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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
1.1.1.51 root 380: bool empty = key_buf_char->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:
1.1.1.52 root 895: process_t *msdos_process_info_get(UINT16 psp_seg, bool show_error = true);
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:
1.1.1.27 root 2365: void get_sio_port_numbers()
2366: {
2367: SP_DEVINFO_DATA DeviceInfoData = {sizeof(SP_DEVINFO_DATA)};
2368: HDEVINFO hDevInfo = 0;
2369: HKEY hKey = 0;
2370: if((hDevInfo = SetupDiGetClassDevs(&GUID_DEVINTERFACE_COMPORT, NULL, NULL, (DIGCF_PRESENT | DIGCF_DEVICEINTERFACE))) != 0) {
2371: for(int i = 0; SetupDiEnumDeviceInfo(hDevInfo, i, &DeviceInfoData); i++) {
2372: if((hKey = SetupDiOpenDevRegKey(hDevInfo, &DeviceInfoData, DICS_FLAG_GLOBAL, 0, DIREG_DEV, KEY_QUERY_VALUE)) != INVALID_HANDLE_VALUE) {
2373: char chData[256];
2374: DWORD dwType = 0;
2375: DWORD dwSize = sizeof(chData);
2376: int port_number = 0;
2377:
2378: if(RegQueryValueEx(hKey, _T("PortName"), NULL, &dwType, (BYTE *)chData, &dwSize) == ERROR_SUCCESS) {
2379: if(_strnicmp(chData, "COM", 3) == 0) {
2380: port_number = atoi(chData + 3);
2381: }
2382: }
2383: RegCloseKey(hKey);
2384:
1.1.1.29 root 2385: 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 2386: continue;
2387: }
2388: if(sio_port_number[0] == 0) {
2389: sio_port_number[0] = port_number;
2390: } else if(sio_port_number[1] == 0) {
2391: sio_port_number[1] = port_number;
1.1.1.29 root 2392: } else if(sio_port_number[2] == 0) {
2393: sio_port_number[2] = port_number;
2394: } else if(sio_port_number[3] == 0) {
2395: sio_port_number[3] = port_number;
1.1.1.27 root 2396: }
1.1.1.29 root 2397: 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 2398: break;
2399: }
2400: }
2401: }
2402: }
2403: }
2404:
1.1.1.28 root 2405: #define IS_NUMERIC(c) ((c) >= '0' && (c) <= '9')
2406:
1.1 root 2407: int main(int argc, char *argv[], char *envp[])
2408: {
1.1.1.9 root 2409: int arg_offset = 0;
2410: int standard_env = 0;
1.1.1.14 root 2411: int buf_width = 0, buf_height = 0;
1.1.1.28 root 2412: bool get_console_info_success = false;
2413: bool screen_size_changed = false;
2414:
2415: _TCHAR path[MAX_PATH], full[MAX_PATH], *name = NULL;
2416: GetModuleFileName(NULL, path, MAX_PATH);
2417: GetFullPathName(path, MAX_PATH, full, &name);
1.1 root 2418:
1.1.1.27 root 2419: char dummy_argv_0[] = "msdos.exe";
2420: char dummy_argv_1[MAX_PATH];
2421: char *dummy_argv[256] = {dummy_argv_0, dummy_argv_1, 0};
2422: char new_exec_file[MAX_PATH];
2423: bool convert_cmd_file = false;
1.1.1.28 root 2424: unsigned int code_page = 0;
1.1.1.27 root 2425:
2426: if(name != NULL && stricmp(name, "msdos.exe") != 0) {
1.1.1.28 root 2427: // check if command file is embedded to this execution file
2428: // if this execution file name is msdos.exe, don't check
1.1.1.27 root 2429: FILE* fp = fopen(full, "rb");
1.1.1.28 root 2430: long offset = get_section_in_exec_file(fp, ".msdos");
2431: if(offset != 0) {
1.1.1.30 root 2432: UINT8 buffer[16];
1.1.1.28 root 2433: fseek(fp, offset, SEEK_SET);
2434: fread(buffer, sizeof(buffer), 1, fp);
2435:
2436: // restore flags
2437: stay_busy = ((buffer[0] & 0x01) != 0);
2438: no_windows = ((buffer[0] & 0x02) != 0);
2439: standard_env = ((buffer[0] & 0x04) != 0);
2440: ignore_illegal_insn = ((buffer[0] & 0x08) != 0);
2441: limit_max_memory = ((buffer[0] & 0x10) != 0);
2442: if((buffer[0] & 0x20) != 0) {
2443: get_sio_port_numbers();
2444: }
2445: if((buffer[0] & 0x40) != 0) {
2446: UMB_TOP = EMS_TOP + EMS_SIZE;
2447: support_ems = true;
1.1.1.30 root 2448: }
1.1.1.27 root 2449: #ifdef SUPPORT_XMS
1.1.1.30 root 2450: if((buffer[0] & 0x80) != 0) {
1.1.1.28 root 2451: support_xms = true;
2452: }
1.1.1.30 root 2453: #endif
1.1.1.28 root 2454: if((buffer[1] != 0 || buffer[2] != 0) && (buffer[3] != 0 || buffer[4] != 0)) {
2455: buf_width = buffer[1] | (buffer[2] << 8);
2456: buf_height = buffer[3] | (buffer[4] << 8);
2457: }
2458: if(buffer[5] != 0) {
1.1.1.30 root 2459: dos_major_version = buffer[5];
2460: dos_minor_version = buffer[6];
2461: }
2462: if(buffer[7] != 0) {
2463: win_major_version = buffer[7];
2464: win_minor_version = buffer[8];
1.1.1.28 root 2465: }
1.1.1.30 root 2466: if((code_page = buffer[9] | (buffer[10] << 8)) != 0) {
1.1.1.28 root 2467: SetConsoleCP(code_page);
2468: SetConsoleOutputCP(code_page);
2469: }
1.1.1.30 root 2470: int name_len = buffer[11];
2471: int file_len = buffer[12] | (buffer[13] << 8) | (buffer[14] << 16) | (buffer[15] << 24);
1.1.1.28 root 2472:
2473: // restore command file name
2474: memset(dummy_argv_1, 0, sizeof(dummy_argv_1));
2475: fread(dummy_argv_1, name_len, 1, fp);
2476:
2477: if(name_len != 0 && _access(dummy_argv_1, 0) == 0) {
2478: // if original command file exists, create a temporary file name
2479: if(GetTempFileName(_T("."), _T("DOS"), 0, dummy_argv_1) != 0) {
2480: // create a temporary command file in the current director
2481: DeleteFile(dummy_argv_1);
1.1.1.27 root 2482: } else {
1.1.1.28 root 2483: // create a temporary command file in the temporary folder
2484: GetTempPath(MAX_PATH, path);
2485: if(GetTempFileName(path, _T("DOS"), 0, dummy_argv_1) != 0) {
2486: DeleteFile(dummy_argv_1);
2487: } else {
2488: sprintf(dummy_argv_1, "%s$DOSPRG$.TMP", path);
2489: }
1.1.1.27 root 2490: }
1.1.1.28 root 2491: // check the command file type
2492: fread(buffer, 2, 1, fp);
2493: fseek(fp, -2, SEEK_CUR);
2494: if(memcmp(buffer, "MZ", 2) != 0) {
2495: memcpy(dummy_argv_1 + strlen(dummy_argv_1) - 4, ".COM", 4);
2496: } else {
2497: memcpy(dummy_argv_1 + strlen(dummy_argv_1) - 4, ".EXE", 4);
1.1.1.27 root 2498: }
2499: }
1.1.1.28 root 2500:
2501: // restore command file
2502: FILE* fo = fopen(dummy_argv_1, "wb");
2503: for(int i = 0; i < file_len; i++) {
2504: fputc(fgetc(fp), fo);
2505: }
2506: fclose(fo);
2507:
2508: GetFullPathName(dummy_argv_1, MAX_PATH, temp_file_path, NULL);
2509: temp_file_created = true;
2510: SetFileAttributes(temp_file_path, FILE_ATTRIBUTE_HIDDEN);
2511:
2512: // adjust argc/argv
2513: for(int i = 1; i < argc && (i + 1) < 256; i++) {
2514: dummy_argv[i + 1] = argv[i];
2515: }
2516: argc++;
2517: argv = dummy_argv;
1.1.1.27 root 2518: }
2519: fclose(fp);
2520: }
1.1.1.9 root 2521: for(int i = 1; i < argc; i++) {
1.1.1.25 root 2522: if(_strnicmp(argv[i], "-b", 2) == 0) {
2523: stay_busy = true;
2524: arg_offset++;
1.1.1.27 root 2525: } else if(_strnicmp(argv[i], "-c", 2) == 0) {
2526: if(argv[i][2] != '\0') {
2527: strcpy(new_exec_file, &argv[i][2]);
2528: } else {
2529: strcpy(new_exec_file, "new_exec_file.exe");
2530: }
2531: convert_cmd_file = true;
2532: arg_offset++;
1.1.1.28 root 2533: } else if(_strnicmp(argv[i], "-p", 2) == 0) {
2534: if(IS_NUMERIC(argv[i][2])) {
2535: code_page = atoi(&argv[i][2]);
2536: } else {
2537: code_page = GetConsoleCP();
2538: }
2539: arg_offset++;
1.1.1.25 root 2540: } else if(_strnicmp(argv[i], "-d", 2) == 0) {
2541: no_windows = true;
2542: arg_offset++;
2543: } else if(_strnicmp(argv[i], "-e", 2) == 0) {
1.1.1.9 root 2544: standard_env = 1;
2545: arg_offset++;
1.1.1.14 root 2546: } else if(_strnicmp(argv[i], "-i", 2) == 0) {
2547: ignore_illegal_insn = true;
2548: arg_offset++;
2549: } else if(_strnicmp(argv[i], "-m", 2) == 0) {
2550: limit_max_memory = true;
2551: arg_offset++;
2552: } else if(_strnicmp(argv[i], "-n", 2) == 0) {
1.1.1.51 root 2553: int result = sscanf(argv[i] + 2, "%d,%d", &buf_height, &buf_width);
2554: if(result == 1) {
2555: buf_width = 0;
2556: } else if(result != 2) {
1.1.1.17 root 2557: buf_width = buf_height = 0;
2558: }
2559: if(buf_width <= 0 || buf_width > 0x7fff) {
2560: buf_width = 80;
2561: }
2562: if(buf_height <= 0 || buf_height > 0x7fff) {
2563: buf_height = 25;
2564: }
1.1.1.14 root 2565: arg_offset++;
1.1.1.25 root 2566: } else if(_strnicmp(argv[i], "-s", 2) == 0) {
1.1.1.28 root 2567: if(IS_NUMERIC(argv[i][2])) {
1.1.1.29 root 2568: char *p0 = &argv[i][2], *p1, *p2, *p3;
2569: if((p1 = strchr(p0, ',')) != NULL && IS_NUMERIC(p1[1])) {
2570: sio_port_number[1] = atoi(p1 + 1);
2571: if((p2 = strchr(p1, ',')) != NULL && IS_NUMERIC(p2[1])) {
2572: sio_port_number[2] = atoi(p2 + 1);
2573: if((p3 = strchr(p2, ',')) != NULL && IS_NUMERIC(p3[1])) {
2574: sio_port_number[3] = atoi(p3 + 1);
2575: }
2576: }
1.1.1.25 root 2577: }
1.1.1.29 root 2578: sio_port_number[0] = atoi(p0);
1.1.1.25 root 2579: }
1.1.1.29 root 2580: 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 2581: get_sio_port_numbers();
1.1.1.25 root 2582: }
2583: arg_offset++;
1.1.1.9 root 2584: } else if(_strnicmp(argv[i], "-v", 2) == 0) {
1.1.1.17 root 2585: 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 2586: dos_major_version = argv[i][2] - '0';
2587: dos_minor_version = (argv[i][4] - '0') * 10 + (argv[i][5] ? (argv[i][5] - '0') : 0);
2588: }
2589: arg_offset++;
2590: } else if(_strnicmp(argv[i], "-w", 2) == 0) {
2591: 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]))) {
2592: win_major_version = argv[i][2] - '0';
2593: win_minor_version = (argv[i][4] - '0') * 10 + (argv[i][5] ? (argv[i][5] - '0') : 0);
1.1.1.9 root 2594: }
2595: arg_offset++;
1.1.1.25 root 2596: } else if(_strnicmp(argv[i], "-x", 2) == 0) {
2597: UMB_TOP = EMS_TOP + EMS_SIZE;
2598: support_ems = true;
2599: #ifdef SUPPORT_XMS
2600: support_xms = true;
2601: #endif
2602: arg_offset++;
1.1.1.9 root 2603: } else {
2604: break;
2605: }
2606: }
2607: if(argc < 2 + arg_offset) {
1.1 root 2608: #ifdef _WIN64
1.1.1.14 root 2609: fprintf(stderr, "MS-DOS Player (" CPU_MODEL_NAME(CPU_MODEL) ") for Win32-x64 console\n\n");
1.1 root 2610: #else
1.1.1.14 root 2611: fprintf(stderr, "MS-DOS Player (" CPU_MODEL_NAME(CPU_MODEL) ") for Win32 console\n\n");
1.1 root 2612: #endif
1.1.1.25 root 2613: fprintf(stderr,
1.1.1.28 root 2614: "Usage: MSDOS [-b] [-c[(new exec file)] [-p[P]]] [-d] [-e] [-i] [-m] [-n[L[,C]]]\n"
1.1.1.30 root 2615: " [-s[P1[,P2[,P3[,P4]]]]] [-vX.XX] [-wX.XX] [-x] (command) [options]\n"
1.1.1.25 root 2616: "\n"
2617: "\t-b\tstay busy during keyboard polling\n"
1.1.1.28 root 2618: #ifdef _WIN64
1.1.1.27 root 2619: "\t-c\tconvert command file to 64bit execution file\n"
1.1.1.28 root 2620: #else
1.1.1.27 root 2621: "\t-c\tconvert command file to 32bit execution file\n"
2622: #endif
1.1.1.28 root 2623: "\t-p\trecord current code page when convert command file\n"
1.1.1.25 root 2624: "\t-d\tpretend running under straight DOS, not Windows\n"
2625: "\t-e\tuse a reduced environment block\n"
2626: "\t-i\tignore invalid instructions\n"
2627: "\t-m\trestrict free memory to 0x7FFF paragraphs\n"
2628: "\t-n\tcreate a new buffer (25 lines, 80 columns by default)\n"
2629: "\t-s\tenable serial I/O and set host's COM port numbers\n"
2630: "\t-v\tset the DOS version\n"
1.1.1.30 root 2631: "\t-w\tset the Windows version\n"
1.1.1.19 root 2632: #ifdef SUPPORT_XMS
1.1.1.28 root 2633: "\t-x\tenable XMS and LIM EMS\n"
1.1.1.19 root 2634: #else
1.1.1.28 root 2635: "\t-x\tenable LIM EMS\n"
1.1.1.19 root 2636: #endif
2637: );
1.1.1.10 root 2638:
2639: if(!is_started_from_command_prompt()) {
2640: fprintf(stderr, "\nStart this program from a command prompt!\n\nHit any key to quit...");
2641: while(!_kbhit()) {
2642: Sleep(10);
2643: }
2644: }
1.1.1.20 root 2645: #ifdef _DEBUG
2646: _CrtDumpMemoryLeaks();
2647: #endif
1.1 root 2648: return(EXIT_FAILURE);
2649: }
1.1.1.27 root 2650: if(convert_cmd_file) {
2651: retval = EXIT_FAILURE;
1.1.1.28 root 2652: if(name != NULL/* && stricmp(name, "msdos.exe") == 0*/) {
1.1.1.27 root 2653: FILE *fp = NULL, *fs = NULL, *fo = NULL;
1.1.1.28 root 2654: int len = strlen(argv[arg_offset + 1]), data;
1.1.1.27 root 2655:
1.1.1.28 root 2656: if(!(len > 4 && (stricmp(argv[arg_offset + 1] + len - 4, ".COM") == 0 || stricmp(argv[arg_offset + 1] + len - 4, ".EXE") == 0))) {
2657: fprintf(stderr, "Specify command file with extenstion (.COM or .EXE)\n");
2658: } else if((fp = fopen(full, "rb")) == NULL) {
2659: fprintf(stderr, "Can't open '%s'\n", name);
1.1.1.27 root 2660: } else {
1.1.1.28 root 2661: long offset = get_section_in_exec_file(fp, ".msdos");
2662: if(offset != 0) {
2663: UINT8 buffer[14];
2664: fseek(fp, offset, SEEK_SET);
2665: fread(buffer, sizeof(buffer), 1, fp);
2666: memset(path, 0, sizeof(path));
2667: fread(path, buffer[9], 1, fp);
2668: fprintf(stderr, "Command file '%s' was already embedded to '%s'\n", path, name);
2669: } else if((fs = fopen(argv[arg_offset + 1], "rb")) == NULL) {
2670: fprintf(stderr, "Can't open '%s'\n", argv[arg_offset + 1]);
2671: } else if((fo = fopen(new_exec_file, "wb")) == NULL) {
2672: fprintf(stderr, "Can't open '%s'\n", new_exec_file);
2673: } else {
2674: // read pe header of msdos.exe
2675: UINT8 header[0x400];
2676: fseek(fp, 0, SEEK_SET);
2677: fread(header, sizeof(header), 1, fp);
2678:
2679: _IMAGE_DOS_HEADER *dosHeader = (_IMAGE_DOS_HEADER *)(header + 0);
2680: DWORD dwTopOfSignature = dosHeader->e_lfanew;
2681: DWORD dwTopOfCoffHeader = dwTopOfSignature + 4;
2682: _IMAGE_FILE_HEADER *coffHeader = (_IMAGE_FILE_HEADER *)(header + dwTopOfCoffHeader);
2683: DWORD dwTopOfOptionalHeader = dwTopOfCoffHeader + sizeof(_IMAGE_FILE_HEADER);
2684: _IMAGE_OPTIONAL_HEADER *optionalHeader = (_IMAGE_OPTIONAL_HEADER *)(header + dwTopOfOptionalHeader);
2685: DWORD dwTopOfFirstSectionHeader = dwTopOfOptionalHeader + coffHeader->SizeOfOptionalHeader;
2686:
2687: _IMAGE_SECTION_HEADER *lastSectionHeader = (_IMAGE_SECTION_HEADER *)(header + dwTopOfFirstSectionHeader + IMAGE_SIZEOF_SECTION_HEADER * (coffHeader->NumberOfSections - 1));
2688: DWORD dwEndOfFile = lastSectionHeader->PointerToRawData + lastSectionHeader->SizeOfRawData;
2689: DWORD dwLastSectionSize = lastSectionHeader->SizeOfRawData;
2690: DWORD dwExtraLastSectionBytes = dwLastSectionSize % optionalHeader->SectionAlignment;
2691: if(dwExtraLastSectionBytes != 0) {
2692: DWORD dwRemain = optionalHeader->SectionAlignment - dwExtraLastSectionBytes;
2693: dwLastSectionSize += dwRemain;
2694: }
2695: DWORD dwVirtualAddress = lastSectionHeader->VirtualAddress + dwLastSectionSize;
2696:
2697: // store msdos.exe
2698: fseek(fp, 0, SEEK_SET);
2699: for(int i = 0; i < dwEndOfFile; i++) {
2700: if((data = fgetc(fp)) != EOF) {
2701: fputc(data, fo);
2702: } else {
2703: // we should not reach here :-(
2704: fputc(0, fo);
2705: }
2706: }
2707:
2708: // store options
2709: UINT8 flags = 0;
2710: if(stay_busy) {
2711: flags |= 0x01;
2712: }
2713: if(no_windows) {
2714: flags |= 0x02;
2715: }
2716: if(standard_env) {
2717: flags |= 0x04;
2718: }
2719: if(ignore_illegal_insn) {
2720: flags |= 0x08;
2721: }
2722: if(limit_max_memory) {
2723: flags |= 0x10;
2724: }
1.1.1.29 root 2725: 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 2726: flags |= 0x20;
2727: }
2728: if(support_ems) {
2729: flags |= 0x40;
2730: }
1.1.1.30 root 2731: #ifdef SUPPORT_XMS
2732: if(support_xms) {
2733: flags |= 0x80;
2734: }
2735: #endif
1.1.1.28 root 2736:
2737: fputc(flags, fo);
2738: fputc((buf_width >> 0) & 0xff, fo);
2739: fputc((buf_width >> 8) & 0xff, fo);
2740: fputc((buf_height >> 0) & 0xff, fo);
2741: fputc((buf_height >> 8) & 0xff, fo);
1.1.1.30 root 2742: fputc(dos_major_version, fo);
2743: fputc(dos_minor_version, fo);
2744: fputc(win_major_version, fo);
2745: fputc(win_minor_version, fo);
1.1.1.28 root 2746: fputc((code_page >> 0) & 0xff, fo);
2747: fputc((code_page >> 8) & 0xff, fo);
2748:
2749: // store command file info
2750: GetFullPathName(argv[arg_offset + 1], MAX_PATH, full, &name);
2751: int name_len = strlen(name);
2752: fseek(fs, 0, SEEK_END);
2753: long file_size = ftell(fs);
2754:
2755: fputc(name_len, fo);
2756: fputc((file_size >> 0) & 0xff, fo);
2757: fputc((file_size >> 8) & 0xff, fo);
2758: fputc((file_size >> 16) & 0xff, fo);
2759: fputc((file_size >> 24) & 0xff, fo);
2760: fwrite(name, name_len, 1, fo);
2761:
2762: // store command file
2763: fseek(fs, 0, SEEK_SET);
2764: for(int i = 0; i < file_size; i++) {
2765: if((data = fgetc(fs)) != EOF) {
2766: fputc(data, fo);
2767: } else {
2768: // we should not reach here :-(
2769: fputc(0, fo);
2770: }
2771: }
2772:
2773: // store padding data and update pe header
1.1.1.29 root 2774: _IMAGE_SECTION_HEADER *newSectionHeader = (_IMAGE_SECTION_HEADER *)(header + dwTopOfFirstSectionHeader + IMAGE_SIZEOF_SECTION_HEADER * coffHeader->NumberOfSections);
2775: coffHeader->NumberOfSections++;
2776: memset(newSectionHeader, 0, IMAGE_SIZEOF_SECTION_HEADER);
2777: memcpy(newSectionHeader->Name, ".msdos", 6);
2778: newSectionHeader->VirtualAddress = dwVirtualAddress;
2779: newSectionHeader->PointerToRawData = dwEndOfFile;
2780: newSectionHeader->Characteristics = IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_DISCARDABLE;
1.1.1.28 root 2781: newSectionHeader->SizeOfRawData = 14 + name_len + file_size;
2782: DWORD dwExtraRawBytes = newSectionHeader->SizeOfRawData % optionalHeader->FileAlignment;
2783: if(dwExtraRawBytes != 0) {
1.1.1.29 root 2784: static const char padding[] = "PADDINGXXPADDING";
1.1.1.28 root 2785: DWORD dwRemain = optionalHeader->FileAlignment - dwExtraRawBytes;
2786: for(int i = 0; i < dwRemain; i++) {
1.1.1.29 root 2787: if(i < 2) {
2788: fputc(padding[i & 15], fo);
2789: } else {
2790: fputc(padding[(i - 2) & 15], fo);
2791: }
1.1.1.28 root 2792: }
2793: newSectionHeader->SizeOfRawData += dwRemain;
2794: }
2795: newSectionHeader->Misc.VirtualSize = newSectionHeader->SizeOfRawData;
2796:
2797: DWORD dwNewSectionSize = newSectionHeader->SizeOfRawData;
2798: DWORD dwExtraNewSectionBytes = dwNewSectionSize % optionalHeader->SectionAlignment;
2799: if(dwExtraNewSectionBytes != 0) {
2800: DWORD dwRemain = optionalHeader->SectionAlignment - dwExtraNewSectionBytes;
2801: dwNewSectionSize += dwRemain;
2802: }
2803: optionalHeader->SizeOfImage += dwNewSectionSize;
2804:
2805: fseek(fo, 0, SEEK_SET);
2806: fwrite(header, sizeof(header), 1, fo);
2807:
2808: fprintf(stderr, "'%s' is successfully created\n", new_exec_file);
2809: retval = EXIT_SUCCESS;
1.1.1.27 root 2810: }
2811: }
2812: if(fp != NULL) {
2813: fclose(fp);
2814: }
2815: if(fs != NULL) {
2816: fclose(fs);
2817: }
2818: if(fo != NULL) {
2819: fclose(fo);
2820: }
2821: }
2822: #ifdef _DEBUG
2823: _CrtDumpMemoryLeaks();
2824: #endif
2825: return(retval);
2826: }
1.1 root 2827:
1.1.1.54! root 2828: is_xp_64_or_later = is_greater_windows_version(5, 2, 0, 0);
1.1.1.14 root 2829: is_vista_or_later = is_greater_windows_version(6, 0, 0, 0);
2830:
1.1.1.23 root 2831: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 2832: CONSOLE_SCREEN_BUFFER_INFO csbi;
1.1.1.14 root 2833: CONSOLE_CURSOR_INFO ci;
1.1.1.23 root 2834:
1.1.1.28 root 2835: get_console_info_success = (GetConsoleScreenBufferInfo(hStdout, &csbi) != 0);
1.1.1.14 root 2836: GetConsoleCursorInfo(hStdout, &ci);
1.1.1.24 root 2837: GetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), &dwConsoleMode);
1.1 root 2838:
1.1.1.14 root 2839: for(int y = 0; y < SCR_BUF_WIDTH; y++) {
2840: for(int x = 0; x < SCR_BUF_HEIGHT; x++) {
2841: SCR_BUF(y,x).Char.AsciiChar = ' ';
2842: SCR_BUF(y,x).Attributes = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
1.1 root 2843: }
2844: }
1.1.1.28 root 2845: if(get_console_info_success) {
1.1.1.12 root 2846: scr_width = csbi.dwSize.X;
1.1.1.14 root 2847: scr_height = csbi.srWindow.Bottom - csbi.srWindow.Top + 1;
2848:
1.1.1.28 root 2849: // v-text shadow buffer size must be lesser than 0x7fd0
2850: if((scr_width > SCR_BUF_WIDTH) || (scr_height > SCR_BUF_HEIGHT) || (scr_width * scr_height * 2 > 0x7fd0) ||
1.1.1.14 root 2851: (buf_width != 0 && buf_width != scr_width) || (buf_height != 0 && buf_height != scr_height)) {
2852: scr_width = min(buf_width != 0 ? buf_width : scr_width, SCR_BUF_WIDTH);
2853: scr_height = min(buf_height != 0 ? buf_height : scr_height, SCR_BUF_HEIGHT);
1.1.1.28 root 2854: if(scr_width * scr_height * 2 > 0x7fd0) {
1.1.1.14 root 2855: scr_width = 80;
2856: scr_height = 25;
2857: }
1.1.1.28 root 2858: screen_size_changed = true;
1.1.1.14 root 2859: }
1.1.1.12 root 2860: } else {
2861: // for a proof (not a console)
2862: scr_width = 80;
2863: scr_height = 25;
2864: }
1.1.1.14 root 2865: scr_buf_size.X = scr_width;
2866: scr_buf_size.Y = scr_height;
2867: scr_buf_pos.X = scr_buf_pos.Y = 0;
2868: scr_top = csbi.srWindow.Top;
1.1 root 2869: cursor_moved = false;
2870:
1.1.1.54! root 2871: SetPriorityClass(GetCurrentProcess(), ABOVE_NORMAL_PRIORITY_CLASS);
! 2872:
1.1.1.35 root 2873: #ifdef USE_SERVICE_THREAD
2874: InitializeCriticalSection(&input_crit_sect);
2875: InitializeCriticalSection(&key_buf_crit_sect);
2876: InitializeCriticalSection(&putch_crit_sect);
1.1.1.50 root 2877: main_thread_id = GetCurrentThreadId();
1.1.1.35 root 2878: #endif
1.1.1.50 root 2879:
1.1.1.25 root 2880: key_buf_char = new FIFO(256);
2881: key_buf_scan = new FIFO(256);
1.1 root 2882:
2883: hardware_init();
2884:
1.1.1.33 root 2885: #ifdef USE_DEBUGGER
2886: debugger_init();
2887: #endif
2888:
1.1.1.9 root 2889: if(msdos_init(argc - (arg_offset + 1), argv + (arg_offset + 1), envp, standard_env)) {
1.1 root 2890: retval = EXIT_FAILURE;
2891: } else {
1.1.1.27 root 2892: #if defined(_MSC_VER) && (_MSC_VER >= 1400)
1.1.1.14 root 2893: _set_invalid_parameter_handler((_invalid_parameter_handler)ignore_invalid_parameters);
2894: #endif
2895: SetConsoleCtrlHandler(ctrl_handler, TRUE);
2896:
1.1.1.28 root 2897: if(screen_size_changed) {
1.1.1.24 root 2898: change_console_size(scr_width, scr_height);
2899: }
1.1.1.8 root 2900: TIMECAPS caps;
2901: timeGetDevCaps(&caps, sizeof(TIMECAPS));
2902: timeBeginPeriod(caps.wPeriodMin);
1.1.1.35 root 2903: #ifdef USE_VRAM_THREAD
1.1.1.14 root 2904: InitializeCriticalSection(&vram_crit_sect);
2905: CloseHandle(CreateThread(NULL, 4096, vram_thread, NULL, 0, NULL));
2906: #endif
1.1.1.33 root 2907: #ifdef USE_DEBUGGER
2908: CloseHandle(CreateThread(NULL, 0, debugger_thread, NULL, 0, NULL));
2909: // wait until telnet client starts and connects to me
2910: if(_access(debugger_get_ttermpro_path(), 0) == 0 ||
2911: _access(debugger_get_ttermpro_x86_path(), 0) == 0 ||
2912: _access(debugger_get_putty_path(), 0) == 0 ||
2913: _access(debugger_get_putty_x86_path(), 0) == 0 ||
2914: _access(debugger_get_telnet_path(), 0) == 0) {
2915: for(int i = 0; i < 100 && cli_socket == 0; i++) {
2916: Sleep(100);
2917: }
2918: }
2919: #endif
1.1 root 2920: hardware_run();
1.1.1.35 root 2921: #ifdef USE_VRAM_THREAD
1.1.1.14 root 2922: vram_flush();
2923: DeleteCriticalSection(&vram_crit_sect);
2924: #endif
1.1.1.24 root 2925: timeEndPeriod(caps.wPeriodMin);
1.1.1.14 root 2926:
1.1.1.24 root 2927: // hStdin/hStdout (and all handles) will be closed in msdos_finish()...
1.1.1.28 root 2928: if(get_console_info_success) {
1.1.1.23 root 2929: hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.12 root 2930: if(restore_console_on_exit) {
1.1.1.14 root 2931: // window can't be bigger than buffer,
2932: // buffer can't be smaller than window,
2933: // so make a tiny window,
2934: // set the required buffer,
2935: // then set the required window
2936: SMALL_RECT rect;
2937: SET_RECT(rect, 0, csbi.srWindow.Top, 0, csbi.srWindow.Top);
2938: SetConsoleWindowInfo(hStdout, TRUE, &rect);
1.1.1.12 root 2939: SetConsoleScreenBufferSize(hStdout, csbi.dwSize);
1.1.1.14 root 2940: SET_RECT(rect, 0, 0, csbi.srWindow.Right - csbi.srWindow.Left, csbi.srWindow.Bottom - csbi.srWindow.Top);
1.1.1.12 root 2941: SetConsoleWindowInfo(hStdout, TRUE, &rect);
2942: }
1.1.1.14 root 2943: SetConsoleTextAttribute(hStdout, csbi.wAttributes);
2944: SetConsoleCursorInfo(hStdout, &ci);
1.1.1.12 root 2945: }
1.1.1.24 root 2946: SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), dwConsoleMode);
2947:
1.1 root 2948: msdos_finish();
1.1.1.14 root 2949:
2950: SetConsoleCtrlHandler(ctrl_handler, FALSE);
1.1 root 2951: }
1.1.1.35 root 2952: if(temp_file_created) {
2953: DeleteFile(temp_file_path);
2954: temp_file_created = false;
2955: }
1.1.1.10 root 2956: hardware_finish();
2957:
1.1.1.28 root 2958: if(key_buf_char != NULL) {
2959: key_buf_char->release();
2960: delete key_buf_char;
2961: key_buf_char = NULL;
2962: }
2963: if(key_buf_scan != NULL) {
2964: key_buf_scan->release();
2965: delete key_buf_scan;
2966: key_buf_scan = NULL;
2967: }
1.1.1.35 root 2968: #ifdef USE_SERVICE_THREAD
2969: DeleteCriticalSection(&input_crit_sect);
2970: DeleteCriticalSection(&key_buf_crit_sect);
2971: DeleteCriticalSection(&putch_crit_sect);
2972: #endif
1.1.1.20 root 2973: #ifdef _DEBUG
2974: _CrtDumpMemoryLeaks();
2975: #endif
1.1 root 2976: return(retval);
2977: }
2978:
1.1.1.20 root 2979: /* ----------------------------------------------------------------------------
2980: console
2981: ---------------------------------------------------------------------------- */
2982:
1.1.1.14 root 2983: void change_console_size(int width, int height)
1.1.1.12 root 2984: {
1.1.1.23 root 2985: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.12 root 2986: CONSOLE_SCREEN_BUFFER_INFO csbi;
2987: SMALL_RECT rect;
2988: COORD co;
2989:
2990: GetConsoleScreenBufferInfo(hStdout, &csbi);
1.1.1.14 root 2991: if(csbi.srWindow.Top != 0 || csbi.dwCursorPosition.Y > height - 1) {
2992: if(csbi.srWindow.Right - csbi.srWindow.Left + 1 == width && csbi.srWindow.Bottom - csbi.srWindow.Top + 1 == height) {
2993: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &csbi.srWindow);
2994: SET_RECT(rect, 0, 0, width - 1, height - 1);
2995: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
2996: } else if(csbi.dwCursorPosition.Y > height - 1) {
2997: SET_RECT(rect, 0, csbi.dwCursorPosition.Y - (height - 1), width - 1, csbi.dwCursorPosition.Y);
2998: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
2999: SET_RECT(rect, 0, 0, width - 1, height - 1);
3000: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1.1.12 root 3001: }
3002: }
1.1.1.14 root 3003: if(csbi.dwCursorPosition.Y > height - 1) {
1.1.1.12 root 3004: co.X = csbi.dwCursorPosition.X;
1.1.1.14 root 3005: co.Y = min(height - 1, csbi.dwCursorPosition.Y - csbi.srWindow.Top);
1.1.1.12 root 3006: SetConsoleCursorPosition(hStdout, co);
3007: cursor_moved = true;
3008: }
1.1.1.14 root 3009:
3010: // window can't be bigger than buffer,
3011: // buffer can't be smaller than window,
3012: // so make a tiny window,
3013: // set the required buffer,
3014: // then set the required window
3015: SET_RECT(rect, 0, csbi.srWindow.Top, 0, csbi.srWindow.Top);
1.1.1.12 root 3016: SetConsoleWindowInfo(hStdout, TRUE, &rect);
1.1.1.14 root 3017: co.X = width;
3018: co.Y = height;
1.1.1.12 root 3019: SetConsoleScreenBufferSize(hStdout, co);
1.1.1.14 root 3020: SET_RECT(rect, 0, 0, width - 1, height - 1);
3021: SetConsoleWindowInfo(hStdout, TRUE, &rect);
3022:
3023: scr_width = scr_buf_size.X = width;
3024: scr_height = scr_buf_size.Y = height;
3025: scr_top = 0;
3026:
3027: clear_scr_buffer(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
3028:
3029: int regen = min(scr_width * scr_height * 2, 0x8000);
1.1.1.15 root 3030: text_vram_end_address = text_vram_top_address + regen;
3031: shadow_buffer_end_address = shadow_buffer_top_address + regen;
3032:
1.1.1.14 root 3033: if(regen > 0x4000) {
3034: regen = 0x8000;
3035: vram_pages = 1;
3036: } else if(regen > 0x2000) {
3037: regen = 0x4000;
3038: vram_pages = 2;
3039: } else if(regen > 0x1000) {
3040: regen = 0x2000;
3041: vram_pages = 4;
3042: } else {
3043: regen = 0x1000;
3044: vram_pages = 8;
3045: }
1.1.1.15 root 3046: *(UINT16 *)(mem + 0x44a) = scr_width;
3047: *(UINT16 *)(mem + 0x44c) = regen;
3048: *(UINT8 *)(mem + 0x484) = scr_height - 1;
3049:
1.1.1.24 root 3050: mouse.min_position.x = 0;
3051: mouse.min_position.y = 0;
1.1.1.34 root 3052: mouse.max_position.x = 8 * (scr_width - 1);
3053: mouse.max_position.y = 8 * (scr_height - 1);
1.1.1.24 root 3054:
1.1.1.15 root 3055: restore_console_on_exit = true;
1.1.1.14 root 3056: }
3057:
3058: void clear_scr_buffer(WORD attr)
3059: {
3060: for(int y = 0; y < scr_height; y++) {
3061: for(int x = 0; x < scr_width; x++) {
3062: SCR_BUF(y,x).Char.AsciiChar = ' ';
3063: SCR_BUF(y,x).Attributes = attr;
3064: }
3065: }
1.1.1.12 root 3066: }
3067:
1.1.1.24 root 3068: bool update_console_input()
1.1 root 3069: {
1.1.1.35 root 3070: #ifdef USE_SERVICE_THREAD
3071: EnterCriticalSection(&input_crit_sect);
3072: #endif
1.1.1.23 root 3073: HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE);
1.1.1.8 root 3074: DWORD dwNumberOfEvents = 0;
1.1 root 3075: DWORD dwRead;
3076: INPUT_RECORD ir[16];
1.1.1.24 root 3077: CONSOLE_SCREEN_BUFFER_INFO csbi = {0};
3078: bool result = false;
1.1 root 3079:
1.1.1.8 root 3080: if(GetNumberOfConsoleInputEvents(hStdin, &dwNumberOfEvents) && dwNumberOfEvents != 0) {
3081: if(ReadConsoleInputA(hStdin, ir, 16, &dwRead)) {
3082: for(int i = 0; i < dwRead; i++) {
1.1.1.24 root 3083: if(ir[i].EventType & MOUSE_EVENT) {
1.1.1.34 root 3084: if(mouse.hidden == 0) {
3085: // NOTE: if restore_console_on_exit, console is not scrolled
3086: if(!restore_console_on_exit && csbi.srWindow.Bottom == 0) {
3087: GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
3088: }
3089: // FIXME: character size is always 8x8 ???
3090: int x = 8 * (ir[i].Event.MouseEvent.dwMousePosition.X);
3091: int y = 8 * (ir[i].Event.MouseEvent.dwMousePosition.Y - csbi.srWindow.Top);
3092:
3093: if(mouse.position.x != x || mouse.position.y != y) {
3094: mouse.position.x = x;
3095: mouse.position.y = y;
3096: mouse.status |= 1;
1.1.1.43 root 3097: mouse.status_alt |= 1;
1.1.1.34 root 3098: }
3099: }
3100: if(ir[i].Event.MouseEvent.dwEventFlags == 0) {
3101: for(int i = 0; i < MAX_MOUSE_BUTTONS; i++) {
3102: static const DWORD bits[] = {
3103: FROM_LEFT_1ST_BUTTON_PRESSED, // left
3104: RIGHTMOST_BUTTON_PRESSED, // right
3105: FROM_LEFT_2ND_BUTTON_PRESSED, // middle
3106: };
3107: bool prev_status = mouse.buttons[i].status;
3108: mouse.buttons[i].status = ((ir[i].Event.MouseEvent.dwButtonState & bits[i]) != 0);
3109:
3110: if(!prev_status && mouse.buttons[i].status) {
3111: mouse.buttons[i].pressed_times++;
3112: mouse.buttons[i].pressed_position.x = mouse.position.x;
3113: mouse.buttons[i].pressed_position.y = mouse.position.x;
1.1.1.43 root 3114: if(i < 2) {
3115: mouse.status_alt |= 2 << (i * 2);
3116: }
1.1.1.34 root 3117: mouse.status |= 2 << (i * 2);
3118: } else if(prev_status && !mouse.buttons[i].status) {
3119: mouse.buttons[i].released_times++;
3120: mouse.buttons[i].released_position.x = mouse.position.x;
3121: mouse.buttons[i].released_position.y = mouse.position.x;
1.1.1.43 root 3122: if(i < 2) {
3123: mouse.status_alt |= 4 << (i * 2);
3124: }
1.1.1.34 root 3125: mouse.status |= 4 << (i * 2);
1.1.1.14 root 3126: }
3127: }
3128: }
1.1.1.24 root 3129: } else if(ir[i].EventType & KEY_EVENT) {
1.1.1.33 root 3130: // update keyboard flags in bios data area
1.1.1.35 root 3131: if(ir[i].Event.KeyEvent.dwControlKeyState & CAPSLOCK_ON) {
3132: mem[0x417] |= 0x40;
1.1.1.33 root 3133: } else {
1.1.1.35 root 3134: mem[0x417] &= ~0x40;
1.1.1.33 root 3135: }
1.1.1.35 root 3136: if(ir[i].Event.KeyEvent.dwControlKeyState & NUMLOCK_ON) {
3137: mem[0x417] |= 0x20;
1.1.1.33 root 3138: } else {
1.1.1.35 root 3139: mem[0x417] &= ~0x20;
3140: }
3141: if(ir[i].Event.KeyEvent.dwControlKeyState & SCROLLLOCK_ON) {
3142: mem[0x417] |= 0x10;
3143: } else {
3144: mem[0x417] &= ~0x10;
1.1.1.33 root 3145: }
3146: if(ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED)) {
1.1.1.43 root 3147: if(mouse.buttons[0].status || mouse.buttons[1].status) {
3148: mouse.status_alt |= 0x80;
3149: }
1.1.1.33 root 3150: mem[0x417] |= 0x08;
3151: } else {
3152: mem[0x417] &= ~0x08;
3153: }
1.1.1.35 root 3154: if(ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED)) {
1.1.1.43 root 3155: if(mouse.buttons[0].status || mouse.buttons[1].status) {
3156: mouse.status_alt |= 0x40;
3157: }
1.1.1.35 root 3158: mem[0x417] |= 0x04;
1.1.1.33 root 3159: } else {
1.1.1.35 root 3160: mem[0x417] &= ~0x04;
1.1.1.33 root 3161: }
3162: if(ir[i].Event.KeyEvent.dwControlKeyState & SHIFT_PRESSED) {
1.1.1.43 root 3163: if(mouse.buttons[0].status || mouse.buttons[1].status) {
3164: mouse.status_alt |= 0x20;
3165: }
1.1.1.33 root 3166: if(!(mem[0x417] & 0x03)) {
3167: mem[0x417] |= 0x02; // left shift
3168: }
3169: } else {
3170: mem[0x417] &= ~0x03;
3171: }
1.1.1.35 root 3172: if(ir[i].Event.KeyEvent.dwControlKeyState & LEFT_ALT_PRESSED) {
3173: mem[0x418] |= 0x02;
3174: } else {
3175: mem[0x418] &= ~0x02;
3176: }
3177: if(ir[i].Event.KeyEvent.dwControlKeyState & LEFT_CTRL_PRESSED) {
3178: mem[0x418] |= 0x01;
3179: } else {
3180: mem[0x418] &= ~0x01;
3181: }
1.1.1.33 root 3182:
1.1.1.28 root 3183: // set scan code of last pressed/release key to kbd_data (in-port 60h)
1.1.1.24 root 3184: kbd_data = ir[i].Event.KeyEvent.wVirtualScanCode;
1.1.1.33 root 3185: kbd_status |= 1;
3186:
3187: // update dos key buffer
3188: UINT8 chr = ir[i].Event.KeyEvent.uChar.AsciiChar;
3189: UINT8 scn = ir[i].Event.KeyEvent.wVirtualScanCode & 0xff;
1.1.1.51 root 3190: UINT8 scn_old = scn;
1.1.1.33 root 3191:
3192: if(ir[i].Event.KeyEvent.bKeyDown) {
1.1.1.28 root 3193: // make
1.1.1.24 root 3194: kbd_data &= 0x7f;
3195:
1.1.1.33 root 3196: if(chr == 0x00) {
1.1.1.24 root 3197: if(ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED)) {
3198: if(scn >= 0x3b && scn <= 0x44) {
3199: scn += 0x68 - 0x3b; // F1 to F10
3200: } else if(scn == 0x57 || scn == 0x58) {
3201: scn += 0x8b - 0x57; // F11 & F12
3202: } else if(scn >= 0x47 && scn <= 0x53) {
3203: scn += 0x97 - 0x47; // edit/arrow clusters
3204: } else if(scn == 0x35) {
3205: scn = 0xa4; // keypad /
3206: }
3207: } else if(ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED)) {
3208: if(scn == 0x07) {
3209: chr = 0x1e; // Ctrl+^
3210: } else if(scn == 0x0c) {
3211: chr = 0x1f; // Ctrl+_
3212: } else if(scn >= 0x35 && scn <= 0x58) {
3213: static const UINT8 ctrl_map[] = {
3214: 0x95, // keypad /
3215: 0,
3216: 0x96, // keypad *
3217: 0, 0, 0,
3218: 0x5e, // F1
3219: 0x5f, // F2
3220: 0x60, // F3
3221: 0x61, // F4
3222: 0x62, // F5
3223: 0x63, // F6
3224: 0x64, // F7
3225: 0x65, // F8
3226: 0x66, // F9
3227: 0x67, // F10
3228: 0,
3229: 0,
3230: 0x77, // Home
3231: 0x8d, // Up
3232: 0x84, // PgUp
3233: 0x8e, // keypad -
3234: 0x73, // Left
3235: 0x8f, // keypad center
3236: 0x74, // Right
3237: 0x90, // keyapd +
3238: 0x75, // End
3239: 0x91, // Down
3240: 0x76, // PgDn
3241: 0x92, // Insert
3242: 0x93, // Delete
3243: 0, 0, 0,
3244: 0x89, // F11
3245: 0x8a, // F12
3246: };
3247: scn = ctrl_map[scn - 0x35];
3248: }
3249: } else if(ir[i].Event.KeyEvent.dwControlKeyState & SHIFT_PRESSED) {
3250: if(scn >= 0x3b && scn <= 0x44) {
3251: scn += 0x54 - 0x3b; // F1 to F10
3252: } else if(scn == 0x57 || scn == 0x58) {
3253: scn += 0x87 - 0x57; // F11 & F12
3254: }
3255: } else if(scn == 0x57 || scn == 0x58) {
3256: scn += 0x85 - 0x57;
3257: }
3258: // ignore shift, ctrl, alt, win and menu keys
1.1.1.51 root 3259: if(scn != 0x1d && scn != 0x2a && scn != 0x36 && scn != 0x38 && !(scn >= 0x5b && scn <= 0x5d && scn == scn_old)) {
1.1.1.32 root 3260: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 3261: #ifdef USE_SERVICE_THREAD
3262: EnterCriticalSection(&key_buf_crit_sect);
3263: #endif
1.1.1.32 root 3264: if(chr == 0) {
1.1.1.51 root 3265: pcbios_set_key_buffer(0x00, ir[i].Event.KeyEvent.dwControlKeyState & ENHANCED_KEY ? 0xe0 : 0x00);
1.1.1.32 root 3266: }
1.1.1.51 root 3267: pcbios_set_key_buffer(chr, scn);
1.1.1.35 root 3268: #ifdef USE_SERVICE_THREAD
3269: LeaveCriticalSection(&key_buf_crit_sect);
3270: #endif
1.1.1.24 root 3271: }
3272: }
3273: } else {
3274: if(ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED)) {
3275: chr = 0;
3276: if(scn >= 0x02 && scn <= 0x0e) {
3277: scn += 0x78 - 0x02; // 1 to 0 - =
3278: }
3279: }
1.1.1.32 root 3280: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 3281: #ifdef USE_SERVICE_THREAD
3282: EnterCriticalSection(&key_buf_crit_sect);
3283: #endif
1.1.1.51 root 3284: pcbios_set_key_buffer(chr, scn);
1.1.1.35 root 3285: #ifdef USE_SERVICE_THREAD
3286: LeaveCriticalSection(&key_buf_crit_sect);
3287: #endif
1.1.1.32 root 3288: }
1.1.1.24 root 3289: }
1.1.1.33 root 3290: } else if(chr == 0x03 && (ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED))) {
3291: // ctrl-break, ctrl-c
3292: if(scn == 0x46) {
3293: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 3294: #ifdef USE_SERVICE_THREAD
3295: EnterCriticalSection(&key_buf_crit_sect);
3296: #endif
1.1.1.51 root 3297: pcbios_set_key_buffer(0x00, 0x00);
1.1.1.35 root 3298: #ifdef USE_SERVICE_THREAD
3299: LeaveCriticalSection(&key_buf_crit_sect);
3300: #endif
1.1.1.33 root 3301: }
3302: ctrl_break_pressed = true;
3303: mem[0x471] = 0x80;
3304: raise_int_1bh = true;
3305: } else {
3306: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 3307: #ifdef USE_SERVICE_THREAD
3308: EnterCriticalSection(&key_buf_crit_sect);
3309: #endif
1.1.1.51 root 3310: pcbios_set_key_buffer(chr, scn);
1.1.1.35 root 3311: #ifdef USE_SERVICE_THREAD
3312: LeaveCriticalSection(&key_buf_crit_sect);
3313: #endif
1.1.1.33 root 3314: }
3315: ctrl_c_pressed = (scn == 0x2e);
3316: }
3317: } else {
3318: // break
3319: kbd_data |= 0x80;
1.1 root 3320: }
1.1.1.24 root 3321: result = key_changed = true;
1.1.1.36 root 3322: // IME may be on and it may causes screen scroll up and cursor position change
3323: cursor_moved = true;
1.1 root 3324: }
3325: }
3326: }
3327: }
1.1.1.35 root 3328: #ifdef USE_SERVICE_THREAD
3329: LeaveCriticalSection(&input_crit_sect);
3330: #endif
1.1.1.24 root 3331: return(result);
1.1.1.8 root 3332: }
3333:
1.1.1.14 root 3334: bool update_key_buffer()
1.1.1.8 root 3335: {
1.1.1.35 root 3336: if(update_console_input()) {
3337: return(true);
3338: }
3339: if(key_buf_char != NULL && key_buf_scan != NULL) {
3340: #ifdef USE_SERVICE_THREAD
3341: EnterCriticalSection(&key_buf_crit_sect);
3342: #endif
3343: bool empty = key_buf_char->empty();
3344: #ifdef USE_SERVICE_THREAD
3345: LeaveCriticalSection(&key_buf_crit_sect);
3346: #endif
3347: if(!empty) return(true);
3348: }
3349: return(false);
1.1.1.8 root 3350: }
3351:
1.1.1.20 root 3352: /* ----------------------------------------------------------------------------
3353: MS-DOS virtual machine
3354: ---------------------------------------------------------------------------- */
3355:
1.1.1.32 root 3356: static const struct {
1.1.1.33 root 3357: char *name;
3358: DWORD lcid;
3359: char *std;
3360: char *dlt;
3361: } tz_table[] = {
3362: // https://science.ksc.nasa.gov/software/winvn/userguide/3_1_4.htm
3363: // 0 GMT Greenwich Mean Time GMT0
3364: {"GMT Standard Time", 0x0809, "GMT", "BST"}, // (UTC+00:00) GB London (en-gb)
3365: {"GMT Standard Time", 0x1809, "GMT", "IST"}, // (UTC+00:00) IE Dublin (en-ie)
3366: {"GMT Standard Time", 0x0000, "WET", "WES"}, // (UTC+00:00) PT Lisbon
3367: {"Greenwich Standard Time", 0x0000, "GMT", "GST"}, // (UTC+00:00) IS Reykjavik
3368: // 2 FST FDT Fernando De Noronha Std FST2FDT
3369: {"Mid-Atlantic Standard Time", 0x0416, "FST", "FDT"}, // (UTC-02:00) BR Noronha (pt-br)
3370: {"UTC-02", 0x0416, "FST", "FDT"}, // (UTC-02:00) BR Noronha (pt-br)
3371: // 3 BST Brazil Standard Time BST3
3372: {"Bahia Standard Time", 0x0000, "BST", "BDT"}, // (UTC-03:00) BR Bahia
3373: {"SA Eastern Standard Time", 0x0000, "BST", "BDT"}, // (UTC-03:00) BR Fortaleza
3374: {"Tocantins Standard Time", 0x0000, "BST", "BDT"}, // (UTC-03:00) BR Palmas
3375: // 3 EST EDT Eastern Standard (Brazil) EST3EDT
3376: {"E. South America Standard Time", 0x0000, "EST", "EDT"}, // (UTC-03:00) BR Sao Paulo
3377: // 3 GST Greenland Standard Time GST3
3378: {"Greenland Standard Time", 0x0000, "GST", "GDT"}, // (UTC-03:00) GL Godthab
3379: // 3:30 NST NDT Newfoundland Standard Time NST3:30NDT
3380: {"Newfoundland Standard Time", 0x0000, "NST", "NDT"}, // (UTC-03:30) CA St.Johns
3381: // 4 AST ADT Atlantic Standard Time AST4ADT
3382: {"Atlantic Standard Time", 0x0000, "AST", "ADT"}, // (UTC-04:00) CA Halifax
3383: // 4 WST WDT Western Standard (Brazil) WST4WDT
3384: {"Central Brazilian Standard Time", 0x0000, "WST", "WDT"}, // (UTC-04:00) BR Cuiaba
3385: {"SA Western Standard Time", 0x0000, "WST", "WDT"}, // (UTC-04:00) BR Manaus
3386: // 5 EST EDT Eastern Standard Time EST5EDT
3387: {"Eastern Standard Time", 0x0000, "EST", "EDT"}, // (UTC-05:00) US New York
3388: {"Eastern Standard Time (Mexico)", 0x0000, "EST", "EDT"}, // (UTC-05:00) MX Cancun
3389: {"US Eastern Standard Time", 0x0000, "EST", "EDT"}, // (UTC-05:00) US Indianapolis
3390: // 5 CST CDT Chile Standard Time CST5CDT
3391: {"Pacific SA Standard Time", 0x0000, "CST", "CDT"}, // (UTC-04:00) CL Santiago
3392: // 5 AST ADT Acre Standard Time AST5ADT
3393: {"SA Pacific Standard Time", 0x0000, "AST", "ADT"}, // (UTC-05:00) BR Rio Branco
3394: // 5 CST CDT Cuba Standard Time CST5CDT
3395: {"Cuba Standard Time", 0x0000, "CST", "CDT"}, // (UTC-05:00) CU Havana
3396: // 6 CST CDT Central Standard Time CST6CDT
3397: {"Canada Central Standard Time", 0x0000, "CST", "CDT"}, // (UTC-06:00) CA Regina
3398: {"Central Standard Time", 0x0000, "CST", "CDT"}, // (UTC-06:00) US Chicago
3399: {"Central Standard Time (Mexico)", 0x0000, "CST", "CDT"}, // (UTC-06:00) MX Mexico City
3400: // 6 EST EDT Easter Island Standard EST6EDT
3401: {"Easter Island Standard Time", 0x0000, "EST", "EDT"}, // (UTC-06:00) CL Easter
3402: // 7 MST MDT Mountain Standard Time MST7MDT
3403: {"Mountain Standard Time", 0x0000, "MST", "MDT"}, // (UTC-07:00) US Denver
3404: {"Mountain Standard Time (Mexico)", 0x0000, "MST", "MDT"}, // (UTC-07:00) MX Chihuahua
3405: {"US Mountain Standard Time", 0x0000, "MST", "MDT"}, // (UTC-07:00) US Phoenix
3406: // 8 PST PDT Pacific Standard Time PST8PDT
3407: {"Pacific Standard Time", 0x0000, "PST", "PDT"}, // (UTC-08:00) US Los Angeles
3408: {"Pacific Standard Time (Mexico)", 0x0000, "PST", "PDT"}, // (UTC-08:00) MX Tijuana
3409: // 9 AKS AKD Alaska Standard Time AKS9AKD
3410: // 9 YST YDT Yukon Standard Time YST9YST
3411: {"Alaskan Standard Time", 0x0000, "AKS", "AKD"}, // (UTC-09:00) US Anchorage
3412: // 10 HST HDT Hawaii Standard Time HST10HDT
3413: {"Aleutian Standard Time", 0x0000, "HST", "HDT"}, // (UTC-10:00) US Aleutian
3414: {"Hawaiian Standard Time", 0x0000, "HST", "HDT"}, // (UTC-10:00) US Honolulu
3415: // 11 SST Samoa Standard Time SST11
3416: {"Samoa Standard Time", 0x0000, "SST", "SDT"}, // (UTC-11:00) US Samoa
3417: // -12 NZS NZD New Zealand Standard Time NZS-12NZD
3418: {"New Zealand Standard Time", 0x0000, "NZS", "NZD"}, // (UTC+12:00) NZ Auckland
3419: // -10 GST Guam Standard Time GST-10
3420: {"West Pacific Standard Time", 0x0000, "GST", "GDT"}, // (UTC+10:00) GU Guam
3421: // -10 EAS EAD Eastern Australian Standard EAS-10EAD
3422: {"AUS Eastern Standard Time", 0x0000, "EAS", "EAD"}, // (UTC+10:00) AU Sydney
3423: {"E. Australia Standard Time", 0x0000, "EAS", "EAD"}, // (UTC+10:00) AU Brisbane
3424: {"Tasmania Standard Time", 0x0000, "EAS", "EAD"}, // (UTC+10:00) AU Hobart
3425: // -9:30 CAS CAD Central Australian Standard CAS-9:30CAD
3426: {"AUS Central Standard Time", 0x0000, "CAS", "CAD"}, // (UTC+09:30) AU Darwin
3427: {"Cen. Australia Standard Time", 0x0000, "CAS", "CAD"}, // (UTC+09:30) AU Adelaide
3428: // -9 JST Japan Standard Time JST-9
3429: {"Tokyo Standard Time", 0x0000, "JST", "JDT"}, // (UTC+09:00) JP Tokyo
3430: // -9 KST KDT Korean Standard Time KST-9KDT
3431: {"Korea Standard Time", 0x0000, "KST", "KDT"}, // (UTC+09:00) KR Seoul
3432: {"North Korea Standard Time", 0x0000, "KST", "KDT"}, // (UTC+08:30) KP Pyongyang
3433: // -8 HKT Hong Kong Time HKT-8
3434: {"China Standard Time", 0x0C04, "HKT", "HKS"}, // (UTC+08:00) HK Hong Kong (zh-hk)
3435: // -8 CCT China Coast Time CCT-8
3436: {"China Standard Time", 0x0000, "CCT", "CDT"}, // (UTC+08:00) CN Shanghai
3437: {"Taipei Standard Time", 0x0000, "CCT", "CDT"}, // (UTC+08:00) TW Taipei
3438: // -8 SST Singapore Standard Time SST-8
3439: {"Singapore Standard Time", 0x0000, "SST", "SDT"}, // (UTC+08:00) SG Singapore
3440: // -8 WAS WAD Western Australian Standard WAS-8WAD
3441: {"Aus Central W. Standard Time", 0x0000, "WAS", "WAD"}, // (UTC+08:45) AU Eucla
3442: {"W. Australia Standard Time", 0x0000, "WAS", "WAD"}, // (UTC+08:00) AU Perth
3443: // -7:30 JT Java Standard Time JST-7:30
3444: // -7 NST North Sumatra Time NST-7
3445: {"SE Asia Standard Time", 0x0000, "NST", "NDT"}, // (UTC+07:00) ID Jakarta
3446: // -5:30 IST Indian Standard Time IST-5:30
3447: {"India Standard Time", 0x0000, "IST", "IDT"}, // (UTC+05:30) IN Calcutta
3448: // -3:30 IST IDT Iran Standard Time IST-3:30IDT
3449: {"Iran Standard Time", 0x0000, "IST", "IDT"}, // (UTC+03:30) IR Tehran
3450: // -3 MSK MSD Moscow Winter Time MSK-3MSD
3451: {"Belarus Standard Time", 0x0000, "MSK", "MSD"}, // (UTC+03:00) BY Minsk
3452: {"Russian Standard Time", 0x0000, "MSK", "MSD"}, // (UTC+03:00) RU Moscow
3453: // -2 EET Eastern Europe Time EET-2
3454: {"E. Europe Standard Time", 0x0000, "EET", "EES"}, // (UTC+02:00) MD Chisinau
3455: {"FLE Standard Time", 0x0000, "EET", "EES"}, // (UTC+02:00) UA Kiev
3456: {"GTB Standard Time", 0x0000, "EET", "EES"}, // (UTC+02:00) RO Bucharest
3457: {"Kaliningrad Standard Time", 0x0000, "EET", "EES"}, // (UTC+02:00) RU Kaliningrad
3458: // -2 IST IDT Israel Standard Time IST-2IDT
3459: {"Israel Standard Time", 0x0000, "IST", "IDT"}, // (UTC+02:00) IL Jerusalem
3460: // -1 MEZ MES Middle European Time MEZ-1MES
3461: // -1 SWT SST Swedish Winter Time SWT-1SST
3462: // -1 FWT FST French Winter Time FWT-1FST
3463: // -1 CET CES Central European Time CET-1CES
3464: {"Central Europe Standard Time", 0x0000, "CET", "CES"}, // (UTC+01:00) HU Budapest
3465: {"Central European Standard Time", 0x0000, "CET", "CES"}, // (UTC+01:00) PL Warsaw
3466: {"Romance Standard Time", 0x0000, "CET", "CES"}, // (UTC+01:00) FR Paris
3467: {"W. Europe Standard Time", 0x0000, "CET", "CES"}, // (UTC+01:00) DE Berlin
3468: // -1 WAT West African Time WAT-1
3469: {"Namibia Standard Time", 0x0000, "WAT", "WAS"}, // (UTC+01:00) NA Windhoek
3470: {"W. Central Africa Standard Time", 0x0000, "WAT", "WAS"}, // (UTC+01:00) NG Lagos
3471: // 0 UTC Universal Coordinated Time UTC0
3472: {"UTC", 0x0000, "UTC", "" }, // (UTC+00:00) GMT+0
3473: {"UTC-02", 0x0000, "UTC", "" }, // (UTC-02:00) GMT+2
3474: {"UTC-08", 0x0000, "UTC", "" }, // (UTC-08:00) GMT+8
3475: {"UTC-09", 0x0000, "UTC", "" }, // (UTC-09:00) GMT+9
3476: {"UTC-11", 0x0000, "UTC", "" }, // (UTC-11:00) GMT+11
3477: {"UTC+12", 0x0000, "UTC", "" }, // (UTC+12:00) GMT-12
3478: };
3479:
1.1.1.53 root 3480: // FIXME: consider to build on non-Japanese environment :-(
3481: // message_japanese string must be in shift-jis
3482:
1.1.1.33 root 3483: static const struct {
1.1.1.32 root 3484: UINT16 code;
3485: char *message_english;
3486: char *message_japanese;
3487: } standard_error_table[] = {
3488: {0x01, "Invalid function", "�����ȃt�@���N�V�����ł�."},
3489: {0x02, "File not found", "�t�@�C����������܂���."},
3490: {0x03, "Path not found", "�p�X��������܂���."},
3491: {0x04, "Too many open files", "�J����Ă���t�@�C�����������܂�."},
3492: {0x05, "Access denied", "�A�N�Z�X�͋��ۂ���܂���."},
3493: {0x06, "Invalid handle", "�����ȃn���h���ł�."},
3494: {0x07, "Memory control blocks destroyed", "����������u���b�N���j������܂���."},
3495: {0x08, "Insufficient memory", "������������܂���."},
3496: {0x09, "Invalid memory block address", "�����ȃ������u���b�N�̃A�h���X�ł�."},
3497: {0x0A, "Invalid Environment", "�����Ȋ��ł�."},
3498: {0x0B, "Invalid format", "�����ȃt�H�[�}�b�g�ł�."},
3499: {0x0C, "Invalid function parameter", "�����ȃt�@���N�V�����p�����[�^�ł�."},
3500: {0x0D, "Invalid data", "�����ȃf�[�^�ł�."},
3501: {0x0F, "Invalid drive specification", "�����ȃh���C�u�̎w��ł�."},
3502: {0x10, "Attempt to remove current directory", "���݂̃f�B���N�g�����폜���悤�Ƃ��܂���."},
3503: {0x11, "Not same device", "�����f�o�C�X�ł͂���܂���."},
3504: {0x12, "No more files", "�t�@�C���͂���ȏ゠��܂���."},
3505: {0x13, "Write protect error", "�������ݕی�G���[�ł�."},
3506: {0x14, "Invalid unit", "�����ȃ��j�b�g�ł�."},
3507: {0x15, "Not ready", "�������ł��Ă��܂���."},
3508: {0x16, "Invalid device request", "�����ȃf�o�C�X�v���ł�."},
3509: {0x17, "Data error", "�f�[�^�G���[�ł�."},
3510: {0x18, "Invalid device request parameters", "�����ȃf�o�C�X�v���̃p�����[�^�ł�."},
3511: {0x19, "Seek error", "�V�[�N�G���[�ł�."},
3512: {0x1A, "Invalid media type", "�����ȃ��f�B�A�̎�ނł�."},
3513: {0x1B, "Sector not found", "�Z�N�^��������܂���."},
3514: {0x1C, "Printer out of paper error", "�v�����^�̗p��������܂���."},
3515: {0x1D, "Write fault error", "�������݃G���[�ł�."},
3516: {0x1E, "Read fault error", "�ǂݎ��G���[�ł�."},
3517: {0x1F, "General failure", "�G���[�ł�."},
3518: {0x20, "Sharing violation", "���L�ᔽ�ł�."},
3519: {0x21, "Lock violation", "���b�N�ᔽ�ł�."},
3520: {0x22, "Invalid disk change", "�����ȃf�B�X�N�̌����ł�."},
3521: {0x23, "FCB unavailable", "FCB �͎g���܂���."},
3522: {0x24, "System resource exhausted", "�V�X�e�����\�[�X�͂����g���܂���."},
3523: {0x25, "Code page mismatch", "�R�[�h �y�[�W����v���܂���."},
3524: {0x26, "Out of input", "���͂��I���܂���."},
3525: {0x27, "Insufficient disk space", "�f�B�X�N�̋̈悪����܂���."},
3526: /*
3527: {0x32, "Network request not supported", NULL},
3528: {0x33, "Remote computer not listening", NULL},
3529: {0x34, "Duplicate name on network", NULL},
3530: {0x35, "Network name not found", NULL},
3531: {0x36, "Network busy", NULL},
3532: {0x37, "Network device no longer exists", NULL},
3533: {0x38, "Network BIOS command limit exceeded", NULL},
3534: {0x39, "Network adapter hardware error", NULL},
3535: {0x3A, "Incorrect response from network", NULL},
3536: {0x3B, "Unexpected network error", NULL},
3537: {0x3C, "Incompatible remote adapter", NULL},
3538: {0x3D, "Print queue full", NULL},
3539: {0x3E, "Queue not full", NULL},
3540: {0x3F, "Not enough space to print file", NULL},
3541: {0x40, "Network name was deleted", NULL},
3542: {0x41, "Network: Access denied", NULL},
3543: {0x42, "Network device type incorrect", NULL},
3544: {0x43, "Network name not found", NULL},
3545: {0x44, "Network name limit exceeded", NULL},
3546: {0x45, "Network BIOS session limit exceeded", NULL},
3547: {0x46, "Temporarily paused", NULL},
3548: {0x47, "Network request not accepted", NULL},
3549: {0x48, "Network print/disk redirection paused", NULL},
3550: {0x49, "Network software not installed", NULL},
3551: {0x4A, "Unexpected adapter close", NULL},
3552: */
3553: {0x50, "File exists", "�t�@�C���͑��݂��܂�."},
1.1.1.33 root 3554: {0x52, "Cannot make directory entry", "�f�B���N�g���G���g�����쐬�ł��܂���."},
1.1.1.32 root 3555: {0x53, "Fail on INT 24", "INT 24 �Ŏ��s���܂���."},
3556: {0x54, "Too many redirections", "���_�C���N�g���������܂�."},
3557: {0x55, "Duplicate redirection", "���_�C���N�g���d�����Ă��܂�."},
3558: {0x56, "Invalid password", "�p�X���[�h���Ⴂ�܂�."},
3559: {0x57, "Invalid parameter", "�p�����[�^�̎w�肪�Ⴂ�܂�."},
3560: {0x58, "Network data fault", "�l�b�g���[�N�f�[�^�̃G���[�ł�."},
3561: {0x59, "Function not supported by network", "�t�@���N�V�����̓l�b�g���[�N�ŃT�|�[�g����Ă��܂���."},
3562: {0x5A, "Required system component not installe", "�K�v�ȃV�X�e�� �R���|�[�l���g���g�ݍ��܂�Ă��܂���."},
1.1.1.53 root 3563: #ifdef SUPPORT_MSCDEX
1.1.1.32 root 3564: {0x64, "Unknown error", "�s���ȃG���[�ł�."},
3565: {0x65, "Not ready", "�������ł��Ă��܂���."},
3566: {0x66, "EMS memory no longer valid", "EMS �������͂����L���ł͂���܂���."},
3567: {0x67, "CDROM not High Sierra or ISO-9660 format", "CDROM �� High Sierra �܂��� ISO-9660 �t�H�[�}�b�g�ł͂���܂���."},
3568: {0x68, "Door open", "���o�[���܂��Ă��܂���."
1.1.1.53 root 3569: #endif
1.1.1.32 root 3570: {0xB0, "Volume is not locked", "�{�����[�������b�N����Ă��܂���."},
3571: {0xB1, "Volume is locked in drive", "�{�����[�������b�N����Ă��܂�."},
3572: {0xB2, "Volume is not removable", "�{�����[���͎��O���ł��܂���."},
3573: {0xB4, "Lock count has been exceeded", "�{�����[��������ȏネ�b�N�ł��܂���."},
3574: {0xB5, "A valid eject request failed", "���o���Ɏ��s���܂���."},
3575: {-1 , "Unknown error", "�s���ȃG���[�ł�."},
3576: };
3577:
3578: static const struct {
3579: UINT16 code;
3580: char *message_english;
3581: char *message_japanese;
3582: } param_error_table[] = {
3583: {0x01, "Too many parameters", "�p�����[�^���������܂�."},
3584: {0x02, "Required parameter missing", "�p�����[�^������܂���."},
3585: {0x03, "Invalid switch", "�����ȃX�C�b�`�ł�."},
3586: {0x04, "Invalid keyword", "�����ȃL�[���[�h�ł�."},
3587: {0x06, "Parameter value not in allowed range", "�p�����[�^�̒l���͈͂��Ă��܂�."},
3588: {0x07, "Parameter value not allowed", "���̃p�����[�^�̒l�͎g���܂���."},
3589: {0x08, "Parameter value not allowed", "���̃p�����[�^�̒l�͎g���܂���."},
3590: {0x09, "Parameter format not correct", "�p�����[�^�̏������Ⴂ�܂�."},
3591: {0x0A, "Invalid parameter", "�����ȃp�����[�^�ł�."},
3592: {0x0B, "Invalid parameter combination", "�����ȃp�����[�^�̑g�ݍ��킹�ł�."},
3593: {-1 , "Unknown error", "�s���ȃG���[�ł�."},
3594: };
3595:
3596: static const struct {
3597: UINT16 code;
3598: char *message_english;
3599: char *message_japanese;
3600: } critical_error_table[] = {
3601: {0x00, "Write protect error", "�������ݕی�G���[�ł�."},
3602: {0x01, "Invalid unit", "�����ȃ��j�b�g�ł�."},
3603: {0x02, "Not ready", "�������ł��Ă��܂���."},
3604: {0x03, "Invalid device request", "�����ȃf�o�C�X�v���ł�."},
3605: {0x04, "Data error", "�f�[�^�G���[�ł�."},
3606: {0x05, "Invalid device request parameters", "�����ȃf�o�C�X�v���̃p�����[�^�ł�."},
3607: {0x06, "Seek error", "�V�[�N�G���[�ł�."},
3608: {0x07, "Invalid media type", "�����ȃ��f�B�A�̎�ނł�."},
3609: {0x08, "Sector not found", "�Z�N�^��������܂���."},
3610: {0x09, "Printer out of paper error", "�v�����^�̗p��������܂���."},
3611: {0x0A, "Write fault error", "�������݃G���[�ł�."},
3612: {0x0B, "Read fault error", "�ǂݎ��G���[�ł�."},
3613: {0x0C, "General failure", "�G���[�ł�."},
3614: {0x0D, "Sharing violation", "���L�ᔽ�ł�."},
3615: {0x0E, "Lock violation", "���b�N�ᔽ�ł�."},
3616: {0x0F, "Invalid disk change", "�����ȃf�B�X�N�̌����ł�."},
3617: {0x10, "FCB unavailable", "FCB �͎g���܂���."},
3618: {0x11, "System resource exhausted", "�V�X�e�����\�[�X�͂����g���܂���."},
3619: {0x12, "Code page mismatch", "�R�[�h �y�[�W����v���܂���."},
3620: {0x13, "Out of input", "���͂��I���܂���."},
3621: {0x14, "Insufficient disk space", "�f�B�X�N�̋̈悪����܂���."},
3622: {-1 , "Critical error", "�v���I�ȃG���[�ł�."},
3623: };
3624:
1.1.1.20 root 3625: void msdos_psp_set_file_table(int fd, UINT8 value, int psp_seg);
3626: int msdos_psp_get_file_table(int fd, int psp_seg);
3627: void msdos_putch(UINT8 data);
1.1.1.50 root 3628: void msdos_putch_fast(UINT8 data);
1.1.1.35 root 3629: #ifdef USE_SERVICE_THREAD
3630: void msdos_putch_tmp(UINT8 data);
3631: #endif
1.1.1.45 root 3632: const char *msdos_short_path(const char *path);
1.1.1.44 root 3633: bool msdos_is_valid_drive(int drv);
3634: bool msdos_is_removable_drive(int drv);
3635: bool msdos_is_cdrom_drive(int drv);
3636: bool msdos_is_remote_drive(int drv);
3637: bool msdos_is_subst_drive(int drv);
1.1.1.20 root 3638:
1.1 root 3639: // process info
3640:
3641: process_t *msdos_process_info_create(UINT16 psp_seg)
3642: {
3643: for(int i = 0; i < MAX_PROCESS; i++) {
3644: if(process[i].psp == 0 || process[i].psp == psp_seg) {
3645: memset(&process[i], 0, sizeof(process_t));
3646: process[i].psp = psp_seg;
3647: return(&process[i]);
3648: }
3649: }
3650: fatalerror("too many processes\n");
3651: return(NULL);
3652: }
3653:
1.1.1.52 root 3654: process_t *msdos_process_info_get(UINT16 psp_seg, bool show_error = true)
1.1 root 3655: {
3656: for(int i = 0; i < MAX_PROCESS; i++) {
3657: if(process[i].psp == psp_seg) {
3658: return(&process[i]);
3659: }
3660: }
1.1.1.33 root 3661: if(show_error) {
3662: fatalerror("invalid psp address\n");
3663: }
1.1 root 3664: return(NULL);
3665: }
3666:
1.1.1.23 root 3667: void msdos_sda_update(int psp_seg)
3668: {
3669: sda_t *sda = (sda_t *)(mem + SDA_TOP);
3670:
3671: for(int i = 0; i < MAX_PROCESS; i++) {
3672: if(process[i].psp == psp_seg) {
3673: sda->switchar = process[i].switchar;
3674: sda->current_dta.w.l = process[i].dta.w.l;
3675: sda->current_dta.w.h = process[i].dta.w.h;
3676: sda->current_psp = process[i].psp;
3677: break;
3678: }
3679: }
3680: sda->malloc_strategy = malloc_strategy;
3681: sda->return_code = retval;
3682: sda->current_drive = _getdrive();
3683: }
3684:
1.1.1.13 root 3685: // dta info
3686:
3687: void msdos_dta_info_init()
3688: {
1.1.1.14 root 3689: for(int i = 0; i < MAX_DTAINFO; i++) {
1.1.1.13 root 3690: dtalist[i].find_handle = INVALID_HANDLE_VALUE;
3691: }
3692: }
3693:
3694: dtainfo_t *msdos_dta_info_get(UINT16 psp_seg, UINT32 dta_laddr)
3695: {
3696: dtainfo_t *free_dta = NULL;
1.1.1.14 root 3697: for(int i = 0; i < MAX_DTAINFO; i++) {
3698: if(dtalist[i].find_handle == INVALID_HANDLE_VALUE) {
3699: if(free_dta == NULL) {
1.1.1.13 root 3700: free_dta = &dtalist[i];
3701: }
1.1.1.14 root 3702: } else if(dta_laddr < LFN_DTA_LADDR && dtalist[i].dta == dta_laddr) {
1.1.1.13 root 3703: return(&dtalist[i]);
3704: }
3705: }
1.1.1.14 root 3706: if(free_dta) {
1.1.1.13 root 3707: free_dta->psp = psp_seg;
3708: free_dta->dta = dta_laddr;
3709: return(free_dta);
3710: }
3711: fatalerror("too many dta\n");
3712: return(NULL);
3713: }
3714:
3715: void msdos_dta_info_free(UINT16 psp_seg)
3716: {
1.1.1.14 root 3717: for(int i = 0; i < MAX_DTAINFO; i++) {
3718: if(dtalist[i].psp == psp_seg && dtalist[i].find_handle != INVALID_HANDLE_VALUE) {
1.1.1.13 root 3719: FindClose(dtalist[i].find_handle);
3720: dtalist[i].find_handle = INVALID_HANDLE_VALUE;
3721: }
3722: }
3723: }
3724:
1.1 root 3725: void msdos_cds_update(int drv)
3726: {
1.1.1.44 root 3727: cds_t *cds = (cds_t *)(mem + CDS_TOP + 88 * drv);
1.1 root 3728:
1.1.1.44 root 3729: memset(cds, 0, 88);
3730:
3731: if(msdos_is_valid_drive(drv)) {
3732: char path[MAX_PATH];
3733: if(msdos_is_remote_drive(drv)) {
3734: cds->drive_attrib = 0xc000; // network drive
3735: } else if(msdos_is_subst_drive(drv)) {
3736: cds->drive_attrib = 0x5000; // subst drive
3737: } else {
3738: cds->drive_attrib = 0x4000; // physical drive
3739: }
3740: if(_getdcwd(drv + 1, path, MAX_PATH) != NULL) {
3741: strcpy_s(cds->path_name, sizeof(cds->path_name), msdos_short_path(path));
3742: }
3743: }
3744: if(cds->path_name[0] == '\0') {
3745: sprintf(cds->path_name, "%c:\\", 'A' + drv);
3746: }
3747: cds->dpb_ptr.w.h = DPB_TOP >> 4;
3748: cds->dpb_ptr.w.l = sizeof(dpb_t) * drv;
3749: cds->word_1 = cds->word_2 = 0xffff;
3750: cds->word_3 = 0xffff; // stored user data from INT 21/AX=5F03h if this is network drive
3751: cds->bs_offset = 2;
3752: }
3753:
1.1.1.45 root 3754: void msdos_cds_update(int drv, const char *path)
1.1.1.44 root 3755: {
3756: cds_t *cds = (cds_t *)(mem + CDS_TOP + 88 * drv);
3757:
3758: strcpy_s(cds->path_name, sizeof(cds->path_name), msdos_short_path(path));
1.1 root 3759: }
3760:
1.1.1.17 root 3761: // nls information tables
3762:
3763: // uppercase table (func 6502h)
3764: void msdos_upper_table_update()
3765: {
3766: *(UINT16 *)(mem + UPPERTABLE_TOP) = 0x80;
1.1.1.22 root 3767: for(unsigned i = 0; i < 0x80; ++i) {
1.1.1.17 root 3768: UINT8 c[4];
1.1.1.33 root 3769: *(UINT32 *)c = 0; // reset internal conversion state
3770: CharUpperBuffA((LPSTR)c, 4); // (workaround for MBCS codepage)
1.1.1.17 root 3771: c[0] = 0x80 + i;
3772: DWORD rc = CharUpperBuffA((LPSTR)c, 1);
3773: mem[UPPERTABLE_TOP + 2 + i] = (rc == 1 && c[0]) ? c[0] : 0x80 + i;
3774: }
3775: }
3776:
1.1.1.23 root 3777: // lowercase table (func 6503h)
3778: void msdos_lower_table_update()
3779: {
3780: *(UINT16 *)(mem + LOWERTABLE_TOP) = 0x80;
3781: for(unsigned i = 0; i < 0x80; ++i) {
3782: UINT8 c[4];
1.1.1.33 root 3783: *(UINT32 *)c = 0; // reset internal conversion state
3784: CharLowerBuffA((LPSTR)c, 4); // (workaround for MBCS codepage)
1.1.1.23 root 3785: c[0] = 0x80 + i;
3786: DWORD rc = CharLowerBuffA((LPSTR)c, 1);
3787: mem[LOWERTABLE_TOP + 2 + i] = (rc == 1 && c[0]) ? c[0] : 0x80 + i;
3788: }
3789: }
3790:
1.1.1.17 root 3791: // filename uppercase table (func 6504h)
3792: void msdos_filename_upper_table_init()
3793: {
3794: // depended on (file)system, not on active codepage
3795: // temporary solution: just filling data
3796: *(UINT16 *)(mem + FILENAME_UPPERTABLE_TOP) = 0x80;
1.1.1.22 root 3797: for(unsigned i = 0; i < 0x80; ++i) {
1.1.1.17 root 3798: mem[FILENAME_UPPERTABLE_TOP + 2 + i] = 0x80 + i;
3799: }
3800: }
3801:
3802: // filaname terminator table (func 6505h)
3803: void msdos_filename_terminator_table_init()
3804: {
3805: const char illegal_chars[] = ".\"/\\[]:|<>+=;,"; // for standard MS-DOS fs.
3806: UINT8 *data = mem + FILENAME_TERMINATOR_TOP;
3807:
3808: data[2] = 1; // marker? (permissible character value)
3809: data[3] = 0x00; // 00h...FFh
3810: data[4] = 0xff;
3811: data[5] = 0; // marker? (excluded character)
3812: data[6] = 0x00; // 00h...20h
3813: data[7] = 0x20;
3814: data[8] = 2; // marker? (illegal characters for filename)
3815: data[9] = (UINT8)strlen(illegal_chars);
3816: memcpy(data + 10, illegal_chars, data[9]);
3817:
3818: // total length
3819: *(UINT16 *)data = (10 - 2) + data[9];
3820: }
3821:
3822: // collating table (func 6506h)
3823: void msdos_collating_table_update()
3824: {
3825: // temporary solution: just filling data
3826: *(UINT16 *)(mem + COLLATING_TABLE_TOP) = 0x100;
1.1.1.22 root 3827: for(unsigned i = 0; i < 256; ++i) {
1.1.1.17 root 3828: mem[COLLATING_TABLE_TOP + 2 + i] = i;
3829: }
3830: }
3831:
1.1 root 3832: // dbcs
3833:
3834: void msdos_dbcs_table_update()
3835: {
3836: UINT8 dbcs_data[DBCS_SIZE];
3837: memset(dbcs_data, 0, sizeof(dbcs_data));
3838:
3839: CPINFO info;
3840: GetCPInfo(active_code_page, &info);
3841:
3842: if(info.MaxCharSize != 1) {
3843: for(int i = 0;; i += 2) {
3844: UINT8 lo = info.LeadByte[i + 0];
3845: UINT8 hi = info.LeadByte[i + 1];
3846: dbcs_data[2 + i + 0] = lo;
3847: dbcs_data[2 + i + 1] = hi;
3848: if(lo == 0 && hi == 0) {
3849: dbcs_data[0] = i + 2;
3850: break;
3851: }
3852: }
3853: } else {
3854: dbcs_data[0] = 2; // ???
3855: }
3856: memcpy(mem + DBCS_TOP, dbcs_data, sizeof(dbcs_data));
3857: }
3858:
1.1.1.17 root 3859: void msdos_dbcs_table_finish()
3860: {
1.1.1.32 root 3861: if(system_code_page != _getmbcp()) {
1.1.1.17 root 3862: _setmbcp(system_code_page);
3863: }
1.1.1.32 root 3864: if(console_code_page != GetConsoleCP()) {
3865: SetConsoleCP(console_code_page);
3866: SetConsoleOutputCP(console_code_page);
3867: }
1.1.1.17 root 3868: }
3869:
3870: void msdos_nls_tables_init()
1.1 root 3871: {
1.1.1.32 root 3872: active_code_page = console_code_page = GetConsoleCP();
3873: system_code_page = _getmbcp();
3874:
3875: if(active_code_page != system_code_page) {
3876: if(_setmbcp(active_code_page) != 0) {
3877: active_code_page = system_code_page;
3878: }
3879: }
3880:
1.1.1.17 root 3881: msdos_upper_table_update();
1.1.1.23 root 3882: msdos_lower_table_update();
1.1.1.17 root 3883: msdos_filename_terminator_table_init();
3884: msdos_filename_upper_table_init();
3885: msdos_collating_table_update();
1.1 root 3886: msdos_dbcs_table_update();
3887: }
3888:
1.1.1.17 root 3889: void msdos_nls_tables_update()
1.1 root 3890: {
1.1.1.17 root 3891: msdos_dbcs_table_update();
3892: msdos_upper_table_update();
1.1.1.23 root 3893: msdos_lower_table_update();
3894: // msdos_collating_table_update();
1.1 root 3895: }
3896:
3897: int msdos_lead_byte_check(UINT8 code)
3898: {
3899: UINT8 *dbcs_table = mem + DBCS_TABLE;
3900:
3901: for(int i = 0;; i += 2) {
3902: UINT8 lo = dbcs_table[i + 0];
3903: UINT8 hi = dbcs_table[i + 1];
3904: if(lo == 0 && hi == 0) {
3905: break;
3906: }
3907: if(lo <= code && code <= hi) {
3908: return(1);
3909: }
3910: }
3911: return(0);
3912: }
3913:
1.1.1.20 root 3914: int msdos_ctrl_code_check(UINT8 code)
3915: {
1.1.1.22 root 3916: return (code >= 0x01 && code <= 0x1a && code != 0x07 && code != 0x08 && code != 0x09 && code != 0x0a && code != 0x0d);
1.1.1.20 root 3917: }
3918:
1.1.1.36 root 3919: int msdos_kanji_2nd_byte_check(UINT8 *buf, int n)
3920: {
3921: int is_kanji_1st = 0;
3922: int is_kanji_2nd = 0;
3923:
3924: for(int p = 0;; p++) {
3925: if(is_kanji_1st) {
3926: is_kanji_1st = 0;
3927: is_kanji_2nd = 1;
3928: } else if(msdos_lead_byte_check(buf[p])) {
3929: is_kanji_1st = 1;
3930: }
3931: if(p == n) {
3932: return(is_kanji_2nd);
3933: }
3934: is_kanji_2nd = 0;
3935: }
3936: }
3937:
1.1 root 3938: // file control
3939:
1.1.1.45 root 3940: const char *msdos_remove_double_quote(const char *path)
1.1.1.14 root 3941: {
3942: static char tmp[MAX_PATH];
3943:
3944: if(strlen(path) >= 2 && path[0] == '"' && path[strlen(path) - 1] == '"') {
1.1.1.45 root 3945: memset(tmp, 0, sizeof(tmp));
1.1.1.14 root 3946: memcpy(tmp, path + 1, strlen(path) - 2);
3947: } else {
3948: strcpy(tmp, path);
3949: }
3950: return(tmp);
3951: }
3952:
1.1.1.45 root 3953: const char *msdos_remove_end_separator(const char *path)
1.1.1.32 root 3954: {
3955: static char tmp[MAX_PATH];
3956:
3957: strcpy(tmp, path);
1.1.1.45 root 3958:
3959: // for example "C:\" case, the end separator should not be removed
3960: if(strlen(tmp) > 3 && tmp[strlen(tmp) - 1] == '\\') {
3961: tmp[strlen(tmp) - 1] = '\0';
1.1.1.32 root 3962: }
3963: return(tmp);
3964: }
3965:
1.1.1.45 root 3966: const char *msdos_combine_path(const char *dir, const char *file)
1.1.1.14 root 3967: {
3968: static char tmp[MAX_PATH];
1.1.1.45 root 3969: const char *tmp_dir = msdos_remove_double_quote(dir);
1.1.1.14 root 3970:
3971: if(strlen(tmp_dir) == 0) {
3972: strcpy(tmp, file);
3973: } else if(tmp_dir[strlen(tmp_dir) - 1] == '\\') {
3974: sprintf(tmp, "%s%s", tmp_dir, file);
3975: } else {
3976: sprintf(tmp, "%s\\%s", tmp_dir, file);
3977: }
3978: return(tmp);
3979: }
3980:
1.1.1.45 root 3981: const char *msdos_trimmed_path(const char *path, int lfn)
1.1 root 3982: {
3983: static char tmp[MAX_PATH];
3984:
3985: if(lfn) {
3986: strcpy(tmp, path);
3987: } else {
3988: // remove space in the path
1.1.1.45 root 3989: const char *src = path;
3990: char *dst = tmp;
1.1 root 3991:
3992: while(*src != '\0') {
3993: if(msdos_lead_byte_check(*src)) {
3994: *dst++ = *src++;
3995: *dst++ = *src++;
3996: } else if(*src != ' ') {
3997: *dst++ = *src++;
3998: } else {
3999: src++; // skip space
4000: }
4001: }
4002: *dst = '\0';
4003: }
1.1.1.14 root 4004: if(_stricmp(tmp, "C:\\COMMAND.COM") == 0) {
4005: // redirect C:\COMMAND.COM to comspec_path
4006: strcpy(tmp, comspec_path);
4007: } else if(is_vista_or_later && _access(tmp, 0) != 0) {
4008: // redirect new files (without wildcards) in C:\ to %TEMP%, since C:\ is not usually writable
4009: static int root_drive_protected = -1;
4010: char temp[MAX_PATH], name[MAX_PATH], *name_temp = NULL;
4011: dos_info_t *dos_info = (dos_info_t *)(mem + DOS_INFO_TOP);
4012:
4013: if(GetFullPathName(tmp, MAX_PATH, temp, &name_temp) != 0 &&
4014: name_temp != NULL && strstr(name_temp, "?") == NULL && strstr(name_temp, "*") == NULL) {
4015: strcpy(name, name_temp);
4016: name_temp[0] = '\0';
4017:
4018: if((temp[0] == 'A' + dos_info->boot_drive - 1 || temp[0] == 'a' + dos_info->boot_drive - 1) &&
4019: (temp[1] == ':') && (temp[2] == '\\' || temp[2] == '/') && (temp[3] == '\0')) {
4020: if(root_drive_protected == -1) {
4021: FILE *fp = NULL;
4022:
4023: sprintf(temp, "%c:\\MS-DOS_Player.$$$", 'A' + dos_info->boot_drive - 1);
4024: root_drive_protected = 1;
4025: try {
4026: if((fp = fopen(temp, "w")) != NULL) {
4027: if(fprintf(fp, "TEST") == 4) {
4028: root_drive_protected = 0;
4029: }
4030: }
4031: } catch(...) {
4032: }
4033: if(fp != NULL) {
4034: fclose(fp);
4035: }
4036: if(_access(temp, 0) == 0) {
4037: remove(temp);
4038: }
4039: }
4040: if(root_drive_protected == 1) {
4041: if(GetEnvironmentVariable("TEMP", temp, MAX_PATH) != 0 ||
4042: GetEnvironmentVariable("TMP", temp, MAX_PATH) != 0) {
4043: strcpy(tmp, msdos_combine_path(temp, name));
4044: }
4045: }
4046: }
4047: }
4048: }
1.1 root 4049: return(tmp);
4050: }
4051:
1.1.1.45 root 4052: const char *msdos_get_multiple_short_path(const char *src)
1.1.1.28 root 4053: {
1.1.1.32 root 4054: // "LONGPATH\";"LONGPATH\";"LONGPATH\" to SHORTPATH;SHORTPATH;SHORTPATH
1.1.1.28 root 4055: static char env_path[ENV_SIZE];
4056: char tmp[ENV_SIZE], *token;
4057:
4058: memset(env_path, 0, sizeof(env_path));
4059: strcpy(tmp, src);
4060: token = my_strtok(tmp, ";");
4061:
4062: while(token != NULL) {
4063: if(token[0] != '\0') {
1.1.1.45 root 4064: const char *path = msdos_remove_double_quote(token);
4065: char short_path[MAX_PATH];
1.1.1.32 root 4066: if(path != NULL && strlen(path) != 0) {
4067: if(env_path[0] != '\0') {
4068: strcat(env_path, ";");
4069: }
1.1.1.28 root 4070: if(GetShortPathName(path, short_path, MAX_PATH) == 0) {
1.1.1.32 root 4071: strcat(env_path, msdos_remove_end_separator(path));
1.1.1.28 root 4072: } else {
4073: my_strupr(short_path);
1.1.1.32 root 4074: strcat(env_path, msdos_remove_end_separator(short_path));
1.1.1.28 root 4075: }
4076: }
4077: }
4078: token = my_strtok(NULL, ";");
4079: }
4080: return(env_path);
4081: }
4082:
1.1.1.45 root 4083: bool match(const char *text, const char *pattern)
1.1 root 4084: {
1.1.1.24 root 4085: // http://www.prefield.com/algorithm/string/wildcard.html
1.1.1.14 root 4086: switch(*pattern) {
1.1 root 4087: case '\0':
4088: return !*text;
4089: case '*':
1.1.1.14 root 4090: return match(text, pattern + 1) || (*text && match(text + 1, pattern));
1.1 root 4091: case '?':
4092: return *text && match(text + 1, pattern + 1);
4093: default:
4094: return (*text == *pattern) && match(text + 1, pattern + 1);
4095: }
4096: }
4097:
1.1.1.45 root 4098: bool msdos_match_volume_label(const char *path, const char *volume)
1.1 root 4099: {
1.1.1.45 root 4100: const char *p = NULL;
1.1 root 4101:
1.1.1.14 root 4102: if(!*volume) {
4103: return false;
4104: } else if((p = my_strchr(path, ':')) != NULL) {
1.1 root 4105: return msdos_match_volume_label(p + 1, volume);
4106: } else if((p = my_strchr(path, '\\')) != NULL) {
4107: return msdos_match_volume_label(p + 1, volume);
4108: } else if((p = my_strchr(path, '.')) != NULL) {
1.1.1.14 root 4109: char tmp[MAX_PATH];
4110: sprintf(tmp, "%.*s%s", (int)(p - path), path, p + 1);
4111: return match(volume, tmp);
1.1 root 4112: } else {
4113: return match(volume, path);
4114: }
4115: }
4116:
1.1.1.45 root 4117: const char *msdos_fcb_path(fcb_t *fcb)
1.1 root 4118: {
4119: static char tmp[MAX_PATH];
4120: char name[9], ext[4];
4121:
4122: memset(name, 0, sizeof(name));
4123: memcpy(name, fcb->file_name, 8);
4124: strcpy(name, msdos_trimmed_path(name, 0));
4125:
4126: memset(ext, 0, sizeof(ext));
4127: memcpy(ext, fcb->file_name + 8, 3);
4128: strcpy(ext, msdos_trimmed_path(ext, 0));
4129:
4130: if(name[0] == '\0' || strcmp(name, "????????") == 0) {
4131: strcpy(name, "*");
4132: }
4133: if(ext[0] == '\0') {
4134: strcpy(tmp, name);
4135: } else {
4136: if(strcmp(ext, "???") == 0) {
4137: strcpy(ext, "*");
4138: }
4139: sprintf(tmp, "%s.%s", name, ext);
4140: }
4141: return(tmp);
4142: }
4143:
1.1.1.45 root 4144: void msdos_set_fcb_path(fcb_t *fcb, const char *path)
1.1 root 4145: {
4146: char *ext = my_strchr(path, '.');
4147:
4148: memset(fcb->file_name, 0x20, 8 + 3);
4149: if(ext != NULL && path[0] != '.') {
4150: *ext = '\0';
4151: memcpy(fcb->file_name + 8, ext + 1, strlen(ext + 1));
4152: }
4153: memcpy(fcb->file_name, path, strlen(path));
4154: }
4155:
1.1.1.45 root 4156: const char *msdos_short_path(const char *path)
1.1 root 4157: {
4158: static char tmp[MAX_PATH];
4159:
1.1.1.24 root 4160: if(GetShortPathName(path, tmp, MAX_PATH) == 0) {
4161: strcpy(tmp, path);
4162: }
1.1 root 4163: my_strupr(tmp);
4164: return(tmp);
4165: }
4166:
1.1.1.45 root 4167: const char *msdos_short_name(WIN32_FIND_DATA *fd)
1.1.1.13 root 4168: {
4169: static char tmp[MAX_PATH];
1.1.1.45 root 4170:
1.1.1.14 root 4171: if(fd->cAlternateFileName[0]) {
1.1.1.13 root 4172: strcpy(tmp, fd->cAlternateFileName);
4173: } else {
4174: strcpy(tmp, fd->cFileName);
4175: }
4176: my_strupr(tmp);
4177: return(tmp);
4178: }
4179:
1.1.1.45 root 4180: const char *msdos_short_full_path(const char *path)
1.1 root 4181: {
4182: static char tmp[MAX_PATH];
4183: char full[MAX_PATH], *name;
4184:
1.1.1.14 root 4185: // Full works with non-existent files, but Short does not
1.1 root 4186: GetFullPathName(path, MAX_PATH, full, &name);
1.1.1.14 root 4187: *tmp = '\0';
4188: if(GetShortPathName(full, tmp, MAX_PATH) == 0 && name > path) {
4189: name[-1] = '\0';
4190: DWORD len = GetShortPathName(full, tmp, MAX_PATH);
4191: if(len == 0) {
4192: strcpy(tmp, full);
4193: } else {
4194: tmp[len++] = '\\';
4195: strcpy(tmp + len, name);
4196: }
4197: }
1.1 root 4198: my_strupr(tmp);
4199: return(tmp);
4200: }
4201:
1.1.1.45 root 4202: const char *msdos_short_full_dir(const char *path)
1.1 root 4203: {
4204: static char tmp[MAX_PATH];
4205: char full[MAX_PATH], *name;
4206:
4207: GetFullPathName(path, MAX_PATH, full, &name);
4208: name[-1] = '\0';
1.1.1.24 root 4209: if(GetShortPathName(full, tmp, MAX_PATH) == 0) {
4210: strcpy(tmp, full);
4211: }
1.1 root 4212: my_strupr(tmp);
4213: return(tmp);
4214: }
4215:
1.1.1.45 root 4216: const char *msdos_local_file_path(const char *path, int lfn)
1.1 root 4217: {
1.1.1.45 root 4218: static char trimmed[MAX_PATH];
4219:
4220: strcpy(trimmed, msdos_trimmed_path(path, lfn));
1.1.1.14 root 4221: #if 0
4222: // I have forgotten the reason of this routine... :-(
1.1 root 4223: if(_access(trimmed, 0) != 0) {
4224: process_t *process = msdos_process_info_get(current_psp);
4225: static char tmp[MAX_PATH];
4226:
4227: sprintf(tmp, "%s\\%s", process->module_dir, trimmed);
4228: if(_access(tmp, 0) == 0) {
4229: return(tmp);
4230: }
4231: }
1.1.1.14 root 4232: #endif
1.1 root 4233: return(trimmed);
4234: }
4235:
1.1.1.45 root 4236: bool msdos_is_device_path(const char *path)
1.1.1.11 root 4237: {
4238: char full[MAX_PATH], *name;
4239:
1.1.1.24 root 4240: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
1.1.1.29 root 4241: if(_stricmp(full, "\\\\.\\AUX" ) == 0 ||
4242: _stricmp(full, "\\\\.\\CON" ) == 0 ||
4243: _stricmp(full, "\\\\.\\NUL" ) == 0 ||
4244: _stricmp(full, "\\\\.\\PRN" ) == 0 ||
4245: _stricmp(full, "\\\\.\\COM1") == 0 ||
4246: _stricmp(full, "\\\\.\\COM2") == 0 ||
4247: _stricmp(full, "\\\\.\\COM3") == 0 ||
4248: _stricmp(full, "\\\\.\\COM4") == 0 ||
4249: _stricmp(full, "\\\\.\\COM5") == 0 ||
4250: _stricmp(full, "\\\\.\\COM6") == 0 ||
4251: _stricmp(full, "\\\\.\\COM7") == 0 ||
4252: _stricmp(full, "\\\\.\\COM8") == 0 ||
4253: _stricmp(full, "\\\\.\\COM9") == 0 ||
4254: _stricmp(full, "\\\\.\\LPT1") == 0 ||
4255: _stricmp(full, "\\\\.\\LPT2") == 0 ||
4256: _stricmp(full, "\\\\.\\LPT3") == 0 ||
4257: _stricmp(full, "\\\\.\\LPT4") == 0 ||
4258: _stricmp(full, "\\\\.\\LPT5") == 0 ||
4259: _stricmp(full, "\\\\.\\LPT6") == 0 ||
4260: _stricmp(full, "\\\\.\\LPT7") == 0 ||
4261: _stricmp(full, "\\\\.\\LPT8") == 0 ||
4262: _stricmp(full, "\\\\.\\LPT9") == 0) {
4263: return(true);
4264: } else if(name != NULL) {
4265: if(_stricmp(name, "CLOCK$" ) == 0 ||
4266: _stricmp(name, "CONFIG$" ) == 0 ||
1.1.1.30 root 4267: _stricmp(name, "EMMXXXX0") == 0 ||
1.1.1.43 root 4268: // _stricmp(name, "SCSIMGR$") == 0 ||
1.1.1.30 root 4269: _stricmp(name, "$IBMAIAS") == 0) {
1.1.1.29 root 4270: return(true);
4271: }
4272: }
1.1.1.24 root 4273: }
4274: return(false);
1.1.1.11 root 4275: }
4276:
1.1.1.45 root 4277: bool msdos_is_con_path(const char *path)
1.1.1.8 root 4278: {
1.1.1.14 root 4279: char full[MAX_PATH], *name;
1.1.1.8 root 4280:
1.1.1.24 root 4281: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
1.1.1.29 root 4282: return(_stricmp(full, "\\\\.\\CON") == 0);
1.1.1.24 root 4283: }
4284: return(false);
4285: }
4286:
1.1.1.45 root 4287: int msdos_is_comm_path(const char *path)
1.1.1.24 root 4288: {
4289: char full[MAX_PATH], *name;
4290:
4291: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
1.1.1.29 root 4292: if(_stricmp(full, "\\\\.\\COM1") == 0) {
4293: return(1);
4294: } else if(_stricmp(full, "\\\\.\\COM2") == 0) {
4295: return(2);
4296: } else if(_stricmp(full, "\\\\.\\COM3") == 0) {
4297: return(3);
4298: } else if(_stricmp(full, "\\\\.\\COM4") == 0) {
4299: return(4);
1.1.1.24 root 4300: }
4301: }
1.1.1.29 root 4302: return(0);
4303: }
4304:
1.1.1.45 root 4305: void msdos_set_comm_params(int sio_port, const char *path)
1.1.1.37 root 4306: {
4307: // 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 4308: const char *p = NULL;
1.1.1.37 root 4309:
4310: if((p = strstr(path, ":")) != NULL) {
4311: UINT8 selector = sio_read(sio_port - 1, 3);
4312:
4313: // baud rate
4314: int baud = max(110, min(9600, atoi(p + 1)));
4315: UINT16 divisor = 115200 / baud;
4316:
4317: if((p = strstr(p + 1, ",")) != NULL) {
4318: // parity
4319: if(p[1] == 'N' || p[1] == 'n') {
4320: selector = (selector & ~0x38) | 0x00;
4321: } else if(p[1] == 'O' || p[1] == 'o') {
4322: selector = (selector & ~0x38) | 0x08;
4323: } else if(p[1] == 'E' || p[1] == 'e') {
4324: selector = (selector & ~0x38) | 0x18;
4325: } else if(p[1] == 'M' || p[1] == 'm') {
4326: selector = (selector & ~0x38) | 0x28;
4327: } else if(p[1] == 'S' || p[1] == 's') {
4328: selector = (selector & ~0x38) | 0x38;
4329: }
4330: if((p = strstr(p + 1, ",")) != NULL) {
4331: // word length
4332: if(p[1] == '8') {
4333: selector = (selector & ~0x03) | 0x03;
4334: } else if(p[1] == '7') {
4335: selector = (selector & ~0x03) | 0x02;
4336: } else if(p[1] == '6') {
4337: selector = (selector & ~0x03) | 0x01;
4338: } else if(p[1] == '5') {
4339: selector = (selector & ~0x03) | 0x00;
4340: }
4341: if((p = strstr(p + 1, ",")) != NULL) {
4342: // stop bits
4343: float bits = atof(p + 1);
4344: if(bits > 1.0F) {
4345: selector |= 0x04;
4346: } else {
4347: selector &= ~0x04;
4348: }
4349: }
4350: }
4351: }
4352: sio_write(sio_port - 1, 3, selector | 0x80);
4353: sio_write(sio_port - 1, 0, divisor & 0xff);
4354: sio_write(sio_port - 1, 1, divisor >> 8);
4355: sio_write(sio_port - 1, 3, selector);
4356: }
4357: }
4358:
1.1.1.45 root 4359: int msdos_is_prn_path(const char *path)
1.1.1.30 root 4360: {
4361: char full[MAX_PATH], *name;
4362:
4363: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
4364: if(_stricmp(full, "\\\\.\\PRN") == 0) {
4365: return(1);
4366: } else if(_stricmp(full, "\\\\.\\LPT1") == 0) {
4367: return(1);
4368: } else if(_stricmp(full, "\\\\.\\LPT2") == 0) {
4369: return(2);
4370: } else if(_stricmp(full, "\\\\.\\LPT3") == 0) {
4371: return(3);
4372: }
4373: }
4374: return(0);
4375: }
4376:
1.1.1.44 root 4377: bool msdos_is_valid_drive(int drv)
4378: {
4379: return(drv >= 0 && drv < 26 && (GetLogicalDrives() & (1 << drv)) != 0);
4380: }
4381:
4382: bool msdos_is_removable_drive(int drv)
4383: {
4384: char volume[] = "A:\\";
4385:
4386: volume[0] = 'A' + drv;
4387:
4388: return(GetDriveType(volume) == DRIVE_REMOVABLE);
4389: }
4390:
4391: bool msdos_is_cdrom_drive(int drv)
4392: {
4393: char volume[] = "A:\\";
4394:
4395: volume[0] = 'A' + drv;
4396:
4397: return(GetDriveType(volume) == DRIVE_CDROM);
4398: }
4399:
4400: bool msdos_is_remote_drive(int drv)
4401: {
4402: char volume[] = "A:\\";
4403:
4404: volume[0] = 'A' + drv;
4405:
4406: return(GetDriveType(volume) == DRIVE_REMOTE);
4407: }
4408:
4409: bool msdos_is_subst_drive(int drv)
4410: {
4411: char device[] = "A:", path[MAX_PATH];
4412:
4413: device[0] = 'A' + drv;
4414:
4415: if(QueryDosDevice(device, path, MAX_PATH)) {
4416: if(strncmp(path, "\\??\\", 4) == 0) {
4417: return(true);
4418: }
4419: }
4420: return(false);
4421: }
4422:
1.1.1.45 root 4423: bool msdos_is_existing_file(const char *path)
1.1.1.24 root 4424: {
4425: // http://d.hatena.ne.jp/yu-hr/20100317/1268826458
4426: WIN32_FIND_DATA FindData;
4427: HANDLE hFind;
4428:
4429: if((hFind = FindFirstFile(path, &FindData)) != INVALID_HANDLE_VALUE) {
4430: FindClose(hFind);
4431: return(!(FindData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY));
4432: }
4433: return(false);
1.1.1.8 root 4434: }
4435:
1.1.1.45 root 4436: const char *msdos_search_command_com(const char *command_path, const char *env_path)
1.1.1.9 root 4437: {
4438: static char tmp[MAX_PATH];
1.1.1.28 root 4439: char path[ENV_SIZE], *file_name;
1.1.1.9 root 4440:
1.1.1.28 root 4441: // check if COMMAND.COM is in the same directory as the target program file
1.1.1.9 root 4442: if(GetFullPathName(command_path, MAX_PATH, tmp, &file_name) != 0) {
4443: sprintf(file_name, "COMMAND.COM");
4444: if(_access(tmp, 0) == 0) {
4445: return(tmp);
4446: }
4447: }
1.1.1.28 root 4448:
4449: // check if COMMAND.COM is in the same directory as the running msdos.exe
1.1.1.9 root 4450: if(GetModuleFileName(NULL, path, MAX_PATH) != 0 && GetFullPathName(path, MAX_PATH, tmp, &file_name) != 0) {
4451: sprintf(file_name, "COMMAND.COM");
4452: if(_access(tmp, 0) == 0) {
4453: return(tmp);
4454: }
4455: }
1.1.1.28 root 4456:
4457: // check if COMMAND.COM is in the current directory
1.1.1.9 root 4458: if(GetFullPathName("COMMAND.COM", MAX_PATH, tmp, &file_name) != 0) {
4459: if(_access(tmp, 0) == 0) {
4460: return(tmp);
4461: }
4462: }
1.1.1.28 root 4463:
4464: // cehck if COMMAND.COM is in the directory that is in MSDOS_PATH and PATH environment variables
4465: strcpy(path, env_path);
4466: char *token = my_strtok(path, ";");
1.1.1.9 root 4467: while(token != NULL) {
1.1.1.14 root 4468: if(strlen(token) != 0 && token[0] != '%') {
1.1.1.9 root 4469: strcpy(tmp, msdos_combine_path(token, "COMMAND.COM"));
4470: if(_access(tmp, 0) == 0) {
4471: return(tmp);
4472: }
4473: }
4474: token = my_strtok(NULL, ";");
4475: }
4476: return(NULL);
4477: }
4478:
1.1.1.14 root 4479: int msdos_drive_number(const char *path)
1.1 root 4480: {
4481: char tmp[MAX_PATH], *name;
4482:
1.1.1.45 root 4483: if(GetFullPathName(path, MAX_PATH, tmp, &name) >= 2 && tmp[1] == ':') {
4484: if(tmp[0] >= 'a' && tmp[0] <= 'z') {
4485: return(tmp[0] - 'a');
4486: } else if(tmp[0] >= 'A' && tmp[0] <= 'Z') {
4487: return(tmp[0] - 'A');
4488: }
1.1 root 4489: }
1.1.1.45 root 4490: // return(msdos_drive_number("."));
4491: return(_getdrive() - 1);
1.1 root 4492: }
4493:
1.1.1.45 root 4494: const char *msdos_volume_label(const char *path)
1.1 root 4495: {
4496: static char tmp[MAX_PATH];
4497: char volume[] = "A:\\";
4498:
4499: if(path[1] == ':') {
4500: volume[0] = path[0];
4501: } else {
4502: volume[0] = 'A' + _getdrive() - 1;
4503: }
4504: if(!GetVolumeInformation(volume, tmp, MAX_PATH, NULL, NULL, NULL, NULL, 0)) {
4505: memset(tmp, 0, sizeof(tmp));
4506: }
4507: return(tmp);
4508: }
4509:
1.1.1.45 root 4510: const char *msdos_short_volume_label(const char *label)
1.1 root 4511: {
4512: static char tmp[(8 + 1 + 3) + 1];
1.1.1.45 root 4513: const char *src = label;
1.1 root 4514: int remain = strlen(label);
4515: char *dst_n = tmp;
4516: char *dst_e = tmp + 9;
4517:
4518: strcpy(tmp, " . ");
4519: for(int i = 0; i < 8 && remain > 0; i++) {
4520: if(msdos_lead_byte_check(*src)) {
4521: if(++i == 8) {
4522: break;
4523: }
4524: *dst_n++ = *src++;
4525: remain--;
4526: }
4527: *dst_n++ = *src++;
4528: remain--;
4529: }
4530: if(remain > 0) {
4531: for(int i = 0; i < 3 && remain > 0; i++) {
4532: if(msdos_lead_byte_check(*src)) {
4533: if(++i == 3) {
4534: break;
4535: }
4536: *dst_e++ = *src++;
4537: remain--;
4538: }
4539: *dst_e++ = *src++;
4540: remain--;
4541: }
4542: *dst_e = '\0';
4543: } else {
4544: *dst_n = '\0';
4545: }
4546: my_strupr(tmp);
4547: return(tmp);
4548: }
4549:
1.1.1.13 root 4550: errno_t msdos_maperr(unsigned long oserrno)
4551: {
4552: _doserrno = oserrno;
1.1.1.14 root 4553: switch(oserrno) {
1.1.1.13 root 4554: case ERROR_FILE_NOT_FOUND: // 2
4555: case ERROR_PATH_NOT_FOUND: // 3
4556: case ERROR_INVALID_DRIVE: // 15
4557: case ERROR_NO_MORE_FILES: // 18
4558: case ERROR_BAD_NETPATH: // 53
4559: case ERROR_BAD_NET_NAME: // 67
4560: case ERROR_BAD_PATHNAME: // 161
4561: case ERROR_FILENAME_EXCED_RANGE: // 206
4562: return ENOENT;
4563: case ERROR_TOO_MANY_OPEN_FILES: // 4
4564: return EMFILE;
4565: case ERROR_ACCESS_DENIED: // 5
4566: case ERROR_CURRENT_DIRECTORY: // 16
4567: case ERROR_NETWORK_ACCESS_DENIED: // 65
4568: case ERROR_CANNOT_MAKE: // 82
4569: case ERROR_FAIL_I24: // 83
4570: case ERROR_DRIVE_LOCKED: // 108
4571: case ERROR_SEEK_ON_DEVICE: // 132
4572: case ERROR_NOT_LOCKED: // 158
4573: case ERROR_LOCK_FAILED: // 167
4574: return EACCES;
4575: case ERROR_INVALID_HANDLE: // 6
4576: case ERROR_INVALID_TARGET_HANDLE: // 114
4577: case ERROR_DIRECT_ACCESS_HANDLE: // 130
4578: return EBADF;
4579: case ERROR_ARENA_TRASHED: // 7
4580: case ERROR_NOT_ENOUGH_MEMORY: // 8
4581: case ERROR_INVALID_BLOCK: // 9
4582: case ERROR_NOT_ENOUGH_QUOTA: // 1816
4583: return ENOMEM;
4584: case ERROR_BAD_ENVIRONMENT: // 10
4585: return E2BIG;
4586: case ERROR_BAD_FORMAT: // 11
4587: return ENOEXEC;
4588: case ERROR_NOT_SAME_DEVICE: // 17
4589: return EXDEV;
4590: case ERROR_FILE_EXISTS: // 80
4591: case ERROR_ALREADY_EXISTS: // 183
4592: return EEXIST;
4593: case ERROR_NO_PROC_SLOTS: // 89
4594: case ERROR_MAX_THRDS_REACHED: // 164
4595: case ERROR_NESTING_NOT_ALLOWED: // 215
4596: return EAGAIN;
4597: case ERROR_BROKEN_PIPE: // 109
4598: return EPIPE;
4599: case ERROR_DISK_FULL: // 112
4600: return ENOSPC;
4601: case ERROR_WAIT_NO_CHILDREN: // 128
4602: case ERROR_CHILD_NOT_COMPLETE: // 129
4603: return ECHILD;
4604: case ERROR_DIR_NOT_EMPTY: // 145
4605: return ENOTEMPTY;
4606: }
1.1.1.14 root 4607: if(oserrno >= ERROR_WRITE_PROTECT /* 19 */ &&
1.1.1.13 root 4608: oserrno <= ERROR_SHARING_BUFFER_EXCEEDED /* 36 */) {
4609: return EACCES;
4610: }
1.1.1.14 root 4611: if(oserrno >= ERROR_INVALID_STARTING_CODESEG /* 188 */ &&
1.1.1.13 root 4612: oserrno <= ERROR_INFLOOP_IN_RELOC_CHAIN /* 202 */) {
4613: return ENOEXEC;
4614: }
4615: return EINVAL;
4616: }
4617:
1.1.1.45 root 4618: int msdos_open(const char *path, int oflag)
1.1.1.13 root 4619: {
1.1.1.14 root 4620: if((oflag & (_O_RDONLY | _O_WRONLY | _O_RDWR)) != _O_RDONLY) {
1.1.1.45 root 4621: return(_open(path, oflag));
1.1.1.13 root 4622: }
1.1.1.14 root 4623:
4624: SECURITY_ATTRIBUTES sa = { sizeof(SECURITY_ATTRIBUTES), NULL, !(oflag & _O_NOINHERIT) };
1.1.1.13 root 4625: DWORD disposition;
1.1.1.14 root 4626: switch(oflag & (_O_CREAT | _O_EXCL | _O_TRUNC)) {
4627: default:
1.1.1.13 root 4628: case _O_EXCL:
4629: disposition = OPEN_EXISTING;
4630: break;
4631: case _O_CREAT:
4632: disposition = OPEN_ALWAYS;
4633: break;
4634: case _O_CREAT | _O_EXCL:
4635: case _O_CREAT | _O_TRUNC | _O_EXCL:
4636: disposition = CREATE_NEW;
4637: break;
4638: case _O_TRUNC:
4639: case _O_TRUNC | _O_EXCL:
4640: disposition = TRUNCATE_EXISTING;
4641: break;
4642: case _O_CREAT | _O_TRUNC:
4643: disposition = CREATE_ALWAYS;
4644: break;
4645: }
1.1.1.14 root 4646:
1.1.1.45 root 4647: HANDLE h = CreateFile(path, GENERIC_READ | FILE_WRITE_ATTRIBUTES,
1.1.1.13 root 4648: FILE_SHARE_READ | FILE_SHARE_WRITE, &sa, disposition,
4649: FILE_ATTRIBUTE_NORMAL, NULL);
1.1.1.14 root 4650: if(h == INVALID_HANDLE_VALUE) {
1.1.1.13 root 4651: // FILE_WRITE_ATTRIBUTES may not be granted for standard users.
4652: // Retry without FILE_WRITE_ATTRIBUTES.
1.1.1.45 root 4653: h = CreateFile(path, GENERIC_READ,
1.1.1.13 root 4654: FILE_SHARE_READ | FILE_SHARE_WRITE, &sa, disposition,
4655: FILE_ATTRIBUTE_NORMAL, NULL);
1.1.1.14 root 4656: if(h == INVALID_HANDLE_VALUE) {
1.1.1.13 root 4657: errno = msdos_maperr(GetLastError());
1.1.1.45 root 4658: return(-1);
1.1.1.13 root 4659: }
4660: }
1.1.1.14 root 4661:
1.1.1.13 root 4662: int fd = _open_osfhandle((intptr_t) h, oflag);
1.1.1.14 root 4663: if(fd == -1) {
1.1.1.13 root 4664: CloseHandle(h);
4665: }
1.1.1.45 root 4666: return(fd);
4667: }
4668:
4669: int msdos_open_device(const char *path, int oflag, int *sio_port, int *lpt_port)
4670: {
4671: int fd = -1;
4672:
4673: *sio_port = *lpt_port = 0;
4674:
4675: if(msdos_is_con_path(path)) {
4676: // MODE.COM opens CON device with read/write mode :-(
4677: if((oflag & (_O_RDONLY | _O_WRONLY | _O_RDWR)) == _O_RDWR) {
4678: oflag &= ~(_O_RDONLY | _O_WRONLY | _O_RDWR);
4679: oflag |= _O_RDONLY;
4680: }
4681: if((fd = msdos_open("CON", oflag)) == -1) {
4682: // fd = msdos_open("NUL", oflag);
4683: }
4684: } else if((*sio_port = msdos_is_comm_path(path)) != 0) {
4685: fd = msdos_open("NUL", oflag);
4686: msdos_set_comm_params(*sio_port, path);
4687: } else if((*lpt_port = msdos_is_prn_path(path)) != 0) {
4688: fd = msdos_open("NUL", oflag);
4689: } else if(msdos_is_device_path(path)) {
4690: fd = msdos_open("NUL", oflag);
4691: // } else if(oflag & _O_CREAT) {
4692: // fd = _open(path, oflag, _S_IREAD | _S_IWRITE);
4693: // } else {
4694: // fd = _open(path, oflag);
4695: }
4696: return(fd);
4697: }
4698:
4699: UINT16 msdos_device_info(const char *path)
4700: {
4701: if(msdos_is_con_path(path)) {
4702: return(0x80d3);
4703: } else if(msdos_is_comm_path(path)) {
4704: return(0x80a0);
4705: } else if(msdos_is_prn_path(path)) {
4706: // return(0xa8c0);
4707: return(0x80a0);
4708: } else if(msdos_is_device_path(path)) {
4709: if(strstr(path, "EMMXXXX0") != NULL) {
4710: return(0xc0c0);
4711: } else if(strstr(path, "MSCD001") != NULL) {
4712: return(0xc880);
4713: } else {
4714: return(0x8084);
4715: }
4716: } else {
4717: return(msdos_drive_number(path));
4718: }
1.1.1.13 root 4719: }
4720:
1.1.1.52 root 4721: 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 4722: {
4723: static int id = 0;
4724: char full[MAX_PATH], *name;
4725:
4726: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
4727: strcpy(file_handler[fd].path, full);
4728: } else {
4729: strcpy(file_handler[fd].path, path);
4730: }
1.1.1.14 root 4731: // isatty makes no distinction between CON & NUL
4732: // GetFileSize fails on CON, succeeds on NUL
4733: if(atty && (info != 0x80d3 || GetFileSize((HANDLE)_get_osfhandle(fd), NULL) == 0)) {
1.1.1.45 root 4734: if(info == 0x80d3) {
4735: info = 0x8084;
4736: }
1.1.1.14 root 4737: atty = 0;
4738: } else if(!atty && info == 0x80d3) {
1.1.1.45 root 4739: // info = msdos_drive_number(".");
4740: info = msdos_drive_number(path);
1.1.1.14 root 4741: }
1.1 root 4742: file_handler[fd].valid = 1;
4743: file_handler[fd].id = id++; // dummy id for int 21h ax=71a6h
1.1.1.37 root 4744: file_handler[fd].atty = (sio_port == 0 && lpt_port == 0) ? atty : 0;
1.1 root 4745: file_handler[fd].mode = mode;
4746: file_handler[fd].info = info;
4747: file_handler[fd].psp = psp_seg;
1.1.1.37 root 4748: file_handler[fd].sio_port = sio_port;
4749: file_handler[fd].lpt_port = lpt_port;
1.1.1.21 root 4750:
4751: // init system file table
4752: if(fd < 20) {
4753: UINT8 *sft = mem + SFT_TOP + 6 + 0x3b * fd;
4754:
4755: memset(sft, 0, 0x3b);
4756:
4757: *(UINT16 *)(sft + 0x00) = 1;
4758: *(UINT16 *)(sft + 0x02) = file_handler[fd].mode;
4759: *(UINT8 *)(sft + 0x04) = GetFileAttributes(file_handler[fd].path) & 0xff;
4760: *(UINT16 *)(sft + 0x05) = file_handler[fd].info & 0xff;
4761:
4762: if(!(file_handler[fd].info & 0x80)) {
4763: *(UINT16 *)(sft + 0x07) = sizeof(dpb_t) * (file_handler[fd].info & 0x1f);
4764: *(UINT16 *)(sft + 0x09) = DPB_TOP >> 4;
4765:
4766: FILETIME time, local;
4767: HANDLE hHandle;
4768: WORD dos_date = 0, dos_time = 0;
4769: DWORD file_size = 0;
4770: if((hHandle = (HANDLE)_get_osfhandle(fd)) != INVALID_HANDLE_VALUE) {
4771: if(GetFileTime(hHandle, NULL, NULL, &time)) {
4772: FileTimeToLocalFileTime(&time, &local);
4773: FileTimeToDosDateTime(&local, &dos_date, &dos_time);
4774: }
4775: file_size = GetFileSize(hHandle, NULL);
4776: }
4777: *(UINT16 *)(sft + 0x0d) = dos_time;
4778: *(UINT16 *)(sft + 0x0f) = dos_date;
4779: *(UINT32 *)(sft + 0x11) = file_size;
4780: }
4781:
4782: char fname[MAX_PATH] = {0}, ext[MAX_PATH] = {0};
4783: _splitpath(file_handler[fd].path, NULL, NULL, fname, ext);
4784: my_strupr(fname);
4785: my_strupr(ext);
4786: memset(sft + 0x20, 0x20, 11);
4787: memcpy(sft + 0x20, fname, min(strlen(fname), 8));
4788: memcpy(sft + 0x28, ext + 1, min(strlen(ext + 1), 3));
4789:
4790: *(UINT16 *)(sft + 0x31) = psp_seg;
4791: }
1.1 root 4792: }
4793:
4794: void msdos_file_handler_dup(int dst, int src, UINT16 psp_seg)
4795: {
4796: strcpy(file_handler[dst].path, file_handler[src].path);
4797: file_handler[dst].valid = 1;
4798: file_handler[dst].id = file_handler[src].id;
4799: file_handler[dst].atty = file_handler[src].atty;
4800: file_handler[dst].mode = file_handler[src].mode;
4801: file_handler[dst].info = file_handler[src].info;
4802: file_handler[dst].psp = psp_seg;
1.1.1.37 root 4803: file_handler[dst].sio_port = file_handler[src].sio_port;
4804: file_handler[dst].lpt_port = file_handler[src].lpt_port;
1.1 root 4805: }
4806:
1.1.1.20 root 4807: void msdos_file_handler_close(int fd)
1.1 root 4808: {
4809: file_handler[fd].valid = 0;
1.1.1.21 root 4810:
4811: if(fd < 20) {
4812: memset(mem + SFT_TOP + 6 + 0x3b * fd, 0, 0x3b);
4813: }
1.1 root 4814: }
4815:
1.1.1.14 root 4816: inline int msdos_file_attribute_create(UINT16 new_attr)
1.1 root 4817: {
1.1.1.14 root 4818: return(new_attr & (FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN |
4819: FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_ARCHIVE |
4820: FILE_ATTRIBUTE_DIRECTORY));
1.1 root 4821: }
4822:
4823: // find file
4824:
4825: int msdos_find_file_check_attribute(int attribute, int allowed_mask, int required_mask)
4826: {
4827: if((allowed_mask & 0x08) && !(attribute & FILE_ATTRIBUTE_DIRECTORY)) {
4828: return(0); // search directory only !!!
4829: } else if(!(allowed_mask & 0x02) && (attribute & FILE_ATTRIBUTE_HIDDEN)) {
4830: return(0);
4831: } else if(!(allowed_mask & 0x04) && (attribute & FILE_ATTRIBUTE_SYSTEM)) {
4832: return(0);
4833: } else if(!(allowed_mask & 0x10) && (attribute & FILE_ATTRIBUTE_DIRECTORY)) {
4834: return(0);
4835: } else if((attribute & required_mask) != required_mask) {
4836: return(0);
4837: } else {
4838: return(1);
4839: }
4840: }
4841:
1.1.1.13 root 4842: int msdos_find_file_has_8dot3name(WIN32_FIND_DATA *fd)
4843: {
1.1.1.14 root 4844: if(fd->cAlternateFileName[0]) {
1.1.1.42 root 4845: return(1);
1.1.1.13 root 4846: }
4847: size_t len = strlen(fd->cFileName);
1.1.1.14 root 4848: if(len > 12) {
1.1.1.42 root 4849: return(0);
1.1.1.13 root 4850: }
4851: const char *ext = strrchr(fd->cFileName, '.');
1.1.1.14 root 4852: if((ext ? ext - fd->cFileName : len) > 8) {
1.1.1.42 root 4853: return(0);
1.1.1.13 root 4854: }
1.1.1.42 root 4855: return(1);
1.1.1.13 root 4856: }
4857:
1.1 root 4858: void msdos_find_file_conv_local_time(WIN32_FIND_DATA *fd)
4859: {
4860: FILETIME local;
4861:
4862: FileTimeToLocalFileTime(&fd->ftCreationTime, &local);
4863: fd->ftCreationTime.dwLowDateTime = local.dwLowDateTime;
4864: fd->ftCreationTime.dwHighDateTime = local.dwHighDateTime;
4865:
4866: FileTimeToLocalFileTime(&fd->ftLastAccessTime, &local);
4867: fd->ftLastAccessTime.dwLowDateTime = local.dwLowDateTime;
4868: fd->ftLastAccessTime.dwHighDateTime = local.dwHighDateTime;
4869:
4870: FileTimeToLocalFileTime(&fd->ftLastWriteTime, &local);
4871: fd->ftLastWriteTime.dwLowDateTime = local.dwLowDateTime;
4872: fd->ftLastWriteTime.dwHighDateTime = local.dwHighDateTime;
4873: }
4874:
4875: // i/o
4876:
4877: void msdos_stdio_reopen()
4878: {
4879: if(!file_handler[0].valid) {
4880: _dup2(DUP_STDIN, 0);
4881: msdos_file_handler_open(0, "STDIN", _isatty(0), 0, 0x80d3, 0);
4882: }
4883: if(!file_handler[1].valid) {
4884: _dup2(DUP_STDOUT, 1);
4885: msdos_file_handler_open(1, "STDOUT", _isatty(1), 1, 0x80d3, 0);
4886: }
4887: if(!file_handler[2].valid) {
4888: _dup2(DUP_STDERR, 2);
4889: msdos_file_handler_open(2, "STDERR", _isatty(2), 1, 0x80d3, 0);
4890: }
1.1.1.21 root 4891: if(!file_handler[3].valid) {
4892: _dup2(DUP_STDAUX, 3);
4893: msdos_file_handler_open(3, "STDAUX", 0, 2, 0x80c0, 0);
4894: }
4895: if(!file_handler[4].valid) {
4896: _dup2(DUP_STDPRN, 4);
1.1.1.45 root 4897: // msdos_file_handler_open(4, "STDPRN", 0, 1, 0xa8c0, 0, 0, 1); // LPT1
4898: msdos_file_handler_open(4, "STDPRN", 0, 1, 0x80a0, 0, 0, 1); // LPT1
1.1.1.21 root 4899: }
4900: for(int i = 0; i < 5; i++) {
4901: if(msdos_psp_get_file_table(i, current_psp) == 0xff) {
4902: msdos_psp_set_file_table(i, i, current_psp);
4903: }
4904: }
1.1 root 4905: }
4906:
1.1.1.37 root 4907: int msdos_read(int fd, void *buffer, unsigned int count)
4908: {
4909: if(fd < process->max_files && file_handler[fd].valid && file_handler[fd].sio_port >= 1 && file_handler[fd].sio_port <= 4) {
4910: // read from serial port
4911: int read = 0;
4912: if(sio_port_number[file_handler[fd].sio_port - 1] != 0) {
4913: UINT8 *buf = (UINT8 *)buffer;
4914: UINT8 selector = sio_read(file_handler[fd].sio_port - 1, 3);
4915: sio_write(file_handler[fd].sio_port - 1, 3, selector & ~0x80);
1.1.1.38 root 4916: DWORD timeout = timeGetTime() + 1000;
4917: while(read < count) {
4918: if(sio_read(file_handler[fd].sio_port - 1, 5) & 0x01) {
4919: buf[read++] = sio_read(file_handler[fd].sio_port - 1, 0);
4920: timeout = timeGetTime() + 1000;
4921: } else {
4922: if(timeGetTime() > timeout) {
4923: break;
4924: }
4925: Sleep(10);
1.1.1.37 root 4926: }
4927: }
4928: sio_write(file_handler[fd].sio_port - 1, 3, selector);
4929: }
4930: return(read);
4931: }
4932: return(_read(fd, buffer, count));
4933: }
4934:
1.1 root 4935: int msdos_kbhit()
4936: {
4937: msdos_stdio_reopen();
4938:
1.1.1.20 root 4939: process_t *process = msdos_process_info_get(current_psp);
4940: int fd = msdos_psp_get_file_table(0, current_psp);
4941:
4942: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 4943: // stdin is redirected to file
1.1.1.20 root 4944: return(eof(fd) == 0);
1.1 root 4945: }
4946:
4947: // check keyboard status
1.1.1.35 root 4948: if(key_recv != 0) {
1.1 root 4949: return(1);
4950: }
1.1.1.35 root 4951: if(key_buf_char != NULL && key_buf_scan != NULL) {
4952: #ifdef USE_SERVICE_THREAD
4953: EnterCriticalSection(&key_buf_crit_sect);
4954: #endif
4955: bool empty = key_buf_char->empty();
4956: #ifdef USE_SERVICE_THREAD
4957: LeaveCriticalSection(&key_buf_crit_sect);
4958: #endif
4959: if(!empty) return(1);
4960: }
4961: return(_kbhit());
1.1 root 4962: }
4963:
4964: int msdos_getch_ex(int echo)
4965: {
4966: static char prev = 0;
4967:
4968: msdos_stdio_reopen();
4969:
1.1.1.20 root 4970: process_t *process = msdos_process_info_get(current_psp);
4971: int fd = msdos_psp_get_file_table(0, current_psp);
4972:
4973: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 4974: // stdin is redirected to file
4975: retry:
4976: char data;
1.1.1.37 root 4977: if(msdos_read(fd, &data, 1) == 1) {
1.1 root 4978: char tmp = data;
4979: if(data == 0x0a) {
4980: if(prev == 0x0d) {
4981: goto retry; // CRLF -> skip LF
4982: } else {
4983: data = 0x0d; // LF only -> CR
4984: }
4985: }
4986: prev = tmp;
4987: return(data);
4988: }
4989: return(EOF);
4990: }
4991:
4992: // input from console
1.1.1.5 root 4993: int key_char, key_scan;
1.1.1.33 root 4994: if(key_recv != 0) {
1.1.1.5 root 4995: key_char = (key_code >> 0) & 0xff;
4996: key_scan = (key_code >> 8) & 0xff;
4997: key_code >>= 16;
1.1.1.33 root 4998: key_recv >>= 16;
1.1.1.5 root 4999: } else {
1.1.1.54! root 5000: while(key_buf_char != NULL && key_buf_scan != NULL && !m_exit) {
1.1.1.35 root 5001: if(key_buf_char != NULL && key_buf_scan != NULL) {
5002: #ifdef USE_SERVICE_THREAD
5003: EnterCriticalSection(&key_buf_crit_sect);
5004: #endif
5005: bool empty = key_buf_char->empty();
5006: #ifdef USE_SERVICE_THREAD
5007: LeaveCriticalSection(&key_buf_crit_sect);
5008: #endif
5009: if(!empty) break;
5010: }
1.1.1.23 root 5011: if(!(fd < process->max_files && file_handler[fd].valid && file_handler[fd].atty && file_mode[file_handler[fd].mode].in)) {
5012: // NOTE: stdin is redirected to stderr when we do "type (file) | more" on freedos's command.com
5013: if(_kbhit()) {
1.1.1.32 root 5014: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 5015: #ifdef USE_SERVICE_THREAD
5016: EnterCriticalSection(&key_buf_crit_sect);
5017: #endif
1.1.1.51 root 5018: pcbios_set_key_buffer(_getch(), 0x00);
1.1.1.35 root 5019: #ifdef USE_SERVICE_THREAD
5020: LeaveCriticalSection(&key_buf_crit_sect);
5021: #endif
1.1.1.32 root 5022: }
1.1.1.23 root 5023: } else {
5024: Sleep(10);
5025: }
5026: } else {
5027: if(!update_key_buffer()) {
5028: Sleep(10);
5029: }
1.1.1.14 root 5030: }
5031: }
1.1.1.54! root 5032: if(m_exit) {
1.1.1.33 root 5033: // insert CR to terminate input loops
1.1.1.14 root 5034: key_char = 0x0d;
5035: key_scan = 0;
1.1.1.32 root 5036: } else if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 5037: #ifdef USE_SERVICE_THREAD
5038: EnterCriticalSection(&key_buf_crit_sect);
5039: #endif
1.1.1.51 root 5040: pcbios_get_key_buffer(&key_char, &key_scan);
1.1.1.35 root 5041: #ifdef USE_SERVICE_THREAD
5042: LeaveCriticalSection(&key_buf_crit_sect);
5043: #endif
1.1.1.5 root 5044: }
1.1 root 5045: }
5046: if(echo && key_char) {
5047: msdos_putch(key_char);
5048: }
5049: return key_char ? key_char : (key_scan != 0xe0) ? key_scan : 0;
5050: }
5051:
5052: inline int msdos_getch()
5053: {
5054: return(msdos_getch_ex(0));
5055: }
5056:
5057: inline int msdos_getche()
5058: {
5059: return(msdos_getch_ex(1));
5060: }
5061:
5062: int msdos_write(int fd, const void *buffer, unsigned int count)
5063: {
1.1.1.37 root 5064: if(fd < process->max_files && file_handler[fd].valid && file_handler[fd].sio_port >= 1 && file_handler[fd].sio_port <= 4) {
5065: // write to serial port
1.1.1.38 root 5066: int written = 0;
1.1.1.37 root 5067: if(sio_port_number[file_handler[fd].sio_port - 1] != 0) {
5068: UINT8 *buf = (UINT8 *)buffer;
5069: UINT8 selector = sio_read(file_handler[fd].sio_port - 1, 3);
5070: sio_write(file_handler[fd].sio_port - 1, 3, selector & ~0x80);
1.1.1.38 root 5071: DWORD timeout = timeGetTime() + 1000;
5072: while(written < count) {
5073: if(sio_read(file_handler[fd].sio_port - 1, 5) & 0x20) {
5074: sio_write(file_handler[fd].sio_port - 1, 0, buf[written++]);
5075: timeout = timeGetTime() + 1000;
5076: } else {
5077: if(timeGetTime() > timeout) {
5078: break;
5079: }
5080: Sleep(10);
5081: }
1.1.1.37 root 5082: }
5083: sio_write(file_handler[fd].sio_port - 1, 3, selector);
5084: }
1.1.1.38 root 5085: return(written);
1.1.1.37 root 5086: } else if(fd < process->max_files && file_handler[fd].valid && file_handler[fd].lpt_port >= 1 && file_handler[fd].lpt_port <= 3) {
5087: // write to printer port
5088: UINT8 *buf = (UINT8 *)buffer;
5089: for(unsigned int i = 0; i < count; i++) {
5090: // printer_out(file_handler[fd].lpt_port - 1, buf[i]);
5091: pcbios_printer_out(file_handler[fd].lpt_port - 1, buf[i]);
5092: }
5093: return(count);
5094: } else if(fd == 1 && file_handler[1].valid && !file_handler[1].atty) {
1.1 root 5095: // CR+LF -> LF
1.1.1.37 root 5096: static int is_cr = 0;
1.1 root 5097: UINT8 *buf = (UINT8 *)buffer;
5098: for(unsigned int i = 0; i < count; i++) {
5099: UINT8 data = buf[i];
5100: if(is_cr) {
5101: if(data != 0x0a) {
5102: UINT8 tmp = 0x0d;
5103: _write(1, &tmp, 1);
5104: }
5105: _write(1, &data, 1);
5106: is_cr = 0;
5107: } else if(data == 0x0d) {
5108: is_cr = 1;
5109: } else {
5110: _write(1, &data, 1);
5111: }
5112: }
5113: return(count);
5114: }
1.1.1.14 root 5115: vram_flush();
1.1 root 5116: return(_write(fd, buffer, count));
5117: }
5118:
5119: void msdos_putch(UINT8 data)
1.1.1.50 root 5120: {
5121: msdos_stdio_reopen();
5122:
5123: process_t *process = msdos_process_info_get(current_psp);
5124: int fd = msdos_psp_get_file_table(1, current_psp);
5125:
5126: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
5127: // stdout is redirected to file
5128: msdos_write(fd, &data, 1);
5129: return;
5130: }
5131:
5132: // call int 29h ?
5133: if(*(UINT16 *)(mem + 4 * 0x29 + 0) == 0x29 &&
5134: *(UINT16 *)(mem + 4 * 0x29 + 2) == (IRET_TOP >> 4)) {
5135: // int 29h is not hooked, no need to call int 29h
5136: msdos_putch_fast(data);
5137: #ifdef USE_SERVICE_THREAD
5138: } else if(in_service && main_thread_id != GetCurrentThreadId()) {
5139: // XXX: in usually we should not reach here
5140: // this is called from service thread to echo the input
5141: // we can not call int 29h because it causes a critial issue to control cpu running in main thread :-(
5142: msdos_putch_fast(data);
5143: #endif
1.1.1.51 root 5144: } else if(in_service_29h) {
1.1.1.50 root 5145: // disallow reentering call int 29h routine to prevent an infinite loop :-(
5146: msdos_putch_fast(data);
5147: } else {
5148: // this is called from main thread, so we can call int 29h :-)
1.1.1.51 root 5149: in_service_29h = true;
1.1.1.50 root 5150: try {
5151: UINT32 tmp_pc = m_pc;
5152: UINT16 tmp_ax = REG16(AX);
5153: UINT32 tmp_bx = REG16(BX); // BX may be destroyed by some versions of DOS 3.3
5154:
5155: // call int 29h routine is at fffc:0027
5156: i386_call_far(DUMMY_TOP >> 4, 0x0027);
5157: REG8(AL) = data;
5158:
5159: // run cpu until call int 29h routine is done
1.1.1.54! root 5160: while(!m_exit && tmp_pc != m_pc) {
1.1.1.50 root 5161: try {
5162: hardware_run_cpu();
5163: } catch(...) {
5164: }
5165: }
5166: REG16(AX) = tmp_ax;
5167: REG16(BX) = tmp_bx;
5168: } catch(...) {
5169: }
1.1.1.51 root 5170: in_service_29h = false;
1.1.1.50 root 5171: }
5172: }
5173:
5174: void msdos_putch_fast(UINT8 data)
1.1.1.35 root 5175: #ifdef USE_SERVICE_THREAD
5176: {
5177: EnterCriticalSection(&putch_crit_sect);
5178: msdos_putch_tmp(data);
5179: LeaveCriticalSection(&putch_crit_sect);
5180: }
5181: void msdos_putch_tmp(UINT8 data)
5182: #endif
1.1 root 5183: {
1.1.1.34 root 5184: CONSOLE_SCREEN_BUFFER_INFO csbi;
5185: SMALL_RECT rect;
5186: COORD co;
1.1 root 5187: static int p = 0;
5188: static int is_kanji = 0;
5189: static int is_esc = 0;
5190: static int stored_x;
5191: static int stored_y;
5192: static WORD stored_a;
1.1.1.20 root 5193: static char tmp[64], out[64];
1.1 root 5194:
1.1.1.23 root 5195: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 5196:
5197: // output to console
5198: tmp[p++] = data;
5199:
1.1.1.14 root 5200: vram_flush();
5201:
1.1 root 5202: if(is_kanji) {
5203: // kanji character
5204: is_kanji = 0;
5205: } else if(is_esc) {
5206: // escape sequense
5207: if((tmp[1] == ')' || tmp[1] == '(') && p == 3) {
5208: p = is_esc = 0;
5209: } else if(tmp[1] == '=' && p == 4) {
5210: co.X = tmp[3] - 0x20;
1.1.1.14 root 5211: co.Y = tmp[2] - 0x20 + scr_top;
1.1 root 5212: SetConsoleCursorPosition(hStdout, co);
5213: mem[0x450 + mem[0x462] * 2] = co.X;
1.1.1.14 root 5214: mem[0x451 + mem[0x462] * 2] = co.Y - scr_top;
1.1 root 5215: cursor_moved = false;
5216: p = is_esc = 0;
5217: } else if((data >= 'a' && data <= 'z') || (data >= 'A' && data <= 'Z') || data == '*') {
5218: GetConsoleScreenBufferInfo(hStdout, &csbi);
5219: co.X = csbi.dwCursorPosition.X;
5220: co.Y = csbi.dwCursorPosition.Y;
5221: WORD wAttributes = csbi.wAttributes;
5222:
5223: if(tmp[1] == 'D') {
5224: co.Y++;
5225: } else if(tmp[1] == 'E') {
5226: co.X = 0;
5227: co.Y++;
5228: } else if(tmp[1] == 'M') {
5229: co.Y--;
5230: } else if(tmp[1] == '*') {
1.1.1.14 root 5231: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5232: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5233: co.X = 0;
5234: co.Y = csbi.srWindow.Top;
1.1 root 5235: } else if(tmp[1] == '[') {
5236: int param[256], params = 0;
5237: memset(param, 0, sizeof(param));
5238: for(int i = 2; i < p; i++) {
5239: if(tmp[i] >= '0' && tmp[i] <= '9') {
5240: param[params] *= 10;
5241: param[params] += tmp[i] - '0';
5242: } else {
5243: params++;
5244: }
5245: }
5246: if(data == 'A') {
1.1.1.14 root 5247: co.Y -= (params == 0) ? 1 : param[0];
1.1 root 5248: } else if(data == 'B') {
1.1.1.14 root 5249: co.Y += (params == 0) ? 1 : param[0];
1.1 root 5250: } else if(data == 'C') {
1.1.1.14 root 5251: co.X += (params == 0) ? 1 : param[0];
1.1 root 5252: } else if(data == 'D') {
1.1.1.14 root 5253: co.X -= (params == 0) ? 1 : param[0];
1.1 root 5254: } else if(data == 'H' || data == 'f') {
1.1.1.14 root 5255: co.X = (param[1] == 0 ? 1 : param[1]) - 1;
5256: co.Y = (param[0] == 0 ? 1 : param[0]) - 1 + csbi.srWindow.Top;
1.1 root 5257: } else if(data == 'J') {
1.1.1.14 root 5258: clear_scr_buffer(csbi.wAttributes);
1.1 root 5259: if(param[0] == 0) {
5260: SET_RECT(rect, co.X, co.Y, csbi.dwSize.X - 1, co.Y);
1.1.1.14 root 5261: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5262: if(co.Y < csbi.srWindow.Bottom) {
5263: SET_RECT(rect, 0, co.Y + 1, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5264: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5265: }
5266: } else if(param[0] == 1) {
1.1.1.14 root 5267: if(co.Y > csbi.srWindow.Top) {
5268: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, co.Y - 1);
5269: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5270: }
5271: SET_RECT(rect, 0, co.Y, co.X, co.Y);
1.1.1.14 root 5272: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5273: } else if(param[0] == 2) {
1.1.1.14 root 5274: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5275: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5276: co.X = co.Y = 0;
5277: }
5278: } else if(data == 'K') {
1.1.1.14 root 5279: clear_scr_buffer(csbi.wAttributes);
1.1 root 5280: if(param[0] == 0) {
5281: SET_RECT(rect, co.X, co.Y, csbi.dwSize.X - 1, co.Y);
1.1.1.14 root 5282: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5283: } else if(param[0] == 1) {
5284: SET_RECT(rect, 0, co.Y, co.X, co.Y);
1.1.1.14 root 5285: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5286: } else if(param[0] == 2) {
5287: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, co.Y);
1.1.1.14 root 5288: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5289: }
5290: } else if(data == 'L') {
1.1.1.14 root 5291: if(params == 0) {
5292: param[0] = 1;
1.1 root 5293: }
1.1.1.14 root 5294: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5295: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5296: SET_RECT(rect, 0, co.Y + param[0], csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5297: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5298: clear_scr_buffer(csbi.wAttributes);
1.1 root 5299: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, co.Y + param[0] - 1);
1.1.1.14 root 5300: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5301: co.X = 0;
5302: } else if(data == 'M') {
1.1.1.14 root 5303: if(params == 0) {
5304: param[0] = 1;
5305: }
5306: if(co.Y + param[0] > csbi.srWindow.Bottom) {
5307: clear_scr_buffer(csbi.wAttributes);
5308: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5309: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5310: } else {
1.1.1.14 root 5311: SET_RECT(rect, 0, co.Y + param[0], csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5312: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5313: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5314: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5315: clear_scr_buffer(csbi.wAttributes);
1.1 root 5316: }
5317: co.X = 0;
5318: } else if(data == 'h') {
5319: if(tmp[2] == '>' && tmp[3] == '5') {
5320: CONSOLE_CURSOR_INFO cur;
5321: GetConsoleCursorInfo(hStdout, &cur);
5322: if(cur.bVisible) {
5323: cur.bVisible = FALSE;
1.1.1.14 root 5324: // SetConsoleCursorInfo(hStdout, &cur);
1.1 root 5325: }
5326: }
5327: } else if(data == 'l') {
5328: if(tmp[2] == '>' && tmp[3] == '5') {
5329: CONSOLE_CURSOR_INFO cur;
5330: GetConsoleCursorInfo(hStdout, &cur);
5331: if(!cur.bVisible) {
5332: cur.bVisible = TRUE;
1.1.1.14 root 5333: // SetConsoleCursorInfo(hStdout, &cur);
1.1 root 5334: }
5335: }
5336: } else if(data == 'm') {
5337: wAttributes = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
5338: int reverse = 0, hidden = 0;
5339: for(int i = 0; i < params; i++) {
5340: if(param[i] == 1) {
5341: wAttributes |= FOREGROUND_INTENSITY;
5342: } else if(param[i] == 4) {
5343: wAttributes |= COMMON_LVB_UNDERSCORE;
5344: } else if(param[i] == 7) {
5345: reverse = 1;
5346: } else if(param[i] == 8 || param[i] == 16) {
5347: hidden = 1;
5348: } else if((param[i] >= 17 && param[i] <= 23) || (param[i] >= 30 && param[i] <= 37)) {
5349: wAttributes &= ~(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
5350: if(param[i] >= 17 && param[i] <= 23) {
5351: param[i] -= 16;
5352: } else {
5353: param[i] -= 30;
5354: }
5355: if(param[i] & 1) {
5356: wAttributes |= FOREGROUND_RED;
5357: }
5358: if(param[i] & 2) {
5359: wAttributes |= FOREGROUND_GREEN;
5360: }
5361: if(param[i] & 4) {
5362: wAttributes |= FOREGROUND_BLUE;
5363: }
5364: } else if(param[i] >= 40 && param[i] <= 47) {
5365: wAttributes &= ~(BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE);
5366: if((param[i] - 40) & 1) {
5367: wAttributes |= BACKGROUND_RED;
5368: }
5369: if((param[i] - 40) & 2) {
5370: wAttributes |= BACKGROUND_GREEN;
5371: }
5372: if((param[i] - 40) & 4) {
5373: wAttributes |= BACKGROUND_BLUE;
5374: }
5375: }
5376: }
5377: if(reverse) {
5378: wAttributes &= ~0xff;
5379: wAttributes |= BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE;
5380: }
5381: if(hidden) {
5382: wAttributes &= ~0x0f;
5383: wAttributes |= (wAttributes >> 4) & 0x0f;
5384: }
5385: } else if(data == 'n') {
5386: if(param[0] == 6) {
5387: char tmp[16];
5388: sprintf(tmp, "\x1b[%d;%dR", co.Y + 1, co.X + 1);
5389: int len = strlen(tmp);
1.1.1.32 root 5390: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 5391: #ifdef USE_SERVICE_THREAD
5392: EnterCriticalSection(&key_buf_crit_sect);
5393: #endif
1.1.1.32 root 5394: for(int i = 0; i < len; i++) {
1.1.1.51 root 5395: pcbios_set_key_buffer(tmp[i], 0x00);
1.1.1.32 root 5396: }
1.1.1.35 root 5397: #ifdef USE_SERVICE_THREAD
5398: LeaveCriticalSection(&key_buf_crit_sect);
5399: #endif
1.1 root 5400: }
5401: }
5402: } else if(data == 's') {
5403: stored_x = co.X;
5404: stored_y = co.Y;
5405: stored_a = wAttributes;
5406: } else if(data == 'u') {
5407: co.X = stored_x;
5408: co.Y = stored_y;
5409: wAttributes = stored_a;
5410: }
5411: }
5412: if(co.X < 0) {
5413: co.X = 0;
5414: } else if(co.X >= csbi.dwSize.X) {
5415: co.X = csbi.dwSize.X - 1;
5416: }
1.1.1.14 root 5417: if(co.Y < csbi.srWindow.Top) {
5418: co.Y = csbi.srWindow.Top;
5419: } else if(co.Y > csbi.srWindow.Bottom) {
5420: co.Y = csbi.srWindow.Bottom;
1.1 root 5421: }
5422: if(co.X != csbi.dwCursorPosition.X || co.Y != csbi.dwCursorPosition.Y) {
5423: SetConsoleCursorPosition(hStdout, co);
5424: mem[0x450 + mem[0x462] * 2] = co.X;
1.1.1.14 root 5425: mem[0x451 + mem[0x462] * 2] = co.Y - csbi.srWindow.Top;
1.1 root 5426: cursor_moved = false;
5427: }
5428: if(wAttributes != csbi.wAttributes) {
5429: SetConsoleTextAttribute(hStdout, wAttributes);
5430: }
5431: p = is_esc = 0;
5432: }
5433: return;
5434: } else {
5435: if(msdos_lead_byte_check(data)) {
5436: is_kanji = 1;
5437: return;
5438: } else if(data == 0x1b) {
5439: is_esc = 1;
5440: return;
5441: }
5442: }
1.1.1.20 root 5443:
5444: DWORD q = 0, num;
5445: is_kanji = 0;
5446: for(int i = 0; i < p; i++) {
5447: UINT8 c = tmp[i];
5448: if(is_kanji) {
5449: is_kanji = 0;
5450: } else if(msdos_lead_byte_check(data)) {
5451: is_kanji = 1;
5452: } else if(msdos_ctrl_code_check(data)) {
5453: out[q++] = '^';
5454: c += 'A' - 1;
5455: }
5456: out[q++] = c;
5457: }
1.1.1.34 root 5458: if(q == 1 && out[0] == 0x08) {
5459: // back space
5460: GetConsoleScreenBufferInfo(hStdout, &csbi);
5461: if(csbi.dwCursorPosition.X > 0) {
5462: co.X = csbi.dwCursorPosition.X - 1;
5463: co.Y = csbi.dwCursorPosition.Y;
5464: SetConsoleCursorPosition(hStdout, co);
5465: } else if(csbi.dwCursorPosition.Y > 0) {
5466: co.X = csbi.dwSize.X - 1;
5467: co.Y = csbi.dwCursorPosition.Y - 1;
5468: SetConsoleCursorPosition(hStdout, co);
5469: } else {
5470: WriteConsole(hStdout, out, q, &num, NULL); // to make sure
5471: }
5472: } else {
5473: WriteConsole(hStdout, out, q, &num, NULL);
5474: }
1.1 root 5475: p = 0;
1.1.1.14 root 5476:
1.1.1.15 root 5477: if(!restore_console_on_exit) {
5478: GetConsoleScreenBufferInfo(hStdout, &csbi);
5479: scr_top = csbi.srWindow.Top;
5480: }
1.1 root 5481: cursor_moved = true;
5482: }
5483:
5484: int msdos_aux_in()
5485: {
1.1.1.21 root 5486: msdos_stdio_reopen();
5487:
1.1.1.20 root 5488: process_t *process = msdos_process_info_get(current_psp);
5489: int fd = msdos_psp_get_file_table(3, current_psp);
5490:
5491: if(fd < process->max_files && file_handler[fd].valid && !eof(fd)) {
1.1 root 5492: char data = 0;
1.1.1.37 root 5493: msdos_read(fd, &data, 1);
1.1 root 5494: return(data);
5495: } else {
5496: return(EOF);
5497: }
5498: }
5499:
5500: void msdos_aux_out(char data)
5501: {
1.1.1.21 root 5502: msdos_stdio_reopen();
5503:
1.1.1.20 root 5504: process_t *process = msdos_process_info_get(current_psp);
5505: int fd = msdos_psp_get_file_table(3, current_psp);
5506:
5507: if(fd < process->max_files && file_handler[fd].valid) {
5508: msdos_write(fd, &data, 1);
1.1 root 5509: }
5510: }
5511:
5512: void msdos_prn_out(char data)
5513: {
1.1.1.21 root 5514: msdos_stdio_reopen();
5515:
1.1.1.20 root 5516: process_t *process = msdos_process_info_get(current_psp);
5517: int fd = msdos_psp_get_file_table(4, current_psp);
5518:
5519: if(fd < process->max_files && file_handler[fd].valid) {
5520: msdos_write(fd, &data, 1);
1.1 root 5521: }
5522: }
5523:
5524: // memory control
5525:
1.1.1.52 root 5526: mcb_t *msdos_mcb_create(int mcb_seg, UINT8 mz, UINT16 psp, int paragraphs, const char *prog_name = NULL)
1.1 root 5527: {
5528: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5529:
5530: mcb->mz = mz;
5531: mcb->psp = psp;
1.1.1.30 root 5532: mcb->paragraphs = paragraphs;
1.1.1.39 root 5533:
5534: if(prog_name != NULL) {
5535: memset(mcb->prog_name, 0, 8);
5536: memcpy(mcb->prog_name, prog_name, min(8, strlen(prog_name)));
5537: }
1.1 root 5538: return(mcb);
5539: }
5540:
5541: void msdos_mcb_check(mcb_t *mcb)
5542: {
5543: if(!(mcb->mz == 'M' || mcb->mz == 'Z')) {
1.1.1.28 root 5544: #if 0
5545: // shutdown now !!!
5546: fatalerror("broken memory control block\n");
5547: #else
5548: // return error code and continue
5549: throw(0x07); // broken memory control block
5550: #endif
1.1 root 5551: }
5552: }
5553:
1.1.1.39 root 5554: void msdos_mem_split(int seg, int paragraphs)
1.1 root 5555: {
5556: int mcb_seg = seg - 1;
5557: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5558: msdos_mcb_check(mcb);
5559:
1.1.1.30 root 5560: if(mcb->paragraphs > paragraphs) {
1.1 root 5561: int new_seg = mcb_seg + 1 + paragraphs;
1.1.1.30 root 5562: int new_paragraphs = mcb->paragraphs - paragraphs - 1;
1.1 root 5563:
5564: msdos_mcb_create(new_seg, mcb->mz, 0, new_paragraphs);
5565: mcb->mz = 'M';
1.1.1.30 root 5566: mcb->paragraphs = paragraphs;
1.1 root 5567: }
5568: }
5569:
5570: void msdos_mem_merge(int seg)
5571: {
5572: int mcb_seg = seg - 1;
5573: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5574: msdos_mcb_check(mcb);
5575:
5576: while(1) {
5577: if(mcb->mz == 'Z') {
5578: break;
5579: }
1.1.1.30 root 5580: int next_seg = mcb_seg + 1 + mcb->paragraphs;
1.1 root 5581: mcb_t *next_mcb = (mcb_t *)(mem + (next_seg << 4));
5582: msdos_mcb_check(next_mcb);
5583:
5584: if(next_mcb->psp != 0) {
5585: break;
5586: }
5587: mcb->mz = next_mcb->mz;
1.1.1.30 root 5588: mcb->paragraphs = mcb->paragraphs + 1 + next_mcb->paragraphs;
1.1 root 5589: }
5590: }
5591:
1.1.1.8 root 5592: int msdos_mem_alloc(int mcb_seg, int paragraphs, int new_process)
1.1 root 5593: {
5594: while(1) {
5595: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1.1.33 root 5596: bool last_block;
1.1 root 5597:
1.1.1.14 root 5598: if(mcb->psp == 0) {
5599: msdos_mem_merge(mcb_seg + 1);
5600: } else {
5601: msdos_mcb_check(mcb);
5602: }
1.1.1.33 root 5603: if(!(last_block = (mcb->mz == 'Z'))) {
5604: // check if the next is dummy mcb to link to umb
5605: int next_seg = mcb_seg + 1 + mcb->paragraphs;
5606: mcb_t *next_mcb = (mcb_t *)(mem + (next_seg << 4));
5607: last_block = (next_mcb->mz == 'Z' && next_mcb->paragraphs == 0);
5608: }
5609: if(!(new_process && !last_block)) {
1.1.1.30 root 5610: if(mcb->psp == 0 && mcb->paragraphs >= paragraphs) {
1.1 root 5611: msdos_mem_split(mcb_seg + 1, paragraphs);
5612: mcb->psp = current_psp;
5613: return(mcb_seg + 1);
5614: }
5615: }
5616: if(mcb->mz == 'Z') {
5617: break;
5618: }
1.1.1.30 root 5619: mcb_seg += 1 + mcb->paragraphs;
1.1 root 5620: }
5621: return(-1);
5622: }
5623:
5624: int msdos_mem_realloc(int seg, int paragraphs, int *max_paragraphs)
5625: {
5626: int mcb_seg = seg - 1;
5627: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5628: msdos_mcb_check(mcb);
1.1.1.30 root 5629: int current_paragraphs = mcb->paragraphs;
1.1 root 5630:
5631: msdos_mem_merge(seg);
1.1.1.30 root 5632: if(paragraphs > mcb->paragraphs) {
1.1.1.14 root 5633: if(max_paragraphs) {
1.1.1.30 root 5634: *max_paragraphs = mcb->paragraphs;
1.1.1.14 root 5635: }
1.1 root 5636: msdos_mem_split(seg, current_paragraphs);
5637: return(-1);
5638: }
5639: msdos_mem_split(seg, paragraphs);
5640: return(0);
5641: }
5642:
5643: void msdos_mem_free(int seg)
5644: {
5645: int mcb_seg = seg - 1;
5646: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5647: msdos_mcb_check(mcb);
5648:
5649: mcb->psp = 0;
5650: msdos_mem_merge(seg);
5651: }
5652:
1.1.1.8 root 5653: int msdos_mem_get_free(int mcb_seg, int new_process)
1.1 root 5654: {
5655: int max_paragraphs = 0;
5656:
5657: while(1) {
5658: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1.1.33 root 5659: bool last_block;
5660:
1.1 root 5661: msdos_mcb_check(mcb);
5662:
1.1.1.33 root 5663: if(!(last_block = (mcb->mz == 'Z'))) {
5664: // check if the next is dummy mcb to link to umb
5665: int next_seg = mcb_seg + 1 + mcb->paragraphs;
5666: mcb_t *next_mcb = (mcb_t *)(mem + (next_seg << 4));
5667: last_block = (next_mcb->mz == 'Z' && next_mcb->paragraphs == 0);
5668: }
5669: if(!(new_process && !last_block)) {
1.1.1.30 root 5670: if(mcb->psp == 0 && mcb->paragraphs > max_paragraphs) {
5671: max_paragraphs = mcb->paragraphs;
1.1 root 5672: }
5673: }
5674: if(mcb->mz == 'Z') {
5675: break;
5676: }
1.1.1.30 root 5677: mcb_seg += 1 + mcb->paragraphs;
1.1 root 5678: }
1.1.1.14 root 5679: return(max_paragraphs > 0x7fff && limit_max_memory ? 0x7fff : max_paragraphs);
1.1 root 5680: }
5681:
1.1.1.8 root 5682: int msdos_mem_get_last_mcb(int mcb_seg, UINT16 psp)
5683: {
5684: int last_seg = -1;
5685:
5686: while(1) {
5687: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5688: msdos_mcb_check(mcb);
5689:
1.1.1.14 root 5690: if(mcb->psp == psp) {
1.1.1.8 root 5691: last_seg = mcb_seg;
5692: }
1.1.1.14 root 5693: if(mcb->mz == 'Z') {
5694: break;
5695: }
1.1.1.30 root 5696: mcb_seg += 1 + mcb->paragraphs;
1.1.1.8 root 5697: }
5698: return(last_seg);
5699: }
5700:
1.1.1.19 root 5701: int msdos_mem_get_umb_linked()
5702: {
1.1.1.33 root 5703: mcb_t *mcb = (mcb_t *)(mem + MEMORY_END - 16);
5704: msdos_mcb_check(mcb);
1.1.1.19 root 5705:
1.1.1.33 root 5706: if(mcb->mz == 'M') {
5707: return(-1);
1.1.1.19 root 5708: }
5709: return(0);
5710: }
5711:
1.1.1.33 root 5712: void msdos_mem_link_umb()
1.1.1.19 root 5713: {
1.1.1.33 root 5714: mcb_t *mcb = (mcb_t *)(mem + MEMORY_END - 16);
5715: msdos_mcb_check(mcb);
1.1.1.19 root 5716:
1.1.1.33 root 5717: mcb->mz = 'M';
5718: mcb->paragraphs = (UMB_TOP >> 4) - (MEMORY_END >> 4);
1.1.1.39 root 5719:
5720: ((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked |= 0x01;
1.1.1.19 root 5721: }
5722:
1.1.1.33 root 5723: void msdos_mem_unlink_umb()
1.1.1.19 root 5724: {
1.1.1.33 root 5725: mcb_t *mcb = (mcb_t *)(mem + MEMORY_END - 16);
5726: msdos_mcb_check(mcb);
1.1.1.19 root 5727:
1.1.1.33 root 5728: mcb->mz = 'Z';
5729: mcb->paragraphs = 0;
1.1.1.39 root 5730:
5731: ((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked &= ~0x01;
1.1.1.19 root 5732: }
5733:
1.1.1.29 root 5734: #ifdef SUPPORT_HMA
5735:
5736: hma_mcb_t *msdos_hma_mcb_create(int offset, int owner, int size, int next)
5737: {
5738: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5739:
5740: mcb->ms[0] = 'M';
5741: mcb->ms[1] = 'S';
5742: mcb->owner = owner;
5743: mcb->size = size;
5744: mcb->next = next;
5745: return(mcb);
5746: }
5747:
5748: bool msdos_is_hma_mcb_valid(hma_mcb_t *mcb)
5749: {
5750: return(mcb->ms[0] == 'M' && mcb->ms[1] == 'S');
5751: }
5752:
5753: int msdos_hma_mem_split(int offset, int size)
5754: {
5755: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5756:
5757: if(!msdos_is_hma_mcb_valid(mcb)) {
5758: return(-1);
5759: }
5760: if(mcb->size >= size + 0x10) {
5761: int new_offset = offset + 0x10 + size;
5762: int new_size = mcb->size - 0x10 - size;
5763:
5764: msdos_hma_mcb_create(new_offset, 0, new_size, mcb->next);
5765: mcb->size = size;
5766: mcb->next = new_offset;
5767: return(0);
5768: }
5769: return(-1);
5770: }
5771:
5772: void msdos_hma_mem_merge(int offset)
5773: {
5774: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5775:
5776: if(!msdos_is_hma_mcb_valid(mcb)) {
5777: return;
5778: }
5779: while(1) {
5780: if(mcb->next == 0) {
5781: break;
5782: }
5783: hma_mcb_t *next_mcb = (hma_mcb_t *)(mem + 0xffff0 + mcb->next);
5784:
5785: if(!msdos_is_hma_mcb_valid(next_mcb)) {
5786: return;
5787: }
5788: if(next_mcb->owner != 0) {
5789: break;
5790: }
5791: mcb->size += 0x10 + next_mcb->size;
5792: mcb->next = next_mcb->next;
5793: }
5794: }
5795:
5796: int msdos_hma_mem_alloc(int size, UINT16 owner)
5797: {
5798: int offset = 0x10; // first mcb in HMA
5799:
5800: while(1) {
5801: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5802:
5803: if(!msdos_is_hma_mcb_valid(mcb)) {
5804: return(-1);
5805: }
5806: if(mcb->owner == 0) {
5807: msdos_hma_mem_merge(offset);
5808: }
5809: if(mcb->owner == 0 && mcb->size >= size) {
5810: msdos_hma_mem_split(offset, size);
5811: mcb->owner = owner;
5812: return(offset);
5813: }
5814: if(mcb->next == 0) {
5815: break;
5816: }
5817: offset = mcb->next;
5818: }
5819: return(-1);
5820: }
5821:
5822: int msdos_hma_mem_realloc(int offset, int size)
5823: {
5824: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5825:
5826: if(!msdos_is_hma_mcb_valid(mcb)) {
5827: return(-1);
5828: }
5829: if(mcb->size < size) {
5830: return(-1);
5831: }
5832: msdos_hma_mem_split(offset, size);
5833: return(0);
5834: }
5835:
5836: void msdos_hma_mem_free(int offset)
5837: {
5838: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5839:
5840: if(!msdos_is_hma_mcb_valid(mcb)) {
5841: return;
5842: }
5843: mcb->owner = 0;
5844: msdos_hma_mem_merge(offset);
5845: }
5846:
5847: int msdos_hma_mem_get_free(int *available_offset)
5848: {
5849: int offset = 0x10; // first mcb in HMA
5850: int size = 0;
5851:
5852: while(1) {
5853: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5854:
5855: if(!msdos_is_hma_mcb_valid(mcb)) {
5856: return(0);
5857: }
5858: if(mcb->owner == 0 && size < mcb->size) {
5859: if(available_offset != NULL) {
5860: *available_offset = offset;
5861: }
5862: size = mcb->size;
5863: }
5864: if(mcb->next == 0) {
5865: break;
5866: }
5867: offset = mcb->next;
5868: }
5869: return(size);
5870: }
5871:
5872: #endif
5873:
1.1 root 5874: // environment
5875:
1.1.1.45 root 5876: void msdos_env_set_argv(int env_seg, const char *argv)
1.1 root 5877: {
5878: char *dst = (char *)(mem + (env_seg << 4));
5879:
5880: while(1) {
5881: if(dst[0] == 0) {
5882: break;
5883: }
5884: dst += strlen(dst) + 1;
5885: }
5886: *dst++ = 0; // end of environment
5887: *dst++ = 1; // top of argv[0]
5888: *dst++ = 0;
5889: memcpy(dst, argv, strlen(argv));
5890: dst += strlen(argv);
5891: *dst++ = 0;
5892: *dst++ = 0;
5893: }
5894:
1.1.1.45 root 5895: const char *msdos_env_get_argv(int env_seg)
1.1 root 5896: {
5897: static char env[ENV_SIZE];
5898: char *src = env;
5899:
5900: memcpy(src, mem + (env_seg << 4), ENV_SIZE);
5901: while(1) {
5902: if(src[0] == 0) {
5903: if(src[1] == 1) {
5904: return(src + 3);
5905: }
5906: break;
5907: }
5908: src += strlen(src) + 1;
5909: }
5910: return(NULL);
5911: }
5912:
1.1.1.45 root 5913: const char *msdos_env_get(int env_seg, const char *name)
1.1 root 5914: {
5915: static char env[ENV_SIZE];
5916: char *src = env;
5917:
5918: memcpy(src, mem + (env_seg << 4), ENV_SIZE);
5919: while(1) {
5920: if(src[0] == 0) {
5921: break;
5922: }
5923: int len = strlen(src);
5924: char *n = my_strtok(src, "=");
5925: char *v = src + strlen(n) + 1;
5926:
5927: if(_stricmp(name, n) == 0) {
5928: return(v);
5929: }
5930: src += len + 1;
5931: }
5932: return(NULL);
5933: }
5934:
1.1.1.45 root 5935: void msdos_env_set(int env_seg, const char *name, const char *value)
1.1 root 5936: {
5937: char env[ENV_SIZE];
5938: char *src = env;
5939: char *dst = (char *)(mem + (env_seg << 4));
1.1.1.45 root 5940: const char *argv = msdos_env_get_argv(env_seg);
1.1 root 5941: int done = 0;
5942:
5943: memcpy(src, dst, ENV_SIZE);
5944: memset(dst, 0, ENV_SIZE);
5945: while(1) {
5946: if(src[0] == 0) {
5947: break;
5948: }
5949: int len = strlen(src);
5950: char *n = my_strtok(src, "=");
5951: char *v = src + strlen(n) + 1;
5952: char tmp[1024];
5953:
5954: if(_stricmp(name, n) == 0) {
5955: sprintf(tmp, "%s=%s", n, value);
5956: done = 1;
5957: } else {
5958: sprintf(tmp, "%s=%s", n, v);
5959: }
5960: memcpy(dst, tmp, strlen(tmp));
5961: dst += strlen(tmp) + 1;
5962: src += len + 1;
5963: }
5964: if(!done) {
5965: char tmp[1024];
5966:
5967: sprintf(tmp, "%s=%s", name, value);
5968: memcpy(dst, tmp, strlen(tmp));
5969: dst += strlen(tmp) + 1;
5970: }
5971: if(argv) {
5972: *dst++ = 0; // end of environment
5973: *dst++ = 1; // top of argv[0]
5974: *dst++ = 0;
5975: memcpy(dst, argv, strlen(argv));
5976: dst += strlen(argv);
5977: *dst++ = 0;
5978: *dst++ = 0;
5979: }
5980: }
5981:
5982: // process
5983:
1.1.1.8 root 5984: psp_t *msdos_psp_create(int psp_seg, UINT16 mcb_seg, UINT16 parent_psp, UINT16 env_seg)
1.1 root 5985: {
5986: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
5987:
5988: memset(psp, 0, PSP_SIZE);
5989: psp->exit[0] = 0xcd;
5990: psp->exit[1] = 0x20;
1.1.1.8 root 5991: psp->first_mcb = mcb_seg;
1.1.1.46 root 5992: #if 1
1.1.1.49 root 5993: psp->call5[0] = 0xcd; // int 30h
5994: psp->call5[1] = 0x30;
1.1.1.46 root 5995: psp->call5[2] = 0xc3; // ret
5996: #else
5997: psp->call5[0] = 0x8a; // mov ah, cl
5998: psp->call5[1] = 0xe1;
5999: psp->call5[2] = 0xcd; // int 21h
6000: psp->call5[3] = 0x21;
6001: psp->call5[4] = 0xc3; // ret
6002: #endif
1.1 root 6003: psp->int_22h.dw = *(UINT32 *)(mem + 4 * 0x22);
6004: psp->int_23h.dw = *(UINT32 *)(mem + 4 * 0x23);
6005: psp->int_24h.dw = *(UINT32 *)(mem + 4 * 0x24);
6006: psp->parent_psp = parent_psp;
1.1.1.20 root 6007: if(parent_psp == (UINT16)-1) {
6008: for(int i = 0; i < 20; i++) {
6009: if(file_handler[i].valid) {
6010: psp->file_table[i] = i;
6011: } else {
6012: psp->file_table[i] = 0xff;
6013: }
1.1 root 6014: }
1.1.1.20 root 6015: } else {
6016: memcpy(psp->file_table, ((psp_t *)(mem + (parent_psp << 4)))->file_table, 20);
1.1 root 6017: }
6018: psp->env_seg = env_seg;
6019: psp->stack.w.l = REG16(SP);
1.1.1.3 root 6020: psp->stack.w.h = SREG(SS);
1.1.1.14 root 6021: psp->file_table_size = 20;
6022: psp->file_table_ptr.w.l = 0x18;
6023: psp->file_table_ptr.w.h = psp_seg;
1.1 root 6024: psp->service[0] = 0xcd;
6025: psp->service[1] = 0x21;
6026: psp->service[2] = 0xcb;
6027: return(psp);
6028: }
6029:
1.1.1.20 root 6030: void msdos_psp_set_file_table(int fd, UINT8 value, int psp_seg)
6031: {
6032: if(psp_seg && fd < 20) {
6033: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
6034: psp->file_table[fd] = value;
6035: }
6036: }
6037:
6038: int msdos_psp_get_file_table(int fd, int psp_seg)
6039: {
6040: if(psp_seg && fd < 20) {
6041: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
6042: fd = psp->file_table[fd];
6043: }
6044: return fd;
6045: }
6046:
1.1.1.52 root 6047: int msdos_process_exec(const char *cmd, param_block_t *param, UINT8 al, bool first_process = false)
1.1 root 6048: {
6049: // load command file
6050: int fd = -1;
1.1.1.45 root 6051: int sio_port = 0;
6052: int lpt_port = 0;
1.1 root 6053: int dos_command = 0;
1.1.1.24 root 6054: char command[MAX_PATH], path[MAX_PATH], opt[MAX_PATH], *name = NULL, name_tmp[MAX_PATH];
1.1.1.38 root 6055: char pipe_stdin_path[MAX_PATH] = {0};
6056: char pipe_stdout_path[MAX_PATH] = {0};
1.1.1.39 root 6057: char pipe_stderr_path[MAX_PATH] = {0};
1.1 root 6058:
6059: int opt_ofs = (param->cmd_line.w.h << 4) + param->cmd_line.w.l;
6060: int opt_len = mem[opt_ofs];
6061: memset(opt, 0, sizeof(opt));
6062: memcpy(opt, mem + opt_ofs + 1, opt_len);
6063:
1.1.1.14 root 6064: if(strlen(cmd) >= 5 && _stricmp(&cmd[strlen(cmd) - 4], ".BAT") == 0) {
6065: // this is a batch file, run command.com
6066: char tmp[MAX_PATH];
6067: if(opt_len != 0) {
6068: sprintf(tmp, "/C %s %s", cmd, opt);
6069: } else {
6070: sprintf(tmp, "/C %s", cmd);
6071: }
6072: strcpy(opt, tmp);
6073: opt_len = strlen(opt);
6074: mem[opt_ofs] = opt_len;
6075: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
6076: strcpy(command, comspec_path);
6077: strcpy(name_tmp, "COMMAND.COM");
6078: } else {
6079: if(_stricmp(cmd, "C:\\COMMAND.COM") == 0) {
6080: // redirect C:\COMMAND.COM to comspec_path
6081: strcpy(command, comspec_path);
6082: } else {
6083: strcpy(command, cmd);
6084: }
1.1.1.24 root 6085: if(GetFullPathName(command, MAX_PATH, path, &name) == 0) {
6086: return(-1);
6087: }
1.1.1.14 root 6088: memset(name_tmp, 0, sizeof(name_tmp));
6089: strcpy(name_tmp, name);
6090:
6091: // check command.com
1.1.1.38 root 6092: if((_stricmp(name, "COMMAND.COM") == 0 || _stricmp(name, "COMMAND") == 0) && _access(comspec_path, 0) != 0) {
6093: // we can not load command.com, so run program directly if "command /c (program)" is specified
1.1.1.14 root 6094: if(opt_len == 0) {
6095: // process_t *current_process = msdos_process_info_get(current_psp);
6096: process_t *current_process = NULL;
6097: for(int i = 0; i < MAX_PROCESS; i++) {
6098: if(process[i].psp == current_psp) {
6099: current_process = &process[i];
6100: break;
6101: }
6102: }
6103: if(current_process != NULL) {
6104: param->cmd_line.dw = current_process->dta.dw;
6105: opt_ofs = (param->cmd_line.w.h << 4) + param->cmd_line.w.l;
6106: opt_len = mem[opt_ofs];
6107: memset(opt, 0, sizeof(opt));
6108: memcpy(opt, mem + opt_ofs + 1, opt_len);
6109: }
6110: }
6111: for(int i = 0; i < opt_len; i++) {
6112: if(opt[i] == ' ') {
6113: continue;
6114: }
6115: if(opt[i] == '/' && (opt[i + 1] == 'c' || opt[i + 1] == 'C') && opt[i + 2] == ' ') {
6116: for(int j = i + 3; j < opt_len; j++) {
6117: if(opt[j] == ' ') {
6118: continue;
6119: }
6120: char *token = my_strtok(opt + j, " ");
6121:
1.1.1.38 root 6122: strcpy(command, token);
6123: char tmp[MAX_PATH];
6124: strcpy(tmp, token + strlen(token) + 1);
1.1.1.39 root 6125: strcpy(opt, "");
6126: for(int i = 0; i < strlen(tmp); i++) {
6127: if(tmp[i] != ' ') {
6128: strcpy(opt, tmp + i);
6129: break;
6130: }
6131: }
6132: strcpy(tmp, opt);
1.1.1.38 root 6133:
6134: if(al == 0x00) {
1.1.1.39 root 6135: #define GET_FILE_PATH() { \
6136: if(token[0] != '>' && token[0] != '<') { \
6137: token++; \
6138: } \
6139: token++; \
6140: while(*token == ' ') { \
6141: token++; \
6142: } \
6143: char *ptr = token; \
6144: while(*ptr != ' ' && *ptr != '\r' && *ptr != '\0') { \
6145: ptr++; \
6146: } \
6147: *ptr = '\0'; \
6148: }
6149: if((token = strstr(opt, "0<")) != NULL || (token = strstr(opt, "<")) != NULL) {
6150: GET_FILE_PATH();
1.1.1.38 root 6151: strcpy(pipe_stdin_path, token);
6152: strcpy(opt, tmp);
6153: }
1.1.1.39 root 6154: if((token = strstr(opt, "1>")) != NULL || (token = strstr(opt, ">")) != NULL) {
6155: GET_FILE_PATH();
1.1.1.38 root 6156: strcpy(pipe_stdout_path, token);
6157: strcpy(opt, tmp);
6158: }
1.1.1.39 root 6159: if((token = strstr(opt, "2>")) != NULL) {
6160: GET_FILE_PATH();
6161: strcpy(pipe_stderr_path, token);
6162: strcpy(opt, tmp);
6163: }
6164: #undef GET_FILE_PATH
6165:
6166: if((token = strstr(opt, "0<")) != NULL) {
6167: *token = '\0';
6168: }
6169: if((token = strstr(opt, "1>")) != NULL) {
6170: *token = '\0';
6171: }
6172: if((token = strstr(opt, "2>")) != NULL) {
6173: *token = '\0';
6174: }
1.1.1.38 root 6175: if((token = strstr(opt, "<")) != NULL) {
6176: *token = '\0';
6177: }
6178: if((token = strstr(opt, ">")) != NULL) {
6179: *token = '\0';
6180: }
1.1.1.14 root 6181: }
1.1.1.39 root 6182: for(int i = strlen(opt) - 1; i >= 0 && opt[i] == ' '; i--) {
6183: opt[i] = '\0';
6184: }
1.1.1.38 root 6185: opt_len = strlen(opt);
6186: mem[opt_ofs] = opt_len;
6187: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
6188: dos_command = 1;
1.1.1.14 root 6189: break;
1.1 root 6190: }
6191: }
1.1.1.14 root 6192: break;
1.1 root 6193: }
6194: }
6195: }
6196:
6197: // load command file
6198: strcpy(path, command);
6199: if((fd = _open(path, _O_RDONLY | _O_BINARY)) == -1) {
6200: sprintf(path, "%s.COM", command);
6201: if((fd = _open(path, _O_RDONLY | _O_BINARY)) == -1) {
6202: sprintf(path, "%s.EXE", command);
6203: if((fd = _open(path, _O_RDONLY | _O_BINARY)) == -1) {
1.1.1.14 root 6204: sprintf(path, "%s.BAT", command);
6205: if(_access(path, 0) == 0) {
6206: // this is a batch file, run command.com
6207: char tmp[MAX_PATH];
6208: if(opt_len != 0) {
6209: sprintf(tmp, "/C %s %s", path, opt);
6210: } else {
6211: sprintf(tmp, "/C %s", path);
6212: }
6213: strcpy(opt, tmp);
6214: opt_len = strlen(opt);
6215: mem[opt_ofs] = opt_len;
6216: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
6217: strcpy(path, comspec_path);
6218: strcpy(name_tmp, "COMMAND.COM");
6219: fd = _open(path, _O_RDONLY | _O_BINARY);
6220: } else {
6221: // search path in parent environments
6222: psp_t *parent_psp = (psp_t *)(mem + (current_psp << 4));
1.1.1.45 root 6223: const char *env = msdos_env_get(parent_psp->env_seg, "PATH");
1.1.1.14 root 6224: if(env != NULL) {
6225: char env_path[4096];
6226: strcpy(env_path, env);
6227: char *token = my_strtok(env_path, ";");
6228:
6229: while(token != NULL) {
6230: if(strlen(token) != 0) {
6231: sprintf(path, "%s", msdos_combine_path(token, command));
6232: if((fd = _open(path, _O_RDONLY | _O_BINARY)) != -1) {
6233: break;
6234: }
6235: sprintf(path, "%s.COM", msdos_combine_path(token, command));
6236: if((fd = _open(path, _O_RDONLY | _O_BINARY)) != -1) {
6237: break;
6238: }
6239: sprintf(path, "%s.EXE", msdos_combine_path(token, command));
6240: if((fd = _open(path, _O_RDONLY | _O_BINARY)) != -1) {
6241: break;
6242: }
6243: sprintf(path, "%s.BAT", msdos_combine_path(token, command));
6244: if(_access(path, 0) == 0) {
6245: // this is a batch file, run command.com
6246: char tmp[MAX_PATH];
6247: if(opt_len != 0) {
6248: sprintf(tmp, "/C %s %s", path, opt);
6249: } else {
6250: sprintf(tmp, "/C %s", path);
6251: }
6252: strcpy(opt, tmp);
6253: opt_len = strlen(opt);
6254: mem[opt_ofs] = opt_len;
6255: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
6256: strcpy(path, comspec_path);
6257: strcpy(name_tmp, "COMMAND.COM");
6258: fd = _open(path, _O_RDONLY | _O_BINARY);
6259: break;
6260: }
1.1.1.8 root 6261: }
1.1.1.14 root 6262: token = my_strtok(NULL, ";");
1.1 root 6263: }
6264: }
6265: }
6266: }
6267: }
6268: }
6269: if(fd == -1) {
1.1.1.38 root 6270: // we can not find command.com in the path, so open comspec_path
6271: if(_stricmp(command, "COMMAND.COM") == 0 || _stricmp(command, "COMMAND") == 0) {
6272: strcpy(command, comspec_path);
6273: strcpy(path, command);
6274: fd = _open(path, _O_RDONLY | _O_BINARY);
6275: }
6276: }
6277: if(fd == -1) {
1.1.1.52 root 6278: if(!first_process && al == 0 && dos_command) {
1.1 root 6279: // may be dos command
6280: char tmp[MAX_PATH];
1.1.1.52 root 6281: if(opt_len != 0) {
6282: sprintf(tmp, "%s %s", command, opt);
6283: } else {
6284: sprintf(tmp, "%s", command);
6285: }
6286: retval = system(tmp);
1.1 root 6287: return(0);
6288: } else {
6289: return(-1);
6290: }
6291: }
1.1.1.52 root 6292: memset(file_buffer, 0, sizeof(file_buffer));
1.1 root 6293: _read(fd, file_buffer, sizeof(file_buffer));
6294: _close(fd);
6295:
1.1.1.52 root 6296: // check if this is win32 program
6297: if(!first_process && al == 0) {
6298: UINT16 sign_dos = *(UINT16 *)(file_buffer + 0x00);
6299: UINT32 e_lfanew = *(UINT32 *)(file_buffer + 0x3c);
6300: if(sign_dos == IMAGE_DOS_SIGNATURE && e_lfanew >= 0x40 && e_lfanew < 0x400) {
6301: UINT32 sign_nt = *(UINT32 *)(file_buffer + e_lfanew + 0x00);
6302: UINT16 machine = *(UINT16 *)(file_buffer + e_lfanew + 0x04);
6303: if(sign_nt == IMAGE_NT_SIGNATURE && (machine == IMAGE_FILE_MACHINE_I386 || machine == IMAGE_FILE_MACHINE_AMD64)) {
6304: char tmp[MAX_PATH];
6305: if(opt_len != 0) {
6306: sprintf(tmp, "\"%s\" %s", path, opt);
6307: } else {
6308: sprintf(tmp, "\"%s\"", path);
6309: }
6310: retval = system(tmp);
6311: return(0);
6312: }
6313: }
6314: }
6315:
1.1 root 6316: // copy environment
1.1.1.29 root 6317: int umb_linked, env_seg, psp_seg;
1.1 root 6318:
1.1.1.29 root 6319: if((umb_linked = msdos_mem_get_umb_linked()) != 0) {
6320: msdos_mem_unlink_umb();
6321: }
1.1.1.8 root 6322: if((env_seg = msdos_mem_alloc(first_mcb, ENV_SIZE >> 4, 1)) == -1) {
1.1.1.29 root 6323: if((env_seg = msdos_mem_alloc(UMB_TOP >> 4, ENV_SIZE >> 4, 1)) == -1) {
6324: if(umb_linked != 0) {
6325: msdos_mem_link_umb();
6326: }
6327: return(-1);
6328: }
1.1 root 6329: }
6330: if(param->env_seg == 0) {
6331: psp_t *parent_psp = (psp_t *)(mem + (current_psp << 4));
6332: memcpy(mem + (env_seg << 4), mem + (parent_psp->env_seg << 4), ENV_SIZE);
6333: } else {
6334: memcpy(mem + (env_seg << 4), mem + (param->env_seg << 4), ENV_SIZE);
6335: }
6336: msdos_env_set_argv(env_seg, msdos_short_full_path(path));
6337:
6338: // check exe header
6339: exe_header_t *header = (exe_header_t *)file_buffer;
1.1.1.8 root 6340: int paragraphs, free_paragraphs = msdos_mem_get_free(first_mcb, 1);
1.1 root 6341: UINT16 cs, ss, ip, sp;
6342:
6343: if(header->mz == 0x4d5a || header->mz == 0x5a4d) {
6344: // memory allocation
6345: int header_size = header->header_size * 16;
6346: int load_size = header->pages * 512 - header_size;
6347: if(header_size + load_size < 512) {
6348: load_size = 512 - header_size;
6349: }
6350: paragraphs = (PSP_SIZE + load_size) >> 4;
6351: if(paragraphs + header->min_alloc > free_paragraphs) {
6352: msdos_mem_free(env_seg);
6353: return(-1);
6354: }
6355: paragraphs += header->max_alloc ? header->max_alloc : header->min_alloc;
6356: if(paragraphs > free_paragraphs) {
6357: paragraphs = free_paragraphs;
6358: }
1.1.1.8 root 6359: if((psp_seg = msdos_mem_alloc(first_mcb, paragraphs, 1)) == -1) {
1.1.1.29 root 6360: if((psp_seg = msdos_mem_alloc(UMB_TOP >> 4, paragraphs, 1)) == -1) {
6361: if(umb_linked != 0) {
6362: msdos_mem_link_umb();
6363: }
6364: msdos_mem_free(env_seg);
6365: return(-1);
6366: }
1.1 root 6367: }
6368: // relocation
6369: int start_seg = psp_seg + (PSP_SIZE >> 4);
6370: for(int i = 0; i < header->relocations; i++) {
6371: int ofs = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 0);
6372: int seg = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 2);
6373: *(UINT16 *)(file_buffer + header_size + (seg << 4) + ofs) += start_seg;
6374: }
6375: memcpy(mem + (start_seg << 4), file_buffer + header_size, load_size);
6376: // segments
6377: cs = header->init_cs + start_seg;
6378: ss = header->init_ss + start_seg;
6379: ip = header->init_ip;
6380: sp = header->init_sp - 2; // for symdeb
6381: } else {
6382: // memory allocation
6383: paragraphs = free_paragraphs;
1.1.1.8 root 6384: if((psp_seg = msdos_mem_alloc(first_mcb, paragraphs, 1)) == -1) {
1.1.1.29 root 6385: if((psp_seg = msdos_mem_alloc(UMB_TOP >> 4, paragraphs, 1)) == -1) {
6386: if(umb_linked != 0) {
6387: msdos_mem_link_umb();
6388: }
6389: msdos_mem_free(env_seg);
6390: return(-1);
6391: }
1.1 root 6392: }
6393: int start_seg = psp_seg + (PSP_SIZE >> 4);
6394: memcpy(mem + (start_seg << 4), file_buffer, 0x10000 - PSP_SIZE);
6395: // segments
6396: cs = ss = psp_seg;
6397: ip = 0x100;
6398: sp = 0xfffe;
6399: }
1.1.1.29 root 6400: if(umb_linked != 0) {
6401: msdos_mem_link_umb();
6402: }
1.1 root 6403:
6404: // create psp
1.1.1.3 root 6405: *(UINT16 *)(mem + 4 * 0x22 + 0) = m_eip;
6406: *(UINT16 *)(mem + 4 * 0x22 + 2) = SREG(CS);
1.1 root 6407: psp_t *psp = msdos_psp_create(psp_seg, psp_seg + paragraphs, current_psp, env_seg);
6408: memcpy(psp->fcb1, mem + (param->fcb1.w.h << 4) + param->fcb1.w.l, sizeof(psp->fcb1));
6409: memcpy(psp->fcb2, mem + (param->fcb2.w.h << 4) + param->fcb2.w.l, sizeof(psp->fcb2));
6410: memcpy(psp->buffer, mem + (param->cmd_line.w.h << 4) + param->cmd_line.w.l, sizeof(psp->buffer));
6411:
6412: mcb_t *mcb_env = (mcb_t *)(mem + ((env_seg - 1) << 4));
6413: mcb_t *mcb_psp = (mcb_t *)(mem + ((psp_seg - 1) << 4));
6414: mcb_psp->psp = mcb_env->psp = psp_seg;
6415:
1.1.1.4 root 6416: for(int i = 0; i < 8; i++) {
6417: if(name_tmp[i] == '.') {
6418: mcb_psp->prog_name[i] = '\0';
6419: break;
6420: } else if(i < 7 && msdos_lead_byte_check(name_tmp[i])) {
6421: mcb_psp->prog_name[i] = name_tmp[i];
6422: i++;
6423: mcb_psp->prog_name[i] = name_tmp[i];
6424: } else if(name_tmp[i] >= 'a' && name_tmp[i] <= 'z') {
6425: mcb_psp->prog_name[i] = name_tmp[i] - 'a' + 'A';
6426: } else {
6427: mcb_psp->prog_name[i] = name_tmp[i];
6428: }
6429: }
6430:
1.1 root 6431: // process info
6432: process_t *process = msdos_process_info_create(psp_seg);
6433: strcpy(process->module_dir, msdos_short_full_dir(path));
1.1.1.33 root 6434: #ifdef USE_DEBUGGER
6435: strcpy(process->module_path, path);
6436: #endif
1.1 root 6437: process->dta.w.l = 0x80;
6438: process->dta.w.h = psp_seg;
6439: process->switchar = '/';
6440: process->max_files = 20;
6441: process->parent_int_10h_feh_called = int_10h_feh_called;
6442: process->parent_int_10h_ffh_called = int_10h_ffh_called;
1.1.1.14 root 6443: process->parent_ds = SREG(DS);
1.1.1.31 root 6444: process->parent_es = SREG(ES);
1.1 root 6445:
6446: current_psp = psp_seg;
1.1.1.23 root 6447: msdos_sda_update(current_psp);
1.1 root 6448:
6449: if(al == 0x00) {
6450: int_10h_feh_called = int_10h_ffh_called = false;
6451:
1.1.1.38 root 6452: // pipe
6453: if(pipe_stdin_path[0] != '\0') {
1.1.1.45 root 6454: // if((fd = _open(pipe_stdin_path, _O_RDONLY | _O_BINARY)) != -1) {
6455: if(msdos_is_device_path(pipe_stdin_path)) {
6456: fd = msdos_open_device(pipe_stdin_path, _O_RDONLY | _O_BINARY, &sio_port, &lpt_port);
6457: } else {
6458: fd = _open(pipe_stdin_path, _O_RDONLY | _O_BINARY);
6459: }
6460: if(fd != -1) {
6461: 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 6462: psp->file_table[0] = fd;
6463: msdos_psp_set_file_table(fd, fd, current_psp);
6464: }
6465: }
6466: if(pipe_stdout_path[0] != '\0') {
6467: if(_access(pipe_stdout_path, 0) == 0) {
6468: SetFileAttributes(pipe_stdout_path, FILE_ATTRIBUTE_NORMAL);
6469: DeleteFile(pipe_stdout_path);
6470: }
1.1.1.45 root 6471: // if((fd = _open(pipe_stdout_path, _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE)) != -1) {
6472: if(msdos_is_device_path(pipe_stdout_path)) {
6473: fd = msdos_open_device(pipe_stdout_path, _O_WRONLY | _O_BINARY, &sio_port, &lpt_port);
6474: } else {
6475: fd = _open(pipe_stdout_path, _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
6476: }
6477: if(fd != -1) {
6478: 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 6479: psp->file_table[1] = fd;
6480: msdos_psp_set_file_table(fd, fd, current_psp);
6481: }
6482: }
1.1.1.39 root 6483: if(pipe_stderr_path[0] != '\0') {
6484: if(_access(pipe_stderr_path, 0) == 0) {
6485: SetFileAttributes(pipe_stderr_path, FILE_ATTRIBUTE_NORMAL);
6486: DeleteFile(pipe_stderr_path);
6487: }
1.1.1.45 root 6488: // if((fd = _open(pipe_stderr_path, _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE)) != -1) {
6489: if(msdos_is_device_path(pipe_stderr_path)) {
6490: fd = msdos_open_device(pipe_stderr_path, _O_WRONLY | _O_BINARY, &sio_port, &lpt_port);
6491: } else {
6492: fd = _open(pipe_stdout_path, _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
6493: }
6494: if(fd != -1) {
6495: 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 6496: psp->file_table[2] = fd;
6497: msdos_psp_set_file_table(fd, fd, current_psp);
6498: }
6499: }
1.1.1.38 root 6500:
1.1 root 6501: // registers and segments
6502: REG16(AX) = REG16(BX) = 0x00;
6503: REG16(CX) = 0xff;
6504: REG16(DX) = psp_seg;
6505: REG16(SI) = ip;
6506: REG16(DI) = sp;
6507: REG16(SP) = sp;
1.1.1.3 root 6508: SREG(DS) = SREG(ES) = psp_seg;
6509: SREG(SS) = ss;
6510: i386_load_segment_descriptor(DS);
6511: i386_load_segment_descriptor(ES);
6512: i386_load_segment_descriptor(SS);
1.1 root 6513:
6514: *(UINT16 *)(mem + (ss << 4) + sp) = 0;
6515: i386_jmp_far(cs, ip);
6516: } else if(al == 0x01) {
6517: // copy ss:sp and cs:ip to param block
6518: param->sp = sp;
6519: param->ss = ss;
6520: param->ip = ip;
6521: param->cs = cs;
1.1.1.31 root 6522:
6523: // the AX value to be passed to the child program is put on top of the child's stack
6524: *(UINT16 *)(mem + (ss << 4) + sp) = REG16(AX);
1.1 root 6525: }
6526: return(0);
6527: }
6528:
6529: void msdos_process_terminate(int psp_seg, int ret, int mem_free)
6530: {
6531: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
6532:
6533: *(UINT32 *)(mem + 4 * 0x22) = psp->int_22h.dw;
6534: *(UINT32 *)(mem + 4 * 0x23) = psp->int_23h.dw;
6535: *(UINT32 *)(mem + 4 * 0x24) = psp->int_24h.dw;
6536:
1.1.1.3 root 6537: SREG(SS) = psp->stack.w.h;
6538: i386_load_segment_descriptor(SS);
1.1 root 6539: REG16(SP) = psp->stack.w.l;
6540: i386_jmp_far(psp->int_22h.w.h, psp->int_22h.w.l);
6541:
1.1.1.28 root 6542: // process_t *current_process = msdos_process_info_get(psp_seg);
6543: process_t *current_process = NULL;
6544: for(int i = 0; i < MAX_PROCESS; i++) {
6545: if(process[i].psp == psp_seg) {
6546: current_process = &process[i];
6547: break;
6548: }
6549: }
6550: if(current_process == NULL) {
6551: throw(0x1f); // general failure
6552: }
6553: int_10h_feh_called = current_process->parent_int_10h_feh_called;
6554: int_10h_ffh_called = current_process->parent_int_10h_ffh_called;
6555: if(current_process->called_by_int2eh) {
6556: REG16(AX) = ret;
6557: }
6558: SREG(DS) = current_process->parent_ds;
1.1.1.31 root 6559: SREG(ES) = current_process->parent_es;
1.1.1.14 root 6560: i386_load_segment_descriptor(DS);
1.1.1.31 root 6561: i386_load_segment_descriptor(ES);
1.1 root 6562:
6563: if(mem_free) {
1.1.1.8 root 6564: int mcb_seg;
6565: while((mcb_seg = msdos_mem_get_last_mcb(first_mcb, psp_seg)) != -1) {
6566: msdos_mem_free(mcb_seg + 1);
6567: }
6568: while((mcb_seg = msdos_mem_get_last_mcb(UMB_TOP >> 4, psp_seg)) != -1) {
6569: msdos_mem_free(mcb_seg + 1);
6570: }
1.1 root 6571:
6572: for(int i = 0; i < MAX_FILES; i++) {
6573: if(file_handler[i].valid && file_handler[i].psp == psp_seg) {
6574: _close(i);
1.1.1.20 root 6575: msdos_file_handler_close(i);
6576: msdos_psp_set_file_table(i, 0x0ff, psp_seg); // FIXME: consider duplicated file handles
1.1 root 6577: }
6578: }
1.1.1.13 root 6579: msdos_dta_info_free(psp_seg);
1.1 root 6580: }
1.1.1.14 root 6581: msdos_stdio_reopen();
1.1 root 6582:
1.1.1.28 root 6583: memset(current_process, 0, sizeof(process_t));
1.1 root 6584:
6585: current_psp = psp->parent_psp;
6586: retval = ret;
1.1.1.23 root 6587: msdos_sda_update(current_psp);
1.1 root 6588: }
6589:
6590: // drive
6591:
1.1.1.42 root 6592: int pcbios_update_drive_param(int drive_num, int force_update);
6593:
1.1 root 6594: int msdos_drive_param_block_update(int drive_num, UINT16 *seg, UINT16 *ofs, int force_update)
6595: {
1.1.1.41 root 6596: if(!(drive_num >= 0 && drive_num < 26)) {
6597: return(0);
6598: }
1.1.1.42 root 6599: pcbios_update_drive_param(drive_num, force_update);
6600:
6601: drive_param_t *drive_param = &drive_params[drive_num];
1.1 root 6602: *seg = DPB_TOP >> 4;
6603: *ofs = sizeof(dpb_t) * drive_num;
6604: dpb_t *dpb = (dpb_t *)(mem + (*seg << 4) + *ofs);
6605:
6606: memset(dpb, 0, sizeof(dpb_t));
6607:
1.1.1.41 root 6608: dpb->drive_num = drive_num;
6609: dpb->unit_num = drive_num;
1.1.1.42 root 6610:
6611: if(drive_param->valid) {
6612: DISK_GEOMETRY *geo = &drive_param->geometry;
6613:
6614: dpb->bytes_per_sector = (UINT16)geo->BytesPerSector;
6615: dpb->highest_sector_num = (UINT8)(geo->SectorsPerTrack - 1);
6616: dpb->highest_cluster_num = (UINT16)(geo->TracksPerCylinder * geo->Cylinders.QuadPart + 1);
6617: dpb->maximum_cluster_num = (UINT32)(geo->TracksPerCylinder * geo->Cylinders.QuadPart + 1);
6618: switch(geo->MediaType) {
6619: case F5_320_512: // floppy, double-sided, 8 sectors per track (320K)
6620: dpb->media_type = 0xff;
6621: break;
6622: case F5_160_512: // floppy, single-sided, 8 sectors per track (160K)
6623: dpb->media_type = 0xfe;
6624: break;
6625: case F5_360_512: // floppy, double-sided, 9 sectors per track (360K)
6626: dpb->media_type = 0xfd;
6627: break;
6628: case F5_180_512: // floppy, single-sided, 9 sectors per track (180K)
6629: dpb->media_type = 0xfc;
6630: break;
6631: case F5_1Pt2_512: // floppy, double-sided, 15 sectors per track (1.2M)
6632: case F3_1Pt2_512:
6633: case F3_720_512: // floppy, double-sided, 9 sectors per track (720K,3.5")
6634: case F5_720_512:
6635: dpb->media_type = 0xf9;
6636: break;
6637: case FixedMedia: // hard disk
6638: case RemovableMedia:
6639: case Unknown:
6640: dpb->media_type = 0xf8;
6641: break;
6642: default:
6643: dpb->media_type = 0xf0;
6644: break;
6645: }
6646: }
1.1.1.41 root 6647: dpb->next_dpb_ofs = (drive_num == 25) ? 0xffff : *ofs + sizeof(dpb_t);
6648: dpb->next_dpb_seg = (drive_num == 25) ? 0xffff : *seg;
1.1.1.42 root 6649: dpb->info_sector = 0xffff;
6650: dpb->backup_boot_sector = 0xffff;
6651: dpb->free_clusters = 0xffff;
6652: dpb->free_search_cluster = 0xffffffff;
6653:
6654: return(drive_param->valid);
1.1 root 6655: }
6656:
6657: // pc bios
6658:
1.1.1.35 root 6659: #ifdef USE_SERVICE_THREAD
6660: void start_service_loop(LPTHREAD_START_ROUTINE lpStartAddress)
6661: {
6662: #if defined(HAS_I386)
6663: if(m_SF != 0) {
6664: m_SF = 0;
1.1.1.49 root 6665: mem[DUMMY_TOP + 0x15] = 0x79; // jns -4
1.1.1.35 root 6666: } else {
6667: m_SF = 1;
1.1.1.49 root 6668: mem[DUMMY_TOP + 0x15] = 0x78; // js -4
1.1.1.35 root 6669: }
6670: #else
6671: if(m_SignVal < 0) {
6672: m_SignVal = 0;
1.1.1.49 root 6673: mem[DUMMY_TOP + 0x15] = 0x79; // jns -4
1.1.1.35 root 6674: } else {
6675: m_SignVal = -1;
1.1.1.49 root 6676: mem[DUMMY_TOP + 0x15] = 0x78; // js -4
1.1.1.35 root 6677: }
6678: #endif
1.1.1.49 root 6679: i386_call_far(DUMMY_TOP >> 4, 0x0013);
1.1.1.35 root 6680: in_service = true;
6681: service_exit = false;
6682: CloseHandle(CreateThread(NULL, 0, lpStartAddress, NULL, 0, NULL));
6683: }
6684:
6685: void finish_service_loop()
6686: {
6687: if(in_service && service_exit) {
6688: #if defined(HAS_I386)
6689: if(m_SF != 0) {
6690: m_SF = 0;
6691: } else {
6692: m_SF = 1;
6693: }
6694: #else
6695: if(m_SignVal < 0) {
6696: m_SignVal = 0;
6697: } else {
6698: m_SignVal = -1;
6699: }
6700: #endif
6701: in_service = false;
6702: }
6703: }
6704: #endif
6705:
1.1.1.19 root 6706: UINT32 get_ticks_since_midnight(UINT32 cur_msec)
6707: {
6708: static unsigned __int64 start_msec_since_midnight = 0;
6709: static unsigned __int64 start_msec_since_hostboot = 0;
6710:
6711: if(start_msec_since_midnight == 0) {
6712: SYSTEMTIME time;
6713: GetLocalTime(&time);
6714: start_msec_since_midnight = ((time.wHour * 60 + time.wMinute) * 60 + time.wSecond) * 1000 + time.wMilliseconds;
6715: start_msec_since_hostboot = cur_msec;
6716: }
6717: unsigned __int64 msec = (start_msec_since_midnight + cur_msec - start_msec_since_hostboot) % (24 * 60 * 60 * 1000);
6718: unsigned __int64 tick = msec * 0x1800b0 / (24 * 60 * 60 * 1000);
6719: return (UINT32)tick;
6720: }
6721:
6722: void pcbios_update_daily_timer_counter(UINT32 cur_msec)
6723: {
6724: UINT32 prev_tick = *(UINT32 *)(mem + 0x46c);
6725: UINT32 next_tick = get_ticks_since_midnight(cur_msec);
6726:
6727: if(prev_tick > next_tick) {
6728: mem[0x470] = 1;
6729: }
6730: *(UINT32 *)(mem + 0x46c) = next_tick;
6731: }
6732:
1.1.1.14 root 6733: inline void pcbios_irq0()
6734: {
6735: //++*(UINT32 *)(mem + 0x46c);
1.1.1.19 root 6736: pcbios_update_daily_timer_counter(timeGetTime());
1.1.1.14 root 6737: }
6738:
1.1.1.16 root 6739: int pcbios_get_text_vram_address(int page)
1.1 root 6740: {
6741: if(/*mem[0x449] == 0x03 || */mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.8 root 6742: return TEXT_VRAM_TOP;
1.1 root 6743: } else {
1.1.1.14 root 6744: return TEXT_VRAM_TOP + VIDEO_REGEN * (page % vram_pages);
1.1 root 6745: }
6746: }
6747:
1.1.1.16 root 6748: int pcbios_get_shadow_buffer_address(int page)
1.1 root 6749: {
1.1.1.14 root 6750: if(!int_10h_feh_called) {
1.1.1.16 root 6751: return pcbios_get_text_vram_address(page);
1.1.1.14 root 6752: } else if(/*mem[0x449] == 0x03 || */mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.8 root 6753: return SHADOW_BUF_TOP;
6754: } else {
1.1.1.14 root 6755: return SHADOW_BUF_TOP + VIDEO_REGEN * (page % vram_pages);
1.1.1.8 root 6756: }
6757: }
6758:
1.1.1.16 root 6759: int pcbios_get_shadow_buffer_address(int page, int x, int y)
1.1.1.8 root 6760: {
1.1.1.16 root 6761: return pcbios_get_shadow_buffer_address(page) + (x + y * scr_width) * 2;
1.1 root 6762: }
6763:
1.1.1.16 root 6764: void pcbios_set_console_size(int width, int height, bool clr_screen)
1.1 root 6765: {
1.1.1.14 root 6766: // clear the existing screen, not just the new one
6767: int clr_height = max(height, scr_height);
6768:
1.1.1.16 root 6769: if(scr_width != width || scr_height != height) {
6770: change_console_size(width, height);
1.1.1.14 root 6771: }
6772: mem[0x462] = 0;
6773: *(UINT16 *)(mem + 0x44e) = 0;
6774:
1.1.1.16 root 6775: text_vram_top_address = pcbios_get_text_vram_address(0);
6776: text_vram_end_address = text_vram_top_address + width * height * 2;
6777: shadow_buffer_top_address = pcbios_get_shadow_buffer_address(0);
6778: shadow_buffer_end_address = shadow_buffer_top_address + width * height * 2;
1.1.1.51 root 6779: cursor_position_address = 0x450 + mem[0x462] * 2;
1.1 root 6780:
1.1.1.23 root 6781: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.16 root 6782: if(clr_screen) {
1.1.1.14 root 6783: for(int ofs = shadow_buffer_top_address; ofs < shadow_buffer_end_address;) {
6784: mem[ofs++] = 0x20;
6785: mem[ofs++] = 0x07;
6786: }
6787:
1.1.1.35 root 6788: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6789: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 6790: #endif
1.1.1.14 root 6791: for(int y = 0; y < clr_height; y++) {
6792: for(int x = 0; x < scr_width; x++) {
6793: SCR_BUF(y,x).Char.AsciiChar = ' ';
6794: SCR_BUF(y,x).Attributes = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
1.1 root 6795: }
6796: }
6797: SMALL_RECT rect;
1.1.1.14 root 6798: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + clr_height - 1);
6799: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
6800: vram_length_char = vram_last_length_char = 0;
6801: vram_length_attr = vram_last_length_attr = 0;
1.1.1.35 root 6802: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6803: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 6804: #endif
1.1 root 6805: }
1.1.1.14 root 6806: COORD co;
6807: co.X = 0;
6808: co.Y = scr_top;
6809: SetConsoleCursorPosition(hStdout, co);
6810: cursor_moved = true;
6811: SetConsoleTextAttribute(hStdout, FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
1.1 root 6812: }
6813:
1.1.1.36 root 6814: void pcbios_update_cursor_position()
6815: {
6816: CONSOLE_SCREEN_BUFFER_INFO csbi;
6817: GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
6818: if(!restore_console_on_exit) {
6819: scr_top = csbi.srWindow.Top;
6820: }
6821: mem[0x450 + mem[0x462] * 2] = csbi.dwCursorPosition.X;
6822: mem[0x451 + mem[0x462] * 2] = csbi.dwCursorPosition.Y - scr_top;
6823: }
6824:
1.1.1.16 root 6825: inline void pcbios_int_10h_00h()
6826: {
6827: switch(REG8(AL) & 0x7f) {
6828: case 0x70: // v-text mode
6829: case 0x71: // extended cga v-text mode
6830: pcbios_set_console_size(scr_width, scr_height, !(REG8(AL) & 0x80));
6831: break;
6832: default:
6833: pcbios_set_console_size(80, 25, !(REG8(AL) & 0x80));
6834: break;
6835: }
6836: if(REG8(AL) & 0x80) {
6837: mem[0x487] |= 0x80;
6838: } else {
6839: mem[0x487] &= ~0x80;
6840: }
6841: mem[0x449] = REG8(AL) & 0x7f;
6842: }
6843:
1.1 root 6844: inline void pcbios_int_10h_01h()
6845: {
1.1.1.13 root 6846: mem[0x460] = REG8(CL);
6847: mem[0x461] = REG8(CH);
1.1.1.14 root 6848:
1.1.1.23 root 6849: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 6850: CONSOLE_CURSOR_INFO ci;
6851: GetConsoleCursorInfo(hStdout, &ci);
6852: // ci.bVisible = !(REG8(CH) & 0x60) && REG8(CH) <= REG8(CL);
6853: // if(ci.bVisible) {
6854: int lines = max(8, REG8(CL) + 1);
6855: ci.dwSize = (REG8(CL) - REG8(CH) + 1) * 100 / lines;
6856: // }
6857: SetConsoleCursorInfo(hStdout, &ci);
1.1 root 6858: }
6859:
6860: inline void pcbios_int_10h_02h()
6861: {
1.1.1.14 root 6862: // continuously setting the cursor effectively stops it blinking
6863: if(mem[0x462] == REG8(BH) && (REG8(DL) != mem[0x450 + REG8(BH) * 2] || REG8(DH) != mem[0x451 + REG8(BH) * 2])) {
1.1 root 6864: COORD co;
6865: co.X = REG8(DL);
1.1.1.14 root 6866: co.Y = REG8(DH) + scr_top;
6867:
6868: // some programs hide the cursor by moving it off screen
6869: static bool hidden = false;
1.1.1.23 root 6870: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 6871: CONSOLE_CURSOR_INFO ci;
6872: GetConsoleCursorInfo(hStdout, &ci);
6873:
6874: if(REG8(DH) >= scr_height || !SetConsoleCursorPosition(hStdout, co)) {
6875: if(ci.bVisible) {
6876: ci.bVisible = FALSE;
6877: // SetConsoleCursorInfo(hStdout, &ci);
6878: hidden = true;
6879: }
6880: } else if(hidden) {
6881: if(!ci.bVisible) {
6882: ci.bVisible = TRUE;
6883: // SetConsoleCursorInfo(hStdout, &ci);
6884: }
6885: hidden = false;
6886: }
1.1 root 6887: }
1.1.1.14 root 6888: mem[0x450 + (REG8(BH) % vram_pages) * 2] = REG8(DL);
6889: mem[0x451 + (REG8(BH) % vram_pages) * 2] = REG8(DH);
1.1 root 6890: }
6891:
6892: inline void pcbios_int_10h_03h()
6893: {
1.1.1.14 root 6894: REG8(DL) = mem[0x450 + (REG8(BH) % vram_pages) * 2];
6895: REG8(DH) = mem[0x451 + (REG8(BH) % vram_pages) * 2];
1.1 root 6896: REG8(CL) = mem[0x460];
6897: REG8(CH) = mem[0x461];
6898: }
6899:
6900: inline void pcbios_int_10h_05h()
6901: {
1.1.1.14 root 6902: if(REG8(AL) >= vram_pages) {
6903: return;
6904: }
6905: if(mem[0x462] != REG8(AL)) {
6906: vram_flush();
6907:
1.1.1.23 root 6908: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 6909: SMALL_RECT rect;
1.1.1.14 root 6910: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + scr_height - 1);
6911: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 6912:
1.1.1.16 root 6913: for(int y = 0, ofs = pcbios_get_shadow_buffer_address(mem[0x462]); y < scr_height; y++) {
1.1.1.14 root 6914: for(int x = 0; x < scr_width; x++) {
6915: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar;
6916: mem[ofs++] = SCR_BUF(y,x).Attributes;
1.1 root 6917: }
6918: }
1.1.1.16 root 6919: for(int y = 0, ofs = pcbios_get_shadow_buffer_address(REG8(AL)); y < scr_height; y++) {
1.1.1.14 root 6920: for(int x = 0; x < scr_width; x++) {
6921: SCR_BUF(y,x).Char.AsciiChar = mem[ofs++];
6922: SCR_BUF(y,x).Attributes = mem[ofs++];
1.1 root 6923: }
6924: }
1.1.1.14 root 6925: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 6926:
6927: COORD co;
1.1.1.14 root 6928: co.X = mem[0x450 + REG8(AL) * 2];
6929: co.Y = mem[0x451 + REG8(AL) * 2] + scr_top;
6930: if(co.Y < scr_top + scr_height) {
6931: SetConsoleCursorPosition(hStdout, co);
6932: }
1.1 root 6933: }
1.1.1.14 root 6934: mem[0x462] = REG8(AL);
6935: *(UINT16 *)(mem + 0x44e) = REG8(AL) * VIDEO_REGEN;
6936: int regen = min(scr_width * scr_height * 2, 0x8000);
1.1.1.16 root 6937: text_vram_top_address = pcbios_get_text_vram_address(mem[0x462]);
1.1.1.14 root 6938: text_vram_end_address = text_vram_top_address + regen;
1.1.1.16 root 6939: shadow_buffer_top_address = pcbios_get_shadow_buffer_address(mem[0x462]);
1.1.1.14 root 6940: shadow_buffer_end_address = shadow_buffer_top_address + regen;
1.1.1.51 root 6941: cursor_position_address = 0x450 + mem[0x462] * 2;
1.1 root 6942: }
6943:
6944: inline void pcbios_int_10h_06h()
6945: {
1.1.1.14 root 6946: if(REG8(CH) >= scr_height || REG8(CH) > REG8(DH) ||
6947: REG8(CL) >= scr_width || REG8(CL) > REG8(DL)) {
6948: return;
6949: }
6950: vram_flush();
6951:
1.1.1.23 root 6952: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 6953: SMALL_RECT rect;
1.1.1.14 root 6954: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + scr_height - 1);
6955: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
6956:
6957: int right = min(REG8(DL), scr_width - 1);
6958: int bottom = min(REG8(DH), scr_height - 1);
1.1 root 6959:
6960: if(REG8(AL) == 0) {
1.1.1.14 root 6961: for(int y = REG8(CH); y <= bottom; y++) {
1.1.1.16 root 6962: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 6963: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar = ' ';
6964: mem[ofs++] = SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 6965: }
6966: }
6967: } else {
1.1.1.14 root 6968: for(int y = REG8(CH), y2 = min(REG8(CH) + REG8(AL), bottom + 1); y <= bottom; y++, y2++) {
1.1.1.16 root 6969: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 6970: if(y2 <= bottom) {
6971: SCR_BUF(y,x) = SCR_BUF(y2,x);
1.1 root 6972: } else {
1.1.1.14 root 6973: SCR_BUF(y,x).Char.AsciiChar = ' ';
6974: SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 6975: }
1.1.1.14 root 6976: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar;
6977: mem[ofs++] = SCR_BUF(y,x).Attributes;
1.1 root 6978: }
6979: }
6980: }
1.1.1.14 root 6981: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 6982: }
6983:
6984: inline void pcbios_int_10h_07h()
6985: {
1.1.1.14 root 6986: if(REG8(CH) >= scr_height || REG8(CH) > REG8(DH) ||
6987: REG8(CL) >= scr_width || REG8(CL) > REG8(DL)) {
6988: return;
6989: }
6990: vram_flush();
6991:
1.1.1.23 root 6992: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 6993: SMALL_RECT rect;
1.1.1.14 root 6994: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + scr_height - 1);
6995: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
6996:
6997: int right = min(REG8(DL), scr_width - 1);
6998: int bottom = min(REG8(DH), scr_height - 1);
1.1 root 6999:
7000: if(REG8(AL) == 0) {
1.1.1.14 root 7001: for(int y = REG8(CH); y <= bottom; y++) {
1.1.1.16 root 7002: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 7003: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar = ' ';
7004: mem[ofs++] = SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 7005: }
7006: }
7007: } else {
1.1.1.14 root 7008: for(int y = bottom, y2 = max(REG8(CH) - 1, bottom - REG8(AL)); y >= REG8(CH); y--, y2--) {
1.1.1.16 root 7009: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 7010: if(y2 >= REG8(CH)) {
7011: SCR_BUF(y,x) = SCR_BUF(y2,x);
1.1 root 7012: } else {
1.1.1.14 root 7013: SCR_BUF(y,x).Char.AsciiChar = ' ';
7014: SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 7015: }
1.1.1.14 root 7016: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar;
7017: mem[ofs++] = SCR_BUF(y,x).Attributes;
1.1 root 7018: }
7019: }
7020: }
1.1.1.14 root 7021: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 7022: }
7023:
7024: inline void pcbios_int_10h_08h()
7025: {
7026: COORD co;
7027: DWORD num;
7028:
1.1.1.14 root 7029: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
7030: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
1.1 root 7031:
7032: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 7033: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 7034: co.Y += scr_top;
7035: vram_flush();
1.1 root 7036: ReadConsoleOutputCharacter(hStdout, scr_char, 1, co, &num);
7037: ReadConsoleOutputAttribute(hStdout, scr_attr, 1, co, &num);
7038: REG8(AL) = scr_char[0];
7039: REG8(AH) = scr_attr[0];
7040: } else {
1.1.1.16 root 7041: REG16(AX) = *(UINT16 *)(mem + pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y));
1.1 root 7042: }
7043: }
7044:
7045: inline void pcbios_int_10h_09h()
7046: {
7047: COORD co;
7048:
1.1.1.14 root 7049: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
7050: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
7051:
1.1.1.16 root 7052: int dest = pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y);
7053: int end = min(dest + REG16(CX) * 2, pcbios_get_shadow_buffer_address(REG8(BH), 0, scr_height));
1.1 root 7054:
7055: if(mem[0x462] == REG8(BH)) {
1.1.1.35 root 7056: #ifdef USE_VRAM_THREAD
1.1.1.14 root 7057: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 7058: #endif
1.1.1.16 root 7059: int vram = pcbios_get_shadow_buffer_address(REG8(BH));
1.1.1.14 root 7060: while(dest < end) {
7061: write_text_vram_char(dest - vram, REG8(AL));
7062: mem[dest++] = REG8(AL);
7063: write_text_vram_attr(dest - vram, REG8(BL));
7064: mem[dest++] = REG8(BL);
1.1 root 7065: }
1.1.1.35 root 7066: #ifdef USE_VRAM_THREAD
1.1.1.14 root 7067: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 7068: #endif
1.1 root 7069: } else {
1.1.1.14 root 7070: while(dest < end) {
1.1 root 7071: mem[dest++] = REG8(AL);
7072: mem[dest++] = REG8(BL);
7073: }
7074: }
7075: }
7076:
7077: inline void pcbios_int_10h_0ah()
7078: {
7079: COORD co;
7080:
1.1.1.14 root 7081: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
7082: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
7083:
1.1.1.16 root 7084: int dest = pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y);
7085: int end = min(dest + REG16(CX) * 2, pcbios_get_shadow_buffer_address(REG8(BH), 0, scr_height));
1.1 root 7086:
7087: if(mem[0x462] == REG8(BH)) {
1.1.1.35 root 7088: #ifdef USE_VRAM_THREAD
1.1.1.14 root 7089: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 7090: #endif
1.1.1.16 root 7091: int vram = pcbios_get_shadow_buffer_address(REG8(BH));
1.1.1.14 root 7092: while(dest < end) {
7093: write_text_vram_char(dest - vram, REG8(AL));
7094: mem[dest++] = REG8(AL);
7095: dest++;
1.1 root 7096: }
1.1.1.35 root 7097: #ifdef USE_VRAM_THREAD
1.1.1.14 root 7098: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 7099: #endif
1.1 root 7100: } else {
1.1.1.14 root 7101: while(dest < end) {
1.1 root 7102: mem[dest++] = REG8(AL);
7103: dest++;
7104: }
7105: }
7106: }
7107:
1.1.1.40 root 7108: HDC get_console_window_device_context()
7109: {
7110: static HWND hwndFound = 0;
7111:
7112: if(hwndFound == 0) {
7113: // https://support.microsoft.com/en-us/help/124103/how-to-obtain-a-console-window-handle-hwnd
7114: char pszNewWindowTitle[1024];
7115: char pszOldWindowTitle[1024];
7116:
7117: GetConsoleTitle(pszOldWindowTitle, 1024);
7118: wsprintf(pszNewWindowTitle,"%d/%d", GetTickCount(), GetCurrentProcessId());
7119: SetConsoleTitle(pszNewWindowTitle);
7120: Sleep(100);
7121: hwndFound = FindWindow(NULL, pszNewWindowTitle);
7122: SetConsoleTitle(pszOldWindowTitle);
7123: }
7124: return GetDC(hwndFound);
7125: }
7126:
7127: inline void pcbios_int_10h_0ch()
7128: {
7129: HDC hdc = get_console_window_device_context();
7130:
7131: if(hdc != NULL) {
7132: BYTE r = (REG8(AL) & 2) ? 255 : 0;
7133: BYTE g = (REG8(AL) & 4) ? 255 : 0;
7134: BYTE b = (REG8(AL) & 1) ? 255 : 0;
7135:
7136: if(REG8(AL) & 0x80) {
7137: COLORREF color = GetPixel(hdc, REG16(CX), REG16(DX));
7138: if(color != CLR_INVALID) {
7139: r ^= ((DWORD)color & 0x0000ff) ? 255 : 0;
7140: g ^= ((DWORD)color & 0x00ff00) ? 255 : 0;
7141: b ^= ((DWORD)color & 0xff0000) ? 255 : 0;
7142: }
7143: }
7144: SetPixel(hdc, REG16(CX), REG16(DX), RGB(r, g, b));
7145: }
7146: }
7147:
7148: inline void pcbios_int_10h_0dh()
7149: {
7150: HDC hdc = get_console_window_device_context();
7151: BYTE r = 0;
7152: BYTE g = 0;
7153: BYTE b = 0;
7154:
7155: if(hdc != NULL) {
7156: COLORREF color = GetPixel(hdc, REG16(CX), REG16(DX));
7157: if(color != CLR_INVALID) {
7158: r = ((DWORD)color & 0x0000ff) ? 255 : 0;
7159: g = ((DWORD)color & 0x00ff00) ? 255 : 0;
7160: b = ((DWORD)color & 0xff0000) ? 255 : 0;
7161: }
7162: }
7163: REG8(AL) = ((b != 0) ? 1 : 0) | ((r != 0) ? 2 : 0) | ((g != 0) ? 4 : 0);
7164: }
7165:
1.1 root 7166: inline void pcbios_int_10h_0eh()
7167: {
1.1.1.14 root 7168: DWORD num;
7169: COORD co;
7170:
1.1.1.54! root 7171: co.X = mem[0x450 + mem[0x462] * 2];
! 7172: co.Y = mem[0x451 + mem[0x462] * 2];
1.1.1.14 root 7173:
7174: if(REG8(AL) == 7) {
7175: //MessageBeep(-1);
7176: } else if(REG8(AL) == 8 || REG8(AL) == 10 || REG8(AL) == 13) {
7177: if(REG8(AL) == 10) {
7178: vram_flush();
7179: }
1.1.1.23 root 7180: WriteConsole(GetStdHandle(STD_OUTPUT_HANDLE), ®8(AL), 1, &num, NULL);
1.1.1.14 root 7181: cursor_moved = true;
7182: } else {
1.1.1.54! root 7183: int dest = pcbios_get_shadow_buffer_address(mem[0x462], co.X, co.Y);
1.1.1.35 root 7184: #ifdef USE_VRAM_THREAD
1.1.1.54! root 7185: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 7186: #endif
1.1.1.54! root 7187: int vram = pcbios_get_shadow_buffer_address(mem[0x462]);
! 7188: write_text_vram_char(dest - vram, REG8(AL));
1.1.1.35 root 7189: #ifdef USE_VRAM_THREAD
1.1.1.54! root 7190: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 7191: #endif
1.1.1.54! root 7192:
! 7193: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
! 7194: if(++co.X == scr_width) {
! 7195: co.X = 0;
! 7196: if(++co.Y == scr_height) {
! 7197: vram_flush();
! 7198: WriteConsole(hStdout, "\n", 1, &num, NULL);
1.1.1.14 root 7199: cursor_moved = true;
7200: }
7201: }
1.1.1.54! root 7202: if(!cursor_moved) {
! 7203: co.Y += scr_top;
! 7204: SetConsoleCursorPosition(hStdout, co);
! 7205: cursor_moved = true;
! 7206: }
1.1.1.14 root 7207: mem[dest] = REG8(AL);
7208: }
1.1 root 7209: }
7210:
7211: inline void pcbios_int_10h_0fh()
7212: {
7213: REG8(AL) = mem[0x449];
7214: REG8(AH) = mem[0x44a];
7215: REG8(BH) = mem[0x462];
7216: }
7217:
1.1.1.14 root 7218: inline void pcbios_int_10h_11h()
7219: {
7220: switch(REG8(AL)) {
1.1.1.16 root 7221: case 0x01:
1.1.1.14 root 7222: case 0x11:
1.1.1.54! root 7223: // pcbios_set_console_size(80, 28, true);
1.1.1.14 root 7224: break;
1.1.1.16 root 7225: case 0x02:
1.1.1.14 root 7226: case 0x12:
1.1.1.54! root 7227: // pcbios_set_console_size(80, 50, true);
1.1.1.14 root 7228: break;
1.1.1.16 root 7229: case 0x04:
1.1.1.14 root 7230: case 0x14:
1.1.1.54! root 7231: // pcbios_set_console_size(80, 25, true);
1.1.1.14 root 7232: break;
1.1.1.54! root 7233: // case 0x18:
! 7234: // pcbios_set_console_size(80, 50, true);
! 7235: // break;
1.1.1.14 root 7236: case 0x30:
7237: SREG(ES) = 0;
7238: i386_load_segment_descriptor(ES);
7239: REG16(BP) = 0;
7240: REG16(CX) = mem[0x485];
7241: REG8(DL) = mem[0x484];
7242: break;
1.1.1.54! root 7243: default:
! 7244: 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));
! 7245: m_CF = 1;
! 7246: break;
1.1.1.14 root 7247: }
7248: }
7249:
7250: inline void pcbios_int_10h_12h()
7251: {
1.1.1.16 root 7252: switch(REG8(BL)) {
7253: case 0x10:
1.1.1.14 root 7254: REG16(BX) = 0x0003;
7255: REG16(CX) = 0x0009;
1.1.1.16 root 7256: break;
1.1.1.14 root 7257: }
7258: }
7259:
1.1 root 7260: inline void pcbios_int_10h_13h()
7261: {
1.1.1.3 root 7262: int ofs = SREG_BASE(ES) + REG16(BP);
1.1 root 7263: COORD co;
7264: DWORD num;
7265:
7266: co.X = REG8(DL);
1.1.1.14 root 7267: co.Y = REG8(DH) + scr_top;
7268:
7269: vram_flush();
1.1 root 7270:
7271: switch(REG8(AL)) {
7272: case 0x00:
7273: case 0x01:
7274: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 7275: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 7276: CONSOLE_SCREEN_BUFFER_INFO csbi;
7277: GetConsoleScreenBufferInfo(hStdout, &csbi);
7278: SetConsoleCursorPosition(hStdout, co);
7279:
7280: if(csbi.wAttributes != REG8(BL)) {
7281: SetConsoleTextAttribute(hStdout, REG8(BL));
7282: }
1.1.1.14 root 7283: WriteConsole(hStdout, &mem[ofs], REG16(CX), &num, NULL);
7284:
1.1 root 7285: if(csbi.wAttributes != REG8(BL)) {
7286: SetConsoleTextAttribute(hStdout, csbi.wAttributes);
7287: }
7288: if(REG8(AL) == 0x00) {
1.1.1.15 root 7289: if(!restore_console_on_exit) {
7290: GetConsoleScreenBufferInfo(hStdout, &csbi);
7291: scr_top = csbi.srWindow.Top;
7292: }
1.1.1.14 root 7293: co.X = mem[0x450 + REG8(BH) * 2];
7294: co.Y = mem[0x451 + REG8(BH) * 2] + scr_top;
1.1 root 7295: SetConsoleCursorPosition(hStdout, co);
7296: } else {
7297: cursor_moved = true;
7298: }
7299: } else {
1.1.1.3 root 7300: m_CF = 1;
1.1 root 7301: }
7302: break;
7303: case 0x02:
7304: case 0x03:
7305: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 7306: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 7307: CONSOLE_SCREEN_BUFFER_INFO csbi;
7308: GetConsoleScreenBufferInfo(hStdout, &csbi);
7309: SetConsoleCursorPosition(hStdout, co);
7310:
7311: WORD wAttributes = csbi.wAttributes;
7312: for(int i = 0; i < REG16(CX); i++, ofs += 2) {
7313: if(wAttributes != mem[ofs + 1]) {
7314: SetConsoleTextAttribute(hStdout, mem[ofs + 1]);
7315: wAttributes = mem[ofs + 1];
7316: }
1.1.1.14 root 7317: WriteConsole(hStdout, &mem[ofs], 1, &num, NULL);
1.1 root 7318: }
7319: if(csbi.wAttributes != wAttributes) {
7320: SetConsoleTextAttribute(hStdout, csbi.wAttributes);
7321: }
7322: if(REG8(AL) == 0x02) {
1.1.1.14 root 7323: co.X = mem[0x450 + REG8(BH) * 2];
7324: co.Y = mem[0x451 + REG8(BH) * 2] + scr_top;
1.1 root 7325: SetConsoleCursorPosition(hStdout, co);
7326: } else {
7327: cursor_moved = true;
7328: }
7329: } else {
1.1.1.3 root 7330: m_CF = 1;
1.1 root 7331: }
7332: break;
7333: case 0x10:
7334: case 0x11:
7335: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 7336: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 7337: ReadConsoleOutputCharacter(hStdout, scr_char, REG16(CX), co, &num);
7338: ReadConsoleOutputAttribute(hStdout, scr_attr, REG16(CX), co, &num);
7339: for(int i = 0; i < num; i++) {
7340: mem[ofs++] = scr_char[i];
7341: mem[ofs++] = scr_attr[i];
1.1.1.45 root 7342: if(REG8(AL) & 0x01) {
1.1 root 7343: mem[ofs++] = 0;
7344: mem[ofs++] = 0;
7345: }
7346: }
7347: } else {
1.1.1.16 root 7348: 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 7349: mem[ofs++] = mem[src++];
7350: mem[ofs++] = mem[src++];
1.1.1.45 root 7351: if(REG8(AL) & 0x01) {
1.1 root 7352: mem[ofs++] = 0;
7353: mem[ofs++] = 0;
7354: }
1.1.1.14 root 7355: if(++co.X == scr_width) {
7356: if(++co.Y == scr_height) {
1.1 root 7357: break;
7358: }
7359: co.X = 0;
7360: }
7361: }
7362: }
7363: break;
1.1.1.45 root 7364: case 0x12: // ???
7365: case 0x13: // ???
1.1 root 7366: case 0x20:
7367: case 0x21:
7368: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 7369: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 7370: int len = min(REG16(CX), scr_width * scr_height);
7371: for(int i = 0; i < len; i++) {
1.1 root 7372: scr_char[i] = mem[ofs++];
7373: scr_attr[i] = mem[ofs++];
1.1.1.45 root 7374: if(REG8(AL) & 0x01) {
1.1 root 7375: ofs += 2;
7376: }
7377: }
1.1.1.14 root 7378: WriteConsoleOutputCharacter(hStdout, scr_char, len, co, &num);
7379: WriteConsoleOutputAttribute(hStdout, scr_attr, len, co, &num);
1.1 root 7380: } else {
1.1.1.16 root 7381: 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 7382: mem[dest++] = mem[ofs++];
7383: mem[dest++] = mem[ofs++];
1.1.1.45 root 7384: if(REG8(AL) & 0x01) {
1.1 root 7385: ofs += 2;
7386: }
1.1.1.14 root 7387: if(++co.X == scr_width) {
7388: if(++co.Y == scr_height) {
1.1 root 7389: break;
7390: }
7391: co.X = 0;
7392: }
7393: }
7394: }
7395: break;
7396: default:
1.1.1.22 root 7397: 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 7398: m_CF = 1;
1.1 root 7399: break;
7400: }
7401: }
7402:
1.1.1.30 root 7403: inline void pcbios_int_10h_18h()
7404: {
7405: switch(REG8(AL)) {
7406: case 0x00:
7407: case 0x01:
7408: // REG8(AL) = 0x86;
7409: REG8(AL) = 0x00;
7410: break;
7411: default:
7412: 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));
7413: m_CF = 1;
7414: break;
7415: }
7416: }
7417:
1.1.1.14 root 7418: inline void pcbios_int_10h_1ah()
7419: {
7420: switch(REG8(AL)) {
7421: case 0x00:
7422: REG8(AL) = 0x1a;
7423: REG8(BL) = 0x08;
7424: REG8(BH) = 0x00;
7425: break;
7426: default:
1.1.1.22 root 7427: 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 7428: m_CF = 1;
7429: break;
7430: }
7431: }
7432:
1.1 root 7433: inline void pcbios_int_10h_1dh()
7434: {
7435: switch(REG8(AL)) {
1.1.1.43 root 7436: case 0x00:
7437: // DOS/V Shift Status Line Control is not supported
7438: m_CF = 1;
7439: break;
1.1 root 7440: case 0x01:
7441: break;
7442: case 0x02:
7443: REG16(BX) = 0;
7444: break;
7445: default:
1.1.1.22 root 7446: 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));
7447: m_CF = 1;
7448: break;
7449: }
7450: }
7451:
7452: inline void pcbios_int_10h_4fh()
7453: {
7454: switch(REG8(AL)) {
7455: case 0x00:
7456: REG8(AH) = 0x02; // not supported
7457: break;
7458: case 0x01:
7459: case 0x02:
7460: case 0x03:
7461: case 0x04:
7462: case 0x05:
7463: case 0x06:
7464: case 0x07:
7465: case 0x08:
7466: case 0x09:
7467: case 0x0a:
7468: case 0x0b:
7469: case 0x0c:
7470: REG8(AH) = 0x01; // failed
7471: break;
7472: default:
7473: 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 7474: m_CF = 1;
1.1 root 7475: break;
7476: }
7477: }
7478:
7479: inline void pcbios_int_10h_82h()
7480: {
7481: static UINT8 mode = 0;
7482:
7483: switch(REG8(AL)) {
1.1.1.22 root 7484: case 0x00:
1.1 root 7485: if(REG8(BL) != 0xff) {
7486: mode = REG8(BL);
7487: }
7488: REG8(AL) = mode;
7489: break;
7490: default:
1.1.1.22 root 7491: 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 7492: m_CF = 1;
1.1 root 7493: break;
7494: }
7495: }
7496:
1.1.1.22 root 7497: inline void pcbios_int_10h_83h()
7498: {
7499: static UINT8 mode = 0;
7500:
7501: switch(REG8(AL)) {
7502: case 0x00:
7503: REG16(AX) = 0; // offset???
7504: SREG(ES) = (SHADOW_BUF_TOP >> 4);
7505: i386_load_segment_descriptor(ES);
7506: REG16(BX) = (SHADOW_BUF_TOP & 0x0f);
7507: break;
7508: default:
7509: 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));
7510: m_CF = 1;
7511: break;
7512: }
7513: }
7514:
7515: inline void pcbios_int_10h_90h()
7516: {
7517: REG8(AL) = mem[0x449];
7518: }
7519:
7520: inline void pcbios_int_10h_91h()
7521: {
7522: REG8(AL) = 0x04; // VGA
7523: }
7524:
7525: inline void pcbios_int_10h_efh()
7526: {
7527: REG16(DX) = 0xffff;
7528: }
7529:
1.1 root 7530: inline void pcbios_int_10h_feh()
7531: {
7532: if(mem[0x449] == 0x03 || mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.8 root 7533: SREG(ES) = (SHADOW_BUF_TOP >> 4);
1.1.1.3 root 7534: i386_load_segment_descriptor(ES);
1.1.1.8 root 7535: REG16(DI) = (SHADOW_BUF_TOP & 0x0f);
1.1 root 7536: }
7537: int_10h_feh_called = true;
7538: }
7539:
7540: inline void pcbios_int_10h_ffh()
7541: {
7542: if(mem[0x449] == 0x03 || mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.23 root 7543: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 7544: COORD co;
7545: DWORD num;
7546:
1.1.1.14 root 7547: vram_flush();
7548:
7549: co.X = (REG16(DI) >> 1) % scr_width;
7550: co.Y = (REG16(DI) >> 1) / scr_width;
1.1.1.16 root 7551: int ofs = pcbios_get_shadow_buffer_address(0, co.X, co.Y);
7552: int end = min(ofs + REG16(CX) * 2, pcbios_get_shadow_buffer_address(0, 0, scr_height));
1.1.1.14 root 7553: int len;
7554: for(len = 0; ofs < end; len++) {
7555: scr_char[len] = mem[ofs++];
7556: scr_attr[len] = mem[ofs++];
7557: }
7558: co.Y += scr_top;
7559: WriteConsoleOutputCharacter(hStdout, scr_char, len, co, &num);
7560: WriteConsoleOutputAttribute(hStdout, scr_attr, len, co, &num);
1.1 root 7561: }
7562: int_10h_ffh_called = true;
7563: }
7564:
1.1.1.42 root 7565: int pcbios_update_drive_param(int drive_num, int force_update)
7566: {
7567: if(drive_num >= 0 && drive_num < 26) {
7568: drive_param_t *drive_param = &drive_params[drive_num];
7569:
7570: if(force_update || !drive_param->initialized) {
7571: drive_param->valid = 0;
7572: char dev[64];
7573: sprintf(dev, "\\\\.\\%c:", 'A' + drive_num);
7574:
7575: HANDLE hFile = CreateFile(dev, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
7576: if(hFile != INVALID_HANDLE_VALUE) {
7577: DWORD dwSize;
7578: if(DeviceIoControl(hFile, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0, &drive_param->geometry, sizeof(DISK_GEOMETRY), &dwSize, NULL)) {
7579: drive_param->valid = 1;
7580: }
7581: CloseHandle(hFile);
7582: }
7583: drive_param->initialized = 1;
7584: }
7585: return(drive_param->valid);
7586: }
7587: return(0);
7588: }
7589:
7590: inline void pcbios_int_13h_00h()
7591: {
7592: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7593:
7594: if(pcbios_update_drive_param(drive_num, 1)) {
7595: REG8(AH) = 0x00; // successful completion
7596: } else {
7597: if(REG8(DL) & 0x80) {
7598: REG8(AH) = 0x05; // reset failed (hard disk)
7599: } else {
7600: REG8(AH) = 0x80; // timeout (not ready)
7601: }
7602: m_CF = 1;
7603: }
7604: }
7605:
7606: inline void pcbios_int_13h_02h()
7607: {
7608: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7609:
7610: if(REG8(AL) == 0) {
7611: REG8(AH) = 0x01; // invalid function in AH or invalid parameter
7612: m_CF = 1;
7613: } else if(!pcbios_update_drive_param(drive_num, 0)) {
7614: REG8(AH) = 0xff; // sense operation failed (hard disk)
7615: m_CF = 1;
7616: } else {
7617: drive_param_t *drive_param = &drive_params[drive_num];
7618: DISK_GEOMETRY *geo = &drive_param->geometry;
7619: char dev[64];
7620: sprintf(dev, "\\\\.\\%c:", 'A' + drive_num);
7621:
7622: HANDLE hFile = CreateFile(dev, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
7623: if(hFile == INVALID_HANDLE_VALUE) {
7624: REG8(AH) = 0xff; // sense operation failed (hard disk)
7625: m_CF = 1;
7626: } else {
7627: UINT32 sector_num = REG8(AL);
7628: UINT32 cylinder = REG8(CH) | ((REG8(CL) & 0xc0) << 2);
7629: UINT32 head = REG8(DH);
7630: UINT32 sector = REG8(CL) & 0x3f;
7631: UINT32 top_sector = ((cylinder * drive_param->head_num() + head) * geo->SectorsPerTrack) + sector - 1;
7632: UINT32 buffer_addr = SREG_BASE(ES) + REG16(BX);
7633: DWORD dwSize;
7634:
7635: // if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
7636: // REG8(AH) = 0xff; // sense operation failed (hard disk)
7637: // m_CF = 1;
7638: // } else
7639: if(SetFilePointer(hFile, top_sector * geo->BytesPerSector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
7640: REG8(AH) = 0x04; // sector not found/read error
7641: m_CF = 1;
7642: } else if(ReadFile(hFile, mem + buffer_addr, sector_num * geo->BytesPerSector, &dwSize, NULL) == 0) {
7643: REG8(AH) = 0x04; // sector not found/read error
7644: m_CF = 1;
7645: } else {
7646: REG8(AH) = 0x00; // successful completion
7647: }
7648: CloseHandle(hFile);
7649: }
7650: }
7651: }
7652:
7653: inline void pcbios_int_13h_03h()
7654: {
7655: // this operation may cause serious damage for drives, so support only floppy disk...
7656: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7657:
7658: if(REG8(AL) == 0) {
7659: REG8(AH) = 0x01; // invalid function in AH or invalid parameter
7660: m_CF = 1;
7661: } else if(!pcbios_update_drive_param(drive_num, 0)) {
7662: REG8(AH) = 0xff; // sense operation failed (hard disk)
7663: m_CF = 1;
7664: } else if(!drive_params[drive_num].is_fdd()) {
7665: REG8(AH) = 0xff; // sense operation failed (hard disk)
7666: m_CF = 1;
7667: } else {
7668: drive_param_t *drive_param = &drive_params[drive_num];
7669: DISK_GEOMETRY *geo = &drive_param->geometry;
7670: char dev[64];
7671: sprintf(dev, "\\\\.\\%c:", 'A' + drive_num);
7672:
7673: HANDLE hFile = CreateFile(dev, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
7674: if(hFile == INVALID_HANDLE_VALUE) {
7675: REG8(AH) = 0xff; // sense operation failed (hard disk)
7676: m_CF = 1;
7677: } else {
7678: UINT32 sector_num = REG8(AL);
7679: UINT32 cylinder = REG8(CH) | ((REG8(CL) & 0xc0) << 2);
7680: UINT32 head = REG8(DH);
7681: UINT32 sector = REG8(CL) & 0x3f;
7682: UINT32 top_sector = ((cylinder * drive_param->head_num() + head) * geo->SectorsPerTrack) + sector - 1;
7683: UINT32 buffer_addr = SREG_BASE(ES) + REG16(BX);
7684: DWORD dwSize;
7685:
7686: // if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
7687: // REG8(AH) = 0xff; // sense operation failed (hard disk)
7688: // m_CF = 1;
7689: // } else
7690: if(SetFilePointer(hFile, top_sector * geo->BytesPerSector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
7691: REG8(AH) = 0x04; // sector not found/read error
7692: m_CF = 1;
7693: } else if(WriteFile(hFile, mem + buffer_addr, sector_num * geo->BytesPerSector, &dwSize, NULL) == 0) {
7694: REG8(AH) = 0x04; // sector not found/read error
7695: m_CF = 1;
7696: } else {
7697: REG8(AH) = 0x00; // successful completion
7698: }
7699: CloseHandle(hFile);
7700: }
7701: }
7702: }
7703:
7704: inline void pcbios_int_13h_04h()
7705: {
7706: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7707:
7708: if(REG8(AL) == 0) {
7709: REG8(AH) = 0x01; // invalid function in AH or invalid parameter
7710: m_CF = 1;
7711: } else if(!pcbios_update_drive_param(drive_num, 0)) {
7712: REG8(AH) = 0xff; // sense operation failed (hard disk)
7713: m_CF = 1;
7714: } else {
7715: drive_param_t *drive_param = &drive_params[drive_num];
7716: DISK_GEOMETRY *geo = &drive_param->geometry;
7717: char dev[64];
7718: sprintf(dev, "\\\\.\\%c:", 'A' + drive_num);
7719:
7720: HANDLE hFile = CreateFile(dev, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
7721: if(hFile == INVALID_HANDLE_VALUE) {
7722: REG8(AH) = 0xff; // sense operation failed (hard disk)
7723: m_CF = 1;
7724: } else {
7725: UINT32 sector_num = REG8(AL);
7726: UINT32 cylinder = REG8(CH) | ((REG8(CL) & 0xc0) << 2);
7727: UINT32 head = REG8(DH);
7728: UINT32 sector = REG8(CL) & 0x3f;
7729: UINT32 top_sector = ((cylinder * drive_param->head_num() + head) * geo->SectorsPerTrack) + sector - 1;
7730: UINT32 buffer_addr = SREG_BASE(ES) + REG16(BX);
7731: DWORD dwSize;
7732: UINT8 *tmp_buffer = (UINT8 *)malloc(sector_num * geo->BytesPerSector);
7733:
7734: // if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
7735: // REG8(AH) = 0xff; // sense operation failed (hard disk)
7736: // m_CF = 1;
7737: // } else
7738: if(SetFilePointer(hFile, top_sector * geo->BytesPerSector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
7739: REG8(AH) = 0x04; // sector not found/read error
7740: m_CF = 1;
7741: } else if(ReadFile(hFile, tmp_buffer, sector_num * geo->BytesPerSector, &dwSize, NULL) == 0) {
7742: REG8(AH) = 0x04; // sector not found/read error
7743: m_CF = 1;
7744: } else if(memcmp(mem + buffer_addr, tmp_buffer, sector_num * geo->BytesPerSector) != 0) {
7745: REG8(AH) = 0x05; // data did not verify correctly (TI Professional PC)
7746: m_CF = 1;
7747: } else {
7748: REG8(AH) = 0x00; // successful completion
7749: }
7750: free(tmp_buffer);
7751: CloseHandle(hFile);
7752: }
7753: }
7754: }
7755:
7756: inline void pcbios_int_13h_08h()
7757: {
7758: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7759:
7760: if(pcbios_update_drive_param(drive_num, 1)) {
7761: drive_param_t *drive_param = &drive_params[drive_num];
7762: DISK_GEOMETRY *geo = &drive_param->geometry;
7763:
7764: REG16(AX) = 0x0000;
7765: switch(geo->MediaType) {
7766: case F5_360_512:
7767: case F5_320_512:
7768: case F5_320_1024:
7769: case F5_180_512:
7770: case F5_160_512:
7771: REG8(BL) = 0x01; // 320K/360K disk
7772: break;
7773: case F5_1Pt2_512:
7774: case F3_1Pt2_512:
7775: case F3_1Pt23_1024:
7776: case F5_1Pt23_1024:
7777: REG8(BL) = 0x02; // 1.2M disk
7778: break;
7779: case F3_720_512:
7780: case F3_640_512:
7781: case F5_640_512:
7782: case F5_720_512:
7783: REG8(BL) = 0x03; // 720K disk
7784: break;
7785: case F3_1Pt44_512:
7786: REG8(BL) = 0x04; // 1.44M disk
7787: break;
7788: case F3_2Pt88_512:
7789: REG8(BL) = 0x06; // 2.88M disk
7790: break;
7791: case RemovableMedia:
7792: REG8(BL) = 0x10; // ATAPI Removable Media Device
7793: break;
7794: default:
7795: REG8(BL) = 0x00; // unknown
7796: break;
7797: }
7798: if(REG8(DL) & 0x80) {
7799: switch(GetLogicalDrives() & 0x0c) {
7800: case 0x00: REG8(DL) = 0x00; break;
7801: case 0x04:
7802: case 0x08: REG8(DL) = 0x01; break;
7803: case 0x0c: REG8(DL) = 0x02; break;
7804: }
7805: } else {
7806: switch(GetLogicalDrives() & 0x03) {
7807: case 0x00: REG8(DL) = 0x00; break;
7808: case 0x01:
7809: case 0x02: REG8(DL) = 0x01; break;
7810: case 0x03: REG8(DL) = 0x02; break;
7811: }
7812: }
7813: REG8(DH) = drive_param->head_num();
7814: int cyl = (geo->Cylinders.QuadPart > 0x3ff) ? 0x3ff : geo->Cylinders.QuadPart;
7815: int sec = (geo->SectorsPerTrack > 0x3f) ? 0x3f : geo->SectorsPerTrack;
7816: REG8(CH) = cyl & 0xff;
7817: REG8(CL) = (sec & 0x3f) | ((cyl & 0x300) >> 2);
7818: } else {
7819: REG8(AH) = 0x07;
7820: m_CF = 1;
7821: }
7822: }
7823:
7824: inline void pcbios_int_13h_10h()
7825: {
7826: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7827:
7828: if(pcbios_update_drive_param(drive_num, 1)) {
7829: REG8(AH) = 0x00; // successful completion
7830: } else {
7831: if(REG8(DL) & 0x80) {
7832: REG8(AH) = 0xaa; // drive not ready (hard disk)
7833: } else {
7834: REG8(AH) = 0x80; // timeout (not ready)
7835: }
7836: m_CF = 1;
7837: }
7838: }
7839:
7840: inline void pcbios_int_13h_15h()
7841: {
7842: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7843:
7844: if(pcbios_update_drive_param(drive_num, 1)) {
7845: if(REG8(DL) & 0x80) {
7846: REG8(AH) = 0x02; // floppy (or other removable drive) with change-line support
7847: } else {
7848: REG8(AH) = 0x03; // hard disk
7849: }
7850: } else {
7851: REG8(AH) = 0x00; // no such drive
7852: }
7853: }
7854:
1.1.1.43 root 7855: inline void pcbios_int_13h_41h()
7856: {
7857: if(REG16(BX) == 0x55aa) {
7858: // IBM/MS INT 13 Extensions is not installed
7859: REG8(AH) = 0x01;
7860: m_CF = 1;
7861: } else {
7862: 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));
7863: REG8(AH) = 0x01;
7864: m_CF = 1;
7865: }
7866: }
7867:
1.1.1.25 root 7868: inline void pcbios_int_14h_00h()
7869: {
1.1.1.29 root 7870: if(REG16(DX) < 4) {
1.1.1.25 root 7871: static const unsigned int rate[] = {110, 150, 300, 600, 1200, 2400, 4800, 9600};
7872: UINT8 selector = sio_read(REG16(DX), 3);
7873: selector &= ~0x3f;
7874: selector |= REG8(AL) & 0x1f;
7875: UINT16 divisor = 115200 / rate[REG8(AL) >> 5];
7876: sio_write(REG16(DX), 3, selector | 0x80);
7877: sio_write(REG16(DX), 0, divisor & 0xff);
7878: sio_write(REG16(DX), 1, divisor >> 8);
7879: sio_write(REG16(DX), 3, selector);
7880: REG8(AH) = sio_read(REG16(DX), 5);
7881: REG8(AL) = sio_read(REG16(DX), 6);
7882: } else {
7883: REG8(AH) = 0x80;
7884: }
7885: }
7886:
7887: inline void pcbios_int_14h_01h()
7888: {
1.1.1.29 root 7889: if(REG16(DX) < 4) {
1.1.1.25 root 7890: UINT8 selector = sio_read(REG16(DX), 3);
7891: sio_write(REG16(DX), 3, selector & ~0x80);
7892: sio_write(REG16(DX), 0, REG8(AL));
7893: sio_write(REG16(DX), 3, selector);
7894: REG8(AH) = sio_read(REG16(DX), 5);
7895: } else {
7896: REG8(AH) = 0x80;
7897: }
7898: }
7899:
7900: inline void pcbios_int_14h_02h()
7901: {
1.1.1.29 root 7902: if(REG16(DX) < 4) {
1.1.1.25 root 7903: UINT8 selector = sio_read(REG16(DX), 3);
7904: sio_write(REG16(DX), 3, selector & ~0x80);
7905: REG8(AL) = sio_read(REG16(DX), 0);
7906: sio_write(REG16(DX), 3, selector);
7907: REG8(AH) = sio_read(REG16(DX), 5);
7908: } else {
7909: REG8(AH) = 0x80;
7910: }
7911: }
7912:
7913: inline void pcbios_int_14h_03h()
7914: {
1.1.1.29 root 7915: if(REG16(DX) < 4) {
1.1.1.25 root 7916: REG8(AH) = sio_read(REG16(DX), 5);
7917: REG8(AL) = sio_read(REG16(DX), 6);
7918: } else {
7919: REG8(AH) = 0x80;
7920: }
7921: }
7922:
7923: inline void pcbios_int_14h_04h()
7924: {
1.1.1.29 root 7925: if(REG16(DX) < 4) {
1.1.1.25 root 7926: UINT8 selector = sio_read(REG16(DX), 3);
7927: if(REG8(CH) <= 0x03) {
7928: selector = (selector & ~0x03) | REG8(CH);
7929: }
7930: if(REG8(BL) == 0x00) {
7931: selector &= ~0x04;
7932: } else if(REG8(BL) == 0x01) {
7933: selector |= 0x04;
7934: }
7935: if(REG8(BH) == 0x00) {
7936: selector = (selector & ~0x38) | 0x00;
7937: } else if(REG8(BH) == 0x01) {
7938: selector = (selector & ~0x38) | 0x08;
7939: } else if(REG8(BH) == 0x02) {
7940: selector = (selector & ~0x38) | 0x18;
7941: } else if(REG8(BH) == 0x03) {
7942: selector = (selector & ~0x38) | 0x28;
7943: } else if(REG8(BH) == 0x04) {
7944: selector = (selector & ~0x38) | 0x38;
7945: }
7946: if(REG8(AL) == 0x00) {
7947: selector |= 0x40;
7948: } else if(REG8(AL) == 0x01) {
7949: selector &= ~0x40;
7950: }
7951: if(REG8(CL) <= 0x0b) {
7952: static const unsigned int rate[] = {110, 150, 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200};
7953: UINT16 divisor = 115200 / rate[REG8(CL)];
7954: sio_write(REG16(DX), 3, selector | 0x80);
7955: sio_write(REG16(DX), 0, divisor & 0xff);
7956: sio_write(REG16(DX), 1, divisor >> 8);
7957: }
7958: sio_write(REG16(DX), 3, selector);
7959: REG8(AH) = sio_read(REG16(DX), 5);
7960: REG8(AL) = sio_read(REG16(DX), 6);
7961: } else {
7962: REG8(AH) = 0x80;
7963: }
7964: }
7965:
7966: inline void pcbios_int_14h_05h()
7967: {
1.1.1.29 root 7968: if(REG16(DX) < 4) {
1.1.1.25 root 7969: if(REG8(AL) == 0x00) {
7970: REG8(BL) = sio_read(REG16(DX), 4);
7971: REG8(AH) = sio_read(REG16(DX), 5);
7972: REG8(AL) = sio_read(REG16(DX), 6);
7973: } else if(REG8(AL) == 0x01) {
7974: sio_write(REG16(DX), 4, REG8(BL));
7975: REG8(AH) = sio_read(REG16(DX), 5);
7976: REG8(AL) = sio_read(REG16(DX), 6);
7977: } else {
7978: 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));
7979: }
7980: } else {
7981: REG8(AH) = 0x80;
7982: }
7983: }
7984:
1.1.1.14 root 7985: inline void pcbios_int_15h_10h()
7986: {
1.1.1.22 root 7987: switch(REG8(AL)) {
7988: case 0x00:
1.1.1.14 root 7989: Sleep(10);
1.1.1.35 root 7990: REQUEST_HARDWRE_UPDATE();
1.1.1.22 root 7991: break;
7992: default:
7993: 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 7994: REG8(AH) = 0x86;
7995: m_CF = 1;
7996: }
7997: }
7998:
1.1 root 7999: inline void pcbios_int_15h_23h()
8000: {
8001: switch(REG8(AL)) {
1.1.1.22 root 8002: case 0x00:
1.1.1.8 root 8003: REG8(CL) = cmos_read(0x2d);
8004: REG8(CH) = cmos_read(0x2e);
1.1 root 8005: break;
1.1.1.22 root 8006: case 0x01:
1.1.1.8 root 8007: cmos_write(0x2d, REG8(CL));
8008: cmos_write(0x2e, REG8(CH));
1.1 root 8009: break;
8010: default:
1.1.1.22 root 8011: 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 8012: REG8(AH) = 0x86;
1.1.1.3 root 8013: m_CF = 1;
1.1 root 8014: break;
8015: }
8016: }
8017:
8018: inline void pcbios_int_15h_24h()
8019: {
8020: switch(REG8(AL)) {
1.1.1.22 root 8021: case 0x00:
1.1.1.3 root 8022: i386_set_a20_line(0);
1.1 root 8023: REG8(AH) = 0;
8024: break;
1.1.1.22 root 8025: case 0x01:
1.1.1.3 root 8026: i386_set_a20_line(1);
1.1 root 8027: REG8(AH) = 0;
8028: break;
1.1.1.22 root 8029: case 0x02:
1.1 root 8030: REG8(AH) = 0;
1.1.1.3 root 8031: REG8(AL) = (m_a20_mask >> 20) & 1;
1.1 root 8032: REG16(CX) = 0;
8033: break;
1.1.1.22 root 8034: case 0x03:
1.1 root 8035: REG16(AX) = 0;
8036: REG16(BX) = 0;
8037: break;
1.1.1.22 root 8038: default:
8039: 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));
8040: REG8(AH) = 0x86;
8041: m_CF = 1;
8042: break;
1.1 root 8043: }
8044: }
8045:
8046: inline void pcbios_int_15h_49h()
8047: {
1.1.1.27 root 8048: REG8(AH) = 0x00;
8049: REG8(BL) = 0x00; // DOS/V
1.1 root 8050: }
8051:
1.1.1.22 root 8052: inline void pcbios_int_15h_50h()
8053: {
8054: switch(REG8(AL)) {
8055: case 0x00:
8056: case 0x01:
8057: if(REG8(BH) != 0x00 && REG8(BH) != 0x01) {
8058: REG8(AH) = 0x01; // invalid font type in bh
8059: m_CF = 1;
1.1.1.27 root 8060: } else if(REG8(BL) != 0x00) {
1.1.1.22 root 8061: REG8(AH) = 0x02; // bl not zero
8062: m_CF = 1;
8063: } else if(REG16(BP) != 0 && REG16(BP) != 437 && REG16(BP) != 932 && REG16(BP) != 934 && REG16(BP) != 936 && REG16(BP) != 938) {
8064: REG8(AH) = 0x04; // invalid code page
8065: m_CF = 1;
1.1.1.27 root 8066: } else if(REG8(AL) == 0x01) {
8067: REG8(AH) = 0x06; // font is read only
1.1.1.22 root 8068: m_CF = 1;
1.1.1.27 root 8069: } else {
1.1.1.49 root 8070: // dummy font read routine is at fffc:000d
8071: SREG(ES) = DUMMY_TOP >> 4;
1.1.1.27 root 8072: i386_load_segment_descriptor(ES);
1.1.1.32 root 8073: REG16(BX) = 0x000d;
1.1.1.27 root 8074: REG8(AH) = 0x00; // success
1.1.1.22 root 8075: }
8076: break;
8077: default:
8078: 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));
8079: REG8(AH) = 0x86;
8080: m_CF = 1;
8081: break;
8082: }
8083: }
8084:
1.1.1.30 root 8085: inline void pcbios_int_15h_53h()
8086: {
8087: switch(REG8(AL)) {
8088: case 0x00:
8089: // APM is not installed
8090: REG8(AH) = 0x86;
8091: m_CF = 1;
8092: break;
8093: default:
8094: 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));
8095: REG8(AH) = 0x86;
8096: m_CF = 1;
8097: break;
8098: }
8099: }
8100:
1.1.1.43 root 8101: inline void pcbios_int_15h_84h()
8102: {
8103: // joystick support (from DOSBox)
8104: switch(REG16(DX)) {
8105: case 0x00:
8106: REG16(AX) = 0x00f0;
8107: REG16(DX) = 0x0201;
8108: m_CF = 1;
8109: break;
8110: case 0x01:
8111: REG16(AX) = REG16(BX) = REG16(CX) = REG16(DX) = 0x0000;
8112: m_CF = 1;
8113: break;
8114: default:
8115: 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));
8116: REG8(AH) = 0x86;
8117: m_CF = 1;
8118: break;
8119: }
8120: }
1.1.1.35 root 8121:
8122: DWORD WINAPI pcbios_int_15h_86h_thread(LPVOID)
1.1 root 8123: {
8124: UINT32 usec = (REG16(CX) << 16) | REG16(DX);
1.1.1.14 root 8125: UINT32 msec = usec / 1000;
8126:
1.1.1.54! root 8127: while(msec && !m_exit) {
1.1.1.14 root 8128: UINT32 tmp = min(msec, 100);
8129: if(msec - tmp < 10) {
8130: tmp = msec;
8131: }
8132: Sleep(tmp);
8133: msec -= tmp;
8134: }
1.1.1.35 root 8135:
8136: #ifdef USE_SERVICE_THREAD
8137: service_exit = true;
8138: #endif
8139: return(0);
8140: }
8141:
8142: inline void pcbios_int_15h_86h()
8143: {
8144: if(!(REG16(CX) == 0 && REG16(DX) == 0)) {
8145: #ifdef USE_SERVICE_THREAD
1.1.1.51 root 8146: if(!in_service && !in_service_29h) {
8147: start_service_loop(pcbios_int_15h_86h_thread);
8148: } else {
8149: #endif
8150: pcbios_int_15h_86h_thread(NULL);
8151: REQUEST_HARDWRE_UPDATE();
8152: #ifdef USE_SERVICE_THREAD
8153: }
1.1.1.35 root 8154: #endif
8155: }
1.1 root 8156: }
8157:
8158: inline void pcbios_int_15h_87h()
8159: {
8160: // copy extended memory (from DOSBox)
8161: int len = REG16(CX) * 2;
1.1.1.3 root 8162: int ofs = SREG_BASE(ES) + REG16(SI);
1.1 root 8163: int src = (*(UINT32 *)(mem + ofs + 0x12) & 0xffffff); // + (mem[ofs + 0x16] << 24);
8164: int dst = (*(UINT32 *)(mem + ofs + 0x1a) & 0xffffff); // + (mem[ofs + 0x1e] << 24);
8165: memcpy(mem + dst, mem + src, len);
8166: REG16(AX) = 0x00;
8167: }
8168:
8169: inline void pcbios_int_15h_88h()
8170: {
1.1.1.17 root 8171: REG16(AX) = ((min(MAX_MEM, 0x4000000) - 0x100000) >> 10);
1.1 root 8172: }
8173:
8174: inline void pcbios_int_15h_89h()
8175: {
1.1.1.21 root 8176: #if defined(HAS_I286) || defined(HAS_I386)
1.1 root 8177: // switch to protected mode (from DOSBox)
8178: write_io_byte(0x20, 0x10);
8179: write_io_byte(0x21, REG8(BH));
8180: write_io_byte(0x21, 0x00);
8181: write_io_byte(0xa0, 0x10);
8182: write_io_byte(0xa1, REG8(BL));
8183: write_io_byte(0xa1, 0x00);
1.1.1.3 root 8184: i386_set_a20_line(1);
8185: int ofs = SREG_BASE(ES) + REG16(SI);
8186: m_gdtr.limit = *(UINT16 *)(mem + ofs + 0x08);
8187: m_gdtr.base = *(UINT32 *)(mem + ofs + 0x08 + 0x02) & 0xffffff;
8188: m_idtr.limit = *(UINT16 *)(mem + ofs + 0x10);
8189: m_idtr.base = *(UINT32 *)(mem + ofs + 0x10 + 0x02) & 0xffffff;
8190: #if defined(HAS_I386)
8191: m_cr[0] |= 1;
8192: #else
8193: m_msw |= 1;
8194: #endif
8195: SREG(DS) = 0x18;
8196: SREG(ES) = 0x20;
8197: SREG(SS) = 0x28;
8198: i386_load_segment_descriptor(DS);
8199: i386_load_segment_descriptor(ES);
8200: i386_load_segment_descriptor(SS);
1.1.1.21 root 8201: UINT16 offset = *(UINT16 *)(mem + SREG_BASE(SS) + REG16(SP));
1.1 root 8202: REG16(SP) += 6;
1.1.1.3 root 8203: #if defined(HAS_I386)
1.1.1.21 root 8204: UINT32 flags = get_flags();
8205: flags &= (0x20000 | 0x40000 | 0x80000 | 0x100000 | 0x200000);
8206: set_flags(flags);
1.1.1.3 root 8207: #else
1.1.1.21 root 8208: UINT32 flags = CompressFlags();
8209: flags &= (0x20000 | 0x40000 | 0x80000 | 0x100000 | 0x200000);
8210: ExpandFlags(flags);
1.1.1.3 root 8211: #endif
1.1 root 8212: REG16(AX) = 0x00;
1.1.1.21 root 8213: i386_jmp_far(0x30, /*REG16(CX)*/offset);
1.1 root 8214: #else
1.1.1.21 root 8215: // i86/i186/v30: protected mode is not supported
1.1 root 8216: REG8(AH) = 0x86;
1.1.1.3 root 8217: m_CF = 1;
1.1 root 8218: #endif
8219: }
8220:
1.1.1.21 root 8221: inline void pcbios_int_15h_8ah()
8222: {
8223: UINT32 size = MAX_MEM - 0x100000;
8224: REG16(AX) = size & 0xffff;
8225: REG16(DX) = size >> 16;
8226: }
8227:
1.1.1.54! root 8228: #ifdef EXT_BIOS_TOP
! 8229: inline void pcbios_int_15h_c1h()
! 8230: {
! 8231: SREG(ES) = EXT_BIOS_TOP >> 4;
! 8232: i386_load_segment_descriptor(ES);
! 8233: }
! 8234: #endif
! 8235:
! 8236: void pcbios_read_from_ps2_mouse(UINT16 *data_1st, UINT16 *data_2nd, UINT16 *data_3rd)
! 8237: {
! 8238: // from DOSBox DoPS2Callback()
! 8239: UINT16 mdat = 0x08;
! 8240: INT16 xdiff = mouse.position.x - mouse.prev_position.x;
! 8241: INT16 ydiff = mouse.prev_position.y - mouse.position.y;
! 8242:
! 8243: if(mouse.buttons[0].status) {
! 8244: mdat |= 0x01;
! 8245: }
! 8246: if(mouse.buttons[1].status) {
! 8247: mdat |= 0x02;
! 8248: }
! 8249: mouse.prev_position.x = mouse.position.x;
! 8250: mouse.prev_position.y = mouse.position.y;
! 8251: if((xdiff > 0xff) || (xdiff < -0xff)) {
! 8252: mdat |= 0x40; // x overflow
! 8253: }
! 8254: if((ydiff > 0xff) || (ydiff < -0xff)) {
! 8255: mdat |= 0x80; // y overflow
! 8256: }
! 8257: xdiff %= 256;
! 8258: ydiff %= 256;
! 8259: if(xdiff < 0) {
! 8260: xdiff = (0x100 + xdiff);
! 8261: mdat |= 0x10;
! 8262: }
! 8263: if(ydiff < 0) {
! 8264: ydiff = (0x100 + ydiff);
! 8265: mdat |= 0x20;
! 8266: }
! 8267: *data_1st = (UINT16)mdat;
! 8268: *data_2nd = (UINT16)(xdiff % 256);
! 8269: *data_3rd = (UINT16)(ydiff % 256);
! 8270: }
! 8271:
! 8272: inline void pcbios_int_15h_c2h()
! 8273: {
! 8274: static UINT8 enabled = 0;
! 8275: static UINT8 sampling_rate = 5;
! 8276: static UINT8 resolution = 2;
! 8277: static UINT8 scaling = 1;
! 8278:
! 8279: switch(REG8(AL)) {
! 8280: case 0x00:
! 8281: if(REG8(BH) == 0x00 || REG8(BH) == 0x01) {
! 8282: enabled = REG8(BH);
! 8283: REG8(AH) = 0x00; // successful
! 8284: } else {
! 8285: REG8(AH) = 0x01; // invalid function
! 8286: m_CF = 1;
! 8287: }
! 8288: break;
! 8289: case 0x01:
! 8290: REG8(BH) = 0x00; // device id
! 8291: REG8(BL) = 0xaa; // mouse
! 8292: case 0x05:
! 8293: enabled = 0;
! 8294: sampling_rate = 5;
! 8295: resolution = 2;
! 8296: scaling = 1;
! 8297: REG8(AH) = 0x00; // successful
! 8298: break;
! 8299: case 0x02:
! 8300: sampling_rate = REG8(BH);
! 8301: REG8(AH) = 0x00; // successful
! 8302: break;
! 8303: case 0x03:
! 8304: resolution = REG8(BH);
! 8305: REG8(AH) = 0x00; // successful
! 8306: break;
! 8307: case 0x04:
! 8308: REG8(BH) = 0x00; // device id
! 8309: REG8(AH) = 0x00; // successful
! 8310: break;
! 8311: case 0x06:
! 8312: switch(REG8(BH)) {
! 8313: case 0x00:
! 8314: REG8(BL) = 0x00;
! 8315: if(mouse.buttons[1].status) {
! 8316: REG8(BL) |= 0x01;
! 8317: }
! 8318: if(mouse.buttons[0].status) {
! 8319: REG8(BL) |= 0x04;
! 8320: }
! 8321: if(scaling == 2) {
! 8322: REG8(BL) |= 0x10;
! 8323: }
! 8324: REG8(CL) = resolution;
! 8325: switch(sampling_rate) {
! 8326: case 0: REG8(DL) = 10; break;
! 8327: case 1: REG8(DL) = 20; break;
! 8328: case 2: REG8(DL) = 40; break;
! 8329: case 3: REG8(DL) = 60; break;
! 8330: case 4: REG8(DL) = 80; break;
! 8331: // case 5: REG8(DL) = 100; break;
! 8332: case 6: REG8(DL) = 200; break;
! 8333: default: REG8(DL) = 100; break;
! 8334: }
! 8335: REG8(AH) = 0x00; // successful
! 8336: break;
! 8337: case 0x01:
! 8338: case 0x02:
! 8339: scaling = REG8(BH);
! 8340: REG8(AH) = 0x00; // successful
! 8341: break;
! 8342: default:
! 8343: 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));
! 8344: REG8(AH) = 0x01; // invalid function
! 8345: m_CF = 1;
! 8346: break;
! 8347: }
! 8348: break;
! 8349: case 0x07: // set device handler addr
! 8350: mouse.call_addr_ps2.w.l = REG16(BX);
! 8351: mouse.call_addr_ps2.w.h = SREG(ES);
! 8352: REG8(AH) = 0x00; // successful
! 8353: break;
! 8354: case 0x08:
! 8355: REG8(AH) = 0x00; // successful
! 8356: break;
! 8357: case 0x09:
! 8358: {
! 8359: UINT16 data_1st, data_2nd, data_3rd;
! 8360: pcbios_read_from_ps2_mouse(&data_1st, &data_2nd, &data_3rd);
! 8361: REG8(BL) = (UINT8)(data_1st & 0xff);
! 8362: REG8(CL) = (UINT8)(data_2nd & 0xff);
! 8363: REG8(DL) = (UINT8)(data_3rd & 0xff);
! 8364: }
! 8365: REG8(AH) = 0x00; // successful
! 8366: break;
! 8367: default:
! 8368: 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));
! 8369: // REG8(AH) = 0x86;
! 8370: REG8(AH) = 0x01; // invalid function
! 8371: m_CF = 1;
! 8372: break;
! 8373: }
! 8374: }
! 8375:
1.1.1.3 root 8376: #if defined(HAS_I386)
1.1 root 8377: inline void pcbios_int_15h_c9h()
8378: {
8379: REG8(AH) = 0x00;
8380: REG8(CH) = cpu_type;
8381: REG8(CL) = cpu_step;
8382: }
1.1.1.3 root 8383: #endif
1.1 root 8384:
8385: inline void pcbios_int_15h_cah()
8386: {
8387: switch(REG8(AL)) {
1.1.1.22 root 8388: case 0x00:
1.1 root 8389: if(REG8(BL) > 0x3f) {
8390: REG8(AH) = 0x03;
1.1.1.3 root 8391: m_CF = 1;
1.1 root 8392: } else if(REG8(BL) < 0x0e) {
8393: REG8(AH) = 0x04;
1.1.1.3 root 8394: m_CF = 1;
1.1 root 8395: } else {
1.1.1.8 root 8396: REG8(CL) = cmos_read(REG8(BL));
1.1 root 8397: }
8398: break;
1.1.1.22 root 8399: case 0x01:
1.1 root 8400: if(REG8(BL) > 0x3f) {
8401: REG8(AH) = 0x03;
1.1.1.3 root 8402: m_CF = 1;
1.1 root 8403: } else if(REG8(BL) < 0x0e) {
8404: REG8(AH) = 0x04;
1.1.1.3 root 8405: m_CF = 1;
1.1 root 8406: } else {
1.1.1.8 root 8407: cmos_write(REG8(BL), REG8(CL));
1.1 root 8408: }
8409: break;
8410: default:
1.1.1.22 root 8411: 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 8412: REG8(AH) = 0x86;
1.1.1.3 root 8413: m_CF = 1;
1.1 root 8414: break;
8415: }
8416: }
8417:
1.1.1.22 root 8418: inline void pcbios_int_15h_e8h()
1.1.1.17 root 8419: {
1.1.1.22 root 8420: switch(REG8(AL)) {
8421: #if defined(HAS_I386)
8422: case 0x01:
8423: REG16(AX) = REG16(CX) = ((min(MAX_MEM, 0x1000000) - 0x100000) >> 10);
8424: REG16(BX) = REG16(DX) = ((max(MAX_MEM, 0x1000000) - 0x1000000) >> 16);
8425: break;
1.1.1.17 root 8426: #endif
1.1.1.22 root 8427: default:
8428: 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));
8429: REG8(AH) = 0x86;
8430: m_CF = 1;
8431: break;
8432: }
8433: }
1.1.1.17 root 8434:
1.1.1.51 root 8435: void pcbios_clear_key_buffer()
8436: {
8437: key_buf_char->clear();
8438: key_buf_scan->clear();
8439:
8440: // update key buffer
8441: *(UINT16 *)(mem + 0x41a) = *(UINT16 *)(mem + 0x41c); // head = tail
8442: }
8443:
8444: void pcbios_set_key_buffer(int key_char, int key_scan)
8445: {
8446: key_buf_char->write(key_char);
8447: key_buf_scan->write(key_scan);
8448:
8449: // update key buffer
8450: UINT16 head = *(UINT16 *)(mem + 0x41a);
8451: UINT16 tail = *(UINT16 *)(mem + 0x41c);
8452: UINT16 next = tail + 2;
8453: if(next >= *(UINT16 *)(mem + 0x482)) {
8454: next = *(UINT16 *)(mem + 0x480);
8455: }
8456: if(next != head) {
8457: *(UINT16 *)(mem + 0x41c) = next;
8458: mem[0x400 + (tail++)] = key_char;
8459: mem[0x400 + (tail++)] = key_scan;
8460: }
8461: }
8462:
8463: bool pcbios_get_key_buffer(int *key_char, int *key_scan)
8464: {
8465: if(key_buf_char->empty()) {
8466: *key_char = 0x00;
8467: *key_scan = 0x00;
8468: return(false);
8469: }
8470: *key_char = key_buf_char->read();
8471: *key_scan = key_buf_scan->read();
8472:
8473: // update key buffer
8474: UINT16 head = *(UINT16 *)(mem + 0x41a);
8475: UINT16 tail = *(UINT16 *)(mem + 0x41c);
8476: UINT16 next = head + 2;
8477: if(next >= *(UINT16 *)(mem + 0x482)) {
8478: next = *(UINT16 *)(mem + 0x480);
8479: }
8480: if(head != tail) {
8481: *(UINT16 *)(mem + 0x41a) = next;
8482: // *key_char = mem[0x400 + (head++)];
8483: // *key_scan = mem[0x400 + (head++)];
8484: }
8485: return(true);
8486: }
8487:
1.1.1.33 root 8488: void pcbios_update_key_code(bool wait)
1.1 root 8489: {
1.1.1.32 root 8490: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 8491: #ifdef USE_SERVICE_THREAD
8492: EnterCriticalSection(&key_buf_crit_sect);
8493: #endif
8494: bool empty = key_buf_char->empty();
8495: #ifdef USE_SERVICE_THREAD
8496: LeaveCriticalSection(&key_buf_crit_sect);
8497: #endif
8498: if(empty) {
1.1.1.32 root 8499: if(!update_key_buffer()) {
1.1.1.33 root 8500: if(wait) {
1.1.1.32 root 8501: Sleep(10);
8502: } else {
8503: maybe_idle();
8504: }
1.1.1.14 root 8505: }
8506: }
1.1.1.34 root 8507: }
8508: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 8509: #ifdef USE_SERVICE_THREAD
8510: EnterCriticalSection(&key_buf_crit_sect);
8511: #endif
1.1.1.51 root 8512: int key_char, key_scan;
8513: if(pcbios_get_key_buffer(&key_char, &key_scan)) {
1.1.1.41 root 8514: key_code = key_char << 0;
8515: key_code |= key_scan << 8;
1.1.1.35 root 8516: key_recv = 0x0000ffff;
1.1.1.51 root 8517: }
8518: if(pcbios_get_key_buffer(&key_char, &key_scan)) {
1.1.1.41 root 8519: key_code |= key_char << 16;
8520: key_code |= key_scan << 24;
1.1.1.33 root 8521: key_recv |= 0xffff0000;
1.1.1.32 root 8522: }
1.1.1.35 root 8523: #ifdef USE_SERVICE_THREAD
8524: LeaveCriticalSection(&key_buf_crit_sect);
8525: #endif
1.1 root 8526: }
8527: }
8528:
1.1.1.35 root 8529: DWORD WINAPI pcbios_int_16h_00h_thread(LPVOID)
1.1 root 8530: {
1.1.1.54! root 8531: while(key_recv == 0 && !m_exit) {
1.1.1.33 root 8532: pcbios_update_key_code(true);
1.1 root 8533: }
1.1.1.33 root 8534: if((key_recv & 0x0000ffff) && (key_recv & 0xffff0000)) {
8535: if((key_code & 0xffff) == 0x0000 || (key_code & 0xffff) == 0xe000) {
8536: if(REG8(AH) == 0x10) {
8537: key_code = ((key_code >> 8) & 0xff) | ((key_code >> 16) & 0xff00);
8538: } else {
8539: key_code = ((key_code >> 16) & 0xff00);
8540: }
8541: key_recv >>= 16;
1.1 root 8542: }
8543: }
8544: REG16(AX) = key_code & 0xffff;
8545: key_code >>= 16;
1.1.1.33 root 8546: key_recv >>= 16;
1.1.1.35 root 8547:
8548: #ifdef USE_SERVICE_THREAD
8549: service_exit = true;
8550: #endif
8551: return(0);
8552: }
8553:
8554: inline void pcbios_int_16h_00h()
8555: {
8556: #ifdef USE_SERVICE_THREAD
1.1.1.51 root 8557: if(!in_service && !in_service_29h) {
8558: start_service_loop(pcbios_int_16h_00h_thread);
8559: } else {
8560: #endif
8561: pcbios_int_16h_00h_thread(NULL);
8562: REQUEST_HARDWRE_UPDATE();
8563: #ifdef USE_SERVICE_THREAD
8564: }
1.1.1.35 root 8565: #endif
1.1 root 8566: }
8567:
8568: inline void pcbios_int_16h_01h()
8569: {
1.1.1.33 root 8570: if(key_recv == 0) {
8571: pcbios_update_key_code(false);
1.1.1.5 root 8572: }
1.1.1.33 root 8573: if(key_recv != 0) {
8574: UINT32 key_code_tmp = key_code;
8575: if((key_recv & 0x0000ffff) && (key_recv & 0xffff0000)) {
8576: if((key_code_tmp & 0xffff) == 0x0000 || (key_code_tmp & 0xffff) == 0xe000) {
8577: if(REG8(AH) == 0x11) {
8578: key_code_tmp = ((key_code_tmp >> 8) & 0xff) | ((key_code_tmp >> 16) & 0xff00);
8579: } else {
8580: key_code_tmp = ((key_code_tmp >> 16) & 0xff00);
8581: }
8582: }
1.1 root 8583: }
1.1.1.5 root 8584: REG16(AX) = key_code_tmp & 0xffff;
1.1.1.3 root 8585: #if defined(HAS_I386)
1.1.1.33 root 8586: m_ZF = 0;
8587: #else
8588: m_ZeroVal = 1;
8589: #endif
8590: } else {
8591: #if defined(HAS_I386)
8592: m_ZF = 1;
1.1.1.3 root 8593: #else
1.1.1.33 root 8594: m_ZeroVal = 0;
1.1.1.3 root 8595: #endif
1.1.1.33 root 8596: }
1.1 root 8597: }
8598:
8599: inline void pcbios_int_16h_02h()
8600: {
8601: REG8(AL) = (GetAsyncKeyState(VK_INSERT ) & 0x0001) ? 0x80 : 0;
8602: REG8(AL) |= (GetAsyncKeyState(VK_CAPITAL) & 0x0001) ? 0x40 : 0;
8603: REG8(AL) |= (GetAsyncKeyState(VK_NUMLOCK) & 0x0001) ? 0x20 : 0;
8604: REG8(AL) |= (GetAsyncKeyState(VK_SCROLL ) & 0x0001) ? 0x10 : 0;
8605: REG8(AL) |= (GetAsyncKeyState(VK_MENU ) & 0x8000) ? 0x08 : 0;
8606: REG8(AL) |= (GetAsyncKeyState(VK_CONTROL) & 0x8000) ? 0x04 : 0;
8607: REG8(AL) |= (GetAsyncKeyState(VK_LSHIFT ) & 0x8000) ? 0x02 : 0;
8608: REG8(AL) |= (GetAsyncKeyState(VK_RSHIFT ) & 0x8000) ? 0x01 : 0;
8609: }
8610:
8611: inline void pcbios_int_16h_03h()
8612: {
8613: static UINT16 status = 0;
8614:
8615: switch(REG8(AL)) {
8616: case 0x05:
8617: status = REG16(BX);
8618: break;
8619: case 0x06:
8620: REG16(BX) = status;
8621: break;
8622: default:
1.1.1.3 root 8623: m_CF = 1;
1.1 root 8624: break;
8625: }
8626: }
8627:
8628: inline void pcbios_int_16h_05h()
8629: {
1.1.1.32 root 8630: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 8631: #ifdef USE_SERVICE_THREAD
8632: EnterCriticalSection(&key_buf_crit_sect);
8633: #endif
1.1.1.51 root 8634: pcbios_set_key_buffer(REG8(CL), REG8(CH));
1.1.1.35 root 8635: #ifdef USE_SERVICE_THREAD
8636: LeaveCriticalSection(&key_buf_crit_sect);
8637: #endif
1.1.1.32 root 8638: }
1.1 root 8639: REG8(AL) = 0x00;
8640: }
8641:
8642: inline void pcbios_int_16h_12h()
8643: {
8644: pcbios_int_16h_02h();
8645:
8646: REG8(AH) = 0;//(GetAsyncKeyState(VK_SYSREQ ) & 0x8000) ? 0x80 : 0;
8647: REG8(AH) |= (GetAsyncKeyState(VK_CAPITAL ) & 0x8000) ? 0x40 : 0;
8648: REG8(AH) |= (GetAsyncKeyState(VK_NUMLOCK ) & 0x8000) ? 0x20 : 0;
8649: REG8(AH) |= (GetAsyncKeyState(VK_SCROLL ) & 0x8000) ? 0x10 : 0;
8650: REG8(AH) |= (GetAsyncKeyState(VK_RMENU ) & 0x8000) ? 0x08 : 0;
8651: REG8(AH) |= (GetAsyncKeyState(VK_RCONTROL) & 0x8000) ? 0x04 : 0;
8652: REG8(AH) |= (GetAsyncKeyState(VK_LMENU ) & 0x8000) ? 0x02 : 0;
8653: REG8(AH) |= (GetAsyncKeyState(VK_LCONTROL) & 0x8000) ? 0x01 : 0;
8654: }
8655:
8656: inline void pcbios_int_16h_13h()
8657: {
8658: static UINT16 status = 0;
8659:
8660: switch(REG8(AL)) {
8661: case 0x00:
8662: status = REG16(DX);
8663: break;
8664: case 0x01:
8665: REG16(DX) = status;
8666: break;
8667: default:
1.1.1.22 root 8668: 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 8669: m_CF = 1;
1.1 root 8670: break;
8671: }
8672: }
8673:
8674: inline void pcbios_int_16h_14h()
8675: {
8676: static UINT8 status = 0;
8677:
8678: switch(REG8(AL)) {
8679: case 0x00:
8680: case 0x01:
8681: status = REG8(AL);
8682: break;
8683: case 0x02:
8684: REG8(AL) = status;
8685: break;
8686: default:
1.1.1.22 root 8687: 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 8688: m_CF = 1;
1.1 root 8689: break;
8690: }
8691: }
8692:
1.1.1.24 root 8693: inline void pcbios_int_16h_55h()
8694: {
8695: switch(REG8(AL)) {
8696: case 0x00:
8697: // keyboard tsr is not present
8698: break;
8699: case 0xfe:
8700: // handlers for INT 08, INT 09, INT 16, INT 1B, and INT 1C are installed
8701: break;
8702: case 0xff:
8703: break;
8704: default:
8705: 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));
8706: m_CF = 1;
8707: break;
8708: }
8709: }
8710:
1.1.1.30 root 8711: inline void pcbios_int_16h_6fh()
8712: {
8713: switch(REG8(AL)) {
8714: case 0x00:
8715: // HP Vectra EX-BIOS - "F16_INQUIRE" - Extended BIOS is not installed
8716: break;
8717: default:
8718: 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));
8719: m_CF = 1;
8720: break;
8721: }
8722: }
8723:
1.1.1.37 root 8724: UINT16 pcbios_printer_jis2sjis(UINT16 jis)
8725: {
8726: UINT8 hi = jis >> 8;
8727: UINT8 lo = jis & 0xff;
8728:
8729: lo = (hi & 0x01) ? lo - 0x1f : lo + 0x7d;
8730: hi = (hi - 0x21) / 2 + 0x81;
8731: hi = (hi >= 0xa0) ? hi + 0x40 : hi;
8732: lo = (lo >= 0x7f) ? lo + 0x01 : lo;
8733:
8734: return((hi << 8) + lo);
8735: }
8736:
8737: UINT16 pcbios_printer_sjis2jis(UINT16 sjis)
8738: {
8739: UINT8 hi = sjis >> 8;
8740: UINT8 lo = sjis & 0xff;
8741:
8742: if(hi == 0x80 || (hi >= 0xeb && hi <= 0xef) || (hi >= 0xf4 && hi <= 0xff)) {
8743: return(0x2121);
8744: }
8745: if((lo >= 0x00 && lo <= 0x3f) || lo == 0x7f || (lo >= 0xfd && lo <= 0xff)) {
8746: return(0x2121);
8747: }
8748: if(hi >= 0xf0 && hi <= 0xf3) {
8749: // gaiji
8750: if(lo >= 0x40 && lo <= 0x7e) {
8751: return(0x7721 + lo - 0x40 + (hi - 0xf0) * 0x200);
8752: }
8753: if(lo >= 0x80 && lo <= 0x9e) {
8754: return(0x7760 + lo - 0x80 + (hi - 0xf0) * 0x200);
8755: }
8756: if(lo >= 0x9f && lo <= 0xfc) {
8757: return(0x7821 + lo - 0x9f + (hi - 0xf0) * 0x200);
8758: }
8759: }
8760: hi = (hi >= 0xe0) ? hi - 0x40 : hi;
8761: lo = (lo >= 0x80) ? lo - 0x01 : lo;
8762: hi = ((lo >= 0x9e) ? 1 : 0) + (hi - 0x81) * 2 + 0x21;
8763: lo = ((lo >= 0x9e) ? lo - 0x9e : lo - 0x40) + 0x21;
8764:
8765: return((hi << 8) + lo);
8766: }
8767:
1.1.1.38 root 8768: // AX�e�N�j�J�����t�@�����X�K�C�h 1989
8769: // �t�^10 ���{��g��PRINTER DRIVER NIOS�T�d�l
8770: // 6. �R���g���[���R�[�h�̉��
1.1.1.37 root 8771:
8772: void pcbios_printer_out(int c, UINT8 data)
8773: {
8774: if(pio[c].conv_mode) {
8775: if(pio[c].sjis_hi != 0) {
8776: if(!pio[c].jis_mode) {
8777: printer_out(c, 0x1c);
8778: printer_out(c, 0x26);
8779: pio[c].jis_mode = true;
8780: }
8781: UINT16 jis = pcbios_printer_sjis2jis((pio[c].sjis_hi << 8) | data);
8782: printer_out(c, jis >> 8);
8783: printer_out(c, jis & 0xff);
8784: pio[c].sjis_hi = 0;
8785: } else if(pio[c].esc_buf[0] == 0x1b) {
8786: printer_out(c, data);
8787: if(pio[c].esc_len < sizeof(pio[c].esc_buf)) {
8788: pio[c].esc_buf[pio[c].esc_len] = data;
8789: }
8790: pio[c].esc_len++;
8791:
8792: switch(pio[c].esc_buf[1]) {
1.1.1.38 root 8793: case 0x33: // 1Bh 33h XX
8794: case 0x4a: // 1Bh 4Ah XX
8795: case 0x4e: // 1Bh 4Eh XX
8796: case 0x51: // 1Bh 51h XX
8797: case 0x55: // 1Bh 55h XX
8798: case 0x6c: // 1Bh 6Ch XX
8799: case 0x71: // 1Bh 71h XX
8800: case 0x72: // 1Bh 72h XX
1.1.1.37 root 8801: if(pio[c].esc_len == 3) {
8802: pio[c].esc_buf[0] = 0x00;
8803: }
8804: break;
1.1.1.38 root 8805: case 0x24: // 1Bh 24h XX XX
8806: case 0x5c: // 1Bh 5Ch XX XX
1.1.1.37 root 8807: if(pio[c].esc_len == 4) {
8808: pio[c].esc_buf[0] = 0x00;
8809: }
8810: break;
1.1.1.38 root 8811: case 0x2a: // 1Bh 2Ah XX XX XX data
1.1.1.37 root 8812: if(pio[c].esc_len >= 3) {
8813: switch(pio[c].esc_buf[2]) {
8814: case 0: case 1: case 2: case 3: case 4: case 6:
8815: if(pio[c].esc_len >= 5 && pio[c].esc_len == 5 + (pio[c].esc_buf[3] + pio[c].esc_buf[4] * 256) * 1) {
8816: pio[c].esc_buf[0] = 0x00;
8817: }
8818: break;
8819: case 32: case 33: case 38: case 39: case 40:
8820: if(pio[c].esc_len >= 5 && pio[c].esc_len == 5 + (pio[c].esc_buf[3] + pio[c].esc_buf[4] * 256) * 3) {
8821: pio[c].esc_buf[0] = 0x00;
8822: }
8823: break;
1.1.1.38 root 8824: case 71: case 72: case 73:
8825: if(pio[c].esc_len >= 5 && pio[c].esc_len == 5 + (pio[c].esc_buf[3] + pio[c].esc_buf[4] * 256) * 6) {
8826: pio[c].esc_buf[0] = 0x00;
8827: }
8828: break;
1.1.1.37 root 8829: default:
8830: pio[c].esc_buf[0] = 0x00;
8831: break;
8832: }
8833: }
8834: break;
1.1.1.38 root 8835: case 0x40: // 1Bh 40h
1.1.1.37 root 8836: if(pio[c].jis_mode) {
8837: printer_out(c, 0x1c);
8838: printer_out(c, 0x2e);
8839: pio[c].jis_mode = false;
8840: }
8841: pio[c].esc_buf[0] = 0x00;
8842: break;
1.1.1.38 root 8843: case 0x42: // 1Bh 42h data 00h
8844: case 0x44: // 1Bh 44h data 00h
1.1.1.37 root 8845: if(pio[c].esc_len >= 3 && data == 0) {
8846: pio[c].esc_buf[0] = 0x00;
8847: }
8848: break;
1.1.1.38 root 8849: case 0x43: // 1Bh 43h (00h) XX
1.1.1.37 root 8850: if(pio[c].esc_len >= 3 && data != 0) {
8851: pio[c].esc_buf[0] = 0x00;
8852: }
8853: break;
1.1.1.38 root 8854: default: // 1Bh XX
1.1.1.37 root 8855: pio[c].esc_buf[0] = 0x00;
8856: break;
8857: }
8858: } else if(pio[c].esc_buf[0] == 0x1c) {
8859: printer_out(c, data);
8860: if(pio[c].esc_len < sizeof(pio[c].esc_buf)) {
8861: pio[c].esc_buf[pio[c].esc_len] = data;
8862: }
8863: pio[c].esc_len++;
8864:
8865: switch(pio[c].esc_buf[1]) {
1.1.1.38 root 8866: case 0x21: // 1Ch 21h XX
8867: case 0x2d: // 1Ch 2Dh XX
8868: case 0x57: // 1Ch 57h XX
8869: case 0x6b: // 1Ch 6Bh XX
8870: case 0x72: // 1Ch 72h XX
8871: case 0x78: // 1Ch 78h XX
1.1.1.37 root 8872: if(pio[c].esc_len == 3) {
8873: pio[c].esc_buf[0] = 0x00;
8874: }
8875: break;
1.1.1.38 root 8876: case 0x26: // 1Ch 26h
1.1.1.37 root 8877: pio[c].jis_mode = true;
8878: pio[c].esc_buf[0] = 0x00;
8879: break;
1.1.1.38 root 8880: case 0x2e: // 1Ch 2Eh
1.1.1.37 root 8881: pio[c].jis_mode = false;
8882: pio[c].esc_buf[0] = 0x00;
8883: break;
1.1.1.38 root 8884: case 0x32: // 1Ch 32h XX XX data
1.1.1.37 root 8885: if(pio[c].esc_len == 76) {
8886: pio[c].esc_buf[0] = 0x00;
8887: }
8888: break;
1.1.1.38 root 8889: case 0x44: // 1Bh 44h data 00h
1.1.1.37 root 8890: if(pio[c].esc_len == 6) {
8891: pio[c].esc_buf[0] = 0x00;
8892: }
8893: break;
1.1.1.38 root 8894: case 0x53: // 1Ch 53h XX XX
8895: case 0x54: // 1Ch 54h XX XX
1.1.1.37 root 8896: if(pio[c].esc_len == 4) {
8897: pio[c].esc_buf[0] = 0x00;
8898: }
8899: break;
1.1.1.38 root 8900: default: // 1Ch XX
1.1.1.37 root 8901: pio[c].esc_buf[0] = 0x00;
8902: break;
8903: }
8904: } else if(data == 0x1b || data == 0x1c) {
8905: printer_out(c, data);
8906: pio[c].esc_buf[0] = data;
8907: pio[c].esc_len = 1;
8908: } else if((data >= 0x80 && data <= 0x9f) || (data >= 0xe0 && data <= 0xff)) {
8909: pio[c].sjis_hi = data;
8910: } else {
8911: if(pio[c].jis_mode) {
8912: printer_out(c, 0x1c);
8913: printer_out(c, 0x2e);
8914: pio[c].jis_mode = false;
8915: }
8916: printer_out(c, data);
8917: }
8918: } else {
8919: if(pio[c].jis_mode) {
8920: printer_out(c, 0x1c);
8921: printer_out(c, 0x2e);
8922: pio[c].jis_mode = false;
8923: }
8924: printer_out(c, data);
8925: }
8926: }
8927:
8928: inline void pcbios_int_17h_00h()
8929: {
8930: if(REG16(DX) < 3) {
8931: pcbios_printer_out(REG16(DX), REG8(AL));
8932: REG8(AH) = 0xd0;
8933: }
8934: }
8935:
8936: inline void pcbios_int_17h_01h()
8937: {
8938: if(REG16(DX) < 3) {
8939: REG8(AH) = 0xd0;
8940: }
8941: }
8942:
8943: inline void pcbios_int_17h_02h()
8944: {
8945: if(REG16(DX) < 3) {
8946: REG8(AH) = 0xd0;
8947: }
8948: }
8949:
8950: inline void pcbios_int_17h_03h()
8951: {
8952: switch(REG8(AL)) {
8953: case 0x00:
8954: if(REG16(DX) < 3) {
8955: if(pio[REG16(DX)].jis_mode) {
8956: printer_out(REG16(DX), 0x1c);
8957: printer_out(REG16(DX), 0x2e);
8958: pio[REG16(DX)].jis_mode = false;
8959: }
8960: for(UINT16 i = 0; i < REG16(CX); i++) {
8961: printer_out(REG16(DX), mem[SREG_BASE(ES) + REG16(BX) + i]);
8962: }
8963: REG16(CX) = 0x0000;
8964: REG8(AH) = 0xd0;
8965: }
8966: break;
8967: default:
8968: 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));
8969: break;
8970: }
8971: }
8972:
8973: inline void pcbios_int_17h_50h()
8974: {
8975: switch(REG8(AL)) {
8976: case 0x00:
8977: if(REG16(DX) < 3) {
8978: if(REG16(BX) = 0x0001) {
8979: pio[REG16(DX)].conv_mode = false;
8980: REG8(AL) = 0x00;
8981: } else if(REG16(BX) = 0x0051) {
8982: pio[REG16(DX)].conv_mode = true;
8983: REG8(AL) = 0x00;
8984: } else {
8985: REG8(AL) = 0x01;
8986: }
8987: } else {
8988: REG8(AL) = 0x02;
8989: }
8990: break;
8991: case 0x01:
8992: if(REG16(DX) < 3) {
8993: if(pio[REG16(DX)].conv_mode) {
8994: REG16(BX) = 0x0051;
8995: } else {
8996: REG16(BX) = 0x0001;
8997: }
8998: REG8(AL) = 0x00;
8999: } else {
9000: REG8(AL) = 0x02;
9001: }
9002: break;
9003: default:
9004: 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));
9005: break;
9006: }
9007: }
9008:
9009: inline void pcbios_int_17h_51h()
9010: {
9011: if(REG8(DH) >= 0x21 && REG8(DH) <= 0x7e && REG8(DL) >= 0x21 && REG8(DL) <= 0x7e) {
9012: REG16(DX) = pcbios_printer_jis2sjis(REG16(DX));
9013: } else {
9014: REG16(DX) = 0x0000;
9015: }
9016: }
9017:
9018: inline void pcbios_int_17h_52h()
9019: {
9020: if(((REG8(DH) >= 0x81 && REG8(DH) <= 0x9f) || (REG8(DH) >= 0xe0 && REG8(DH) <= 0xfc)) && (REG8(DL) >= 0x40 && REG8(DL) <= 0xfc && REG8(DL) != 0x7f)) {
9021: REG16(DX) = pcbios_printer_sjis2jis(REG16(DX));
9022: } else {
9023: REG16(DX) = 0x0000;
9024: }
9025: }
9026:
9027: inline void pcbios_int_17h_84h()
9028: {
9029: if(REG16(DX) < 3) {
9030: if(pio[REG16(DX)].jis_mode) {
9031: printer_out(REG16(DX), 0x1c);
9032: printer_out(REG16(DX), 0x2e);
9033: pio[REG16(DX)].jis_mode = false;
9034: }
9035: printer_out(REG16(DX), REG8(AL));
9036: REG8(AH) = 0xd0;
9037: }
9038: }
9039:
9040: inline void pcbios_int_17h_85h()
9041: {
9042: pio[0].conv_mode = (REG8(AL) == 0x00);
9043: }
9044:
1.1 root 9045: inline void pcbios_int_1ah_00h()
9046: {
1.1.1.19 root 9047: pcbios_update_daily_timer_counter(timeGetTime());
9048: REG16(CX) = *(UINT16 *)(mem + 0x46e);
9049: REG16(DX) = *(UINT16 *)(mem + 0x46c);
9050: REG8(AL) = mem[0x470];
9051: mem[0x470] = 0;
1.1 root 9052: }
9053:
9054: inline int to_bcd(int t)
9055: {
9056: int u = (t % 100) / 10;
9057: return (u << 4) | (t % 10);
9058: }
9059:
9060: inline void pcbios_int_1ah_02h()
9061: {
9062: SYSTEMTIME time;
9063:
9064: GetLocalTime(&time);
9065: REG8(CH) = to_bcd(time.wHour);
9066: REG8(CL) = to_bcd(time.wMinute);
9067: REG8(DH) = to_bcd(time.wSecond);
9068: REG8(DL) = 0x00;
9069: }
9070:
9071: inline void pcbios_int_1ah_04h()
9072: {
9073: SYSTEMTIME time;
9074:
9075: GetLocalTime(&time);
9076: REG8(CH) = to_bcd(time.wYear / 100);
9077: REG8(CL) = to_bcd(time.wYear);
9078: REG8(DH) = to_bcd(time.wMonth);
9079: REG8(DL) = to_bcd(time.wDay);
9080: }
9081:
9082: inline void pcbios_int_1ah_0ah()
9083: {
9084: SYSTEMTIME time;
9085: FILETIME file_time;
9086: WORD dos_date, dos_time;
9087:
9088: GetLocalTime(&time);
9089: SystemTimeToFileTime(&time, &file_time);
9090: FileTimeToDosDateTime(&file_time, &dos_date, &dos_time);
9091: REG16(CX) = dos_date;
9092: }
9093:
9094: // msdos system call
9095:
1.1.1.43 root 9096: inline void msdos_int_21h_56h(int lfn);
9097:
1.1 root 9098: inline void msdos_int_21h_00h()
9099: {
1.1.1.3 root 9100: msdos_process_terminate(SREG(CS), retval, 1);
1.1 root 9101: }
9102:
1.1.1.35 root 9103: DWORD WINAPI msdos_int_21h_01h_thread(LPVOID)
1.1 root 9104: {
9105: REG8(AL) = msdos_getche();
1.1.1.33 root 9106: ctrl_break_detected = ctrl_break_pressed;
1.1.1.26 root 9107:
1.1.1.35 root 9108: #ifdef USE_SERVICE_THREAD
9109: service_exit = true;
9110: #endif
9111: return(0);
9112: }
9113:
9114: inline void msdos_int_21h_01h()
9115: {
9116: #ifdef USE_SERVICE_THREAD
1.1.1.51 root 9117: if(!in_service && !in_service_29h &&
9118: *(UINT16 *)(mem + 4 * 0x29 + 0) == 0x29 &&
1.1.1.50 root 9119: *(UINT16 *)(mem + 4 * 0x29 + 2) == (IRET_TOP >> 4)) {
9120: // msdos_putch() will be used in this service
9121: // if int 29h is hooked, run this service in main thread to call int 29h
9122: start_service_loop(msdos_int_21h_01h_thread);
9123: } else {
9124: #endif
9125: msdos_int_21h_01h_thread(NULL);
9126: REQUEST_HARDWRE_UPDATE();
9127: #ifdef USE_SERVICE_THREAD
9128: }
1.1.1.35 root 9129: #endif
1.1 root 9130: }
9131:
9132: inline void msdos_int_21h_02h()
9133: {
1.1.1.33 root 9134: UINT8 data = REG8(DL);
9135: msdos_putch(data);
9136: REG8(AL) = data;
9137: ctrl_break_detected = ctrl_break_pressed;
1.1 root 9138: }
9139:
9140: inline void msdos_int_21h_03h()
9141: {
9142: REG8(AL) = msdos_aux_in();
9143: }
9144:
9145: inline void msdos_int_21h_04h()
9146: {
9147: msdos_aux_out(REG8(DL));
9148: }
9149:
9150: inline void msdos_int_21h_05h()
9151: {
9152: msdos_prn_out(REG8(DL));
9153: }
9154:
9155: inline void msdos_int_21h_06h()
9156: {
9157: if(REG8(DL) == 0xff) {
9158: if(msdos_kbhit()) {
9159: REG8(AL) = msdos_getch();
1.1.1.3 root 9160: #if defined(HAS_I386)
9161: m_ZF = 0;
9162: #else
9163: m_ZeroVal = 1;
9164: #endif
1.1 root 9165: } else {
9166: REG8(AL) = 0;
1.1.1.3 root 9167: #if defined(HAS_I386)
9168: m_ZF = 1;
9169: #else
9170: m_ZeroVal = 0;
9171: #endif
1.1.1.14 root 9172: maybe_idle();
1.1 root 9173: }
9174: } else {
1.1.1.33 root 9175: UINT8 data = REG8(DL);
9176: msdos_putch(data);
9177: REG8(AL) = data;
1.1 root 9178: }
9179: }
9180:
1.1.1.35 root 9181: DWORD WINAPI msdos_int_21h_07h_thread(LPVOID)
1.1 root 9182: {
9183: REG8(AL) = msdos_getch();
1.1.1.26 root 9184:
1.1.1.35 root 9185: #ifdef USE_SERVICE_THREAD
9186: service_exit = true;
9187: #endif
9188: return(0);
1.1 root 9189: }
9190:
1.1.1.35 root 9191: inline void msdos_int_21h_07h()
9192: {
9193: #ifdef USE_SERVICE_THREAD
1.1.1.51 root 9194: if(!in_service && !in_service_29h) {
9195: start_service_loop(msdos_int_21h_07h_thread);
9196: } else {
9197: #endif
9198: msdos_int_21h_07h_thread(NULL);
9199: REQUEST_HARDWRE_UPDATE();
9200: #ifdef USE_SERVICE_THREAD
9201: }
1.1.1.35 root 9202: #endif
9203: }
9204:
9205: DWORD WINAPI msdos_int_21h_08h_thread(LPVOID)
1.1 root 9206: {
9207: REG8(AL) = msdos_getch();
1.1.1.33 root 9208: ctrl_break_detected = ctrl_break_pressed;
1.1.1.26 root 9209:
1.1.1.35 root 9210: #ifdef USE_SERVICE_THREAD
9211: service_exit = true;
9212: #endif
9213: return(0);
9214: }
9215:
9216: inline void msdos_int_21h_08h()
9217: {
9218: #ifdef USE_SERVICE_THREAD
1.1.1.51 root 9219: if(!in_service && !in_service_29h) {
9220: start_service_loop(msdos_int_21h_08h_thread);
9221: } else {
9222: #endif
9223: msdos_int_21h_08h_thread(NULL);
9224: REQUEST_HARDWRE_UPDATE();
9225: #ifdef USE_SERVICE_THREAD
9226: }
1.1.1.35 root 9227: #endif
1.1 root 9228: }
9229:
9230: inline void msdos_int_21h_09h()
9231: {
1.1.1.21 root 9232: msdos_stdio_reopen();
9233:
1.1.1.20 root 9234: process_t *process = msdos_process_info_get(current_psp);
9235: int fd = msdos_psp_get_file_table(1, current_psp);
9236:
1.1.1.14 root 9237: char *str = (char *)(mem + SREG_BASE(DS) + REG16(DX));
9238: int len = 0;
1.1 root 9239:
1.1.1.14 root 9240: while(str[len] != '$' && len < 0x10000) {
9241: len++;
9242: }
1.1.1.20 root 9243: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 9244: // stdout is redirected to file
1.1.1.20 root 9245: msdos_write(fd, str, len);
1.1 root 9246: } else {
9247: for(int i = 0; i < len; i++) {
1.1.1.14 root 9248: msdos_putch(str[i]);
1.1 root 9249: }
9250: }
1.1.1.33 root 9251: REG8(AL) = '$';
9252: ctrl_break_detected = ctrl_break_pressed;
1.1 root 9253: }
9254:
1.1.1.35 root 9255: DWORD WINAPI msdos_int_21h_0ah_thread(LPVOID)
1.1 root 9256: {
1.1.1.3 root 9257: int ofs = SREG_BASE(DS) + REG16(DX);
1.1 root 9258: int max = mem[ofs] - 1;
9259: UINT8 *buf = mem + ofs + 2;
9260: int chr, p = 0;
9261:
9262: while((chr = msdos_getch()) != 0x0d) {
1.1.1.33 root 9263: if((ctrl_break_checking && ctrl_break_pressed) || ctrl_c_pressed) {
1.1.1.26 root 9264: p = 0;
1.1.1.33 root 9265: msdos_putch(0x03);
9266: msdos_putch(0x0d);
9267: msdos_putch(0x0a);
1.1.1.26 root 9268: break;
1.1.1.33 root 9269: } else if(ctrl_break_pressed) {
9270: // skip this byte
1.1.1.26 root 9271: } else if(chr == 0x00) {
1.1 root 9272: // skip 2nd byte
9273: msdos_getch();
9274: } else if(chr == 0x08) {
9275: // back space
9276: if(p > 0) {
9277: p--;
1.1.1.20 root 9278: if(msdos_ctrl_code_check(buf[p])) {
1.1.1.34 root 9279: msdos_putch(0x08);
9280: msdos_putch(0x08);
9281: msdos_putch(0x20);
9282: msdos_putch(0x20);
9283: msdos_putch(0x08);
9284: msdos_putch(0x08);
1.1.1.36 root 9285: } else if(p > 0 && msdos_kanji_2nd_byte_check(buf, p)) {
9286: p--;
9287: msdos_putch(0x08);
9288: msdos_putch(0x08);
9289: msdos_putch(0x20);
9290: msdos_putch(0x20);
9291: msdos_putch(0x08);
9292: msdos_putch(0x08);
1.1.1.34 root 9293: } else {
9294: msdos_putch(0x08);
9295: msdos_putch(0x20);
9296: msdos_putch(0x08);
9297: }
9298: }
9299: } else if(chr == 0x1b) {
9300: // escape
9301: while(p > 0) {
9302: p--;
9303: if(msdos_ctrl_code_check(buf[p])) {
9304: msdos_putch(0x08);
9305: msdos_putch(0x08);
9306: msdos_putch(0x20);
9307: msdos_putch(0x20);
9308: msdos_putch(0x08);
9309: msdos_putch(0x08);
1.1.1.20 root 9310: } else {
1.1.1.34 root 9311: msdos_putch(0x08);
9312: msdos_putch(0x20);
9313: msdos_putch(0x08);
1.1.1.20 root 9314: }
1.1 root 9315: }
9316: } else if(p < max) {
9317: buf[p++] = chr;
9318: msdos_putch(chr);
9319: }
9320: }
9321: buf[p] = 0x0d;
9322: mem[ofs + 1] = p;
1.1.1.33 root 9323: ctrl_break_detected = ctrl_break_pressed;
1.1.1.26 root 9324:
1.1.1.35 root 9325: #ifdef USE_SERVICE_THREAD
9326: service_exit = true;
9327: #endif
9328: return(0);
9329: }
9330:
9331: inline void msdos_int_21h_0ah()
9332: {
9333: if(mem[SREG_BASE(DS) + REG16(DX)] != 0x00) {
9334: #ifdef USE_SERVICE_THREAD
1.1.1.51 root 9335: if(!in_service && !in_service_29h &&
9336: *(UINT16 *)(mem + 4 * 0x29 + 0) == 0x29 &&
1.1.1.50 root 9337: *(UINT16 *)(mem + 4 * 0x29 + 2) == (IRET_TOP >> 4)) {
9338: // msdos_putch() will be used in this service
9339: // if int 29h is hooked, run this service in main thread to call int 29h
9340: start_service_loop(msdos_int_21h_0ah_thread);
9341: } else {
9342: #endif
9343: msdos_int_21h_0ah_thread(NULL);
9344: REQUEST_HARDWRE_UPDATE();
9345: #ifdef USE_SERVICE_THREAD
9346: }
1.1.1.35 root 9347: #endif
9348: }
1.1 root 9349: }
9350:
9351: inline void msdos_int_21h_0bh()
9352: {
9353: if(msdos_kbhit()) {
9354: REG8(AL) = 0xff;
9355: } else {
9356: REG8(AL) = 0x00;
1.1.1.14 root 9357: maybe_idle();
1.1 root 9358: }
1.1.1.33 root 9359: ctrl_break_detected = ctrl_break_pressed;
1.1 root 9360: }
9361:
9362: inline void msdos_int_21h_0ch()
9363: {
9364: // clear key buffer
1.1.1.21 root 9365: msdos_stdio_reopen();
9366:
1.1.1.20 root 9367: process_t *process = msdos_process_info_get(current_psp);
9368: int fd = msdos_psp_get_file_table(0, current_psp);
9369:
9370: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 9371: // stdin is redirected to file
9372: } else {
9373: while(msdos_kbhit()) {
9374: msdos_getch();
9375: }
9376: }
9377:
9378: switch(REG8(AL)) {
9379: case 0x01:
9380: msdos_int_21h_01h();
9381: break;
9382: case 0x06:
9383: msdos_int_21h_06h();
9384: break;
9385: case 0x07:
9386: msdos_int_21h_07h();
9387: break;
9388: case 0x08:
9389: msdos_int_21h_08h();
9390: break;
9391: case 0x0a:
9392: msdos_int_21h_0ah();
9393: break;
9394: default:
1.1.1.48 root 9395: // the buffer is flushed but no input is attempted
1.1 root 9396: break;
9397: }
9398: }
9399:
9400: inline void msdos_int_21h_0dh()
9401: {
9402: }
9403:
9404: inline void msdos_int_21h_0eh()
9405: {
9406: if(REG8(DL) < 26) {
9407: _chdrive(REG8(DL) + 1);
9408: msdos_cds_update(REG8(DL));
1.1.1.23 root 9409: msdos_sda_update(current_psp);
1.1 root 9410: }
9411: REG8(AL) = 26; // zdrive
9412: }
9413:
1.1.1.14 root 9414: inline void msdos_int_21h_0fh()
9415: {
9416: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9417: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
1.1.1.45 root 9418: const char *path = msdos_fcb_path(fcb);
1.1.1.14 root 9419: 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 9420:
1.1.1.14 root 9421: if(hFile == INVALID_HANDLE_VALUE) {
9422: REG8(AL) = 0xff;
9423: } else {
9424: REG8(AL) = 0;
9425: fcb->current_block = 0;
9426: fcb->record_size = 128;
9427: fcb->file_size = GetFileSize(hFile, NULL);
9428: fcb->handle = hFile;
9429: fcb->cur_record = 0;
9430: }
9431: }
9432:
9433: inline void msdos_int_21h_10h()
9434: {
9435: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9436: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9437:
9438: REG8(AL) = CloseHandle(fcb->handle) ? 0 : 0xff;
9439: }
9440:
1.1 root 9441: inline void msdos_int_21h_11h()
9442: {
1.1.1.3 root 9443: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9444: fcb_t *fcb = (fcb_t *)(mem + SREG_BASE(DS) + REG16(DX) + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 9445:
9446: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 9447: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9448: ext_fcb_t *ext_find = (ext_fcb_t *)(mem + dta_laddr);
9449: find_fcb_t *find = (find_fcb_t *)(mem + dta_laddr + (ext_fcb->flag == 0xff ? 7 : 0));
1.1.1.45 root 9450: const char *path = msdos_fcb_path(fcb);
1.1 root 9451: WIN32_FIND_DATA fd;
9452:
1.1.1.13 root 9453: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, dta_laddr);
9454: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
9455: FindClose(dtainfo->find_handle);
9456: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 9457: }
9458: strcpy(process->volume_label, msdos_volume_label(path));
1.1.1.14 root 9459: dtainfo->allowable_mask = (ext_fcb->flag == 0xff) ? ext_fcb->attribute : 0x20;
9460: bool label_only = (dtainfo->allowable_mask == 8);
1.1 root 9461:
1.1.1.14 root 9462: if((dtainfo->allowable_mask & 8) && !msdos_match_volume_label(path, msdos_short_volume_label(process->volume_label))) {
9463: dtainfo->allowable_mask &= ~8;
1.1 root 9464: }
1.1.1.14 root 9465: if(!label_only && (dtainfo->find_handle = FindFirstFile(path, &fd)) != INVALID_HANDLE_VALUE) {
9466: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 9467: !msdos_find_file_has_8dot3name(&fd)) {
9468: if(!FindNextFile(dtainfo->find_handle, &fd)) {
9469: FindClose(dtainfo->find_handle);
9470: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 9471: break;
9472: }
9473: }
9474: }
1.1.1.13 root 9475: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 9476: if(ext_fcb->flag == 0xff) {
9477: ext_find->flag = 0xff;
9478: memset(ext_find->reserved, 0, 5);
9479: ext_find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
9480: }
9481: find->drive = _getdrive();
1.1.1.13 root 9482: msdos_set_fcb_path((fcb_t *)find, msdos_short_name(&fd));
1.1 root 9483: find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
9484: find->nt_res = 0;
9485: msdos_find_file_conv_local_time(&fd);
9486: find->create_time_ms = 0;
9487: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
9488: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
9489: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
9490: find->cluster_hi = find->cluster_lo = 0;
9491: find->file_size = fd.nFileSizeLow;
9492: REG8(AL) = 0x00;
1.1.1.14 root 9493: } else if(dtainfo->allowable_mask & 8) {
1.1 root 9494: if(ext_fcb->flag == 0xff) {
9495: ext_find->flag = 0xff;
9496: memset(ext_find->reserved, 0, 5);
9497: ext_find->attribute = 8;
9498: }
9499: find->drive = _getdrive();
9500: msdos_set_fcb_path((fcb_t *)find, msdos_short_volume_label(process->volume_label));
9501: find->attribute = 8;
9502: find->nt_res = 0;
9503: msdos_find_file_conv_local_time(&fd);
9504: find->create_time_ms = 0;
9505: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
9506: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
9507: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
9508: find->cluster_hi = find->cluster_lo = 0;
9509: find->file_size = 0;
1.1.1.14 root 9510: dtainfo->allowable_mask &= ~8;
1.1 root 9511: REG8(AL) = 0x00;
9512: } else {
9513: REG8(AL) = 0xff;
9514: }
9515: }
9516:
9517: inline void msdos_int_21h_12h()
9518: {
1.1.1.3 root 9519: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
1.1.1.14 root 9520: // fcb_t *fcb = (fcb_t *)(mem + SREG_BASE(DS) + REG16(DX) + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 9521:
9522: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 9523: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9524: ext_fcb_t *ext_find = (ext_fcb_t *)(mem + dta_laddr);
9525: find_fcb_t *find = (find_fcb_t *)(mem + dta_laddr + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 9526: WIN32_FIND_DATA fd;
9527:
1.1.1.13 root 9528: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, dta_laddr);
9529: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
9530: if(FindNextFile(dtainfo->find_handle, &fd)) {
1.1.1.14 root 9531: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 9532: !msdos_find_file_has_8dot3name(&fd)) {
9533: if(!FindNextFile(dtainfo->find_handle, &fd)) {
9534: FindClose(dtainfo->find_handle);
9535: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 9536: break;
9537: }
9538: }
9539: } else {
1.1.1.13 root 9540: FindClose(dtainfo->find_handle);
9541: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 9542: }
9543: }
1.1.1.13 root 9544: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 9545: if(ext_fcb->flag == 0xff) {
9546: ext_find->flag = 0xff;
9547: memset(ext_find->reserved, 0, 5);
9548: ext_find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
9549: }
9550: find->drive = _getdrive();
1.1.1.13 root 9551: msdos_set_fcb_path((fcb_t *)find, msdos_short_name(&fd));
1.1 root 9552: find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
9553: find->nt_res = 0;
9554: msdos_find_file_conv_local_time(&fd);
9555: find->create_time_ms = 0;
9556: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
9557: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
9558: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
9559: find->cluster_hi = find->cluster_lo = 0;
9560: find->file_size = fd.nFileSizeLow;
9561: REG8(AL) = 0x00;
1.1.1.14 root 9562: } else if(dtainfo->allowable_mask & 8) {
1.1 root 9563: if(ext_fcb->flag == 0xff) {
9564: ext_find->flag = 0xff;
9565: memset(ext_find->reserved, 0, 5);
9566: ext_find->attribute = 8;
9567: }
9568: find->drive = _getdrive();
9569: msdos_set_fcb_path((fcb_t *)find, msdos_short_volume_label(process->volume_label));
9570: find->attribute = 8;
9571: find->nt_res = 0;
9572: msdos_find_file_conv_local_time(&fd);
9573: find->create_time_ms = 0;
9574: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
9575: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
9576: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
9577: find->cluster_hi = find->cluster_lo = 0;
9578: find->file_size = 0;
1.1.1.14 root 9579: dtainfo->allowable_mask &= ~8;
1.1 root 9580: REG8(AL) = 0x00;
9581: } else {
9582: REG8(AL) = 0xff;
9583: }
9584: }
9585:
9586: inline void msdos_int_21h_13h()
9587: {
1.1.1.3 root 9588: if(remove(msdos_fcb_path((fcb_t *)(mem + SREG_BASE(DS) + REG16(DX))))) {
1.1 root 9589: REG8(AL) = 0xff;
9590: } else {
9591: REG8(AL) = 0x00;
9592: }
9593: }
9594:
1.1.1.16 root 9595: inline void msdos_int_21h_14h()
9596: {
9597: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9598: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9599: process_t *process = msdos_process_info_get(current_psp);
9600: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9601: DWORD num = 0;
9602:
9603: memset(mem + dta_laddr, 0, fcb->record_size);
9604: if(!ReadFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL) || num == 0) {
9605: REG8(AL) = 1;
9606: } else {
9607: UINT32 position = fcb->current_block * fcb->record_size + fcb->cur_record + num;
9608: fcb->current_block = (position & 0xffffff) / fcb->record_size;
9609: fcb->cur_record = (position & 0xffffff) % fcb->record_size;
9610: REG8(AL) = (num == fcb->record_size) ? 0 : 3;
9611: }
9612: }
9613:
9614: inline void msdos_int_21h_15h()
1.1.1.14 root 9615: {
9616: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9617: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
1.1.1.16 root 9618: process_t *process = msdos_process_info_get(current_psp);
9619: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9620: DWORD num = 0;
1.1.1.14 root 9621:
1.1.1.16 root 9622: if(!WriteFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL) || num == 0) {
9623: REG8(AL) = 1;
9624: } else {
9625: fcb->file_size = GetFileSize(fcb->handle, NULL);
9626: UINT32 position = fcb->current_block * fcb->record_size + fcb->cur_record + num;
9627: fcb->current_block = (position & 0xffffff) / fcb->record_size;
9628: fcb->cur_record = (position & 0xffffff) % fcb->record_size;
9629: REG8(AL) = (num == fcb->record_size) ? 0 : 1;
9630: }
9631: }
9632:
9633: inline void msdos_int_21h_16h()
9634: {
9635: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9636: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
1.1.1.45 root 9637: const char *path = msdos_fcb_path(fcb);
1.1.1.14 root 9638: 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 9639:
1.1.1.14 root 9640: if(hFile == INVALID_HANDLE_VALUE) {
9641: REG8(AL) = 0xff;
9642: } else {
9643: REG8(AL) = 0;
9644: fcb->current_block = 0;
9645: fcb->record_size = 128;
9646: fcb->file_size = 0;
9647: fcb->handle = hFile;
9648: fcb->cur_record = 0;
9649: }
9650: }
9651:
1.1.1.16 root 9652: inline void msdos_int_21h_17h()
9653: {
9654: ext_fcb_t *ext_fcb_src = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9655: fcb_t *fcb_src = (fcb_t *)(ext_fcb_src + (ext_fcb_src->flag == 0xff ? 1 : 0));
1.1.1.45 root 9656: // const char *path_src = msdos_fcb_path(fcb_src);
9657: char path_src[MAX_PATH];
9658: strcpy(path_src, msdos_fcb_path(fcb_src));
9659:
1.1.1.16 root 9660: ext_fcb_t *ext_fcb_dst = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX) + 16);
9661: fcb_t *fcb_dst = (fcb_t *)(ext_fcb_dst + (ext_fcb_dst->flag == 0xff ? 1 : 0));
1.1.1.45 root 9662: // const char *path_dst = msdos_fcb_path(fcb_dst);
9663: char path_dst[MAX_PATH];
9664: strcpy(path_dst, msdos_fcb_path(fcb_dst));
1.1.1.16 root 9665:
9666: if(rename(path_src, path_dst)) {
9667: REG8(AL) = 0xff;
9668: } else {
9669: REG8(AL) = 0;
9670: }
9671: }
9672:
1.1 root 9673: inline void msdos_int_21h_18h()
9674: {
9675: REG8(AL) = 0x00;
9676: }
9677:
9678: inline void msdos_int_21h_19h()
9679: {
9680: REG8(AL) = _getdrive() - 1;
9681: }
9682:
9683: inline void msdos_int_21h_1ah()
9684: {
9685: process_t *process = msdos_process_info_get(current_psp);
9686:
9687: process->dta.w.l = REG16(DX);
1.1.1.3 root 9688: process->dta.w.h = SREG(DS);
1.1.1.23 root 9689: msdos_sda_update(current_psp);
1.1 root 9690: }
9691:
9692: inline void msdos_int_21h_1bh()
9693: {
9694: int drive_num = _getdrive() - 1;
9695: UINT16 seg, ofs;
9696:
9697: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
9698: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
9699: REG8(AL) = dpb->highest_sector_num + 1;
9700: REG16(CX) = dpb->bytes_per_sector;
9701: REG16(DX) = dpb->highest_cluster_num - 1;
1.1.1.3 root 9702: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(BX)) = dpb->media_type;
1.1 root 9703: } else {
9704: REG8(AL) = 0xff;
1.1.1.3 root 9705: m_CF = 1;
1.1 root 9706: }
9707:
9708: }
9709:
9710: inline void msdos_int_21h_1ch()
9711: {
1.1.1.41 root 9712: int drive_num = (REG8(DL) == 0) ? (_getdrive() - 1) : (REG8(DL) - 1);
1.1 root 9713: UINT16 seg, ofs;
9714:
9715: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
9716: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
9717: REG8(AL) = dpb->highest_sector_num + 1;
9718: REG16(CX) = dpb->bytes_per_sector;
9719: REG16(DX) = dpb->highest_cluster_num - 1;
1.1.1.3 root 9720: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(BX)) = dpb->media_type;
1.1 root 9721: } else {
9722: REG8(AL) = 0xff;
1.1.1.3 root 9723: m_CF = 1;
1.1 root 9724: }
9725:
9726: }
9727:
9728: inline void msdos_int_21h_1dh()
9729: {
9730: REG8(AL) = 0;
9731: }
9732:
9733: inline void msdos_int_21h_1eh()
9734: {
9735: REG8(AL) = 0;
9736: }
9737:
9738: inline void msdos_int_21h_1fh()
9739: {
9740: int drive_num = _getdrive() - 1;
9741: UINT16 seg, ofs;
9742:
9743: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
9744: REG8(AL) = 0;
1.1.1.3 root 9745: SREG(DS) = seg;
9746: i386_load_segment_descriptor(DS);
1.1 root 9747: REG16(BX) = ofs;
9748: } else {
9749: REG8(AL) = 0xff;
1.1.1.3 root 9750: m_CF = 1;
1.1 root 9751: }
9752: }
9753:
9754: inline void msdos_int_21h_20h()
9755: {
9756: REG8(AL) = 0;
9757: }
9758:
1.1.1.14 root 9759: inline void msdos_int_21h_21h()
9760: {
9761: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9762: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9763:
9764: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
9765: REG8(AL) = 1;
9766: } else {
9767: process_t *process = msdos_process_info_get(current_psp);
9768: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9769: memset(mem + dta_laddr, 0, fcb->record_size);
1.1.1.16 root 9770: DWORD num = 0;
1.1.1.14 root 9771: if(!ReadFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL) || num == 0) {
9772: REG8(AL) = 1;
9773: } else {
9774: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
9775: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
1.1.1.16 root 9776: REG8(AL) = (num == fcb->record_size) ? 0 : 3;
1.1.1.14 root 9777: }
9778: }
9779: }
9780:
9781: inline void msdos_int_21h_22h()
9782: {
9783: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9784: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9785:
9786: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
9787: REG8(AL) = 0xff;
9788: } else {
9789: process_t *process = msdos_process_info_get(current_psp);
9790: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
1.1.1.16 root 9791: DWORD num = 0;
1.1.1.14 root 9792: WriteFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL);
9793: fcb->file_size = GetFileSize(fcb->handle, NULL);
9794: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
9795: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
1.1.1.16 root 9796: REG8(AL) = (num == fcb->record_size) ? 0 : 1;
1.1.1.14 root 9797: }
9798: }
9799:
1.1.1.16 root 9800: inline void msdos_int_21h_23h()
9801: {
9802: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9803: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
1.1.1.45 root 9804: const char *path = msdos_fcb_path(fcb);
1.1.1.16 root 9805: HANDLE hFile = CreateFile(path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
9806:
9807: if(hFile == INVALID_HANDLE_VALUE) {
9808: REG8(AL) = 0xff;
9809: } else {
9810: UINT32 size = GetFileSize(hFile, NULL);
9811: fcb->rand_record = size / fcb->record_size + ((size % fcb->record_size) != 0);
9812: REG8(AL) = 0;
9813: }
9814: }
9815:
9816: inline void msdos_int_21h_24h()
9817: {
9818: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9819: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9820:
9821: fcb->rand_record = fcb->current_block * fcb->record_size + fcb->cur_record;
9822: }
9823:
1.1 root 9824: inline void msdos_int_21h_25h()
9825: {
9826: *(UINT16 *)(mem + 4 * REG8(AL) + 0) = REG16(DX);
1.1.1.3 root 9827: *(UINT16 *)(mem + 4 * REG8(AL) + 2) = SREG(DS);
1.1 root 9828: }
9829:
9830: inline void msdos_int_21h_26h()
9831: {
9832: psp_t *psp = (psp_t *)(mem + (REG16(DX) << 4));
9833:
9834: memcpy(mem + (REG16(DX) << 4), mem + (current_psp << 4), sizeof(psp_t));
1.1.1.48 root 9835: psp->first_mcb = REG16(DX) + (PSP_SIZE >> 4);
1.1 root 9836: psp->int_22h.dw = *(UINT32 *)(mem + 4 * 0x22);
9837: psp->int_23h.dw = *(UINT32 *)(mem + 4 * 0x23);
9838: psp->int_24h.dw = *(UINT32 *)(mem + 4 * 0x24);
9839: psp->parent_psp = 0;
9840: }
9841:
1.1.1.16 root 9842: inline void msdos_int_21h_27h()
9843: {
9844: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9845: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9846:
9847: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
9848: REG8(AL) = 1;
9849: } else {
9850: process_t *process = msdos_process_info_get(current_psp);
9851: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9852: memset(mem + dta_laddr, 0, fcb->record_size * REG16(CX));
9853: DWORD num = 0;
9854: if(!ReadFile(fcb->handle, mem + dta_laddr, fcb->record_size * REG16(CX), &num, NULL) || num == 0) {
9855: REG8(AL) = 1;
9856: } else {
9857: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
9858: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
9859: REG8(AL) = (num == fcb->record_size) ? 0 : 3;
9860: REG16(CX) = num / fcb->record_size + ((num % fcb->record_size) != 0);
9861: }
9862: }
9863: }
9864:
9865: inline void msdos_int_21h_28h()
9866: {
9867: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9868: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9869:
9870: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
9871: REG8(AL) = 0xff;
9872: } else {
9873: process_t *process = msdos_process_info_get(current_psp);
9874: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9875: DWORD num = 0;
9876: WriteFile(fcb->handle, mem + dta_laddr, fcb->record_size * REG16(CX), &num, NULL);
9877: fcb->file_size = GetFileSize(fcb->handle, NULL);
9878: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
9879: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
9880: REG8(AL) = (num == fcb->record_size) ? 0 : 1;
9881: REG16(CX) = num / fcb->record_size + ((num % fcb->record_size) != 0);
9882: }
9883: }
9884:
1.1 root 9885: inline void msdos_int_21h_29h()
9886: {
1.1.1.20 root 9887: int ofs = 0;//SREG_BASE(DS) + REG16(SI);
9888: char buffer[1024], name[MAX_PATH], ext[MAX_PATH];
1.1 root 9889: UINT8 drv = 0;
9890: char sep_chars[] = ":.;,=+";
9891: char end_chars[] = "\\<>|/\"[]";
9892: char spc_chars[] = " \t";
9893:
1.1.1.20 root 9894: memcpy(buffer, mem + SREG_BASE(DS) + REG16(SI), 1023);
9895: buffer[1023] = 0;
9896: memset(name, 0x20, sizeof(name));
9897: memset(ext, 0x20, sizeof(ext));
9898:
1.1 root 9899: if(REG8(AL) & 1) {
1.1.1.20 root 9900: ofs += strspn((char *)(buffer + ofs), spc_chars);
9901: if(my_strchr(sep_chars, buffer[ofs]) && buffer[ofs] != '\0') {
1.1 root 9902: ofs++;
9903: }
9904: }
1.1.1.20 root 9905: ofs += strspn((char *)(buffer + ofs), spc_chars);
1.1 root 9906:
1.1.1.24 root 9907: if(buffer[ofs + 1] == ':') {
9908: if(buffer[ofs] >= 'a' && buffer[ofs] <= 'z') {
9909: drv = buffer[ofs] - 'a' + 1;
1.1.1.20 root 9910: ofs += 2;
1.1.1.24 root 9911: if(buffer[ofs] == '\\' || buffer[ofs] == '/') {
9912: ofs++;
9913: }
9914: } else if(buffer[ofs] >= 'A' && buffer[ofs] <= 'Z') {
9915: drv = buffer[ofs] - 'A' + 1;
1.1 root 9916: ofs += 2;
1.1.1.24 root 9917: if(buffer[ofs] == '\\' || buffer[ofs] == '/') {
9918: ofs++;
9919: }
1.1 root 9920: }
9921: }
1.1.1.20 root 9922: for(int i = 0, is_kanji = 0; i < MAX_PATH; i++) {
9923: UINT8 c = buffer[ofs];
9924: if(is_kanji) {
9925: is_kanji = 0;
9926: } else if(msdos_lead_byte_check(c)) {
9927: is_kanji = 1;
9928: } else if(c <= 0x20 || my_strchr(end_chars, c) || my_strchr(sep_chars, c)) {
1.1 root 9929: break;
9930: } else if(c >= 'a' && c <= 'z') {
9931: c -= 0x20;
9932: }
9933: ofs++;
9934: name[i] = c;
9935: }
1.1.1.20 root 9936: if(buffer[ofs] == '.') {
1.1 root 9937: ofs++;
1.1.1.20 root 9938: for(int i = 0, is_kanji = 0; i < MAX_PATH; i++) {
9939: UINT8 c = buffer[ofs];
9940: if(is_kanji) {
9941: is_kanji = 0;
9942: } else if(msdos_lead_byte_check(c)) {
9943: is_kanji = 1;
9944: } else if(c <= 0x20 || my_strchr(end_chars, c) || my_strchr(sep_chars, c)) {
1.1 root 9945: break;
9946: } else if(c >= 'a' && c <= 'z') {
9947: c -= 0x20;
9948: }
9949: ofs++;
9950: ext[i] = c;
9951: }
9952: }
1.1.1.20 root 9953: int si = REG16(SI) + ofs;
1.1.1.3 root 9954: int ds = SREG(DS);
1.1 root 9955: while(si > 0xffff) {
9956: si -= 0x10;
9957: ds++;
9958: }
9959: REG16(SI) = si;
1.1.1.3 root 9960: SREG(DS) = ds;
9961: i386_load_segment_descriptor(DS);
1.1 root 9962:
1.1.1.3 root 9963: UINT8 *fcb = mem + SREG_BASE(ES) + REG16(DI);
1.1.1.20 root 9964: if(!(REG8(AL) & 2) || drv != 0) {
9965: fcb[0] = drv;
9966: }
9967: if(!(REG8(AL) & 4) || name[0] != 0x20) {
9968: memcpy(fcb + 1, name, 8);
9969: }
9970: if(!(REG8(AL) & 8) || ext[0] != 0x20) {
9971: memcpy(fcb + 9, ext, 3);
9972: }
9973: for(int i = 1, found_star = 0; i < 1 + 8; i++) {
1.1 root 9974: if(fcb[i] == '*') {
9975: found_star = 1;
9976: }
9977: if(found_star) {
9978: fcb[i] = '?';
9979: }
9980: }
1.1.1.20 root 9981: for(int i = 9, found_star = 0; i < 9 + 3; i++) {
1.1 root 9982: if(fcb[i] == '*') {
9983: found_star = 1;
9984: }
9985: if(found_star) {
9986: fcb[i] = '?';
9987: }
9988: }
9989:
1.1.1.44 root 9990: if(drv == 0 || msdos_is_valid_drive(drv - 1)) {
1.1 root 9991: if(memchr(fcb + 1, '?', 8 + 3)) {
9992: REG8(AL) = 0x01;
1.1.1.20 root 9993: } else {
9994: REG8(AL) = 0x00;
1.1 root 9995: }
9996: } else {
9997: REG8(AL) = 0xff;
9998: }
9999: }
10000:
10001: inline void msdos_int_21h_2ah()
10002: {
10003: SYSTEMTIME sTime;
10004:
10005: GetLocalTime(&sTime);
10006: REG16(CX) = sTime.wYear;
10007: REG8(DH) = (UINT8)sTime.wMonth;
10008: REG8(DL) = (UINT8)sTime.wDay;
10009: REG8(AL) = (UINT8)sTime.wDayOfWeek;
10010: }
10011:
10012: inline void msdos_int_21h_2bh()
10013: {
1.1.1.14 root 10014: REG8(AL) = 0xff;
1.1 root 10015: }
10016:
10017: inline void msdos_int_21h_2ch()
10018: {
10019: SYSTEMTIME sTime;
10020:
10021: GetLocalTime(&sTime);
10022: REG8(CH) = (UINT8)sTime.wHour;
10023: REG8(CL) = (UINT8)sTime.wMinute;
10024: REG8(DH) = (UINT8)sTime.wSecond;
1.1.1.14 root 10025: REG8(DL) = (UINT8)sTime.wMilliseconds / 10;
1.1 root 10026: }
10027:
10028: inline void msdos_int_21h_2dh()
10029: {
10030: REG8(AL) = 0x00;
10031: }
10032:
10033: inline void msdos_int_21h_2eh()
10034: {
10035: process_t *process = msdos_process_info_get(current_psp);
10036:
10037: process->verify = REG8(AL);
10038: }
10039:
10040: inline void msdos_int_21h_2fh()
10041: {
10042: process_t *process = msdos_process_info_get(current_psp);
10043:
10044: REG16(BX) = process->dta.w.l;
1.1.1.3 root 10045: SREG(ES) = process->dta.w.h;
10046: i386_load_segment_descriptor(ES);
1.1 root 10047: }
10048:
10049: inline void msdos_int_21h_30h()
10050: {
10051: // Version Flag / OEM
1.1.1.27 root 10052: if(REG8(AL) == 0x01) {
1.1.1.29 root 10053: #ifdef SUPPORT_HMA
10054: REG16(BX) = 0x0000;
10055: #else
10056: REG16(BX) = 0x1000; // DOS is in HMA
10057: #endif
1.1 root 10058: } else {
1.1.1.27 root 10059: // NOTE: EXDEB invites BL shows the machine type (0=PC-98, 1=PC/AT, 2=FMR),
10060: // but this is not correct on Windows 98 SE
10061: // REG16(BX) = 0xff01; // OEM = Microsoft, PC/AT
10062: REG16(BX) = 0xff00; // OEM = Microsoft
1.1 root 10063: }
1.1.1.27 root 10064: REG16(CX) = 0x0000;
1.1.1.30 root 10065: REG8(AL) = dos_major_version; // 7
10066: REG8(AH) = dos_minor_version; // 10
1.1 root 10067: }
10068:
10069: inline void msdos_int_21h_31h()
10070: {
1.1.1.29 root 10071: try {
10072: msdos_mem_realloc(current_psp, REG16(DX), NULL);
10073: } catch(...) {
10074: // recover the broken mcb
10075: int mcb_seg = current_psp - 1;
10076: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1.1.33 root 10077:
1.1.1.29 root 10078: if(mcb_seg < (MEMORY_END >> 4)) {
1.1.1.33 root 10079: mcb->mz = 'M';
10080: mcb->paragraphs = (MEMORY_END >> 4) - mcb_seg - 2;
10081:
1.1.1.29 root 10082: if(((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked & 0x01) {
1.1.1.39 root 10083: msdos_mcb_create((MEMORY_END >> 4) - 1, 'M', PSP_SYSTEM, (UMB_TOP >> 4) - (MEMORY_END >> 4), "SC");
1.1.1.29 root 10084: } else {
1.1.1.39 root 10085: msdos_mcb_create((MEMORY_END >> 4) - 1, 'Z', PSP_SYSTEM, 0, "SC");
1.1.1.29 root 10086: }
10087: } else {
10088: mcb->mz = 'Z';
1.1.1.30 root 10089: mcb->paragraphs = (UMB_END >> 4) - mcb_seg - 1;
1.1.1.29 root 10090: }
10091: msdos_mem_realloc(current_psp, REG16(DX), NULL);
10092: }
1.1 root 10093: msdos_process_terminate(current_psp, REG8(AL) | 0x300, 0);
10094: }
10095:
10096: inline void msdos_int_21h_32h()
10097: {
10098: int drive_num = (REG8(DL) == 0) ? (_getdrive() - 1) : (REG8(DL) - 1);
10099: UINT16 seg, ofs;
10100:
10101: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
10102: REG8(AL) = 0;
1.1.1.3 root 10103: SREG(DS) = seg;
10104: i386_load_segment_descriptor(DS);
1.1 root 10105: REG16(BX) = ofs;
10106: } else {
10107: REG8(AL) = 0xff;
1.1.1.3 root 10108: m_CF = 1;
1.1 root 10109: }
10110: }
10111:
10112: inline void msdos_int_21h_33h()
10113: {
10114: char path[MAX_PATH];
1.1.1.48 root 10115: char drive = 3; // C:
1.1 root 10116:
10117: switch(REG8(AL)) {
10118: case 0x00:
1.1.1.33 root 10119: REG8(DL) = ctrl_break_checking;
1.1 root 10120: break;
10121: case 0x01:
1.1.1.33 root 10122: ctrl_break_checking = REG8(DL);
10123: break;
10124: case 0x02:
10125: {
10126: UINT8 old = ctrl_break_checking;
10127: ctrl_break_checking = REG8(DL);
10128: REG8(DL) = old;
10129: }
10130: break;
10131: case 0x03:
10132: case 0x04:
10133: // DOS 4.0+ - Unused
1.1 root 10134: break;
10135: case 0x05:
1.1.1.48 root 10136: if(GetSystemDirectory(path, MAX_PATH) != 0) {
10137: if(path[0] >= 'a' && path[0] <= 'z') {
10138: drive = path[0] - 'a' + 1;
10139: } else if(path[0] >= 'A' && path[0] <= 'Z') {
10140: drive = path[0] - 'A' + 1;
10141: }
1.1 root 10142: }
1.1.1.48 root 10143: REG8(DL) = (UINT8)drive;
1.1 root 10144: break;
10145: case 0x06:
1.1.1.2 root 10146: // MS-DOS version (7.10)
1.1 root 10147: REG8(BL) = 7;
1.1.1.2 root 10148: REG8(BH) = 10;
1.1 root 10149: REG8(DL) = 0;
1.1.1.29 root 10150: #ifdef SUPPORT_HMA
10151: REG8(DH) = 0x00;
10152: #else
10153: REG8(DH) = 0x10; // DOS is in HMA
10154: #endif
1.1 root 10155: break;
1.1.1.6 root 10156: case 0x07:
10157: if(REG8(DL) == 0) {
10158: ((dos_info_t *)(mem + DOS_INFO_TOP))->dos_flag &= ~0x20;
10159: } else if(REG8(DL) == 1) {
10160: ((dos_info_t *)(mem + DOS_INFO_TOP))->dos_flag |= 0x20;
10161: }
10162: break;
1.1 root 10163: default:
1.1.1.22 root 10164: 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 10165: // REG16(AX) = 0x01;
10166: // m_CF = 1;
10167: REG8(AL) = 0xff;
1.1 root 10168: break;
10169: }
10170: }
10171:
1.1.1.23 root 10172: inline void msdos_int_21h_34h()
10173: {
10174: SREG(ES) = SDA_TOP >> 4;
10175: i386_load_segment_descriptor(ES);
10176: REG16(BX) = offsetof(sda_t, indos_flag);;
10177: }
10178:
1.1 root 10179: inline void msdos_int_21h_35h()
10180: {
10181: REG16(BX) = *(UINT16 *)(mem + 4 * REG8(AL) + 0);
1.1.1.3 root 10182: SREG(ES) = *(UINT16 *)(mem + 4 * REG8(AL) + 2);
10183: i386_load_segment_descriptor(ES);
1.1 root 10184: }
10185:
10186: inline void msdos_int_21h_36h()
10187: {
10188: struct _diskfree_t df = {0};
10189:
10190: if(_getdiskfree(REG8(DL), &df) == 0) {
10191: REG16(AX) = (UINT16)df.sectors_per_cluster;
10192: REG16(CX) = (UINT16)df.bytes_per_sector;
1.1.1.13 root 10193: REG16(BX) = df.avail_clusters > 0xFFFF ? 0xFFFF : (UINT16)df.avail_clusters;
10194: REG16(DX) = df.total_clusters > 0xFFFF ? 0xFFFF : (UINT16)df.total_clusters;
1.1 root 10195: } else {
10196: REG16(AX) = 0xffff;
10197: }
10198: }
10199:
10200: inline void msdos_int_21h_37h()
10201: {
1.1.1.22 root 10202: static UINT8 dev_flag = 0xff;
1.1 root 10203:
10204: switch(REG8(AL)) {
10205: case 0x00:
1.1.1.22 root 10206: {
10207: process_t *process = msdos_process_info_get(current_psp);
10208: REG8(AL) = 0x00;
10209: REG8(DL) = process->switchar;
10210: }
1.1 root 10211: break;
10212: case 0x01:
1.1.1.22 root 10213: {
10214: process_t *process = msdos_process_info_get(current_psp);
10215: REG8(AL) = 0x00;
10216: process->switchar = REG8(DL);
1.1.1.23 root 10217: msdos_sda_update(current_psp);
1.1.1.22 root 10218: }
10219: break;
10220: case 0x02:
10221: REG8(DL) = dev_flag;
10222: break;
10223: case 0x03:
10224: dev_flag = REG8(DL);
10225: break;
10226: case 0xd0:
10227: case 0xd1:
10228: case 0xd2:
10229: case 0xd3:
10230: case 0xd4:
10231: case 0xd5:
10232: case 0xd6:
10233: case 0xd7:
10234: case 0xdc:
10235: case 0xdd:
10236: case 0xde:
10237: case 0xdf:
1.1.1.48 root 10238: // DIET v1.43e
10239: // REG16(AX) = 1;
10240: REG8(AL) = 0xff;
1.1 root 10241: break;
10242: default:
1.1.1.22 root 10243: 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 10244: // REG16(AX) = 1;
10245: REG8(AL) = 0xff;
1.1 root 10246: break;
10247: }
10248: }
10249:
1.1.1.52 root 10250: int get_country_info(country_info_t *ci, LCID locale = LOCALE_USER_DEFAULT)
1.1.1.17 root 10251: {
10252: char LCdata[80];
10253:
1.1.1.19 root 10254: ZeroMemory(ci, offsetof(country_info_t, reserved));
1.1.1.42 root 10255: GetLocaleInfo(locale, LOCALE_ICURRDIGITS, LCdata, sizeof(LCdata));
1.1.1.17 root 10256: ci->currency_dec_digits = atoi(LCdata);
1.1.1.42 root 10257: GetLocaleInfo(locale, LOCALE_ICURRENCY, LCdata, sizeof(LCdata));
1.1.1.17 root 10258: ci->currency_format = *LCdata - '0';
1.1.1.42 root 10259: GetLocaleInfo(locale, LOCALE_IDATE, LCdata, sizeof(LCdata));
1.1.1.17 root 10260: ci->date_format = *LCdata - '0';
1.1.1.42 root 10261: GetLocaleInfo(locale, LOCALE_SCURRENCY, LCdata, sizeof(LCdata));
1.1.1.17 root 10262: memcpy(&ci->currency_symbol, LCdata, 4);
1.1.1.42 root 10263: GetLocaleInfo(locale, LOCALE_SDATE, LCdata, sizeof(LCdata));
1.1.1.17 root 10264: *ci->date_sep = *LCdata;
1.1.1.42 root 10265: GetLocaleInfo(locale, LOCALE_SDECIMAL, LCdata, sizeof(LCdata));
1.1.1.17 root 10266: *ci->dec_sep = *LCdata;
1.1.1.42 root 10267: GetLocaleInfo(locale, LOCALE_SLIST, LCdata, sizeof(LCdata));
1.1.1.17 root 10268: *ci->list_sep = *LCdata;
1.1.1.42 root 10269: GetLocaleInfo(locale, LOCALE_STHOUSAND, LCdata, sizeof(LCdata));
1.1.1.17 root 10270: *ci->thou_sep = *LCdata;
1.1.1.42 root 10271: GetLocaleInfo(locale, LOCALE_STIME, LCdata, sizeof(LCdata));
1.1.1.17 root 10272: *ci->time_sep = *LCdata;
1.1.1.42 root 10273: GetLocaleInfo(locale, LOCALE_STIMEFORMAT, LCdata, sizeof(LCdata));
1.1.1.17 root 10274: if(strchr(LCdata, 'H') != NULL) {
10275: ci->time_format = 1;
10276: }
1.1.1.49 root 10277: ci->case_map.w.l = 0x000a; // dummy case map routine is at fffc:000a
10278: ci->case_map.w.h = DUMMY_TOP >> 4;
1.1.1.42 root 10279: GetLocaleInfo(locale, LOCALE_ICOUNTRY, LCdata, sizeof(LCdata));
1.1.1.17 root 10280: return atoi(LCdata);
10281: }
10282:
1.1.1.42 root 10283: int get_country_info(country_info_t *ci, USHORT usPrimaryLanguage, USHORT usSubLanguage)
10284: {
10285: return get_country_info(ci, MAKELCID(MAKELANGID(usPrimaryLanguage, usSubLanguage), SORT_DEFAULT));
10286: }
10287:
1.1.1.43 root 10288: void set_country_info(country_info_t *ci, int size)
10289: {
10290: char LCdata[80];
10291:
10292: if(size >= 0x00 + 2) {
10293: memset(LCdata, 0, sizeof(LCdata));
10294: *LCdata = '0' + ci->date_format;
10295: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_IDATE, LCdata);
10296: }
10297: if(size >= 0x02 + 5) {
10298: memset(LCdata, 0, sizeof(LCdata));
10299: memcpy(LCdata, &ci->currency_symbol, 4);
10300: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SCURRENCY, LCdata);
10301: }
10302: if(size >= 0x07 + 2) {
10303: memset(LCdata, 0, sizeof(LCdata));
10304: *LCdata = *ci->thou_sep;
10305: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_STHOUSAND, LCdata);
10306: }
10307: if(size >= 0x09 + 2) {
10308: memset(LCdata, 0, sizeof(LCdata));
10309: *LCdata = *ci->dec_sep;
10310: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SDECIMAL, LCdata);
10311: }
10312: if(size >= 0x0b + 2) {
10313: memset(LCdata, 0, sizeof(LCdata));
10314: *LCdata = *ci->date_sep;
10315: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SDATE, LCdata);
10316: }
10317: if(size >= 0x0d + 2) {
10318: memset(LCdata, 0, sizeof(LCdata));
10319: *LCdata = *ci->time_sep;
10320: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_STIME, LCdata);
10321: }
10322: if(size >= 0x0f + 1) {
10323: memset(LCdata, 0, sizeof(LCdata));
10324: *LCdata = '0' + ci->currency_format;
10325: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_ICURRENCY, LCdata);
10326: }
10327: if(size >= 0x10 + 1) {
10328: sprintf(LCdata, "%d", ci->currency_dec_digits);
10329: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_ICURRDIGITS, LCdata);
10330: }
10331: if(size >= 0x11 + 1) {
10332: // FIXME: is time format always H/h:mm:ss ???
10333: if(ci->time_format & 1) {
10334: sprintf(LCdata, "H%cmm%css", *ci->time_sep, *ci->time_sep);
10335: } else {
10336: sprintf(LCdata, "h%cmm%css", *ci->time_sep, *ci->time_sep);
10337: }
10338: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_STIMEFORMAT, LCdata);
10339: }
10340: if(size >= 0x12 + 4) {
10341: // 12h DWORD address of case map routine
10342: // (FAR CALL, AL = character to map to upper case [>= 80h])
10343: }
10344: if(size >= 0x16 + 2) {
10345: memset(LCdata, 0, sizeof(LCdata));
10346: *LCdata = *ci->list_sep;
10347: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SLIST, LCdata);
10348: }
10349: }
10350:
1.1.1.42 root 10351: #ifndef SUBLANG_SWAHILI
10352: #define SUBLANG_SWAHILI 0x01
10353: #endif
10354: #ifndef SUBLANG_TSWANA_BOTSWANA
10355: #define SUBLANG_TSWANA_BOTSWANA 0x02
10356: #endif
10357: #ifndef SUBLANG_LITHUANIAN_LITHUANIA
10358: #define SUBLANG_LITHUANIAN_LITHUANIA 0x01
10359: #endif
10360: #ifndef LANG_BANGLA
10361: #define LANG_BANGLA 0x45
10362: #endif
10363: #ifndef SUBLANG_BANGLA_BANGLADESH
10364: #define SUBLANG_BANGLA_BANGLADESH 0x02
10365: #endif
10366:
10367: static const struct {
10368: int code;
10369: USHORT usPrimaryLanguage;
10370: USHORT usSubLanguage;
10371: } country_table[] = {
10372: {0x001, LANG_ENGLISH, SUBLANG_ENGLISH_US}, // United States
10373: {0x002, LANG_FRENCH, SUBLANG_FRENCH_CANADIAN}, // Canadian-French
10374: {0x004, LANG_ENGLISH, SUBLANG_ENGLISH_CAN}, // Canada (English)
10375: {0x007, LANG_RUSSIAN, SUBLANG_RUSSIAN_RUSSIA}, // Russia
10376: {0x014, LANG_ARABIC, SUBLANG_ARABIC_EGYPT}, // Egypt
10377: {0x01B, LANG_ZULU, SUBLANG_ZULU_SOUTH_AFRICA}, // South Africa
10378: // {0x01B, LANG_XHOSA, SUBLANG_XHOSA_SOUTH_AFRICA}, // South Africa
10379: // {0x01B, LANG_AFRIKAANS, SUBLANG_AFRIKAANS_SOUTH_AFRICA}, // South Africa
10380: // {0x01B, LANG_ENGLISH, SUBLANG_ENGLISH_SOUTH_AFRICA}, // South Africa
10381: // {0x01B, LANG_SOTHO, SUBLANG_SOTHO_NORTHERN_SOUTH_AFRICA}, // South Africa
10382: // {0x01B, LANG_TSWANA, SUBLANG_TSWANA_SOUTH_AFRICA}, // South Africa
10383: {0x01E, LANG_GREEK, SUBLANG_GREEK_GREECE}, // Greece
10384: {0x01F, LANG_DUTCH, SUBLANG_DUTCH}, // Netherlands
10385: // {0x01F, LANG_FRISIAN, SUBLANG_FRISIAN_NETHERLANDS}, // Netherlands
10386: {0x020, LANG_DUTCH, SUBLANG_DUTCH_BELGIAN}, // Belgium
10387: // {0x020, LANG_FRENCH, SUBLANG_FRENCH_BELGIAN}, // Belgium
10388: {0x021, LANG_FRENCH, SUBLANG_FRENCH}, // France
10389: {0x022, LANG_SPANISH, SUBLANG_SPANISH}, // Spain
10390: {0x023, LANG_BULGARIAN, SUBLANG_BULGARIAN_BULGARIA}, // Bulgaria???
10391: {0x024, LANG_HUNGARIAN, SUBLANG_HUNGARIAN_HUNGARY}, // Hungary (not supported by DR DOS 5.0)
10392: {0x027, LANG_ITALIAN, SUBLANG_ITALIAN}, // Italy / San Marino / Vatican City
10393: {0x028, LANG_ROMANIAN, SUBLANG_ROMANIAN_ROMANIA}, // Romania
10394: {0x029, LANG_GERMAN, SUBLANG_GERMAN_SWISS}, // Switzerland / Liechtenstein
10395: // {0x029, LANG_FRENCH, SUBLANG_FRENCH_SWISS}, // Switzerland / Liechtenstein
10396: // {0x029, LANG_ITALIAN, SUBLANG_ITALIAN_SWISS}, // Switzerland / Liechtenstein
10397: {0x02A, LANG_SLOVAK, SUBLANG_SLOVAK_SLOVAKIA}, // Czechoslovakia / Tjekia / Slovakia (not supported by DR DOS 5.0)
10398: {0x02B, LANG_GERMAN, SUBLANG_GERMAN_AUSTRIAN}, // Austria (DR DOS 5.0)
10399: {0x02C, LANG_ENGLISH, SUBLANG_ENGLISH_UK}, // United Kingdom
10400: {0x02D, LANG_DANISH, SUBLANG_DANISH_DENMARK}, // Denmark
10401: {0x02E, LANG_SWEDISH, SUBLANG_SWEDISH}, // Sweden
10402: // {0x02E, LANG_SAMI, SUBLANG_SAMI_NORTHERN_SWEDEN}, // Sweden
10403: // {0x02E, LANG_SAMI, SUBLANG_SAMI_LULE_SWEDEN}, // Sweden
10404: // {0x02E, LANG_SAMI, SUBLANG_SAMI_SOUTHERN_SWEDEN}, // Sweden
10405: {0x02F, LANG_NORWEGIAN, SUBLANG_NORWEGIAN_BOKMAL}, // Norway
10406: // {0x02F, LANG_NORWEGIAN, SUBLANG_NORWEGIAN_NYNORSK}, // Norway
10407: // {0x02F, LANG_SAMI, SUBLANG_SAMI_NORTHERN_NORWAY}, // Norway
10408: // {0x02F, LANG_SAMI, SUBLANG_SAMI_LULE_NORWAY}, // Norway
10409: // {0x02F, LANG_SAMI, SUBLANG_SAMI_SOUTHERN_NORWAY}, // Norway
10410: {0x030, LANG_POLISH, SUBLANG_POLISH_POLAND}, // Poland (not supported by DR DOS 5.0)
10411: {0x031, LANG_GERMAN, SUBLANG_GERMAN}, // Germany
10412: {0x033, LANG_SPANISH, SUBLANG_SPANISH_PERU}, // Peru
10413: // {0x033, LANG_QUECHUA, SUBLANG_QUECHUA_PERU}, // Peru
10414: {0x034, LANG_SPANISH, SUBLANG_SPANISH_MEXICAN}, // Mexico
10415: {0x035, LANG_SPANISH, SUBLANG_NEUTRAL}, // Cuba
10416: {0x036, LANG_SPANISH, SUBLANG_SPANISH_ARGENTINA}, // Argentina
10417: {0x037, LANG_PORTUGUESE, SUBLANG_PORTUGUESE_BRAZILIAN}, // Brazil (not supported by DR DOS 5.0)
10418: {0x038, LANG_SPANISH, SUBLANG_SPANISH_CHILE}, // Chile
10419: {0x039, LANG_SPANISH, SUBLANG_SPANISH_COLOMBIA}, // Columbia
10420: {0x03A, LANG_SPANISH, SUBLANG_SPANISH_VENEZUELA}, // Venezuela
10421: {0x03C, LANG_MALAY, SUBLANG_MALAY_MALAYSIA}, // Malaysia
10422: {0x03D, LANG_ENGLISH, SUBLANG_ENGLISH_AUS}, // International English / Australia
10423: {0x03E, LANG_INDONESIAN, SUBLANG_INDONESIAN_INDONESIA}, // Indonesia / East Timor
10424: {0x03F, LANG_ENGLISH, SUBLANG_ENGLISH_PHILIPPINES}, // Philippines
10425: {0x040, LANG_ENGLISH, SUBLANG_ENGLISH_NZ}, // New Zealand
10426: {0x041, LANG_CHINESE, SUBLANG_CHINESE_SINGAPORE}, // Singapore
10427: // {0x041, LANG_ENGLISH, SUBLANG_ENGLISH_SINGAPORE}, // Singapore
10428: {0x042, LANG_CHINESE_TRADITIONAL, SUBLANG_CHINESE_TRADITIONAL}, // Taiwan???
10429: {0x051, LANG_JAPANESE, SUBLANG_JAPANESE_JAPAN}, // Japan (DR DOS 5.0, MS-DOS 5.0+)
10430: {0x052, LANG_KOREAN, SUBLANG_KOREAN}, // South Korea (DR DOS 5.0)
10431: {0x054, LANG_VIETNAMESE, SUBLANG_VIETNAMESE_VIETNAM}, // Vietnam
10432: {0x056, LANG_CHINESE_SIMPLIFIED, SUBLANG_CHINESE_SIMPLIFIED}, // China (MS-DOS 5.0+)
10433: {0x058, LANG_CHINESE_TRADITIONAL, SUBLANG_CHINESE_TRADITIONAL}, // Taiwan (MS-DOS 5.0+)
10434: {0x05A, LANG_TURKISH, SUBLANG_TURKISH_TURKEY}, // Turkey (MS-DOS 5.0+)
10435: {0x05B, LANG_HINDI, SUBLANG_HINDI_INDIA}, // India
10436: {0x05C, LANG_URDU, SUBLANG_URDU_PAKISTAN}, // Pakistan
10437: {0x05D, LANG_PASHTO, SUBLANG_PASHTO_AFGHANISTAN}, // Afghanistan
10438: // {0x05D, LANG_DARI, SUBLANG_DARI_AFGHANISTAN}, // Afghanistan
10439: {0x05E, LANG_SINHALESE, SUBLANG_SINHALESE_SRI_LANKA}, // Sri Lanka
10440: // {0x05E, LANG_TAMIL, SUBLANG_TAMIL_SRI_LANKA}, // Sri Lanka
10441: {0x062, LANG_PERSIAN, SUBLANG_PERSIAN_IRAN}, // Iran
10442: {0x070, LANG_BELARUSIAN, SUBLANG_BELARUSIAN_BELARUS}, // Belarus
10443: {0x0C8, LANG_THAI, SUBLANG_THAI_THAILAND}, // Thailand
10444: {0x0D4, LANG_ARABIC, SUBLANG_ARABIC_MOROCCO}, // Morocco
10445: {0x0D5, LANG_ARABIC, SUBLANG_ARABIC_ALGERIA}, // Algeria
10446: {0x0D8, LANG_ARABIC, SUBLANG_ARABIC_TUNISIA}, // Tunisia
10447: {0x0DA, LANG_ARABIC, SUBLANG_ARABIC_LIBYA}, // Libya
10448: {0x0DD, LANG_WOLOF, SUBLANG_WOLOF_SENEGAL}, // Senegal
10449: // {0x0DD, LANG_PULAR, SUBLANG_PULAR_SENEGAL}, // Senegal
10450: {0x0EA, LANG_HAUSA, SUBLANG_HAUSA_NIGERIA_LATIN}, // Nigeria
10451: // {0x0EA, LANG_YORUBA, SUBLANG_YORUBA_NIGERIA}, // Nigeria
10452: // {0x0EA, LANG_IGBO, SUBLANG_IGBO_NIGERIA}, // Nigeria
10453: {0x0FB, LANG_AMHARIC, SUBLANG_AMHARIC_ETHIOPIA}, // Ethiopia
10454: // {0x0FB, LANG_TIGRINYA, SUBLANG_TIGRINYA_ETHIOPIA}, // Ethiopia
10455: {0x0FE, LANG_SWAHILI, SUBLANG_SWAHILI}, // Kenya
10456: {0x107, LANG_ENGLISH, SUBLANG_ENGLISH_ZIMBABWE}, // Zimbabwe
10457: {0x10B, LANG_TSWANA, SUBLANG_TSWANA_BOTSWANA}, // Botswana
10458: {0x12A, LANG_FAEROESE, SUBLANG_FAEROESE_FAROE_ISLANDS}, // Faroe Islands
10459: {0x12B, LANG_GREENLANDIC, SUBLANG_GREENLANDIC_GREENLAND}, // Greenland
10460: {0x15F, LANG_PORTUGUESE, SUBLANG_PORTUGUESE}, // Portugal
10461: {0x160, LANG_LUXEMBOURGISH, SUBLANG_LUXEMBOURGISH_LUXEMBOURG}, // Luxembourg
10462: // {0x160, LANG_GERMAN, SUBLANG_GERMAN_LUXEMBOURG}, // Luxembourg
10463: // {0x160, LANG_FRENCH, SUBLANG_FRENCH_LUXEMBOURG}, // Luxembourg
10464: {0x161, LANG_IRISH, SUBLANG_IRISH_IRELAND}, // Ireland
10465: // {0x161, LANG_ENGLISH, SUBLANG_ENGLISH_IRELAND}, // Ireland
10466: {0x162, LANG_ICELANDIC, SUBLANG_ICELANDIC_ICELAND}, // Iceland
10467: {0x163, LANG_ALBANIAN, SUBLANG_ALBANIAN_ALBANIA}, // Albania
10468: {0x164, LANG_MALTESE, SUBLANG_MALTESE_MALTA}, // Malta
10469: {0x166, LANG_FINNISH, SUBLANG_FINNISH_FINLAND}, // Finland
10470: // {0x166, LANG_SAMI, SUBLANG_SAMI_NORTHERN_FINLAND}, // Finland
10471: // {0x166, LANG_SAMI, SUBLANG_SAMI_SKOLT_FINLAND}, // Finland
10472: // {0x166, LANG_SAMI, SUBLANG_SAMI_INARI_FINLAND}, // Finland
10473: {0x167, LANG_BULGARIAN, SUBLANG_BULGARIAN_BULGARIA}, // Bulgaria
10474: {0x172, LANG_LITHUANIAN, SUBLANG_LITHUANIAN_LITHUANIA}, // Lithuania
10475: {0x173, LANG_LATVIAN, SUBLANG_LATVIAN_LATVIA}, // Latvia
10476: {0x174, LANG_ESTONIAN, SUBLANG_ESTONIAN_ESTONIA}, // Estonia
10477: {0x17D, LANG_SERBIAN, SUBLANG_SERBIAN_LATIN}, // Serbia / Montenegro
10478: {0x180, LANG_SERBIAN, SUBLANG_SERBIAN_CROATIA}, // Croatia???
10479: {0x181, LANG_SERBIAN, SUBLANG_SERBIAN_CROATIA}, // Croatia
10480: {0x182, LANG_SLOVENIAN, SUBLANG_SLOVENIAN_SLOVENIA}, // Slovenia
10481: {0x183, LANG_BOSNIAN, SUBLANG_BOSNIAN_BOSNIA_HERZEGOVINA_LATIN}, // Bosnia-Herzegovina (Latin)
10482: {0x184, LANG_BOSNIAN, SUBLANG_BOSNIAN_BOSNIA_HERZEGOVINA_CYRILLIC}, // Bosnia-Herzegovina (Cyrillic)
10483: {0x185, LANG_MACEDONIAN, SUBLANG_MACEDONIAN_MACEDONIA}, // FYR Macedonia
10484: {0x1A5, LANG_CZECH, SUBLANG_CZECH_CZECH_REPUBLIC}, // Czech Republic
10485: {0x1A6, LANG_SLOVAK, SUBLANG_SLOVAK_SLOVAKIA}, // Slovakia
10486: {0x1F5, LANG_ENGLISH, SUBLANG_ENGLISH_BELIZE}, // Belize
10487: {0x1F6, LANG_SPANISH, SUBLANG_SPANISH_GUATEMALA}, // Guatemala
10488: {0x1F7, LANG_SPANISH, SUBLANG_SPANISH_EL_SALVADOR}, // El Salvador
10489: {0x1F8, LANG_SPANISH, SUBLANG_SPANISH_HONDURAS}, // Honduras
10490: {0x1F9, LANG_SPANISH, SUBLANG_SPANISH_NICARAGUA}, // Nicraragua
10491: {0x1FA, LANG_SPANISH, SUBLANG_SPANISH_COSTA_RICA}, // Costa Rica
10492: {0x1FB, LANG_SPANISH, SUBLANG_SPANISH_PANAMA}, // Panama
10493: {0x24F, LANG_SPANISH, SUBLANG_SPANISH_BOLIVIA}, // Bolivia
1.1.1.43 root 10494: // {0x24F, LANG_QUECHUA, SUBLANG_QUECHUA_BOLIVIA}, // Bolivia
1.1.1.42 root 10495: {0x251, LANG_SPANISH, SUBLANG_SPANISH_ECUADOR}, // Ecuador
10496: // {0x251, LANG_QUECHUA, SUBLANG_QUECHUA_ECUADOR}, // Ecuador
10497: {0x253, LANG_SPANISH, SUBLANG_SPANISH_PARAGUAY}, // Paraguay
10498: {0x256, LANG_SPANISH, SUBLANG_SPANISH_URUGUAY}, // Uruguay
10499: {0x2A1, LANG_MALAY, SUBLANG_MALAY_BRUNEI_DARUSSALAM}, // Brunei Darussalam
10500: {0x311, LANG_ARABIC, SUBLANG_NEUTRAL}, // Arabic (Middle East/Saudi Arabia/etc.)
10501: {0x324, LANG_UKRAINIAN, SUBLANG_UKRAINIAN_UKRAINE}, // Ukraine
10502: {0x352, LANG_KOREAN, SUBLANG_KOREAN}, // North Korea
10503: {0x354, LANG_CHINESE, SUBLANG_CHINESE_HONGKONG}, // Hong Kong
10504: {0x355, LANG_CHINESE, SUBLANG_CHINESE_MACAU}, // Macao
10505: {0x357, LANG_KHMER, SUBLANG_KHMER_CAMBODIA}, // Cambodia
10506: {0x370, LANG_BANGLA, SUBLANG_BANGLA_BANGLADESH}, // Bangladesh
10507: {0x376, LANG_CHINESE_TRADITIONAL, SUBLANG_CHINESE_TRADITIONAL}, // Taiwan (DOS 6.22+)
10508: {0x3C0, LANG_DIVEHI, SUBLANG_DIVEHI_MALDIVES}, // Maldives
10509: {0x3C1, LANG_ARABIC, SUBLANG_ARABIC_LEBANON}, // Lebanon
10510: {0x3C2, LANG_ARABIC, SUBLANG_ARABIC_JORDAN}, // Jordan
10511: {0x3C3, LANG_ARABIC, SUBLANG_ARABIC_SYRIA}, // Syrian Arab Republic
10512: {0x3C4, LANG_ARABIC, SUBLANG_ARABIC_IRAQ}, // Ireq
10513: {0x3C5, LANG_ARABIC, SUBLANG_ARABIC_KUWAIT}, // Kuwait
10514: {0x3C6, LANG_ARABIC, SUBLANG_ARABIC_SAUDI_ARABIA}, // Saudi Arabia
10515: {0x3C7, LANG_ARABIC, SUBLANG_ARABIC_YEMEN}, // Yemen
10516: {0x3C8, LANG_ARABIC, SUBLANG_ARABIC_OMAN}, // Oman
10517: {0x3CB, LANG_ARABIC, SUBLANG_ARABIC_UAE}, // United Arab Emirates
10518: {0x3CC, LANG_HEBREW, SUBLANG_HEBREW_ISRAEL}, // Israel (Hebrew) (DR DOS 5.0,MS-DOS 5.0+)
10519: {0x3CD, LANG_ARABIC, SUBLANG_ARABIC_BAHRAIN}, // Bahrain
10520: {0x3CE, LANG_ARABIC, SUBLANG_ARABIC_QATAR}, // Qatar
10521: {0x3D0, LANG_MONGOLIAN, SUBLANG_MONGOLIAN_CYRILLIC_MONGOLIA}, // Mongolia
10522: // {0x3D0, LANG_MONGOLIAN, SUBLANG_MONGOLIAN_PRC}, // Mongolia
10523: {0x3D1, LANG_NEPALI, SUBLANG_NEPALI_NEPAL}, // Nepal
10524: {-1, 0, 0},
10525: };
10526:
1.1.1.14 root 10527: inline void msdos_int_21h_38h()
10528: {
10529: switch(REG8(AL)) {
10530: case 0x00:
1.1.1.19 root 10531: REG16(BX) = get_country_info((country_info_t *)(mem + SREG_BASE(DS) + REG16(DX)));
1.1.1.14 root 10532: break;
10533: default:
1.1.1.42 root 10534: for(int i = 0;; i++) {
10535: if(country_table[i].code == (REG8(AL) != 0xff ? REG8(AL) : REG16(BX))) {
10536: REG16(BX) = get_country_info((country_info_t *)(mem + SREG_BASE(DS) + REG16(DX)), country_table[i].usPrimaryLanguage, country_table[i].usSubLanguage);
10537: break;
10538: } else if(country_table[i].code == -1) {
10539: // 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));
10540: // REG16(AX) = 2;
10541: // m_CF = 1;
1.1.1.48 root 10542: // get current coutry info
1.1.1.42 root 10543: REG16(BX) = get_country_info((country_info_t *)(mem + SREG_BASE(DS) + REG16(DX)));
10544: break;
10545: }
10546: }
1.1.1.14 root 10547: break;
10548: }
10549: }
10550:
1.1 root 10551: inline void msdos_int_21h_39h(int lfn)
10552: {
1.1.1.3 root 10553: if(_mkdir(msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn))) {
1.1 root 10554: REG16(AX) = errno;
1.1.1.3 root 10555: m_CF = 1;
1.1 root 10556: }
10557: }
10558:
10559: inline void msdos_int_21h_3ah(int lfn)
10560: {
1.1.1.3 root 10561: if(_rmdir(msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn))) {
1.1 root 10562: REG16(AX) = errno;
1.1.1.3 root 10563: m_CF = 1;
1.1 root 10564: }
10565: }
10566:
10567: inline void msdos_int_21h_3bh(int lfn)
10568: {
1.1.1.45 root 10569: const char *path = msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn);
1.1.1.44 root 10570:
10571: if(_chdir(path)) {
1.1.1.17 root 10572: REG16(AX) = 3; // must be 3 (path not found)
1.1.1.3 root 10573: m_CF = 1;
1.1.1.44 root 10574: } else {
10575: int drv = _getdrive() - 1;
10576: if(path[1] == ':') {
10577: if(path[0] >= 'A' && path[0] <= 'Z') {
10578: drv = path[0] - 'A';
10579: } else if(path[0] >= 'a' && path[0] <= 'z') {
10580: drv = path[0] - 'a';
10581: }
10582: }
10583: msdos_cds_update(drv, path);
1.1 root 10584: }
10585: }
10586:
10587: inline void msdos_int_21h_3ch()
10588: {
1.1.1.45 root 10589: const char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 10590: int attr = GetFileAttributes(path);
1.1.1.37 root 10591: int fd = -1;
10592: int sio_port = 0;
10593: int lpt_port = 0;
1.1 root 10594:
1.1.1.45 root 10595: if(msdos_is_device_path(path)) {
10596: fd = msdos_open_device(path, _O_WRONLY | _O_BINARY, &sio_port, &lpt_port);
1.1 root 10597: } else {
10598: fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
10599: }
10600: if(fd != -1) {
10601: if(attr == -1) {
10602: attr = msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY;
10603: }
10604: SetFileAttributes(path, attr);
10605: REG16(AX) = fd;
1.1.1.45 root 10606: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_device_info(path), current_psp, sio_port, lpt_port);
1.1.1.20 root 10607: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 10608: } else {
10609: REG16(AX) = errno;
1.1.1.3 root 10610: m_CF = 1;
1.1 root 10611: }
10612: }
10613:
10614: inline void msdos_int_21h_3dh()
10615: {
1.1.1.45 root 10616: const char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 10617: int mode = REG8(AL) & 0x03;
1.1.1.37 root 10618: int fd = -1;
10619: int sio_port = 0;
10620: int lpt_port = 0;
1.1 root 10621:
10622: if(mode < 0x03) {
1.1.1.45 root 10623: if(msdos_is_device_path(path)) {
10624: fd = msdos_open_device(path, file_mode[mode].mode, &sio_port, &lpt_port);
1.1.1.11 root 10625: } else {
1.1.1.13 root 10626: fd = msdos_open(path, file_mode[mode].mode);
1.1.1.11 root 10627: }
1.1 root 10628: if(fd != -1) {
10629: REG16(AX) = fd;
1.1.1.45 root 10630: msdos_file_handler_open(fd, path, _isatty(fd), mode, msdos_device_info(path), current_psp, sio_port, lpt_port);
1.1.1.20 root 10631: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 10632: } else {
10633: REG16(AX) = errno;
1.1.1.3 root 10634: m_CF = 1;
1.1 root 10635: }
10636: } else {
10637: REG16(AX) = 0x0c;
1.1.1.3 root 10638: m_CF = 1;
1.1 root 10639: }
10640: }
10641:
10642: inline void msdos_int_21h_3eh()
10643: {
10644: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 10645: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 10646:
1.1.1.20 root 10647: if(fd < process->max_files && file_handler[fd].valid) {
10648: _close(fd);
10649: msdos_file_handler_close(fd);
10650: msdos_psp_set_file_table(REG16(BX), 0x0ff, current_psp);
1.1 root 10651: } else {
10652: REG16(AX) = 0x06;
1.1.1.3 root 10653: m_CF = 1;
1.1 root 10654: }
10655: }
10656:
1.1.1.35 root 10657: DWORD WINAPI msdos_int_21h_3fh_thread(LPVOID)
10658: {
10659: UINT8 *buf = mem + SREG_BASE(DS) + REG16(DX);
10660: int max = REG16(CX);
10661: int p = 0;
10662:
10663: while(max > p) {
10664: int chr = msdos_getch();
10665:
10666: if((ctrl_break_checking && ctrl_break_pressed) || ctrl_c_pressed) {
10667: p = 0;
10668: buf[p++] = 0x0d;
10669: if(max > p) {
10670: buf[p++] = 0x0a;
10671: }
10672: msdos_putch(0x03);
10673: msdos_putch(0x0d);
10674: msdos_putch(0x0a);
10675: break;
10676: } else if(ctrl_break_pressed) {
10677: // skip this byte
10678: } else if(chr == 0x00) {
10679: // skip 2nd byte
10680: msdos_getch();
10681: } else if(chr == 0x0d) {
10682: // carriage return
10683: buf[p++] = 0x0d;
10684: if(max > p) {
10685: buf[p++] = 0x0a;
10686: }
10687: msdos_putch('\n');
10688: break;
10689: } else if(chr == 0x08) {
10690: // back space
10691: if(p > 0) {
10692: p--;
10693: if(msdos_ctrl_code_check(buf[p])) {
10694: msdos_putch(0x08);
10695: msdos_putch(0x08);
10696: msdos_putch(0x20);
10697: msdos_putch(0x20);
10698: msdos_putch(0x08);
10699: msdos_putch(0x08);
1.1.1.36 root 10700: } else if(p > 0 && msdos_kanji_2nd_byte_check(buf, p)) {
10701: p--;
10702: msdos_putch(0x08);
10703: msdos_putch(0x08);
10704: msdos_putch(0x20);
10705: msdos_putch(0x20);
10706: msdos_putch(0x08);
10707: msdos_putch(0x08);
1.1.1.35 root 10708: } else {
10709: msdos_putch(0x08);
10710: msdos_putch(0x20);
10711: msdos_putch(0x08);
10712: }
10713: }
10714: } else if(chr == 0x1b) {
10715: // escape
10716: while(p > 0) {
10717: p--;
10718: if(msdos_ctrl_code_check(buf[p])) {
10719: msdos_putch(0x08);
10720: msdos_putch(0x08);
10721: msdos_putch(0x20);
10722: msdos_putch(0x20);
10723: msdos_putch(0x08);
10724: msdos_putch(0x08);
10725: } else {
10726: msdos_putch(0x08);
10727: msdos_putch(0x20);
10728: msdos_putch(0x08);
10729: }
10730: }
10731: } else {
10732: buf[p++] = chr;
10733: msdos_putch(chr);
10734: }
10735: }
10736: REG16(AX) = p;
10737:
10738: #ifdef USE_SERVICE_THREAD
10739: service_exit = true;
10740: #endif
10741: return(0);
10742: }
10743:
1.1 root 10744: inline void msdos_int_21h_3fh()
10745: {
10746: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 10747: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 10748:
1.1.1.20 root 10749: if(fd < process->max_files && file_handler[fd].valid) {
10750: if(file_mode[file_handler[fd].mode].in) {
10751: if(file_handler[fd].atty) {
1.1 root 10752: // BX is stdin or is redirected to stdin
1.1.1.35 root 10753: if(REG16(CX) != 0) {
10754: #ifdef USE_SERVICE_THREAD
1.1.1.51 root 10755: if(!in_service && !in_service_29h &&
10756: *(UINT16 *)(mem + 4 * 0x29 + 0) == 0x29 &&
1.1.1.50 root 10757: *(UINT16 *)(mem + 4 * 0x29 + 2) == (IRET_TOP >> 4)) {
10758: // msdos_putch() will be used in this service
10759: // if int 29h is hooked, run this service in main thread to call int 29h
10760: start_service_loop(msdos_int_21h_3fh_thread);
10761: } else {
10762: #endif
10763: msdos_int_21h_3fh_thread(NULL);
10764: REQUEST_HARDWRE_UPDATE();
10765: #ifdef USE_SERVICE_THREAD
10766: }
1.1.1.35 root 10767: #endif
10768: } else {
10769: REG16(AX) = 0;
1.1 root 10770: }
10771: } else {
1.1.1.37 root 10772: REG16(AX) = msdos_read(fd, mem + SREG_BASE(DS) + REG16(DX), REG16(CX));
1.1 root 10773: }
10774: } else {
10775: REG16(AX) = 0x05;
1.1.1.3 root 10776: m_CF = 1;
1.1 root 10777: }
10778: } else {
10779: REG16(AX) = 0x06;
1.1.1.3 root 10780: m_CF = 1;
1.1 root 10781: }
10782: }
10783:
10784: inline void msdos_int_21h_40h()
10785: {
10786: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 10787: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 10788:
1.1.1.20 root 10789: if(fd < process->max_files && file_handler[fd].valid) {
10790: if(file_mode[file_handler[fd].mode].out) {
1.1 root 10791: if(REG16(CX)) {
1.1.1.20 root 10792: if(file_handler[fd].atty) {
1.1 root 10793: // BX is stdout/stderr or is redirected to stdout
10794: for(int i = 0; i < REG16(CX); i++) {
1.1.1.3 root 10795: msdos_putch(mem[SREG_BASE(DS) + REG16(DX) + i]);
1.1 root 10796: }
10797: REG16(AX) = REG16(CX);
10798: } else {
1.1.1.20 root 10799: REG16(AX) = msdos_write(fd, mem + SREG_BASE(DS) + REG16(DX), REG16(CX));
1.1 root 10800: }
10801: } else {
1.1.1.20 root 10802: UINT32 pos = _tell(fd);
10803: _lseek(fd, 0, SEEK_END);
10804: UINT32 size = _tell(fd);
1.1.1.12 root 10805: if(pos < size) {
1.1.1.20 root 10806: _lseek(fd, pos, SEEK_SET);
10807: SetEndOfFile((HANDLE)_get_osfhandle(fd));
1.1.1.12 root 10808: } else {
10809: for(UINT32 i = size; i < pos; i++) {
10810: UINT8 tmp = 0;
1.1.1.23 root 10811: msdos_write(fd, &tmp, 1);
1.1.1.12 root 10812: }
1.1.1.20 root 10813: _lseek(fd, pos, SEEK_SET);
1.1 root 10814: }
1.1.1.23 root 10815: REG16(AX) = 0;
1.1 root 10816: }
10817: } else {
10818: REG16(AX) = 0x05;
1.1.1.3 root 10819: m_CF = 1;
1.1 root 10820: }
10821: } else {
10822: REG16(AX) = 0x06;
1.1.1.3 root 10823: m_CF = 1;
1.1 root 10824: }
10825: }
10826:
10827: inline void msdos_int_21h_41h(int lfn)
10828: {
1.1.1.3 root 10829: if(remove(msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn))) {
1.1 root 10830: REG16(AX) = errno;
1.1.1.3 root 10831: m_CF = 1;
1.1 root 10832: }
10833: }
10834:
10835: inline void msdos_int_21h_42h()
10836: {
10837: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 10838: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 10839:
1.1.1.20 root 10840: if(fd < process->max_files && file_handler[fd].valid) {
1.1 root 10841: if(REG8(AL) < 0x03) {
1.1.1.35 root 10842: static const int ptrname[] = { SEEK_SET, SEEK_CUR, SEEK_END };
1.1.1.20 root 10843: _lseek(fd, (REG16(CX) << 16) | REG16(DX), ptrname[REG8(AL)]);
10844: UINT32 pos = _tell(fd);
1.1 root 10845: REG16(AX) = pos & 0xffff;
10846: REG16(DX) = (pos >> 16);
10847: } else {
10848: REG16(AX) = 0x01;
1.1.1.3 root 10849: m_CF = 1;
1.1 root 10850: }
10851: } else {
10852: REG16(AX) = 0x06;
1.1.1.3 root 10853: m_CF = 1;
1.1 root 10854: }
10855: }
10856:
10857: inline void msdos_int_21h_43h(int lfn)
10858: {
1.1.1.45 root 10859: const char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn);
1.1 root 10860: int attr;
10861:
1.1.1.14 root 10862: if(!lfn && REG8(AL) > 2) {
10863: REG16(AX) = 0x01;
10864: m_CF = 1;
10865: return;
10866: }
10867: switch(REG8(lfn ? BL : AL)) {
1.1 root 10868: case 0x00:
10869: if((attr = GetFileAttributes(path)) != -1) {
1.1.1.14 root 10870: REG16(CX) = (UINT16)msdos_file_attribute_create((UINT16)attr);
10871: } else {
10872: REG16(AX) = (UINT16)GetLastError();
10873: m_CF = 1;
10874: }
10875: break;
10876: case 0x01:
10877: if(!SetFileAttributes(path, msdos_file_attribute_create(REG16(CX)))) {
10878: REG16(AX) = (UINT16)GetLastError();
10879: m_CF = 1;
10880: }
10881: break;
10882: case 0x02:
10883: {
1.1.1.45 root 10884: DWORD compressed_size = GetCompressedFileSize(path, NULL), file_size = 0;
10885: if(compressed_size != INVALID_FILE_SIZE) {
10886: if(compressed_size != 0) {
10887: HANDLE hFile = CreateFile(path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
10888: if(hFile != INVALID_HANDLE_VALUE) {
10889: file_size = GetFileSize(hFile, NULL);
10890: CloseHandle(hFile);
10891: }
10892: if(compressed_size == file_size) {
10893: DWORD sectors_per_cluster, bytes_per_sector, free_clusters, total_clusters;
10894: // this isn't correct if the file is in the NTFS MFT
10895: if(GetDiskFreeSpace(path, §ors_per_cluster, &bytes_per_sector, &free_clusters, &total_clusters)) {
10896: compressed_size = ((compressed_size - 1) | (sectors_per_cluster * bytes_per_sector - 1)) + 1;
10897: }
1.1.1.14 root 10898: }
10899: }
1.1.1.45 root 10900: REG16(AX) = LOWORD(compressed_size);
10901: REG16(DX) = HIWORD(compressed_size);
1.1.1.14 root 10902: } else {
10903: REG16(AX) = (UINT16)GetLastError();
10904: m_CF = 1;
1.1 root 10905: }
1.1.1.14 root 10906: }
10907: break;
10908: case 0x03:
10909: case 0x05:
10910: case 0x07:
1.1.1.48 root 10911: if(lfn) {
1.1.1.14 root 10912: HANDLE hFile = CreateFile(path, FILE_WRITE_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
10913: if(hFile != INVALID_HANDLE_VALUE) {
10914: FILETIME local, time;
10915: DosDateTimeToFileTime(REG16(DI), /*REG8(BL) == 5 ? 0 : */REG16(CX), &local);
10916: if(REG8(BL) == 7) {
10917: ULARGE_INTEGER hund;
10918: hund.LowPart = local.dwLowDateTime;
10919: hund.HighPart = local.dwHighDateTime;
10920: hund.QuadPart += REG16(SI) * 100000;
10921: local.dwLowDateTime = hund.LowPart;
10922: local.dwHighDateTime = hund.HighPart;
10923: }
10924: LocalFileTimeToFileTime(&local, &time);
10925: if(!SetFileTime(hFile, REG8(BL) == 0x07 ? &time : NULL,
10926: REG8(BL) == 0x05 ? &time : NULL,
10927: REG8(BL) == 0x03 ? &time : NULL)) {
10928: REG16(AX) = (UINT16)GetLastError();
10929: m_CF = 1;
10930: }
10931: CloseHandle(hFile);
10932: } else {
10933: REG16(AX) = (UINT16)GetLastError();
10934: m_CF = 1;
1.1 root 10935: }
1.1.1.48 root 10936: } else {
10937: // 214303 DR DOS 3.41+ internal - Set Access Rights And Password
10938: // 214305 DR DOS 5.0-6.0 internal - Set Extended File Attributes
10939: // 214307 DR DOS 6.0 - Set File Owner
10940: // 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));
10941: REG16(AX) = 0x01;
10942: m_CF = 1;
1.1.1.14 root 10943: }
10944: break;
10945: case 0x04:
10946: case 0x06:
10947: case 0x08:
1.1.1.48 root 10948: if(lfn) {
1.1.1.14 root 10949: WIN32_FILE_ATTRIBUTE_DATA fad;
10950: if(GetFileAttributesEx(path, GetFileExInfoStandard, (LPVOID)&fad)) {
10951: FILETIME *time, local;
10952: time = REG8(BL) == 0x04 ? &fad.ftLastWriteTime :
10953: 0x06 ? &fad.ftLastAccessTime :
10954: &fad.ftCreationTime;
10955: FileTimeToLocalFileTime(time, &local);
10956: FileTimeToDosDateTime(&local, ®16(DI), ®16(CX));
10957: if(REG8(BL) == 0x08) {
10958: ULARGE_INTEGER hund;
10959: hund.LowPart = local.dwLowDateTime;
10960: hund.HighPart = local.dwHighDateTime;
10961: hund.QuadPart /= 100000;
10962: REG16(SI) = (UINT16)(hund.QuadPart % 200);
10963: }
10964: } else {
10965: REG16(AX) = (UINT16)GetLastError();
10966: m_CF = 1;
1.1 root 10967: }
1.1.1.48 root 10968: } else {
10969: // 214304 DR DOS 5.0-6.0 internal - Get Encrypted Password
10970: // 214306 DR DOS 6.0 - Get File Owner
10971: // 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));
10972: REG16(AX) = 0x01;
10973: m_CF = 1;
1.1.1.14 root 10974: }
10975: break;
1.1.1.43 root 10976: case 0xff:
1.1.1.48 root 10977: if(!lfn && REG16(BP) == 0x5053) {
1.1.1.43 root 10978: if(REG8(CL) == 0x39) {
10979: msdos_int_21h_39h(1);
10980: break;
10981: } else if(REG8(CL) == 0x56) {
10982: msdos_int_21h_56h(1);
10983: break;
10984: }
10985: }
1.1.1.14 root 10986: default:
1.1.1.22 root 10987: 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 10988: REG16(AX) = lfn ? 0x7100 : 0x01;
1.1.1.14 root 10989: m_CF = 1;
10990: break;
10991: }
10992: }
10993:
10994: inline void msdos_int_21h_44h()
10995: {
1.1.1.22 root 10996: static UINT16 iteration_count = 0;
10997:
1.1.1.44 root 10998: process_t *process;
10999: int fd, drv;
1.1.1.14 root 11000:
11001: switch(REG8(AL)) {
11002: case 0x00:
11003: case 0x01:
11004: case 0x02:
11005: case 0x03:
11006: case 0x04:
11007: case 0x05:
11008: case 0x06:
11009: case 0x07:
1.1.1.44 root 11010: process = msdos_process_info_get(current_psp);
11011: fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1.1.20 root 11012: if(fd >= process->max_files || !file_handler[fd].valid) {
11013: REG16(AX) = 0x06;
11014: m_CF = 1;
11015: return;
1.1.1.14 root 11016: }
11017: break;
11018: case 0x08:
11019: case 0x09:
1.1.1.44 root 11020: drv = (REG8(BL) ? REG8(BL) : _getdrive()) - 1;
11021: if(!msdos_is_valid_drive(drv)) {
11022: // invalid drive
1.1.1.14 root 11023: REG16(AX) = 0x0f;
11024: m_CF = 1;
11025: return;
1.1 root 11026: }
11027: break;
11028: }
11029: switch(REG8(AL)) {
1.1.1.48 root 11030: case 0x00: // Get Device Information
1.1.1.20 root 11031: REG16(DX) = file_handler[fd].info;
1.1 root 11032: break;
1.1.1.48 root 11033: case 0x01: // Set Device Information
1.1.1.45 root 11034: if(REG8(DH) != 0) {
11035: // REG16(AX) = 0x0d; // data invalid
11036: // m_CF = 1;
11037: file_handler[fd].info = REG16(DX);
11038: } else {
11039: file_handler[fd].info &= 0xff00;
11040: file_handler[fd].info |= REG8(DL);
11041: }
1.1 root 11042: break;
1.1.1.48 root 11043: case 0x02: // Read From Character Device Control Channel
1.1.1.45 root 11044: if(strstr(file_handler[fd].path, "EMMXXXX0") != NULL && support_ems) {
11045: // from DOSBox
11046: switch(*(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX))) {
11047: case 0x00:
11048: if(REG16(CX) >= 6) {
11049: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = 0x0023;
11050: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(DX) + 2) = 0x0000;
11051: REG16(AX) = 6; // number of bytes actually read
11052: } else {
11053: REG16(AX) = 0x0d; // data invalid
11054: m_CF = 1;
11055: }
11056: break;
11057: case 0x01:
11058: if(REG16(CX) >= 6) {
11059: *(UINT16 *)(mem + XMS_TOP + 0x18 + 0x000) = 0x0004; // flags
11060: *(UINT16 *)(mem + XMS_TOP + 0x18 + 0x002) = 0x019d; // size of this structure
11061: *(UINT16 *)(mem + XMS_TOP + 0x18 + 0x004) = 0x0001; // version 1.0
11062: *(UINT32 *)(mem + XMS_TOP + 0x18 + 0x006) = 0x00000000; // reserved
11063: for(int addr = 0, ofs = 0x00a; addr < 0x100000; addr += 0x4000, ofs += 6) {
11064: if(addr >= EMS_TOP && addr < EMS_TOP + EMS_SIZE) {
11065: int page = (addr - EMS_TOP) / 0x4000;
11066: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 0) = 0x03; // frame type: EMS frame in 64k page
11067: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 1) = 0xff; // owner: NONE
11068: *(UINT16 *)(mem + XMS_TOP + 0x18 + ofs + 2) = 0x7fff; // no logical page number
11069: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 4) = page; // physical EMS page number
11070: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 5) = 0x00; // flags: EMS frame
11071: } else {
11072: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 0) = 0x00; // frame type: NONE
11073: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 1) = 0xff; // owner: NONE
11074: *(UINT16 *)(mem + XMS_TOP + 0x18 + ofs + 2) = 0xffff; // non-EMS frame
11075: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 4) = 0xff; // EMS page number (NONE)
11076: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 5) = 0xaa; // flags: direct mapping
11077: }
11078: }
11079: *(UINT8 *)(mem + XMS_TOP + 0x18 + 0x18a) = 0x74; // ??
11080: *(UINT8 *)(mem + XMS_TOP + 0x18 + 0x18b) = 0x00; // no UMB descriptors following
11081: *(UINT8 *)(mem + XMS_TOP + 0x18 + 0x18c) = 0x01; // 1 EMS handle info record
11082: *(UINT16 *)(mem + XMS_TOP + 0x18 + 0x17d) = 0x0000; // system handle
11083: *(UINT32 *)(mem + XMS_TOP + 0x18 + 0x18f) = 0x00000000; // handle name
11084: *(UINT32 *)(mem + XMS_TOP + 0x18 + 0x193) = 0x00000000; // handle name
11085: *(UINT16 *)(mem + XMS_TOP + 0x18 + 0x197) = 0x0001; // system handle
11086: *(UINT32 *)(mem + XMS_TOP + 0x18 + 0x199) = 0x00110000; // physical address
11087:
11088: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = 0x0018;
11089: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2) = XMS_TOP >> 4;;
11090: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 4) = 0x0001; // version 1.0
11091: REG16(AX) = 6; // number of bytes actually read
11092: } else {
11093: REG16(AX) = 0x0d; // data invalid
11094: m_CF = 1;
11095: }
11096: break;
11097: case 0x02:
11098: if(REG16(CX) >= 2) {
11099: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = 0x40; // EMS 4.0
11100: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 1) = 0x00;
11101: REG16(AX) = 2; // number of bytes actually read
11102: } else {
11103: REG16(AX) = 0x0d; // data invalid
11104: m_CF = 1;
11105: }
11106: break;
11107: case 0x03:
11108: if(REG16(CX) >= 4) {
11109: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = MAX_EMS_PAGES * 16; // max size (kb)
11110: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2) = 0x0080; // min size (kb)
11111: REG16(AX) = 4; // number of bytes actually read
11112: } else {
11113: REG16(AX) = 0x0d; // data invalid
11114: m_CF = 1;
11115: }
11116: break;
11117: default:
11118: REG16(AX) = 0x01; // function number invalid
11119: m_CF = 1;
11120: }
11121: } else if(strstr(file_handler[fd].path, "CONFIG$") != NULL) {
11122: if(REG16(CX) >= 5) {
11123: memset(mem + SREG_BASE(DS) + REG16(DX), 0, 5);
11124: REG16(AX) = 5; // number of bytes actually read
11125: } else {
11126: REG16(AX) = 0x0d; // data invalid
11127: m_CF = 1;
11128: }
11129: } else {
11130: // memset(mem + SREG_BASE(DS) + REG16(DX), 0, REG16(CX));
11131: // REG16(AX) = REG16(CX);
11132: REG16(AX) = 0x05; // access denied
11133: m_CF = 1;
11134: }
11135: break;
1.1.1.48 root 11136: case 0x03: // Write To Character Device Control Channel
1.1.1.45 root 11137: // REG16(AX) = 0x05;
11138: // m_CF = 1;
11139: REG16(AX) = 0x00; // success
11140: break;
1.1.1.48 root 11141: case 0x04: // Read From Block Device Control Channel
11142: case 0x05: // Write To Block Device Control Channel
1.1 root 11143: REG16(AX) = 0x05;
1.1.1.3 root 11144: m_CF = 1;
1.1 root 11145: break;
1.1.1.48 root 11146: case 0x06: // Get Input Status
1.1.1.20 root 11147: if(file_mode[file_handler[fd].mode].in) {
11148: if(file_handler[fd].atty) {
1.1.1.14 root 11149: REG8(AL) = msdos_kbhit() ? 0xff : 0x00;
1.1 root 11150: } else {
1.1.1.20 root 11151: REG8(AL) = eof(fd) ? 0x00 : 0xff;
1.1 root 11152: }
1.1.1.14 root 11153: } else {
11154: REG8(AL) = 0x00;
1.1 root 11155: }
11156: break;
1.1.1.48 root 11157: case 0x07: // Get Output Status
1.1.1.20 root 11158: if(file_mode[file_handler[fd].mode].out) {
1.1.1.14 root 11159: REG8(AL) = 0xff;
11160: } else {
11161: REG8(AL) = 0x00;
1.1 root 11162: }
11163: break;
1.1.1.48 root 11164: case 0x08: // Check If Block Device Removable
1.1.1.44 root 11165: if(msdos_is_removable_drive(drv) || msdos_is_cdrom_drive(drv)) {
1.1.1.14 root 11166: // removable drive
11167: REG16(AX) = 0x00;
1.1 root 11168: } else {
1.1.1.14 root 11169: // fixed drive
11170: REG16(AX) = 0x01;
1.1 root 11171: }
11172: break;
1.1.1.48 root 11173: case 0x09: // Check If Block Device Remote
1.1.1.44 root 11174: if(msdos_is_remote_drive(drv)) {
1.1.1.14 root 11175: // remote drive
11176: REG16(DX) = 0x1000;
1.1.1.44 root 11177: } else if(msdos_is_subst_drive(drv)) {
11178: // subst drive
11179: REG16(DX) = 0x8000;
1.1 root 11180: } else {
1.1.1.14 root 11181: // local drive
1.1.1.44 root 11182: REG16(DX) = 0x0000;
1.1 root 11183: }
11184: break;
1.1.1.48 root 11185: case 0x0a: // Check If Handle Is Remote
1.1.1.45 root 11186: if(!(file_handler[fd].info & 0x8000) && msdos_is_remote_drive(msdos_drive_number(file_handler[fd].path))) {
11187: REG16(DX) = 0x8000;
11188: } else {
11189: REG16(DX) = 0x0000;
11190: }
1.1.1.21 root 11191: break;
1.1.1.48 root 11192: case 0x0b: // Set Sharing Retry Count
1.1 root 11193: break;
1.1.1.48 root 11194: case 0x0c: // Generic Character Device Request
1.1.1.22 root 11195: if(REG8(CL) == 0x45) {
11196: // set iteration (retry) count
11197: iteration_count = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX));
11198: } else if(REG8(CL) == 0x4a) {
11199: // select code page
11200: active_code_page = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2);
11201: msdos_nls_tables_update();
1.1.1.44 root 11202: } else if(REG8(CL) == 0x4c) {
11203: // start code-page preparation
11204: int ids[3] = {437, 0, 0}; // 437: US English
11205: int count = 1, offset = 0;
11206: if(active_code_page != 437) {
11207: ids[count++] = active_code_page;
11208: }
11209: if(system_code_page != 437 && system_code_page != active_code_page) {
11210: ids[count++] = system_code_page;
11211: }
11212: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = 0;
11213: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = 2 + 2 * count;
11214: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = count;
11215: for(int i = 0; i < count; i++) {
11216: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = ids[i];
11217: }
11218: } else if(REG8(CL) == 0x4d) {
11219: // end code-page preparation
11220: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = 2;
11221: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2) = active_code_page;
1.1.1.50 root 11222: } else if(REG8(CL) == 0x5f) {
11223: // set display information
11224: if(*(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x02) >= 14) {
11225: int cur_width = *(UINT16 *)(mem + 0x44a) + 0;
11226: int cur_height = *(UINT8 *)(mem + 0x484) + 1;
11227: int new_width = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0e); // character columns
11228: int new_height = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x10); // character rows
11229:
11230: if(cur_width != new_width || cur_height != new_height) {
11231: pcbios_set_console_size(new_width, new_height, true);
11232: }
11233: }
1.1.1.22 root 11234: } else if(REG8(CL) == 0x65) {
11235: // get iteration (retry) count
11236: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX)) = iteration_count;
11237: } else if(REG8(CL) == 0x6a) {
11238: // query selected code page
11239: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = 2; // FIXME
11240: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2) = active_code_page;
11241:
11242: CPINFO info;
11243: GetCPInfo(active_code_page, &info);
11244:
11245: if(info.MaxCharSize != 1) {
11246: for(int i = 0;; i++) {
11247: UINT8 lo = info.LeadByte[2 * i + 0];
11248: UINT8 hi = info.LeadByte[2 * i + 1];
11249:
11250: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 4 + 4 * i + 0) = lo;
11251: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 4 + 4 * i + 2) = hi;
11252: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) + 4;
11253:
11254: if(lo == 0 && hi == 0) {
11255: break;
11256: }
11257: }
11258: }
1.1.1.44 root 11259: } else if(REG8(CL) == 0x6b) {
11260: // query prepare list
11261: int ids[3] = {437, 0, 0}; // 437: US English
11262: int count = 1, offset = 0;
11263: if(active_code_page != 437) {
11264: ids[count++] = active_code_page;
11265: }
11266: if(system_code_page != 437 && system_code_page != active_code_page) {
11267: ids[count++] = system_code_page;
11268: }
11269: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = 2 * (2 + 2 * count);
11270: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = count;
11271: for(int i = 0; i < count; i++) {
11272: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = ids[i];
11273: }
11274: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = count;
11275: for(int i = 0; i < count; i++) {
11276: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = ids[i];
11277: }
1.1.1.22 root 11278: } else if(REG8(CL) == 0x7f) {
1.1.1.44 root 11279: // get display information
1.1.1.50 root 11280: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x00) = 0; // level (0 for DOS 4.x-6.0)
11281: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x01) = 0; // reserved (0)
11282: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x02) = 14; // length of following data (14)
11283: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x04) = 1; // bit 0 set for blink, clear for intensity
11284: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x06) = 1; // mode type (1=text, 2=graphics)
11285: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x07) = 0; // reserved (0)
11286: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x08) = 4; // 4 bits per pixel
11287: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0a) = 8 * (*(UINT16 *)(mem + 0x44a) + 0); // pixel columns
11288: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0c) = 16 * (*(UINT8 *)(mem + 0x484) + 1); // pixel rows
11289: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0e) = *(UINT16 *)(mem + 0x44a) + 0; // character columns
11290: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x10) = *(UINT8 *)(mem + 0x484) + 1; // character rows
1.1.1.22 root 11291: } else {
11292: 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));
11293: REG16(AX) = 0x01; // invalid function
11294: m_CF = 1;
11295: }
11296: break;
1.1.1.48 root 11297: case 0x0d: // Generic Block Device Request
1.1.1.22 root 11298: if(REG8(CL) == 0x40) {
11299: // set device parameters
1.1.1.48 root 11300: // } else if(REG8(CL) == 0x41) {
11301: // // write logical device track
11302: // } else if(REG8(CL) == 0x42) {
11303: // // format and verify logical device track
1.1.1.22 root 11304: } else if(REG8(CL) == 0x46) {
11305: // set volume serial number
1.1.1.48 root 11306: } else if(REG8(CL) == 0x47) {
11307: // set access flag
11308: // } else if(REG8(CL) == 0x48) {
11309: // // set media lock state
11310: // } else if(REG8(CL) == 0x49) {
11311: // // eject media in drive
1.1.1.22 root 11312: } else if(REG8(CL) == 0x4a) {
11313: // lock logical volume
11314: } else if(REG8(CL) == 0x4b) {
11315: // lock physical volume
11316: } else if(REG8(CL) == 0x60) {
11317: // get device parameters
1.1.1.42 root 11318: int drive_num = (REG8(BL) ? REG8(BL) : _getdrive()) - 1;
1.1.1.22 root 11319:
1.1.1.42 root 11320: if(pcbios_update_drive_param(drive_num, 1)) {
11321: drive_param_t *drive_param = &drive_params[drive_num];
11322: DISK_GEOMETRY *geo = &drive_param->geometry;
11323:
11324: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x07; // ???
11325: switch(geo->MediaType) {
11326: case F5_360_512:
11327: case F5_320_512:
11328: case F5_320_1024:
11329: case F5_180_512:
11330: case F5_160_512:
11331: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x00; // 320K/360K disk
11332: break;
11333: case F5_1Pt2_512:
11334: case F3_1Pt2_512:
11335: case F3_1Pt23_1024:
11336: case F5_1Pt23_1024:
11337: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x01; // 1.2M disk
11338: break;
11339: case F3_720_512:
11340: case F3_640_512:
11341: case F5_640_512:
11342: case F5_720_512:
11343: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x02; // 720K disk
11344: break;
11345: case F8_256_128:
11346: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x03; // single-density 8-inch disk
11347: break;
11348: case FixedMedia:
11349: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x05; // fixed disk
11350: break;
11351: case F3_1Pt44_512:
11352: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x07; // (DOS 3.3+) other type of block device, normally 1.44M floppy
11353: break;
11354: case F3_2Pt88_512:
11355: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x09; // (DOS 5+) 2.88M floppy
11356: break;
11357: default:
11358: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x05; // fixed disk
11359: // *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x05; // (DOS 3.3+) other type of block device, normally 1.44M floppy
11360: break;
1.1.1.22 root 11361: }
1.1.1.42 root 11362: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x02) = (geo->MediaType == FixedMedia) ? 0x01 : 0x00;
11363: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x04) = (geo->Cylinders.QuadPart > 0xffff) ? 0xffff : geo->Cylinders.QuadPart;
11364: switch(geo->MediaType) {
11365: case F5_360_512:
11366: case F5_320_512:
11367: case F5_320_1024:
11368: case F5_180_512:
11369: case F5_160_512:
11370: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x06) = 0x01; // 320K/360K disk
11371: break;
11372: default:
11373: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x06) = 0x00; // other drive types
11374: break;
11375: }
11376: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x00) = geo->BytesPerSector;
11377: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x02) = geo->SectorsPerTrack * geo->TracksPerCylinder;
11378: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x03) = 0;
11379: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x05) = 0;
11380: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x06) = 0;
11381: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x08) = 0;
11382: switch(geo->MediaType) {
11383: case F5_320_512: // floppy, double-sided, 8 sectors per track (320K)
11384: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xff;
11385: break;
11386: case F5_160_512: // floppy, single-sided, 8 sectors per track (160K)
11387: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xfe;
11388: break;
11389: case F5_360_512: // floppy, double-sided, 9 sectors per track (360K)
11390: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xfd;
11391: break;
11392: case F5_180_512: // floppy, single-sided, 9 sectors per track (180K)
11393: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xfc;
11394: break;
11395: case F5_1Pt2_512: // floppy, double-sided, 15 sectors per track (1.2M)
11396: case F3_1Pt2_512:
11397: case F3_720_512: // floppy, double-sided, 9 sectors per track (720K,3.5")
11398: case F5_720_512:
11399: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xf9;
11400: break;
11401: case FixedMedia: // hard disk
11402: case RemovableMedia:
11403: case Unknown:
11404: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xf8;
11405: break;
11406: default:
11407: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xf0;
11408: break;
11409: }
11410: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0d) = geo->SectorsPerTrack;
11411: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0f) = 1;
11412: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x11) = 0;
11413: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x15) = geo->TracksPerCylinder * geo->Cylinders.QuadPart;
11414: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x1f) = geo->Cylinders.QuadPart;
11415: // 21h BYTE device type
11416: // 22h WORD device attributes (removable or not, etc)
1.1.1.22 root 11417: } else {
11418: REG16(AX) = 0x0f; // invalid drive
11419: m_CF = 1;
11420: }
1.1.1.48 root 11421: // } else if(REG8(CL) == 0x61) {
11422: // // read logical device track
11423: // } else if(REG8(CL) == 0x62) {
11424: // // verify logical device track
1.1.1.22 root 11425: } else if(REG8(CL) == 0x66) {
11426: // get volume serial number
11427: char path[] = "A:\\";
11428: char volume_label[MAX_PATH];
11429: DWORD serial_number = 0;
11430: char file_system[MAX_PATH];
11431:
11432: path[0] = 'A' + (REG8(BL) ? REG8(BL) : _getdrive()) - 1;
11433:
11434: if(GetVolumeInformation(path, volume_label, MAX_PATH, &serial_number, NULL, NULL, file_system, MAX_PATH)) {
11435: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0;
11436: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x02) = serial_number;
11437: memset(mem + SREG_BASE(DS) + REG16(SI) + 0x06, 0x20, 11);
11438: memcpy(mem + SREG_BASE(DS) + REG16(SI) + 0x06, volume_label, min(strlen(volume_label), 11));
11439: memset(mem + SREG_BASE(DS) + REG16(SI) + 0x11, 0x20, 8);
11440: memcpy(mem + SREG_BASE(DS) + REG16(SI) + 0x11, file_system, min(strlen(file_system), 8));
11441: } else {
11442: REG16(AX) = 0x0f; // invalid drive
11443: m_CF = 1;
11444: }
11445: } else if(REG8(CL) == 0x67) {
11446: // get access flag
11447: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0;
11448: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 1;
11449: } else if(REG8(CL) == 0x68) {
11450: // sense media type
1.1.1.42 root 11451: int drive_num = (REG8(BL) ? REG8(BL) : _getdrive()) - 1;
1.1.1.22 root 11452:
1.1.1.42 root 11453: if(pcbios_update_drive_param(drive_num, 1)) {
11454: drive_param_t *drive_param = &drive_params[drive_num];
11455: DISK_GEOMETRY *geo = &drive_param->geometry;
11456:
11457: switch(geo->MediaType) {
11458: case F3_720_512:
11459: case F5_720_512:
11460: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x01;
11461: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x02;
11462: break;
11463: case F3_1Pt44_512:
11464: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x01;
11465: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x07;
11466: break;
11467: case F3_2Pt88_512:
11468: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x01;
11469: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x09;
11470: break;
11471: default:
11472: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x00;
11473: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x00; // ???
11474: break;
1.1.1.22 root 11475: }
11476: } else {
11477: REG16(AX) = 0x0f; // invalid drive
11478: m_CF = 1;
11479: }
11480: } else if(REG8(CL) == 0x6a) {
11481: // unlock logical volume
11482: } else if(REG8(CL) == 0x6b) {
11483: // unlock physical volume
1.1.1.48 root 11484: // } else if(REG8(CL) == 0x6c) {
11485: // // get lock flag
11486: // } else if(REG8(CL) == 0x6d) {
11487: // // enumerate open files
11488: // } else if(REG8(CL) == 0x6e) {
11489: // // find swap file
11490: // } else if(REG8(CL) == 0x6f) {
11491: // // get drive map information
11492: // } else if(REG8(CL) == 0x70) {
11493: // // get current lock state
11494: // } else if(REG8(CL) == 0x71) {
11495: // // get first cluster
1.1.1.22 root 11496: } else {
11497: 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));
11498: REG16(AX) = 0x01; // invalid function
11499: m_CF = 1;
11500: }
11501: break;
1.1.1.48 root 11502: case 0x0e: // Get Lgical Drive Map
1.1.1.44 root 11503: if(!msdos_is_valid_drive((REG8(BL) ? REG8(BL) : _getdrive()) - 1)) {
11504: REG16(AX) = 0x0f; // invalid drive
11505: m_CF = 1;
11506: } else {
11507: REG8(AL) = 0;
1.1.1.22 root 11508: }
11509: break;
1.1.1.48 root 11510: case 0x0f: // Set Logical Drive Map
1.1.1.44 root 11511: if(!msdos_is_valid_drive((REG8(BL) ? REG8(BL) : _getdrive()) - 1)) {
11512: REG16(AX) = 0x0f; // invalid drive
11513: m_CF = 1;
1.1.1.22 root 11514: }
11515: break;
1.1.1.48 root 11516: case 0x10: // Query Generic IOCTRL Capability (Handle)
1.1.1.22 root 11517: switch(REG8(CL)) {
11518: case 0x45:
11519: case 0x4a:
1.1.1.48 root 11520: case 0x4c:
11521: case 0x4d:
1.1.1.22 root 11522: case 0x65:
11523: case 0x6a:
1.1.1.48 root 11524: case 0x6b:
1.1.1.22 root 11525: case 0x7f:
11526: REG16(AX) = 0x0000; // supported
11527: break;
11528: default:
11529: REG8(AL) = 0x01; // ioctl capability not available
11530: m_CF = 1;
11531: break;
11532: }
11533: break;
1.1.1.48 root 11534: case 0x11: // Query Generic IOCTRL Capability (Drive)
1.1.1.22 root 11535: switch(REG8(CL)) {
11536: case 0x40:
11537: case 0x46:
11538: case 0x4a:
11539: case 0x4b:
11540: case 0x60:
11541: case 0x66:
11542: case 0x67:
11543: case 0x68:
11544: case 0x6a:
11545: case 0x6b:
1.1.1.48 root 11546: if(REG8(CH) == 0x00 || REG8(CH) == 0x01 || REG8(CH) == 0x03 || REG8(CH) == 0x05) {
11547: // CH = 00h Unknown
11548: // CH = 01h COMn:
11549: // CH = 03h CON
11550: // CH = 05h LPTn:
11551: REG16(AX) = 0x0000; // supported
11552: break;
11553: }
1.1.1.22 root 11554: default:
11555: REG8(AL) = 0x01; // ioctl capability not available
11556: m_CF = 1;
11557: break;
11558: }
11559: break;
1.1.1.48 root 11560: case 0x12: // DR DOS 5.0-6.0 - Determine DOS Type
11561: case 0x14: // DR DOS 5.0-6.0 - Set Global Password
11562: case 0x16: // DR DOS 5.0-6.0 - History Buffer, Share, And Hiload Control
11563: case 0x51: // Concurrent DOS v3.2+ - Installation Check
11564: case 0x52: // DR DOS 3.41+ - Determine DOS tTpe/Get DR DOS Version
11565: case 0x54: // DR DOS 3.41+ - Set Global Password
11566: case 0x56: // DR DOS 5.0+ - History Buffer Control
11567: case 0x57: // DR DOS 5.0-6.0 - Share/Hiload Control
11568: case 0x58: // DR DOS 5.0+ internal - Get Pointer To Internal Variable Table
11569: case 0x59: // DR Multiuser DOS 5.0 - API
11570: REG16(AX) = 0x01; // this is not DR-DOS
1.1.1.22 root 11571: m_CF = 1;
11572: break;
1.1 root 11573: default:
1.1.1.22 root 11574: 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 11575: REG16(AX) = 0x01;
1.1.1.3 root 11576: m_CF = 1;
1.1 root 11577: break;
11578: }
11579: }
11580:
11581: inline void msdos_int_21h_45h()
11582: {
11583: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 11584: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 11585:
1.1.1.20 root 11586: if(fd < process->max_files && file_handler[fd].valid) {
11587: int dup_fd = _dup(fd);
11588: if(dup_fd != -1) {
11589: REG16(AX) = dup_fd;
11590: msdos_file_handler_dup(dup_fd, fd, current_psp);
11591: // msdos_psp_set_file_table(dup_fd, fd, current_psp);
11592: msdos_psp_set_file_table(dup_fd, dup_fd, current_psp);
1.1 root 11593: } else {
11594: REG16(AX) = errno;
1.1.1.3 root 11595: m_CF = 1;
1.1 root 11596: }
11597: } else {
11598: REG16(AX) = 0x06;
1.1.1.3 root 11599: m_CF = 1;
1.1 root 11600: }
11601: }
11602:
11603: inline void msdos_int_21h_46h()
11604: {
11605: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 11606: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
11607: int dup_fd = REG16(CX);
11608: int tmp_fd = msdos_psp_get_file_table(REG16(CX), current_psp);
1.1 root 11609:
1.1.1.20 root 11610: if(REG16(BX) == REG16(CX)) {
11611: REG16(AX) = 0x06;
11612: m_CF = 1;
11613: } else if(fd < process->max_files && file_handler[fd].valid && dup_fd < process->max_files) {
11614: if(tmp_fd < process->max_files && file_handler[tmp_fd].valid) {
11615: _close(tmp_fd);
11616: msdos_file_handler_close(tmp_fd);
11617: msdos_psp_set_file_table(dup_fd, 0x0ff, current_psp);
11618: }
11619: if(_dup2(fd, dup_fd) != -1) {
11620: msdos_file_handler_dup(dup_fd, fd, current_psp);
11621: // msdos_psp_set_file_table(dup_fd, fd, current_psp);
11622: msdos_psp_set_file_table(dup_fd, dup_fd, current_psp);
1.1 root 11623: } else {
11624: REG16(AX) = errno;
1.1.1.3 root 11625: m_CF = 1;
1.1 root 11626: }
11627: } else {
11628: REG16(AX) = 0x06;
1.1.1.3 root 11629: m_CF = 1;
1.1 root 11630: }
11631: }
11632:
11633: inline void msdos_int_21h_47h(int lfn)
11634: {
11635: char path[MAX_PATH];
11636:
11637: if(_getdcwd(REG8(DL), path, MAX_PATH) != NULL) {
1.1.1.45 root 11638: if(!lfn) {
11639: strcpy(path, msdos_short_path(path));
11640: }
1.1 root 11641: if(path[1] == ':') {
11642: // the returned path does not include a drive or the initial backslash
1.1.1.45 root 11643: strcpy((char *)(mem + SREG_BASE(DS) + REG16(SI)), path + 3);
1.1 root 11644: } else {
1.1.1.45 root 11645: strcpy((char *)(mem + SREG_BASE(DS) + REG16(SI)), path);
1.1 root 11646: }
11647: } else {
11648: REG16(AX) = errno;
1.1.1.3 root 11649: m_CF = 1;
1.1 root 11650: }
11651: }
11652:
11653: inline void msdos_int_21h_48h()
11654: {
1.1.1.19 root 11655: int seg, umb_linked;
1.1 root 11656:
1.1.1.8 root 11657: if((malloc_strategy & 0xf0) == 0x00) {
1.1.1.19 root 11658: // unlink umb not to allocate memory in umb
11659: if((umb_linked = msdos_mem_get_umb_linked()) != 0) {
11660: msdos_mem_unlink_umb();
11661: }
1.1.1.8 root 11662: if((seg = msdos_mem_alloc(first_mcb, REG16(BX), 0)) != -1) {
11663: REG16(AX) = seg;
11664: } else {
11665: REG16(AX) = 0x08;
11666: REG16(BX) = msdos_mem_get_free(first_mcb, 0);
11667: m_CF = 1;
11668: }
1.1.1.19 root 11669: if(umb_linked != 0) {
11670: msdos_mem_link_umb();
11671: }
1.1.1.8 root 11672: } else if((malloc_strategy & 0xf0) == 0x40) {
11673: if((seg = msdos_mem_alloc(UMB_TOP >> 4, REG16(BX), 0)) != -1) {
11674: REG16(AX) = seg;
11675: } else {
11676: REG16(AX) = 0x08;
11677: REG16(BX) = msdos_mem_get_free(UMB_TOP >> 4, 0);
11678: m_CF = 1;
11679: }
11680: } else if((malloc_strategy & 0xf0) == 0x80) {
11681: if((seg = msdos_mem_alloc(UMB_TOP >> 4, REG16(BX), 0)) != -1) {
11682: REG16(AX) = seg;
11683: } else if((seg = msdos_mem_alloc(first_mcb, REG16(BX), 0)) != -1) {
11684: REG16(AX) = seg;
11685: } else {
11686: REG16(AX) = 0x08;
11687: REG16(BX) = max(msdos_mem_get_free(UMB_TOP >> 4, 0), msdos_mem_get_free(first_mcb, 0));
11688: m_CF = 1;
11689: }
1.1 root 11690: }
11691: }
11692:
11693: inline void msdos_int_21h_49h()
11694: {
1.1.1.14 root 11695: int mcb_seg = SREG(ES) - 1;
11696: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
11697:
11698: if(mcb->mz == 'M' || mcb->mz == 'Z') {
11699: msdos_mem_free(SREG(ES));
11700: } else {
1.1.1.33 root 11701: REG16(AX) = 0x09; // illegal memory block address
1.1.1.14 root 11702: m_CF = 1;
11703: }
1.1 root 11704: }
11705:
11706: inline void msdos_int_21h_4ah()
11707: {
1.1.1.14 root 11708: int mcb_seg = SREG(ES) - 1;
11709: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1 root 11710: int max_paragraphs;
11711:
1.1.1.14 root 11712: if(mcb->mz == 'M' || mcb->mz == 'Z') {
11713: if(msdos_mem_realloc(SREG(ES), REG16(BX), &max_paragraphs)) {
11714: REG16(AX) = 0x08;
11715: REG16(BX) = max_paragraphs > 0x7fff && limit_max_memory ? 0x7fff : max_paragraphs;
11716: m_CF = 1;
11717: }
11718: } else {
1.1.1.33 root 11719: REG16(AX) = 0x09; // illegal memory block address
1.1.1.3 root 11720: m_CF = 1;
1.1 root 11721: }
11722: }
11723:
11724: inline void msdos_int_21h_4bh()
11725: {
1.1.1.3 root 11726: char *command = (char *)(mem + SREG_BASE(DS) + REG16(DX));
11727: param_block_t *param = (param_block_t *)(mem + SREG_BASE(ES) + REG16(BX));
1.1 root 11728:
11729: switch(REG8(AL)) {
11730: case 0x00:
11731: case 0x01:
11732: if(msdos_process_exec(command, param, REG8(AL))) {
11733: REG16(AX) = 0x02;
1.1.1.3 root 11734: m_CF = 1;
1.1 root 11735: }
11736: break;
1.1.1.14 root 11737: case 0x03:
11738: {
11739: int fd;
11740: if((fd = _open(command, _O_RDONLY | _O_BINARY)) == -1) {
11741: REG16(AX) = 0x02;
11742: m_CF = 1;
11743: break;
11744: }
11745: int size = _read(fd, file_buffer, sizeof(file_buffer));
11746: _close(fd);
11747:
11748: UINT16 *overlay = (UINT16 *)param;
11749:
11750: // check exe header
11751: exe_header_t *header = (exe_header_t *)file_buffer;
11752: int header_size = 0;
11753: if(header->mz == 0x4d5a || header->mz == 0x5a4d) {
11754: header_size = header->header_size * 16;
11755: // relocation
11756: int start_seg = overlay[1];
11757: for(int i = 0; i < header->relocations; i++) {
11758: int ofs = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 0);
11759: int seg = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 2);
11760: *(UINT16 *)(file_buffer + header_size + (seg << 4) + ofs) += start_seg;
11761: }
11762: }
11763: memcpy(mem + (overlay[0] << 4), file_buffer + header_size, size - header_size);
11764: }
11765: break;
1.1.1.48 root 11766: case 0x04:
11767: // Load And Execute In Background (European MS-DOS 4.0 only)
11768: // case 0x05:
11769: // // DOS 5+ - Set Execution State
11770: case 0x80:
11771: // DR DOS v3.41 - Run Already-Loaded Kernel File
11772: case 0xf0:
11773: case 0xf1:
11774: // DIET v1.10+
1.1.1.43 root 11775: case 0xfd:
11776: case 0xfe:
11777: // unknown function called in FreeCOM
11778: REG16(AX) = 0x01;
11779: m_CF = 1;
11780: break;
1.1 root 11781: default:
1.1.1.22 root 11782: 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 11783: REG16(AX) = 0x01;
1.1.1.3 root 11784: m_CF = 1;
1.1 root 11785: break;
11786: }
11787: }
11788:
11789: inline void msdos_int_21h_4ch()
11790: {
11791: msdos_process_terminate(current_psp, REG8(AL), 1);
11792: }
11793:
11794: inline void msdos_int_21h_4dh()
11795: {
11796: REG16(AX) = retval;
11797: }
11798:
11799: inline void msdos_int_21h_4eh()
11800: {
11801: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 11802: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
11803: find_t *find = (find_t *)(mem + dta_laddr);
1.1.1.45 root 11804: const char *path = msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 11805: WIN32_FIND_DATA fd;
11806:
1.1.1.14 root 11807: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, LFN_DTA_LADDR);
11808: find->find_magic = FIND_MAGIC;
11809: find->dta_index = dtainfo - dtalist;
1.1 root 11810: strcpy(process->volume_label, msdos_volume_label(path));
1.1.1.14 root 11811: dtainfo->allowable_mask = REG8(CL);
11812: bool label_only = (dtainfo->allowable_mask == 8);
1.1 root 11813:
1.1.1.14 root 11814: if((dtainfo->allowable_mask & 8) && !msdos_match_volume_label(path, msdos_short_volume_label(process->volume_label))) {
11815: dtainfo->allowable_mask &= ~8;
1.1 root 11816: }
1.1.1.14 root 11817: if(!label_only && (dtainfo->find_handle = FindFirstFile(path, &fd)) != INVALID_HANDLE_VALUE) {
11818: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 11819: !msdos_find_file_has_8dot3name(&fd)) {
11820: if(!FindNextFile(dtainfo->find_handle, &fd)) {
11821: FindClose(dtainfo->find_handle);
11822: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 11823: break;
11824: }
11825: }
11826: }
1.1.1.13 root 11827: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 11828: find->attrib = (UINT8)(fd.dwFileAttributes & 0x3f);
11829: msdos_find_file_conv_local_time(&fd);
11830: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->date, &find->time);
11831: find->size = fd.nFileSizeLow;
1.1.1.13 root 11832: strcpy(find->name, msdos_short_name(&fd));
1.1 root 11833: REG16(AX) = 0;
1.1.1.14 root 11834: } else if(dtainfo->allowable_mask & 8) {
1.1 root 11835: find->attrib = 8;
11836: find->size = 0;
11837: strcpy(find->name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 11838: dtainfo->allowable_mask &= ~8;
1.1 root 11839: REG16(AX) = 0;
11840: } else {
11841: REG16(AX) = 0x12; // NOTE: return 0x02 if file path is invalid
1.1.1.3 root 11842: m_CF = 1;
1.1 root 11843: }
11844: }
11845:
11846: inline void msdos_int_21h_4fh()
11847: {
11848: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 11849: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
11850: find_t *find = (find_t *)(mem + dta_laddr);
1.1 root 11851: WIN32_FIND_DATA fd;
11852:
1.1.1.14 root 11853: if(find->find_magic != FIND_MAGIC || find->dta_index >= MAX_DTAINFO) {
11854: REG16(AX) = 0x12;
11855: m_CF = 1;
11856: return;
11857: }
11858: dtainfo_t *dtainfo = &dtalist[find->dta_index];
1.1.1.13 root 11859: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
11860: if(FindNextFile(dtainfo->find_handle, &fd)) {
1.1.1.14 root 11861: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 11862: !msdos_find_file_has_8dot3name(&fd)) {
11863: if(!FindNextFile(dtainfo->find_handle, &fd)) {
11864: FindClose(dtainfo->find_handle);
11865: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 11866: break;
11867: }
11868: }
11869: } else {
1.1.1.13 root 11870: FindClose(dtainfo->find_handle);
11871: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 11872: }
11873: }
1.1.1.13 root 11874: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 11875: find->attrib = (UINT8)(fd.dwFileAttributes & 0x3f);
11876: msdos_find_file_conv_local_time(&fd);
11877: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->date, &find->time);
11878: find->size = fd.nFileSizeLow;
1.1.1.13 root 11879: strcpy(find->name, msdos_short_name(&fd));
1.1 root 11880: REG16(AX) = 0;
1.1.1.14 root 11881: } else if(dtainfo->allowable_mask & 8) {
1.1 root 11882: find->attrib = 8;
11883: find->size = 0;
11884: strcpy(find->name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 11885: dtainfo->allowable_mask &= ~8;
1.1 root 11886: REG16(AX) = 0;
11887: } else {
11888: REG16(AX) = 0x12;
1.1.1.3 root 11889: m_CF = 1;
1.1 root 11890: }
11891: }
11892:
11893: inline void msdos_int_21h_50h()
11894: {
1.1.1.8 root 11895: if(current_psp != REG16(BX)) {
11896: process_t *process = msdos_process_info_get(current_psp);
11897: if(process != NULL) {
11898: process->psp = REG16(BX);
11899: }
11900: current_psp = REG16(BX);
1.1.1.23 root 11901: msdos_sda_update(current_psp);
1.1.1.8 root 11902: }
1.1 root 11903: }
11904:
11905: inline void msdos_int_21h_51h()
11906: {
11907: REG16(BX) = current_psp;
11908: }
11909:
11910: inline void msdos_int_21h_52h()
11911: {
1.1.1.25 root 11912: SREG(ES) = DOS_INFO_TOP >> 4;
1.1.1.3 root 11913: i386_load_segment_descriptor(ES);
1.1.1.25 root 11914: REG16(BX) = offsetof(dos_info_t, first_dpb);
1.1 root 11915: }
11916:
1.1.1.43 root 11917: inline void msdos_int_21h_53h()
11918: {
11919: dpb_t *dpb = (dpb_t *)(mem + SREG_BASE(ES) + REG16(BP));
11920: bpb_t *bpb = (bpb_t *)(mem + SREG_BASE(DS) + REG16(SI));
11921:
11922: dpb->bytes_per_sector = bpb->bytes_per_sector;
11923: dpb->highest_sector_num = bpb->sectors_per_track - 1;
11924: dpb->shift_count = 0;
11925: dpb->reserved_sectors = 0;
11926: dpb->fat_num = bpb->fat_num;
11927: dpb->root_entries = bpb->root_entries;
11928: dpb->first_data_sector = 0;
11929: if(bpb->sectors_per_cluster != 0) {
11930: dpb->highest_cluster_num = (UINT16)(((REG16(CX) == 0x4558 && bpb->total_sectors == 0) ? bpb->ext_total_sectors : bpb->total_sectors) / bpb->sectors_per_cluster + 1);
11931: } else {
11932: dpb->highest_cluster_num = 0;
11933: }
11934: dpb->sectors_per_fat = (REG16(CX) == 0x4558 && bpb->sectors_per_fat == 0) ? bpb->ext_sectors_per_fat : bpb->sectors_per_fat;
11935: dpb->first_dir_sector = 0;
11936: dpb->device_driver_header = 0;
11937: dpb->media_type = bpb->media_type;
11938: dpb->drive_accessed = 0;
11939: dpb->next_dpb_ofs = 0xffff;
11940: dpb->next_dpb_seg = 0xffff;
11941: dpb->first_free_cluster = 0;
11942: dpb->free_clusters = 0xffff;
11943: }
11944:
1.1 root 11945: inline void msdos_int_21h_54h()
11946: {
11947: process_t *process = msdos_process_info_get(current_psp);
11948:
11949: REG8(AL) = process->verify;
11950: }
11951:
11952: inline void msdos_int_21h_55h()
11953: {
11954: psp_t *psp = (psp_t *)(mem + (REG16(DX) << 4));
11955:
11956: memcpy(mem + (REG16(DX) << 4), mem + (current_psp << 4), sizeof(psp_t));
11957: psp->int_22h.dw = *(UINT32 *)(mem + 4 * 0x22);
11958: psp->int_23h.dw = *(UINT32 *)(mem + 4 * 0x23);
11959: psp->int_24h.dw = *(UINT32 *)(mem + 4 * 0x24);
11960: psp->parent_psp = current_psp;
11961: }
11962:
11963: inline void msdos_int_21h_56h(int lfn)
11964: {
11965: char src[MAX_PATH], dst[MAX_PATH];
1.1.1.3 root 11966: strcpy(src, msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn));
11967: strcpy(dst, msdos_trimmed_path((char *)(mem + SREG_BASE(ES) + REG16(DI)), lfn));
1.1 root 11968:
11969: if(rename(src, dst)) {
11970: REG16(AX) = errno;
1.1.1.3 root 11971: m_CF = 1;
1.1 root 11972: }
11973: }
11974:
11975: inline void msdos_int_21h_57h()
11976: {
11977: FILETIME time, local;
1.1.1.14 root 11978: FILETIME *ctime, *atime, *mtime;
1.1.1.21 root 11979: HANDLE hHandle;
1.1 root 11980:
1.1.1.21 root 11981: if((hHandle = (HANDLE)_get_osfhandle(REG16(BX))) == INVALID_HANDLE_VALUE) {
1.1.1.14 root 11982: REG16(AX) = (UINT16)GetLastError();
11983: m_CF = 1;
11984: return;
11985: }
11986: ctime = atime = mtime = NULL;
11987:
1.1 root 11988: switch(REG8(AL)) {
11989: case 0x00:
1.1.1.6 root 11990: case 0x01:
1.1.1.14 root 11991: mtime = &time;
1.1.1.6 root 11992: break;
11993: case 0x04:
11994: case 0x05:
1.1.1.14 root 11995: atime = &time;
1.1 root 11996: break;
1.1.1.6 root 11997: case 0x06:
11998: case 0x07:
1.1.1.14 root 11999: ctime = &time;
12000: break;
12001: default:
1.1.1.22 root 12002: 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 12003: REG16(AX) = 0x01;
12004: m_CF = 1;
12005: return;
12006: }
12007: if(REG8(AL) & 1) {
1.1 root 12008: DosDateTimeToFileTime(REG16(DX), REG16(CX), &local);
12009: LocalFileTimeToFileTime(&local, &time);
1.1.1.21 root 12010: if(!SetFileTime(hHandle, ctime, atime, mtime)) {
1.1 root 12011: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 12012: m_CF = 1;
1.1 root 12013: }
1.1.1.14 root 12014: } else {
1.1.1.21 root 12015: if(!GetFileTime(hHandle, ctime, atime, mtime)) {
1.1.1.14 root 12016: // assume a device and use the current time
12017: GetSystemTimeAsFileTime(&time);
12018: }
12019: FileTimeToLocalFileTime(&time, &local);
12020: FileTimeToDosDateTime(&local, ®16(DX), ®16(CX));
1.1 root 12021: }
12022: }
12023:
12024: inline void msdos_int_21h_58h()
12025: {
12026: switch(REG8(AL)) {
12027: case 0x00:
1.1.1.7 root 12028: REG16(AX) = malloc_strategy;
12029: break;
12030: case 0x01:
1.1.1.24 root 12031: // switch(REG16(BX)) {
12032: switch(REG8(BL)) {
1.1.1.7 root 12033: case 0x0000:
12034: case 0x0001:
12035: case 0x0002:
12036: case 0x0040:
12037: case 0x0041:
12038: case 0x0042:
12039: case 0x0080:
12040: case 0x0081:
12041: case 0x0082:
12042: malloc_strategy = REG16(BX);
1.1.1.23 root 12043: msdos_sda_update(current_psp);
1.1.1.7 root 12044: break;
12045: default:
1.1.1.22 root 12046: 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 12047: REG16(AX) = 0x01;
12048: m_CF = 1;
12049: break;
12050: }
12051: break;
12052: case 0x02:
1.1.1.19 root 12053: REG8(AL) = msdos_mem_get_umb_linked() ? 1 : 0;
1.1.1.7 root 12054: break;
12055: case 0x03:
1.1.1.24 root 12056: // switch(REG16(BX)) {
12057: switch(REG8(BL)) {
1.1.1.7 root 12058: case 0x0000:
1.1.1.19 root 12059: msdos_mem_unlink_umb();
12060: break;
1.1.1.7 root 12061: case 0x0001:
1.1.1.19 root 12062: msdos_mem_link_umb();
1.1.1.7 root 12063: break;
12064: default:
1.1.1.22 root 12065: 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 12066: REG16(AX) = 0x01;
12067: m_CF = 1;
12068: break;
12069: }
1.1 root 12070: break;
12071: default:
1.1.1.22 root 12072: 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 12073: REG16(AX) = 0x01;
1.1.1.3 root 12074: m_CF = 1;
1.1 root 12075: break;
12076: }
12077: }
12078:
12079: inline void msdos_int_21h_59h()
12080: {
1.1.1.47 root 12081: if(REG16(BX) == 0x0000) {
12082: sda_t *sda = (sda_t *)(mem + SDA_TOP);
12083:
12084: REG16(AX) = sda->extended_error_code;
12085: REG8(BH) = sda->error_class;
12086: REG8(BL) = sda->suggested_action;
12087: REG8(CH) = sda->locus_of_last_error;
12088: // XXX: GW-BASIC 3.23 invites the registers contents of CL, DX, SI, DI, DS, and ES are not destroyed
12089: if(sda->int21h_5d0ah_called != 0) {
12090: REG8(CL) = sda->int21h_5d0ah_cl;
12091: REG16(DX) = sda->int21h_5d0ah_dx;
12092: // REG16(SI) = sda->int21h_5d0ah_si;
12093: REG16(DI) = sda->last_error_pointer.w.l;
12094: // SREG(DS) = sda->int21h_5d0ah_ds;
12095: // i386_load_segment_descriptor(DS);
12096: SREG(ES) = sda->last_error_pointer.w.h;
12097: i386_load_segment_descriptor(ES);
12098: }
12099: sda->int21h_5d0ah_called = 0;
12100: // } else if(REG16(BX) == 0x0001) {
12101: // // European MS-DOS 4.0 - Get Hard Error Information
12102: } else {
12103: 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));
12104: REG16(AX) = 0x01;
12105: m_CF = 1;
12106: }
1.1 root 12107: }
12108:
12109: inline void msdos_int_21h_5ah()
12110: {
1.1.1.3 root 12111: char *path = (char *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 12112: int len = strlen(path);
12113: char tmp[MAX_PATH];
12114:
12115: if(GetTempFileName(path, "TMP", 0, tmp)) {
12116: int fd = _open(tmp, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
12117:
12118: SetFileAttributes(tmp, msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY);
12119: REG16(AX) = fd;
12120: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_drive_number(path), current_psp);
1.1.1.20 root 12121: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 12122:
12123: strcpy(path, tmp);
12124: int dx = REG16(DX) + len;
1.1.1.3 root 12125: int ds = SREG(DS);
1.1 root 12126: while(dx > 0xffff) {
12127: dx -= 0x10;
12128: ds++;
12129: }
12130: REG16(DX) = dx;
1.1.1.3 root 12131: SREG(DS) = ds;
12132: i386_load_segment_descriptor(DS);
1.1 root 12133: } else {
12134: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 12135: m_CF = 1;
1.1 root 12136: }
12137: }
12138:
12139: inline void msdos_int_21h_5bh()
12140: {
1.1.1.45 root 12141: const char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 12142:
1.1.1.45 root 12143: // if(msdos_is_existing_file(path)) {
12144: if(msdos_is_device_path(path) || msdos_is_existing_file(path)) {
1.1 root 12145: // already exists
12146: REG16(AX) = 0x50;
1.1.1.3 root 12147: m_CF = 1;
1.1 root 12148: } else {
12149: int fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
12150:
12151: if(fd != -1) {
12152: SetFileAttributes(path, msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY);
12153: REG16(AX) = fd;
12154: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_drive_number(path), current_psp);
1.1.1.20 root 12155: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 12156: } else {
12157: REG16(AX) = errno;
1.1.1.3 root 12158: m_CF = 1;
1.1 root 12159: }
12160: }
12161: }
12162:
12163: inline void msdos_int_21h_5ch()
12164: {
12165: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 12166: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 12167:
1.1.1.20 root 12168: if(fd < process->max_files && file_handler[fd].valid) {
1.1 root 12169: if(REG8(AL) == 0 || REG8(AL) == 1) {
1.1.1.35 root 12170: static const int modes[2] = {_LK_LOCK, _LK_UNLCK};
1.1.1.20 root 12171: UINT32 pos = _tell(fd);
12172: _lseek(fd, (REG16(CX) << 16) | REG16(DX), SEEK_SET);
12173: if(_locking(fd, modes[REG8(AL)], (REG16(SI) << 16) | REG16(DI))) {
1.1 root 12174: REG16(AX) = errno;
1.1.1.3 root 12175: m_CF = 1;
1.1 root 12176: }
1.1.1.20 root 12177: _lseek(fd, pos, SEEK_SET);
1.1.1.26 root 12178:
1.1 root 12179: // some seconds may be passed in _locking()
1.1.1.35 root 12180: REQUEST_HARDWRE_UPDATE();
1.1 root 12181: } else {
12182: REG16(AX) = 0x01;
1.1.1.3 root 12183: m_CF = 1;
1.1 root 12184: }
12185: } else {
12186: REG16(AX) = 0x06;
1.1.1.3 root 12187: m_CF = 1;
1.1 root 12188: }
12189: }
12190:
1.1.1.22 root 12191: inline void msdos_int_21h_5dh()
12192: {
12193: switch(REG8(AL)) {
1.1.1.45 root 12194: case 0x00:
12195: if(*(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x12) == 0x0000) {
12196: // current system
12197: static bool reenter = false;
12198: if(!reenter) {
12199: UINT32 offset = SREG_BASE(DS) + REG16(DX);
12200: REG16(AX) = *(UINT16 *)(mem + offset + 0x00);
12201: REG16(BX) = *(UINT16 *)(mem + offset + 0x02);
12202: REG16(CX) = *(UINT16 *)(mem + offset + 0x04);
12203: REG16(DX) = *(UINT16 *)(mem + offset + 0x06);
12204: REG16(SI) = *(UINT16 *)(mem + offset + 0x08);
12205: REG16(DI) = *(UINT16 *)(mem + offset + 0x0a);
12206: SREG(DS) = *(UINT16 *)(mem + offset + 0x0c);
12207: SREG(ES) = *(UINT16 *)(mem + offset + 0x0e);
12208: i386_load_segment_descriptor(DS);
12209: i386_load_segment_descriptor(ES);
12210: reenter = true;
12211: try {
12212: msdos_syscall(0x21);
12213: } catch(...) {
12214: }
12215: reenter = false;
12216: }
12217: } else {
12218: REG16(AX) = 0x49; // network software not installed
12219: m_CF = 1;
12220: }
12221: break;
1.1.1.22 root 12222: case 0x06: // get address of dos swappable data area
1.1.1.23 root 12223: SREG(DS) = (SDA_TOP >> 4);
12224: i386_load_segment_descriptor(DS);
12225: REG16(SI) = offsetof(sda_t, crit_error_flag);
12226: REG16(CX) = 0x80;
12227: REG16(DX) = 0x1a;
12228: break;
1.1.1.45 root 12229: case 0x07: // get redirected printer mode
12230: case 0x08: // set redirected printer mode
12231: case 0x09: // flush redirected printer output
12232: REG16(AX) = 0x49; // network software not installed
12233: m_CF = 1;
12234: break;
1.1.1.43 root 12235: case 0x0a: // set extended error information
12236: {
12237: sda_t *sda = (sda_t *)(mem + SDA_TOP);
1.1.1.47 root 12238: sda->int21h_5d0ah_called = 1;
1.1.1.43 root 12239: sda->extended_error_code = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x00); // AX
1.1.1.47 root 12240: // XXX: which one is correct ???
12241: #if 1
12242: // Ralf Brown's Interrupt List and DR-DOS System and Programmer's Guide
1.1.1.43 root 12243: sda->suggested_action = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x02); // BL
12244: sda->error_class = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x03); // BH
1.1.1.47 root 12245: sda->int21h_5d0ah_cl = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x04); // CL
1.1.1.43 root 12246: sda->locus_of_last_error = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x05); // CH
1.1.1.47 root 12247: #else
12248: // PC DOS 7 Technical Update
12249: sda->error_class = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x02); // BH
12250: sda->suggested_action = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x03); // BL
12251: sda->locus_of_last_error = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x04); // CH
12252: sda->int21h_5d0ah_cl = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x05); // CL
12253: #endif
12254: sda->int21h_5d0ah_dx = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x06); // DX
12255: // sda->int21h_5d0ah_si = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x08); // SI
1.1.1.43 root 12256: sda->last_error_pointer.w.l = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0a); // DI
1.1.1.47 root 12257: // sda->int21h_5d0ah_ds = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0c); // DS
1.1.1.43 root 12258: sda->last_error_pointer.w.h = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0e); // ES
12259: }
12260: break;
1.1.1.23 root 12261: case 0x0b: // get dos swappable data areas
1.1.1.22 root 12262: REG16(AX) = 0x01;
12263: m_CF = 1;
12264: break;
12265: default:
12266: 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));
12267: REG16(AX) = 0x01;
12268: m_CF = 1;
12269: break;
12270: }
12271: }
12272:
1.1.1.42 root 12273: inline void msdos_int_21h_5eh()
12274: {
12275: switch(REG8(AL)) {
12276: case 0x00:
12277: {
12278: char name[256] = {0};
12279: DWORD dwSize = 256;
12280:
12281: if(GetComputerName(name, &dwSize)) {
12282: char *dest = (char *)(mem + SREG_BASE(DS) + REG16(DX));
12283: for(int i = 0; i < 15; i++) {
12284: dest[i] = (i < strlen(name)) ? name[i] : ' ';
12285: }
12286: dest[15] = '\0';
12287: REG8(CH) = 0x01; // nonzero valid
12288: REG8(CL) = 0x01; // NetBIOS number for machine name ???
12289: } else {
12290: REG16(AX) = 0x01;
12291: m_CF = 1;
12292: }
12293: }
12294: break;
12295: default:
1.1.1.45 root 12296: // 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));
12297: // REG16(AX) = 0x01;
12298: REG16(AX) = 0x49; // network software not installed
1.1.1.42 root 12299: m_CF = 1;
12300: break;
12301: }
12302: }
12303:
1.1.1.30 root 12304: inline void msdos_int_21h_5fh()
12305: {
12306: switch(REG8(AL)) {
1.1.1.42 root 12307: case 0x05:
1.1.1.44 root 12308: REG16(BP) = 0;
12309: for(int i = 0; i < 26; i++) {
12310: if(msdos_is_remote_drive(i)) {
12311: REG16(BP)++;
1.1.1.42 root 12312: }
12313: }
1.1.1.30 root 12314: case 0x02:
1.1.1.44 root 12315: for(int i = 0, index = 0; i < 26; i++) {
12316: if(msdos_is_remote_drive(i)) {
12317: if(index == REG16(BX)) {
12318: char volume[] = "A:";
1.1.1.30 root 12319: volume[0] = 'A' + i;
1.1.1.44 root 12320: DWORD dwSize = 128;
12321: strcpy((char *)(mem + SREG_BASE(DS) + REG16(SI)), volume);
12322: WNetGetConnection(volume, (char *)(mem + SREG_BASE(ES) + REG16(DI)), &dwSize);
12323: REG8(BH) = 0x00; // valid
12324: REG8(BL) = 0x04; // disk drive
12325: REG16(CX) = 0x00; // LANtastic
12326: return;
1.1.1.30 root 12327: }
1.1.1.44 root 12328: index++;
1.1.1.30 root 12329: }
12330: }
12331: REG16(AX) = 0x12; // no more files
12332: m_CF = 1;
12333: break;
1.1.1.44 root 12334: case 0x07:
12335: if(msdos_is_valid_drive(REG8(DL))) {
12336: msdos_cds_update(REG8(DL));
12337: } else {
12338: REG16(AX) = 0x0f; // invalid drive
12339: m_CF = 1;
12340: }
12341: break;
12342: case 0x08:
12343: if(msdos_is_valid_drive(REG8(DL))) {
12344: cds_t *cds = (cds_t *)(mem + CDS_TOP + 88 * REG8(DL));
12345: cds->drive_attrib = 0x0000;
12346: } else {
12347: REG16(AX) = 0x0f; // invalid drive
12348: m_CF = 1;
12349: }
12350: break;
1.1.1.30 root 12351: default:
1.1.1.45 root 12352: // 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));
12353: // REG16(AX) = 0x01;
12354: REG16(AX) = 0x49; // network software not installed
1.1.1.30 root 12355: m_CF = 1;
12356: break;
12357: }
12358: }
12359:
1.1 root 12360: inline void msdos_int_21h_60h(int lfn)
12361: {
1.1.1.45 root 12362: char full[MAX_PATH];
12363: const char *path = NULL;
1.1.1.14 root 12364:
1.1 root 12365: if(lfn) {
1.1.1.14 root 12366: char *name;
12367: *full = '\0';
1.1.1.3 root 12368: GetFullPathName((char *)(mem + SREG_BASE(DS) + REG16(SI)), MAX_PATH, full, &name);
1.1.1.14 root 12369: switch(REG8(CL)) {
12370: case 1:
12371: GetShortPathName(full, full, MAX_PATH);
12372: my_strupr(full);
12373: break;
12374: case 2:
12375: GetLongPathName(full, full, MAX_PATH);
12376: break;
12377: }
12378: path = full;
12379: } else {
12380: path = msdos_short_full_path((char *)(mem + SREG_BASE(DS) + REG16(SI)));
12381: }
12382: if(*path != '\0') {
12383: strcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), path);
1.1 root 12384: } else {
1.1.1.14 root 12385: REG16(AX) = (UINT16)GetLastError();
12386: m_CF = 1;
1.1 root 12387: }
12388: }
12389:
12390: inline void msdos_int_21h_61h()
12391: {
12392: REG8(AL) = 0;
12393: }
12394:
12395: inline void msdos_int_21h_62h()
12396: {
12397: REG16(BX) = current_psp;
12398: }
12399:
12400: inline void msdos_int_21h_63h()
12401: {
12402: switch(REG8(AL)) {
12403: case 0x00:
1.1.1.3 root 12404: SREG(DS) = (DBCS_TABLE >> 4);
12405: i386_load_segment_descriptor(DS);
1.1 root 12406: REG16(SI) = (DBCS_TABLE & 0x0f);
12407: REG8(AL) = 0x00;
12408: break;
1.1.1.22 root 12409: case 0x01: // set korean input mode
12410: case 0x02: // get korean input mode
12411: REG8(AL) = 0xff; // not supported
12412: break;
1.1 root 12413: default:
1.1.1.22 root 12414: 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 12415: REG16(AX) = 0x01;
1.1.1.3 root 12416: m_CF = 1;
1.1 root 12417: break;
12418: }
12419: }
12420:
1.1.1.25 root 12421: UINT16 get_extended_country_info(UINT8 func)
1.1 root 12422: {
1.1.1.25 root 12423: switch(func) {
1.1.1.17 root 12424: case 0x01:
12425: if(REG16(CX) >= 5) {
1.1.1.19 root 12426: UINT8 data[1 + 2 + 2 + 2 + sizeof(country_info_t)];
1.1.1.17 root 12427: if(REG16(CX) > sizeof(data)) // cx = actual transfer size
12428: REG16(CX) = sizeof(data);
12429: ZeroMemory(data, sizeof(data));
12430: data[0] = 0x01;
12431: *(UINT16 *)(data + 1) = REG16(CX) - 3;
1.1.1.19 root 12432: *(UINT16 *)(data + 3) = get_country_info((country_info_t*)(data + 7));
1.1.1.17 root 12433: *(UINT16 *)(data + 5) = active_code_page;
12434: memcpy(mem + SREG_BASE(ES) + REG16(DI), data, REG16(CX));
1.1.1.25 root 12435: // REG16(AX) = active_code_page;
1.1.1.17 root 12436: } else {
1.1.1.25 root 12437: return(0x08); // insufficient memory
1.1.1.17 root 12438: }
12439: break;
12440: case 0x02:
12441: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x02;
12442: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (UPPERTABLE_TOP & 0x0f);
12443: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (UPPERTABLE_TOP >> 4);
1.1.1.25 root 12444: // REG16(AX) = active_code_page;
1.1.1.17 root 12445: REG16(CX) = 0x05;
12446: break;
1.1.1.23 root 12447: case 0x03:
12448: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x02;
12449: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (LOWERTABLE_TOP & 0x0f);
12450: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (LOWERTABLE_TOP >> 4);
1.1.1.25 root 12451: // REG16(AX) = active_code_page;
1.1.1.23 root 12452: REG16(CX) = 0x05;
12453: break;
1.1.1.17 root 12454: case 0x04:
12455: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x04;
12456: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (FILENAME_UPPERTABLE_TOP & 0x0f);
12457: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (FILENAME_UPPERTABLE_TOP >> 4);
1.1.1.25 root 12458: // REG16(AX) = active_code_page;
1.1.1.17 root 12459: REG16(CX) = 0x05;
12460: break;
12461: case 0x05:
12462: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x05;
12463: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (FILENAME_TERMINATOR_TOP & 0x0f);
12464: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (FILENAME_TERMINATOR_TOP >> 4);
1.1.1.25 root 12465: // REG16(AX) = active_code_page;
1.1.1.17 root 12466: REG16(CX) = 0x05;
12467: break;
12468: case 0x06:
12469: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x06;
12470: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (COLLATING_TABLE_TOP & 0x0f);
12471: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (COLLATING_TABLE_TOP >> 4);
1.1.1.25 root 12472: // REG16(AX) = active_code_page;
1.1.1.17 root 12473: REG16(CX) = 0x05;
12474: break;
1.1 root 12475: case 0x07:
1.1.1.3 root 12476: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x07;
12477: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (DBCS_TOP & 0x0f);
12478: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (DBCS_TOP >> 4);
1.1.1.25 root 12479: // REG16(AX) = active_code_page;
1.1 root 12480: REG16(CX) = 0x05;
12481: break;
1.1.1.25 root 12482: default:
12483: return(0x01); // function number invalid
12484: }
12485: return(0x00);
12486: }
12487:
12488: inline void msdos_int_21h_65h()
12489: {
12490: char tmp[0x10000];
12491:
12492: switch(REG8(AL)) {
1.1.1.43 root 12493: case 0x00:
12494: if(REG16(CX) >= 7) {
12495: set_country_info((country_info_t *)(mem + SREG_BASE(ES) + REG16(DI)), REG16(CX) - 7);
12496: REG16(AX) = system_code_page;
12497: } else {
12498: REG16(AX) = 0x0c;
12499: m_CF = 1;
12500: }
12501: break;
1.1.1.25 root 12502: case 0x01:
12503: case 0x02:
12504: case 0x03:
12505: case 0x04:
12506: case 0x05:
12507: case 0x06:
12508: case 0x07:
12509: {
12510: UINT16 result = get_extended_country_info(REG8(AL));
12511: if(result) {
12512: REG16(AX) = result;
12513: m_CF = 1;
12514: } else {
12515: REG16(AX) = active_code_page; // FIXME: is this correct???
12516: }
12517: }
12518: break;
1.1 root 12519: case 0x20:
1.1.1.25 root 12520: case 0xa0:
1.1.1.19 root 12521: memset(tmp, 0, sizeof(tmp));
12522: tmp[0] = REG8(DL);
1.1 root 12523: my_strupr(tmp);
12524: REG8(DL) = tmp[0];
12525: break;
12526: case 0x21:
1.1.1.25 root 12527: case 0xa1:
1.1 root 12528: memset(tmp, 0, sizeof(tmp));
1.1.1.3 root 12529: memcpy(tmp, mem + SREG_BASE(DS) + REG16(DX), REG16(CX));
1.1 root 12530: my_strupr(tmp);
1.1.1.3 root 12531: memcpy(mem + SREG_BASE(DS) + REG16(DX), tmp, REG16(CX));
1.1 root 12532: break;
12533: case 0x22:
1.1.1.25 root 12534: case 0xa2:
1.1.1.3 root 12535: my_strupr((char *)(mem + SREG_BASE(DS) + REG16(DX)));
1.1 root 12536: break;
1.1.1.25 root 12537: case 0x23:
12538: // FIXME: need to check multi-byte (kanji) charactre?
1.1.1.45 root 12539: if(REG8(DL) == 'N' || REG8(DL) == 'n' || (REG8(DL) == 0x82 && REG8(DH) == 0x6d) || (REG8(DL) == 0x82 && REG8(DH) == 0x8e)) {
1.1.1.25 root 12540: // 826dh/828eh: multi-byte (kanji) N and n
1.1.1.45 root 12541: REG16(AX) = 0x00;
12542: } else if(REG8(DL) == 'Y' || REG8(DL) == 'y' || (REG8(DL) == 0x82 && REG8(DH) == 0x78) || (REG8(DL) == 0x82 && REG8(DH) == 0x99)) {
12543: // 8278h/8299h: multi-byte (kanji) Y and y
1.1.1.25 root 12544: REG16(AX) = 0x01;
12545: } else {
12546: REG16(AX) = 0x02;
12547: }
12548: break;
1.1 root 12549: default:
1.1.1.22 root 12550: 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 12551: REG16(AX) = 0x01;
1.1.1.3 root 12552: m_CF = 1;
1.1 root 12553: break;
12554: }
12555: }
12556:
12557: inline void msdos_int_21h_66h()
12558: {
12559: switch(REG8(AL)) {
12560: case 0x01:
12561: REG16(BX) = active_code_page;
12562: REG16(DX) = system_code_page;
12563: break;
12564: case 0x02:
12565: if(active_code_page == REG16(BX)) {
12566: REG16(AX) = 0xeb41;
12567: } else if(_setmbcp(REG16(BX)) == 0) {
12568: active_code_page = REG16(BX);
1.1.1.17 root 12569: msdos_nls_tables_update();
1.1 root 12570: REG16(AX) = 0xeb41;
1.1.1.32 root 12571: SetConsoleCP(active_code_page);
12572: SetConsoleOutputCP(active_code_page);
1.1 root 12573: } else {
12574: REG16(AX) = 0x25;
1.1.1.3 root 12575: m_CF = 1;
1.1 root 12576: }
12577: break;
12578: default:
1.1.1.22 root 12579: 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 12580: REG16(AX) = 0x01;
1.1.1.3 root 12581: m_CF = 1;
1.1 root 12582: break;
12583: }
12584: }
12585:
12586: inline void msdos_int_21h_67h()
12587: {
12588: process_t *process = msdos_process_info_get(current_psp);
12589:
12590: if(REG16(BX) <= MAX_FILES) {
12591: process->max_files = max(REG16(BX), 20);
12592: } else {
12593: REG16(AX) = 0x08;
1.1.1.3 root 12594: m_CF = 1;
1.1 root 12595: }
12596: }
12597:
12598: inline void msdos_int_21h_68h()
12599: {
12600: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 12601: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 12602:
1.1.1.20 root 12603: if(fd < process->max_files && file_handler[fd].valid) {
12604: // fflush(_fdopen(fd, ""));
1.1 root 12605: } else {
12606: REG16(AX) = 0x06;
1.1.1.3 root 12607: m_CF = 1;
1.1 root 12608: }
12609: }
12610:
12611: inline void msdos_int_21h_69h()
12612: {
1.1.1.3 root 12613: drive_info_t *info = (drive_info_t *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 12614: char path[] = "A:\\";
12615: char volume_label[MAX_PATH];
12616: DWORD serial_number = 0;
12617: char file_system[MAX_PATH];
12618:
12619: if(REG8(BL) == 0) {
12620: path[0] = 'A' + _getdrive() - 1;
12621: } else {
12622: path[0] = 'A' + REG8(BL) - 1;
12623: }
12624:
12625: switch(REG8(AL)) {
12626: case 0x00:
12627: if(GetVolumeInformation(path, volume_label, MAX_PATH, &serial_number, NULL, NULL, file_system, MAX_PATH)) {
12628: info->info_level = 0;
12629: info->serial_number = serial_number;
12630: memset(info->volume_label, 0x20, 11);
12631: memcpy(info->volume_label, volume_label, min(strlen(volume_label), 11));
12632: memset(info->file_system, 0x20, 8);
12633: memcpy(info->file_system, file_system, min(strlen(file_system), 8));
12634: } else {
12635: REG16(AX) = errno;
1.1.1.3 root 12636: m_CF = 1;
1.1 root 12637: }
12638: break;
12639: case 0x01:
12640: REG16(AX) = 0x03;
1.1.1.3 root 12641: m_CF = 1;
1.1.1.45 root 12642: break;
12643: default:
12644: 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));
12645: REG16(AX) = 0x01;
12646: m_CF = 1;
12647: break;
1.1 root 12648: }
12649: }
12650:
12651: inline void msdos_int_21h_6ah()
12652: {
12653: REG8(AH) = 0x68;
12654: msdos_int_21h_68h();
12655: }
12656:
12657: inline void msdos_int_21h_6bh()
12658: {
1.1.1.45 root 12659: REG8(AL) = 0x00;
1.1 root 12660: }
12661:
12662: inline void msdos_int_21h_6ch(int lfn)
12663: {
1.1.1.45 root 12664: const char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(SI)), lfn);
1.1 root 12665: int mode = REG8(BL) & 0x03;
12666:
12667: if(mode < 0x03) {
1.1.1.29 root 12668: if(msdos_is_device_path(path) || msdos_is_existing_file(path)) {
1.1 root 12669: // file exists
12670: if(REG8(DL) & 1) {
1.1.1.37 root 12671: int fd = -1;
12672: int sio_port = 0;
12673: int lpt_port = 0;
1.1 root 12674:
1.1.1.45 root 12675: if(msdos_is_device_path(path)) {
12676: fd = msdos_open_device(path, file_mode[mode].mode, &sio_port, &lpt_port);
1.1.1.11 root 12677: } else {
1.1.1.13 root 12678: fd = msdos_open(path, file_mode[mode].mode);
1.1.1.11 root 12679: }
1.1 root 12680: if(fd != -1) {
12681: REG16(AX) = fd;
12682: REG16(CX) = 1;
1.1.1.45 root 12683: msdos_file_handler_open(fd, path, _isatty(fd), mode, msdos_device_info(path), current_psp, sio_port, lpt_port);
1.1.1.20 root 12684: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 12685: } else {
12686: REG16(AX) = errno;
1.1.1.3 root 12687: m_CF = 1;
1.1 root 12688: }
12689: } else if(REG8(DL) & 2) {
12690: int attr = GetFileAttributes(path);
1.1.1.37 root 12691: int fd = -1;
12692: int sio_port = 0;
12693: int lpt_port = 0;
1.1 root 12694:
1.1.1.45 root 12695: if(msdos_is_device_path(path)) {
12696: fd = msdos_open_device(path, file_mode[mode].mode, &sio_port, &lpt_port);
1.1 root 12697: } else {
12698: fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
12699: }
12700: if(fd != -1) {
12701: if(attr == -1) {
12702: attr = msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY;
12703: }
12704: SetFileAttributes(path, attr);
12705: REG16(AX) = fd;
12706: REG16(CX) = 3;
1.1.1.45 root 12707: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_device_info(path), current_psp, sio_port, lpt_port);
1.1.1.20 root 12708: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 12709: } else {
12710: REG16(AX) = errno;
1.1.1.3 root 12711: m_CF = 1;
1.1 root 12712: }
12713: } else {
12714: REG16(AX) = 0x50;
1.1.1.3 root 12715: m_CF = 1;
1.1 root 12716: }
12717: } else {
12718: // file not exists
12719: if(REG8(DL) & 0x10) {
12720: int fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
12721:
12722: if(fd != -1) {
12723: SetFileAttributes(path, msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY);
12724: REG16(AX) = fd;
12725: REG16(CX) = 2;
12726: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_drive_number(path), current_psp);
1.1.1.20 root 12727: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 12728: } else {
12729: REG16(AX) = errno;
1.1.1.3 root 12730: m_CF = 1;
1.1 root 12731: }
12732: } else {
12733: REG16(AX) = 0x02;
1.1.1.3 root 12734: m_CF = 1;
1.1 root 12735: }
12736: }
12737: } else {
12738: REG16(AX) = 0x0c;
1.1.1.3 root 12739: m_CF = 1;
1.1 root 12740: }
12741: }
12742:
1.1.1.43 root 12743: inline void msdos_int_21h_70h()
12744: {
12745: switch(REG8(AL)) {
1.1.1.48 root 12746: case 0x00: // get ??? info
12747: case 0x01: // set above info
12748: // 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));
12749: REG16(AX) = 0x7000;
12750: m_CF = 1;
12751: break;
12752: case 0x02: // set general internationalization info
1.1.1.43 root 12753: if(REG16(CX) >= 7) {
12754: active_code_page = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 5);
12755: msdos_nls_tables_update();
12756: set_country_info((country_info_t *)(mem + SREG_BASE(DS) + REG16(SI) + 7), REG16(CX) - 7);
12757: REG16(AX) = system_code_page;
12758: } else {
12759: REG16(AX) = 0x0c;
12760: m_CF = 1;
12761: }
12762: break;
12763: default:
12764: 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 12765: REG16(AX) = 0x7000;
1.1.1.43 root 12766: m_CF = 1;
12767: break;
12768: }
12769: }
12770:
1.1 root 12771: inline void msdos_int_21h_710dh()
12772: {
12773: // reset drive
12774: }
12775:
1.1.1.48 root 12776: inline void msdos_int_21h_7141h()
1.1.1.17 root 12777: {
12778: if(REG16(SI) == 0) {
1.1.1.48 root 12779: msdos_int_21h_41h(1);
1.1.1.17 root 12780: return;
12781: }
12782: if(REG16(SI) != 1) {
12783: REG16(AX) = 5;
12784: m_CF = 1;
12785: }
12786: /* wild card and matching attributes... */
12787: char tmp[MAX_PATH * 2];
12788: // copy search pathname (and quick check overrun)
12789: ZeroMemory(tmp, sizeof(tmp));
12790: tmp[MAX_PATH - 1] = '\0';
12791: tmp[MAX_PATH] = 1;
12792: strncpy(tmp, (char *)(mem + SREG_BASE(DS) + REG16(DX)), MAX_PATH);
12793:
12794: if(tmp[MAX_PATH - 1] != '\0' || tmp[MAX_PATH] != 1) {
12795: REG16(AX) = 1;
12796: m_CF = 1;
12797: return;
12798: }
12799: for(char *s = tmp; *s; ++s) {
12800: if(*s == '/') {
12801: *s = '\\';
12802: }
12803: }
12804: char *tmp_name = (char *)_mbsrchr((unsigned char *)tmp, '\\');
12805: if(tmp_name) {
12806: ++tmp_name;
12807: } else {
12808: tmp_name = strchr(tmp, ':');
12809: tmp_name = tmp_name ? tmp_name + 1 : tmp;
12810: }
12811:
12812: WIN32_FIND_DATAA fd;
12813: HANDLE fh = FindFirstFileA(tmp, &fd);
12814: if(fh == INVALID_HANDLE_VALUE) {
12815: REG16(AX) = 2;
12816: m_CF = 1;
12817: return;
12818: }
12819: do {
12820: if(msdos_find_file_check_attribute(fd.dwFileAttributes, REG8(CL), REG8(CH)) && msdos_find_file_has_8dot3name(&fd)) {
12821: strcpy(tmp_name, fd.cFileName);
1.1.1.48 root 12822: if(remove(msdos_trimmed_path(tmp, 1))) {
1.1.1.17 root 12823: REG16(AX) = 5;
12824: m_CF = 1;
12825: break;
12826: }
12827: }
12828: } while(FindNextFileA(fh, &fd));
12829: if(!m_CF) {
12830: if(GetLastError() != ERROR_NO_MORE_FILES) {
12831: m_CF = 1;
12832: REG16(AX) = 2;
12833: }
12834: }
12835: FindClose(fh);
12836: }
12837:
1.1 root 12838: inline void msdos_int_21h_714eh()
12839: {
12840: process_t *process = msdos_process_info_get(current_psp);
1.1.1.3 root 12841: find_lfn_t *find = (find_lfn_t *)(mem + SREG_BASE(ES) + REG16(DI));
12842: char *path = (char *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 12843: WIN32_FIND_DATA fd;
12844:
1.1.1.13 root 12845: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, LFN_DTA_LADDR);
12846: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
12847: FindClose(dtainfo->find_handle);
12848: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 12849: }
12850: strcpy(process->volume_label, msdos_volume_label(path));
1.1.1.14 root 12851: dtainfo->allowable_mask = REG8(CL);
12852: dtainfo->required_mask = REG8(CH);
12853: bool label_only = (dtainfo->allowable_mask == 8);
1.1 root 12854:
1.1.1.14 root 12855: if((dtainfo->allowable_mask & 8) && !msdos_match_volume_label(path, msdos_short_volume_label(process->volume_label))) {
12856: dtainfo->allowable_mask &= ~8;
1.1 root 12857: }
1.1.1.14 root 12858: if(!label_only && (dtainfo->find_handle = FindFirstFile(path, &fd)) != INVALID_HANDLE_VALUE) {
12859: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, dtainfo->required_mask)) {
1.1.1.13 root 12860: if(!FindNextFile(dtainfo->find_handle, &fd)) {
12861: FindClose(dtainfo->find_handle);
12862: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 12863: break;
12864: }
12865: }
12866: }
1.1.1.13 root 12867: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 12868: find->attrib = fd.dwFileAttributes;
12869: msdos_find_file_conv_local_time(&fd);
12870: if(REG16(SI) == 0) {
12871: find->ctime_lo.dw = fd.ftCreationTime.dwLowDateTime;
12872: find->ctime_hi.dw = fd.ftCreationTime.dwHighDateTime;
12873: find->atime_lo.dw = fd.ftLastAccessTime.dwLowDateTime;
12874: find->atime_hi.dw = fd.ftLastAccessTime.dwHighDateTime;
12875: find->mtime_lo.dw = fd.ftLastWriteTime.dwLowDateTime;
12876: find->mtime_hi.dw = fd.ftLastWriteTime.dwHighDateTime;
12877: } else {
12878: FileTimeToDosDateTime(&fd.ftCreationTime, &find->ctime_lo.w.h, &find->ctime_lo.w.l);
12879: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->atime_lo.w.h, &find->atime_lo.w.l);
12880: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->mtime_lo.w.h, &find->mtime_lo.w.l);
12881: }
12882: find->size_hi = fd.nFileSizeHigh;
12883: find->size_lo = fd.nFileSizeLow;
12884: strcpy(find->full_name, fd.cFileName);
1.1.1.13 root 12885: strcpy(find->short_name, fd.cAlternateFileName);
1.1.1.14 root 12886: REG16(AX) = dtainfo - dtalist + 1;
12887: } else if(dtainfo->allowable_mask & 8) {
1.1 root 12888: // volume label
12889: find->attrib = 8;
12890: find->size_hi = find->size_lo = 0;
12891: strcpy(find->full_name, process->volume_label);
12892: strcpy(find->short_name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 12893: dtainfo->allowable_mask &= ~8;
12894: REG16(AX) = dtainfo - dtalist + 1;
1.1 root 12895: } else {
12896: REG16(AX) = 0x12; // NOTE: return 0x02 if file path is invalid
1.1.1.3 root 12897: m_CF = 1;
1.1 root 12898: }
12899: }
12900:
12901: inline void msdos_int_21h_714fh()
12902: {
12903: process_t *process = msdos_process_info_get(current_psp);
1.1.1.3 root 12904: find_lfn_t *find = (find_lfn_t *)(mem + SREG_BASE(ES) + REG16(DI));
1.1 root 12905: WIN32_FIND_DATA fd;
12906:
1.1.1.14 root 12907: if(REG16(BX) - 1u >= MAX_DTAINFO) {
12908: REG16(AX) = 6;
1.1.1.13 root 12909: m_CF = 1;
12910: return;
12911: }
1.1.1.14 root 12912: dtainfo_t *dtainfo = &dtalist[REG16(BX) - 1];
1.1.1.13 root 12913: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
12914: if(FindNextFile(dtainfo->find_handle, &fd)) {
1.1.1.14 root 12915: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, dtainfo->required_mask)) {
1.1.1.13 root 12916: if(!FindNextFile(dtainfo->find_handle, &fd)) {
12917: FindClose(dtainfo->find_handle);
12918: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 12919: break;
12920: }
12921: }
12922: } else {
1.1.1.13 root 12923: FindClose(dtainfo->find_handle);
12924: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 12925: }
12926: }
1.1.1.13 root 12927: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 12928: find->attrib = fd.dwFileAttributes;
12929: msdos_find_file_conv_local_time(&fd);
12930: if(REG16(SI) == 0) {
12931: find->ctime_lo.dw = fd.ftCreationTime.dwLowDateTime;
12932: find->ctime_hi.dw = fd.ftCreationTime.dwHighDateTime;
12933: find->atime_lo.dw = fd.ftLastAccessTime.dwLowDateTime;
12934: find->atime_hi.dw = fd.ftLastAccessTime.dwHighDateTime;
12935: find->mtime_lo.dw = fd.ftLastWriteTime.dwLowDateTime;
12936: find->mtime_hi.dw = fd.ftLastWriteTime.dwHighDateTime;
12937: } else {
12938: FileTimeToDosDateTime(&fd.ftCreationTime, &find->ctime_lo.w.h, &find->ctime_lo.w.l);
12939: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->atime_lo.w.h, &find->atime_lo.w.l);
12940: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->mtime_lo.w.h, &find->mtime_lo.w.l);
12941: }
12942: find->size_hi = fd.nFileSizeHigh;
12943: find->size_lo = fd.nFileSizeLow;
12944: strcpy(find->full_name, fd.cFileName);
1.1.1.13 root 12945: strcpy(find->short_name, fd.cAlternateFileName);
1.1.1.14 root 12946: } else if(dtainfo->allowable_mask & 8) {
1.1 root 12947: // volume label
12948: find->attrib = 8;
12949: find->size_hi = find->size_lo = 0;
12950: strcpy(find->full_name, process->volume_label);
12951: strcpy(find->short_name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 12952: dtainfo->allowable_mask &= ~8;
1.1 root 12953: } else {
12954: REG16(AX) = 0x12;
1.1.1.3 root 12955: m_CF = 1;
1.1 root 12956: }
12957: }
12958:
12959: inline void msdos_int_21h_71a0h()
12960: {
12961: DWORD max_component_len, file_sys_flag;
12962:
1.1.1.14 root 12963: 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))) {
12964: REG16(BX) = (UINT16)file_sys_flag & (FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVED_NAMES | FILE_UNICODE_ON_DISK | FILE_VOLUME_IS_COMPRESSED);
12965: REG16(BX) |= 0x4000; // supports LFN functions
1.1 root 12966: REG16(CX) = (UINT16)max_component_len; // 255
12967: REG16(DX) = (UINT16)max_component_len + 5; // 260
12968: } else {
12969: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 12970: m_CF = 1;
1.1 root 12971: }
12972: }
12973:
12974: inline void msdos_int_21h_71a1h()
12975: {
1.1.1.14 root 12976: if(REG16(BX) - 1u >= MAX_DTAINFO) {
12977: REG16(AX) = 6;
1.1.1.13 root 12978: m_CF = 1;
12979: return;
12980: }
1.1.1.14 root 12981: dtainfo_t *dtainfo = &dtalist[REG16(BX) - 1];
1.1.1.13 root 12982: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
12983: FindClose(dtainfo->find_handle);
12984: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 12985: }
12986: }
12987:
12988: inline void msdos_int_21h_71a6h()
12989: {
12990: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 12991: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
12992:
1.1.1.3 root 12993: UINT8 *buffer = (UINT8 *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 12994: struct _stat64 status;
12995: DWORD serial_number = 0;
12996:
1.1.1.20 root 12997: if(fd < process->max_files && file_handler[fd].valid) {
12998: if(_fstat64(fd, &status) == 0) {
12999: if(file_handler[fd].path[1] == ':') {
1.1 root 13000: // NOTE: we need to consider the network file path "\\host\share\"
13001: char volume[] = "A:\\";
1.1.1.20 root 13002: volume[0] = file_handler[fd].path[1];
1.1 root 13003: GetVolumeInformation(volume, NULL, 0, &serial_number, NULL, NULL, NULL, 0);
13004: }
1.1.1.20 root 13005: *(UINT32 *)(buffer + 0x00) = GetFileAttributes(file_handler[fd].path);
1.1 root 13006: *(UINT32 *)(buffer + 0x04) = (UINT32)(status.st_ctime & 0xffffffff);
13007: *(UINT32 *)(buffer + 0x08) = (UINT32)((status.st_ctime >> 32) & 0xffffffff);
13008: *(UINT32 *)(buffer + 0x0c) = (UINT32)(status.st_atime & 0xffffffff);
13009: *(UINT32 *)(buffer + 0x10) = (UINT32)((status.st_atime >> 32) & 0xffffffff);
13010: *(UINT32 *)(buffer + 0x14) = (UINT32)(status.st_mtime & 0xffffffff);
13011: *(UINT32 *)(buffer + 0x18) = (UINT32)((status.st_mtime >> 32) & 0xffffffff);
13012: *(UINT32 *)(buffer + 0x1c) = serial_number;
13013: *(UINT32 *)(buffer + 0x20) = (UINT32)((status.st_size >> 32) & 0xffffffff);
13014: *(UINT32 *)(buffer + 0x24) = (UINT32)(status.st_size & 0xffffffff);
13015: *(UINT32 *)(buffer + 0x28) = status.st_nlink;
1.1.1.14 root 13016: // this is dummy id and it will be changed when it is reopened...
1.1 root 13017: *(UINT32 *)(buffer + 0x2c) = 0;
1.1.1.20 root 13018: *(UINT32 *)(buffer + 0x30) = file_handler[fd].id;
1.1 root 13019: } else {
13020: REG16(AX) = errno;
1.1.1.3 root 13021: m_CF = 1;
1.1 root 13022: }
13023: } else {
13024: REG16(AX) = 0x06;
1.1.1.3 root 13025: m_CF = 1;
1.1 root 13026: }
13027: }
13028:
13029: inline void msdos_int_21h_71a7h()
13030: {
13031: switch(REG8(BL)) {
13032: case 0x00:
1.1.1.3 root 13033: if(!FileTimeToDosDateTime((FILETIME *)(mem + SREG_BASE(DS) + REG16(SI)), ®16(DX), ®16(CX))) {
1.1 root 13034: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 13035: m_CF = 1;
1.1 root 13036: }
13037: break;
13038: case 0x01:
13039: // NOTE: we need to check BH that shows 10-millisecond untils past time in CX
1.1.1.3 root 13040: if(!DosDateTimeToFileTime(REG16(DX), REG16(CX), (FILETIME *)(mem + SREG_BASE(ES) + REG16(DI)))) {
1.1 root 13041: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 13042: m_CF = 1;
1.1 root 13043: }
13044: break;
13045: default:
1.1.1.22 root 13046: 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 13047: REG16(AX) = 0x7100;
1.1.1.3 root 13048: m_CF = 1;
1.1 root 13049: break;
13050: }
13051: }
13052:
13053: inline void msdos_int_21h_71a8h()
13054: {
13055: if(REG8(DH) == 0) {
13056: char tmp[MAX_PATH], fcb[MAX_PATH];
1.1.1.3 root 13057: strcpy(tmp, msdos_short_path((char *)(mem + SREG_BASE(DS) + REG16(SI))));
1.1 root 13058: memset(fcb, 0x20, sizeof(fcb));
13059: int len = strlen(tmp);
1.1.1.21 root 13060: for(int i = 0, pos = 0; i < len; i++) {
1.1 root 13061: if(tmp[i] == '.') {
13062: pos = 8;
13063: } else {
13064: if(msdos_lead_byte_check(tmp[i])) {
13065: fcb[pos++] = tmp[i++];
13066: }
13067: fcb[pos++] = tmp[i];
13068: }
13069: }
1.1.1.3 root 13070: memcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), fcb, 11);
1.1 root 13071: } else {
1.1.1.3 root 13072: strcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), msdos_short_path((char *)(mem + SREG_BASE(DS) + REG16(SI))));
1.1 root 13073: }
13074: }
13075:
1.1.1.22 root 13076: inline void msdos_int_21h_71aah()
13077: {
13078: char drv[] = "A:", path[MAX_PATH];
13079: char *hoge=(char *)(mem + SREG_BASE(DS) + REG16(DX));
13080:
13081: if(REG8(BL) == 0) {
13082: drv[0] = 'A' + _getdrive() - 1;
13083: } else {
13084: drv[0] = 'A' + REG8(BL) - 1;
13085: }
13086: switch(REG8(BH)) {
13087: case 0x00:
1.1.1.44 root 13088: if(msdos_is_valid_drive((REG8(BL) ? REG8(BL) : _getdrive()) - 1)) {
13089: REG16(AX) = 0x0f; // invalid drive
13090: m_CF = 1;
13091: } else if(DefineDosDevice(0, drv, (char *)(mem + SREG_BASE(DS) + REG16(DX))) == 0) {
13092: REG16(AX) = 0x03; // path not found
1.1.1.22 root 13093: m_CF = 1;
13094: }
13095: break;
13096: case 0x01:
1.1.1.44 root 13097: if(!msdos_is_valid_drive((REG8(BL) ? REG8(BL) : _getdrive()) - 1)) {
13098: REG16(AX) = 0x0f; // invalid drive
13099: m_CF = 1;
13100: } else if(DefineDosDevice(DDD_REMOVE_DEFINITION, drv, NULL) == 0) {
1.1.1.22 root 13101: REG16(AX) = 0x0f; // invalid drive
13102: m_CF = 1;
13103: }
13104: break;
13105: case 0x02:
1.1.1.44 root 13106: if(!msdos_is_valid_drive((REG8(BL) ? REG8(BL) : _getdrive()) - 1)) {
13107: REG16(AX) = 0x0f; // invalid drive
13108: m_CF = 1;
13109: } else if(QueryDosDevice(drv, path, MAX_PATH) == 0) {
1.1.1.22 root 13110: REG16(AX) = 0x0f; // invalid drive
13111: m_CF = 1;
13112: } else if(strncmp(path, "\\??\\", 4) != 0) {
13113: REG16(AX) = 0x0f; // invalid drive
13114: m_CF = 1;
13115: } else {
13116: strcpy((char *)(mem + SREG_BASE(DS) + REG16(DX)), path + 4);
13117: }
13118: break;
13119: default:
13120: 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 13121: REG16(AX) = 0x7100;
1.1.1.22 root 13122: m_CF = 1;
13123: break;
13124: }
13125: }
13126:
1.1.1.14 root 13127: inline void msdos_int_21h_7300h()
13128: {
1.1.1.44 root 13129: REG8(AL) = REG8(CL);
13130: REG8(AH) = 0;
1.1.1.14 root 13131: }
13132:
13133: inline void msdos_int_21h_7302h()
13134: {
13135: int drive_num = (REG8(DL) == 0) ? (_getdrive() - 1) : (REG8(DL) - 1);
13136: UINT16 seg, ofs;
13137:
13138: if(REG16(CX) < 0x3f) {
13139: REG8(AL) = 0x18;
13140: m_CF = 1;
13141: } else if(!msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
13142: REG8(AL) = 0xff;
13143: m_CF = 1;
13144: } else {
13145: memcpy(mem + SREG_BASE(ES) + REG16(DI) + 2, mem + (seg << 4) + ofs, sizeof(dpb_t));
13146: }
13147: }
13148:
1.1 root 13149: inline void msdos_int_21h_7303h()
13150: {
1.1.1.3 root 13151: char *path = (char *)(mem + SREG_BASE(DS) + REG16(DX));
13152: ext_space_info_t *info = (ext_space_info_t *)(mem + SREG_BASE(ES) + REG16(DI));
1.1 root 13153: DWORD sectors_per_cluster, bytes_per_sector, free_clusters, total_clusters;
13154:
13155: if(GetDiskFreeSpace(path, §ors_per_cluster, &bytes_per_sector, &free_clusters, &total_clusters)) {
13156: info->size_of_structure = sizeof(ext_space_info_t);
13157: info->structure_version = 0;
13158: info->sectors_per_cluster = sectors_per_cluster;
13159: info->bytes_per_sector = bytes_per_sector;
13160: info->available_clusters_on_drive = free_clusters;
13161: info->total_clusters_on_drive = total_clusters;
13162: info->available_sectors_on_drive = sectors_per_cluster * free_clusters;
13163: info->total_sectors_on_drive = sectors_per_cluster * total_clusters;
13164: info->available_allocation_units = free_clusters; // ???
13165: info->total_allocation_units = total_clusters; // ???
13166: } else {
13167: REG16(AX) = errno;
1.1.1.3 root 13168: m_CF = 1;
1.1 root 13169: }
13170: }
13171:
1.1.1.30 root 13172: inline void msdos_int_21h_dbh()
13173: {
13174: // Novell NetWare - Workstation - Get Number of Local Drives
13175: dos_info_t *dos_info = (dos_info_t *)(mem + DOS_INFO_TOP);
13176: REG8(AL) = dos_info->last_drive;
13177: }
13178:
13179: inline void msdos_int_21h_dch()
13180: {
13181: // Novell NetWare - Connection Services - Get Connection Number
13182: REG8(AL) = 0x00;
13183: }
13184:
1.1.1.32 root 13185: inline void msdos_int_24h()
13186: {
13187: const char *message = NULL;
13188: int key = 0;
13189:
13190: for(int i = 0; i < array_length(critical_error_table); i++) {
13191: if(critical_error_table[i].code == (REG16(DI) & 0xff) || critical_error_table[i].code == (UINT16)-1) {
13192: if(active_code_page == 932) {
13193: message = critical_error_table[i].message_japanese;
13194: }
13195: if(message == NULL) {
13196: message = critical_error_table[i].message_english;
13197: }
13198: *(UINT8 *)(mem + WORK_TOP) = strlen(message);
13199: strcpy((char *)(mem + WORK_TOP + 1), message);
13200:
13201: SREG(ES) = WORK_TOP >> 4;
13202: i386_load_segment_descriptor(ES);
13203: REG16(DI) = 0x0000;
13204: break;
13205: }
13206: }
13207: fprintf(stderr, "\n%s", message);
13208: if(!(REG8(AH) & 0x80)) {
13209: if(REG8(AH) & 0x01) {
13210: fprintf(stderr, " %s %c", (active_code_page == 932) ? "�������ݒ� �h���C�u" : "writing drive", 'A' + REG8(AL));
13211: } else {
13212: fprintf(stderr, " %s %c", (active_code_page == 932) ? "�ǂݎ�蒆 �h���C�u" : "reading drive", 'A' + REG8(AL));
13213: }
13214: }
13215: fprintf(stderr, "\n");
13216:
1.1.1.33 root 13217: {
1.1.1.32 root 13218: fprintf(stderr, "%s", (active_code_page == 932) ? "���~ (A)" : "Abort");
1.1.1.33 root 13219: }
1.1.1.32 root 13220: if(REG8(AH) & 0x10) {
13221: fprintf(stderr, ", %s", (active_code_page == 932) ? "���s (R)" : "Retry");
13222: }
13223: if(REG8(AH) & 0x20) {
13224: fprintf(stderr, ", %s", (active_code_page == 932) ? "���� (I)" : "Ignore");
13225: }
13226: if(REG8(AH) & 0x08) {
13227: fprintf(stderr, ", %s", (active_code_page == 932) ? "���s (F)" : "Fail");
13228: }
13229: fprintf(stderr, "? ");
13230:
13231: while(1) {
13232: while(!_kbhit()) {
13233: Sleep(10);
13234: }
13235: key = _getch();
13236:
13237: if(key == 'I' || key == 'i') {
13238: if(REG8(AH) & 0x20) {
13239: REG8(AL) = 0;
13240: break;
13241: }
13242: } else if(key == 'R' || key == 'r') {
13243: if(REG8(AH) & 0x10) {
13244: REG8(AL) = 1;
13245: break;
13246: }
13247: } else if(key == 'A' || key == 'a') {
13248: REG8(AL) = 2;
13249: break;
13250: } else if(key == 'F' || key == 'f') {
13251: if(REG8(AH) & 0x08) {
13252: REG8(AL) = 3;
13253: break;
13254: }
13255: }
13256: }
13257: fprintf(stderr, "%c\n", key);
13258: }
13259:
1.1 root 13260: inline void msdos_int_25h()
13261: {
13262: UINT16 seg, ofs;
13263: DWORD dwSize;
13264:
1.1.1.3 root 13265: #if defined(HAS_I386)
13266: I386OP(pushf)();
13267: #else
13268: PREFIX86(_pushf());
13269: #endif
1.1 root 13270:
13271: if(!(REG8(AL) < 26)) {
13272: REG8(AL) = 0x01; // unit unknown
1.1.1.3 root 13273: m_CF = 1;
1.1 root 13274: } else if(!msdos_drive_param_block_update(REG8(AL), &seg, &ofs, 0)) {
13275: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 13276: m_CF = 1;
1.1 root 13277: } else {
13278: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
13279: char dev[64];
13280: sprintf(dev, "\\\\.\\%c:", 'A' + REG8(AL));
13281:
13282: HANDLE hFile = CreateFile(dev, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
13283: if(hFile == INVALID_HANDLE_VALUE) {
13284: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 13285: m_CF = 1;
1.1 root 13286: } else {
1.1.1.19 root 13287: UINT32 top_sector = REG16(DX);
13288: UINT16 sector_num = REG16(CX);
13289: UINT32 buffer_addr = SREG_BASE(DS) + REG16(BX);
13290:
13291: if(sector_num == 0xffff) {
13292: top_sector = *(UINT32 *)(mem + buffer_addr + 0);
13293: sector_num = *(UINT16 *)(mem + buffer_addr + 4);
13294: UINT16 ofs = *(UINT16 *)(mem + buffer_addr + 6);
13295: UINT16 seg = *(UINT16 *)(mem + buffer_addr + 8);
13296: buffer_addr = (seg << 4) + ofs;
13297: }
13298: // if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
13299: // REG8(AL) = 0x02; // drive not ready
13300: // m_CF = 1;
13301: // } else
13302: if(SetFilePointer(hFile, top_sector * dpb->bytes_per_sector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
1.1 root 13303: REG8(AL) = 0x08; // sector not found
1.1.1.3 root 13304: m_CF = 1;
1.1.1.19 root 13305: } else if(ReadFile(hFile, mem + buffer_addr, sector_num * dpb->bytes_per_sector, &dwSize, NULL) == 0) {
1.1 root 13306: REG8(AL) = 0x0b; // read error
1.1.1.3 root 13307: m_CF = 1;
1.1 root 13308: }
13309: CloseHandle(hFile);
13310: }
13311: }
13312: }
13313:
13314: inline void msdos_int_26h()
13315: {
1.1.1.42 root 13316: // this operation may cause serious damage for drives, so support only floppy disk...
1.1 root 13317: UINT16 seg, ofs;
13318: DWORD dwSize;
13319:
1.1.1.3 root 13320: #if defined(HAS_I386)
13321: I386OP(pushf)();
13322: #else
13323: PREFIX86(_pushf());
13324: #endif
1.1 root 13325:
13326: if(!(REG8(AL) < 26)) {
13327: REG8(AL) = 0x01; // unit unknown
1.1.1.3 root 13328: m_CF = 1;
1.1 root 13329: } else if(!msdos_drive_param_block_update(REG8(AL), &seg, &ofs, 0)) {
13330: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 13331: m_CF = 1;
1.1 root 13332: } else {
13333: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
13334: char dev[64];
13335: sprintf(dev, "\\\\.\\%c:", 'A' + REG8(AL));
13336:
13337: if(dpb->media_type == 0xf8) {
13338: // this drive is not a floppy
1.1.1.6 root 13339: // if(!(((dos_info_t *)(mem + DOS_INFO_TOP))->dos_flag & 0x40)) {
13340: // fatalerror("This application tried the absolute disk write to drive %c:\n", 'A' + REG8(AL));
13341: // }
1.1 root 13342: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 13343: m_CF = 1;
1.1 root 13344: } else {
13345: HANDLE hFile = CreateFile(dev, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
13346: if(hFile == INVALID_HANDLE_VALUE) {
13347: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 13348: m_CF = 1;
1.1 root 13349: } else {
1.1.1.19 root 13350: UINT32 top_sector = REG16(DX);
13351: UINT16 sector_num = REG16(CX);
13352: UINT32 buffer_addr = SREG_BASE(DS) + REG16(BX);
13353:
13354: if(sector_num == 0xffff) {
13355: top_sector = *(UINT32 *)(mem + buffer_addr + 0);
13356: sector_num = *(UINT16 *)(mem + buffer_addr + 4);
13357: UINT16 ofs = *(UINT16 *)(mem + buffer_addr + 6);
13358: UINT16 seg = *(UINT16 *)(mem + buffer_addr + 8);
13359: buffer_addr = (seg << 4) + ofs;
13360: }
1.1 root 13361: if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
13362: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 13363: m_CF = 1;
1.1.1.19 root 13364: } else if(SetFilePointer(hFile, top_sector * dpb->bytes_per_sector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
1.1 root 13365: REG8(AL) = 0x08; // sector not found
1.1.1.3 root 13366: m_CF = 1;
1.1.1.19 root 13367: } else if(WriteFile(hFile, mem + buffer_addr, sector_num * dpb->bytes_per_sector, &dwSize, NULL) == 0) {
1.1 root 13368: REG8(AL) = 0x0a; // write error
1.1.1.3 root 13369: m_CF = 1;
1.1 root 13370: }
13371: CloseHandle(hFile);
13372: }
13373: }
13374: }
13375: }
13376:
13377: inline void msdos_int_27h()
13378: {
1.1.1.29 root 13379: int paragraphs = (min(REG16(DX), 0xfff0) + 15) >> 4;
13380: try {
13381: msdos_mem_realloc(SREG(CS), paragraphs, NULL);
13382: } catch(...) {
13383: // recover the broken mcb
13384: int mcb_seg = SREG(CS) - 1;
13385: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1.1.33 root 13386:
1.1.1.29 root 13387: if(mcb_seg < (MEMORY_END >> 4)) {
1.1.1.33 root 13388: mcb->mz = 'M';
13389: mcb->paragraphs = (MEMORY_END >> 4) - mcb_seg - 2;
13390:
1.1.1.29 root 13391: if(((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked & 0x01) {
1.1.1.39 root 13392: msdos_mcb_create((MEMORY_END >> 4) - 1, 'M', PSP_SYSTEM, (UMB_TOP >> 4) - (MEMORY_END >> 4), "SC");
1.1.1.29 root 13393: } else {
1.1.1.39 root 13394: msdos_mcb_create((MEMORY_END >> 4) - 1, 'Z', PSP_SYSTEM, 0, "SC");
1.1.1.29 root 13395: }
13396: } else {
13397: mcb->mz = 'Z';
1.1.1.30 root 13398: mcb->paragraphs = (UMB_END >> 4) - mcb_seg - 1;
1.1.1.29 root 13399: }
13400: msdos_mem_realloc(SREG(CS), paragraphs, NULL);
13401: }
1.1.1.3 root 13402: msdos_process_terminate(SREG(CS), retval | 0x300, 0);
1.1 root 13403: }
13404:
13405: inline void msdos_int_29h()
13406: {
1.1.1.50 root 13407: msdos_putch_fast(REG8(AL));
1.1 root 13408: }
13409:
13410: inline void msdos_int_2eh()
13411: {
13412: char tmp[MAX_PATH], command[MAX_PATH], opt[MAX_PATH];
13413: memset(tmp, 0, sizeof(tmp));
1.1.1.3 root 13414: strcpy(tmp, (char *)(mem + SREG_BASE(DS) + REG16(SI)));
1.1 root 13415: char *token = my_strtok(tmp, " ");
13416: strcpy(command, token);
13417: strcpy(opt, token + strlen(token) + 1);
13418:
13419: param_block_t *param = (param_block_t *)(mem + WORK_TOP);
13420: param->env_seg = 0;
13421: param->cmd_line.w.l = 44;
13422: param->cmd_line.w.h = (WORK_TOP >> 4);
13423: param->fcb1.w.l = 24;
13424: param->fcb1.w.h = (WORK_TOP >> 4);
13425: param->fcb2.w.l = 24;
13426: param->fcb2.w.h = (WORK_TOP >> 4);
13427:
13428: memset(mem + WORK_TOP + 24, 0x20, 20);
13429:
13430: cmd_line_t *cmd_line = (cmd_line_t *)(mem + WORK_TOP + 44);
13431: cmd_line->len = strlen(opt);
13432: strcpy(cmd_line->cmd, opt);
13433: cmd_line->cmd[cmd_line->len] = 0x0d;
13434:
1.1.1.28 root 13435: try {
13436: if(msdos_process_exec(command, param, 0)) {
13437: REG16(AX) = 0xffff; // error before processing command
13438: } else {
13439: // set flag to set retval to ax when the started process is terminated
13440: process_t *process = msdos_process_info_get(current_psp);
13441: process->called_by_int2eh = true;
13442: }
13443: } catch(...) {
13444: REG16(AX) = 0xffff; // error before processing command
13445: }
1.1 root 13446: }
13447:
1.1.1.29 root 13448: inline void msdos_int_2fh_05h()
13449: {
13450: switch(REG8(AL)) {
13451: case 0x00:
1.1.1.49 root 13452: // critical error handler is installed
1.1.1.32 root 13453: REG8(AL) = 0xff;
13454: break;
13455: case 0x01:
13456: case 0x02:
13457: for(int i = 0; i < array_length(standard_error_table); i++) {
13458: if(standard_error_table[i].code == REG16(BX) || standard_error_table[i].code == (UINT16)-1) {
13459: const char *message = NULL;
13460: if(active_code_page == 932) {
13461: message = standard_error_table[i].message_japanese;
13462: }
13463: if(message == NULL) {
13464: message = standard_error_table[i].message_english;
13465: }
13466: strcpy((char *)(mem + WORK_TOP), message);
13467:
13468: SREG(ES) = WORK_TOP >> 4;
13469: i386_load_segment_descriptor(ES);
13470: REG16(DI) = 0x0000;
13471: REG8(AL) = 0x01;
13472: break;
13473: }
13474: }
1.1.1.29 root 13475: break;
13476: default:
13477: 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 13478: REG16(AX) = 0x01;
1.1.1.29 root 13479: m_CF = 1;
13480: }
13481: }
13482:
1.1.1.44 root 13483: inline void msdos_int_2fh_06h()
13484: {
13485: switch(REG8(AL)) {
13486: case 0x00:
13487: // ASSIGN is not installed
1.1.1.49 root 13488: // REG8(AL) = 0x00;
1.1.1.44 root 13489: break;
13490: case 0x01:
13491: // this call is available from within MIRROR.COM even if ASSIGN is not installed
13492: REG16(AX) = 0x01;
13493: m_CF = 1;
13494: break;
13495: default:
13496: 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));
13497: REG16(AX) = 0x01;
13498: m_CF = 1;
13499: break;
13500: }
13501: }
13502:
1.1.1.22 root 13503: inline void msdos_int_2fh_11h()
13504: {
13505: switch(REG8(AL)) {
13506: case 0x00:
1.1.1.29 root 13507: if(i386_read_stack() == 0xdada) {
1.1.1.53 root 13508: #ifdef SUPPORT_MSCDEX
13509: // MSCDEX is installed
13510: REG8(AL) = 0xff;
13511: i386_write_stack(0xadad);
13512: #else
1.1.1.29 root 13513: // MSCDEX is not installed
13514: // REG8(AL) = 0x00;
1.1.1.53 root 13515: #endif
1.1.1.29 root 13516: } else {
13517: // Network Redirector is not installed
13518: // REG8(AL) = 0x00;
13519: }
1.1.1.22 root 13520: break;
13521: default:
1.1.1.43 root 13522: // 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 13523: REG16(AX) = 0x49; // network software not installed
1.1.1.22 root 13524: m_CF = 1;
13525: break;
13526: }
13527: }
13528:
1.1.1.21 root 13529: inline void msdos_int_2fh_12h()
13530: {
13531: switch(REG8(AL)) {
1.1.1.22 root 13532: case 0x00:
1.1.1.29 root 13533: // DOS 3.0+ internal functions are installed
1.1.1.22 root 13534: REG8(AL) = 0xff;
13535: break;
1.1.1.29 root 13536: // case 0x01: // DOS 3.0+ internal - Close Current File
13537: case 0x02:
13538: {
13539: UINT16 stack = i386_read_stack();
13540: REG16(BX) = *(UINT16 *)(mem + 4 * stack + 0);
13541: SREG(ES) = *(UINT16 *)(mem + 4 * stack + 2);
13542: i386_load_segment_descriptor(ES);
13543: }
13544: break;
1.1.1.30 root 13545: case 0x03:
13546: SREG(DS) = (DEVICE_TOP >> 4);
13547: i386_load_segment_descriptor(DS);
13548: break;
1.1.1.29 root 13549: case 0x04:
13550: {
13551: UINT16 stack = i386_read_stack();
13552: REG8(AL) = (stack == '/') ? '\\' : stack;
13553: #if defined(HAS_I386)
13554: m_ZF = (REG8(AL) == '\\');
13555: #else
13556: m_ZeroVal = (REG8(AL) != '\\');
13557: #endif
13558: }
13559: break;
13560: case 0x05:
1.1.1.49 root 13561: {
13562: UINT16 c = i386_read_stack();
13563: if((c >> 0) & 0xff) {
13564: msdos_putch((c >> 0) & 0xff);
13565: }
13566: if((c >> 8) & 0xff) {
13567: msdos_putch((c >> 8) & 0xff);
13568: }
13569: }
1.1.1.29 root 13570: break;
1.1.1.49 root 13571: // case 0x06: // DOS 3.0+ internal - Invoke Critical Error
1.1.1.29 root 13572: // case 0x07: // DOS 3.0+ internal - Make Disk Buffer Most Recentry Used
13573: // case 0x08: // DOS 3.0+ internal - Decrement SFT Reference Count
1.1.1.49 root 13574: // case 0x09: // DOS 3.0+ internal - Flush and Free Disk Buffer
1.1.1.29 root 13575: // case 0x0a: // DOS 3.0+ internal - Perform Critical Error Interrupt
13576: // case 0x0b: // DOS 3.0+ internal - Signal Sharing Violation to User
13577: // case 0x0c: // DOS 3.0+ internal - Open Device and Set SFT Owner/Mode
13578: case 0x0d:
13579: {
13580: SYSTEMTIME time;
13581: FILETIME file_time;
13582: WORD dos_date, dos_time;
13583: GetLocalTime(&time);
13584: SystemTimeToFileTime(&time, &file_time);
13585: FileTimeToDosDateTime(&file_time, &dos_date, &dos_time);
13586: REG16(AX) = dos_date;
13587: REG16(DX) = dos_time;
13588: }
13589: break;
13590: // case 0x0e: // DOS 3.0+ internal - Mark All Disk Buffers Unreferenced
13591: // case 0x0f: // DOS 3.0+ internal - Make Buffer Most Recentry Used
13592: // case 0x10: // DOS 3.0+ internal - Find Unreferenced Disk Buffer
13593: case 0x11:
13594: {
13595: char path[MAX_PATH], *p;
13596: strcpy(path, (char *)(mem + SREG_BASE(DS) + REG16(SI)));
13597: my_strupr(path);
13598: while((p = my_strchr(path, '/')) != NULL) {
13599: *p = '\\';
13600: }
13601: strcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), path);
13602: }
13603: break;
13604: case 0x12:
13605: REG16(CX) = strlen((char *)(mem + SREG_BASE(ES) + REG16(DI)));
13606: break;
13607: case 0x13:
13608: {
13609: char tmp[2] = {0};
13610: tmp[0] = i386_read_stack();
13611: my_strupr(tmp);
13612: REG8(AL) = tmp[0];
13613: }
13614: break;
13615: case 0x14:
13616: #if defined(HAS_I386)
13617: m_ZF = (SREG_BASE(DS) + REG16(SI) == SREG_BASE(ES) + REG16(DI));
13618: #else
13619: m_ZeroVal = (SREG_BASE(DS) + REG16(SI) != SREG_BASE(ES) + REG16(DI));
13620: #endif
13621: m_CF = (SREG_BASE(DS) + REG16(SI) != SREG_BASE(ES) + REG16(DI));
13622: break;
13623: // case 0x15: // DOS 3.0+ internal - Flush Buffer
1.1.1.21 root 13624: case 0x16:
13625: if(REG16(BX) < 20) {
13626: SREG(ES) = SFT_TOP >> 4;
13627: i386_load_segment_descriptor(ES);
13628: REG16(DI) = 6 + 0x3b * REG16(BX);
13629:
13630: // update system file table
13631: UINT8* sft = mem + SFT_TOP + 6 + 0x3b * REG16(BX);
13632: if(file_handler[REG16(BX)].valid) {
13633: int count = 0;
13634: for(int i = 0; i < 20; i++) {
13635: if(msdos_psp_get_file_table(i, current_psp) == REG16(BX)) {
13636: count++;
13637: }
13638: }
13639: *(UINT16 *)(sft + 0x00) = count ? count : 0xffff;
13640: *(UINT32 *)(sft + 0x15) = _tell(REG16(BX));
13641: _lseek(REG16(BX), 0, SEEK_END);
13642: *(UINT32 *)(sft + 0x11) = _tell(REG16(BX));
13643: _lseek(REG16(BX), *(UINT32 *)(sft + 0x15), SEEK_SET);
13644: } else {
13645: memset(sft, 0, 0x3b);
13646: }
13647: } else {
13648: REG16(AX) = 0x06;
13649: m_CF = 1;
13650: }
13651: break;
1.1.1.49 root 13652: case 0x17:
13653: {
13654: UINT16 drive = i386_read_stack();
13655: if(msdos_is_valid_drive(drive)) {
13656: msdos_cds_update(drive);
13657: }
13658: REG16(SI) = 88 * drive;
13659: SREG(DS) = (CDS_TOP >> 4);
13660: i386_load_segment_descriptor(DS);
13661: }
13662: break;
1.1.1.29 root 13663: // case 0x18: // DOS 3.0+ internal - Get Caller's Registers
13664: // case 0x19: // DOS 3.0+ internal - Set Drive???
13665: case 0x1a:
13666: {
13667: char *path = (char *)(mem + SREG_BASE(DS) + REG16(SI)), full[MAX_PATH];
13668: if(path[1] == ':') {
13669: if(path[0] >= 'a' && path[0] <= 'z') {
13670: REG8(AL) = path[0] - 'a' + 1;
13671: } else if(path[0] >= 'A' && path[0] <= 'Z') {
13672: REG8(AL) = path[0] - 'A' + 1;
13673: } else {
13674: REG8(AL) = 0xff; // invalid
13675: }
13676: strcpy(full, path);
13677: strcpy(path, full + 2);
13678: } else if(GetFullPathName(path, MAX_PATH, full, NULL) != 0 && full[1] == ':') {
13679: if(full[0] >= 'a' && full[0] <= 'z') {
13680: REG8(AL) = full[0] - 'a' + 1;
13681: } else if(full[0] >= 'A' && full[0] <= 'Z') {
13682: REG8(AL) = full[0] - 'A' + 1;
13683: } else {
13684: REG8(AL) = 0xff; // invalid
13685: }
13686: } else {
13687: REG8(AL) = 0x00; // default
13688: }
13689: }
13690: break;
13691: case 0x1b:
13692: {
13693: int year = REG16(CX) + 1980;
13694: REG8(AL) = ((year % 4) == 0 && (year % 100) != 0 && (year % 400) == 0) ? 29 : 28;
13695: }
13696: break;
13697: // case 0x1c: // DOS 3.0+ internal - Check Sum Memory
13698: // case 0x1d: // DOS 3.0+ internal - Sum Memory
13699: case 0x1e:
13700: {
13701: char *path_1st = (char *)(mem + SREG_BASE(DS) + REG16(SI)), full_1st[MAX_PATH];
13702: char *path_2nd = (char *)(mem + SREG_BASE(ES) + REG16(DI)), full_2nd[MAX_PATH];
13703: if(GetFullPathName(path_1st, MAX_PATH, full_1st, NULL) != 0 && GetFullPathName(path_2nd, MAX_PATH, full_2nd, NULL) != 0) {
13704: #if defined(HAS_I386)
13705: m_ZF = (strcmp(full_1st, full_2nd) == 0);
13706: #else
13707: m_ZeroVal = (strcmp(full_1st, full_2nd) != 0);
13708: #endif
13709: } else {
13710: #if defined(HAS_I386)
13711: m_ZF = (strcmp(path_1st, path_2nd) == 0);
13712: #else
13713: m_ZeroVal = (strcmp(path_1st, path_2nd) != 0);
13714: #endif
13715: }
13716: }
13717: break;
1.1.1.49 root 13718: case 0x1f:
13719: {
13720: UINT16 drive = i386_read_stack();
13721: if(msdos_is_valid_drive(drive)) {
13722: msdos_cds_update(drive);
13723: }
13724: REG16(SI) = 88 * drive;
13725: SREG(ES) = (CDS_TOP >> 4);
13726: i386_load_segment_descriptor(ES);
13727: }
13728: break;
1.1.1.21 root 13729: case 0x20:
13730: {
13731: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
13732:
13733: if(fd < 20) {
13734: SREG(ES) = current_psp;
13735: i386_load_segment_descriptor(ES);
13736: REG16(DI) = offsetof(psp_t, file_table) + fd;
13737: } else {
13738: REG16(AX) = 0x06;
13739: m_CF = 1;
13740: }
13741: }
13742: break;
1.1.1.29 root 13743: case 0x21:
13744: msdos_int_21h_60h(0);
13745: break;
1.1.1.49 root 13746: case 0x22:
13747: {
13748: sda_t *sda = (sda_t *)(mem + SDA_TOP);
13749: if(*(UINT8 *)(mem + SREG_BASE(SS) + REG16(SI) + 0x00) != 0xff) {
13750: sda->extended_error_code = *(UINT8 *)(mem + SREG_BASE(SS) + REG16(SI) + 0x00);
13751: }
13752: if(*(UINT8 *)(mem + SREG_BASE(SS) + REG16(SI) + 0x01) != 0xff) {
13753: sda->error_class = *(UINT8 *)(mem + SREG_BASE(SS) + REG16(SI) + 0x01);
13754: }
13755: if(*(UINT8 *)(mem + SREG_BASE(SS) + REG16(SI) + 0x02) != 0xff) {
13756: sda->suggested_action = *(UINT8 *)(mem + SREG_BASE(SS) + REG16(SI) + 0x02);
13757: }
13758: if(*(UINT8 *)(mem + SREG_BASE(SS) + REG16(SI) + 0x03) != 0xff) {
13759: sda->locus_of_last_error = *(UINT8 *)(mem + SREG_BASE(SS) + REG16(SI) + 0x03);
13760: }
13761: }
13762: break;
1.1.1.29 root 13763: // case 0x23: // DOS 3.0+ internal - Check If Character Device
13764: // case 0x24: // DOS 3.0+ internal - Sharing Retry Delay
13765: case 0x25:
13766: REG16(CX) = strlen((char *)(mem + SREG_BASE(DS) + REG16(SI)));
13767: break;
13768: case 0x26:
13769: REG8(AL) = REG8(CL);
13770: msdos_int_21h_3dh();
13771: break;
13772: case 0x27:
13773: msdos_int_21h_3eh();
13774: break;
13775: case 0x28:
13776: REG16(AX) = REG16(BP);
13777: msdos_int_21h_42h();
13778: break;
13779: case 0x29:
13780: msdos_int_21h_3fh();
13781: break;
13782: // case 0x2a: // DOS 3.0+ internal - Set Fast Open Entry Point
13783: case 0x2b:
13784: REG16(AX) = REG16(BP);
13785: msdos_int_21h_44h();
13786: break;
13787: case 0x2c:
13788: REG16(BX) = DEVICE_TOP >> 4;
13789: REG16(AX) = 22;
13790: break;
13791: case 0x2d:
13792: {
13793: sda_t *sda = (sda_t *)(mem + SDA_TOP);
13794: REG16(AX) = sda->extended_error_code;
13795: }
13796: break;
13797: case 0x2e:
13798: if(REG8(DL) == 0x00 || REG8(DL) == 0x02 || REG8(DL) == 0x04 || REG8(DL) == 0x06) {
1.1.1.32 root 13799: SREG(ES) = 0x0001;
13800: i386_load_segment_descriptor(ES);
13801: REG16(DI) = 0x00;
13802: } else if(REG8(DL) == 0x08) {
1.1.1.49 root 13803: // dummy parameter error message read routine is at fffc:0010
13804: SREG(ES) = DUMMY_TOP >> 4;
1.1.1.22 root 13805: i386_load_segment_descriptor(ES);
1.1.1.32 root 13806: REG16(DI) = 0x0010;
1.1.1.22 root 13807: }
13808: break;
1.1.1.29 root 13809: case 0x2f:
13810: if(REG16(DX) != 0) {
1.1.1.30 root 13811: dos_major_version = REG8(DL);
13812: dos_minor_version = REG8(DH);
1.1.1.29 root 13813: } else {
13814: REG8(DL) = 7;
13815: REG8(DH) = 10;
13816: }
13817: break;
13818: // case 0x30: // Windows95 - Find SFT Entry in Internal File Tables
13819: // case 0x31: // Windows95 - Set/Clear "Report Windows to DOS Programs" Flag
1.1.1.22 root 13820: default:
13821: 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));
13822: REG16(AX) = 0x01;
13823: m_CF = 1;
13824: break;
13825: }
13826: }
13827:
1.1.1.30 root 13828: inline void msdos_int_2fh_13h()
13829: {
13830: static UINT16 prevDS = 0, prevDX = 0;
13831: static UINT16 prevES = 0, prevBX = 0;
13832: UINT16 tmp;
13833:
13834: tmp = SREG(DS); SREG(DS) = prevDS; prevDS = tmp;
13835: i386_load_segment_descriptor(DS);
13836: tmp = REG16(DX); REG16(DX) = prevDX; prevDX = tmp;
13837:
13838: tmp = SREG(ES); SREG(ES) = prevES; prevES = tmp;
13839: i386_load_segment_descriptor(ES);
13840: tmp = REG16(BX); REG16(BX) = prevBX; prevBX = tmp;
13841: }
13842:
1.1.1.22 root 13843: inline void msdos_int_2fh_14h()
13844: {
13845: switch(REG8(AL)) {
13846: case 0x00:
1.1.1.29 root 13847: // NLSFUNC.COM is installed
13848: REG8(AL) = 0xff;
1.1.1.25 root 13849: break;
13850: case 0x01:
13851: case 0x03:
13852: REG8(AL) = 0x00;
13853: active_code_page = REG16(BX);
13854: msdos_nls_tables_update();
13855: break;
13856: case 0x02:
13857: REG8(AL) = get_extended_country_info(REG16(BP));
13858: break;
13859: case 0x04:
1.1.1.42 root 13860: for(int i = 0;; i++) {
13861: if(country_table[i].code == REG16(DX)) {
13862: get_country_info((country_info_t *)(mem + SREG_BASE(ES) + REG16(DI)), country_table[i].usPrimaryLanguage, country_table[i].usSubLanguage);
13863: break;
13864: } else if(country_table[i].code == -1) {
13865: get_country_info((country_info_t *)(mem + SREG_BASE(ES) + REG16(DI)));
13866: break;
13867: }
13868: }
1.1.1.25 root 13869: REG8(AL) = 0x00;
1.1.1.22 root 13870: break;
13871: default:
13872: 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));
13873: REG16(AX) = 0x01;
13874: m_CF = 1;
13875: break;
13876: }
13877: }
13878:
13879: inline void msdos_int_2fh_15h()
13880: {
13881: switch(REG8(AL)) {
1.1.1.29 root 13882: case 0x00: // CD-ROM - Installation Check
13883: if(REG16(BX) == 0x0000) {
1.1.1.53 root 13884: #ifdef SUPPORT_MSCDEX
1.1.1.43 root 13885: // MSCDEX is installed
13886: REG16(BX) = 0;
13887: for(int i = 0, n = 0; i < 26; i++) {
1.1.1.44 root 13888: if(msdos_is_cdrom_drive(i)) {
13889: if(REG16(BX) == 0) {
13890: REG16(CX) = i;
1.1.1.43 root 13891: }
1.1.1.44 root 13892: REG16(BX)++;
1.1.1.43 root 13893: }
13894: }
13895: #else
1.1.1.29 root 13896: // MSCDEX is not installed
13897: // REG8(AL) = 0x00;
1.1.1.43 root 13898: #endif
1.1.1.29 root 13899: } else {
13900: // GRAPHICS.COM is not installed
13901: // REG8(AL) = 0x00;
13902: }
1.1.1.22 root 13903: break;
1.1.1.43 root 13904: case 0x0b:
1.1.1.44 root 13905: // this call is available from within DOSSHELL even if MSCDEX is not installed
13906: REG16(AX) = msdos_is_cdrom_drive(REG8(CL)) ? 0x5ad8 : 0x0000;
13907: REG16(BX) = 0xadad;
1.1.1.43 root 13908: break;
13909: case 0x0d:
1.1.1.44 root 13910: for(int i = 0, n = 0; i < 26; i++) {
13911: if(msdos_is_cdrom_drive(i)) {
13912: mem[SREG_BASE(ES) + REG16(BX) + (n++)] = i;
1.1.1.43 root 13913: }
13914: }
13915: break;
1.1.1.22 root 13916: case 0xff:
1.1.1.29 root 13917: if(REG16(BX) == 0x0000) {
13918: // CORELCDX is not installed
13919: } else {
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: }
1.1.1.22 root 13924: break;
1.1.1.21 root 13925: default:
1.1.1.22 root 13926: 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 13927: REG16(AX) = 0x01;
13928: m_CF = 1;
13929: break;
13930: }
13931: }
13932:
1.1 root 13933: inline void msdos_int_2fh_16h()
13934: {
13935: switch(REG8(AL)) {
13936: case 0x00:
1.1.1.14 root 13937: if(no_windows) {
1.1.1.29 root 13938: // neither Windows 3.x enhanced mode nor Windows/386 2.x running
13939: // REG8(AL) = 0x00;
1.1.1.14 root 13940: } else {
1.1.1.30 root 13941: REG8(AL) = win_major_version;
13942: REG8(AH) = win_minor_version;
1.1 root 13943: }
13944: break;
1.1.1.43 root 13945: case 0x05: // Windows Enhanced Mode & 286 DOSX Init Broadcast
1.1.1.30 root 13946: // from DOSBox
13947: i386_set_a20_line(1);
13948: break;
1.1.1.49 root 13949: case 0x06: // Windows Enhanced Mode & 286 DOSX Exit Broadcast
1.1.1.43 root 13950: case 0x08: // Windows Enhanced Mode Init Complete Broadcast
13951: case 0x09: // Windows Enhanced Mode Begin Exit Broadcast
13952: break;
13953: case 0x07:
13954: // Virtual Device Call API
13955: break;
1.1.1.22 root 13956: case 0x0a:
13957: if(!no_windows) {
13958: REG16(AX) = 0x0000;
1.1.1.30 root 13959: REG8(BH) = win_major_version;
13960: REG8(BL) = win_minor_version;
1.1.1.49 root 13961: // REG16(CX) = 0x0002; // standard
1.1.1.22 root 13962: REG16(CX) = 0x0003; // enhanced
13963: }
13964: break;
1.1.1.30 root 13965: case 0x0b:
13966: // no TRS, keep ES:DI = 0000h:0000h
1.1.1.22 root 13967: case 0x0e:
13968: case 0x0f:
1.1.1.30 root 13969: case 0x10:
1.1.1.22 root 13970: case 0x11:
13971: case 0x12:
13972: case 0x13:
13973: case 0x14:
1.1.1.30 root 13974: case 0x15:
1.1.1.43 root 13975: case 0x81:
13976: case 0x82:
1.1.1.44 root 13977: case 0x84:
1.1.1.49 root 13978: case 0x85:
1.1.1.33 root 13979: case 0x86:
1.1.1.22 root 13980: case 0x87:
1.1.1.30 root 13981: case 0x89:
1.1.1.33 root 13982: case 0x8a:
1.1.1.22 root 13983: // function not supported, do not clear AX
13984: break;
1.1.1.14 root 13985: case 0x80:
13986: Sleep(10);
1.1.1.35 root 13987: REQUEST_HARDWRE_UPDATE();
1.1.1.29 root 13988: REG8(AL) = 0x00;
1.1.1.14 root 13989: break;
1.1.1.33 root 13990: case 0x83:
13991: REG16(BX) = 0x01; // system vm id
13992: break;
1.1.1.22 root 13993: case 0x8e:
13994: REG16(AX) = 0x00; // failed
13995: break;
1.1.1.20 root 13996: case 0x8f:
13997: switch(REG8(DH)) {
13998: case 0x01:
1.1.1.49 root 13999: // REG16(AX) = 0x0000; // close command selected but not yet acknowledged
14000: // REG16(AX) = 0x0001; // close command issued and acknowledged
14001: REG16(AX) = 0x168f; // close command not selected -- application should continue
14002: break;
14003: default:
14004: REG16(AX) = 0x0000; // successful
1.1.1.20 root 14005: break;
14006: }
14007: break;
1.1 root 14008: default:
1.1.1.22 root 14009: 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));
14010: REG16(AX) = 0x01;
14011: m_CF = 1;
14012: break;
14013: }
14014: }
14015:
14016: inline void msdos_int_2fh_19h()
14017: {
14018: switch(REG8(AL)) {
14019: case 0x00:
1.1.1.29 root 14020: // SHELLB.COM is not installed
14021: // REG8(AL) = 0x00;
1.1.1.22 root 14022: break;
14023: case 0x01:
14024: case 0x02:
14025: case 0x03:
14026: case 0x04:
14027: REG16(AX) = 0x01;
14028: m_CF = 1;
14029: break;
1.1.1.29 root 14030: case 0x80:
14031: // IBM ROM-DOS v4.0 is not installed
14032: // REG8(AL) = 0x00;
14033: break;
1.1.1.22 root 14034: default:
14035: 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 14036: REG16(AX) = 0x01;
1.1.1.3 root 14037: m_CF = 1;
1.1 root 14038: break;
14039: }
14040: }
14041:
14042: inline void msdos_int_2fh_1ah()
14043: {
14044: switch(REG8(AL)) {
14045: case 0x00:
1.1.1.29 root 14046: // ANSI.SYS is installed
1.1 root 14047: REG8(AL) = 0xff;
14048: break;
1.1.1.49 root 14049: case 0x01:
1.1.1.50 root 14050: if(REG8(CL) == 0x5f) {
14051: // set display information
14052: if(*(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x02) >= 14) {
14053: int cur_width = *(UINT16 *)(mem + 0x44a) + 0;
14054: int cur_height = *(UINT8 *)(mem + 0x484) + 1;
14055: int new_width = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0e); // character columns
14056: int new_height = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x10); // character rows
14057:
14058: if(cur_width != new_width || cur_height != new_height) {
14059: pcbios_set_console_size(new_width, new_height, true);
14060: }
14061: }
14062: } else if(REG8(CL) == 0x7f) {
1.1.1.49 root 14063: // get display information
1.1.1.50 root 14064: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x00) = 0; // level (0 for DOS 4.x-6.0)
14065: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x01) = 0; // reserved (0)
14066: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x02) = 14; // length of following data (14)
14067: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x04) = 1; // bit 0 set for blink, clear for intensity
14068: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x06) = 1; // mode type (1=text, 2=graphics)
14069: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x07) = 0; // reserved (0)
14070: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x08) = 4; // 4 bits per pixel
14071: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0a) = 8 * (*(UINT16 *)(mem + 0x44a) + 0); // pixel columns
14072: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0c) = 16 * (*(UINT8 *)(mem + 0x484) + 1); // pixel rows
14073: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0e) = *(UINT16 *)(mem + 0x44a) + 0; // character columns
14074: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x10) = *(UINT8 *)(mem + 0x484) + 1; // character rows
1.1.1.49 root 14075: } else {
14076: 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));
14077: REG16(AX) = 0x01;
14078: m_CF = 1;
14079: }
14080: break;
1.1 root 14081: default:
1.1.1.22 root 14082: 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));
14083: REG16(AX) = 0x01;
14084: m_CF = 1;
14085: break;
14086: }
14087: }
14088:
1.1.1.30 root 14089: inline void msdos_int_2fh_40h()
1.1.1.22 root 14090: {
14091: switch(REG8(AL)) {
14092: case 0x00:
1.1.1.30 root 14093: // Windows 3+ - Get Virtual Device Driver (VDD) Capabilities
14094: REG8(AL) = 0x01; // does not virtualize video access
1.1.1.22 root 14095: break;
1.1.1.43 root 14096: case 0x10:
14097: // OS/2 v2.0+ - Installation Check
14098: REG16(AX) = 0x01;
14099: m_CF = 1;
14100: break;
1.1.1.22 root 14101: default:
14102: 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 14103: REG16(AX) = 0x01;
1.1.1.3 root 14104: m_CF = 1;
1.1 root 14105: break;
14106: }
14107: }
14108:
14109: inline void msdos_int_2fh_43h()
14110: {
14111: switch(REG8(AL)) {
14112: case 0x00:
1.1.1.29 root 14113: // XMS is installed ?
1.1.1.19 root 14114: #ifdef SUPPORT_XMS
14115: if(support_xms) {
14116: REG8(AL) = 0x80;
1.1.1.44 root 14117: }
14118: #endif
14119: break;
14120: case 0x08:
14121: #ifdef SUPPORT_XMS
14122: if(support_xms) {
14123: REG8(AL) = 0x43;
14124: REG8(BL) = 0x01; // IBM PC/AT
14125: REG8(BH) = 0x01; // Fast AT A20 switch time
14126: }
1.1.1.19 root 14127: #endif
14128: break;
14129: case 0x10:
14130: SREG(ES) = XMS_TOP >> 4;
14131: i386_load_segment_descriptor(ES);
1.1.1.26 root 14132: REG16(BX) = 0x15;
1.1 root 14133: break;
1.1.1.44 root 14134: case 0xe0:
14135: // DOS Protected Mode Services (DPMS) v1.0 is not installed
14136: if(REG16(BX) == 0x0000 && REG16(CX) == 0x4450 && REG16(DX) == 0x4d53) {
14137: break;
14138: }
1.1 root 14139: default:
1.1.1.22 root 14140: 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));
14141: REG16(AX) = 0x01;
14142: m_CF = 1;
14143: break;
14144: }
14145: }
14146:
14147: inline void msdos_int_2fh_46h()
14148: {
14149: switch(REG8(AL)) {
14150: case 0x80:
1.1.1.29 root 14151: // Windows v3.0 is not installed
14152: // REG8(AL) = 0x00;
1.1.1.22 root 14153: break;
14154: default:
14155: 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));
14156: REG16(AX) = 0x01;
14157: m_CF = 1;
14158: break;
14159: }
14160: }
14161:
14162: inline void msdos_int_2fh_48h()
14163: {
14164: switch(REG8(AL)) {
14165: case 0x00:
1.1.1.29 root 14166: // DOSKEY is not installed
14167: // REG8(AL) = 0x00;
1.1.1.22 root 14168: break;
14169: case 0x10:
14170: msdos_int_21h_0ah();
14171: REG16(AX) = 0x00;
14172: break;
14173: default:
14174: 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 14175: REG16(AX) = 0x01;
1.1.1.3 root 14176: m_CF = 1;
1.1 root 14177: break;
14178: }
14179: }
14180:
14181: inline void msdos_int_2fh_4ah()
14182: {
14183: switch(REG8(AL)) {
1.1.1.29 root 14184: #ifdef SUPPORT_HMA
14185: case 0x01: // DOS 5.0+ - Query Free HMA Space
14186: if(!is_hma_used_by_xms && !is_hma_used_by_int_2fh) {
14187: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
14188: // restore first free mcb in high memory area
14189: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
14190: }
14191: int offset = 0xffff;
14192: if((REG16(BX) = msdos_hma_mem_get_free(&offset)) != 0) {
14193: REG16(DI) = offset + 0x10;
14194: } else {
14195: REG16(DI) = 0xffff;
14196: }
14197: } else {
14198: // HMA is already used
14199: REG16(BX) = 0;
14200: REG16(DI) = 0xffff;
14201: }
14202: SREG(ES) = 0xffff;
14203: i386_load_segment_descriptor(ES);
14204: break;
14205: case 0x02: // DOS 5.0+ - Allocate HMA Space
14206: if(!is_hma_used_by_xms && !is_hma_used_by_int_2fh) {
14207: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
14208: // restore first free mcb in high memory area
14209: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
14210: }
14211: int size = REG16(BX), offset;
14212: if((size % 16) != 0) {
14213: size &= ~15;
14214: size += 16;
14215: }
14216: if((offset = msdos_hma_mem_alloc(size, current_psp)) != -1) {
14217: REG16(BX) = size;
14218: REG16(DI) = offset + 0x10;
14219: is_hma_used_by_int_2fh = true;
14220: } else {
14221: REG16(BX) = 0;
14222: REG16(DI) = 0xffff;
14223: }
14224: } else {
14225: // HMA is already used
14226: REG16(BX) = 0;
14227: REG16(DI) = 0xffff;
14228: }
14229: SREG(ES) = 0xffff;
14230: i386_load_segment_descriptor(ES);
14231: break;
14232: case 0x03: // Windows95 - (De)Allocate HMA Memory Block
14233: if(REG8(DL) == 0x00) {
14234: if(!is_hma_used_by_xms) {
14235: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
14236: // restore first free mcb in high memory area
14237: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
14238: is_hma_used_by_int_2fh = false;
14239: }
14240: int size = REG16(BX), offset;
14241: if((size % 16) != 0) {
14242: size &= ~15;
14243: size += 16;
14244: }
14245: if((offset = msdos_hma_mem_alloc(size, REG16(CX))) != -1) {
14246: // REG16(BX) = size;
14247: SREG(ES) = 0xffff;
14248: i386_load_segment_descriptor(ES);
14249: REG16(DI) = offset + 0x10;
14250: is_hma_used_by_int_2fh = true;
14251: } else {
14252: REG16(DI) = 0xffff;
14253: }
14254: } else {
14255: REG16(DI) = 0xffff;
14256: }
14257: } else if(REG8(DL) == 0x01) {
14258: if(!is_hma_used_by_xms) {
14259: int size = REG16(BX);
14260: if((size % 16) != 0) {
14261: size &= ~15;
14262: size += 16;
14263: }
14264: if(msdos_hma_mem_realloc(SREG_BASE(ES) + REG16(DI) - 0xffff0 - 0x10, size) != -1) {
14265: // memory block address is not changed
14266: } else {
14267: REG16(DI) = 0xffff;
14268: }
14269: } else {
14270: REG16(DI) = 0xffff;
14271: }
14272: } else if(REG8(DL) == 0x02) {
14273: if(!is_hma_used_by_xms) {
14274: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
14275: // restore first free mcb in high memory area
14276: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
14277: is_hma_used_by_int_2fh = false;
14278: } else {
14279: msdos_hma_mem_free(SREG_BASE(ES) + REG16(DI) - 0xffff0 - 0x10);
14280: if(msdos_hma_mem_get_free(NULL) == 0xffe0) {
14281: is_hma_used_by_int_2fh = false;
14282: }
14283: }
14284: }
14285: } else {
14286: 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));
14287: REG16(AX) = 0x01;
14288: m_CF = 1;
14289: }
14290: break;
14291: case 0x04: // Windows95 - Get Start of HMA Memory Chain
14292: if(!is_hma_used_by_xms) {
14293: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
14294: // restore first free mcb in high memory area
14295: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
14296: is_hma_used_by_int_2fh = false;
14297: }
14298: REG16(AX) = 0x0000;
14299: SREG(ES) = 0xffff;
14300: i386_load_segment_descriptor(ES);
14301: REG16(DI) = 0x10;
14302: }
14303: break;
14304: #else
1.1 root 14305: case 0x01:
14306: case 0x02:
1.1.1.29 root 14307: // HMA is already used
1.1.1.27 root 14308: REG16(BX) = 0x0000;
1.1.1.3 root 14309: SREG(ES) = 0xffff;
14310: i386_load_segment_descriptor(ES);
1.1 root 14311: REG16(DI) = 0xffff;
14312: break;
1.1.1.19 root 14313: case 0x03:
14314: // unable to allocate
14315: REG16(DI) = 0xffff;
14316: break;
14317: case 0x04:
14318: // function not supported, do not clear AX
14319: break;
1.1.1.29 root 14320: #endif
14321: case 0x10:
1.1.1.42 root 14322: switch(REG16(BX)) {
14323: case 0x0000:
14324: case 0x0001:
14325: case 0x0002:
14326: case 0x0003:
14327: case 0x0004:
14328: case 0x0005:
14329: case 0x0006:
14330: case 0x0007:
14331: case 0x0008:
14332: case 0x000a:
14333: case 0x1234:
14334: // SMARTDRV v4.00+ is not installed
14335: break;
14336: default:
1.1.1.29 root 14337: 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));
14338: REG16(AX) = 0x01;
14339: m_CF = 1;
1.1.1.42 root 14340: break;
1.1.1.29 root 14341: }
14342: break;
14343: case 0x11:
1.1.1.42 root 14344: switch(REG16(BX)) {
14345: case 0x0000:
14346: case 0x0001:
14347: case 0x0002:
14348: case 0x0003:
14349: case 0x0004:
14350: case 0x0005:
14351: case 0x0006:
14352: case 0x0007:
14353: case 0x0008:
14354: case 0x0009:
14355: case 0x000a:
14356: case 0x000b:
14357: case 0xfffe:
14358: case 0xffff:
1.1.1.29 root 14359: // DBLSPACE.BIN is not installed
1.1.1.42 root 14360: break;
14361: default:
14362: 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));
14363: REG16(AX) = 0x01;
14364: m_CF = 1;
14365: break;
14366: }
14367: break;
14368: case 0x12:
14369: if(REG16(CX) == 0x4d52 && REG16(DX) == 0x4349) {
14370: // Microsoft Realtime Compression Interface (MRCI) is not installed
14371: } else if(REG16(CX) == 0x5354 && REG16(DX) == 0x4143) {
14372: // Stacker 4 LZS Compression Interface (LZSAPI) is not installed
1.1.1.29 root 14373: } else {
14374: 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));
14375: REG16(AX) = 0x01;
14376: m_CF = 1;
14377: }
1.1.1.22 root 14378: break;
1.1.1.42 root 14379: case 0x13:
14380: // DBLSPACE.BIN is not installed
14381: break;
1.1.1.22 root 14382: default:
14383: 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));
14384: REG16(AX) = 0x01;
14385: m_CF = 1;
14386: break;
14387: }
14388: }
14389:
14390: inline void msdos_int_2fh_4bh()
14391: {
14392: switch(REG8(AL)) {
1.1.1.24 root 14393: case 0x01:
1.1.1.22 root 14394: case 0x02:
1.1.1.29 root 14395: // Task Switcher is not installed
1.1.1.24 root 14396: break;
14397: case 0x03:
14398: // this call is available from within DOSSHELL even if the task switcher is not installed
14399: REG16(AX) = REG16(BX) = 0x0000; // no more avaiable switcher id
1.1.1.22 root 14400: break;
1.1.1.30 root 14401: case 0x04:
14402: REG16(BX) = 0x0000; // free switcher id successfully
14403: break;
1.1.1.43 root 14404: case 0x05:
14405: REG16(BX) = 0x0000; // no instance data chain
14406: SREG(ES) = 0x0000;
14407: i386_load_segment_descriptor(ES);
14408: break;
1.1 root 14409: default:
1.1.1.22 root 14410: 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 14411: REG16(AX) = 0x01;
1.1.1.3 root 14412: m_CF = 1;
1.1 root 14413: break;
14414: }
14415: }
14416:
1.1.1.44 root 14417: inline void msdos_int_2fh_4dh()
14418: {
14419: switch(REG8(AL)) {
14420: case 0x00:
14421: // KKCFUNC is not installed ???
14422: break;
14423: default:
14424: // 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));
14425: REG16(AX) = 0x01; // invalid function
14426: m_CF = 1;
14427: break;
14428: }
14429: }
14430:
1.1 root 14431: inline void msdos_int_2fh_4fh()
14432: {
14433: switch(REG8(AL)) {
14434: case 0x00:
1.1.1.29 root 14435: // BILING is installed
1.1.1.27 root 14436: REG16(AX) = 0x0000;
14437: REG8(DL) = 0x01; // major version
14438: REG8(DH) = 0x00; // minor version
1.1 root 14439: break;
14440: case 0x01:
1.1.1.27 root 14441: REG16(AX) = 0x0000;
1.1 root 14442: REG16(BX) = active_code_page;
14443: break;
14444: default:
1.1.1.22 root 14445: 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));
14446: REG16(AX) = 0x01;
14447: m_CF = 1;
14448: break;
14449: }
14450: }
14451:
14452: inline void msdos_int_2fh_55h()
14453: {
14454: switch(REG8(AL)) {
14455: case 0x00:
14456: case 0x01:
14457: // 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));
14458: break;
14459: default:
14460: 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 14461: REG16(AX) = 0x01;
1.1.1.3 root 14462: m_CF = 1;
1.1 root 14463: break;
14464: }
14465: }
14466:
1.1.1.44 root 14467: inline void msdos_int_2fh_56h()
14468: {
14469: switch(REG8(AL)) {
14470: case 0x00:
14471: // INTERLNK is not installed
14472: break;
14473: case 0x01:
14474: // this call is available from within SCANDISK even if INTERLNK is not installed
14475: // if(msdos_is_remote_drive(REG8(BH))) {
14476: // REG8(AL) = 0x00;
14477: // }
14478: break;
14479: default:
14480: 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));
14481: REG16(AX) = 0x01;
14482: m_CF = 1;
14483: break;
14484: }
14485: }
14486:
1.1.1.24 root 14487: inline void msdos_int_2fh_adh()
14488: {
14489: switch(REG8(AL)) {
14490: case 0x00:
1.1.1.29 root 14491: // DISPLAY.SYS is installed
1.1.1.24 root 14492: REG8(AL) = 0xff;
14493: REG16(BX) = 0x100; // ???
14494: break;
14495: case 0x01:
14496: active_code_page = REG16(BX);
14497: msdos_nls_tables_update();
14498: REG16(AX) = 0x01;
14499: break;
14500: case 0x02:
14501: REG16(BX) = active_code_page;
14502: break;
14503: case 0x03:
14504: // FIXME
14505: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 1;
14506: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2) = 3;
14507: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4) = 1;
14508: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 6) = active_code_page;
14509: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 8) = active_code_page;
14510: break;
14511: case 0x80:
1.1.1.49 root 14512: // KEYB.COM is not installed
14513: break;
1.1.1.24 root 14514: default:
14515: 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));
14516: REG16(AX) = 0x01;
14517: m_CF = 1;
14518: break;
14519: }
14520: }
14521:
1.1 root 14522: inline void msdos_int_2fh_aeh()
14523: {
14524: switch(REG8(AL)) {
14525: case 0x00:
1.1.1.28 root 14526: // FIXME: we need to check the given command line
14527: REG8(AL) = 0x00; // the command should be executed as usual
14528: // REG8(AL) = 0xff; // this command is a TSR extension to COMMAND.COM
1.1 root 14529: break;
14530: case 0x01:
14531: {
14532: char command[MAX_PATH];
14533: memset(command, 0, sizeof(command));
1.1.1.3 root 14534: memcpy(command, mem + SREG_BASE(DS) + REG16(SI) + 1, mem[SREG_BASE(DS) + REG16(SI)]);
1.1 root 14535:
14536: param_block_t *param = (param_block_t *)(mem + WORK_TOP);
14537: param->env_seg = 0;
14538: param->cmd_line.w.l = 44;
14539: param->cmd_line.w.h = (WORK_TOP >> 4);
14540: param->fcb1.w.l = 24;
14541: param->fcb1.w.h = (WORK_TOP >> 4);
14542: param->fcb2.w.l = 24;
14543: param->fcb2.w.h = (WORK_TOP >> 4);
14544:
14545: memset(mem + WORK_TOP + 24, 0x20, 20);
14546:
14547: cmd_line_t *cmd_line = (cmd_line_t *)(mem + WORK_TOP + 44);
1.1.1.3 root 14548: cmd_line->len = mem[SREG_BASE(DS) + REG16(BX) + 1];
14549: memcpy(cmd_line->cmd, mem + SREG_BASE(DS) + REG16(BX) + 2, cmd_line->len);
1.1 root 14550: cmd_line->cmd[cmd_line->len] = 0x0d;
14551:
1.1.1.28 root 14552: try {
14553: msdos_process_exec(command, param, 0);
14554: } catch(...) {
14555: fatalerror("failed to start '%s' by int 2Fh, AX=AE01h\n", command);
1.1 root 14556: }
14557: }
14558: break;
14559: default:
1.1.1.22 root 14560: 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 14561: REG16(AX) = 0x01;
1.1.1.3 root 14562: m_CF = 1;
1.1 root 14563: break;
14564: }
14565: }
14566:
1.1.1.34 root 14567: inline void msdos_int_2fh_b7h()
14568: {
14569: switch(REG8(AL)) {
14570: case 0x00:
14571: // APPEND is not installed
14572: // REG8(AL) = 0x00;
14573: break;
1.1.1.44 root 14574: case 0x06:
14575: REG16(BX) = 0x0000;
14576: break;
1.1.1.34 root 14577: case 0x07:
1.1.1.43 root 14578: case 0x11:
1.1.1.34 root 14579: // COMMAND.COM calls this service without checking APPEND is installed
14580: break;
14581: default:
14582: 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));
14583: REG16(AX) = 0x01;
14584: m_CF = 1;
14585: break;
14586: }
14587: }
14588:
1.1.1.24 root 14589: inline void msdos_int_33h_0000h()
14590: {
14591: REG16(AX) = 0xffff; // hardware/driver installed
14592: REG16(BX) = MAX_MOUSE_BUTTONS;
14593: }
14594:
14595: inline void msdos_int_33h_0001h()
14596: {
1.1.1.34 root 14597: if(mouse.hidden > 0) {
14598: mouse.hidden--;
14599: }
14600: if(mouse.hidden == 0) {
1.1.1.24 root 14601: if(!(dwConsoleMode & ENABLE_MOUSE_INPUT)) {
14602: SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), dwConsoleMode | ENABLE_MOUSE_INPUT);
14603: }
14604: pic[1].imr &= ~0x10; // enable irq12
14605: }
14606: }
14607:
14608: inline void msdos_int_33h_0002h()
14609: {
1.1.1.34 root 14610: mouse.hidden++;
14611: // SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), dwConsoleMode & ~ENABLE_MOUSE_INPUT);
14612: pic[1].imr |= 0x10; // enable irq12
1.1.1.24 root 14613: }
14614:
14615: inline void msdos_int_33h_0003h()
14616: {
1.1.1.34 root 14617: // if(mouse.hidden > 0) {
14618: update_console_input();
14619: // }
1.1.1.24 root 14620: REG16(BX) = mouse.get_buttons();
1.1.1.34 root 14621: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.position.x));
14622: REG16(DX) = max(mouse.min_position.y & ~7, min(mouse.max_position.y & ~7, mouse.position.y));
14623: }
14624:
14625: inline void msdos_int_33h_0004h()
14626: {
14627: mouse.position.x = REG16(CX);
14628: mouse.position.x = REG16(DX);
1.1.1.24 root 14629: }
14630:
14631: inline void msdos_int_33h_0005h()
14632: {
1.1.1.34 root 14633: // if(mouse.hidden > 0) {
14634: update_console_input();
14635: // }
1.1.1.24 root 14636: if(REG16(BX) < MAX_MOUSE_BUTTONS) {
14637: int idx = REG16(BX);
1.1.1.34 root 14638: REG16(BX) = min(mouse.buttons[idx].pressed_times, 0x7fff);
14639: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.buttons[idx].pressed_position.x));
14640: 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 14641: mouse.buttons[idx].pressed_times = 0;
14642: } else {
14643: REG16(BX) = REG16(CX) = REG16(DX) = 0x0000;
14644: }
14645: REG16(AX) = mouse.get_buttons();
14646: }
14647:
14648: inline void msdos_int_33h_0006h()
14649: {
1.1.1.34 root 14650: // if(mouse.hidden > 0) {
14651: update_console_input();
14652: // }
1.1.1.24 root 14653: if(REG16(BX) < MAX_MOUSE_BUTTONS) {
14654: int idx = REG16(BX);
1.1.1.34 root 14655: REG16(BX) = min(mouse.buttons[idx].released_times, 0x7fff);
14656: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.buttons[idx].released_position.x));
14657: 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 14658: mouse.buttons[idx].released_times = 0;
14659: } else {
14660: REG16(BX) = REG16(CX) = REG16(DX) = 0x0000;
14661: }
14662: REG16(AX) = mouse.get_buttons();
14663: }
14664:
14665: inline void msdos_int_33h_0007h()
14666: {
14667: mouse.min_position.x = min(REG16(CX), REG16(DX));
14668: mouse.max_position.x = max(REG16(CX), REG16(DX));
14669: }
14670:
14671: inline void msdos_int_33h_0008h()
14672: {
14673: mouse.min_position.y = min(REG16(CX), REG16(DX));
14674: mouse.max_position.y = max(REG16(CX), REG16(DX));
14675: }
14676:
14677: inline void msdos_int_33h_0009h()
14678: {
14679: mouse.hot_spot[0] = REG16(BX);
14680: mouse.hot_spot[1] = REG16(CX);
14681: }
14682:
1.1.1.49 root 14683: inline void msdos_int_33h_000ah()
14684: {
14685: mouse.screen_mask = REG16(CX);
14686: mouse.cursor_mask = REG16(DX);
14687: }
14688:
1.1.1.24 root 14689: inline void msdos_int_33h_000bh()
14690: {
1.1.1.34 root 14691: // if(mouse.hidden > 0) {
14692: update_console_input();
14693: // }
1.1.1.24 root 14694: int dx = (mouse.position.x - mouse.prev_position.x) * mouse.mickey.x / 8;
14695: int dy = (mouse.position.y - mouse.prev_position.y) * mouse.mickey.y / 8;
14696: mouse.prev_position.x = mouse.position.x;
14697: mouse.prev_position.y = mouse.position.y;
14698: REG16(CX) = dx;
14699: REG16(DX) = dy;
14700: }
14701:
14702: inline void msdos_int_33h_000ch()
14703: {
14704: mouse.call_mask = REG16(CX);
14705: mouse.call_addr.w.l = REG16(DX);
14706: mouse.call_addr.w.h = SREG(ES);
14707: }
14708:
14709: inline void msdos_int_33h_000fh()
14710: {
14711: mouse.mickey.x = REG16(CX);
14712: mouse.mickey.y = REG16(DX);
14713: }
14714:
14715: inline void msdos_int_33h_0011h()
14716: {
14717: REG16(AX) = 0xffff;
14718: REG16(BX) = MAX_MOUSE_BUTTONS;
14719: }
14720:
14721: inline void msdos_int_33h_0014h()
14722: {
14723: UINT16 old_mask = mouse.call_mask;
14724: UINT16 old_ofs = mouse.call_addr.w.l;
14725: UINT16 old_seg = mouse.call_addr.w.h;
14726:
14727: mouse.call_mask = REG16(CX);
14728: mouse.call_addr.w.l = REG16(DX);
14729: mouse.call_addr.w.h = SREG(ES);
14730:
14731: REG16(CX) = old_mask;
14732: REG16(DX) = old_ofs;
14733: SREG(ES) = old_seg;
14734: i386_load_segment_descriptor(ES);
14735: }
14736:
14737: inline void msdos_int_33h_0015h()
14738: {
14739: REG16(BX) = sizeof(mouse);
14740: }
14741:
14742: inline void msdos_int_33h_0016h()
14743: {
14744: memcpy(mem + SREG_BASE(ES) + REG16(DX), &mouse, sizeof(mouse));
14745: }
14746:
14747: inline void msdos_int_33h_0017h()
14748: {
14749: memcpy(&mouse, mem + SREG_BASE(ES) + REG16(DX), sizeof(mouse));
14750: }
14751:
1.1.1.43 root 14752: inline void msdos_int_33h_0018h()
14753: {
14754: for(int i = 0; i < 8; i++) {
14755: if(REG16(CX) & (1 << i)) {
14756: if(mouse.call_addr_alt[i].dw && !(REG16(DX) == 0 && SREG(ES) == 0)) {
14757: // event handler already exists
14758: REG16(AX) = 0xffff;
14759: break;
14760: }
14761: mouse.call_addr_alt[i].w.l = REG16(DX);
14762: mouse.call_addr_alt[i].w.h = SREG(ES);
14763: }
14764: }
14765: }
14766:
14767: inline void msdos_int_33h_0019h()
14768: {
14769: UINT16 call_mask = REG16(CX);
14770:
14771: REG16(CX) = 0;
14772:
14773: for(int i = 0; i < 8; i++) {
14774: if((call_mask & (1 << i)) && mouse.call_addr_alt[i].dw) {
14775: for(int j = 0; j < 8; j++) {
14776: if((call_mask & (1 << j)) && mouse.call_addr_alt[i].dw == mouse.call_addr_alt[j].dw) {
14777: REG16(CX) |= (1 << j);
14778: }
14779: }
14780: REG16(DX) = mouse.call_addr_alt[i].w.l;
14781: REG16(BX) = mouse.call_addr_alt[i].w.h;
14782: break;
14783: }
14784: }
14785: }
14786:
1.1.1.24 root 14787: inline void msdos_int_33h_001ah()
14788: {
14789: mouse.sensitivity[0] = REG16(BX);
14790: mouse.sensitivity[1] = REG16(CX);
14791: mouse.sensitivity[2] = REG16(DX);
14792: }
14793:
14794: inline void msdos_int_33h_001bh()
14795: {
14796: REG16(BX) = mouse.sensitivity[0];
14797: REG16(CX) = mouse.sensitivity[1];
14798: REG16(DX) = mouse.sensitivity[2];
14799: }
14800:
14801: inline void msdos_int_33h_001dh()
14802: {
14803: mouse.display_page = REG16(BX);
14804: }
14805:
14806: inline void msdos_int_33h_001eh()
14807: {
14808: REG16(BX) = mouse.display_page;
14809: }
14810:
1.1.1.34 root 14811: inline void msdos_int_33h_001fh()
14812: {
14813: // from DOSBox
14814: REG16(BX) = 0x0000;
14815: SREG(ES) = 0x0000;
14816: i386_load_segment_descriptor(ES);
14817: mouse.enabled = false;
14818: mouse.old_hidden = mouse.hidden;
14819: mouse.hidden = 1;
14820: }
14821:
14822: inline void msdos_int_33h_0020h()
14823: {
14824: // from DOSBox
14825: mouse.enabled = true;
14826: mouse.hidden = mouse.old_hidden;
14827: }
14828:
1.1.1.24 root 14829: inline void msdos_int_33h_0021h()
14830: {
14831: REG16(AX) = 0xffff;
14832: REG16(BX) = MAX_MOUSE_BUTTONS;
14833: }
14834:
14835: inline void msdos_int_33h_0022h()
14836: {
14837: mouse.language = REG16(BX);
14838: }
14839:
14840: inline void msdos_int_33h_0023h()
14841: {
14842: REG16(BX) = mouse.language;
14843: }
14844:
14845: inline void msdos_int_33h_0024h()
14846: {
14847: REG16(BX) = 0x0805; // V8.05
14848: REG16(CX) = 0x0400; // PS/2
14849: }
14850:
1.1.1.49 root 14851: inline void msdos_int_33h_0025h()
14852: {
14853: REG16(AX) = 0x8000; // driver (not TSR), software text cursor
14854: }
14855:
1.1.1.24 root 14856: inline void msdos_int_33h_0026h()
14857: {
14858: REG16(BX) = 0x0000;
14859: REG16(CX) = mouse.max_position.x;
14860: REG16(DX) = mouse.max_position.y;
14861: }
14862:
1.1.1.49 root 14863: inline void msdos_int_33h_0027h()
14864: {
14865: // if(mouse.hidden > 0) {
14866: update_console_input();
14867: // }
14868: int dx = (mouse.position.x - mouse.prev_position.x) * mouse.mickey.x / 8;
14869: int dy = (mouse.position.y - mouse.prev_position.y) * mouse.mickey.y / 8;
14870: mouse.prev_position.x = mouse.position.x;
14871: mouse.prev_position.y = mouse.position.y;
14872: REG16(AX) = mouse.screen_mask;
14873: REG16(BX) = mouse.cursor_mask;
14874: REG16(CX) = dx;
14875: REG16(DX) = dy;
14876: }
14877:
14878: inline void msdos_int_33h_0028h()
14879: {
14880: if(REG16(CX) != 0) {
14881: UINT8 tmp = REG8(AL);
14882: REG8(AL) = REG8(CL);
14883: pcbios_int_10h_00h();
14884: REG8(AL) = tmp;
14885: }
14886: REG8(CL) = 0x00; // successful
14887: }
14888:
14889: inline void msdos_int_33h_0029h()
14890: {
14891: switch(REG16(CX)) {
14892: case 0x0000:
14893: REG16(CX) = 0x0003;
14894: sprintf((char *)(mem + WORK_TOP), "TEXT Mode (80x25)$");
14895: break;
14896: case 0x0003:
14897: REG16(CX) = 0x0070;
14898: sprintf((char *)(mem + WORK_TOP), "V-TEXT Mode (%dx%d)$", scr_width, scr_height);
14899: break;
14900: case 0x0070:
14901: REG16(CX) = 0x0071;
14902: sprintf((char *)(mem + WORK_TOP), "Extended CGA V-TEXT Mode (%dx%d)$", scr_width, scr_height);
14903: break;
14904: case 0x0071:
14905: REG16(CX) = 0x0073;
14906: sprintf((char *)(mem + WORK_TOP), "Extended CGA TEXT Mode (80x25)$");
14907: break;
14908: default:
14909: REG16(CX) = 0x0000;
14910: break;
14911: }
14912: if(REG16(CX) != 0) {
14913: SREG(DS) = (WORK_TOP >> 4);
14914: } else {
14915: SREG(DS) = 0x0000;
14916: }
14917: i386_load_segment_descriptor(DS);
14918: REG16(DX) = 0x0000;
14919: }
14920:
1.1.1.24 root 14921: inline void msdos_int_33h_002ah()
14922: {
1.1.1.34 root 14923: REG16(AX) = -mouse.hidden;
1.1.1.24 root 14924: REG16(BX) = mouse.hot_spot[0];
14925: REG16(CX) = mouse.hot_spot[1];
14926: REG16(DX) = 4; // PS/2
14927: }
14928:
14929: inline void msdos_int_33h_0031h()
14930: {
14931: REG16(AX) = mouse.min_position.x;
14932: REG16(BX) = mouse.min_position.y;
14933: REG16(CX) = mouse.max_position.x;
14934: REG16(DX) = mouse.max_position.y;
14935: }
14936:
14937: inline void msdos_int_33h_0032h()
14938: {
14939: REG16(AX) = 0;
1.1.1.49 root 14940: REG16(AX) |= 0x8000; // 0025h
1.1.1.24 root 14941: REG16(AX) |= 0x4000; // 0026h
1.1.1.49 root 14942: REG16(AX) |= 0x2000; // 0027h
1.1.1.24 root 14943: // REG16(AX) |= 0x1000; // 0028h
14944: // REG16(AX) |= 0x0800; // 0029h
14945: REG16(AX) |= 0x0400; // 002ah
14946: // REG16(AX) |= 0x0200; // 002bh
14947: // REG16(AX) |= 0x0100; // 002ch
14948: // REG16(AX) |= 0x0080; // 002dh
14949: // REG16(AX) |= 0x0040; // 002eh
14950: REG16(AX) |= 0x0020; // 002fh
14951: // REG16(AX) |= 0x0010; // 0030h
14952: REG16(AX) |= 0x0008; // 0031h
14953: REG16(AX) |= 0x0004; // 0032h
14954: // REG16(AX) |= 0x0002; // 0033h
14955: // REG16(AX) |= 0x0001; // 0034h
14956: }
14957:
1.1.1.49 root 14958: inline void msdos_int_33h_004dh()
14959: {
14960: strcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), "Copyright 2017 MS-DOS Player");
14961: }
14962:
14963: inline void msdos_int_33h_006dh()
14964: {
14965: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x08; // V8.05
14966: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = 0x05;
14967: }
14968:
1.1.1.19 root 14969: inline void msdos_int_67h_40h()
14970: {
14971: if(!support_ems) {
14972: REG8(AH) = 0x84;
14973: } else {
14974: REG8(AH) = 0x00;
14975: }
14976: }
14977:
14978: inline void msdos_int_67h_41h()
14979: {
14980: if(!support_ems) {
14981: REG8(AH) = 0x84;
14982: } else {
14983: REG8(AH) = 0x00;
14984: REG16(BX) = EMS_TOP >> 4;
14985: }
14986: }
14987:
14988: inline void msdos_int_67h_42h()
14989: {
14990: if(!support_ems) {
14991: REG8(AH) = 0x84;
14992: } else {
14993: REG8(AH) = 0x00;
14994: REG16(BX) = free_ems_pages;
14995: REG16(DX) = MAX_EMS_PAGES;
14996: }
14997: }
14998:
14999: inline void msdos_int_67h_43h()
15000: {
15001: if(!support_ems) {
15002: REG8(AH) = 0x84;
15003: } else if(REG16(BX) > MAX_EMS_PAGES) {
15004: REG8(AH) = 0x87;
15005: } else if(REG16(BX) > free_ems_pages) {
15006: REG8(AH) = 0x88;
15007: } else if(REG16(BX) == 0) {
15008: REG8(AH) = 0x89;
15009: } else {
1.1.1.31 root 15010: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 15011: if(!ems_handles[i].allocated) {
15012: ems_allocate_pages(i, REG16(BX));
15013: REG8(AH) = 0x00;
15014: REG16(DX) = i;
15015: return;
15016: }
15017: }
15018: REG8(AH) = 0x85;
15019: }
15020: }
15021:
15022: inline void msdos_int_67h_44h()
15023: {
15024: if(!support_ems) {
15025: REG8(AH) = 0x84;
1.1.1.31 root 15026: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 15027: REG8(AH) = 0x83;
15028: } else if(!(REG16(BX) == 0xffff || REG16(BX) < ems_handles[REG16(DX)].pages)) {
15029: REG8(AH) = 0x8a;
15030: // } else if(!(REG8(AL) < 4)) {
15031: // REG8(AH) = 0x8b;
15032: } else if(REG16(BX) == 0xffff) {
15033: ems_unmap_page(REG8(AL) & 3);
15034: REG8(AH) = 0x00;
15035: } else {
15036: ems_map_page(REG8(AL) & 3, REG16(DX), REG16(BX));
15037: REG8(AH) = 0x00;
15038: }
15039: }
15040:
15041: inline void msdos_int_67h_45h()
15042: {
15043: if(!support_ems) {
15044: REG8(AH) = 0x84;
1.1.1.31 root 15045: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 15046: REG8(AH) = 0x83;
15047: } else {
15048: ems_release_pages(REG16(DX));
15049: REG8(AH) = 0x00;
15050: }
15051: }
15052:
15053: inline void msdos_int_67h_46h()
15054: {
15055: if(!support_ems) {
15056: REG8(AH) = 0x84;
15057: } else {
1.1.1.29 root 15058: // REG16(AX) = 0x0032; // EMS 3.2
15059: REG16(AX) = 0x0040; // EMS 4.0
1.1.1.19 root 15060: }
15061: }
15062:
15063: inline void msdos_int_67h_47h()
15064: {
15065: // NOTE: the map data should be stored in the specified ems page, not process data
15066: process_t *process = msdos_process_info_get(current_psp);
15067:
15068: if(!support_ems) {
15069: REG8(AH) = 0x84;
1.1.1.31 root 15070: // } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 15071: // REG8(AH) = 0x83;
15072: } else if(process->ems_pages_stored) {
15073: REG8(AH) = 0x8d;
15074: } else {
15075: for(int i = 0; i < 4; i++) {
15076: process->ems_pages[i].handle = ems_pages[i].handle;
15077: process->ems_pages[i].page = ems_pages[i].page;
15078: process->ems_pages[i].mapped = ems_pages[i].mapped;
15079: }
15080: process->ems_pages_stored = true;
15081: REG8(AH) = 0x00;
15082: }
15083: }
15084:
15085: inline void msdos_int_67h_48h()
15086: {
15087: // NOTE: the map data should be restored from the specified ems page, not process data
15088: process_t *process = msdos_process_info_get(current_psp);
15089:
15090: if(!support_ems) {
15091: REG8(AH) = 0x84;
1.1.1.31 root 15092: // } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 15093: // REG8(AH) = 0x83;
15094: } else if(!process->ems_pages_stored) {
15095: REG8(AH) = 0x8e;
15096: } else {
15097: for(int i = 0; i < 4; i++) {
15098: if(process->ems_pages[i].mapped) {
15099: ems_map_page(i, process->ems_pages[i].handle, process->ems_pages[i].page);
15100: } else {
15101: ems_unmap_page(i);
15102: }
15103: }
15104: process->ems_pages_stored = false;
15105: REG8(AH) = 0x00;
15106: }
15107: }
15108:
15109: inline void msdos_int_67h_4bh()
15110: {
15111: if(!support_ems) {
15112: REG8(AH) = 0x84;
15113: } else {
15114: REG8(AH) = 0x00;
15115: REG16(BX) = 0;
1.1.1.31 root 15116: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 15117: if(ems_handles[i].allocated) {
15118: REG16(BX)++;
15119: }
15120: }
15121: }
15122: }
15123:
15124: inline void msdos_int_67h_4ch()
15125: {
15126: if(!support_ems) {
15127: REG8(AH) = 0x84;
1.1.1.31 root 15128: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 15129: REG8(AH) = 0x83;
15130: } else {
15131: REG8(AH) = 0x00;
15132: REG16(BX) = ems_handles[REG16(DX)].pages;
15133: }
15134: }
15135:
15136: inline void msdos_int_67h_4dh()
15137: {
15138: if(!support_ems) {
15139: REG8(AH) = 0x84;
15140: } else {
15141: REG8(AH) = 0x00;
15142: REG16(BX) = 0;
1.1.1.31 root 15143: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 15144: if(ems_handles[i].allocated) {
15145: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * REG16(BX) + 0) = i;
15146: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * REG16(BX) + 2) = ems_handles[i].pages;
15147: REG16(BX)++;
15148: }
15149: }
15150: }
15151: }
15152:
1.1.1.20 root 15153: inline void msdos_int_67h_4eh()
15154: {
15155: if(!support_ems) {
15156: REG8(AH) = 0x84;
15157: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01 || REG8(AL) == 0x02) {
15158: if(REG8(AL) == 0x00 || REG8(AL) == 0x02) {
15159: // save page map
15160: for(int i = 0; i < 4; i++) {
15161: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 0) = ems_pages[i].mapped ? ems_pages[i].handle : 0xffff;
15162: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 2) = ems_pages[i].mapped ? ems_pages[i].page : 0xffff;
15163: }
15164: }
15165: if(REG8(AL) == 0x01 || REG8(AL) == 0x02) {
15166: // restore page map
15167: for(int i = 0; i < 4; i++) {
15168: UINT16 handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 0);
15169: UINT16 page = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 2);
15170:
1.1.1.31 root 15171: if(handle >= 1 && handle <= MAX_EMS_HANDLES && ems_handles[handle].allocated && page < ems_handles[handle].pages) {
1.1.1.20 root 15172: ems_map_page(i, handle, page);
15173: } else {
15174: ems_unmap_page(i);
15175: }
15176: }
15177: }
15178: REG8(AH) = 0x00;
15179: } else if(REG8(AL) == 0x03) {
15180: REG8(AH) = 0x00;
1.1.1.21 root 15181: REG8(AL) = 4 * 4;
15182: } else {
1.1.1.22 root 15183: 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 15184: REG8(AH) = 0x8f;
15185: }
15186: }
15187:
15188: inline void msdos_int_67h_4fh()
15189: {
15190: if(!support_ems) {
15191: REG8(AH) = 0x84;
15192: } else if(REG8(AL) == 0x00) {
15193: int count = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI));
15194:
15195: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI)) = count;
15196: for(int i = 0; i < count; i++) {
15197: UINT16 segment = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 2 * i);
15198: UINT16 physical = ((segment << 4) - EMS_TOP) / 0x4000;
15199:
15200: // if(!(physical < 4)) {
15201: // REG8(AH) = 0x8b;
15202: // return;
15203: // }
15204: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2 + 6 * i + 0) = segment;
1.1.1.41 root 15205: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2 + 6 * i + 2) = ems_pages[physical & 3].mapped ? ems_pages[physical & 3].handle : 0xffff;
15206: *(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 15207: }
15208: REG8(AH) = 0x00;
15209: } else if(REG8(AL) == 0x01) {
15210: int count = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI));
15211:
15212: for(int i = 0; i < count; i++) {
15213: UINT16 segment = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 6 * i + 0);
15214: UINT16 physical = ((segment << 4) - EMS_TOP) / 0x4000;
15215: UINT16 handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 6 * i + 2);
15216: UINT16 logical = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 6 * i + 4);
15217:
15218: // if(!(physical < 4)) {
15219: // REG8(AH) = 0x8b;
15220: // return;
15221: // } else
1.1.1.41 root 15222: if(handle >= 1 && handle <= MAX_EMS_HANDLES && ems_handles[handle].allocated && logical < ems_handles[handle].pages) {
1.1.1.21 root 15223: ems_map_page(physical & 3, handle, logical);
15224: } else {
1.1.1.41 root 15225: ems_unmap_page(physical & 3);
1.1.1.21 root 15226: }
15227: }
15228: REG8(AH) = 0x00;
15229: } else if(REG8(AL) == 0x02) {
15230: REG8(AH) = 0x00;
15231: REG8(AL) = 2 + REG16(BX) * 6;
1.1.1.20 root 15232: } else {
1.1.1.22 root 15233: 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 15234: REG8(AH) = 0x8f;
15235: }
15236: }
15237:
15238: inline void msdos_int_67h_50h()
15239: {
15240: if(!support_ems) {
15241: REG8(AH) = 0x84;
1.1.1.31 root 15242: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.20 root 15243: REG8(AH) = 0x83;
15244: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
15245: for(int i = 0; i < REG16(CX); i++) {
15246: int logical = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 0);
15247: int physical = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 2);
15248:
15249: if(REG8(AL) == 0x01) {
15250: physical = ((physical << 4) - EMS_TOP) / 0x4000;
15251: }
15252: // if(!(physical < 4)) {
15253: // REG8(AH) = 0x8b;
15254: // return;
15255: // } else
15256: if(logical == 0xffff) {
15257: ems_unmap_page(physical & 3);
15258: } else if(logical < ems_handles[REG16(DX)].pages) {
15259: ems_map_page(physical & 3, REG16(DX), logical);
15260: } else {
15261: REG8(AH) = 0x8a;
15262: return;
15263: }
15264: }
15265: REG8(AH) = 0x00;
15266: } else {
1.1.1.22 root 15267: 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 15268: REG8(AH) = 0x8f;
15269: }
15270: }
15271:
1.1.1.19 root 15272: inline void msdos_int_67h_51h()
15273: {
15274: if(!support_ems) {
15275: REG8(AH) = 0x84;
1.1.1.31 root 15276: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 15277: REG8(AH) = 0x83;
15278: } else if(REG16(BX) > MAX_EMS_PAGES) {
15279: REG8(AH) = 0x87;
15280: } else if(REG16(BX) > free_ems_pages + ems_handles[REG16(DX)].pages) {
15281: REG8(AH) = 0x88;
15282: } else {
15283: ems_reallocate_pages(REG16(DX), REG16(BX));
15284: REG8(AH) = 0x00;
15285: }
15286: }
15287:
1.1.1.20 root 15288: inline void msdos_int_67h_52h()
15289: {
15290: if(!support_ems) {
15291: REG8(AH) = 0x84;
1.1.1.31 root 15292: // } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
15293: // REG8(AH) = 0x83;
1.1.1.20 root 15294: } else if(REG8(AL) == 0x00) {
15295: REG8(AL) = 0x00; // handle is volatile
15296: REG8(AH) = 0x00;
15297: } else if(REG8(AL) == 0x01) {
15298: if(REG8(BL) == 0x00) {
15299: REG8(AH) = 0x00;
15300: } else {
15301: REG8(AH) = 0x90; // undefined attribute type
15302: }
15303: } else if(REG8(AL) == 0x02) {
15304: REG8(AL) = 0x00; // only volatile handles supported
15305: REG8(AH) = 0x00;
15306: } else {
1.1.1.22 root 15307: 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 15308: REG8(AH) = 0x8f;
15309: }
15310: }
15311:
1.1.1.19 root 15312: inline void msdos_int_67h_53h()
15313: {
15314: if(!support_ems) {
15315: REG8(AH) = 0x84;
1.1.1.31 root 15316: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 15317: REG8(AH) = 0x83;
15318: } else if(REG8(AL) == 0x00) {
15319: memcpy(mem + SREG_BASE(ES) + REG16(DI), ems_handles[REG16(DX)].name, 8);
15320: REG8(AH) = 0x00;
15321: } else if(REG8(AL) == 0x01) {
1.1.1.31 root 15322: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 15323: if(ems_handles[i].allocated && memcmp(ems_handles[REG16(DX)].name, mem + SREG_BASE(DS) + REG16(SI), 8) == 0) {
15324: REG8(AH) = 0xa1;
15325: return;
15326: }
15327: }
15328: REG8(AH) = 0x00;
15329: memcpy(ems_handles[REG16(DX)].name, mem + SREG_BASE(DS) + REG16(SI), 8);
15330: } else {
1.1.1.22 root 15331: 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 15332: REG8(AH) = 0x8f;
1.1.1.19 root 15333: }
15334: }
15335:
15336: inline void msdos_int_67h_54h()
15337: {
15338: if(!support_ems) {
15339: REG8(AH) = 0x84;
15340: } else if(REG8(AL) == 0x00) {
1.1.1.31 root 15341: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 15342: if(ems_handles[i].allocated) {
15343: memcpy(mem + SREG_BASE(ES) + REG16(DI) + 10 * i + 2, ems_handles[i].name, 10);
15344: } else {
15345: memset(mem + SREG_BASE(ES) + REG16(DI) + 10 * i + 2, 0, 10);
15346: }
15347: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 10 * i + 0) = i;
15348: }
15349: REG8(AH) = 0x00;
15350: REG8(AL) = MAX_EMS_HANDLES;
15351: } else if(REG8(AL) == 0x01) {
15352: REG8(AH) = 0xa0; // not found
1.1.1.31 root 15353: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 15354: if(ems_handles[i].allocated && memcmp(ems_handles[REG16(DX)].name, mem + SREG_BASE(DS) + REG16(SI), 8) == 0) {
15355: REG8(AH) = 0x00;
15356: REG16(DX) = i;
15357: break;
15358: }
15359: }
15360: } else if(REG8(AL) == 0x02) {
15361: REG8(AH) = 0x00;
15362: REG16(BX) = MAX_EMS_HANDLES;
15363: } else {
1.1.1.22 root 15364: 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 15365: REG8(AH) = 0x8f;
15366: }
15367: }
15368:
1.1.1.49 root 15369: inline void msdos_int_67h_55h()
15370: {
15371: if(!support_ems) {
15372: REG8(AH) = 0x84;
15373: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
15374: REG8(AH) = 0x83;
15375: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
15376: UINT16 jump_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0);
15377: UINT16 jump_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2);
15378: UINT8 entries = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 4);
15379: UINT16 map_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 5);
15380: UINT16 map_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 7);
15381:
15382: for(int i = 0; i < (int)entries; i++) {
15383: int logical = *(UINT16 *)(mem + (map_seg << 4) + map_ofs + 4 * i + 0);
15384: int physical = *(UINT16 *)(mem + (map_seg << 4) + map_ofs + 4 * i + 2);
15385:
15386: if(REG8(AL) == 0x01) {
15387: physical = ((physical << 4) - EMS_TOP) / 0x4000;
15388: }
15389: // if(!(physical < 4)) {
15390: // REG8(AH) = 0x8b;
15391: // return;
15392: // } else
15393: if(logical == 0xffff) {
15394: ems_unmap_page(physical & 3);
15395: } else if(logical < ems_handles[REG16(DX)].pages) {
15396: ems_map_page(physical & 3, REG16(DX), logical);
15397: } else {
15398: REG8(AH) = 0x8a;
15399: return;
15400: }
15401: }
15402: i386_jmp_far(jump_seg, jump_ofs);
15403: REG8(AH) = 0x00;
15404: } else {
15405: 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));
15406: REG8(AH) = 0x8f;
15407: }
15408: }
15409:
15410: inline void msdos_int_67h_56h()
15411: {
15412: if(!support_ems) {
15413: REG8(AH) = 0x84;
15414: } else if(REG8(AL) == 0x02) {
15415: REG16(BX) = (2 + 2) * 4;
15416: REG8(AH) = 0x00;
15417: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
15418: REG8(AH) = 0x83;
15419: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
15420: UINT16 call_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0);
15421: UINT16 call_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2);
15422: UINT8 new_entries = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 4);
15423: UINT16 new_map_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 5);
15424: UINT16 new_map_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 7);
15425: #if 0
15426: UINT8 old_entries = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 9);
15427: UINT16 old_map_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 10);
15428: UINT16 old_map_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 12);
15429: #endif
15430: UINT16 handles[4], pages[4];
15431:
15432: // alter page map and call routine is at fffc:001f
15433: if(!(call_seg == 0 && call_ofs == 0)) {
15434: mem[DUMMY_TOP + 0x1f] = 0x9a; // call far
15435: mem[DUMMY_TOP + 0x20] = (call_ofs >> 0) & 0xff;
15436: mem[DUMMY_TOP + 0x21] = (call_ofs >> 8) & 0xff;
15437: mem[DUMMY_TOP + 0x22] = (call_seg >> 0) & 0xff;
15438: mem[DUMMY_TOP + 0x23] = (call_seg >> 8) & 0xff;
15439: } else {
15440: // invalid call addr :-(
15441: mem[DUMMY_TOP + 0x1f] = 0x90; // nop
15442: mem[DUMMY_TOP + 0x20] = 0x90; // nop
15443: mem[DUMMY_TOP + 0x21] = 0x90; // nop
15444: mem[DUMMY_TOP + 0x22] = 0x90; // nop
15445: mem[DUMMY_TOP + 0x23] = 0x90; // nop
15446: }
15447: // do call far (push cs/ip) in old mapping
15448: i386_call_far(DUMMY_TOP >> 4, 0x001f);
15449:
15450: // get old mapping data
15451: #if 0
15452: for(int i = 0; i < (int)old_entries; i++) {
15453: int logical = *(UINT16 *)(mem + (old_map_seg << 4) + old_map_ofs + 4 * i + 0);
15454: int physical = *(UINT16 *)(mem + (old_map_seg << 4) + old_map_ofs + 4 * i + 2);
15455:
15456: if(REG8(AL) == 0x01) {
15457: physical = ((physical << 4) - EMS_TOP) / 0x4000;
15458: }
15459: // if(!(physical < 4)) {
15460: // REG8(AH) = 0x8b;
15461: // return;
15462: // } else
15463: if(logical == 0xffff) {
15464: ems_unmap_page(physical & 3);
15465: } else if(logical < ems_handles[REG16(DX)].pages) {
15466: ems_map_page(physical & 3, REG16(DX), logical);
15467: } else {
15468: REG8(AH) = 0x8a;
15469: return;
15470: }
15471: }
15472: #endif
15473: for(int i = 0; i < 4; i++) {
15474: handles[i] = ems_pages[i].mapped ? ems_pages[i].handle : 0xffff;
15475: pages [i] = ems_pages[i].mapped ? ems_pages[i].page : 0xffff;
15476: }
15477:
15478: // set new mapping
15479: for(int i = 0; i < (int)new_entries; i++) {
15480: int logical = *(UINT16 *)(mem + (new_map_seg << 4) + new_map_ofs + 4 * i + 0);
15481: int physical = *(UINT16 *)(mem + (new_map_seg << 4) + new_map_ofs + 4 * i + 2);
15482:
15483: if(REG8(AL) == 0x01) {
15484: physical = ((physical << 4) - EMS_TOP) / 0x4000;
15485: }
15486: // if(!(physical < 4)) {
15487: // REG8(AH) = 0x8b;
15488: // return;
15489: // } else
15490: if(logical == 0xffff) {
15491: ems_unmap_page(physical & 3);
15492: } else if(logical < ems_handles[REG16(DX)].pages) {
15493: ems_map_page(physical & 3, REG16(DX), logical);
15494: } else {
15495: REG8(AH) = 0x8a;
15496: return;
15497: }
15498: }
15499:
15500: // push old mapping data in new mapping
15501: for(int i = 0; i < 4; i++) {
15502: i386_push16(handles[i]);
15503: i386_push16(pages [i]);
15504: }
15505: REG8(AH) = 0x00;
15506: } else {
15507: 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));
15508: REG8(AH) = 0x8f;
15509: }
15510: }
15511:
1.1.1.20 root 15512: inline void msdos_int_67h_57h_tmp()
15513: {
15514: UINT32 copy_length = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00);
15515: UINT8 src_type = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x04);
15516: UINT16 src_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x05);
15517: UINT16 src_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07);
15518: UINT16 src_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x09);
15519: UINT8 dest_type = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0b);
15520: UINT16 dest_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0c);
15521: UINT16 dest_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0e);
15522: UINT16 dest_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x10);
15523:
1.1.1.32 root 15524: UINT8 *src_buffer = NULL, *dest_buffer = NULL;
1.1.1.20 root 15525: UINT32 src_addr, dest_addr;
15526: UINT32 src_addr_max, dest_addr_max;
15527:
15528: if(src_type == 0) {
15529: src_buffer = mem;
15530: src_addr = (src_seg << 4) + src_ofs;
15531: src_addr_max = MAX_MEM;
15532: } else {
1.1.1.31 root 15533: if(!(src_handle >= 1 && src_handle <= MAX_EMS_HANDLES && ems_handles[src_handle].allocated)) {
1.1.1.20 root 15534: REG8(AH) = 0x83;
15535: return;
15536: } else if(!(src_seg < ems_handles[src_handle].pages)) {
15537: REG8(AH) = 0x8a;
15538: return;
15539: }
1.1.1.32 root 15540: if(ems_handles[src_handle].buffer != NULL) {
15541: src_buffer = ems_handles[src_handle].buffer + 0x4000 * src_seg;
15542: }
1.1.1.20 root 15543: src_addr = src_ofs;
1.1.1.32 root 15544: src_addr_max = 0x4000 * (ems_handles[src_handle].pages - src_seg);
1.1.1.20 root 15545: }
15546: if(dest_type == 0) {
15547: dest_buffer = mem;
15548: dest_addr = (dest_seg << 4) + dest_ofs;
15549: dest_addr_max = MAX_MEM;
15550: } else {
1.1.1.31 root 15551: if(!(dest_handle >= 1 && dest_handle <= MAX_EMS_HANDLES && ems_handles[dest_handle].allocated)) {
1.1.1.20 root 15552: REG8(AH) = 0x83;
15553: return;
15554: } else if(!(dest_seg < ems_handles[dest_handle].pages)) {
15555: REG8(AH) = 0x8a;
15556: return;
15557: }
1.1.1.32 root 15558: if(ems_handles[dest_handle].buffer != NULL) {
15559: dest_buffer = ems_handles[dest_handle].buffer + 0x4000 * dest_seg;
15560: }
1.1.1.20 root 15561: dest_addr = dest_ofs;
1.1.1.32 root 15562: dest_addr_max = 0x4000 * (ems_handles[dest_handle].pages - dest_seg);
1.1.1.20 root 15563: }
1.1.1.32 root 15564: if(src_buffer != NULL && dest_buffer != NULL) {
15565: for(int i = 0; i < copy_length; i++) {
15566: if(src_addr < src_addr_max && dest_addr < dest_addr_max) {
15567: if(REG8(AL) == 0x00) {
15568: dest_buffer[dest_addr++] = src_buffer[src_addr++];
15569: } else if(REG8(AL) == 0x01) {
15570: UINT8 tmp = dest_buffer[dest_addr];
15571: dest_buffer[dest_addr++] = src_buffer[src_addr];
15572: src_buffer[src_addr++] = tmp;
15573: }
15574: } else {
15575: REG8(AH) = 0x93;
15576: return;
1.1.1.20 root 15577: }
15578: }
1.1.1.32 root 15579: REG8(AH) = 0x00;
15580: } else {
15581: REG8(AH) = 0x80;
1.1.1.20 root 15582: }
15583: }
15584:
15585: inline void msdos_int_67h_57h()
15586: {
15587: if(!support_ems) {
15588: REG8(AH) = 0x84;
15589: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
15590: struct {
15591: UINT16 handle;
15592: UINT16 page;
15593: bool mapped;
15594: } tmp_pages[4];
15595:
15596: // unmap pages to copy memory data to ems buffer
15597: for(int i = 0; i < 4; i++) {
15598: tmp_pages[i].handle = ems_pages[i].handle;
15599: tmp_pages[i].page = ems_pages[i].page;
15600: tmp_pages[i].mapped = ems_pages[i].mapped;
15601: ems_unmap_page(i);
15602: }
15603:
15604: // run move/exchange operation
15605: msdos_int_67h_57h_tmp();
15606:
15607: // restore unmapped pages
15608: for(int i = 0; i < 4; i++) {
15609: if(tmp_pages[i].mapped) {
15610: ems_map_page(i, tmp_pages[i].handle, tmp_pages[i].page);
15611: }
15612: }
15613: } else {
1.1.1.22 root 15614: 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 15615: REG8(AH) = 0x8f;
15616: }
15617: }
15618:
15619: inline void msdos_int_67h_58h()
15620: {
15621: if(!support_ems) {
15622: REG8(AH) = 0x84;
15623: } else if(REG8(AL) == 0x00) {
15624: for(int i = 0; i < 4; i++) {
1.1.1.30 root 15625: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 0) = (EMS_TOP + 0x4000 * i) >> 4;
15626: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 2) = i;
1.1.1.20 root 15627: }
15628: REG8(AH) = 0x00;
15629: REG16(CX) = 4;
15630: } else if(REG8(AL) == 0x01) {
15631: REG8(AH) = 0x00;
15632: REG16(CX) = 4;
15633: } else {
1.1.1.22 root 15634: 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 15635: REG8(AH) = 0x8f;
15636: }
15637: }
15638:
1.1.1.42 root 15639: inline void msdos_int_67h_59h()
15640: {
15641: if(!support_ems) {
15642: REG8(AH) = 0x84;
15643: } else if(REG8(AL) == 0x00) {
1.1.1.49 root 15644: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 1024;
15645: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2) = 0;
15646: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4) = 4 * 4;
15647: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 6) = 0;
15648: REG8(AH) = 0x00;
15649: // REG8(AH) = 0xa4; // access denied by operating system
1.1.1.42 root 15650: } else if(REG8(AL) == 0x01) {
15651: REG8(AH) = 0x00;
15652: REG16(BX) = free_ems_pages;
15653: REG16(DX) = MAX_EMS_PAGES;
15654: } else {
15655: 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));
15656: REG8(AH) = 0x8f;
15657: }
15658: }
15659:
1.1.1.20 root 15660: inline void msdos_int_67h_5ah()
15661: {
15662: if(!support_ems) {
1.1.1.19 root 15663: REG8(AH) = 0x84;
1.1.1.20 root 15664: } else if(REG16(BX) > MAX_EMS_PAGES) {
15665: REG8(AH) = 0x87;
15666: } else if(REG16(BX) > free_ems_pages) {
15667: REG8(AH) = 0x88;
15668: // } else if(REG16(BX) == 0) {
15669: // REG8(AH) = 0x89;
15670: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
1.1.1.31 root 15671: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.20 root 15672: if(!ems_handles[i].allocated) {
15673: ems_allocate_pages(i, REG16(BX));
15674: REG8(AH) = 0x00;
15675: REG16(DX) = i;
15676: return;
15677: }
15678: }
15679: REG8(AH) = 0x85;
15680: } else {
1.1.1.22 root 15681: 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 15682: REG8(AH) = 0x8f;
1.1.1.19 root 15683: }
15684: }
15685:
1.1.1.49 root 15686: inline void msdos_int_67h_5bh()
15687: {
15688: static UINT8 stored_bl = 0x00;
15689: static UINT16 stored_es = 0x0000;
15690: static UINT16 stored_di = 0x0000;
15691:
15692: if(!support_ems) {
15693: REG8(AH) = 0x84;
15694: } else if(REG8(AL) == 0x00) {
15695: if(stored_bl == 0x00) {
15696: if(!(stored_es == 0 && stored_di == 0)) {
15697: for(int i = 0; i < 4; i++) {
15698: *(UINT16 *)(mem + (stored_es << 4) + stored_di + 4 * i + 0) = ems_pages[i].mapped ? ems_pages[i].handle : 0xffff;
15699: *(UINT16 *)(mem + (stored_es << 4) + stored_di + 4 * i + 2) = ems_pages[i].mapped ? ems_pages[i].page : 0xffff;
15700: }
15701: }
15702: SREG(ES) = stored_es;
15703: i386_load_segment_descriptor(ES);
15704: REG16(DI) = stored_di;
15705: } else {
15706: REG8(BL) = stored_bl;
15707: }
15708: REG8(AH) = 0x00;
15709: } else if(REG8(AL) == 0x01) {
15710: if(REG8(BL) == 0x00) {
15711: if(!(SREG(ES) == 0 && REG16(DI) == 0)) {
15712: for(int i = 0; i < 4; i++) {
15713: UINT16 handle = *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 0);
15714: UINT16 page = *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 2);
15715:
15716: if(handle >= 1 && handle <= MAX_EMS_HANDLES && ems_handles[handle].allocated && page < ems_handles[handle].pages) {
15717: ems_map_page(i, handle, page);
15718: } else {
15719: ems_unmap_page(i);
15720: }
15721: }
15722: }
15723: }
15724: stored_bl = REG8(BL);
15725: stored_es = SREG(ES);
15726: stored_di = REG16(DI);
15727: REG8(AH) = 0x00;
15728: } else if(REG8(AL) == 0x02) {
15729: REG16(DX) = 4 * 4;
15730: REG8(AH) = 0x00;
15731: } else if(REG8(AL) == 0x03) {
15732: REG8(BL) = 0x00; // not supported
15733: REG8(AH) = 0x00;
15734: } else if(REG8(AL) == 0x04) {
15735: REG8(AH) = 0x00;
15736: } else if(REG8(AL) == 0x05) {
15737: REG8(BL) = 0x00; // not supported
15738: REG8(AH) = 0x00;
15739: } else {
15740: 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));
15741: REG8(AH) = 0x8f;
15742: }
15743: }
15744:
1.1.1.43 root 15745: inline void msdos_int_67h_5dh()
15746: {
15747: if(!support_ems) {
15748: REG8(AH) = 0x84;
15749: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01 || REG8(AL) == 0x02) {
15750: REG8(AH) = 0xa4; // operating system denied access
15751: } else {
15752: 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));
15753: REG8(AH) = 0x8f;
15754: }
15755: }
15756:
1.1.1.49 root 15757: inline void msdos_int_67h_70h()
15758: {
15759: if(!support_ems) {
15760: REG8(AH) = 0x84;
15761: } else if(REG8(AL) == 0x00) {
15762: REG8(AL) = 0x00;
15763: REG8(AH) = 0x00;
15764: } else if(REG8(AL) == 0x01) {
15765: REG8(AL) = 0x00;
15766: // REG8(AH) = (REG8(BL) == 0x00) ? 0x00 : 0x80;
15767: REG8(AH) = 0x00;
15768: } else {
15769: 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));
15770: REG8(AH) = 0x8f;
15771: }
15772: }
15773:
1.1.1.30 root 15774: inline void msdos_int_67h_deh()
15775: {
15776: REG8(AH) = 0x84;
15777: }
15778:
1.1.1.19 root 15779: #ifdef SUPPORT_XMS
15780:
1.1.1.32 root 15781: void msdos_xms_init()
1.1.1.26 root 15782: {
1.1.1.30 root 15783: emb_handle_top = (emb_handle_t *)calloc(1, sizeof(emb_handle_t));
15784: emb_handle_top->address = EMB_TOP;
15785: emb_handle_top->size_kb = (EMB_END - EMB_TOP) >> 10;
1.1.1.26 root 15786: xms_a20_local_enb_count = 0;
15787: }
15788:
1.1.1.32 root 15789: void msdos_xms_finish()
15790: {
15791: msdos_xms_release();
15792: }
15793:
15794: void msdos_xms_release()
1.1.1.30 root 15795: {
15796: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL;) {
15797: emb_handle_t *next_handle = emb_handle->next;
15798: free(emb_handle);
15799: emb_handle = next_handle;
15800: }
15801: }
15802:
15803: emb_handle_t *msdos_xms_get_emb_handle(int handle)
15804: {
15805: if(handle != 0) {
15806: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
15807: if(emb_handle->handle == handle) {
15808: return(emb_handle);
15809: }
15810: }
15811: }
15812: return(NULL);
15813: }
15814:
15815: int msdos_xms_get_unused_emb_handle_id()
15816: {
15817: for(int handle = 1;; handle++) {
15818: if(msdos_xms_get_emb_handle(handle) == NULL) {
15819: return(handle);
15820: }
15821: }
15822: return(0);
15823: }
15824:
15825: int msdos_xms_get_unused_emb_handle_count()
15826: {
15827: int count = 64; //255;
15828:
15829: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
15830: if(emb_handle->handle != 0) {
15831: if(--count == 1) {
15832: break;
15833: }
15834: }
15835: }
15836: return(count);
15837: }
15838:
15839: void msdos_xms_split_emb_handle(emb_handle_t *emb_handle, int size_kb)
15840: {
15841: if(emb_handle->size_kb > size_kb) {
15842: emb_handle_t *new_handle = (emb_handle_t *)calloc(1, sizeof(emb_handle_t));
15843:
15844: new_handle->address = emb_handle->address + size_kb * 1024;
15845: new_handle->size_kb = emb_handle->size_kb - size_kb;
15846: emb_handle->size_kb = size_kb;
15847:
15848: new_handle->prev = emb_handle;
15849: new_handle->next = emb_handle->next;
15850: if(emb_handle->next != NULL) {
15851: emb_handle->next->prev = new_handle;
15852: }
15853: emb_handle->next = new_handle;
15854: }
15855: }
15856:
15857: void msdos_xms_combine_emb_handles(emb_handle_t *emb_handle)
15858: {
15859: emb_handle_t *next_handle = emb_handle->next;
15860:
15861: if(next_handle != NULL) {
15862: emb_handle->size_kb += next_handle->size_kb;
15863:
15864: if(next_handle->next != NULL) {
15865: next_handle->next->prev = emb_handle;
15866: }
15867: emb_handle->next = next_handle->next;
15868: free(next_handle);
15869: }
15870: }
15871:
15872: emb_handle_t *msdos_xms_alloc_emb_handle(int size_kb)
15873: {
15874: emb_handle_t *target_handle = NULL;
15875:
15876: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
15877: if(emb_handle->handle == 0 && emb_handle->size_kb >= size_kb) {
15878: if(target_handle == NULL || target_handle->size_kb > emb_handle->size_kb) {
15879: target_handle = emb_handle;
15880: }
15881: }
15882: }
15883: if(target_handle != NULL) {
15884: if(target_handle->size_kb > size_kb) {
15885: msdos_xms_split_emb_handle(target_handle, size_kb);
15886: }
15887: // target_handle->handle = msdos_xms_get_unused_emb_handle_id();
15888: return(target_handle);
15889: }
15890: return(NULL);
15891: }
15892:
15893: void msdos_xms_free_emb_handle(emb_handle_t *emb_handle)
15894: {
15895: emb_handle_t *prev_handle = emb_handle->prev;
15896: emb_handle_t *next_handle = emb_handle->next;
15897:
15898: if(prev_handle != NULL && prev_handle->handle == 0) {
15899: msdos_xms_combine_emb_handles(prev_handle);
15900: emb_handle = prev_handle;
15901: }
15902: if(next_handle != NULL && next_handle->handle == 0) {
15903: msdos_xms_combine_emb_handles(emb_handle);
15904: }
15905: emb_handle->handle = 0;
15906: }
15907:
1.1.1.19 root 15908: inline void msdos_call_xms_00h()
15909: {
1.1.1.29 root 15910: #if defined(HAS_I386)
15911: REG16(AX) = 0x0300; // V3.00 (XMS Version)
1.1.1.45 root 15912: // REG16(BX) = 0x0395; // V3.95 (Driver Revision in BCD)
1.1.1.29 root 15913: REG16(BX) = 0x035f; // V3.95 (Driver Revision)
15914: #else
15915: REG16(AX) = 0x0200; // V2.00 (XMS Version)
15916: REG16(BX) = 0x0270; // V2.70 (Driver Revision)
15917: #endif
15918: // REG16(DX) = 0x0000; // HMA does not exist
15919: REG16(DX) = 0x0001; // HMA does exist
1.1.1.19 root 15920: }
15921:
15922: inline void msdos_call_xms_01h()
15923: {
1.1.1.29 root 15924: if(REG8(AL) == 0x40) {
15925: // HIMEM.SYS will fail function 01h with error code 91h if AL=40h and
15926: // DX=KB free extended memory returned by last call of function 08h
15927: REG16(AX) = 0x0000;
15928: REG8(BL) = 0x91;
15929: REG16(DX) = xms_dx_after_call_08h;
15930: } else if(memcmp(mem + 0x100003, "VDISK", 5) == 0) {
15931: REG16(AX) = 0x0000;
15932: REG8(BL) = 0x81; // Vdisk was detected
15933: #ifdef SUPPORT_HMA
15934: } else if(is_hma_used_by_int_2fh) {
15935: REG16(AX) = 0x0000;
15936: REG8(BL) = 0x90; // HMA does not exist or is not managed by XMS provider
15937: } else if(is_hma_used_by_xms) {
15938: REG16(AX) = 0x0000;
15939: REG8(BL) = 0x91; // HMA is already in use
15940: } else {
15941: REG16(AX) = 0x0001;
15942: is_hma_used_by_xms = true;
15943: #else
15944: } else {
15945: REG16(AX) = 0x0000;
15946: REG8(BL) = 0x91; // HMA is already in use
15947: #endif
15948: }
1.1.1.19 root 15949: }
15950:
15951: inline void msdos_call_xms_02h()
15952: {
1.1.1.29 root 15953: if(memcmp(mem + 0x100003, "VDISK", 5) == 0) {
15954: REG16(AX) = 0x0000;
15955: REG8(BL) = 0x81; // Vdisk was detected
15956: #ifdef SUPPORT_HMA
15957: } else if(is_hma_used_by_int_2fh) {
15958: REG16(AX) = 0x0000;
15959: REG8(BL) = 0x90; // HMA does not exist or is not managed by XMS provider
15960: } else if(!is_hma_used_by_xms) {
15961: REG16(AX) = 0x0000;
15962: REG8(BL) = 0x93; // HMA is not allocated
15963: } else {
15964: REG16(AX) = 0x0001;
15965: is_hma_used_by_xms = false;
15966: // restore first free mcb in high memory area
15967: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
15968: #else
15969: } else {
15970: REG16(AX) = 0x0000;
15971: REG8(BL) = 0x91; // HMA is already in use
15972: #endif
15973: }
1.1.1.19 root 15974: }
15975:
15976: inline void msdos_call_xms_03h()
15977: {
15978: i386_set_a20_line(1);
15979: REG16(AX) = 0x0001;
15980: REG8(BL) = 0x00;
15981: }
15982:
15983: inline void msdos_call_xms_04h()
15984: {
1.1.1.21 root 15985: i386_set_a20_line(0);
15986: REG16(AX) = 0x0001;
15987: REG8(BL) = 0x00;
1.1.1.19 root 15988: }
15989:
15990: inline void msdos_call_xms_05h()
15991: {
15992: i386_set_a20_line(1);
15993: REG16(AX) = 0x0001;
15994: REG8(BL) = 0x00;
1.1.1.21 root 15995: xms_a20_local_enb_count++;
1.1.1.19 root 15996: }
15997:
15998: void msdos_call_xms_06h()
15999: {
1.1.1.21 root 16000: if(xms_a20_local_enb_count > 0) {
1.1.1.45 root 16001: if(--xms_a20_local_enb_count == 0) {
16002: i386_set_a20_line(0);
16003: REG16(AX) = 0x0001;
16004: REG8(BL) = 0x00;
16005: } else {
16006: REG16(AX) = 0x0000;
16007: REG8(BL) = 0x94;
16008: }
1.1.1.21 root 16009: } else {
1.1.1.45 root 16010: i386_set_a20_line(0);
1.1.1.21 root 16011: REG16(AX) = 0x0001;
16012: REG8(BL) = 0x00;
1.1.1.19 root 16013: }
16014: }
16015:
16016: inline void msdos_call_xms_07h()
16017: {
16018: REG16(AX) = (m_a20_mask >> 20) & 1;
16019: REG8(BL) = 0x00;
16020: }
16021:
16022: inline void msdos_call_xms_08h()
16023: {
1.1.1.45 root 16024: UINT32 eax = 0, edx = 0;
1.1.1.19 root 16025:
1.1.1.30 root 16026: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
16027: if(emb_handle->handle == 0) {
1.1.1.45 root 16028: if(eax < emb_handle->size_kb) {
16029: eax = emb_handle->size_kb;
1.1.1.19 root 16030: }
1.1.1.45 root 16031: edx += emb_handle->size_kb;
1.1.1.19 root 16032: }
16033: }
1.1.1.45 root 16034: if(eax > 65535) {
16035: eax = 65535;
16036: }
16037: if(edx > 65535) {
16038: edx = 65535;
16039: }
16040: if(eax == 0 && edx == 0) {
1.1.1.19 root 16041: REG8(BL) = 0xa0;
16042: } else {
16043: REG8(BL) = 0x00;
16044: }
1.1.1.45 root 16045: #if defined(HAS_I386)
16046: REG32(EAX) = eax;
16047: REG32(EDX) = edx;
16048: #else
16049: REG16(AX) = (UINT16)eax;
16050: REG16(DX) = (UINT16)edx;
16051: #endif
1.1.1.29 root 16052: xms_dx_after_call_08h = REG16(DX);
1.1.1.19 root 16053: }
16054:
1.1.1.30 root 16055: void msdos_call_xms_09h(int size_kb)
1.1.1.19 root 16056: {
1.1.1.30 root 16057: emb_handle_t *emb_handle = msdos_xms_alloc_emb_handle(size_kb);
16058:
16059: if(emb_handle != NULL) {
16060: emb_handle->handle = msdos_xms_get_unused_emb_handle_id();
16061:
16062: REG16(AX) = 0x0001;
16063: REG16(DX) = emb_handle->handle;
16064: REG8(BL) = 0x00;
16065: } else {
16066: REG16(AX) = REG16(DX) = 0x0000;
16067: REG8(BL) = 0xa0;
1.1.1.19 root 16068: }
1.1.1.30 root 16069: }
16070:
16071: inline void msdos_call_xms_09h()
16072: {
16073: msdos_call_xms_09h(REG16(DX));
1.1.1.19 root 16074: }
16075:
16076: inline void msdos_call_xms_0ah()
16077: {
1.1.1.30 root 16078: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
16079:
16080: if(emb_handle == NULL) {
1.1.1.19 root 16081: REG16(AX) = 0x0000;
16082: REG8(BL) = 0xa2;
1.1.1.45 root 16083: // } else if(emb_handle->lock > 0) {
16084: // REG16(AX) = 0x0000;
16085: // REG8(BL) = 0xab;
1.1.1.19 root 16086: } else {
1.1.1.30 root 16087: msdos_xms_free_emb_handle(emb_handle);
1.1.1.19 root 16088:
16089: REG16(AX) = 0x0001;
16090: REG8(BL) = 0x00;
16091: }
16092: }
16093:
16094: inline void msdos_call_xms_0bh()
16095: {
16096: UINT32 copy_length = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00);
16097: UINT16 src_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x04);
16098: UINT32 src_addr = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x06);
16099: UINT16 dest_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0a);
16100: UINT32 dest_addr = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0c);
16101:
16102: UINT8 *src_buffer, *dest_buffer;
16103: UINT32 src_addr_max, dest_addr_max;
1.1.1.30 root 16104: emb_handle_t *emb_handle;
1.1.1.19 root 16105:
16106: if(src_handle == 0) {
16107: src_buffer = mem;
16108: src_addr = (((src_addr >> 16) & 0xffff) << 4) + (src_addr & 0xffff);
16109: src_addr_max = MAX_MEM;
16110: } else {
1.1.1.30 root 16111: if((emb_handle = msdos_xms_get_emb_handle(src_handle)) == NULL) {
1.1.1.19 root 16112: REG16(AX) = 0x0000;
16113: REG8(BL) = 0xa3;
16114: return;
16115: }
1.1.1.30 root 16116: src_buffer = mem + emb_handle->address;
16117: src_addr_max = emb_handle->size_kb * 1024;
1.1.1.19 root 16118: }
16119: if(dest_handle == 0) {
16120: dest_buffer = mem;
16121: dest_addr = (((dest_addr >> 16) & 0xffff) << 4) + (dest_addr & 0xffff);
16122: dest_addr_max = MAX_MEM;
16123: } else {
1.1.1.30 root 16124: if((emb_handle = msdos_xms_get_emb_handle(dest_handle)) == NULL) {
1.1.1.19 root 16125: REG16(AX) = 0x0000;
16126: REG8(BL) = 0xa5;
16127: return;
16128: }
1.1.1.30 root 16129: dest_buffer = mem + emb_handle->address;
16130: dest_addr_max = emb_handle->size_kb * 1024;
1.1.1.19 root 16131: }
16132: for(int i = 0; i < copy_length; i++) {
16133: if(src_addr < src_addr_max && dest_addr < dest_addr_max) {
16134: dest_buffer[dest_addr++] = src_buffer[src_addr++];
16135: } else {
16136: break;
16137: }
16138: }
16139: REG16(AX) = 0x0001;
16140: REG8(BL) = 0x00;
16141: }
16142:
16143: inline void msdos_call_xms_0ch()
16144: {
1.1.1.30 root 16145: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
16146:
16147: if(emb_handle == NULL) {
1.1.1.19 root 16148: REG16(AX) = 0x0000;
16149: REG8(BL) = 0xa2;
16150: } else {
1.1.1.45 root 16151: if(emb_handle->lock < 255) {
16152: emb_handle->lock++;
16153: }
1.1.1.19 root 16154: REG16(AX) = 0x0001;
1.1.1.30 root 16155: REG16(DX) = (emb_handle->address >> 16) & 0xffff;
16156: REG16(BX) = (emb_handle->address ) & 0xffff;
1.1.1.19 root 16157: }
16158: }
16159:
16160: inline void msdos_call_xms_0dh()
16161: {
1.1.1.30 root 16162: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
16163:
16164: if(emb_handle == NULL) {
1.1.1.19 root 16165: REG16(AX) = 0x0000;
16166: REG8(BL) = 0xa2;
1.1.1.30 root 16167: } else if(!(emb_handle->lock > 0)) {
1.1.1.19 root 16168: REG16(AX) = 0x0000;
16169: REG8(BL) = 0xaa;
16170: } else {
1.1.1.30 root 16171: emb_handle->lock--;
1.1.1.19 root 16172: REG16(AX) = 0x0001;
16173: REG8(BL) = 0x00;
16174: }
16175: }
16176:
16177: inline void msdos_call_xms_0eh()
16178: {
1.1.1.30 root 16179: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
16180:
16181: if(emb_handle == NULL) {
1.1.1.19 root 16182: REG16(AX) = 0x0000;
16183: REG8(BL) = 0xa2;
16184: } else {
16185: REG16(AX) = 0x0001;
1.1.1.30 root 16186: REG8(BH) = emb_handle->lock;
16187: REG8(BL) = msdos_xms_get_unused_emb_handle_count();
16188: REG16(DX) = emb_handle->size_kb;
1.1.1.19 root 16189: }
16190: }
16191:
1.1.1.30 root 16192: void msdos_call_xms_0fh(int size_kb)
1.1.1.19 root 16193: {
1.1.1.30 root 16194: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
16195:
16196: if(emb_handle == NULL) {
1.1.1.19 root 16197: REG16(AX) = 0x0000;
16198: REG8(BL) = 0xa2;
1.1.1.30 root 16199: } else if(emb_handle->lock > 0) {
1.1.1.19 root 16200: REG16(AX) = 0x0000;
16201: REG8(BL) = 0xab;
16202: } else {
1.1.1.30 root 16203: if(emb_handle->size_kb < size_kb) {
16204: if(emb_handle->next != NULL && emb_handle->next->handle == 0 && (emb_handle->size_kb + emb_handle->next->size_kb) >= size_kb) {
16205: msdos_xms_combine_emb_handles(emb_handle);
16206: if(emb_handle->size_kb > size_kb) {
16207: msdos_xms_split_emb_handle(emb_handle, size_kb);
16208: }
16209: } else {
16210: int old_handle = emb_handle->handle;
16211: int old_size_kb = emb_handle->size_kb;
16212: UINT8 *buffer = (UINT8 *)malloc(old_size_kb * 1024);
16213:
16214: memcpy(buffer, mem + emb_handle->address, old_size_kb * 1024);
16215: msdos_xms_free_emb_handle(emb_handle);
16216:
16217: if((emb_handle = msdos_xms_alloc_emb_handle(size_kb)) == NULL) {
16218: emb_handle = msdos_xms_alloc_emb_handle(old_size_kb); // should be always successed
16219: }
16220: emb_handle->handle = old_handle;
16221: memcpy(mem + emb_handle->address, buffer, old_size_kb * 1024);
16222: free(buffer);
16223: }
16224: } else if(emb_handle->size_kb > size_kb) {
16225: msdos_xms_split_emb_handle(emb_handle, size_kb);
16226: }
16227: if(emb_handle->size_kb != size_kb) {
16228: REG16(AX) = 0x0000;
16229: REG8(BL) = 0xa0;
16230: } else {
16231: REG16(AX) = 0x0001;
16232: REG8(BL) = 0x00;
16233: }
1.1.1.19 root 16234: }
16235: }
16236:
1.1.1.30 root 16237: inline void msdos_call_xms_0fh()
16238: {
16239: msdos_call_xms_0fh(REG16(BX));
16240: }
16241:
1.1.1.19 root 16242: inline void msdos_call_xms_10h()
16243: {
16244: int seg;
16245:
16246: if((seg = msdos_mem_alloc(UMB_TOP >> 4, REG16(DX), 0)) != -1) {
16247: REG16(AX) = 0x0001;
16248: REG16(BX) = seg;
16249: } else {
16250: REG16(AX) = 0x0000;
16251: REG8(BL) = 0xb0;
16252: REG16(DX) = msdos_mem_get_free(UMB_TOP >> 4, 0);
16253: }
16254: }
16255:
16256: inline void msdos_call_xms_11h()
16257: {
16258: int mcb_seg = REG16(DX) - 1;
16259: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
16260:
16261: if(mcb->mz == 'M' || mcb->mz == 'Z') {
16262: msdos_mem_free(REG16(DX));
16263: REG16(AX) = 0x0001;
16264: REG8(BL) = 0x00;
16265: } else {
16266: REG16(AX) = 0x0000;
16267: REG8(BL) = 0xb2;
16268: }
16269: }
16270:
16271: inline void msdos_call_xms_12h()
16272: {
16273: int mcb_seg = REG16(DX) - 1;
16274: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
16275: int max_paragraphs;
16276:
16277: if(mcb->mz == 'M' || mcb->mz == 'Z') {
16278: if(!msdos_mem_realloc(REG16(DX), REG16(BX), &max_paragraphs)) {
16279: REG16(AX) = 0x0001;
16280: REG8(BL) = 0x00;
16281: } else {
16282: REG16(AX) = 0x0000;
16283: REG8(BL) = 0xb0;
16284: REG16(DX) = max_paragraphs;
16285: }
16286: } else {
16287: REG16(AX) = 0x0000;
16288: REG8(BL) = 0xb2;
16289: }
16290: }
16291:
1.1.1.29 root 16292: #if defined(HAS_I386)
16293:
16294: inline void msdos_call_xms_88h()
16295: {
16296: REG32(EAX) = REG32(EDX) = 0x0000;
16297:
1.1.1.30 root 16298: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
16299: if(emb_handle->handle == 0) {
16300: if(REG32(EAX) < emb_handle->size_kb) {
16301: REG32(EAX) = emb_handle->size_kb;
1.1.1.29 root 16302: }
1.1.1.30 root 16303: REG32(EDX) += emb_handle->size_kb;
1.1.1.29 root 16304: }
16305: }
16306: if(REG32(EAX) == 0 && REG32(EDX) == 0) {
16307: REG8(BL) = 0xa0;
16308: } else {
16309: REG8(BL) = 0x00;
16310: }
16311: REG32(ECX) = EMB_END - 1;
16312: }
16313:
16314: inline void msdos_call_xms_89h()
16315: {
1.1.1.30 root 16316: msdos_call_xms_09h(REG32(EDX));
1.1.1.29 root 16317: }
16318:
16319: inline void msdos_call_xms_8eh()
16320: {
1.1.1.30 root 16321: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
16322:
16323: if(emb_handle == NULL) {
1.1.1.29 root 16324: REG16(AX) = 0x0000;
16325: REG8(BL) = 0xa2;
16326: } else {
16327: REG16(AX) = 0x0001;
1.1.1.30 root 16328: REG8(BH) = emb_handle->lock;
16329: REG16(CX) = msdos_xms_get_unused_emb_handle_count();
16330: REG32(EDX) = emb_handle->size_kb;
1.1.1.29 root 16331: }
16332: }
16333:
16334: inline void msdos_call_xms_8fh()
16335: {
1.1.1.30 root 16336: msdos_call_xms_0fh(REG32(EBX));
1.1.1.29 root 16337: }
16338:
16339: #endif
1.1.1.19 root 16340: #endif
16341:
1.1.1.26 root 16342: UINT16 msdos_get_equipment()
16343: {
16344: static UINT16 equip = 0;
16345:
16346: if(equip == 0) {
16347: #ifdef SUPPORT_FPU
16348: equip |= (1 << 1); // 80x87 coprocessor installed
16349: #endif
16350: equip |= (1 << 2); // pointing device installed (PS/2)
16351: equip |= (2 << 4); // initial video mode (80x25 color)
16352: // equip |= (1 << 8); // 0 if DMA installed
16353: equip |= (2 << 9); // number of serial ports
16354: 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 16355:
16356: // check only A: and B: if it is floppy drive
16357: int n = 0;
16358: for(int i = 0; i < 2; i++) {
1.1.1.44 root 16359: if(msdos_is_valid_drive(i) && msdos_is_removable_drive(i)) {
16360: n++;
1.1.1.28 root 16361: }
16362: }
16363: if(n != 0) {
16364: equip |= (1 << 0); // floppy disk(s) installed
16365: n--;
16366: equip |= (n << 6); // number of floppies installed less 1
16367: }
16368: // if(joyGetNumDevs() != 0) {
16369: // equip |= (1 << 12); // game port installed
16370: // }
1.1.1.26 root 16371: }
16372: return(equip);
16373: }
16374:
1.1 root 16375: void msdos_syscall(unsigned num)
16376: {
1.1.1.22 root 16377: #ifdef ENABLE_DEBUG_SYSCALL
1.1.1.43 root 16378: if(num == 0x08 || num == 0x1c) {
16379: // don't log the timer interrupts
1.1.1.45 root 16380: // 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 16381: } else if(num == 0x30) {
16382: // dummy interrupt for call 0005h (call near)
16383: 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 16384: } else if(num == 0x68) {
1.1.1.22 root 16385: // dummy interrupt for EMS (int 67h)
1.1.1.33 root 16386: 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 16387: } else if(num == 0x69) {
16388: // dummy interrupt for XMS (call far)
1.1.1.33 root 16389: 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 16390: } else if(num >= 0x6a && num <= 0x6f) {
1.1.1.45 root 16391: // dummy interrupt
1.1.1.22 root 16392: } else {
1.1.1.33 root 16393: 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 16394: }
16395: #endif
1.1.1.36 root 16396: // update cursor position
16397: if(cursor_moved) {
16398: pcbios_update_cursor_position();
16399: cursor_moved = false;
16400: }
1.1.1.50 root 16401: #ifdef USE_SERVICE_THREAD
16402: // this is called from dummy loop to wait until a serive that waits input is done
16403: if(!in_service)
16404: #endif
1.1.1.33 root 16405: ctrl_break_detected = ctrl_break_pressed = ctrl_c_pressed = false;
1.1.1.22 root 16406:
1.1 root 16407: switch(num) {
16408: case 0x00:
1.1.1.28 root 16409: try {
16410: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
16411: error("division by zero\n");
16412: } catch(...) {
16413: fatalerror("division by zero detected, and failed to terminate current process\n");
16414: }
1.1 root 16415: break;
16416: case 0x04:
1.1.1.28 root 16417: try {
16418: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
16419: error("overflow\n");
16420: } catch(...) {
16421: fatalerror("overflow detected, and failed to terminate current process\n");
16422: }
1.1 root 16423: break;
16424: case 0x06:
16425: // NOTE: ish.com has illegal instruction...
1.1.1.14 root 16426: if(!ignore_illegal_insn) {
1.1.1.28 root 16427: try {
16428: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
16429: error("illegal instruction\n");
16430: } catch(...) {
16431: fatalerror("illegal instruction detected, and failed to terminate current process\n");
16432: }
1.1.1.14 root 16433: } else {
16434: #if defined(HAS_I386)
1.1.1.39 root 16435: m_eip = m_int6h_skip_eip;
16436: #elif defined(HAS_I286)
16437: m_pc = m_int6h_skip_pc;
1.1.1.14 root 16438: #else
1.1.1.39 root 16439: // 8086/80186 ignore an invalid opcode
1.1.1.14 root 16440: #endif
16441: }
1.1 root 16442: break;
1.1.1.33 root 16443: case 0x09:
16444: // ctrl-break is pressed
16445: if(raise_int_1bh) {
16446: #if defined(HAS_I386)
16447: m_ext = 0; // not an external interrupt
16448: i386_trap(0x1b, 1, 0);
16449: m_ext = 1;
16450: #else
16451: PREFIX86(_interrupt)(0x1b);
16452: #endif
16453: raise_int_1bh = false;
16454: }
1.1.1.8 root 16455: case 0x08:
1.1.1.14 root 16456: // pcbios_irq0(); // this causes too slow emulation...
1.1.1.8 root 16457: case 0x0b:
16458: case 0x0c:
16459: case 0x0d:
16460: case 0x0e:
16461: case 0x0f:
16462: // EOI
16463: pic[0].isr &= ~(1 << (num - 0x08));
16464: pic_update();
16465: break;
1.1 root 16466: case 0x10:
16467: // PC BIOS - Video
1.1.1.14 root 16468: if(!restore_console_on_exit) {
1.1.1.15 root 16469: change_console_size(scr_width, scr_height);
1.1 root 16470: }
1.1.1.3 root 16471: m_CF = 0;
1.1 root 16472: switch(REG8(AH)) {
1.1.1.16 root 16473: case 0x00: pcbios_int_10h_00h(); break;
1.1 root 16474: case 0x01: pcbios_int_10h_01h(); break;
16475: case 0x02: pcbios_int_10h_02h(); break;
16476: case 0x03: pcbios_int_10h_03h(); break;
16477: case 0x05: pcbios_int_10h_05h(); break;
16478: case 0x06: pcbios_int_10h_06h(); break;
16479: case 0x07: pcbios_int_10h_07h(); break;
16480: case 0x08: pcbios_int_10h_08h(); break;
16481: case 0x09: pcbios_int_10h_09h(); break;
16482: case 0x0a: pcbios_int_10h_0ah(); break;
16483: case 0x0b: break;
1.1.1.40 root 16484: case 0x0c: pcbios_int_10h_0ch(); break;
16485: case 0x0d: pcbios_int_10h_0dh(); break;
1.1 root 16486: case 0x0e: pcbios_int_10h_0eh(); break;
16487: case 0x0f: pcbios_int_10h_0fh(); break;
16488: case 0x10: break;
1.1.1.14 root 16489: case 0x11: pcbios_int_10h_11h(); break;
16490: case 0x12: pcbios_int_10h_12h(); break;
1.1 root 16491: case 0x13: pcbios_int_10h_13h(); break;
1.1.1.30 root 16492: case 0x18: pcbios_int_10h_18h(); break;
1.1.1.14 root 16493: case 0x1a: pcbios_int_10h_1ah(); break;
1.1.1.24 root 16494: case 0x1b: REG8(AL) = 0x00; break; // functionality/state information is not supported
16495: case 0x1c: REG8(AL) = 0x00; break; // save/restore video state is not supported
1.1 root 16496: case 0x1d: pcbios_int_10h_1dh(); break;
1.1.1.24 root 16497: case 0x1e: REG8(AL) = 0x00; break; // flat-panel functions are not supported
16498: case 0x1f: REG8(AL) = 0x00; break; // xga functions are not supported
1.1.1.22 root 16499: case 0x4f: pcbios_int_10h_4fh(); break;
1.1.1.30 root 16500: case 0x6f: break;
1.1.1.22 root 16501: case 0x80: m_CF = 1; break; // unknown
16502: case 0x81: m_CF = 1; break; // unknown
1.1 root 16503: case 0x82: pcbios_int_10h_82h(); break;
1.1.1.22 root 16504: case 0x83: pcbios_int_10h_83h(); break;
16505: case 0x8b: break;
16506: case 0x8c: m_CF = 1; break; // unknown
16507: case 0x8d: m_CF = 1; break; // unknown
16508: case 0x8e: m_CF = 1; break; // unknown
16509: case 0x90: pcbios_int_10h_90h(); break;
16510: case 0x91: pcbios_int_10h_91h(); break;
16511: case 0x92: break;
16512: case 0x93: break;
16513: case 0xef: pcbios_int_10h_efh(); break;
1.1.1.24 root 16514: case 0xfa: break; // ega register interface library is not installed
1.1 root 16515: case 0xfe: pcbios_int_10h_feh(); break;
16516: case 0xff: pcbios_int_10h_ffh(); break;
16517: default:
1.1.1.22 root 16518: 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));
16519: m_CF = 1;
1.1 root 16520: break;
16521: }
16522: break;
16523: case 0x11:
16524: // PC BIOS - Get Equipment List
1.1.1.26 root 16525: REG16(AX) = msdos_get_equipment();
1.1 root 16526: break;
16527: case 0x12:
16528: // PC BIOS - Get Memory Size
1.1.1.33 root 16529: REG16(AX) = *(UINT16 *)(mem + 0x413);
1.1 root 16530: break;
16531: case 0x13:
1.1.1.42 root 16532: // PC BIOS - Disk I/O
16533: {
16534: static UINT8 last = 0x00;
16535: switch(REG8(AH)) {
16536: case 0x00: pcbios_int_13h_00h(); break;
16537: case 0x01: // get last status
16538: REG8(AH) = last;
16539: break;
16540: case 0x02: pcbios_int_13h_02h(); break;
16541: case 0x03: pcbios_int_13h_03h(); break;
16542: case 0x04: pcbios_int_13h_04h(); break;
16543: case 0x08: pcbios_int_13h_08h(); break;
16544: case 0x0a: pcbios_int_13h_02h(); break;
16545: case 0x0b: pcbios_int_13h_03h(); break;
16546: case 0x0d: pcbios_int_13h_00h(); break;
16547: case 0x10: pcbios_int_13h_10h(); break;
16548: case 0x15: pcbios_int_13h_15h(); break;
1.1.1.43 root 16549: case 0x41: pcbios_int_13h_41h(); break;
1.1.1.42 root 16550: case 0x05: // format
16551: case 0x06:
16552: case 0x07:
16553: REG8(AH) = 0x0c; // unsupported track or invalid media
16554: m_CF = 1;
16555: break;
16556: case 0x09:
16557: case 0x0c: // seek
16558: case 0x11: // recalib
16559: case 0x14:
16560: case 0x17:
16561: REG8(AH) = 0x00; // successful completion
16562: break;
1.1.1.43 root 16563: case 0x21: // QUICKCACHE II v4.20 - Flush Cache
16564: case 0xa1: // Super PC-Kwik v3.20+ - Flush Cache
16565: REG8(AH) = 0x01; // invalid function
16566: m_CF = 1;
16567: break;
1.1.1.42 root 16568: default:
16569: 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));
16570: REG8(AH) = 0x01; // invalid function
16571: m_CF = 1;
16572: break;
16573: }
16574: last = REG8(AH);
16575: }
1.1 root 16576: break;
16577: case 0x14:
16578: // PC BIOS - Serial I/O
1.1.1.25 root 16579: switch(REG8(AH)) {
16580: case 0x00: pcbios_int_14h_00h(); break;
16581: case 0x01: pcbios_int_14h_01h(); break;
16582: case 0x02: pcbios_int_14h_02h(); break;
16583: case 0x03: pcbios_int_14h_03h(); break;
16584: case 0x04: pcbios_int_14h_04h(); break;
16585: case 0x05: pcbios_int_14h_05h(); break;
16586: default:
16587: 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));
16588: break;
16589: }
1.1 root 16590: break;
16591: case 0x15:
16592: // PC BIOS
1.1.1.3 root 16593: m_CF = 0;
1.1 root 16594: switch(REG8(AH)) {
1.1.1.14 root 16595: case 0x10: pcbios_int_15h_10h(); break;
1.1 root 16596: case 0x23: pcbios_int_15h_23h(); break;
16597: case 0x24: pcbios_int_15h_24h(); break;
1.1.1.24 root 16598: case 0x41: break;
1.1 root 16599: case 0x49: pcbios_int_15h_49h(); break;
1.1.1.22 root 16600: case 0x50: pcbios_int_15h_50h(); break;
1.1.1.30 root 16601: case 0x53: pcbios_int_15h_53h(); break;
1.1.1.43 root 16602: case 0x84: pcbios_int_15h_84h(); break;
1.1 root 16603: case 0x86: pcbios_int_15h_86h(); break;
16604: case 0x87: pcbios_int_15h_87h(); break;
16605: case 0x88: pcbios_int_15h_88h(); break;
16606: case 0x89: pcbios_int_15h_89h(); break;
1.1.1.21 root 16607: case 0x8a: pcbios_int_15h_8ah(); break;
1.1.1.22 root 16608: case 0xc0: // PS/2 ???
1.1.1.54! root 16609: #ifndef EXT_BIOS_TOP
1.1.1.22 root 16610: case 0xc1:
1.1.1.54! root 16611: #endif
1.1.1.30 root 16612: case 0xc3: // PS50+ ???
16613: case 0xc4:
1.1.1.22 root 16614: REG8(AH) = 0x86;
16615: m_CF = 1;
16616: break;
1.1.1.54! root 16617: #ifdef EXT_BIOS_TOP
! 16618: case 0xc1: pcbios_int_15h_c1h(); break;
! 16619: #endif
! 16620: case 0xc2: pcbios_int_15h_c2h(); break;
1.1.1.3 root 16621: #if defined(HAS_I386)
1.1 root 16622: case 0xc9: pcbios_int_15h_c9h(); break;
1.1.1.3 root 16623: #endif
1.1 root 16624: case 0xca: pcbios_int_15h_cah(); break;
1.1.1.22 root 16625: case 0xe8: pcbios_int_15h_e8h(); break;
1.1 root 16626: default:
1.1.1.22 root 16627: 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));
16628: REG8(AH) = 0x86;
1.1.1.3 root 16629: m_CF = 1;
1.1 root 16630: break;
16631: }
16632: break;
16633: case 0x16:
16634: // PC BIOS - Keyboard
1.1.1.3 root 16635: m_CF = 0;
1.1 root 16636: switch(REG8(AH)) {
16637: case 0x00: pcbios_int_16h_00h(); break;
16638: case 0x01: pcbios_int_16h_01h(); break;
16639: case 0x02: pcbios_int_16h_02h(); break;
16640: case 0x03: pcbios_int_16h_03h(); break;
16641: case 0x05: pcbios_int_16h_05h(); break;
16642: case 0x10: pcbios_int_16h_00h(); break;
16643: case 0x11: pcbios_int_16h_01h(); break;
16644: case 0x12: pcbios_int_16h_12h(); break;
16645: case 0x13: pcbios_int_16h_13h(); break;
16646: case 0x14: pcbios_int_16h_14h(); break;
1.1.1.24 root 16647: case 0x55: pcbios_int_16h_55h(); break;
1.1.1.30 root 16648: case 0x6f: pcbios_int_16h_6fh(); break;
1.1.1.22 root 16649: case 0xda: break; // unknown
1.1.1.43 root 16650: case 0xdb: break; // unknown
1.1.1.22 root 16651: case 0xff: break; // unknown
1.1 root 16652: default:
1.1.1.22 root 16653: 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 16654: break;
16655: }
16656: break;
16657: case 0x17:
16658: // PC BIOS - Printer
1.1.1.37 root 16659: m_CF = 0;
16660: switch(REG8(AH)) {
16661: case 0x00: pcbios_int_17h_00h(); break;
16662: case 0x01: pcbios_int_17h_01h(); break;
16663: case 0x02: pcbios_int_17h_02h(); break;
16664: case 0x03: pcbios_int_17h_03h(); break;
16665: case 0x50: pcbios_int_17h_50h(); break;
16666: case 0x51: pcbios_int_17h_51h(); break;
16667: case 0x52: pcbios_int_17h_52h(); break;
16668: case 0x84: pcbios_int_17h_84h(); break;
16669: case 0x85: pcbios_int_17h_85h(); break;
16670: default:
16671: 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));
16672: break;
16673: }
1.1 root 16674: break;
16675: case 0x1a:
16676: // PC BIOS - Timer
1.1.1.3 root 16677: m_CF = 0;
1.1 root 16678: switch(REG8(AH)) {
16679: case 0x00: pcbios_int_1ah_00h(); break;
16680: case 0x01: break;
16681: case 0x02: pcbios_int_1ah_02h(); break;
16682: case 0x03: break;
16683: case 0x04: pcbios_int_1ah_04h(); break;
16684: case 0x05: break;
16685: case 0x0a: pcbios_int_1ah_0ah(); break;
16686: case 0x0b: break;
1.1.1.14 root 16687: case 0x35: break; // Word Perfect Third Party Interface?
16688: case 0x36: break; // Word Perfect Third Party Interface
16689: case 0x70: break; // SNAP? (Simple Network Application Protocol)
1.1.1.44 root 16690: case 0xb0: break; // Microsoft Real-Time Compression Interface (MRCI)
1.1.1.43 root 16691: case 0xb1: break; // PCI BIOS v2.0c+
16692: case 0xb4: break; // Intel Plug-and-Play Auto-Configuration
1.1 root 16693: default:
1.1.1.22 root 16694: 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 16695: break;
16696: }
16697: break;
1.1.1.33 root 16698: case 0x1b:
16699: mem[0x471] = 0x00;
16700: break;
1.1 root 16701: case 0x20:
1.1.1.28 root 16702: try {
16703: msdos_process_terminate(SREG(CS), retval, 1);
16704: } catch(...) {
16705: fatalerror("failed to terminate the process (PSP=%04X) by int 20h\n", SREG(CS));
16706: }
1.1 root 16707: break;
1.1.1.49 root 16708: case 0x30:
1.1.1.46 root 16709: // dummy interrupt for case map routine pointed in the country info
16710: // if(!(REG8(CL) >= 0x00 && REG8(CL) <= 0x24)) {
16711: // REG8(AL) = 0x00;
16712: // break;
16713: // }
1.1 root 16714: case 0x21:
16715: // MS-DOS System Call
1.1.1.3 root 16716: m_CF = 0;
1.1.1.28 root 16717: try {
1.1.1.46 root 16718: switch(num == 0x21 ? REG8(AH) : REG8(CL)) {
1.1.1.28 root 16719: case 0x00: msdos_int_21h_00h(); break;
16720: case 0x01: msdos_int_21h_01h(); break;
16721: case 0x02: msdos_int_21h_02h(); break;
16722: case 0x03: msdos_int_21h_03h(); break;
16723: case 0x04: msdos_int_21h_04h(); break;
16724: case 0x05: msdos_int_21h_05h(); break;
16725: case 0x06: msdos_int_21h_06h(); break;
16726: case 0x07: msdos_int_21h_07h(); break;
16727: case 0x08: msdos_int_21h_08h(); break;
16728: case 0x09: msdos_int_21h_09h(); break;
16729: case 0x0a: msdos_int_21h_0ah(); break;
16730: case 0x0b: msdos_int_21h_0bh(); break;
16731: case 0x0c: msdos_int_21h_0ch(); break;
16732: case 0x0d: msdos_int_21h_0dh(); break;
16733: case 0x0e: msdos_int_21h_0eh(); break;
16734: case 0x0f: msdos_int_21h_0fh(); break;
16735: case 0x10: msdos_int_21h_10h(); break;
16736: case 0x11: msdos_int_21h_11h(); break;
16737: case 0x12: msdos_int_21h_12h(); break;
16738: case 0x13: msdos_int_21h_13h(); break;
16739: case 0x14: msdos_int_21h_14h(); break;
16740: case 0x15: msdos_int_21h_15h(); break;
16741: case 0x16: msdos_int_21h_16h(); break;
16742: case 0x17: msdos_int_21h_17h(); break;
16743: case 0x18: msdos_int_21h_18h(); break;
16744: case 0x19: msdos_int_21h_19h(); break;
16745: case 0x1a: msdos_int_21h_1ah(); break;
16746: case 0x1b: msdos_int_21h_1bh(); break;
16747: case 0x1c: msdos_int_21h_1ch(); break;
16748: case 0x1d: msdos_int_21h_1dh(); break;
16749: case 0x1e: msdos_int_21h_1eh(); break;
16750: case 0x1f: msdos_int_21h_1fh(); break;
16751: case 0x20: msdos_int_21h_20h(); break;
16752: case 0x21: msdos_int_21h_21h(); break;
16753: case 0x22: msdos_int_21h_22h(); break;
16754: case 0x23: msdos_int_21h_23h(); break;
16755: case 0x24: msdos_int_21h_24h(); break;
16756: case 0x25: msdos_int_21h_25h(); break;
16757: case 0x26: msdos_int_21h_26h(); break;
16758: case 0x27: msdos_int_21h_27h(); break;
16759: case 0x28: msdos_int_21h_28h(); break;
16760: case 0x29: msdos_int_21h_29h(); break;
16761: case 0x2a: msdos_int_21h_2ah(); break;
16762: case 0x2b: msdos_int_21h_2bh(); break;
16763: case 0x2c: msdos_int_21h_2ch(); break;
16764: case 0x2d: msdos_int_21h_2dh(); break;
16765: case 0x2e: msdos_int_21h_2eh(); break;
16766: case 0x2f: msdos_int_21h_2fh(); break;
16767: case 0x30: msdos_int_21h_30h(); break;
16768: case 0x31: msdos_int_21h_31h(); break;
16769: case 0x32: msdos_int_21h_32h(); break;
16770: case 0x33: msdos_int_21h_33h(); break;
16771: case 0x34: msdos_int_21h_34h(); break;
16772: case 0x35: msdos_int_21h_35h(); break;
16773: case 0x36: msdos_int_21h_36h(); break;
16774: case 0x37: msdos_int_21h_37h(); break;
16775: case 0x38: msdos_int_21h_38h(); break;
16776: case 0x39: msdos_int_21h_39h(0); break;
16777: case 0x3a: msdos_int_21h_3ah(0); break;
16778: case 0x3b: msdos_int_21h_3bh(0); break;
16779: case 0x3c: msdos_int_21h_3ch(); break;
16780: case 0x3d: msdos_int_21h_3dh(); break;
16781: case 0x3e: msdos_int_21h_3eh(); break;
16782: case 0x3f: msdos_int_21h_3fh(); break;
16783: case 0x40: msdos_int_21h_40h(); break;
16784: case 0x41: msdos_int_21h_41h(0); break;
16785: case 0x42: msdos_int_21h_42h(); break;
16786: case 0x43: msdos_int_21h_43h(0); break;
16787: case 0x44: msdos_int_21h_44h(); break;
16788: case 0x45: msdos_int_21h_45h(); break;
16789: case 0x46: msdos_int_21h_46h(); break;
16790: case 0x47: msdos_int_21h_47h(0); break;
16791: case 0x48: msdos_int_21h_48h(); break;
16792: case 0x49: msdos_int_21h_49h(); break;
16793: case 0x4a: msdos_int_21h_4ah(); break;
16794: case 0x4b: msdos_int_21h_4bh(); break;
16795: case 0x4c: msdos_int_21h_4ch(); break;
16796: case 0x4d: msdos_int_21h_4dh(); break;
16797: case 0x4e: msdos_int_21h_4eh(); break;
16798: case 0x4f: msdos_int_21h_4fh(); break;
16799: case 0x50: msdos_int_21h_50h(); break;
16800: case 0x51: msdos_int_21h_51h(); break;
16801: case 0x52: msdos_int_21h_52h(); break;
1.1.1.43 root 16802: case 0x53: msdos_int_21h_53h(); break;
1.1.1.28 root 16803: case 0x54: msdos_int_21h_54h(); break;
16804: case 0x55: msdos_int_21h_55h(); break;
16805: case 0x56: msdos_int_21h_56h(0); break;
16806: case 0x57: msdos_int_21h_57h(); break;
16807: case 0x58: msdos_int_21h_58h(); break;
16808: case 0x59: msdos_int_21h_59h(); break;
16809: case 0x5a: msdos_int_21h_5ah(); break;
16810: case 0x5b: msdos_int_21h_5bh(); break;
16811: case 0x5c: msdos_int_21h_5ch(); break;
16812: case 0x5d: msdos_int_21h_5dh(); break;
1.1.1.42 root 16813: case 0x5e: msdos_int_21h_5eh(); break;
1.1.1.30 root 16814: case 0x5f: msdos_int_21h_5fh(); break;
1.1.1.28 root 16815: case 0x60: msdos_int_21h_60h(0); break;
16816: case 0x61: msdos_int_21h_61h(); break;
16817: case 0x62: msdos_int_21h_62h(); break;
16818: case 0x63: msdos_int_21h_63h(); break;
1.1.1.33 root 16819: // 0x64: Set Device Driver Lockahead Flag
1.1.1.28 root 16820: case 0x65: msdos_int_21h_65h(); break;
16821: case 0x66: msdos_int_21h_66h(); break;
16822: case 0x67: msdos_int_21h_67h(); break;
16823: case 0x68: msdos_int_21h_68h(); break;
16824: case 0x69: msdos_int_21h_69h(); break;
16825: case 0x6a: msdos_int_21h_6ah(); break;
16826: case 0x6b: msdos_int_21h_6bh(); break;
16827: case 0x6c: msdos_int_21h_6ch(0); break;
1.1.1.48 root 16828: case 0x6d: // Find First ROM Program
16829: case 0x6e: // Find Next ROM Program
16830: case 0x6f: // Get/Set ROM Scan Start Address
16831: REG8(AL) = 0x00; // if not supported (DOS <5, MS-DOS 5+ non-ROM versions)
16832: break;
1.1.1.43 root 16833: case 0x70: msdos_int_21h_70h(); break;
1.1.1.48 root 16834: case 0x71: // Windows95 - Long Filename Functions
1.1.1.28 root 16835: switch(REG8(AL)) {
16836: case 0x0d: msdos_int_21h_710dh(); break;
16837: case 0x39: msdos_int_21h_39h(1); break;
16838: case 0x3a: msdos_int_21h_3ah(1); break;
16839: case 0x3b: msdos_int_21h_3bh(1); break;
1.1.1.48 root 16840: case 0x41: msdos_int_21h_7141h(); break;
1.1.1.28 root 16841: case 0x43: msdos_int_21h_43h(1); break;
16842: case 0x47: msdos_int_21h_47h(1); break;
16843: case 0x4e: msdos_int_21h_714eh(); break;
16844: case 0x4f: msdos_int_21h_714fh(); break;
16845: case 0x56: msdos_int_21h_56h(1); break;
16846: case 0x60: msdos_int_21h_60h(1); break;
16847: case 0x6c: msdos_int_21h_6ch(1); break;
16848: case 0xa0: msdos_int_21h_71a0h(); break;
16849: case 0xa1: msdos_int_21h_71a1h(); break;
16850: case 0xa6: msdos_int_21h_71a6h(); break;
16851: case 0xa7: msdos_int_21h_71a7h(); break;
16852: case 0xa8: msdos_int_21h_71a8h(); break;
1.1.1.45 root 16853: case 0xa9: msdos_int_21h_6ch(1); break;
1.1.1.28 root 16854: case 0xaa: msdos_int_21h_71aah(); break;
16855: default:
16856: 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));
16857: REG16(AX) = 0x7100;
16858: m_CF = 1;
16859: break;
16860: }
16861: break;
1.1.1.48 root 16862: case 0x72: // Windows95 beta - LFN FindClose
16863: // 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));
16864: REG16(AX) = 0x7200;
16865: m_CF = 1;
16866: break;
16867: case 0x73: // Windows95 - FAT32 Functions
1.1.1.28 root 16868: switch(REG8(AL)) {
16869: case 0x00: msdos_int_21h_7300h(); break;
1.1.1.33 root 16870: // 0x01: Set Drive Locking ???
1.1.1.28 root 16871: case 0x02: msdos_int_21h_7302h(); break;
16872: case 0x03: msdos_int_21h_7303h(); break;
1.1.1.33 root 16873: // 0x04: Set DPB to Use for Formatting
16874: // 0x05: Extended Absolute Disk Read/Write
1.1.1.28 root 16875: default:
16876: 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));
16877: REG16(AX) = 0x7300;
16878: m_CF = 1;
16879: break;
16880: }
1.1 root 16881: break;
1.1.1.30 root 16882: case 0xdb: msdos_int_21h_dbh(); break;
16883: case 0xdc: msdos_int_21h_dch(); break;
1.1 root 16884: default:
1.1.1.22 root 16885: 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 16886: REG16(AX) = 0x01;
1.1.1.3 root 16887: m_CF = 1;
1.1 root 16888: break;
16889: }
1.1.1.28 root 16890: } catch(int error) {
16891: REG16(AX) = error;
16892: m_CF = 1;
16893: } catch(...) {
16894: REG16(AX) = 0x1f; // general failure
1.1.1.3 root 16895: m_CF = 1;
1.1 root 16896: }
1.1.1.3 root 16897: if(m_CF) {
1.1.1.23 root 16898: sda_t *sda = (sda_t *)(mem + SDA_TOP);
1.1.1.47 root 16899: sda->int21h_5d0ah_called = 0;
1.1.1.23 root 16900: sda->extended_error_code = REG16(AX);
16901: switch(sda->extended_error_code) {
16902: case 4: // Too many open files
16903: case 8: // Insufficient memory
16904: sda->error_class = 1; // Out of resource
16905: break;
16906: case 5: // Access denied
16907: sda->error_class = 3; // Authorization
16908: break;
16909: case 7: // Memory control block destroyed
16910: sda->error_class = 4; // Internal
16911: break;
16912: case 2: // File not found
16913: case 3: // Path not found
16914: case 15: // Invaid drive specified
16915: case 18: // No more files
16916: sda->error_class = 8; // Not found
16917: break;
16918: case 32: // Sharing violation
16919: case 33: // Lock violation
16920: sda->error_class = 10; // Locked
16921: break;
16922: // case 16: // Removal of current directory attempted
16923: case 19: // Attempted write on protected disk
16924: case 21: // Drive not ready
16925: // case 29: // Write failure
16926: // case 30: // Read failure
16927: // case 82: // Cannot create subdirectory
16928: sda->error_class = 11; // Media
16929: break;
16930: case 80: // File already exists
16931: sda->error_class = 12; // Already exist
16932: break;
16933: default:
16934: sda->error_class = 13; // Unknown
16935: break;
16936: }
16937: sda->suggested_action = 1; // Retry
16938: sda->locus_of_last_error = 1; // Unknown
1.1 root 16939: }
1.1.1.33 root 16940: if(ctrl_break_checking && ctrl_break_detected) {
1.1.1.26 root 16941: // raise int 23h
16942: #if defined(HAS_I386)
16943: m_ext = 0; // not an external interrupt
16944: i386_trap(0x23, 1, 0);
16945: m_ext = 1;
16946: #else
16947: PREFIX86(_interrupt)(0x23);
16948: #endif
16949: }
1.1 root 16950: break;
16951: case 0x22:
16952: fatalerror("int 22h (terminate address)\n");
16953: case 0x23:
1.1.1.28 root 16954: try {
16955: msdos_process_terminate(current_psp, (retval & 0xff) | 0x100, 1);
16956: } catch(...) {
16957: fatalerror("failed to terminate the current process by int 23h\n");
16958: }
1.1 root 16959: break;
16960: case 0x24:
1.1.1.32 root 16961: /*
1.1.1.28 root 16962: try {
16963: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
16964: } catch(...) {
16965: fatalerror("failed to terminate the current process by int 24h\n");
16966: }
1.1.1.32 root 16967: */
16968: msdos_int_24h();
1.1 root 16969: break;
16970: case 0x25:
16971: msdos_int_25h();
16972: break;
16973: case 0x26:
16974: msdos_int_26h();
16975: break;
16976: case 0x27:
1.1.1.28 root 16977: try {
16978: msdos_int_27h();
16979: } catch(...) {
16980: fatalerror("failed to terminate the process (PSP=%04X) by int 27h\n", SREG(CS));
16981: }
1.1 root 16982: break;
16983: case 0x28:
16984: Sleep(10);
1.1.1.35 root 16985: REQUEST_HARDWRE_UPDATE();
1.1 root 16986: break;
16987: case 0x29:
16988: msdos_int_29h();
16989: break;
16990: case 0x2e:
16991: msdos_int_2eh();
16992: break;
16993: case 0x2f:
16994: // multiplex interrupt
16995: switch(REG8(AH)) {
1.1.1.22 root 16996: case 0x05: msdos_int_2fh_05h(); break;
1.1.1.44 root 16997: case 0x06: msdos_int_2fh_06h(); break;
1.1.1.22 root 16998: case 0x11: msdos_int_2fh_11h(); break;
1.1.1.21 root 16999: case 0x12: msdos_int_2fh_12h(); break;
1.1.1.30 root 17000: case 0x13: msdos_int_2fh_13h(); break;
1.1.1.22 root 17001: case 0x14: msdos_int_2fh_14h(); break;
17002: case 0x15: msdos_int_2fh_15h(); break;
1.1 root 17003: case 0x16: msdos_int_2fh_16h(); break;
1.1.1.22 root 17004: case 0x19: msdos_int_2fh_19h(); break;
1.1 root 17005: case 0x1a: msdos_int_2fh_1ah(); break;
1.1.1.30 root 17006: case 0x40: msdos_int_2fh_40h(); break;
1.1 root 17007: case 0x43: msdos_int_2fh_43h(); break;
1.1.1.22 root 17008: case 0x46: msdos_int_2fh_46h(); break;
17009: case 0x48: msdos_int_2fh_48h(); break;
1.1 root 17010: case 0x4a: msdos_int_2fh_4ah(); break;
1.1.1.22 root 17011: case 0x4b: msdos_int_2fh_4bh(); break;
1.1.1.44 root 17012: case 0x4d: msdos_int_2fh_4dh(); break;
1.1 root 17013: case 0x4f: msdos_int_2fh_4fh(); break;
1.1.1.22 root 17014: case 0x55: msdos_int_2fh_55h(); break;
1.1.1.44 root 17015: case 0x56: msdos_int_2fh_56h(); break;
1.1.1.24 root 17016: case 0xad: msdos_int_2fh_adh(); break;
1.1 root 17017: case 0xae: msdos_int_2fh_aeh(); break;
1.1.1.34 root 17018: case 0xb7: msdos_int_2fh_b7h(); break;
1.1.1.43 root 17019: default:
1.1.1.30 root 17020: switch(REG8(AL)) {
17021: case 0x00:
17022: // This is not installed
17023: // REG8(AL) = 0x00;
17024: break;
1.1.1.33 root 17025: case 0x01:
1.1.1.42 root 17026: // Quarterdeck RPCI - QEMM/QRAM - PCL-838.EXE is not installed
17027: if(REG8(AH) == 0xd2 && REG16(BX) == 0x5145 && REG16(CX) == 0x4d4d && REG16(DX) == 0x3432) {
17028: break;
17029: }
1.1.1.33 root 17030: // Banyan VINES v4+ is not installed
17031: if(REG8(AH) == 0xd7 && REG16(BX) == 0x0000) {
17032: break;
17033: }
1.1.1.42 root 17034: // Quarterdeck QDPMI.SYS v1.0 is not installed
17035: if(REG8(AH) == 0xde && REG16(BX) == 0x4450 && REG16(CX) == 0x4d49 && REG16(DX) == 0x8f4f) {
17036: break;
17037: }
1.1.1.30 root 17038: default:
1.1.1.42 root 17039: // NORTON UTILITIES 5.0+
17040: if(REG8(AH) == 0xfe && REG16(DI) == 0x4e55) {
17041: break;
17042: }
1.1.1.30 root 17043: 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 17044: REG16(AX) = 0x01; // invalid function
1.1.1.30 root 17045: m_CF = 1;
17046: break;
17047: }
17048: break;
1.1 root 17049: }
17050: break;
1.1.1.24 root 17051: case 0x33:
17052: switch(REG8(AH)) {
17053: case 0x00:
17054: // Mouse
1.1.1.49 root 17055: switch(REG16(AX)) {
17056: case 0x0000: msdos_int_33h_0000h(); break;
17057: case 0x0001: msdos_int_33h_0001h(); break;
17058: case 0x0002: msdos_int_33h_0002h(); break;
17059: case 0x0003: msdos_int_33h_0003h(); break;
17060: case 0x0004: msdos_int_33h_0004h(); break;
17061: case 0x0005: msdos_int_33h_0005h(); break;
17062: case 0x0006: msdos_int_33h_0006h(); break;
17063: case 0x0007: msdos_int_33h_0007h(); break;
17064: case 0x0008: msdos_int_33h_0008h(); break;
17065: case 0x0009: msdos_int_33h_0009h(); break;
17066: case 0x000a: msdos_int_33h_000ah(); break;
17067: case 0x000b: msdos_int_33h_000bh(); break;
17068: case 0x000c: msdos_int_33h_000ch(); break;
17069: case 0x000d: break; // MS MOUSE v1.0+ - Light Pen Emulation On
17070: case 0x000e: break; // MS MOUSE v1.0+ - Light Pen Emulation Off
17071: case 0x000f: msdos_int_33h_000fh(); break;
17072: case 0x0010: break; // MS MOUSE v1.0+ - Define Screen Region for Updating
17073: case 0x0011: msdos_int_33h_0011h(); break;
17074: case 0x0012: REG16(AX) = 0xffff; break; // MS MOUSE - Set Large Graphics Cursor Block
17075: case 0x0013: break; // MS MOUSE v5.0+ - Define Double-Speed Threshold
17076: case 0x0014: msdos_int_33h_0014h(); break;
17077: case 0x0015: msdos_int_33h_0015h(); break;
17078: case 0x0016: msdos_int_33h_0016h(); break;
17079: case 0x0017: msdos_int_33h_0017h(); break;
17080: case 0x0018: msdos_int_33h_0018h(); break;
17081: case 0x0019: msdos_int_33h_0019h(); break;
17082: case 0x001a: msdos_int_33h_001ah(); break;
17083: case 0x001b: msdos_int_33h_001bh(); break;
17084: case 0x001c: break; // MS MOUSE v6.0+ - Set Interrupt Rate
17085: case 0x001d: msdos_int_33h_001dh(); break;
17086: case 0x001e: msdos_int_33h_001eh(); break;
17087: case 0x001f: msdos_int_33h_001fh(); break;
17088: case 0x0020: msdos_int_33h_0020h(); break;
17089: case 0x0021: msdos_int_33h_0021h(); break;
17090: case 0x0022: msdos_int_33h_0022h(); break;
17091: case 0x0023: msdos_int_33h_0023h(); break;
17092: case 0x0024: msdos_int_33h_0024h(); break;
17093: case 0x0025: msdos_int_33h_0025h(); break;
17094: case 0x0026: msdos_int_33h_0026h(); break;
17095: case 0x0027: msdos_int_33h_0027h(); break;
17096: case 0x0028: msdos_int_33h_0028h(); break;
17097: case 0x0029: msdos_int_33h_0029h(); break;
17098: case 0x002a: msdos_int_33h_002ah(); break;
17099: // 0x002b: MS MOUSE v7.0+ - Load Acceleration Profiles
17100: // 0x002c: MS MOUSE v7.0+ - Get Acceleration Profiles
17101: // 0x002d: MS MOUSE v7.0+ - Select Acceleration Profile
17102: // 0x002e: MS MOUSE v8.10+ - Set Acceleration Profile Names
17103: case 0x002f: break; // Mouse Hardware Reset
17104: // 0x0030: MS MOUSE v7.04+ - Get/Set BallPoint Information
17105: case 0x0031: msdos_int_33h_0031h(); break;
17106: case 0x0032: msdos_int_33h_0032h(); break;
17107: // 0x0033: MS MOUSE v7.05+ - Get Switch Settings And Acceleration Profile Data
17108: // 0x0034: MS MOUSE v8.0+ - Get Initialization File
17109: // 0x0035: MS MOUSE v8.10+ - LCD Screen Large Pointer Support
17110: case 0x004d: msdos_int_33h_004dh(); break;
17111: case 0x006d: msdos_int_33h_006dh(); break;
1.1.1.24 root 17112: default:
17113: 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));
17114: break;
17115: }
17116: break;
17117: default:
17118: 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));
17119: break;
17120: }
17121: break;
1.1.1.50 root 17122: /*
17123: case 0x67:
17124: // int 67h handler is in EMS device driver (EMMXXXX0) and it calls int 68h
17125: // NOTE: some softwares get address of int 67h handler and recognize the address is in EMS device driver
17126: break;
17127: */
1.1.1.19 root 17128: case 0x68:
17129: // dummy interrupt for EMS (int 67h)
17130: switch(REG8(AH)) {
17131: case 0x40: msdos_int_67h_40h(); break;
17132: case 0x41: msdos_int_67h_41h(); break;
17133: case 0x42: msdos_int_67h_42h(); break;
17134: case 0x43: msdos_int_67h_43h(); break;
17135: case 0x44: msdos_int_67h_44h(); break;
17136: case 0x45: msdos_int_67h_45h(); break;
17137: case 0x46: msdos_int_67h_46h(); break;
17138: case 0x47: msdos_int_67h_47h(); break;
17139: case 0x48: msdos_int_67h_48h(); break;
1.1.1.20 root 17140: // 0x49: LIM EMS - Reserved - Get I/O Port Address (Undocumented in EMS 3.2)
17141: // 0x4a: LIM EMS - Reserved - Get Translation Array (Undocumented in EMS 3.2)
1.1.1.19 root 17142: case 0x4b: msdos_int_67h_4bh(); break;
17143: case 0x4c: msdos_int_67h_4ch(); break;
17144: case 0x4d: msdos_int_67h_4dh(); break;
1.1.1.20 root 17145: case 0x4e: msdos_int_67h_4eh(); break;
1.1.1.21 root 17146: case 0x4f: msdos_int_67h_4fh(); break;
1.1.1.20 root 17147: case 0x50: msdos_int_67h_50h(); break;
1.1.1.19 root 17148: case 0x51: msdos_int_67h_51h(); break;
1.1.1.20 root 17149: case 0x52: msdos_int_67h_52h(); break;
1.1.1.19 root 17150: case 0x53: msdos_int_67h_53h(); break;
17151: case 0x54: msdos_int_67h_54h(); break;
1.1.1.49 root 17152: case 0x55: msdos_int_67h_55h(); break;
17153: case 0x56: msdos_int_67h_56h(); break;
1.1.1.20 root 17154: case 0x57: msdos_int_67h_57h(); break;
17155: case 0x58: msdos_int_67h_58h(); break;
1.1.1.42 root 17156: case 0x59: msdos_int_67h_59h(); break;
1.1.1.20 root 17157: case 0x5a: msdos_int_67h_5ah(); break;
1.1.1.49 root 17158: case 0x5b: msdos_int_67h_5bh(); break;
1.1.1.43 root 17159: // 0x5c: LIM EMS 4.0 - Prepare Expanded Memory Hardware For Warm Boot
17160: case 0x5d: msdos_int_67h_5dh(); break;
1.1.1.49 root 17161: case 0x70: msdos_int_67h_70h(); break;
1.1.1.31 root 17162: // 0xde: VCPI
1.1.1.30 root 17163: case 0xde: msdos_int_67h_deh(); break;
1.1.1.19 root 17164: default:
1.1.1.22 root 17165: 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 17166: REG8(AH) = 0x84;
17167: break;
17168: }
17169: break;
17170: #ifdef SUPPORT_XMS
17171: case 0x69:
17172: // dummy interrupt for XMS (call far)
1.1.1.28 root 17173: try {
17174: switch(REG8(AH)) {
17175: case 0x00: msdos_call_xms_00h(); break;
17176: case 0x01: msdos_call_xms_01h(); break;
17177: case 0x02: msdos_call_xms_02h(); break;
17178: case 0x03: msdos_call_xms_03h(); break;
17179: case 0x04: msdos_call_xms_04h(); break;
17180: case 0x05: msdos_call_xms_05h(); break;
17181: case 0x06: msdos_call_xms_06h(); break;
17182: case 0x07: msdos_call_xms_07h(); break;
17183: case 0x08: msdos_call_xms_08h(); break;
17184: case 0x09: msdos_call_xms_09h(); break;
17185: case 0x0a: msdos_call_xms_0ah(); break;
17186: case 0x0b: msdos_call_xms_0bh(); break;
17187: case 0x0c: msdos_call_xms_0ch(); break;
17188: case 0x0d: msdos_call_xms_0dh(); break;
17189: case 0x0e: msdos_call_xms_0eh(); break;
17190: case 0x0f: msdos_call_xms_0fh(); break;
17191: case 0x10: msdos_call_xms_10h(); break;
17192: case 0x11: msdos_call_xms_11h(); break;
17193: case 0x12: msdos_call_xms_12h(); break;
1.1.1.29 root 17194: #if defined(HAS_I386)
17195: case 0x88: msdos_call_xms_88h(); break;
17196: case 0x89: msdos_call_xms_89h(); break;
17197: case 0x8e: msdos_call_xms_8eh(); break;
17198: case 0x8f: msdos_call_xms_8fh(); break;
17199: #endif
1.1.1.28 root 17200: default:
17201: 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));
17202: REG16(AX) = 0x0000;
17203: REG8(BL) = 0x80; // function not implemented
17204: break;
17205: }
17206: } catch(...) {
1.1.1.19 root 17207: REG16(AX) = 0x0000;
1.1.1.28 root 17208: REG8(BL) = 0x8f; // unrecoverable driver error
1.1.1.19 root 17209: }
17210: break;
17211: #endif
17212: case 0x6a:
1.1.1.24 root 17213: // irq12 (mouse)
17214: mouse_push_ax = REG16(AX);
17215: mouse_push_bx = REG16(BX);
17216: mouse_push_cx = REG16(CX);
17217: mouse_push_dx = REG16(DX);
17218: mouse_push_si = REG16(SI);
17219: mouse_push_di = REG16(DI);
17220:
1.1.1.43 root 17221: if(mouse.status_irq && mouse.call_addr.dw) {
1.1.1.24 root 17222: REG16(AX) = mouse.status_irq;
17223: REG16(BX) = mouse.get_buttons();
1.1.1.34 root 17224: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.position.x));
17225: REG16(DX) = max(mouse.min_position.y & ~7, min(mouse.max_position.y & ~7, mouse.position.y));
1.1.1.24 root 17226: REG16(SI) = REG16(CX) * mouse.mickey.x / 8;
17227: REG16(DI) = REG16(DX) * mouse.mickey.y / 8;
17228:
1.1.1.49 root 17229: mem[DUMMY_TOP + 0x02] = 0x9a; // call far
17230: mem[DUMMY_TOP + 0x03] = mouse.call_addr.w.l & 0xff;
17231: mem[DUMMY_TOP + 0x04] = mouse.call_addr.w.l >> 8;
17232: mem[DUMMY_TOP + 0x05] = mouse.call_addr.w.h & 0xff;
17233: mem[DUMMY_TOP + 0x06] = mouse.call_addr.w.h >> 8;
1.1.1.43 root 17234: break;
1.1.1.24 root 17235: }
1.1.1.43 root 17236: for(int i = 0; i < 8; i++) {
17237: if((mouse.status_irq_alt & (1 << i)) && mouse.call_addr_alt[i].dw) {
17238: REG16(AX) = mouse.status_irq_alt;
17239: REG16(BX) = mouse.get_buttons();
17240: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.position.x));
17241: REG16(DX) = max(mouse.min_position.y & ~7, min(mouse.max_position.y & ~7, mouse.position.y));
17242: REG16(SI) = REG16(CX) * mouse.mickey.x / 8;
17243: REG16(DI) = REG16(DX) * mouse.mickey.y / 8;
17244:
1.1.1.49 root 17245: mem[DUMMY_TOP + 0x02] = 0x9a; // call far
17246: mem[DUMMY_TOP + 0x03] = mouse.call_addr_alt[i].w.l & 0xff;
17247: mem[DUMMY_TOP + 0x04] = mouse.call_addr_alt[i].w.l >> 8;
17248: mem[DUMMY_TOP + 0x05] = mouse.call_addr_alt[i].w.h & 0xff;
17249: mem[DUMMY_TOP + 0x06] = mouse.call_addr_alt[i].w.h >> 8;
1.1.1.43 root 17250: break;
17251: }
17252: }
1.1.1.54! root 17253: if(mouse.status_irq_ps2 && mouse.call_addr_ps2.dw) {
! 17254: UINT16 data_1st, data_2nd, data_3rd;
! 17255: pcbios_read_from_ps2_mouse(&data_1st, &data_2nd, &data_3rd);
! 17256: i386_push16(data_1st);
! 17257: i386_push16(data_2nd);
! 17258: i386_push16(data_3rd);
! 17259: i386_push16(0x0000);
! 17260:
! 17261: mem[DUMMY_TOP + 0x02] = 0x9a; // call far
! 17262: mem[DUMMY_TOP + 0x03] = mouse.call_addr_ps2.w.l & 0xff;
! 17263: mem[DUMMY_TOP + 0x04] = mouse.call_addr_ps2.w.l >> 8;
! 17264: mem[DUMMY_TOP + 0x05] = mouse.call_addr_ps2.w.h & 0xff;
! 17265: mem[DUMMY_TOP + 0x06] = mouse.call_addr_ps2.w.h >> 8;
! 17266: break;
! 17267: }
1.1.1.43 root 17268: // invalid call addr :-(
1.1.1.49 root 17269: mem[DUMMY_TOP + 0x02] = 0x90; // nop
17270: mem[DUMMY_TOP + 0x03] = 0x90; // nop
17271: mem[DUMMY_TOP + 0x04] = 0x90; // nop
17272: mem[DUMMY_TOP + 0x05] = 0x90; // nop
17273: mem[DUMMY_TOP + 0x06] = 0x90; // nop
1.1.1.24 root 17274: break;
17275: case 0x6b:
17276: // end of irq12 (mouse)
17277: REG16(AX) = mouse_push_ax;
17278: REG16(BX) = mouse_push_bx;
17279: REG16(CX) = mouse_push_cx;
17280: REG16(DX) = mouse_push_dx;
17281: REG16(SI) = mouse_push_si;
17282: REG16(DI) = mouse_push_di;
17283:
17284: // EOI
17285: if((pic[1].isr &= ~(1 << 4)) == 0) {
17286: pic[0].isr &= ~(1 << 2); // master
17287: }
17288: pic_update();
17289: break;
17290: case 0x6c:
1.1.1.19 root 17291: // dummy interrupt for case map routine pointed in the country info
17292: if(REG8(AL) >= 0x80) {
17293: char tmp[2] = {0};
17294: tmp[0] = REG8(AL);
17295: my_strupr(tmp);
17296: REG8(AL) = tmp[0];
17297: }
17298: break;
1.1.1.27 root 17299: case 0x6d:
17300: // dummy interrupt for font read routine pointed by int 15h, ax=5000h
17301: REG8(AL) = 0x86; // not supported
17302: m_CF = 1;
17303: break;
1.1.1.32 root 17304: case 0x6e:
17305: // dummy interrupt for parameter error message read routine pointed by int 2fh, ax=122eh, dl=08h
17306: {
17307: UINT16 code = REG16(AX);
17308: if(code & 0xf0) {
17309: code = (code & 7) | ((code & 0x10) >> 1);
17310: }
17311: for(int i = 0; i < array_length(param_error_table); i++) {
17312: if(param_error_table[i].code == code || param_error_table[i].code == (UINT16)-1) {
17313: const char *message = NULL;
17314: if(active_code_page == 932) {
17315: message = param_error_table[i].message_japanese;
17316: }
17317: if(message == NULL) {
17318: message = param_error_table[i].message_english;
17319: }
17320: *(UINT8 *)(mem + WORK_TOP) = strlen(message);
17321: strcpy((char *)(mem + WORK_TOP + 1), message);
17322:
17323: SREG(ES) = WORK_TOP >> 4;
17324: i386_load_segment_descriptor(ES);
17325: REG16(DI) = 0x0000;
17326: break;
17327: }
17328: }
17329: }
17330: break;
1.1.1.49 root 17331: case 0x6f:
17332: // dummy interrupt for end of alter page map and call
17333: {
17334: UINT16 handles[4], pages[4];
17335:
17336: // pop old mapping data in new mapping
17337: for(int i = 0; i < 4; i++) {
17338: pages [3 - i] = i386_pop16();
17339: handles[3 - i] = i386_pop16();
17340: }
17341:
17342: // restore old mapping
17343: for(int i = 0; i < 4; i++) {
17344: UINT16 handle = handles[i];
17345: UINT16 page = pages [i];
17346:
17347: if(handle >= 1 && handle <= MAX_EMS_HANDLES && ems_handles[handle].allocated && page < ems_handles[handle].pages) {
17348: ems_map_page(i, handle, page);
17349: } else {
17350: ems_unmap_page(i);
17351: }
17352: }
17353: // do ret_far (pop cs/ip) in old mapping
17354: }
17355: break;
1.1.1.8 root 17356: case 0x70:
17357: case 0x71:
17358: case 0x72:
17359: case 0x73:
17360: case 0x74:
17361: case 0x75:
17362: case 0x76:
17363: case 0x77:
17364: // EOI
17365: if((pic[1].isr &= ~(1 << (num - 0x70))) == 0) {
17366: pic[0].isr &= ~(1 << 2); // master
17367: }
17368: pic_update();
17369: break;
1.1 root 17370: default:
1.1.1.22 root 17371: // 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 17372: break;
17373: }
17374:
17375: // update cursor position
17376: if(cursor_moved) {
1.1.1.36 root 17377: pcbios_update_cursor_position();
1.1 root 17378: cursor_moved = false;
17379: }
17380: }
17381:
17382: // init
17383:
17384: int msdos_init(int argc, char *argv[], char *envp[], int standard_env)
17385: {
17386: // init file handler
17387: memset(file_handler, 0, sizeof(file_handler));
17388: msdos_file_handler_open(0, "STDIN", _isatty(0), 0, 0x80d3, 0);
17389: msdos_file_handler_open(1, "STDOUT", _isatty(1), 1, 0x80d3, 0);
17390: msdos_file_handler_open(2, "STDERR", _isatty(2), 1, 0x80d3, 0);
1.1.1.21 root 17391: #ifdef MAP_AUX_DEVICE_TO_FILE
1.1 root 17392: if(_open("stdaux.txt", _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE) == 3) {
1.1.1.21 root 17393: #else
17394: if(_open("NUL", _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE) == 3) {
17395: #endif
17396: msdos_file_handler_open(3, "STDAUX", 0, 2, 0x80c0, 0);
1.1 root 17397: }
1.1.1.21 root 17398: if(_open("NUL", _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE) == 4) {
1.1.1.45 root 17399: // msdos_file_handler_open(4, "STDPRN", 0, 1, 0xa8c0, 0, 0, 1); // LPT1
17400: msdos_file_handler_open(4, "STDPRN", 0, 1, 0x80a0, 0, 0, 1); // LPT1
1.1.1.21 root 17401: }
1.1 root 17402: _dup2(0, DUP_STDIN);
17403: _dup2(1, DUP_STDOUT);
17404: _dup2(2, DUP_STDERR);
1.1.1.21 root 17405: _dup2(3, DUP_STDAUX);
17406: _dup2(4, DUP_STDPRN);
1.1 root 17407:
1.1.1.24 root 17408: // init mouse
17409: memset(&mouse, 0, sizeof(mouse));
1.1.1.34 root 17410: mouse.enabled = true; // from DOSBox
17411: mouse.hidden = 1; // hidden in default ???
17412: mouse.old_hidden = 1; // from DOSBox
17413: mouse.max_position.x = 8 * (scr_width - 1);
17414: mouse.max_position.y = 8 * (scr_height - 1);
1.1.1.24 root 17415: mouse.mickey.x = 8;
17416: mouse.mickey.y = 16;
17417:
1.1.1.26 root 17418: #ifdef SUPPORT_XMS
17419: // init xms
17420: msdos_xms_init();
17421: #endif
17422:
1.1 root 17423: // init process
17424: memset(process, 0, sizeof(process));
17425:
1.1.1.13 root 17426: // init dtainfo
17427: msdos_dta_info_init();
17428:
1.1 root 17429: // init memory
17430: memset(mem, 0, sizeof(mem));
17431:
17432: // bios data area
1.1.1.23 root 17433: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 17434: CONSOLE_SCREEN_BUFFER_INFO csbi;
17435: GetConsoleScreenBufferInfo(hStdout, &csbi);
1.1.1.14 root 17436: CONSOLE_FONT_INFO cfi;
17437: GetCurrentConsoleFont(hStdout, FALSE, &cfi);
17438:
17439: int regen = min(scr_width * scr_height * 2, 0x8000);
17440: text_vram_top_address = TEXT_VRAM_TOP;
17441: text_vram_end_address = text_vram_top_address + regen;
17442: shadow_buffer_top_address = SHADOW_BUF_TOP;
17443: shadow_buffer_end_address = shadow_buffer_top_address + regen;
1.1.1.51 root 17444: cursor_position_address = 0x450 + mem[0x462] * 2;
1.1.1.14 root 17445:
17446: if(regen > 0x4000) {
17447: regen = 0x8000;
17448: vram_pages = 1;
17449: } else if(regen > 0x2000) {
17450: regen = 0x4000;
17451: vram_pages = 2;
17452: } else if(regen > 0x1000) {
17453: regen = 0x2000;
17454: vram_pages = 4;
17455: } else {
17456: regen = 0x1000;
17457: vram_pages = 8;
17458: }
1.1 root 17459:
1.1.1.25 root 17460: *(UINT16 *)(mem + 0x400) = 0x3f8; // com1 port address
17461: *(UINT16 *)(mem + 0x402) = 0x2f8; // com2 port address
1.1.1.29 root 17462: *(UINT16 *)(mem + 0x404) = 0x3e8; // com3 port address
17463: *(UINT16 *)(mem + 0x406) = 0x2e8; // com4 port address
1.1.1.25 root 17464: *(UINT16 *)(mem + 0x408) = 0x378; // lpt1 port address
1.1.1.37 root 17465: *(UINT16 *)(mem + 0x40a) = 0x278; // lpt2 port address
17466: *(UINT16 *)(mem + 0x40c) = 0x3bc; // lpt3 port address
1.1.1.32 root 17467: #ifdef EXT_BIOS_TOP
1.1.1.25 root 17468: *(UINT16 *)(mem + 0x40e) = EXT_BIOS_TOP >> 4;
1.1.1.32 root 17469: #endif
1.1.1.26 root 17470: *(UINT16 *)(mem + 0x410) = msdos_get_equipment();
1.1.1.33 root 17471: *(UINT16 *)(mem + 0x413) = MEMORY_END >> 10;
1.1.1.41 root 17472: *(UINT16 *)(mem + 0x41a) = 0x1e;
17473: *(UINT16 *)(mem + 0x41c) = 0x1e;
1.1 root 17474: *(UINT8 *)(mem + 0x449) = 0x03;//0x73;
1.1.1.14 root 17475: *(UINT16 *)(mem + 0x44a) = csbi.dwSize.X;
17476: *(UINT16 *)(mem + 0x44c) = regen;
1.1 root 17477: *(UINT16 *)(mem + 0x44e) = 0;
17478: *(UINT8 *)(mem + 0x450) = csbi.dwCursorPosition.X;
1.1.1.14 root 17479: *(UINT8 *)(mem + 0x451) = csbi.dwCursorPosition.Y - scr_top;
1.1 root 17480: *(UINT8 *)(mem + 0x460) = 7;
17481: *(UINT8 *)(mem + 0x461) = 7;
17482: *(UINT8 *)(mem + 0x462) = 0;
17483: *(UINT16 *)(mem + 0x463) = 0x3d4;
1.1.1.19 root 17484: *(UINT8 *)(mem + 0x465) = 0x09;
17485: *(UINT32 *)(mem + 0x46c) = get_ticks_since_midnight(timeGetTime());
1.1.1.40 root 17486: *(UINT16 *)(mem + 0x472) = 0x4321; // preserve memory in cpu reset
1.1.1.41 root 17487: *(UINT16 *)(mem + 0x480) = 0x1e;
17488: *(UINT16 *)(mem + 0x482) = 0x3e;
1.1.1.14 root 17489: *(UINT8 *)(mem + 0x484) = csbi.srWindow.Bottom - csbi.srWindow.Top;
17490: *(UINT8 *)(mem + 0x485) = cfi.dwFontSize.Y;
17491: *(UINT8 *)(mem + 0x487) = 0x60;
17492: *(UINT8 *)(mem + 0x496) = 0x10; // enhanced keyboard installed
1.1.1.32 root 17493: #ifdef EXT_BIOS_TOP
1.1.1.25 root 17494: *(UINT16 *)(mem + EXT_BIOS_TOP) = 1;
1.1.1.32 root 17495: #endif
1.1.1.14 root 17496:
17497: // initial screen
17498: SMALL_RECT rect;
17499: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
17500: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
17501: for(int y = 0, ofs1 = TEXT_VRAM_TOP, ofs2 = SHADOW_BUF_TOP; y < scr_height; y++) {
17502: for(int x = 0; x < scr_width; x++) {
17503: mem[ofs1++] = mem[ofs2++] = SCR_BUF(y,x).Char.AsciiChar;
17504: mem[ofs1++] = mem[ofs2++] = SCR_BUF(y,x).Attributes;
17505: }
17506: }
1.1 root 17507:
1.1.1.19 root 17508: // init mcb
1.1 root 17509: int seg = MEMORY_TOP >> 4;
1.1.1.19 root 17510:
17511: // iret table
17512: // note: int 2eh vector should address the routine in command.com,
17513: // and some softwares invite (int 2eh vector segment) - 1 must address the mcb of command.com.
17514: // so move iret table into allocated memory block
17515: // http://www5c.biglobe.ne.jp/~ecb/assembler2/2_6.html
1.1.1.33 root 17516: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, IRET_SIZE >> 4);
1.1.1.19 root 17517: IRET_TOP = seg << 4;
17518: seg += IRET_SIZE >> 4;
1.1.1.25 root 17519: memset(mem + IRET_TOP, 0xcf, IRET_SIZE); // iret
1.1.1.19 root 17520:
17521: // dummy xms/ems device
1.1.1.33 root 17522: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, XMS_SIZE >> 4);
1.1.1.19 root 17523: XMS_TOP = seg << 4;
17524: seg += XMS_SIZE >> 4;
17525:
17526: // environment
1.1.1.33 root 17527: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, ENV_SIZE >> 4);
1.1 root 17528: int env_seg = seg;
17529: int ofs = 0;
1.1.1.32 root 17530: char env_append[ENV_SIZE] = {0}, append_added = 0;
17531: char comspec_added = 0;
1.1.1.33 root 17532: char lastdrive_added = 0;
1.1.1.32 root 17533: char env_msdos_path[ENV_SIZE] = {0};
17534: char env_path[ENV_SIZE] = {0}, path_added = 0;
1.1.1.33 root 17535: char prompt_added = 0;
1.1.1.32 root 17536: char env_temp[ENV_SIZE] = {0}, temp_added = 0, tmp_added = 0;
1.1.1.33 root 17537: char tz_added = 0;
1.1.1.45 root 17538: const char *path, *short_path;
1.1.1.32 root 17539:
17540: if((path = getenv("MSDOS_APPEND")) != NULL) {
17541: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
17542: strcpy(env_append, short_path);
17543: }
17544: }
17545: if((path = getenv("APPEND")) != NULL) {
17546: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
17547: if(env_append[0] != '\0') {
17548: strcat(env_append, ";");
17549: }
17550: strcat(env_append, short_path);
17551: }
17552: }
17553:
17554: if((path = msdos_search_command_com(argv[0], env_path)) != NULL) {
17555: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
17556: strcpy(comspec_path, short_path);
17557: }
17558: }
17559: if((path = getenv("MSDOS_COMSPEC")) != NULL && _access(path, 0) == 0) {
17560: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
17561: strcpy(comspec_path, short_path);
17562: }
17563: }
1.1 root 17564:
1.1.1.28 root 17565: if((path = getenv("MSDOS_PATH")) != NULL) {
1.1.1.32 root 17566: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
17567: strcpy(env_msdos_path, short_path);
17568: strcpy(env_path, short_path);
1.1.1.14 root 17569: }
17570: }
1.1.1.28 root 17571: if((path = getenv("PATH")) != NULL) {
1.1.1.32 root 17572: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
17573: if(env_path[0] != '\0') {
17574: strcat(env_path, ";");
17575: }
17576: strcat(env_path, short_path);
1.1.1.9 root 17577: }
17578: }
1.1.1.32 root 17579:
17580: if(GetTempPath(ENV_SIZE, env_temp) != 0) {
17581: strcpy(env_temp, msdos_get_multiple_short_path(env_temp));
1.1.1.15 root 17582: }
1.1.1.32 root 17583: for(int i = 0; i < 4; i++) {
17584: static const char *name[4] = {"MSDOS_TEMP", "MSDOS_TMP", "TEMP", "TMP"};
17585: if((path = getenv(name[i])) != NULL && _access(path, 0) == 0) {
17586: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
17587: strcpy(env_temp, short_path);
17588: break;
17589: }
17590: }
1.1.1.24 root 17591: }
1.1.1.32 root 17592:
1.1.1.9 root 17593: for(char **p = envp; p != NULL && *p != NULL; p++) {
1.1 root 17594: // lower to upper
1.1.1.28 root 17595: char tmp[ENV_SIZE], name[ENV_SIZE];
1.1 root 17596: strcpy(tmp, *p);
17597: for(int i = 0;; i++) {
17598: if(tmp[i] == '=') {
17599: tmp[i] = '\0';
17600: sprintf(name, ";%s;", tmp);
1.1.1.25 root 17601: my_strupr(name);
1.1 root 17602: tmp[i] = '=';
17603: break;
17604: } else if(tmp[i] >= 'a' && tmp[i] <= 'z') {
1.1.1.28 root 17605: tmp[i] = (tmp[i] - 'a') + 'A';
1.1 root 17606: }
17607: }
1.1.1.33 root 17608: if(strstr(";MSDOS_APPEND;MSDOS_COMSPEC;MSDOS_LASTDRIVE;MSDOS_TEMP;MSDOS_TMP;MSDOS_TZ;", name) != NULL) {
17609: // ignore MSDOS_(APPEND/COMSPEC/LASTDRIVE/TEMP/TMP/TZ)
17610: } else if(standard_env && strstr(";APPEND;COMSPEC;LASTDRIVE;MSDOS_PATH;PATH;PROMPT;TEMP;TMP;TZ;", name) == NULL) {
1.1.1.18 root 17611: // ignore non standard environments
17612: } else {
1.1.1.33 root 17613: if(strncmp(tmp, "APPEND=", 7) == 0) {
1.1.1.32 root 17614: if(env_append[0] != '\0') {
17615: sprintf(tmp, "APPEND=%s", env_append);
17616: } else {
17617: sprintf(tmp, "APPEND=%s", msdos_get_multiple_short_path(tmp + 7));
17618: }
17619: append_added = 1;
17620: } else if(strncmp(tmp, "COMSPEC=", 8) == 0) {
1.1.1.14 root 17621: strcpy(tmp, "COMSPEC=C:\\COMMAND.COM");
1.1.1.32 root 17622: comspec_added = 1;
1.1.1.33 root 17623: } else if(strncmp(tmp, "LASTDRIVE=", 10) == 0) {
17624: char *env = getenv("MSDOS_LASTDRIVE");
17625: if(env != NULL) {
17626: sprintf(tmp, "LASTDRIVE=%s", env);
17627: }
17628: lastdrive_added = 1;
17629: } else if(strncmp(tmp, "MSDOS_PATH=", 11) == 0) {
1.1.1.28 root 17630: if(env_msdos_path[0] != '\0') {
17631: sprintf(tmp, "MSDOS_PATH=%s", env_msdos_path);
17632: } else {
17633: sprintf(tmp, "MSDOS_PATH=%s", msdos_get_multiple_short_path(tmp + 11));
17634: }
1.1.1.33 root 17635: } else if(strncmp(tmp, "PATH=", 5) == 0) {
1.1.1.28 root 17636: if(env_path[0] != '\0') {
17637: sprintf(tmp, "PATH=%s", env_path);
17638: } else {
17639: sprintf(tmp, "PATH=%s", msdos_get_multiple_short_path(tmp + 5));
17640: }
1.1.1.32 root 17641: path_added = 1;
1.1.1.33 root 17642: } else if(strncmp(tmp, "PROMPT=", 7) == 0) {
17643: prompt_added = 1;
1.1.1.28 root 17644: } else if(strncmp(tmp, "TEMP=", 5) == 0) {
17645: if(env_temp[0] != '\0') {
17646: sprintf(tmp, "TEMP=%s", env_temp);
17647: } else {
17648: sprintf(tmp, "TEMP=%s", msdos_get_multiple_short_path(tmp + 5));
17649: }
1.1.1.32 root 17650: temp_added = 1;
1.1.1.33 root 17651: } else if(strncmp(tmp, "TMP=", 4) == 0) {
1.1.1.28 root 17652: if(env_temp[0] != '\0') {
17653: sprintf(tmp, "TMP=%s", env_temp);
17654: } else {
17655: sprintf(tmp, "TMP=%s", msdos_get_multiple_short_path(tmp + 4));
1.1 root 17656: }
1.1.1.32 root 17657: tmp_added = 1;
1.1.1.33 root 17658: } else if(strncmp(tmp, "TZ=", 3) == 0) {
17659: char *env = getenv("MSDOS_TZ");
17660: if(env != NULL) {
17661: sprintf(tmp, "TZ=%s", env);
17662: }
17663: tz_added = 1;
1.1 root 17664: }
17665: int len = strlen(tmp);
1.1.1.14 root 17666: if(ofs + len + 1 + (2 + (8 + 1 + 3)) + 2 > ENV_SIZE) {
1.1 root 17667: fatalerror("too many environments\n");
17668: }
17669: memcpy(mem + (seg << 4) + ofs, tmp, len);
17670: ofs += len + 1;
17671: }
17672: }
1.1.1.32 root 17673: if(!append_added && env_append[0] != '\0') {
17674: #define SET_ENV(name, value) { \
17675: char tmp[ENV_SIZE]; \
17676: sprintf(tmp, "%s=%s", name, value); \
17677: int len = strlen(tmp); \
17678: if(ofs + len + 1 + (2 + (8 + 1 + 3)) + 2 > ENV_SIZE) { \
17679: fatalerror("too many environments\n"); \
17680: } \
17681: memcpy(mem + (seg << 4) + ofs, tmp, len); \
17682: ofs += len + 1; \
17683: }
17684: SET_ENV("APPEND", env_append);
17685: }
17686: if(!comspec_added) {
17687: SET_ENV("COMSPEC", "C:\\COMMAND.COM");
17688: }
1.1.1.33 root 17689: if(!lastdrive_added) {
17690: SET_ENV("LASTDRIVE", "Z");
17691: }
1.1.1.32 root 17692: if(!path_added) {
17693: SET_ENV("PATH", env_path);
17694: }
1.1.1.33 root 17695: if(!prompt_added) {
17696: SET_ENV("PROMPT", "$P$G");
17697: }
1.1.1.32 root 17698: if(!temp_added) {
17699: SET_ENV("TEMP", env_temp);
17700: }
17701: if(!tmp_added) {
17702: SET_ENV("TMP", env_temp);
17703: }
1.1.1.33 root 17704: if(!tz_added) {
17705: TIME_ZONE_INFORMATION tzi;
17706: HKEY hKey, hSubKey;
17707: char tzi_std_name[64];
17708: char tz_std[8] = "GMT";
17709: char tz_dlt[8] = "GST";
17710: char tz_value[32];
17711:
17712: // timezone name from GetTimeZoneInformation may not be english
17713: bool daylight = (GetTimeZoneInformation(&tzi) != TIME_ZONE_ID_UNKNOWN);
17714: setlocale(LC_CTYPE, "");
17715: wcstombs(tzi_std_name, tzi.StandardName, sizeof(tzi_std_name));
17716:
17717: // get english timezone name from registry
17718: if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Time Zones", 0, KEY_READ, &hKey) == ERROR_SUCCESS) {
17719: for(DWORD i = 0; !tz_added; i++) {
17720: char reg_name[256], sub_key[1024], std_name[256];
17721: DWORD size;
17722: FILETIME ftTime;
17723: LONG result = RegEnumKeyEx(hKey, i, reg_name, &(size = array_length(reg_name)), NULL, NULL, NULL, &ftTime);
17724:
17725: if(result == ERROR_SUCCESS) {
17726: sprintf(sub_key, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Time Zones\\%s", reg_name);
17727: if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, sub_key, 0, KEY_QUERY_VALUE, &hSubKey) == ERROR_SUCCESS) {
17728: if(RegQueryValueEx(hSubKey, "Std", NULL, NULL, (LPBYTE)std_name, &(size = array_length(std_name))) == ERROR_SUCCESS) {
17729: // search english timezone name from table
1.1.1.37 root 17730: if(strcmp(std_name, tzi_std_name) == 0) {
1.1.1.33 root 17731: for(int j = 0; j < array_length(tz_table); j++) {
17732: if(strcmp(reg_name, tz_table[j].name) == 0 && (tz_table[j].lcid == 0 || tz_table[j].lcid == GetUserDefaultLCID())) {
17733: if(tz_table[j].std != NULL) {
17734: strcpy(tz_std, tz_table[j].std);
17735: }
17736: if(tz_table[j].dlt != NULL) {
17737: strcpy(tz_dlt, tz_table[j].dlt);
17738: }
17739: tz_added = 1;
17740: break;
17741: }
17742: }
17743: }
17744: }
17745: RegCloseKey(hSubKey);
17746: }
17747: } else if(result == ERROR_NO_MORE_ITEMS) {
17748: break;
17749: }
17750: }
17751: RegCloseKey(hKey);
17752: }
17753: if((tzi.Bias % 60) != 0) {
17754: sprintf(tz_value, "%s%d:%2d", tz_std, tzi.Bias / 60, abs(tzi.Bias % 60));
17755: } else {
17756: sprintf(tz_value, "%s%d", tz_std, tzi.Bias / 60);
17757: }
17758: if(daylight) {
17759: strcat(tz_value, tz_dlt);
17760: }
17761: SET_ENV("TZ", tz_value);
17762: }
1.1 root 17763: seg += (ENV_SIZE >> 4);
17764:
17765: // psp
1.1.1.33 root 17766: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, PSP_SIZE >> 4);
1.1 root 17767: current_psp = seg;
1.1.1.35 root 17768: psp_t *psp = msdos_psp_create(seg, seg + (PSP_SIZE >> 4), -1, env_seg);
17769: psp->parent_psp = current_psp;
1.1 root 17770: seg += (PSP_SIZE >> 4);
17771:
1.1.1.19 root 17772: // first free mcb in conventional memory
1.1.1.33 root 17773: msdos_mcb_create(seg, 'M', 0, (MEMORY_END >> 4) - seg - 2);
1.1.1.8 root 17774: first_mcb = seg;
17775:
1.1.1.19 root 17776: // dummy mcb to link to umb
1.1.1.33 root 17777: #if 0
1.1.1.39 root 17778: msdos_mcb_create((MEMORY_END >> 4) - 1, 'M', PSP_SYSTEM, (UMB_TOP >> 4) - (MEMORY_END >> 4), "SC"); // link umb
1.1.1.33 root 17779: #else
1.1.1.39 root 17780: msdos_mcb_create((MEMORY_END >> 4) - 1, 'Z', PSP_SYSTEM, 0, "SC"); // unlink umb
1.1.1.33 root 17781: #endif
1.1.1.19 root 17782:
17783: // first free mcb in upper memory block
1.1.1.8 root 17784: msdos_mcb_create(UMB_TOP >> 4, 'Z', 0, (UMB_END >> 4) - (UMB_TOP >> 4) - 1);
1.1 root 17785:
1.1.1.29 root 17786: #ifdef SUPPORT_HMA
17787: // first free mcb in high memory area
17788: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
17789: #endif
17790:
1.1.1.26 root 17791: // interrupt vector
17792: for(int i = 0; i < 0x80; i++) {
17793: *(UINT16 *)(mem + 4 * i + 0) = i;
17794: *(UINT16 *)(mem + 4 * i + 2) = (IRET_TOP >> 4);
17795: }
1.1.1.49 root 17796: *(UINT16 *)(mem + 4 * 0x08 + 0) = 0x0018; // fffc:0018 irq0 (system timer)
17797: *(UINT16 *)(mem + 4 * 0x08 + 2) = DUMMY_TOP >> 4;
1.1.1.26 root 17798: *(UINT16 *)(mem + 4 * 0x22 + 0) = 0x0000; // ffff:0000 boot
17799: *(UINT16 *)(mem + 4 * 0x22 + 2) = 0xffff;
17800: *(UINT16 *)(mem + 4 * 0x67 + 0) = 0x0012; // xxxx:0012 ems
17801: *(UINT16 *)(mem + 4 * 0x67 + 2) = XMS_TOP >> 4;
1.1.1.49 root 17802: *(UINT16 *)(mem + 4 * 0x74 + 0) = 0x0000; // fffc:0000 irq12 (mouse)
17803: *(UINT16 *)(mem + 4 * 0x74 + 2) = DUMMY_TOP >> 4;
1.1.1.26 root 17804:
1.1.1.29 root 17805: // dummy devices (NUL -> CON -> ... -> CONFIG$ -> EMMXXXX0)
1.1.1.26 root 17806: static const struct {
17807: UINT16 attributes;
17808: char *dev_name;
17809: } dummy_devices[] = {
17810: {0x8013, "CON "},
17811: {0x8000, "AUX "},
17812: {0xa0c0, "PRN "},
17813: {0x8008, "CLOCK$ "},
17814: {0x8000, "COM1 "},
17815: {0xa0c0, "LPT1 "},
17816: {0xa0c0, "LPT2 "},
17817: {0xa0c0, "LPT3 "},
17818: {0x8000, "COM2 "},
17819: {0x8000, "COM3 "},
17820: {0x8000, "COM4 "},
1.1.1.30 root 17821: // {0xc000, "CONFIG$ "},
17822: {0xc000, "$IBMADSP"}, // for windows3.1 setup.exe
1.1.1.26 root 17823: };
17824: static const UINT8 dummy_device_routine[] = {
17825: // from NUL device of Windows 98 SE
17826: // or word ptr ES:[BX+03],0100
17827: 0x26, 0x81, 0x4f, 0x03, 0x00, 0x01,
17828: // retf
17829: 0xcb,
17830: };
1.1.1.29 root 17831: device_t *last = NULL;
1.1.1.32 root 17832: for(int i = 0; i < array_length(dummy_devices); i++) {
1.1.1.26 root 17833: device_t *device = (device_t *)(mem + DEVICE_TOP + 22 + 18 * i);
1.1.1.29 root 17834: device->next_driver.w.l = 22 + 18 * (i + 1);
17835: device->next_driver.w.h = DEVICE_TOP >> 4;
1.1.1.26 root 17836: device->attributes = dummy_devices[i].attributes;
1.1.1.29 root 17837: device->strategy = DEVICE_SIZE - sizeof(dummy_device_routine);
17838: device->interrupt = DEVICE_SIZE - sizeof(dummy_device_routine) + 6;
1.1.1.26 root 17839: memcpy(device->dev_name, dummy_devices[i].dev_name, 8);
1.1.1.29 root 17840: last = device;
17841: }
17842: if(last != NULL) {
17843: last->next_driver.w.l = 0;
17844: last->next_driver.w.h = XMS_TOP >> 4;
1.1.1.26 root 17845: }
1.1.1.29 root 17846: memcpy(mem + DEVICE_TOP + DEVICE_SIZE - sizeof(dummy_device_routine), dummy_device_routine, sizeof(dummy_device_routine));
1.1.1.26 root 17847:
1.1.1.25 root 17848: // dos info
17849: dos_info_t *dos_info = (dos_info_t *)(mem + DOS_INFO_TOP);
17850: dos_info->magic_word = 1;
17851: dos_info->first_mcb = MEMORY_TOP >> 4;
17852: dos_info->first_dpb.w.l = 0;
17853: dos_info->first_dpb.w.h = DPB_TOP >> 4;
17854: dos_info->first_sft.w.l = 0;
17855: dos_info->first_sft.w.h = SFT_TOP >> 4;
1.1.1.41 root 17856: dos_info->clock_device.w.l = 22 + 18 * 3; // CLOCK$ is the 4th device in IO.SYS
1.1.1.25 root 17857: dos_info->clock_device.w.h = DEVICE_TOP >> 4;
1.1.1.26 root 17858: dos_info->con_device.w.l = 22 + 18 * 0; // CON is the 1st device in IO.SYS
1.1.1.25 root 17859: dos_info->con_device.w.h = DEVICE_TOP >> 4;
17860: dos_info->max_sector_len = 512;
17861: dos_info->disk_buf_info.w.l = offsetof(dos_info_t, disk_buf_heads);
17862: dos_info->disk_buf_info.w.h = DOS_INFO_TOP >> 4;
17863: dos_info->cds.w.l = 0;
17864: dos_info->cds.w.h = CDS_TOP >> 4;
17865: dos_info->fcb_table.w.l = 0;
17866: dos_info->fcb_table.w.h = FCB_TABLE_TOP >> 4;
17867: dos_info->last_drive = 'Z' - 'A' + 1;
17868: dos_info->buffers_x = 20;
17869: dos_info->buffers_y = 0;
17870: dos_info->boot_drive = 'C' - 'A' + 1;
1.1.1.29 root 17871: dos_info->nul_device.next_driver.w.l = 22;
17872: dos_info->nul_device.next_driver.w.h = DEVICE_TOP >> 4;
1.1.1.25 root 17873: dos_info->nul_device.attributes = 0x8004;
1.1.1.29 root 17874: dos_info->nul_device.strategy = DOS_INFO_SIZE - sizeof(dummy_device_routine);
17875: dos_info->nul_device.interrupt = DOS_INFO_SIZE - sizeof(dummy_device_routine) + 6;
1.1.1.25 root 17876: memcpy(dos_info->nul_device.dev_name, "NUL ", 8);
17877: dos_info->disk_buf_heads.w.l = 0;
17878: dos_info->disk_buf_heads.w.h = DISK_BUF_TOP >> 4;
1.1.1.39 root 17879: dos_info->umb_linked = (((mcb_t *)(mem + MEMORY_END - 16))->mz == 'M' ? 0x01 : 0x00);
1.1.1.25 root 17880: dos_info->first_umb_fcb = UMB_TOP >> 4;
17881: dos_info->first_mcb_2 = MEMORY_TOP >> 4;
1.1.1.29 root 17882: memcpy(mem + DOS_INFO_TOP + DOS_INFO_SIZE - sizeof(dummy_device_routine), dummy_device_routine, sizeof(dummy_device_routine));
1.1.1.25 root 17883:
17884: char *env;
17885: if((env = getenv("LASTDRIVE")) != NULL) {
17886: if(env[0] >= 'A' && env[0] <= 'Z') {
17887: dos_info->last_drive = env[0] - 'A' + 1;
17888: } else if(env[0] >= 'a' && env[0] <= 'z') {
17889: dos_info->last_drive = env[0] - 'a' + 1;
17890: }
17891: }
17892: if((env = getenv("windir")) != NULL) {
17893: if(env[0] >= 'A' && env[0] <= 'Z') {
17894: dos_info->boot_drive = env[0] - 'A' + 1;
17895: } else if(env[0] >= 'a' && env[0] <= 'z') {
17896: dos_info->boot_drive = env[0] - 'a' + 1;
17897: }
17898: }
17899: #if defined(HAS_I386)
17900: dos_info->i386_or_later = 1;
17901: #else
17902: dos_info->i386_or_later = 0;
17903: #endif
17904: dos_info->ext_mem_size = (min(MAX_MEM, 0x4000000) - 0x100000) >> 10;
17905:
1.1.1.27 root 17906: // ems (int 67h) and xms
1.1.1.25 root 17907: device_t *xms_device = (device_t *)(mem + XMS_TOP);
17908: xms_device->next_driver.w.l = 0xffff;
17909: xms_device->next_driver.w.h = 0xffff;
17910: xms_device->attributes = 0xc000;
1.1.1.29 root 17911: xms_device->strategy = XMS_SIZE - sizeof(dummy_device_routine);
17912: xms_device->interrupt = XMS_SIZE - sizeof(dummy_device_routine) + 6;
1.1.1.25 root 17913: memcpy(xms_device->dev_name, "EMMXXXX0", 8);
17914:
1.1.1.26 root 17915: mem[XMS_TOP + 0x12] = 0xcd; // int 68h (dummy)
17916: mem[XMS_TOP + 0x13] = 0x68;
17917: mem[XMS_TOP + 0x14] = 0xcf; // iret
1.1.1.19 root 17918: #ifdef SUPPORT_XMS
17919: if(support_xms) {
1.1.1.26 root 17920: mem[XMS_TOP + 0x15] = 0xcd; // int 69h (dummy)
17921: mem[XMS_TOP + 0x16] = 0x69;
17922: mem[XMS_TOP + 0x17] = 0xcb; // retf
1.1.1.19 root 17923: } else
17924: #endif
1.1.1.26 root 17925: mem[XMS_TOP + 0x15] = 0xcb; // retf
1.1.1.29 root 17926: memcpy(mem + XMS_TOP + XMS_SIZE - sizeof(dummy_device_routine), dummy_device_routine, sizeof(dummy_device_routine));
1.1.1.19 root 17927:
1.1.1.26 root 17928: // irq12 routine (mouse)
1.1.1.49 root 17929: mem[DUMMY_TOP + 0x00] = 0xcd; // int 6ah (dummy)
17930: mem[DUMMY_TOP + 0x01] = 0x6a;
17931: mem[DUMMY_TOP + 0x02] = 0x9a; // call far mouse
17932: mem[DUMMY_TOP + 0x03] = 0xff;
17933: mem[DUMMY_TOP + 0x04] = 0xff;
17934: mem[DUMMY_TOP + 0x05] = 0xff;
17935: mem[DUMMY_TOP + 0x06] = 0xff;
17936: mem[DUMMY_TOP + 0x07] = 0xcd; // int 6bh (dummy)
17937: mem[DUMMY_TOP + 0x08] = 0x6b;
17938: mem[DUMMY_TOP + 0x09] = 0xcf; // iret
1.1.1.24 root 17939:
1.1.1.27 root 17940: // case map routine
1.1.1.49 root 17941: mem[DUMMY_TOP + 0x0a] = 0xcd; // int 6ch (dummy)
17942: mem[DUMMY_TOP + 0x0b] = 0x6c;
17943: mem[DUMMY_TOP + 0x0c] = 0xcb; // retf
1.1.1.27 root 17944:
17945: // font read routine
1.1.1.49 root 17946: mem[DUMMY_TOP + 0x0d] = 0xcd; // int 6dh (dummy)
17947: mem[DUMMY_TOP + 0x0e] = 0x6d;
17948: mem[DUMMY_TOP + 0x0f] = 0xcb; // retf
1.1.1.19 root 17949:
1.1.1.32 root 17950: // error message read routine
1.1.1.49 root 17951: mem[DUMMY_TOP + 0x10] = 0xcd; // int 6eh (dummy)
17952: mem[DUMMY_TOP + 0x11] = 0x6e;
17953: mem[DUMMY_TOP + 0x12] = 0xcb; // retf
1.1.1.32 root 17954:
1.1.1.35 root 17955: // dummy loop to wait BIOS/DOS service is done
1.1.1.49 root 17956: mem[DUMMY_TOP + 0x13] = 0xe6; // out f7h, al
17957: mem[DUMMY_TOP + 0x14] = 0xf7;
17958: mem[DUMMY_TOP + 0x15] = 0x78; // js/jns -4
17959: mem[DUMMY_TOP + 0x16] = 0xfc;
17960: mem[DUMMY_TOP + 0x17] = 0xcb; // retf
1.1.1.35 root 17961:
1.1.1.50 root 17962: // irq0 routine (system timer)
1.1.1.49 root 17963: mem[DUMMY_TOP + 0x18] = 0xcd; // int 1ch
17964: mem[DUMMY_TOP + 0x19] = 0x1c;
17965: mem[DUMMY_TOP + 0x1a] = 0xea; // jmp far (IRET_TOP >> 4):0008
17966: mem[DUMMY_TOP + 0x1b] = 0x08;
17967: mem[DUMMY_TOP + 0x1c] = 0x00;
17968: mem[DUMMY_TOP + 0x1d] = ((IRET_TOP >> 4) ) & 0xff;
17969: mem[DUMMY_TOP + 0x1e] = ((IRET_TOP >> 4) >> 8) & 0xff;
17970:
17971: // alter page map and call routine
17972: mem[DUMMY_TOP + 0x1f] = 0x9a; // call far
17973: mem[DUMMY_TOP + 0x20] = 0xff;
17974: mem[DUMMY_TOP + 0x21] = 0xff;
17975: mem[DUMMY_TOP + 0x22] = 0xff;
17976: mem[DUMMY_TOP + 0x23] = 0xff;
17977: mem[DUMMY_TOP + 0x24] = 0xcd; // int 6fh (dummy)
17978: mem[DUMMY_TOP + 0x25] = 0x6f;
17979: mem[DUMMY_TOP + 0x26] = 0xcb; // retf
1.1.1.14 root 17980:
1.1.1.50 root 17981: // call int 29h routine
17982: mem[DUMMY_TOP + 0x27] = 0xcd; // int 29h
17983: mem[DUMMY_TOP + 0x28] = 0x29;
17984: mem[DUMMY_TOP + 0x29] = 0xcb; // retf
17985:
1.1.1.26 root 17986: // boot routine
1.1.1.49 root 17987: mem[0xffff0 + 0x00] = 0xf4; // halt
17988: mem[0xffff0 + 0x05] = '0'; // rom date
17989: mem[0xffff0 + 0x06] = '2';
17990: mem[0xffff0 + 0x07] = '/';
17991: mem[0xffff0 + 0x08] = '2';
17992: mem[0xffff0 + 0x09] = '2';
17993: mem[0xffff0 + 0x0a] = '/';
17994: mem[0xffff0 + 0x0b] = '0';
17995: mem[0xffff0 + 0x0c] = '6';
17996: mem[0xffff0 + 0x0e] = 0xfc; // machine id
17997: mem[0xffff0 + 0x0f] = 0x00;
1.1.1.24 root 17998:
1.1 root 17999: // param block
18000: // + 0: param block (22bytes)
18001: // +24: fcb1/2 (20bytes)
18002: // +44: command tail (128bytes)
18003: param_block_t *param = (param_block_t *)(mem + WORK_TOP);
18004: param->env_seg = 0;
18005: param->cmd_line.w.l = 44;
18006: param->cmd_line.w.h = (WORK_TOP >> 4);
18007: param->fcb1.w.l = 24;
18008: param->fcb1.w.h = (WORK_TOP >> 4);
18009: param->fcb2.w.l = 24;
18010: param->fcb2.w.h = (WORK_TOP >> 4);
18011:
18012: memset(mem + WORK_TOP + 24, 0x20, 20);
18013:
18014: cmd_line_t *cmd_line = (cmd_line_t *)(mem + WORK_TOP + 44);
18015: if(argc > 1) {
18016: sprintf(cmd_line->cmd, " %s", argv[1]);
18017: for(int i = 2; i < argc; i++) {
18018: char tmp[128];
18019: sprintf(tmp, "%s %s", cmd_line->cmd, argv[i]);
18020: strcpy(cmd_line->cmd, tmp);
18021: }
18022: cmd_line->len = (UINT8)strlen(cmd_line->cmd);
18023: } else {
18024: cmd_line->len = 0;
18025: }
18026: cmd_line->cmd[cmd_line->len] = 0x0d;
18027:
18028: // system file table
1.1.1.21 root 18029: *(UINT32 *)(mem + SFT_TOP + 0) = 0xffffffff;
18030: *(UINT16 *)(mem + SFT_TOP + 4) = 20;
1.1 root 18031:
1.1.1.19 root 18032: // disk buffer header (from DOSBox)
18033: *(UINT16 *)(mem + DISK_BUF_TOP + 0) = 0xffff; // forward ptr
18034: *(UINT16 *)(mem + DISK_BUF_TOP + 2) = 0xffff; // backward ptr
18035: *(UINT8 *)(mem + DISK_BUF_TOP + 4) = 0xff; // not in use
18036: *(UINT8 *)(mem + DISK_BUF_TOP + 10) = 0x01; // number of FATs
18037: *(UINT32 *)(mem + DISK_BUF_TOP + 13) = 0xffffffff; // pointer to DPB
18038:
1.1 root 18039: // fcb table
18040: *(UINT32 *)(mem + FCB_TABLE_TOP + 0) = 0xffffffff;
1.1.1.14 root 18041: *(UINT16 *)(mem + FCB_TABLE_TOP + 4) = 0;
1.1 root 18042:
1.1.1.41 root 18043: // drive parameter block
1.1.1.42 root 18044: for(int i = 0; i < 2; i++) {
1.1.1.43 root 18045: // may be a floppy drive
1.1.1.44 root 18046: cds_t *cds = (cds_t *)(mem + CDS_TOP + 88 * i);
18047: sprintf(cds->path_name, "%c:\\", 'A' + i);
18048: cds->drive_attrib = 0x4000; // physical drive
18049: cds->dpb_ptr.w.l = sizeof(dpb_t) * i;
18050: cds->dpb_ptr.w.h = DPB_TOP >> 4;
18051: cds->word_1 = cds->word_2 = cds->word_3 = 0xffff;
18052: cds->bs_offset = 2;
18053:
1.1.1.41 root 18054: dpb_t *dpb = (dpb_t *)(mem + DPB_TOP + sizeof(dpb_t) * i);
18055: dpb->drive_num = i;
18056: dpb->unit_num = i;
1.1.1.43 root 18057: dpb->next_dpb_ofs = /*(i == 25) ? 0xffff : */sizeof(dpb_t) * (i + 1);
18058: dpb->next_dpb_seg = /*(i == 25) ? 0xffff : */DPB_TOP >> 4;
1.1.1.42 root 18059: }
18060: for(int i = 2; i < 26; i++) {
1.1.1.44 root 18061: msdos_cds_update(i);
1.1.1.42 root 18062: UINT16 seg, ofs;
18063: msdos_drive_param_block_update(i, &seg, &ofs, 1);
1.1.1.41 root 18064: }
18065:
1.1.1.17 root 18066: // nls stuff
18067: msdos_nls_tables_init();
1.1 root 18068:
18069: // execute command
1.1.1.28 root 18070: try {
1.1.1.52 root 18071: if(msdos_process_exec(argv[0], param, 0, true)) {
1.1.1.28 root 18072: fatalerror("'%s' not found\n", argv[0]);
18073: }
18074: } catch(...) {
18075: // we should not reach here :-(
18076: fatalerror("failed to start '%s' because of unexpected exeption\n", argv[0]);
1.1 root 18077: }
18078: retval = 0;
18079: return(0);
18080: }
18081:
18082: #define remove_std_file(path) { \
18083: int fd = _open(path, _O_RDONLY | _O_BINARY); \
18084: if(fd != -1) { \
18085: _lseek(fd, 0, SEEK_END); \
18086: int size = _tell(fd); \
18087: _close(fd); \
18088: if(size == 0) { \
18089: remove(path); \
18090: } \
18091: } \
18092: }
18093:
18094: void msdos_finish()
18095: {
18096: for(int i = 0; i < MAX_FILES; i++) {
18097: if(file_handler[i].valid) {
18098: _close(i);
18099: }
18100: }
1.1.1.21 root 18101: #ifdef MAP_AUX_DEVICE_TO_FILE
1.1 root 18102: remove_std_file("stdaux.txt");
1.1.1.21 root 18103: #endif
1.1.1.30 root 18104: #ifdef SUPPORT_XMS
18105: msdos_xms_finish();
18106: #endif
1.1 root 18107: msdos_dbcs_table_finish();
18108: }
18109:
18110: /* ----------------------------------------------------------------------------
18111: PC/AT hardware emulation
18112: ---------------------------------------------------------------------------- */
18113:
18114: void hardware_init()
18115: {
1.1.1.3 root 18116: CPU_INIT_CALL(CPU_MODEL);
1.1 root 18117: CPU_RESET_CALL(CPU_MODEL);
1.1.1.14 root 18118: m_IF = 1;
1.1.1.3 root 18119: #if defined(HAS_I386)
1.1 root 18120: cpu_type = (REG32(EDX) >> 8) & 0x0f;
18121: cpu_step = (REG32(EDX) >> 0) & 0x0f;
1.1.1.3 root 18122: #endif
18123: i386_set_a20_line(0);
1.1.1.14 root 18124:
1.1.1.19 root 18125: ems_init();
1.1.1.25 root 18126: dma_init();
1.1 root 18127: pic_init();
1.1.1.25 root 18128: pio_init();
1.1.1.8 root 18129: #ifdef PIT_ALWAYS_RUNNING
18130: pit_init();
18131: #else
1.1 root 18132: pit_active = 0;
18133: #endif
1.1.1.25 root 18134: sio_init();
1.1.1.8 root 18135: cmos_init();
18136: kbd_init();
1.1 root 18137: }
18138:
1.1.1.10 root 18139: void hardware_finish()
18140: {
18141: #if defined(HAS_I386)
18142: vtlb_free(m_vtlb);
18143: #endif
1.1.1.19 root 18144: ems_finish();
1.1.1.37 root 18145: pio_finish();
1.1.1.25 root 18146: sio_finish();
1.1.1.10 root 18147: }
18148:
1.1.1.28 root 18149: void hardware_release()
18150: {
18151: // release hardware resources when this program will be terminated abnormally
18152: #ifdef EXPORT_DEBUG_TO_FILE
1.1.1.33 root 18153: if(fp_debug_log != NULL) {
18154: fclose(fp_debug_log);
18155: fp_debug_log = NULL;
1.1.1.28 root 18156: }
18157: #endif
18158: #if defined(HAS_I386)
18159: vtlb_free(m_vtlb);
18160: #endif
18161: ems_release();
1.1.1.37 root 18162: pio_release();
1.1.1.28 root 18163: sio_release();
18164: }
18165:
1.1 root 18166: void hardware_run()
18167: {
1.1.1.22 root 18168: #ifdef EXPORT_DEBUG_TO_FILE
1.1.1.28 root 18169: // open debug log file after msdos_init() is done not to use the standard file handlers
1.1.1.33 root 18170: fp_debug_log = fopen("debug.log", "w");
1.1.1.22 root 18171: #endif
1.1.1.51 root 18172: #ifdef USE_DEBUGGER
18173: m_int_num = -1;
18174: #endif
1.1.1.54! root 18175: while(!m_exit) {
1.1.1.50 root 18176: hardware_run_cpu();
1.1 root 18177: }
1.1.1.22 root 18178: #ifdef EXPORT_DEBUG_TO_FILE
1.1.1.33 root 18179: if(fp_debug_log != NULL) {
18180: fclose(fp_debug_log);
18181: fp_debug_log = NULL;
1.1.1.28 root 18182: }
1.1.1.22 root 18183: #endif
1.1 root 18184: }
18185:
1.1.1.50 root 18186: inline void hardware_run_cpu()
18187: {
18188: #if defined(HAS_I386)
18189: CPU_EXECUTE_CALL(i386);
18190: if(m_eip != m_prev_eip) {
18191: idle_ops++;
18192: }
18193: #else
18194: CPU_EXECUTE_CALL(CPU_MODEL);
18195: if(m_pc != m_prevpc) {
18196: idle_ops++;
18197: }
18198: #endif
18199: #ifdef USE_DEBUGGER
18200: // Disallow reentering CPU_EXECUTE() in msdos_syscall()
18201: if(m_int_num >= 0) {
18202: unsigned num = (unsigned)m_int_num;
18203: m_int_num = -1;
18204: msdos_syscall(num);
18205: }
18206: #endif
18207: if(++update_ops == UPDATE_OPS) {
18208: update_ops = 0;
18209: hardware_update();
18210: }
18211: }
18212:
1.1 root 18213: void hardware_update()
18214: {
1.1.1.8 root 18215: static UINT32 prev_time = 0;
18216: UINT32 cur_time = timeGetTime();
18217:
18218: if(prev_time != cur_time) {
18219: // update pit and raise irq0
18220: #ifndef PIT_ALWAYS_RUNNING
18221: if(pit_active)
18222: #endif
18223: {
18224: if(pit_run(0, cur_time)) {
18225: pic_req(0, 0, 1);
18226: }
18227: pit_run(1, cur_time);
18228: pit_run(2, cur_time);
18229: }
1.1.1.24 root 18230:
1.1.1.25 root 18231: // update sio and raise irq4/3
1.1.1.29 root 18232: for(int c = 0; c < 4; c++) {
1.1.1.25 root 18233: sio_update(c);
18234: }
18235:
1.1.1.24 root 18236: // update keyboard and mouse
1.1.1.14 root 18237: static UINT32 prev_tick = 0;
18238: UINT32 cur_tick = cur_time / 32;
1.1.1.25 root 18239:
1.1.1.14 root 18240: if(prev_tick != cur_tick) {
18241: // update keyboard flags
18242: UINT8 state;
1.1.1.24 root 18243: state = (GetAsyncKeyState(VK_INSERT ) & 0x0001) ? 0x80 : 0;
18244: state |= (GetAsyncKeyState(VK_CAPITAL ) & 0x0001) ? 0x40 : 0;
18245: state |= (GetAsyncKeyState(VK_NUMLOCK ) & 0x0001) ? 0x20 : 0;
18246: state |= (GetAsyncKeyState(VK_SCROLL ) & 0x0001) ? 0x10 : 0;
18247: state |= (GetAsyncKeyState(VK_MENU ) & 0x8000) ? 0x08 : 0;
18248: state |= (GetAsyncKeyState(VK_CONTROL ) & 0x8000) ? 0x04 : 0;
18249: state |= (GetAsyncKeyState(VK_LSHIFT ) & 0x8000) ? 0x02 : 0;
18250: state |= (GetAsyncKeyState(VK_RSHIFT ) & 0x8000) ? 0x01 : 0;
1.1.1.14 root 18251: mem[0x417] = state;
18252: state = (GetAsyncKeyState(VK_INSERT ) & 0x8000) ? 0x80 : 0;
18253: state |= (GetAsyncKeyState(VK_CAPITAL ) & 0x8000) ? 0x40 : 0;
18254: state |= (GetAsyncKeyState(VK_NUMLOCK ) & 0x8000) ? 0x20 : 0;
18255: state |= (GetAsyncKeyState(VK_SCROLL ) & 0x8000) ? 0x10 : 0;
1.1.1.24 root 18256: // state |= (GetAsyncKeyState(VK_PAUSE ) & 0x0001) ? 0x08 : 0;
18257: // state |= (GetAsyncKeyState(VK_SYSREQ ) & 0x8000) ? 0x04 : 0;
1.1.1.14 root 18258: state |= (GetAsyncKeyState(VK_LMENU ) & 0x8000) ? 0x02 : 0;
18259: state |= (GetAsyncKeyState(VK_LCONTROL) & 0x8000) ? 0x01 : 0;
18260: mem[0x418] = state;
18261:
1.1.1.24 root 18262: // update console input if needed
1.1.1.34 root 18263: if(!key_changed || mouse.hidden == 0) {
1.1.1.24 root 18264: update_console_input();
18265: }
18266:
18267: // raise irq1 if key is pressed/released
18268: if(key_changed) {
1.1.1.8 root 18269: pic_req(0, 1, 1);
1.1.1.24 root 18270: key_changed = false;
18271: }
18272:
18273: // raise irq12 if mouse status is changed
1.1.1.54! root 18274: if((mouse.status & 0x1f) && mouse.call_addr_ps2.dw) {
! 18275: mouse.status_irq = 0; // ???
! 18276: mouse.status_irq_alt = 0; // ???
! 18277: mouse.status_irq_ps2 = mouse.status & 0x1f;
! 18278: mouse.status = 0;
! 18279: pic_req(1, 4, 1);
! 18280: } else if((mouse.status & mouse.call_mask) && mouse.call_addr.dw) {
1.1.1.43 root 18281: mouse.status_irq = mouse.status & mouse.call_mask;
18282: mouse.status_irq_alt = 0; // ???
1.1.1.54! root 18283: mouse.status_irq_ps2 = 0; // ???
1.1.1.24 root 18284: mouse.status &= ~mouse.call_mask;
1.1.1.43 root 18285: pic_req(1, 4, 1);
18286: } else {
18287: for(int i = 0; i < 8; i++) {
18288: if((mouse.status_alt & (1 << i)) && mouse.call_addr_alt[i].dw) {
18289: mouse.status_irq = 0; // ???
18290: mouse.status_irq_alt = 0;
1.1.1.54! root 18291: mouse.status_irq_ps2 = 0; // ???
1.1.1.43 root 18292: for(int j = 0; j < 8; j++) {
18293: if((mouse.status_alt & (1 << j)) && mouse.call_addr_alt[i].dw == mouse.call_addr_alt[j].dw) {
18294: mouse.status_irq_alt |= (1 << j);
18295: mouse.status_alt &= ~(1 << j);
18296: }
18297: }
18298: pic_req(1, 4, 1);
18299: break;
18300: }
18301: }
1.1.1.8 root 18302: }
1.1.1.24 root 18303:
1.1.1.14 root 18304: prev_tick = cur_tick;
1.1.1.8 root 18305: }
1.1.1.24 root 18306:
1.1.1.19 root 18307: // update daily timer counter
18308: pcbios_update_daily_timer_counter(cur_time);
1.1.1.25 root 18309:
1.1.1.8 root 18310: prev_time = cur_time;
1.1 root 18311: }
18312: }
18313:
1.1.1.19 root 18314: // ems
18315:
18316: void ems_init()
18317: {
18318: memset(ems_handles, 0, sizeof(ems_handles));
18319: memset(ems_pages, 0, sizeof(ems_pages));
18320: free_ems_pages = MAX_EMS_PAGES;
18321: }
18322:
18323: void ems_finish()
18324: {
1.1.1.28 root 18325: ems_release();
18326: }
18327:
18328: void ems_release()
18329: {
1.1.1.31 root 18330: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.28 root 18331: if(ems_handles[i].buffer != NULL) {
1.1.1.19 root 18332: free(ems_handles[i].buffer);
18333: ems_handles[i].buffer = NULL;
18334: }
18335: }
18336: }
18337:
18338: void ems_allocate_pages(int handle, int pages)
18339: {
18340: if(pages > 0) {
18341: ems_handles[handle].buffer = (UINT8 *)calloc(1, 0x4000 * pages);
18342: } else {
18343: ems_handles[handle].buffer = NULL;
18344: }
18345: ems_handles[handle].pages = pages;
18346: ems_handles[handle].allocated = true;
18347: free_ems_pages -= pages;
18348: }
18349:
18350: void ems_reallocate_pages(int handle, int pages)
18351: {
18352: if(ems_handles[handle].allocated) {
18353: if(ems_handles[handle].pages != pages) {
18354: UINT8 *new_buffer = NULL;
18355:
18356: if(pages > 0) {
18357: new_buffer = (UINT8 *)calloc(1, 0x4000 * pages);
18358: }
1.1.1.32 root 18359: if(ems_handles[handle].buffer != NULL) {
18360: if(new_buffer != NULL) {
1.1.1.19 root 18361: if(pages > ems_handles[handle].pages) {
18362: memcpy(new_buffer, ems_handles[handle].buffer, 0x4000 * ems_handles[handle].pages);
18363: } else {
18364: memcpy(new_buffer, ems_handles[handle].buffer, 0x4000 * pages);
18365: }
18366: }
18367: free(ems_handles[handle].buffer);
18368: ems_handles[handle].buffer = NULL;
18369: }
18370: free_ems_pages += ems_handles[handle].pages;
18371:
18372: ems_handles[handle].buffer = new_buffer;
18373: ems_handles[handle].pages = pages;
18374: free_ems_pages -= pages;
18375: }
18376: } else {
18377: ems_allocate_pages(handle, pages);
18378: }
18379: }
18380:
18381: void ems_release_pages(int handle)
18382: {
18383: if(ems_handles[handle].allocated) {
1.1.1.32 root 18384: if(ems_handles[handle].buffer != NULL) {
1.1.1.19 root 18385: free(ems_handles[handle].buffer);
18386: ems_handles[handle].buffer = NULL;
18387: }
18388: free_ems_pages += ems_handles[handle].pages;
18389: ems_handles[handle].allocated = false;
18390: }
18391: }
18392:
18393: void ems_map_page(int physical, int handle, int logical)
18394: {
18395: if(ems_pages[physical].mapped) {
18396: if(ems_pages[physical].handle == handle && ems_pages[physical].page == logical) {
18397: return;
18398: }
18399: ems_unmap_page(physical);
18400: }
1.1.1.32 root 18401: if(ems_handles[handle].allocated && ems_handles[handle].buffer != NULL && logical < ems_handles[handle].pages) {
1.1.1.19 root 18402: memcpy(mem + EMS_TOP + 0x4000 * physical, ems_handles[handle].buffer + 0x4000 * logical, 0x4000);
18403: }
18404: ems_pages[physical].handle = handle;
18405: ems_pages[physical].page = logical;
18406: ems_pages[physical].mapped = true;
18407: }
18408:
18409: void ems_unmap_page(int physical)
18410: {
18411: if(ems_pages[physical].mapped) {
18412: int handle = ems_pages[physical].handle;
18413: int logical = ems_pages[physical].page;
18414:
1.1.1.32 root 18415: if(ems_handles[handle].allocated && ems_handles[handle].buffer != NULL && logical < ems_handles[handle].pages) {
1.1.1.19 root 18416: memcpy(ems_handles[handle].buffer + 0x4000 * logical, mem + EMS_TOP + 0x4000 * physical, 0x4000);
18417: }
18418: ems_pages[physical].mapped = false;
18419: }
18420: }
18421:
1.1.1.25 root 18422: // dma
1.1 root 18423:
1.1.1.25 root 18424: void dma_init()
1.1 root 18425: {
1.1.1.26 root 18426: memset(dma, 0, sizeof(dma));
1.1.1.25 root 18427: for(int c = 0; c < 2; c++) {
1.1.1.26 root 18428: // for(int ch = 0; ch < 4; ch++) {
18429: // dma[c].ch[ch].creg.w = dma[c].ch[ch].bcreg.w = 0xffff;
18430: // }
1.1.1.25 root 18431: dma_reset(c);
18432: }
1.1 root 18433: }
18434:
1.1.1.25 root 18435: void dma_reset(int c)
1.1 root 18436: {
1.1.1.25 root 18437: dma[c].low_high = false;
18438: dma[c].cmd = dma[c].req = dma[c].tc = 0;
18439: dma[c].mask = 0xff;
18440: }
18441:
18442: void dma_write(int c, UINT32 addr, UINT8 data)
18443: {
18444: int ch = (addr >> 1) & 3;
18445: UINT8 bit = 1 << (data & 3);
18446:
18447: switch(addr & 0x0f) {
18448: case 0x00: case 0x02: case 0x04: case 0x06:
18449: if(dma[c].low_high) {
18450: dma[c].ch[ch].bareg.b.h = data;
1.1 root 18451: } else {
1.1.1.25 root 18452: dma[c].ch[ch].bareg.b.l = data;
18453: }
18454: dma[c].ch[ch].areg.w = dma[c].ch[ch].bareg.w;
18455: dma[c].low_high = !dma[c].low_high;
18456: break;
18457: case 0x01: case 0x03: case 0x05: case 0x07:
18458: if(dma[c].low_high) {
18459: dma[c].ch[ch].bcreg.b.h = data;
18460: } else {
18461: dma[c].ch[ch].bcreg.b.l = data;
18462: }
18463: dma[c].ch[ch].creg.w = dma[c].ch[ch].bcreg.w;
18464: dma[c].low_high = !dma[c].low_high;
18465: break;
18466: case 0x08:
18467: // command register
18468: dma[c].cmd = data;
18469: break;
18470: case 0x09:
18471: // dma[c].request register
18472: if(data & 4) {
18473: if(!(dma[c].req & bit)) {
18474: dma[c].req |= bit;
18475: // dma_run(c, ch);
18476: }
18477: } else {
18478: dma[c].req &= ~bit;
18479: }
18480: break;
18481: case 0x0a:
18482: // single mask register
18483: if(data & 4) {
18484: dma[c].mask |= bit;
18485: } else {
18486: dma[c].mask &= ~bit;
18487: }
18488: break;
18489: case 0x0b:
18490: // mode register
18491: dma[c].ch[data & 3].mode = data;
18492: break;
18493: case 0x0c:
18494: dma[c].low_high = false;
18495: break;
18496: case 0x0d:
18497: // clear master
18498: dma_reset(c);
18499: break;
18500: case 0x0e:
18501: // clear mask register
18502: dma[c].mask = 0;
18503: break;
18504: case 0x0f:
18505: // all mask register
18506: dma[c].mask = data & 0x0f;
18507: break;
18508: }
18509: }
18510:
18511: UINT8 dma_read(int c, UINT32 addr)
18512: {
18513: int ch = (addr >> 1) & 3;
18514: UINT8 val = 0xff;
18515:
18516: switch(addr & 0x0f) {
18517: case 0x00: case 0x02: case 0x04: case 0x06:
18518: if(dma[c].low_high) {
18519: val = dma[c].ch[ch].areg.b.h;
18520: } else {
18521: val = dma[c].ch[ch].areg.b.l;
18522: }
18523: dma[c].low_high = !dma[c].low_high;
18524: return(val);
18525: case 0x01: case 0x03: case 0x05: case 0x07:
18526: if(dma[c].low_high) {
18527: val = dma[c].ch[ch].creg.b.h;
18528: } else {
18529: val = dma[c].ch[ch].creg.b.l;
18530: }
18531: dma[c].low_high = !dma[c].low_high;
18532: return(val);
18533: case 0x08:
18534: // status register
18535: val = (dma[c].req << 4) | dma[c].tc;
18536: dma[c].tc = 0;
18537: return(val);
18538: case 0x0d:
1.1.1.26 root 18539: // temporary register (intel 82374 does not support)
1.1.1.25 root 18540: return(dma[c].tmp & 0xff);
1.1.1.26 root 18541: case 0x0f:
18542: // mask register (intel 82374 does support)
18543: return(dma[c].mask);
1.1.1.25 root 18544: }
18545: return(0xff);
18546: }
18547:
18548: void dma_page_write(int c, int ch, UINT8 data)
18549: {
18550: dma[c].ch[ch].pagereg = data;
18551: }
18552:
18553: UINT8 dma_page_read(int c, int ch)
18554: {
18555: return(dma[c].ch[ch].pagereg);
18556: }
18557:
18558: void dma_run(int c, int ch)
18559: {
18560: UINT8 bit = 1 << ch;
18561:
18562: if((dma[c].req & bit) && !(dma[c].mask & bit)) {
18563: // execute dma
18564: while(dma[c].req & bit) {
18565: if(ch == 0 && (dma[c].cmd & 0x01)) {
18566: // memory -> memory
18567: UINT32 saddr = dma[c].ch[0].areg.w | (dma[c].ch[0].pagereg << 16);
18568: UINT32 daddr = dma[c].ch[1].areg.w | (dma[c].ch[1].pagereg << 16);
18569:
18570: if(c == 0) {
18571: dma[c].tmp = read_byte(saddr);
18572: write_byte(daddr, dma[c].tmp);
18573: } else {
18574: dma[c].tmp = read_word(saddr << 1);
18575: write_word(daddr << 1, dma[c].tmp);
18576: }
18577: if(!(dma[c].cmd & 0x02)) {
18578: if(dma[c].ch[0].mode & 0x20) {
18579: dma[c].ch[0].areg.w--;
18580: if(dma[c].ch[0].areg.w == 0xffff) {
18581: dma[c].ch[0].pagereg--;
18582: }
18583: } else {
18584: dma[c].ch[0].areg.w++;
18585: if(dma[c].ch[0].areg.w == 0) {
18586: dma[c].ch[0].pagereg++;
18587: }
18588: }
18589: }
18590: if(dma[c].ch[1].mode & 0x20) {
18591: dma[c].ch[1].areg.w--;
18592: if(dma[c].ch[1].areg.w == 0xffff) {
18593: dma[c].ch[1].pagereg--;
18594: }
18595: } else {
18596: dma[c].ch[1].areg.w++;
18597: if(dma[c].ch[1].areg.w == 0) {
18598: dma[c].ch[1].pagereg++;
18599: }
18600: }
18601:
18602: // check dma condition
18603: if(dma[c].ch[0].creg.w-- == 0) {
18604: if(dma[c].ch[0].mode & 0x10) {
18605: // self initialize
18606: dma[c].ch[0].areg.w = dma[c].ch[0].bareg.w;
18607: dma[c].ch[0].creg.w = dma[c].ch[0].bcreg.w;
18608: } else {
18609: // dma[c].mask |= bit;
18610: }
18611: }
18612: if(dma[c].ch[1].creg.w-- == 0) {
18613: // terminal count
18614: if(dma[c].ch[1].mode & 0x10) {
18615: // self initialize
18616: dma[c].ch[1].areg.w = dma[c].ch[1].bareg.w;
18617: dma[c].ch[1].creg.w = dma[c].ch[1].bcreg.w;
18618: } else {
18619: dma[c].mask |= bit;
18620: }
18621: dma[c].req &= ~bit;
18622: dma[c].tc |= bit;
18623: }
18624: } else {
18625: UINT32 addr = dma[c].ch[ch].areg.w | (dma[c].ch[ch].pagereg << 16);
18626:
18627: if((dma[c].ch[ch].mode & 0x0c) == 0x00) {
18628: // verify
18629: } else if((dma[c].ch[ch].mode & 0x0c) == 0x04) {
18630: // io -> memory
18631: if(c == 0) {
18632: dma[c].tmp = read_io_byte(dma[c].ch[ch].port);
18633: write_byte(addr, dma[c].tmp);
18634: } else {
18635: dma[c].tmp = read_io_word(dma[c].ch[ch].port);
18636: write_word(addr << 1, dma[c].tmp);
18637: }
18638: } else if((dma[c].ch[ch].mode & 0x0c) == 0x08) {
18639: // memory -> io
18640: if(c == 0) {
18641: dma[c].tmp = read_byte(addr);
18642: write_io_byte(dma[c].ch[ch].port, dma[c].tmp);
18643: } else {
18644: dma[c].tmp = read_word(addr << 1);
18645: write_io_word(dma[c].ch[ch].port, dma[c].tmp);
18646: }
18647: }
18648: if(dma[c].ch[ch].mode & 0x20) {
18649: dma[c].ch[ch].areg.w--;
18650: if(dma[c].ch[ch].areg.w == 0xffff) {
18651: dma[c].ch[ch].pagereg--;
18652: }
18653: } else {
18654: dma[c].ch[ch].areg.w++;
18655: if(dma[c].ch[ch].areg.w == 0) {
18656: dma[c].ch[ch].pagereg++;
18657: }
18658: }
18659:
18660: // check dma condition
18661: if(dma[c].ch[ch].creg.w-- == 0) {
18662: // terminal count
18663: if(dma[c].ch[ch].mode & 0x10) {
18664: // self initialize
18665: dma[c].ch[ch].areg.w = dma[c].ch[ch].bareg.w;
18666: dma[c].ch[ch].creg.w = dma[c].ch[ch].bcreg.w;
18667: } else {
18668: dma[c].mask |= bit;
18669: }
18670: dma[c].req &= ~bit;
18671: dma[c].tc |= bit;
18672: } else if((dma[c].ch[ch].mode & 0xc0) == 0x40) {
18673: // single mode
18674: break;
18675: }
18676: }
18677: }
18678: }
18679: }
18680:
18681: // pic
18682:
18683: void pic_init()
18684: {
18685: memset(pic, 0, sizeof(pic));
18686: pic[0].imr = pic[1].imr = 0xff;
18687:
18688: // from bochs bios
18689: pic_write(0, 0, 0x11); // icw1 = 11h
18690: pic_write(0, 1, 0x08); // icw2 = 08h
18691: pic_write(0, 1, 0x04); // icw3 = 04h
18692: pic_write(0, 1, 0x01); // icw4 = 01h
18693: pic_write(0, 1, 0xb8); // ocw1 = b8h
18694: pic_write(1, 0, 0x11); // icw1 = 11h
18695: pic_write(1, 1, 0x70); // icw2 = 70h
18696: pic_write(1, 1, 0x02); // icw3 = 02h
18697: pic_write(1, 1, 0x01); // icw4 = 01h
18698: }
18699:
18700: void pic_write(int c, UINT32 addr, UINT8 data)
18701: {
18702: if(addr & 1) {
18703: if(pic[c].icw2_r) {
18704: // icw2
18705: pic[c].icw2 = data;
18706: pic[c].icw2_r = 0;
18707: } else if(pic[c].icw3_r) {
18708: // icw3
18709: pic[c].icw3 = data;
18710: pic[c].icw3_r = 0;
18711: } else if(pic[c].icw4_r) {
18712: // icw4
18713: pic[c].icw4 = data;
18714: pic[c].icw4_r = 0;
18715: } else {
18716: // ocw1
1.1 root 18717: pic[c].imr = data;
18718: }
18719: } else {
18720: if(data & 0x10) {
18721: // icw1
18722: pic[c].icw1 = data;
18723: pic[c].icw2_r = 1;
18724: pic[c].icw3_r = (data & 2) ? 0 : 1;
18725: pic[c].icw4_r = data & 1;
18726: pic[c].irr = 0;
18727: pic[c].isr = 0;
18728: pic[c].imr = 0;
18729: pic[c].prio = 0;
18730: if(!(pic[c].icw1 & 1)) {
18731: pic[c].icw4 = 0;
18732: }
18733: pic[c].ocw3 = 0;
18734: } else if(data & 8) {
18735: // ocw3
18736: if(!(data & 2)) {
18737: data = (data & ~1) | (pic[c].ocw3 & 1);
18738: }
18739: if(!(data & 0x40)) {
18740: data = (data & ~0x20) | (pic[c].ocw3 & 0x20);
18741: }
18742: pic[c].ocw3 = data;
18743: } else {
18744: // ocw2
18745: int level = 0;
18746: if(data & 0x40) {
18747: level = data & 7;
18748: } else {
18749: if(!pic[c].isr) {
18750: return;
18751: }
18752: level = pic[c].prio;
18753: while(!(pic[c].isr & (1 << level))) {
18754: level = (level + 1) & 7;
18755: }
18756: }
18757: if(data & 0x80) {
18758: pic[c].prio = (level + 1) & 7;
18759: }
18760: if(data & 0x20) {
18761: pic[c].isr &= ~(1 << level);
18762: }
18763: }
18764: }
18765: pic_update();
18766: }
18767:
18768: UINT8 pic_read(int c, UINT32 addr)
18769: {
18770: if(addr & 1) {
18771: return(pic[c].imr);
18772: } else {
18773: // polling mode is not supported...
18774: //if(pic[c].ocw3 & 4) {
18775: // return ???;
18776: //}
18777: if(pic[c].ocw3 & 1) {
18778: return(pic[c].isr);
18779: } else {
18780: return(pic[c].irr);
18781: }
18782: }
18783: }
18784:
18785: void pic_req(int c, int level, int signal)
18786: {
18787: if(signal) {
18788: pic[c].irr |= (1 << level);
18789: } else {
18790: pic[c].irr &= ~(1 << level);
18791: }
18792: pic_update();
18793: }
18794:
18795: int pic_ack()
18796: {
18797: // ack (INTA=L)
18798: pic[pic_req_chip].isr |= pic_req_bit;
18799: pic[pic_req_chip].irr &= ~pic_req_bit;
18800: if(pic_req_chip > 0) {
18801: // update isr and irr of master
18802: UINT8 slave = 1 << (pic[pic_req_chip].icw3 & 7);
18803: pic[pic_req_chip - 1].isr |= slave;
18804: pic[pic_req_chip - 1].irr &= ~slave;
18805: }
18806: //if(pic[pic_req_chip].icw4 & 1) {
18807: // 8086 mode
18808: int vector = (pic[pic_req_chip].icw2 & 0xf8) | pic_req_level;
18809: //} else {
18810: // // 8080 mode
18811: // UINT16 addr = (UINT16)pic[pic_req_chip].icw2 << 8;
18812: // if(pic[pic_req_chip].icw1 & 4) {
18813: // addr |= (pic[pic_req_chip].icw1 & 0xe0) | (pic_req_level << 2);
18814: // } else {
18815: // addr |= (pic[pic_req_chip].icw1 & 0xc0) | (pic_req_level << 3);
18816: // }
18817: // vector = 0xcd | (addr << 8);
18818: //}
18819: if(pic[pic_req_chip].icw4 & 2) {
18820: // auto eoi
18821: pic[pic_req_chip].isr &= ~pic_req_bit;
18822: }
18823: return(vector);
18824: }
18825:
18826: void pic_update()
18827: {
18828: for(int c = 0; c < 2; c++) {
18829: UINT8 irr = pic[c].irr;
18830: if(c + 1 < 2) {
18831: // this is master
18832: if(pic[c + 1].irr & (~pic[c + 1].imr)) {
18833: // request from slave
18834: irr |= 1 << (pic[c + 1].icw3 & 7);
18835: }
18836: }
18837: irr &= (~pic[c].imr);
18838: if(!irr) {
18839: break;
18840: }
18841: if(!(pic[c].ocw3 & 0x20)) {
18842: irr |= pic[c].isr;
18843: }
18844: int level = pic[c].prio;
18845: UINT8 bit = 1 << level;
18846: while(!(irr & bit)) {
18847: level = (level + 1) & 7;
18848: bit = 1 << level;
18849: }
18850: if((c + 1 < 2) && (pic[c].icw3 & bit)) {
18851: // check slave
18852: continue;
18853: }
18854: if(pic[c].isr & bit) {
18855: break;
18856: }
18857: // interrupt request
18858: pic_req_chip = c;
18859: pic_req_level = level;
18860: pic_req_bit = bit;
1.1.1.3 root 18861: i386_set_irq_line(INPUT_LINE_IRQ, HOLD_LINE);
1.1 root 18862: return;
18863: }
1.1.1.3 root 18864: i386_set_irq_line(INPUT_LINE_IRQ, CLEAR_LINE);
1.1.1.2 root 18865: }
1.1 root 18866:
1.1.1.25 root 18867: // pio
18868:
18869: void pio_init()
18870: {
1.1.1.38 root 18871: // bool conv_mode = (GetConsoleCP() == 932);
18872:
1.1.1.26 root 18873: memset(pio, 0, sizeof(pio));
1.1.1.37 root 18874:
1.1.1.25 root 18875: for(int c = 0; c < 2; c++) {
1.1.1.37 root 18876: pio[c].stat = 0xdf;
1.1.1.25 root 18877: pio[c].ctrl = 0x0c;
1.1.1.38 root 18878: // pio[c].conv_mode = conv_mode;
1.1.1.25 root 18879: }
18880: }
18881:
1.1.1.37 root 18882: void pio_finish()
18883: {
18884: pio_release();
18885: }
18886:
18887: void pio_release()
18888: {
18889: for(int c = 0; c < 2; c++) {
18890: if(pio[c].fp != NULL) {
1.1.1.38 root 18891: if(pio[c].jis_mode) {
18892: fputc(0x1c, pio[c].fp);
18893: fputc(0x2e, pio[c].fp);
18894: }
1.1.1.37 root 18895: fclose(pio[c].fp);
18896: pio[c].fp = NULL;
18897: }
18898: }
18899: }
18900:
1.1.1.25 root 18901: void pio_write(int c, UINT32 addr, UINT8 data)
18902: {
18903: switch(addr & 3) {
18904: case 0:
18905: pio[c].data = data;
18906: break;
18907: case 2:
1.1.1.37 root 18908: if((pio[c].ctrl & 0x01) && !(data & 0x01)) {
18909: // strobe H -> L
18910: if(pio[c].data == 0x0d && (data & 0x02)) {
18911: // auto feed
18912: printer_out(c, 0x0d);
18913: printer_out(c, 0x0a);
18914: } else {
18915: printer_out(c, pio[c].data);
18916: }
18917: pio[c].stat &= ~0x40; // set ack
18918: }
1.1.1.25 root 18919: pio[c].ctrl = data;
18920: break;
18921: }
18922: }
18923:
18924: UINT8 pio_read(int c, UINT32 addr)
18925: {
18926: switch(addr & 3) {
18927: case 0:
1.1.1.37 root 18928: if(pio[c].ctrl & 0x20) {
18929: // input mode
18930: return(0xff);
18931: }
1.1.1.25 root 18932: return(pio[c].data);
18933: case 1:
1.1.1.37 root 18934: {
18935: UINT8 stat = pio[c].stat;
18936: pio[c].stat |= 0x40; // clear ack
18937: return(stat);
18938: }
1.1.1.25 root 18939: case 2:
18940: return(pio[c].ctrl);
18941: }
18942: return(0xff);
18943: }
18944:
1.1.1.37 root 18945: void printer_out(int c, UINT8 data)
18946: {
18947: SYSTEMTIME time;
1.1.1.38 root 18948: bool jis_mode = false;
1.1.1.37 root 18949:
18950: GetLocalTime(&time);
18951:
18952: if(pio[c].fp != NULL) {
18953: // if at least 1000ms passed from last written, close the current file
18954: FILETIME ftime1;
18955: FILETIME ftime2;
18956: SystemTimeToFileTime(&pio[c].time, &ftime1);
18957: SystemTimeToFileTime(&time, &ftime2);
18958: INT64 *time1 = (INT64 *)&ftime1;
18959: INT64 *time2 = (INT64 *)&ftime2;
18960: INT64 msec = (*time2 - *time1) / 10000;
18961:
18962: if(msec >= 1000) {
1.1.1.38 root 18963: if(pio[c].jis_mode) {
18964: fputc(0x1c, pio[c].fp);
18965: fputc(0x2e, pio[c].fp);
18966: jis_mode = true;
18967: }
1.1.1.37 root 18968: fclose(pio[c].fp);
18969: pio[c].fp = NULL;
18970: }
18971: }
18972: if(pio[c].fp == NULL) {
18973: // create a new file in the temp folder
18974: char file_name[MAX_PATH];
18975:
18976: 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);
18977: if(GetTempPath(MAX_PATH, pio[c].path)) {
18978: strcat(pio[c].path, file_name);
18979: } else {
18980: strcpy(pio[c].path, file_name);
18981: }
1.1.1.38 root 18982: pio[c].fp = fopen(pio[c].path, "w+b");
1.1.1.37 root 18983: }
18984: if(pio[c].fp != NULL) {
1.1.1.38 root 18985: if(jis_mode) {
18986: fputc(0x1c, pio[c].fp);
18987: fputc(0x26, pio[c].fp);
18988: }
1.1.1.37 root 18989: fputc(data, pio[c].fp);
1.1.1.38 root 18990:
18991: // reopen file if 1ch 26h 1ch 2eh (kanji-on kanji-off) are written at the top
18992: if(data == 0x2e && ftell(pio[c].fp) == 4) {
18993: UINT8 buffer[4];
18994: fseek(pio[c].fp, 0, SEEK_SET);
18995: fread(buffer, 4, 1, pio[c].fp);
18996: if(buffer[0] == 0x1c && buffer[1] == 0x26 && buffer[2] == 0x1c/* && buffer[3] == 0x2e*/) {
18997: fclose(pio[c].fp);
18998: pio[c].fp = fopen(pio[c].path, "w+b");
18999: }
19000: }
1.1.1.37 root 19001: pio[c].time = time;
19002: }
19003: }
19004:
1.1 root 19005: // pit
19006:
1.1.1.22 root 19007: #define PIT_FREQ 1193182ULL
1.1 root 19008: #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)
19009:
19010: void pit_init()
19011: {
1.1.1.8 root 19012: memset(pit, 0, sizeof(pit));
1.1 root 19013: for(int ch = 0; ch < 3; ch++) {
19014: pit[ch].count = 0x10000;
19015: pit[ch].ctrl_reg = 0x34;
19016: pit[ch].mode = 3;
19017: }
19018:
19019: // from bochs bios
19020: pit_write(3, 0x34);
19021: pit_write(0, 0x00);
19022: pit_write(0, 0x00);
19023: }
19024:
19025: void pit_write(int ch, UINT8 val)
19026: {
1.1.1.8 root 19027: #ifndef PIT_ALWAYS_RUNNING
1.1 root 19028: if(!pit_active) {
19029: pit_active = 1;
19030: pit_init();
19031: }
1.1.1.8 root 19032: #endif
1.1 root 19033: switch(ch) {
19034: case 0:
19035: case 1:
19036: case 2:
19037: // write count register
19038: if(!pit[ch].low_write && !pit[ch].high_write) {
19039: if(pit[ch].ctrl_reg & 0x10) {
19040: pit[ch].low_write = 1;
19041: }
19042: if(pit[ch].ctrl_reg & 0x20) {
19043: pit[ch].high_write = 1;
19044: }
19045: }
19046: if(pit[ch].low_write) {
19047: pit[ch].count_reg = val;
19048: pit[ch].low_write = 0;
19049: } else if(pit[ch].high_write) {
19050: if((pit[ch].ctrl_reg & 0x30) == 0x20) {
19051: pit[ch].count_reg = val << 8;
19052: } else {
19053: pit[ch].count_reg |= val << 8;
19054: }
19055: pit[ch].high_write = 0;
19056: }
19057: // start count
1.1.1.8 root 19058: if(!pit[ch].low_write && !pit[ch].high_write) {
19059: if(pit[ch].mode == 0 || pit[ch].mode == 4 || pit[ch].prev_time == 0) {
19060: pit[ch].count = PIT_COUNT_VALUE(ch);
19061: pit[ch].prev_time = timeGetTime();
19062: pit[ch].expired_time = pit[ch].prev_time + pit_get_expired_time(ch);
1.1 root 19063: }
19064: }
19065: break;
19066: case 3: // ctrl reg
19067: if((val & 0xc0) == 0xc0) {
19068: // i8254 read-back command
19069: for(ch = 0; ch < 3; ch++) {
19070: if(!(val & 0x10) && !pit[ch].status_latched) {
19071: pit[ch].status = pit[ch].ctrl_reg & 0x3f;
19072: pit[ch].status_latched = 1;
19073: }
19074: if(!(val & 0x20) && !pit[ch].count_latched) {
19075: pit_latch_count(ch);
19076: }
19077: }
19078: break;
19079: }
19080: ch = (val >> 6) & 3;
19081: if(val & 0x30) {
1.1.1.35 root 19082: static const int modes[8] = {0, 1, 2, 3, 4, 5, 2, 3};
1.1 root 19083: pit[ch].mode = modes[(val >> 1) & 7];
19084: pit[ch].count_latched = 0;
19085: pit[ch].low_read = pit[ch].high_read = 0;
19086: pit[ch].low_write = pit[ch].high_write = 0;
19087: pit[ch].ctrl_reg = val;
19088: // stop count
1.1.1.8 root 19089: pit[ch].prev_time = pit[ch].expired_time = 0;
1.1 root 19090: pit[ch].count_reg = 0;
19091: } else if(!pit[ch].count_latched) {
19092: pit_latch_count(ch);
19093: }
19094: break;
19095: }
19096: }
19097:
19098: UINT8 pit_read(int ch)
19099: {
1.1.1.8 root 19100: #ifndef PIT_ALWAYS_RUNNING
1.1 root 19101: if(!pit_active) {
19102: pit_active = 1;
19103: pit_init();
19104: }
1.1.1.8 root 19105: #endif
1.1 root 19106: switch(ch) {
19107: case 0:
19108: case 1:
19109: case 2:
19110: if(pit[ch].status_latched) {
19111: pit[ch].status_latched = 0;
19112: return(pit[ch].status);
19113: }
19114: // if not latched, through current count
19115: if(!pit[ch].count_latched) {
19116: if(!pit[ch].low_read && !pit[ch].high_read) {
19117: pit_latch_count(ch);
19118: }
19119: }
19120: // return latched count
19121: if(pit[ch].low_read) {
19122: pit[ch].low_read = 0;
19123: if(!pit[ch].high_read) {
19124: pit[ch].count_latched = 0;
19125: }
19126: return(pit[ch].latch & 0xff);
19127: } else if(pit[ch].high_read) {
19128: pit[ch].high_read = 0;
19129: pit[ch].count_latched = 0;
19130: return((pit[ch].latch >> 8) & 0xff);
19131: }
19132: }
19133: return(0xff);
19134: }
19135:
1.1.1.8 root 19136: int pit_run(int ch, UINT32 cur_time)
1.1 root 19137: {
1.1.1.8 root 19138: if(pit[ch].expired_time != 0 && cur_time >= pit[ch].expired_time) {
1.1 root 19139: pit[ch].count = PIT_COUNT_VALUE(ch);
1.1.1.8 root 19140: pit[ch].prev_time = pit[ch].expired_time;
19141: pit[ch].expired_time = pit[ch].prev_time + pit_get_expired_time(ch);
19142: if(cur_time >= pit[ch].expired_time) {
19143: pit[ch].prev_time = cur_time;
19144: pit[ch].expired_time = pit[ch].prev_time + pit_get_expired_time(ch);
1.1 root 19145: }
1.1.1.8 root 19146: return(1);
1.1 root 19147: }
1.1.1.8 root 19148: return(0);
1.1 root 19149: }
19150:
19151: void pit_latch_count(int ch)
19152: {
1.1.1.8 root 19153: if(pit[ch].expired_time != 0) {
1.1.1.26 root 19154: UINT32 cur_time = timeGetTime();
1.1.1.8 root 19155: pit_run(ch, cur_time);
19156: UINT32 tmp = (pit[ch].count * (pit[ch].expired_time - cur_time)) / (pit[ch].expired_time - pit[ch].prev_time);
1.1.1.26 root 19157: UINT16 latch = (tmp != 0) ? (UINT16)tmp : 1;
19158:
19159: if(pit[ch].prev_latch == latch && pit[ch].expired_time > cur_time) {
19160: // decrement counter in 1msec period
19161: if(pit[ch].next_latch == 0) {
19162: tmp = (pit[ch].count * (pit[ch].expired_time - cur_time - 1)) / (pit[ch].expired_time - pit[ch].prev_time);
19163: pit[ch].next_latch = (tmp != 0) ? (UINT16)tmp : 1;
19164: }
19165: if(pit[ch].latch > pit[ch].next_latch) {
19166: pit[ch].latch--;
19167: }
19168: } else {
19169: pit[ch].prev_latch = pit[ch].latch = latch;
19170: pit[ch].next_latch = 0;
19171: }
1.1.1.8 root 19172: } else {
19173: pit[ch].latch = (UINT16)pit[ch].count;
1.1.1.26 root 19174: pit[ch].prev_latch = pit[ch].next_latch = 0;
1.1 root 19175: }
19176: pit[ch].count_latched = 1;
19177: if((pit[ch].ctrl_reg & 0x30) == 0x10) {
19178: // lower byte
19179: pit[ch].low_read = 1;
19180: pit[ch].high_read = 0;
19181: } else if((pit[ch].ctrl_reg & 0x30) == 0x20) {
19182: // upper byte
19183: pit[ch].low_read = 0;
19184: pit[ch].high_read = 1;
19185: } else {
19186: // lower -> upper
1.1.1.14 root 19187: pit[ch].low_read = pit[ch].high_read = 1;
1.1 root 19188: }
19189: }
19190:
1.1.1.8 root 19191: int pit_get_expired_time(int ch)
1.1 root 19192: {
1.1.1.22 root 19193: pit[ch].accum += 1024ULL * 1000ULL * (UINT64)pit[ch].count / PIT_FREQ;
19194: UINT64 val = pit[ch].accum >> 10;
19195: pit[ch].accum -= val << 10;
19196: return((val != 0) ? val : 1);
1.1.1.8 root 19197: }
19198:
1.1.1.25 root 19199: // sio
19200:
19201: void sio_init()
19202: {
1.1.1.26 root 19203: memset(sio, 0, sizeof(sio));
19204: memset(sio_mt, 0, sizeof(sio_mt));
19205:
1.1.1.29 root 19206: for(int c = 0; c < 4; c++) {
1.1.1.25 root 19207: sio[c].send_buffer = new FIFO(SIO_BUFFER_SIZE);
19208: sio[c].recv_buffer = new FIFO(SIO_BUFFER_SIZE);
19209:
19210: sio[c].divisor.w = 12; // 115200Hz / 9600Baud
19211: sio[c].line_ctrl = 0x03; // 8bit, stop 1bit, non parity
1.1.1.26 root 19212: sio[c].modem_ctrl = 0x03; // rts=on, dtr=on
19213: sio[c].set_rts = sio[c].set_dtr = true;
1.1.1.25 root 19214: sio[c].line_stat_buf = 0x60; // send/recv buffers are empty
19215: sio[c].irq_identify = 0x01; // no pending irq
19216:
19217: InitializeCriticalSection(&sio_mt[c].csSendData);
19218: InitializeCriticalSection(&sio_mt[c].csRecvData);
19219: InitializeCriticalSection(&sio_mt[c].csLineCtrl);
19220: InitializeCriticalSection(&sio_mt[c].csLineStat);
19221: InitializeCriticalSection(&sio_mt[c].csModemCtrl);
19222: InitializeCriticalSection(&sio_mt[c].csModemStat);
19223:
1.1.1.26 root 19224: if(sio_port_number[c] != 0) {
1.1.1.25 root 19225: sio[c].channel = c;
19226: sio_mt[c].hThread = CreateThread(NULL, 0, sio_thread, &sio[c], 0, NULL);
19227: }
19228: }
19229: }
19230:
19231: void sio_finish()
19232: {
1.1.1.29 root 19233: for(int c = 0; c < 4; c++) {
1.1.1.25 root 19234: if(sio_mt[c].hThread != NULL) {
19235: WaitForSingleObject(sio_mt[c].hThread, INFINITE);
19236: CloseHandle(sio_mt[c].hThread);
1.1.1.28 root 19237: sio_mt[c].hThread = NULL;
1.1.1.25 root 19238: }
19239: DeleteCriticalSection(&sio_mt[c].csSendData);
19240: DeleteCriticalSection(&sio_mt[c].csRecvData);
19241: DeleteCriticalSection(&sio_mt[c].csLineCtrl);
19242: DeleteCriticalSection(&sio_mt[c].csLineStat);
19243: DeleteCriticalSection(&sio_mt[c].csModemCtrl);
19244: DeleteCriticalSection(&sio_mt[c].csModemStat);
1.1.1.28 root 19245: }
19246: sio_release();
19247: }
19248:
19249: void sio_release()
19250: {
1.1.1.29 root 19251: for(int c = 0; c < 4; c++) {
1.1.1.28 root 19252: // sio_thread() may access the resources :-(
1.1.1.32 root 19253: bool running = (sio_mt[c].hThread != NULL);
19254:
19255: if(running) {
19256: EnterCriticalSection(&sio_mt[c].csSendData);
19257: }
19258: if(sio[c].send_buffer != NULL) {
19259: sio[c].send_buffer->release();
19260: delete sio[c].send_buffer;
19261: sio[c].send_buffer = NULL;
19262: }
19263: if(running) {
19264: LeaveCriticalSection(&sio_mt[c].csSendData);
19265: EnterCriticalSection(&sio_mt[c].csRecvData);
19266: }
19267: if(sio[c].recv_buffer != NULL) {
19268: sio[c].recv_buffer->release();
19269: delete sio[c].recv_buffer;
19270: sio[c].recv_buffer = NULL;
19271: }
19272: if(running) {
19273: LeaveCriticalSection(&sio_mt[c].csRecvData);
1.1.1.28 root 19274: }
1.1.1.25 root 19275: }
19276: }
19277:
19278: void sio_write(int c, UINT32 addr, UINT8 data)
19279: {
19280: switch(addr & 7) {
19281: case 0:
19282: if(sio[c].selector & 0x80) {
19283: if(sio[c].divisor.b.l != data) {
19284: EnterCriticalSection(&sio_mt[c].csLineCtrl);
19285: sio[c].divisor.b.l = data;
19286: LeaveCriticalSection(&sio_mt[c].csLineCtrl);
19287: }
19288: } else {
19289: EnterCriticalSection(&sio_mt[c].csSendData);
1.1.1.32 root 19290: if(sio[c].send_buffer != NULL) {
19291: sio[c].send_buffer->write(data);
19292: }
1.1.1.25 root 19293: // transmitter holding/shift registers are not empty
19294: sio[c].line_stat_buf &= ~0x60;
19295: LeaveCriticalSection(&sio_mt[c].csSendData);
19296:
19297: if(sio[c].irq_enable & 0x02) {
19298: sio_update_irq(c);
19299: }
19300: }
19301: break;
19302: case 1:
19303: if(sio[c].selector & 0x80) {
19304: if(sio[c].divisor.b.h != data) {
19305: EnterCriticalSection(&sio_mt[c].csLineCtrl);
19306: sio[c].divisor.b.h = data;
19307: LeaveCriticalSection(&sio_mt[c].csLineCtrl);
19308: }
19309: } else {
19310: if(sio[c].irq_enable != data) {
19311: sio[c].irq_enable = data;
19312: sio_update_irq(c);
19313: }
19314: }
19315: break;
19316: case 3:
19317: {
19318: UINT8 line_ctrl = data & 0x3f;
19319: bool set_brk = ((data & 0x40) != 0);
19320:
19321: if(sio[c].line_ctrl != line_ctrl) {
19322: EnterCriticalSection(&sio_mt[c].csLineCtrl);
19323: sio[c].line_ctrl = line_ctrl;
19324: LeaveCriticalSection(&sio_mt[c].csLineCtrl);
19325: }
19326: if(sio[c].set_brk != set_brk) {
19327: EnterCriticalSection(&sio_mt[c].csModemCtrl);
19328: sio[c].set_brk = set_brk;
19329: LeaveCriticalSection(&sio_mt[c].csModemCtrl);
19330: }
19331: }
19332: sio[c].selector = data;
19333: break;
19334: case 4:
19335: {
19336: bool set_dtr = ((data & 0x01) != 0);
19337: bool set_rts = ((data & 0x02) != 0);
19338:
19339: if(sio[c].set_dtr != set_dtr || sio[c].set_rts != set_rts) {
1.1.1.26 root 19340: // EnterCriticalSection(&sio_mt[c].csModemCtrl);
1.1.1.25 root 19341: sio[c].set_dtr = set_dtr;
19342: sio[c].set_rts = set_rts;
1.1.1.26 root 19343: // LeaveCriticalSection(&sio_mt[c].csModemCtrl);
19344:
19345: bool state_changed = false;
19346:
19347: EnterCriticalSection(&sio_mt[c].csModemStat);
19348: if(set_dtr) {
19349: sio[c].modem_stat |= 0x20; // dsr on
19350: } else {
19351: sio[c].modem_stat &= ~0x20; // dsr off
19352: }
19353: if(set_rts) {
19354: sio[c].modem_stat |= 0x10; // cts on
19355: } else {
19356: sio[c].modem_stat &= ~0x10; // cts off
19357: }
19358: if((sio[c].prev_modem_stat & 0x20) != (sio[c].modem_stat & 0x20)) {
19359: if(!(sio[c].modem_stat & 0x02)) {
19360: if(sio[c].irq_enable & 0x08) {
19361: state_changed = true;
19362: }
19363: sio[c].modem_stat |= 0x02;
19364: }
19365: }
19366: if((sio[c].prev_modem_stat & 0x10) != (sio[c].modem_stat & 0x10)) {
19367: if(!(sio[c].modem_stat & 0x01)) {
19368: if(sio[c].irq_enable & 0x08) {
19369: state_changed = true;
19370: }
19371: sio[c].modem_stat |= 0x01;
19372: }
19373: }
19374: LeaveCriticalSection(&sio_mt[c].csModemStat);
19375:
19376: if(state_changed) {
19377: sio_update_irq(c);
19378: }
1.1.1.25 root 19379: }
19380: }
19381: sio[c].modem_ctrl = data;
19382: break;
19383: case 7:
19384: sio[c].scratch = data;
19385: break;
19386: }
19387: }
19388:
19389: UINT8 sio_read(int c, UINT32 addr)
19390: {
19391: switch(addr & 7) {
19392: case 0:
19393: if(sio[c].selector & 0x80) {
19394: return(sio[c].divisor.b.l);
19395: } else {
19396: EnterCriticalSection(&sio_mt[c].csRecvData);
1.1.1.32 root 19397: UINT8 data = 0;
19398: if(sio[c].recv_buffer != NULL) {
19399: data = sio[c].recv_buffer->read();
19400: }
1.1.1.25 root 19401: // data is not ready
19402: sio[c].line_stat_buf &= ~0x01;
19403: LeaveCriticalSection(&sio_mt[c].csRecvData);
19404:
19405: if(sio[c].irq_enable & 0x01) {
19406: sio_update_irq(c);
19407: }
19408: return(data);
19409: }
19410: case 1:
19411: if(sio[c].selector & 0x80) {
19412: return(sio[c].divisor.b.h);
19413: } else {
19414: return(sio[c].irq_enable);
19415: }
19416: case 2:
19417: return(sio[c].irq_identify);
19418: case 3:
19419: return(sio[c].selector);
19420: case 4:
19421: return(sio[c].modem_ctrl);
19422: case 5:
19423: {
19424: EnterCriticalSection(&sio_mt[c].csLineStat);
19425: UINT8 val = sio[c].line_stat_err | sio[c].line_stat_buf;
19426: sio[c].line_stat_err = 0x00;
19427: LeaveCriticalSection(&sio_mt[c].csLineStat);
19428:
19429: bool state_changed = false;
19430:
19431: if((sio[c].line_stat_buf & 0x60) == 0x00) {
19432: EnterCriticalSection(&sio_mt[c].csSendData);
1.1.1.32 root 19433: if(sio[c].send_buffer != NULL && !sio[c].send_buffer->full()) {
1.1.1.25 root 19434: // transmitter holding register will be empty first
19435: if(sio[c].irq_enable & 0x02) {
19436: state_changed = true;
19437: }
19438: sio[c].line_stat_buf |= 0x20;
19439: }
19440: LeaveCriticalSection(&sio_mt[c].csSendData);
19441: } else if((sio[c].line_stat_buf & 0x60) == 0x20) {
19442: // transmitter shift register will be empty later
19443: sio[c].line_stat_buf |= 0x40;
19444: }
19445: if(!(sio[c].line_stat_buf & 0x01)) {
19446: EnterCriticalSection(&sio_mt[c].csRecvData);
1.1.1.32 root 19447: if(sio[c].recv_buffer != NULL && !sio[c].recv_buffer->empty()) {
1.1.1.25 root 19448: // data is ready
19449: if(sio[c].irq_enable & 0x01) {
19450: state_changed = true;
19451: }
19452: sio[c].line_stat_buf |= 0x01;
19453: }
19454: LeaveCriticalSection(&sio_mt[c].csRecvData);
19455: }
19456: if(state_changed) {
19457: sio_update_irq(c);
19458: }
19459: return(val);
19460: }
19461: case 6:
19462: {
19463: EnterCriticalSection(&sio_mt[c].csModemStat);
19464: UINT8 val = sio[c].modem_stat;
19465: sio[c].modem_stat &= 0xf0;
19466: sio[c].prev_modem_stat = sio[c].modem_stat;
19467: LeaveCriticalSection(&sio_mt[c].csModemStat);
19468:
19469: if(sio[c].modem_ctrl & 0x10) {
19470: // loop-back
19471: val &= 0x0f;
19472: val |= (sio[c].modem_ctrl & 0x0c) << 4;
19473: val |= (sio[c].modem_ctrl & 0x01) << 5;
19474: val |= (sio[c].modem_ctrl & 0x02) << 3;
19475: }
19476: return(val);
19477: }
19478: case 7:
19479: return(sio[c].scratch);
19480: }
19481: return(0xff);
19482: }
19483:
19484: void sio_update(int c)
19485: {
19486: if((sio[c].line_stat_buf & 0x60) == 0x00) {
19487: EnterCriticalSection(&sio_mt[c].csSendData);
1.1.1.32 root 19488: if(sio[c].send_buffer != NULL && !sio[c].send_buffer->full()) {
1.1.1.25 root 19489: // transmitter holding/shift registers will be empty
19490: sio[c].line_stat_buf |= 0x60;
19491: }
19492: LeaveCriticalSection(&sio_mt[c].csSendData);
19493: } else if((sio[c].line_stat_buf & 0x60) == 0x20) {
19494: // transmitter shift register will be empty
19495: sio[c].line_stat_buf |= 0x40;
19496: }
19497: if(!(sio[c].line_stat_buf & 0x01)) {
19498: EnterCriticalSection(&sio_mt[c].csRecvData);
1.1.1.32 root 19499: if(sio[c].recv_buffer != NULL && !sio[c].recv_buffer->empty()) {
1.1.1.25 root 19500: // data is ready
19501: sio[c].line_stat_buf |= 0x01;
19502: }
19503: LeaveCriticalSection(&sio_mt[c].csRecvData);
19504: }
19505: sio_update_irq(c);
19506: }
19507:
19508: void sio_update_irq(int c)
19509: {
19510: int level = -1;
19511:
19512: if(sio[c].irq_enable & 0x08) {
19513: EnterCriticalSection(&sio_mt[c].csModemStat);
19514: if((sio[c].modem_stat & 0x0f) != 0) {
19515: level = 0;
19516: }
19517: EnterCriticalSection(&sio_mt[c].csModemStat);
19518: }
19519: if(sio[c].irq_enable & 0x02) {
19520: if(sio[c].line_stat_buf & 0x20) {
19521: level = 1;
19522: }
19523: }
19524: if(sio[c].irq_enable & 0x01) {
19525: if(sio[c].line_stat_buf & 0x01) {
19526: level = 2;
19527: }
19528: }
19529: if(sio[c].irq_enable & 0x04) {
19530: EnterCriticalSection(&sio_mt[c].csLineStat);
19531: if(sio[c].line_stat_err != 0) {
19532: level = 3;
19533: }
19534: LeaveCriticalSection(&sio_mt[c].csLineStat);
19535: }
1.1.1.29 root 19536:
19537: // COM1 and COM3 shares IRQ4, COM2 and COM4 shares IRQ3
1.1.1.25 root 19538: if(level != -1) {
19539: sio[c].irq_identify = level << 1;
1.1.1.29 root 19540: pic_req(0, (c == 0 || c == 2) ? 4 : 3, 1);
1.1.1.25 root 19541: } else {
19542: sio[c].irq_identify = 1;
1.1.1.29 root 19543: pic_req(0, (c == 0 || c == 2) ? 4 : 3, 0);
1.1.1.25 root 19544: }
19545: }
19546:
19547: DWORD WINAPI sio_thread(void *lpx)
19548: {
19549: volatile sio_t *p = (sio_t *)lpx;
19550: sio_mt_t *q = &sio_mt[p->channel];
19551:
19552: char name[] = "COM1";
1.1.1.26 root 19553: name[3] = '0' + sio_port_number[p->channel];
19554: HANDLE hComm = NULL;
19555: COMMPROP commProp;
19556: DCB dcb;
19557: DWORD dwSettableBaud = 0xffb; // 75, 110, 150, 300, 600, 1200, 1800, 2400, 4800, 7200, and 9600bps
19558: BYTE bytBuffer[SIO_BUFFER_SIZE];
19559:
19560: if((hComm = CreateFile(name, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL)) != INVALID_HANDLE_VALUE) {
19561: if(GetCommProperties(hComm, &commProp)) {
19562: dwSettableBaud = commProp.dwSettableBaud;
19563: }
1.1.1.25 root 19564: EscapeCommFunction(hComm, CLRBREAK);
1.1.1.26 root 19565: // EscapeCommFunction(hComm, SETRTS);
19566: // EscapeCommFunction(hComm, SETDTR);
1.1.1.25 root 19567:
1.1.1.54! root 19568: while(!m_exit) {
1.1.1.25 root 19569: // setup comm port
19570: bool comm_state_changed = false;
19571:
19572: EnterCriticalSection(&q->csLineCtrl);
19573: if((p->prev_divisor != p->divisor.w || p->prev_line_ctrl != p->line_ctrl) && p->divisor.w != 0) {
19574: p->prev_divisor = p->divisor.w;
19575: p->prev_line_ctrl = p->line_ctrl;
19576: comm_state_changed = true;
19577: }
19578: LeaveCriticalSection(&q->csLineCtrl);
19579:
19580: if(comm_state_changed) {
1.1.1.26 root 19581: if(GetCommState(hComm, &dcb)) {
19582: // dcb.BaudRate = min(9600, 115200 / p->prev_divisor);
19583: DWORD baud = 115200 / p->prev_divisor;
19584: dcb.BaudRate = 9600; // default
19585:
19586: if((dwSettableBaud & BAUD_075 ) && baud >= 75 ) dcb.BaudRate = 75;
19587: if((dwSettableBaud & BAUD_110 ) && baud >= 110 ) dcb.BaudRate = 110;
19588: // 134.5bps is not supported ???
19589: // if((dwSettableBaud & BAUD_134_5) && baud >= 134.5) dcb.BaudRate = 134.5;
19590: if((dwSettableBaud & BAUD_150 ) && baud >= 150 ) dcb.BaudRate = 150;
19591: if((dwSettableBaud & BAUD_300 ) && baud >= 300 ) dcb.BaudRate = 300;
19592: if((dwSettableBaud & BAUD_600 ) && baud >= 600 ) dcb.BaudRate = 600;
19593: if((dwSettableBaud & BAUD_1200 ) && baud >= 1200 ) dcb.BaudRate = 1200;
19594: if((dwSettableBaud & BAUD_1800 ) && baud >= 1800 ) dcb.BaudRate = 1800;
19595: if((dwSettableBaud & BAUD_2400 ) && baud >= 2400 ) dcb.BaudRate = 2400;
19596: if((dwSettableBaud & BAUD_4800 ) && baud >= 4800 ) dcb.BaudRate = 4800;
19597: if((dwSettableBaud & BAUD_7200 ) && baud >= 7200 ) dcb.BaudRate = 7200;
19598: if((dwSettableBaud & BAUD_9600 ) && baud >= 9600 ) dcb.BaudRate = 9600;
19599: // if((dwSettableBaud & BAUD_14400) && baud >= 14400) dcb.BaudRate = 14400;
19600: // if((dwSettableBaud & BAUD_19200) && baud >= 19200) dcb.BaudRate = 19200;
19601: // if((dwSettableBaud & BAUD_38400) && baud >= 38400) dcb.BaudRate = 38400;
19602:
19603: switch(p->prev_line_ctrl & 0x03) {
19604: case 0x00: dcb.ByteSize = 5; break;
19605: case 0x01: dcb.ByteSize = 6; break;
19606: case 0x02: dcb.ByteSize = 7; break;
19607: case 0x03: dcb.ByteSize = 8; break;
19608: }
19609: switch(p->prev_line_ctrl & 0x04) {
19610: case 0x00: dcb.StopBits = ONESTOPBIT; break;
19611: case 0x04: dcb.StopBits = (dcb.ByteSize == 5) ? ONE5STOPBITS : TWOSTOPBITS; break;
19612: }
19613: switch(p->prev_line_ctrl & 0x38) {
19614: case 0x08: dcb.Parity = ODDPARITY; break;
19615: case 0x18: dcb.Parity = EVENPARITY; break;
19616: case 0x28: dcb.Parity = MARKPARITY; break;
19617: case 0x38: dcb.Parity = SPACEPARITY; break;
19618: default: dcb.Parity = NOPARITY; break;
19619: }
19620: dcb.fBinary = TRUE;
19621: dcb.fParity = (dcb.Parity != NOPARITY);
19622: dcb.fOutxCtsFlow = dcb.fOutxDsrFlow = TRUE;
19623: dcb.fDtrControl = DTR_CONTROL_HANDSHAKE;
19624: dcb.fDsrSensitivity = FALSE;//TRUE;
19625: dcb.fTXContinueOnXoff = TRUE;
19626: dcb.fOutX = dcb.fInX = FALSE;
19627: dcb.fErrorChar = FALSE;
19628: dcb.fNull = FALSE;
19629: dcb.fRtsControl = RTS_CONTROL_HANDSHAKE;
19630: dcb.fAbortOnError = FALSE;
19631:
19632: SetCommState(hComm, &dcb);
1.1.1.25 root 19633: }
19634:
19635: // check again to apply all comm state changes
19636: Sleep(10);
19637: continue;
19638: }
19639:
19640: // set comm pins
19641: bool change_brk = false;
1.1.1.26 root 19642: // bool change_rts = false;
19643: // bool change_dtr = false;
1.1.1.25 root 19644:
19645: EnterCriticalSection(&q->csModemCtrl);
19646: if(p->prev_set_brk != p->set_brk) {
19647: p->prev_set_brk = p->set_brk;
19648: change_brk = true;
19649: }
1.1.1.26 root 19650: // if(p->prev_set_rts != p->set_rts) {
19651: // p->prev_set_rts = p->set_rts;
19652: // change_rts = true;
19653: // }
19654: // if(p->prev_set_dtr != p->set_dtr) {
19655: // p->prev_set_dtr = p->set_dtr;
19656: // change_dtr = true;
19657: // }
1.1.1.25 root 19658: LeaveCriticalSection(&q->csModemCtrl);
19659:
19660: if(change_brk) {
1.1.1.26 root 19661: static UINT32 clear_time = 0;
19662: if(p->prev_set_brk) {
19663: EscapeCommFunction(hComm, SETBREAK);
19664: clear_time = timeGetTime() + 200;
19665: } else {
19666: // keep break for at least 200msec
19667: UINT32 cur_time = timeGetTime();
19668: if(clear_time > cur_time) {
19669: Sleep(clear_time - cur_time);
19670: }
19671: EscapeCommFunction(hComm, CLRBREAK);
19672: }
1.1.1.25 root 19673: }
1.1.1.26 root 19674: // if(change_rts) {
19675: // if(p->prev_set_rts) {
19676: // EscapeCommFunction(hComm, SETRTS);
19677: // } else {
19678: // EscapeCommFunction(hComm, CLRRTS);
19679: // }
19680: // }
19681: // if(change_dtr) {
19682: // if(p->prev_set_dtr) {
19683: // EscapeCommFunction(hComm, SETDTR);
19684: // } else {
19685: // EscapeCommFunction(hComm, CLRDTR);
19686: // }
19687: // }
1.1.1.25 root 19688:
19689: // get comm pins
19690: DWORD dwModemStat = 0;
19691:
19692: if(GetCommModemStatus(hComm, &dwModemStat)) {
19693: EnterCriticalSection(&q->csModemStat);
19694: if(dwModemStat & MS_RLSD_ON) {
19695: p->modem_stat |= 0x80;
19696: } else {
19697: p->modem_stat &= ~0x80;
19698: }
19699: if(dwModemStat & MS_RING_ON) {
19700: p->modem_stat |= 0x40;
19701: } else {
19702: p->modem_stat &= ~0x40;
19703: }
1.1.1.26 root 19704: // if(dwModemStat & MS_DSR_ON) {
19705: // p->modem_stat |= 0x20;
19706: // } else {
19707: // p->modem_stat &= ~0x20;
19708: // }
19709: // if(dwModemStat & MS_CTS_ON) {
19710: // p->modem_stat |= 0x10;
19711: // } else {
19712: // p->modem_stat &= ~0x10;
19713: // }
1.1.1.25 root 19714: if((p->prev_modem_stat & 0x80) != (p->modem_stat & 0x80)) {
19715: p->modem_stat |= 0x08;
19716: }
19717: if((p->prev_modem_stat & 0x40) && !(p->modem_stat & 0x40)) {
19718: p->modem_stat |= 0x04;
19719: }
1.1.1.26 root 19720: // if((p->prev_modem_stat & 0x20) != (p->modem_stat & 0x20)) {
19721: // p->modem_stat |= 0x02;
19722: // }
19723: // if((p->prev_modem_stat & 0x10) != (p->modem_stat & 0x10)) {
19724: // p->modem_stat |= 0x01;
19725: // }
1.1.1.25 root 19726: LeaveCriticalSection(&q->csModemStat);
19727: }
19728:
19729: // send data
19730: DWORD dwSend = 0;
19731:
19732: EnterCriticalSection(&q->csSendData);
1.1.1.32 root 19733: while(p->send_buffer != NULL && !p->send_buffer->empty()) {
1.1.1.25 root 19734: bytBuffer[dwSend++] = p->send_buffer->read();
19735: }
19736: LeaveCriticalSection(&q->csSendData);
19737:
19738: if(dwSend != 0) {
19739: DWORD dwWritten = 0;
19740: WriteFile(hComm, bytBuffer, dwSend, &dwWritten, NULL);
19741: }
19742:
19743: // get line status and recv data
19744: DWORD dwLineStat = 0;
19745: COMSTAT comStat;
19746:
19747: if(ClearCommError(hComm, &dwLineStat, &comStat)) {
19748: EnterCriticalSection(&q->csLineStat);
19749: if(dwLineStat & CE_BREAK) {
19750: p->line_stat_err |= 0x10;
19751: }
19752: if(dwLineStat & CE_FRAME) {
19753: p->line_stat_err |= 0x08;
19754: }
19755: if(dwLineStat & CE_RXPARITY) {
19756: p->line_stat_err |= 0x04;
19757: }
19758: if(dwLineStat & CE_OVERRUN) {
19759: p->line_stat_err |= 0x02;
19760: }
19761: LeaveCriticalSection(&q->csLineStat);
19762:
19763: if(comStat.cbInQue != 0) {
19764: EnterCriticalSection(&q->csRecvData);
1.1.1.32 root 19765: DWORD dwRecv = 0;
19766: if(p->recv_buffer != NULL) {
19767: dwRecv = min(comStat.cbInQue, p->recv_buffer->remain());
19768: }
1.1.1.25 root 19769: LeaveCriticalSection(&q->csRecvData);
19770:
19771: if(dwRecv != 0) {
19772: DWORD dwRead = 0;
19773: if(ReadFile(hComm, bytBuffer, dwRecv, &dwRead, NULL) && dwRead != 0) {
19774: EnterCriticalSection(&q->csRecvData);
1.1.1.32 root 19775: if(p->recv_buffer != NULL) {
19776: for(int i = 0; i < dwRead; i++) {
19777: p->recv_buffer->write(bytBuffer[i]);
19778: }
1.1.1.25 root 19779: }
19780: LeaveCriticalSection(&q->csRecvData);
19781: }
19782: }
19783: }
19784: }
19785: Sleep(10);
19786: }
19787: CloseHandle(hComm);
19788: }
19789: return 0;
19790: }
19791:
1.1.1.8 root 19792: // cmos
19793:
19794: void cmos_init()
19795: {
19796: memset(cmos, 0, sizeof(cmos));
19797: cmos_addr = 0;
1.1 root 19798:
1.1.1.8 root 19799: // from DOSBox
19800: cmos_write(0x0a, 0x26);
19801: cmos_write(0x0b, 0x02);
19802: cmos_write(0x0d, 0x80);
1.1 root 19803: }
19804:
1.1.1.8 root 19805: void cmos_write(int addr, UINT8 val)
1.1 root 19806: {
1.1.1.8 root 19807: cmos[addr & 0x7f] = val;
19808: }
19809:
19810: #define CMOS_GET_TIME() { \
19811: UINT32 cur_sec = timeGetTime() / 1000 ; \
19812: if(prev_sec != cur_sec) { \
19813: GetLocalTime(&time); \
19814: prev_sec = cur_sec; \
19815: } \
1.1 root 19816: }
1.1.1.8 root 19817: #define CMOS_BCD(v) ((cmos[0x0b] & 4) ? (v) : to_bcd(v))
1.1 root 19818:
1.1.1.8 root 19819: UINT8 cmos_read(int addr)
1.1 root 19820: {
1.1.1.8 root 19821: static SYSTEMTIME time;
19822: static UINT32 prev_sec = 0;
1.1 root 19823:
1.1.1.8 root 19824: switch(addr & 0x7f) {
19825: case 0x00: CMOS_GET_TIME(); return(CMOS_BCD(time.wSecond));
19826: case 0x02: CMOS_GET_TIME(); return(CMOS_BCD(time.wMinute));
19827: case 0x04: CMOS_GET_TIME(); return(CMOS_BCD(time.wHour));
19828: case 0x06: CMOS_GET_TIME(); return(time.wDayOfWeek + 1);
19829: case 0x07: CMOS_GET_TIME(); return(CMOS_BCD(time.wDay));
19830: case 0x08: CMOS_GET_TIME(); return(CMOS_BCD(time.wMonth));
19831: case 0x09: CMOS_GET_TIME(); return(CMOS_BCD(time.wYear));
19832: // case 0x0a: return((cmos[0x0a] & 0x7f) | ((timeGetTime() % 1000) < 2 ? 0x80 : 0)); // 2msec
19833: case 0x0a: return((cmos[0x0a] & 0x7f) | ((timeGetTime() % 1000) < 20 ? 0x80 : 0)); // precision of timeGetTime() may not be 1msec
19834: case 0x15: return((MEMORY_END >> 10) & 0xff);
19835: case 0x16: return((MEMORY_END >> 18) & 0xff);
19836: case 0x17: return(((MAX_MEM - 0x100000) >> 10) & 0xff);
19837: case 0x18: return(((MAX_MEM - 0x100000) >> 18) & 0xff);
19838: case 0x30: return(((MAX_MEM - 0x100000) >> 10) & 0xff);
19839: case 0x31: return(((MAX_MEM - 0x100000) >> 18) & 0xff);
19840: case 0x32: CMOS_GET_TIME(); return(CMOS_BCD(time.wYear / 100));
1.1 root 19841: }
1.1.1.8 root 19842: return(cmos[addr & 0x7f]);
1.1 root 19843: }
19844:
1.1.1.7 root 19845: // kbd (a20)
19846:
19847: void kbd_init()
19848: {
1.1.1.8 root 19849: kbd_data = kbd_command = 0;
1.1.1.7 root 19850: kbd_status = 0x18;
19851: }
19852:
19853: UINT8 kbd_read_data()
19854: {
1.1.1.8 root 19855: kbd_status &= ~1;
1.1.1.7 root 19856: return(kbd_data);
19857: }
19858:
19859: void kbd_write_data(UINT8 val)
19860: {
19861: switch(kbd_command) {
19862: case 0xd1:
19863: i386_set_a20_line((val >> 1) & 1);
19864: break;
19865: }
19866: kbd_command = 0;
1.1.1.8 root 19867: kbd_status &= ~8;
1.1.1.7 root 19868: }
19869:
19870: UINT8 kbd_read_status()
19871: {
19872: return(kbd_status);
19873: }
19874:
19875: void kbd_write_command(UINT8 val)
19876: {
19877: switch(val) {
19878: case 0xd0:
19879: kbd_data = ((m_a20_mask >> 19) & 2) | 1;
1.1.1.8 root 19880: kbd_status |= 1;
1.1.1.7 root 19881: break;
19882: case 0xdd:
19883: i386_set_a20_line(0);
19884: break;
19885: case 0xdf:
19886: i386_set_a20_line(1);
19887: break;
1.1.1.26 root 19888: case 0xf0: case 0xf1: case 0xf2: case 0xf3: case 0xf4: case 0xf5: case 0xf6: case 0xf7:
19889: case 0xf8: case 0xf9: case 0xfa: case 0xfb: case 0xfc: case 0xfd: case 0xfe: case 0xff:
1.1.1.7 root 19890: if(!(val & 1)) {
1.1.1.8 root 19891: if((cmos[0x0f] & 0x7f) == 5) {
1.1.1.7 root 19892: // reset pic
19893: pic_init();
19894: pic[0].irr = pic[1].irr = 0x00;
19895: pic[0].imr = pic[1].imr = 0xff;
19896: }
19897: CPU_RESET_CALL(CPU_MODEL);
1.1.1.40 root 19898: UINT16 address = *(UINT16 *)(mem + 0x467);
19899: UINT16 selector = *(UINT16 *)(mem + 0x469);
19900: i386_jmp_far(selector, address);
1.1.1.7 root 19901: }
19902: i386_set_a20_line((val >> 1) & 1);
19903: break;
19904: }
19905: kbd_command = val;
1.1.1.8 root 19906: kbd_status |= 8;
1.1.1.7 root 19907: }
19908:
1.1.1.9 root 19909: // vga
19910:
19911: UINT8 vga_read_status()
19912: {
19913: // 60hz
19914: static const int period[3] = {16, 17, 17};
19915: static int index = 0;
19916: UINT32 time = timeGetTime() % period[index];
19917:
19918: index = (index + 1) % 3;
1.1.1.14 root 19919: return((time < 4 ? 0x08 : 0) | (time == 0 ? 0 : 0x01));
1.1.1.9 root 19920: }
19921:
1.1 root 19922: // i/o bus
19923:
1.1.1.29 root 19924: // this is ugly patch for SW1US.EXE, it sometimes mistakely read/write 01h-10h for serial I/O
19925: //#define SW1US_PATCH
19926:
1.1.1.25 root 19927: UINT8 read_io_byte(offs_t addr)
1.1.1.33 root 19928: #ifdef USE_DEBUGGER
1.1.1.25 root 19929: {
1.1.1.33 root 19930: if(now_debugging) {
19931: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
19932: if(in_break_point.table[i].status == 1) {
19933: if(addr == in_break_point.table[i].addr) {
19934: in_break_point.hit = i + 1;
19935: now_suspended = true;
19936: break;
19937: }
19938: }
19939: }
1.1.1.25 root 19940: }
1.1.1.33 root 19941: return(debugger_read_io_byte(addr));
1.1.1.25 root 19942: }
1.1.1.33 root 19943: UINT8 debugger_read_io_byte(offs_t addr)
1.1.1.25 root 19944: #endif
1.1 root 19945: {
1.1.1.33 root 19946: UINT8 val = 0xff;
19947:
1.1 root 19948: switch(addr) {
1.1.1.29 root 19949: #ifdef SW1US_PATCH
19950: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07: case 0x08:
19951: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f: case 0x10:
1.1.1.33 root 19952: val = sio_read(0, addr - 1);
19953: break;
1.1.1.29 root 19954: #else
1.1.1.25 root 19955: case 0x00: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07:
19956: case 0x08: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f:
1.1.1.33 root 19957: val = dma_read(0, addr);
19958: break;
1.1.1.29 root 19959: #endif
1.1.1.25 root 19960: case 0x20: case 0x21:
1.1.1.33 root 19961: val = pic_read(0, addr);
19962: break;
1.1.1.25 root 19963: case 0x40: case 0x41: case 0x42: case 0x43:
1.1.1.33 root 19964: val = pit_read(addr & 0x03);
19965: break;
1.1.1.7 root 19966: case 0x60:
1.1.1.33 root 19967: val = kbd_read_data();
19968: break;
1.1.1.9 root 19969: case 0x61:
1.1.1.33 root 19970: val = system_port;
19971: break;
1.1.1.7 root 19972: case 0x64:
1.1.1.33 root 19973: val = kbd_read_status();
19974: break;
1.1 root 19975: case 0x71:
1.1.1.33 root 19976: val = cmos_read(cmos_addr);
19977: break;
1.1.1.25 root 19978: case 0x81:
1.1.1.33 root 19979: val = dma_page_read(0, 2);
19980: break;
1.1.1.25 root 19981: case 0x82:
1.1.1.33 root 19982: val = dma_page_read(0, 3);
19983: break;
1.1.1.25 root 19984: case 0x83:
1.1.1.33 root 19985: val = dma_page_read(0, 1);
19986: break;
1.1.1.25 root 19987: case 0x87:
1.1.1.33 root 19988: val = dma_page_read(0, 0);
19989: break;
1.1.1.25 root 19990: case 0x89:
1.1.1.33 root 19991: val = dma_page_read(1, 2);
19992: break;
1.1.1.25 root 19993: case 0x8a:
1.1.1.33 root 19994: val = dma_page_read(1, 3);
19995: break;
1.1.1.25 root 19996: case 0x8b:
1.1.1.33 root 19997: val = dma_page_read(1, 1);
19998: break;
1.1.1.25 root 19999: case 0x8f:
1.1.1.33 root 20000: val = dma_page_read(1, 0);
20001: break;
1.1 root 20002: case 0x92:
1.1.1.33 root 20003: val = (m_a20_mask >> 19) & 2;
20004: break;
1.1.1.25 root 20005: case 0xa0: case 0xa1:
1.1.1.33 root 20006: val = pic_read(1, addr);
20007: break;
1.1.1.25 root 20008: case 0xc0: case 0xc2: case 0xc4: case 0xc6: case 0xc8: case 0xca: case 0xcc: case 0xce:
20009: case 0xd0: case 0xd2: case 0xd4: case 0xd6: case 0xd8: case 0xda: case 0xdc: case 0xde:
1.1.1.33 root 20010: val = dma_read(1, (addr - 0xc0) >> 1);
20011: break;
1.1.1.37 root 20012: case 0x278: case 0x279: case 0x27a:
20013: val = pio_read(1, addr);
20014: break;
1.1.1.29 root 20015: case 0x2e8: case 0x2e9: case 0x2ea: case 0x2eb: case 0x2ec: case 0x2ed: case 0x2ee: case 0x2ef:
1.1.1.33 root 20016: val = sio_read(3, addr);
20017: break;
1.1.1.25 root 20018: case 0x2f8: case 0x2f9: case 0x2fa: case 0x2fb: case 0x2fc: case 0x2fd: case 0x2fe: case 0x2ff:
1.1.1.33 root 20019: val = sio_read(1, addr);
20020: break;
1.1.1.25 root 20021: case 0x378: case 0x379: case 0x37a:
1.1.1.33 root 20022: val = pio_read(0, addr);
20023: break;
1.1.1.25 root 20024: case 0x3ba: case 0x3da:
1.1.1.33 root 20025: val = vga_read_status();
20026: break;
1.1.1.37 root 20027: case 0x3bc: case 0x3bd: case 0x3be:
20028: val = pio_read(2, addr);
20029: break;
1.1.1.29 root 20030: case 0x3e8: case 0x3e9: case 0x3ea: case 0x3eb: case 0x3ec: case 0x3ed: case 0x3ee: case 0x3ef:
1.1.1.33 root 20031: val = sio_read(2, addr);
20032: break;
1.1.1.25 root 20033: case 0x3f8: case 0x3f9: case 0x3fa: case 0x3fb: case 0x3fc: case 0x3fd: case 0x3fe: case 0x3ff:
1.1.1.33 root 20034: val = sio_read(0, addr);
20035: break;
1.1 root 20036: default:
1.1.1.33 root 20037: // fatalerror("unknown inb %4x\n", addr);
1.1 root 20038: break;
20039: }
1.1.1.33 root 20040: #ifdef ENABLE_DEBUG_IOPORT
20041: if(fp_debug_log != NULL) {
20042: fprintf(fp_debug_log, "inb %04X, %02X\n", addr, val);
20043: }
20044: #endif
20045: return(val);
1.1 root 20046: }
20047:
20048: UINT16 read_io_word(offs_t addr)
20049: {
20050: return(read_io_byte(addr) | (read_io_byte(addr + 1) << 8));
20051: }
20052:
1.1.1.33 root 20053: #ifdef USE_DEBUGGER
20054: UINT16 debugger_read_io_word(offs_t addr)
20055: {
20056: return(debugger_read_io_byte(addr) | (debugger_read_io_byte(addr + 1) << 8));
20057: }
20058: #endif
20059:
1.1 root 20060: UINT32 read_io_dword(offs_t addr)
20061: {
20062: return(read_io_byte(addr) | (read_io_byte(addr + 1) << 8) | (read_io_byte(addr + 2) << 16) | (read_io_byte(addr + 3) << 24));
20063: }
20064:
1.1.1.33 root 20065: #ifdef USE_DEBUGGER
20066: UINT32 debugger_read_io_dword(offs_t addr)
20067: {
20068: 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));
20069: }
20070: #endif
20071:
1.1 root 20072: void write_io_byte(offs_t addr, UINT8 val)
1.1.1.33 root 20073: #ifdef USE_DEBUGGER
20074: {
20075: if(now_debugging) {
20076: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
20077: if(out_break_point.table[i].status == 1) {
20078: if(addr == out_break_point.table[i].addr) {
20079: out_break_point.hit = i + 1;
20080: now_suspended = true;
20081: break;
20082: }
20083: }
20084: }
20085: }
20086: debugger_write_io_byte(addr, val);
20087: }
20088: void debugger_write_io_byte(offs_t addr, UINT8 val)
20089: #endif
1.1 root 20090: {
1.1.1.25 root 20091: #ifdef ENABLE_DEBUG_IOPORT
1.1.1.33 root 20092: if(fp_debug_log != NULL) {
1.1.1.43 root 20093: #ifdef USE_SERVICE_THREAD
20094: if(addr != 0xf7)
20095: #endif
1.1.1.33 root 20096: fprintf(fp_debug_log, "outb %04X, %02X\n", addr, val);
1.1.1.25 root 20097: }
20098: #endif
1.1 root 20099: switch(addr) {
1.1.1.29 root 20100: #ifdef SW1US_PATCH
20101: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07: case 0x08:
20102: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f: case 0x10:
20103: sio_write(0, addr - 1, val);
20104: break;
20105: #else
1.1.1.25 root 20106: case 0x00: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07:
20107: case 0x08: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f:
20108: dma_write(0, addr, val);
20109: break;
1.1.1.29 root 20110: #endif
1.1.1.25 root 20111: case 0x20: case 0x21:
1.1 root 20112: pic_write(0, addr, val);
20113: break;
1.1.1.25 root 20114: case 0x40: case 0x41: case 0x42: case 0x43:
1.1 root 20115: pit_write(addr & 0x03, val);
20116: break;
1.1.1.7 root 20117: case 0x60:
20118: kbd_write_data(val);
20119: break;
1.1.1.9 root 20120: case 0x61:
20121: if((system_port & 3) != 3 && (val & 3) == 3) {
20122: // beep on
20123: // MessageBeep(-1);
20124: } else if((system_port & 3) == 3 && (val & 3) != 3) {
20125: // beep off
20126: }
20127: system_port = val;
20128: break;
1.1 root 20129: case 0x64:
1.1.1.7 root 20130: kbd_write_command(val);
1.1 root 20131: break;
20132: case 0x70:
20133: cmos_addr = val;
20134: break;
20135: case 0x71:
1.1.1.8 root 20136: cmos_write(cmos_addr, val);
1.1 root 20137: break;
1.1.1.25 root 20138: case 0x81:
20139: dma_page_write(0, 2, val);
20140: case 0x82:
20141: dma_page_write(0, 3, val);
20142: case 0x83:
20143: dma_page_write(0, 1, val);
20144: case 0x87:
20145: dma_page_write(0, 0, val);
20146: case 0x89:
20147: dma_page_write(1, 2, val);
20148: case 0x8a:
20149: dma_page_write(1, 3, val);
20150: case 0x8b:
20151: dma_page_write(1, 1, val);
20152: case 0x8f:
20153: dma_page_write(1, 0, val);
1.1 root 20154: case 0x92:
1.1.1.7 root 20155: i386_set_a20_line((val >> 1) & 1);
1.1 root 20156: break;
1.1.1.25 root 20157: case 0xa0: case 0xa1:
1.1 root 20158: pic_write(1, addr, val);
20159: break;
1.1.1.25 root 20160: case 0xc0: case 0xc2: case 0xc4: case 0xc6: case 0xc8: case 0xca: case 0xcc: case 0xce:
20161: case 0xd0: case 0xd2: case 0xd4: case 0xd6: case 0xd8: case 0xda: case 0xdc: case 0xde:
1.1.1.26 root 20162: dma_write(1, (addr - 0xc0) >> 1, val);
1.1.1.25 root 20163: break;
1.1.1.35 root 20164: #ifdef USE_SERVICE_THREAD
20165: case 0xf7:
20166: // dummy i/o for BIOS/DOS service
1.1.1.36 root 20167: if(in_service && cursor_moved) {
20168: // update cursor position before service is done
20169: pcbios_update_cursor_position();
20170: cursor_moved = false;
20171: }
1.1.1.35 root 20172: finish_service_loop();
20173: break;
20174: #endif
1.1.1.37 root 20175: case 0x278: case 0x279: case 0x27a:
20176: pio_write(1, addr, val);
20177: break;
1.1.1.29 root 20178: case 0x2e8: case 0x2e9: case 0x2ea: case 0x2eb: case 0x2ec: case 0x2ed: case 0x2ee: case 0x2ef:
20179: sio_write(3, addr, val);
20180: break;
1.1.1.25 root 20181: case 0x2f8: case 0x2f9: case 0x2fa: case 0x2fb: case 0x2fc: case 0x2fd: case 0x2fe: case 0x2ff:
20182: sio_write(1, addr, val);
20183: break;
20184: case 0x378: case 0x379: case 0x37a:
20185: pio_write(0, addr, val);
20186: break;
1.1.1.37 root 20187: case 0x3bc: case 0x3bd: case 0x3be:
20188: pio_write(2, addr, val);
20189: break;
1.1.1.29 root 20190: case 0x3e8: case 0x3e9: case 0x3ea: case 0x3eb: case 0x3ec: case 0x3ed: case 0x3ee: case 0x3ef:
20191: sio_write(2, addr, val);
20192: break;
1.1.1.25 root 20193: case 0x3f8: case 0x3f9: case 0x3fa: case 0x3fb: case 0x3fc: case 0x3fd: case 0x3fe: case 0x3ff:
20194: sio_write(0, addr, val);
20195: break;
1.1 root 20196: default:
1.1.1.33 root 20197: // fatalerror("unknown outb %4x,%2x\n", addr, val);
1.1 root 20198: break;
20199: }
20200: }
20201:
20202: void write_io_word(offs_t addr, UINT16 val)
20203: {
20204: write_io_byte(addr + 0, (val >> 0) & 0xff);
20205: write_io_byte(addr + 1, (val >> 8) & 0xff);
20206: }
20207:
1.1.1.33 root 20208: #ifdef USE_DEBUGGER
20209: void debugger_write_io_word(offs_t addr, UINT16 val)
20210: {
20211: debugger_write_io_byte(addr + 0, (val >> 0) & 0xff);
20212: debugger_write_io_byte(addr + 1, (val >> 8) & 0xff);
20213: }
20214: #endif
20215:
1.1 root 20216: void write_io_dword(offs_t addr, UINT32 val)
20217: {
20218: write_io_byte(addr + 0, (val >> 0) & 0xff);
20219: write_io_byte(addr + 1, (val >> 8) & 0xff);
20220: write_io_byte(addr + 2, (val >> 16) & 0xff);
20221: write_io_byte(addr + 3, (val >> 24) & 0xff);
20222: }
1.1.1.33 root 20223:
20224: #ifdef USE_DEBUGGER
20225: void debugger_write_io_dword(offs_t addr, UINT32 val)
20226: {
20227: debugger_write_io_byte(addr + 0, (val >> 0) & 0xff);
20228: debugger_write_io_byte(addr + 1, (val >> 8) & 0xff);
20229: debugger_write_io_byte(addr + 2, (val >> 16) & 0xff);
20230: debugger_write_io_byte(addr + 3, (val >> 24) & 0xff);
20231: }
20232: #endif
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