|
|
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:
138: BOOL is_vista_or_later;
139:
1.1.1.35 root 140: #define UPDATE_OPS 16384
141: #define REQUEST_HARDWRE_UPDATE() { \
142: update_ops = UPDATE_OPS - 1; \
143: }
144: UINT32 update_ops = 0;
145: UINT32 idle_ops = 0;
146:
1.1.1.14 root 147: inline void maybe_idle()
148: {
149: // if it appears to be in a tight loop, assume waiting for input
150: // allow for one updated video character, for a spinning cursor
1.1.1.35 root 151: if(!stay_busy && idle_ops < 1024 && vram_length_char <= 1 && vram_length_attr <= 1) {
1.1.1.14 root 152: Sleep(10);
1.1.1.35 root 153: REQUEST_HARDWRE_UPDATE();
1.1.1.14 root 154: }
1.1.1.35 root 155: idle_ops = 0;
1.1.1.14 root 156: }
1.1.1.12 root 157:
1.1 root 158: /* ----------------------------------------------------------------------------
1.1.1.3 root 159: MAME i86/i386
1.1 root 160: ---------------------------------------------------------------------------- */
161:
1.1.1.10 root 162: #ifndef __BIG_ENDIAN__
1.1 root 163: #define LSB_FIRST
1.1.1.10 root 164: #endif
1.1 root 165:
166: #ifndef INLINE
167: #define INLINE inline
168: #endif
169: #define U64(v) UINT64(v)
170:
171: //#define logerror(...) fprintf(stderr, __VA_ARGS__)
172: #define logerror(...)
173: //#define popmessage(...) fprintf(stderr, __VA_ARGS__)
174: #define popmessage(...)
175:
176: /*****************************************************************************/
1.1.1.10 root 177: /* src/emu/devcpu.h */
178:
179: // CPU interface functions
180: #define CPU_INIT_NAME(name) cpu_init_##name
181: #define CPU_INIT(name) void CPU_INIT_NAME(name)()
182: #define CPU_INIT_CALL(name) CPU_INIT_NAME(name)()
183:
184: #define CPU_RESET_NAME(name) cpu_reset_##name
185: #define CPU_RESET(name) void CPU_RESET_NAME(name)()
186: #define CPU_RESET_CALL(name) CPU_RESET_NAME(name)()
187:
188: #define CPU_EXECUTE_NAME(name) cpu_execute_##name
189: #define CPU_EXECUTE(name) void CPU_EXECUTE_NAME(name)()
190: #define CPU_EXECUTE_CALL(name) CPU_EXECUTE_NAME(name)()
191:
192: #define CPU_TRANSLATE_NAME(name) cpu_translate_##name
193: #define CPU_TRANSLATE(name) int CPU_TRANSLATE_NAME(name)(address_spacenum space, int intention, offs_t *address)
194: #define CPU_TRANSLATE_CALL(name) CPU_TRANSLATE_NAME(name)(space, intention, address)
195:
196: #define CPU_DISASSEMBLE_NAME(name) cpu_disassemble_##name
197: #define CPU_DISASSEMBLE(name) int CPU_DISASSEMBLE_NAME(name)(char *buffer, offs_t eip, const UINT8 *oprom)
198: #define CPU_DISASSEMBLE_CALL(name) CPU_DISASSEMBLE_NAME(name)(buffer, eip, oprom)
199:
1.1.1.14 root 200: #define CPU_MODEL_STR(name) #name
201: #define CPU_MODEL_NAME(name) CPU_MODEL_STR(name)
202:
1.1.1.10 root 203: /*****************************************************************************/
204: /* src/emu/didisasm.h */
205:
206: // Disassembler constants
207: const UINT32 DASMFLAG_SUPPORTED = 0x80000000; // are disassembly flags supported?
208: const UINT32 DASMFLAG_STEP_OUT = 0x40000000; // this instruction should be the end of a step out sequence
209: const UINT32 DASMFLAG_STEP_OVER = 0x20000000; // this instruction should be stepped over by setting a breakpoint afterwards
210: const UINT32 DASMFLAG_OVERINSTMASK = 0x18000000; // number of extra instructions to skip when stepping over
211: const UINT32 DASMFLAG_OVERINSTSHIFT = 27; // bits to shift after masking to get the value
212: const UINT32 DASMFLAG_LENGTHMASK = 0x0000ffff; // the low 16-bits contain the actual length
213:
214: /*****************************************************************************/
1.1 root 215: /* src/emu/diexec.h */
216:
217: // I/O line states
218: enum line_state
219: {
220: CLEAR_LINE = 0, // clear (a fired or held) line
221: ASSERT_LINE, // assert an interrupt immediately
222: HOLD_LINE, // hold interrupt line until acknowledged
223: PULSE_LINE // pulse interrupt line instantaneously (only for NMI, RESET)
224: };
225:
226: // I/O line definitions
227: enum
228: {
229: INPUT_LINE_IRQ = 0,
230: INPUT_LINE_NMI
231: };
232:
233: /*****************************************************************************/
1.1.1.10 root 234: /* src/emu/dimemory.h */
1.1 root 235:
1.1.1.10 root 236: // Translation intentions
237: const int TRANSLATE_TYPE_MASK = 0x03; // read write or fetch
238: const int TRANSLATE_USER_MASK = 0x04; // user mode or fully privileged
239: const int TRANSLATE_DEBUG_MASK = 0x08; // debug mode (no side effects)
240:
241: const int TRANSLATE_READ = 0; // translate for read
242: const int TRANSLATE_WRITE = 1; // translate for write
243: const int TRANSLATE_FETCH = 2; // translate for instruction fetch
244: const int TRANSLATE_READ_USER = (TRANSLATE_READ | TRANSLATE_USER_MASK);
245: const int TRANSLATE_WRITE_USER = (TRANSLATE_WRITE | TRANSLATE_USER_MASK);
246: const int TRANSLATE_FETCH_USER = (TRANSLATE_FETCH | TRANSLATE_USER_MASK);
247: const int TRANSLATE_READ_DEBUG = (TRANSLATE_READ | TRANSLATE_DEBUG_MASK);
248: const int TRANSLATE_WRITE_DEBUG = (TRANSLATE_WRITE | TRANSLATE_DEBUG_MASK);
249: const int TRANSLATE_FETCH_DEBUG = (TRANSLATE_FETCH | TRANSLATE_DEBUG_MASK);
1.1 root 250:
1.1.1.10 root 251: /*****************************************************************************/
252: /* src/emu/emucore.h */
1.1 root 253:
1.1.1.10 root 254: // constants for expression endianness
255: enum endianness_t
256: {
257: ENDIANNESS_LITTLE,
258: ENDIANNESS_BIG
259: };
1.1 root 260:
1.1.1.10 root 261: // declare native endianness to be one or the other
262: #ifdef LSB_FIRST
263: const endianness_t ENDIANNESS_NATIVE = ENDIANNESS_LITTLE;
264: #else
265: const endianness_t ENDIANNESS_NATIVE = ENDIANNESS_BIG;
266: #endif
267:
268: // endian-based value: first value is if 'endian' is little-endian, second is if 'endian' is big-endian
269: #define ENDIAN_VALUE_LE_BE(endian,leval,beval) (((endian) == ENDIANNESS_LITTLE) ? (leval) : (beval))
270:
271: // endian-based value: first value is if native endianness is little-endian, second is if native is big-endian
272: #define NATIVE_ENDIAN_VALUE_LE_BE(leval,beval) ENDIAN_VALUE_LE_BE(ENDIANNESS_NATIVE, leval, beval)
273:
274: // endian-based value: first value is if 'endian' matches native, second is if 'endian' doesn't match native
275: #define ENDIAN_VALUE_NE_NNE(endian,leval,beval) (((endian) == ENDIANNESS_NATIVE) ? (neval) : (nneval))
1.1 root 276:
277: /*****************************************************************************/
278: /* src/emu/memory.h */
279:
1.1.1.10 root 280: // address spaces
281: enum address_spacenum
282: {
283: AS_0, // first address space
284: AS_1, // second address space
285: AS_2, // third address space
286: AS_3, // fourth address space
287: ADDRESS_SPACES, // maximum number of address spaces
288:
289: // alternate address space names for common use
290: AS_PROGRAM = AS_0, // program address space
291: AS_DATA = AS_1, // data address space
292: AS_IO = AS_2 // I/O address space
293: };
294:
1.1 root 295: // offsets and addresses are 32-bit (for now...)
1.1.1.30 root 296: //typedef UINT32 offs_t;
1.1 root 297:
298: // read accessors
299: UINT8 read_byte(offs_t byteaddress)
1.1.1.33 root 300: #ifdef USE_DEBUGGER
301: {
302: if(now_debugging) {
303: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
304: if(rd_break_point.table[i].status == 1) {
305: if(byteaddress == rd_break_point.table[i].addr) {
306: rd_break_point.hit = i + 1;
307: now_suspended = true;
308: break;
309: }
310: }
311: }
312: }
313: return(debugger_read_byte(byteaddress));
314: }
315: UINT8 debugger_read_byte(offs_t byteaddress)
316: #endif
1.1 root 317: {
1.1.1.4 root 318: #if defined(HAS_I386)
1.1 root 319: if(byteaddress < MAX_MEM) {
320: return mem[byteaddress];
1.1.1.3 root 321: // } else if((byteaddress & 0xfffffff0) == 0xfffffff0) {
322: // return read_byte(byteaddress & 0xfffff);
1.1 root 323: }
324: return 0;
1.1.1.4 root 325: #else
326: return mem[byteaddress];
327: #endif
1.1 root 328: }
329:
330: UINT16 read_word(offs_t byteaddress)
1.1.1.33 root 331: #ifdef USE_DEBUGGER
332: {
333: if(now_debugging) {
334: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
335: if(rd_break_point.table[i].status == 1) {
336: if(byteaddress >= rd_break_point.table[i].addr && byteaddress < rd_break_point.table[i].addr + 2) {
337: rd_break_point.hit = i + 1;
338: now_suspended = true;
339: break;
340: }
341: }
342: }
343: }
344: return(debugger_read_word(byteaddress));
345: }
346: UINT16 debugger_read_word(offs_t byteaddress)
347: #endif
1.1 root 348: {
1.1.1.14 root 349: if(byteaddress == 0x41c) {
350: // pointer to first free slot in keyboard buffer
351: // XXX: the buffer itself doesn't actually exist in DOS memory
1.1.1.35 root 352: if(key_buf_char != NULL && key_buf_scan != NULL) {
353: #ifdef USE_SERVICE_THREAD
354: EnterCriticalSection(&key_buf_crit_sect);
355: #endif
1.1.1.41 root 356: int count = min(key_buf_char->count(), 15);
357: // write to top of key buffer
358: for(int i = 0; i < count; i++) {
359: mem[0x41e + 2 * i + 0] = key_buf_char->read_not_remove(i);
360: mem[0x41e + 2 * i + 1] = key_buf_scan->read_not_remove(i);
361: }
1.1.1.35 root 362: #ifdef USE_SERVICE_THREAD
363: LeaveCriticalSection(&key_buf_crit_sect);
364: #endif
365: if(count == 0) {
1.1.1.32 root 366: maybe_idle();
367: }
1.1.1.41 root 368: return (UINT16)(0x1e + 2 * count);
1.1.1.14 root 369: }
1.1.1.41 root 370: return 0x1e;
1.1.1.14 root 371: }
1.1.1.4 root 372: #if defined(HAS_I386)
1.1 root 373: if(byteaddress < MAX_MEM - 1) {
374: return *(UINT16 *)(mem + byteaddress);
1.1.1.3 root 375: // } else if((byteaddress & 0xfffffff0) == 0xfffffff0) {
376: // return read_word(byteaddress & 0xfffff);
1.1 root 377: }
378: return 0;
1.1.1.4 root 379: #else
380: return *(UINT16 *)(mem + byteaddress);
381: #endif
1.1 root 382: }
383:
384: UINT32 read_dword(offs_t byteaddress)
1.1.1.33 root 385: #ifdef USE_DEBUGGER
386: {
387: if(now_debugging) {
388: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
389: if(rd_break_point.table[i].status == 1) {
390: if(byteaddress >= rd_break_point.table[i].addr && byteaddress < rd_break_point.table[i].addr + 4) {
391: rd_break_point.hit = i + 1;
392: now_suspended = true;
393: break;
394: }
395: }
396: }
397: }
398: return(debugger_read_dword(byteaddress));
399: }
400: UINT32 debugger_read_dword(offs_t byteaddress)
401: #endif
1.1 root 402: {
1.1.1.4 root 403: #if defined(HAS_I386)
1.1 root 404: if(byteaddress < MAX_MEM - 3) {
405: return *(UINT32 *)(mem + byteaddress);
1.1.1.3 root 406: // } else if((byteaddress & 0xfffffff0) == 0xfffffff0) {
407: // return read_dword(byteaddress & 0xfffff);
1.1 root 408: }
409: return 0;
1.1.1.4 root 410: #else
411: return *(UINT32 *)(mem + byteaddress);
412: #endif
1.1 root 413: }
414:
415: // write accessors
1.1.1.35 root 416: #ifdef USE_VRAM_THREAD
1.1.1.14 root 417: void vram_flush_char()
418: {
419: if(vram_length_char != 0) {
420: DWORD num;
1.1.1.23 root 421: WriteConsoleOutputCharacter(GetStdHandle(STD_OUTPUT_HANDLE), scr_char, vram_length_char, vram_coord_char, &num);
1.1.1.14 root 422: vram_length_char = vram_last_length_char = 0;
423: }
424: }
425:
426: void vram_flush_attr()
427: {
428: if(vram_length_attr != 0) {
429: DWORD num;
1.1.1.23 root 430: WriteConsoleOutputAttribute(GetStdHandle(STD_OUTPUT_HANDLE), scr_attr, vram_length_attr, vram_coord_attr, &num);
1.1.1.14 root 431: vram_length_attr = vram_last_length_attr = 0;
432: }
433: }
434:
435: void vram_flush()
436: {
437: if(vram_length_char != 0 || vram_length_attr != 0) {
438: EnterCriticalSection(&vram_crit_sect);
439: vram_flush_char();
440: vram_flush_attr();
441: LeaveCriticalSection(&vram_crit_sect);
442: }
443: }
444: #endif
445:
446: void write_text_vram_char(offs_t offset, UINT8 data)
1.1.1.8 root 447: {
1.1.1.35 root 448: #ifdef USE_VRAM_THREAD
1.1.1.14 root 449: static offs_t first_offset_char, last_offset_char;
450:
451: if(vram_length_char != 0) {
452: if(offset <= last_offset_char && offset >= first_offset_char) {
453: scr_char[(offset - first_offset_char) >> 1] = data;
454: return;
455: }
456: if(offset != last_offset_char + 2) {
457: vram_flush_char();
458: }
459: }
460: if(vram_length_char == 0) {
461: first_offset_char = offset;
462: vram_coord_char.X = (offset >> 1) % scr_width;
463: vram_coord_char.Y = (offset >> 1) / scr_width + scr_top;
464: }
465: scr_char[vram_length_char++] = data;
466: last_offset_char = offset;
467: #else
1.1.1.8 root 468: COORD co;
469: DWORD num;
470:
1.1.1.14 root 471: co.X = (offset >> 1) % scr_width;
472: co.Y = (offset >> 1) / scr_width;
473: scr_char[0] = data;
1.1.1.23 root 474: WriteConsoleOutputCharacter(GetStdHandle(STD_OUTPUT_HANDLE), scr_char, 1, co, &num);
1.1.1.14 root 475: #endif
476: }
477:
478: void write_text_vram_attr(offs_t offset, UINT8 data)
479: {
1.1.1.35 root 480: #ifdef USE_VRAM_THREAD
1.1.1.14 root 481: static offs_t first_offset_attr, last_offset_attr;
482:
483: if(vram_length_attr != 0) {
484: if(offset <= last_offset_attr && offset >= first_offset_attr) {
485: scr_attr[(offset - first_offset_attr) >> 1] = data;
486: return;
487: }
488: if(offset != last_offset_attr + 2) {
489: vram_flush_attr();
490: }
491: }
492: if(vram_length_attr == 0) {
493: first_offset_attr = offset;
494: vram_coord_attr.X = (offset >> 1) % scr_width;
495: vram_coord_attr.Y = (offset >> 1) / scr_width + scr_top;
496: }
497: scr_attr[vram_length_attr++] = data;
498: last_offset_attr = offset;
499: #else
500: COORD co;
501: DWORD num;
1.1.1.8 root 502:
1.1.1.14 root 503: co.X = (offset >> 1) % scr_width;
504: co.Y = (offset >> 1) / scr_width;
505: scr_attr[0] = data;
1.1.1.23 root 506: WriteConsoleOutputAttribute(GetStdHandle(STD_OUTPUT_HANDLE), scr_attr, 1, co, &num);
1.1.1.14 root 507: #endif
508: }
509:
510: void write_text_vram_byte(offs_t offset, UINT8 data)
511: {
1.1.1.35 root 512: #ifdef USE_VRAM_THREAD
1.1.1.14 root 513: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 514: #endif
1.1.1.8 root 515: if(offset & 1) {
1.1.1.14 root 516: write_text_vram_attr(offset, data);
1.1.1.8 root 517: } else {
1.1.1.14 root 518: write_text_vram_char(offset, data);
1.1.1.8 root 519: }
1.1.1.35 root 520: #ifdef USE_VRAM_THREAD
1.1.1.14 root 521: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 522: #endif
1.1.1.8 root 523: }
524:
525: void write_text_vram_word(offs_t offset, UINT16 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 ) & 0xff);
532: write_text_vram_char(offset + 1, (data >> 8) & 0xff);
1.1.1.8 root 533: } else {
1.1.1.14 root 534: write_text_vram_char(offset , (data ) & 0xff);
535: write_text_vram_attr(offset + 1, (data >> 8) & 0xff);
1.1.1.8 root 536: }
1.1.1.35 root 537: #ifdef USE_VRAM_THREAD
1.1.1.14 root 538: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 539: #endif
1.1.1.8 root 540: }
541:
542: void write_text_vram_dword(offs_t offset, UINT32 data)
543: {
1.1.1.35 root 544: #ifdef USE_VRAM_THREAD
1.1.1.14 root 545: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 546: #endif
1.1.1.8 root 547: if(offset & 1) {
1.1.1.14 root 548: write_text_vram_attr(offset , (data ) & 0xff);
549: write_text_vram_char(offset + 1, (data >> 8) & 0xff);
550: write_text_vram_attr(offset + 2, (data >> 16) & 0xff);
551: write_text_vram_char(offset + 3, (data >> 24) & 0xff);
552: } else {
553: write_text_vram_char(offset , (data ) & 0xff);
554: write_text_vram_attr(offset + 1, (data >> 8) & 0xff);
555: write_text_vram_char(offset + 2, (data >> 16) & 0xff);
556: write_text_vram_attr(offset + 3, (data >> 24) & 0xff);
1.1.1.8 root 557: }
1.1.1.35 root 558: #ifdef USE_VRAM_THREAD
1.1.1.14 root 559: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 560: #endif
1.1.1.8 root 561: }
562:
1.1 root 563: void write_byte(offs_t byteaddress, UINT8 data)
1.1.1.33 root 564: #ifdef USE_DEBUGGER
565: {
566: if(now_debugging) {
567: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
568: if(wr_break_point.table[i].status == 1) {
569: if(byteaddress == wr_break_point.table[i].addr) {
570: wr_break_point.hit = i + 1;
571: now_suspended = true;
572: break;
573: }
574: }
575: }
576: }
577: debugger_write_byte(byteaddress, data);
578: }
579: void debugger_write_byte(offs_t byteaddress, UINT8 data)
580: #endif
1.1 root 581: {
1.1.1.8 root 582: if(byteaddress < MEMORY_END) {
1.1.1.3 root 583: mem[byteaddress] = data;
1.1.1.8 root 584: } else if(byteaddress >= text_vram_top_address && byteaddress < text_vram_end_address) {
1.1.1.14 root 585: if(!restore_console_on_exit) {
586: change_console_size(scr_width, scr_height);
1.1.1.12 root 587: }
1.1.1.8 root 588: write_text_vram_byte(byteaddress - text_vram_top_address, data);
589: mem[byteaddress] = data;
590: } else if(byteaddress >= shadow_buffer_top_address && byteaddress < shadow_buffer_end_address) {
591: if(int_10h_feh_called && !int_10h_ffh_called) {
592: write_text_vram_byte(byteaddress - shadow_buffer_top_address, data);
1.1 root 593: }
594: mem[byteaddress] = data;
1.1.1.4 root 595: #if defined(HAS_I386)
1.1.1.3 root 596: } else if(byteaddress < MAX_MEM) {
1.1.1.4 root 597: #else
598: } else {
599: #endif
1.1.1.3 root 600: mem[byteaddress] = data;
1.1 root 601: }
602: }
603:
604: void write_word(offs_t byteaddress, UINT16 data)
1.1.1.33 root 605: #ifdef USE_DEBUGGER
606: {
607: if(now_debugging) {
608: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
609: if(wr_break_point.table[i].status == 1) {
610: if(byteaddress >= wr_break_point.table[i].addr && byteaddress < wr_break_point.table[i].addr + 2) {
611: wr_break_point.hit = i + 1;
612: now_suspended = true;
613: break;
614: }
615: }
616: }
617: }
618: debugger_write_word(byteaddress, data);
619: }
620: void debugger_write_word(offs_t byteaddress, UINT16 data)
621: #endif
1.1 root 622: {
1.1.1.8 root 623: if(byteaddress < MEMORY_END) {
1.1.1.14 root 624: if(byteaddress == 0x450 + mem[0x462] * 2) {
625: COORD co;
626: co.X = data & 0xff;
627: co.Y = (data >> 8) + scr_top;
1.1.1.23 root 628: SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), co);
1.1.1.14 root 629: }
1.1.1.3 root 630: *(UINT16 *)(mem + byteaddress) = data;
1.1.1.8 root 631: } else if(byteaddress >= text_vram_top_address && byteaddress < text_vram_end_address) {
1.1.1.14 root 632: if(!restore_console_on_exit) {
633: change_console_size(scr_width, scr_height);
1.1.1.12 root 634: }
1.1.1.8 root 635: write_text_vram_word(byteaddress - text_vram_top_address, data);
636: *(UINT16 *)(mem + byteaddress) = data;
637: } else if(byteaddress >= shadow_buffer_top_address && byteaddress < shadow_buffer_end_address) {
638: if(int_10h_feh_called && !int_10h_ffh_called) {
639: write_text_vram_word(byteaddress - shadow_buffer_top_address, data);
1.1 root 640: }
641: *(UINT16 *)(mem + byteaddress) = data;
1.1.1.4 root 642: #if defined(HAS_I386)
1.1.1.3 root 643: } else if(byteaddress < MAX_MEM - 1) {
1.1.1.4 root 644: #else
645: } else {
646: #endif
1.1.1.3 root 647: *(UINT16 *)(mem + byteaddress) = data;
1.1 root 648: }
649: }
650:
651: void write_dword(offs_t byteaddress, UINT32 data)
1.1.1.33 root 652: #ifdef USE_DEBUGGER
653: {
654: if(now_debugging) {
655: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
656: if(wr_break_point.table[i].status == 1) {
657: if(byteaddress >= wr_break_point.table[i].addr && byteaddress < wr_break_point.table[i].addr + 4) {
658: wr_break_point.hit = i + 1;
659: now_suspended = true;
660: break;
661: }
662: }
663: }
664: }
665: debugger_write_dword(byteaddress, data);
666: }
667: void debugger_write_dword(offs_t byteaddress, UINT32 data)
668: #endif
1.1 root 669: {
1.1.1.8 root 670: if(byteaddress < MEMORY_END) {
1.1.1.3 root 671: *(UINT32 *)(mem + byteaddress) = data;
1.1.1.8 root 672: } else if(byteaddress >= text_vram_top_address && byteaddress < text_vram_end_address) {
1.1.1.14 root 673: if(!restore_console_on_exit) {
674: change_console_size(scr_width, scr_height);
1.1.1.12 root 675: }
1.1.1.8 root 676: write_text_vram_dword(byteaddress - text_vram_top_address, data);
677: *(UINT32 *)(mem + byteaddress) = data;
678: } else if(byteaddress >= shadow_buffer_top_address && byteaddress < shadow_buffer_end_address) {
679: if(int_10h_feh_called && !int_10h_ffh_called) {
680: write_text_vram_dword(byteaddress - shadow_buffer_top_address, data);
1.1 root 681: }
682: *(UINT32 *)(mem + byteaddress) = data;
1.1.1.4 root 683: #if defined(HAS_I386)
1.1.1.3 root 684: } else if(byteaddress < MAX_MEM - 3) {
1.1.1.4 root 685: #else
686: } else {
687: #endif
1.1.1.3 root 688: *(UINT32 *)(mem + byteaddress) = data;
1.1 root 689: }
690: }
691:
692: #define read_decrypted_byte read_byte
693: #define read_decrypted_word read_word
694: #define read_decrypted_dword read_dword
695:
1.1.1.3 root 696: #define read_raw_byte read_byte
697: #define write_raw_byte write_byte
698:
699: #define read_word_unaligned read_word
700: #define write_word_unaligned write_word
701:
702: #define read_io_word_unaligned read_io_word
703: #define write_io_word_unaligned write_io_word
704:
1.1 root 705: UINT8 read_io_byte(offs_t byteaddress);
706: UINT16 read_io_word(offs_t byteaddress);
707: UINT32 read_io_dword(offs_t byteaddress);
708:
709: void write_io_byte(offs_t byteaddress, UINT8 data);
710: void write_io_word(offs_t byteaddress, UINT16 data);
711: void write_io_dword(offs_t byteaddress, UINT32 data);
712:
713: /*****************************************************************************/
714: /* src/osd/osdcomm.h */
715:
716: /* Highly useful macro for compile-time knowledge of an array size */
717: #define ARRAY_LENGTH(x) (sizeof(x) / sizeof(x[0]))
718:
1.1.1.3 root 719: #if defined(HAS_I386)
1.1.1.10 root 720: static CPU_TRANSLATE(i386);
721: #include "mame/lib/softfloat/softfloat.c"
722: #include "mame/emu/cpu/i386/i386.c"
1.1.1.12 root 723: #include "mame/emu/cpu/vtlb.c"
1.1.1.3 root 724: #elif defined(HAS_I286)
1.1.1.10 root 725: #include "mame/emu/cpu/i86/i286.c"
1.1.1.3 root 726: #else
1.1.1.10 root 727: #include "mame/emu/cpu/i86/i86.c"
1.1.1.3 root 728: #endif
1.1.1.33 root 729: #ifdef USE_DEBUGGER
1.1.1.10 root 730: #include "mame/emu/cpu/i386/i386dasm.c"
1.1 root 731: #endif
732:
1.1.1.3 root 733: #if defined(HAS_I386)
734: #define SREG(x) m_sreg[x].selector
735: #define SREG_BASE(x) m_sreg[x].base
736: int cpu_type, cpu_step;
737: #else
738: #define REG8(x) m_regs.b[x]
739: #define REG16(x) m_regs.w[x]
740: #define SREG(x) m_sregs[x]
741: #define SREG_BASE(x) m_base[x]
1.1.1.33 root 742: #define m_eip (m_pc - m_base[CS])
1.1.1.3 root 743: #define m_CF m_CarryVal
744: #define m_a20_mask AMASK
745: #define i386_load_segment_descriptor(x) m_base[x] = SegBase(x)
746: #if defined(HAS_I286)
747: #define i386_set_a20_line(x) i80286_set_a20_line(x)
748: #else
749: #define i386_set_a20_line(x)
750: #endif
751: #define i386_set_irq_line(x, y) set_irq_line(x, y)
752: #endif
1.1 root 753:
754: void i386_jmp_far(UINT16 selector, UINT32 address)
755: {
1.1.1.3 root 756: #if defined(HAS_I386)
1.1 root 757: if(PROTECTED_MODE && !V8086_MODE) {
1.1.1.3 root 758: i386_protected_mode_jump(selector, address, 1, m_operand_size);
1.1 root 759: } else {
1.1.1.3 root 760: SREG(CS) = selector;
761: m_performed_intersegment_jump = 1;
762: i386_load_segment_descriptor(CS);
763: m_eip = address;
764: CHANGE_PC(m_eip);
1.1 root 765: }
1.1.1.3 root 766: #elif defined(HAS_I286)
767: i80286_code_descriptor(selector, address, 1);
768: #else
769: SREG(CS) = selector;
770: i386_load_segment_descriptor(CS);
771: m_pc = (SREG_BASE(CS) + address) & m_a20_mask;
772: #endif
1.1 root 773: }
774:
1.1.1.35 root 775: #ifdef USE_SERVICE_THREAD
1.1.1.24 root 776: void i386_call_far(UINT16 selector, UINT32 address)
777: {
778: #if defined(HAS_I386)
779: if(PROTECTED_MODE && !V8086_MODE) {
780: i386_protected_mode_call(selector, address, 1, m_operand_size);
781: } else {
782: PUSH16(SREG(CS));
783: PUSH16(m_eip);
784: SREG(CS) = selector;
785: m_performed_intersegment_jump = 1;
786: i386_load_segment_descriptor(CS);
787: m_eip = address;
788: CHANGE_PC(m_eip);
789: }
790: #else
791: UINT16 ip = m_pc - SREG_BASE(CS);
792: UINT16 cs = SREG(CS);
793: #if defined(HAS_I286)
794: i80286_code_descriptor(selector, address, 2);
795: #else
796: SREG(CS) = selector;
797: i386_load_segment_descriptor(CS);
798: m_pc = (SREG_BASE(CS) + address) & m_a20_mask;
799: #endif
800: PUSH(cs);
801: PUSH(ip);
802: CHANGE_PC(m_pc);
803: #endif
804: }
1.1.1.35 root 805: #endif
1.1.1.24 root 806:
1.1.1.29 root 807: UINT16 i386_read_stack()
808: {
809: #if defined(HAS_I386)
810: UINT32 ea, new_esp;
811: if( STACK_32BIT ) {
812: new_esp = REG32(ESP) + 2;
813: ea = i386_translate(SS, new_esp - 2, 0);
814: } else {
815: new_esp = REG16(SP) + 2;
816: ea = i386_translate(SS, (new_esp - 2) & 0xffff, 0);
817: }
818: return READ16(ea);
819: #else
820: UINT16 sp = m_regs.w[SP] + 2;
821: return ReadWord(((m_base[SS] + ((sp - 2) & 0xffff)) & AMASK));
822: #endif
823: }
824:
1.1 root 825: /* ----------------------------------------------------------------------------
1.1.1.33 root 826: debugger
827: ---------------------------------------------------------------------------- */
828:
829: #ifdef USE_DEBUGGER
830: #define TELNET_BLUE 0x0004 // text color contains blue.
831: #define TELNET_GREEN 0x0002 // text color contains green.
832: #define TELNET_RED 0x0001 // text color contains red.
833: #define TELNET_INTENSITY 0x0008 // text color is intensified.
834:
835: int svr_socket = 0;
836: int cli_socket = 0;
837:
838: process_t *msdos_process_info_get(UINT16 psp_seg, bool show_error);
839:
840: void debugger_init()
841: {
842: now_debugging = false;
843: now_going = false;
844: now_suspended = false;
845: force_suspend = false;
846:
847: memset(&break_point, 0, sizeof(break_point_t));
848: memset(&rd_break_point, 0, sizeof(break_point_t));
849: memset(&wr_break_point, 0, sizeof(break_point_t));
850: memset(&in_break_point, 0, sizeof(break_point_t));
851: memset(&out_break_point, 0, sizeof(break_point_t));
852: memset(&int_break_point, 0, sizeof(int_break_point_t));
853: }
854:
1.1.1.45! root 855: void telnet_send(const char *string)
1.1.1.33 root 856: {
857: char buffer[8192], *ptr;
858: strcpy(buffer, string);
859: while((ptr = strstr(buffer, "\n")) != NULL) {
860: char tmp[8192];
861: *ptr = '\0';
862: sprintf(tmp, "%s\033E%s", buffer, ptr + 1);
863: strcpy(buffer, tmp);
864: }
865:
866: int len = strlen(buffer), res;
867: ptr = buffer;
868: while(len > 0) {
869: if((res = send(cli_socket, ptr, len, 0)) > 0) {
870: len -= res;
871: ptr += res;
872: }
873: }
874: }
875:
876: void telnet_command(const char *format, ...)
877: {
878: char buffer[1024];
879: va_list ap;
880: va_start(ap, format);
881: vsprintf(buffer, format, ap);
882: va_end(ap);
883:
884: telnet_send(buffer);
885: }
886:
887: void telnet_printf(const char *format, ...)
888: {
889: char buffer[1024];
890: va_list ap;
891: va_start(ap, format);
892: vsprintf(buffer, format, ap);
893: va_end(ap);
894:
895: if(fp_debugger != NULL) {
896: fprintf(fp_debugger, "%s", buffer);
897: }
898: telnet_send(buffer);
899: }
900:
901: bool telnet_gets(char *str, int n)
902: {
903: char buffer[1024];
904: int ptr = 0;
905:
906: telnet_command("\033[12l"); // local echo on
907: telnet_command("\033[2l"); // key unlock
908:
909: while(!m_halted) {
910: int len = recv(cli_socket, buffer, sizeof(buffer), 0);
911:
912: if(len > 0 && buffer[0] != 0xff) {
913: for(int i = 0; i < len; i++) {
914: if(buffer[i] == 0x0d || buffer[i] == 0x0a) {
915: str[ptr] = 0;
916: telnet_command("\033[2h"); // key lock
917: telnet_command("\033[12h"); // local echo off
918: return(!m_halted);
919: } else if(buffer[i] == 0x08) {
920: if(ptr > 0) {
921: telnet_command("\033[0K"); // erase from cursor position
922: ptr--;
923: } else {
924: telnet_command("\033[1C"); // move cursor forward
925: }
926: } else if(ptr < n - 1) {
1.1.1.37 root 927: if(buffer[i] >= 0x20 && buffer[i] <= 0x7e) {
1.1.1.33 root 928: str[ptr++] = buffer[i];
929: }
930: } else {
931: telnet_command("\033[1D\033[0K"); // move cursor backward and erase from cursor position
932: }
933: }
934: } else if(len == -1) {
935: if(WSAGetLastError() != WSAEWOULDBLOCK) {
936: return(false);
937: }
938: } else if(len == 0) {
939: return(false);
940: }
941: Sleep(10);
942: }
943: return(!m_halted);
944: }
945:
946: bool telnet_kbhit()
947: {
948: char buffer[1024];
949:
950: if(!m_halted) {
951: int len = recv(cli_socket, buffer, sizeof(buffer), 0);
952:
953: if(len > 0) {
954: for(int i = 0; i < len; i++) {
955: if(buffer[i] == 0x0d || buffer[i] == 0x0a) {
956: return(true);
957: }
958: }
959: } else if(len == 0) {
960: return(true); // disconnected
961: }
962: }
963: return(false);
964: }
965:
966: bool telnet_disconnected()
967: {
968: char buffer[1024];
969: int len = recv(cli_socket, buffer, sizeof(buffer), 0);
970:
971: if(len == 0) {
972: return(true);
973: } else if(len == -1) {
974: if(WSAGetLastError() != WSAEWOULDBLOCK) {
975: return(true);
976: }
977: }
978: return(false);
979: }
980:
981: void telnet_set_color(int color)
982: {
983: telnet_command("\033[%dm\033[3%dm", (color >> 3) & 1, (color & 7));
984: }
985:
986: int debugger_dasm(char *buffer, UINT32 cs, UINT32 eip)
987: {
988: // UINT8 *oprom = mem + (((cs << 4) + eip) & (MAX_MEM - 1));
989: UINT8 ops[16];
990: for(int i = 0; i < 16; i++) {
991: ops[i] = debugger_read_byte(((cs << 4) + (eip + i)) & ADDR_MASK);
992: }
993: UINT8 *oprom = ops;
994:
995: #if defined(HAS_I386)
996: if(m_operand_size) {
997: return(CPU_DISASSEMBLE_CALL(x86_32) & DASMFLAG_LENGTHMASK);
998: } else
999: #endif
1000: return(CPU_DISASSEMBLE_CALL(x86_16) & DASMFLAG_LENGTHMASK);
1001: }
1002:
1003: void debugger_regs_info(char *buffer)
1004: {
1005: #if defined(HAS_I386)
1006: UINT32 flags = get_flags();
1007: #else
1008: UINT32 flags = CompressFlags();
1009: #endif
1010: #if defined(HAS_I386)
1011: if(m_operand_size) {
1012: 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",
1013: 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),
1014: PROTECTED_MODE ? "PE" : "--",
1015: (flags & 0x40000) ? 'A' : '-',
1016: (flags & 0x20000) ? 'V' : '-',
1017: (flags & 0x10000) ? 'R' : '-',
1018: (flags & 0x04000) ? 'N' : '-',
1019: (flags & 0x02000) ? '1' : '0',
1020: (flags & 0x01000) ? '1' : '0',
1021: (flags & 0x00800) ? 'O' : '-',
1022: (flags & 0x00400) ? 'D' : '-',
1023: (flags & 0x00200) ? 'I' : '-',
1024: (flags & 0x00100) ? 'T' : '-',
1025: (flags & 0x00080) ? 'S' : '-',
1026: (flags & 0x00040) ? 'Z' : '-',
1027: (flags & 0x00010) ? 'A' : '-',
1028: (flags & 0x00004) ? 'P' : '-',
1029: (flags & 0x00001) ? 'C' : '-');
1030: } else {
1031: #endif
1032: 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",
1033: 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),
1034: #if defined(HAS_I386)
1035: PROTECTED_MODE ? "PE" : "--",
1036: #else
1037: "--",
1038: #endif
1039: (flags & 0x40000) ? 'A' : '-',
1040: (flags & 0x20000) ? 'V' : '-',
1041: (flags & 0x10000) ? 'R' : '-',
1042: (flags & 0x04000) ? 'N' : '-',
1043: (flags & 0x02000) ? '1' : '0',
1044: (flags & 0x01000) ? '1' : '0',
1045: (flags & 0x00800) ? 'O' : '-',
1046: (flags & 0x00400) ? 'D' : '-',
1047: (flags & 0x00200) ? 'I' : '-',
1048: (flags & 0x00100) ? 'T' : '-',
1049: (flags & 0x00080) ? 'S' : '-',
1050: (flags & 0x00040) ? 'Z' : '-',
1051: (flags & 0x00010) ? 'A' : '-',
1052: (flags & 0x00004) ? 'P' : '-',
1053: (flags & 0x00001) ? 'C' : '-');
1054: #if defined(HAS_I386)
1055: }
1056: #endif
1057: }
1058:
1059: void debugger_process_info(char *buffer)
1060: {
1061: UINT16 psp_seg = current_psp;
1062: process_t *process;
1063: bool check[0x10000] = {0};
1064:
1065: buffer[0] = '\0';
1066:
1067: while(!check[psp_seg] && (process = msdos_process_info_get(psp_seg, false)) != NULL) {
1068: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
1069: char *file = process->module_path, *s;
1070: char tmp[8192];
1071:
1072: while((s = strstr(file, "\\")) != NULL) {
1073: file = s + 1;
1074: }
1075: 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));
1076: strcat(tmp, buffer);
1077: strcpy(buffer, tmp);
1078:
1079: check[psp_seg] = true;
1080: psp_seg = psp->parent_psp;
1081: }
1082: }
1083:
1084: UINT32 debugger_get_val(const char *str)
1085: {
1086: char tmp[1024];
1087:
1088: if(str == NULL || strlen(str) == 0) {
1089: return(0);
1090: }
1091: strcpy(tmp, str);
1092:
1093: if(strlen(tmp) == 3 && tmp[0] == '\'' && tmp[2] == '\'') {
1094: // ank
1095: return(tmp[1] & 0xff);
1096: } else if(tmp[0] == '%') {
1097: // decimal
1098: return(strtoul(tmp + 1, NULL, 10));
1099: }
1100: return(strtoul(tmp, NULL, 16));
1101: }
1102:
1103: UINT32 debugger_get_seg(const char *str, UINT32 val)
1104: {
1105: char tmp[1024], *s;
1106:
1107: if(str == NULL || strlen(str) == 0) {
1108: return(val);
1109: }
1110: strcpy(tmp, str);
1111:
1112: if((s = strstr(tmp, ":")) != NULL) {
1113: // 0000:0000
1114: *s = '\0';
1115: return(debugger_get_val(tmp));
1116: }
1117: return(val);
1118: }
1119:
1120: UINT32 debugger_get_ofs(const char *str)
1121: {
1122: char tmp[1024], *s;
1123:
1124: if(str == NULL || strlen(str) == 0) {
1125: return(0);
1126: }
1127: strcpy(tmp, str);
1128:
1129: if((s = strstr(tmp, ":")) != NULL) {
1130: // 0000:0000
1131: return(debugger_get_val(s + 1));
1132: }
1133: return(debugger_get_val(tmp));
1134: }
1135:
1136: void debugger_main()
1137: {
1138: telnet_command("\033[20h"); // cr-lf
1139:
1140: force_suspend = true;
1141: now_going = false;
1142: now_debugging = true;
1143: Sleep(100);
1144:
1145: if(!m_halted && !now_suspended) {
1146: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1147: telnet_printf("waiting until cpu is suspended...\n");
1148: }
1149: while(!m_halted && !now_suspended) {
1150: if(telnet_disconnected()) {
1151: break;
1152: }
1153: Sleep(10);
1154: }
1155:
1156: char buffer[8192];
1157:
1158: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1159: debugger_process_info(buffer);
1160: telnet_printf("%s", buffer);
1161: debugger_regs_info(buffer);
1162: telnet_printf("%s", buffer);
1163: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1164: telnet_printf("breaked at %04X:%04X\n", SREG(CS), m_eip);
1165: telnet_set_color(TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1166: debugger_dasm(buffer, SREG(CS), m_eip);
1167: telnet_printf("next\t%04X:%04X %s\n", SREG(CS), m_eip, buffer);
1168: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1169:
1170: #define MAX_COMMAND_LEN 64
1171:
1172: char command[MAX_COMMAND_LEN + 1];
1173: char prev_command[MAX_COMMAND_LEN + 1] = {0};
1174:
1175: UINT32 data_seg = SREG(DS);
1176: UINT32 data_ofs = 0;
1177: UINT32 dasm_seg = SREG(CS);
1178: UINT32 dasm_ofs = m_eip;
1179:
1180: while(!m_halted) {
1181: telnet_printf("- ");
1182: command[0] = '\0';
1183:
1184: if(fi_debugger != NULL) {
1185: while(command[0] == '\0') {
1186: if(fgets(command, sizeof(command), fi_debugger) == NULL) {
1187: break;
1188: }
1189: while(strlen(command) > 0 && (command[strlen(command) - 1] == 0x0d || command[strlen(command) - 1] == 0x0a)) {
1190: command[strlen(command) - 1] = '\0';
1191: }
1192: }
1193: if(command[0] != '\0') {
1194: telnet_command("%s\n", command);
1195: }
1196: }
1197: if(command[0] == '\0') {
1198: if(!telnet_gets(command, sizeof(command))) {
1199: break;
1200: }
1201: }
1202: if(command[0] == '\0') {
1203: strcpy(command, prev_command);
1204: } else {
1205: strcpy(prev_command, command);
1206: }
1207: if(fp_debugger != NULL) {
1208: fprintf(fp_debugger, "%s\n", command);
1209: }
1210:
1211: if(!m_halted && command[0] != 0) {
1212: char *params[32], *token = NULL;
1213: int num = 0;
1214:
1215: if((token = strtok(command, " ")) != NULL) {
1216: params[num++] = token;
1217: while(num < 32 && (token = strtok(NULL, " ")) != NULL) {
1218: params[num++] = token;
1219: }
1220: }
1221: if(stricmp(params[0], "D") == 0) {
1222: if(num <= 3) {
1223: if(num >= 2) {
1224: data_seg = debugger_get_seg(params[1], data_seg);
1225: data_ofs = debugger_get_ofs(params[1]);
1226: }
1227: UINT32 end_seg = data_seg;
1228: UINT32 end_ofs = data_ofs + 8 * 16 - 1;
1229: if(num == 3) {
1230: end_seg = debugger_get_seg(params[2], data_seg);
1231: end_ofs = debugger_get_ofs(params[2]);
1232: }
1233: UINT64 start_addr = (data_seg << 4) + data_ofs;
1234: UINT64 end_addr = (end_seg << 4) + end_ofs;
1.1.1.37 root 1235: // bool is_sjis = false;
1.1.1.33 root 1236:
1237: for(UINT64 addr = (start_addr & ~0x0f); addr <= (end_addr | 0x0f); addr++) {
1238: if((addr & 0x0f) == 0) {
1239: if((data_ofs = addr - (data_seg << 4)) > 0xffff) {
1240: data_seg += 0x1000;
1241: data_ofs -= 0x10000;
1242: }
1243: telnet_printf("%06X:%04X ", data_seg, data_ofs);
1244: memset(buffer, 0, sizeof(buffer));
1245: }
1246: if(addr < start_addr || addr > end_addr) {
1247: telnet_printf(" ");
1248: buffer[addr & 0x0f] = ' ';
1249: } else {
1250: UINT8 data = debugger_read_byte(addr & ADDR_MASK);
1251: telnet_printf(" %02X", data);
1.1.1.37 root 1252: // if(is_sjis) {
1.1.1.33 root 1253: // buffer[addr & 0x0f] = data;
1.1.1.37 root 1254: // is_sjis = false;
1.1.1.33 root 1255: // } else if(((data >= 0x81 && data <= 0x9f) || (data >= 0xe0 && data <= 0xef)) && (addr & 0x0f) < 0x0f) {
1256: // buffer[addr & 0x0f] = data;
1.1.1.37 root 1257: // is_sjis = true;
1.1.1.33 root 1258: // } else
1259: if((data >= 0x20 && data <= 0x7e)/* || (data >= 0xa1 && data <= 0xdf)*/) {
1260: buffer[addr & 0x0f] = data;
1261: } else {
1262: buffer[addr & 0x0f] = '.';
1263: }
1264: }
1265: if((addr & 0x0f) == 0x0f) {
1266: telnet_printf(" %s\n", buffer);
1267: }
1268: }
1269: if((data_ofs = (end_addr + 1) - (data_seg << 4)) > 0xffff) {
1270: data_seg += 0x1000;
1271: data_ofs -= 0x10000;
1272: }
1273: prev_command[1] = '\0'; // remove parameters to dump continuously
1274: } else {
1275: telnet_printf("invalid parameter number\n");
1276: }
1277: } else if(stricmp(params[0], "E") == 0 || stricmp(params[0], "EB") == 0) {
1278: if(num >= 3) {
1279: UINT32 seg = debugger_get_seg(params[1], data_seg);
1280: UINT32 ofs = debugger_get_ofs(params[1]);
1281: for(int i = 2, j = 0; i < num; i++, j++) {
1282: debugger_write_byte(((seg << 4) + (ofs + j)) & ADDR_MASK, debugger_get_val(params[i]) & 0xff);
1283: }
1284: } else {
1285: telnet_printf("invalid parameter number\n");
1286: }
1287: } else if(stricmp(params[0], "EW") == 0) {
1288: if(num >= 3) {
1289: UINT32 seg = debugger_get_seg(params[1], data_seg);
1290: UINT32 ofs = debugger_get_ofs(params[1]);
1291: for(int i = 2, j = 0; i < num; i++, j += 2) {
1292: debugger_write_word(((seg << 4) + (ofs + j)) & ADDR_MASK, debugger_get_val(params[i]) & 0xffff);
1293: }
1294: } else {
1295: telnet_printf("invalid parameter number\n");
1296: }
1297: } else if(stricmp(params[0], "ED") == 0) {
1298: if(num >= 3) {
1299: UINT32 seg = debugger_get_seg(params[1], data_seg);
1300: UINT32 ofs = debugger_get_ofs(params[1]);
1301: for(int i = 2, j = 0; i < num; i++, j += 4) {
1302: debugger_write_dword(((seg << 4) + (ofs + j)) & ADDR_MASK, debugger_get_val(params[i]));
1303: }
1304: } else {
1305: telnet_printf("invalid parameter number\n");
1306: }
1307: } else if(stricmp(params[0], "EA") == 0) {
1308: if(num >= 3) {
1309: UINT32 seg = debugger_get_seg(params[1], data_seg);
1310: UINT32 ofs = debugger_get_ofs(params[1]);
1311: strcpy(buffer, prev_command);
1312: if((token = strtok(buffer, "\"")) != NULL && (token = strtok(NULL, "\"")) != NULL) {
1313: int len = strlen(token);
1314: for(int i = 0; i < len; i++) {
1315: debugger_write_byte(((seg << 4) + (ofs + i)) & ADDR_MASK, token[i] & 0xff);
1316: }
1317: } else {
1318: telnet_printf("invalid parameter\n");
1319: }
1320: } else {
1321: telnet_printf("invalid parameter number\n");
1322: }
1323: } else if(stricmp(params[0], "I") == 0 || stricmp(params[0], "IB") == 0) {
1324: if(num == 2) {
1325: telnet_printf("%02X\n", debugger_read_io_byte(debugger_get_val(params[1])) & 0xff);
1326: } else {
1327: telnet_printf("invalid parameter number\n");
1328: }
1329: } else if(stricmp(params[0], "IW") == 0) {
1330: if(num == 2) {
1331: telnet_printf("%04X\n", debugger_read_io_word(debugger_get_val(params[1])) & 0xffff);
1332: } else {
1333: telnet_printf("invalid parameter number\n");
1334: }
1335: } else if(stricmp(params[0], "ID") == 0) {
1336: if(num == 2) {
1337: telnet_printf("%08X\n", debugger_read_io_dword(debugger_get_val(params[1])));
1338: } else {
1339: telnet_printf("invalid parameter number\n");
1340: }
1341: } else if(stricmp(params[0], "O") == 0 || stricmp(params[0], "OB") == 0) {
1342: if(num == 3) {
1343: debugger_write_io_byte(debugger_get_val(params[1]), debugger_get_val(params[2]) & 0xff);
1344: } else {
1345: telnet_printf("invalid parameter number\n");
1346: }
1347: } else if(stricmp(params[0], "OW") == 0) {
1348: if(num == 3) {
1349: debugger_write_io_word(debugger_get_val(params[1]), debugger_get_val(params[2]) & 0xffff);
1350: } else {
1351: telnet_printf("invalid parameter number\n");
1352: }
1353: } else if(stricmp(params[0], "OD") == 0) {
1354: if(num == 3) {
1355: debugger_write_io_dword(debugger_get_val(params[1]), debugger_get_val(params[2]));
1356: } else {
1357: telnet_printf("invalid parameter number\n");
1358: }
1359: } else if(stricmp(params[0], "R") == 0) {
1360: if(num == 1) {
1361: debugger_regs_info(buffer);
1362: telnet_printf("%s", buffer);
1363: } else if(num == 3) {
1364: #if defined(HAS_I386)
1365: if(stricmp(params[1], "EAX") == 0) {
1366: REG32(EAX) = debugger_get_val(params[2]);
1367: } else if(stricmp(params[1], "EBX") == 0) {
1368: REG32(EBX) = debugger_get_val(params[2]);
1369: } else if(stricmp(params[1], "ECX") == 0) {
1370: REG32(ECX) = debugger_get_val(params[2]);
1371: } else if(stricmp(params[1], "EDX") == 0) {
1372: REG32(EDX) = debugger_get_val(params[2]);
1373: } else if(stricmp(params[1], "ESP") == 0) {
1374: REG32(ESP) = debugger_get_val(params[2]);
1375: } else if(stricmp(params[1], "EBP") == 0) {
1376: REG32(EBP) = debugger_get_val(params[2]);
1377: } else if(stricmp(params[1], "ESI") == 0) {
1378: REG32(ESI) = debugger_get_val(params[2]);
1379: } else if(stricmp(params[1], "EDI") == 0) {
1380: REG32(EDI) = debugger_get_val(params[2]);
1381: } else
1382: #endif
1383: if(stricmp(params[1], "AX") == 0) {
1384: REG16(AX) = debugger_get_val(params[2]);
1385: } else if(stricmp(params[1], "BX") == 0) {
1386: REG16(BX) = debugger_get_val(params[2]);
1387: } else if(stricmp(params[1], "CX") == 0) {
1388: REG16(CX) = debugger_get_val(params[2]);
1389: } else if(stricmp(params[1], "DX") == 0) {
1390: REG16(DX) = debugger_get_val(params[2]);
1391: } else if(stricmp(params[1], "SP") == 0) {
1392: REG16(SP) = debugger_get_val(params[2]);
1393: } else if(stricmp(params[1], "BP") == 0) {
1394: REG16(BP) = debugger_get_val(params[2]);
1395: } else if(stricmp(params[1], "SI") == 0) {
1396: REG16(SI) = debugger_get_val(params[2]);
1397: } else if(stricmp(params[1], "DI") == 0) {
1398: REG16(DI) = debugger_get_val(params[2]);
1399: } else if(stricmp(params[1], "IP") == 0 || stricmp(params[1], "EIP") == 0) {
1400: #if defined(HAS_I386)
1401: if(m_operand_size) {
1402: m_eip = debugger_get_val(params[2]);
1403: } else {
1404: m_eip = debugger_get_val(params[2]) & 0xffff;
1405: }
1406: CHANGE_PC(m_eip);
1407: #else
1408: m_pc = (SREG_BASE(CS) + (debugger_get_val(params[2]) & 0xffff)) & ADDR_MASK;
1409: CHANGE_PC(m_pc);
1410: #endif
1411: } else if(stricmp(params[1], "AL") == 0) {
1412: REG8(AL) = debugger_get_val(params[2]);
1413: } else if(stricmp(params[1], "AH") == 0) {
1414: REG8(AH) = debugger_get_val(params[2]);
1415: } else if(stricmp(params[1], "BL") == 0) {
1416: REG8(BL) = debugger_get_val(params[2]);
1417: } else if(stricmp(params[1], "BH") == 0) {
1418: REG8(BH) = debugger_get_val(params[2]);
1419: } else if(stricmp(params[1], "CL") == 0) {
1420: REG8(CL) = debugger_get_val(params[2]);
1421: } else if(stricmp(params[1], "CH") == 0) {
1422: REG8(CH) = debugger_get_val(params[2]);
1423: } else if(stricmp(params[1], "DL") == 0) {
1424: REG8(DL) = debugger_get_val(params[2]);
1425: } else if(stricmp(params[1], "DH") == 0) {
1426: REG8(DH) = debugger_get_val(params[2]);
1427: } else {
1428: telnet_printf("unknown register %s\n", params[1]);
1429: }
1430: } else {
1431: telnet_printf("invalid parameter number\n");
1432: }
1433: } else if(_tcsicmp(params[0], "S") == 0) {
1434: if(num >= 4) {
1435: UINT32 cur_seg = debugger_get_seg(params[1], data_seg);
1436: UINT32 cur_ofs = debugger_get_ofs(params[1]);
1437: UINT32 end_seg = debugger_get_seg(params[2], cur_seg);
1438: UINT32 end_ofs = debugger_get_ofs(params[2]);
1439: UINT8 list[32];
1440:
1441: for(int i = 3, j = 0; i < num && j < 32; i++, j++) {
1442: list[j] = debugger_get_val(params[i]);
1443: }
1444: while((cur_seg << 4) + cur_ofs <= (end_seg << 4) + end_ofs) {
1445: bool found = true;
1446: for(int i = 3, j = 0; i < num && j < 32; i++, j++) {
1447: if(debugger_read_byte(((cur_seg << 4) + (cur_ofs + j)) & ADDR_MASK) != list[j]) {
1448: found = false;
1449: break;
1450: }
1451: }
1452: if(found) {
1453: telnet_printf("%04X:%04X\n", cur_seg, cur_ofs);
1454: }
1455: if((cur_ofs += 1) > 0xffff) {
1456: cur_seg += 0x1000;
1457: cur_ofs -= 0x10000;
1458: }
1459: }
1460: } else {
1461: telnet_printf("invalid parameter number\n");
1462: }
1463: } else if(stricmp(params[0], "U") == 0) {
1464: if(num <= 3) {
1465: if(num >= 2) {
1466: dasm_seg = debugger_get_seg(params[1], dasm_seg);
1467: dasm_ofs = debugger_get_ofs(params[1]);
1468: }
1469: if(num == 3) {
1470: UINT32 end_seg = debugger_get_seg(params[2], dasm_seg);
1471: UINT32 end_ofs = debugger_get_ofs(params[2]);
1472:
1473: while((dasm_seg << 4) + dasm_ofs <= (end_seg << 4) + end_ofs) {
1474: int len = debugger_dasm(buffer, dasm_seg, dasm_ofs);
1475: telnet_printf("%04X:%04X ", dasm_seg, dasm_ofs);
1476: for(int i = 0; i < len; i++) {
1477: telnet_printf("%02X", debugger_read_byte(((dasm_seg << 4) + (dasm_ofs + i)) & ADDR_MASK));
1478: }
1479: for(int i = len; i < 8; i++) {
1480: telnet_printf(" ");
1481: }
1482: telnet_printf(" %s\n", buffer);
1483: if((dasm_ofs += len) > 0xffff) {
1484: dasm_seg += 0x1000;
1485: dasm_ofs -= 0x10000;
1486: }
1487: }
1488: } else {
1489: for(int i = 0; i < 16; i++) {
1490: int len = debugger_dasm(buffer, dasm_seg, dasm_ofs);
1491: telnet_printf("%04X:%04X ", dasm_seg, dasm_ofs);
1492: for(int i = 0; i < len; i++) {
1493: telnet_printf("%02X", debugger_read_byte(((dasm_seg << 4) + (dasm_ofs + i)) & ADDR_MASK));
1494: }
1495: for(int i = len; i < 8; i++) {
1496: telnet_printf(" ");
1497: }
1498: telnet_printf(" %s\n", buffer);
1499: if((dasm_ofs += len) > 0xffff) {
1500: dasm_seg += 0x1000;
1501: dasm_ofs -= 0x10000;
1502: }
1503: }
1504: }
1505: prev_command[1] = '\0'; // remove parameters to disassemble continuously
1506: } else {
1507: telnet_printf("invalid parameter number\n");
1508: }
1509: } else if(stricmp(params[0], "H") == 0) {
1510: if(num == 3) {
1511: UINT32 l = debugger_get_val(params[1]);
1512: UINT32 r = debugger_get_val(params[2]);
1513: telnet_printf("%08X %08X\n", l + r, l - r);
1514: } else {
1515: telnet_printf("invalid parameter number\n");
1516: }
1517: } else if(stricmp(params[0], "BP") == 0 || stricmp(params[0], "RBP") == 0 || stricmp(params[0], "WBP") == 0) {
1518: break_point_t *break_point_ptr;
1519: #define GET_BREAK_POINT_PTR() { \
1520: if(params[0][0] == 'R') { \
1521: break_point_ptr = &rd_break_point; \
1522: } else if(params[0][0] == 'W') { \
1523: break_point_ptr = &wr_break_point; \
1524: } else if(params[0][0] == 'I') { \
1525: break_point_ptr = &in_break_point; \
1526: } else if(params[0][0] == 'O') { \
1527: break_point_ptr = &out_break_point; \
1528: } else { \
1529: break_point_ptr = &break_point; \
1530: } \
1531: }
1532: GET_BREAK_POINT_PTR();
1533: if(num == 2) {
1534: UINT32 seg = debugger_get_seg(params[1], SREG(CS));
1535: UINT32 ofs = debugger_get_ofs(params[1]);
1536: bool found = false;
1537: for(int i = 0; i < MAX_BREAK_POINTS && !found; i++) {
1538: if(break_point_ptr->table[i].status == 0 || break_point_ptr->table[i].addr == ((seg << 4) + ofs)) {
1539: break_point_ptr->table[i].addr = (seg << 4) + ofs;
1540: break_point_ptr->table[i].seg = seg;
1541: break_point_ptr->table[i].ofs = ofs;
1542: break_point_ptr->table[i].status = 1;
1543: found = true;
1544: }
1545: }
1546: if(!found) {
1547: telnet_printf("too many break points\n");
1548: }
1549: } else {
1550: telnet_printf("invalid parameter number\n");
1551: }
1552: } else if(stricmp(params[0], "IBP") == 0 || stricmp(params[0], "OBP") == 0) {
1553: break_point_t *break_point_ptr;
1554: GET_BREAK_POINT_PTR();
1555: if(num == 2) {
1556: UINT32 addr = debugger_get_val(params[1]);
1557: bool found = false;
1558: for(int i = 0; i < MAX_BREAK_POINTS && !found; i++) {
1559: if(break_point_ptr->table[i].status == 0 || break_point_ptr->table[i].addr == addr) {
1560: break_point_ptr->table[i].addr = addr;
1561: break_point_ptr->table[i].status = 1;
1562: found = true;
1563: }
1564: }
1565: if(!found) {
1566: telnet_printf("too many break points\n");
1567: }
1568: } else {
1569: telnet_printf("invalid parameter number\n");
1570: }
1571: } 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) {
1572: break_point_t *break_point_ptr;
1573: GET_BREAK_POINT_PTR();
1574: if(num == 2 && (stricmp(params[1], "*") == 0 || stricmp(params[1], "ALL") == 0)) {
1575: memset(break_point_ptr, 0, sizeof(break_point_t));
1576: } else if(num >= 2) {
1577: for(int i = 1; i < num; i++) {
1578: int index = debugger_get_val(params[i]);
1579: if(!(index >= 1 && index <= MAX_BREAK_POINTS)) {
1580: telnet_printf("invalid index %x\n", index);
1581: } else {
1582: break_point_ptr->table[index - 1].addr = 0;
1583: break_point_ptr->table[index - 1].seg = 0;
1584: break_point_ptr->table[index - 1].ofs = 0;
1585: break_point_ptr->table[index - 1].status = 0;
1586: }
1587: }
1588: } else {
1589: telnet_printf("invalid parameter number\n");
1590: }
1591: } 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 ||
1592: 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) {
1593: break_point_t *break_point_ptr;
1594: GET_BREAK_POINT_PTR();
1595: bool enabled = (params[0][strlen(params[0]) - 1] == 'E' || params[0][strlen(params[0]) - 1] == 'e');
1596: if(num == 2 && (stricmp(params[1], "*") == 0 || stricmp(params[1], "ALL") == 0)) {
1597: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
1598: if(break_point_ptr->table[i].status != 0) {
1599: break_point_ptr->table[i].status = enabled ? 1 : -1;
1600: }
1601: }
1602: } else if(num >= 2) {
1603: for(int i = 1; i < num; i++) {
1604: int index = debugger_get_val(params[i]);
1605: if(!(index >= 1 && index <= MAX_BREAK_POINTS)) {
1606: telnet_printf("invalid index %x\n", index);
1607: } else if(break_point_ptr->table[index - 1].status == 0) {
1608: telnet_printf("break point %x is null\n", index);
1609: } else {
1610: break_point_ptr->table[index - 1].status = enabled ? 1 : -1;
1611: }
1612: }
1613: } else {
1614: telnet_printf("invalid parameter number\n");
1615: }
1616: } else if(stricmp(params[0], "BL") == 0 || stricmp(params[0], "RBL") == 0 || stricmp(params[0], "WBL") == 0) {
1617: break_point_t *break_point_ptr;
1618: GET_BREAK_POINT_PTR();
1619: if(num == 1) {
1620: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
1621: if(break_point_ptr->table[i].status) {
1622: 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);
1623: }
1624: }
1625: } else {
1626: telnet_printf("invalid parameter number\n");
1627: }
1628: } else if(stricmp(params[0], "IBL") == 0 || stricmp(params[0], "OBL") == 0) {
1629: break_point_t *break_point_ptr;
1630: GET_BREAK_POINT_PTR();
1631: if(num == 1) {
1632: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
1633: if(break_point_ptr->table[i].status) {
1634: telnet_printf("%d %c %04X\n", i + 1, break_point_ptr->table[i].status == 1 ? 'e' : 'd', break_point_ptr->table[i].addr);
1635: }
1636: }
1637: } else {
1638: telnet_printf("invalid parameter number\n");
1639: }
1640: } else if(stricmp(params[0], "INTBP") == 0) {
1641: if(num >= 2 && num <= 4) {
1642: int int_num = debugger_get_val(params[1]);
1643: UINT8 ah = 0, ah_registered = 0;
1644: UINT8 al = 0, al_registered = 0;
1645: if(num >= 3) {
1646: ah = debugger_get_val(params[2]);
1647: ah_registered = 1;
1648: }
1649: if(num == 4) {
1650: al = debugger_get_val(params[3]);
1651: al_registered = 1;
1652: }
1653: bool found = false;
1654: for(int i = 0; i < MAX_BREAK_POINTS && !found; i++) {
1655: if(int_break_point.table[i].status == 0 || (
1656: int_break_point.table[i].int_num == int_num &&
1657: int_break_point.table[i].ah == ah && int_break_point.table[i].ah_registered == ah_registered &&
1658: int_break_point.table[i].al == al && int_break_point.table[i].al_registered == al_registered)) {
1659: int_break_point.table[i].int_num = int_num;
1660: int_break_point.table[i].ah = ah;
1661: int_break_point.table[i].ah_registered = ah_registered;
1662: int_break_point.table[i].al = al;
1663: int_break_point.table[i].al_registered = al_registered;
1664: int_break_point.table[i].status = 1;
1665: found = true;
1666: }
1667: }
1668: if(!found) {
1669: telnet_printf("too many break points\n");
1670: }
1671: } else {
1672: telnet_printf("invalid parameter number\n");
1673: }
1674: } else if(stricmp(params[0], "INTBC") == 0) {
1675: if(num == 2 && (stricmp(params[1], "*") == 0 || stricmp(params[1], "ALL") == 0)) {
1676: memset(&int_break_point, 0, sizeof(int_break_point_t));
1677: } else if(num >= 2) {
1678: for(int i = 1; i < num; i++) {
1679: int index = debugger_get_val(params[i]);
1680: if(!(index >= 1 && index <= MAX_BREAK_POINTS)) {
1681: telnet_printf("invalid index %x\n", index);
1682: } else {
1683: int_break_point.table[index - 1].int_num = 0;
1684: int_break_point.table[index - 1].ah = 0;
1685: int_break_point.table[index - 1].ah_registered = 0;
1686: int_break_point.table[index - 1].al = 0;
1687: int_break_point.table[index - 1].al_registered = 0;
1688: int_break_point.table[index - 1].status = 0;
1689: }
1690: }
1691: } else {
1692: telnet_printf("invalid parameter number\n");
1693: }
1694: } else if(stricmp(params[0], "INTBD") == 0 || stricmp(params[0], "INTBE") == 0) {
1695: bool enabled = (params[0][strlen(params[0]) - 1] == 'E' || params[0][strlen(params[0]) - 1] == 'e');
1696: if(num == 2 && (stricmp(params[1], "*") == 0 || stricmp(params[1], "ALL") == 0)) {
1697: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
1698: if(int_break_point.table[i].status != 0) {
1699: int_break_point.table[i].status = enabled ? 1 : -1;
1700: }
1701: }
1702: } else if(num >= 2) {
1703: for(int i = 1; i < num; i++) {
1704: int index = debugger_get_val(params[i]);
1705: if(!(index >= 1 && index <= MAX_BREAK_POINTS)) {
1706: telnet_printf("invalid index %x\n", index);
1707: } else if(int_break_point.table[index - 1].status == 0) {
1708: telnet_printf("break point %x is null\n", index);
1709: } else {
1710: int_break_point.table[index - 1].status = enabled ? 1 : -1;
1711: }
1712: }
1713: } else {
1714: telnet_printf("invalid parameter number\n");
1715: }
1716: } else if(stricmp(params[0], "INTBL") == 0) {
1717: if(num == 1) {
1718: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
1719: if(int_break_point.table[i].status) {
1720: telnet_printf("%d %c %02X", i + 1, int_break_point.table[i].status == 1 ? 'e' : 'd', int_break_point.table[i].int_num);
1721: if(int_break_point.table[i].ah_registered) {
1722: telnet_printf(" %02X", int_break_point.table[i].ah);
1723: }
1724: if(int_break_point.table[i].al_registered) {
1725: telnet_printf(" %02X", int_break_point.table[i].al);
1726: }
1727: telnet_printf("\n");
1728: }
1729: }
1730: } else {
1731: telnet_printf("invalid parameter number\n");
1732: }
1733: } else if(stricmp(params[0], "G") == 0 || stricmp(params[0], "P") == 0) {
1734: if(num == 1 || num == 2) {
1735: break_point_t break_point_stored;
1736: bool break_points_stored = false;
1737:
1738: if(stricmp(params[0], "P") == 0) {
1739: memcpy(&break_point_stored, &break_point, sizeof(break_point_t));
1740: memset(&break_point, 0, sizeof(break_point_t));
1741: break_points_stored = true;
1742:
1743: break_point.table[0].addr = (SREG(CS) << 4) + m_eip + debugger_dasm(buffer, SREG(CS), m_eip);
1744: break_point.table[0].status = 1;
1745: } else if(num >= 2) {
1746: memcpy(&break_point_stored, &break_point, sizeof(break_point_t));
1747: memset(&break_point, 0, sizeof(break_point_t));
1748: break_points_stored = true;
1749:
1750: UINT32 seg = debugger_get_seg(params[1], SREG(CS));
1751: UINT32 ofs = debugger_get_ofs(params[1]);
1752: break_point.table[0].addr = (seg << 4) + ofs;
1753: break_point.table[0].seg = seg;
1754: break_point.table[0].ofs = ofs;
1755: break_point.table[0].status = 1;
1756: }
1757: break_point.hit = rd_break_point.hit = wr_break_point.hit = in_break_point.hit = out_break_point.hit = int_break_point.hit = 0;
1758: now_going = true;
1759: now_suspended = false;
1760:
1761: telnet_command("\033[2l"); // key unlock
1762: while(!m_halted && !now_suspended) {
1763: if(telnet_kbhit()) {
1764: break;
1765: }
1766: Sleep(10);
1767: }
1768: now_going = false;
1769: telnet_command("\033[2h"); // key lock
1770:
1771: if(!(break_point.hit || rd_break_point.hit || wr_break_point.hit || in_break_point.hit || out_break_point.hit || int_break_point.hit)) {
1772: Sleep(100);
1773: if(!m_halted && !now_suspended) {
1774: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1775: telnet_printf("waiting until cpu is suspended...\n");
1776: }
1777: }
1778: while(!m_halted && !now_suspended) {
1779: if(telnet_disconnected()) {
1780: break;
1781: }
1782: Sleep(10);
1783: }
1784: dasm_seg = SREG(CS);
1785: dasm_ofs = m_eip;
1786:
1787: telnet_set_color(TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1788: debugger_dasm(buffer, m_prev_cs, m_prev_eip);
1789: telnet_printf("done\t%04X:%04X %s\n", m_prev_cs, m_prev_eip, buffer);
1790:
1791: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1792: debugger_regs_info(buffer);
1793: telnet_printf("%s", buffer);
1794:
1795: if(break_point.hit) {
1796: if(stricmp(params[0], "G") == 0 && num == 1) {
1797: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1798: telnet_printf("breaked at %04X:%04X: break point is hit\n", SREG(CS), m_eip);
1799: }
1800: } else if(rd_break_point.hit) {
1801: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1802: telnet_printf("breaked at %04X:%04X: memory %04X:%04X was read at %04X:%04X\n", SREG(CS), m_eip,
1803: rd_break_point.table[rd_break_point.hit - 1].seg, rd_break_point.table[rd_break_point.hit - 1].ofs,
1804: m_prev_cs, m_prev_eip);
1805: } else if(wr_break_point.hit) {
1806: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1807: telnet_printf("breaked at %04X:%04X: memory %04X:%04X was written at %04X:%04X\n", SREG(CS), m_eip,
1808: wr_break_point.table[wr_break_point.hit - 1].seg, wr_break_point.table[wr_break_point.hit - 1].ofs,
1809: m_prev_cs, m_prev_eip);
1810: } else if(in_break_point.hit) {
1811: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1812: telnet_printf("breaked at %04X:%04X: port %04X was read at %04X:%04X\n", SREG(CS), m_eip,
1813: in_break_point.table[in_break_point.hit - 1].addr,
1814: m_prev_cs, m_prev_eip);
1815: } else if(out_break_point.hit) {
1816: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1817: telnet_printf("breaked at %04X:%04X: port %04X was written at %04X:%04X\n", SREG(CS), m_eip,
1818: out_break_point.table[out_break_point.hit - 1].addr,
1819: m_prev_cs, m_prev_eip);
1820: } else if(int_break_point.hit) {
1821: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1822: telnet_printf("breaked at %04X:%04X: INT %02x", SREG(CS), m_eip, int_break_point.table[int_break_point.hit - 1].int_num);
1823: if(int_break_point.table[int_break_point.hit - 1].ah_registered) {
1824: telnet_printf(" AH=%02x", int_break_point.table[int_break_point.hit - 1].ah);
1825: }
1826: if(int_break_point.table[int_break_point.hit - 1].al_registered) {
1827: telnet_printf(" AL=%02x", int_break_point.table[int_break_point.hit - 1].al);
1828: }
1829: telnet_printf(" is raised at %04X:%04X\n", m_prev_cs, m_prev_eip);
1830: } else {
1831: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1832: telnet_printf("breaked at %04X:%04X: enter key was pressed\n", SREG(CS), m_eip);
1833: }
1834: if(break_points_stored) {
1835: memcpy(&break_point, &break_point_stored, sizeof(break_point_t));
1836: }
1837: telnet_set_color(TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1838: debugger_dasm(buffer, SREG(CS), m_eip);
1839: telnet_printf("next\t%04X:%04X %s\n", SREG(CS), m_eip, buffer);
1840: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1841: } else {
1842: telnet_printf("invalid parameter number\n");
1843: }
1844: } else if(stricmp(params[0], "T") == 0) {
1845: if(num == 1 || num == 2) {
1846: int steps = 1;
1847: if(num >= 2) {
1848: steps = debugger_get_val(params[1]);
1849: }
1850:
1851: telnet_command("\033[2l"); // key unlock
1852: while(steps-- > 0) {
1853: break_point.hit = rd_break_point.hit = wr_break_point.hit = in_break_point.hit = out_break_point.hit = int_break_point.hit = 0;
1854: now_going = false;
1855: now_suspended = false;
1856:
1857: while(!m_halted && !now_suspended) {
1858: if(telnet_disconnected()) {
1859: break;
1860: }
1861: Sleep(10);
1862: }
1863: dasm_seg = SREG(CS);
1864: dasm_ofs = m_eip;
1865:
1866: telnet_set_color(TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1867: debugger_dasm(buffer, m_prev_cs, m_prev_eip);
1868: telnet_printf("done\t%04X:%04X %s\n", m_prev_cs, m_prev_eip, buffer);
1869:
1870: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1871: debugger_regs_info(buffer);
1872: telnet_printf("%s", buffer);
1873:
1874: 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()) {
1875: break;
1876: }
1877: }
1878: telnet_command("\033[2h"); // key lock
1879:
1880: if(!(break_point.hit || rd_break_point.hit || wr_break_point.hit || in_break_point.hit || out_break_point.hit || int_break_point.hit)) {
1881: Sleep(100);
1882: if(!m_halted && !now_suspended) {
1883: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1884: telnet_printf("waiting until cpu is suspended...\n");
1885: }
1886: }
1887: while(!m_halted && !now_suspended) {
1888: if(telnet_disconnected()) {
1889: break;
1890: }
1891: Sleep(10);
1892: }
1893: if(break_point.hit) {
1894: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1895: telnet_printf("breaked at %04X:%04X: break point is hit\n", SREG(CS), m_eip);
1896: } else if(rd_break_point.hit) {
1897: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1898: telnet_printf("breaked at %04X:%04X: memory %04X:%04X was read at %04X:%04X\n", SREG(CS), m_eip,
1899: rd_break_point.table[rd_break_point.hit - 1].seg, rd_break_point.table[rd_break_point.hit - 1].ofs,
1900: m_prev_cs, m_prev_eip);
1901: } else if(wr_break_point.hit) {
1902: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1903: telnet_printf("breaked at %04X:%04X: memory %04X:%04X was written at %04X:%04X\n", SREG(CS), m_eip,
1904: wr_break_point.table[wr_break_point.hit - 1].seg, wr_break_point.table[wr_break_point.hit - 1].ofs,
1905: m_prev_cs, m_prev_eip);
1906: } else if(in_break_point.hit) {
1907: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1908: telnet_printf("breaked at %04X:%04X: port %04X was read at %04X:%04X\n", SREG(CS), m_eip,
1909: in_break_point.table[in_break_point.hit - 1].addr,
1910: m_prev_cs, m_prev_eip);
1911: } else if(out_break_point.hit) {
1912: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1913: telnet_printf("breaked at %04X:%04X: port %04X was written at %04X:%04X\n", SREG(CS), m_eip,
1914: out_break_point.table[out_break_point.hit - 1].addr,
1915: m_prev_cs, m_prev_eip);
1916: } else if(int_break_point.hit) {
1917: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1918: telnet_printf("breaked at %04X:%04X: INT %02x", SREG(CS), m_eip, int_break_point.table[int_break_point.hit - 1].int_num);
1919: if(int_break_point.table[int_break_point.hit - 1].ah_registered) {
1920: telnet_printf(" AH=%02x", int_break_point.table[int_break_point.hit - 1].ah);
1921: }
1922: if(int_break_point.table[int_break_point.hit - 1].al_registered) {
1923: telnet_printf(" AL=%02x", int_break_point.table[int_break_point.hit - 1].al);
1924: }
1925: telnet_printf(" is raised at %04X:%04X\n", m_prev_cs, m_prev_eip);
1926: } else if(steps > 0) {
1927: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1928: telnet_printf("breaked at %04X:%04X: enter key was pressed\n", SREG(CS), m_eip);
1929: }
1930: telnet_set_color(TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1931: debugger_dasm(buffer, SREG(CS), m_eip);
1932: telnet_printf("next\t%04X:%04X %s\n", SREG(CS), m_eip, buffer);
1933: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1934: } else {
1935: telnet_printf("invalid parameter number\n");
1936: }
1937: } else if(stricmp(params[0], "Q") == 0) {
1938: break;
1939: } else if(stricmp(params[0], "X") == 0) {
1940: debugger_process_info(buffer);
1941: telnet_printf("%s", buffer);
1942: } else if(stricmp(params[0], ">") == 0) {
1943: if(num == 2) {
1944: if(fp_debugger != NULL) {
1945: fclose(fp_debugger);
1946: fp_debugger = NULL;
1947: }
1948: fp_debugger = fopen(params[1], "w");
1949: } else {
1950: telnet_printf("invalid parameter number\n");
1951: }
1952: } else if(stricmp(params[0], "<") == 0) {
1953: if(num == 2) {
1954: if(fi_debugger != NULL) {
1955: fclose(fi_debugger);
1956: fi_debugger = NULL;
1957: }
1958: fi_debugger = fopen(params[1], "r");
1959: } else {
1960: telnet_printf("invalid parameter number\n");
1961: }
1962: } else if(stricmp(params[0], "?") == 0) {
1963: telnet_printf("D [<start> [<end>]] - dump memory\n");
1964: telnet_printf("E[{B,W,D}] <address> <list> - edit memory (byte,word,dword)\n");
1965: telnet_printf("EA <address> \"<value>\" - edit memory (ascii)\n");
1966: telnet_printf("I[{B,W,D}] <port> - input port (byte,word,dword)\n");
1967: telnet_printf("O[{B,W,D}] <port> <value> - output port (byte,word,dword)\n");
1968:
1969: telnet_printf("R - show registers\n");
1970: telnet_printf("R <reg> <value> - edit register\n");
1971: telnet_printf("S <start> <end> <list> - search\n");
1972: telnet_printf("U [<start> [<end>]] - unassemble\n");
1973:
1974: telnet_printf("H <value> <value> - hexadd\n");
1975:
1976: telnet_printf("BP <address> - set breakpoint\n");
1977: telnet_printf("{R,W}BP <address> - set breakpoint (break at memory access)\n");
1978: telnet_printf("{I,O}BP <port> - set breakpoint (break at i/o access)\n");
1979: telnet_printf("INTBP <num> [<ah> [<al>]]- set breakpoint (break at interrupt)\n");
1980: telnet_printf("[{R,W,I,O,INT}]B{C,D,E} {*,<list>} - clear/disable/enable breakpoint(s)\n");
1981: telnet_printf("[{R,W,I,O,INT}]BL - list breakpoint(s)\n");
1982:
1983: telnet_printf("G - go (press enter key to break)\n");
1984: telnet_printf("G <address> - go and break at address\n");
1985: telnet_printf("P - trace one opcode (step over)\n");
1986: telnet_printf("T [<count>] - trace (step in)\n");
1987: telnet_printf("Q - quit\n");
1988: telnet_printf("X - show dos process info\n");
1989:
1990: telnet_printf("> <filename> - output logfile\n");
1991: telnet_printf("< <filename> - input commands from file\n");
1992:
1993: telnet_printf("<value> - hexa, decimal(%%d), ascii('a')\n");
1994: telnet_printf("<list> - <value> [<value> [<value> [...]]]\n");
1995: } else {
1996: telnet_printf("unknown command %s\n", params[0]);
1997: }
1998: }
1999: }
2000: if(fp_debugger != NULL) {
2001: fclose(fp_debugger);
2002: fp_debugger = NULL;
2003: }
2004: if(fi_debugger != NULL) {
2005: fclose(fi_debugger);
2006: fi_debugger = NULL;
2007: }
2008: now_debugging = now_going = now_suspended = force_suspend = false;
2009: closesocket(cli_socket);
2010: }
2011:
2012: const char *debugger_get_ttermpro_path()
2013: {
2014: static char path[MAX_PATH] = {0};
2015:
2016: if(getenv("ProgramFiles")) {
2017: sprintf(path, "%s\\teraterm\\ttermpro.exe", getenv("ProgramFiles"));
2018: }
2019: return(path);
2020: }
2021:
2022: const char *debugger_get_ttermpro_x86_path()
2023: {
2024: static char path[MAX_PATH] = {0};
2025:
2026: if(getenv("ProgramFiles(x86)")) {
2027: sprintf(path, "%s\\teraterm\\ttermpro.exe", getenv("ProgramFiles(x86)"));
2028: }
2029: return(path);
2030: }
2031:
2032: const char *debugger_get_putty_path()
2033: {
2034: static char path[MAX_PATH] = {0};
2035:
2036: if(getenv("ProgramFiles")) {
2037: sprintf(path, "%s\\PuTTY\\putty.exe", getenv("ProgramFiles"));
2038: }
2039: return(path);
2040: }
2041:
2042: const char *debugger_get_putty_x86_path()
2043: {
2044: static char path[MAX_PATH] = {0};
2045:
2046: if(getenv("ProgramFiles(x86)")) {
2047: sprintf(path, "%s\\PuTTY\\putty.exe", getenv("ProgramFiles(x86)"));
2048: }
2049: return(path);
2050: }
2051:
2052: const char *debugger_get_telnet_path()
2053: {
2054: // NOTE: When you run 32bit version of msdos.exe on Windows x64,
2055: // C:\Windows\System32\telnet.exe is redirected to telnet.exe in SysWOW64.
2056: // But 32bit version of telnet.exe will not be installed in SysWOW64
2057: // and 64bit version of telnet.exe will be installed in System32.
2058: static char path[MAX_PATH] = {0};
2059:
2060: if(getenv("windir") != NULL) {
2061: sprintf(path, "%s\\System32\\telnet.exe", getenv("windir"));
2062: }
2063: return(path);
2064: }
2065:
2066: DWORD WINAPI debugger_thread(LPVOID)
2067: {
2068: WSADATA was_data;
2069: struct sockaddr_in svr_addr;
2070: struct sockaddr_in cli_addr;
2071: int cli_addr_len = sizeof(cli_addr);
2072: int port = 23;
2073: int bind_stat = SOCKET_ERROR;
2074: struct timeval timeout;
2075:
2076: WSAStartup(MAKEWORD(2,0), &was_data);
2077:
2078: if((svr_socket = socket(AF_INET, SOCK_STREAM, 0)) != INVALID_SOCKET) {
2079: memset(&svr_addr, 0, sizeof(svr_addr));
2080: svr_addr.sin_family = AF_INET;
2081: svr_addr.sin_addr.s_addr = htonl(INADDR_ANY);
2082:
2083: while(!m_halted && port < 10000) {
2084: svr_addr.sin_port = htons(port);
2085: if((bind_stat = bind(svr_socket, (struct sockaddr *)&svr_addr, sizeof(svr_addr))) == 0) {
2086: break;
2087: } else {
2088: port = (port == 23) ? 9000 : (port + 1);
2089: }
2090: }
2091: if(bind_stat == 0) {
2092: timeout.tv_sec = 1;
2093: timeout.tv_usec = 0;
1.1.1.45! root 2094: setsockopt(svr_socket, SOL_SOCKET, SO_RCVTIMEO, (char *)&timeout, sizeof(timeout));
1.1.1.33 root 2095:
2096: listen(svr_socket, 1);
2097:
2098: char command[MAX_PATH] = {0};
2099: STARTUPINFO si;
2100: PROCESS_INFORMATION pi;
2101:
2102: if(_access(debugger_get_ttermpro_path(), 0) == 0) {
2103: sprintf(command, "%s localhost:%d /T=1", debugger_get_ttermpro_path(), port);
2104: } else if(_access(debugger_get_ttermpro_x86_path(), 0) == 0) {
2105: sprintf(command, "%s localhost:%d /T=1", debugger_get_ttermpro_x86_path(), port);
2106: } else if(_access(debugger_get_putty_path(), 0) == 0) {
2107: sprintf(command, "%s -telnet localhost %d", debugger_get_putty_path(), port);
2108: } else if(_access(debugger_get_putty_x86_path(), 0) == 0) {
2109: sprintf(command, "%s -telnet localhost %d", debugger_get_putty_x86_path(), port);
2110: } else if(_access(debugger_get_telnet_path(), 0) == 0) {
2111: sprintf(command, "%s -t vt100 localhost %d", debugger_get_telnet_path(), port);
2112: }
2113: if(command[0] != '\0') {
2114: memset(&si, 0, sizeof(STARTUPINFO));
2115: memset(&pi, 0, sizeof(PROCESS_INFORMATION));
2116: CreateProcess(NULL, command, NULL, NULL, FALSE, CREATE_NEW_CONSOLE, NULL, NULL, &si, &pi);
2117: }
2118:
2119: while(!m_halted) {
2120: if((cli_socket = accept(svr_socket, (struct sockaddr *) &cli_addr, &cli_addr_len)) != INVALID_SOCKET) {
2121: u_long val = 1;
2122: ioctlsocket(cli_socket, FIONBIO, &val);
2123: debugger_main();
2124: }
2125: }
2126: }
2127: }
2128: WSACleanup();
2129: return(0);
2130: }
2131: #endif
2132:
2133: /* ----------------------------------------------------------------------------
1.1 root 2134: main
2135: ---------------------------------------------------------------------------- */
2136:
1.1.1.28 root 2137: BOOL WINAPI ctrl_handler(DWORD dwCtrlType)
2138: {
2139: if(dwCtrlType == CTRL_BREAK_EVENT) {
1.1.1.33 root 2140: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 2141: #ifdef USE_SERVICE_THREAD
2142: EnterCriticalSection(&key_buf_crit_sect);
2143: #endif
1.1.1.33 root 2144: key_buf_char->clear();
2145: key_buf_scan->clear();
1.1.1.35 root 2146: #ifdef USE_SERVICE_THREAD
2147: LeaveCriticalSection(&key_buf_crit_sect);
2148: #endif
1.1.1.33 root 2149: }
2150: // key_code = key_recv = 0;
1.1.1.28 root 2151: return TRUE;
2152: } else if(dwCtrlType == CTRL_C_EVENT) {
2153: return TRUE;
2154: } else if(dwCtrlType == CTRL_CLOSE_EVENT) {
2155: // this program will be terminated abnormally, do minimum end process
2156: exit_handler();
2157: exit(1);
2158: }
2159: return FALSE;
2160: }
2161:
2162: void exit_handler()
2163: {
2164: if(temp_file_created) {
2165: DeleteFile(temp_file_path);
2166: temp_file_created = false;
2167: }
2168: if(key_buf_char != NULL) {
2169: key_buf_char->release();
2170: delete key_buf_char;
2171: key_buf_char = NULL;
2172: }
2173: if(key_buf_scan != NULL) {
2174: key_buf_scan->release();
2175: delete key_buf_scan;
2176: key_buf_scan = NULL;
2177: }
1.1.1.32 root 2178: #ifdef SUPPORT_XMS
2179: msdos_xms_release();
2180: #endif
1.1.1.28 root 2181: hardware_release();
2182: }
2183:
1.1.1.35 root 2184: #ifdef USE_VRAM_THREAD
1.1.1.28 root 2185: DWORD WINAPI vram_thread(LPVOID)
2186: {
2187: while(!m_halted) {
2188: EnterCriticalSection(&vram_crit_sect);
2189: if(vram_length_char != 0 && vram_length_char == vram_last_length_char) {
2190: vram_flush_char();
2191: }
2192: if(vram_length_attr != 0 && vram_length_attr == vram_last_length_attr) {
2193: vram_flush_attr();
2194: }
2195: vram_last_length_char = vram_length_char;
2196: vram_last_length_attr = vram_length_attr;
2197: LeaveCriticalSection(&vram_crit_sect);
2198: // this is about half the maximum keyboard repeat rate - any
2199: // lower tends to be jerky, any higher misses updates
2200: Sleep(15);
2201: }
2202: return 0;
2203: }
2204: #endif
2205:
1.1.1.45! root 2206: long get_section_in_exec_file(FILE *fp, const char *name)
1.1.1.28 root 2207: {
2208: UINT8 header[0x400];
2209:
2210: long position = ftell(fp);
2211: fseek(fp, 0, SEEK_SET);
2212: fread(header, sizeof(header), 1, fp);
2213: fseek(fp, position, SEEK_SET);
2214:
2215: try {
2216: _IMAGE_DOS_HEADER *dosHeader = (_IMAGE_DOS_HEADER *)(header + 0);
2217: DWORD dwTopOfSignature = dosHeader->e_lfanew;
2218: DWORD dwTopOfCoffHeader = dwTopOfSignature + 4;
2219: _IMAGE_FILE_HEADER *coffHeader = (_IMAGE_FILE_HEADER *)(header + dwTopOfCoffHeader);
2220: DWORD dwTopOfOptionalHeader = dwTopOfCoffHeader + sizeof(_IMAGE_FILE_HEADER);
2221: DWORD dwTopOfFirstSectionHeader = dwTopOfOptionalHeader + coffHeader->SizeOfOptionalHeader;
2222:
2223: for(int i = 0; i < coffHeader->NumberOfSections; i++) {
2224: _IMAGE_SECTION_HEADER *sectionHeader = (_IMAGE_SECTION_HEADER *)(header + dwTopOfFirstSectionHeader + IMAGE_SIZEOF_SECTION_HEADER * i);
2225: if(memcmp(sectionHeader->Name, name, strlen(name)) == 0) {
2226: return(sectionHeader->PointerToRawData);
2227: }
2228: }
2229: } catch(...) {
2230: }
2231: return(0);
2232: }
2233:
1.1.1.10 root 2234: bool is_started_from_command_prompt()
2235: {
1.1.1.18 root 2236: bool ret = false;
2237:
2238: HMODULE hLibrary = LoadLibrary(_T("Kernel32.dll"));
2239: if(hLibrary) {
2240: typedef DWORD (WINAPI *GetConsoleProcessListFunction)(__out LPDWORD lpdwProcessList, __in DWORD dwProcessCount);
2241: GetConsoleProcessListFunction lpfnGetConsoleProcessList;
2242: lpfnGetConsoleProcessList = reinterpret_cast<GetConsoleProcessListFunction>(::GetProcAddress(hLibrary, "GetConsoleProcessList"));
2243: if(lpfnGetConsoleProcessList) {
2244: DWORD pl;
2245: ret = (lpfnGetConsoleProcessList(&pl, 1) > 1);
2246: FreeLibrary(hLibrary);
2247: return(ret);
2248: }
2249: FreeLibrary(hLibrary);
2250: }
2251:
2252: HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
2253: if(hSnapshot != INVALID_HANDLE_VALUE) {
2254: DWORD dwParentProcessID = 0;
2255: PROCESSENTRY32 pe32;
2256: pe32.dwSize = sizeof(PROCESSENTRY32);
2257: if(Process32First(hSnapshot, &pe32)) {
2258: do {
2259: if(pe32.th32ProcessID == GetCurrentProcessId()) {
2260: dwParentProcessID = pe32.th32ParentProcessID;
2261: break;
2262: }
2263: } while(Process32Next(hSnapshot, &pe32));
2264: }
2265: CloseHandle(hSnapshot);
2266: if(dwParentProcessID != 0) {
2267: HANDLE hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, dwParentProcessID);
2268: if(hProcess != NULL) {
2269: HMODULE hMod;
2270: DWORD cbNeeded;
2271: if(EnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) {
2272: char module_name[MAX_PATH];
2273: if(GetModuleBaseName(hProcess, hMod, module_name, sizeof(module_name))) {
2274: ret = (_strnicmp(module_name, "cmd.exe", 7) == 0);
2275: }
2276: }
2277: CloseHandle(hProcess);
2278: }
2279: }
2280: }
2281: return(ret);
1.1.1.14 root 2282: }
2283:
2284: BOOL is_greater_windows_version(DWORD dwMajorVersion, DWORD dwMinorVersion, WORD wServicePackMajor, WORD wServicePackMinor)
2285: {
1.1.1.24 root 2286: // https://msdn.microsoft.com/en-us/library/windows/desktop/ms725491(v=vs.85).aspx
1.1.1.14 root 2287: OSVERSIONINFOEX osvi;
2288: DWORDLONG dwlConditionMask = 0;
2289: int op = VER_GREATER_EQUAL;
2290:
2291: // Initialize the OSVERSIONINFOEX structure.
2292: ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
2293: osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
2294: osvi.dwMajorVersion = dwMajorVersion;
2295: osvi.dwMinorVersion = dwMinorVersion;
2296: osvi.wServicePackMajor = wServicePackMajor;
2297: osvi.wServicePackMinor = wServicePackMinor;
2298:
2299: // Initialize the condition mask.
2300: VER_SET_CONDITION( dwlConditionMask, VER_MAJORVERSION, op );
2301: VER_SET_CONDITION( dwlConditionMask, VER_MINORVERSION, op );
2302: VER_SET_CONDITION( dwlConditionMask, VER_SERVICEPACKMAJOR, op );
2303: VER_SET_CONDITION( dwlConditionMask, VER_SERVICEPACKMINOR, op );
2304:
2305: // Perform the test.
2306: return VerifyVersionInfo(&osvi, VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR, dwlConditionMask);
2307: }
2308:
1.1.1.27 root 2309: void get_sio_port_numbers()
2310: {
2311: SP_DEVINFO_DATA DeviceInfoData = {sizeof(SP_DEVINFO_DATA)};
2312: HDEVINFO hDevInfo = 0;
2313: HKEY hKey = 0;
2314: if((hDevInfo = SetupDiGetClassDevs(&GUID_DEVINTERFACE_COMPORT, NULL, NULL, (DIGCF_PRESENT | DIGCF_DEVICEINTERFACE))) != 0) {
2315: for(int i = 0; SetupDiEnumDeviceInfo(hDevInfo, i, &DeviceInfoData); i++) {
2316: if((hKey = SetupDiOpenDevRegKey(hDevInfo, &DeviceInfoData, DICS_FLAG_GLOBAL, 0, DIREG_DEV, KEY_QUERY_VALUE)) != INVALID_HANDLE_VALUE) {
2317: char chData[256];
2318: DWORD dwType = 0;
2319: DWORD dwSize = sizeof(chData);
2320: int port_number = 0;
2321:
2322: if(RegQueryValueEx(hKey, _T("PortName"), NULL, &dwType, (BYTE *)chData, &dwSize) == ERROR_SUCCESS) {
2323: if(_strnicmp(chData, "COM", 3) == 0) {
2324: port_number = atoi(chData + 3);
2325: }
2326: }
2327: RegCloseKey(hKey);
2328:
1.1.1.29 root 2329: 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 2330: continue;
2331: }
2332: if(sio_port_number[0] == 0) {
2333: sio_port_number[0] = port_number;
2334: } else if(sio_port_number[1] == 0) {
2335: sio_port_number[1] = port_number;
1.1.1.29 root 2336: } else if(sio_port_number[2] == 0) {
2337: sio_port_number[2] = port_number;
2338: } else if(sio_port_number[3] == 0) {
2339: sio_port_number[3] = port_number;
1.1.1.27 root 2340: }
1.1.1.29 root 2341: 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 2342: break;
2343: }
2344: }
2345: }
2346: }
2347: }
2348:
1.1.1.28 root 2349: #define IS_NUMERIC(c) ((c) >= '0' && (c) <= '9')
2350:
1.1 root 2351: int main(int argc, char *argv[], char *envp[])
2352: {
1.1.1.9 root 2353: int arg_offset = 0;
2354: int standard_env = 0;
1.1.1.14 root 2355: int buf_width = 0, buf_height = 0;
1.1.1.28 root 2356: bool get_console_info_success = false;
2357: bool screen_size_changed = false;
2358:
2359: _TCHAR path[MAX_PATH], full[MAX_PATH], *name = NULL;
2360: GetModuleFileName(NULL, path, MAX_PATH);
2361: GetFullPathName(path, MAX_PATH, full, &name);
1.1 root 2362:
1.1.1.27 root 2363: char dummy_argv_0[] = "msdos.exe";
2364: char dummy_argv_1[MAX_PATH];
2365: char *dummy_argv[256] = {dummy_argv_0, dummy_argv_1, 0};
2366: char new_exec_file[MAX_PATH];
2367: bool convert_cmd_file = false;
1.1.1.28 root 2368: unsigned int code_page = 0;
1.1.1.27 root 2369:
2370: if(name != NULL && stricmp(name, "msdos.exe") != 0) {
1.1.1.28 root 2371: // check if command file is embedded to this execution file
2372: // if this execution file name is msdos.exe, don't check
1.1.1.27 root 2373: FILE* fp = fopen(full, "rb");
1.1.1.28 root 2374: long offset = get_section_in_exec_file(fp, ".msdos");
2375: if(offset != 0) {
1.1.1.30 root 2376: UINT8 buffer[16];
1.1.1.28 root 2377: fseek(fp, offset, SEEK_SET);
2378: fread(buffer, sizeof(buffer), 1, fp);
2379:
2380: // restore flags
2381: stay_busy = ((buffer[0] & 0x01) != 0);
2382: no_windows = ((buffer[0] & 0x02) != 0);
2383: standard_env = ((buffer[0] & 0x04) != 0);
2384: ignore_illegal_insn = ((buffer[0] & 0x08) != 0);
2385: limit_max_memory = ((buffer[0] & 0x10) != 0);
2386: if((buffer[0] & 0x20) != 0) {
2387: get_sio_port_numbers();
2388: }
2389: if((buffer[0] & 0x40) != 0) {
2390: UMB_TOP = EMS_TOP + EMS_SIZE;
2391: support_ems = true;
1.1.1.30 root 2392: }
1.1.1.27 root 2393: #ifdef SUPPORT_XMS
1.1.1.30 root 2394: if((buffer[0] & 0x80) != 0) {
1.1.1.28 root 2395: support_xms = true;
2396: }
1.1.1.30 root 2397: #endif
1.1.1.28 root 2398: if((buffer[1] != 0 || buffer[2] != 0) && (buffer[3] != 0 || buffer[4] != 0)) {
2399: buf_width = buffer[1] | (buffer[2] << 8);
2400: buf_height = buffer[3] | (buffer[4] << 8);
2401: }
2402: if(buffer[5] != 0) {
1.1.1.30 root 2403: dos_major_version = buffer[5];
2404: dos_minor_version = buffer[6];
2405: }
2406: if(buffer[7] != 0) {
2407: win_major_version = buffer[7];
2408: win_minor_version = buffer[8];
1.1.1.28 root 2409: }
1.1.1.30 root 2410: if((code_page = buffer[9] | (buffer[10] << 8)) != 0) {
1.1.1.28 root 2411: SetConsoleCP(code_page);
2412: SetConsoleOutputCP(code_page);
2413: }
1.1.1.30 root 2414: int name_len = buffer[11];
2415: int file_len = buffer[12] | (buffer[13] << 8) | (buffer[14] << 16) | (buffer[15] << 24);
1.1.1.28 root 2416:
2417: // restore command file name
2418: memset(dummy_argv_1, 0, sizeof(dummy_argv_1));
2419: fread(dummy_argv_1, name_len, 1, fp);
2420:
2421: if(name_len != 0 && _access(dummy_argv_1, 0) == 0) {
2422: // if original command file exists, create a temporary file name
2423: if(GetTempFileName(_T("."), _T("DOS"), 0, dummy_argv_1) != 0) {
2424: // create a temporary command file in the current director
2425: DeleteFile(dummy_argv_1);
1.1.1.27 root 2426: } else {
1.1.1.28 root 2427: // create a temporary command file in the temporary folder
2428: GetTempPath(MAX_PATH, path);
2429: if(GetTempFileName(path, _T("DOS"), 0, dummy_argv_1) != 0) {
2430: DeleteFile(dummy_argv_1);
2431: } else {
2432: sprintf(dummy_argv_1, "%s$DOSPRG$.TMP", path);
2433: }
1.1.1.27 root 2434: }
1.1.1.28 root 2435: // check the command file type
2436: fread(buffer, 2, 1, fp);
2437: fseek(fp, -2, SEEK_CUR);
2438: if(memcmp(buffer, "MZ", 2) != 0) {
2439: memcpy(dummy_argv_1 + strlen(dummy_argv_1) - 4, ".COM", 4);
2440: } else {
2441: memcpy(dummy_argv_1 + strlen(dummy_argv_1) - 4, ".EXE", 4);
1.1.1.27 root 2442: }
2443: }
1.1.1.28 root 2444:
2445: // restore command file
2446: FILE* fo = fopen(dummy_argv_1, "wb");
2447: for(int i = 0; i < file_len; i++) {
2448: fputc(fgetc(fp), fo);
2449: }
2450: fclose(fo);
2451:
2452: GetFullPathName(dummy_argv_1, MAX_PATH, temp_file_path, NULL);
2453: temp_file_created = true;
2454: SetFileAttributes(temp_file_path, FILE_ATTRIBUTE_HIDDEN);
2455:
2456: // adjust argc/argv
2457: for(int i = 1; i < argc && (i + 1) < 256; i++) {
2458: dummy_argv[i + 1] = argv[i];
2459: }
2460: argc++;
2461: argv = dummy_argv;
1.1.1.27 root 2462: }
2463: fclose(fp);
2464: }
1.1.1.9 root 2465: for(int i = 1; i < argc; i++) {
1.1.1.25 root 2466: if(_strnicmp(argv[i], "-b", 2) == 0) {
2467: stay_busy = true;
2468: arg_offset++;
1.1.1.27 root 2469: } else if(_strnicmp(argv[i], "-c", 2) == 0) {
2470: if(argv[i][2] != '\0') {
2471: strcpy(new_exec_file, &argv[i][2]);
2472: } else {
2473: strcpy(new_exec_file, "new_exec_file.exe");
2474: }
2475: convert_cmd_file = true;
2476: arg_offset++;
1.1.1.28 root 2477: } else if(_strnicmp(argv[i], "-p", 2) == 0) {
2478: if(IS_NUMERIC(argv[i][2])) {
2479: code_page = atoi(&argv[i][2]);
2480: } else {
2481: code_page = GetConsoleCP();
2482: }
2483: arg_offset++;
1.1.1.25 root 2484: } else if(_strnicmp(argv[i], "-d", 2) == 0) {
2485: no_windows = true;
2486: arg_offset++;
2487: } else if(_strnicmp(argv[i], "-e", 2) == 0) {
1.1.1.9 root 2488: standard_env = 1;
2489: arg_offset++;
1.1.1.14 root 2490: } else if(_strnicmp(argv[i], "-i", 2) == 0) {
2491: ignore_illegal_insn = true;
2492: arg_offset++;
2493: } else if(_strnicmp(argv[i], "-m", 2) == 0) {
2494: limit_max_memory = true;
2495: arg_offset++;
2496: } else if(_strnicmp(argv[i], "-n", 2) == 0) {
1.1.1.17 root 2497: if(sscanf(argv[1] + 2, "%d,%d", &buf_height, &buf_width) != 2) {
2498: buf_width = buf_height = 0;
2499: }
2500: if(buf_width <= 0 || buf_width > 0x7fff) {
2501: buf_width = 80;
2502: }
2503: if(buf_height <= 0 || buf_height > 0x7fff) {
2504: buf_height = 25;
2505: }
1.1.1.14 root 2506: arg_offset++;
1.1.1.25 root 2507: } else if(_strnicmp(argv[i], "-s", 2) == 0) {
1.1.1.28 root 2508: if(IS_NUMERIC(argv[i][2])) {
1.1.1.29 root 2509: char *p0 = &argv[i][2], *p1, *p2, *p3;
2510: if((p1 = strchr(p0, ',')) != NULL && IS_NUMERIC(p1[1])) {
2511: sio_port_number[1] = atoi(p1 + 1);
2512: if((p2 = strchr(p1, ',')) != NULL && IS_NUMERIC(p2[1])) {
2513: sio_port_number[2] = atoi(p2 + 1);
2514: if((p3 = strchr(p2, ',')) != NULL && IS_NUMERIC(p3[1])) {
2515: sio_port_number[3] = atoi(p3 + 1);
2516: }
2517: }
1.1.1.25 root 2518: }
1.1.1.29 root 2519: sio_port_number[0] = atoi(p0);
1.1.1.25 root 2520: }
1.1.1.29 root 2521: 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 2522: get_sio_port_numbers();
1.1.1.25 root 2523: }
2524: arg_offset++;
1.1.1.9 root 2525: } else if(_strnicmp(argv[i], "-v", 2) == 0) {
1.1.1.17 root 2526: 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 2527: dos_major_version = argv[i][2] - '0';
2528: dos_minor_version = (argv[i][4] - '0') * 10 + (argv[i][5] ? (argv[i][5] - '0') : 0);
2529: }
2530: arg_offset++;
2531: } else if(_strnicmp(argv[i], "-w", 2) == 0) {
2532: 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]))) {
2533: win_major_version = argv[i][2] - '0';
2534: win_minor_version = (argv[i][4] - '0') * 10 + (argv[i][5] ? (argv[i][5] - '0') : 0);
1.1.1.9 root 2535: }
2536: arg_offset++;
1.1.1.25 root 2537: } else if(_strnicmp(argv[i], "-x", 2) == 0) {
2538: UMB_TOP = EMS_TOP + EMS_SIZE;
2539: support_ems = true;
2540: #ifdef SUPPORT_XMS
2541: support_xms = true;
2542: #endif
2543: arg_offset++;
1.1.1.9 root 2544: } else {
2545: break;
2546: }
2547: }
2548: if(argc < 2 + arg_offset) {
1.1 root 2549: #ifdef _WIN64
1.1.1.14 root 2550: fprintf(stderr, "MS-DOS Player (" CPU_MODEL_NAME(CPU_MODEL) ") for Win32-x64 console\n\n");
1.1 root 2551: #else
1.1.1.14 root 2552: fprintf(stderr, "MS-DOS Player (" CPU_MODEL_NAME(CPU_MODEL) ") for Win32 console\n\n");
1.1 root 2553: #endif
1.1.1.25 root 2554: fprintf(stderr,
1.1.1.28 root 2555: "Usage: MSDOS [-b] [-c[(new exec file)] [-p[P]]] [-d] [-e] [-i] [-m] [-n[L[,C]]]\n"
1.1.1.30 root 2556: " [-s[P1[,P2[,P3[,P4]]]]] [-vX.XX] [-wX.XX] [-x] (command) [options]\n"
1.1.1.25 root 2557: "\n"
2558: "\t-b\tstay busy during keyboard polling\n"
1.1.1.28 root 2559: #ifdef _WIN64
1.1.1.27 root 2560: "\t-c\tconvert command file to 64bit execution file\n"
1.1.1.28 root 2561: #else
1.1.1.27 root 2562: "\t-c\tconvert command file to 32bit execution file\n"
2563: #endif
1.1.1.28 root 2564: "\t-p\trecord current code page when convert command file\n"
1.1.1.25 root 2565: "\t-d\tpretend running under straight DOS, not Windows\n"
2566: "\t-e\tuse a reduced environment block\n"
2567: "\t-i\tignore invalid instructions\n"
2568: "\t-m\trestrict free memory to 0x7FFF paragraphs\n"
2569: "\t-n\tcreate a new buffer (25 lines, 80 columns by default)\n"
2570: "\t-s\tenable serial I/O and set host's COM port numbers\n"
2571: "\t-v\tset the DOS version\n"
1.1.1.30 root 2572: "\t-w\tset the Windows version\n"
1.1.1.19 root 2573: #ifdef SUPPORT_XMS
1.1.1.28 root 2574: "\t-x\tenable XMS and LIM EMS\n"
1.1.1.19 root 2575: #else
1.1.1.28 root 2576: "\t-x\tenable LIM EMS\n"
1.1.1.19 root 2577: #endif
2578: );
1.1.1.10 root 2579:
2580: if(!is_started_from_command_prompt()) {
2581: fprintf(stderr, "\nStart this program from a command prompt!\n\nHit any key to quit...");
2582: while(!_kbhit()) {
2583: Sleep(10);
2584: }
2585: }
1.1.1.20 root 2586: #ifdef _DEBUG
2587: _CrtDumpMemoryLeaks();
2588: #endif
1.1 root 2589: return(EXIT_FAILURE);
2590: }
1.1.1.27 root 2591: if(convert_cmd_file) {
2592: retval = EXIT_FAILURE;
1.1.1.28 root 2593: if(name != NULL/* && stricmp(name, "msdos.exe") == 0*/) {
1.1.1.27 root 2594: FILE *fp = NULL, *fs = NULL, *fo = NULL;
1.1.1.28 root 2595: int len = strlen(argv[arg_offset + 1]), data;
1.1.1.27 root 2596:
1.1.1.28 root 2597: if(!(len > 4 && (stricmp(argv[arg_offset + 1] + len - 4, ".COM") == 0 || stricmp(argv[arg_offset + 1] + len - 4, ".EXE") == 0))) {
2598: fprintf(stderr, "Specify command file with extenstion (.COM or .EXE)\n");
2599: } else if((fp = fopen(full, "rb")) == NULL) {
2600: fprintf(stderr, "Can't open '%s'\n", name);
1.1.1.27 root 2601: } else {
1.1.1.28 root 2602: long offset = get_section_in_exec_file(fp, ".msdos");
2603: if(offset != 0) {
2604: UINT8 buffer[14];
2605: fseek(fp, offset, SEEK_SET);
2606: fread(buffer, sizeof(buffer), 1, fp);
2607: memset(path, 0, sizeof(path));
2608: fread(path, buffer[9], 1, fp);
2609: fprintf(stderr, "Command file '%s' was already embedded to '%s'\n", path, name);
2610: } else if((fs = fopen(argv[arg_offset + 1], "rb")) == NULL) {
2611: fprintf(stderr, "Can't open '%s'\n", argv[arg_offset + 1]);
2612: } else if((fo = fopen(new_exec_file, "wb")) == NULL) {
2613: fprintf(stderr, "Can't open '%s'\n", new_exec_file);
2614: } else {
2615: // read pe header of msdos.exe
2616: UINT8 header[0x400];
2617: fseek(fp, 0, SEEK_SET);
2618: fread(header, sizeof(header), 1, fp);
2619:
2620: _IMAGE_DOS_HEADER *dosHeader = (_IMAGE_DOS_HEADER *)(header + 0);
2621: DWORD dwTopOfSignature = dosHeader->e_lfanew;
2622: DWORD dwTopOfCoffHeader = dwTopOfSignature + 4;
2623: _IMAGE_FILE_HEADER *coffHeader = (_IMAGE_FILE_HEADER *)(header + dwTopOfCoffHeader);
2624: DWORD dwTopOfOptionalHeader = dwTopOfCoffHeader + sizeof(_IMAGE_FILE_HEADER);
2625: _IMAGE_OPTIONAL_HEADER *optionalHeader = (_IMAGE_OPTIONAL_HEADER *)(header + dwTopOfOptionalHeader);
2626: DWORD dwTopOfFirstSectionHeader = dwTopOfOptionalHeader + coffHeader->SizeOfOptionalHeader;
2627:
2628: _IMAGE_SECTION_HEADER *lastSectionHeader = (_IMAGE_SECTION_HEADER *)(header + dwTopOfFirstSectionHeader + IMAGE_SIZEOF_SECTION_HEADER * (coffHeader->NumberOfSections - 1));
2629: DWORD dwEndOfFile = lastSectionHeader->PointerToRawData + lastSectionHeader->SizeOfRawData;
2630: DWORD dwLastSectionSize = lastSectionHeader->SizeOfRawData;
2631: DWORD dwExtraLastSectionBytes = dwLastSectionSize % optionalHeader->SectionAlignment;
2632: if(dwExtraLastSectionBytes != 0) {
2633: DWORD dwRemain = optionalHeader->SectionAlignment - dwExtraLastSectionBytes;
2634: dwLastSectionSize += dwRemain;
2635: }
2636: DWORD dwVirtualAddress = lastSectionHeader->VirtualAddress + dwLastSectionSize;
2637:
2638: // store msdos.exe
2639: fseek(fp, 0, SEEK_SET);
2640: for(int i = 0; i < dwEndOfFile; i++) {
2641: if((data = fgetc(fp)) != EOF) {
2642: fputc(data, fo);
2643: } else {
2644: // we should not reach here :-(
2645: fputc(0, fo);
2646: }
2647: }
2648:
2649: // store options
2650: UINT8 flags = 0;
2651: if(stay_busy) {
2652: flags |= 0x01;
2653: }
2654: if(no_windows) {
2655: flags |= 0x02;
2656: }
2657: if(standard_env) {
2658: flags |= 0x04;
2659: }
2660: if(ignore_illegal_insn) {
2661: flags |= 0x08;
2662: }
2663: if(limit_max_memory) {
2664: flags |= 0x10;
2665: }
1.1.1.29 root 2666: 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 2667: flags |= 0x20;
2668: }
2669: if(support_ems) {
2670: flags |= 0x40;
2671: }
1.1.1.30 root 2672: #ifdef SUPPORT_XMS
2673: if(support_xms) {
2674: flags |= 0x80;
2675: }
2676: #endif
1.1.1.28 root 2677:
2678: fputc(flags, fo);
2679: fputc((buf_width >> 0) & 0xff, fo);
2680: fputc((buf_width >> 8) & 0xff, fo);
2681: fputc((buf_height >> 0) & 0xff, fo);
2682: fputc((buf_height >> 8) & 0xff, fo);
1.1.1.30 root 2683: fputc(dos_major_version, fo);
2684: fputc(dos_minor_version, fo);
2685: fputc(win_major_version, fo);
2686: fputc(win_minor_version, fo);
1.1.1.28 root 2687: fputc((code_page >> 0) & 0xff, fo);
2688: fputc((code_page >> 8) & 0xff, fo);
2689:
2690: // store command file info
2691: GetFullPathName(argv[arg_offset + 1], MAX_PATH, full, &name);
2692: int name_len = strlen(name);
2693: fseek(fs, 0, SEEK_END);
2694: long file_size = ftell(fs);
2695:
2696: fputc(name_len, fo);
2697: fputc((file_size >> 0) & 0xff, fo);
2698: fputc((file_size >> 8) & 0xff, fo);
2699: fputc((file_size >> 16) & 0xff, fo);
2700: fputc((file_size >> 24) & 0xff, fo);
2701: fwrite(name, name_len, 1, fo);
2702:
2703: // store command file
2704: fseek(fs, 0, SEEK_SET);
2705: for(int i = 0; i < file_size; i++) {
2706: if((data = fgetc(fs)) != EOF) {
2707: fputc(data, fo);
2708: } else {
2709: // we should not reach here :-(
2710: fputc(0, fo);
2711: }
2712: }
2713:
2714: // store padding data and update pe header
1.1.1.29 root 2715: _IMAGE_SECTION_HEADER *newSectionHeader = (_IMAGE_SECTION_HEADER *)(header + dwTopOfFirstSectionHeader + IMAGE_SIZEOF_SECTION_HEADER * coffHeader->NumberOfSections);
2716: coffHeader->NumberOfSections++;
2717: memset(newSectionHeader, 0, IMAGE_SIZEOF_SECTION_HEADER);
2718: memcpy(newSectionHeader->Name, ".msdos", 6);
2719: newSectionHeader->VirtualAddress = dwVirtualAddress;
2720: newSectionHeader->PointerToRawData = dwEndOfFile;
2721: newSectionHeader->Characteristics = IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_DISCARDABLE;
1.1.1.28 root 2722: newSectionHeader->SizeOfRawData = 14 + name_len + file_size;
2723: DWORD dwExtraRawBytes = newSectionHeader->SizeOfRawData % optionalHeader->FileAlignment;
2724: if(dwExtraRawBytes != 0) {
1.1.1.29 root 2725: static const char padding[] = "PADDINGXXPADDING";
1.1.1.28 root 2726: DWORD dwRemain = optionalHeader->FileAlignment - dwExtraRawBytes;
2727: for(int i = 0; i < dwRemain; i++) {
1.1.1.29 root 2728: if(i < 2) {
2729: fputc(padding[i & 15], fo);
2730: } else {
2731: fputc(padding[(i - 2) & 15], fo);
2732: }
1.1.1.28 root 2733: }
2734: newSectionHeader->SizeOfRawData += dwRemain;
2735: }
2736: newSectionHeader->Misc.VirtualSize = newSectionHeader->SizeOfRawData;
2737:
2738: DWORD dwNewSectionSize = newSectionHeader->SizeOfRawData;
2739: DWORD dwExtraNewSectionBytes = dwNewSectionSize % optionalHeader->SectionAlignment;
2740: if(dwExtraNewSectionBytes != 0) {
2741: DWORD dwRemain = optionalHeader->SectionAlignment - dwExtraNewSectionBytes;
2742: dwNewSectionSize += dwRemain;
2743: }
2744: optionalHeader->SizeOfImage += dwNewSectionSize;
2745:
2746: fseek(fo, 0, SEEK_SET);
2747: fwrite(header, sizeof(header), 1, fo);
2748:
2749: fprintf(stderr, "'%s' is successfully created\n", new_exec_file);
2750: retval = EXIT_SUCCESS;
1.1.1.27 root 2751: }
2752: }
2753: if(fp != NULL) {
2754: fclose(fp);
2755: }
2756: if(fs != NULL) {
2757: fclose(fs);
2758: }
2759: if(fo != NULL) {
2760: fclose(fo);
2761: }
2762: }
2763: #ifdef _DEBUG
2764: _CrtDumpMemoryLeaks();
2765: #endif
2766: return(retval);
2767: }
1.1 root 2768:
1.1.1.14 root 2769: is_vista_or_later = is_greater_windows_version(6, 0, 0, 0);
2770:
1.1.1.23 root 2771: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 2772: CONSOLE_SCREEN_BUFFER_INFO csbi;
1.1.1.14 root 2773: CONSOLE_CURSOR_INFO ci;
1.1.1.23 root 2774:
1.1.1.28 root 2775: get_console_info_success = (GetConsoleScreenBufferInfo(hStdout, &csbi) != 0);
1.1.1.14 root 2776: GetConsoleCursorInfo(hStdout, &ci);
1.1.1.24 root 2777: GetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), &dwConsoleMode);
1.1 root 2778:
1.1.1.14 root 2779: for(int y = 0; y < SCR_BUF_WIDTH; y++) {
2780: for(int x = 0; x < SCR_BUF_HEIGHT; x++) {
2781: SCR_BUF(y,x).Char.AsciiChar = ' ';
2782: SCR_BUF(y,x).Attributes = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
1.1 root 2783: }
2784: }
1.1.1.28 root 2785: if(get_console_info_success) {
1.1.1.12 root 2786: scr_width = csbi.dwSize.X;
1.1.1.14 root 2787: scr_height = csbi.srWindow.Bottom - csbi.srWindow.Top + 1;
2788:
1.1.1.28 root 2789: // v-text shadow buffer size must be lesser than 0x7fd0
2790: if((scr_width > SCR_BUF_WIDTH) || (scr_height > SCR_BUF_HEIGHT) || (scr_width * scr_height * 2 > 0x7fd0) ||
1.1.1.14 root 2791: (buf_width != 0 && buf_width != scr_width) || (buf_height != 0 && buf_height != scr_height)) {
2792: scr_width = min(buf_width != 0 ? buf_width : scr_width, SCR_BUF_WIDTH);
2793: scr_height = min(buf_height != 0 ? buf_height : scr_height, SCR_BUF_HEIGHT);
1.1.1.28 root 2794: if(scr_width * scr_height * 2 > 0x7fd0) {
1.1.1.14 root 2795: scr_width = 80;
2796: scr_height = 25;
2797: }
1.1.1.28 root 2798: screen_size_changed = true;
1.1.1.14 root 2799: }
1.1.1.12 root 2800: } else {
2801: // for a proof (not a console)
2802: scr_width = 80;
2803: scr_height = 25;
2804: }
1.1.1.14 root 2805: scr_buf_size.X = scr_width;
2806: scr_buf_size.Y = scr_height;
2807: scr_buf_pos.X = scr_buf_pos.Y = 0;
2808: scr_top = csbi.srWindow.Top;
1.1 root 2809: cursor_moved = false;
2810:
1.1.1.35 root 2811: #ifdef USE_SERVICE_THREAD
2812: InitializeCriticalSection(&input_crit_sect);
2813: InitializeCriticalSection(&key_buf_crit_sect);
2814: InitializeCriticalSection(&putch_crit_sect);
2815: #endif
1.1.1.25 root 2816: key_buf_char = new FIFO(256);
2817: key_buf_scan = new FIFO(256);
1.1 root 2818:
2819: hardware_init();
2820:
1.1.1.33 root 2821: #ifdef USE_DEBUGGER
2822: debugger_init();
2823: #endif
2824:
1.1.1.9 root 2825: if(msdos_init(argc - (arg_offset + 1), argv + (arg_offset + 1), envp, standard_env)) {
1.1 root 2826: retval = EXIT_FAILURE;
2827: } else {
1.1.1.27 root 2828: #if defined(_MSC_VER) && (_MSC_VER >= 1400)
1.1.1.14 root 2829: _set_invalid_parameter_handler((_invalid_parameter_handler)ignore_invalid_parameters);
2830: #endif
2831: SetConsoleCtrlHandler(ctrl_handler, TRUE);
2832:
1.1.1.28 root 2833: if(screen_size_changed) {
1.1.1.24 root 2834: change_console_size(scr_width, scr_height);
2835: }
1.1.1.8 root 2836: TIMECAPS caps;
2837: timeGetDevCaps(&caps, sizeof(TIMECAPS));
2838: timeBeginPeriod(caps.wPeriodMin);
1.1.1.35 root 2839: #ifdef USE_VRAM_THREAD
1.1.1.14 root 2840: InitializeCriticalSection(&vram_crit_sect);
2841: CloseHandle(CreateThread(NULL, 4096, vram_thread, NULL, 0, NULL));
2842: #endif
1.1.1.33 root 2843: #ifdef USE_DEBUGGER
2844: CloseHandle(CreateThread(NULL, 0, debugger_thread, NULL, 0, NULL));
2845: // wait until telnet client starts and connects to me
2846: if(_access(debugger_get_ttermpro_path(), 0) == 0 ||
2847: _access(debugger_get_ttermpro_x86_path(), 0) == 0 ||
2848: _access(debugger_get_putty_path(), 0) == 0 ||
2849: _access(debugger_get_putty_x86_path(), 0) == 0 ||
2850: _access(debugger_get_telnet_path(), 0) == 0) {
2851: for(int i = 0; i < 100 && cli_socket == 0; i++) {
2852: Sleep(100);
2853: }
2854: }
2855: #endif
1.1 root 2856: hardware_run();
1.1.1.35 root 2857: #ifdef USE_VRAM_THREAD
1.1.1.14 root 2858: vram_flush();
2859: DeleteCriticalSection(&vram_crit_sect);
2860: #endif
1.1.1.24 root 2861: timeEndPeriod(caps.wPeriodMin);
1.1.1.14 root 2862:
1.1.1.24 root 2863: // hStdin/hStdout (and all handles) will be closed in msdos_finish()...
1.1.1.28 root 2864: if(get_console_info_success) {
1.1.1.23 root 2865: hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.12 root 2866: if(restore_console_on_exit) {
1.1.1.14 root 2867: // window can't be bigger than buffer,
2868: // buffer can't be smaller than window,
2869: // so make a tiny window,
2870: // set the required buffer,
2871: // then set the required window
2872: SMALL_RECT rect;
2873: SET_RECT(rect, 0, csbi.srWindow.Top, 0, csbi.srWindow.Top);
2874: SetConsoleWindowInfo(hStdout, TRUE, &rect);
1.1.1.12 root 2875: SetConsoleScreenBufferSize(hStdout, csbi.dwSize);
1.1.1.14 root 2876: SET_RECT(rect, 0, 0, csbi.srWindow.Right - csbi.srWindow.Left, csbi.srWindow.Bottom - csbi.srWindow.Top);
1.1.1.12 root 2877: SetConsoleWindowInfo(hStdout, TRUE, &rect);
2878: }
1.1.1.14 root 2879: SetConsoleTextAttribute(hStdout, csbi.wAttributes);
2880: SetConsoleCursorInfo(hStdout, &ci);
1.1.1.12 root 2881: }
1.1.1.24 root 2882: SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), dwConsoleMode);
2883:
1.1 root 2884: msdos_finish();
1.1.1.14 root 2885:
2886: SetConsoleCtrlHandler(ctrl_handler, FALSE);
1.1 root 2887: }
1.1.1.35 root 2888: if(temp_file_created) {
2889: DeleteFile(temp_file_path);
2890: temp_file_created = false;
2891: }
1.1.1.10 root 2892: hardware_finish();
2893:
1.1.1.28 root 2894: if(key_buf_char != NULL) {
2895: key_buf_char->release();
2896: delete key_buf_char;
2897: key_buf_char = NULL;
2898: }
2899: if(key_buf_scan != NULL) {
2900: key_buf_scan->release();
2901: delete key_buf_scan;
2902: key_buf_scan = NULL;
2903: }
1.1.1.35 root 2904: #ifdef USE_SERVICE_THREAD
2905: DeleteCriticalSection(&input_crit_sect);
2906: DeleteCriticalSection(&key_buf_crit_sect);
2907: DeleteCriticalSection(&putch_crit_sect);
2908: #endif
1.1.1.20 root 2909: #ifdef _DEBUG
2910: _CrtDumpMemoryLeaks();
2911: #endif
1.1 root 2912: return(retval);
2913: }
2914:
1.1.1.20 root 2915: /* ----------------------------------------------------------------------------
2916: console
2917: ---------------------------------------------------------------------------- */
2918:
1.1.1.14 root 2919: void change_console_size(int width, int height)
1.1.1.12 root 2920: {
1.1.1.23 root 2921: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.12 root 2922: CONSOLE_SCREEN_BUFFER_INFO csbi;
2923: SMALL_RECT rect;
2924: COORD co;
2925:
2926: GetConsoleScreenBufferInfo(hStdout, &csbi);
1.1.1.14 root 2927: if(csbi.srWindow.Top != 0 || csbi.dwCursorPosition.Y > height - 1) {
2928: if(csbi.srWindow.Right - csbi.srWindow.Left + 1 == width && csbi.srWindow.Bottom - csbi.srWindow.Top + 1 == height) {
2929: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &csbi.srWindow);
2930: SET_RECT(rect, 0, 0, width - 1, height - 1);
2931: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
2932: } else if(csbi.dwCursorPosition.Y > height - 1) {
2933: SET_RECT(rect, 0, csbi.dwCursorPosition.Y - (height - 1), width - 1, csbi.dwCursorPosition.Y);
2934: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
2935: SET_RECT(rect, 0, 0, width - 1, height - 1);
2936: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1.1.12 root 2937: }
2938: }
1.1.1.14 root 2939: if(csbi.dwCursorPosition.Y > height - 1) {
1.1.1.12 root 2940: co.X = csbi.dwCursorPosition.X;
1.1.1.14 root 2941: co.Y = min(height - 1, csbi.dwCursorPosition.Y - csbi.srWindow.Top);
1.1.1.12 root 2942: SetConsoleCursorPosition(hStdout, co);
2943: cursor_moved = true;
2944: }
1.1.1.14 root 2945:
2946: // window can't be bigger than buffer,
2947: // buffer can't be smaller than window,
2948: // so make a tiny window,
2949: // set the required buffer,
2950: // then set the required window
2951: SET_RECT(rect, 0, csbi.srWindow.Top, 0, csbi.srWindow.Top);
1.1.1.12 root 2952: SetConsoleWindowInfo(hStdout, TRUE, &rect);
1.1.1.14 root 2953: co.X = width;
2954: co.Y = height;
1.1.1.12 root 2955: SetConsoleScreenBufferSize(hStdout, co);
1.1.1.14 root 2956: SET_RECT(rect, 0, 0, width - 1, height - 1);
2957: SetConsoleWindowInfo(hStdout, TRUE, &rect);
2958:
2959: scr_width = scr_buf_size.X = width;
2960: scr_height = scr_buf_size.Y = height;
2961: scr_top = 0;
2962:
2963: clear_scr_buffer(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
2964:
2965: int regen = min(scr_width * scr_height * 2, 0x8000);
1.1.1.15 root 2966: text_vram_end_address = text_vram_top_address + regen;
2967: shadow_buffer_end_address = shadow_buffer_top_address + regen;
2968:
1.1.1.14 root 2969: if(regen > 0x4000) {
2970: regen = 0x8000;
2971: vram_pages = 1;
2972: } else if(regen > 0x2000) {
2973: regen = 0x4000;
2974: vram_pages = 2;
2975: } else if(regen > 0x1000) {
2976: regen = 0x2000;
2977: vram_pages = 4;
2978: } else {
2979: regen = 0x1000;
2980: vram_pages = 8;
2981: }
1.1.1.15 root 2982: *(UINT16 *)(mem + 0x44a) = scr_width;
2983: *(UINT16 *)(mem + 0x44c) = regen;
2984: *(UINT8 *)(mem + 0x484) = scr_height - 1;
2985:
1.1.1.24 root 2986: mouse.min_position.x = 0;
2987: mouse.min_position.y = 0;
1.1.1.34 root 2988: mouse.max_position.x = 8 * (scr_width - 1);
2989: mouse.max_position.y = 8 * (scr_height - 1);
1.1.1.24 root 2990:
1.1.1.15 root 2991: restore_console_on_exit = true;
1.1.1.14 root 2992: }
2993:
2994: void clear_scr_buffer(WORD attr)
2995: {
2996: for(int y = 0; y < scr_height; y++) {
2997: for(int x = 0; x < scr_width; x++) {
2998: SCR_BUF(y,x).Char.AsciiChar = ' ';
2999: SCR_BUF(y,x).Attributes = attr;
3000: }
3001: }
1.1.1.12 root 3002: }
3003:
1.1.1.24 root 3004: bool update_console_input()
1.1 root 3005: {
1.1.1.35 root 3006: #ifdef USE_SERVICE_THREAD
3007: EnterCriticalSection(&input_crit_sect);
3008: #endif
1.1.1.23 root 3009: HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE);
1.1.1.8 root 3010: DWORD dwNumberOfEvents = 0;
1.1 root 3011: DWORD dwRead;
3012: INPUT_RECORD ir[16];
1.1.1.24 root 3013: CONSOLE_SCREEN_BUFFER_INFO csbi = {0};
3014: bool result = false;
1.1 root 3015:
1.1.1.8 root 3016: if(GetNumberOfConsoleInputEvents(hStdin, &dwNumberOfEvents) && dwNumberOfEvents != 0) {
3017: if(ReadConsoleInputA(hStdin, ir, 16, &dwRead)) {
3018: for(int i = 0; i < dwRead; i++) {
1.1.1.24 root 3019: if(ir[i].EventType & MOUSE_EVENT) {
1.1.1.34 root 3020: if(mouse.hidden == 0) {
3021: // NOTE: if restore_console_on_exit, console is not scrolled
3022: if(!restore_console_on_exit && csbi.srWindow.Bottom == 0) {
3023: GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
3024: }
3025: // FIXME: character size is always 8x8 ???
3026: int x = 8 * (ir[i].Event.MouseEvent.dwMousePosition.X);
3027: int y = 8 * (ir[i].Event.MouseEvent.dwMousePosition.Y - csbi.srWindow.Top);
3028:
3029: if(mouse.position.x != x || mouse.position.y != y) {
3030: mouse.position.x = x;
3031: mouse.position.y = y;
3032: mouse.status |= 1;
1.1.1.43 root 3033: mouse.status_alt |= 1;
1.1.1.34 root 3034: }
3035: }
3036: if(ir[i].Event.MouseEvent.dwEventFlags == 0) {
3037: for(int i = 0; i < MAX_MOUSE_BUTTONS; i++) {
3038: static const DWORD bits[] = {
3039: FROM_LEFT_1ST_BUTTON_PRESSED, // left
3040: RIGHTMOST_BUTTON_PRESSED, // right
3041: FROM_LEFT_2ND_BUTTON_PRESSED, // middle
3042: };
3043: bool prev_status = mouse.buttons[i].status;
3044: mouse.buttons[i].status = ((ir[i].Event.MouseEvent.dwButtonState & bits[i]) != 0);
3045:
3046: if(!prev_status && mouse.buttons[i].status) {
3047: mouse.buttons[i].pressed_times++;
3048: mouse.buttons[i].pressed_position.x = mouse.position.x;
3049: mouse.buttons[i].pressed_position.y = mouse.position.x;
1.1.1.43 root 3050: if(i < 2) {
3051: mouse.status_alt |= 2 << (i * 2);
3052: }
1.1.1.34 root 3053: mouse.status |= 2 << (i * 2);
3054: } else if(prev_status && !mouse.buttons[i].status) {
3055: mouse.buttons[i].released_times++;
3056: mouse.buttons[i].released_position.x = mouse.position.x;
3057: mouse.buttons[i].released_position.y = mouse.position.x;
1.1.1.43 root 3058: if(i < 2) {
3059: mouse.status_alt |= 4 << (i * 2);
3060: }
1.1.1.34 root 3061: mouse.status |= 4 << (i * 2);
1.1.1.14 root 3062: }
3063: }
3064: }
1.1.1.24 root 3065: } else if(ir[i].EventType & KEY_EVENT) {
1.1.1.33 root 3066: // update keyboard flags in bios data area
1.1.1.35 root 3067: if(ir[i].Event.KeyEvent.dwControlKeyState & CAPSLOCK_ON) {
3068: mem[0x417] |= 0x40;
1.1.1.33 root 3069: } else {
1.1.1.35 root 3070: mem[0x417] &= ~0x40;
1.1.1.33 root 3071: }
1.1.1.35 root 3072: if(ir[i].Event.KeyEvent.dwControlKeyState & NUMLOCK_ON) {
3073: mem[0x417] |= 0x20;
1.1.1.33 root 3074: } else {
1.1.1.35 root 3075: mem[0x417] &= ~0x20;
3076: }
3077: if(ir[i].Event.KeyEvent.dwControlKeyState & SCROLLLOCK_ON) {
3078: mem[0x417] |= 0x10;
3079: } else {
3080: mem[0x417] &= ~0x10;
1.1.1.33 root 3081: }
3082: if(ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED)) {
1.1.1.43 root 3083: if(mouse.buttons[0].status || mouse.buttons[1].status) {
3084: mouse.status_alt |= 0x80;
3085: }
1.1.1.33 root 3086: mem[0x417] |= 0x08;
3087: } else {
3088: mem[0x417] &= ~0x08;
3089: }
1.1.1.35 root 3090: if(ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED)) {
1.1.1.43 root 3091: if(mouse.buttons[0].status || mouse.buttons[1].status) {
3092: mouse.status_alt |= 0x40;
3093: }
1.1.1.35 root 3094: mem[0x417] |= 0x04;
1.1.1.33 root 3095: } else {
1.1.1.35 root 3096: mem[0x417] &= ~0x04;
1.1.1.33 root 3097: }
3098: if(ir[i].Event.KeyEvent.dwControlKeyState & SHIFT_PRESSED) {
1.1.1.43 root 3099: if(mouse.buttons[0].status || mouse.buttons[1].status) {
3100: mouse.status_alt |= 0x20;
3101: }
1.1.1.33 root 3102: if(!(mem[0x417] & 0x03)) {
3103: mem[0x417] |= 0x02; // left shift
3104: }
3105: } else {
3106: mem[0x417] &= ~0x03;
3107: }
1.1.1.35 root 3108: if(ir[i].Event.KeyEvent.dwControlKeyState & LEFT_ALT_PRESSED) {
3109: mem[0x418] |= 0x02;
3110: } else {
3111: mem[0x418] &= ~0x02;
3112: }
3113: if(ir[i].Event.KeyEvent.dwControlKeyState & LEFT_CTRL_PRESSED) {
3114: mem[0x418] |= 0x01;
3115: } else {
3116: mem[0x418] &= ~0x01;
3117: }
1.1.1.33 root 3118:
1.1.1.28 root 3119: // set scan code of last pressed/release key to kbd_data (in-port 60h)
1.1.1.24 root 3120: kbd_data = ir[i].Event.KeyEvent.wVirtualScanCode;
1.1.1.33 root 3121: kbd_status |= 1;
3122:
3123: // update dos key buffer
3124: UINT8 chr = ir[i].Event.KeyEvent.uChar.AsciiChar;
3125: UINT8 scn = ir[i].Event.KeyEvent.wVirtualScanCode & 0xff;
3126:
3127: if(ir[i].Event.KeyEvent.bKeyDown) {
1.1.1.28 root 3128: // make
1.1.1.24 root 3129: kbd_data &= 0x7f;
3130:
1.1.1.33 root 3131: if(chr == 0x00) {
1.1.1.24 root 3132: if(ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED)) {
3133: if(scn >= 0x3b && scn <= 0x44) {
3134: scn += 0x68 - 0x3b; // F1 to F10
3135: } else if(scn == 0x57 || scn == 0x58) {
3136: scn += 0x8b - 0x57; // F11 & F12
3137: } else if(scn >= 0x47 && scn <= 0x53) {
3138: scn += 0x97 - 0x47; // edit/arrow clusters
3139: } else if(scn == 0x35) {
3140: scn = 0xa4; // keypad /
3141: }
3142: } else if(ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED)) {
3143: if(scn == 0x07) {
3144: chr = 0x1e; // Ctrl+^
3145: } else if(scn == 0x0c) {
3146: chr = 0x1f; // Ctrl+_
3147: } else if(scn >= 0x35 && scn <= 0x58) {
3148: static const UINT8 ctrl_map[] = {
3149: 0x95, // keypad /
3150: 0,
3151: 0x96, // keypad *
3152: 0, 0, 0,
3153: 0x5e, // F1
3154: 0x5f, // F2
3155: 0x60, // F3
3156: 0x61, // F4
3157: 0x62, // F5
3158: 0x63, // F6
3159: 0x64, // F7
3160: 0x65, // F8
3161: 0x66, // F9
3162: 0x67, // F10
3163: 0,
3164: 0,
3165: 0x77, // Home
3166: 0x8d, // Up
3167: 0x84, // PgUp
3168: 0x8e, // keypad -
3169: 0x73, // Left
3170: 0x8f, // keypad center
3171: 0x74, // Right
3172: 0x90, // keyapd +
3173: 0x75, // End
3174: 0x91, // Down
3175: 0x76, // PgDn
3176: 0x92, // Insert
3177: 0x93, // Delete
3178: 0, 0, 0,
3179: 0x89, // F11
3180: 0x8a, // F12
3181: };
3182: scn = ctrl_map[scn - 0x35];
3183: }
3184: } else if(ir[i].Event.KeyEvent.dwControlKeyState & SHIFT_PRESSED) {
3185: if(scn >= 0x3b && scn <= 0x44) {
3186: scn += 0x54 - 0x3b; // F1 to F10
3187: } else if(scn == 0x57 || scn == 0x58) {
3188: scn += 0x87 - 0x57; // F11 & F12
3189: }
3190: } else if(scn == 0x57 || scn == 0x58) {
3191: scn += 0x85 - 0x57;
3192: }
3193: // ignore shift, ctrl, alt, win and menu keys
3194: if(scn != 0x1d && scn != 0x2a && scn != 0x36 && scn != 0x38 && (scn < 0x5b || scn > 0x5e)) {
1.1.1.32 root 3195: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 3196: #ifdef USE_SERVICE_THREAD
3197: EnterCriticalSection(&key_buf_crit_sect);
3198: #endif
1.1.1.32 root 3199: if(chr == 0) {
3200: key_buf_char->write(0x00);
3201: key_buf_scan->write(ir[i].Event.KeyEvent.dwControlKeyState & ENHANCED_KEY ? 0xe0 : 0x00);
3202: }
3203: key_buf_char->write(chr);
3204: key_buf_scan->write(scn);
1.1.1.35 root 3205: #ifdef USE_SERVICE_THREAD
3206: LeaveCriticalSection(&key_buf_crit_sect);
3207: #endif
1.1.1.24 root 3208: }
3209: }
3210: } else {
3211: if(ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED)) {
3212: chr = 0;
3213: if(scn >= 0x02 && scn <= 0x0e) {
3214: scn += 0x78 - 0x02; // 1 to 0 - =
3215: }
3216: }
1.1.1.32 root 3217: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 3218: #ifdef USE_SERVICE_THREAD
3219: EnterCriticalSection(&key_buf_crit_sect);
3220: #endif
1.1.1.32 root 3221: key_buf_char->write(chr);
3222: key_buf_scan->write(scn);
1.1.1.35 root 3223: #ifdef USE_SERVICE_THREAD
3224: LeaveCriticalSection(&key_buf_crit_sect);
3225: #endif
1.1.1.32 root 3226: }
1.1.1.24 root 3227: }
1.1.1.33 root 3228: } else if(chr == 0x03 && (ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED))) {
3229: // ctrl-break, ctrl-c
3230: if(scn == 0x46) {
3231: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 3232: #ifdef USE_SERVICE_THREAD
3233: EnterCriticalSection(&key_buf_crit_sect);
3234: #endif
1.1.1.33 root 3235: key_buf_char->write(0x00);
3236: key_buf_scan->write(0x00);
1.1.1.35 root 3237: #ifdef USE_SERVICE_THREAD
3238: LeaveCriticalSection(&key_buf_crit_sect);
3239: #endif
1.1.1.33 root 3240: }
3241: ctrl_break_pressed = true;
3242: mem[0x471] = 0x80;
3243: raise_int_1bh = true;
3244: } else {
3245: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 3246: #ifdef USE_SERVICE_THREAD
3247: EnterCriticalSection(&key_buf_crit_sect);
3248: #endif
1.1.1.33 root 3249: key_buf_char->write(chr);
3250: key_buf_scan->write(scn);
1.1.1.35 root 3251: #ifdef USE_SERVICE_THREAD
3252: LeaveCriticalSection(&key_buf_crit_sect);
3253: #endif
1.1.1.33 root 3254: }
3255: ctrl_c_pressed = (scn == 0x2e);
3256: }
3257: } else {
3258: // break
3259: kbd_data |= 0x80;
1.1 root 3260: }
1.1.1.24 root 3261: result = key_changed = true;
1.1.1.36 root 3262: // IME may be on and it may causes screen scroll up and cursor position change
3263: cursor_moved = true;
1.1 root 3264: }
3265: }
3266: }
3267: }
1.1.1.35 root 3268: #ifdef USE_SERVICE_THREAD
3269: LeaveCriticalSection(&input_crit_sect);
3270: #endif
1.1.1.24 root 3271: return(result);
1.1.1.8 root 3272: }
3273:
1.1.1.14 root 3274: bool update_key_buffer()
1.1.1.8 root 3275: {
1.1.1.35 root 3276: if(update_console_input()) {
3277: return(true);
3278: }
3279: if(key_buf_char != NULL && key_buf_scan != NULL) {
3280: #ifdef USE_SERVICE_THREAD
3281: EnterCriticalSection(&key_buf_crit_sect);
3282: #endif
3283: bool empty = key_buf_char->empty();
3284: #ifdef USE_SERVICE_THREAD
3285: LeaveCriticalSection(&key_buf_crit_sect);
3286: #endif
3287: if(!empty) return(true);
3288: }
3289: return(false);
1.1.1.8 root 3290: }
3291:
1.1.1.20 root 3292: /* ----------------------------------------------------------------------------
3293: MS-DOS virtual machine
3294: ---------------------------------------------------------------------------- */
3295:
1.1.1.32 root 3296: static const struct {
1.1.1.33 root 3297: char *name;
3298: DWORD lcid;
3299: char *std;
3300: char *dlt;
3301: } tz_table[] = {
3302: // https://science.ksc.nasa.gov/software/winvn/userguide/3_1_4.htm
3303: // 0 GMT Greenwich Mean Time GMT0
3304: {"GMT Standard Time", 0x0809, "GMT", "BST"}, // (UTC+00:00) GB London (en-gb)
3305: {"GMT Standard Time", 0x1809, "GMT", "IST"}, // (UTC+00:00) IE Dublin (en-ie)
3306: {"GMT Standard Time", 0x0000, "WET", "WES"}, // (UTC+00:00) PT Lisbon
3307: {"Greenwich Standard Time", 0x0000, "GMT", "GST"}, // (UTC+00:00) IS Reykjavik
3308: // 2 FST FDT Fernando De Noronha Std FST2FDT
3309: {"Mid-Atlantic Standard Time", 0x0416, "FST", "FDT"}, // (UTC-02:00) BR Noronha (pt-br)
3310: {"UTC-02", 0x0416, "FST", "FDT"}, // (UTC-02:00) BR Noronha (pt-br)
3311: // 3 BST Brazil Standard Time BST3
3312: {"Bahia Standard Time", 0x0000, "BST", "BDT"}, // (UTC-03:00) BR Bahia
3313: {"SA Eastern Standard Time", 0x0000, "BST", "BDT"}, // (UTC-03:00) BR Fortaleza
3314: {"Tocantins Standard Time", 0x0000, "BST", "BDT"}, // (UTC-03:00) BR Palmas
3315: // 3 EST EDT Eastern Standard (Brazil) EST3EDT
3316: {"E. South America Standard Time", 0x0000, "EST", "EDT"}, // (UTC-03:00) BR Sao Paulo
3317: // 3 GST Greenland Standard Time GST3
3318: {"Greenland Standard Time", 0x0000, "GST", "GDT"}, // (UTC-03:00) GL Godthab
3319: // 3:30 NST NDT Newfoundland Standard Time NST3:30NDT
3320: {"Newfoundland Standard Time", 0x0000, "NST", "NDT"}, // (UTC-03:30) CA St.Johns
3321: // 4 AST ADT Atlantic Standard Time AST4ADT
3322: {"Atlantic Standard Time", 0x0000, "AST", "ADT"}, // (UTC-04:00) CA Halifax
3323: // 4 WST WDT Western Standard (Brazil) WST4WDT
3324: {"Central Brazilian Standard Time", 0x0000, "WST", "WDT"}, // (UTC-04:00) BR Cuiaba
3325: {"SA Western Standard Time", 0x0000, "WST", "WDT"}, // (UTC-04:00) BR Manaus
3326: // 5 EST EDT Eastern Standard Time EST5EDT
3327: {"Eastern Standard Time", 0x0000, "EST", "EDT"}, // (UTC-05:00) US New York
3328: {"Eastern Standard Time (Mexico)", 0x0000, "EST", "EDT"}, // (UTC-05:00) MX Cancun
3329: {"US Eastern Standard Time", 0x0000, "EST", "EDT"}, // (UTC-05:00) US Indianapolis
3330: // 5 CST CDT Chile Standard Time CST5CDT
3331: {"Pacific SA Standard Time", 0x0000, "CST", "CDT"}, // (UTC-04:00) CL Santiago
3332: // 5 AST ADT Acre Standard Time AST5ADT
3333: {"SA Pacific Standard Time", 0x0000, "AST", "ADT"}, // (UTC-05:00) BR Rio Branco
3334: // 5 CST CDT Cuba Standard Time CST5CDT
3335: {"Cuba Standard Time", 0x0000, "CST", "CDT"}, // (UTC-05:00) CU Havana
3336: // 6 CST CDT Central Standard Time CST6CDT
3337: {"Canada Central Standard Time", 0x0000, "CST", "CDT"}, // (UTC-06:00) CA Regina
3338: {"Central Standard Time", 0x0000, "CST", "CDT"}, // (UTC-06:00) US Chicago
3339: {"Central Standard Time (Mexico)", 0x0000, "CST", "CDT"}, // (UTC-06:00) MX Mexico City
3340: // 6 EST EDT Easter Island Standard EST6EDT
3341: {"Easter Island Standard Time", 0x0000, "EST", "EDT"}, // (UTC-06:00) CL Easter
3342: // 7 MST MDT Mountain Standard Time MST7MDT
3343: {"Mountain Standard Time", 0x0000, "MST", "MDT"}, // (UTC-07:00) US Denver
3344: {"Mountain Standard Time (Mexico)", 0x0000, "MST", "MDT"}, // (UTC-07:00) MX Chihuahua
3345: {"US Mountain Standard Time", 0x0000, "MST", "MDT"}, // (UTC-07:00) US Phoenix
3346: // 8 PST PDT Pacific Standard Time PST8PDT
3347: {"Pacific Standard Time", 0x0000, "PST", "PDT"}, // (UTC-08:00) US Los Angeles
3348: {"Pacific Standard Time (Mexico)", 0x0000, "PST", "PDT"}, // (UTC-08:00) MX Tijuana
3349: // 9 AKS AKD Alaska Standard Time AKS9AKD
3350: // 9 YST YDT Yukon Standard Time YST9YST
3351: {"Alaskan Standard Time", 0x0000, "AKS", "AKD"}, // (UTC-09:00) US Anchorage
3352: // 10 HST HDT Hawaii Standard Time HST10HDT
3353: {"Aleutian Standard Time", 0x0000, "HST", "HDT"}, // (UTC-10:00) US Aleutian
3354: {"Hawaiian Standard Time", 0x0000, "HST", "HDT"}, // (UTC-10:00) US Honolulu
3355: // 11 SST Samoa Standard Time SST11
3356: {"Samoa Standard Time", 0x0000, "SST", "SDT"}, // (UTC-11:00) US Samoa
3357: // -12 NZS NZD New Zealand Standard Time NZS-12NZD
3358: {"New Zealand Standard Time", 0x0000, "NZS", "NZD"}, // (UTC+12:00) NZ Auckland
3359: // -10 GST Guam Standard Time GST-10
3360: {"West Pacific Standard Time", 0x0000, "GST", "GDT"}, // (UTC+10:00) GU Guam
3361: // -10 EAS EAD Eastern Australian Standard EAS-10EAD
3362: {"AUS Eastern Standard Time", 0x0000, "EAS", "EAD"}, // (UTC+10:00) AU Sydney
3363: {"E. Australia Standard Time", 0x0000, "EAS", "EAD"}, // (UTC+10:00) AU Brisbane
3364: {"Tasmania Standard Time", 0x0000, "EAS", "EAD"}, // (UTC+10:00) AU Hobart
3365: // -9:30 CAS CAD Central Australian Standard CAS-9:30CAD
3366: {"AUS Central Standard Time", 0x0000, "CAS", "CAD"}, // (UTC+09:30) AU Darwin
3367: {"Cen. Australia Standard Time", 0x0000, "CAS", "CAD"}, // (UTC+09:30) AU Adelaide
3368: // -9 JST Japan Standard Time JST-9
3369: {"Tokyo Standard Time", 0x0000, "JST", "JDT"}, // (UTC+09:00) JP Tokyo
3370: // -9 KST KDT Korean Standard Time KST-9KDT
3371: {"Korea Standard Time", 0x0000, "KST", "KDT"}, // (UTC+09:00) KR Seoul
3372: {"North Korea Standard Time", 0x0000, "KST", "KDT"}, // (UTC+08:30) KP Pyongyang
3373: // -8 HKT Hong Kong Time HKT-8
3374: {"China Standard Time", 0x0C04, "HKT", "HKS"}, // (UTC+08:00) HK Hong Kong (zh-hk)
3375: // -8 CCT China Coast Time CCT-8
3376: {"China Standard Time", 0x0000, "CCT", "CDT"}, // (UTC+08:00) CN Shanghai
3377: {"Taipei Standard Time", 0x0000, "CCT", "CDT"}, // (UTC+08:00) TW Taipei
3378: // -8 SST Singapore Standard Time SST-8
3379: {"Singapore Standard Time", 0x0000, "SST", "SDT"}, // (UTC+08:00) SG Singapore
3380: // -8 WAS WAD Western Australian Standard WAS-8WAD
3381: {"Aus Central W. Standard Time", 0x0000, "WAS", "WAD"}, // (UTC+08:45) AU Eucla
3382: {"W. Australia Standard Time", 0x0000, "WAS", "WAD"}, // (UTC+08:00) AU Perth
3383: // -7:30 JT Java Standard Time JST-7:30
3384: // -7 NST North Sumatra Time NST-7
3385: {"SE Asia Standard Time", 0x0000, "NST", "NDT"}, // (UTC+07:00) ID Jakarta
3386: // -5:30 IST Indian Standard Time IST-5:30
3387: {"India Standard Time", 0x0000, "IST", "IDT"}, // (UTC+05:30) IN Calcutta
3388: // -3:30 IST IDT Iran Standard Time IST-3:30IDT
3389: {"Iran Standard Time", 0x0000, "IST", "IDT"}, // (UTC+03:30) IR Tehran
3390: // -3 MSK MSD Moscow Winter Time MSK-3MSD
3391: {"Belarus Standard Time", 0x0000, "MSK", "MSD"}, // (UTC+03:00) BY Minsk
3392: {"Russian Standard Time", 0x0000, "MSK", "MSD"}, // (UTC+03:00) RU Moscow
3393: // -2 EET Eastern Europe Time EET-2
3394: {"E. Europe Standard Time", 0x0000, "EET", "EES"}, // (UTC+02:00) MD Chisinau
3395: {"FLE Standard Time", 0x0000, "EET", "EES"}, // (UTC+02:00) UA Kiev
3396: {"GTB Standard Time", 0x0000, "EET", "EES"}, // (UTC+02:00) RO Bucharest
3397: {"Kaliningrad Standard Time", 0x0000, "EET", "EES"}, // (UTC+02:00) RU Kaliningrad
3398: // -2 IST IDT Israel Standard Time IST-2IDT
3399: {"Israel Standard Time", 0x0000, "IST", "IDT"}, // (UTC+02:00) IL Jerusalem
3400: // -1 MEZ MES Middle European Time MEZ-1MES
3401: // -1 SWT SST Swedish Winter Time SWT-1SST
3402: // -1 FWT FST French Winter Time FWT-1FST
3403: // -1 CET CES Central European Time CET-1CES
3404: {"Central Europe Standard Time", 0x0000, "CET", "CES"}, // (UTC+01:00) HU Budapest
3405: {"Central European Standard Time", 0x0000, "CET", "CES"}, // (UTC+01:00) PL Warsaw
3406: {"Romance Standard Time", 0x0000, "CET", "CES"}, // (UTC+01:00) FR Paris
3407: {"W. Europe Standard Time", 0x0000, "CET", "CES"}, // (UTC+01:00) DE Berlin
3408: // -1 WAT West African Time WAT-1
3409: {"Namibia Standard Time", 0x0000, "WAT", "WAS"}, // (UTC+01:00) NA Windhoek
3410: {"W. Central Africa Standard Time", 0x0000, "WAT", "WAS"}, // (UTC+01:00) NG Lagos
3411: // 0 UTC Universal Coordinated Time UTC0
3412: {"UTC", 0x0000, "UTC", "" }, // (UTC+00:00) GMT+0
3413: {"UTC-02", 0x0000, "UTC", "" }, // (UTC-02:00) GMT+2
3414: {"UTC-08", 0x0000, "UTC", "" }, // (UTC-08:00) GMT+8
3415: {"UTC-09", 0x0000, "UTC", "" }, // (UTC-09:00) GMT+9
3416: {"UTC-11", 0x0000, "UTC", "" }, // (UTC-11:00) GMT+11
3417: {"UTC+12", 0x0000, "UTC", "" }, // (UTC+12:00) GMT-12
3418: };
3419:
3420: static const struct {
1.1.1.32 root 3421: UINT16 code;
3422: char *message_english;
3423: char *message_japanese;
3424: } standard_error_table[] = {
3425: {0x01, "Invalid function", "�����ȃt�@���N�V�����ł�."},
3426: {0x02, "File not found", "�t�@�C����������܂���."},
3427: {0x03, "Path not found", "�p�X��������܂���."},
3428: {0x04, "Too many open files", "�J����Ă���t�@�C�����������܂�."},
3429: {0x05, "Access denied", "�A�N�Z�X�͋��ۂ���܂���."},
3430: {0x06, "Invalid handle", "�����ȃn���h���ł�."},
3431: {0x07, "Memory control blocks destroyed", "����������u���b�N���j������܂���."},
3432: {0x08, "Insufficient memory", "������������܂���."},
3433: {0x09, "Invalid memory block address", "�����ȃ������u���b�N�̃A�h���X�ł�."},
3434: {0x0A, "Invalid Environment", "�����Ȋ��ł�."},
3435: {0x0B, "Invalid format", "�����ȃt�H�[�}�b�g�ł�."},
3436: {0x0C, "Invalid function parameter", "�����ȃt�@���N�V�����p�����[�^�ł�."},
3437: {0x0D, "Invalid data", "�����ȃf�[�^�ł�."},
3438: {0x0F, "Invalid drive specification", "�����ȃh���C�u�̎w��ł�."},
3439: {0x10, "Attempt to remove current directory", "���݂̃f�B���N�g�����폜���悤�Ƃ��܂���."},
3440: {0x11, "Not same device", "�����f�o�C�X�ł͂���܂���."},
3441: {0x12, "No more files", "�t�@�C���͂���ȏ゠��܂���."},
3442: {0x13, "Write protect error", "�������ݕی�G���[�ł�."},
3443: {0x14, "Invalid unit", "�����ȃ��j�b�g�ł�."},
3444: {0x15, "Not ready", "�������ł��Ă��܂���."},
3445: {0x16, "Invalid device request", "�����ȃf�o�C�X�v���ł�."},
3446: {0x17, "Data error", "�f�[�^�G���[�ł�."},
3447: {0x18, "Invalid device request parameters", "�����ȃf�o�C�X�v���̃p�����[�^�ł�."},
3448: {0x19, "Seek error", "�V�[�N�G���[�ł�."},
3449: {0x1A, "Invalid media type", "�����ȃ��f�B�A�̎�ނł�."},
3450: {0x1B, "Sector not found", "�Z�N�^��������܂���."},
3451: {0x1C, "Printer out of paper error", "�v�����^�̗p��������܂���."},
3452: {0x1D, "Write fault error", "�������݃G���[�ł�."},
3453: {0x1E, "Read fault error", "�ǂݎ��G���[�ł�."},
3454: {0x1F, "General failure", "�G���[�ł�."},
3455: {0x20, "Sharing violation", "���L�ᔽ�ł�."},
3456: {0x21, "Lock violation", "���b�N�ᔽ�ł�."},
3457: {0x22, "Invalid disk change", "�����ȃf�B�X�N�̌����ł�."},
3458: {0x23, "FCB unavailable", "FCB �͎g���܂���."},
3459: {0x24, "System resource exhausted", "�V�X�e�����\�[�X�͂����g���܂���."},
3460: {0x25, "Code page mismatch", "�R�[�h �y�[�W����v���܂���."},
3461: {0x26, "Out of input", "���͂��I���܂���."},
3462: {0x27, "Insufficient disk space", "�f�B�X�N�̋̈悪����܂���."},
3463: /*
3464: {0x32, "Network request not supported", NULL},
3465: {0x33, "Remote computer not listening", NULL},
3466: {0x34, "Duplicate name on network", NULL},
3467: {0x35, "Network name not found", NULL},
3468: {0x36, "Network busy", NULL},
3469: {0x37, "Network device no longer exists", NULL},
3470: {0x38, "Network BIOS command limit exceeded", NULL},
3471: {0x39, "Network adapter hardware error", NULL},
3472: {0x3A, "Incorrect response from network", NULL},
3473: {0x3B, "Unexpected network error", NULL},
3474: {0x3C, "Incompatible remote adapter", NULL},
3475: {0x3D, "Print queue full", NULL},
3476: {0x3E, "Queue not full", NULL},
3477: {0x3F, "Not enough space to print file", NULL},
3478: {0x40, "Network name was deleted", NULL},
3479: {0x41, "Network: Access denied", NULL},
3480: {0x42, "Network device type incorrect", NULL},
3481: {0x43, "Network name not found", NULL},
3482: {0x44, "Network name limit exceeded", NULL},
3483: {0x45, "Network BIOS session limit exceeded", NULL},
3484: {0x46, "Temporarily paused", NULL},
3485: {0x47, "Network request not accepted", NULL},
3486: {0x48, "Network print/disk redirection paused", NULL},
3487: {0x49, "Network software not installed", NULL},
3488: {0x4A, "Unexpected adapter close", NULL},
3489: */
3490: {0x50, "File exists", "�t�@�C���͑��݂��܂�."},
1.1.1.33 root 3491: {0x52, "Cannot make directory entry", "�f�B���N�g���G���g�����쐬�ł��܂���."},
1.1.1.32 root 3492: {0x53, "Fail on INT 24", "INT 24 �Ŏ��s���܂���."},
3493: {0x54, "Too many redirections", "���_�C���N�g���������܂�."},
3494: {0x55, "Duplicate redirection", "���_�C���N�g���d�����Ă��܂�."},
3495: {0x56, "Invalid password", "�p�X���[�h���Ⴂ�܂�."},
3496: {0x57, "Invalid parameter", "�p�����[�^�̎w�肪�Ⴂ�܂�."},
3497: {0x58, "Network data fault", "�l�b�g���[�N�f�[�^�̃G���[�ł�."},
3498: {0x59, "Function not supported by network", "�t�@���N�V�����̓l�b�g���[�N�ŃT�|�[�g����Ă��܂���."},
3499: {0x5A, "Required system component not installe", "�K�v�ȃV�X�e�� �R���|�[�l���g���g�ݍ��܂�Ă��܂���."},
3500: /*
3501: {0x64, "Unknown error", "�s���ȃG���[�ł�."},
3502: {0x65, "Not ready", "�������ł��Ă��܂���."},
3503: {0x66, "EMS memory no longer valid", "EMS �������͂����L���ł͂���܂���."},
3504: {0x67, "CDROM not High Sierra or ISO-9660 format", "CDROM �� High Sierra �܂��� ISO-9660 �t�H�[�}�b�g�ł͂���܂���."},
3505: {0x68, "Door open", "���o�[���܂��Ă��܂���."
3506: */
3507: {0xB0, "Volume is not locked", "�{�����[�������b�N����Ă��܂���."},
3508: {0xB1, "Volume is locked in drive", "�{�����[�������b�N����Ă��܂�."},
3509: {0xB2, "Volume is not removable", "�{�����[���͎��O���ł��܂���."},
3510: {0xB4, "Lock count has been exceeded", "�{�����[��������ȏネ�b�N�ł��܂���."},
3511: {0xB5, "A valid eject request failed", "���o���Ɏ��s���܂���."},
3512: {-1 , "Unknown error", "�s���ȃG���[�ł�."},
3513: };
3514:
3515: static const struct {
3516: UINT16 code;
3517: char *message_english;
3518: char *message_japanese;
3519: } param_error_table[] = {
3520: {0x01, "Too many parameters", "�p�����[�^���������܂�."},
3521: {0x02, "Required parameter missing", "�p�����[�^������܂���."},
3522: {0x03, "Invalid switch", "�����ȃX�C�b�`�ł�."},
3523: {0x04, "Invalid keyword", "�����ȃL�[���[�h�ł�."},
3524: {0x06, "Parameter value not in allowed range", "�p�����[�^�̒l���͈͂��Ă��܂�."},
3525: {0x07, "Parameter value not allowed", "���̃p�����[�^�̒l�͎g���܂���."},
3526: {0x08, "Parameter value not allowed", "���̃p�����[�^�̒l�͎g���܂���."},
3527: {0x09, "Parameter format not correct", "�p�����[�^�̏������Ⴂ�܂�."},
3528: {0x0A, "Invalid parameter", "�����ȃp�����[�^�ł�."},
3529: {0x0B, "Invalid parameter combination", "�����ȃp�����[�^�̑g�ݍ��킹�ł�."},
3530: {-1 , "Unknown error", "�s���ȃG���[�ł�."},
3531: };
3532:
3533: static const struct {
3534: UINT16 code;
3535: char *message_english;
3536: char *message_japanese;
3537: } critical_error_table[] = {
3538: {0x00, "Write protect error", "�������ݕی�G���[�ł�."},
3539: {0x01, "Invalid unit", "�����ȃ��j�b�g�ł�."},
3540: {0x02, "Not ready", "�������ł��Ă��܂���."},
3541: {0x03, "Invalid device request", "�����ȃf�o�C�X�v���ł�."},
3542: {0x04, "Data error", "�f�[�^�G���[�ł�."},
3543: {0x05, "Invalid device request parameters", "�����ȃf�o�C�X�v���̃p�����[�^�ł�."},
3544: {0x06, "Seek error", "�V�[�N�G���[�ł�."},
3545: {0x07, "Invalid media type", "�����ȃ��f�B�A�̎�ނł�."},
3546: {0x08, "Sector not found", "�Z�N�^��������܂���."},
3547: {0x09, "Printer out of paper error", "�v�����^�̗p��������܂���."},
3548: {0x0A, "Write fault error", "�������݃G���[�ł�."},
3549: {0x0B, "Read fault error", "�ǂݎ��G���[�ł�."},
3550: {0x0C, "General failure", "�G���[�ł�."},
3551: {0x0D, "Sharing violation", "���L�ᔽ�ł�."},
3552: {0x0E, "Lock violation", "���b�N�ᔽ�ł�."},
3553: {0x0F, "Invalid disk change", "�����ȃf�B�X�N�̌����ł�."},
3554: {0x10, "FCB unavailable", "FCB �͎g���܂���."},
3555: {0x11, "System resource exhausted", "�V�X�e�����\�[�X�͂����g���܂���."},
3556: {0x12, "Code page mismatch", "�R�[�h �y�[�W����v���܂���."},
3557: {0x13, "Out of input", "���͂��I���܂���."},
3558: {0x14, "Insufficient disk space", "�f�B�X�N�̋̈悪����܂���."},
3559: {-1 , "Critical error", "�v���I�ȃG���[�ł�."},
3560: };
3561:
1.1.1.20 root 3562: void msdos_psp_set_file_table(int fd, UINT8 value, int psp_seg);
3563: int msdos_psp_get_file_table(int fd, int psp_seg);
3564: void msdos_putch(UINT8 data);
1.1.1.35 root 3565: #ifdef USE_SERVICE_THREAD
3566: void msdos_putch_tmp(UINT8 data);
3567: #endif
1.1.1.45! root 3568: const char *msdos_short_path(const char *path);
1.1.1.44 root 3569: bool msdos_is_valid_drive(int drv);
3570: bool msdos_is_removable_drive(int drv);
3571: bool msdos_is_cdrom_drive(int drv);
3572: bool msdos_is_remote_drive(int drv);
3573: bool msdos_is_subst_drive(int drv);
1.1.1.20 root 3574:
1.1 root 3575: // process info
3576:
3577: process_t *msdos_process_info_create(UINT16 psp_seg)
3578: {
3579: for(int i = 0; i < MAX_PROCESS; i++) {
3580: if(process[i].psp == 0 || process[i].psp == psp_seg) {
3581: memset(&process[i], 0, sizeof(process_t));
3582: process[i].psp = psp_seg;
3583: return(&process[i]);
3584: }
3585: }
3586: fatalerror("too many processes\n");
3587: return(NULL);
3588: }
3589:
1.1.1.33 root 3590: process_t *msdos_process_info_get(UINT16 psp_seg, bool show_error)
1.1 root 3591: {
3592: for(int i = 0; i < MAX_PROCESS; i++) {
3593: if(process[i].psp == psp_seg) {
3594: return(&process[i]);
3595: }
3596: }
1.1.1.33 root 3597: if(show_error) {
3598: fatalerror("invalid psp address\n");
3599: }
1.1 root 3600: return(NULL);
3601: }
3602:
1.1.1.33 root 3603: process_t *msdos_process_info_get(UINT16 psp_seg)
3604: {
3605: return(msdos_process_info_get(psp_seg, true));
3606: }
3607:
1.1.1.23 root 3608: void msdos_sda_update(int psp_seg)
3609: {
3610: sda_t *sda = (sda_t *)(mem + SDA_TOP);
3611:
3612: for(int i = 0; i < MAX_PROCESS; i++) {
3613: if(process[i].psp == psp_seg) {
3614: sda->switchar = process[i].switchar;
3615: sda->current_dta.w.l = process[i].dta.w.l;
3616: sda->current_dta.w.h = process[i].dta.w.h;
3617: sda->current_psp = process[i].psp;
3618: break;
3619: }
3620: }
3621: sda->malloc_strategy = malloc_strategy;
3622: sda->return_code = retval;
3623: sda->current_drive = _getdrive();
3624: }
3625:
1.1.1.13 root 3626: // dta info
3627:
3628: void msdos_dta_info_init()
3629: {
1.1.1.14 root 3630: for(int i = 0; i < MAX_DTAINFO; i++) {
1.1.1.13 root 3631: dtalist[i].find_handle = INVALID_HANDLE_VALUE;
3632: }
3633: }
3634:
3635: dtainfo_t *msdos_dta_info_get(UINT16 psp_seg, UINT32 dta_laddr)
3636: {
3637: dtainfo_t *free_dta = NULL;
1.1.1.14 root 3638: for(int i = 0; i < MAX_DTAINFO; i++) {
3639: if(dtalist[i].find_handle == INVALID_HANDLE_VALUE) {
3640: if(free_dta == NULL) {
1.1.1.13 root 3641: free_dta = &dtalist[i];
3642: }
1.1.1.14 root 3643: } else if(dta_laddr < LFN_DTA_LADDR && dtalist[i].dta == dta_laddr) {
1.1.1.13 root 3644: return(&dtalist[i]);
3645: }
3646: }
1.1.1.14 root 3647: if(free_dta) {
1.1.1.13 root 3648: free_dta->psp = psp_seg;
3649: free_dta->dta = dta_laddr;
3650: return(free_dta);
3651: }
3652: fatalerror("too many dta\n");
3653: return(NULL);
3654: }
3655:
3656: void msdos_dta_info_free(UINT16 psp_seg)
3657: {
1.1.1.14 root 3658: for(int i = 0; i < MAX_DTAINFO; i++) {
3659: if(dtalist[i].psp == psp_seg && dtalist[i].find_handle != INVALID_HANDLE_VALUE) {
1.1.1.13 root 3660: FindClose(dtalist[i].find_handle);
3661: dtalist[i].find_handle = INVALID_HANDLE_VALUE;
3662: }
3663: }
3664: }
3665:
1.1 root 3666: void msdos_cds_update(int drv)
3667: {
1.1.1.44 root 3668: cds_t *cds = (cds_t *)(mem + CDS_TOP + 88 * drv);
1.1 root 3669:
1.1.1.44 root 3670: memset(cds, 0, 88);
3671:
3672: if(msdos_is_valid_drive(drv)) {
3673: char path[MAX_PATH];
3674: if(msdos_is_remote_drive(drv)) {
3675: cds->drive_attrib = 0xc000; // network drive
3676: } else if(msdos_is_subst_drive(drv)) {
3677: cds->drive_attrib = 0x5000; // subst drive
3678: } else {
3679: cds->drive_attrib = 0x4000; // physical drive
3680: }
3681: if(_getdcwd(drv + 1, path, MAX_PATH) != NULL) {
3682: strcpy_s(cds->path_name, sizeof(cds->path_name), msdos_short_path(path));
3683: }
3684: }
3685: if(cds->path_name[0] == '\0') {
3686: sprintf(cds->path_name, "%c:\\", 'A' + drv);
3687: }
3688: cds->dpb_ptr.w.h = DPB_TOP >> 4;
3689: cds->dpb_ptr.w.l = sizeof(dpb_t) * drv;
3690: cds->word_1 = cds->word_2 = 0xffff;
3691: cds->word_3 = 0xffff; // stored user data from INT 21/AX=5F03h if this is network drive
3692: cds->bs_offset = 2;
3693: }
3694:
1.1.1.45! root 3695: void msdos_cds_update(int drv, const char *path)
1.1.1.44 root 3696: {
3697: cds_t *cds = (cds_t *)(mem + CDS_TOP + 88 * drv);
3698:
3699: strcpy_s(cds->path_name, sizeof(cds->path_name), msdos_short_path(path));
1.1 root 3700: }
3701:
1.1.1.17 root 3702: // nls information tables
3703:
3704: // uppercase table (func 6502h)
3705: void msdos_upper_table_update()
3706: {
3707: *(UINT16 *)(mem + UPPERTABLE_TOP) = 0x80;
1.1.1.22 root 3708: for(unsigned i = 0; i < 0x80; ++i) {
1.1.1.17 root 3709: UINT8 c[4];
1.1.1.33 root 3710: *(UINT32 *)c = 0; // reset internal conversion state
3711: CharUpperBuffA((LPSTR)c, 4); // (workaround for MBCS codepage)
1.1.1.17 root 3712: c[0] = 0x80 + i;
3713: DWORD rc = CharUpperBuffA((LPSTR)c, 1);
3714: mem[UPPERTABLE_TOP + 2 + i] = (rc == 1 && c[0]) ? c[0] : 0x80 + i;
3715: }
3716: }
3717:
1.1.1.23 root 3718: // lowercase table (func 6503h)
3719: void msdos_lower_table_update()
3720: {
3721: *(UINT16 *)(mem + LOWERTABLE_TOP) = 0x80;
3722: for(unsigned i = 0; i < 0x80; ++i) {
3723: UINT8 c[4];
1.1.1.33 root 3724: *(UINT32 *)c = 0; // reset internal conversion state
3725: CharLowerBuffA((LPSTR)c, 4); // (workaround for MBCS codepage)
1.1.1.23 root 3726: c[0] = 0x80 + i;
3727: DWORD rc = CharLowerBuffA((LPSTR)c, 1);
3728: mem[LOWERTABLE_TOP + 2 + i] = (rc == 1 && c[0]) ? c[0] : 0x80 + i;
3729: }
3730: }
3731:
1.1.1.17 root 3732: // filename uppercase table (func 6504h)
3733: void msdos_filename_upper_table_init()
3734: {
3735: // depended on (file)system, not on active codepage
3736: // temporary solution: just filling data
3737: *(UINT16 *)(mem + FILENAME_UPPERTABLE_TOP) = 0x80;
1.1.1.22 root 3738: for(unsigned i = 0; i < 0x80; ++i) {
1.1.1.17 root 3739: mem[FILENAME_UPPERTABLE_TOP + 2 + i] = 0x80 + i;
3740: }
3741: }
3742:
3743: // filaname terminator table (func 6505h)
3744: void msdos_filename_terminator_table_init()
3745: {
3746: const char illegal_chars[] = ".\"/\\[]:|<>+=;,"; // for standard MS-DOS fs.
3747: UINT8 *data = mem + FILENAME_TERMINATOR_TOP;
3748:
3749: data[2] = 1; // marker? (permissible character value)
3750: data[3] = 0x00; // 00h...FFh
3751: data[4] = 0xff;
3752: data[5] = 0; // marker? (excluded character)
3753: data[6] = 0x00; // 00h...20h
3754: data[7] = 0x20;
3755: data[8] = 2; // marker? (illegal characters for filename)
3756: data[9] = (UINT8)strlen(illegal_chars);
3757: memcpy(data + 10, illegal_chars, data[9]);
3758:
3759: // total length
3760: *(UINT16 *)data = (10 - 2) + data[9];
3761: }
3762:
3763: // collating table (func 6506h)
3764: void msdos_collating_table_update()
3765: {
3766: // temporary solution: just filling data
3767: *(UINT16 *)(mem + COLLATING_TABLE_TOP) = 0x100;
1.1.1.22 root 3768: for(unsigned i = 0; i < 256; ++i) {
1.1.1.17 root 3769: mem[COLLATING_TABLE_TOP + 2 + i] = i;
3770: }
3771: }
3772:
1.1 root 3773: // dbcs
3774:
3775: void msdos_dbcs_table_update()
3776: {
3777: UINT8 dbcs_data[DBCS_SIZE];
3778: memset(dbcs_data, 0, sizeof(dbcs_data));
3779:
3780: CPINFO info;
3781: GetCPInfo(active_code_page, &info);
3782:
3783: if(info.MaxCharSize != 1) {
3784: for(int i = 0;; i += 2) {
3785: UINT8 lo = info.LeadByte[i + 0];
3786: UINT8 hi = info.LeadByte[i + 1];
3787: dbcs_data[2 + i + 0] = lo;
3788: dbcs_data[2 + i + 1] = hi;
3789: if(lo == 0 && hi == 0) {
3790: dbcs_data[0] = i + 2;
3791: break;
3792: }
3793: }
3794: } else {
3795: dbcs_data[0] = 2; // ???
3796: }
3797: memcpy(mem + DBCS_TOP, dbcs_data, sizeof(dbcs_data));
3798: }
3799:
1.1.1.17 root 3800: void msdos_dbcs_table_finish()
3801: {
1.1.1.32 root 3802: if(system_code_page != _getmbcp()) {
1.1.1.17 root 3803: _setmbcp(system_code_page);
3804: }
1.1.1.32 root 3805: if(console_code_page != GetConsoleCP()) {
3806: SetConsoleCP(console_code_page);
3807: SetConsoleOutputCP(console_code_page);
3808: }
1.1.1.17 root 3809: }
3810:
3811: void msdos_nls_tables_init()
1.1 root 3812: {
1.1.1.32 root 3813: active_code_page = console_code_page = GetConsoleCP();
3814: system_code_page = _getmbcp();
3815:
3816: if(active_code_page != system_code_page) {
3817: if(_setmbcp(active_code_page) != 0) {
3818: active_code_page = system_code_page;
3819: }
3820: }
3821:
1.1.1.17 root 3822: msdos_upper_table_update();
1.1.1.23 root 3823: msdos_lower_table_update();
1.1.1.17 root 3824: msdos_filename_terminator_table_init();
3825: msdos_filename_upper_table_init();
3826: msdos_collating_table_update();
1.1 root 3827: msdos_dbcs_table_update();
3828: }
3829:
1.1.1.17 root 3830: void msdos_nls_tables_update()
1.1 root 3831: {
1.1.1.17 root 3832: msdos_dbcs_table_update();
3833: msdos_upper_table_update();
1.1.1.23 root 3834: msdos_lower_table_update();
3835: // msdos_collating_table_update();
1.1 root 3836: }
3837:
3838: int msdos_lead_byte_check(UINT8 code)
3839: {
3840: UINT8 *dbcs_table = mem + DBCS_TABLE;
3841:
3842: for(int i = 0;; i += 2) {
3843: UINT8 lo = dbcs_table[i + 0];
3844: UINT8 hi = dbcs_table[i + 1];
3845: if(lo == 0 && hi == 0) {
3846: break;
3847: }
3848: if(lo <= code && code <= hi) {
3849: return(1);
3850: }
3851: }
3852: return(0);
3853: }
3854:
1.1.1.20 root 3855: int msdos_ctrl_code_check(UINT8 code)
3856: {
1.1.1.22 root 3857: return (code >= 0x01 && code <= 0x1a && code != 0x07 && code != 0x08 && code != 0x09 && code != 0x0a && code != 0x0d);
1.1.1.20 root 3858: }
3859:
1.1.1.36 root 3860: int msdos_kanji_2nd_byte_check(UINT8 *buf, int n)
3861: {
3862: int is_kanji_1st = 0;
3863: int is_kanji_2nd = 0;
3864:
3865: for(int p = 0;; p++) {
3866: if(is_kanji_1st) {
3867: is_kanji_1st = 0;
3868: is_kanji_2nd = 1;
3869: } else if(msdos_lead_byte_check(buf[p])) {
3870: is_kanji_1st = 1;
3871: }
3872: if(p == n) {
3873: return(is_kanji_2nd);
3874: }
3875: is_kanji_2nd = 0;
3876: }
3877: }
3878:
1.1 root 3879: // file control
3880:
1.1.1.45! root 3881: const char *msdos_remove_double_quote(const char *path)
1.1.1.14 root 3882: {
3883: static char tmp[MAX_PATH];
3884:
3885: if(strlen(path) >= 2 && path[0] == '"' && path[strlen(path) - 1] == '"') {
1.1.1.45! root 3886: memset(tmp, 0, sizeof(tmp));
1.1.1.14 root 3887: memcpy(tmp, path + 1, strlen(path) - 2);
3888: } else {
3889: strcpy(tmp, path);
3890: }
3891: return(tmp);
3892: }
3893:
1.1.1.45! root 3894: const char *msdos_remove_end_separator(const char *path)
1.1.1.32 root 3895: {
3896: static char tmp[MAX_PATH];
3897:
3898: strcpy(tmp, path);
1.1.1.45! root 3899:
! 3900: // for example "C:\" case, the end separator should not be removed
! 3901: if(strlen(tmp) > 3 && tmp[strlen(tmp) - 1] == '\\') {
! 3902: tmp[strlen(tmp) - 1] = '\0';
1.1.1.32 root 3903: }
3904: return(tmp);
3905: }
3906:
1.1.1.45! root 3907: const char *msdos_combine_path(const char *dir, const char *file)
1.1.1.14 root 3908: {
3909: static char tmp[MAX_PATH];
1.1.1.45! root 3910: const char *tmp_dir = msdos_remove_double_quote(dir);
1.1.1.14 root 3911:
3912: if(strlen(tmp_dir) == 0) {
3913: strcpy(tmp, file);
3914: } else if(tmp_dir[strlen(tmp_dir) - 1] == '\\') {
3915: sprintf(tmp, "%s%s", tmp_dir, file);
3916: } else {
3917: sprintf(tmp, "%s\\%s", tmp_dir, file);
3918: }
3919: return(tmp);
3920: }
3921:
1.1.1.45! root 3922: const char *msdos_trimmed_path(const char *path, int lfn)
1.1 root 3923: {
3924: static char tmp[MAX_PATH];
3925:
3926: if(lfn) {
3927: strcpy(tmp, path);
3928: } else {
3929: // remove space in the path
1.1.1.45! root 3930: const char *src = path;
! 3931: char *dst = tmp;
1.1 root 3932:
3933: while(*src != '\0') {
3934: if(msdos_lead_byte_check(*src)) {
3935: *dst++ = *src++;
3936: *dst++ = *src++;
3937: } else if(*src != ' ') {
3938: *dst++ = *src++;
3939: } else {
3940: src++; // skip space
3941: }
3942: }
3943: *dst = '\0';
3944: }
1.1.1.14 root 3945: if(_stricmp(tmp, "C:\\COMMAND.COM") == 0) {
3946: // redirect C:\COMMAND.COM to comspec_path
3947: strcpy(tmp, comspec_path);
3948: } else if(is_vista_or_later && _access(tmp, 0) != 0) {
3949: // redirect new files (without wildcards) in C:\ to %TEMP%, since C:\ is not usually writable
3950: static int root_drive_protected = -1;
3951: char temp[MAX_PATH], name[MAX_PATH], *name_temp = NULL;
3952: dos_info_t *dos_info = (dos_info_t *)(mem + DOS_INFO_TOP);
3953:
3954: if(GetFullPathName(tmp, MAX_PATH, temp, &name_temp) != 0 &&
3955: name_temp != NULL && strstr(name_temp, "?") == NULL && strstr(name_temp, "*") == NULL) {
3956: strcpy(name, name_temp);
3957: name_temp[0] = '\0';
3958:
3959: if((temp[0] == 'A' + dos_info->boot_drive - 1 || temp[0] == 'a' + dos_info->boot_drive - 1) &&
3960: (temp[1] == ':') && (temp[2] == '\\' || temp[2] == '/') && (temp[3] == '\0')) {
3961: if(root_drive_protected == -1) {
3962: FILE *fp = NULL;
3963:
3964: sprintf(temp, "%c:\\MS-DOS_Player.$$$", 'A' + dos_info->boot_drive - 1);
3965: root_drive_protected = 1;
3966: try {
3967: if((fp = fopen(temp, "w")) != NULL) {
3968: if(fprintf(fp, "TEST") == 4) {
3969: root_drive_protected = 0;
3970: }
3971: }
3972: } catch(...) {
3973: }
3974: if(fp != NULL) {
3975: fclose(fp);
3976: }
3977: if(_access(temp, 0) == 0) {
3978: remove(temp);
3979: }
3980: }
3981: if(root_drive_protected == 1) {
3982: if(GetEnvironmentVariable("TEMP", temp, MAX_PATH) != 0 ||
3983: GetEnvironmentVariable("TMP", temp, MAX_PATH) != 0) {
3984: strcpy(tmp, msdos_combine_path(temp, name));
3985: }
3986: }
3987: }
3988: }
3989: }
1.1 root 3990: return(tmp);
3991: }
3992:
1.1.1.45! root 3993: const char *msdos_get_multiple_short_path(const char *src)
1.1.1.28 root 3994: {
1.1.1.32 root 3995: // "LONGPATH\";"LONGPATH\";"LONGPATH\" to SHORTPATH;SHORTPATH;SHORTPATH
1.1.1.28 root 3996: static char env_path[ENV_SIZE];
3997: char tmp[ENV_SIZE], *token;
3998:
3999: memset(env_path, 0, sizeof(env_path));
4000: strcpy(tmp, src);
4001: token = my_strtok(tmp, ";");
4002:
4003: while(token != NULL) {
4004: if(token[0] != '\0') {
1.1.1.45! root 4005: const char *path = msdos_remove_double_quote(token);
! 4006: char short_path[MAX_PATH];
1.1.1.32 root 4007: if(path != NULL && strlen(path) != 0) {
4008: if(env_path[0] != '\0') {
4009: strcat(env_path, ";");
4010: }
1.1.1.28 root 4011: if(GetShortPathName(path, short_path, MAX_PATH) == 0) {
1.1.1.32 root 4012: strcat(env_path, msdos_remove_end_separator(path));
1.1.1.28 root 4013: } else {
4014: my_strupr(short_path);
1.1.1.32 root 4015: strcat(env_path, msdos_remove_end_separator(short_path));
1.1.1.28 root 4016: }
4017: }
4018: }
4019: token = my_strtok(NULL, ";");
4020: }
4021: return(env_path);
4022: }
4023:
1.1.1.45! root 4024: bool match(const char *text, const char *pattern)
1.1 root 4025: {
1.1.1.24 root 4026: // http://www.prefield.com/algorithm/string/wildcard.html
1.1.1.14 root 4027: switch(*pattern) {
1.1 root 4028: case '\0':
4029: return !*text;
4030: case '*':
1.1.1.14 root 4031: return match(text, pattern + 1) || (*text && match(text + 1, pattern));
1.1 root 4032: case '?':
4033: return *text && match(text + 1, pattern + 1);
4034: default:
4035: return (*text == *pattern) && match(text + 1, pattern + 1);
4036: }
4037: }
4038:
1.1.1.45! root 4039: bool msdos_match_volume_label(const char *path, const char *volume)
1.1 root 4040: {
1.1.1.45! root 4041: const char *p = NULL;
1.1 root 4042:
1.1.1.14 root 4043: if(!*volume) {
4044: return false;
4045: } else if((p = my_strchr(path, ':')) != NULL) {
1.1 root 4046: return msdos_match_volume_label(p + 1, volume);
4047: } else if((p = my_strchr(path, '\\')) != NULL) {
4048: return msdos_match_volume_label(p + 1, volume);
4049: } else if((p = my_strchr(path, '.')) != NULL) {
1.1.1.14 root 4050: char tmp[MAX_PATH];
4051: sprintf(tmp, "%.*s%s", (int)(p - path), path, p + 1);
4052: return match(volume, tmp);
1.1 root 4053: } else {
4054: return match(volume, path);
4055: }
4056: }
4057:
1.1.1.45! root 4058: const char *msdos_fcb_path(fcb_t *fcb)
1.1 root 4059: {
4060: static char tmp[MAX_PATH];
4061: char name[9], ext[4];
4062:
4063: memset(name, 0, sizeof(name));
4064: memcpy(name, fcb->file_name, 8);
4065: strcpy(name, msdos_trimmed_path(name, 0));
4066:
4067: memset(ext, 0, sizeof(ext));
4068: memcpy(ext, fcb->file_name + 8, 3);
4069: strcpy(ext, msdos_trimmed_path(ext, 0));
4070:
4071: if(name[0] == '\0' || strcmp(name, "????????") == 0) {
4072: strcpy(name, "*");
4073: }
4074: if(ext[0] == '\0') {
4075: strcpy(tmp, name);
4076: } else {
4077: if(strcmp(ext, "???") == 0) {
4078: strcpy(ext, "*");
4079: }
4080: sprintf(tmp, "%s.%s", name, ext);
4081: }
4082: return(tmp);
4083: }
4084:
1.1.1.45! root 4085: void msdos_set_fcb_path(fcb_t *fcb, const char *path)
1.1 root 4086: {
4087: char *ext = my_strchr(path, '.');
4088:
4089: memset(fcb->file_name, 0x20, 8 + 3);
4090: if(ext != NULL && path[0] != '.') {
4091: *ext = '\0';
4092: memcpy(fcb->file_name + 8, ext + 1, strlen(ext + 1));
4093: }
4094: memcpy(fcb->file_name, path, strlen(path));
4095: }
4096:
1.1.1.45! root 4097: const char *msdos_short_path(const char *path)
1.1 root 4098: {
4099: static char tmp[MAX_PATH];
4100:
1.1.1.24 root 4101: if(GetShortPathName(path, tmp, MAX_PATH) == 0) {
4102: strcpy(tmp, path);
4103: }
1.1 root 4104: my_strupr(tmp);
4105: return(tmp);
4106: }
4107:
1.1.1.45! root 4108: const char *msdos_short_name(WIN32_FIND_DATA *fd)
1.1.1.13 root 4109: {
4110: static char tmp[MAX_PATH];
1.1.1.45! root 4111:
1.1.1.14 root 4112: if(fd->cAlternateFileName[0]) {
1.1.1.13 root 4113: strcpy(tmp, fd->cAlternateFileName);
4114: } else {
4115: strcpy(tmp, fd->cFileName);
4116: }
4117: my_strupr(tmp);
4118: return(tmp);
4119: }
4120:
1.1.1.45! root 4121: const char *msdos_short_full_path(const char *path)
1.1 root 4122: {
4123: static char tmp[MAX_PATH];
4124: char full[MAX_PATH], *name;
4125:
1.1.1.14 root 4126: // Full works with non-existent files, but Short does not
1.1 root 4127: GetFullPathName(path, MAX_PATH, full, &name);
1.1.1.14 root 4128: *tmp = '\0';
4129: if(GetShortPathName(full, tmp, MAX_PATH) == 0 && name > path) {
4130: name[-1] = '\0';
4131: DWORD len = GetShortPathName(full, tmp, MAX_PATH);
4132: if(len == 0) {
4133: strcpy(tmp, full);
4134: } else {
4135: tmp[len++] = '\\';
4136: strcpy(tmp + len, name);
4137: }
4138: }
1.1 root 4139: my_strupr(tmp);
4140: return(tmp);
4141: }
4142:
1.1.1.45! root 4143: const char *msdos_short_full_dir(const char *path)
1.1 root 4144: {
4145: static char tmp[MAX_PATH];
4146: char full[MAX_PATH], *name;
4147:
4148: GetFullPathName(path, MAX_PATH, full, &name);
4149: name[-1] = '\0';
1.1.1.24 root 4150: if(GetShortPathName(full, tmp, MAX_PATH) == 0) {
4151: strcpy(tmp, full);
4152: }
1.1 root 4153: my_strupr(tmp);
4154: return(tmp);
4155: }
4156:
1.1.1.45! root 4157: const char *msdos_local_file_path(const char *path, int lfn)
1.1 root 4158: {
1.1.1.45! root 4159: static char trimmed[MAX_PATH];
! 4160:
! 4161: strcpy(trimmed, msdos_trimmed_path(path, lfn));
1.1.1.14 root 4162: #if 0
4163: // I have forgotten the reason of this routine... :-(
1.1 root 4164: if(_access(trimmed, 0) != 0) {
4165: process_t *process = msdos_process_info_get(current_psp);
4166: static char tmp[MAX_PATH];
4167:
4168: sprintf(tmp, "%s\\%s", process->module_dir, trimmed);
4169: if(_access(tmp, 0) == 0) {
4170: return(tmp);
4171: }
4172: }
1.1.1.14 root 4173: #endif
1.1 root 4174: return(trimmed);
4175: }
4176:
1.1.1.45! root 4177: bool msdos_is_device_path(const char *path)
1.1.1.11 root 4178: {
4179: char full[MAX_PATH], *name;
4180:
1.1.1.24 root 4181: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
1.1.1.29 root 4182: if(_stricmp(full, "\\\\.\\AUX" ) == 0 ||
4183: _stricmp(full, "\\\\.\\CON" ) == 0 ||
4184: _stricmp(full, "\\\\.\\NUL" ) == 0 ||
4185: _stricmp(full, "\\\\.\\PRN" ) == 0 ||
4186: _stricmp(full, "\\\\.\\COM1") == 0 ||
4187: _stricmp(full, "\\\\.\\COM2") == 0 ||
4188: _stricmp(full, "\\\\.\\COM3") == 0 ||
4189: _stricmp(full, "\\\\.\\COM4") == 0 ||
4190: _stricmp(full, "\\\\.\\COM5") == 0 ||
4191: _stricmp(full, "\\\\.\\COM6") == 0 ||
4192: _stricmp(full, "\\\\.\\COM7") == 0 ||
4193: _stricmp(full, "\\\\.\\COM8") == 0 ||
4194: _stricmp(full, "\\\\.\\COM9") == 0 ||
4195: _stricmp(full, "\\\\.\\LPT1") == 0 ||
4196: _stricmp(full, "\\\\.\\LPT2") == 0 ||
4197: _stricmp(full, "\\\\.\\LPT3") == 0 ||
4198: _stricmp(full, "\\\\.\\LPT4") == 0 ||
4199: _stricmp(full, "\\\\.\\LPT5") == 0 ||
4200: _stricmp(full, "\\\\.\\LPT6") == 0 ||
4201: _stricmp(full, "\\\\.\\LPT7") == 0 ||
4202: _stricmp(full, "\\\\.\\LPT8") == 0 ||
4203: _stricmp(full, "\\\\.\\LPT9") == 0) {
4204: return(true);
4205: } else if(name != NULL) {
4206: if(_stricmp(name, "CLOCK$" ) == 0 ||
4207: _stricmp(name, "CONFIG$" ) == 0 ||
1.1.1.30 root 4208: _stricmp(name, "EMMXXXX0") == 0 ||
1.1.1.43 root 4209: // _stricmp(name, "SCSIMGR$") == 0 ||
1.1.1.30 root 4210: _stricmp(name, "$IBMAIAS") == 0) {
1.1.1.29 root 4211: return(true);
4212: }
4213: }
1.1.1.24 root 4214: }
4215: return(false);
1.1.1.11 root 4216: }
4217:
1.1.1.45! root 4218: bool msdos_is_con_path(const char *path)
1.1.1.8 root 4219: {
1.1.1.14 root 4220: char full[MAX_PATH], *name;
1.1.1.8 root 4221:
1.1.1.24 root 4222: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
1.1.1.29 root 4223: return(_stricmp(full, "\\\\.\\CON") == 0);
1.1.1.24 root 4224: }
4225: return(false);
4226: }
4227:
1.1.1.45! root 4228: int msdos_is_comm_path(const char *path)
1.1.1.24 root 4229: {
4230: char full[MAX_PATH], *name;
4231:
4232: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
1.1.1.29 root 4233: if(_stricmp(full, "\\\\.\\COM1") == 0) {
4234: return(1);
4235: } else if(_stricmp(full, "\\\\.\\COM2") == 0) {
4236: return(2);
4237: } else if(_stricmp(full, "\\\\.\\COM3") == 0) {
4238: return(3);
4239: } else if(_stricmp(full, "\\\\.\\COM4") == 0) {
4240: return(4);
1.1.1.24 root 4241: }
4242: }
1.1.1.29 root 4243: return(0);
4244: }
4245:
1.1.1.45! root 4246: void msdos_set_comm_params(int sio_port, const char *path)
1.1.1.37 root 4247: {
4248: // 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 4249: const char *p = NULL;
1.1.1.37 root 4250:
4251: if((p = strstr(path, ":")) != NULL) {
4252: UINT8 selector = sio_read(sio_port - 1, 3);
4253:
4254: // baud rate
4255: int baud = max(110, min(9600, atoi(p + 1)));
4256: UINT16 divisor = 115200 / baud;
4257:
4258: if((p = strstr(p + 1, ",")) != NULL) {
4259: // parity
4260: if(p[1] == 'N' || p[1] == 'n') {
4261: selector = (selector & ~0x38) | 0x00;
4262: } else if(p[1] == 'O' || p[1] == 'o') {
4263: selector = (selector & ~0x38) | 0x08;
4264: } else if(p[1] == 'E' || p[1] == 'e') {
4265: selector = (selector & ~0x38) | 0x18;
4266: } else if(p[1] == 'M' || p[1] == 'm') {
4267: selector = (selector & ~0x38) | 0x28;
4268: } else if(p[1] == 'S' || p[1] == 's') {
4269: selector = (selector & ~0x38) | 0x38;
4270: }
4271: if((p = strstr(p + 1, ",")) != NULL) {
4272: // word length
4273: if(p[1] == '8') {
4274: selector = (selector & ~0x03) | 0x03;
4275: } else if(p[1] == '7') {
4276: selector = (selector & ~0x03) | 0x02;
4277: } else if(p[1] == '6') {
4278: selector = (selector & ~0x03) | 0x01;
4279: } else if(p[1] == '5') {
4280: selector = (selector & ~0x03) | 0x00;
4281: }
4282: if((p = strstr(p + 1, ",")) != NULL) {
4283: // stop bits
4284: float bits = atof(p + 1);
4285: if(bits > 1.0F) {
4286: selector |= 0x04;
4287: } else {
4288: selector &= ~0x04;
4289: }
4290: }
4291: }
4292: }
4293: sio_write(sio_port - 1, 3, selector | 0x80);
4294: sio_write(sio_port - 1, 0, divisor & 0xff);
4295: sio_write(sio_port - 1, 1, divisor >> 8);
4296: sio_write(sio_port - 1, 3, selector);
4297: }
4298: }
4299:
1.1.1.45! root 4300: int msdos_is_prn_path(const char *path)
1.1.1.30 root 4301: {
4302: char full[MAX_PATH], *name;
4303:
4304: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
4305: if(_stricmp(full, "\\\\.\\PRN") == 0) {
4306: return(1);
4307: } else if(_stricmp(full, "\\\\.\\LPT1") == 0) {
4308: return(1);
4309: } else if(_stricmp(full, "\\\\.\\LPT2") == 0) {
4310: return(2);
4311: } else if(_stricmp(full, "\\\\.\\LPT3") == 0) {
4312: return(3);
4313: }
4314: }
4315: return(0);
4316: }
4317:
1.1.1.44 root 4318: bool msdos_is_valid_drive(int drv)
4319: {
4320: return(drv >= 0 && drv < 26 && (GetLogicalDrives() & (1 << drv)) != 0);
4321: }
4322:
4323: bool msdos_is_removable_drive(int drv)
4324: {
4325: char volume[] = "A:\\";
4326:
4327: volume[0] = 'A' + drv;
4328:
4329: return(GetDriveType(volume) == DRIVE_REMOVABLE);
4330: }
4331:
4332: bool msdos_is_cdrom_drive(int drv)
4333: {
4334: char volume[] = "A:\\";
4335:
4336: volume[0] = 'A' + drv;
4337:
4338: return(GetDriveType(volume) == DRIVE_CDROM);
4339: }
4340:
4341: bool msdos_is_remote_drive(int drv)
4342: {
4343: char volume[] = "A:\\";
4344:
4345: volume[0] = 'A' + drv;
4346:
4347: return(GetDriveType(volume) == DRIVE_REMOTE);
4348: }
4349:
4350: bool msdos_is_subst_drive(int drv)
4351: {
4352: char device[] = "A:", path[MAX_PATH];
4353:
4354: device[0] = 'A' + drv;
4355:
4356: if(QueryDosDevice(device, path, MAX_PATH)) {
4357: if(strncmp(path, "\\??\\", 4) == 0) {
4358: return(true);
4359: }
4360: }
4361: return(false);
4362: }
4363:
1.1.1.45! root 4364: bool msdos_is_existing_file(const char *path)
1.1.1.24 root 4365: {
4366: // http://d.hatena.ne.jp/yu-hr/20100317/1268826458
4367: WIN32_FIND_DATA FindData;
4368: HANDLE hFind;
4369:
4370: if((hFind = FindFirstFile(path, &FindData)) != INVALID_HANDLE_VALUE) {
4371: FindClose(hFind);
4372: return(!(FindData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY));
4373: }
4374: return(false);
1.1.1.8 root 4375: }
4376:
1.1.1.45! root 4377: const char *msdos_search_command_com(const char *command_path, const char *env_path)
1.1.1.9 root 4378: {
4379: static char tmp[MAX_PATH];
1.1.1.28 root 4380: char path[ENV_SIZE], *file_name;
1.1.1.9 root 4381:
1.1.1.28 root 4382: // check if COMMAND.COM is in the same directory as the target program file
1.1.1.9 root 4383: if(GetFullPathName(command_path, MAX_PATH, tmp, &file_name) != 0) {
4384: sprintf(file_name, "COMMAND.COM");
4385: if(_access(tmp, 0) == 0) {
4386: return(tmp);
4387: }
4388: }
1.1.1.28 root 4389:
4390: // check if COMMAND.COM is in the same directory as the running msdos.exe
1.1.1.9 root 4391: if(GetModuleFileName(NULL, path, MAX_PATH) != 0 && GetFullPathName(path, MAX_PATH, tmp, &file_name) != 0) {
4392: sprintf(file_name, "COMMAND.COM");
4393: if(_access(tmp, 0) == 0) {
4394: return(tmp);
4395: }
4396: }
1.1.1.28 root 4397:
4398: // check if COMMAND.COM is in the current directory
1.1.1.9 root 4399: if(GetFullPathName("COMMAND.COM", MAX_PATH, tmp, &file_name) != 0) {
4400: if(_access(tmp, 0) == 0) {
4401: return(tmp);
4402: }
4403: }
1.1.1.28 root 4404:
4405: // cehck if COMMAND.COM is in the directory that is in MSDOS_PATH and PATH environment variables
4406: strcpy(path, env_path);
4407: char *token = my_strtok(path, ";");
1.1.1.9 root 4408: while(token != NULL) {
1.1.1.14 root 4409: if(strlen(token) != 0 && token[0] != '%') {
1.1.1.9 root 4410: strcpy(tmp, msdos_combine_path(token, "COMMAND.COM"));
4411: if(_access(tmp, 0) == 0) {
4412: return(tmp);
4413: }
4414: }
4415: token = my_strtok(NULL, ";");
4416: }
4417: return(NULL);
4418: }
4419:
1.1.1.14 root 4420: int msdos_drive_number(const char *path)
1.1 root 4421: {
4422: char tmp[MAX_PATH], *name;
4423:
1.1.1.45! root 4424: if(GetFullPathName(path, MAX_PATH, tmp, &name) >= 2 && tmp[1] == ':') {
! 4425: if(tmp[0] >= 'a' && tmp[0] <= 'z') {
! 4426: return(tmp[0] - 'a');
! 4427: } else if(tmp[0] >= 'A' && tmp[0] <= 'Z') {
! 4428: return(tmp[0] - 'A');
! 4429: }
1.1 root 4430: }
1.1.1.45! root 4431: // return(msdos_drive_number("."));
! 4432: return(_getdrive() - 1);
1.1 root 4433: }
4434:
1.1.1.45! root 4435: const char *msdos_volume_label(const char *path)
1.1 root 4436: {
4437: static char tmp[MAX_PATH];
4438: char volume[] = "A:\\";
4439:
4440: if(path[1] == ':') {
4441: volume[0] = path[0];
4442: } else {
4443: volume[0] = 'A' + _getdrive() - 1;
4444: }
4445: if(!GetVolumeInformation(volume, tmp, MAX_PATH, NULL, NULL, NULL, NULL, 0)) {
4446: memset(tmp, 0, sizeof(tmp));
4447: }
4448: return(tmp);
4449: }
4450:
1.1.1.45! root 4451: const char *msdos_short_volume_label(const char *label)
1.1 root 4452: {
4453: static char tmp[(8 + 1 + 3) + 1];
1.1.1.45! root 4454: const char *src = label;
1.1 root 4455: int remain = strlen(label);
4456: char *dst_n = tmp;
4457: char *dst_e = tmp + 9;
4458:
4459: strcpy(tmp, " . ");
4460: for(int i = 0; i < 8 && remain > 0; i++) {
4461: if(msdos_lead_byte_check(*src)) {
4462: if(++i == 8) {
4463: break;
4464: }
4465: *dst_n++ = *src++;
4466: remain--;
4467: }
4468: *dst_n++ = *src++;
4469: remain--;
4470: }
4471: if(remain > 0) {
4472: for(int i = 0; i < 3 && remain > 0; i++) {
4473: if(msdos_lead_byte_check(*src)) {
4474: if(++i == 3) {
4475: break;
4476: }
4477: *dst_e++ = *src++;
4478: remain--;
4479: }
4480: *dst_e++ = *src++;
4481: remain--;
4482: }
4483: *dst_e = '\0';
4484: } else {
4485: *dst_n = '\0';
4486: }
4487: my_strupr(tmp);
4488: return(tmp);
4489: }
4490:
1.1.1.13 root 4491: errno_t msdos_maperr(unsigned long oserrno)
4492: {
4493: _doserrno = oserrno;
1.1.1.14 root 4494: switch(oserrno) {
1.1.1.13 root 4495: case ERROR_FILE_NOT_FOUND: // 2
4496: case ERROR_PATH_NOT_FOUND: // 3
4497: case ERROR_INVALID_DRIVE: // 15
4498: case ERROR_NO_MORE_FILES: // 18
4499: case ERROR_BAD_NETPATH: // 53
4500: case ERROR_BAD_NET_NAME: // 67
4501: case ERROR_BAD_PATHNAME: // 161
4502: case ERROR_FILENAME_EXCED_RANGE: // 206
4503: return ENOENT;
4504: case ERROR_TOO_MANY_OPEN_FILES: // 4
4505: return EMFILE;
4506: case ERROR_ACCESS_DENIED: // 5
4507: case ERROR_CURRENT_DIRECTORY: // 16
4508: case ERROR_NETWORK_ACCESS_DENIED: // 65
4509: case ERROR_CANNOT_MAKE: // 82
4510: case ERROR_FAIL_I24: // 83
4511: case ERROR_DRIVE_LOCKED: // 108
4512: case ERROR_SEEK_ON_DEVICE: // 132
4513: case ERROR_NOT_LOCKED: // 158
4514: case ERROR_LOCK_FAILED: // 167
4515: return EACCES;
4516: case ERROR_INVALID_HANDLE: // 6
4517: case ERROR_INVALID_TARGET_HANDLE: // 114
4518: case ERROR_DIRECT_ACCESS_HANDLE: // 130
4519: return EBADF;
4520: case ERROR_ARENA_TRASHED: // 7
4521: case ERROR_NOT_ENOUGH_MEMORY: // 8
4522: case ERROR_INVALID_BLOCK: // 9
4523: case ERROR_NOT_ENOUGH_QUOTA: // 1816
4524: return ENOMEM;
4525: case ERROR_BAD_ENVIRONMENT: // 10
4526: return E2BIG;
4527: case ERROR_BAD_FORMAT: // 11
4528: return ENOEXEC;
4529: case ERROR_NOT_SAME_DEVICE: // 17
4530: return EXDEV;
4531: case ERROR_FILE_EXISTS: // 80
4532: case ERROR_ALREADY_EXISTS: // 183
4533: return EEXIST;
4534: case ERROR_NO_PROC_SLOTS: // 89
4535: case ERROR_MAX_THRDS_REACHED: // 164
4536: case ERROR_NESTING_NOT_ALLOWED: // 215
4537: return EAGAIN;
4538: case ERROR_BROKEN_PIPE: // 109
4539: return EPIPE;
4540: case ERROR_DISK_FULL: // 112
4541: return ENOSPC;
4542: case ERROR_WAIT_NO_CHILDREN: // 128
4543: case ERROR_CHILD_NOT_COMPLETE: // 129
4544: return ECHILD;
4545: case ERROR_DIR_NOT_EMPTY: // 145
4546: return ENOTEMPTY;
4547: }
1.1.1.14 root 4548: if(oserrno >= ERROR_WRITE_PROTECT /* 19 */ &&
1.1.1.13 root 4549: oserrno <= ERROR_SHARING_BUFFER_EXCEEDED /* 36 */) {
4550: return EACCES;
4551: }
1.1.1.14 root 4552: if(oserrno >= ERROR_INVALID_STARTING_CODESEG /* 188 */ &&
1.1.1.13 root 4553: oserrno <= ERROR_INFLOOP_IN_RELOC_CHAIN /* 202 */) {
4554: return ENOEXEC;
4555: }
4556: return EINVAL;
4557: }
4558:
1.1.1.45! root 4559: int msdos_open(const char *path, int oflag)
1.1.1.13 root 4560: {
1.1.1.14 root 4561: if((oflag & (_O_RDONLY | _O_WRONLY | _O_RDWR)) != _O_RDONLY) {
1.1.1.45! root 4562: return(_open(path, oflag));
1.1.1.13 root 4563: }
1.1.1.14 root 4564:
4565: SECURITY_ATTRIBUTES sa = { sizeof(SECURITY_ATTRIBUTES), NULL, !(oflag & _O_NOINHERIT) };
1.1.1.13 root 4566: DWORD disposition;
1.1.1.14 root 4567: switch(oflag & (_O_CREAT | _O_EXCL | _O_TRUNC)) {
4568: default:
1.1.1.13 root 4569: case _O_EXCL:
4570: disposition = OPEN_EXISTING;
4571: break;
4572: case _O_CREAT:
4573: disposition = OPEN_ALWAYS;
4574: break;
4575: case _O_CREAT | _O_EXCL:
4576: case _O_CREAT | _O_TRUNC | _O_EXCL:
4577: disposition = CREATE_NEW;
4578: break;
4579: case _O_TRUNC:
4580: case _O_TRUNC | _O_EXCL:
4581: disposition = TRUNCATE_EXISTING;
4582: break;
4583: case _O_CREAT | _O_TRUNC:
4584: disposition = CREATE_ALWAYS;
4585: break;
4586: }
1.1.1.14 root 4587:
1.1.1.45! root 4588: HANDLE h = CreateFile(path, GENERIC_READ | FILE_WRITE_ATTRIBUTES,
1.1.1.13 root 4589: FILE_SHARE_READ | FILE_SHARE_WRITE, &sa, disposition,
4590: FILE_ATTRIBUTE_NORMAL, NULL);
1.1.1.14 root 4591: if(h == INVALID_HANDLE_VALUE) {
1.1.1.13 root 4592: // FILE_WRITE_ATTRIBUTES may not be granted for standard users.
4593: // Retry without FILE_WRITE_ATTRIBUTES.
1.1.1.45! root 4594: h = CreateFile(path, GENERIC_READ,
1.1.1.13 root 4595: FILE_SHARE_READ | FILE_SHARE_WRITE, &sa, disposition,
4596: FILE_ATTRIBUTE_NORMAL, NULL);
1.1.1.14 root 4597: if(h == INVALID_HANDLE_VALUE) {
1.1.1.13 root 4598: errno = msdos_maperr(GetLastError());
1.1.1.45! root 4599: return(-1);
1.1.1.13 root 4600: }
4601: }
1.1.1.14 root 4602:
1.1.1.13 root 4603: int fd = _open_osfhandle((intptr_t) h, oflag);
1.1.1.14 root 4604: if(fd == -1) {
1.1.1.13 root 4605: CloseHandle(h);
4606: }
1.1.1.45! root 4607: return(fd);
! 4608: }
! 4609:
! 4610: int msdos_open_device(const char *path, int oflag, int *sio_port, int *lpt_port)
! 4611: {
! 4612: int fd = -1;
! 4613:
! 4614: *sio_port = *lpt_port = 0;
! 4615:
! 4616: if(msdos_is_con_path(path)) {
! 4617: // MODE.COM opens CON device with read/write mode :-(
! 4618: if((oflag & (_O_RDONLY | _O_WRONLY | _O_RDWR)) == _O_RDWR) {
! 4619: oflag &= ~(_O_RDONLY | _O_WRONLY | _O_RDWR);
! 4620: oflag |= _O_RDONLY;
! 4621: }
! 4622: if((fd = msdos_open("CON", oflag)) == -1) {
! 4623: // fd = msdos_open("NUL", oflag);
! 4624: }
! 4625: } else if((*sio_port = msdos_is_comm_path(path)) != 0) {
! 4626: fd = msdos_open("NUL", oflag);
! 4627: msdos_set_comm_params(*sio_port, path);
! 4628: } else if((*lpt_port = msdos_is_prn_path(path)) != 0) {
! 4629: fd = msdos_open("NUL", oflag);
! 4630: } else if(msdos_is_device_path(path)) {
! 4631: fd = msdos_open("NUL", oflag);
! 4632: // } else if(oflag & _O_CREAT) {
! 4633: // fd = _open(path, oflag, _S_IREAD | _S_IWRITE);
! 4634: // } else {
! 4635: // fd = _open(path, oflag);
! 4636: }
! 4637: return(fd);
! 4638: }
! 4639:
! 4640: UINT16 msdos_device_info(const char *path)
! 4641: {
! 4642: if(msdos_is_con_path(path)) {
! 4643: return(0x80d3);
! 4644: } else if(msdos_is_comm_path(path)) {
! 4645: return(0x80a0);
! 4646: } else if(msdos_is_prn_path(path)) {
! 4647: // return(0xa8c0);
! 4648: return(0x80a0);
! 4649: } else if(msdos_is_device_path(path)) {
! 4650: if(strstr(path, "EMMXXXX0") != NULL) {
! 4651: return(0xc0c0);
! 4652: } else if(strstr(path, "MSCD001") != NULL) {
! 4653: return(0xc880);
! 4654: } else {
! 4655: return(0x8084);
! 4656: }
! 4657: } else {
! 4658: return(msdos_drive_number(path));
! 4659: }
1.1.1.13 root 4660: }
4661:
1.1.1.37 root 4662: void msdos_file_handler_open(int fd, const char *path, int atty, int mode, UINT16 info, UINT16 psp_seg, int sio_port, int lpt_port)
1.1 root 4663: {
4664: static int id = 0;
4665: char full[MAX_PATH], *name;
4666:
4667: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
4668: strcpy(file_handler[fd].path, full);
4669: } else {
4670: strcpy(file_handler[fd].path, path);
4671: }
1.1.1.14 root 4672: // isatty makes no distinction between CON & NUL
4673: // GetFileSize fails on CON, succeeds on NUL
4674: if(atty && (info != 0x80d3 || GetFileSize((HANDLE)_get_osfhandle(fd), NULL) == 0)) {
1.1.1.45! root 4675: if(info == 0x80d3) {
! 4676: info = 0x8084;
! 4677: }
1.1.1.14 root 4678: atty = 0;
4679: } else if(!atty && info == 0x80d3) {
1.1.1.45! root 4680: // info = msdos_drive_number(".");
! 4681: info = msdos_drive_number(path);
1.1.1.14 root 4682: }
1.1 root 4683: file_handler[fd].valid = 1;
4684: file_handler[fd].id = id++; // dummy id for int 21h ax=71a6h
1.1.1.37 root 4685: file_handler[fd].atty = (sio_port == 0 && lpt_port == 0) ? atty : 0;
1.1 root 4686: file_handler[fd].mode = mode;
4687: file_handler[fd].info = info;
4688: file_handler[fd].psp = psp_seg;
1.1.1.37 root 4689: file_handler[fd].sio_port = sio_port;
4690: file_handler[fd].lpt_port = lpt_port;
1.1.1.21 root 4691:
4692: // init system file table
4693: if(fd < 20) {
4694: UINT8 *sft = mem + SFT_TOP + 6 + 0x3b * fd;
4695:
4696: memset(sft, 0, 0x3b);
4697:
4698: *(UINT16 *)(sft + 0x00) = 1;
4699: *(UINT16 *)(sft + 0x02) = file_handler[fd].mode;
4700: *(UINT8 *)(sft + 0x04) = GetFileAttributes(file_handler[fd].path) & 0xff;
4701: *(UINT16 *)(sft + 0x05) = file_handler[fd].info & 0xff;
4702:
4703: if(!(file_handler[fd].info & 0x80)) {
4704: *(UINT16 *)(sft + 0x07) = sizeof(dpb_t) * (file_handler[fd].info & 0x1f);
4705: *(UINT16 *)(sft + 0x09) = DPB_TOP >> 4;
4706:
4707: FILETIME time, local;
4708: HANDLE hHandle;
4709: WORD dos_date = 0, dos_time = 0;
4710: DWORD file_size = 0;
4711: if((hHandle = (HANDLE)_get_osfhandle(fd)) != INVALID_HANDLE_VALUE) {
4712: if(GetFileTime(hHandle, NULL, NULL, &time)) {
4713: FileTimeToLocalFileTime(&time, &local);
4714: FileTimeToDosDateTime(&local, &dos_date, &dos_time);
4715: }
4716: file_size = GetFileSize(hHandle, NULL);
4717: }
4718: *(UINT16 *)(sft + 0x0d) = dos_time;
4719: *(UINT16 *)(sft + 0x0f) = dos_date;
4720: *(UINT32 *)(sft + 0x11) = file_size;
4721: }
4722:
4723: char fname[MAX_PATH] = {0}, ext[MAX_PATH] = {0};
4724: _splitpath(file_handler[fd].path, NULL, NULL, fname, ext);
4725: my_strupr(fname);
4726: my_strupr(ext);
4727: memset(sft + 0x20, 0x20, 11);
4728: memcpy(sft + 0x20, fname, min(strlen(fname), 8));
4729: memcpy(sft + 0x28, ext + 1, min(strlen(ext + 1), 3));
4730:
4731: *(UINT16 *)(sft + 0x31) = psp_seg;
4732: }
1.1 root 4733: }
4734:
1.1.1.37 root 4735: void msdos_file_handler_open(int fd, const char *path, int atty, int mode, UINT16 info, UINT16 psp_seg)
4736: {
4737: msdos_file_handler_open(fd, path, atty, mode, info, psp_seg, 0, 0);
4738: }
4739:
1.1 root 4740: void msdos_file_handler_dup(int dst, int src, UINT16 psp_seg)
4741: {
4742: strcpy(file_handler[dst].path, file_handler[src].path);
4743: file_handler[dst].valid = 1;
4744: file_handler[dst].id = file_handler[src].id;
4745: file_handler[dst].atty = file_handler[src].atty;
4746: file_handler[dst].mode = file_handler[src].mode;
4747: file_handler[dst].info = file_handler[src].info;
4748: file_handler[dst].psp = psp_seg;
1.1.1.37 root 4749: file_handler[dst].sio_port = file_handler[src].sio_port;
4750: file_handler[dst].lpt_port = file_handler[src].lpt_port;
1.1 root 4751: }
4752:
1.1.1.20 root 4753: void msdos_file_handler_close(int fd)
1.1 root 4754: {
4755: file_handler[fd].valid = 0;
1.1.1.21 root 4756:
4757: if(fd < 20) {
4758: memset(mem + SFT_TOP + 6 + 0x3b * fd, 0, 0x3b);
4759: }
1.1 root 4760: }
4761:
1.1.1.14 root 4762: inline int msdos_file_attribute_create(UINT16 new_attr)
1.1 root 4763: {
1.1.1.14 root 4764: return(new_attr & (FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN |
4765: FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_ARCHIVE |
4766: FILE_ATTRIBUTE_DIRECTORY));
1.1 root 4767: }
4768:
4769: // find file
4770:
4771: int msdos_find_file_check_attribute(int attribute, int allowed_mask, int required_mask)
4772: {
4773: if((allowed_mask & 0x08) && !(attribute & FILE_ATTRIBUTE_DIRECTORY)) {
4774: return(0); // search directory only !!!
4775: } else if(!(allowed_mask & 0x02) && (attribute & FILE_ATTRIBUTE_HIDDEN)) {
4776: return(0);
4777: } else if(!(allowed_mask & 0x04) && (attribute & FILE_ATTRIBUTE_SYSTEM)) {
4778: return(0);
4779: } else if(!(allowed_mask & 0x10) && (attribute & FILE_ATTRIBUTE_DIRECTORY)) {
4780: return(0);
4781: } else if((attribute & required_mask) != required_mask) {
4782: return(0);
4783: } else {
4784: return(1);
4785: }
4786: }
4787:
1.1.1.13 root 4788: int msdos_find_file_has_8dot3name(WIN32_FIND_DATA *fd)
4789: {
1.1.1.14 root 4790: if(fd->cAlternateFileName[0]) {
1.1.1.42 root 4791: return(1);
1.1.1.13 root 4792: }
4793: size_t len = strlen(fd->cFileName);
1.1.1.14 root 4794: if(len > 12) {
1.1.1.42 root 4795: return(0);
1.1.1.13 root 4796: }
4797: const char *ext = strrchr(fd->cFileName, '.');
1.1.1.14 root 4798: if((ext ? ext - fd->cFileName : len) > 8) {
1.1.1.42 root 4799: return(0);
1.1.1.13 root 4800: }
1.1.1.42 root 4801: return(1);
1.1.1.13 root 4802: }
4803:
1.1 root 4804: void msdos_find_file_conv_local_time(WIN32_FIND_DATA *fd)
4805: {
4806: FILETIME local;
4807:
4808: FileTimeToLocalFileTime(&fd->ftCreationTime, &local);
4809: fd->ftCreationTime.dwLowDateTime = local.dwLowDateTime;
4810: fd->ftCreationTime.dwHighDateTime = local.dwHighDateTime;
4811:
4812: FileTimeToLocalFileTime(&fd->ftLastAccessTime, &local);
4813: fd->ftLastAccessTime.dwLowDateTime = local.dwLowDateTime;
4814: fd->ftLastAccessTime.dwHighDateTime = local.dwHighDateTime;
4815:
4816: FileTimeToLocalFileTime(&fd->ftLastWriteTime, &local);
4817: fd->ftLastWriteTime.dwLowDateTime = local.dwLowDateTime;
4818: fd->ftLastWriteTime.dwHighDateTime = local.dwHighDateTime;
4819: }
4820:
4821: // i/o
4822:
4823: void msdos_stdio_reopen()
4824: {
4825: if(!file_handler[0].valid) {
4826: _dup2(DUP_STDIN, 0);
4827: msdos_file_handler_open(0, "STDIN", _isatty(0), 0, 0x80d3, 0);
4828: }
4829: if(!file_handler[1].valid) {
4830: _dup2(DUP_STDOUT, 1);
4831: msdos_file_handler_open(1, "STDOUT", _isatty(1), 1, 0x80d3, 0);
4832: }
4833: if(!file_handler[2].valid) {
4834: _dup2(DUP_STDERR, 2);
4835: msdos_file_handler_open(2, "STDERR", _isatty(2), 1, 0x80d3, 0);
4836: }
1.1.1.21 root 4837: if(!file_handler[3].valid) {
4838: _dup2(DUP_STDAUX, 3);
4839: msdos_file_handler_open(3, "STDAUX", 0, 2, 0x80c0, 0);
4840: }
4841: if(!file_handler[4].valid) {
4842: _dup2(DUP_STDPRN, 4);
1.1.1.45! root 4843: // msdos_file_handler_open(4, "STDPRN", 0, 1, 0xa8c0, 0, 0, 1); // LPT1
! 4844: msdos_file_handler_open(4, "STDPRN", 0, 1, 0x80a0, 0, 0, 1); // LPT1
1.1.1.21 root 4845: }
4846: for(int i = 0; i < 5; i++) {
4847: if(msdos_psp_get_file_table(i, current_psp) == 0xff) {
4848: msdos_psp_set_file_table(i, i, current_psp);
4849: }
4850: }
1.1 root 4851: }
4852:
1.1.1.37 root 4853: int msdos_read(int fd, void *buffer, unsigned int count)
4854: {
4855: if(fd < process->max_files && file_handler[fd].valid && file_handler[fd].sio_port >= 1 && file_handler[fd].sio_port <= 4) {
4856: // read from serial port
4857: int read = 0;
4858: if(sio_port_number[file_handler[fd].sio_port - 1] != 0) {
4859: UINT8 *buf = (UINT8 *)buffer;
4860: UINT8 selector = sio_read(file_handler[fd].sio_port - 1, 3);
4861: sio_write(file_handler[fd].sio_port - 1, 3, selector & ~0x80);
1.1.1.38 root 4862: DWORD timeout = timeGetTime() + 1000;
4863: while(read < count) {
4864: if(sio_read(file_handler[fd].sio_port - 1, 5) & 0x01) {
4865: buf[read++] = sio_read(file_handler[fd].sio_port - 1, 0);
4866: timeout = timeGetTime() + 1000;
4867: } else {
4868: if(timeGetTime() > timeout) {
4869: break;
4870: }
4871: Sleep(10);
1.1.1.37 root 4872: }
4873: }
4874: sio_write(file_handler[fd].sio_port - 1, 3, selector);
4875: }
4876: return(read);
4877: }
4878: return(_read(fd, buffer, count));
4879: }
4880:
1.1 root 4881: int msdos_kbhit()
4882: {
4883: msdos_stdio_reopen();
4884:
1.1.1.20 root 4885: process_t *process = msdos_process_info_get(current_psp);
4886: int fd = msdos_psp_get_file_table(0, current_psp);
4887:
4888: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 4889: // stdin is redirected to file
1.1.1.20 root 4890: return(eof(fd) == 0);
1.1 root 4891: }
4892:
4893: // check keyboard status
1.1.1.35 root 4894: if(key_recv != 0) {
1.1 root 4895: return(1);
4896: }
1.1.1.35 root 4897: if(key_buf_char != NULL && key_buf_scan != NULL) {
4898: #ifdef USE_SERVICE_THREAD
4899: EnterCriticalSection(&key_buf_crit_sect);
4900: #endif
4901: bool empty = key_buf_char->empty();
4902: #ifdef USE_SERVICE_THREAD
4903: LeaveCriticalSection(&key_buf_crit_sect);
4904: #endif
4905: if(!empty) return(1);
4906: }
4907: return(_kbhit());
1.1 root 4908: }
4909:
4910: int msdos_getch_ex(int echo)
4911: {
4912: static char prev = 0;
4913:
4914: msdos_stdio_reopen();
4915:
1.1.1.20 root 4916: process_t *process = msdos_process_info_get(current_psp);
4917: int fd = msdos_psp_get_file_table(0, current_psp);
4918:
4919: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 4920: // stdin is redirected to file
4921: retry:
4922: char data;
1.1.1.37 root 4923: if(msdos_read(fd, &data, 1) == 1) {
1.1 root 4924: char tmp = data;
4925: if(data == 0x0a) {
4926: if(prev == 0x0d) {
4927: goto retry; // CRLF -> skip LF
4928: } else {
4929: data = 0x0d; // LF only -> CR
4930: }
4931: }
4932: prev = tmp;
4933: return(data);
4934: }
4935: return(EOF);
4936: }
4937:
4938: // input from console
1.1.1.5 root 4939: int key_char, key_scan;
1.1.1.33 root 4940: if(key_recv != 0) {
1.1.1.5 root 4941: key_char = (key_code >> 0) & 0xff;
4942: key_scan = (key_code >> 8) & 0xff;
4943: key_code >>= 16;
1.1.1.33 root 4944: key_recv >>= 16;
1.1.1.5 root 4945: } else {
1.1.1.35 root 4946: while(key_buf_char != NULL && key_buf_scan != NULL && !m_halted) {
4947: if(key_buf_char != NULL && key_buf_scan != NULL) {
4948: #ifdef USE_SERVICE_THREAD
4949: EnterCriticalSection(&key_buf_crit_sect);
4950: #endif
4951: bool empty = key_buf_char->empty();
4952: #ifdef USE_SERVICE_THREAD
4953: LeaveCriticalSection(&key_buf_crit_sect);
4954: #endif
4955: if(!empty) break;
4956: }
1.1.1.23 root 4957: if(!(fd < process->max_files && file_handler[fd].valid && file_handler[fd].atty && file_mode[file_handler[fd].mode].in)) {
4958: // NOTE: stdin is redirected to stderr when we do "type (file) | more" on freedos's command.com
4959: if(_kbhit()) {
1.1.1.32 root 4960: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 4961: #ifdef USE_SERVICE_THREAD
4962: EnterCriticalSection(&key_buf_crit_sect);
4963: #endif
1.1.1.32 root 4964: key_buf_char->write(_getch());
1.1.1.35 root 4965: key_buf_scan->write(0x00);
4966: #ifdef USE_SERVICE_THREAD
4967: LeaveCriticalSection(&key_buf_crit_sect);
4968: #endif
1.1.1.32 root 4969: }
1.1.1.23 root 4970: } else {
4971: Sleep(10);
4972: }
4973: } else {
4974: if(!update_key_buffer()) {
4975: Sleep(10);
4976: }
1.1.1.14 root 4977: }
4978: }
4979: if(m_halted) {
1.1.1.33 root 4980: // insert CR to terminate input loops
1.1.1.14 root 4981: key_char = 0x0d;
4982: key_scan = 0;
1.1.1.32 root 4983: } else if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 4984: #ifdef USE_SERVICE_THREAD
4985: EnterCriticalSection(&key_buf_crit_sect);
4986: #endif
1.1.1.14 root 4987: key_char = key_buf_char->read();
4988: key_scan = key_buf_scan->read();
1.1.1.41 root 4989: // write to bottom of key buffer
4990: mem[0x43c] = (UINT8)key_char;
4991: mem[0x43d] = (UINT8)key_scan;
1.1.1.35 root 4992: #ifdef USE_SERVICE_THREAD
4993: LeaveCriticalSection(&key_buf_crit_sect);
4994: #endif
1.1.1.5 root 4995: }
1.1 root 4996: }
4997: if(echo && key_char) {
4998: msdos_putch(key_char);
4999: }
5000: return key_char ? key_char : (key_scan != 0xe0) ? key_scan : 0;
5001: }
5002:
5003: inline int msdos_getch()
5004: {
5005: return(msdos_getch_ex(0));
5006: }
5007:
5008: inline int msdos_getche()
5009: {
5010: return(msdos_getch_ex(1));
5011: }
5012:
5013: int msdos_write(int fd, const void *buffer, unsigned int count)
5014: {
1.1.1.37 root 5015: if(fd < process->max_files && file_handler[fd].valid && file_handler[fd].sio_port >= 1 && file_handler[fd].sio_port <= 4) {
5016: // write to serial port
1.1.1.38 root 5017: int written = 0;
1.1.1.37 root 5018: if(sio_port_number[file_handler[fd].sio_port - 1] != 0) {
5019: UINT8 *buf = (UINT8 *)buffer;
5020: UINT8 selector = sio_read(file_handler[fd].sio_port - 1, 3);
5021: sio_write(file_handler[fd].sio_port - 1, 3, selector & ~0x80);
1.1.1.38 root 5022: DWORD timeout = timeGetTime() + 1000;
5023: while(written < count) {
5024: if(sio_read(file_handler[fd].sio_port - 1, 5) & 0x20) {
5025: sio_write(file_handler[fd].sio_port - 1, 0, buf[written++]);
5026: timeout = timeGetTime() + 1000;
5027: } else {
5028: if(timeGetTime() > timeout) {
5029: break;
5030: }
5031: Sleep(10);
5032: }
1.1.1.37 root 5033: }
5034: sio_write(file_handler[fd].sio_port - 1, 3, selector);
5035: }
1.1.1.38 root 5036: return(written);
1.1.1.37 root 5037: } else if(fd < process->max_files && file_handler[fd].valid && file_handler[fd].lpt_port >= 1 && file_handler[fd].lpt_port <= 3) {
5038: // write to printer port
5039: UINT8 *buf = (UINT8 *)buffer;
5040: for(unsigned int i = 0; i < count; i++) {
5041: // printer_out(file_handler[fd].lpt_port - 1, buf[i]);
5042: pcbios_printer_out(file_handler[fd].lpt_port - 1, buf[i]);
5043: }
5044: return(count);
5045: } else if(fd == 1 && file_handler[1].valid && !file_handler[1].atty) {
1.1 root 5046: // CR+LF -> LF
1.1.1.37 root 5047: static int is_cr = 0;
1.1 root 5048: UINT8 *buf = (UINT8 *)buffer;
5049: for(unsigned int i = 0; i < count; i++) {
5050: UINT8 data = buf[i];
5051: if(is_cr) {
5052: if(data != 0x0a) {
5053: UINT8 tmp = 0x0d;
5054: _write(1, &tmp, 1);
5055: }
5056: _write(1, &data, 1);
5057: is_cr = 0;
5058: } else if(data == 0x0d) {
5059: is_cr = 1;
5060: } else {
5061: _write(1, &data, 1);
5062: }
5063: }
5064: return(count);
5065: }
1.1.1.14 root 5066: vram_flush();
1.1 root 5067: return(_write(fd, buffer, count));
5068: }
5069:
5070: void msdos_putch(UINT8 data)
1.1.1.35 root 5071: #ifdef USE_SERVICE_THREAD
5072: {
5073: EnterCriticalSection(&putch_crit_sect);
5074: msdos_putch_tmp(data);
5075: LeaveCriticalSection(&putch_crit_sect);
5076: }
5077: void msdos_putch_tmp(UINT8 data)
5078: #endif
1.1 root 5079: {
1.1.1.34 root 5080: CONSOLE_SCREEN_BUFFER_INFO csbi;
5081: SMALL_RECT rect;
5082: COORD co;
1.1 root 5083: static int p = 0;
5084: static int is_kanji = 0;
5085: static int is_esc = 0;
5086: static int stored_x;
5087: static int stored_y;
5088: static WORD stored_a;
1.1.1.20 root 5089: static char tmp[64], out[64];
1.1 root 5090:
5091: msdos_stdio_reopen();
5092:
1.1.1.20 root 5093: process_t *process = msdos_process_info_get(current_psp);
5094: int fd = msdos_psp_get_file_table(1, current_psp);
5095:
5096: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 5097: // stdout is redirected to file
1.1.1.20 root 5098: msdos_write(fd, &data, 1);
1.1 root 5099: return;
5100: }
1.1.1.23 root 5101: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 5102:
5103: // output to console
5104: tmp[p++] = data;
5105:
1.1.1.14 root 5106: vram_flush();
5107:
1.1 root 5108: if(is_kanji) {
5109: // kanji character
5110: is_kanji = 0;
5111: } else if(is_esc) {
5112: // escape sequense
5113: if((tmp[1] == ')' || tmp[1] == '(') && p == 3) {
5114: p = is_esc = 0;
5115: } else if(tmp[1] == '=' && p == 4) {
5116: co.X = tmp[3] - 0x20;
1.1.1.14 root 5117: co.Y = tmp[2] - 0x20 + scr_top;
1.1 root 5118: SetConsoleCursorPosition(hStdout, co);
5119: mem[0x450 + mem[0x462] * 2] = co.X;
1.1.1.14 root 5120: mem[0x451 + mem[0x462] * 2] = co.Y - scr_top;
1.1 root 5121: cursor_moved = false;
5122: p = is_esc = 0;
5123: } else if((data >= 'a' && data <= 'z') || (data >= 'A' && data <= 'Z') || data == '*') {
5124: GetConsoleScreenBufferInfo(hStdout, &csbi);
5125: co.X = csbi.dwCursorPosition.X;
5126: co.Y = csbi.dwCursorPosition.Y;
5127: WORD wAttributes = csbi.wAttributes;
5128:
5129: if(tmp[1] == 'D') {
5130: co.Y++;
5131: } else if(tmp[1] == 'E') {
5132: co.X = 0;
5133: co.Y++;
5134: } else if(tmp[1] == 'M') {
5135: co.Y--;
5136: } else if(tmp[1] == '*') {
1.1.1.14 root 5137: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5138: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5139: co.X = 0;
5140: co.Y = csbi.srWindow.Top;
1.1 root 5141: } else if(tmp[1] == '[') {
5142: int param[256], params = 0;
5143: memset(param, 0, sizeof(param));
5144: for(int i = 2; i < p; i++) {
5145: if(tmp[i] >= '0' && tmp[i] <= '9') {
5146: param[params] *= 10;
5147: param[params] += tmp[i] - '0';
5148: } else {
5149: params++;
5150: }
5151: }
5152: if(data == 'A') {
1.1.1.14 root 5153: co.Y -= (params == 0) ? 1 : param[0];
1.1 root 5154: } else if(data == 'B') {
1.1.1.14 root 5155: co.Y += (params == 0) ? 1 : param[0];
1.1 root 5156: } else if(data == 'C') {
1.1.1.14 root 5157: co.X += (params == 0) ? 1 : param[0];
1.1 root 5158: } else if(data == 'D') {
1.1.1.14 root 5159: co.X -= (params == 0) ? 1 : param[0];
1.1 root 5160: } else if(data == 'H' || data == 'f') {
1.1.1.14 root 5161: co.X = (param[1] == 0 ? 1 : param[1]) - 1;
5162: co.Y = (param[0] == 0 ? 1 : param[0]) - 1 + csbi.srWindow.Top;
1.1 root 5163: } else if(data == 'J') {
1.1.1.14 root 5164: clear_scr_buffer(csbi.wAttributes);
1.1 root 5165: if(param[0] == 0) {
5166: SET_RECT(rect, co.X, co.Y, csbi.dwSize.X - 1, co.Y);
1.1.1.14 root 5167: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5168: if(co.Y < csbi.srWindow.Bottom) {
5169: SET_RECT(rect, 0, co.Y + 1, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5170: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5171: }
5172: } else if(param[0] == 1) {
1.1.1.14 root 5173: if(co.Y > csbi.srWindow.Top) {
5174: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, co.Y - 1);
5175: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5176: }
5177: SET_RECT(rect, 0, co.Y, co.X, co.Y);
1.1.1.14 root 5178: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5179: } else if(param[0] == 2) {
1.1.1.14 root 5180: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5181: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5182: co.X = co.Y = 0;
5183: }
5184: } else if(data == 'K') {
1.1.1.14 root 5185: clear_scr_buffer(csbi.wAttributes);
1.1 root 5186: if(param[0] == 0) {
5187: SET_RECT(rect, co.X, co.Y, csbi.dwSize.X - 1, co.Y);
1.1.1.14 root 5188: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5189: } else if(param[0] == 1) {
5190: SET_RECT(rect, 0, co.Y, co.X, co.Y);
1.1.1.14 root 5191: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5192: } else if(param[0] == 2) {
5193: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, co.Y);
1.1.1.14 root 5194: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5195: }
5196: } else if(data == 'L') {
1.1.1.14 root 5197: if(params == 0) {
5198: param[0] = 1;
1.1 root 5199: }
1.1.1.14 root 5200: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5201: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5202: SET_RECT(rect, 0, co.Y + param[0], csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5203: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5204: clear_scr_buffer(csbi.wAttributes);
1.1 root 5205: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, co.Y + param[0] - 1);
1.1.1.14 root 5206: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5207: co.X = 0;
5208: } else if(data == 'M') {
1.1.1.14 root 5209: if(params == 0) {
5210: param[0] = 1;
5211: }
5212: if(co.Y + param[0] > csbi.srWindow.Bottom) {
5213: clear_scr_buffer(csbi.wAttributes);
5214: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5215: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5216: } else {
1.1.1.14 root 5217: SET_RECT(rect, 0, co.Y + param[0], csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5218: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5219: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5220: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5221: clear_scr_buffer(csbi.wAttributes);
1.1 root 5222: }
5223: co.X = 0;
5224: } else if(data == 'h') {
5225: if(tmp[2] == '>' && tmp[3] == '5') {
5226: CONSOLE_CURSOR_INFO cur;
5227: GetConsoleCursorInfo(hStdout, &cur);
5228: if(cur.bVisible) {
5229: cur.bVisible = FALSE;
1.1.1.14 root 5230: // SetConsoleCursorInfo(hStdout, &cur);
1.1 root 5231: }
5232: }
5233: } else if(data == 'l') {
5234: if(tmp[2] == '>' && tmp[3] == '5') {
5235: CONSOLE_CURSOR_INFO cur;
5236: GetConsoleCursorInfo(hStdout, &cur);
5237: if(!cur.bVisible) {
5238: cur.bVisible = TRUE;
1.1.1.14 root 5239: // SetConsoleCursorInfo(hStdout, &cur);
1.1 root 5240: }
5241: }
5242: } else if(data == 'm') {
5243: wAttributes = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
5244: int reverse = 0, hidden = 0;
5245: for(int i = 0; i < params; i++) {
5246: if(param[i] == 1) {
5247: wAttributes |= FOREGROUND_INTENSITY;
5248: } else if(param[i] == 4) {
5249: wAttributes |= COMMON_LVB_UNDERSCORE;
5250: } else if(param[i] == 7) {
5251: reverse = 1;
5252: } else if(param[i] == 8 || param[i] == 16) {
5253: hidden = 1;
5254: } else if((param[i] >= 17 && param[i] <= 23) || (param[i] >= 30 && param[i] <= 37)) {
5255: wAttributes &= ~(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
5256: if(param[i] >= 17 && param[i] <= 23) {
5257: param[i] -= 16;
5258: } else {
5259: param[i] -= 30;
5260: }
5261: if(param[i] & 1) {
5262: wAttributes |= FOREGROUND_RED;
5263: }
5264: if(param[i] & 2) {
5265: wAttributes |= FOREGROUND_GREEN;
5266: }
5267: if(param[i] & 4) {
5268: wAttributes |= FOREGROUND_BLUE;
5269: }
5270: } else if(param[i] >= 40 && param[i] <= 47) {
5271: wAttributes &= ~(BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE);
5272: if((param[i] - 40) & 1) {
5273: wAttributes |= BACKGROUND_RED;
5274: }
5275: if((param[i] - 40) & 2) {
5276: wAttributes |= BACKGROUND_GREEN;
5277: }
5278: if((param[i] - 40) & 4) {
5279: wAttributes |= BACKGROUND_BLUE;
5280: }
5281: }
5282: }
5283: if(reverse) {
5284: wAttributes &= ~0xff;
5285: wAttributes |= BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE;
5286: }
5287: if(hidden) {
5288: wAttributes &= ~0x0f;
5289: wAttributes |= (wAttributes >> 4) & 0x0f;
5290: }
5291: } else if(data == 'n') {
5292: if(param[0] == 6) {
5293: char tmp[16];
5294: sprintf(tmp, "\x1b[%d;%dR", co.Y + 1, co.X + 1);
5295: int len = strlen(tmp);
1.1.1.32 root 5296: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 5297: #ifdef USE_SERVICE_THREAD
5298: EnterCriticalSection(&key_buf_crit_sect);
5299: #endif
1.1.1.32 root 5300: for(int i = 0; i < len; i++) {
5301: key_buf_char->write(tmp[i]);
5302: key_buf_scan->write(0x00);
5303: }
1.1.1.35 root 5304: #ifdef USE_SERVICE_THREAD
5305: LeaveCriticalSection(&key_buf_crit_sect);
5306: #endif
1.1 root 5307: }
5308: }
5309: } else if(data == 's') {
5310: stored_x = co.X;
5311: stored_y = co.Y;
5312: stored_a = wAttributes;
5313: } else if(data == 'u') {
5314: co.X = stored_x;
5315: co.Y = stored_y;
5316: wAttributes = stored_a;
5317: }
5318: }
5319: if(co.X < 0) {
5320: co.X = 0;
5321: } else if(co.X >= csbi.dwSize.X) {
5322: co.X = csbi.dwSize.X - 1;
5323: }
1.1.1.14 root 5324: if(co.Y < csbi.srWindow.Top) {
5325: co.Y = csbi.srWindow.Top;
5326: } else if(co.Y > csbi.srWindow.Bottom) {
5327: co.Y = csbi.srWindow.Bottom;
1.1 root 5328: }
5329: if(co.X != csbi.dwCursorPosition.X || co.Y != csbi.dwCursorPosition.Y) {
5330: SetConsoleCursorPosition(hStdout, co);
5331: mem[0x450 + mem[0x462] * 2] = co.X;
1.1.1.14 root 5332: mem[0x451 + mem[0x462] * 2] = co.Y - csbi.srWindow.Top;
1.1 root 5333: cursor_moved = false;
5334: }
5335: if(wAttributes != csbi.wAttributes) {
5336: SetConsoleTextAttribute(hStdout, wAttributes);
5337: }
5338: p = is_esc = 0;
5339: }
5340: return;
5341: } else {
5342: if(msdos_lead_byte_check(data)) {
5343: is_kanji = 1;
5344: return;
5345: } else if(data == 0x1b) {
5346: is_esc = 1;
5347: return;
5348: }
5349: }
1.1.1.20 root 5350:
5351: DWORD q = 0, num;
5352: is_kanji = 0;
5353: for(int i = 0; i < p; i++) {
5354: UINT8 c = tmp[i];
5355: if(is_kanji) {
5356: is_kanji = 0;
5357: } else if(msdos_lead_byte_check(data)) {
5358: is_kanji = 1;
5359: } else if(msdos_ctrl_code_check(data)) {
5360: out[q++] = '^';
5361: c += 'A' - 1;
5362: }
5363: out[q++] = c;
5364: }
1.1.1.34 root 5365: if(q == 1 && out[0] == 0x08) {
5366: // back space
5367: GetConsoleScreenBufferInfo(hStdout, &csbi);
5368: if(csbi.dwCursorPosition.X > 0) {
5369: co.X = csbi.dwCursorPosition.X - 1;
5370: co.Y = csbi.dwCursorPosition.Y;
5371: SetConsoleCursorPosition(hStdout, co);
5372: } else if(csbi.dwCursorPosition.Y > 0) {
5373: co.X = csbi.dwSize.X - 1;
5374: co.Y = csbi.dwCursorPosition.Y - 1;
5375: SetConsoleCursorPosition(hStdout, co);
5376: } else {
5377: WriteConsole(hStdout, out, q, &num, NULL); // to make sure
5378: }
5379: } else {
5380: WriteConsole(hStdout, out, q, &num, NULL);
5381: }
1.1 root 5382: p = 0;
1.1.1.14 root 5383:
1.1.1.15 root 5384: if(!restore_console_on_exit) {
5385: GetConsoleScreenBufferInfo(hStdout, &csbi);
5386: scr_top = csbi.srWindow.Top;
5387: }
1.1 root 5388: cursor_moved = true;
5389: }
5390:
5391: int msdos_aux_in()
5392: {
1.1.1.21 root 5393: msdos_stdio_reopen();
5394:
1.1.1.20 root 5395: process_t *process = msdos_process_info_get(current_psp);
5396: int fd = msdos_psp_get_file_table(3, current_psp);
5397:
5398: if(fd < process->max_files && file_handler[fd].valid && !eof(fd)) {
1.1 root 5399: char data = 0;
1.1.1.37 root 5400: msdos_read(fd, &data, 1);
1.1 root 5401: return(data);
5402: } else {
5403: return(EOF);
5404: }
5405: }
5406:
5407: void msdos_aux_out(char data)
5408: {
1.1.1.21 root 5409: msdos_stdio_reopen();
5410:
1.1.1.20 root 5411: process_t *process = msdos_process_info_get(current_psp);
5412: int fd = msdos_psp_get_file_table(3, current_psp);
5413:
5414: if(fd < process->max_files && file_handler[fd].valid) {
5415: msdos_write(fd, &data, 1);
1.1 root 5416: }
5417: }
5418:
5419: void msdos_prn_out(char data)
5420: {
1.1.1.21 root 5421: msdos_stdio_reopen();
5422:
1.1.1.20 root 5423: process_t *process = msdos_process_info_get(current_psp);
5424: int fd = msdos_psp_get_file_table(4, current_psp);
5425:
5426: if(fd < process->max_files && file_handler[fd].valid) {
5427: msdos_write(fd, &data, 1);
1.1 root 5428: }
5429: }
5430:
5431: // memory control
5432:
1.1.1.45! root 5433: mcb_t *msdos_mcb_create(int mcb_seg, UINT8 mz, UINT16 psp, int paragraphs, const char *prog_name)
1.1 root 5434: {
5435: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5436:
5437: mcb->mz = mz;
5438: mcb->psp = psp;
1.1.1.30 root 5439: mcb->paragraphs = paragraphs;
1.1.1.39 root 5440:
5441: if(prog_name != NULL) {
5442: memset(mcb->prog_name, 0, 8);
5443: memcpy(mcb->prog_name, prog_name, min(8, strlen(prog_name)));
5444: }
1.1 root 5445: return(mcb);
5446: }
5447:
1.1.1.39 root 5448: mcb_t *msdos_mcb_create(int mcb_seg, UINT8 mz, UINT16 psp, int paragraphs)
5449: {
5450: return(msdos_mcb_create(mcb_seg, mz, psp, paragraphs, NULL));
5451: }
5452:
1.1 root 5453: void msdos_mcb_check(mcb_t *mcb)
5454: {
5455: if(!(mcb->mz == 'M' || mcb->mz == 'Z')) {
1.1.1.28 root 5456: #if 0
5457: // shutdown now !!!
5458: fatalerror("broken memory control block\n");
5459: #else
5460: // return error code and continue
5461: throw(0x07); // broken memory control block
5462: #endif
1.1 root 5463: }
5464: }
5465:
1.1.1.39 root 5466: void msdos_mem_split(int seg, int paragraphs)
1.1 root 5467: {
5468: int mcb_seg = seg - 1;
5469: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5470: msdos_mcb_check(mcb);
5471:
1.1.1.30 root 5472: if(mcb->paragraphs > paragraphs) {
1.1 root 5473: int new_seg = mcb_seg + 1 + paragraphs;
1.1.1.30 root 5474: int new_paragraphs = mcb->paragraphs - paragraphs - 1;
1.1 root 5475:
5476: msdos_mcb_create(new_seg, mcb->mz, 0, new_paragraphs);
5477: mcb->mz = 'M';
1.1.1.30 root 5478: mcb->paragraphs = paragraphs;
1.1 root 5479: }
5480: }
5481:
5482: void msdos_mem_merge(int seg)
5483: {
5484: int mcb_seg = seg - 1;
5485: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5486: msdos_mcb_check(mcb);
5487:
5488: while(1) {
5489: if(mcb->mz == 'Z') {
5490: break;
5491: }
1.1.1.30 root 5492: int next_seg = mcb_seg + 1 + mcb->paragraphs;
1.1 root 5493: mcb_t *next_mcb = (mcb_t *)(mem + (next_seg << 4));
5494: msdos_mcb_check(next_mcb);
5495:
5496: if(next_mcb->psp != 0) {
5497: break;
5498: }
5499: mcb->mz = next_mcb->mz;
1.1.1.30 root 5500: mcb->paragraphs = mcb->paragraphs + 1 + next_mcb->paragraphs;
1.1 root 5501: }
5502: }
5503:
1.1.1.8 root 5504: int msdos_mem_alloc(int mcb_seg, int paragraphs, int new_process)
1.1 root 5505: {
5506: while(1) {
5507: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1.1.33 root 5508: bool last_block;
1.1 root 5509:
1.1.1.14 root 5510: if(mcb->psp == 0) {
5511: msdos_mem_merge(mcb_seg + 1);
5512: } else {
5513: msdos_mcb_check(mcb);
5514: }
1.1.1.33 root 5515: if(!(last_block = (mcb->mz == 'Z'))) {
5516: // check if the next is dummy mcb to link to umb
5517: int next_seg = mcb_seg + 1 + mcb->paragraphs;
5518: mcb_t *next_mcb = (mcb_t *)(mem + (next_seg << 4));
5519: last_block = (next_mcb->mz == 'Z' && next_mcb->paragraphs == 0);
5520: }
5521: if(!(new_process && !last_block)) {
1.1.1.30 root 5522: if(mcb->psp == 0 && mcb->paragraphs >= paragraphs) {
1.1 root 5523: msdos_mem_split(mcb_seg + 1, paragraphs);
5524: mcb->psp = current_psp;
5525: return(mcb_seg + 1);
5526: }
5527: }
5528: if(mcb->mz == 'Z') {
5529: break;
5530: }
1.1.1.30 root 5531: mcb_seg += 1 + mcb->paragraphs;
1.1 root 5532: }
5533: return(-1);
5534: }
5535:
5536: int msdos_mem_realloc(int seg, int paragraphs, int *max_paragraphs)
5537: {
5538: int mcb_seg = seg - 1;
5539: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5540: msdos_mcb_check(mcb);
1.1.1.30 root 5541: int current_paragraphs = mcb->paragraphs;
1.1 root 5542:
5543: msdos_mem_merge(seg);
1.1.1.30 root 5544: if(paragraphs > mcb->paragraphs) {
1.1.1.14 root 5545: if(max_paragraphs) {
1.1.1.30 root 5546: *max_paragraphs = mcb->paragraphs;
1.1.1.14 root 5547: }
1.1 root 5548: msdos_mem_split(seg, current_paragraphs);
5549: return(-1);
5550: }
5551: msdos_mem_split(seg, paragraphs);
5552: return(0);
5553: }
5554:
5555: void msdos_mem_free(int seg)
5556: {
5557: int mcb_seg = seg - 1;
5558: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5559: msdos_mcb_check(mcb);
5560:
5561: mcb->psp = 0;
5562: msdos_mem_merge(seg);
5563: }
5564:
1.1.1.8 root 5565: int msdos_mem_get_free(int mcb_seg, int new_process)
1.1 root 5566: {
5567: int max_paragraphs = 0;
5568:
5569: while(1) {
5570: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1.1.33 root 5571: bool last_block;
5572:
1.1 root 5573: msdos_mcb_check(mcb);
5574:
1.1.1.33 root 5575: if(!(last_block = (mcb->mz == 'Z'))) {
5576: // check if the next is dummy mcb to link to umb
5577: int next_seg = mcb_seg + 1 + mcb->paragraphs;
5578: mcb_t *next_mcb = (mcb_t *)(mem + (next_seg << 4));
5579: last_block = (next_mcb->mz == 'Z' && next_mcb->paragraphs == 0);
5580: }
5581: if(!(new_process && !last_block)) {
1.1.1.30 root 5582: if(mcb->psp == 0 && mcb->paragraphs > max_paragraphs) {
5583: max_paragraphs = mcb->paragraphs;
1.1 root 5584: }
5585: }
5586: if(mcb->mz == 'Z') {
5587: break;
5588: }
1.1.1.30 root 5589: mcb_seg += 1 + mcb->paragraphs;
1.1 root 5590: }
1.1.1.14 root 5591: return(max_paragraphs > 0x7fff && limit_max_memory ? 0x7fff : max_paragraphs);
1.1 root 5592: }
5593:
1.1.1.8 root 5594: int msdos_mem_get_last_mcb(int mcb_seg, UINT16 psp)
5595: {
5596: int last_seg = -1;
5597:
5598: while(1) {
5599: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5600: msdos_mcb_check(mcb);
5601:
1.1.1.14 root 5602: if(mcb->psp == psp) {
1.1.1.8 root 5603: last_seg = mcb_seg;
5604: }
1.1.1.14 root 5605: if(mcb->mz == 'Z') {
5606: break;
5607: }
1.1.1.30 root 5608: mcb_seg += 1 + mcb->paragraphs;
1.1.1.8 root 5609: }
5610: return(last_seg);
5611: }
5612:
1.1.1.19 root 5613: int msdos_mem_get_umb_linked()
5614: {
1.1.1.33 root 5615: mcb_t *mcb = (mcb_t *)(mem + MEMORY_END - 16);
5616: msdos_mcb_check(mcb);
1.1.1.19 root 5617:
1.1.1.33 root 5618: if(mcb->mz == 'M') {
5619: return(-1);
1.1.1.19 root 5620: }
5621: return(0);
5622: }
5623:
1.1.1.33 root 5624: void msdos_mem_link_umb()
1.1.1.19 root 5625: {
1.1.1.33 root 5626: mcb_t *mcb = (mcb_t *)(mem + MEMORY_END - 16);
5627: msdos_mcb_check(mcb);
1.1.1.19 root 5628:
1.1.1.33 root 5629: mcb->mz = 'M';
5630: mcb->paragraphs = (UMB_TOP >> 4) - (MEMORY_END >> 4);
1.1.1.39 root 5631:
5632: ((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked |= 0x01;
1.1.1.19 root 5633: }
5634:
1.1.1.33 root 5635: void msdos_mem_unlink_umb()
1.1.1.19 root 5636: {
1.1.1.33 root 5637: mcb_t *mcb = (mcb_t *)(mem + MEMORY_END - 16);
5638: msdos_mcb_check(mcb);
1.1.1.19 root 5639:
1.1.1.33 root 5640: mcb->mz = 'Z';
5641: mcb->paragraphs = 0;
1.1.1.39 root 5642:
5643: ((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked &= ~0x01;
1.1.1.19 root 5644: }
5645:
1.1.1.29 root 5646: #ifdef SUPPORT_HMA
5647:
5648: hma_mcb_t *msdos_hma_mcb_create(int offset, int owner, int size, int next)
5649: {
5650: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5651:
5652: mcb->ms[0] = 'M';
5653: mcb->ms[1] = 'S';
5654: mcb->owner = owner;
5655: mcb->size = size;
5656: mcb->next = next;
5657: return(mcb);
5658: }
5659:
5660: bool msdos_is_hma_mcb_valid(hma_mcb_t *mcb)
5661: {
5662: return(mcb->ms[0] == 'M' && mcb->ms[1] == 'S');
5663: }
5664:
5665: int msdos_hma_mem_split(int offset, int size)
5666: {
5667: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5668:
5669: if(!msdos_is_hma_mcb_valid(mcb)) {
5670: return(-1);
5671: }
5672: if(mcb->size >= size + 0x10) {
5673: int new_offset = offset + 0x10 + size;
5674: int new_size = mcb->size - 0x10 - size;
5675:
5676: msdos_hma_mcb_create(new_offset, 0, new_size, mcb->next);
5677: mcb->size = size;
5678: mcb->next = new_offset;
5679: return(0);
5680: }
5681: return(-1);
5682: }
5683:
5684: void msdos_hma_mem_merge(int offset)
5685: {
5686: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5687:
5688: if(!msdos_is_hma_mcb_valid(mcb)) {
5689: return;
5690: }
5691: while(1) {
5692: if(mcb->next == 0) {
5693: break;
5694: }
5695: hma_mcb_t *next_mcb = (hma_mcb_t *)(mem + 0xffff0 + mcb->next);
5696:
5697: if(!msdos_is_hma_mcb_valid(next_mcb)) {
5698: return;
5699: }
5700: if(next_mcb->owner != 0) {
5701: break;
5702: }
5703: mcb->size += 0x10 + next_mcb->size;
5704: mcb->next = next_mcb->next;
5705: }
5706: }
5707:
5708: int msdos_hma_mem_alloc(int size, UINT16 owner)
5709: {
5710: int offset = 0x10; // first mcb in HMA
5711:
5712: while(1) {
5713: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5714:
5715: if(!msdos_is_hma_mcb_valid(mcb)) {
5716: return(-1);
5717: }
5718: if(mcb->owner == 0) {
5719: msdos_hma_mem_merge(offset);
5720: }
5721: if(mcb->owner == 0 && mcb->size >= size) {
5722: msdos_hma_mem_split(offset, size);
5723: mcb->owner = owner;
5724: return(offset);
5725: }
5726: if(mcb->next == 0) {
5727: break;
5728: }
5729: offset = mcb->next;
5730: }
5731: return(-1);
5732: }
5733:
5734: int msdos_hma_mem_realloc(int offset, int size)
5735: {
5736: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5737:
5738: if(!msdos_is_hma_mcb_valid(mcb)) {
5739: return(-1);
5740: }
5741: if(mcb->size < size) {
5742: return(-1);
5743: }
5744: msdos_hma_mem_split(offset, size);
5745: return(0);
5746: }
5747:
5748: void msdos_hma_mem_free(int offset)
5749: {
5750: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5751:
5752: if(!msdos_is_hma_mcb_valid(mcb)) {
5753: return;
5754: }
5755: mcb->owner = 0;
5756: msdos_hma_mem_merge(offset);
5757: }
5758:
5759: int msdos_hma_mem_get_free(int *available_offset)
5760: {
5761: int offset = 0x10; // first mcb in HMA
5762: int size = 0;
5763:
5764: while(1) {
5765: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5766:
5767: if(!msdos_is_hma_mcb_valid(mcb)) {
5768: return(0);
5769: }
5770: if(mcb->owner == 0 && size < mcb->size) {
5771: if(available_offset != NULL) {
5772: *available_offset = offset;
5773: }
5774: size = mcb->size;
5775: }
5776: if(mcb->next == 0) {
5777: break;
5778: }
5779: offset = mcb->next;
5780: }
5781: return(size);
5782: }
5783:
5784: #endif
5785:
1.1 root 5786: // environment
5787:
1.1.1.45! root 5788: void msdos_env_set_argv(int env_seg, const char *argv)
1.1 root 5789: {
5790: char *dst = (char *)(mem + (env_seg << 4));
5791:
5792: while(1) {
5793: if(dst[0] == 0) {
5794: break;
5795: }
5796: dst += strlen(dst) + 1;
5797: }
5798: *dst++ = 0; // end of environment
5799: *dst++ = 1; // top of argv[0]
5800: *dst++ = 0;
5801: memcpy(dst, argv, strlen(argv));
5802: dst += strlen(argv);
5803: *dst++ = 0;
5804: *dst++ = 0;
5805: }
5806:
1.1.1.45! root 5807: const char *msdos_env_get_argv(int env_seg)
1.1 root 5808: {
5809: static char env[ENV_SIZE];
5810: char *src = env;
5811:
5812: memcpy(src, mem + (env_seg << 4), ENV_SIZE);
5813: while(1) {
5814: if(src[0] == 0) {
5815: if(src[1] == 1) {
5816: return(src + 3);
5817: }
5818: break;
5819: }
5820: src += strlen(src) + 1;
5821: }
5822: return(NULL);
5823: }
5824:
1.1.1.45! root 5825: const char *msdos_env_get(int env_seg, const char *name)
1.1 root 5826: {
5827: static char env[ENV_SIZE];
5828: char *src = env;
5829:
5830: memcpy(src, mem + (env_seg << 4), ENV_SIZE);
5831: while(1) {
5832: if(src[0] == 0) {
5833: break;
5834: }
5835: int len = strlen(src);
5836: char *n = my_strtok(src, "=");
5837: char *v = src + strlen(n) + 1;
5838:
5839: if(_stricmp(name, n) == 0) {
5840: return(v);
5841: }
5842: src += len + 1;
5843: }
5844: return(NULL);
5845: }
5846:
1.1.1.45! root 5847: void msdos_env_set(int env_seg, const char *name, const char *value)
1.1 root 5848: {
5849: char env[ENV_SIZE];
5850: char *src = env;
5851: char *dst = (char *)(mem + (env_seg << 4));
1.1.1.45! root 5852: const char *argv = msdos_env_get_argv(env_seg);
1.1 root 5853: int done = 0;
5854:
5855: memcpy(src, dst, ENV_SIZE);
5856: memset(dst, 0, ENV_SIZE);
5857: while(1) {
5858: if(src[0] == 0) {
5859: break;
5860: }
5861: int len = strlen(src);
5862: char *n = my_strtok(src, "=");
5863: char *v = src + strlen(n) + 1;
5864: char tmp[1024];
5865:
5866: if(_stricmp(name, n) == 0) {
5867: sprintf(tmp, "%s=%s", n, value);
5868: done = 1;
5869: } else {
5870: sprintf(tmp, "%s=%s", n, v);
5871: }
5872: memcpy(dst, tmp, strlen(tmp));
5873: dst += strlen(tmp) + 1;
5874: src += len + 1;
5875: }
5876: if(!done) {
5877: char tmp[1024];
5878:
5879: sprintf(tmp, "%s=%s", name, value);
5880: memcpy(dst, tmp, strlen(tmp));
5881: dst += strlen(tmp) + 1;
5882: }
5883: if(argv) {
5884: *dst++ = 0; // end of environment
5885: *dst++ = 1; // top of argv[0]
5886: *dst++ = 0;
5887: memcpy(dst, argv, strlen(argv));
5888: dst += strlen(argv);
5889: *dst++ = 0;
5890: *dst++ = 0;
5891: }
5892: }
5893:
5894: // process
5895:
1.1.1.8 root 5896: psp_t *msdos_psp_create(int psp_seg, UINT16 mcb_seg, UINT16 parent_psp, UINT16 env_seg)
1.1 root 5897: {
5898: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
5899:
5900: memset(psp, 0, PSP_SIZE);
5901: psp->exit[0] = 0xcd;
5902: psp->exit[1] = 0x20;
1.1.1.8 root 5903: psp->first_mcb = mcb_seg;
1.1 root 5904: psp->far_call = 0xea;
5905: psp->cpm_entry.w.l = 0xfff1; // int 21h, retf
5906: psp->cpm_entry.w.h = 0xf000;
5907: psp->int_22h.dw = *(UINT32 *)(mem + 4 * 0x22);
5908: psp->int_23h.dw = *(UINT32 *)(mem + 4 * 0x23);
5909: psp->int_24h.dw = *(UINT32 *)(mem + 4 * 0x24);
5910: psp->parent_psp = parent_psp;
1.1.1.20 root 5911: if(parent_psp == (UINT16)-1) {
5912: for(int i = 0; i < 20; i++) {
5913: if(file_handler[i].valid) {
5914: psp->file_table[i] = i;
5915: } else {
5916: psp->file_table[i] = 0xff;
5917: }
1.1 root 5918: }
1.1.1.20 root 5919: } else {
5920: memcpy(psp->file_table, ((psp_t *)(mem + (parent_psp << 4)))->file_table, 20);
1.1 root 5921: }
5922: psp->env_seg = env_seg;
5923: psp->stack.w.l = REG16(SP);
1.1.1.3 root 5924: psp->stack.w.h = SREG(SS);
1.1.1.14 root 5925: psp->file_table_size = 20;
5926: psp->file_table_ptr.w.l = 0x18;
5927: psp->file_table_ptr.w.h = psp_seg;
1.1 root 5928: psp->service[0] = 0xcd;
5929: psp->service[1] = 0x21;
5930: psp->service[2] = 0xcb;
5931: return(psp);
5932: }
5933:
1.1.1.20 root 5934: void msdos_psp_set_file_table(int fd, UINT8 value, int psp_seg)
5935: {
5936: if(psp_seg && fd < 20) {
5937: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
5938: psp->file_table[fd] = value;
5939: }
5940: }
5941:
5942: int msdos_psp_get_file_table(int fd, int psp_seg)
5943: {
5944: if(psp_seg && fd < 20) {
5945: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
5946: fd = psp->file_table[fd];
5947: }
5948: return fd;
5949: }
5950:
1.1.1.45! root 5951: int msdos_process_exec(const char *cmd, param_block_t *param, UINT8 al)
1.1 root 5952: {
5953: // load command file
5954: int fd = -1;
1.1.1.45! root 5955: int sio_port = 0;
! 5956: int lpt_port = 0;
1.1 root 5957: int dos_command = 0;
1.1.1.24 root 5958: char command[MAX_PATH], path[MAX_PATH], opt[MAX_PATH], *name = NULL, name_tmp[MAX_PATH];
1.1.1.38 root 5959: char pipe_stdin_path[MAX_PATH] = {0};
5960: char pipe_stdout_path[MAX_PATH] = {0};
1.1.1.39 root 5961: char pipe_stderr_path[MAX_PATH] = {0};
1.1 root 5962:
5963: int opt_ofs = (param->cmd_line.w.h << 4) + param->cmd_line.w.l;
5964: int opt_len = mem[opt_ofs];
5965: memset(opt, 0, sizeof(opt));
5966: memcpy(opt, mem + opt_ofs + 1, opt_len);
5967:
1.1.1.14 root 5968: if(strlen(cmd) >= 5 && _stricmp(&cmd[strlen(cmd) - 4], ".BAT") == 0) {
5969: // this is a batch file, run command.com
5970: char tmp[MAX_PATH];
5971: if(opt_len != 0) {
5972: sprintf(tmp, "/C %s %s", cmd, opt);
5973: } else {
5974: sprintf(tmp, "/C %s", cmd);
5975: }
5976: strcpy(opt, tmp);
5977: opt_len = strlen(opt);
5978: mem[opt_ofs] = opt_len;
5979: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
5980: strcpy(command, comspec_path);
5981: strcpy(name_tmp, "COMMAND.COM");
5982: } else {
5983: if(_stricmp(cmd, "C:\\COMMAND.COM") == 0) {
5984: // redirect C:\COMMAND.COM to comspec_path
5985: strcpy(command, comspec_path);
5986: } else {
5987: strcpy(command, cmd);
5988: }
1.1.1.24 root 5989: if(GetFullPathName(command, MAX_PATH, path, &name) == 0) {
5990: return(-1);
5991: }
1.1.1.14 root 5992: memset(name_tmp, 0, sizeof(name_tmp));
5993: strcpy(name_tmp, name);
5994:
5995: // check command.com
1.1.1.38 root 5996: if((_stricmp(name, "COMMAND.COM") == 0 || _stricmp(name, "COMMAND") == 0) && _access(comspec_path, 0) != 0) {
5997: // we can not load command.com, so run program directly if "command /c (program)" is specified
1.1.1.14 root 5998: if(opt_len == 0) {
5999: // process_t *current_process = msdos_process_info_get(current_psp);
6000: process_t *current_process = NULL;
6001: for(int i = 0; i < MAX_PROCESS; i++) {
6002: if(process[i].psp == current_psp) {
6003: current_process = &process[i];
6004: break;
6005: }
6006: }
6007: if(current_process != NULL) {
6008: param->cmd_line.dw = current_process->dta.dw;
6009: opt_ofs = (param->cmd_line.w.h << 4) + param->cmd_line.w.l;
6010: opt_len = mem[opt_ofs];
6011: memset(opt, 0, sizeof(opt));
6012: memcpy(opt, mem + opt_ofs + 1, opt_len);
6013: }
6014: }
6015: for(int i = 0; i < opt_len; i++) {
6016: if(opt[i] == ' ') {
6017: continue;
6018: }
6019: if(opt[i] == '/' && (opt[i + 1] == 'c' || opt[i + 1] == 'C') && opt[i + 2] == ' ') {
6020: for(int j = i + 3; j < opt_len; j++) {
6021: if(opt[j] == ' ') {
6022: continue;
6023: }
6024: char *token = my_strtok(opt + j, " ");
6025:
1.1.1.38 root 6026: strcpy(command, token);
6027: char tmp[MAX_PATH];
6028: strcpy(tmp, token + strlen(token) + 1);
1.1.1.39 root 6029: strcpy(opt, "");
6030: for(int i = 0; i < strlen(tmp); i++) {
6031: if(tmp[i] != ' ') {
6032: strcpy(opt, tmp + i);
6033: break;
6034: }
6035: }
6036: strcpy(tmp, opt);
1.1.1.38 root 6037:
6038: if(al == 0x00) {
1.1.1.39 root 6039: #define GET_FILE_PATH() { \
6040: if(token[0] != '>' && token[0] != '<') { \
6041: token++; \
6042: } \
6043: token++; \
6044: while(*token == ' ') { \
6045: token++; \
6046: } \
6047: char *ptr = token; \
6048: while(*ptr != ' ' && *ptr != '\r' && *ptr != '\0') { \
6049: ptr++; \
6050: } \
6051: *ptr = '\0'; \
6052: }
6053: if((token = strstr(opt, "0<")) != NULL || (token = strstr(opt, "<")) != NULL) {
6054: GET_FILE_PATH();
1.1.1.38 root 6055: strcpy(pipe_stdin_path, token);
6056: strcpy(opt, tmp);
6057: }
1.1.1.39 root 6058: if((token = strstr(opt, "1>")) != NULL || (token = strstr(opt, ">")) != NULL) {
6059: GET_FILE_PATH();
1.1.1.38 root 6060: strcpy(pipe_stdout_path, token);
6061: strcpy(opt, tmp);
6062: }
1.1.1.39 root 6063: if((token = strstr(opt, "2>")) != NULL) {
6064: GET_FILE_PATH();
6065: strcpy(pipe_stderr_path, token);
6066: strcpy(opt, tmp);
6067: }
6068: #undef GET_FILE_PATH
6069:
6070: if((token = strstr(opt, "0<")) != NULL) {
6071: *token = '\0';
6072: }
6073: if((token = strstr(opt, "1>")) != NULL) {
6074: *token = '\0';
6075: }
6076: if((token = strstr(opt, "2>")) != NULL) {
6077: *token = '\0';
6078: }
1.1.1.38 root 6079: if((token = strstr(opt, "<")) != NULL) {
6080: *token = '\0';
6081: }
6082: if((token = strstr(opt, ">")) != NULL) {
6083: *token = '\0';
6084: }
1.1.1.14 root 6085: }
1.1.1.39 root 6086: for(int i = strlen(opt) - 1; i >= 0 && opt[i] == ' '; i--) {
6087: opt[i] = '\0';
6088: }
1.1.1.38 root 6089: opt_len = strlen(opt);
6090: mem[opt_ofs] = opt_len;
6091: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
6092: dos_command = 1;
1.1.1.14 root 6093: break;
1.1 root 6094: }
6095: }
1.1.1.14 root 6096: break;
1.1 root 6097: }
6098: }
6099: }
6100:
6101: // load command file
6102: strcpy(path, command);
6103: if((fd = _open(path, _O_RDONLY | _O_BINARY)) == -1) {
6104: sprintf(path, "%s.COM", command);
6105: if((fd = _open(path, _O_RDONLY | _O_BINARY)) == -1) {
6106: sprintf(path, "%s.EXE", command);
6107: if((fd = _open(path, _O_RDONLY | _O_BINARY)) == -1) {
1.1.1.14 root 6108: sprintf(path, "%s.BAT", command);
6109: if(_access(path, 0) == 0) {
6110: // this is a batch file, run command.com
6111: char tmp[MAX_PATH];
6112: if(opt_len != 0) {
6113: sprintf(tmp, "/C %s %s", path, opt);
6114: } else {
6115: sprintf(tmp, "/C %s", path);
6116: }
6117: strcpy(opt, tmp);
6118: opt_len = strlen(opt);
6119: mem[opt_ofs] = opt_len;
6120: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
6121: strcpy(path, comspec_path);
6122: strcpy(name_tmp, "COMMAND.COM");
6123: fd = _open(path, _O_RDONLY | _O_BINARY);
6124: } else {
6125: // search path in parent environments
6126: psp_t *parent_psp = (psp_t *)(mem + (current_psp << 4));
1.1.1.45! root 6127: const char *env = msdos_env_get(parent_psp->env_seg, "PATH");
1.1.1.14 root 6128: if(env != NULL) {
6129: char env_path[4096];
6130: strcpy(env_path, env);
6131: char *token = my_strtok(env_path, ";");
6132:
6133: while(token != NULL) {
6134: if(strlen(token) != 0) {
6135: sprintf(path, "%s", msdos_combine_path(token, command));
6136: if((fd = _open(path, _O_RDONLY | _O_BINARY)) != -1) {
6137: break;
6138: }
6139: sprintf(path, "%s.COM", msdos_combine_path(token, command));
6140: if((fd = _open(path, _O_RDONLY | _O_BINARY)) != -1) {
6141: break;
6142: }
6143: sprintf(path, "%s.EXE", msdos_combine_path(token, command));
6144: if((fd = _open(path, _O_RDONLY | _O_BINARY)) != -1) {
6145: break;
6146: }
6147: sprintf(path, "%s.BAT", msdos_combine_path(token, command));
6148: if(_access(path, 0) == 0) {
6149: // this is a batch file, run command.com
6150: char tmp[MAX_PATH];
6151: if(opt_len != 0) {
6152: sprintf(tmp, "/C %s %s", path, opt);
6153: } else {
6154: sprintf(tmp, "/C %s", path);
6155: }
6156: strcpy(opt, tmp);
6157: opt_len = strlen(opt);
6158: mem[opt_ofs] = opt_len;
6159: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
6160: strcpy(path, comspec_path);
6161: strcpy(name_tmp, "COMMAND.COM");
6162: fd = _open(path, _O_RDONLY | _O_BINARY);
6163: break;
6164: }
1.1.1.8 root 6165: }
1.1.1.14 root 6166: token = my_strtok(NULL, ";");
1.1 root 6167: }
6168: }
6169: }
6170: }
6171: }
6172: }
6173: if(fd == -1) {
1.1.1.38 root 6174: // we can not find command.com in the path, so open comspec_path
6175: if(_stricmp(command, "COMMAND.COM") == 0 || _stricmp(command, "COMMAND") == 0) {
6176: strcpy(command, comspec_path);
6177: strcpy(path, command);
6178: fd = _open(path, _O_RDONLY | _O_BINARY);
6179: }
6180: }
6181: if(fd == -1) {
1.1 root 6182: if(dos_command) {
6183: // may be dos command
6184: char tmp[MAX_PATH];
6185: sprintf(tmp, "%s %s", command, opt);
6186: system(tmp);
6187: return(0);
6188: } else {
6189: return(-1);
6190: }
6191: }
6192: _read(fd, file_buffer, sizeof(file_buffer));
6193: _close(fd);
6194:
6195: // copy environment
1.1.1.29 root 6196: int umb_linked, env_seg, psp_seg;
1.1 root 6197:
1.1.1.29 root 6198: if((umb_linked = msdos_mem_get_umb_linked()) != 0) {
6199: msdos_mem_unlink_umb();
6200: }
1.1.1.8 root 6201: if((env_seg = msdos_mem_alloc(first_mcb, ENV_SIZE >> 4, 1)) == -1) {
1.1.1.29 root 6202: if((env_seg = msdos_mem_alloc(UMB_TOP >> 4, ENV_SIZE >> 4, 1)) == -1) {
6203: if(umb_linked != 0) {
6204: msdos_mem_link_umb();
6205: }
6206: return(-1);
6207: }
1.1 root 6208: }
6209: if(param->env_seg == 0) {
6210: psp_t *parent_psp = (psp_t *)(mem + (current_psp << 4));
6211: memcpy(mem + (env_seg << 4), mem + (parent_psp->env_seg << 4), ENV_SIZE);
6212: } else {
6213: memcpy(mem + (env_seg << 4), mem + (param->env_seg << 4), ENV_SIZE);
6214: }
6215: msdos_env_set_argv(env_seg, msdos_short_full_path(path));
6216:
6217: // check exe header
6218: exe_header_t *header = (exe_header_t *)file_buffer;
1.1.1.8 root 6219: int paragraphs, free_paragraphs = msdos_mem_get_free(first_mcb, 1);
1.1 root 6220: UINT16 cs, ss, ip, sp;
6221:
6222: if(header->mz == 0x4d5a || header->mz == 0x5a4d) {
6223: // memory allocation
6224: int header_size = header->header_size * 16;
6225: int load_size = header->pages * 512 - header_size;
6226: if(header_size + load_size < 512) {
6227: load_size = 512 - header_size;
6228: }
6229: paragraphs = (PSP_SIZE + load_size) >> 4;
6230: if(paragraphs + header->min_alloc > free_paragraphs) {
6231: msdos_mem_free(env_seg);
6232: return(-1);
6233: }
6234: paragraphs += header->max_alloc ? header->max_alloc : header->min_alloc;
6235: if(paragraphs > free_paragraphs) {
6236: paragraphs = free_paragraphs;
6237: }
1.1.1.8 root 6238: if((psp_seg = msdos_mem_alloc(first_mcb, paragraphs, 1)) == -1) {
1.1.1.29 root 6239: if((psp_seg = msdos_mem_alloc(UMB_TOP >> 4, paragraphs, 1)) == -1) {
6240: if(umb_linked != 0) {
6241: msdos_mem_link_umb();
6242: }
6243: msdos_mem_free(env_seg);
6244: return(-1);
6245: }
1.1 root 6246: }
6247: // relocation
6248: int start_seg = psp_seg + (PSP_SIZE >> 4);
6249: for(int i = 0; i < header->relocations; i++) {
6250: int ofs = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 0);
6251: int seg = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 2);
6252: *(UINT16 *)(file_buffer + header_size + (seg << 4) + ofs) += start_seg;
6253: }
6254: memcpy(mem + (start_seg << 4), file_buffer + header_size, load_size);
6255: // segments
6256: cs = header->init_cs + start_seg;
6257: ss = header->init_ss + start_seg;
6258: ip = header->init_ip;
6259: sp = header->init_sp - 2; // for symdeb
6260: } else {
6261: // memory allocation
6262: paragraphs = free_paragraphs;
1.1.1.8 root 6263: if((psp_seg = msdos_mem_alloc(first_mcb, paragraphs, 1)) == -1) {
1.1.1.29 root 6264: if((psp_seg = msdos_mem_alloc(UMB_TOP >> 4, paragraphs, 1)) == -1) {
6265: if(umb_linked != 0) {
6266: msdos_mem_link_umb();
6267: }
6268: msdos_mem_free(env_seg);
6269: return(-1);
6270: }
1.1 root 6271: }
6272: int start_seg = psp_seg + (PSP_SIZE >> 4);
6273: memcpy(mem + (start_seg << 4), file_buffer, 0x10000 - PSP_SIZE);
6274: // segments
6275: cs = ss = psp_seg;
6276: ip = 0x100;
6277: sp = 0xfffe;
6278: }
1.1.1.29 root 6279: if(umb_linked != 0) {
6280: msdos_mem_link_umb();
6281: }
1.1 root 6282:
6283: // create psp
1.1.1.3 root 6284: *(UINT16 *)(mem + 4 * 0x22 + 0) = m_eip;
6285: *(UINT16 *)(mem + 4 * 0x22 + 2) = SREG(CS);
1.1 root 6286: psp_t *psp = msdos_psp_create(psp_seg, psp_seg + paragraphs, current_psp, env_seg);
6287: memcpy(psp->fcb1, mem + (param->fcb1.w.h << 4) + param->fcb1.w.l, sizeof(psp->fcb1));
6288: memcpy(psp->fcb2, mem + (param->fcb2.w.h << 4) + param->fcb2.w.l, sizeof(psp->fcb2));
6289: memcpy(psp->buffer, mem + (param->cmd_line.w.h << 4) + param->cmd_line.w.l, sizeof(psp->buffer));
6290:
6291: mcb_t *mcb_env = (mcb_t *)(mem + ((env_seg - 1) << 4));
6292: mcb_t *mcb_psp = (mcb_t *)(mem + ((psp_seg - 1) << 4));
6293: mcb_psp->psp = mcb_env->psp = psp_seg;
6294:
1.1.1.4 root 6295: for(int i = 0; i < 8; i++) {
6296: if(name_tmp[i] == '.') {
6297: mcb_psp->prog_name[i] = '\0';
6298: break;
6299: } else if(i < 7 && msdos_lead_byte_check(name_tmp[i])) {
6300: mcb_psp->prog_name[i] = name_tmp[i];
6301: i++;
6302: mcb_psp->prog_name[i] = name_tmp[i];
6303: } else if(name_tmp[i] >= 'a' && name_tmp[i] <= 'z') {
6304: mcb_psp->prog_name[i] = name_tmp[i] - 'a' + 'A';
6305: } else {
6306: mcb_psp->prog_name[i] = name_tmp[i];
6307: }
6308: }
6309:
1.1 root 6310: // process info
6311: process_t *process = msdos_process_info_create(psp_seg);
6312: strcpy(process->module_dir, msdos_short_full_dir(path));
1.1.1.33 root 6313: #ifdef USE_DEBUGGER
6314: strcpy(process->module_path, path);
6315: #endif
1.1 root 6316: process->dta.w.l = 0x80;
6317: process->dta.w.h = psp_seg;
6318: process->switchar = '/';
6319: process->max_files = 20;
6320: process->parent_int_10h_feh_called = int_10h_feh_called;
6321: process->parent_int_10h_ffh_called = int_10h_ffh_called;
1.1.1.14 root 6322: process->parent_ds = SREG(DS);
1.1.1.31 root 6323: process->parent_es = SREG(ES);
1.1 root 6324:
6325: current_psp = psp_seg;
1.1.1.23 root 6326: msdos_sda_update(current_psp);
1.1 root 6327:
6328: if(al == 0x00) {
6329: int_10h_feh_called = int_10h_ffh_called = false;
6330:
1.1.1.38 root 6331: // pipe
6332: if(pipe_stdin_path[0] != '\0') {
1.1.1.45! root 6333: // if((fd = _open(pipe_stdin_path, _O_RDONLY | _O_BINARY)) != -1) {
! 6334: if(msdos_is_device_path(pipe_stdin_path)) {
! 6335: fd = msdos_open_device(pipe_stdin_path, _O_RDONLY | _O_BINARY, &sio_port, &lpt_port);
! 6336: } else {
! 6337: fd = _open(pipe_stdin_path, _O_RDONLY | _O_BINARY);
! 6338: }
! 6339: if(fd != -1) {
! 6340: 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 6341: psp->file_table[0] = fd;
6342: msdos_psp_set_file_table(fd, fd, current_psp);
6343: }
6344: }
6345: if(pipe_stdout_path[0] != '\0') {
6346: if(_access(pipe_stdout_path, 0) == 0) {
6347: SetFileAttributes(pipe_stdout_path, FILE_ATTRIBUTE_NORMAL);
6348: DeleteFile(pipe_stdout_path);
6349: }
1.1.1.45! root 6350: // if((fd = _open(pipe_stdout_path, _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE)) != -1) {
! 6351: if(msdos_is_device_path(pipe_stdout_path)) {
! 6352: fd = msdos_open_device(pipe_stdout_path, _O_WRONLY | _O_BINARY, &sio_port, &lpt_port);
! 6353: } else {
! 6354: fd = _open(pipe_stdout_path, _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
! 6355: }
! 6356: if(fd != -1) {
! 6357: 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 6358: psp->file_table[1] = fd;
6359: msdos_psp_set_file_table(fd, fd, current_psp);
6360: }
6361: }
1.1.1.39 root 6362: if(pipe_stderr_path[0] != '\0') {
6363: if(_access(pipe_stderr_path, 0) == 0) {
6364: SetFileAttributes(pipe_stderr_path, FILE_ATTRIBUTE_NORMAL);
6365: DeleteFile(pipe_stderr_path);
6366: }
1.1.1.45! root 6367: // if((fd = _open(pipe_stderr_path, _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE)) != -1) {
! 6368: if(msdos_is_device_path(pipe_stderr_path)) {
! 6369: fd = msdos_open_device(pipe_stderr_path, _O_WRONLY | _O_BINARY, &sio_port, &lpt_port);
! 6370: } else {
! 6371: fd = _open(pipe_stdout_path, _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
! 6372: }
! 6373: if(fd != -1) {
! 6374: 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 6375: psp->file_table[2] = fd;
6376: msdos_psp_set_file_table(fd, fd, current_psp);
6377: }
6378: }
1.1.1.38 root 6379:
1.1 root 6380: // registers and segments
6381: REG16(AX) = REG16(BX) = 0x00;
6382: REG16(CX) = 0xff;
6383: REG16(DX) = psp_seg;
6384: REG16(SI) = ip;
6385: REG16(DI) = sp;
6386: REG16(SP) = sp;
1.1.1.3 root 6387: SREG(DS) = SREG(ES) = psp_seg;
6388: SREG(SS) = ss;
6389: i386_load_segment_descriptor(DS);
6390: i386_load_segment_descriptor(ES);
6391: i386_load_segment_descriptor(SS);
1.1 root 6392:
6393: *(UINT16 *)(mem + (ss << 4) + sp) = 0;
6394: i386_jmp_far(cs, ip);
6395: } else if(al == 0x01) {
6396: // copy ss:sp and cs:ip to param block
6397: param->sp = sp;
6398: param->ss = ss;
6399: param->ip = ip;
6400: param->cs = cs;
1.1.1.31 root 6401:
6402: // the AX value to be passed to the child program is put on top of the child's stack
6403: *(UINT16 *)(mem + (ss << 4) + sp) = REG16(AX);
1.1 root 6404: }
6405: return(0);
6406: }
6407:
6408: void msdos_process_terminate(int psp_seg, int ret, int mem_free)
6409: {
6410: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
6411:
6412: *(UINT32 *)(mem + 4 * 0x22) = psp->int_22h.dw;
6413: *(UINT32 *)(mem + 4 * 0x23) = psp->int_23h.dw;
6414: *(UINT32 *)(mem + 4 * 0x24) = psp->int_24h.dw;
6415:
1.1.1.3 root 6416: SREG(SS) = psp->stack.w.h;
6417: i386_load_segment_descriptor(SS);
1.1 root 6418: REG16(SP) = psp->stack.w.l;
6419: i386_jmp_far(psp->int_22h.w.h, psp->int_22h.w.l);
6420:
1.1.1.28 root 6421: // process_t *current_process = msdos_process_info_get(psp_seg);
6422: process_t *current_process = NULL;
6423: for(int i = 0; i < MAX_PROCESS; i++) {
6424: if(process[i].psp == psp_seg) {
6425: current_process = &process[i];
6426: break;
6427: }
6428: }
6429: if(current_process == NULL) {
6430: throw(0x1f); // general failure
6431: }
6432: int_10h_feh_called = current_process->parent_int_10h_feh_called;
6433: int_10h_ffh_called = current_process->parent_int_10h_ffh_called;
6434: if(current_process->called_by_int2eh) {
6435: REG16(AX) = ret;
6436: }
6437: SREG(DS) = current_process->parent_ds;
1.1.1.31 root 6438: SREG(ES) = current_process->parent_es;
1.1.1.14 root 6439: i386_load_segment_descriptor(DS);
1.1.1.31 root 6440: i386_load_segment_descriptor(ES);
1.1 root 6441:
6442: if(mem_free) {
1.1.1.8 root 6443: int mcb_seg;
6444: while((mcb_seg = msdos_mem_get_last_mcb(first_mcb, psp_seg)) != -1) {
6445: msdos_mem_free(mcb_seg + 1);
6446: }
6447: while((mcb_seg = msdos_mem_get_last_mcb(UMB_TOP >> 4, psp_seg)) != -1) {
6448: msdos_mem_free(mcb_seg + 1);
6449: }
1.1 root 6450:
6451: for(int i = 0; i < MAX_FILES; i++) {
6452: if(file_handler[i].valid && file_handler[i].psp == psp_seg) {
6453: _close(i);
1.1.1.20 root 6454: msdos_file_handler_close(i);
6455: msdos_psp_set_file_table(i, 0x0ff, psp_seg); // FIXME: consider duplicated file handles
1.1 root 6456: }
6457: }
1.1.1.13 root 6458: msdos_dta_info_free(psp_seg);
1.1 root 6459: }
1.1.1.14 root 6460: msdos_stdio_reopen();
1.1 root 6461:
1.1.1.28 root 6462: memset(current_process, 0, sizeof(process_t));
1.1 root 6463:
6464: current_psp = psp->parent_psp;
6465: retval = ret;
1.1.1.23 root 6466: msdos_sda_update(current_psp);
1.1 root 6467: }
6468:
6469: // drive
6470:
1.1.1.42 root 6471: int pcbios_update_drive_param(int drive_num, int force_update);
6472:
1.1 root 6473: int msdos_drive_param_block_update(int drive_num, UINT16 *seg, UINT16 *ofs, int force_update)
6474: {
1.1.1.41 root 6475: if(!(drive_num >= 0 && drive_num < 26)) {
6476: return(0);
6477: }
1.1.1.42 root 6478: pcbios_update_drive_param(drive_num, force_update);
6479:
6480: drive_param_t *drive_param = &drive_params[drive_num];
1.1 root 6481: *seg = DPB_TOP >> 4;
6482: *ofs = sizeof(dpb_t) * drive_num;
6483: dpb_t *dpb = (dpb_t *)(mem + (*seg << 4) + *ofs);
6484:
6485: memset(dpb, 0, sizeof(dpb_t));
6486:
1.1.1.41 root 6487: dpb->drive_num = drive_num;
6488: dpb->unit_num = drive_num;
1.1.1.42 root 6489:
6490: if(drive_param->valid) {
6491: DISK_GEOMETRY *geo = &drive_param->geometry;
6492:
6493: dpb->bytes_per_sector = (UINT16)geo->BytesPerSector;
6494: dpb->highest_sector_num = (UINT8)(geo->SectorsPerTrack - 1);
6495: dpb->highest_cluster_num = (UINT16)(geo->TracksPerCylinder * geo->Cylinders.QuadPart + 1);
6496: dpb->maximum_cluster_num = (UINT32)(geo->TracksPerCylinder * geo->Cylinders.QuadPart + 1);
6497: switch(geo->MediaType) {
6498: case F5_320_512: // floppy, double-sided, 8 sectors per track (320K)
6499: dpb->media_type = 0xff;
6500: break;
6501: case F5_160_512: // floppy, single-sided, 8 sectors per track (160K)
6502: dpb->media_type = 0xfe;
6503: break;
6504: case F5_360_512: // floppy, double-sided, 9 sectors per track (360K)
6505: dpb->media_type = 0xfd;
6506: break;
6507: case F5_180_512: // floppy, single-sided, 9 sectors per track (180K)
6508: dpb->media_type = 0xfc;
6509: break;
6510: case F5_1Pt2_512: // floppy, double-sided, 15 sectors per track (1.2M)
6511: case F3_1Pt2_512:
6512: case F3_720_512: // floppy, double-sided, 9 sectors per track (720K,3.5")
6513: case F5_720_512:
6514: dpb->media_type = 0xf9;
6515: break;
6516: case FixedMedia: // hard disk
6517: case RemovableMedia:
6518: case Unknown:
6519: dpb->media_type = 0xf8;
6520: break;
6521: default:
6522: dpb->media_type = 0xf0;
6523: break;
6524: }
6525: }
1.1.1.41 root 6526: dpb->next_dpb_ofs = (drive_num == 25) ? 0xffff : *ofs + sizeof(dpb_t);
6527: dpb->next_dpb_seg = (drive_num == 25) ? 0xffff : *seg;
1.1.1.42 root 6528: dpb->info_sector = 0xffff;
6529: dpb->backup_boot_sector = 0xffff;
6530: dpb->free_clusters = 0xffff;
6531: dpb->free_search_cluster = 0xffffffff;
6532:
6533: return(drive_param->valid);
1.1 root 6534: }
6535:
6536: // pc bios
6537:
1.1.1.35 root 6538: #ifdef USE_SERVICE_THREAD
6539: void start_service_loop(LPTHREAD_START_ROUTINE lpStartAddress)
6540: {
6541: #if defined(HAS_I386)
6542: if(m_SF != 0) {
6543: m_SF = 0;
6544: mem[0xfffd0 + 0x15] = 0x79; // jns -4
6545: } else {
6546: m_SF = 1;
6547: mem[0xfffd0 + 0x15] = 0x78; // js -4
6548: }
6549: #else
6550: if(m_SignVal < 0) {
6551: m_SignVal = 0;
6552: mem[0xfffd0 + 0x15] = 0x79; // jns -4
6553: } else {
6554: m_SignVal = -1;
6555: mem[0xfffd0 + 0x15] = 0x78; // js -4
6556: }
6557: #endif
6558: i386_call_far(0xfffd, 0x0013);
6559: in_service = true;
6560: service_exit = false;
6561: CloseHandle(CreateThread(NULL, 0, lpStartAddress, NULL, 0, NULL));
6562: }
6563:
6564: void finish_service_loop()
6565: {
6566: if(in_service && service_exit) {
6567: #if defined(HAS_I386)
6568: if(m_SF != 0) {
6569: m_SF = 0;
6570: } else {
6571: m_SF = 1;
6572: }
6573: #else
6574: if(m_SignVal < 0) {
6575: m_SignVal = 0;
6576: } else {
6577: m_SignVal = -1;
6578: }
6579: #endif
6580: in_service = false;
6581: }
6582: }
6583: #endif
6584:
1.1.1.19 root 6585: UINT32 get_ticks_since_midnight(UINT32 cur_msec)
6586: {
6587: static unsigned __int64 start_msec_since_midnight = 0;
6588: static unsigned __int64 start_msec_since_hostboot = 0;
6589:
6590: if(start_msec_since_midnight == 0) {
6591: SYSTEMTIME time;
6592: GetLocalTime(&time);
6593: start_msec_since_midnight = ((time.wHour * 60 + time.wMinute) * 60 + time.wSecond) * 1000 + time.wMilliseconds;
6594: start_msec_since_hostboot = cur_msec;
6595: }
6596: unsigned __int64 msec = (start_msec_since_midnight + cur_msec - start_msec_since_hostboot) % (24 * 60 * 60 * 1000);
6597: unsigned __int64 tick = msec * 0x1800b0 / (24 * 60 * 60 * 1000);
6598: return (UINT32)tick;
6599: }
6600:
6601: void pcbios_update_daily_timer_counter(UINT32 cur_msec)
6602: {
6603: UINT32 prev_tick = *(UINT32 *)(mem + 0x46c);
6604: UINT32 next_tick = get_ticks_since_midnight(cur_msec);
6605:
6606: if(prev_tick > next_tick) {
6607: mem[0x470] = 1;
6608: }
6609: *(UINT32 *)(mem + 0x46c) = next_tick;
6610: }
6611:
1.1.1.14 root 6612: inline void pcbios_irq0()
6613: {
6614: //++*(UINT32 *)(mem + 0x46c);
1.1.1.19 root 6615: pcbios_update_daily_timer_counter(timeGetTime());
1.1.1.14 root 6616: }
6617:
1.1.1.16 root 6618: int pcbios_get_text_vram_address(int page)
1.1 root 6619: {
6620: if(/*mem[0x449] == 0x03 || */mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.8 root 6621: return TEXT_VRAM_TOP;
1.1 root 6622: } else {
1.1.1.14 root 6623: return TEXT_VRAM_TOP + VIDEO_REGEN * (page % vram_pages);
1.1 root 6624: }
6625: }
6626:
1.1.1.16 root 6627: int pcbios_get_shadow_buffer_address(int page)
1.1 root 6628: {
1.1.1.14 root 6629: if(!int_10h_feh_called) {
1.1.1.16 root 6630: return pcbios_get_text_vram_address(page);
1.1.1.14 root 6631: } else if(/*mem[0x449] == 0x03 || */mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.8 root 6632: return SHADOW_BUF_TOP;
6633: } else {
1.1.1.14 root 6634: return SHADOW_BUF_TOP + VIDEO_REGEN * (page % vram_pages);
1.1.1.8 root 6635: }
6636: }
6637:
1.1.1.16 root 6638: int pcbios_get_shadow_buffer_address(int page, int x, int y)
1.1.1.8 root 6639: {
1.1.1.16 root 6640: return pcbios_get_shadow_buffer_address(page) + (x + y * scr_width) * 2;
1.1 root 6641: }
6642:
1.1.1.16 root 6643: void pcbios_set_console_size(int width, int height, bool clr_screen)
1.1 root 6644: {
1.1.1.14 root 6645: // clear the existing screen, not just the new one
6646: int clr_height = max(height, scr_height);
6647:
1.1.1.16 root 6648: if(scr_width != width || scr_height != height) {
6649: change_console_size(width, height);
1.1.1.14 root 6650: }
6651: mem[0x462] = 0;
6652: *(UINT16 *)(mem + 0x44e) = 0;
6653:
1.1.1.16 root 6654: text_vram_top_address = pcbios_get_text_vram_address(0);
6655: text_vram_end_address = text_vram_top_address + width * height * 2;
6656: shadow_buffer_top_address = pcbios_get_shadow_buffer_address(0);
6657: shadow_buffer_end_address = shadow_buffer_top_address + width * height * 2;
1.1 root 6658:
1.1.1.23 root 6659: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.16 root 6660: if(clr_screen) {
1.1.1.14 root 6661: for(int ofs = shadow_buffer_top_address; ofs < shadow_buffer_end_address;) {
6662: mem[ofs++] = 0x20;
6663: mem[ofs++] = 0x07;
6664: }
6665:
1.1.1.35 root 6666: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6667: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 6668: #endif
1.1.1.14 root 6669: for(int y = 0; y < clr_height; y++) {
6670: for(int x = 0; x < scr_width; x++) {
6671: SCR_BUF(y,x).Char.AsciiChar = ' ';
6672: SCR_BUF(y,x).Attributes = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
1.1 root 6673: }
6674: }
6675: SMALL_RECT rect;
1.1.1.14 root 6676: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + clr_height - 1);
6677: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
6678: vram_length_char = vram_last_length_char = 0;
6679: vram_length_attr = vram_last_length_attr = 0;
1.1.1.35 root 6680: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6681: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 6682: #endif
1.1 root 6683: }
1.1.1.14 root 6684: COORD co;
6685: co.X = 0;
6686: co.Y = scr_top;
6687: SetConsoleCursorPosition(hStdout, co);
6688: cursor_moved = true;
6689: SetConsoleTextAttribute(hStdout, FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
1.1 root 6690: }
6691:
1.1.1.36 root 6692: void pcbios_update_cursor_position()
6693: {
6694: CONSOLE_SCREEN_BUFFER_INFO csbi;
6695: GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
6696: if(!restore_console_on_exit) {
6697: scr_top = csbi.srWindow.Top;
6698: }
6699: mem[0x450 + mem[0x462] * 2] = csbi.dwCursorPosition.X;
6700: mem[0x451 + mem[0x462] * 2] = csbi.dwCursorPosition.Y - scr_top;
6701: }
6702:
1.1.1.16 root 6703: inline void pcbios_int_10h_00h()
6704: {
6705: switch(REG8(AL) & 0x7f) {
6706: case 0x70: // v-text mode
6707: case 0x71: // extended cga v-text mode
6708: pcbios_set_console_size(scr_width, scr_height, !(REG8(AL) & 0x80));
6709: break;
6710: default:
6711: pcbios_set_console_size(80, 25, !(REG8(AL) & 0x80));
6712: break;
6713: }
6714: if(REG8(AL) & 0x80) {
6715: mem[0x487] |= 0x80;
6716: } else {
6717: mem[0x487] &= ~0x80;
6718: }
6719: mem[0x449] = REG8(AL) & 0x7f;
6720: }
6721:
1.1 root 6722: inline void pcbios_int_10h_01h()
6723: {
1.1.1.13 root 6724: mem[0x460] = REG8(CL);
6725: mem[0x461] = REG8(CH);
1.1.1.14 root 6726:
1.1.1.23 root 6727: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 6728: CONSOLE_CURSOR_INFO ci;
6729: GetConsoleCursorInfo(hStdout, &ci);
6730: // ci.bVisible = !(REG8(CH) & 0x60) && REG8(CH) <= REG8(CL);
6731: // if(ci.bVisible) {
6732: int lines = max(8, REG8(CL) + 1);
6733: ci.dwSize = (REG8(CL) - REG8(CH) + 1) * 100 / lines;
6734: // }
6735: SetConsoleCursorInfo(hStdout, &ci);
1.1 root 6736: }
6737:
6738: inline void pcbios_int_10h_02h()
6739: {
1.1.1.14 root 6740: // continuously setting the cursor effectively stops it blinking
6741: if(mem[0x462] == REG8(BH) && (REG8(DL) != mem[0x450 + REG8(BH) * 2] || REG8(DH) != mem[0x451 + REG8(BH) * 2])) {
1.1 root 6742: COORD co;
6743: co.X = REG8(DL);
1.1.1.14 root 6744: co.Y = REG8(DH) + scr_top;
6745:
6746: // some programs hide the cursor by moving it off screen
6747: static bool hidden = false;
1.1.1.23 root 6748: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 6749: CONSOLE_CURSOR_INFO ci;
6750: GetConsoleCursorInfo(hStdout, &ci);
6751:
6752: if(REG8(DH) >= scr_height || !SetConsoleCursorPosition(hStdout, co)) {
6753: if(ci.bVisible) {
6754: ci.bVisible = FALSE;
6755: // SetConsoleCursorInfo(hStdout, &ci);
6756: hidden = true;
6757: }
6758: } else if(hidden) {
6759: if(!ci.bVisible) {
6760: ci.bVisible = TRUE;
6761: // SetConsoleCursorInfo(hStdout, &ci);
6762: }
6763: hidden = false;
6764: }
1.1 root 6765: }
1.1.1.14 root 6766: mem[0x450 + (REG8(BH) % vram_pages) * 2] = REG8(DL);
6767: mem[0x451 + (REG8(BH) % vram_pages) * 2] = REG8(DH);
1.1 root 6768: }
6769:
6770: inline void pcbios_int_10h_03h()
6771: {
1.1.1.14 root 6772: REG8(DL) = mem[0x450 + (REG8(BH) % vram_pages) * 2];
6773: REG8(DH) = mem[0x451 + (REG8(BH) % vram_pages) * 2];
1.1 root 6774: REG8(CL) = mem[0x460];
6775: REG8(CH) = mem[0x461];
6776: }
6777:
6778: inline void pcbios_int_10h_05h()
6779: {
1.1.1.14 root 6780: if(REG8(AL) >= vram_pages) {
6781: return;
6782: }
6783: if(mem[0x462] != REG8(AL)) {
6784: vram_flush();
6785:
1.1.1.23 root 6786: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 6787: SMALL_RECT rect;
1.1.1.14 root 6788: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + scr_height - 1);
6789: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 6790:
1.1.1.16 root 6791: for(int y = 0, ofs = pcbios_get_shadow_buffer_address(mem[0x462]); y < scr_height; y++) {
1.1.1.14 root 6792: for(int x = 0; x < scr_width; x++) {
6793: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar;
6794: mem[ofs++] = SCR_BUF(y,x).Attributes;
1.1 root 6795: }
6796: }
1.1.1.16 root 6797: for(int y = 0, ofs = pcbios_get_shadow_buffer_address(REG8(AL)); y < scr_height; y++) {
1.1.1.14 root 6798: for(int x = 0; x < scr_width; x++) {
6799: SCR_BUF(y,x).Char.AsciiChar = mem[ofs++];
6800: SCR_BUF(y,x).Attributes = mem[ofs++];
1.1 root 6801: }
6802: }
1.1.1.14 root 6803: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 6804:
6805: COORD co;
1.1.1.14 root 6806: co.X = mem[0x450 + REG8(AL) * 2];
6807: co.Y = mem[0x451 + REG8(AL) * 2] + scr_top;
6808: if(co.Y < scr_top + scr_height) {
6809: SetConsoleCursorPosition(hStdout, co);
6810: }
1.1 root 6811: }
1.1.1.14 root 6812: mem[0x462] = REG8(AL);
6813: *(UINT16 *)(mem + 0x44e) = REG8(AL) * VIDEO_REGEN;
6814: int regen = min(scr_width * scr_height * 2, 0x8000);
1.1.1.16 root 6815: text_vram_top_address = pcbios_get_text_vram_address(mem[0x462]);
1.1.1.14 root 6816: text_vram_end_address = text_vram_top_address + regen;
1.1.1.16 root 6817: shadow_buffer_top_address = pcbios_get_shadow_buffer_address(mem[0x462]);
1.1.1.14 root 6818: shadow_buffer_end_address = shadow_buffer_top_address + regen;
1.1 root 6819: }
6820:
6821: inline void pcbios_int_10h_06h()
6822: {
1.1.1.14 root 6823: if(REG8(CH) >= scr_height || REG8(CH) > REG8(DH) ||
6824: REG8(CL) >= scr_width || REG8(CL) > REG8(DL)) {
6825: return;
6826: }
6827: vram_flush();
6828:
1.1.1.23 root 6829: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 6830: SMALL_RECT rect;
1.1.1.14 root 6831: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + scr_height - 1);
6832: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
6833:
6834: int right = min(REG8(DL), scr_width - 1);
6835: int bottom = min(REG8(DH), scr_height - 1);
1.1 root 6836:
6837: if(REG8(AL) == 0) {
1.1.1.14 root 6838: for(int y = REG8(CH); y <= bottom; y++) {
1.1.1.16 root 6839: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 6840: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar = ' ';
6841: mem[ofs++] = SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 6842: }
6843: }
6844: } else {
1.1.1.14 root 6845: for(int y = REG8(CH), y2 = min(REG8(CH) + REG8(AL), bottom + 1); y <= bottom; y++, y2++) {
1.1.1.16 root 6846: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 6847: if(y2 <= bottom) {
6848: SCR_BUF(y,x) = SCR_BUF(y2,x);
1.1 root 6849: } else {
1.1.1.14 root 6850: SCR_BUF(y,x).Char.AsciiChar = ' ';
6851: SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 6852: }
1.1.1.14 root 6853: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar;
6854: mem[ofs++] = SCR_BUF(y,x).Attributes;
1.1 root 6855: }
6856: }
6857: }
1.1.1.14 root 6858: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 6859: }
6860:
6861: inline void pcbios_int_10h_07h()
6862: {
1.1.1.14 root 6863: if(REG8(CH) >= scr_height || REG8(CH) > REG8(DH) ||
6864: REG8(CL) >= scr_width || REG8(CL) > REG8(DL)) {
6865: return;
6866: }
6867: vram_flush();
6868:
1.1.1.23 root 6869: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 6870: SMALL_RECT rect;
1.1.1.14 root 6871: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + scr_height - 1);
6872: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
6873:
6874: int right = min(REG8(DL), scr_width - 1);
6875: int bottom = min(REG8(DH), scr_height - 1);
1.1 root 6876:
6877: if(REG8(AL) == 0) {
1.1.1.14 root 6878: for(int y = REG8(CH); y <= bottom; y++) {
1.1.1.16 root 6879: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 6880: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar = ' ';
6881: mem[ofs++] = SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 6882: }
6883: }
6884: } else {
1.1.1.14 root 6885: for(int y = bottom, y2 = max(REG8(CH) - 1, bottom - REG8(AL)); y >= REG8(CH); y--, y2--) {
1.1.1.16 root 6886: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 6887: if(y2 >= REG8(CH)) {
6888: SCR_BUF(y,x) = SCR_BUF(y2,x);
1.1 root 6889: } else {
1.1.1.14 root 6890: SCR_BUF(y,x).Char.AsciiChar = ' ';
6891: SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 6892: }
1.1.1.14 root 6893: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar;
6894: mem[ofs++] = SCR_BUF(y,x).Attributes;
1.1 root 6895: }
6896: }
6897: }
1.1.1.14 root 6898: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 6899: }
6900:
6901: inline void pcbios_int_10h_08h()
6902: {
6903: COORD co;
6904: DWORD num;
6905:
1.1.1.14 root 6906: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
6907: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
1.1 root 6908:
6909: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 6910: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 6911: co.Y += scr_top;
6912: vram_flush();
1.1 root 6913: ReadConsoleOutputCharacter(hStdout, scr_char, 1, co, &num);
6914: ReadConsoleOutputAttribute(hStdout, scr_attr, 1, co, &num);
6915: REG8(AL) = scr_char[0];
6916: REG8(AH) = scr_attr[0];
6917: } else {
1.1.1.16 root 6918: REG16(AX) = *(UINT16 *)(mem + pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y));
1.1 root 6919: }
6920: }
6921:
6922: inline void pcbios_int_10h_09h()
6923: {
6924: COORD co;
6925:
1.1.1.14 root 6926: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
6927: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
6928:
1.1.1.16 root 6929: int dest = pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y);
6930: int end = min(dest + REG16(CX) * 2, pcbios_get_shadow_buffer_address(REG8(BH), 0, scr_height));
1.1 root 6931:
6932: if(mem[0x462] == REG8(BH)) {
1.1.1.35 root 6933: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6934: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 6935: #endif
1.1.1.16 root 6936: int vram = pcbios_get_shadow_buffer_address(REG8(BH));
1.1.1.14 root 6937: while(dest < end) {
6938: write_text_vram_char(dest - vram, REG8(AL));
6939: mem[dest++] = REG8(AL);
6940: write_text_vram_attr(dest - vram, REG8(BL));
6941: mem[dest++] = REG8(BL);
1.1 root 6942: }
1.1.1.35 root 6943: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6944: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 6945: #endif
1.1 root 6946: } else {
1.1.1.14 root 6947: while(dest < end) {
1.1 root 6948: mem[dest++] = REG8(AL);
6949: mem[dest++] = REG8(BL);
6950: }
6951: }
6952: }
6953:
6954: inline void pcbios_int_10h_0ah()
6955: {
6956: COORD co;
6957:
1.1.1.14 root 6958: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
6959: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
6960:
1.1.1.16 root 6961: int dest = pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y);
6962: int end = min(dest + REG16(CX) * 2, pcbios_get_shadow_buffer_address(REG8(BH), 0, scr_height));
1.1 root 6963:
6964: if(mem[0x462] == REG8(BH)) {
1.1.1.35 root 6965: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6966: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 6967: #endif
1.1.1.16 root 6968: int vram = pcbios_get_shadow_buffer_address(REG8(BH));
1.1.1.14 root 6969: while(dest < end) {
6970: write_text_vram_char(dest - vram, REG8(AL));
6971: mem[dest++] = REG8(AL);
6972: dest++;
1.1 root 6973: }
1.1.1.35 root 6974: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6975: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 6976: #endif
1.1 root 6977: } else {
1.1.1.14 root 6978: while(dest < end) {
1.1 root 6979: mem[dest++] = REG8(AL);
6980: dest++;
6981: }
6982: }
6983: }
6984:
1.1.1.40 root 6985: HDC get_console_window_device_context()
6986: {
6987: static HWND hwndFound = 0;
6988:
6989: if(hwndFound == 0) {
6990: // https://support.microsoft.com/en-us/help/124103/how-to-obtain-a-console-window-handle-hwnd
6991: char pszNewWindowTitle[1024];
6992: char pszOldWindowTitle[1024];
6993:
6994: GetConsoleTitle(pszOldWindowTitle, 1024);
6995: wsprintf(pszNewWindowTitle,"%d/%d", GetTickCount(), GetCurrentProcessId());
6996: SetConsoleTitle(pszNewWindowTitle);
6997: Sleep(100);
6998: hwndFound = FindWindow(NULL, pszNewWindowTitle);
6999: SetConsoleTitle(pszOldWindowTitle);
7000: }
7001: return GetDC(hwndFound);
7002: }
7003:
7004: inline void pcbios_int_10h_0ch()
7005: {
7006: HDC hdc = get_console_window_device_context();
7007:
7008: if(hdc != NULL) {
7009: BYTE r = (REG8(AL) & 2) ? 255 : 0;
7010: BYTE g = (REG8(AL) & 4) ? 255 : 0;
7011: BYTE b = (REG8(AL) & 1) ? 255 : 0;
7012:
7013: if(REG8(AL) & 0x80) {
7014: COLORREF color = GetPixel(hdc, REG16(CX), REG16(DX));
7015: if(color != CLR_INVALID) {
7016: r ^= ((DWORD)color & 0x0000ff) ? 255 : 0;
7017: g ^= ((DWORD)color & 0x00ff00) ? 255 : 0;
7018: b ^= ((DWORD)color & 0xff0000) ? 255 : 0;
7019: }
7020: }
7021: SetPixel(hdc, REG16(CX), REG16(DX), RGB(r, g, b));
7022: }
7023: }
7024:
7025: inline void pcbios_int_10h_0dh()
7026: {
7027: HDC hdc = get_console_window_device_context();
7028: BYTE r = 0;
7029: BYTE g = 0;
7030: BYTE b = 0;
7031:
7032: if(hdc != NULL) {
7033: COLORREF color = GetPixel(hdc, REG16(CX), REG16(DX));
7034: if(color != CLR_INVALID) {
7035: r = ((DWORD)color & 0x0000ff) ? 255 : 0;
7036: g = ((DWORD)color & 0x00ff00) ? 255 : 0;
7037: b = ((DWORD)color & 0xff0000) ? 255 : 0;
7038: }
7039: }
7040: REG8(AL) = ((b != 0) ? 1 : 0) | ((r != 0) ? 2 : 0) | ((g != 0) ? 4 : 0);
7041: }
7042:
1.1 root 7043: inline void pcbios_int_10h_0eh()
7044: {
1.1.1.14 root 7045: DWORD num;
7046: COORD co;
7047:
7048: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
7049: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
7050:
7051: if(REG8(AL) == 7) {
7052: //MessageBeep(-1);
7053: } else if(REG8(AL) == 8 || REG8(AL) == 10 || REG8(AL) == 13) {
7054: if(REG8(AL) == 10) {
7055: vram_flush();
7056: }
1.1.1.23 root 7057: WriteConsole(GetStdHandle(STD_OUTPUT_HANDLE), ®8(AL), 1, &num, NULL);
1.1.1.14 root 7058: cursor_moved = true;
7059: } else {
1.1.1.16 root 7060: int dest = pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y);
1.1.1.14 root 7061: if(mem[0x462] == REG8(BH)) {
1.1.1.35 root 7062: #ifdef USE_VRAM_THREAD
1.1.1.14 root 7063: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 7064: #endif
1.1.1.16 root 7065: int vram = pcbios_get_shadow_buffer_address(REG8(BH));
1.1.1.14 root 7066: write_text_vram_char(dest - vram, REG8(AL));
1.1.1.35 root 7067: #ifdef USE_VRAM_THREAD
1.1.1.14 root 7068: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 7069: #endif
1.1.1.14 root 7070:
1.1.1.23 root 7071: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 7072: if(++co.X == scr_width) {
7073: co.X = 0;
7074: if(++co.Y == scr_height) {
7075: vram_flush();
7076: WriteConsole(hStdout, "\n", 1, &num, NULL);
7077: cursor_moved = true;
7078: }
7079: }
7080: if(!cursor_moved) {
7081: co.Y += scr_top;
7082: SetConsoleCursorPosition(hStdout, co);
7083: cursor_moved = true;
7084: }
7085: }
7086: mem[dest] = REG8(AL);
7087: }
1.1 root 7088: }
7089:
7090: inline void pcbios_int_10h_0fh()
7091: {
7092: REG8(AL) = mem[0x449];
7093: REG8(AH) = mem[0x44a];
7094: REG8(BH) = mem[0x462];
7095: }
7096:
1.1.1.14 root 7097: inline void pcbios_int_10h_11h()
7098: {
7099: switch(REG8(AL)) {
1.1.1.16 root 7100: case 0x01:
1.1.1.14 root 7101: case 0x11:
1.1.1.16 root 7102: pcbios_set_console_size(80, 28, true);
1.1.1.14 root 7103: break;
1.1.1.16 root 7104: case 0x02:
1.1.1.14 root 7105: case 0x12:
1.1.1.16 root 7106: pcbios_set_console_size(80, 50, true);
1.1.1.14 root 7107: break;
1.1.1.16 root 7108: case 0x04:
1.1.1.14 root 7109: case 0x14:
1.1.1.16 root 7110: pcbios_set_console_size(80, 25, true);
7111: break;
7112: case 0x18:
7113: pcbios_set_console_size(80, 50, true);
1.1.1.14 root 7114: break;
7115: case 0x30:
7116: SREG(ES) = 0;
7117: i386_load_segment_descriptor(ES);
7118: REG16(BP) = 0;
7119: REG16(CX) = mem[0x485];
7120: REG8(DL) = mem[0x484];
7121: break;
7122: }
7123: }
7124:
7125: inline void pcbios_int_10h_12h()
7126: {
1.1.1.16 root 7127: switch(REG8(BL)) {
7128: case 0x10:
1.1.1.14 root 7129: REG16(BX) = 0x0003;
7130: REG16(CX) = 0x0009;
1.1.1.16 root 7131: break;
1.1.1.14 root 7132: }
7133: }
7134:
1.1 root 7135: inline void pcbios_int_10h_13h()
7136: {
1.1.1.3 root 7137: int ofs = SREG_BASE(ES) + REG16(BP);
1.1 root 7138: COORD co;
7139: DWORD num;
7140:
7141: co.X = REG8(DL);
1.1.1.14 root 7142: co.Y = REG8(DH) + scr_top;
7143:
7144: vram_flush();
1.1 root 7145:
7146: switch(REG8(AL)) {
7147: case 0x00:
7148: case 0x01:
7149: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 7150: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 7151: CONSOLE_SCREEN_BUFFER_INFO csbi;
7152: GetConsoleScreenBufferInfo(hStdout, &csbi);
7153: SetConsoleCursorPosition(hStdout, co);
7154:
7155: if(csbi.wAttributes != REG8(BL)) {
7156: SetConsoleTextAttribute(hStdout, REG8(BL));
7157: }
1.1.1.14 root 7158: WriteConsole(hStdout, &mem[ofs], REG16(CX), &num, NULL);
7159:
1.1 root 7160: if(csbi.wAttributes != REG8(BL)) {
7161: SetConsoleTextAttribute(hStdout, csbi.wAttributes);
7162: }
7163: if(REG8(AL) == 0x00) {
1.1.1.15 root 7164: if(!restore_console_on_exit) {
7165: GetConsoleScreenBufferInfo(hStdout, &csbi);
7166: scr_top = csbi.srWindow.Top;
7167: }
1.1.1.14 root 7168: co.X = mem[0x450 + REG8(BH) * 2];
7169: co.Y = mem[0x451 + REG8(BH) * 2] + scr_top;
1.1 root 7170: SetConsoleCursorPosition(hStdout, co);
7171: } else {
7172: cursor_moved = true;
7173: }
7174: } else {
1.1.1.3 root 7175: m_CF = 1;
1.1 root 7176: }
7177: break;
7178: case 0x02:
7179: case 0x03:
7180: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 7181: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 7182: CONSOLE_SCREEN_BUFFER_INFO csbi;
7183: GetConsoleScreenBufferInfo(hStdout, &csbi);
7184: SetConsoleCursorPosition(hStdout, co);
7185:
7186: WORD wAttributes = csbi.wAttributes;
7187: for(int i = 0; i < REG16(CX); i++, ofs += 2) {
7188: if(wAttributes != mem[ofs + 1]) {
7189: SetConsoleTextAttribute(hStdout, mem[ofs + 1]);
7190: wAttributes = mem[ofs + 1];
7191: }
1.1.1.14 root 7192: WriteConsole(hStdout, &mem[ofs], 1, &num, NULL);
1.1 root 7193: }
7194: if(csbi.wAttributes != wAttributes) {
7195: SetConsoleTextAttribute(hStdout, csbi.wAttributes);
7196: }
7197: if(REG8(AL) == 0x02) {
1.1.1.14 root 7198: co.X = mem[0x450 + REG8(BH) * 2];
7199: co.Y = mem[0x451 + REG8(BH) * 2] + scr_top;
1.1 root 7200: SetConsoleCursorPosition(hStdout, co);
7201: } else {
7202: cursor_moved = true;
7203: }
7204: } else {
1.1.1.3 root 7205: m_CF = 1;
1.1 root 7206: }
7207: break;
7208: case 0x10:
7209: case 0x11:
7210: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 7211: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 7212: ReadConsoleOutputCharacter(hStdout, scr_char, REG16(CX), co, &num);
7213: ReadConsoleOutputAttribute(hStdout, scr_attr, REG16(CX), co, &num);
7214: for(int i = 0; i < num; i++) {
7215: mem[ofs++] = scr_char[i];
7216: mem[ofs++] = scr_attr[i];
1.1.1.45! root 7217: if(REG8(AL) & 0x01) {
1.1 root 7218: mem[ofs++] = 0;
7219: mem[ofs++] = 0;
7220: }
7221: }
7222: } else {
1.1.1.16 root 7223: 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 7224: mem[ofs++] = mem[src++];
7225: mem[ofs++] = mem[src++];
1.1.1.45! root 7226: if(REG8(AL) & 0x01) {
1.1 root 7227: mem[ofs++] = 0;
7228: mem[ofs++] = 0;
7229: }
1.1.1.14 root 7230: if(++co.X == scr_width) {
7231: if(++co.Y == scr_height) {
1.1 root 7232: break;
7233: }
7234: co.X = 0;
7235: }
7236: }
7237: }
7238: break;
1.1.1.45! root 7239: case 0x12: // ???
! 7240: case 0x13: // ???
1.1 root 7241: case 0x20:
7242: case 0x21:
7243: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 7244: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 7245: int len = min(REG16(CX), scr_width * scr_height);
7246: for(int i = 0; i < len; i++) {
1.1 root 7247: scr_char[i] = mem[ofs++];
7248: scr_attr[i] = mem[ofs++];
1.1.1.45! root 7249: if(REG8(AL) & 0x01) {
1.1 root 7250: ofs += 2;
7251: }
7252: }
1.1.1.14 root 7253: WriteConsoleOutputCharacter(hStdout, scr_char, len, co, &num);
7254: WriteConsoleOutputAttribute(hStdout, scr_attr, len, co, &num);
1.1 root 7255: } else {
1.1.1.16 root 7256: 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 7257: mem[dest++] = mem[ofs++];
7258: mem[dest++] = mem[ofs++];
1.1.1.45! root 7259: if(REG8(AL) & 0x01) {
1.1 root 7260: ofs += 2;
7261: }
1.1.1.14 root 7262: if(++co.X == scr_width) {
7263: if(++co.Y == scr_height) {
1.1 root 7264: break;
7265: }
7266: co.X = 0;
7267: }
7268: }
7269: }
7270: break;
7271: default:
1.1.1.22 root 7272: 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 7273: m_CF = 1;
1.1 root 7274: break;
7275: }
7276: }
7277:
1.1.1.30 root 7278: inline void pcbios_int_10h_18h()
7279: {
7280: switch(REG8(AL)) {
7281: case 0x00:
7282: case 0x01:
7283: // REG8(AL) = 0x86;
7284: REG8(AL) = 0x00;
7285: break;
7286: default:
7287: 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));
7288: m_CF = 1;
7289: break;
7290: }
7291: }
7292:
1.1.1.14 root 7293: inline void pcbios_int_10h_1ah()
7294: {
7295: switch(REG8(AL)) {
7296: case 0x00:
7297: REG8(AL) = 0x1a;
7298: REG8(BL) = 0x08;
7299: REG8(BH) = 0x00;
7300: break;
7301: default:
1.1.1.22 root 7302: 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 7303: m_CF = 1;
7304: break;
7305: }
7306: }
7307:
1.1 root 7308: inline void pcbios_int_10h_1dh()
7309: {
7310: switch(REG8(AL)) {
1.1.1.43 root 7311: case 0x00:
7312: // DOS/V Shift Status Line Control is not supported
7313: m_CF = 1;
7314: break;
1.1 root 7315: case 0x01:
7316: break;
7317: case 0x02:
7318: REG16(BX) = 0;
7319: break;
7320: default:
1.1.1.22 root 7321: 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));
7322: m_CF = 1;
7323: break;
7324: }
7325: }
7326:
7327: inline void pcbios_int_10h_4fh()
7328: {
7329: switch(REG8(AL)) {
7330: case 0x00:
7331: REG8(AH) = 0x02; // not supported
7332: break;
7333: case 0x01:
7334: case 0x02:
7335: case 0x03:
7336: case 0x04:
7337: case 0x05:
7338: case 0x06:
7339: case 0x07:
7340: case 0x08:
7341: case 0x09:
7342: case 0x0a:
7343: case 0x0b:
7344: case 0x0c:
7345: REG8(AH) = 0x01; // failed
7346: break;
7347: default:
7348: 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 7349: m_CF = 1;
1.1 root 7350: break;
7351: }
7352: }
7353:
7354: inline void pcbios_int_10h_82h()
7355: {
7356: static UINT8 mode = 0;
7357:
7358: switch(REG8(AL)) {
1.1.1.22 root 7359: case 0x00:
1.1 root 7360: if(REG8(BL) != 0xff) {
7361: mode = REG8(BL);
7362: }
7363: REG8(AL) = mode;
7364: break;
7365: default:
1.1.1.22 root 7366: 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 7367: m_CF = 1;
1.1 root 7368: break;
7369: }
7370: }
7371:
1.1.1.22 root 7372: inline void pcbios_int_10h_83h()
7373: {
7374: static UINT8 mode = 0;
7375:
7376: switch(REG8(AL)) {
7377: case 0x00:
7378: REG16(AX) = 0; // offset???
7379: SREG(ES) = (SHADOW_BUF_TOP >> 4);
7380: i386_load_segment_descriptor(ES);
7381: REG16(BX) = (SHADOW_BUF_TOP & 0x0f);
7382: break;
7383: default:
7384: 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));
7385: m_CF = 1;
7386: break;
7387: }
7388: }
7389:
7390: inline void pcbios_int_10h_90h()
7391: {
7392: REG8(AL) = mem[0x449];
7393: }
7394:
7395: inline void pcbios_int_10h_91h()
7396: {
7397: REG8(AL) = 0x04; // VGA
7398: }
7399:
7400: inline void pcbios_int_10h_efh()
7401: {
7402: REG16(DX) = 0xffff;
7403: }
7404:
1.1 root 7405: inline void pcbios_int_10h_feh()
7406: {
7407: if(mem[0x449] == 0x03 || mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.8 root 7408: SREG(ES) = (SHADOW_BUF_TOP >> 4);
1.1.1.3 root 7409: i386_load_segment_descriptor(ES);
1.1.1.8 root 7410: REG16(DI) = (SHADOW_BUF_TOP & 0x0f);
1.1 root 7411: }
7412: int_10h_feh_called = true;
7413: }
7414:
7415: inline void pcbios_int_10h_ffh()
7416: {
7417: if(mem[0x449] == 0x03 || mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.23 root 7418: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 7419: COORD co;
7420: DWORD num;
7421:
1.1.1.14 root 7422: vram_flush();
7423:
7424: co.X = (REG16(DI) >> 1) % scr_width;
7425: co.Y = (REG16(DI) >> 1) / scr_width;
1.1.1.16 root 7426: int ofs = pcbios_get_shadow_buffer_address(0, co.X, co.Y);
7427: int end = min(ofs + REG16(CX) * 2, pcbios_get_shadow_buffer_address(0, 0, scr_height));
1.1.1.14 root 7428: int len;
7429: for(len = 0; ofs < end; len++) {
7430: scr_char[len] = mem[ofs++];
7431: scr_attr[len] = mem[ofs++];
7432: }
7433: co.Y += scr_top;
7434: WriteConsoleOutputCharacter(hStdout, scr_char, len, co, &num);
7435: WriteConsoleOutputAttribute(hStdout, scr_attr, len, co, &num);
1.1 root 7436: }
7437: int_10h_ffh_called = true;
7438: }
7439:
1.1.1.42 root 7440: int pcbios_update_drive_param(int drive_num, int force_update)
7441: {
7442: if(drive_num >= 0 && drive_num < 26) {
7443: drive_param_t *drive_param = &drive_params[drive_num];
7444:
7445: if(force_update || !drive_param->initialized) {
7446: drive_param->valid = 0;
7447: char dev[64];
7448: sprintf(dev, "\\\\.\\%c:", 'A' + drive_num);
7449:
7450: HANDLE hFile = CreateFile(dev, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
7451: if(hFile != INVALID_HANDLE_VALUE) {
7452: DWORD dwSize;
7453: if(DeviceIoControl(hFile, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0, &drive_param->geometry, sizeof(DISK_GEOMETRY), &dwSize, NULL)) {
7454: drive_param->valid = 1;
7455: }
7456: CloseHandle(hFile);
7457: }
7458: drive_param->initialized = 1;
7459: }
7460: return(drive_param->valid);
7461: }
7462: return(0);
7463: }
7464:
7465: inline void pcbios_int_13h_00h()
7466: {
7467: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7468:
7469: if(pcbios_update_drive_param(drive_num, 1)) {
7470: REG8(AH) = 0x00; // successful completion
7471: } else {
7472: if(REG8(DL) & 0x80) {
7473: REG8(AH) = 0x05; // reset failed (hard disk)
7474: } else {
7475: REG8(AH) = 0x80; // timeout (not ready)
7476: }
7477: m_CF = 1;
7478: }
7479: }
7480:
7481: inline void pcbios_int_13h_02h()
7482: {
7483: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7484:
7485: if(REG8(AL) == 0) {
7486: REG8(AH) = 0x01; // invalid function in AH or invalid parameter
7487: m_CF = 1;
7488: } else if(!pcbios_update_drive_param(drive_num, 0)) {
7489: REG8(AH) = 0xff; // sense operation failed (hard disk)
7490: m_CF = 1;
7491: } else {
7492: drive_param_t *drive_param = &drive_params[drive_num];
7493: DISK_GEOMETRY *geo = &drive_param->geometry;
7494: char dev[64];
7495: sprintf(dev, "\\\\.\\%c:", 'A' + drive_num);
7496:
7497: HANDLE hFile = CreateFile(dev, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
7498: if(hFile == INVALID_HANDLE_VALUE) {
7499: REG8(AH) = 0xff; // sense operation failed (hard disk)
7500: m_CF = 1;
7501: } else {
7502: UINT32 sector_num = REG8(AL);
7503: UINT32 cylinder = REG8(CH) | ((REG8(CL) & 0xc0) << 2);
7504: UINT32 head = REG8(DH);
7505: UINT32 sector = REG8(CL) & 0x3f;
7506: UINT32 top_sector = ((cylinder * drive_param->head_num() + head) * geo->SectorsPerTrack) + sector - 1;
7507: UINT32 buffer_addr = SREG_BASE(ES) + REG16(BX);
7508: DWORD dwSize;
7509:
7510: // if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
7511: // REG8(AH) = 0xff; // sense operation failed (hard disk)
7512: // m_CF = 1;
7513: // } else
7514: if(SetFilePointer(hFile, top_sector * geo->BytesPerSector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
7515: REG8(AH) = 0x04; // sector not found/read error
7516: m_CF = 1;
7517: } else if(ReadFile(hFile, mem + buffer_addr, sector_num * geo->BytesPerSector, &dwSize, NULL) == 0) {
7518: REG8(AH) = 0x04; // sector not found/read error
7519: m_CF = 1;
7520: } else {
7521: REG8(AH) = 0x00; // successful completion
7522: }
7523: CloseHandle(hFile);
7524: }
7525: }
7526: }
7527:
7528: inline void pcbios_int_13h_03h()
7529: {
7530: // this operation may cause serious damage for drives, so support only floppy disk...
7531: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7532:
7533: if(REG8(AL) == 0) {
7534: REG8(AH) = 0x01; // invalid function in AH or invalid parameter
7535: m_CF = 1;
7536: } else if(!pcbios_update_drive_param(drive_num, 0)) {
7537: REG8(AH) = 0xff; // sense operation failed (hard disk)
7538: m_CF = 1;
7539: } else if(!drive_params[drive_num].is_fdd()) {
7540: REG8(AH) = 0xff; // sense operation failed (hard disk)
7541: m_CF = 1;
7542: } else {
7543: drive_param_t *drive_param = &drive_params[drive_num];
7544: DISK_GEOMETRY *geo = &drive_param->geometry;
7545: char dev[64];
7546: sprintf(dev, "\\\\.\\%c:", 'A' + drive_num);
7547:
7548: HANDLE hFile = CreateFile(dev, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
7549: if(hFile == INVALID_HANDLE_VALUE) {
7550: REG8(AH) = 0xff; // sense operation failed (hard disk)
7551: m_CF = 1;
7552: } else {
7553: UINT32 sector_num = REG8(AL);
7554: UINT32 cylinder = REG8(CH) | ((REG8(CL) & 0xc0) << 2);
7555: UINT32 head = REG8(DH);
7556: UINT32 sector = REG8(CL) & 0x3f;
7557: UINT32 top_sector = ((cylinder * drive_param->head_num() + head) * geo->SectorsPerTrack) + sector - 1;
7558: UINT32 buffer_addr = SREG_BASE(ES) + REG16(BX);
7559: DWORD dwSize;
7560:
7561: // if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
7562: // REG8(AH) = 0xff; // sense operation failed (hard disk)
7563: // m_CF = 1;
7564: // } else
7565: if(SetFilePointer(hFile, top_sector * geo->BytesPerSector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
7566: REG8(AH) = 0x04; // sector not found/read error
7567: m_CF = 1;
7568: } else if(WriteFile(hFile, mem + buffer_addr, sector_num * geo->BytesPerSector, &dwSize, NULL) == 0) {
7569: REG8(AH) = 0x04; // sector not found/read error
7570: m_CF = 1;
7571: } else {
7572: REG8(AH) = 0x00; // successful completion
7573: }
7574: CloseHandle(hFile);
7575: }
7576: }
7577: }
7578:
7579: inline void pcbios_int_13h_04h()
7580: {
7581: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7582:
7583: if(REG8(AL) == 0) {
7584: REG8(AH) = 0x01; // invalid function in AH or invalid parameter
7585: m_CF = 1;
7586: } else if(!pcbios_update_drive_param(drive_num, 0)) {
7587: REG8(AH) = 0xff; // sense operation failed (hard disk)
7588: m_CF = 1;
7589: } else {
7590: drive_param_t *drive_param = &drive_params[drive_num];
7591: DISK_GEOMETRY *geo = &drive_param->geometry;
7592: char dev[64];
7593: sprintf(dev, "\\\\.\\%c:", 'A' + drive_num);
7594:
7595: HANDLE hFile = CreateFile(dev, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
7596: if(hFile == INVALID_HANDLE_VALUE) {
7597: REG8(AH) = 0xff; // sense operation failed (hard disk)
7598: m_CF = 1;
7599: } else {
7600: UINT32 sector_num = REG8(AL);
7601: UINT32 cylinder = REG8(CH) | ((REG8(CL) & 0xc0) << 2);
7602: UINT32 head = REG8(DH);
7603: UINT32 sector = REG8(CL) & 0x3f;
7604: UINT32 top_sector = ((cylinder * drive_param->head_num() + head) * geo->SectorsPerTrack) + sector - 1;
7605: UINT32 buffer_addr = SREG_BASE(ES) + REG16(BX);
7606: DWORD dwSize;
7607: UINT8 *tmp_buffer = (UINT8 *)malloc(sector_num * geo->BytesPerSector);
7608:
7609: // if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
7610: // REG8(AH) = 0xff; // sense operation failed (hard disk)
7611: // m_CF = 1;
7612: // } else
7613: if(SetFilePointer(hFile, top_sector * geo->BytesPerSector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
7614: REG8(AH) = 0x04; // sector not found/read error
7615: m_CF = 1;
7616: } else if(ReadFile(hFile, tmp_buffer, sector_num * geo->BytesPerSector, &dwSize, NULL) == 0) {
7617: REG8(AH) = 0x04; // sector not found/read error
7618: m_CF = 1;
7619: } else if(memcmp(mem + buffer_addr, tmp_buffer, sector_num * geo->BytesPerSector) != 0) {
7620: REG8(AH) = 0x05; // data did not verify correctly (TI Professional PC)
7621: m_CF = 1;
7622: } else {
7623: REG8(AH) = 0x00; // successful completion
7624: }
7625: free(tmp_buffer);
7626: CloseHandle(hFile);
7627: }
7628: }
7629: }
7630:
7631: inline void pcbios_int_13h_08h()
7632: {
7633: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7634:
7635: if(pcbios_update_drive_param(drive_num, 1)) {
7636: drive_param_t *drive_param = &drive_params[drive_num];
7637: DISK_GEOMETRY *geo = &drive_param->geometry;
7638:
7639: REG16(AX) = 0x0000;
7640: switch(geo->MediaType) {
7641: case F5_360_512:
7642: case F5_320_512:
7643: case F5_320_1024:
7644: case F5_180_512:
7645: case F5_160_512:
7646: REG8(BL) = 0x01; // 320K/360K disk
7647: break;
7648: case F5_1Pt2_512:
7649: case F3_1Pt2_512:
7650: case F3_1Pt23_1024:
7651: case F5_1Pt23_1024:
7652: REG8(BL) = 0x02; // 1.2M disk
7653: break;
7654: case F3_720_512:
7655: case F3_640_512:
7656: case F5_640_512:
7657: case F5_720_512:
7658: REG8(BL) = 0x03; // 720K disk
7659: break;
7660: case F3_1Pt44_512:
7661: REG8(BL) = 0x04; // 1.44M disk
7662: break;
7663: case F3_2Pt88_512:
7664: REG8(BL) = 0x06; // 2.88M disk
7665: break;
7666: case RemovableMedia:
7667: REG8(BL) = 0x10; // ATAPI Removable Media Device
7668: break;
7669: default:
7670: REG8(BL) = 0x00; // unknown
7671: break;
7672: }
7673: if(REG8(DL) & 0x80) {
7674: switch(GetLogicalDrives() & 0x0c) {
7675: case 0x00: REG8(DL) = 0x00; break;
7676: case 0x04:
7677: case 0x08: REG8(DL) = 0x01; break;
7678: case 0x0c: REG8(DL) = 0x02; break;
7679: }
7680: } else {
7681: switch(GetLogicalDrives() & 0x03) {
7682: case 0x00: REG8(DL) = 0x00; break;
7683: case 0x01:
7684: case 0x02: REG8(DL) = 0x01; break;
7685: case 0x03: REG8(DL) = 0x02; break;
7686: }
7687: }
7688: REG8(DH) = drive_param->head_num();
7689: int cyl = (geo->Cylinders.QuadPart > 0x3ff) ? 0x3ff : geo->Cylinders.QuadPart;
7690: int sec = (geo->SectorsPerTrack > 0x3f) ? 0x3f : geo->SectorsPerTrack;
7691: REG8(CH) = cyl & 0xff;
7692: REG8(CL) = (sec & 0x3f) | ((cyl & 0x300) >> 2);
7693: } else {
7694: REG8(AH) = 0x07;
7695: m_CF = 1;
7696: }
7697: }
7698:
7699: inline void pcbios_int_13h_10h()
7700: {
7701: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7702:
7703: if(pcbios_update_drive_param(drive_num, 1)) {
7704: REG8(AH) = 0x00; // successful completion
7705: } else {
7706: if(REG8(DL) & 0x80) {
7707: REG8(AH) = 0xaa; // drive not ready (hard disk)
7708: } else {
7709: REG8(AH) = 0x80; // timeout (not ready)
7710: }
7711: m_CF = 1;
7712: }
7713: }
7714:
7715: inline void pcbios_int_13h_15h()
7716: {
7717: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7718:
7719: if(pcbios_update_drive_param(drive_num, 1)) {
7720: if(REG8(DL) & 0x80) {
7721: REG8(AH) = 0x02; // floppy (or other removable drive) with change-line support
7722: } else {
7723: REG8(AH) = 0x03; // hard disk
7724: }
7725: } else {
7726: REG8(AH) = 0x00; // no such drive
7727: }
7728: }
7729:
1.1.1.43 root 7730: inline void pcbios_int_13h_41h()
7731: {
7732: if(REG16(BX) == 0x55aa) {
7733: // IBM/MS INT 13 Extensions is not installed
7734: REG8(AH) = 0x01;
7735: m_CF = 1;
7736: } else {
7737: 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));
7738: REG8(AH) = 0x01;
7739: m_CF = 1;
7740: }
7741: }
7742:
1.1.1.25 root 7743: inline void pcbios_int_14h_00h()
7744: {
1.1.1.29 root 7745: if(REG16(DX) < 4) {
1.1.1.25 root 7746: static const unsigned int rate[] = {110, 150, 300, 600, 1200, 2400, 4800, 9600};
7747: UINT8 selector = sio_read(REG16(DX), 3);
7748: selector &= ~0x3f;
7749: selector |= REG8(AL) & 0x1f;
7750: UINT16 divisor = 115200 / rate[REG8(AL) >> 5];
7751: sio_write(REG16(DX), 3, selector | 0x80);
7752: sio_write(REG16(DX), 0, divisor & 0xff);
7753: sio_write(REG16(DX), 1, divisor >> 8);
7754: sio_write(REG16(DX), 3, selector);
7755: REG8(AH) = sio_read(REG16(DX), 5);
7756: REG8(AL) = sio_read(REG16(DX), 6);
7757: } else {
7758: REG8(AH) = 0x80;
7759: }
7760: }
7761:
7762: inline void pcbios_int_14h_01h()
7763: {
1.1.1.29 root 7764: if(REG16(DX) < 4) {
1.1.1.25 root 7765: UINT8 selector = sio_read(REG16(DX), 3);
7766: sio_write(REG16(DX), 3, selector & ~0x80);
7767: sio_write(REG16(DX), 0, REG8(AL));
7768: sio_write(REG16(DX), 3, selector);
7769: REG8(AH) = sio_read(REG16(DX), 5);
7770: } else {
7771: REG8(AH) = 0x80;
7772: }
7773: }
7774:
7775: inline void pcbios_int_14h_02h()
7776: {
1.1.1.29 root 7777: if(REG16(DX) < 4) {
1.1.1.25 root 7778: UINT8 selector = sio_read(REG16(DX), 3);
7779: sio_write(REG16(DX), 3, selector & ~0x80);
7780: REG8(AL) = sio_read(REG16(DX), 0);
7781: sio_write(REG16(DX), 3, selector);
7782: REG8(AH) = sio_read(REG16(DX), 5);
7783: } else {
7784: REG8(AH) = 0x80;
7785: }
7786: }
7787:
7788: inline void pcbios_int_14h_03h()
7789: {
1.1.1.29 root 7790: if(REG16(DX) < 4) {
1.1.1.25 root 7791: REG8(AH) = sio_read(REG16(DX), 5);
7792: REG8(AL) = sio_read(REG16(DX), 6);
7793: } else {
7794: REG8(AH) = 0x80;
7795: }
7796: }
7797:
7798: inline void pcbios_int_14h_04h()
7799: {
1.1.1.29 root 7800: if(REG16(DX) < 4) {
1.1.1.25 root 7801: UINT8 selector = sio_read(REG16(DX), 3);
7802: if(REG8(CH) <= 0x03) {
7803: selector = (selector & ~0x03) | REG8(CH);
7804: }
7805: if(REG8(BL) == 0x00) {
7806: selector &= ~0x04;
7807: } else if(REG8(BL) == 0x01) {
7808: selector |= 0x04;
7809: }
7810: if(REG8(BH) == 0x00) {
7811: selector = (selector & ~0x38) | 0x00;
7812: } else if(REG8(BH) == 0x01) {
7813: selector = (selector & ~0x38) | 0x08;
7814: } else if(REG8(BH) == 0x02) {
7815: selector = (selector & ~0x38) | 0x18;
7816: } else if(REG8(BH) == 0x03) {
7817: selector = (selector & ~0x38) | 0x28;
7818: } else if(REG8(BH) == 0x04) {
7819: selector = (selector & ~0x38) | 0x38;
7820: }
7821: if(REG8(AL) == 0x00) {
7822: selector |= 0x40;
7823: } else if(REG8(AL) == 0x01) {
7824: selector &= ~0x40;
7825: }
7826: if(REG8(CL) <= 0x0b) {
7827: static const unsigned int rate[] = {110, 150, 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200};
7828: UINT16 divisor = 115200 / rate[REG8(CL)];
7829: sio_write(REG16(DX), 3, selector | 0x80);
7830: sio_write(REG16(DX), 0, divisor & 0xff);
7831: sio_write(REG16(DX), 1, divisor >> 8);
7832: }
7833: sio_write(REG16(DX), 3, selector);
7834: REG8(AH) = sio_read(REG16(DX), 5);
7835: REG8(AL) = sio_read(REG16(DX), 6);
7836: } else {
7837: REG8(AH) = 0x80;
7838: }
7839: }
7840:
7841: inline void pcbios_int_14h_05h()
7842: {
1.1.1.29 root 7843: if(REG16(DX) < 4) {
1.1.1.25 root 7844: if(REG8(AL) == 0x00) {
7845: REG8(BL) = sio_read(REG16(DX), 4);
7846: REG8(AH) = sio_read(REG16(DX), 5);
7847: REG8(AL) = sio_read(REG16(DX), 6);
7848: } else if(REG8(AL) == 0x01) {
7849: sio_write(REG16(DX), 4, REG8(BL));
7850: REG8(AH) = sio_read(REG16(DX), 5);
7851: REG8(AL) = sio_read(REG16(DX), 6);
7852: } else {
7853: 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));
7854: }
7855: } else {
7856: REG8(AH) = 0x80;
7857: }
7858: }
7859:
1.1.1.14 root 7860: inline void pcbios_int_15h_10h()
7861: {
1.1.1.22 root 7862: switch(REG8(AL)) {
7863: case 0x00:
1.1.1.14 root 7864: Sleep(10);
1.1.1.35 root 7865: REQUEST_HARDWRE_UPDATE();
1.1.1.22 root 7866: break;
7867: default:
7868: 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 7869: REG8(AH) = 0x86;
7870: m_CF = 1;
7871: }
7872: }
7873:
1.1 root 7874: inline void pcbios_int_15h_23h()
7875: {
7876: switch(REG8(AL)) {
1.1.1.22 root 7877: case 0x00:
1.1.1.8 root 7878: REG8(CL) = cmos_read(0x2d);
7879: REG8(CH) = cmos_read(0x2e);
1.1 root 7880: break;
1.1.1.22 root 7881: case 0x01:
1.1.1.8 root 7882: cmos_write(0x2d, REG8(CL));
7883: cmos_write(0x2e, REG8(CH));
1.1 root 7884: break;
7885: default:
1.1.1.22 root 7886: 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 7887: REG8(AH) = 0x86;
1.1.1.3 root 7888: m_CF = 1;
1.1 root 7889: break;
7890: }
7891: }
7892:
7893: inline void pcbios_int_15h_24h()
7894: {
7895: switch(REG8(AL)) {
1.1.1.22 root 7896: case 0x00:
1.1.1.3 root 7897: i386_set_a20_line(0);
1.1 root 7898: REG8(AH) = 0;
7899: break;
1.1.1.22 root 7900: case 0x01:
1.1.1.3 root 7901: i386_set_a20_line(1);
1.1 root 7902: REG8(AH) = 0;
7903: break;
1.1.1.22 root 7904: case 0x02:
1.1 root 7905: REG8(AH) = 0;
1.1.1.3 root 7906: REG8(AL) = (m_a20_mask >> 20) & 1;
1.1 root 7907: REG16(CX) = 0;
7908: break;
1.1.1.22 root 7909: case 0x03:
1.1 root 7910: REG16(AX) = 0;
7911: REG16(BX) = 0;
7912: break;
1.1.1.22 root 7913: default:
7914: 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));
7915: REG8(AH) = 0x86;
7916: m_CF = 1;
7917: break;
1.1 root 7918: }
7919: }
7920:
7921: inline void pcbios_int_15h_49h()
7922: {
1.1.1.27 root 7923: REG8(AH) = 0x00;
7924: REG8(BL) = 0x00; // DOS/V
1.1 root 7925: }
7926:
1.1.1.22 root 7927: inline void pcbios_int_15h_50h()
7928: {
7929: switch(REG8(AL)) {
7930: case 0x00:
7931: case 0x01:
7932: if(REG8(BH) != 0x00 && REG8(BH) != 0x01) {
7933: REG8(AH) = 0x01; // invalid font type in bh
7934: m_CF = 1;
1.1.1.27 root 7935: } else if(REG8(BL) != 0x00) {
1.1.1.22 root 7936: REG8(AH) = 0x02; // bl not zero
7937: m_CF = 1;
7938: } else if(REG16(BP) != 0 && REG16(BP) != 437 && REG16(BP) != 932 && REG16(BP) != 934 && REG16(BP) != 936 && REG16(BP) != 938) {
7939: REG8(AH) = 0x04; // invalid code page
7940: m_CF = 1;
1.1.1.27 root 7941: } else if(REG8(AL) == 0x01) {
7942: REG8(AH) = 0x06; // font is read only
1.1.1.22 root 7943: m_CF = 1;
1.1.1.27 root 7944: } else {
7945: // dummy font read routine is at fffd:000d
7946: SREG(ES) = 0xfffd;
7947: i386_load_segment_descriptor(ES);
1.1.1.32 root 7948: REG16(BX) = 0x000d;
1.1.1.27 root 7949: REG8(AH) = 0x00; // success
1.1.1.22 root 7950: }
7951: break;
7952: default:
7953: 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));
7954: REG8(AH) = 0x86;
7955: m_CF = 1;
7956: break;
7957: }
7958: }
7959:
1.1.1.30 root 7960: inline void pcbios_int_15h_53h()
7961: {
7962: switch(REG8(AL)) {
7963: case 0x00:
7964: // APM is not installed
7965: REG8(AH) = 0x86;
7966: m_CF = 1;
7967: break;
7968: default:
7969: 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));
7970: REG8(AH) = 0x86;
7971: m_CF = 1;
7972: break;
7973: }
7974: }
7975:
1.1.1.43 root 7976: inline void pcbios_int_15h_84h()
7977: {
7978: // joystick support (from DOSBox)
7979: switch(REG16(DX)) {
7980: case 0x00:
7981: REG16(AX) = 0x00f0;
7982: REG16(DX) = 0x0201;
7983: m_CF = 1;
7984: break;
7985: case 0x01:
7986: REG16(AX) = REG16(BX) = REG16(CX) = REG16(DX) = 0x0000;
7987: m_CF = 1;
7988: break;
7989: default:
7990: 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));
7991: REG8(AH) = 0x86;
7992: m_CF = 1;
7993: break;
7994: }
7995: }
1.1.1.35 root 7996:
7997: DWORD WINAPI pcbios_int_15h_86h_thread(LPVOID)
1.1 root 7998: {
7999: UINT32 usec = (REG16(CX) << 16) | REG16(DX);
1.1.1.14 root 8000: UINT32 msec = usec / 1000;
8001:
1.1.1.35 root 8002: while(msec && !m_halted) {
1.1.1.14 root 8003: UINT32 tmp = min(msec, 100);
8004: if(msec - tmp < 10) {
8005: tmp = msec;
8006: }
8007: Sleep(tmp);
8008: msec -= tmp;
8009: }
1.1.1.35 root 8010:
8011: #ifdef USE_SERVICE_THREAD
8012: service_exit = true;
8013: #endif
8014: return(0);
8015: }
8016:
8017: inline void pcbios_int_15h_86h()
8018: {
8019: if(!(REG16(CX) == 0 && REG16(DX) == 0)) {
8020: #ifdef USE_SERVICE_THREAD
8021: start_service_loop(pcbios_int_15h_86h_thread);
8022: #else
8023: pcbios_int_15h_86h_thread(NULL);
8024: REQUEST_HARDWRE_UPDATE();
8025: #endif
8026: }
1.1 root 8027: }
8028:
8029: inline void pcbios_int_15h_87h()
8030: {
8031: // copy extended memory (from DOSBox)
8032: int len = REG16(CX) * 2;
1.1.1.3 root 8033: int ofs = SREG_BASE(ES) + REG16(SI);
1.1 root 8034: int src = (*(UINT32 *)(mem + ofs + 0x12) & 0xffffff); // + (mem[ofs + 0x16] << 24);
8035: int dst = (*(UINT32 *)(mem + ofs + 0x1a) & 0xffffff); // + (mem[ofs + 0x1e] << 24);
8036: memcpy(mem + dst, mem + src, len);
8037: REG16(AX) = 0x00;
8038: }
8039:
8040: inline void pcbios_int_15h_88h()
8041: {
1.1.1.17 root 8042: REG16(AX) = ((min(MAX_MEM, 0x4000000) - 0x100000) >> 10);
1.1 root 8043: }
8044:
8045: inline void pcbios_int_15h_89h()
8046: {
1.1.1.21 root 8047: #if defined(HAS_I286) || defined(HAS_I386)
1.1 root 8048: // switch to protected mode (from DOSBox)
8049: write_io_byte(0x20, 0x10);
8050: write_io_byte(0x21, REG8(BH));
8051: write_io_byte(0x21, 0x00);
8052: write_io_byte(0xa0, 0x10);
8053: write_io_byte(0xa1, REG8(BL));
8054: write_io_byte(0xa1, 0x00);
1.1.1.3 root 8055: i386_set_a20_line(1);
8056: int ofs = SREG_BASE(ES) + REG16(SI);
8057: m_gdtr.limit = *(UINT16 *)(mem + ofs + 0x08);
8058: m_gdtr.base = *(UINT32 *)(mem + ofs + 0x08 + 0x02) & 0xffffff;
8059: m_idtr.limit = *(UINT16 *)(mem + ofs + 0x10);
8060: m_idtr.base = *(UINT32 *)(mem + ofs + 0x10 + 0x02) & 0xffffff;
8061: #if defined(HAS_I386)
8062: m_cr[0] |= 1;
8063: #else
8064: m_msw |= 1;
8065: #endif
8066: SREG(DS) = 0x18;
8067: SREG(ES) = 0x20;
8068: SREG(SS) = 0x28;
8069: i386_load_segment_descriptor(DS);
8070: i386_load_segment_descriptor(ES);
8071: i386_load_segment_descriptor(SS);
1.1.1.21 root 8072: UINT16 offset = *(UINT16 *)(mem + SREG_BASE(SS) + REG16(SP));
1.1 root 8073: REG16(SP) += 6;
1.1.1.3 root 8074: #if defined(HAS_I386)
1.1.1.21 root 8075: UINT32 flags = get_flags();
8076: flags &= (0x20000 | 0x40000 | 0x80000 | 0x100000 | 0x200000);
8077: set_flags(flags);
1.1.1.3 root 8078: #else
1.1.1.21 root 8079: UINT32 flags = CompressFlags();
8080: flags &= (0x20000 | 0x40000 | 0x80000 | 0x100000 | 0x200000);
8081: ExpandFlags(flags);
1.1.1.3 root 8082: #endif
1.1 root 8083: REG16(AX) = 0x00;
1.1.1.21 root 8084: i386_jmp_far(0x30, /*REG16(CX)*/offset);
1.1 root 8085: #else
1.1.1.21 root 8086: // i86/i186/v30: protected mode is not supported
1.1 root 8087: REG8(AH) = 0x86;
1.1.1.3 root 8088: m_CF = 1;
1.1 root 8089: #endif
8090: }
8091:
1.1.1.21 root 8092: inline void pcbios_int_15h_8ah()
8093: {
8094: UINT32 size = MAX_MEM - 0x100000;
8095: REG16(AX) = size & 0xffff;
8096: REG16(DX) = size >> 16;
8097: }
8098:
1.1.1.3 root 8099: #if defined(HAS_I386)
1.1 root 8100: inline void pcbios_int_15h_c9h()
8101: {
8102: REG8(AH) = 0x00;
8103: REG8(CH) = cpu_type;
8104: REG8(CL) = cpu_step;
8105: }
1.1.1.3 root 8106: #endif
1.1 root 8107:
8108: inline void pcbios_int_15h_cah()
8109: {
8110: switch(REG8(AL)) {
1.1.1.22 root 8111: case 0x00:
1.1 root 8112: if(REG8(BL) > 0x3f) {
8113: REG8(AH) = 0x03;
1.1.1.3 root 8114: m_CF = 1;
1.1 root 8115: } else if(REG8(BL) < 0x0e) {
8116: REG8(AH) = 0x04;
1.1.1.3 root 8117: m_CF = 1;
1.1 root 8118: } else {
1.1.1.8 root 8119: REG8(CL) = cmos_read(REG8(BL));
1.1 root 8120: }
8121: break;
1.1.1.22 root 8122: case 0x01:
1.1 root 8123: if(REG8(BL) > 0x3f) {
8124: REG8(AH) = 0x03;
1.1.1.3 root 8125: m_CF = 1;
1.1 root 8126: } else if(REG8(BL) < 0x0e) {
8127: REG8(AH) = 0x04;
1.1.1.3 root 8128: m_CF = 1;
1.1 root 8129: } else {
1.1.1.8 root 8130: cmos_write(REG8(BL), REG8(CL));
1.1 root 8131: }
8132: break;
8133: default:
1.1.1.22 root 8134: 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 8135: REG8(AH) = 0x86;
1.1.1.3 root 8136: m_CF = 1;
1.1 root 8137: break;
8138: }
8139: }
8140:
1.1.1.22 root 8141: inline void pcbios_int_15h_e8h()
1.1.1.17 root 8142: {
1.1.1.22 root 8143: switch(REG8(AL)) {
8144: #if defined(HAS_I386)
8145: case 0x01:
8146: REG16(AX) = REG16(CX) = ((min(MAX_MEM, 0x1000000) - 0x100000) >> 10);
8147: REG16(BX) = REG16(DX) = ((max(MAX_MEM, 0x1000000) - 0x1000000) >> 16);
8148: break;
1.1.1.17 root 8149: #endif
1.1.1.22 root 8150: default:
8151: 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));
8152: REG8(AH) = 0x86;
8153: m_CF = 1;
8154: break;
8155: }
8156: }
1.1.1.17 root 8157:
1.1.1.33 root 8158: void pcbios_update_key_code(bool wait)
1.1 root 8159: {
1.1.1.32 root 8160: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 8161: #ifdef USE_SERVICE_THREAD
8162: EnterCriticalSection(&key_buf_crit_sect);
8163: #endif
8164: bool empty = key_buf_char->empty();
8165: #ifdef USE_SERVICE_THREAD
8166: LeaveCriticalSection(&key_buf_crit_sect);
8167: #endif
8168: if(empty) {
1.1.1.32 root 8169: if(!update_key_buffer()) {
1.1.1.33 root 8170: if(wait) {
1.1.1.32 root 8171: Sleep(10);
8172: } else {
8173: maybe_idle();
8174: }
1.1.1.14 root 8175: }
8176: }
1.1.1.34 root 8177: }
8178: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 8179: #ifdef USE_SERVICE_THREAD
8180: EnterCriticalSection(&key_buf_crit_sect);
8181: #endif
1.1.1.32 root 8182: if(key_buf_char->count() != 0) {
1.1.1.41 root 8183: int key_char = key_buf_char->read();
8184: int key_scan = key_buf_scan->read();
8185: key_code = key_char << 0;
8186: key_code |= key_scan << 8;
1.1.1.35 root 8187: key_recv = 0x0000ffff;
1.1.1.41 root 8188: // write to bottom of key buffer
8189: mem[0x43c] = (UINT8)key_char;
8190: mem[0x43d] = (UINT8)key_scan;
1.1.1.32 root 8191: }
8192: if(key_buf_char->count() != 0) {
1.1.1.41 root 8193: int key_char = key_buf_char->read();
8194: int key_scan = key_buf_scan->read();
8195: key_code |= key_char << 16;
8196: key_code |= key_scan << 24;
1.1.1.33 root 8197: key_recv |= 0xffff0000;
1.1.1.41 root 8198: // write to bottom of key buffer
8199: mem[0x43c] = (UINT8)key_char;
8200: mem[0x43d] = (UINT8)key_scan;
1.1.1.32 root 8201: }
1.1.1.35 root 8202: #ifdef USE_SERVICE_THREAD
8203: LeaveCriticalSection(&key_buf_crit_sect);
8204: #endif
1.1 root 8205: }
8206: }
8207:
1.1.1.35 root 8208: DWORD WINAPI pcbios_int_16h_00h_thread(LPVOID)
1.1 root 8209: {
1.1.1.33 root 8210: while(key_recv == 0 && !m_halted) {
8211: pcbios_update_key_code(true);
1.1 root 8212: }
1.1.1.33 root 8213: if((key_recv & 0x0000ffff) && (key_recv & 0xffff0000)) {
8214: if((key_code & 0xffff) == 0x0000 || (key_code & 0xffff) == 0xe000) {
8215: if(REG8(AH) == 0x10) {
8216: key_code = ((key_code >> 8) & 0xff) | ((key_code >> 16) & 0xff00);
8217: } else {
8218: key_code = ((key_code >> 16) & 0xff00);
8219: }
8220: key_recv >>= 16;
1.1 root 8221: }
8222: }
8223: REG16(AX) = key_code & 0xffff;
8224: key_code >>= 16;
1.1.1.33 root 8225: key_recv >>= 16;
1.1.1.35 root 8226:
8227: #ifdef USE_SERVICE_THREAD
8228: service_exit = true;
8229: #endif
8230: return(0);
8231: }
8232:
8233: inline void pcbios_int_16h_00h()
8234: {
8235: #ifdef USE_SERVICE_THREAD
8236: start_service_loop(pcbios_int_16h_00h_thread);
8237: #else
8238: pcbios_int_16h_00h_thread(NULL);
8239: REQUEST_HARDWRE_UPDATE();
8240: #endif
1.1 root 8241: }
8242:
8243: inline void pcbios_int_16h_01h()
8244: {
1.1.1.33 root 8245: if(key_recv == 0) {
8246: pcbios_update_key_code(false);
1.1.1.5 root 8247: }
1.1.1.33 root 8248: if(key_recv != 0) {
8249: UINT32 key_code_tmp = key_code;
8250: if((key_recv & 0x0000ffff) && (key_recv & 0xffff0000)) {
8251: if((key_code_tmp & 0xffff) == 0x0000 || (key_code_tmp & 0xffff) == 0xe000) {
8252: if(REG8(AH) == 0x11) {
8253: key_code_tmp = ((key_code_tmp >> 8) & 0xff) | ((key_code_tmp >> 16) & 0xff00);
8254: } else {
8255: key_code_tmp = ((key_code_tmp >> 16) & 0xff00);
8256: }
8257: }
1.1 root 8258: }
1.1.1.5 root 8259: REG16(AX) = key_code_tmp & 0xffff;
1.1.1.3 root 8260: #if defined(HAS_I386)
1.1.1.33 root 8261: m_ZF = 0;
8262: #else
8263: m_ZeroVal = 1;
8264: #endif
8265: } else {
8266: #if defined(HAS_I386)
8267: m_ZF = 1;
1.1.1.3 root 8268: #else
1.1.1.33 root 8269: m_ZeroVal = 0;
1.1.1.3 root 8270: #endif
1.1.1.33 root 8271: }
1.1 root 8272: }
8273:
8274: inline void pcbios_int_16h_02h()
8275: {
8276: REG8(AL) = (GetAsyncKeyState(VK_INSERT ) & 0x0001) ? 0x80 : 0;
8277: REG8(AL) |= (GetAsyncKeyState(VK_CAPITAL) & 0x0001) ? 0x40 : 0;
8278: REG8(AL) |= (GetAsyncKeyState(VK_NUMLOCK) & 0x0001) ? 0x20 : 0;
8279: REG8(AL) |= (GetAsyncKeyState(VK_SCROLL ) & 0x0001) ? 0x10 : 0;
8280: REG8(AL) |= (GetAsyncKeyState(VK_MENU ) & 0x8000) ? 0x08 : 0;
8281: REG8(AL) |= (GetAsyncKeyState(VK_CONTROL) & 0x8000) ? 0x04 : 0;
8282: REG8(AL) |= (GetAsyncKeyState(VK_LSHIFT ) & 0x8000) ? 0x02 : 0;
8283: REG8(AL) |= (GetAsyncKeyState(VK_RSHIFT ) & 0x8000) ? 0x01 : 0;
8284: }
8285:
8286: inline void pcbios_int_16h_03h()
8287: {
8288: static UINT16 status = 0;
8289:
8290: switch(REG8(AL)) {
8291: case 0x05:
8292: status = REG16(BX);
8293: break;
8294: case 0x06:
8295: REG16(BX) = status;
8296: break;
8297: default:
1.1.1.3 root 8298: m_CF = 1;
1.1 root 8299: break;
8300: }
8301: }
8302:
8303: inline void pcbios_int_16h_05h()
8304: {
1.1.1.32 root 8305: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 8306: #ifdef USE_SERVICE_THREAD
8307: EnterCriticalSection(&key_buf_crit_sect);
8308: #endif
1.1.1.32 root 8309: key_buf_char->write(REG8(CL));
8310: key_buf_scan->write(REG8(CH));
1.1.1.35 root 8311: #ifdef USE_SERVICE_THREAD
8312: LeaveCriticalSection(&key_buf_crit_sect);
8313: #endif
1.1.1.32 root 8314: }
1.1 root 8315: REG8(AL) = 0x00;
8316: }
8317:
8318: inline void pcbios_int_16h_12h()
8319: {
8320: pcbios_int_16h_02h();
8321:
8322: REG8(AH) = 0;//(GetAsyncKeyState(VK_SYSREQ ) & 0x8000) ? 0x80 : 0;
8323: REG8(AH) |= (GetAsyncKeyState(VK_CAPITAL ) & 0x8000) ? 0x40 : 0;
8324: REG8(AH) |= (GetAsyncKeyState(VK_NUMLOCK ) & 0x8000) ? 0x20 : 0;
8325: REG8(AH) |= (GetAsyncKeyState(VK_SCROLL ) & 0x8000) ? 0x10 : 0;
8326: REG8(AH) |= (GetAsyncKeyState(VK_RMENU ) & 0x8000) ? 0x08 : 0;
8327: REG8(AH) |= (GetAsyncKeyState(VK_RCONTROL) & 0x8000) ? 0x04 : 0;
8328: REG8(AH) |= (GetAsyncKeyState(VK_LMENU ) & 0x8000) ? 0x02 : 0;
8329: REG8(AH) |= (GetAsyncKeyState(VK_LCONTROL) & 0x8000) ? 0x01 : 0;
8330: }
8331:
8332: inline void pcbios_int_16h_13h()
8333: {
8334: static UINT16 status = 0;
8335:
8336: switch(REG8(AL)) {
8337: case 0x00:
8338: status = REG16(DX);
8339: break;
8340: case 0x01:
8341: REG16(DX) = status;
8342: break;
8343: default:
1.1.1.22 root 8344: 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 8345: m_CF = 1;
1.1 root 8346: break;
8347: }
8348: }
8349:
8350: inline void pcbios_int_16h_14h()
8351: {
8352: static UINT8 status = 0;
8353:
8354: switch(REG8(AL)) {
8355: case 0x00:
8356: case 0x01:
8357: status = REG8(AL);
8358: break;
8359: case 0x02:
8360: REG8(AL) = status;
8361: break;
8362: default:
1.1.1.22 root 8363: 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 8364: m_CF = 1;
1.1 root 8365: break;
8366: }
8367: }
8368:
1.1.1.24 root 8369: inline void pcbios_int_16h_55h()
8370: {
8371: switch(REG8(AL)) {
8372: case 0x00:
8373: // keyboard tsr is not present
8374: break;
8375: case 0xfe:
8376: // handlers for INT 08, INT 09, INT 16, INT 1B, and INT 1C are installed
8377: break;
8378: case 0xff:
8379: break;
8380: default:
8381: 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));
8382: m_CF = 1;
8383: break;
8384: }
8385: }
8386:
1.1.1.30 root 8387: inline void pcbios_int_16h_6fh()
8388: {
8389: switch(REG8(AL)) {
8390: case 0x00:
8391: // HP Vectra EX-BIOS - "F16_INQUIRE" - Extended BIOS is not installed
8392: break;
8393: default:
8394: 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));
8395: m_CF = 1;
8396: break;
8397: }
8398: }
8399:
1.1.1.37 root 8400: UINT16 pcbios_printer_jis2sjis(UINT16 jis)
8401: {
8402: UINT8 hi = jis >> 8;
8403: UINT8 lo = jis & 0xff;
8404:
8405: lo = (hi & 0x01) ? lo - 0x1f : lo + 0x7d;
8406: hi = (hi - 0x21) / 2 + 0x81;
8407: hi = (hi >= 0xa0) ? hi + 0x40 : hi;
8408: lo = (lo >= 0x7f) ? lo + 0x01 : lo;
8409:
8410: return((hi << 8) + lo);
8411: }
8412:
8413: UINT16 pcbios_printer_sjis2jis(UINT16 sjis)
8414: {
8415: UINT8 hi = sjis >> 8;
8416: UINT8 lo = sjis & 0xff;
8417:
8418: if(hi == 0x80 || (hi >= 0xeb && hi <= 0xef) || (hi >= 0xf4 && hi <= 0xff)) {
8419: return(0x2121);
8420: }
8421: if((lo >= 0x00 && lo <= 0x3f) || lo == 0x7f || (lo >= 0xfd && lo <= 0xff)) {
8422: return(0x2121);
8423: }
8424: if(hi >= 0xf0 && hi <= 0xf3) {
8425: // gaiji
8426: if(lo >= 0x40 && lo <= 0x7e) {
8427: return(0x7721 + lo - 0x40 + (hi - 0xf0) * 0x200);
8428: }
8429: if(lo >= 0x80 && lo <= 0x9e) {
8430: return(0x7760 + lo - 0x80 + (hi - 0xf0) * 0x200);
8431: }
8432: if(lo >= 0x9f && lo <= 0xfc) {
8433: return(0x7821 + lo - 0x9f + (hi - 0xf0) * 0x200);
8434: }
8435: }
8436: hi = (hi >= 0xe0) ? hi - 0x40 : hi;
8437: lo = (lo >= 0x80) ? lo - 0x01 : lo;
8438: hi = ((lo >= 0x9e) ? 1 : 0) + (hi - 0x81) * 2 + 0x21;
8439: lo = ((lo >= 0x9e) ? lo - 0x9e : lo - 0x40) + 0x21;
8440:
8441: return((hi << 8) + lo);
8442: }
8443:
1.1.1.38 root 8444: // AX�e�N�j�J�����t�@�����X�K�C�h 1989
8445: // �t�^10 ���{��g��PRINTER DRIVER NIOS�T�d�l
8446: // 6. �R���g���[���R�[�h�̉��
1.1.1.37 root 8447:
8448: void pcbios_printer_out(int c, UINT8 data)
8449: {
8450: if(pio[c].conv_mode) {
8451: if(pio[c].sjis_hi != 0) {
8452: if(!pio[c].jis_mode) {
8453: printer_out(c, 0x1c);
8454: printer_out(c, 0x26);
8455: pio[c].jis_mode = true;
8456: }
8457: UINT16 jis = pcbios_printer_sjis2jis((pio[c].sjis_hi << 8) | data);
8458: printer_out(c, jis >> 8);
8459: printer_out(c, jis & 0xff);
8460: pio[c].sjis_hi = 0;
8461: } else if(pio[c].esc_buf[0] == 0x1b) {
8462: printer_out(c, data);
8463: if(pio[c].esc_len < sizeof(pio[c].esc_buf)) {
8464: pio[c].esc_buf[pio[c].esc_len] = data;
8465: }
8466: pio[c].esc_len++;
8467:
8468: switch(pio[c].esc_buf[1]) {
1.1.1.38 root 8469: case 0x33: // 1Bh 33h XX
8470: case 0x4a: // 1Bh 4Ah XX
8471: case 0x4e: // 1Bh 4Eh XX
8472: case 0x51: // 1Bh 51h XX
8473: case 0x55: // 1Bh 55h XX
8474: case 0x6c: // 1Bh 6Ch XX
8475: case 0x71: // 1Bh 71h XX
8476: case 0x72: // 1Bh 72h XX
1.1.1.37 root 8477: if(pio[c].esc_len == 3) {
8478: pio[c].esc_buf[0] = 0x00;
8479: }
8480: break;
1.1.1.38 root 8481: case 0x24: // 1Bh 24h XX XX
8482: case 0x5c: // 1Bh 5Ch XX XX
1.1.1.37 root 8483: if(pio[c].esc_len == 4) {
8484: pio[c].esc_buf[0] = 0x00;
8485: }
8486: break;
1.1.1.38 root 8487: case 0x2a: // 1Bh 2Ah XX XX XX data
1.1.1.37 root 8488: if(pio[c].esc_len >= 3) {
8489: switch(pio[c].esc_buf[2]) {
8490: case 0: case 1: case 2: case 3: case 4: case 6:
8491: if(pio[c].esc_len >= 5 && pio[c].esc_len == 5 + (pio[c].esc_buf[3] + pio[c].esc_buf[4] * 256) * 1) {
8492: pio[c].esc_buf[0] = 0x00;
8493: }
8494: break;
8495: case 32: case 33: case 38: case 39: case 40:
8496: if(pio[c].esc_len >= 5 && pio[c].esc_len == 5 + (pio[c].esc_buf[3] + pio[c].esc_buf[4] * 256) * 3) {
8497: pio[c].esc_buf[0] = 0x00;
8498: }
8499: break;
1.1.1.38 root 8500: case 71: case 72: case 73:
8501: if(pio[c].esc_len >= 5 && pio[c].esc_len == 5 + (pio[c].esc_buf[3] + pio[c].esc_buf[4] * 256) * 6) {
8502: pio[c].esc_buf[0] = 0x00;
8503: }
8504: break;
1.1.1.37 root 8505: default:
8506: pio[c].esc_buf[0] = 0x00;
8507: break;
8508: }
8509: }
8510: break;
1.1.1.38 root 8511: case 0x40: // 1Bh 40h
1.1.1.37 root 8512: if(pio[c].jis_mode) {
8513: printer_out(c, 0x1c);
8514: printer_out(c, 0x2e);
8515: pio[c].jis_mode = false;
8516: }
8517: pio[c].esc_buf[0] = 0x00;
8518: break;
1.1.1.38 root 8519: case 0x42: // 1Bh 42h data 00h
8520: case 0x44: // 1Bh 44h data 00h
1.1.1.37 root 8521: if(pio[c].esc_len >= 3 && data == 0) {
8522: pio[c].esc_buf[0] = 0x00;
8523: }
8524: break;
1.1.1.38 root 8525: case 0x43: // 1Bh 43h (00h) XX
1.1.1.37 root 8526: if(pio[c].esc_len >= 3 && data != 0) {
8527: pio[c].esc_buf[0] = 0x00;
8528: }
8529: break;
1.1.1.38 root 8530: default: // 1Bh XX
1.1.1.37 root 8531: pio[c].esc_buf[0] = 0x00;
8532: break;
8533: }
8534: } else if(pio[c].esc_buf[0] == 0x1c) {
8535: printer_out(c, data);
8536: if(pio[c].esc_len < sizeof(pio[c].esc_buf)) {
8537: pio[c].esc_buf[pio[c].esc_len] = data;
8538: }
8539: pio[c].esc_len++;
8540:
8541: switch(pio[c].esc_buf[1]) {
1.1.1.38 root 8542: case 0x21: // 1Ch 21h XX
8543: case 0x2d: // 1Ch 2Dh XX
8544: case 0x57: // 1Ch 57h XX
8545: case 0x6b: // 1Ch 6Bh XX
8546: case 0x72: // 1Ch 72h XX
8547: case 0x78: // 1Ch 78h XX
1.1.1.37 root 8548: if(pio[c].esc_len == 3) {
8549: pio[c].esc_buf[0] = 0x00;
8550: }
8551: break;
1.1.1.38 root 8552: case 0x26: // 1Ch 26h
1.1.1.37 root 8553: pio[c].jis_mode = true;
8554: pio[c].esc_buf[0] = 0x00;
8555: break;
1.1.1.38 root 8556: case 0x2e: // 1Ch 2Eh
1.1.1.37 root 8557: pio[c].jis_mode = false;
8558: pio[c].esc_buf[0] = 0x00;
8559: break;
1.1.1.38 root 8560: case 0x32: // 1Ch 32h XX XX data
1.1.1.37 root 8561: if(pio[c].esc_len == 76) {
8562: pio[c].esc_buf[0] = 0x00;
8563: }
8564: break;
1.1.1.38 root 8565: case 0x44: // 1Bh 44h data 00h
1.1.1.37 root 8566: if(pio[c].esc_len == 6) {
8567: pio[c].esc_buf[0] = 0x00;
8568: }
8569: break;
1.1.1.38 root 8570: case 0x53: // 1Ch 53h XX XX
8571: case 0x54: // 1Ch 54h XX XX
1.1.1.37 root 8572: if(pio[c].esc_len == 4) {
8573: pio[c].esc_buf[0] = 0x00;
8574: }
8575: break;
1.1.1.38 root 8576: default: // 1Ch XX
1.1.1.37 root 8577: pio[c].esc_buf[0] = 0x00;
8578: break;
8579: }
8580: } else if(data == 0x1b || data == 0x1c) {
8581: printer_out(c, data);
8582: pio[c].esc_buf[0] = data;
8583: pio[c].esc_len = 1;
8584: } else if((data >= 0x80 && data <= 0x9f) || (data >= 0xe0 && data <= 0xff)) {
8585: pio[c].sjis_hi = data;
8586: } else {
8587: if(pio[c].jis_mode) {
8588: printer_out(c, 0x1c);
8589: printer_out(c, 0x2e);
8590: pio[c].jis_mode = false;
8591: }
8592: printer_out(c, data);
8593: }
8594: } else {
8595: if(pio[c].jis_mode) {
8596: printer_out(c, 0x1c);
8597: printer_out(c, 0x2e);
8598: pio[c].jis_mode = false;
8599: }
8600: printer_out(c, data);
8601: }
8602: }
8603:
8604: inline void pcbios_int_17h_00h()
8605: {
8606: if(REG16(DX) < 3) {
8607: pcbios_printer_out(REG16(DX), REG8(AL));
8608: REG8(AH) = 0xd0;
8609: }
8610: }
8611:
8612: inline void pcbios_int_17h_01h()
8613: {
8614: if(REG16(DX) < 3) {
8615: REG8(AH) = 0xd0;
8616: }
8617: }
8618:
8619: inline void pcbios_int_17h_02h()
8620: {
8621: if(REG16(DX) < 3) {
8622: REG8(AH) = 0xd0;
8623: }
8624: }
8625:
8626: inline void pcbios_int_17h_03h()
8627: {
8628: switch(REG8(AL)) {
8629: case 0x00:
8630: if(REG16(DX) < 3) {
8631: if(pio[REG16(DX)].jis_mode) {
8632: printer_out(REG16(DX), 0x1c);
8633: printer_out(REG16(DX), 0x2e);
8634: pio[REG16(DX)].jis_mode = false;
8635: }
8636: for(UINT16 i = 0; i < REG16(CX); i++) {
8637: printer_out(REG16(DX), mem[SREG_BASE(ES) + REG16(BX) + i]);
8638: }
8639: REG16(CX) = 0x0000;
8640: REG8(AH) = 0xd0;
8641: }
8642: break;
8643: default:
8644: 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));
8645: break;
8646: }
8647: }
8648:
8649: inline void pcbios_int_17h_50h()
8650: {
8651: switch(REG8(AL)) {
8652: case 0x00:
8653: if(REG16(DX) < 3) {
8654: if(REG16(BX) = 0x0001) {
8655: pio[REG16(DX)].conv_mode = false;
8656: REG8(AL) = 0x00;
8657: } else if(REG16(BX) = 0x0051) {
8658: pio[REG16(DX)].conv_mode = true;
8659: REG8(AL) = 0x00;
8660: } else {
8661: REG8(AL) = 0x01;
8662: }
8663: } else {
8664: REG8(AL) = 0x02;
8665: }
8666: break;
8667: case 0x01:
8668: if(REG16(DX) < 3) {
8669: if(pio[REG16(DX)].conv_mode) {
8670: REG16(BX) = 0x0051;
8671: } else {
8672: REG16(BX) = 0x0001;
8673: }
8674: REG8(AL) = 0x00;
8675: } else {
8676: REG8(AL) = 0x02;
8677: }
8678: break;
8679: default:
8680: 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));
8681: break;
8682: }
8683: }
8684:
8685: inline void pcbios_int_17h_51h()
8686: {
8687: if(REG8(DH) >= 0x21 && REG8(DH) <= 0x7e && REG8(DL) >= 0x21 && REG8(DL) <= 0x7e) {
8688: REG16(DX) = pcbios_printer_jis2sjis(REG16(DX));
8689: } else {
8690: REG16(DX) = 0x0000;
8691: }
8692: }
8693:
8694: inline void pcbios_int_17h_52h()
8695: {
8696: if(((REG8(DH) >= 0x81 && REG8(DH) <= 0x9f) || (REG8(DH) >= 0xe0 && REG8(DH) <= 0xfc)) && (REG8(DL) >= 0x40 && REG8(DL) <= 0xfc && REG8(DL) != 0x7f)) {
8697: REG16(DX) = pcbios_printer_sjis2jis(REG16(DX));
8698: } else {
8699: REG16(DX) = 0x0000;
8700: }
8701: }
8702:
8703: inline void pcbios_int_17h_84h()
8704: {
8705: if(REG16(DX) < 3) {
8706: if(pio[REG16(DX)].jis_mode) {
8707: printer_out(REG16(DX), 0x1c);
8708: printer_out(REG16(DX), 0x2e);
8709: pio[REG16(DX)].jis_mode = false;
8710: }
8711: printer_out(REG16(DX), REG8(AL));
8712: REG8(AH) = 0xd0;
8713: }
8714: }
8715:
8716: inline void pcbios_int_17h_85h()
8717: {
8718: pio[0].conv_mode = (REG8(AL) == 0x00);
8719: }
8720:
1.1 root 8721: inline void pcbios_int_1ah_00h()
8722: {
1.1.1.19 root 8723: pcbios_update_daily_timer_counter(timeGetTime());
8724: REG16(CX) = *(UINT16 *)(mem + 0x46e);
8725: REG16(DX) = *(UINT16 *)(mem + 0x46c);
8726: REG8(AL) = mem[0x470];
8727: mem[0x470] = 0;
1.1 root 8728: }
8729:
8730: inline int to_bcd(int t)
8731: {
8732: int u = (t % 100) / 10;
8733: return (u << 4) | (t % 10);
8734: }
8735:
8736: inline void pcbios_int_1ah_02h()
8737: {
8738: SYSTEMTIME time;
8739:
8740: GetLocalTime(&time);
8741: REG8(CH) = to_bcd(time.wHour);
8742: REG8(CL) = to_bcd(time.wMinute);
8743: REG8(DH) = to_bcd(time.wSecond);
8744: REG8(DL) = 0x00;
8745: }
8746:
8747: inline void pcbios_int_1ah_04h()
8748: {
8749: SYSTEMTIME time;
8750:
8751: GetLocalTime(&time);
8752: REG8(CH) = to_bcd(time.wYear / 100);
8753: REG8(CL) = to_bcd(time.wYear);
8754: REG8(DH) = to_bcd(time.wMonth);
8755: REG8(DL) = to_bcd(time.wDay);
8756: }
8757:
8758: inline void pcbios_int_1ah_0ah()
8759: {
8760: SYSTEMTIME time;
8761: FILETIME file_time;
8762: WORD dos_date, dos_time;
8763:
8764: GetLocalTime(&time);
8765: SystemTimeToFileTime(&time, &file_time);
8766: FileTimeToDosDateTime(&file_time, &dos_date, &dos_time);
8767: REG16(CX) = dos_date;
8768: }
8769:
8770: // msdos system call
8771:
1.1.1.43 root 8772: inline void msdos_int_21h_56h(int lfn);
8773:
1.1 root 8774: inline void msdos_int_21h_00h()
8775: {
1.1.1.3 root 8776: msdos_process_terminate(SREG(CS), retval, 1);
1.1 root 8777: }
8778:
1.1.1.35 root 8779: DWORD WINAPI msdos_int_21h_01h_thread(LPVOID)
1.1 root 8780: {
8781: REG8(AL) = msdos_getche();
1.1.1.33 root 8782: ctrl_break_detected = ctrl_break_pressed;
1.1.1.26 root 8783:
1.1.1.35 root 8784: #ifdef USE_SERVICE_THREAD
8785: service_exit = true;
8786: #endif
8787: return(0);
8788: }
8789:
8790: inline void msdos_int_21h_01h()
8791: {
8792: #ifdef USE_SERVICE_THREAD
8793: start_service_loop(msdos_int_21h_01h_thread);
8794: #else
8795: msdos_int_21h_01h_thread(NULL);
8796: REQUEST_HARDWRE_UPDATE();
8797: #endif
1.1 root 8798: }
8799:
8800: inline void msdos_int_21h_02h()
8801: {
1.1.1.33 root 8802: UINT8 data = REG8(DL);
8803: msdos_putch(data);
8804: REG8(AL) = data;
8805: ctrl_break_detected = ctrl_break_pressed;
1.1 root 8806: }
8807:
8808: inline void msdos_int_21h_03h()
8809: {
8810: REG8(AL) = msdos_aux_in();
8811: }
8812:
8813: inline void msdos_int_21h_04h()
8814: {
8815: msdos_aux_out(REG8(DL));
8816: }
8817:
8818: inline void msdos_int_21h_05h()
8819: {
8820: msdos_prn_out(REG8(DL));
8821: }
8822:
8823: inline void msdos_int_21h_06h()
8824: {
8825: if(REG8(DL) == 0xff) {
8826: if(msdos_kbhit()) {
8827: REG8(AL) = msdos_getch();
1.1.1.3 root 8828: #if defined(HAS_I386)
8829: m_ZF = 0;
8830: #else
8831: m_ZeroVal = 1;
8832: #endif
1.1 root 8833: } else {
8834: REG8(AL) = 0;
1.1.1.3 root 8835: #if defined(HAS_I386)
8836: m_ZF = 1;
8837: #else
8838: m_ZeroVal = 0;
8839: #endif
1.1.1.14 root 8840: maybe_idle();
1.1 root 8841: }
8842: } else {
1.1.1.33 root 8843: UINT8 data = REG8(DL);
8844: msdos_putch(data);
8845: REG8(AL) = data;
1.1 root 8846: }
8847: }
8848:
1.1.1.35 root 8849: DWORD WINAPI msdos_int_21h_07h_thread(LPVOID)
1.1 root 8850: {
8851: REG8(AL) = msdos_getch();
1.1.1.26 root 8852:
1.1.1.35 root 8853: #ifdef USE_SERVICE_THREAD
8854: service_exit = true;
8855: #endif
8856: return(0);
1.1 root 8857: }
8858:
1.1.1.35 root 8859: inline void msdos_int_21h_07h()
8860: {
8861: #ifdef USE_SERVICE_THREAD
8862: start_service_loop(msdos_int_21h_07h_thread);
8863: #else
8864: msdos_int_21h_07h_thread(NULL);
8865: REQUEST_HARDWRE_UPDATE();
8866: #endif
8867: }
8868:
8869: DWORD WINAPI msdos_int_21h_08h_thread(LPVOID)
1.1 root 8870: {
8871: REG8(AL) = msdos_getch();
1.1.1.33 root 8872: ctrl_break_detected = ctrl_break_pressed;
1.1.1.26 root 8873:
1.1.1.35 root 8874: #ifdef USE_SERVICE_THREAD
8875: service_exit = true;
8876: #endif
8877: return(0);
8878: }
8879:
8880: inline void msdos_int_21h_08h()
8881: {
8882: #ifdef USE_SERVICE_THREAD
8883: start_service_loop(msdos_int_21h_08h_thread);
8884: #else
8885: msdos_int_21h_08h_thread(NULL);
8886: REQUEST_HARDWRE_UPDATE();
8887: #endif
1.1 root 8888: }
8889:
8890: inline void msdos_int_21h_09h()
8891: {
1.1.1.21 root 8892: msdos_stdio_reopen();
8893:
1.1.1.20 root 8894: process_t *process = msdos_process_info_get(current_psp);
8895: int fd = msdos_psp_get_file_table(1, current_psp);
8896:
1.1.1.14 root 8897: char *str = (char *)(mem + SREG_BASE(DS) + REG16(DX));
8898: int len = 0;
1.1 root 8899:
1.1.1.14 root 8900: while(str[len] != '$' && len < 0x10000) {
8901: len++;
8902: }
1.1.1.20 root 8903: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 8904: // stdout is redirected to file
1.1.1.20 root 8905: msdos_write(fd, str, len);
1.1 root 8906: } else {
8907: for(int i = 0; i < len; i++) {
1.1.1.14 root 8908: msdos_putch(str[i]);
1.1 root 8909: }
8910: }
1.1.1.33 root 8911: REG8(AL) = '$';
8912: ctrl_break_detected = ctrl_break_pressed;
1.1 root 8913: }
8914:
1.1.1.35 root 8915: DWORD WINAPI msdos_int_21h_0ah_thread(LPVOID)
1.1 root 8916: {
1.1.1.3 root 8917: int ofs = SREG_BASE(DS) + REG16(DX);
1.1 root 8918: int max = mem[ofs] - 1;
8919: UINT8 *buf = mem + ofs + 2;
8920: int chr, p = 0;
8921:
8922: while((chr = msdos_getch()) != 0x0d) {
1.1.1.33 root 8923: if((ctrl_break_checking && ctrl_break_pressed) || ctrl_c_pressed) {
1.1.1.26 root 8924: p = 0;
1.1.1.33 root 8925: msdos_putch(0x03);
8926: msdos_putch(0x0d);
8927: msdos_putch(0x0a);
1.1.1.26 root 8928: break;
1.1.1.33 root 8929: } else if(ctrl_break_pressed) {
8930: // skip this byte
1.1.1.26 root 8931: } else if(chr == 0x00) {
1.1 root 8932: // skip 2nd byte
8933: msdos_getch();
8934: } else if(chr == 0x08) {
8935: // back space
8936: if(p > 0) {
8937: p--;
1.1.1.20 root 8938: if(msdos_ctrl_code_check(buf[p])) {
1.1.1.34 root 8939: msdos_putch(0x08);
8940: msdos_putch(0x08);
8941: msdos_putch(0x20);
8942: msdos_putch(0x20);
8943: msdos_putch(0x08);
8944: msdos_putch(0x08);
1.1.1.36 root 8945: } else if(p > 0 && msdos_kanji_2nd_byte_check(buf, p)) {
8946: p--;
8947: msdos_putch(0x08);
8948: msdos_putch(0x08);
8949: msdos_putch(0x20);
8950: msdos_putch(0x20);
8951: msdos_putch(0x08);
8952: msdos_putch(0x08);
1.1.1.34 root 8953: } else {
8954: msdos_putch(0x08);
8955: msdos_putch(0x20);
8956: msdos_putch(0x08);
8957: }
8958: }
8959: } else if(chr == 0x1b) {
8960: // escape
8961: while(p > 0) {
8962: p--;
8963: if(msdos_ctrl_code_check(buf[p])) {
8964: msdos_putch(0x08);
8965: msdos_putch(0x08);
8966: msdos_putch(0x20);
8967: msdos_putch(0x20);
8968: msdos_putch(0x08);
8969: msdos_putch(0x08);
1.1.1.20 root 8970: } else {
1.1.1.34 root 8971: msdos_putch(0x08);
8972: msdos_putch(0x20);
8973: msdos_putch(0x08);
1.1.1.20 root 8974: }
1.1 root 8975: }
8976: } else if(p < max) {
8977: buf[p++] = chr;
8978: msdos_putch(chr);
8979: }
8980: }
8981: buf[p] = 0x0d;
8982: mem[ofs + 1] = p;
1.1.1.33 root 8983: ctrl_break_detected = ctrl_break_pressed;
1.1.1.26 root 8984:
1.1.1.35 root 8985: #ifdef USE_SERVICE_THREAD
8986: service_exit = true;
8987: #endif
8988: return(0);
8989: }
8990:
8991: inline void msdos_int_21h_0ah()
8992: {
8993: if(mem[SREG_BASE(DS) + REG16(DX)] != 0x00) {
8994: #ifdef USE_SERVICE_THREAD
8995: start_service_loop(msdos_int_21h_0ah_thread);
8996: #else
8997: msdos_int_21h_0ah_thread(NULL);
8998: REQUEST_HARDWRE_UPDATE();
8999: #endif
9000: }
1.1 root 9001: }
9002:
9003: inline void msdos_int_21h_0bh()
9004: {
9005: if(msdos_kbhit()) {
9006: REG8(AL) = 0xff;
9007: } else {
9008: REG8(AL) = 0x00;
1.1.1.14 root 9009: maybe_idle();
1.1 root 9010: }
1.1.1.33 root 9011: ctrl_break_detected = ctrl_break_pressed;
1.1 root 9012: }
9013:
9014: inline void msdos_int_21h_0ch()
9015: {
9016: // clear key buffer
1.1.1.21 root 9017: msdos_stdio_reopen();
9018:
1.1.1.20 root 9019: process_t *process = msdos_process_info_get(current_psp);
9020: int fd = msdos_psp_get_file_table(0, current_psp);
9021:
9022: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 9023: // stdin is redirected to file
9024: } else {
9025: while(msdos_kbhit()) {
9026: msdos_getch();
9027: }
9028: }
9029:
9030: switch(REG8(AL)) {
9031: case 0x01:
9032: msdos_int_21h_01h();
9033: break;
9034: case 0x06:
9035: msdos_int_21h_06h();
9036: break;
9037: case 0x07:
9038: msdos_int_21h_07h();
9039: break;
9040: case 0x08:
9041: msdos_int_21h_08h();
9042: break;
9043: case 0x0a:
9044: msdos_int_21h_0ah();
9045: break;
9046: default:
1.1.1.22 root 9047: // 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));
9048: // REG16(AX) = 0x01;
9049: // m_CF = 1;
1.1 root 9050: break;
9051: }
9052: }
9053:
9054: inline void msdos_int_21h_0dh()
9055: {
9056: }
9057:
9058: inline void msdos_int_21h_0eh()
9059: {
9060: if(REG8(DL) < 26) {
9061: _chdrive(REG8(DL) + 1);
9062: msdos_cds_update(REG8(DL));
1.1.1.23 root 9063: msdos_sda_update(current_psp);
1.1 root 9064: }
9065: REG8(AL) = 26; // zdrive
9066: }
9067:
1.1.1.14 root 9068: inline void msdos_int_21h_0fh()
9069: {
9070: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9071: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
1.1.1.45! root 9072: const char *path = msdos_fcb_path(fcb);
1.1.1.14 root 9073: 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 9074:
1.1.1.14 root 9075: if(hFile == INVALID_HANDLE_VALUE) {
9076: REG8(AL) = 0xff;
9077: } else {
9078: REG8(AL) = 0;
9079: fcb->current_block = 0;
9080: fcb->record_size = 128;
9081: fcb->file_size = GetFileSize(hFile, NULL);
9082: fcb->handle = hFile;
9083: fcb->cur_record = 0;
9084: }
9085: }
9086:
9087: inline void msdos_int_21h_10h()
9088: {
9089: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9090: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9091:
9092: REG8(AL) = CloseHandle(fcb->handle) ? 0 : 0xff;
9093: }
9094:
1.1 root 9095: inline void msdos_int_21h_11h()
9096: {
1.1.1.3 root 9097: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9098: fcb_t *fcb = (fcb_t *)(mem + SREG_BASE(DS) + REG16(DX) + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 9099:
9100: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 9101: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9102: ext_fcb_t *ext_find = (ext_fcb_t *)(mem + dta_laddr);
9103: find_fcb_t *find = (find_fcb_t *)(mem + dta_laddr + (ext_fcb->flag == 0xff ? 7 : 0));
1.1.1.45! root 9104: const char *path = msdos_fcb_path(fcb);
1.1 root 9105: WIN32_FIND_DATA fd;
9106:
1.1.1.13 root 9107: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, dta_laddr);
9108: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
9109: FindClose(dtainfo->find_handle);
9110: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 9111: }
9112: strcpy(process->volume_label, msdos_volume_label(path));
1.1.1.14 root 9113: dtainfo->allowable_mask = (ext_fcb->flag == 0xff) ? ext_fcb->attribute : 0x20;
9114: bool label_only = (dtainfo->allowable_mask == 8);
1.1 root 9115:
1.1.1.14 root 9116: if((dtainfo->allowable_mask & 8) && !msdos_match_volume_label(path, msdos_short_volume_label(process->volume_label))) {
9117: dtainfo->allowable_mask &= ~8;
1.1 root 9118: }
1.1.1.14 root 9119: if(!label_only && (dtainfo->find_handle = FindFirstFile(path, &fd)) != INVALID_HANDLE_VALUE) {
9120: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 9121: !msdos_find_file_has_8dot3name(&fd)) {
9122: if(!FindNextFile(dtainfo->find_handle, &fd)) {
9123: FindClose(dtainfo->find_handle);
9124: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 9125: break;
9126: }
9127: }
9128: }
1.1.1.13 root 9129: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 9130: if(ext_fcb->flag == 0xff) {
9131: ext_find->flag = 0xff;
9132: memset(ext_find->reserved, 0, 5);
9133: ext_find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
9134: }
9135: find->drive = _getdrive();
1.1.1.13 root 9136: msdos_set_fcb_path((fcb_t *)find, msdos_short_name(&fd));
1.1 root 9137: find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
9138: find->nt_res = 0;
9139: msdos_find_file_conv_local_time(&fd);
9140: find->create_time_ms = 0;
9141: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
9142: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
9143: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
9144: find->cluster_hi = find->cluster_lo = 0;
9145: find->file_size = fd.nFileSizeLow;
9146: REG8(AL) = 0x00;
1.1.1.14 root 9147: } else if(dtainfo->allowable_mask & 8) {
1.1 root 9148: if(ext_fcb->flag == 0xff) {
9149: ext_find->flag = 0xff;
9150: memset(ext_find->reserved, 0, 5);
9151: ext_find->attribute = 8;
9152: }
9153: find->drive = _getdrive();
9154: msdos_set_fcb_path((fcb_t *)find, msdos_short_volume_label(process->volume_label));
9155: find->attribute = 8;
9156: find->nt_res = 0;
9157: msdos_find_file_conv_local_time(&fd);
9158: find->create_time_ms = 0;
9159: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
9160: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
9161: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
9162: find->cluster_hi = find->cluster_lo = 0;
9163: find->file_size = 0;
1.1.1.14 root 9164: dtainfo->allowable_mask &= ~8;
1.1 root 9165: REG8(AL) = 0x00;
9166: } else {
9167: REG8(AL) = 0xff;
9168: }
9169: }
9170:
9171: inline void msdos_int_21h_12h()
9172: {
1.1.1.3 root 9173: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
1.1.1.14 root 9174: // fcb_t *fcb = (fcb_t *)(mem + SREG_BASE(DS) + REG16(DX) + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 9175:
9176: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 9177: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9178: ext_fcb_t *ext_find = (ext_fcb_t *)(mem + dta_laddr);
9179: find_fcb_t *find = (find_fcb_t *)(mem + dta_laddr + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 9180: WIN32_FIND_DATA fd;
9181:
1.1.1.13 root 9182: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, dta_laddr);
9183: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
9184: if(FindNextFile(dtainfo->find_handle, &fd)) {
1.1.1.14 root 9185: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 9186: !msdos_find_file_has_8dot3name(&fd)) {
9187: if(!FindNextFile(dtainfo->find_handle, &fd)) {
9188: FindClose(dtainfo->find_handle);
9189: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 9190: break;
9191: }
9192: }
9193: } else {
1.1.1.13 root 9194: FindClose(dtainfo->find_handle);
9195: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 9196: }
9197: }
1.1.1.13 root 9198: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 9199: if(ext_fcb->flag == 0xff) {
9200: ext_find->flag = 0xff;
9201: memset(ext_find->reserved, 0, 5);
9202: ext_find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
9203: }
9204: find->drive = _getdrive();
1.1.1.13 root 9205: msdos_set_fcb_path((fcb_t *)find, msdos_short_name(&fd));
1.1 root 9206: find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
9207: find->nt_res = 0;
9208: msdos_find_file_conv_local_time(&fd);
9209: find->create_time_ms = 0;
9210: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
9211: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
9212: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
9213: find->cluster_hi = find->cluster_lo = 0;
9214: find->file_size = fd.nFileSizeLow;
9215: REG8(AL) = 0x00;
1.1.1.14 root 9216: } else if(dtainfo->allowable_mask & 8) {
1.1 root 9217: if(ext_fcb->flag == 0xff) {
9218: ext_find->flag = 0xff;
9219: memset(ext_find->reserved, 0, 5);
9220: ext_find->attribute = 8;
9221: }
9222: find->drive = _getdrive();
9223: msdos_set_fcb_path((fcb_t *)find, msdos_short_volume_label(process->volume_label));
9224: find->attribute = 8;
9225: find->nt_res = 0;
9226: msdos_find_file_conv_local_time(&fd);
9227: find->create_time_ms = 0;
9228: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
9229: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
9230: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
9231: find->cluster_hi = find->cluster_lo = 0;
9232: find->file_size = 0;
1.1.1.14 root 9233: dtainfo->allowable_mask &= ~8;
1.1 root 9234: REG8(AL) = 0x00;
9235: } else {
9236: REG8(AL) = 0xff;
9237: }
9238: }
9239:
9240: inline void msdos_int_21h_13h()
9241: {
1.1.1.3 root 9242: if(remove(msdos_fcb_path((fcb_t *)(mem + SREG_BASE(DS) + REG16(DX))))) {
1.1 root 9243: REG8(AL) = 0xff;
9244: } else {
9245: REG8(AL) = 0x00;
9246: }
9247: }
9248:
1.1.1.16 root 9249: inline void msdos_int_21h_14h()
9250: {
9251: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9252: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9253: process_t *process = msdos_process_info_get(current_psp);
9254: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9255: DWORD num = 0;
9256:
9257: memset(mem + dta_laddr, 0, fcb->record_size);
9258: if(!ReadFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL) || num == 0) {
9259: REG8(AL) = 1;
9260: } else {
9261: UINT32 position = fcb->current_block * fcb->record_size + fcb->cur_record + num;
9262: fcb->current_block = (position & 0xffffff) / fcb->record_size;
9263: fcb->cur_record = (position & 0xffffff) % fcb->record_size;
9264: REG8(AL) = (num == fcb->record_size) ? 0 : 3;
9265: }
9266: }
9267:
9268: inline void msdos_int_21h_15h()
1.1.1.14 root 9269: {
9270: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9271: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
1.1.1.16 root 9272: process_t *process = msdos_process_info_get(current_psp);
9273: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9274: DWORD num = 0;
1.1.1.14 root 9275:
1.1.1.16 root 9276: if(!WriteFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL) || num == 0) {
9277: REG8(AL) = 1;
9278: } else {
9279: fcb->file_size = GetFileSize(fcb->handle, NULL);
9280: UINT32 position = fcb->current_block * fcb->record_size + fcb->cur_record + num;
9281: fcb->current_block = (position & 0xffffff) / fcb->record_size;
9282: fcb->cur_record = (position & 0xffffff) % fcb->record_size;
9283: REG8(AL) = (num == fcb->record_size) ? 0 : 1;
9284: }
9285: }
9286:
9287: inline void msdos_int_21h_16h()
9288: {
9289: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9290: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
1.1.1.45! root 9291: const char *path = msdos_fcb_path(fcb);
1.1.1.14 root 9292: 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 9293:
1.1.1.14 root 9294: if(hFile == INVALID_HANDLE_VALUE) {
9295: REG8(AL) = 0xff;
9296: } else {
9297: REG8(AL) = 0;
9298: fcb->current_block = 0;
9299: fcb->record_size = 128;
9300: fcb->file_size = 0;
9301: fcb->handle = hFile;
9302: fcb->cur_record = 0;
9303: }
9304: }
9305:
1.1.1.16 root 9306: inline void msdos_int_21h_17h()
9307: {
9308: ext_fcb_t *ext_fcb_src = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9309: fcb_t *fcb_src = (fcb_t *)(ext_fcb_src + (ext_fcb_src->flag == 0xff ? 1 : 0));
1.1.1.45! root 9310: // const char *path_src = msdos_fcb_path(fcb_src);
! 9311: char path_src[MAX_PATH];
! 9312: strcpy(path_src, msdos_fcb_path(fcb_src));
! 9313:
1.1.1.16 root 9314: ext_fcb_t *ext_fcb_dst = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX) + 16);
9315: fcb_t *fcb_dst = (fcb_t *)(ext_fcb_dst + (ext_fcb_dst->flag == 0xff ? 1 : 0));
1.1.1.45! root 9316: // const char *path_dst = msdos_fcb_path(fcb_dst);
! 9317: char path_dst[MAX_PATH];
! 9318: strcpy(path_dst, msdos_fcb_path(fcb_dst));
1.1.1.16 root 9319:
9320: if(rename(path_src, path_dst)) {
9321: REG8(AL) = 0xff;
9322: } else {
9323: REG8(AL) = 0;
9324: }
9325: }
9326:
1.1 root 9327: inline void msdos_int_21h_18h()
9328: {
9329: REG8(AL) = 0x00;
9330: }
9331:
9332: inline void msdos_int_21h_19h()
9333: {
9334: REG8(AL) = _getdrive() - 1;
9335: }
9336:
9337: inline void msdos_int_21h_1ah()
9338: {
9339: process_t *process = msdos_process_info_get(current_psp);
9340:
9341: process->dta.w.l = REG16(DX);
1.1.1.3 root 9342: process->dta.w.h = SREG(DS);
1.1.1.23 root 9343: msdos_sda_update(current_psp);
1.1 root 9344: }
9345:
9346: inline void msdos_int_21h_1bh()
9347: {
9348: int drive_num = _getdrive() - 1;
9349: UINT16 seg, ofs;
9350:
9351: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
9352: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
9353: REG8(AL) = dpb->highest_sector_num + 1;
9354: REG16(CX) = dpb->bytes_per_sector;
9355: REG16(DX) = dpb->highest_cluster_num - 1;
1.1.1.3 root 9356: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(BX)) = dpb->media_type;
1.1 root 9357: } else {
9358: REG8(AL) = 0xff;
1.1.1.3 root 9359: m_CF = 1;
1.1 root 9360: }
9361:
9362: }
9363:
9364: inline void msdos_int_21h_1ch()
9365: {
1.1.1.41 root 9366: int drive_num = (REG8(DL) == 0) ? (_getdrive() - 1) : (REG8(DL) - 1);
1.1 root 9367: UINT16 seg, ofs;
9368:
9369: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
9370: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
9371: REG8(AL) = dpb->highest_sector_num + 1;
9372: REG16(CX) = dpb->bytes_per_sector;
9373: REG16(DX) = dpb->highest_cluster_num - 1;
1.1.1.3 root 9374: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(BX)) = dpb->media_type;
1.1 root 9375: } else {
9376: REG8(AL) = 0xff;
1.1.1.3 root 9377: m_CF = 1;
1.1 root 9378: }
9379:
9380: }
9381:
9382: inline void msdos_int_21h_1dh()
9383: {
9384: REG8(AL) = 0;
9385: }
9386:
9387: inline void msdos_int_21h_1eh()
9388: {
9389: REG8(AL) = 0;
9390: }
9391:
9392: inline void msdos_int_21h_1fh()
9393: {
9394: int drive_num = _getdrive() - 1;
9395: UINT16 seg, ofs;
9396:
9397: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
9398: REG8(AL) = 0;
1.1.1.3 root 9399: SREG(DS) = seg;
9400: i386_load_segment_descriptor(DS);
1.1 root 9401: REG16(BX) = ofs;
9402: } else {
9403: REG8(AL) = 0xff;
1.1.1.3 root 9404: m_CF = 1;
1.1 root 9405: }
9406: }
9407:
9408: inline void msdos_int_21h_20h()
9409: {
9410: REG8(AL) = 0;
9411: }
9412:
1.1.1.14 root 9413: inline void msdos_int_21h_21h()
9414: {
9415: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9416: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9417:
9418: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
9419: REG8(AL) = 1;
9420: } else {
9421: process_t *process = msdos_process_info_get(current_psp);
9422: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9423: memset(mem + dta_laddr, 0, fcb->record_size);
1.1.1.16 root 9424: DWORD num = 0;
1.1.1.14 root 9425: if(!ReadFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL) || num == 0) {
9426: REG8(AL) = 1;
9427: } else {
9428: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
9429: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
1.1.1.16 root 9430: REG8(AL) = (num == fcb->record_size) ? 0 : 3;
1.1.1.14 root 9431: }
9432: }
9433: }
9434:
9435: inline void msdos_int_21h_22h()
9436: {
9437: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9438: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9439:
9440: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
9441: REG8(AL) = 0xff;
9442: } else {
9443: process_t *process = msdos_process_info_get(current_psp);
9444: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
1.1.1.16 root 9445: DWORD num = 0;
1.1.1.14 root 9446: WriteFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL);
9447: fcb->file_size = GetFileSize(fcb->handle, NULL);
9448: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
9449: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
1.1.1.16 root 9450: REG8(AL) = (num == fcb->record_size) ? 0 : 1;
1.1.1.14 root 9451: }
9452: }
9453:
1.1.1.16 root 9454: inline void msdos_int_21h_23h()
9455: {
9456: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9457: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
1.1.1.45! root 9458: const char *path = msdos_fcb_path(fcb);
1.1.1.16 root 9459: HANDLE hFile = CreateFile(path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
9460:
9461: if(hFile == INVALID_HANDLE_VALUE) {
9462: REG8(AL) = 0xff;
9463: } else {
9464: UINT32 size = GetFileSize(hFile, NULL);
9465: fcb->rand_record = size / fcb->record_size + ((size % fcb->record_size) != 0);
9466: REG8(AL) = 0;
9467: }
9468: }
9469:
9470: inline void msdos_int_21h_24h()
9471: {
9472: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9473: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9474:
9475: fcb->rand_record = fcb->current_block * fcb->record_size + fcb->cur_record;
9476: }
9477:
1.1 root 9478: inline void msdos_int_21h_25h()
9479: {
9480: *(UINT16 *)(mem + 4 * REG8(AL) + 0) = REG16(DX);
1.1.1.3 root 9481: *(UINT16 *)(mem + 4 * REG8(AL) + 2) = SREG(DS);
1.1 root 9482: }
9483:
9484: inline void msdos_int_21h_26h()
9485: {
9486: psp_t *psp = (psp_t *)(mem + (REG16(DX) << 4));
9487:
9488: memcpy(mem + (REG16(DX) << 4), mem + (current_psp << 4), sizeof(psp_t));
9489: psp->first_mcb = REG16(DX) + 16;
9490: psp->int_22h.dw = *(UINT32 *)(mem + 4 * 0x22);
9491: psp->int_23h.dw = *(UINT32 *)(mem + 4 * 0x23);
9492: psp->int_24h.dw = *(UINT32 *)(mem + 4 * 0x24);
9493: psp->parent_psp = 0;
9494: }
9495:
1.1.1.16 root 9496: inline void msdos_int_21h_27h()
9497: {
9498: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9499: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9500:
9501: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
9502: REG8(AL) = 1;
9503: } else {
9504: process_t *process = msdos_process_info_get(current_psp);
9505: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9506: memset(mem + dta_laddr, 0, fcb->record_size * REG16(CX));
9507: DWORD num = 0;
9508: if(!ReadFile(fcb->handle, mem + dta_laddr, fcb->record_size * REG16(CX), &num, NULL) || num == 0) {
9509: REG8(AL) = 1;
9510: } else {
9511: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
9512: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
9513: REG8(AL) = (num == fcb->record_size) ? 0 : 3;
9514: REG16(CX) = num / fcb->record_size + ((num % fcb->record_size) != 0);
9515: }
9516: }
9517: }
9518:
9519: inline void msdos_int_21h_28h()
9520: {
9521: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9522: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9523:
9524: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
9525: REG8(AL) = 0xff;
9526: } else {
9527: process_t *process = msdos_process_info_get(current_psp);
9528: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9529: DWORD num = 0;
9530: WriteFile(fcb->handle, mem + dta_laddr, fcb->record_size * REG16(CX), &num, NULL);
9531: fcb->file_size = GetFileSize(fcb->handle, NULL);
9532: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
9533: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
9534: REG8(AL) = (num == fcb->record_size) ? 0 : 1;
9535: REG16(CX) = num / fcb->record_size + ((num % fcb->record_size) != 0);
9536: }
9537: }
9538:
1.1 root 9539: inline void msdos_int_21h_29h()
9540: {
1.1.1.20 root 9541: int ofs = 0;//SREG_BASE(DS) + REG16(SI);
9542: char buffer[1024], name[MAX_PATH], ext[MAX_PATH];
1.1 root 9543: UINT8 drv = 0;
9544: char sep_chars[] = ":.;,=+";
9545: char end_chars[] = "\\<>|/\"[]";
9546: char spc_chars[] = " \t";
9547:
1.1.1.20 root 9548: memcpy(buffer, mem + SREG_BASE(DS) + REG16(SI), 1023);
9549: buffer[1023] = 0;
9550: memset(name, 0x20, sizeof(name));
9551: memset(ext, 0x20, sizeof(ext));
9552:
1.1 root 9553: if(REG8(AL) & 1) {
1.1.1.20 root 9554: ofs += strspn((char *)(buffer + ofs), spc_chars);
9555: if(my_strchr(sep_chars, buffer[ofs]) && buffer[ofs] != '\0') {
1.1 root 9556: ofs++;
9557: }
9558: }
1.1.1.20 root 9559: ofs += strspn((char *)(buffer + ofs), spc_chars);
1.1 root 9560:
1.1.1.24 root 9561: if(buffer[ofs + 1] == ':') {
9562: if(buffer[ofs] >= 'a' && buffer[ofs] <= 'z') {
9563: drv = buffer[ofs] - 'a' + 1;
1.1.1.20 root 9564: ofs += 2;
1.1.1.24 root 9565: if(buffer[ofs] == '\\' || buffer[ofs] == '/') {
9566: ofs++;
9567: }
9568: } else if(buffer[ofs] >= 'A' && buffer[ofs] <= 'Z') {
9569: drv = buffer[ofs] - 'A' + 1;
1.1 root 9570: ofs += 2;
1.1.1.24 root 9571: if(buffer[ofs] == '\\' || buffer[ofs] == '/') {
9572: ofs++;
9573: }
1.1 root 9574: }
9575: }
1.1.1.20 root 9576: for(int i = 0, is_kanji = 0; i < MAX_PATH; i++) {
9577: UINT8 c = buffer[ofs];
9578: if(is_kanji) {
9579: is_kanji = 0;
9580: } else if(msdos_lead_byte_check(c)) {
9581: is_kanji = 1;
9582: } else if(c <= 0x20 || my_strchr(end_chars, c) || my_strchr(sep_chars, c)) {
1.1 root 9583: break;
9584: } else if(c >= 'a' && c <= 'z') {
9585: c -= 0x20;
9586: }
9587: ofs++;
9588: name[i] = c;
9589: }
1.1.1.20 root 9590: if(buffer[ofs] == '.') {
1.1 root 9591: ofs++;
1.1.1.20 root 9592: for(int i = 0, is_kanji = 0; i < MAX_PATH; i++) {
9593: UINT8 c = buffer[ofs];
9594: if(is_kanji) {
9595: is_kanji = 0;
9596: } else if(msdos_lead_byte_check(c)) {
9597: is_kanji = 1;
9598: } else if(c <= 0x20 || my_strchr(end_chars, c) || my_strchr(sep_chars, c)) {
1.1 root 9599: break;
9600: } else if(c >= 'a' && c <= 'z') {
9601: c -= 0x20;
9602: }
9603: ofs++;
9604: ext[i] = c;
9605: }
9606: }
1.1.1.20 root 9607: int si = REG16(SI) + ofs;
1.1.1.3 root 9608: int ds = SREG(DS);
1.1 root 9609: while(si > 0xffff) {
9610: si -= 0x10;
9611: ds++;
9612: }
9613: REG16(SI) = si;
1.1.1.3 root 9614: SREG(DS) = ds;
9615: i386_load_segment_descriptor(DS);
1.1 root 9616:
1.1.1.3 root 9617: UINT8 *fcb = mem + SREG_BASE(ES) + REG16(DI);
1.1.1.20 root 9618: if(!(REG8(AL) & 2) || drv != 0) {
9619: fcb[0] = drv;
9620: }
9621: if(!(REG8(AL) & 4) || name[0] != 0x20) {
9622: memcpy(fcb + 1, name, 8);
9623: }
9624: if(!(REG8(AL) & 8) || ext[0] != 0x20) {
9625: memcpy(fcb + 9, ext, 3);
9626: }
9627: for(int i = 1, found_star = 0; i < 1 + 8; i++) {
1.1 root 9628: if(fcb[i] == '*') {
9629: found_star = 1;
9630: }
9631: if(found_star) {
9632: fcb[i] = '?';
9633: }
9634: }
1.1.1.20 root 9635: for(int i = 9, found_star = 0; i < 9 + 3; i++) {
1.1 root 9636: if(fcb[i] == '*') {
9637: found_star = 1;
9638: }
9639: if(found_star) {
9640: fcb[i] = '?';
9641: }
9642: }
9643:
1.1.1.44 root 9644: if(drv == 0 || msdos_is_valid_drive(drv - 1)) {
1.1 root 9645: if(memchr(fcb + 1, '?', 8 + 3)) {
9646: REG8(AL) = 0x01;
1.1.1.20 root 9647: } else {
9648: REG8(AL) = 0x00;
1.1 root 9649: }
9650: } else {
9651: REG8(AL) = 0xff;
9652: }
9653: }
9654:
9655: inline void msdos_int_21h_2ah()
9656: {
9657: SYSTEMTIME sTime;
9658:
9659: GetLocalTime(&sTime);
9660: REG16(CX) = sTime.wYear;
9661: REG8(DH) = (UINT8)sTime.wMonth;
9662: REG8(DL) = (UINT8)sTime.wDay;
9663: REG8(AL) = (UINT8)sTime.wDayOfWeek;
9664: }
9665:
9666: inline void msdos_int_21h_2bh()
9667: {
1.1.1.14 root 9668: REG8(AL) = 0xff;
1.1 root 9669: }
9670:
9671: inline void msdos_int_21h_2ch()
9672: {
9673: SYSTEMTIME sTime;
9674:
9675: GetLocalTime(&sTime);
9676: REG8(CH) = (UINT8)sTime.wHour;
9677: REG8(CL) = (UINT8)sTime.wMinute;
9678: REG8(DH) = (UINT8)sTime.wSecond;
1.1.1.14 root 9679: REG8(DL) = (UINT8)sTime.wMilliseconds / 10;
1.1 root 9680: }
9681:
9682: inline void msdos_int_21h_2dh()
9683: {
9684: REG8(AL) = 0x00;
9685: }
9686:
9687: inline void msdos_int_21h_2eh()
9688: {
9689: process_t *process = msdos_process_info_get(current_psp);
9690:
9691: process->verify = REG8(AL);
9692: }
9693:
9694: inline void msdos_int_21h_2fh()
9695: {
9696: process_t *process = msdos_process_info_get(current_psp);
9697:
9698: REG16(BX) = process->dta.w.l;
1.1.1.3 root 9699: SREG(ES) = process->dta.w.h;
9700: i386_load_segment_descriptor(ES);
1.1 root 9701: }
9702:
9703: inline void msdos_int_21h_30h()
9704: {
9705: // Version Flag / OEM
1.1.1.27 root 9706: if(REG8(AL) == 0x01) {
1.1.1.29 root 9707: #ifdef SUPPORT_HMA
9708: REG16(BX) = 0x0000;
9709: #else
9710: REG16(BX) = 0x1000; // DOS is in HMA
9711: #endif
1.1 root 9712: } else {
1.1.1.27 root 9713: // NOTE: EXDEB invites BL shows the machine type (0=PC-98, 1=PC/AT, 2=FMR),
9714: // but this is not correct on Windows 98 SE
9715: // REG16(BX) = 0xff01; // OEM = Microsoft, PC/AT
9716: REG16(BX) = 0xff00; // OEM = Microsoft
1.1 root 9717: }
1.1.1.27 root 9718: REG16(CX) = 0x0000;
1.1.1.30 root 9719: REG8(AL) = dos_major_version; // 7
9720: REG8(AH) = dos_minor_version; // 10
1.1 root 9721: }
9722:
9723: inline void msdos_int_21h_31h()
9724: {
1.1.1.29 root 9725: try {
9726: msdos_mem_realloc(current_psp, REG16(DX), NULL);
9727: } catch(...) {
9728: // recover the broken mcb
9729: int mcb_seg = current_psp - 1;
9730: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1.1.33 root 9731:
1.1.1.29 root 9732: if(mcb_seg < (MEMORY_END >> 4)) {
1.1.1.33 root 9733: mcb->mz = 'M';
9734: mcb->paragraphs = (MEMORY_END >> 4) - mcb_seg - 2;
9735:
1.1.1.29 root 9736: if(((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked & 0x01) {
1.1.1.39 root 9737: msdos_mcb_create((MEMORY_END >> 4) - 1, 'M', PSP_SYSTEM, (UMB_TOP >> 4) - (MEMORY_END >> 4), "SC");
1.1.1.29 root 9738: } else {
1.1.1.39 root 9739: msdos_mcb_create((MEMORY_END >> 4) - 1, 'Z', PSP_SYSTEM, 0, "SC");
1.1.1.29 root 9740: }
9741: } else {
9742: mcb->mz = 'Z';
1.1.1.30 root 9743: mcb->paragraphs = (UMB_END >> 4) - mcb_seg - 1;
1.1.1.29 root 9744: }
9745: msdos_mem_realloc(current_psp, REG16(DX), NULL);
9746: }
1.1 root 9747: msdos_process_terminate(current_psp, REG8(AL) | 0x300, 0);
9748: }
9749:
9750: inline void msdos_int_21h_32h()
9751: {
9752: int drive_num = (REG8(DL) == 0) ? (_getdrive() - 1) : (REG8(DL) - 1);
9753: UINT16 seg, ofs;
9754:
9755: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
9756: REG8(AL) = 0;
1.1.1.3 root 9757: SREG(DS) = seg;
9758: i386_load_segment_descriptor(DS);
1.1 root 9759: REG16(BX) = ofs;
9760: } else {
9761: REG8(AL) = 0xff;
1.1.1.3 root 9762: m_CF = 1;
1.1 root 9763: }
9764: }
9765:
9766: inline void msdos_int_21h_33h()
9767: {
9768: char path[MAX_PATH];
9769:
9770: switch(REG8(AL)) {
9771: case 0x00:
1.1.1.33 root 9772: REG8(DL) = ctrl_break_checking;
1.1 root 9773: break;
9774: case 0x01:
1.1.1.33 root 9775: ctrl_break_checking = REG8(DL);
9776: break;
9777: case 0x02:
9778: {
9779: UINT8 old = ctrl_break_checking;
9780: ctrl_break_checking = REG8(DL);
9781: REG8(DL) = old;
9782: }
9783: break;
9784: case 0x03:
9785: case 0x04:
9786: // DOS 4.0+ - Unused
1.1 root 9787: break;
9788: case 0x05:
9789: GetSystemDirectory(path, MAX_PATH);
9790: if(path[0] >= 'a' && path[0] <= 'z') {
9791: REG8(DL) = path[0] - 'a' + 1;
9792: } else {
9793: REG8(DL) = path[0] - 'A' + 1;
9794: }
9795: break;
9796: case 0x06:
1.1.1.2 root 9797: // MS-DOS version (7.10)
1.1 root 9798: REG8(BL) = 7;
1.1.1.2 root 9799: REG8(BH) = 10;
1.1 root 9800: REG8(DL) = 0;
1.1.1.29 root 9801: #ifdef SUPPORT_HMA
9802: REG8(DH) = 0x00;
9803: #else
9804: REG8(DH) = 0x10; // DOS is in HMA
9805: #endif
1.1 root 9806: break;
1.1.1.6 root 9807: case 0x07:
9808: if(REG8(DL) == 0) {
9809: ((dos_info_t *)(mem + DOS_INFO_TOP))->dos_flag &= ~0x20;
9810: } else if(REG8(DL) == 1) {
9811: ((dos_info_t *)(mem + DOS_INFO_TOP))->dos_flag |= 0x20;
9812: }
9813: break;
1.1 root 9814: default:
1.1.1.22 root 9815: 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 9816: REG16(AX) = 0x01;
1.1.1.3 root 9817: m_CF = 1;
1.1 root 9818: break;
9819: }
9820: }
9821:
1.1.1.23 root 9822: inline void msdos_int_21h_34h()
9823: {
9824: SREG(ES) = SDA_TOP >> 4;
9825: i386_load_segment_descriptor(ES);
9826: REG16(BX) = offsetof(sda_t, indos_flag);;
9827: }
9828:
1.1 root 9829: inline void msdos_int_21h_35h()
9830: {
9831: REG16(BX) = *(UINT16 *)(mem + 4 * REG8(AL) + 0);
1.1.1.3 root 9832: SREG(ES) = *(UINT16 *)(mem + 4 * REG8(AL) + 2);
9833: i386_load_segment_descriptor(ES);
1.1 root 9834: }
9835:
9836: inline void msdos_int_21h_36h()
9837: {
9838: struct _diskfree_t df = {0};
9839:
9840: if(_getdiskfree(REG8(DL), &df) == 0) {
9841: REG16(AX) = (UINT16)df.sectors_per_cluster;
9842: REG16(CX) = (UINT16)df.bytes_per_sector;
1.1.1.13 root 9843: REG16(BX) = df.avail_clusters > 0xFFFF ? 0xFFFF : (UINT16)df.avail_clusters;
9844: REG16(DX) = df.total_clusters > 0xFFFF ? 0xFFFF : (UINT16)df.total_clusters;
1.1 root 9845: } else {
9846: REG16(AX) = 0xffff;
9847: }
9848: }
9849:
9850: inline void msdos_int_21h_37h()
9851: {
1.1.1.22 root 9852: static UINT8 dev_flag = 0xff;
1.1 root 9853:
9854: switch(REG8(AL)) {
9855: case 0x00:
1.1.1.22 root 9856: {
9857: process_t *process = msdos_process_info_get(current_psp);
9858: REG8(AL) = 0x00;
9859: REG8(DL) = process->switchar;
9860: }
1.1 root 9861: break;
9862: case 0x01:
1.1.1.22 root 9863: {
9864: process_t *process = msdos_process_info_get(current_psp);
9865: REG8(AL) = 0x00;
9866: process->switchar = REG8(DL);
1.1.1.23 root 9867: msdos_sda_update(current_psp);
1.1.1.22 root 9868: }
9869: break;
9870: case 0x02:
9871: REG8(DL) = dev_flag;
9872: break;
9873: case 0x03:
9874: dev_flag = REG8(DL);
9875: break;
9876: case 0xd0:
9877: case 0xd1:
9878: case 0xd2:
9879: case 0xd3:
9880: case 0xd4:
9881: case 0xd5:
9882: case 0xd6:
9883: case 0xd7:
9884: case 0xdc:
9885: case 0xdd:
9886: case 0xde:
9887: case 0xdf:
9888: // diet ???
9889: REG16(AX) = 1;
1.1 root 9890: break;
9891: default:
1.1.1.22 root 9892: 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 9893: REG16(AX) = 1;
9894: break;
9895: }
9896: }
9897:
1.1.1.42 root 9898: int get_country_info(country_info_t *ci, LCID locale)
1.1.1.17 root 9899: {
9900: char LCdata[80];
9901:
1.1.1.19 root 9902: ZeroMemory(ci, offsetof(country_info_t, reserved));
1.1.1.42 root 9903: GetLocaleInfo(locale, LOCALE_ICURRDIGITS, LCdata, sizeof(LCdata));
1.1.1.17 root 9904: ci->currency_dec_digits = atoi(LCdata);
1.1.1.42 root 9905: GetLocaleInfo(locale, LOCALE_ICURRENCY, LCdata, sizeof(LCdata));
1.1.1.17 root 9906: ci->currency_format = *LCdata - '0';
1.1.1.42 root 9907: GetLocaleInfo(locale, LOCALE_IDATE, LCdata, sizeof(LCdata));
1.1.1.17 root 9908: ci->date_format = *LCdata - '0';
1.1.1.42 root 9909: GetLocaleInfo(locale, LOCALE_SCURRENCY, LCdata, sizeof(LCdata));
1.1.1.17 root 9910: memcpy(&ci->currency_symbol, LCdata, 4);
1.1.1.42 root 9911: GetLocaleInfo(locale, LOCALE_SDATE, LCdata, sizeof(LCdata));
1.1.1.17 root 9912: *ci->date_sep = *LCdata;
1.1.1.42 root 9913: GetLocaleInfo(locale, LOCALE_SDECIMAL, LCdata, sizeof(LCdata));
1.1.1.17 root 9914: *ci->dec_sep = *LCdata;
1.1.1.42 root 9915: GetLocaleInfo(locale, LOCALE_SLIST, LCdata, sizeof(LCdata));
1.1.1.17 root 9916: *ci->list_sep = *LCdata;
1.1.1.42 root 9917: GetLocaleInfo(locale, LOCALE_STHOUSAND, LCdata, sizeof(LCdata));
1.1.1.17 root 9918: *ci->thou_sep = *LCdata;
1.1.1.42 root 9919: GetLocaleInfo(locale, LOCALE_STIME, LCdata, sizeof(LCdata));
1.1.1.17 root 9920: *ci->time_sep = *LCdata;
1.1.1.42 root 9921: GetLocaleInfo(locale, LOCALE_STIMEFORMAT, LCdata, sizeof(LCdata));
1.1.1.17 root 9922: if(strchr(LCdata, 'H') != NULL) {
9923: ci->time_format = 1;
9924: }
1.1.1.27 root 9925: ci->case_map.w.l = 0x000a; // dummy case map routine is at fffd:000a
1.1.1.24 root 9926: ci->case_map.w.h = 0xfffd;
1.1.1.42 root 9927: GetLocaleInfo(locale, LOCALE_ICOUNTRY, LCdata, sizeof(LCdata));
1.1.1.17 root 9928: return atoi(LCdata);
9929: }
9930:
1.1.1.42 root 9931: int get_country_info(country_info_t *ci, USHORT usPrimaryLanguage, USHORT usSubLanguage)
9932: {
9933: return get_country_info(ci, MAKELCID(MAKELANGID(usPrimaryLanguage, usSubLanguage), SORT_DEFAULT));
9934: }
9935:
9936: int get_country_info(country_info_t *ci)
9937: {
9938: return get_country_info(ci, LOCALE_USER_DEFAULT);
9939: }
9940:
1.1.1.43 root 9941: void set_country_info(country_info_t *ci, int size)
9942: {
9943: char LCdata[80];
9944:
9945: if(size >= 0x00 + 2) {
9946: memset(LCdata, 0, sizeof(LCdata));
9947: *LCdata = '0' + ci->date_format;
9948: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_IDATE, LCdata);
9949: }
9950: if(size >= 0x02 + 5) {
9951: memset(LCdata, 0, sizeof(LCdata));
9952: memcpy(LCdata, &ci->currency_symbol, 4);
9953: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SCURRENCY, LCdata);
9954: }
9955: if(size >= 0x07 + 2) {
9956: memset(LCdata, 0, sizeof(LCdata));
9957: *LCdata = *ci->thou_sep;
9958: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_STHOUSAND, LCdata);
9959: }
9960: if(size >= 0x09 + 2) {
9961: memset(LCdata, 0, sizeof(LCdata));
9962: *LCdata = *ci->dec_sep;
9963: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SDECIMAL, LCdata);
9964: }
9965: if(size >= 0x0b + 2) {
9966: memset(LCdata, 0, sizeof(LCdata));
9967: *LCdata = *ci->date_sep;
9968: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SDATE, LCdata);
9969: }
9970: if(size >= 0x0d + 2) {
9971: memset(LCdata, 0, sizeof(LCdata));
9972: *LCdata = *ci->time_sep;
9973: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_STIME, LCdata);
9974: }
9975: if(size >= 0x0f + 1) {
9976: memset(LCdata, 0, sizeof(LCdata));
9977: *LCdata = '0' + ci->currency_format;
9978: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_ICURRENCY, LCdata);
9979: }
9980: if(size >= 0x10 + 1) {
9981: sprintf(LCdata, "%d", ci->currency_dec_digits);
9982: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_ICURRDIGITS, LCdata);
9983: }
9984: if(size >= 0x11 + 1) {
9985: // FIXME: is time format always H/h:mm:ss ???
9986: if(ci->time_format & 1) {
9987: sprintf(LCdata, "H%cmm%css", *ci->time_sep, *ci->time_sep);
9988: } else {
9989: sprintf(LCdata, "h%cmm%css", *ci->time_sep, *ci->time_sep);
9990: }
9991: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_STIMEFORMAT, LCdata);
9992: }
9993: if(size >= 0x12 + 4) {
9994: // 12h DWORD address of case map routine
9995: // (FAR CALL, AL = character to map to upper case [>= 80h])
9996: }
9997: if(size >= 0x16 + 2) {
9998: memset(LCdata, 0, sizeof(LCdata));
9999: *LCdata = *ci->list_sep;
10000: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SLIST, LCdata);
10001: }
10002: }
10003:
1.1.1.42 root 10004: #ifndef SUBLANG_SWAHILI
10005: #define SUBLANG_SWAHILI 0x01
10006: #endif
10007: #ifndef SUBLANG_TSWANA_BOTSWANA
10008: #define SUBLANG_TSWANA_BOTSWANA 0x02
10009: #endif
10010: #ifndef SUBLANG_LITHUANIAN_LITHUANIA
10011: #define SUBLANG_LITHUANIAN_LITHUANIA 0x01
10012: #endif
10013: #ifndef LANG_BANGLA
10014: #define LANG_BANGLA 0x45
10015: #endif
10016: #ifndef SUBLANG_BANGLA_BANGLADESH
10017: #define SUBLANG_BANGLA_BANGLADESH 0x02
10018: #endif
10019:
10020: static const struct {
10021: int code;
10022: USHORT usPrimaryLanguage;
10023: USHORT usSubLanguage;
10024: } country_table[] = {
10025: {0x001, LANG_ENGLISH, SUBLANG_ENGLISH_US}, // United States
10026: {0x002, LANG_FRENCH, SUBLANG_FRENCH_CANADIAN}, // Canadian-French
10027: {0x004, LANG_ENGLISH, SUBLANG_ENGLISH_CAN}, // Canada (English)
10028: {0x007, LANG_RUSSIAN, SUBLANG_RUSSIAN_RUSSIA}, // Russia
10029: {0x014, LANG_ARABIC, SUBLANG_ARABIC_EGYPT}, // Egypt
10030: {0x01B, LANG_ZULU, SUBLANG_ZULU_SOUTH_AFRICA}, // South Africa
10031: // {0x01B, LANG_XHOSA, SUBLANG_XHOSA_SOUTH_AFRICA}, // South Africa
10032: // {0x01B, LANG_AFRIKAANS, SUBLANG_AFRIKAANS_SOUTH_AFRICA}, // South Africa
10033: // {0x01B, LANG_ENGLISH, SUBLANG_ENGLISH_SOUTH_AFRICA}, // South Africa
10034: // {0x01B, LANG_SOTHO, SUBLANG_SOTHO_NORTHERN_SOUTH_AFRICA}, // South Africa
10035: // {0x01B, LANG_TSWANA, SUBLANG_TSWANA_SOUTH_AFRICA}, // South Africa
10036: {0x01E, LANG_GREEK, SUBLANG_GREEK_GREECE}, // Greece
10037: {0x01F, LANG_DUTCH, SUBLANG_DUTCH}, // Netherlands
10038: // {0x01F, LANG_FRISIAN, SUBLANG_FRISIAN_NETHERLANDS}, // Netherlands
10039: {0x020, LANG_DUTCH, SUBLANG_DUTCH_BELGIAN}, // Belgium
10040: // {0x020, LANG_FRENCH, SUBLANG_FRENCH_BELGIAN}, // Belgium
10041: {0x021, LANG_FRENCH, SUBLANG_FRENCH}, // France
10042: {0x022, LANG_SPANISH, SUBLANG_SPANISH}, // Spain
10043: {0x023, LANG_BULGARIAN, SUBLANG_BULGARIAN_BULGARIA}, // Bulgaria???
10044: {0x024, LANG_HUNGARIAN, SUBLANG_HUNGARIAN_HUNGARY}, // Hungary (not supported by DR DOS 5.0)
10045: {0x027, LANG_ITALIAN, SUBLANG_ITALIAN}, // Italy / San Marino / Vatican City
10046: {0x028, LANG_ROMANIAN, SUBLANG_ROMANIAN_ROMANIA}, // Romania
10047: {0x029, LANG_GERMAN, SUBLANG_GERMAN_SWISS}, // Switzerland / Liechtenstein
10048: // {0x029, LANG_FRENCH, SUBLANG_FRENCH_SWISS}, // Switzerland / Liechtenstein
10049: // {0x029, LANG_ITALIAN, SUBLANG_ITALIAN_SWISS}, // Switzerland / Liechtenstein
10050: {0x02A, LANG_SLOVAK, SUBLANG_SLOVAK_SLOVAKIA}, // Czechoslovakia / Tjekia / Slovakia (not supported by DR DOS 5.0)
10051: {0x02B, LANG_GERMAN, SUBLANG_GERMAN_AUSTRIAN}, // Austria (DR DOS 5.0)
10052: {0x02C, LANG_ENGLISH, SUBLANG_ENGLISH_UK}, // United Kingdom
10053: {0x02D, LANG_DANISH, SUBLANG_DANISH_DENMARK}, // Denmark
10054: {0x02E, LANG_SWEDISH, SUBLANG_SWEDISH}, // Sweden
10055: // {0x02E, LANG_SAMI, SUBLANG_SAMI_NORTHERN_SWEDEN}, // Sweden
10056: // {0x02E, LANG_SAMI, SUBLANG_SAMI_LULE_SWEDEN}, // Sweden
10057: // {0x02E, LANG_SAMI, SUBLANG_SAMI_SOUTHERN_SWEDEN}, // Sweden
10058: {0x02F, LANG_NORWEGIAN, SUBLANG_NORWEGIAN_BOKMAL}, // Norway
10059: // {0x02F, LANG_NORWEGIAN, SUBLANG_NORWEGIAN_NYNORSK}, // Norway
10060: // {0x02F, LANG_SAMI, SUBLANG_SAMI_NORTHERN_NORWAY}, // Norway
10061: // {0x02F, LANG_SAMI, SUBLANG_SAMI_LULE_NORWAY}, // Norway
10062: // {0x02F, LANG_SAMI, SUBLANG_SAMI_SOUTHERN_NORWAY}, // Norway
10063: {0x030, LANG_POLISH, SUBLANG_POLISH_POLAND}, // Poland (not supported by DR DOS 5.0)
10064: {0x031, LANG_GERMAN, SUBLANG_GERMAN}, // Germany
10065: {0x033, LANG_SPANISH, SUBLANG_SPANISH_PERU}, // Peru
10066: // {0x033, LANG_QUECHUA, SUBLANG_QUECHUA_PERU}, // Peru
10067: {0x034, LANG_SPANISH, SUBLANG_SPANISH_MEXICAN}, // Mexico
10068: {0x035, LANG_SPANISH, SUBLANG_NEUTRAL}, // Cuba
10069: {0x036, LANG_SPANISH, SUBLANG_SPANISH_ARGENTINA}, // Argentina
10070: {0x037, LANG_PORTUGUESE, SUBLANG_PORTUGUESE_BRAZILIAN}, // Brazil (not supported by DR DOS 5.0)
10071: {0x038, LANG_SPANISH, SUBLANG_SPANISH_CHILE}, // Chile
10072: {0x039, LANG_SPANISH, SUBLANG_SPANISH_COLOMBIA}, // Columbia
10073: {0x03A, LANG_SPANISH, SUBLANG_SPANISH_VENEZUELA}, // Venezuela
10074: {0x03C, LANG_MALAY, SUBLANG_MALAY_MALAYSIA}, // Malaysia
10075: {0x03D, LANG_ENGLISH, SUBLANG_ENGLISH_AUS}, // International English / Australia
10076: {0x03E, LANG_INDONESIAN, SUBLANG_INDONESIAN_INDONESIA}, // Indonesia / East Timor
10077: {0x03F, LANG_ENGLISH, SUBLANG_ENGLISH_PHILIPPINES}, // Philippines
10078: {0x040, LANG_ENGLISH, SUBLANG_ENGLISH_NZ}, // New Zealand
10079: {0x041, LANG_CHINESE, SUBLANG_CHINESE_SINGAPORE}, // Singapore
10080: // {0x041, LANG_ENGLISH, SUBLANG_ENGLISH_SINGAPORE}, // Singapore
10081: {0x042, LANG_CHINESE_TRADITIONAL, SUBLANG_CHINESE_TRADITIONAL}, // Taiwan???
10082: {0x051, LANG_JAPANESE, SUBLANG_JAPANESE_JAPAN}, // Japan (DR DOS 5.0, MS-DOS 5.0+)
10083: {0x052, LANG_KOREAN, SUBLANG_KOREAN}, // South Korea (DR DOS 5.0)
10084: {0x054, LANG_VIETNAMESE, SUBLANG_VIETNAMESE_VIETNAM}, // Vietnam
10085: {0x056, LANG_CHINESE_SIMPLIFIED, SUBLANG_CHINESE_SIMPLIFIED}, // China (MS-DOS 5.0+)
10086: {0x058, LANG_CHINESE_TRADITIONAL, SUBLANG_CHINESE_TRADITIONAL}, // Taiwan (MS-DOS 5.0+)
10087: {0x05A, LANG_TURKISH, SUBLANG_TURKISH_TURKEY}, // Turkey (MS-DOS 5.0+)
10088: {0x05B, LANG_HINDI, SUBLANG_HINDI_INDIA}, // India
10089: {0x05C, LANG_URDU, SUBLANG_URDU_PAKISTAN}, // Pakistan
10090: {0x05D, LANG_PASHTO, SUBLANG_PASHTO_AFGHANISTAN}, // Afghanistan
10091: // {0x05D, LANG_DARI, SUBLANG_DARI_AFGHANISTAN}, // Afghanistan
10092: {0x05E, LANG_SINHALESE, SUBLANG_SINHALESE_SRI_LANKA}, // Sri Lanka
10093: // {0x05E, LANG_TAMIL, SUBLANG_TAMIL_SRI_LANKA}, // Sri Lanka
10094: {0x062, LANG_PERSIAN, SUBLANG_PERSIAN_IRAN}, // Iran
10095: {0x070, LANG_BELARUSIAN, SUBLANG_BELARUSIAN_BELARUS}, // Belarus
10096: {0x0C8, LANG_THAI, SUBLANG_THAI_THAILAND}, // Thailand
10097: {0x0D4, LANG_ARABIC, SUBLANG_ARABIC_MOROCCO}, // Morocco
10098: {0x0D5, LANG_ARABIC, SUBLANG_ARABIC_ALGERIA}, // Algeria
10099: {0x0D8, LANG_ARABIC, SUBLANG_ARABIC_TUNISIA}, // Tunisia
10100: {0x0DA, LANG_ARABIC, SUBLANG_ARABIC_LIBYA}, // Libya
10101: {0x0DD, LANG_WOLOF, SUBLANG_WOLOF_SENEGAL}, // Senegal
10102: // {0x0DD, LANG_PULAR, SUBLANG_PULAR_SENEGAL}, // Senegal
10103: {0x0EA, LANG_HAUSA, SUBLANG_HAUSA_NIGERIA_LATIN}, // Nigeria
10104: // {0x0EA, LANG_YORUBA, SUBLANG_YORUBA_NIGERIA}, // Nigeria
10105: // {0x0EA, LANG_IGBO, SUBLANG_IGBO_NIGERIA}, // Nigeria
10106: {0x0FB, LANG_AMHARIC, SUBLANG_AMHARIC_ETHIOPIA}, // Ethiopia
10107: // {0x0FB, LANG_TIGRINYA, SUBLANG_TIGRINYA_ETHIOPIA}, // Ethiopia
10108: {0x0FE, LANG_SWAHILI, SUBLANG_SWAHILI}, // Kenya
10109: {0x107, LANG_ENGLISH, SUBLANG_ENGLISH_ZIMBABWE}, // Zimbabwe
10110: {0x10B, LANG_TSWANA, SUBLANG_TSWANA_BOTSWANA}, // Botswana
10111: {0x12A, LANG_FAEROESE, SUBLANG_FAEROESE_FAROE_ISLANDS}, // Faroe Islands
10112: {0x12B, LANG_GREENLANDIC, SUBLANG_GREENLANDIC_GREENLAND}, // Greenland
10113: {0x15F, LANG_PORTUGUESE, SUBLANG_PORTUGUESE}, // Portugal
10114: {0x160, LANG_LUXEMBOURGISH, SUBLANG_LUXEMBOURGISH_LUXEMBOURG}, // Luxembourg
10115: // {0x160, LANG_GERMAN, SUBLANG_GERMAN_LUXEMBOURG}, // Luxembourg
10116: // {0x160, LANG_FRENCH, SUBLANG_FRENCH_LUXEMBOURG}, // Luxembourg
10117: {0x161, LANG_IRISH, SUBLANG_IRISH_IRELAND}, // Ireland
10118: // {0x161, LANG_ENGLISH, SUBLANG_ENGLISH_IRELAND}, // Ireland
10119: {0x162, LANG_ICELANDIC, SUBLANG_ICELANDIC_ICELAND}, // Iceland
10120: {0x163, LANG_ALBANIAN, SUBLANG_ALBANIAN_ALBANIA}, // Albania
10121: {0x164, LANG_MALTESE, SUBLANG_MALTESE_MALTA}, // Malta
10122: {0x166, LANG_FINNISH, SUBLANG_FINNISH_FINLAND}, // Finland
10123: // {0x166, LANG_SAMI, SUBLANG_SAMI_NORTHERN_FINLAND}, // Finland
10124: // {0x166, LANG_SAMI, SUBLANG_SAMI_SKOLT_FINLAND}, // Finland
10125: // {0x166, LANG_SAMI, SUBLANG_SAMI_INARI_FINLAND}, // Finland
10126: {0x167, LANG_BULGARIAN, SUBLANG_BULGARIAN_BULGARIA}, // Bulgaria
10127: {0x172, LANG_LITHUANIAN, SUBLANG_LITHUANIAN_LITHUANIA}, // Lithuania
10128: {0x173, LANG_LATVIAN, SUBLANG_LATVIAN_LATVIA}, // Latvia
10129: {0x174, LANG_ESTONIAN, SUBLANG_ESTONIAN_ESTONIA}, // Estonia
10130: {0x17D, LANG_SERBIAN, SUBLANG_SERBIAN_LATIN}, // Serbia / Montenegro
10131: {0x180, LANG_SERBIAN, SUBLANG_SERBIAN_CROATIA}, // Croatia???
10132: {0x181, LANG_SERBIAN, SUBLANG_SERBIAN_CROATIA}, // Croatia
10133: {0x182, LANG_SLOVENIAN, SUBLANG_SLOVENIAN_SLOVENIA}, // Slovenia
10134: {0x183, LANG_BOSNIAN, SUBLANG_BOSNIAN_BOSNIA_HERZEGOVINA_LATIN}, // Bosnia-Herzegovina (Latin)
10135: {0x184, LANG_BOSNIAN, SUBLANG_BOSNIAN_BOSNIA_HERZEGOVINA_CYRILLIC}, // Bosnia-Herzegovina (Cyrillic)
10136: {0x185, LANG_MACEDONIAN, SUBLANG_MACEDONIAN_MACEDONIA}, // FYR Macedonia
10137: {0x1A5, LANG_CZECH, SUBLANG_CZECH_CZECH_REPUBLIC}, // Czech Republic
10138: {0x1A6, LANG_SLOVAK, SUBLANG_SLOVAK_SLOVAKIA}, // Slovakia
10139: {0x1F5, LANG_ENGLISH, SUBLANG_ENGLISH_BELIZE}, // Belize
10140: {0x1F6, LANG_SPANISH, SUBLANG_SPANISH_GUATEMALA}, // Guatemala
10141: {0x1F7, LANG_SPANISH, SUBLANG_SPANISH_EL_SALVADOR}, // El Salvador
10142: {0x1F8, LANG_SPANISH, SUBLANG_SPANISH_HONDURAS}, // Honduras
10143: {0x1F9, LANG_SPANISH, SUBLANG_SPANISH_NICARAGUA}, // Nicraragua
10144: {0x1FA, LANG_SPANISH, SUBLANG_SPANISH_COSTA_RICA}, // Costa Rica
10145: {0x1FB, LANG_SPANISH, SUBLANG_SPANISH_PANAMA}, // Panama
10146: {0x24F, LANG_SPANISH, SUBLANG_SPANISH_BOLIVIA}, // Bolivia
1.1.1.43 root 10147: // {0x24F, LANG_QUECHUA, SUBLANG_QUECHUA_BOLIVIA}, // Bolivia
1.1.1.42 root 10148: {0x251, LANG_SPANISH, SUBLANG_SPANISH_ECUADOR}, // Ecuador
10149: // {0x251, LANG_QUECHUA, SUBLANG_QUECHUA_ECUADOR}, // Ecuador
10150: {0x253, LANG_SPANISH, SUBLANG_SPANISH_PARAGUAY}, // Paraguay
10151: {0x256, LANG_SPANISH, SUBLANG_SPANISH_URUGUAY}, // Uruguay
10152: {0x2A1, LANG_MALAY, SUBLANG_MALAY_BRUNEI_DARUSSALAM}, // Brunei Darussalam
10153: {0x311, LANG_ARABIC, SUBLANG_NEUTRAL}, // Arabic (Middle East/Saudi Arabia/etc.)
10154: {0x324, LANG_UKRAINIAN, SUBLANG_UKRAINIAN_UKRAINE}, // Ukraine
10155: {0x352, LANG_KOREAN, SUBLANG_KOREAN}, // North Korea
10156: {0x354, LANG_CHINESE, SUBLANG_CHINESE_HONGKONG}, // Hong Kong
10157: {0x355, LANG_CHINESE, SUBLANG_CHINESE_MACAU}, // Macao
10158: {0x357, LANG_KHMER, SUBLANG_KHMER_CAMBODIA}, // Cambodia
10159: {0x370, LANG_BANGLA, SUBLANG_BANGLA_BANGLADESH}, // Bangladesh
10160: {0x376, LANG_CHINESE_TRADITIONAL, SUBLANG_CHINESE_TRADITIONAL}, // Taiwan (DOS 6.22+)
10161: {0x3C0, LANG_DIVEHI, SUBLANG_DIVEHI_MALDIVES}, // Maldives
10162: {0x3C1, LANG_ARABIC, SUBLANG_ARABIC_LEBANON}, // Lebanon
10163: {0x3C2, LANG_ARABIC, SUBLANG_ARABIC_JORDAN}, // Jordan
10164: {0x3C3, LANG_ARABIC, SUBLANG_ARABIC_SYRIA}, // Syrian Arab Republic
10165: {0x3C4, LANG_ARABIC, SUBLANG_ARABIC_IRAQ}, // Ireq
10166: {0x3C5, LANG_ARABIC, SUBLANG_ARABIC_KUWAIT}, // Kuwait
10167: {0x3C6, LANG_ARABIC, SUBLANG_ARABIC_SAUDI_ARABIA}, // Saudi Arabia
10168: {0x3C7, LANG_ARABIC, SUBLANG_ARABIC_YEMEN}, // Yemen
10169: {0x3C8, LANG_ARABIC, SUBLANG_ARABIC_OMAN}, // Oman
10170: {0x3CB, LANG_ARABIC, SUBLANG_ARABIC_UAE}, // United Arab Emirates
10171: {0x3CC, LANG_HEBREW, SUBLANG_HEBREW_ISRAEL}, // Israel (Hebrew) (DR DOS 5.0,MS-DOS 5.0+)
10172: {0x3CD, LANG_ARABIC, SUBLANG_ARABIC_BAHRAIN}, // Bahrain
10173: {0x3CE, LANG_ARABIC, SUBLANG_ARABIC_QATAR}, // Qatar
10174: {0x3D0, LANG_MONGOLIAN, SUBLANG_MONGOLIAN_CYRILLIC_MONGOLIA}, // Mongolia
10175: // {0x3D0, LANG_MONGOLIAN, SUBLANG_MONGOLIAN_PRC}, // Mongolia
10176: {0x3D1, LANG_NEPALI, SUBLANG_NEPALI_NEPAL}, // Nepal
10177: {-1, 0, 0},
10178: };
10179:
1.1.1.14 root 10180: inline void msdos_int_21h_38h()
10181: {
10182: switch(REG8(AL)) {
10183: case 0x00:
1.1.1.19 root 10184: REG16(BX) = get_country_info((country_info_t *)(mem + SREG_BASE(DS) + REG16(DX)));
1.1.1.14 root 10185: break;
10186: default:
1.1.1.42 root 10187: for(int i = 0;; i++) {
10188: if(country_table[i].code == (REG8(AL) != 0xff ? REG8(AL) : REG16(BX))) {
10189: REG16(BX) = get_country_info((country_info_t *)(mem + SREG_BASE(DS) + REG16(DX)), country_table[i].usPrimaryLanguage, country_table[i].usSubLanguage);
10190: break;
10191: } else if(country_table[i].code == -1) {
10192: // 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));
10193: // REG16(AX) = 2;
10194: // m_CF = 1;
10195: REG16(BX) = get_country_info((country_info_t *)(mem + SREG_BASE(DS) + REG16(DX)));
10196: break;
10197: }
10198: }
1.1.1.14 root 10199: break;
10200: }
10201: }
10202:
1.1 root 10203: inline void msdos_int_21h_39h(int lfn)
10204: {
1.1.1.3 root 10205: if(_mkdir(msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn))) {
1.1 root 10206: REG16(AX) = errno;
1.1.1.3 root 10207: m_CF = 1;
1.1 root 10208: }
10209: }
10210:
10211: inline void msdos_int_21h_3ah(int lfn)
10212: {
1.1.1.3 root 10213: if(_rmdir(msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn))) {
1.1 root 10214: REG16(AX) = errno;
1.1.1.3 root 10215: m_CF = 1;
1.1 root 10216: }
10217: }
10218:
10219: inline void msdos_int_21h_3bh(int lfn)
10220: {
1.1.1.45! root 10221: const char *path = msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn);
1.1.1.44 root 10222:
10223: if(_chdir(path)) {
1.1.1.17 root 10224: REG16(AX) = 3; // must be 3 (path not found)
1.1.1.3 root 10225: m_CF = 1;
1.1.1.44 root 10226: } else {
10227: int drv = _getdrive() - 1;
10228: if(path[1] == ':') {
10229: if(path[0] >= 'A' && path[0] <= 'Z') {
10230: drv = path[0] - 'A';
10231: } else if(path[0] >= 'a' && path[0] <= 'z') {
10232: drv = path[0] - 'a';
10233: }
10234: }
10235: msdos_cds_update(drv, path);
1.1 root 10236: }
10237: }
10238:
10239: inline void msdos_int_21h_3ch()
10240: {
1.1.1.45! root 10241: const char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 10242: int attr = GetFileAttributes(path);
1.1.1.37 root 10243: int fd = -1;
10244: int sio_port = 0;
10245: int lpt_port = 0;
1.1 root 10246:
1.1.1.45! root 10247: if(msdos_is_device_path(path)) {
! 10248: fd = msdos_open_device(path, _O_WRONLY | _O_BINARY, &sio_port, &lpt_port);
1.1 root 10249: } else {
10250: fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
10251: }
10252: if(fd != -1) {
10253: if(attr == -1) {
10254: attr = msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY;
10255: }
10256: SetFileAttributes(path, attr);
10257: REG16(AX) = fd;
1.1.1.45! root 10258: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_device_info(path), current_psp, sio_port, lpt_port);
1.1.1.20 root 10259: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 10260: } else {
10261: REG16(AX) = errno;
1.1.1.3 root 10262: m_CF = 1;
1.1 root 10263: }
10264: }
10265:
10266: inline void msdos_int_21h_3dh()
10267: {
1.1.1.45! root 10268: const char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 10269: int mode = REG8(AL) & 0x03;
1.1.1.37 root 10270: int fd = -1;
10271: int sio_port = 0;
10272: int lpt_port = 0;
1.1 root 10273:
10274: if(mode < 0x03) {
1.1.1.45! root 10275: if(msdos_is_device_path(path)) {
! 10276: fd = msdos_open_device(path, file_mode[mode].mode, &sio_port, &lpt_port);
1.1.1.11 root 10277: } else {
1.1.1.13 root 10278: fd = msdos_open(path, file_mode[mode].mode);
1.1.1.11 root 10279: }
1.1 root 10280: if(fd != -1) {
10281: REG16(AX) = fd;
1.1.1.45! root 10282: msdos_file_handler_open(fd, path, _isatty(fd), mode, msdos_device_info(path), current_psp, sio_port, lpt_port);
1.1.1.20 root 10283: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 10284: } else {
10285: REG16(AX) = errno;
1.1.1.3 root 10286: m_CF = 1;
1.1 root 10287: }
10288: } else {
10289: REG16(AX) = 0x0c;
1.1.1.3 root 10290: m_CF = 1;
1.1 root 10291: }
10292: }
10293:
10294: inline void msdos_int_21h_3eh()
10295: {
10296: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 10297: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 10298:
1.1.1.20 root 10299: if(fd < process->max_files && file_handler[fd].valid) {
10300: _close(fd);
10301: msdos_file_handler_close(fd);
10302: msdos_psp_set_file_table(REG16(BX), 0x0ff, current_psp);
1.1 root 10303: } else {
10304: REG16(AX) = 0x06;
1.1.1.3 root 10305: m_CF = 1;
1.1 root 10306: }
10307: }
10308:
1.1.1.35 root 10309: DWORD WINAPI msdos_int_21h_3fh_thread(LPVOID)
10310: {
10311: UINT8 *buf = mem + SREG_BASE(DS) + REG16(DX);
10312: int max = REG16(CX);
10313: int p = 0;
10314:
10315: while(max > p) {
10316: int chr = msdos_getch();
10317:
10318: if((ctrl_break_checking && ctrl_break_pressed) || ctrl_c_pressed) {
10319: p = 0;
10320: buf[p++] = 0x0d;
10321: if(max > p) {
10322: buf[p++] = 0x0a;
10323: }
10324: msdos_putch(0x03);
10325: msdos_putch(0x0d);
10326: msdos_putch(0x0a);
10327: break;
10328: } else if(ctrl_break_pressed) {
10329: // skip this byte
10330: } else if(chr == 0x00) {
10331: // skip 2nd byte
10332: msdos_getch();
10333: } else if(chr == 0x0d) {
10334: // carriage return
10335: buf[p++] = 0x0d;
10336: if(max > p) {
10337: buf[p++] = 0x0a;
10338: }
10339: msdos_putch('\n');
10340: break;
10341: } else if(chr == 0x08) {
10342: // back space
10343: if(p > 0) {
10344: p--;
10345: if(msdos_ctrl_code_check(buf[p])) {
10346: msdos_putch(0x08);
10347: msdos_putch(0x08);
10348: msdos_putch(0x20);
10349: msdos_putch(0x20);
10350: msdos_putch(0x08);
10351: msdos_putch(0x08);
1.1.1.36 root 10352: } else if(p > 0 && msdos_kanji_2nd_byte_check(buf, p)) {
10353: p--;
10354: msdos_putch(0x08);
10355: msdos_putch(0x08);
10356: msdos_putch(0x20);
10357: msdos_putch(0x20);
10358: msdos_putch(0x08);
10359: msdos_putch(0x08);
1.1.1.35 root 10360: } else {
10361: msdos_putch(0x08);
10362: msdos_putch(0x20);
10363: msdos_putch(0x08);
10364: }
10365: }
10366: } else if(chr == 0x1b) {
10367: // escape
10368: while(p > 0) {
10369: p--;
10370: if(msdos_ctrl_code_check(buf[p])) {
10371: msdos_putch(0x08);
10372: msdos_putch(0x08);
10373: msdos_putch(0x20);
10374: msdos_putch(0x20);
10375: msdos_putch(0x08);
10376: msdos_putch(0x08);
10377: } else {
10378: msdos_putch(0x08);
10379: msdos_putch(0x20);
10380: msdos_putch(0x08);
10381: }
10382: }
10383: } else {
10384: buf[p++] = chr;
10385: msdos_putch(chr);
10386: }
10387: }
10388: REG16(AX) = p;
10389:
10390: #ifdef USE_SERVICE_THREAD
10391: service_exit = true;
10392: #endif
10393: return(0);
10394: }
10395:
1.1 root 10396: inline void msdos_int_21h_3fh()
10397: {
10398: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 10399: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 10400:
1.1.1.20 root 10401: if(fd < process->max_files && file_handler[fd].valid) {
10402: if(file_mode[file_handler[fd].mode].in) {
10403: if(file_handler[fd].atty) {
1.1 root 10404: // BX is stdin or is redirected to stdin
1.1.1.35 root 10405: if(REG16(CX) != 0) {
10406: #ifdef USE_SERVICE_THREAD
10407: start_service_loop(msdos_int_21h_3fh_thread);
10408: #else
10409: msdos_int_21h_3fh_thread(NULL);
10410: REQUEST_HARDWRE_UPDATE();
10411: #endif
10412: } else {
10413: REG16(AX) = 0;
1.1 root 10414: }
10415: } else {
1.1.1.37 root 10416: REG16(AX) = msdos_read(fd, mem + SREG_BASE(DS) + REG16(DX), REG16(CX));
1.1 root 10417: }
10418: } else {
10419: REG16(AX) = 0x05;
1.1.1.3 root 10420: m_CF = 1;
1.1 root 10421: }
10422: } else {
10423: REG16(AX) = 0x06;
1.1.1.3 root 10424: m_CF = 1;
1.1 root 10425: }
10426: }
10427:
10428: inline void msdos_int_21h_40h()
10429: {
10430: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 10431: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 10432:
1.1.1.20 root 10433: if(fd < process->max_files && file_handler[fd].valid) {
10434: if(file_mode[file_handler[fd].mode].out) {
1.1 root 10435: if(REG16(CX)) {
1.1.1.20 root 10436: if(file_handler[fd].atty) {
1.1 root 10437: // BX is stdout/stderr or is redirected to stdout
10438: for(int i = 0; i < REG16(CX); i++) {
1.1.1.3 root 10439: msdos_putch(mem[SREG_BASE(DS) + REG16(DX) + i]);
1.1 root 10440: }
10441: REG16(AX) = REG16(CX);
10442: } else {
1.1.1.20 root 10443: REG16(AX) = msdos_write(fd, mem + SREG_BASE(DS) + REG16(DX), REG16(CX));
1.1 root 10444: }
10445: } else {
1.1.1.20 root 10446: UINT32 pos = _tell(fd);
10447: _lseek(fd, 0, SEEK_END);
10448: UINT32 size = _tell(fd);
1.1.1.12 root 10449: if(pos < size) {
1.1.1.20 root 10450: _lseek(fd, pos, SEEK_SET);
10451: SetEndOfFile((HANDLE)_get_osfhandle(fd));
1.1.1.12 root 10452: } else {
10453: for(UINT32 i = size; i < pos; i++) {
10454: UINT8 tmp = 0;
1.1.1.23 root 10455: msdos_write(fd, &tmp, 1);
1.1.1.12 root 10456: }
1.1.1.20 root 10457: _lseek(fd, pos, SEEK_SET);
1.1 root 10458: }
1.1.1.23 root 10459: REG16(AX) = 0;
1.1 root 10460: }
10461: } else {
10462: REG16(AX) = 0x05;
1.1.1.3 root 10463: m_CF = 1;
1.1 root 10464: }
10465: } else {
10466: REG16(AX) = 0x06;
1.1.1.3 root 10467: m_CF = 1;
1.1 root 10468: }
10469: }
10470:
10471: inline void msdos_int_21h_41h(int lfn)
10472: {
1.1.1.3 root 10473: if(remove(msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn))) {
1.1 root 10474: REG16(AX) = errno;
1.1.1.3 root 10475: m_CF = 1;
1.1 root 10476: }
10477: }
10478:
10479: inline void msdos_int_21h_42h()
10480: {
10481: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 10482: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 10483:
1.1.1.20 root 10484: if(fd < process->max_files && file_handler[fd].valid) {
1.1 root 10485: if(REG8(AL) < 0x03) {
1.1.1.35 root 10486: static const int ptrname[] = { SEEK_SET, SEEK_CUR, SEEK_END };
1.1.1.20 root 10487: _lseek(fd, (REG16(CX) << 16) | REG16(DX), ptrname[REG8(AL)]);
10488: UINT32 pos = _tell(fd);
1.1 root 10489: REG16(AX) = pos & 0xffff;
10490: REG16(DX) = (pos >> 16);
10491: } else {
10492: REG16(AX) = 0x01;
1.1.1.3 root 10493: m_CF = 1;
1.1 root 10494: }
10495: } else {
10496: REG16(AX) = 0x06;
1.1.1.3 root 10497: m_CF = 1;
1.1 root 10498: }
10499: }
10500:
10501: inline void msdos_int_21h_43h(int lfn)
10502: {
1.1.1.45! root 10503: const char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn);
1.1 root 10504: int attr;
10505:
1.1.1.14 root 10506: if(!lfn && REG8(AL) > 2) {
10507: REG16(AX) = 0x01;
10508: m_CF = 1;
10509: return;
10510: }
10511: switch(REG8(lfn ? BL : AL)) {
1.1 root 10512: case 0x00:
10513: if((attr = GetFileAttributes(path)) != -1) {
1.1.1.14 root 10514: REG16(CX) = (UINT16)msdos_file_attribute_create((UINT16)attr);
10515: } else {
10516: REG16(AX) = (UINT16)GetLastError();
10517: m_CF = 1;
10518: }
10519: break;
10520: case 0x01:
10521: if(!SetFileAttributes(path, msdos_file_attribute_create(REG16(CX)))) {
10522: REG16(AX) = (UINT16)GetLastError();
10523: m_CF = 1;
10524: }
10525: break;
10526: case 0x02:
10527: {
1.1.1.45! root 10528: DWORD compressed_size = GetCompressedFileSize(path, NULL), file_size = 0;
! 10529: if(compressed_size != INVALID_FILE_SIZE) {
! 10530: if(compressed_size != 0) {
! 10531: HANDLE hFile = CreateFile(path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
! 10532: if(hFile != INVALID_HANDLE_VALUE) {
! 10533: file_size = GetFileSize(hFile, NULL);
! 10534: CloseHandle(hFile);
! 10535: }
! 10536: if(compressed_size == file_size) {
! 10537: DWORD sectors_per_cluster, bytes_per_sector, free_clusters, total_clusters;
! 10538: // this isn't correct if the file is in the NTFS MFT
! 10539: if(GetDiskFreeSpace(path, §ors_per_cluster, &bytes_per_sector, &free_clusters, &total_clusters)) {
! 10540: compressed_size = ((compressed_size - 1) | (sectors_per_cluster * bytes_per_sector - 1)) + 1;
! 10541: }
1.1.1.14 root 10542: }
10543: }
1.1.1.45! root 10544: REG16(AX) = LOWORD(compressed_size);
! 10545: REG16(DX) = HIWORD(compressed_size);
1.1.1.14 root 10546: } else {
10547: REG16(AX) = (UINT16)GetLastError();
10548: m_CF = 1;
1.1 root 10549: }
1.1.1.14 root 10550: }
10551: break;
10552: case 0x03:
10553: case 0x05:
10554: case 0x07:
10555: {
10556: HANDLE hFile = CreateFile(path, FILE_WRITE_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
10557: if(hFile != INVALID_HANDLE_VALUE) {
10558: FILETIME local, time;
10559: DosDateTimeToFileTime(REG16(DI), /*REG8(BL) == 5 ? 0 : */REG16(CX), &local);
10560: if(REG8(BL) == 7) {
10561: ULARGE_INTEGER hund;
10562: hund.LowPart = local.dwLowDateTime;
10563: hund.HighPart = local.dwHighDateTime;
10564: hund.QuadPart += REG16(SI) * 100000;
10565: local.dwLowDateTime = hund.LowPart;
10566: local.dwHighDateTime = hund.HighPart;
10567: }
10568: LocalFileTimeToFileTime(&local, &time);
10569: if(!SetFileTime(hFile, REG8(BL) == 0x07 ? &time : NULL,
10570: REG8(BL) == 0x05 ? &time : NULL,
10571: REG8(BL) == 0x03 ? &time : NULL)) {
10572: REG16(AX) = (UINT16)GetLastError();
10573: m_CF = 1;
10574: }
10575: CloseHandle(hFile);
10576: } else {
10577: REG16(AX) = (UINT16)GetLastError();
10578: m_CF = 1;
1.1 root 10579: }
1.1.1.14 root 10580: }
10581: break;
10582: case 0x04:
10583: case 0x06:
10584: case 0x08:
10585: {
10586: WIN32_FILE_ATTRIBUTE_DATA fad;
10587: if(GetFileAttributesEx(path, GetFileExInfoStandard, (LPVOID)&fad)) {
10588: FILETIME *time, local;
10589: time = REG8(BL) == 0x04 ? &fad.ftLastWriteTime :
10590: 0x06 ? &fad.ftLastAccessTime :
10591: &fad.ftCreationTime;
10592: FileTimeToLocalFileTime(time, &local);
10593: FileTimeToDosDateTime(&local, ®16(DI), ®16(CX));
10594: if(REG8(BL) == 0x08) {
10595: ULARGE_INTEGER hund;
10596: hund.LowPart = local.dwLowDateTime;
10597: hund.HighPart = local.dwHighDateTime;
10598: hund.QuadPart /= 100000;
10599: REG16(SI) = (UINT16)(hund.QuadPart % 200);
10600: }
10601: } else {
10602: REG16(AX) = (UINT16)GetLastError();
10603: m_CF = 1;
1.1 root 10604: }
1.1.1.14 root 10605: }
10606: break;
1.1.1.43 root 10607: case 0xff:
10608: if(REG16(BP) == 0x5053) {
10609: if(REG8(CL) == 0x39) {
10610: msdos_int_21h_39h(1);
10611: break;
10612: } else if(REG8(CL) == 0x56) {
10613: msdos_int_21h_56h(1);
10614: break;
10615: }
10616: }
1.1.1.14 root 10617: default:
1.1.1.22 root 10618: 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 10619: REG16(AX) = 0x01;
10620: m_CF = 1;
10621: break;
10622: }
10623: }
10624:
10625: inline void msdos_int_21h_44h()
10626: {
1.1.1.22 root 10627: static UINT16 iteration_count = 0;
10628:
1.1.1.44 root 10629: process_t *process;
10630: int fd, drv;
1.1.1.14 root 10631:
10632: switch(REG8(AL)) {
10633: case 0x00:
10634: case 0x01:
10635: case 0x02:
10636: case 0x03:
10637: case 0x04:
10638: case 0x05:
10639: case 0x06:
10640: case 0x07:
1.1.1.44 root 10641: process = msdos_process_info_get(current_psp);
10642: fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1.1.20 root 10643: if(fd >= process->max_files || !file_handler[fd].valid) {
10644: REG16(AX) = 0x06;
10645: m_CF = 1;
10646: return;
1.1.1.14 root 10647: }
10648: break;
10649: case 0x08:
10650: case 0x09:
1.1.1.44 root 10651: drv = (REG8(BL) ? REG8(BL) : _getdrive()) - 1;
10652: if(!msdos_is_valid_drive(drv)) {
10653: // invalid drive
1.1.1.14 root 10654: REG16(AX) = 0x0f;
10655: m_CF = 1;
10656: return;
1.1 root 10657: }
10658: break;
10659: }
10660: switch(REG8(AL)) {
10661: case 0x00: // get ioctrl data
1.1.1.20 root 10662: REG16(DX) = file_handler[fd].info;
1.1 root 10663: break;
10664: case 0x01: // set ioctrl data
1.1.1.45! root 10665: if(REG8(DH) != 0) {
! 10666: // REG16(AX) = 0x0d; // data invalid
! 10667: // m_CF = 1;
! 10668: file_handler[fd].info = REG16(DX);
! 10669: } else {
! 10670: file_handler[fd].info &= 0xff00;
! 10671: file_handler[fd].info |= REG8(DL);
! 10672: }
1.1 root 10673: break;
10674: case 0x02: // recv from character device
1.1.1.45! root 10675: if(strstr(file_handler[fd].path, "EMMXXXX0") != NULL && support_ems) {
! 10676: // from DOSBox
! 10677: switch(*(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX))) {
! 10678: case 0x00:
! 10679: if(REG16(CX) >= 6) {
! 10680: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = 0x0023;
! 10681: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(DX) + 2) = 0x0000;
! 10682: REG16(AX) = 6; // number of bytes actually read
! 10683: } else {
! 10684: REG16(AX) = 0x0d; // data invalid
! 10685: m_CF = 1;
! 10686: }
! 10687: break;
! 10688: case 0x01:
! 10689: if(REG16(CX) >= 6) {
! 10690: *(UINT16 *)(mem + XMS_TOP + 0x18 + 0x000) = 0x0004; // flags
! 10691: *(UINT16 *)(mem + XMS_TOP + 0x18 + 0x002) = 0x019d; // size of this structure
! 10692: *(UINT16 *)(mem + XMS_TOP + 0x18 + 0x004) = 0x0001; // version 1.0
! 10693: *(UINT32 *)(mem + XMS_TOP + 0x18 + 0x006) = 0x00000000; // reserved
! 10694: for(int addr = 0, ofs = 0x00a; addr < 0x100000; addr += 0x4000, ofs += 6) {
! 10695: if(addr >= EMS_TOP && addr < EMS_TOP + EMS_SIZE) {
! 10696: int page = (addr - EMS_TOP) / 0x4000;
! 10697: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 0) = 0x03; // frame type: EMS frame in 64k page
! 10698: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 1) = 0xff; // owner: NONE
! 10699: *(UINT16 *)(mem + XMS_TOP + 0x18 + ofs + 2) = 0x7fff; // no logical page number
! 10700: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 4) = page; // physical EMS page number
! 10701: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 5) = 0x00; // flags: EMS frame
! 10702: } else {
! 10703: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 0) = 0x00; // frame type: NONE
! 10704: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 1) = 0xff; // owner: NONE
! 10705: *(UINT16 *)(mem + XMS_TOP + 0x18 + ofs + 2) = 0xffff; // non-EMS frame
! 10706: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 4) = 0xff; // EMS page number (NONE)
! 10707: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 5) = 0xaa; // flags: direct mapping
! 10708: }
! 10709: }
! 10710: *(UINT8 *)(mem + XMS_TOP + 0x18 + 0x18a) = 0x74; // ??
! 10711: *(UINT8 *)(mem + XMS_TOP + 0x18 + 0x18b) = 0x00; // no UMB descriptors following
! 10712: *(UINT8 *)(mem + XMS_TOP + 0x18 + 0x18c) = 0x01; // 1 EMS handle info record
! 10713: *(UINT16 *)(mem + XMS_TOP + 0x18 + 0x17d) = 0x0000; // system handle
! 10714: *(UINT32 *)(mem + XMS_TOP + 0x18 + 0x18f) = 0x00000000; // handle name
! 10715: *(UINT32 *)(mem + XMS_TOP + 0x18 + 0x193) = 0x00000000; // handle name
! 10716: *(UINT16 *)(mem + XMS_TOP + 0x18 + 0x197) = 0x0001; // system handle
! 10717: *(UINT32 *)(mem + XMS_TOP + 0x18 + 0x199) = 0x00110000; // physical address
! 10718:
! 10719: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = 0x0018;
! 10720: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2) = XMS_TOP >> 4;;
! 10721: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 4) = 0x0001; // version 1.0
! 10722: REG16(AX) = 6; // number of bytes actually read
! 10723: } else {
! 10724: REG16(AX) = 0x0d; // data invalid
! 10725: m_CF = 1;
! 10726: }
! 10727: break;
! 10728: case 0x02:
! 10729: if(REG16(CX) >= 2) {
! 10730: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = 0x40; // EMS 4.0
! 10731: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 1) = 0x00;
! 10732: REG16(AX) = 2; // number of bytes actually read
! 10733: } else {
! 10734: REG16(AX) = 0x0d; // data invalid
! 10735: m_CF = 1;
! 10736: }
! 10737: break;
! 10738: case 0x03:
! 10739: if(REG16(CX) >= 4) {
! 10740: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = MAX_EMS_PAGES * 16; // max size (kb)
! 10741: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2) = 0x0080; // min size (kb)
! 10742: REG16(AX) = 4; // number of bytes actually read
! 10743: } else {
! 10744: REG16(AX) = 0x0d; // data invalid
! 10745: m_CF = 1;
! 10746: }
! 10747: break;
! 10748: default:
! 10749: REG16(AX) = 0x01; // function number invalid
! 10750: m_CF = 1;
! 10751: }
! 10752: } else if(strstr(file_handler[fd].path, "CONFIG$") != NULL) {
! 10753: if(REG16(CX) >= 5) {
! 10754: memset(mem + SREG_BASE(DS) + REG16(DX), 0, 5);
! 10755: REG16(AX) = 5; // number of bytes actually read
! 10756: } else {
! 10757: REG16(AX) = 0x0d; // data invalid
! 10758: m_CF = 1;
! 10759: }
! 10760: } else {
! 10761: // memset(mem + SREG_BASE(DS) + REG16(DX), 0, REG16(CX));
! 10762: // REG16(AX) = REG16(CX);
! 10763: REG16(AX) = 0x05; // access denied
! 10764: m_CF = 1;
! 10765: }
! 10766: break;
1.1 root 10767: case 0x03: // send to character device
1.1.1.45! root 10768: // REG16(AX) = 0x05;
! 10769: // m_CF = 1;
! 10770: REG16(AX) = 0x00; // success
! 10771: break;
1.1 root 10772: case 0x04: // recv from block device
10773: case 0x05: // send to block device
10774: REG16(AX) = 0x05;
1.1.1.3 root 10775: m_CF = 1;
1.1 root 10776: break;
10777: case 0x06: // get read status
1.1.1.20 root 10778: if(file_mode[file_handler[fd].mode].in) {
10779: if(file_handler[fd].atty) {
1.1.1.14 root 10780: REG8(AL) = msdos_kbhit() ? 0xff : 0x00;
1.1 root 10781: } else {
1.1.1.20 root 10782: REG8(AL) = eof(fd) ? 0x00 : 0xff;
1.1 root 10783: }
1.1.1.14 root 10784: } else {
10785: REG8(AL) = 0x00;
1.1 root 10786: }
10787: break;
10788: case 0x07: // get write status
1.1.1.20 root 10789: if(file_mode[file_handler[fd].mode].out) {
1.1.1.14 root 10790: REG8(AL) = 0xff;
10791: } else {
10792: REG8(AL) = 0x00;
1.1 root 10793: }
10794: break;
10795: case 0x08: // check removable drive
1.1.1.44 root 10796: if(msdos_is_removable_drive(drv) || msdos_is_cdrom_drive(drv)) {
1.1.1.14 root 10797: // removable drive
10798: REG16(AX) = 0x00;
1.1 root 10799: } else {
1.1.1.14 root 10800: // fixed drive
10801: REG16(AX) = 0x01;
1.1 root 10802: }
10803: break;
10804: case 0x09: // check remote drive
1.1.1.44 root 10805: if(msdos_is_remote_drive(drv)) {
1.1.1.14 root 10806: // remote drive
10807: REG16(DX) = 0x1000;
1.1.1.44 root 10808: } else if(msdos_is_subst_drive(drv)) {
10809: // subst drive
10810: REG16(DX) = 0x8000;
1.1 root 10811: } else {
1.1.1.14 root 10812: // local drive
1.1.1.44 root 10813: REG16(DX) = 0x0000;
1.1 root 10814: }
10815: break;
1.1.1.21 root 10816: case 0x0a: // check remote handle
1.1.1.45! root 10817: if(!(file_handler[fd].info & 0x8000) && msdos_is_remote_drive(msdos_drive_number(file_handler[fd].path))) {
! 10818: REG16(DX) = 0x8000;
! 10819: } else {
! 10820: REG16(DX) = 0x0000;
! 10821: }
1.1.1.21 root 10822: break;
1.1 root 10823: case 0x0b: // set retry count
10824: break;
1.1.1.22 root 10825: case 0x0c: // generic character device request
10826: if(REG8(CL) == 0x45) {
10827: // set iteration (retry) count
10828: iteration_count = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX));
10829: } else if(REG8(CL) == 0x4a) {
10830: // select code page
10831: active_code_page = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2);
10832: msdos_nls_tables_update();
1.1.1.44 root 10833: } else if(REG8(CL) == 0x4c) {
10834: // start code-page preparation
10835: int ids[3] = {437, 0, 0}; // 437: US English
10836: int count = 1, offset = 0;
10837: if(active_code_page != 437) {
10838: ids[count++] = active_code_page;
10839: }
10840: if(system_code_page != 437 && system_code_page != active_code_page) {
10841: ids[count++] = system_code_page;
10842: }
10843: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = 0;
10844: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = 2 + 2 * count;
10845: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = count;
10846: for(int i = 0; i < count; i++) {
10847: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = ids[i];
10848: }
10849: } else if(REG8(CL) == 0x4d) {
10850: // end code-page preparation
10851: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = 2;
10852: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2) = active_code_page;
1.1.1.22 root 10853: } else if(REG8(CL) == 0x65) {
10854: // get iteration (retry) count
10855: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX)) = iteration_count;
10856: } else if(REG8(CL) == 0x6a) {
10857: // query selected code page
10858: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = 2; // FIXME
10859: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2) = active_code_page;
10860:
10861: CPINFO info;
10862: GetCPInfo(active_code_page, &info);
10863:
10864: if(info.MaxCharSize != 1) {
10865: for(int i = 0;; i++) {
10866: UINT8 lo = info.LeadByte[2 * i + 0];
10867: UINT8 hi = info.LeadByte[2 * i + 1];
10868:
10869: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 4 + 4 * i + 0) = lo;
10870: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 4 + 4 * i + 2) = hi;
10871: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) + 4;
10872:
10873: if(lo == 0 && hi == 0) {
10874: break;
10875: }
10876: }
10877: }
1.1.1.44 root 10878: } else if(REG8(CL) == 0x6b) {
10879: // query prepare list
10880: int ids[3] = {437, 0, 0}; // 437: US English
10881: int count = 1, offset = 0;
10882: if(active_code_page != 437) {
10883: ids[count++] = active_code_page;
10884: }
10885: if(system_code_page != 437 && system_code_page != active_code_page) {
10886: ids[count++] = system_code_page;
10887: }
10888: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = 2 * (2 + 2 * count);
10889: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = count;
10890: for(int i = 0; i < count; i++) {
10891: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = ids[i];
10892: }
10893: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = count;
10894: for(int i = 0; i < count; i++) {
10895: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = ids[i];
10896: }
1.1.1.22 root 10897: } else if(REG8(CL) == 0x7f) {
1.1.1.44 root 10898: // get display information
1.1.1.22 root 10899: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x00) = 0;
10900: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x01) = 0;
10901: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x02) = 14;
10902: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x04) = 1;
10903: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x06) = 1;
10904: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x07) = 0;
10905: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x08) = 4;
10906: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0a) = 8 * (*(UINT16 *)(mem + 0x44a));
10907: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0c) = 16 * (*(UINT8 *)(mem + 0x484) + 1);
10908: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0e) = *(UINT16 *)(mem + 0x44a);
10909: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x10) = *(UINT8 *)(mem + 0x484) + 1;
10910: } else {
10911: 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));
10912: REG16(AX) = 0x01; // invalid function
10913: m_CF = 1;
10914: }
10915: break;
10916: case 0x0d: // generic block device request
10917: if(REG8(CL) == 0x40) {
10918: // set device parameters
10919: } else if(REG8(CL) == 0x46) {
10920: // set volume serial number
10921: } else if(REG8(CL) == 0x4a) {
10922: // lock logical volume
10923: } else if(REG8(CL) == 0x4b) {
10924: // lock physical volume
10925: } else if(REG8(CL) == 0x60) {
10926: // get device parameters
1.1.1.42 root 10927: int drive_num = (REG8(BL) ? REG8(BL) : _getdrive()) - 1;
1.1.1.22 root 10928:
1.1.1.42 root 10929: if(pcbios_update_drive_param(drive_num, 1)) {
10930: drive_param_t *drive_param = &drive_params[drive_num];
10931: DISK_GEOMETRY *geo = &drive_param->geometry;
10932:
10933: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x07; // ???
10934: switch(geo->MediaType) {
10935: case F5_360_512:
10936: case F5_320_512:
10937: case F5_320_1024:
10938: case F5_180_512:
10939: case F5_160_512:
10940: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x00; // 320K/360K disk
10941: break;
10942: case F5_1Pt2_512:
10943: case F3_1Pt2_512:
10944: case F3_1Pt23_1024:
10945: case F5_1Pt23_1024:
10946: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x01; // 1.2M disk
10947: break;
10948: case F3_720_512:
10949: case F3_640_512:
10950: case F5_640_512:
10951: case F5_720_512:
10952: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x02; // 720K disk
10953: break;
10954: case F8_256_128:
10955: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x03; // single-density 8-inch disk
10956: break;
10957: case FixedMedia:
10958: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x05; // fixed disk
10959: break;
10960: case F3_1Pt44_512:
10961: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x07; // (DOS 3.3+) other type of block device, normally 1.44M floppy
10962: break;
10963: case F3_2Pt88_512:
10964: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x09; // (DOS 5+) 2.88M floppy
10965: break;
10966: default:
10967: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x05; // fixed disk
10968: // *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x05; // (DOS 3.3+) other type of block device, normally 1.44M floppy
10969: break;
1.1.1.22 root 10970: }
1.1.1.42 root 10971: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x02) = (geo->MediaType == FixedMedia) ? 0x01 : 0x00;
10972: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x04) = (geo->Cylinders.QuadPart > 0xffff) ? 0xffff : geo->Cylinders.QuadPart;
10973: switch(geo->MediaType) {
10974: case F5_360_512:
10975: case F5_320_512:
10976: case F5_320_1024:
10977: case F5_180_512:
10978: case F5_160_512:
10979: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x06) = 0x01; // 320K/360K disk
10980: break;
10981: default:
10982: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x06) = 0x00; // other drive types
10983: break;
10984: }
10985: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x00) = geo->BytesPerSector;
10986: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x02) = geo->SectorsPerTrack * geo->TracksPerCylinder;
10987: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x03) = 0;
10988: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x05) = 0;
10989: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x06) = 0;
10990: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x08) = 0;
10991: switch(geo->MediaType) {
10992: case F5_320_512: // floppy, double-sided, 8 sectors per track (320K)
10993: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xff;
10994: break;
10995: case F5_160_512: // floppy, single-sided, 8 sectors per track (160K)
10996: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xfe;
10997: break;
10998: case F5_360_512: // floppy, double-sided, 9 sectors per track (360K)
10999: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xfd;
11000: break;
11001: case F5_180_512: // floppy, single-sided, 9 sectors per track (180K)
11002: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xfc;
11003: break;
11004: case F5_1Pt2_512: // floppy, double-sided, 15 sectors per track (1.2M)
11005: case F3_1Pt2_512:
11006: case F3_720_512: // floppy, double-sided, 9 sectors per track (720K,3.5")
11007: case F5_720_512:
11008: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xf9;
11009: break;
11010: case FixedMedia: // hard disk
11011: case RemovableMedia:
11012: case Unknown:
11013: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xf8;
11014: break;
11015: default:
11016: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xf0;
11017: break;
11018: }
11019: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0d) = geo->SectorsPerTrack;
11020: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0f) = 1;
11021: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x11) = 0;
11022: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x15) = geo->TracksPerCylinder * geo->Cylinders.QuadPart;
11023: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x1f) = geo->Cylinders.QuadPart;
11024: // 21h BYTE device type
11025: // 22h WORD device attributes (removable or not, etc)
1.1.1.22 root 11026: } else {
11027: REG16(AX) = 0x0f; // invalid drive
11028: m_CF = 1;
11029: }
11030: } else if(REG8(CL) == 0x66) {
11031: // get volume serial number
11032: char path[] = "A:\\";
11033: char volume_label[MAX_PATH];
11034: DWORD serial_number = 0;
11035: char file_system[MAX_PATH];
11036:
11037: path[0] = 'A' + (REG8(BL) ? REG8(BL) : _getdrive()) - 1;
11038:
11039: if(GetVolumeInformation(path, volume_label, MAX_PATH, &serial_number, NULL, NULL, file_system, MAX_PATH)) {
11040: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0;
11041: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x02) = serial_number;
11042: memset(mem + SREG_BASE(DS) + REG16(SI) + 0x06, 0x20, 11);
11043: memcpy(mem + SREG_BASE(DS) + REG16(SI) + 0x06, volume_label, min(strlen(volume_label), 11));
11044: memset(mem + SREG_BASE(DS) + REG16(SI) + 0x11, 0x20, 8);
11045: memcpy(mem + SREG_BASE(DS) + REG16(SI) + 0x11, file_system, min(strlen(file_system), 8));
11046: } else {
11047: REG16(AX) = 0x0f; // invalid drive
11048: m_CF = 1;
11049: }
11050: } else if(REG8(CL) == 0x67) {
11051: // get access flag
11052: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0;
11053: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 1;
11054: } else if(REG8(CL) == 0x68) {
11055: // sense media type
1.1.1.42 root 11056: int drive_num = (REG8(BL) ? REG8(BL) : _getdrive()) - 1;
1.1.1.22 root 11057:
1.1.1.42 root 11058: if(pcbios_update_drive_param(drive_num, 1)) {
11059: drive_param_t *drive_param = &drive_params[drive_num];
11060: DISK_GEOMETRY *geo = &drive_param->geometry;
11061:
11062: switch(geo->MediaType) {
11063: case F3_720_512:
11064: case F5_720_512:
11065: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x01;
11066: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x02;
11067: break;
11068: case F3_1Pt44_512:
11069: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x01;
11070: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x07;
11071: break;
11072: case F3_2Pt88_512:
11073: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x01;
11074: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x09;
11075: break;
11076: default:
11077: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x00;
11078: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x00; // ???
11079: break;
1.1.1.22 root 11080: }
11081: } else {
11082: REG16(AX) = 0x0f; // invalid drive
11083: m_CF = 1;
11084: }
11085: } else if(REG8(CL) == 0x6a) {
11086: // unlock logical volume
11087: } else if(REG8(CL) == 0x6b) {
11088: // unlock physical volume
11089: } else {
11090: 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));
11091: REG16(AX) = 0x01; // invalid function
11092: m_CF = 1;
11093: }
11094: break;
11095: case 0x0e: // get logical drive map
1.1.1.44 root 11096: if(!msdos_is_valid_drive((REG8(BL) ? REG8(BL) : _getdrive()) - 1)) {
11097: REG16(AX) = 0x0f; // invalid drive
11098: m_CF = 1;
11099: } else {
11100: REG8(AL) = 0;
1.1.1.22 root 11101: }
11102: break;
11103: case 0x0f: // set logical drive map
1.1.1.44 root 11104: if(!msdos_is_valid_drive((REG8(BL) ? REG8(BL) : _getdrive()) - 1)) {
11105: REG16(AX) = 0x0f; // invalid drive
11106: m_CF = 1;
1.1.1.22 root 11107: }
11108: break;
11109: case 0x10: // query generic ioctrl capability (handle)
11110: switch(REG8(CL)) {
11111: case 0x45:
11112: case 0x4a:
11113: case 0x65:
11114: case 0x6a:
11115: case 0x7f:
11116: REG16(AX) = 0x0000; // supported
11117: break;
11118: default:
11119: REG8(AL) = 0x01; // ioctl capability not available
11120: m_CF = 1;
11121: break;
11122: }
11123: break;
11124: case 0x11: // query generic ioctrl capability (drive)
11125: switch(REG8(CL)) {
11126: case 0x40:
11127: case 0x46:
11128: case 0x4a:
11129: case 0x4b:
11130: case 0x60:
11131: case 0x66:
11132: case 0x67:
11133: case 0x68:
11134: case 0x6a:
11135: case 0x6b:
11136: REG16(AX) = 0x0000; // supported
11137: break;
11138: default:
11139: REG8(AL) = 0x01; // ioctl capability not available
11140: m_CF = 1;
11141: break;
11142: }
11143: break;
11144: case 0x12: // determine dos type
11145: case 0x51: // concurrent dos v3.2+ - installation check
11146: case 0x52: // determine dos type/get dr dos versuin
11147: REG16(AX) = 0x01; // this is not DR-DOS
11148: m_CF = 1;
11149: break;
1.1 root 11150: default:
1.1.1.22 root 11151: 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 11152: REG16(AX) = 0x01;
1.1.1.3 root 11153: m_CF = 1;
1.1 root 11154: break;
11155: }
11156: }
11157:
11158: inline void msdos_int_21h_45h()
11159: {
11160: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 11161: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 11162:
1.1.1.20 root 11163: if(fd < process->max_files && file_handler[fd].valid) {
11164: int dup_fd = _dup(fd);
11165: if(dup_fd != -1) {
11166: REG16(AX) = dup_fd;
11167: msdos_file_handler_dup(dup_fd, fd, current_psp);
11168: // msdos_psp_set_file_table(dup_fd, fd, current_psp);
11169: msdos_psp_set_file_table(dup_fd, dup_fd, current_psp);
1.1 root 11170: } else {
11171: REG16(AX) = errno;
1.1.1.3 root 11172: m_CF = 1;
1.1 root 11173: }
11174: } else {
11175: REG16(AX) = 0x06;
1.1.1.3 root 11176: m_CF = 1;
1.1 root 11177: }
11178: }
11179:
11180: inline void msdos_int_21h_46h()
11181: {
11182: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 11183: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
11184: int dup_fd = REG16(CX);
11185: int tmp_fd = msdos_psp_get_file_table(REG16(CX), current_psp);
1.1 root 11186:
1.1.1.20 root 11187: if(REG16(BX) == REG16(CX)) {
11188: REG16(AX) = 0x06;
11189: m_CF = 1;
11190: } else if(fd < process->max_files && file_handler[fd].valid && dup_fd < process->max_files) {
11191: if(tmp_fd < process->max_files && file_handler[tmp_fd].valid) {
11192: _close(tmp_fd);
11193: msdos_file_handler_close(tmp_fd);
11194: msdos_psp_set_file_table(dup_fd, 0x0ff, current_psp);
11195: }
11196: if(_dup2(fd, dup_fd) != -1) {
11197: msdos_file_handler_dup(dup_fd, fd, current_psp);
11198: // msdos_psp_set_file_table(dup_fd, fd, current_psp);
11199: msdos_psp_set_file_table(dup_fd, dup_fd, current_psp);
1.1 root 11200: } else {
11201: REG16(AX) = errno;
1.1.1.3 root 11202: m_CF = 1;
1.1 root 11203: }
11204: } else {
11205: REG16(AX) = 0x06;
1.1.1.3 root 11206: m_CF = 1;
1.1 root 11207: }
11208: }
11209:
11210: inline void msdos_int_21h_47h(int lfn)
11211: {
11212: char path[MAX_PATH];
11213:
11214: if(_getdcwd(REG8(DL), path, MAX_PATH) != NULL) {
1.1.1.45! root 11215: if(!lfn) {
! 11216: strcpy(path, msdos_short_path(path));
! 11217: }
1.1 root 11218: if(path[1] == ':') {
11219: // the returned path does not include a drive or the initial backslash
1.1.1.45! root 11220: strcpy((char *)(mem + SREG_BASE(DS) + REG16(SI)), path + 3);
1.1 root 11221: } else {
1.1.1.45! root 11222: strcpy((char *)(mem + SREG_BASE(DS) + REG16(SI)), path);
1.1 root 11223: }
11224: } else {
11225: REG16(AX) = errno;
1.1.1.3 root 11226: m_CF = 1;
1.1 root 11227: }
11228: }
11229:
11230: inline void msdos_int_21h_48h()
11231: {
1.1.1.19 root 11232: int seg, umb_linked;
1.1 root 11233:
1.1.1.8 root 11234: if((malloc_strategy & 0xf0) == 0x00) {
1.1.1.19 root 11235: // unlink umb not to allocate memory in umb
11236: if((umb_linked = msdos_mem_get_umb_linked()) != 0) {
11237: msdos_mem_unlink_umb();
11238: }
1.1.1.8 root 11239: if((seg = msdos_mem_alloc(first_mcb, REG16(BX), 0)) != -1) {
11240: REG16(AX) = seg;
11241: } else {
11242: REG16(AX) = 0x08;
11243: REG16(BX) = msdos_mem_get_free(first_mcb, 0);
11244: m_CF = 1;
11245: }
1.1.1.19 root 11246: if(umb_linked != 0) {
11247: msdos_mem_link_umb();
11248: }
1.1.1.8 root 11249: } else if((malloc_strategy & 0xf0) == 0x40) {
11250: if((seg = msdos_mem_alloc(UMB_TOP >> 4, REG16(BX), 0)) != -1) {
11251: REG16(AX) = seg;
11252: } else {
11253: REG16(AX) = 0x08;
11254: REG16(BX) = msdos_mem_get_free(UMB_TOP >> 4, 0);
11255: m_CF = 1;
11256: }
11257: } else if((malloc_strategy & 0xf0) == 0x80) {
11258: if((seg = msdos_mem_alloc(UMB_TOP >> 4, REG16(BX), 0)) != -1) {
11259: REG16(AX) = seg;
11260: } else if((seg = msdos_mem_alloc(first_mcb, REG16(BX), 0)) != -1) {
11261: REG16(AX) = seg;
11262: } else {
11263: REG16(AX) = 0x08;
11264: REG16(BX) = max(msdos_mem_get_free(UMB_TOP >> 4, 0), msdos_mem_get_free(first_mcb, 0));
11265: m_CF = 1;
11266: }
1.1 root 11267: }
11268: }
11269:
11270: inline void msdos_int_21h_49h()
11271: {
1.1.1.14 root 11272: int mcb_seg = SREG(ES) - 1;
11273: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
11274:
11275: if(mcb->mz == 'M' || mcb->mz == 'Z') {
11276: msdos_mem_free(SREG(ES));
11277: } else {
1.1.1.33 root 11278: REG16(AX) = 0x09; // illegal memory block address
1.1.1.14 root 11279: m_CF = 1;
11280: }
1.1 root 11281: }
11282:
11283: inline void msdos_int_21h_4ah()
11284: {
1.1.1.14 root 11285: int mcb_seg = SREG(ES) - 1;
11286: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1 root 11287: int max_paragraphs;
11288:
1.1.1.14 root 11289: if(mcb->mz == 'M' || mcb->mz == 'Z') {
11290: if(msdos_mem_realloc(SREG(ES), REG16(BX), &max_paragraphs)) {
11291: REG16(AX) = 0x08;
11292: REG16(BX) = max_paragraphs > 0x7fff && limit_max_memory ? 0x7fff : max_paragraphs;
11293: m_CF = 1;
11294: }
11295: } else {
1.1.1.33 root 11296: REG16(AX) = 0x09; // illegal memory block address
1.1.1.3 root 11297: m_CF = 1;
1.1 root 11298: }
11299: }
11300:
11301: inline void msdos_int_21h_4bh()
11302: {
1.1.1.3 root 11303: char *command = (char *)(mem + SREG_BASE(DS) + REG16(DX));
11304: param_block_t *param = (param_block_t *)(mem + SREG_BASE(ES) + REG16(BX));
1.1 root 11305:
11306: switch(REG8(AL)) {
11307: case 0x00:
11308: case 0x01:
11309: if(msdos_process_exec(command, param, REG8(AL))) {
11310: REG16(AX) = 0x02;
1.1.1.3 root 11311: m_CF = 1;
1.1 root 11312: }
11313: break;
1.1.1.14 root 11314: case 0x03:
11315: {
11316: int fd;
11317: if((fd = _open(command, _O_RDONLY | _O_BINARY)) == -1) {
11318: REG16(AX) = 0x02;
11319: m_CF = 1;
11320: break;
11321: }
11322: int size = _read(fd, file_buffer, sizeof(file_buffer));
11323: _close(fd);
11324:
11325: UINT16 *overlay = (UINT16 *)param;
11326:
11327: // check exe header
11328: exe_header_t *header = (exe_header_t *)file_buffer;
11329: int header_size = 0;
11330: if(header->mz == 0x4d5a || header->mz == 0x5a4d) {
11331: header_size = header->header_size * 16;
11332: // relocation
11333: int start_seg = overlay[1];
11334: for(int i = 0; i < header->relocations; i++) {
11335: int ofs = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 0);
11336: int seg = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 2);
11337: *(UINT16 *)(file_buffer + header_size + (seg << 4) + ofs) += start_seg;
11338: }
11339: }
11340: memcpy(mem + (overlay[0] << 4), file_buffer + header_size, size - header_size);
11341: }
11342: break;
1.1.1.43 root 11343: case 0xfd:
11344: case 0xfe:
11345: // unknown function called in FreeCOM
11346: REG16(AX) = 0x01;
11347: m_CF = 1;
11348: break;
1.1 root 11349: default:
1.1.1.22 root 11350: 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 11351: REG16(AX) = 0x01;
1.1.1.3 root 11352: m_CF = 1;
1.1 root 11353: break;
11354: }
11355: }
11356:
11357: inline void msdos_int_21h_4ch()
11358: {
11359: msdos_process_terminate(current_psp, REG8(AL), 1);
11360: }
11361:
11362: inline void msdos_int_21h_4dh()
11363: {
11364: REG16(AX) = retval;
11365: }
11366:
11367: inline void msdos_int_21h_4eh()
11368: {
11369: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 11370: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
11371: find_t *find = (find_t *)(mem + dta_laddr);
1.1.1.45! root 11372: const char *path = msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 11373: WIN32_FIND_DATA fd;
11374:
1.1.1.14 root 11375: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, LFN_DTA_LADDR);
11376: find->find_magic = FIND_MAGIC;
11377: find->dta_index = dtainfo - dtalist;
1.1 root 11378: strcpy(process->volume_label, msdos_volume_label(path));
1.1.1.14 root 11379: dtainfo->allowable_mask = REG8(CL);
11380: bool label_only = (dtainfo->allowable_mask == 8);
1.1 root 11381:
1.1.1.14 root 11382: if((dtainfo->allowable_mask & 8) && !msdos_match_volume_label(path, msdos_short_volume_label(process->volume_label))) {
11383: dtainfo->allowable_mask &= ~8;
1.1 root 11384: }
1.1.1.14 root 11385: if(!label_only && (dtainfo->find_handle = FindFirstFile(path, &fd)) != INVALID_HANDLE_VALUE) {
11386: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 11387: !msdos_find_file_has_8dot3name(&fd)) {
11388: if(!FindNextFile(dtainfo->find_handle, &fd)) {
11389: FindClose(dtainfo->find_handle);
11390: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 11391: break;
11392: }
11393: }
11394: }
1.1.1.13 root 11395: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 11396: find->attrib = (UINT8)(fd.dwFileAttributes & 0x3f);
11397: msdos_find_file_conv_local_time(&fd);
11398: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->date, &find->time);
11399: find->size = fd.nFileSizeLow;
1.1.1.13 root 11400: strcpy(find->name, msdos_short_name(&fd));
1.1 root 11401: REG16(AX) = 0;
1.1.1.14 root 11402: } else if(dtainfo->allowable_mask & 8) {
1.1 root 11403: find->attrib = 8;
11404: find->size = 0;
11405: strcpy(find->name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 11406: dtainfo->allowable_mask &= ~8;
1.1 root 11407: REG16(AX) = 0;
11408: } else {
11409: REG16(AX) = 0x12; // NOTE: return 0x02 if file path is invalid
1.1.1.3 root 11410: m_CF = 1;
1.1 root 11411: }
11412: }
11413:
11414: inline void msdos_int_21h_4fh()
11415: {
11416: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 11417: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
11418: find_t *find = (find_t *)(mem + dta_laddr);
1.1 root 11419: WIN32_FIND_DATA fd;
11420:
1.1.1.14 root 11421: if(find->find_magic != FIND_MAGIC || find->dta_index >= MAX_DTAINFO) {
11422: REG16(AX) = 0x12;
11423: m_CF = 1;
11424: return;
11425: }
11426: dtainfo_t *dtainfo = &dtalist[find->dta_index];
1.1.1.13 root 11427: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
11428: if(FindNextFile(dtainfo->find_handle, &fd)) {
1.1.1.14 root 11429: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 11430: !msdos_find_file_has_8dot3name(&fd)) {
11431: if(!FindNextFile(dtainfo->find_handle, &fd)) {
11432: FindClose(dtainfo->find_handle);
11433: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 11434: break;
11435: }
11436: }
11437: } else {
1.1.1.13 root 11438: FindClose(dtainfo->find_handle);
11439: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 11440: }
11441: }
1.1.1.13 root 11442: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 11443: find->attrib = (UINT8)(fd.dwFileAttributes & 0x3f);
11444: msdos_find_file_conv_local_time(&fd);
11445: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->date, &find->time);
11446: find->size = fd.nFileSizeLow;
1.1.1.13 root 11447: strcpy(find->name, msdos_short_name(&fd));
1.1 root 11448: REG16(AX) = 0;
1.1.1.14 root 11449: } else if(dtainfo->allowable_mask & 8) {
1.1 root 11450: find->attrib = 8;
11451: find->size = 0;
11452: strcpy(find->name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 11453: dtainfo->allowable_mask &= ~8;
1.1 root 11454: REG16(AX) = 0;
11455: } else {
11456: REG16(AX) = 0x12;
1.1.1.3 root 11457: m_CF = 1;
1.1 root 11458: }
11459: }
11460:
11461: inline void msdos_int_21h_50h()
11462: {
1.1.1.8 root 11463: if(current_psp != REG16(BX)) {
11464: process_t *process = msdos_process_info_get(current_psp);
11465: if(process != NULL) {
11466: process->psp = REG16(BX);
11467: }
11468: current_psp = REG16(BX);
1.1.1.23 root 11469: msdos_sda_update(current_psp);
1.1.1.8 root 11470: }
1.1 root 11471: }
11472:
11473: inline void msdos_int_21h_51h()
11474: {
11475: REG16(BX) = current_psp;
11476: }
11477:
11478: inline void msdos_int_21h_52h()
11479: {
1.1.1.25 root 11480: SREG(ES) = DOS_INFO_TOP >> 4;
1.1.1.3 root 11481: i386_load_segment_descriptor(ES);
1.1.1.25 root 11482: REG16(BX) = offsetof(dos_info_t, first_dpb);
1.1 root 11483: }
11484:
1.1.1.43 root 11485: inline void msdos_int_21h_53h()
11486: {
11487: dpb_t *dpb = (dpb_t *)(mem + SREG_BASE(ES) + REG16(BP));
11488: bpb_t *bpb = (bpb_t *)(mem + SREG_BASE(DS) + REG16(SI));
11489:
11490: dpb->bytes_per_sector = bpb->bytes_per_sector;
11491: dpb->highest_sector_num = bpb->sectors_per_track - 1;
11492: dpb->shift_count = 0;
11493: dpb->reserved_sectors = 0;
11494: dpb->fat_num = bpb->fat_num;
11495: dpb->root_entries = bpb->root_entries;
11496: dpb->first_data_sector = 0;
11497: if(bpb->sectors_per_cluster != 0) {
11498: dpb->highest_cluster_num = (UINT16)(((REG16(CX) == 0x4558 && bpb->total_sectors == 0) ? bpb->ext_total_sectors : bpb->total_sectors) / bpb->sectors_per_cluster + 1);
11499: } else {
11500: dpb->highest_cluster_num = 0;
11501: }
11502: dpb->sectors_per_fat = (REG16(CX) == 0x4558 && bpb->sectors_per_fat == 0) ? bpb->ext_sectors_per_fat : bpb->sectors_per_fat;
11503: dpb->first_dir_sector = 0;
11504: dpb->device_driver_header = 0;
11505: dpb->media_type = bpb->media_type;
11506: dpb->drive_accessed = 0;
11507: dpb->next_dpb_ofs = 0xffff;
11508: dpb->next_dpb_seg = 0xffff;
11509: dpb->first_free_cluster = 0;
11510: dpb->free_clusters = 0xffff;
11511: }
11512:
1.1 root 11513: inline void msdos_int_21h_54h()
11514: {
11515: process_t *process = msdos_process_info_get(current_psp);
11516:
11517: REG8(AL) = process->verify;
11518: }
11519:
11520: inline void msdos_int_21h_55h()
11521: {
11522: psp_t *psp = (psp_t *)(mem + (REG16(DX) << 4));
11523:
11524: memcpy(mem + (REG16(DX) << 4), mem + (current_psp << 4), sizeof(psp_t));
11525: psp->int_22h.dw = *(UINT32 *)(mem + 4 * 0x22);
11526: psp->int_23h.dw = *(UINT32 *)(mem + 4 * 0x23);
11527: psp->int_24h.dw = *(UINT32 *)(mem + 4 * 0x24);
11528: psp->parent_psp = current_psp;
11529: }
11530:
11531: inline void msdos_int_21h_56h(int lfn)
11532: {
11533: char src[MAX_PATH], dst[MAX_PATH];
1.1.1.3 root 11534: strcpy(src, msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn));
11535: strcpy(dst, msdos_trimmed_path((char *)(mem + SREG_BASE(ES) + REG16(DI)), lfn));
1.1 root 11536:
11537: if(rename(src, dst)) {
11538: REG16(AX) = errno;
1.1.1.3 root 11539: m_CF = 1;
1.1 root 11540: }
11541: }
11542:
11543: inline void msdos_int_21h_57h()
11544: {
11545: FILETIME time, local;
1.1.1.14 root 11546: FILETIME *ctime, *atime, *mtime;
1.1.1.21 root 11547: HANDLE hHandle;
1.1 root 11548:
1.1.1.21 root 11549: if((hHandle = (HANDLE)_get_osfhandle(REG16(BX))) == INVALID_HANDLE_VALUE) {
1.1.1.14 root 11550: REG16(AX) = (UINT16)GetLastError();
11551: m_CF = 1;
11552: return;
11553: }
11554: ctime = atime = mtime = NULL;
11555:
1.1 root 11556: switch(REG8(AL)) {
11557: case 0x00:
1.1.1.6 root 11558: case 0x01:
1.1.1.14 root 11559: mtime = &time;
1.1.1.6 root 11560: break;
11561: case 0x04:
11562: case 0x05:
1.1.1.14 root 11563: atime = &time;
1.1 root 11564: break;
1.1.1.6 root 11565: case 0x06:
11566: case 0x07:
1.1.1.14 root 11567: ctime = &time;
11568: break;
11569: default:
1.1.1.22 root 11570: 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 11571: REG16(AX) = 0x01;
11572: m_CF = 1;
11573: return;
11574: }
11575: if(REG8(AL) & 1) {
1.1 root 11576: DosDateTimeToFileTime(REG16(DX), REG16(CX), &local);
11577: LocalFileTimeToFileTime(&local, &time);
1.1.1.21 root 11578: if(!SetFileTime(hHandle, ctime, atime, mtime)) {
1.1 root 11579: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 11580: m_CF = 1;
1.1 root 11581: }
1.1.1.14 root 11582: } else {
1.1.1.21 root 11583: if(!GetFileTime(hHandle, ctime, atime, mtime)) {
1.1.1.14 root 11584: // assume a device and use the current time
11585: GetSystemTimeAsFileTime(&time);
11586: }
11587: FileTimeToLocalFileTime(&time, &local);
11588: FileTimeToDosDateTime(&local, ®16(DX), ®16(CX));
1.1 root 11589: }
11590: }
11591:
11592: inline void msdos_int_21h_58h()
11593: {
11594: switch(REG8(AL)) {
11595: case 0x00:
1.1.1.7 root 11596: REG16(AX) = malloc_strategy;
11597: break;
11598: case 0x01:
1.1.1.24 root 11599: // switch(REG16(BX)) {
11600: switch(REG8(BL)) {
1.1.1.7 root 11601: case 0x0000:
11602: case 0x0001:
11603: case 0x0002:
11604: case 0x0040:
11605: case 0x0041:
11606: case 0x0042:
11607: case 0x0080:
11608: case 0x0081:
11609: case 0x0082:
11610: malloc_strategy = REG16(BX);
1.1.1.23 root 11611: msdos_sda_update(current_psp);
1.1.1.7 root 11612: break;
11613: default:
1.1.1.22 root 11614: 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 11615: REG16(AX) = 0x01;
11616: m_CF = 1;
11617: break;
11618: }
11619: break;
11620: case 0x02:
1.1.1.19 root 11621: REG8(AL) = msdos_mem_get_umb_linked() ? 1 : 0;
1.1.1.7 root 11622: break;
11623: case 0x03:
1.1.1.24 root 11624: // switch(REG16(BX)) {
11625: switch(REG8(BL)) {
1.1.1.7 root 11626: case 0x0000:
1.1.1.19 root 11627: msdos_mem_unlink_umb();
11628: break;
1.1.1.7 root 11629: case 0x0001:
1.1.1.19 root 11630: msdos_mem_link_umb();
1.1.1.7 root 11631: break;
11632: default:
1.1.1.22 root 11633: 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 11634: REG16(AX) = 0x01;
11635: m_CF = 1;
11636: break;
11637: }
1.1 root 11638: break;
11639: default:
1.1.1.22 root 11640: 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 11641: REG16(AX) = 0x01;
1.1.1.3 root 11642: m_CF = 1;
1.1 root 11643: break;
11644: }
11645: }
11646:
11647: inline void msdos_int_21h_59h()
11648: {
1.1.1.23 root 11649: sda_t *sda = (sda_t *)(mem + SDA_TOP);
11650:
11651: REG16(AX) = sda->extended_error_code;
1.1.1.43 root 11652: REG8(BL) = sda->suggested_action;
11653: REG8(BH) = sda->error_class;
11654: REG8(CL) = sda->byte_reserved_1;
11655: REG8(CH) = sda->locus_of_last_error;
11656: REG16(DX) = sda->word_reserved_1;
11657: REG16(SI) = sda->word_reserved_2;
11658: REG16(DI) = sda->last_error_pointer.w.l;
11659: SREG(DS) = sda->word_reserved_3;
11660: i386_load_segment_descriptor(DS);
11661: SREG(ES) = sda->last_error_pointer.w.h;
11662: i386_load_segment_descriptor(ES);
1.1 root 11663: }
11664:
11665: inline void msdos_int_21h_5ah()
11666: {
1.1.1.3 root 11667: char *path = (char *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 11668: int len = strlen(path);
11669: char tmp[MAX_PATH];
11670:
11671: if(GetTempFileName(path, "TMP", 0, tmp)) {
11672: int fd = _open(tmp, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
11673:
11674: SetFileAttributes(tmp, msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY);
11675: REG16(AX) = fd;
11676: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_drive_number(path), current_psp);
1.1.1.20 root 11677: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 11678:
11679: strcpy(path, tmp);
11680: int dx = REG16(DX) + len;
1.1.1.3 root 11681: int ds = SREG(DS);
1.1 root 11682: while(dx > 0xffff) {
11683: dx -= 0x10;
11684: ds++;
11685: }
11686: REG16(DX) = dx;
1.1.1.3 root 11687: SREG(DS) = ds;
11688: i386_load_segment_descriptor(DS);
1.1 root 11689: } else {
11690: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 11691: m_CF = 1;
1.1 root 11692: }
11693: }
11694:
11695: inline void msdos_int_21h_5bh()
11696: {
1.1.1.45! root 11697: const char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 11698:
1.1.1.45! root 11699: // if(msdos_is_existing_file(path)) {
! 11700: if(msdos_is_device_path(path) || msdos_is_existing_file(path)) {
1.1 root 11701: // already exists
11702: REG16(AX) = 0x50;
1.1.1.3 root 11703: m_CF = 1;
1.1 root 11704: } else {
11705: int fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
11706:
11707: if(fd != -1) {
11708: SetFileAttributes(path, msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY);
11709: REG16(AX) = fd;
11710: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_drive_number(path), current_psp);
1.1.1.20 root 11711: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 11712: } else {
11713: REG16(AX) = errno;
1.1.1.3 root 11714: m_CF = 1;
1.1 root 11715: }
11716: }
11717: }
11718:
11719: inline void msdos_int_21h_5ch()
11720: {
11721: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 11722: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 11723:
1.1.1.20 root 11724: if(fd < process->max_files && file_handler[fd].valid) {
1.1 root 11725: if(REG8(AL) == 0 || REG8(AL) == 1) {
1.1.1.35 root 11726: static const int modes[2] = {_LK_LOCK, _LK_UNLCK};
1.1.1.20 root 11727: UINT32 pos = _tell(fd);
11728: _lseek(fd, (REG16(CX) << 16) | REG16(DX), SEEK_SET);
11729: if(_locking(fd, modes[REG8(AL)], (REG16(SI) << 16) | REG16(DI))) {
1.1 root 11730: REG16(AX) = errno;
1.1.1.3 root 11731: m_CF = 1;
1.1 root 11732: }
1.1.1.20 root 11733: _lseek(fd, pos, SEEK_SET);
1.1.1.26 root 11734:
1.1 root 11735: // some seconds may be passed in _locking()
1.1.1.35 root 11736: REQUEST_HARDWRE_UPDATE();
1.1 root 11737: } else {
11738: REG16(AX) = 0x01;
1.1.1.3 root 11739: m_CF = 1;
1.1 root 11740: }
11741: } else {
11742: REG16(AX) = 0x06;
1.1.1.3 root 11743: m_CF = 1;
1.1 root 11744: }
11745: }
11746:
1.1.1.22 root 11747: inline void msdos_int_21h_5dh()
11748: {
11749: switch(REG8(AL)) {
1.1.1.45! root 11750: case 0x00:
! 11751: if(*(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x12) == 0x0000) {
! 11752: // current system
! 11753: static bool reenter = false;
! 11754: if(!reenter) {
! 11755: UINT32 offset = SREG_BASE(DS) + REG16(DX);
! 11756: REG16(AX) = *(UINT16 *)(mem + offset + 0x00);
! 11757: REG16(BX) = *(UINT16 *)(mem + offset + 0x02);
! 11758: REG16(CX) = *(UINT16 *)(mem + offset + 0x04);
! 11759: REG16(DX) = *(UINT16 *)(mem + offset + 0x06);
! 11760: REG16(SI) = *(UINT16 *)(mem + offset + 0x08);
! 11761: REG16(DI) = *(UINT16 *)(mem + offset + 0x0a);
! 11762: SREG(DS) = *(UINT16 *)(mem + offset + 0x0c);
! 11763: SREG(ES) = *(UINT16 *)(mem + offset + 0x0e);
! 11764: i386_load_segment_descriptor(DS);
! 11765: i386_load_segment_descriptor(ES);
! 11766: reenter = true;
! 11767: try {
! 11768: msdos_syscall(0x21);
! 11769: } catch(...) {
! 11770: }
! 11771: reenter = false;
! 11772: }
! 11773: } else {
! 11774: REG16(AX) = 0x49; // network software not installed
! 11775: m_CF = 1;
! 11776: }
! 11777: break;
1.1.1.22 root 11778: case 0x06: // get address of dos swappable data area
1.1.1.23 root 11779: SREG(DS) = (SDA_TOP >> 4);
11780: i386_load_segment_descriptor(DS);
11781: REG16(SI) = offsetof(sda_t, crit_error_flag);
11782: REG16(CX) = 0x80;
11783: REG16(DX) = 0x1a;
11784: break;
1.1.1.45! root 11785: case 0x07: // get redirected printer mode
! 11786: case 0x08: // set redirected printer mode
! 11787: case 0x09: // flush redirected printer output
! 11788: REG16(AX) = 0x49; // network software not installed
! 11789: m_CF = 1;
! 11790: break;
1.1.1.43 root 11791: case 0x0a: // set extended error information
11792: {
11793: sda_t *sda = (sda_t *)(mem + SDA_TOP);
11794: sda->extended_error_code = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x00); // AX
11795: sda->suggested_action = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x02); // BL
11796: sda->error_class = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x03); // BH
11797: sda->byte_reserved_1 = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x04); // CL
11798: sda->locus_of_last_error = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x05); // CH
11799: sda->word_reserved_1 = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x06); // DX
11800: sda->word_reserved_2 = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x08); // SI
11801: sda->last_error_pointer.w.l = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0a); // DI
11802: sda->word_reserved_3 = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0c); // DS
11803: sda->last_error_pointer.w.h = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0e); // ES
11804: }
11805: break;
1.1.1.23 root 11806: case 0x0b: // get dos swappable data areas
1.1.1.22 root 11807: REG16(AX) = 0x01;
11808: m_CF = 1;
11809: break;
11810: default:
11811: 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));
11812: REG16(AX) = 0x01;
11813: m_CF = 1;
11814: break;
11815: }
11816: }
11817:
1.1.1.42 root 11818: inline void msdos_int_21h_5eh()
11819: {
11820: switch(REG8(AL)) {
11821: case 0x00:
11822: {
11823: char name[256] = {0};
11824: DWORD dwSize = 256;
11825:
11826: if(GetComputerName(name, &dwSize)) {
11827: char *dest = (char *)(mem + SREG_BASE(DS) + REG16(DX));
11828: for(int i = 0; i < 15; i++) {
11829: dest[i] = (i < strlen(name)) ? name[i] : ' ';
11830: }
11831: dest[15] = '\0';
11832: REG8(CH) = 0x01; // nonzero valid
11833: REG8(CL) = 0x01; // NetBIOS number for machine name ???
11834: } else {
11835: REG16(AX) = 0x01;
11836: m_CF = 1;
11837: }
11838: }
11839: break;
11840: default:
1.1.1.45! root 11841: // 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));
! 11842: // REG16(AX) = 0x01;
! 11843: REG16(AX) = 0x49; // network software not installed
1.1.1.42 root 11844: m_CF = 1;
11845: break;
11846: }
11847: }
11848:
1.1.1.30 root 11849: inline void msdos_int_21h_5fh()
11850: {
11851: switch(REG8(AL)) {
1.1.1.42 root 11852: case 0x05:
1.1.1.44 root 11853: REG16(BP) = 0;
11854: for(int i = 0; i < 26; i++) {
11855: if(msdos_is_remote_drive(i)) {
11856: REG16(BP)++;
1.1.1.42 root 11857: }
11858: }
1.1.1.30 root 11859: case 0x02:
1.1.1.44 root 11860: for(int i = 0, index = 0; i < 26; i++) {
11861: if(msdos_is_remote_drive(i)) {
11862: if(index == REG16(BX)) {
11863: char volume[] = "A:";
1.1.1.30 root 11864: volume[0] = 'A' + i;
1.1.1.44 root 11865: DWORD dwSize = 128;
11866: strcpy((char *)(mem + SREG_BASE(DS) + REG16(SI)), volume);
11867: WNetGetConnection(volume, (char *)(mem + SREG_BASE(ES) + REG16(DI)), &dwSize);
11868: REG8(BH) = 0x00; // valid
11869: REG8(BL) = 0x04; // disk drive
11870: REG16(CX) = 0x00; // LANtastic
11871: return;
1.1.1.30 root 11872: }
1.1.1.44 root 11873: index++;
1.1.1.30 root 11874: }
11875: }
11876: REG16(AX) = 0x12; // no more files
11877: m_CF = 1;
11878: break;
1.1.1.44 root 11879: case 0x07:
11880: if(msdos_is_valid_drive(REG8(DL))) {
11881: msdos_cds_update(REG8(DL));
11882: } else {
11883: REG16(AX) = 0x0f; // invalid drive
11884: m_CF = 1;
11885: }
11886: break;
11887: case 0x08:
11888: if(msdos_is_valid_drive(REG8(DL))) {
11889: cds_t *cds = (cds_t *)(mem + CDS_TOP + 88 * REG8(DL));
11890: cds->drive_attrib = 0x0000;
11891: } else {
11892: REG16(AX) = 0x0f; // invalid drive
11893: m_CF = 1;
11894: }
11895: break;
1.1.1.30 root 11896: default:
1.1.1.45! root 11897: // 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));
! 11898: // REG16(AX) = 0x01;
! 11899: REG16(AX) = 0x49; // network software not installed
1.1.1.30 root 11900: m_CF = 1;
11901: break;
11902: }
11903: }
11904:
1.1 root 11905: inline void msdos_int_21h_60h(int lfn)
11906: {
1.1.1.45! root 11907: char full[MAX_PATH];
! 11908: const char *path = NULL;
1.1.1.14 root 11909:
1.1 root 11910: if(lfn) {
1.1.1.14 root 11911: char *name;
11912: *full = '\0';
1.1.1.3 root 11913: GetFullPathName((char *)(mem + SREG_BASE(DS) + REG16(SI)), MAX_PATH, full, &name);
1.1.1.14 root 11914: switch(REG8(CL)) {
11915: case 1:
11916: GetShortPathName(full, full, MAX_PATH);
11917: my_strupr(full);
11918: break;
11919: case 2:
11920: GetLongPathName(full, full, MAX_PATH);
11921: break;
11922: }
11923: path = full;
11924: } else {
11925: path = msdos_short_full_path((char *)(mem + SREG_BASE(DS) + REG16(SI)));
11926: }
11927: if(*path != '\0') {
11928: strcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), path);
1.1 root 11929: } else {
1.1.1.14 root 11930: REG16(AX) = (UINT16)GetLastError();
11931: m_CF = 1;
1.1 root 11932: }
11933: }
11934:
11935: inline void msdos_int_21h_61h()
11936: {
11937: REG8(AL) = 0;
11938: }
11939:
11940: inline void msdos_int_21h_62h()
11941: {
11942: REG16(BX) = current_psp;
11943: }
11944:
11945: inline void msdos_int_21h_63h()
11946: {
11947: switch(REG8(AL)) {
11948: case 0x00:
1.1.1.3 root 11949: SREG(DS) = (DBCS_TABLE >> 4);
11950: i386_load_segment_descriptor(DS);
1.1 root 11951: REG16(SI) = (DBCS_TABLE & 0x0f);
11952: REG8(AL) = 0x00;
11953: break;
1.1.1.22 root 11954: case 0x01: // set korean input mode
11955: case 0x02: // get korean input mode
11956: REG8(AL) = 0xff; // not supported
11957: break;
1.1 root 11958: default:
1.1.1.22 root 11959: 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 11960: REG16(AX) = 0x01;
1.1.1.3 root 11961: m_CF = 1;
1.1 root 11962: break;
11963: }
11964: }
11965:
1.1.1.25 root 11966: UINT16 get_extended_country_info(UINT8 func)
1.1 root 11967: {
1.1.1.25 root 11968: switch(func) {
1.1.1.17 root 11969: case 0x01:
11970: if(REG16(CX) >= 5) {
1.1.1.19 root 11971: UINT8 data[1 + 2 + 2 + 2 + sizeof(country_info_t)];
1.1.1.17 root 11972: if(REG16(CX) > sizeof(data)) // cx = actual transfer size
11973: REG16(CX) = sizeof(data);
11974: ZeroMemory(data, sizeof(data));
11975: data[0] = 0x01;
11976: *(UINT16 *)(data + 1) = REG16(CX) - 3;
1.1.1.19 root 11977: *(UINT16 *)(data + 3) = get_country_info((country_info_t*)(data + 7));
1.1.1.17 root 11978: *(UINT16 *)(data + 5) = active_code_page;
11979: memcpy(mem + SREG_BASE(ES) + REG16(DI), data, REG16(CX));
1.1.1.25 root 11980: // REG16(AX) = active_code_page;
1.1.1.17 root 11981: } else {
1.1.1.25 root 11982: return(0x08); // insufficient memory
1.1.1.17 root 11983: }
11984: break;
11985: case 0x02:
11986: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x02;
11987: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (UPPERTABLE_TOP & 0x0f);
11988: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (UPPERTABLE_TOP >> 4);
1.1.1.25 root 11989: // REG16(AX) = active_code_page;
1.1.1.17 root 11990: REG16(CX) = 0x05;
11991: break;
1.1.1.23 root 11992: case 0x03:
11993: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x02;
11994: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (LOWERTABLE_TOP & 0x0f);
11995: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (LOWERTABLE_TOP >> 4);
1.1.1.25 root 11996: // REG16(AX) = active_code_page;
1.1.1.23 root 11997: REG16(CX) = 0x05;
11998: break;
1.1.1.17 root 11999: case 0x04:
12000: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x04;
12001: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (FILENAME_UPPERTABLE_TOP & 0x0f);
12002: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (FILENAME_UPPERTABLE_TOP >> 4);
1.1.1.25 root 12003: // REG16(AX) = active_code_page;
1.1.1.17 root 12004: REG16(CX) = 0x05;
12005: break;
12006: case 0x05:
12007: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x05;
12008: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (FILENAME_TERMINATOR_TOP & 0x0f);
12009: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (FILENAME_TERMINATOR_TOP >> 4);
1.1.1.25 root 12010: // REG16(AX) = active_code_page;
1.1.1.17 root 12011: REG16(CX) = 0x05;
12012: break;
12013: case 0x06:
12014: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x06;
12015: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (COLLATING_TABLE_TOP & 0x0f);
12016: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (COLLATING_TABLE_TOP >> 4);
1.1.1.25 root 12017: // REG16(AX) = active_code_page;
1.1.1.17 root 12018: REG16(CX) = 0x05;
12019: break;
1.1 root 12020: case 0x07:
1.1.1.3 root 12021: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x07;
12022: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (DBCS_TOP & 0x0f);
12023: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (DBCS_TOP >> 4);
1.1.1.25 root 12024: // REG16(AX) = active_code_page;
1.1 root 12025: REG16(CX) = 0x05;
12026: break;
1.1.1.25 root 12027: default:
12028: return(0x01); // function number invalid
12029: }
12030: return(0x00);
12031: }
12032:
12033: inline void msdos_int_21h_65h()
12034: {
12035: char tmp[0x10000];
12036:
12037: switch(REG8(AL)) {
1.1.1.43 root 12038: case 0x00:
12039: if(REG16(CX) >= 7) {
12040: set_country_info((country_info_t *)(mem + SREG_BASE(ES) + REG16(DI)), REG16(CX) - 7);
12041: REG16(AX) = system_code_page;
12042: } else {
12043: REG16(AX) = 0x0c;
12044: m_CF = 1;
12045: }
12046: break;
1.1.1.25 root 12047: case 0x01:
12048: case 0x02:
12049: case 0x03:
12050: case 0x04:
12051: case 0x05:
12052: case 0x06:
12053: case 0x07:
12054: {
12055: UINT16 result = get_extended_country_info(REG8(AL));
12056: if(result) {
12057: REG16(AX) = result;
12058: m_CF = 1;
12059: } else {
12060: REG16(AX) = active_code_page; // FIXME: is this correct???
12061: }
12062: }
12063: break;
1.1 root 12064: case 0x20:
1.1.1.25 root 12065: case 0xa0:
1.1.1.19 root 12066: memset(tmp, 0, sizeof(tmp));
12067: tmp[0] = REG8(DL);
1.1 root 12068: my_strupr(tmp);
12069: REG8(DL) = tmp[0];
12070: break;
12071: case 0x21:
1.1.1.25 root 12072: case 0xa1:
1.1 root 12073: memset(tmp, 0, sizeof(tmp));
1.1.1.3 root 12074: memcpy(tmp, mem + SREG_BASE(DS) + REG16(DX), REG16(CX));
1.1 root 12075: my_strupr(tmp);
1.1.1.3 root 12076: memcpy(mem + SREG_BASE(DS) + REG16(DX), tmp, REG16(CX));
1.1 root 12077: break;
12078: case 0x22:
1.1.1.25 root 12079: case 0xa2:
1.1.1.3 root 12080: my_strupr((char *)(mem + SREG_BASE(DS) + REG16(DX)));
1.1 root 12081: break;
1.1.1.25 root 12082: case 0x23:
12083: // FIXME: need to check multi-byte (kanji) charactre?
1.1.1.45! root 12084: if(REG8(DL) == 'N' || REG8(DL) == 'n' || (REG8(DL) == 0x82 && REG8(DH) == 0x6d) || (REG8(DL) == 0x82 && REG8(DH) == 0x8e)) {
1.1.1.25 root 12085: // 826dh/828eh: multi-byte (kanji) N and n
1.1.1.45! root 12086: REG16(AX) = 0x00;
! 12087: } else if(REG8(DL) == 'Y' || REG8(DL) == 'y' || (REG8(DL) == 0x82 && REG8(DH) == 0x78) || (REG8(DL) == 0x82 && REG8(DH) == 0x99)) {
! 12088: // 8278h/8299h: multi-byte (kanji) Y and y
1.1.1.25 root 12089: REG16(AX) = 0x01;
12090: } else {
12091: REG16(AX) = 0x02;
12092: }
12093: break;
1.1 root 12094: default:
1.1.1.22 root 12095: 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 12096: REG16(AX) = 0x01;
1.1.1.3 root 12097: m_CF = 1;
1.1 root 12098: break;
12099: }
12100: }
12101:
12102: inline void msdos_int_21h_66h()
12103: {
12104: switch(REG8(AL)) {
12105: case 0x01:
12106: REG16(BX) = active_code_page;
12107: REG16(DX) = system_code_page;
12108: break;
12109: case 0x02:
12110: if(active_code_page == REG16(BX)) {
12111: REG16(AX) = 0xeb41;
12112: } else if(_setmbcp(REG16(BX)) == 0) {
12113: active_code_page = REG16(BX);
1.1.1.17 root 12114: msdos_nls_tables_update();
1.1 root 12115: REG16(AX) = 0xeb41;
1.1.1.32 root 12116: SetConsoleCP(active_code_page);
12117: SetConsoleOutputCP(active_code_page);
1.1 root 12118: } else {
12119: REG16(AX) = 0x25;
1.1.1.3 root 12120: m_CF = 1;
1.1 root 12121: }
12122: break;
12123: default:
1.1.1.22 root 12124: 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 12125: REG16(AX) = 0x01;
1.1.1.3 root 12126: m_CF = 1;
1.1 root 12127: break;
12128: }
12129: }
12130:
12131: inline void msdos_int_21h_67h()
12132: {
12133: process_t *process = msdos_process_info_get(current_psp);
12134:
12135: if(REG16(BX) <= MAX_FILES) {
12136: process->max_files = max(REG16(BX), 20);
12137: } else {
12138: REG16(AX) = 0x08;
1.1.1.3 root 12139: m_CF = 1;
1.1 root 12140: }
12141: }
12142:
12143: inline void msdos_int_21h_68h()
12144: {
12145: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 12146: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 12147:
1.1.1.20 root 12148: if(fd < process->max_files && file_handler[fd].valid) {
12149: // fflush(_fdopen(fd, ""));
1.1 root 12150: } else {
12151: REG16(AX) = 0x06;
1.1.1.3 root 12152: m_CF = 1;
1.1 root 12153: }
12154: }
12155:
12156: inline void msdos_int_21h_69h()
12157: {
1.1.1.3 root 12158: drive_info_t *info = (drive_info_t *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 12159: char path[] = "A:\\";
12160: char volume_label[MAX_PATH];
12161: DWORD serial_number = 0;
12162: char file_system[MAX_PATH];
12163:
12164: if(REG8(BL) == 0) {
12165: path[0] = 'A' + _getdrive() - 1;
12166: } else {
12167: path[0] = 'A' + REG8(BL) - 1;
12168: }
12169:
12170: switch(REG8(AL)) {
12171: case 0x00:
12172: if(GetVolumeInformation(path, volume_label, MAX_PATH, &serial_number, NULL, NULL, file_system, MAX_PATH)) {
12173: info->info_level = 0;
12174: info->serial_number = serial_number;
12175: memset(info->volume_label, 0x20, 11);
12176: memcpy(info->volume_label, volume_label, min(strlen(volume_label), 11));
12177: memset(info->file_system, 0x20, 8);
12178: memcpy(info->file_system, file_system, min(strlen(file_system), 8));
12179: } else {
12180: REG16(AX) = errno;
1.1.1.3 root 12181: m_CF = 1;
1.1 root 12182: }
12183: break;
12184: case 0x01:
12185: REG16(AX) = 0x03;
1.1.1.3 root 12186: m_CF = 1;
1.1.1.45! root 12187: break;
! 12188: default:
! 12189: 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));
! 12190: REG16(AX) = 0x01;
! 12191: m_CF = 1;
! 12192: break;
1.1 root 12193: }
12194: }
12195:
12196: inline void msdos_int_21h_6ah()
12197: {
12198: REG8(AH) = 0x68;
12199: msdos_int_21h_68h();
12200: }
12201:
12202: inline void msdos_int_21h_6bh()
12203: {
1.1.1.45! root 12204: REG8(AL) = 0x00;
1.1 root 12205: }
12206:
12207: inline void msdos_int_21h_6ch(int lfn)
12208: {
1.1.1.45! root 12209: const char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(SI)), lfn);
1.1 root 12210: int mode = REG8(BL) & 0x03;
12211:
12212: if(mode < 0x03) {
1.1.1.29 root 12213: if(msdos_is_device_path(path) || msdos_is_existing_file(path)) {
1.1 root 12214: // file exists
12215: if(REG8(DL) & 1) {
1.1.1.37 root 12216: int fd = -1;
12217: int sio_port = 0;
12218: int lpt_port = 0;
1.1 root 12219:
1.1.1.45! root 12220: if(msdos_is_device_path(path)) {
! 12221: fd = msdos_open_device(path, file_mode[mode].mode, &sio_port, &lpt_port);
1.1.1.11 root 12222: } else {
1.1.1.13 root 12223: fd = msdos_open(path, file_mode[mode].mode);
1.1.1.11 root 12224: }
1.1 root 12225: if(fd != -1) {
12226: REG16(AX) = fd;
12227: REG16(CX) = 1;
1.1.1.45! root 12228: msdos_file_handler_open(fd, path, _isatty(fd), mode, msdos_device_info(path), current_psp, sio_port, lpt_port);
1.1.1.20 root 12229: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 12230: } else {
12231: REG16(AX) = errno;
1.1.1.3 root 12232: m_CF = 1;
1.1 root 12233: }
12234: } else if(REG8(DL) & 2) {
12235: int attr = GetFileAttributes(path);
1.1.1.37 root 12236: int fd = -1;
12237: int sio_port = 0;
12238: int lpt_port = 0;
1.1 root 12239:
1.1.1.45! root 12240: if(msdos_is_device_path(path)) {
! 12241: fd = msdos_open_device(path, file_mode[mode].mode, &sio_port, &lpt_port);
1.1 root 12242: } else {
12243: fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
12244: }
12245: if(fd != -1) {
12246: if(attr == -1) {
12247: attr = msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY;
12248: }
12249: SetFileAttributes(path, attr);
12250: REG16(AX) = fd;
12251: REG16(CX) = 3;
1.1.1.45! root 12252: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_device_info(path), current_psp, sio_port, lpt_port);
1.1.1.20 root 12253: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 12254: } else {
12255: REG16(AX) = errno;
1.1.1.3 root 12256: m_CF = 1;
1.1 root 12257: }
12258: } else {
12259: REG16(AX) = 0x50;
1.1.1.3 root 12260: m_CF = 1;
1.1 root 12261: }
12262: } else {
12263: // file not exists
12264: if(REG8(DL) & 0x10) {
12265: int fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
12266:
12267: if(fd != -1) {
12268: SetFileAttributes(path, msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY);
12269: REG16(AX) = fd;
12270: REG16(CX) = 2;
12271: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_drive_number(path), current_psp);
1.1.1.20 root 12272: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 12273: } else {
12274: REG16(AX) = errno;
1.1.1.3 root 12275: m_CF = 1;
1.1 root 12276: }
12277: } else {
12278: REG16(AX) = 0x02;
1.1.1.3 root 12279: m_CF = 1;
1.1 root 12280: }
12281: }
12282: } else {
12283: REG16(AX) = 0x0c;
1.1.1.3 root 12284: m_CF = 1;
1.1 root 12285: }
12286: }
12287:
1.1.1.43 root 12288: inline void msdos_int_21h_70h()
12289: {
12290: switch(REG8(AL)) {
12291: case 0x02:
12292: if(REG16(CX) >= 7) {
12293: active_code_page = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 5);
12294: msdos_nls_tables_update();
12295: set_country_info((country_info_t *)(mem + SREG_BASE(DS) + REG16(SI) + 7), REG16(CX) - 7);
12296: REG16(AX) = system_code_page;
12297: } else {
12298: REG16(AX) = 0x0c;
12299: m_CF = 1;
12300: }
12301: break;
12302: default:
12303: 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));
12304: REG16(AX) = 0x01;
12305: m_CF = 1;
12306: break;
12307: }
12308: }
12309:
1.1 root 12310: inline void msdos_int_21h_710dh()
12311: {
12312: // reset drive
12313: }
12314:
1.1.1.17 root 12315: inline void msdos_int_21h_7141h(int lfn)
12316: {
12317: if(REG16(SI) == 0) {
12318: msdos_int_21h_41h(lfn);
12319: return;
12320: }
12321: if(REG16(SI) != 1) {
12322: REG16(AX) = 5;
12323: m_CF = 1;
12324: }
12325: /* wild card and matching attributes... */
12326: char tmp[MAX_PATH * 2];
12327: // copy search pathname (and quick check overrun)
12328: ZeroMemory(tmp, sizeof(tmp));
12329: tmp[MAX_PATH - 1] = '\0';
12330: tmp[MAX_PATH] = 1;
12331: strncpy(tmp, (char *)(mem + SREG_BASE(DS) + REG16(DX)), MAX_PATH);
12332:
12333: if(tmp[MAX_PATH - 1] != '\0' || tmp[MAX_PATH] != 1) {
12334: REG16(AX) = 1;
12335: m_CF = 1;
12336: return;
12337: }
12338: for(char *s = tmp; *s; ++s) {
12339: if(*s == '/') {
12340: *s = '\\';
12341: }
12342: }
12343: char *tmp_name = (char *)_mbsrchr((unsigned char *)tmp, '\\');
12344: if(tmp_name) {
12345: ++tmp_name;
12346: } else {
12347: tmp_name = strchr(tmp, ':');
12348: tmp_name = tmp_name ? tmp_name + 1 : tmp;
12349: }
12350:
12351: WIN32_FIND_DATAA fd;
12352: HANDLE fh = FindFirstFileA(tmp, &fd);
12353: if(fh == INVALID_HANDLE_VALUE) {
12354: REG16(AX) = 2;
12355: m_CF = 1;
12356: return;
12357: }
12358: do {
12359: if(msdos_find_file_check_attribute(fd.dwFileAttributes, REG8(CL), REG8(CH)) && msdos_find_file_has_8dot3name(&fd)) {
12360: strcpy(tmp_name, fd.cFileName);
12361: if(remove(msdos_trimmed_path(tmp, lfn))) {
12362: REG16(AX) = 5;
12363: m_CF = 1;
12364: break;
12365: }
12366: }
12367: } while(FindNextFileA(fh, &fd));
12368: if(!m_CF) {
12369: if(GetLastError() != ERROR_NO_MORE_FILES) {
12370: m_CF = 1;
12371: REG16(AX) = 2;
12372: }
12373: }
12374: FindClose(fh);
12375: }
12376:
1.1 root 12377: inline void msdos_int_21h_714eh()
12378: {
12379: process_t *process = msdos_process_info_get(current_psp);
1.1.1.3 root 12380: find_lfn_t *find = (find_lfn_t *)(mem + SREG_BASE(ES) + REG16(DI));
12381: char *path = (char *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 12382: WIN32_FIND_DATA fd;
12383:
1.1.1.13 root 12384: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, LFN_DTA_LADDR);
12385: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
12386: FindClose(dtainfo->find_handle);
12387: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 12388: }
12389: strcpy(process->volume_label, msdos_volume_label(path));
1.1.1.14 root 12390: dtainfo->allowable_mask = REG8(CL);
12391: dtainfo->required_mask = REG8(CH);
12392: bool label_only = (dtainfo->allowable_mask == 8);
1.1 root 12393:
1.1.1.14 root 12394: if((dtainfo->allowable_mask & 8) && !msdos_match_volume_label(path, msdos_short_volume_label(process->volume_label))) {
12395: dtainfo->allowable_mask &= ~8;
1.1 root 12396: }
1.1.1.14 root 12397: if(!label_only && (dtainfo->find_handle = FindFirstFile(path, &fd)) != INVALID_HANDLE_VALUE) {
12398: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, dtainfo->required_mask)) {
1.1.1.13 root 12399: if(!FindNextFile(dtainfo->find_handle, &fd)) {
12400: FindClose(dtainfo->find_handle);
12401: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 12402: break;
12403: }
12404: }
12405: }
1.1.1.13 root 12406: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 12407: find->attrib = fd.dwFileAttributes;
12408: msdos_find_file_conv_local_time(&fd);
12409: if(REG16(SI) == 0) {
12410: find->ctime_lo.dw = fd.ftCreationTime.dwLowDateTime;
12411: find->ctime_hi.dw = fd.ftCreationTime.dwHighDateTime;
12412: find->atime_lo.dw = fd.ftLastAccessTime.dwLowDateTime;
12413: find->atime_hi.dw = fd.ftLastAccessTime.dwHighDateTime;
12414: find->mtime_lo.dw = fd.ftLastWriteTime.dwLowDateTime;
12415: find->mtime_hi.dw = fd.ftLastWriteTime.dwHighDateTime;
12416: } else {
12417: FileTimeToDosDateTime(&fd.ftCreationTime, &find->ctime_lo.w.h, &find->ctime_lo.w.l);
12418: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->atime_lo.w.h, &find->atime_lo.w.l);
12419: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->mtime_lo.w.h, &find->mtime_lo.w.l);
12420: }
12421: find->size_hi = fd.nFileSizeHigh;
12422: find->size_lo = fd.nFileSizeLow;
12423: strcpy(find->full_name, fd.cFileName);
1.1.1.13 root 12424: strcpy(find->short_name, fd.cAlternateFileName);
1.1.1.14 root 12425: REG16(AX) = dtainfo - dtalist + 1;
12426: } else if(dtainfo->allowable_mask & 8) {
1.1 root 12427: // volume label
12428: find->attrib = 8;
12429: find->size_hi = find->size_lo = 0;
12430: strcpy(find->full_name, process->volume_label);
12431: strcpy(find->short_name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 12432: dtainfo->allowable_mask &= ~8;
12433: REG16(AX) = dtainfo - dtalist + 1;
1.1 root 12434: } else {
12435: REG16(AX) = 0x12; // NOTE: return 0x02 if file path is invalid
1.1.1.3 root 12436: m_CF = 1;
1.1 root 12437: }
12438: }
12439:
12440: inline void msdos_int_21h_714fh()
12441: {
12442: process_t *process = msdos_process_info_get(current_psp);
1.1.1.3 root 12443: find_lfn_t *find = (find_lfn_t *)(mem + SREG_BASE(ES) + REG16(DI));
1.1 root 12444: WIN32_FIND_DATA fd;
12445:
1.1.1.14 root 12446: if(REG16(BX) - 1u >= MAX_DTAINFO) {
12447: REG16(AX) = 6;
1.1.1.13 root 12448: m_CF = 1;
12449: return;
12450: }
1.1.1.14 root 12451: dtainfo_t *dtainfo = &dtalist[REG16(BX) - 1];
1.1.1.13 root 12452: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
12453: if(FindNextFile(dtainfo->find_handle, &fd)) {
1.1.1.14 root 12454: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, dtainfo->required_mask)) {
1.1.1.13 root 12455: if(!FindNextFile(dtainfo->find_handle, &fd)) {
12456: FindClose(dtainfo->find_handle);
12457: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 12458: break;
12459: }
12460: }
12461: } else {
1.1.1.13 root 12462: FindClose(dtainfo->find_handle);
12463: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 12464: }
12465: }
1.1.1.13 root 12466: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 12467: find->attrib = fd.dwFileAttributes;
12468: msdos_find_file_conv_local_time(&fd);
12469: if(REG16(SI) == 0) {
12470: find->ctime_lo.dw = fd.ftCreationTime.dwLowDateTime;
12471: find->ctime_hi.dw = fd.ftCreationTime.dwHighDateTime;
12472: find->atime_lo.dw = fd.ftLastAccessTime.dwLowDateTime;
12473: find->atime_hi.dw = fd.ftLastAccessTime.dwHighDateTime;
12474: find->mtime_lo.dw = fd.ftLastWriteTime.dwLowDateTime;
12475: find->mtime_hi.dw = fd.ftLastWriteTime.dwHighDateTime;
12476: } else {
12477: FileTimeToDosDateTime(&fd.ftCreationTime, &find->ctime_lo.w.h, &find->ctime_lo.w.l);
12478: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->atime_lo.w.h, &find->atime_lo.w.l);
12479: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->mtime_lo.w.h, &find->mtime_lo.w.l);
12480: }
12481: find->size_hi = fd.nFileSizeHigh;
12482: find->size_lo = fd.nFileSizeLow;
12483: strcpy(find->full_name, fd.cFileName);
1.1.1.13 root 12484: strcpy(find->short_name, fd.cAlternateFileName);
1.1.1.14 root 12485: } else if(dtainfo->allowable_mask & 8) {
1.1 root 12486: // volume label
12487: find->attrib = 8;
12488: find->size_hi = find->size_lo = 0;
12489: strcpy(find->full_name, process->volume_label);
12490: strcpy(find->short_name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 12491: dtainfo->allowable_mask &= ~8;
1.1 root 12492: } else {
12493: REG16(AX) = 0x12;
1.1.1.3 root 12494: m_CF = 1;
1.1 root 12495: }
12496: }
12497:
12498: inline void msdos_int_21h_71a0h()
12499: {
12500: DWORD max_component_len, file_sys_flag;
12501:
1.1.1.14 root 12502: 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))) {
12503: REG16(BX) = (UINT16)file_sys_flag & (FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVED_NAMES | FILE_UNICODE_ON_DISK | FILE_VOLUME_IS_COMPRESSED);
12504: REG16(BX) |= 0x4000; // supports LFN functions
1.1 root 12505: REG16(CX) = (UINT16)max_component_len; // 255
12506: REG16(DX) = (UINT16)max_component_len + 5; // 260
12507: } else {
12508: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 12509: m_CF = 1;
1.1 root 12510: }
12511: }
12512:
12513: inline void msdos_int_21h_71a1h()
12514: {
1.1.1.14 root 12515: if(REG16(BX) - 1u >= MAX_DTAINFO) {
12516: REG16(AX) = 6;
1.1.1.13 root 12517: m_CF = 1;
12518: return;
12519: }
1.1.1.14 root 12520: dtainfo_t *dtainfo = &dtalist[REG16(BX) - 1];
1.1.1.13 root 12521: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
12522: FindClose(dtainfo->find_handle);
12523: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 12524: }
12525: }
12526:
12527: inline void msdos_int_21h_71a6h()
12528: {
12529: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 12530: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
12531:
1.1.1.3 root 12532: UINT8 *buffer = (UINT8 *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 12533: struct _stat64 status;
12534: DWORD serial_number = 0;
12535:
1.1.1.20 root 12536: if(fd < process->max_files && file_handler[fd].valid) {
12537: if(_fstat64(fd, &status) == 0) {
12538: if(file_handler[fd].path[1] == ':') {
1.1 root 12539: // NOTE: we need to consider the network file path "\\host\share\"
12540: char volume[] = "A:\\";
1.1.1.20 root 12541: volume[0] = file_handler[fd].path[1];
1.1 root 12542: GetVolumeInformation(volume, NULL, 0, &serial_number, NULL, NULL, NULL, 0);
12543: }
1.1.1.20 root 12544: *(UINT32 *)(buffer + 0x00) = GetFileAttributes(file_handler[fd].path);
1.1 root 12545: *(UINT32 *)(buffer + 0x04) = (UINT32)(status.st_ctime & 0xffffffff);
12546: *(UINT32 *)(buffer + 0x08) = (UINT32)((status.st_ctime >> 32) & 0xffffffff);
12547: *(UINT32 *)(buffer + 0x0c) = (UINT32)(status.st_atime & 0xffffffff);
12548: *(UINT32 *)(buffer + 0x10) = (UINT32)((status.st_atime >> 32) & 0xffffffff);
12549: *(UINT32 *)(buffer + 0x14) = (UINT32)(status.st_mtime & 0xffffffff);
12550: *(UINT32 *)(buffer + 0x18) = (UINT32)((status.st_mtime >> 32) & 0xffffffff);
12551: *(UINT32 *)(buffer + 0x1c) = serial_number;
12552: *(UINT32 *)(buffer + 0x20) = (UINT32)((status.st_size >> 32) & 0xffffffff);
12553: *(UINT32 *)(buffer + 0x24) = (UINT32)(status.st_size & 0xffffffff);
12554: *(UINT32 *)(buffer + 0x28) = status.st_nlink;
1.1.1.14 root 12555: // this is dummy id and it will be changed when it is reopened...
1.1 root 12556: *(UINT32 *)(buffer + 0x2c) = 0;
1.1.1.20 root 12557: *(UINT32 *)(buffer + 0x30) = file_handler[fd].id;
1.1 root 12558: } else {
12559: REG16(AX) = errno;
1.1.1.3 root 12560: m_CF = 1;
1.1 root 12561: }
12562: } else {
12563: REG16(AX) = 0x06;
1.1.1.3 root 12564: m_CF = 1;
1.1 root 12565: }
12566: }
12567:
12568: inline void msdos_int_21h_71a7h()
12569: {
12570: switch(REG8(BL)) {
12571: case 0x00:
1.1.1.3 root 12572: if(!FileTimeToDosDateTime((FILETIME *)(mem + SREG_BASE(DS) + REG16(SI)), ®16(DX), ®16(CX))) {
1.1 root 12573: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 12574: m_CF = 1;
1.1 root 12575: }
12576: break;
12577: case 0x01:
12578: // NOTE: we need to check BH that shows 10-millisecond untils past time in CX
1.1.1.3 root 12579: if(!DosDateTimeToFileTime(REG16(DX), REG16(CX), (FILETIME *)(mem + SREG_BASE(ES) + REG16(DI)))) {
1.1 root 12580: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 12581: m_CF = 1;
1.1 root 12582: }
12583: break;
12584: default:
1.1.1.22 root 12585: 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 12586: REG16(AX) = 0x01;
1.1.1.3 root 12587: m_CF = 1;
1.1 root 12588: break;
12589: }
12590: }
12591:
12592: inline void msdos_int_21h_71a8h()
12593: {
12594: if(REG8(DH) == 0) {
12595: char tmp[MAX_PATH], fcb[MAX_PATH];
1.1.1.3 root 12596: strcpy(tmp, msdos_short_path((char *)(mem + SREG_BASE(DS) + REG16(SI))));
1.1 root 12597: memset(fcb, 0x20, sizeof(fcb));
12598: int len = strlen(tmp);
1.1.1.21 root 12599: for(int i = 0, pos = 0; i < len; i++) {
1.1 root 12600: if(tmp[i] == '.') {
12601: pos = 8;
12602: } else {
12603: if(msdos_lead_byte_check(tmp[i])) {
12604: fcb[pos++] = tmp[i++];
12605: }
12606: fcb[pos++] = tmp[i];
12607: }
12608: }
1.1.1.3 root 12609: memcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), fcb, 11);
1.1 root 12610: } else {
1.1.1.3 root 12611: strcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), msdos_short_path((char *)(mem + SREG_BASE(DS) + REG16(SI))));
1.1 root 12612: }
12613: }
12614:
1.1.1.22 root 12615: inline void msdos_int_21h_71aah()
12616: {
12617: char drv[] = "A:", path[MAX_PATH];
12618: char *hoge=(char *)(mem + SREG_BASE(DS) + REG16(DX));
12619:
12620: if(REG8(BL) == 0) {
12621: drv[0] = 'A' + _getdrive() - 1;
12622: } else {
12623: drv[0] = 'A' + REG8(BL) - 1;
12624: }
12625: switch(REG8(BH)) {
12626: case 0x00:
1.1.1.44 root 12627: if(msdos_is_valid_drive((REG8(BL) ? REG8(BL) : _getdrive()) - 1)) {
12628: REG16(AX) = 0x0f; // invalid drive
12629: m_CF = 1;
12630: } else if(DefineDosDevice(0, drv, (char *)(mem + SREG_BASE(DS) + REG16(DX))) == 0) {
12631: REG16(AX) = 0x03; // path not found
1.1.1.22 root 12632: m_CF = 1;
12633: }
12634: break;
12635: case 0x01:
1.1.1.44 root 12636: if(!msdos_is_valid_drive((REG8(BL) ? REG8(BL) : _getdrive()) - 1)) {
12637: REG16(AX) = 0x0f; // invalid drive
12638: m_CF = 1;
12639: } else if(DefineDosDevice(DDD_REMOVE_DEFINITION, drv, NULL) == 0) {
1.1.1.22 root 12640: REG16(AX) = 0x0f; // invalid drive
12641: m_CF = 1;
12642: }
12643: break;
12644: case 0x02:
1.1.1.44 root 12645: if(!msdos_is_valid_drive((REG8(BL) ? REG8(BL) : _getdrive()) - 1)) {
12646: REG16(AX) = 0x0f; // invalid drive
12647: m_CF = 1;
12648: } else if(QueryDosDevice(drv, path, MAX_PATH) == 0) {
1.1.1.22 root 12649: REG16(AX) = 0x0f; // invalid drive
12650: m_CF = 1;
12651: } else if(strncmp(path, "\\??\\", 4) != 0) {
12652: REG16(AX) = 0x0f; // invalid drive
12653: m_CF = 1;
12654: } else {
12655: strcpy((char *)(mem + SREG_BASE(DS) + REG16(DX)), path + 4);
12656: }
12657: break;
12658: default:
12659: 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));
12660: REG16(AX) = 0x01;
12661: m_CF = 1;
12662: break;
12663: }
12664: }
12665:
1.1.1.14 root 12666: inline void msdos_int_21h_7300h()
12667: {
1.1.1.44 root 12668: REG8(AL) = REG8(CL);
12669: REG8(AH) = 0;
1.1.1.14 root 12670: }
12671:
12672: inline void msdos_int_21h_7302h()
12673: {
12674: int drive_num = (REG8(DL) == 0) ? (_getdrive() - 1) : (REG8(DL) - 1);
12675: UINT16 seg, ofs;
12676:
12677: if(REG16(CX) < 0x3f) {
12678: REG8(AL) = 0x18;
12679: m_CF = 1;
12680: } else if(!msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
12681: REG8(AL) = 0xff;
12682: m_CF = 1;
12683: } else {
12684: memcpy(mem + SREG_BASE(ES) + REG16(DI) + 2, mem + (seg << 4) + ofs, sizeof(dpb_t));
12685: }
12686: }
12687:
1.1 root 12688: inline void msdos_int_21h_7303h()
12689: {
1.1.1.3 root 12690: char *path = (char *)(mem + SREG_BASE(DS) + REG16(DX));
12691: ext_space_info_t *info = (ext_space_info_t *)(mem + SREG_BASE(ES) + REG16(DI));
1.1 root 12692: DWORD sectors_per_cluster, bytes_per_sector, free_clusters, total_clusters;
12693:
12694: if(GetDiskFreeSpace(path, §ors_per_cluster, &bytes_per_sector, &free_clusters, &total_clusters)) {
12695: info->size_of_structure = sizeof(ext_space_info_t);
12696: info->structure_version = 0;
12697: info->sectors_per_cluster = sectors_per_cluster;
12698: info->bytes_per_sector = bytes_per_sector;
12699: info->available_clusters_on_drive = free_clusters;
12700: info->total_clusters_on_drive = total_clusters;
12701: info->available_sectors_on_drive = sectors_per_cluster * free_clusters;
12702: info->total_sectors_on_drive = sectors_per_cluster * total_clusters;
12703: info->available_allocation_units = free_clusters; // ???
12704: info->total_allocation_units = total_clusters; // ???
12705: } else {
12706: REG16(AX) = errno;
1.1.1.3 root 12707: m_CF = 1;
1.1 root 12708: }
12709: }
12710:
1.1.1.30 root 12711: inline void msdos_int_21h_dbh()
12712: {
12713: // Novell NetWare - Workstation - Get Number of Local Drives
12714: dos_info_t *dos_info = (dos_info_t *)(mem + DOS_INFO_TOP);
12715: REG8(AL) = dos_info->last_drive;
12716: }
12717:
12718: inline void msdos_int_21h_dch()
12719: {
12720: // Novell NetWare - Connection Services - Get Connection Number
12721: REG8(AL) = 0x00;
12722: }
12723:
1.1.1.32 root 12724: inline void msdos_int_24h()
12725: {
12726: const char *message = NULL;
12727: int key = 0;
12728:
12729: for(int i = 0; i < array_length(critical_error_table); i++) {
12730: if(critical_error_table[i].code == (REG16(DI) & 0xff) || critical_error_table[i].code == (UINT16)-1) {
12731: if(active_code_page == 932) {
12732: message = critical_error_table[i].message_japanese;
12733: }
12734: if(message == NULL) {
12735: message = critical_error_table[i].message_english;
12736: }
12737: *(UINT8 *)(mem + WORK_TOP) = strlen(message);
12738: strcpy((char *)(mem + WORK_TOP + 1), message);
12739:
12740: SREG(ES) = WORK_TOP >> 4;
12741: i386_load_segment_descriptor(ES);
12742: REG16(DI) = 0x0000;
12743: break;
12744: }
12745: }
12746: fprintf(stderr, "\n%s", message);
12747: if(!(REG8(AH) & 0x80)) {
12748: if(REG8(AH) & 0x01) {
12749: fprintf(stderr, " %s %c", (active_code_page == 932) ? "�������ݒ� �h���C�u" : "writing drive", 'A' + REG8(AL));
12750: } else {
12751: fprintf(stderr, " %s %c", (active_code_page == 932) ? "�ǂݎ�蒆 �h���C�u" : "reading drive", 'A' + REG8(AL));
12752: }
12753: }
12754: fprintf(stderr, "\n");
12755:
1.1.1.33 root 12756: {
1.1.1.32 root 12757: fprintf(stderr, "%s", (active_code_page == 932) ? "���~ (A)" : "Abort");
1.1.1.33 root 12758: }
1.1.1.32 root 12759: if(REG8(AH) & 0x10) {
12760: fprintf(stderr, ", %s", (active_code_page == 932) ? "���s (R)" : "Retry");
12761: }
12762: if(REG8(AH) & 0x20) {
12763: fprintf(stderr, ", %s", (active_code_page == 932) ? "���� (I)" : "Ignore");
12764: }
12765: if(REG8(AH) & 0x08) {
12766: fprintf(stderr, ", %s", (active_code_page == 932) ? "���s (F)" : "Fail");
12767: }
12768: fprintf(stderr, "? ");
12769:
12770: while(1) {
12771: while(!_kbhit()) {
12772: Sleep(10);
12773: }
12774: key = _getch();
12775:
12776: if(key == 'I' || key == 'i') {
12777: if(REG8(AH) & 0x20) {
12778: REG8(AL) = 0;
12779: break;
12780: }
12781: } else if(key == 'R' || key == 'r') {
12782: if(REG8(AH) & 0x10) {
12783: REG8(AL) = 1;
12784: break;
12785: }
12786: } else if(key == 'A' || key == 'a') {
12787: REG8(AL) = 2;
12788: break;
12789: } else if(key == 'F' || key == 'f') {
12790: if(REG8(AH) & 0x08) {
12791: REG8(AL) = 3;
12792: break;
12793: }
12794: }
12795: }
12796: fprintf(stderr, "%c\n", key);
12797: }
12798:
1.1 root 12799: inline void msdos_int_25h()
12800: {
12801: UINT16 seg, ofs;
12802: DWORD dwSize;
12803:
1.1.1.3 root 12804: #if defined(HAS_I386)
12805: I386OP(pushf)();
12806: #else
12807: PREFIX86(_pushf());
12808: #endif
1.1 root 12809:
12810: if(!(REG8(AL) < 26)) {
12811: REG8(AL) = 0x01; // unit unknown
1.1.1.3 root 12812: m_CF = 1;
1.1 root 12813: } else if(!msdos_drive_param_block_update(REG8(AL), &seg, &ofs, 0)) {
12814: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 12815: m_CF = 1;
1.1 root 12816: } else {
12817: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
12818: char dev[64];
12819: sprintf(dev, "\\\\.\\%c:", 'A' + REG8(AL));
12820:
12821: HANDLE hFile = CreateFile(dev, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
12822: if(hFile == INVALID_HANDLE_VALUE) {
12823: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 12824: m_CF = 1;
1.1 root 12825: } else {
1.1.1.19 root 12826: UINT32 top_sector = REG16(DX);
12827: UINT16 sector_num = REG16(CX);
12828: UINT32 buffer_addr = SREG_BASE(DS) + REG16(BX);
12829:
12830: if(sector_num == 0xffff) {
12831: top_sector = *(UINT32 *)(mem + buffer_addr + 0);
12832: sector_num = *(UINT16 *)(mem + buffer_addr + 4);
12833: UINT16 ofs = *(UINT16 *)(mem + buffer_addr + 6);
12834: UINT16 seg = *(UINT16 *)(mem + buffer_addr + 8);
12835: buffer_addr = (seg << 4) + ofs;
12836: }
12837: // if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
12838: // REG8(AL) = 0x02; // drive not ready
12839: // m_CF = 1;
12840: // } else
12841: if(SetFilePointer(hFile, top_sector * dpb->bytes_per_sector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
1.1 root 12842: REG8(AL) = 0x08; // sector not found
1.1.1.3 root 12843: m_CF = 1;
1.1.1.19 root 12844: } else if(ReadFile(hFile, mem + buffer_addr, sector_num * dpb->bytes_per_sector, &dwSize, NULL) == 0) {
1.1 root 12845: REG8(AL) = 0x0b; // read error
1.1.1.3 root 12846: m_CF = 1;
1.1 root 12847: }
12848: CloseHandle(hFile);
12849: }
12850: }
12851: }
12852:
12853: inline void msdos_int_26h()
12854: {
1.1.1.42 root 12855: // this operation may cause serious damage for drives, so support only floppy disk...
1.1 root 12856: UINT16 seg, ofs;
12857: DWORD dwSize;
12858:
1.1.1.3 root 12859: #if defined(HAS_I386)
12860: I386OP(pushf)();
12861: #else
12862: PREFIX86(_pushf());
12863: #endif
1.1 root 12864:
12865: if(!(REG8(AL) < 26)) {
12866: REG8(AL) = 0x01; // unit unknown
1.1.1.3 root 12867: m_CF = 1;
1.1 root 12868: } else if(!msdos_drive_param_block_update(REG8(AL), &seg, &ofs, 0)) {
12869: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 12870: m_CF = 1;
1.1 root 12871: } else {
12872: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
12873: char dev[64];
12874: sprintf(dev, "\\\\.\\%c:", 'A' + REG8(AL));
12875:
12876: if(dpb->media_type == 0xf8) {
12877: // this drive is not a floppy
1.1.1.6 root 12878: // if(!(((dos_info_t *)(mem + DOS_INFO_TOP))->dos_flag & 0x40)) {
12879: // fatalerror("This application tried the absolute disk write to drive %c:\n", 'A' + REG8(AL));
12880: // }
1.1 root 12881: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 12882: m_CF = 1;
1.1 root 12883: } else {
12884: HANDLE hFile = CreateFile(dev, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
12885: if(hFile == INVALID_HANDLE_VALUE) {
12886: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 12887: m_CF = 1;
1.1 root 12888: } else {
1.1.1.19 root 12889: UINT32 top_sector = REG16(DX);
12890: UINT16 sector_num = REG16(CX);
12891: UINT32 buffer_addr = SREG_BASE(DS) + REG16(BX);
12892:
12893: if(sector_num == 0xffff) {
12894: top_sector = *(UINT32 *)(mem + buffer_addr + 0);
12895: sector_num = *(UINT16 *)(mem + buffer_addr + 4);
12896: UINT16 ofs = *(UINT16 *)(mem + buffer_addr + 6);
12897: UINT16 seg = *(UINT16 *)(mem + buffer_addr + 8);
12898: buffer_addr = (seg << 4) + ofs;
12899: }
1.1 root 12900: if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
12901: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 12902: m_CF = 1;
1.1.1.19 root 12903: } else if(SetFilePointer(hFile, top_sector * dpb->bytes_per_sector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
1.1 root 12904: REG8(AL) = 0x08; // sector not found
1.1.1.3 root 12905: m_CF = 1;
1.1.1.19 root 12906: } else if(WriteFile(hFile, mem + buffer_addr, sector_num * dpb->bytes_per_sector, &dwSize, NULL) == 0) {
1.1 root 12907: REG8(AL) = 0x0a; // write error
1.1.1.3 root 12908: m_CF = 1;
1.1 root 12909: }
12910: CloseHandle(hFile);
12911: }
12912: }
12913: }
12914: }
12915:
12916: inline void msdos_int_27h()
12917: {
1.1.1.29 root 12918: int paragraphs = (min(REG16(DX), 0xfff0) + 15) >> 4;
12919: try {
12920: msdos_mem_realloc(SREG(CS), paragraphs, NULL);
12921: } catch(...) {
12922: // recover the broken mcb
12923: int mcb_seg = SREG(CS) - 1;
12924: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1.1.33 root 12925:
1.1.1.29 root 12926: if(mcb_seg < (MEMORY_END >> 4)) {
1.1.1.33 root 12927: mcb->mz = 'M';
12928: mcb->paragraphs = (MEMORY_END >> 4) - mcb_seg - 2;
12929:
1.1.1.29 root 12930: if(((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked & 0x01) {
1.1.1.39 root 12931: msdos_mcb_create((MEMORY_END >> 4) - 1, 'M', PSP_SYSTEM, (UMB_TOP >> 4) - (MEMORY_END >> 4), "SC");
1.1.1.29 root 12932: } else {
1.1.1.39 root 12933: msdos_mcb_create((MEMORY_END >> 4) - 1, 'Z', PSP_SYSTEM, 0, "SC");
1.1.1.29 root 12934: }
12935: } else {
12936: mcb->mz = 'Z';
1.1.1.30 root 12937: mcb->paragraphs = (UMB_END >> 4) - mcb_seg - 1;
1.1.1.29 root 12938: }
12939: msdos_mem_realloc(SREG(CS), paragraphs, NULL);
12940: }
1.1.1.3 root 12941: msdos_process_terminate(SREG(CS), retval | 0x300, 0);
1.1 root 12942: }
12943:
12944: inline void msdos_int_29h()
12945: {
1.1.1.14 root 12946: #if 1
12947: // need to check escape sequences
1.1 root 12948: msdos_putch(REG8(AL));
1.1.1.14 root 12949: #else
12950: DWORD num;
12951: vram_flush();
1.1.1.23 root 12952: WriteConsole(GetStdHandle(STD_OUTPUT_HANDLE), ®8(AL), 1, &num, NULL);
1.1.1.14 root 12953: cursor_moved = true;
12954: #endif
1.1 root 12955: }
12956:
12957: inline void msdos_int_2eh()
12958: {
12959: char tmp[MAX_PATH], command[MAX_PATH], opt[MAX_PATH];
12960: memset(tmp, 0, sizeof(tmp));
1.1.1.3 root 12961: strcpy(tmp, (char *)(mem + SREG_BASE(DS) + REG16(SI)));
1.1 root 12962: char *token = my_strtok(tmp, " ");
12963: strcpy(command, token);
12964: strcpy(opt, token + strlen(token) + 1);
12965:
12966: param_block_t *param = (param_block_t *)(mem + WORK_TOP);
12967: param->env_seg = 0;
12968: param->cmd_line.w.l = 44;
12969: param->cmd_line.w.h = (WORK_TOP >> 4);
12970: param->fcb1.w.l = 24;
12971: param->fcb1.w.h = (WORK_TOP >> 4);
12972: param->fcb2.w.l = 24;
12973: param->fcb2.w.h = (WORK_TOP >> 4);
12974:
12975: memset(mem + WORK_TOP + 24, 0x20, 20);
12976:
12977: cmd_line_t *cmd_line = (cmd_line_t *)(mem + WORK_TOP + 44);
12978: cmd_line->len = strlen(opt);
12979: strcpy(cmd_line->cmd, opt);
12980: cmd_line->cmd[cmd_line->len] = 0x0d;
12981:
1.1.1.28 root 12982: try {
12983: if(msdos_process_exec(command, param, 0)) {
12984: REG16(AX) = 0xffff; // error before processing command
12985: } else {
12986: // set flag to set retval to ax when the started process is terminated
12987: process_t *process = msdos_process_info_get(current_psp);
12988: process->called_by_int2eh = true;
12989: }
12990: } catch(...) {
12991: REG16(AX) = 0xffff; // error before processing command
12992: }
1.1 root 12993: }
12994:
1.1.1.29 root 12995: inline void msdos_int_2fh_05h()
12996: {
12997: switch(REG8(AL)) {
12998: case 0x00:
1.1.1.32 root 12999: REG8(AL) = 0xff;
13000: break;
13001: case 0x01:
13002: case 0x02:
13003: for(int i = 0; i < array_length(standard_error_table); i++) {
13004: if(standard_error_table[i].code == REG16(BX) || standard_error_table[i].code == (UINT16)-1) {
13005: const char *message = NULL;
13006: if(active_code_page == 932) {
13007: message = standard_error_table[i].message_japanese;
13008: }
13009: if(message == NULL) {
13010: message = standard_error_table[i].message_english;
13011: }
13012: strcpy((char *)(mem + WORK_TOP), message);
13013:
13014: SREG(ES) = WORK_TOP >> 4;
13015: i386_load_segment_descriptor(ES);
13016: REG16(DI) = 0x0000;
13017: REG8(AL) = 0x01;
13018: break;
13019: }
13020: }
1.1.1.29 root 13021: break;
13022: default:
13023: 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));
13024: m_CF = 1;
13025: }
13026: }
13027:
1.1.1.44 root 13028: inline void msdos_int_2fh_06h()
13029: {
13030: switch(REG8(AL)) {
13031: case 0x00:
13032: // ASSIGN is not installed
13033: break;
13034: case 0x01:
13035: // this call is available from within MIRROR.COM even if ASSIGN is not installed
13036: REG16(AX) = 0x01;
13037: m_CF = 1;
13038: break;
13039: default:
13040: 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));
13041: REG16(AX) = 0x01;
13042: m_CF = 1;
13043: break;
13044: }
13045: }
13046:
1.1.1.22 root 13047: inline void msdos_int_2fh_11h()
13048: {
13049: switch(REG8(AL)) {
13050: case 0x00:
1.1.1.29 root 13051: if(i386_read_stack() == 0xdada) {
13052: // MSCDEX is not installed
13053: // REG8(AL) = 0x00;
13054: } else {
13055: // Network Redirector is not installed
13056: // REG8(AL) = 0x00;
13057: }
1.1.1.22 root 13058: break;
13059: default:
1.1.1.43 root 13060: // 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 13061: REG16(AX) = 0x49; // network software not installed
1.1.1.22 root 13062: m_CF = 1;
13063: break;
13064: }
13065: }
13066:
1.1.1.21 root 13067: inline void msdos_int_2fh_12h()
13068: {
13069: switch(REG8(AL)) {
1.1.1.22 root 13070: case 0x00:
1.1.1.29 root 13071: // DOS 3.0+ internal functions are installed
1.1.1.22 root 13072: REG8(AL) = 0xff;
13073: break;
1.1.1.29 root 13074: // case 0x01: // DOS 3.0+ internal - Close Current File
13075: case 0x02:
13076: {
13077: UINT16 stack = i386_read_stack();
13078: REG16(BX) = *(UINT16 *)(mem + 4 * stack + 0);
13079: SREG(ES) = *(UINT16 *)(mem + 4 * stack + 2);
13080: i386_load_segment_descriptor(ES);
13081: }
13082: break;
1.1.1.30 root 13083: case 0x03:
13084: SREG(DS) = (DEVICE_TOP >> 4);
13085: i386_load_segment_descriptor(DS);
13086: break;
1.1.1.29 root 13087: case 0x04:
13088: {
13089: UINT16 stack = i386_read_stack();
13090: REG8(AL) = (stack == '/') ? '\\' : stack;
13091: #if defined(HAS_I386)
13092: m_ZF = (REG8(AL) == '\\');
13093: #else
13094: m_ZeroVal = (REG8(AL) != '\\');
13095: #endif
13096: }
13097: break;
13098: case 0x05:
13099: msdos_putch(i386_read_stack());
13100: break;
13101: // case 0x06: // DOS 3.0+ internal - Invole Critical Error
13102: // case 0x07: // DOS 3.0+ internal - Make Disk Buffer Most Recentry Used
13103: // case 0x08: // DOS 3.0+ internal - Decrement SFT Reference Count
13104: // case 0x09: // DOS 3.0+ internal - Flush and FREE Disk Buffer
13105: // case 0x0a: // DOS 3.0+ internal - Perform Critical Error Interrupt
13106: // case 0x0b: // DOS 3.0+ internal - Signal Sharing Violation to User
13107: // case 0x0c: // DOS 3.0+ internal - Open Device and Set SFT Owner/Mode
13108: case 0x0d:
13109: {
13110: SYSTEMTIME time;
13111: FILETIME file_time;
13112: WORD dos_date, dos_time;
13113: GetLocalTime(&time);
13114: SystemTimeToFileTime(&time, &file_time);
13115: FileTimeToDosDateTime(&file_time, &dos_date, &dos_time);
13116: REG16(AX) = dos_date;
13117: REG16(DX) = dos_time;
13118: }
13119: break;
13120: // case 0x0e: // DOS 3.0+ internal - Mark All Disk Buffers Unreferenced
13121: // case 0x0f: // DOS 3.0+ internal - Make Buffer Most Recentry Used
13122: // case 0x10: // DOS 3.0+ internal - Find Unreferenced Disk Buffer
13123: case 0x11:
13124: {
13125: char path[MAX_PATH], *p;
13126: strcpy(path, (char *)(mem + SREG_BASE(DS) + REG16(SI)));
13127: my_strupr(path);
13128: while((p = my_strchr(path, '/')) != NULL) {
13129: *p = '\\';
13130: }
13131: strcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), path);
13132: }
13133: break;
13134: case 0x12:
13135: REG16(CX) = strlen((char *)(mem + SREG_BASE(ES) + REG16(DI)));
13136: break;
13137: case 0x13:
13138: {
13139: char tmp[2] = {0};
13140: tmp[0] = i386_read_stack();
13141: my_strupr(tmp);
13142: REG8(AL) = tmp[0];
13143: }
13144: break;
13145: case 0x14:
13146: #if defined(HAS_I386)
13147: m_ZF = (SREG_BASE(DS) + REG16(SI) == SREG_BASE(ES) + REG16(DI));
13148: #else
13149: m_ZeroVal = (SREG_BASE(DS) + REG16(SI) != SREG_BASE(ES) + REG16(DI));
13150: #endif
13151: m_CF = (SREG_BASE(DS) + REG16(SI) != SREG_BASE(ES) + REG16(DI));
13152: break;
13153: // case 0x15: // DOS 3.0+ internal - Flush Buffer
1.1.1.21 root 13154: case 0x16:
13155: if(REG16(BX) < 20) {
13156: SREG(ES) = SFT_TOP >> 4;
13157: i386_load_segment_descriptor(ES);
13158: REG16(DI) = 6 + 0x3b * REG16(BX);
13159:
13160: // update system file table
13161: UINT8* sft = mem + SFT_TOP + 6 + 0x3b * REG16(BX);
13162: if(file_handler[REG16(BX)].valid) {
13163: int count = 0;
13164: for(int i = 0; i < 20; i++) {
13165: if(msdos_psp_get_file_table(i, current_psp) == REG16(BX)) {
13166: count++;
13167: }
13168: }
13169: *(UINT16 *)(sft + 0x00) = count ? count : 0xffff;
13170: *(UINT32 *)(sft + 0x15) = _tell(REG16(BX));
13171: _lseek(REG16(BX), 0, SEEK_END);
13172: *(UINT32 *)(sft + 0x11) = _tell(REG16(BX));
13173: _lseek(REG16(BX), *(UINT32 *)(sft + 0x15), SEEK_SET);
13174: } else {
13175: memset(sft, 0, 0x3b);
13176: }
13177: } else {
13178: REG16(AX) = 0x06;
13179: m_CF = 1;
13180: }
13181: break;
1.1.1.29 root 13182: // case 0x17: // DOS 3.0+ internal - Get Current Directory Structure for Drive
13183: // case 0x18: // DOS 3.0+ internal - Get Caller's Registers
13184: // case 0x19: // DOS 3.0+ internal - Set Drive???
13185: case 0x1a:
13186: {
13187: char *path = (char *)(mem + SREG_BASE(DS) + REG16(SI)), full[MAX_PATH];
13188: if(path[1] == ':') {
13189: if(path[0] >= 'a' && path[0] <= 'z') {
13190: REG8(AL) = path[0] - 'a' + 1;
13191: } else if(path[0] >= 'A' && path[0] <= 'Z') {
13192: REG8(AL) = path[0] - 'A' + 1;
13193: } else {
13194: REG8(AL) = 0xff; // invalid
13195: }
13196: strcpy(full, path);
13197: strcpy(path, full + 2);
13198: } else if(GetFullPathName(path, MAX_PATH, full, NULL) != 0 && full[1] == ':') {
13199: if(full[0] >= 'a' && full[0] <= 'z') {
13200: REG8(AL) = full[0] - 'a' + 1;
13201: } else if(full[0] >= 'A' && full[0] <= 'Z') {
13202: REG8(AL) = full[0] - 'A' + 1;
13203: } else {
13204: REG8(AL) = 0xff; // invalid
13205: }
13206: } else {
13207: REG8(AL) = 0x00; // default
13208: }
13209: }
13210: break;
13211: case 0x1b:
13212: {
13213: int year = REG16(CX) + 1980;
13214: REG8(AL) = ((year % 4) == 0 && (year % 100) != 0 && (year % 400) == 0) ? 29 : 28;
13215: }
13216: break;
13217: // case 0x1c: // DOS 3.0+ internal - Check Sum Memory
13218: // case 0x1d: // DOS 3.0+ internal - Sum Memory
13219: case 0x1e:
13220: {
13221: char *path_1st = (char *)(mem + SREG_BASE(DS) + REG16(SI)), full_1st[MAX_PATH];
13222: char *path_2nd = (char *)(mem + SREG_BASE(ES) + REG16(DI)), full_2nd[MAX_PATH];
13223: if(GetFullPathName(path_1st, MAX_PATH, full_1st, NULL) != 0 && GetFullPathName(path_2nd, MAX_PATH, full_2nd, NULL) != 0) {
13224: #if defined(HAS_I386)
13225: m_ZF = (strcmp(full_1st, full_2nd) == 0);
13226: #else
13227: m_ZeroVal = (strcmp(full_1st, full_2nd) != 0);
13228: #endif
13229: } else {
13230: #if defined(HAS_I386)
13231: m_ZF = (strcmp(path_1st, path_2nd) == 0);
13232: #else
13233: m_ZeroVal = (strcmp(path_1st, path_2nd) != 0);
13234: #endif
13235: }
13236: }
13237: break;
13238: // case 0x1f: // DOS 3.0+ internal - Build Current Directory Structure
1.1.1.21 root 13239: case 0x20:
13240: {
13241: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
13242:
13243: if(fd < 20) {
13244: SREG(ES) = current_psp;
13245: i386_load_segment_descriptor(ES);
13246: REG16(DI) = offsetof(psp_t, file_table) + fd;
13247: } else {
13248: REG16(AX) = 0x06;
13249: m_CF = 1;
13250: }
13251: }
13252: break;
1.1.1.29 root 13253: case 0x21:
13254: msdos_int_21h_60h(0);
13255: break;
13256: // case 0x22: // DOS 3.0+ internal - Set Extended Error Info
13257: // case 0x23: // DOS 3.0+ internal - Check If Character Device
13258: // case 0x24: // DOS 3.0+ internal - Sharing Retry Delay
13259: case 0x25:
13260: REG16(CX) = strlen((char *)(mem + SREG_BASE(DS) + REG16(SI)));
13261: break;
13262: case 0x26:
13263: REG8(AL) = REG8(CL);
13264: msdos_int_21h_3dh();
13265: break;
13266: case 0x27:
13267: msdos_int_21h_3eh();
13268: break;
13269: case 0x28:
13270: REG16(AX) = REG16(BP);
13271: msdos_int_21h_42h();
13272: break;
13273: case 0x29:
13274: msdos_int_21h_3fh();
13275: break;
13276: // case 0x2a: // DOS 3.0+ internal - Set Fast Open Entry Point
13277: case 0x2b:
13278: REG16(AX) = REG16(BP);
13279: msdos_int_21h_44h();
13280: break;
13281: case 0x2c:
13282: REG16(BX) = DEVICE_TOP >> 4;
13283: REG16(AX) = 22;
13284: break;
13285: case 0x2d:
13286: {
13287: sda_t *sda = (sda_t *)(mem + SDA_TOP);
13288: REG16(AX) = sda->extended_error_code;
13289: }
13290: break;
13291: case 0x2e:
13292: if(REG8(DL) == 0x00 || REG8(DL) == 0x02 || REG8(DL) == 0x04 || REG8(DL) == 0x06) {
1.1.1.32 root 13293: SREG(ES) = 0x0001;
13294: i386_load_segment_descriptor(ES);
13295: REG16(DI) = 0x00;
13296: } else if(REG8(DL) == 0x08) {
13297: // dummy parameter error message read routine is at fffd:0010
13298: SREG(ES) = 0xfffd;
1.1.1.22 root 13299: i386_load_segment_descriptor(ES);
1.1.1.32 root 13300: REG16(DI) = 0x0010;
1.1.1.22 root 13301: }
13302: break;
1.1.1.29 root 13303: case 0x2f:
13304: if(REG16(DX) != 0) {
1.1.1.30 root 13305: dos_major_version = REG8(DL);
13306: dos_minor_version = REG8(DH);
1.1.1.29 root 13307: } else {
13308: REG8(DL) = 7;
13309: REG8(DH) = 10;
13310: }
13311: break;
13312: // case 0x30: // Windows95 - Find SFT Entry in Internal File Tables
13313: // case 0x31: // Windows95 - Set/Clear "Report Windows to DOS Programs" Flag
1.1.1.22 root 13314: default:
13315: 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));
13316: REG16(AX) = 0x01;
13317: m_CF = 1;
13318: break;
13319: }
13320: }
13321:
1.1.1.30 root 13322: inline void msdos_int_2fh_13h()
13323: {
13324: static UINT16 prevDS = 0, prevDX = 0;
13325: static UINT16 prevES = 0, prevBX = 0;
13326: UINT16 tmp;
13327:
13328: tmp = SREG(DS); SREG(DS) = prevDS; prevDS = tmp;
13329: i386_load_segment_descriptor(DS);
13330: tmp = REG16(DX); REG16(DX) = prevDX; prevDX = tmp;
13331:
13332: tmp = SREG(ES); SREG(ES) = prevES; prevES = tmp;
13333: i386_load_segment_descriptor(ES);
13334: tmp = REG16(BX); REG16(BX) = prevBX; prevBX = tmp;
13335: }
13336:
1.1.1.22 root 13337: inline void msdos_int_2fh_14h()
13338: {
13339: switch(REG8(AL)) {
13340: case 0x00:
1.1.1.29 root 13341: // NLSFUNC.COM is installed
13342: REG8(AL) = 0xff;
1.1.1.25 root 13343: break;
13344: case 0x01:
13345: case 0x03:
13346: REG8(AL) = 0x00;
13347: active_code_page = REG16(BX);
13348: msdos_nls_tables_update();
13349: break;
13350: case 0x02:
13351: REG8(AL) = get_extended_country_info(REG16(BP));
13352: break;
13353: case 0x04:
1.1.1.42 root 13354: for(int i = 0;; i++) {
13355: if(country_table[i].code == REG16(DX)) {
13356: get_country_info((country_info_t *)(mem + SREG_BASE(ES) + REG16(DI)), country_table[i].usPrimaryLanguage, country_table[i].usSubLanguage);
13357: break;
13358: } else if(country_table[i].code == -1) {
13359: get_country_info((country_info_t *)(mem + SREG_BASE(ES) + REG16(DI)));
13360: break;
13361: }
13362: }
1.1.1.25 root 13363: REG8(AL) = 0x00;
1.1.1.22 root 13364: break;
13365: default:
13366: 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));
13367: REG16(AX) = 0x01;
13368: m_CF = 1;
13369: break;
13370: }
13371: }
13372:
13373: inline void msdos_int_2fh_15h()
13374: {
13375: switch(REG8(AL)) {
1.1.1.29 root 13376: case 0x00: // CD-ROM - Installation Check
13377: if(REG16(BX) == 0x0000) {
1.1.1.43 root 13378: #if 0
13379: // MSCDEX is installed
13380: REG16(BX) = 0;
13381: for(int i = 0, n = 0; i < 26; i++) {
1.1.1.44 root 13382: if(msdos_is_cdrom_drive(i)) {
13383: if(REG16(BX) == 0) {
13384: REG16(CX) = i;
1.1.1.43 root 13385: }
1.1.1.44 root 13386: REG16(BX)++;
1.1.1.43 root 13387: }
13388: }
13389: #else
1.1.1.29 root 13390: // MSCDEX is not installed
13391: // REG8(AL) = 0x00;
1.1.1.43 root 13392: #endif
1.1.1.29 root 13393: } else {
13394: // GRAPHICS.COM is not installed
13395: // REG8(AL) = 0x00;
13396: }
1.1.1.22 root 13397: break;
1.1.1.43 root 13398: case 0x0b:
1.1.1.44 root 13399: // this call is available from within DOSSHELL even if MSCDEX is not installed
13400: REG16(AX) = msdos_is_cdrom_drive(REG8(CL)) ? 0x5ad8 : 0x0000;
13401: REG16(BX) = 0xadad;
1.1.1.43 root 13402: break;
13403: case 0x0d:
1.1.1.44 root 13404: for(int i = 0, n = 0; i < 26; i++) {
13405: if(msdos_is_cdrom_drive(i)) {
13406: mem[SREG_BASE(ES) + REG16(BX) + (n++)] = i;
1.1.1.43 root 13407: }
13408: }
13409: break;
1.1.1.22 root 13410: case 0xff:
1.1.1.29 root 13411: if(REG16(BX) == 0x0000) {
13412: // CORELCDX is not installed
13413: } else {
13414: 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));
13415: REG16(AX) = 0x01;
13416: m_CF = 1;
13417: }
1.1.1.22 root 13418: break;
1.1.1.21 root 13419: default:
1.1.1.22 root 13420: 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 13421: REG16(AX) = 0x01;
13422: m_CF = 1;
13423: break;
13424: }
13425: }
13426:
1.1 root 13427: inline void msdos_int_2fh_16h()
13428: {
13429: switch(REG8(AL)) {
13430: case 0x00:
1.1.1.14 root 13431: if(no_windows) {
1.1.1.29 root 13432: // neither Windows 3.x enhanced mode nor Windows/386 2.x running
13433: // REG8(AL) = 0x00;
1.1.1.14 root 13434: } else {
1.1.1.30 root 13435: REG8(AL) = win_major_version;
13436: REG8(AH) = win_minor_version;
1.1 root 13437: }
13438: break;
1.1.1.43 root 13439: case 0x05: // Windows Enhanced Mode & 286 DOSX Init Broadcast
1.1.1.30 root 13440: // from DOSBox
13441: i386_set_a20_line(1);
13442: break;
1.1.1.43 root 13443: case 0x06: // Windows Enhanced Mode & 286 DOSX exit Broadcast
13444: case 0x08: // Windows Enhanced Mode Init Complete Broadcast
13445: case 0x09: // Windows Enhanced Mode Begin Exit Broadcast
13446: break;
13447: case 0x07:
13448: // Virtual Device Call API
13449: break;
1.1.1.22 root 13450: case 0x0a:
13451: if(!no_windows) {
13452: REG16(AX) = 0x0000;
1.1.1.30 root 13453: REG8(BH) = win_major_version;
13454: REG8(BL) = win_minor_version;
1.1.1.22 root 13455: REG16(CX) = 0x0003; // enhanced
13456: }
13457: break;
1.1.1.30 root 13458: case 0x0b:
13459: // no TRS, keep ES:DI = 0000h:0000h
1.1.1.22 root 13460: case 0x0e:
13461: case 0x0f:
1.1.1.30 root 13462: case 0x10:
1.1.1.22 root 13463: case 0x11:
13464: case 0x12:
13465: case 0x13:
13466: case 0x14:
1.1.1.30 root 13467: case 0x15:
1.1.1.43 root 13468: case 0x81:
13469: case 0x82:
1.1.1.44 root 13470: case 0x84:
1.1.1.33 root 13471: case 0x86:
1.1.1.22 root 13472: case 0x87:
1.1.1.30 root 13473: case 0x89:
1.1.1.33 root 13474: case 0x8a:
1.1.1.22 root 13475: // function not supported, do not clear AX
13476: break;
1.1.1.14 root 13477: case 0x80:
13478: Sleep(10);
1.1.1.35 root 13479: REQUEST_HARDWRE_UPDATE();
1.1.1.29 root 13480: REG8(AL) = 0x00;
1.1.1.14 root 13481: break;
1.1.1.33 root 13482: case 0x83:
13483: REG16(BX) = 0x01; // system vm id
13484: break;
1.1.1.22 root 13485: case 0x8e:
13486: REG16(AX) = 0x00; // failed
13487: break;
1.1.1.20 root 13488: case 0x8f:
13489: switch(REG8(DH)) {
13490: case 0x00:
13491: case 0x02:
13492: case 0x03:
13493: REG16(AX) = 0x00;
13494: break;
13495: case 0x01:
13496: REG16(AX) = 0x168f;
13497: break;
13498: }
13499: break;
1.1 root 13500: default:
1.1.1.22 root 13501: 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));
13502: REG16(AX) = 0x01;
13503: m_CF = 1;
13504: break;
13505: }
13506: }
13507:
13508: inline void msdos_int_2fh_19h()
13509: {
13510: switch(REG8(AL)) {
13511: case 0x00:
1.1.1.29 root 13512: // SHELLB.COM is not installed
13513: // REG8(AL) = 0x00;
1.1.1.22 root 13514: break;
13515: case 0x01:
13516: case 0x02:
13517: case 0x03:
13518: case 0x04:
13519: REG16(AX) = 0x01;
13520: m_CF = 1;
13521: break;
1.1.1.29 root 13522: case 0x80:
13523: // IBM ROM-DOS v4.0 is not installed
13524: // REG8(AL) = 0x00;
13525: break;
1.1.1.22 root 13526: default:
13527: 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 13528: REG16(AX) = 0x01;
1.1.1.3 root 13529: m_CF = 1;
1.1 root 13530: break;
13531: }
13532: }
13533:
13534: inline void msdos_int_2fh_1ah()
13535: {
13536: switch(REG8(AL)) {
13537: case 0x00:
1.1.1.29 root 13538: // ANSI.SYS is installed
1.1 root 13539: REG8(AL) = 0xff;
13540: break;
13541: default:
1.1.1.22 root 13542: 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));
13543: REG16(AX) = 0x01;
13544: m_CF = 1;
13545: break;
13546: }
13547: }
13548:
1.1.1.30 root 13549: inline void msdos_int_2fh_40h()
1.1.1.22 root 13550: {
13551: switch(REG8(AL)) {
13552: case 0x00:
1.1.1.30 root 13553: // Windows 3+ - Get Virtual Device Driver (VDD) Capabilities
13554: REG8(AL) = 0x01; // does not virtualize video access
1.1.1.22 root 13555: break;
1.1.1.43 root 13556: case 0x10:
13557: // OS/2 v2.0+ - Installation Check
13558: REG16(AX) = 0x01;
13559: m_CF = 1;
13560: break;
1.1.1.22 root 13561: default:
13562: 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 13563: REG16(AX) = 0x01;
1.1.1.3 root 13564: m_CF = 1;
1.1 root 13565: break;
13566: }
13567: }
13568:
13569: inline void msdos_int_2fh_43h()
13570: {
13571: switch(REG8(AL)) {
13572: case 0x00:
1.1.1.29 root 13573: // XMS is installed ?
1.1.1.19 root 13574: #ifdef SUPPORT_XMS
13575: if(support_xms) {
13576: REG8(AL) = 0x80;
1.1.1.44 root 13577: }
13578: #endif
13579: break;
13580: case 0x08:
13581: #ifdef SUPPORT_XMS
13582: if(support_xms) {
13583: REG8(AL) = 0x43;
13584: REG8(BL) = 0x01; // IBM PC/AT
13585: REG8(BH) = 0x01; // Fast AT A20 switch time
13586: }
1.1.1.19 root 13587: #endif
13588: break;
13589: case 0x10:
13590: SREG(ES) = XMS_TOP >> 4;
13591: i386_load_segment_descriptor(ES);
1.1.1.26 root 13592: REG16(BX) = 0x15;
1.1 root 13593: break;
1.1.1.44 root 13594: case 0xe0:
13595: // DOS Protected Mode Services (DPMS) v1.0 is not installed
13596: if(REG16(BX) == 0x0000 && REG16(CX) == 0x4450 && REG16(DX) == 0x4d53) {
13597: break;
13598: }
1.1 root 13599: default:
1.1.1.22 root 13600: 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));
13601: REG16(AX) = 0x01;
13602: m_CF = 1;
13603: break;
13604: }
13605: }
13606:
13607: inline void msdos_int_2fh_46h()
13608: {
13609: switch(REG8(AL)) {
13610: case 0x80:
1.1.1.29 root 13611: // Windows v3.0 is not installed
13612: // REG8(AL) = 0x00;
1.1.1.22 root 13613: break;
13614: default:
13615: 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));
13616: REG16(AX) = 0x01;
13617: m_CF = 1;
13618: break;
13619: }
13620: }
13621:
13622: inline void msdos_int_2fh_48h()
13623: {
13624: switch(REG8(AL)) {
13625: case 0x00:
1.1.1.29 root 13626: // DOSKEY is not installed
13627: // REG8(AL) = 0x00;
1.1.1.22 root 13628: break;
13629: case 0x10:
13630: msdos_int_21h_0ah();
13631: REG16(AX) = 0x00;
13632: break;
13633: default:
13634: 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 13635: REG16(AX) = 0x01;
1.1.1.3 root 13636: m_CF = 1;
1.1 root 13637: break;
13638: }
13639: }
13640:
13641: inline void msdos_int_2fh_4ah()
13642: {
13643: switch(REG8(AL)) {
1.1.1.29 root 13644: #ifdef SUPPORT_HMA
13645: case 0x01: // DOS 5.0+ - Query Free HMA Space
13646: if(!is_hma_used_by_xms && !is_hma_used_by_int_2fh) {
13647: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
13648: // restore first free mcb in high memory area
13649: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
13650: }
13651: int offset = 0xffff;
13652: if((REG16(BX) = msdos_hma_mem_get_free(&offset)) != 0) {
13653: REG16(DI) = offset + 0x10;
13654: } else {
13655: REG16(DI) = 0xffff;
13656: }
13657: } else {
13658: // HMA is already used
13659: REG16(BX) = 0;
13660: REG16(DI) = 0xffff;
13661: }
13662: SREG(ES) = 0xffff;
13663: i386_load_segment_descriptor(ES);
13664: break;
13665: case 0x02: // DOS 5.0+ - Allocate HMA Space
13666: if(!is_hma_used_by_xms && !is_hma_used_by_int_2fh) {
13667: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
13668: // restore first free mcb in high memory area
13669: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
13670: }
13671: int size = REG16(BX), offset;
13672: if((size % 16) != 0) {
13673: size &= ~15;
13674: size += 16;
13675: }
13676: if((offset = msdos_hma_mem_alloc(size, current_psp)) != -1) {
13677: REG16(BX) = size;
13678: REG16(DI) = offset + 0x10;
13679: is_hma_used_by_int_2fh = true;
13680: } else {
13681: REG16(BX) = 0;
13682: REG16(DI) = 0xffff;
13683: }
13684: } else {
13685: // HMA is already used
13686: REG16(BX) = 0;
13687: REG16(DI) = 0xffff;
13688: }
13689: SREG(ES) = 0xffff;
13690: i386_load_segment_descriptor(ES);
13691: break;
13692: case 0x03: // Windows95 - (De)Allocate HMA Memory Block
13693: if(REG8(DL) == 0x00) {
13694: if(!is_hma_used_by_xms) {
13695: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
13696: // restore first free mcb in high memory area
13697: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
13698: is_hma_used_by_int_2fh = false;
13699: }
13700: int size = REG16(BX), offset;
13701: if((size % 16) != 0) {
13702: size &= ~15;
13703: size += 16;
13704: }
13705: if((offset = msdos_hma_mem_alloc(size, REG16(CX))) != -1) {
13706: // REG16(BX) = size;
13707: SREG(ES) = 0xffff;
13708: i386_load_segment_descriptor(ES);
13709: REG16(DI) = offset + 0x10;
13710: is_hma_used_by_int_2fh = true;
13711: } else {
13712: REG16(DI) = 0xffff;
13713: }
13714: } else {
13715: REG16(DI) = 0xffff;
13716: }
13717: } else if(REG8(DL) == 0x01) {
13718: if(!is_hma_used_by_xms) {
13719: int size = REG16(BX);
13720: if((size % 16) != 0) {
13721: size &= ~15;
13722: size += 16;
13723: }
13724: if(msdos_hma_mem_realloc(SREG_BASE(ES) + REG16(DI) - 0xffff0 - 0x10, size) != -1) {
13725: // memory block address is not changed
13726: } else {
13727: REG16(DI) = 0xffff;
13728: }
13729: } else {
13730: REG16(DI) = 0xffff;
13731: }
13732: } else if(REG8(DL) == 0x02) {
13733: if(!is_hma_used_by_xms) {
13734: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
13735: // restore first free mcb in high memory area
13736: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
13737: is_hma_used_by_int_2fh = false;
13738: } else {
13739: msdos_hma_mem_free(SREG_BASE(ES) + REG16(DI) - 0xffff0 - 0x10);
13740: if(msdos_hma_mem_get_free(NULL) == 0xffe0) {
13741: is_hma_used_by_int_2fh = false;
13742: }
13743: }
13744: }
13745: } else {
13746: 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));
13747: REG16(AX) = 0x01;
13748: m_CF = 1;
13749: }
13750: break;
13751: case 0x04: // Windows95 - Get Start of HMA Memory Chain
13752: if(!is_hma_used_by_xms) {
13753: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
13754: // restore first free mcb in high memory area
13755: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
13756: is_hma_used_by_int_2fh = false;
13757: }
13758: REG16(AX) = 0x0000;
13759: SREG(ES) = 0xffff;
13760: i386_load_segment_descriptor(ES);
13761: REG16(DI) = 0x10;
13762: }
13763: break;
13764: #else
1.1 root 13765: case 0x01:
13766: case 0x02:
1.1.1.29 root 13767: // HMA is already used
1.1.1.27 root 13768: REG16(BX) = 0x0000;
1.1.1.3 root 13769: SREG(ES) = 0xffff;
13770: i386_load_segment_descriptor(ES);
1.1 root 13771: REG16(DI) = 0xffff;
13772: break;
1.1.1.19 root 13773: case 0x03:
13774: // unable to allocate
13775: REG16(DI) = 0xffff;
13776: break;
13777: case 0x04:
13778: // function not supported, do not clear AX
13779: break;
1.1.1.29 root 13780: #endif
13781: case 0x10:
1.1.1.42 root 13782: switch(REG16(BX)) {
13783: case 0x0000:
13784: case 0x0001:
13785: case 0x0002:
13786: case 0x0003:
13787: case 0x0004:
13788: case 0x0005:
13789: case 0x0006:
13790: case 0x0007:
13791: case 0x0008:
13792: case 0x000a:
13793: case 0x1234:
13794: // SMARTDRV v4.00+ is not installed
13795: break;
13796: default:
1.1.1.29 root 13797: 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));
13798: REG16(AX) = 0x01;
13799: m_CF = 1;
1.1.1.42 root 13800: break;
1.1.1.29 root 13801: }
13802: break;
13803: case 0x11:
1.1.1.42 root 13804: switch(REG16(BX)) {
13805: case 0x0000:
13806: case 0x0001:
13807: case 0x0002:
13808: case 0x0003:
13809: case 0x0004:
13810: case 0x0005:
13811: case 0x0006:
13812: case 0x0007:
13813: case 0x0008:
13814: case 0x0009:
13815: case 0x000a:
13816: case 0x000b:
13817: case 0xfffe:
13818: case 0xffff:
1.1.1.29 root 13819: // DBLSPACE.BIN is not installed
1.1.1.42 root 13820: break;
13821: default:
13822: 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));
13823: REG16(AX) = 0x01;
13824: m_CF = 1;
13825: break;
13826: }
13827: break;
13828: case 0x12:
13829: if(REG16(CX) == 0x4d52 && REG16(DX) == 0x4349) {
13830: // Microsoft Realtime Compression Interface (MRCI) is not installed
13831: } else if(REG16(CX) == 0x5354 && REG16(DX) == 0x4143) {
13832: // Stacker 4 LZS Compression Interface (LZSAPI) is not installed
1.1.1.29 root 13833: } else {
13834: 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));
13835: REG16(AX) = 0x01;
13836: m_CF = 1;
13837: }
1.1.1.22 root 13838: break;
1.1.1.42 root 13839: case 0x13:
13840: // DBLSPACE.BIN is not installed
13841: break;
1.1.1.22 root 13842: default:
13843: 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));
13844: REG16(AX) = 0x01;
13845: m_CF = 1;
13846: break;
13847: }
13848: }
13849:
13850: inline void msdos_int_2fh_4bh()
13851: {
13852: switch(REG8(AL)) {
1.1.1.24 root 13853: case 0x01:
1.1.1.22 root 13854: case 0x02:
1.1.1.29 root 13855: // Task Switcher is not installed
1.1.1.24 root 13856: break;
13857: case 0x03:
13858: // this call is available from within DOSSHELL even if the task switcher is not installed
13859: REG16(AX) = REG16(BX) = 0x0000; // no more avaiable switcher id
1.1.1.22 root 13860: break;
1.1.1.30 root 13861: case 0x04:
13862: REG16(BX) = 0x0000; // free switcher id successfully
13863: break;
1.1.1.43 root 13864: case 0x05:
13865: REG16(BX) = 0x0000; // no instance data chain
13866: SREG(ES) = 0x0000;
13867: i386_load_segment_descriptor(ES);
13868: break;
1.1 root 13869: default:
1.1.1.22 root 13870: 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 13871: REG16(AX) = 0x01;
1.1.1.3 root 13872: m_CF = 1;
1.1 root 13873: break;
13874: }
13875: }
13876:
1.1.1.44 root 13877: inline void msdos_int_2fh_4dh()
13878: {
13879: switch(REG8(AL)) {
13880: case 0x00:
13881: // KKCFUNC is not installed ???
13882: break;
13883: default:
13884: // 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));
13885: REG16(AX) = 0x01; // invalid function
13886: m_CF = 1;
13887: break;
13888: }
13889: }
13890:
1.1 root 13891: inline void msdos_int_2fh_4fh()
13892: {
13893: switch(REG8(AL)) {
13894: case 0x00:
1.1.1.29 root 13895: // BILING is installed
1.1.1.27 root 13896: REG16(AX) = 0x0000;
13897: REG8(DL) = 0x01; // major version
13898: REG8(DH) = 0x00; // minor version
1.1 root 13899: break;
13900: case 0x01:
1.1.1.27 root 13901: REG16(AX) = 0x0000;
1.1 root 13902: REG16(BX) = active_code_page;
13903: break;
13904: default:
1.1.1.22 root 13905: 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));
13906: REG16(AX) = 0x01;
13907: m_CF = 1;
13908: break;
13909: }
13910: }
13911:
13912: inline void msdos_int_2fh_55h()
13913: {
13914: switch(REG8(AL)) {
13915: case 0x00:
13916: case 0x01:
13917: // 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));
13918: break;
13919: default:
13920: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1 root 13921: REG16(AX) = 0x01;
1.1.1.3 root 13922: m_CF = 1;
1.1 root 13923: break;
13924: }
13925: }
13926:
1.1.1.44 root 13927: inline void msdos_int_2fh_56h()
13928: {
13929: switch(REG8(AL)) {
13930: case 0x00:
13931: // INTERLNK is not installed
13932: break;
13933: case 0x01:
13934: // this call is available from within SCANDISK even if INTERLNK is not installed
13935: // if(msdos_is_remote_drive(REG8(BH))) {
13936: // REG8(AL) = 0x00;
13937: // }
13938: break;
13939: default:
13940: 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));
13941: REG16(AX) = 0x01;
13942: m_CF = 1;
13943: break;
13944: }
13945: }
13946:
1.1.1.24 root 13947: inline void msdos_int_2fh_adh()
13948: {
13949: switch(REG8(AL)) {
13950: case 0x00:
1.1.1.29 root 13951: // DISPLAY.SYS is installed
1.1.1.24 root 13952: REG8(AL) = 0xff;
13953: REG16(BX) = 0x100; // ???
13954: break;
13955: case 0x01:
13956: active_code_page = REG16(BX);
13957: msdos_nls_tables_update();
13958: REG16(AX) = 0x01;
13959: break;
13960: case 0x02:
13961: REG16(BX) = active_code_page;
13962: break;
13963: case 0x03:
13964: // FIXME
13965: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 1;
13966: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2) = 3;
13967: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4) = 1;
13968: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 6) = active_code_page;
13969: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 8) = active_code_page;
13970: break;
13971: case 0x80:
13972: break; // keyb.com is not installed
13973: default:
13974: 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));
13975: REG16(AX) = 0x01;
13976: m_CF = 1;
13977: break;
13978: }
13979: }
13980:
1.1 root 13981: inline void msdos_int_2fh_aeh()
13982: {
13983: switch(REG8(AL)) {
13984: case 0x00:
1.1.1.28 root 13985: // FIXME: we need to check the given command line
13986: REG8(AL) = 0x00; // the command should be executed as usual
13987: // REG8(AL) = 0xff; // this command is a TSR extension to COMMAND.COM
1.1 root 13988: break;
13989: case 0x01:
13990: {
13991: char command[MAX_PATH];
13992: memset(command, 0, sizeof(command));
1.1.1.3 root 13993: memcpy(command, mem + SREG_BASE(DS) + REG16(SI) + 1, mem[SREG_BASE(DS) + REG16(SI)]);
1.1 root 13994:
13995: param_block_t *param = (param_block_t *)(mem + WORK_TOP);
13996: param->env_seg = 0;
13997: param->cmd_line.w.l = 44;
13998: param->cmd_line.w.h = (WORK_TOP >> 4);
13999: param->fcb1.w.l = 24;
14000: param->fcb1.w.h = (WORK_TOP >> 4);
14001: param->fcb2.w.l = 24;
14002: param->fcb2.w.h = (WORK_TOP >> 4);
14003:
14004: memset(mem + WORK_TOP + 24, 0x20, 20);
14005:
14006: cmd_line_t *cmd_line = (cmd_line_t *)(mem + WORK_TOP + 44);
1.1.1.3 root 14007: cmd_line->len = mem[SREG_BASE(DS) + REG16(BX) + 1];
14008: memcpy(cmd_line->cmd, mem + SREG_BASE(DS) + REG16(BX) + 2, cmd_line->len);
1.1 root 14009: cmd_line->cmd[cmd_line->len] = 0x0d;
14010:
1.1.1.28 root 14011: try {
14012: msdos_process_exec(command, param, 0);
14013: } catch(...) {
14014: fatalerror("failed to start '%s' by int 2Fh, AX=AE01h\n", command);
1.1 root 14015: }
14016: }
14017: break;
14018: default:
1.1.1.22 root 14019: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1 root 14020: REG16(AX) = 0x01;
1.1.1.3 root 14021: m_CF = 1;
1.1 root 14022: break;
14023: }
14024: }
14025:
1.1.1.34 root 14026: inline void msdos_int_2fh_b7h()
14027: {
14028: switch(REG8(AL)) {
14029: case 0x00:
14030: // APPEND is not installed
14031: // REG8(AL) = 0x00;
14032: break;
1.1.1.44 root 14033: case 0x06:
14034: REG16(BX) = 0x0000;
14035: break;
1.1.1.34 root 14036: case 0x07:
1.1.1.43 root 14037: case 0x11:
1.1.1.34 root 14038: // COMMAND.COM calls this service without checking APPEND is installed
14039: break;
14040: default:
14041: 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));
14042: REG16(AX) = 0x01;
14043: m_CF = 1;
14044: break;
14045: }
14046: }
14047:
1.1.1.24 root 14048: inline void msdos_int_33h_0000h()
14049: {
14050: REG16(AX) = 0xffff; // hardware/driver installed
14051: REG16(BX) = MAX_MOUSE_BUTTONS;
14052: }
14053:
14054: inline void msdos_int_33h_0001h()
14055: {
1.1.1.34 root 14056: if(mouse.hidden > 0) {
14057: mouse.hidden--;
14058: }
14059: if(mouse.hidden == 0) {
1.1.1.24 root 14060: if(!(dwConsoleMode & ENABLE_MOUSE_INPUT)) {
14061: SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), dwConsoleMode | ENABLE_MOUSE_INPUT);
14062: }
14063: pic[1].imr &= ~0x10; // enable irq12
14064: }
14065: }
14066:
14067: inline void msdos_int_33h_0002h()
14068: {
1.1.1.34 root 14069: mouse.hidden++;
14070: // SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), dwConsoleMode & ~ENABLE_MOUSE_INPUT);
14071: pic[1].imr |= 0x10; // enable irq12
1.1.1.24 root 14072: }
14073:
14074: inline void msdos_int_33h_0003h()
14075: {
1.1.1.34 root 14076: // if(mouse.hidden > 0) {
14077: update_console_input();
14078: // }
1.1.1.24 root 14079: REG16(BX) = mouse.get_buttons();
1.1.1.34 root 14080: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.position.x));
14081: REG16(DX) = max(mouse.min_position.y & ~7, min(mouse.max_position.y & ~7, mouse.position.y));
14082: }
14083:
14084: inline void msdos_int_33h_0004h()
14085: {
14086: mouse.position.x = REG16(CX);
14087: mouse.position.x = REG16(DX);
1.1.1.24 root 14088: }
14089:
14090: inline void msdos_int_33h_0005h()
14091: {
1.1.1.34 root 14092: // if(mouse.hidden > 0) {
14093: update_console_input();
14094: // }
1.1.1.24 root 14095: if(REG16(BX) < MAX_MOUSE_BUTTONS) {
14096: int idx = REG16(BX);
1.1.1.34 root 14097: REG16(BX) = min(mouse.buttons[idx].pressed_times, 0x7fff);
14098: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.buttons[idx].pressed_position.x));
14099: 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 14100: mouse.buttons[idx].pressed_times = 0;
14101: } else {
14102: REG16(BX) = REG16(CX) = REG16(DX) = 0x0000;
14103: }
14104: REG16(AX) = mouse.get_buttons();
14105: }
14106:
14107: inline void msdos_int_33h_0006h()
14108: {
1.1.1.34 root 14109: // if(mouse.hidden > 0) {
14110: update_console_input();
14111: // }
1.1.1.24 root 14112: if(REG16(BX) < MAX_MOUSE_BUTTONS) {
14113: int idx = REG16(BX);
1.1.1.34 root 14114: REG16(BX) = min(mouse.buttons[idx].released_times, 0x7fff);
14115: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.buttons[idx].released_position.x));
14116: 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 14117: mouse.buttons[idx].released_times = 0;
14118: } else {
14119: REG16(BX) = REG16(CX) = REG16(DX) = 0x0000;
14120: }
14121: REG16(AX) = mouse.get_buttons();
14122: }
14123:
14124: inline void msdos_int_33h_0007h()
14125: {
14126: mouse.min_position.x = min(REG16(CX), REG16(DX));
14127: mouse.max_position.x = max(REG16(CX), REG16(DX));
14128: }
14129:
14130: inline void msdos_int_33h_0008h()
14131: {
14132: mouse.min_position.y = min(REG16(CX), REG16(DX));
14133: mouse.max_position.y = max(REG16(CX), REG16(DX));
14134: }
14135:
14136: inline void msdos_int_33h_0009h()
14137: {
14138: mouse.hot_spot[0] = REG16(BX);
14139: mouse.hot_spot[1] = REG16(CX);
14140: }
14141:
14142: inline void msdos_int_33h_000bh()
14143: {
1.1.1.34 root 14144: // if(mouse.hidden > 0) {
14145: update_console_input();
14146: // }
1.1.1.24 root 14147: int dx = (mouse.position.x - mouse.prev_position.x) * mouse.mickey.x / 8;
14148: int dy = (mouse.position.y - mouse.prev_position.y) * mouse.mickey.y / 8;
14149: mouse.prev_position.x = mouse.position.x;
14150: mouse.prev_position.y = mouse.position.y;
14151: REG16(CX) = dx;
14152: REG16(DX) = dy;
14153: }
14154:
14155: inline void msdos_int_33h_000ch()
14156: {
14157: mouse.call_mask = REG16(CX);
14158: mouse.call_addr.w.l = REG16(DX);
14159: mouse.call_addr.w.h = SREG(ES);
14160: }
14161:
14162: inline void msdos_int_33h_000fh()
14163: {
14164: mouse.mickey.x = REG16(CX);
14165: mouse.mickey.y = REG16(DX);
14166: }
14167:
14168: inline void msdos_int_33h_0011h()
14169: {
14170: REG16(AX) = 0xffff;
14171: REG16(BX) = MAX_MOUSE_BUTTONS;
14172: }
14173:
14174: inline void msdos_int_33h_0014h()
14175: {
14176: UINT16 old_mask = mouse.call_mask;
14177: UINT16 old_ofs = mouse.call_addr.w.l;
14178: UINT16 old_seg = mouse.call_addr.w.h;
14179:
14180: mouse.call_mask = REG16(CX);
14181: mouse.call_addr.w.l = REG16(DX);
14182: mouse.call_addr.w.h = SREG(ES);
14183:
14184: REG16(CX) = old_mask;
14185: REG16(DX) = old_ofs;
14186: SREG(ES) = old_seg;
14187: i386_load_segment_descriptor(ES);
14188: }
14189:
14190: inline void msdos_int_33h_0015h()
14191: {
14192: REG16(BX) = sizeof(mouse);
14193: }
14194:
14195: inline void msdos_int_33h_0016h()
14196: {
14197: memcpy(mem + SREG_BASE(ES) + REG16(DX), &mouse, sizeof(mouse));
14198: }
14199:
14200: inline void msdos_int_33h_0017h()
14201: {
14202: memcpy(&mouse, mem + SREG_BASE(ES) + REG16(DX), sizeof(mouse));
14203: }
14204:
1.1.1.43 root 14205: inline void msdos_int_33h_0018h()
14206: {
14207: for(int i = 0; i < 8; i++) {
14208: if(REG16(CX) & (1 << i)) {
14209: if(mouse.call_addr_alt[i].dw && !(REG16(DX) == 0 && SREG(ES) == 0)) {
14210: // event handler already exists
14211: REG16(AX) = 0xffff;
14212: break;
14213: }
14214: mouse.call_addr_alt[i].w.l = REG16(DX);
14215: mouse.call_addr_alt[i].w.h = SREG(ES);
14216: }
14217: }
14218: }
14219:
14220: inline void msdos_int_33h_0019h()
14221: {
14222: UINT16 call_mask = REG16(CX);
14223:
14224: REG16(CX) = 0;
14225:
14226: for(int i = 0; i < 8; i++) {
14227: if((call_mask & (1 << i)) && mouse.call_addr_alt[i].dw) {
14228: for(int j = 0; j < 8; j++) {
14229: if((call_mask & (1 << j)) && mouse.call_addr_alt[i].dw == mouse.call_addr_alt[j].dw) {
14230: REG16(CX) |= (1 << j);
14231: }
14232: }
14233: REG16(DX) = mouse.call_addr_alt[i].w.l;
14234: REG16(BX) = mouse.call_addr_alt[i].w.h;
14235: break;
14236: }
14237: }
14238: }
14239:
1.1.1.24 root 14240: inline void msdos_int_33h_001ah()
14241: {
14242: mouse.sensitivity[0] = REG16(BX);
14243: mouse.sensitivity[1] = REG16(CX);
14244: mouse.sensitivity[2] = REG16(DX);
14245: }
14246:
14247: inline void msdos_int_33h_001bh()
14248: {
14249: REG16(BX) = mouse.sensitivity[0];
14250: REG16(CX) = mouse.sensitivity[1];
14251: REG16(DX) = mouse.sensitivity[2];
14252: }
14253:
14254: inline void msdos_int_33h_001dh()
14255: {
14256: mouse.display_page = REG16(BX);
14257: }
14258:
14259: inline void msdos_int_33h_001eh()
14260: {
14261: REG16(BX) = mouse.display_page;
14262: }
14263:
1.1.1.34 root 14264: inline void msdos_int_33h_001fh()
14265: {
14266: // from DOSBox
14267: REG16(BX) = 0x0000;
14268: SREG(ES) = 0x0000;
14269: i386_load_segment_descriptor(ES);
14270: mouse.enabled = false;
14271: mouse.old_hidden = mouse.hidden;
14272: mouse.hidden = 1;
14273: }
14274:
14275: inline void msdos_int_33h_0020h()
14276: {
14277: // from DOSBox
14278: mouse.enabled = true;
14279: mouse.hidden = mouse.old_hidden;
14280: }
14281:
1.1.1.24 root 14282: inline void msdos_int_33h_0021h()
14283: {
14284: REG16(AX) = 0xffff;
14285: REG16(BX) = MAX_MOUSE_BUTTONS;
14286: }
14287:
14288: inline void msdos_int_33h_0022h()
14289: {
14290: mouse.language = REG16(BX);
14291: }
14292:
14293: inline void msdos_int_33h_0023h()
14294: {
14295: REG16(BX) = mouse.language;
14296: }
14297:
14298: inline void msdos_int_33h_0024h()
14299: {
14300: REG16(BX) = 0x0805; // V8.05
14301: REG16(CX) = 0x0400; // PS/2
14302: }
14303:
14304: inline void msdos_int_33h_0026h()
14305: {
14306: REG16(BX) = 0x0000;
14307: REG16(CX) = mouse.max_position.x;
14308: REG16(DX) = mouse.max_position.y;
14309: }
14310:
14311: inline void msdos_int_33h_002ah()
14312: {
1.1.1.34 root 14313: REG16(AX) = -mouse.hidden;
1.1.1.24 root 14314: REG16(BX) = mouse.hot_spot[0];
14315: REG16(CX) = mouse.hot_spot[1];
14316: REG16(DX) = 4; // PS/2
14317: }
14318:
14319: inline void msdos_int_33h_0031h()
14320: {
14321: REG16(AX) = mouse.min_position.x;
14322: REG16(BX) = mouse.min_position.y;
14323: REG16(CX) = mouse.max_position.x;
14324: REG16(DX) = mouse.max_position.y;
14325: }
14326:
14327: inline void msdos_int_33h_0032h()
14328: {
14329: REG16(AX) = 0;
14330: // REG16(AX) |= 0x8000; // 0025h
14331: REG16(AX) |= 0x4000; // 0026h
14332: // REG16(AX) |= 0x2000; // 0027h
14333: // REG16(AX) |= 0x1000; // 0028h
14334: // REG16(AX) |= 0x0800; // 0029h
14335: REG16(AX) |= 0x0400; // 002ah
14336: // REG16(AX) |= 0x0200; // 002bh
14337: // REG16(AX) |= 0x0100; // 002ch
14338: // REG16(AX) |= 0x0080; // 002dh
14339: // REG16(AX) |= 0x0040; // 002eh
14340: REG16(AX) |= 0x0020; // 002fh
14341: // REG16(AX) |= 0x0010; // 0030h
14342: REG16(AX) |= 0x0008; // 0031h
14343: REG16(AX) |= 0x0004; // 0032h
14344: // REG16(AX) |= 0x0002; // 0033h
14345: // REG16(AX) |= 0x0001; // 0034h
14346: }
14347:
1.1.1.19 root 14348: inline void msdos_int_67h_40h()
14349: {
14350: if(!support_ems) {
14351: REG8(AH) = 0x84;
14352: } else {
14353: REG8(AH) = 0x00;
14354: }
14355: }
14356:
14357: inline void msdos_int_67h_41h()
14358: {
14359: if(!support_ems) {
14360: REG8(AH) = 0x84;
14361: } else {
14362: REG8(AH) = 0x00;
14363: REG16(BX) = EMS_TOP >> 4;
14364: }
14365: }
14366:
14367: inline void msdos_int_67h_42h()
14368: {
14369: if(!support_ems) {
14370: REG8(AH) = 0x84;
14371: } else {
14372: REG8(AH) = 0x00;
14373: REG16(BX) = free_ems_pages;
14374: REG16(DX) = MAX_EMS_PAGES;
14375: }
14376: }
14377:
14378: inline void msdos_int_67h_43h()
14379: {
14380: if(!support_ems) {
14381: REG8(AH) = 0x84;
14382: } else if(REG16(BX) > MAX_EMS_PAGES) {
14383: REG8(AH) = 0x87;
14384: } else if(REG16(BX) > free_ems_pages) {
14385: REG8(AH) = 0x88;
14386: } else if(REG16(BX) == 0) {
14387: REG8(AH) = 0x89;
14388: } else {
1.1.1.31 root 14389: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 14390: if(!ems_handles[i].allocated) {
14391: ems_allocate_pages(i, REG16(BX));
14392: REG8(AH) = 0x00;
14393: REG16(DX) = i;
14394: return;
14395: }
14396: }
14397: REG8(AH) = 0x85;
14398: }
14399: }
14400:
14401: inline void msdos_int_67h_44h()
14402: {
14403: if(!support_ems) {
14404: REG8(AH) = 0x84;
1.1.1.31 root 14405: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 14406: REG8(AH) = 0x83;
14407: } else if(!(REG16(BX) == 0xffff || REG16(BX) < ems_handles[REG16(DX)].pages)) {
14408: REG8(AH) = 0x8a;
14409: // } else if(!(REG8(AL) < 4)) {
14410: // REG8(AH) = 0x8b;
14411: } else if(REG16(BX) == 0xffff) {
14412: ems_unmap_page(REG8(AL) & 3);
14413: REG8(AH) = 0x00;
14414: } else {
14415: ems_map_page(REG8(AL) & 3, REG16(DX), REG16(BX));
14416: REG8(AH) = 0x00;
14417: }
14418: }
14419:
14420: inline void msdos_int_67h_45h()
14421: {
14422: if(!support_ems) {
14423: REG8(AH) = 0x84;
1.1.1.31 root 14424: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 14425: REG8(AH) = 0x83;
14426: } else {
14427: ems_release_pages(REG16(DX));
14428: REG8(AH) = 0x00;
14429: }
14430: }
14431:
14432: inline void msdos_int_67h_46h()
14433: {
14434: if(!support_ems) {
14435: REG8(AH) = 0x84;
14436: } else {
1.1.1.29 root 14437: // REG16(AX) = 0x0032; // EMS 3.2
14438: REG16(AX) = 0x0040; // EMS 4.0
1.1.1.19 root 14439: }
14440: }
14441:
14442: inline void msdos_int_67h_47h()
14443: {
14444: // NOTE: the map data should be stored in the specified ems page, not process data
14445: process_t *process = msdos_process_info_get(current_psp);
14446:
14447: if(!support_ems) {
14448: REG8(AH) = 0x84;
1.1.1.31 root 14449: // } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 14450: // REG8(AH) = 0x83;
14451: } else if(process->ems_pages_stored) {
14452: REG8(AH) = 0x8d;
14453: } else {
14454: for(int i = 0; i < 4; i++) {
14455: process->ems_pages[i].handle = ems_pages[i].handle;
14456: process->ems_pages[i].page = ems_pages[i].page;
14457: process->ems_pages[i].mapped = ems_pages[i].mapped;
14458: }
14459: process->ems_pages_stored = true;
14460: REG8(AH) = 0x00;
14461: }
14462: }
14463:
14464: inline void msdos_int_67h_48h()
14465: {
14466: // NOTE: the map data should be restored from the specified ems page, not process data
14467: process_t *process = msdos_process_info_get(current_psp);
14468:
14469: if(!support_ems) {
14470: REG8(AH) = 0x84;
1.1.1.31 root 14471: // } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 14472: // REG8(AH) = 0x83;
14473: } else if(!process->ems_pages_stored) {
14474: REG8(AH) = 0x8e;
14475: } else {
14476: for(int i = 0; i < 4; i++) {
14477: if(process->ems_pages[i].mapped) {
14478: ems_map_page(i, process->ems_pages[i].handle, process->ems_pages[i].page);
14479: } else {
14480: ems_unmap_page(i);
14481: }
14482: }
14483: process->ems_pages_stored = false;
14484: REG8(AH) = 0x00;
14485: }
14486: }
14487:
14488: inline void msdos_int_67h_4bh()
14489: {
14490: if(!support_ems) {
14491: REG8(AH) = 0x84;
14492: } else {
14493: REG8(AH) = 0x00;
14494: REG16(BX) = 0;
1.1.1.31 root 14495: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 14496: if(ems_handles[i].allocated) {
14497: REG16(BX)++;
14498: }
14499: }
14500: }
14501: }
14502:
14503: inline void msdos_int_67h_4ch()
14504: {
14505: if(!support_ems) {
14506: REG8(AH) = 0x84;
1.1.1.31 root 14507: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 14508: REG8(AH) = 0x83;
14509: } else {
14510: REG8(AH) = 0x00;
14511: REG16(BX) = ems_handles[REG16(DX)].pages;
14512: }
14513: }
14514:
14515: inline void msdos_int_67h_4dh()
14516: {
14517: if(!support_ems) {
14518: REG8(AH) = 0x84;
14519: } else {
14520: REG8(AH) = 0x00;
14521: REG16(BX) = 0;
1.1.1.31 root 14522: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 14523: if(ems_handles[i].allocated) {
14524: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * REG16(BX) + 0) = i;
14525: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * REG16(BX) + 2) = ems_handles[i].pages;
14526: REG16(BX)++;
14527: }
14528: }
14529: }
14530: }
14531:
1.1.1.20 root 14532: inline void msdos_int_67h_4eh()
14533: {
14534: if(!support_ems) {
14535: REG8(AH) = 0x84;
14536: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01 || REG8(AL) == 0x02) {
14537: if(REG8(AL) == 0x00 || REG8(AL) == 0x02) {
14538: // save page map
14539: for(int i = 0; i < 4; i++) {
14540: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 0) = ems_pages[i].mapped ? ems_pages[i].handle : 0xffff;
14541: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 2) = ems_pages[i].mapped ? ems_pages[i].page : 0xffff;
14542: }
14543: }
14544: if(REG8(AL) == 0x01 || REG8(AL) == 0x02) {
14545: // restore page map
14546: for(int i = 0; i < 4; i++) {
14547: UINT16 handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 0);
14548: UINT16 page = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 2);
14549:
1.1.1.31 root 14550: if(handle >= 1 && handle <= MAX_EMS_HANDLES && ems_handles[handle].allocated && page < ems_handles[handle].pages) {
1.1.1.20 root 14551: ems_map_page(i, handle, page);
14552: } else {
14553: ems_unmap_page(i);
14554: }
14555: }
14556: }
14557: REG8(AH) = 0x00;
14558: } else if(REG8(AL) == 0x03) {
14559: REG8(AH) = 0x00;
1.1.1.21 root 14560: REG8(AL) = 4 * 4;
14561: } else {
1.1.1.22 root 14562: 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 14563: REG8(AH) = 0x8f;
14564: }
14565: }
14566:
14567: inline void msdos_int_67h_4fh()
14568: {
14569: if(!support_ems) {
14570: REG8(AH) = 0x84;
14571: } else if(REG8(AL) == 0x00) {
14572: int count = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI));
14573:
14574: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI)) = count;
14575: for(int i = 0; i < count; i++) {
14576: UINT16 segment = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 2 * i);
14577: UINT16 physical = ((segment << 4) - EMS_TOP) / 0x4000;
14578:
14579: // if(!(physical < 4)) {
14580: // REG8(AH) = 0x8b;
14581: // return;
14582: // }
14583: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2 + 6 * i + 0) = segment;
1.1.1.41 root 14584: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2 + 6 * i + 2) = ems_pages[physical & 3].mapped ? ems_pages[physical & 3].handle : 0xffff;
14585: *(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 14586: }
14587: REG8(AH) = 0x00;
14588: } else if(REG8(AL) == 0x01) {
14589: int count = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI));
14590:
14591: for(int i = 0; i < count; i++) {
14592: UINT16 segment = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 6 * i + 0);
14593: UINT16 physical = ((segment << 4) - EMS_TOP) / 0x4000;
14594: UINT16 handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 6 * i + 2);
14595: UINT16 logical = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 6 * i + 4);
14596:
14597: // if(!(physical < 4)) {
14598: // REG8(AH) = 0x8b;
14599: // return;
14600: // } else
1.1.1.41 root 14601: if(handle >= 1 && handle <= MAX_EMS_HANDLES && ems_handles[handle].allocated && logical < ems_handles[handle].pages) {
1.1.1.21 root 14602: ems_map_page(physical & 3, handle, logical);
14603: } else {
1.1.1.41 root 14604: ems_unmap_page(physical & 3);
1.1.1.21 root 14605: }
14606: }
14607: REG8(AH) = 0x00;
14608: } else if(REG8(AL) == 0x02) {
14609: REG8(AH) = 0x00;
14610: REG8(AL) = 2 + REG16(BX) * 6;
1.1.1.20 root 14611: } else {
1.1.1.22 root 14612: 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 14613: REG8(AH) = 0x8f;
14614: }
14615: }
14616:
14617: inline void msdos_int_67h_50h()
14618: {
14619: if(!support_ems) {
14620: REG8(AH) = 0x84;
1.1.1.31 root 14621: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.20 root 14622: REG8(AH) = 0x83;
14623: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
14624: for(int i = 0; i < REG16(CX); i++) {
14625: int logical = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 0);
14626: int physical = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 2);
14627:
14628: if(REG8(AL) == 0x01) {
14629: physical = ((physical << 4) - EMS_TOP) / 0x4000;
14630: }
14631: // if(!(physical < 4)) {
14632: // REG8(AH) = 0x8b;
14633: // return;
14634: // } else
14635: if(logical == 0xffff) {
14636: ems_unmap_page(physical & 3);
14637: } else if(logical < ems_handles[REG16(DX)].pages) {
14638: ems_map_page(physical & 3, REG16(DX), logical);
14639: } else {
14640: REG8(AH) = 0x8a;
14641: return;
14642: }
14643: }
14644: REG8(AH) = 0x00;
14645: } else {
1.1.1.22 root 14646: 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 14647: REG8(AH) = 0x8f;
14648: }
14649: }
14650:
1.1.1.19 root 14651: inline void msdos_int_67h_51h()
14652: {
14653: if(!support_ems) {
14654: REG8(AH) = 0x84;
1.1.1.31 root 14655: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 14656: REG8(AH) = 0x83;
14657: } else if(REG16(BX) > MAX_EMS_PAGES) {
14658: REG8(AH) = 0x87;
14659: } else if(REG16(BX) > free_ems_pages + ems_handles[REG16(DX)].pages) {
14660: REG8(AH) = 0x88;
14661: } else {
14662: ems_reallocate_pages(REG16(DX), REG16(BX));
14663: REG8(AH) = 0x00;
14664: }
14665: }
14666:
1.1.1.20 root 14667: inline void msdos_int_67h_52h()
14668: {
14669: if(!support_ems) {
14670: REG8(AH) = 0x84;
1.1.1.31 root 14671: // } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
14672: // REG8(AH) = 0x83;
1.1.1.20 root 14673: } else if(REG8(AL) == 0x00) {
14674: REG8(AL) = 0x00; // handle is volatile
14675: REG8(AH) = 0x00;
14676: } else if(REG8(AL) == 0x01) {
14677: if(REG8(BL) == 0x00) {
14678: REG8(AH) = 0x00;
14679: } else {
14680: REG8(AH) = 0x90; // undefined attribute type
14681: }
14682: } else if(REG8(AL) == 0x02) {
14683: REG8(AL) = 0x00; // only volatile handles supported
14684: REG8(AH) = 0x00;
14685: } else {
1.1.1.22 root 14686: 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 14687: REG8(AH) = 0x8f;
14688: }
14689: }
14690:
1.1.1.19 root 14691: inline void msdos_int_67h_53h()
14692: {
14693: if(!support_ems) {
14694: REG8(AH) = 0x84;
1.1.1.31 root 14695: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 14696: REG8(AH) = 0x83;
14697: } else if(REG8(AL) == 0x00) {
14698: memcpy(mem + SREG_BASE(ES) + REG16(DI), ems_handles[REG16(DX)].name, 8);
14699: REG8(AH) = 0x00;
14700: } else if(REG8(AL) == 0x01) {
1.1.1.31 root 14701: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 14702: if(ems_handles[i].allocated && memcmp(ems_handles[REG16(DX)].name, mem + SREG_BASE(DS) + REG16(SI), 8) == 0) {
14703: REG8(AH) = 0xa1;
14704: return;
14705: }
14706: }
14707: REG8(AH) = 0x00;
14708: memcpy(ems_handles[REG16(DX)].name, mem + SREG_BASE(DS) + REG16(SI), 8);
14709: } else {
1.1.1.22 root 14710: 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 14711: REG8(AH) = 0x8f;
1.1.1.19 root 14712: }
14713: }
14714:
14715: inline void msdos_int_67h_54h()
14716: {
14717: if(!support_ems) {
14718: REG8(AH) = 0x84;
14719: } else if(REG8(AL) == 0x00) {
1.1.1.31 root 14720: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 14721: if(ems_handles[i].allocated) {
14722: memcpy(mem + SREG_BASE(ES) + REG16(DI) + 10 * i + 2, ems_handles[i].name, 10);
14723: } else {
14724: memset(mem + SREG_BASE(ES) + REG16(DI) + 10 * i + 2, 0, 10);
14725: }
14726: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 10 * i + 0) = i;
14727: }
14728: REG8(AH) = 0x00;
14729: REG8(AL) = MAX_EMS_HANDLES;
14730: } else if(REG8(AL) == 0x01) {
14731: REG8(AH) = 0xa0; // not found
1.1.1.31 root 14732: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 14733: if(ems_handles[i].allocated && memcmp(ems_handles[REG16(DX)].name, mem + SREG_BASE(DS) + REG16(SI), 8) == 0) {
14734: REG8(AH) = 0x00;
14735: REG16(DX) = i;
14736: break;
14737: }
14738: }
14739: } else if(REG8(AL) == 0x02) {
14740: REG8(AH) = 0x00;
14741: REG16(BX) = MAX_EMS_HANDLES;
14742: } else {
1.1.1.22 root 14743: 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 14744: REG8(AH) = 0x8f;
14745: }
14746: }
14747:
14748: inline void msdos_int_67h_57h_tmp()
14749: {
14750: UINT32 copy_length = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00);
14751: UINT8 src_type = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x04);
14752: UINT16 src_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x05);
14753: UINT16 src_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07);
14754: UINT16 src_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x09);
14755: UINT8 dest_type = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0b);
14756: UINT16 dest_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0c);
14757: UINT16 dest_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0e);
14758: UINT16 dest_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x10);
14759:
1.1.1.32 root 14760: UINT8 *src_buffer = NULL, *dest_buffer = NULL;
1.1.1.20 root 14761: UINT32 src_addr, dest_addr;
14762: UINT32 src_addr_max, dest_addr_max;
14763:
14764: if(src_type == 0) {
14765: src_buffer = mem;
14766: src_addr = (src_seg << 4) + src_ofs;
14767: src_addr_max = MAX_MEM;
14768: } else {
1.1.1.31 root 14769: if(!(src_handle >= 1 && src_handle <= MAX_EMS_HANDLES && ems_handles[src_handle].allocated)) {
1.1.1.20 root 14770: REG8(AH) = 0x83;
14771: return;
14772: } else if(!(src_seg < ems_handles[src_handle].pages)) {
14773: REG8(AH) = 0x8a;
14774: return;
14775: }
1.1.1.32 root 14776: if(ems_handles[src_handle].buffer != NULL) {
14777: src_buffer = ems_handles[src_handle].buffer + 0x4000 * src_seg;
14778: }
1.1.1.20 root 14779: src_addr = src_ofs;
1.1.1.32 root 14780: src_addr_max = 0x4000 * (ems_handles[src_handle].pages - src_seg);
1.1.1.20 root 14781: }
14782: if(dest_type == 0) {
14783: dest_buffer = mem;
14784: dest_addr = (dest_seg << 4) + dest_ofs;
14785: dest_addr_max = MAX_MEM;
14786: } else {
1.1.1.31 root 14787: if(!(dest_handle >= 1 && dest_handle <= MAX_EMS_HANDLES && ems_handles[dest_handle].allocated)) {
1.1.1.20 root 14788: REG8(AH) = 0x83;
14789: return;
14790: } else if(!(dest_seg < ems_handles[dest_handle].pages)) {
14791: REG8(AH) = 0x8a;
14792: return;
14793: }
1.1.1.32 root 14794: if(ems_handles[dest_handle].buffer != NULL) {
14795: dest_buffer = ems_handles[dest_handle].buffer + 0x4000 * dest_seg;
14796: }
1.1.1.20 root 14797: dest_addr = dest_ofs;
1.1.1.32 root 14798: dest_addr_max = 0x4000 * (ems_handles[dest_handle].pages - dest_seg);
1.1.1.20 root 14799: }
1.1.1.32 root 14800: if(src_buffer != NULL && dest_buffer != NULL) {
14801: for(int i = 0; i < copy_length; i++) {
14802: if(src_addr < src_addr_max && dest_addr < dest_addr_max) {
14803: if(REG8(AL) == 0x00) {
14804: dest_buffer[dest_addr++] = src_buffer[src_addr++];
14805: } else if(REG8(AL) == 0x01) {
14806: UINT8 tmp = dest_buffer[dest_addr];
14807: dest_buffer[dest_addr++] = src_buffer[src_addr];
14808: src_buffer[src_addr++] = tmp;
14809: }
14810: } else {
14811: REG8(AH) = 0x93;
14812: return;
1.1.1.20 root 14813: }
14814: }
1.1.1.32 root 14815: REG8(AH) = 0x00;
14816: } else {
14817: REG8(AH) = 0x80;
1.1.1.20 root 14818: }
14819: }
14820:
14821: inline void msdos_int_67h_57h()
14822: {
14823: if(!support_ems) {
14824: REG8(AH) = 0x84;
14825: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
14826: struct {
14827: UINT16 handle;
14828: UINT16 page;
14829: bool mapped;
14830: } tmp_pages[4];
14831:
14832: // unmap pages to copy memory data to ems buffer
14833: for(int i = 0; i < 4; i++) {
14834: tmp_pages[i].handle = ems_pages[i].handle;
14835: tmp_pages[i].page = ems_pages[i].page;
14836: tmp_pages[i].mapped = ems_pages[i].mapped;
14837: ems_unmap_page(i);
14838: }
14839:
14840: // run move/exchange operation
14841: msdos_int_67h_57h_tmp();
14842:
14843: // restore unmapped pages
14844: for(int i = 0; i < 4; i++) {
14845: if(tmp_pages[i].mapped) {
14846: ems_map_page(i, tmp_pages[i].handle, tmp_pages[i].page);
14847: }
14848: }
14849: } else {
1.1.1.22 root 14850: 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 14851: REG8(AH) = 0x8f;
14852: }
14853: }
14854:
14855: inline void msdos_int_67h_58h()
14856: {
14857: if(!support_ems) {
14858: REG8(AH) = 0x84;
14859: } else if(REG8(AL) == 0x00) {
14860: for(int i = 0; i < 4; i++) {
1.1.1.30 root 14861: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 0) = (EMS_TOP + 0x4000 * i) >> 4;
14862: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 2) = i;
1.1.1.20 root 14863: }
14864: REG8(AH) = 0x00;
14865: REG16(CX) = 4;
14866: } else if(REG8(AL) == 0x01) {
14867: REG8(AH) = 0x00;
14868: REG16(CX) = 4;
14869: } else {
1.1.1.22 root 14870: 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 14871: REG8(AH) = 0x8f;
14872: }
14873: }
14874:
1.1.1.42 root 14875: inline void msdos_int_67h_59h()
14876: {
14877: if(!support_ems) {
14878: REG8(AH) = 0x84;
14879: } else if(REG8(AL) == 0x00) {
14880: REG8(AH) = 0xa4; // access denied by operating system
14881: } else if(REG8(AL) == 0x01) {
14882: REG8(AH) = 0x00;
14883: REG16(BX) = free_ems_pages;
14884: REG16(DX) = MAX_EMS_PAGES;
14885: } else {
14886: 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));
14887: REG8(AH) = 0x8f;
14888: }
14889: }
14890:
1.1.1.20 root 14891: inline void msdos_int_67h_5ah()
14892: {
14893: if(!support_ems) {
1.1.1.19 root 14894: REG8(AH) = 0x84;
1.1.1.20 root 14895: } else if(REG16(BX) > MAX_EMS_PAGES) {
14896: REG8(AH) = 0x87;
14897: } else if(REG16(BX) > free_ems_pages) {
14898: REG8(AH) = 0x88;
14899: // } else if(REG16(BX) == 0) {
14900: // REG8(AH) = 0x89;
14901: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
1.1.1.31 root 14902: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.20 root 14903: if(!ems_handles[i].allocated) {
14904: ems_allocate_pages(i, REG16(BX));
14905: REG8(AH) = 0x00;
14906: REG16(DX) = i;
14907: return;
14908: }
14909: }
14910: REG8(AH) = 0x85;
14911: } else {
1.1.1.22 root 14912: 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 14913: REG8(AH) = 0x8f;
1.1.1.19 root 14914: }
14915: }
14916:
1.1.1.43 root 14917: inline void msdos_int_67h_5dh()
14918: {
14919: if(!support_ems) {
14920: REG8(AH) = 0x84;
14921: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01 || REG8(AL) == 0x02) {
14922: REG8(AH) = 0xa4; // operating system denied access
14923: } else {
14924: 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));
14925: REG8(AH) = 0x8f;
14926: }
14927: }
14928:
1.1.1.30 root 14929: inline void msdos_int_67h_deh()
14930: {
14931: REG8(AH) = 0x84;
14932: }
14933:
1.1.1.19 root 14934: #ifdef SUPPORT_XMS
14935:
1.1.1.32 root 14936: void msdos_xms_init()
1.1.1.26 root 14937: {
1.1.1.30 root 14938: emb_handle_top = (emb_handle_t *)calloc(1, sizeof(emb_handle_t));
14939: emb_handle_top->address = EMB_TOP;
14940: emb_handle_top->size_kb = (EMB_END - EMB_TOP) >> 10;
1.1.1.26 root 14941: xms_a20_local_enb_count = 0;
14942: }
14943:
1.1.1.32 root 14944: void msdos_xms_finish()
14945: {
14946: msdos_xms_release();
14947: }
14948:
14949: void msdos_xms_release()
1.1.1.30 root 14950: {
14951: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL;) {
14952: emb_handle_t *next_handle = emb_handle->next;
14953: free(emb_handle);
14954: emb_handle = next_handle;
14955: }
14956: }
14957:
14958: emb_handle_t *msdos_xms_get_emb_handle(int handle)
14959: {
14960: if(handle != 0) {
14961: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
14962: if(emb_handle->handle == handle) {
14963: return(emb_handle);
14964: }
14965: }
14966: }
14967: return(NULL);
14968: }
14969:
14970: int msdos_xms_get_unused_emb_handle_id()
14971: {
14972: for(int handle = 1;; handle++) {
14973: if(msdos_xms_get_emb_handle(handle) == NULL) {
14974: return(handle);
14975: }
14976: }
14977: return(0);
14978: }
14979:
14980: int msdos_xms_get_unused_emb_handle_count()
14981: {
14982: int count = 64; //255;
14983:
14984: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
14985: if(emb_handle->handle != 0) {
14986: if(--count == 1) {
14987: break;
14988: }
14989: }
14990: }
14991: return(count);
14992: }
14993:
14994: void msdos_xms_split_emb_handle(emb_handle_t *emb_handle, int size_kb)
14995: {
14996: if(emb_handle->size_kb > size_kb) {
14997: emb_handle_t *new_handle = (emb_handle_t *)calloc(1, sizeof(emb_handle_t));
14998:
14999: new_handle->address = emb_handle->address + size_kb * 1024;
15000: new_handle->size_kb = emb_handle->size_kb - size_kb;
15001: emb_handle->size_kb = size_kb;
15002:
15003: new_handle->prev = emb_handle;
15004: new_handle->next = emb_handle->next;
15005: if(emb_handle->next != NULL) {
15006: emb_handle->next->prev = new_handle;
15007: }
15008: emb_handle->next = new_handle;
15009: }
15010: }
15011:
15012: void msdos_xms_combine_emb_handles(emb_handle_t *emb_handle)
15013: {
15014: emb_handle_t *next_handle = emb_handle->next;
15015:
15016: if(next_handle != NULL) {
15017: emb_handle->size_kb += next_handle->size_kb;
15018:
15019: if(next_handle->next != NULL) {
15020: next_handle->next->prev = emb_handle;
15021: }
15022: emb_handle->next = next_handle->next;
15023: free(next_handle);
15024: }
15025: }
15026:
15027: emb_handle_t *msdos_xms_alloc_emb_handle(int size_kb)
15028: {
15029: emb_handle_t *target_handle = NULL;
15030:
15031: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
15032: if(emb_handle->handle == 0 && emb_handle->size_kb >= size_kb) {
15033: if(target_handle == NULL || target_handle->size_kb > emb_handle->size_kb) {
15034: target_handle = emb_handle;
15035: }
15036: }
15037: }
15038: if(target_handle != NULL) {
15039: if(target_handle->size_kb > size_kb) {
15040: msdos_xms_split_emb_handle(target_handle, size_kb);
15041: }
15042: // target_handle->handle = msdos_xms_get_unused_emb_handle_id();
15043: return(target_handle);
15044: }
15045: return(NULL);
15046: }
15047:
15048: void msdos_xms_free_emb_handle(emb_handle_t *emb_handle)
15049: {
15050: emb_handle_t *prev_handle = emb_handle->prev;
15051: emb_handle_t *next_handle = emb_handle->next;
15052:
15053: if(prev_handle != NULL && prev_handle->handle == 0) {
15054: msdos_xms_combine_emb_handles(prev_handle);
15055: emb_handle = prev_handle;
15056: }
15057: if(next_handle != NULL && next_handle->handle == 0) {
15058: msdos_xms_combine_emb_handles(emb_handle);
15059: }
15060: emb_handle->handle = 0;
15061: }
15062:
1.1.1.19 root 15063: inline void msdos_call_xms_00h()
15064: {
1.1.1.29 root 15065: #if defined(HAS_I386)
15066: REG16(AX) = 0x0300; // V3.00 (XMS Version)
1.1.1.45! root 15067: // REG16(BX) = 0x0395; // V3.95 (Driver Revision in BCD)
1.1.1.29 root 15068: REG16(BX) = 0x035f; // V3.95 (Driver Revision)
15069: #else
15070: REG16(AX) = 0x0200; // V2.00 (XMS Version)
15071: REG16(BX) = 0x0270; // V2.70 (Driver Revision)
15072: #endif
15073: // REG16(DX) = 0x0000; // HMA does not exist
15074: REG16(DX) = 0x0001; // HMA does exist
1.1.1.19 root 15075: }
15076:
15077: inline void msdos_call_xms_01h()
15078: {
1.1.1.29 root 15079: if(REG8(AL) == 0x40) {
15080: // HIMEM.SYS will fail function 01h with error code 91h if AL=40h and
15081: // DX=KB free extended memory returned by last call of function 08h
15082: REG16(AX) = 0x0000;
15083: REG8(BL) = 0x91;
15084: REG16(DX) = xms_dx_after_call_08h;
15085: } else if(memcmp(mem + 0x100003, "VDISK", 5) == 0) {
15086: REG16(AX) = 0x0000;
15087: REG8(BL) = 0x81; // Vdisk was detected
15088: #ifdef SUPPORT_HMA
15089: } else if(is_hma_used_by_int_2fh) {
15090: REG16(AX) = 0x0000;
15091: REG8(BL) = 0x90; // HMA does not exist or is not managed by XMS provider
15092: } else if(is_hma_used_by_xms) {
15093: REG16(AX) = 0x0000;
15094: REG8(BL) = 0x91; // HMA is already in use
15095: } else {
15096: REG16(AX) = 0x0001;
15097: is_hma_used_by_xms = true;
15098: #else
15099: } else {
15100: REG16(AX) = 0x0000;
15101: REG8(BL) = 0x91; // HMA is already in use
15102: #endif
15103: }
1.1.1.19 root 15104: }
15105:
15106: inline void msdos_call_xms_02h()
15107: {
1.1.1.29 root 15108: if(memcmp(mem + 0x100003, "VDISK", 5) == 0) {
15109: REG16(AX) = 0x0000;
15110: REG8(BL) = 0x81; // Vdisk was detected
15111: #ifdef SUPPORT_HMA
15112: } else if(is_hma_used_by_int_2fh) {
15113: REG16(AX) = 0x0000;
15114: REG8(BL) = 0x90; // HMA does not exist or is not managed by XMS provider
15115: } else if(!is_hma_used_by_xms) {
15116: REG16(AX) = 0x0000;
15117: REG8(BL) = 0x93; // HMA is not allocated
15118: } else {
15119: REG16(AX) = 0x0001;
15120: is_hma_used_by_xms = false;
15121: // restore first free mcb in high memory area
15122: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
15123: #else
15124: } else {
15125: REG16(AX) = 0x0000;
15126: REG8(BL) = 0x91; // HMA is already in use
15127: #endif
15128: }
1.1.1.19 root 15129: }
15130:
15131: inline void msdos_call_xms_03h()
15132: {
15133: i386_set_a20_line(1);
15134: REG16(AX) = 0x0001;
15135: REG8(BL) = 0x00;
15136: }
15137:
15138: inline void msdos_call_xms_04h()
15139: {
1.1.1.21 root 15140: i386_set_a20_line(0);
15141: REG16(AX) = 0x0001;
15142: REG8(BL) = 0x00;
1.1.1.19 root 15143: }
15144:
15145: inline void msdos_call_xms_05h()
15146: {
15147: i386_set_a20_line(1);
15148: REG16(AX) = 0x0001;
15149: REG8(BL) = 0x00;
1.1.1.21 root 15150: xms_a20_local_enb_count++;
1.1.1.19 root 15151: }
15152:
15153: void msdos_call_xms_06h()
15154: {
1.1.1.21 root 15155: if(xms_a20_local_enb_count > 0) {
1.1.1.45! root 15156: if(--xms_a20_local_enb_count == 0) {
! 15157: i386_set_a20_line(0);
! 15158: REG16(AX) = 0x0001;
! 15159: REG8(BL) = 0x00;
! 15160: } else {
! 15161: REG16(AX) = 0x0000;
! 15162: REG8(BL) = 0x94;
! 15163: }
1.1.1.21 root 15164: } else {
1.1.1.45! root 15165: i386_set_a20_line(0);
1.1.1.21 root 15166: REG16(AX) = 0x0001;
15167: REG8(BL) = 0x00;
1.1.1.19 root 15168: }
15169: }
15170:
15171: inline void msdos_call_xms_07h()
15172: {
15173: REG16(AX) = (m_a20_mask >> 20) & 1;
15174: REG8(BL) = 0x00;
15175: }
15176:
15177: inline void msdos_call_xms_08h()
15178: {
1.1.1.45! root 15179: UINT32 eax = 0, edx = 0;
1.1.1.19 root 15180:
1.1.1.30 root 15181: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
15182: if(emb_handle->handle == 0) {
1.1.1.45! root 15183: if(eax < emb_handle->size_kb) {
! 15184: eax = emb_handle->size_kb;
1.1.1.19 root 15185: }
1.1.1.45! root 15186: edx += emb_handle->size_kb;
1.1.1.19 root 15187: }
15188: }
1.1.1.45! root 15189: if(eax > 65535) {
! 15190: eax = 65535;
! 15191: }
! 15192: if(edx > 65535) {
! 15193: edx = 65535;
! 15194: }
! 15195: if(eax == 0 && edx == 0) {
1.1.1.19 root 15196: REG8(BL) = 0xa0;
15197: } else {
15198: REG8(BL) = 0x00;
15199: }
1.1.1.45! root 15200: #if defined(HAS_I386)
! 15201: REG32(EAX) = eax;
! 15202: REG32(EDX) = edx;
! 15203: #else
! 15204: REG16(AX) = (UINT16)eax;
! 15205: REG16(DX) = (UINT16)edx;
! 15206: #endif
1.1.1.29 root 15207: xms_dx_after_call_08h = REG16(DX);
1.1.1.19 root 15208: }
15209:
1.1.1.30 root 15210: void msdos_call_xms_09h(int size_kb)
1.1.1.19 root 15211: {
1.1.1.30 root 15212: emb_handle_t *emb_handle = msdos_xms_alloc_emb_handle(size_kb);
15213:
15214: if(emb_handle != NULL) {
15215: emb_handle->handle = msdos_xms_get_unused_emb_handle_id();
15216:
15217: REG16(AX) = 0x0001;
15218: REG16(DX) = emb_handle->handle;
15219: REG8(BL) = 0x00;
15220: } else {
15221: REG16(AX) = REG16(DX) = 0x0000;
15222: REG8(BL) = 0xa0;
1.1.1.19 root 15223: }
1.1.1.30 root 15224: }
15225:
15226: inline void msdos_call_xms_09h()
15227: {
15228: msdos_call_xms_09h(REG16(DX));
1.1.1.19 root 15229: }
15230:
15231: inline void msdos_call_xms_0ah()
15232: {
1.1.1.30 root 15233: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
15234:
15235: if(emb_handle == NULL) {
1.1.1.19 root 15236: REG16(AX) = 0x0000;
15237: REG8(BL) = 0xa2;
1.1.1.45! root 15238: // } else if(emb_handle->lock > 0) {
! 15239: // REG16(AX) = 0x0000;
! 15240: // REG8(BL) = 0xab;
1.1.1.19 root 15241: } else {
1.1.1.30 root 15242: msdos_xms_free_emb_handle(emb_handle);
1.1.1.19 root 15243:
15244: REG16(AX) = 0x0001;
15245: REG8(BL) = 0x00;
15246: }
15247: }
15248:
15249: inline void msdos_call_xms_0bh()
15250: {
15251: UINT32 copy_length = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00);
15252: UINT16 src_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x04);
15253: UINT32 src_addr = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x06);
15254: UINT16 dest_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0a);
15255: UINT32 dest_addr = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0c);
15256:
15257: UINT8 *src_buffer, *dest_buffer;
15258: UINT32 src_addr_max, dest_addr_max;
1.1.1.30 root 15259: emb_handle_t *emb_handle;
1.1.1.19 root 15260:
15261: if(src_handle == 0) {
15262: src_buffer = mem;
15263: src_addr = (((src_addr >> 16) & 0xffff) << 4) + (src_addr & 0xffff);
15264: src_addr_max = MAX_MEM;
15265: } else {
1.1.1.30 root 15266: if((emb_handle = msdos_xms_get_emb_handle(src_handle)) == NULL) {
1.1.1.19 root 15267: REG16(AX) = 0x0000;
15268: REG8(BL) = 0xa3;
15269: return;
15270: }
1.1.1.30 root 15271: src_buffer = mem + emb_handle->address;
15272: src_addr_max = emb_handle->size_kb * 1024;
1.1.1.19 root 15273: }
15274: if(dest_handle == 0) {
15275: dest_buffer = mem;
15276: dest_addr = (((dest_addr >> 16) & 0xffff) << 4) + (dest_addr & 0xffff);
15277: dest_addr_max = MAX_MEM;
15278: } else {
1.1.1.30 root 15279: if((emb_handle = msdos_xms_get_emb_handle(dest_handle)) == NULL) {
1.1.1.19 root 15280: REG16(AX) = 0x0000;
15281: REG8(BL) = 0xa5;
15282: return;
15283: }
1.1.1.30 root 15284: dest_buffer = mem + emb_handle->address;
15285: dest_addr_max = emb_handle->size_kb * 1024;
1.1.1.19 root 15286: }
15287: for(int i = 0; i < copy_length; i++) {
15288: if(src_addr < src_addr_max && dest_addr < dest_addr_max) {
15289: dest_buffer[dest_addr++] = src_buffer[src_addr++];
15290: } else {
15291: break;
15292: }
15293: }
15294: REG16(AX) = 0x0001;
15295: REG8(BL) = 0x00;
15296: }
15297:
15298: inline void msdos_call_xms_0ch()
15299: {
1.1.1.30 root 15300: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
15301:
15302: if(emb_handle == NULL) {
1.1.1.19 root 15303: REG16(AX) = 0x0000;
15304: REG8(BL) = 0xa2;
15305: } else {
1.1.1.45! root 15306: if(emb_handle->lock < 255) {
! 15307: emb_handle->lock++;
! 15308: }
1.1.1.19 root 15309: REG16(AX) = 0x0001;
1.1.1.30 root 15310: REG16(DX) = (emb_handle->address >> 16) & 0xffff;
15311: REG16(BX) = (emb_handle->address ) & 0xffff;
1.1.1.19 root 15312: }
15313: }
15314:
15315: inline void msdos_call_xms_0dh()
15316: {
1.1.1.30 root 15317: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
15318:
15319: if(emb_handle == NULL) {
1.1.1.19 root 15320: REG16(AX) = 0x0000;
15321: REG8(BL) = 0xa2;
1.1.1.30 root 15322: } else if(!(emb_handle->lock > 0)) {
1.1.1.19 root 15323: REG16(AX) = 0x0000;
15324: REG8(BL) = 0xaa;
15325: } else {
1.1.1.30 root 15326: emb_handle->lock--;
1.1.1.19 root 15327: REG16(AX) = 0x0001;
15328: REG8(BL) = 0x00;
15329: }
15330: }
15331:
15332: inline void msdos_call_xms_0eh()
15333: {
1.1.1.30 root 15334: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
15335:
15336: if(emb_handle == NULL) {
1.1.1.19 root 15337: REG16(AX) = 0x0000;
15338: REG8(BL) = 0xa2;
15339: } else {
15340: REG16(AX) = 0x0001;
1.1.1.30 root 15341: REG8(BH) = emb_handle->lock;
15342: REG8(BL) = msdos_xms_get_unused_emb_handle_count();
15343: REG16(DX) = emb_handle->size_kb;
1.1.1.19 root 15344: }
15345: }
15346:
1.1.1.30 root 15347: void msdos_call_xms_0fh(int size_kb)
1.1.1.19 root 15348: {
1.1.1.30 root 15349: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
15350:
15351: if(emb_handle == NULL) {
1.1.1.19 root 15352: REG16(AX) = 0x0000;
15353: REG8(BL) = 0xa2;
1.1.1.30 root 15354: } else if(emb_handle->lock > 0) {
1.1.1.19 root 15355: REG16(AX) = 0x0000;
15356: REG8(BL) = 0xab;
15357: } else {
1.1.1.30 root 15358: if(emb_handle->size_kb < size_kb) {
15359: if(emb_handle->next != NULL && emb_handle->next->handle == 0 && (emb_handle->size_kb + emb_handle->next->size_kb) >= size_kb) {
15360: msdos_xms_combine_emb_handles(emb_handle);
15361: if(emb_handle->size_kb > size_kb) {
15362: msdos_xms_split_emb_handle(emb_handle, size_kb);
15363: }
15364: } else {
15365: int old_handle = emb_handle->handle;
15366: int old_size_kb = emb_handle->size_kb;
15367: UINT8 *buffer = (UINT8 *)malloc(old_size_kb * 1024);
15368:
15369: memcpy(buffer, mem + emb_handle->address, old_size_kb * 1024);
15370: msdos_xms_free_emb_handle(emb_handle);
15371:
15372: if((emb_handle = msdos_xms_alloc_emb_handle(size_kb)) == NULL) {
15373: emb_handle = msdos_xms_alloc_emb_handle(old_size_kb); // should be always successed
15374: }
15375: emb_handle->handle = old_handle;
15376: memcpy(mem + emb_handle->address, buffer, old_size_kb * 1024);
15377: free(buffer);
15378: }
15379: } else if(emb_handle->size_kb > size_kb) {
15380: msdos_xms_split_emb_handle(emb_handle, size_kb);
15381: }
15382: if(emb_handle->size_kb != size_kb) {
15383: REG16(AX) = 0x0000;
15384: REG8(BL) = 0xa0;
15385: } else {
15386: REG16(AX) = 0x0001;
15387: REG8(BL) = 0x00;
15388: }
1.1.1.19 root 15389: }
15390: }
15391:
1.1.1.30 root 15392: inline void msdos_call_xms_0fh()
15393: {
15394: msdos_call_xms_0fh(REG16(BX));
15395: }
15396:
1.1.1.19 root 15397: inline void msdos_call_xms_10h()
15398: {
15399: int seg;
15400:
15401: if((seg = msdos_mem_alloc(UMB_TOP >> 4, REG16(DX), 0)) != -1) {
15402: REG16(AX) = 0x0001;
15403: REG16(BX) = seg;
15404: } else {
15405: REG16(AX) = 0x0000;
15406: REG8(BL) = 0xb0;
15407: REG16(DX) = msdos_mem_get_free(UMB_TOP >> 4, 0);
15408: }
15409: }
15410:
15411: inline void msdos_call_xms_11h()
15412: {
15413: int mcb_seg = REG16(DX) - 1;
15414: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
15415:
15416: if(mcb->mz == 'M' || mcb->mz == 'Z') {
15417: msdos_mem_free(REG16(DX));
15418: REG16(AX) = 0x0001;
15419: REG8(BL) = 0x00;
15420: } else {
15421: REG16(AX) = 0x0000;
15422: REG8(BL) = 0xb2;
15423: }
15424: }
15425:
15426: inline void msdos_call_xms_12h()
15427: {
15428: int mcb_seg = REG16(DX) - 1;
15429: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
15430: int max_paragraphs;
15431:
15432: if(mcb->mz == 'M' || mcb->mz == 'Z') {
15433: if(!msdos_mem_realloc(REG16(DX), REG16(BX), &max_paragraphs)) {
15434: REG16(AX) = 0x0001;
15435: REG8(BL) = 0x00;
15436: } else {
15437: REG16(AX) = 0x0000;
15438: REG8(BL) = 0xb0;
15439: REG16(DX) = max_paragraphs;
15440: }
15441: } else {
15442: REG16(AX) = 0x0000;
15443: REG8(BL) = 0xb2;
15444: }
15445: }
15446:
1.1.1.29 root 15447: #if defined(HAS_I386)
15448:
15449: inline void msdos_call_xms_88h()
15450: {
15451: REG32(EAX) = REG32(EDX) = 0x0000;
15452:
1.1.1.30 root 15453: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
15454: if(emb_handle->handle == 0) {
15455: if(REG32(EAX) < emb_handle->size_kb) {
15456: REG32(EAX) = emb_handle->size_kb;
1.1.1.29 root 15457: }
1.1.1.30 root 15458: REG32(EDX) += emb_handle->size_kb;
1.1.1.29 root 15459: }
15460: }
15461: if(REG32(EAX) == 0 && REG32(EDX) == 0) {
15462: REG8(BL) = 0xa0;
15463: } else {
15464: REG8(BL) = 0x00;
15465: }
15466: REG32(ECX) = EMB_END - 1;
15467: }
15468:
15469: inline void msdos_call_xms_89h()
15470: {
1.1.1.30 root 15471: msdos_call_xms_09h(REG32(EDX));
1.1.1.29 root 15472: }
15473:
15474: inline void msdos_call_xms_8eh()
15475: {
1.1.1.30 root 15476: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
15477:
15478: if(emb_handle == NULL) {
1.1.1.29 root 15479: REG16(AX) = 0x0000;
15480: REG8(BL) = 0xa2;
15481: } else {
15482: REG16(AX) = 0x0001;
1.1.1.30 root 15483: REG8(BH) = emb_handle->lock;
15484: REG16(CX) = msdos_xms_get_unused_emb_handle_count();
15485: REG32(EDX) = emb_handle->size_kb;
1.1.1.29 root 15486: }
15487: }
15488:
15489: inline void msdos_call_xms_8fh()
15490: {
1.1.1.30 root 15491: msdos_call_xms_0fh(REG32(EBX));
1.1.1.29 root 15492: }
15493:
15494: #endif
1.1.1.19 root 15495: #endif
15496:
1.1.1.26 root 15497: UINT16 msdos_get_equipment()
15498: {
15499: static UINT16 equip = 0;
15500:
15501: if(equip == 0) {
15502: #ifdef SUPPORT_FPU
15503: equip |= (1 << 1); // 80x87 coprocessor installed
15504: #endif
15505: equip |= (1 << 2); // pointing device installed (PS/2)
15506: equip |= (2 << 4); // initial video mode (80x25 color)
15507: // equip |= (1 << 8); // 0 if DMA installed
15508: equip |= (2 << 9); // number of serial ports
15509: 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 15510:
15511: // check only A: and B: if it is floppy drive
15512: int n = 0;
15513: for(int i = 0; i < 2; i++) {
1.1.1.44 root 15514: if(msdos_is_valid_drive(i) && msdos_is_removable_drive(i)) {
15515: n++;
1.1.1.28 root 15516: }
15517: }
15518: if(n != 0) {
15519: equip |= (1 << 0); // floppy disk(s) installed
15520: n--;
15521: equip |= (n << 6); // number of floppies installed less 1
15522: }
15523: // if(joyGetNumDevs() != 0) {
15524: // equip |= (1 << 12); // game port installed
15525: // }
1.1.1.26 root 15526: }
15527: return(equip);
15528: }
15529:
1.1 root 15530: void msdos_syscall(unsigned num)
15531: {
1.1.1.22 root 15532: #ifdef ENABLE_DEBUG_SYSCALL
1.1.1.43 root 15533: if(num == 0x08 || num == 0x1c) {
15534: // don't log the timer interrupts
1.1.1.45! root 15535: // 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));
1.1.1.43 root 15536: } else if(num == 0x68) {
1.1.1.22 root 15537: // dummy interrupt for EMS (int 67h)
1.1.1.33 root 15538: 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 15539: } else if(num == 0x69) {
15540: // dummy interrupt for XMS (call far)
1.1.1.33 root 15541: 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));
1.1.1.45! root 15542: } else if(num >= 0x6a && num < 0x70) {
! 15543: // dummy interrupt
1.1.1.22 root 15544: } else {
1.1.1.33 root 15545: 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 15546: }
15547: #endif
1.1.1.36 root 15548: // update cursor position
15549: if(cursor_moved) {
15550: pcbios_update_cursor_position();
15551: cursor_moved = false;
15552: }
1.1.1.33 root 15553: ctrl_break_detected = ctrl_break_pressed = ctrl_c_pressed = false;
1.1.1.22 root 15554:
1.1 root 15555: switch(num) {
15556: case 0x00:
1.1.1.28 root 15557: try {
15558: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
15559: error("division by zero\n");
15560: } catch(...) {
15561: fatalerror("division by zero detected, and failed to terminate current process\n");
15562: }
1.1 root 15563: break;
15564: case 0x04:
1.1.1.28 root 15565: try {
15566: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
15567: error("overflow\n");
15568: } catch(...) {
15569: fatalerror("overflow detected, and failed to terminate current process\n");
15570: }
1.1 root 15571: break;
15572: case 0x06:
15573: // NOTE: ish.com has illegal instruction...
1.1.1.14 root 15574: if(!ignore_illegal_insn) {
1.1.1.28 root 15575: try {
15576: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
15577: error("illegal instruction\n");
15578: } catch(...) {
15579: fatalerror("illegal instruction detected, and failed to terminate current process\n");
15580: }
1.1.1.14 root 15581: } else {
15582: #if defined(HAS_I386)
1.1.1.39 root 15583: m_eip = m_int6h_skip_eip;
15584: #elif defined(HAS_I286)
15585: m_pc = m_int6h_skip_pc;
1.1.1.14 root 15586: #else
1.1.1.39 root 15587: // 8086/80186 ignore an invalid opcode
1.1.1.14 root 15588: #endif
15589: }
1.1 root 15590: break;
1.1.1.33 root 15591: case 0x09:
15592: // ctrl-break is pressed
15593: if(raise_int_1bh) {
15594: #if defined(HAS_I386)
15595: m_ext = 0; // not an external interrupt
15596: i386_trap(0x1b, 1, 0);
15597: m_ext = 1;
15598: #else
15599: PREFIX86(_interrupt)(0x1b);
15600: #endif
15601: raise_int_1bh = false;
15602: }
1.1.1.8 root 15603: case 0x08:
1.1.1.14 root 15604: // pcbios_irq0(); // this causes too slow emulation...
1.1.1.8 root 15605: case 0x0b:
15606: case 0x0c:
15607: case 0x0d:
15608: case 0x0e:
15609: case 0x0f:
15610: // EOI
15611: pic[0].isr &= ~(1 << (num - 0x08));
15612: pic_update();
15613: break;
1.1 root 15614: case 0x10:
15615: // PC BIOS - Video
1.1.1.14 root 15616: if(!restore_console_on_exit) {
1.1.1.15 root 15617: change_console_size(scr_width, scr_height);
1.1 root 15618: }
1.1.1.3 root 15619: m_CF = 0;
1.1 root 15620: switch(REG8(AH)) {
1.1.1.16 root 15621: case 0x00: pcbios_int_10h_00h(); break;
1.1 root 15622: case 0x01: pcbios_int_10h_01h(); break;
15623: case 0x02: pcbios_int_10h_02h(); break;
15624: case 0x03: pcbios_int_10h_03h(); break;
15625: case 0x05: pcbios_int_10h_05h(); break;
15626: case 0x06: pcbios_int_10h_06h(); break;
15627: case 0x07: pcbios_int_10h_07h(); break;
15628: case 0x08: pcbios_int_10h_08h(); break;
15629: case 0x09: pcbios_int_10h_09h(); break;
15630: case 0x0a: pcbios_int_10h_0ah(); break;
15631: case 0x0b: break;
1.1.1.40 root 15632: case 0x0c: pcbios_int_10h_0ch(); break;
15633: case 0x0d: pcbios_int_10h_0dh(); break;
1.1 root 15634: case 0x0e: pcbios_int_10h_0eh(); break;
15635: case 0x0f: pcbios_int_10h_0fh(); break;
15636: case 0x10: break;
1.1.1.14 root 15637: case 0x11: pcbios_int_10h_11h(); break;
15638: case 0x12: pcbios_int_10h_12h(); break;
1.1 root 15639: case 0x13: pcbios_int_10h_13h(); break;
1.1.1.30 root 15640: case 0x18: pcbios_int_10h_18h(); break;
1.1.1.14 root 15641: case 0x1a: pcbios_int_10h_1ah(); break;
1.1.1.24 root 15642: case 0x1b: REG8(AL) = 0x00; break; // functionality/state information is not supported
15643: case 0x1c: REG8(AL) = 0x00; break; // save/restore video state is not supported
1.1 root 15644: case 0x1d: pcbios_int_10h_1dh(); break;
1.1.1.24 root 15645: case 0x1e: REG8(AL) = 0x00; break; // flat-panel functions are not supported
15646: case 0x1f: REG8(AL) = 0x00; break; // xga functions are not supported
1.1.1.22 root 15647: case 0x4f: pcbios_int_10h_4fh(); break;
1.1.1.30 root 15648: case 0x6f: break;
1.1.1.22 root 15649: case 0x80: m_CF = 1; break; // unknown
15650: case 0x81: m_CF = 1; break; // unknown
1.1 root 15651: case 0x82: pcbios_int_10h_82h(); break;
1.1.1.22 root 15652: case 0x83: pcbios_int_10h_83h(); break;
15653: case 0x8b: break;
15654: case 0x8c: m_CF = 1; break; // unknown
15655: case 0x8d: m_CF = 1; break; // unknown
15656: case 0x8e: m_CF = 1; break; // unknown
15657: case 0x90: pcbios_int_10h_90h(); break;
15658: case 0x91: pcbios_int_10h_91h(); break;
15659: case 0x92: break;
15660: case 0x93: break;
15661: case 0xef: pcbios_int_10h_efh(); break;
1.1.1.24 root 15662: case 0xfa: break; // ega register interface library is not installed
1.1 root 15663: case 0xfe: pcbios_int_10h_feh(); break;
15664: case 0xff: pcbios_int_10h_ffh(); break;
15665: default:
1.1.1.22 root 15666: 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));
15667: m_CF = 1;
1.1 root 15668: break;
15669: }
15670: break;
15671: case 0x11:
15672: // PC BIOS - Get Equipment List
1.1.1.26 root 15673: REG16(AX) = msdos_get_equipment();
1.1 root 15674: break;
15675: case 0x12:
15676: // PC BIOS - Get Memory Size
1.1.1.33 root 15677: REG16(AX) = *(UINT16 *)(mem + 0x413);
1.1 root 15678: break;
15679: case 0x13:
1.1.1.42 root 15680: // PC BIOS - Disk I/O
15681: {
15682: static UINT8 last = 0x00;
15683: switch(REG8(AH)) {
15684: case 0x00: pcbios_int_13h_00h(); break;
15685: case 0x01: // get last status
15686: REG8(AH) = last;
15687: break;
15688: case 0x02: pcbios_int_13h_02h(); break;
15689: case 0x03: pcbios_int_13h_03h(); break;
15690: case 0x04: pcbios_int_13h_04h(); break;
15691: case 0x08: pcbios_int_13h_08h(); break;
15692: case 0x0a: pcbios_int_13h_02h(); break;
15693: case 0x0b: pcbios_int_13h_03h(); break;
15694: case 0x0d: pcbios_int_13h_00h(); break;
15695: case 0x10: pcbios_int_13h_10h(); break;
15696: case 0x15: pcbios_int_13h_15h(); break;
1.1.1.43 root 15697: case 0x41: pcbios_int_13h_41h(); break;
1.1.1.42 root 15698: case 0x05: // format
15699: case 0x06:
15700: case 0x07:
15701: REG8(AH) = 0x0c; // unsupported track or invalid media
15702: m_CF = 1;
15703: break;
15704: case 0x09:
15705: case 0x0c: // seek
15706: case 0x11: // recalib
15707: case 0x14:
15708: case 0x17:
15709: REG8(AH) = 0x00; // successful completion
15710: break;
1.1.1.43 root 15711: case 0x21: // QUICKCACHE II v4.20 - Flush Cache
15712: case 0xa1: // Super PC-Kwik v3.20+ - Flush Cache
15713: REG8(AH) = 0x01; // invalid function
15714: m_CF = 1;
15715: break;
1.1.1.42 root 15716: default:
15717: 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));
15718: REG8(AH) = 0x01; // invalid function
15719: m_CF = 1;
15720: break;
15721: }
15722: last = REG8(AH);
15723: }
1.1 root 15724: break;
15725: case 0x14:
15726: // PC BIOS - Serial I/O
1.1.1.25 root 15727: switch(REG8(AH)) {
15728: case 0x00: pcbios_int_14h_00h(); break;
15729: case 0x01: pcbios_int_14h_01h(); break;
15730: case 0x02: pcbios_int_14h_02h(); break;
15731: case 0x03: pcbios_int_14h_03h(); break;
15732: case 0x04: pcbios_int_14h_04h(); break;
15733: case 0x05: pcbios_int_14h_05h(); break;
15734: default:
15735: 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));
15736: break;
15737: }
1.1 root 15738: break;
15739: case 0x15:
15740: // PC BIOS
1.1.1.3 root 15741: m_CF = 0;
1.1 root 15742: switch(REG8(AH)) {
1.1.1.14 root 15743: case 0x10: pcbios_int_15h_10h(); break;
1.1 root 15744: case 0x23: pcbios_int_15h_23h(); break;
15745: case 0x24: pcbios_int_15h_24h(); break;
1.1.1.24 root 15746: case 0x41: break;
1.1 root 15747: case 0x49: pcbios_int_15h_49h(); break;
1.1.1.22 root 15748: case 0x50: pcbios_int_15h_50h(); break;
1.1.1.30 root 15749: case 0x53: pcbios_int_15h_53h(); break;
1.1.1.43 root 15750: case 0x84: pcbios_int_15h_84h(); break;
1.1 root 15751: case 0x86: pcbios_int_15h_86h(); break;
15752: case 0x87: pcbios_int_15h_87h(); break;
15753: case 0x88: pcbios_int_15h_88h(); break;
15754: case 0x89: pcbios_int_15h_89h(); break;
1.1.1.21 root 15755: case 0x8a: pcbios_int_15h_8ah(); break;
1.1.1.22 root 15756: case 0xc0: // PS/2 ???
15757: case 0xc1:
15758: case 0xc2:
1.1.1.30 root 15759: case 0xc3: // PS50+ ???
15760: case 0xc4:
1.1.1.22 root 15761: REG8(AH) = 0x86;
15762: m_CF = 1;
15763: break;
1.1.1.3 root 15764: #if defined(HAS_I386)
1.1 root 15765: case 0xc9: pcbios_int_15h_c9h(); break;
1.1.1.3 root 15766: #endif
1.1 root 15767: case 0xca: pcbios_int_15h_cah(); break;
1.1.1.22 root 15768: case 0xe8: pcbios_int_15h_e8h(); break;
1.1 root 15769: default:
1.1.1.22 root 15770: 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));
15771: REG8(AH) = 0x86;
1.1.1.3 root 15772: m_CF = 1;
1.1 root 15773: break;
15774: }
15775: break;
15776: case 0x16:
15777: // PC BIOS - Keyboard
1.1.1.3 root 15778: m_CF = 0;
1.1 root 15779: switch(REG8(AH)) {
15780: case 0x00: pcbios_int_16h_00h(); break;
15781: case 0x01: pcbios_int_16h_01h(); break;
15782: case 0x02: pcbios_int_16h_02h(); break;
15783: case 0x03: pcbios_int_16h_03h(); break;
15784: case 0x05: pcbios_int_16h_05h(); break;
15785: case 0x10: pcbios_int_16h_00h(); break;
15786: case 0x11: pcbios_int_16h_01h(); break;
15787: case 0x12: pcbios_int_16h_12h(); break;
15788: case 0x13: pcbios_int_16h_13h(); break;
15789: case 0x14: pcbios_int_16h_14h(); break;
1.1.1.24 root 15790: case 0x55: pcbios_int_16h_55h(); break;
1.1.1.30 root 15791: case 0x6f: pcbios_int_16h_6fh(); break;
1.1.1.22 root 15792: case 0xda: break; // unknown
1.1.1.43 root 15793: case 0xdb: break; // unknown
1.1.1.22 root 15794: case 0xff: break; // unknown
1.1 root 15795: default:
1.1.1.22 root 15796: 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 15797: break;
15798: }
15799: break;
15800: case 0x17:
15801: // PC BIOS - Printer
1.1.1.37 root 15802: m_CF = 0;
15803: switch(REG8(AH)) {
15804: case 0x00: pcbios_int_17h_00h(); break;
15805: case 0x01: pcbios_int_17h_01h(); break;
15806: case 0x02: pcbios_int_17h_02h(); break;
15807: case 0x03: pcbios_int_17h_03h(); break;
15808: case 0x50: pcbios_int_17h_50h(); break;
15809: case 0x51: pcbios_int_17h_51h(); break;
15810: case 0x52: pcbios_int_17h_52h(); break;
15811: case 0x84: pcbios_int_17h_84h(); break;
15812: case 0x85: pcbios_int_17h_85h(); break;
15813: default:
15814: 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));
15815: break;
15816: }
1.1 root 15817: break;
15818: case 0x1a:
15819: // PC BIOS - Timer
1.1.1.3 root 15820: m_CF = 0;
1.1 root 15821: switch(REG8(AH)) {
15822: case 0x00: pcbios_int_1ah_00h(); break;
15823: case 0x01: break;
15824: case 0x02: pcbios_int_1ah_02h(); break;
15825: case 0x03: break;
15826: case 0x04: pcbios_int_1ah_04h(); break;
15827: case 0x05: break;
15828: case 0x0a: pcbios_int_1ah_0ah(); break;
15829: case 0x0b: break;
1.1.1.14 root 15830: case 0x35: break; // Word Perfect Third Party Interface?
15831: case 0x36: break; // Word Perfect Third Party Interface
15832: case 0x70: break; // SNAP? (Simple Network Application Protocol)
1.1.1.44 root 15833: case 0xb0: break; // Microsoft Real-Time Compression Interface (MRCI)
1.1.1.43 root 15834: case 0xb1: break; // PCI BIOS v2.0c+
15835: case 0xb4: break; // Intel Plug-and-Play Auto-Configuration
1.1 root 15836: default:
1.1.1.22 root 15837: 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 15838: break;
15839: }
15840: break;
1.1.1.33 root 15841: case 0x1b:
15842: mem[0x471] = 0x00;
15843: break;
1.1 root 15844: case 0x20:
1.1.1.28 root 15845: try {
15846: msdos_process_terminate(SREG(CS), retval, 1);
15847: } catch(...) {
15848: fatalerror("failed to terminate the process (PSP=%04X) by int 20h\n", SREG(CS));
15849: }
1.1 root 15850: break;
15851: case 0x21:
15852: // MS-DOS System Call
1.1.1.3 root 15853: m_CF = 0;
1.1.1.28 root 15854: try {
15855: switch(REG8(AH)) {
15856: case 0x00: msdos_int_21h_00h(); break;
15857: case 0x01: msdos_int_21h_01h(); break;
15858: case 0x02: msdos_int_21h_02h(); break;
15859: case 0x03: msdos_int_21h_03h(); break;
15860: case 0x04: msdos_int_21h_04h(); break;
15861: case 0x05: msdos_int_21h_05h(); break;
15862: case 0x06: msdos_int_21h_06h(); break;
15863: case 0x07: msdos_int_21h_07h(); break;
15864: case 0x08: msdos_int_21h_08h(); break;
15865: case 0x09: msdos_int_21h_09h(); break;
15866: case 0x0a: msdos_int_21h_0ah(); break;
15867: case 0x0b: msdos_int_21h_0bh(); break;
15868: case 0x0c: msdos_int_21h_0ch(); break;
15869: case 0x0d: msdos_int_21h_0dh(); break;
15870: case 0x0e: msdos_int_21h_0eh(); break;
15871: case 0x0f: msdos_int_21h_0fh(); break;
15872: case 0x10: msdos_int_21h_10h(); break;
15873: case 0x11: msdos_int_21h_11h(); break;
15874: case 0x12: msdos_int_21h_12h(); break;
15875: case 0x13: msdos_int_21h_13h(); break;
15876: case 0x14: msdos_int_21h_14h(); break;
15877: case 0x15: msdos_int_21h_15h(); break;
15878: case 0x16: msdos_int_21h_16h(); break;
15879: case 0x17: msdos_int_21h_17h(); break;
15880: case 0x18: msdos_int_21h_18h(); break;
15881: case 0x19: msdos_int_21h_19h(); break;
15882: case 0x1a: msdos_int_21h_1ah(); break;
15883: case 0x1b: msdos_int_21h_1bh(); break;
15884: case 0x1c: msdos_int_21h_1ch(); break;
15885: case 0x1d: msdos_int_21h_1dh(); break;
15886: case 0x1e: msdos_int_21h_1eh(); break;
15887: case 0x1f: msdos_int_21h_1fh(); break;
15888: case 0x20: msdos_int_21h_20h(); break;
15889: case 0x21: msdos_int_21h_21h(); break;
15890: case 0x22: msdos_int_21h_22h(); break;
15891: case 0x23: msdos_int_21h_23h(); break;
15892: case 0x24: msdos_int_21h_24h(); break;
15893: case 0x25: msdos_int_21h_25h(); break;
15894: case 0x26: msdos_int_21h_26h(); break;
15895: case 0x27: msdos_int_21h_27h(); break;
15896: case 0x28: msdos_int_21h_28h(); break;
15897: case 0x29: msdos_int_21h_29h(); break;
15898: case 0x2a: msdos_int_21h_2ah(); break;
15899: case 0x2b: msdos_int_21h_2bh(); break;
15900: case 0x2c: msdos_int_21h_2ch(); break;
15901: case 0x2d: msdos_int_21h_2dh(); break;
15902: case 0x2e: msdos_int_21h_2eh(); break;
15903: case 0x2f: msdos_int_21h_2fh(); break;
15904: case 0x30: msdos_int_21h_30h(); break;
15905: case 0x31: msdos_int_21h_31h(); break;
15906: case 0x32: msdos_int_21h_32h(); break;
15907: case 0x33: msdos_int_21h_33h(); break;
15908: case 0x34: msdos_int_21h_34h(); break;
15909: case 0x35: msdos_int_21h_35h(); break;
15910: case 0x36: msdos_int_21h_36h(); break;
15911: case 0x37: msdos_int_21h_37h(); break;
15912: case 0x38: msdos_int_21h_38h(); break;
15913: case 0x39: msdos_int_21h_39h(0); break;
15914: case 0x3a: msdos_int_21h_3ah(0); break;
15915: case 0x3b: msdos_int_21h_3bh(0); break;
15916: case 0x3c: msdos_int_21h_3ch(); break;
15917: case 0x3d: msdos_int_21h_3dh(); break;
15918: case 0x3e: msdos_int_21h_3eh(); break;
15919: case 0x3f: msdos_int_21h_3fh(); break;
15920: case 0x40: msdos_int_21h_40h(); break;
15921: case 0x41: msdos_int_21h_41h(0); break;
15922: case 0x42: msdos_int_21h_42h(); break;
15923: case 0x43: msdos_int_21h_43h(0); break;
15924: case 0x44: msdos_int_21h_44h(); break;
15925: case 0x45: msdos_int_21h_45h(); break;
15926: case 0x46: msdos_int_21h_46h(); break;
15927: case 0x47: msdos_int_21h_47h(0); break;
15928: case 0x48: msdos_int_21h_48h(); break;
15929: case 0x49: msdos_int_21h_49h(); break;
15930: case 0x4a: msdos_int_21h_4ah(); break;
15931: case 0x4b: msdos_int_21h_4bh(); break;
15932: case 0x4c: msdos_int_21h_4ch(); break;
15933: case 0x4d: msdos_int_21h_4dh(); break;
15934: case 0x4e: msdos_int_21h_4eh(); break;
15935: case 0x4f: msdos_int_21h_4fh(); break;
15936: case 0x50: msdos_int_21h_50h(); break;
15937: case 0x51: msdos_int_21h_51h(); break;
15938: case 0x52: msdos_int_21h_52h(); break;
1.1.1.43 root 15939: case 0x53: msdos_int_21h_53h(); break;
1.1.1.28 root 15940: case 0x54: msdos_int_21h_54h(); break;
15941: case 0x55: msdos_int_21h_55h(); break;
15942: case 0x56: msdos_int_21h_56h(0); break;
15943: case 0x57: msdos_int_21h_57h(); break;
15944: case 0x58: msdos_int_21h_58h(); break;
15945: case 0x59: msdos_int_21h_59h(); break;
15946: case 0x5a: msdos_int_21h_5ah(); break;
15947: case 0x5b: msdos_int_21h_5bh(); break;
15948: case 0x5c: msdos_int_21h_5ch(); break;
15949: case 0x5d: msdos_int_21h_5dh(); break;
1.1.1.42 root 15950: case 0x5e: msdos_int_21h_5eh(); break;
1.1.1.30 root 15951: case 0x5f: msdos_int_21h_5fh(); break;
1.1.1.28 root 15952: case 0x60: msdos_int_21h_60h(0); break;
15953: case 0x61: msdos_int_21h_61h(); break;
15954: case 0x62: msdos_int_21h_62h(); break;
15955: case 0x63: msdos_int_21h_63h(); break;
1.1.1.33 root 15956: // 0x64: Set Device Driver Lockahead Flag
1.1.1.28 root 15957: case 0x65: msdos_int_21h_65h(); break;
15958: case 0x66: msdos_int_21h_66h(); break;
15959: case 0x67: msdos_int_21h_67h(); break;
15960: case 0x68: msdos_int_21h_68h(); break;
15961: case 0x69: msdos_int_21h_69h(); break;
15962: case 0x6a: msdos_int_21h_6ah(); break;
15963: case 0x6b: msdos_int_21h_6bh(); break;
15964: case 0x6c: msdos_int_21h_6ch(0); break;
1.1.1.33 root 15965: // 0x6d: Find First ROM Program
15966: // 0x6e: Find Next ROM Program
15967: // 0x6f: Get/Set ROM Scan Start Address
1.1.1.43 root 15968: case 0x70: msdos_int_21h_70h(); break;
1.1.1.28 root 15969: case 0x71:
1.1.1.33 root 15970: // Windows95 - Long Filename Functions
1.1.1.28 root 15971: switch(REG8(AL)) {
15972: case 0x0d: msdos_int_21h_710dh(); break;
15973: case 0x39: msdos_int_21h_39h(1); break;
15974: case 0x3a: msdos_int_21h_3ah(1); break;
15975: case 0x3b: msdos_int_21h_3bh(1); break;
15976: case 0x41: msdos_int_21h_7141h(1); break;
15977: case 0x43: msdos_int_21h_43h(1); break;
15978: case 0x47: msdos_int_21h_47h(1); break;
15979: case 0x4e: msdos_int_21h_714eh(); break;
15980: case 0x4f: msdos_int_21h_714fh(); break;
15981: case 0x56: msdos_int_21h_56h(1); break;
15982: case 0x60: msdos_int_21h_60h(1); break;
15983: case 0x6c: msdos_int_21h_6ch(1); break;
15984: case 0xa0: msdos_int_21h_71a0h(); break;
15985: case 0xa1: msdos_int_21h_71a1h(); break;
15986: case 0xa6: msdos_int_21h_71a6h(); break;
15987: case 0xa7: msdos_int_21h_71a7h(); break;
15988: case 0xa8: msdos_int_21h_71a8h(); break;
1.1.1.45! root 15989: case 0xa9: msdos_int_21h_6ch(1); break;
1.1.1.28 root 15990: case 0xaa: msdos_int_21h_71aah(); break;
15991: default:
15992: 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));
15993: REG16(AX) = 0x7100;
15994: m_CF = 1;
15995: break;
15996: }
15997: break;
15998: // 0x72: Windows95 beta - LFN FindClose
15999: case 0x73:
1.1.1.33 root 16000: // Windows95 - FAT32 Functions
1.1.1.28 root 16001: switch(REG8(AL)) {
16002: case 0x00: msdos_int_21h_7300h(); break;
1.1.1.33 root 16003: // 0x01: Set Drive Locking ???
1.1.1.28 root 16004: case 0x02: msdos_int_21h_7302h(); break;
16005: case 0x03: msdos_int_21h_7303h(); break;
1.1.1.33 root 16006: // 0x04: Set DPB to Use for Formatting
16007: // 0x05: Extended Absolute Disk Read/Write
1.1.1.28 root 16008: default:
16009: 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));
16010: REG16(AX) = 0x7300;
16011: m_CF = 1;
16012: break;
16013: }
1.1 root 16014: break;
1.1.1.30 root 16015: case 0xdb: msdos_int_21h_dbh(); break;
16016: case 0xdc: msdos_int_21h_dch(); break;
1.1 root 16017: default:
1.1.1.22 root 16018: 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 16019: REG16(AX) = 0x01;
1.1.1.3 root 16020: m_CF = 1;
1.1 root 16021: break;
16022: }
1.1.1.28 root 16023: } catch(int error) {
16024: REG16(AX) = error;
16025: m_CF = 1;
16026: } catch(...) {
16027: REG16(AX) = 0x1f; // general failure
1.1.1.3 root 16028: m_CF = 1;
1.1 root 16029: }
1.1.1.3 root 16030: if(m_CF) {
1.1.1.23 root 16031: sda_t *sda = (sda_t *)(mem + SDA_TOP);
16032: sda->extended_error_code = REG16(AX);
16033: switch(sda->extended_error_code) {
16034: case 4: // Too many open files
16035: case 8: // Insufficient memory
16036: sda->error_class = 1; // Out of resource
16037: break;
16038: case 5: // Access denied
16039: sda->error_class = 3; // Authorization
16040: break;
16041: case 7: // Memory control block destroyed
16042: sda->error_class = 4; // Internal
16043: break;
16044: case 2: // File not found
16045: case 3: // Path not found
16046: case 15: // Invaid drive specified
16047: case 18: // No more files
16048: sda->error_class = 8; // Not found
16049: break;
16050: case 32: // Sharing violation
16051: case 33: // Lock violation
16052: sda->error_class = 10; // Locked
16053: break;
16054: // case 16: // Removal of current directory attempted
16055: case 19: // Attempted write on protected disk
16056: case 21: // Drive not ready
16057: // case 29: // Write failure
16058: // case 30: // Read failure
16059: // case 82: // Cannot create subdirectory
16060: sda->error_class = 11; // Media
16061: break;
16062: case 80: // File already exists
16063: sda->error_class = 12; // Already exist
16064: break;
16065: default:
16066: sda->error_class = 13; // Unknown
16067: break;
16068: }
16069: sda->suggested_action = 1; // Retry
16070: sda->locus_of_last_error = 1; // Unknown
1.1 root 16071: }
1.1.1.33 root 16072: if(ctrl_break_checking && ctrl_break_detected) {
1.1.1.26 root 16073: // raise int 23h
16074: #if defined(HAS_I386)
16075: m_ext = 0; // not an external interrupt
16076: i386_trap(0x23, 1, 0);
16077: m_ext = 1;
16078: #else
16079: PREFIX86(_interrupt)(0x23);
16080: #endif
16081: }
1.1 root 16082: break;
16083: case 0x22:
16084: fatalerror("int 22h (terminate address)\n");
16085: case 0x23:
1.1.1.28 root 16086: try {
16087: msdos_process_terminate(current_psp, (retval & 0xff) | 0x100, 1);
16088: } catch(...) {
16089: fatalerror("failed to terminate the current process by int 23h\n");
16090: }
1.1 root 16091: break;
16092: case 0x24:
1.1.1.32 root 16093: /*
1.1.1.28 root 16094: try {
16095: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
16096: } catch(...) {
16097: fatalerror("failed to terminate the current process by int 24h\n");
16098: }
1.1.1.32 root 16099: */
16100: msdos_int_24h();
1.1 root 16101: break;
16102: case 0x25:
16103: msdos_int_25h();
16104: break;
16105: case 0x26:
16106: msdos_int_26h();
16107: break;
16108: case 0x27:
1.1.1.28 root 16109: try {
16110: msdos_int_27h();
16111: } catch(...) {
16112: fatalerror("failed to terminate the process (PSP=%04X) by int 27h\n", SREG(CS));
16113: }
1.1 root 16114: break;
16115: case 0x28:
16116: Sleep(10);
1.1.1.35 root 16117: REQUEST_HARDWRE_UPDATE();
1.1 root 16118: break;
16119: case 0x29:
16120: msdos_int_29h();
16121: break;
16122: case 0x2e:
16123: msdos_int_2eh();
16124: break;
16125: case 0x2f:
16126: // multiplex interrupt
16127: switch(REG8(AH)) {
1.1.1.22 root 16128: case 0x05: msdos_int_2fh_05h(); break;
1.1.1.44 root 16129: case 0x06: msdos_int_2fh_06h(); break;
1.1.1.22 root 16130: case 0x11: msdos_int_2fh_11h(); break;
1.1.1.21 root 16131: case 0x12: msdos_int_2fh_12h(); break;
1.1.1.30 root 16132: case 0x13: msdos_int_2fh_13h(); break;
1.1.1.22 root 16133: case 0x14: msdos_int_2fh_14h(); break;
16134: case 0x15: msdos_int_2fh_15h(); break;
1.1 root 16135: case 0x16: msdos_int_2fh_16h(); break;
1.1.1.22 root 16136: case 0x19: msdos_int_2fh_19h(); break;
1.1 root 16137: case 0x1a: msdos_int_2fh_1ah(); break;
1.1.1.30 root 16138: case 0x40: msdos_int_2fh_40h(); break;
1.1 root 16139: case 0x43: msdos_int_2fh_43h(); break;
1.1.1.22 root 16140: case 0x46: msdos_int_2fh_46h(); break;
16141: case 0x48: msdos_int_2fh_48h(); break;
1.1 root 16142: case 0x4a: msdos_int_2fh_4ah(); break;
1.1.1.22 root 16143: case 0x4b: msdos_int_2fh_4bh(); break;
1.1.1.44 root 16144: case 0x4d: msdos_int_2fh_4dh(); break;
1.1 root 16145: case 0x4f: msdos_int_2fh_4fh(); break;
1.1.1.22 root 16146: case 0x55: msdos_int_2fh_55h(); break;
1.1.1.44 root 16147: case 0x56: msdos_int_2fh_56h(); break;
1.1.1.24 root 16148: case 0xad: msdos_int_2fh_adh(); break;
1.1 root 16149: case 0xae: msdos_int_2fh_aeh(); break;
1.1.1.34 root 16150: case 0xb7: msdos_int_2fh_b7h(); break;
1.1.1.43 root 16151: default:
1.1.1.30 root 16152: switch(REG8(AL)) {
16153: case 0x00:
16154: // This is not installed
16155: // REG8(AL) = 0x00;
16156: break;
1.1.1.33 root 16157: case 0x01:
1.1.1.42 root 16158: // Quarterdeck RPCI - QEMM/QRAM - PCL-838.EXE is not installed
16159: if(REG8(AH) == 0xd2 && REG16(BX) == 0x5145 && REG16(CX) == 0x4d4d && REG16(DX) == 0x3432) {
16160: break;
16161: }
1.1.1.33 root 16162: // Banyan VINES v4+ is not installed
16163: if(REG8(AH) == 0xd7 && REG16(BX) == 0x0000) {
16164: break;
16165: }
1.1.1.42 root 16166: // Quarterdeck QDPMI.SYS v1.0 is not installed
16167: if(REG8(AH) == 0xde && REG16(BX) == 0x4450 && REG16(CX) == 0x4d49 && REG16(DX) == 0x8f4f) {
16168: break;
16169: }
1.1.1.30 root 16170: default:
1.1.1.42 root 16171: // NORTON UTILITIES 5.0+
16172: if(REG8(AH) == 0xfe && REG16(DI) == 0x4e55) {
16173: break;
16174: }
1.1.1.30 root 16175: 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 16176: REG16(AX) = 0x01; // invalid function
1.1.1.30 root 16177: m_CF = 1;
16178: break;
16179: }
16180: break;
1.1 root 16181: }
16182: break;
1.1.1.24 root 16183: case 0x33:
16184: switch(REG8(AH)) {
16185: case 0x00:
16186: // Mouse
16187: switch(REG8(AL)) {
16188: case 0x00: msdos_int_33h_0000h(); break;
16189: case 0x01: msdos_int_33h_0001h(); break;
16190: case 0x02: msdos_int_33h_0002h(); break;
16191: case 0x03: msdos_int_33h_0003h(); break;
1.1.1.34 root 16192: case 0x04: msdos_int_33h_0004h(); break;
1.1.1.24 root 16193: case 0x05: msdos_int_33h_0005h(); break;
16194: case 0x06: msdos_int_33h_0006h(); break;
16195: case 0x07: msdos_int_33h_0007h(); break;
16196: case 0x08: msdos_int_33h_0008h(); break;
16197: case 0x09: msdos_int_33h_0009h(); break;
1.1.1.34 root 16198: case 0x0a: break; // Define Text Cursor
1.1.1.24 root 16199: case 0x0b: msdos_int_33h_000bh(); break;
16200: case 0x0c: msdos_int_33h_000ch(); break;
1.1.1.34 root 16201: case 0x0d: break; // Light Pen Emulation On
16202: case 0x0e: break; // Light Pen Emulation Off
1.1.1.24 root 16203: case 0x0f: msdos_int_33h_000fh(); break;
1.1.1.34 root 16204: case 0x10: break; // Define Screen Region for Updating
1.1.1.24 root 16205: case 0x11: msdos_int_33h_0011h(); break;
1.1.1.34 root 16206: case 0x12: REG16(AX) = 0xffff; break; // Set Large Graphics Cursor Block
16207: case 0x13: break; // Define Double-Speed Threshold
1.1.1.24 root 16208: case 0x14: msdos_int_33h_0014h(); break;
16209: case 0x15: msdos_int_33h_0015h(); break;
16210: case 0x16: msdos_int_33h_0016h(); break;
16211: case 0x17: msdos_int_33h_0017h(); break;
1.1.1.43 root 16212: case 0x18: msdos_int_33h_0018h(); break;
16213: case 0x19: msdos_int_33h_0019h(); break;
1.1.1.24 root 16214: case 0x1a: msdos_int_33h_001ah(); break;
16215: case 0x1b: msdos_int_33h_001bh(); break;
16216: case 0x1d: msdos_int_33h_001dh(); break;
16217: case 0x1e: msdos_int_33h_001eh(); break;
1.1.1.34 root 16218: case 0x1f: msdos_int_33h_001fh(); break;
16219: case 0x20: msdos_int_33h_0020h(); break;
1.1.1.24 root 16220: case 0x21: msdos_int_33h_0021h(); break;
16221: case 0x22: msdos_int_33h_0022h(); break;
16222: case 0x23: msdos_int_33h_0023h(); break;
16223: case 0x24: msdos_int_33h_0024h(); break;
16224: case 0x26: msdos_int_33h_0026h(); break;
16225: case 0x2a: msdos_int_33h_002ah(); break;
1.1.1.34 root 16226: case 0x2f: break; // Mouse Hardware Reset
1.1.1.24 root 16227: case 0x31: msdos_int_33h_0031h(); break;
16228: case 0x32: msdos_int_33h_0032h(); break;
16229: default:
16230: 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));
16231: break;
16232: }
16233: break;
16234: default:
16235: 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));
16236: break;
16237: }
16238: break;
1.1.1.19 root 16239: case 0x68:
16240: // dummy interrupt for EMS (int 67h)
16241: switch(REG8(AH)) {
16242: case 0x40: msdos_int_67h_40h(); break;
16243: case 0x41: msdos_int_67h_41h(); break;
16244: case 0x42: msdos_int_67h_42h(); break;
16245: case 0x43: msdos_int_67h_43h(); break;
16246: case 0x44: msdos_int_67h_44h(); break;
16247: case 0x45: msdos_int_67h_45h(); break;
16248: case 0x46: msdos_int_67h_46h(); break;
16249: case 0x47: msdos_int_67h_47h(); break;
16250: case 0x48: msdos_int_67h_48h(); break;
1.1.1.20 root 16251: // 0x49: LIM EMS - Reserved - Get I/O Port Address (Undocumented in EMS 3.2)
16252: // 0x4a: LIM EMS - Reserved - Get Translation Array (Undocumented in EMS 3.2)
1.1.1.19 root 16253: case 0x4b: msdos_int_67h_4bh(); break;
16254: case 0x4c: msdos_int_67h_4ch(); break;
16255: case 0x4d: msdos_int_67h_4dh(); break;
1.1.1.20 root 16256: case 0x4e: msdos_int_67h_4eh(); break;
1.1.1.21 root 16257: case 0x4f: msdos_int_67h_4fh(); break;
1.1.1.20 root 16258: case 0x50: msdos_int_67h_50h(); break;
1.1.1.19 root 16259: case 0x51: msdos_int_67h_51h(); break;
1.1.1.20 root 16260: case 0x52: msdos_int_67h_52h(); break;
1.1.1.19 root 16261: case 0x53: msdos_int_67h_53h(); break;
16262: case 0x54: msdos_int_67h_54h(); break;
1.1.1.20 root 16263: // 0x55: LIM EMS 4.0 - Alter Page Map And JUMP
16264: // 0x56: LIM EMS 4.0 - Alter Page Map And CALL
16265: case 0x57: msdos_int_67h_57h(); break;
16266: case 0x58: msdos_int_67h_58h(); break;
1.1.1.42 root 16267: case 0x59: msdos_int_67h_59h(); break;
1.1.1.20 root 16268: case 0x5a: msdos_int_67h_5ah(); break;
16269: // 0x5b: LIM EMS 4.0 - Alternate Map Register Set (for DOS Kernel)
1.1.1.43 root 16270: // 0x5c: LIM EMS 4.0 - Prepare Expanded Memory Hardware For Warm Boot
16271: case 0x5d: msdos_int_67h_5dh(); break;
1.1.1.31 root 16272: // 0x60: EEMS - Get Physical Window Array
16273: // 0x61: EEMS - Generic Accelerator Card Support
16274: // 0x68: EEMS - Get Address of All Pge Frames om System
16275: // 0x69: EEMS - Map Page into Frame
16276: // 0x6a: EEMS - Page Mapping
16277: // 0xde: VCPI
1.1.1.30 root 16278: case 0xde: msdos_int_67h_deh(); break;
1.1.1.19 root 16279: default:
1.1.1.22 root 16280: 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 16281: REG8(AH) = 0x84;
16282: break;
16283: }
16284: break;
16285: #ifdef SUPPORT_XMS
16286: case 0x69:
16287: // dummy interrupt for XMS (call far)
1.1.1.28 root 16288: try {
16289: switch(REG8(AH)) {
16290: case 0x00: msdos_call_xms_00h(); break;
16291: case 0x01: msdos_call_xms_01h(); break;
16292: case 0x02: msdos_call_xms_02h(); break;
16293: case 0x03: msdos_call_xms_03h(); break;
16294: case 0x04: msdos_call_xms_04h(); break;
16295: case 0x05: msdos_call_xms_05h(); break;
16296: case 0x06: msdos_call_xms_06h(); break;
16297: case 0x07: msdos_call_xms_07h(); break;
16298: case 0x08: msdos_call_xms_08h(); break;
16299: case 0x09: msdos_call_xms_09h(); break;
16300: case 0x0a: msdos_call_xms_0ah(); break;
16301: case 0x0b: msdos_call_xms_0bh(); break;
16302: case 0x0c: msdos_call_xms_0ch(); break;
16303: case 0x0d: msdos_call_xms_0dh(); break;
16304: case 0x0e: msdos_call_xms_0eh(); break;
16305: case 0x0f: msdos_call_xms_0fh(); break;
16306: case 0x10: msdos_call_xms_10h(); break;
16307: case 0x11: msdos_call_xms_11h(); break;
16308: case 0x12: msdos_call_xms_12h(); break;
1.1.1.29 root 16309: #if defined(HAS_I386)
16310: case 0x88: msdos_call_xms_88h(); break;
16311: case 0x89: msdos_call_xms_89h(); break;
16312: case 0x8e: msdos_call_xms_8eh(); break;
16313: case 0x8f: msdos_call_xms_8fh(); break;
16314: #endif
1.1.1.28 root 16315: default:
16316: 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));
16317: REG16(AX) = 0x0000;
16318: REG8(BL) = 0x80; // function not implemented
16319: break;
16320: }
16321: } catch(...) {
1.1.1.19 root 16322: REG16(AX) = 0x0000;
1.1.1.28 root 16323: REG8(BL) = 0x8f; // unrecoverable driver error
1.1.1.19 root 16324: }
16325: break;
16326: #endif
16327: case 0x6a:
1.1.1.24 root 16328: // irq12 (mouse)
16329: mouse_push_ax = REG16(AX);
16330: mouse_push_bx = REG16(BX);
16331: mouse_push_cx = REG16(CX);
16332: mouse_push_dx = REG16(DX);
16333: mouse_push_si = REG16(SI);
16334: mouse_push_di = REG16(DI);
16335:
1.1.1.43 root 16336: if(mouse.status_irq && mouse.call_addr.dw) {
1.1.1.24 root 16337: REG16(AX) = mouse.status_irq;
16338: REG16(BX) = mouse.get_buttons();
1.1.1.34 root 16339: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.position.x));
16340: REG16(DX) = max(mouse.min_position.y & ~7, min(mouse.max_position.y & ~7, mouse.position.y));
1.1.1.24 root 16341: REG16(SI) = REG16(CX) * mouse.mickey.x / 8;
16342: REG16(DI) = REG16(DX) * mouse.mickey.y / 8;
16343:
16344: mem[0xfffd0 + 0x02] = 0x9a; // call far
16345: mem[0xfffd0 + 0x03] = mouse.call_addr.w.l & 0xff;
16346: mem[0xfffd0 + 0x04] = mouse.call_addr.w.l >> 8;
16347: mem[0xfffd0 + 0x05] = mouse.call_addr.w.h & 0xff;
16348: mem[0xfffd0 + 0x06] = mouse.call_addr.w.h >> 8;
1.1.1.43 root 16349: break;
1.1.1.24 root 16350: }
1.1.1.43 root 16351: for(int i = 0; i < 8; i++) {
16352: if((mouse.status_irq_alt & (1 << i)) && mouse.call_addr_alt[i].dw) {
16353: REG16(AX) = mouse.status_irq_alt;
16354: REG16(BX) = mouse.get_buttons();
16355: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.position.x));
16356: REG16(DX) = max(mouse.min_position.y & ~7, min(mouse.max_position.y & ~7, mouse.position.y));
16357: REG16(SI) = REG16(CX) * mouse.mickey.x / 8;
16358: REG16(DI) = REG16(DX) * mouse.mickey.y / 8;
16359:
16360: mem[0xfffd0 + 0x02] = 0x9a; // call far
16361: mem[0xfffd0 + 0x03] = mouse.call_addr_alt[i].w.l & 0xff;
16362: mem[0xfffd0 + 0x04] = mouse.call_addr_alt[i].w.l >> 8;
16363: mem[0xfffd0 + 0x05] = mouse.call_addr_alt[i].w.h & 0xff;
16364: mem[0xfffd0 + 0x06] = mouse.call_addr_alt[i].w.h >> 8;
16365: break;
16366: }
16367: }
16368: // invalid call addr :-(
16369: mem[0xfffd0 + 0x02] = 0x90; // nop
16370: mem[0xfffd0 + 0x03] = 0x90; // nop
16371: mem[0xfffd0 + 0x04] = 0x90; // nop
16372: mem[0xfffd0 + 0x05] = 0x90; // nop
16373: mem[0xfffd0 + 0x06] = 0x90; // nop
1.1.1.24 root 16374: break;
16375: case 0x6b:
16376: // end of irq12 (mouse)
16377: REG16(AX) = mouse_push_ax;
16378: REG16(BX) = mouse_push_bx;
16379: REG16(CX) = mouse_push_cx;
16380: REG16(DX) = mouse_push_dx;
16381: REG16(SI) = mouse_push_si;
16382: REG16(DI) = mouse_push_di;
16383:
16384: // EOI
16385: if((pic[1].isr &= ~(1 << 4)) == 0) {
16386: pic[0].isr &= ~(1 << 2); // master
16387: }
16388: pic_update();
16389: break;
16390: case 0x6c:
1.1.1.19 root 16391: // dummy interrupt for case map routine pointed in the country info
16392: if(REG8(AL) >= 0x80) {
16393: char tmp[2] = {0};
16394: tmp[0] = REG8(AL);
16395: my_strupr(tmp);
16396: REG8(AL) = tmp[0];
16397: }
16398: break;
1.1.1.27 root 16399: case 0x6d:
16400: // dummy interrupt for font read routine pointed by int 15h, ax=5000h
16401: REG8(AL) = 0x86; // not supported
16402: m_CF = 1;
16403: break;
1.1.1.32 root 16404: case 0x6e:
16405: // dummy interrupt for parameter error message read routine pointed by int 2fh, ax=122eh, dl=08h
16406: {
16407: UINT16 code = REG16(AX);
16408: if(code & 0xf0) {
16409: code = (code & 7) | ((code & 0x10) >> 1);
16410: }
16411: for(int i = 0; i < array_length(param_error_table); i++) {
16412: if(param_error_table[i].code == code || param_error_table[i].code == (UINT16)-1) {
16413: const char *message = NULL;
16414: if(active_code_page == 932) {
16415: message = param_error_table[i].message_japanese;
16416: }
16417: if(message == NULL) {
16418: message = param_error_table[i].message_english;
16419: }
16420: *(UINT8 *)(mem + WORK_TOP) = strlen(message);
16421: strcpy((char *)(mem + WORK_TOP + 1), message);
16422:
16423: SREG(ES) = WORK_TOP >> 4;
16424: i386_load_segment_descriptor(ES);
16425: REG16(DI) = 0x0000;
16426: break;
16427: }
16428: }
16429: }
16430: break;
1.1.1.8 root 16431: case 0x70:
16432: case 0x71:
16433: case 0x72:
16434: case 0x73:
16435: case 0x74:
16436: case 0x75:
16437: case 0x76:
16438: case 0x77:
16439: // EOI
16440: if((pic[1].isr &= ~(1 << (num - 0x70))) == 0) {
16441: pic[0].isr &= ~(1 << 2); // master
16442: }
16443: pic_update();
16444: break;
1.1 root 16445: default:
1.1.1.22 root 16446: // 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 16447: break;
16448: }
16449:
16450: // update cursor position
16451: if(cursor_moved) {
1.1.1.36 root 16452: pcbios_update_cursor_position();
1.1 root 16453: cursor_moved = false;
16454: }
16455: }
16456:
16457: // init
16458:
16459: int msdos_init(int argc, char *argv[], char *envp[], int standard_env)
16460: {
16461: // init file handler
16462: memset(file_handler, 0, sizeof(file_handler));
16463: msdos_file_handler_open(0, "STDIN", _isatty(0), 0, 0x80d3, 0);
16464: msdos_file_handler_open(1, "STDOUT", _isatty(1), 1, 0x80d3, 0);
16465: msdos_file_handler_open(2, "STDERR", _isatty(2), 1, 0x80d3, 0);
1.1.1.21 root 16466: #ifdef MAP_AUX_DEVICE_TO_FILE
1.1 root 16467: if(_open("stdaux.txt", _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE) == 3) {
1.1.1.21 root 16468: #else
16469: if(_open("NUL", _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE) == 3) {
16470: #endif
16471: msdos_file_handler_open(3, "STDAUX", 0, 2, 0x80c0, 0);
1.1 root 16472: }
1.1.1.21 root 16473: if(_open("NUL", _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE) == 4) {
1.1.1.45! root 16474: // msdos_file_handler_open(4, "STDPRN", 0, 1, 0xa8c0, 0, 0, 1); // LPT1
! 16475: msdos_file_handler_open(4, "STDPRN", 0, 1, 0x80a0, 0, 0, 1); // LPT1
1.1.1.21 root 16476: }
1.1 root 16477: _dup2(0, DUP_STDIN);
16478: _dup2(1, DUP_STDOUT);
16479: _dup2(2, DUP_STDERR);
1.1.1.21 root 16480: _dup2(3, DUP_STDAUX);
16481: _dup2(4, DUP_STDPRN);
1.1 root 16482:
1.1.1.24 root 16483: // init mouse
16484: memset(&mouse, 0, sizeof(mouse));
1.1.1.34 root 16485: mouse.enabled = true; // from DOSBox
16486: mouse.hidden = 1; // hidden in default ???
16487: mouse.old_hidden = 1; // from DOSBox
16488: mouse.max_position.x = 8 * (scr_width - 1);
16489: mouse.max_position.y = 8 * (scr_height - 1);
1.1.1.24 root 16490: mouse.mickey.x = 8;
16491: mouse.mickey.y = 16;
16492:
1.1.1.26 root 16493: #ifdef SUPPORT_XMS
16494: // init xms
16495: msdos_xms_init();
16496: #endif
16497:
1.1 root 16498: // init process
16499: memset(process, 0, sizeof(process));
16500:
1.1.1.13 root 16501: // init dtainfo
16502: msdos_dta_info_init();
16503:
1.1 root 16504: // init memory
16505: memset(mem, 0, sizeof(mem));
16506:
16507: // bios data area
1.1.1.23 root 16508: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 16509: CONSOLE_SCREEN_BUFFER_INFO csbi;
16510: GetConsoleScreenBufferInfo(hStdout, &csbi);
1.1.1.14 root 16511: CONSOLE_FONT_INFO cfi;
16512: GetCurrentConsoleFont(hStdout, FALSE, &cfi);
16513:
16514: int regen = min(scr_width * scr_height * 2, 0x8000);
16515: text_vram_top_address = TEXT_VRAM_TOP;
16516: text_vram_end_address = text_vram_top_address + regen;
16517: shadow_buffer_top_address = SHADOW_BUF_TOP;
16518: shadow_buffer_end_address = shadow_buffer_top_address + regen;
16519:
16520: if(regen > 0x4000) {
16521: regen = 0x8000;
16522: vram_pages = 1;
16523: } else if(regen > 0x2000) {
16524: regen = 0x4000;
16525: vram_pages = 2;
16526: } else if(regen > 0x1000) {
16527: regen = 0x2000;
16528: vram_pages = 4;
16529: } else {
16530: regen = 0x1000;
16531: vram_pages = 8;
16532: }
1.1 root 16533:
1.1.1.25 root 16534: *(UINT16 *)(mem + 0x400) = 0x3f8; // com1 port address
16535: *(UINT16 *)(mem + 0x402) = 0x2f8; // com2 port address
1.1.1.29 root 16536: *(UINT16 *)(mem + 0x404) = 0x3e8; // com3 port address
16537: *(UINT16 *)(mem + 0x406) = 0x2e8; // com4 port address
1.1.1.25 root 16538: *(UINT16 *)(mem + 0x408) = 0x378; // lpt1 port address
1.1.1.37 root 16539: *(UINT16 *)(mem + 0x40a) = 0x278; // lpt2 port address
16540: *(UINT16 *)(mem + 0x40c) = 0x3bc; // lpt3 port address
1.1.1.32 root 16541: #ifdef EXT_BIOS_TOP
1.1.1.25 root 16542: *(UINT16 *)(mem + 0x40e) = EXT_BIOS_TOP >> 4;
1.1.1.32 root 16543: #endif
1.1.1.26 root 16544: *(UINT16 *)(mem + 0x410) = msdos_get_equipment();
1.1.1.33 root 16545: *(UINT16 *)(mem + 0x413) = MEMORY_END >> 10;
1.1.1.41 root 16546: *(UINT16 *)(mem + 0x41a) = 0x1e;
16547: *(UINT16 *)(mem + 0x41c) = 0x1e;
1.1 root 16548: *(UINT8 *)(mem + 0x449) = 0x03;//0x73;
1.1.1.14 root 16549: *(UINT16 *)(mem + 0x44a) = csbi.dwSize.X;
16550: *(UINT16 *)(mem + 0x44c) = regen;
1.1 root 16551: *(UINT16 *)(mem + 0x44e) = 0;
16552: *(UINT8 *)(mem + 0x450) = csbi.dwCursorPosition.X;
1.1.1.14 root 16553: *(UINT8 *)(mem + 0x451) = csbi.dwCursorPosition.Y - scr_top;
1.1 root 16554: *(UINT8 *)(mem + 0x460) = 7;
16555: *(UINT8 *)(mem + 0x461) = 7;
16556: *(UINT8 *)(mem + 0x462) = 0;
16557: *(UINT16 *)(mem + 0x463) = 0x3d4;
1.1.1.19 root 16558: *(UINT8 *)(mem + 0x465) = 0x09;
16559: *(UINT32 *)(mem + 0x46c) = get_ticks_since_midnight(timeGetTime());
1.1.1.40 root 16560: *(UINT16 *)(mem + 0x472) = 0x4321; // preserve memory in cpu reset
1.1.1.41 root 16561: *(UINT16 *)(mem + 0x480) = 0x1e;
16562: *(UINT16 *)(mem + 0x482) = 0x3e;
1.1.1.14 root 16563: *(UINT8 *)(mem + 0x484) = csbi.srWindow.Bottom - csbi.srWindow.Top;
16564: *(UINT8 *)(mem + 0x485) = cfi.dwFontSize.Y;
16565: *(UINT8 *)(mem + 0x487) = 0x60;
16566: *(UINT8 *)(mem + 0x496) = 0x10; // enhanced keyboard installed
1.1.1.32 root 16567: #ifdef EXT_BIOS_TOP
1.1.1.25 root 16568: *(UINT16 *)(mem + EXT_BIOS_TOP) = 1;
1.1.1.32 root 16569: #endif
1.1.1.14 root 16570:
16571: // initial screen
16572: SMALL_RECT rect;
16573: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
16574: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
16575: for(int y = 0, ofs1 = TEXT_VRAM_TOP, ofs2 = SHADOW_BUF_TOP; y < scr_height; y++) {
16576: for(int x = 0; x < scr_width; x++) {
16577: mem[ofs1++] = mem[ofs2++] = SCR_BUF(y,x).Char.AsciiChar;
16578: mem[ofs1++] = mem[ofs2++] = SCR_BUF(y,x).Attributes;
16579: }
16580: }
1.1 root 16581:
1.1.1.19 root 16582: // init mcb
1.1 root 16583: int seg = MEMORY_TOP >> 4;
1.1.1.19 root 16584:
16585: // iret table
16586: // note: int 2eh vector should address the routine in command.com,
16587: // and some softwares invite (int 2eh vector segment) - 1 must address the mcb of command.com.
16588: // so move iret table into allocated memory block
16589: // http://www5c.biglobe.ne.jp/~ecb/assembler2/2_6.html
1.1.1.33 root 16590: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, IRET_SIZE >> 4);
1.1.1.19 root 16591: IRET_TOP = seg << 4;
16592: seg += IRET_SIZE >> 4;
1.1.1.25 root 16593: memset(mem + IRET_TOP, 0xcf, IRET_SIZE); // iret
1.1.1.19 root 16594:
16595: // dummy xms/ems device
1.1.1.33 root 16596: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, XMS_SIZE >> 4);
1.1.1.19 root 16597: XMS_TOP = seg << 4;
16598: seg += XMS_SIZE >> 4;
16599:
16600: // environment
1.1.1.33 root 16601: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, ENV_SIZE >> 4);
1.1 root 16602: int env_seg = seg;
16603: int ofs = 0;
1.1.1.32 root 16604: char env_append[ENV_SIZE] = {0}, append_added = 0;
16605: char comspec_added = 0;
1.1.1.33 root 16606: char lastdrive_added = 0;
1.1.1.32 root 16607: char env_msdos_path[ENV_SIZE] = {0};
16608: char env_path[ENV_SIZE] = {0}, path_added = 0;
1.1.1.33 root 16609: char prompt_added = 0;
1.1.1.32 root 16610: char env_temp[ENV_SIZE] = {0}, temp_added = 0, tmp_added = 0;
1.1.1.33 root 16611: char tz_added = 0;
1.1.1.45! root 16612: const char *path, *short_path;
1.1.1.32 root 16613:
16614: if((path = getenv("MSDOS_APPEND")) != NULL) {
16615: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
16616: strcpy(env_append, short_path);
16617: }
16618: }
16619: if((path = getenv("APPEND")) != NULL) {
16620: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
16621: if(env_append[0] != '\0') {
16622: strcat(env_append, ";");
16623: }
16624: strcat(env_append, short_path);
16625: }
16626: }
16627:
16628: if((path = msdos_search_command_com(argv[0], env_path)) != NULL) {
16629: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
16630: strcpy(comspec_path, short_path);
16631: }
16632: }
16633: if((path = getenv("MSDOS_COMSPEC")) != NULL && _access(path, 0) == 0) {
16634: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
16635: strcpy(comspec_path, short_path);
16636: }
16637: }
1.1 root 16638:
1.1.1.28 root 16639: if((path = getenv("MSDOS_PATH")) != NULL) {
1.1.1.32 root 16640: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
16641: strcpy(env_msdos_path, short_path);
16642: strcpy(env_path, short_path);
1.1.1.14 root 16643: }
16644: }
1.1.1.28 root 16645: if((path = getenv("PATH")) != NULL) {
1.1.1.32 root 16646: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
16647: if(env_path[0] != '\0') {
16648: strcat(env_path, ";");
16649: }
16650: strcat(env_path, short_path);
1.1.1.9 root 16651: }
16652: }
1.1.1.32 root 16653:
16654: if(GetTempPath(ENV_SIZE, env_temp) != 0) {
16655: strcpy(env_temp, msdos_get_multiple_short_path(env_temp));
1.1.1.15 root 16656: }
1.1.1.32 root 16657: for(int i = 0; i < 4; i++) {
16658: static const char *name[4] = {"MSDOS_TEMP", "MSDOS_TMP", "TEMP", "TMP"};
16659: if((path = getenv(name[i])) != NULL && _access(path, 0) == 0) {
16660: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
16661: strcpy(env_temp, short_path);
16662: break;
16663: }
16664: }
1.1.1.24 root 16665: }
1.1.1.32 root 16666:
1.1.1.9 root 16667: for(char **p = envp; p != NULL && *p != NULL; p++) {
1.1 root 16668: // lower to upper
1.1.1.28 root 16669: char tmp[ENV_SIZE], name[ENV_SIZE];
1.1 root 16670: strcpy(tmp, *p);
16671: for(int i = 0;; i++) {
16672: if(tmp[i] == '=') {
16673: tmp[i] = '\0';
16674: sprintf(name, ";%s;", tmp);
1.1.1.25 root 16675: my_strupr(name);
1.1 root 16676: tmp[i] = '=';
16677: break;
16678: } else if(tmp[i] >= 'a' && tmp[i] <= 'z') {
1.1.1.28 root 16679: tmp[i] = (tmp[i] - 'a') + 'A';
1.1 root 16680: }
16681: }
1.1.1.33 root 16682: if(strstr(";MSDOS_APPEND;MSDOS_COMSPEC;MSDOS_LASTDRIVE;MSDOS_TEMP;MSDOS_TMP;MSDOS_TZ;", name) != NULL) {
16683: // ignore MSDOS_(APPEND/COMSPEC/LASTDRIVE/TEMP/TMP/TZ)
16684: } else if(standard_env && strstr(";APPEND;COMSPEC;LASTDRIVE;MSDOS_PATH;PATH;PROMPT;TEMP;TMP;TZ;", name) == NULL) {
1.1.1.18 root 16685: // ignore non standard environments
16686: } else {
1.1.1.33 root 16687: if(strncmp(tmp, "APPEND=", 7) == 0) {
1.1.1.32 root 16688: if(env_append[0] != '\0') {
16689: sprintf(tmp, "APPEND=%s", env_append);
16690: } else {
16691: sprintf(tmp, "APPEND=%s", msdos_get_multiple_short_path(tmp + 7));
16692: }
16693: append_added = 1;
16694: } else if(strncmp(tmp, "COMSPEC=", 8) == 0) {
1.1.1.14 root 16695: strcpy(tmp, "COMSPEC=C:\\COMMAND.COM");
1.1.1.32 root 16696: comspec_added = 1;
1.1.1.33 root 16697: } else if(strncmp(tmp, "LASTDRIVE=", 10) == 0) {
16698: char *env = getenv("MSDOS_LASTDRIVE");
16699: if(env != NULL) {
16700: sprintf(tmp, "LASTDRIVE=%s", env);
16701: }
16702: lastdrive_added = 1;
16703: } else if(strncmp(tmp, "MSDOS_PATH=", 11) == 0) {
1.1.1.28 root 16704: if(env_msdos_path[0] != '\0') {
16705: sprintf(tmp, "MSDOS_PATH=%s", env_msdos_path);
16706: } else {
16707: sprintf(tmp, "MSDOS_PATH=%s", msdos_get_multiple_short_path(tmp + 11));
16708: }
1.1.1.33 root 16709: } else if(strncmp(tmp, "PATH=", 5) == 0) {
1.1.1.28 root 16710: if(env_path[0] != '\0') {
16711: sprintf(tmp, "PATH=%s", env_path);
16712: } else {
16713: sprintf(tmp, "PATH=%s", msdos_get_multiple_short_path(tmp + 5));
16714: }
1.1.1.32 root 16715: path_added = 1;
1.1.1.33 root 16716: } else if(strncmp(tmp, "PROMPT=", 7) == 0) {
16717: prompt_added = 1;
1.1.1.28 root 16718: } else if(strncmp(tmp, "TEMP=", 5) == 0) {
16719: if(env_temp[0] != '\0') {
16720: sprintf(tmp, "TEMP=%s", env_temp);
16721: } else {
16722: sprintf(tmp, "TEMP=%s", msdos_get_multiple_short_path(tmp + 5));
16723: }
1.1.1.32 root 16724: temp_added = 1;
1.1.1.33 root 16725: } else if(strncmp(tmp, "TMP=", 4) == 0) {
1.1.1.28 root 16726: if(env_temp[0] != '\0') {
16727: sprintf(tmp, "TMP=%s", env_temp);
16728: } else {
16729: sprintf(tmp, "TMP=%s", msdos_get_multiple_short_path(tmp + 4));
1.1 root 16730: }
1.1.1.32 root 16731: tmp_added = 1;
1.1.1.33 root 16732: } else if(strncmp(tmp, "TZ=", 3) == 0) {
16733: char *env = getenv("MSDOS_TZ");
16734: if(env != NULL) {
16735: sprintf(tmp, "TZ=%s", env);
16736: }
16737: tz_added = 1;
1.1 root 16738: }
16739: int len = strlen(tmp);
1.1.1.14 root 16740: if(ofs + len + 1 + (2 + (8 + 1 + 3)) + 2 > ENV_SIZE) {
1.1 root 16741: fatalerror("too many environments\n");
16742: }
16743: memcpy(mem + (seg << 4) + ofs, tmp, len);
16744: ofs += len + 1;
16745: }
16746: }
1.1.1.32 root 16747: if(!append_added && env_append[0] != '\0') {
16748: #define SET_ENV(name, value) { \
16749: char tmp[ENV_SIZE]; \
16750: sprintf(tmp, "%s=%s", name, value); \
16751: int len = strlen(tmp); \
16752: if(ofs + len + 1 + (2 + (8 + 1 + 3)) + 2 > ENV_SIZE) { \
16753: fatalerror("too many environments\n"); \
16754: } \
16755: memcpy(mem + (seg << 4) + ofs, tmp, len); \
16756: ofs += len + 1; \
16757: }
16758: SET_ENV("APPEND", env_append);
16759: }
16760: if(!comspec_added) {
16761: SET_ENV("COMSPEC", "C:\\COMMAND.COM");
16762: }
1.1.1.33 root 16763: if(!lastdrive_added) {
16764: SET_ENV("LASTDRIVE", "Z");
16765: }
1.1.1.32 root 16766: if(!path_added) {
16767: SET_ENV("PATH", env_path);
16768: }
1.1.1.33 root 16769: if(!prompt_added) {
16770: SET_ENV("PROMPT", "$P$G");
16771: }
1.1.1.32 root 16772: if(!temp_added) {
16773: SET_ENV("TEMP", env_temp);
16774: }
16775: if(!tmp_added) {
16776: SET_ENV("TMP", env_temp);
16777: }
1.1.1.33 root 16778: if(!tz_added) {
16779: TIME_ZONE_INFORMATION tzi;
16780: HKEY hKey, hSubKey;
16781: char tzi_std_name[64];
16782: char tz_std[8] = "GMT";
16783: char tz_dlt[8] = "GST";
16784: char tz_value[32];
16785:
16786: // timezone name from GetTimeZoneInformation may not be english
16787: bool daylight = (GetTimeZoneInformation(&tzi) != TIME_ZONE_ID_UNKNOWN);
16788: setlocale(LC_CTYPE, "");
16789: wcstombs(tzi_std_name, tzi.StandardName, sizeof(tzi_std_name));
16790:
16791: // get english timezone name from registry
16792: if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Time Zones", 0, KEY_READ, &hKey) == ERROR_SUCCESS) {
16793: for(DWORD i = 0; !tz_added; i++) {
16794: char reg_name[256], sub_key[1024], std_name[256];
16795: DWORD size;
16796: FILETIME ftTime;
16797: LONG result = RegEnumKeyEx(hKey, i, reg_name, &(size = array_length(reg_name)), NULL, NULL, NULL, &ftTime);
16798:
16799: if(result == ERROR_SUCCESS) {
16800: sprintf(sub_key, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Time Zones\\%s", reg_name);
16801: if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, sub_key, 0, KEY_QUERY_VALUE, &hSubKey) == ERROR_SUCCESS) {
16802: if(RegQueryValueEx(hSubKey, "Std", NULL, NULL, (LPBYTE)std_name, &(size = array_length(std_name))) == ERROR_SUCCESS) {
16803: // search english timezone name from table
1.1.1.37 root 16804: if(strcmp(std_name, tzi_std_name) == 0) {
1.1.1.33 root 16805: for(int j = 0; j < array_length(tz_table); j++) {
16806: if(strcmp(reg_name, tz_table[j].name) == 0 && (tz_table[j].lcid == 0 || tz_table[j].lcid == GetUserDefaultLCID())) {
16807: if(tz_table[j].std != NULL) {
16808: strcpy(tz_std, tz_table[j].std);
16809: }
16810: if(tz_table[j].dlt != NULL) {
16811: strcpy(tz_dlt, tz_table[j].dlt);
16812: }
16813: tz_added = 1;
16814: break;
16815: }
16816: }
16817: }
16818: }
16819: RegCloseKey(hSubKey);
16820: }
16821: } else if(result == ERROR_NO_MORE_ITEMS) {
16822: break;
16823: }
16824: }
16825: RegCloseKey(hKey);
16826: }
16827: if((tzi.Bias % 60) != 0) {
16828: sprintf(tz_value, "%s%d:%2d", tz_std, tzi.Bias / 60, abs(tzi.Bias % 60));
16829: } else {
16830: sprintf(tz_value, "%s%d", tz_std, tzi.Bias / 60);
16831: }
16832: if(daylight) {
16833: strcat(tz_value, tz_dlt);
16834: }
16835: SET_ENV("TZ", tz_value);
16836: }
1.1 root 16837: seg += (ENV_SIZE >> 4);
16838:
16839: // psp
1.1.1.33 root 16840: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, PSP_SIZE >> 4);
1.1 root 16841: current_psp = seg;
1.1.1.35 root 16842: psp_t *psp = msdos_psp_create(seg, seg + (PSP_SIZE >> 4), -1, env_seg);
16843: psp->parent_psp = current_psp;
1.1 root 16844: seg += (PSP_SIZE >> 4);
16845:
1.1.1.19 root 16846: // first free mcb in conventional memory
1.1.1.33 root 16847: msdos_mcb_create(seg, 'M', 0, (MEMORY_END >> 4) - seg - 2);
1.1.1.8 root 16848: first_mcb = seg;
16849:
1.1.1.19 root 16850: // dummy mcb to link to umb
1.1.1.33 root 16851: #if 0
1.1.1.39 root 16852: msdos_mcb_create((MEMORY_END >> 4) - 1, 'M', PSP_SYSTEM, (UMB_TOP >> 4) - (MEMORY_END >> 4), "SC"); // link umb
1.1.1.33 root 16853: #else
1.1.1.39 root 16854: msdos_mcb_create((MEMORY_END >> 4) - 1, 'Z', PSP_SYSTEM, 0, "SC"); // unlink umb
1.1.1.33 root 16855: #endif
1.1.1.19 root 16856:
16857: // first free mcb in upper memory block
1.1.1.8 root 16858: msdos_mcb_create(UMB_TOP >> 4, 'Z', 0, (UMB_END >> 4) - (UMB_TOP >> 4) - 1);
1.1 root 16859:
1.1.1.29 root 16860: #ifdef SUPPORT_HMA
16861: // first free mcb in high memory area
16862: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
16863: #endif
16864:
1.1.1.26 root 16865: // interrupt vector
16866: for(int i = 0; i < 0x80; i++) {
16867: *(UINT16 *)(mem + 4 * i + 0) = i;
16868: *(UINT16 *)(mem + 4 * i + 2) = (IRET_TOP >> 4);
16869: }
1.1.1.35 root 16870: *(UINT16 *)(mem + 4 * 0x08 + 0) = 0x0018; // fffd:0018 irq0 (system timer)
1.1.1.26 root 16871: *(UINT16 *)(mem + 4 * 0x08 + 2) = 0xfffd;
16872: *(UINT16 *)(mem + 4 * 0x22 + 0) = 0x0000; // ffff:0000 boot
16873: *(UINT16 *)(mem + 4 * 0x22 + 2) = 0xffff;
16874: *(UINT16 *)(mem + 4 * 0x67 + 0) = 0x0012; // xxxx:0012 ems
16875: *(UINT16 *)(mem + 4 * 0x67 + 2) = XMS_TOP >> 4;
16876: *(UINT16 *)(mem + 4 * 0x74 + 0) = 0x0000; // fffd:0000 irq12 (mouse)
16877: *(UINT16 *)(mem + 4 * 0x74 + 2) = 0xfffd;
16878:
1.1.1.29 root 16879: // dummy devices (NUL -> CON -> ... -> CONFIG$ -> EMMXXXX0)
1.1.1.26 root 16880: static const struct {
16881: UINT16 attributes;
16882: char *dev_name;
16883: } dummy_devices[] = {
16884: {0x8013, "CON "},
16885: {0x8000, "AUX "},
16886: {0xa0c0, "PRN "},
16887: {0x8008, "CLOCK$ "},
16888: {0x8000, "COM1 "},
16889: {0xa0c0, "LPT1 "},
16890: {0xa0c0, "LPT2 "},
16891: {0xa0c0, "LPT3 "},
16892: {0x8000, "COM2 "},
16893: {0x8000, "COM3 "},
16894: {0x8000, "COM4 "},
1.1.1.30 root 16895: // {0xc000, "CONFIG$ "},
16896: {0xc000, "$IBMADSP"}, // for windows3.1 setup.exe
1.1.1.26 root 16897: };
16898: static const UINT8 dummy_device_routine[] = {
16899: // from NUL device of Windows 98 SE
16900: // or word ptr ES:[BX+03],0100
16901: 0x26, 0x81, 0x4f, 0x03, 0x00, 0x01,
16902: // retf
16903: 0xcb,
16904: };
1.1.1.29 root 16905: device_t *last = NULL;
1.1.1.32 root 16906: for(int i = 0; i < array_length(dummy_devices); i++) {
1.1.1.26 root 16907: device_t *device = (device_t *)(mem + DEVICE_TOP + 22 + 18 * i);
1.1.1.29 root 16908: device->next_driver.w.l = 22 + 18 * (i + 1);
16909: device->next_driver.w.h = DEVICE_TOP >> 4;
1.1.1.26 root 16910: device->attributes = dummy_devices[i].attributes;
1.1.1.29 root 16911: device->strategy = DEVICE_SIZE - sizeof(dummy_device_routine);
16912: device->interrupt = DEVICE_SIZE - sizeof(dummy_device_routine) + 6;
1.1.1.26 root 16913: memcpy(device->dev_name, dummy_devices[i].dev_name, 8);
1.1.1.29 root 16914: last = device;
16915: }
16916: if(last != NULL) {
16917: last->next_driver.w.l = 0;
16918: last->next_driver.w.h = XMS_TOP >> 4;
1.1.1.26 root 16919: }
1.1.1.29 root 16920: memcpy(mem + DEVICE_TOP + DEVICE_SIZE - sizeof(dummy_device_routine), dummy_device_routine, sizeof(dummy_device_routine));
1.1.1.26 root 16921:
1.1.1.25 root 16922: // dos info
16923: dos_info_t *dos_info = (dos_info_t *)(mem + DOS_INFO_TOP);
16924: dos_info->magic_word = 1;
16925: dos_info->first_mcb = MEMORY_TOP >> 4;
16926: dos_info->first_dpb.w.l = 0;
16927: dos_info->first_dpb.w.h = DPB_TOP >> 4;
16928: dos_info->first_sft.w.l = 0;
16929: dos_info->first_sft.w.h = SFT_TOP >> 4;
1.1.1.41 root 16930: dos_info->clock_device.w.l = 22 + 18 * 3; // CLOCK$ is the 4th device in IO.SYS
1.1.1.25 root 16931: dos_info->clock_device.w.h = DEVICE_TOP >> 4;
1.1.1.26 root 16932: dos_info->con_device.w.l = 22 + 18 * 0; // CON is the 1st device in IO.SYS
1.1.1.25 root 16933: dos_info->con_device.w.h = DEVICE_TOP >> 4;
16934: dos_info->max_sector_len = 512;
16935: dos_info->disk_buf_info.w.l = offsetof(dos_info_t, disk_buf_heads);
16936: dos_info->disk_buf_info.w.h = DOS_INFO_TOP >> 4;
16937: dos_info->cds.w.l = 0;
16938: dos_info->cds.w.h = CDS_TOP >> 4;
16939: dos_info->fcb_table.w.l = 0;
16940: dos_info->fcb_table.w.h = FCB_TABLE_TOP >> 4;
16941: dos_info->last_drive = 'Z' - 'A' + 1;
16942: dos_info->buffers_x = 20;
16943: dos_info->buffers_y = 0;
16944: dos_info->boot_drive = 'C' - 'A' + 1;
1.1.1.29 root 16945: dos_info->nul_device.next_driver.w.l = 22;
16946: dos_info->nul_device.next_driver.w.h = DEVICE_TOP >> 4;
1.1.1.25 root 16947: dos_info->nul_device.attributes = 0x8004;
1.1.1.29 root 16948: dos_info->nul_device.strategy = DOS_INFO_SIZE - sizeof(dummy_device_routine);
16949: dos_info->nul_device.interrupt = DOS_INFO_SIZE - sizeof(dummy_device_routine) + 6;
1.1.1.25 root 16950: memcpy(dos_info->nul_device.dev_name, "NUL ", 8);
16951: dos_info->disk_buf_heads.w.l = 0;
16952: dos_info->disk_buf_heads.w.h = DISK_BUF_TOP >> 4;
1.1.1.39 root 16953: dos_info->umb_linked = (((mcb_t *)(mem + MEMORY_END - 16))->mz == 'M' ? 0x01 : 0x00);
1.1.1.25 root 16954: dos_info->first_umb_fcb = UMB_TOP >> 4;
16955: dos_info->first_mcb_2 = MEMORY_TOP >> 4;
1.1.1.29 root 16956: memcpy(mem + DOS_INFO_TOP + DOS_INFO_SIZE - sizeof(dummy_device_routine), dummy_device_routine, sizeof(dummy_device_routine));
1.1.1.25 root 16957:
16958: char *env;
16959: if((env = getenv("LASTDRIVE")) != NULL) {
16960: if(env[0] >= 'A' && env[0] <= 'Z') {
16961: dos_info->last_drive = env[0] - 'A' + 1;
16962: } else if(env[0] >= 'a' && env[0] <= 'z') {
16963: dos_info->last_drive = env[0] - 'a' + 1;
16964: }
16965: }
16966: if((env = getenv("windir")) != NULL) {
16967: if(env[0] >= 'A' && env[0] <= 'Z') {
16968: dos_info->boot_drive = env[0] - 'A' + 1;
16969: } else if(env[0] >= 'a' && env[0] <= 'z') {
16970: dos_info->boot_drive = env[0] - 'a' + 1;
16971: }
16972: }
16973: #if defined(HAS_I386)
16974: dos_info->i386_or_later = 1;
16975: #else
16976: dos_info->i386_or_later = 0;
16977: #endif
16978: dos_info->ext_mem_size = (min(MAX_MEM, 0x4000000) - 0x100000) >> 10;
16979:
1.1.1.27 root 16980: // ems (int 67h) and xms
1.1.1.25 root 16981: device_t *xms_device = (device_t *)(mem + XMS_TOP);
16982: xms_device->next_driver.w.l = 0xffff;
16983: xms_device->next_driver.w.h = 0xffff;
16984: xms_device->attributes = 0xc000;
1.1.1.29 root 16985: xms_device->strategy = XMS_SIZE - sizeof(dummy_device_routine);
16986: xms_device->interrupt = XMS_SIZE - sizeof(dummy_device_routine) + 6;
1.1.1.25 root 16987: memcpy(xms_device->dev_name, "EMMXXXX0", 8);
16988:
1.1.1.26 root 16989: mem[XMS_TOP + 0x12] = 0xcd; // int 68h (dummy)
16990: mem[XMS_TOP + 0x13] = 0x68;
16991: mem[XMS_TOP + 0x14] = 0xcf; // iret
1.1.1.19 root 16992: #ifdef SUPPORT_XMS
16993: if(support_xms) {
1.1.1.26 root 16994: mem[XMS_TOP + 0x15] = 0xcd; // int 69h (dummy)
16995: mem[XMS_TOP + 0x16] = 0x69;
16996: mem[XMS_TOP + 0x17] = 0xcb; // retf
1.1.1.19 root 16997: } else
16998: #endif
1.1.1.26 root 16999: mem[XMS_TOP + 0x15] = 0xcb; // retf
1.1.1.29 root 17000: memcpy(mem + XMS_TOP + XMS_SIZE - sizeof(dummy_device_routine), dummy_device_routine, sizeof(dummy_device_routine));
1.1.1.19 root 17001:
1.1.1.26 root 17002: // irq12 routine (mouse)
1.1.1.24 root 17003: mem[0xfffd0 + 0x00] = 0xcd; // int 6ah (dummy)
17004: mem[0xfffd0 + 0x01] = 0x6a;
17005: mem[0xfffd0 + 0x02] = 0x9a; // call far mouse
17006: mem[0xfffd0 + 0x03] = 0xff;
17007: mem[0xfffd0 + 0x04] = 0xff;
17008: mem[0xfffd0 + 0x05] = 0xff;
17009: mem[0xfffd0 + 0x06] = 0xff;
17010: mem[0xfffd0 + 0x07] = 0xcd; // int 6bh (dummy)
17011: mem[0xfffd0 + 0x08] = 0x6b;
17012: mem[0xfffd0 + 0x09] = 0xcf; // iret
17013:
1.1.1.27 root 17014: // case map routine
17015: mem[0xfffd0 + 0x0a] = 0xcd; // int 6ch (dummy)
17016: mem[0xfffd0 + 0x0b] = 0x6c;
17017: mem[0xfffd0 + 0x0c] = 0xcb; // retf
17018:
17019: // font read routine
17020: mem[0xfffd0 + 0x0d] = 0xcd; // int 6dh (dummy)
17021: mem[0xfffd0 + 0x0e] = 0x6d;
17022: mem[0xfffd0 + 0x0f] = 0xcb; // retf
1.1.1.19 root 17023:
1.1.1.32 root 17024: // error message read routine
17025: mem[0xfffd0 + 0x10] = 0xcd; // int 6eh (dummy)
17026: mem[0xfffd0 + 0x11] = 0x6e;
17027: mem[0xfffd0 + 0x12] = 0xcb; // retf
17028:
1.1.1.35 root 17029: // dummy loop to wait BIOS/DOS service is done
17030: mem[0xfffd0 + 0x13] = 0xe6; // out f7h, al
17031: mem[0xfffd0 + 0x14] = 0xf7;
17032: mem[0xfffd0 + 0x15] = 0x78; // js/jns -4
17033: mem[0xfffd0 + 0x16] = 0xfc;
17034: mem[0xfffd0 + 0x17] = 0xcb; // retf
17035:
1.1.1.26 root 17036: // irq0 routine (system time)
1.1.1.35 root 17037: mem[0xfffd0 + 0x18] = 0xcd; // int 1ch
17038: mem[0xfffd0 + 0x19] = 0x1c;
17039: mem[0xfffd0 + 0x1a] = 0xea; // jmp far (IRET_TOP >> 4):0008
17040: mem[0xfffd0 + 0x1b] = 0x08;
17041: mem[0xfffd0 + 0x1c] = 0x00;
17042: mem[0xfffd0 + 0x1d] = ((IRET_TOP >> 4) ) & 0xff;
17043: mem[0xfffd0 + 0x1e] = ((IRET_TOP >> 4) >> 8) & 0xff;
1.1.1.14 root 17044:
1.1.1.26 root 17045: // boot routine
1.1 root 17046: mem[0xffff0] = 0xf4; // halt
17047: mem[0xffff1] = 0xcd; // int 21h
17048: mem[0xffff2] = 0x21;
17049: mem[0xffff3] = 0xcb; // retf
17050:
1.1.1.24 root 17051: mem[0xffff5] = '0'; // rom date
17052: mem[0xffff6] = '2';
17053: mem[0xffff7] = '/';
17054: mem[0xffff8] = '2';
17055: mem[0xffff9] = '2';
17056: mem[0xffffa] = '/';
17057: mem[0xffffb] = '0';
17058: mem[0xffffc] = '6';
17059: mem[0xffffe] = 0xfc; // machine id
17060: mem[0xfffff] = 0x00;
17061:
1.1 root 17062: // param block
17063: // + 0: param block (22bytes)
17064: // +24: fcb1/2 (20bytes)
17065: // +44: command tail (128bytes)
17066: param_block_t *param = (param_block_t *)(mem + WORK_TOP);
17067: param->env_seg = 0;
17068: param->cmd_line.w.l = 44;
17069: param->cmd_line.w.h = (WORK_TOP >> 4);
17070: param->fcb1.w.l = 24;
17071: param->fcb1.w.h = (WORK_TOP >> 4);
17072: param->fcb2.w.l = 24;
17073: param->fcb2.w.h = (WORK_TOP >> 4);
17074:
17075: memset(mem + WORK_TOP + 24, 0x20, 20);
17076:
17077: cmd_line_t *cmd_line = (cmd_line_t *)(mem + WORK_TOP + 44);
17078: if(argc > 1) {
17079: sprintf(cmd_line->cmd, " %s", argv[1]);
17080: for(int i = 2; i < argc; i++) {
17081: char tmp[128];
17082: sprintf(tmp, "%s %s", cmd_line->cmd, argv[i]);
17083: strcpy(cmd_line->cmd, tmp);
17084: }
17085: cmd_line->len = (UINT8)strlen(cmd_line->cmd);
17086: } else {
17087: cmd_line->len = 0;
17088: }
17089: cmd_line->cmd[cmd_line->len] = 0x0d;
17090:
17091: // system file table
1.1.1.21 root 17092: *(UINT32 *)(mem + SFT_TOP + 0) = 0xffffffff;
17093: *(UINT16 *)(mem + SFT_TOP + 4) = 20;
1.1 root 17094:
1.1.1.19 root 17095: // disk buffer header (from DOSBox)
17096: *(UINT16 *)(mem + DISK_BUF_TOP + 0) = 0xffff; // forward ptr
17097: *(UINT16 *)(mem + DISK_BUF_TOP + 2) = 0xffff; // backward ptr
17098: *(UINT8 *)(mem + DISK_BUF_TOP + 4) = 0xff; // not in use
17099: *(UINT8 *)(mem + DISK_BUF_TOP + 10) = 0x01; // number of FATs
17100: *(UINT32 *)(mem + DISK_BUF_TOP + 13) = 0xffffffff; // pointer to DPB
17101:
1.1 root 17102: // fcb table
17103: *(UINT32 *)(mem + FCB_TABLE_TOP + 0) = 0xffffffff;
1.1.1.14 root 17104: *(UINT16 *)(mem + FCB_TABLE_TOP + 4) = 0;
1.1 root 17105:
1.1.1.41 root 17106: // drive parameter block
1.1.1.42 root 17107: for(int i = 0; i < 2; i++) {
1.1.1.43 root 17108: // may be a floppy drive
1.1.1.44 root 17109: cds_t *cds = (cds_t *)(mem + CDS_TOP + 88 * i);
17110: sprintf(cds->path_name, "%c:\\", 'A' + i);
17111: cds->drive_attrib = 0x4000; // physical drive
17112: cds->dpb_ptr.w.l = sizeof(dpb_t) * i;
17113: cds->dpb_ptr.w.h = DPB_TOP >> 4;
17114: cds->word_1 = cds->word_2 = cds->word_3 = 0xffff;
17115: cds->bs_offset = 2;
17116:
1.1.1.41 root 17117: dpb_t *dpb = (dpb_t *)(mem + DPB_TOP + sizeof(dpb_t) * i);
17118: dpb->drive_num = i;
17119: dpb->unit_num = i;
1.1.1.43 root 17120: dpb->next_dpb_ofs = /*(i == 25) ? 0xffff : */sizeof(dpb_t) * (i + 1);
17121: dpb->next_dpb_seg = /*(i == 25) ? 0xffff : */DPB_TOP >> 4;
1.1.1.42 root 17122: }
17123: for(int i = 2; i < 26; i++) {
1.1.1.44 root 17124: msdos_cds_update(i);
1.1.1.42 root 17125: UINT16 seg, ofs;
17126: msdos_drive_param_block_update(i, &seg, &ofs, 1);
1.1.1.41 root 17127: }
17128:
1.1.1.17 root 17129: // nls stuff
17130: msdos_nls_tables_init();
1.1 root 17131:
17132: // execute command
1.1.1.28 root 17133: try {
17134: if(msdos_process_exec(argv[0], param, 0)) {
17135: fatalerror("'%s' not found\n", argv[0]);
17136: }
17137: } catch(...) {
17138: // we should not reach here :-(
17139: fatalerror("failed to start '%s' because of unexpected exeption\n", argv[0]);
1.1 root 17140: }
17141: retval = 0;
17142: return(0);
17143: }
17144:
17145: #define remove_std_file(path) { \
17146: int fd = _open(path, _O_RDONLY | _O_BINARY); \
17147: if(fd != -1) { \
17148: _lseek(fd, 0, SEEK_END); \
17149: int size = _tell(fd); \
17150: _close(fd); \
17151: if(size == 0) { \
17152: remove(path); \
17153: } \
17154: } \
17155: }
17156:
17157: void msdos_finish()
17158: {
17159: for(int i = 0; i < MAX_FILES; i++) {
17160: if(file_handler[i].valid) {
17161: _close(i);
17162: }
17163: }
1.1.1.21 root 17164: #ifdef MAP_AUX_DEVICE_TO_FILE
1.1 root 17165: remove_std_file("stdaux.txt");
1.1.1.21 root 17166: #endif
1.1.1.30 root 17167: #ifdef SUPPORT_XMS
17168: msdos_xms_finish();
17169: #endif
1.1 root 17170: msdos_dbcs_table_finish();
17171: }
17172:
17173: /* ----------------------------------------------------------------------------
17174: PC/AT hardware emulation
17175: ---------------------------------------------------------------------------- */
17176:
17177: void hardware_init()
17178: {
1.1.1.3 root 17179: CPU_INIT_CALL(CPU_MODEL);
1.1 root 17180: CPU_RESET_CALL(CPU_MODEL);
1.1.1.14 root 17181: m_IF = 1;
1.1.1.3 root 17182: #if defined(HAS_I386)
1.1 root 17183: cpu_type = (REG32(EDX) >> 8) & 0x0f;
17184: cpu_step = (REG32(EDX) >> 0) & 0x0f;
1.1.1.3 root 17185: #endif
17186: i386_set_a20_line(0);
1.1.1.14 root 17187:
1.1.1.19 root 17188: ems_init();
1.1.1.25 root 17189: dma_init();
1.1 root 17190: pic_init();
1.1.1.25 root 17191: pio_init();
1.1.1.8 root 17192: #ifdef PIT_ALWAYS_RUNNING
17193: pit_init();
17194: #else
1.1 root 17195: pit_active = 0;
17196: #endif
1.1.1.25 root 17197: sio_init();
1.1.1.8 root 17198: cmos_init();
17199: kbd_init();
1.1 root 17200: }
17201:
1.1.1.10 root 17202: void hardware_finish()
17203: {
17204: #if defined(HAS_I386)
17205: vtlb_free(m_vtlb);
17206: #endif
1.1.1.19 root 17207: ems_finish();
1.1.1.37 root 17208: pio_finish();
1.1.1.25 root 17209: sio_finish();
1.1.1.10 root 17210: }
17211:
1.1.1.28 root 17212: void hardware_release()
17213: {
17214: // release hardware resources when this program will be terminated abnormally
17215: #ifdef EXPORT_DEBUG_TO_FILE
1.1.1.33 root 17216: if(fp_debug_log != NULL) {
17217: fclose(fp_debug_log);
17218: fp_debug_log = NULL;
1.1.1.28 root 17219: }
17220: #endif
17221: #if defined(HAS_I386)
17222: vtlb_free(m_vtlb);
17223: #endif
17224: ems_release();
1.1.1.37 root 17225: pio_release();
1.1.1.28 root 17226: sio_release();
17227: }
17228:
1.1 root 17229: void hardware_run()
17230: {
1.1.1.22 root 17231: #ifdef EXPORT_DEBUG_TO_FILE
1.1.1.28 root 17232: // open debug log file after msdos_init() is done not to use the standard file handlers
1.1.1.33 root 17233: fp_debug_log = fopen("debug.log", "w");
1.1.1.22 root 17234: #endif
1.1.1.3 root 17235: while(!m_halted) {
17236: #if defined(HAS_I386)
1.1 root 17237: CPU_EXECUTE_CALL(i386);
1.1.1.14 root 17238: if(m_eip != m_prev_eip) {
1.1.1.35 root 17239: idle_ops++;
17240: }
1.1.1.14 root 17241: #else
1.1.1.35 root 17242: CPU_EXECUTE_CALL(CPU_MODEL);
1.1.1.14 root 17243: if(m_pc != m_prevpc) {
1.1.1.35 root 17244: idle_ops++;
1.1.1.14 root 17245: }
1.1.1.35 root 17246: #endif
17247: if(++update_ops == UPDATE_OPS) {
1.1 root 17248: hardware_update();
1.1.1.35 root 17249: update_ops = 0;
1.1 root 17250: }
17251: }
1.1.1.22 root 17252: #ifdef EXPORT_DEBUG_TO_FILE
1.1.1.33 root 17253: if(fp_debug_log != NULL) {
17254: fclose(fp_debug_log);
17255: fp_debug_log = NULL;
1.1.1.28 root 17256: }
1.1.1.22 root 17257: #endif
1.1 root 17258: }
17259:
17260: void hardware_update()
17261: {
1.1.1.8 root 17262: static UINT32 prev_time = 0;
17263: UINT32 cur_time = timeGetTime();
17264:
17265: if(prev_time != cur_time) {
17266: // update pit and raise irq0
17267: #ifndef PIT_ALWAYS_RUNNING
17268: if(pit_active)
17269: #endif
17270: {
17271: if(pit_run(0, cur_time)) {
17272: pic_req(0, 0, 1);
17273: }
17274: pit_run(1, cur_time);
17275: pit_run(2, cur_time);
17276: }
1.1.1.24 root 17277:
1.1.1.25 root 17278: // update sio and raise irq4/3
1.1.1.29 root 17279: for(int c = 0; c < 4; c++) {
1.1.1.25 root 17280: sio_update(c);
17281: }
17282:
1.1.1.24 root 17283: // update keyboard and mouse
1.1.1.14 root 17284: static UINT32 prev_tick = 0;
17285: UINT32 cur_tick = cur_time / 32;
1.1.1.25 root 17286:
1.1.1.14 root 17287: if(prev_tick != cur_tick) {
17288: // update keyboard flags
17289: UINT8 state;
1.1.1.24 root 17290: state = (GetAsyncKeyState(VK_INSERT ) & 0x0001) ? 0x80 : 0;
17291: state |= (GetAsyncKeyState(VK_CAPITAL ) & 0x0001) ? 0x40 : 0;
17292: state |= (GetAsyncKeyState(VK_NUMLOCK ) & 0x0001) ? 0x20 : 0;
17293: state |= (GetAsyncKeyState(VK_SCROLL ) & 0x0001) ? 0x10 : 0;
17294: state |= (GetAsyncKeyState(VK_MENU ) & 0x8000) ? 0x08 : 0;
17295: state |= (GetAsyncKeyState(VK_CONTROL ) & 0x8000) ? 0x04 : 0;
17296: state |= (GetAsyncKeyState(VK_LSHIFT ) & 0x8000) ? 0x02 : 0;
17297: state |= (GetAsyncKeyState(VK_RSHIFT ) & 0x8000) ? 0x01 : 0;
1.1.1.14 root 17298: mem[0x417] = state;
17299: state = (GetAsyncKeyState(VK_INSERT ) & 0x8000) ? 0x80 : 0;
17300: state |= (GetAsyncKeyState(VK_CAPITAL ) & 0x8000) ? 0x40 : 0;
17301: state |= (GetAsyncKeyState(VK_NUMLOCK ) & 0x8000) ? 0x20 : 0;
17302: state |= (GetAsyncKeyState(VK_SCROLL ) & 0x8000) ? 0x10 : 0;
1.1.1.24 root 17303: // state |= (GetAsyncKeyState(VK_PAUSE ) & 0x0001) ? 0x08 : 0;
17304: // state |= (GetAsyncKeyState(VK_SYSREQ ) & 0x8000) ? 0x04 : 0;
1.1.1.14 root 17305: state |= (GetAsyncKeyState(VK_LMENU ) & 0x8000) ? 0x02 : 0;
17306: state |= (GetAsyncKeyState(VK_LCONTROL) & 0x8000) ? 0x01 : 0;
17307: mem[0x418] = state;
17308:
1.1.1.24 root 17309: // update console input if needed
1.1.1.34 root 17310: if(!key_changed || mouse.hidden == 0) {
1.1.1.24 root 17311: update_console_input();
17312: }
17313:
17314: // raise irq1 if key is pressed/released
17315: if(key_changed) {
1.1.1.8 root 17316: pic_req(0, 1, 1);
1.1.1.24 root 17317: key_changed = false;
17318: }
17319:
17320: // raise irq12 if mouse status is changed
1.1.1.43 root 17321: if((mouse.status & mouse.call_mask) && mouse.call_addr.dw) {
17322: mouse.status_irq = mouse.status & mouse.call_mask;
17323: mouse.status_irq_alt = 0; // ???
1.1.1.24 root 17324: mouse.status &= ~mouse.call_mask;
1.1.1.43 root 17325: pic_req(1, 4, 1);
17326: } else {
17327: for(int i = 0; i < 8; i++) {
17328: if((mouse.status_alt & (1 << i)) && mouse.call_addr_alt[i].dw) {
17329: mouse.status_irq = 0; // ???
17330: mouse.status_irq_alt = 0;
17331: for(int j = 0; j < 8; j++) {
17332: if((mouse.status_alt & (1 << j)) && mouse.call_addr_alt[i].dw == mouse.call_addr_alt[j].dw) {
17333: mouse.status_irq_alt |= (1 << j);
17334: mouse.status_alt &= ~(1 << j);
17335: }
17336: }
17337: pic_req(1, 4, 1);
17338: break;
17339: }
17340: }
1.1.1.8 root 17341: }
1.1.1.24 root 17342:
1.1.1.14 root 17343: prev_tick = cur_tick;
1.1.1.8 root 17344: }
1.1.1.24 root 17345:
1.1.1.19 root 17346: // update daily timer counter
17347: pcbios_update_daily_timer_counter(cur_time);
1.1.1.25 root 17348:
1.1.1.8 root 17349: prev_time = cur_time;
1.1 root 17350: }
17351: }
17352:
1.1.1.19 root 17353: // ems
17354:
17355: void ems_init()
17356: {
17357: memset(ems_handles, 0, sizeof(ems_handles));
17358: memset(ems_pages, 0, sizeof(ems_pages));
17359: free_ems_pages = MAX_EMS_PAGES;
17360: }
17361:
17362: void ems_finish()
17363: {
1.1.1.28 root 17364: ems_release();
17365: }
17366:
17367: void ems_release()
17368: {
1.1.1.31 root 17369: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.28 root 17370: if(ems_handles[i].buffer != NULL) {
1.1.1.19 root 17371: free(ems_handles[i].buffer);
17372: ems_handles[i].buffer = NULL;
17373: }
17374: }
17375: }
17376:
17377: void ems_allocate_pages(int handle, int pages)
17378: {
17379: if(pages > 0) {
17380: ems_handles[handle].buffer = (UINT8 *)calloc(1, 0x4000 * pages);
17381: } else {
17382: ems_handles[handle].buffer = NULL;
17383: }
17384: ems_handles[handle].pages = pages;
17385: ems_handles[handle].allocated = true;
17386: free_ems_pages -= pages;
17387: }
17388:
17389: void ems_reallocate_pages(int handle, int pages)
17390: {
17391: if(ems_handles[handle].allocated) {
17392: if(ems_handles[handle].pages != pages) {
17393: UINT8 *new_buffer = NULL;
17394:
17395: if(pages > 0) {
17396: new_buffer = (UINT8 *)calloc(1, 0x4000 * pages);
17397: }
1.1.1.32 root 17398: if(ems_handles[handle].buffer != NULL) {
17399: if(new_buffer != NULL) {
1.1.1.19 root 17400: if(pages > ems_handles[handle].pages) {
17401: memcpy(new_buffer, ems_handles[handle].buffer, 0x4000 * ems_handles[handle].pages);
17402: } else {
17403: memcpy(new_buffer, ems_handles[handle].buffer, 0x4000 * pages);
17404: }
17405: }
17406: free(ems_handles[handle].buffer);
17407: ems_handles[handle].buffer = NULL;
17408: }
17409: free_ems_pages += ems_handles[handle].pages;
17410:
17411: ems_handles[handle].buffer = new_buffer;
17412: ems_handles[handle].pages = pages;
17413: free_ems_pages -= pages;
17414: }
17415: } else {
17416: ems_allocate_pages(handle, pages);
17417: }
17418: }
17419:
17420: void ems_release_pages(int handle)
17421: {
17422: if(ems_handles[handle].allocated) {
1.1.1.32 root 17423: if(ems_handles[handle].buffer != NULL) {
1.1.1.19 root 17424: free(ems_handles[handle].buffer);
17425: ems_handles[handle].buffer = NULL;
17426: }
17427: free_ems_pages += ems_handles[handle].pages;
17428: ems_handles[handle].allocated = false;
17429: }
17430: }
17431:
17432: void ems_map_page(int physical, int handle, int logical)
17433: {
17434: if(ems_pages[physical].mapped) {
17435: if(ems_pages[physical].handle == handle && ems_pages[physical].page == logical) {
17436: return;
17437: }
17438: ems_unmap_page(physical);
17439: }
1.1.1.32 root 17440: if(ems_handles[handle].allocated && ems_handles[handle].buffer != NULL && logical < ems_handles[handle].pages) {
1.1.1.19 root 17441: memcpy(mem + EMS_TOP + 0x4000 * physical, ems_handles[handle].buffer + 0x4000 * logical, 0x4000);
17442: }
17443: ems_pages[physical].handle = handle;
17444: ems_pages[physical].page = logical;
17445: ems_pages[physical].mapped = true;
17446: }
17447:
17448: void ems_unmap_page(int physical)
17449: {
17450: if(ems_pages[physical].mapped) {
17451: int handle = ems_pages[physical].handle;
17452: int logical = ems_pages[physical].page;
17453:
1.1.1.32 root 17454: if(ems_handles[handle].allocated && ems_handles[handle].buffer != NULL && logical < ems_handles[handle].pages) {
1.1.1.19 root 17455: memcpy(ems_handles[handle].buffer + 0x4000 * logical, mem + EMS_TOP + 0x4000 * physical, 0x4000);
17456: }
17457: ems_pages[physical].mapped = false;
17458: }
17459: }
17460:
1.1.1.25 root 17461: // dma
1.1 root 17462:
1.1.1.25 root 17463: void dma_init()
1.1 root 17464: {
1.1.1.26 root 17465: memset(dma, 0, sizeof(dma));
1.1.1.25 root 17466: for(int c = 0; c < 2; c++) {
1.1.1.26 root 17467: // for(int ch = 0; ch < 4; ch++) {
17468: // dma[c].ch[ch].creg.w = dma[c].ch[ch].bcreg.w = 0xffff;
17469: // }
1.1.1.25 root 17470: dma_reset(c);
17471: }
1.1 root 17472: }
17473:
1.1.1.25 root 17474: void dma_reset(int c)
1.1 root 17475: {
1.1.1.25 root 17476: dma[c].low_high = false;
17477: dma[c].cmd = dma[c].req = dma[c].tc = 0;
17478: dma[c].mask = 0xff;
17479: }
17480:
17481: void dma_write(int c, UINT32 addr, UINT8 data)
17482: {
17483: int ch = (addr >> 1) & 3;
17484: UINT8 bit = 1 << (data & 3);
17485:
17486: switch(addr & 0x0f) {
17487: case 0x00: case 0x02: case 0x04: case 0x06:
17488: if(dma[c].low_high) {
17489: dma[c].ch[ch].bareg.b.h = data;
1.1 root 17490: } else {
1.1.1.25 root 17491: dma[c].ch[ch].bareg.b.l = data;
17492: }
17493: dma[c].ch[ch].areg.w = dma[c].ch[ch].bareg.w;
17494: dma[c].low_high = !dma[c].low_high;
17495: break;
17496: case 0x01: case 0x03: case 0x05: case 0x07:
17497: if(dma[c].low_high) {
17498: dma[c].ch[ch].bcreg.b.h = data;
17499: } else {
17500: dma[c].ch[ch].bcreg.b.l = data;
17501: }
17502: dma[c].ch[ch].creg.w = dma[c].ch[ch].bcreg.w;
17503: dma[c].low_high = !dma[c].low_high;
17504: break;
17505: case 0x08:
17506: // command register
17507: dma[c].cmd = data;
17508: break;
17509: case 0x09:
17510: // dma[c].request register
17511: if(data & 4) {
17512: if(!(dma[c].req & bit)) {
17513: dma[c].req |= bit;
17514: // dma_run(c, ch);
17515: }
17516: } else {
17517: dma[c].req &= ~bit;
17518: }
17519: break;
17520: case 0x0a:
17521: // single mask register
17522: if(data & 4) {
17523: dma[c].mask |= bit;
17524: } else {
17525: dma[c].mask &= ~bit;
17526: }
17527: break;
17528: case 0x0b:
17529: // mode register
17530: dma[c].ch[data & 3].mode = data;
17531: break;
17532: case 0x0c:
17533: dma[c].low_high = false;
17534: break;
17535: case 0x0d:
17536: // clear master
17537: dma_reset(c);
17538: break;
17539: case 0x0e:
17540: // clear mask register
17541: dma[c].mask = 0;
17542: break;
17543: case 0x0f:
17544: // all mask register
17545: dma[c].mask = data & 0x0f;
17546: break;
17547: }
17548: }
17549:
17550: UINT8 dma_read(int c, UINT32 addr)
17551: {
17552: int ch = (addr >> 1) & 3;
17553: UINT8 val = 0xff;
17554:
17555: switch(addr & 0x0f) {
17556: case 0x00: case 0x02: case 0x04: case 0x06:
17557: if(dma[c].low_high) {
17558: val = dma[c].ch[ch].areg.b.h;
17559: } else {
17560: val = dma[c].ch[ch].areg.b.l;
17561: }
17562: dma[c].low_high = !dma[c].low_high;
17563: return(val);
17564: case 0x01: case 0x03: case 0x05: case 0x07:
17565: if(dma[c].low_high) {
17566: val = dma[c].ch[ch].creg.b.h;
17567: } else {
17568: val = dma[c].ch[ch].creg.b.l;
17569: }
17570: dma[c].low_high = !dma[c].low_high;
17571: return(val);
17572: case 0x08:
17573: // status register
17574: val = (dma[c].req << 4) | dma[c].tc;
17575: dma[c].tc = 0;
17576: return(val);
17577: case 0x0d:
1.1.1.26 root 17578: // temporary register (intel 82374 does not support)
1.1.1.25 root 17579: return(dma[c].tmp & 0xff);
1.1.1.26 root 17580: case 0x0f:
17581: // mask register (intel 82374 does support)
17582: return(dma[c].mask);
1.1.1.25 root 17583: }
17584: return(0xff);
17585: }
17586:
17587: void dma_page_write(int c, int ch, UINT8 data)
17588: {
17589: dma[c].ch[ch].pagereg = data;
17590: }
17591:
17592: UINT8 dma_page_read(int c, int ch)
17593: {
17594: return(dma[c].ch[ch].pagereg);
17595: }
17596:
17597: void dma_run(int c, int ch)
17598: {
17599: UINT8 bit = 1 << ch;
17600:
17601: if((dma[c].req & bit) && !(dma[c].mask & bit)) {
17602: // execute dma
17603: while(dma[c].req & bit) {
17604: if(ch == 0 && (dma[c].cmd & 0x01)) {
17605: // memory -> memory
17606: UINT32 saddr = dma[c].ch[0].areg.w | (dma[c].ch[0].pagereg << 16);
17607: UINT32 daddr = dma[c].ch[1].areg.w | (dma[c].ch[1].pagereg << 16);
17608:
17609: if(c == 0) {
17610: dma[c].tmp = read_byte(saddr);
17611: write_byte(daddr, dma[c].tmp);
17612: } else {
17613: dma[c].tmp = read_word(saddr << 1);
17614: write_word(daddr << 1, dma[c].tmp);
17615: }
17616: if(!(dma[c].cmd & 0x02)) {
17617: if(dma[c].ch[0].mode & 0x20) {
17618: dma[c].ch[0].areg.w--;
17619: if(dma[c].ch[0].areg.w == 0xffff) {
17620: dma[c].ch[0].pagereg--;
17621: }
17622: } else {
17623: dma[c].ch[0].areg.w++;
17624: if(dma[c].ch[0].areg.w == 0) {
17625: dma[c].ch[0].pagereg++;
17626: }
17627: }
17628: }
17629: if(dma[c].ch[1].mode & 0x20) {
17630: dma[c].ch[1].areg.w--;
17631: if(dma[c].ch[1].areg.w == 0xffff) {
17632: dma[c].ch[1].pagereg--;
17633: }
17634: } else {
17635: dma[c].ch[1].areg.w++;
17636: if(dma[c].ch[1].areg.w == 0) {
17637: dma[c].ch[1].pagereg++;
17638: }
17639: }
17640:
17641: // check dma condition
17642: if(dma[c].ch[0].creg.w-- == 0) {
17643: if(dma[c].ch[0].mode & 0x10) {
17644: // self initialize
17645: dma[c].ch[0].areg.w = dma[c].ch[0].bareg.w;
17646: dma[c].ch[0].creg.w = dma[c].ch[0].bcreg.w;
17647: } else {
17648: // dma[c].mask |= bit;
17649: }
17650: }
17651: if(dma[c].ch[1].creg.w-- == 0) {
17652: // terminal count
17653: if(dma[c].ch[1].mode & 0x10) {
17654: // self initialize
17655: dma[c].ch[1].areg.w = dma[c].ch[1].bareg.w;
17656: dma[c].ch[1].creg.w = dma[c].ch[1].bcreg.w;
17657: } else {
17658: dma[c].mask |= bit;
17659: }
17660: dma[c].req &= ~bit;
17661: dma[c].tc |= bit;
17662: }
17663: } else {
17664: UINT32 addr = dma[c].ch[ch].areg.w | (dma[c].ch[ch].pagereg << 16);
17665:
17666: if((dma[c].ch[ch].mode & 0x0c) == 0x00) {
17667: // verify
17668: } else if((dma[c].ch[ch].mode & 0x0c) == 0x04) {
17669: // io -> memory
17670: if(c == 0) {
17671: dma[c].tmp = read_io_byte(dma[c].ch[ch].port);
17672: write_byte(addr, dma[c].tmp);
17673: } else {
17674: dma[c].tmp = read_io_word(dma[c].ch[ch].port);
17675: write_word(addr << 1, dma[c].tmp);
17676: }
17677: } else if((dma[c].ch[ch].mode & 0x0c) == 0x08) {
17678: // memory -> io
17679: if(c == 0) {
17680: dma[c].tmp = read_byte(addr);
17681: write_io_byte(dma[c].ch[ch].port, dma[c].tmp);
17682: } else {
17683: dma[c].tmp = read_word(addr << 1);
17684: write_io_word(dma[c].ch[ch].port, dma[c].tmp);
17685: }
17686: }
17687: if(dma[c].ch[ch].mode & 0x20) {
17688: dma[c].ch[ch].areg.w--;
17689: if(dma[c].ch[ch].areg.w == 0xffff) {
17690: dma[c].ch[ch].pagereg--;
17691: }
17692: } else {
17693: dma[c].ch[ch].areg.w++;
17694: if(dma[c].ch[ch].areg.w == 0) {
17695: dma[c].ch[ch].pagereg++;
17696: }
17697: }
17698:
17699: // check dma condition
17700: if(dma[c].ch[ch].creg.w-- == 0) {
17701: // terminal count
17702: if(dma[c].ch[ch].mode & 0x10) {
17703: // self initialize
17704: dma[c].ch[ch].areg.w = dma[c].ch[ch].bareg.w;
17705: dma[c].ch[ch].creg.w = dma[c].ch[ch].bcreg.w;
17706: } else {
17707: dma[c].mask |= bit;
17708: }
17709: dma[c].req &= ~bit;
17710: dma[c].tc |= bit;
17711: } else if((dma[c].ch[ch].mode & 0xc0) == 0x40) {
17712: // single mode
17713: break;
17714: }
17715: }
17716: }
17717: }
17718: }
17719:
17720: // pic
17721:
17722: void pic_init()
17723: {
17724: memset(pic, 0, sizeof(pic));
17725: pic[0].imr = pic[1].imr = 0xff;
17726:
17727: // from bochs bios
17728: pic_write(0, 0, 0x11); // icw1 = 11h
17729: pic_write(0, 1, 0x08); // icw2 = 08h
17730: pic_write(0, 1, 0x04); // icw3 = 04h
17731: pic_write(0, 1, 0x01); // icw4 = 01h
17732: pic_write(0, 1, 0xb8); // ocw1 = b8h
17733: pic_write(1, 0, 0x11); // icw1 = 11h
17734: pic_write(1, 1, 0x70); // icw2 = 70h
17735: pic_write(1, 1, 0x02); // icw3 = 02h
17736: pic_write(1, 1, 0x01); // icw4 = 01h
17737: }
17738:
17739: void pic_write(int c, UINT32 addr, UINT8 data)
17740: {
17741: if(addr & 1) {
17742: if(pic[c].icw2_r) {
17743: // icw2
17744: pic[c].icw2 = data;
17745: pic[c].icw2_r = 0;
17746: } else if(pic[c].icw3_r) {
17747: // icw3
17748: pic[c].icw3 = data;
17749: pic[c].icw3_r = 0;
17750: } else if(pic[c].icw4_r) {
17751: // icw4
17752: pic[c].icw4 = data;
17753: pic[c].icw4_r = 0;
17754: } else {
17755: // ocw1
1.1 root 17756: pic[c].imr = data;
17757: }
17758: } else {
17759: if(data & 0x10) {
17760: // icw1
17761: pic[c].icw1 = data;
17762: pic[c].icw2_r = 1;
17763: pic[c].icw3_r = (data & 2) ? 0 : 1;
17764: pic[c].icw4_r = data & 1;
17765: pic[c].irr = 0;
17766: pic[c].isr = 0;
17767: pic[c].imr = 0;
17768: pic[c].prio = 0;
17769: if(!(pic[c].icw1 & 1)) {
17770: pic[c].icw4 = 0;
17771: }
17772: pic[c].ocw3 = 0;
17773: } else if(data & 8) {
17774: // ocw3
17775: if(!(data & 2)) {
17776: data = (data & ~1) | (pic[c].ocw3 & 1);
17777: }
17778: if(!(data & 0x40)) {
17779: data = (data & ~0x20) | (pic[c].ocw3 & 0x20);
17780: }
17781: pic[c].ocw3 = data;
17782: } else {
17783: // ocw2
17784: int level = 0;
17785: if(data & 0x40) {
17786: level = data & 7;
17787: } else {
17788: if(!pic[c].isr) {
17789: return;
17790: }
17791: level = pic[c].prio;
17792: while(!(pic[c].isr & (1 << level))) {
17793: level = (level + 1) & 7;
17794: }
17795: }
17796: if(data & 0x80) {
17797: pic[c].prio = (level + 1) & 7;
17798: }
17799: if(data & 0x20) {
17800: pic[c].isr &= ~(1 << level);
17801: }
17802: }
17803: }
17804: pic_update();
17805: }
17806:
17807: UINT8 pic_read(int c, UINT32 addr)
17808: {
17809: if(addr & 1) {
17810: return(pic[c].imr);
17811: } else {
17812: // polling mode is not supported...
17813: //if(pic[c].ocw3 & 4) {
17814: // return ???;
17815: //}
17816: if(pic[c].ocw3 & 1) {
17817: return(pic[c].isr);
17818: } else {
17819: return(pic[c].irr);
17820: }
17821: }
17822: }
17823:
17824: void pic_req(int c, int level, int signal)
17825: {
17826: if(signal) {
17827: pic[c].irr |= (1 << level);
17828: } else {
17829: pic[c].irr &= ~(1 << level);
17830: }
17831: pic_update();
17832: }
17833:
17834: int pic_ack()
17835: {
17836: // ack (INTA=L)
17837: pic[pic_req_chip].isr |= pic_req_bit;
17838: pic[pic_req_chip].irr &= ~pic_req_bit;
17839: if(pic_req_chip > 0) {
17840: // update isr and irr of master
17841: UINT8 slave = 1 << (pic[pic_req_chip].icw3 & 7);
17842: pic[pic_req_chip - 1].isr |= slave;
17843: pic[pic_req_chip - 1].irr &= ~slave;
17844: }
17845: //if(pic[pic_req_chip].icw4 & 1) {
17846: // 8086 mode
17847: int vector = (pic[pic_req_chip].icw2 & 0xf8) | pic_req_level;
17848: //} else {
17849: // // 8080 mode
17850: // UINT16 addr = (UINT16)pic[pic_req_chip].icw2 << 8;
17851: // if(pic[pic_req_chip].icw1 & 4) {
17852: // addr |= (pic[pic_req_chip].icw1 & 0xe0) | (pic_req_level << 2);
17853: // } else {
17854: // addr |= (pic[pic_req_chip].icw1 & 0xc0) | (pic_req_level << 3);
17855: // }
17856: // vector = 0xcd | (addr << 8);
17857: //}
17858: if(pic[pic_req_chip].icw4 & 2) {
17859: // auto eoi
17860: pic[pic_req_chip].isr &= ~pic_req_bit;
17861: }
17862: return(vector);
17863: }
17864:
17865: void pic_update()
17866: {
17867: for(int c = 0; c < 2; c++) {
17868: UINT8 irr = pic[c].irr;
17869: if(c + 1 < 2) {
17870: // this is master
17871: if(pic[c + 1].irr & (~pic[c + 1].imr)) {
17872: // request from slave
17873: irr |= 1 << (pic[c + 1].icw3 & 7);
17874: }
17875: }
17876: irr &= (~pic[c].imr);
17877: if(!irr) {
17878: break;
17879: }
17880: if(!(pic[c].ocw3 & 0x20)) {
17881: irr |= pic[c].isr;
17882: }
17883: int level = pic[c].prio;
17884: UINT8 bit = 1 << level;
17885: while(!(irr & bit)) {
17886: level = (level + 1) & 7;
17887: bit = 1 << level;
17888: }
17889: if((c + 1 < 2) && (pic[c].icw3 & bit)) {
17890: // check slave
17891: continue;
17892: }
17893: if(pic[c].isr & bit) {
17894: break;
17895: }
17896: // interrupt request
17897: pic_req_chip = c;
17898: pic_req_level = level;
17899: pic_req_bit = bit;
1.1.1.3 root 17900: i386_set_irq_line(INPUT_LINE_IRQ, HOLD_LINE);
1.1 root 17901: return;
17902: }
1.1.1.3 root 17903: i386_set_irq_line(INPUT_LINE_IRQ, CLEAR_LINE);
1.1.1.2 root 17904: }
1.1 root 17905:
1.1.1.25 root 17906: // pio
17907:
17908: void pio_init()
17909: {
1.1.1.38 root 17910: // bool conv_mode = (GetConsoleCP() == 932);
17911:
1.1.1.26 root 17912: memset(pio, 0, sizeof(pio));
1.1.1.37 root 17913:
1.1.1.25 root 17914: for(int c = 0; c < 2; c++) {
1.1.1.37 root 17915: pio[c].stat = 0xdf;
1.1.1.25 root 17916: pio[c].ctrl = 0x0c;
1.1.1.38 root 17917: // pio[c].conv_mode = conv_mode;
1.1.1.25 root 17918: }
17919: }
17920:
1.1.1.37 root 17921: void pio_finish()
17922: {
17923: pio_release();
17924: }
17925:
17926: void pio_release()
17927: {
17928: for(int c = 0; c < 2; c++) {
17929: if(pio[c].fp != NULL) {
1.1.1.38 root 17930: if(pio[c].jis_mode) {
17931: fputc(0x1c, pio[c].fp);
17932: fputc(0x2e, pio[c].fp);
17933: }
1.1.1.37 root 17934: fclose(pio[c].fp);
17935: pio[c].fp = NULL;
17936: }
17937: }
17938: }
17939:
1.1.1.25 root 17940: void pio_write(int c, UINT32 addr, UINT8 data)
17941: {
17942: switch(addr & 3) {
17943: case 0:
17944: pio[c].data = data;
17945: break;
17946: case 2:
1.1.1.37 root 17947: if((pio[c].ctrl & 0x01) && !(data & 0x01)) {
17948: // strobe H -> L
17949: if(pio[c].data == 0x0d && (data & 0x02)) {
17950: // auto feed
17951: printer_out(c, 0x0d);
17952: printer_out(c, 0x0a);
17953: } else {
17954: printer_out(c, pio[c].data);
17955: }
17956: pio[c].stat &= ~0x40; // set ack
17957: }
1.1.1.25 root 17958: pio[c].ctrl = data;
17959: break;
17960: }
17961: }
17962:
17963: UINT8 pio_read(int c, UINT32 addr)
17964: {
17965: switch(addr & 3) {
17966: case 0:
1.1.1.37 root 17967: if(pio[c].ctrl & 0x20) {
17968: // input mode
17969: return(0xff);
17970: }
1.1.1.25 root 17971: return(pio[c].data);
17972: case 1:
1.1.1.37 root 17973: {
17974: UINT8 stat = pio[c].stat;
17975: pio[c].stat |= 0x40; // clear ack
17976: return(stat);
17977: }
1.1.1.25 root 17978: case 2:
17979: return(pio[c].ctrl);
17980: }
17981: return(0xff);
17982: }
17983:
1.1.1.37 root 17984: void printer_out(int c, UINT8 data)
17985: {
17986: SYSTEMTIME time;
1.1.1.38 root 17987: bool jis_mode = false;
1.1.1.37 root 17988:
17989: GetLocalTime(&time);
17990:
17991: if(pio[c].fp != NULL) {
17992: // if at least 1000ms passed from last written, close the current file
17993: FILETIME ftime1;
17994: FILETIME ftime2;
17995: SystemTimeToFileTime(&pio[c].time, &ftime1);
17996: SystemTimeToFileTime(&time, &ftime2);
17997: INT64 *time1 = (INT64 *)&ftime1;
17998: INT64 *time2 = (INT64 *)&ftime2;
17999: INT64 msec = (*time2 - *time1) / 10000;
18000:
18001: if(msec >= 1000) {
1.1.1.38 root 18002: if(pio[c].jis_mode) {
18003: fputc(0x1c, pio[c].fp);
18004: fputc(0x2e, pio[c].fp);
18005: jis_mode = true;
18006: }
1.1.1.37 root 18007: fclose(pio[c].fp);
18008: pio[c].fp = NULL;
18009: }
18010: }
18011: if(pio[c].fp == NULL) {
18012: // create a new file in the temp folder
18013: char file_name[MAX_PATH];
18014:
18015: 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);
18016: if(GetTempPath(MAX_PATH, pio[c].path)) {
18017: strcat(pio[c].path, file_name);
18018: } else {
18019: strcpy(pio[c].path, file_name);
18020: }
1.1.1.38 root 18021: pio[c].fp = fopen(pio[c].path, "w+b");
1.1.1.37 root 18022: }
18023: if(pio[c].fp != NULL) {
1.1.1.38 root 18024: if(jis_mode) {
18025: fputc(0x1c, pio[c].fp);
18026: fputc(0x26, pio[c].fp);
18027: }
1.1.1.37 root 18028: fputc(data, pio[c].fp);
1.1.1.38 root 18029:
18030: // reopen file if 1ch 26h 1ch 2eh (kanji-on kanji-off) are written at the top
18031: if(data == 0x2e && ftell(pio[c].fp) == 4) {
18032: UINT8 buffer[4];
18033: fseek(pio[c].fp, 0, SEEK_SET);
18034: fread(buffer, 4, 1, pio[c].fp);
18035: if(buffer[0] == 0x1c && buffer[1] == 0x26 && buffer[2] == 0x1c/* && buffer[3] == 0x2e*/) {
18036: fclose(pio[c].fp);
18037: pio[c].fp = fopen(pio[c].path, "w+b");
18038: }
18039: }
1.1.1.37 root 18040: pio[c].time = time;
18041: }
18042: }
18043:
1.1 root 18044: // pit
18045:
1.1.1.22 root 18046: #define PIT_FREQ 1193182ULL
1.1 root 18047: #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)
18048:
18049: void pit_init()
18050: {
1.1.1.8 root 18051: memset(pit, 0, sizeof(pit));
1.1 root 18052: for(int ch = 0; ch < 3; ch++) {
18053: pit[ch].count = 0x10000;
18054: pit[ch].ctrl_reg = 0x34;
18055: pit[ch].mode = 3;
18056: }
18057:
18058: // from bochs bios
18059: pit_write(3, 0x34);
18060: pit_write(0, 0x00);
18061: pit_write(0, 0x00);
18062: }
18063:
18064: void pit_write(int ch, UINT8 val)
18065: {
1.1.1.8 root 18066: #ifndef PIT_ALWAYS_RUNNING
1.1 root 18067: if(!pit_active) {
18068: pit_active = 1;
18069: pit_init();
18070: }
1.1.1.8 root 18071: #endif
1.1 root 18072: switch(ch) {
18073: case 0:
18074: case 1:
18075: case 2:
18076: // write count register
18077: if(!pit[ch].low_write && !pit[ch].high_write) {
18078: if(pit[ch].ctrl_reg & 0x10) {
18079: pit[ch].low_write = 1;
18080: }
18081: if(pit[ch].ctrl_reg & 0x20) {
18082: pit[ch].high_write = 1;
18083: }
18084: }
18085: if(pit[ch].low_write) {
18086: pit[ch].count_reg = val;
18087: pit[ch].low_write = 0;
18088: } else if(pit[ch].high_write) {
18089: if((pit[ch].ctrl_reg & 0x30) == 0x20) {
18090: pit[ch].count_reg = val << 8;
18091: } else {
18092: pit[ch].count_reg |= val << 8;
18093: }
18094: pit[ch].high_write = 0;
18095: }
18096: // start count
1.1.1.8 root 18097: if(!pit[ch].low_write && !pit[ch].high_write) {
18098: if(pit[ch].mode == 0 || pit[ch].mode == 4 || pit[ch].prev_time == 0) {
18099: pit[ch].count = PIT_COUNT_VALUE(ch);
18100: pit[ch].prev_time = timeGetTime();
18101: pit[ch].expired_time = pit[ch].prev_time + pit_get_expired_time(ch);
1.1 root 18102: }
18103: }
18104: break;
18105: case 3: // ctrl reg
18106: if((val & 0xc0) == 0xc0) {
18107: // i8254 read-back command
18108: for(ch = 0; ch < 3; ch++) {
18109: if(!(val & 0x10) && !pit[ch].status_latched) {
18110: pit[ch].status = pit[ch].ctrl_reg & 0x3f;
18111: pit[ch].status_latched = 1;
18112: }
18113: if(!(val & 0x20) && !pit[ch].count_latched) {
18114: pit_latch_count(ch);
18115: }
18116: }
18117: break;
18118: }
18119: ch = (val >> 6) & 3;
18120: if(val & 0x30) {
1.1.1.35 root 18121: static const int modes[8] = {0, 1, 2, 3, 4, 5, 2, 3};
1.1 root 18122: pit[ch].mode = modes[(val >> 1) & 7];
18123: pit[ch].count_latched = 0;
18124: pit[ch].low_read = pit[ch].high_read = 0;
18125: pit[ch].low_write = pit[ch].high_write = 0;
18126: pit[ch].ctrl_reg = val;
18127: // stop count
1.1.1.8 root 18128: pit[ch].prev_time = pit[ch].expired_time = 0;
1.1 root 18129: pit[ch].count_reg = 0;
18130: } else if(!pit[ch].count_latched) {
18131: pit_latch_count(ch);
18132: }
18133: break;
18134: }
18135: }
18136:
18137: UINT8 pit_read(int ch)
18138: {
1.1.1.8 root 18139: #ifndef PIT_ALWAYS_RUNNING
1.1 root 18140: if(!pit_active) {
18141: pit_active = 1;
18142: pit_init();
18143: }
1.1.1.8 root 18144: #endif
1.1 root 18145: switch(ch) {
18146: case 0:
18147: case 1:
18148: case 2:
18149: if(pit[ch].status_latched) {
18150: pit[ch].status_latched = 0;
18151: return(pit[ch].status);
18152: }
18153: // if not latched, through current count
18154: if(!pit[ch].count_latched) {
18155: if(!pit[ch].low_read && !pit[ch].high_read) {
18156: pit_latch_count(ch);
18157: }
18158: }
18159: // return latched count
18160: if(pit[ch].low_read) {
18161: pit[ch].low_read = 0;
18162: if(!pit[ch].high_read) {
18163: pit[ch].count_latched = 0;
18164: }
18165: return(pit[ch].latch & 0xff);
18166: } else if(pit[ch].high_read) {
18167: pit[ch].high_read = 0;
18168: pit[ch].count_latched = 0;
18169: return((pit[ch].latch >> 8) & 0xff);
18170: }
18171: }
18172: return(0xff);
18173: }
18174:
1.1.1.8 root 18175: int pit_run(int ch, UINT32 cur_time)
1.1 root 18176: {
1.1.1.8 root 18177: if(pit[ch].expired_time != 0 && cur_time >= pit[ch].expired_time) {
1.1 root 18178: pit[ch].count = PIT_COUNT_VALUE(ch);
1.1.1.8 root 18179: pit[ch].prev_time = pit[ch].expired_time;
18180: pit[ch].expired_time = pit[ch].prev_time + pit_get_expired_time(ch);
18181: if(cur_time >= pit[ch].expired_time) {
18182: pit[ch].prev_time = cur_time;
18183: pit[ch].expired_time = pit[ch].prev_time + pit_get_expired_time(ch);
1.1 root 18184: }
1.1.1.8 root 18185: return(1);
1.1 root 18186: }
1.1.1.8 root 18187: return(0);
1.1 root 18188: }
18189:
18190: void pit_latch_count(int ch)
18191: {
1.1.1.8 root 18192: if(pit[ch].expired_time != 0) {
1.1.1.26 root 18193: UINT32 cur_time = timeGetTime();
1.1.1.8 root 18194: pit_run(ch, cur_time);
18195: UINT32 tmp = (pit[ch].count * (pit[ch].expired_time - cur_time)) / (pit[ch].expired_time - pit[ch].prev_time);
1.1.1.26 root 18196: UINT16 latch = (tmp != 0) ? (UINT16)tmp : 1;
18197:
18198: if(pit[ch].prev_latch == latch && pit[ch].expired_time > cur_time) {
18199: // decrement counter in 1msec period
18200: if(pit[ch].next_latch == 0) {
18201: tmp = (pit[ch].count * (pit[ch].expired_time - cur_time - 1)) / (pit[ch].expired_time - pit[ch].prev_time);
18202: pit[ch].next_latch = (tmp != 0) ? (UINT16)tmp : 1;
18203: }
18204: if(pit[ch].latch > pit[ch].next_latch) {
18205: pit[ch].latch--;
18206: }
18207: } else {
18208: pit[ch].prev_latch = pit[ch].latch = latch;
18209: pit[ch].next_latch = 0;
18210: }
1.1.1.8 root 18211: } else {
18212: pit[ch].latch = (UINT16)pit[ch].count;
1.1.1.26 root 18213: pit[ch].prev_latch = pit[ch].next_latch = 0;
1.1 root 18214: }
18215: pit[ch].count_latched = 1;
18216: if((pit[ch].ctrl_reg & 0x30) == 0x10) {
18217: // lower byte
18218: pit[ch].low_read = 1;
18219: pit[ch].high_read = 0;
18220: } else if((pit[ch].ctrl_reg & 0x30) == 0x20) {
18221: // upper byte
18222: pit[ch].low_read = 0;
18223: pit[ch].high_read = 1;
18224: } else {
18225: // lower -> upper
1.1.1.14 root 18226: pit[ch].low_read = pit[ch].high_read = 1;
1.1 root 18227: }
18228: }
18229:
1.1.1.8 root 18230: int pit_get_expired_time(int ch)
1.1 root 18231: {
1.1.1.22 root 18232: pit[ch].accum += 1024ULL * 1000ULL * (UINT64)pit[ch].count / PIT_FREQ;
18233: UINT64 val = pit[ch].accum >> 10;
18234: pit[ch].accum -= val << 10;
18235: return((val != 0) ? val : 1);
1.1.1.8 root 18236: }
18237:
1.1.1.25 root 18238: // sio
18239:
18240: void sio_init()
18241: {
1.1.1.26 root 18242: memset(sio, 0, sizeof(sio));
18243: memset(sio_mt, 0, sizeof(sio_mt));
18244:
1.1.1.29 root 18245: for(int c = 0; c < 4; c++) {
1.1.1.25 root 18246: sio[c].send_buffer = new FIFO(SIO_BUFFER_SIZE);
18247: sio[c].recv_buffer = new FIFO(SIO_BUFFER_SIZE);
18248:
18249: sio[c].divisor.w = 12; // 115200Hz / 9600Baud
18250: sio[c].line_ctrl = 0x03; // 8bit, stop 1bit, non parity
1.1.1.26 root 18251: sio[c].modem_ctrl = 0x03; // rts=on, dtr=on
18252: sio[c].set_rts = sio[c].set_dtr = true;
1.1.1.25 root 18253: sio[c].line_stat_buf = 0x60; // send/recv buffers are empty
18254: sio[c].irq_identify = 0x01; // no pending irq
18255:
18256: InitializeCriticalSection(&sio_mt[c].csSendData);
18257: InitializeCriticalSection(&sio_mt[c].csRecvData);
18258: InitializeCriticalSection(&sio_mt[c].csLineCtrl);
18259: InitializeCriticalSection(&sio_mt[c].csLineStat);
18260: InitializeCriticalSection(&sio_mt[c].csModemCtrl);
18261: InitializeCriticalSection(&sio_mt[c].csModemStat);
18262:
1.1.1.26 root 18263: if(sio_port_number[c] != 0) {
1.1.1.25 root 18264: sio[c].channel = c;
18265: sio_mt[c].hThread = CreateThread(NULL, 0, sio_thread, &sio[c], 0, NULL);
18266: }
18267: }
18268: }
18269:
18270: void sio_finish()
18271: {
1.1.1.29 root 18272: for(int c = 0; c < 4; c++) {
1.1.1.25 root 18273: if(sio_mt[c].hThread != NULL) {
18274: WaitForSingleObject(sio_mt[c].hThread, INFINITE);
18275: CloseHandle(sio_mt[c].hThread);
1.1.1.28 root 18276: sio_mt[c].hThread = NULL;
1.1.1.25 root 18277: }
18278: DeleteCriticalSection(&sio_mt[c].csSendData);
18279: DeleteCriticalSection(&sio_mt[c].csRecvData);
18280: DeleteCriticalSection(&sio_mt[c].csLineCtrl);
18281: DeleteCriticalSection(&sio_mt[c].csLineStat);
18282: DeleteCriticalSection(&sio_mt[c].csModemCtrl);
18283: DeleteCriticalSection(&sio_mt[c].csModemStat);
1.1.1.28 root 18284: }
18285: sio_release();
18286: }
18287:
18288: void sio_release()
18289: {
1.1.1.29 root 18290: for(int c = 0; c < 4; c++) {
1.1.1.28 root 18291: // sio_thread() may access the resources :-(
1.1.1.32 root 18292: bool running = (sio_mt[c].hThread != NULL);
18293:
18294: if(running) {
18295: EnterCriticalSection(&sio_mt[c].csSendData);
18296: }
18297: if(sio[c].send_buffer != NULL) {
18298: sio[c].send_buffer->release();
18299: delete sio[c].send_buffer;
18300: sio[c].send_buffer = NULL;
18301: }
18302: if(running) {
18303: LeaveCriticalSection(&sio_mt[c].csSendData);
18304: EnterCriticalSection(&sio_mt[c].csRecvData);
18305: }
18306: if(sio[c].recv_buffer != NULL) {
18307: sio[c].recv_buffer->release();
18308: delete sio[c].recv_buffer;
18309: sio[c].recv_buffer = NULL;
18310: }
18311: if(running) {
18312: LeaveCriticalSection(&sio_mt[c].csRecvData);
1.1.1.28 root 18313: }
1.1.1.25 root 18314: }
18315: }
18316:
18317: void sio_write(int c, UINT32 addr, UINT8 data)
18318: {
18319: switch(addr & 7) {
18320: case 0:
18321: if(sio[c].selector & 0x80) {
18322: if(sio[c].divisor.b.l != data) {
18323: EnterCriticalSection(&sio_mt[c].csLineCtrl);
18324: sio[c].divisor.b.l = data;
18325: LeaveCriticalSection(&sio_mt[c].csLineCtrl);
18326: }
18327: } else {
18328: EnterCriticalSection(&sio_mt[c].csSendData);
1.1.1.32 root 18329: if(sio[c].send_buffer != NULL) {
18330: sio[c].send_buffer->write(data);
18331: }
1.1.1.25 root 18332: // transmitter holding/shift registers are not empty
18333: sio[c].line_stat_buf &= ~0x60;
18334: LeaveCriticalSection(&sio_mt[c].csSendData);
18335:
18336: if(sio[c].irq_enable & 0x02) {
18337: sio_update_irq(c);
18338: }
18339: }
18340: break;
18341: case 1:
18342: if(sio[c].selector & 0x80) {
18343: if(sio[c].divisor.b.h != data) {
18344: EnterCriticalSection(&sio_mt[c].csLineCtrl);
18345: sio[c].divisor.b.h = data;
18346: LeaveCriticalSection(&sio_mt[c].csLineCtrl);
18347: }
18348: } else {
18349: if(sio[c].irq_enable != data) {
18350: sio[c].irq_enable = data;
18351: sio_update_irq(c);
18352: }
18353: }
18354: break;
18355: case 3:
18356: {
18357: UINT8 line_ctrl = data & 0x3f;
18358: bool set_brk = ((data & 0x40) != 0);
18359:
18360: if(sio[c].line_ctrl != line_ctrl) {
18361: EnterCriticalSection(&sio_mt[c].csLineCtrl);
18362: sio[c].line_ctrl = line_ctrl;
18363: LeaveCriticalSection(&sio_mt[c].csLineCtrl);
18364: }
18365: if(sio[c].set_brk != set_brk) {
18366: EnterCriticalSection(&sio_mt[c].csModemCtrl);
18367: sio[c].set_brk = set_brk;
18368: LeaveCriticalSection(&sio_mt[c].csModemCtrl);
18369: }
18370: }
18371: sio[c].selector = data;
18372: break;
18373: case 4:
18374: {
18375: bool set_dtr = ((data & 0x01) != 0);
18376: bool set_rts = ((data & 0x02) != 0);
18377:
18378: if(sio[c].set_dtr != set_dtr || sio[c].set_rts != set_rts) {
1.1.1.26 root 18379: // EnterCriticalSection(&sio_mt[c].csModemCtrl);
1.1.1.25 root 18380: sio[c].set_dtr = set_dtr;
18381: sio[c].set_rts = set_rts;
1.1.1.26 root 18382: // LeaveCriticalSection(&sio_mt[c].csModemCtrl);
18383:
18384: bool state_changed = false;
18385:
18386: EnterCriticalSection(&sio_mt[c].csModemStat);
18387: if(set_dtr) {
18388: sio[c].modem_stat |= 0x20; // dsr on
18389: } else {
18390: sio[c].modem_stat &= ~0x20; // dsr off
18391: }
18392: if(set_rts) {
18393: sio[c].modem_stat |= 0x10; // cts on
18394: } else {
18395: sio[c].modem_stat &= ~0x10; // cts off
18396: }
18397: if((sio[c].prev_modem_stat & 0x20) != (sio[c].modem_stat & 0x20)) {
18398: if(!(sio[c].modem_stat & 0x02)) {
18399: if(sio[c].irq_enable & 0x08) {
18400: state_changed = true;
18401: }
18402: sio[c].modem_stat |= 0x02;
18403: }
18404: }
18405: if((sio[c].prev_modem_stat & 0x10) != (sio[c].modem_stat & 0x10)) {
18406: if(!(sio[c].modem_stat & 0x01)) {
18407: if(sio[c].irq_enable & 0x08) {
18408: state_changed = true;
18409: }
18410: sio[c].modem_stat |= 0x01;
18411: }
18412: }
18413: LeaveCriticalSection(&sio_mt[c].csModemStat);
18414:
18415: if(state_changed) {
18416: sio_update_irq(c);
18417: }
1.1.1.25 root 18418: }
18419: }
18420: sio[c].modem_ctrl = data;
18421: break;
18422: case 7:
18423: sio[c].scratch = data;
18424: break;
18425: }
18426: }
18427:
18428: UINT8 sio_read(int c, UINT32 addr)
18429: {
18430: switch(addr & 7) {
18431: case 0:
18432: if(sio[c].selector & 0x80) {
18433: return(sio[c].divisor.b.l);
18434: } else {
18435: EnterCriticalSection(&sio_mt[c].csRecvData);
1.1.1.32 root 18436: UINT8 data = 0;
18437: if(sio[c].recv_buffer != NULL) {
18438: data = sio[c].recv_buffer->read();
18439: }
1.1.1.25 root 18440: // data is not ready
18441: sio[c].line_stat_buf &= ~0x01;
18442: LeaveCriticalSection(&sio_mt[c].csRecvData);
18443:
18444: if(sio[c].irq_enable & 0x01) {
18445: sio_update_irq(c);
18446: }
18447: return(data);
18448: }
18449: case 1:
18450: if(sio[c].selector & 0x80) {
18451: return(sio[c].divisor.b.h);
18452: } else {
18453: return(sio[c].irq_enable);
18454: }
18455: case 2:
18456: return(sio[c].irq_identify);
18457: case 3:
18458: return(sio[c].selector);
18459: case 4:
18460: return(sio[c].modem_ctrl);
18461: case 5:
18462: {
18463: EnterCriticalSection(&sio_mt[c].csLineStat);
18464: UINT8 val = sio[c].line_stat_err | sio[c].line_stat_buf;
18465: sio[c].line_stat_err = 0x00;
18466: LeaveCriticalSection(&sio_mt[c].csLineStat);
18467:
18468: bool state_changed = false;
18469:
18470: if((sio[c].line_stat_buf & 0x60) == 0x00) {
18471: EnterCriticalSection(&sio_mt[c].csSendData);
1.1.1.32 root 18472: if(sio[c].send_buffer != NULL && !sio[c].send_buffer->full()) {
1.1.1.25 root 18473: // transmitter holding register will be empty first
18474: if(sio[c].irq_enable & 0x02) {
18475: state_changed = true;
18476: }
18477: sio[c].line_stat_buf |= 0x20;
18478: }
18479: LeaveCriticalSection(&sio_mt[c].csSendData);
18480: } else if((sio[c].line_stat_buf & 0x60) == 0x20) {
18481: // transmitter shift register will be empty later
18482: sio[c].line_stat_buf |= 0x40;
18483: }
18484: if(!(sio[c].line_stat_buf & 0x01)) {
18485: EnterCriticalSection(&sio_mt[c].csRecvData);
1.1.1.32 root 18486: if(sio[c].recv_buffer != NULL && !sio[c].recv_buffer->empty()) {
1.1.1.25 root 18487: // data is ready
18488: if(sio[c].irq_enable & 0x01) {
18489: state_changed = true;
18490: }
18491: sio[c].line_stat_buf |= 0x01;
18492: }
18493: LeaveCriticalSection(&sio_mt[c].csRecvData);
18494: }
18495: if(state_changed) {
18496: sio_update_irq(c);
18497: }
18498: return(val);
18499: }
18500: case 6:
18501: {
18502: EnterCriticalSection(&sio_mt[c].csModemStat);
18503: UINT8 val = sio[c].modem_stat;
18504: sio[c].modem_stat &= 0xf0;
18505: sio[c].prev_modem_stat = sio[c].modem_stat;
18506: LeaveCriticalSection(&sio_mt[c].csModemStat);
18507:
18508: if(sio[c].modem_ctrl & 0x10) {
18509: // loop-back
18510: val &= 0x0f;
18511: val |= (sio[c].modem_ctrl & 0x0c) << 4;
18512: val |= (sio[c].modem_ctrl & 0x01) << 5;
18513: val |= (sio[c].modem_ctrl & 0x02) << 3;
18514: }
18515: return(val);
18516: }
18517: case 7:
18518: return(sio[c].scratch);
18519: }
18520: return(0xff);
18521: }
18522:
18523: void sio_update(int c)
18524: {
18525: if((sio[c].line_stat_buf & 0x60) == 0x00) {
18526: EnterCriticalSection(&sio_mt[c].csSendData);
1.1.1.32 root 18527: if(sio[c].send_buffer != NULL && !sio[c].send_buffer->full()) {
1.1.1.25 root 18528: // transmitter holding/shift registers will be empty
18529: sio[c].line_stat_buf |= 0x60;
18530: }
18531: LeaveCriticalSection(&sio_mt[c].csSendData);
18532: } else if((sio[c].line_stat_buf & 0x60) == 0x20) {
18533: // transmitter shift register will be empty
18534: sio[c].line_stat_buf |= 0x40;
18535: }
18536: if(!(sio[c].line_stat_buf & 0x01)) {
18537: EnterCriticalSection(&sio_mt[c].csRecvData);
1.1.1.32 root 18538: if(sio[c].recv_buffer != NULL && !sio[c].recv_buffer->empty()) {
1.1.1.25 root 18539: // data is ready
18540: sio[c].line_stat_buf |= 0x01;
18541: }
18542: LeaveCriticalSection(&sio_mt[c].csRecvData);
18543: }
18544: sio_update_irq(c);
18545: }
18546:
18547: void sio_update_irq(int c)
18548: {
18549: int level = -1;
18550:
18551: if(sio[c].irq_enable & 0x08) {
18552: EnterCriticalSection(&sio_mt[c].csModemStat);
18553: if((sio[c].modem_stat & 0x0f) != 0) {
18554: level = 0;
18555: }
18556: EnterCriticalSection(&sio_mt[c].csModemStat);
18557: }
18558: if(sio[c].irq_enable & 0x02) {
18559: if(sio[c].line_stat_buf & 0x20) {
18560: level = 1;
18561: }
18562: }
18563: if(sio[c].irq_enable & 0x01) {
18564: if(sio[c].line_stat_buf & 0x01) {
18565: level = 2;
18566: }
18567: }
18568: if(sio[c].irq_enable & 0x04) {
18569: EnterCriticalSection(&sio_mt[c].csLineStat);
18570: if(sio[c].line_stat_err != 0) {
18571: level = 3;
18572: }
18573: LeaveCriticalSection(&sio_mt[c].csLineStat);
18574: }
1.1.1.29 root 18575:
18576: // COM1 and COM3 shares IRQ4, COM2 and COM4 shares IRQ3
1.1.1.25 root 18577: if(level != -1) {
18578: sio[c].irq_identify = level << 1;
1.1.1.29 root 18579: pic_req(0, (c == 0 || c == 2) ? 4 : 3, 1);
1.1.1.25 root 18580: } else {
18581: sio[c].irq_identify = 1;
1.1.1.29 root 18582: pic_req(0, (c == 0 || c == 2) ? 4 : 3, 0);
1.1.1.25 root 18583: }
18584: }
18585:
18586: DWORD WINAPI sio_thread(void *lpx)
18587: {
18588: volatile sio_t *p = (sio_t *)lpx;
18589: sio_mt_t *q = &sio_mt[p->channel];
18590:
18591: char name[] = "COM1";
1.1.1.26 root 18592: name[3] = '0' + sio_port_number[p->channel];
18593: HANDLE hComm = NULL;
18594: COMMPROP commProp;
18595: DCB dcb;
18596: DWORD dwSettableBaud = 0xffb; // 75, 110, 150, 300, 600, 1200, 1800, 2400, 4800, 7200, and 9600bps
18597: BYTE bytBuffer[SIO_BUFFER_SIZE];
18598:
18599: if((hComm = CreateFile(name, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL)) != INVALID_HANDLE_VALUE) {
18600: if(GetCommProperties(hComm, &commProp)) {
18601: dwSettableBaud = commProp.dwSettableBaud;
18602: }
1.1.1.25 root 18603: EscapeCommFunction(hComm, CLRBREAK);
1.1.1.26 root 18604: // EscapeCommFunction(hComm, SETRTS);
18605: // EscapeCommFunction(hComm, SETDTR);
1.1.1.25 root 18606:
18607: while(!m_halted) {
18608: // setup comm port
18609: bool comm_state_changed = false;
18610:
18611: EnterCriticalSection(&q->csLineCtrl);
18612: if((p->prev_divisor != p->divisor.w || p->prev_line_ctrl != p->line_ctrl) && p->divisor.w != 0) {
18613: p->prev_divisor = p->divisor.w;
18614: p->prev_line_ctrl = p->line_ctrl;
18615: comm_state_changed = true;
18616: }
18617: LeaveCriticalSection(&q->csLineCtrl);
18618:
18619: if(comm_state_changed) {
1.1.1.26 root 18620: if(GetCommState(hComm, &dcb)) {
18621: // dcb.BaudRate = min(9600, 115200 / p->prev_divisor);
18622: DWORD baud = 115200 / p->prev_divisor;
18623: dcb.BaudRate = 9600; // default
18624:
18625: if((dwSettableBaud & BAUD_075 ) && baud >= 75 ) dcb.BaudRate = 75;
18626: if((dwSettableBaud & BAUD_110 ) && baud >= 110 ) dcb.BaudRate = 110;
18627: // 134.5bps is not supported ???
18628: // if((dwSettableBaud & BAUD_134_5) && baud >= 134.5) dcb.BaudRate = 134.5;
18629: if((dwSettableBaud & BAUD_150 ) && baud >= 150 ) dcb.BaudRate = 150;
18630: if((dwSettableBaud & BAUD_300 ) && baud >= 300 ) dcb.BaudRate = 300;
18631: if((dwSettableBaud & BAUD_600 ) && baud >= 600 ) dcb.BaudRate = 600;
18632: if((dwSettableBaud & BAUD_1200 ) && baud >= 1200 ) dcb.BaudRate = 1200;
18633: if((dwSettableBaud & BAUD_1800 ) && baud >= 1800 ) dcb.BaudRate = 1800;
18634: if((dwSettableBaud & BAUD_2400 ) && baud >= 2400 ) dcb.BaudRate = 2400;
18635: if((dwSettableBaud & BAUD_4800 ) && baud >= 4800 ) dcb.BaudRate = 4800;
18636: if((dwSettableBaud & BAUD_7200 ) && baud >= 7200 ) dcb.BaudRate = 7200;
18637: if((dwSettableBaud & BAUD_9600 ) && baud >= 9600 ) dcb.BaudRate = 9600;
18638: // if((dwSettableBaud & BAUD_14400) && baud >= 14400) dcb.BaudRate = 14400;
18639: // if((dwSettableBaud & BAUD_19200) && baud >= 19200) dcb.BaudRate = 19200;
18640: // if((dwSettableBaud & BAUD_38400) && baud >= 38400) dcb.BaudRate = 38400;
18641:
18642: switch(p->prev_line_ctrl & 0x03) {
18643: case 0x00: dcb.ByteSize = 5; break;
18644: case 0x01: dcb.ByteSize = 6; break;
18645: case 0x02: dcb.ByteSize = 7; break;
18646: case 0x03: dcb.ByteSize = 8; break;
18647: }
18648: switch(p->prev_line_ctrl & 0x04) {
18649: case 0x00: dcb.StopBits = ONESTOPBIT; break;
18650: case 0x04: dcb.StopBits = (dcb.ByteSize == 5) ? ONE5STOPBITS : TWOSTOPBITS; break;
18651: }
18652: switch(p->prev_line_ctrl & 0x38) {
18653: case 0x08: dcb.Parity = ODDPARITY; break;
18654: case 0x18: dcb.Parity = EVENPARITY; break;
18655: case 0x28: dcb.Parity = MARKPARITY; break;
18656: case 0x38: dcb.Parity = SPACEPARITY; break;
18657: default: dcb.Parity = NOPARITY; break;
18658: }
18659: dcb.fBinary = TRUE;
18660: dcb.fParity = (dcb.Parity != NOPARITY);
18661: dcb.fOutxCtsFlow = dcb.fOutxDsrFlow = TRUE;
18662: dcb.fDtrControl = DTR_CONTROL_HANDSHAKE;
18663: dcb.fDsrSensitivity = FALSE;//TRUE;
18664: dcb.fTXContinueOnXoff = TRUE;
18665: dcb.fOutX = dcb.fInX = FALSE;
18666: dcb.fErrorChar = FALSE;
18667: dcb.fNull = FALSE;
18668: dcb.fRtsControl = RTS_CONTROL_HANDSHAKE;
18669: dcb.fAbortOnError = FALSE;
18670:
18671: SetCommState(hComm, &dcb);
1.1.1.25 root 18672: }
18673:
18674: // check again to apply all comm state changes
18675: Sleep(10);
18676: continue;
18677: }
18678:
18679: // set comm pins
18680: bool change_brk = false;
1.1.1.26 root 18681: // bool change_rts = false;
18682: // bool change_dtr = false;
1.1.1.25 root 18683:
18684: EnterCriticalSection(&q->csModemCtrl);
18685: if(p->prev_set_brk != p->set_brk) {
18686: p->prev_set_brk = p->set_brk;
18687: change_brk = true;
18688: }
1.1.1.26 root 18689: // if(p->prev_set_rts != p->set_rts) {
18690: // p->prev_set_rts = p->set_rts;
18691: // change_rts = true;
18692: // }
18693: // if(p->prev_set_dtr != p->set_dtr) {
18694: // p->prev_set_dtr = p->set_dtr;
18695: // change_dtr = true;
18696: // }
1.1.1.25 root 18697: LeaveCriticalSection(&q->csModemCtrl);
18698:
18699: if(change_brk) {
1.1.1.26 root 18700: static UINT32 clear_time = 0;
18701: if(p->prev_set_brk) {
18702: EscapeCommFunction(hComm, SETBREAK);
18703: clear_time = timeGetTime() + 200;
18704: } else {
18705: // keep break for at least 200msec
18706: UINT32 cur_time = timeGetTime();
18707: if(clear_time > cur_time) {
18708: Sleep(clear_time - cur_time);
18709: }
18710: EscapeCommFunction(hComm, CLRBREAK);
18711: }
1.1.1.25 root 18712: }
1.1.1.26 root 18713: // if(change_rts) {
18714: // if(p->prev_set_rts) {
18715: // EscapeCommFunction(hComm, SETRTS);
18716: // } else {
18717: // EscapeCommFunction(hComm, CLRRTS);
18718: // }
18719: // }
18720: // if(change_dtr) {
18721: // if(p->prev_set_dtr) {
18722: // EscapeCommFunction(hComm, SETDTR);
18723: // } else {
18724: // EscapeCommFunction(hComm, CLRDTR);
18725: // }
18726: // }
1.1.1.25 root 18727:
18728: // get comm pins
18729: DWORD dwModemStat = 0;
18730:
18731: if(GetCommModemStatus(hComm, &dwModemStat)) {
18732: EnterCriticalSection(&q->csModemStat);
18733: if(dwModemStat & MS_RLSD_ON) {
18734: p->modem_stat |= 0x80;
18735: } else {
18736: p->modem_stat &= ~0x80;
18737: }
18738: if(dwModemStat & MS_RING_ON) {
18739: p->modem_stat |= 0x40;
18740: } else {
18741: p->modem_stat &= ~0x40;
18742: }
1.1.1.26 root 18743: // if(dwModemStat & MS_DSR_ON) {
18744: // p->modem_stat |= 0x20;
18745: // } else {
18746: // p->modem_stat &= ~0x20;
18747: // }
18748: // if(dwModemStat & MS_CTS_ON) {
18749: // p->modem_stat |= 0x10;
18750: // } else {
18751: // p->modem_stat &= ~0x10;
18752: // }
1.1.1.25 root 18753: if((p->prev_modem_stat & 0x80) != (p->modem_stat & 0x80)) {
18754: p->modem_stat |= 0x08;
18755: }
18756: if((p->prev_modem_stat & 0x40) && !(p->modem_stat & 0x40)) {
18757: p->modem_stat |= 0x04;
18758: }
1.1.1.26 root 18759: // if((p->prev_modem_stat & 0x20) != (p->modem_stat & 0x20)) {
18760: // p->modem_stat |= 0x02;
18761: // }
18762: // if((p->prev_modem_stat & 0x10) != (p->modem_stat & 0x10)) {
18763: // p->modem_stat |= 0x01;
18764: // }
1.1.1.25 root 18765: LeaveCriticalSection(&q->csModemStat);
18766: }
18767:
18768: // send data
18769: DWORD dwSend = 0;
18770:
18771: EnterCriticalSection(&q->csSendData);
1.1.1.32 root 18772: while(p->send_buffer != NULL && !p->send_buffer->empty()) {
1.1.1.25 root 18773: bytBuffer[dwSend++] = p->send_buffer->read();
18774: }
18775: LeaveCriticalSection(&q->csSendData);
18776:
18777: if(dwSend != 0) {
18778: DWORD dwWritten = 0;
18779: WriteFile(hComm, bytBuffer, dwSend, &dwWritten, NULL);
18780: }
18781:
18782: // get line status and recv data
18783: DWORD dwLineStat = 0;
18784: COMSTAT comStat;
18785:
18786: if(ClearCommError(hComm, &dwLineStat, &comStat)) {
18787: EnterCriticalSection(&q->csLineStat);
18788: if(dwLineStat & CE_BREAK) {
18789: p->line_stat_err |= 0x10;
18790: }
18791: if(dwLineStat & CE_FRAME) {
18792: p->line_stat_err |= 0x08;
18793: }
18794: if(dwLineStat & CE_RXPARITY) {
18795: p->line_stat_err |= 0x04;
18796: }
18797: if(dwLineStat & CE_OVERRUN) {
18798: p->line_stat_err |= 0x02;
18799: }
18800: LeaveCriticalSection(&q->csLineStat);
18801:
18802: if(comStat.cbInQue != 0) {
18803: EnterCriticalSection(&q->csRecvData);
1.1.1.32 root 18804: DWORD dwRecv = 0;
18805: if(p->recv_buffer != NULL) {
18806: dwRecv = min(comStat.cbInQue, p->recv_buffer->remain());
18807: }
1.1.1.25 root 18808: LeaveCriticalSection(&q->csRecvData);
18809:
18810: if(dwRecv != 0) {
18811: DWORD dwRead = 0;
18812: if(ReadFile(hComm, bytBuffer, dwRecv, &dwRead, NULL) && dwRead != 0) {
18813: EnterCriticalSection(&q->csRecvData);
1.1.1.32 root 18814: if(p->recv_buffer != NULL) {
18815: for(int i = 0; i < dwRead; i++) {
18816: p->recv_buffer->write(bytBuffer[i]);
18817: }
1.1.1.25 root 18818: }
18819: LeaveCriticalSection(&q->csRecvData);
18820: }
18821: }
18822: }
18823: }
18824: Sleep(10);
18825: }
18826: CloseHandle(hComm);
18827: }
18828: return 0;
18829: }
18830:
1.1.1.8 root 18831: // cmos
18832:
18833: void cmos_init()
18834: {
18835: memset(cmos, 0, sizeof(cmos));
18836: cmos_addr = 0;
1.1 root 18837:
1.1.1.8 root 18838: // from DOSBox
18839: cmos_write(0x0a, 0x26);
18840: cmos_write(0x0b, 0x02);
18841: cmos_write(0x0d, 0x80);
1.1 root 18842: }
18843:
1.1.1.8 root 18844: void cmos_write(int addr, UINT8 val)
1.1 root 18845: {
1.1.1.8 root 18846: cmos[addr & 0x7f] = val;
18847: }
18848:
18849: #define CMOS_GET_TIME() { \
18850: UINT32 cur_sec = timeGetTime() / 1000 ; \
18851: if(prev_sec != cur_sec) { \
18852: GetLocalTime(&time); \
18853: prev_sec = cur_sec; \
18854: } \
1.1 root 18855: }
1.1.1.8 root 18856: #define CMOS_BCD(v) ((cmos[0x0b] & 4) ? (v) : to_bcd(v))
1.1 root 18857:
1.1.1.8 root 18858: UINT8 cmos_read(int addr)
1.1 root 18859: {
1.1.1.8 root 18860: static SYSTEMTIME time;
18861: static UINT32 prev_sec = 0;
1.1 root 18862:
1.1.1.8 root 18863: switch(addr & 0x7f) {
18864: case 0x00: CMOS_GET_TIME(); return(CMOS_BCD(time.wSecond));
18865: case 0x02: CMOS_GET_TIME(); return(CMOS_BCD(time.wMinute));
18866: case 0x04: CMOS_GET_TIME(); return(CMOS_BCD(time.wHour));
18867: case 0x06: CMOS_GET_TIME(); return(time.wDayOfWeek + 1);
18868: case 0x07: CMOS_GET_TIME(); return(CMOS_BCD(time.wDay));
18869: case 0x08: CMOS_GET_TIME(); return(CMOS_BCD(time.wMonth));
18870: case 0x09: CMOS_GET_TIME(); return(CMOS_BCD(time.wYear));
18871: // case 0x0a: return((cmos[0x0a] & 0x7f) | ((timeGetTime() % 1000) < 2 ? 0x80 : 0)); // 2msec
18872: case 0x0a: return((cmos[0x0a] & 0x7f) | ((timeGetTime() % 1000) < 20 ? 0x80 : 0)); // precision of timeGetTime() may not be 1msec
18873: case 0x15: return((MEMORY_END >> 10) & 0xff);
18874: case 0x16: return((MEMORY_END >> 18) & 0xff);
18875: case 0x17: return(((MAX_MEM - 0x100000) >> 10) & 0xff);
18876: case 0x18: return(((MAX_MEM - 0x100000) >> 18) & 0xff);
18877: case 0x30: return(((MAX_MEM - 0x100000) >> 10) & 0xff);
18878: case 0x31: return(((MAX_MEM - 0x100000) >> 18) & 0xff);
18879: case 0x32: CMOS_GET_TIME(); return(CMOS_BCD(time.wYear / 100));
1.1 root 18880: }
1.1.1.8 root 18881: return(cmos[addr & 0x7f]);
1.1 root 18882: }
18883:
1.1.1.7 root 18884: // kbd (a20)
18885:
18886: void kbd_init()
18887: {
1.1.1.8 root 18888: kbd_data = kbd_command = 0;
1.1.1.7 root 18889: kbd_status = 0x18;
18890: }
18891:
18892: UINT8 kbd_read_data()
18893: {
1.1.1.8 root 18894: kbd_status &= ~1;
1.1.1.7 root 18895: return(kbd_data);
18896: }
18897:
18898: void kbd_write_data(UINT8 val)
18899: {
18900: switch(kbd_command) {
18901: case 0xd1:
18902: i386_set_a20_line((val >> 1) & 1);
18903: break;
18904: }
18905: kbd_command = 0;
1.1.1.8 root 18906: kbd_status &= ~8;
1.1.1.7 root 18907: }
18908:
18909: UINT8 kbd_read_status()
18910: {
18911: return(kbd_status);
18912: }
18913:
18914: void kbd_write_command(UINT8 val)
18915: {
18916: switch(val) {
18917: case 0xd0:
18918: kbd_data = ((m_a20_mask >> 19) & 2) | 1;
1.1.1.8 root 18919: kbd_status |= 1;
1.1.1.7 root 18920: break;
18921: case 0xdd:
18922: i386_set_a20_line(0);
18923: break;
18924: case 0xdf:
18925: i386_set_a20_line(1);
18926: break;
1.1.1.26 root 18927: case 0xf0: case 0xf1: case 0xf2: case 0xf3: case 0xf4: case 0xf5: case 0xf6: case 0xf7:
18928: case 0xf8: case 0xf9: case 0xfa: case 0xfb: case 0xfc: case 0xfd: case 0xfe: case 0xff:
1.1.1.7 root 18929: if(!(val & 1)) {
1.1.1.8 root 18930: if((cmos[0x0f] & 0x7f) == 5) {
1.1.1.7 root 18931: // reset pic
18932: pic_init();
18933: pic[0].irr = pic[1].irr = 0x00;
18934: pic[0].imr = pic[1].imr = 0xff;
18935: }
18936: CPU_RESET_CALL(CPU_MODEL);
1.1.1.40 root 18937: UINT16 address = *(UINT16 *)(mem + 0x467);
18938: UINT16 selector = *(UINT16 *)(mem + 0x469);
18939: i386_jmp_far(selector, address);
1.1.1.7 root 18940: }
18941: i386_set_a20_line((val >> 1) & 1);
18942: break;
18943: }
18944: kbd_command = val;
1.1.1.8 root 18945: kbd_status |= 8;
1.1.1.7 root 18946: }
18947:
1.1.1.9 root 18948: // vga
18949:
18950: UINT8 vga_read_status()
18951: {
18952: // 60hz
18953: static const int period[3] = {16, 17, 17};
18954: static int index = 0;
18955: UINT32 time = timeGetTime() % period[index];
18956:
18957: index = (index + 1) % 3;
1.1.1.14 root 18958: return((time < 4 ? 0x08 : 0) | (time == 0 ? 0 : 0x01));
1.1.1.9 root 18959: }
18960:
1.1 root 18961: // i/o bus
18962:
1.1.1.29 root 18963: // this is ugly patch for SW1US.EXE, it sometimes mistakely read/write 01h-10h for serial I/O
18964: //#define SW1US_PATCH
18965:
1.1.1.25 root 18966: UINT8 read_io_byte(offs_t addr)
1.1.1.33 root 18967: #ifdef USE_DEBUGGER
1.1.1.25 root 18968: {
1.1.1.33 root 18969: if(now_debugging) {
18970: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
18971: if(in_break_point.table[i].status == 1) {
18972: if(addr == in_break_point.table[i].addr) {
18973: in_break_point.hit = i + 1;
18974: now_suspended = true;
18975: break;
18976: }
18977: }
18978: }
1.1.1.25 root 18979: }
1.1.1.33 root 18980: return(debugger_read_io_byte(addr));
1.1.1.25 root 18981: }
1.1.1.33 root 18982: UINT8 debugger_read_io_byte(offs_t addr)
1.1.1.25 root 18983: #endif
1.1 root 18984: {
1.1.1.33 root 18985: UINT8 val = 0xff;
18986:
1.1 root 18987: switch(addr) {
1.1.1.29 root 18988: #ifdef SW1US_PATCH
18989: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07: case 0x08:
18990: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f: case 0x10:
1.1.1.33 root 18991: val = sio_read(0, addr - 1);
18992: break;
1.1.1.29 root 18993: #else
1.1.1.25 root 18994: case 0x00: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07:
18995: case 0x08: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f:
1.1.1.33 root 18996: val = dma_read(0, addr);
18997: break;
1.1.1.29 root 18998: #endif
1.1.1.25 root 18999: case 0x20: case 0x21:
1.1.1.33 root 19000: val = pic_read(0, addr);
19001: break;
1.1.1.25 root 19002: case 0x40: case 0x41: case 0x42: case 0x43:
1.1.1.33 root 19003: val = pit_read(addr & 0x03);
19004: break;
1.1.1.7 root 19005: case 0x60:
1.1.1.33 root 19006: val = kbd_read_data();
19007: break;
1.1.1.9 root 19008: case 0x61:
1.1.1.33 root 19009: val = system_port;
19010: break;
1.1.1.7 root 19011: case 0x64:
1.1.1.33 root 19012: val = kbd_read_status();
19013: break;
1.1 root 19014: case 0x71:
1.1.1.33 root 19015: val = cmos_read(cmos_addr);
19016: break;
1.1.1.25 root 19017: case 0x81:
1.1.1.33 root 19018: val = dma_page_read(0, 2);
19019: break;
1.1.1.25 root 19020: case 0x82:
1.1.1.33 root 19021: val = dma_page_read(0, 3);
19022: break;
1.1.1.25 root 19023: case 0x83:
1.1.1.33 root 19024: val = dma_page_read(0, 1);
19025: break;
1.1.1.25 root 19026: case 0x87:
1.1.1.33 root 19027: val = dma_page_read(0, 0);
19028: break;
1.1.1.25 root 19029: case 0x89:
1.1.1.33 root 19030: val = dma_page_read(1, 2);
19031: break;
1.1.1.25 root 19032: case 0x8a:
1.1.1.33 root 19033: val = dma_page_read(1, 3);
19034: break;
1.1.1.25 root 19035: case 0x8b:
1.1.1.33 root 19036: val = dma_page_read(1, 1);
19037: break;
1.1.1.25 root 19038: case 0x8f:
1.1.1.33 root 19039: val = dma_page_read(1, 0);
19040: break;
1.1 root 19041: case 0x92:
1.1.1.33 root 19042: val = (m_a20_mask >> 19) & 2;
19043: break;
1.1.1.25 root 19044: case 0xa0: case 0xa1:
1.1.1.33 root 19045: val = pic_read(1, addr);
19046: break;
1.1.1.25 root 19047: case 0xc0: case 0xc2: case 0xc4: case 0xc6: case 0xc8: case 0xca: case 0xcc: case 0xce:
19048: case 0xd0: case 0xd2: case 0xd4: case 0xd6: case 0xd8: case 0xda: case 0xdc: case 0xde:
1.1.1.33 root 19049: val = dma_read(1, (addr - 0xc0) >> 1);
19050: break;
1.1.1.37 root 19051: case 0x278: case 0x279: case 0x27a:
19052: val = pio_read(1, addr);
19053: break;
1.1.1.29 root 19054: case 0x2e8: case 0x2e9: case 0x2ea: case 0x2eb: case 0x2ec: case 0x2ed: case 0x2ee: case 0x2ef:
1.1.1.33 root 19055: val = sio_read(3, addr);
19056: break;
1.1.1.25 root 19057: case 0x2f8: case 0x2f9: case 0x2fa: case 0x2fb: case 0x2fc: case 0x2fd: case 0x2fe: case 0x2ff:
1.1.1.33 root 19058: val = sio_read(1, addr);
19059: break;
1.1.1.25 root 19060: case 0x378: case 0x379: case 0x37a:
1.1.1.33 root 19061: val = pio_read(0, addr);
19062: break;
1.1.1.25 root 19063: case 0x3ba: case 0x3da:
1.1.1.33 root 19064: val = vga_read_status();
19065: break;
1.1.1.37 root 19066: case 0x3bc: case 0x3bd: case 0x3be:
19067: val = pio_read(2, addr);
19068: break;
1.1.1.29 root 19069: case 0x3e8: case 0x3e9: case 0x3ea: case 0x3eb: case 0x3ec: case 0x3ed: case 0x3ee: case 0x3ef:
1.1.1.33 root 19070: val = sio_read(2, addr);
19071: break;
1.1.1.25 root 19072: case 0x3f8: case 0x3f9: case 0x3fa: case 0x3fb: case 0x3fc: case 0x3fd: case 0x3fe: case 0x3ff:
1.1.1.33 root 19073: val = sio_read(0, addr);
19074: break;
1.1 root 19075: default:
1.1.1.33 root 19076: // fatalerror("unknown inb %4x\n", addr);
1.1 root 19077: break;
19078: }
1.1.1.33 root 19079: #ifdef ENABLE_DEBUG_IOPORT
19080: if(fp_debug_log != NULL) {
19081: fprintf(fp_debug_log, "inb %04X, %02X\n", addr, val);
19082: }
19083: #endif
19084: return(val);
1.1 root 19085: }
19086:
19087: UINT16 read_io_word(offs_t addr)
19088: {
19089: return(read_io_byte(addr) | (read_io_byte(addr + 1) << 8));
19090: }
19091:
1.1.1.33 root 19092: #ifdef USE_DEBUGGER
19093: UINT16 debugger_read_io_word(offs_t addr)
19094: {
19095: return(debugger_read_io_byte(addr) | (debugger_read_io_byte(addr + 1) << 8));
19096: }
19097: #endif
19098:
1.1 root 19099: UINT32 read_io_dword(offs_t addr)
19100: {
19101: return(read_io_byte(addr) | (read_io_byte(addr + 1) << 8) | (read_io_byte(addr + 2) << 16) | (read_io_byte(addr + 3) << 24));
19102: }
19103:
1.1.1.33 root 19104: #ifdef USE_DEBUGGER
19105: UINT32 debugger_read_io_dword(offs_t addr)
19106: {
19107: 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));
19108: }
19109: #endif
19110:
1.1 root 19111: void write_io_byte(offs_t addr, UINT8 val)
1.1.1.33 root 19112: #ifdef USE_DEBUGGER
19113: {
19114: if(now_debugging) {
19115: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
19116: if(out_break_point.table[i].status == 1) {
19117: if(addr == out_break_point.table[i].addr) {
19118: out_break_point.hit = i + 1;
19119: now_suspended = true;
19120: break;
19121: }
19122: }
19123: }
19124: }
19125: debugger_write_io_byte(addr, val);
19126: }
19127: void debugger_write_io_byte(offs_t addr, UINT8 val)
19128: #endif
1.1 root 19129: {
1.1.1.25 root 19130: #ifdef ENABLE_DEBUG_IOPORT
1.1.1.33 root 19131: if(fp_debug_log != NULL) {
1.1.1.43 root 19132: #ifdef USE_SERVICE_THREAD
19133: if(addr != 0xf7)
19134: #endif
1.1.1.33 root 19135: fprintf(fp_debug_log, "outb %04X, %02X\n", addr, val);
1.1.1.25 root 19136: }
19137: #endif
1.1 root 19138: switch(addr) {
1.1.1.29 root 19139: #ifdef SW1US_PATCH
19140: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07: case 0x08:
19141: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f: case 0x10:
19142: sio_write(0, addr - 1, val);
19143: break;
19144: #else
1.1.1.25 root 19145: case 0x00: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07:
19146: case 0x08: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f:
19147: dma_write(0, addr, val);
19148: break;
1.1.1.29 root 19149: #endif
1.1.1.25 root 19150: case 0x20: case 0x21:
1.1 root 19151: pic_write(0, addr, val);
19152: break;
1.1.1.25 root 19153: case 0x40: case 0x41: case 0x42: case 0x43:
1.1 root 19154: pit_write(addr & 0x03, val);
19155: break;
1.1.1.7 root 19156: case 0x60:
19157: kbd_write_data(val);
19158: break;
1.1.1.9 root 19159: case 0x61:
19160: if((system_port & 3) != 3 && (val & 3) == 3) {
19161: // beep on
19162: // MessageBeep(-1);
19163: } else if((system_port & 3) == 3 && (val & 3) != 3) {
19164: // beep off
19165: }
19166: system_port = val;
19167: break;
1.1 root 19168: case 0x64:
1.1.1.7 root 19169: kbd_write_command(val);
1.1 root 19170: break;
19171: case 0x70:
19172: cmos_addr = val;
19173: break;
19174: case 0x71:
1.1.1.8 root 19175: cmos_write(cmos_addr, val);
1.1 root 19176: break;
1.1.1.25 root 19177: case 0x81:
19178: dma_page_write(0, 2, val);
19179: case 0x82:
19180: dma_page_write(0, 3, val);
19181: case 0x83:
19182: dma_page_write(0, 1, val);
19183: case 0x87:
19184: dma_page_write(0, 0, val);
19185: case 0x89:
19186: dma_page_write(1, 2, val);
19187: case 0x8a:
19188: dma_page_write(1, 3, val);
19189: case 0x8b:
19190: dma_page_write(1, 1, val);
19191: case 0x8f:
19192: dma_page_write(1, 0, val);
1.1 root 19193: case 0x92:
1.1.1.7 root 19194: i386_set_a20_line((val >> 1) & 1);
1.1 root 19195: break;
1.1.1.25 root 19196: case 0xa0: case 0xa1:
1.1 root 19197: pic_write(1, addr, val);
19198: break;
1.1.1.25 root 19199: case 0xc0: case 0xc2: case 0xc4: case 0xc6: case 0xc8: case 0xca: case 0xcc: case 0xce:
19200: case 0xd0: case 0xd2: case 0xd4: case 0xd6: case 0xd8: case 0xda: case 0xdc: case 0xde:
1.1.1.26 root 19201: dma_write(1, (addr - 0xc0) >> 1, val);
1.1.1.25 root 19202: break;
1.1.1.35 root 19203: #ifdef USE_SERVICE_THREAD
19204: case 0xf7:
19205: // dummy i/o for BIOS/DOS service
1.1.1.36 root 19206: if(in_service && cursor_moved) {
19207: // update cursor position before service is done
19208: pcbios_update_cursor_position();
19209: cursor_moved = false;
19210: }
1.1.1.35 root 19211: finish_service_loop();
19212: break;
19213: #endif
1.1.1.37 root 19214: case 0x278: case 0x279: case 0x27a:
19215: pio_write(1, addr, val);
19216: break;
1.1.1.29 root 19217: case 0x2e8: case 0x2e9: case 0x2ea: case 0x2eb: case 0x2ec: case 0x2ed: case 0x2ee: case 0x2ef:
19218: sio_write(3, addr, val);
19219: break;
1.1.1.25 root 19220: case 0x2f8: case 0x2f9: case 0x2fa: case 0x2fb: case 0x2fc: case 0x2fd: case 0x2fe: case 0x2ff:
19221: sio_write(1, addr, val);
19222: break;
19223: case 0x378: case 0x379: case 0x37a:
19224: pio_write(0, addr, val);
19225: break;
1.1.1.37 root 19226: case 0x3bc: case 0x3bd: case 0x3be:
19227: pio_write(2, addr, val);
19228: break;
1.1.1.29 root 19229: case 0x3e8: case 0x3e9: case 0x3ea: case 0x3eb: case 0x3ec: case 0x3ed: case 0x3ee: case 0x3ef:
19230: sio_write(2, addr, val);
19231: break;
1.1.1.25 root 19232: case 0x3f8: case 0x3f9: case 0x3fa: case 0x3fb: case 0x3fc: case 0x3fd: case 0x3fe: case 0x3ff:
19233: sio_write(0, addr, val);
19234: break;
1.1 root 19235: default:
1.1.1.33 root 19236: // fatalerror("unknown outb %4x,%2x\n", addr, val);
1.1 root 19237: break;
19238: }
19239: }
19240:
19241: void write_io_word(offs_t addr, UINT16 val)
19242: {
19243: write_io_byte(addr + 0, (val >> 0) & 0xff);
19244: write_io_byte(addr + 1, (val >> 8) & 0xff);
19245: }
19246:
1.1.1.33 root 19247: #ifdef USE_DEBUGGER
19248: void debugger_write_io_word(offs_t addr, UINT16 val)
19249: {
19250: debugger_write_io_byte(addr + 0, (val >> 0) & 0xff);
19251: debugger_write_io_byte(addr + 1, (val >> 8) & 0xff);
19252: }
19253: #endif
19254:
1.1 root 19255: void write_io_dword(offs_t addr, UINT32 val)
19256: {
19257: write_io_byte(addr + 0, (val >> 0) & 0xff);
19258: write_io_byte(addr + 1, (val >> 8) & 0xff);
19259: write_io_byte(addr + 2, (val >> 16) & 0xff);
19260: write_io_byte(addr + 3, (val >> 24) & 0xff);
19261: }
1.1.1.33 root 19262:
19263: #ifdef USE_DEBUGGER
19264: void debugger_write_io_dword(offs_t addr, UINT32 val)
19265: {
19266: debugger_write_io_byte(addr + 0, (val >> 0) & 0xff);
19267: debugger_write_io_byte(addr + 1, (val >> 8) & 0xff);
19268: debugger_write_io_byte(addr + 2, (val >> 16) & 0xff);
19269: debugger_write_io_byte(addr + 3, (val >> 24) & 0xff);
19270: }
19271: #endif
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.