|
|
1.1 root 1: /*
2: MS-DOS Player for Win32 console
3:
4: Author : Takeda.Toshiya
5: Date : 2009.11.09-
6: */
7:
8: #include "msdos.h"
9:
1.1.1.28 root 10: void exit_handler();
11:
1.1 root 12: #define fatalerror(...) { \
13: fprintf(stderr, __VA_ARGS__); \
1.1.1.28 root 14: exit_handler(); \
1.1 root 15: exit(1); \
16: }
17: #define error(...) fprintf(stderr, "error: " __VA_ARGS__)
1.1.1.22 root 18: #define nolog(...)
19:
1.1.1.33 root 20: //#define ENABLE_DEBUG_LOG
21: #ifdef ENABLE_DEBUG_LOG
1.1.1.22 root 22: #define EXPORT_DEBUG_TO_FILE
23: #define ENABLE_DEBUG_SYSCALL
24: #define ENABLE_DEBUG_UNIMPLEMENTED
1.1.1.25 root 25: #define ENABLE_DEBUG_IOPORT
1.1.1.22 root 26:
27: #ifdef EXPORT_DEBUG_TO_FILE
1.1.1.33 root 28: FILE* fp_debug_log = NULL;
1.1.1.22 root 29: #else
1.1.1.33 root 30: #define fp_debug_log stderr
1.1.1.22 root 31: #endif
32: #ifdef ENABLE_DEBUG_UNIMPLEMENTED
33: #define unimplemented_10h fatalerror
1.1.1.42 root 34: #define unimplemented_13h fatalerror
1.1.1.25 root 35: #define unimplemented_14h fatalerror
1.1.1.22 root 36: #define unimplemented_15h fatalerror
37: #define unimplemented_16h fatalerror
1.1.1.37 root 38: #define unimplemented_17h fatalerror
1.1.1.22 root 39: #define unimplemented_1ah fatalerror
40: #define unimplemented_21h fatalerror
41: #define unimplemented_2fh fatalerror
1.1.1.24 root 42: #define unimplemented_33h fatalerror
1.1.1.22 root 43: #define unimplemented_67h fatalerror
44: #define unimplemented_xms fatalerror
45: #endif
46: #endif
47: #ifndef unimplemented_10h
48: #define unimplemented_10h nolog
49: #endif
1.1.1.42 root 50: #ifndef unimplemented_13h
51: #define unimplemented_13h nolog
52: #endif
1.1.1.25 root 53: #ifndef unimplemented_14h
54: #define unimplemented_14h nolog
55: #endif
1.1.1.22 root 56: #ifndef unimplemented_15h
57: #define unimplemented_15h nolog
58: #endif
59: #ifndef unimplemented_16h
60: #define unimplemented_16h nolog
61: #endif
1.1.1.37 root 62: #ifndef unimplemented_17h
63: #define unimplemented_17h nolog
64: #endif
1.1.1.22 root 65: #ifndef unimplemented_1ah
66: #define unimplemented_1ah nolog
67: #endif
68: #ifndef unimplemented_21h
69: #define unimplemented_21h nolog
70: #endif
71: #ifndef unimplemented_2fh
72: #define unimplemented_2fh nolog
73: #endif
1.1.1.24 root 74: #ifndef unimplemented_33h
75: #define unimplemented_33h nolog
76: #endif
1.1.1.22 root 77: #ifndef unimplemented_67h
78: #define unimplemented_67h nolog
79: #endif
80: #ifndef unimplemented_xms
81: #define unimplemented_xms nolog
82: #endif
83:
1.1.1.32 root 84: #define array_length(array) (sizeof(array) / sizeof(array[0]))
1.1.1.22 root 85: #define my_strchr(str, chr) (char *)_mbschr((unsigned char *)(str), (unsigned int)(chr))
86: #define my_strtok(tok, del) (char *)_mbstok((unsigned char *)(tok), (const unsigned char *)(del))
87: #define my_strupr(str) (char *)_mbsupr((unsigned char *)(str))
1.1 root 88:
1.1.1.12 root 89: #if defined(__MINGW32__)
90: extern "C" int _CRT_glob = 0;
91: #endif
92:
93: /*
94: kludge for "more-standardized" C++
95: */
96: #if !defined(_MSC_VER)
97: inline int kludge_min(int a, int b) { return (a<b ? a:b); }
98: inline int kludge_max(int a, int b) { return (a>b ? a:b); }
99: #define min(a,b) kludge_min(a,b)
100: #define max(a,b) kludge_max(a,b)
1.1.1.14 root 101: #elif _MSC_VER >= 1400
102: void ignore_invalid_parameters(const wchar_t *, const wchar_t *, const wchar_t *, unsigned int, uintptr_t)
103: {
104: }
105: #endif
106:
1.1.1.35 root 107: #define USE_VRAM_THREAD
1.1.1.14 root 108:
1.1.1.35 root 109: #ifdef USE_VRAM_THREAD
1.1.1.14 root 110: static CRITICAL_SECTION vram_crit_sect;
111: #else
112: #define vram_flush()
1.1.1.12 root 113: #endif
114:
1.1.1.14 root 115: #define VIDEO_REGEN *(UINT16 *)(mem + 0x44c)
116: #define SCR_BUF(y,x) scr_buf[(y) * scr_buf_size.X + (x)]
117:
118: void change_console_size(int width, int height);
119: void clear_scr_buffer(WORD attr);
120:
121: static UINT32 vram_length_char = 0, vram_length_attr = 0;
122: static UINT32 vram_last_length_char = 0, vram_last_length_attr = 0;
123: static COORD vram_coord_char, vram_coord_attr;
124:
1.1.1.28 root 125: char temp_file_path[MAX_PATH];
126: bool temp_file_created = false;
127:
1.1.1.14 root 128: bool ignore_illegal_insn = false;
129: bool limit_max_memory = false;
130: bool no_windows = false;
131: bool stay_busy = false;
1.1.1.19 root 132: bool support_ems = false;
133: #ifdef SUPPORT_XMS
134: bool support_xms = false;
135: #endif
1.1.1.29 root 136: int sio_port_number[4] = {0, 0, 0, 0};
1.1.1.14 root 137:
1.1.1.54 root 138: BOOL is_xp_64_or_later;
1.1.1.14 root 139: BOOL is_vista_or_later;
140:
1.1.1.35 root 141: #define UPDATE_OPS 16384
142: #define REQUEST_HARDWRE_UPDATE() { \
143: update_ops = UPDATE_OPS - 1; \
144: }
145: UINT32 update_ops = 0;
146: UINT32 idle_ops = 0;
147:
1.1.1.54 root 148: inline BOOL is_sse2_ready()
149: {
150: static int result = -1;
151: int cpu_info[4];
152:
153: if(result == -1) {
154: result = 0;
155: __cpuid(cpu_info, 0);
156: if(cpu_info[0] >= 1){
157: __cpuid(cpu_info, 1);
158: if(cpu_info[3] & (1 << 26)) {
159: result = 1;
160: }
161: }
162: }
163: return(result == 1);
164: }
165:
1.1.1.14 root 166: inline void maybe_idle()
167: {
168: // if it appears to be in a tight loop, assume waiting for input
169: // allow for one updated video character, for a spinning cursor
1.1.1.35 root 170: if(!stay_busy && idle_ops < 1024 && vram_length_char <= 1 && vram_length_attr <= 1) {
1.1.1.54 root 171: if(is_sse2_ready()) {
172: _mm_pause(); // SSE2 pause
173: } else if(is_xp_64_or_later) {
174: Sleep(0); // switch to other thread that is ready to run, without checking priority
175: } else {
176: Sleep(1);
177: REQUEST_HARDWRE_UPDATE();
178: }
1.1.1.14 root 179: }
1.1.1.35 root 180: idle_ops = 0;
1.1.1.14 root 181: }
1.1.1.12 root 182:
1.1 root 183: /* ----------------------------------------------------------------------------
1.1.1.3 root 184: MAME i86/i386
1.1 root 185: ---------------------------------------------------------------------------- */
186:
1.1.1.10 root 187: #ifndef __BIG_ENDIAN__
1.1 root 188: #define LSB_FIRST
1.1.1.10 root 189: #endif
1.1 root 190:
191: #ifndef INLINE
192: #define INLINE inline
193: #endif
194: #define U64(v) UINT64(v)
195:
196: //#define logerror(...) fprintf(stderr, __VA_ARGS__)
197: #define logerror(...)
198: //#define popmessage(...) fprintf(stderr, __VA_ARGS__)
199: #define popmessage(...)
200:
201: /*****************************************************************************/
1.1.1.10 root 202: /* src/emu/devcpu.h */
203:
204: // CPU interface functions
205: #define CPU_INIT_NAME(name) cpu_init_##name
206: #define CPU_INIT(name) void CPU_INIT_NAME(name)()
207: #define CPU_INIT_CALL(name) CPU_INIT_NAME(name)()
208:
209: #define CPU_RESET_NAME(name) cpu_reset_##name
210: #define CPU_RESET(name) void CPU_RESET_NAME(name)()
211: #define CPU_RESET_CALL(name) CPU_RESET_NAME(name)()
212:
213: #define CPU_EXECUTE_NAME(name) cpu_execute_##name
214: #define CPU_EXECUTE(name) void CPU_EXECUTE_NAME(name)()
215: #define CPU_EXECUTE_CALL(name) CPU_EXECUTE_NAME(name)()
216:
217: #define CPU_TRANSLATE_NAME(name) cpu_translate_##name
218: #define CPU_TRANSLATE(name) int CPU_TRANSLATE_NAME(name)(address_spacenum space, int intention, offs_t *address)
219: #define CPU_TRANSLATE_CALL(name) CPU_TRANSLATE_NAME(name)(space, intention, address)
220:
221: #define CPU_DISASSEMBLE_NAME(name) cpu_disassemble_##name
222: #define CPU_DISASSEMBLE(name) int CPU_DISASSEMBLE_NAME(name)(char *buffer, offs_t eip, const UINT8 *oprom)
223: #define CPU_DISASSEMBLE_CALL(name) CPU_DISASSEMBLE_NAME(name)(buffer, eip, oprom)
224:
1.1.1.14 root 225: #define CPU_MODEL_STR(name) #name
226: #define CPU_MODEL_NAME(name) CPU_MODEL_STR(name)
227:
1.1.1.10 root 228: /*****************************************************************************/
229: /* src/emu/didisasm.h */
230:
231: // Disassembler constants
232: const UINT32 DASMFLAG_SUPPORTED = 0x80000000; // are disassembly flags supported?
233: const UINT32 DASMFLAG_STEP_OUT = 0x40000000; // this instruction should be the end of a step out sequence
234: const UINT32 DASMFLAG_STEP_OVER = 0x20000000; // this instruction should be stepped over by setting a breakpoint afterwards
235: const UINT32 DASMFLAG_OVERINSTMASK = 0x18000000; // number of extra instructions to skip when stepping over
236: const UINT32 DASMFLAG_OVERINSTSHIFT = 27; // bits to shift after masking to get the value
237: const UINT32 DASMFLAG_LENGTHMASK = 0x0000ffff; // the low 16-bits contain the actual length
238:
239: /*****************************************************************************/
1.1 root 240: /* src/emu/diexec.h */
241:
242: // I/O line states
243: enum line_state
244: {
245: CLEAR_LINE = 0, // clear (a fired or held) line
246: ASSERT_LINE, // assert an interrupt immediately
247: HOLD_LINE, // hold interrupt line until acknowledged
248: PULSE_LINE // pulse interrupt line instantaneously (only for NMI, RESET)
249: };
250:
251: // I/O line definitions
252: enum
253: {
254: INPUT_LINE_IRQ = 0,
255: INPUT_LINE_NMI
256: };
257:
258: /*****************************************************************************/
1.1.1.10 root 259: /* src/emu/dimemory.h */
1.1 root 260:
1.1.1.10 root 261: // Translation intentions
262: const int TRANSLATE_TYPE_MASK = 0x03; // read write or fetch
263: const int TRANSLATE_USER_MASK = 0x04; // user mode or fully privileged
264: const int TRANSLATE_DEBUG_MASK = 0x08; // debug mode (no side effects)
265:
266: const int TRANSLATE_READ = 0; // translate for read
267: const int TRANSLATE_WRITE = 1; // translate for write
268: const int TRANSLATE_FETCH = 2; // translate for instruction fetch
269: const int TRANSLATE_READ_USER = (TRANSLATE_READ | TRANSLATE_USER_MASK);
270: const int TRANSLATE_WRITE_USER = (TRANSLATE_WRITE | TRANSLATE_USER_MASK);
271: const int TRANSLATE_FETCH_USER = (TRANSLATE_FETCH | TRANSLATE_USER_MASK);
272: const int TRANSLATE_READ_DEBUG = (TRANSLATE_READ | TRANSLATE_DEBUG_MASK);
273: const int TRANSLATE_WRITE_DEBUG = (TRANSLATE_WRITE | TRANSLATE_DEBUG_MASK);
274: const int TRANSLATE_FETCH_DEBUG = (TRANSLATE_FETCH | TRANSLATE_DEBUG_MASK);
1.1 root 275:
1.1.1.10 root 276: /*****************************************************************************/
277: /* src/emu/emucore.h */
1.1 root 278:
1.1.1.10 root 279: // constants for expression endianness
280: enum endianness_t
281: {
282: ENDIANNESS_LITTLE,
283: ENDIANNESS_BIG
284: };
1.1 root 285:
1.1.1.10 root 286: // declare native endianness to be one or the other
287: #ifdef LSB_FIRST
288: const endianness_t ENDIANNESS_NATIVE = ENDIANNESS_LITTLE;
289: #else
290: const endianness_t ENDIANNESS_NATIVE = ENDIANNESS_BIG;
291: #endif
292:
293: // endian-based value: first value is if 'endian' is little-endian, second is if 'endian' is big-endian
294: #define ENDIAN_VALUE_LE_BE(endian,leval,beval) (((endian) == ENDIANNESS_LITTLE) ? (leval) : (beval))
295:
296: // endian-based value: first value is if native endianness is little-endian, second is if native is big-endian
297: #define NATIVE_ENDIAN_VALUE_LE_BE(leval,beval) ENDIAN_VALUE_LE_BE(ENDIANNESS_NATIVE, leval, beval)
298:
299: // endian-based value: first value is if 'endian' matches native, second is if 'endian' doesn't match native
300: #define ENDIAN_VALUE_NE_NNE(endian,leval,beval) (((endian) == ENDIANNESS_NATIVE) ? (neval) : (nneval))
1.1 root 301:
302: /*****************************************************************************/
303: /* src/emu/memory.h */
304:
1.1.1.10 root 305: // address spaces
306: enum address_spacenum
307: {
308: AS_0, // first address space
309: AS_1, // second address space
310: AS_2, // third address space
311: AS_3, // fourth address space
312: ADDRESS_SPACES, // maximum number of address spaces
313:
314: // alternate address space names for common use
315: AS_PROGRAM = AS_0, // program address space
316: AS_DATA = AS_1, // data address space
317: AS_IO = AS_2 // I/O address space
318: };
319:
1.1 root 320: // offsets and addresses are 32-bit (for now...)
1.1.1.30 root 321: //typedef UINT32 offs_t;
1.1 root 322:
323: // read accessors
324: UINT8 read_byte(offs_t byteaddress)
1.1.1.33 root 325: #ifdef USE_DEBUGGER
326: {
327: if(now_debugging) {
328: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
329: if(rd_break_point.table[i].status == 1) {
330: if(byteaddress == rd_break_point.table[i].addr) {
331: rd_break_point.hit = i + 1;
332: now_suspended = true;
333: break;
334: }
335: }
336: }
337: }
338: return(debugger_read_byte(byteaddress));
339: }
340: UINT8 debugger_read_byte(offs_t byteaddress)
341: #endif
1.1 root 342: {
1.1.1.4 root 343: #if defined(HAS_I386)
1.1 root 344: if(byteaddress < MAX_MEM) {
345: return mem[byteaddress];
1.1.1.3 root 346: // } else if((byteaddress & 0xfffffff0) == 0xfffffff0) {
347: // return read_byte(byteaddress & 0xfffff);
1.1 root 348: }
349: return 0;
1.1.1.4 root 350: #else
351: return mem[byteaddress];
352: #endif
1.1 root 353: }
354:
355: UINT16 read_word(offs_t byteaddress)
1.1.1.33 root 356: #ifdef USE_DEBUGGER
357: {
358: if(now_debugging) {
359: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
360: if(rd_break_point.table[i].status == 1) {
361: if(byteaddress >= rd_break_point.table[i].addr && byteaddress < rd_break_point.table[i].addr + 2) {
362: rd_break_point.hit = i + 1;
363: now_suspended = true;
364: break;
365: }
366: }
367: }
368: }
369: return(debugger_read_word(byteaddress));
370: }
371: UINT16 debugger_read_word(offs_t byteaddress)
372: #endif
1.1 root 373: {
1.1.1.14 root 374: if(byteaddress == 0x41c) {
375: // pointer to first free slot in keyboard buffer
1.1.1.35 root 376: if(key_buf_char != NULL && key_buf_scan != NULL) {
377: #ifdef USE_SERVICE_THREAD
378: EnterCriticalSection(&key_buf_crit_sect);
379: #endif
1.1.1.55 root 380: bool empty = pcbios_is_key_buffer_empty();
1.1.1.35 root 381: #ifdef USE_SERVICE_THREAD
382: LeaveCriticalSection(&key_buf_crit_sect);
383: #endif
1.1.1.51 root 384: if(empty) maybe_idle();
1.1.1.14 root 385: }
386: }
1.1.1.4 root 387: #if defined(HAS_I386)
1.1 root 388: if(byteaddress < MAX_MEM - 1) {
389: return *(UINT16 *)(mem + byteaddress);
1.1.1.3 root 390: // } else if((byteaddress & 0xfffffff0) == 0xfffffff0) {
391: // return read_word(byteaddress & 0xfffff);
1.1 root 392: }
393: return 0;
1.1.1.4 root 394: #else
395: return *(UINT16 *)(mem + byteaddress);
396: #endif
1.1 root 397: }
398:
399: UINT32 read_dword(offs_t byteaddress)
1.1.1.33 root 400: #ifdef USE_DEBUGGER
401: {
402: if(now_debugging) {
403: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
404: if(rd_break_point.table[i].status == 1) {
405: if(byteaddress >= rd_break_point.table[i].addr && byteaddress < rd_break_point.table[i].addr + 4) {
406: rd_break_point.hit = i + 1;
407: now_suspended = true;
408: break;
409: }
410: }
411: }
412: }
413: return(debugger_read_dword(byteaddress));
414: }
415: UINT32 debugger_read_dword(offs_t byteaddress)
416: #endif
1.1 root 417: {
1.1.1.4 root 418: #if defined(HAS_I386)
1.1 root 419: if(byteaddress < MAX_MEM - 3) {
420: return *(UINT32 *)(mem + byteaddress);
1.1.1.3 root 421: // } else if((byteaddress & 0xfffffff0) == 0xfffffff0) {
422: // return read_dword(byteaddress & 0xfffff);
1.1 root 423: }
424: return 0;
1.1.1.4 root 425: #else
426: return *(UINT32 *)(mem + byteaddress);
427: #endif
1.1 root 428: }
429:
430: // write accessors
1.1.1.35 root 431: #ifdef USE_VRAM_THREAD
1.1.1.14 root 432: void vram_flush_char()
433: {
434: if(vram_length_char != 0) {
435: DWORD num;
1.1.1.23 root 436: WriteConsoleOutputCharacter(GetStdHandle(STD_OUTPUT_HANDLE), scr_char, vram_length_char, vram_coord_char, &num);
1.1.1.14 root 437: vram_length_char = vram_last_length_char = 0;
438: }
439: }
440:
441: void vram_flush_attr()
442: {
443: if(vram_length_attr != 0) {
444: DWORD num;
1.1.1.23 root 445: WriteConsoleOutputAttribute(GetStdHandle(STD_OUTPUT_HANDLE), scr_attr, vram_length_attr, vram_coord_attr, &num);
1.1.1.14 root 446: vram_length_attr = vram_last_length_attr = 0;
447: }
448: }
449:
450: void vram_flush()
451: {
452: if(vram_length_char != 0 || vram_length_attr != 0) {
453: EnterCriticalSection(&vram_crit_sect);
454: vram_flush_char();
455: vram_flush_attr();
456: LeaveCriticalSection(&vram_crit_sect);
457: }
458: }
459: #endif
460:
461: void write_text_vram_char(offs_t offset, UINT8 data)
1.1.1.8 root 462: {
1.1.1.35 root 463: #ifdef USE_VRAM_THREAD
1.1.1.14 root 464: static offs_t first_offset_char, last_offset_char;
465:
466: if(vram_length_char != 0) {
467: if(offset <= last_offset_char && offset >= first_offset_char) {
468: scr_char[(offset - first_offset_char) >> 1] = data;
469: return;
470: }
471: if(offset != last_offset_char + 2) {
472: vram_flush_char();
473: }
474: }
475: if(vram_length_char == 0) {
476: first_offset_char = offset;
477: vram_coord_char.X = (offset >> 1) % scr_width;
478: vram_coord_char.Y = (offset >> 1) / scr_width + scr_top;
479: }
480: scr_char[vram_length_char++] = data;
481: last_offset_char = offset;
482: #else
1.1.1.8 root 483: COORD co;
484: DWORD num;
485:
1.1.1.14 root 486: co.X = (offset >> 1) % scr_width;
487: co.Y = (offset >> 1) / scr_width;
488: scr_char[0] = data;
1.1.1.23 root 489: WriteConsoleOutputCharacter(GetStdHandle(STD_OUTPUT_HANDLE), scr_char, 1, co, &num);
1.1.1.14 root 490: #endif
491: }
492:
493: void write_text_vram_attr(offs_t offset, UINT8 data)
494: {
1.1.1.35 root 495: #ifdef USE_VRAM_THREAD
1.1.1.14 root 496: static offs_t first_offset_attr, last_offset_attr;
497:
498: if(vram_length_attr != 0) {
499: if(offset <= last_offset_attr && offset >= first_offset_attr) {
500: scr_attr[(offset - first_offset_attr) >> 1] = data;
501: return;
502: }
503: if(offset != last_offset_attr + 2) {
504: vram_flush_attr();
505: }
506: }
507: if(vram_length_attr == 0) {
508: first_offset_attr = offset;
509: vram_coord_attr.X = (offset >> 1) % scr_width;
510: vram_coord_attr.Y = (offset >> 1) / scr_width + scr_top;
511: }
512: scr_attr[vram_length_attr++] = data;
513: last_offset_attr = offset;
514: #else
515: COORD co;
516: DWORD num;
1.1.1.8 root 517:
1.1.1.14 root 518: co.X = (offset >> 1) % scr_width;
519: co.Y = (offset >> 1) / scr_width;
520: scr_attr[0] = data;
1.1.1.23 root 521: WriteConsoleOutputAttribute(GetStdHandle(STD_OUTPUT_HANDLE), scr_attr, 1, co, &num);
1.1.1.14 root 522: #endif
523: }
524:
525: void write_text_vram_byte(offs_t offset, UINT8 data)
526: {
1.1.1.35 root 527: #ifdef USE_VRAM_THREAD
1.1.1.14 root 528: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 529: #endif
1.1.1.8 root 530: if(offset & 1) {
1.1.1.14 root 531: write_text_vram_attr(offset, data);
1.1.1.8 root 532: } else {
1.1.1.14 root 533: write_text_vram_char(offset, data);
1.1.1.8 root 534: }
1.1.1.35 root 535: #ifdef USE_VRAM_THREAD
1.1.1.14 root 536: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 537: #endif
1.1.1.8 root 538: }
539:
540: void write_text_vram_word(offs_t offset, UINT16 data)
541: {
1.1.1.35 root 542: #ifdef USE_VRAM_THREAD
1.1.1.14 root 543: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 544: #endif
1.1.1.8 root 545: if(offset & 1) {
1.1.1.14 root 546: write_text_vram_attr(offset , (data ) & 0xff);
547: write_text_vram_char(offset + 1, (data >> 8) & 0xff);
1.1.1.8 root 548: } else {
1.1.1.14 root 549: write_text_vram_char(offset , (data ) & 0xff);
550: write_text_vram_attr(offset + 1, (data >> 8) & 0xff);
1.1.1.8 root 551: }
1.1.1.35 root 552: #ifdef USE_VRAM_THREAD
1.1.1.14 root 553: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 554: #endif
1.1.1.8 root 555: }
556:
557: void write_text_vram_dword(offs_t offset, UINT32 data)
558: {
1.1.1.35 root 559: #ifdef USE_VRAM_THREAD
1.1.1.14 root 560: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 561: #endif
1.1.1.8 root 562: if(offset & 1) {
1.1.1.14 root 563: write_text_vram_attr(offset , (data ) & 0xff);
564: write_text_vram_char(offset + 1, (data >> 8) & 0xff);
565: write_text_vram_attr(offset + 2, (data >> 16) & 0xff);
566: write_text_vram_char(offset + 3, (data >> 24) & 0xff);
567: } else {
568: write_text_vram_char(offset , (data ) & 0xff);
569: write_text_vram_attr(offset + 1, (data >> 8) & 0xff);
570: write_text_vram_char(offset + 2, (data >> 16) & 0xff);
571: write_text_vram_attr(offset + 3, (data >> 24) & 0xff);
1.1.1.8 root 572: }
1.1.1.35 root 573: #ifdef USE_VRAM_THREAD
1.1.1.14 root 574: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 575: #endif
1.1.1.8 root 576: }
577:
1.1 root 578: void write_byte(offs_t byteaddress, UINT8 data)
1.1.1.33 root 579: #ifdef USE_DEBUGGER
580: {
581: if(now_debugging) {
582: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
583: if(wr_break_point.table[i].status == 1) {
584: if(byteaddress == wr_break_point.table[i].addr) {
585: wr_break_point.hit = i + 1;
586: now_suspended = true;
587: break;
588: }
589: }
590: }
591: }
592: debugger_write_byte(byteaddress, data);
593: }
594: void debugger_write_byte(offs_t byteaddress, UINT8 data)
595: #endif
1.1 root 596: {
1.1.1.8 root 597: if(byteaddress < MEMORY_END) {
1.1.1.3 root 598: mem[byteaddress] = data;
1.1.1.8 root 599: } else if(byteaddress >= text_vram_top_address && byteaddress < text_vram_end_address) {
1.1.1.14 root 600: if(!restore_console_on_exit) {
601: change_console_size(scr_width, scr_height);
1.1.1.12 root 602: }
1.1.1.8 root 603: write_text_vram_byte(byteaddress - text_vram_top_address, data);
604: mem[byteaddress] = data;
605: } else if(byteaddress >= shadow_buffer_top_address && byteaddress < shadow_buffer_end_address) {
606: if(int_10h_feh_called && !int_10h_ffh_called) {
607: write_text_vram_byte(byteaddress - shadow_buffer_top_address, data);
1.1 root 608: }
609: mem[byteaddress] = data;
1.1.1.4 root 610: #if defined(HAS_I386)
1.1.1.3 root 611: } else if(byteaddress < MAX_MEM) {
1.1.1.4 root 612: #else
613: } else {
614: #endif
1.1.1.3 root 615: mem[byteaddress] = data;
1.1 root 616: }
617: }
618:
619: void write_word(offs_t byteaddress, UINT16 data)
1.1.1.33 root 620: #ifdef USE_DEBUGGER
621: {
622: if(now_debugging) {
623: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
624: if(wr_break_point.table[i].status == 1) {
625: if(byteaddress >= wr_break_point.table[i].addr && byteaddress < wr_break_point.table[i].addr + 2) {
626: wr_break_point.hit = i + 1;
627: now_suspended = true;
628: break;
629: }
630: }
631: }
632: }
633: debugger_write_word(byteaddress, data);
634: }
635: void debugger_write_word(offs_t byteaddress, UINT16 data)
636: #endif
1.1 root 637: {
1.1.1.8 root 638: if(byteaddress < MEMORY_END) {
1.1.1.51 root 639: if(byteaddress == cursor_position_address) {
640: if(*(UINT16 *)(mem + byteaddress) != data) {
641: COORD co;
642: co.X = data & 0xff;
643: co.Y = (data >> 8) + scr_top;
644: SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), co);
645: }
1.1.1.14 root 646: }
1.1.1.3 root 647: *(UINT16 *)(mem + byteaddress) = data;
1.1.1.8 root 648: } else if(byteaddress >= text_vram_top_address && byteaddress < text_vram_end_address) {
1.1.1.14 root 649: if(!restore_console_on_exit) {
650: change_console_size(scr_width, scr_height);
1.1.1.12 root 651: }
1.1.1.8 root 652: write_text_vram_word(byteaddress - text_vram_top_address, data);
653: *(UINT16 *)(mem + byteaddress) = data;
654: } else if(byteaddress >= shadow_buffer_top_address && byteaddress < shadow_buffer_end_address) {
655: if(int_10h_feh_called && !int_10h_ffh_called) {
656: write_text_vram_word(byteaddress - shadow_buffer_top_address, data);
1.1 root 657: }
658: *(UINT16 *)(mem + byteaddress) = data;
1.1.1.4 root 659: #if defined(HAS_I386)
1.1.1.3 root 660: } else if(byteaddress < MAX_MEM - 1) {
1.1.1.4 root 661: #else
662: } else {
663: #endif
1.1.1.3 root 664: *(UINT16 *)(mem + byteaddress) = data;
1.1 root 665: }
666: }
667:
668: void write_dword(offs_t byteaddress, UINT32 data)
1.1.1.33 root 669: #ifdef USE_DEBUGGER
670: {
671: if(now_debugging) {
672: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
673: if(wr_break_point.table[i].status == 1) {
674: if(byteaddress >= wr_break_point.table[i].addr && byteaddress < wr_break_point.table[i].addr + 4) {
675: wr_break_point.hit = i + 1;
676: now_suspended = true;
677: break;
678: }
679: }
680: }
681: }
682: debugger_write_dword(byteaddress, data);
683: }
684: void debugger_write_dword(offs_t byteaddress, UINT32 data)
685: #endif
1.1 root 686: {
1.1.1.8 root 687: if(byteaddress < MEMORY_END) {
1.1.1.3 root 688: *(UINT32 *)(mem + byteaddress) = data;
1.1.1.8 root 689: } else if(byteaddress >= text_vram_top_address && byteaddress < text_vram_end_address) {
1.1.1.14 root 690: if(!restore_console_on_exit) {
691: change_console_size(scr_width, scr_height);
1.1.1.12 root 692: }
1.1.1.8 root 693: write_text_vram_dword(byteaddress - text_vram_top_address, data);
694: *(UINT32 *)(mem + byteaddress) = data;
695: } else if(byteaddress >= shadow_buffer_top_address && byteaddress < shadow_buffer_end_address) {
696: if(int_10h_feh_called && !int_10h_ffh_called) {
697: write_text_vram_dword(byteaddress - shadow_buffer_top_address, data);
1.1 root 698: }
699: *(UINT32 *)(mem + byteaddress) = data;
1.1.1.4 root 700: #if defined(HAS_I386)
1.1.1.3 root 701: } else if(byteaddress < MAX_MEM - 3) {
1.1.1.4 root 702: #else
703: } else {
704: #endif
1.1.1.3 root 705: *(UINT32 *)(mem + byteaddress) = data;
1.1 root 706: }
707: }
708:
709: #define read_decrypted_byte read_byte
710: #define read_decrypted_word read_word
711: #define read_decrypted_dword read_dword
712:
1.1.1.3 root 713: #define read_raw_byte read_byte
714: #define write_raw_byte write_byte
715:
716: #define read_word_unaligned read_word
717: #define write_word_unaligned write_word
718:
719: #define read_io_word_unaligned read_io_word
720: #define write_io_word_unaligned write_io_word
721:
1.1 root 722: UINT8 read_io_byte(offs_t byteaddress);
723: UINT16 read_io_word(offs_t byteaddress);
724: UINT32 read_io_dword(offs_t byteaddress);
725:
726: void write_io_byte(offs_t byteaddress, UINT8 data);
727: void write_io_word(offs_t byteaddress, UINT16 data);
728: void write_io_dword(offs_t byteaddress, UINT32 data);
729:
730: /*****************************************************************************/
731: /* src/osd/osdcomm.h */
732:
733: /* Highly useful macro for compile-time knowledge of an array size */
734: #define ARRAY_LENGTH(x) (sizeof(x) / sizeof(x[0]))
735:
1.1.1.54 root 736: // flag to exit MS-DOS Player
737: // this is set when the first process is terminated and jump to FFFF:0000 HALT
738: int m_exit = 0;
739:
1.1.1.3 root 740: #if defined(HAS_I386)
1.1.1.10 root 741: static CPU_TRANSLATE(i386);
742: #include "mame/lib/softfloat/softfloat.c"
743: #include "mame/emu/cpu/i386/i386.c"
1.1.1.12 root 744: #include "mame/emu/cpu/vtlb.c"
1.1.1.3 root 745: #elif defined(HAS_I286)
1.1.1.10 root 746: #include "mame/emu/cpu/i86/i286.c"
1.1.1.3 root 747: #else
1.1.1.10 root 748: #include "mame/emu/cpu/i86/i86.c"
1.1.1.3 root 749: #endif
1.1.1.33 root 750: #ifdef USE_DEBUGGER
1.1.1.10 root 751: #include "mame/emu/cpu/i386/i386dasm.c"
1.1 root 752: #endif
753:
1.1.1.3 root 754: #if defined(HAS_I386)
755: #define SREG(x) m_sreg[x].selector
756: #define SREG_BASE(x) m_sreg[x].base
757: int cpu_type, cpu_step;
758: #else
759: #define REG8(x) m_regs.b[x]
760: #define REG16(x) m_regs.w[x]
761: #define SREG(x) m_sregs[x]
762: #define SREG_BASE(x) m_base[x]
1.1.1.33 root 763: #define m_eip (m_pc - m_base[CS])
1.1.1.3 root 764: #define m_CF m_CarryVal
765: #define m_a20_mask AMASK
766: #define i386_load_segment_descriptor(x) m_base[x] = SegBase(x)
767: #if defined(HAS_I286)
768: #define i386_set_a20_line(x) i80286_set_a20_line(x)
769: #else
770: #define i386_set_a20_line(x)
771: #endif
772: #define i386_set_irq_line(x, y) set_irq_line(x, y)
773: #endif
1.1 root 774:
775: void i386_jmp_far(UINT16 selector, UINT32 address)
776: {
1.1.1.3 root 777: #if defined(HAS_I386)
1.1 root 778: if(PROTECTED_MODE && !V8086_MODE) {
1.1.1.3 root 779: i386_protected_mode_jump(selector, address, 1, m_operand_size);
1.1 root 780: } else {
1.1.1.3 root 781: SREG(CS) = selector;
782: m_performed_intersegment_jump = 1;
783: i386_load_segment_descriptor(CS);
784: m_eip = address;
785: CHANGE_PC(m_eip);
1.1 root 786: }
1.1.1.3 root 787: #elif defined(HAS_I286)
788: i80286_code_descriptor(selector, address, 1);
789: #else
790: SREG(CS) = selector;
791: i386_load_segment_descriptor(CS);
792: m_pc = (SREG_BASE(CS) + address) & m_a20_mask;
793: #endif
1.1 root 794: }
795:
1.1.1.24 root 796: void i386_call_far(UINT16 selector, UINT32 address)
797: {
798: #if defined(HAS_I386)
799: if(PROTECTED_MODE && !V8086_MODE) {
800: i386_protected_mode_call(selector, address, 1, m_operand_size);
801: } else {
802: PUSH16(SREG(CS));
803: PUSH16(m_eip);
804: SREG(CS) = selector;
805: m_performed_intersegment_jump = 1;
806: i386_load_segment_descriptor(CS);
807: m_eip = address;
808: CHANGE_PC(m_eip);
809: }
810: #else
811: UINT16 ip = m_pc - SREG_BASE(CS);
812: UINT16 cs = SREG(CS);
813: #if defined(HAS_I286)
814: i80286_code_descriptor(selector, address, 2);
815: #else
816: SREG(CS) = selector;
817: i386_load_segment_descriptor(CS);
818: m_pc = (SREG_BASE(CS) + address) & m_a20_mask;
819: #endif
820: PUSH(cs);
821: PUSH(ip);
822: CHANGE_PC(m_pc);
823: #endif
824: }
1.1.1.49 root 825:
826: void i386_push16(UINT16 value)
827: {
828: #if defined(HAS_I386)
829: PUSH16(value);
830: #else
831: PUSH(value);
1.1.1.35 root 832: #endif
1.1.1.49 root 833: }
834:
835: UINT16 i386_pop16()
836: {
837: #if defined(HAS_I386)
838: return POP16();
839: #else
840: UINT16 value;
841: POP(value);
842: return value;
843: #endif
844: }
1.1.1.24 root 845:
1.1.1.29 root 846: UINT16 i386_read_stack()
847: {
848: #if defined(HAS_I386)
849: UINT32 ea, new_esp;
850: if( STACK_32BIT ) {
851: new_esp = REG32(ESP) + 2;
852: ea = i386_translate(SS, new_esp - 2, 0);
853: } else {
854: new_esp = REG16(SP) + 2;
855: ea = i386_translate(SS, (new_esp - 2) & 0xffff, 0);
856: }
857: return READ16(ea);
858: #else
859: UINT16 sp = m_regs.w[SP] + 2;
860: return ReadWord(((m_base[SS] + ((sp - 2) & 0xffff)) & AMASK));
861: #endif
862: }
863:
1.1.1.53 root 864: void i386_write_stack(UINT16 value)
865: {
866: #if defined(HAS_I386)
867: UINT32 ea, new_esp;
868: if( STACK_32BIT ) {
869: new_esp = REG32(ESP) + 2;
870: ea = i386_translate(SS, new_esp - 2, 0);
871: } else {
872: new_esp = REG16(SP) + 2;
873: ea = i386_translate(SS, (new_esp - 2) & 0xffff, 0);
874: }
875: WRITE16(ea, value);
876: #else
877: UINT16 sp = m_regs.w[SP] + 2;
878: WriteWord(((m_base[SS] + ((sp - 2) & 0xffff)) & AMASK), value);
879: #endif
880: }
881:
1.1 root 882: /* ----------------------------------------------------------------------------
1.1.1.33 root 883: debugger
884: ---------------------------------------------------------------------------- */
885:
886: #ifdef USE_DEBUGGER
887: #define TELNET_BLUE 0x0004 // text color contains blue.
888: #define TELNET_GREEN 0x0002 // text color contains green.
889: #define TELNET_RED 0x0001 // text color contains red.
890: #define TELNET_INTENSITY 0x0008 // text color is intensified.
891:
892: int svr_socket = 0;
893: int cli_socket = 0;
894:
1.1.1.55 root 895: process_t *msdos_process_info_get(UINT16 psp_seg, bool show_error);
1.1.1.33 root 896:
897: void debugger_init()
898: {
899: now_debugging = false;
900: now_going = false;
901: now_suspended = false;
902: force_suspend = false;
903:
904: memset(&break_point, 0, sizeof(break_point_t));
905: memset(&rd_break_point, 0, sizeof(break_point_t));
906: memset(&wr_break_point, 0, sizeof(break_point_t));
907: memset(&in_break_point, 0, sizeof(break_point_t));
908: memset(&out_break_point, 0, sizeof(break_point_t));
909: memset(&int_break_point, 0, sizeof(int_break_point_t));
910: }
911:
1.1.1.45 root 912: void telnet_send(const char *string)
1.1.1.33 root 913: {
914: char buffer[8192], *ptr;
915: strcpy(buffer, string);
916: while((ptr = strstr(buffer, "\n")) != NULL) {
917: char tmp[8192];
918: *ptr = '\0';
919: sprintf(tmp, "%s\033E%s", buffer, ptr + 1);
920: strcpy(buffer, tmp);
921: }
922:
923: int len = strlen(buffer), res;
924: ptr = buffer;
925: while(len > 0) {
926: if((res = send(cli_socket, ptr, len, 0)) > 0) {
927: len -= res;
928: ptr += res;
929: }
930: }
931: }
932:
933: void telnet_command(const char *format, ...)
934: {
935: char buffer[1024];
936: va_list ap;
937: va_start(ap, format);
938: vsprintf(buffer, format, ap);
939: va_end(ap);
940:
941: telnet_send(buffer);
942: }
943:
944: void telnet_printf(const char *format, ...)
945: {
946: char buffer[1024];
947: va_list ap;
948: va_start(ap, format);
949: vsprintf(buffer, format, ap);
950: va_end(ap);
951:
952: if(fp_debugger != NULL) {
953: fprintf(fp_debugger, "%s", buffer);
954: }
955: telnet_send(buffer);
956: }
957:
958: bool telnet_gets(char *str, int n)
959: {
960: char buffer[1024];
961: int ptr = 0;
962:
963: telnet_command("\033[12l"); // local echo on
964: telnet_command("\033[2l"); // key unlock
965:
1.1.1.54 root 966: while(!m_exit) {
1.1.1.33 root 967: int len = recv(cli_socket, buffer, sizeof(buffer), 0);
968:
969: if(len > 0 && buffer[0] != 0xff) {
970: for(int i = 0; i < len; i++) {
971: if(buffer[i] == 0x0d || buffer[i] == 0x0a) {
972: str[ptr] = 0;
973: telnet_command("\033[2h"); // key lock
974: telnet_command("\033[12h"); // local echo off
1.1.1.54 root 975: return(!m_exit);
1.1.1.33 root 976: } else if(buffer[i] == 0x08) {
977: if(ptr > 0) {
978: telnet_command("\033[0K"); // erase from cursor position
979: ptr--;
980: } else {
981: telnet_command("\033[1C"); // move cursor forward
982: }
983: } else if(ptr < n - 1) {
1.1.1.37 root 984: if(buffer[i] >= 0x20 && buffer[i] <= 0x7e) {
1.1.1.33 root 985: str[ptr++] = buffer[i];
986: }
987: } else {
988: telnet_command("\033[1D\033[0K"); // move cursor backward and erase from cursor position
989: }
990: }
991: } else if(len == -1) {
992: if(WSAGetLastError() != WSAEWOULDBLOCK) {
993: return(false);
994: }
995: } else if(len == 0) {
996: return(false);
997: }
998: Sleep(10);
999: }
1.1.1.54 root 1000: return(!m_exit);
1.1.1.33 root 1001: }
1002:
1003: bool telnet_kbhit()
1004: {
1005: char buffer[1024];
1006:
1.1.1.54 root 1007: if(!m_exit) {
1.1.1.33 root 1008: int len = recv(cli_socket, buffer, sizeof(buffer), 0);
1009:
1010: if(len > 0) {
1011: for(int i = 0; i < len; i++) {
1012: if(buffer[i] == 0x0d || buffer[i] == 0x0a) {
1013: return(true);
1014: }
1015: }
1016: } else if(len == 0) {
1017: return(true); // disconnected
1018: }
1019: }
1020: return(false);
1021: }
1022:
1023: bool telnet_disconnected()
1024: {
1025: char buffer[1024];
1026: int len = recv(cli_socket, buffer, sizeof(buffer), 0);
1027:
1028: if(len == 0) {
1029: return(true);
1030: } else if(len == -1) {
1031: if(WSAGetLastError() != WSAEWOULDBLOCK) {
1032: return(true);
1033: }
1034: }
1035: return(false);
1036: }
1037:
1038: void telnet_set_color(int color)
1039: {
1040: telnet_command("\033[%dm\033[3%dm", (color >> 3) & 1, (color & 7));
1041: }
1042:
1043: int debugger_dasm(char *buffer, UINT32 cs, UINT32 eip)
1044: {
1045: // UINT8 *oprom = mem + (((cs << 4) + eip) & (MAX_MEM - 1));
1046: UINT8 ops[16];
1047: for(int i = 0; i < 16; i++) {
1048: ops[i] = debugger_read_byte(((cs << 4) + (eip + i)) & ADDR_MASK);
1049: }
1050: UINT8 *oprom = ops;
1051:
1052: #if defined(HAS_I386)
1053: if(m_operand_size) {
1054: return(CPU_DISASSEMBLE_CALL(x86_32) & DASMFLAG_LENGTHMASK);
1055: } else
1056: #endif
1057: return(CPU_DISASSEMBLE_CALL(x86_16) & DASMFLAG_LENGTHMASK);
1058: }
1059:
1060: void debugger_regs_info(char *buffer)
1061: {
1062: #if defined(HAS_I386)
1063: UINT32 flags = get_flags();
1064: #else
1065: UINT32 flags = CompressFlags();
1066: #endif
1067: #if defined(HAS_I386)
1068: if(m_operand_size) {
1069: sprintf(buffer, "EAX=%08X EBX=%08X ECX=%08X EDX=%08X\nESP=%08X EBP=%08X ESI=%08X EDI=%08X\nEIP=%08X DS=%04X ES=%04X SS=%04X CS=%04X FLAG=[%c %c%c%c%c%c%c%c%c%c%c%c%c%c%c%c]\n",
1070: REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SP), REG16(BP), REG16(SI), REG16(DI), m_eip, SREG(DS), SREG(ES), SREG(SS), SREG(CS),
1071: PROTECTED_MODE ? "PE" : "--",
1072: (flags & 0x40000) ? 'A' : '-',
1073: (flags & 0x20000) ? 'V' : '-',
1074: (flags & 0x10000) ? 'R' : '-',
1075: (flags & 0x04000) ? 'N' : '-',
1076: (flags & 0x02000) ? '1' : '0',
1077: (flags & 0x01000) ? '1' : '0',
1078: (flags & 0x00800) ? 'O' : '-',
1079: (flags & 0x00400) ? 'D' : '-',
1080: (flags & 0x00200) ? 'I' : '-',
1081: (flags & 0x00100) ? 'T' : '-',
1082: (flags & 0x00080) ? 'S' : '-',
1083: (flags & 0x00040) ? 'Z' : '-',
1084: (flags & 0x00010) ? 'A' : '-',
1085: (flags & 0x00004) ? 'P' : '-',
1086: (flags & 0x00001) ? 'C' : '-');
1087: } else {
1088: #endif
1089: sprintf(buffer, "AX=%04X BX=%04X CX=%04X DX=%04X SP=%04X BP=%04X SI=%04X DI=%04X\nIP=%04X DS=%04X ES=%04X SS=%04X CS=%04X FLAG=[%c %c%c%c%c%c%c%c%c%c%c%c%c%c%c%c]\n",
1090: REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SP), REG16(BP), REG16(SI), REG16(DI), m_eip, SREG(DS), SREG(ES), SREG(SS), SREG(CS),
1091: #if defined(HAS_I386)
1092: PROTECTED_MODE ? "PE" : "--",
1093: #else
1094: "--",
1095: #endif
1096: (flags & 0x40000) ? 'A' : '-',
1097: (flags & 0x20000) ? 'V' : '-',
1098: (flags & 0x10000) ? 'R' : '-',
1099: (flags & 0x04000) ? 'N' : '-',
1100: (flags & 0x02000) ? '1' : '0',
1101: (flags & 0x01000) ? '1' : '0',
1102: (flags & 0x00800) ? 'O' : '-',
1103: (flags & 0x00400) ? 'D' : '-',
1104: (flags & 0x00200) ? 'I' : '-',
1105: (flags & 0x00100) ? 'T' : '-',
1106: (flags & 0x00080) ? 'S' : '-',
1107: (flags & 0x00040) ? 'Z' : '-',
1108: (flags & 0x00010) ? 'A' : '-',
1109: (flags & 0x00004) ? 'P' : '-',
1110: (flags & 0x00001) ? 'C' : '-');
1111: #if defined(HAS_I386)
1112: }
1113: #endif
1114: }
1115:
1116: void debugger_process_info(char *buffer)
1117: {
1118: UINT16 psp_seg = current_psp;
1119: process_t *process;
1120: bool check[0x10000] = {0};
1121:
1122: buffer[0] = '\0';
1123:
1124: while(!check[psp_seg] && (process = msdos_process_info_get(psp_seg, false)) != NULL) {
1125: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
1126: char *file = process->module_path, *s;
1127: char tmp[8192];
1128:
1129: while((s = strstr(file, "\\")) != NULL) {
1130: file = s + 1;
1131: }
1132: sprintf(tmp, "PSP=%04X ENV=%04X RETURN=%04X:%04X PROGRAM=%s\n", psp_seg, psp->env_seg, psp->int_22h.w.h, psp->int_22h.w.l, my_strupr(file));
1133: strcat(tmp, buffer);
1134: strcpy(buffer, tmp);
1135:
1136: check[psp_seg] = true;
1137: psp_seg = psp->parent_psp;
1138: }
1139: }
1140:
1141: UINT32 debugger_get_val(const char *str)
1142: {
1143: char tmp[1024];
1144:
1145: if(str == NULL || strlen(str) == 0) {
1146: return(0);
1147: }
1148: strcpy(tmp, str);
1149:
1150: if(strlen(tmp) == 3 && tmp[0] == '\'' && tmp[2] == '\'') {
1151: // ank
1152: return(tmp[1] & 0xff);
1153: } else if(tmp[0] == '%') {
1154: // decimal
1155: return(strtoul(tmp + 1, NULL, 10));
1156: }
1157: return(strtoul(tmp, NULL, 16));
1158: }
1159:
1160: UINT32 debugger_get_seg(const char *str, UINT32 val)
1161: {
1162: char tmp[1024], *s;
1163:
1164: if(str == NULL || strlen(str) == 0) {
1165: return(val);
1166: }
1167: strcpy(tmp, str);
1168:
1169: if((s = strstr(tmp, ":")) != NULL) {
1170: // 0000:0000
1171: *s = '\0';
1172: return(debugger_get_val(tmp));
1173: }
1174: return(val);
1175: }
1176:
1177: UINT32 debugger_get_ofs(const char *str)
1178: {
1179: char tmp[1024], *s;
1180:
1181: if(str == NULL || strlen(str) == 0) {
1182: return(0);
1183: }
1184: strcpy(tmp, str);
1185:
1186: if((s = strstr(tmp, ":")) != NULL) {
1187: // 0000:0000
1188: return(debugger_get_val(s + 1));
1189: }
1190: return(debugger_get_val(tmp));
1191: }
1192:
1193: void debugger_main()
1194: {
1195: telnet_command("\033[20h"); // cr-lf
1196:
1197: force_suspend = true;
1198: now_going = false;
1199: now_debugging = true;
1200: Sleep(100);
1201:
1.1.1.54 root 1202: if(!m_exit && !now_suspended) {
1.1.1.33 root 1203: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1204: telnet_printf("waiting until cpu is suspended...\n");
1205: }
1.1.1.54 root 1206: while(!m_exit && !now_suspended) {
1.1.1.33 root 1207: if(telnet_disconnected()) {
1208: break;
1209: }
1210: Sleep(10);
1211: }
1212:
1213: char buffer[8192];
1214:
1215: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1216: debugger_process_info(buffer);
1217: telnet_printf("%s", buffer);
1218: debugger_regs_info(buffer);
1219: telnet_printf("%s", buffer);
1220: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1221: telnet_printf("breaked at %04X:%04X\n", SREG(CS), m_eip);
1222: telnet_set_color(TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1223: debugger_dasm(buffer, SREG(CS), m_eip);
1224: telnet_printf("next\t%04X:%04X %s\n", SREG(CS), m_eip, buffer);
1225: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1226:
1227: #define MAX_COMMAND_LEN 64
1228:
1229: char command[MAX_COMMAND_LEN + 1];
1230: char prev_command[MAX_COMMAND_LEN + 1] = {0};
1231:
1232: UINT32 data_seg = SREG(DS);
1233: UINT32 data_ofs = 0;
1234: UINT32 dasm_seg = SREG(CS);
1235: UINT32 dasm_ofs = m_eip;
1236:
1.1.1.54 root 1237: while(!m_exit) {
1.1.1.33 root 1238: telnet_printf("- ");
1239: command[0] = '\0';
1240:
1241: if(fi_debugger != NULL) {
1242: while(command[0] == '\0') {
1243: if(fgets(command, sizeof(command), fi_debugger) == NULL) {
1244: break;
1245: }
1246: while(strlen(command) > 0 && (command[strlen(command) - 1] == 0x0d || command[strlen(command) - 1] == 0x0a)) {
1247: command[strlen(command) - 1] = '\0';
1248: }
1249: }
1250: if(command[0] != '\0') {
1251: telnet_command("%s\n", command);
1252: }
1253: }
1254: if(command[0] == '\0') {
1255: if(!telnet_gets(command, sizeof(command))) {
1256: break;
1257: }
1258: }
1259: if(command[0] == '\0') {
1260: strcpy(command, prev_command);
1261: } else {
1262: strcpy(prev_command, command);
1263: }
1264: if(fp_debugger != NULL) {
1265: fprintf(fp_debugger, "%s\n", command);
1266: }
1267:
1.1.1.54 root 1268: if(!m_exit && command[0] != 0) {
1.1.1.33 root 1269: char *params[32], *token = NULL;
1270: int num = 0;
1271:
1272: if((token = strtok(command, " ")) != NULL) {
1273: params[num++] = token;
1274: while(num < 32 && (token = strtok(NULL, " ")) != NULL) {
1275: params[num++] = token;
1276: }
1277: }
1278: if(stricmp(params[0], "D") == 0) {
1279: if(num <= 3) {
1280: if(num >= 2) {
1281: data_seg = debugger_get_seg(params[1], data_seg);
1282: data_ofs = debugger_get_ofs(params[1]);
1283: }
1284: UINT32 end_seg = data_seg;
1285: UINT32 end_ofs = data_ofs + 8 * 16 - 1;
1286: if(num == 3) {
1287: end_seg = debugger_get_seg(params[2], data_seg);
1288: end_ofs = debugger_get_ofs(params[2]);
1289: }
1290: UINT64 start_addr = (data_seg << 4) + data_ofs;
1291: UINT64 end_addr = (end_seg << 4) + end_ofs;
1.1.1.37 root 1292: // bool is_sjis = false;
1.1.1.33 root 1293:
1294: for(UINT64 addr = (start_addr & ~0x0f); addr <= (end_addr | 0x0f); addr++) {
1295: if((addr & 0x0f) == 0) {
1296: if((data_ofs = addr - (data_seg << 4)) > 0xffff) {
1297: data_seg += 0x1000;
1298: data_ofs -= 0x10000;
1299: }
1300: telnet_printf("%06X:%04X ", data_seg, data_ofs);
1301: memset(buffer, 0, sizeof(buffer));
1302: }
1303: if(addr < start_addr || addr > end_addr) {
1304: telnet_printf(" ");
1305: buffer[addr & 0x0f] = ' ';
1306: } else {
1307: UINT8 data = debugger_read_byte(addr & ADDR_MASK);
1308: telnet_printf(" %02X", data);
1.1.1.37 root 1309: // if(is_sjis) {
1.1.1.33 root 1310: // buffer[addr & 0x0f] = data;
1.1.1.37 root 1311: // is_sjis = false;
1.1.1.33 root 1312: // } else if(((data >= 0x81 && data <= 0x9f) || (data >= 0xe0 && data <= 0xef)) && (addr & 0x0f) < 0x0f) {
1313: // buffer[addr & 0x0f] = data;
1.1.1.37 root 1314: // is_sjis = true;
1.1.1.33 root 1315: // } else
1316: if((data >= 0x20 && data <= 0x7e)/* || (data >= 0xa1 && data <= 0xdf)*/) {
1317: buffer[addr & 0x0f] = data;
1318: } else {
1319: buffer[addr & 0x0f] = '.';
1320: }
1321: }
1322: if((addr & 0x0f) == 0x0f) {
1323: telnet_printf(" %s\n", buffer);
1324: }
1325: }
1326: if((data_ofs = (end_addr + 1) - (data_seg << 4)) > 0xffff) {
1327: data_seg += 0x1000;
1328: data_ofs -= 0x10000;
1329: }
1330: prev_command[1] = '\0'; // remove parameters to dump continuously
1331: } else {
1332: telnet_printf("invalid parameter number\n");
1333: }
1334: } else if(stricmp(params[0], "E") == 0 || stricmp(params[0], "EB") == 0) {
1335: if(num >= 3) {
1336: UINT32 seg = debugger_get_seg(params[1], data_seg);
1337: UINT32 ofs = debugger_get_ofs(params[1]);
1338: for(int i = 2, j = 0; i < num; i++, j++) {
1339: debugger_write_byte(((seg << 4) + (ofs + j)) & ADDR_MASK, debugger_get_val(params[i]) & 0xff);
1340: }
1341: } else {
1342: telnet_printf("invalid parameter number\n");
1343: }
1344: } else if(stricmp(params[0], "EW") == 0) {
1345: if(num >= 3) {
1346: UINT32 seg = debugger_get_seg(params[1], data_seg);
1347: UINT32 ofs = debugger_get_ofs(params[1]);
1348: for(int i = 2, j = 0; i < num; i++, j += 2) {
1349: debugger_write_word(((seg << 4) + (ofs + j)) & ADDR_MASK, debugger_get_val(params[i]) & 0xffff);
1350: }
1351: } else {
1352: telnet_printf("invalid parameter number\n");
1353: }
1354: } else if(stricmp(params[0], "ED") == 0) {
1355: if(num >= 3) {
1356: UINT32 seg = debugger_get_seg(params[1], data_seg);
1357: UINT32 ofs = debugger_get_ofs(params[1]);
1358: for(int i = 2, j = 0; i < num; i++, j += 4) {
1359: debugger_write_dword(((seg << 4) + (ofs + j)) & ADDR_MASK, debugger_get_val(params[i]));
1360: }
1361: } else {
1362: telnet_printf("invalid parameter number\n");
1363: }
1364: } else if(stricmp(params[0], "EA") == 0) {
1365: if(num >= 3) {
1366: UINT32 seg = debugger_get_seg(params[1], data_seg);
1367: UINT32 ofs = debugger_get_ofs(params[1]);
1368: strcpy(buffer, prev_command);
1369: if((token = strtok(buffer, "\"")) != NULL && (token = strtok(NULL, "\"")) != NULL) {
1370: int len = strlen(token);
1371: for(int i = 0; i < len; i++) {
1372: debugger_write_byte(((seg << 4) + (ofs + i)) & ADDR_MASK, token[i] & 0xff);
1373: }
1374: } else {
1375: telnet_printf("invalid parameter\n");
1376: }
1377: } else {
1378: telnet_printf("invalid parameter number\n");
1379: }
1380: } else if(stricmp(params[0], "I") == 0 || stricmp(params[0], "IB") == 0) {
1381: if(num == 2) {
1382: telnet_printf("%02X\n", debugger_read_io_byte(debugger_get_val(params[1])) & 0xff);
1383: } else {
1384: telnet_printf("invalid parameter number\n");
1385: }
1386: } else if(stricmp(params[0], "IW") == 0) {
1387: if(num == 2) {
1388: telnet_printf("%04X\n", debugger_read_io_word(debugger_get_val(params[1])) & 0xffff);
1389: } else {
1390: telnet_printf("invalid parameter number\n");
1391: }
1392: } else if(stricmp(params[0], "ID") == 0) {
1393: if(num == 2) {
1394: telnet_printf("%08X\n", debugger_read_io_dword(debugger_get_val(params[1])));
1395: } else {
1396: telnet_printf("invalid parameter number\n");
1397: }
1398: } else if(stricmp(params[0], "O") == 0 || stricmp(params[0], "OB") == 0) {
1399: if(num == 3) {
1400: debugger_write_io_byte(debugger_get_val(params[1]), debugger_get_val(params[2]) & 0xff);
1401: } else {
1402: telnet_printf("invalid parameter number\n");
1403: }
1404: } else if(stricmp(params[0], "OW") == 0) {
1405: if(num == 3) {
1406: debugger_write_io_word(debugger_get_val(params[1]), debugger_get_val(params[2]) & 0xffff);
1407: } else {
1408: telnet_printf("invalid parameter number\n");
1409: }
1410: } else if(stricmp(params[0], "OD") == 0) {
1411: if(num == 3) {
1412: debugger_write_io_dword(debugger_get_val(params[1]), debugger_get_val(params[2]));
1413: } else {
1414: telnet_printf("invalid parameter number\n");
1415: }
1416: } else if(stricmp(params[0], "R") == 0) {
1417: if(num == 1) {
1418: debugger_regs_info(buffer);
1419: telnet_printf("%s", buffer);
1420: } else if(num == 3) {
1421: #if defined(HAS_I386)
1422: if(stricmp(params[1], "EAX") == 0) {
1423: REG32(EAX) = debugger_get_val(params[2]);
1424: } else if(stricmp(params[1], "EBX") == 0) {
1425: REG32(EBX) = debugger_get_val(params[2]);
1426: } else if(stricmp(params[1], "ECX") == 0) {
1427: REG32(ECX) = debugger_get_val(params[2]);
1428: } else if(stricmp(params[1], "EDX") == 0) {
1429: REG32(EDX) = debugger_get_val(params[2]);
1430: } else if(stricmp(params[1], "ESP") == 0) {
1431: REG32(ESP) = debugger_get_val(params[2]);
1432: } else if(stricmp(params[1], "EBP") == 0) {
1433: REG32(EBP) = debugger_get_val(params[2]);
1434: } else if(stricmp(params[1], "ESI") == 0) {
1435: REG32(ESI) = debugger_get_val(params[2]);
1436: } else if(stricmp(params[1], "EDI") == 0) {
1437: REG32(EDI) = debugger_get_val(params[2]);
1438: } else
1439: #endif
1440: if(stricmp(params[1], "AX") == 0) {
1441: REG16(AX) = debugger_get_val(params[2]);
1442: } else if(stricmp(params[1], "BX") == 0) {
1443: REG16(BX) = debugger_get_val(params[2]);
1444: } else if(stricmp(params[1], "CX") == 0) {
1445: REG16(CX) = debugger_get_val(params[2]);
1446: } else if(stricmp(params[1], "DX") == 0) {
1447: REG16(DX) = debugger_get_val(params[2]);
1448: } else if(stricmp(params[1], "SP") == 0) {
1449: REG16(SP) = debugger_get_val(params[2]);
1450: } else if(stricmp(params[1], "BP") == 0) {
1451: REG16(BP) = debugger_get_val(params[2]);
1452: } else if(stricmp(params[1], "SI") == 0) {
1453: REG16(SI) = debugger_get_val(params[2]);
1454: } else if(stricmp(params[1], "DI") == 0) {
1455: REG16(DI) = debugger_get_val(params[2]);
1456: } else if(stricmp(params[1], "IP") == 0 || stricmp(params[1], "EIP") == 0) {
1457: #if defined(HAS_I386)
1458: if(m_operand_size) {
1459: m_eip = debugger_get_val(params[2]);
1460: } else {
1461: m_eip = debugger_get_val(params[2]) & 0xffff;
1462: }
1463: CHANGE_PC(m_eip);
1464: #else
1465: m_pc = (SREG_BASE(CS) + (debugger_get_val(params[2]) & 0xffff)) & ADDR_MASK;
1466: CHANGE_PC(m_pc);
1467: #endif
1468: } else if(stricmp(params[1], "AL") == 0) {
1469: REG8(AL) = debugger_get_val(params[2]);
1470: } else if(stricmp(params[1], "AH") == 0) {
1471: REG8(AH) = debugger_get_val(params[2]);
1472: } else if(stricmp(params[1], "BL") == 0) {
1473: REG8(BL) = debugger_get_val(params[2]);
1474: } else if(stricmp(params[1], "BH") == 0) {
1475: REG8(BH) = debugger_get_val(params[2]);
1476: } else if(stricmp(params[1], "CL") == 0) {
1477: REG8(CL) = debugger_get_val(params[2]);
1478: } else if(stricmp(params[1], "CH") == 0) {
1479: REG8(CH) = debugger_get_val(params[2]);
1480: } else if(stricmp(params[1], "DL") == 0) {
1481: REG8(DL) = debugger_get_val(params[2]);
1482: } else if(stricmp(params[1], "DH") == 0) {
1483: REG8(DH) = debugger_get_val(params[2]);
1484: } else {
1485: telnet_printf("unknown register %s\n", params[1]);
1486: }
1487: } else {
1488: telnet_printf("invalid parameter number\n");
1489: }
1490: } else if(_tcsicmp(params[0], "S") == 0) {
1491: if(num >= 4) {
1492: UINT32 cur_seg = debugger_get_seg(params[1], data_seg);
1493: UINT32 cur_ofs = debugger_get_ofs(params[1]);
1494: UINT32 end_seg = debugger_get_seg(params[2], cur_seg);
1495: UINT32 end_ofs = debugger_get_ofs(params[2]);
1496: UINT8 list[32];
1497:
1498: for(int i = 3, j = 0; i < num && j < 32; i++, j++) {
1499: list[j] = debugger_get_val(params[i]);
1500: }
1501: while((cur_seg << 4) + cur_ofs <= (end_seg << 4) + end_ofs) {
1502: bool found = true;
1503: for(int i = 3, j = 0; i < num && j < 32; i++, j++) {
1504: if(debugger_read_byte(((cur_seg << 4) + (cur_ofs + j)) & ADDR_MASK) != list[j]) {
1505: found = false;
1506: break;
1507: }
1508: }
1509: if(found) {
1510: telnet_printf("%04X:%04X\n", cur_seg, cur_ofs);
1511: }
1512: if((cur_ofs += 1) > 0xffff) {
1513: cur_seg += 0x1000;
1514: cur_ofs -= 0x10000;
1515: }
1516: }
1517: } else {
1518: telnet_printf("invalid parameter number\n");
1519: }
1520: } else if(stricmp(params[0], "U") == 0) {
1521: if(num <= 3) {
1522: if(num >= 2) {
1523: dasm_seg = debugger_get_seg(params[1], dasm_seg);
1524: dasm_ofs = debugger_get_ofs(params[1]);
1525: }
1526: if(num == 3) {
1527: UINT32 end_seg = debugger_get_seg(params[2], dasm_seg);
1528: UINT32 end_ofs = debugger_get_ofs(params[2]);
1529:
1530: while((dasm_seg << 4) + dasm_ofs <= (end_seg << 4) + end_ofs) {
1531: int len = debugger_dasm(buffer, dasm_seg, dasm_ofs);
1532: telnet_printf("%04X:%04X ", dasm_seg, dasm_ofs);
1533: for(int i = 0; i < len; i++) {
1534: telnet_printf("%02X", debugger_read_byte(((dasm_seg << 4) + (dasm_ofs + i)) & ADDR_MASK));
1535: }
1536: for(int i = len; i < 8; i++) {
1537: telnet_printf(" ");
1538: }
1539: telnet_printf(" %s\n", buffer);
1540: if((dasm_ofs += len) > 0xffff) {
1541: dasm_seg += 0x1000;
1542: dasm_ofs -= 0x10000;
1543: }
1544: }
1545: } else {
1546: for(int i = 0; i < 16; i++) {
1547: int len = debugger_dasm(buffer, dasm_seg, dasm_ofs);
1548: telnet_printf("%04X:%04X ", dasm_seg, dasm_ofs);
1549: for(int i = 0; i < len; i++) {
1550: telnet_printf("%02X", debugger_read_byte(((dasm_seg << 4) + (dasm_ofs + i)) & ADDR_MASK));
1551: }
1552: for(int i = len; i < 8; i++) {
1553: telnet_printf(" ");
1554: }
1555: telnet_printf(" %s\n", buffer);
1556: if((dasm_ofs += len) > 0xffff) {
1557: dasm_seg += 0x1000;
1558: dasm_ofs -= 0x10000;
1559: }
1560: }
1561: }
1562: prev_command[1] = '\0'; // remove parameters to disassemble continuously
1563: } else {
1564: telnet_printf("invalid parameter number\n");
1565: }
1566: } else if(stricmp(params[0], "H") == 0) {
1567: if(num == 3) {
1568: UINT32 l = debugger_get_val(params[1]);
1569: UINT32 r = debugger_get_val(params[2]);
1570: telnet_printf("%08X %08X\n", l + r, l - r);
1571: } else {
1572: telnet_printf("invalid parameter number\n");
1573: }
1574: } else if(stricmp(params[0], "BP") == 0 || stricmp(params[0], "RBP") == 0 || stricmp(params[0], "WBP") == 0) {
1575: break_point_t *break_point_ptr;
1576: #define GET_BREAK_POINT_PTR() { \
1577: if(params[0][0] == 'R') { \
1578: break_point_ptr = &rd_break_point; \
1579: } else if(params[0][0] == 'W') { \
1580: break_point_ptr = &wr_break_point; \
1581: } else if(params[0][0] == 'I') { \
1582: break_point_ptr = &in_break_point; \
1583: } else if(params[0][0] == 'O') { \
1584: break_point_ptr = &out_break_point; \
1585: } else { \
1586: break_point_ptr = &break_point; \
1587: } \
1588: }
1589: GET_BREAK_POINT_PTR();
1590: if(num == 2) {
1591: UINT32 seg = debugger_get_seg(params[1], SREG(CS));
1592: UINT32 ofs = debugger_get_ofs(params[1]);
1593: bool found = false;
1594: for(int i = 0; i < MAX_BREAK_POINTS && !found; i++) {
1595: if(break_point_ptr->table[i].status == 0 || break_point_ptr->table[i].addr == ((seg << 4) + ofs)) {
1596: break_point_ptr->table[i].addr = (seg << 4) + ofs;
1597: break_point_ptr->table[i].seg = seg;
1598: break_point_ptr->table[i].ofs = ofs;
1599: break_point_ptr->table[i].status = 1;
1600: found = true;
1601: }
1602: }
1603: if(!found) {
1604: telnet_printf("too many break points\n");
1605: }
1606: } else {
1607: telnet_printf("invalid parameter number\n");
1608: }
1609: } else if(stricmp(params[0], "IBP") == 0 || stricmp(params[0], "OBP") == 0) {
1610: break_point_t *break_point_ptr;
1611: GET_BREAK_POINT_PTR();
1612: if(num == 2) {
1613: UINT32 addr = debugger_get_val(params[1]);
1614: bool found = false;
1615: for(int i = 0; i < MAX_BREAK_POINTS && !found; i++) {
1616: if(break_point_ptr->table[i].status == 0 || break_point_ptr->table[i].addr == addr) {
1617: break_point_ptr->table[i].addr = addr;
1618: break_point_ptr->table[i].status = 1;
1619: found = true;
1620: }
1621: }
1622: if(!found) {
1623: telnet_printf("too many break points\n");
1624: }
1625: } else {
1626: telnet_printf("invalid parameter number\n");
1627: }
1628: } else if(stricmp(params[0], "BC") == 0 || stricmp(params[0], "RBC") == 0 || stricmp(params[0], "WBC") == 0 || stricmp(params[0], "IBC") == 0 || stricmp(params[0], "OBC") == 0) {
1629: break_point_t *break_point_ptr;
1630: GET_BREAK_POINT_PTR();
1631: if(num == 2 && (stricmp(params[1], "*") == 0 || stricmp(params[1], "ALL") == 0)) {
1632: memset(break_point_ptr, 0, sizeof(break_point_t));
1633: } else if(num >= 2) {
1634: for(int i = 1; i < num; i++) {
1635: int index = debugger_get_val(params[i]);
1636: if(!(index >= 1 && index <= MAX_BREAK_POINTS)) {
1637: telnet_printf("invalid index %x\n", index);
1638: } else {
1639: break_point_ptr->table[index - 1].addr = 0;
1640: break_point_ptr->table[index - 1].seg = 0;
1641: break_point_ptr->table[index - 1].ofs = 0;
1642: break_point_ptr->table[index - 1].status = 0;
1643: }
1644: }
1645: } else {
1646: telnet_printf("invalid parameter number\n");
1647: }
1648: } else if(stricmp(params[0], "BD") == 0 || stricmp(params[0], "RBD") == 0 || stricmp(params[0], "WBD") == 0 || stricmp(params[0], "IBD") == 0 || stricmp(params[0], "OBD") == 0 ||
1649: stricmp(params[0], "BE") == 0 || stricmp(params[0], "RBE") == 0 || stricmp(params[0], "WBE") == 0 || stricmp(params[0], "IBE") == 0 || stricmp(params[0], "OBE") == 0) {
1650: break_point_t *break_point_ptr;
1651: GET_BREAK_POINT_PTR();
1652: bool enabled = (params[0][strlen(params[0]) - 1] == 'E' || params[0][strlen(params[0]) - 1] == 'e');
1653: if(num == 2 && (stricmp(params[1], "*") == 0 || stricmp(params[1], "ALL") == 0)) {
1654: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
1655: if(break_point_ptr->table[i].status != 0) {
1656: break_point_ptr->table[i].status = enabled ? 1 : -1;
1657: }
1658: }
1659: } else if(num >= 2) {
1660: for(int i = 1; i < num; i++) {
1661: int index = debugger_get_val(params[i]);
1662: if(!(index >= 1 && index <= MAX_BREAK_POINTS)) {
1663: telnet_printf("invalid index %x\n", index);
1664: } else if(break_point_ptr->table[index - 1].status == 0) {
1665: telnet_printf("break point %x is null\n", index);
1666: } else {
1667: break_point_ptr->table[index - 1].status = enabled ? 1 : -1;
1668: }
1669: }
1670: } else {
1671: telnet_printf("invalid parameter number\n");
1672: }
1673: } else if(stricmp(params[0], "BL") == 0 || stricmp(params[0], "RBL") == 0 || stricmp(params[0], "WBL") == 0) {
1674: break_point_t *break_point_ptr;
1675: GET_BREAK_POINT_PTR();
1676: if(num == 1) {
1677: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
1678: if(break_point_ptr->table[i].status) {
1679: telnet_printf("%d %c %04X:%04X\n", i + 1, break_point_ptr->table[i].status == 1 ? 'e' : 'd', break_point_ptr->table[i].seg, break_point_ptr->table[i].ofs);
1680: }
1681: }
1682: } else {
1683: telnet_printf("invalid parameter number\n");
1684: }
1685: } else if(stricmp(params[0], "IBL") == 0 || stricmp(params[0], "OBL") == 0) {
1686: break_point_t *break_point_ptr;
1687: GET_BREAK_POINT_PTR();
1688: if(num == 1) {
1689: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
1690: if(break_point_ptr->table[i].status) {
1691: telnet_printf("%d %c %04X\n", i + 1, break_point_ptr->table[i].status == 1 ? 'e' : 'd', break_point_ptr->table[i].addr);
1692: }
1693: }
1694: } else {
1695: telnet_printf("invalid parameter number\n");
1696: }
1697: } else if(stricmp(params[0], "INTBP") == 0) {
1698: if(num >= 2 && num <= 4) {
1699: int int_num = debugger_get_val(params[1]);
1700: UINT8 ah = 0, ah_registered = 0;
1701: UINT8 al = 0, al_registered = 0;
1702: if(num >= 3) {
1703: ah = debugger_get_val(params[2]);
1704: ah_registered = 1;
1705: }
1706: if(num == 4) {
1707: al = debugger_get_val(params[3]);
1708: al_registered = 1;
1709: }
1710: bool found = false;
1711: for(int i = 0; i < MAX_BREAK_POINTS && !found; i++) {
1712: if(int_break_point.table[i].status == 0 || (
1713: int_break_point.table[i].int_num == int_num &&
1714: int_break_point.table[i].ah == ah && int_break_point.table[i].ah_registered == ah_registered &&
1715: int_break_point.table[i].al == al && int_break_point.table[i].al_registered == al_registered)) {
1716: int_break_point.table[i].int_num = int_num;
1717: int_break_point.table[i].ah = ah;
1718: int_break_point.table[i].ah_registered = ah_registered;
1719: int_break_point.table[i].al = al;
1720: int_break_point.table[i].al_registered = al_registered;
1721: int_break_point.table[i].status = 1;
1722: found = true;
1723: }
1724: }
1725: if(!found) {
1726: telnet_printf("too many break points\n");
1727: }
1728: } else {
1729: telnet_printf("invalid parameter number\n");
1730: }
1731: } else if(stricmp(params[0], "INTBC") == 0) {
1732: if(num == 2 && (stricmp(params[1], "*") == 0 || stricmp(params[1], "ALL") == 0)) {
1733: memset(&int_break_point, 0, sizeof(int_break_point_t));
1734: } else if(num >= 2) {
1735: for(int i = 1; i < num; i++) {
1736: int index = debugger_get_val(params[i]);
1737: if(!(index >= 1 && index <= MAX_BREAK_POINTS)) {
1738: telnet_printf("invalid index %x\n", index);
1739: } else {
1740: int_break_point.table[index - 1].int_num = 0;
1741: int_break_point.table[index - 1].ah = 0;
1742: int_break_point.table[index - 1].ah_registered = 0;
1743: int_break_point.table[index - 1].al = 0;
1744: int_break_point.table[index - 1].al_registered = 0;
1745: int_break_point.table[index - 1].status = 0;
1746: }
1747: }
1748: } else {
1749: telnet_printf("invalid parameter number\n");
1750: }
1751: } else if(stricmp(params[0], "INTBD") == 0 || stricmp(params[0], "INTBE") == 0) {
1752: bool enabled = (params[0][strlen(params[0]) - 1] == 'E' || params[0][strlen(params[0]) - 1] == 'e');
1753: if(num == 2 && (stricmp(params[1], "*") == 0 || stricmp(params[1], "ALL") == 0)) {
1754: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
1755: if(int_break_point.table[i].status != 0) {
1756: int_break_point.table[i].status = enabled ? 1 : -1;
1757: }
1758: }
1759: } else if(num >= 2) {
1760: for(int i = 1; i < num; i++) {
1761: int index = debugger_get_val(params[i]);
1762: if(!(index >= 1 && index <= MAX_BREAK_POINTS)) {
1763: telnet_printf("invalid index %x\n", index);
1764: } else if(int_break_point.table[index - 1].status == 0) {
1765: telnet_printf("break point %x is null\n", index);
1766: } else {
1767: int_break_point.table[index - 1].status = enabled ? 1 : -1;
1768: }
1769: }
1770: } else {
1771: telnet_printf("invalid parameter number\n");
1772: }
1773: } else if(stricmp(params[0], "INTBL") == 0) {
1774: if(num == 1) {
1775: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
1776: if(int_break_point.table[i].status) {
1777: telnet_printf("%d %c %02X", i + 1, int_break_point.table[i].status == 1 ? 'e' : 'd', int_break_point.table[i].int_num);
1778: if(int_break_point.table[i].ah_registered) {
1779: telnet_printf(" %02X", int_break_point.table[i].ah);
1780: }
1781: if(int_break_point.table[i].al_registered) {
1782: telnet_printf(" %02X", int_break_point.table[i].al);
1783: }
1784: telnet_printf("\n");
1785: }
1786: }
1787: } else {
1788: telnet_printf("invalid parameter number\n");
1789: }
1790: } else if(stricmp(params[0], "G") == 0 || stricmp(params[0], "P") == 0) {
1791: if(num == 1 || num == 2) {
1792: break_point_t break_point_stored;
1793: bool break_points_stored = false;
1794:
1795: if(stricmp(params[0], "P") == 0) {
1796: memcpy(&break_point_stored, &break_point, sizeof(break_point_t));
1797: memset(&break_point, 0, sizeof(break_point_t));
1798: break_points_stored = true;
1799:
1800: break_point.table[0].addr = (SREG(CS) << 4) + m_eip + debugger_dasm(buffer, SREG(CS), m_eip);
1801: break_point.table[0].status = 1;
1802: } else if(num >= 2) {
1803: memcpy(&break_point_stored, &break_point, sizeof(break_point_t));
1804: memset(&break_point, 0, sizeof(break_point_t));
1805: break_points_stored = true;
1806:
1807: UINT32 seg = debugger_get_seg(params[1], SREG(CS));
1808: UINT32 ofs = debugger_get_ofs(params[1]);
1809: break_point.table[0].addr = (seg << 4) + ofs;
1810: break_point.table[0].seg = seg;
1811: break_point.table[0].ofs = ofs;
1812: break_point.table[0].status = 1;
1813: }
1814: break_point.hit = rd_break_point.hit = wr_break_point.hit = in_break_point.hit = out_break_point.hit = int_break_point.hit = 0;
1815: now_going = true;
1816: now_suspended = false;
1817:
1818: telnet_command("\033[2l"); // key unlock
1.1.1.54 root 1819: while(!m_exit && !now_suspended) {
1.1.1.33 root 1820: if(telnet_kbhit()) {
1821: break;
1822: }
1823: Sleep(10);
1824: }
1825: now_going = false;
1826: telnet_command("\033[2h"); // key lock
1827:
1828: if(!(break_point.hit || rd_break_point.hit || wr_break_point.hit || in_break_point.hit || out_break_point.hit || int_break_point.hit)) {
1829: Sleep(100);
1.1.1.54 root 1830: if(!m_exit && !now_suspended) {
1.1.1.33 root 1831: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1832: telnet_printf("waiting until cpu is suspended...\n");
1833: }
1834: }
1.1.1.54 root 1835: while(!m_exit && !now_suspended) {
1.1.1.33 root 1836: if(telnet_disconnected()) {
1837: break;
1838: }
1839: Sleep(10);
1840: }
1841: dasm_seg = SREG(CS);
1842: dasm_ofs = m_eip;
1843:
1844: telnet_set_color(TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1845: debugger_dasm(buffer, m_prev_cs, m_prev_eip);
1846: telnet_printf("done\t%04X:%04X %s\n", m_prev_cs, m_prev_eip, buffer);
1847:
1848: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1849: debugger_regs_info(buffer);
1850: telnet_printf("%s", buffer);
1851:
1852: if(break_point.hit) {
1853: if(stricmp(params[0], "G") == 0 && num == 1) {
1854: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1855: telnet_printf("breaked at %04X:%04X: break point is hit\n", SREG(CS), m_eip);
1856: }
1857: } else if(rd_break_point.hit) {
1858: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1859: telnet_printf("breaked at %04X:%04X: memory %04X:%04X was read at %04X:%04X\n", SREG(CS), m_eip,
1860: rd_break_point.table[rd_break_point.hit - 1].seg, rd_break_point.table[rd_break_point.hit - 1].ofs,
1861: m_prev_cs, m_prev_eip);
1862: } else if(wr_break_point.hit) {
1863: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1864: telnet_printf("breaked at %04X:%04X: memory %04X:%04X was written at %04X:%04X\n", SREG(CS), m_eip,
1865: wr_break_point.table[wr_break_point.hit - 1].seg, wr_break_point.table[wr_break_point.hit - 1].ofs,
1866: m_prev_cs, m_prev_eip);
1867: } else if(in_break_point.hit) {
1868: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1869: telnet_printf("breaked at %04X:%04X: port %04X was read at %04X:%04X\n", SREG(CS), m_eip,
1870: in_break_point.table[in_break_point.hit - 1].addr,
1871: m_prev_cs, m_prev_eip);
1872: } else if(out_break_point.hit) {
1873: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1874: telnet_printf("breaked at %04X:%04X: port %04X was written at %04X:%04X\n", SREG(CS), m_eip,
1875: out_break_point.table[out_break_point.hit - 1].addr,
1876: m_prev_cs, m_prev_eip);
1877: } else if(int_break_point.hit) {
1878: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1879: telnet_printf("breaked at %04X:%04X: INT %02x", SREG(CS), m_eip, int_break_point.table[int_break_point.hit - 1].int_num);
1880: if(int_break_point.table[int_break_point.hit - 1].ah_registered) {
1881: telnet_printf(" AH=%02x", int_break_point.table[int_break_point.hit - 1].ah);
1882: }
1883: if(int_break_point.table[int_break_point.hit - 1].al_registered) {
1884: telnet_printf(" AL=%02x", int_break_point.table[int_break_point.hit - 1].al);
1885: }
1886: telnet_printf(" is raised at %04X:%04X\n", m_prev_cs, m_prev_eip);
1887: } else {
1888: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1889: telnet_printf("breaked at %04X:%04X: enter key was pressed\n", SREG(CS), m_eip);
1890: }
1891: if(break_points_stored) {
1892: memcpy(&break_point, &break_point_stored, sizeof(break_point_t));
1893: }
1894: telnet_set_color(TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1895: debugger_dasm(buffer, SREG(CS), m_eip);
1896: telnet_printf("next\t%04X:%04X %s\n", SREG(CS), m_eip, buffer);
1897: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1898: } else {
1899: telnet_printf("invalid parameter number\n");
1900: }
1901: } else if(stricmp(params[0], "T") == 0) {
1902: if(num == 1 || num == 2) {
1903: int steps = 1;
1904: if(num >= 2) {
1905: steps = debugger_get_val(params[1]);
1906: }
1907:
1908: telnet_command("\033[2l"); // key unlock
1909: while(steps-- > 0) {
1910: break_point.hit = rd_break_point.hit = wr_break_point.hit = in_break_point.hit = out_break_point.hit = int_break_point.hit = 0;
1911: now_going = false;
1912: now_suspended = false;
1913:
1.1.1.54 root 1914: while(!m_exit && !now_suspended) {
1.1.1.33 root 1915: if(telnet_disconnected()) {
1916: break;
1917: }
1918: Sleep(10);
1919: }
1920: dasm_seg = SREG(CS);
1921: dasm_ofs = m_eip;
1922:
1923: telnet_set_color(TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1924: debugger_dasm(buffer, m_prev_cs, m_prev_eip);
1925: telnet_printf("done\t%04X:%04X %s\n", m_prev_cs, m_prev_eip, buffer);
1926:
1927: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1928: debugger_regs_info(buffer);
1929: telnet_printf("%s", buffer);
1930:
1931: if(break_point.hit || rd_break_point.hit || wr_break_point.hit || in_break_point.hit || out_break_point.hit || int_break_point.hit || telnet_kbhit()) {
1932: break;
1933: }
1934: }
1935: telnet_command("\033[2h"); // key lock
1936:
1937: if(!(break_point.hit || rd_break_point.hit || wr_break_point.hit || in_break_point.hit || out_break_point.hit || int_break_point.hit)) {
1938: Sleep(100);
1.1.1.54 root 1939: if(!m_exit && !now_suspended) {
1.1.1.33 root 1940: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1941: telnet_printf("waiting until cpu is suspended...\n");
1942: }
1943: }
1.1.1.54 root 1944: while(!m_exit && !now_suspended) {
1.1.1.33 root 1945: if(telnet_disconnected()) {
1946: break;
1947: }
1948: Sleep(10);
1949: }
1950: if(break_point.hit) {
1951: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1952: telnet_printf("breaked at %04X:%04X: break point is hit\n", SREG(CS), m_eip);
1953: } else if(rd_break_point.hit) {
1954: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1955: telnet_printf("breaked at %04X:%04X: memory %04X:%04X was read at %04X:%04X\n", SREG(CS), m_eip,
1956: rd_break_point.table[rd_break_point.hit - 1].seg, rd_break_point.table[rd_break_point.hit - 1].ofs,
1957: m_prev_cs, m_prev_eip);
1958: } else if(wr_break_point.hit) {
1959: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1960: telnet_printf("breaked at %04X:%04X: memory %04X:%04X was written at %04X:%04X\n", SREG(CS), m_eip,
1961: wr_break_point.table[wr_break_point.hit - 1].seg, wr_break_point.table[wr_break_point.hit - 1].ofs,
1962: m_prev_cs, m_prev_eip);
1963: } else if(in_break_point.hit) {
1964: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1965: telnet_printf("breaked at %04X:%04X: port %04X was read at %04X:%04X\n", SREG(CS), m_eip,
1966: in_break_point.table[in_break_point.hit - 1].addr,
1967: m_prev_cs, m_prev_eip);
1968: } else if(out_break_point.hit) {
1969: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1970: telnet_printf("breaked at %04X:%04X: port %04X was written at %04X:%04X\n", SREG(CS), m_eip,
1971: out_break_point.table[out_break_point.hit - 1].addr,
1972: m_prev_cs, m_prev_eip);
1973: } else if(int_break_point.hit) {
1974: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1975: telnet_printf("breaked at %04X:%04X: INT %02x", SREG(CS), m_eip, int_break_point.table[int_break_point.hit - 1].int_num);
1976: if(int_break_point.table[int_break_point.hit - 1].ah_registered) {
1977: telnet_printf(" AH=%02x", int_break_point.table[int_break_point.hit - 1].ah);
1978: }
1979: if(int_break_point.table[int_break_point.hit - 1].al_registered) {
1980: telnet_printf(" AL=%02x", int_break_point.table[int_break_point.hit - 1].al);
1981: }
1982: telnet_printf(" is raised at %04X:%04X\n", m_prev_cs, m_prev_eip);
1983: } else if(steps > 0) {
1984: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1985: telnet_printf("breaked at %04X:%04X: enter key was pressed\n", SREG(CS), m_eip);
1986: }
1987: telnet_set_color(TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1988: debugger_dasm(buffer, SREG(CS), m_eip);
1989: telnet_printf("next\t%04X:%04X %s\n", SREG(CS), m_eip, buffer);
1990: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1991: } else {
1992: telnet_printf("invalid parameter number\n");
1993: }
1994: } else if(stricmp(params[0], "Q") == 0) {
1995: break;
1996: } else if(stricmp(params[0], "X") == 0) {
1997: debugger_process_info(buffer);
1998: telnet_printf("%s", buffer);
1999: } else if(stricmp(params[0], ">") == 0) {
2000: if(num == 2) {
2001: if(fp_debugger != NULL) {
2002: fclose(fp_debugger);
2003: fp_debugger = NULL;
2004: }
2005: fp_debugger = fopen(params[1], "w");
2006: } else {
2007: telnet_printf("invalid parameter number\n");
2008: }
2009: } else if(stricmp(params[0], "<") == 0) {
2010: if(num == 2) {
2011: if(fi_debugger != NULL) {
2012: fclose(fi_debugger);
2013: fi_debugger = NULL;
2014: }
2015: fi_debugger = fopen(params[1], "r");
2016: } else {
2017: telnet_printf("invalid parameter number\n");
2018: }
2019: } else if(stricmp(params[0], "?") == 0) {
2020: telnet_printf("D [<start> [<end>]] - dump memory\n");
2021: telnet_printf("E[{B,W,D}] <address> <list> - edit memory (byte,word,dword)\n");
2022: telnet_printf("EA <address> \"<value>\" - edit memory (ascii)\n");
2023: telnet_printf("I[{B,W,D}] <port> - input port (byte,word,dword)\n");
2024: telnet_printf("O[{B,W,D}] <port> <value> - output port (byte,word,dword)\n");
2025:
2026: telnet_printf("R - show registers\n");
2027: telnet_printf("R <reg> <value> - edit register\n");
2028: telnet_printf("S <start> <end> <list> - search\n");
2029: telnet_printf("U [<start> [<end>]] - unassemble\n");
2030:
2031: telnet_printf("H <value> <value> - hexadd\n");
2032:
2033: telnet_printf("BP <address> - set breakpoint\n");
2034: telnet_printf("{R,W}BP <address> - set breakpoint (break at memory access)\n");
2035: telnet_printf("{I,O}BP <port> - set breakpoint (break at i/o access)\n");
2036: telnet_printf("INTBP <num> [<ah> [<al>]]- set breakpoint (break at interrupt)\n");
2037: telnet_printf("[{R,W,I,O,INT}]B{C,D,E} {*,<list>} - clear/disable/enable breakpoint(s)\n");
2038: telnet_printf("[{R,W,I,O,INT}]BL - list breakpoint(s)\n");
2039:
2040: telnet_printf("G - go (press enter key to break)\n");
2041: telnet_printf("G <address> - go and break at address\n");
2042: telnet_printf("P - trace one opcode (step over)\n");
2043: telnet_printf("T [<count>] - trace (step in)\n");
2044: telnet_printf("Q - quit\n");
2045: telnet_printf("X - show dos process info\n");
2046:
2047: telnet_printf("> <filename> - output logfile\n");
2048: telnet_printf("< <filename> - input commands from file\n");
2049:
2050: telnet_printf("<value> - hexa, decimal(%%d), ascii('a')\n");
2051: telnet_printf("<list> - <value> [<value> [<value> [...]]]\n");
2052: } else {
2053: telnet_printf("unknown command %s\n", params[0]);
2054: }
2055: }
2056: }
2057: if(fp_debugger != NULL) {
2058: fclose(fp_debugger);
2059: fp_debugger = NULL;
2060: }
2061: if(fi_debugger != NULL) {
2062: fclose(fi_debugger);
2063: fi_debugger = NULL;
2064: }
2065: now_debugging = now_going = now_suspended = force_suspend = false;
2066: closesocket(cli_socket);
2067: }
2068:
2069: const char *debugger_get_ttermpro_path()
2070: {
2071: static char path[MAX_PATH] = {0};
2072:
2073: if(getenv("ProgramFiles")) {
2074: sprintf(path, "%s\\teraterm\\ttermpro.exe", getenv("ProgramFiles"));
2075: }
2076: return(path);
2077: }
2078:
2079: const char *debugger_get_ttermpro_x86_path()
2080: {
2081: static char path[MAX_PATH] = {0};
2082:
2083: if(getenv("ProgramFiles(x86)")) {
2084: sprintf(path, "%s\\teraterm\\ttermpro.exe", getenv("ProgramFiles(x86)"));
2085: }
2086: return(path);
2087: }
2088:
2089: const char *debugger_get_putty_path()
2090: {
2091: static char path[MAX_PATH] = {0};
2092:
2093: if(getenv("ProgramFiles")) {
2094: sprintf(path, "%s\\PuTTY\\putty.exe", getenv("ProgramFiles"));
2095: }
2096: return(path);
2097: }
2098:
2099: const char *debugger_get_putty_x86_path()
2100: {
2101: static char path[MAX_PATH] = {0};
2102:
2103: if(getenv("ProgramFiles(x86)")) {
2104: sprintf(path, "%s\\PuTTY\\putty.exe", getenv("ProgramFiles(x86)"));
2105: }
2106: return(path);
2107: }
2108:
2109: const char *debugger_get_telnet_path()
2110: {
2111: // NOTE: When you run 32bit version of msdos.exe on Windows x64,
2112: // C:\Windows\System32\telnet.exe is redirected to telnet.exe in SysWOW64.
2113: // But 32bit version of telnet.exe will not be installed in SysWOW64
2114: // and 64bit version of telnet.exe will be installed in System32.
2115: static char path[MAX_PATH] = {0};
2116:
2117: if(getenv("windir") != NULL) {
2118: sprintf(path, "%s\\System32\\telnet.exe", getenv("windir"));
2119: }
2120: return(path);
2121: }
2122:
2123: DWORD WINAPI debugger_thread(LPVOID)
2124: {
2125: WSADATA was_data;
2126: struct sockaddr_in svr_addr;
2127: struct sockaddr_in cli_addr;
2128: int cli_addr_len = sizeof(cli_addr);
2129: int port = 23;
2130: int bind_stat = SOCKET_ERROR;
2131: struct timeval timeout;
2132:
2133: WSAStartup(MAKEWORD(2,0), &was_data);
2134:
2135: if((svr_socket = socket(AF_INET, SOCK_STREAM, 0)) != INVALID_SOCKET) {
2136: memset(&svr_addr, 0, sizeof(svr_addr));
2137: svr_addr.sin_family = AF_INET;
2138: svr_addr.sin_addr.s_addr = htonl(INADDR_ANY);
2139:
1.1.1.54 root 2140: while(!m_exit && port < 10000) {
1.1.1.33 root 2141: svr_addr.sin_port = htons(port);
2142: if((bind_stat = bind(svr_socket, (struct sockaddr *)&svr_addr, sizeof(svr_addr))) == 0) {
2143: break;
2144: } else {
2145: port = (port == 23) ? 9000 : (port + 1);
2146: }
2147: }
2148: if(bind_stat == 0) {
2149: timeout.tv_sec = 1;
2150: timeout.tv_usec = 0;
1.1.1.45 root 2151: setsockopt(svr_socket, SOL_SOCKET, SO_RCVTIMEO, (char *)&timeout, sizeof(timeout));
1.1.1.33 root 2152:
2153: listen(svr_socket, 1);
2154:
2155: char command[MAX_PATH] = {0};
2156: STARTUPINFO si;
2157: PROCESS_INFORMATION pi;
2158:
2159: if(_access(debugger_get_ttermpro_path(), 0) == 0) {
2160: sprintf(command, "%s localhost:%d /T=1", debugger_get_ttermpro_path(), port);
2161: } else if(_access(debugger_get_ttermpro_x86_path(), 0) == 0) {
2162: sprintf(command, "%s localhost:%d /T=1", debugger_get_ttermpro_x86_path(), port);
2163: } else if(_access(debugger_get_putty_path(), 0) == 0) {
2164: sprintf(command, "%s -telnet localhost %d", debugger_get_putty_path(), port);
2165: } else if(_access(debugger_get_putty_x86_path(), 0) == 0) {
2166: sprintf(command, "%s -telnet localhost %d", debugger_get_putty_x86_path(), port);
2167: } else if(_access(debugger_get_telnet_path(), 0) == 0) {
2168: sprintf(command, "%s -t vt100 localhost %d", debugger_get_telnet_path(), port);
2169: }
2170: if(command[0] != '\0') {
2171: memset(&si, 0, sizeof(STARTUPINFO));
2172: memset(&pi, 0, sizeof(PROCESS_INFORMATION));
2173: CreateProcess(NULL, command, NULL, NULL, FALSE, CREATE_NEW_CONSOLE, NULL, NULL, &si, &pi);
2174: }
2175:
1.1.1.54 root 2176: while(!m_exit) {
1.1.1.33 root 2177: if((cli_socket = accept(svr_socket, (struct sockaddr *) &cli_addr, &cli_addr_len)) != INVALID_SOCKET) {
2178: u_long val = 1;
2179: ioctlsocket(cli_socket, FIONBIO, &val);
2180: debugger_main();
2181: }
2182: }
2183: }
2184: }
2185: WSACleanup();
2186: return(0);
2187: }
2188: #endif
2189:
2190: /* ----------------------------------------------------------------------------
1.1 root 2191: main
2192: ---------------------------------------------------------------------------- */
2193:
1.1.1.28 root 2194: BOOL WINAPI ctrl_handler(DWORD dwCtrlType)
2195: {
2196: if(dwCtrlType == CTRL_BREAK_EVENT) {
1.1.1.33 root 2197: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 2198: #ifdef USE_SERVICE_THREAD
2199: EnterCriticalSection(&key_buf_crit_sect);
2200: #endif
1.1.1.51 root 2201: pcbios_clear_key_buffer();
1.1.1.35 root 2202: #ifdef USE_SERVICE_THREAD
2203: LeaveCriticalSection(&key_buf_crit_sect);
2204: #endif
1.1.1.33 root 2205: }
2206: // key_code = key_recv = 0;
1.1.1.28 root 2207: return TRUE;
2208: } else if(dwCtrlType == CTRL_C_EVENT) {
2209: return TRUE;
2210: } else if(dwCtrlType == CTRL_CLOSE_EVENT) {
2211: // this program will be terminated abnormally, do minimum end process
2212: exit_handler();
2213: exit(1);
2214: }
2215: return FALSE;
2216: }
2217:
2218: void exit_handler()
2219: {
2220: if(temp_file_created) {
2221: DeleteFile(temp_file_path);
2222: temp_file_created = false;
2223: }
2224: if(key_buf_char != NULL) {
2225: key_buf_char->release();
2226: delete key_buf_char;
2227: key_buf_char = NULL;
2228: }
2229: if(key_buf_scan != NULL) {
2230: key_buf_scan->release();
2231: delete key_buf_scan;
2232: key_buf_scan = NULL;
2233: }
1.1.1.32 root 2234: #ifdef SUPPORT_XMS
2235: msdos_xms_release();
2236: #endif
1.1.1.28 root 2237: hardware_release();
2238: }
2239:
1.1.1.35 root 2240: #ifdef USE_VRAM_THREAD
1.1.1.28 root 2241: DWORD WINAPI vram_thread(LPVOID)
2242: {
1.1.1.54 root 2243: while(!m_exit) {
1.1.1.28 root 2244: EnterCriticalSection(&vram_crit_sect);
2245: if(vram_length_char != 0 && vram_length_char == vram_last_length_char) {
2246: vram_flush_char();
2247: }
2248: if(vram_length_attr != 0 && vram_length_attr == vram_last_length_attr) {
2249: vram_flush_attr();
2250: }
2251: vram_last_length_char = vram_length_char;
2252: vram_last_length_attr = vram_length_attr;
2253: LeaveCriticalSection(&vram_crit_sect);
2254: // this is about half the maximum keyboard repeat rate - any
2255: // lower tends to be jerky, any higher misses updates
2256: Sleep(15);
2257: }
2258: return 0;
2259: }
2260: #endif
2261:
1.1.1.45 root 2262: long get_section_in_exec_file(FILE *fp, const char *name)
1.1.1.28 root 2263: {
2264: UINT8 header[0x400];
2265:
2266: long position = ftell(fp);
2267: fseek(fp, 0, SEEK_SET);
2268: fread(header, sizeof(header), 1, fp);
2269: fseek(fp, position, SEEK_SET);
2270:
2271: try {
2272: _IMAGE_DOS_HEADER *dosHeader = (_IMAGE_DOS_HEADER *)(header + 0);
2273: DWORD dwTopOfSignature = dosHeader->e_lfanew;
2274: DWORD dwTopOfCoffHeader = dwTopOfSignature + 4;
2275: _IMAGE_FILE_HEADER *coffHeader = (_IMAGE_FILE_HEADER *)(header + dwTopOfCoffHeader);
2276: DWORD dwTopOfOptionalHeader = dwTopOfCoffHeader + sizeof(_IMAGE_FILE_HEADER);
2277: DWORD dwTopOfFirstSectionHeader = dwTopOfOptionalHeader + coffHeader->SizeOfOptionalHeader;
2278:
2279: for(int i = 0; i < coffHeader->NumberOfSections; i++) {
2280: _IMAGE_SECTION_HEADER *sectionHeader = (_IMAGE_SECTION_HEADER *)(header + dwTopOfFirstSectionHeader + IMAGE_SIZEOF_SECTION_HEADER * i);
2281: if(memcmp(sectionHeader->Name, name, strlen(name)) == 0) {
2282: return(sectionHeader->PointerToRawData);
2283: }
2284: }
2285: } catch(...) {
2286: }
2287: return(0);
2288: }
2289:
1.1.1.10 root 2290: bool is_started_from_command_prompt()
2291: {
1.1.1.18 root 2292: bool ret = false;
2293:
2294: HMODULE hLibrary = LoadLibrary(_T("Kernel32.dll"));
2295: if(hLibrary) {
2296: typedef DWORD (WINAPI *GetConsoleProcessListFunction)(__out LPDWORD lpdwProcessList, __in DWORD dwProcessCount);
2297: GetConsoleProcessListFunction lpfnGetConsoleProcessList;
2298: lpfnGetConsoleProcessList = reinterpret_cast<GetConsoleProcessListFunction>(::GetProcAddress(hLibrary, "GetConsoleProcessList"));
2299: if(lpfnGetConsoleProcessList) {
2300: DWORD pl;
2301: ret = (lpfnGetConsoleProcessList(&pl, 1) > 1);
2302: FreeLibrary(hLibrary);
2303: return(ret);
2304: }
2305: FreeLibrary(hLibrary);
2306: }
2307:
2308: HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
2309: if(hSnapshot != INVALID_HANDLE_VALUE) {
2310: DWORD dwParentProcessID = 0;
2311: PROCESSENTRY32 pe32;
2312: pe32.dwSize = sizeof(PROCESSENTRY32);
2313: if(Process32First(hSnapshot, &pe32)) {
2314: do {
2315: if(pe32.th32ProcessID == GetCurrentProcessId()) {
2316: dwParentProcessID = pe32.th32ParentProcessID;
2317: break;
2318: }
2319: } while(Process32Next(hSnapshot, &pe32));
2320: }
2321: CloseHandle(hSnapshot);
2322: if(dwParentProcessID != 0) {
2323: HANDLE hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, dwParentProcessID);
2324: if(hProcess != NULL) {
2325: HMODULE hMod;
2326: DWORD cbNeeded;
2327: if(EnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) {
2328: char module_name[MAX_PATH];
2329: if(GetModuleBaseName(hProcess, hMod, module_name, sizeof(module_name))) {
2330: ret = (_strnicmp(module_name, "cmd.exe", 7) == 0);
2331: }
2332: }
2333: CloseHandle(hProcess);
2334: }
2335: }
2336: }
2337: return(ret);
1.1.1.14 root 2338: }
2339:
2340: BOOL is_greater_windows_version(DWORD dwMajorVersion, DWORD dwMinorVersion, WORD wServicePackMajor, WORD wServicePackMinor)
2341: {
1.1.1.24 root 2342: // https://msdn.microsoft.com/en-us/library/windows/desktop/ms725491(v=vs.85).aspx
1.1.1.14 root 2343: OSVERSIONINFOEX osvi;
2344: DWORDLONG dwlConditionMask = 0;
2345: int op = VER_GREATER_EQUAL;
2346:
2347: // Initialize the OSVERSIONINFOEX structure.
2348: ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
2349: osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
2350: osvi.dwMajorVersion = dwMajorVersion;
2351: osvi.dwMinorVersion = dwMinorVersion;
2352: osvi.wServicePackMajor = wServicePackMajor;
2353: osvi.wServicePackMinor = wServicePackMinor;
2354:
2355: // Initialize the condition mask.
2356: VER_SET_CONDITION( dwlConditionMask, VER_MAJORVERSION, op );
2357: VER_SET_CONDITION( dwlConditionMask, VER_MINORVERSION, op );
2358: VER_SET_CONDITION( dwlConditionMask, VER_SERVICEPACKMAJOR, op );
2359: VER_SET_CONDITION( dwlConditionMask, VER_SERVICEPACKMINOR, op );
2360:
2361: // Perform the test.
2362: return VerifyVersionInfo(&osvi, VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR, dwlConditionMask);
2363: }
2364:
1.1.1.56! root 2365: bool set_console_font_size(HANDLE hStdout, int width, int height)
! 2366: {
! 2367: // http://d.hatena.ne.jp/aharisu/20090427/1240852598
! 2368: bool result = false;
! 2369: HMODULE hLibrary = LoadLibrary(_T("Kernel32.dll"));
! 2370:
! 2371: if(hLibrary) {
! 2372: typedef BOOL (WINAPI* GetConsoleFontInfoFunction)(HANDLE, BOOL, DWORD, PCONSOLE_FONT_INFO);
! 2373: typedef DWORD (WINAPI* GetNumberOfConsoleFontsFunction)(VOID);
! 2374: typedef BOOL (WINAPI* SetConsoleFontFunction)(HANDLE, DWORD);
! 2375: typedef BOOL (WINAPI* GetCurrentConsoleFontFunction)(HANDLE, BOOL, PCONSOLE_FONT_INFO);
! 2376:
! 2377: GetConsoleFontInfoFunction lpfnGetConsoleFontInfo = reinterpret_cast<GetConsoleFontInfoFunction>(::GetProcAddress(hLibrary, "GetConsoleFontInfo"));
! 2378: GetNumberOfConsoleFontsFunction lpfnGetNumberOfConsoleFonts = reinterpret_cast<GetNumberOfConsoleFontsFunction>(::GetProcAddress(hLibrary, "GetNumberOfConsoleFonts"));
! 2379: SetConsoleFontFunction lpfnSetConsoleFont = reinterpret_cast<SetConsoleFontFunction>(::GetProcAddress(hLibrary, "SetConsoleFont"));
! 2380: GetCurrentConsoleFontFunction lpfnGetCurrentConsoleFont = reinterpret_cast<GetCurrentConsoleFontFunction>(::GetProcAddress(hLibrary, "GetCurrentConsoleFont"));
! 2381:
! 2382: if(lpfnGetConsoleFontInfo && lpfnGetNumberOfConsoleFonts && lpfnSetConsoleFont) {
! 2383: DWORD dwFontNum = lpfnGetNumberOfConsoleFonts();
! 2384: CONSOLE_FONT_INFO* fonts = (CONSOLE_FONT_INFO*)malloc(sizeof(CONSOLE_FONT_INFO) * dwFontNum);
! 2385: lpfnGetConsoleFontInfo(hStdout, FALSE, dwFontNum, fonts);
! 2386: for(int i = 0; i < dwFontNum; i++) {
! 2387: fonts[i].dwFontSize = GetConsoleFontSize(hStdout, fonts[i].nFont);
! 2388: if(fonts[i].dwFontSize.X == width && fonts[i].dwFontSize.Y == height) {
! 2389: lpfnSetConsoleFont(hStdout, fonts[i].nFont);
! 2390: result = true;
! 2391: break;
! 2392: }
! 2393: }
! 2394: free(fonts);
! 2395: }
! 2396: if(lpfnGetCurrentConsoleFont && result) {
! 2397: CONSOLE_FONT_INFO fi;
! 2398: if(lpfnGetCurrentConsoleFont(hStdout, FALSE, &fi)) {
! 2399: result = (fi.dwFontSize.X == width && fi.dwFontSize.Y == height);
! 2400: }
! 2401: }
! 2402: FreeLibrary(hLibrary);
! 2403: }
! 2404: return(result);
! 2405: }
! 2406:
1.1.1.27 root 2407: void get_sio_port_numbers()
2408: {
2409: SP_DEVINFO_DATA DeviceInfoData = {sizeof(SP_DEVINFO_DATA)};
2410: HDEVINFO hDevInfo = 0;
2411: HKEY hKey = 0;
2412: if((hDevInfo = SetupDiGetClassDevs(&GUID_DEVINTERFACE_COMPORT, NULL, NULL, (DIGCF_PRESENT | DIGCF_DEVICEINTERFACE))) != 0) {
2413: for(int i = 0; SetupDiEnumDeviceInfo(hDevInfo, i, &DeviceInfoData); i++) {
2414: if((hKey = SetupDiOpenDevRegKey(hDevInfo, &DeviceInfoData, DICS_FLAG_GLOBAL, 0, DIREG_DEV, KEY_QUERY_VALUE)) != INVALID_HANDLE_VALUE) {
2415: char chData[256];
2416: DWORD dwType = 0;
2417: DWORD dwSize = sizeof(chData);
2418: int port_number = 0;
2419:
2420: if(RegQueryValueEx(hKey, _T("PortName"), NULL, &dwType, (BYTE *)chData, &dwSize) == ERROR_SUCCESS) {
2421: if(_strnicmp(chData, "COM", 3) == 0) {
2422: port_number = atoi(chData + 3);
2423: }
2424: }
2425: RegCloseKey(hKey);
2426:
1.1.1.29 root 2427: if(sio_port_number[0] == port_number || sio_port_number[1] == port_number || sio_port_number[2] == port_number || sio_port_number[3] == port_number) {
1.1.1.27 root 2428: continue;
2429: }
2430: if(sio_port_number[0] == 0) {
2431: sio_port_number[0] = port_number;
2432: } else if(sio_port_number[1] == 0) {
2433: sio_port_number[1] = port_number;
1.1.1.29 root 2434: } else if(sio_port_number[2] == 0) {
2435: sio_port_number[2] = port_number;
2436: } else if(sio_port_number[3] == 0) {
2437: sio_port_number[3] = port_number;
1.1.1.27 root 2438: }
1.1.1.29 root 2439: if(sio_port_number[0] != 0 && sio_port_number[1] != 0 && sio_port_number[2] != 0 && sio_port_number[3] != 0) {
1.1.1.27 root 2440: break;
2441: }
2442: }
2443: }
2444: }
2445: }
2446:
1.1.1.28 root 2447: #define IS_NUMERIC(c) ((c) >= '0' && (c) <= '9')
2448:
1.1 root 2449: int main(int argc, char *argv[], char *envp[])
2450: {
1.1.1.9 root 2451: int arg_offset = 0;
2452: int standard_env = 0;
1.1.1.14 root 2453: int buf_width = 0, buf_height = 0;
1.1.1.28 root 2454: bool get_console_info_success = false;
1.1.1.56! root 2455: bool get_console_font_success = false;
1.1.1.28 root 2456: bool screen_size_changed = false;
2457:
2458: _TCHAR path[MAX_PATH], full[MAX_PATH], *name = NULL;
2459: GetModuleFileName(NULL, path, MAX_PATH);
2460: GetFullPathName(path, MAX_PATH, full, &name);
1.1 root 2461:
1.1.1.27 root 2462: char dummy_argv_0[] = "msdos.exe";
2463: char dummy_argv_1[MAX_PATH];
2464: char *dummy_argv[256] = {dummy_argv_0, dummy_argv_1, 0};
2465: char new_exec_file[MAX_PATH];
2466: bool convert_cmd_file = false;
1.1.1.28 root 2467: unsigned int code_page = 0;
1.1.1.27 root 2468:
2469: if(name != NULL && stricmp(name, "msdos.exe") != 0) {
1.1.1.28 root 2470: // check if command file is embedded to this execution file
2471: // if this execution file name is msdos.exe, don't check
1.1.1.27 root 2472: FILE* fp = fopen(full, "rb");
1.1.1.28 root 2473: long offset = get_section_in_exec_file(fp, ".msdos");
2474: if(offset != 0) {
1.1.1.30 root 2475: UINT8 buffer[16];
1.1.1.28 root 2476: fseek(fp, offset, SEEK_SET);
2477: fread(buffer, sizeof(buffer), 1, fp);
2478:
2479: // restore flags
2480: stay_busy = ((buffer[0] & 0x01) != 0);
2481: no_windows = ((buffer[0] & 0x02) != 0);
2482: standard_env = ((buffer[0] & 0x04) != 0);
2483: ignore_illegal_insn = ((buffer[0] & 0x08) != 0);
2484: limit_max_memory = ((buffer[0] & 0x10) != 0);
2485: if((buffer[0] & 0x20) != 0) {
2486: get_sio_port_numbers();
2487: }
2488: if((buffer[0] & 0x40) != 0) {
2489: UMB_TOP = EMS_TOP + EMS_SIZE;
2490: support_ems = true;
1.1.1.30 root 2491: }
1.1.1.27 root 2492: #ifdef SUPPORT_XMS
1.1.1.30 root 2493: if((buffer[0] & 0x80) != 0) {
1.1.1.28 root 2494: support_xms = true;
2495: }
1.1.1.30 root 2496: #endif
1.1.1.28 root 2497: if((buffer[1] != 0 || buffer[2] != 0) && (buffer[3] != 0 || buffer[4] != 0)) {
2498: buf_width = buffer[1] | (buffer[2] << 8);
2499: buf_height = buffer[3] | (buffer[4] << 8);
2500: }
2501: if(buffer[5] != 0) {
1.1.1.30 root 2502: dos_major_version = buffer[5];
2503: dos_minor_version = buffer[6];
2504: }
2505: if(buffer[7] != 0) {
2506: win_major_version = buffer[7];
2507: win_minor_version = buffer[8];
1.1.1.28 root 2508: }
1.1.1.30 root 2509: if((code_page = buffer[9] | (buffer[10] << 8)) != 0) {
1.1.1.28 root 2510: SetConsoleCP(code_page);
2511: SetConsoleOutputCP(code_page);
2512: }
1.1.1.30 root 2513: int name_len = buffer[11];
2514: int file_len = buffer[12] | (buffer[13] << 8) | (buffer[14] << 16) | (buffer[15] << 24);
1.1.1.28 root 2515:
2516: // restore command file name
2517: memset(dummy_argv_1, 0, sizeof(dummy_argv_1));
2518: fread(dummy_argv_1, name_len, 1, fp);
2519:
2520: if(name_len != 0 && _access(dummy_argv_1, 0) == 0) {
2521: // if original command file exists, create a temporary file name
2522: if(GetTempFileName(_T("."), _T("DOS"), 0, dummy_argv_1) != 0) {
2523: // create a temporary command file in the current director
2524: DeleteFile(dummy_argv_1);
1.1.1.27 root 2525: } else {
1.1.1.28 root 2526: // create a temporary command file in the temporary folder
2527: GetTempPath(MAX_PATH, path);
2528: if(GetTempFileName(path, _T("DOS"), 0, dummy_argv_1) != 0) {
2529: DeleteFile(dummy_argv_1);
2530: } else {
2531: sprintf(dummy_argv_1, "%s$DOSPRG$.TMP", path);
2532: }
1.1.1.27 root 2533: }
1.1.1.28 root 2534: // check the command file type
2535: fread(buffer, 2, 1, fp);
2536: fseek(fp, -2, SEEK_CUR);
2537: if(memcmp(buffer, "MZ", 2) != 0) {
2538: memcpy(dummy_argv_1 + strlen(dummy_argv_1) - 4, ".COM", 4);
2539: } else {
2540: memcpy(dummy_argv_1 + strlen(dummy_argv_1) - 4, ".EXE", 4);
1.1.1.27 root 2541: }
2542: }
1.1.1.28 root 2543:
2544: // restore command file
2545: FILE* fo = fopen(dummy_argv_1, "wb");
2546: for(int i = 0; i < file_len; i++) {
2547: fputc(fgetc(fp), fo);
2548: }
2549: fclose(fo);
2550:
2551: GetFullPathName(dummy_argv_1, MAX_PATH, temp_file_path, NULL);
2552: temp_file_created = true;
2553: SetFileAttributes(temp_file_path, FILE_ATTRIBUTE_HIDDEN);
2554:
2555: // adjust argc/argv
2556: for(int i = 1; i < argc && (i + 1) < 256; i++) {
2557: dummy_argv[i + 1] = argv[i];
2558: }
2559: argc++;
2560: argv = dummy_argv;
1.1.1.27 root 2561: }
2562: fclose(fp);
2563: }
1.1.1.9 root 2564: for(int i = 1; i < argc; i++) {
1.1.1.25 root 2565: if(_strnicmp(argv[i], "-b", 2) == 0) {
2566: stay_busy = true;
2567: arg_offset++;
1.1.1.27 root 2568: } else if(_strnicmp(argv[i], "-c", 2) == 0) {
2569: if(argv[i][2] != '\0') {
2570: strcpy(new_exec_file, &argv[i][2]);
2571: } else {
2572: strcpy(new_exec_file, "new_exec_file.exe");
2573: }
2574: convert_cmd_file = true;
2575: arg_offset++;
1.1.1.28 root 2576: } else if(_strnicmp(argv[i], "-p", 2) == 0) {
2577: if(IS_NUMERIC(argv[i][2])) {
2578: code_page = atoi(&argv[i][2]);
2579: } else {
2580: code_page = GetConsoleCP();
2581: }
2582: arg_offset++;
1.1.1.25 root 2583: } else if(_strnicmp(argv[i], "-d", 2) == 0) {
2584: no_windows = true;
2585: arg_offset++;
2586: } else if(_strnicmp(argv[i], "-e", 2) == 0) {
1.1.1.9 root 2587: standard_env = 1;
2588: arg_offset++;
1.1.1.14 root 2589: } else if(_strnicmp(argv[i], "-i", 2) == 0) {
2590: ignore_illegal_insn = true;
2591: arg_offset++;
2592: } else if(_strnicmp(argv[i], "-m", 2) == 0) {
2593: limit_max_memory = true;
2594: arg_offset++;
2595: } else if(_strnicmp(argv[i], "-n", 2) == 0) {
1.1.1.51 root 2596: int result = sscanf(argv[i] + 2, "%d,%d", &buf_height, &buf_width);
2597: if(result == 1) {
2598: buf_width = 0;
2599: } else if(result != 2) {
1.1.1.17 root 2600: buf_width = buf_height = 0;
2601: }
2602: if(buf_width <= 0 || buf_width > 0x7fff) {
2603: buf_width = 80;
2604: }
2605: if(buf_height <= 0 || buf_height > 0x7fff) {
2606: buf_height = 25;
2607: }
1.1.1.14 root 2608: arg_offset++;
1.1.1.25 root 2609: } else if(_strnicmp(argv[i], "-s", 2) == 0) {
1.1.1.28 root 2610: if(IS_NUMERIC(argv[i][2])) {
1.1.1.29 root 2611: char *p0 = &argv[i][2], *p1, *p2, *p3;
2612: if((p1 = strchr(p0, ',')) != NULL && IS_NUMERIC(p1[1])) {
2613: sio_port_number[1] = atoi(p1 + 1);
2614: if((p2 = strchr(p1, ',')) != NULL && IS_NUMERIC(p2[1])) {
2615: sio_port_number[2] = atoi(p2 + 1);
2616: if((p3 = strchr(p2, ',')) != NULL && IS_NUMERIC(p3[1])) {
2617: sio_port_number[3] = atoi(p3 + 1);
2618: }
2619: }
1.1.1.25 root 2620: }
1.1.1.29 root 2621: sio_port_number[0] = atoi(p0);
1.1.1.25 root 2622: }
1.1.1.29 root 2623: if(sio_port_number[0] == 0 || sio_port_number[1] == 0 || sio_port_number[2] == 0 || sio_port_number[3] == 0) {
1.1.1.27 root 2624: get_sio_port_numbers();
1.1.1.25 root 2625: }
2626: arg_offset++;
1.1.1.9 root 2627: } else if(_strnicmp(argv[i], "-v", 2) == 0) {
1.1.1.17 root 2628: if(strlen(argv[i]) >= 5 && IS_NUMERIC(argv[i][2]) && argv[i][3] == '.' && IS_NUMERIC(argv[i][4]) && (argv[i][5] == '\0' || IS_NUMERIC(argv[i][5]))) {
1.1.1.30 root 2629: dos_major_version = argv[i][2] - '0';
2630: dos_minor_version = (argv[i][4] - '0') * 10 + (argv[i][5] ? (argv[i][5] - '0') : 0);
2631: }
2632: arg_offset++;
2633: } else if(_strnicmp(argv[i], "-w", 2) == 0) {
2634: if(strlen(argv[i]) >= 5 && IS_NUMERIC(argv[i][2]) && argv[i][3] == '.' && IS_NUMERIC(argv[i][4]) && (argv[i][5] == '\0' || IS_NUMERIC(argv[i][5]))) {
2635: win_major_version = argv[i][2] - '0';
2636: win_minor_version = (argv[i][4] - '0') * 10 + (argv[i][5] ? (argv[i][5] - '0') : 0);
1.1.1.9 root 2637: }
2638: arg_offset++;
1.1.1.25 root 2639: } else if(_strnicmp(argv[i], "-x", 2) == 0) {
2640: UMB_TOP = EMS_TOP + EMS_SIZE;
2641: support_ems = true;
2642: #ifdef SUPPORT_XMS
2643: support_xms = true;
2644: #endif
2645: arg_offset++;
1.1.1.9 root 2646: } else {
2647: break;
2648: }
2649: }
2650: if(argc < 2 + arg_offset) {
1.1 root 2651: #ifdef _WIN64
1.1.1.14 root 2652: fprintf(stderr, "MS-DOS Player (" CPU_MODEL_NAME(CPU_MODEL) ") for Win32-x64 console\n\n");
1.1 root 2653: #else
1.1.1.14 root 2654: fprintf(stderr, "MS-DOS Player (" CPU_MODEL_NAME(CPU_MODEL) ") for Win32 console\n\n");
1.1 root 2655: #endif
1.1.1.25 root 2656: fprintf(stderr,
1.1.1.28 root 2657: "Usage: MSDOS [-b] [-c[(new exec file)] [-p[P]]] [-d] [-e] [-i] [-m] [-n[L[,C]]]\n"
1.1.1.30 root 2658: " [-s[P1[,P2[,P3[,P4]]]]] [-vX.XX] [-wX.XX] [-x] (command) [options]\n"
1.1.1.25 root 2659: "\n"
2660: "\t-b\tstay busy during keyboard polling\n"
1.1.1.28 root 2661: #ifdef _WIN64
1.1.1.27 root 2662: "\t-c\tconvert command file to 64bit execution file\n"
1.1.1.28 root 2663: #else
1.1.1.27 root 2664: "\t-c\tconvert command file to 32bit execution file\n"
2665: #endif
1.1.1.28 root 2666: "\t-p\trecord current code page when convert command file\n"
1.1.1.25 root 2667: "\t-d\tpretend running under straight DOS, not Windows\n"
2668: "\t-e\tuse a reduced environment block\n"
2669: "\t-i\tignore invalid instructions\n"
2670: "\t-m\trestrict free memory to 0x7FFF paragraphs\n"
2671: "\t-n\tcreate a new buffer (25 lines, 80 columns by default)\n"
2672: "\t-s\tenable serial I/O and set host's COM port numbers\n"
2673: "\t-v\tset the DOS version\n"
1.1.1.30 root 2674: "\t-w\tset the Windows version\n"
1.1.1.19 root 2675: #ifdef SUPPORT_XMS
1.1.1.28 root 2676: "\t-x\tenable XMS and LIM EMS\n"
1.1.1.19 root 2677: #else
1.1.1.28 root 2678: "\t-x\tenable LIM EMS\n"
1.1.1.19 root 2679: #endif
2680: );
1.1.1.10 root 2681:
2682: if(!is_started_from_command_prompt()) {
2683: fprintf(stderr, "\nStart this program from a command prompt!\n\nHit any key to quit...");
2684: while(!_kbhit()) {
2685: Sleep(10);
2686: }
2687: }
1.1.1.20 root 2688: #ifdef _DEBUG
2689: _CrtDumpMemoryLeaks();
2690: #endif
1.1 root 2691: return(EXIT_FAILURE);
2692: }
1.1.1.27 root 2693: if(convert_cmd_file) {
2694: retval = EXIT_FAILURE;
1.1.1.28 root 2695: if(name != NULL/* && stricmp(name, "msdos.exe") == 0*/) {
1.1.1.27 root 2696: FILE *fp = NULL, *fs = NULL, *fo = NULL;
1.1.1.28 root 2697: int len = strlen(argv[arg_offset + 1]), data;
1.1.1.27 root 2698:
1.1.1.28 root 2699: if(!(len > 4 && (stricmp(argv[arg_offset + 1] + len - 4, ".COM") == 0 || stricmp(argv[arg_offset + 1] + len - 4, ".EXE") == 0))) {
2700: fprintf(stderr, "Specify command file with extenstion (.COM or .EXE)\n");
2701: } else if((fp = fopen(full, "rb")) == NULL) {
2702: fprintf(stderr, "Can't open '%s'\n", name);
1.1.1.27 root 2703: } else {
1.1.1.28 root 2704: long offset = get_section_in_exec_file(fp, ".msdos");
2705: if(offset != 0) {
2706: UINT8 buffer[14];
2707: fseek(fp, offset, SEEK_SET);
2708: fread(buffer, sizeof(buffer), 1, fp);
2709: memset(path, 0, sizeof(path));
2710: fread(path, buffer[9], 1, fp);
2711: fprintf(stderr, "Command file '%s' was already embedded to '%s'\n", path, name);
2712: } else if((fs = fopen(argv[arg_offset + 1], "rb")) == NULL) {
2713: fprintf(stderr, "Can't open '%s'\n", argv[arg_offset + 1]);
2714: } else if((fo = fopen(new_exec_file, "wb")) == NULL) {
2715: fprintf(stderr, "Can't open '%s'\n", new_exec_file);
2716: } else {
2717: // read pe header of msdos.exe
2718: UINT8 header[0x400];
2719: fseek(fp, 0, SEEK_SET);
2720: fread(header, sizeof(header), 1, fp);
2721:
2722: _IMAGE_DOS_HEADER *dosHeader = (_IMAGE_DOS_HEADER *)(header + 0);
2723: DWORD dwTopOfSignature = dosHeader->e_lfanew;
2724: DWORD dwTopOfCoffHeader = dwTopOfSignature + 4;
2725: _IMAGE_FILE_HEADER *coffHeader = (_IMAGE_FILE_HEADER *)(header + dwTopOfCoffHeader);
2726: DWORD dwTopOfOptionalHeader = dwTopOfCoffHeader + sizeof(_IMAGE_FILE_HEADER);
2727: _IMAGE_OPTIONAL_HEADER *optionalHeader = (_IMAGE_OPTIONAL_HEADER *)(header + dwTopOfOptionalHeader);
2728: DWORD dwTopOfFirstSectionHeader = dwTopOfOptionalHeader + coffHeader->SizeOfOptionalHeader;
2729:
2730: _IMAGE_SECTION_HEADER *lastSectionHeader = (_IMAGE_SECTION_HEADER *)(header + dwTopOfFirstSectionHeader + IMAGE_SIZEOF_SECTION_HEADER * (coffHeader->NumberOfSections - 1));
2731: DWORD dwEndOfFile = lastSectionHeader->PointerToRawData + lastSectionHeader->SizeOfRawData;
2732: DWORD dwLastSectionSize = lastSectionHeader->SizeOfRawData;
2733: DWORD dwExtraLastSectionBytes = dwLastSectionSize % optionalHeader->SectionAlignment;
2734: if(dwExtraLastSectionBytes != 0) {
2735: DWORD dwRemain = optionalHeader->SectionAlignment - dwExtraLastSectionBytes;
2736: dwLastSectionSize += dwRemain;
2737: }
2738: DWORD dwVirtualAddress = lastSectionHeader->VirtualAddress + dwLastSectionSize;
2739:
2740: // store msdos.exe
2741: fseek(fp, 0, SEEK_SET);
2742: for(int i = 0; i < dwEndOfFile; i++) {
2743: if((data = fgetc(fp)) != EOF) {
2744: fputc(data, fo);
2745: } else {
2746: // we should not reach here :-(
2747: fputc(0, fo);
2748: }
2749: }
2750:
2751: // store options
2752: UINT8 flags = 0;
2753: if(stay_busy) {
2754: flags |= 0x01;
2755: }
2756: if(no_windows) {
2757: flags |= 0x02;
2758: }
2759: if(standard_env) {
2760: flags |= 0x04;
2761: }
2762: if(ignore_illegal_insn) {
2763: flags |= 0x08;
2764: }
2765: if(limit_max_memory) {
2766: flags |= 0x10;
2767: }
1.1.1.29 root 2768: if(sio_port_number[0] != 0 || sio_port_number[1] != 0 || sio_port_number[2] != 0 || sio_port_number[3] != 0) {
1.1.1.28 root 2769: flags |= 0x20;
2770: }
2771: if(support_ems) {
2772: flags |= 0x40;
2773: }
1.1.1.30 root 2774: #ifdef SUPPORT_XMS
2775: if(support_xms) {
2776: flags |= 0x80;
2777: }
2778: #endif
1.1.1.28 root 2779:
2780: fputc(flags, fo);
2781: fputc((buf_width >> 0) & 0xff, fo);
2782: fputc((buf_width >> 8) & 0xff, fo);
2783: fputc((buf_height >> 0) & 0xff, fo);
2784: fputc((buf_height >> 8) & 0xff, fo);
1.1.1.30 root 2785: fputc(dos_major_version, fo);
2786: fputc(dos_minor_version, fo);
2787: fputc(win_major_version, fo);
2788: fputc(win_minor_version, fo);
1.1.1.28 root 2789: fputc((code_page >> 0) & 0xff, fo);
2790: fputc((code_page >> 8) & 0xff, fo);
2791:
2792: // store command file info
2793: GetFullPathName(argv[arg_offset + 1], MAX_PATH, full, &name);
2794: int name_len = strlen(name);
2795: fseek(fs, 0, SEEK_END);
2796: long file_size = ftell(fs);
2797:
2798: fputc(name_len, fo);
2799: fputc((file_size >> 0) & 0xff, fo);
2800: fputc((file_size >> 8) & 0xff, fo);
2801: fputc((file_size >> 16) & 0xff, fo);
2802: fputc((file_size >> 24) & 0xff, fo);
2803: fwrite(name, name_len, 1, fo);
2804:
2805: // store command file
2806: fseek(fs, 0, SEEK_SET);
2807: for(int i = 0; i < file_size; i++) {
2808: if((data = fgetc(fs)) != EOF) {
2809: fputc(data, fo);
2810: } else {
2811: // we should not reach here :-(
2812: fputc(0, fo);
2813: }
2814: }
2815:
2816: // store padding data and update pe header
1.1.1.29 root 2817: _IMAGE_SECTION_HEADER *newSectionHeader = (_IMAGE_SECTION_HEADER *)(header + dwTopOfFirstSectionHeader + IMAGE_SIZEOF_SECTION_HEADER * coffHeader->NumberOfSections);
2818: coffHeader->NumberOfSections++;
2819: memset(newSectionHeader, 0, IMAGE_SIZEOF_SECTION_HEADER);
2820: memcpy(newSectionHeader->Name, ".msdos", 6);
2821: newSectionHeader->VirtualAddress = dwVirtualAddress;
2822: newSectionHeader->PointerToRawData = dwEndOfFile;
2823: newSectionHeader->Characteristics = IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_DISCARDABLE;
1.1.1.28 root 2824: newSectionHeader->SizeOfRawData = 14 + name_len + file_size;
2825: DWORD dwExtraRawBytes = newSectionHeader->SizeOfRawData % optionalHeader->FileAlignment;
2826: if(dwExtraRawBytes != 0) {
1.1.1.29 root 2827: static const char padding[] = "PADDINGXXPADDING";
1.1.1.28 root 2828: DWORD dwRemain = optionalHeader->FileAlignment - dwExtraRawBytes;
2829: for(int i = 0; i < dwRemain; i++) {
1.1.1.29 root 2830: if(i < 2) {
2831: fputc(padding[i & 15], fo);
2832: } else {
2833: fputc(padding[(i - 2) & 15], fo);
2834: }
1.1.1.28 root 2835: }
2836: newSectionHeader->SizeOfRawData += dwRemain;
2837: }
2838: newSectionHeader->Misc.VirtualSize = newSectionHeader->SizeOfRawData;
2839:
2840: DWORD dwNewSectionSize = newSectionHeader->SizeOfRawData;
2841: DWORD dwExtraNewSectionBytes = dwNewSectionSize % optionalHeader->SectionAlignment;
2842: if(dwExtraNewSectionBytes != 0) {
2843: DWORD dwRemain = optionalHeader->SectionAlignment - dwExtraNewSectionBytes;
2844: dwNewSectionSize += dwRemain;
2845: }
2846: optionalHeader->SizeOfImage += dwNewSectionSize;
2847:
2848: fseek(fo, 0, SEEK_SET);
2849: fwrite(header, sizeof(header), 1, fo);
2850:
2851: fprintf(stderr, "'%s' is successfully created\n", new_exec_file);
2852: retval = EXIT_SUCCESS;
1.1.1.27 root 2853: }
2854: }
2855: if(fp != NULL) {
2856: fclose(fp);
2857: }
2858: if(fs != NULL) {
2859: fclose(fs);
2860: }
2861: if(fo != NULL) {
2862: fclose(fo);
2863: }
2864: }
2865: #ifdef _DEBUG
2866: _CrtDumpMemoryLeaks();
2867: #endif
2868: return(retval);
2869: }
1.1 root 2870:
1.1.1.54 root 2871: is_xp_64_or_later = is_greater_windows_version(5, 2, 0, 0);
1.1.1.14 root 2872: is_vista_or_later = is_greater_windows_version(6, 0, 0, 0);
2873:
1.1.1.23 root 2874: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 2875: CONSOLE_SCREEN_BUFFER_INFO csbi;
1.1.1.14 root 2876: CONSOLE_CURSOR_INFO ci;
1.1.1.56! root 2877: CONSOLE_FONT_INFO fi;
1.1.1.23 root 2878:
1.1.1.28 root 2879: get_console_info_success = (GetConsoleScreenBufferInfo(hStdout, &csbi) != 0);
1.1.1.14 root 2880: GetConsoleCursorInfo(hStdout, &ci);
1.1.1.24 root 2881: GetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), &dwConsoleMode);
1.1.1.56! root 2882: // get_console_font_success = (GetCurrentConsoleFont(hStdout, FALSE, &fi) != 0);
! 2883:
! 2884: HMODULE hLibrary = LoadLibrary(_T("Kernel32.dll"));
! 2885: if(hLibrary) {
! 2886: typedef BOOL (WINAPI* GetCurrentConsoleFontFunction)(HANDLE, BOOL, PCONSOLE_FONT_INFO);
! 2887: GetCurrentConsoleFontFunction lpfnGetCurrentConsoleFont = reinterpret_cast<GetCurrentConsoleFontFunction>(::GetProcAddress(hLibrary, "GetCurrentConsoleFont"));
! 2888: if(lpfnGetCurrentConsoleFont) {
! 2889: get_console_font_success = (lpfnGetCurrentConsoleFont(hStdout, FALSE, &fi) != 0);
! 2890: }
! 2891: FreeLibrary(hLibrary);
! 2892: }
1.1 root 2893:
1.1.1.14 root 2894: for(int y = 0; y < SCR_BUF_WIDTH; y++) {
2895: for(int x = 0; x < SCR_BUF_HEIGHT; x++) {
2896: SCR_BUF(y,x).Char.AsciiChar = ' ';
2897: SCR_BUF(y,x).Attributes = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
1.1 root 2898: }
2899: }
1.1.1.28 root 2900: if(get_console_info_success) {
1.1.1.12 root 2901: scr_width = csbi.dwSize.X;
1.1.1.14 root 2902: scr_height = csbi.srWindow.Bottom - csbi.srWindow.Top + 1;
2903:
1.1.1.28 root 2904: // v-text shadow buffer size must be lesser than 0x7fd0
2905: if((scr_width > SCR_BUF_WIDTH) || (scr_height > SCR_BUF_HEIGHT) || (scr_width * scr_height * 2 > 0x7fd0) ||
1.1.1.14 root 2906: (buf_width != 0 && buf_width != scr_width) || (buf_height != 0 && buf_height != scr_height)) {
2907: scr_width = min(buf_width != 0 ? buf_width : scr_width, SCR_BUF_WIDTH);
2908: scr_height = min(buf_height != 0 ? buf_height : scr_height, SCR_BUF_HEIGHT);
1.1.1.28 root 2909: if(scr_width * scr_height * 2 > 0x7fd0) {
1.1.1.14 root 2910: scr_width = 80;
2911: scr_height = 25;
2912: }
1.1.1.28 root 2913: screen_size_changed = true;
1.1.1.14 root 2914: }
1.1.1.12 root 2915: } else {
2916: // for a proof (not a console)
2917: scr_width = 80;
2918: scr_height = 25;
2919: }
1.1.1.14 root 2920: scr_buf_size.X = scr_width;
2921: scr_buf_size.Y = scr_height;
2922: scr_buf_pos.X = scr_buf_pos.Y = 0;
2923: scr_top = csbi.srWindow.Top;
1.1 root 2924: cursor_moved = false;
2925:
1.1.1.54 root 2926: SetPriorityClass(GetCurrentProcess(), ABOVE_NORMAL_PRIORITY_CLASS);
2927:
1.1.1.35 root 2928: #ifdef USE_SERVICE_THREAD
2929: InitializeCriticalSection(&input_crit_sect);
2930: InitializeCriticalSection(&key_buf_crit_sect);
2931: InitializeCriticalSection(&putch_crit_sect);
1.1.1.50 root 2932: main_thread_id = GetCurrentThreadId();
1.1.1.35 root 2933: #endif
1.1.1.50 root 2934:
1.1.1.25 root 2935: key_buf_char = new FIFO(256);
2936: key_buf_scan = new FIFO(256);
1.1 root 2937:
2938: hardware_init();
2939:
1.1.1.33 root 2940: #ifdef USE_DEBUGGER
2941: debugger_init();
2942: #endif
2943:
1.1.1.9 root 2944: if(msdos_init(argc - (arg_offset + 1), argv + (arg_offset + 1), envp, standard_env)) {
1.1 root 2945: retval = EXIT_FAILURE;
2946: } else {
1.1.1.27 root 2947: #if defined(_MSC_VER) && (_MSC_VER >= 1400)
1.1.1.14 root 2948: _set_invalid_parameter_handler((_invalid_parameter_handler)ignore_invalid_parameters);
2949: #endif
2950: SetConsoleCtrlHandler(ctrl_handler, TRUE);
2951:
1.1.1.28 root 2952: if(screen_size_changed) {
1.1.1.24 root 2953: change_console_size(scr_width, scr_height);
2954: }
1.1.1.8 root 2955: TIMECAPS caps;
2956: timeGetDevCaps(&caps, sizeof(TIMECAPS));
2957: timeBeginPeriod(caps.wPeriodMin);
1.1.1.35 root 2958: #ifdef USE_VRAM_THREAD
1.1.1.14 root 2959: InitializeCriticalSection(&vram_crit_sect);
2960: CloseHandle(CreateThread(NULL, 4096, vram_thread, NULL, 0, NULL));
2961: #endif
1.1.1.33 root 2962: #ifdef USE_DEBUGGER
2963: CloseHandle(CreateThread(NULL, 0, debugger_thread, NULL, 0, NULL));
2964: // wait until telnet client starts and connects to me
2965: if(_access(debugger_get_ttermpro_path(), 0) == 0 ||
2966: _access(debugger_get_ttermpro_x86_path(), 0) == 0 ||
2967: _access(debugger_get_putty_path(), 0) == 0 ||
2968: _access(debugger_get_putty_x86_path(), 0) == 0 ||
2969: _access(debugger_get_telnet_path(), 0) == 0) {
2970: for(int i = 0; i < 100 && cli_socket == 0; i++) {
2971: Sleep(100);
2972: }
2973: }
2974: #endif
1.1 root 2975: hardware_run();
1.1.1.35 root 2976: #ifdef USE_VRAM_THREAD
1.1.1.14 root 2977: vram_flush();
2978: DeleteCriticalSection(&vram_crit_sect);
2979: #endif
1.1.1.24 root 2980: timeEndPeriod(caps.wPeriodMin);
1.1.1.14 root 2981:
1.1.1.24 root 2982: // hStdin/hStdout (and all handles) will be closed in msdos_finish()...
1.1.1.56! root 2983: if(get_console_font_success) {
! 2984: hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
! 2985: set_console_font_size(hStdout, fi.dwFontSize.X, fi.dwFontSize.Y);
! 2986: }
1.1.1.28 root 2987: if(get_console_info_success) {
1.1.1.23 root 2988: hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.12 root 2989: if(restore_console_on_exit) {
1.1.1.14 root 2990: // window can't be bigger than buffer,
2991: // buffer can't be smaller than window,
2992: // so make a tiny window,
2993: // set the required buffer,
2994: // then set the required window
2995: SMALL_RECT rect;
2996: SET_RECT(rect, 0, csbi.srWindow.Top, 0, csbi.srWindow.Top);
2997: SetConsoleWindowInfo(hStdout, TRUE, &rect);
1.1.1.12 root 2998: SetConsoleScreenBufferSize(hStdout, csbi.dwSize);
1.1.1.14 root 2999: SET_RECT(rect, 0, 0, csbi.srWindow.Right - csbi.srWindow.Left, csbi.srWindow.Bottom - csbi.srWindow.Top);
1.1.1.12 root 3000: SetConsoleWindowInfo(hStdout, TRUE, &rect);
3001: }
1.1.1.14 root 3002: SetConsoleTextAttribute(hStdout, csbi.wAttributes);
3003: SetConsoleCursorInfo(hStdout, &ci);
1.1.1.12 root 3004: }
1.1.1.24 root 3005: SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), dwConsoleMode);
3006:
1.1 root 3007: msdos_finish();
1.1.1.14 root 3008:
3009: SetConsoleCtrlHandler(ctrl_handler, FALSE);
1.1 root 3010: }
1.1.1.35 root 3011: if(temp_file_created) {
3012: DeleteFile(temp_file_path);
3013: temp_file_created = false;
3014: }
1.1.1.10 root 3015: hardware_finish();
3016:
1.1.1.28 root 3017: if(key_buf_char != NULL) {
3018: key_buf_char->release();
3019: delete key_buf_char;
3020: key_buf_char = NULL;
3021: }
3022: if(key_buf_scan != NULL) {
3023: key_buf_scan->release();
3024: delete key_buf_scan;
3025: key_buf_scan = NULL;
3026: }
1.1.1.35 root 3027: #ifdef USE_SERVICE_THREAD
3028: DeleteCriticalSection(&input_crit_sect);
3029: DeleteCriticalSection(&key_buf_crit_sect);
3030: DeleteCriticalSection(&putch_crit_sect);
3031: #endif
1.1.1.20 root 3032: #ifdef _DEBUG
3033: _CrtDumpMemoryLeaks();
3034: #endif
1.1 root 3035: return(retval);
3036: }
3037:
1.1.1.20 root 3038: /* ----------------------------------------------------------------------------
3039: console
3040: ---------------------------------------------------------------------------- */
3041:
1.1.1.14 root 3042: void change_console_size(int width, int height)
1.1.1.12 root 3043: {
1.1.1.23 root 3044: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.12 root 3045: CONSOLE_SCREEN_BUFFER_INFO csbi;
3046: SMALL_RECT rect;
3047: COORD co;
3048:
3049: GetConsoleScreenBufferInfo(hStdout, &csbi);
1.1.1.14 root 3050: if(csbi.srWindow.Top != 0 || csbi.dwCursorPosition.Y > height - 1) {
3051: if(csbi.srWindow.Right - csbi.srWindow.Left + 1 == width && csbi.srWindow.Bottom - csbi.srWindow.Top + 1 == height) {
3052: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &csbi.srWindow);
3053: SET_RECT(rect, 0, 0, width - 1, height - 1);
3054: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
3055: } else if(csbi.dwCursorPosition.Y > height - 1) {
3056: SET_RECT(rect, 0, csbi.dwCursorPosition.Y - (height - 1), width - 1, csbi.dwCursorPosition.Y);
3057: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
3058: SET_RECT(rect, 0, 0, width - 1, height - 1);
3059: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1.1.12 root 3060: }
3061: }
1.1.1.14 root 3062: if(csbi.dwCursorPosition.Y > height - 1) {
1.1.1.12 root 3063: co.X = csbi.dwCursorPosition.X;
1.1.1.14 root 3064: co.Y = min(height - 1, csbi.dwCursorPosition.Y - csbi.srWindow.Top);
1.1.1.12 root 3065: SetConsoleCursorPosition(hStdout, co);
3066: cursor_moved = true;
3067: }
1.1.1.14 root 3068:
3069: // window can't be bigger than buffer,
3070: // buffer can't be smaller than window,
3071: // so make a tiny window,
3072: // set the required buffer,
3073: // then set the required window
3074: SET_RECT(rect, 0, csbi.srWindow.Top, 0, csbi.srWindow.Top);
1.1.1.12 root 3075: SetConsoleWindowInfo(hStdout, TRUE, &rect);
1.1.1.14 root 3076: co.X = width;
3077: co.Y = height;
1.1.1.12 root 3078: SetConsoleScreenBufferSize(hStdout, co);
1.1.1.14 root 3079: SET_RECT(rect, 0, 0, width - 1, height - 1);
3080: SetConsoleWindowInfo(hStdout, TRUE, &rect);
3081:
3082: scr_width = scr_buf_size.X = width;
3083: scr_height = scr_buf_size.Y = height;
3084: scr_top = 0;
3085:
3086: clear_scr_buffer(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
3087:
3088: int regen = min(scr_width * scr_height * 2, 0x8000);
1.1.1.15 root 3089: text_vram_end_address = text_vram_top_address + regen;
3090: shadow_buffer_end_address = shadow_buffer_top_address + regen;
3091:
1.1.1.14 root 3092: if(regen > 0x4000) {
3093: regen = 0x8000;
3094: vram_pages = 1;
3095: } else if(regen > 0x2000) {
3096: regen = 0x4000;
3097: vram_pages = 2;
3098: } else if(regen > 0x1000) {
3099: regen = 0x2000;
3100: vram_pages = 4;
3101: } else {
3102: regen = 0x1000;
3103: vram_pages = 8;
3104: }
1.1.1.15 root 3105: *(UINT16 *)(mem + 0x44a) = scr_width;
3106: *(UINT16 *)(mem + 0x44c) = regen;
3107: *(UINT8 *)(mem + 0x484) = scr_height - 1;
3108:
1.1.1.24 root 3109: mouse.min_position.x = 0;
3110: mouse.min_position.y = 0;
1.1.1.34 root 3111: mouse.max_position.x = 8 * (scr_width - 1);
3112: mouse.max_position.y = 8 * (scr_height - 1);
1.1.1.24 root 3113:
1.1.1.15 root 3114: restore_console_on_exit = true;
1.1.1.14 root 3115: }
3116:
3117: void clear_scr_buffer(WORD attr)
3118: {
3119: for(int y = 0; y < scr_height; y++) {
3120: for(int x = 0; x < scr_width; x++) {
3121: SCR_BUF(y,x).Char.AsciiChar = ' ';
3122: SCR_BUF(y,x).Attributes = attr;
3123: }
3124: }
1.1.1.12 root 3125: }
3126:
1.1.1.24 root 3127: bool update_console_input()
1.1 root 3128: {
1.1.1.35 root 3129: #ifdef USE_SERVICE_THREAD
3130: EnterCriticalSection(&input_crit_sect);
3131: #endif
1.1.1.23 root 3132: HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE);
1.1.1.8 root 3133: DWORD dwNumberOfEvents = 0;
1.1 root 3134: DWORD dwRead;
3135: INPUT_RECORD ir[16];
1.1.1.24 root 3136: CONSOLE_SCREEN_BUFFER_INFO csbi = {0};
3137: bool result = false;
1.1 root 3138:
1.1.1.8 root 3139: if(GetNumberOfConsoleInputEvents(hStdin, &dwNumberOfEvents) && dwNumberOfEvents != 0) {
3140: if(ReadConsoleInputA(hStdin, ir, 16, &dwRead)) {
3141: for(int i = 0; i < dwRead; i++) {
1.1.1.24 root 3142: if(ir[i].EventType & MOUSE_EVENT) {
1.1.1.34 root 3143: if(mouse.hidden == 0) {
3144: // NOTE: if restore_console_on_exit, console is not scrolled
3145: if(!restore_console_on_exit && csbi.srWindow.Bottom == 0) {
3146: GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
3147: }
3148: // FIXME: character size is always 8x8 ???
3149: int x = 8 * (ir[i].Event.MouseEvent.dwMousePosition.X);
3150: int y = 8 * (ir[i].Event.MouseEvent.dwMousePosition.Y - csbi.srWindow.Top);
3151:
3152: if(mouse.position.x != x || mouse.position.y != y) {
3153: mouse.position.x = x;
3154: mouse.position.y = y;
3155: mouse.status |= 1;
1.1.1.43 root 3156: mouse.status_alt |= 1;
1.1.1.34 root 3157: }
3158: }
3159: if(ir[i].Event.MouseEvent.dwEventFlags == 0) {
3160: for(int i = 0; i < MAX_MOUSE_BUTTONS; i++) {
3161: static const DWORD bits[] = {
3162: FROM_LEFT_1ST_BUTTON_PRESSED, // left
3163: RIGHTMOST_BUTTON_PRESSED, // right
3164: FROM_LEFT_2ND_BUTTON_PRESSED, // middle
3165: };
3166: bool prev_status = mouse.buttons[i].status;
3167: mouse.buttons[i].status = ((ir[i].Event.MouseEvent.dwButtonState & bits[i]) != 0);
3168:
3169: if(!prev_status && mouse.buttons[i].status) {
3170: mouse.buttons[i].pressed_times++;
3171: mouse.buttons[i].pressed_position.x = mouse.position.x;
3172: mouse.buttons[i].pressed_position.y = mouse.position.x;
1.1.1.43 root 3173: if(i < 2) {
3174: mouse.status_alt |= 2 << (i * 2);
3175: }
1.1.1.34 root 3176: mouse.status |= 2 << (i * 2);
3177: } else if(prev_status && !mouse.buttons[i].status) {
3178: mouse.buttons[i].released_times++;
3179: mouse.buttons[i].released_position.x = mouse.position.x;
3180: mouse.buttons[i].released_position.y = mouse.position.x;
1.1.1.43 root 3181: if(i < 2) {
3182: mouse.status_alt |= 4 << (i * 2);
3183: }
1.1.1.34 root 3184: mouse.status |= 4 << (i * 2);
1.1.1.14 root 3185: }
3186: }
3187: }
1.1.1.24 root 3188: } else if(ir[i].EventType & KEY_EVENT) {
1.1.1.33 root 3189: // update keyboard flags in bios data area
1.1.1.35 root 3190: if(ir[i].Event.KeyEvent.dwControlKeyState & CAPSLOCK_ON) {
3191: mem[0x417] |= 0x40;
1.1.1.33 root 3192: } else {
1.1.1.35 root 3193: mem[0x417] &= ~0x40;
1.1.1.33 root 3194: }
1.1.1.35 root 3195: if(ir[i].Event.KeyEvent.dwControlKeyState & NUMLOCK_ON) {
3196: mem[0x417] |= 0x20;
1.1.1.33 root 3197: } else {
1.1.1.35 root 3198: mem[0x417] &= ~0x20;
3199: }
3200: if(ir[i].Event.KeyEvent.dwControlKeyState & SCROLLLOCK_ON) {
3201: mem[0x417] |= 0x10;
3202: } else {
3203: mem[0x417] &= ~0x10;
1.1.1.33 root 3204: }
3205: if(ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED)) {
1.1.1.43 root 3206: if(mouse.buttons[0].status || mouse.buttons[1].status) {
3207: mouse.status_alt |= 0x80;
3208: }
1.1.1.33 root 3209: mem[0x417] |= 0x08;
3210: } else {
3211: mem[0x417] &= ~0x08;
3212: }
1.1.1.35 root 3213: if(ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED)) {
1.1.1.43 root 3214: if(mouse.buttons[0].status || mouse.buttons[1].status) {
3215: mouse.status_alt |= 0x40;
3216: }
1.1.1.35 root 3217: mem[0x417] |= 0x04;
1.1.1.33 root 3218: } else {
1.1.1.35 root 3219: mem[0x417] &= ~0x04;
1.1.1.33 root 3220: }
3221: if(ir[i].Event.KeyEvent.dwControlKeyState & SHIFT_PRESSED) {
1.1.1.43 root 3222: if(mouse.buttons[0].status || mouse.buttons[1].status) {
3223: mouse.status_alt |= 0x20;
3224: }
1.1.1.33 root 3225: if(!(mem[0x417] & 0x03)) {
3226: mem[0x417] |= 0x02; // left shift
3227: }
3228: } else {
3229: mem[0x417] &= ~0x03;
3230: }
1.1.1.35 root 3231: if(ir[i].Event.KeyEvent.dwControlKeyState & LEFT_ALT_PRESSED) {
3232: mem[0x418] |= 0x02;
3233: } else {
3234: mem[0x418] &= ~0x02;
3235: }
3236: if(ir[i].Event.KeyEvent.dwControlKeyState & LEFT_CTRL_PRESSED) {
3237: mem[0x418] |= 0x01;
3238: } else {
3239: mem[0x418] &= ~0x01;
3240: }
1.1.1.33 root 3241:
1.1.1.28 root 3242: // set scan code of last pressed/release key to kbd_data (in-port 60h)
1.1.1.24 root 3243: kbd_data = ir[i].Event.KeyEvent.wVirtualScanCode;
1.1.1.33 root 3244: kbd_status |= 1;
3245:
3246: // update dos key buffer
3247: UINT8 chr = ir[i].Event.KeyEvent.uChar.AsciiChar;
3248: UINT8 scn = ir[i].Event.KeyEvent.wVirtualScanCode & 0xff;
1.1.1.51 root 3249: UINT8 scn_old = scn;
1.1.1.33 root 3250:
3251: if(ir[i].Event.KeyEvent.bKeyDown) {
1.1.1.28 root 3252: // make
1.1.1.24 root 3253: kbd_data &= 0x7f;
3254:
1.1.1.33 root 3255: if(chr == 0x00) {
1.1.1.24 root 3256: if(ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED)) {
3257: if(scn >= 0x3b && scn <= 0x44) {
3258: scn += 0x68 - 0x3b; // F1 to F10
3259: } else if(scn == 0x57 || scn == 0x58) {
3260: scn += 0x8b - 0x57; // F11 & F12
3261: } else if(scn >= 0x47 && scn <= 0x53) {
3262: scn += 0x97 - 0x47; // edit/arrow clusters
3263: } else if(scn == 0x35) {
3264: scn = 0xa4; // keypad /
3265: }
3266: } else if(ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED)) {
3267: if(scn == 0x07) {
3268: chr = 0x1e; // Ctrl+^
3269: } else if(scn == 0x0c) {
3270: chr = 0x1f; // Ctrl+_
3271: } else if(scn >= 0x35 && scn <= 0x58) {
3272: static const UINT8 ctrl_map[] = {
3273: 0x95, // keypad /
3274: 0,
3275: 0x96, // keypad *
3276: 0, 0, 0,
3277: 0x5e, // F1
3278: 0x5f, // F2
3279: 0x60, // F3
3280: 0x61, // F4
3281: 0x62, // F5
3282: 0x63, // F6
3283: 0x64, // F7
3284: 0x65, // F8
3285: 0x66, // F9
3286: 0x67, // F10
3287: 0,
3288: 0,
3289: 0x77, // Home
3290: 0x8d, // Up
3291: 0x84, // PgUp
3292: 0x8e, // keypad -
3293: 0x73, // Left
3294: 0x8f, // keypad center
3295: 0x74, // Right
3296: 0x90, // keyapd +
3297: 0x75, // End
3298: 0x91, // Down
3299: 0x76, // PgDn
3300: 0x92, // Insert
3301: 0x93, // Delete
3302: 0, 0, 0,
3303: 0x89, // F11
3304: 0x8a, // F12
3305: };
3306: scn = ctrl_map[scn - 0x35];
3307: }
3308: } else if(ir[i].Event.KeyEvent.dwControlKeyState & SHIFT_PRESSED) {
3309: if(scn >= 0x3b && scn <= 0x44) {
3310: scn += 0x54 - 0x3b; // F1 to F10
3311: } else if(scn == 0x57 || scn == 0x58) {
3312: scn += 0x87 - 0x57; // F11 & F12
3313: }
3314: } else if(scn == 0x57 || scn == 0x58) {
3315: scn += 0x85 - 0x57;
3316: }
3317: // ignore shift, ctrl, alt, win and menu keys
1.1.1.51 root 3318: if(scn != 0x1d && scn != 0x2a && scn != 0x36 && scn != 0x38 && !(scn >= 0x5b && scn <= 0x5d && scn == scn_old)) {
1.1.1.32 root 3319: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 3320: #ifdef USE_SERVICE_THREAD
3321: EnterCriticalSection(&key_buf_crit_sect);
3322: #endif
1.1.1.32 root 3323: if(chr == 0) {
1.1.1.51 root 3324: pcbios_set_key_buffer(0x00, ir[i].Event.KeyEvent.dwControlKeyState & ENHANCED_KEY ? 0xe0 : 0x00);
1.1.1.32 root 3325: }
1.1.1.51 root 3326: pcbios_set_key_buffer(chr, scn);
1.1.1.35 root 3327: #ifdef USE_SERVICE_THREAD
3328: LeaveCriticalSection(&key_buf_crit_sect);
3329: #endif
1.1.1.24 root 3330: }
3331: }
3332: } else {
3333: if(ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED)) {
3334: chr = 0;
3335: if(scn >= 0x02 && scn <= 0x0e) {
3336: scn += 0x78 - 0x02; // 1 to 0 - =
3337: }
3338: }
1.1.1.32 root 3339: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 3340: #ifdef USE_SERVICE_THREAD
3341: EnterCriticalSection(&key_buf_crit_sect);
3342: #endif
1.1.1.51 root 3343: pcbios_set_key_buffer(chr, scn);
1.1.1.35 root 3344: #ifdef USE_SERVICE_THREAD
3345: LeaveCriticalSection(&key_buf_crit_sect);
3346: #endif
1.1.1.32 root 3347: }
1.1.1.24 root 3348: }
1.1.1.33 root 3349: } else if(chr == 0x03 && (ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED))) {
3350: // ctrl-break, ctrl-c
3351: if(scn == 0x46) {
3352: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 3353: #ifdef USE_SERVICE_THREAD
3354: EnterCriticalSection(&key_buf_crit_sect);
3355: #endif
1.1.1.51 root 3356: pcbios_set_key_buffer(0x00, 0x00);
1.1.1.35 root 3357: #ifdef USE_SERVICE_THREAD
3358: LeaveCriticalSection(&key_buf_crit_sect);
3359: #endif
1.1.1.33 root 3360: }
3361: ctrl_break_pressed = true;
3362: mem[0x471] = 0x80;
3363: raise_int_1bh = true;
3364: } else {
3365: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 3366: #ifdef USE_SERVICE_THREAD
3367: EnterCriticalSection(&key_buf_crit_sect);
3368: #endif
1.1.1.51 root 3369: pcbios_set_key_buffer(chr, scn);
1.1.1.35 root 3370: #ifdef USE_SERVICE_THREAD
3371: LeaveCriticalSection(&key_buf_crit_sect);
3372: #endif
1.1.1.33 root 3373: }
3374: ctrl_c_pressed = (scn == 0x2e);
3375: }
3376: } else {
3377: // break
3378: kbd_data |= 0x80;
1.1 root 3379: }
1.1.1.24 root 3380: result = key_changed = true;
1.1.1.36 root 3381: // IME may be on and it may causes screen scroll up and cursor position change
3382: cursor_moved = true;
1.1 root 3383: }
3384: }
3385: }
3386: }
1.1.1.35 root 3387: #ifdef USE_SERVICE_THREAD
3388: LeaveCriticalSection(&input_crit_sect);
3389: #endif
1.1.1.24 root 3390: return(result);
1.1.1.8 root 3391: }
3392:
1.1.1.14 root 3393: bool update_key_buffer()
1.1.1.8 root 3394: {
1.1.1.35 root 3395: if(update_console_input()) {
3396: return(true);
3397: }
3398: if(key_buf_char != NULL && key_buf_scan != NULL) {
3399: #ifdef USE_SERVICE_THREAD
3400: EnterCriticalSection(&key_buf_crit_sect);
3401: #endif
1.1.1.55 root 3402: bool empty = pcbios_is_key_buffer_empty();
1.1.1.35 root 3403: #ifdef USE_SERVICE_THREAD
3404: LeaveCriticalSection(&key_buf_crit_sect);
3405: #endif
3406: if(!empty) return(true);
3407: }
3408: return(false);
1.1.1.8 root 3409: }
3410:
1.1.1.20 root 3411: /* ----------------------------------------------------------------------------
3412: MS-DOS virtual machine
3413: ---------------------------------------------------------------------------- */
3414:
1.1.1.32 root 3415: static const struct {
1.1.1.33 root 3416: char *name;
3417: DWORD lcid;
3418: char *std;
3419: char *dlt;
3420: } tz_table[] = {
3421: // https://science.ksc.nasa.gov/software/winvn/userguide/3_1_4.htm
3422: // 0 GMT Greenwich Mean Time GMT0
3423: {"GMT Standard Time", 0x0809, "GMT", "BST"}, // (UTC+00:00) GB London (en-gb)
3424: {"GMT Standard Time", 0x1809, "GMT", "IST"}, // (UTC+00:00) IE Dublin (en-ie)
3425: {"GMT Standard Time", 0x0000, "WET", "WES"}, // (UTC+00:00) PT Lisbon
3426: {"Greenwich Standard Time", 0x0000, "GMT", "GST"}, // (UTC+00:00) IS Reykjavik
3427: // 2 FST FDT Fernando De Noronha Std FST2FDT
3428: {"Mid-Atlantic Standard Time", 0x0416, "FST", "FDT"}, // (UTC-02:00) BR Noronha (pt-br)
3429: {"UTC-02", 0x0416, "FST", "FDT"}, // (UTC-02:00) BR Noronha (pt-br)
3430: // 3 BST Brazil Standard Time BST3
3431: {"Bahia Standard Time", 0x0000, "BST", "BDT"}, // (UTC-03:00) BR Bahia
3432: {"SA Eastern Standard Time", 0x0000, "BST", "BDT"}, // (UTC-03:00) BR Fortaleza
3433: {"Tocantins Standard Time", 0x0000, "BST", "BDT"}, // (UTC-03:00) BR Palmas
3434: // 3 EST EDT Eastern Standard (Brazil) EST3EDT
3435: {"E. South America Standard Time", 0x0000, "EST", "EDT"}, // (UTC-03:00) BR Sao Paulo
3436: // 3 GST Greenland Standard Time GST3
3437: {"Greenland Standard Time", 0x0000, "GST", "GDT"}, // (UTC-03:00) GL Godthab
3438: // 3:30 NST NDT Newfoundland Standard Time NST3:30NDT
3439: {"Newfoundland Standard Time", 0x0000, "NST", "NDT"}, // (UTC-03:30) CA St.Johns
3440: // 4 AST ADT Atlantic Standard Time AST4ADT
3441: {"Atlantic Standard Time", 0x0000, "AST", "ADT"}, // (UTC-04:00) CA Halifax
3442: // 4 WST WDT Western Standard (Brazil) WST4WDT
3443: {"Central Brazilian Standard Time", 0x0000, "WST", "WDT"}, // (UTC-04:00) BR Cuiaba
3444: {"SA Western Standard Time", 0x0000, "WST", "WDT"}, // (UTC-04:00) BR Manaus
3445: // 5 EST EDT Eastern Standard Time EST5EDT
3446: {"Eastern Standard Time", 0x0000, "EST", "EDT"}, // (UTC-05:00) US New York
3447: {"Eastern Standard Time (Mexico)", 0x0000, "EST", "EDT"}, // (UTC-05:00) MX Cancun
3448: {"US Eastern Standard Time", 0x0000, "EST", "EDT"}, // (UTC-05:00) US Indianapolis
3449: // 5 CST CDT Chile Standard Time CST5CDT
3450: {"Pacific SA Standard Time", 0x0000, "CST", "CDT"}, // (UTC-04:00) CL Santiago
3451: // 5 AST ADT Acre Standard Time AST5ADT
3452: {"SA Pacific Standard Time", 0x0000, "AST", "ADT"}, // (UTC-05:00) BR Rio Branco
3453: // 5 CST CDT Cuba Standard Time CST5CDT
3454: {"Cuba Standard Time", 0x0000, "CST", "CDT"}, // (UTC-05:00) CU Havana
3455: // 6 CST CDT Central Standard Time CST6CDT
3456: {"Canada Central Standard Time", 0x0000, "CST", "CDT"}, // (UTC-06:00) CA Regina
3457: {"Central Standard Time", 0x0000, "CST", "CDT"}, // (UTC-06:00) US Chicago
3458: {"Central Standard Time (Mexico)", 0x0000, "CST", "CDT"}, // (UTC-06:00) MX Mexico City
3459: // 6 EST EDT Easter Island Standard EST6EDT
3460: {"Easter Island Standard Time", 0x0000, "EST", "EDT"}, // (UTC-06:00) CL Easter
3461: // 7 MST MDT Mountain Standard Time MST7MDT
3462: {"Mountain Standard Time", 0x0000, "MST", "MDT"}, // (UTC-07:00) US Denver
3463: {"Mountain Standard Time (Mexico)", 0x0000, "MST", "MDT"}, // (UTC-07:00) MX Chihuahua
3464: {"US Mountain Standard Time", 0x0000, "MST", "MDT"}, // (UTC-07:00) US Phoenix
3465: // 8 PST PDT Pacific Standard Time PST8PDT
3466: {"Pacific Standard Time", 0x0000, "PST", "PDT"}, // (UTC-08:00) US Los Angeles
3467: {"Pacific Standard Time (Mexico)", 0x0000, "PST", "PDT"}, // (UTC-08:00) MX Tijuana
3468: // 9 AKS AKD Alaska Standard Time AKS9AKD
3469: // 9 YST YDT Yukon Standard Time YST9YST
3470: {"Alaskan Standard Time", 0x0000, "AKS", "AKD"}, // (UTC-09:00) US Anchorage
3471: // 10 HST HDT Hawaii Standard Time HST10HDT
3472: {"Aleutian Standard Time", 0x0000, "HST", "HDT"}, // (UTC-10:00) US Aleutian
3473: {"Hawaiian Standard Time", 0x0000, "HST", "HDT"}, // (UTC-10:00) US Honolulu
3474: // 11 SST Samoa Standard Time SST11
3475: {"Samoa Standard Time", 0x0000, "SST", "SDT"}, // (UTC-11:00) US Samoa
3476: // -12 NZS NZD New Zealand Standard Time NZS-12NZD
3477: {"New Zealand Standard Time", 0x0000, "NZS", "NZD"}, // (UTC+12:00) NZ Auckland
3478: // -10 GST Guam Standard Time GST-10
3479: {"West Pacific Standard Time", 0x0000, "GST", "GDT"}, // (UTC+10:00) GU Guam
3480: // -10 EAS EAD Eastern Australian Standard EAS-10EAD
3481: {"AUS Eastern Standard Time", 0x0000, "EAS", "EAD"}, // (UTC+10:00) AU Sydney
3482: {"E. Australia Standard Time", 0x0000, "EAS", "EAD"}, // (UTC+10:00) AU Brisbane
3483: {"Tasmania Standard Time", 0x0000, "EAS", "EAD"}, // (UTC+10:00) AU Hobart
3484: // -9:30 CAS CAD Central Australian Standard CAS-9:30CAD
3485: {"AUS Central Standard Time", 0x0000, "CAS", "CAD"}, // (UTC+09:30) AU Darwin
3486: {"Cen. Australia Standard Time", 0x0000, "CAS", "CAD"}, // (UTC+09:30) AU Adelaide
3487: // -9 JST Japan Standard Time JST-9
3488: {"Tokyo Standard Time", 0x0000, "JST", "JDT"}, // (UTC+09:00) JP Tokyo
3489: // -9 KST KDT Korean Standard Time KST-9KDT
3490: {"Korea Standard Time", 0x0000, "KST", "KDT"}, // (UTC+09:00) KR Seoul
3491: {"North Korea Standard Time", 0x0000, "KST", "KDT"}, // (UTC+08:30) KP Pyongyang
3492: // -8 HKT Hong Kong Time HKT-8
3493: {"China Standard Time", 0x0C04, "HKT", "HKS"}, // (UTC+08:00) HK Hong Kong (zh-hk)
3494: // -8 CCT China Coast Time CCT-8
3495: {"China Standard Time", 0x0000, "CCT", "CDT"}, // (UTC+08:00) CN Shanghai
3496: {"Taipei Standard Time", 0x0000, "CCT", "CDT"}, // (UTC+08:00) TW Taipei
3497: // -8 SST Singapore Standard Time SST-8
3498: {"Singapore Standard Time", 0x0000, "SST", "SDT"}, // (UTC+08:00) SG Singapore
3499: // -8 WAS WAD Western Australian Standard WAS-8WAD
3500: {"Aus Central W. Standard Time", 0x0000, "WAS", "WAD"}, // (UTC+08:45) AU Eucla
3501: {"W. Australia Standard Time", 0x0000, "WAS", "WAD"}, // (UTC+08:00) AU Perth
3502: // -7:30 JT Java Standard Time JST-7:30
3503: // -7 NST North Sumatra Time NST-7
3504: {"SE Asia Standard Time", 0x0000, "NST", "NDT"}, // (UTC+07:00) ID Jakarta
3505: // -5:30 IST Indian Standard Time IST-5:30
3506: {"India Standard Time", 0x0000, "IST", "IDT"}, // (UTC+05:30) IN Calcutta
3507: // -3:30 IST IDT Iran Standard Time IST-3:30IDT
3508: {"Iran Standard Time", 0x0000, "IST", "IDT"}, // (UTC+03:30) IR Tehran
3509: // -3 MSK MSD Moscow Winter Time MSK-3MSD
3510: {"Belarus Standard Time", 0x0000, "MSK", "MSD"}, // (UTC+03:00) BY Minsk
3511: {"Russian Standard Time", 0x0000, "MSK", "MSD"}, // (UTC+03:00) RU Moscow
3512: // -2 EET Eastern Europe Time EET-2
3513: {"E. Europe Standard Time", 0x0000, "EET", "EES"}, // (UTC+02:00) MD Chisinau
3514: {"FLE Standard Time", 0x0000, "EET", "EES"}, // (UTC+02:00) UA Kiev
3515: {"GTB Standard Time", 0x0000, "EET", "EES"}, // (UTC+02:00) RO Bucharest
3516: {"Kaliningrad Standard Time", 0x0000, "EET", "EES"}, // (UTC+02:00) RU Kaliningrad
3517: // -2 IST IDT Israel Standard Time IST-2IDT
3518: {"Israel Standard Time", 0x0000, "IST", "IDT"}, // (UTC+02:00) IL Jerusalem
3519: // -1 MEZ MES Middle European Time MEZ-1MES
3520: // -1 SWT SST Swedish Winter Time SWT-1SST
3521: // -1 FWT FST French Winter Time FWT-1FST
3522: // -1 CET CES Central European Time CET-1CES
3523: {"Central Europe Standard Time", 0x0000, "CET", "CES"}, // (UTC+01:00) HU Budapest
3524: {"Central European Standard Time", 0x0000, "CET", "CES"}, // (UTC+01:00) PL Warsaw
3525: {"Romance Standard Time", 0x0000, "CET", "CES"}, // (UTC+01:00) FR Paris
3526: {"W. Europe Standard Time", 0x0000, "CET", "CES"}, // (UTC+01:00) DE Berlin
3527: // -1 WAT West African Time WAT-1
3528: {"Namibia Standard Time", 0x0000, "WAT", "WAS"}, // (UTC+01:00) NA Windhoek
3529: {"W. Central Africa Standard Time", 0x0000, "WAT", "WAS"}, // (UTC+01:00) NG Lagos
3530: // 0 UTC Universal Coordinated Time UTC0
3531: {"UTC", 0x0000, "UTC", "" }, // (UTC+00:00) GMT+0
3532: {"UTC-02", 0x0000, "UTC", "" }, // (UTC-02:00) GMT+2
3533: {"UTC-08", 0x0000, "UTC", "" }, // (UTC-08:00) GMT+8
3534: {"UTC-09", 0x0000, "UTC", "" }, // (UTC-09:00) GMT+9
3535: {"UTC-11", 0x0000, "UTC", "" }, // (UTC-11:00) GMT+11
3536: {"UTC+12", 0x0000, "UTC", "" }, // (UTC+12:00) GMT-12
3537: };
3538:
1.1.1.53 root 3539: // FIXME: consider to build on non-Japanese environment :-(
3540: // message_japanese string must be in shift-jis
3541:
1.1.1.33 root 3542: static const struct {
1.1.1.32 root 3543: UINT16 code;
3544: char *message_english;
3545: char *message_japanese;
3546: } standard_error_table[] = {
3547: {0x01, "Invalid function", "�����ȃt�@���N�V�����ł�."},
3548: {0x02, "File not found", "�t�@�C����������܂���."},
3549: {0x03, "Path not found", "�p�X��������܂���."},
3550: {0x04, "Too many open files", "�J����Ă���t�@�C�����������܂�."},
3551: {0x05, "Access denied", "�A�N�Z�X�͋��ۂ���܂���."},
3552: {0x06, "Invalid handle", "�����ȃn���h���ł�."},
3553: {0x07, "Memory control blocks destroyed", "����������u���b�N���j������܂���."},
3554: {0x08, "Insufficient memory", "������������܂���."},
3555: {0x09, "Invalid memory block address", "�����ȃ������u���b�N�̃A�h���X�ł�."},
3556: {0x0A, "Invalid Environment", "�����Ȋ��ł�."},
3557: {0x0B, "Invalid format", "�����ȃt�H�[�}�b�g�ł�."},
3558: {0x0C, "Invalid function parameter", "�����ȃt�@���N�V�����p�����[�^�ł�."},
3559: {0x0D, "Invalid data", "�����ȃf�[�^�ł�."},
3560: {0x0F, "Invalid drive specification", "�����ȃh���C�u�̎w��ł�."},
3561: {0x10, "Attempt to remove current directory", "���݂̃f�B���N�g�����폜���悤�Ƃ��܂���."},
3562: {0x11, "Not same device", "�����f�o�C�X�ł͂���܂���."},
3563: {0x12, "No more files", "�t�@�C���͂���ȏ゠��܂���."},
3564: {0x13, "Write protect error", "�������ݕی�G���[�ł�."},
3565: {0x14, "Invalid unit", "�����ȃ��j�b�g�ł�."},
3566: {0x15, "Not ready", "�������ł��Ă��܂���."},
3567: {0x16, "Invalid device request", "�����ȃf�o�C�X�v���ł�."},
3568: {0x17, "Data error", "�f�[�^�G���[�ł�."},
3569: {0x18, "Invalid device request parameters", "�����ȃf�o�C�X�v���̃p�����[�^�ł�."},
3570: {0x19, "Seek error", "�V�[�N�G���[�ł�."},
3571: {0x1A, "Invalid media type", "�����ȃ��f�B�A�̎�ނł�."},
3572: {0x1B, "Sector not found", "�Z�N�^��������܂���."},
3573: {0x1C, "Printer out of paper error", "�v�����^�̗p��������܂���."},
3574: {0x1D, "Write fault error", "�������݃G���[�ł�."},
3575: {0x1E, "Read fault error", "�ǂݎ��G���[�ł�."},
3576: {0x1F, "General failure", "�G���[�ł�."},
3577: {0x20, "Sharing violation", "���L�ᔽ�ł�."},
3578: {0x21, "Lock violation", "���b�N�ᔽ�ł�."},
3579: {0x22, "Invalid disk change", "�����ȃf�B�X�N�̌����ł�."},
3580: {0x23, "FCB unavailable", "FCB �͎g���܂���."},
3581: {0x24, "System resource exhausted", "�V�X�e�����\�[�X�͂����g���܂���."},
3582: {0x25, "Code page mismatch", "�R�[�h �y�[�W����v���܂���."},
3583: {0x26, "Out of input", "���͂��I���܂���."},
3584: {0x27, "Insufficient disk space", "�f�B�X�N�̋̈悪����܂���."},
3585: /*
3586: {0x32, "Network request not supported", NULL},
3587: {0x33, "Remote computer not listening", NULL},
3588: {0x34, "Duplicate name on network", NULL},
3589: {0x35, "Network name not found", NULL},
3590: {0x36, "Network busy", NULL},
3591: {0x37, "Network device no longer exists", NULL},
3592: {0x38, "Network BIOS command limit exceeded", NULL},
3593: {0x39, "Network adapter hardware error", NULL},
3594: {0x3A, "Incorrect response from network", NULL},
3595: {0x3B, "Unexpected network error", NULL},
3596: {0x3C, "Incompatible remote adapter", NULL},
3597: {0x3D, "Print queue full", NULL},
3598: {0x3E, "Queue not full", NULL},
3599: {0x3F, "Not enough space to print file", NULL},
3600: {0x40, "Network name was deleted", NULL},
3601: {0x41, "Network: Access denied", NULL},
3602: {0x42, "Network device type incorrect", NULL},
3603: {0x43, "Network name not found", NULL},
3604: {0x44, "Network name limit exceeded", NULL},
3605: {0x45, "Network BIOS session limit exceeded", NULL},
3606: {0x46, "Temporarily paused", NULL},
3607: {0x47, "Network request not accepted", NULL},
3608: {0x48, "Network print/disk redirection paused", NULL},
3609: {0x49, "Network software not installed", NULL},
3610: {0x4A, "Unexpected adapter close", NULL},
3611: */
3612: {0x50, "File exists", "�t�@�C���͑��݂��܂�."},
1.1.1.33 root 3613: {0x52, "Cannot make directory entry", "�f�B���N�g���G���g�����쐬�ł��܂���."},
1.1.1.32 root 3614: {0x53, "Fail on INT 24", "INT 24 �Ŏ��s���܂���."},
3615: {0x54, "Too many redirections", "���_�C���N�g���������܂�."},
3616: {0x55, "Duplicate redirection", "���_�C���N�g���d�����Ă��܂�."},
3617: {0x56, "Invalid password", "�p�X���[�h���Ⴂ�܂�."},
3618: {0x57, "Invalid parameter", "�p�����[�^�̎w�肪�Ⴂ�܂�."},
3619: {0x58, "Network data fault", "�l�b�g���[�N�f�[�^�̃G���[�ł�."},
3620: {0x59, "Function not supported by network", "�t�@���N�V�����̓l�b�g���[�N�ŃT�|�[�g����Ă��܂���."},
3621: {0x5A, "Required system component not installe", "�K�v�ȃV�X�e�� �R���|�[�l���g���g�ݍ��܂�Ă��܂���."},
1.1.1.53 root 3622: #ifdef SUPPORT_MSCDEX
1.1.1.32 root 3623: {0x64, "Unknown error", "�s���ȃG���[�ł�."},
3624: {0x65, "Not ready", "�������ł��Ă��܂���."},
3625: {0x66, "EMS memory no longer valid", "EMS �������͂����L���ł͂���܂���."},
3626: {0x67, "CDROM not High Sierra or ISO-9660 format", "CDROM �� High Sierra �܂��� ISO-9660 �t�H�[�}�b�g�ł͂���܂���."},
3627: {0x68, "Door open", "���o�[���܂��Ă��܂���."
1.1.1.53 root 3628: #endif
1.1.1.32 root 3629: {0xB0, "Volume is not locked", "�{�����[�������b�N����Ă��܂���."},
3630: {0xB1, "Volume is locked in drive", "�{�����[�������b�N����Ă��܂�."},
3631: {0xB2, "Volume is not removable", "�{�����[���͎��O���ł��܂���."},
3632: {0xB4, "Lock count has been exceeded", "�{�����[��������ȏネ�b�N�ł��܂���."},
3633: {0xB5, "A valid eject request failed", "���o���Ɏ��s���܂���."},
3634: {-1 , "Unknown error", "�s���ȃG���[�ł�."},
3635: };
3636:
3637: static const struct {
3638: UINT16 code;
3639: char *message_english;
3640: char *message_japanese;
3641: } param_error_table[] = {
3642: {0x01, "Too many parameters", "�p�����[�^���������܂�."},
3643: {0x02, "Required parameter missing", "�p�����[�^������܂���."},
3644: {0x03, "Invalid switch", "�����ȃX�C�b�`�ł�."},
3645: {0x04, "Invalid keyword", "�����ȃL�[���[�h�ł�."},
3646: {0x06, "Parameter value not in allowed range", "�p�����[�^�̒l���͈͂��Ă��܂�."},
3647: {0x07, "Parameter value not allowed", "���̃p�����[�^�̒l�͎g���܂���."},
3648: {0x08, "Parameter value not allowed", "���̃p�����[�^�̒l�͎g���܂���."},
3649: {0x09, "Parameter format not correct", "�p�����[�^�̏������Ⴂ�܂�."},
3650: {0x0A, "Invalid parameter", "�����ȃp�����[�^�ł�."},
3651: {0x0B, "Invalid parameter combination", "�����ȃp�����[�^�̑g�ݍ��킹�ł�."},
3652: {-1 , "Unknown error", "�s���ȃG���[�ł�."},
3653: };
3654:
3655: static const struct {
3656: UINT16 code;
3657: char *message_english;
3658: char *message_japanese;
3659: } critical_error_table[] = {
3660: {0x00, "Write protect error", "�������ݕی�G���[�ł�."},
3661: {0x01, "Invalid unit", "�����ȃ��j�b�g�ł�."},
3662: {0x02, "Not ready", "�������ł��Ă��܂���."},
3663: {0x03, "Invalid device request", "�����ȃf�o�C�X�v���ł�."},
3664: {0x04, "Data error", "�f�[�^�G���[�ł�."},
3665: {0x05, "Invalid device request parameters", "�����ȃf�o�C�X�v���̃p�����[�^�ł�."},
3666: {0x06, "Seek error", "�V�[�N�G���[�ł�."},
3667: {0x07, "Invalid media type", "�����ȃ��f�B�A�̎�ނł�."},
3668: {0x08, "Sector not found", "�Z�N�^��������܂���."},
3669: {0x09, "Printer out of paper error", "�v�����^�̗p��������܂���."},
3670: {0x0A, "Write fault error", "�������݃G���[�ł�."},
3671: {0x0B, "Read fault error", "�ǂݎ��G���[�ł�."},
3672: {0x0C, "General failure", "�G���[�ł�."},
3673: {0x0D, "Sharing violation", "���L�ᔽ�ł�."},
3674: {0x0E, "Lock violation", "���b�N�ᔽ�ł�."},
3675: {0x0F, "Invalid disk change", "�����ȃf�B�X�N�̌����ł�."},
3676: {0x10, "FCB unavailable", "FCB �͎g���܂���."},
3677: {0x11, "System resource exhausted", "�V�X�e�����\�[�X�͂����g���܂���."},
3678: {0x12, "Code page mismatch", "�R�[�h �y�[�W����v���܂���."},
3679: {0x13, "Out of input", "���͂��I���܂���."},
3680: {0x14, "Insufficient disk space", "�f�B�X�N�̋̈悪����܂���."},
3681: {-1 , "Critical error", "�v���I�ȃG���[�ł�."},
3682: };
3683:
1.1.1.20 root 3684: void msdos_psp_set_file_table(int fd, UINT8 value, int psp_seg);
3685: int msdos_psp_get_file_table(int fd, int psp_seg);
3686: void msdos_putch(UINT8 data);
1.1.1.50 root 3687: void msdos_putch_fast(UINT8 data);
1.1.1.35 root 3688: #ifdef USE_SERVICE_THREAD
3689: void msdos_putch_tmp(UINT8 data);
3690: #endif
1.1.1.45 root 3691: const char *msdos_short_path(const char *path);
1.1.1.44 root 3692: bool msdos_is_valid_drive(int drv);
3693: bool msdos_is_removable_drive(int drv);
3694: bool msdos_is_cdrom_drive(int drv);
3695: bool msdos_is_remote_drive(int drv);
3696: bool msdos_is_subst_drive(int drv);
1.1.1.20 root 3697:
1.1 root 3698: // process info
3699:
3700: process_t *msdos_process_info_create(UINT16 psp_seg)
3701: {
3702: for(int i = 0; i < MAX_PROCESS; i++) {
3703: if(process[i].psp == 0 || process[i].psp == psp_seg) {
3704: memset(&process[i], 0, sizeof(process_t));
3705: process[i].psp = psp_seg;
3706: return(&process[i]);
3707: }
3708: }
3709: fatalerror("too many processes\n");
3710: return(NULL);
3711: }
3712:
1.1.1.52 root 3713: process_t *msdos_process_info_get(UINT16 psp_seg, bool show_error = true)
1.1 root 3714: {
3715: for(int i = 0; i < MAX_PROCESS; i++) {
3716: if(process[i].psp == psp_seg) {
3717: return(&process[i]);
3718: }
3719: }
1.1.1.33 root 3720: if(show_error) {
3721: fatalerror("invalid psp address\n");
3722: }
1.1 root 3723: return(NULL);
3724: }
3725:
1.1.1.23 root 3726: void msdos_sda_update(int psp_seg)
3727: {
3728: sda_t *sda = (sda_t *)(mem + SDA_TOP);
3729:
3730: for(int i = 0; i < MAX_PROCESS; i++) {
3731: if(process[i].psp == psp_seg) {
3732: sda->switchar = process[i].switchar;
3733: sda->current_dta.w.l = process[i].dta.w.l;
3734: sda->current_dta.w.h = process[i].dta.w.h;
3735: sda->current_psp = process[i].psp;
3736: break;
3737: }
3738: }
3739: sda->malloc_strategy = malloc_strategy;
3740: sda->return_code = retval;
3741: sda->current_drive = _getdrive();
3742: }
3743:
1.1.1.13 root 3744: // dta info
3745:
3746: void msdos_dta_info_init()
3747: {
1.1.1.14 root 3748: for(int i = 0; i < MAX_DTAINFO; i++) {
1.1.1.13 root 3749: dtalist[i].find_handle = INVALID_HANDLE_VALUE;
3750: }
3751: }
3752:
3753: dtainfo_t *msdos_dta_info_get(UINT16 psp_seg, UINT32 dta_laddr)
3754: {
3755: dtainfo_t *free_dta = NULL;
1.1.1.14 root 3756: for(int i = 0; i < MAX_DTAINFO; i++) {
3757: if(dtalist[i].find_handle == INVALID_HANDLE_VALUE) {
3758: if(free_dta == NULL) {
1.1.1.13 root 3759: free_dta = &dtalist[i];
3760: }
1.1.1.14 root 3761: } else if(dta_laddr < LFN_DTA_LADDR && dtalist[i].dta == dta_laddr) {
1.1.1.13 root 3762: return(&dtalist[i]);
3763: }
3764: }
1.1.1.14 root 3765: if(free_dta) {
1.1.1.13 root 3766: free_dta->psp = psp_seg;
3767: free_dta->dta = dta_laddr;
3768: return(free_dta);
3769: }
3770: fatalerror("too many dta\n");
3771: return(NULL);
3772: }
3773:
3774: void msdos_dta_info_free(UINT16 psp_seg)
3775: {
1.1.1.14 root 3776: for(int i = 0; i < MAX_DTAINFO; i++) {
3777: if(dtalist[i].psp == psp_seg && dtalist[i].find_handle != INVALID_HANDLE_VALUE) {
1.1.1.13 root 3778: FindClose(dtalist[i].find_handle);
3779: dtalist[i].find_handle = INVALID_HANDLE_VALUE;
3780: }
3781: }
3782: }
3783:
1.1 root 3784: void msdos_cds_update(int drv)
3785: {
1.1.1.44 root 3786: cds_t *cds = (cds_t *)(mem + CDS_TOP + 88 * drv);
1.1 root 3787:
1.1.1.44 root 3788: memset(cds, 0, 88);
3789:
3790: if(msdos_is_valid_drive(drv)) {
3791: char path[MAX_PATH];
3792: if(msdos_is_remote_drive(drv)) {
3793: cds->drive_attrib = 0xc000; // network drive
3794: } else if(msdos_is_subst_drive(drv)) {
3795: cds->drive_attrib = 0x5000; // subst drive
3796: } else {
3797: cds->drive_attrib = 0x4000; // physical drive
3798: }
3799: if(_getdcwd(drv + 1, path, MAX_PATH) != NULL) {
3800: strcpy_s(cds->path_name, sizeof(cds->path_name), msdos_short_path(path));
3801: }
3802: }
3803: if(cds->path_name[0] == '\0') {
3804: sprintf(cds->path_name, "%c:\\", 'A' + drv);
3805: }
3806: cds->dpb_ptr.w.h = DPB_TOP >> 4;
3807: cds->dpb_ptr.w.l = sizeof(dpb_t) * drv;
3808: cds->word_1 = cds->word_2 = 0xffff;
3809: cds->word_3 = 0xffff; // stored user data from INT 21/AX=5F03h if this is network drive
3810: cds->bs_offset = 2;
3811: }
3812:
1.1.1.45 root 3813: void msdos_cds_update(int drv, const char *path)
1.1.1.44 root 3814: {
3815: cds_t *cds = (cds_t *)(mem + CDS_TOP + 88 * drv);
3816:
3817: strcpy_s(cds->path_name, sizeof(cds->path_name), msdos_short_path(path));
1.1 root 3818: }
3819:
1.1.1.17 root 3820: // nls information tables
3821:
3822: // uppercase table (func 6502h)
3823: void msdos_upper_table_update()
3824: {
3825: *(UINT16 *)(mem + UPPERTABLE_TOP) = 0x80;
1.1.1.22 root 3826: for(unsigned i = 0; i < 0x80; ++i) {
1.1.1.17 root 3827: UINT8 c[4];
1.1.1.33 root 3828: *(UINT32 *)c = 0; // reset internal conversion state
3829: CharUpperBuffA((LPSTR)c, 4); // (workaround for MBCS codepage)
1.1.1.17 root 3830: c[0] = 0x80 + i;
3831: DWORD rc = CharUpperBuffA((LPSTR)c, 1);
3832: mem[UPPERTABLE_TOP + 2 + i] = (rc == 1 && c[0]) ? c[0] : 0x80 + i;
3833: }
3834: }
3835:
1.1.1.23 root 3836: // lowercase table (func 6503h)
3837: void msdos_lower_table_update()
3838: {
3839: *(UINT16 *)(mem + LOWERTABLE_TOP) = 0x80;
3840: for(unsigned i = 0; i < 0x80; ++i) {
3841: UINT8 c[4];
1.1.1.33 root 3842: *(UINT32 *)c = 0; // reset internal conversion state
3843: CharLowerBuffA((LPSTR)c, 4); // (workaround for MBCS codepage)
1.1.1.23 root 3844: c[0] = 0x80 + i;
3845: DWORD rc = CharLowerBuffA((LPSTR)c, 1);
3846: mem[LOWERTABLE_TOP + 2 + i] = (rc == 1 && c[0]) ? c[0] : 0x80 + i;
3847: }
3848: }
3849:
1.1.1.17 root 3850: // filename uppercase table (func 6504h)
3851: void msdos_filename_upper_table_init()
3852: {
3853: // depended on (file)system, not on active codepage
3854: // temporary solution: just filling data
3855: *(UINT16 *)(mem + FILENAME_UPPERTABLE_TOP) = 0x80;
1.1.1.22 root 3856: for(unsigned i = 0; i < 0x80; ++i) {
1.1.1.17 root 3857: mem[FILENAME_UPPERTABLE_TOP + 2 + i] = 0x80 + i;
3858: }
3859: }
3860:
3861: // filaname terminator table (func 6505h)
3862: void msdos_filename_terminator_table_init()
3863: {
3864: const char illegal_chars[] = ".\"/\\[]:|<>+=;,"; // for standard MS-DOS fs.
3865: UINT8 *data = mem + FILENAME_TERMINATOR_TOP;
3866:
3867: data[2] = 1; // marker? (permissible character value)
3868: data[3] = 0x00; // 00h...FFh
3869: data[4] = 0xff;
3870: data[5] = 0; // marker? (excluded character)
3871: data[6] = 0x00; // 00h...20h
3872: data[7] = 0x20;
3873: data[8] = 2; // marker? (illegal characters for filename)
3874: data[9] = (UINT8)strlen(illegal_chars);
3875: memcpy(data + 10, illegal_chars, data[9]);
3876:
3877: // total length
3878: *(UINT16 *)data = (10 - 2) + data[9];
3879: }
3880:
3881: // collating table (func 6506h)
3882: void msdos_collating_table_update()
3883: {
3884: // temporary solution: just filling data
3885: *(UINT16 *)(mem + COLLATING_TABLE_TOP) = 0x100;
1.1.1.22 root 3886: for(unsigned i = 0; i < 256; ++i) {
1.1.1.17 root 3887: mem[COLLATING_TABLE_TOP + 2 + i] = i;
3888: }
3889: }
3890:
1.1 root 3891: // dbcs
3892:
3893: void msdos_dbcs_table_update()
3894: {
3895: UINT8 dbcs_data[DBCS_SIZE];
3896: memset(dbcs_data, 0, sizeof(dbcs_data));
3897:
3898: CPINFO info;
3899: GetCPInfo(active_code_page, &info);
3900:
3901: if(info.MaxCharSize != 1) {
3902: for(int i = 0;; i += 2) {
3903: UINT8 lo = info.LeadByte[i + 0];
3904: UINT8 hi = info.LeadByte[i + 1];
3905: dbcs_data[2 + i + 0] = lo;
3906: dbcs_data[2 + i + 1] = hi;
3907: if(lo == 0 && hi == 0) {
3908: dbcs_data[0] = i + 2;
3909: break;
3910: }
3911: }
3912: } else {
3913: dbcs_data[0] = 2; // ???
3914: }
3915: memcpy(mem + DBCS_TOP, dbcs_data, sizeof(dbcs_data));
3916: }
3917:
1.1.1.17 root 3918: void msdos_dbcs_table_finish()
3919: {
1.1.1.32 root 3920: if(system_code_page != _getmbcp()) {
1.1.1.17 root 3921: _setmbcp(system_code_page);
3922: }
1.1.1.32 root 3923: if(console_code_page != GetConsoleCP()) {
3924: SetConsoleCP(console_code_page);
3925: SetConsoleOutputCP(console_code_page);
3926: }
1.1.1.17 root 3927: }
3928:
3929: void msdos_nls_tables_init()
1.1 root 3930: {
1.1.1.32 root 3931: active_code_page = console_code_page = GetConsoleCP();
3932: system_code_page = _getmbcp();
3933:
3934: if(active_code_page != system_code_page) {
3935: if(_setmbcp(active_code_page) != 0) {
3936: active_code_page = system_code_page;
3937: }
3938: }
3939:
1.1.1.17 root 3940: msdos_upper_table_update();
1.1.1.23 root 3941: msdos_lower_table_update();
1.1.1.17 root 3942: msdos_filename_terminator_table_init();
3943: msdos_filename_upper_table_init();
3944: msdos_collating_table_update();
1.1 root 3945: msdos_dbcs_table_update();
3946: }
3947:
1.1.1.17 root 3948: void msdos_nls_tables_update()
1.1 root 3949: {
1.1.1.17 root 3950: msdos_dbcs_table_update();
3951: msdos_upper_table_update();
1.1.1.23 root 3952: msdos_lower_table_update();
3953: // msdos_collating_table_update();
1.1 root 3954: }
3955:
3956: int msdos_lead_byte_check(UINT8 code)
3957: {
3958: UINT8 *dbcs_table = mem + DBCS_TABLE;
3959:
3960: for(int i = 0;; i += 2) {
3961: UINT8 lo = dbcs_table[i + 0];
3962: UINT8 hi = dbcs_table[i + 1];
3963: if(lo == 0 && hi == 0) {
3964: break;
3965: }
3966: if(lo <= code && code <= hi) {
3967: return(1);
3968: }
3969: }
3970: return(0);
3971: }
3972:
1.1.1.20 root 3973: int msdos_ctrl_code_check(UINT8 code)
3974: {
1.1.1.22 root 3975: return (code >= 0x01 && code <= 0x1a && code != 0x07 && code != 0x08 && code != 0x09 && code != 0x0a && code != 0x0d);
1.1.1.20 root 3976: }
3977:
1.1.1.36 root 3978: int msdos_kanji_2nd_byte_check(UINT8 *buf, int n)
3979: {
3980: int is_kanji_1st = 0;
3981: int is_kanji_2nd = 0;
3982:
3983: for(int p = 0;; p++) {
3984: if(is_kanji_1st) {
3985: is_kanji_1st = 0;
3986: is_kanji_2nd = 1;
3987: } else if(msdos_lead_byte_check(buf[p])) {
3988: is_kanji_1st = 1;
3989: }
3990: if(p == n) {
3991: return(is_kanji_2nd);
3992: }
3993: is_kanji_2nd = 0;
3994: }
3995: }
3996:
1.1 root 3997: // file control
3998:
1.1.1.45 root 3999: const char *msdos_remove_double_quote(const char *path)
1.1.1.14 root 4000: {
4001: static char tmp[MAX_PATH];
4002:
4003: if(strlen(path) >= 2 && path[0] == '"' && path[strlen(path) - 1] == '"') {
1.1.1.45 root 4004: memset(tmp, 0, sizeof(tmp));
1.1.1.14 root 4005: memcpy(tmp, path + 1, strlen(path) - 2);
4006: } else {
4007: strcpy(tmp, path);
4008: }
4009: return(tmp);
4010: }
4011:
1.1.1.45 root 4012: const char *msdos_remove_end_separator(const char *path)
1.1.1.32 root 4013: {
4014: static char tmp[MAX_PATH];
4015:
4016: strcpy(tmp, path);
1.1.1.45 root 4017:
4018: // for example "C:\" case, the end separator should not be removed
4019: if(strlen(tmp) > 3 && tmp[strlen(tmp) - 1] == '\\') {
4020: tmp[strlen(tmp) - 1] = '\0';
1.1.1.32 root 4021: }
4022: return(tmp);
4023: }
4024:
1.1.1.45 root 4025: const char *msdos_combine_path(const char *dir, const char *file)
1.1.1.14 root 4026: {
4027: static char tmp[MAX_PATH];
1.1.1.45 root 4028: const char *tmp_dir = msdos_remove_double_quote(dir);
1.1.1.14 root 4029:
4030: if(strlen(tmp_dir) == 0) {
4031: strcpy(tmp, file);
4032: } else if(tmp_dir[strlen(tmp_dir) - 1] == '\\') {
4033: sprintf(tmp, "%s%s", tmp_dir, file);
4034: } else {
4035: sprintf(tmp, "%s\\%s", tmp_dir, file);
4036: }
4037: return(tmp);
4038: }
4039:
1.1.1.45 root 4040: const char *msdos_trimmed_path(const char *path, int lfn)
1.1 root 4041: {
4042: static char tmp[MAX_PATH];
4043:
4044: if(lfn) {
4045: strcpy(tmp, path);
4046: } else {
4047: // remove space in the path
1.1.1.45 root 4048: const char *src = path;
4049: char *dst = tmp;
1.1 root 4050:
4051: while(*src != '\0') {
4052: if(msdos_lead_byte_check(*src)) {
4053: *dst++ = *src++;
4054: *dst++ = *src++;
4055: } else if(*src != ' ') {
4056: *dst++ = *src++;
4057: } else {
4058: src++; // skip space
4059: }
4060: }
4061: *dst = '\0';
4062: }
1.1.1.14 root 4063: if(_stricmp(tmp, "C:\\COMMAND.COM") == 0) {
4064: // redirect C:\COMMAND.COM to comspec_path
4065: strcpy(tmp, comspec_path);
4066: } else if(is_vista_or_later && _access(tmp, 0) != 0) {
4067: // redirect new files (without wildcards) in C:\ to %TEMP%, since C:\ is not usually writable
4068: static int root_drive_protected = -1;
4069: char temp[MAX_PATH], name[MAX_PATH], *name_temp = NULL;
4070: dos_info_t *dos_info = (dos_info_t *)(mem + DOS_INFO_TOP);
4071:
4072: if(GetFullPathName(tmp, MAX_PATH, temp, &name_temp) != 0 &&
4073: name_temp != NULL && strstr(name_temp, "?") == NULL && strstr(name_temp, "*") == NULL) {
4074: strcpy(name, name_temp);
4075: name_temp[0] = '\0';
4076:
4077: if((temp[0] == 'A' + dos_info->boot_drive - 1 || temp[0] == 'a' + dos_info->boot_drive - 1) &&
4078: (temp[1] == ':') && (temp[2] == '\\' || temp[2] == '/') && (temp[3] == '\0')) {
4079: if(root_drive_protected == -1) {
4080: FILE *fp = NULL;
4081:
4082: sprintf(temp, "%c:\\MS-DOS_Player.$$$", 'A' + dos_info->boot_drive - 1);
4083: root_drive_protected = 1;
4084: try {
4085: if((fp = fopen(temp, "w")) != NULL) {
4086: if(fprintf(fp, "TEST") == 4) {
4087: root_drive_protected = 0;
4088: }
4089: }
4090: } catch(...) {
4091: }
4092: if(fp != NULL) {
4093: fclose(fp);
4094: }
4095: if(_access(temp, 0) == 0) {
4096: remove(temp);
4097: }
4098: }
4099: if(root_drive_protected == 1) {
4100: if(GetEnvironmentVariable("TEMP", temp, MAX_PATH) != 0 ||
4101: GetEnvironmentVariable("TMP", temp, MAX_PATH) != 0) {
4102: strcpy(tmp, msdos_combine_path(temp, name));
4103: }
4104: }
4105: }
4106: }
4107: }
1.1 root 4108: return(tmp);
4109: }
4110:
1.1.1.45 root 4111: const char *msdos_get_multiple_short_path(const char *src)
1.1.1.28 root 4112: {
1.1.1.32 root 4113: // "LONGPATH\";"LONGPATH\";"LONGPATH\" to SHORTPATH;SHORTPATH;SHORTPATH
1.1.1.28 root 4114: static char env_path[ENV_SIZE];
4115: char tmp[ENV_SIZE], *token;
4116:
4117: memset(env_path, 0, sizeof(env_path));
4118: strcpy(tmp, src);
4119: token = my_strtok(tmp, ";");
4120:
4121: while(token != NULL) {
4122: if(token[0] != '\0') {
1.1.1.45 root 4123: const char *path = msdos_remove_double_quote(token);
4124: char short_path[MAX_PATH];
1.1.1.32 root 4125: if(path != NULL && strlen(path) != 0) {
4126: if(env_path[0] != '\0') {
4127: strcat(env_path, ";");
4128: }
1.1.1.28 root 4129: if(GetShortPathName(path, short_path, MAX_PATH) == 0) {
1.1.1.32 root 4130: strcat(env_path, msdos_remove_end_separator(path));
1.1.1.28 root 4131: } else {
4132: my_strupr(short_path);
1.1.1.32 root 4133: strcat(env_path, msdos_remove_end_separator(short_path));
1.1.1.28 root 4134: }
4135: }
4136: }
4137: token = my_strtok(NULL, ";");
4138: }
4139: return(env_path);
4140: }
4141:
1.1.1.45 root 4142: bool match(const char *text, const char *pattern)
1.1 root 4143: {
1.1.1.24 root 4144: // http://www.prefield.com/algorithm/string/wildcard.html
1.1.1.14 root 4145: switch(*pattern) {
1.1 root 4146: case '\0':
4147: return !*text;
4148: case '*':
1.1.1.14 root 4149: return match(text, pattern + 1) || (*text && match(text + 1, pattern));
1.1 root 4150: case '?':
4151: return *text && match(text + 1, pattern + 1);
4152: default:
4153: return (*text == *pattern) && match(text + 1, pattern + 1);
4154: }
4155: }
4156:
1.1.1.45 root 4157: bool msdos_match_volume_label(const char *path, const char *volume)
1.1 root 4158: {
1.1.1.45 root 4159: const char *p = NULL;
1.1 root 4160:
1.1.1.14 root 4161: if(!*volume) {
4162: return false;
4163: } else if((p = my_strchr(path, ':')) != NULL) {
1.1 root 4164: return msdos_match_volume_label(p + 1, volume);
4165: } else if((p = my_strchr(path, '\\')) != NULL) {
4166: return msdos_match_volume_label(p + 1, volume);
4167: } else if((p = my_strchr(path, '.')) != NULL) {
1.1.1.14 root 4168: char tmp[MAX_PATH];
4169: sprintf(tmp, "%.*s%s", (int)(p - path), path, p + 1);
4170: return match(volume, tmp);
1.1 root 4171: } else {
4172: return match(volume, path);
4173: }
4174: }
4175:
1.1.1.45 root 4176: const char *msdos_fcb_path(fcb_t *fcb)
1.1 root 4177: {
4178: static char tmp[MAX_PATH];
4179: char name[9], ext[4];
4180:
4181: memset(name, 0, sizeof(name));
4182: memcpy(name, fcb->file_name, 8);
4183: strcpy(name, msdos_trimmed_path(name, 0));
4184:
4185: memset(ext, 0, sizeof(ext));
4186: memcpy(ext, fcb->file_name + 8, 3);
4187: strcpy(ext, msdos_trimmed_path(ext, 0));
4188:
4189: if(name[0] == '\0' || strcmp(name, "????????") == 0) {
4190: strcpy(name, "*");
4191: }
4192: if(ext[0] == '\0') {
4193: strcpy(tmp, name);
4194: } else {
4195: if(strcmp(ext, "???") == 0) {
4196: strcpy(ext, "*");
4197: }
4198: sprintf(tmp, "%s.%s", name, ext);
4199: }
4200: return(tmp);
4201: }
4202:
1.1.1.45 root 4203: void msdos_set_fcb_path(fcb_t *fcb, const char *path)
1.1 root 4204: {
4205: char *ext = my_strchr(path, '.');
4206:
4207: memset(fcb->file_name, 0x20, 8 + 3);
4208: if(ext != NULL && path[0] != '.') {
4209: *ext = '\0';
4210: memcpy(fcb->file_name + 8, ext + 1, strlen(ext + 1));
4211: }
4212: memcpy(fcb->file_name, path, strlen(path));
4213: }
4214:
1.1.1.45 root 4215: const char *msdos_short_path(const char *path)
1.1 root 4216: {
4217: static char tmp[MAX_PATH];
4218:
1.1.1.24 root 4219: if(GetShortPathName(path, tmp, MAX_PATH) == 0) {
4220: strcpy(tmp, path);
4221: }
1.1 root 4222: my_strupr(tmp);
4223: return(tmp);
4224: }
4225:
1.1.1.45 root 4226: const char *msdos_short_name(WIN32_FIND_DATA *fd)
1.1.1.13 root 4227: {
4228: static char tmp[MAX_PATH];
1.1.1.45 root 4229:
1.1.1.14 root 4230: if(fd->cAlternateFileName[0]) {
1.1.1.13 root 4231: strcpy(tmp, fd->cAlternateFileName);
4232: } else {
4233: strcpy(tmp, fd->cFileName);
4234: }
4235: my_strupr(tmp);
4236: return(tmp);
4237: }
4238:
1.1.1.45 root 4239: const char *msdos_short_full_path(const char *path)
1.1 root 4240: {
4241: static char tmp[MAX_PATH];
4242: char full[MAX_PATH], *name;
4243:
1.1.1.14 root 4244: // Full works with non-existent files, but Short does not
1.1 root 4245: GetFullPathName(path, MAX_PATH, full, &name);
1.1.1.14 root 4246: *tmp = '\0';
4247: if(GetShortPathName(full, tmp, MAX_PATH) == 0 && name > path) {
4248: name[-1] = '\0';
4249: DWORD len = GetShortPathName(full, tmp, MAX_PATH);
4250: if(len == 0) {
4251: strcpy(tmp, full);
4252: } else {
4253: tmp[len++] = '\\';
4254: strcpy(tmp + len, name);
4255: }
4256: }
1.1 root 4257: my_strupr(tmp);
4258: return(tmp);
4259: }
4260:
1.1.1.45 root 4261: const char *msdos_short_full_dir(const char *path)
1.1 root 4262: {
4263: static char tmp[MAX_PATH];
4264: char full[MAX_PATH], *name;
4265:
4266: GetFullPathName(path, MAX_PATH, full, &name);
4267: name[-1] = '\0';
1.1.1.24 root 4268: if(GetShortPathName(full, tmp, MAX_PATH) == 0) {
4269: strcpy(tmp, full);
4270: }
1.1 root 4271: my_strupr(tmp);
4272: return(tmp);
4273: }
4274:
1.1.1.45 root 4275: const char *msdos_local_file_path(const char *path, int lfn)
1.1 root 4276: {
1.1.1.45 root 4277: static char trimmed[MAX_PATH];
4278:
4279: strcpy(trimmed, msdos_trimmed_path(path, lfn));
1.1.1.14 root 4280: #if 0
4281: // I have forgotten the reason of this routine... :-(
1.1 root 4282: if(_access(trimmed, 0) != 0) {
4283: process_t *process = msdos_process_info_get(current_psp);
4284: static char tmp[MAX_PATH];
4285:
4286: sprintf(tmp, "%s\\%s", process->module_dir, trimmed);
4287: if(_access(tmp, 0) == 0) {
4288: return(tmp);
4289: }
4290: }
1.1.1.14 root 4291: #endif
1.1 root 4292: return(trimmed);
4293: }
4294:
1.1.1.45 root 4295: bool msdos_is_device_path(const char *path)
1.1.1.11 root 4296: {
4297: char full[MAX_PATH], *name;
4298:
1.1.1.24 root 4299: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
1.1.1.29 root 4300: if(_stricmp(full, "\\\\.\\AUX" ) == 0 ||
4301: _stricmp(full, "\\\\.\\CON" ) == 0 ||
4302: _stricmp(full, "\\\\.\\NUL" ) == 0 ||
4303: _stricmp(full, "\\\\.\\PRN" ) == 0 ||
4304: _stricmp(full, "\\\\.\\COM1") == 0 ||
4305: _stricmp(full, "\\\\.\\COM2") == 0 ||
4306: _stricmp(full, "\\\\.\\COM3") == 0 ||
4307: _stricmp(full, "\\\\.\\COM4") == 0 ||
4308: _stricmp(full, "\\\\.\\COM5") == 0 ||
4309: _stricmp(full, "\\\\.\\COM6") == 0 ||
4310: _stricmp(full, "\\\\.\\COM7") == 0 ||
4311: _stricmp(full, "\\\\.\\COM8") == 0 ||
4312: _stricmp(full, "\\\\.\\COM9") == 0 ||
4313: _stricmp(full, "\\\\.\\LPT1") == 0 ||
4314: _stricmp(full, "\\\\.\\LPT2") == 0 ||
4315: _stricmp(full, "\\\\.\\LPT3") == 0 ||
4316: _stricmp(full, "\\\\.\\LPT4") == 0 ||
4317: _stricmp(full, "\\\\.\\LPT5") == 0 ||
4318: _stricmp(full, "\\\\.\\LPT6") == 0 ||
4319: _stricmp(full, "\\\\.\\LPT7") == 0 ||
4320: _stricmp(full, "\\\\.\\LPT8") == 0 ||
4321: _stricmp(full, "\\\\.\\LPT9") == 0) {
4322: return(true);
4323: } else if(name != NULL) {
4324: if(_stricmp(name, "CLOCK$" ) == 0 ||
4325: _stricmp(name, "CONFIG$" ) == 0 ||
1.1.1.30 root 4326: _stricmp(name, "EMMXXXX0") == 0 ||
1.1.1.43 root 4327: // _stricmp(name, "SCSIMGR$") == 0 ||
1.1.1.30 root 4328: _stricmp(name, "$IBMAIAS") == 0) {
1.1.1.29 root 4329: return(true);
4330: }
4331: }
1.1.1.24 root 4332: }
4333: return(false);
1.1.1.11 root 4334: }
4335:
1.1.1.45 root 4336: bool msdos_is_con_path(const char *path)
1.1.1.8 root 4337: {
1.1.1.14 root 4338: char full[MAX_PATH], *name;
1.1.1.8 root 4339:
1.1.1.24 root 4340: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
1.1.1.29 root 4341: return(_stricmp(full, "\\\\.\\CON") == 0);
1.1.1.24 root 4342: }
4343: return(false);
4344: }
4345:
1.1.1.45 root 4346: int msdos_is_comm_path(const char *path)
1.1.1.24 root 4347: {
4348: char full[MAX_PATH], *name;
4349:
4350: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
1.1.1.29 root 4351: if(_stricmp(full, "\\\\.\\COM1") == 0) {
4352: return(1);
4353: } else if(_stricmp(full, "\\\\.\\COM2") == 0) {
4354: return(2);
4355: } else if(_stricmp(full, "\\\\.\\COM3") == 0) {
4356: return(3);
4357: } else if(_stricmp(full, "\\\\.\\COM4") == 0) {
4358: return(4);
1.1.1.24 root 4359: }
4360: }
1.1.1.29 root 4361: return(0);
4362: }
4363:
1.1.1.45 root 4364: void msdos_set_comm_params(int sio_port, const char *path)
1.1.1.37 root 4365: {
4366: // COM1:{110,150,300,600,1200,2400,4800,9600},{N,O,E,M,S},{8,7,6,5},{1,1.5,2}
1.1.1.45 root 4367: const char *p = NULL;
1.1.1.37 root 4368:
4369: if((p = strstr(path, ":")) != NULL) {
4370: UINT8 selector = sio_read(sio_port - 1, 3);
4371:
4372: // baud rate
4373: int baud = max(110, min(9600, atoi(p + 1)));
4374: UINT16 divisor = 115200 / baud;
4375:
4376: if((p = strstr(p + 1, ",")) != NULL) {
4377: // parity
4378: if(p[1] == 'N' || p[1] == 'n') {
4379: selector = (selector & ~0x38) | 0x00;
4380: } else if(p[1] == 'O' || p[1] == 'o') {
4381: selector = (selector & ~0x38) | 0x08;
4382: } else if(p[1] == 'E' || p[1] == 'e') {
4383: selector = (selector & ~0x38) | 0x18;
4384: } else if(p[1] == 'M' || p[1] == 'm') {
4385: selector = (selector & ~0x38) | 0x28;
4386: } else if(p[1] == 'S' || p[1] == 's') {
4387: selector = (selector & ~0x38) | 0x38;
4388: }
4389: if((p = strstr(p + 1, ",")) != NULL) {
4390: // word length
4391: if(p[1] == '8') {
4392: selector = (selector & ~0x03) | 0x03;
4393: } else if(p[1] == '7') {
4394: selector = (selector & ~0x03) | 0x02;
4395: } else if(p[1] == '6') {
4396: selector = (selector & ~0x03) | 0x01;
4397: } else if(p[1] == '5') {
4398: selector = (selector & ~0x03) | 0x00;
4399: }
4400: if((p = strstr(p + 1, ",")) != NULL) {
4401: // stop bits
4402: float bits = atof(p + 1);
4403: if(bits > 1.0F) {
4404: selector |= 0x04;
4405: } else {
4406: selector &= ~0x04;
4407: }
4408: }
4409: }
4410: }
4411: sio_write(sio_port - 1, 3, selector | 0x80);
4412: sio_write(sio_port - 1, 0, divisor & 0xff);
4413: sio_write(sio_port - 1, 1, divisor >> 8);
4414: sio_write(sio_port - 1, 3, selector);
4415: }
4416: }
4417:
1.1.1.45 root 4418: int msdos_is_prn_path(const char *path)
1.1.1.30 root 4419: {
4420: char full[MAX_PATH], *name;
4421:
4422: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
4423: if(_stricmp(full, "\\\\.\\PRN") == 0) {
4424: return(1);
4425: } else if(_stricmp(full, "\\\\.\\LPT1") == 0) {
4426: return(1);
4427: } else if(_stricmp(full, "\\\\.\\LPT2") == 0) {
4428: return(2);
4429: } else if(_stricmp(full, "\\\\.\\LPT3") == 0) {
4430: return(3);
4431: }
4432: }
4433: return(0);
4434: }
4435:
1.1.1.44 root 4436: bool msdos_is_valid_drive(int drv)
4437: {
4438: return(drv >= 0 && drv < 26 && (GetLogicalDrives() & (1 << drv)) != 0);
4439: }
4440:
4441: bool msdos_is_removable_drive(int drv)
4442: {
4443: char volume[] = "A:\\";
4444:
4445: volume[0] = 'A' + drv;
4446:
4447: return(GetDriveType(volume) == DRIVE_REMOVABLE);
4448: }
4449:
4450: bool msdos_is_cdrom_drive(int drv)
4451: {
4452: char volume[] = "A:\\";
4453:
4454: volume[0] = 'A' + drv;
4455:
4456: return(GetDriveType(volume) == DRIVE_CDROM);
4457: }
4458:
4459: bool msdos_is_remote_drive(int drv)
4460: {
4461: char volume[] = "A:\\";
4462:
4463: volume[0] = 'A' + drv;
4464:
4465: return(GetDriveType(volume) == DRIVE_REMOTE);
4466: }
4467:
4468: bool msdos_is_subst_drive(int drv)
4469: {
4470: char device[] = "A:", path[MAX_PATH];
4471:
4472: device[0] = 'A' + drv;
4473:
4474: if(QueryDosDevice(device, path, MAX_PATH)) {
4475: if(strncmp(path, "\\??\\", 4) == 0) {
4476: return(true);
4477: }
4478: }
4479: return(false);
4480: }
4481:
1.1.1.45 root 4482: bool msdos_is_existing_file(const char *path)
1.1.1.24 root 4483: {
4484: // http://d.hatena.ne.jp/yu-hr/20100317/1268826458
4485: WIN32_FIND_DATA FindData;
4486: HANDLE hFind;
4487:
4488: if((hFind = FindFirstFile(path, &FindData)) != INVALID_HANDLE_VALUE) {
4489: FindClose(hFind);
4490: return(!(FindData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY));
4491: }
4492: return(false);
1.1.1.8 root 4493: }
4494:
1.1.1.45 root 4495: const char *msdos_search_command_com(const char *command_path, const char *env_path)
1.1.1.9 root 4496: {
4497: static char tmp[MAX_PATH];
1.1.1.28 root 4498: char path[ENV_SIZE], *file_name;
1.1.1.9 root 4499:
1.1.1.28 root 4500: // check if COMMAND.COM is in the same directory as the target program file
1.1.1.9 root 4501: if(GetFullPathName(command_path, MAX_PATH, tmp, &file_name) != 0) {
4502: sprintf(file_name, "COMMAND.COM");
4503: if(_access(tmp, 0) == 0) {
4504: return(tmp);
4505: }
4506: }
1.1.1.28 root 4507:
4508: // check if COMMAND.COM is in the same directory as the running msdos.exe
1.1.1.9 root 4509: if(GetModuleFileName(NULL, path, MAX_PATH) != 0 && GetFullPathName(path, MAX_PATH, tmp, &file_name) != 0) {
4510: sprintf(file_name, "COMMAND.COM");
4511: if(_access(tmp, 0) == 0) {
4512: return(tmp);
4513: }
4514: }
1.1.1.28 root 4515:
4516: // check if COMMAND.COM is in the current directory
1.1.1.9 root 4517: if(GetFullPathName("COMMAND.COM", MAX_PATH, tmp, &file_name) != 0) {
4518: if(_access(tmp, 0) == 0) {
4519: return(tmp);
4520: }
4521: }
1.1.1.28 root 4522:
4523: // cehck if COMMAND.COM is in the directory that is in MSDOS_PATH and PATH environment variables
4524: strcpy(path, env_path);
4525: char *token = my_strtok(path, ";");
1.1.1.9 root 4526: while(token != NULL) {
1.1.1.14 root 4527: if(strlen(token) != 0 && token[0] != '%') {
1.1.1.9 root 4528: strcpy(tmp, msdos_combine_path(token, "COMMAND.COM"));
4529: if(_access(tmp, 0) == 0) {
4530: return(tmp);
4531: }
4532: }
4533: token = my_strtok(NULL, ";");
4534: }
4535: return(NULL);
4536: }
4537:
1.1.1.14 root 4538: int msdos_drive_number(const char *path)
1.1 root 4539: {
4540: char tmp[MAX_PATH], *name;
4541:
1.1.1.45 root 4542: if(GetFullPathName(path, MAX_PATH, tmp, &name) >= 2 && tmp[1] == ':') {
4543: if(tmp[0] >= 'a' && tmp[0] <= 'z') {
4544: return(tmp[0] - 'a');
4545: } else if(tmp[0] >= 'A' && tmp[0] <= 'Z') {
4546: return(tmp[0] - 'A');
4547: }
1.1 root 4548: }
1.1.1.45 root 4549: // return(msdos_drive_number("."));
4550: return(_getdrive() - 1);
1.1 root 4551: }
4552:
1.1.1.45 root 4553: const char *msdos_volume_label(const char *path)
1.1 root 4554: {
4555: static char tmp[MAX_PATH];
4556: char volume[] = "A:\\";
4557:
4558: if(path[1] == ':') {
4559: volume[0] = path[0];
4560: } else {
4561: volume[0] = 'A' + _getdrive() - 1;
4562: }
4563: if(!GetVolumeInformation(volume, tmp, MAX_PATH, NULL, NULL, NULL, NULL, 0)) {
4564: memset(tmp, 0, sizeof(tmp));
4565: }
4566: return(tmp);
4567: }
4568:
1.1.1.45 root 4569: const char *msdos_short_volume_label(const char *label)
1.1 root 4570: {
4571: static char tmp[(8 + 1 + 3) + 1];
1.1.1.45 root 4572: const char *src = label;
1.1 root 4573: int remain = strlen(label);
4574: char *dst_n = tmp;
4575: char *dst_e = tmp + 9;
4576:
4577: strcpy(tmp, " . ");
4578: for(int i = 0; i < 8 && remain > 0; i++) {
4579: if(msdos_lead_byte_check(*src)) {
4580: if(++i == 8) {
4581: break;
4582: }
4583: *dst_n++ = *src++;
4584: remain--;
4585: }
4586: *dst_n++ = *src++;
4587: remain--;
4588: }
4589: if(remain > 0) {
4590: for(int i = 0; i < 3 && remain > 0; i++) {
4591: if(msdos_lead_byte_check(*src)) {
4592: if(++i == 3) {
4593: break;
4594: }
4595: *dst_e++ = *src++;
4596: remain--;
4597: }
4598: *dst_e++ = *src++;
4599: remain--;
4600: }
4601: *dst_e = '\0';
4602: } else {
4603: *dst_n = '\0';
4604: }
4605: my_strupr(tmp);
4606: return(tmp);
4607: }
4608:
1.1.1.13 root 4609: errno_t msdos_maperr(unsigned long oserrno)
4610: {
4611: _doserrno = oserrno;
1.1.1.14 root 4612: switch(oserrno) {
1.1.1.13 root 4613: case ERROR_FILE_NOT_FOUND: // 2
4614: case ERROR_PATH_NOT_FOUND: // 3
4615: case ERROR_INVALID_DRIVE: // 15
4616: case ERROR_NO_MORE_FILES: // 18
4617: case ERROR_BAD_NETPATH: // 53
4618: case ERROR_BAD_NET_NAME: // 67
4619: case ERROR_BAD_PATHNAME: // 161
4620: case ERROR_FILENAME_EXCED_RANGE: // 206
4621: return ENOENT;
4622: case ERROR_TOO_MANY_OPEN_FILES: // 4
4623: return EMFILE;
4624: case ERROR_ACCESS_DENIED: // 5
4625: case ERROR_CURRENT_DIRECTORY: // 16
4626: case ERROR_NETWORK_ACCESS_DENIED: // 65
4627: case ERROR_CANNOT_MAKE: // 82
4628: case ERROR_FAIL_I24: // 83
4629: case ERROR_DRIVE_LOCKED: // 108
4630: case ERROR_SEEK_ON_DEVICE: // 132
4631: case ERROR_NOT_LOCKED: // 158
4632: case ERROR_LOCK_FAILED: // 167
4633: return EACCES;
4634: case ERROR_INVALID_HANDLE: // 6
4635: case ERROR_INVALID_TARGET_HANDLE: // 114
4636: case ERROR_DIRECT_ACCESS_HANDLE: // 130
4637: return EBADF;
4638: case ERROR_ARENA_TRASHED: // 7
4639: case ERROR_NOT_ENOUGH_MEMORY: // 8
4640: case ERROR_INVALID_BLOCK: // 9
4641: case ERROR_NOT_ENOUGH_QUOTA: // 1816
4642: return ENOMEM;
4643: case ERROR_BAD_ENVIRONMENT: // 10
4644: return E2BIG;
4645: case ERROR_BAD_FORMAT: // 11
4646: return ENOEXEC;
4647: case ERROR_NOT_SAME_DEVICE: // 17
4648: return EXDEV;
4649: case ERROR_FILE_EXISTS: // 80
4650: case ERROR_ALREADY_EXISTS: // 183
4651: return EEXIST;
4652: case ERROR_NO_PROC_SLOTS: // 89
4653: case ERROR_MAX_THRDS_REACHED: // 164
4654: case ERROR_NESTING_NOT_ALLOWED: // 215
4655: return EAGAIN;
4656: case ERROR_BROKEN_PIPE: // 109
4657: return EPIPE;
4658: case ERROR_DISK_FULL: // 112
4659: return ENOSPC;
4660: case ERROR_WAIT_NO_CHILDREN: // 128
4661: case ERROR_CHILD_NOT_COMPLETE: // 129
4662: return ECHILD;
4663: case ERROR_DIR_NOT_EMPTY: // 145
4664: return ENOTEMPTY;
4665: }
1.1.1.14 root 4666: if(oserrno >= ERROR_WRITE_PROTECT /* 19 */ &&
1.1.1.13 root 4667: oserrno <= ERROR_SHARING_BUFFER_EXCEEDED /* 36 */) {
4668: return EACCES;
4669: }
1.1.1.14 root 4670: if(oserrno >= ERROR_INVALID_STARTING_CODESEG /* 188 */ &&
1.1.1.13 root 4671: oserrno <= ERROR_INFLOOP_IN_RELOC_CHAIN /* 202 */) {
4672: return ENOEXEC;
4673: }
4674: return EINVAL;
4675: }
4676:
1.1.1.45 root 4677: int msdos_open(const char *path, int oflag)
1.1.1.13 root 4678: {
1.1.1.14 root 4679: if((oflag & (_O_RDONLY | _O_WRONLY | _O_RDWR)) != _O_RDONLY) {
1.1.1.45 root 4680: return(_open(path, oflag));
1.1.1.13 root 4681: }
1.1.1.14 root 4682:
4683: SECURITY_ATTRIBUTES sa = { sizeof(SECURITY_ATTRIBUTES), NULL, !(oflag & _O_NOINHERIT) };
1.1.1.13 root 4684: DWORD disposition;
1.1.1.14 root 4685: switch(oflag & (_O_CREAT | _O_EXCL | _O_TRUNC)) {
4686: default:
1.1.1.13 root 4687: case _O_EXCL:
4688: disposition = OPEN_EXISTING;
4689: break;
4690: case _O_CREAT:
4691: disposition = OPEN_ALWAYS;
4692: break;
4693: case _O_CREAT | _O_EXCL:
4694: case _O_CREAT | _O_TRUNC | _O_EXCL:
4695: disposition = CREATE_NEW;
4696: break;
4697: case _O_TRUNC:
4698: case _O_TRUNC | _O_EXCL:
4699: disposition = TRUNCATE_EXISTING;
4700: break;
4701: case _O_CREAT | _O_TRUNC:
4702: disposition = CREATE_ALWAYS;
4703: break;
4704: }
1.1.1.14 root 4705:
1.1.1.45 root 4706: HANDLE h = CreateFile(path, GENERIC_READ | FILE_WRITE_ATTRIBUTES,
1.1.1.13 root 4707: FILE_SHARE_READ | FILE_SHARE_WRITE, &sa, disposition,
4708: FILE_ATTRIBUTE_NORMAL, NULL);
1.1.1.14 root 4709: if(h == INVALID_HANDLE_VALUE) {
1.1.1.13 root 4710: // FILE_WRITE_ATTRIBUTES may not be granted for standard users.
4711: // Retry without FILE_WRITE_ATTRIBUTES.
1.1.1.45 root 4712: h = CreateFile(path, GENERIC_READ,
1.1.1.13 root 4713: FILE_SHARE_READ | FILE_SHARE_WRITE, &sa, disposition,
4714: FILE_ATTRIBUTE_NORMAL, NULL);
1.1.1.14 root 4715: if(h == INVALID_HANDLE_VALUE) {
1.1.1.13 root 4716: errno = msdos_maperr(GetLastError());
1.1.1.45 root 4717: return(-1);
1.1.1.13 root 4718: }
4719: }
1.1.1.14 root 4720:
1.1.1.13 root 4721: int fd = _open_osfhandle((intptr_t) h, oflag);
1.1.1.14 root 4722: if(fd == -1) {
1.1.1.13 root 4723: CloseHandle(h);
4724: }
1.1.1.45 root 4725: return(fd);
4726: }
4727:
4728: int msdos_open_device(const char *path, int oflag, int *sio_port, int *lpt_port)
4729: {
4730: int fd = -1;
4731:
4732: *sio_port = *lpt_port = 0;
4733:
4734: if(msdos_is_con_path(path)) {
4735: // MODE.COM opens CON device with read/write mode :-(
4736: if((oflag & (_O_RDONLY | _O_WRONLY | _O_RDWR)) == _O_RDWR) {
4737: oflag &= ~(_O_RDONLY | _O_WRONLY | _O_RDWR);
4738: oflag |= _O_RDONLY;
4739: }
4740: if((fd = msdos_open("CON", oflag)) == -1) {
4741: // fd = msdos_open("NUL", oflag);
4742: }
4743: } else if((*sio_port = msdos_is_comm_path(path)) != 0) {
4744: fd = msdos_open("NUL", oflag);
4745: msdos_set_comm_params(*sio_port, path);
4746: } else if((*lpt_port = msdos_is_prn_path(path)) != 0) {
4747: fd = msdos_open("NUL", oflag);
4748: } else if(msdos_is_device_path(path)) {
4749: fd = msdos_open("NUL", oflag);
4750: // } else if(oflag & _O_CREAT) {
4751: // fd = _open(path, oflag, _S_IREAD | _S_IWRITE);
4752: // } else {
4753: // fd = _open(path, oflag);
4754: }
4755: return(fd);
4756: }
4757:
4758: UINT16 msdos_device_info(const char *path)
4759: {
4760: if(msdos_is_con_path(path)) {
4761: return(0x80d3);
4762: } else if(msdos_is_comm_path(path)) {
4763: return(0x80a0);
4764: } else if(msdos_is_prn_path(path)) {
4765: // return(0xa8c0);
4766: return(0x80a0);
4767: } else if(msdos_is_device_path(path)) {
4768: if(strstr(path, "EMMXXXX0") != NULL) {
4769: return(0xc0c0);
4770: } else if(strstr(path, "MSCD001") != NULL) {
4771: return(0xc880);
4772: } else {
4773: return(0x8084);
4774: }
4775: } else {
4776: return(msdos_drive_number(path));
4777: }
1.1.1.13 root 4778: }
4779:
1.1.1.52 root 4780: void msdos_file_handler_open(int fd, const char *path, int atty, int mode, UINT16 info, UINT16 psp_seg, int sio_port = 0, int lpt_port = 0)
1.1 root 4781: {
4782: static int id = 0;
4783: char full[MAX_PATH], *name;
4784:
4785: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
4786: strcpy(file_handler[fd].path, full);
4787: } else {
4788: strcpy(file_handler[fd].path, path);
4789: }
1.1.1.14 root 4790: // isatty makes no distinction between CON & NUL
4791: // GetFileSize fails on CON, succeeds on NUL
4792: if(atty && (info != 0x80d3 || GetFileSize((HANDLE)_get_osfhandle(fd), NULL) == 0)) {
1.1.1.45 root 4793: if(info == 0x80d3) {
4794: info = 0x8084;
4795: }
1.1.1.14 root 4796: atty = 0;
4797: } else if(!atty && info == 0x80d3) {
1.1.1.45 root 4798: // info = msdos_drive_number(".");
4799: info = msdos_drive_number(path);
1.1.1.14 root 4800: }
1.1 root 4801: file_handler[fd].valid = 1;
4802: file_handler[fd].id = id++; // dummy id for int 21h ax=71a6h
1.1.1.37 root 4803: file_handler[fd].atty = (sio_port == 0 && lpt_port == 0) ? atty : 0;
1.1 root 4804: file_handler[fd].mode = mode;
4805: file_handler[fd].info = info;
4806: file_handler[fd].psp = psp_seg;
1.1.1.37 root 4807: file_handler[fd].sio_port = sio_port;
4808: file_handler[fd].lpt_port = lpt_port;
1.1.1.21 root 4809:
4810: // init system file table
4811: if(fd < 20) {
4812: UINT8 *sft = mem + SFT_TOP + 6 + 0x3b * fd;
4813:
4814: memset(sft, 0, 0x3b);
4815:
4816: *(UINT16 *)(sft + 0x00) = 1;
4817: *(UINT16 *)(sft + 0x02) = file_handler[fd].mode;
4818: *(UINT8 *)(sft + 0x04) = GetFileAttributes(file_handler[fd].path) & 0xff;
4819: *(UINT16 *)(sft + 0x05) = file_handler[fd].info & 0xff;
4820:
4821: if(!(file_handler[fd].info & 0x80)) {
4822: *(UINT16 *)(sft + 0x07) = sizeof(dpb_t) * (file_handler[fd].info & 0x1f);
4823: *(UINT16 *)(sft + 0x09) = DPB_TOP >> 4;
4824:
4825: FILETIME time, local;
4826: HANDLE hHandle;
4827: WORD dos_date = 0, dos_time = 0;
4828: DWORD file_size = 0;
4829: if((hHandle = (HANDLE)_get_osfhandle(fd)) != INVALID_HANDLE_VALUE) {
4830: if(GetFileTime(hHandle, NULL, NULL, &time)) {
4831: FileTimeToLocalFileTime(&time, &local);
4832: FileTimeToDosDateTime(&local, &dos_date, &dos_time);
4833: }
4834: file_size = GetFileSize(hHandle, NULL);
4835: }
4836: *(UINT16 *)(sft + 0x0d) = dos_time;
4837: *(UINT16 *)(sft + 0x0f) = dos_date;
4838: *(UINT32 *)(sft + 0x11) = file_size;
4839: }
4840:
4841: char fname[MAX_PATH] = {0}, ext[MAX_PATH] = {0};
4842: _splitpath(file_handler[fd].path, NULL, NULL, fname, ext);
4843: my_strupr(fname);
4844: my_strupr(ext);
4845: memset(sft + 0x20, 0x20, 11);
4846: memcpy(sft + 0x20, fname, min(strlen(fname), 8));
4847: memcpy(sft + 0x28, ext + 1, min(strlen(ext + 1), 3));
4848:
4849: *(UINT16 *)(sft + 0x31) = psp_seg;
4850: }
1.1 root 4851: }
4852:
4853: void msdos_file_handler_dup(int dst, int src, UINT16 psp_seg)
4854: {
4855: strcpy(file_handler[dst].path, file_handler[src].path);
4856: file_handler[dst].valid = 1;
4857: file_handler[dst].id = file_handler[src].id;
4858: file_handler[dst].atty = file_handler[src].atty;
4859: file_handler[dst].mode = file_handler[src].mode;
4860: file_handler[dst].info = file_handler[src].info;
4861: file_handler[dst].psp = psp_seg;
1.1.1.37 root 4862: file_handler[dst].sio_port = file_handler[src].sio_port;
4863: file_handler[dst].lpt_port = file_handler[src].lpt_port;
1.1 root 4864: }
4865:
1.1.1.20 root 4866: void msdos_file_handler_close(int fd)
1.1 root 4867: {
4868: file_handler[fd].valid = 0;
1.1.1.21 root 4869:
4870: if(fd < 20) {
4871: memset(mem + SFT_TOP + 6 + 0x3b * fd, 0, 0x3b);
4872: }
1.1 root 4873: }
4874:
1.1.1.14 root 4875: inline int msdos_file_attribute_create(UINT16 new_attr)
1.1 root 4876: {
1.1.1.14 root 4877: return(new_attr & (FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN |
4878: FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_ARCHIVE |
4879: FILE_ATTRIBUTE_DIRECTORY));
1.1 root 4880: }
4881:
4882: // find file
4883:
4884: int msdos_find_file_check_attribute(int attribute, int allowed_mask, int required_mask)
4885: {
4886: if((allowed_mask & 0x08) && !(attribute & FILE_ATTRIBUTE_DIRECTORY)) {
4887: return(0); // search directory only !!!
4888: } else if(!(allowed_mask & 0x02) && (attribute & FILE_ATTRIBUTE_HIDDEN)) {
4889: return(0);
4890: } else if(!(allowed_mask & 0x04) && (attribute & FILE_ATTRIBUTE_SYSTEM)) {
4891: return(0);
4892: } else if(!(allowed_mask & 0x10) && (attribute & FILE_ATTRIBUTE_DIRECTORY)) {
4893: return(0);
4894: } else if((attribute & required_mask) != required_mask) {
4895: return(0);
4896: } else {
4897: return(1);
4898: }
4899: }
4900:
1.1.1.13 root 4901: int msdos_find_file_has_8dot3name(WIN32_FIND_DATA *fd)
4902: {
1.1.1.14 root 4903: if(fd->cAlternateFileName[0]) {
1.1.1.42 root 4904: return(1);
1.1.1.13 root 4905: }
4906: size_t len = strlen(fd->cFileName);
1.1.1.14 root 4907: if(len > 12) {
1.1.1.42 root 4908: return(0);
1.1.1.13 root 4909: }
4910: const char *ext = strrchr(fd->cFileName, '.');
1.1.1.14 root 4911: if((ext ? ext - fd->cFileName : len) > 8) {
1.1.1.42 root 4912: return(0);
1.1.1.13 root 4913: }
1.1.1.42 root 4914: return(1);
1.1.1.13 root 4915: }
4916:
1.1 root 4917: void msdos_find_file_conv_local_time(WIN32_FIND_DATA *fd)
4918: {
4919: FILETIME local;
4920:
4921: FileTimeToLocalFileTime(&fd->ftCreationTime, &local);
4922: fd->ftCreationTime.dwLowDateTime = local.dwLowDateTime;
4923: fd->ftCreationTime.dwHighDateTime = local.dwHighDateTime;
4924:
4925: FileTimeToLocalFileTime(&fd->ftLastAccessTime, &local);
4926: fd->ftLastAccessTime.dwLowDateTime = local.dwLowDateTime;
4927: fd->ftLastAccessTime.dwHighDateTime = local.dwHighDateTime;
4928:
4929: FileTimeToLocalFileTime(&fd->ftLastWriteTime, &local);
4930: fd->ftLastWriteTime.dwLowDateTime = local.dwLowDateTime;
4931: fd->ftLastWriteTime.dwHighDateTime = local.dwHighDateTime;
4932: }
4933:
4934: // i/o
4935:
4936: void msdos_stdio_reopen()
4937: {
4938: if(!file_handler[0].valid) {
4939: _dup2(DUP_STDIN, 0);
4940: msdos_file_handler_open(0, "STDIN", _isatty(0), 0, 0x80d3, 0);
4941: }
4942: if(!file_handler[1].valid) {
4943: _dup2(DUP_STDOUT, 1);
4944: msdos_file_handler_open(1, "STDOUT", _isatty(1), 1, 0x80d3, 0);
4945: }
4946: if(!file_handler[2].valid) {
4947: _dup2(DUP_STDERR, 2);
4948: msdos_file_handler_open(2, "STDERR", _isatty(2), 1, 0x80d3, 0);
4949: }
1.1.1.21 root 4950: if(!file_handler[3].valid) {
4951: _dup2(DUP_STDAUX, 3);
4952: msdos_file_handler_open(3, "STDAUX", 0, 2, 0x80c0, 0);
4953: }
4954: if(!file_handler[4].valid) {
4955: _dup2(DUP_STDPRN, 4);
1.1.1.45 root 4956: // msdos_file_handler_open(4, "STDPRN", 0, 1, 0xa8c0, 0, 0, 1); // LPT1
4957: msdos_file_handler_open(4, "STDPRN", 0, 1, 0x80a0, 0, 0, 1); // LPT1
1.1.1.21 root 4958: }
4959: for(int i = 0; i < 5; i++) {
4960: if(msdos_psp_get_file_table(i, current_psp) == 0xff) {
4961: msdos_psp_set_file_table(i, i, current_psp);
4962: }
4963: }
1.1 root 4964: }
4965:
1.1.1.37 root 4966: int msdos_read(int fd, void *buffer, unsigned int count)
4967: {
4968: if(fd < process->max_files && file_handler[fd].valid && file_handler[fd].sio_port >= 1 && file_handler[fd].sio_port <= 4) {
4969: // read from serial port
4970: int read = 0;
4971: if(sio_port_number[file_handler[fd].sio_port - 1] != 0) {
4972: UINT8 *buf = (UINT8 *)buffer;
4973: UINT8 selector = sio_read(file_handler[fd].sio_port - 1, 3);
4974: sio_write(file_handler[fd].sio_port - 1, 3, selector & ~0x80);
1.1.1.38 root 4975: DWORD timeout = timeGetTime() + 1000;
4976: while(read < count) {
4977: if(sio_read(file_handler[fd].sio_port - 1, 5) & 0x01) {
4978: buf[read++] = sio_read(file_handler[fd].sio_port - 1, 0);
4979: timeout = timeGetTime() + 1000;
4980: } else {
4981: if(timeGetTime() > timeout) {
4982: break;
4983: }
4984: Sleep(10);
1.1.1.37 root 4985: }
4986: }
4987: sio_write(file_handler[fd].sio_port - 1, 3, selector);
4988: }
4989: return(read);
4990: }
4991: return(_read(fd, buffer, count));
4992: }
4993:
1.1 root 4994: int msdos_kbhit()
4995: {
4996: msdos_stdio_reopen();
4997:
1.1.1.20 root 4998: process_t *process = msdos_process_info_get(current_psp);
4999: int fd = msdos_psp_get_file_table(0, current_psp);
5000:
5001: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 5002: // stdin is redirected to file
1.1.1.20 root 5003: return(eof(fd) == 0);
1.1 root 5004: }
5005:
5006: // check keyboard status
1.1.1.35 root 5007: if(key_recv != 0) {
1.1 root 5008: return(1);
5009: }
1.1.1.35 root 5010: if(key_buf_char != NULL && key_buf_scan != NULL) {
5011: #ifdef USE_SERVICE_THREAD
5012: EnterCriticalSection(&key_buf_crit_sect);
5013: #endif
1.1.1.55 root 5014: bool empty = pcbios_is_key_buffer_empty();
1.1.1.35 root 5015: #ifdef USE_SERVICE_THREAD
5016: LeaveCriticalSection(&key_buf_crit_sect);
5017: #endif
5018: if(!empty) return(1);
5019: }
5020: return(_kbhit());
1.1 root 5021: }
5022:
5023: int msdos_getch_ex(int echo)
5024: {
5025: static char prev = 0;
5026:
5027: msdos_stdio_reopen();
5028:
1.1.1.20 root 5029: process_t *process = msdos_process_info_get(current_psp);
5030: int fd = msdos_psp_get_file_table(0, current_psp);
5031:
5032: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 5033: // stdin is redirected to file
5034: retry:
5035: char data;
1.1.1.37 root 5036: if(msdos_read(fd, &data, 1) == 1) {
1.1 root 5037: char tmp = data;
5038: if(data == 0x0a) {
5039: if(prev == 0x0d) {
5040: goto retry; // CRLF -> skip LF
5041: } else {
5042: data = 0x0d; // LF only -> CR
5043: }
5044: }
5045: prev = tmp;
5046: return(data);
5047: }
5048: return(EOF);
5049: }
5050:
5051: // input from console
1.1.1.5 root 5052: int key_char, key_scan;
1.1.1.33 root 5053: if(key_recv != 0) {
1.1.1.5 root 5054: key_char = (key_code >> 0) & 0xff;
5055: key_scan = (key_code >> 8) & 0xff;
5056: key_code >>= 16;
1.1.1.33 root 5057: key_recv >>= 16;
1.1.1.5 root 5058: } else {
1.1.1.54 root 5059: while(key_buf_char != NULL && key_buf_scan != NULL && !m_exit) {
1.1.1.35 root 5060: if(key_buf_char != NULL && key_buf_scan != NULL) {
5061: #ifdef USE_SERVICE_THREAD
5062: EnterCriticalSection(&key_buf_crit_sect);
5063: #endif
1.1.1.55 root 5064: bool empty = pcbios_is_key_buffer_empty();
1.1.1.35 root 5065: #ifdef USE_SERVICE_THREAD
5066: LeaveCriticalSection(&key_buf_crit_sect);
5067: #endif
5068: if(!empty) break;
5069: }
1.1.1.23 root 5070: if(!(fd < process->max_files && file_handler[fd].valid && file_handler[fd].atty && file_mode[file_handler[fd].mode].in)) {
5071: // NOTE: stdin is redirected to stderr when we do "type (file) | more" on freedos's command.com
5072: if(_kbhit()) {
1.1.1.32 root 5073: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 5074: #ifdef USE_SERVICE_THREAD
5075: EnterCriticalSection(&key_buf_crit_sect);
5076: #endif
1.1.1.51 root 5077: pcbios_set_key_buffer(_getch(), 0x00);
1.1.1.35 root 5078: #ifdef USE_SERVICE_THREAD
5079: LeaveCriticalSection(&key_buf_crit_sect);
5080: #endif
1.1.1.32 root 5081: }
1.1.1.23 root 5082: } else {
5083: Sleep(10);
5084: }
5085: } else {
5086: if(!update_key_buffer()) {
5087: Sleep(10);
5088: }
1.1.1.14 root 5089: }
5090: }
1.1.1.54 root 5091: if(m_exit) {
1.1.1.33 root 5092: // insert CR to terminate input loops
1.1.1.14 root 5093: key_char = 0x0d;
5094: key_scan = 0;
1.1.1.32 root 5095: } else if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 5096: #ifdef USE_SERVICE_THREAD
5097: EnterCriticalSection(&key_buf_crit_sect);
5098: #endif
1.1.1.51 root 5099: pcbios_get_key_buffer(&key_char, &key_scan);
1.1.1.35 root 5100: #ifdef USE_SERVICE_THREAD
5101: LeaveCriticalSection(&key_buf_crit_sect);
5102: #endif
1.1.1.5 root 5103: }
1.1 root 5104: }
5105: if(echo && key_char) {
5106: msdos_putch(key_char);
5107: }
5108: return key_char ? key_char : (key_scan != 0xe0) ? key_scan : 0;
5109: }
5110:
5111: inline int msdos_getch()
5112: {
5113: return(msdos_getch_ex(0));
5114: }
5115:
5116: inline int msdos_getche()
5117: {
5118: return(msdos_getch_ex(1));
5119: }
5120:
5121: int msdos_write(int fd, const void *buffer, unsigned int count)
5122: {
1.1.1.37 root 5123: if(fd < process->max_files && file_handler[fd].valid && file_handler[fd].sio_port >= 1 && file_handler[fd].sio_port <= 4) {
5124: // write to serial port
1.1.1.38 root 5125: int written = 0;
1.1.1.37 root 5126: if(sio_port_number[file_handler[fd].sio_port - 1] != 0) {
5127: UINT8 *buf = (UINT8 *)buffer;
5128: UINT8 selector = sio_read(file_handler[fd].sio_port - 1, 3);
5129: sio_write(file_handler[fd].sio_port - 1, 3, selector & ~0x80);
1.1.1.38 root 5130: DWORD timeout = timeGetTime() + 1000;
5131: while(written < count) {
5132: if(sio_read(file_handler[fd].sio_port - 1, 5) & 0x20) {
5133: sio_write(file_handler[fd].sio_port - 1, 0, buf[written++]);
5134: timeout = timeGetTime() + 1000;
5135: } else {
5136: if(timeGetTime() > timeout) {
5137: break;
5138: }
5139: Sleep(10);
5140: }
1.1.1.37 root 5141: }
5142: sio_write(file_handler[fd].sio_port - 1, 3, selector);
5143: }
1.1.1.38 root 5144: return(written);
1.1.1.37 root 5145: } else if(fd < process->max_files && file_handler[fd].valid && file_handler[fd].lpt_port >= 1 && file_handler[fd].lpt_port <= 3) {
5146: // write to printer port
5147: UINT8 *buf = (UINT8 *)buffer;
5148: for(unsigned int i = 0; i < count; i++) {
5149: // printer_out(file_handler[fd].lpt_port - 1, buf[i]);
5150: pcbios_printer_out(file_handler[fd].lpt_port - 1, buf[i]);
5151: }
5152: return(count);
5153: } else if(fd == 1 && file_handler[1].valid && !file_handler[1].atty) {
1.1 root 5154: // CR+LF -> LF
1.1.1.37 root 5155: static int is_cr = 0;
1.1 root 5156: UINT8 *buf = (UINT8 *)buffer;
5157: for(unsigned int i = 0; i < count; i++) {
5158: UINT8 data = buf[i];
5159: if(is_cr) {
5160: if(data != 0x0a) {
5161: UINT8 tmp = 0x0d;
5162: _write(1, &tmp, 1);
5163: }
5164: _write(1, &data, 1);
5165: is_cr = 0;
5166: } else if(data == 0x0d) {
5167: is_cr = 1;
5168: } else {
5169: _write(1, &data, 1);
5170: }
5171: }
5172: return(count);
5173: }
1.1.1.14 root 5174: vram_flush();
1.1 root 5175: return(_write(fd, buffer, count));
5176: }
5177:
5178: void msdos_putch(UINT8 data)
1.1.1.50 root 5179: {
5180: msdos_stdio_reopen();
5181:
5182: process_t *process = msdos_process_info_get(current_psp);
5183: int fd = msdos_psp_get_file_table(1, current_psp);
5184:
5185: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
5186: // stdout is redirected to file
5187: msdos_write(fd, &data, 1);
5188: return;
5189: }
5190:
5191: // call int 29h ?
5192: if(*(UINT16 *)(mem + 4 * 0x29 + 0) == 0x29 &&
5193: *(UINT16 *)(mem + 4 * 0x29 + 2) == (IRET_TOP >> 4)) {
5194: // int 29h is not hooked, no need to call int 29h
5195: msdos_putch_fast(data);
5196: #ifdef USE_SERVICE_THREAD
5197: } else if(in_service && main_thread_id != GetCurrentThreadId()) {
5198: // XXX: in usually we should not reach here
5199: // this is called from service thread to echo the input
5200: // we can not call int 29h because it causes a critial issue to control cpu running in main thread :-(
5201: msdos_putch_fast(data);
5202: #endif
1.1.1.51 root 5203: } else if(in_service_29h) {
1.1.1.50 root 5204: // disallow reentering call int 29h routine to prevent an infinite loop :-(
5205: msdos_putch_fast(data);
5206: } else {
5207: // this is called from main thread, so we can call int 29h :-)
1.1.1.51 root 5208: in_service_29h = true;
1.1.1.50 root 5209: try {
5210: UINT32 tmp_pc = m_pc;
5211: UINT16 tmp_ax = REG16(AX);
5212: UINT32 tmp_bx = REG16(BX); // BX may be destroyed by some versions of DOS 3.3
5213:
5214: // call int 29h routine is at fffc:0027
5215: i386_call_far(DUMMY_TOP >> 4, 0x0027);
5216: REG8(AL) = data;
5217:
5218: // run cpu until call int 29h routine is done
1.1.1.54 root 5219: while(!m_exit && tmp_pc != m_pc) {
1.1.1.50 root 5220: try {
5221: hardware_run_cpu();
5222: } catch(...) {
5223: }
5224: }
5225: REG16(AX) = tmp_ax;
5226: REG16(BX) = tmp_bx;
5227: } catch(...) {
5228: }
1.1.1.51 root 5229: in_service_29h = false;
1.1.1.50 root 5230: }
5231: }
5232:
5233: void msdos_putch_fast(UINT8 data)
1.1.1.35 root 5234: #ifdef USE_SERVICE_THREAD
5235: {
5236: EnterCriticalSection(&putch_crit_sect);
5237: msdos_putch_tmp(data);
5238: LeaveCriticalSection(&putch_crit_sect);
5239: }
5240: void msdos_putch_tmp(UINT8 data)
5241: #endif
1.1 root 5242: {
1.1.1.34 root 5243: CONSOLE_SCREEN_BUFFER_INFO csbi;
5244: SMALL_RECT rect;
5245: COORD co;
1.1 root 5246: static int p = 0;
5247: static int is_kanji = 0;
5248: static int is_esc = 0;
5249: static int stored_x;
5250: static int stored_y;
5251: static WORD stored_a;
1.1.1.20 root 5252: static char tmp[64], out[64];
1.1 root 5253:
1.1.1.23 root 5254: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 5255:
5256: // output to console
5257: tmp[p++] = data;
5258:
1.1.1.14 root 5259: vram_flush();
5260:
1.1 root 5261: if(is_kanji) {
5262: // kanji character
5263: is_kanji = 0;
5264: } else if(is_esc) {
5265: // escape sequense
5266: if((tmp[1] == ')' || tmp[1] == '(') && p == 3) {
5267: p = is_esc = 0;
5268: } else if(tmp[1] == '=' && p == 4) {
5269: co.X = tmp[3] - 0x20;
1.1.1.14 root 5270: co.Y = tmp[2] - 0x20 + scr_top;
1.1 root 5271: SetConsoleCursorPosition(hStdout, co);
5272: mem[0x450 + mem[0x462] * 2] = co.X;
1.1.1.14 root 5273: mem[0x451 + mem[0x462] * 2] = co.Y - scr_top;
1.1 root 5274: cursor_moved = false;
5275: p = is_esc = 0;
5276: } else if((data >= 'a' && data <= 'z') || (data >= 'A' && data <= 'Z') || data == '*') {
5277: GetConsoleScreenBufferInfo(hStdout, &csbi);
5278: co.X = csbi.dwCursorPosition.X;
5279: co.Y = csbi.dwCursorPosition.Y;
5280: WORD wAttributes = csbi.wAttributes;
5281:
5282: if(tmp[1] == 'D') {
5283: co.Y++;
5284: } else if(tmp[1] == 'E') {
5285: co.X = 0;
5286: co.Y++;
5287: } else if(tmp[1] == 'M') {
5288: co.Y--;
5289: } else if(tmp[1] == '*') {
1.1.1.14 root 5290: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5291: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5292: co.X = 0;
5293: co.Y = csbi.srWindow.Top;
1.1 root 5294: } else if(tmp[1] == '[') {
5295: int param[256], params = 0;
5296: memset(param, 0, sizeof(param));
5297: for(int i = 2; i < p; i++) {
5298: if(tmp[i] >= '0' && tmp[i] <= '9') {
5299: param[params] *= 10;
5300: param[params] += tmp[i] - '0';
5301: } else {
5302: params++;
5303: }
5304: }
5305: if(data == 'A') {
1.1.1.14 root 5306: co.Y -= (params == 0) ? 1 : param[0];
1.1 root 5307: } else if(data == 'B') {
1.1.1.14 root 5308: co.Y += (params == 0) ? 1 : param[0];
1.1 root 5309: } else if(data == 'C') {
1.1.1.14 root 5310: co.X += (params == 0) ? 1 : param[0];
1.1 root 5311: } else if(data == 'D') {
1.1.1.14 root 5312: co.X -= (params == 0) ? 1 : param[0];
1.1 root 5313: } else if(data == 'H' || data == 'f') {
1.1.1.14 root 5314: co.X = (param[1] == 0 ? 1 : param[1]) - 1;
5315: co.Y = (param[0] == 0 ? 1 : param[0]) - 1 + csbi.srWindow.Top;
1.1 root 5316: } else if(data == 'J') {
1.1.1.14 root 5317: clear_scr_buffer(csbi.wAttributes);
1.1 root 5318: if(param[0] == 0) {
5319: SET_RECT(rect, co.X, co.Y, csbi.dwSize.X - 1, co.Y);
1.1.1.14 root 5320: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5321: if(co.Y < csbi.srWindow.Bottom) {
5322: SET_RECT(rect, 0, co.Y + 1, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5323: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5324: }
5325: } else if(param[0] == 1) {
1.1.1.14 root 5326: if(co.Y > csbi.srWindow.Top) {
5327: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, co.Y - 1);
5328: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5329: }
5330: SET_RECT(rect, 0, co.Y, co.X, co.Y);
1.1.1.14 root 5331: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5332: } else if(param[0] == 2) {
1.1.1.14 root 5333: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5334: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5335: co.X = co.Y = 0;
5336: }
5337: } else if(data == 'K') {
1.1.1.14 root 5338: clear_scr_buffer(csbi.wAttributes);
1.1 root 5339: if(param[0] == 0) {
5340: SET_RECT(rect, co.X, co.Y, csbi.dwSize.X - 1, co.Y);
1.1.1.14 root 5341: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5342: } else if(param[0] == 1) {
5343: SET_RECT(rect, 0, co.Y, co.X, co.Y);
1.1.1.14 root 5344: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5345: } else if(param[0] == 2) {
5346: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, co.Y);
1.1.1.14 root 5347: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5348: }
5349: } else if(data == 'L') {
1.1.1.14 root 5350: if(params == 0) {
5351: param[0] = 1;
1.1 root 5352: }
1.1.1.14 root 5353: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5354: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5355: SET_RECT(rect, 0, co.Y + param[0], csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5356: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5357: clear_scr_buffer(csbi.wAttributes);
1.1 root 5358: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, co.Y + param[0] - 1);
1.1.1.14 root 5359: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5360: co.X = 0;
5361: } else if(data == 'M') {
1.1.1.14 root 5362: if(params == 0) {
5363: param[0] = 1;
5364: }
5365: if(co.Y + param[0] > csbi.srWindow.Bottom) {
5366: clear_scr_buffer(csbi.wAttributes);
5367: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5368: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5369: } else {
1.1.1.14 root 5370: SET_RECT(rect, 0, co.Y + param[0], csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5371: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5372: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5373: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5374: clear_scr_buffer(csbi.wAttributes);
1.1 root 5375: }
5376: co.X = 0;
5377: } else if(data == 'h') {
5378: if(tmp[2] == '>' && tmp[3] == '5') {
5379: CONSOLE_CURSOR_INFO cur;
5380: GetConsoleCursorInfo(hStdout, &cur);
5381: if(cur.bVisible) {
5382: cur.bVisible = FALSE;
1.1.1.14 root 5383: // SetConsoleCursorInfo(hStdout, &cur);
1.1 root 5384: }
5385: }
5386: } else if(data == 'l') {
5387: if(tmp[2] == '>' && tmp[3] == '5') {
5388: CONSOLE_CURSOR_INFO cur;
5389: GetConsoleCursorInfo(hStdout, &cur);
5390: if(!cur.bVisible) {
5391: cur.bVisible = TRUE;
1.1.1.14 root 5392: // SetConsoleCursorInfo(hStdout, &cur);
1.1 root 5393: }
5394: }
5395: } else if(data == 'm') {
5396: wAttributes = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
5397: int reverse = 0, hidden = 0;
5398: for(int i = 0; i < params; i++) {
5399: if(param[i] == 1) {
5400: wAttributes |= FOREGROUND_INTENSITY;
5401: } else if(param[i] == 4) {
5402: wAttributes |= COMMON_LVB_UNDERSCORE;
5403: } else if(param[i] == 7) {
5404: reverse = 1;
5405: } else if(param[i] == 8 || param[i] == 16) {
5406: hidden = 1;
5407: } else if((param[i] >= 17 && param[i] <= 23) || (param[i] >= 30 && param[i] <= 37)) {
5408: wAttributes &= ~(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
5409: if(param[i] >= 17 && param[i] <= 23) {
5410: param[i] -= 16;
5411: } else {
5412: param[i] -= 30;
5413: }
5414: if(param[i] & 1) {
5415: wAttributes |= FOREGROUND_RED;
5416: }
5417: if(param[i] & 2) {
5418: wAttributes |= FOREGROUND_GREEN;
5419: }
5420: if(param[i] & 4) {
5421: wAttributes |= FOREGROUND_BLUE;
5422: }
5423: } else if(param[i] >= 40 && param[i] <= 47) {
5424: wAttributes &= ~(BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE);
5425: if((param[i] - 40) & 1) {
5426: wAttributes |= BACKGROUND_RED;
5427: }
5428: if((param[i] - 40) & 2) {
5429: wAttributes |= BACKGROUND_GREEN;
5430: }
5431: if((param[i] - 40) & 4) {
5432: wAttributes |= BACKGROUND_BLUE;
5433: }
5434: }
5435: }
5436: if(reverse) {
5437: wAttributes &= ~0xff;
5438: wAttributes |= BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE;
5439: }
5440: if(hidden) {
5441: wAttributes &= ~0x0f;
5442: wAttributes |= (wAttributes >> 4) & 0x0f;
5443: }
5444: } else if(data == 'n') {
5445: if(param[0] == 6) {
5446: char tmp[16];
5447: sprintf(tmp, "\x1b[%d;%dR", co.Y + 1, co.X + 1);
5448: int len = strlen(tmp);
1.1.1.32 root 5449: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 5450: #ifdef USE_SERVICE_THREAD
5451: EnterCriticalSection(&key_buf_crit_sect);
5452: #endif
1.1.1.32 root 5453: for(int i = 0; i < len; i++) {
1.1.1.51 root 5454: pcbios_set_key_buffer(tmp[i], 0x00);
1.1.1.32 root 5455: }
1.1.1.35 root 5456: #ifdef USE_SERVICE_THREAD
5457: LeaveCriticalSection(&key_buf_crit_sect);
5458: #endif
1.1 root 5459: }
5460: }
5461: } else if(data == 's') {
5462: stored_x = co.X;
5463: stored_y = co.Y;
5464: stored_a = wAttributes;
5465: } else if(data == 'u') {
5466: co.X = stored_x;
5467: co.Y = stored_y;
5468: wAttributes = stored_a;
5469: }
5470: }
5471: if(co.X < 0) {
5472: co.X = 0;
5473: } else if(co.X >= csbi.dwSize.X) {
5474: co.X = csbi.dwSize.X - 1;
5475: }
1.1.1.14 root 5476: if(co.Y < csbi.srWindow.Top) {
5477: co.Y = csbi.srWindow.Top;
5478: } else if(co.Y > csbi.srWindow.Bottom) {
5479: co.Y = csbi.srWindow.Bottom;
1.1 root 5480: }
5481: if(co.X != csbi.dwCursorPosition.X || co.Y != csbi.dwCursorPosition.Y) {
5482: SetConsoleCursorPosition(hStdout, co);
5483: mem[0x450 + mem[0x462] * 2] = co.X;
1.1.1.14 root 5484: mem[0x451 + mem[0x462] * 2] = co.Y - csbi.srWindow.Top;
1.1 root 5485: cursor_moved = false;
5486: }
5487: if(wAttributes != csbi.wAttributes) {
5488: SetConsoleTextAttribute(hStdout, wAttributes);
5489: }
5490: p = is_esc = 0;
5491: }
5492: return;
5493: } else {
5494: if(msdos_lead_byte_check(data)) {
5495: is_kanji = 1;
5496: return;
5497: } else if(data == 0x1b) {
5498: is_esc = 1;
5499: return;
5500: }
5501: }
1.1.1.20 root 5502:
5503: DWORD q = 0, num;
5504: is_kanji = 0;
5505: for(int i = 0; i < p; i++) {
5506: UINT8 c = tmp[i];
5507: if(is_kanji) {
5508: is_kanji = 0;
5509: } else if(msdos_lead_byte_check(data)) {
5510: is_kanji = 1;
5511: } else if(msdos_ctrl_code_check(data)) {
5512: out[q++] = '^';
5513: c += 'A' - 1;
5514: }
5515: out[q++] = c;
5516: }
1.1.1.34 root 5517: if(q == 1 && out[0] == 0x08) {
5518: // back space
5519: GetConsoleScreenBufferInfo(hStdout, &csbi);
5520: if(csbi.dwCursorPosition.X > 0) {
5521: co.X = csbi.dwCursorPosition.X - 1;
5522: co.Y = csbi.dwCursorPosition.Y;
5523: SetConsoleCursorPosition(hStdout, co);
5524: } else if(csbi.dwCursorPosition.Y > 0) {
5525: co.X = csbi.dwSize.X - 1;
5526: co.Y = csbi.dwCursorPosition.Y - 1;
5527: SetConsoleCursorPosition(hStdout, co);
5528: } else {
5529: WriteConsole(hStdout, out, q, &num, NULL); // to make sure
5530: }
5531: } else {
5532: WriteConsole(hStdout, out, q, &num, NULL);
5533: }
1.1 root 5534: p = 0;
1.1.1.14 root 5535:
1.1.1.15 root 5536: if(!restore_console_on_exit) {
5537: GetConsoleScreenBufferInfo(hStdout, &csbi);
5538: scr_top = csbi.srWindow.Top;
5539: }
1.1 root 5540: cursor_moved = true;
5541: }
5542:
5543: int msdos_aux_in()
5544: {
1.1.1.21 root 5545: msdos_stdio_reopen();
5546:
1.1.1.20 root 5547: process_t *process = msdos_process_info_get(current_psp);
5548: int fd = msdos_psp_get_file_table(3, current_psp);
5549:
5550: if(fd < process->max_files && file_handler[fd].valid && !eof(fd)) {
1.1 root 5551: char data = 0;
1.1.1.37 root 5552: msdos_read(fd, &data, 1);
1.1 root 5553: return(data);
5554: } else {
5555: return(EOF);
5556: }
5557: }
5558:
5559: void msdos_aux_out(char data)
5560: {
1.1.1.21 root 5561: msdos_stdio_reopen();
5562:
1.1.1.20 root 5563: process_t *process = msdos_process_info_get(current_psp);
5564: int fd = msdos_psp_get_file_table(3, current_psp);
5565:
5566: if(fd < process->max_files && file_handler[fd].valid) {
5567: msdos_write(fd, &data, 1);
1.1 root 5568: }
5569: }
5570:
5571: void msdos_prn_out(char data)
5572: {
1.1.1.21 root 5573: msdos_stdio_reopen();
5574:
1.1.1.20 root 5575: process_t *process = msdos_process_info_get(current_psp);
5576: int fd = msdos_psp_get_file_table(4, current_psp);
5577:
5578: if(fd < process->max_files && file_handler[fd].valid) {
5579: msdos_write(fd, &data, 1);
1.1 root 5580: }
5581: }
5582:
5583: // memory control
5584:
1.1.1.52 root 5585: mcb_t *msdos_mcb_create(int mcb_seg, UINT8 mz, UINT16 psp, int paragraphs, const char *prog_name = NULL)
1.1 root 5586: {
5587: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5588:
5589: mcb->mz = mz;
5590: mcb->psp = psp;
1.1.1.30 root 5591: mcb->paragraphs = paragraphs;
1.1.1.39 root 5592:
5593: if(prog_name != NULL) {
5594: memset(mcb->prog_name, 0, 8);
5595: memcpy(mcb->prog_name, prog_name, min(8, strlen(prog_name)));
5596: }
1.1 root 5597: return(mcb);
5598: }
5599:
5600: void msdos_mcb_check(mcb_t *mcb)
5601: {
5602: if(!(mcb->mz == 'M' || mcb->mz == 'Z')) {
1.1.1.28 root 5603: #if 0
5604: // shutdown now !!!
5605: fatalerror("broken memory control block\n");
5606: #else
5607: // return error code and continue
5608: throw(0x07); // broken memory control block
5609: #endif
1.1 root 5610: }
5611: }
5612:
1.1.1.39 root 5613: void msdos_mem_split(int seg, int paragraphs)
1.1 root 5614: {
5615: int mcb_seg = seg - 1;
5616: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5617: msdos_mcb_check(mcb);
5618:
1.1.1.30 root 5619: if(mcb->paragraphs > paragraphs) {
1.1 root 5620: int new_seg = mcb_seg + 1 + paragraphs;
1.1.1.30 root 5621: int new_paragraphs = mcb->paragraphs - paragraphs - 1;
1.1 root 5622:
5623: msdos_mcb_create(new_seg, mcb->mz, 0, new_paragraphs);
5624: mcb->mz = 'M';
1.1.1.30 root 5625: mcb->paragraphs = paragraphs;
1.1 root 5626: }
5627: }
5628:
5629: void msdos_mem_merge(int seg)
5630: {
5631: int mcb_seg = seg - 1;
5632: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5633: msdos_mcb_check(mcb);
5634:
5635: while(1) {
5636: if(mcb->mz == 'Z') {
5637: break;
5638: }
1.1.1.30 root 5639: int next_seg = mcb_seg + 1 + mcb->paragraphs;
1.1 root 5640: mcb_t *next_mcb = (mcb_t *)(mem + (next_seg << 4));
5641: msdos_mcb_check(next_mcb);
5642:
5643: if(next_mcb->psp != 0) {
5644: break;
5645: }
5646: mcb->mz = next_mcb->mz;
1.1.1.30 root 5647: mcb->paragraphs = mcb->paragraphs + 1 + next_mcb->paragraphs;
1.1 root 5648: }
5649: }
5650:
1.1.1.8 root 5651: int msdos_mem_alloc(int mcb_seg, int paragraphs, int new_process)
1.1 root 5652: {
5653: while(1) {
5654: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1.1.33 root 5655: bool last_block;
1.1 root 5656:
1.1.1.14 root 5657: if(mcb->psp == 0) {
5658: msdos_mem_merge(mcb_seg + 1);
5659: } else {
5660: msdos_mcb_check(mcb);
5661: }
1.1.1.33 root 5662: if(!(last_block = (mcb->mz == 'Z'))) {
5663: // check if the next is dummy mcb to link to umb
5664: int next_seg = mcb_seg + 1 + mcb->paragraphs;
5665: mcb_t *next_mcb = (mcb_t *)(mem + (next_seg << 4));
5666: last_block = (next_mcb->mz == 'Z' && next_mcb->paragraphs == 0);
5667: }
5668: if(!(new_process && !last_block)) {
1.1.1.30 root 5669: if(mcb->psp == 0 && mcb->paragraphs >= paragraphs) {
1.1 root 5670: msdos_mem_split(mcb_seg + 1, paragraphs);
5671: mcb->psp = current_psp;
5672: return(mcb_seg + 1);
5673: }
5674: }
5675: if(mcb->mz == 'Z') {
5676: break;
5677: }
1.1.1.30 root 5678: mcb_seg += 1 + mcb->paragraphs;
1.1 root 5679: }
5680: return(-1);
5681: }
5682:
5683: int msdos_mem_realloc(int seg, int paragraphs, int *max_paragraphs)
5684: {
5685: int mcb_seg = seg - 1;
5686: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5687: msdos_mcb_check(mcb);
1.1.1.30 root 5688: int current_paragraphs = mcb->paragraphs;
1.1 root 5689:
5690: msdos_mem_merge(seg);
1.1.1.30 root 5691: if(paragraphs > mcb->paragraphs) {
1.1.1.14 root 5692: if(max_paragraphs) {
1.1.1.30 root 5693: *max_paragraphs = mcb->paragraphs;
1.1.1.14 root 5694: }
1.1 root 5695: msdos_mem_split(seg, current_paragraphs);
5696: return(-1);
5697: }
5698: msdos_mem_split(seg, paragraphs);
5699: return(0);
5700: }
5701:
5702: void msdos_mem_free(int seg)
5703: {
5704: int mcb_seg = seg - 1;
5705: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5706: msdos_mcb_check(mcb);
5707:
5708: mcb->psp = 0;
5709: msdos_mem_merge(seg);
5710: }
5711:
1.1.1.8 root 5712: int msdos_mem_get_free(int mcb_seg, int new_process)
1.1 root 5713: {
5714: int max_paragraphs = 0;
5715:
5716: while(1) {
5717: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1.1.33 root 5718: bool last_block;
5719:
1.1 root 5720: msdos_mcb_check(mcb);
5721:
1.1.1.33 root 5722: if(!(last_block = (mcb->mz == 'Z'))) {
5723: // check if the next is dummy mcb to link to umb
5724: int next_seg = mcb_seg + 1 + mcb->paragraphs;
5725: mcb_t *next_mcb = (mcb_t *)(mem + (next_seg << 4));
5726: last_block = (next_mcb->mz == 'Z' && next_mcb->paragraphs == 0);
5727: }
5728: if(!(new_process && !last_block)) {
1.1.1.30 root 5729: if(mcb->psp == 0 && mcb->paragraphs > max_paragraphs) {
5730: max_paragraphs = mcb->paragraphs;
1.1 root 5731: }
5732: }
5733: if(mcb->mz == 'Z') {
5734: break;
5735: }
1.1.1.30 root 5736: mcb_seg += 1 + mcb->paragraphs;
1.1 root 5737: }
1.1.1.14 root 5738: return(max_paragraphs > 0x7fff && limit_max_memory ? 0x7fff : max_paragraphs);
1.1 root 5739: }
5740:
1.1.1.8 root 5741: int msdos_mem_get_last_mcb(int mcb_seg, UINT16 psp)
5742: {
5743: int last_seg = -1;
5744:
5745: while(1) {
5746: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5747: msdos_mcb_check(mcb);
5748:
1.1.1.14 root 5749: if(mcb->psp == psp) {
1.1.1.8 root 5750: last_seg = mcb_seg;
5751: }
1.1.1.14 root 5752: if(mcb->mz == 'Z') {
5753: break;
5754: }
1.1.1.30 root 5755: mcb_seg += 1 + mcb->paragraphs;
1.1.1.8 root 5756: }
5757: return(last_seg);
5758: }
5759:
1.1.1.19 root 5760: int msdos_mem_get_umb_linked()
5761: {
1.1.1.33 root 5762: mcb_t *mcb = (mcb_t *)(mem + MEMORY_END - 16);
5763: msdos_mcb_check(mcb);
1.1.1.19 root 5764:
1.1.1.33 root 5765: if(mcb->mz == 'M') {
5766: return(-1);
1.1.1.19 root 5767: }
5768: return(0);
5769: }
5770:
1.1.1.33 root 5771: void msdos_mem_link_umb()
1.1.1.19 root 5772: {
1.1.1.33 root 5773: mcb_t *mcb = (mcb_t *)(mem + MEMORY_END - 16);
5774: msdos_mcb_check(mcb);
1.1.1.19 root 5775:
1.1.1.33 root 5776: mcb->mz = 'M';
5777: mcb->paragraphs = (UMB_TOP >> 4) - (MEMORY_END >> 4);
1.1.1.39 root 5778:
5779: ((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked |= 0x01;
1.1.1.19 root 5780: }
5781:
1.1.1.33 root 5782: void msdos_mem_unlink_umb()
1.1.1.19 root 5783: {
1.1.1.33 root 5784: mcb_t *mcb = (mcb_t *)(mem + MEMORY_END - 16);
5785: msdos_mcb_check(mcb);
1.1.1.19 root 5786:
1.1.1.33 root 5787: mcb->mz = 'Z';
5788: mcb->paragraphs = 0;
1.1.1.39 root 5789:
5790: ((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked &= ~0x01;
1.1.1.19 root 5791: }
5792:
1.1.1.29 root 5793: #ifdef SUPPORT_HMA
5794:
5795: hma_mcb_t *msdos_hma_mcb_create(int offset, int owner, int size, int next)
5796: {
5797: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5798:
5799: mcb->ms[0] = 'M';
5800: mcb->ms[1] = 'S';
5801: mcb->owner = owner;
5802: mcb->size = size;
5803: mcb->next = next;
5804: return(mcb);
5805: }
5806:
5807: bool msdos_is_hma_mcb_valid(hma_mcb_t *mcb)
5808: {
5809: return(mcb->ms[0] == 'M' && mcb->ms[1] == 'S');
5810: }
5811:
5812: int msdos_hma_mem_split(int offset, int size)
5813: {
5814: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5815:
5816: if(!msdos_is_hma_mcb_valid(mcb)) {
5817: return(-1);
5818: }
5819: if(mcb->size >= size + 0x10) {
5820: int new_offset = offset + 0x10 + size;
5821: int new_size = mcb->size - 0x10 - size;
5822:
5823: msdos_hma_mcb_create(new_offset, 0, new_size, mcb->next);
5824: mcb->size = size;
5825: mcb->next = new_offset;
5826: return(0);
5827: }
5828: return(-1);
5829: }
5830:
5831: void msdos_hma_mem_merge(int offset)
5832: {
5833: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5834:
5835: if(!msdos_is_hma_mcb_valid(mcb)) {
5836: return;
5837: }
5838: while(1) {
5839: if(mcb->next == 0) {
5840: break;
5841: }
5842: hma_mcb_t *next_mcb = (hma_mcb_t *)(mem + 0xffff0 + mcb->next);
5843:
5844: if(!msdos_is_hma_mcb_valid(next_mcb)) {
5845: return;
5846: }
5847: if(next_mcb->owner != 0) {
5848: break;
5849: }
5850: mcb->size += 0x10 + next_mcb->size;
5851: mcb->next = next_mcb->next;
5852: }
5853: }
5854:
5855: int msdos_hma_mem_alloc(int size, UINT16 owner)
5856: {
5857: int offset = 0x10; // first mcb in HMA
5858:
5859: while(1) {
5860: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5861:
5862: if(!msdos_is_hma_mcb_valid(mcb)) {
5863: return(-1);
5864: }
5865: if(mcb->owner == 0) {
5866: msdos_hma_mem_merge(offset);
5867: }
5868: if(mcb->owner == 0 && mcb->size >= size) {
5869: msdos_hma_mem_split(offset, size);
5870: mcb->owner = owner;
5871: return(offset);
5872: }
5873: if(mcb->next == 0) {
5874: break;
5875: }
5876: offset = mcb->next;
5877: }
5878: return(-1);
5879: }
5880:
5881: int msdos_hma_mem_realloc(int offset, int size)
5882: {
5883: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5884:
5885: if(!msdos_is_hma_mcb_valid(mcb)) {
5886: return(-1);
5887: }
5888: if(mcb->size < size) {
5889: return(-1);
5890: }
5891: msdos_hma_mem_split(offset, size);
5892: return(0);
5893: }
5894:
5895: void msdos_hma_mem_free(int offset)
5896: {
5897: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5898:
5899: if(!msdos_is_hma_mcb_valid(mcb)) {
5900: return;
5901: }
5902: mcb->owner = 0;
5903: msdos_hma_mem_merge(offset);
5904: }
5905:
5906: int msdos_hma_mem_get_free(int *available_offset)
5907: {
5908: int offset = 0x10; // first mcb in HMA
5909: int size = 0;
5910:
5911: while(1) {
5912: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5913:
5914: if(!msdos_is_hma_mcb_valid(mcb)) {
5915: return(0);
5916: }
5917: if(mcb->owner == 0 && size < mcb->size) {
5918: if(available_offset != NULL) {
5919: *available_offset = offset;
5920: }
5921: size = mcb->size;
5922: }
5923: if(mcb->next == 0) {
5924: break;
5925: }
5926: offset = mcb->next;
5927: }
5928: return(size);
5929: }
5930:
5931: #endif
5932:
1.1 root 5933: // environment
5934:
1.1.1.45 root 5935: void msdos_env_set_argv(int env_seg, const char *argv)
1.1 root 5936: {
5937: char *dst = (char *)(mem + (env_seg << 4));
5938:
5939: while(1) {
5940: if(dst[0] == 0) {
5941: break;
5942: }
5943: dst += strlen(dst) + 1;
5944: }
5945: *dst++ = 0; // end of environment
5946: *dst++ = 1; // top of argv[0]
5947: *dst++ = 0;
5948: memcpy(dst, argv, strlen(argv));
5949: dst += strlen(argv);
5950: *dst++ = 0;
5951: *dst++ = 0;
5952: }
5953:
1.1.1.45 root 5954: const char *msdos_env_get_argv(int env_seg)
1.1 root 5955: {
5956: static char env[ENV_SIZE];
5957: char *src = env;
5958:
5959: memcpy(src, mem + (env_seg << 4), ENV_SIZE);
5960: while(1) {
5961: if(src[0] == 0) {
5962: if(src[1] == 1) {
5963: return(src + 3);
5964: }
5965: break;
5966: }
5967: src += strlen(src) + 1;
5968: }
5969: return(NULL);
5970: }
5971:
1.1.1.45 root 5972: const char *msdos_env_get(int env_seg, const char *name)
1.1 root 5973: {
5974: static char env[ENV_SIZE];
5975: char *src = env;
5976:
5977: memcpy(src, mem + (env_seg << 4), ENV_SIZE);
5978: while(1) {
5979: if(src[0] == 0) {
5980: break;
5981: }
5982: int len = strlen(src);
5983: char *n = my_strtok(src, "=");
5984: char *v = src + strlen(n) + 1;
5985:
5986: if(_stricmp(name, n) == 0) {
5987: return(v);
5988: }
5989: src += len + 1;
5990: }
5991: return(NULL);
5992: }
5993:
1.1.1.45 root 5994: void msdos_env_set(int env_seg, const char *name, const char *value)
1.1 root 5995: {
5996: char env[ENV_SIZE];
5997: char *src = env;
5998: char *dst = (char *)(mem + (env_seg << 4));
1.1.1.45 root 5999: const char *argv = msdos_env_get_argv(env_seg);
1.1 root 6000: int done = 0;
6001:
6002: memcpy(src, dst, ENV_SIZE);
6003: memset(dst, 0, ENV_SIZE);
6004: while(1) {
6005: if(src[0] == 0) {
6006: break;
6007: }
6008: int len = strlen(src);
6009: char *n = my_strtok(src, "=");
6010: char *v = src + strlen(n) + 1;
6011: char tmp[1024];
6012:
6013: if(_stricmp(name, n) == 0) {
6014: sprintf(tmp, "%s=%s", n, value);
6015: done = 1;
6016: } else {
6017: sprintf(tmp, "%s=%s", n, v);
6018: }
6019: memcpy(dst, tmp, strlen(tmp));
6020: dst += strlen(tmp) + 1;
6021: src += len + 1;
6022: }
6023: if(!done) {
6024: char tmp[1024];
6025:
6026: sprintf(tmp, "%s=%s", name, value);
6027: memcpy(dst, tmp, strlen(tmp));
6028: dst += strlen(tmp) + 1;
6029: }
6030: if(argv) {
6031: *dst++ = 0; // end of environment
6032: *dst++ = 1; // top of argv[0]
6033: *dst++ = 0;
6034: memcpy(dst, argv, strlen(argv));
6035: dst += strlen(argv);
6036: *dst++ = 0;
6037: *dst++ = 0;
6038: }
6039: }
6040:
6041: // process
6042:
1.1.1.8 root 6043: psp_t *msdos_psp_create(int psp_seg, UINT16 mcb_seg, UINT16 parent_psp, UINT16 env_seg)
1.1 root 6044: {
6045: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
6046:
6047: memset(psp, 0, PSP_SIZE);
6048: psp->exit[0] = 0xcd;
6049: psp->exit[1] = 0x20;
1.1.1.8 root 6050: psp->first_mcb = mcb_seg;
1.1.1.46 root 6051: #if 1
1.1.1.49 root 6052: psp->call5[0] = 0xcd; // int 30h
6053: psp->call5[1] = 0x30;
1.1.1.46 root 6054: psp->call5[2] = 0xc3; // ret
6055: #else
6056: psp->call5[0] = 0x8a; // mov ah, cl
6057: psp->call5[1] = 0xe1;
6058: psp->call5[2] = 0xcd; // int 21h
6059: psp->call5[3] = 0x21;
6060: psp->call5[4] = 0xc3; // ret
6061: #endif
1.1 root 6062: psp->int_22h.dw = *(UINT32 *)(mem + 4 * 0x22);
6063: psp->int_23h.dw = *(UINT32 *)(mem + 4 * 0x23);
6064: psp->int_24h.dw = *(UINT32 *)(mem + 4 * 0x24);
6065: psp->parent_psp = parent_psp;
1.1.1.20 root 6066: if(parent_psp == (UINT16)-1) {
6067: for(int i = 0; i < 20; i++) {
6068: if(file_handler[i].valid) {
6069: psp->file_table[i] = i;
6070: } else {
6071: psp->file_table[i] = 0xff;
6072: }
1.1 root 6073: }
1.1.1.20 root 6074: } else {
6075: memcpy(psp->file_table, ((psp_t *)(mem + (parent_psp << 4)))->file_table, 20);
1.1 root 6076: }
6077: psp->env_seg = env_seg;
6078: psp->stack.w.l = REG16(SP);
1.1.1.3 root 6079: psp->stack.w.h = SREG(SS);
1.1.1.14 root 6080: psp->file_table_size = 20;
6081: psp->file_table_ptr.w.l = 0x18;
6082: psp->file_table_ptr.w.h = psp_seg;
1.1 root 6083: psp->service[0] = 0xcd;
6084: psp->service[1] = 0x21;
6085: psp->service[2] = 0xcb;
6086: return(psp);
6087: }
6088:
1.1.1.20 root 6089: void msdos_psp_set_file_table(int fd, UINT8 value, int psp_seg)
6090: {
6091: if(psp_seg && fd < 20) {
6092: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
6093: psp->file_table[fd] = value;
6094: }
6095: }
6096:
6097: int msdos_psp_get_file_table(int fd, int psp_seg)
6098: {
6099: if(psp_seg && fd < 20) {
6100: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
6101: fd = psp->file_table[fd];
6102: }
6103: return fd;
6104: }
6105:
1.1.1.52 root 6106: int msdos_process_exec(const char *cmd, param_block_t *param, UINT8 al, bool first_process = false)
1.1 root 6107: {
6108: // load command file
6109: int fd = -1;
1.1.1.45 root 6110: int sio_port = 0;
6111: int lpt_port = 0;
1.1 root 6112: int dos_command = 0;
1.1.1.24 root 6113: char command[MAX_PATH], path[MAX_PATH], opt[MAX_PATH], *name = NULL, name_tmp[MAX_PATH];
1.1.1.38 root 6114: char pipe_stdin_path[MAX_PATH] = {0};
6115: char pipe_stdout_path[MAX_PATH] = {0};
1.1.1.39 root 6116: char pipe_stderr_path[MAX_PATH] = {0};
1.1 root 6117:
6118: int opt_ofs = (param->cmd_line.w.h << 4) + param->cmd_line.w.l;
6119: int opt_len = mem[opt_ofs];
6120: memset(opt, 0, sizeof(opt));
6121: memcpy(opt, mem + opt_ofs + 1, opt_len);
6122:
1.1.1.14 root 6123: if(strlen(cmd) >= 5 && _stricmp(&cmd[strlen(cmd) - 4], ".BAT") == 0) {
6124: // this is a batch file, run command.com
6125: char tmp[MAX_PATH];
6126: if(opt_len != 0) {
6127: sprintf(tmp, "/C %s %s", cmd, opt);
6128: } else {
6129: sprintf(tmp, "/C %s", cmd);
6130: }
6131: strcpy(opt, tmp);
6132: opt_len = strlen(opt);
6133: mem[opt_ofs] = opt_len;
6134: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
6135: strcpy(command, comspec_path);
6136: strcpy(name_tmp, "COMMAND.COM");
6137: } else {
6138: if(_stricmp(cmd, "C:\\COMMAND.COM") == 0) {
6139: // redirect C:\COMMAND.COM to comspec_path
6140: strcpy(command, comspec_path);
6141: } else {
6142: strcpy(command, cmd);
6143: }
1.1.1.24 root 6144: if(GetFullPathName(command, MAX_PATH, path, &name) == 0) {
6145: return(-1);
6146: }
1.1.1.14 root 6147: memset(name_tmp, 0, sizeof(name_tmp));
6148: strcpy(name_tmp, name);
6149:
6150: // check command.com
1.1.1.38 root 6151: if((_stricmp(name, "COMMAND.COM") == 0 || _stricmp(name, "COMMAND") == 0) && _access(comspec_path, 0) != 0) {
6152: // we can not load command.com, so run program directly if "command /c (program)" is specified
1.1.1.14 root 6153: if(opt_len == 0) {
6154: // process_t *current_process = msdos_process_info_get(current_psp);
6155: process_t *current_process = NULL;
6156: for(int i = 0; i < MAX_PROCESS; i++) {
6157: if(process[i].psp == current_psp) {
6158: current_process = &process[i];
6159: break;
6160: }
6161: }
6162: if(current_process != NULL) {
6163: param->cmd_line.dw = current_process->dta.dw;
6164: opt_ofs = (param->cmd_line.w.h << 4) + param->cmd_line.w.l;
6165: opt_len = mem[opt_ofs];
6166: memset(opt, 0, sizeof(opt));
6167: memcpy(opt, mem + opt_ofs + 1, opt_len);
6168: }
6169: }
6170: for(int i = 0; i < opt_len; i++) {
6171: if(opt[i] == ' ') {
6172: continue;
6173: }
6174: if(opt[i] == '/' && (opt[i + 1] == 'c' || opt[i + 1] == 'C') && opt[i + 2] == ' ') {
6175: for(int j = i + 3; j < opt_len; j++) {
6176: if(opt[j] == ' ') {
6177: continue;
6178: }
6179: char *token = my_strtok(opt + j, " ");
6180:
1.1.1.38 root 6181: strcpy(command, token);
6182: char tmp[MAX_PATH];
6183: strcpy(tmp, token + strlen(token) + 1);
1.1.1.39 root 6184: strcpy(opt, "");
6185: for(int i = 0; i < strlen(tmp); i++) {
6186: if(tmp[i] != ' ') {
6187: strcpy(opt, tmp + i);
6188: break;
6189: }
6190: }
6191: strcpy(tmp, opt);
1.1.1.38 root 6192:
6193: if(al == 0x00) {
1.1.1.39 root 6194: #define GET_FILE_PATH() { \
6195: if(token[0] != '>' && token[0] != '<') { \
6196: token++; \
6197: } \
6198: token++; \
6199: while(*token == ' ') { \
6200: token++; \
6201: } \
6202: char *ptr = token; \
6203: while(*ptr != ' ' && *ptr != '\r' && *ptr != '\0') { \
6204: ptr++; \
6205: } \
6206: *ptr = '\0'; \
6207: }
6208: if((token = strstr(opt, "0<")) != NULL || (token = strstr(opt, "<")) != NULL) {
6209: GET_FILE_PATH();
1.1.1.38 root 6210: strcpy(pipe_stdin_path, token);
6211: strcpy(opt, tmp);
6212: }
1.1.1.39 root 6213: if((token = strstr(opt, "1>")) != NULL || (token = strstr(opt, ">")) != NULL) {
6214: GET_FILE_PATH();
1.1.1.38 root 6215: strcpy(pipe_stdout_path, token);
6216: strcpy(opt, tmp);
6217: }
1.1.1.39 root 6218: if((token = strstr(opt, "2>")) != NULL) {
6219: GET_FILE_PATH();
6220: strcpy(pipe_stderr_path, token);
6221: strcpy(opt, tmp);
6222: }
6223: #undef GET_FILE_PATH
6224:
6225: if((token = strstr(opt, "0<")) != NULL) {
6226: *token = '\0';
6227: }
6228: if((token = strstr(opt, "1>")) != NULL) {
6229: *token = '\0';
6230: }
6231: if((token = strstr(opt, "2>")) != NULL) {
6232: *token = '\0';
6233: }
1.1.1.38 root 6234: if((token = strstr(opt, "<")) != NULL) {
6235: *token = '\0';
6236: }
6237: if((token = strstr(opt, ">")) != NULL) {
6238: *token = '\0';
6239: }
1.1.1.14 root 6240: }
1.1.1.39 root 6241: for(int i = strlen(opt) - 1; i >= 0 && opt[i] == ' '; i--) {
6242: opt[i] = '\0';
6243: }
1.1.1.38 root 6244: opt_len = strlen(opt);
6245: mem[opt_ofs] = opt_len;
6246: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
6247: dos_command = 1;
1.1.1.14 root 6248: break;
1.1 root 6249: }
6250: }
1.1.1.14 root 6251: break;
1.1 root 6252: }
6253: }
6254: }
6255:
6256: // load command file
6257: strcpy(path, command);
6258: if((fd = _open(path, _O_RDONLY | _O_BINARY)) == -1) {
6259: sprintf(path, "%s.COM", command);
6260: if((fd = _open(path, _O_RDONLY | _O_BINARY)) == -1) {
6261: sprintf(path, "%s.EXE", command);
6262: if((fd = _open(path, _O_RDONLY | _O_BINARY)) == -1) {
1.1.1.14 root 6263: sprintf(path, "%s.BAT", command);
6264: if(_access(path, 0) == 0) {
6265: // this is a batch file, run command.com
6266: char tmp[MAX_PATH];
6267: if(opt_len != 0) {
6268: sprintf(tmp, "/C %s %s", path, opt);
6269: } else {
6270: sprintf(tmp, "/C %s", path);
6271: }
6272: strcpy(opt, tmp);
6273: opt_len = strlen(opt);
6274: mem[opt_ofs] = opt_len;
6275: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
6276: strcpy(path, comspec_path);
6277: strcpy(name_tmp, "COMMAND.COM");
6278: fd = _open(path, _O_RDONLY | _O_BINARY);
6279: } else {
6280: // search path in parent environments
6281: psp_t *parent_psp = (psp_t *)(mem + (current_psp << 4));
1.1.1.45 root 6282: const char *env = msdos_env_get(parent_psp->env_seg, "PATH");
1.1.1.14 root 6283: if(env != NULL) {
6284: char env_path[4096];
6285: strcpy(env_path, env);
6286: char *token = my_strtok(env_path, ";");
6287:
6288: while(token != NULL) {
6289: if(strlen(token) != 0) {
6290: sprintf(path, "%s", msdos_combine_path(token, command));
6291: if((fd = _open(path, _O_RDONLY | _O_BINARY)) != -1) {
6292: break;
6293: }
6294: sprintf(path, "%s.COM", msdos_combine_path(token, command));
6295: if((fd = _open(path, _O_RDONLY | _O_BINARY)) != -1) {
6296: break;
6297: }
6298: sprintf(path, "%s.EXE", msdos_combine_path(token, command));
6299: if((fd = _open(path, _O_RDONLY | _O_BINARY)) != -1) {
6300: break;
6301: }
6302: sprintf(path, "%s.BAT", msdos_combine_path(token, command));
6303: if(_access(path, 0) == 0) {
6304: // this is a batch file, run command.com
6305: char tmp[MAX_PATH];
6306: if(opt_len != 0) {
6307: sprintf(tmp, "/C %s %s", path, opt);
6308: } else {
6309: sprintf(tmp, "/C %s", path);
6310: }
6311: strcpy(opt, tmp);
6312: opt_len = strlen(opt);
6313: mem[opt_ofs] = opt_len;
6314: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
6315: strcpy(path, comspec_path);
6316: strcpy(name_tmp, "COMMAND.COM");
6317: fd = _open(path, _O_RDONLY | _O_BINARY);
6318: break;
6319: }
1.1.1.8 root 6320: }
1.1.1.14 root 6321: token = my_strtok(NULL, ";");
1.1 root 6322: }
6323: }
6324: }
6325: }
6326: }
6327: }
6328: if(fd == -1) {
1.1.1.38 root 6329: // we can not find command.com in the path, so open comspec_path
6330: if(_stricmp(command, "COMMAND.COM") == 0 || _stricmp(command, "COMMAND") == 0) {
6331: strcpy(command, comspec_path);
6332: strcpy(path, command);
6333: fd = _open(path, _O_RDONLY | _O_BINARY);
6334: }
6335: }
6336: if(fd == -1) {
1.1.1.52 root 6337: if(!first_process && al == 0 && dos_command) {
1.1 root 6338: // may be dos command
6339: char tmp[MAX_PATH];
1.1.1.52 root 6340: if(opt_len != 0) {
6341: sprintf(tmp, "%s %s", command, opt);
6342: } else {
6343: sprintf(tmp, "%s", command);
6344: }
6345: retval = system(tmp);
1.1 root 6346: return(0);
6347: } else {
6348: return(-1);
6349: }
6350: }
1.1.1.52 root 6351: memset(file_buffer, 0, sizeof(file_buffer));
1.1 root 6352: _read(fd, file_buffer, sizeof(file_buffer));
6353: _close(fd);
6354:
1.1.1.52 root 6355: // check if this is win32 program
6356: if(!first_process && al == 0) {
6357: UINT16 sign_dos = *(UINT16 *)(file_buffer + 0x00);
6358: UINT32 e_lfanew = *(UINT32 *)(file_buffer + 0x3c);
6359: if(sign_dos == IMAGE_DOS_SIGNATURE && e_lfanew >= 0x40 && e_lfanew < 0x400) {
6360: UINT32 sign_nt = *(UINT32 *)(file_buffer + e_lfanew + 0x00);
6361: UINT16 machine = *(UINT16 *)(file_buffer + e_lfanew + 0x04);
6362: if(sign_nt == IMAGE_NT_SIGNATURE && (machine == IMAGE_FILE_MACHINE_I386 || machine == IMAGE_FILE_MACHINE_AMD64)) {
6363: char tmp[MAX_PATH];
6364: if(opt_len != 0) {
6365: sprintf(tmp, "\"%s\" %s", path, opt);
6366: } else {
6367: sprintf(tmp, "\"%s\"", path);
6368: }
6369: retval = system(tmp);
6370: return(0);
6371: }
6372: }
6373: }
6374:
1.1 root 6375: // copy environment
1.1.1.29 root 6376: int umb_linked, env_seg, psp_seg;
1.1 root 6377:
1.1.1.29 root 6378: if((umb_linked = msdos_mem_get_umb_linked()) != 0) {
6379: msdos_mem_unlink_umb();
6380: }
1.1.1.8 root 6381: if((env_seg = msdos_mem_alloc(first_mcb, ENV_SIZE >> 4, 1)) == -1) {
1.1.1.29 root 6382: if((env_seg = msdos_mem_alloc(UMB_TOP >> 4, ENV_SIZE >> 4, 1)) == -1) {
6383: if(umb_linked != 0) {
6384: msdos_mem_link_umb();
6385: }
6386: return(-1);
6387: }
1.1 root 6388: }
6389: if(param->env_seg == 0) {
6390: psp_t *parent_psp = (psp_t *)(mem + (current_psp << 4));
6391: memcpy(mem + (env_seg << 4), mem + (parent_psp->env_seg << 4), ENV_SIZE);
6392: } else {
6393: memcpy(mem + (env_seg << 4), mem + (param->env_seg << 4), ENV_SIZE);
6394: }
6395: msdos_env_set_argv(env_seg, msdos_short_full_path(path));
6396:
6397: // check exe header
6398: exe_header_t *header = (exe_header_t *)file_buffer;
1.1.1.8 root 6399: int paragraphs, free_paragraphs = msdos_mem_get_free(first_mcb, 1);
1.1 root 6400: UINT16 cs, ss, ip, sp;
6401:
6402: if(header->mz == 0x4d5a || header->mz == 0x5a4d) {
6403: // memory allocation
6404: int header_size = header->header_size * 16;
6405: int load_size = header->pages * 512 - header_size;
6406: if(header_size + load_size < 512) {
6407: load_size = 512 - header_size;
6408: }
6409: paragraphs = (PSP_SIZE + load_size) >> 4;
6410: if(paragraphs + header->min_alloc > free_paragraphs) {
6411: msdos_mem_free(env_seg);
6412: return(-1);
6413: }
6414: paragraphs += header->max_alloc ? header->max_alloc : header->min_alloc;
6415: if(paragraphs > free_paragraphs) {
6416: paragraphs = free_paragraphs;
6417: }
1.1.1.8 root 6418: if((psp_seg = msdos_mem_alloc(first_mcb, paragraphs, 1)) == -1) {
1.1.1.29 root 6419: if((psp_seg = msdos_mem_alloc(UMB_TOP >> 4, paragraphs, 1)) == -1) {
6420: if(umb_linked != 0) {
6421: msdos_mem_link_umb();
6422: }
6423: msdos_mem_free(env_seg);
6424: return(-1);
6425: }
1.1 root 6426: }
6427: // relocation
6428: int start_seg = psp_seg + (PSP_SIZE >> 4);
6429: for(int i = 0; i < header->relocations; i++) {
6430: int ofs = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 0);
6431: int seg = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 2);
6432: *(UINT16 *)(file_buffer + header_size + (seg << 4) + ofs) += start_seg;
6433: }
6434: memcpy(mem + (start_seg << 4), file_buffer + header_size, load_size);
6435: // segments
6436: cs = header->init_cs + start_seg;
6437: ss = header->init_ss + start_seg;
6438: ip = header->init_ip;
6439: sp = header->init_sp - 2; // for symdeb
6440: } else {
6441: // memory allocation
6442: paragraphs = free_paragraphs;
1.1.1.8 root 6443: if((psp_seg = msdos_mem_alloc(first_mcb, paragraphs, 1)) == -1) {
1.1.1.29 root 6444: if((psp_seg = msdos_mem_alloc(UMB_TOP >> 4, paragraphs, 1)) == -1) {
6445: if(umb_linked != 0) {
6446: msdos_mem_link_umb();
6447: }
6448: msdos_mem_free(env_seg);
6449: return(-1);
6450: }
1.1 root 6451: }
6452: int start_seg = psp_seg + (PSP_SIZE >> 4);
6453: memcpy(mem + (start_seg << 4), file_buffer, 0x10000 - PSP_SIZE);
6454: // segments
6455: cs = ss = psp_seg;
6456: ip = 0x100;
6457: sp = 0xfffe;
6458: }
1.1.1.29 root 6459: if(umb_linked != 0) {
6460: msdos_mem_link_umb();
6461: }
1.1 root 6462:
6463: // create psp
1.1.1.3 root 6464: *(UINT16 *)(mem + 4 * 0x22 + 0) = m_eip;
6465: *(UINT16 *)(mem + 4 * 0x22 + 2) = SREG(CS);
1.1 root 6466: psp_t *psp = msdos_psp_create(psp_seg, psp_seg + paragraphs, current_psp, env_seg);
6467: memcpy(psp->fcb1, mem + (param->fcb1.w.h << 4) + param->fcb1.w.l, sizeof(psp->fcb1));
6468: memcpy(psp->fcb2, mem + (param->fcb2.w.h << 4) + param->fcb2.w.l, sizeof(psp->fcb2));
6469: memcpy(psp->buffer, mem + (param->cmd_line.w.h << 4) + param->cmd_line.w.l, sizeof(psp->buffer));
6470:
6471: mcb_t *mcb_env = (mcb_t *)(mem + ((env_seg - 1) << 4));
6472: mcb_t *mcb_psp = (mcb_t *)(mem + ((psp_seg - 1) << 4));
6473: mcb_psp->psp = mcb_env->psp = psp_seg;
6474:
1.1.1.4 root 6475: for(int i = 0; i < 8; i++) {
6476: if(name_tmp[i] == '.') {
6477: mcb_psp->prog_name[i] = '\0';
6478: break;
6479: } else if(i < 7 && msdos_lead_byte_check(name_tmp[i])) {
6480: mcb_psp->prog_name[i] = name_tmp[i];
6481: i++;
6482: mcb_psp->prog_name[i] = name_tmp[i];
6483: } else if(name_tmp[i] >= 'a' && name_tmp[i] <= 'z') {
6484: mcb_psp->prog_name[i] = name_tmp[i] - 'a' + 'A';
6485: } else {
6486: mcb_psp->prog_name[i] = name_tmp[i];
6487: }
6488: }
6489:
1.1 root 6490: // process info
6491: process_t *process = msdos_process_info_create(psp_seg);
6492: strcpy(process->module_dir, msdos_short_full_dir(path));
1.1.1.33 root 6493: #ifdef USE_DEBUGGER
6494: strcpy(process->module_path, path);
6495: #endif
1.1 root 6496: process->dta.w.l = 0x80;
6497: process->dta.w.h = psp_seg;
6498: process->switchar = '/';
6499: process->max_files = 20;
6500: process->parent_int_10h_feh_called = int_10h_feh_called;
6501: process->parent_int_10h_ffh_called = int_10h_ffh_called;
1.1.1.14 root 6502: process->parent_ds = SREG(DS);
1.1.1.31 root 6503: process->parent_es = SREG(ES);
1.1 root 6504:
6505: current_psp = psp_seg;
1.1.1.23 root 6506: msdos_sda_update(current_psp);
1.1 root 6507:
6508: if(al == 0x00) {
6509: int_10h_feh_called = int_10h_ffh_called = false;
6510:
1.1.1.38 root 6511: // pipe
6512: if(pipe_stdin_path[0] != '\0') {
1.1.1.45 root 6513: // if((fd = _open(pipe_stdin_path, _O_RDONLY | _O_BINARY)) != -1) {
6514: if(msdos_is_device_path(pipe_stdin_path)) {
6515: fd = msdos_open_device(pipe_stdin_path, _O_RDONLY | _O_BINARY, &sio_port, &lpt_port);
6516: } else {
6517: fd = _open(pipe_stdin_path, _O_RDONLY | _O_BINARY);
6518: }
6519: if(fd != -1) {
6520: msdos_file_handler_open(fd, pipe_stdin_path, _isatty(fd), 0, msdos_device_info(pipe_stdin_path), current_psp, sio_port, lpt_port);
1.1.1.38 root 6521: psp->file_table[0] = fd;
6522: msdos_psp_set_file_table(fd, fd, current_psp);
6523: }
6524: }
6525: if(pipe_stdout_path[0] != '\0') {
6526: if(_access(pipe_stdout_path, 0) == 0) {
6527: SetFileAttributes(pipe_stdout_path, FILE_ATTRIBUTE_NORMAL);
6528: DeleteFile(pipe_stdout_path);
6529: }
1.1.1.45 root 6530: // if((fd = _open(pipe_stdout_path, _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE)) != -1) {
6531: if(msdos_is_device_path(pipe_stdout_path)) {
6532: fd = msdos_open_device(pipe_stdout_path, _O_WRONLY | _O_BINARY, &sio_port, &lpt_port);
6533: } else {
6534: fd = _open(pipe_stdout_path, _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
6535: }
6536: if(fd != -1) {
6537: msdos_file_handler_open(fd, pipe_stdout_path, _isatty(fd), 1, msdos_device_info(pipe_stdout_path), current_psp, sio_port, lpt_port);
1.1.1.38 root 6538: psp->file_table[1] = fd;
6539: msdos_psp_set_file_table(fd, fd, current_psp);
6540: }
6541: }
1.1.1.39 root 6542: if(pipe_stderr_path[0] != '\0') {
6543: if(_access(pipe_stderr_path, 0) == 0) {
6544: SetFileAttributes(pipe_stderr_path, FILE_ATTRIBUTE_NORMAL);
6545: DeleteFile(pipe_stderr_path);
6546: }
1.1.1.45 root 6547: // if((fd = _open(pipe_stderr_path, _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE)) != -1) {
6548: if(msdos_is_device_path(pipe_stderr_path)) {
6549: fd = msdos_open_device(pipe_stderr_path, _O_WRONLY | _O_BINARY, &sio_port, &lpt_port);
6550: } else {
6551: fd = _open(pipe_stdout_path, _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
6552: }
6553: if(fd != -1) {
6554: msdos_file_handler_open(fd, pipe_stderr_path, _isatty(fd), 1, msdos_device_info(pipe_stderr_path), current_psp, sio_port, lpt_port);
1.1.1.39 root 6555: psp->file_table[2] = fd;
6556: msdos_psp_set_file_table(fd, fd, current_psp);
6557: }
6558: }
1.1.1.38 root 6559:
1.1 root 6560: // registers and segments
6561: REG16(AX) = REG16(BX) = 0x00;
6562: REG16(CX) = 0xff;
6563: REG16(DX) = psp_seg;
6564: REG16(SI) = ip;
6565: REG16(DI) = sp;
6566: REG16(SP) = sp;
1.1.1.3 root 6567: SREG(DS) = SREG(ES) = psp_seg;
6568: SREG(SS) = ss;
6569: i386_load_segment_descriptor(DS);
6570: i386_load_segment_descriptor(ES);
6571: i386_load_segment_descriptor(SS);
1.1 root 6572:
6573: *(UINT16 *)(mem + (ss << 4) + sp) = 0;
6574: i386_jmp_far(cs, ip);
6575: } else if(al == 0x01) {
6576: // copy ss:sp and cs:ip to param block
6577: param->sp = sp;
6578: param->ss = ss;
6579: param->ip = ip;
6580: param->cs = cs;
1.1.1.31 root 6581:
6582: // the AX value to be passed to the child program is put on top of the child's stack
6583: *(UINT16 *)(mem + (ss << 4) + sp) = REG16(AX);
1.1 root 6584: }
6585: return(0);
6586: }
6587:
6588: void msdos_process_terminate(int psp_seg, int ret, int mem_free)
6589: {
6590: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
6591:
6592: *(UINT32 *)(mem + 4 * 0x22) = psp->int_22h.dw;
6593: *(UINT32 *)(mem + 4 * 0x23) = psp->int_23h.dw;
6594: *(UINT32 *)(mem + 4 * 0x24) = psp->int_24h.dw;
6595:
1.1.1.3 root 6596: SREG(SS) = psp->stack.w.h;
6597: i386_load_segment_descriptor(SS);
1.1 root 6598: REG16(SP) = psp->stack.w.l;
6599: i386_jmp_far(psp->int_22h.w.h, psp->int_22h.w.l);
6600:
1.1.1.28 root 6601: // process_t *current_process = msdos_process_info_get(psp_seg);
6602: process_t *current_process = NULL;
6603: for(int i = 0; i < MAX_PROCESS; i++) {
6604: if(process[i].psp == psp_seg) {
6605: current_process = &process[i];
6606: break;
6607: }
6608: }
6609: if(current_process == NULL) {
6610: throw(0x1f); // general failure
6611: }
6612: int_10h_feh_called = current_process->parent_int_10h_feh_called;
6613: int_10h_ffh_called = current_process->parent_int_10h_ffh_called;
6614: if(current_process->called_by_int2eh) {
6615: REG16(AX) = ret;
6616: }
6617: SREG(DS) = current_process->parent_ds;
1.1.1.31 root 6618: SREG(ES) = current_process->parent_es;
1.1.1.14 root 6619: i386_load_segment_descriptor(DS);
1.1.1.31 root 6620: i386_load_segment_descriptor(ES);
1.1 root 6621:
6622: if(mem_free) {
1.1.1.8 root 6623: int mcb_seg;
6624: while((mcb_seg = msdos_mem_get_last_mcb(first_mcb, psp_seg)) != -1) {
6625: msdos_mem_free(mcb_seg + 1);
6626: }
6627: while((mcb_seg = msdos_mem_get_last_mcb(UMB_TOP >> 4, psp_seg)) != -1) {
6628: msdos_mem_free(mcb_seg + 1);
6629: }
1.1 root 6630:
6631: for(int i = 0; i < MAX_FILES; i++) {
6632: if(file_handler[i].valid && file_handler[i].psp == psp_seg) {
6633: _close(i);
1.1.1.20 root 6634: msdos_file_handler_close(i);
6635: msdos_psp_set_file_table(i, 0x0ff, psp_seg); // FIXME: consider duplicated file handles
1.1 root 6636: }
6637: }
1.1.1.13 root 6638: msdos_dta_info_free(psp_seg);
1.1 root 6639: }
1.1.1.14 root 6640: msdos_stdio_reopen();
1.1 root 6641:
1.1.1.28 root 6642: memset(current_process, 0, sizeof(process_t));
1.1 root 6643:
6644: current_psp = psp->parent_psp;
6645: retval = ret;
1.1.1.23 root 6646: msdos_sda_update(current_psp);
1.1 root 6647: }
6648:
6649: // drive
6650:
1.1.1.42 root 6651: int pcbios_update_drive_param(int drive_num, int force_update);
6652:
1.1 root 6653: int msdos_drive_param_block_update(int drive_num, UINT16 *seg, UINT16 *ofs, int force_update)
6654: {
1.1.1.41 root 6655: if(!(drive_num >= 0 && drive_num < 26)) {
6656: return(0);
6657: }
1.1.1.42 root 6658: pcbios_update_drive_param(drive_num, force_update);
6659:
6660: drive_param_t *drive_param = &drive_params[drive_num];
1.1 root 6661: *seg = DPB_TOP >> 4;
6662: *ofs = sizeof(dpb_t) * drive_num;
6663: dpb_t *dpb = (dpb_t *)(mem + (*seg << 4) + *ofs);
6664:
6665: memset(dpb, 0, sizeof(dpb_t));
6666:
1.1.1.41 root 6667: dpb->drive_num = drive_num;
6668: dpb->unit_num = drive_num;
1.1.1.42 root 6669:
6670: if(drive_param->valid) {
6671: DISK_GEOMETRY *geo = &drive_param->geometry;
6672:
6673: dpb->bytes_per_sector = (UINT16)geo->BytesPerSector;
6674: dpb->highest_sector_num = (UINT8)(geo->SectorsPerTrack - 1);
6675: dpb->highest_cluster_num = (UINT16)(geo->TracksPerCylinder * geo->Cylinders.QuadPart + 1);
6676: dpb->maximum_cluster_num = (UINT32)(geo->TracksPerCylinder * geo->Cylinders.QuadPart + 1);
6677: switch(geo->MediaType) {
6678: case F5_320_512: // floppy, double-sided, 8 sectors per track (320K)
6679: dpb->media_type = 0xff;
6680: break;
6681: case F5_160_512: // floppy, single-sided, 8 sectors per track (160K)
6682: dpb->media_type = 0xfe;
6683: break;
6684: case F5_360_512: // floppy, double-sided, 9 sectors per track (360K)
6685: dpb->media_type = 0xfd;
6686: break;
6687: case F5_180_512: // floppy, single-sided, 9 sectors per track (180K)
6688: dpb->media_type = 0xfc;
6689: break;
6690: case F5_1Pt2_512: // floppy, double-sided, 15 sectors per track (1.2M)
6691: case F3_1Pt2_512:
6692: case F3_720_512: // floppy, double-sided, 9 sectors per track (720K,3.5")
6693: case F5_720_512:
6694: dpb->media_type = 0xf9;
6695: break;
6696: case FixedMedia: // hard disk
6697: case RemovableMedia:
6698: case Unknown:
6699: dpb->media_type = 0xf8;
6700: break;
6701: default:
6702: dpb->media_type = 0xf0;
6703: break;
6704: }
6705: }
1.1.1.41 root 6706: dpb->next_dpb_ofs = (drive_num == 25) ? 0xffff : *ofs + sizeof(dpb_t);
6707: dpb->next_dpb_seg = (drive_num == 25) ? 0xffff : *seg;
1.1.1.42 root 6708: dpb->info_sector = 0xffff;
6709: dpb->backup_boot_sector = 0xffff;
6710: dpb->free_clusters = 0xffff;
6711: dpb->free_search_cluster = 0xffffffff;
6712:
6713: return(drive_param->valid);
1.1 root 6714: }
6715:
6716: // pc bios
6717:
1.1.1.35 root 6718: #ifdef USE_SERVICE_THREAD
6719: void start_service_loop(LPTHREAD_START_ROUTINE lpStartAddress)
6720: {
6721: #if defined(HAS_I386)
6722: if(m_SF != 0) {
6723: m_SF = 0;
1.1.1.49 root 6724: mem[DUMMY_TOP + 0x15] = 0x79; // jns -4
1.1.1.35 root 6725: } else {
6726: m_SF = 1;
1.1.1.49 root 6727: mem[DUMMY_TOP + 0x15] = 0x78; // js -4
1.1.1.35 root 6728: }
6729: #else
6730: if(m_SignVal < 0) {
6731: m_SignVal = 0;
1.1.1.49 root 6732: mem[DUMMY_TOP + 0x15] = 0x79; // jns -4
1.1.1.35 root 6733: } else {
6734: m_SignVal = -1;
1.1.1.49 root 6735: mem[DUMMY_TOP + 0x15] = 0x78; // js -4
1.1.1.35 root 6736: }
6737: #endif
1.1.1.49 root 6738: i386_call_far(DUMMY_TOP >> 4, 0x0013);
1.1.1.35 root 6739: in_service = true;
6740: service_exit = false;
6741: CloseHandle(CreateThread(NULL, 0, lpStartAddress, NULL, 0, NULL));
6742: }
6743:
6744: void finish_service_loop()
6745: {
6746: if(in_service && service_exit) {
6747: #if defined(HAS_I386)
6748: if(m_SF != 0) {
6749: m_SF = 0;
6750: } else {
6751: m_SF = 1;
6752: }
6753: #else
6754: if(m_SignVal < 0) {
6755: m_SignVal = 0;
6756: } else {
6757: m_SignVal = -1;
6758: }
6759: #endif
6760: in_service = false;
6761: }
6762: }
6763: #endif
6764:
1.1.1.19 root 6765: UINT32 get_ticks_since_midnight(UINT32 cur_msec)
6766: {
6767: static unsigned __int64 start_msec_since_midnight = 0;
6768: static unsigned __int64 start_msec_since_hostboot = 0;
6769:
6770: if(start_msec_since_midnight == 0) {
6771: SYSTEMTIME time;
6772: GetLocalTime(&time);
6773: start_msec_since_midnight = ((time.wHour * 60 + time.wMinute) * 60 + time.wSecond) * 1000 + time.wMilliseconds;
6774: start_msec_since_hostboot = cur_msec;
6775: }
6776: unsigned __int64 msec = (start_msec_since_midnight + cur_msec - start_msec_since_hostboot) % (24 * 60 * 60 * 1000);
6777: unsigned __int64 tick = msec * 0x1800b0 / (24 * 60 * 60 * 1000);
6778: return (UINT32)tick;
6779: }
6780:
6781: void pcbios_update_daily_timer_counter(UINT32 cur_msec)
6782: {
6783: UINT32 prev_tick = *(UINT32 *)(mem + 0x46c);
6784: UINT32 next_tick = get_ticks_since_midnight(cur_msec);
6785:
6786: if(prev_tick > next_tick) {
6787: mem[0x470] = 1;
6788: }
6789: *(UINT32 *)(mem + 0x46c) = next_tick;
6790: }
6791:
1.1.1.14 root 6792: inline void pcbios_irq0()
6793: {
6794: //++*(UINT32 *)(mem + 0x46c);
1.1.1.19 root 6795: pcbios_update_daily_timer_counter(timeGetTime());
1.1.1.14 root 6796: }
6797:
1.1.1.16 root 6798: int pcbios_get_text_vram_address(int page)
1.1 root 6799: {
6800: if(/*mem[0x449] == 0x03 || */mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.8 root 6801: return TEXT_VRAM_TOP;
1.1 root 6802: } else {
1.1.1.14 root 6803: return TEXT_VRAM_TOP + VIDEO_REGEN * (page % vram_pages);
1.1 root 6804: }
6805: }
6806:
1.1.1.16 root 6807: int pcbios_get_shadow_buffer_address(int page)
1.1 root 6808: {
1.1.1.14 root 6809: if(!int_10h_feh_called) {
1.1.1.16 root 6810: return pcbios_get_text_vram_address(page);
1.1.1.14 root 6811: } else if(/*mem[0x449] == 0x03 || */mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.8 root 6812: return SHADOW_BUF_TOP;
6813: } else {
1.1.1.14 root 6814: return SHADOW_BUF_TOP + VIDEO_REGEN * (page % vram_pages);
1.1.1.8 root 6815: }
6816: }
6817:
1.1.1.16 root 6818: int pcbios_get_shadow_buffer_address(int page, int x, int y)
1.1.1.8 root 6819: {
1.1.1.16 root 6820: return pcbios_get_shadow_buffer_address(page) + (x + y * scr_width) * 2;
1.1 root 6821: }
6822:
1.1.1.56! root 6823: bool pcbios_set_font_size(int width, int height)
! 6824: {
! 6825: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
! 6826: return(set_console_font_size(hStdout, width, height));
! 6827: }
! 6828:
1.1.1.16 root 6829: void pcbios_set_console_size(int width, int height, bool clr_screen)
1.1 root 6830: {
1.1.1.14 root 6831: // clear the existing screen, not just the new one
6832: int clr_height = max(height, scr_height);
6833:
1.1.1.16 root 6834: if(scr_width != width || scr_height != height) {
6835: change_console_size(width, height);
1.1.1.14 root 6836: }
6837: mem[0x462] = 0;
6838: *(UINT16 *)(mem + 0x44e) = 0;
6839:
1.1.1.16 root 6840: text_vram_top_address = pcbios_get_text_vram_address(0);
6841: text_vram_end_address = text_vram_top_address + width * height * 2;
6842: shadow_buffer_top_address = pcbios_get_shadow_buffer_address(0);
6843: shadow_buffer_end_address = shadow_buffer_top_address + width * height * 2;
1.1.1.51 root 6844: cursor_position_address = 0x450 + mem[0x462] * 2;
1.1 root 6845:
1.1.1.23 root 6846: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.16 root 6847: if(clr_screen) {
1.1.1.14 root 6848: for(int ofs = shadow_buffer_top_address; ofs < shadow_buffer_end_address;) {
6849: mem[ofs++] = 0x20;
6850: mem[ofs++] = 0x07;
6851: }
6852:
1.1.1.35 root 6853: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6854: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 6855: #endif
1.1.1.14 root 6856: for(int y = 0; y < clr_height; y++) {
6857: for(int x = 0; x < scr_width; x++) {
6858: SCR_BUF(y,x).Char.AsciiChar = ' ';
6859: SCR_BUF(y,x).Attributes = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
1.1 root 6860: }
6861: }
6862: SMALL_RECT rect;
1.1.1.14 root 6863: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + clr_height - 1);
6864: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
6865: vram_length_char = vram_last_length_char = 0;
6866: vram_length_attr = vram_last_length_attr = 0;
1.1.1.35 root 6867: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6868: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 6869: #endif
1.1 root 6870: }
1.1.1.14 root 6871: COORD co;
6872: co.X = 0;
6873: co.Y = scr_top;
6874: SetConsoleCursorPosition(hStdout, co);
6875: cursor_moved = true;
6876: SetConsoleTextAttribute(hStdout, FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
1.1 root 6877: }
6878:
1.1.1.36 root 6879: void pcbios_update_cursor_position()
6880: {
6881: CONSOLE_SCREEN_BUFFER_INFO csbi;
6882: GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
6883: if(!restore_console_on_exit) {
6884: scr_top = csbi.srWindow.Top;
6885: }
6886: mem[0x450 + mem[0x462] * 2] = csbi.dwCursorPosition.X;
6887: mem[0x451 + mem[0x462] * 2] = csbi.dwCursorPosition.Y - scr_top;
6888: }
6889:
1.1.1.16 root 6890: inline void pcbios_int_10h_00h()
6891: {
6892: switch(REG8(AL) & 0x7f) {
6893: case 0x70: // v-text mode
6894: case 0x71: // extended cga v-text mode
6895: pcbios_set_console_size(scr_width, scr_height, !(REG8(AL) & 0x80));
6896: break;
6897: default:
6898: pcbios_set_console_size(80, 25, !(REG8(AL) & 0x80));
6899: break;
6900: }
6901: if(REG8(AL) & 0x80) {
6902: mem[0x487] |= 0x80;
6903: } else {
6904: mem[0x487] &= ~0x80;
6905: }
6906: mem[0x449] = REG8(AL) & 0x7f;
6907: }
6908:
1.1 root 6909: inline void pcbios_int_10h_01h()
6910: {
1.1.1.13 root 6911: mem[0x460] = REG8(CL);
6912: mem[0x461] = REG8(CH);
1.1.1.14 root 6913:
1.1.1.23 root 6914: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 6915: CONSOLE_CURSOR_INFO ci;
6916: GetConsoleCursorInfo(hStdout, &ci);
6917: // ci.bVisible = !(REG8(CH) & 0x60) && REG8(CH) <= REG8(CL);
6918: // if(ci.bVisible) {
6919: int lines = max(8, REG8(CL) + 1);
6920: ci.dwSize = (REG8(CL) - REG8(CH) + 1) * 100 / lines;
6921: // }
6922: SetConsoleCursorInfo(hStdout, &ci);
1.1 root 6923: }
6924:
6925: inline void pcbios_int_10h_02h()
6926: {
1.1.1.14 root 6927: // continuously setting the cursor effectively stops it blinking
6928: if(mem[0x462] == REG8(BH) && (REG8(DL) != mem[0x450 + REG8(BH) * 2] || REG8(DH) != mem[0x451 + REG8(BH) * 2])) {
1.1 root 6929: COORD co;
6930: co.X = REG8(DL);
1.1.1.14 root 6931: co.Y = REG8(DH) + scr_top;
6932:
6933: // some programs hide the cursor by moving it off screen
6934: static bool hidden = false;
1.1.1.23 root 6935: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 6936: CONSOLE_CURSOR_INFO ci;
6937: GetConsoleCursorInfo(hStdout, &ci);
6938:
6939: if(REG8(DH) >= scr_height || !SetConsoleCursorPosition(hStdout, co)) {
6940: if(ci.bVisible) {
6941: ci.bVisible = FALSE;
6942: // SetConsoleCursorInfo(hStdout, &ci);
6943: hidden = true;
6944: }
6945: } else if(hidden) {
6946: if(!ci.bVisible) {
6947: ci.bVisible = TRUE;
6948: // SetConsoleCursorInfo(hStdout, &ci);
6949: }
6950: hidden = false;
6951: }
1.1 root 6952: }
1.1.1.14 root 6953: mem[0x450 + (REG8(BH) % vram_pages) * 2] = REG8(DL);
6954: mem[0x451 + (REG8(BH) % vram_pages) * 2] = REG8(DH);
1.1 root 6955: }
6956:
6957: inline void pcbios_int_10h_03h()
6958: {
1.1.1.14 root 6959: REG8(DL) = mem[0x450 + (REG8(BH) % vram_pages) * 2];
6960: REG8(DH) = mem[0x451 + (REG8(BH) % vram_pages) * 2];
1.1 root 6961: REG8(CL) = mem[0x460];
6962: REG8(CH) = mem[0x461];
6963: }
6964:
6965: inline void pcbios_int_10h_05h()
6966: {
1.1.1.14 root 6967: if(REG8(AL) >= vram_pages) {
6968: return;
6969: }
6970: if(mem[0x462] != REG8(AL)) {
6971: vram_flush();
6972:
1.1.1.23 root 6973: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 6974: SMALL_RECT rect;
1.1.1.14 root 6975: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + scr_height - 1);
6976: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 6977:
1.1.1.16 root 6978: for(int y = 0, ofs = pcbios_get_shadow_buffer_address(mem[0x462]); y < scr_height; y++) {
1.1.1.14 root 6979: for(int x = 0; x < scr_width; x++) {
6980: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar;
6981: mem[ofs++] = SCR_BUF(y,x).Attributes;
1.1 root 6982: }
6983: }
1.1.1.16 root 6984: for(int y = 0, ofs = pcbios_get_shadow_buffer_address(REG8(AL)); y < scr_height; y++) {
1.1.1.14 root 6985: for(int x = 0; x < scr_width; x++) {
6986: SCR_BUF(y,x).Char.AsciiChar = mem[ofs++];
6987: SCR_BUF(y,x).Attributes = mem[ofs++];
1.1 root 6988: }
6989: }
1.1.1.14 root 6990: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 6991:
6992: COORD co;
1.1.1.14 root 6993: co.X = mem[0x450 + REG8(AL) * 2];
6994: co.Y = mem[0x451 + REG8(AL) * 2] + scr_top;
6995: if(co.Y < scr_top + scr_height) {
6996: SetConsoleCursorPosition(hStdout, co);
6997: }
1.1 root 6998: }
1.1.1.14 root 6999: mem[0x462] = REG8(AL);
7000: *(UINT16 *)(mem + 0x44e) = REG8(AL) * VIDEO_REGEN;
7001: int regen = min(scr_width * scr_height * 2, 0x8000);
1.1.1.16 root 7002: text_vram_top_address = pcbios_get_text_vram_address(mem[0x462]);
1.1.1.14 root 7003: text_vram_end_address = text_vram_top_address + regen;
1.1.1.16 root 7004: shadow_buffer_top_address = pcbios_get_shadow_buffer_address(mem[0x462]);
1.1.1.14 root 7005: shadow_buffer_end_address = shadow_buffer_top_address + regen;
1.1.1.51 root 7006: cursor_position_address = 0x450 + mem[0x462] * 2;
1.1 root 7007: }
7008:
7009: inline void pcbios_int_10h_06h()
7010: {
1.1.1.14 root 7011: if(REG8(CH) >= scr_height || REG8(CH) > REG8(DH) ||
7012: REG8(CL) >= scr_width || REG8(CL) > REG8(DL)) {
7013: return;
7014: }
7015: vram_flush();
7016:
1.1.1.23 root 7017: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 7018: SMALL_RECT rect;
1.1.1.14 root 7019: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + scr_height - 1);
7020: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
7021:
7022: int right = min(REG8(DL), scr_width - 1);
7023: int bottom = min(REG8(DH), scr_height - 1);
1.1 root 7024:
7025: if(REG8(AL) == 0) {
1.1.1.14 root 7026: for(int y = REG8(CH); y <= bottom; y++) {
1.1.1.16 root 7027: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 7028: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar = ' ';
7029: mem[ofs++] = SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 7030: }
7031: }
7032: } else {
1.1.1.14 root 7033: for(int y = REG8(CH), y2 = min(REG8(CH) + REG8(AL), bottom + 1); y <= bottom; y++, y2++) {
1.1.1.16 root 7034: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 7035: if(y2 <= bottom) {
7036: SCR_BUF(y,x) = SCR_BUF(y2,x);
1.1 root 7037: } else {
1.1.1.14 root 7038: SCR_BUF(y,x).Char.AsciiChar = ' ';
7039: SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 7040: }
1.1.1.14 root 7041: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar;
7042: mem[ofs++] = SCR_BUF(y,x).Attributes;
1.1 root 7043: }
7044: }
7045: }
1.1.1.14 root 7046: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 7047: }
7048:
7049: inline void pcbios_int_10h_07h()
7050: {
1.1.1.14 root 7051: if(REG8(CH) >= scr_height || REG8(CH) > REG8(DH) ||
7052: REG8(CL) >= scr_width || REG8(CL) > REG8(DL)) {
7053: return;
7054: }
7055: vram_flush();
7056:
1.1.1.23 root 7057: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 7058: SMALL_RECT rect;
1.1.1.14 root 7059: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + scr_height - 1);
7060: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
7061:
7062: int right = min(REG8(DL), scr_width - 1);
7063: int bottom = min(REG8(DH), scr_height - 1);
1.1 root 7064:
7065: if(REG8(AL) == 0) {
1.1.1.14 root 7066: for(int y = REG8(CH); y <= bottom; y++) {
1.1.1.16 root 7067: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 7068: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar = ' ';
7069: mem[ofs++] = SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 7070: }
7071: }
7072: } else {
1.1.1.14 root 7073: for(int y = bottom, y2 = max(REG8(CH) - 1, bottom - REG8(AL)); y >= REG8(CH); y--, y2--) {
1.1.1.16 root 7074: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 7075: if(y2 >= REG8(CH)) {
7076: SCR_BUF(y,x) = SCR_BUF(y2,x);
1.1 root 7077: } else {
1.1.1.14 root 7078: SCR_BUF(y,x).Char.AsciiChar = ' ';
7079: SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 7080: }
1.1.1.14 root 7081: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar;
7082: mem[ofs++] = SCR_BUF(y,x).Attributes;
1.1 root 7083: }
7084: }
7085: }
1.1.1.14 root 7086: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 7087: }
7088:
7089: inline void pcbios_int_10h_08h()
7090: {
7091: COORD co;
7092: DWORD num;
7093:
1.1.1.14 root 7094: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
7095: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
1.1 root 7096:
7097: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 7098: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 7099: co.Y += scr_top;
7100: vram_flush();
1.1 root 7101: ReadConsoleOutputCharacter(hStdout, scr_char, 1, co, &num);
7102: ReadConsoleOutputAttribute(hStdout, scr_attr, 1, co, &num);
7103: REG8(AL) = scr_char[0];
7104: REG8(AH) = scr_attr[0];
7105: } else {
1.1.1.16 root 7106: REG16(AX) = *(UINT16 *)(mem + pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y));
1.1 root 7107: }
7108: }
7109:
7110: inline void pcbios_int_10h_09h()
7111: {
7112: COORD co;
7113:
1.1.1.14 root 7114: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
7115: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
7116:
1.1.1.16 root 7117: int dest = pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y);
7118: int end = min(dest + REG16(CX) * 2, pcbios_get_shadow_buffer_address(REG8(BH), 0, scr_height));
1.1 root 7119:
7120: if(mem[0x462] == REG8(BH)) {
1.1.1.35 root 7121: #ifdef USE_VRAM_THREAD
1.1.1.14 root 7122: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 7123: #endif
1.1.1.16 root 7124: int vram = pcbios_get_shadow_buffer_address(REG8(BH));
1.1.1.14 root 7125: while(dest < end) {
7126: write_text_vram_char(dest - vram, REG8(AL));
7127: mem[dest++] = REG8(AL);
7128: write_text_vram_attr(dest - vram, REG8(BL));
7129: mem[dest++] = REG8(BL);
1.1 root 7130: }
1.1.1.35 root 7131: #ifdef USE_VRAM_THREAD
1.1.1.14 root 7132: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 7133: #endif
1.1 root 7134: } else {
1.1.1.14 root 7135: while(dest < end) {
1.1 root 7136: mem[dest++] = REG8(AL);
7137: mem[dest++] = REG8(BL);
7138: }
7139: }
7140: }
7141:
7142: inline void pcbios_int_10h_0ah()
7143: {
7144: COORD co;
7145:
1.1.1.14 root 7146: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
7147: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
7148:
1.1.1.16 root 7149: int dest = pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y);
7150: int end = min(dest + REG16(CX) * 2, pcbios_get_shadow_buffer_address(REG8(BH), 0, scr_height));
1.1 root 7151:
7152: if(mem[0x462] == REG8(BH)) {
1.1.1.35 root 7153: #ifdef USE_VRAM_THREAD
1.1.1.14 root 7154: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 7155: #endif
1.1.1.16 root 7156: int vram = pcbios_get_shadow_buffer_address(REG8(BH));
1.1.1.14 root 7157: while(dest < end) {
7158: write_text_vram_char(dest - vram, REG8(AL));
7159: mem[dest++] = REG8(AL);
7160: dest++;
1.1 root 7161: }
1.1.1.35 root 7162: #ifdef USE_VRAM_THREAD
1.1.1.14 root 7163: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 7164: #endif
1.1 root 7165: } else {
1.1.1.14 root 7166: while(dest < end) {
1.1 root 7167: mem[dest++] = REG8(AL);
7168: dest++;
7169: }
7170: }
7171: }
7172:
1.1.1.40 root 7173: HDC get_console_window_device_context()
7174: {
7175: static HWND hwndFound = 0;
7176:
7177: if(hwndFound == 0) {
7178: // https://support.microsoft.com/en-us/help/124103/how-to-obtain-a-console-window-handle-hwnd
7179: char pszNewWindowTitle[1024];
7180: char pszOldWindowTitle[1024];
7181:
7182: GetConsoleTitle(pszOldWindowTitle, 1024);
7183: wsprintf(pszNewWindowTitle,"%d/%d", GetTickCount(), GetCurrentProcessId());
7184: SetConsoleTitle(pszNewWindowTitle);
7185: Sleep(100);
7186: hwndFound = FindWindow(NULL, pszNewWindowTitle);
7187: SetConsoleTitle(pszOldWindowTitle);
7188: }
7189: return GetDC(hwndFound);
7190: }
7191:
7192: inline void pcbios_int_10h_0ch()
7193: {
7194: HDC hdc = get_console_window_device_context();
7195:
7196: if(hdc != NULL) {
7197: BYTE r = (REG8(AL) & 2) ? 255 : 0;
7198: BYTE g = (REG8(AL) & 4) ? 255 : 0;
7199: BYTE b = (REG8(AL) & 1) ? 255 : 0;
7200:
7201: if(REG8(AL) & 0x80) {
7202: COLORREF color = GetPixel(hdc, REG16(CX), REG16(DX));
7203: if(color != CLR_INVALID) {
7204: r ^= ((DWORD)color & 0x0000ff) ? 255 : 0;
7205: g ^= ((DWORD)color & 0x00ff00) ? 255 : 0;
7206: b ^= ((DWORD)color & 0xff0000) ? 255 : 0;
7207: }
7208: }
7209: SetPixel(hdc, REG16(CX), REG16(DX), RGB(r, g, b));
7210: }
7211: }
7212:
7213: inline void pcbios_int_10h_0dh()
7214: {
7215: HDC hdc = get_console_window_device_context();
7216: BYTE r = 0;
7217: BYTE g = 0;
7218: BYTE b = 0;
7219:
7220: if(hdc != NULL) {
7221: COLORREF color = GetPixel(hdc, REG16(CX), REG16(DX));
7222: if(color != CLR_INVALID) {
7223: r = ((DWORD)color & 0x0000ff) ? 255 : 0;
7224: g = ((DWORD)color & 0x00ff00) ? 255 : 0;
7225: b = ((DWORD)color & 0xff0000) ? 255 : 0;
7226: }
7227: }
7228: REG8(AL) = ((b != 0) ? 1 : 0) | ((r != 0) ? 2 : 0) | ((g != 0) ? 4 : 0);
7229: }
7230:
1.1 root 7231: inline void pcbios_int_10h_0eh()
7232: {
1.1.1.14 root 7233: DWORD num;
7234: COORD co;
7235:
1.1.1.54 root 7236: co.X = mem[0x450 + mem[0x462] * 2];
7237: co.Y = mem[0x451 + mem[0x462] * 2];
1.1.1.14 root 7238:
7239: if(REG8(AL) == 7) {
7240: //MessageBeep(-1);
7241: } else if(REG8(AL) == 8 || REG8(AL) == 10 || REG8(AL) == 13) {
7242: if(REG8(AL) == 10) {
7243: vram_flush();
7244: }
1.1.1.23 root 7245: WriteConsole(GetStdHandle(STD_OUTPUT_HANDLE), ®8(AL), 1, &num, NULL);
1.1.1.14 root 7246: cursor_moved = true;
7247: } else {
1.1.1.54 root 7248: int dest = pcbios_get_shadow_buffer_address(mem[0x462], co.X, co.Y);
1.1.1.35 root 7249: #ifdef USE_VRAM_THREAD
1.1.1.54 root 7250: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 7251: #endif
1.1.1.54 root 7252: int vram = pcbios_get_shadow_buffer_address(mem[0x462]);
7253: write_text_vram_char(dest - vram, REG8(AL));
1.1.1.35 root 7254: #ifdef USE_VRAM_THREAD
1.1.1.54 root 7255: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 7256: #endif
1.1.1.54 root 7257:
7258: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
7259: if(++co.X == scr_width) {
7260: co.X = 0;
7261: if(++co.Y == scr_height) {
7262: vram_flush();
7263: WriteConsole(hStdout, "\n", 1, &num, NULL);
1.1.1.14 root 7264: cursor_moved = true;
7265: }
7266: }
1.1.1.54 root 7267: if(!cursor_moved) {
7268: co.Y += scr_top;
7269: SetConsoleCursorPosition(hStdout, co);
7270: cursor_moved = true;
7271: }
1.1.1.14 root 7272: mem[dest] = REG8(AL);
7273: }
1.1 root 7274: }
7275:
7276: inline void pcbios_int_10h_0fh()
7277: {
7278: REG8(AL) = mem[0x449];
7279: REG8(AH) = mem[0x44a];
7280: REG8(BH) = mem[0x462];
7281: }
7282:
1.1.1.14 root 7283: inline void pcbios_int_10h_11h()
7284: {
7285: switch(REG8(AL)) {
1.1.1.16 root 7286: case 0x01:
1.1.1.14 root 7287: case 0x11:
1.1.1.56! root 7288: if(!pcbios_set_font_size(8, 14)) {
! 7289: if(active_code_page == 932) {
! 7290: pcbios_set_font_size(6, 13);
! 7291: } else {
! 7292: pcbios_set_font_size(8, 12);
! 7293: }
! 7294: }
! 7295: pcbios_set_console_size(80, 28, true); // 28 = 25 * 16 / 14
1.1.1.14 root 7296: break;
1.1.1.16 root 7297: case 0x02:
1.1.1.14 root 7298: case 0x12:
1.1.1.56! root 7299: if(!pcbios_set_font_size(8, 8)) {
! 7300: if(active_code_page == 932) {
! 7301: pcbios_set_font_size(5, 8);
! 7302: } else {
! 7303: pcbios_set_font_size(6, 8);
! 7304: }
! 7305: }
! 7306: pcbios_set_console_size(80, 50, true); // 50 = 25 * 16 / 8
1.1.1.14 root 7307: break;
1.1.1.16 root 7308: case 0x04:
1.1.1.14 root 7309: case 0x14:
1.1.1.56! root 7310: case 0x18:
! 7311: if(!pcbios_set_font_size(8, 16)) {
! 7312: if(active_code_page == 932) {
! 7313: pcbios_set_font_size(8, 18);
! 7314: } else {
! 7315: pcbios_set_font_size(10, 18);
! 7316: }
! 7317: }
! 7318: if(REG8(AL) == 0x18) {
! 7319: pcbios_set_console_size(80, 50, true);
! 7320: } else {
! 7321: pcbios_set_console_size(80, 25, true);
! 7322: }
1.1.1.14 root 7323: break;
7324: case 0x30:
7325: SREG(ES) = 0;
7326: i386_load_segment_descriptor(ES);
7327: REG16(BP) = 0;
7328: REG16(CX) = mem[0x485];
7329: REG8(DL) = mem[0x484];
7330: break;
1.1.1.54 root 7331: default:
7332: unimplemented_10h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x10, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
7333: m_CF = 1;
7334: break;
1.1.1.14 root 7335: }
7336: }
7337:
7338: inline void pcbios_int_10h_12h()
7339: {
1.1.1.16 root 7340: switch(REG8(BL)) {
7341: case 0x10:
1.1.1.14 root 7342: REG16(BX) = 0x0003;
7343: REG16(CX) = 0x0009;
1.1.1.16 root 7344: break;
1.1.1.14 root 7345: }
7346: }
7347:
1.1 root 7348: inline void pcbios_int_10h_13h()
7349: {
1.1.1.3 root 7350: int ofs = SREG_BASE(ES) + REG16(BP);
1.1 root 7351: COORD co;
7352: DWORD num;
7353:
7354: co.X = REG8(DL);
1.1.1.14 root 7355: co.Y = REG8(DH) + scr_top;
7356:
7357: vram_flush();
1.1 root 7358:
7359: switch(REG8(AL)) {
7360: case 0x00:
7361: case 0x01:
7362: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 7363: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 7364: CONSOLE_SCREEN_BUFFER_INFO csbi;
7365: GetConsoleScreenBufferInfo(hStdout, &csbi);
7366: SetConsoleCursorPosition(hStdout, co);
7367:
7368: if(csbi.wAttributes != REG8(BL)) {
7369: SetConsoleTextAttribute(hStdout, REG8(BL));
7370: }
1.1.1.14 root 7371: WriteConsole(hStdout, &mem[ofs], REG16(CX), &num, NULL);
7372:
1.1 root 7373: if(csbi.wAttributes != REG8(BL)) {
7374: SetConsoleTextAttribute(hStdout, csbi.wAttributes);
7375: }
7376: if(REG8(AL) == 0x00) {
1.1.1.15 root 7377: if(!restore_console_on_exit) {
7378: GetConsoleScreenBufferInfo(hStdout, &csbi);
7379: scr_top = csbi.srWindow.Top;
7380: }
1.1.1.14 root 7381: co.X = mem[0x450 + REG8(BH) * 2];
7382: co.Y = mem[0x451 + REG8(BH) * 2] + scr_top;
1.1 root 7383: SetConsoleCursorPosition(hStdout, co);
7384: } else {
7385: cursor_moved = true;
7386: }
7387: } else {
1.1.1.3 root 7388: m_CF = 1;
1.1 root 7389: }
7390: break;
7391: case 0x02:
7392: case 0x03:
7393: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 7394: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 7395: CONSOLE_SCREEN_BUFFER_INFO csbi;
7396: GetConsoleScreenBufferInfo(hStdout, &csbi);
7397: SetConsoleCursorPosition(hStdout, co);
7398:
7399: WORD wAttributes = csbi.wAttributes;
7400: for(int i = 0; i < REG16(CX); i++, ofs += 2) {
7401: if(wAttributes != mem[ofs + 1]) {
7402: SetConsoleTextAttribute(hStdout, mem[ofs + 1]);
7403: wAttributes = mem[ofs + 1];
7404: }
1.1.1.14 root 7405: WriteConsole(hStdout, &mem[ofs], 1, &num, NULL);
1.1 root 7406: }
7407: if(csbi.wAttributes != wAttributes) {
7408: SetConsoleTextAttribute(hStdout, csbi.wAttributes);
7409: }
7410: if(REG8(AL) == 0x02) {
1.1.1.14 root 7411: co.X = mem[0x450 + REG8(BH) * 2];
7412: co.Y = mem[0x451 + REG8(BH) * 2] + scr_top;
1.1 root 7413: SetConsoleCursorPosition(hStdout, co);
7414: } else {
7415: cursor_moved = true;
7416: }
7417: } else {
1.1.1.3 root 7418: m_CF = 1;
1.1 root 7419: }
7420: break;
7421: case 0x10:
7422: case 0x11:
7423: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 7424: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 7425: ReadConsoleOutputCharacter(hStdout, scr_char, REG16(CX), co, &num);
7426: ReadConsoleOutputAttribute(hStdout, scr_attr, REG16(CX), co, &num);
7427: for(int i = 0; i < num; i++) {
7428: mem[ofs++] = scr_char[i];
7429: mem[ofs++] = scr_attr[i];
1.1.1.45 root 7430: if(REG8(AL) & 0x01) {
1.1 root 7431: mem[ofs++] = 0;
7432: mem[ofs++] = 0;
7433: }
7434: }
7435: } else {
1.1.1.16 root 7436: for(int i = 0, src = pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y - scr_top); i < REG16(CX); i++) {
1.1 root 7437: mem[ofs++] = mem[src++];
7438: mem[ofs++] = mem[src++];
1.1.1.45 root 7439: if(REG8(AL) & 0x01) {
1.1 root 7440: mem[ofs++] = 0;
7441: mem[ofs++] = 0;
7442: }
1.1.1.14 root 7443: if(++co.X == scr_width) {
7444: if(++co.Y == scr_height) {
1.1 root 7445: break;
7446: }
7447: co.X = 0;
7448: }
7449: }
7450: }
7451: break;
1.1.1.45 root 7452: case 0x12: // ???
7453: case 0x13: // ???
1.1 root 7454: case 0x20:
7455: case 0x21:
7456: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 7457: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 7458: int len = min(REG16(CX), scr_width * scr_height);
7459: for(int i = 0; i < len; i++) {
1.1 root 7460: scr_char[i] = mem[ofs++];
7461: scr_attr[i] = mem[ofs++];
1.1.1.45 root 7462: if(REG8(AL) & 0x01) {
1.1 root 7463: ofs += 2;
7464: }
7465: }
1.1.1.14 root 7466: WriteConsoleOutputCharacter(hStdout, scr_char, len, co, &num);
7467: WriteConsoleOutputAttribute(hStdout, scr_attr, len, co, &num);
1.1 root 7468: } else {
1.1.1.16 root 7469: for(int i = 0, dest = pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y - scr_top); i < REG16(CX); i++) {
1.1 root 7470: mem[dest++] = mem[ofs++];
7471: mem[dest++] = mem[ofs++];
1.1.1.45 root 7472: if(REG8(AL) & 0x01) {
1.1 root 7473: ofs += 2;
7474: }
1.1.1.14 root 7475: if(++co.X == scr_width) {
7476: if(++co.Y == scr_height) {
1.1 root 7477: break;
7478: }
7479: co.X = 0;
7480: }
7481: }
7482: }
7483: break;
7484: default:
1.1.1.22 root 7485: unimplemented_10h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x10, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.3 root 7486: m_CF = 1;
1.1 root 7487: break;
7488: }
7489: }
7490:
1.1.1.30 root 7491: inline void pcbios_int_10h_18h()
7492: {
7493: switch(REG8(AL)) {
7494: case 0x00:
7495: case 0x01:
7496: // REG8(AL) = 0x86;
7497: REG8(AL) = 0x00;
7498: break;
7499: default:
7500: unimplemented_10h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x10, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
7501: m_CF = 1;
7502: break;
7503: }
7504: }
7505:
1.1.1.14 root 7506: inline void pcbios_int_10h_1ah()
7507: {
7508: switch(REG8(AL)) {
7509: case 0x00:
7510: REG8(AL) = 0x1a;
7511: REG8(BL) = 0x08;
7512: REG8(BH) = 0x00;
7513: break;
7514: default:
1.1.1.22 root 7515: unimplemented_10h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x10, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.14 root 7516: m_CF = 1;
7517: break;
7518: }
7519: }
7520:
1.1 root 7521: inline void pcbios_int_10h_1dh()
7522: {
7523: switch(REG8(AL)) {
1.1.1.43 root 7524: case 0x00:
7525: // DOS/V Shift Status Line Control is not supported
7526: m_CF = 1;
7527: break;
1.1 root 7528: case 0x01:
7529: break;
7530: case 0x02:
7531: REG16(BX) = 0;
7532: break;
7533: default:
1.1.1.22 root 7534: unimplemented_10h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x10, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
7535: m_CF = 1;
7536: break;
7537: }
7538: }
7539:
7540: inline void pcbios_int_10h_4fh()
7541: {
7542: switch(REG8(AL)) {
7543: case 0x00:
7544: REG8(AH) = 0x02; // not supported
7545: break;
7546: case 0x01:
7547: case 0x02:
7548: case 0x03:
7549: case 0x04:
7550: case 0x05:
7551: case 0x06:
7552: case 0x07:
7553: case 0x08:
7554: case 0x09:
7555: case 0x0a:
7556: case 0x0b:
7557: case 0x0c:
7558: REG8(AH) = 0x01; // failed
7559: break;
7560: default:
7561: unimplemented_10h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x10, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.3 root 7562: m_CF = 1;
1.1 root 7563: break;
7564: }
7565: }
7566:
7567: inline void pcbios_int_10h_82h()
7568: {
7569: static UINT8 mode = 0;
7570:
7571: switch(REG8(AL)) {
1.1.1.22 root 7572: case 0x00:
1.1 root 7573: if(REG8(BL) != 0xff) {
7574: mode = REG8(BL);
7575: }
7576: REG8(AL) = mode;
7577: break;
7578: default:
1.1.1.22 root 7579: unimplemented_10h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x10, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.3 root 7580: m_CF = 1;
1.1 root 7581: break;
7582: }
7583: }
7584:
1.1.1.22 root 7585: inline void pcbios_int_10h_83h()
7586: {
7587: static UINT8 mode = 0;
7588:
7589: switch(REG8(AL)) {
7590: case 0x00:
7591: REG16(AX) = 0; // offset???
7592: SREG(ES) = (SHADOW_BUF_TOP >> 4);
7593: i386_load_segment_descriptor(ES);
7594: REG16(BX) = (SHADOW_BUF_TOP & 0x0f);
7595: break;
7596: default:
7597: unimplemented_10h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x10, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
7598: m_CF = 1;
7599: break;
7600: }
7601: }
7602:
7603: inline void pcbios_int_10h_90h()
7604: {
7605: REG8(AL) = mem[0x449];
7606: }
7607:
7608: inline void pcbios_int_10h_91h()
7609: {
7610: REG8(AL) = 0x04; // VGA
7611: }
7612:
7613: inline void pcbios_int_10h_efh()
7614: {
7615: REG16(DX) = 0xffff;
7616: }
7617:
1.1 root 7618: inline void pcbios_int_10h_feh()
7619: {
7620: if(mem[0x449] == 0x03 || mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.8 root 7621: SREG(ES) = (SHADOW_BUF_TOP >> 4);
1.1.1.3 root 7622: i386_load_segment_descriptor(ES);
1.1.1.8 root 7623: REG16(DI) = (SHADOW_BUF_TOP & 0x0f);
1.1 root 7624: }
7625: int_10h_feh_called = true;
7626: }
7627:
7628: inline void pcbios_int_10h_ffh()
7629: {
7630: if(mem[0x449] == 0x03 || mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.23 root 7631: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 7632: COORD co;
7633: DWORD num;
7634:
1.1.1.14 root 7635: vram_flush();
7636:
7637: co.X = (REG16(DI) >> 1) % scr_width;
7638: co.Y = (REG16(DI) >> 1) / scr_width;
1.1.1.16 root 7639: int ofs = pcbios_get_shadow_buffer_address(0, co.X, co.Y);
7640: int end = min(ofs + REG16(CX) * 2, pcbios_get_shadow_buffer_address(0, 0, scr_height));
1.1.1.14 root 7641: int len;
7642: for(len = 0; ofs < end; len++) {
7643: scr_char[len] = mem[ofs++];
7644: scr_attr[len] = mem[ofs++];
7645: }
7646: co.Y += scr_top;
7647: WriteConsoleOutputCharacter(hStdout, scr_char, len, co, &num);
7648: WriteConsoleOutputAttribute(hStdout, scr_attr, len, co, &num);
1.1 root 7649: }
7650: int_10h_ffh_called = true;
7651: }
7652:
1.1.1.42 root 7653: int pcbios_update_drive_param(int drive_num, int force_update)
7654: {
7655: if(drive_num >= 0 && drive_num < 26) {
7656: drive_param_t *drive_param = &drive_params[drive_num];
7657:
7658: if(force_update || !drive_param->initialized) {
7659: drive_param->valid = 0;
7660: char dev[64];
7661: sprintf(dev, "\\\\.\\%c:", 'A' + drive_num);
7662:
7663: HANDLE hFile = CreateFile(dev, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
7664: if(hFile != INVALID_HANDLE_VALUE) {
7665: DWORD dwSize;
7666: if(DeviceIoControl(hFile, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0, &drive_param->geometry, sizeof(DISK_GEOMETRY), &dwSize, NULL)) {
7667: drive_param->valid = 1;
7668: }
7669: CloseHandle(hFile);
7670: }
7671: drive_param->initialized = 1;
7672: }
7673: return(drive_param->valid);
7674: }
7675: return(0);
7676: }
7677:
7678: inline void pcbios_int_13h_00h()
7679: {
7680: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7681:
7682: if(pcbios_update_drive_param(drive_num, 1)) {
7683: REG8(AH) = 0x00; // successful completion
7684: } else {
7685: if(REG8(DL) & 0x80) {
7686: REG8(AH) = 0x05; // reset failed (hard disk)
7687: } else {
7688: REG8(AH) = 0x80; // timeout (not ready)
7689: }
7690: m_CF = 1;
7691: }
7692: }
7693:
7694: inline void pcbios_int_13h_02h()
7695: {
7696: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7697:
7698: if(REG8(AL) == 0) {
7699: REG8(AH) = 0x01; // invalid function in AH or invalid parameter
7700: m_CF = 1;
7701: } else if(!pcbios_update_drive_param(drive_num, 0)) {
7702: REG8(AH) = 0xff; // sense operation failed (hard disk)
7703: m_CF = 1;
7704: } else {
7705: drive_param_t *drive_param = &drive_params[drive_num];
7706: DISK_GEOMETRY *geo = &drive_param->geometry;
7707: char dev[64];
7708: sprintf(dev, "\\\\.\\%c:", 'A' + drive_num);
7709:
7710: HANDLE hFile = CreateFile(dev, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
7711: if(hFile == INVALID_HANDLE_VALUE) {
7712: REG8(AH) = 0xff; // sense operation failed (hard disk)
7713: m_CF = 1;
7714: } else {
7715: UINT32 sector_num = REG8(AL);
7716: UINT32 cylinder = REG8(CH) | ((REG8(CL) & 0xc0) << 2);
7717: UINT32 head = REG8(DH);
7718: UINT32 sector = REG8(CL) & 0x3f;
7719: UINT32 top_sector = ((cylinder * drive_param->head_num() + head) * geo->SectorsPerTrack) + sector - 1;
7720: UINT32 buffer_addr = SREG_BASE(ES) + REG16(BX);
7721: DWORD dwSize;
7722:
7723: // if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
7724: // REG8(AH) = 0xff; // sense operation failed (hard disk)
7725: // m_CF = 1;
7726: // } else
7727: if(SetFilePointer(hFile, top_sector * geo->BytesPerSector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
7728: REG8(AH) = 0x04; // sector not found/read error
7729: m_CF = 1;
7730: } else if(ReadFile(hFile, mem + buffer_addr, sector_num * geo->BytesPerSector, &dwSize, NULL) == 0) {
7731: REG8(AH) = 0x04; // sector not found/read error
7732: m_CF = 1;
7733: } else {
7734: REG8(AH) = 0x00; // successful completion
7735: }
7736: CloseHandle(hFile);
7737: }
7738: }
7739: }
7740:
7741: inline void pcbios_int_13h_03h()
7742: {
7743: // this operation may cause serious damage for drives, so support only floppy disk...
7744: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7745:
7746: if(REG8(AL) == 0) {
7747: REG8(AH) = 0x01; // invalid function in AH or invalid parameter
7748: m_CF = 1;
7749: } else if(!pcbios_update_drive_param(drive_num, 0)) {
7750: REG8(AH) = 0xff; // sense operation failed (hard disk)
7751: m_CF = 1;
7752: } else if(!drive_params[drive_num].is_fdd()) {
7753: REG8(AH) = 0xff; // sense operation failed (hard disk)
7754: m_CF = 1;
7755: } else {
7756: drive_param_t *drive_param = &drive_params[drive_num];
7757: DISK_GEOMETRY *geo = &drive_param->geometry;
7758: char dev[64];
7759: sprintf(dev, "\\\\.\\%c:", 'A' + drive_num);
7760:
7761: HANDLE hFile = CreateFile(dev, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
7762: if(hFile == INVALID_HANDLE_VALUE) {
7763: REG8(AH) = 0xff; // sense operation failed (hard disk)
7764: m_CF = 1;
7765: } else {
7766: UINT32 sector_num = REG8(AL);
7767: UINT32 cylinder = REG8(CH) | ((REG8(CL) & 0xc0) << 2);
7768: UINT32 head = REG8(DH);
7769: UINT32 sector = REG8(CL) & 0x3f;
7770: UINT32 top_sector = ((cylinder * drive_param->head_num() + head) * geo->SectorsPerTrack) + sector - 1;
7771: UINT32 buffer_addr = SREG_BASE(ES) + REG16(BX);
7772: DWORD dwSize;
7773:
7774: // if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
7775: // REG8(AH) = 0xff; // sense operation failed (hard disk)
7776: // m_CF = 1;
7777: // } else
7778: if(SetFilePointer(hFile, top_sector * geo->BytesPerSector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
7779: REG8(AH) = 0x04; // sector not found/read error
7780: m_CF = 1;
7781: } else if(WriteFile(hFile, mem + buffer_addr, sector_num * geo->BytesPerSector, &dwSize, NULL) == 0) {
7782: REG8(AH) = 0x04; // sector not found/read error
7783: m_CF = 1;
7784: } else {
7785: REG8(AH) = 0x00; // successful completion
7786: }
7787: CloseHandle(hFile);
7788: }
7789: }
7790: }
7791:
7792: inline void pcbios_int_13h_04h()
7793: {
7794: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7795:
7796: if(REG8(AL) == 0) {
7797: REG8(AH) = 0x01; // invalid function in AH or invalid parameter
7798: m_CF = 1;
7799: } else if(!pcbios_update_drive_param(drive_num, 0)) {
7800: REG8(AH) = 0xff; // sense operation failed (hard disk)
7801: m_CF = 1;
7802: } else {
7803: drive_param_t *drive_param = &drive_params[drive_num];
7804: DISK_GEOMETRY *geo = &drive_param->geometry;
7805: char dev[64];
7806: sprintf(dev, "\\\\.\\%c:", 'A' + drive_num);
7807:
7808: HANDLE hFile = CreateFile(dev, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
7809: if(hFile == INVALID_HANDLE_VALUE) {
7810: REG8(AH) = 0xff; // sense operation failed (hard disk)
7811: m_CF = 1;
7812: } else {
7813: UINT32 sector_num = REG8(AL);
7814: UINT32 cylinder = REG8(CH) | ((REG8(CL) & 0xc0) << 2);
7815: UINT32 head = REG8(DH);
7816: UINT32 sector = REG8(CL) & 0x3f;
7817: UINT32 top_sector = ((cylinder * drive_param->head_num() + head) * geo->SectorsPerTrack) + sector - 1;
7818: UINT32 buffer_addr = SREG_BASE(ES) + REG16(BX);
7819: DWORD dwSize;
7820: UINT8 *tmp_buffer = (UINT8 *)malloc(sector_num * geo->BytesPerSector);
7821:
7822: // if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
7823: // REG8(AH) = 0xff; // sense operation failed (hard disk)
7824: // m_CF = 1;
7825: // } else
7826: if(SetFilePointer(hFile, top_sector * geo->BytesPerSector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
7827: REG8(AH) = 0x04; // sector not found/read error
7828: m_CF = 1;
7829: } else if(ReadFile(hFile, tmp_buffer, sector_num * geo->BytesPerSector, &dwSize, NULL) == 0) {
7830: REG8(AH) = 0x04; // sector not found/read error
7831: m_CF = 1;
7832: } else if(memcmp(mem + buffer_addr, tmp_buffer, sector_num * geo->BytesPerSector) != 0) {
7833: REG8(AH) = 0x05; // data did not verify correctly (TI Professional PC)
7834: m_CF = 1;
7835: } else {
7836: REG8(AH) = 0x00; // successful completion
7837: }
7838: free(tmp_buffer);
7839: CloseHandle(hFile);
7840: }
7841: }
7842: }
7843:
7844: inline void pcbios_int_13h_08h()
7845: {
7846: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7847:
7848: if(pcbios_update_drive_param(drive_num, 1)) {
7849: drive_param_t *drive_param = &drive_params[drive_num];
7850: DISK_GEOMETRY *geo = &drive_param->geometry;
7851:
7852: REG16(AX) = 0x0000;
7853: switch(geo->MediaType) {
7854: case F5_360_512:
7855: case F5_320_512:
7856: case F5_320_1024:
7857: case F5_180_512:
7858: case F5_160_512:
7859: REG8(BL) = 0x01; // 320K/360K disk
7860: break;
7861: case F5_1Pt2_512:
7862: case F3_1Pt2_512:
7863: case F3_1Pt23_1024:
7864: case F5_1Pt23_1024:
7865: REG8(BL) = 0x02; // 1.2M disk
7866: break;
7867: case F3_720_512:
7868: case F3_640_512:
7869: case F5_640_512:
7870: case F5_720_512:
7871: REG8(BL) = 0x03; // 720K disk
7872: break;
7873: case F3_1Pt44_512:
7874: REG8(BL) = 0x04; // 1.44M disk
7875: break;
7876: case F3_2Pt88_512:
7877: REG8(BL) = 0x06; // 2.88M disk
7878: break;
7879: case RemovableMedia:
7880: REG8(BL) = 0x10; // ATAPI Removable Media Device
7881: break;
7882: default:
7883: REG8(BL) = 0x00; // unknown
7884: break;
7885: }
7886: if(REG8(DL) & 0x80) {
7887: switch(GetLogicalDrives() & 0x0c) {
7888: case 0x00: REG8(DL) = 0x00; break;
7889: case 0x04:
7890: case 0x08: REG8(DL) = 0x01; break;
7891: case 0x0c: REG8(DL) = 0x02; break;
7892: }
7893: } else {
7894: switch(GetLogicalDrives() & 0x03) {
7895: case 0x00: REG8(DL) = 0x00; break;
7896: case 0x01:
7897: case 0x02: REG8(DL) = 0x01; break;
7898: case 0x03: REG8(DL) = 0x02; break;
7899: }
7900: }
7901: REG8(DH) = drive_param->head_num();
7902: int cyl = (geo->Cylinders.QuadPart > 0x3ff) ? 0x3ff : geo->Cylinders.QuadPart;
7903: int sec = (geo->SectorsPerTrack > 0x3f) ? 0x3f : geo->SectorsPerTrack;
7904: REG8(CH) = cyl & 0xff;
7905: REG8(CL) = (sec & 0x3f) | ((cyl & 0x300) >> 2);
7906: } else {
7907: REG8(AH) = 0x07;
7908: m_CF = 1;
7909: }
7910: }
7911:
7912: inline void pcbios_int_13h_10h()
7913: {
7914: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7915:
7916: if(pcbios_update_drive_param(drive_num, 1)) {
7917: REG8(AH) = 0x00; // successful completion
7918: } else {
7919: if(REG8(DL) & 0x80) {
7920: REG8(AH) = 0xaa; // drive not ready (hard disk)
7921: } else {
7922: REG8(AH) = 0x80; // timeout (not ready)
7923: }
7924: m_CF = 1;
7925: }
7926: }
7927:
7928: inline void pcbios_int_13h_15h()
7929: {
7930: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7931:
7932: if(pcbios_update_drive_param(drive_num, 1)) {
7933: if(REG8(DL) & 0x80) {
7934: REG8(AH) = 0x02; // floppy (or other removable drive) with change-line support
7935: } else {
7936: REG8(AH) = 0x03; // hard disk
7937: }
7938: } else {
7939: REG8(AH) = 0x00; // no such drive
7940: }
7941: }
7942:
1.1.1.43 root 7943: inline void pcbios_int_13h_41h()
7944: {
7945: if(REG16(BX) == 0x55aa) {
7946: // IBM/MS INT 13 Extensions is not installed
7947: REG8(AH) = 0x01;
7948: m_CF = 1;
7949: } else {
7950: unimplemented_13h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x13, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
7951: REG8(AH) = 0x01;
7952: m_CF = 1;
7953: }
7954: }
7955:
1.1.1.25 root 7956: inline void pcbios_int_14h_00h()
7957: {
1.1.1.29 root 7958: if(REG16(DX) < 4) {
1.1.1.25 root 7959: static const unsigned int rate[] = {110, 150, 300, 600, 1200, 2400, 4800, 9600};
7960: UINT8 selector = sio_read(REG16(DX), 3);
7961: selector &= ~0x3f;
7962: selector |= REG8(AL) & 0x1f;
7963: UINT16 divisor = 115200 / rate[REG8(AL) >> 5];
7964: sio_write(REG16(DX), 3, selector | 0x80);
7965: sio_write(REG16(DX), 0, divisor & 0xff);
7966: sio_write(REG16(DX), 1, divisor >> 8);
7967: sio_write(REG16(DX), 3, selector);
7968: REG8(AH) = sio_read(REG16(DX), 5);
7969: REG8(AL) = sio_read(REG16(DX), 6);
7970: } else {
7971: REG8(AH) = 0x80;
7972: }
7973: }
7974:
7975: inline void pcbios_int_14h_01h()
7976: {
1.1.1.29 root 7977: if(REG16(DX) < 4) {
1.1.1.25 root 7978: UINT8 selector = sio_read(REG16(DX), 3);
7979: sio_write(REG16(DX), 3, selector & ~0x80);
7980: sio_write(REG16(DX), 0, REG8(AL));
7981: sio_write(REG16(DX), 3, selector);
7982: REG8(AH) = sio_read(REG16(DX), 5);
7983: } else {
7984: REG8(AH) = 0x80;
7985: }
7986: }
7987:
7988: inline void pcbios_int_14h_02h()
7989: {
1.1.1.29 root 7990: if(REG16(DX) < 4) {
1.1.1.25 root 7991: UINT8 selector = sio_read(REG16(DX), 3);
7992: sio_write(REG16(DX), 3, selector & ~0x80);
7993: REG8(AL) = sio_read(REG16(DX), 0);
7994: sio_write(REG16(DX), 3, selector);
7995: REG8(AH) = sio_read(REG16(DX), 5);
7996: } else {
7997: REG8(AH) = 0x80;
7998: }
7999: }
8000:
8001: inline void pcbios_int_14h_03h()
8002: {
1.1.1.29 root 8003: if(REG16(DX) < 4) {
1.1.1.25 root 8004: REG8(AH) = sio_read(REG16(DX), 5);
8005: REG8(AL) = sio_read(REG16(DX), 6);
8006: } else {
8007: REG8(AH) = 0x80;
8008: }
8009: }
8010:
8011: inline void pcbios_int_14h_04h()
8012: {
1.1.1.29 root 8013: if(REG16(DX) < 4) {
1.1.1.25 root 8014: UINT8 selector = sio_read(REG16(DX), 3);
8015: if(REG8(CH) <= 0x03) {
8016: selector = (selector & ~0x03) | REG8(CH);
8017: }
8018: if(REG8(BL) == 0x00) {
8019: selector &= ~0x04;
8020: } else if(REG8(BL) == 0x01) {
8021: selector |= 0x04;
8022: }
8023: if(REG8(BH) == 0x00) {
8024: selector = (selector & ~0x38) | 0x00;
8025: } else if(REG8(BH) == 0x01) {
8026: selector = (selector & ~0x38) | 0x08;
8027: } else if(REG8(BH) == 0x02) {
8028: selector = (selector & ~0x38) | 0x18;
8029: } else if(REG8(BH) == 0x03) {
8030: selector = (selector & ~0x38) | 0x28;
8031: } else if(REG8(BH) == 0x04) {
8032: selector = (selector & ~0x38) | 0x38;
8033: }
8034: if(REG8(AL) == 0x00) {
8035: selector |= 0x40;
8036: } else if(REG8(AL) == 0x01) {
8037: selector &= ~0x40;
8038: }
8039: if(REG8(CL) <= 0x0b) {
8040: static const unsigned int rate[] = {110, 150, 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200};
8041: UINT16 divisor = 115200 / rate[REG8(CL)];
8042: sio_write(REG16(DX), 3, selector | 0x80);
8043: sio_write(REG16(DX), 0, divisor & 0xff);
8044: sio_write(REG16(DX), 1, divisor >> 8);
8045: }
8046: sio_write(REG16(DX), 3, selector);
8047: REG8(AH) = sio_read(REG16(DX), 5);
8048: REG8(AL) = sio_read(REG16(DX), 6);
8049: } else {
8050: REG8(AH) = 0x80;
8051: }
8052: }
8053:
8054: inline void pcbios_int_14h_05h()
8055: {
1.1.1.29 root 8056: if(REG16(DX) < 4) {
1.1.1.25 root 8057: if(REG8(AL) == 0x00) {
8058: REG8(BL) = sio_read(REG16(DX), 4);
8059: REG8(AH) = sio_read(REG16(DX), 5);
8060: REG8(AL) = sio_read(REG16(DX), 6);
8061: } else if(REG8(AL) == 0x01) {
8062: sio_write(REG16(DX), 4, REG8(BL));
8063: REG8(AH) = sio_read(REG16(DX), 5);
8064: REG8(AL) = sio_read(REG16(DX), 6);
8065: } else {
8066: unimplemented_14h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x14, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
8067: }
8068: } else {
8069: REG8(AH) = 0x80;
8070: }
8071: }
8072:
1.1.1.14 root 8073: inline void pcbios_int_15h_10h()
8074: {
1.1.1.22 root 8075: switch(REG8(AL)) {
8076: case 0x00:
1.1.1.14 root 8077: Sleep(10);
1.1.1.35 root 8078: REQUEST_HARDWRE_UPDATE();
1.1.1.22 root 8079: break;
8080: default:
8081: unimplemented_15h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x15, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.14 root 8082: REG8(AH) = 0x86;
8083: m_CF = 1;
8084: }
8085: }
8086:
1.1 root 8087: inline void pcbios_int_15h_23h()
8088: {
8089: switch(REG8(AL)) {
1.1.1.22 root 8090: case 0x00:
1.1.1.8 root 8091: REG8(CL) = cmos_read(0x2d);
8092: REG8(CH) = cmos_read(0x2e);
1.1 root 8093: break;
1.1.1.22 root 8094: case 0x01:
1.1.1.8 root 8095: cmos_write(0x2d, REG8(CL));
8096: cmos_write(0x2e, REG8(CH));
1.1 root 8097: break;
8098: default:
1.1.1.22 root 8099: unimplemented_15h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x15, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1 root 8100: REG8(AH) = 0x86;
1.1.1.3 root 8101: m_CF = 1;
1.1 root 8102: break;
8103: }
8104: }
8105:
8106: inline void pcbios_int_15h_24h()
8107: {
8108: switch(REG8(AL)) {
1.1.1.22 root 8109: case 0x00:
1.1.1.3 root 8110: i386_set_a20_line(0);
1.1 root 8111: REG8(AH) = 0;
8112: break;
1.1.1.22 root 8113: case 0x01:
1.1.1.3 root 8114: i386_set_a20_line(1);
1.1 root 8115: REG8(AH) = 0;
8116: break;
1.1.1.22 root 8117: case 0x02:
1.1 root 8118: REG8(AH) = 0;
1.1.1.3 root 8119: REG8(AL) = (m_a20_mask >> 20) & 1;
1.1 root 8120: REG16(CX) = 0;
8121: break;
1.1.1.22 root 8122: case 0x03:
1.1 root 8123: REG16(AX) = 0;
8124: REG16(BX) = 0;
8125: break;
1.1.1.22 root 8126: default:
8127: unimplemented_15h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x15, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
8128: REG8(AH) = 0x86;
8129: m_CF = 1;
8130: break;
1.1 root 8131: }
8132: }
8133:
8134: inline void pcbios_int_15h_49h()
8135: {
1.1.1.27 root 8136: REG8(AH) = 0x00;
8137: REG8(BL) = 0x00; // DOS/V
1.1 root 8138: }
8139:
1.1.1.22 root 8140: inline void pcbios_int_15h_50h()
8141: {
8142: switch(REG8(AL)) {
8143: case 0x00:
8144: case 0x01:
8145: if(REG8(BH) != 0x00 && REG8(BH) != 0x01) {
8146: REG8(AH) = 0x01; // invalid font type in bh
8147: m_CF = 1;
1.1.1.27 root 8148: } else if(REG8(BL) != 0x00) {
1.1.1.22 root 8149: REG8(AH) = 0x02; // bl not zero
8150: m_CF = 1;
8151: } else if(REG16(BP) != 0 && REG16(BP) != 437 && REG16(BP) != 932 && REG16(BP) != 934 && REG16(BP) != 936 && REG16(BP) != 938) {
8152: REG8(AH) = 0x04; // invalid code page
8153: m_CF = 1;
1.1.1.27 root 8154: } else if(REG8(AL) == 0x01) {
8155: REG8(AH) = 0x06; // font is read only
1.1.1.22 root 8156: m_CF = 1;
1.1.1.27 root 8157: } else {
1.1.1.49 root 8158: // dummy font read routine is at fffc:000d
8159: SREG(ES) = DUMMY_TOP >> 4;
1.1.1.27 root 8160: i386_load_segment_descriptor(ES);
1.1.1.32 root 8161: REG16(BX) = 0x000d;
1.1.1.27 root 8162: REG8(AH) = 0x00; // success
1.1.1.22 root 8163: }
8164: break;
8165: default:
8166: unimplemented_15h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x15, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
8167: REG8(AH) = 0x86;
8168: m_CF = 1;
8169: break;
8170: }
8171: }
8172:
1.1.1.30 root 8173: inline void pcbios_int_15h_53h()
8174: {
8175: switch(REG8(AL)) {
8176: case 0x00:
8177: // APM is not installed
8178: REG8(AH) = 0x86;
8179: m_CF = 1;
8180: break;
8181: default:
8182: unimplemented_15h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x15, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
8183: REG8(AH) = 0x86;
8184: m_CF = 1;
8185: break;
8186: }
8187: }
8188:
1.1.1.43 root 8189: inline void pcbios_int_15h_84h()
8190: {
8191: // joystick support (from DOSBox)
8192: switch(REG16(DX)) {
8193: case 0x00:
8194: REG16(AX) = 0x00f0;
8195: REG16(DX) = 0x0201;
8196: m_CF = 1;
8197: break;
8198: case 0x01:
8199: REG16(AX) = REG16(BX) = REG16(CX) = REG16(DX) = 0x0000;
8200: m_CF = 1;
8201: break;
8202: default:
8203: unimplemented_15h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x15, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
8204: REG8(AH) = 0x86;
8205: m_CF = 1;
8206: break;
8207: }
8208: }
1.1.1.35 root 8209:
8210: DWORD WINAPI pcbios_int_15h_86h_thread(LPVOID)
1.1 root 8211: {
8212: UINT32 usec = (REG16(CX) << 16) | REG16(DX);
1.1.1.14 root 8213: UINT32 msec = usec / 1000;
8214:
1.1.1.54 root 8215: while(msec && !m_exit) {
1.1.1.14 root 8216: UINT32 tmp = min(msec, 100);
8217: if(msec - tmp < 10) {
8218: tmp = msec;
8219: }
8220: Sleep(tmp);
8221: msec -= tmp;
8222: }
1.1.1.35 root 8223:
8224: #ifdef USE_SERVICE_THREAD
8225: service_exit = true;
8226: #endif
8227: return(0);
8228: }
8229:
8230: inline void pcbios_int_15h_86h()
8231: {
8232: if(!(REG16(CX) == 0 && REG16(DX) == 0)) {
8233: #ifdef USE_SERVICE_THREAD
1.1.1.51 root 8234: if(!in_service && !in_service_29h) {
8235: start_service_loop(pcbios_int_15h_86h_thread);
8236: } else {
8237: #endif
8238: pcbios_int_15h_86h_thread(NULL);
8239: REQUEST_HARDWRE_UPDATE();
8240: #ifdef USE_SERVICE_THREAD
8241: }
1.1.1.35 root 8242: #endif
8243: }
1.1 root 8244: }
8245:
8246: inline void pcbios_int_15h_87h()
8247: {
8248: // copy extended memory (from DOSBox)
8249: int len = REG16(CX) * 2;
1.1.1.3 root 8250: int ofs = SREG_BASE(ES) + REG16(SI);
1.1 root 8251: int src = (*(UINT32 *)(mem + ofs + 0x12) & 0xffffff); // + (mem[ofs + 0x16] << 24);
8252: int dst = (*(UINT32 *)(mem + ofs + 0x1a) & 0xffffff); // + (mem[ofs + 0x1e] << 24);
8253: memcpy(mem + dst, mem + src, len);
8254: REG16(AX) = 0x00;
8255: }
8256:
8257: inline void pcbios_int_15h_88h()
8258: {
1.1.1.17 root 8259: REG16(AX) = ((min(MAX_MEM, 0x4000000) - 0x100000) >> 10);
1.1 root 8260: }
8261:
8262: inline void pcbios_int_15h_89h()
8263: {
1.1.1.21 root 8264: #if defined(HAS_I286) || defined(HAS_I386)
1.1 root 8265: // switch to protected mode (from DOSBox)
8266: write_io_byte(0x20, 0x10);
8267: write_io_byte(0x21, REG8(BH));
8268: write_io_byte(0x21, 0x00);
8269: write_io_byte(0xa0, 0x10);
8270: write_io_byte(0xa1, REG8(BL));
8271: write_io_byte(0xa1, 0x00);
1.1.1.3 root 8272: i386_set_a20_line(1);
8273: int ofs = SREG_BASE(ES) + REG16(SI);
8274: m_gdtr.limit = *(UINT16 *)(mem + ofs + 0x08);
8275: m_gdtr.base = *(UINT32 *)(mem + ofs + 0x08 + 0x02) & 0xffffff;
8276: m_idtr.limit = *(UINT16 *)(mem + ofs + 0x10);
8277: m_idtr.base = *(UINT32 *)(mem + ofs + 0x10 + 0x02) & 0xffffff;
8278: #if defined(HAS_I386)
8279: m_cr[0] |= 1;
8280: #else
8281: m_msw |= 1;
8282: #endif
8283: SREG(DS) = 0x18;
8284: SREG(ES) = 0x20;
8285: SREG(SS) = 0x28;
8286: i386_load_segment_descriptor(DS);
8287: i386_load_segment_descriptor(ES);
8288: i386_load_segment_descriptor(SS);
1.1.1.21 root 8289: UINT16 offset = *(UINT16 *)(mem + SREG_BASE(SS) + REG16(SP));
1.1 root 8290: REG16(SP) += 6;
1.1.1.3 root 8291: #if defined(HAS_I386)
1.1.1.21 root 8292: UINT32 flags = get_flags();
8293: flags &= (0x20000 | 0x40000 | 0x80000 | 0x100000 | 0x200000);
8294: set_flags(flags);
1.1.1.3 root 8295: #else
1.1.1.21 root 8296: UINT32 flags = CompressFlags();
8297: flags &= (0x20000 | 0x40000 | 0x80000 | 0x100000 | 0x200000);
8298: ExpandFlags(flags);
1.1.1.3 root 8299: #endif
1.1 root 8300: REG16(AX) = 0x00;
1.1.1.21 root 8301: i386_jmp_far(0x30, /*REG16(CX)*/offset);
1.1 root 8302: #else
1.1.1.21 root 8303: // i86/i186/v30: protected mode is not supported
1.1 root 8304: REG8(AH) = 0x86;
1.1.1.3 root 8305: m_CF = 1;
1.1 root 8306: #endif
8307: }
8308:
1.1.1.21 root 8309: inline void pcbios_int_15h_8ah()
8310: {
8311: UINT32 size = MAX_MEM - 0x100000;
8312: REG16(AX) = size & 0xffff;
8313: REG16(DX) = size >> 16;
8314: }
8315:
1.1.1.54 root 8316: #ifdef EXT_BIOS_TOP
8317: inline void pcbios_int_15h_c1h()
8318: {
8319: SREG(ES) = EXT_BIOS_TOP >> 4;
8320: i386_load_segment_descriptor(ES);
8321: }
8322: #endif
8323:
8324: void pcbios_read_from_ps2_mouse(UINT16 *data_1st, UINT16 *data_2nd, UINT16 *data_3rd)
8325: {
8326: // from DOSBox DoPS2Callback()
8327: UINT16 mdat = 0x08;
8328: INT16 xdiff = mouse.position.x - mouse.prev_position.x;
8329: INT16 ydiff = mouse.prev_position.y - mouse.position.y;
8330:
8331: if(mouse.buttons[0].status) {
8332: mdat |= 0x01;
8333: }
8334: if(mouse.buttons[1].status) {
8335: mdat |= 0x02;
8336: }
8337: mouse.prev_position.x = mouse.position.x;
8338: mouse.prev_position.y = mouse.position.y;
8339: if((xdiff > 0xff) || (xdiff < -0xff)) {
8340: mdat |= 0x40; // x overflow
8341: }
8342: if((ydiff > 0xff) || (ydiff < -0xff)) {
8343: mdat |= 0x80; // y overflow
8344: }
8345: xdiff %= 256;
8346: ydiff %= 256;
8347: if(xdiff < 0) {
8348: xdiff = (0x100 + xdiff);
8349: mdat |= 0x10;
8350: }
8351: if(ydiff < 0) {
8352: ydiff = (0x100 + ydiff);
8353: mdat |= 0x20;
8354: }
8355: *data_1st = (UINT16)mdat;
8356: *data_2nd = (UINT16)(xdiff % 256);
8357: *data_3rd = (UINT16)(ydiff % 256);
8358: }
8359:
8360: inline void pcbios_int_15h_c2h()
8361: {
8362: static UINT8 enabled = 0;
8363: static UINT8 sampling_rate = 5;
8364: static UINT8 resolution = 2;
8365: static UINT8 scaling = 1;
8366:
8367: switch(REG8(AL)) {
8368: case 0x00:
8369: if(REG8(BH) == 0x00 || REG8(BH) == 0x01) {
8370: enabled = REG8(BH);
8371: REG8(AH) = 0x00; // successful
8372: } else {
8373: REG8(AH) = 0x01; // invalid function
8374: m_CF = 1;
8375: }
8376: break;
8377: case 0x01:
8378: REG8(BH) = 0x00; // device id
8379: REG8(BL) = 0xaa; // mouse
8380: case 0x05:
8381: enabled = 0;
8382: sampling_rate = 5;
8383: resolution = 2;
8384: scaling = 1;
8385: REG8(AH) = 0x00; // successful
8386: break;
8387: case 0x02:
8388: sampling_rate = REG8(BH);
8389: REG8(AH) = 0x00; // successful
8390: break;
8391: case 0x03:
8392: resolution = REG8(BH);
8393: REG8(AH) = 0x00; // successful
8394: break;
8395: case 0x04:
8396: REG8(BH) = 0x00; // device id
8397: REG8(AH) = 0x00; // successful
8398: break;
8399: case 0x06:
8400: switch(REG8(BH)) {
8401: case 0x00:
8402: REG8(BL) = 0x00;
8403: if(mouse.buttons[1].status) {
8404: REG8(BL) |= 0x01;
8405: }
8406: if(mouse.buttons[0].status) {
8407: REG8(BL) |= 0x04;
8408: }
8409: if(scaling == 2) {
8410: REG8(BL) |= 0x10;
8411: }
8412: REG8(CL) = resolution;
8413: switch(sampling_rate) {
8414: case 0: REG8(DL) = 10; break;
8415: case 1: REG8(DL) = 20; break;
8416: case 2: REG8(DL) = 40; break;
8417: case 3: REG8(DL) = 60; break;
8418: case 4: REG8(DL) = 80; break;
8419: // case 5: REG8(DL) = 100; break;
8420: case 6: REG8(DL) = 200; break;
8421: default: REG8(DL) = 100; break;
8422: }
8423: REG8(AH) = 0x00; // successful
8424: break;
8425: case 0x01:
8426: case 0x02:
8427: scaling = REG8(BH);
8428: REG8(AH) = 0x00; // successful
8429: break;
8430: default:
8431: unimplemented_15h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x15, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
8432: REG8(AH) = 0x01; // invalid function
8433: m_CF = 1;
8434: break;
8435: }
8436: break;
8437: case 0x07: // set device handler addr
8438: mouse.call_addr_ps2.w.l = REG16(BX);
8439: mouse.call_addr_ps2.w.h = SREG(ES);
8440: REG8(AH) = 0x00; // successful
8441: break;
8442: case 0x08:
8443: REG8(AH) = 0x00; // successful
8444: break;
8445: case 0x09:
8446: {
8447: UINT16 data_1st, data_2nd, data_3rd;
8448: pcbios_read_from_ps2_mouse(&data_1st, &data_2nd, &data_3rd);
8449: REG8(BL) = (UINT8)(data_1st & 0xff);
8450: REG8(CL) = (UINT8)(data_2nd & 0xff);
8451: REG8(DL) = (UINT8)(data_3rd & 0xff);
8452: }
8453: REG8(AH) = 0x00; // successful
8454: break;
8455: default:
8456: unimplemented_15h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x15, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
8457: // REG8(AH) = 0x86;
8458: REG8(AH) = 0x01; // invalid function
8459: m_CF = 1;
8460: break;
8461: }
8462: }
8463:
1.1.1.3 root 8464: #if defined(HAS_I386)
1.1 root 8465: inline void pcbios_int_15h_c9h()
8466: {
8467: REG8(AH) = 0x00;
8468: REG8(CH) = cpu_type;
8469: REG8(CL) = cpu_step;
8470: }
1.1.1.3 root 8471: #endif
1.1 root 8472:
8473: inline void pcbios_int_15h_cah()
8474: {
8475: switch(REG8(AL)) {
1.1.1.22 root 8476: case 0x00:
1.1 root 8477: if(REG8(BL) > 0x3f) {
8478: REG8(AH) = 0x03;
1.1.1.3 root 8479: m_CF = 1;
1.1 root 8480: } else if(REG8(BL) < 0x0e) {
8481: REG8(AH) = 0x04;
1.1.1.3 root 8482: m_CF = 1;
1.1 root 8483: } else {
1.1.1.8 root 8484: REG8(CL) = cmos_read(REG8(BL));
1.1 root 8485: }
8486: break;
1.1.1.22 root 8487: case 0x01:
1.1 root 8488: if(REG8(BL) > 0x3f) {
8489: REG8(AH) = 0x03;
1.1.1.3 root 8490: m_CF = 1;
1.1 root 8491: } else if(REG8(BL) < 0x0e) {
8492: REG8(AH) = 0x04;
1.1.1.3 root 8493: m_CF = 1;
1.1 root 8494: } else {
1.1.1.8 root 8495: cmos_write(REG8(BL), REG8(CL));
1.1 root 8496: }
8497: break;
8498: default:
1.1.1.22 root 8499: unimplemented_15h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x15, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1 root 8500: REG8(AH) = 0x86;
1.1.1.3 root 8501: m_CF = 1;
1.1 root 8502: break;
8503: }
8504: }
8505:
1.1.1.22 root 8506: inline void pcbios_int_15h_e8h()
1.1.1.17 root 8507: {
1.1.1.22 root 8508: switch(REG8(AL)) {
8509: #if defined(HAS_I386)
8510: case 0x01:
8511: REG16(AX) = REG16(CX) = ((min(MAX_MEM, 0x1000000) - 0x100000) >> 10);
8512: REG16(BX) = REG16(DX) = ((max(MAX_MEM, 0x1000000) - 0x1000000) >> 16);
8513: break;
1.1.1.17 root 8514: #endif
1.1.1.22 root 8515: default:
8516: unimplemented_15h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x15, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
8517: REG8(AH) = 0x86;
8518: m_CF = 1;
8519: break;
8520: }
8521: }
1.1.1.17 root 8522:
1.1.1.55 root 8523: bool pcbios_is_key_buffer_empty()
8524: {
8525: return(*(UINT16 *)(mem + 0x41a) == *(UINT16 *)(mem + 0x41c));
8526: }
8527:
1.1.1.51 root 8528: void pcbios_clear_key_buffer()
8529: {
8530: key_buf_char->clear();
8531: key_buf_scan->clear();
8532:
8533: // update key buffer
8534: *(UINT16 *)(mem + 0x41a) = *(UINT16 *)(mem + 0x41c); // head = tail
8535: }
8536:
8537: void pcbios_set_key_buffer(int key_char, int key_scan)
8538: {
8539: // update key buffer
8540: UINT16 head = *(UINT16 *)(mem + 0x41a);
8541: UINT16 tail = *(UINT16 *)(mem + 0x41c);
8542: UINT16 next = tail + 2;
8543: if(next >= *(UINT16 *)(mem + 0x482)) {
8544: next = *(UINT16 *)(mem + 0x480);
8545: }
8546: if(next != head) {
8547: *(UINT16 *)(mem + 0x41c) = next;
8548: mem[0x400 + (tail++)] = key_char;
8549: mem[0x400 + (tail++)] = key_scan;
1.1.1.55 root 8550: } else {
8551: // store to extra key buffer
8552: if(key_buf_char != NULL && key_buf_scan != NULL) {
8553: key_buf_char->write(key_char);
8554: key_buf_scan->write(key_scan);
8555: }
1.1.1.51 root 8556: }
8557: }
8558:
8559: bool pcbios_get_key_buffer(int *key_char, int *key_scan)
8560: {
8561: // update key buffer
8562: UINT16 head = *(UINT16 *)(mem + 0x41a);
8563: UINT16 tail = *(UINT16 *)(mem + 0x41c);
8564: UINT16 next = head + 2;
8565: if(next >= *(UINT16 *)(mem + 0x482)) {
8566: next = *(UINT16 *)(mem + 0x480);
8567: }
8568: if(head != tail) {
8569: *(UINT16 *)(mem + 0x41a) = next;
1.1.1.55 root 8570: *key_char = mem[0x400 + (head++)];
8571: *key_scan = mem[0x400 + (head++)];
8572:
8573: // restore from extra key buffer
8574: if(key_buf_char != NULL && key_buf_scan != NULL) {
8575: if(!key_buf_char->empty()) {
8576: pcbios_set_key_buffer(key_buf_char->read(), key_buf_scan->read());
8577: }
8578: }
8579: return(true);
8580: } else {
8581: *key_char = 0x00;
8582: *key_scan = 0x00;
8583: return(false);
1.1.1.51 root 8584: }
8585: }
8586:
1.1.1.33 root 8587: void pcbios_update_key_code(bool wait)
1.1 root 8588: {
1.1.1.32 root 8589: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 8590: #ifdef USE_SERVICE_THREAD
8591: EnterCriticalSection(&key_buf_crit_sect);
8592: #endif
1.1.1.55 root 8593: bool empty = pcbios_is_key_buffer_empty();
1.1.1.35 root 8594: #ifdef USE_SERVICE_THREAD
8595: LeaveCriticalSection(&key_buf_crit_sect);
8596: #endif
8597: if(empty) {
1.1.1.32 root 8598: if(!update_key_buffer()) {
1.1.1.33 root 8599: if(wait) {
1.1.1.32 root 8600: Sleep(10);
8601: } else {
8602: maybe_idle();
8603: }
1.1.1.14 root 8604: }
8605: }
1.1.1.34 root 8606: }
8607: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 8608: #ifdef USE_SERVICE_THREAD
8609: EnterCriticalSection(&key_buf_crit_sect);
8610: #endif
1.1.1.51 root 8611: int key_char, key_scan;
8612: if(pcbios_get_key_buffer(&key_char, &key_scan)) {
1.1.1.41 root 8613: key_code = key_char << 0;
8614: key_code |= key_scan << 8;
1.1.1.35 root 8615: key_recv = 0x0000ffff;
1.1.1.51 root 8616: }
8617: if(pcbios_get_key_buffer(&key_char, &key_scan)) {
1.1.1.41 root 8618: key_code |= key_char << 16;
8619: key_code |= key_scan << 24;
1.1.1.33 root 8620: key_recv |= 0xffff0000;
1.1.1.32 root 8621: }
1.1.1.35 root 8622: #ifdef USE_SERVICE_THREAD
8623: LeaveCriticalSection(&key_buf_crit_sect);
8624: #endif
1.1 root 8625: }
8626: }
8627:
1.1.1.35 root 8628: DWORD WINAPI pcbios_int_16h_00h_thread(LPVOID)
1.1 root 8629: {
1.1.1.54 root 8630: while(key_recv == 0 && !m_exit) {
1.1.1.33 root 8631: pcbios_update_key_code(true);
1.1 root 8632: }
1.1.1.33 root 8633: if((key_recv & 0x0000ffff) && (key_recv & 0xffff0000)) {
8634: if((key_code & 0xffff) == 0x0000 || (key_code & 0xffff) == 0xe000) {
8635: if(REG8(AH) == 0x10) {
8636: key_code = ((key_code >> 8) & 0xff) | ((key_code >> 16) & 0xff00);
8637: } else {
8638: key_code = ((key_code >> 16) & 0xff00);
8639: }
8640: key_recv >>= 16;
1.1 root 8641: }
8642: }
8643: REG16(AX) = key_code & 0xffff;
8644: key_code >>= 16;
1.1.1.33 root 8645: key_recv >>= 16;
1.1.1.35 root 8646:
8647: #ifdef USE_SERVICE_THREAD
8648: service_exit = true;
8649: #endif
8650: return(0);
8651: }
8652:
8653: inline void pcbios_int_16h_00h()
8654: {
8655: #ifdef USE_SERVICE_THREAD
1.1.1.51 root 8656: if(!in_service && !in_service_29h) {
8657: start_service_loop(pcbios_int_16h_00h_thread);
8658: } else {
8659: #endif
8660: pcbios_int_16h_00h_thread(NULL);
8661: REQUEST_HARDWRE_UPDATE();
8662: #ifdef USE_SERVICE_THREAD
8663: }
1.1.1.35 root 8664: #endif
1.1 root 8665: }
8666:
8667: inline void pcbios_int_16h_01h()
8668: {
1.1.1.33 root 8669: if(key_recv == 0) {
8670: pcbios_update_key_code(false);
1.1.1.5 root 8671: }
1.1.1.33 root 8672: if(key_recv != 0) {
8673: UINT32 key_code_tmp = key_code;
8674: if((key_recv & 0x0000ffff) && (key_recv & 0xffff0000)) {
8675: if((key_code_tmp & 0xffff) == 0x0000 || (key_code_tmp & 0xffff) == 0xe000) {
8676: if(REG8(AH) == 0x11) {
8677: key_code_tmp = ((key_code_tmp >> 8) & 0xff) | ((key_code_tmp >> 16) & 0xff00);
8678: } else {
8679: key_code_tmp = ((key_code_tmp >> 16) & 0xff00);
8680: }
8681: }
1.1 root 8682: }
1.1.1.5 root 8683: REG16(AX) = key_code_tmp & 0xffff;
1.1.1.3 root 8684: #if defined(HAS_I386)
1.1.1.33 root 8685: m_ZF = 0;
8686: #else
8687: m_ZeroVal = 1;
8688: #endif
8689: } else {
8690: #if defined(HAS_I386)
8691: m_ZF = 1;
1.1.1.3 root 8692: #else
1.1.1.33 root 8693: m_ZeroVal = 0;
1.1.1.3 root 8694: #endif
1.1.1.33 root 8695: }
1.1 root 8696: }
8697:
8698: inline void pcbios_int_16h_02h()
8699: {
8700: REG8(AL) = (GetAsyncKeyState(VK_INSERT ) & 0x0001) ? 0x80 : 0;
8701: REG8(AL) |= (GetAsyncKeyState(VK_CAPITAL) & 0x0001) ? 0x40 : 0;
8702: REG8(AL) |= (GetAsyncKeyState(VK_NUMLOCK) & 0x0001) ? 0x20 : 0;
8703: REG8(AL) |= (GetAsyncKeyState(VK_SCROLL ) & 0x0001) ? 0x10 : 0;
8704: REG8(AL) |= (GetAsyncKeyState(VK_MENU ) & 0x8000) ? 0x08 : 0;
8705: REG8(AL) |= (GetAsyncKeyState(VK_CONTROL) & 0x8000) ? 0x04 : 0;
8706: REG8(AL) |= (GetAsyncKeyState(VK_LSHIFT ) & 0x8000) ? 0x02 : 0;
8707: REG8(AL) |= (GetAsyncKeyState(VK_RSHIFT ) & 0x8000) ? 0x01 : 0;
8708: }
8709:
8710: inline void pcbios_int_16h_03h()
8711: {
8712: static UINT16 status = 0;
8713:
8714: switch(REG8(AL)) {
8715: case 0x05:
8716: status = REG16(BX);
8717: break;
8718: case 0x06:
8719: REG16(BX) = status;
8720: break;
8721: default:
1.1.1.3 root 8722: m_CF = 1;
1.1 root 8723: break;
8724: }
8725: }
8726:
8727: inline void pcbios_int_16h_05h()
8728: {
1.1.1.32 root 8729: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 8730: #ifdef USE_SERVICE_THREAD
8731: EnterCriticalSection(&key_buf_crit_sect);
8732: #endif
1.1.1.51 root 8733: pcbios_set_key_buffer(REG8(CL), REG8(CH));
1.1.1.35 root 8734: #ifdef USE_SERVICE_THREAD
8735: LeaveCriticalSection(&key_buf_crit_sect);
8736: #endif
1.1.1.32 root 8737: }
1.1 root 8738: REG8(AL) = 0x00;
8739: }
8740:
8741: inline void pcbios_int_16h_12h()
8742: {
8743: pcbios_int_16h_02h();
8744:
8745: REG8(AH) = 0;//(GetAsyncKeyState(VK_SYSREQ ) & 0x8000) ? 0x80 : 0;
8746: REG8(AH) |= (GetAsyncKeyState(VK_CAPITAL ) & 0x8000) ? 0x40 : 0;
8747: REG8(AH) |= (GetAsyncKeyState(VK_NUMLOCK ) & 0x8000) ? 0x20 : 0;
8748: REG8(AH) |= (GetAsyncKeyState(VK_SCROLL ) & 0x8000) ? 0x10 : 0;
8749: REG8(AH) |= (GetAsyncKeyState(VK_RMENU ) & 0x8000) ? 0x08 : 0;
8750: REG8(AH) |= (GetAsyncKeyState(VK_RCONTROL) & 0x8000) ? 0x04 : 0;
8751: REG8(AH) |= (GetAsyncKeyState(VK_LMENU ) & 0x8000) ? 0x02 : 0;
8752: REG8(AH) |= (GetAsyncKeyState(VK_LCONTROL) & 0x8000) ? 0x01 : 0;
8753: }
8754:
8755: inline void pcbios_int_16h_13h()
8756: {
8757: static UINT16 status = 0;
8758:
8759: switch(REG8(AL)) {
8760: case 0x00:
8761: status = REG16(DX);
8762: break;
8763: case 0x01:
8764: REG16(DX) = status;
8765: break;
8766: default:
1.1.1.22 root 8767: unimplemented_16h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x16, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.3 root 8768: m_CF = 1;
1.1 root 8769: break;
8770: }
8771: }
8772:
8773: inline void pcbios_int_16h_14h()
8774: {
8775: static UINT8 status = 0;
8776:
8777: switch(REG8(AL)) {
8778: case 0x00:
8779: case 0x01:
8780: status = REG8(AL);
8781: break;
8782: case 0x02:
8783: REG8(AL) = status;
8784: break;
8785: default:
1.1.1.22 root 8786: unimplemented_16h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x16, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.3 root 8787: m_CF = 1;
1.1 root 8788: break;
8789: }
8790: }
8791:
1.1.1.24 root 8792: inline void pcbios_int_16h_55h()
8793: {
8794: switch(REG8(AL)) {
8795: case 0x00:
8796: // keyboard tsr is not present
8797: break;
8798: case 0xfe:
8799: // handlers for INT 08, INT 09, INT 16, INT 1B, and INT 1C are installed
8800: break;
8801: case 0xff:
8802: break;
8803: default:
8804: unimplemented_16h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x16, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
8805: m_CF = 1;
8806: break;
8807: }
8808: }
8809:
1.1.1.30 root 8810: inline void pcbios_int_16h_6fh()
8811: {
8812: switch(REG8(AL)) {
8813: case 0x00:
8814: // HP Vectra EX-BIOS - "F16_INQUIRE" - Extended BIOS is not installed
8815: break;
8816: default:
8817: unimplemented_16h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x16, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
8818: m_CF = 1;
8819: break;
8820: }
8821: }
8822:
1.1.1.37 root 8823: UINT16 pcbios_printer_jis2sjis(UINT16 jis)
8824: {
8825: UINT8 hi = jis >> 8;
8826: UINT8 lo = jis & 0xff;
8827:
8828: lo = (hi & 0x01) ? lo - 0x1f : lo + 0x7d;
8829: hi = (hi - 0x21) / 2 + 0x81;
8830: hi = (hi >= 0xa0) ? hi + 0x40 : hi;
8831: lo = (lo >= 0x7f) ? lo + 0x01 : lo;
8832:
8833: return((hi << 8) + lo);
8834: }
8835:
8836: UINT16 pcbios_printer_sjis2jis(UINT16 sjis)
8837: {
8838: UINT8 hi = sjis >> 8;
8839: UINT8 lo = sjis & 0xff;
8840:
8841: if(hi == 0x80 || (hi >= 0xeb && hi <= 0xef) || (hi >= 0xf4 && hi <= 0xff)) {
8842: return(0x2121);
8843: }
8844: if((lo >= 0x00 && lo <= 0x3f) || lo == 0x7f || (lo >= 0xfd && lo <= 0xff)) {
8845: return(0x2121);
8846: }
8847: if(hi >= 0xf0 && hi <= 0xf3) {
8848: // gaiji
8849: if(lo >= 0x40 && lo <= 0x7e) {
8850: return(0x7721 + lo - 0x40 + (hi - 0xf0) * 0x200);
8851: }
8852: if(lo >= 0x80 && lo <= 0x9e) {
8853: return(0x7760 + lo - 0x80 + (hi - 0xf0) * 0x200);
8854: }
8855: if(lo >= 0x9f && lo <= 0xfc) {
8856: return(0x7821 + lo - 0x9f + (hi - 0xf0) * 0x200);
8857: }
8858: }
8859: hi = (hi >= 0xe0) ? hi - 0x40 : hi;
8860: lo = (lo >= 0x80) ? lo - 0x01 : lo;
8861: hi = ((lo >= 0x9e) ? 1 : 0) + (hi - 0x81) * 2 + 0x21;
8862: lo = ((lo >= 0x9e) ? lo - 0x9e : lo - 0x40) + 0x21;
8863:
8864: return((hi << 8) + lo);
8865: }
8866:
1.1.1.38 root 8867: // AX�e�N�j�J�����t�@�����X�K�C�h 1989
8868: // �t�^10 ���{��g��PRINTER DRIVER NIOS�T�d�l
8869: // 6. �R���g���[���R�[�h�̉��
1.1.1.37 root 8870:
8871: void pcbios_printer_out(int c, UINT8 data)
8872: {
8873: if(pio[c].conv_mode) {
8874: if(pio[c].sjis_hi != 0) {
8875: if(!pio[c].jis_mode) {
8876: printer_out(c, 0x1c);
8877: printer_out(c, 0x26);
8878: pio[c].jis_mode = true;
8879: }
8880: UINT16 jis = pcbios_printer_sjis2jis((pio[c].sjis_hi << 8) | data);
8881: printer_out(c, jis >> 8);
8882: printer_out(c, jis & 0xff);
8883: pio[c].sjis_hi = 0;
8884: } else if(pio[c].esc_buf[0] == 0x1b) {
8885: printer_out(c, data);
8886: if(pio[c].esc_len < sizeof(pio[c].esc_buf)) {
8887: pio[c].esc_buf[pio[c].esc_len] = data;
8888: }
8889: pio[c].esc_len++;
8890:
8891: switch(pio[c].esc_buf[1]) {
1.1.1.38 root 8892: case 0x33: // 1Bh 33h XX
8893: case 0x4a: // 1Bh 4Ah XX
8894: case 0x4e: // 1Bh 4Eh XX
8895: case 0x51: // 1Bh 51h XX
8896: case 0x55: // 1Bh 55h XX
8897: case 0x6c: // 1Bh 6Ch XX
8898: case 0x71: // 1Bh 71h XX
8899: case 0x72: // 1Bh 72h XX
1.1.1.37 root 8900: if(pio[c].esc_len == 3) {
8901: pio[c].esc_buf[0] = 0x00;
8902: }
8903: break;
1.1.1.38 root 8904: case 0x24: // 1Bh 24h XX XX
8905: case 0x5c: // 1Bh 5Ch XX XX
1.1.1.37 root 8906: if(pio[c].esc_len == 4) {
8907: pio[c].esc_buf[0] = 0x00;
8908: }
8909: break;
1.1.1.38 root 8910: case 0x2a: // 1Bh 2Ah XX XX XX data
1.1.1.37 root 8911: if(pio[c].esc_len >= 3) {
8912: switch(pio[c].esc_buf[2]) {
8913: case 0: case 1: case 2: case 3: case 4: case 6:
8914: if(pio[c].esc_len >= 5 && pio[c].esc_len == 5 + (pio[c].esc_buf[3] + pio[c].esc_buf[4] * 256) * 1) {
8915: pio[c].esc_buf[0] = 0x00;
8916: }
8917: break;
8918: case 32: case 33: case 38: case 39: case 40:
8919: if(pio[c].esc_len >= 5 && pio[c].esc_len == 5 + (pio[c].esc_buf[3] + pio[c].esc_buf[4] * 256) * 3) {
8920: pio[c].esc_buf[0] = 0x00;
8921: }
8922: break;
1.1.1.38 root 8923: case 71: case 72: case 73:
8924: if(pio[c].esc_len >= 5 && pio[c].esc_len == 5 + (pio[c].esc_buf[3] + pio[c].esc_buf[4] * 256) * 6) {
8925: pio[c].esc_buf[0] = 0x00;
8926: }
8927: break;
1.1.1.37 root 8928: default:
8929: pio[c].esc_buf[0] = 0x00;
8930: break;
8931: }
8932: }
8933: break;
1.1.1.38 root 8934: case 0x40: // 1Bh 40h
1.1.1.37 root 8935: if(pio[c].jis_mode) {
8936: printer_out(c, 0x1c);
8937: printer_out(c, 0x2e);
8938: pio[c].jis_mode = false;
8939: }
8940: pio[c].esc_buf[0] = 0x00;
8941: break;
1.1.1.38 root 8942: case 0x42: // 1Bh 42h data 00h
8943: case 0x44: // 1Bh 44h data 00h
1.1.1.37 root 8944: if(pio[c].esc_len >= 3 && data == 0) {
8945: pio[c].esc_buf[0] = 0x00;
8946: }
8947: break;
1.1.1.38 root 8948: case 0x43: // 1Bh 43h (00h) XX
1.1.1.37 root 8949: if(pio[c].esc_len >= 3 && data != 0) {
8950: pio[c].esc_buf[0] = 0x00;
8951: }
8952: break;
1.1.1.38 root 8953: default: // 1Bh XX
1.1.1.37 root 8954: pio[c].esc_buf[0] = 0x00;
8955: break;
8956: }
8957: } else if(pio[c].esc_buf[0] == 0x1c) {
8958: printer_out(c, data);
8959: if(pio[c].esc_len < sizeof(pio[c].esc_buf)) {
8960: pio[c].esc_buf[pio[c].esc_len] = data;
8961: }
8962: pio[c].esc_len++;
8963:
8964: switch(pio[c].esc_buf[1]) {
1.1.1.38 root 8965: case 0x21: // 1Ch 21h XX
8966: case 0x2d: // 1Ch 2Dh XX
8967: case 0x57: // 1Ch 57h XX
8968: case 0x6b: // 1Ch 6Bh XX
8969: case 0x72: // 1Ch 72h XX
8970: case 0x78: // 1Ch 78h XX
1.1.1.37 root 8971: if(pio[c].esc_len == 3) {
8972: pio[c].esc_buf[0] = 0x00;
8973: }
8974: break;
1.1.1.38 root 8975: case 0x26: // 1Ch 26h
1.1.1.37 root 8976: pio[c].jis_mode = true;
8977: pio[c].esc_buf[0] = 0x00;
8978: break;
1.1.1.38 root 8979: case 0x2e: // 1Ch 2Eh
1.1.1.37 root 8980: pio[c].jis_mode = false;
8981: pio[c].esc_buf[0] = 0x00;
8982: break;
1.1.1.38 root 8983: case 0x32: // 1Ch 32h XX XX data
1.1.1.37 root 8984: if(pio[c].esc_len == 76) {
8985: pio[c].esc_buf[0] = 0x00;
8986: }
8987: break;
1.1.1.38 root 8988: case 0x44: // 1Bh 44h data 00h
1.1.1.37 root 8989: if(pio[c].esc_len == 6) {
8990: pio[c].esc_buf[0] = 0x00;
8991: }
8992: break;
1.1.1.38 root 8993: case 0x53: // 1Ch 53h XX XX
8994: case 0x54: // 1Ch 54h XX XX
1.1.1.37 root 8995: if(pio[c].esc_len == 4) {
8996: pio[c].esc_buf[0] = 0x00;
8997: }
8998: break;
1.1.1.38 root 8999: default: // 1Ch XX
1.1.1.37 root 9000: pio[c].esc_buf[0] = 0x00;
9001: break;
9002: }
9003: } else if(data == 0x1b || data == 0x1c) {
9004: printer_out(c, data);
9005: pio[c].esc_buf[0] = data;
9006: pio[c].esc_len = 1;
9007: } else if((data >= 0x80 && data <= 0x9f) || (data >= 0xe0 && data <= 0xff)) {
9008: pio[c].sjis_hi = data;
9009: } else {
9010: if(pio[c].jis_mode) {
9011: printer_out(c, 0x1c);
9012: printer_out(c, 0x2e);
9013: pio[c].jis_mode = false;
9014: }
9015: printer_out(c, data);
9016: }
9017: } else {
9018: if(pio[c].jis_mode) {
9019: printer_out(c, 0x1c);
9020: printer_out(c, 0x2e);
9021: pio[c].jis_mode = false;
9022: }
9023: printer_out(c, data);
9024: }
9025: }
9026:
9027: inline void pcbios_int_17h_00h()
9028: {
9029: if(REG16(DX) < 3) {
9030: pcbios_printer_out(REG16(DX), REG8(AL));
9031: REG8(AH) = 0xd0;
9032: }
9033: }
9034:
9035: inline void pcbios_int_17h_01h()
9036: {
9037: if(REG16(DX) < 3) {
9038: REG8(AH) = 0xd0;
9039: }
9040: }
9041:
9042: inline void pcbios_int_17h_02h()
9043: {
9044: if(REG16(DX) < 3) {
9045: REG8(AH) = 0xd0;
9046: }
9047: }
9048:
9049: inline void pcbios_int_17h_03h()
9050: {
9051: switch(REG8(AL)) {
9052: case 0x00:
9053: if(REG16(DX) < 3) {
9054: if(pio[REG16(DX)].jis_mode) {
9055: printer_out(REG16(DX), 0x1c);
9056: printer_out(REG16(DX), 0x2e);
9057: pio[REG16(DX)].jis_mode = false;
9058: }
9059: for(UINT16 i = 0; i < REG16(CX); i++) {
9060: printer_out(REG16(DX), mem[SREG_BASE(ES) + REG16(BX) + i]);
9061: }
9062: REG16(CX) = 0x0000;
9063: REG8(AH) = 0xd0;
9064: }
9065: break;
9066: default:
9067: unimplemented_17h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x17, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
9068: break;
9069: }
9070: }
9071:
9072: inline void pcbios_int_17h_50h()
9073: {
9074: switch(REG8(AL)) {
9075: case 0x00:
9076: if(REG16(DX) < 3) {
9077: if(REG16(BX) = 0x0001) {
9078: pio[REG16(DX)].conv_mode = false;
9079: REG8(AL) = 0x00;
9080: } else if(REG16(BX) = 0x0051) {
9081: pio[REG16(DX)].conv_mode = true;
9082: REG8(AL) = 0x00;
9083: } else {
9084: REG8(AL) = 0x01;
9085: }
9086: } else {
9087: REG8(AL) = 0x02;
9088: }
9089: break;
9090: case 0x01:
9091: if(REG16(DX) < 3) {
9092: if(pio[REG16(DX)].conv_mode) {
9093: REG16(BX) = 0x0051;
9094: } else {
9095: REG16(BX) = 0x0001;
9096: }
9097: REG8(AL) = 0x00;
9098: } else {
9099: REG8(AL) = 0x02;
9100: }
9101: break;
9102: default:
9103: unimplemented_17h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x17, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
9104: break;
9105: }
9106: }
9107:
9108: inline void pcbios_int_17h_51h()
9109: {
9110: if(REG8(DH) >= 0x21 && REG8(DH) <= 0x7e && REG8(DL) >= 0x21 && REG8(DL) <= 0x7e) {
9111: REG16(DX) = pcbios_printer_jis2sjis(REG16(DX));
9112: } else {
9113: REG16(DX) = 0x0000;
9114: }
9115: }
9116:
9117: inline void pcbios_int_17h_52h()
9118: {
9119: if(((REG8(DH) >= 0x81 && REG8(DH) <= 0x9f) || (REG8(DH) >= 0xe0 && REG8(DH) <= 0xfc)) && (REG8(DL) >= 0x40 && REG8(DL) <= 0xfc && REG8(DL) != 0x7f)) {
9120: REG16(DX) = pcbios_printer_sjis2jis(REG16(DX));
9121: } else {
9122: REG16(DX) = 0x0000;
9123: }
9124: }
9125:
9126: inline void pcbios_int_17h_84h()
9127: {
9128: if(REG16(DX) < 3) {
9129: if(pio[REG16(DX)].jis_mode) {
9130: printer_out(REG16(DX), 0x1c);
9131: printer_out(REG16(DX), 0x2e);
9132: pio[REG16(DX)].jis_mode = false;
9133: }
9134: printer_out(REG16(DX), REG8(AL));
9135: REG8(AH) = 0xd0;
9136: }
9137: }
9138:
9139: inline void pcbios_int_17h_85h()
9140: {
9141: pio[0].conv_mode = (REG8(AL) == 0x00);
9142: }
9143:
1.1 root 9144: inline void pcbios_int_1ah_00h()
9145: {
1.1.1.19 root 9146: pcbios_update_daily_timer_counter(timeGetTime());
9147: REG16(CX) = *(UINT16 *)(mem + 0x46e);
9148: REG16(DX) = *(UINT16 *)(mem + 0x46c);
9149: REG8(AL) = mem[0x470];
9150: mem[0x470] = 0;
1.1 root 9151: }
9152:
9153: inline int to_bcd(int t)
9154: {
9155: int u = (t % 100) / 10;
9156: return (u << 4) | (t % 10);
9157: }
9158:
9159: inline void pcbios_int_1ah_02h()
9160: {
9161: SYSTEMTIME time;
9162:
9163: GetLocalTime(&time);
9164: REG8(CH) = to_bcd(time.wHour);
9165: REG8(CL) = to_bcd(time.wMinute);
9166: REG8(DH) = to_bcd(time.wSecond);
9167: REG8(DL) = 0x00;
9168: }
9169:
9170: inline void pcbios_int_1ah_04h()
9171: {
9172: SYSTEMTIME time;
9173:
9174: GetLocalTime(&time);
9175: REG8(CH) = to_bcd(time.wYear / 100);
9176: REG8(CL) = to_bcd(time.wYear);
9177: REG8(DH) = to_bcd(time.wMonth);
9178: REG8(DL) = to_bcd(time.wDay);
9179: }
9180:
9181: inline void pcbios_int_1ah_0ah()
9182: {
9183: SYSTEMTIME time;
9184: FILETIME file_time;
9185: WORD dos_date, dos_time;
9186:
9187: GetLocalTime(&time);
9188: SystemTimeToFileTime(&time, &file_time);
9189: FileTimeToDosDateTime(&file_time, &dos_date, &dos_time);
9190: REG16(CX) = dos_date;
9191: }
9192:
9193: // msdos system call
9194:
1.1.1.43 root 9195: inline void msdos_int_21h_56h(int lfn);
9196:
1.1 root 9197: inline void msdos_int_21h_00h()
9198: {
1.1.1.3 root 9199: msdos_process_terminate(SREG(CS), retval, 1);
1.1 root 9200: }
9201:
1.1.1.35 root 9202: DWORD WINAPI msdos_int_21h_01h_thread(LPVOID)
1.1 root 9203: {
9204: REG8(AL) = msdos_getche();
1.1.1.33 root 9205: ctrl_break_detected = ctrl_break_pressed;
1.1.1.26 root 9206:
1.1.1.35 root 9207: #ifdef USE_SERVICE_THREAD
9208: service_exit = true;
9209: #endif
9210: return(0);
9211: }
9212:
9213: inline void msdos_int_21h_01h()
9214: {
9215: #ifdef USE_SERVICE_THREAD
1.1.1.51 root 9216: if(!in_service && !in_service_29h &&
9217: *(UINT16 *)(mem + 4 * 0x29 + 0) == 0x29 &&
1.1.1.50 root 9218: *(UINT16 *)(mem + 4 * 0x29 + 2) == (IRET_TOP >> 4)) {
9219: // msdos_putch() will be used in this service
9220: // if int 29h is hooked, run this service in main thread to call int 29h
9221: start_service_loop(msdos_int_21h_01h_thread);
9222: } else {
9223: #endif
9224: msdos_int_21h_01h_thread(NULL);
9225: REQUEST_HARDWRE_UPDATE();
9226: #ifdef USE_SERVICE_THREAD
9227: }
1.1.1.35 root 9228: #endif
1.1 root 9229: }
9230:
9231: inline void msdos_int_21h_02h()
9232: {
1.1.1.33 root 9233: UINT8 data = REG8(DL);
9234: msdos_putch(data);
9235: REG8(AL) = data;
9236: ctrl_break_detected = ctrl_break_pressed;
1.1 root 9237: }
9238:
9239: inline void msdos_int_21h_03h()
9240: {
9241: REG8(AL) = msdos_aux_in();
9242: }
9243:
9244: inline void msdos_int_21h_04h()
9245: {
9246: msdos_aux_out(REG8(DL));
9247: }
9248:
9249: inline void msdos_int_21h_05h()
9250: {
9251: msdos_prn_out(REG8(DL));
9252: }
9253:
9254: inline void msdos_int_21h_06h()
9255: {
9256: if(REG8(DL) == 0xff) {
9257: if(msdos_kbhit()) {
9258: REG8(AL) = msdos_getch();
1.1.1.3 root 9259: #if defined(HAS_I386)
9260: m_ZF = 0;
9261: #else
9262: m_ZeroVal = 1;
9263: #endif
1.1 root 9264: } else {
9265: REG8(AL) = 0;
1.1.1.3 root 9266: #if defined(HAS_I386)
9267: m_ZF = 1;
9268: #else
9269: m_ZeroVal = 0;
9270: #endif
1.1.1.14 root 9271: maybe_idle();
1.1 root 9272: }
9273: } else {
1.1.1.33 root 9274: UINT8 data = REG8(DL);
9275: msdos_putch(data);
9276: REG8(AL) = data;
1.1 root 9277: }
9278: }
9279:
1.1.1.35 root 9280: DWORD WINAPI msdos_int_21h_07h_thread(LPVOID)
1.1 root 9281: {
9282: REG8(AL) = msdos_getch();
1.1.1.26 root 9283:
1.1.1.35 root 9284: #ifdef USE_SERVICE_THREAD
9285: service_exit = true;
9286: #endif
9287: return(0);
1.1 root 9288: }
9289:
1.1.1.35 root 9290: inline void msdos_int_21h_07h()
9291: {
9292: #ifdef USE_SERVICE_THREAD
1.1.1.51 root 9293: if(!in_service && !in_service_29h) {
9294: start_service_loop(msdos_int_21h_07h_thread);
9295: } else {
9296: #endif
9297: msdos_int_21h_07h_thread(NULL);
9298: REQUEST_HARDWRE_UPDATE();
9299: #ifdef USE_SERVICE_THREAD
9300: }
1.1.1.35 root 9301: #endif
9302: }
9303:
9304: DWORD WINAPI msdos_int_21h_08h_thread(LPVOID)
1.1 root 9305: {
9306: REG8(AL) = msdos_getch();
1.1.1.33 root 9307: ctrl_break_detected = ctrl_break_pressed;
1.1.1.26 root 9308:
1.1.1.35 root 9309: #ifdef USE_SERVICE_THREAD
9310: service_exit = true;
9311: #endif
9312: return(0);
9313: }
9314:
9315: inline void msdos_int_21h_08h()
9316: {
9317: #ifdef USE_SERVICE_THREAD
1.1.1.51 root 9318: if(!in_service && !in_service_29h) {
9319: start_service_loop(msdos_int_21h_08h_thread);
9320: } else {
9321: #endif
9322: msdos_int_21h_08h_thread(NULL);
9323: REQUEST_HARDWRE_UPDATE();
9324: #ifdef USE_SERVICE_THREAD
9325: }
1.1.1.35 root 9326: #endif
1.1 root 9327: }
9328:
9329: inline void msdos_int_21h_09h()
9330: {
1.1.1.21 root 9331: msdos_stdio_reopen();
9332:
1.1.1.20 root 9333: process_t *process = msdos_process_info_get(current_psp);
9334: int fd = msdos_psp_get_file_table(1, current_psp);
9335:
1.1.1.14 root 9336: char *str = (char *)(mem + SREG_BASE(DS) + REG16(DX));
9337: int len = 0;
1.1 root 9338:
1.1.1.14 root 9339: while(str[len] != '$' && len < 0x10000) {
9340: len++;
9341: }
1.1.1.20 root 9342: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 9343: // stdout is redirected to file
1.1.1.20 root 9344: msdos_write(fd, str, len);
1.1 root 9345: } else {
9346: for(int i = 0; i < len; i++) {
1.1.1.14 root 9347: msdos_putch(str[i]);
1.1 root 9348: }
9349: }
1.1.1.33 root 9350: REG8(AL) = '$';
9351: ctrl_break_detected = ctrl_break_pressed;
1.1 root 9352: }
9353:
1.1.1.35 root 9354: DWORD WINAPI msdos_int_21h_0ah_thread(LPVOID)
1.1 root 9355: {
1.1.1.3 root 9356: int ofs = SREG_BASE(DS) + REG16(DX);
1.1 root 9357: int max = mem[ofs] - 1;
9358: UINT8 *buf = mem + ofs + 2;
9359: int chr, p = 0;
9360:
9361: while((chr = msdos_getch()) != 0x0d) {
1.1.1.33 root 9362: if((ctrl_break_checking && ctrl_break_pressed) || ctrl_c_pressed) {
1.1.1.26 root 9363: p = 0;
1.1.1.33 root 9364: msdos_putch(0x03);
9365: msdos_putch(0x0d);
9366: msdos_putch(0x0a);
1.1.1.26 root 9367: break;
1.1.1.33 root 9368: } else if(ctrl_break_pressed) {
9369: // skip this byte
1.1.1.26 root 9370: } else if(chr == 0x00) {
1.1 root 9371: // skip 2nd byte
9372: msdos_getch();
9373: } else if(chr == 0x08) {
9374: // back space
9375: if(p > 0) {
9376: p--;
1.1.1.20 root 9377: if(msdos_ctrl_code_check(buf[p])) {
1.1.1.34 root 9378: msdos_putch(0x08);
9379: msdos_putch(0x08);
9380: msdos_putch(0x20);
9381: msdos_putch(0x20);
9382: msdos_putch(0x08);
9383: msdos_putch(0x08);
1.1.1.36 root 9384: } else if(p > 0 && msdos_kanji_2nd_byte_check(buf, p)) {
9385: p--;
9386: msdos_putch(0x08);
9387: msdos_putch(0x08);
9388: msdos_putch(0x20);
9389: msdos_putch(0x20);
9390: msdos_putch(0x08);
9391: msdos_putch(0x08);
1.1.1.34 root 9392: } else {
9393: msdos_putch(0x08);
9394: msdos_putch(0x20);
9395: msdos_putch(0x08);
9396: }
9397: }
9398: } else if(chr == 0x1b) {
9399: // escape
9400: while(p > 0) {
9401: p--;
9402: if(msdos_ctrl_code_check(buf[p])) {
9403: msdos_putch(0x08);
9404: msdos_putch(0x08);
9405: msdos_putch(0x20);
9406: msdos_putch(0x20);
9407: msdos_putch(0x08);
9408: msdos_putch(0x08);
1.1.1.20 root 9409: } else {
1.1.1.34 root 9410: msdos_putch(0x08);
9411: msdos_putch(0x20);
9412: msdos_putch(0x08);
1.1.1.20 root 9413: }
1.1 root 9414: }
9415: } else if(p < max) {
9416: buf[p++] = chr;
9417: msdos_putch(chr);
9418: }
9419: }
9420: buf[p] = 0x0d;
9421: mem[ofs + 1] = p;
1.1.1.33 root 9422: ctrl_break_detected = ctrl_break_pressed;
1.1.1.26 root 9423:
1.1.1.35 root 9424: #ifdef USE_SERVICE_THREAD
9425: service_exit = true;
9426: #endif
9427: return(0);
9428: }
9429:
9430: inline void msdos_int_21h_0ah()
9431: {
9432: if(mem[SREG_BASE(DS) + REG16(DX)] != 0x00) {
9433: #ifdef USE_SERVICE_THREAD
1.1.1.51 root 9434: if(!in_service && !in_service_29h &&
9435: *(UINT16 *)(mem + 4 * 0x29 + 0) == 0x29 &&
1.1.1.50 root 9436: *(UINT16 *)(mem + 4 * 0x29 + 2) == (IRET_TOP >> 4)) {
9437: // msdos_putch() will be used in this service
9438: // if int 29h is hooked, run this service in main thread to call int 29h
9439: start_service_loop(msdos_int_21h_0ah_thread);
9440: } else {
9441: #endif
9442: msdos_int_21h_0ah_thread(NULL);
9443: REQUEST_HARDWRE_UPDATE();
9444: #ifdef USE_SERVICE_THREAD
9445: }
1.1.1.35 root 9446: #endif
9447: }
1.1 root 9448: }
9449:
9450: inline void msdos_int_21h_0bh()
9451: {
9452: if(msdos_kbhit()) {
9453: REG8(AL) = 0xff;
9454: } else {
9455: REG8(AL) = 0x00;
1.1.1.14 root 9456: maybe_idle();
1.1 root 9457: }
1.1.1.33 root 9458: ctrl_break_detected = ctrl_break_pressed;
1.1 root 9459: }
9460:
9461: inline void msdos_int_21h_0ch()
9462: {
9463: // clear key buffer
1.1.1.21 root 9464: msdos_stdio_reopen();
9465:
1.1.1.20 root 9466: process_t *process = msdos_process_info_get(current_psp);
9467: int fd = msdos_psp_get_file_table(0, current_psp);
9468:
9469: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 9470: // stdin is redirected to file
9471: } else {
9472: while(msdos_kbhit()) {
9473: msdos_getch();
9474: }
9475: }
9476:
9477: switch(REG8(AL)) {
9478: case 0x01:
9479: msdos_int_21h_01h();
9480: break;
9481: case 0x06:
9482: msdos_int_21h_06h();
9483: break;
9484: case 0x07:
9485: msdos_int_21h_07h();
9486: break;
9487: case 0x08:
9488: msdos_int_21h_08h();
9489: break;
9490: case 0x0a:
9491: msdos_int_21h_0ah();
9492: break;
9493: default:
1.1.1.48 root 9494: // the buffer is flushed but no input is attempted
1.1 root 9495: break;
9496: }
9497: }
9498:
9499: inline void msdos_int_21h_0dh()
9500: {
9501: }
9502:
9503: inline void msdos_int_21h_0eh()
9504: {
9505: if(REG8(DL) < 26) {
9506: _chdrive(REG8(DL) + 1);
9507: msdos_cds_update(REG8(DL));
1.1.1.23 root 9508: msdos_sda_update(current_psp);
1.1 root 9509: }
9510: REG8(AL) = 26; // zdrive
9511: }
9512:
1.1.1.14 root 9513: inline void msdos_int_21h_0fh()
9514: {
9515: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9516: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
1.1.1.45 root 9517: const char *path = msdos_fcb_path(fcb);
1.1.1.14 root 9518: HANDLE hFile = CreateFile(path, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1.1.1.16 root 9519:
1.1.1.14 root 9520: if(hFile == INVALID_HANDLE_VALUE) {
9521: REG8(AL) = 0xff;
9522: } else {
9523: REG8(AL) = 0;
9524: fcb->current_block = 0;
9525: fcb->record_size = 128;
9526: fcb->file_size = GetFileSize(hFile, NULL);
9527: fcb->handle = hFile;
9528: fcb->cur_record = 0;
9529: }
9530: }
9531:
9532: inline void msdos_int_21h_10h()
9533: {
9534: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9535: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9536:
9537: REG8(AL) = CloseHandle(fcb->handle) ? 0 : 0xff;
9538: }
9539:
1.1 root 9540: inline void msdos_int_21h_11h()
9541: {
1.1.1.3 root 9542: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9543: fcb_t *fcb = (fcb_t *)(mem + SREG_BASE(DS) + REG16(DX) + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 9544:
9545: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 9546: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9547: ext_fcb_t *ext_find = (ext_fcb_t *)(mem + dta_laddr);
9548: find_fcb_t *find = (find_fcb_t *)(mem + dta_laddr + (ext_fcb->flag == 0xff ? 7 : 0));
1.1.1.45 root 9549: const char *path = msdos_fcb_path(fcb);
1.1 root 9550: WIN32_FIND_DATA fd;
9551:
1.1.1.13 root 9552: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, dta_laddr);
9553: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
9554: FindClose(dtainfo->find_handle);
9555: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 9556: }
9557: strcpy(process->volume_label, msdos_volume_label(path));
1.1.1.14 root 9558: dtainfo->allowable_mask = (ext_fcb->flag == 0xff) ? ext_fcb->attribute : 0x20;
9559: bool label_only = (dtainfo->allowable_mask == 8);
1.1 root 9560:
1.1.1.14 root 9561: if((dtainfo->allowable_mask & 8) && !msdos_match_volume_label(path, msdos_short_volume_label(process->volume_label))) {
9562: dtainfo->allowable_mask &= ~8;
1.1 root 9563: }
1.1.1.14 root 9564: if(!label_only && (dtainfo->find_handle = FindFirstFile(path, &fd)) != INVALID_HANDLE_VALUE) {
9565: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 9566: !msdos_find_file_has_8dot3name(&fd)) {
9567: if(!FindNextFile(dtainfo->find_handle, &fd)) {
9568: FindClose(dtainfo->find_handle);
9569: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 9570: break;
9571: }
9572: }
9573: }
1.1.1.13 root 9574: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 9575: if(ext_fcb->flag == 0xff) {
9576: ext_find->flag = 0xff;
9577: memset(ext_find->reserved, 0, 5);
9578: ext_find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
9579: }
9580: find->drive = _getdrive();
1.1.1.13 root 9581: msdos_set_fcb_path((fcb_t *)find, msdos_short_name(&fd));
1.1 root 9582: find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
9583: find->nt_res = 0;
9584: msdos_find_file_conv_local_time(&fd);
9585: find->create_time_ms = 0;
9586: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
9587: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
9588: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
9589: find->cluster_hi = find->cluster_lo = 0;
9590: find->file_size = fd.nFileSizeLow;
9591: REG8(AL) = 0x00;
1.1.1.14 root 9592: } else if(dtainfo->allowable_mask & 8) {
1.1 root 9593: if(ext_fcb->flag == 0xff) {
9594: ext_find->flag = 0xff;
9595: memset(ext_find->reserved, 0, 5);
9596: ext_find->attribute = 8;
9597: }
9598: find->drive = _getdrive();
9599: msdos_set_fcb_path((fcb_t *)find, msdos_short_volume_label(process->volume_label));
9600: find->attribute = 8;
9601: find->nt_res = 0;
9602: msdos_find_file_conv_local_time(&fd);
9603: find->create_time_ms = 0;
9604: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
9605: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
9606: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
9607: find->cluster_hi = find->cluster_lo = 0;
9608: find->file_size = 0;
1.1.1.14 root 9609: dtainfo->allowable_mask &= ~8;
1.1 root 9610: REG8(AL) = 0x00;
9611: } else {
9612: REG8(AL) = 0xff;
9613: }
9614: }
9615:
9616: inline void msdos_int_21h_12h()
9617: {
1.1.1.3 root 9618: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
1.1.1.14 root 9619: // fcb_t *fcb = (fcb_t *)(mem + SREG_BASE(DS) + REG16(DX) + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 9620:
9621: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 9622: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9623: ext_fcb_t *ext_find = (ext_fcb_t *)(mem + dta_laddr);
9624: find_fcb_t *find = (find_fcb_t *)(mem + dta_laddr + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 9625: WIN32_FIND_DATA fd;
9626:
1.1.1.13 root 9627: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, dta_laddr);
9628: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
9629: if(FindNextFile(dtainfo->find_handle, &fd)) {
1.1.1.14 root 9630: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 9631: !msdos_find_file_has_8dot3name(&fd)) {
9632: if(!FindNextFile(dtainfo->find_handle, &fd)) {
9633: FindClose(dtainfo->find_handle);
9634: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 9635: break;
9636: }
9637: }
9638: } else {
1.1.1.13 root 9639: FindClose(dtainfo->find_handle);
9640: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 9641: }
9642: }
1.1.1.13 root 9643: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 9644: if(ext_fcb->flag == 0xff) {
9645: ext_find->flag = 0xff;
9646: memset(ext_find->reserved, 0, 5);
9647: ext_find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
9648: }
9649: find->drive = _getdrive();
1.1.1.13 root 9650: msdos_set_fcb_path((fcb_t *)find, msdos_short_name(&fd));
1.1 root 9651: find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
9652: find->nt_res = 0;
9653: msdos_find_file_conv_local_time(&fd);
9654: find->create_time_ms = 0;
9655: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
9656: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
9657: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
9658: find->cluster_hi = find->cluster_lo = 0;
9659: find->file_size = fd.nFileSizeLow;
9660: REG8(AL) = 0x00;
1.1.1.14 root 9661: } else if(dtainfo->allowable_mask & 8) {
1.1 root 9662: if(ext_fcb->flag == 0xff) {
9663: ext_find->flag = 0xff;
9664: memset(ext_find->reserved, 0, 5);
9665: ext_find->attribute = 8;
9666: }
9667: find->drive = _getdrive();
9668: msdos_set_fcb_path((fcb_t *)find, msdos_short_volume_label(process->volume_label));
9669: find->attribute = 8;
9670: find->nt_res = 0;
9671: msdos_find_file_conv_local_time(&fd);
9672: find->create_time_ms = 0;
9673: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
9674: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
9675: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
9676: find->cluster_hi = find->cluster_lo = 0;
9677: find->file_size = 0;
1.1.1.14 root 9678: dtainfo->allowable_mask &= ~8;
1.1 root 9679: REG8(AL) = 0x00;
9680: } else {
9681: REG8(AL) = 0xff;
9682: }
9683: }
9684:
9685: inline void msdos_int_21h_13h()
9686: {
1.1.1.3 root 9687: if(remove(msdos_fcb_path((fcb_t *)(mem + SREG_BASE(DS) + REG16(DX))))) {
1.1 root 9688: REG8(AL) = 0xff;
9689: } else {
9690: REG8(AL) = 0x00;
9691: }
9692: }
9693:
1.1.1.16 root 9694: inline void msdos_int_21h_14h()
9695: {
9696: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9697: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9698: process_t *process = msdos_process_info_get(current_psp);
9699: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9700: DWORD num = 0;
9701:
9702: memset(mem + dta_laddr, 0, fcb->record_size);
9703: if(!ReadFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL) || num == 0) {
9704: REG8(AL) = 1;
9705: } else {
9706: UINT32 position = fcb->current_block * fcb->record_size + fcb->cur_record + num;
9707: fcb->current_block = (position & 0xffffff) / fcb->record_size;
9708: fcb->cur_record = (position & 0xffffff) % fcb->record_size;
9709: REG8(AL) = (num == fcb->record_size) ? 0 : 3;
9710: }
9711: }
9712:
9713: inline void msdos_int_21h_15h()
1.1.1.14 root 9714: {
9715: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9716: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
1.1.1.16 root 9717: process_t *process = msdos_process_info_get(current_psp);
9718: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9719: DWORD num = 0;
1.1.1.14 root 9720:
1.1.1.16 root 9721: if(!WriteFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL) || num == 0) {
9722: REG8(AL) = 1;
9723: } else {
9724: fcb->file_size = GetFileSize(fcb->handle, NULL);
9725: UINT32 position = fcb->current_block * fcb->record_size + fcb->cur_record + num;
9726: fcb->current_block = (position & 0xffffff) / fcb->record_size;
9727: fcb->cur_record = (position & 0xffffff) % fcb->record_size;
9728: REG8(AL) = (num == fcb->record_size) ? 0 : 1;
9729: }
9730: }
9731:
9732: inline void msdos_int_21h_16h()
9733: {
9734: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9735: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
1.1.1.45 root 9736: const char *path = msdos_fcb_path(fcb);
1.1.1.14 root 9737: HANDLE hFile = CreateFile(path, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, ext_fcb->flag == 0xff ? ext_fcb->attribute : FILE_ATTRIBUTE_NORMAL, NULL);
1.1.1.16 root 9738:
1.1.1.14 root 9739: if(hFile == INVALID_HANDLE_VALUE) {
9740: REG8(AL) = 0xff;
9741: } else {
9742: REG8(AL) = 0;
9743: fcb->current_block = 0;
9744: fcb->record_size = 128;
9745: fcb->file_size = 0;
9746: fcb->handle = hFile;
9747: fcb->cur_record = 0;
9748: }
9749: }
9750:
1.1.1.16 root 9751: inline void msdos_int_21h_17h()
9752: {
9753: ext_fcb_t *ext_fcb_src = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9754: fcb_t *fcb_src = (fcb_t *)(ext_fcb_src + (ext_fcb_src->flag == 0xff ? 1 : 0));
1.1.1.45 root 9755: // const char *path_src = msdos_fcb_path(fcb_src);
9756: char path_src[MAX_PATH];
9757: strcpy(path_src, msdos_fcb_path(fcb_src));
9758:
1.1.1.16 root 9759: ext_fcb_t *ext_fcb_dst = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX) + 16);
9760: fcb_t *fcb_dst = (fcb_t *)(ext_fcb_dst + (ext_fcb_dst->flag == 0xff ? 1 : 0));
1.1.1.45 root 9761: // const char *path_dst = msdos_fcb_path(fcb_dst);
9762: char path_dst[MAX_PATH];
9763: strcpy(path_dst, msdos_fcb_path(fcb_dst));
1.1.1.16 root 9764:
9765: if(rename(path_src, path_dst)) {
9766: REG8(AL) = 0xff;
9767: } else {
9768: REG8(AL) = 0;
9769: }
9770: }
9771:
1.1 root 9772: inline void msdos_int_21h_18h()
9773: {
9774: REG8(AL) = 0x00;
9775: }
9776:
9777: inline void msdos_int_21h_19h()
9778: {
9779: REG8(AL) = _getdrive() - 1;
9780: }
9781:
9782: inline void msdos_int_21h_1ah()
9783: {
9784: process_t *process = msdos_process_info_get(current_psp);
9785:
9786: process->dta.w.l = REG16(DX);
1.1.1.3 root 9787: process->dta.w.h = SREG(DS);
1.1.1.23 root 9788: msdos_sda_update(current_psp);
1.1 root 9789: }
9790:
9791: inline void msdos_int_21h_1bh()
9792: {
9793: int drive_num = _getdrive() - 1;
9794: UINT16 seg, ofs;
9795:
9796: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
9797: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
9798: REG8(AL) = dpb->highest_sector_num + 1;
9799: REG16(CX) = dpb->bytes_per_sector;
9800: REG16(DX) = dpb->highest_cluster_num - 1;
1.1.1.3 root 9801: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(BX)) = dpb->media_type;
1.1 root 9802: } else {
9803: REG8(AL) = 0xff;
1.1.1.3 root 9804: m_CF = 1;
1.1 root 9805: }
9806:
9807: }
9808:
9809: inline void msdos_int_21h_1ch()
9810: {
1.1.1.41 root 9811: int drive_num = (REG8(DL) == 0) ? (_getdrive() - 1) : (REG8(DL) - 1);
1.1 root 9812: UINT16 seg, ofs;
9813:
9814: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
9815: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
9816: REG8(AL) = dpb->highest_sector_num + 1;
9817: REG16(CX) = dpb->bytes_per_sector;
9818: REG16(DX) = dpb->highest_cluster_num - 1;
1.1.1.3 root 9819: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(BX)) = dpb->media_type;
1.1 root 9820: } else {
9821: REG8(AL) = 0xff;
1.1.1.3 root 9822: m_CF = 1;
1.1 root 9823: }
9824:
9825: }
9826:
9827: inline void msdos_int_21h_1dh()
9828: {
9829: REG8(AL) = 0;
9830: }
9831:
9832: inline void msdos_int_21h_1eh()
9833: {
9834: REG8(AL) = 0;
9835: }
9836:
9837: inline void msdos_int_21h_1fh()
9838: {
9839: int drive_num = _getdrive() - 1;
9840: UINT16 seg, ofs;
9841:
9842: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
9843: REG8(AL) = 0;
1.1.1.3 root 9844: SREG(DS) = seg;
9845: i386_load_segment_descriptor(DS);
1.1 root 9846: REG16(BX) = ofs;
9847: } else {
9848: REG8(AL) = 0xff;
1.1.1.3 root 9849: m_CF = 1;
1.1 root 9850: }
9851: }
9852:
9853: inline void msdos_int_21h_20h()
9854: {
9855: REG8(AL) = 0;
9856: }
9857:
1.1.1.14 root 9858: inline void msdos_int_21h_21h()
9859: {
9860: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9861: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9862:
9863: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
9864: REG8(AL) = 1;
9865: } else {
9866: process_t *process = msdos_process_info_get(current_psp);
9867: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9868: memset(mem + dta_laddr, 0, fcb->record_size);
1.1.1.16 root 9869: DWORD num = 0;
1.1.1.14 root 9870: if(!ReadFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL) || num == 0) {
9871: REG8(AL) = 1;
9872: } else {
9873: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
9874: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
1.1.1.16 root 9875: REG8(AL) = (num == fcb->record_size) ? 0 : 3;
1.1.1.14 root 9876: }
9877: }
9878: }
9879:
9880: inline void msdos_int_21h_22h()
9881: {
9882: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9883: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9884:
9885: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
9886: REG8(AL) = 0xff;
9887: } else {
9888: process_t *process = msdos_process_info_get(current_psp);
9889: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
1.1.1.16 root 9890: DWORD num = 0;
1.1.1.14 root 9891: WriteFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL);
9892: fcb->file_size = GetFileSize(fcb->handle, NULL);
9893: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
9894: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
1.1.1.16 root 9895: REG8(AL) = (num == fcb->record_size) ? 0 : 1;
1.1.1.14 root 9896: }
9897: }
9898:
1.1.1.16 root 9899: inline void msdos_int_21h_23h()
9900: {
9901: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9902: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
1.1.1.45 root 9903: const char *path = msdos_fcb_path(fcb);
1.1.1.16 root 9904: HANDLE hFile = CreateFile(path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
9905:
9906: if(hFile == INVALID_HANDLE_VALUE) {
9907: REG8(AL) = 0xff;
9908: } else {
9909: UINT32 size = GetFileSize(hFile, NULL);
9910: fcb->rand_record = size / fcb->record_size + ((size % fcb->record_size) != 0);
9911: REG8(AL) = 0;
9912: }
9913: }
9914:
9915: inline void msdos_int_21h_24h()
9916: {
9917: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9918: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9919:
9920: fcb->rand_record = fcb->current_block * fcb->record_size + fcb->cur_record;
9921: }
9922:
1.1 root 9923: inline void msdos_int_21h_25h()
9924: {
9925: *(UINT16 *)(mem + 4 * REG8(AL) + 0) = REG16(DX);
1.1.1.3 root 9926: *(UINT16 *)(mem + 4 * REG8(AL) + 2) = SREG(DS);
1.1 root 9927: }
9928:
9929: inline void msdos_int_21h_26h()
9930: {
9931: psp_t *psp = (psp_t *)(mem + (REG16(DX) << 4));
9932:
9933: memcpy(mem + (REG16(DX) << 4), mem + (current_psp << 4), sizeof(psp_t));
1.1.1.48 root 9934: psp->first_mcb = REG16(DX) + (PSP_SIZE >> 4);
1.1 root 9935: psp->int_22h.dw = *(UINT32 *)(mem + 4 * 0x22);
9936: psp->int_23h.dw = *(UINT32 *)(mem + 4 * 0x23);
9937: psp->int_24h.dw = *(UINT32 *)(mem + 4 * 0x24);
9938: psp->parent_psp = 0;
9939: }
9940:
1.1.1.16 root 9941: inline void msdos_int_21h_27h()
9942: {
9943: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9944: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9945:
9946: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
9947: REG8(AL) = 1;
9948: } else {
9949: process_t *process = msdos_process_info_get(current_psp);
9950: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9951: memset(mem + dta_laddr, 0, fcb->record_size * REG16(CX));
9952: DWORD num = 0;
9953: if(!ReadFile(fcb->handle, mem + dta_laddr, fcb->record_size * REG16(CX), &num, NULL) || num == 0) {
9954: REG8(AL) = 1;
9955: } else {
9956: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
9957: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
9958: REG8(AL) = (num == fcb->record_size) ? 0 : 3;
9959: REG16(CX) = num / fcb->record_size + ((num % fcb->record_size) != 0);
9960: }
9961: }
9962: }
9963:
9964: inline void msdos_int_21h_28h()
9965: {
9966: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9967: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9968:
9969: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
9970: REG8(AL) = 0xff;
9971: } else {
9972: process_t *process = msdos_process_info_get(current_psp);
9973: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9974: DWORD num = 0;
9975: WriteFile(fcb->handle, mem + dta_laddr, fcb->record_size * REG16(CX), &num, NULL);
9976: fcb->file_size = GetFileSize(fcb->handle, NULL);
9977: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
9978: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
9979: REG8(AL) = (num == fcb->record_size) ? 0 : 1;
9980: REG16(CX) = num / fcb->record_size + ((num % fcb->record_size) != 0);
9981: }
9982: }
9983:
1.1 root 9984: inline void msdos_int_21h_29h()
9985: {
1.1.1.20 root 9986: int ofs = 0;//SREG_BASE(DS) + REG16(SI);
9987: char buffer[1024], name[MAX_PATH], ext[MAX_PATH];
1.1 root 9988: UINT8 drv = 0;
9989: char sep_chars[] = ":.;,=+";
9990: char end_chars[] = "\\<>|/\"[]";
9991: char spc_chars[] = " \t";
9992:
1.1.1.20 root 9993: memcpy(buffer, mem + SREG_BASE(DS) + REG16(SI), 1023);
9994: buffer[1023] = 0;
9995: memset(name, 0x20, sizeof(name));
9996: memset(ext, 0x20, sizeof(ext));
9997:
1.1 root 9998: if(REG8(AL) & 1) {
1.1.1.20 root 9999: ofs += strspn((char *)(buffer + ofs), spc_chars);
10000: if(my_strchr(sep_chars, buffer[ofs]) && buffer[ofs] != '\0') {
1.1 root 10001: ofs++;
10002: }
10003: }
1.1.1.20 root 10004: ofs += strspn((char *)(buffer + ofs), spc_chars);
1.1 root 10005:
1.1.1.24 root 10006: if(buffer[ofs + 1] == ':') {
10007: if(buffer[ofs] >= 'a' && buffer[ofs] <= 'z') {
10008: drv = buffer[ofs] - 'a' + 1;
1.1.1.20 root 10009: ofs += 2;
1.1.1.24 root 10010: if(buffer[ofs] == '\\' || buffer[ofs] == '/') {
10011: ofs++;
10012: }
10013: } else if(buffer[ofs] >= 'A' && buffer[ofs] <= 'Z') {
10014: drv = buffer[ofs] - 'A' + 1;
1.1 root 10015: ofs += 2;
1.1.1.24 root 10016: if(buffer[ofs] == '\\' || buffer[ofs] == '/') {
10017: ofs++;
10018: }
1.1 root 10019: }
10020: }
1.1.1.20 root 10021: for(int i = 0, is_kanji = 0; i < MAX_PATH; i++) {
10022: UINT8 c = buffer[ofs];
10023: if(is_kanji) {
10024: is_kanji = 0;
10025: } else if(msdos_lead_byte_check(c)) {
10026: is_kanji = 1;
10027: } else if(c <= 0x20 || my_strchr(end_chars, c) || my_strchr(sep_chars, c)) {
1.1 root 10028: break;
10029: } else if(c >= 'a' && c <= 'z') {
10030: c -= 0x20;
10031: }
10032: ofs++;
10033: name[i] = c;
10034: }
1.1.1.20 root 10035: if(buffer[ofs] == '.') {
1.1 root 10036: ofs++;
1.1.1.20 root 10037: for(int i = 0, is_kanji = 0; i < MAX_PATH; i++) {
10038: UINT8 c = buffer[ofs];
10039: if(is_kanji) {
10040: is_kanji = 0;
10041: } else if(msdos_lead_byte_check(c)) {
10042: is_kanji = 1;
10043: } else if(c <= 0x20 || my_strchr(end_chars, c) || my_strchr(sep_chars, c)) {
1.1 root 10044: break;
10045: } else if(c >= 'a' && c <= 'z') {
10046: c -= 0x20;
10047: }
10048: ofs++;
10049: ext[i] = c;
10050: }
10051: }
1.1.1.20 root 10052: int si = REG16(SI) + ofs;
1.1.1.3 root 10053: int ds = SREG(DS);
1.1 root 10054: while(si > 0xffff) {
10055: si -= 0x10;
10056: ds++;
10057: }
10058: REG16(SI) = si;
1.1.1.3 root 10059: SREG(DS) = ds;
10060: i386_load_segment_descriptor(DS);
1.1 root 10061:
1.1.1.3 root 10062: UINT8 *fcb = mem + SREG_BASE(ES) + REG16(DI);
1.1.1.20 root 10063: if(!(REG8(AL) & 2) || drv != 0) {
10064: fcb[0] = drv;
10065: }
10066: if(!(REG8(AL) & 4) || name[0] != 0x20) {
10067: memcpy(fcb + 1, name, 8);
10068: }
10069: if(!(REG8(AL) & 8) || ext[0] != 0x20) {
10070: memcpy(fcb + 9, ext, 3);
10071: }
10072: for(int i = 1, found_star = 0; i < 1 + 8; i++) {
1.1 root 10073: if(fcb[i] == '*') {
10074: found_star = 1;
10075: }
10076: if(found_star) {
10077: fcb[i] = '?';
10078: }
10079: }
1.1.1.20 root 10080: for(int i = 9, found_star = 0; i < 9 + 3; i++) {
1.1 root 10081: if(fcb[i] == '*') {
10082: found_star = 1;
10083: }
10084: if(found_star) {
10085: fcb[i] = '?';
10086: }
10087: }
10088:
1.1.1.44 root 10089: if(drv == 0 || msdos_is_valid_drive(drv - 1)) {
1.1 root 10090: if(memchr(fcb + 1, '?', 8 + 3)) {
10091: REG8(AL) = 0x01;
1.1.1.20 root 10092: } else {
10093: REG8(AL) = 0x00;
1.1 root 10094: }
10095: } else {
10096: REG8(AL) = 0xff;
10097: }
10098: }
10099:
10100: inline void msdos_int_21h_2ah()
10101: {
10102: SYSTEMTIME sTime;
10103:
10104: GetLocalTime(&sTime);
10105: REG16(CX) = sTime.wYear;
10106: REG8(DH) = (UINT8)sTime.wMonth;
10107: REG8(DL) = (UINT8)sTime.wDay;
10108: REG8(AL) = (UINT8)sTime.wDayOfWeek;
10109: }
10110:
10111: inline void msdos_int_21h_2bh()
10112: {
1.1.1.14 root 10113: REG8(AL) = 0xff;
1.1 root 10114: }
10115:
10116: inline void msdos_int_21h_2ch()
10117: {
10118: SYSTEMTIME sTime;
10119:
10120: GetLocalTime(&sTime);
10121: REG8(CH) = (UINT8)sTime.wHour;
10122: REG8(CL) = (UINT8)sTime.wMinute;
10123: REG8(DH) = (UINT8)sTime.wSecond;
1.1.1.14 root 10124: REG8(DL) = (UINT8)sTime.wMilliseconds / 10;
1.1 root 10125: }
10126:
10127: inline void msdos_int_21h_2dh()
10128: {
10129: REG8(AL) = 0x00;
10130: }
10131:
10132: inline void msdos_int_21h_2eh()
10133: {
10134: process_t *process = msdos_process_info_get(current_psp);
10135:
10136: process->verify = REG8(AL);
10137: }
10138:
10139: inline void msdos_int_21h_2fh()
10140: {
10141: process_t *process = msdos_process_info_get(current_psp);
10142:
10143: REG16(BX) = process->dta.w.l;
1.1.1.3 root 10144: SREG(ES) = process->dta.w.h;
10145: i386_load_segment_descriptor(ES);
1.1 root 10146: }
10147:
10148: inline void msdos_int_21h_30h()
10149: {
10150: // Version Flag / OEM
1.1.1.27 root 10151: if(REG8(AL) == 0x01) {
1.1.1.29 root 10152: #ifdef SUPPORT_HMA
10153: REG16(BX) = 0x0000;
10154: #else
10155: REG16(BX) = 0x1000; // DOS is in HMA
10156: #endif
1.1 root 10157: } else {
1.1.1.27 root 10158: // NOTE: EXDEB invites BL shows the machine type (0=PC-98, 1=PC/AT, 2=FMR),
10159: // but this is not correct on Windows 98 SE
10160: // REG16(BX) = 0xff01; // OEM = Microsoft, PC/AT
10161: REG16(BX) = 0xff00; // OEM = Microsoft
1.1 root 10162: }
1.1.1.27 root 10163: REG16(CX) = 0x0000;
1.1.1.30 root 10164: REG8(AL) = dos_major_version; // 7
10165: REG8(AH) = dos_minor_version; // 10
1.1 root 10166: }
10167:
10168: inline void msdos_int_21h_31h()
10169: {
1.1.1.29 root 10170: try {
10171: msdos_mem_realloc(current_psp, REG16(DX), NULL);
10172: } catch(...) {
10173: // recover the broken mcb
10174: int mcb_seg = current_psp - 1;
10175: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1.1.33 root 10176:
1.1.1.29 root 10177: if(mcb_seg < (MEMORY_END >> 4)) {
1.1.1.33 root 10178: mcb->mz = 'M';
10179: mcb->paragraphs = (MEMORY_END >> 4) - mcb_seg - 2;
10180:
1.1.1.29 root 10181: if(((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked & 0x01) {
1.1.1.39 root 10182: msdos_mcb_create((MEMORY_END >> 4) - 1, 'M', PSP_SYSTEM, (UMB_TOP >> 4) - (MEMORY_END >> 4), "SC");
1.1.1.29 root 10183: } else {
1.1.1.39 root 10184: msdos_mcb_create((MEMORY_END >> 4) - 1, 'Z', PSP_SYSTEM, 0, "SC");
1.1.1.29 root 10185: }
10186: } else {
10187: mcb->mz = 'Z';
1.1.1.30 root 10188: mcb->paragraphs = (UMB_END >> 4) - mcb_seg - 1;
1.1.1.29 root 10189: }
10190: msdos_mem_realloc(current_psp, REG16(DX), NULL);
10191: }
1.1 root 10192: msdos_process_terminate(current_psp, REG8(AL) | 0x300, 0);
10193: }
10194:
10195: inline void msdos_int_21h_32h()
10196: {
10197: int drive_num = (REG8(DL) == 0) ? (_getdrive() - 1) : (REG8(DL) - 1);
10198: UINT16 seg, ofs;
10199:
10200: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
10201: REG8(AL) = 0;
1.1.1.3 root 10202: SREG(DS) = seg;
10203: i386_load_segment_descriptor(DS);
1.1 root 10204: REG16(BX) = ofs;
10205: } else {
10206: REG8(AL) = 0xff;
1.1.1.3 root 10207: m_CF = 1;
1.1 root 10208: }
10209: }
10210:
10211: inline void msdos_int_21h_33h()
10212: {
10213: char path[MAX_PATH];
1.1.1.48 root 10214: char drive = 3; // C:
1.1 root 10215:
10216: switch(REG8(AL)) {
10217: case 0x00:
1.1.1.33 root 10218: REG8(DL) = ctrl_break_checking;
1.1 root 10219: break;
10220: case 0x01:
1.1.1.33 root 10221: ctrl_break_checking = REG8(DL);
10222: break;
10223: case 0x02:
10224: {
10225: UINT8 old = ctrl_break_checking;
10226: ctrl_break_checking = REG8(DL);
10227: REG8(DL) = old;
10228: }
10229: break;
10230: case 0x03:
10231: case 0x04:
10232: // DOS 4.0+ - Unused
1.1 root 10233: break;
10234: case 0x05:
1.1.1.48 root 10235: if(GetSystemDirectory(path, MAX_PATH) != 0) {
10236: if(path[0] >= 'a' && path[0] <= 'z') {
10237: drive = path[0] - 'a' + 1;
10238: } else if(path[0] >= 'A' && path[0] <= 'Z') {
10239: drive = path[0] - 'A' + 1;
10240: }
1.1 root 10241: }
1.1.1.48 root 10242: REG8(DL) = (UINT8)drive;
1.1 root 10243: break;
10244: case 0x06:
1.1.1.2 root 10245: // MS-DOS version (7.10)
1.1 root 10246: REG8(BL) = 7;
1.1.1.2 root 10247: REG8(BH) = 10;
1.1 root 10248: REG8(DL) = 0;
1.1.1.29 root 10249: #ifdef SUPPORT_HMA
10250: REG8(DH) = 0x00;
10251: #else
10252: REG8(DH) = 0x10; // DOS is in HMA
10253: #endif
1.1 root 10254: break;
1.1.1.6 root 10255: case 0x07:
10256: if(REG8(DL) == 0) {
10257: ((dos_info_t *)(mem + DOS_INFO_TOP))->dos_flag &= ~0x20;
10258: } else if(REG8(DL) == 1) {
10259: ((dos_info_t *)(mem + DOS_INFO_TOP))->dos_flag |= 0x20;
10260: }
10261: break;
1.1 root 10262: default:
1.1.1.22 root 10263: unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.48 root 10264: // REG16(AX) = 0x01;
10265: // m_CF = 1;
10266: REG8(AL) = 0xff;
1.1 root 10267: break;
10268: }
10269: }
10270:
1.1.1.23 root 10271: inline void msdos_int_21h_34h()
10272: {
10273: SREG(ES) = SDA_TOP >> 4;
10274: i386_load_segment_descriptor(ES);
10275: REG16(BX) = offsetof(sda_t, indos_flag);;
10276: }
10277:
1.1 root 10278: inline void msdos_int_21h_35h()
10279: {
10280: REG16(BX) = *(UINT16 *)(mem + 4 * REG8(AL) + 0);
1.1.1.3 root 10281: SREG(ES) = *(UINT16 *)(mem + 4 * REG8(AL) + 2);
10282: i386_load_segment_descriptor(ES);
1.1 root 10283: }
10284:
10285: inline void msdos_int_21h_36h()
10286: {
10287: struct _diskfree_t df = {0};
10288:
10289: if(_getdiskfree(REG8(DL), &df) == 0) {
10290: REG16(AX) = (UINT16)df.sectors_per_cluster;
10291: REG16(CX) = (UINT16)df.bytes_per_sector;
1.1.1.13 root 10292: REG16(BX) = df.avail_clusters > 0xFFFF ? 0xFFFF : (UINT16)df.avail_clusters;
10293: REG16(DX) = df.total_clusters > 0xFFFF ? 0xFFFF : (UINT16)df.total_clusters;
1.1 root 10294: } else {
10295: REG16(AX) = 0xffff;
10296: }
10297: }
10298:
10299: inline void msdos_int_21h_37h()
10300: {
1.1.1.22 root 10301: static UINT8 dev_flag = 0xff;
1.1 root 10302:
10303: switch(REG8(AL)) {
10304: case 0x00:
1.1.1.22 root 10305: {
10306: process_t *process = msdos_process_info_get(current_psp);
10307: REG8(AL) = 0x00;
10308: REG8(DL) = process->switchar;
10309: }
1.1 root 10310: break;
10311: case 0x01:
1.1.1.22 root 10312: {
10313: process_t *process = msdos_process_info_get(current_psp);
10314: REG8(AL) = 0x00;
10315: process->switchar = REG8(DL);
1.1.1.23 root 10316: msdos_sda_update(current_psp);
1.1.1.22 root 10317: }
10318: break;
10319: case 0x02:
10320: REG8(DL) = dev_flag;
10321: break;
10322: case 0x03:
10323: dev_flag = REG8(DL);
10324: break;
10325: case 0xd0:
10326: case 0xd1:
10327: case 0xd2:
10328: case 0xd3:
10329: case 0xd4:
10330: case 0xd5:
10331: case 0xd6:
10332: case 0xd7:
10333: case 0xdc:
10334: case 0xdd:
10335: case 0xde:
10336: case 0xdf:
1.1.1.48 root 10337: // DIET v1.43e
10338: // REG16(AX) = 1;
10339: REG8(AL) = 0xff;
1.1 root 10340: break;
10341: default:
1.1.1.22 root 10342: unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.48 root 10343: // REG16(AX) = 1;
10344: REG8(AL) = 0xff;
1.1 root 10345: break;
10346: }
10347: }
10348:
1.1.1.52 root 10349: int get_country_info(country_info_t *ci, LCID locale = LOCALE_USER_DEFAULT)
1.1.1.17 root 10350: {
10351: char LCdata[80];
10352:
1.1.1.19 root 10353: ZeroMemory(ci, offsetof(country_info_t, reserved));
1.1.1.42 root 10354: GetLocaleInfo(locale, LOCALE_ICURRDIGITS, LCdata, sizeof(LCdata));
1.1.1.17 root 10355: ci->currency_dec_digits = atoi(LCdata);
1.1.1.42 root 10356: GetLocaleInfo(locale, LOCALE_ICURRENCY, LCdata, sizeof(LCdata));
1.1.1.17 root 10357: ci->currency_format = *LCdata - '0';
1.1.1.42 root 10358: GetLocaleInfo(locale, LOCALE_IDATE, LCdata, sizeof(LCdata));
1.1.1.17 root 10359: ci->date_format = *LCdata - '0';
1.1.1.42 root 10360: GetLocaleInfo(locale, LOCALE_SCURRENCY, LCdata, sizeof(LCdata));
1.1.1.17 root 10361: memcpy(&ci->currency_symbol, LCdata, 4);
1.1.1.42 root 10362: GetLocaleInfo(locale, LOCALE_SDATE, LCdata, sizeof(LCdata));
1.1.1.17 root 10363: *ci->date_sep = *LCdata;
1.1.1.42 root 10364: GetLocaleInfo(locale, LOCALE_SDECIMAL, LCdata, sizeof(LCdata));
1.1.1.17 root 10365: *ci->dec_sep = *LCdata;
1.1.1.42 root 10366: GetLocaleInfo(locale, LOCALE_SLIST, LCdata, sizeof(LCdata));
1.1.1.17 root 10367: *ci->list_sep = *LCdata;
1.1.1.42 root 10368: GetLocaleInfo(locale, LOCALE_STHOUSAND, LCdata, sizeof(LCdata));
1.1.1.17 root 10369: *ci->thou_sep = *LCdata;
1.1.1.42 root 10370: GetLocaleInfo(locale, LOCALE_STIME, LCdata, sizeof(LCdata));
1.1.1.17 root 10371: *ci->time_sep = *LCdata;
1.1.1.42 root 10372: GetLocaleInfo(locale, LOCALE_STIMEFORMAT, LCdata, sizeof(LCdata));
1.1.1.17 root 10373: if(strchr(LCdata, 'H') != NULL) {
10374: ci->time_format = 1;
10375: }
1.1.1.49 root 10376: ci->case_map.w.l = 0x000a; // dummy case map routine is at fffc:000a
10377: ci->case_map.w.h = DUMMY_TOP >> 4;
1.1.1.42 root 10378: GetLocaleInfo(locale, LOCALE_ICOUNTRY, LCdata, sizeof(LCdata));
1.1.1.17 root 10379: return atoi(LCdata);
10380: }
10381:
1.1.1.42 root 10382: int get_country_info(country_info_t *ci, USHORT usPrimaryLanguage, USHORT usSubLanguage)
10383: {
10384: return get_country_info(ci, MAKELCID(MAKELANGID(usPrimaryLanguage, usSubLanguage), SORT_DEFAULT));
10385: }
10386:
1.1.1.43 root 10387: void set_country_info(country_info_t *ci, int size)
10388: {
10389: char LCdata[80];
10390:
10391: if(size >= 0x00 + 2) {
10392: memset(LCdata, 0, sizeof(LCdata));
10393: *LCdata = '0' + ci->date_format;
10394: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_IDATE, LCdata);
10395: }
10396: if(size >= 0x02 + 5) {
10397: memset(LCdata, 0, sizeof(LCdata));
10398: memcpy(LCdata, &ci->currency_symbol, 4);
10399: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SCURRENCY, LCdata);
10400: }
10401: if(size >= 0x07 + 2) {
10402: memset(LCdata, 0, sizeof(LCdata));
10403: *LCdata = *ci->thou_sep;
10404: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_STHOUSAND, LCdata);
10405: }
10406: if(size >= 0x09 + 2) {
10407: memset(LCdata, 0, sizeof(LCdata));
10408: *LCdata = *ci->dec_sep;
10409: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SDECIMAL, LCdata);
10410: }
10411: if(size >= 0x0b + 2) {
10412: memset(LCdata, 0, sizeof(LCdata));
10413: *LCdata = *ci->date_sep;
10414: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SDATE, LCdata);
10415: }
10416: if(size >= 0x0d + 2) {
10417: memset(LCdata, 0, sizeof(LCdata));
10418: *LCdata = *ci->time_sep;
10419: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_STIME, LCdata);
10420: }
10421: if(size >= 0x0f + 1) {
10422: memset(LCdata, 0, sizeof(LCdata));
10423: *LCdata = '0' + ci->currency_format;
10424: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_ICURRENCY, LCdata);
10425: }
10426: if(size >= 0x10 + 1) {
10427: sprintf(LCdata, "%d", ci->currency_dec_digits);
10428: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_ICURRDIGITS, LCdata);
10429: }
10430: if(size >= 0x11 + 1) {
10431: // FIXME: is time format always H/h:mm:ss ???
10432: if(ci->time_format & 1) {
10433: sprintf(LCdata, "H%cmm%css", *ci->time_sep, *ci->time_sep);
10434: } else {
10435: sprintf(LCdata, "h%cmm%css", *ci->time_sep, *ci->time_sep);
10436: }
10437: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_STIMEFORMAT, LCdata);
10438: }
10439: if(size >= 0x12 + 4) {
10440: // 12h DWORD address of case map routine
10441: // (FAR CALL, AL = character to map to upper case [>= 80h])
10442: }
10443: if(size >= 0x16 + 2) {
10444: memset(LCdata, 0, sizeof(LCdata));
10445: *LCdata = *ci->list_sep;
10446: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SLIST, LCdata);
10447: }
10448: }
10449:
1.1.1.42 root 10450: #ifndef SUBLANG_SWAHILI
10451: #define SUBLANG_SWAHILI 0x01
10452: #endif
10453: #ifndef SUBLANG_TSWANA_BOTSWANA
10454: #define SUBLANG_TSWANA_BOTSWANA 0x02
10455: #endif
10456: #ifndef SUBLANG_LITHUANIAN_LITHUANIA
10457: #define SUBLANG_LITHUANIAN_LITHUANIA 0x01
10458: #endif
10459: #ifndef LANG_BANGLA
10460: #define LANG_BANGLA 0x45
10461: #endif
10462: #ifndef SUBLANG_BANGLA_BANGLADESH
10463: #define SUBLANG_BANGLA_BANGLADESH 0x02
10464: #endif
10465:
10466: static const struct {
10467: int code;
10468: USHORT usPrimaryLanguage;
10469: USHORT usSubLanguage;
10470: } country_table[] = {
10471: {0x001, LANG_ENGLISH, SUBLANG_ENGLISH_US}, // United States
10472: {0x002, LANG_FRENCH, SUBLANG_FRENCH_CANADIAN}, // Canadian-French
10473: {0x004, LANG_ENGLISH, SUBLANG_ENGLISH_CAN}, // Canada (English)
10474: {0x007, LANG_RUSSIAN, SUBLANG_RUSSIAN_RUSSIA}, // Russia
10475: {0x014, LANG_ARABIC, SUBLANG_ARABIC_EGYPT}, // Egypt
10476: {0x01B, LANG_ZULU, SUBLANG_ZULU_SOUTH_AFRICA}, // South Africa
10477: // {0x01B, LANG_XHOSA, SUBLANG_XHOSA_SOUTH_AFRICA}, // South Africa
10478: // {0x01B, LANG_AFRIKAANS, SUBLANG_AFRIKAANS_SOUTH_AFRICA}, // South Africa
10479: // {0x01B, LANG_ENGLISH, SUBLANG_ENGLISH_SOUTH_AFRICA}, // South Africa
10480: // {0x01B, LANG_SOTHO, SUBLANG_SOTHO_NORTHERN_SOUTH_AFRICA}, // South Africa
10481: // {0x01B, LANG_TSWANA, SUBLANG_TSWANA_SOUTH_AFRICA}, // South Africa
10482: {0x01E, LANG_GREEK, SUBLANG_GREEK_GREECE}, // Greece
10483: {0x01F, LANG_DUTCH, SUBLANG_DUTCH}, // Netherlands
10484: // {0x01F, LANG_FRISIAN, SUBLANG_FRISIAN_NETHERLANDS}, // Netherlands
10485: {0x020, LANG_DUTCH, SUBLANG_DUTCH_BELGIAN}, // Belgium
10486: // {0x020, LANG_FRENCH, SUBLANG_FRENCH_BELGIAN}, // Belgium
10487: {0x021, LANG_FRENCH, SUBLANG_FRENCH}, // France
10488: {0x022, LANG_SPANISH, SUBLANG_SPANISH}, // Spain
10489: {0x023, LANG_BULGARIAN, SUBLANG_BULGARIAN_BULGARIA}, // Bulgaria???
10490: {0x024, LANG_HUNGARIAN, SUBLANG_HUNGARIAN_HUNGARY}, // Hungary (not supported by DR DOS 5.0)
10491: {0x027, LANG_ITALIAN, SUBLANG_ITALIAN}, // Italy / San Marino / Vatican City
10492: {0x028, LANG_ROMANIAN, SUBLANG_ROMANIAN_ROMANIA}, // Romania
10493: {0x029, LANG_GERMAN, SUBLANG_GERMAN_SWISS}, // Switzerland / Liechtenstein
10494: // {0x029, LANG_FRENCH, SUBLANG_FRENCH_SWISS}, // Switzerland / Liechtenstein
10495: // {0x029, LANG_ITALIAN, SUBLANG_ITALIAN_SWISS}, // Switzerland / Liechtenstein
10496: {0x02A, LANG_SLOVAK, SUBLANG_SLOVAK_SLOVAKIA}, // Czechoslovakia / Tjekia / Slovakia (not supported by DR DOS 5.0)
10497: {0x02B, LANG_GERMAN, SUBLANG_GERMAN_AUSTRIAN}, // Austria (DR DOS 5.0)
10498: {0x02C, LANG_ENGLISH, SUBLANG_ENGLISH_UK}, // United Kingdom
10499: {0x02D, LANG_DANISH, SUBLANG_DANISH_DENMARK}, // Denmark
10500: {0x02E, LANG_SWEDISH, SUBLANG_SWEDISH}, // Sweden
10501: // {0x02E, LANG_SAMI, SUBLANG_SAMI_NORTHERN_SWEDEN}, // Sweden
10502: // {0x02E, LANG_SAMI, SUBLANG_SAMI_LULE_SWEDEN}, // Sweden
10503: // {0x02E, LANG_SAMI, SUBLANG_SAMI_SOUTHERN_SWEDEN}, // Sweden
10504: {0x02F, LANG_NORWEGIAN, SUBLANG_NORWEGIAN_BOKMAL}, // Norway
10505: // {0x02F, LANG_NORWEGIAN, SUBLANG_NORWEGIAN_NYNORSK}, // Norway
10506: // {0x02F, LANG_SAMI, SUBLANG_SAMI_NORTHERN_NORWAY}, // Norway
10507: // {0x02F, LANG_SAMI, SUBLANG_SAMI_LULE_NORWAY}, // Norway
10508: // {0x02F, LANG_SAMI, SUBLANG_SAMI_SOUTHERN_NORWAY}, // Norway
10509: {0x030, LANG_POLISH, SUBLANG_POLISH_POLAND}, // Poland (not supported by DR DOS 5.0)
10510: {0x031, LANG_GERMAN, SUBLANG_GERMAN}, // Germany
10511: {0x033, LANG_SPANISH, SUBLANG_SPANISH_PERU}, // Peru
10512: // {0x033, LANG_QUECHUA, SUBLANG_QUECHUA_PERU}, // Peru
10513: {0x034, LANG_SPANISH, SUBLANG_SPANISH_MEXICAN}, // Mexico
10514: {0x035, LANG_SPANISH, SUBLANG_NEUTRAL}, // Cuba
10515: {0x036, LANG_SPANISH, SUBLANG_SPANISH_ARGENTINA}, // Argentina
10516: {0x037, LANG_PORTUGUESE, SUBLANG_PORTUGUESE_BRAZILIAN}, // Brazil (not supported by DR DOS 5.0)
10517: {0x038, LANG_SPANISH, SUBLANG_SPANISH_CHILE}, // Chile
10518: {0x039, LANG_SPANISH, SUBLANG_SPANISH_COLOMBIA}, // Columbia
10519: {0x03A, LANG_SPANISH, SUBLANG_SPANISH_VENEZUELA}, // Venezuela
10520: {0x03C, LANG_MALAY, SUBLANG_MALAY_MALAYSIA}, // Malaysia
10521: {0x03D, LANG_ENGLISH, SUBLANG_ENGLISH_AUS}, // International English / Australia
10522: {0x03E, LANG_INDONESIAN, SUBLANG_INDONESIAN_INDONESIA}, // Indonesia / East Timor
10523: {0x03F, LANG_ENGLISH, SUBLANG_ENGLISH_PHILIPPINES}, // Philippines
10524: {0x040, LANG_ENGLISH, SUBLANG_ENGLISH_NZ}, // New Zealand
10525: {0x041, LANG_CHINESE, SUBLANG_CHINESE_SINGAPORE}, // Singapore
10526: // {0x041, LANG_ENGLISH, SUBLANG_ENGLISH_SINGAPORE}, // Singapore
10527: {0x042, LANG_CHINESE_TRADITIONAL, SUBLANG_CHINESE_TRADITIONAL}, // Taiwan???
10528: {0x051, LANG_JAPANESE, SUBLANG_JAPANESE_JAPAN}, // Japan (DR DOS 5.0, MS-DOS 5.0+)
10529: {0x052, LANG_KOREAN, SUBLANG_KOREAN}, // South Korea (DR DOS 5.0)
10530: {0x054, LANG_VIETNAMESE, SUBLANG_VIETNAMESE_VIETNAM}, // Vietnam
10531: {0x056, LANG_CHINESE_SIMPLIFIED, SUBLANG_CHINESE_SIMPLIFIED}, // China (MS-DOS 5.0+)
10532: {0x058, LANG_CHINESE_TRADITIONAL, SUBLANG_CHINESE_TRADITIONAL}, // Taiwan (MS-DOS 5.0+)
10533: {0x05A, LANG_TURKISH, SUBLANG_TURKISH_TURKEY}, // Turkey (MS-DOS 5.0+)
10534: {0x05B, LANG_HINDI, SUBLANG_HINDI_INDIA}, // India
10535: {0x05C, LANG_URDU, SUBLANG_URDU_PAKISTAN}, // Pakistan
10536: {0x05D, LANG_PASHTO, SUBLANG_PASHTO_AFGHANISTAN}, // Afghanistan
10537: // {0x05D, LANG_DARI, SUBLANG_DARI_AFGHANISTAN}, // Afghanistan
10538: {0x05E, LANG_SINHALESE, SUBLANG_SINHALESE_SRI_LANKA}, // Sri Lanka
10539: // {0x05E, LANG_TAMIL, SUBLANG_TAMIL_SRI_LANKA}, // Sri Lanka
10540: {0x062, LANG_PERSIAN, SUBLANG_PERSIAN_IRAN}, // Iran
10541: {0x070, LANG_BELARUSIAN, SUBLANG_BELARUSIAN_BELARUS}, // Belarus
10542: {0x0C8, LANG_THAI, SUBLANG_THAI_THAILAND}, // Thailand
10543: {0x0D4, LANG_ARABIC, SUBLANG_ARABIC_MOROCCO}, // Morocco
10544: {0x0D5, LANG_ARABIC, SUBLANG_ARABIC_ALGERIA}, // Algeria
10545: {0x0D8, LANG_ARABIC, SUBLANG_ARABIC_TUNISIA}, // Tunisia
10546: {0x0DA, LANG_ARABIC, SUBLANG_ARABIC_LIBYA}, // Libya
10547: {0x0DD, LANG_WOLOF, SUBLANG_WOLOF_SENEGAL}, // Senegal
10548: // {0x0DD, LANG_PULAR, SUBLANG_PULAR_SENEGAL}, // Senegal
10549: {0x0EA, LANG_HAUSA, SUBLANG_HAUSA_NIGERIA_LATIN}, // Nigeria
10550: // {0x0EA, LANG_YORUBA, SUBLANG_YORUBA_NIGERIA}, // Nigeria
10551: // {0x0EA, LANG_IGBO, SUBLANG_IGBO_NIGERIA}, // Nigeria
10552: {0x0FB, LANG_AMHARIC, SUBLANG_AMHARIC_ETHIOPIA}, // Ethiopia
10553: // {0x0FB, LANG_TIGRINYA, SUBLANG_TIGRINYA_ETHIOPIA}, // Ethiopia
10554: {0x0FE, LANG_SWAHILI, SUBLANG_SWAHILI}, // Kenya
10555: {0x107, LANG_ENGLISH, SUBLANG_ENGLISH_ZIMBABWE}, // Zimbabwe
10556: {0x10B, LANG_TSWANA, SUBLANG_TSWANA_BOTSWANA}, // Botswana
10557: {0x12A, LANG_FAEROESE, SUBLANG_FAEROESE_FAROE_ISLANDS}, // Faroe Islands
10558: {0x12B, LANG_GREENLANDIC, SUBLANG_GREENLANDIC_GREENLAND}, // Greenland
10559: {0x15F, LANG_PORTUGUESE, SUBLANG_PORTUGUESE}, // Portugal
10560: {0x160, LANG_LUXEMBOURGISH, SUBLANG_LUXEMBOURGISH_LUXEMBOURG}, // Luxembourg
10561: // {0x160, LANG_GERMAN, SUBLANG_GERMAN_LUXEMBOURG}, // Luxembourg
10562: // {0x160, LANG_FRENCH, SUBLANG_FRENCH_LUXEMBOURG}, // Luxembourg
10563: {0x161, LANG_IRISH, SUBLANG_IRISH_IRELAND}, // Ireland
10564: // {0x161, LANG_ENGLISH, SUBLANG_ENGLISH_IRELAND}, // Ireland
10565: {0x162, LANG_ICELANDIC, SUBLANG_ICELANDIC_ICELAND}, // Iceland
10566: {0x163, LANG_ALBANIAN, SUBLANG_ALBANIAN_ALBANIA}, // Albania
10567: {0x164, LANG_MALTESE, SUBLANG_MALTESE_MALTA}, // Malta
10568: {0x166, LANG_FINNISH, SUBLANG_FINNISH_FINLAND}, // Finland
10569: // {0x166, LANG_SAMI, SUBLANG_SAMI_NORTHERN_FINLAND}, // Finland
10570: // {0x166, LANG_SAMI, SUBLANG_SAMI_SKOLT_FINLAND}, // Finland
10571: // {0x166, LANG_SAMI, SUBLANG_SAMI_INARI_FINLAND}, // Finland
10572: {0x167, LANG_BULGARIAN, SUBLANG_BULGARIAN_BULGARIA}, // Bulgaria
10573: {0x172, LANG_LITHUANIAN, SUBLANG_LITHUANIAN_LITHUANIA}, // Lithuania
10574: {0x173, LANG_LATVIAN, SUBLANG_LATVIAN_LATVIA}, // Latvia
10575: {0x174, LANG_ESTONIAN, SUBLANG_ESTONIAN_ESTONIA}, // Estonia
10576: {0x17D, LANG_SERBIAN, SUBLANG_SERBIAN_LATIN}, // Serbia / Montenegro
10577: {0x180, LANG_SERBIAN, SUBLANG_SERBIAN_CROATIA}, // Croatia???
10578: {0x181, LANG_SERBIAN, SUBLANG_SERBIAN_CROATIA}, // Croatia
10579: {0x182, LANG_SLOVENIAN, SUBLANG_SLOVENIAN_SLOVENIA}, // Slovenia
10580: {0x183, LANG_BOSNIAN, SUBLANG_BOSNIAN_BOSNIA_HERZEGOVINA_LATIN}, // Bosnia-Herzegovina (Latin)
10581: {0x184, LANG_BOSNIAN, SUBLANG_BOSNIAN_BOSNIA_HERZEGOVINA_CYRILLIC}, // Bosnia-Herzegovina (Cyrillic)
10582: {0x185, LANG_MACEDONIAN, SUBLANG_MACEDONIAN_MACEDONIA}, // FYR Macedonia
10583: {0x1A5, LANG_CZECH, SUBLANG_CZECH_CZECH_REPUBLIC}, // Czech Republic
10584: {0x1A6, LANG_SLOVAK, SUBLANG_SLOVAK_SLOVAKIA}, // Slovakia
10585: {0x1F5, LANG_ENGLISH, SUBLANG_ENGLISH_BELIZE}, // Belize
10586: {0x1F6, LANG_SPANISH, SUBLANG_SPANISH_GUATEMALA}, // Guatemala
10587: {0x1F7, LANG_SPANISH, SUBLANG_SPANISH_EL_SALVADOR}, // El Salvador
10588: {0x1F8, LANG_SPANISH, SUBLANG_SPANISH_HONDURAS}, // Honduras
10589: {0x1F9, LANG_SPANISH, SUBLANG_SPANISH_NICARAGUA}, // Nicraragua
10590: {0x1FA, LANG_SPANISH, SUBLANG_SPANISH_COSTA_RICA}, // Costa Rica
10591: {0x1FB, LANG_SPANISH, SUBLANG_SPANISH_PANAMA}, // Panama
10592: {0x24F, LANG_SPANISH, SUBLANG_SPANISH_BOLIVIA}, // Bolivia
1.1.1.43 root 10593: // {0x24F, LANG_QUECHUA, SUBLANG_QUECHUA_BOLIVIA}, // Bolivia
1.1.1.42 root 10594: {0x251, LANG_SPANISH, SUBLANG_SPANISH_ECUADOR}, // Ecuador
10595: // {0x251, LANG_QUECHUA, SUBLANG_QUECHUA_ECUADOR}, // Ecuador
10596: {0x253, LANG_SPANISH, SUBLANG_SPANISH_PARAGUAY}, // Paraguay
10597: {0x256, LANG_SPANISH, SUBLANG_SPANISH_URUGUAY}, // Uruguay
10598: {0x2A1, LANG_MALAY, SUBLANG_MALAY_BRUNEI_DARUSSALAM}, // Brunei Darussalam
10599: {0x311, LANG_ARABIC, SUBLANG_NEUTRAL}, // Arabic (Middle East/Saudi Arabia/etc.)
10600: {0x324, LANG_UKRAINIAN, SUBLANG_UKRAINIAN_UKRAINE}, // Ukraine
10601: {0x352, LANG_KOREAN, SUBLANG_KOREAN}, // North Korea
10602: {0x354, LANG_CHINESE, SUBLANG_CHINESE_HONGKONG}, // Hong Kong
10603: {0x355, LANG_CHINESE, SUBLANG_CHINESE_MACAU}, // Macao
10604: {0x357, LANG_KHMER, SUBLANG_KHMER_CAMBODIA}, // Cambodia
10605: {0x370, LANG_BANGLA, SUBLANG_BANGLA_BANGLADESH}, // Bangladesh
10606: {0x376, LANG_CHINESE_TRADITIONAL, SUBLANG_CHINESE_TRADITIONAL}, // Taiwan (DOS 6.22+)
10607: {0x3C0, LANG_DIVEHI, SUBLANG_DIVEHI_MALDIVES}, // Maldives
10608: {0x3C1, LANG_ARABIC, SUBLANG_ARABIC_LEBANON}, // Lebanon
10609: {0x3C2, LANG_ARABIC, SUBLANG_ARABIC_JORDAN}, // Jordan
10610: {0x3C3, LANG_ARABIC, SUBLANG_ARABIC_SYRIA}, // Syrian Arab Republic
10611: {0x3C4, LANG_ARABIC, SUBLANG_ARABIC_IRAQ}, // Ireq
10612: {0x3C5, LANG_ARABIC, SUBLANG_ARABIC_KUWAIT}, // Kuwait
10613: {0x3C6, LANG_ARABIC, SUBLANG_ARABIC_SAUDI_ARABIA}, // Saudi Arabia
10614: {0x3C7, LANG_ARABIC, SUBLANG_ARABIC_YEMEN}, // Yemen
10615: {0x3C8, LANG_ARABIC, SUBLANG_ARABIC_OMAN}, // Oman
10616: {0x3CB, LANG_ARABIC, SUBLANG_ARABIC_UAE}, // United Arab Emirates
10617: {0x3CC, LANG_HEBREW, SUBLANG_HEBREW_ISRAEL}, // Israel (Hebrew) (DR DOS 5.0,MS-DOS 5.0+)
10618: {0x3CD, LANG_ARABIC, SUBLANG_ARABIC_BAHRAIN}, // Bahrain
10619: {0x3CE, LANG_ARABIC, SUBLANG_ARABIC_QATAR}, // Qatar
10620: {0x3D0, LANG_MONGOLIAN, SUBLANG_MONGOLIAN_CYRILLIC_MONGOLIA}, // Mongolia
10621: // {0x3D0, LANG_MONGOLIAN, SUBLANG_MONGOLIAN_PRC}, // Mongolia
10622: {0x3D1, LANG_NEPALI, SUBLANG_NEPALI_NEPAL}, // Nepal
10623: {-1, 0, 0},
10624: };
10625:
1.1.1.14 root 10626: inline void msdos_int_21h_38h()
10627: {
10628: switch(REG8(AL)) {
10629: case 0x00:
1.1.1.19 root 10630: REG16(BX) = get_country_info((country_info_t *)(mem + SREG_BASE(DS) + REG16(DX)));
1.1.1.14 root 10631: break;
10632: default:
1.1.1.42 root 10633: for(int i = 0;; i++) {
10634: if(country_table[i].code == (REG8(AL) != 0xff ? REG8(AL) : REG16(BX))) {
10635: REG16(BX) = get_country_info((country_info_t *)(mem + SREG_BASE(DS) + REG16(DX)), country_table[i].usPrimaryLanguage, country_table[i].usSubLanguage);
10636: break;
10637: } else if(country_table[i].code == -1) {
10638: // unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
10639: // REG16(AX) = 2;
10640: // m_CF = 1;
1.1.1.48 root 10641: // get current coutry info
1.1.1.42 root 10642: REG16(BX) = get_country_info((country_info_t *)(mem + SREG_BASE(DS) + REG16(DX)));
10643: break;
10644: }
10645: }
1.1.1.14 root 10646: break;
10647: }
10648: }
10649:
1.1 root 10650: inline void msdos_int_21h_39h(int lfn)
10651: {
1.1.1.3 root 10652: if(_mkdir(msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn))) {
1.1 root 10653: REG16(AX) = errno;
1.1.1.3 root 10654: m_CF = 1;
1.1 root 10655: }
10656: }
10657:
10658: inline void msdos_int_21h_3ah(int lfn)
10659: {
1.1.1.3 root 10660: if(_rmdir(msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn))) {
1.1 root 10661: REG16(AX) = errno;
1.1.1.3 root 10662: m_CF = 1;
1.1 root 10663: }
10664: }
10665:
10666: inline void msdos_int_21h_3bh(int lfn)
10667: {
1.1.1.45 root 10668: const char *path = msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn);
1.1.1.44 root 10669:
10670: if(_chdir(path)) {
1.1.1.17 root 10671: REG16(AX) = 3; // must be 3 (path not found)
1.1.1.3 root 10672: m_CF = 1;
1.1.1.44 root 10673: } else {
10674: int drv = _getdrive() - 1;
10675: if(path[1] == ':') {
10676: if(path[0] >= 'A' && path[0] <= 'Z') {
10677: drv = path[0] - 'A';
10678: } else if(path[0] >= 'a' && path[0] <= 'z') {
10679: drv = path[0] - 'a';
10680: }
10681: }
10682: msdos_cds_update(drv, path);
1.1 root 10683: }
10684: }
10685:
10686: inline void msdos_int_21h_3ch()
10687: {
1.1.1.45 root 10688: const char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 10689: int attr = GetFileAttributes(path);
1.1.1.37 root 10690: int fd = -1;
10691: int sio_port = 0;
10692: int lpt_port = 0;
1.1 root 10693:
1.1.1.45 root 10694: if(msdos_is_device_path(path)) {
10695: fd = msdos_open_device(path, _O_WRONLY | _O_BINARY, &sio_port, &lpt_port);
1.1 root 10696: } else {
10697: fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
10698: }
10699: if(fd != -1) {
10700: if(attr == -1) {
10701: attr = msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY;
10702: }
10703: SetFileAttributes(path, attr);
10704: REG16(AX) = fd;
1.1.1.45 root 10705: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_device_info(path), current_psp, sio_port, lpt_port);
1.1.1.20 root 10706: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 10707: } else {
10708: REG16(AX) = errno;
1.1.1.3 root 10709: m_CF = 1;
1.1 root 10710: }
10711: }
10712:
10713: inline void msdos_int_21h_3dh()
10714: {
1.1.1.45 root 10715: const char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 10716: int mode = REG8(AL) & 0x03;
1.1.1.37 root 10717: int fd = -1;
10718: int sio_port = 0;
10719: int lpt_port = 0;
1.1 root 10720:
10721: if(mode < 0x03) {
1.1.1.45 root 10722: if(msdos_is_device_path(path)) {
10723: fd = msdos_open_device(path, file_mode[mode].mode, &sio_port, &lpt_port);
1.1.1.11 root 10724: } else {
1.1.1.13 root 10725: fd = msdos_open(path, file_mode[mode].mode);
1.1.1.11 root 10726: }
1.1 root 10727: if(fd != -1) {
10728: REG16(AX) = fd;
1.1.1.45 root 10729: msdos_file_handler_open(fd, path, _isatty(fd), mode, msdos_device_info(path), current_psp, sio_port, lpt_port);
1.1.1.20 root 10730: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 10731: } else {
10732: REG16(AX) = errno;
1.1.1.3 root 10733: m_CF = 1;
1.1 root 10734: }
10735: } else {
10736: REG16(AX) = 0x0c;
1.1.1.3 root 10737: m_CF = 1;
1.1 root 10738: }
10739: }
10740:
10741: inline void msdos_int_21h_3eh()
10742: {
10743: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 10744: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 10745:
1.1.1.20 root 10746: if(fd < process->max_files && file_handler[fd].valid) {
10747: _close(fd);
10748: msdos_file_handler_close(fd);
10749: msdos_psp_set_file_table(REG16(BX), 0x0ff, current_psp);
1.1 root 10750: } else {
10751: REG16(AX) = 0x06;
1.1.1.3 root 10752: m_CF = 1;
1.1 root 10753: }
10754: }
10755:
1.1.1.35 root 10756: DWORD WINAPI msdos_int_21h_3fh_thread(LPVOID)
10757: {
10758: UINT8 *buf = mem + SREG_BASE(DS) + REG16(DX);
10759: int max = REG16(CX);
10760: int p = 0;
10761:
10762: while(max > p) {
10763: int chr = msdos_getch();
10764:
10765: if((ctrl_break_checking && ctrl_break_pressed) || ctrl_c_pressed) {
10766: p = 0;
10767: buf[p++] = 0x0d;
10768: if(max > p) {
10769: buf[p++] = 0x0a;
10770: }
10771: msdos_putch(0x03);
10772: msdos_putch(0x0d);
10773: msdos_putch(0x0a);
10774: break;
10775: } else if(ctrl_break_pressed) {
10776: // skip this byte
10777: } else if(chr == 0x00) {
10778: // skip 2nd byte
10779: msdos_getch();
10780: } else if(chr == 0x0d) {
10781: // carriage return
10782: buf[p++] = 0x0d;
10783: if(max > p) {
10784: buf[p++] = 0x0a;
10785: }
10786: msdos_putch('\n');
10787: break;
10788: } else if(chr == 0x08) {
10789: // back space
10790: if(p > 0) {
10791: p--;
10792: if(msdos_ctrl_code_check(buf[p])) {
10793: msdos_putch(0x08);
10794: msdos_putch(0x08);
10795: msdos_putch(0x20);
10796: msdos_putch(0x20);
10797: msdos_putch(0x08);
10798: msdos_putch(0x08);
1.1.1.36 root 10799: } else if(p > 0 && msdos_kanji_2nd_byte_check(buf, p)) {
10800: p--;
10801: msdos_putch(0x08);
10802: msdos_putch(0x08);
10803: msdos_putch(0x20);
10804: msdos_putch(0x20);
10805: msdos_putch(0x08);
10806: msdos_putch(0x08);
1.1.1.35 root 10807: } else {
10808: msdos_putch(0x08);
10809: msdos_putch(0x20);
10810: msdos_putch(0x08);
10811: }
10812: }
10813: } else if(chr == 0x1b) {
10814: // escape
10815: while(p > 0) {
10816: p--;
10817: if(msdos_ctrl_code_check(buf[p])) {
10818: msdos_putch(0x08);
10819: msdos_putch(0x08);
10820: msdos_putch(0x20);
10821: msdos_putch(0x20);
10822: msdos_putch(0x08);
10823: msdos_putch(0x08);
10824: } else {
10825: msdos_putch(0x08);
10826: msdos_putch(0x20);
10827: msdos_putch(0x08);
10828: }
10829: }
10830: } else {
10831: buf[p++] = chr;
10832: msdos_putch(chr);
10833: }
10834: }
10835: REG16(AX) = p;
10836:
10837: #ifdef USE_SERVICE_THREAD
10838: service_exit = true;
10839: #endif
10840: return(0);
10841: }
10842:
1.1 root 10843: inline void msdos_int_21h_3fh()
10844: {
10845: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 10846: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 10847:
1.1.1.20 root 10848: if(fd < process->max_files && file_handler[fd].valid) {
10849: if(file_mode[file_handler[fd].mode].in) {
10850: if(file_handler[fd].atty) {
1.1 root 10851: // BX is stdin or is redirected to stdin
1.1.1.35 root 10852: if(REG16(CX) != 0) {
10853: #ifdef USE_SERVICE_THREAD
1.1.1.51 root 10854: if(!in_service && !in_service_29h &&
10855: *(UINT16 *)(mem + 4 * 0x29 + 0) == 0x29 &&
1.1.1.50 root 10856: *(UINT16 *)(mem + 4 * 0x29 + 2) == (IRET_TOP >> 4)) {
10857: // msdos_putch() will be used in this service
10858: // if int 29h is hooked, run this service in main thread to call int 29h
10859: start_service_loop(msdos_int_21h_3fh_thread);
10860: } else {
10861: #endif
10862: msdos_int_21h_3fh_thread(NULL);
10863: REQUEST_HARDWRE_UPDATE();
10864: #ifdef USE_SERVICE_THREAD
10865: }
1.1.1.35 root 10866: #endif
10867: } else {
10868: REG16(AX) = 0;
1.1 root 10869: }
10870: } else {
1.1.1.37 root 10871: REG16(AX) = msdos_read(fd, mem + SREG_BASE(DS) + REG16(DX), REG16(CX));
1.1 root 10872: }
10873: } else {
10874: REG16(AX) = 0x05;
1.1.1.3 root 10875: m_CF = 1;
1.1 root 10876: }
10877: } else {
10878: REG16(AX) = 0x06;
1.1.1.3 root 10879: m_CF = 1;
1.1 root 10880: }
10881: }
10882:
10883: inline void msdos_int_21h_40h()
10884: {
10885: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 10886: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 10887:
1.1.1.20 root 10888: if(fd < process->max_files && file_handler[fd].valid) {
10889: if(file_mode[file_handler[fd].mode].out) {
1.1 root 10890: if(REG16(CX)) {
1.1.1.20 root 10891: if(file_handler[fd].atty) {
1.1 root 10892: // BX is stdout/stderr or is redirected to stdout
10893: for(int i = 0; i < REG16(CX); i++) {
1.1.1.3 root 10894: msdos_putch(mem[SREG_BASE(DS) + REG16(DX) + i]);
1.1 root 10895: }
10896: REG16(AX) = REG16(CX);
10897: } else {
1.1.1.20 root 10898: REG16(AX) = msdos_write(fd, mem + SREG_BASE(DS) + REG16(DX), REG16(CX));
1.1 root 10899: }
10900: } else {
1.1.1.20 root 10901: UINT32 pos = _tell(fd);
10902: _lseek(fd, 0, SEEK_END);
10903: UINT32 size = _tell(fd);
1.1.1.12 root 10904: if(pos < size) {
1.1.1.20 root 10905: _lseek(fd, pos, SEEK_SET);
10906: SetEndOfFile((HANDLE)_get_osfhandle(fd));
1.1.1.12 root 10907: } else {
10908: for(UINT32 i = size; i < pos; i++) {
10909: UINT8 tmp = 0;
1.1.1.23 root 10910: msdos_write(fd, &tmp, 1);
1.1.1.12 root 10911: }
1.1.1.20 root 10912: _lseek(fd, pos, SEEK_SET);
1.1 root 10913: }
1.1.1.23 root 10914: REG16(AX) = 0;
1.1 root 10915: }
10916: } else {
10917: REG16(AX) = 0x05;
1.1.1.3 root 10918: m_CF = 1;
1.1 root 10919: }
10920: } else {
10921: REG16(AX) = 0x06;
1.1.1.3 root 10922: m_CF = 1;
1.1 root 10923: }
10924: }
10925:
10926: inline void msdos_int_21h_41h(int lfn)
10927: {
1.1.1.3 root 10928: if(remove(msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn))) {
1.1 root 10929: REG16(AX) = errno;
1.1.1.3 root 10930: m_CF = 1;
1.1 root 10931: }
10932: }
10933:
10934: inline void msdos_int_21h_42h()
10935: {
10936: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 10937: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 10938:
1.1.1.20 root 10939: if(fd < process->max_files && file_handler[fd].valid) {
1.1 root 10940: if(REG8(AL) < 0x03) {
1.1.1.35 root 10941: static const int ptrname[] = { SEEK_SET, SEEK_CUR, SEEK_END };
1.1.1.20 root 10942: _lseek(fd, (REG16(CX) << 16) | REG16(DX), ptrname[REG8(AL)]);
10943: UINT32 pos = _tell(fd);
1.1 root 10944: REG16(AX) = pos & 0xffff;
10945: REG16(DX) = (pos >> 16);
10946: } else {
10947: REG16(AX) = 0x01;
1.1.1.3 root 10948: m_CF = 1;
1.1 root 10949: }
10950: } else {
10951: REG16(AX) = 0x06;
1.1.1.3 root 10952: m_CF = 1;
1.1 root 10953: }
10954: }
10955:
10956: inline void msdos_int_21h_43h(int lfn)
10957: {
1.1.1.45 root 10958: const char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn);
1.1 root 10959: int attr;
10960:
1.1.1.14 root 10961: if(!lfn && REG8(AL) > 2) {
10962: REG16(AX) = 0x01;
10963: m_CF = 1;
10964: return;
10965: }
10966: switch(REG8(lfn ? BL : AL)) {
1.1 root 10967: case 0x00:
10968: if((attr = GetFileAttributes(path)) != -1) {
1.1.1.14 root 10969: REG16(CX) = (UINT16)msdos_file_attribute_create((UINT16)attr);
10970: } else {
10971: REG16(AX) = (UINT16)GetLastError();
10972: m_CF = 1;
10973: }
10974: break;
10975: case 0x01:
10976: if(!SetFileAttributes(path, msdos_file_attribute_create(REG16(CX)))) {
10977: REG16(AX) = (UINT16)GetLastError();
10978: m_CF = 1;
10979: }
10980: break;
10981: case 0x02:
10982: {
1.1.1.45 root 10983: DWORD compressed_size = GetCompressedFileSize(path, NULL), file_size = 0;
10984: if(compressed_size != INVALID_FILE_SIZE) {
10985: if(compressed_size != 0) {
10986: HANDLE hFile = CreateFile(path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
10987: if(hFile != INVALID_HANDLE_VALUE) {
10988: file_size = GetFileSize(hFile, NULL);
10989: CloseHandle(hFile);
10990: }
10991: if(compressed_size == file_size) {
10992: DWORD sectors_per_cluster, bytes_per_sector, free_clusters, total_clusters;
10993: // this isn't correct if the file is in the NTFS MFT
10994: if(GetDiskFreeSpace(path, §ors_per_cluster, &bytes_per_sector, &free_clusters, &total_clusters)) {
10995: compressed_size = ((compressed_size - 1) | (sectors_per_cluster * bytes_per_sector - 1)) + 1;
10996: }
1.1.1.14 root 10997: }
10998: }
1.1.1.45 root 10999: REG16(AX) = LOWORD(compressed_size);
11000: REG16(DX) = HIWORD(compressed_size);
1.1.1.14 root 11001: } else {
11002: REG16(AX) = (UINT16)GetLastError();
11003: m_CF = 1;
1.1 root 11004: }
1.1.1.14 root 11005: }
11006: break;
11007: case 0x03:
11008: case 0x05:
11009: case 0x07:
1.1.1.48 root 11010: if(lfn) {
1.1.1.14 root 11011: HANDLE hFile = CreateFile(path, FILE_WRITE_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
11012: if(hFile != INVALID_HANDLE_VALUE) {
11013: FILETIME local, time;
11014: DosDateTimeToFileTime(REG16(DI), /*REG8(BL) == 5 ? 0 : */REG16(CX), &local);
11015: if(REG8(BL) == 7) {
11016: ULARGE_INTEGER hund;
11017: hund.LowPart = local.dwLowDateTime;
11018: hund.HighPart = local.dwHighDateTime;
11019: hund.QuadPart += REG16(SI) * 100000;
11020: local.dwLowDateTime = hund.LowPart;
11021: local.dwHighDateTime = hund.HighPart;
11022: }
11023: LocalFileTimeToFileTime(&local, &time);
11024: if(!SetFileTime(hFile, REG8(BL) == 0x07 ? &time : NULL,
11025: REG8(BL) == 0x05 ? &time : NULL,
11026: REG8(BL) == 0x03 ? &time : NULL)) {
11027: REG16(AX) = (UINT16)GetLastError();
11028: m_CF = 1;
11029: }
11030: CloseHandle(hFile);
11031: } else {
11032: REG16(AX) = (UINT16)GetLastError();
11033: m_CF = 1;
1.1 root 11034: }
1.1.1.48 root 11035: } else {
11036: // 214303 DR DOS 3.41+ internal - Set Access Rights And Password
11037: // 214305 DR DOS 5.0-6.0 internal - Set Extended File Attributes
11038: // 214307 DR DOS 6.0 - Set File Owner
11039: // unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
11040: REG16(AX) = 0x01;
11041: m_CF = 1;
1.1.1.14 root 11042: }
11043: break;
11044: case 0x04:
11045: case 0x06:
11046: case 0x08:
1.1.1.48 root 11047: if(lfn) {
1.1.1.14 root 11048: WIN32_FILE_ATTRIBUTE_DATA fad;
11049: if(GetFileAttributesEx(path, GetFileExInfoStandard, (LPVOID)&fad)) {
11050: FILETIME *time, local;
11051: time = REG8(BL) == 0x04 ? &fad.ftLastWriteTime :
11052: 0x06 ? &fad.ftLastAccessTime :
11053: &fad.ftCreationTime;
11054: FileTimeToLocalFileTime(time, &local);
11055: FileTimeToDosDateTime(&local, ®16(DI), ®16(CX));
11056: if(REG8(BL) == 0x08) {
11057: ULARGE_INTEGER hund;
11058: hund.LowPart = local.dwLowDateTime;
11059: hund.HighPart = local.dwHighDateTime;
11060: hund.QuadPart /= 100000;
11061: REG16(SI) = (UINT16)(hund.QuadPart % 200);
11062: }
11063: } else {
11064: REG16(AX) = (UINT16)GetLastError();
11065: m_CF = 1;
1.1 root 11066: }
1.1.1.48 root 11067: } else {
11068: // 214304 DR DOS 5.0-6.0 internal - Get Encrypted Password
11069: // 214306 DR DOS 6.0 - Get File Owner
11070: // unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
11071: REG16(AX) = 0x01;
11072: m_CF = 1;
1.1.1.14 root 11073: }
11074: break;
1.1.1.43 root 11075: case 0xff:
1.1.1.48 root 11076: if(!lfn && REG16(BP) == 0x5053) {
1.1.1.43 root 11077: if(REG8(CL) == 0x39) {
11078: msdos_int_21h_39h(1);
11079: break;
11080: } else if(REG8(CL) == 0x56) {
11081: msdos_int_21h_56h(1);
11082: break;
11083: }
11084: }
1.1.1.14 root 11085: default:
1.1.1.22 root 11086: unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.48 root 11087: REG16(AX) = lfn ? 0x7100 : 0x01;
1.1.1.14 root 11088: m_CF = 1;
11089: break;
11090: }
11091: }
11092:
11093: inline void msdos_int_21h_44h()
11094: {
1.1.1.22 root 11095: static UINT16 iteration_count = 0;
11096:
1.1.1.44 root 11097: process_t *process;
11098: int fd, drv;
1.1.1.14 root 11099:
11100: switch(REG8(AL)) {
11101: case 0x00:
11102: case 0x01:
11103: case 0x02:
11104: case 0x03:
11105: case 0x04:
11106: case 0x05:
11107: case 0x06:
11108: case 0x07:
1.1.1.44 root 11109: process = msdos_process_info_get(current_psp);
11110: fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1.1.20 root 11111: if(fd >= process->max_files || !file_handler[fd].valid) {
11112: REG16(AX) = 0x06;
11113: m_CF = 1;
11114: return;
1.1.1.14 root 11115: }
11116: break;
11117: case 0x08:
11118: case 0x09:
1.1.1.44 root 11119: drv = (REG8(BL) ? REG8(BL) : _getdrive()) - 1;
11120: if(!msdos_is_valid_drive(drv)) {
11121: // invalid drive
1.1.1.14 root 11122: REG16(AX) = 0x0f;
11123: m_CF = 1;
11124: return;
1.1 root 11125: }
11126: break;
11127: }
11128: switch(REG8(AL)) {
1.1.1.48 root 11129: case 0x00: // Get Device Information
1.1.1.20 root 11130: REG16(DX) = file_handler[fd].info;
1.1 root 11131: break;
1.1.1.48 root 11132: case 0x01: // Set Device Information
1.1.1.45 root 11133: if(REG8(DH) != 0) {
11134: // REG16(AX) = 0x0d; // data invalid
11135: // m_CF = 1;
11136: file_handler[fd].info = REG16(DX);
11137: } else {
11138: file_handler[fd].info &= 0xff00;
11139: file_handler[fd].info |= REG8(DL);
11140: }
1.1 root 11141: break;
1.1.1.48 root 11142: case 0x02: // Read From Character Device Control Channel
1.1.1.45 root 11143: if(strstr(file_handler[fd].path, "EMMXXXX0") != NULL && support_ems) {
11144: // from DOSBox
11145: switch(*(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX))) {
11146: case 0x00:
11147: if(REG16(CX) >= 6) {
11148: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = 0x0023;
11149: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(DX) + 2) = 0x0000;
11150: REG16(AX) = 6; // number of bytes actually read
11151: } else {
11152: REG16(AX) = 0x0d; // data invalid
11153: m_CF = 1;
11154: }
11155: break;
11156: case 0x01:
11157: if(REG16(CX) >= 6) {
11158: *(UINT16 *)(mem + XMS_TOP + 0x18 + 0x000) = 0x0004; // flags
11159: *(UINT16 *)(mem + XMS_TOP + 0x18 + 0x002) = 0x019d; // size of this structure
11160: *(UINT16 *)(mem + XMS_TOP + 0x18 + 0x004) = 0x0001; // version 1.0
11161: *(UINT32 *)(mem + XMS_TOP + 0x18 + 0x006) = 0x00000000; // reserved
11162: for(int addr = 0, ofs = 0x00a; addr < 0x100000; addr += 0x4000, ofs += 6) {
11163: if(addr >= EMS_TOP && addr < EMS_TOP + EMS_SIZE) {
11164: int page = (addr - EMS_TOP) / 0x4000;
11165: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 0) = 0x03; // frame type: EMS frame in 64k page
11166: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 1) = 0xff; // owner: NONE
11167: *(UINT16 *)(mem + XMS_TOP + 0x18 + ofs + 2) = 0x7fff; // no logical page number
11168: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 4) = page; // physical EMS page number
11169: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 5) = 0x00; // flags: EMS frame
11170: } else {
11171: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 0) = 0x00; // frame type: NONE
11172: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 1) = 0xff; // owner: NONE
11173: *(UINT16 *)(mem + XMS_TOP + 0x18 + ofs + 2) = 0xffff; // non-EMS frame
11174: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 4) = 0xff; // EMS page number (NONE)
11175: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 5) = 0xaa; // flags: direct mapping
11176: }
11177: }
11178: *(UINT8 *)(mem + XMS_TOP + 0x18 + 0x18a) = 0x74; // ??
11179: *(UINT8 *)(mem + XMS_TOP + 0x18 + 0x18b) = 0x00; // no UMB descriptors following
11180: *(UINT8 *)(mem + XMS_TOP + 0x18 + 0x18c) = 0x01; // 1 EMS handle info record
11181: *(UINT16 *)(mem + XMS_TOP + 0x18 + 0x17d) = 0x0000; // system handle
11182: *(UINT32 *)(mem + XMS_TOP + 0x18 + 0x18f) = 0x00000000; // handle name
11183: *(UINT32 *)(mem + XMS_TOP + 0x18 + 0x193) = 0x00000000; // handle name
11184: *(UINT16 *)(mem + XMS_TOP + 0x18 + 0x197) = 0x0001; // system handle
11185: *(UINT32 *)(mem + XMS_TOP + 0x18 + 0x199) = 0x00110000; // physical address
11186:
11187: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = 0x0018;
11188: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2) = XMS_TOP >> 4;;
11189: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 4) = 0x0001; // version 1.0
11190: REG16(AX) = 6; // number of bytes actually read
11191: } else {
11192: REG16(AX) = 0x0d; // data invalid
11193: m_CF = 1;
11194: }
11195: break;
11196: case 0x02:
11197: if(REG16(CX) >= 2) {
11198: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = 0x40; // EMS 4.0
11199: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 1) = 0x00;
11200: REG16(AX) = 2; // number of bytes actually read
11201: } else {
11202: REG16(AX) = 0x0d; // data invalid
11203: m_CF = 1;
11204: }
11205: break;
11206: case 0x03:
11207: if(REG16(CX) >= 4) {
11208: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = MAX_EMS_PAGES * 16; // max size (kb)
11209: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2) = 0x0080; // min size (kb)
11210: REG16(AX) = 4; // number of bytes actually read
11211: } else {
11212: REG16(AX) = 0x0d; // data invalid
11213: m_CF = 1;
11214: }
11215: break;
11216: default:
11217: REG16(AX) = 0x01; // function number invalid
11218: m_CF = 1;
11219: }
11220: } else if(strstr(file_handler[fd].path, "CONFIG$") != NULL) {
11221: if(REG16(CX) >= 5) {
11222: memset(mem + SREG_BASE(DS) + REG16(DX), 0, 5);
11223: REG16(AX) = 5; // number of bytes actually read
11224: } else {
11225: REG16(AX) = 0x0d; // data invalid
11226: m_CF = 1;
11227: }
11228: } else {
11229: // memset(mem + SREG_BASE(DS) + REG16(DX), 0, REG16(CX));
11230: // REG16(AX) = REG16(CX);
11231: REG16(AX) = 0x05; // access denied
11232: m_CF = 1;
11233: }
11234: break;
1.1.1.48 root 11235: case 0x03: // Write To Character Device Control Channel
1.1.1.45 root 11236: // REG16(AX) = 0x05;
11237: // m_CF = 1;
11238: REG16(AX) = 0x00; // success
11239: break;
1.1.1.48 root 11240: case 0x04: // Read From Block Device Control Channel
11241: case 0x05: // Write To Block Device Control Channel
1.1 root 11242: REG16(AX) = 0x05;
1.1.1.3 root 11243: m_CF = 1;
1.1 root 11244: break;
1.1.1.48 root 11245: case 0x06: // Get Input Status
1.1.1.20 root 11246: if(file_mode[file_handler[fd].mode].in) {
11247: if(file_handler[fd].atty) {
1.1.1.14 root 11248: REG8(AL) = msdos_kbhit() ? 0xff : 0x00;
1.1 root 11249: } else {
1.1.1.20 root 11250: REG8(AL) = eof(fd) ? 0x00 : 0xff;
1.1 root 11251: }
1.1.1.14 root 11252: } else {
11253: REG8(AL) = 0x00;
1.1 root 11254: }
11255: break;
1.1.1.48 root 11256: case 0x07: // Get Output Status
1.1.1.20 root 11257: if(file_mode[file_handler[fd].mode].out) {
1.1.1.14 root 11258: REG8(AL) = 0xff;
11259: } else {
11260: REG8(AL) = 0x00;
1.1 root 11261: }
11262: break;
1.1.1.48 root 11263: case 0x08: // Check If Block Device Removable
1.1.1.44 root 11264: if(msdos_is_removable_drive(drv) || msdos_is_cdrom_drive(drv)) {
1.1.1.14 root 11265: // removable drive
11266: REG16(AX) = 0x00;
1.1 root 11267: } else {
1.1.1.14 root 11268: // fixed drive
11269: REG16(AX) = 0x01;
1.1 root 11270: }
11271: break;
1.1.1.48 root 11272: case 0x09: // Check If Block Device Remote
1.1.1.44 root 11273: if(msdos_is_remote_drive(drv)) {
1.1.1.14 root 11274: // remote drive
11275: REG16(DX) = 0x1000;
1.1.1.44 root 11276: } else if(msdos_is_subst_drive(drv)) {
11277: // subst drive
11278: REG16(DX) = 0x8000;
1.1 root 11279: } else {
1.1.1.14 root 11280: // local drive
1.1.1.44 root 11281: REG16(DX) = 0x0000;
1.1 root 11282: }
11283: break;
1.1.1.48 root 11284: case 0x0a: // Check If Handle Is Remote
1.1.1.45 root 11285: if(!(file_handler[fd].info & 0x8000) && msdos_is_remote_drive(msdos_drive_number(file_handler[fd].path))) {
11286: REG16(DX) = 0x8000;
11287: } else {
11288: REG16(DX) = 0x0000;
11289: }
1.1.1.21 root 11290: break;
1.1.1.48 root 11291: case 0x0b: // Set Sharing Retry Count
1.1 root 11292: break;
1.1.1.48 root 11293: case 0x0c: // Generic Character Device Request
1.1.1.22 root 11294: if(REG8(CL) == 0x45) {
11295: // set iteration (retry) count
11296: iteration_count = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX));
11297: } else if(REG8(CL) == 0x4a) {
11298: // select code page
11299: active_code_page = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2);
11300: msdos_nls_tables_update();
1.1.1.44 root 11301: } else if(REG8(CL) == 0x4c) {
11302: // start code-page preparation
11303: int ids[3] = {437, 0, 0}; // 437: US English
11304: int count = 1, offset = 0;
11305: if(active_code_page != 437) {
11306: ids[count++] = active_code_page;
11307: }
11308: if(system_code_page != 437 && system_code_page != active_code_page) {
11309: ids[count++] = system_code_page;
11310: }
11311: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = 0;
11312: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = 2 + 2 * count;
11313: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = count;
11314: for(int i = 0; i < count; i++) {
11315: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = ids[i];
11316: }
11317: } else if(REG8(CL) == 0x4d) {
11318: // end code-page preparation
11319: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = 2;
11320: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2) = active_code_page;
1.1.1.50 root 11321: } else if(REG8(CL) == 0x5f) {
11322: // set display information
11323: if(*(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x02) >= 14) {
11324: int cur_width = *(UINT16 *)(mem + 0x44a) + 0;
11325: int cur_height = *(UINT8 *)(mem + 0x484) + 1;
11326: int new_width = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0e); // character columns
11327: int new_height = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x10); // character rows
11328:
11329: if(cur_width != new_width || cur_height != new_height) {
11330: pcbios_set_console_size(new_width, new_height, true);
11331: }
11332: }
1.1.1.22 root 11333: } else if(REG8(CL) == 0x65) {
11334: // get iteration (retry) count
11335: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX)) = iteration_count;
11336: } else if(REG8(CL) == 0x6a) {
11337: // query selected code page
11338: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = 2; // FIXME
11339: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2) = active_code_page;
11340:
11341: CPINFO info;
11342: GetCPInfo(active_code_page, &info);
11343:
11344: if(info.MaxCharSize != 1) {
11345: for(int i = 0;; i++) {
11346: UINT8 lo = info.LeadByte[2 * i + 0];
11347: UINT8 hi = info.LeadByte[2 * i + 1];
11348:
11349: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 4 + 4 * i + 0) = lo;
11350: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 4 + 4 * i + 2) = hi;
11351: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) + 4;
11352:
11353: if(lo == 0 && hi == 0) {
11354: break;
11355: }
11356: }
11357: }
1.1.1.44 root 11358: } else if(REG8(CL) == 0x6b) {
11359: // query prepare list
11360: int ids[3] = {437, 0, 0}; // 437: US English
11361: int count = 1, offset = 0;
11362: if(active_code_page != 437) {
11363: ids[count++] = active_code_page;
11364: }
11365: if(system_code_page != 437 && system_code_page != active_code_page) {
11366: ids[count++] = system_code_page;
11367: }
11368: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = 2 * (2 + 2 * count);
11369: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = count;
11370: for(int i = 0; i < count; i++) {
11371: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = ids[i];
11372: }
11373: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = count;
11374: for(int i = 0; i < count; i++) {
11375: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = ids[i];
11376: }
1.1.1.22 root 11377: } else if(REG8(CL) == 0x7f) {
1.1.1.44 root 11378: // get display information
1.1.1.50 root 11379: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x00) = 0; // level (0 for DOS 4.x-6.0)
11380: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x01) = 0; // reserved (0)
11381: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x02) = 14; // length of following data (14)
11382: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x04) = 1; // bit 0 set for blink, clear for intensity
11383: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x06) = 1; // mode type (1=text, 2=graphics)
11384: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x07) = 0; // reserved (0)
11385: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x08) = 4; // 4 bits per pixel
11386: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0a) = 8 * (*(UINT16 *)(mem + 0x44a) + 0); // pixel columns
11387: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0c) = 16 * (*(UINT8 *)(mem + 0x484) + 1); // pixel rows
11388: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0e) = *(UINT16 *)(mem + 0x44a) + 0; // character columns
11389: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x10) = *(UINT8 *)(mem + 0x484) + 1; // character rows
1.1.1.22 root 11390: } else {
11391: unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
11392: REG16(AX) = 0x01; // invalid function
11393: m_CF = 1;
11394: }
11395: break;
1.1.1.48 root 11396: case 0x0d: // Generic Block Device Request
1.1.1.22 root 11397: if(REG8(CL) == 0x40) {
11398: // set device parameters
1.1.1.48 root 11399: // } else if(REG8(CL) == 0x41) {
11400: // // write logical device track
11401: // } else if(REG8(CL) == 0x42) {
11402: // // format and verify logical device track
1.1.1.22 root 11403: } else if(REG8(CL) == 0x46) {
11404: // set volume serial number
1.1.1.48 root 11405: } else if(REG8(CL) == 0x47) {
11406: // set access flag
11407: // } else if(REG8(CL) == 0x48) {
11408: // // set media lock state
11409: // } else if(REG8(CL) == 0x49) {
11410: // // eject media in drive
1.1.1.22 root 11411: } else if(REG8(CL) == 0x4a) {
11412: // lock logical volume
11413: } else if(REG8(CL) == 0x4b) {
11414: // lock physical volume
11415: } else if(REG8(CL) == 0x60) {
11416: // get device parameters
1.1.1.42 root 11417: int drive_num = (REG8(BL) ? REG8(BL) : _getdrive()) - 1;
1.1.1.22 root 11418:
1.1.1.42 root 11419: if(pcbios_update_drive_param(drive_num, 1)) {
11420: drive_param_t *drive_param = &drive_params[drive_num];
11421: DISK_GEOMETRY *geo = &drive_param->geometry;
11422:
11423: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x07; // ???
11424: switch(geo->MediaType) {
11425: case F5_360_512:
11426: case F5_320_512:
11427: case F5_320_1024:
11428: case F5_180_512:
11429: case F5_160_512:
11430: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x00; // 320K/360K disk
11431: break;
11432: case F5_1Pt2_512:
11433: case F3_1Pt2_512:
11434: case F3_1Pt23_1024:
11435: case F5_1Pt23_1024:
11436: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x01; // 1.2M disk
11437: break;
11438: case F3_720_512:
11439: case F3_640_512:
11440: case F5_640_512:
11441: case F5_720_512:
11442: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x02; // 720K disk
11443: break;
11444: case F8_256_128:
11445: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x03; // single-density 8-inch disk
11446: break;
11447: case FixedMedia:
11448: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x05; // fixed disk
11449: break;
11450: case F3_1Pt44_512:
11451: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x07; // (DOS 3.3+) other type of block device, normally 1.44M floppy
11452: break;
11453: case F3_2Pt88_512:
11454: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x09; // (DOS 5+) 2.88M floppy
11455: break;
11456: default:
11457: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x05; // fixed disk
11458: // *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x05; // (DOS 3.3+) other type of block device, normally 1.44M floppy
11459: break;
1.1.1.22 root 11460: }
1.1.1.42 root 11461: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x02) = (geo->MediaType == FixedMedia) ? 0x01 : 0x00;
11462: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x04) = (geo->Cylinders.QuadPart > 0xffff) ? 0xffff : geo->Cylinders.QuadPart;
11463: switch(geo->MediaType) {
11464: case F5_360_512:
11465: case F5_320_512:
11466: case F5_320_1024:
11467: case F5_180_512:
11468: case F5_160_512:
11469: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x06) = 0x01; // 320K/360K disk
11470: break;
11471: default:
11472: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x06) = 0x00; // other drive types
11473: break;
11474: }
11475: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x00) = geo->BytesPerSector;
11476: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x02) = geo->SectorsPerTrack * geo->TracksPerCylinder;
11477: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x03) = 0;
11478: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x05) = 0;
11479: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x06) = 0;
11480: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x08) = 0;
11481: switch(geo->MediaType) {
11482: case F5_320_512: // floppy, double-sided, 8 sectors per track (320K)
11483: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xff;
11484: break;
11485: case F5_160_512: // floppy, single-sided, 8 sectors per track (160K)
11486: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xfe;
11487: break;
11488: case F5_360_512: // floppy, double-sided, 9 sectors per track (360K)
11489: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xfd;
11490: break;
11491: case F5_180_512: // floppy, single-sided, 9 sectors per track (180K)
11492: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xfc;
11493: break;
11494: case F5_1Pt2_512: // floppy, double-sided, 15 sectors per track (1.2M)
11495: case F3_1Pt2_512:
11496: case F3_720_512: // floppy, double-sided, 9 sectors per track (720K,3.5")
11497: case F5_720_512:
11498: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xf9;
11499: break;
11500: case FixedMedia: // hard disk
11501: case RemovableMedia:
11502: case Unknown:
11503: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xf8;
11504: break;
11505: default:
11506: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xf0;
11507: break;
11508: }
11509: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0d) = geo->SectorsPerTrack;
11510: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0f) = 1;
11511: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x11) = 0;
11512: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x15) = geo->TracksPerCylinder * geo->Cylinders.QuadPart;
11513: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x1f) = geo->Cylinders.QuadPart;
11514: // 21h BYTE device type
11515: // 22h WORD device attributes (removable or not, etc)
1.1.1.22 root 11516: } else {
11517: REG16(AX) = 0x0f; // invalid drive
11518: m_CF = 1;
11519: }
1.1.1.48 root 11520: // } else if(REG8(CL) == 0x61) {
11521: // // read logical device track
11522: // } else if(REG8(CL) == 0x62) {
11523: // // verify logical device track
1.1.1.22 root 11524: } else if(REG8(CL) == 0x66) {
11525: // get volume serial number
11526: char path[] = "A:\\";
11527: char volume_label[MAX_PATH];
11528: DWORD serial_number = 0;
11529: char file_system[MAX_PATH];
11530:
11531: path[0] = 'A' + (REG8(BL) ? REG8(BL) : _getdrive()) - 1;
11532:
11533: if(GetVolumeInformation(path, volume_label, MAX_PATH, &serial_number, NULL, NULL, file_system, MAX_PATH)) {
11534: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0;
11535: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x02) = serial_number;
11536: memset(mem + SREG_BASE(DS) + REG16(SI) + 0x06, 0x20, 11);
11537: memcpy(mem + SREG_BASE(DS) + REG16(SI) + 0x06, volume_label, min(strlen(volume_label), 11));
11538: memset(mem + SREG_BASE(DS) + REG16(SI) + 0x11, 0x20, 8);
11539: memcpy(mem + SREG_BASE(DS) + REG16(SI) + 0x11, file_system, min(strlen(file_system), 8));
11540: } else {
11541: REG16(AX) = 0x0f; // invalid drive
11542: m_CF = 1;
11543: }
11544: } else if(REG8(CL) == 0x67) {
11545: // get access flag
11546: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0;
11547: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 1;
11548: } else if(REG8(CL) == 0x68) {
11549: // sense media type
1.1.1.42 root 11550: int drive_num = (REG8(BL) ? REG8(BL) : _getdrive()) - 1;
1.1.1.22 root 11551:
1.1.1.42 root 11552: if(pcbios_update_drive_param(drive_num, 1)) {
11553: drive_param_t *drive_param = &drive_params[drive_num];
11554: DISK_GEOMETRY *geo = &drive_param->geometry;
11555:
11556: switch(geo->MediaType) {
11557: case F3_720_512:
11558: case F5_720_512:
11559: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x01;
11560: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x02;
11561: break;
11562: case F3_1Pt44_512:
11563: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x01;
11564: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x07;
11565: break;
11566: case F3_2Pt88_512:
11567: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x01;
11568: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x09;
11569: break;
11570: default:
11571: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x00;
11572: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x00; // ???
11573: break;
1.1.1.22 root 11574: }
11575: } else {
11576: REG16(AX) = 0x0f; // invalid drive
11577: m_CF = 1;
11578: }
11579: } else if(REG8(CL) == 0x6a) {
11580: // unlock logical volume
11581: } else if(REG8(CL) == 0x6b) {
11582: // unlock physical volume
1.1.1.48 root 11583: // } else if(REG8(CL) == 0x6c) {
11584: // // get lock flag
11585: // } else if(REG8(CL) == 0x6d) {
11586: // // enumerate open files
11587: // } else if(REG8(CL) == 0x6e) {
11588: // // find swap file
11589: // } else if(REG8(CL) == 0x6f) {
11590: // // get drive map information
11591: // } else if(REG8(CL) == 0x70) {
11592: // // get current lock state
11593: // } else if(REG8(CL) == 0x71) {
11594: // // get first cluster
1.1.1.22 root 11595: } else {
11596: unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
11597: REG16(AX) = 0x01; // invalid function
11598: m_CF = 1;
11599: }
11600: break;
1.1.1.48 root 11601: case 0x0e: // Get Lgical Drive Map
1.1.1.44 root 11602: if(!msdos_is_valid_drive((REG8(BL) ? REG8(BL) : _getdrive()) - 1)) {
11603: REG16(AX) = 0x0f; // invalid drive
11604: m_CF = 1;
11605: } else {
11606: REG8(AL) = 0;
1.1.1.22 root 11607: }
11608: break;
1.1.1.48 root 11609: case 0x0f: // Set Logical Drive Map
1.1.1.44 root 11610: if(!msdos_is_valid_drive((REG8(BL) ? REG8(BL) : _getdrive()) - 1)) {
11611: REG16(AX) = 0x0f; // invalid drive
11612: m_CF = 1;
1.1.1.22 root 11613: }
11614: break;
1.1.1.48 root 11615: case 0x10: // Query Generic IOCTRL Capability (Handle)
1.1.1.22 root 11616: switch(REG8(CL)) {
11617: case 0x45:
11618: case 0x4a:
1.1.1.48 root 11619: case 0x4c:
11620: case 0x4d:
1.1.1.22 root 11621: case 0x65:
11622: case 0x6a:
1.1.1.48 root 11623: case 0x6b:
1.1.1.22 root 11624: case 0x7f:
11625: REG16(AX) = 0x0000; // supported
11626: break;
11627: default:
11628: REG8(AL) = 0x01; // ioctl capability not available
11629: m_CF = 1;
11630: break;
11631: }
11632: break;
1.1.1.48 root 11633: case 0x11: // Query Generic IOCTRL Capability (Drive)
1.1.1.22 root 11634: switch(REG8(CL)) {
11635: case 0x40:
11636: case 0x46:
11637: case 0x4a:
11638: case 0x4b:
11639: case 0x60:
11640: case 0x66:
11641: case 0x67:
11642: case 0x68:
11643: case 0x6a:
11644: case 0x6b:
1.1.1.48 root 11645: if(REG8(CH) == 0x00 || REG8(CH) == 0x01 || REG8(CH) == 0x03 || REG8(CH) == 0x05) {
11646: // CH = 00h Unknown
11647: // CH = 01h COMn:
11648: // CH = 03h CON
11649: // CH = 05h LPTn:
11650: REG16(AX) = 0x0000; // supported
11651: break;
11652: }
1.1.1.22 root 11653: default:
11654: REG8(AL) = 0x01; // ioctl capability not available
11655: m_CF = 1;
11656: break;
11657: }
11658: break;
1.1.1.48 root 11659: case 0x12: // DR DOS 5.0-6.0 - Determine DOS Type
11660: case 0x14: // DR DOS 5.0-6.0 - Set Global Password
11661: case 0x16: // DR DOS 5.0-6.0 - History Buffer, Share, And Hiload Control
11662: case 0x51: // Concurrent DOS v3.2+ - Installation Check
11663: case 0x52: // DR DOS 3.41+ - Determine DOS tTpe/Get DR DOS Version
11664: case 0x54: // DR DOS 3.41+ - Set Global Password
11665: case 0x56: // DR DOS 5.0+ - History Buffer Control
11666: case 0x57: // DR DOS 5.0-6.0 - Share/Hiload Control
11667: case 0x58: // DR DOS 5.0+ internal - Get Pointer To Internal Variable Table
11668: case 0x59: // DR Multiuser DOS 5.0 - API
11669: REG16(AX) = 0x01; // this is not DR-DOS
1.1.1.22 root 11670: m_CF = 1;
11671: break;
1.1 root 11672: default:
1.1.1.22 root 11673: unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1 root 11674: REG16(AX) = 0x01;
1.1.1.3 root 11675: m_CF = 1;
1.1 root 11676: break;
11677: }
11678: }
11679:
11680: inline void msdos_int_21h_45h()
11681: {
11682: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 11683: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 11684:
1.1.1.20 root 11685: if(fd < process->max_files && file_handler[fd].valid) {
11686: int dup_fd = _dup(fd);
11687: if(dup_fd != -1) {
11688: REG16(AX) = dup_fd;
11689: msdos_file_handler_dup(dup_fd, fd, current_psp);
11690: // msdos_psp_set_file_table(dup_fd, fd, current_psp);
11691: msdos_psp_set_file_table(dup_fd, dup_fd, current_psp);
1.1 root 11692: } else {
11693: REG16(AX) = errno;
1.1.1.3 root 11694: m_CF = 1;
1.1 root 11695: }
11696: } else {
11697: REG16(AX) = 0x06;
1.1.1.3 root 11698: m_CF = 1;
1.1 root 11699: }
11700: }
11701:
11702: inline void msdos_int_21h_46h()
11703: {
11704: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 11705: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
11706: int dup_fd = REG16(CX);
11707: int tmp_fd = msdos_psp_get_file_table(REG16(CX), current_psp);
1.1 root 11708:
1.1.1.20 root 11709: if(REG16(BX) == REG16(CX)) {
11710: REG16(AX) = 0x06;
11711: m_CF = 1;
11712: } else if(fd < process->max_files && file_handler[fd].valid && dup_fd < process->max_files) {
11713: if(tmp_fd < process->max_files && file_handler[tmp_fd].valid) {
11714: _close(tmp_fd);
11715: msdos_file_handler_close(tmp_fd);
11716: msdos_psp_set_file_table(dup_fd, 0x0ff, current_psp);
11717: }
11718: if(_dup2(fd, dup_fd) != -1) {
11719: msdos_file_handler_dup(dup_fd, fd, current_psp);
11720: // msdos_psp_set_file_table(dup_fd, fd, current_psp);
11721: msdos_psp_set_file_table(dup_fd, dup_fd, current_psp);
1.1 root 11722: } else {
11723: REG16(AX) = errno;
1.1.1.3 root 11724: m_CF = 1;
1.1 root 11725: }
11726: } else {
11727: REG16(AX) = 0x06;
1.1.1.3 root 11728: m_CF = 1;
1.1 root 11729: }
11730: }
11731:
11732: inline void msdos_int_21h_47h(int lfn)
11733: {
11734: char path[MAX_PATH];
11735:
11736: if(_getdcwd(REG8(DL), path, MAX_PATH) != NULL) {
1.1.1.45 root 11737: if(!lfn) {
11738: strcpy(path, msdos_short_path(path));
11739: }
1.1 root 11740: if(path[1] == ':') {
11741: // the returned path does not include a drive or the initial backslash
1.1.1.45 root 11742: strcpy((char *)(mem + SREG_BASE(DS) + REG16(SI)), path + 3);
1.1 root 11743: } else {
1.1.1.45 root 11744: strcpy((char *)(mem + SREG_BASE(DS) + REG16(SI)), path);
1.1 root 11745: }
11746: } else {
11747: REG16(AX) = errno;
1.1.1.3 root 11748: m_CF = 1;
1.1 root 11749: }
11750: }
11751:
11752: inline void msdos_int_21h_48h()
11753: {
1.1.1.19 root 11754: int seg, umb_linked;
1.1 root 11755:
1.1.1.8 root 11756: if((malloc_strategy & 0xf0) == 0x00) {
1.1.1.19 root 11757: // unlink umb not to allocate memory in umb
11758: if((umb_linked = msdos_mem_get_umb_linked()) != 0) {
11759: msdos_mem_unlink_umb();
11760: }
1.1.1.8 root 11761: if((seg = msdos_mem_alloc(first_mcb, REG16(BX), 0)) != -1) {
11762: REG16(AX) = seg;
11763: } else {
11764: REG16(AX) = 0x08;
11765: REG16(BX) = msdos_mem_get_free(first_mcb, 0);
11766: m_CF = 1;
11767: }
1.1.1.19 root 11768: if(umb_linked != 0) {
11769: msdos_mem_link_umb();
11770: }
1.1.1.8 root 11771: } else if((malloc_strategy & 0xf0) == 0x40) {
11772: if((seg = msdos_mem_alloc(UMB_TOP >> 4, REG16(BX), 0)) != -1) {
11773: REG16(AX) = seg;
11774: } else {
11775: REG16(AX) = 0x08;
11776: REG16(BX) = msdos_mem_get_free(UMB_TOP >> 4, 0);
11777: m_CF = 1;
11778: }
11779: } else if((malloc_strategy & 0xf0) == 0x80) {
11780: if((seg = msdos_mem_alloc(UMB_TOP >> 4, REG16(BX), 0)) != -1) {
11781: REG16(AX) = seg;
11782: } else if((seg = msdos_mem_alloc(first_mcb, REG16(BX), 0)) != -1) {
11783: REG16(AX) = seg;
11784: } else {
11785: REG16(AX) = 0x08;
11786: REG16(BX) = max(msdos_mem_get_free(UMB_TOP >> 4, 0), msdos_mem_get_free(first_mcb, 0));
11787: m_CF = 1;
11788: }
1.1 root 11789: }
11790: }
11791:
11792: inline void msdos_int_21h_49h()
11793: {
1.1.1.14 root 11794: int mcb_seg = SREG(ES) - 1;
11795: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
11796:
11797: if(mcb->mz == 'M' || mcb->mz == 'Z') {
11798: msdos_mem_free(SREG(ES));
11799: } else {
1.1.1.33 root 11800: REG16(AX) = 0x09; // illegal memory block address
1.1.1.14 root 11801: m_CF = 1;
11802: }
1.1 root 11803: }
11804:
11805: inline void msdos_int_21h_4ah()
11806: {
1.1.1.14 root 11807: int mcb_seg = SREG(ES) - 1;
11808: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1 root 11809: int max_paragraphs;
11810:
1.1.1.14 root 11811: if(mcb->mz == 'M' || mcb->mz == 'Z') {
11812: if(msdos_mem_realloc(SREG(ES), REG16(BX), &max_paragraphs)) {
11813: REG16(AX) = 0x08;
11814: REG16(BX) = max_paragraphs > 0x7fff && limit_max_memory ? 0x7fff : max_paragraphs;
11815: m_CF = 1;
11816: }
11817: } else {
1.1.1.33 root 11818: REG16(AX) = 0x09; // illegal memory block address
1.1.1.3 root 11819: m_CF = 1;
1.1 root 11820: }
11821: }
11822:
11823: inline void msdos_int_21h_4bh()
11824: {
1.1.1.3 root 11825: char *command = (char *)(mem + SREG_BASE(DS) + REG16(DX));
11826: param_block_t *param = (param_block_t *)(mem + SREG_BASE(ES) + REG16(BX));
1.1 root 11827:
11828: switch(REG8(AL)) {
11829: case 0x00:
11830: case 0x01:
11831: if(msdos_process_exec(command, param, REG8(AL))) {
11832: REG16(AX) = 0x02;
1.1.1.3 root 11833: m_CF = 1;
1.1 root 11834: }
11835: break;
1.1.1.14 root 11836: case 0x03:
11837: {
11838: int fd;
11839: if((fd = _open(command, _O_RDONLY | _O_BINARY)) == -1) {
11840: REG16(AX) = 0x02;
11841: m_CF = 1;
11842: break;
11843: }
11844: int size = _read(fd, file_buffer, sizeof(file_buffer));
11845: _close(fd);
11846:
11847: UINT16 *overlay = (UINT16 *)param;
11848:
11849: // check exe header
11850: exe_header_t *header = (exe_header_t *)file_buffer;
11851: int header_size = 0;
11852: if(header->mz == 0x4d5a || header->mz == 0x5a4d) {
11853: header_size = header->header_size * 16;
11854: // relocation
11855: int start_seg = overlay[1];
11856: for(int i = 0; i < header->relocations; i++) {
11857: int ofs = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 0);
11858: int seg = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 2);
11859: *(UINT16 *)(file_buffer + header_size + (seg << 4) + ofs) += start_seg;
11860: }
11861: }
11862: memcpy(mem + (overlay[0] << 4), file_buffer + header_size, size - header_size);
11863: }
11864: break;
1.1.1.48 root 11865: case 0x04:
11866: // Load And Execute In Background (European MS-DOS 4.0 only)
11867: // case 0x05:
11868: // // DOS 5+ - Set Execution State
11869: case 0x80:
11870: // DR DOS v3.41 - Run Already-Loaded Kernel File
11871: case 0xf0:
11872: case 0xf1:
11873: // DIET v1.10+
1.1.1.43 root 11874: case 0xfd:
11875: case 0xfe:
11876: // unknown function called in FreeCOM
11877: REG16(AX) = 0x01;
11878: m_CF = 1;
11879: break;
1.1 root 11880: default:
1.1.1.22 root 11881: unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1 root 11882: REG16(AX) = 0x01;
1.1.1.3 root 11883: m_CF = 1;
1.1 root 11884: break;
11885: }
11886: }
11887:
11888: inline void msdos_int_21h_4ch()
11889: {
11890: msdos_process_terminate(current_psp, REG8(AL), 1);
11891: }
11892:
11893: inline void msdos_int_21h_4dh()
11894: {
11895: REG16(AX) = retval;
11896: }
11897:
11898: inline void msdos_int_21h_4eh()
11899: {
11900: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 11901: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
11902: find_t *find = (find_t *)(mem + dta_laddr);
1.1.1.45 root 11903: const char *path = msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 11904: WIN32_FIND_DATA fd;
11905:
1.1.1.14 root 11906: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, LFN_DTA_LADDR);
11907: find->find_magic = FIND_MAGIC;
11908: find->dta_index = dtainfo - dtalist;
1.1 root 11909: strcpy(process->volume_label, msdos_volume_label(path));
1.1.1.14 root 11910: dtainfo->allowable_mask = REG8(CL);
11911: bool label_only = (dtainfo->allowable_mask == 8);
1.1 root 11912:
1.1.1.14 root 11913: if((dtainfo->allowable_mask & 8) && !msdos_match_volume_label(path, msdos_short_volume_label(process->volume_label))) {
11914: dtainfo->allowable_mask &= ~8;
1.1 root 11915: }
1.1.1.14 root 11916: if(!label_only && (dtainfo->find_handle = FindFirstFile(path, &fd)) != INVALID_HANDLE_VALUE) {
11917: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 11918: !msdos_find_file_has_8dot3name(&fd)) {
11919: if(!FindNextFile(dtainfo->find_handle, &fd)) {
11920: FindClose(dtainfo->find_handle);
11921: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 11922: break;
11923: }
11924: }
11925: }
1.1.1.13 root 11926: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 11927: find->attrib = (UINT8)(fd.dwFileAttributes & 0x3f);
11928: msdos_find_file_conv_local_time(&fd);
11929: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->date, &find->time);
11930: find->size = fd.nFileSizeLow;
1.1.1.13 root 11931: strcpy(find->name, msdos_short_name(&fd));
1.1 root 11932: REG16(AX) = 0;
1.1.1.14 root 11933: } else if(dtainfo->allowable_mask & 8) {
1.1 root 11934: find->attrib = 8;
11935: find->size = 0;
11936: strcpy(find->name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 11937: dtainfo->allowable_mask &= ~8;
1.1 root 11938: REG16(AX) = 0;
11939: } else {
11940: REG16(AX) = 0x12; // NOTE: return 0x02 if file path is invalid
1.1.1.3 root 11941: m_CF = 1;
1.1 root 11942: }
11943: }
11944:
11945: inline void msdos_int_21h_4fh()
11946: {
11947: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 11948: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
11949: find_t *find = (find_t *)(mem + dta_laddr);
1.1 root 11950: WIN32_FIND_DATA fd;
11951:
1.1.1.14 root 11952: if(find->find_magic != FIND_MAGIC || find->dta_index >= MAX_DTAINFO) {
11953: REG16(AX) = 0x12;
11954: m_CF = 1;
11955: return;
11956: }
11957: dtainfo_t *dtainfo = &dtalist[find->dta_index];
1.1.1.13 root 11958: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
11959: if(FindNextFile(dtainfo->find_handle, &fd)) {
1.1.1.14 root 11960: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 11961: !msdos_find_file_has_8dot3name(&fd)) {
11962: if(!FindNextFile(dtainfo->find_handle, &fd)) {
11963: FindClose(dtainfo->find_handle);
11964: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 11965: break;
11966: }
11967: }
11968: } else {
1.1.1.13 root 11969: FindClose(dtainfo->find_handle);
11970: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 11971: }
11972: }
1.1.1.13 root 11973: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 11974: find->attrib = (UINT8)(fd.dwFileAttributes & 0x3f);
11975: msdos_find_file_conv_local_time(&fd);
11976: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->date, &find->time);
11977: find->size = fd.nFileSizeLow;
1.1.1.13 root 11978: strcpy(find->name, msdos_short_name(&fd));
1.1 root 11979: REG16(AX) = 0;
1.1.1.14 root 11980: } else if(dtainfo->allowable_mask & 8) {
1.1 root 11981: find->attrib = 8;
11982: find->size = 0;
11983: strcpy(find->name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 11984: dtainfo->allowable_mask &= ~8;
1.1 root 11985: REG16(AX) = 0;
11986: } else {
11987: REG16(AX) = 0x12;
1.1.1.3 root 11988: m_CF = 1;
1.1 root 11989: }
11990: }
11991:
11992: inline void msdos_int_21h_50h()
11993: {
1.1.1.8 root 11994: if(current_psp != REG16(BX)) {
11995: process_t *process = msdos_process_info_get(current_psp);
11996: if(process != NULL) {
11997: process->psp = REG16(BX);
11998: }
11999: current_psp = REG16(BX);
1.1.1.23 root 12000: msdos_sda_update(current_psp);
1.1.1.8 root 12001: }
1.1 root 12002: }
12003:
12004: inline void msdos_int_21h_51h()
12005: {
12006: REG16(BX) = current_psp;
12007: }
12008:
12009: inline void msdos_int_21h_52h()
12010: {
1.1.1.25 root 12011: SREG(ES) = DOS_INFO_TOP >> 4;
1.1.1.3 root 12012: i386_load_segment_descriptor(ES);
1.1.1.25 root 12013: REG16(BX) = offsetof(dos_info_t, first_dpb);
1.1 root 12014: }
12015:
1.1.1.43 root 12016: inline void msdos_int_21h_53h()
12017: {
12018: dpb_t *dpb = (dpb_t *)(mem + SREG_BASE(ES) + REG16(BP));
12019: bpb_t *bpb = (bpb_t *)(mem + SREG_BASE(DS) + REG16(SI));
12020:
12021: dpb->bytes_per_sector = bpb->bytes_per_sector;
12022: dpb->highest_sector_num = bpb->sectors_per_track - 1;
12023: dpb->shift_count = 0;
12024: dpb->reserved_sectors = 0;
12025: dpb->fat_num = bpb->fat_num;
12026: dpb->root_entries = bpb->root_entries;
12027: dpb->first_data_sector = 0;
12028: if(bpb->sectors_per_cluster != 0) {
12029: dpb->highest_cluster_num = (UINT16)(((REG16(CX) == 0x4558 && bpb->total_sectors == 0) ? bpb->ext_total_sectors : bpb->total_sectors) / bpb->sectors_per_cluster + 1);
12030: } else {
12031: dpb->highest_cluster_num = 0;
12032: }
12033: dpb->sectors_per_fat = (REG16(CX) == 0x4558 && bpb->sectors_per_fat == 0) ? bpb->ext_sectors_per_fat : bpb->sectors_per_fat;
12034: dpb->first_dir_sector = 0;
12035: dpb->device_driver_header = 0;
12036: dpb->media_type = bpb->media_type;
12037: dpb->drive_accessed = 0;
12038: dpb->next_dpb_ofs = 0xffff;
12039: dpb->next_dpb_seg = 0xffff;
12040: dpb->first_free_cluster = 0;
12041: dpb->free_clusters = 0xffff;
12042: }
12043:
1.1 root 12044: inline void msdos_int_21h_54h()
12045: {
12046: process_t *process = msdos_process_info_get(current_psp);
12047:
12048: REG8(AL) = process->verify;
12049: }
12050:
12051: inline void msdos_int_21h_55h()
12052: {
12053: psp_t *psp = (psp_t *)(mem + (REG16(DX) << 4));
12054:
12055: memcpy(mem + (REG16(DX) << 4), mem + (current_psp << 4), sizeof(psp_t));
12056: psp->int_22h.dw = *(UINT32 *)(mem + 4 * 0x22);
12057: psp->int_23h.dw = *(UINT32 *)(mem + 4 * 0x23);
12058: psp->int_24h.dw = *(UINT32 *)(mem + 4 * 0x24);
12059: psp->parent_psp = current_psp;
12060: }
12061:
12062: inline void msdos_int_21h_56h(int lfn)
12063: {
12064: char src[MAX_PATH], dst[MAX_PATH];
1.1.1.3 root 12065: strcpy(src, msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn));
12066: strcpy(dst, msdos_trimmed_path((char *)(mem + SREG_BASE(ES) + REG16(DI)), lfn));
1.1 root 12067:
12068: if(rename(src, dst)) {
12069: REG16(AX) = errno;
1.1.1.3 root 12070: m_CF = 1;
1.1 root 12071: }
12072: }
12073:
12074: inline void msdos_int_21h_57h()
12075: {
12076: FILETIME time, local;
1.1.1.14 root 12077: FILETIME *ctime, *atime, *mtime;
1.1.1.21 root 12078: HANDLE hHandle;
1.1 root 12079:
1.1.1.21 root 12080: if((hHandle = (HANDLE)_get_osfhandle(REG16(BX))) == INVALID_HANDLE_VALUE) {
1.1.1.14 root 12081: REG16(AX) = (UINT16)GetLastError();
12082: m_CF = 1;
12083: return;
12084: }
12085: ctime = atime = mtime = NULL;
12086:
1.1 root 12087: switch(REG8(AL)) {
12088: case 0x00:
1.1.1.6 root 12089: case 0x01:
1.1.1.14 root 12090: mtime = &time;
1.1.1.6 root 12091: break;
12092: case 0x04:
12093: case 0x05:
1.1.1.14 root 12094: atime = &time;
1.1 root 12095: break;
1.1.1.6 root 12096: case 0x06:
12097: case 0x07:
1.1.1.14 root 12098: ctime = &time;
12099: break;
12100: default:
1.1.1.22 root 12101: unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.14 root 12102: REG16(AX) = 0x01;
12103: m_CF = 1;
12104: return;
12105: }
12106: if(REG8(AL) & 1) {
1.1 root 12107: DosDateTimeToFileTime(REG16(DX), REG16(CX), &local);
12108: LocalFileTimeToFileTime(&local, &time);
1.1.1.21 root 12109: if(!SetFileTime(hHandle, ctime, atime, mtime)) {
1.1 root 12110: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 12111: m_CF = 1;
1.1 root 12112: }
1.1.1.14 root 12113: } else {
1.1.1.21 root 12114: if(!GetFileTime(hHandle, ctime, atime, mtime)) {
1.1.1.14 root 12115: // assume a device and use the current time
12116: GetSystemTimeAsFileTime(&time);
12117: }
12118: FileTimeToLocalFileTime(&time, &local);
12119: FileTimeToDosDateTime(&local, ®16(DX), ®16(CX));
1.1 root 12120: }
12121: }
12122:
12123: inline void msdos_int_21h_58h()
12124: {
12125: switch(REG8(AL)) {
12126: case 0x00:
1.1.1.7 root 12127: REG16(AX) = malloc_strategy;
12128: break;
12129: case 0x01:
1.1.1.24 root 12130: // switch(REG16(BX)) {
12131: switch(REG8(BL)) {
1.1.1.7 root 12132: case 0x0000:
12133: case 0x0001:
12134: case 0x0002:
12135: case 0x0040:
12136: case 0x0041:
12137: case 0x0042:
12138: case 0x0080:
12139: case 0x0081:
12140: case 0x0082:
12141: malloc_strategy = REG16(BX);
1.1.1.23 root 12142: msdos_sda_update(current_psp);
1.1.1.7 root 12143: break;
12144: default:
1.1.1.22 root 12145: unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.7 root 12146: REG16(AX) = 0x01;
12147: m_CF = 1;
12148: break;
12149: }
12150: break;
12151: case 0x02:
1.1.1.19 root 12152: REG8(AL) = msdos_mem_get_umb_linked() ? 1 : 0;
1.1.1.7 root 12153: break;
12154: case 0x03:
1.1.1.24 root 12155: // switch(REG16(BX)) {
12156: switch(REG8(BL)) {
1.1.1.7 root 12157: case 0x0000:
1.1.1.19 root 12158: msdos_mem_unlink_umb();
12159: break;
1.1.1.7 root 12160: case 0x0001:
1.1.1.19 root 12161: msdos_mem_link_umb();
1.1.1.7 root 12162: break;
12163: default:
1.1.1.22 root 12164: unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.7 root 12165: REG16(AX) = 0x01;
12166: m_CF = 1;
12167: break;
12168: }
1.1 root 12169: break;
12170: default:
1.1.1.22 root 12171: unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1 root 12172: REG16(AX) = 0x01;
1.1.1.3 root 12173: m_CF = 1;
1.1 root 12174: break;
12175: }
12176: }
12177:
12178: inline void msdos_int_21h_59h()
12179: {
1.1.1.47 root 12180: if(REG16(BX) == 0x0000) {
12181: sda_t *sda = (sda_t *)(mem + SDA_TOP);
12182:
12183: REG16(AX) = sda->extended_error_code;
12184: REG8(BH) = sda->error_class;
12185: REG8(BL) = sda->suggested_action;
12186: REG8(CH) = sda->locus_of_last_error;
12187: // XXX: GW-BASIC 3.23 invites the registers contents of CL, DX, SI, DI, DS, and ES are not destroyed
12188: if(sda->int21h_5d0ah_called != 0) {
12189: REG8(CL) = sda->int21h_5d0ah_cl;
12190: REG16(DX) = sda->int21h_5d0ah_dx;
12191: // REG16(SI) = sda->int21h_5d0ah_si;
12192: REG16(DI) = sda->last_error_pointer.w.l;
12193: // SREG(DS) = sda->int21h_5d0ah_ds;
12194: // i386_load_segment_descriptor(DS);
12195: SREG(ES) = sda->last_error_pointer.w.h;
12196: i386_load_segment_descriptor(ES);
12197: }
12198: sda->int21h_5d0ah_called = 0;
12199: // } else if(REG16(BX) == 0x0001) {
12200: // // European MS-DOS 4.0 - Get Hard Error Information
12201: } else {
12202: unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
12203: REG16(AX) = 0x01;
12204: m_CF = 1;
12205: }
1.1 root 12206: }
12207:
12208: inline void msdos_int_21h_5ah()
12209: {
1.1.1.3 root 12210: char *path = (char *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 12211: int len = strlen(path);
12212: char tmp[MAX_PATH];
12213:
12214: if(GetTempFileName(path, "TMP", 0, tmp)) {
12215: int fd = _open(tmp, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
12216:
12217: SetFileAttributes(tmp, msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY);
12218: REG16(AX) = fd;
12219: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_drive_number(path), current_psp);
1.1.1.20 root 12220: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 12221:
12222: strcpy(path, tmp);
12223: int dx = REG16(DX) + len;
1.1.1.3 root 12224: int ds = SREG(DS);
1.1 root 12225: while(dx > 0xffff) {
12226: dx -= 0x10;
12227: ds++;
12228: }
12229: REG16(DX) = dx;
1.1.1.3 root 12230: SREG(DS) = ds;
12231: i386_load_segment_descriptor(DS);
1.1 root 12232: } else {
12233: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 12234: m_CF = 1;
1.1 root 12235: }
12236: }
12237:
12238: inline void msdos_int_21h_5bh()
12239: {
1.1.1.45 root 12240: const char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 12241:
1.1.1.45 root 12242: // if(msdos_is_existing_file(path)) {
12243: if(msdos_is_device_path(path) || msdos_is_existing_file(path)) {
1.1 root 12244: // already exists
12245: REG16(AX) = 0x50;
1.1.1.3 root 12246: m_CF = 1;
1.1 root 12247: } else {
12248: int fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
12249:
12250: if(fd != -1) {
12251: SetFileAttributes(path, msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY);
12252: REG16(AX) = fd;
12253: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_drive_number(path), current_psp);
1.1.1.20 root 12254: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 12255: } else {
12256: REG16(AX) = errno;
1.1.1.3 root 12257: m_CF = 1;
1.1 root 12258: }
12259: }
12260: }
12261:
12262: inline void msdos_int_21h_5ch()
12263: {
12264: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 12265: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 12266:
1.1.1.20 root 12267: if(fd < process->max_files && file_handler[fd].valid) {
1.1 root 12268: if(REG8(AL) == 0 || REG8(AL) == 1) {
1.1.1.35 root 12269: static const int modes[2] = {_LK_LOCK, _LK_UNLCK};
1.1.1.20 root 12270: UINT32 pos = _tell(fd);
12271: _lseek(fd, (REG16(CX) << 16) | REG16(DX), SEEK_SET);
12272: if(_locking(fd, modes[REG8(AL)], (REG16(SI) << 16) | REG16(DI))) {
1.1 root 12273: REG16(AX) = errno;
1.1.1.3 root 12274: m_CF = 1;
1.1 root 12275: }
1.1.1.20 root 12276: _lseek(fd, pos, SEEK_SET);
1.1.1.26 root 12277:
1.1 root 12278: // some seconds may be passed in _locking()
1.1.1.35 root 12279: REQUEST_HARDWRE_UPDATE();
1.1 root 12280: } else {
12281: REG16(AX) = 0x01;
1.1.1.3 root 12282: m_CF = 1;
1.1 root 12283: }
12284: } else {
12285: REG16(AX) = 0x06;
1.1.1.3 root 12286: m_CF = 1;
1.1 root 12287: }
12288: }
12289:
1.1.1.22 root 12290: inline void msdos_int_21h_5dh()
12291: {
12292: switch(REG8(AL)) {
1.1.1.45 root 12293: case 0x00:
12294: if(*(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x12) == 0x0000) {
12295: // current system
12296: static bool reenter = false;
12297: if(!reenter) {
12298: UINT32 offset = SREG_BASE(DS) + REG16(DX);
12299: REG16(AX) = *(UINT16 *)(mem + offset + 0x00);
12300: REG16(BX) = *(UINT16 *)(mem + offset + 0x02);
12301: REG16(CX) = *(UINT16 *)(mem + offset + 0x04);
12302: REG16(DX) = *(UINT16 *)(mem + offset + 0x06);
12303: REG16(SI) = *(UINT16 *)(mem + offset + 0x08);
12304: REG16(DI) = *(UINT16 *)(mem + offset + 0x0a);
12305: SREG(DS) = *(UINT16 *)(mem + offset + 0x0c);
12306: SREG(ES) = *(UINT16 *)(mem + offset + 0x0e);
12307: i386_load_segment_descriptor(DS);
12308: i386_load_segment_descriptor(ES);
12309: reenter = true;
12310: try {
12311: msdos_syscall(0x21);
12312: } catch(...) {
12313: }
12314: reenter = false;
12315: }
12316: } else {
12317: REG16(AX) = 0x49; // network software not installed
12318: m_CF = 1;
12319: }
12320: break;
1.1.1.22 root 12321: case 0x06: // get address of dos swappable data area
1.1.1.23 root 12322: SREG(DS) = (SDA_TOP >> 4);
12323: i386_load_segment_descriptor(DS);
12324: REG16(SI) = offsetof(sda_t, crit_error_flag);
12325: REG16(CX) = 0x80;
12326: REG16(DX) = 0x1a;
12327: break;
1.1.1.45 root 12328: case 0x07: // get redirected printer mode
12329: case 0x08: // set redirected printer mode
12330: case 0x09: // flush redirected printer output
12331: REG16(AX) = 0x49; // network software not installed
12332: m_CF = 1;
12333: break;
1.1.1.43 root 12334: case 0x0a: // set extended error information
12335: {
12336: sda_t *sda = (sda_t *)(mem + SDA_TOP);
1.1.1.47 root 12337: sda->int21h_5d0ah_called = 1;
1.1.1.43 root 12338: sda->extended_error_code = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x00); // AX
1.1.1.47 root 12339: // XXX: which one is correct ???
12340: #if 1
12341: // Ralf Brown's Interrupt List and DR-DOS System and Programmer's Guide
1.1.1.43 root 12342: sda->suggested_action = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x02); // BL
12343: sda->error_class = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x03); // BH
1.1.1.47 root 12344: sda->int21h_5d0ah_cl = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x04); // CL
1.1.1.43 root 12345: sda->locus_of_last_error = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x05); // CH
1.1.1.47 root 12346: #else
12347: // PC DOS 7 Technical Update
12348: sda->error_class = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x02); // BH
12349: sda->suggested_action = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x03); // BL
12350: sda->locus_of_last_error = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x04); // CH
12351: sda->int21h_5d0ah_cl = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x05); // CL
12352: #endif
12353: sda->int21h_5d0ah_dx = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x06); // DX
12354: // sda->int21h_5d0ah_si = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x08); // SI
1.1.1.43 root 12355: sda->last_error_pointer.w.l = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0a); // DI
1.1.1.47 root 12356: // sda->int21h_5d0ah_ds = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0c); // DS
1.1.1.43 root 12357: sda->last_error_pointer.w.h = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0e); // ES
12358: }
12359: break;
1.1.1.23 root 12360: case 0x0b: // get dos swappable data areas
1.1.1.22 root 12361: REG16(AX) = 0x01;
12362: m_CF = 1;
12363: break;
12364: default:
12365: unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
12366: REG16(AX) = 0x01;
12367: m_CF = 1;
12368: break;
12369: }
12370: }
12371:
1.1.1.42 root 12372: inline void msdos_int_21h_5eh()
12373: {
12374: switch(REG8(AL)) {
12375: case 0x00:
12376: {
12377: char name[256] = {0};
12378: DWORD dwSize = 256;
12379:
12380: if(GetComputerName(name, &dwSize)) {
12381: char *dest = (char *)(mem + SREG_BASE(DS) + REG16(DX));
12382: for(int i = 0; i < 15; i++) {
12383: dest[i] = (i < strlen(name)) ? name[i] : ' ';
12384: }
12385: dest[15] = '\0';
12386: REG8(CH) = 0x01; // nonzero valid
12387: REG8(CL) = 0x01; // NetBIOS number for machine name ???
12388: } else {
12389: REG16(AX) = 0x01;
12390: m_CF = 1;
12391: }
12392: }
12393: break;
12394: default:
1.1.1.45 root 12395: // unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
12396: // REG16(AX) = 0x01;
12397: REG16(AX) = 0x49; // network software not installed
1.1.1.42 root 12398: m_CF = 1;
12399: break;
12400: }
12401: }
12402:
1.1.1.30 root 12403: inline void msdos_int_21h_5fh()
12404: {
12405: switch(REG8(AL)) {
1.1.1.42 root 12406: case 0x05:
1.1.1.44 root 12407: REG16(BP) = 0;
12408: for(int i = 0; i < 26; i++) {
12409: if(msdos_is_remote_drive(i)) {
12410: REG16(BP)++;
1.1.1.42 root 12411: }
12412: }
1.1.1.30 root 12413: case 0x02:
1.1.1.44 root 12414: for(int i = 0, index = 0; i < 26; i++) {
12415: if(msdos_is_remote_drive(i)) {
12416: if(index == REG16(BX)) {
12417: char volume[] = "A:";
1.1.1.30 root 12418: volume[0] = 'A' + i;
1.1.1.44 root 12419: DWORD dwSize = 128;
12420: strcpy((char *)(mem + SREG_BASE(DS) + REG16(SI)), volume);
12421: WNetGetConnection(volume, (char *)(mem + SREG_BASE(ES) + REG16(DI)), &dwSize);
12422: REG8(BH) = 0x00; // valid
12423: REG8(BL) = 0x04; // disk drive
12424: REG16(CX) = 0x00; // LANtastic
12425: return;
1.1.1.30 root 12426: }
1.1.1.44 root 12427: index++;
1.1.1.30 root 12428: }
12429: }
12430: REG16(AX) = 0x12; // no more files
12431: m_CF = 1;
12432: break;
1.1.1.44 root 12433: case 0x07:
12434: if(msdos_is_valid_drive(REG8(DL))) {
12435: msdos_cds_update(REG8(DL));
12436: } else {
12437: REG16(AX) = 0x0f; // invalid drive
12438: m_CF = 1;
12439: }
12440: break;
12441: case 0x08:
12442: if(msdos_is_valid_drive(REG8(DL))) {
12443: cds_t *cds = (cds_t *)(mem + CDS_TOP + 88 * REG8(DL));
12444: cds->drive_attrib = 0x0000;
12445: } else {
12446: REG16(AX) = 0x0f; // invalid drive
12447: m_CF = 1;
12448: }
12449: break;
1.1.1.30 root 12450: default:
1.1.1.45 root 12451: // unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
12452: // REG16(AX) = 0x01;
12453: REG16(AX) = 0x49; // network software not installed
1.1.1.30 root 12454: m_CF = 1;
12455: break;
12456: }
12457: }
12458:
1.1 root 12459: inline void msdos_int_21h_60h(int lfn)
12460: {
1.1.1.45 root 12461: char full[MAX_PATH];
12462: const char *path = NULL;
1.1.1.14 root 12463:
1.1 root 12464: if(lfn) {
1.1.1.14 root 12465: char *name;
12466: *full = '\0';
1.1.1.3 root 12467: GetFullPathName((char *)(mem + SREG_BASE(DS) + REG16(SI)), MAX_PATH, full, &name);
1.1.1.14 root 12468: switch(REG8(CL)) {
12469: case 1:
12470: GetShortPathName(full, full, MAX_PATH);
12471: my_strupr(full);
12472: break;
12473: case 2:
12474: GetLongPathName(full, full, MAX_PATH);
12475: break;
12476: }
12477: path = full;
12478: } else {
12479: path = msdos_short_full_path((char *)(mem + SREG_BASE(DS) + REG16(SI)));
12480: }
12481: if(*path != '\0') {
12482: strcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), path);
1.1 root 12483: } else {
1.1.1.14 root 12484: REG16(AX) = (UINT16)GetLastError();
12485: m_CF = 1;
1.1 root 12486: }
12487: }
12488:
12489: inline void msdos_int_21h_61h()
12490: {
12491: REG8(AL) = 0;
12492: }
12493:
12494: inline void msdos_int_21h_62h()
12495: {
12496: REG16(BX) = current_psp;
12497: }
12498:
12499: inline void msdos_int_21h_63h()
12500: {
12501: switch(REG8(AL)) {
12502: case 0x00:
1.1.1.3 root 12503: SREG(DS) = (DBCS_TABLE >> 4);
12504: i386_load_segment_descriptor(DS);
1.1 root 12505: REG16(SI) = (DBCS_TABLE & 0x0f);
12506: REG8(AL) = 0x00;
12507: break;
1.1.1.22 root 12508: case 0x01: // set korean input mode
12509: case 0x02: // get korean input mode
12510: REG8(AL) = 0xff; // not supported
12511: break;
1.1 root 12512: default:
1.1.1.22 root 12513: unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1 root 12514: REG16(AX) = 0x01;
1.1.1.3 root 12515: m_CF = 1;
1.1 root 12516: break;
12517: }
12518: }
12519:
1.1.1.25 root 12520: UINT16 get_extended_country_info(UINT8 func)
1.1 root 12521: {
1.1.1.25 root 12522: switch(func) {
1.1.1.17 root 12523: case 0x01:
12524: if(REG16(CX) >= 5) {
1.1.1.19 root 12525: UINT8 data[1 + 2 + 2 + 2 + sizeof(country_info_t)];
1.1.1.17 root 12526: if(REG16(CX) > sizeof(data)) // cx = actual transfer size
12527: REG16(CX) = sizeof(data);
12528: ZeroMemory(data, sizeof(data));
12529: data[0] = 0x01;
12530: *(UINT16 *)(data + 1) = REG16(CX) - 3;
1.1.1.19 root 12531: *(UINT16 *)(data + 3) = get_country_info((country_info_t*)(data + 7));
1.1.1.17 root 12532: *(UINT16 *)(data + 5) = active_code_page;
12533: memcpy(mem + SREG_BASE(ES) + REG16(DI), data, REG16(CX));
1.1.1.25 root 12534: // REG16(AX) = active_code_page;
1.1.1.17 root 12535: } else {
1.1.1.25 root 12536: return(0x08); // insufficient memory
1.1.1.17 root 12537: }
12538: break;
12539: case 0x02:
12540: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x02;
12541: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (UPPERTABLE_TOP & 0x0f);
12542: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (UPPERTABLE_TOP >> 4);
1.1.1.25 root 12543: // REG16(AX) = active_code_page;
1.1.1.17 root 12544: REG16(CX) = 0x05;
12545: break;
1.1.1.23 root 12546: case 0x03:
12547: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x02;
12548: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (LOWERTABLE_TOP & 0x0f);
12549: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (LOWERTABLE_TOP >> 4);
1.1.1.25 root 12550: // REG16(AX) = active_code_page;
1.1.1.23 root 12551: REG16(CX) = 0x05;
12552: break;
1.1.1.17 root 12553: case 0x04:
12554: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x04;
12555: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (FILENAME_UPPERTABLE_TOP & 0x0f);
12556: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (FILENAME_UPPERTABLE_TOP >> 4);
1.1.1.25 root 12557: // REG16(AX) = active_code_page;
1.1.1.17 root 12558: REG16(CX) = 0x05;
12559: break;
12560: case 0x05:
12561: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x05;
12562: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (FILENAME_TERMINATOR_TOP & 0x0f);
12563: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (FILENAME_TERMINATOR_TOP >> 4);
1.1.1.25 root 12564: // REG16(AX) = active_code_page;
1.1.1.17 root 12565: REG16(CX) = 0x05;
12566: break;
12567: case 0x06:
12568: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x06;
12569: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (COLLATING_TABLE_TOP & 0x0f);
12570: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (COLLATING_TABLE_TOP >> 4);
1.1.1.25 root 12571: // REG16(AX) = active_code_page;
1.1.1.17 root 12572: REG16(CX) = 0x05;
12573: break;
1.1 root 12574: case 0x07:
1.1.1.3 root 12575: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x07;
12576: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (DBCS_TOP & 0x0f);
12577: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (DBCS_TOP >> 4);
1.1.1.25 root 12578: // REG16(AX) = active_code_page;
1.1 root 12579: REG16(CX) = 0x05;
12580: break;
1.1.1.25 root 12581: default:
12582: return(0x01); // function number invalid
12583: }
12584: return(0x00);
12585: }
12586:
12587: inline void msdos_int_21h_65h()
12588: {
12589: char tmp[0x10000];
12590:
12591: switch(REG8(AL)) {
1.1.1.43 root 12592: case 0x00:
12593: if(REG16(CX) >= 7) {
12594: set_country_info((country_info_t *)(mem + SREG_BASE(ES) + REG16(DI)), REG16(CX) - 7);
12595: REG16(AX) = system_code_page;
12596: } else {
12597: REG16(AX) = 0x0c;
12598: m_CF = 1;
12599: }
12600: break;
1.1.1.25 root 12601: case 0x01:
12602: case 0x02:
12603: case 0x03:
12604: case 0x04:
12605: case 0x05:
12606: case 0x06:
12607: case 0x07:
12608: {
12609: UINT16 result = get_extended_country_info(REG8(AL));
12610: if(result) {
12611: REG16(AX) = result;
12612: m_CF = 1;
12613: } else {
12614: REG16(AX) = active_code_page; // FIXME: is this correct???
12615: }
12616: }
12617: break;
1.1 root 12618: case 0x20:
1.1.1.25 root 12619: case 0xa0:
1.1.1.19 root 12620: memset(tmp, 0, sizeof(tmp));
12621: tmp[0] = REG8(DL);
1.1 root 12622: my_strupr(tmp);
12623: REG8(DL) = tmp[0];
12624: break;
12625: case 0x21:
1.1.1.25 root 12626: case 0xa1:
1.1 root 12627: memset(tmp, 0, sizeof(tmp));
1.1.1.3 root 12628: memcpy(tmp, mem + SREG_BASE(DS) + REG16(DX), REG16(CX));
1.1 root 12629: my_strupr(tmp);
1.1.1.3 root 12630: memcpy(mem + SREG_BASE(DS) + REG16(DX), tmp, REG16(CX));
1.1 root 12631: break;
12632: case 0x22:
1.1.1.25 root 12633: case 0xa2:
1.1.1.3 root 12634: my_strupr((char *)(mem + SREG_BASE(DS) + REG16(DX)));
1.1 root 12635: break;
1.1.1.25 root 12636: case 0x23:
12637: // FIXME: need to check multi-byte (kanji) charactre?
1.1.1.45 root 12638: if(REG8(DL) == 'N' || REG8(DL) == 'n' || (REG8(DL) == 0x82 && REG8(DH) == 0x6d) || (REG8(DL) == 0x82 && REG8(DH) == 0x8e)) {
1.1.1.25 root 12639: // 826dh/828eh: multi-byte (kanji) N and n
1.1.1.45 root 12640: REG16(AX) = 0x00;
12641: } else if(REG8(DL) == 'Y' || REG8(DL) == 'y' || (REG8(DL) == 0x82 && REG8(DH) == 0x78) || (REG8(DL) == 0x82 && REG8(DH) == 0x99)) {
12642: // 8278h/8299h: multi-byte (kanji) Y and y
1.1.1.25 root 12643: REG16(AX) = 0x01;
12644: } else {
12645: REG16(AX) = 0x02;
12646: }
12647: break;
1.1 root 12648: default:
1.1.1.22 root 12649: unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1 root 12650: REG16(AX) = 0x01;
1.1.1.3 root 12651: m_CF = 1;
1.1 root 12652: break;
12653: }
12654: }
12655:
12656: inline void msdos_int_21h_66h()
12657: {
12658: switch(REG8(AL)) {
12659: case 0x01:
12660: REG16(BX) = active_code_page;
12661: REG16(DX) = system_code_page;
12662: break;
12663: case 0x02:
12664: if(active_code_page == REG16(BX)) {
12665: REG16(AX) = 0xeb41;
12666: } else if(_setmbcp(REG16(BX)) == 0) {
12667: active_code_page = REG16(BX);
1.1.1.17 root 12668: msdos_nls_tables_update();
1.1 root 12669: REG16(AX) = 0xeb41;
1.1.1.32 root 12670: SetConsoleCP(active_code_page);
12671: SetConsoleOutputCP(active_code_page);
1.1 root 12672: } else {
12673: REG16(AX) = 0x25;
1.1.1.3 root 12674: m_CF = 1;
1.1 root 12675: }
12676: break;
12677: default:
1.1.1.22 root 12678: unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1 root 12679: REG16(AX) = 0x01;
1.1.1.3 root 12680: m_CF = 1;
1.1 root 12681: break;
12682: }
12683: }
12684:
12685: inline void msdos_int_21h_67h()
12686: {
12687: process_t *process = msdos_process_info_get(current_psp);
12688:
12689: if(REG16(BX) <= MAX_FILES) {
12690: process->max_files = max(REG16(BX), 20);
12691: } else {
12692: REG16(AX) = 0x08;
1.1.1.3 root 12693: m_CF = 1;
1.1 root 12694: }
12695: }
12696:
12697: inline void msdos_int_21h_68h()
12698: {
12699: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 12700: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 12701:
1.1.1.20 root 12702: if(fd < process->max_files && file_handler[fd].valid) {
12703: // fflush(_fdopen(fd, ""));
1.1 root 12704: } else {
12705: REG16(AX) = 0x06;
1.1.1.3 root 12706: m_CF = 1;
1.1 root 12707: }
12708: }
12709:
12710: inline void msdos_int_21h_69h()
12711: {
1.1.1.3 root 12712: drive_info_t *info = (drive_info_t *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 12713: char path[] = "A:\\";
12714: char volume_label[MAX_PATH];
12715: DWORD serial_number = 0;
12716: char file_system[MAX_PATH];
12717:
12718: if(REG8(BL) == 0) {
12719: path[0] = 'A' + _getdrive() - 1;
12720: } else {
12721: path[0] = 'A' + REG8(BL) - 1;
12722: }
12723:
12724: switch(REG8(AL)) {
12725: case 0x00:
12726: if(GetVolumeInformation(path, volume_label, MAX_PATH, &serial_number, NULL, NULL, file_system, MAX_PATH)) {
12727: info->info_level = 0;
12728: info->serial_number = serial_number;
12729: memset(info->volume_label, 0x20, 11);
12730: memcpy(info->volume_label, volume_label, min(strlen(volume_label), 11));
12731: memset(info->file_system, 0x20, 8);
12732: memcpy(info->file_system, file_system, min(strlen(file_system), 8));
12733: } else {
12734: REG16(AX) = errno;
1.1.1.3 root 12735: m_CF = 1;
1.1 root 12736: }
12737: break;
12738: case 0x01:
12739: REG16(AX) = 0x03;
1.1.1.3 root 12740: m_CF = 1;
1.1.1.45 root 12741: break;
12742: default:
12743: unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
12744: REG16(AX) = 0x01;
12745: m_CF = 1;
12746: break;
1.1 root 12747: }
12748: }
12749:
12750: inline void msdos_int_21h_6ah()
12751: {
12752: REG8(AH) = 0x68;
12753: msdos_int_21h_68h();
12754: }
12755:
12756: inline void msdos_int_21h_6bh()
12757: {
1.1.1.45 root 12758: REG8(AL) = 0x00;
1.1 root 12759: }
12760:
12761: inline void msdos_int_21h_6ch(int lfn)
12762: {
1.1.1.45 root 12763: const char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(SI)), lfn);
1.1 root 12764: int mode = REG8(BL) & 0x03;
12765:
12766: if(mode < 0x03) {
1.1.1.29 root 12767: if(msdos_is_device_path(path) || msdos_is_existing_file(path)) {
1.1 root 12768: // file exists
12769: if(REG8(DL) & 1) {
1.1.1.37 root 12770: int fd = -1;
12771: int sio_port = 0;
12772: int lpt_port = 0;
1.1 root 12773:
1.1.1.45 root 12774: if(msdos_is_device_path(path)) {
12775: fd = msdos_open_device(path, file_mode[mode].mode, &sio_port, &lpt_port);
1.1.1.11 root 12776: } else {
1.1.1.13 root 12777: fd = msdos_open(path, file_mode[mode].mode);
1.1.1.11 root 12778: }
1.1 root 12779: if(fd != -1) {
12780: REG16(AX) = fd;
12781: REG16(CX) = 1;
1.1.1.45 root 12782: msdos_file_handler_open(fd, path, _isatty(fd), mode, msdos_device_info(path), current_psp, sio_port, lpt_port);
1.1.1.20 root 12783: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 12784: } else {
12785: REG16(AX) = errno;
1.1.1.3 root 12786: m_CF = 1;
1.1 root 12787: }
12788: } else if(REG8(DL) & 2) {
12789: int attr = GetFileAttributes(path);
1.1.1.37 root 12790: int fd = -1;
12791: int sio_port = 0;
12792: int lpt_port = 0;
1.1 root 12793:
1.1.1.45 root 12794: if(msdos_is_device_path(path)) {
12795: fd = msdos_open_device(path, file_mode[mode].mode, &sio_port, &lpt_port);
1.1 root 12796: } else {
12797: fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
12798: }
12799: if(fd != -1) {
12800: if(attr == -1) {
12801: attr = msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY;
12802: }
12803: SetFileAttributes(path, attr);
12804: REG16(AX) = fd;
12805: REG16(CX) = 3;
1.1.1.45 root 12806: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_device_info(path), current_psp, sio_port, lpt_port);
1.1.1.20 root 12807: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 12808: } else {
12809: REG16(AX) = errno;
1.1.1.3 root 12810: m_CF = 1;
1.1 root 12811: }
12812: } else {
12813: REG16(AX) = 0x50;
1.1.1.3 root 12814: m_CF = 1;
1.1 root 12815: }
12816: } else {
12817: // file not exists
12818: if(REG8(DL) & 0x10) {
12819: int fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
12820:
12821: if(fd != -1) {
12822: SetFileAttributes(path, msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY);
12823: REG16(AX) = fd;
12824: REG16(CX) = 2;
12825: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_drive_number(path), current_psp);
1.1.1.20 root 12826: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 12827: } else {
12828: REG16(AX) = errno;
1.1.1.3 root 12829: m_CF = 1;
1.1 root 12830: }
12831: } else {
12832: REG16(AX) = 0x02;
1.1.1.3 root 12833: m_CF = 1;
1.1 root 12834: }
12835: }
12836: } else {
12837: REG16(AX) = 0x0c;
1.1.1.3 root 12838: m_CF = 1;
1.1 root 12839: }
12840: }
12841:
1.1.1.43 root 12842: inline void msdos_int_21h_70h()
12843: {
12844: switch(REG8(AL)) {
1.1.1.48 root 12845: case 0x00: // get ??? info
12846: case 0x01: // set above info
12847: // unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
12848: REG16(AX) = 0x7000;
12849: m_CF = 1;
12850: break;
12851: case 0x02: // set general internationalization info
1.1.1.43 root 12852: if(REG16(CX) >= 7) {
12853: active_code_page = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 5);
12854: msdos_nls_tables_update();
12855: set_country_info((country_info_t *)(mem + SREG_BASE(DS) + REG16(SI) + 7), REG16(CX) - 7);
12856: REG16(AX) = system_code_page;
12857: } else {
12858: REG16(AX) = 0x0c;
12859: m_CF = 1;
12860: }
12861: break;
12862: default:
12863: unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.48 root 12864: REG16(AX) = 0x7000;
1.1.1.43 root 12865: m_CF = 1;
12866: break;
12867: }
12868: }
12869:
1.1 root 12870: inline void msdos_int_21h_710dh()
12871: {
12872: // reset drive
12873: }
12874:
1.1.1.48 root 12875: inline void msdos_int_21h_7141h()
1.1.1.17 root 12876: {
12877: if(REG16(SI) == 0) {
1.1.1.48 root 12878: msdos_int_21h_41h(1);
1.1.1.17 root 12879: return;
12880: }
12881: if(REG16(SI) != 1) {
12882: REG16(AX) = 5;
12883: m_CF = 1;
12884: }
12885: /* wild card and matching attributes... */
12886: char tmp[MAX_PATH * 2];
12887: // copy search pathname (and quick check overrun)
12888: ZeroMemory(tmp, sizeof(tmp));
12889: tmp[MAX_PATH - 1] = '\0';
12890: tmp[MAX_PATH] = 1;
12891: strncpy(tmp, (char *)(mem + SREG_BASE(DS) + REG16(DX)), MAX_PATH);
12892:
12893: if(tmp[MAX_PATH - 1] != '\0' || tmp[MAX_PATH] != 1) {
12894: REG16(AX) = 1;
12895: m_CF = 1;
12896: return;
12897: }
12898: for(char *s = tmp; *s; ++s) {
12899: if(*s == '/') {
12900: *s = '\\';
12901: }
12902: }
12903: char *tmp_name = (char *)_mbsrchr((unsigned char *)tmp, '\\');
12904: if(tmp_name) {
12905: ++tmp_name;
12906: } else {
12907: tmp_name = strchr(tmp, ':');
12908: tmp_name = tmp_name ? tmp_name + 1 : tmp;
12909: }
12910:
12911: WIN32_FIND_DATAA fd;
12912: HANDLE fh = FindFirstFileA(tmp, &fd);
12913: if(fh == INVALID_HANDLE_VALUE) {
12914: REG16(AX) = 2;
12915: m_CF = 1;
12916: return;
12917: }
12918: do {
12919: if(msdos_find_file_check_attribute(fd.dwFileAttributes, REG8(CL), REG8(CH)) && msdos_find_file_has_8dot3name(&fd)) {
12920: strcpy(tmp_name, fd.cFileName);
1.1.1.48 root 12921: if(remove(msdos_trimmed_path(tmp, 1))) {
1.1.1.17 root 12922: REG16(AX) = 5;
12923: m_CF = 1;
12924: break;
12925: }
12926: }
12927: } while(FindNextFileA(fh, &fd));
12928: if(!m_CF) {
12929: if(GetLastError() != ERROR_NO_MORE_FILES) {
12930: m_CF = 1;
12931: REG16(AX) = 2;
12932: }
12933: }
12934: FindClose(fh);
12935: }
12936:
1.1 root 12937: inline void msdos_int_21h_714eh()
12938: {
12939: process_t *process = msdos_process_info_get(current_psp);
1.1.1.3 root 12940: find_lfn_t *find = (find_lfn_t *)(mem + SREG_BASE(ES) + REG16(DI));
12941: char *path = (char *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 12942: WIN32_FIND_DATA fd;
12943:
1.1.1.13 root 12944: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, LFN_DTA_LADDR);
12945: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
12946: FindClose(dtainfo->find_handle);
12947: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 12948: }
12949: strcpy(process->volume_label, msdos_volume_label(path));
1.1.1.14 root 12950: dtainfo->allowable_mask = REG8(CL);
12951: dtainfo->required_mask = REG8(CH);
12952: bool label_only = (dtainfo->allowable_mask == 8);
1.1 root 12953:
1.1.1.14 root 12954: if((dtainfo->allowable_mask & 8) && !msdos_match_volume_label(path, msdos_short_volume_label(process->volume_label))) {
12955: dtainfo->allowable_mask &= ~8;
1.1 root 12956: }
1.1.1.14 root 12957: if(!label_only && (dtainfo->find_handle = FindFirstFile(path, &fd)) != INVALID_HANDLE_VALUE) {
12958: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, dtainfo->required_mask)) {
1.1.1.13 root 12959: if(!FindNextFile(dtainfo->find_handle, &fd)) {
12960: FindClose(dtainfo->find_handle);
12961: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 12962: break;
12963: }
12964: }
12965: }
1.1.1.13 root 12966: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 12967: find->attrib = fd.dwFileAttributes;
12968: msdos_find_file_conv_local_time(&fd);
12969: if(REG16(SI) == 0) {
12970: find->ctime_lo.dw = fd.ftCreationTime.dwLowDateTime;
12971: find->ctime_hi.dw = fd.ftCreationTime.dwHighDateTime;
12972: find->atime_lo.dw = fd.ftLastAccessTime.dwLowDateTime;
12973: find->atime_hi.dw = fd.ftLastAccessTime.dwHighDateTime;
12974: find->mtime_lo.dw = fd.ftLastWriteTime.dwLowDateTime;
12975: find->mtime_hi.dw = fd.ftLastWriteTime.dwHighDateTime;
12976: } else {
12977: FileTimeToDosDateTime(&fd.ftCreationTime, &find->ctime_lo.w.h, &find->ctime_lo.w.l);
12978: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->atime_lo.w.h, &find->atime_lo.w.l);
12979: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->mtime_lo.w.h, &find->mtime_lo.w.l);
12980: }
12981: find->size_hi = fd.nFileSizeHigh;
12982: find->size_lo = fd.nFileSizeLow;
12983: strcpy(find->full_name, fd.cFileName);
1.1.1.13 root 12984: strcpy(find->short_name, fd.cAlternateFileName);
1.1.1.14 root 12985: REG16(AX) = dtainfo - dtalist + 1;
12986: } else if(dtainfo->allowable_mask & 8) {
1.1 root 12987: // volume label
12988: find->attrib = 8;
12989: find->size_hi = find->size_lo = 0;
12990: strcpy(find->full_name, process->volume_label);
12991: strcpy(find->short_name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 12992: dtainfo->allowable_mask &= ~8;
12993: REG16(AX) = dtainfo - dtalist + 1;
1.1 root 12994: } else {
12995: REG16(AX) = 0x12; // NOTE: return 0x02 if file path is invalid
1.1.1.3 root 12996: m_CF = 1;
1.1 root 12997: }
12998: }
12999:
13000: inline void msdos_int_21h_714fh()
13001: {
13002: process_t *process = msdos_process_info_get(current_psp);
1.1.1.3 root 13003: find_lfn_t *find = (find_lfn_t *)(mem + SREG_BASE(ES) + REG16(DI));
1.1 root 13004: WIN32_FIND_DATA fd;
13005:
1.1.1.14 root 13006: if(REG16(BX) - 1u >= MAX_DTAINFO) {
13007: REG16(AX) = 6;
1.1.1.13 root 13008: m_CF = 1;
13009: return;
13010: }
1.1.1.14 root 13011: dtainfo_t *dtainfo = &dtalist[REG16(BX) - 1];
1.1.1.13 root 13012: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
13013: if(FindNextFile(dtainfo->find_handle, &fd)) {
1.1.1.14 root 13014: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, dtainfo->required_mask)) {
1.1.1.13 root 13015: if(!FindNextFile(dtainfo->find_handle, &fd)) {
13016: FindClose(dtainfo->find_handle);
13017: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 13018: break;
13019: }
13020: }
13021: } else {
1.1.1.13 root 13022: FindClose(dtainfo->find_handle);
13023: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 13024: }
13025: }
1.1.1.13 root 13026: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 13027: find->attrib = fd.dwFileAttributes;
13028: msdos_find_file_conv_local_time(&fd);
13029: if(REG16(SI) == 0) {
13030: find->ctime_lo.dw = fd.ftCreationTime.dwLowDateTime;
13031: find->ctime_hi.dw = fd.ftCreationTime.dwHighDateTime;
13032: find->atime_lo.dw = fd.ftLastAccessTime.dwLowDateTime;
13033: find->atime_hi.dw = fd.ftLastAccessTime.dwHighDateTime;
13034: find->mtime_lo.dw = fd.ftLastWriteTime.dwLowDateTime;
13035: find->mtime_hi.dw = fd.ftLastWriteTime.dwHighDateTime;
13036: } else {
13037: FileTimeToDosDateTime(&fd.ftCreationTime, &find->ctime_lo.w.h, &find->ctime_lo.w.l);
13038: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->atime_lo.w.h, &find->atime_lo.w.l);
13039: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->mtime_lo.w.h, &find->mtime_lo.w.l);
13040: }
13041: find->size_hi = fd.nFileSizeHigh;
13042: find->size_lo = fd.nFileSizeLow;
13043: strcpy(find->full_name, fd.cFileName);
1.1.1.13 root 13044: strcpy(find->short_name, fd.cAlternateFileName);
1.1.1.14 root 13045: } else if(dtainfo->allowable_mask & 8) {
1.1 root 13046: // volume label
13047: find->attrib = 8;
13048: find->size_hi = find->size_lo = 0;
13049: strcpy(find->full_name, process->volume_label);
13050: strcpy(find->short_name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 13051: dtainfo->allowable_mask &= ~8;
1.1 root 13052: } else {
13053: REG16(AX) = 0x12;
1.1.1.3 root 13054: m_CF = 1;
1.1 root 13055: }
13056: }
13057:
13058: inline void msdos_int_21h_71a0h()
13059: {
13060: DWORD max_component_len, file_sys_flag;
13061:
1.1.1.14 root 13062: if(GetVolumeInformation((char *)(mem + SREG_BASE(DS) + REG16(DX)), NULL, 0, NULL, &max_component_len, &file_sys_flag, REG16(CX) == 0 ? NULL : (char *)(mem + SREG_BASE(ES) + REG16(DI)), REG16(CX))) {
13063: REG16(BX) = (UINT16)file_sys_flag & (FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVED_NAMES | FILE_UNICODE_ON_DISK | FILE_VOLUME_IS_COMPRESSED);
13064: REG16(BX) |= 0x4000; // supports LFN functions
1.1 root 13065: REG16(CX) = (UINT16)max_component_len; // 255
13066: REG16(DX) = (UINT16)max_component_len + 5; // 260
13067: } else {
13068: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 13069: m_CF = 1;
1.1 root 13070: }
13071: }
13072:
13073: inline void msdos_int_21h_71a1h()
13074: {
1.1.1.14 root 13075: if(REG16(BX) - 1u >= MAX_DTAINFO) {
13076: REG16(AX) = 6;
1.1.1.13 root 13077: m_CF = 1;
13078: return;
13079: }
1.1.1.14 root 13080: dtainfo_t *dtainfo = &dtalist[REG16(BX) - 1];
1.1.1.13 root 13081: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
13082: FindClose(dtainfo->find_handle);
13083: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 13084: }
13085: }
13086:
13087: inline void msdos_int_21h_71a6h()
13088: {
13089: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 13090: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
13091:
1.1.1.3 root 13092: UINT8 *buffer = (UINT8 *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 13093: struct _stat64 status;
13094: DWORD serial_number = 0;
13095:
1.1.1.20 root 13096: if(fd < process->max_files && file_handler[fd].valid) {
13097: if(_fstat64(fd, &status) == 0) {
13098: if(file_handler[fd].path[1] == ':') {
1.1 root 13099: // NOTE: we need to consider the network file path "\\host\share\"
13100: char volume[] = "A:\\";
1.1.1.20 root 13101: volume[0] = file_handler[fd].path[1];
1.1 root 13102: GetVolumeInformation(volume, NULL, 0, &serial_number, NULL, NULL, NULL, 0);
13103: }
1.1.1.20 root 13104: *(UINT32 *)(buffer + 0x00) = GetFileAttributes(file_handler[fd].path);
1.1 root 13105: *(UINT32 *)(buffer + 0x04) = (UINT32)(status.st_ctime & 0xffffffff);
13106: *(UINT32 *)(buffer + 0x08) = (UINT32)((status.st_ctime >> 32) & 0xffffffff);
13107: *(UINT32 *)(buffer + 0x0c) = (UINT32)(status.st_atime & 0xffffffff);
13108: *(UINT32 *)(buffer + 0x10) = (UINT32)((status.st_atime >> 32) & 0xffffffff);
13109: *(UINT32 *)(buffer + 0x14) = (UINT32)(status.st_mtime & 0xffffffff);
13110: *(UINT32 *)(buffer + 0x18) = (UINT32)((status.st_mtime >> 32) & 0xffffffff);
13111: *(UINT32 *)(buffer + 0x1c) = serial_number;
13112: *(UINT32 *)(buffer + 0x20) = (UINT32)((status.st_size >> 32) & 0xffffffff);
13113: *(UINT32 *)(buffer + 0x24) = (UINT32)(status.st_size & 0xffffffff);
13114: *(UINT32 *)(buffer + 0x28) = status.st_nlink;
1.1.1.14 root 13115: // this is dummy id and it will be changed when it is reopened...
1.1 root 13116: *(UINT32 *)(buffer + 0x2c) = 0;
1.1.1.20 root 13117: *(UINT32 *)(buffer + 0x30) = file_handler[fd].id;
1.1 root 13118: } else {
13119: REG16(AX) = errno;
1.1.1.3 root 13120: m_CF = 1;
1.1 root 13121: }
13122: } else {
13123: REG16(AX) = 0x06;
1.1.1.3 root 13124: m_CF = 1;
1.1 root 13125: }
13126: }
13127:
13128: inline void msdos_int_21h_71a7h()
13129: {
13130: switch(REG8(BL)) {
13131: case 0x00:
1.1.1.3 root 13132: if(!FileTimeToDosDateTime((FILETIME *)(mem + SREG_BASE(DS) + REG16(SI)), ®16(DX), ®16(CX))) {
1.1 root 13133: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 13134: m_CF = 1;
1.1 root 13135: }
13136: break;
13137: case 0x01:
13138: // NOTE: we need to check BH that shows 10-millisecond untils past time in CX
1.1.1.3 root 13139: if(!DosDateTimeToFileTime(REG16(DX), REG16(CX), (FILETIME *)(mem + SREG_BASE(ES) + REG16(DI)))) {
1.1 root 13140: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 13141: m_CF = 1;
1.1 root 13142: }
13143: break;
13144: default:
1.1.1.22 root 13145: unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.48 root 13146: REG16(AX) = 0x7100;
1.1.1.3 root 13147: m_CF = 1;
1.1 root 13148: break;
13149: }
13150: }
13151:
13152: inline void msdos_int_21h_71a8h()
13153: {
13154: if(REG8(DH) == 0) {
13155: char tmp[MAX_PATH], fcb[MAX_PATH];
1.1.1.3 root 13156: strcpy(tmp, msdos_short_path((char *)(mem + SREG_BASE(DS) + REG16(SI))));
1.1 root 13157: memset(fcb, 0x20, sizeof(fcb));
13158: int len = strlen(tmp);
1.1.1.21 root 13159: for(int i = 0, pos = 0; i < len; i++) {
1.1 root 13160: if(tmp[i] == '.') {
13161: pos = 8;
13162: } else {
13163: if(msdos_lead_byte_check(tmp[i])) {
13164: fcb[pos++] = tmp[i++];
13165: }
13166: fcb[pos++] = tmp[i];
13167: }
13168: }
1.1.1.3 root 13169: memcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), fcb, 11);
1.1 root 13170: } else {
1.1.1.3 root 13171: strcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), msdos_short_path((char *)(mem + SREG_BASE(DS) + REG16(SI))));
1.1 root 13172: }
13173: }
13174:
1.1.1.22 root 13175: inline void msdos_int_21h_71aah()
13176: {
13177: char drv[] = "A:", path[MAX_PATH];
13178: char *hoge=(char *)(mem + SREG_BASE(DS) + REG16(DX));
13179:
13180: if(REG8(BL) == 0) {
13181: drv[0] = 'A' + _getdrive() - 1;
13182: } else {
13183: drv[0] = 'A' + REG8(BL) - 1;
13184: }
13185: switch(REG8(BH)) {
13186: case 0x00:
1.1.1.44 root 13187: if(msdos_is_valid_drive((REG8(BL) ? REG8(BL) : _getdrive()) - 1)) {
13188: REG16(AX) = 0x0f; // invalid drive
13189: m_CF = 1;
13190: } else if(DefineDosDevice(0, drv, (char *)(mem + SREG_BASE(DS) + REG16(DX))) == 0) {
13191: REG16(AX) = 0x03; // path not found
1.1.1.22 root 13192: m_CF = 1;
13193: }
13194: break;
13195: case 0x01:
1.1.1.44 root 13196: if(!msdos_is_valid_drive((REG8(BL) ? REG8(BL) : _getdrive()) - 1)) {
13197: REG16(AX) = 0x0f; // invalid drive
13198: m_CF = 1;
13199: } else if(DefineDosDevice(DDD_REMOVE_DEFINITION, drv, NULL) == 0) {
1.1.1.22 root 13200: REG16(AX) = 0x0f; // invalid drive
13201: m_CF = 1;
13202: }
13203: break;
13204: case 0x02:
1.1.1.44 root 13205: if(!msdos_is_valid_drive((REG8(BL) ? REG8(BL) : _getdrive()) - 1)) {
13206: REG16(AX) = 0x0f; // invalid drive
13207: m_CF = 1;
13208: } else if(QueryDosDevice(drv, path, MAX_PATH) == 0) {
1.1.1.22 root 13209: REG16(AX) = 0x0f; // invalid drive
13210: m_CF = 1;
13211: } else if(strncmp(path, "\\??\\", 4) != 0) {
13212: REG16(AX) = 0x0f; // invalid drive
13213: m_CF = 1;
13214: } else {
13215: strcpy((char *)(mem + SREG_BASE(DS) + REG16(DX)), path + 4);
13216: }
13217: break;
13218: default:
13219: unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.48 root 13220: REG16(AX) = 0x7100;
1.1.1.22 root 13221: m_CF = 1;
13222: break;
13223: }
13224: }
13225:
1.1.1.14 root 13226: inline void msdos_int_21h_7300h()
13227: {
1.1.1.44 root 13228: REG8(AL) = REG8(CL);
13229: REG8(AH) = 0;
1.1.1.14 root 13230: }
13231:
13232: inline void msdos_int_21h_7302h()
13233: {
13234: int drive_num = (REG8(DL) == 0) ? (_getdrive() - 1) : (REG8(DL) - 1);
13235: UINT16 seg, ofs;
13236:
13237: if(REG16(CX) < 0x3f) {
13238: REG8(AL) = 0x18;
13239: m_CF = 1;
13240: } else if(!msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
13241: REG8(AL) = 0xff;
13242: m_CF = 1;
13243: } else {
13244: memcpy(mem + SREG_BASE(ES) + REG16(DI) + 2, mem + (seg << 4) + ofs, sizeof(dpb_t));
13245: }
13246: }
13247:
1.1 root 13248: inline void msdos_int_21h_7303h()
13249: {
1.1.1.3 root 13250: char *path = (char *)(mem + SREG_BASE(DS) + REG16(DX));
13251: ext_space_info_t *info = (ext_space_info_t *)(mem + SREG_BASE(ES) + REG16(DI));
1.1 root 13252: DWORD sectors_per_cluster, bytes_per_sector, free_clusters, total_clusters;
13253:
13254: if(GetDiskFreeSpace(path, §ors_per_cluster, &bytes_per_sector, &free_clusters, &total_clusters)) {
13255: info->size_of_structure = sizeof(ext_space_info_t);
13256: info->structure_version = 0;
13257: info->sectors_per_cluster = sectors_per_cluster;
13258: info->bytes_per_sector = bytes_per_sector;
13259: info->available_clusters_on_drive = free_clusters;
13260: info->total_clusters_on_drive = total_clusters;
13261: info->available_sectors_on_drive = sectors_per_cluster * free_clusters;
13262: info->total_sectors_on_drive = sectors_per_cluster * total_clusters;
13263: info->available_allocation_units = free_clusters; // ???
13264: info->total_allocation_units = total_clusters; // ???
13265: } else {
13266: REG16(AX) = errno;
1.1.1.3 root 13267: m_CF = 1;
1.1 root 13268: }
13269: }
13270:
1.1.1.30 root 13271: inline void msdos_int_21h_dbh()
13272: {
13273: // Novell NetWare - Workstation - Get Number of Local Drives
13274: dos_info_t *dos_info = (dos_info_t *)(mem + DOS_INFO_TOP);
13275: REG8(AL) = dos_info->last_drive;
13276: }
13277:
13278: inline void msdos_int_21h_dch()
13279: {
13280: // Novell NetWare - Connection Services - Get Connection Number
13281: REG8(AL) = 0x00;
13282: }
13283:
1.1.1.32 root 13284: inline void msdos_int_24h()
13285: {
13286: const char *message = NULL;
13287: int key = 0;
13288:
13289: for(int i = 0; i < array_length(critical_error_table); i++) {
13290: if(critical_error_table[i].code == (REG16(DI) & 0xff) || critical_error_table[i].code == (UINT16)-1) {
13291: if(active_code_page == 932) {
13292: message = critical_error_table[i].message_japanese;
13293: }
13294: if(message == NULL) {
13295: message = critical_error_table[i].message_english;
13296: }
13297: *(UINT8 *)(mem + WORK_TOP) = strlen(message);
13298: strcpy((char *)(mem + WORK_TOP + 1), message);
13299:
13300: SREG(ES) = WORK_TOP >> 4;
13301: i386_load_segment_descriptor(ES);
13302: REG16(DI) = 0x0000;
13303: break;
13304: }
13305: }
13306: fprintf(stderr, "\n%s", message);
13307: if(!(REG8(AH) & 0x80)) {
13308: if(REG8(AH) & 0x01) {
13309: fprintf(stderr, " %s %c", (active_code_page == 932) ? "�������ݒ� �h���C�u" : "writing drive", 'A' + REG8(AL));
13310: } else {
13311: fprintf(stderr, " %s %c", (active_code_page == 932) ? "�ǂݎ�蒆 �h���C�u" : "reading drive", 'A' + REG8(AL));
13312: }
13313: }
13314: fprintf(stderr, "\n");
13315:
1.1.1.33 root 13316: {
1.1.1.32 root 13317: fprintf(stderr, "%s", (active_code_page == 932) ? "���~ (A)" : "Abort");
1.1.1.33 root 13318: }
1.1.1.32 root 13319: if(REG8(AH) & 0x10) {
13320: fprintf(stderr, ", %s", (active_code_page == 932) ? "���s (R)" : "Retry");
13321: }
13322: if(REG8(AH) & 0x20) {
13323: fprintf(stderr, ", %s", (active_code_page == 932) ? "���� (I)" : "Ignore");
13324: }
13325: if(REG8(AH) & 0x08) {
13326: fprintf(stderr, ", %s", (active_code_page == 932) ? "���s (F)" : "Fail");
13327: }
13328: fprintf(stderr, "? ");
13329:
13330: while(1) {
13331: while(!_kbhit()) {
13332: Sleep(10);
13333: }
13334: key = _getch();
13335:
13336: if(key == 'I' || key == 'i') {
13337: if(REG8(AH) & 0x20) {
13338: REG8(AL) = 0;
13339: break;
13340: }
13341: } else if(key == 'R' || key == 'r') {
13342: if(REG8(AH) & 0x10) {
13343: REG8(AL) = 1;
13344: break;
13345: }
13346: } else if(key == 'A' || key == 'a') {
13347: REG8(AL) = 2;
13348: break;
13349: } else if(key == 'F' || key == 'f') {
13350: if(REG8(AH) & 0x08) {
13351: REG8(AL) = 3;
13352: break;
13353: }
13354: }
13355: }
13356: fprintf(stderr, "%c\n", key);
13357: }
13358:
1.1 root 13359: inline void msdos_int_25h()
13360: {
13361: UINT16 seg, ofs;
13362: DWORD dwSize;
13363:
1.1.1.3 root 13364: #if defined(HAS_I386)
13365: I386OP(pushf)();
13366: #else
13367: PREFIX86(_pushf());
13368: #endif
1.1 root 13369:
13370: if(!(REG8(AL) < 26)) {
13371: REG8(AL) = 0x01; // unit unknown
1.1.1.3 root 13372: m_CF = 1;
1.1 root 13373: } else if(!msdos_drive_param_block_update(REG8(AL), &seg, &ofs, 0)) {
13374: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 13375: m_CF = 1;
1.1 root 13376: } else {
13377: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
13378: char dev[64];
13379: sprintf(dev, "\\\\.\\%c:", 'A' + REG8(AL));
13380:
13381: HANDLE hFile = CreateFile(dev, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
13382: if(hFile == INVALID_HANDLE_VALUE) {
13383: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 13384: m_CF = 1;
1.1 root 13385: } else {
1.1.1.19 root 13386: UINT32 top_sector = REG16(DX);
13387: UINT16 sector_num = REG16(CX);
13388: UINT32 buffer_addr = SREG_BASE(DS) + REG16(BX);
13389:
13390: if(sector_num == 0xffff) {
13391: top_sector = *(UINT32 *)(mem + buffer_addr + 0);
13392: sector_num = *(UINT16 *)(mem + buffer_addr + 4);
13393: UINT16 ofs = *(UINT16 *)(mem + buffer_addr + 6);
13394: UINT16 seg = *(UINT16 *)(mem + buffer_addr + 8);
13395: buffer_addr = (seg << 4) + ofs;
13396: }
13397: // if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
13398: // REG8(AL) = 0x02; // drive not ready
13399: // m_CF = 1;
13400: // } else
13401: if(SetFilePointer(hFile, top_sector * dpb->bytes_per_sector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
1.1 root 13402: REG8(AL) = 0x08; // sector not found
1.1.1.3 root 13403: m_CF = 1;
1.1.1.19 root 13404: } else if(ReadFile(hFile, mem + buffer_addr, sector_num * dpb->bytes_per_sector, &dwSize, NULL) == 0) {
1.1 root 13405: REG8(AL) = 0x0b; // read error
1.1.1.3 root 13406: m_CF = 1;
1.1 root 13407: }
13408: CloseHandle(hFile);
13409: }
13410: }
13411: }
13412:
13413: inline void msdos_int_26h()
13414: {
1.1.1.42 root 13415: // this operation may cause serious damage for drives, so support only floppy disk...
1.1 root 13416: UINT16 seg, ofs;
13417: DWORD dwSize;
13418:
1.1.1.3 root 13419: #if defined(HAS_I386)
13420: I386OP(pushf)();
13421: #else
13422: PREFIX86(_pushf());
13423: #endif
1.1 root 13424:
13425: if(!(REG8(AL) < 26)) {
13426: REG8(AL) = 0x01; // unit unknown
1.1.1.3 root 13427: m_CF = 1;
1.1 root 13428: } else if(!msdos_drive_param_block_update(REG8(AL), &seg, &ofs, 0)) {
13429: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 13430: m_CF = 1;
1.1 root 13431: } else {
13432: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
13433: char dev[64];
13434: sprintf(dev, "\\\\.\\%c:", 'A' + REG8(AL));
13435:
13436: if(dpb->media_type == 0xf8) {
13437: // this drive is not a floppy
1.1.1.6 root 13438: // if(!(((dos_info_t *)(mem + DOS_INFO_TOP))->dos_flag & 0x40)) {
13439: // fatalerror("This application tried the absolute disk write to drive %c:\n", 'A' + REG8(AL));
13440: // }
1.1 root 13441: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 13442: m_CF = 1;
1.1 root 13443: } else {
13444: HANDLE hFile = CreateFile(dev, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
13445: if(hFile == INVALID_HANDLE_VALUE) {
13446: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 13447: m_CF = 1;
1.1 root 13448: } else {
1.1.1.19 root 13449: UINT32 top_sector = REG16(DX);
13450: UINT16 sector_num = REG16(CX);
13451: UINT32 buffer_addr = SREG_BASE(DS) + REG16(BX);
13452:
13453: if(sector_num == 0xffff) {
13454: top_sector = *(UINT32 *)(mem + buffer_addr + 0);
13455: sector_num = *(UINT16 *)(mem + buffer_addr + 4);
13456: UINT16 ofs = *(UINT16 *)(mem + buffer_addr + 6);
13457: UINT16 seg = *(UINT16 *)(mem + buffer_addr + 8);
13458: buffer_addr = (seg << 4) + ofs;
13459: }
1.1 root 13460: if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
13461: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 13462: m_CF = 1;
1.1.1.19 root 13463: } else if(SetFilePointer(hFile, top_sector * dpb->bytes_per_sector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
1.1 root 13464: REG8(AL) = 0x08; // sector not found
1.1.1.3 root 13465: m_CF = 1;
1.1.1.19 root 13466: } else if(WriteFile(hFile, mem + buffer_addr, sector_num * dpb->bytes_per_sector, &dwSize, NULL) == 0) {
1.1 root 13467: REG8(AL) = 0x0a; // write error
1.1.1.3 root 13468: m_CF = 1;
1.1 root 13469: }
13470: CloseHandle(hFile);
13471: }
13472: }
13473: }
13474: }
13475:
13476: inline void msdos_int_27h()
13477: {
1.1.1.29 root 13478: int paragraphs = (min(REG16(DX), 0xfff0) + 15) >> 4;
13479: try {
13480: msdos_mem_realloc(SREG(CS), paragraphs, NULL);
13481: } catch(...) {
13482: // recover the broken mcb
13483: int mcb_seg = SREG(CS) - 1;
13484: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1.1.33 root 13485:
1.1.1.29 root 13486: if(mcb_seg < (MEMORY_END >> 4)) {
1.1.1.33 root 13487: mcb->mz = 'M';
13488: mcb->paragraphs = (MEMORY_END >> 4) - mcb_seg - 2;
13489:
1.1.1.29 root 13490: if(((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked & 0x01) {
1.1.1.39 root 13491: msdos_mcb_create((MEMORY_END >> 4) - 1, 'M', PSP_SYSTEM, (UMB_TOP >> 4) - (MEMORY_END >> 4), "SC");
1.1.1.29 root 13492: } else {
1.1.1.39 root 13493: msdos_mcb_create((MEMORY_END >> 4) - 1, 'Z', PSP_SYSTEM, 0, "SC");
1.1.1.29 root 13494: }
13495: } else {
13496: mcb->mz = 'Z';
1.1.1.30 root 13497: mcb->paragraphs = (UMB_END >> 4) - mcb_seg - 1;
1.1.1.29 root 13498: }
13499: msdos_mem_realloc(SREG(CS), paragraphs, NULL);
13500: }
1.1.1.3 root 13501: msdos_process_terminate(SREG(CS), retval | 0x300, 0);
1.1 root 13502: }
13503:
13504: inline void msdos_int_29h()
13505: {
1.1.1.50 root 13506: msdos_putch_fast(REG8(AL));
1.1 root 13507: }
13508:
13509: inline void msdos_int_2eh()
13510: {
13511: char tmp[MAX_PATH], command[MAX_PATH], opt[MAX_PATH];
13512: memset(tmp, 0, sizeof(tmp));
1.1.1.3 root 13513: strcpy(tmp, (char *)(mem + SREG_BASE(DS) + REG16(SI)));
1.1 root 13514: char *token = my_strtok(tmp, " ");
13515: strcpy(command, token);
13516: strcpy(opt, token + strlen(token) + 1);
13517:
13518: param_block_t *param = (param_block_t *)(mem + WORK_TOP);
13519: param->env_seg = 0;
13520: param->cmd_line.w.l = 44;
13521: param->cmd_line.w.h = (WORK_TOP >> 4);
13522: param->fcb1.w.l = 24;
13523: param->fcb1.w.h = (WORK_TOP >> 4);
13524: param->fcb2.w.l = 24;
13525: param->fcb2.w.h = (WORK_TOP >> 4);
13526:
13527: memset(mem + WORK_TOP + 24, 0x20, 20);
13528:
13529: cmd_line_t *cmd_line = (cmd_line_t *)(mem + WORK_TOP + 44);
13530: cmd_line->len = strlen(opt);
13531: strcpy(cmd_line->cmd, opt);
13532: cmd_line->cmd[cmd_line->len] = 0x0d;
13533:
1.1.1.28 root 13534: try {
13535: if(msdos_process_exec(command, param, 0)) {
13536: REG16(AX) = 0xffff; // error before processing command
13537: } else {
13538: // set flag to set retval to ax when the started process is terminated
13539: process_t *process = msdos_process_info_get(current_psp);
13540: process->called_by_int2eh = true;
13541: }
13542: } catch(...) {
13543: REG16(AX) = 0xffff; // error before processing command
13544: }
1.1 root 13545: }
13546:
1.1.1.29 root 13547: inline void msdos_int_2fh_05h()
13548: {
13549: switch(REG8(AL)) {
13550: case 0x00:
1.1.1.49 root 13551: // critical error handler is installed
1.1.1.32 root 13552: REG8(AL) = 0xff;
13553: break;
13554: case 0x01:
13555: case 0x02:
13556: for(int i = 0; i < array_length(standard_error_table); i++) {
13557: if(standard_error_table[i].code == REG16(BX) || standard_error_table[i].code == (UINT16)-1) {
13558: const char *message = NULL;
13559: if(active_code_page == 932) {
13560: message = standard_error_table[i].message_japanese;
13561: }
13562: if(message == NULL) {
13563: message = standard_error_table[i].message_english;
13564: }
13565: strcpy((char *)(mem + WORK_TOP), message);
13566:
13567: SREG(ES) = WORK_TOP >> 4;
13568: i386_load_segment_descriptor(ES);
13569: REG16(DI) = 0x0000;
13570: REG8(AL) = 0x01;
13571: break;
13572: }
13573: }
1.1.1.29 root 13574: break;
13575: default:
13576: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.49 root 13577: REG16(AX) = 0x01;
1.1.1.29 root 13578: m_CF = 1;
13579: }
13580: }
13581:
1.1.1.44 root 13582: inline void msdos_int_2fh_06h()
13583: {
13584: switch(REG8(AL)) {
13585: case 0x00:
13586: // ASSIGN is not installed
1.1.1.49 root 13587: // REG8(AL) = 0x00;
1.1.1.44 root 13588: break;
13589: case 0x01:
13590: // this call is available from within MIRROR.COM even if ASSIGN is not installed
13591: REG16(AX) = 0x01;
13592: m_CF = 1;
13593: break;
13594: default:
13595: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
13596: REG16(AX) = 0x01;
13597: m_CF = 1;
13598: break;
13599: }
13600: }
13601:
1.1.1.22 root 13602: inline void msdos_int_2fh_11h()
13603: {
13604: switch(REG8(AL)) {
13605: case 0x00:
1.1.1.29 root 13606: if(i386_read_stack() == 0xdada) {
1.1.1.53 root 13607: #ifdef SUPPORT_MSCDEX
13608: // MSCDEX is installed
13609: REG8(AL) = 0xff;
13610: i386_write_stack(0xadad);
13611: #else
1.1.1.29 root 13612: // MSCDEX is not installed
13613: // REG8(AL) = 0x00;
1.1.1.53 root 13614: #endif
1.1.1.29 root 13615: } else {
13616: // Network Redirector is not installed
13617: // REG8(AL) = 0x00;
13618: }
1.1.1.22 root 13619: break;
13620: default:
1.1.1.43 root 13621: // unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.29 root 13622: REG16(AX) = 0x49; // network software not installed
1.1.1.22 root 13623: m_CF = 1;
13624: break;
13625: }
13626: }
13627:
1.1.1.21 root 13628: inline void msdos_int_2fh_12h()
13629: {
13630: switch(REG8(AL)) {
1.1.1.22 root 13631: case 0x00:
1.1.1.29 root 13632: // DOS 3.0+ internal functions are installed
1.1.1.22 root 13633: REG8(AL) = 0xff;
13634: break;
1.1.1.29 root 13635: // case 0x01: // DOS 3.0+ internal - Close Current File
13636: case 0x02:
13637: {
13638: UINT16 stack = i386_read_stack();
13639: REG16(BX) = *(UINT16 *)(mem + 4 * stack + 0);
13640: SREG(ES) = *(UINT16 *)(mem + 4 * stack + 2);
13641: i386_load_segment_descriptor(ES);
13642: }
13643: break;
1.1.1.30 root 13644: case 0x03:
13645: SREG(DS) = (DEVICE_TOP >> 4);
13646: i386_load_segment_descriptor(DS);
13647: break;
1.1.1.29 root 13648: case 0x04:
13649: {
13650: UINT16 stack = i386_read_stack();
13651: REG8(AL) = (stack == '/') ? '\\' : stack;
13652: #if defined(HAS_I386)
13653: m_ZF = (REG8(AL) == '\\');
13654: #else
13655: m_ZeroVal = (REG8(AL) != '\\');
13656: #endif
13657: }
13658: break;
13659: case 0x05:
1.1.1.49 root 13660: {
13661: UINT16 c = i386_read_stack();
13662: if((c >> 0) & 0xff) {
13663: msdos_putch((c >> 0) & 0xff);
13664: }
13665: if((c >> 8) & 0xff) {
13666: msdos_putch((c >> 8) & 0xff);
13667: }
13668: }
1.1.1.29 root 13669: break;
1.1.1.49 root 13670: // case 0x06: // DOS 3.0+ internal - Invoke Critical Error
1.1.1.29 root 13671: // case 0x07: // DOS 3.0+ internal - Make Disk Buffer Most Recentry Used
13672: // case 0x08: // DOS 3.0+ internal - Decrement SFT Reference Count
1.1.1.49 root 13673: // case 0x09: // DOS 3.0+ internal - Flush and Free Disk Buffer
1.1.1.29 root 13674: // case 0x0a: // DOS 3.0+ internal - Perform Critical Error Interrupt
13675: // case 0x0b: // DOS 3.0+ internal - Signal Sharing Violation to User
13676: // case 0x0c: // DOS 3.0+ internal - Open Device and Set SFT Owner/Mode
13677: case 0x0d:
13678: {
13679: SYSTEMTIME time;
13680: FILETIME file_time;
13681: WORD dos_date, dos_time;
13682: GetLocalTime(&time);
13683: SystemTimeToFileTime(&time, &file_time);
13684: FileTimeToDosDateTime(&file_time, &dos_date, &dos_time);
13685: REG16(AX) = dos_date;
13686: REG16(DX) = dos_time;
13687: }
13688: break;
13689: // case 0x0e: // DOS 3.0+ internal - Mark All Disk Buffers Unreferenced
13690: // case 0x0f: // DOS 3.0+ internal - Make Buffer Most Recentry Used
13691: // case 0x10: // DOS 3.0+ internal - Find Unreferenced Disk Buffer
13692: case 0x11:
13693: {
13694: char path[MAX_PATH], *p;
13695: strcpy(path, (char *)(mem + SREG_BASE(DS) + REG16(SI)));
13696: my_strupr(path);
13697: while((p = my_strchr(path, '/')) != NULL) {
13698: *p = '\\';
13699: }
13700: strcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), path);
13701: }
13702: break;
13703: case 0x12:
13704: REG16(CX) = strlen((char *)(mem + SREG_BASE(ES) + REG16(DI)));
13705: break;
13706: case 0x13:
13707: {
13708: char tmp[2] = {0};
13709: tmp[0] = i386_read_stack();
13710: my_strupr(tmp);
13711: REG8(AL) = tmp[0];
13712: }
13713: break;
13714: case 0x14:
13715: #if defined(HAS_I386)
13716: m_ZF = (SREG_BASE(DS) + REG16(SI) == SREG_BASE(ES) + REG16(DI));
13717: #else
13718: m_ZeroVal = (SREG_BASE(DS) + REG16(SI) != SREG_BASE(ES) + REG16(DI));
13719: #endif
13720: m_CF = (SREG_BASE(DS) + REG16(SI) != SREG_BASE(ES) + REG16(DI));
13721: break;
13722: // case 0x15: // DOS 3.0+ internal - Flush Buffer
1.1.1.21 root 13723: case 0x16:
13724: if(REG16(BX) < 20) {
13725: SREG(ES) = SFT_TOP >> 4;
13726: i386_load_segment_descriptor(ES);
13727: REG16(DI) = 6 + 0x3b * REG16(BX);
13728:
13729: // update system file table
13730: UINT8* sft = mem + SFT_TOP + 6 + 0x3b * REG16(BX);
13731: if(file_handler[REG16(BX)].valid) {
13732: int count = 0;
13733: for(int i = 0; i < 20; i++) {
13734: if(msdos_psp_get_file_table(i, current_psp) == REG16(BX)) {
13735: count++;
13736: }
13737: }
13738: *(UINT16 *)(sft + 0x00) = count ? count : 0xffff;
13739: *(UINT32 *)(sft + 0x15) = _tell(REG16(BX));
13740: _lseek(REG16(BX), 0, SEEK_END);
13741: *(UINT32 *)(sft + 0x11) = _tell(REG16(BX));
13742: _lseek(REG16(BX), *(UINT32 *)(sft + 0x15), SEEK_SET);
13743: } else {
13744: memset(sft, 0, 0x3b);
13745: }
13746: } else {
13747: REG16(AX) = 0x06;
13748: m_CF = 1;
13749: }
13750: break;
1.1.1.49 root 13751: case 0x17:
13752: {
13753: UINT16 drive = i386_read_stack();
13754: if(msdos_is_valid_drive(drive)) {
13755: msdos_cds_update(drive);
13756: }
13757: REG16(SI) = 88 * drive;
13758: SREG(DS) = (CDS_TOP >> 4);
13759: i386_load_segment_descriptor(DS);
13760: }
13761: break;
1.1.1.29 root 13762: // case 0x18: // DOS 3.0+ internal - Get Caller's Registers
13763: // case 0x19: // DOS 3.0+ internal - Set Drive???
13764: case 0x1a:
13765: {
13766: char *path = (char *)(mem + SREG_BASE(DS) + REG16(SI)), full[MAX_PATH];
13767: if(path[1] == ':') {
13768: if(path[0] >= 'a' && path[0] <= 'z') {
13769: REG8(AL) = path[0] - 'a' + 1;
13770: } else if(path[0] >= 'A' && path[0] <= 'Z') {
13771: REG8(AL) = path[0] - 'A' + 1;
13772: } else {
13773: REG8(AL) = 0xff; // invalid
13774: }
13775: strcpy(full, path);
13776: strcpy(path, full + 2);
13777: } else if(GetFullPathName(path, MAX_PATH, full, NULL) != 0 && full[1] == ':') {
13778: if(full[0] >= 'a' && full[0] <= 'z') {
13779: REG8(AL) = full[0] - 'a' + 1;
13780: } else if(full[0] >= 'A' && full[0] <= 'Z') {
13781: REG8(AL) = full[0] - 'A' + 1;
13782: } else {
13783: REG8(AL) = 0xff; // invalid
13784: }
13785: } else {
13786: REG8(AL) = 0x00; // default
13787: }
13788: }
13789: break;
13790: case 0x1b:
13791: {
13792: int year = REG16(CX) + 1980;
13793: REG8(AL) = ((year % 4) == 0 && (year % 100) != 0 && (year % 400) == 0) ? 29 : 28;
13794: }
13795: break;
13796: // case 0x1c: // DOS 3.0+ internal - Check Sum Memory
13797: // case 0x1d: // DOS 3.0+ internal - Sum Memory
13798: case 0x1e:
13799: {
13800: char *path_1st = (char *)(mem + SREG_BASE(DS) + REG16(SI)), full_1st[MAX_PATH];
13801: char *path_2nd = (char *)(mem + SREG_BASE(ES) + REG16(DI)), full_2nd[MAX_PATH];
13802: if(GetFullPathName(path_1st, MAX_PATH, full_1st, NULL) != 0 && GetFullPathName(path_2nd, MAX_PATH, full_2nd, NULL) != 0) {
13803: #if defined(HAS_I386)
13804: m_ZF = (strcmp(full_1st, full_2nd) == 0);
13805: #else
13806: m_ZeroVal = (strcmp(full_1st, full_2nd) != 0);
13807: #endif
13808: } else {
13809: #if defined(HAS_I386)
13810: m_ZF = (strcmp(path_1st, path_2nd) == 0);
13811: #else
13812: m_ZeroVal = (strcmp(path_1st, path_2nd) != 0);
13813: #endif
13814: }
13815: }
13816: break;
1.1.1.49 root 13817: case 0x1f:
13818: {
13819: UINT16 drive = i386_read_stack();
13820: if(msdos_is_valid_drive(drive)) {
13821: msdos_cds_update(drive);
13822: }
13823: REG16(SI) = 88 * drive;
13824: SREG(ES) = (CDS_TOP >> 4);
13825: i386_load_segment_descriptor(ES);
13826: }
13827: break;
1.1.1.21 root 13828: case 0x20:
13829: {
13830: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
13831:
13832: if(fd < 20) {
13833: SREG(ES) = current_psp;
13834: i386_load_segment_descriptor(ES);
13835: REG16(DI) = offsetof(psp_t, file_table) + fd;
13836: } else {
13837: REG16(AX) = 0x06;
13838: m_CF = 1;
13839: }
13840: }
13841: break;
1.1.1.29 root 13842: case 0x21:
13843: msdos_int_21h_60h(0);
13844: break;
1.1.1.49 root 13845: case 0x22:
13846: {
13847: sda_t *sda = (sda_t *)(mem + SDA_TOP);
13848: if(*(UINT8 *)(mem + SREG_BASE(SS) + REG16(SI) + 0x00) != 0xff) {
13849: sda->extended_error_code = *(UINT8 *)(mem + SREG_BASE(SS) + REG16(SI) + 0x00);
13850: }
13851: if(*(UINT8 *)(mem + SREG_BASE(SS) + REG16(SI) + 0x01) != 0xff) {
13852: sda->error_class = *(UINT8 *)(mem + SREG_BASE(SS) + REG16(SI) + 0x01);
13853: }
13854: if(*(UINT8 *)(mem + SREG_BASE(SS) + REG16(SI) + 0x02) != 0xff) {
13855: sda->suggested_action = *(UINT8 *)(mem + SREG_BASE(SS) + REG16(SI) + 0x02);
13856: }
13857: if(*(UINT8 *)(mem + SREG_BASE(SS) + REG16(SI) + 0x03) != 0xff) {
13858: sda->locus_of_last_error = *(UINT8 *)(mem + SREG_BASE(SS) + REG16(SI) + 0x03);
13859: }
13860: }
13861: break;
1.1.1.29 root 13862: // case 0x23: // DOS 3.0+ internal - Check If Character Device
13863: // case 0x24: // DOS 3.0+ internal - Sharing Retry Delay
13864: case 0x25:
13865: REG16(CX) = strlen((char *)(mem + SREG_BASE(DS) + REG16(SI)));
13866: break;
13867: case 0x26:
13868: REG8(AL) = REG8(CL);
13869: msdos_int_21h_3dh();
13870: break;
13871: case 0x27:
13872: msdos_int_21h_3eh();
13873: break;
13874: case 0x28:
13875: REG16(AX) = REG16(BP);
13876: msdos_int_21h_42h();
13877: break;
13878: case 0x29:
13879: msdos_int_21h_3fh();
13880: break;
13881: // case 0x2a: // DOS 3.0+ internal - Set Fast Open Entry Point
13882: case 0x2b:
13883: REG16(AX) = REG16(BP);
13884: msdos_int_21h_44h();
13885: break;
13886: case 0x2c:
13887: REG16(BX) = DEVICE_TOP >> 4;
13888: REG16(AX) = 22;
13889: break;
13890: case 0x2d:
13891: {
13892: sda_t *sda = (sda_t *)(mem + SDA_TOP);
13893: REG16(AX) = sda->extended_error_code;
13894: }
13895: break;
13896: case 0x2e:
13897: if(REG8(DL) == 0x00 || REG8(DL) == 0x02 || REG8(DL) == 0x04 || REG8(DL) == 0x06) {
1.1.1.32 root 13898: SREG(ES) = 0x0001;
13899: i386_load_segment_descriptor(ES);
13900: REG16(DI) = 0x00;
13901: } else if(REG8(DL) == 0x08) {
1.1.1.49 root 13902: // dummy parameter error message read routine is at fffc:0010
13903: SREG(ES) = DUMMY_TOP >> 4;
1.1.1.22 root 13904: i386_load_segment_descriptor(ES);
1.1.1.32 root 13905: REG16(DI) = 0x0010;
1.1.1.22 root 13906: }
13907: break;
1.1.1.29 root 13908: case 0x2f:
13909: if(REG16(DX) != 0) {
1.1.1.30 root 13910: dos_major_version = REG8(DL);
13911: dos_minor_version = REG8(DH);
1.1.1.29 root 13912: } else {
13913: REG8(DL) = 7;
13914: REG8(DH) = 10;
13915: }
13916: break;
13917: // case 0x30: // Windows95 - Find SFT Entry in Internal File Tables
13918: // case 0x31: // Windows95 - Set/Clear "Report Windows to DOS Programs" Flag
1.1.1.22 root 13919: default:
13920: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
13921: REG16(AX) = 0x01;
13922: m_CF = 1;
13923: break;
13924: }
13925: }
13926:
1.1.1.30 root 13927: inline void msdos_int_2fh_13h()
13928: {
13929: static UINT16 prevDS = 0, prevDX = 0;
13930: static UINT16 prevES = 0, prevBX = 0;
13931: UINT16 tmp;
13932:
13933: tmp = SREG(DS); SREG(DS) = prevDS; prevDS = tmp;
13934: i386_load_segment_descriptor(DS);
13935: tmp = REG16(DX); REG16(DX) = prevDX; prevDX = tmp;
13936:
13937: tmp = SREG(ES); SREG(ES) = prevES; prevES = tmp;
13938: i386_load_segment_descriptor(ES);
13939: tmp = REG16(BX); REG16(BX) = prevBX; prevBX = tmp;
13940: }
13941:
1.1.1.22 root 13942: inline void msdos_int_2fh_14h()
13943: {
13944: switch(REG8(AL)) {
13945: case 0x00:
1.1.1.29 root 13946: // NLSFUNC.COM is installed
13947: REG8(AL) = 0xff;
1.1.1.25 root 13948: break;
13949: case 0x01:
13950: case 0x03:
13951: REG8(AL) = 0x00;
13952: active_code_page = REG16(BX);
13953: msdos_nls_tables_update();
13954: break;
13955: case 0x02:
13956: REG8(AL) = get_extended_country_info(REG16(BP));
13957: break;
13958: case 0x04:
1.1.1.42 root 13959: for(int i = 0;; i++) {
13960: if(country_table[i].code == REG16(DX)) {
13961: get_country_info((country_info_t *)(mem + SREG_BASE(ES) + REG16(DI)), country_table[i].usPrimaryLanguage, country_table[i].usSubLanguage);
13962: break;
13963: } else if(country_table[i].code == -1) {
13964: get_country_info((country_info_t *)(mem + SREG_BASE(ES) + REG16(DI)));
13965: break;
13966: }
13967: }
1.1.1.25 root 13968: REG8(AL) = 0x00;
1.1.1.22 root 13969: break;
13970: default:
13971: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
13972: REG16(AX) = 0x01;
13973: m_CF = 1;
13974: break;
13975: }
13976: }
13977:
13978: inline void msdos_int_2fh_15h()
13979: {
13980: switch(REG8(AL)) {
1.1.1.29 root 13981: case 0x00: // CD-ROM - Installation Check
13982: if(REG16(BX) == 0x0000) {
1.1.1.53 root 13983: #ifdef SUPPORT_MSCDEX
1.1.1.43 root 13984: // MSCDEX is installed
13985: REG16(BX) = 0;
13986: for(int i = 0, n = 0; i < 26; i++) {
1.1.1.44 root 13987: if(msdos_is_cdrom_drive(i)) {
13988: if(REG16(BX) == 0) {
13989: REG16(CX) = i;
1.1.1.43 root 13990: }
1.1.1.44 root 13991: REG16(BX)++;
1.1.1.43 root 13992: }
13993: }
13994: #else
1.1.1.29 root 13995: // MSCDEX is not installed
13996: // REG8(AL) = 0x00;
1.1.1.43 root 13997: #endif
1.1.1.29 root 13998: } else {
13999: // GRAPHICS.COM is not installed
14000: // REG8(AL) = 0x00;
14001: }
1.1.1.22 root 14002: break;
1.1.1.43 root 14003: case 0x0b:
1.1.1.44 root 14004: // this call is available from within DOSSHELL even if MSCDEX is not installed
14005: REG16(AX) = msdos_is_cdrom_drive(REG8(CL)) ? 0x5ad8 : 0x0000;
14006: REG16(BX) = 0xadad;
1.1.1.43 root 14007: break;
14008: case 0x0d:
1.1.1.44 root 14009: for(int i = 0, n = 0; i < 26; i++) {
14010: if(msdos_is_cdrom_drive(i)) {
14011: mem[SREG_BASE(ES) + REG16(BX) + (n++)] = i;
1.1.1.43 root 14012: }
14013: }
14014: break;
1.1.1.22 root 14015: case 0xff:
1.1.1.29 root 14016: if(REG16(BX) == 0x0000) {
14017: // CORELCDX is not installed
14018: } else {
14019: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
14020: REG16(AX) = 0x01;
14021: m_CF = 1;
14022: }
1.1.1.22 root 14023: break;
1.1.1.21 root 14024: default:
1.1.1.22 root 14025: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.21 root 14026: REG16(AX) = 0x01;
14027: m_CF = 1;
14028: break;
14029: }
14030: }
14031:
1.1 root 14032: inline void msdos_int_2fh_16h()
14033: {
14034: switch(REG8(AL)) {
14035: case 0x00:
1.1.1.14 root 14036: if(no_windows) {
1.1.1.29 root 14037: // neither Windows 3.x enhanced mode nor Windows/386 2.x running
14038: // REG8(AL) = 0x00;
1.1.1.14 root 14039: } else {
1.1.1.30 root 14040: REG8(AL) = win_major_version;
14041: REG8(AH) = win_minor_version;
1.1 root 14042: }
14043: break;
1.1.1.43 root 14044: case 0x05: // Windows Enhanced Mode & 286 DOSX Init Broadcast
1.1.1.30 root 14045: // from DOSBox
14046: i386_set_a20_line(1);
14047: break;
1.1.1.49 root 14048: case 0x06: // Windows Enhanced Mode & 286 DOSX Exit Broadcast
1.1.1.43 root 14049: case 0x08: // Windows Enhanced Mode Init Complete Broadcast
14050: case 0x09: // Windows Enhanced Mode Begin Exit Broadcast
14051: break;
14052: case 0x07:
14053: // Virtual Device Call API
14054: break;
1.1.1.22 root 14055: case 0x0a:
14056: if(!no_windows) {
14057: REG16(AX) = 0x0000;
1.1.1.30 root 14058: REG8(BH) = win_major_version;
14059: REG8(BL) = win_minor_version;
1.1.1.49 root 14060: // REG16(CX) = 0x0002; // standard
1.1.1.22 root 14061: REG16(CX) = 0x0003; // enhanced
14062: }
14063: break;
1.1.1.30 root 14064: case 0x0b:
14065: // no TRS, keep ES:DI = 0000h:0000h
1.1.1.22 root 14066: case 0x0e:
14067: case 0x0f:
1.1.1.30 root 14068: case 0x10:
1.1.1.22 root 14069: case 0x11:
14070: case 0x12:
14071: case 0x13:
14072: case 0x14:
1.1.1.30 root 14073: case 0x15:
1.1.1.43 root 14074: case 0x81:
14075: case 0x82:
1.1.1.44 root 14076: case 0x84:
1.1.1.49 root 14077: case 0x85:
1.1.1.33 root 14078: case 0x86:
1.1.1.22 root 14079: case 0x87:
1.1.1.30 root 14080: case 0x89:
1.1.1.33 root 14081: case 0x8a:
1.1.1.22 root 14082: // function not supported, do not clear AX
14083: break;
1.1.1.14 root 14084: case 0x80:
14085: Sleep(10);
1.1.1.35 root 14086: REQUEST_HARDWRE_UPDATE();
1.1.1.29 root 14087: REG8(AL) = 0x00;
1.1.1.14 root 14088: break;
1.1.1.33 root 14089: case 0x83:
14090: REG16(BX) = 0x01; // system vm id
14091: break;
1.1.1.22 root 14092: case 0x8e:
14093: REG16(AX) = 0x00; // failed
14094: break;
1.1.1.20 root 14095: case 0x8f:
14096: switch(REG8(DH)) {
14097: case 0x01:
1.1.1.49 root 14098: // REG16(AX) = 0x0000; // close command selected but not yet acknowledged
14099: // REG16(AX) = 0x0001; // close command issued and acknowledged
14100: REG16(AX) = 0x168f; // close command not selected -- application should continue
14101: break;
14102: default:
14103: REG16(AX) = 0x0000; // successful
1.1.1.20 root 14104: break;
14105: }
14106: break;
1.1 root 14107: default:
1.1.1.22 root 14108: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
14109: REG16(AX) = 0x01;
14110: m_CF = 1;
14111: break;
14112: }
14113: }
14114:
14115: inline void msdos_int_2fh_19h()
14116: {
14117: switch(REG8(AL)) {
14118: case 0x00:
1.1.1.29 root 14119: // SHELLB.COM is not installed
14120: // REG8(AL) = 0x00;
1.1.1.22 root 14121: break;
14122: case 0x01:
14123: case 0x02:
14124: case 0x03:
14125: case 0x04:
14126: REG16(AX) = 0x01;
14127: m_CF = 1;
14128: break;
1.1.1.29 root 14129: case 0x80:
14130: // IBM ROM-DOS v4.0 is not installed
14131: // REG8(AL) = 0x00;
14132: break;
1.1.1.22 root 14133: default:
14134: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1 root 14135: REG16(AX) = 0x01;
1.1.1.3 root 14136: m_CF = 1;
1.1 root 14137: break;
14138: }
14139: }
14140:
14141: inline void msdos_int_2fh_1ah()
14142: {
14143: switch(REG8(AL)) {
14144: case 0x00:
1.1.1.29 root 14145: // ANSI.SYS is installed
1.1 root 14146: REG8(AL) = 0xff;
14147: break;
1.1.1.49 root 14148: case 0x01:
1.1.1.50 root 14149: if(REG8(CL) == 0x5f) {
14150: // set display information
14151: if(*(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x02) >= 14) {
14152: int cur_width = *(UINT16 *)(mem + 0x44a) + 0;
14153: int cur_height = *(UINT8 *)(mem + 0x484) + 1;
14154: int new_width = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0e); // character columns
14155: int new_height = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x10); // character rows
14156:
14157: if(cur_width != new_width || cur_height != new_height) {
14158: pcbios_set_console_size(new_width, new_height, true);
14159: }
14160: }
14161: } else if(REG8(CL) == 0x7f) {
1.1.1.49 root 14162: // get display information
1.1.1.50 root 14163: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x00) = 0; // level (0 for DOS 4.x-6.0)
14164: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x01) = 0; // reserved (0)
14165: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x02) = 14; // length of following data (14)
14166: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x04) = 1; // bit 0 set for blink, clear for intensity
14167: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x06) = 1; // mode type (1=text, 2=graphics)
14168: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x07) = 0; // reserved (0)
14169: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x08) = 4; // 4 bits per pixel
14170: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0a) = 8 * (*(UINT16 *)(mem + 0x44a) + 0); // pixel columns
14171: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0c) = 16 * (*(UINT8 *)(mem + 0x484) + 1); // pixel rows
14172: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0e) = *(UINT16 *)(mem + 0x44a) + 0; // character columns
14173: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x10) = *(UINT8 *)(mem + 0x484) + 1; // character rows
1.1.1.49 root 14174: } else {
14175: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
14176: REG16(AX) = 0x01;
14177: m_CF = 1;
14178: }
14179: break;
1.1 root 14180: default:
1.1.1.22 root 14181: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
14182: REG16(AX) = 0x01;
14183: m_CF = 1;
14184: break;
14185: }
14186: }
14187:
1.1.1.30 root 14188: inline void msdos_int_2fh_40h()
1.1.1.22 root 14189: {
14190: switch(REG8(AL)) {
14191: case 0x00:
1.1.1.30 root 14192: // Windows 3+ - Get Virtual Device Driver (VDD) Capabilities
14193: REG8(AL) = 0x01; // does not virtualize video access
1.1.1.22 root 14194: break;
1.1.1.43 root 14195: case 0x10:
14196: // OS/2 v2.0+ - Installation Check
14197: REG16(AX) = 0x01;
14198: m_CF = 1;
14199: break;
1.1.1.22 root 14200: default:
14201: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1 root 14202: REG16(AX) = 0x01;
1.1.1.3 root 14203: m_CF = 1;
1.1 root 14204: break;
14205: }
14206: }
14207:
14208: inline void msdos_int_2fh_43h()
14209: {
14210: switch(REG8(AL)) {
14211: case 0x00:
1.1.1.29 root 14212: // XMS is installed ?
1.1.1.19 root 14213: #ifdef SUPPORT_XMS
14214: if(support_xms) {
14215: REG8(AL) = 0x80;
1.1.1.44 root 14216: }
14217: #endif
14218: break;
14219: case 0x08:
14220: #ifdef SUPPORT_XMS
14221: if(support_xms) {
14222: REG8(AL) = 0x43;
14223: REG8(BL) = 0x01; // IBM PC/AT
14224: REG8(BH) = 0x01; // Fast AT A20 switch time
14225: }
1.1.1.19 root 14226: #endif
14227: break;
14228: case 0x10:
14229: SREG(ES) = XMS_TOP >> 4;
14230: i386_load_segment_descriptor(ES);
1.1.1.26 root 14231: REG16(BX) = 0x15;
1.1 root 14232: break;
1.1.1.44 root 14233: case 0xe0:
14234: // DOS Protected Mode Services (DPMS) v1.0 is not installed
14235: if(REG16(BX) == 0x0000 && REG16(CX) == 0x4450 && REG16(DX) == 0x4d53) {
14236: break;
14237: }
1.1 root 14238: default:
1.1.1.22 root 14239: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
14240: REG16(AX) = 0x01;
14241: m_CF = 1;
14242: break;
14243: }
14244: }
14245:
14246: inline void msdos_int_2fh_46h()
14247: {
14248: switch(REG8(AL)) {
14249: case 0x80:
1.1.1.29 root 14250: // Windows v3.0 is not installed
14251: // REG8(AL) = 0x00;
1.1.1.22 root 14252: break;
14253: default:
14254: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
14255: REG16(AX) = 0x01;
14256: m_CF = 1;
14257: break;
14258: }
14259: }
14260:
14261: inline void msdos_int_2fh_48h()
14262: {
14263: switch(REG8(AL)) {
14264: case 0x00:
1.1.1.29 root 14265: // DOSKEY is not installed
14266: // REG8(AL) = 0x00;
1.1.1.22 root 14267: break;
14268: case 0x10:
14269: msdos_int_21h_0ah();
14270: REG16(AX) = 0x00;
14271: break;
14272: default:
14273: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1 root 14274: REG16(AX) = 0x01;
1.1.1.3 root 14275: m_CF = 1;
1.1 root 14276: break;
14277: }
14278: }
14279:
14280: inline void msdos_int_2fh_4ah()
14281: {
14282: switch(REG8(AL)) {
1.1.1.29 root 14283: #ifdef SUPPORT_HMA
14284: case 0x01: // DOS 5.0+ - Query Free HMA Space
14285: if(!is_hma_used_by_xms && !is_hma_used_by_int_2fh) {
14286: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
14287: // restore first free mcb in high memory area
14288: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
14289: }
14290: int offset = 0xffff;
14291: if((REG16(BX) = msdos_hma_mem_get_free(&offset)) != 0) {
14292: REG16(DI) = offset + 0x10;
14293: } else {
14294: REG16(DI) = 0xffff;
14295: }
14296: } else {
14297: // HMA is already used
14298: REG16(BX) = 0;
14299: REG16(DI) = 0xffff;
14300: }
14301: SREG(ES) = 0xffff;
14302: i386_load_segment_descriptor(ES);
14303: break;
14304: case 0x02: // DOS 5.0+ - Allocate HMA Space
14305: if(!is_hma_used_by_xms && !is_hma_used_by_int_2fh) {
14306: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
14307: // restore first free mcb in high memory area
14308: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
14309: }
14310: int size = REG16(BX), offset;
14311: if((size % 16) != 0) {
14312: size &= ~15;
14313: size += 16;
14314: }
14315: if((offset = msdos_hma_mem_alloc(size, current_psp)) != -1) {
14316: REG16(BX) = size;
14317: REG16(DI) = offset + 0x10;
14318: is_hma_used_by_int_2fh = true;
14319: } else {
14320: REG16(BX) = 0;
14321: REG16(DI) = 0xffff;
14322: }
14323: } else {
14324: // HMA is already used
14325: REG16(BX) = 0;
14326: REG16(DI) = 0xffff;
14327: }
14328: SREG(ES) = 0xffff;
14329: i386_load_segment_descriptor(ES);
14330: break;
14331: case 0x03: // Windows95 - (De)Allocate HMA Memory Block
14332: if(REG8(DL) == 0x00) {
14333: if(!is_hma_used_by_xms) {
14334: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
14335: // restore first free mcb in high memory area
14336: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
14337: is_hma_used_by_int_2fh = false;
14338: }
14339: int size = REG16(BX), offset;
14340: if((size % 16) != 0) {
14341: size &= ~15;
14342: size += 16;
14343: }
14344: if((offset = msdos_hma_mem_alloc(size, REG16(CX))) != -1) {
14345: // REG16(BX) = size;
14346: SREG(ES) = 0xffff;
14347: i386_load_segment_descriptor(ES);
14348: REG16(DI) = offset + 0x10;
14349: is_hma_used_by_int_2fh = true;
14350: } else {
14351: REG16(DI) = 0xffff;
14352: }
14353: } else {
14354: REG16(DI) = 0xffff;
14355: }
14356: } else if(REG8(DL) == 0x01) {
14357: if(!is_hma_used_by_xms) {
14358: int size = REG16(BX);
14359: if((size % 16) != 0) {
14360: size &= ~15;
14361: size += 16;
14362: }
14363: if(msdos_hma_mem_realloc(SREG_BASE(ES) + REG16(DI) - 0xffff0 - 0x10, size) != -1) {
14364: // memory block address is not changed
14365: } else {
14366: REG16(DI) = 0xffff;
14367: }
14368: } else {
14369: REG16(DI) = 0xffff;
14370: }
14371: } else if(REG8(DL) == 0x02) {
14372: if(!is_hma_used_by_xms) {
14373: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
14374: // restore first free mcb in high memory area
14375: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
14376: is_hma_used_by_int_2fh = false;
14377: } else {
14378: msdos_hma_mem_free(SREG_BASE(ES) + REG16(DI) - 0xffff0 - 0x10);
14379: if(msdos_hma_mem_get_free(NULL) == 0xffe0) {
14380: is_hma_used_by_int_2fh = false;
14381: }
14382: }
14383: }
14384: } else {
14385: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
14386: REG16(AX) = 0x01;
14387: m_CF = 1;
14388: }
14389: break;
14390: case 0x04: // Windows95 - Get Start of HMA Memory Chain
14391: if(!is_hma_used_by_xms) {
14392: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
14393: // restore first free mcb in high memory area
14394: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
14395: is_hma_used_by_int_2fh = false;
14396: }
14397: REG16(AX) = 0x0000;
14398: SREG(ES) = 0xffff;
14399: i386_load_segment_descriptor(ES);
14400: REG16(DI) = 0x10;
14401: }
14402: break;
14403: #else
1.1 root 14404: case 0x01:
14405: case 0x02:
1.1.1.29 root 14406: // HMA is already used
1.1.1.27 root 14407: REG16(BX) = 0x0000;
1.1.1.3 root 14408: SREG(ES) = 0xffff;
14409: i386_load_segment_descriptor(ES);
1.1 root 14410: REG16(DI) = 0xffff;
14411: break;
1.1.1.19 root 14412: case 0x03:
14413: // unable to allocate
14414: REG16(DI) = 0xffff;
14415: break;
14416: case 0x04:
14417: // function not supported, do not clear AX
14418: break;
1.1.1.29 root 14419: #endif
14420: case 0x10:
1.1.1.42 root 14421: switch(REG16(BX)) {
14422: case 0x0000:
14423: case 0x0001:
14424: case 0x0002:
14425: case 0x0003:
14426: case 0x0004:
14427: case 0x0005:
14428: case 0x0006:
14429: case 0x0007:
14430: case 0x0008:
14431: case 0x000a:
14432: case 0x1234:
14433: // SMARTDRV v4.00+ is not installed
14434: break;
14435: default:
1.1.1.29 root 14436: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
14437: REG16(AX) = 0x01;
14438: m_CF = 1;
1.1.1.42 root 14439: break;
1.1.1.29 root 14440: }
14441: break;
14442: case 0x11:
1.1.1.42 root 14443: switch(REG16(BX)) {
14444: case 0x0000:
14445: case 0x0001:
14446: case 0x0002:
14447: case 0x0003:
14448: case 0x0004:
14449: case 0x0005:
14450: case 0x0006:
14451: case 0x0007:
14452: case 0x0008:
14453: case 0x0009:
14454: case 0x000a:
14455: case 0x000b:
14456: case 0xfffe:
14457: case 0xffff:
1.1.1.29 root 14458: // DBLSPACE.BIN is not installed
1.1.1.42 root 14459: break;
14460: default:
14461: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
14462: REG16(AX) = 0x01;
14463: m_CF = 1;
14464: break;
14465: }
14466: break;
14467: case 0x12:
14468: if(REG16(CX) == 0x4d52 && REG16(DX) == 0x4349) {
14469: // Microsoft Realtime Compression Interface (MRCI) is not installed
14470: } else if(REG16(CX) == 0x5354 && REG16(DX) == 0x4143) {
14471: // Stacker 4 LZS Compression Interface (LZSAPI) is not installed
1.1.1.29 root 14472: } else {
14473: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
14474: REG16(AX) = 0x01;
14475: m_CF = 1;
14476: }
1.1.1.22 root 14477: break;
1.1.1.42 root 14478: case 0x13:
14479: // DBLSPACE.BIN is not installed
14480: break;
1.1.1.22 root 14481: default:
14482: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
14483: REG16(AX) = 0x01;
14484: m_CF = 1;
14485: break;
14486: }
14487: }
14488:
14489: inline void msdos_int_2fh_4bh()
14490: {
14491: switch(REG8(AL)) {
1.1.1.24 root 14492: case 0x01:
1.1.1.22 root 14493: case 0x02:
1.1.1.29 root 14494: // Task Switcher is not installed
1.1.1.24 root 14495: break;
14496: case 0x03:
14497: // this call is available from within DOSSHELL even if the task switcher is not installed
14498: REG16(AX) = REG16(BX) = 0x0000; // no more avaiable switcher id
1.1.1.22 root 14499: break;
1.1.1.30 root 14500: case 0x04:
14501: REG16(BX) = 0x0000; // free switcher id successfully
14502: break;
1.1.1.43 root 14503: case 0x05:
14504: REG16(BX) = 0x0000; // no instance data chain
14505: SREG(ES) = 0x0000;
14506: i386_load_segment_descriptor(ES);
14507: break;
1.1 root 14508: default:
1.1.1.22 root 14509: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1 root 14510: REG16(AX) = 0x01;
1.1.1.3 root 14511: m_CF = 1;
1.1 root 14512: break;
14513: }
14514: }
14515:
1.1.1.44 root 14516: inline void msdos_int_2fh_4dh()
14517: {
14518: switch(REG8(AL)) {
14519: case 0x00:
14520: // KKCFUNC is not installed ???
14521: break;
14522: default:
14523: // unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
14524: REG16(AX) = 0x01; // invalid function
14525: m_CF = 1;
14526: break;
14527: }
14528: }
14529:
1.1 root 14530: inline void msdos_int_2fh_4fh()
14531: {
14532: switch(REG8(AL)) {
14533: case 0x00:
1.1.1.29 root 14534: // BILING is installed
1.1.1.27 root 14535: REG16(AX) = 0x0000;
14536: REG8(DL) = 0x01; // major version
14537: REG8(DH) = 0x00; // minor version
1.1 root 14538: break;
14539: case 0x01:
1.1.1.27 root 14540: REG16(AX) = 0x0000;
1.1 root 14541: REG16(BX) = active_code_page;
14542: break;
14543: default:
1.1.1.22 root 14544: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
14545: REG16(AX) = 0x01;
14546: m_CF = 1;
14547: break;
14548: }
14549: }
14550:
14551: inline void msdos_int_2fh_55h()
14552: {
14553: switch(REG8(AL)) {
14554: case 0x00:
14555: case 0x01:
14556: // unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
14557: break;
14558: default:
14559: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1 root 14560: REG16(AX) = 0x01;
1.1.1.3 root 14561: m_CF = 1;
1.1 root 14562: break;
14563: }
14564: }
14565:
1.1.1.44 root 14566: inline void msdos_int_2fh_56h()
14567: {
14568: switch(REG8(AL)) {
14569: case 0x00:
14570: // INTERLNK is not installed
14571: break;
14572: case 0x01:
14573: // this call is available from within SCANDISK even if INTERLNK is not installed
14574: // if(msdos_is_remote_drive(REG8(BH))) {
14575: // REG8(AL) = 0x00;
14576: // }
14577: break;
14578: default:
14579: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
14580: REG16(AX) = 0x01;
14581: m_CF = 1;
14582: break;
14583: }
14584: }
14585:
1.1.1.24 root 14586: inline void msdos_int_2fh_adh()
14587: {
14588: switch(REG8(AL)) {
14589: case 0x00:
1.1.1.29 root 14590: // DISPLAY.SYS is installed
1.1.1.24 root 14591: REG8(AL) = 0xff;
14592: REG16(BX) = 0x100; // ???
14593: break;
14594: case 0x01:
14595: active_code_page = REG16(BX);
14596: msdos_nls_tables_update();
14597: REG16(AX) = 0x01;
14598: break;
14599: case 0x02:
14600: REG16(BX) = active_code_page;
14601: break;
14602: case 0x03:
14603: // FIXME
14604: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 1;
14605: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2) = 3;
14606: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4) = 1;
14607: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 6) = active_code_page;
14608: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 8) = active_code_page;
14609: break;
14610: case 0x80:
1.1.1.49 root 14611: // KEYB.COM is not installed
14612: break;
1.1.1.24 root 14613: default:
14614: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
14615: REG16(AX) = 0x01;
14616: m_CF = 1;
14617: break;
14618: }
14619: }
14620:
1.1 root 14621: inline void msdos_int_2fh_aeh()
14622: {
14623: switch(REG8(AL)) {
14624: case 0x00:
1.1.1.28 root 14625: // FIXME: we need to check the given command line
14626: REG8(AL) = 0x00; // the command should be executed as usual
14627: // REG8(AL) = 0xff; // this command is a TSR extension to COMMAND.COM
1.1 root 14628: break;
14629: case 0x01:
14630: {
14631: char command[MAX_PATH];
14632: memset(command, 0, sizeof(command));
1.1.1.3 root 14633: memcpy(command, mem + SREG_BASE(DS) + REG16(SI) + 1, mem[SREG_BASE(DS) + REG16(SI)]);
1.1 root 14634:
14635: param_block_t *param = (param_block_t *)(mem + WORK_TOP);
14636: param->env_seg = 0;
14637: param->cmd_line.w.l = 44;
14638: param->cmd_line.w.h = (WORK_TOP >> 4);
14639: param->fcb1.w.l = 24;
14640: param->fcb1.w.h = (WORK_TOP >> 4);
14641: param->fcb2.w.l = 24;
14642: param->fcb2.w.h = (WORK_TOP >> 4);
14643:
14644: memset(mem + WORK_TOP + 24, 0x20, 20);
14645:
14646: cmd_line_t *cmd_line = (cmd_line_t *)(mem + WORK_TOP + 44);
1.1.1.3 root 14647: cmd_line->len = mem[SREG_BASE(DS) + REG16(BX) + 1];
14648: memcpy(cmd_line->cmd, mem + SREG_BASE(DS) + REG16(BX) + 2, cmd_line->len);
1.1 root 14649: cmd_line->cmd[cmd_line->len] = 0x0d;
14650:
1.1.1.28 root 14651: try {
14652: msdos_process_exec(command, param, 0);
14653: } catch(...) {
14654: fatalerror("failed to start '%s' by int 2Fh, AX=AE01h\n", command);
1.1 root 14655: }
14656: }
14657: break;
14658: default:
1.1.1.22 root 14659: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1 root 14660: REG16(AX) = 0x01;
1.1.1.3 root 14661: m_CF = 1;
1.1 root 14662: break;
14663: }
14664: }
14665:
1.1.1.34 root 14666: inline void msdos_int_2fh_b7h()
14667: {
14668: switch(REG8(AL)) {
14669: case 0x00:
14670: // APPEND is not installed
14671: // REG8(AL) = 0x00;
14672: break;
1.1.1.44 root 14673: case 0x06:
14674: REG16(BX) = 0x0000;
14675: break;
1.1.1.34 root 14676: case 0x07:
1.1.1.43 root 14677: case 0x11:
1.1.1.34 root 14678: // COMMAND.COM calls this service without checking APPEND is installed
14679: break;
14680: default:
14681: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
14682: REG16(AX) = 0x01;
14683: m_CF = 1;
14684: break;
14685: }
14686: }
14687:
1.1.1.24 root 14688: inline void msdos_int_33h_0000h()
14689: {
14690: REG16(AX) = 0xffff; // hardware/driver installed
14691: REG16(BX) = MAX_MOUSE_BUTTONS;
14692: }
14693:
14694: inline void msdos_int_33h_0001h()
14695: {
1.1.1.34 root 14696: if(mouse.hidden > 0) {
14697: mouse.hidden--;
14698: }
14699: if(mouse.hidden == 0) {
1.1.1.24 root 14700: if(!(dwConsoleMode & ENABLE_MOUSE_INPUT)) {
14701: SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), dwConsoleMode | ENABLE_MOUSE_INPUT);
14702: }
14703: pic[1].imr &= ~0x10; // enable irq12
14704: }
14705: }
14706:
14707: inline void msdos_int_33h_0002h()
14708: {
1.1.1.34 root 14709: mouse.hidden++;
14710: // SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), dwConsoleMode & ~ENABLE_MOUSE_INPUT);
14711: pic[1].imr |= 0x10; // enable irq12
1.1.1.24 root 14712: }
14713:
14714: inline void msdos_int_33h_0003h()
14715: {
1.1.1.34 root 14716: // if(mouse.hidden > 0) {
14717: update_console_input();
14718: // }
1.1.1.24 root 14719: REG16(BX) = mouse.get_buttons();
1.1.1.34 root 14720: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.position.x));
14721: REG16(DX) = max(mouse.min_position.y & ~7, min(mouse.max_position.y & ~7, mouse.position.y));
14722: }
14723:
14724: inline void msdos_int_33h_0004h()
14725: {
14726: mouse.position.x = REG16(CX);
14727: mouse.position.x = REG16(DX);
1.1.1.24 root 14728: }
14729:
14730: inline void msdos_int_33h_0005h()
14731: {
1.1.1.34 root 14732: // if(mouse.hidden > 0) {
14733: update_console_input();
14734: // }
1.1.1.24 root 14735: if(REG16(BX) < MAX_MOUSE_BUTTONS) {
14736: int idx = REG16(BX);
1.1.1.34 root 14737: REG16(BX) = min(mouse.buttons[idx].pressed_times, 0x7fff);
14738: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.buttons[idx].pressed_position.x));
14739: REG16(DX) = max(mouse.min_position.y & ~7, min(mouse.max_position.y & ~7, mouse.buttons[idx].pressed_position.y));
1.1.1.24 root 14740: mouse.buttons[idx].pressed_times = 0;
14741: } else {
14742: REG16(BX) = REG16(CX) = REG16(DX) = 0x0000;
14743: }
14744: REG16(AX) = mouse.get_buttons();
14745: }
14746:
14747: inline void msdos_int_33h_0006h()
14748: {
1.1.1.34 root 14749: // if(mouse.hidden > 0) {
14750: update_console_input();
14751: // }
1.1.1.24 root 14752: if(REG16(BX) < MAX_MOUSE_BUTTONS) {
14753: int idx = REG16(BX);
1.1.1.34 root 14754: REG16(BX) = min(mouse.buttons[idx].released_times, 0x7fff);
14755: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.buttons[idx].released_position.x));
14756: REG16(DX) = max(mouse.min_position.y & ~7, min(mouse.max_position.y & ~7, mouse.buttons[idx].released_position.y));
1.1.1.24 root 14757: mouse.buttons[idx].released_times = 0;
14758: } else {
14759: REG16(BX) = REG16(CX) = REG16(DX) = 0x0000;
14760: }
14761: REG16(AX) = mouse.get_buttons();
14762: }
14763:
14764: inline void msdos_int_33h_0007h()
14765: {
14766: mouse.min_position.x = min(REG16(CX), REG16(DX));
14767: mouse.max_position.x = max(REG16(CX), REG16(DX));
14768: }
14769:
14770: inline void msdos_int_33h_0008h()
14771: {
14772: mouse.min_position.y = min(REG16(CX), REG16(DX));
14773: mouse.max_position.y = max(REG16(CX), REG16(DX));
14774: }
14775:
14776: inline void msdos_int_33h_0009h()
14777: {
14778: mouse.hot_spot[0] = REG16(BX);
14779: mouse.hot_spot[1] = REG16(CX);
14780: }
14781:
1.1.1.49 root 14782: inline void msdos_int_33h_000ah()
14783: {
14784: mouse.screen_mask = REG16(CX);
14785: mouse.cursor_mask = REG16(DX);
14786: }
14787:
1.1.1.24 root 14788: inline void msdos_int_33h_000bh()
14789: {
1.1.1.34 root 14790: // if(mouse.hidden > 0) {
14791: update_console_input();
14792: // }
1.1.1.24 root 14793: int dx = (mouse.position.x - mouse.prev_position.x) * mouse.mickey.x / 8;
14794: int dy = (mouse.position.y - mouse.prev_position.y) * mouse.mickey.y / 8;
14795: mouse.prev_position.x = mouse.position.x;
14796: mouse.prev_position.y = mouse.position.y;
14797: REG16(CX) = dx;
14798: REG16(DX) = dy;
14799: }
14800:
14801: inline void msdos_int_33h_000ch()
14802: {
14803: mouse.call_mask = REG16(CX);
14804: mouse.call_addr.w.l = REG16(DX);
14805: mouse.call_addr.w.h = SREG(ES);
14806: }
14807:
14808: inline void msdos_int_33h_000fh()
14809: {
14810: mouse.mickey.x = REG16(CX);
14811: mouse.mickey.y = REG16(DX);
14812: }
14813:
14814: inline void msdos_int_33h_0011h()
14815: {
14816: REG16(AX) = 0xffff;
14817: REG16(BX) = MAX_MOUSE_BUTTONS;
14818: }
14819:
14820: inline void msdos_int_33h_0014h()
14821: {
14822: UINT16 old_mask = mouse.call_mask;
14823: UINT16 old_ofs = mouse.call_addr.w.l;
14824: UINT16 old_seg = mouse.call_addr.w.h;
14825:
14826: mouse.call_mask = REG16(CX);
14827: mouse.call_addr.w.l = REG16(DX);
14828: mouse.call_addr.w.h = SREG(ES);
14829:
14830: REG16(CX) = old_mask;
14831: REG16(DX) = old_ofs;
14832: SREG(ES) = old_seg;
14833: i386_load_segment_descriptor(ES);
14834: }
14835:
14836: inline void msdos_int_33h_0015h()
14837: {
14838: REG16(BX) = sizeof(mouse);
14839: }
14840:
14841: inline void msdos_int_33h_0016h()
14842: {
14843: memcpy(mem + SREG_BASE(ES) + REG16(DX), &mouse, sizeof(mouse));
14844: }
14845:
14846: inline void msdos_int_33h_0017h()
14847: {
14848: memcpy(&mouse, mem + SREG_BASE(ES) + REG16(DX), sizeof(mouse));
14849: }
14850:
1.1.1.43 root 14851: inline void msdos_int_33h_0018h()
14852: {
14853: for(int i = 0; i < 8; i++) {
14854: if(REG16(CX) & (1 << i)) {
14855: if(mouse.call_addr_alt[i].dw && !(REG16(DX) == 0 && SREG(ES) == 0)) {
14856: // event handler already exists
14857: REG16(AX) = 0xffff;
14858: break;
14859: }
14860: mouse.call_addr_alt[i].w.l = REG16(DX);
14861: mouse.call_addr_alt[i].w.h = SREG(ES);
14862: }
14863: }
14864: }
14865:
14866: inline void msdos_int_33h_0019h()
14867: {
14868: UINT16 call_mask = REG16(CX);
14869:
14870: REG16(CX) = 0;
14871:
14872: for(int i = 0; i < 8; i++) {
14873: if((call_mask & (1 << i)) && mouse.call_addr_alt[i].dw) {
14874: for(int j = 0; j < 8; j++) {
14875: if((call_mask & (1 << j)) && mouse.call_addr_alt[i].dw == mouse.call_addr_alt[j].dw) {
14876: REG16(CX) |= (1 << j);
14877: }
14878: }
14879: REG16(DX) = mouse.call_addr_alt[i].w.l;
14880: REG16(BX) = mouse.call_addr_alt[i].w.h;
14881: break;
14882: }
14883: }
14884: }
14885:
1.1.1.24 root 14886: inline void msdos_int_33h_001ah()
14887: {
14888: mouse.sensitivity[0] = REG16(BX);
14889: mouse.sensitivity[1] = REG16(CX);
14890: mouse.sensitivity[2] = REG16(DX);
14891: }
14892:
14893: inline void msdos_int_33h_001bh()
14894: {
14895: REG16(BX) = mouse.sensitivity[0];
14896: REG16(CX) = mouse.sensitivity[1];
14897: REG16(DX) = mouse.sensitivity[2];
14898: }
14899:
14900: inline void msdos_int_33h_001dh()
14901: {
14902: mouse.display_page = REG16(BX);
14903: }
14904:
14905: inline void msdos_int_33h_001eh()
14906: {
14907: REG16(BX) = mouse.display_page;
14908: }
14909:
1.1.1.34 root 14910: inline void msdos_int_33h_001fh()
14911: {
14912: // from DOSBox
14913: REG16(BX) = 0x0000;
14914: SREG(ES) = 0x0000;
14915: i386_load_segment_descriptor(ES);
14916: mouse.enabled = false;
14917: mouse.old_hidden = mouse.hidden;
14918: mouse.hidden = 1;
14919: }
14920:
14921: inline void msdos_int_33h_0020h()
14922: {
14923: // from DOSBox
14924: mouse.enabled = true;
14925: mouse.hidden = mouse.old_hidden;
14926: }
14927:
1.1.1.24 root 14928: inline void msdos_int_33h_0021h()
14929: {
14930: REG16(AX) = 0xffff;
14931: REG16(BX) = MAX_MOUSE_BUTTONS;
14932: }
14933:
14934: inline void msdos_int_33h_0022h()
14935: {
14936: mouse.language = REG16(BX);
14937: }
14938:
14939: inline void msdos_int_33h_0023h()
14940: {
14941: REG16(BX) = mouse.language;
14942: }
14943:
14944: inline void msdos_int_33h_0024h()
14945: {
14946: REG16(BX) = 0x0805; // V8.05
14947: REG16(CX) = 0x0400; // PS/2
14948: }
14949:
1.1.1.49 root 14950: inline void msdos_int_33h_0025h()
14951: {
14952: REG16(AX) = 0x8000; // driver (not TSR), software text cursor
14953: }
14954:
1.1.1.24 root 14955: inline void msdos_int_33h_0026h()
14956: {
14957: REG16(BX) = 0x0000;
14958: REG16(CX) = mouse.max_position.x;
14959: REG16(DX) = mouse.max_position.y;
14960: }
14961:
1.1.1.49 root 14962: inline void msdos_int_33h_0027h()
14963: {
14964: // if(mouse.hidden > 0) {
14965: update_console_input();
14966: // }
14967: int dx = (mouse.position.x - mouse.prev_position.x) * mouse.mickey.x / 8;
14968: int dy = (mouse.position.y - mouse.prev_position.y) * mouse.mickey.y / 8;
14969: mouse.prev_position.x = mouse.position.x;
14970: mouse.prev_position.y = mouse.position.y;
14971: REG16(AX) = mouse.screen_mask;
14972: REG16(BX) = mouse.cursor_mask;
14973: REG16(CX) = dx;
14974: REG16(DX) = dy;
14975: }
14976:
14977: inline void msdos_int_33h_0028h()
14978: {
14979: if(REG16(CX) != 0) {
14980: UINT8 tmp = REG8(AL);
14981: REG8(AL) = REG8(CL);
14982: pcbios_int_10h_00h();
14983: REG8(AL) = tmp;
14984: }
14985: REG8(CL) = 0x00; // successful
14986: }
14987:
14988: inline void msdos_int_33h_0029h()
14989: {
14990: switch(REG16(CX)) {
14991: case 0x0000:
14992: REG16(CX) = 0x0003;
14993: sprintf((char *)(mem + WORK_TOP), "TEXT Mode (80x25)$");
14994: break;
14995: case 0x0003:
14996: REG16(CX) = 0x0070;
14997: sprintf((char *)(mem + WORK_TOP), "V-TEXT Mode (%dx%d)$", scr_width, scr_height);
14998: break;
14999: case 0x0070:
15000: REG16(CX) = 0x0071;
15001: sprintf((char *)(mem + WORK_TOP), "Extended CGA V-TEXT Mode (%dx%d)$", scr_width, scr_height);
15002: break;
15003: case 0x0071:
15004: REG16(CX) = 0x0073;
15005: sprintf((char *)(mem + WORK_TOP), "Extended CGA TEXT Mode (80x25)$");
15006: break;
15007: default:
15008: REG16(CX) = 0x0000;
15009: break;
15010: }
15011: if(REG16(CX) != 0) {
15012: SREG(DS) = (WORK_TOP >> 4);
15013: } else {
15014: SREG(DS) = 0x0000;
15015: }
15016: i386_load_segment_descriptor(DS);
15017: REG16(DX) = 0x0000;
15018: }
15019:
1.1.1.24 root 15020: inline void msdos_int_33h_002ah()
15021: {
1.1.1.34 root 15022: REG16(AX) = -mouse.hidden;
1.1.1.24 root 15023: REG16(BX) = mouse.hot_spot[0];
15024: REG16(CX) = mouse.hot_spot[1];
15025: REG16(DX) = 4; // PS/2
15026: }
15027:
15028: inline void msdos_int_33h_0031h()
15029: {
15030: REG16(AX) = mouse.min_position.x;
15031: REG16(BX) = mouse.min_position.y;
15032: REG16(CX) = mouse.max_position.x;
15033: REG16(DX) = mouse.max_position.y;
15034: }
15035:
15036: inline void msdos_int_33h_0032h()
15037: {
15038: REG16(AX) = 0;
1.1.1.49 root 15039: REG16(AX) |= 0x8000; // 0025h
1.1.1.24 root 15040: REG16(AX) |= 0x4000; // 0026h
1.1.1.49 root 15041: REG16(AX) |= 0x2000; // 0027h
1.1.1.24 root 15042: // REG16(AX) |= 0x1000; // 0028h
15043: // REG16(AX) |= 0x0800; // 0029h
15044: REG16(AX) |= 0x0400; // 002ah
15045: // REG16(AX) |= 0x0200; // 002bh
15046: // REG16(AX) |= 0x0100; // 002ch
15047: // REG16(AX) |= 0x0080; // 002dh
15048: // REG16(AX) |= 0x0040; // 002eh
15049: REG16(AX) |= 0x0020; // 002fh
15050: // REG16(AX) |= 0x0010; // 0030h
15051: REG16(AX) |= 0x0008; // 0031h
15052: REG16(AX) |= 0x0004; // 0032h
15053: // REG16(AX) |= 0x0002; // 0033h
15054: // REG16(AX) |= 0x0001; // 0034h
15055: }
15056:
1.1.1.49 root 15057: inline void msdos_int_33h_004dh()
15058: {
15059: strcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), "Copyright 2017 MS-DOS Player");
15060: }
15061:
15062: inline void msdos_int_33h_006dh()
15063: {
15064: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x08; // V8.05
15065: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = 0x05;
15066: }
15067:
1.1.1.19 root 15068: inline void msdos_int_67h_40h()
15069: {
15070: if(!support_ems) {
15071: REG8(AH) = 0x84;
15072: } else {
15073: REG8(AH) = 0x00;
15074: }
15075: }
15076:
15077: inline void msdos_int_67h_41h()
15078: {
15079: if(!support_ems) {
15080: REG8(AH) = 0x84;
15081: } else {
15082: REG8(AH) = 0x00;
15083: REG16(BX) = EMS_TOP >> 4;
15084: }
15085: }
15086:
15087: inline void msdos_int_67h_42h()
15088: {
15089: if(!support_ems) {
15090: REG8(AH) = 0x84;
15091: } else {
15092: REG8(AH) = 0x00;
15093: REG16(BX) = free_ems_pages;
15094: REG16(DX) = MAX_EMS_PAGES;
15095: }
15096: }
15097:
15098: inline void msdos_int_67h_43h()
15099: {
15100: if(!support_ems) {
15101: REG8(AH) = 0x84;
15102: } else if(REG16(BX) > MAX_EMS_PAGES) {
15103: REG8(AH) = 0x87;
15104: } else if(REG16(BX) > free_ems_pages) {
15105: REG8(AH) = 0x88;
15106: } else if(REG16(BX) == 0) {
15107: REG8(AH) = 0x89;
15108: } else {
1.1.1.31 root 15109: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 15110: if(!ems_handles[i].allocated) {
15111: ems_allocate_pages(i, REG16(BX));
15112: REG8(AH) = 0x00;
15113: REG16(DX) = i;
15114: return;
15115: }
15116: }
15117: REG8(AH) = 0x85;
15118: }
15119: }
15120:
15121: inline void msdos_int_67h_44h()
15122: {
15123: if(!support_ems) {
15124: REG8(AH) = 0x84;
1.1.1.31 root 15125: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 15126: REG8(AH) = 0x83;
15127: } else if(!(REG16(BX) == 0xffff || REG16(BX) < ems_handles[REG16(DX)].pages)) {
15128: REG8(AH) = 0x8a;
15129: // } else if(!(REG8(AL) < 4)) {
15130: // REG8(AH) = 0x8b;
15131: } else if(REG16(BX) == 0xffff) {
15132: ems_unmap_page(REG8(AL) & 3);
15133: REG8(AH) = 0x00;
15134: } else {
15135: ems_map_page(REG8(AL) & 3, REG16(DX), REG16(BX));
15136: REG8(AH) = 0x00;
15137: }
15138: }
15139:
15140: inline void msdos_int_67h_45h()
15141: {
15142: if(!support_ems) {
15143: REG8(AH) = 0x84;
1.1.1.31 root 15144: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 15145: REG8(AH) = 0x83;
15146: } else {
15147: ems_release_pages(REG16(DX));
15148: REG8(AH) = 0x00;
15149: }
15150: }
15151:
15152: inline void msdos_int_67h_46h()
15153: {
15154: if(!support_ems) {
15155: REG8(AH) = 0x84;
15156: } else {
1.1.1.29 root 15157: // REG16(AX) = 0x0032; // EMS 3.2
15158: REG16(AX) = 0x0040; // EMS 4.0
1.1.1.19 root 15159: }
15160: }
15161:
15162: inline void msdos_int_67h_47h()
15163: {
15164: // NOTE: the map data should be stored in the specified ems page, not process data
15165: process_t *process = msdos_process_info_get(current_psp);
15166:
15167: if(!support_ems) {
15168: REG8(AH) = 0x84;
1.1.1.31 root 15169: // } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 15170: // REG8(AH) = 0x83;
15171: } else if(process->ems_pages_stored) {
15172: REG8(AH) = 0x8d;
15173: } else {
15174: for(int i = 0; i < 4; i++) {
15175: process->ems_pages[i].handle = ems_pages[i].handle;
15176: process->ems_pages[i].page = ems_pages[i].page;
15177: process->ems_pages[i].mapped = ems_pages[i].mapped;
15178: }
15179: process->ems_pages_stored = true;
15180: REG8(AH) = 0x00;
15181: }
15182: }
15183:
15184: inline void msdos_int_67h_48h()
15185: {
15186: // NOTE: the map data should be restored from the specified ems page, not process data
15187: process_t *process = msdos_process_info_get(current_psp);
15188:
15189: if(!support_ems) {
15190: REG8(AH) = 0x84;
1.1.1.31 root 15191: // } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 15192: // REG8(AH) = 0x83;
15193: } else if(!process->ems_pages_stored) {
15194: REG8(AH) = 0x8e;
15195: } else {
15196: for(int i = 0; i < 4; i++) {
15197: if(process->ems_pages[i].mapped) {
15198: ems_map_page(i, process->ems_pages[i].handle, process->ems_pages[i].page);
15199: } else {
15200: ems_unmap_page(i);
15201: }
15202: }
15203: process->ems_pages_stored = false;
15204: REG8(AH) = 0x00;
15205: }
15206: }
15207:
15208: inline void msdos_int_67h_4bh()
15209: {
15210: if(!support_ems) {
15211: REG8(AH) = 0x84;
15212: } else {
15213: REG8(AH) = 0x00;
15214: REG16(BX) = 0;
1.1.1.31 root 15215: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 15216: if(ems_handles[i].allocated) {
15217: REG16(BX)++;
15218: }
15219: }
15220: }
15221: }
15222:
15223: inline void msdos_int_67h_4ch()
15224: {
15225: if(!support_ems) {
15226: REG8(AH) = 0x84;
1.1.1.31 root 15227: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 15228: REG8(AH) = 0x83;
15229: } else {
15230: REG8(AH) = 0x00;
15231: REG16(BX) = ems_handles[REG16(DX)].pages;
15232: }
15233: }
15234:
15235: inline void msdos_int_67h_4dh()
15236: {
15237: if(!support_ems) {
15238: REG8(AH) = 0x84;
15239: } else {
15240: REG8(AH) = 0x00;
15241: REG16(BX) = 0;
1.1.1.31 root 15242: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 15243: if(ems_handles[i].allocated) {
15244: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * REG16(BX) + 0) = i;
15245: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * REG16(BX) + 2) = ems_handles[i].pages;
15246: REG16(BX)++;
15247: }
15248: }
15249: }
15250: }
15251:
1.1.1.20 root 15252: inline void msdos_int_67h_4eh()
15253: {
15254: if(!support_ems) {
15255: REG8(AH) = 0x84;
15256: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01 || REG8(AL) == 0x02) {
15257: if(REG8(AL) == 0x00 || REG8(AL) == 0x02) {
15258: // save page map
15259: for(int i = 0; i < 4; i++) {
15260: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 0) = ems_pages[i].mapped ? ems_pages[i].handle : 0xffff;
15261: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 2) = ems_pages[i].mapped ? ems_pages[i].page : 0xffff;
15262: }
15263: }
15264: if(REG8(AL) == 0x01 || REG8(AL) == 0x02) {
15265: // restore page map
15266: for(int i = 0; i < 4; i++) {
15267: UINT16 handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 0);
15268: UINT16 page = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 2);
15269:
1.1.1.31 root 15270: if(handle >= 1 && handle <= MAX_EMS_HANDLES && ems_handles[handle].allocated && page < ems_handles[handle].pages) {
1.1.1.20 root 15271: ems_map_page(i, handle, page);
15272: } else {
15273: ems_unmap_page(i);
15274: }
15275: }
15276: }
15277: REG8(AH) = 0x00;
15278: } else if(REG8(AL) == 0x03) {
15279: REG8(AH) = 0x00;
1.1.1.21 root 15280: REG8(AL) = 4 * 4;
15281: } else {
1.1.1.22 root 15282: unimplemented_67h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x67, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.21 root 15283: REG8(AH) = 0x8f;
15284: }
15285: }
15286:
15287: inline void msdos_int_67h_4fh()
15288: {
15289: if(!support_ems) {
15290: REG8(AH) = 0x84;
15291: } else if(REG8(AL) == 0x00) {
15292: int count = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI));
15293:
15294: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI)) = count;
15295: for(int i = 0; i < count; i++) {
15296: UINT16 segment = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 2 * i);
15297: UINT16 physical = ((segment << 4) - EMS_TOP) / 0x4000;
15298:
15299: // if(!(physical < 4)) {
15300: // REG8(AH) = 0x8b;
15301: // return;
15302: // }
15303: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2 + 6 * i + 0) = segment;
1.1.1.41 root 15304: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2 + 6 * i + 2) = ems_pages[physical & 3].mapped ? ems_pages[physical & 3].handle : 0xffff;
15305: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2 + 6 * i + 4) = ems_pages[physical & 3].mapped ? ems_pages[physical & 3].page : 0xffff;
1.1.1.21 root 15306: }
15307: REG8(AH) = 0x00;
15308: } else if(REG8(AL) == 0x01) {
15309: int count = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI));
15310:
15311: for(int i = 0; i < count; i++) {
15312: UINT16 segment = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 6 * i + 0);
15313: UINT16 physical = ((segment << 4) - EMS_TOP) / 0x4000;
15314: UINT16 handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 6 * i + 2);
15315: UINT16 logical = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 6 * i + 4);
15316:
15317: // if(!(physical < 4)) {
15318: // REG8(AH) = 0x8b;
15319: // return;
15320: // } else
1.1.1.41 root 15321: if(handle >= 1 && handle <= MAX_EMS_HANDLES && ems_handles[handle].allocated && logical < ems_handles[handle].pages) {
1.1.1.21 root 15322: ems_map_page(physical & 3, handle, logical);
15323: } else {
1.1.1.41 root 15324: ems_unmap_page(physical & 3);
1.1.1.21 root 15325: }
15326: }
15327: REG8(AH) = 0x00;
15328: } else if(REG8(AL) == 0x02) {
15329: REG8(AH) = 0x00;
15330: REG8(AL) = 2 + REG16(BX) * 6;
1.1.1.20 root 15331: } else {
1.1.1.22 root 15332: unimplemented_67h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x67, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.20 root 15333: REG8(AH) = 0x8f;
15334: }
15335: }
15336:
15337: inline void msdos_int_67h_50h()
15338: {
15339: if(!support_ems) {
15340: REG8(AH) = 0x84;
1.1.1.31 root 15341: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.20 root 15342: REG8(AH) = 0x83;
15343: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
15344: for(int i = 0; i < REG16(CX); i++) {
15345: int logical = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 0);
15346: int physical = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 2);
15347:
15348: if(REG8(AL) == 0x01) {
15349: physical = ((physical << 4) - EMS_TOP) / 0x4000;
15350: }
15351: // if(!(physical < 4)) {
15352: // REG8(AH) = 0x8b;
15353: // return;
15354: // } else
15355: if(logical == 0xffff) {
15356: ems_unmap_page(physical & 3);
15357: } else if(logical < ems_handles[REG16(DX)].pages) {
15358: ems_map_page(physical & 3, REG16(DX), logical);
15359: } else {
15360: REG8(AH) = 0x8a;
15361: return;
15362: }
15363: }
15364: REG8(AH) = 0x00;
15365: } else {
1.1.1.22 root 15366: unimplemented_67h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x67, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.20 root 15367: REG8(AH) = 0x8f;
15368: }
15369: }
15370:
1.1.1.19 root 15371: inline void msdos_int_67h_51h()
15372: {
15373: if(!support_ems) {
15374: REG8(AH) = 0x84;
1.1.1.31 root 15375: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 15376: REG8(AH) = 0x83;
15377: } else if(REG16(BX) > MAX_EMS_PAGES) {
15378: REG8(AH) = 0x87;
15379: } else if(REG16(BX) > free_ems_pages + ems_handles[REG16(DX)].pages) {
15380: REG8(AH) = 0x88;
15381: } else {
15382: ems_reallocate_pages(REG16(DX), REG16(BX));
15383: REG8(AH) = 0x00;
15384: }
15385: }
15386:
1.1.1.20 root 15387: inline void msdos_int_67h_52h()
15388: {
15389: if(!support_ems) {
15390: REG8(AH) = 0x84;
1.1.1.31 root 15391: // } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
15392: // REG8(AH) = 0x83;
1.1.1.20 root 15393: } else if(REG8(AL) == 0x00) {
15394: REG8(AL) = 0x00; // handle is volatile
15395: REG8(AH) = 0x00;
15396: } else if(REG8(AL) == 0x01) {
15397: if(REG8(BL) == 0x00) {
15398: REG8(AH) = 0x00;
15399: } else {
15400: REG8(AH) = 0x90; // undefined attribute type
15401: }
15402: } else if(REG8(AL) == 0x02) {
15403: REG8(AL) = 0x00; // only volatile handles supported
15404: REG8(AH) = 0x00;
15405: } else {
1.1.1.22 root 15406: unimplemented_67h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x67, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.20 root 15407: REG8(AH) = 0x8f;
15408: }
15409: }
15410:
1.1.1.19 root 15411: inline void msdos_int_67h_53h()
15412: {
15413: if(!support_ems) {
15414: REG8(AH) = 0x84;
1.1.1.31 root 15415: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 15416: REG8(AH) = 0x83;
15417: } else if(REG8(AL) == 0x00) {
15418: memcpy(mem + SREG_BASE(ES) + REG16(DI), ems_handles[REG16(DX)].name, 8);
15419: REG8(AH) = 0x00;
15420: } else if(REG8(AL) == 0x01) {
1.1.1.31 root 15421: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 15422: if(ems_handles[i].allocated && memcmp(ems_handles[REG16(DX)].name, mem + SREG_BASE(DS) + REG16(SI), 8) == 0) {
15423: REG8(AH) = 0xa1;
15424: return;
15425: }
15426: }
15427: REG8(AH) = 0x00;
15428: memcpy(ems_handles[REG16(DX)].name, mem + SREG_BASE(DS) + REG16(SI), 8);
15429: } else {
1.1.1.22 root 15430: unimplemented_67h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x67, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.20 root 15431: REG8(AH) = 0x8f;
1.1.1.19 root 15432: }
15433: }
15434:
15435: inline void msdos_int_67h_54h()
15436: {
15437: if(!support_ems) {
15438: REG8(AH) = 0x84;
15439: } else if(REG8(AL) == 0x00) {
1.1.1.31 root 15440: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 15441: if(ems_handles[i].allocated) {
15442: memcpy(mem + SREG_BASE(ES) + REG16(DI) + 10 * i + 2, ems_handles[i].name, 10);
15443: } else {
15444: memset(mem + SREG_BASE(ES) + REG16(DI) + 10 * i + 2, 0, 10);
15445: }
15446: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 10 * i + 0) = i;
15447: }
15448: REG8(AH) = 0x00;
15449: REG8(AL) = MAX_EMS_HANDLES;
15450: } else if(REG8(AL) == 0x01) {
15451: REG8(AH) = 0xa0; // not found
1.1.1.31 root 15452: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 15453: if(ems_handles[i].allocated && memcmp(ems_handles[REG16(DX)].name, mem + SREG_BASE(DS) + REG16(SI), 8) == 0) {
15454: REG8(AH) = 0x00;
15455: REG16(DX) = i;
15456: break;
15457: }
15458: }
15459: } else if(REG8(AL) == 0x02) {
15460: REG8(AH) = 0x00;
15461: REG16(BX) = MAX_EMS_HANDLES;
15462: } else {
1.1.1.22 root 15463: unimplemented_67h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x67, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.20 root 15464: REG8(AH) = 0x8f;
15465: }
15466: }
15467:
1.1.1.49 root 15468: inline void msdos_int_67h_55h()
15469: {
15470: if(!support_ems) {
15471: REG8(AH) = 0x84;
15472: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
15473: REG8(AH) = 0x83;
15474: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
15475: UINT16 jump_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0);
15476: UINT16 jump_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2);
15477: UINT8 entries = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 4);
15478: UINT16 map_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 5);
15479: UINT16 map_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 7);
15480:
15481: for(int i = 0; i < (int)entries; i++) {
15482: int logical = *(UINT16 *)(mem + (map_seg << 4) + map_ofs + 4 * i + 0);
15483: int physical = *(UINT16 *)(mem + (map_seg << 4) + map_ofs + 4 * i + 2);
15484:
15485: if(REG8(AL) == 0x01) {
15486: physical = ((physical << 4) - EMS_TOP) / 0x4000;
15487: }
15488: // if(!(physical < 4)) {
15489: // REG8(AH) = 0x8b;
15490: // return;
15491: // } else
15492: if(logical == 0xffff) {
15493: ems_unmap_page(physical & 3);
15494: } else if(logical < ems_handles[REG16(DX)].pages) {
15495: ems_map_page(physical & 3, REG16(DX), logical);
15496: } else {
15497: REG8(AH) = 0x8a;
15498: return;
15499: }
15500: }
15501: i386_jmp_far(jump_seg, jump_ofs);
15502: REG8(AH) = 0x00;
15503: } else {
15504: unimplemented_67h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x67, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
15505: REG8(AH) = 0x8f;
15506: }
15507: }
15508:
15509: inline void msdos_int_67h_56h()
15510: {
15511: if(!support_ems) {
15512: REG8(AH) = 0x84;
15513: } else if(REG8(AL) == 0x02) {
15514: REG16(BX) = (2 + 2) * 4;
15515: REG8(AH) = 0x00;
15516: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
15517: REG8(AH) = 0x83;
15518: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
15519: UINT16 call_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0);
15520: UINT16 call_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2);
15521: UINT8 new_entries = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 4);
15522: UINT16 new_map_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 5);
15523: UINT16 new_map_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 7);
15524: #if 0
15525: UINT8 old_entries = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 9);
15526: UINT16 old_map_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 10);
15527: UINT16 old_map_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 12);
15528: #endif
15529: UINT16 handles[4], pages[4];
15530:
15531: // alter page map and call routine is at fffc:001f
15532: if(!(call_seg == 0 && call_ofs == 0)) {
15533: mem[DUMMY_TOP + 0x1f] = 0x9a; // call far
15534: mem[DUMMY_TOP + 0x20] = (call_ofs >> 0) & 0xff;
15535: mem[DUMMY_TOP + 0x21] = (call_ofs >> 8) & 0xff;
15536: mem[DUMMY_TOP + 0x22] = (call_seg >> 0) & 0xff;
15537: mem[DUMMY_TOP + 0x23] = (call_seg >> 8) & 0xff;
15538: } else {
15539: // invalid call addr :-(
15540: mem[DUMMY_TOP + 0x1f] = 0x90; // nop
15541: mem[DUMMY_TOP + 0x20] = 0x90; // nop
15542: mem[DUMMY_TOP + 0x21] = 0x90; // nop
15543: mem[DUMMY_TOP + 0x22] = 0x90; // nop
15544: mem[DUMMY_TOP + 0x23] = 0x90; // nop
15545: }
15546: // do call far (push cs/ip) in old mapping
15547: i386_call_far(DUMMY_TOP >> 4, 0x001f);
15548:
15549: // get old mapping data
15550: #if 0
15551: for(int i = 0; i < (int)old_entries; i++) {
15552: int logical = *(UINT16 *)(mem + (old_map_seg << 4) + old_map_ofs + 4 * i + 0);
15553: int physical = *(UINT16 *)(mem + (old_map_seg << 4) + old_map_ofs + 4 * i + 2);
15554:
15555: if(REG8(AL) == 0x01) {
15556: physical = ((physical << 4) - EMS_TOP) / 0x4000;
15557: }
15558: // if(!(physical < 4)) {
15559: // REG8(AH) = 0x8b;
15560: // return;
15561: // } else
15562: if(logical == 0xffff) {
15563: ems_unmap_page(physical & 3);
15564: } else if(logical < ems_handles[REG16(DX)].pages) {
15565: ems_map_page(physical & 3, REG16(DX), logical);
15566: } else {
15567: REG8(AH) = 0x8a;
15568: return;
15569: }
15570: }
15571: #endif
15572: for(int i = 0; i < 4; i++) {
15573: handles[i] = ems_pages[i].mapped ? ems_pages[i].handle : 0xffff;
15574: pages [i] = ems_pages[i].mapped ? ems_pages[i].page : 0xffff;
15575: }
15576:
15577: // set new mapping
15578: for(int i = 0; i < (int)new_entries; i++) {
15579: int logical = *(UINT16 *)(mem + (new_map_seg << 4) + new_map_ofs + 4 * i + 0);
15580: int physical = *(UINT16 *)(mem + (new_map_seg << 4) + new_map_ofs + 4 * i + 2);
15581:
15582: if(REG8(AL) == 0x01) {
15583: physical = ((physical << 4) - EMS_TOP) / 0x4000;
15584: }
15585: // if(!(physical < 4)) {
15586: // REG8(AH) = 0x8b;
15587: // return;
15588: // } else
15589: if(logical == 0xffff) {
15590: ems_unmap_page(physical & 3);
15591: } else if(logical < ems_handles[REG16(DX)].pages) {
15592: ems_map_page(physical & 3, REG16(DX), logical);
15593: } else {
15594: REG8(AH) = 0x8a;
15595: return;
15596: }
15597: }
15598:
15599: // push old mapping data in new mapping
15600: for(int i = 0; i < 4; i++) {
15601: i386_push16(handles[i]);
15602: i386_push16(pages [i]);
15603: }
15604: REG8(AH) = 0x00;
15605: } else {
15606: unimplemented_67h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x67, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
15607: REG8(AH) = 0x8f;
15608: }
15609: }
15610:
1.1.1.20 root 15611: inline void msdos_int_67h_57h_tmp()
15612: {
15613: UINT32 copy_length = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00);
15614: UINT8 src_type = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x04);
15615: UINT16 src_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x05);
15616: UINT16 src_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07);
15617: UINT16 src_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x09);
15618: UINT8 dest_type = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0b);
15619: UINT16 dest_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0c);
15620: UINT16 dest_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0e);
15621: UINT16 dest_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x10);
15622:
1.1.1.32 root 15623: UINT8 *src_buffer = NULL, *dest_buffer = NULL;
1.1.1.20 root 15624: UINT32 src_addr, dest_addr;
15625: UINT32 src_addr_max, dest_addr_max;
15626:
15627: if(src_type == 0) {
15628: src_buffer = mem;
15629: src_addr = (src_seg << 4) + src_ofs;
15630: src_addr_max = MAX_MEM;
15631: } else {
1.1.1.31 root 15632: if(!(src_handle >= 1 && src_handle <= MAX_EMS_HANDLES && ems_handles[src_handle].allocated)) {
1.1.1.20 root 15633: REG8(AH) = 0x83;
15634: return;
15635: } else if(!(src_seg < ems_handles[src_handle].pages)) {
15636: REG8(AH) = 0x8a;
15637: return;
15638: }
1.1.1.32 root 15639: if(ems_handles[src_handle].buffer != NULL) {
15640: src_buffer = ems_handles[src_handle].buffer + 0x4000 * src_seg;
15641: }
1.1.1.20 root 15642: src_addr = src_ofs;
1.1.1.32 root 15643: src_addr_max = 0x4000 * (ems_handles[src_handle].pages - src_seg);
1.1.1.20 root 15644: }
15645: if(dest_type == 0) {
15646: dest_buffer = mem;
15647: dest_addr = (dest_seg << 4) + dest_ofs;
15648: dest_addr_max = MAX_MEM;
15649: } else {
1.1.1.31 root 15650: if(!(dest_handle >= 1 && dest_handle <= MAX_EMS_HANDLES && ems_handles[dest_handle].allocated)) {
1.1.1.20 root 15651: REG8(AH) = 0x83;
15652: return;
15653: } else if(!(dest_seg < ems_handles[dest_handle].pages)) {
15654: REG8(AH) = 0x8a;
15655: return;
15656: }
1.1.1.32 root 15657: if(ems_handles[dest_handle].buffer != NULL) {
15658: dest_buffer = ems_handles[dest_handle].buffer + 0x4000 * dest_seg;
15659: }
1.1.1.20 root 15660: dest_addr = dest_ofs;
1.1.1.32 root 15661: dest_addr_max = 0x4000 * (ems_handles[dest_handle].pages - dest_seg);
1.1.1.20 root 15662: }
1.1.1.32 root 15663: if(src_buffer != NULL && dest_buffer != NULL) {
15664: for(int i = 0; i < copy_length; i++) {
15665: if(src_addr < src_addr_max && dest_addr < dest_addr_max) {
15666: if(REG8(AL) == 0x00) {
15667: dest_buffer[dest_addr++] = src_buffer[src_addr++];
15668: } else if(REG8(AL) == 0x01) {
15669: UINT8 tmp = dest_buffer[dest_addr];
15670: dest_buffer[dest_addr++] = src_buffer[src_addr];
15671: src_buffer[src_addr++] = tmp;
15672: }
15673: } else {
15674: REG8(AH) = 0x93;
15675: return;
1.1.1.20 root 15676: }
15677: }
1.1.1.32 root 15678: REG8(AH) = 0x00;
15679: } else {
15680: REG8(AH) = 0x80;
1.1.1.20 root 15681: }
15682: }
15683:
15684: inline void msdos_int_67h_57h()
15685: {
15686: if(!support_ems) {
15687: REG8(AH) = 0x84;
15688: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
15689: struct {
15690: UINT16 handle;
15691: UINT16 page;
15692: bool mapped;
15693: } tmp_pages[4];
15694:
15695: // unmap pages to copy memory data to ems buffer
15696: for(int i = 0; i < 4; i++) {
15697: tmp_pages[i].handle = ems_pages[i].handle;
15698: tmp_pages[i].page = ems_pages[i].page;
15699: tmp_pages[i].mapped = ems_pages[i].mapped;
15700: ems_unmap_page(i);
15701: }
15702:
15703: // run move/exchange operation
15704: msdos_int_67h_57h_tmp();
15705:
15706: // restore unmapped pages
15707: for(int i = 0; i < 4; i++) {
15708: if(tmp_pages[i].mapped) {
15709: ems_map_page(i, tmp_pages[i].handle, tmp_pages[i].page);
15710: }
15711: }
15712: } else {
1.1.1.22 root 15713: unimplemented_67h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x67, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.20 root 15714: REG8(AH) = 0x8f;
15715: }
15716: }
15717:
15718: inline void msdos_int_67h_58h()
15719: {
15720: if(!support_ems) {
15721: REG8(AH) = 0x84;
15722: } else if(REG8(AL) == 0x00) {
15723: for(int i = 0; i < 4; i++) {
1.1.1.30 root 15724: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 0) = (EMS_TOP + 0x4000 * i) >> 4;
15725: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 2) = i;
1.1.1.20 root 15726: }
15727: REG8(AH) = 0x00;
15728: REG16(CX) = 4;
15729: } else if(REG8(AL) == 0x01) {
15730: REG8(AH) = 0x00;
15731: REG16(CX) = 4;
15732: } else {
1.1.1.22 root 15733: unimplemented_67h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x67, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.20 root 15734: REG8(AH) = 0x8f;
15735: }
15736: }
15737:
1.1.1.42 root 15738: inline void msdos_int_67h_59h()
15739: {
15740: if(!support_ems) {
15741: REG8(AH) = 0x84;
15742: } else if(REG8(AL) == 0x00) {
1.1.1.49 root 15743: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 1024;
15744: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2) = 0;
15745: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4) = 4 * 4;
15746: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 6) = 0;
15747: REG8(AH) = 0x00;
15748: // REG8(AH) = 0xa4; // access denied by operating system
1.1.1.42 root 15749: } else if(REG8(AL) == 0x01) {
15750: REG8(AH) = 0x00;
15751: REG16(BX) = free_ems_pages;
15752: REG16(DX) = MAX_EMS_PAGES;
15753: } else {
15754: unimplemented_67h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x67, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
15755: REG8(AH) = 0x8f;
15756: }
15757: }
15758:
1.1.1.20 root 15759: inline void msdos_int_67h_5ah()
15760: {
15761: if(!support_ems) {
1.1.1.19 root 15762: REG8(AH) = 0x84;
1.1.1.20 root 15763: } else if(REG16(BX) > MAX_EMS_PAGES) {
15764: REG8(AH) = 0x87;
15765: } else if(REG16(BX) > free_ems_pages) {
15766: REG8(AH) = 0x88;
15767: // } else if(REG16(BX) == 0) {
15768: // REG8(AH) = 0x89;
15769: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
1.1.1.31 root 15770: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.20 root 15771: if(!ems_handles[i].allocated) {
15772: ems_allocate_pages(i, REG16(BX));
15773: REG8(AH) = 0x00;
15774: REG16(DX) = i;
15775: return;
15776: }
15777: }
15778: REG8(AH) = 0x85;
15779: } else {
1.1.1.22 root 15780: unimplemented_67h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x67, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.20 root 15781: REG8(AH) = 0x8f;
1.1.1.19 root 15782: }
15783: }
15784:
1.1.1.49 root 15785: inline void msdos_int_67h_5bh()
15786: {
15787: static UINT8 stored_bl = 0x00;
15788: static UINT16 stored_es = 0x0000;
15789: static UINT16 stored_di = 0x0000;
15790:
15791: if(!support_ems) {
15792: REG8(AH) = 0x84;
15793: } else if(REG8(AL) == 0x00) {
15794: if(stored_bl == 0x00) {
15795: if(!(stored_es == 0 && stored_di == 0)) {
15796: for(int i = 0; i < 4; i++) {
15797: *(UINT16 *)(mem + (stored_es << 4) + stored_di + 4 * i + 0) = ems_pages[i].mapped ? ems_pages[i].handle : 0xffff;
15798: *(UINT16 *)(mem + (stored_es << 4) + stored_di + 4 * i + 2) = ems_pages[i].mapped ? ems_pages[i].page : 0xffff;
15799: }
15800: }
15801: SREG(ES) = stored_es;
15802: i386_load_segment_descriptor(ES);
15803: REG16(DI) = stored_di;
15804: } else {
15805: REG8(BL) = stored_bl;
15806: }
15807: REG8(AH) = 0x00;
15808: } else if(REG8(AL) == 0x01) {
15809: if(REG8(BL) == 0x00) {
15810: if(!(SREG(ES) == 0 && REG16(DI) == 0)) {
15811: for(int i = 0; i < 4; i++) {
15812: UINT16 handle = *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 0);
15813: UINT16 page = *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 2);
15814:
15815: if(handle >= 1 && handle <= MAX_EMS_HANDLES && ems_handles[handle].allocated && page < ems_handles[handle].pages) {
15816: ems_map_page(i, handle, page);
15817: } else {
15818: ems_unmap_page(i);
15819: }
15820: }
15821: }
15822: }
15823: stored_bl = REG8(BL);
15824: stored_es = SREG(ES);
15825: stored_di = REG16(DI);
15826: REG8(AH) = 0x00;
15827: } else if(REG8(AL) == 0x02) {
15828: REG16(DX) = 4 * 4;
15829: REG8(AH) = 0x00;
15830: } else if(REG8(AL) == 0x03) {
15831: REG8(BL) = 0x00; // not supported
15832: REG8(AH) = 0x00;
15833: } else if(REG8(AL) == 0x04) {
15834: REG8(AH) = 0x00;
15835: } else if(REG8(AL) == 0x05) {
15836: REG8(BL) = 0x00; // not supported
15837: REG8(AH) = 0x00;
15838: } else {
15839: unimplemented_67h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x67, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
15840: REG8(AH) = 0x8f;
15841: }
15842: }
15843:
1.1.1.43 root 15844: inline void msdos_int_67h_5dh()
15845: {
15846: if(!support_ems) {
15847: REG8(AH) = 0x84;
15848: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01 || REG8(AL) == 0x02) {
15849: REG8(AH) = 0xa4; // operating system denied access
15850: } else {
15851: unimplemented_67h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x67, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
15852: REG8(AH) = 0x8f;
15853: }
15854: }
15855:
1.1.1.49 root 15856: inline void msdos_int_67h_70h()
15857: {
15858: if(!support_ems) {
15859: REG8(AH) = 0x84;
15860: } else if(REG8(AL) == 0x00) {
15861: REG8(AL) = 0x00;
15862: REG8(AH) = 0x00;
15863: } else if(REG8(AL) == 0x01) {
15864: REG8(AL) = 0x00;
15865: // REG8(AH) = (REG8(BL) == 0x00) ? 0x00 : 0x80;
15866: REG8(AH) = 0x00;
15867: } else {
15868: unimplemented_67h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x67, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
15869: REG8(AH) = 0x8f;
15870: }
15871: }
15872:
1.1.1.30 root 15873: inline void msdos_int_67h_deh()
15874: {
15875: REG8(AH) = 0x84;
15876: }
15877:
1.1.1.19 root 15878: #ifdef SUPPORT_XMS
15879:
1.1.1.32 root 15880: void msdos_xms_init()
1.1.1.26 root 15881: {
1.1.1.30 root 15882: emb_handle_top = (emb_handle_t *)calloc(1, sizeof(emb_handle_t));
15883: emb_handle_top->address = EMB_TOP;
15884: emb_handle_top->size_kb = (EMB_END - EMB_TOP) >> 10;
1.1.1.26 root 15885: xms_a20_local_enb_count = 0;
15886: }
15887:
1.1.1.32 root 15888: void msdos_xms_finish()
15889: {
15890: msdos_xms_release();
15891: }
15892:
15893: void msdos_xms_release()
1.1.1.30 root 15894: {
15895: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL;) {
15896: emb_handle_t *next_handle = emb_handle->next;
15897: free(emb_handle);
15898: emb_handle = next_handle;
15899: }
15900: }
15901:
15902: emb_handle_t *msdos_xms_get_emb_handle(int handle)
15903: {
15904: if(handle != 0) {
15905: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
15906: if(emb_handle->handle == handle) {
15907: return(emb_handle);
15908: }
15909: }
15910: }
15911: return(NULL);
15912: }
15913:
15914: int msdos_xms_get_unused_emb_handle_id()
15915: {
15916: for(int handle = 1;; handle++) {
15917: if(msdos_xms_get_emb_handle(handle) == NULL) {
15918: return(handle);
15919: }
15920: }
15921: return(0);
15922: }
15923:
15924: int msdos_xms_get_unused_emb_handle_count()
15925: {
15926: int count = 64; //255;
15927:
15928: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
15929: if(emb_handle->handle != 0) {
15930: if(--count == 1) {
15931: break;
15932: }
15933: }
15934: }
15935: return(count);
15936: }
15937:
15938: void msdos_xms_split_emb_handle(emb_handle_t *emb_handle, int size_kb)
15939: {
15940: if(emb_handle->size_kb > size_kb) {
15941: emb_handle_t *new_handle = (emb_handle_t *)calloc(1, sizeof(emb_handle_t));
15942:
15943: new_handle->address = emb_handle->address + size_kb * 1024;
15944: new_handle->size_kb = emb_handle->size_kb - size_kb;
15945: emb_handle->size_kb = size_kb;
15946:
15947: new_handle->prev = emb_handle;
15948: new_handle->next = emb_handle->next;
15949: if(emb_handle->next != NULL) {
15950: emb_handle->next->prev = new_handle;
15951: }
15952: emb_handle->next = new_handle;
15953: }
15954: }
15955:
15956: void msdos_xms_combine_emb_handles(emb_handle_t *emb_handle)
15957: {
15958: emb_handle_t *next_handle = emb_handle->next;
15959:
15960: if(next_handle != NULL) {
15961: emb_handle->size_kb += next_handle->size_kb;
15962:
15963: if(next_handle->next != NULL) {
15964: next_handle->next->prev = emb_handle;
15965: }
15966: emb_handle->next = next_handle->next;
15967: free(next_handle);
15968: }
15969: }
15970:
15971: emb_handle_t *msdos_xms_alloc_emb_handle(int size_kb)
15972: {
15973: emb_handle_t *target_handle = NULL;
15974:
15975: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
15976: if(emb_handle->handle == 0 && emb_handle->size_kb >= size_kb) {
15977: if(target_handle == NULL || target_handle->size_kb > emb_handle->size_kb) {
15978: target_handle = emb_handle;
15979: }
15980: }
15981: }
15982: if(target_handle != NULL) {
15983: if(target_handle->size_kb > size_kb) {
15984: msdos_xms_split_emb_handle(target_handle, size_kb);
15985: }
15986: // target_handle->handle = msdos_xms_get_unused_emb_handle_id();
15987: return(target_handle);
15988: }
15989: return(NULL);
15990: }
15991:
15992: void msdos_xms_free_emb_handle(emb_handle_t *emb_handle)
15993: {
15994: emb_handle_t *prev_handle = emb_handle->prev;
15995: emb_handle_t *next_handle = emb_handle->next;
15996:
15997: if(prev_handle != NULL && prev_handle->handle == 0) {
15998: msdos_xms_combine_emb_handles(prev_handle);
15999: emb_handle = prev_handle;
16000: }
16001: if(next_handle != NULL && next_handle->handle == 0) {
16002: msdos_xms_combine_emb_handles(emb_handle);
16003: }
16004: emb_handle->handle = 0;
16005: }
16006:
1.1.1.19 root 16007: inline void msdos_call_xms_00h()
16008: {
1.1.1.29 root 16009: #if defined(HAS_I386)
16010: REG16(AX) = 0x0300; // V3.00 (XMS Version)
1.1.1.45 root 16011: // REG16(BX) = 0x0395; // V3.95 (Driver Revision in BCD)
1.1.1.29 root 16012: REG16(BX) = 0x035f; // V3.95 (Driver Revision)
16013: #else
16014: REG16(AX) = 0x0200; // V2.00 (XMS Version)
16015: REG16(BX) = 0x0270; // V2.70 (Driver Revision)
16016: #endif
16017: // REG16(DX) = 0x0000; // HMA does not exist
16018: REG16(DX) = 0x0001; // HMA does exist
1.1.1.19 root 16019: }
16020:
16021: inline void msdos_call_xms_01h()
16022: {
1.1.1.29 root 16023: if(REG8(AL) == 0x40) {
16024: // HIMEM.SYS will fail function 01h with error code 91h if AL=40h and
16025: // DX=KB free extended memory returned by last call of function 08h
16026: REG16(AX) = 0x0000;
16027: REG8(BL) = 0x91;
16028: REG16(DX) = xms_dx_after_call_08h;
16029: } else if(memcmp(mem + 0x100003, "VDISK", 5) == 0) {
16030: REG16(AX) = 0x0000;
16031: REG8(BL) = 0x81; // Vdisk was detected
16032: #ifdef SUPPORT_HMA
16033: } else if(is_hma_used_by_int_2fh) {
16034: REG16(AX) = 0x0000;
16035: REG8(BL) = 0x90; // HMA does not exist or is not managed by XMS provider
16036: } else if(is_hma_used_by_xms) {
16037: REG16(AX) = 0x0000;
16038: REG8(BL) = 0x91; // HMA is already in use
16039: } else {
16040: REG16(AX) = 0x0001;
16041: is_hma_used_by_xms = true;
16042: #else
16043: } else {
16044: REG16(AX) = 0x0000;
16045: REG8(BL) = 0x91; // HMA is already in use
16046: #endif
16047: }
1.1.1.19 root 16048: }
16049:
16050: inline void msdos_call_xms_02h()
16051: {
1.1.1.29 root 16052: if(memcmp(mem + 0x100003, "VDISK", 5) == 0) {
16053: REG16(AX) = 0x0000;
16054: REG8(BL) = 0x81; // Vdisk was detected
16055: #ifdef SUPPORT_HMA
16056: } else if(is_hma_used_by_int_2fh) {
16057: REG16(AX) = 0x0000;
16058: REG8(BL) = 0x90; // HMA does not exist or is not managed by XMS provider
16059: } else if(!is_hma_used_by_xms) {
16060: REG16(AX) = 0x0000;
16061: REG8(BL) = 0x93; // HMA is not allocated
16062: } else {
16063: REG16(AX) = 0x0001;
16064: is_hma_used_by_xms = false;
16065: // restore first free mcb in high memory area
16066: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
16067: #else
16068: } else {
16069: REG16(AX) = 0x0000;
16070: REG8(BL) = 0x91; // HMA is already in use
16071: #endif
16072: }
1.1.1.19 root 16073: }
16074:
16075: inline void msdos_call_xms_03h()
16076: {
16077: i386_set_a20_line(1);
16078: REG16(AX) = 0x0001;
16079: REG8(BL) = 0x00;
16080: }
16081:
16082: inline void msdos_call_xms_04h()
16083: {
1.1.1.21 root 16084: i386_set_a20_line(0);
16085: REG16(AX) = 0x0001;
16086: REG8(BL) = 0x00;
1.1.1.19 root 16087: }
16088:
16089: inline void msdos_call_xms_05h()
16090: {
16091: i386_set_a20_line(1);
16092: REG16(AX) = 0x0001;
16093: REG8(BL) = 0x00;
1.1.1.21 root 16094: xms_a20_local_enb_count++;
1.1.1.19 root 16095: }
16096:
16097: void msdos_call_xms_06h()
16098: {
1.1.1.21 root 16099: if(xms_a20_local_enb_count > 0) {
1.1.1.45 root 16100: if(--xms_a20_local_enb_count == 0) {
16101: i386_set_a20_line(0);
16102: REG16(AX) = 0x0001;
16103: REG8(BL) = 0x00;
16104: } else {
16105: REG16(AX) = 0x0000;
16106: REG8(BL) = 0x94;
16107: }
1.1.1.21 root 16108: } else {
1.1.1.45 root 16109: i386_set_a20_line(0);
1.1.1.21 root 16110: REG16(AX) = 0x0001;
16111: REG8(BL) = 0x00;
1.1.1.19 root 16112: }
16113: }
16114:
16115: inline void msdos_call_xms_07h()
16116: {
16117: REG16(AX) = (m_a20_mask >> 20) & 1;
16118: REG8(BL) = 0x00;
16119: }
16120:
16121: inline void msdos_call_xms_08h()
16122: {
1.1.1.45 root 16123: UINT32 eax = 0, edx = 0;
1.1.1.19 root 16124:
1.1.1.30 root 16125: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
16126: if(emb_handle->handle == 0) {
1.1.1.45 root 16127: if(eax < emb_handle->size_kb) {
16128: eax = emb_handle->size_kb;
1.1.1.19 root 16129: }
1.1.1.45 root 16130: edx += emb_handle->size_kb;
1.1.1.19 root 16131: }
16132: }
1.1.1.45 root 16133: if(eax > 65535) {
16134: eax = 65535;
16135: }
16136: if(edx > 65535) {
16137: edx = 65535;
16138: }
16139: if(eax == 0 && edx == 0) {
1.1.1.19 root 16140: REG8(BL) = 0xa0;
16141: } else {
16142: REG8(BL) = 0x00;
16143: }
1.1.1.45 root 16144: #if defined(HAS_I386)
16145: REG32(EAX) = eax;
16146: REG32(EDX) = edx;
16147: #else
16148: REG16(AX) = (UINT16)eax;
16149: REG16(DX) = (UINT16)edx;
16150: #endif
1.1.1.29 root 16151: xms_dx_after_call_08h = REG16(DX);
1.1.1.19 root 16152: }
16153:
1.1.1.30 root 16154: void msdos_call_xms_09h(int size_kb)
1.1.1.19 root 16155: {
1.1.1.30 root 16156: emb_handle_t *emb_handle = msdos_xms_alloc_emb_handle(size_kb);
16157:
16158: if(emb_handle != NULL) {
16159: emb_handle->handle = msdos_xms_get_unused_emb_handle_id();
16160:
16161: REG16(AX) = 0x0001;
16162: REG16(DX) = emb_handle->handle;
16163: REG8(BL) = 0x00;
16164: } else {
16165: REG16(AX) = REG16(DX) = 0x0000;
16166: REG8(BL) = 0xa0;
1.1.1.19 root 16167: }
1.1.1.30 root 16168: }
16169:
16170: inline void msdos_call_xms_09h()
16171: {
16172: msdos_call_xms_09h(REG16(DX));
1.1.1.19 root 16173: }
16174:
16175: inline void msdos_call_xms_0ah()
16176: {
1.1.1.30 root 16177: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
16178:
16179: if(emb_handle == NULL) {
1.1.1.19 root 16180: REG16(AX) = 0x0000;
16181: REG8(BL) = 0xa2;
1.1.1.45 root 16182: // } else if(emb_handle->lock > 0) {
16183: // REG16(AX) = 0x0000;
16184: // REG8(BL) = 0xab;
1.1.1.19 root 16185: } else {
1.1.1.30 root 16186: msdos_xms_free_emb_handle(emb_handle);
1.1.1.19 root 16187:
16188: REG16(AX) = 0x0001;
16189: REG8(BL) = 0x00;
16190: }
16191: }
16192:
16193: inline void msdos_call_xms_0bh()
16194: {
16195: UINT32 copy_length = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00);
16196: UINT16 src_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x04);
16197: UINT32 src_addr = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x06);
16198: UINT16 dest_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0a);
16199: UINT32 dest_addr = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0c);
16200:
16201: UINT8 *src_buffer, *dest_buffer;
16202: UINT32 src_addr_max, dest_addr_max;
1.1.1.30 root 16203: emb_handle_t *emb_handle;
1.1.1.19 root 16204:
16205: if(src_handle == 0) {
16206: src_buffer = mem;
16207: src_addr = (((src_addr >> 16) & 0xffff) << 4) + (src_addr & 0xffff);
16208: src_addr_max = MAX_MEM;
16209: } else {
1.1.1.30 root 16210: if((emb_handle = msdos_xms_get_emb_handle(src_handle)) == NULL) {
1.1.1.19 root 16211: REG16(AX) = 0x0000;
16212: REG8(BL) = 0xa3;
16213: return;
16214: }
1.1.1.30 root 16215: src_buffer = mem + emb_handle->address;
16216: src_addr_max = emb_handle->size_kb * 1024;
1.1.1.19 root 16217: }
16218: if(dest_handle == 0) {
16219: dest_buffer = mem;
16220: dest_addr = (((dest_addr >> 16) & 0xffff) << 4) + (dest_addr & 0xffff);
16221: dest_addr_max = MAX_MEM;
16222: } else {
1.1.1.30 root 16223: if((emb_handle = msdos_xms_get_emb_handle(dest_handle)) == NULL) {
1.1.1.19 root 16224: REG16(AX) = 0x0000;
16225: REG8(BL) = 0xa5;
16226: return;
16227: }
1.1.1.30 root 16228: dest_buffer = mem + emb_handle->address;
16229: dest_addr_max = emb_handle->size_kb * 1024;
1.1.1.19 root 16230: }
16231: for(int i = 0; i < copy_length; i++) {
16232: if(src_addr < src_addr_max && dest_addr < dest_addr_max) {
16233: dest_buffer[dest_addr++] = src_buffer[src_addr++];
16234: } else {
16235: break;
16236: }
16237: }
16238: REG16(AX) = 0x0001;
16239: REG8(BL) = 0x00;
16240: }
16241:
16242: inline void msdos_call_xms_0ch()
16243: {
1.1.1.30 root 16244: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
16245:
16246: if(emb_handle == NULL) {
1.1.1.19 root 16247: REG16(AX) = 0x0000;
16248: REG8(BL) = 0xa2;
16249: } else {
1.1.1.45 root 16250: if(emb_handle->lock < 255) {
16251: emb_handle->lock++;
16252: }
1.1.1.19 root 16253: REG16(AX) = 0x0001;
1.1.1.30 root 16254: REG16(DX) = (emb_handle->address >> 16) & 0xffff;
16255: REG16(BX) = (emb_handle->address ) & 0xffff;
1.1.1.19 root 16256: }
16257: }
16258:
16259: inline void msdos_call_xms_0dh()
16260: {
1.1.1.30 root 16261: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
16262:
16263: if(emb_handle == NULL) {
1.1.1.19 root 16264: REG16(AX) = 0x0000;
16265: REG8(BL) = 0xa2;
1.1.1.30 root 16266: } else if(!(emb_handle->lock > 0)) {
1.1.1.19 root 16267: REG16(AX) = 0x0000;
16268: REG8(BL) = 0xaa;
16269: } else {
1.1.1.30 root 16270: emb_handle->lock--;
1.1.1.19 root 16271: REG16(AX) = 0x0001;
16272: REG8(BL) = 0x00;
16273: }
16274: }
16275:
16276: inline void msdos_call_xms_0eh()
16277: {
1.1.1.30 root 16278: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
16279:
16280: if(emb_handle == NULL) {
1.1.1.19 root 16281: REG16(AX) = 0x0000;
16282: REG8(BL) = 0xa2;
16283: } else {
16284: REG16(AX) = 0x0001;
1.1.1.30 root 16285: REG8(BH) = emb_handle->lock;
16286: REG8(BL) = msdos_xms_get_unused_emb_handle_count();
16287: REG16(DX) = emb_handle->size_kb;
1.1.1.19 root 16288: }
16289: }
16290:
1.1.1.30 root 16291: void msdos_call_xms_0fh(int size_kb)
1.1.1.19 root 16292: {
1.1.1.30 root 16293: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
16294:
16295: if(emb_handle == NULL) {
1.1.1.19 root 16296: REG16(AX) = 0x0000;
16297: REG8(BL) = 0xa2;
1.1.1.30 root 16298: } else if(emb_handle->lock > 0) {
1.1.1.19 root 16299: REG16(AX) = 0x0000;
16300: REG8(BL) = 0xab;
16301: } else {
1.1.1.30 root 16302: if(emb_handle->size_kb < size_kb) {
16303: if(emb_handle->next != NULL && emb_handle->next->handle == 0 && (emb_handle->size_kb + emb_handle->next->size_kb) >= size_kb) {
16304: msdos_xms_combine_emb_handles(emb_handle);
16305: if(emb_handle->size_kb > size_kb) {
16306: msdos_xms_split_emb_handle(emb_handle, size_kb);
16307: }
16308: } else {
16309: int old_handle = emb_handle->handle;
16310: int old_size_kb = emb_handle->size_kb;
16311: UINT8 *buffer = (UINT8 *)malloc(old_size_kb * 1024);
16312:
16313: memcpy(buffer, mem + emb_handle->address, old_size_kb * 1024);
16314: msdos_xms_free_emb_handle(emb_handle);
16315:
16316: if((emb_handle = msdos_xms_alloc_emb_handle(size_kb)) == NULL) {
16317: emb_handle = msdos_xms_alloc_emb_handle(old_size_kb); // should be always successed
16318: }
16319: emb_handle->handle = old_handle;
16320: memcpy(mem + emb_handle->address, buffer, old_size_kb * 1024);
16321: free(buffer);
16322: }
16323: } else if(emb_handle->size_kb > size_kb) {
16324: msdos_xms_split_emb_handle(emb_handle, size_kb);
16325: }
16326: if(emb_handle->size_kb != size_kb) {
16327: REG16(AX) = 0x0000;
16328: REG8(BL) = 0xa0;
16329: } else {
16330: REG16(AX) = 0x0001;
16331: REG8(BL) = 0x00;
16332: }
1.1.1.19 root 16333: }
16334: }
16335:
1.1.1.30 root 16336: inline void msdos_call_xms_0fh()
16337: {
16338: msdos_call_xms_0fh(REG16(BX));
16339: }
16340:
1.1.1.19 root 16341: inline void msdos_call_xms_10h()
16342: {
16343: int seg;
16344:
16345: if((seg = msdos_mem_alloc(UMB_TOP >> 4, REG16(DX), 0)) != -1) {
16346: REG16(AX) = 0x0001;
16347: REG16(BX) = seg;
16348: } else {
16349: REG16(AX) = 0x0000;
16350: REG8(BL) = 0xb0;
16351: REG16(DX) = msdos_mem_get_free(UMB_TOP >> 4, 0);
16352: }
16353: }
16354:
16355: inline void msdos_call_xms_11h()
16356: {
16357: int mcb_seg = REG16(DX) - 1;
16358: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
16359:
16360: if(mcb->mz == 'M' || mcb->mz == 'Z') {
16361: msdos_mem_free(REG16(DX));
16362: REG16(AX) = 0x0001;
16363: REG8(BL) = 0x00;
16364: } else {
16365: REG16(AX) = 0x0000;
16366: REG8(BL) = 0xb2;
16367: }
16368: }
16369:
16370: inline void msdos_call_xms_12h()
16371: {
16372: int mcb_seg = REG16(DX) - 1;
16373: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
16374: int max_paragraphs;
16375:
16376: if(mcb->mz == 'M' || mcb->mz == 'Z') {
16377: if(!msdos_mem_realloc(REG16(DX), REG16(BX), &max_paragraphs)) {
16378: REG16(AX) = 0x0001;
16379: REG8(BL) = 0x00;
16380: } else {
16381: REG16(AX) = 0x0000;
16382: REG8(BL) = 0xb0;
16383: REG16(DX) = max_paragraphs;
16384: }
16385: } else {
16386: REG16(AX) = 0x0000;
16387: REG8(BL) = 0xb2;
16388: }
16389: }
16390:
1.1.1.29 root 16391: #if defined(HAS_I386)
16392:
16393: inline void msdos_call_xms_88h()
16394: {
16395: REG32(EAX) = REG32(EDX) = 0x0000;
16396:
1.1.1.30 root 16397: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
16398: if(emb_handle->handle == 0) {
16399: if(REG32(EAX) < emb_handle->size_kb) {
16400: REG32(EAX) = emb_handle->size_kb;
1.1.1.29 root 16401: }
1.1.1.30 root 16402: REG32(EDX) += emb_handle->size_kb;
1.1.1.29 root 16403: }
16404: }
16405: if(REG32(EAX) == 0 && REG32(EDX) == 0) {
16406: REG8(BL) = 0xa0;
16407: } else {
16408: REG8(BL) = 0x00;
16409: }
16410: REG32(ECX) = EMB_END - 1;
16411: }
16412:
16413: inline void msdos_call_xms_89h()
16414: {
1.1.1.30 root 16415: msdos_call_xms_09h(REG32(EDX));
1.1.1.29 root 16416: }
16417:
16418: inline void msdos_call_xms_8eh()
16419: {
1.1.1.30 root 16420: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
16421:
16422: if(emb_handle == NULL) {
1.1.1.29 root 16423: REG16(AX) = 0x0000;
16424: REG8(BL) = 0xa2;
16425: } else {
16426: REG16(AX) = 0x0001;
1.1.1.30 root 16427: REG8(BH) = emb_handle->lock;
16428: REG16(CX) = msdos_xms_get_unused_emb_handle_count();
16429: REG32(EDX) = emb_handle->size_kb;
1.1.1.29 root 16430: }
16431: }
16432:
16433: inline void msdos_call_xms_8fh()
16434: {
1.1.1.30 root 16435: msdos_call_xms_0fh(REG32(EBX));
1.1.1.29 root 16436: }
16437:
16438: #endif
1.1.1.19 root 16439: #endif
16440:
1.1.1.26 root 16441: UINT16 msdos_get_equipment()
16442: {
16443: static UINT16 equip = 0;
16444:
16445: if(equip == 0) {
16446: #ifdef SUPPORT_FPU
16447: equip |= (1 << 1); // 80x87 coprocessor installed
16448: #endif
16449: equip |= (1 << 2); // pointing device installed (PS/2)
16450: equip |= (2 << 4); // initial video mode (80x25 color)
16451: // equip |= (1 << 8); // 0 if DMA installed
16452: equip |= (2 << 9); // number of serial ports
16453: equip |= (3 << 14); // number of printer ports (NOTE: this number is 3 on Windows 98 SE though only LPT1 exists)
1.1.1.28 root 16454:
16455: // check only A: and B: if it is floppy drive
16456: int n = 0;
16457: for(int i = 0; i < 2; i++) {
1.1.1.44 root 16458: if(msdos_is_valid_drive(i) && msdos_is_removable_drive(i)) {
16459: n++;
1.1.1.28 root 16460: }
16461: }
16462: if(n != 0) {
16463: equip |= (1 << 0); // floppy disk(s) installed
16464: n--;
16465: equip |= (n << 6); // number of floppies installed less 1
16466: }
16467: // if(joyGetNumDevs() != 0) {
16468: // equip |= (1 << 12); // game port installed
16469: // }
1.1.1.26 root 16470: }
16471: return(equip);
16472: }
16473:
1.1 root 16474: void msdos_syscall(unsigned num)
16475: {
1.1.1.22 root 16476: #ifdef ENABLE_DEBUG_SYSCALL
1.1.1.43 root 16477: if(num == 0x08 || num == 0x1c) {
16478: // don't log the timer interrupts
1.1.1.45 root 16479: // fprintf(fp_debug_log, "int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", num, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.50 root 16480: } else if(num == 0x30) {
16481: // dummy interrupt for call 0005h (call near)
16482: fprintf(fp_debug_log, "call 0005h (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.43 root 16483: } else if(num == 0x68) {
1.1.1.22 root 16484: // dummy interrupt for EMS (int 67h)
1.1.1.33 root 16485: fprintf(fp_debug_log, "int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x67, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.22 root 16486: } else if(num == 0x69) {
16487: // dummy interrupt for XMS (call far)
1.1.1.33 root 16488: fprintf(fp_debug_log, "call XMS (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.50 root 16489: } else if(num >= 0x6a && num <= 0x6f) {
1.1.1.45 root 16490: // dummy interrupt
1.1.1.22 root 16491: } else {
1.1.1.33 root 16492: fprintf(fp_debug_log, "int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", num, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.22 root 16493: }
16494: #endif
1.1.1.36 root 16495: // update cursor position
16496: if(cursor_moved) {
16497: pcbios_update_cursor_position();
16498: cursor_moved = false;
16499: }
1.1.1.50 root 16500: #ifdef USE_SERVICE_THREAD
16501: // this is called from dummy loop to wait until a serive that waits input is done
16502: if(!in_service)
16503: #endif
1.1.1.33 root 16504: ctrl_break_detected = ctrl_break_pressed = ctrl_c_pressed = false;
1.1.1.22 root 16505:
1.1 root 16506: switch(num) {
16507: case 0x00:
1.1.1.28 root 16508: try {
16509: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
16510: error("division by zero\n");
16511: } catch(...) {
16512: fatalerror("division by zero detected, and failed to terminate current process\n");
16513: }
1.1 root 16514: break;
16515: case 0x04:
1.1.1.28 root 16516: try {
16517: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
16518: error("overflow\n");
16519: } catch(...) {
16520: fatalerror("overflow detected, and failed to terminate current process\n");
16521: }
1.1 root 16522: break;
16523: case 0x06:
16524: // NOTE: ish.com has illegal instruction...
1.1.1.14 root 16525: if(!ignore_illegal_insn) {
1.1.1.28 root 16526: try {
16527: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
16528: error("illegal instruction\n");
16529: } catch(...) {
16530: fatalerror("illegal instruction detected, and failed to terminate current process\n");
16531: }
1.1.1.14 root 16532: } else {
16533: #if defined(HAS_I386)
1.1.1.39 root 16534: m_eip = m_int6h_skip_eip;
16535: #elif defined(HAS_I286)
16536: m_pc = m_int6h_skip_pc;
1.1.1.14 root 16537: #else
1.1.1.39 root 16538: // 8086/80186 ignore an invalid opcode
1.1.1.14 root 16539: #endif
16540: }
1.1 root 16541: break;
1.1.1.33 root 16542: case 0x09:
16543: // ctrl-break is pressed
16544: if(raise_int_1bh) {
16545: #if defined(HAS_I386)
16546: m_ext = 0; // not an external interrupt
16547: i386_trap(0x1b, 1, 0);
16548: m_ext = 1;
16549: #else
16550: PREFIX86(_interrupt)(0x1b);
16551: #endif
16552: raise_int_1bh = false;
16553: }
1.1.1.8 root 16554: case 0x08:
1.1.1.14 root 16555: // pcbios_irq0(); // this causes too slow emulation...
1.1.1.8 root 16556: case 0x0b:
16557: case 0x0c:
16558: case 0x0d:
16559: case 0x0e:
16560: case 0x0f:
16561: // EOI
16562: pic[0].isr &= ~(1 << (num - 0x08));
16563: pic_update();
16564: break;
1.1 root 16565: case 0x10:
16566: // PC BIOS - Video
1.1.1.14 root 16567: if(!restore_console_on_exit) {
1.1.1.15 root 16568: change_console_size(scr_width, scr_height);
1.1 root 16569: }
1.1.1.3 root 16570: m_CF = 0;
1.1 root 16571: switch(REG8(AH)) {
1.1.1.16 root 16572: case 0x00: pcbios_int_10h_00h(); break;
1.1 root 16573: case 0x01: pcbios_int_10h_01h(); break;
16574: case 0x02: pcbios_int_10h_02h(); break;
16575: case 0x03: pcbios_int_10h_03h(); break;
16576: case 0x05: pcbios_int_10h_05h(); break;
16577: case 0x06: pcbios_int_10h_06h(); break;
16578: case 0x07: pcbios_int_10h_07h(); break;
16579: case 0x08: pcbios_int_10h_08h(); break;
16580: case 0x09: pcbios_int_10h_09h(); break;
16581: case 0x0a: pcbios_int_10h_0ah(); break;
16582: case 0x0b: break;
1.1.1.40 root 16583: case 0x0c: pcbios_int_10h_0ch(); break;
16584: case 0x0d: pcbios_int_10h_0dh(); break;
1.1 root 16585: case 0x0e: pcbios_int_10h_0eh(); break;
16586: case 0x0f: pcbios_int_10h_0fh(); break;
16587: case 0x10: break;
1.1.1.14 root 16588: case 0x11: pcbios_int_10h_11h(); break;
16589: case 0x12: pcbios_int_10h_12h(); break;
1.1 root 16590: case 0x13: pcbios_int_10h_13h(); break;
1.1.1.30 root 16591: case 0x18: pcbios_int_10h_18h(); break;
1.1.1.14 root 16592: case 0x1a: pcbios_int_10h_1ah(); break;
1.1.1.24 root 16593: case 0x1b: REG8(AL) = 0x00; break; // functionality/state information is not supported
16594: case 0x1c: REG8(AL) = 0x00; break; // save/restore video state is not supported
1.1 root 16595: case 0x1d: pcbios_int_10h_1dh(); break;
1.1.1.24 root 16596: case 0x1e: REG8(AL) = 0x00; break; // flat-panel functions are not supported
16597: case 0x1f: REG8(AL) = 0x00; break; // xga functions are not supported
1.1.1.22 root 16598: case 0x4f: pcbios_int_10h_4fh(); break;
1.1.1.30 root 16599: case 0x6f: break;
1.1.1.22 root 16600: case 0x80: m_CF = 1; break; // unknown
16601: case 0x81: m_CF = 1; break; // unknown
1.1 root 16602: case 0x82: pcbios_int_10h_82h(); break;
1.1.1.22 root 16603: case 0x83: pcbios_int_10h_83h(); break;
16604: case 0x8b: break;
16605: case 0x8c: m_CF = 1; break; // unknown
16606: case 0x8d: m_CF = 1; break; // unknown
16607: case 0x8e: m_CF = 1; break; // unknown
16608: case 0x90: pcbios_int_10h_90h(); break;
16609: case 0x91: pcbios_int_10h_91h(); break;
16610: case 0x92: break;
16611: case 0x93: break;
16612: case 0xef: pcbios_int_10h_efh(); break;
1.1.1.24 root 16613: case 0xfa: break; // ega register interface library is not installed
1.1 root 16614: case 0xfe: pcbios_int_10h_feh(); break;
16615: case 0xff: pcbios_int_10h_ffh(); break;
16616: default:
1.1.1.22 root 16617: unimplemented_10h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", num, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
16618: m_CF = 1;
1.1 root 16619: break;
16620: }
16621: break;
16622: case 0x11:
16623: // PC BIOS - Get Equipment List
1.1.1.26 root 16624: REG16(AX) = msdos_get_equipment();
1.1 root 16625: break;
16626: case 0x12:
16627: // PC BIOS - Get Memory Size
1.1.1.33 root 16628: REG16(AX) = *(UINT16 *)(mem + 0x413);
1.1 root 16629: break;
16630: case 0x13:
1.1.1.42 root 16631: // PC BIOS - Disk I/O
16632: {
16633: static UINT8 last = 0x00;
16634: switch(REG8(AH)) {
16635: case 0x00: pcbios_int_13h_00h(); break;
16636: case 0x01: // get last status
16637: REG8(AH) = last;
16638: break;
16639: case 0x02: pcbios_int_13h_02h(); break;
16640: case 0x03: pcbios_int_13h_03h(); break;
16641: case 0x04: pcbios_int_13h_04h(); break;
16642: case 0x08: pcbios_int_13h_08h(); break;
16643: case 0x0a: pcbios_int_13h_02h(); break;
16644: case 0x0b: pcbios_int_13h_03h(); break;
16645: case 0x0d: pcbios_int_13h_00h(); break;
16646: case 0x10: pcbios_int_13h_10h(); break;
16647: case 0x15: pcbios_int_13h_15h(); break;
1.1.1.43 root 16648: case 0x41: pcbios_int_13h_41h(); break;
1.1.1.42 root 16649: case 0x05: // format
16650: case 0x06:
16651: case 0x07:
16652: REG8(AH) = 0x0c; // unsupported track or invalid media
16653: m_CF = 1;
16654: break;
16655: case 0x09:
16656: case 0x0c: // seek
16657: case 0x11: // recalib
16658: case 0x14:
16659: case 0x17:
16660: REG8(AH) = 0x00; // successful completion
16661: break;
1.1.1.43 root 16662: case 0x21: // QUICKCACHE II v4.20 - Flush Cache
16663: case 0xa1: // Super PC-Kwik v3.20+ - Flush Cache
16664: REG8(AH) = 0x01; // invalid function
16665: m_CF = 1;
16666: break;
1.1.1.42 root 16667: default:
16668: unimplemented_13h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", num, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
16669: REG8(AH) = 0x01; // invalid function
16670: m_CF = 1;
16671: break;
16672: }
16673: last = REG8(AH);
16674: }
1.1 root 16675: break;
16676: case 0x14:
16677: // PC BIOS - Serial I/O
1.1.1.25 root 16678: switch(REG8(AH)) {
16679: case 0x00: pcbios_int_14h_00h(); break;
16680: case 0x01: pcbios_int_14h_01h(); break;
16681: case 0x02: pcbios_int_14h_02h(); break;
16682: case 0x03: pcbios_int_14h_03h(); break;
16683: case 0x04: pcbios_int_14h_04h(); break;
16684: case 0x05: pcbios_int_14h_05h(); break;
16685: default:
16686: unimplemented_14h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", num, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
16687: break;
16688: }
1.1 root 16689: break;
16690: case 0x15:
16691: // PC BIOS
1.1.1.3 root 16692: m_CF = 0;
1.1 root 16693: switch(REG8(AH)) {
1.1.1.14 root 16694: case 0x10: pcbios_int_15h_10h(); break;
1.1 root 16695: case 0x23: pcbios_int_15h_23h(); break;
16696: case 0x24: pcbios_int_15h_24h(); break;
1.1.1.24 root 16697: case 0x41: break;
1.1 root 16698: case 0x49: pcbios_int_15h_49h(); break;
1.1.1.22 root 16699: case 0x50: pcbios_int_15h_50h(); break;
1.1.1.30 root 16700: case 0x53: pcbios_int_15h_53h(); break;
1.1.1.43 root 16701: case 0x84: pcbios_int_15h_84h(); break;
1.1 root 16702: case 0x86: pcbios_int_15h_86h(); break;
16703: case 0x87: pcbios_int_15h_87h(); break;
16704: case 0x88: pcbios_int_15h_88h(); break;
16705: case 0x89: pcbios_int_15h_89h(); break;
1.1.1.21 root 16706: case 0x8a: pcbios_int_15h_8ah(); break;
1.1.1.22 root 16707: case 0xc0: // PS/2 ???
1.1.1.54 root 16708: #ifndef EXT_BIOS_TOP
1.1.1.22 root 16709: case 0xc1:
1.1.1.54 root 16710: #endif
1.1.1.30 root 16711: case 0xc3: // PS50+ ???
16712: case 0xc4:
1.1.1.22 root 16713: REG8(AH) = 0x86;
16714: m_CF = 1;
16715: break;
1.1.1.54 root 16716: #ifdef EXT_BIOS_TOP
16717: case 0xc1: pcbios_int_15h_c1h(); break;
16718: #endif
16719: case 0xc2: pcbios_int_15h_c2h(); break;
1.1.1.3 root 16720: #if defined(HAS_I386)
1.1 root 16721: case 0xc9: pcbios_int_15h_c9h(); break;
1.1.1.3 root 16722: #endif
1.1 root 16723: case 0xca: pcbios_int_15h_cah(); break;
1.1.1.22 root 16724: case 0xe8: pcbios_int_15h_e8h(); break;
1.1 root 16725: default:
1.1.1.22 root 16726: unimplemented_15h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", num, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
16727: REG8(AH) = 0x86;
1.1.1.3 root 16728: m_CF = 1;
1.1 root 16729: break;
16730: }
16731: break;
16732: case 0x16:
16733: // PC BIOS - Keyboard
1.1.1.3 root 16734: m_CF = 0;
1.1 root 16735: switch(REG8(AH)) {
16736: case 0x00: pcbios_int_16h_00h(); break;
16737: case 0x01: pcbios_int_16h_01h(); break;
16738: case 0x02: pcbios_int_16h_02h(); break;
16739: case 0x03: pcbios_int_16h_03h(); break;
16740: case 0x05: pcbios_int_16h_05h(); break;
16741: case 0x10: pcbios_int_16h_00h(); break;
16742: case 0x11: pcbios_int_16h_01h(); break;
16743: case 0x12: pcbios_int_16h_12h(); break;
16744: case 0x13: pcbios_int_16h_13h(); break;
16745: case 0x14: pcbios_int_16h_14h(); break;
1.1.1.24 root 16746: case 0x55: pcbios_int_16h_55h(); break;
1.1.1.30 root 16747: case 0x6f: pcbios_int_16h_6fh(); break;
1.1.1.22 root 16748: case 0xda: break; // unknown
1.1.1.43 root 16749: case 0xdb: break; // unknown
1.1.1.22 root 16750: case 0xff: break; // unknown
1.1 root 16751: default:
1.1.1.22 root 16752: unimplemented_16h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", num, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1 root 16753: break;
16754: }
16755: break;
16756: case 0x17:
16757: // PC BIOS - Printer
1.1.1.37 root 16758: m_CF = 0;
16759: switch(REG8(AH)) {
16760: case 0x00: pcbios_int_17h_00h(); break;
16761: case 0x01: pcbios_int_17h_01h(); break;
16762: case 0x02: pcbios_int_17h_02h(); break;
16763: case 0x03: pcbios_int_17h_03h(); break;
16764: case 0x50: pcbios_int_17h_50h(); break;
16765: case 0x51: pcbios_int_17h_51h(); break;
16766: case 0x52: pcbios_int_17h_52h(); break;
16767: case 0x84: pcbios_int_17h_84h(); break;
16768: case 0x85: pcbios_int_17h_85h(); break;
16769: default:
16770: unimplemented_17h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", num, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
16771: break;
16772: }
1.1 root 16773: break;
16774: case 0x1a:
16775: // PC BIOS - Timer
1.1.1.3 root 16776: m_CF = 0;
1.1 root 16777: switch(REG8(AH)) {
16778: case 0x00: pcbios_int_1ah_00h(); break;
16779: case 0x01: break;
16780: case 0x02: pcbios_int_1ah_02h(); break;
16781: case 0x03: break;
16782: case 0x04: pcbios_int_1ah_04h(); break;
16783: case 0x05: break;
16784: case 0x0a: pcbios_int_1ah_0ah(); break;
16785: case 0x0b: break;
1.1.1.14 root 16786: case 0x35: break; // Word Perfect Third Party Interface?
16787: case 0x36: break; // Word Perfect Third Party Interface
16788: case 0x70: break; // SNAP? (Simple Network Application Protocol)
1.1.1.44 root 16789: case 0xb0: break; // Microsoft Real-Time Compression Interface (MRCI)
1.1.1.43 root 16790: case 0xb1: break; // PCI BIOS v2.0c+
16791: case 0xb4: break; // Intel Plug-and-Play Auto-Configuration
1.1 root 16792: default:
1.1.1.22 root 16793: unimplemented_1ah("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", num, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1 root 16794: break;
16795: }
16796: break;
1.1.1.33 root 16797: case 0x1b:
16798: mem[0x471] = 0x00;
16799: break;
1.1 root 16800: case 0x20:
1.1.1.28 root 16801: try {
16802: msdos_process_terminate(SREG(CS), retval, 1);
16803: } catch(...) {
16804: fatalerror("failed to terminate the process (PSP=%04X) by int 20h\n", SREG(CS));
16805: }
1.1 root 16806: break;
1.1.1.49 root 16807: case 0x30:
1.1.1.46 root 16808: // dummy interrupt for case map routine pointed in the country info
16809: // if(!(REG8(CL) >= 0x00 && REG8(CL) <= 0x24)) {
16810: // REG8(AL) = 0x00;
16811: // break;
16812: // }
1.1 root 16813: case 0x21:
16814: // MS-DOS System Call
1.1.1.3 root 16815: m_CF = 0;
1.1.1.28 root 16816: try {
1.1.1.46 root 16817: switch(num == 0x21 ? REG8(AH) : REG8(CL)) {
1.1.1.28 root 16818: case 0x00: msdos_int_21h_00h(); break;
16819: case 0x01: msdos_int_21h_01h(); break;
16820: case 0x02: msdos_int_21h_02h(); break;
16821: case 0x03: msdos_int_21h_03h(); break;
16822: case 0x04: msdos_int_21h_04h(); break;
16823: case 0x05: msdos_int_21h_05h(); break;
16824: case 0x06: msdos_int_21h_06h(); break;
16825: case 0x07: msdos_int_21h_07h(); break;
16826: case 0x08: msdos_int_21h_08h(); break;
16827: case 0x09: msdos_int_21h_09h(); break;
16828: case 0x0a: msdos_int_21h_0ah(); break;
16829: case 0x0b: msdos_int_21h_0bh(); break;
16830: case 0x0c: msdos_int_21h_0ch(); break;
16831: case 0x0d: msdos_int_21h_0dh(); break;
16832: case 0x0e: msdos_int_21h_0eh(); break;
16833: case 0x0f: msdos_int_21h_0fh(); break;
16834: case 0x10: msdos_int_21h_10h(); break;
16835: case 0x11: msdos_int_21h_11h(); break;
16836: case 0x12: msdos_int_21h_12h(); break;
16837: case 0x13: msdos_int_21h_13h(); break;
16838: case 0x14: msdos_int_21h_14h(); break;
16839: case 0x15: msdos_int_21h_15h(); break;
16840: case 0x16: msdos_int_21h_16h(); break;
16841: case 0x17: msdos_int_21h_17h(); break;
16842: case 0x18: msdos_int_21h_18h(); break;
16843: case 0x19: msdos_int_21h_19h(); break;
16844: case 0x1a: msdos_int_21h_1ah(); break;
16845: case 0x1b: msdos_int_21h_1bh(); break;
16846: case 0x1c: msdos_int_21h_1ch(); break;
16847: case 0x1d: msdos_int_21h_1dh(); break;
16848: case 0x1e: msdos_int_21h_1eh(); break;
16849: case 0x1f: msdos_int_21h_1fh(); break;
16850: case 0x20: msdos_int_21h_20h(); break;
16851: case 0x21: msdos_int_21h_21h(); break;
16852: case 0x22: msdos_int_21h_22h(); break;
16853: case 0x23: msdos_int_21h_23h(); break;
16854: case 0x24: msdos_int_21h_24h(); break;
16855: case 0x25: msdos_int_21h_25h(); break;
16856: case 0x26: msdos_int_21h_26h(); break;
16857: case 0x27: msdos_int_21h_27h(); break;
16858: case 0x28: msdos_int_21h_28h(); break;
16859: case 0x29: msdos_int_21h_29h(); break;
16860: case 0x2a: msdos_int_21h_2ah(); break;
16861: case 0x2b: msdos_int_21h_2bh(); break;
16862: case 0x2c: msdos_int_21h_2ch(); break;
16863: case 0x2d: msdos_int_21h_2dh(); break;
16864: case 0x2e: msdos_int_21h_2eh(); break;
16865: case 0x2f: msdos_int_21h_2fh(); break;
16866: case 0x30: msdos_int_21h_30h(); break;
16867: case 0x31: msdos_int_21h_31h(); break;
16868: case 0x32: msdos_int_21h_32h(); break;
16869: case 0x33: msdos_int_21h_33h(); break;
16870: case 0x34: msdos_int_21h_34h(); break;
16871: case 0x35: msdos_int_21h_35h(); break;
16872: case 0x36: msdos_int_21h_36h(); break;
16873: case 0x37: msdos_int_21h_37h(); break;
16874: case 0x38: msdos_int_21h_38h(); break;
16875: case 0x39: msdos_int_21h_39h(0); break;
16876: case 0x3a: msdos_int_21h_3ah(0); break;
16877: case 0x3b: msdos_int_21h_3bh(0); break;
16878: case 0x3c: msdos_int_21h_3ch(); break;
16879: case 0x3d: msdos_int_21h_3dh(); break;
16880: case 0x3e: msdos_int_21h_3eh(); break;
16881: case 0x3f: msdos_int_21h_3fh(); break;
16882: case 0x40: msdos_int_21h_40h(); break;
16883: case 0x41: msdos_int_21h_41h(0); break;
16884: case 0x42: msdos_int_21h_42h(); break;
16885: case 0x43: msdos_int_21h_43h(0); break;
16886: case 0x44: msdos_int_21h_44h(); break;
16887: case 0x45: msdos_int_21h_45h(); break;
16888: case 0x46: msdos_int_21h_46h(); break;
16889: case 0x47: msdos_int_21h_47h(0); break;
16890: case 0x48: msdos_int_21h_48h(); break;
16891: case 0x49: msdos_int_21h_49h(); break;
16892: case 0x4a: msdos_int_21h_4ah(); break;
16893: case 0x4b: msdos_int_21h_4bh(); break;
16894: case 0x4c: msdos_int_21h_4ch(); break;
16895: case 0x4d: msdos_int_21h_4dh(); break;
16896: case 0x4e: msdos_int_21h_4eh(); break;
16897: case 0x4f: msdos_int_21h_4fh(); break;
16898: case 0x50: msdos_int_21h_50h(); break;
16899: case 0x51: msdos_int_21h_51h(); break;
16900: case 0x52: msdos_int_21h_52h(); break;
1.1.1.43 root 16901: case 0x53: msdos_int_21h_53h(); break;
1.1.1.28 root 16902: case 0x54: msdos_int_21h_54h(); break;
16903: case 0x55: msdos_int_21h_55h(); break;
16904: case 0x56: msdos_int_21h_56h(0); break;
16905: case 0x57: msdos_int_21h_57h(); break;
16906: case 0x58: msdos_int_21h_58h(); break;
16907: case 0x59: msdos_int_21h_59h(); break;
16908: case 0x5a: msdos_int_21h_5ah(); break;
16909: case 0x5b: msdos_int_21h_5bh(); break;
16910: case 0x5c: msdos_int_21h_5ch(); break;
16911: case 0x5d: msdos_int_21h_5dh(); break;
1.1.1.42 root 16912: case 0x5e: msdos_int_21h_5eh(); break;
1.1.1.30 root 16913: case 0x5f: msdos_int_21h_5fh(); break;
1.1.1.28 root 16914: case 0x60: msdos_int_21h_60h(0); break;
16915: case 0x61: msdos_int_21h_61h(); break;
16916: case 0x62: msdos_int_21h_62h(); break;
16917: case 0x63: msdos_int_21h_63h(); break;
1.1.1.33 root 16918: // 0x64: Set Device Driver Lockahead Flag
1.1.1.28 root 16919: case 0x65: msdos_int_21h_65h(); break;
16920: case 0x66: msdos_int_21h_66h(); break;
16921: case 0x67: msdos_int_21h_67h(); break;
16922: case 0x68: msdos_int_21h_68h(); break;
16923: case 0x69: msdos_int_21h_69h(); break;
16924: case 0x6a: msdos_int_21h_6ah(); break;
16925: case 0x6b: msdos_int_21h_6bh(); break;
16926: case 0x6c: msdos_int_21h_6ch(0); break;
1.1.1.48 root 16927: case 0x6d: // Find First ROM Program
16928: case 0x6e: // Find Next ROM Program
16929: case 0x6f: // Get/Set ROM Scan Start Address
16930: REG8(AL) = 0x00; // if not supported (DOS <5, MS-DOS 5+ non-ROM versions)
16931: break;
1.1.1.43 root 16932: case 0x70: msdos_int_21h_70h(); break;
1.1.1.48 root 16933: case 0x71: // Windows95 - Long Filename Functions
1.1.1.28 root 16934: switch(REG8(AL)) {
16935: case 0x0d: msdos_int_21h_710dh(); break;
16936: case 0x39: msdos_int_21h_39h(1); break;
16937: case 0x3a: msdos_int_21h_3ah(1); break;
16938: case 0x3b: msdos_int_21h_3bh(1); break;
1.1.1.48 root 16939: case 0x41: msdos_int_21h_7141h(); break;
1.1.1.28 root 16940: case 0x43: msdos_int_21h_43h(1); break;
16941: case 0x47: msdos_int_21h_47h(1); break;
16942: case 0x4e: msdos_int_21h_714eh(); break;
16943: case 0x4f: msdos_int_21h_714fh(); break;
16944: case 0x56: msdos_int_21h_56h(1); break;
16945: case 0x60: msdos_int_21h_60h(1); break;
16946: case 0x6c: msdos_int_21h_6ch(1); break;
16947: case 0xa0: msdos_int_21h_71a0h(); break;
16948: case 0xa1: msdos_int_21h_71a1h(); break;
16949: case 0xa6: msdos_int_21h_71a6h(); break;
16950: case 0xa7: msdos_int_21h_71a7h(); break;
16951: case 0xa8: msdos_int_21h_71a8h(); break;
1.1.1.45 root 16952: case 0xa9: msdos_int_21h_6ch(1); break;
1.1.1.28 root 16953: case 0xaa: msdos_int_21h_71aah(); break;
16954: default:
16955: unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", num, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
16956: REG16(AX) = 0x7100;
16957: m_CF = 1;
16958: break;
16959: }
16960: break;
1.1.1.48 root 16961: case 0x72: // Windows95 beta - LFN FindClose
16962: // unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x21, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
16963: REG16(AX) = 0x7200;
16964: m_CF = 1;
16965: break;
16966: case 0x73: // Windows95 - FAT32 Functions
1.1.1.28 root 16967: switch(REG8(AL)) {
16968: case 0x00: msdos_int_21h_7300h(); break;
1.1.1.33 root 16969: // 0x01: Set Drive Locking ???
1.1.1.28 root 16970: case 0x02: msdos_int_21h_7302h(); break;
16971: case 0x03: msdos_int_21h_7303h(); break;
1.1.1.33 root 16972: // 0x04: Set DPB to Use for Formatting
16973: // 0x05: Extended Absolute Disk Read/Write
1.1.1.28 root 16974: default:
16975: unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", num, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
16976: REG16(AX) = 0x7300;
16977: m_CF = 1;
16978: break;
16979: }
1.1 root 16980: break;
1.1.1.30 root 16981: case 0xdb: msdos_int_21h_dbh(); break;
16982: case 0xdc: msdos_int_21h_dch(); break;
1.1 root 16983: default:
1.1.1.22 root 16984: unimplemented_21h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", num, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.28 root 16985: REG16(AX) = 0x01;
1.1.1.3 root 16986: m_CF = 1;
1.1 root 16987: break;
16988: }
1.1.1.28 root 16989: } catch(int error) {
16990: REG16(AX) = error;
16991: m_CF = 1;
16992: } catch(...) {
16993: REG16(AX) = 0x1f; // general failure
1.1.1.3 root 16994: m_CF = 1;
1.1 root 16995: }
1.1.1.3 root 16996: if(m_CF) {
1.1.1.23 root 16997: sda_t *sda = (sda_t *)(mem + SDA_TOP);
1.1.1.47 root 16998: sda->int21h_5d0ah_called = 0;
1.1.1.23 root 16999: sda->extended_error_code = REG16(AX);
17000: switch(sda->extended_error_code) {
17001: case 4: // Too many open files
17002: case 8: // Insufficient memory
17003: sda->error_class = 1; // Out of resource
17004: break;
17005: case 5: // Access denied
17006: sda->error_class = 3; // Authorization
17007: break;
17008: case 7: // Memory control block destroyed
17009: sda->error_class = 4; // Internal
17010: break;
17011: case 2: // File not found
17012: case 3: // Path not found
17013: case 15: // Invaid drive specified
17014: case 18: // No more files
17015: sda->error_class = 8; // Not found
17016: break;
17017: case 32: // Sharing violation
17018: case 33: // Lock violation
17019: sda->error_class = 10; // Locked
17020: break;
17021: // case 16: // Removal of current directory attempted
17022: case 19: // Attempted write on protected disk
17023: case 21: // Drive not ready
17024: // case 29: // Write failure
17025: // case 30: // Read failure
17026: // case 82: // Cannot create subdirectory
17027: sda->error_class = 11; // Media
17028: break;
17029: case 80: // File already exists
17030: sda->error_class = 12; // Already exist
17031: break;
17032: default:
17033: sda->error_class = 13; // Unknown
17034: break;
17035: }
17036: sda->suggested_action = 1; // Retry
17037: sda->locus_of_last_error = 1; // Unknown
1.1 root 17038: }
1.1.1.33 root 17039: if(ctrl_break_checking && ctrl_break_detected) {
1.1.1.26 root 17040: // raise int 23h
17041: #if defined(HAS_I386)
17042: m_ext = 0; // not an external interrupt
17043: i386_trap(0x23, 1, 0);
17044: m_ext = 1;
17045: #else
17046: PREFIX86(_interrupt)(0x23);
17047: #endif
17048: }
1.1 root 17049: break;
17050: case 0x22:
17051: fatalerror("int 22h (terminate address)\n");
17052: case 0x23:
1.1.1.28 root 17053: try {
17054: msdos_process_terminate(current_psp, (retval & 0xff) | 0x100, 1);
17055: } catch(...) {
17056: fatalerror("failed to terminate the current process by int 23h\n");
17057: }
1.1 root 17058: break;
17059: case 0x24:
1.1.1.32 root 17060: /*
1.1.1.28 root 17061: try {
17062: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
17063: } catch(...) {
17064: fatalerror("failed to terminate the current process by int 24h\n");
17065: }
1.1.1.32 root 17066: */
17067: msdos_int_24h();
1.1 root 17068: break;
17069: case 0x25:
17070: msdos_int_25h();
17071: break;
17072: case 0x26:
17073: msdos_int_26h();
17074: break;
17075: case 0x27:
1.1.1.28 root 17076: try {
17077: msdos_int_27h();
17078: } catch(...) {
17079: fatalerror("failed to terminate the process (PSP=%04X) by int 27h\n", SREG(CS));
17080: }
1.1 root 17081: break;
17082: case 0x28:
17083: Sleep(10);
1.1.1.35 root 17084: REQUEST_HARDWRE_UPDATE();
1.1 root 17085: break;
17086: case 0x29:
17087: msdos_int_29h();
17088: break;
17089: case 0x2e:
17090: msdos_int_2eh();
17091: break;
17092: case 0x2f:
17093: // multiplex interrupt
17094: switch(REG8(AH)) {
1.1.1.22 root 17095: case 0x05: msdos_int_2fh_05h(); break;
1.1.1.44 root 17096: case 0x06: msdos_int_2fh_06h(); break;
1.1.1.22 root 17097: case 0x11: msdos_int_2fh_11h(); break;
1.1.1.21 root 17098: case 0x12: msdos_int_2fh_12h(); break;
1.1.1.30 root 17099: case 0x13: msdos_int_2fh_13h(); break;
1.1.1.22 root 17100: case 0x14: msdos_int_2fh_14h(); break;
17101: case 0x15: msdos_int_2fh_15h(); break;
1.1 root 17102: case 0x16: msdos_int_2fh_16h(); break;
1.1.1.22 root 17103: case 0x19: msdos_int_2fh_19h(); break;
1.1 root 17104: case 0x1a: msdos_int_2fh_1ah(); break;
1.1.1.30 root 17105: case 0x40: msdos_int_2fh_40h(); break;
1.1 root 17106: case 0x43: msdos_int_2fh_43h(); break;
1.1.1.22 root 17107: case 0x46: msdos_int_2fh_46h(); break;
17108: case 0x48: msdos_int_2fh_48h(); break;
1.1 root 17109: case 0x4a: msdos_int_2fh_4ah(); break;
1.1.1.22 root 17110: case 0x4b: msdos_int_2fh_4bh(); break;
1.1.1.44 root 17111: case 0x4d: msdos_int_2fh_4dh(); break;
1.1 root 17112: case 0x4f: msdos_int_2fh_4fh(); break;
1.1.1.22 root 17113: case 0x55: msdos_int_2fh_55h(); break;
1.1.1.44 root 17114: case 0x56: msdos_int_2fh_56h(); break;
1.1.1.24 root 17115: case 0xad: msdos_int_2fh_adh(); break;
1.1 root 17116: case 0xae: msdos_int_2fh_aeh(); break;
1.1.1.34 root 17117: case 0xb7: msdos_int_2fh_b7h(); break;
1.1.1.43 root 17118: default:
1.1.1.30 root 17119: switch(REG8(AL)) {
17120: case 0x00:
17121: // This is not installed
17122: // REG8(AL) = 0x00;
17123: break;
1.1.1.33 root 17124: case 0x01:
1.1.1.42 root 17125: // Quarterdeck RPCI - QEMM/QRAM - PCL-838.EXE is not installed
17126: if(REG8(AH) == 0xd2 && REG16(BX) == 0x5145 && REG16(CX) == 0x4d4d && REG16(DX) == 0x3432) {
17127: break;
17128: }
1.1.1.33 root 17129: // Banyan VINES v4+ is not installed
17130: if(REG8(AH) == 0xd7 && REG16(BX) == 0x0000) {
17131: break;
17132: }
1.1.1.42 root 17133: // Quarterdeck QDPMI.SYS v1.0 is not installed
17134: if(REG8(AH) == 0xde && REG16(BX) == 0x4450 && REG16(CX) == 0x4d49 && REG16(DX) == 0x8f4f) {
17135: break;
17136: }
1.1.1.30 root 17137: default:
1.1.1.42 root 17138: // NORTON UTILITIES 5.0+
17139: if(REG8(AH) == 0xfe && REG16(DI) == 0x4e55) {
17140: break;
17141: }
1.1.1.30 root 17142: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.43 root 17143: REG16(AX) = 0x01; // invalid function
1.1.1.30 root 17144: m_CF = 1;
17145: break;
17146: }
17147: break;
1.1 root 17148: }
17149: break;
1.1.1.24 root 17150: case 0x33:
17151: switch(REG8(AH)) {
17152: case 0x00:
17153: // Mouse
1.1.1.49 root 17154: switch(REG16(AX)) {
17155: case 0x0000: msdos_int_33h_0000h(); break;
17156: case 0x0001: msdos_int_33h_0001h(); break;
17157: case 0x0002: msdos_int_33h_0002h(); break;
17158: case 0x0003: msdos_int_33h_0003h(); break;
17159: case 0x0004: msdos_int_33h_0004h(); break;
17160: case 0x0005: msdos_int_33h_0005h(); break;
17161: case 0x0006: msdos_int_33h_0006h(); break;
17162: case 0x0007: msdos_int_33h_0007h(); break;
17163: case 0x0008: msdos_int_33h_0008h(); break;
17164: case 0x0009: msdos_int_33h_0009h(); break;
17165: case 0x000a: msdos_int_33h_000ah(); break;
17166: case 0x000b: msdos_int_33h_000bh(); break;
17167: case 0x000c: msdos_int_33h_000ch(); break;
17168: case 0x000d: break; // MS MOUSE v1.0+ - Light Pen Emulation On
17169: case 0x000e: break; // MS MOUSE v1.0+ - Light Pen Emulation Off
17170: case 0x000f: msdos_int_33h_000fh(); break;
17171: case 0x0010: break; // MS MOUSE v1.0+ - Define Screen Region for Updating
17172: case 0x0011: msdos_int_33h_0011h(); break;
17173: case 0x0012: REG16(AX) = 0xffff; break; // MS MOUSE - Set Large Graphics Cursor Block
17174: case 0x0013: break; // MS MOUSE v5.0+ - Define Double-Speed Threshold
17175: case 0x0014: msdos_int_33h_0014h(); break;
17176: case 0x0015: msdos_int_33h_0015h(); break;
17177: case 0x0016: msdos_int_33h_0016h(); break;
17178: case 0x0017: msdos_int_33h_0017h(); break;
17179: case 0x0018: msdos_int_33h_0018h(); break;
17180: case 0x0019: msdos_int_33h_0019h(); break;
17181: case 0x001a: msdos_int_33h_001ah(); break;
17182: case 0x001b: msdos_int_33h_001bh(); break;
17183: case 0x001c: break; // MS MOUSE v6.0+ - Set Interrupt Rate
17184: case 0x001d: msdos_int_33h_001dh(); break;
17185: case 0x001e: msdos_int_33h_001eh(); break;
17186: case 0x001f: msdos_int_33h_001fh(); break;
17187: case 0x0020: msdos_int_33h_0020h(); break;
17188: case 0x0021: msdos_int_33h_0021h(); break;
17189: case 0x0022: msdos_int_33h_0022h(); break;
17190: case 0x0023: msdos_int_33h_0023h(); break;
17191: case 0x0024: msdos_int_33h_0024h(); break;
17192: case 0x0025: msdos_int_33h_0025h(); break;
17193: case 0x0026: msdos_int_33h_0026h(); break;
17194: case 0x0027: msdos_int_33h_0027h(); break;
17195: case 0x0028: msdos_int_33h_0028h(); break;
17196: case 0x0029: msdos_int_33h_0029h(); break;
17197: case 0x002a: msdos_int_33h_002ah(); break;
17198: // 0x002b: MS MOUSE v7.0+ - Load Acceleration Profiles
17199: // 0x002c: MS MOUSE v7.0+ - Get Acceleration Profiles
17200: // 0x002d: MS MOUSE v7.0+ - Select Acceleration Profile
17201: // 0x002e: MS MOUSE v8.10+ - Set Acceleration Profile Names
17202: case 0x002f: break; // Mouse Hardware Reset
17203: // 0x0030: MS MOUSE v7.04+ - Get/Set BallPoint Information
17204: case 0x0031: msdos_int_33h_0031h(); break;
17205: case 0x0032: msdos_int_33h_0032h(); break;
17206: // 0x0033: MS MOUSE v7.05+ - Get Switch Settings And Acceleration Profile Data
17207: // 0x0034: MS MOUSE v8.0+ - Get Initialization File
17208: // 0x0035: MS MOUSE v8.10+ - LCD Screen Large Pointer Support
17209: case 0x004d: msdos_int_33h_004dh(); break;
17210: case 0x006d: msdos_int_33h_006dh(); break;
1.1.1.24 root 17211: default:
17212: unimplemented_33h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", num, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
17213: break;
17214: }
17215: break;
17216: default:
17217: unimplemented_33h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", num, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
17218: break;
17219: }
17220: break;
1.1.1.50 root 17221: /*
17222: case 0x67:
17223: // int 67h handler is in EMS device driver (EMMXXXX0) and it calls int 68h
17224: // NOTE: some softwares get address of int 67h handler and recognize the address is in EMS device driver
17225: break;
17226: */
1.1.1.19 root 17227: case 0x68:
17228: // dummy interrupt for EMS (int 67h)
17229: switch(REG8(AH)) {
17230: case 0x40: msdos_int_67h_40h(); break;
17231: case 0x41: msdos_int_67h_41h(); break;
17232: case 0x42: msdos_int_67h_42h(); break;
17233: case 0x43: msdos_int_67h_43h(); break;
17234: case 0x44: msdos_int_67h_44h(); break;
17235: case 0x45: msdos_int_67h_45h(); break;
17236: case 0x46: msdos_int_67h_46h(); break;
17237: case 0x47: msdos_int_67h_47h(); break;
17238: case 0x48: msdos_int_67h_48h(); break;
1.1.1.20 root 17239: // 0x49: LIM EMS - Reserved - Get I/O Port Address (Undocumented in EMS 3.2)
17240: // 0x4a: LIM EMS - Reserved - Get Translation Array (Undocumented in EMS 3.2)
1.1.1.19 root 17241: case 0x4b: msdos_int_67h_4bh(); break;
17242: case 0x4c: msdos_int_67h_4ch(); break;
17243: case 0x4d: msdos_int_67h_4dh(); break;
1.1.1.20 root 17244: case 0x4e: msdos_int_67h_4eh(); break;
1.1.1.21 root 17245: case 0x4f: msdos_int_67h_4fh(); break;
1.1.1.20 root 17246: case 0x50: msdos_int_67h_50h(); break;
1.1.1.19 root 17247: case 0x51: msdos_int_67h_51h(); break;
1.1.1.20 root 17248: case 0x52: msdos_int_67h_52h(); break;
1.1.1.19 root 17249: case 0x53: msdos_int_67h_53h(); break;
17250: case 0x54: msdos_int_67h_54h(); break;
1.1.1.49 root 17251: case 0x55: msdos_int_67h_55h(); break;
17252: case 0x56: msdos_int_67h_56h(); break;
1.1.1.20 root 17253: case 0x57: msdos_int_67h_57h(); break;
17254: case 0x58: msdos_int_67h_58h(); break;
1.1.1.42 root 17255: case 0x59: msdos_int_67h_59h(); break;
1.1.1.20 root 17256: case 0x5a: msdos_int_67h_5ah(); break;
1.1.1.49 root 17257: case 0x5b: msdos_int_67h_5bh(); break;
1.1.1.43 root 17258: // 0x5c: LIM EMS 4.0 - Prepare Expanded Memory Hardware For Warm Boot
17259: case 0x5d: msdos_int_67h_5dh(); break;
1.1.1.49 root 17260: case 0x70: msdos_int_67h_70h(); break;
1.1.1.31 root 17261: // 0xde: VCPI
1.1.1.30 root 17262: case 0xde: msdos_int_67h_deh(); break;
1.1.1.19 root 17263: default:
1.1.1.22 root 17264: unimplemented_67h("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x67, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.19 root 17265: REG8(AH) = 0x84;
17266: break;
17267: }
17268: break;
17269: #ifdef SUPPORT_XMS
17270: case 0x69:
17271: // dummy interrupt for XMS (call far)
1.1.1.28 root 17272: try {
17273: switch(REG8(AH)) {
17274: case 0x00: msdos_call_xms_00h(); break;
17275: case 0x01: msdos_call_xms_01h(); break;
17276: case 0x02: msdos_call_xms_02h(); break;
17277: case 0x03: msdos_call_xms_03h(); break;
17278: case 0x04: msdos_call_xms_04h(); break;
17279: case 0x05: msdos_call_xms_05h(); break;
17280: case 0x06: msdos_call_xms_06h(); break;
17281: case 0x07: msdos_call_xms_07h(); break;
17282: case 0x08: msdos_call_xms_08h(); break;
17283: case 0x09: msdos_call_xms_09h(); break;
17284: case 0x0a: msdos_call_xms_0ah(); break;
17285: case 0x0b: msdos_call_xms_0bh(); break;
17286: case 0x0c: msdos_call_xms_0ch(); break;
17287: case 0x0d: msdos_call_xms_0dh(); break;
17288: case 0x0e: msdos_call_xms_0eh(); break;
17289: case 0x0f: msdos_call_xms_0fh(); break;
17290: case 0x10: msdos_call_xms_10h(); break;
17291: case 0x11: msdos_call_xms_11h(); break;
17292: case 0x12: msdos_call_xms_12h(); break;
1.1.1.29 root 17293: #if defined(HAS_I386)
17294: case 0x88: msdos_call_xms_88h(); break;
17295: case 0x89: msdos_call_xms_89h(); break;
17296: case 0x8e: msdos_call_xms_8eh(); break;
17297: case 0x8f: msdos_call_xms_8fh(); break;
17298: #endif
1.1.1.28 root 17299: default:
17300: unimplemented_xms("call XMS (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
17301: REG16(AX) = 0x0000;
17302: REG8(BL) = 0x80; // function not implemented
17303: break;
17304: }
17305: } catch(...) {
1.1.1.19 root 17306: REG16(AX) = 0x0000;
1.1.1.28 root 17307: REG8(BL) = 0x8f; // unrecoverable driver error
1.1.1.19 root 17308: }
17309: break;
17310: #endif
17311: case 0x6a:
1.1.1.24 root 17312: // irq12 (mouse)
17313: mouse_push_ax = REG16(AX);
17314: mouse_push_bx = REG16(BX);
17315: mouse_push_cx = REG16(CX);
17316: mouse_push_dx = REG16(DX);
17317: mouse_push_si = REG16(SI);
17318: mouse_push_di = REG16(DI);
17319:
1.1.1.43 root 17320: if(mouse.status_irq && mouse.call_addr.dw) {
1.1.1.24 root 17321: REG16(AX) = mouse.status_irq;
17322: REG16(BX) = mouse.get_buttons();
1.1.1.34 root 17323: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.position.x));
17324: REG16(DX) = max(mouse.min_position.y & ~7, min(mouse.max_position.y & ~7, mouse.position.y));
1.1.1.24 root 17325: REG16(SI) = REG16(CX) * mouse.mickey.x / 8;
17326: REG16(DI) = REG16(DX) * mouse.mickey.y / 8;
17327:
1.1.1.49 root 17328: mem[DUMMY_TOP + 0x02] = 0x9a; // call far
17329: mem[DUMMY_TOP + 0x03] = mouse.call_addr.w.l & 0xff;
17330: mem[DUMMY_TOP + 0x04] = mouse.call_addr.w.l >> 8;
17331: mem[DUMMY_TOP + 0x05] = mouse.call_addr.w.h & 0xff;
17332: mem[DUMMY_TOP + 0x06] = mouse.call_addr.w.h >> 8;
1.1.1.43 root 17333: break;
1.1.1.24 root 17334: }
1.1.1.43 root 17335: for(int i = 0; i < 8; i++) {
17336: if((mouse.status_irq_alt & (1 << i)) && mouse.call_addr_alt[i].dw) {
17337: REG16(AX) = mouse.status_irq_alt;
17338: REG16(BX) = mouse.get_buttons();
17339: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.position.x));
17340: REG16(DX) = max(mouse.min_position.y & ~7, min(mouse.max_position.y & ~7, mouse.position.y));
17341: REG16(SI) = REG16(CX) * mouse.mickey.x / 8;
17342: REG16(DI) = REG16(DX) * mouse.mickey.y / 8;
17343:
1.1.1.49 root 17344: mem[DUMMY_TOP + 0x02] = 0x9a; // call far
17345: mem[DUMMY_TOP + 0x03] = mouse.call_addr_alt[i].w.l & 0xff;
17346: mem[DUMMY_TOP + 0x04] = mouse.call_addr_alt[i].w.l >> 8;
17347: mem[DUMMY_TOP + 0x05] = mouse.call_addr_alt[i].w.h & 0xff;
17348: mem[DUMMY_TOP + 0x06] = mouse.call_addr_alt[i].w.h >> 8;
1.1.1.43 root 17349: break;
17350: }
17351: }
1.1.1.54 root 17352: if(mouse.status_irq_ps2 && mouse.call_addr_ps2.dw) {
17353: UINT16 data_1st, data_2nd, data_3rd;
17354: pcbios_read_from_ps2_mouse(&data_1st, &data_2nd, &data_3rd);
17355: i386_push16(data_1st);
17356: i386_push16(data_2nd);
17357: i386_push16(data_3rd);
17358: i386_push16(0x0000);
17359:
17360: mem[DUMMY_TOP + 0x02] = 0x9a; // call far
17361: mem[DUMMY_TOP + 0x03] = mouse.call_addr_ps2.w.l & 0xff;
17362: mem[DUMMY_TOP + 0x04] = mouse.call_addr_ps2.w.l >> 8;
17363: mem[DUMMY_TOP + 0x05] = mouse.call_addr_ps2.w.h & 0xff;
17364: mem[DUMMY_TOP + 0x06] = mouse.call_addr_ps2.w.h >> 8;
17365: break;
17366: }
1.1.1.43 root 17367: // invalid call addr :-(
1.1.1.49 root 17368: mem[DUMMY_TOP + 0x02] = 0x90; // nop
17369: mem[DUMMY_TOP + 0x03] = 0x90; // nop
17370: mem[DUMMY_TOP + 0x04] = 0x90; // nop
17371: mem[DUMMY_TOP + 0x05] = 0x90; // nop
17372: mem[DUMMY_TOP + 0x06] = 0x90; // nop
1.1.1.24 root 17373: break;
17374: case 0x6b:
17375: // end of irq12 (mouse)
17376: REG16(AX) = mouse_push_ax;
17377: REG16(BX) = mouse_push_bx;
17378: REG16(CX) = mouse_push_cx;
17379: REG16(DX) = mouse_push_dx;
17380: REG16(SI) = mouse_push_si;
17381: REG16(DI) = mouse_push_di;
17382:
17383: // EOI
17384: if((pic[1].isr &= ~(1 << 4)) == 0) {
17385: pic[0].isr &= ~(1 << 2); // master
17386: }
17387: pic_update();
17388: break;
17389: case 0x6c:
1.1.1.19 root 17390: // dummy interrupt for case map routine pointed in the country info
17391: if(REG8(AL) >= 0x80) {
17392: char tmp[2] = {0};
17393: tmp[0] = REG8(AL);
17394: my_strupr(tmp);
17395: REG8(AL) = tmp[0];
17396: }
17397: break;
1.1.1.27 root 17398: case 0x6d:
17399: // dummy interrupt for font read routine pointed by int 15h, ax=5000h
17400: REG8(AL) = 0x86; // not supported
17401: m_CF = 1;
17402: break;
1.1.1.32 root 17403: case 0x6e:
17404: // dummy interrupt for parameter error message read routine pointed by int 2fh, ax=122eh, dl=08h
17405: {
17406: UINT16 code = REG16(AX);
17407: if(code & 0xf0) {
17408: code = (code & 7) | ((code & 0x10) >> 1);
17409: }
17410: for(int i = 0; i < array_length(param_error_table); i++) {
17411: if(param_error_table[i].code == code || param_error_table[i].code == (UINT16)-1) {
17412: const char *message = NULL;
17413: if(active_code_page == 932) {
17414: message = param_error_table[i].message_japanese;
17415: }
17416: if(message == NULL) {
17417: message = param_error_table[i].message_english;
17418: }
17419: *(UINT8 *)(mem + WORK_TOP) = strlen(message);
17420: strcpy((char *)(mem + WORK_TOP + 1), message);
17421:
17422: SREG(ES) = WORK_TOP >> 4;
17423: i386_load_segment_descriptor(ES);
17424: REG16(DI) = 0x0000;
17425: break;
17426: }
17427: }
17428: }
17429: break;
1.1.1.49 root 17430: case 0x6f:
17431: // dummy interrupt for end of alter page map and call
17432: {
17433: UINT16 handles[4], pages[4];
17434:
17435: // pop old mapping data in new mapping
17436: for(int i = 0; i < 4; i++) {
17437: pages [3 - i] = i386_pop16();
17438: handles[3 - i] = i386_pop16();
17439: }
17440:
17441: // restore old mapping
17442: for(int i = 0; i < 4; i++) {
17443: UINT16 handle = handles[i];
17444: UINT16 page = pages [i];
17445:
17446: if(handle >= 1 && handle <= MAX_EMS_HANDLES && ems_handles[handle].allocated && page < ems_handles[handle].pages) {
17447: ems_map_page(i, handle, page);
17448: } else {
17449: ems_unmap_page(i);
17450: }
17451: }
17452: // do ret_far (pop cs/ip) in old mapping
17453: }
17454: break;
1.1.1.8 root 17455: case 0x70:
17456: case 0x71:
17457: case 0x72:
17458: case 0x73:
17459: case 0x74:
17460: case 0x75:
17461: case 0x76:
17462: case 0x77:
17463: // EOI
17464: if((pic[1].isr &= ~(1 << (num - 0x70))) == 0) {
17465: pic[0].isr &= ~(1 << 2); // master
17466: }
17467: pic_update();
17468: break;
1.1 root 17469: default:
1.1.1.22 root 17470: // fatalerror("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", num, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1 root 17471: break;
17472: }
17473:
17474: // update cursor position
17475: if(cursor_moved) {
1.1.1.36 root 17476: pcbios_update_cursor_position();
1.1 root 17477: cursor_moved = false;
17478: }
17479: }
17480:
17481: // init
17482:
17483: int msdos_init(int argc, char *argv[], char *envp[], int standard_env)
17484: {
17485: // init file handler
17486: memset(file_handler, 0, sizeof(file_handler));
17487: msdos_file_handler_open(0, "STDIN", _isatty(0), 0, 0x80d3, 0);
17488: msdos_file_handler_open(1, "STDOUT", _isatty(1), 1, 0x80d3, 0);
17489: msdos_file_handler_open(2, "STDERR", _isatty(2), 1, 0x80d3, 0);
1.1.1.21 root 17490: #ifdef MAP_AUX_DEVICE_TO_FILE
1.1 root 17491: if(_open("stdaux.txt", _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE) == 3) {
1.1.1.21 root 17492: #else
17493: if(_open("NUL", _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE) == 3) {
17494: #endif
17495: msdos_file_handler_open(3, "STDAUX", 0, 2, 0x80c0, 0);
1.1 root 17496: }
1.1.1.21 root 17497: if(_open("NUL", _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE) == 4) {
1.1.1.45 root 17498: // msdos_file_handler_open(4, "STDPRN", 0, 1, 0xa8c0, 0, 0, 1); // LPT1
17499: msdos_file_handler_open(4, "STDPRN", 0, 1, 0x80a0, 0, 0, 1); // LPT1
1.1.1.21 root 17500: }
1.1 root 17501: _dup2(0, DUP_STDIN);
17502: _dup2(1, DUP_STDOUT);
17503: _dup2(2, DUP_STDERR);
1.1.1.21 root 17504: _dup2(3, DUP_STDAUX);
17505: _dup2(4, DUP_STDPRN);
1.1 root 17506:
1.1.1.24 root 17507: // init mouse
17508: memset(&mouse, 0, sizeof(mouse));
1.1.1.34 root 17509: mouse.enabled = true; // from DOSBox
17510: mouse.hidden = 1; // hidden in default ???
17511: mouse.old_hidden = 1; // from DOSBox
17512: mouse.max_position.x = 8 * (scr_width - 1);
17513: mouse.max_position.y = 8 * (scr_height - 1);
1.1.1.24 root 17514: mouse.mickey.x = 8;
17515: mouse.mickey.y = 16;
17516:
1.1.1.26 root 17517: #ifdef SUPPORT_XMS
17518: // init xms
17519: msdos_xms_init();
17520: #endif
17521:
1.1 root 17522: // init process
17523: memset(process, 0, sizeof(process));
17524:
1.1.1.13 root 17525: // init dtainfo
17526: msdos_dta_info_init();
17527:
1.1 root 17528: // init memory
17529: memset(mem, 0, sizeof(mem));
17530:
17531: // bios data area
1.1.1.23 root 17532: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 17533: CONSOLE_SCREEN_BUFFER_INFO csbi;
17534: GetConsoleScreenBufferInfo(hStdout, &csbi);
1.1.1.14 root 17535: CONSOLE_FONT_INFO cfi;
17536: GetCurrentConsoleFont(hStdout, FALSE, &cfi);
17537:
17538: int regen = min(scr_width * scr_height * 2, 0x8000);
17539: text_vram_top_address = TEXT_VRAM_TOP;
17540: text_vram_end_address = text_vram_top_address + regen;
17541: shadow_buffer_top_address = SHADOW_BUF_TOP;
17542: shadow_buffer_end_address = shadow_buffer_top_address + regen;
1.1.1.51 root 17543: cursor_position_address = 0x450 + mem[0x462] * 2;
1.1.1.14 root 17544:
17545: if(regen > 0x4000) {
17546: regen = 0x8000;
17547: vram_pages = 1;
17548: } else if(regen > 0x2000) {
17549: regen = 0x4000;
17550: vram_pages = 2;
17551: } else if(regen > 0x1000) {
17552: regen = 0x2000;
17553: vram_pages = 4;
17554: } else {
17555: regen = 0x1000;
17556: vram_pages = 8;
17557: }
1.1 root 17558:
1.1.1.25 root 17559: *(UINT16 *)(mem + 0x400) = 0x3f8; // com1 port address
17560: *(UINT16 *)(mem + 0x402) = 0x2f8; // com2 port address
1.1.1.29 root 17561: *(UINT16 *)(mem + 0x404) = 0x3e8; // com3 port address
17562: *(UINT16 *)(mem + 0x406) = 0x2e8; // com4 port address
1.1.1.25 root 17563: *(UINT16 *)(mem + 0x408) = 0x378; // lpt1 port address
1.1.1.37 root 17564: *(UINT16 *)(mem + 0x40a) = 0x278; // lpt2 port address
17565: *(UINT16 *)(mem + 0x40c) = 0x3bc; // lpt3 port address
1.1.1.32 root 17566: #ifdef EXT_BIOS_TOP
1.1.1.25 root 17567: *(UINT16 *)(mem + 0x40e) = EXT_BIOS_TOP >> 4;
1.1.1.32 root 17568: #endif
1.1.1.26 root 17569: *(UINT16 *)(mem + 0x410) = msdos_get_equipment();
1.1.1.33 root 17570: *(UINT16 *)(mem + 0x413) = MEMORY_END >> 10;
1.1.1.41 root 17571: *(UINT16 *)(mem + 0x41a) = 0x1e;
17572: *(UINT16 *)(mem + 0x41c) = 0x1e;
1.1 root 17573: *(UINT8 *)(mem + 0x449) = 0x03;//0x73;
1.1.1.14 root 17574: *(UINT16 *)(mem + 0x44a) = csbi.dwSize.X;
17575: *(UINT16 *)(mem + 0x44c) = regen;
1.1 root 17576: *(UINT16 *)(mem + 0x44e) = 0;
17577: *(UINT8 *)(mem + 0x450) = csbi.dwCursorPosition.X;
1.1.1.14 root 17578: *(UINT8 *)(mem + 0x451) = csbi.dwCursorPosition.Y - scr_top;
1.1 root 17579: *(UINT8 *)(mem + 0x460) = 7;
17580: *(UINT8 *)(mem + 0x461) = 7;
17581: *(UINT8 *)(mem + 0x462) = 0;
17582: *(UINT16 *)(mem + 0x463) = 0x3d4;
1.1.1.19 root 17583: *(UINT8 *)(mem + 0x465) = 0x09;
17584: *(UINT32 *)(mem + 0x46c) = get_ticks_since_midnight(timeGetTime());
1.1.1.40 root 17585: *(UINT16 *)(mem + 0x472) = 0x4321; // preserve memory in cpu reset
1.1.1.41 root 17586: *(UINT16 *)(mem + 0x480) = 0x1e;
17587: *(UINT16 *)(mem + 0x482) = 0x3e;
1.1.1.14 root 17588: *(UINT8 *)(mem + 0x484) = csbi.srWindow.Bottom - csbi.srWindow.Top;
17589: *(UINT8 *)(mem + 0x485) = cfi.dwFontSize.Y;
17590: *(UINT8 *)(mem + 0x487) = 0x60;
17591: *(UINT8 *)(mem + 0x496) = 0x10; // enhanced keyboard installed
1.1.1.32 root 17592: #ifdef EXT_BIOS_TOP
1.1.1.25 root 17593: *(UINT16 *)(mem + EXT_BIOS_TOP) = 1;
1.1.1.32 root 17594: #endif
1.1.1.14 root 17595:
17596: // initial screen
17597: SMALL_RECT rect;
17598: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
17599: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
17600: for(int y = 0, ofs1 = TEXT_VRAM_TOP, ofs2 = SHADOW_BUF_TOP; y < scr_height; y++) {
17601: for(int x = 0; x < scr_width; x++) {
17602: mem[ofs1++] = mem[ofs2++] = SCR_BUF(y,x).Char.AsciiChar;
17603: mem[ofs1++] = mem[ofs2++] = SCR_BUF(y,x).Attributes;
17604: }
17605: }
1.1 root 17606:
1.1.1.19 root 17607: // init mcb
1.1 root 17608: int seg = MEMORY_TOP >> 4;
1.1.1.19 root 17609:
17610: // iret table
17611: // note: int 2eh vector should address the routine in command.com,
17612: // and some softwares invite (int 2eh vector segment) - 1 must address the mcb of command.com.
17613: // so move iret table into allocated memory block
17614: // http://www5c.biglobe.ne.jp/~ecb/assembler2/2_6.html
1.1.1.33 root 17615: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, IRET_SIZE >> 4);
1.1.1.19 root 17616: IRET_TOP = seg << 4;
17617: seg += IRET_SIZE >> 4;
1.1.1.25 root 17618: memset(mem + IRET_TOP, 0xcf, IRET_SIZE); // iret
1.1.1.19 root 17619:
17620: // dummy xms/ems device
1.1.1.33 root 17621: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, XMS_SIZE >> 4);
1.1.1.19 root 17622: XMS_TOP = seg << 4;
17623: seg += XMS_SIZE >> 4;
17624:
17625: // environment
1.1.1.33 root 17626: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, ENV_SIZE >> 4);
1.1 root 17627: int env_seg = seg;
17628: int ofs = 0;
1.1.1.32 root 17629: char env_append[ENV_SIZE] = {0}, append_added = 0;
17630: char comspec_added = 0;
1.1.1.33 root 17631: char lastdrive_added = 0;
1.1.1.32 root 17632: char env_msdos_path[ENV_SIZE] = {0};
17633: char env_path[ENV_SIZE] = {0}, path_added = 0;
1.1.1.33 root 17634: char prompt_added = 0;
1.1.1.32 root 17635: char env_temp[ENV_SIZE] = {0}, temp_added = 0, tmp_added = 0;
1.1.1.33 root 17636: char tz_added = 0;
1.1.1.45 root 17637: const char *path, *short_path;
1.1.1.32 root 17638:
17639: if((path = getenv("MSDOS_APPEND")) != NULL) {
17640: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
17641: strcpy(env_append, short_path);
17642: }
17643: }
17644: if((path = getenv("APPEND")) != NULL) {
17645: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
17646: if(env_append[0] != '\0') {
17647: strcat(env_append, ";");
17648: }
17649: strcat(env_append, short_path);
17650: }
17651: }
17652:
17653: if((path = msdos_search_command_com(argv[0], env_path)) != NULL) {
17654: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
17655: strcpy(comspec_path, short_path);
17656: }
17657: }
17658: if((path = getenv("MSDOS_COMSPEC")) != NULL && _access(path, 0) == 0) {
17659: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
17660: strcpy(comspec_path, short_path);
17661: }
17662: }
1.1 root 17663:
1.1.1.28 root 17664: if((path = getenv("MSDOS_PATH")) != NULL) {
1.1.1.32 root 17665: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
17666: strcpy(env_msdos_path, short_path);
17667: strcpy(env_path, short_path);
1.1.1.14 root 17668: }
17669: }
1.1.1.28 root 17670: if((path = getenv("PATH")) != NULL) {
1.1.1.32 root 17671: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
17672: if(env_path[0] != '\0') {
17673: strcat(env_path, ";");
17674: }
17675: strcat(env_path, short_path);
1.1.1.9 root 17676: }
17677: }
1.1.1.32 root 17678:
17679: if(GetTempPath(ENV_SIZE, env_temp) != 0) {
17680: strcpy(env_temp, msdos_get_multiple_short_path(env_temp));
1.1.1.15 root 17681: }
1.1.1.32 root 17682: for(int i = 0; i < 4; i++) {
17683: static const char *name[4] = {"MSDOS_TEMP", "MSDOS_TMP", "TEMP", "TMP"};
17684: if((path = getenv(name[i])) != NULL && _access(path, 0) == 0) {
17685: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
17686: strcpy(env_temp, short_path);
17687: break;
17688: }
17689: }
1.1.1.24 root 17690: }
1.1.1.32 root 17691:
1.1.1.9 root 17692: for(char **p = envp; p != NULL && *p != NULL; p++) {
1.1 root 17693: // lower to upper
1.1.1.28 root 17694: char tmp[ENV_SIZE], name[ENV_SIZE];
1.1 root 17695: strcpy(tmp, *p);
17696: for(int i = 0;; i++) {
17697: if(tmp[i] == '=') {
17698: tmp[i] = '\0';
17699: sprintf(name, ";%s;", tmp);
1.1.1.25 root 17700: my_strupr(name);
1.1 root 17701: tmp[i] = '=';
17702: break;
17703: } else if(tmp[i] >= 'a' && tmp[i] <= 'z') {
1.1.1.28 root 17704: tmp[i] = (tmp[i] - 'a') + 'A';
1.1 root 17705: }
17706: }
1.1.1.33 root 17707: if(strstr(";MSDOS_APPEND;MSDOS_COMSPEC;MSDOS_LASTDRIVE;MSDOS_TEMP;MSDOS_TMP;MSDOS_TZ;", name) != NULL) {
17708: // ignore MSDOS_(APPEND/COMSPEC/LASTDRIVE/TEMP/TMP/TZ)
17709: } else if(standard_env && strstr(";APPEND;COMSPEC;LASTDRIVE;MSDOS_PATH;PATH;PROMPT;TEMP;TMP;TZ;", name) == NULL) {
1.1.1.18 root 17710: // ignore non standard environments
17711: } else {
1.1.1.33 root 17712: if(strncmp(tmp, "APPEND=", 7) == 0) {
1.1.1.32 root 17713: if(env_append[0] != '\0') {
17714: sprintf(tmp, "APPEND=%s", env_append);
17715: } else {
17716: sprintf(tmp, "APPEND=%s", msdos_get_multiple_short_path(tmp + 7));
17717: }
17718: append_added = 1;
17719: } else if(strncmp(tmp, "COMSPEC=", 8) == 0) {
1.1.1.14 root 17720: strcpy(tmp, "COMSPEC=C:\\COMMAND.COM");
1.1.1.32 root 17721: comspec_added = 1;
1.1.1.33 root 17722: } else if(strncmp(tmp, "LASTDRIVE=", 10) == 0) {
17723: char *env = getenv("MSDOS_LASTDRIVE");
17724: if(env != NULL) {
17725: sprintf(tmp, "LASTDRIVE=%s", env);
17726: }
17727: lastdrive_added = 1;
17728: } else if(strncmp(tmp, "MSDOS_PATH=", 11) == 0) {
1.1.1.28 root 17729: if(env_msdos_path[0] != '\0') {
17730: sprintf(tmp, "MSDOS_PATH=%s", env_msdos_path);
17731: } else {
17732: sprintf(tmp, "MSDOS_PATH=%s", msdos_get_multiple_short_path(tmp + 11));
17733: }
1.1.1.33 root 17734: } else if(strncmp(tmp, "PATH=", 5) == 0) {
1.1.1.28 root 17735: if(env_path[0] != '\0') {
17736: sprintf(tmp, "PATH=%s", env_path);
17737: } else {
17738: sprintf(tmp, "PATH=%s", msdos_get_multiple_short_path(tmp + 5));
17739: }
1.1.1.32 root 17740: path_added = 1;
1.1.1.33 root 17741: } else if(strncmp(tmp, "PROMPT=", 7) == 0) {
17742: prompt_added = 1;
1.1.1.28 root 17743: } else if(strncmp(tmp, "TEMP=", 5) == 0) {
17744: if(env_temp[0] != '\0') {
17745: sprintf(tmp, "TEMP=%s", env_temp);
17746: } else {
17747: sprintf(tmp, "TEMP=%s", msdos_get_multiple_short_path(tmp + 5));
17748: }
1.1.1.32 root 17749: temp_added = 1;
1.1.1.33 root 17750: } else if(strncmp(tmp, "TMP=", 4) == 0) {
1.1.1.28 root 17751: if(env_temp[0] != '\0') {
17752: sprintf(tmp, "TMP=%s", env_temp);
17753: } else {
17754: sprintf(tmp, "TMP=%s", msdos_get_multiple_short_path(tmp + 4));
1.1 root 17755: }
1.1.1.32 root 17756: tmp_added = 1;
1.1.1.33 root 17757: } else if(strncmp(tmp, "TZ=", 3) == 0) {
17758: char *env = getenv("MSDOS_TZ");
17759: if(env != NULL) {
17760: sprintf(tmp, "TZ=%s", env);
17761: }
17762: tz_added = 1;
1.1 root 17763: }
17764: int len = strlen(tmp);
1.1.1.14 root 17765: if(ofs + len + 1 + (2 + (8 + 1 + 3)) + 2 > ENV_SIZE) {
1.1 root 17766: fatalerror("too many environments\n");
17767: }
17768: memcpy(mem + (seg << 4) + ofs, tmp, len);
17769: ofs += len + 1;
17770: }
17771: }
1.1.1.32 root 17772: if(!append_added && env_append[0] != '\0') {
17773: #define SET_ENV(name, value) { \
17774: char tmp[ENV_SIZE]; \
17775: sprintf(tmp, "%s=%s", name, value); \
17776: int len = strlen(tmp); \
17777: if(ofs + len + 1 + (2 + (8 + 1 + 3)) + 2 > ENV_SIZE) { \
17778: fatalerror("too many environments\n"); \
17779: } \
17780: memcpy(mem + (seg << 4) + ofs, tmp, len); \
17781: ofs += len + 1; \
17782: }
17783: SET_ENV("APPEND", env_append);
17784: }
17785: if(!comspec_added) {
17786: SET_ENV("COMSPEC", "C:\\COMMAND.COM");
17787: }
1.1.1.33 root 17788: if(!lastdrive_added) {
17789: SET_ENV("LASTDRIVE", "Z");
17790: }
1.1.1.32 root 17791: if(!path_added) {
17792: SET_ENV("PATH", env_path);
17793: }
1.1.1.33 root 17794: if(!prompt_added) {
17795: SET_ENV("PROMPT", "$P$G");
17796: }
1.1.1.32 root 17797: if(!temp_added) {
17798: SET_ENV("TEMP", env_temp);
17799: }
17800: if(!tmp_added) {
17801: SET_ENV("TMP", env_temp);
17802: }
1.1.1.33 root 17803: if(!tz_added) {
17804: TIME_ZONE_INFORMATION tzi;
17805: HKEY hKey, hSubKey;
17806: char tzi_std_name[64];
17807: char tz_std[8] = "GMT";
17808: char tz_dlt[8] = "GST";
17809: char tz_value[32];
17810:
17811: // timezone name from GetTimeZoneInformation may not be english
17812: bool daylight = (GetTimeZoneInformation(&tzi) != TIME_ZONE_ID_UNKNOWN);
17813: setlocale(LC_CTYPE, "");
17814: wcstombs(tzi_std_name, tzi.StandardName, sizeof(tzi_std_name));
17815:
17816: // get english timezone name from registry
17817: if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Time Zones", 0, KEY_READ, &hKey) == ERROR_SUCCESS) {
17818: for(DWORD i = 0; !tz_added; i++) {
17819: char reg_name[256], sub_key[1024], std_name[256];
17820: DWORD size;
17821: FILETIME ftTime;
17822: LONG result = RegEnumKeyEx(hKey, i, reg_name, &(size = array_length(reg_name)), NULL, NULL, NULL, &ftTime);
17823:
17824: if(result == ERROR_SUCCESS) {
17825: sprintf(sub_key, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Time Zones\\%s", reg_name);
17826: if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, sub_key, 0, KEY_QUERY_VALUE, &hSubKey) == ERROR_SUCCESS) {
17827: if(RegQueryValueEx(hSubKey, "Std", NULL, NULL, (LPBYTE)std_name, &(size = array_length(std_name))) == ERROR_SUCCESS) {
17828: // search english timezone name from table
1.1.1.37 root 17829: if(strcmp(std_name, tzi_std_name) == 0) {
1.1.1.33 root 17830: for(int j = 0; j < array_length(tz_table); j++) {
17831: if(strcmp(reg_name, tz_table[j].name) == 0 && (tz_table[j].lcid == 0 || tz_table[j].lcid == GetUserDefaultLCID())) {
17832: if(tz_table[j].std != NULL) {
17833: strcpy(tz_std, tz_table[j].std);
17834: }
17835: if(tz_table[j].dlt != NULL) {
17836: strcpy(tz_dlt, tz_table[j].dlt);
17837: }
17838: tz_added = 1;
17839: break;
17840: }
17841: }
17842: }
17843: }
17844: RegCloseKey(hSubKey);
17845: }
17846: } else if(result == ERROR_NO_MORE_ITEMS) {
17847: break;
17848: }
17849: }
17850: RegCloseKey(hKey);
17851: }
17852: if((tzi.Bias % 60) != 0) {
17853: sprintf(tz_value, "%s%d:%2d", tz_std, tzi.Bias / 60, abs(tzi.Bias % 60));
17854: } else {
17855: sprintf(tz_value, "%s%d", tz_std, tzi.Bias / 60);
17856: }
17857: if(daylight) {
17858: strcat(tz_value, tz_dlt);
17859: }
17860: SET_ENV("TZ", tz_value);
17861: }
1.1 root 17862: seg += (ENV_SIZE >> 4);
17863:
17864: // psp
1.1.1.33 root 17865: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, PSP_SIZE >> 4);
1.1 root 17866: current_psp = seg;
1.1.1.35 root 17867: psp_t *psp = msdos_psp_create(seg, seg + (PSP_SIZE >> 4), -1, env_seg);
17868: psp->parent_psp = current_psp;
1.1 root 17869: seg += (PSP_SIZE >> 4);
17870:
1.1.1.19 root 17871: // first free mcb in conventional memory
1.1.1.33 root 17872: msdos_mcb_create(seg, 'M', 0, (MEMORY_END >> 4) - seg - 2);
1.1.1.8 root 17873: first_mcb = seg;
17874:
1.1.1.19 root 17875: // dummy mcb to link to umb
1.1.1.33 root 17876: #if 0
1.1.1.39 root 17877: msdos_mcb_create((MEMORY_END >> 4) - 1, 'M', PSP_SYSTEM, (UMB_TOP >> 4) - (MEMORY_END >> 4), "SC"); // link umb
1.1.1.33 root 17878: #else
1.1.1.39 root 17879: msdos_mcb_create((MEMORY_END >> 4) - 1, 'Z', PSP_SYSTEM, 0, "SC"); // unlink umb
1.1.1.33 root 17880: #endif
1.1.1.19 root 17881:
17882: // first free mcb in upper memory block
1.1.1.8 root 17883: msdos_mcb_create(UMB_TOP >> 4, 'Z', 0, (UMB_END >> 4) - (UMB_TOP >> 4) - 1);
1.1 root 17884:
1.1.1.29 root 17885: #ifdef SUPPORT_HMA
17886: // first free mcb in high memory area
17887: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
17888: #endif
17889:
1.1.1.26 root 17890: // interrupt vector
17891: for(int i = 0; i < 0x80; i++) {
17892: *(UINT16 *)(mem + 4 * i + 0) = i;
17893: *(UINT16 *)(mem + 4 * i + 2) = (IRET_TOP >> 4);
17894: }
1.1.1.49 root 17895: *(UINT16 *)(mem + 4 * 0x08 + 0) = 0x0018; // fffc:0018 irq0 (system timer)
17896: *(UINT16 *)(mem + 4 * 0x08 + 2) = DUMMY_TOP >> 4;
1.1.1.26 root 17897: *(UINT16 *)(mem + 4 * 0x22 + 0) = 0x0000; // ffff:0000 boot
17898: *(UINT16 *)(mem + 4 * 0x22 + 2) = 0xffff;
17899: *(UINT16 *)(mem + 4 * 0x67 + 0) = 0x0012; // xxxx:0012 ems
17900: *(UINT16 *)(mem + 4 * 0x67 + 2) = XMS_TOP >> 4;
1.1.1.49 root 17901: *(UINT16 *)(mem + 4 * 0x74 + 0) = 0x0000; // fffc:0000 irq12 (mouse)
17902: *(UINT16 *)(mem + 4 * 0x74 + 2) = DUMMY_TOP >> 4;
1.1.1.26 root 17903:
1.1.1.29 root 17904: // dummy devices (NUL -> CON -> ... -> CONFIG$ -> EMMXXXX0)
1.1.1.26 root 17905: static const struct {
17906: UINT16 attributes;
17907: char *dev_name;
17908: } dummy_devices[] = {
17909: {0x8013, "CON "},
17910: {0x8000, "AUX "},
17911: {0xa0c0, "PRN "},
17912: {0x8008, "CLOCK$ "},
17913: {0x8000, "COM1 "},
17914: {0xa0c0, "LPT1 "},
17915: {0xa0c0, "LPT2 "},
17916: {0xa0c0, "LPT3 "},
17917: {0x8000, "COM2 "},
17918: {0x8000, "COM3 "},
17919: {0x8000, "COM4 "},
1.1.1.30 root 17920: // {0xc000, "CONFIG$ "},
17921: {0xc000, "$IBMADSP"}, // for windows3.1 setup.exe
1.1.1.26 root 17922: };
17923: static const UINT8 dummy_device_routine[] = {
17924: // from NUL device of Windows 98 SE
17925: // or word ptr ES:[BX+03],0100
17926: 0x26, 0x81, 0x4f, 0x03, 0x00, 0x01,
17927: // retf
17928: 0xcb,
17929: };
1.1.1.29 root 17930: device_t *last = NULL;
1.1.1.32 root 17931: for(int i = 0; i < array_length(dummy_devices); i++) {
1.1.1.26 root 17932: device_t *device = (device_t *)(mem + DEVICE_TOP + 22 + 18 * i);
1.1.1.29 root 17933: device->next_driver.w.l = 22 + 18 * (i + 1);
17934: device->next_driver.w.h = DEVICE_TOP >> 4;
1.1.1.26 root 17935: device->attributes = dummy_devices[i].attributes;
1.1.1.29 root 17936: device->strategy = DEVICE_SIZE - sizeof(dummy_device_routine);
17937: device->interrupt = DEVICE_SIZE - sizeof(dummy_device_routine) + 6;
1.1.1.26 root 17938: memcpy(device->dev_name, dummy_devices[i].dev_name, 8);
1.1.1.29 root 17939: last = device;
17940: }
17941: if(last != NULL) {
17942: last->next_driver.w.l = 0;
17943: last->next_driver.w.h = XMS_TOP >> 4;
1.1.1.26 root 17944: }
1.1.1.29 root 17945: memcpy(mem + DEVICE_TOP + DEVICE_SIZE - sizeof(dummy_device_routine), dummy_device_routine, sizeof(dummy_device_routine));
1.1.1.26 root 17946:
1.1.1.25 root 17947: // dos info
17948: dos_info_t *dos_info = (dos_info_t *)(mem + DOS_INFO_TOP);
17949: dos_info->magic_word = 1;
17950: dos_info->first_mcb = MEMORY_TOP >> 4;
17951: dos_info->first_dpb.w.l = 0;
17952: dos_info->first_dpb.w.h = DPB_TOP >> 4;
17953: dos_info->first_sft.w.l = 0;
17954: dos_info->first_sft.w.h = SFT_TOP >> 4;
1.1.1.41 root 17955: dos_info->clock_device.w.l = 22 + 18 * 3; // CLOCK$ is the 4th device in IO.SYS
1.1.1.25 root 17956: dos_info->clock_device.w.h = DEVICE_TOP >> 4;
1.1.1.26 root 17957: dos_info->con_device.w.l = 22 + 18 * 0; // CON is the 1st device in IO.SYS
1.1.1.25 root 17958: dos_info->con_device.w.h = DEVICE_TOP >> 4;
17959: dos_info->max_sector_len = 512;
17960: dos_info->disk_buf_info.w.l = offsetof(dos_info_t, disk_buf_heads);
17961: dos_info->disk_buf_info.w.h = DOS_INFO_TOP >> 4;
17962: dos_info->cds.w.l = 0;
17963: dos_info->cds.w.h = CDS_TOP >> 4;
17964: dos_info->fcb_table.w.l = 0;
17965: dos_info->fcb_table.w.h = FCB_TABLE_TOP >> 4;
17966: dos_info->last_drive = 'Z' - 'A' + 1;
17967: dos_info->buffers_x = 20;
17968: dos_info->buffers_y = 0;
17969: dos_info->boot_drive = 'C' - 'A' + 1;
1.1.1.29 root 17970: dos_info->nul_device.next_driver.w.l = 22;
17971: dos_info->nul_device.next_driver.w.h = DEVICE_TOP >> 4;
1.1.1.25 root 17972: dos_info->nul_device.attributes = 0x8004;
1.1.1.29 root 17973: dos_info->nul_device.strategy = DOS_INFO_SIZE - sizeof(dummy_device_routine);
17974: dos_info->nul_device.interrupt = DOS_INFO_SIZE - sizeof(dummy_device_routine) + 6;
1.1.1.25 root 17975: memcpy(dos_info->nul_device.dev_name, "NUL ", 8);
17976: dos_info->disk_buf_heads.w.l = 0;
17977: dos_info->disk_buf_heads.w.h = DISK_BUF_TOP >> 4;
1.1.1.39 root 17978: dos_info->umb_linked = (((mcb_t *)(mem + MEMORY_END - 16))->mz == 'M' ? 0x01 : 0x00);
1.1.1.25 root 17979: dos_info->first_umb_fcb = UMB_TOP >> 4;
17980: dos_info->first_mcb_2 = MEMORY_TOP >> 4;
1.1.1.29 root 17981: memcpy(mem + DOS_INFO_TOP + DOS_INFO_SIZE - sizeof(dummy_device_routine), dummy_device_routine, sizeof(dummy_device_routine));
1.1.1.25 root 17982:
17983: char *env;
17984: if((env = getenv("LASTDRIVE")) != NULL) {
17985: if(env[0] >= 'A' && env[0] <= 'Z') {
17986: dos_info->last_drive = env[0] - 'A' + 1;
17987: } else if(env[0] >= 'a' && env[0] <= 'z') {
17988: dos_info->last_drive = env[0] - 'a' + 1;
17989: }
17990: }
17991: if((env = getenv("windir")) != NULL) {
17992: if(env[0] >= 'A' && env[0] <= 'Z') {
17993: dos_info->boot_drive = env[0] - 'A' + 1;
17994: } else if(env[0] >= 'a' && env[0] <= 'z') {
17995: dos_info->boot_drive = env[0] - 'a' + 1;
17996: }
17997: }
17998: #if defined(HAS_I386)
17999: dos_info->i386_or_later = 1;
18000: #else
18001: dos_info->i386_or_later = 0;
18002: #endif
18003: dos_info->ext_mem_size = (min(MAX_MEM, 0x4000000) - 0x100000) >> 10;
18004:
1.1.1.27 root 18005: // ems (int 67h) and xms
1.1.1.25 root 18006: device_t *xms_device = (device_t *)(mem + XMS_TOP);
18007: xms_device->next_driver.w.l = 0xffff;
18008: xms_device->next_driver.w.h = 0xffff;
18009: xms_device->attributes = 0xc000;
1.1.1.29 root 18010: xms_device->strategy = XMS_SIZE - sizeof(dummy_device_routine);
18011: xms_device->interrupt = XMS_SIZE - sizeof(dummy_device_routine) + 6;
1.1.1.25 root 18012: memcpy(xms_device->dev_name, "EMMXXXX0", 8);
18013:
1.1.1.26 root 18014: mem[XMS_TOP + 0x12] = 0xcd; // int 68h (dummy)
18015: mem[XMS_TOP + 0x13] = 0x68;
18016: mem[XMS_TOP + 0x14] = 0xcf; // iret
1.1.1.19 root 18017: #ifdef SUPPORT_XMS
18018: if(support_xms) {
1.1.1.26 root 18019: mem[XMS_TOP + 0x15] = 0xcd; // int 69h (dummy)
18020: mem[XMS_TOP + 0x16] = 0x69;
18021: mem[XMS_TOP + 0x17] = 0xcb; // retf
1.1.1.19 root 18022: } else
18023: #endif
1.1.1.26 root 18024: mem[XMS_TOP + 0x15] = 0xcb; // retf
1.1.1.29 root 18025: memcpy(mem + XMS_TOP + XMS_SIZE - sizeof(dummy_device_routine), dummy_device_routine, sizeof(dummy_device_routine));
1.1.1.19 root 18026:
1.1.1.26 root 18027: // irq12 routine (mouse)
1.1.1.49 root 18028: mem[DUMMY_TOP + 0x00] = 0xcd; // int 6ah (dummy)
18029: mem[DUMMY_TOP + 0x01] = 0x6a;
18030: mem[DUMMY_TOP + 0x02] = 0x9a; // call far mouse
18031: mem[DUMMY_TOP + 0x03] = 0xff;
18032: mem[DUMMY_TOP + 0x04] = 0xff;
18033: mem[DUMMY_TOP + 0x05] = 0xff;
18034: mem[DUMMY_TOP + 0x06] = 0xff;
18035: mem[DUMMY_TOP + 0x07] = 0xcd; // int 6bh (dummy)
18036: mem[DUMMY_TOP + 0x08] = 0x6b;
18037: mem[DUMMY_TOP + 0x09] = 0xcf; // iret
1.1.1.24 root 18038:
1.1.1.27 root 18039: // case map routine
1.1.1.49 root 18040: mem[DUMMY_TOP + 0x0a] = 0xcd; // int 6ch (dummy)
18041: mem[DUMMY_TOP + 0x0b] = 0x6c;
18042: mem[DUMMY_TOP + 0x0c] = 0xcb; // retf
1.1.1.27 root 18043:
18044: // font read routine
1.1.1.49 root 18045: mem[DUMMY_TOP + 0x0d] = 0xcd; // int 6dh (dummy)
18046: mem[DUMMY_TOP + 0x0e] = 0x6d;
18047: mem[DUMMY_TOP + 0x0f] = 0xcb; // retf
1.1.1.19 root 18048:
1.1.1.32 root 18049: // error message read routine
1.1.1.49 root 18050: mem[DUMMY_TOP + 0x10] = 0xcd; // int 6eh (dummy)
18051: mem[DUMMY_TOP + 0x11] = 0x6e;
18052: mem[DUMMY_TOP + 0x12] = 0xcb; // retf
1.1.1.32 root 18053:
1.1.1.35 root 18054: // dummy loop to wait BIOS/DOS service is done
1.1.1.49 root 18055: mem[DUMMY_TOP + 0x13] = 0xe6; // out f7h, al
18056: mem[DUMMY_TOP + 0x14] = 0xf7;
18057: mem[DUMMY_TOP + 0x15] = 0x78; // js/jns -4
18058: mem[DUMMY_TOP + 0x16] = 0xfc;
18059: mem[DUMMY_TOP + 0x17] = 0xcb; // retf
1.1.1.35 root 18060:
1.1.1.50 root 18061: // irq0 routine (system timer)
1.1.1.49 root 18062: mem[DUMMY_TOP + 0x18] = 0xcd; // int 1ch
18063: mem[DUMMY_TOP + 0x19] = 0x1c;
18064: mem[DUMMY_TOP + 0x1a] = 0xea; // jmp far (IRET_TOP >> 4):0008
18065: mem[DUMMY_TOP + 0x1b] = 0x08;
18066: mem[DUMMY_TOP + 0x1c] = 0x00;
18067: mem[DUMMY_TOP + 0x1d] = ((IRET_TOP >> 4) ) & 0xff;
18068: mem[DUMMY_TOP + 0x1e] = ((IRET_TOP >> 4) >> 8) & 0xff;
18069:
18070: // alter page map and call routine
18071: mem[DUMMY_TOP + 0x1f] = 0x9a; // call far
18072: mem[DUMMY_TOP + 0x20] = 0xff;
18073: mem[DUMMY_TOP + 0x21] = 0xff;
18074: mem[DUMMY_TOP + 0x22] = 0xff;
18075: mem[DUMMY_TOP + 0x23] = 0xff;
18076: mem[DUMMY_TOP + 0x24] = 0xcd; // int 6fh (dummy)
18077: mem[DUMMY_TOP + 0x25] = 0x6f;
18078: mem[DUMMY_TOP + 0x26] = 0xcb; // retf
1.1.1.14 root 18079:
1.1.1.50 root 18080: // call int 29h routine
18081: mem[DUMMY_TOP + 0x27] = 0xcd; // int 29h
18082: mem[DUMMY_TOP + 0x28] = 0x29;
18083: mem[DUMMY_TOP + 0x29] = 0xcb; // retf
18084:
1.1.1.26 root 18085: // boot routine
1.1.1.49 root 18086: mem[0xffff0 + 0x00] = 0xf4; // halt
18087: mem[0xffff0 + 0x05] = '0'; // rom date
18088: mem[0xffff0 + 0x06] = '2';
18089: mem[0xffff0 + 0x07] = '/';
18090: mem[0xffff0 + 0x08] = '2';
18091: mem[0xffff0 + 0x09] = '2';
18092: mem[0xffff0 + 0x0a] = '/';
18093: mem[0xffff0 + 0x0b] = '0';
18094: mem[0xffff0 + 0x0c] = '6';
18095: mem[0xffff0 + 0x0e] = 0xfc; // machine id
18096: mem[0xffff0 + 0x0f] = 0x00;
1.1.1.24 root 18097:
1.1 root 18098: // param block
18099: // + 0: param block (22bytes)
18100: // +24: fcb1/2 (20bytes)
18101: // +44: command tail (128bytes)
18102: param_block_t *param = (param_block_t *)(mem + WORK_TOP);
18103: param->env_seg = 0;
18104: param->cmd_line.w.l = 44;
18105: param->cmd_line.w.h = (WORK_TOP >> 4);
18106: param->fcb1.w.l = 24;
18107: param->fcb1.w.h = (WORK_TOP >> 4);
18108: param->fcb2.w.l = 24;
18109: param->fcb2.w.h = (WORK_TOP >> 4);
18110:
18111: memset(mem + WORK_TOP + 24, 0x20, 20);
18112:
18113: cmd_line_t *cmd_line = (cmd_line_t *)(mem + WORK_TOP + 44);
18114: if(argc > 1) {
18115: sprintf(cmd_line->cmd, " %s", argv[1]);
18116: for(int i = 2; i < argc; i++) {
18117: char tmp[128];
18118: sprintf(tmp, "%s %s", cmd_line->cmd, argv[i]);
18119: strcpy(cmd_line->cmd, tmp);
18120: }
18121: cmd_line->len = (UINT8)strlen(cmd_line->cmd);
18122: } else {
18123: cmd_line->len = 0;
18124: }
18125: cmd_line->cmd[cmd_line->len] = 0x0d;
18126:
18127: // system file table
1.1.1.21 root 18128: *(UINT32 *)(mem + SFT_TOP + 0) = 0xffffffff;
18129: *(UINT16 *)(mem + SFT_TOP + 4) = 20;
1.1 root 18130:
1.1.1.19 root 18131: // disk buffer header (from DOSBox)
18132: *(UINT16 *)(mem + DISK_BUF_TOP + 0) = 0xffff; // forward ptr
18133: *(UINT16 *)(mem + DISK_BUF_TOP + 2) = 0xffff; // backward ptr
18134: *(UINT8 *)(mem + DISK_BUF_TOP + 4) = 0xff; // not in use
18135: *(UINT8 *)(mem + DISK_BUF_TOP + 10) = 0x01; // number of FATs
18136: *(UINT32 *)(mem + DISK_BUF_TOP + 13) = 0xffffffff; // pointer to DPB
18137:
1.1 root 18138: // fcb table
18139: *(UINT32 *)(mem + FCB_TABLE_TOP + 0) = 0xffffffff;
1.1.1.14 root 18140: *(UINT16 *)(mem + FCB_TABLE_TOP + 4) = 0;
1.1 root 18141:
1.1.1.41 root 18142: // drive parameter block
1.1.1.42 root 18143: for(int i = 0; i < 2; i++) {
1.1.1.43 root 18144: // may be a floppy drive
1.1.1.44 root 18145: cds_t *cds = (cds_t *)(mem + CDS_TOP + 88 * i);
18146: sprintf(cds->path_name, "%c:\\", 'A' + i);
18147: cds->drive_attrib = 0x4000; // physical drive
18148: cds->dpb_ptr.w.l = sizeof(dpb_t) * i;
18149: cds->dpb_ptr.w.h = DPB_TOP >> 4;
18150: cds->word_1 = cds->word_2 = cds->word_3 = 0xffff;
18151: cds->bs_offset = 2;
18152:
1.1.1.41 root 18153: dpb_t *dpb = (dpb_t *)(mem + DPB_TOP + sizeof(dpb_t) * i);
18154: dpb->drive_num = i;
18155: dpb->unit_num = i;
1.1.1.43 root 18156: dpb->next_dpb_ofs = /*(i == 25) ? 0xffff : */sizeof(dpb_t) * (i + 1);
18157: dpb->next_dpb_seg = /*(i == 25) ? 0xffff : */DPB_TOP >> 4;
1.1.1.42 root 18158: }
18159: for(int i = 2; i < 26; i++) {
1.1.1.44 root 18160: msdos_cds_update(i);
1.1.1.42 root 18161: UINT16 seg, ofs;
18162: msdos_drive_param_block_update(i, &seg, &ofs, 1);
1.1.1.41 root 18163: }
18164:
1.1.1.17 root 18165: // nls stuff
18166: msdos_nls_tables_init();
1.1 root 18167:
18168: // execute command
1.1.1.28 root 18169: try {
1.1.1.52 root 18170: if(msdos_process_exec(argv[0], param, 0, true)) {
1.1.1.28 root 18171: fatalerror("'%s' not found\n", argv[0]);
18172: }
18173: } catch(...) {
18174: // we should not reach here :-(
18175: fatalerror("failed to start '%s' because of unexpected exeption\n", argv[0]);
1.1 root 18176: }
18177: retval = 0;
18178: return(0);
18179: }
18180:
18181: #define remove_std_file(path) { \
18182: int fd = _open(path, _O_RDONLY | _O_BINARY); \
18183: if(fd != -1) { \
18184: _lseek(fd, 0, SEEK_END); \
18185: int size = _tell(fd); \
18186: _close(fd); \
18187: if(size == 0) { \
18188: remove(path); \
18189: } \
18190: } \
18191: }
18192:
18193: void msdos_finish()
18194: {
18195: for(int i = 0; i < MAX_FILES; i++) {
18196: if(file_handler[i].valid) {
18197: _close(i);
18198: }
18199: }
1.1.1.21 root 18200: #ifdef MAP_AUX_DEVICE_TO_FILE
1.1 root 18201: remove_std_file("stdaux.txt");
1.1.1.21 root 18202: #endif
1.1.1.30 root 18203: #ifdef SUPPORT_XMS
18204: msdos_xms_finish();
18205: #endif
1.1 root 18206: msdos_dbcs_table_finish();
18207: }
18208:
18209: /* ----------------------------------------------------------------------------
18210: PC/AT hardware emulation
18211: ---------------------------------------------------------------------------- */
18212:
18213: void hardware_init()
18214: {
1.1.1.3 root 18215: CPU_INIT_CALL(CPU_MODEL);
1.1 root 18216: CPU_RESET_CALL(CPU_MODEL);
1.1.1.14 root 18217: m_IF = 1;
1.1.1.3 root 18218: #if defined(HAS_I386)
1.1 root 18219: cpu_type = (REG32(EDX) >> 8) & 0x0f;
18220: cpu_step = (REG32(EDX) >> 0) & 0x0f;
1.1.1.3 root 18221: #endif
18222: i386_set_a20_line(0);
1.1.1.14 root 18223:
1.1.1.19 root 18224: ems_init();
1.1.1.25 root 18225: dma_init();
1.1 root 18226: pic_init();
1.1.1.25 root 18227: pio_init();
1.1.1.8 root 18228: #ifdef PIT_ALWAYS_RUNNING
18229: pit_init();
18230: #else
1.1 root 18231: pit_active = 0;
18232: #endif
1.1.1.25 root 18233: sio_init();
1.1.1.8 root 18234: cmos_init();
18235: kbd_init();
1.1 root 18236: }
18237:
1.1.1.10 root 18238: void hardware_finish()
18239: {
18240: #if defined(HAS_I386)
18241: vtlb_free(m_vtlb);
18242: #endif
1.1.1.19 root 18243: ems_finish();
1.1.1.37 root 18244: pio_finish();
1.1.1.25 root 18245: sio_finish();
1.1.1.10 root 18246: }
18247:
1.1.1.28 root 18248: void hardware_release()
18249: {
18250: // release hardware resources when this program will be terminated abnormally
18251: #ifdef EXPORT_DEBUG_TO_FILE
1.1.1.33 root 18252: if(fp_debug_log != NULL) {
18253: fclose(fp_debug_log);
18254: fp_debug_log = NULL;
1.1.1.28 root 18255: }
18256: #endif
18257: #if defined(HAS_I386)
18258: vtlb_free(m_vtlb);
18259: #endif
18260: ems_release();
1.1.1.37 root 18261: pio_release();
1.1.1.28 root 18262: sio_release();
18263: }
18264:
1.1 root 18265: void hardware_run()
18266: {
1.1.1.22 root 18267: #ifdef EXPORT_DEBUG_TO_FILE
1.1.1.28 root 18268: // open debug log file after msdos_init() is done not to use the standard file handlers
1.1.1.33 root 18269: fp_debug_log = fopen("debug.log", "w");
1.1.1.22 root 18270: #endif
1.1.1.51 root 18271: #ifdef USE_DEBUGGER
18272: m_int_num = -1;
18273: #endif
1.1.1.54 root 18274: while(!m_exit) {
1.1.1.50 root 18275: hardware_run_cpu();
1.1 root 18276: }
1.1.1.22 root 18277: #ifdef EXPORT_DEBUG_TO_FILE
1.1.1.33 root 18278: if(fp_debug_log != NULL) {
18279: fclose(fp_debug_log);
18280: fp_debug_log = NULL;
1.1.1.28 root 18281: }
1.1.1.22 root 18282: #endif
1.1 root 18283: }
18284:
1.1.1.50 root 18285: inline void hardware_run_cpu()
18286: {
18287: #if defined(HAS_I386)
18288: CPU_EXECUTE_CALL(i386);
18289: if(m_eip != m_prev_eip) {
18290: idle_ops++;
18291: }
18292: #else
18293: CPU_EXECUTE_CALL(CPU_MODEL);
18294: if(m_pc != m_prevpc) {
18295: idle_ops++;
18296: }
18297: #endif
18298: #ifdef USE_DEBUGGER
18299: // Disallow reentering CPU_EXECUTE() in msdos_syscall()
18300: if(m_int_num >= 0) {
18301: unsigned num = (unsigned)m_int_num;
18302: m_int_num = -1;
18303: msdos_syscall(num);
18304: }
18305: #endif
18306: if(++update_ops == UPDATE_OPS) {
18307: update_ops = 0;
18308: hardware_update();
18309: }
18310: }
18311:
1.1 root 18312: void hardware_update()
18313: {
1.1.1.8 root 18314: static UINT32 prev_time = 0;
18315: UINT32 cur_time = timeGetTime();
18316:
18317: if(prev_time != cur_time) {
18318: // update pit and raise irq0
18319: #ifndef PIT_ALWAYS_RUNNING
18320: if(pit_active)
18321: #endif
18322: {
18323: if(pit_run(0, cur_time)) {
18324: pic_req(0, 0, 1);
18325: }
18326: pit_run(1, cur_time);
18327: pit_run(2, cur_time);
18328: }
1.1.1.24 root 18329:
1.1.1.25 root 18330: // update sio and raise irq4/3
1.1.1.29 root 18331: for(int c = 0; c < 4; c++) {
1.1.1.25 root 18332: sio_update(c);
18333: }
18334:
1.1.1.24 root 18335: // update keyboard and mouse
1.1.1.14 root 18336: static UINT32 prev_tick = 0;
18337: UINT32 cur_tick = cur_time / 32;
1.1.1.25 root 18338:
1.1.1.14 root 18339: if(prev_tick != cur_tick) {
18340: // update keyboard flags
18341: UINT8 state;
1.1.1.24 root 18342: state = (GetAsyncKeyState(VK_INSERT ) & 0x0001) ? 0x80 : 0;
18343: state |= (GetAsyncKeyState(VK_CAPITAL ) & 0x0001) ? 0x40 : 0;
18344: state |= (GetAsyncKeyState(VK_NUMLOCK ) & 0x0001) ? 0x20 : 0;
18345: state |= (GetAsyncKeyState(VK_SCROLL ) & 0x0001) ? 0x10 : 0;
18346: state |= (GetAsyncKeyState(VK_MENU ) & 0x8000) ? 0x08 : 0;
18347: state |= (GetAsyncKeyState(VK_CONTROL ) & 0x8000) ? 0x04 : 0;
18348: state |= (GetAsyncKeyState(VK_LSHIFT ) & 0x8000) ? 0x02 : 0;
18349: state |= (GetAsyncKeyState(VK_RSHIFT ) & 0x8000) ? 0x01 : 0;
1.1.1.14 root 18350: mem[0x417] = state;
18351: state = (GetAsyncKeyState(VK_INSERT ) & 0x8000) ? 0x80 : 0;
18352: state |= (GetAsyncKeyState(VK_CAPITAL ) & 0x8000) ? 0x40 : 0;
18353: state |= (GetAsyncKeyState(VK_NUMLOCK ) & 0x8000) ? 0x20 : 0;
18354: state |= (GetAsyncKeyState(VK_SCROLL ) & 0x8000) ? 0x10 : 0;
1.1.1.24 root 18355: // state |= (GetAsyncKeyState(VK_PAUSE ) & 0x0001) ? 0x08 : 0;
18356: // state |= (GetAsyncKeyState(VK_SYSREQ ) & 0x8000) ? 0x04 : 0;
1.1.1.14 root 18357: state |= (GetAsyncKeyState(VK_LMENU ) & 0x8000) ? 0x02 : 0;
18358: state |= (GetAsyncKeyState(VK_LCONTROL) & 0x8000) ? 0x01 : 0;
18359: mem[0x418] = state;
18360:
1.1.1.24 root 18361: // update console input if needed
1.1.1.34 root 18362: if(!key_changed || mouse.hidden == 0) {
1.1.1.24 root 18363: update_console_input();
18364: }
18365:
1.1.1.55 root 18366: // raise irq1 if key buffer is not empty
1.1.1.56! root 18367: if(!key_changed) {
1.1.1.55 root 18368: #ifdef USE_SERVICE_THREAD
1.1.1.56! root 18369: EnterCriticalSection(&key_buf_crit_sect);
1.1.1.55 root 18370: #endif
1.1.1.56! root 18371: key_changed = !pcbios_is_key_buffer_empty();
1.1.1.55 root 18372: #ifdef USE_SERVICE_THREAD
1.1.1.56! root 18373: LeaveCriticalSection(&key_buf_crit_sect);
1.1.1.55 root 18374: #endif
1.1.1.56! root 18375: }
! 18376: if(key_changed) {
1.1.1.8 root 18377: pic_req(0, 1, 1);
1.1.1.56! root 18378: key_changed = false;
1.1.1.24 root 18379: }
18380:
18381: // raise irq12 if mouse status is changed
1.1.1.54 root 18382: if((mouse.status & 0x1f) && mouse.call_addr_ps2.dw) {
18383: mouse.status_irq = 0; // ???
18384: mouse.status_irq_alt = 0; // ???
18385: mouse.status_irq_ps2 = mouse.status & 0x1f;
18386: mouse.status = 0;
18387: pic_req(1, 4, 1);
18388: } else if((mouse.status & mouse.call_mask) && mouse.call_addr.dw) {
1.1.1.43 root 18389: mouse.status_irq = mouse.status & mouse.call_mask;
18390: mouse.status_irq_alt = 0; // ???
1.1.1.54 root 18391: mouse.status_irq_ps2 = 0; // ???
1.1.1.24 root 18392: mouse.status &= ~mouse.call_mask;
1.1.1.43 root 18393: pic_req(1, 4, 1);
18394: } else {
18395: for(int i = 0; i < 8; i++) {
18396: if((mouse.status_alt & (1 << i)) && mouse.call_addr_alt[i].dw) {
18397: mouse.status_irq = 0; // ???
18398: mouse.status_irq_alt = 0;
1.1.1.54 root 18399: mouse.status_irq_ps2 = 0; // ???
1.1.1.43 root 18400: for(int j = 0; j < 8; j++) {
18401: if((mouse.status_alt & (1 << j)) && mouse.call_addr_alt[i].dw == mouse.call_addr_alt[j].dw) {
18402: mouse.status_irq_alt |= (1 << j);
18403: mouse.status_alt &= ~(1 << j);
18404: }
18405: }
18406: pic_req(1, 4, 1);
18407: break;
18408: }
18409: }
1.1.1.8 root 18410: }
1.1.1.24 root 18411:
1.1.1.14 root 18412: prev_tick = cur_tick;
1.1.1.8 root 18413: }
1.1.1.24 root 18414:
1.1.1.19 root 18415: // update daily timer counter
18416: pcbios_update_daily_timer_counter(cur_time);
1.1.1.25 root 18417:
1.1.1.8 root 18418: prev_time = cur_time;
1.1 root 18419: }
18420: }
18421:
1.1.1.19 root 18422: // ems
18423:
18424: void ems_init()
18425: {
18426: memset(ems_handles, 0, sizeof(ems_handles));
18427: memset(ems_pages, 0, sizeof(ems_pages));
18428: free_ems_pages = MAX_EMS_PAGES;
18429: }
18430:
18431: void ems_finish()
18432: {
1.1.1.28 root 18433: ems_release();
18434: }
18435:
18436: void ems_release()
18437: {
1.1.1.31 root 18438: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.28 root 18439: if(ems_handles[i].buffer != NULL) {
1.1.1.19 root 18440: free(ems_handles[i].buffer);
18441: ems_handles[i].buffer = NULL;
18442: }
18443: }
18444: }
18445:
18446: void ems_allocate_pages(int handle, int pages)
18447: {
18448: if(pages > 0) {
18449: ems_handles[handle].buffer = (UINT8 *)calloc(1, 0x4000 * pages);
18450: } else {
18451: ems_handles[handle].buffer = NULL;
18452: }
18453: ems_handles[handle].pages = pages;
18454: ems_handles[handle].allocated = true;
18455: free_ems_pages -= pages;
18456: }
18457:
18458: void ems_reallocate_pages(int handle, int pages)
18459: {
18460: if(ems_handles[handle].allocated) {
18461: if(ems_handles[handle].pages != pages) {
18462: UINT8 *new_buffer = NULL;
18463:
18464: if(pages > 0) {
18465: new_buffer = (UINT8 *)calloc(1, 0x4000 * pages);
18466: }
1.1.1.32 root 18467: if(ems_handles[handle].buffer != NULL) {
18468: if(new_buffer != NULL) {
1.1.1.19 root 18469: if(pages > ems_handles[handle].pages) {
18470: memcpy(new_buffer, ems_handles[handle].buffer, 0x4000 * ems_handles[handle].pages);
18471: } else {
18472: memcpy(new_buffer, ems_handles[handle].buffer, 0x4000 * pages);
18473: }
18474: }
18475: free(ems_handles[handle].buffer);
18476: ems_handles[handle].buffer = NULL;
18477: }
18478: free_ems_pages += ems_handles[handle].pages;
18479:
18480: ems_handles[handle].buffer = new_buffer;
18481: ems_handles[handle].pages = pages;
18482: free_ems_pages -= pages;
18483: }
18484: } else {
18485: ems_allocate_pages(handle, pages);
18486: }
18487: }
18488:
18489: void ems_release_pages(int handle)
18490: {
18491: if(ems_handles[handle].allocated) {
1.1.1.32 root 18492: if(ems_handles[handle].buffer != NULL) {
1.1.1.19 root 18493: free(ems_handles[handle].buffer);
18494: ems_handles[handle].buffer = NULL;
18495: }
18496: free_ems_pages += ems_handles[handle].pages;
18497: ems_handles[handle].allocated = false;
18498: }
18499: }
18500:
18501: void ems_map_page(int physical, int handle, int logical)
18502: {
18503: if(ems_pages[physical].mapped) {
18504: if(ems_pages[physical].handle == handle && ems_pages[physical].page == logical) {
18505: return;
18506: }
18507: ems_unmap_page(physical);
18508: }
1.1.1.32 root 18509: if(ems_handles[handle].allocated && ems_handles[handle].buffer != NULL && logical < ems_handles[handle].pages) {
1.1.1.19 root 18510: memcpy(mem + EMS_TOP + 0x4000 * physical, ems_handles[handle].buffer + 0x4000 * logical, 0x4000);
18511: }
18512: ems_pages[physical].handle = handle;
18513: ems_pages[physical].page = logical;
18514: ems_pages[physical].mapped = true;
18515: }
18516:
18517: void ems_unmap_page(int physical)
18518: {
18519: if(ems_pages[physical].mapped) {
18520: int handle = ems_pages[physical].handle;
18521: int logical = ems_pages[physical].page;
18522:
1.1.1.32 root 18523: if(ems_handles[handle].allocated && ems_handles[handle].buffer != NULL && logical < ems_handles[handle].pages) {
1.1.1.19 root 18524: memcpy(ems_handles[handle].buffer + 0x4000 * logical, mem + EMS_TOP + 0x4000 * physical, 0x4000);
18525: }
18526: ems_pages[physical].mapped = false;
18527: }
18528: }
18529:
1.1.1.25 root 18530: // dma
1.1 root 18531:
1.1.1.25 root 18532: void dma_init()
1.1 root 18533: {
1.1.1.26 root 18534: memset(dma, 0, sizeof(dma));
1.1.1.25 root 18535: for(int c = 0; c < 2; c++) {
1.1.1.26 root 18536: // for(int ch = 0; ch < 4; ch++) {
18537: // dma[c].ch[ch].creg.w = dma[c].ch[ch].bcreg.w = 0xffff;
18538: // }
1.1.1.25 root 18539: dma_reset(c);
18540: }
1.1 root 18541: }
18542:
1.1.1.25 root 18543: void dma_reset(int c)
1.1 root 18544: {
1.1.1.25 root 18545: dma[c].low_high = false;
18546: dma[c].cmd = dma[c].req = dma[c].tc = 0;
18547: dma[c].mask = 0xff;
18548: }
18549:
18550: void dma_write(int c, UINT32 addr, UINT8 data)
18551: {
18552: int ch = (addr >> 1) & 3;
18553: UINT8 bit = 1 << (data & 3);
18554:
18555: switch(addr & 0x0f) {
18556: case 0x00: case 0x02: case 0x04: case 0x06:
18557: if(dma[c].low_high) {
18558: dma[c].ch[ch].bareg.b.h = data;
1.1 root 18559: } else {
1.1.1.25 root 18560: dma[c].ch[ch].bareg.b.l = data;
18561: }
18562: dma[c].ch[ch].areg.w = dma[c].ch[ch].bareg.w;
18563: dma[c].low_high = !dma[c].low_high;
18564: break;
18565: case 0x01: case 0x03: case 0x05: case 0x07:
18566: if(dma[c].low_high) {
18567: dma[c].ch[ch].bcreg.b.h = data;
18568: } else {
18569: dma[c].ch[ch].bcreg.b.l = data;
18570: }
18571: dma[c].ch[ch].creg.w = dma[c].ch[ch].bcreg.w;
18572: dma[c].low_high = !dma[c].low_high;
18573: break;
18574: case 0x08:
18575: // command register
18576: dma[c].cmd = data;
18577: break;
18578: case 0x09:
18579: // dma[c].request register
18580: if(data & 4) {
18581: if(!(dma[c].req & bit)) {
18582: dma[c].req |= bit;
18583: // dma_run(c, ch);
18584: }
18585: } else {
18586: dma[c].req &= ~bit;
18587: }
18588: break;
18589: case 0x0a:
18590: // single mask register
18591: if(data & 4) {
18592: dma[c].mask |= bit;
18593: } else {
18594: dma[c].mask &= ~bit;
18595: }
18596: break;
18597: case 0x0b:
18598: // mode register
18599: dma[c].ch[data & 3].mode = data;
18600: break;
18601: case 0x0c:
18602: dma[c].low_high = false;
18603: break;
18604: case 0x0d:
18605: // clear master
18606: dma_reset(c);
18607: break;
18608: case 0x0e:
18609: // clear mask register
18610: dma[c].mask = 0;
18611: break;
18612: case 0x0f:
18613: // all mask register
18614: dma[c].mask = data & 0x0f;
18615: break;
18616: }
18617: }
18618:
18619: UINT8 dma_read(int c, UINT32 addr)
18620: {
18621: int ch = (addr >> 1) & 3;
18622: UINT8 val = 0xff;
18623:
18624: switch(addr & 0x0f) {
18625: case 0x00: case 0x02: case 0x04: case 0x06:
18626: if(dma[c].low_high) {
18627: val = dma[c].ch[ch].areg.b.h;
18628: } else {
18629: val = dma[c].ch[ch].areg.b.l;
18630: }
18631: dma[c].low_high = !dma[c].low_high;
18632: return(val);
18633: case 0x01: case 0x03: case 0x05: case 0x07:
18634: if(dma[c].low_high) {
18635: val = dma[c].ch[ch].creg.b.h;
18636: } else {
18637: val = dma[c].ch[ch].creg.b.l;
18638: }
18639: dma[c].low_high = !dma[c].low_high;
18640: return(val);
18641: case 0x08:
18642: // status register
18643: val = (dma[c].req << 4) | dma[c].tc;
18644: dma[c].tc = 0;
18645: return(val);
18646: case 0x0d:
1.1.1.26 root 18647: // temporary register (intel 82374 does not support)
1.1.1.25 root 18648: return(dma[c].tmp & 0xff);
1.1.1.26 root 18649: case 0x0f:
18650: // mask register (intel 82374 does support)
18651: return(dma[c].mask);
1.1.1.25 root 18652: }
18653: return(0xff);
18654: }
18655:
18656: void dma_page_write(int c, int ch, UINT8 data)
18657: {
18658: dma[c].ch[ch].pagereg = data;
18659: }
18660:
18661: UINT8 dma_page_read(int c, int ch)
18662: {
18663: return(dma[c].ch[ch].pagereg);
18664: }
18665:
18666: void dma_run(int c, int ch)
18667: {
18668: UINT8 bit = 1 << ch;
18669:
18670: if((dma[c].req & bit) && !(dma[c].mask & bit)) {
18671: // execute dma
18672: while(dma[c].req & bit) {
18673: if(ch == 0 && (dma[c].cmd & 0x01)) {
18674: // memory -> memory
18675: UINT32 saddr = dma[c].ch[0].areg.w | (dma[c].ch[0].pagereg << 16);
18676: UINT32 daddr = dma[c].ch[1].areg.w | (dma[c].ch[1].pagereg << 16);
18677:
18678: if(c == 0) {
18679: dma[c].tmp = read_byte(saddr);
18680: write_byte(daddr, dma[c].tmp);
18681: } else {
18682: dma[c].tmp = read_word(saddr << 1);
18683: write_word(daddr << 1, dma[c].tmp);
18684: }
18685: if(!(dma[c].cmd & 0x02)) {
18686: if(dma[c].ch[0].mode & 0x20) {
18687: dma[c].ch[0].areg.w--;
18688: if(dma[c].ch[0].areg.w == 0xffff) {
18689: dma[c].ch[0].pagereg--;
18690: }
18691: } else {
18692: dma[c].ch[0].areg.w++;
18693: if(dma[c].ch[0].areg.w == 0) {
18694: dma[c].ch[0].pagereg++;
18695: }
18696: }
18697: }
18698: if(dma[c].ch[1].mode & 0x20) {
18699: dma[c].ch[1].areg.w--;
18700: if(dma[c].ch[1].areg.w == 0xffff) {
18701: dma[c].ch[1].pagereg--;
18702: }
18703: } else {
18704: dma[c].ch[1].areg.w++;
18705: if(dma[c].ch[1].areg.w == 0) {
18706: dma[c].ch[1].pagereg++;
18707: }
18708: }
18709:
18710: // check dma condition
18711: if(dma[c].ch[0].creg.w-- == 0) {
18712: if(dma[c].ch[0].mode & 0x10) {
18713: // self initialize
18714: dma[c].ch[0].areg.w = dma[c].ch[0].bareg.w;
18715: dma[c].ch[0].creg.w = dma[c].ch[0].bcreg.w;
18716: } else {
18717: // dma[c].mask |= bit;
18718: }
18719: }
18720: if(dma[c].ch[1].creg.w-- == 0) {
18721: // terminal count
18722: if(dma[c].ch[1].mode & 0x10) {
18723: // self initialize
18724: dma[c].ch[1].areg.w = dma[c].ch[1].bareg.w;
18725: dma[c].ch[1].creg.w = dma[c].ch[1].bcreg.w;
18726: } else {
18727: dma[c].mask |= bit;
18728: }
18729: dma[c].req &= ~bit;
18730: dma[c].tc |= bit;
18731: }
18732: } else {
18733: UINT32 addr = dma[c].ch[ch].areg.w | (dma[c].ch[ch].pagereg << 16);
18734:
18735: if((dma[c].ch[ch].mode & 0x0c) == 0x00) {
18736: // verify
18737: } else if((dma[c].ch[ch].mode & 0x0c) == 0x04) {
18738: // io -> memory
18739: if(c == 0) {
18740: dma[c].tmp = read_io_byte(dma[c].ch[ch].port);
18741: write_byte(addr, dma[c].tmp);
18742: } else {
18743: dma[c].tmp = read_io_word(dma[c].ch[ch].port);
18744: write_word(addr << 1, dma[c].tmp);
18745: }
18746: } else if((dma[c].ch[ch].mode & 0x0c) == 0x08) {
18747: // memory -> io
18748: if(c == 0) {
18749: dma[c].tmp = read_byte(addr);
18750: write_io_byte(dma[c].ch[ch].port, dma[c].tmp);
18751: } else {
18752: dma[c].tmp = read_word(addr << 1);
18753: write_io_word(dma[c].ch[ch].port, dma[c].tmp);
18754: }
18755: }
18756: if(dma[c].ch[ch].mode & 0x20) {
18757: dma[c].ch[ch].areg.w--;
18758: if(dma[c].ch[ch].areg.w == 0xffff) {
18759: dma[c].ch[ch].pagereg--;
18760: }
18761: } else {
18762: dma[c].ch[ch].areg.w++;
18763: if(dma[c].ch[ch].areg.w == 0) {
18764: dma[c].ch[ch].pagereg++;
18765: }
18766: }
18767:
18768: // check dma condition
18769: if(dma[c].ch[ch].creg.w-- == 0) {
18770: // terminal count
18771: if(dma[c].ch[ch].mode & 0x10) {
18772: // self initialize
18773: dma[c].ch[ch].areg.w = dma[c].ch[ch].bareg.w;
18774: dma[c].ch[ch].creg.w = dma[c].ch[ch].bcreg.w;
18775: } else {
18776: dma[c].mask |= bit;
18777: }
18778: dma[c].req &= ~bit;
18779: dma[c].tc |= bit;
18780: } else if((dma[c].ch[ch].mode & 0xc0) == 0x40) {
18781: // single mode
18782: break;
18783: }
18784: }
18785: }
18786: }
18787: }
18788:
18789: // pic
18790:
18791: void pic_init()
18792: {
18793: memset(pic, 0, sizeof(pic));
18794: pic[0].imr = pic[1].imr = 0xff;
18795:
18796: // from bochs bios
18797: pic_write(0, 0, 0x11); // icw1 = 11h
18798: pic_write(0, 1, 0x08); // icw2 = 08h
18799: pic_write(0, 1, 0x04); // icw3 = 04h
18800: pic_write(0, 1, 0x01); // icw4 = 01h
18801: pic_write(0, 1, 0xb8); // ocw1 = b8h
18802: pic_write(1, 0, 0x11); // icw1 = 11h
18803: pic_write(1, 1, 0x70); // icw2 = 70h
18804: pic_write(1, 1, 0x02); // icw3 = 02h
18805: pic_write(1, 1, 0x01); // icw4 = 01h
18806: }
18807:
18808: void pic_write(int c, UINT32 addr, UINT8 data)
18809: {
18810: if(addr & 1) {
18811: if(pic[c].icw2_r) {
18812: // icw2
18813: pic[c].icw2 = data;
18814: pic[c].icw2_r = 0;
18815: } else if(pic[c].icw3_r) {
18816: // icw3
18817: pic[c].icw3 = data;
18818: pic[c].icw3_r = 0;
18819: } else if(pic[c].icw4_r) {
18820: // icw4
18821: pic[c].icw4 = data;
18822: pic[c].icw4_r = 0;
18823: } else {
18824: // ocw1
1.1 root 18825: pic[c].imr = data;
18826: }
18827: } else {
18828: if(data & 0x10) {
18829: // icw1
18830: pic[c].icw1 = data;
18831: pic[c].icw2_r = 1;
18832: pic[c].icw3_r = (data & 2) ? 0 : 1;
18833: pic[c].icw4_r = data & 1;
18834: pic[c].irr = 0;
18835: pic[c].isr = 0;
18836: pic[c].imr = 0;
18837: pic[c].prio = 0;
18838: if(!(pic[c].icw1 & 1)) {
18839: pic[c].icw4 = 0;
18840: }
18841: pic[c].ocw3 = 0;
18842: } else if(data & 8) {
18843: // ocw3
18844: if(!(data & 2)) {
18845: data = (data & ~1) | (pic[c].ocw3 & 1);
18846: }
18847: if(!(data & 0x40)) {
18848: data = (data & ~0x20) | (pic[c].ocw3 & 0x20);
18849: }
18850: pic[c].ocw3 = data;
18851: } else {
18852: // ocw2
18853: int level = 0;
18854: if(data & 0x40) {
18855: level = data & 7;
18856: } else {
18857: if(!pic[c].isr) {
18858: return;
18859: }
18860: level = pic[c].prio;
18861: while(!(pic[c].isr & (1 << level))) {
18862: level = (level + 1) & 7;
18863: }
18864: }
18865: if(data & 0x80) {
18866: pic[c].prio = (level + 1) & 7;
18867: }
18868: if(data & 0x20) {
18869: pic[c].isr &= ~(1 << level);
18870: }
18871: }
18872: }
18873: pic_update();
18874: }
18875:
18876: UINT8 pic_read(int c, UINT32 addr)
18877: {
18878: if(addr & 1) {
18879: return(pic[c].imr);
18880: } else {
18881: // polling mode is not supported...
18882: //if(pic[c].ocw3 & 4) {
18883: // return ???;
18884: //}
18885: if(pic[c].ocw3 & 1) {
18886: return(pic[c].isr);
18887: } else {
18888: return(pic[c].irr);
18889: }
18890: }
18891: }
18892:
18893: void pic_req(int c, int level, int signal)
18894: {
18895: if(signal) {
18896: pic[c].irr |= (1 << level);
18897: } else {
18898: pic[c].irr &= ~(1 << level);
18899: }
18900: pic_update();
18901: }
18902:
18903: int pic_ack()
18904: {
18905: // ack (INTA=L)
18906: pic[pic_req_chip].isr |= pic_req_bit;
18907: pic[pic_req_chip].irr &= ~pic_req_bit;
18908: if(pic_req_chip > 0) {
18909: // update isr and irr of master
18910: UINT8 slave = 1 << (pic[pic_req_chip].icw3 & 7);
18911: pic[pic_req_chip - 1].isr |= slave;
18912: pic[pic_req_chip - 1].irr &= ~slave;
18913: }
18914: //if(pic[pic_req_chip].icw4 & 1) {
18915: // 8086 mode
18916: int vector = (pic[pic_req_chip].icw2 & 0xf8) | pic_req_level;
18917: //} else {
18918: // // 8080 mode
18919: // UINT16 addr = (UINT16)pic[pic_req_chip].icw2 << 8;
18920: // if(pic[pic_req_chip].icw1 & 4) {
18921: // addr |= (pic[pic_req_chip].icw1 & 0xe0) | (pic_req_level << 2);
18922: // } else {
18923: // addr |= (pic[pic_req_chip].icw1 & 0xc0) | (pic_req_level << 3);
18924: // }
18925: // vector = 0xcd | (addr << 8);
18926: //}
18927: if(pic[pic_req_chip].icw4 & 2) {
18928: // auto eoi
18929: pic[pic_req_chip].isr &= ~pic_req_bit;
18930: }
18931: return(vector);
18932: }
18933:
18934: void pic_update()
18935: {
18936: for(int c = 0; c < 2; c++) {
18937: UINT8 irr = pic[c].irr;
18938: if(c + 1 < 2) {
18939: // this is master
18940: if(pic[c + 1].irr & (~pic[c + 1].imr)) {
18941: // request from slave
18942: irr |= 1 << (pic[c + 1].icw3 & 7);
18943: }
18944: }
18945: irr &= (~pic[c].imr);
18946: if(!irr) {
18947: break;
18948: }
18949: if(!(pic[c].ocw3 & 0x20)) {
18950: irr |= pic[c].isr;
18951: }
18952: int level = pic[c].prio;
18953: UINT8 bit = 1 << level;
18954: while(!(irr & bit)) {
18955: level = (level + 1) & 7;
18956: bit = 1 << level;
18957: }
18958: if((c + 1 < 2) && (pic[c].icw3 & bit)) {
18959: // check slave
18960: continue;
18961: }
18962: if(pic[c].isr & bit) {
18963: break;
18964: }
18965: // interrupt request
18966: pic_req_chip = c;
18967: pic_req_level = level;
18968: pic_req_bit = bit;
1.1.1.3 root 18969: i386_set_irq_line(INPUT_LINE_IRQ, HOLD_LINE);
1.1 root 18970: return;
18971: }
1.1.1.3 root 18972: i386_set_irq_line(INPUT_LINE_IRQ, CLEAR_LINE);
1.1.1.2 root 18973: }
1.1 root 18974:
1.1.1.25 root 18975: // pio
18976:
18977: void pio_init()
18978: {
1.1.1.38 root 18979: // bool conv_mode = (GetConsoleCP() == 932);
18980:
1.1.1.26 root 18981: memset(pio, 0, sizeof(pio));
1.1.1.37 root 18982:
1.1.1.25 root 18983: for(int c = 0; c < 2; c++) {
1.1.1.37 root 18984: pio[c].stat = 0xdf;
1.1.1.25 root 18985: pio[c].ctrl = 0x0c;
1.1.1.38 root 18986: // pio[c].conv_mode = conv_mode;
1.1.1.25 root 18987: }
18988: }
18989:
1.1.1.37 root 18990: void pio_finish()
18991: {
18992: pio_release();
18993: }
18994:
18995: void pio_release()
18996: {
18997: for(int c = 0; c < 2; c++) {
18998: if(pio[c].fp != NULL) {
1.1.1.38 root 18999: if(pio[c].jis_mode) {
19000: fputc(0x1c, pio[c].fp);
19001: fputc(0x2e, pio[c].fp);
19002: }
1.1.1.37 root 19003: fclose(pio[c].fp);
19004: pio[c].fp = NULL;
19005: }
19006: }
19007: }
19008:
1.1.1.25 root 19009: void pio_write(int c, UINT32 addr, UINT8 data)
19010: {
19011: switch(addr & 3) {
19012: case 0:
19013: pio[c].data = data;
19014: break;
19015: case 2:
1.1.1.37 root 19016: if((pio[c].ctrl & 0x01) && !(data & 0x01)) {
19017: // strobe H -> L
19018: if(pio[c].data == 0x0d && (data & 0x02)) {
19019: // auto feed
19020: printer_out(c, 0x0d);
19021: printer_out(c, 0x0a);
19022: } else {
19023: printer_out(c, pio[c].data);
19024: }
19025: pio[c].stat &= ~0x40; // set ack
19026: }
1.1.1.25 root 19027: pio[c].ctrl = data;
19028: break;
19029: }
19030: }
19031:
19032: UINT8 pio_read(int c, UINT32 addr)
19033: {
19034: switch(addr & 3) {
19035: case 0:
1.1.1.37 root 19036: if(pio[c].ctrl & 0x20) {
19037: // input mode
19038: return(0xff);
19039: }
1.1.1.25 root 19040: return(pio[c].data);
19041: case 1:
1.1.1.37 root 19042: {
19043: UINT8 stat = pio[c].stat;
19044: pio[c].stat |= 0x40; // clear ack
19045: return(stat);
19046: }
1.1.1.25 root 19047: case 2:
19048: return(pio[c].ctrl);
19049: }
19050: return(0xff);
19051: }
19052:
1.1.1.37 root 19053: void printer_out(int c, UINT8 data)
19054: {
19055: SYSTEMTIME time;
1.1.1.38 root 19056: bool jis_mode = false;
1.1.1.37 root 19057:
19058: GetLocalTime(&time);
19059:
19060: if(pio[c].fp != NULL) {
19061: // if at least 1000ms passed from last written, close the current file
19062: FILETIME ftime1;
19063: FILETIME ftime2;
19064: SystemTimeToFileTime(&pio[c].time, &ftime1);
19065: SystemTimeToFileTime(&time, &ftime2);
19066: INT64 *time1 = (INT64 *)&ftime1;
19067: INT64 *time2 = (INT64 *)&ftime2;
19068: INT64 msec = (*time2 - *time1) / 10000;
19069:
19070: if(msec >= 1000) {
1.1.1.38 root 19071: if(pio[c].jis_mode) {
19072: fputc(0x1c, pio[c].fp);
19073: fputc(0x2e, pio[c].fp);
19074: jis_mode = true;
19075: }
1.1.1.37 root 19076: fclose(pio[c].fp);
19077: pio[c].fp = NULL;
19078: }
19079: }
19080: if(pio[c].fp == NULL) {
19081: // create a new file in the temp folder
19082: char file_name[MAX_PATH];
19083:
19084: sprintf(file_name, "%d-%0.2d-%0.2d_%0.2d-%0.2d-%0.2d.PRN", time.wYear, time.wMonth, time.wDay, time.wHour, time.wMinute, time.wSecond);
19085: if(GetTempPath(MAX_PATH, pio[c].path)) {
19086: strcat(pio[c].path, file_name);
19087: } else {
19088: strcpy(pio[c].path, file_name);
19089: }
1.1.1.38 root 19090: pio[c].fp = fopen(pio[c].path, "w+b");
1.1.1.37 root 19091: }
19092: if(pio[c].fp != NULL) {
1.1.1.38 root 19093: if(jis_mode) {
19094: fputc(0x1c, pio[c].fp);
19095: fputc(0x26, pio[c].fp);
19096: }
1.1.1.37 root 19097: fputc(data, pio[c].fp);
1.1.1.38 root 19098:
19099: // reopen file if 1ch 26h 1ch 2eh (kanji-on kanji-off) are written at the top
19100: if(data == 0x2e && ftell(pio[c].fp) == 4) {
19101: UINT8 buffer[4];
19102: fseek(pio[c].fp, 0, SEEK_SET);
19103: fread(buffer, 4, 1, pio[c].fp);
19104: if(buffer[0] == 0x1c && buffer[1] == 0x26 && buffer[2] == 0x1c/* && buffer[3] == 0x2e*/) {
19105: fclose(pio[c].fp);
19106: pio[c].fp = fopen(pio[c].path, "w+b");
19107: }
19108: }
1.1.1.37 root 19109: pio[c].time = time;
19110: }
19111: }
19112:
1.1 root 19113: // pit
19114:
1.1.1.22 root 19115: #define PIT_FREQ 1193182ULL
1.1 root 19116: #define PIT_COUNT_VALUE(n) ((pit[n].count_reg == 0) ? 0x10000 : (pit[n].mode == 3 && pit[n].count_reg == 1) ? 0x10001 : pit[n].count_reg)
19117:
19118: void pit_init()
19119: {
1.1.1.8 root 19120: memset(pit, 0, sizeof(pit));
1.1 root 19121: for(int ch = 0; ch < 3; ch++) {
19122: pit[ch].count = 0x10000;
19123: pit[ch].ctrl_reg = 0x34;
19124: pit[ch].mode = 3;
19125: }
19126:
19127: // from bochs bios
19128: pit_write(3, 0x34);
19129: pit_write(0, 0x00);
19130: pit_write(0, 0x00);
19131: }
19132:
19133: void pit_write(int ch, UINT8 val)
19134: {
1.1.1.8 root 19135: #ifndef PIT_ALWAYS_RUNNING
1.1 root 19136: if(!pit_active) {
19137: pit_active = 1;
19138: pit_init();
19139: }
1.1.1.8 root 19140: #endif
1.1 root 19141: switch(ch) {
19142: case 0:
19143: case 1:
19144: case 2:
19145: // write count register
19146: if(!pit[ch].low_write && !pit[ch].high_write) {
19147: if(pit[ch].ctrl_reg & 0x10) {
19148: pit[ch].low_write = 1;
19149: }
19150: if(pit[ch].ctrl_reg & 0x20) {
19151: pit[ch].high_write = 1;
19152: }
19153: }
19154: if(pit[ch].low_write) {
19155: pit[ch].count_reg = val;
19156: pit[ch].low_write = 0;
19157: } else if(pit[ch].high_write) {
19158: if((pit[ch].ctrl_reg & 0x30) == 0x20) {
19159: pit[ch].count_reg = val << 8;
19160: } else {
19161: pit[ch].count_reg |= val << 8;
19162: }
19163: pit[ch].high_write = 0;
19164: }
19165: // start count
1.1.1.8 root 19166: if(!pit[ch].low_write && !pit[ch].high_write) {
19167: if(pit[ch].mode == 0 || pit[ch].mode == 4 || pit[ch].prev_time == 0) {
19168: pit[ch].count = PIT_COUNT_VALUE(ch);
19169: pit[ch].prev_time = timeGetTime();
19170: pit[ch].expired_time = pit[ch].prev_time + pit_get_expired_time(ch);
1.1 root 19171: }
19172: }
19173: break;
19174: case 3: // ctrl reg
19175: if((val & 0xc0) == 0xc0) {
19176: // i8254 read-back command
19177: for(ch = 0; ch < 3; ch++) {
19178: if(!(val & 0x10) && !pit[ch].status_latched) {
19179: pit[ch].status = pit[ch].ctrl_reg & 0x3f;
19180: pit[ch].status_latched = 1;
19181: }
19182: if(!(val & 0x20) && !pit[ch].count_latched) {
19183: pit_latch_count(ch);
19184: }
19185: }
19186: break;
19187: }
19188: ch = (val >> 6) & 3;
19189: if(val & 0x30) {
1.1.1.35 root 19190: static const int modes[8] = {0, 1, 2, 3, 4, 5, 2, 3};
1.1 root 19191: pit[ch].mode = modes[(val >> 1) & 7];
19192: pit[ch].count_latched = 0;
19193: pit[ch].low_read = pit[ch].high_read = 0;
19194: pit[ch].low_write = pit[ch].high_write = 0;
19195: pit[ch].ctrl_reg = val;
19196: // stop count
1.1.1.8 root 19197: pit[ch].prev_time = pit[ch].expired_time = 0;
1.1 root 19198: pit[ch].count_reg = 0;
19199: } else if(!pit[ch].count_latched) {
19200: pit_latch_count(ch);
19201: }
19202: break;
19203: }
19204: }
19205:
19206: UINT8 pit_read(int ch)
19207: {
1.1.1.8 root 19208: #ifndef PIT_ALWAYS_RUNNING
1.1 root 19209: if(!pit_active) {
19210: pit_active = 1;
19211: pit_init();
19212: }
1.1.1.8 root 19213: #endif
1.1 root 19214: switch(ch) {
19215: case 0:
19216: case 1:
19217: case 2:
19218: if(pit[ch].status_latched) {
19219: pit[ch].status_latched = 0;
19220: return(pit[ch].status);
19221: }
19222: // if not latched, through current count
19223: if(!pit[ch].count_latched) {
19224: if(!pit[ch].low_read && !pit[ch].high_read) {
19225: pit_latch_count(ch);
19226: }
19227: }
19228: // return latched count
19229: if(pit[ch].low_read) {
19230: pit[ch].low_read = 0;
19231: if(!pit[ch].high_read) {
19232: pit[ch].count_latched = 0;
19233: }
19234: return(pit[ch].latch & 0xff);
19235: } else if(pit[ch].high_read) {
19236: pit[ch].high_read = 0;
19237: pit[ch].count_latched = 0;
19238: return((pit[ch].latch >> 8) & 0xff);
19239: }
19240: }
19241: return(0xff);
19242: }
19243:
1.1.1.8 root 19244: int pit_run(int ch, UINT32 cur_time)
1.1 root 19245: {
1.1.1.8 root 19246: if(pit[ch].expired_time != 0 && cur_time >= pit[ch].expired_time) {
1.1 root 19247: pit[ch].count = PIT_COUNT_VALUE(ch);
1.1.1.8 root 19248: pit[ch].prev_time = pit[ch].expired_time;
19249: pit[ch].expired_time = pit[ch].prev_time + pit_get_expired_time(ch);
19250: if(cur_time >= pit[ch].expired_time) {
19251: pit[ch].prev_time = cur_time;
19252: pit[ch].expired_time = pit[ch].prev_time + pit_get_expired_time(ch);
1.1 root 19253: }
1.1.1.8 root 19254: return(1);
1.1 root 19255: }
1.1.1.8 root 19256: return(0);
1.1 root 19257: }
19258:
19259: void pit_latch_count(int ch)
19260: {
1.1.1.8 root 19261: if(pit[ch].expired_time != 0) {
1.1.1.26 root 19262: UINT32 cur_time = timeGetTime();
1.1.1.8 root 19263: pit_run(ch, cur_time);
19264: UINT32 tmp = (pit[ch].count * (pit[ch].expired_time - cur_time)) / (pit[ch].expired_time - pit[ch].prev_time);
1.1.1.26 root 19265: UINT16 latch = (tmp != 0) ? (UINT16)tmp : 1;
19266:
19267: if(pit[ch].prev_latch == latch && pit[ch].expired_time > cur_time) {
19268: // decrement counter in 1msec period
19269: if(pit[ch].next_latch == 0) {
19270: tmp = (pit[ch].count * (pit[ch].expired_time - cur_time - 1)) / (pit[ch].expired_time - pit[ch].prev_time);
19271: pit[ch].next_latch = (tmp != 0) ? (UINT16)tmp : 1;
19272: }
19273: if(pit[ch].latch > pit[ch].next_latch) {
19274: pit[ch].latch--;
19275: }
19276: } else {
19277: pit[ch].prev_latch = pit[ch].latch = latch;
19278: pit[ch].next_latch = 0;
19279: }
1.1.1.8 root 19280: } else {
19281: pit[ch].latch = (UINT16)pit[ch].count;
1.1.1.26 root 19282: pit[ch].prev_latch = pit[ch].next_latch = 0;
1.1 root 19283: }
19284: pit[ch].count_latched = 1;
19285: if((pit[ch].ctrl_reg & 0x30) == 0x10) {
19286: // lower byte
19287: pit[ch].low_read = 1;
19288: pit[ch].high_read = 0;
19289: } else if((pit[ch].ctrl_reg & 0x30) == 0x20) {
19290: // upper byte
19291: pit[ch].low_read = 0;
19292: pit[ch].high_read = 1;
19293: } else {
19294: // lower -> upper
1.1.1.14 root 19295: pit[ch].low_read = pit[ch].high_read = 1;
1.1 root 19296: }
19297: }
19298:
1.1.1.8 root 19299: int pit_get_expired_time(int ch)
1.1 root 19300: {
1.1.1.22 root 19301: pit[ch].accum += 1024ULL * 1000ULL * (UINT64)pit[ch].count / PIT_FREQ;
19302: UINT64 val = pit[ch].accum >> 10;
19303: pit[ch].accum -= val << 10;
19304: return((val != 0) ? val : 1);
1.1.1.8 root 19305: }
19306:
1.1.1.25 root 19307: // sio
19308:
19309: void sio_init()
19310: {
1.1.1.26 root 19311: memset(sio, 0, sizeof(sio));
19312: memset(sio_mt, 0, sizeof(sio_mt));
19313:
1.1.1.29 root 19314: for(int c = 0; c < 4; c++) {
1.1.1.25 root 19315: sio[c].send_buffer = new FIFO(SIO_BUFFER_SIZE);
19316: sio[c].recv_buffer = new FIFO(SIO_BUFFER_SIZE);
19317:
19318: sio[c].divisor.w = 12; // 115200Hz / 9600Baud
19319: sio[c].line_ctrl = 0x03; // 8bit, stop 1bit, non parity
1.1.1.26 root 19320: sio[c].modem_ctrl = 0x03; // rts=on, dtr=on
19321: sio[c].set_rts = sio[c].set_dtr = true;
1.1.1.25 root 19322: sio[c].line_stat_buf = 0x60; // send/recv buffers are empty
19323: sio[c].irq_identify = 0x01; // no pending irq
19324:
19325: InitializeCriticalSection(&sio_mt[c].csSendData);
19326: InitializeCriticalSection(&sio_mt[c].csRecvData);
19327: InitializeCriticalSection(&sio_mt[c].csLineCtrl);
19328: InitializeCriticalSection(&sio_mt[c].csLineStat);
19329: InitializeCriticalSection(&sio_mt[c].csModemCtrl);
19330: InitializeCriticalSection(&sio_mt[c].csModemStat);
19331:
1.1.1.26 root 19332: if(sio_port_number[c] != 0) {
1.1.1.25 root 19333: sio[c].channel = c;
19334: sio_mt[c].hThread = CreateThread(NULL, 0, sio_thread, &sio[c], 0, NULL);
19335: }
19336: }
19337: }
19338:
19339: void sio_finish()
19340: {
1.1.1.29 root 19341: for(int c = 0; c < 4; c++) {
1.1.1.25 root 19342: if(sio_mt[c].hThread != NULL) {
19343: WaitForSingleObject(sio_mt[c].hThread, INFINITE);
19344: CloseHandle(sio_mt[c].hThread);
1.1.1.28 root 19345: sio_mt[c].hThread = NULL;
1.1.1.25 root 19346: }
19347: DeleteCriticalSection(&sio_mt[c].csSendData);
19348: DeleteCriticalSection(&sio_mt[c].csRecvData);
19349: DeleteCriticalSection(&sio_mt[c].csLineCtrl);
19350: DeleteCriticalSection(&sio_mt[c].csLineStat);
19351: DeleteCriticalSection(&sio_mt[c].csModemCtrl);
19352: DeleteCriticalSection(&sio_mt[c].csModemStat);
1.1.1.28 root 19353: }
19354: sio_release();
19355: }
19356:
19357: void sio_release()
19358: {
1.1.1.29 root 19359: for(int c = 0; c < 4; c++) {
1.1.1.28 root 19360: // sio_thread() may access the resources :-(
1.1.1.32 root 19361: bool running = (sio_mt[c].hThread != NULL);
19362:
19363: if(running) {
19364: EnterCriticalSection(&sio_mt[c].csSendData);
19365: }
19366: if(sio[c].send_buffer != NULL) {
19367: sio[c].send_buffer->release();
19368: delete sio[c].send_buffer;
19369: sio[c].send_buffer = NULL;
19370: }
19371: if(running) {
19372: LeaveCriticalSection(&sio_mt[c].csSendData);
19373: EnterCriticalSection(&sio_mt[c].csRecvData);
19374: }
19375: if(sio[c].recv_buffer != NULL) {
19376: sio[c].recv_buffer->release();
19377: delete sio[c].recv_buffer;
19378: sio[c].recv_buffer = NULL;
19379: }
19380: if(running) {
19381: LeaveCriticalSection(&sio_mt[c].csRecvData);
1.1.1.28 root 19382: }
1.1.1.25 root 19383: }
19384: }
19385:
19386: void sio_write(int c, UINT32 addr, UINT8 data)
19387: {
19388: switch(addr & 7) {
19389: case 0:
19390: if(sio[c].selector & 0x80) {
19391: if(sio[c].divisor.b.l != data) {
19392: EnterCriticalSection(&sio_mt[c].csLineCtrl);
19393: sio[c].divisor.b.l = data;
19394: LeaveCriticalSection(&sio_mt[c].csLineCtrl);
19395: }
19396: } else {
19397: EnterCriticalSection(&sio_mt[c].csSendData);
1.1.1.32 root 19398: if(sio[c].send_buffer != NULL) {
19399: sio[c].send_buffer->write(data);
19400: }
1.1.1.25 root 19401: // transmitter holding/shift registers are not empty
19402: sio[c].line_stat_buf &= ~0x60;
19403: LeaveCriticalSection(&sio_mt[c].csSendData);
19404:
19405: if(sio[c].irq_enable & 0x02) {
19406: sio_update_irq(c);
19407: }
19408: }
19409: break;
19410: case 1:
19411: if(sio[c].selector & 0x80) {
19412: if(sio[c].divisor.b.h != data) {
19413: EnterCriticalSection(&sio_mt[c].csLineCtrl);
19414: sio[c].divisor.b.h = data;
19415: LeaveCriticalSection(&sio_mt[c].csLineCtrl);
19416: }
19417: } else {
19418: if(sio[c].irq_enable != data) {
19419: sio[c].irq_enable = data;
19420: sio_update_irq(c);
19421: }
19422: }
19423: break;
19424: case 3:
19425: {
19426: UINT8 line_ctrl = data & 0x3f;
19427: bool set_brk = ((data & 0x40) != 0);
19428:
19429: if(sio[c].line_ctrl != line_ctrl) {
19430: EnterCriticalSection(&sio_mt[c].csLineCtrl);
19431: sio[c].line_ctrl = line_ctrl;
19432: LeaveCriticalSection(&sio_mt[c].csLineCtrl);
19433: }
19434: if(sio[c].set_brk != set_brk) {
19435: EnterCriticalSection(&sio_mt[c].csModemCtrl);
19436: sio[c].set_brk = set_brk;
19437: LeaveCriticalSection(&sio_mt[c].csModemCtrl);
19438: }
19439: }
19440: sio[c].selector = data;
19441: break;
19442: case 4:
19443: {
19444: bool set_dtr = ((data & 0x01) != 0);
19445: bool set_rts = ((data & 0x02) != 0);
19446:
19447: if(sio[c].set_dtr != set_dtr || sio[c].set_rts != set_rts) {
1.1.1.26 root 19448: // EnterCriticalSection(&sio_mt[c].csModemCtrl);
1.1.1.25 root 19449: sio[c].set_dtr = set_dtr;
19450: sio[c].set_rts = set_rts;
1.1.1.26 root 19451: // LeaveCriticalSection(&sio_mt[c].csModemCtrl);
19452:
19453: bool state_changed = false;
19454:
19455: EnterCriticalSection(&sio_mt[c].csModemStat);
19456: if(set_dtr) {
19457: sio[c].modem_stat |= 0x20; // dsr on
19458: } else {
19459: sio[c].modem_stat &= ~0x20; // dsr off
19460: }
19461: if(set_rts) {
19462: sio[c].modem_stat |= 0x10; // cts on
19463: } else {
19464: sio[c].modem_stat &= ~0x10; // cts off
19465: }
19466: if((sio[c].prev_modem_stat & 0x20) != (sio[c].modem_stat & 0x20)) {
19467: if(!(sio[c].modem_stat & 0x02)) {
19468: if(sio[c].irq_enable & 0x08) {
19469: state_changed = true;
19470: }
19471: sio[c].modem_stat |= 0x02;
19472: }
19473: }
19474: if((sio[c].prev_modem_stat & 0x10) != (sio[c].modem_stat & 0x10)) {
19475: if(!(sio[c].modem_stat & 0x01)) {
19476: if(sio[c].irq_enable & 0x08) {
19477: state_changed = true;
19478: }
19479: sio[c].modem_stat |= 0x01;
19480: }
19481: }
19482: LeaveCriticalSection(&sio_mt[c].csModemStat);
19483:
19484: if(state_changed) {
19485: sio_update_irq(c);
19486: }
1.1.1.25 root 19487: }
19488: }
19489: sio[c].modem_ctrl = data;
19490: break;
19491: case 7:
19492: sio[c].scratch = data;
19493: break;
19494: }
19495: }
19496:
19497: UINT8 sio_read(int c, UINT32 addr)
19498: {
19499: switch(addr & 7) {
19500: case 0:
19501: if(sio[c].selector & 0x80) {
19502: return(sio[c].divisor.b.l);
19503: } else {
19504: EnterCriticalSection(&sio_mt[c].csRecvData);
1.1.1.32 root 19505: UINT8 data = 0;
19506: if(sio[c].recv_buffer != NULL) {
19507: data = sio[c].recv_buffer->read();
19508: }
1.1.1.25 root 19509: // data is not ready
19510: sio[c].line_stat_buf &= ~0x01;
19511: LeaveCriticalSection(&sio_mt[c].csRecvData);
19512:
19513: if(sio[c].irq_enable & 0x01) {
19514: sio_update_irq(c);
19515: }
19516: return(data);
19517: }
19518: case 1:
19519: if(sio[c].selector & 0x80) {
19520: return(sio[c].divisor.b.h);
19521: } else {
19522: return(sio[c].irq_enable);
19523: }
19524: case 2:
19525: return(sio[c].irq_identify);
19526: case 3:
19527: return(sio[c].selector);
19528: case 4:
19529: return(sio[c].modem_ctrl);
19530: case 5:
19531: {
19532: EnterCriticalSection(&sio_mt[c].csLineStat);
19533: UINT8 val = sio[c].line_stat_err | sio[c].line_stat_buf;
19534: sio[c].line_stat_err = 0x00;
19535: LeaveCriticalSection(&sio_mt[c].csLineStat);
19536:
19537: bool state_changed = false;
19538:
19539: if((sio[c].line_stat_buf & 0x60) == 0x00) {
19540: EnterCriticalSection(&sio_mt[c].csSendData);
1.1.1.32 root 19541: if(sio[c].send_buffer != NULL && !sio[c].send_buffer->full()) {
1.1.1.25 root 19542: // transmitter holding register will be empty first
19543: if(sio[c].irq_enable & 0x02) {
19544: state_changed = true;
19545: }
19546: sio[c].line_stat_buf |= 0x20;
19547: }
19548: LeaveCriticalSection(&sio_mt[c].csSendData);
19549: } else if((sio[c].line_stat_buf & 0x60) == 0x20) {
19550: // transmitter shift register will be empty later
19551: sio[c].line_stat_buf |= 0x40;
19552: }
19553: if(!(sio[c].line_stat_buf & 0x01)) {
19554: EnterCriticalSection(&sio_mt[c].csRecvData);
1.1.1.32 root 19555: if(sio[c].recv_buffer != NULL && !sio[c].recv_buffer->empty()) {
1.1.1.25 root 19556: // data is ready
19557: if(sio[c].irq_enable & 0x01) {
19558: state_changed = true;
19559: }
19560: sio[c].line_stat_buf |= 0x01;
19561: }
19562: LeaveCriticalSection(&sio_mt[c].csRecvData);
19563: }
19564: if(state_changed) {
19565: sio_update_irq(c);
19566: }
19567: return(val);
19568: }
19569: case 6:
19570: {
19571: EnterCriticalSection(&sio_mt[c].csModemStat);
19572: UINT8 val = sio[c].modem_stat;
19573: sio[c].modem_stat &= 0xf0;
19574: sio[c].prev_modem_stat = sio[c].modem_stat;
19575: LeaveCriticalSection(&sio_mt[c].csModemStat);
19576:
19577: if(sio[c].modem_ctrl & 0x10) {
19578: // loop-back
19579: val &= 0x0f;
19580: val |= (sio[c].modem_ctrl & 0x0c) << 4;
19581: val |= (sio[c].modem_ctrl & 0x01) << 5;
19582: val |= (sio[c].modem_ctrl & 0x02) << 3;
19583: }
19584: return(val);
19585: }
19586: case 7:
19587: return(sio[c].scratch);
19588: }
19589: return(0xff);
19590: }
19591:
19592: void sio_update(int c)
19593: {
19594: if((sio[c].line_stat_buf & 0x60) == 0x00) {
19595: EnterCriticalSection(&sio_mt[c].csSendData);
1.1.1.32 root 19596: if(sio[c].send_buffer != NULL && !sio[c].send_buffer->full()) {
1.1.1.25 root 19597: // transmitter holding/shift registers will be empty
19598: sio[c].line_stat_buf |= 0x60;
19599: }
19600: LeaveCriticalSection(&sio_mt[c].csSendData);
19601: } else if((sio[c].line_stat_buf & 0x60) == 0x20) {
19602: // transmitter shift register will be empty
19603: sio[c].line_stat_buf |= 0x40;
19604: }
19605: if(!(sio[c].line_stat_buf & 0x01)) {
19606: EnterCriticalSection(&sio_mt[c].csRecvData);
1.1.1.32 root 19607: if(sio[c].recv_buffer != NULL && !sio[c].recv_buffer->empty()) {
1.1.1.25 root 19608: // data is ready
19609: sio[c].line_stat_buf |= 0x01;
19610: }
19611: LeaveCriticalSection(&sio_mt[c].csRecvData);
19612: }
19613: sio_update_irq(c);
19614: }
19615:
19616: void sio_update_irq(int c)
19617: {
19618: int level = -1;
19619:
19620: if(sio[c].irq_enable & 0x08) {
19621: EnterCriticalSection(&sio_mt[c].csModemStat);
19622: if((sio[c].modem_stat & 0x0f) != 0) {
19623: level = 0;
19624: }
19625: EnterCriticalSection(&sio_mt[c].csModemStat);
19626: }
19627: if(sio[c].irq_enable & 0x02) {
19628: if(sio[c].line_stat_buf & 0x20) {
19629: level = 1;
19630: }
19631: }
19632: if(sio[c].irq_enable & 0x01) {
19633: if(sio[c].line_stat_buf & 0x01) {
19634: level = 2;
19635: }
19636: }
19637: if(sio[c].irq_enable & 0x04) {
19638: EnterCriticalSection(&sio_mt[c].csLineStat);
19639: if(sio[c].line_stat_err != 0) {
19640: level = 3;
19641: }
19642: LeaveCriticalSection(&sio_mt[c].csLineStat);
19643: }
1.1.1.29 root 19644:
19645: // COM1 and COM3 shares IRQ4, COM2 and COM4 shares IRQ3
1.1.1.25 root 19646: if(level != -1) {
19647: sio[c].irq_identify = level << 1;
1.1.1.29 root 19648: pic_req(0, (c == 0 || c == 2) ? 4 : 3, 1);
1.1.1.25 root 19649: } else {
19650: sio[c].irq_identify = 1;
1.1.1.29 root 19651: pic_req(0, (c == 0 || c == 2) ? 4 : 3, 0);
1.1.1.25 root 19652: }
19653: }
19654:
19655: DWORD WINAPI sio_thread(void *lpx)
19656: {
19657: volatile sio_t *p = (sio_t *)lpx;
19658: sio_mt_t *q = &sio_mt[p->channel];
19659:
19660: char name[] = "COM1";
1.1.1.26 root 19661: name[3] = '0' + sio_port_number[p->channel];
19662: HANDLE hComm = NULL;
19663: COMMPROP commProp;
19664: DCB dcb;
19665: DWORD dwSettableBaud = 0xffb; // 75, 110, 150, 300, 600, 1200, 1800, 2400, 4800, 7200, and 9600bps
19666: BYTE bytBuffer[SIO_BUFFER_SIZE];
19667:
19668: if((hComm = CreateFile(name, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL)) != INVALID_HANDLE_VALUE) {
19669: if(GetCommProperties(hComm, &commProp)) {
19670: dwSettableBaud = commProp.dwSettableBaud;
19671: }
1.1.1.25 root 19672: EscapeCommFunction(hComm, CLRBREAK);
1.1.1.26 root 19673: // EscapeCommFunction(hComm, SETRTS);
19674: // EscapeCommFunction(hComm, SETDTR);
1.1.1.25 root 19675:
1.1.1.54 root 19676: while(!m_exit) {
1.1.1.25 root 19677: // setup comm port
19678: bool comm_state_changed = false;
19679:
19680: EnterCriticalSection(&q->csLineCtrl);
19681: if((p->prev_divisor != p->divisor.w || p->prev_line_ctrl != p->line_ctrl) && p->divisor.w != 0) {
19682: p->prev_divisor = p->divisor.w;
19683: p->prev_line_ctrl = p->line_ctrl;
19684: comm_state_changed = true;
19685: }
19686: LeaveCriticalSection(&q->csLineCtrl);
19687:
19688: if(comm_state_changed) {
1.1.1.26 root 19689: if(GetCommState(hComm, &dcb)) {
19690: // dcb.BaudRate = min(9600, 115200 / p->prev_divisor);
19691: DWORD baud = 115200 / p->prev_divisor;
19692: dcb.BaudRate = 9600; // default
19693:
19694: if((dwSettableBaud & BAUD_075 ) && baud >= 75 ) dcb.BaudRate = 75;
19695: if((dwSettableBaud & BAUD_110 ) && baud >= 110 ) dcb.BaudRate = 110;
19696: // 134.5bps is not supported ???
19697: // if((dwSettableBaud & BAUD_134_5) && baud >= 134.5) dcb.BaudRate = 134.5;
19698: if((dwSettableBaud & BAUD_150 ) && baud >= 150 ) dcb.BaudRate = 150;
19699: if((dwSettableBaud & BAUD_300 ) && baud >= 300 ) dcb.BaudRate = 300;
19700: if((dwSettableBaud & BAUD_600 ) && baud >= 600 ) dcb.BaudRate = 600;
19701: if((dwSettableBaud & BAUD_1200 ) && baud >= 1200 ) dcb.BaudRate = 1200;
19702: if((dwSettableBaud & BAUD_1800 ) && baud >= 1800 ) dcb.BaudRate = 1800;
19703: if((dwSettableBaud & BAUD_2400 ) && baud >= 2400 ) dcb.BaudRate = 2400;
19704: if((dwSettableBaud & BAUD_4800 ) && baud >= 4800 ) dcb.BaudRate = 4800;
19705: if((dwSettableBaud & BAUD_7200 ) && baud >= 7200 ) dcb.BaudRate = 7200;
19706: if((dwSettableBaud & BAUD_9600 ) && baud >= 9600 ) dcb.BaudRate = 9600;
19707: // if((dwSettableBaud & BAUD_14400) && baud >= 14400) dcb.BaudRate = 14400;
19708: // if((dwSettableBaud & BAUD_19200) && baud >= 19200) dcb.BaudRate = 19200;
19709: // if((dwSettableBaud & BAUD_38400) && baud >= 38400) dcb.BaudRate = 38400;
19710:
19711: switch(p->prev_line_ctrl & 0x03) {
19712: case 0x00: dcb.ByteSize = 5; break;
19713: case 0x01: dcb.ByteSize = 6; break;
19714: case 0x02: dcb.ByteSize = 7; break;
19715: case 0x03: dcb.ByteSize = 8; break;
19716: }
19717: switch(p->prev_line_ctrl & 0x04) {
19718: case 0x00: dcb.StopBits = ONESTOPBIT; break;
19719: case 0x04: dcb.StopBits = (dcb.ByteSize == 5) ? ONE5STOPBITS : TWOSTOPBITS; break;
19720: }
19721: switch(p->prev_line_ctrl & 0x38) {
19722: case 0x08: dcb.Parity = ODDPARITY; break;
19723: case 0x18: dcb.Parity = EVENPARITY; break;
19724: case 0x28: dcb.Parity = MARKPARITY; break;
19725: case 0x38: dcb.Parity = SPACEPARITY; break;
19726: default: dcb.Parity = NOPARITY; break;
19727: }
19728: dcb.fBinary = TRUE;
19729: dcb.fParity = (dcb.Parity != NOPARITY);
19730: dcb.fOutxCtsFlow = dcb.fOutxDsrFlow = TRUE;
19731: dcb.fDtrControl = DTR_CONTROL_HANDSHAKE;
19732: dcb.fDsrSensitivity = FALSE;//TRUE;
19733: dcb.fTXContinueOnXoff = TRUE;
19734: dcb.fOutX = dcb.fInX = FALSE;
19735: dcb.fErrorChar = FALSE;
19736: dcb.fNull = FALSE;
19737: dcb.fRtsControl = RTS_CONTROL_HANDSHAKE;
19738: dcb.fAbortOnError = FALSE;
19739:
19740: SetCommState(hComm, &dcb);
1.1.1.25 root 19741: }
19742:
19743: // check again to apply all comm state changes
19744: Sleep(10);
19745: continue;
19746: }
19747:
19748: // set comm pins
19749: bool change_brk = false;
1.1.1.26 root 19750: // bool change_rts = false;
19751: // bool change_dtr = false;
1.1.1.25 root 19752:
19753: EnterCriticalSection(&q->csModemCtrl);
19754: if(p->prev_set_brk != p->set_brk) {
19755: p->prev_set_brk = p->set_brk;
19756: change_brk = true;
19757: }
1.1.1.26 root 19758: // if(p->prev_set_rts != p->set_rts) {
19759: // p->prev_set_rts = p->set_rts;
19760: // change_rts = true;
19761: // }
19762: // if(p->prev_set_dtr != p->set_dtr) {
19763: // p->prev_set_dtr = p->set_dtr;
19764: // change_dtr = true;
19765: // }
1.1.1.25 root 19766: LeaveCriticalSection(&q->csModemCtrl);
19767:
19768: if(change_brk) {
1.1.1.26 root 19769: static UINT32 clear_time = 0;
19770: if(p->prev_set_brk) {
19771: EscapeCommFunction(hComm, SETBREAK);
19772: clear_time = timeGetTime() + 200;
19773: } else {
19774: // keep break for at least 200msec
19775: UINT32 cur_time = timeGetTime();
19776: if(clear_time > cur_time) {
19777: Sleep(clear_time - cur_time);
19778: }
19779: EscapeCommFunction(hComm, CLRBREAK);
19780: }
1.1.1.25 root 19781: }
1.1.1.26 root 19782: // if(change_rts) {
19783: // if(p->prev_set_rts) {
19784: // EscapeCommFunction(hComm, SETRTS);
19785: // } else {
19786: // EscapeCommFunction(hComm, CLRRTS);
19787: // }
19788: // }
19789: // if(change_dtr) {
19790: // if(p->prev_set_dtr) {
19791: // EscapeCommFunction(hComm, SETDTR);
19792: // } else {
19793: // EscapeCommFunction(hComm, CLRDTR);
19794: // }
19795: // }
1.1.1.25 root 19796:
19797: // get comm pins
19798: DWORD dwModemStat = 0;
19799:
19800: if(GetCommModemStatus(hComm, &dwModemStat)) {
19801: EnterCriticalSection(&q->csModemStat);
19802: if(dwModemStat & MS_RLSD_ON) {
19803: p->modem_stat |= 0x80;
19804: } else {
19805: p->modem_stat &= ~0x80;
19806: }
19807: if(dwModemStat & MS_RING_ON) {
19808: p->modem_stat |= 0x40;
19809: } else {
19810: p->modem_stat &= ~0x40;
19811: }
1.1.1.26 root 19812: // if(dwModemStat & MS_DSR_ON) {
19813: // p->modem_stat |= 0x20;
19814: // } else {
19815: // p->modem_stat &= ~0x20;
19816: // }
19817: // if(dwModemStat & MS_CTS_ON) {
19818: // p->modem_stat |= 0x10;
19819: // } else {
19820: // p->modem_stat &= ~0x10;
19821: // }
1.1.1.25 root 19822: if((p->prev_modem_stat & 0x80) != (p->modem_stat & 0x80)) {
19823: p->modem_stat |= 0x08;
19824: }
19825: if((p->prev_modem_stat & 0x40) && !(p->modem_stat & 0x40)) {
19826: p->modem_stat |= 0x04;
19827: }
1.1.1.26 root 19828: // if((p->prev_modem_stat & 0x20) != (p->modem_stat & 0x20)) {
19829: // p->modem_stat |= 0x02;
19830: // }
19831: // if((p->prev_modem_stat & 0x10) != (p->modem_stat & 0x10)) {
19832: // p->modem_stat |= 0x01;
19833: // }
1.1.1.25 root 19834: LeaveCriticalSection(&q->csModemStat);
19835: }
19836:
19837: // send data
19838: DWORD dwSend = 0;
19839:
19840: EnterCriticalSection(&q->csSendData);
1.1.1.32 root 19841: while(p->send_buffer != NULL && !p->send_buffer->empty()) {
1.1.1.25 root 19842: bytBuffer[dwSend++] = p->send_buffer->read();
19843: }
19844: LeaveCriticalSection(&q->csSendData);
19845:
19846: if(dwSend != 0) {
19847: DWORD dwWritten = 0;
19848: WriteFile(hComm, bytBuffer, dwSend, &dwWritten, NULL);
19849: }
19850:
19851: // get line status and recv data
19852: DWORD dwLineStat = 0;
19853: COMSTAT comStat;
19854:
19855: if(ClearCommError(hComm, &dwLineStat, &comStat)) {
19856: EnterCriticalSection(&q->csLineStat);
19857: if(dwLineStat & CE_BREAK) {
19858: p->line_stat_err |= 0x10;
19859: }
19860: if(dwLineStat & CE_FRAME) {
19861: p->line_stat_err |= 0x08;
19862: }
19863: if(dwLineStat & CE_RXPARITY) {
19864: p->line_stat_err |= 0x04;
19865: }
19866: if(dwLineStat & CE_OVERRUN) {
19867: p->line_stat_err |= 0x02;
19868: }
19869: LeaveCriticalSection(&q->csLineStat);
19870:
19871: if(comStat.cbInQue != 0) {
19872: EnterCriticalSection(&q->csRecvData);
1.1.1.32 root 19873: DWORD dwRecv = 0;
19874: if(p->recv_buffer != NULL) {
19875: dwRecv = min(comStat.cbInQue, p->recv_buffer->remain());
19876: }
1.1.1.25 root 19877: LeaveCriticalSection(&q->csRecvData);
19878:
19879: if(dwRecv != 0) {
19880: DWORD dwRead = 0;
19881: if(ReadFile(hComm, bytBuffer, dwRecv, &dwRead, NULL) && dwRead != 0) {
19882: EnterCriticalSection(&q->csRecvData);
1.1.1.32 root 19883: if(p->recv_buffer != NULL) {
19884: for(int i = 0; i < dwRead; i++) {
19885: p->recv_buffer->write(bytBuffer[i]);
19886: }
1.1.1.25 root 19887: }
19888: LeaveCriticalSection(&q->csRecvData);
19889: }
19890: }
19891: }
19892: }
19893: Sleep(10);
19894: }
19895: CloseHandle(hComm);
19896: }
19897: return 0;
19898: }
19899:
1.1.1.8 root 19900: // cmos
19901:
19902: void cmos_init()
19903: {
19904: memset(cmos, 0, sizeof(cmos));
19905: cmos_addr = 0;
1.1 root 19906:
1.1.1.8 root 19907: // from DOSBox
19908: cmos_write(0x0a, 0x26);
19909: cmos_write(0x0b, 0x02);
19910: cmos_write(0x0d, 0x80);
1.1 root 19911: }
19912:
1.1.1.8 root 19913: void cmos_write(int addr, UINT8 val)
1.1 root 19914: {
1.1.1.8 root 19915: cmos[addr & 0x7f] = val;
19916: }
19917:
19918: #define CMOS_GET_TIME() { \
19919: UINT32 cur_sec = timeGetTime() / 1000 ; \
19920: if(prev_sec != cur_sec) { \
19921: GetLocalTime(&time); \
19922: prev_sec = cur_sec; \
19923: } \
1.1 root 19924: }
1.1.1.8 root 19925: #define CMOS_BCD(v) ((cmos[0x0b] & 4) ? (v) : to_bcd(v))
1.1 root 19926:
1.1.1.8 root 19927: UINT8 cmos_read(int addr)
1.1 root 19928: {
1.1.1.8 root 19929: static SYSTEMTIME time;
19930: static UINT32 prev_sec = 0;
1.1 root 19931:
1.1.1.8 root 19932: switch(addr & 0x7f) {
19933: case 0x00: CMOS_GET_TIME(); return(CMOS_BCD(time.wSecond));
19934: case 0x02: CMOS_GET_TIME(); return(CMOS_BCD(time.wMinute));
19935: case 0x04: CMOS_GET_TIME(); return(CMOS_BCD(time.wHour));
19936: case 0x06: CMOS_GET_TIME(); return(time.wDayOfWeek + 1);
19937: case 0x07: CMOS_GET_TIME(); return(CMOS_BCD(time.wDay));
19938: case 0x08: CMOS_GET_TIME(); return(CMOS_BCD(time.wMonth));
19939: case 0x09: CMOS_GET_TIME(); return(CMOS_BCD(time.wYear));
19940: // case 0x0a: return((cmos[0x0a] & 0x7f) | ((timeGetTime() % 1000) < 2 ? 0x80 : 0)); // 2msec
19941: case 0x0a: return((cmos[0x0a] & 0x7f) | ((timeGetTime() % 1000) < 20 ? 0x80 : 0)); // precision of timeGetTime() may not be 1msec
19942: case 0x15: return((MEMORY_END >> 10) & 0xff);
19943: case 0x16: return((MEMORY_END >> 18) & 0xff);
19944: case 0x17: return(((MAX_MEM - 0x100000) >> 10) & 0xff);
19945: case 0x18: return(((MAX_MEM - 0x100000) >> 18) & 0xff);
19946: case 0x30: return(((MAX_MEM - 0x100000) >> 10) & 0xff);
19947: case 0x31: return(((MAX_MEM - 0x100000) >> 18) & 0xff);
19948: case 0x32: CMOS_GET_TIME(); return(CMOS_BCD(time.wYear / 100));
1.1 root 19949: }
1.1.1.8 root 19950: return(cmos[addr & 0x7f]);
1.1 root 19951: }
19952:
1.1.1.7 root 19953: // kbd (a20)
19954:
19955: void kbd_init()
19956: {
1.1.1.8 root 19957: kbd_data = kbd_command = 0;
1.1.1.7 root 19958: kbd_status = 0x18;
19959: }
19960:
19961: UINT8 kbd_read_data()
19962: {
1.1.1.8 root 19963: kbd_status &= ~1;
1.1.1.7 root 19964: return(kbd_data);
19965: }
19966:
19967: void kbd_write_data(UINT8 val)
19968: {
19969: switch(kbd_command) {
19970: case 0xd1:
19971: i386_set_a20_line((val >> 1) & 1);
19972: break;
19973: }
19974: kbd_command = 0;
1.1.1.8 root 19975: kbd_status &= ~8;
1.1.1.7 root 19976: }
19977:
19978: UINT8 kbd_read_status()
19979: {
19980: return(kbd_status);
19981: }
19982:
19983: void kbd_write_command(UINT8 val)
19984: {
19985: switch(val) {
19986: case 0xd0:
19987: kbd_data = ((m_a20_mask >> 19) & 2) | 1;
1.1.1.8 root 19988: kbd_status |= 1;
1.1.1.7 root 19989: break;
19990: case 0xdd:
19991: i386_set_a20_line(0);
19992: break;
19993: case 0xdf:
19994: i386_set_a20_line(1);
19995: break;
1.1.1.26 root 19996: case 0xf0: case 0xf1: case 0xf2: case 0xf3: case 0xf4: case 0xf5: case 0xf6: case 0xf7:
19997: case 0xf8: case 0xf9: case 0xfa: case 0xfb: case 0xfc: case 0xfd: case 0xfe: case 0xff:
1.1.1.7 root 19998: if(!(val & 1)) {
1.1.1.8 root 19999: if((cmos[0x0f] & 0x7f) == 5) {
1.1.1.7 root 20000: // reset pic
20001: pic_init();
20002: pic[0].irr = pic[1].irr = 0x00;
20003: pic[0].imr = pic[1].imr = 0xff;
20004: }
20005: CPU_RESET_CALL(CPU_MODEL);
1.1.1.40 root 20006: UINT16 address = *(UINT16 *)(mem + 0x467);
20007: UINT16 selector = *(UINT16 *)(mem + 0x469);
20008: i386_jmp_far(selector, address);
1.1.1.7 root 20009: }
20010: i386_set_a20_line((val >> 1) & 1);
20011: break;
20012: }
20013: kbd_command = val;
1.1.1.8 root 20014: kbd_status |= 8;
1.1.1.7 root 20015: }
20016:
1.1.1.9 root 20017: // vga
20018:
20019: UINT8 vga_read_status()
20020: {
20021: // 60hz
20022: static const int period[3] = {16, 17, 17};
20023: static int index = 0;
20024: UINT32 time = timeGetTime() % period[index];
20025:
20026: index = (index + 1) % 3;
1.1.1.14 root 20027: return((time < 4 ? 0x08 : 0) | (time == 0 ? 0 : 0x01));
1.1.1.9 root 20028: }
20029:
1.1 root 20030: // i/o bus
20031:
1.1.1.29 root 20032: // this is ugly patch for SW1US.EXE, it sometimes mistakely read/write 01h-10h for serial I/O
20033: //#define SW1US_PATCH
20034:
1.1.1.25 root 20035: UINT8 read_io_byte(offs_t addr)
1.1.1.33 root 20036: #ifdef USE_DEBUGGER
1.1.1.25 root 20037: {
1.1.1.33 root 20038: if(now_debugging) {
20039: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
20040: if(in_break_point.table[i].status == 1) {
20041: if(addr == in_break_point.table[i].addr) {
20042: in_break_point.hit = i + 1;
20043: now_suspended = true;
20044: break;
20045: }
20046: }
20047: }
1.1.1.25 root 20048: }
1.1.1.33 root 20049: return(debugger_read_io_byte(addr));
1.1.1.25 root 20050: }
1.1.1.33 root 20051: UINT8 debugger_read_io_byte(offs_t addr)
1.1.1.25 root 20052: #endif
1.1 root 20053: {
1.1.1.33 root 20054: UINT8 val = 0xff;
20055:
1.1 root 20056: switch(addr) {
1.1.1.29 root 20057: #ifdef SW1US_PATCH
20058: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07: case 0x08:
20059: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f: case 0x10:
1.1.1.33 root 20060: val = sio_read(0, addr - 1);
20061: break;
1.1.1.29 root 20062: #else
1.1.1.25 root 20063: case 0x00: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07:
20064: case 0x08: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f:
1.1.1.33 root 20065: val = dma_read(0, addr);
20066: break;
1.1.1.29 root 20067: #endif
1.1.1.25 root 20068: case 0x20: case 0x21:
1.1.1.33 root 20069: val = pic_read(0, addr);
20070: break;
1.1.1.25 root 20071: case 0x40: case 0x41: case 0x42: case 0x43:
1.1.1.33 root 20072: val = pit_read(addr & 0x03);
20073: break;
1.1.1.7 root 20074: case 0x60:
1.1.1.33 root 20075: val = kbd_read_data();
20076: break;
1.1.1.9 root 20077: case 0x61:
1.1.1.33 root 20078: val = system_port;
20079: break;
1.1.1.7 root 20080: case 0x64:
1.1.1.33 root 20081: val = kbd_read_status();
20082: break;
1.1 root 20083: case 0x71:
1.1.1.33 root 20084: val = cmos_read(cmos_addr);
20085: break;
1.1.1.25 root 20086: case 0x81:
1.1.1.33 root 20087: val = dma_page_read(0, 2);
20088: break;
1.1.1.25 root 20089: case 0x82:
1.1.1.33 root 20090: val = dma_page_read(0, 3);
20091: break;
1.1.1.25 root 20092: case 0x83:
1.1.1.33 root 20093: val = dma_page_read(0, 1);
20094: break;
1.1.1.25 root 20095: case 0x87:
1.1.1.33 root 20096: val = dma_page_read(0, 0);
20097: break;
1.1.1.25 root 20098: case 0x89:
1.1.1.33 root 20099: val = dma_page_read(1, 2);
20100: break;
1.1.1.25 root 20101: case 0x8a:
1.1.1.33 root 20102: val = dma_page_read(1, 3);
20103: break;
1.1.1.25 root 20104: case 0x8b:
1.1.1.33 root 20105: val = dma_page_read(1, 1);
20106: break;
1.1.1.25 root 20107: case 0x8f:
1.1.1.33 root 20108: val = dma_page_read(1, 0);
20109: break;
1.1 root 20110: case 0x92:
1.1.1.33 root 20111: val = (m_a20_mask >> 19) & 2;
20112: break;
1.1.1.25 root 20113: case 0xa0: case 0xa1:
1.1.1.33 root 20114: val = pic_read(1, addr);
20115: break;
1.1.1.25 root 20116: case 0xc0: case 0xc2: case 0xc4: case 0xc6: case 0xc8: case 0xca: case 0xcc: case 0xce:
20117: case 0xd0: case 0xd2: case 0xd4: case 0xd6: case 0xd8: case 0xda: case 0xdc: case 0xde:
1.1.1.33 root 20118: val = dma_read(1, (addr - 0xc0) >> 1);
20119: break;
1.1.1.37 root 20120: case 0x278: case 0x279: case 0x27a:
20121: val = pio_read(1, addr);
20122: break;
1.1.1.29 root 20123: case 0x2e8: case 0x2e9: case 0x2ea: case 0x2eb: case 0x2ec: case 0x2ed: case 0x2ee: case 0x2ef:
1.1.1.33 root 20124: val = sio_read(3, addr);
20125: break;
1.1.1.25 root 20126: case 0x2f8: case 0x2f9: case 0x2fa: case 0x2fb: case 0x2fc: case 0x2fd: case 0x2fe: case 0x2ff:
1.1.1.33 root 20127: val = sio_read(1, addr);
20128: break;
1.1.1.25 root 20129: case 0x378: case 0x379: case 0x37a:
1.1.1.33 root 20130: val = pio_read(0, addr);
20131: break;
1.1.1.25 root 20132: case 0x3ba: case 0x3da:
1.1.1.33 root 20133: val = vga_read_status();
20134: break;
1.1.1.37 root 20135: case 0x3bc: case 0x3bd: case 0x3be:
20136: val = pio_read(2, addr);
20137: break;
1.1.1.29 root 20138: case 0x3e8: case 0x3e9: case 0x3ea: case 0x3eb: case 0x3ec: case 0x3ed: case 0x3ee: case 0x3ef:
1.1.1.33 root 20139: val = sio_read(2, addr);
20140: break;
1.1.1.25 root 20141: case 0x3f8: case 0x3f9: case 0x3fa: case 0x3fb: case 0x3fc: case 0x3fd: case 0x3fe: case 0x3ff:
1.1.1.33 root 20142: val = sio_read(0, addr);
20143: break;
1.1 root 20144: default:
1.1.1.33 root 20145: // fatalerror("unknown inb %4x\n", addr);
1.1 root 20146: break;
20147: }
1.1.1.33 root 20148: #ifdef ENABLE_DEBUG_IOPORT
20149: if(fp_debug_log != NULL) {
20150: fprintf(fp_debug_log, "inb %04X, %02X\n", addr, val);
20151: }
20152: #endif
20153: return(val);
1.1 root 20154: }
20155:
20156: UINT16 read_io_word(offs_t addr)
20157: {
20158: return(read_io_byte(addr) | (read_io_byte(addr + 1) << 8));
20159: }
20160:
1.1.1.33 root 20161: #ifdef USE_DEBUGGER
20162: UINT16 debugger_read_io_word(offs_t addr)
20163: {
20164: return(debugger_read_io_byte(addr) | (debugger_read_io_byte(addr + 1) << 8));
20165: }
20166: #endif
20167:
1.1 root 20168: UINT32 read_io_dword(offs_t addr)
20169: {
20170: return(read_io_byte(addr) | (read_io_byte(addr + 1) << 8) | (read_io_byte(addr + 2) << 16) | (read_io_byte(addr + 3) << 24));
20171: }
20172:
1.1.1.33 root 20173: #ifdef USE_DEBUGGER
20174: UINT32 debugger_read_io_dword(offs_t addr)
20175: {
20176: return(debugger_read_io_byte(addr) | (debugger_read_io_byte(addr + 1) << 8) | (debugger_read_io_byte(addr + 2) << 16) | (debugger_read_io_byte(addr + 3) << 24));
20177: }
20178: #endif
20179:
1.1 root 20180: void write_io_byte(offs_t addr, UINT8 val)
1.1.1.33 root 20181: #ifdef USE_DEBUGGER
20182: {
20183: if(now_debugging) {
20184: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
20185: if(out_break_point.table[i].status == 1) {
20186: if(addr == out_break_point.table[i].addr) {
20187: out_break_point.hit = i + 1;
20188: now_suspended = true;
20189: break;
20190: }
20191: }
20192: }
20193: }
20194: debugger_write_io_byte(addr, val);
20195: }
20196: void debugger_write_io_byte(offs_t addr, UINT8 val)
20197: #endif
1.1 root 20198: {
1.1.1.25 root 20199: #ifdef ENABLE_DEBUG_IOPORT
1.1.1.33 root 20200: if(fp_debug_log != NULL) {
1.1.1.43 root 20201: #ifdef USE_SERVICE_THREAD
20202: if(addr != 0xf7)
20203: #endif
1.1.1.33 root 20204: fprintf(fp_debug_log, "outb %04X, %02X\n", addr, val);
1.1.1.25 root 20205: }
20206: #endif
1.1 root 20207: switch(addr) {
1.1.1.29 root 20208: #ifdef SW1US_PATCH
20209: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07: case 0x08:
20210: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f: case 0x10:
20211: sio_write(0, addr - 1, val);
20212: break;
20213: #else
1.1.1.25 root 20214: case 0x00: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07:
20215: case 0x08: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f:
20216: dma_write(0, addr, val);
20217: break;
1.1.1.29 root 20218: #endif
1.1.1.25 root 20219: case 0x20: case 0x21:
1.1 root 20220: pic_write(0, addr, val);
20221: break;
1.1.1.25 root 20222: case 0x40: case 0x41: case 0x42: case 0x43:
1.1 root 20223: pit_write(addr & 0x03, val);
20224: break;
1.1.1.7 root 20225: case 0x60:
20226: kbd_write_data(val);
20227: break;
1.1.1.9 root 20228: case 0x61:
20229: if((system_port & 3) != 3 && (val & 3) == 3) {
20230: // beep on
20231: // MessageBeep(-1);
20232: } else if((system_port & 3) == 3 && (val & 3) != 3) {
20233: // beep off
20234: }
20235: system_port = val;
20236: break;
1.1 root 20237: case 0x64:
1.1.1.7 root 20238: kbd_write_command(val);
1.1 root 20239: break;
20240: case 0x70:
20241: cmos_addr = val;
20242: break;
20243: case 0x71:
1.1.1.8 root 20244: cmos_write(cmos_addr, val);
1.1 root 20245: break;
1.1.1.25 root 20246: case 0x81:
20247: dma_page_write(0, 2, val);
20248: case 0x82:
20249: dma_page_write(0, 3, val);
20250: case 0x83:
20251: dma_page_write(0, 1, val);
20252: case 0x87:
20253: dma_page_write(0, 0, val);
20254: case 0x89:
20255: dma_page_write(1, 2, val);
20256: case 0x8a:
20257: dma_page_write(1, 3, val);
20258: case 0x8b:
20259: dma_page_write(1, 1, val);
20260: case 0x8f:
20261: dma_page_write(1, 0, val);
1.1 root 20262: case 0x92:
1.1.1.7 root 20263: i386_set_a20_line((val >> 1) & 1);
1.1 root 20264: break;
1.1.1.25 root 20265: case 0xa0: case 0xa1:
1.1 root 20266: pic_write(1, addr, val);
20267: break;
1.1.1.25 root 20268: case 0xc0: case 0xc2: case 0xc4: case 0xc6: case 0xc8: case 0xca: case 0xcc: case 0xce:
20269: case 0xd0: case 0xd2: case 0xd4: case 0xd6: case 0xd8: case 0xda: case 0xdc: case 0xde:
1.1.1.26 root 20270: dma_write(1, (addr - 0xc0) >> 1, val);
1.1.1.25 root 20271: break;
1.1.1.35 root 20272: #ifdef USE_SERVICE_THREAD
20273: case 0xf7:
20274: // dummy i/o for BIOS/DOS service
1.1.1.36 root 20275: if(in_service && cursor_moved) {
20276: // update cursor position before service is done
20277: pcbios_update_cursor_position();
20278: cursor_moved = false;
20279: }
1.1.1.35 root 20280: finish_service_loop();
20281: break;
20282: #endif
1.1.1.37 root 20283: case 0x278: case 0x279: case 0x27a:
20284: pio_write(1, addr, val);
20285: break;
1.1.1.29 root 20286: case 0x2e8: case 0x2e9: case 0x2ea: case 0x2eb: case 0x2ec: case 0x2ed: case 0x2ee: case 0x2ef:
20287: sio_write(3, addr, val);
20288: break;
1.1.1.25 root 20289: case 0x2f8: case 0x2f9: case 0x2fa: case 0x2fb: case 0x2fc: case 0x2fd: case 0x2fe: case 0x2ff:
20290: sio_write(1, addr, val);
20291: break;
20292: case 0x378: case 0x379: case 0x37a:
20293: pio_write(0, addr, val);
20294: break;
1.1.1.37 root 20295: case 0x3bc: case 0x3bd: case 0x3be:
20296: pio_write(2, addr, val);
20297: break;
1.1.1.29 root 20298: case 0x3e8: case 0x3e9: case 0x3ea: case 0x3eb: case 0x3ec: case 0x3ed: case 0x3ee: case 0x3ef:
20299: sio_write(2, addr, val);
20300: break;
1.1.1.25 root 20301: case 0x3f8: case 0x3f9: case 0x3fa: case 0x3fb: case 0x3fc: case 0x3fd: case 0x3fe: case 0x3ff:
20302: sio_write(0, addr, val);
20303: break;
1.1 root 20304: default:
1.1.1.33 root 20305: // fatalerror("unknown outb %4x,%2x\n", addr, val);
1.1 root 20306: break;
20307: }
20308: }
20309:
20310: void write_io_word(offs_t addr, UINT16 val)
20311: {
20312: write_io_byte(addr + 0, (val >> 0) & 0xff);
20313: write_io_byte(addr + 1, (val >> 8) & 0xff);
20314: }
20315:
1.1.1.33 root 20316: #ifdef USE_DEBUGGER
20317: void debugger_write_io_word(offs_t addr, UINT16 val)
20318: {
20319: debugger_write_io_byte(addr + 0, (val >> 0) & 0xff);
20320: debugger_write_io_byte(addr + 1, (val >> 8) & 0xff);
20321: }
20322: #endif
20323:
1.1 root 20324: void write_io_dword(offs_t addr, UINT32 val)
20325: {
20326: write_io_byte(addr + 0, (val >> 0) & 0xff);
20327: write_io_byte(addr + 1, (val >> 8) & 0xff);
20328: write_io_byte(addr + 2, (val >> 16) & 0xff);
20329: write_io_byte(addr + 3, (val >> 24) & 0xff);
20330: }
1.1.1.33 root 20331:
20332: #ifdef USE_DEBUGGER
20333: void debugger_write_io_dword(offs_t addr, UINT32 val)
20334: {
20335: debugger_write_io_byte(addr + 0, (val >> 0) & 0xff);
20336: debugger_write_io_byte(addr + 1, (val >> 8) & 0xff);
20337: debugger_write_io_byte(addr + 2, (val >> 16) & 0xff);
20338: debugger_write_io_byte(addr + 3, (val >> 24) & 0xff);
20339: }
20340: #endif
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.