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1.1 root 1: /*
2: MS-DOS Player for Win32 console
3:
4: Author : Takeda.Toshiya
5: Date : 2009.11.09-
6: */
7:
8: #include "msdos.h"
9:
1.1.1.28 root 10: void exit_handler();
11:
1.1 root 12: #define fatalerror(...) { \
13: fprintf(stderr, __VA_ARGS__); \
1.1.1.28 root 14: exit_handler(); \
1.1 root 15: exit(1); \
16: }
17: #define error(...) fprintf(stderr, "error: " __VA_ARGS__)
1.1.1.22 root 18: #define nolog(...)
19:
1.1.1.33 root 20: //#define ENABLE_DEBUG_LOG
21: #ifdef ENABLE_DEBUG_LOG
1.1.1.22 root 22: #define EXPORT_DEBUG_TO_FILE
23: #define ENABLE_DEBUG_SYSCALL
24: #define ENABLE_DEBUG_UNIMPLEMENTED
1.1.1.25 root 25: #define ENABLE_DEBUG_IOPORT
1.1.1.22 root 26:
27: #ifdef EXPORT_DEBUG_TO_FILE
1.1.1.33 root 28: FILE* fp_debug_log = NULL;
1.1.1.22 root 29: #else
1.1.1.33 root 30: #define fp_debug_log stderr
1.1.1.22 root 31: #endif
32: #ifdef ENABLE_DEBUG_UNIMPLEMENTED
33: #define unimplemented_10h fatalerror
1.1.1.42 root 34: #define unimplemented_13h fatalerror
1.1.1.25 root 35: #define unimplemented_14h fatalerror
1.1.1.22 root 36: #define unimplemented_15h fatalerror
37: #define unimplemented_16h fatalerror
1.1.1.37 root 38: #define unimplemented_17h fatalerror
1.1.1.22 root 39: #define unimplemented_1ah fatalerror
40: #define unimplemented_21h fatalerror
41: #define unimplemented_2fh fatalerror
1.1.1.24 root 42: #define unimplemented_33h fatalerror
1.1.1.22 root 43: #define unimplemented_67h fatalerror
44: #define unimplemented_xms fatalerror
45: #endif
46: #endif
47: #ifndef unimplemented_10h
48: #define unimplemented_10h nolog
49: #endif
1.1.1.42 root 50: #ifndef unimplemented_13h
51: #define unimplemented_13h nolog
52: #endif
1.1.1.25 root 53: #ifndef unimplemented_14h
54: #define unimplemented_14h nolog
55: #endif
1.1.1.22 root 56: #ifndef unimplemented_15h
57: #define unimplemented_15h nolog
58: #endif
59: #ifndef unimplemented_16h
60: #define unimplemented_16h nolog
61: #endif
1.1.1.37 root 62: #ifndef unimplemented_17h
63: #define unimplemented_17h nolog
64: #endif
1.1.1.22 root 65: #ifndef unimplemented_1ah
66: #define unimplemented_1ah nolog
67: #endif
68: #ifndef unimplemented_21h
69: #define unimplemented_21h nolog
70: #endif
71: #ifndef unimplemented_2fh
72: #define unimplemented_2fh nolog
73: #endif
1.1.1.24 root 74: #ifndef unimplemented_33h
75: #define unimplemented_33h nolog
76: #endif
1.1.1.22 root 77: #ifndef unimplemented_67h
78: #define unimplemented_67h nolog
79: #endif
80: #ifndef unimplemented_xms
81: #define unimplemented_xms nolog
82: #endif
83:
1.1.1.32 root 84: #define array_length(array) (sizeof(array) / sizeof(array[0]))
1.1.1.22 root 85: #define my_strchr(str, chr) (char *)_mbschr((unsigned char *)(str), (unsigned int)(chr))
86: #define my_strtok(tok, del) (char *)_mbstok((unsigned char *)(tok), (const unsigned char *)(del))
87: #define my_strupr(str) (char *)_mbsupr((unsigned char *)(str))
1.1 root 88:
1.1.1.12 root 89: #if defined(__MINGW32__)
90: extern "C" int _CRT_glob = 0;
91: #endif
92:
93: /*
94: kludge for "more-standardized" C++
95: */
96: #if !defined(_MSC_VER)
97: inline int kludge_min(int a, int b) { return (a<b ? a:b); }
98: inline int kludge_max(int a, int b) { return (a>b ? a:b); }
99: #define min(a,b) kludge_min(a,b)
100: #define max(a,b) kludge_max(a,b)
1.1.1.14 root 101: #elif _MSC_VER >= 1400
102: void ignore_invalid_parameters(const wchar_t *, const wchar_t *, const wchar_t *, unsigned int, uintptr_t)
103: {
104: }
105: #endif
106:
1.1.1.35 root 107: #define USE_VRAM_THREAD
1.1.1.14 root 108:
1.1.1.35 root 109: #ifdef USE_VRAM_THREAD
1.1.1.14 root 110: static CRITICAL_SECTION vram_crit_sect;
111: #else
112: #define vram_flush()
1.1.1.12 root 113: #endif
114:
1.1.1.14 root 115: #define VIDEO_REGEN *(UINT16 *)(mem + 0x44c)
116: #define SCR_BUF(y,x) scr_buf[(y) * scr_buf_size.X + (x)]
117:
118: void change_console_size(int width, int height);
119: void clear_scr_buffer(WORD attr);
120:
121: static UINT32 vram_length_char = 0, vram_length_attr = 0;
122: static UINT32 vram_last_length_char = 0, vram_last_length_attr = 0;
123: static COORD vram_coord_char, vram_coord_attr;
124:
1.1.1.28 root 125: char temp_file_path[MAX_PATH];
126: bool temp_file_created = false;
127:
1.1.1.14 root 128: bool ignore_illegal_insn = false;
129: bool limit_max_memory = false;
130: bool no_windows = false;
131: bool stay_busy = false;
1.1.1.19 root 132: bool support_ems = false;
133: #ifdef SUPPORT_XMS
134: bool support_xms = false;
135: #endif
1.1.1.29 root 136: int sio_port_number[4] = {0, 0, 0, 0};
1.1.1.14 root 137:
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;
1.1.1.46 root 5904: #if 1
5905: psp->call5[0] = 0xcd; // int 6fh
5906: psp->call5[1] = 0x6f;
5907: psp->call5[2] = 0xc3; // ret
5908: #else
5909: psp->call5[0] = 0x8a; // mov ah, cl
5910: psp->call5[1] = 0xe1;
5911: psp->call5[2] = 0xcd; // int 21h
5912: psp->call5[3] = 0x21;
5913: psp->call5[4] = 0xc3; // ret
5914: #endif
1.1 root 5915: psp->int_22h.dw = *(UINT32 *)(mem + 4 * 0x22);
5916: psp->int_23h.dw = *(UINT32 *)(mem + 4 * 0x23);
5917: psp->int_24h.dw = *(UINT32 *)(mem + 4 * 0x24);
5918: psp->parent_psp = parent_psp;
1.1.1.20 root 5919: if(parent_psp == (UINT16)-1) {
5920: for(int i = 0; i < 20; i++) {
5921: if(file_handler[i].valid) {
5922: psp->file_table[i] = i;
5923: } else {
5924: psp->file_table[i] = 0xff;
5925: }
1.1 root 5926: }
1.1.1.20 root 5927: } else {
5928: memcpy(psp->file_table, ((psp_t *)(mem + (parent_psp << 4)))->file_table, 20);
1.1 root 5929: }
5930: psp->env_seg = env_seg;
5931: psp->stack.w.l = REG16(SP);
1.1.1.3 root 5932: psp->stack.w.h = SREG(SS);
1.1.1.14 root 5933: psp->file_table_size = 20;
5934: psp->file_table_ptr.w.l = 0x18;
5935: psp->file_table_ptr.w.h = psp_seg;
1.1 root 5936: psp->service[0] = 0xcd;
5937: psp->service[1] = 0x21;
5938: psp->service[2] = 0xcb;
5939: return(psp);
5940: }
5941:
1.1.1.20 root 5942: void msdos_psp_set_file_table(int fd, UINT8 value, int psp_seg)
5943: {
5944: if(psp_seg && fd < 20) {
5945: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
5946: psp->file_table[fd] = value;
5947: }
5948: }
5949:
5950: int msdos_psp_get_file_table(int fd, int psp_seg)
5951: {
5952: if(psp_seg && fd < 20) {
5953: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
5954: fd = psp->file_table[fd];
5955: }
5956: return fd;
5957: }
5958:
1.1.1.45 root 5959: int msdos_process_exec(const char *cmd, param_block_t *param, UINT8 al)
1.1 root 5960: {
5961: // load command file
5962: int fd = -1;
1.1.1.45 root 5963: int sio_port = 0;
5964: int lpt_port = 0;
1.1 root 5965: int dos_command = 0;
1.1.1.24 root 5966: char command[MAX_PATH], path[MAX_PATH], opt[MAX_PATH], *name = NULL, name_tmp[MAX_PATH];
1.1.1.38 root 5967: char pipe_stdin_path[MAX_PATH] = {0};
5968: char pipe_stdout_path[MAX_PATH] = {0};
1.1.1.39 root 5969: char pipe_stderr_path[MAX_PATH] = {0};
1.1 root 5970:
5971: int opt_ofs = (param->cmd_line.w.h << 4) + param->cmd_line.w.l;
5972: int opt_len = mem[opt_ofs];
5973: memset(opt, 0, sizeof(opt));
5974: memcpy(opt, mem + opt_ofs + 1, opt_len);
5975:
1.1.1.14 root 5976: if(strlen(cmd) >= 5 && _stricmp(&cmd[strlen(cmd) - 4], ".BAT") == 0) {
5977: // this is a batch file, run command.com
5978: char tmp[MAX_PATH];
5979: if(opt_len != 0) {
5980: sprintf(tmp, "/C %s %s", cmd, opt);
5981: } else {
5982: sprintf(tmp, "/C %s", cmd);
5983: }
5984: strcpy(opt, tmp);
5985: opt_len = strlen(opt);
5986: mem[opt_ofs] = opt_len;
5987: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
5988: strcpy(command, comspec_path);
5989: strcpy(name_tmp, "COMMAND.COM");
5990: } else {
5991: if(_stricmp(cmd, "C:\\COMMAND.COM") == 0) {
5992: // redirect C:\COMMAND.COM to comspec_path
5993: strcpy(command, comspec_path);
5994: } else {
5995: strcpy(command, cmd);
5996: }
1.1.1.24 root 5997: if(GetFullPathName(command, MAX_PATH, path, &name) == 0) {
5998: return(-1);
5999: }
1.1.1.14 root 6000: memset(name_tmp, 0, sizeof(name_tmp));
6001: strcpy(name_tmp, name);
6002:
6003: // check command.com
1.1.1.38 root 6004: if((_stricmp(name, "COMMAND.COM") == 0 || _stricmp(name, "COMMAND") == 0) && _access(comspec_path, 0) != 0) {
6005: // we can not load command.com, so run program directly if "command /c (program)" is specified
1.1.1.14 root 6006: if(opt_len == 0) {
6007: // process_t *current_process = msdos_process_info_get(current_psp);
6008: process_t *current_process = NULL;
6009: for(int i = 0; i < MAX_PROCESS; i++) {
6010: if(process[i].psp == current_psp) {
6011: current_process = &process[i];
6012: break;
6013: }
6014: }
6015: if(current_process != NULL) {
6016: param->cmd_line.dw = current_process->dta.dw;
6017: opt_ofs = (param->cmd_line.w.h << 4) + param->cmd_line.w.l;
6018: opt_len = mem[opt_ofs];
6019: memset(opt, 0, sizeof(opt));
6020: memcpy(opt, mem + opt_ofs + 1, opt_len);
6021: }
6022: }
6023: for(int i = 0; i < opt_len; i++) {
6024: if(opt[i] == ' ') {
6025: continue;
6026: }
6027: if(opt[i] == '/' && (opt[i + 1] == 'c' || opt[i + 1] == 'C') && opt[i + 2] == ' ') {
6028: for(int j = i + 3; j < opt_len; j++) {
6029: if(opt[j] == ' ') {
6030: continue;
6031: }
6032: char *token = my_strtok(opt + j, " ");
6033:
1.1.1.38 root 6034: strcpy(command, token);
6035: char tmp[MAX_PATH];
6036: strcpy(tmp, token + strlen(token) + 1);
1.1.1.39 root 6037: strcpy(opt, "");
6038: for(int i = 0; i < strlen(tmp); i++) {
6039: if(tmp[i] != ' ') {
6040: strcpy(opt, tmp + i);
6041: break;
6042: }
6043: }
6044: strcpy(tmp, opt);
1.1.1.38 root 6045:
6046: if(al == 0x00) {
1.1.1.39 root 6047: #define GET_FILE_PATH() { \
6048: if(token[0] != '>' && token[0] != '<') { \
6049: token++; \
6050: } \
6051: token++; \
6052: while(*token == ' ') { \
6053: token++; \
6054: } \
6055: char *ptr = token; \
6056: while(*ptr != ' ' && *ptr != '\r' && *ptr != '\0') { \
6057: ptr++; \
6058: } \
6059: *ptr = '\0'; \
6060: }
6061: if((token = strstr(opt, "0<")) != NULL || (token = strstr(opt, "<")) != NULL) {
6062: GET_FILE_PATH();
1.1.1.38 root 6063: strcpy(pipe_stdin_path, token);
6064: strcpy(opt, tmp);
6065: }
1.1.1.39 root 6066: if((token = strstr(opt, "1>")) != NULL || (token = strstr(opt, ">")) != NULL) {
6067: GET_FILE_PATH();
1.1.1.38 root 6068: strcpy(pipe_stdout_path, token);
6069: strcpy(opt, tmp);
6070: }
1.1.1.39 root 6071: if((token = strstr(opt, "2>")) != NULL) {
6072: GET_FILE_PATH();
6073: strcpy(pipe_stderr_path, token);
6074: strcpy(opt, tmp);
6075: }
6076: #undef GET_FILE_PATH
6077:
6078: if((token = strstr(opt, "0<")) != NULL) {
6079: *token = '\0';
6080: }
6081: if((token = strstr(opt, "1>")) != NULL) {
6082: *token = '\0';
6083: }
6084: if((token = strstr(opt, "2>")) != NULL) {
6085: *token = '\0';
6086: }
1.1.1.38 root 6087: if((token = strstr(opt, "<")) != NULL) {
6088: *token = '\0';
6089: }
6090: if((token = strstr(opt, ">")) != NULL) {
6091: *token = '\0';
6092: }
1.1.1.14 root 6093: }
1.1.1.39 root 6094: for(int i = strlen(opt) - 1; i >= 0 && opt[i] == ' '; i--) {
6095: opt[i] = '\0';
6096: }
1.1.1.38 root 6097: opt_len = strlen(opt);
6098: mem[opt_ofs] = opt_len;
6099: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
6100: dos_command = 1;
1.1.1.14 root 6101: break;
1.1 root 6102: }
6103: }
1.1.1.14 root 6104: break;
1.1 root 6105: }
6106: }
6107: }
6108:
6109: // load command file
6110: strcpy(path, command);
6111: if((fd = _open(path, _O_RDONLY | _O_BINARY)) == -1) {
6112: sprintf(path, "%s.COM", command);
6113: if((fd = _open(path, _O_RDONLY | _O_BINARY)) == -1) {
6114: sprintf(path, "%s.EXE", command);
6115: if((fd = _open(path, _O_RDONLY | _O_BINARY)) == -1) {
1.1.1.14 root 6116: sprintf(path, "%s.BAT", command);
6117: if(_access(path, 0) == 0) {
6118: // this is a batch file, run command.com
6119: char tmp[MAX_PATH];
6120: if(opt_len != 0) {
6121: sprintf(tmp, "/C %s %s", path, opt);
6122: } else {
6123: sprintf(tmp, "/C %s", path);
6124: }
6125: strcpy(opt, tmp);
6126: opt_len = strlen(opt);
6127: mem[opt_ofs] = opt_len;
6128: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
6129: strcpy(path, comspec_path);
6130: strcpy(name_tmp, "COMMAND.COM");
6131: fd = _open(path, _O_RDONLY | _O_BINARY);
6132: } else {
6133: // search path in parent environments
6134: psp_t *parent_psp = (psp_t *)(mem + (current_psp << 4));
1.1.1.45 root 6135: const char *env = msdos_env_get(parent_psp->env_seg, "PATH");
1.1.1.14 root 6136: if(env != NULL) {
6137: char env_path[4096];
6138: strcpy(env_path, env);
6139: char *token = my_strtok(env_path, ";");
6140:
6141: while(token != NULL) {
6142: if(strlen(token) != 0) {
6143: sprintf(path, "%s", msdos_combine_path(token, command));
6144: if((fd = _open(path, _O_RDONLY | _O_BINARY)) != -1) {
6145: break;
6146: }
6147: sprintf(path, "%s.COM", msdos_combine_path(token, command));
6148: if((fd = _open(path, _O_RDONLY | _O_BINARY)) != -1) {
6149: break;
6150: }
6151: sprintf(path, "%s.EXE", msdos_combine_path(token, command));
6152: if((fd = _open(path, _O_RDONLY | _O_BINARY)) != -1) {
6153: break;
6154: }
6155: sprintf(path, "%s.BAT", msdos_combine_path(token, command));
6156: if(_access(path, 0) == 0) {
6157: // this is a batch file, run command.com
6158: char tmp[MAX_PATH];
6159: if(opt_len != 0) {
6160: sprintf(tmp, "/C %s %s", path, opt);
6161: } else {
6162: sprintf(tmp, "/C %s", path);
6163: }
6164: strcpy(opt, tmp);
6165: opt_len = strlen(opt);
6166: mem[opt_ofs] = opt_len;
6167: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
6168: strcpy(path, comspec_path);
6169: strcpy(name_tmp, "COMMAND.COM");
6170: fd = _open(path, _O_RDONLY | _O_BINARY);
6171: break;
6172: }
1.1.1.8 root 6173: }
1.1.1.14 root 6174: token = my_strtok(NULL, ";");
1.1 root 6175: }
6176: }
6177: }
6178: }
6179: }
6180: }
6181: if(fd == -1) {
1.1.1.38 root 6182: // we can not find command.com in the path, so open comspec_path
6183: if(_stricmp(command, "COMMAND.COM") == 0 || _stricmp(command, "COMMAND") == 0) {
6184: strcpy(command, comspec_path);
6185: strcpy(path, command);
6186: fd = _open(path, _O_RDONLY | _O_BINARY);
6187: }
6188: }
6189: if(fd == -1) {
1.1 root 6190: if(dos_command) {
6191: // may be dos command
6192: char tmp[MAX_PATH];
6193: sprintf(tmp, "%s %s", command, opt);
6194: system(tmp);
6195: return(0);
6196: } else {
6197: return(-1);
6198: }
6199: }
6200: _read(fd, file_buffer, sizeof(file_buffer));
6201: _close(fd);
6202:
6203: // copy environment
1.1.1.29 root 6204: int umb_linked, env_seg, psp_seg;
1.1 root 6205:
1.1.1.29 root 6206: if((umb_linked = msdos_mem_get_umb_linked()) != 0) {
6207: msdos_mem_unlink_umb();
6208: }
1.1.1.8 root 6209: if((env_seg = msdos_mem_alloc(first_mcb, ENV_SIZE >> 4, 1)) == -1) {
1.1.1.29 root 6210: if((env_seg = msdos_mem_alloc(UMB_TOP >> 4, ENV_SIZE >> 4, 1)) == -1) {
6211: if(umb_linked != 0) {
6212: msdos_mem_link_umb();
6213: }
6214: return(-1);
6215: }
1.1 root 6216: }
6217: if(param->env_seg == 0) {
6218: psp_t *parent_psp = (psp_t *)(mem + (current_psp << 4));
6219: memcpy(mem + (env_seg << 4), mem + (parent_psp->env_seg << 4), ENV_SIZE);
6220: } else {
6221: memcpy(mem + (env_seg << 4), mem + (param->env_seg << 4), ENV_SIZE);
6222: }
6223: msdos_env_set_argv(env_seg, msdos_short_full_path(path));
6224:
6225: // check exe header
6226: exe_header_t *header = (exe_header_t *)file_buffer;
1.1.1.8 root 6227: int paragraphs, free_paragraphs = msdos_mem_get_free(first_mcb, 1);
1.1 root 6228: UINT16 cs, ss, ip, sp;
6229:
6230: if(header->mz == 0x4d5a || header->mz == 0x5a4d) {
6231: // memory allocation
6232: int header_size = header->header_size * 16;
6233: int load_size = header->pages * 512 - header_size;
6234: if(header_size + load_size < 512) {
6235: load_size = 512 - header_size;
6236: }
6237: paragraphs = (PSP_SIZE + load_size) >> 4;
6238: if(paragraphs + header->min_alloc > free_paragraphs) {
6239: msdos_mem_free(env_seg);
6240: return(-1);
6241: }
6242: paragraphs += header->max_alloc ? header->max_alloc : header->min_alloc;
6243: if(paragraphs > free_paragraphs) {
6244: paragraphs = free_paragraphs;
6245: }
1.1.1.8 root 6246: if((psp_seg = msdos_mem_alloc(first_mcb, paragraphs, 1)) == -1) {
1.1.1.29 root 6247: if((psp_seg = msdos_mem_alloc(UMB_TOP >> 4, paragraphs, 1)) == -1) {
6248: if(umb_linked != 0) {
6249: msdos_mem_link_umb();
6250: }
6251: msdos_mem_free(env_seg);
6252: return(-1);
6253: }
1.1 root 6254: }
6255: // relocation
6256: int start_seg = psp_seg + (PSP_SIZE >> 4);
6257: for(int i = 0; i < header->relocations; i++) {
6258: int ofs = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 0);
6259: int seg = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 2);
6260: *(UINT16 *)(file_buffer + header_size + (seg << 4) + ofs) += start_seg;
6261: }
6262: memcpy(mem + (start_seg << 4), file_buffer + header_size, load_size);
6263: // segments
6264: cs = header->init_cs + start_seg;
6265: ss = header->init_ss + start_seg;
6266: ip = header->init_ip;
6267: sp = header->init_sp - 2; // for symdeb
6268: } else {
6269: // memory allocation
6270: paragraphs = free_paragraphs;
1.1.1.8 root 6271: if((psp_seg = msdos_mem_alloc(first_mcb, paragraphs, 1)) == -1) {
1.1.1.29 root 6272: if((psp_seg = msdos_mem_alloc(UMB_TOP >> 4, paragraphs, 1)) == -1) {
6273: if(umb_linked != 0) {
6274: msdos_mem_link_umb();
6275: }
6276: msdos_mem_free(env_seg);
6277: return(-1);
6278: }
1.1 root 6279: }
6280: int start_seg = psp_seg + (PSP_SIZE >> 4);
6281: memcpy(mem + (start_seg << 4), file_buffer, 0x10000 - PSP_SIZE);
6282: // segments
6283: cs = ss = psp_seg;
6284: ip = 0x100;
6285: sp = 0xfffe;
6286: }
1.1.1.29 root 6287: if(umb_linked != 0) {
6288: msdos_mem_link_umb();
6289: }
1.1 root 6290:
6291: // create psp
1.1.1.3 root 6292: *(UINT16 *)(mem + 4 * 0x22 + 0) = m_eip;
6293: *(UINT16 *)(mem + 4 * 0x22 + 2) = SREG(CS);
1.1 root 6294: psp_t *psp = msdos_psp_create(psp_seg, psp_seg + paragraphs, current_psp, env_seg);
6295: memcpy(psp->fcb1, mem + (param->fcb1.w.h << 4) + param->fcb1.w.l, sizeof(psp->fcb1));
6296: memcpy(psp->fcb2, mem + (param->fcb2.w.h << 4) + param->fcb2.w.l, sizeof(psp->fcb2));
6297: memcpy(psp->buffer, mem + (param->cmd_line.w.h << 4) + param->cmd_line.w.l, sizeof(psp->buffer));
6298:
6299: mcb_t *mcb_env = (mcb_t *)(mem + ((env_seg - 1) << 4));
6300: mcb_t *mcb_psp = (mcb_t *)(mem + ((psp_seg - 1) << 4));
6301: mcb_psp->psp = mcb_env->psp = psp_seg;
6302:
1.1.1.4 root 6303: for(int i = 0; i < 8; i++) {
6304: if(name_tmp[i] == '.') {
6305: mcb_psp->prog_name[i] = '\0';
6306: break;
6307: } else if(i < 7 && msdos_lead_byte_check(name_tmp[i])) {
6308: mcb_psp->prog_name[i] = name_tmp[i];
6309: i++;
6310: mcb_psp->prog_name[i] = name_tmp[i];
6311: } else if(name_tmp[i] >= 'a' && name_tmp[i] <= 'z') {
6312: mcb_psp->prog_name[i] = name_tmp[i] - 'a' + 'A';
6313: } else {
6314: mcb_psp->prog_name[i] = name_tmp[i];
6315: }
6316: }
6317:
1.1 root 6318: // process info
6319: process_t *process = msdos_process_info_create(psp_seg);
6320: strcpy(process->module_dir, msdos_short_full_dir(path));
1.1.1.33 root 6321: #ifdef USE_DEBUGGER
6322: strcpy(process->module_path, path);
6323: #endif
1.1 root 6324: process->dta.w.l = 0x80;
6325: process->dta.w.h = psp_seg;
6326: process->switchar = '/';
6327: process->max_files = 20;
6328: process->parent_int_10h_feh_called = int_10h_feh_called;
6329: process->parent_int_10h_ffh_called = int_10h_ffh_called;
1.1.1.14 root 6330: process->parent_ds = SREG(DS);
1.1.1.31 root 6331: process->parent_es = SREG(ES);
1.1 root 6332:
6333: current_psp = psp_seg;
1.1.1.23 root 6334: msdos_sda_update(current_psp);
1.1 root 6335:
6336: if(al == 0x00) {
6337: int_10h_feh_called = int_10h_ffh_called = false;
6338:
1.1.1.38 root 6339: // pipe
6340: if(pipe_stdin_path[0] != '\0') {
1.1.1.45 root 6341: // if((fd = _open(pipe_stdin_path, _O_RDONLY | _O_BINARY)) != -1) {
6342: if(msdos_is_device_path(pipe_stdin_path)) {
6343: fd = msdos_open_device(pipe_stdin_path, _O_RDONLY | _O_BINARY, &sio_port, &lpt_port);
6344: } else {
6345: fd = _open(pipe_stdin_path, _O_RDONLY | _O_BINARY);
6346: }
6347: if(fd != -1) {
6348: 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 6349: psp->file_table[0] = fd;
6350: msdos_psp_set_file_table(fd, fd, current_psp);
6351: }
6352: }
6353: if(pipe_stdout_path[0] != '\0') {
6354: if(_access(pipe_stdout_path, 0) == 0) {
6355: SetFileAttributes(pipe_stdout_path, FILE_ATTRIBUTE_NORMAL);
6356: DeleteFile(pipe_stdout_path);
6357: }
1.1.1.45 root 6358: // if((fd = _open(pipe_stdout_path, _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE)) != -1) {
6359: if(msdos_is_device_path(pipe_stdout_path)) {
6360: fd = msdos_open_device(pipe_stdout_path, _O_WRONLY | _O_BINARY, &sio_port, &lpt_port);
6361: } else {
6362: fd = _open(pipe_stdout_path, _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
6363: }
6364: if(fd != -1) {
6365: 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 6366: psp->file_table[1] = fd;
6367: msdos_psp_set_file_table(fd, fd, current_psp);
6368: }
6369: }
1.1.1.39 root 6370: if(pipe_stderr_path[0] != '\0') {
6371: if(_access(pipe_stderr_path, 0) == 0) {
6372: SetFileAttributes(pipe_stderr_path, FILE_ATTRIBUTE_NORMAL);
6373: DeleteFile(pipe_stderr_path);
6374: }
1.1.1.45 root 6375: // if((fd = _open(pipe_stderr_path, _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE)) != -1) {
6376: if(msdos_is_device_path(pipe_stderr_path)) {
6377: fd = msdos_open_device(pipe_stderr_path, _O_WRONLY | _O_BINARY, &sio_port, &lpt_port);
6378: } else {
6379: fd = _open(pipe_stdout_path, _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
6380: }
6381: if(fd != -1) {
6382: 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 6383: psp->file_table[2] = fd;
6384: msdos_psp_set_file_table(fd, fd, current_psp);
6385: }
6386: }
1.1.1.38 root 6387:
1.1 root 6388: // registers and segments
6389: REG16(AX) = REG16(BX) = 0x00;
6390: REG16(CX) = 0xff;
6391: REG16(DX) = psp_seg;
6392: REG16(SI) = ip;
6393: REG16(DI) = sp;
6394: REG16(SP) = sp;
1.1.1.3 root 6395: SREG(DS) = SREG(ES) = psp_seg;
6396: SREG(SS) = ss;
6397: i386_load_segment_descriptor(DS);
6398: i386_load_segment_descriptor(ES);
6399: i386_load_segment_descriptor(SS);
1.1 root 6400:
6401: *(UINT16 *)(mem + (ss << 4) + sp) = 0;
6402: i386_jmp_far(cs, ip);
6403: } else if(al == 0x01) {
6404: // copy ss:sp and cs:ip to param block
6405: param->sp = sp;
6406: param->ss = ss;
6407: param->ip = ip;
6408: param->cs = cs;
1.1.1.31 root 6409:
6410: // the AX value to be passed to the child program is put on top of the child's stack
6411: *(UINT16 *)(mem + (ss << 4) + sp) = REG16(AX);
1.1 root 6412: }
6413: return(0);
6414: }
6415:
6416: void msdos_process_terminate(int psp_seg, int ret, int mem_free)
6417: {
6418: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
6419:
6420: *(UINT32 *)(mem + 4 * 0x22) = psp->int_22h.dw;
6421: *(UINT32 *)(mem + 4 * 0x23) = psp->int_23h.dw;
6422: *(UINT32 *)(mem + 4 * 0x24) = psp->int_24h.dw;
6423:
1.1.1.3 root 6424: SREG(SS) = psp->stack.w.h;
6425: i386_load_segment_descriptor(SS);
1.1 root 6426: REG16(SP) = psp->stack.w.l;
6427: i386_jmp_far(psp->int_22h.w.h, psp->int_22h.w.l);
6428:
1.1.1.28 root 6429: // process_t *current_process = msdos_process_info_get(psp_seg);
6430: process_t *current_process = NULL;
6431: for(int i = 0; i < MAX_PROCESS; i++) {
6432: if(process[i].psp == psp_seg) {
6433: current_process = &process[i];
6434: break;
6435: }
6436: }
6437: if(current_process == NULL) {
6438: throw(0x1f); // general failure
6439: }
6440: int_10h_feh_called = current_process->parent_int_10h_feh_called;
6441: int_10h_ffh_called = current_process->parent_int_10h_ffh_called;
6442: if(current_process->called_by_int2eh) {
6443: REG16(AX) = ret;
6444: }
6445: SREG(DS) = current_process->parent_ds;
1.1.1.31 root 6446: SREG(ES) = current_process->parent_es;
1.1.1.14 root 6447: i386_load_segment_descriptor(DS);
1.1.1.31 root 6448: i386_load_segment_descriptor(ES);
1.1 root 6449:
6450: if(mem_free) {
1.1.1.8 root 6451: int mcb_seg;
6452: while((mcb_seg = msdos_mem_get_last_mcb(first_mcb, psp_seg)) != -1) {
6453: msdos_mem_free(mcb_seg + 1);
6454: }
6455: while((mcb_seg = msdos_mem_get_last_mcb(UMB_TOP >> 4, psp_seg)) != -1) {
6456: msdos_mem_free(mcb_seg + 1);
6457: }
1.1 root 6458:
6459: for(int i = 0; i < MAX_FILES; i++) {
6460: if(file_handler[i].valid && file_handler[i].psp == psp_seg) {
6461: _close(i);
1.1.1.20 root 6462: msdos_file_handler_close(i);
6463: msdos_psp_set_file_table(i, 0x0ff, psp_seg); // FIXME: consider duplicated file handles
1.1 root 6464: }
6465: }
1.1.1.13 root 6466: msdos_dta_info_free(psp_seg);
1.1 root 6467: }
1.1.1.14 root 6468: msdos_stdio_reopen();
1.1 root 6469:
1.1.1.28 root 6470: memset(current_process, 0, sizeof(process_t));
1.1 root 6471:
6472: current_psp = psp->parent_psp;
6473: retval = ret;
1.1.1.23 root 6474: msdos_sda_update(current_psp);
1.1 root 6475: }
6476:
6477: // drive
6478:
1.1.1.42 root 6479: int pcbios_update_drive_param(int drive_num, int force_update);
6480:
1.1 root 6481: int msdos_drive_param_block_update(int drive_num, UINT16 *seg, UINT16 *ofs, int force_update)
6482: {
1.1.1.41 root 6483: if(!(drive_num >= 0 && drive_num < 26)) {
6484: return(0);
6485: }
1.1.1.42 root 6486: pcbios_update_drive_param(drive_num, force_update);
6487:
6488: drive_param_t *drive_param = &drive_params[drive_num];
1.1 root 6489: *seg = DPB_TOP >> 4;
6490: *ofs = sizeof(dpb_t) * drive_num;
6491: dpb_t *dpb = (dpb_t *)(mem + (*seg << 4) + *ofs);
6492:
6493: memset(dpb, 0, sizeof(dpb_t));
6494:
1.1.1.41 root 6495: dpb->drive_num = drive_num;
6496: dpb->unit_num = drive_num;
1.1.1.42 root 6497:
6498: if(drive_param->valid) {
6499: DISK_GEOMETRY *geo = &drive_param->geometry;
6500:
6501: dpb->bytes_per_sector = (UINT16)geo->BytesPerSector;
6502: dpb->highest_sector_num = (UINT8)(geo->SectorsPerTrack - 1);
6503: dpb->highest_cluster_num = (UINT16)(geo->TracksPerCylinder * geo->Cylinders.QuadPart + 1);
6504: dpb->maximum_cluster_num = (UINT32)(geo->TracksPerCylinder * geo->Cylinders.QuadPart + 1);
6505: switch(geo->MediaType) {
6506: case F5_320_512: // floppy, double-sided, 8 sectors per track (320K)
6507: dpb->media_type = 0xff;
6508: break;
6509: case F5_160_512: // floppy, single-sided, 8 sectors per track (160K)
6510: dpb->media_type = 0xfe;
6511: break;
6512: case F5_360_512: // floppy, double-sided, 9 sectors per track (360K)
6513: dpb->media_type = 0xfd;
6514: break;
6515: case F5_180_512: // floppy, single-sided, 9 sectors per track (180K)
6516: dpb->media_type = 0xfc;
6517: break;
6518: case F5_1Pt2_512: // floppy, double-sided, 15 sectors per track (1.2M)
6519: case F3_1Pt2_512:
6520: case F3_720_512: // floppy, double-sided, 9 sectors per track (720K,3.5")
6521: case F5_720_512:
6522: dpb->media_type = 0xf9;
6523: break;
6524: case FixedMedia: // hard disk
6525: case RemovableMedia:
6526: case Unknown:
6527: dpb->media_type = 0xf8;
6528: break;
6529: default:
6530: dpb->media_type = 0xf0;
6531: break;
6532: }
6533: }
1.1.1.41 root 6534: dpb->next_dpb_ofs = (drive_num == 25) ? 0xffff : *ofs + sizeof(dpb_t);
6535: dpb->next_dpb_seg = (drive_num == 25) ? 0xffff : *seg;
1.1.1.42 root 6536: dpb->info_sector = 0xffff;
6537: dpb->backup_boot_sector = 0xffff;
6538: dpb->free_clusters = 0xffff;
6539: dpb->free_search_cluster = 0xffffffff;
6540:
6541: return(drive_param->valid);
1.1 root 6542: }
6543:
6544: // pc bios
6545:
1.1.1.35 root 6546: #ifdef USE_SERVICE_THREAD
6547: void start_service_loop(LPTHREAD_START_ROUTINE lpStartAddress)
6548: {
6549: #if defined(HAS_I386)
6550: if(m_SF != 0) {
6551: m_SF = 0;
6552: mem[0xfffd0 + 0x15] = 0x79; // jns -4
6553: } else {
6554: m_SF = 1;
6555: mem[0xfffd0 + 0x15] = 0x78; // js -4
6556: }
6557: #else
6558: if(m_SignVal < 0) {
6559: m_SignVal = 0;
6560: mem[0xfffd0 + 0x15] = 0x79; // jns -4
6561: } else {
6562: m_SignVal = -1;
6563: mem[0xfffd0 + 0x15] = 0x78; // js -4
6564: }
6565: #endif
6566: i386_call_far(0xfffd, 0x0013);
6567: in_service = true;
6568: service_exit = false;
6569: CloseHandle(CreateThread(NULL, 0, lpStartAddress, NULL, 0, NULL));
6570: }
6571:
6572: void finish_service_loop()
6573: {
6574: if(in_service && service_exit) {
6575: #if defined(HAS_I386)
6576: if(m_SF != 0) {
6577: m_SF = 0;
6578: } else {
6579: m_SF = 1;
6580: }
6581: #else
6582: if(m_SignVal < 0) {
6583: m_SignVal = 0;
6584: } else {
6585: m_SignVal = -1;
6586: }
6587: #endif
6588: in_service = false;
6589: }
6590: }
6591: #endif
6592:
1.1.1.19 root 6593: UINT32 get_ticks_since_midnight(UINT32 cur_msec)
6594: {
6595: static unsigned __int64 start_msec_since_midnight = 0;
6596: static unsigned __int64 start_msec_since_hostboot = 0;
6597:
6598: if(start_msec_since_midnight == 0) {
6599: SYSTEMTIME time;
6600: GetLocalTime(&time);
6601: start_msec_since_midnight = ((time.wHour * 60 + time.wMinute) * 60 + time.wSecond) * 1000 + time.wMilliseconds;
6602: start_msec_since_hostboot = cur_msec;
6603: }
6604: unsigned __int64 msec = (start_msec_since_midnight + cur_msec - start_msec_since_hostboot) % (24 * 60 * 60 * 1000);
6605: unsigned __int64 tick = msec * 0x1800b0 / (24 * 60 * 60 * 1000);
6606: return (UINT32)tick;
6607: }
6608:
6609: void pcbios_update_daily_timer_counter(UINT32 cur_msec)
6610: {
6611: UINT32 prev_tick = *(UINT32 *)(mem + 0x46c);
6612: UINT32 next_tick = get_ticks_since_midnight(cur_msec);
6613:
6614: if(prev_tick > next_tick) {
6615: mem[0x470] = 1;
6616: }
6617: *(UINT32 *)(mem + 0x46c) = next_tick;
6618: }
6619:
1.1.1.14 root 6620: inline void pcbios_irq0()
6621: {
6622: //++*(UINT32 *)(mem + 0x46c);
1.1.1.19 root 6623: pcbios_update_daily_timer_counter(timeGetTime());
1.1.1.14 root 6624: }
6625:
1.1.1.16 root 6626: int pcbios_get_text_vram_address(int page)
1.1 root 6627: {
6628: if(/*mem[0x449] == 0x03 || */mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.8 root 6629: return TEXT_VRAM_TOP;
1.1 root 6630: } else {
1.1.1.14 root 6631: return TEXT_VRAM_TOP + VIDEO_REGEN * (page % vram_pages);
1.1 root 6632: }
6633: }
6634:
1.1.1.16 root 6635: int pcbios_get_shadow_buffer_address(int page)
1.1 root 6636: {
1.1.1.14 root 6637: if(!int_10h_feh_called) {
1.1.1.16 root 6638: return pcbios_get_text_vram_address(page);
1.1.1.14 root 6639: } else if(/*mem[0x449] == 0x03 || */mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.8 root 6640: return SHADOW_BUF_TOP;
6641: } else {
1.1.1.14 root 6642: return SHADOW_BUF_TOP + VIDEO_REGEN * (page % vram_pages);
1.1.1.8 root 6643: }
6644: }
6645:
1.1.1.16 root 6646: int pcbios_get_shadow_buffer_address(int page, int x, int y)
1.1.1.8 root 6647: {
1.1.1.16 root 6648: return pcbios_get_shadow_buffer_address(page) + (x + y * scr_width) * 2;
1.1 root 6649: }
6650:
1.1.1.16 root 6651: void pcbios_set_console_size(int width, int height, bool clr_screen)
1.1 root 6652: {
1.1.1.14 root 6653: // clear the existing screen, not just the new one
6654: int clr_height = max(height, scr_height);
6655:
1.1.1.16 root 6656: if(scr_width != width || scr_height != height) {
6657: change_console_size(width, height);
1.1.1.14 root 6658: }
6659: mem[0x462] = 0;
6660: *(UINT16 *)(mem + 0x44e) = 0;
6661:
1.1.1.16 root 6662: text_vram_top_address = pcbios_get_text_vram_address(0);
6663: text_vram_end_address = text_vram_top_address + width * height * 2;
6664: shadow_buffer_top_address = pcbios_get_shadow_buffer_address(0);
6665: shadow_buffer_end_address = shadow_buffer_top_address + width * height * 2;
1.1 root 6666:
1.1.1.23 root 6667: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.16 root 6668: if(clr_screen) {
1.1.1.14 root 6669: for(int ofs = shadow_buffer_top_address; ofs < shadow_buffer_end_address;) {
6670: mem[ofs++] = 0x20;
6671: mem[ofs++] = 0x07;
6672: }
6673:
1.1.1.35 root 6674: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6675: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 6676: #endif
1.1.1.14 root 6677: for(int y = 0; y < clr_height; y++) {
6678: for(int x = 0; x < scr_width; x++) {
6679: SCR_BUF(y,x).Char.AsciiChar = ' ';
6680: SCR_BUF(y,x).Attributes = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
1.1 root 6681: }
6682: }
6683: SMALL_RECT rect;
1.1.1.14 root 6684: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + clr_height - 1);
6685: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
6686: vram_length_char = vram_last_length_char = 0;
6687: vram_length_attr = vram_last_length_attr = 0;
1.1.1.35 root 6688: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6689: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 6690: #endif
1.1 root 6691: }
1.1.1.14 root 6692: COORD co;
6693: co.X = 0;
6694: co.Y = scr_top;
6695: SetConsoleCursorPosition(hStdout, co);
6696: cursor_moved = true;
6697: SetConsoleTextAttribute(hStdout, FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
1.1 root 6698: }
6699:
1.1.1.36 root 6700: void pcbios_update_cursor_position()
6701: {
6702: CONSOLE_SCREEN_BUFFER_INFO csbi;
6703: GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
6704: if(!restore_console_on_exit) {
6705: scr_top = csbi.srWindow.Top;
6706: }
6707: mem[0x450 + mem[0x462] * 2] = csbi.dwCursorPosition.X;
6708: mem[0x451 + mem[0x462] * 2] = csbi.dwCursorPosition.Y - scr_top;
6709: }
6710:
1.1.1.16 root 6711: inline void pcbios_int_10h_00h()
6712: {
6713: switch(REG8(AL) & 0x7f) {
6714: case 0x70: // v-text mode
6715: case 0x71: // extended cga v-text mode
6716: pcbios_set_console_size(scr_width, scr_height, !(REG8(AL) & 0x80));
6717: break;
6718: default:
6719: pcbios_set_console_size(80, 25, !(REG8(AL) & 0x80));
6720: break;
6721: }
6722: if(REG8(AL) & 0x80) {
6723: mem[0x487] |= 0x80;
6724: } else {
6725: mem[0x487] &= ~0x80;
6726: }
6727: mem[0x449] = REG8(AL) & 0x7f;
6728: }
6729:
1.1 root 6730: inline void pcbios_int_10h_01h()
6731: {
1.1.1.13 root 6732: mem[0x460] = REG8(CL);
6733: mem[0x461] = REG8(CH);
1.1.1.14 root 6734:
1.1.1.23 root 6735: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 6736: CONSOLE_CURSOR_INFO ci;
6737: GetConsoleCursorInfo(hStdout, &ci);
6738: // ci.bVisible = !(REG8(CH) & 0x60) && REG8(CH) <= REG8(CL);
6739: // if(ci.bVisible) {
6740: int lines = max(8, REG8(CL) + 1);
6741: ci.dwSize = (REG8(CL) - REG8(CH) + 1) * 100 / lines;
6742: // }
6743: SetConsoleCursorInfo(hStdout, &ci);
1.1 root 6744: }
6745:
6746: inline void pcbios_int_10h_02h()
6747: {
1.1.1.14 root 6748: // continuously setting the cursor effectively stops it blinking
6749: if(mem[0x462] == REG8(BH) && (REG8(DL) != mem[0x450 + REG8(BH) * 2] || REG8(DH) != mem[0x451 + REG8(BH) * 2])) {
1.1 root 6750: COORD co;
6751: co.X = REG8(DL);
1.1.1.14 root 6752: co.Y = REG8(DH) + scr_top;
6753:
6754: // some programs hide the cursor by moving it off screen
6755: static bool hidden = false;
1.1.1.23 root 6756: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 6757: CONSOLE_CURSOR_INFO ci;
6758: GetConsoleCursorInfo(hStdout, &ci);
6759:
6760: if(REG8(DH) >= scr_height || !SetConsoleCursorPosition(hStdout, co)) {
6761: if(ci.bVisible) {
6762: ci.bVisible = FALSE;
6763: // SetConsoleCursorInfo(hStdout, &ci);
6764: hidden = true;
6765: }
6766: } else if(hidden) {
6767: if(!ci.bVisible) {
6768: ci.bVisible = TRUE;
6769: // SetConsoleCursorInfo(hStdout, &ci);
6770: }
6771: hidden = false;
6772: }
1.1 root 6773: }
1.1.1.14 root 6774: mem[0x450 + (REG8(BH) % vram_pages) * 2] = REG8(DL);
6775: mem[0x451 + (REG8(BH) % vram_pages) * 2] = REG8(DH);
1.1 root 6776: }
6777:
6778: inline void pcbios_int_10h_03h()
6779: {
1.1.1.14 root 6780: REG8(DL) = mem[0x450 + (REG8(BH) % vram_pages) * 2];
6781: REG8(DH) = mem[0x451 + (REG8(BH) % vram_pages) * 2];
1.1 root 6782: REG8(CL) = mem[0x460];
6783: REG8(CH) = mem[0x461];
6784: }
6785:
6786: inline void pcbios_int_10h_05h()
6787: {
1.1.1.14 root 6788: if(REG8(AL) >= vram_pages) {
6789: return;
6790: }
6791: if(mem[0x462] != REG8(AL)) {
6792: vram_flush();
6793:
1.1.1.23 root 6794: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 6795: SMALL_RECT rect;
1.1.1.14 root 6796: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + scr_height - 1);
6797: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 6798:
1.1.1.16 root 6799: for(int y = 0, ofs = pcbios_get_shadow_buffer_address(mem[0x462]); y < scr_height; y++) {
1.1.1.14 root 6800: for(int x = 0; x < scr_width; x++) {
6801: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar;
6802: mem[ofs++] = SCR_BUF(y,x).Attributes;
1.1 root 6803: }
6804: }
1.1.1.16 root 6805: for(int y = 0, ofs = pcbios_get_shadow_buffer_address(REG8(AL)); y < scr_height; y++) {
1.1.1.14 root 6806: for(int x = 0; x < scr_width; x++) {
6807: SCR_BUF(y,x).Char.AsciiChar = mem[ofs++];
6808: SCR_BUF(y,x).Attributes = mem[ofs++];
1.1 root 6809: }
6810: }
1.1.1.14 root 6811: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 6812:
6813: COORD co;
1.1.1.14 root 6814: co.X = mem[0x450 + REG8(AL) * 2];
6815: co.Y = mem[0x451 + REG8(AL) * 2] + scr_top;
6816: if(co.Y < scr_top + scr_height) {
6817: SetConsoleCursorPosition(hStdout, co);
6818: }
1.1 root 6819: }
1.1.1.14 root 6820: mem[0x462] = REG8(AL);
6821: *(UINT16 *)(mem + 0x44e) = REG8(AL) * VIDEO_REGEN;
6822: int regen = min(scr_width * scr_height * 2, 0x8000);
1.1.1.16 root 6823: text_vram_top_address = pcbios_get_text_vram_address(mem[0x462]);
1.1.1.14 root 6824: text_vram_end_address = text_vram_top_address + regen;
1.1.1.16 root 6825: shadow_buffer_top_address = pcbios_get_shadow_buffer_address(mem[0x462]);
1.1.1.14 root 6826: shadow_buffer_end_address = shadow_buffer_top_address + regen;
1.1 root 6827: }
6828:
6829: inline void pcbios_int_10h_06h()
6830: {
1.1.1.14 root 6831: if(REG8(CH) >= scr_height || REG8(CH) > REG8(DH) ||
6832: REG8(CL) >= scr_width || REG8(CL) > REG8(DL)) {
6833: return;
6834: }
6835: vram_flush();
6836:
1.1.1.23 root 6837: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 6838: SMALL_RECT rect;
1.1.1.14 root 6839: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + scr_height - 1);
6840: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
6841:
6842: int right = min(REG8(DL), scr_width - 1);
6843: int bottom = min(REG8(DH), scr_height - 1);
1.1 root 6844:
6845: if(REG8(AL) == 0) {
1.1.1.14 root 6846: for(int y = REG8(CH); y <= bottom; y++) {
1.1.1.16 root 6847: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 6848: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar = ' ';
6849: mem[ofs++] = SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 6850: }
6851: }
6852: } else {
1.1.1.14 root 6853: for(int y = REG8(CH), y2 = min(REG8(CH) + REG8(AL), bottom + 1); y <= bottom; y++, y2++) {
1.1.1.16 root 6854: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 6855: if(y2 <= bottom) {
6856: SCR_BUF(y,x) = SCR_BUF(y2,x);
1.1 root 6857: } else {
1.1.1.14 root 6858: SCR_BUF(y,x).Char.AsciiChar = ' ';
6859: SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 6860: }
1.1.1.14 root 6861: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar;
6862: mem[ofs++] = SCR_BUF(y,x).Attributes;
1.1 root 6863: }
6864: }
6865: }
1.1.1.14 root 6866: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 6867: }
6868:
6869: inline void pcbios_int_10h_07h()
6870: {
1.1.1.14 root 6871: if(REG8(CH) >= scr_height || REG8(CH) > REG8(DH) ||
6872: REG8(CL) >= scr_width || REG8(CL) > REG8(DL)) {
6873: return;
6874: }
6875: vram_flush();
6876:
1.1.1.23 root 6877: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 6878: SMALL_RECT rect;
1.1.1.14 root 6879: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + scr_height - 1);
6880: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
6881:
6882: int right = min(REG8(DL), scr_width - 1);
6883: int bottom = min(REG8(DH), scr_height - 1);
1.1 root 6884:
6885: if(REG8(AL) == 0) {
1.1.1.14 root 6886: for(int y = REG8(CH); y <= bottom; y++) {
1.1.1.16 root 6887: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 6888: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar = ' ';
6889: mem[ofs++] = SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 6890: }
6891: }
6892: } else {
1.1.1.14 root 6893: for(int y = bottom, y2 = max(REG8(CH) - 1, bottom - REG8(AL)); y >= REG8(CH); y--, y2--) {
1.1.1.16 root 6894: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 6895: if(y2 >= REG8(CH)) {
6896: SCR_BUF(y,x) = SCR_BUF(y2,x);
1.1 root 6897: } else {
1.1.1.14 root 6898: SCR_BUF(y,x).Char.AsciiChar = ' ';
6899: SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 6900: }
1.1.1.14 root 6901: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar;
6902: mem[ofs++] = SCR_BUF(y,x).Attributes;
1.1 root 6903: }
6904: }
6905: }
1.1.1.14 root 6906: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 6907: }
6908:
6909: inline void pcbios_int_10h_08h()
6910: {
6911: COORD co;
6912: DWORD num;
6913:
1.1.1.14 root 6914: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
6915: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
1.1 root 6916:
6917: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 6918: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 6919: co.Y += scr_top;
6920: vram_flush();
1.1 root 6921: ReadConsoleOutputCharacter(hStdout, scr_char, 1, co, &num);
6922: ReadConsoleOutputAttribute(hStdout, scr_attr, 1, co, &num);
6923: REG8(AL) = scr_char[0];
6924: REG8(AH) = scr_attr[0];
6925: } else {
1.1.1.16 root 6926: REG16(AX) = *(UINT16 *)(mem + pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y));
1.1 root 6927: }
6928: }
6929:
6930: inline void pcbios_int_10h_09h()
6931: {
6932: COORD co;
6933:
1.1.1.14 root 6934: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
6935: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
6936:
1.1.1.16 root 6937: int dest = pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y);
6938: int end = min(dest + REG16(CX) * 2, pcbios_get_shadow_buffer_address(REG8(BH), 0, scr_height));
1.1 root 6939:
6940: if(mem[0x462] == REG8(BH)) {
1.1.1.35 root 6941: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6942: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 6943: #endif
1.1.1.16 root 6944: int vram = pcbios_get_shadow_buffer_address(REG8(BH));
1.1.1.14 root 6945: while(dest < end) {
6946: write_text_vram_char(dest - vram, REG8(AL));
6947: mem[dest++] = REG8(AL);
6948: write_text_vram_attr(dest - vram, REG8(BL));
6949: mem[dest++] = REG8(BL);
1.1 root 6950: }
1.1.1.35 root 6951: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6952: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 6953: #endif
1.1 root 6954: } else {
1.1.1.14 root 6955: while(dest < end) {
1.1 root 6956: mem[dest++] = REG8(AL);
6957: mem[dest++] = REG8(BL);
6958: }
6959: }
6960: }
6961:
6962: inline void pcbios_int_10h_0ah()
6963: {
6964: COORD co;
6965:
1.1.1.14 root 6966: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
6967: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
6968:
1.1.1.16 root 6969: int dest = pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y);
6970: int end = min(dest + REG16(CX) * 2, pcbios_get_shadow_buffer_address(REG8(BH), 0, scr_height));
1.1 root 6971:
6972: if(mem[0x462] == REG8(BH)) {
1.1.1.35 root 6973: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6974: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 6975: #endif
1.1.1.16 root 6976: int vram = pcbios_get_shadow_buffer_address(REG8(BH));
1.1.1.14 root 6977: while(dest < end) {
6978: write_text_vram_char(dest - vram, REG8(AL));
6979: mem[dest++] = REG8(AL);
6980: dest++;
1.1 root 6981: }
1.1.1.35 root 6982: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6983: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 6984: #endif
1.1 root 6985: } else {
1.1.1.14 root 6986: while(dest < end) {
1.1 root 6987: mem[dest++] = REG8(AL);
6988: dest++;
6989: }
6990: }
6991: }
6992:
1.1.1.40 root 6993: HDC get_console_window_device_context()
6994: {
6995: static HWND hwndFound = 0;
6996:
6997: if(hwndFound == 0) {
6998: // https://support.microsoft.com/en-us/help/124103/how-to-obtain-a-console-window-handle-hwnd
6999: char pszNewWindowTitle[1024];
7000: char pszOldWindowTitle[1024];
7001:
7002: GetConsoleTitle(pszOldWindowTitle, 1024);
7003: wsprintf(pszNewWindowTitle,"%d/%d", GetTickCount(), GetCurrentProcessId());
7004: SetConsoleTitle(pszNewWindowTitle);
7005: Sleep(100);
7006: hwndFound = FindWindow(NULL, pszNewWindowTitle);
7007: SetConsoleTitle(pszOldWindowTitle);
7008: }
7009: return GetDC(hwndFound);
7010: }
7011:
7012: inline void pcbios_int_10h_0ch()
7013: {
7014: HDC hdc = get_console_window_device_context();
7015:
7016: if(hdc != NULL) {
7017: BYTE r = (REG8(AL) & 2) ? 255 : 0;
7018: BYTE g = (REG8(AL) & 4) ? 255 : 0;
7019: BYTE b = (REG8(AL) & 1) ? 255 : 0;
7020:
7021: if(REG8(AL) & 0x80) {
7022: COLORREF color = GetPixel(hdc, REG16(CX), REG16(DX));
7023: if(color != CLR_INVALID) {
7024: r ^= ((DWORD)color & 0x0000ff) ? 255 : 0;
7025: g ^= ((DWORD)color & 0x00ff00) ? 255 : 0;
7026: b ^= ((DWORD)color & 0xff0000) ? 255 : 0;
7027: }
7028: }
7029: SetPixel(hdc, REG16(CX), REG16(DX), RGB(r, g, b));
7030: }
7031: }
7032:
7033: inline void pcbios_int_10h_0dh()
7034: {
7035: HDC hdc = get_console_window_device_context();
7036: BYTE r = 0;
7037: BYTE g = 0;
7038: BYTE b = 0;
7039:
7040: if(hdc != NULL) {
7041: COLORREF color = GetPixel(hdc, REG16(CX), REG16(DX));
7042: if(color != CLR_INVALID) {
7043: r = ((DWORD)color & 0x0000ff) ? 255 : 0;
7044: g = ((DWORD)color & 0x00ff00) ? 255 : 0;
7045: b = ((DWORD)color & 0xff0000) ? 255 : 0;
7046: }
7047: }
7048: REG8(AL) = ((b != 0) ? 1 : 0) | ((r != 0) ? 2 : 0) | ((g != 0) ? 4 : 0);
7049: }
7050:
1.1 root 7051: inline void pcbios_int_10h_0eh()
7052: {
1.1.1.14 root 7053: DWORD num;
7054: COORD co;
7055:
7056: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
7057: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
7058:
7059: if(REG8(AL) == 7) {
7060: //MessageBeep(-1);
7061: } else if(REG8(AL) == 8 || REG8(AL) == 10 || REG8(AL) == 13) {
7062: if(REG8(AL) == 10) {
7063: vram_flush();
7064: }
1.1.1.23 root 7065: WriteConsole(GetStdHandle(STD_OUTPUT_HANDLE), ®8(AL), 1, &num, NULL);
1.1.1.14 root 7066: cursor_moved = true;
7067: } else {
1.1.1.16 root 7068: int dest = pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y);
1.1.1.14 root 7069: if(mem[0x462] == REG8(BH)) {
1.1.1.35 root 7070: #ifdef USE_VRAM_THREAD
1.1.1.14 root 7071: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 7072: #endif
1.1.1.16 root 7073: int vram = pcbios_get_shadow_buffer_address(REG8(BH));
1.1.1.14 root 7074: write_text_vram_char(dest - vram, REG8(AL));
1.1.1.35 root 7075: #ifdef USE_VRAM_THREAD
1.1.1.14 root 7076: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 7077: #endif
1.1.1.14 root 7078:
1.1.1.23 root 7079: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 7080: if(++co.X == scr_width) {
7081: co.X = 0;
7082: if(++co.Y == scr_height) {
7083: vram_flush();
7084: WriteConsole(hStdout, "\n", 1, &num, NULL);
7085: cursor_moved = true;
7086: }
7087: }
7088: if(!cursor_moved) {
7089: co.Y += scr_top;
7090: SetConsoleCursorPosition(hStdout, co);
7091: cursor_moved = true;
7092: }
7093: }
7094: mem[dest] = REG8(AL);
7095: }
1.1 root 7096: }
7097:
7098: inline void pcbios_int_10h_0fh()
7099: {
7100: REG8(AL) = mem[0x449];
7101: REG8(AH) = mem[0x44a];
7102: REG8(BH) = mem[0x462];
7103: }
7104:
1.1.1.14 root 7105: inline void pcbios_int_10h_11h()
7106: {
7107: switch(REG8(AL)) {
1.1.1.16 root 7108: case 0x01:
1.1.1.14 root 7109: case 0x11:
1.1.1.16 root 7110: pcbios_set_console_size(80, 28, true);
1.1.1.14 root 7111: break;
1.1.1.16 root 7112: case 0x02:
1.1.1.14 root 7113: case 0x12:
1.1.1.16 root 7114: pcbios_set_console_size(80, 50, true);
1.1.1.14 root 7115: break;
1.1.1.16 root 7116: case 0x04:
1.1.1.14 root 7117: case 0x14:
1.1.1.16 root 7118: pcbios_set_console_size(80, 25, true);
7119: break;
7120: case 0x18:
7121: pcbios_set_console_size(80, 50, true);
1.1.1.14 root 7122: break;
7123: case 0x30:
7124: SREG(ES) = 0;
7125: i386_load_segment_descriptor(ES);
7126: REG16(BP) = 0;
7127: REG16(CX) = mem[0x485];
7128: REG8(DL) = mem[0x484];
7129: break;
7130: }
7131: }
7132:
7133: inline void pcbios_int_10h_12h()
7134: {
1.1.1.16 root 7135: switch(REG8(BL)) {
7136: case 0x10:
1.1.1.14 root 7137: REG16(BX) = 0x0003;
7138: REG16(CX) = 0x0009;
1.1.1.16 root 7139: break;
1.1.1.14 root 7140: }
7141: }
7142:
1.1 root 7143: inline void pcbios_int_10h_13h()
7144: {
1.1.1.3 root 7145: int ofs = SREG_BASE(ES) + REG16(BP);
1.1 root 7146: COORD co;
7147: DWORD num;
7148:
7149: co.X = REG8(DL);
1.1.1.14 root 7150: co.Y = REG8(DH) + scr_top;
7151:
7152: vram_flush();
1.1 root 7153:
7154: switch(REG8(AL)) {
7155: case 0x00:
7156: case 0x01:
7157: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 7158: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 7159: CONSOLE_SCREEN_BUFFER_INFO csbi;
7160: GetConsoleScreenBufferInfo(hStdout, &csbi);
7161: SetConsoleCursorPosition(hStdout, co);
7162:
7163: if(csbi.wAttributes != REG8(BL)) {
7164: SetConsoleTextAttribute(hStdout, REG8(BL));
7165: }
1.1.1.14 root 7166: WriteConsole(hStdout, &mem[ofs], REG16(CX), &num, NULL);
7167:
1.1 root 7168: if(csbi.wAttributes != REG8(BL)) {
7169: SetConsoleTextAttribute(hStdout, csbi.wAttributes);
7170: }
7171: if(REG8(AL) == 0x00) {
1.1.1.15 root 7172: if(!restore_console_on_exit) {
7173: GetConsoleScreenBufferInfo(hStdout, &csbi);
7174: scr_top = csbi.srWindow.Top;
7175: }
1.1.1.14 root 7176: co.X = mem[0x450 + REG8(BH) * 2];
7177: co.Y = mem[0x451 + REG8(BH) * 2] + scr_top;
1.1 root 7178: SetConsoleCursorPosition(hStdout, co);
7179: } else {
7180: cursor_moved = true;
7181: }
7182: } else {
1.1.1.3 root 7183: m_CF = 1;
1.1 root 7184: }
7185: break;
7186: case 0x02:
7187: case 0x03:
7188: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 7189: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 7190: CONSOLE_SCREEN_BUFFER_INFO csbi;
7191: GetConsoleScreenBufferInfo(hStdout, &csbi);
7192: SetConsoleCursorPosition(hStdout, co);
7193:
7194: WORD wAttributes = csbi.wAttributes;
7195: for(int i = 0; i < REG16(CX); i++, ofs += 2) {
7196: if(wAttributes != mem[ofs + 1]) {
7197: SetConsoleTextAttribute(hStdout, mem[ofs + 1]);
7198: wAttributes = mem[ofs + 1];
7199: }
1.1.1.14 root 7200: WriteConsole(hStdout, &mem[ofs], 1, &num, NULL);
1.1 root 7201: }
7202: if(csbi.wAttributes != wAttributes) {
7203: SetConsoleTextAttribute(hStdout, csbi.wAttributes);
7204: }
7205: if(REG8(AL) == 0x02) {
1.1.1.14 root 7206: co.X = mem[0x450 + REG8(BH) * 2];
7207: co.Y = mem[0x451 + REG8(BH) * 2] + scr_top;
1.1 root 7208: SetConsoleCursorPosition(hStdout, co);
7209: } else {
7210: cursor_moved = true;
7211: }
7212: } else {
1.1.1.3 root 7213: m_CF = 1;
1.1 root 7214: }
7215: break;
7216: case 0x10:
7217: case 0x11:
7218: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 7219: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 7220: ReadConsoleOutputCharacter(hStdout, scr_char, REG16(CX), co, &num);
7221: ReadConsoleOutputAttribute(hStdout, scr_attr, REG16(CX), co, &num);
7222: for(int i = 0; i < num; i++) {
7223: mem[ofs++] = scr_char[i];
7224: mem[ofs++] = scr_attr[i];
1.1.1.45 root 7225: if(REG8(AL) & 0x01) {
1.1 root 7226: mem[ofs++] = 0;
7227: mem[ofs++] = 0;
7228: }
7229: }
7230: } else {
1.1.1.16 root 7231: 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 7232: mem[ofs++] = mem[src++];
7233: mem[ofs++] = mem[src++];
1.1.1.45 root 7234: if(REG8(AL) & 0x01) {
1.1 root 7235: mem[ofs++] = 0;
7236: mem[ofs++] = 0;
7237: }
1.1.1.14 root 7238: if(++co.X == scr_width) {
7239: if(++co.Y == scr_height) {
1.1 root 7240: break;
7241: }
7242: co.X = 0;
7243: }
7244: }
7245: }
7246: break;
1.1.1.45 root 7247: case 0x12: // ???
7248: case 0x13: // ???
1.1 root 7249: case 0x20:
7250: case 0x21:
7251: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 7252: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 7253: int len = min(REG16(CX), scr_width * scr_height);
7254: for(int i = 0; i < len; i++) {
1.1 root 7255: scr_char[i] = mem[ofs++];
7256: scr_attr[i] = mem[ofs++];
1.1.1.45 root 7257: if(REG8(AL) & 0x01) {
1.1 root 7258: ofs += 2;
7259: }
7260: }
1.1.1.14 root 7261: WriteConsoleOutputCharacter(hStdout, scr_char, len, co, &num);
7262: WriteConsoleOutputAttribute(hStdout, scr_attr, len, co, &num);
1.1 root 7263: } else {
1.1.1.16 root 7264: 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 7265: mem[dest++] = mem[ofs++];
7266: mem[dest++] = mem[ofs++];
1.1.1.45 root 7267: if(REG8(AL) & 0x01) {
1.1 root 7268: ofs += 2;
7269: }
1.1.1.14 root 7270: if(++co.X == scr_width) {
7271: if(++co.Y == scr_height) {
1.1 root 7272: break;
7273: }
7274: co.X = 0;
7275: }
7276: }
7277: }
7278: break;
7279: default:
1.1.1.22 root 7280: 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 7281: m_CF = 1;
1.1 root 7282: break;
7283: }
7284: }
7285:
1.1.1.30 root 7286: inline void pcbios_int_10h_18h()
7287: {
7288: switch(REG8(AL)) {
7289: case 0x00:
7290: case 0x01:
7291: // REG8(AL) = 0x86;
7292: REG8(AL) = 0x00;
7293: break;
7294: default:
7295: 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));
7296: m_CF = 1;
7297: break;
7298: }
7299: }
7300:
1.1.1.14 root 7301: inline void pcbios_int_10h_1ah()
7302: {
7303: switch(REG8(AL)) {
7304: case 0x00:
7305: REG8(AL) = 0x1a;
7306: REG8(BL) = 0x08;
7307: REG8(BH) = 0x00;
7308: break;
7309: default:
1.1.1.22 root 7310: 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 7311: m_CF = 1;
7312: break;
7313: }
7314: }
7315:
1.1 root 7316: inline void pcbios_int_10h_1dh()
7317: {
7318: switch(REG8(AL)) {
1.1.1.43 root 7319: case 0x00:
7320: // DOS/V Shift Status Line Control is not supported
7321: m_CF = 1;
7322: break;
1.1 root 7323: case 0x01:
7324: break;
7325: case 0x02:
7326: REG16(BX) = 0;
7327: break;
7328: default:
1.1.1.22 root 7329: 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));
7330: m_CF = 1;
7331: break;
7332: }
7333: }
7334:
7335: inline void pcbios_int_10h_4fh()
7336: {
7337: switch(REG8(AL)) {
7338: case 0x00:
7339: REG8(AH) = 0x02; // not supported
7340: break;
7341: case 0x01:
7342: case 0x02:
7343: case 0x03:
7344: case 0x04:
7345: case 0x05:
7346: case 0x06:
7347: case 0x07:
7348: case 0x08:
7349: case 0x09:
7350: case 0x0a:
7351: case 0x0b:
7352: case 0x0c:
7353: REG8(AH) = 0x01; // failed
7354: break;
7355: default:
7356: 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 7357: m_CF = 1;
1.1 root 7358: break;
7359: }
7360: }
7361:
7362: inline void pcbios_int_10h_82h()
7363: {
7364: static UINT8 mode = 0;
7365:
7366: switch(REG8(AL)) {
1.1.1.22 root 7367: case 0x00:
1.1 root 7368: if(REG8(BL) != 0xff) {
7369: mode = REG8(BL);
7370: }
7371: REG8(AL) = mode;
7372: break;
7373: default:
1.1.1.22 root 7374: 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 7375: m_CF = 1;
1.1 root 7376: break;
7377: }
7378: }
7379:
1.1.1.22 root 7380: inline void pcbios_int_10h_83h()
7381: {
7382: static UINT8 mode = 0;
7383:
7384: switch(REG8(AL)) {
7385: case 0x00:
7386: REG16(AX) = 0; // offset???
7387: SREG(ES) = (SHADOW_BUF_TOP >> 4);
7388: i386_load_segment_descriptor(ES);
7389: REG16(BX) = (SHADOW_BUF_TOP & 0x0f);
7390: break;
7391: default:
7392: 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));
7393: m_CF = 1;
7394: break;
7395: }
7396: }
7397:
7398: inline void pcbios_int_10h_90h()
7399: {
7400: REG8(AL) = mem[0x449];
7401: }
7402:
7403: inline void pcbios_int_10h_91h()
7404: {
7405: REG8(AL) = 0x04; // VGA
7406: }
7407:
7408: inline void pcbios_int_10h_efh()
7409: {
7410: REG16(DX) = 0xffff;
7411: }
7412:
1.1 root 7413: inline void pcbios_int_10h_feh()
7414: {
7415: if(mem[0x449] == 0x03 || mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.8 root 7416: SREG(ES) = (SHADOW_BUF_TOP >> 4);
1.1.1.3 root 7417: i386_load_segment_descriptor(ES);
1.1.1.8 root 7418: REG16(DI) = (SHADOW_BUF_TOP & 0x0f);
1.1 root 7419: }
7420: int_10h_feh_called = true;
7421: }
7422:
7423: inline void pcbios_int_10h_ffh()
7424: {
7425: if(mem[0x449] == 0x03 || mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.23 root 7426: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 7427: COORD co;
7428: DWORD num;
7429:
1.1.1.14 root 7430: vram_flush();
7431:
7432: co.X = (REG16(DI) >> 1) % scr_width;
7433: co.Y = (REG16(DI) >> 1) / scr_width;
1.1.1.16 root 7434: int ofs = pcbios_get_shadow_buffer_address(0, co.X, co.Y);
7435: int end = min(ofs + REG16(CX) * 2, pcbios_get_shadow_buffer_address(0, 0, scr_height));
1.1.1.14 root 7436: int len;
7437: for(len = 0; ofs < end; len++) {
7438: scr_char[len] = mem[ofs++];
7439: scr_attr[len] = mem[ofs++];
7440: }
7441: co.Y += scr_top;
7442: WriteConsoleOutputCharacter(hStdout, scr_char, len, co, &num);
7443: WriteConsoleOutputAttribute(hStdout, scr_attr, len, co, &num);
1.1 root 7444: }
7445: int_10h_ffh_called = true;
7446: }
7447:
1.1.1.42 root 7448: int pcbios_update_drive_param(int drive_num, int force_update)
7449: {
7450: if(drive_num >= 0 && drive_num < 26) {
7451: drive_param_t *drive_param = &drive_params[drive_num];
7452:
7453: if(force_update || !drive_param->initialized) {
7454: drive_param->valid = 0;
7455: char dev[64];
7456: sprintf(dev, "\\\\.\\%c:", 'A' + drive_num);
7457:
7458: HANDLE hFile = CreateFile(dev, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
7459: if(hFile != INVALID_HANDLE_VALUE) {
7460: DWORD dwSize;
7461: if(DeviceIoControl(hFile, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0, &drive_param->geometry, sizeof(DISK_GEOMETRY), &dwSize, NULL)) {
7462: drive_param->valid = 1;
7463: }
7464: CloseHandle(hFile);
7465: }
7466: drive_param->initialized = 1;
7467: }
7468: return(drive_param->valid);
7469: }
7470: return(0);
7471: }
7472:
7473: inline void pcbios_int_13h_00h()
7474: {
7475: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7476:
7477: if(pcbios_update_drive_param(drive_num, 1)) {
7478: REG8(AH) = 0x00; // successful completion
7479: } else {
7480: if(REG8(DL) & 0x80) {
7481: REG8(AH) = 0x05; // reset failed (hard disk)
7482: } else {
7483: REG8(AH) = 0x80; // timeout (not ready)
7484: }
7485: m_CF = 1;
7486: }
7487: }
7488:
7489: inline void pcbios_int_13h_02h()
7490: {
7491: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7492:
7493: if(REG8(AL) == 0) {
7494: REG8(AH) = 0x01; // invalid function in AH or invalid parameter
7495: m_CF = 1;
7496: } else if(!pcbios_update_drive_param(drive_num, 0)) {
7497: REG8(AH) = 0xff; // sense operation failed (hard disk)
7498: m_CF = 1;
7499: } else {
7500: drive_param_t *drive_param = &drive_params[drive_num];
7501: DISK_GEOMETRY *geo = &drive_param->geometry;
7502: char dev[64];
7503: sprintf(dev, "\\\\.\\%c:", 'A' + drive_num);
7504:
7505: HANDLE hFile = CreateFile(dev, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
7506: if(hFile == INVALID_HANDLE_VALUE) {
7507: REG8(AH) = 0xff; // sense operation failed (hard disk)
7508: m_CF = 1;
7509: } else {
7510: UINT32 sector_num = REG8(AL);
7511: UINT32 cylinder = REG8(CH) | ((REG8(CL) & 0xc0) << 2);
7512: UINT32 head = REG8(DH);
7513: UINT32 sector = REG8(CL) & 0x3f;
7514: UINT32 top_sector = ((cylinder * drive_param->head_num() + head) * geo->SectorsPerTrack) + sector - 1;
7515: UINT32 buffer_addr = SREG_BASE(ES) + REG16(BX);
7516: DWORD dwSize;
7517:
7518: // if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
7519: // REG8(AH) = 0xff; // sense operation failed (hard disk)
7520: // m_CF = 1;
7521: // } else
7522: if(SetFilePointer(hFile, top_sector * geo->BytesPerSector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
7523: REG8(AH) = 0x04; // sector not found/read error
7524: m_CF = 1;
7525: } else if(ReadFile(hFile, mem + buffer_addr, sector_num * geo->BytesPerSector, &dwSize, NULL) == 0) {
7526: REG8(AH) = 0x04; // sector not found/read error
7527: m_CF = 1;
7528: } else {
7529: REG8(AH) = 0x00; // successful completion
7530: }
7531: CloseHandle(hFile);
7532: }
7533: }
7534: }
7535:
7536: inline void pcbios_int_13h_03h()
7537: {
7538: // this operation may cause serious damage for drives, so support only floppy disk...
7539: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7540:
7541: if(REG8(AL) == 0) {
7542: REG8(AH) = 0x01; // invalid function in AH or invalid parameter
7543: m_CF = 1;
7544: } else if(!pcbios_update_drive_param(drive_num, 0)) {
7545: REG8(AH) = 0xff; // sense operation failed (hard disk)
7546: m_CF = 1;
7547: } else if(!drive_params[drive_num].is_fdd()) {
7548: REG8(AH) = 0xff; // sense operation failed (hard disk)
7549: m_CF = 1;
7550: } else {
7551: drive_param_t *drive_param = &drive_params[drive_num];
7552: DISK_GEOMETRY *geo = &drive_param->geometry;
7553: char dev[64];
7554: sprintf(dev, "\\\\.\\%c:", 'A' + drive_num);
7555:
7556: HANDLE hFile = CreateFile(dev, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
7557: if(hFile == INVALID_HANDLE_VALUE) {
7558: REG8(AH) = 0xff; // sense operation failed (hard disk)
7559: m_CF = 1;
7560: } else {
7561: UINT32 sector_num = REG8(AL);
7562: UINT32 cylinder = REG8(CH) | ((REG8(CL) & 0xc0) << 2);
7563: UINT32 head = REG8(DH);
7564: UINT32 sector = REG8(CL) & 0x3f;
7565: UINT32 top_sector = ((cylinder * drive_param->head_num() + head) * geo->SectorsPerTrack) + sector - 1;
7566: UINT32 buffer_addr = SREG_BASE(ES) + REG16(BX);
7567: DWORD dwSize;
7568:
7569: // if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
7570: // REG8(AH) = 0xff; // sense operation failed (hard disk)
7571: // m_CF = 1;
7572: // } else
7573: if(SetFilePointer(hFile, top_sector * geo->BytesPerSector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
7574: REG8(AH) = 0x04; // sector not found/read error
7575: m_CF = 1;
7576: } else if(WriteFile(hFile, mem + buffer_addr, sector_num * geo->BytesPerSector, &dwSize, NULL) == 0) {
7577: REG8(AH) = 0x04; // sector not found/read error
7578: m_CF = 1;
7579: } else {
7580: REG8(AH) = 0x00; // successful completion
7581: }
7582: CloseHandle(hFile);
7583: }
7584: }
7585: }
7586:
7587: inline void pcbios_int_13h_04h()
7588: {
7589: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7590:
7591: if(REG8(AL) == 0) {
7592: REG8(AH) = 0x01; // invalid function in AH or invalid parameter
7593: m_CF = 1;
7594: } else if(!pcbios_update_drive_param(drive_num, 0)) {
7595: REG8(AH) = 0xff; // sense operation failed (hard disk)
7596: m_CF = 1;
7597: } else {
7598: drive_param_t *drive_param = &drive_params[drive_num];
7599: DISK_GEOMETRY *geo = &drive_param->geometry;
7600: char dev[64];
7601: sprintf(dev, "\\\\.\\%c:", 'A' + drive_num);
7602:
7603: HANDLE hFile = CreateFile(dev, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
7604: if(hFile == INVALID_HANDLE_VALUE) {
7605: REG8(AH) = 0xff; // sense operation failed (hard disk)
7606: m_CF = 1;
7607: } else {
7608: UINT32 sector_num = REG8(AL);
7609: UINT32 cylinder = REG8(CH) | ((REG8(CL) & 0xc0) << 2);
7610: UINT32 head = REG8(DH);
7611: UINT32 sector = REG8(CL) & 0x3f;
7612: UINT32 top_sector = ((cylinder * drive_param->head_num() + head) * geo->SectorsPerTrack) + sector - 1;
7613: UINT32 buffer_addr = SREG_BASE(ES) + REG16(BX);
7614: DWORD dwSize;
7615: UINT8 *tmp_buffer = (UINT8 *)malloc(sector_num * geo->BytesPerSector);
7616:
7617: // if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
7618: // REG8(AH) = 0xff; // sense operation failed (hard disk)
7619: // m_CF = 1;
7620: // } else
7621: if(SetFilePointer(hFile, top_sector * geo->BytesPerSector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
7622: REG8(AH) = 0x04; // sector not found/read error
7623: m_CF = 1;
7624: } else if(ReadFile(hFile, tmp_buffer, sector_num * geo->BytesPerSector, &dwSize, NULL) == 0) {
7625: REG8(AH) = 0x04; // sector not found/read error
7626: m_CF = 1;
7627: } else if(memcmp(mem + buffer_addr, tmp_buffer, sector_num * geo->BytesPerSector) != 0) {
7628: REG8(AH) = 0x05; // data did not verify correctly (TI Professional PC)
7629: m_CF = 1;
7630: } else {
7631: REG8(AH) = 0x00; // successful completion
7632: }
7633: free(tmp_buffer);
7634: CloseHandle(hFile);
7635: }
7636: }
7637: }
7638:
7639: inline void pcbios_int_13h_08h()
7640: {
7641: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7642:
7643: if(pcbios_update_drive_param(drive_num, 1)) {
7644: drive_param_t *drive_param = &drive_params[drive_num];
7645: DISK_GEOMETRY *geo = &drive_param->geometry;
7646:
7647: REG16(AX) = 0x0000;
7648: switch(geo->MediaType) {
7649: case F5_360_512:
7650: case F5_320_512:
7651: case F5_320_1024:
7652: case F5_180_512:
7653: case F5_160_512:
7654: REG8(BL) = 0x01; // 320K/360K disk
7655: break;
7656: case F5_1Pt2_512:
7657: case F3_1Pt2_512:
7658: case F3_1Pt23_1024:
7659: case F5_1Pt23_1024:
7660: REG8(BL) = 0x02; // 1.2M disk
7661: break;
7662: case F3_720_512:
7663: case F3_640_512:
7664: case F5_640_512:
7665: case F5_720_512:
7666: REG8(BL) = 0x03; // 720K disk
7667: break;
7668: case F3_1Pt44_512:
7669: REG8(BL) = 0x04; // 1.44M disk
7670: break;
7671: case F3_2Pt88_512:
7672: REG8(BL) = 0x06; // 2.88M disk
7673: break;
7674: case RemovableMedia:
7675: REG8(BL) = 0x10; // ATAPI Removable Media Device
7676: break;
7677: default:
7678: REG8(BL) = 0x00; // unknown
7679: break;
7680: }
7681: if(REG8(DL) & 0x80) {
7682: switch(GetLogicalDrives() & 0x0c) {
7683: case 0x00: REG8(DL) = 0x00; break;
7684: case 0x04:
7685: case 0x08: REG8(DL) = 0x01; break;
7686: case 0x0c: REG8(DL) = 0x02; break;
7687: }
7688: } else {
7689: switch(GetLogicalDrives() & 0x03) {
7690: case 0x00: REG8(DL) = 0x00; break;
7691: case 0x01:
7692: case 0x02: REG8(DL) = 0x01; break;
7693: case 0x03: REG8(DL) = 0x02; break;
7694: }
7695: }
7696: REG8(DH) = drive_param->head_num();
7697: int cyl = (geo->Cylinders.QuadPart > 0x3ff) ? 0x3ff : geo->Cylinders.QuadPart;
7698: int sec = (geo->SectorsPerTrack > 0x3f) ? 0x3f : geo->SectorsPerTrack;
7699: REG8(CH) = cyl & 0xff;
7700: REG8(CL) = (sec & 0x3f) | ((cyl & 0x300) >> 2);
7701: } else {
7702: REG8(AH) = 0x07;
7703: m_CF = 1;
7704: }
7705: }
7706:
7707: inline void pcbios_int_13h_10h()
7708: {
7709: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7710:
7711: if(pcbios_update_drive_param(drive_num, 1)) {
7712: REG8(AH) = 0x00; // successful completion
7713: } else {
7714: if(REG8(DL) & 0x80) {
7715: REG8(AH) = 0xaa; // drive not ready (hard disk)
7716: } else {
7717: REG8(AH) = 0x80; // timeout (not ready)
7718: }
7719: m_CF = 1;
7720: }
7721: }
7722:
7723: inline void pcbios_int_13h_15h()
7724: {
7725: int drive_num = (REG8(DL) & 0x80) ? ((REG8(DL) & 0x7f) + 2) : (REG8(DL) < 2) ? REG8(DL) : -1;
7726:
7727: if(pcbios_update_drive_param(drive_num, 1)) {
7728: if(REG8(DL) & 0x80) {
7729: REG8(AH) = 0x02; // floppy (or other removable drive) with change-line support
7730: } else {
7731: REG8(AH) = 0x03; // hard disk
7732: }
7733: } else {
7734: REG8(AH) = 0x00; // no such drive
7735: }
7736: }
7737:
1.1.1.43 root 7738: inline void pcbios_int_13h_41h()
7739: {
7740: if(REG16(BX) == 0x55aa) {
7741: // IBM/MS INT 13 Extensions is not installed
7742: REG8(AH) = 0x01;
7743: m_CF = 1;
7744: } else {
7745: 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));
7746: REG8(AH) = 0x01;
7747: m_CF = 1;
7748: }
7749: }
7750:
1.1.1.25 root 7751: inline void pcbios_int_14h_00h()
7752: {
1.1.1.29 root 7753: if(REG16(DX) < 4) {
1.1.1.25 root 7754: static const unsigned int rate[] = {110, 150, 300, 600, 1200, 2400, 4800, 9600};
7755: UINT8 selector = sio_read(REG16(DX), 3);
7756: selector &= ~0x3f;
7757: selector |= REG8(AL) & 0x1f;
7758: UINT16 divisor = 115200 / rate[REG8(AL) >> 5];
7759: sio_write(REG16(DX), 3, selector | 0x80);
7760: sio_write(REG16(DX), 0, divisor & 0xff);
7761: sio_write(REG16(DX), 1, divisor >> 8);
7762: sio_write(REG16(DX), 3, selector);
7763: REG8(AH) = sio_read(REG16(DX), 5);
7764: REG8(AL) = sio_read(REG16(DX), 6);
7765: } else {
7766: REG8(AH) = 0x80;
7767: }
7768: }
7769:
7770: inline void pcbios_int_14h_01h()
7771: {
1.1.1.29 root 7772: if(REG16(DX) < 4) {
1.1.1.25 root 7773: UINT8 selector = sio_read(REG16(DX), 3);
7774: sio_write(REG16(DX), 3, selector & ~0x80);
7775: sio_write(REG16(DX), 0, REG8(AL));
7776: sio_write(REG16(DX), 3, selector);
7777: REG8(AH) = sio_read(REG16(DX), 5);
7778: } else {
7779: REG8(AH) = 0x80;
7780: }
7781: }
7782:
7783: inline void pcbios_int_14h_02h()
7784: {
1.1.1.29 root 7785: if(REG16(DX) < 4) {
1.1.1.25 root 7786: UINT8 selector = sio_read(REG16(DX), 3);
7787: sio_write(REG16(DX), 3, selector & ~0x80);
7788: REG8(AL) = sio_read(REG16(DX), 0);
7789: sio_write(REG16(DX), 3, selector);
7790: REG8(AH) = sio_read(REG16(DX), 5);
7791: } else {
7792: REG8(AH) = 0x80;
7793: }
7794: }
7795:
7796: inline void pcbios_int_14h_03h()
7797: {
1.1.1.29 root 7798: if(REG16(DX) < 4) {
1.1.1.25 root 7799: REG8(AH) = sio_read(REG16(DX), 5);
7800: REG8(AL) = sio_read(REG16(DX), 6);
7801: } else {
7802: REG8(AH) = 0x80;
7803: }
7804: }
7805:
7806: inline void pcbios_int_14h_04h()
7807: {
1.1.1.29 root 7808: if(REG16(DX) < 4) {
1.1.1.25 root 7809: UINT8 selector = sio_read(REG16(DX), 3);
7810: if(REG8(CH) <= 0x03) {
7811: selector = (selector & ~0x03) | REG8(CH);
7812: }
7813: if(REG8(BL) == 0x00) {
7814: selector &= ~0x04;
7815: } else if(REG8(BL) == 0x01) {
7816: selector |= 0x04;
7817: }
7818: if(REG8(BH) == 0x00) {
7819: selector = (selector & ~0x38) | 0x00;
7820: } else if(REG8(BH) == 0x01) {
7821: selector = (selector & ~0x38) | 0x08;
7822: } else if(REG8(BH) == 0x02) {
7823: selector = (selector & ~0x38) | 0x18;
7824: } else if(REG8(BH) == 0x03) {
7825: selector = (selector & ~0x38) | 0x28;
7826: } else if(REG8(BH) == 0x04) {
7827: selector = (selector & ~0x38) | 0x38;
7828: }
7829: if(REG8(AL) == 0x00) {
7830: selector |= 0x40;
7831: } else if(REG8(AL) == 0x01) {
7832: selector &= ~0x40;
7833: }
7834: if(REG8(CL) <= 0x0b) {
7835: static const unsigned int rate[] = {110, 150, 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200};
7836: UINT16 divisor = 115200 / rate[REG8(CL)];
7837: sio_write(REG16(DX), 3, selector | 0x80);
7838: sio_write(REG16(DX), 0, divisor & 0xff);
7839: sio_write(REG16(DX), 1, divisor >> 8);
7840: }
7841: sio_write(REG16(DX), 3, selector);
7842: REG8(AH) = sio_read(REG16(DX), 5);
7843: REG8(AL) = sio_read(REG16(DX), 6);
7844: } else {
7845: REG8(AH) = 0x80;
7846: }
7847: }
7848:
7849: inline void pcbios_int_14h_05h()
7850: {
1.1.1.29 root 7851: if(REG16(DX) < 4) {
1.1.1.25 root 7852: if(REG8(AL) == 0x00) {
7853: REG8(BL) = sio_read(REG16(DX), 4);
7854: REG8(AH) = sio_read(REG16(DX), 5);
7855: REG8(AL) = sio_read(REG16(DX), 6);
7856: } else if(REG8(AL) == 0x01) {
7857: sio_write(REG16(DX), 4, REG8(BL));
7858: REG8(AH) = sio_read(REG16(DX), 5);
7859: REG8(AL) = sio_read(REG16(DX), 6);
7860: } else {
7861: 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));
7862: }
7863: } else {
7864: REG8(AH) = 0x80;
7865: }
7866: }
7867:
1.1.1.14 root 7868: inline void pcbios_int_15h_10h()
7869: {
1.1.1.22 root 7870: switch(REG8(AL)) {
7871: case 0x00:
1.1.1.14 root 7872: Sleep(10);
1.1.1.35 root 7873: REQUEST_HARDWRE_UPDATE();
1.1.1.22 root 7874: break;
7875: default:
7876: 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 7877: REG8(AH) = 0x86;
7878: m_CF = 1;
7879: }
7880: }
7881:
1.1 root 7882: inline void pcbios_int_15h_23h()
7883: {
7884: switch(REG8(AL)) {
1.1.1.22 root 7885: case 0x00:
1.1.1.8 root 7886: REG8(CL) = cmos_read(0x2d);
7887: REG8(CH) = cmos_read(0x2e);
1.1 root 7888: break;
1.1.1.22 root 7889: case 0x01:
1.1.1.8 root 7890: cmos_write(0x2d, REG8(CL));
7891: cmos_write(0x2e, REG8(CH));
1.1 root 7892: break;
7893: default:
1.1.1.22 root 7894: 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 7895: REG8(AH) = 0x86;
1.1.1.3 root 7896: m_CF = 1;
1.1 root 7897: break;
7898: }
7899: }
7900:
7901: inline void pcbios_int_15h_24h()
7902: {
7903: switch(REG8(AL)) {
1.1.1.22 root 7904: case 0x00:
1.1.1.3 root 7905: i386_set_a20_line(0);
1.1 root 7906: REG8(AH) = 0;
7907: break;
1.1.1.22 root 7908: case 0x01:
1.1.1.3 root 7909: i386_set_a20_line(1);
1.1 root 7910: REG8(AH) = 0;
7911: break;
1.1.1.22 root 7912: case 0x02:
1.1 root 7913: REG8(AH) = 0;
1.1.1.3 root 7914: REG8(AL) = (m_a20_mask >> 20) & 1;
1.1 root 7915: REG16(CX) = 0;
7916: break;
1.1.1.22 root 7917: case 0x03:
1.1 root 7918: REG16(AX) = 0;
7919: REG16(BX) = 0;
7920: break;
1.1.1.22 root 7921: default:
7922: 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));
7923: REG8(AH) = 0x86;
7924: m_CF = 1;
7925: break;
1.1 root 7926: }
7927: }
7928:
7929: inline void pcbios_int_15h_49h()
7930: {
1.1.1.27 root 7931: REG8(AH) = 0x00;
7932: REG8(BL) = 0x00; // DOS/V
1.1 root 7933: }
7934:
1.1.1.22 root 7935: inline void pcbios_int_15h_50h()
7936: {
7937: switch(REG8(AL)) {
7938: case 0x00:
7939: case 0x01:
7940: if(REG8(BH) != 0x00 && REG8(BH) != 0x01) {
7941: REG8(AH) = 0x01; // invalid font type in bh
7942: m_CF = 1;
1.1.1.27 root 7943: } else if(REG8(BL) != 0x00) {
1.1.1.22 root 7944: REG8(AH) = 0x02; // bl not zero
7945: m_CF = 1;
7946: } else if(REG16(BP) != 0 && REG16(BP) != 437 && REG16(BP) != 932 && REG16(BP) != 934 && REG16(BP) != 936 && REG16(BP) != 938) {
7947: REG8(AH) = 0x04; // invalid code page
7948: m_CF = 1;
1.1.1.27 root 7949: } else if(REG8(AL) == 0x01) {
7950: REG8(AH) = 0x06; // font is read only
1.1.1.22 root 7951: m_CF = 1;
1.1.1.27 root 7952: } else {
7953: // dummy font read routine is at fffd:000d
7954: SREG(ES) = 0xfffd;
7955: i386_load_segment_descriptor(ES);
1.1.1.32 root 7956: REG16(BX) = 0x000d;
1.1.1.27 root 7957: REG8(AH) = 0x00; // success
1.1.1.22 root 7958: }
7959: break;
7960: default:
7961: 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));
7962: REG8(AH) = 0x86;
7963: m_CF = 1;
7964: break;
7965: }
7966: }
7967:
1.1.1.30 root 7968: inline void pcbios_int_15h_53h()
7969: {
7970: switch(REG8(AL)) {
7971: case 0x00:
7972: // APM is not installed
7973: REG8(AH) = 0x86;
7974: m_CF = 1;
7975: break;
7976: default:
7977: 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));
7978: REG8(AH) = 0x86;
7979: m_CF = 1;
7980: break;
7981: }
7982: }
7983:
1.1.1.43 root 7984: inline void pcbios_int_15h_84h()
7985: {
7986: // joystick support (from DOSBox)
7987: switch(REG16(DX)) {
7988: case 0x00:
7989: REG16(AX) = 0x00f0;
7990: REG16(DX) = 0x0201;
7991: m_CF = 1;
7992: break;
7993: case 0x01:
7994: REG16(AX) = REG16(BX) = REG16(CX) = REG16(DX) = 0x0000;
7995: m_CF = 1;
7996: break;
7997: default:
7998: 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));
7999: REG8(AH) = 0x86;
8000: m_CF = 1;
8001: break;
8002: }
8003: }
1.1.1.35 root 8004:
8005: DWORD WINAPI pcbios_int_15h_86h_thread(LPVOID)
1.1 root 8006: {
8007: UINT32 usec = (REG16(CX) << 16) | REG16(DX);
1.1.1.14 root 8008: UINT32 msec = usec / 1000;
8009:
1.1.1.35 root 8010: while(msec && !m_halted) {
1.1.1.14 root 8011: UINT32 tmp = min(msec, 100);
8012: if(msec - tmp < 10) {
8013: tmp = msec;
8014: }
8015: Sleep(tmp);
8016: msec -= tmp;
8017: }
1.1.1.35 root 8018:
8019: #ifdef USE_SERVICE_THREAD
8020: service_exit = true;
8021: #endif
8022: return(0);
8023: }
8024:
8025: inline void pcbios_int_15h_86h()
8026: {
8027: if(!(REG16(CX) == 0 && REG16(DX) == 0)) {
8028: #ifdef USE_SERVICE_THREAD
8029: start_service_loop(pcbios_int_15h_86h_thread);
8030: #else
8031: pcbios_int_15h_86h_thread(NULL);
8032: REQUEST_HARDWRE_UPDATE();
8033: #endif
8034: }
1.1 root 8035: }
8036:
8037: inline void pcbios_int_15h_87h()
8038: {
8039: // copy extended memory (from DOSBox)
8040: int len = REG16(CX) * 2;
1.1.1.3 root 8041: int ofs = SREG_BASE(ES) + REG16(SI);
1.1 root 8042: int src = (*(UINT32 *)(mem + ofs + 0x12) & 0xffffff); // + (mem[ofs + 0x16] << 24);
8043: int dst = (*(UINT32 *)(mem + ofs + 0x1a) & 0xffffff); // + (mem[ofs + 0x1e] << 24);
8044: memcpy(mem + dst, mem + src, len);
8045: REG16(AX) = 0x00;
8046: }
8047:
8048: inline void pcbios_int_15h_88h()
8049: {
1.1.1.17 root 8050: REG16(AX) = ((min(MAX_MEM, 0x4000000) - 0x100000) >> 10);
1.1 root 8051: }
8052:
8053: inline void pcbios_int_15h_89h()
8054: {
1.1.1.21 root 8055: #if defined(HAS_I286) || defined(HAS_I386)
1.1 root 8056: // switch to protected mode (from DOSBox)
8057: write_io_byte(0x20, 0x10);
8058: write_io_byte(0x21, REG8(BH));
8059: write_io_byte(0x21, 0x00);
8060: write_io_byte(0xa0, 0x10);
8061: write_io_byte(0xa1, REG8(BL));
8062: write_io_byte(0xa1, 0x00);
1.1.1.3 root 8063: i386_set_a20_line(1);
8064: int ofs = SREG_BASE(ES) + REG16(SI);
8065: m_gdtr.limit = *(UINT16 *)(mem + ofs + 0x08);
8066: m_gdtr.base = *(UINT32 *)(mem + ofs + 0x08 + 0x02) & 0xffffff;
8067: m_idtr.limit = *(UINT16 *)(mem + ofs + 0x10);
8068: m_idtr.base = *(UINT32 *)(mem + ofs + 0x10 + 0x02) & 0xffffff;
8069: #if defined(HAS_I386)
8070: m_cr[0] |= 1;
8071: #else
8072: m_msw |= 1;
8073: #endif
8074: SREG(DS) = 0x18;
8075: SREG(ES) = 0x20;
8076: SREG(SS) = 0x28;
8077: i386_load_segment_descriptor(DS);
8078: i386_load_segment_descriptor(ES);
8079: i386_load_segment_descriptor(SS);
1.1.1.21 root 8080: UINT16 offset = *(UINT16 *)(mem + SREG_BASE(SS) + REG16(SP));
1.1 root 8081: REG16(SP) += 6;
1.1.1.3 root 8082: #if defined(HAS_I386)
1.1.1.21 root 8083: UINT32 flags = get_flags();
8084: flags &= (0x20000 | 0x40000 | 0x80000 | 0x100000 | 0x200000);
8085: set_flags(flags);
1.1.1.3 root 8086: #else
1.1.1.21 root 8087: UINT32 flags = CompressFlags();
8088: flags &= (0x20000 | 0x40000 | 0x80000 | 0x100000 | 0x200000);
8089: ExpandFlags(flags);
1.1.1.3 root 8090: #endif
1.1 root 8091: REG16(AX) = 0x00;
1.1.1.21 root 8092: i386_jmp_far(0x30, /*REG16(CX)*/offset);
1.1 root 8093: #else
1.1.1.21 root 8094: // i86/i186/v30: protected mode is not supported
1.1 root 8095: REG8(AH) = 0x86;
1.1.1.3 root 8096: m_CF = 1;
1.1 root 8097: #endif
8098: }
8099:
1.1.1.21 root 8100: inline void pcbios_int_15h_8ah()
8101: {
8102: UINT32 size = MAX_MEM - 0x100000;
8103: REG16(AX) = size & 0xffff;
8104: REG16(DX) = size >> 16;
8105: }
8106:
1.1.1.3 root 8107: #if defined(HAS_I386)
1.1 root 8108: inline void pcbios_int_15h_c9h()
8109: {
8110: REG8(AH) = 0x00;
8111: REG8(CH) = cpu_type;
8112: REG8(CL) = cpu_step;
8113: }
1.1.1.3 root 8114: #endif
1.1 root 8115:
8116: inline void pcbios_int_15h_cah()
8117: {
8118: switch(REG8(AL)) {
1.1.1.22 root 8119: case 0x00:
1.1 root 8120: if(REG8(BL) > 0x3f) {
8121: REG8(AH) = 0x03;
1.1.1.3 root 8122: m_CF = 1;
1.1 root 8123: } else if(REG8(BL) < 0x0e) {
8124: REG8(AH) = 0x04;
1.1.1.3 root 8125: m_CF = 1;
1.1 root 8126: } else {
1.1.1.8 root 8127: REG8(CL) = cmos_read(REG8(BL));
1.1 root 8128: }
8129: break;
1.1.1.22 root 8130: case 0x01:
1.1 root 8131: if(REG8(BL) > 0x3f) {
8132: REG8(AH) = 0x03;
1.1.1.3 root 8133: m_CF = 1;
1.1 root 8134: } else if(REG8(BL) < 0x0e) {
8135: REG8(AH) = 0x04;
1.1.1.3 root 8136: m_CF = 1;
1.1 root 8137: } else {
1.1.1.8 root 8138: cmos_write(REG8(BL), REG8(CL));
1.1 root 8139: }
8140: break;
8141: default:
1.1.1.22 root 8142: 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 8143: REG8(AH) = 0x86;
1.1.1.3 root 8144: m_CF = 1;
1.1 root 8145: break;
8146: }
8147: }
8148:
1.1.1.22 root 8149: inline void pcbios_int_15h_e8h()
1.1.1.17 root 8150: {
1.1.1.22 root 8151: switch(REG8(AL)) {
8152: #if defined(HAS_I386)
8153: case 0x01:
8154: REG16(AX) = REG16(CX) = ((min(MAX_MEM, 0x1000000) - 0x100000) >> 10);
8155: REG16(BX) = REG16(DX) = ((max(MAX_MEM, 0x1000000) - 0x1000000) >> 16);
8156: break;
1.1.1.17 root 8157: #endif
1.1.1.22 root 8158: default:
8159: 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));
8160: REG8(AH) = 0x86;
8161: m_CF = 1;
8162: break;
8163: }
8164: }
1.1.1.17 root 8165:
1.1.1.33 root 8166: void pcbios_update_key_code(bool wait)
1.1 root 8167: {
1.1.1.32 root 8168: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 8169: #ifdef USE_SERVICE_THREAD
8170: EnterCriticalSection(&key_buf_crit_sect);
8171: #endif
8172: bool empty = key_buf_char->empty();
8173: #ifdef USE_SERVICE_THREAD
8174: LeaveCriticalSection(&key_buf_crit_sect);
8175: #endif
8176: if(empty) {
1.1.1.32 root 8177: if(!update_key_buffer()) {
1.1.1.33 root 8178: if(wait) {
1.1.1.32 root 8179: Sleep(10);
8180: } else {
8181: maybe_idle();
8182: }
1.1.1.14 root 8183: }
8184: }
1.1.1.34 root 8185: }
8186: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 8187: #ifdef USE_SERVICE_THREAD
8188: EnterCriticalSection(&key_buf_crit_sect);
8189: #endif
1.1.1.32 root 8190: if(key_buf_char->count() != 0) {
1.1.1.41 root 8191: int key_char = key_buf_char->read();
8192: int key_scan = key_buf_scan->read();
8193: key_code = key_char << 0;
8194: key_code |= key_scan << 8;
1.1.1.35 root 8195: key_recv = 0x0000ffff;
1.1.1.41 root 8196: // write to bottom of key buffer
8197: mem[0x43c] = (UINT8)key_char;
8198: mem[0x43d] = (UINT8)key_scan;
1.1.1.32 root 8199: }
8200: if(key_buf_char->count() != 0) {
1.1.1.41 root 8201: int key_char = key_buf_char->read();
8202: int key_scan = key_buf_scan->read();
8203: key_code |= key_char << 16;
8204: key_code |= key_scan << 24;
1.1.1.33 root 8205: key_recv |= 0xffff0000;
1.1.1.41 root 8206: // write to bottom of key buffer
8207: mem[0x43c] = (UINT8)key_char;
8208: mem[0x43d] = (UINT8)key_scan;
1.1.1.32 root 8209: }
1.1.1.35 root 8210: #ifdef USE_SERVICE_THREAD
8211: LeaveCriticalSection(&key_buf_crit_sect);
8212: #endif
1.1 root 8213: }
8214: }
8215:
1.1.1.35 root 8216: DWORD WINAPI pcbios_int_16h_00h_thread(LPVOID)
1.1 root 8217: {
1.1.1.33 root 8218: while(key_recv == 0 && !m_halted) {
8219: pcbios_update_key_code(true);
1.1 root 8220: }
1.1.1.33 root 8221: if((key_recv & 0x0000ffff) && (key_recv & 0xffff0000)) {
8222: if((key_code & 0xffff) == 0x0000 || (key_code & 0xffff) == 0xe000) {
8223: if(REG8(AH) == 0x10) {
8224: key_code = ((key_code >> 8) & 0xff) | ((key_code >> 16) & 0xff00);
8225: } else {
8226: key_code = ((key_code >> 16) & 0xff00);
8227: }
8228: key_recv >>= 16;
1.1 root 8229: }
8230: }
8231: REG16(AX) = key_code & 0xffff;
8232: key_code >>= 16;
1.1.1.33 root 8233: key_recv >>= 16;
1.1.1.35 root 8234:
8235: #ifdef USE_SERVICE_THREAD
8236: service_exit = true;
8237: #endif
8238: return(0);
8239: }
8240:
8241: inline void pcbios_int_16h_00h()
8242: {
8243: #ifdef USE_SERVICE_THREAD
8244: start_service_loop(pcbios_int_16h_00h_thread);
8245: #else
8246: pcbios_int_16h_00h_thread(NULL);
8247: REQUEST_HARDWRE_UPDATE();
8248: #endif
1.1 root 8249: }
8250:
8251: inline void pcbios_int_16h_01h()
8252: {
1.1.1.33 root 8253: if(key_recv == 0) {
8254: pcbios_update_key_code(false);
1.1.1.5 root 8255: }
1.1.1.33 root 8256: if(key_recv != 0) {
8257: UINT32 key_code_tmp = key_code;
8258: if((key_recv & 0x0000ffff) && (key_recv & 0xffff0000)) {
8259: if((key_code_tmp & 0xffff) == 0x0000 || (key_code_tmp & 0xffff) == 0xe000) {
8260: if(REG8(AH) == 0x11) {
8261: key_code_tmp = ((key_code_tmp >> 8) & 0xff) | ((key_code_tmp >> 16) & 0xff00);
8262: } else {
8263: key_code_tmp = ((key_code_tmp >> 16) & 0xff00);
8264: }
8265: }
1.1 root 8266: }
1.1.1.5 root 8267: REG16(AX) = key_code_tmp & 0xffff;
1.1.1.3 root 8268: #if defined(HAS_I386)
1.1.1.33 root 8269: m_ZF = 0;
8270: #else
8271: m_ZeroVal = 1;
8272: #endif
8273: } else {
8274: #if defined(HAS_I386)
8275: m_ZF = 1;
1.1.1.3 root 8276: #else
1.1.1.33 root 8277: m_ZeroVal = 0;
1.1.1.3 root 8278: #endif
1.1.1.33 root 8279: }
1.1 root 8280: }
8281:
8282: inline void pcbios_int_16h_02h()
8283: {
8284: REG8(AL) = (GetAsyncKeyState(VK_INSERT ) & 0x0001) ? 0x80 : 0;
8285: REG8(AL) |= (GetAsyncKeyState(VK_CAPITAL) & 0x0001) ? 0x40 : 0;
8286: REG8(AL) |= (GetAsyncKeyState(VK_NUMLOCK) & 0x0001) ? 0x20 : 0;
8287: REG8(AL) |= (GetAsyncKeyState(VK_SCROLL ) & 0x0001) ? 0x10 : 0;
8288: REG8(AL) |= (GetAsyncKeyState(VK_MENU ) & 0x8000) ? 0x08 : 0;
8289: REG8(AL) |= (GetAsyncKeyState(VK_CONTROL) & 0x8000) ? 0x04 : 0;
8290: REG8(AL) |= (GetAsyncKeyState(VK_LSHIFT ) & 0x8000) ? 0x02 : 0;
8291: REG8(AL) |= (GetAsyncKeyState(VK_RSHIFT ) & 0x8000) ? 0x01 : 0;
8292: }
8293:
8294: inline void pcbios_int_16h_03h()
8295: {
8296: static UINT16 status = 0;
8297:
8298: switch(REG8(AL)) {
8299: case 0x05:
8300: status = REG16(BX);
8301: break;
8302: case 0x06:
8303: REG16(BX) = status;
8304: break;
8305: default:
1.1.1.3 root 8306: m_CF = 1;
1.1 root 8307: break;
8308: }
8309: }
8310:
8311: inline void pcbios_int_16h_05h()
8312: {
1.1.1.32 root 8313: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 8314: #ifdef USE_SERVICE_THREAD
8315: EnterCriticalSection(&key_buf_crit_sect);
8316: #endif
1.1.1.32 root 8317: key_buf_char->write(REG8(CL));
8318: key_buf_scan->write(REG8(CH));
1.1.1.35 root 8319: #ifdef USE_SERVICE_THREAD
8320: LeaveCriticalSection(&key_buf_crit_sect);
8321: #endif
1.1.1.32 root 8322: }
1.1 root 8323: REG8(AL) = 0x00;
8324: }
8325:
8326: inline void pcbios_int_16h_12h()
8327: {
8328: pcbios_int_16h_02h();
8329:
8330: REG8(AH) = 0;//(GetAsyncKeyState(VK_SYSREQ ) & 0x8000) ? 0x80 : 0;
8331: REG8(AH) |= (GetAsyncKeyState(VK_CAPITAL ) & 0x8000) ? 0x40 : 0;
8332: REG8(AH) |= (GetAsyncKeyState(VK_NUMLOCK ) & 0x8000) ? 0x20 : 0;
8333: REG8(AH) |= (GetAsyncKeyState(VK_SCROLL ) & 0x8000) ? 0x10 : 0;
8334: REG8(AH) |= (GetAsyncKeyState(VK_RMENU ) & 0x8000) ? 0x08 : 0;
8335: REG8(AH) |= (GetAsyncKeyState(VK_RCONTROL) & 0x8000) ? 0x04 : 0;
8336: REG8(AH) |= (GetAsyncKeyState(VK_LMENU ) & 0x8000) ? 0x02 : 0;
8337: REG8(AH) |= (GetAsyncKeyState(VK_LCONTROL) & 0x8000) ? 0x01 : 0;
8338: }
8339:
8340: inline void pcbios_int_16h_13h()
8341: {
8342: static UINT16 status = 0;
8343:
8344: switch(REG8(AL)) {
8345: case 0x00:
8346: status = REG16(DX);
8347: break;
8348: case 0x01:
8349: REG16(DX) = status;
8350: break;
8351: default:
1.1.1.22 root 8352: 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 8353: m_CF = 1;
1.1 root 8354: break;
8355: }
8356: }
8357:
8358: inline void pcbios_int_16h_14h()
8359: {
8360: static UINT8 status = 0;
8361:
8362: switch(REG8(AL)) {
8363: case 0x00:
8364: case 0x01:
8365: status = REG8(AL);
8366: break;
8367: case 0x02:
8368: REG8(AL) = status;
8369: break;
8370: default:
1.1.1.22 root 8371: 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 8372: m_CF = 1;
1.1 root 8373: break;
8374: }
8375: }
8376:
1.1.1.24 root 8377: inline void pcbios_int_16h_55h()
8378: {
8379: switch(REG8(AL)) {
8380: case 0x00:
8381: // keyboard tsr is not present
8382: break;
8383: case 0xfe:
8384: // handlers for INT 08, INT 09, INT 16, INT 1B, and INT 1C are installed
8385: break;
8386: case 0xff:
8387: break;
8388: default:
8389: 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));
8390: m_CF = 1;
8391: break;
8392: }
8393: }
8394:
1.1.1.30 root 8395: inline void pcbios_int_16h_6fh()
8396: {
8397: switch(REG8(AL)) {
8398: case 0x00:
8399: // HP Vectra EX-BIOS - "F16_INQUIRE" - Extended BIOS is not installed
8400: break;
8401: default:
8402: 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));
8403: m_CF = 1;
8404: break;
8405: }
8406: }
8407:
1.1.1.37 root 8408: UINT16 pcbios_printer_jis2sjis(UINT16 jis)
8409: {
8410: UINT8 hi = jis >> 8;
8411: UINT8 lo = jis & 0xff;
8412:
8413: lo = (hi & 0x01) ? lo - 0x1f : lo + 0x7d;
8414: hi = (hi - 0x21) / 2 + 0x81;
8415: hi = (hi >= 0xa0) ? hi + 0x40 : hi;
8416: lo = (lo >= 0x7f) ? lo + 0x01 : lo;
8417:
8418: return((hi << 8) + lo);
8419: }
8420:
8421: UINT16 pcbios_printer_sjis2jis(UINT16 sjis)
8422: {
8423: UINT8 hi = sjis >> 8;
8424: UINT8 lo = sjis & 0xff;
8425:
8426: if(hi == 0x80 || (hi >= 0xeb && hi <= 0xef) || (hi >= 0xf4 && hi <= 0xff)) {
8427: return(0x2121);
8428: }
8429: if((lo >= 0x00 && lo <= 0x3f) || lo == 0x7f || (lo >= 0xfd && lo <= 0xff)) {
8430: return(0x2121);
8431: }
8432: if(hi >= 0xf0 && hi <= 0xf3) {
8433: // gaiji
8434: if(lo >= 0x40 && lo <= 0x7e) {
8435: return(0x7721 + lo - 0x40 + (hi - 0xf0) * 0x200);
8436: }
8437: if(lo >= 0x80 && lo <= 0x9e) {
8438: return(0x7760 + lo - 0x80 + (hi - 0xf0) * 0x200);
8439: }
8440: if(lo >= 0x9f && lo <= 0xfc) {
8441: return(0x7821 + lo - 0x9f + (hi - 0xf0) * 0x200);
8442: }
8443: }
8444: hi = (hi >= 0xe0) ? hi - 0x40 : hi;
8445: lo = (lo >= 0x80) ? lo - 0x01 : lo;
8446: hi = ((lo >= 0x9e) ? 1 : 0) + (hi - 0x81) * 2 + 0x21;
8447: lo = ((lo >= 0x9e) ? lo - 0x9e : lo - 0x40) + 0x21;
8448:
8449: return((hi << 8) + lo);
8450: }
8451:
1.1.1.38 root 8452: // AX�e�N�j�J�����t�@�����X�K�C�h 1989
8453: // �t�^10 ���{��g��PRINTER DRIVER NIOS�T�d�l
8454: // 6. �R���g���[���R�[�h�̉��
1.1.1.37 root 8455:
8456: void pcbios_printer_out(int c, UINT8 data)
8457: {
8458: if(pio[c].conv_mode) {
8459: if(pio[c].sjis_hi != 0) {
8460: if(!pio[c].jis_mode) {
8461: printer_out(c, 0x1c);
8462: printer_out(c, 0x26);
8463: pio[c].jis_mode = true;
8464: }
8465: UINT16 jis = pcbios_printer_sjis2jis((pio[c].sjis_hi << 8) | data);
8466: printer_out(c, jis >> 8);
8467: printer_out(c, jis & 0xff);
8468: pio[c].sjis_hi = 0;
8469: } else if(pio[c].esc_buf[0] == 0x1b) {
8470: printer_out(c, data);
8471: if(pio[c].esc_len < sizeof(pio[c].esc_buf)) {
8472: pio[c].esc_buf[pio[c].esc_len] = data;
8473: }
8474: pio[c].esc_len++;
8475:
8476: switch(pio[c].esc_buf[1]) {
1.1.1.38 root 8477: case 0x33: // 1Bh 33h XX
8478: case 0x4a: // 1Bh 4Ah XX
8479: case 0x4e: // 1Bh 4Eh XX
8480: case 0x51: // 1Bh 51h XX
8481: case 0x55: // 1Bh 55h XX
8482: case 0x6c: // 1Bh 6Ch XX
8483: case 0x71: // 1Bh 71h XX
8484: case 0x72: // 1Bh 72h XX
1.1.1.37 root 8485: if(pio[c].esc_len == 3) {
8486: pio[c].esc_buf[0] = 0x00;
8487: }
8488: break;
1.1.1.38 root 8489: case 0x24: // 1Bh 24h XX XX
8490: case 0x5c: // 1Bh 5Ch XX XX
1.1.1.37 root 8491: if(pio[c].esc_len == 4) {
8492: pio[c].esc_buf[0] = 0x00;
8493: }
8494: break;
1.1.1.38 root 8495: case 0x2a: // 1Bh 2Ah XX XX XX data
1.1.1.37 root 8496: if(pio[c].esc_len >= 3) {
8497: switch(pio[c].esc_buf[2]) {
8498: case 0: case 1: case 2: case 3: case 4: case 6:
8499: if(pio[c].esc_len >= 5 && pio[c].esc_len == 5 + (pio[c].esc_buf[3] + pio[c].esc_buf[4] * 256) * 1) {
8500: pio[c].esc_buf[0] = 0x00;
8501: }
8502: break;
8503: case 32: case 33: case 38: case 39: case 40:
8504: if(pio[c].esc_len >= 5 && pio[c].esc_len == 5 + (pio[c].esc_buf[3] + pio[c].esc_buf[4] * 256) * 3) {
8505: pio[c].esc_buf[0] = 0x00;
8506: }
8507: break;
1.1.1.38 root 8508: case 71: case 72: case 73:
8509: if(pio[c].esc_len >= 5 && pio[c].esc_len == 5 + (pio[c].esc_buf[3] + pio[c].esc_buf[4] * 256) * 6) {
8510: pio[c].esc_buf[0] = 0x00;
8511: }
8512: break;
1.1.1.37 root 8513: default:
8514: pio[c].esc_buf[0] = 0x00;
8515: break;
8516: }
8517: }
8518: break;
1.1.1.38 root 8519: case 0x40: // 1Bh 40h
1.1.1.37 root 8520: if(pio[c].jis_mode) {
8521: printer_out(c, 0x1c);
8522: printer_out(c, 0x2e);
8523: pio[c].jis_mode = false;
8524: }
8525: pio[c].esc_buf[0] = 0x00;
8526: break;
1.1.1.38 root 8527: case 0x42: // 1Bh 42h data 00h
8528: case 0x44: // 1Bh 44h data 00h
1.1.1.37 root 8529: if(pio[c].esc_len >= 3 && data == 0) {
8530: pio[c].esc_buf[0] = 0x00;
8531: }
8532: break;
1.1.1.38 root 8533: case 0x43: // 1Bh 43h (00h) XX
1.1.1.37 root 8534: if(pio[c].esc_len >= 3 && data != 0) {
8535: pio[c].esc_buf[0] = 0x00;
8536: }
8537: break;
1.1.1.38 root 8538: default: // 1Bh XX
1.1.1.37 root 8539: pio[c].esc_buf[0] = 0x00;
8540: break;
8541: }
8542: } else if(pio[c].esc_buf[0] == 0x1c) {
8543: printer_out(c, data);
8544: if(pio[c].esc_len < sizeof(pio[c].esc_buf)) {
8545: pio[c].esc_buf[pio[c].esc_len] = data;
8546: }
8547: pio[c].esc_len++;
8548:
8549: switch(pio[c].esc_buf[1]) {
1.1.1.38 root 8550: case 0x21: // 1Ch 21h XX
8551: case 0x2d: // 1Ch 2Dh XX
8552: case 0x57: // 1Ch 57h XX
8553: case 0x6b: // 1Ch 6Bh XX
8554: case 0x72: // 1Ch 72h XX
8555: case 0x78: // 1Ch 78h XX
1.1.1.37 root 8556: if(pio[c].esc_len == 3) {
8557: pio[c].esc_buf[0] = 0x00;
8558: }
8559: break;
1.1.1.38 root 8560: case 0x26: // 1Ch 26h
1.1.1.37 root 8561: pio[c].jis_mode = true;
8562: pio[c].esc_buf[0] = 0x00;
8563: break;
1.1.1.38 root 8564: case 0x2e: // 1Ch 2Eh
1.1.1.37 root 8565: pio[c].jis_mode = false;
8566: pio[c].esc_buf[0] = 0x00;
8567: break;
1.1.1.38 root 8568: case 0x32: // 1Ch 32h XX XX data
1.1.1.37 root 8569: if(pio[c].esc_len == 76) {
8570: pio[c].esc_buf[0] = 0x00;
8571: }
8572: break;
1.1.1.38 root 8573: case 0x44: // 1Bh 44h data 00h
1.1.1.37 root 8574: if(pio[c].esc_len == 6) {
8575: pio[c].esc_buf[0] = 0x00;
8576: }
8577: break;
1.1.1.38 root 8578: case 0x53: // 1Ch 53h XX XX
8579: case 0x54: // 1Ch 54h XX XX
1.1.1.37 root 8580: if(pio[c].esc_len == 4) {
8581: pio[c].esc_buf[0] = 0x00;
8582: }
8583: break;
1.1.1.38 root 8584: default: // 1Ch XX
1.1.1.37 root 8585: pio[c].esc_buf[0] = 0x00;
8586: break;
8587: }
8588: } else if(data == 0x1b || data == 0x1c) {
8589: printer_out(c, data);
8590: pio[c].esc_buf[0] = data;
8591: pio[c].esc_len = 1;
8592: } else if((data >= 0x80 && data <= 0x9f) || (data >= 0xe0 && data <= 0xff)) {
8593: pio[c].sjis_hi = data;
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: } else {
8603: if(pio[c].jis_mode) {
8604: printer_out(c, 0x1c);
8605: printer_out(c, 0x2e);
8606: pio[c].jis_mode = false;
8607: }
8608: printer_out(c, data);
8609: }
8610: }
8611:
8612: inline void pcbios_int_17h_00h()
8613: {
8614: if(REG16(DX) < 3) {
8615: pcbios_printer_out(REG16(DX), REG8(AL));
8616: REG8(AH) = 0xd0;
8617: }
8618: }
8619:
8620: inline void pcbios_int_17h_01h()
8621: {
8622: if(REG16(DX) < 3) {
8623: REG8(AH) = 0xd0;
8624: }
8625: }
8626:
8627: inline void pcbios_int_17h_02h()
8628: {
8629: if(REG16(DX) < 3) {
8630: REG8(AH) = 0xd0;
8631: }
8632: }
8633:
8634: inline void pcbios_int_17h_03h()
8635: {
8636: switch(REG8(AL)) {
8637: case 0x00:
8638: if(REG16(DX) < 3) {
8639: if(pio[REG16(DX)].jis_mode) {
8640: printer_out(REG16(DX), 0x1c);
8641: printer_out(REG16(DX), 0x2e);
8642: pio[REG16(DX)].jis_mode = false;
8643: }
8644: for(UINT16 i = 0; i < REG16(CX); i++) {
8645: printer_out(REG16(DX), mem[SREG_BASE(ES) + REG16(BX) + i]);
8646: }
8647: REG16(CX) = 0x0000;
8648: REG8(AH) = 0xd0;
8649: }
8650: break;
8651: default:
8652: 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));
8653: break;
8654: }
8655: }
8656:
8657: inline void pcbios_int_17h_50h()
8658: {
8659: switch(REG8(AL)) {
8660: case 0x00:
8661: if(REG16(DX) < 3) {
8662: if(REG16(BX) = 0x0001) {
8663: pio[REG16(DX)].conv_mode = false;
8664: REG8(AL) = 0x00;
8665: } else if(REG16(BX) = 0x0051) {
8666: pio[REG16(DX)].conv_mode = true;
8667: REG8(AL) = 0x00;
8668: } else {
8669: REG8(AL) = 0x01;
8670: }
8671: } else {
8672: REG8(AL) = 0x02;
8673: }
8674: break;
8675: case 0x01:
8676: if(REG16(DX) < 3) {
8677: if(pio[REG16(DX)].conv_mode) {
8678: REG16(BX) = 0x0051;
8679: } else {
8680: REG16(BX) = 0x0001;
8681: }
8682: REG8(AL) = 0x00;
8683: } else {
8684: REG8(AL) = 0x02;
8685: }
8686: break;
8687: default:
8688: 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));
8689: break;
8690: }
8691: }
8692:
8693: inline void pcbios_int_17h_51h()
8694: {
8695: if(REG8(DH) >= 0x21 && REG8(DH) <= 0x7e && REG8(DL) >= 0x21 && REG8(DL) <= 0x7e) {
8696: REG16(DX) = pcbios_printer_jis2sjis(REG16(DX));
8697: } else {
8698: REG16(DX) = 0x0000;
8699: }
8700: }
8701:
8702: inline void pcbios_int_17h_52h()
8703: {
8704: if(((REG8(DH) >= 0x81 && REG8(DH) <= 0x9f) || (REG8(DH) >= 0xe0 && REG8(DH) <= 0xfc)) && (REG8(DL) >= 0x40 && REG8(DL) <= 0xfc && REG8(DL) != 0x7f)) {
8705: REG16(DX) = pcbios_printer_sjis2jis(REG16(DX));
8706: } else {
8707: REG16(DX) = 0x0000;
8708: }
8709: }
8710:
8711: inline void pcbios_int_17h_84h()
8712: {
8713: if(REG16(DX) < 3) {
8714: if(pio[REG16(DX)].jis_mode) {
8715: printer_out(REG16(DX), 0x1c);
8716: printer_out(REG16(DX), 0x2e);
8717: pio[REG16(DX)].jis_mode = false;
8718: }
8719: printer_out(REG16(DX), REG8(AL));
8720: REG8(AH) = 0xd0;
8721: }
8722: }
8723:
8724: inline void pcbios_int_17h_85h()
8725: {
8726: pio[0].conv_mode = (REG8(AL) == 0x00);
8727: }
8728:
1.1 root 8729: inline void pcbios_int_1ah_00h()
8730: {
1.1.1.19 root 8731: pcbios_update_daily_timer_counter(timeGetTime());
8732: REG16(CX) = *(UINT16 *)(mem + 0x46e);
8733: REG16(DX) = *(UINT16 *)(mem + 0x46c);
8734: REG8(AL) = mem[0x470];
8735: mem[0x470] = 0;
1.1 root 8736: }
8737:
8738: inline int to_bcd(int t)
8739: {
8740: int u = (t % 100) / 10;
8741: return (u << 4) | (t % 10);
8742: }
8743:
8744: inline void pcbios_int_1ah_02h()
8745: {
8746: SYSTEMTIME time;
8747:
8748: GetLocalTime(&time);
8749: REG8(CH) = to_bcd(time.wHour);
8750: REG8(CL) = to_bcd(time.wMinute);
8751: REG8(DH) = to_bcd(time.wSecond);
8752: REG8(DL) = 0x00;
8753: }
8754:
8755: inline void pcbios_int_1ah_04h()
8756: {
8757: SYSTEMTIME time;
8758:
8759: GetLocalTime(&time);
8760: REG8(CH) = to_bcd(time.wYear / 100);
8761: REG8(CL) = to_bcd(time.wYear);
8762: REG8(DH) = to_bcd(time.wMonth);
8763: REG8(DL) = to_bcd(time.wDay);
8764: }
8765:
8766: inline void pcbios_int_1ah_0ah()
8767: {
8768: SYSTEMTIME time;
8769: FILETIME file_time;
8770: WORD dos_date, dos_time;
8771:
8772: GetLocalTime(&time);
8773: SystemTimeToFileTime(&time, &file_time);
8774: FileTimeToDosDateTime(&file_time, &dos_date, &dos_time);
8775: REG16(CX) = dos_date;
8776: }
8777:
8778: // msdos system call
8779:
1.1.1.43 root 8780: inline void msdos_int_21h_56h(int lfn);
8781:
1.1 root 8782: inline void msdos_int_21h_00h()
8783: {
1.1.1.3 root 8784: msdos_process_terminate(SREG(CS), retval, 1);
1.1 root 8785: }
8786:
1.1.1.35 root 8787: DWORD WINAPI msdos_int_21h_01h_thread(LPVOID)
1.1 root 8788: {
8789: REG8(AL) = msdos_getche();
1.1.1.33 root 8790: ctrl_break_detected = ctrl_break_pressed;
1.1.1.26 root 8791:
1.1.1.35 root 8792: #ifdef USE_SERVICE_THREAD
8793: service_exit = true;
8794: #endif
8795: return(0);
8796: }
8797:
8798: inline void msdos_int_21h_01h()
8799: {
8800: #ifdef USE_SERVICE_THREAD
8801: start_service_loop(msdos_int_21h_01h_thread);
8802: #else
8803: msdos_int_21h_01h_thread(NULL);
8804: REQUEST_HARDWRE_UPDATE();
8805: #endif
1.1 root 8806: }
8807:
8808: inline void msdos_int_21h_02h()
8809: {
1.1.1.33 root 8810: UINT8 data = REG8(DL);
8811: msdos_putch(data);
8812: REG8(AL) = data;
8813: ctrl_break_detected = ctrl_break_pressed;
1.1 root 8814: }
8815:
8816: inline void msdos_int_21h_03h()
8817: {
8818: REG8(AL) = msdos_aux_in();
8819: }
8820:
8821: inline void msdos_int_21h_04h()
8822: {
8823: msdos_aux_out(REG8(DL));
8824: }
8825:
8826: inline void msdos_int_21h_05h()
8827: {
8828: msdos_prn_out(REG8(DL));
8829: }
8830:
8831: inline void msdos_int_21h_06h()
8832: {
8833: if(REG8(DL) == 0xff) {
8834: if(msdos_kbhit()) {
8835: REG8(AL) = msdos_getch();
1.1.1.3 root 8836: #if defined(HAS_I386)
8837: m_ZF = 0;
8838: #else
8839: m_ZeroVal = 1;
8840: #endif
1.1 root 8841: } else {
8842: REG8(AL) = 0;
1.1.1.3 root 8843: #if defined(HAS_I386)
8844: m_ZF = 1;
8845: #else
8846: m_ZeroVal = 0;
8847: #endif
1.1.1.14 root 8848: maybe_idle();
1.1 root 8849: }
8850: } else {
1.1.1.33 root 8851: UINT8 data = REG8(DL);
8852: msdos_putch(data);
8853: REG8(AL) = data;
1.1 root 8854: }
8855: }
8856:
1.1.1.35 root 8857: DWORD WINAPI msdos_int_21h_07h_thread(LPVOID)
1.1 root 8858: {
8859: REG8(AL) = msdos_getch();
1.1.1.26 root 8860:
1.1.1.35 root 8861: #ifdef USE_SERVICE_THREAD
8862: service_exit = true;
8863: #endif
8864: return(0);
1.1 root 8865: }
8866:
1.1.1.35 root 8867: inline void msdos_int_21h_07h()
8868: {
8869: #ifdef USE_SERVICE_THREAD
8870: start_service_loop(msdos_int_21h_07h_thread);
8871: #else
8872: msdos_int_21h_07h_thread(NULL);
8873: REQUEST_HARDWRE_UPDATE();
8874: #endif
8875: }
8876:
8877: DWORD WINAPI msdos_int_21h_08h_thread(LPVOID)
1.1 root 8878: {
8879: REG8(AL) = msdos_getch();
1.1.1.33 root 8880: ctrl_break_detected = ctrl_break_pressed;
1.1.1.26 root 8881:
1.1.1.35 root 8882: #ifdef USE_SERVICE_THREAD
8883: service_exit = true;
8884: #endif
8885: return(0);
8886: }
8887:
8888: inline void msdos_int_21h_08h()
8889: {
8890: #ifdef USE_SERVICE_THREAD
8891: start_service_loop(msdos_int_21h_08h_thread);
8892: #else
8893: msdos_int_21h_08h_thread(NULL);
8894: REQUEST_HARDWRE_UPDATE();
8895: #endif
1.1 root 8896: }
8897:
8898: inline void msdos_int_21h_09h()
8899: {
1.1.1.21 root 8900: msdos_stdio_reopen();
8901:
1.1.1.20 root 8902: process_t *process = msdos_process_info_get(current_psp);
8903: int fd = msdos_psp_get_file_table(1, current_psp);
8904:
1.1.1.14 root 8905: char *str = (char *)(mem + SREG_BASE(DS) + REG16(DX));
8906: int len = 0;
1.1 root 8907:
1.1.1.14 root 8908: while(str[len] != '$' && len < 0x10000) {
8909: len++;
8910: }
1.1.1.20 root 8911: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 8912: // stdout is redirected to file
1.1.1.20 root 8913: msdos_write(fd, str, len);
1.1 root 8914: } else {
8915: for(int i = 0; i < len; i++) {
1.1.1.14 root 8916: msdos_putch(str[i]);
1.1 root 8917: }
8918: }
1.1.1.33 root 8919: REG8(AL) = '$';
8920: ctrl_break_detected = ctrl_break_pressed;
1.1 root 8921: }
8922:
1.1.1.35 root 8923: DWORD WINAPI msdos_int_21h_0ah_thread(LPVOID)
1.1 root 8924: {
1.1.1.3 root 8925: int ofs = SREG_BASE(DS) + REG16(DX);
1.1 root 8926: int max = mem[ofs] - 1;
8927: UINT8 *buf = mem + ofs + 2;
8928: int chr, p = 0;
8929:
8930: while((chr = msdos_getch()) != 0x0d) {
1.1.1.33 root 8931: if((ctrl_break_checking && ctrl_break_pressed) || ctrl_c_pressed) {
1.1.1.26 root 8932: p = 0;
1.1.1.33 root 8933: msdos_putch(0x03);
8934: msdos_putch(0x0d);
8935: msdos_putch(0x0a);
1.1.1.26 root 8936: break;
1.1.1.33 root 8937: } else if(ctrl_break_pressed) {
8938: // skip this byte
1.1.1.26 root 8939: } else if(chr == 0x00) {
1.1 root 8940: // skip 2nd byte
8941: msdos_getch();
8942: } else if(chr == 0x08) {
8943: // back space
8944: if(p > 0) {
8945: p--;
1.1.1.20 root 8946: if(msdos_ctrl_code_check(buf[p])) {
1.1.1.34 root 8947: msdos_putch(0x08);
8948: msdos_putch(0x08);
8949: msdos_putch(0x20);
8950: msdos_putch(0x20);
8951: msdos_putch(0x08);
8952: msdos_putch(0x08);
1.1.1.36 root 8953: } else if(p > 0 && msdos_kanji_2nd_byte_check(buf, p)) {
8954: p--;
8955: msdos_putch(0x08);
8956: msdos_putch(0x08);
8957: msdos_putch(0x20);
8958: msdos_putch(0x20);
8959: msdos_putch(0x08);
8960: msdos_putch(0x08);
1.1.1.34 root 8961: } else {
8962: msdos_putch(0x08);
8963: msdos_putch(0x20);
8964: msdos_putch(0x08);
8965: }
8966: }
8967: } else if(chr == 0x1b) {
8968: // escape
8969: while(p > 0) {
8970: p--;
8971: if(msdos_ctrl_code_check(buf[p])) {
8972: msdos_putch(0x08);
8973: msdos_putch(0x08);
8974: msdos_putch(0x20);
8975: msdos_putch(0x20);
8976: msdos_putch(0x08);
8977: msdos_putch(0x08);
1.1.1.20 root 8978: } else {
1.1.1.34 root 8979: msdos_putch(0x08);
8980: msdos_putch(0x20);
8981: msdos_putch(0x08);
1.1.1.20 root 8982: }
1.1 root 8983: }
8984: } else if(p < max) {
8985: buf[p++] = chr;
8986: msdos_putch(chr);
8987: }
8988: }
8989: buf[p] = 0x0d;
8990: mem[ofs + 1] = p;
1.1.1.33 root 8991: ctrl_break_detected = ctrl_break_pressed;
1.1.1.26 root 8992:
1.1.1.35 root 8993: #ifdef USE_SERVICE_THREAD
8994: service_exit = true;
8995: #endif
8996: return(0);
8997: }
8998:
8999: inline void msdos_int_21h_0ah()
9000: {
9001: if(mem[SREG_BASE(DS) + REG16(DX)] != 0x00) {
9002: #ifdef USE_SERVICE_THREAD
9003: start_service_loop(msdos_int_21h_0ah_thread);
9004: #else
9005: msdos_int_21h_0ah_thread(NULL);
9006: REQUEST_HARDWRE_UPDATE();
9007: #endif
9008: }
1.1 root 9009: }
9010:
9011: inline void msdos_int_21h_0bh()
9012: {
9013: if(msdos_kbhit()) {
9014: REG8(AL) = 0xff;
9015: } else {
9016: REG8(AL) = 0x00;
1.1.1.14 root 9017: maybe_idle();
1.1 root 9018: }
1.1.1.33 root 9019: ctrl_break_detected = ctrl_break_pressed;
1.1 root 9020: }
9021:
9022: inline void msdos_int_21h_0ch()
9023: {
9024: // clear key buffer
1.1.1.21 root 9025: msdos_stdio_reopen();
9026:
1.1.1.20 root 9027: process_t *process = msdos_process_info_get(current_psp);
9028: int fd = msdos_psp_get_file_table(0, current_psp);
9029:
9030: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 9031: // stdin is redirected to file
9032: } else {
9033: while(msdos_kbhit()) {
9034: msdos_getch();
9035: }
9036: }
9037:
9038: switch(REG8(AL)) {
9039: case 0x01:
9040: msdos_int_21h_01h();
9041: break;
9042: case 0x06:
9043: msdos_int_21h_06h();
9044: break;
9045: case 0x07:
9046: msdos_int_21h_07h();
9047: break;
9048: case 0x08:
9049: msdos_int_21h_08h();
9050: break;
9051: case 0x0a:
9052: msdos_int_21h_0ah();
9053: break;
9054: default:
1.1.1.22 root 9055: // 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));
9056: // REG16(AX) = 0x01;
9057: // m_CF = 1;
1.1 root 9058: break;
9059: }
9060: }
9061:
9062: inline void msdos_int_21h_0dh()
9063: {
9064: }
9065:
9066: inline void msdos_int_21h_0eh()
9067: {
9068: if(REG8(DL) < 26) {
9069: _chdrive(REG8(DL) + 1);
9070: msdos_cds_update(REG8(DL));
1.1.1.23 root 9071: msdos_sda_update(current_psp);
1.1 root 9072: }
9073: REG8(AL) = 26; // zdrive
9074: }
9075:
1.1.1.14 root 9076: inline void msdos_int_21h_0fh()
9077: {
9078: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9079: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
1.1.1.45 root 9080: const char *path = msdos_fcb_path(fcb);
1.1.1.14 root 9081: 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 9082:
1.1.1.14 root 9083: if(hFile == INVALID_HANDLE_VALUE) {
9084: REG8(AL) = 0xff;
9085: } else {
9086: REG8(AL) = 0;
9087: fcb->current_block = 0;
9088: fcb->record_size = 128;
9089: fcb->file_size = GetFileSize(hFile, NULL);
9090: fcb->handle = hFile;
9091: fcb->cur_record = 0;
9092: }
9093: }
9094:
9095: inline void msdos_int_21h_10h()
9096: {
9097: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9098: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9099:
9100: REG8(AL) = CloseHandle(fcb->handle) ? 0 : 0xff;
9101: }
9102:
1.1 root 9103: inline void msdos_int_21h_11h()
9104: {
1.1.1.3 root 9105: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9106: fcb_t *fcb = (fcb_t *)(mem + SREG_BASE(DS) + REG16(DX) + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 9107:
9108: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 9109: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9110: ext_fcb_t *ext_find = (ext_fcb_t *)(mem + dta_laddr);
9111: find_fcb_t *find = (find_fcb_t *)(mem + dta_laddr + (ext_fcb->flag == 0xff ? 7 : 0));
1.1.1.45 root 9112: const char *path = msdos_fcb_path(fcb);
1.1 root 9113: WIN32_FIND_DATA fd;
9114:
1.1.1.13 root 9115: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, dta_laddr);
9116: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
9117: FindClose(dtainfo->find_handle);
9118: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 9119: }
9120: strcpy(process->volume_label, msdos_volume_label(path));
1.1.1.14 root 9121: dtainfo->allowable_mask = (ext_fcb->flag == 0xff) ? ext_fcb->attribute : 0x20;
9122: bool label_only = (dtainfo->allowable_mask == 8);
1.1 root 9123:
1.1.1.14 root 9124: if((dtainfo->allowable_mask & 8) && !msdos_match_volume_label(path, msdos_short_volume_label(process->volume_label))) {
9125: dtainfo->allowable_mask &= ~8;
1.1 root 9126: }
1.1.1.14 root 9127: if(!label_only && (dtainfo->find_handle = FindFirstFile(path, &fd)) != INVALID_HANDLE_VALUE) {
9128: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 9129: !msdos_find_file_has_8dot3name(&fd)) {
9130: if(!FindNextFile(dtainfo->find_handle, &fd)) {
9131: FindClose(dtainfo->find_handle);
9132: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 9133: break;
9134: }
9135: }
9136: }
1.1.1.13 root 9137: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 9138: if(ext_fcb->flag == 0xff) {
9139: ext_find->flag = 0xff;
9140: memset(ext_find->reserved, 0, 5);
9141: ext_find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
9142: }
9143: find->drive = _getdrive();
1.1.1.13 root 9144: msdos_set_fcb_path((fcb_t *)find, msdos_short_name(&fd));
1.1 root 9145: find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
9146: find->nt_res = 0;
9147: msdos_find_file_conv_local_time(&fd);
9148: find->create_time_ms = 0;
9149: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
9150: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
9151: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
9152: find->cluster_hi = find->cluster_lo = 0;
9153: find->file_size = fd.nFileSizeLow;
9154: REG8(AL) = 0x00;
1.1.1.14 root 9155: } else if(dtainfo->allowable_mask & 8) {
1.1 root 9156: if(ext_fcb->flag == 0xff) {
9157: ext_find->flag = 0xff;
9158: memset(ext_find->reserved, 0, 5);
9159: ext_find->attribute = 8;
9160: }
9161: find->drive = _getdrive();
9162: msdos_set_fcb_path((fcb_t *)find, msdos_short_volume_label(process->volume_label));
9163: find->attribute = 8;
9164: find->nt_res = 0;
9165: msdos_find_file_conv_local_time(&fd);
9166: find->create_time_ms = 0;
9167: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
9168: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
9169: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
9170: find->cluster_hi = find->cluster_lo = 0;
9171: find->file_size = 0;
1.1.1.14 root 9172: dtainfo->allowable_mask &= ~8;
1.1 root 9173: REG8(AL) = 0x00;
9174: } else {
9175: REG8(AL) = 0xff;
9176: }
9177: }
9178:
9179: inline void msdos_int_21h_12h()
9180: {
1.1.1.3 root 9181: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
1.1.1.14 root 9182: // fcb_t *fcb = (fcb_t *)(mem + SREG_BASE(DS) + REG16(DX) + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 9183:
9184: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 9185: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9186: ext_fcb_t *ext_find = (ext_fcb_t *)(mem + dta_laddr);
9187: find_fcb_t *find = (find_fcb_t *)(mem + dta_laddr + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 9188: WIN32_FIND_DATA fd;
9189:
1.1.1.13 root 9190: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, dta_laddr);
9191: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
9192: if(FindNextFile(dtainfo->find_handle, &fd)) {
1.1.1.14 root 9193: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 9194: !msdos_find_file_has_8dot3name(&fd)) {
9195: if(!FindNextFile(dtainfo->find_handle, &fd)) {
9196: FindClose(dtainfo->find_handle);
9197: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 9198: break;
9199: }
9200: }
9201: } else {
1.1.1.13 root 9202: FindClose(dtainfo->find_handle);
9203: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 9204: }
9205: }
1.1.1.13 root 9206: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 9207: if(ext_fcb->flag == 0xff) {
9208: ext_find->flag = 0xff;
9209: memset(ext_find->reserved, 0, 5);
9210: ext_find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
9211: }
9212: find->drive = _getdrive();
1.1.1.13 root 9213: msdos_set_fcb_path((fcb_t *)find, msdos_short_name(&fd));
1.1 root 9214: find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
9215: find->nt_res = 0;
9216: msdos_find_file_conv_local_time(&fd);
9217: find->create_time_ms = 0;
9218: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
9219: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
9220: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
9221: find->cluster_hi = find->cluster_lo = 0;
9222: find->file_size = fd.nFileSizeLow;
9223: REG8(AL) = 0x00;
1.1.1.14 root 9224: } else if(dtainfo->allowable_mask & 8) {
1.1 root 9225: if(ext_fcb->flag == 0xff) {
9226: ext_find->flag = 0xff;
9227: memset(ext_find->reserved, 0, 5);
9228: ext_find->attribute = 8;
9229: }
9230: find->drive = _getdrive();
9231: msdos_set_fcb_path((fcb_t *)find, msdos_short_volume_label(process->volume_label));
9232: find->attribute = 8;
9233: find->nt_res = 0;
9234: msdos_find_file_conv_local_time(&fd);
9235: find->create_time_ms = 0;
9236: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
9237: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
9238: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
9239: find->cluster_hi = find->cluster_lo = 0;
9240: find->file_size = 0;
1.1.1.14 root 9241: dtainfo->allowable_mask &= ~8;
1.1 root 9242: REG8(AL) = 0x00;
9243: } else {
9244: REG8(AL) = 0xff;
9245: }
9246: }
9247:
9248: inline void msdos_int_21h_13h()
9249: {
1.1.1.3 root 9250: if(remove(msdos_fcb_path((fcb_t *)(mem + SREG_BASE(DS) + REG16(DX))))) {
1.1 root 9251: REG8(AL) = 0xff;
9252: } else {
9253: REG8(AL) = 0x00;
9254: }
9255: }
9256:
1.1.1.16 root 9257: inline void msdos_int_21h_14h()
9258: {
9259: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9260: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9261: process_t *process = msdos_process_info_get(current_psp);
9262: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9263: DWORD num = 0;
9264:
9265: memset(mem + dta_laddr, 0, fcb->record_size);
9266: if(!ReadFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL) || num == 0) {
9267: REG8(AL) = 1;
9268: } else {
9269: UINT32 position = fcb->current_block * fcb->record_size + fcb->cur_record + num;
9270: fcb->current_block = (position & 0xffffff) / fcb->record_size;
9271: fcb->cur_record = (position & 0xffffff) % fcb->record_size;
9272: REG8(AL) = (num == fcb->record_size) ? 0 : 3;
9273: }
9274: }
9275:
9276: inline void msdos_int_21h_15h()
1.1.1.14 root 9277: {
9278: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9279: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
1.1.1.16 root 9280: process_t *process = msdos_process_info_get(current_psp);
9281: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9282: DWORD num = 0;
1.1.1.14 root 9283:
1.1.1.16 root 9284: if(!WriteFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL) || num == 0) {
9285: REG8(AL) = 1;
9286: } else {
9287: fcb->file_size = GetFileSize(fcb->handle, NULL);
9288: UINT32 position = fcb->current_block * fcb->record_size + fcb->cur_record + num;
9289: fcb->current_block = (position & 0xffffff) / fcb->record_size;
9290: fcb->cur_record = (position & 0xffffff) % fcb->record_size;
9291: REG8(AL) = (num == fcb->record_size) ? 0 : 1;
9292: }
9293: }
9294:
9295: inline void msdos_int_21h_16h()
9296: {
9297: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9298: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
1.1.1.45 root 9299: const char *path = msdos_fcb_path(fcb);
1.1.1.14 root 9300: 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 9301:
1.1.1.14 root 9302: if(hFile == INVALID_HANDLE_VALUE) {
9303: REG8(AL) = 0xff;
9304: } else {
9305: REG8(AL) = 0;
9306: fcb->current_block = 0;
9307: fcb->record_size = 128;
9308: fcb->file_size = 0;
9309: fcb->handle = hFile;
9310: fcb->cur_record = 0;
9311: }
9312: }
9313:
1.1.1.16 root 9314: inline void msdos_int_21h_17h()
9315: {
9316: ext_fcb_t *ext_fcb_src = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9317: fcb_t *fcb_src = (fcb_t *)(ext_fcb_src + (ext_fcb_src->flag == 0xff ? 1 : 0));
1.1.1.45 root 9318: // const char *path_src = msdos_fcb_path(fcb_src);
9319: char path_src[MAX_PATH];
9320: strcpy(path_src, msdos_fcb_path(fcb_src));
9321:
1.1.1.16 root 9322: ext_fcb_t *ext_fcb_dst = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX) + 16);
9323: fcb_t *fcb_dst = (fcb_t *)(ext_fcb_dst + (ext_fcb_dst->flag == 0xff ? 1 : 0));
1.1.1.45 root 9324: // const char *path_dst = msdos_fcb_path(fcb_dst);
9325: char path_dst[MAX_PATH];
9326: strcpy(path_dst, msdos_fcb_path(fcb_dst));
1.1.1.16 root 9327:
9328: if(rename(path_src, path_dst)) {
9329: REG8(AL) = 0xff;
9330: } else {
9331: REG8(AL) = 0;
9332: }
9333: }
9334:
1.1 root 9335: inline void msdos_int_21h_18h()
9336: {
9337: REG8(AL) = 0x00;
9338: }
9339:
9340: inline void msdos_int_21h_19h()
9341: {
9342: REG8(AL) = _getdrive() - 1;
9343: }
9344:
9345: inline void msdos_int_21h_1ah()
9346: {
9347: process_t *process = msdos_process_info_get(current_psp);
9348:
9349: process->dta.w.l = REG16(DX);
1.1.1.3 root 9350: process->dta.w.h = SREG(DS);
1.1.1.23 root 9351: msdos_sda_update(current_psp);
1.1 root 9352: }
9353:
9354: inline void msdos_int_21h_1bh()
9355: {
9356: int drive_num = _getdrive() - 1;
9357: UINT16 seg, ofs;
9358:
9359: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
9360: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
9361: REG8(AL) = dpb->highest_sector_num + 1;
9362: REG16(CX) = dpb->bytes_per_sector;
9363: REG16(DX) = dpb->highest_cluster_num - 1;
1.1.1.3 root 9364: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(BX)) = dpb->media_type;
1.1 root 9365: } else {
9366: REG8(AL) = 0xff;
1.1.1.3 root 9367: m_CF = 1;
1.1 root 9368: }
9369:
9370: }
9371:
9372: inline void msdos_int_21h_1ch()
9373: {
1.1.1.41 root 9374: int drive_num = (REG8(DL) == 0) ? (_getdrive() - 1) : (REG8(DL) - 1);
1.1 root 9375: UINT16 seg, ofs;
9376:
9377: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
9378: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
9379: REG8(AL) = dpb->highest_sector_num + 1;
9380: REG16(CX) = dpb->bytes_per_sector;
9381: REG16(DX) = dpb->highest_cluster_num - 1;
1.1.1.3 root 9382: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(BX)) = dpb->media_type;
1.1 root 9383: } else {
9384: REG8(AL) = 0xff;
1.1.1.3 root 9385: m_CF = 1;
1.1 root 9386: }
9387:
9388: }
9389:
9390: inline void msdos_int_21h_1dh()
9391: {
9392: REG8(AL) = 0;
9393: }
9394:
9395: inline void msdos_int_21h_1eh()
9396: {
9397: REG8(AL) = 0;
9398: }
9399:
9400: inline void msdos_int_21h_1fh()
9401: {
9402: int drive_num = _getdrive() - 1;
9403: UINT16 seg, ofs;
9404:
9405: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
9406: REG8(AL) = 0;
1.1.1.3 root 9407: SREG(DS) = seg;
9408: i386_load_segment_descriptor(DS);
1.1 root 9409: REG16(BX) = ofs;
9410: } else {
9411: REG8(AL) = 0xff;
1.1.1.3 root 9412: m_CF = 1;
1.1 root 9413: }
9414: }
9415:
9416: inline void msdos_int_21h_20h()
9417: {
9418: REG8(AL) = 0;
9419: }
9420:
1.1.1.14 root 9421: inline void msdos_int_21h_21h()
9422: {
9423: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9424: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9425:
9426: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
9427: REG8(AL) = 1;
9428: } else {
9429: process_t *process = msdos_process_info_get(current_psp);
9430: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9431: memset(mem + dta_laddr, 0, fcb->record_size);
1.1.1.16 root 9432: DWORD num = 0;
1.1.1.14 root 9433: if(!ReadFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL) || num == 0) {
9434: REG8(AL) = 1;
9435: } else {
9436: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
9437: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
1.1.1.16 root 9438: REG8(AL) = (num == fcb->record_size) ? 0 : 3;
1.1.1.14 root 9439: }
9440: }
9441: }
9442:
9443: inline void msdos_int_21h_22h()
9444: {
9445: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9446: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9447:
9448: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
9449: REG8(AL) = 0xff;
9450: } else {
9451: process_t *process = msdos_process_info_get(current_psp);
9452: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
1.1.1.16 root 9453: DWORD num = 0;
1.1.1.14 root 9454: WriteFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL);
9455: fcb->file_size = GetFileSize(fcb->handle, NULL);
9456: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
9457: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
1.1.1.16 root 9458: REG8(AL) = (num == fcb->record_size) ? 0 : 1;
1.1.1.14 root 9459: }
9460: }
9461:
1.1.1.16 root 9462: inline void msdos_int_21h_23h()
9463: {
9464: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9465: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
1.1.1.45 root 9466: const char *path = msdos_fcb_path(fcb);
1.1.1.16 root 9467: HANDLE hFile = CreateFile(path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
9468:
9469: if(hFile == INVALID_HANDLE_VALUE) {
9470: REG8(AL) = 0xff;
9471: } else {
9472: UINT32 size = GetFileSize(hFile, NULL);
9473: fcb->rand_record = size / fcb->record_size + ((size % fcb->record_size) != 0);
9474: REG8(AL) = 0;
9475: }
9476: }
9477:
9478: inline void msdos_int_21h_24h()
9479: {
9480: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9481: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9482:
9483: fcb->rand_record = fcb->current_block * fcb->record_size + fcb->cur_record;
9484: }
9485:
1.1 root 9486: inline void msdos_int_21h_25h()
9487: {
9488: *(UINT16 *)(mem + 4 * REG8(AL) + 0) = REG16(DX);
1.1.1.3 root 9489: *(UINT16 *)(mem + 4 * REG8(AL) + 2) = SREG(DS);
1.1 root 9490: }
9491:
9492: inline void msdos_int_21h_26h()
9493: {
9494: psp_t *psp = (psp_t *)(mem + (REG16(DX) << 4));
9495:
9496: memcpy(mem + (REG16(DX) << 4), mem + (current_psp << 4), sizeof(psp_t));
9497: psp->first_mcb = REG16(DX) + 16;
9498: psp->int_22h.dw = *(UINT32 *)(mem + 4 * 0x22);
9499: psp->int_23h.dw = *(UINT32 *)(mem + 4 * 0x23);
9500: psp->int_24h.dw = *(UINT32 *)(mem + 4 * 0x24);
9501: psp->parent_psp = 0;
9502: }
9503:
1.1.1.16 root 9504: inline void msdos_int_21h_27h()
9505: {
9506: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9507: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9508:
9509: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
9510: REG8(AL) = 1;
9511: } else {
9512: process_t *process = msdos_process_info_get(current_psp);
9513: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9514: memset(mem + dta_laddr, 0, fcb->record_size * REG16(CX));
9515: DWORD num = 0;
9516: if(!ReadFile(fcb->handle, mem + dta_laddr, fcb->record_size * REG16(CX), &num, NULL) || num == 0) {
9517: REG8(AL) = 1;
9518: } else {
9519: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
9520: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
9521: REG8(AL) = (num == fcb->record_size) ? 0 : 3;
9522: REG16(CX) = num / fcb->record_size + ((num % fcb->record_size) != 0);
9523: }
9524: }
9525: }
9526:
9527: inline void msdos_int_21h_28h()
9528: {
9529: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
9530: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
9531:
9532: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
9533: REG8(AL) = 0xff;
9534: } else {
9535: process_t *process = msdos_process_info_get(current_psp);
9536: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
9537: DWORD num = 0;
9538: WriteFile(fcb->handle, mem + dta_laddr, fcb->record_size * REG16(CX), &num, NULL);
9539: fcb->file_size = GetFileSize(fcb->handle, NULL);
9540: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
9541: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
9542: REG8(AL) = (num == fcb->record_size) ? 0 : 1;
9543: REG16(CX) = num / fcb->record_size + ((num % fcb->record_size) != 0);
9544: }
9545: }
9546:
1.1 root 9547: inline void msdos_int_21h_29h()
9548: {
1.1.1.20 root 9549: int ofs = 0;//SREG_BASE(DS) + REG16(SI);
9550: char buffer[1024], name[MAX_PATH], ext[MAX_PATH];
1.1 root 9551: UINT8 drv = 0;
9552: char sep_chars[] = ":.;,=+";
9553: char end_chars[] = "\\<>|/\"[]";
9554: char spc_chars[] = " \t";
9555:
1.1.1.20 root 9556: memcpy(buffer, mem + SREG_BASE(DS) + REG16(SI), 1023);
9557: buffer[1023] = 0;
9558: memset(name, 0x20, sizeof(name));
9559: memset(ext, 0x20, sizeof(ext));
9560:
1.1 root 9561: if(REG8(AL) & 1) {
1.1.1.20 root 9562: ofs += strspn((char *)(buffer + ofs), spc_chars);
9563: if(my_strchr(sep_chars, buffer[ofs]) && buffer[ofs] != '\0') {
1.1 root 9564: ofs++;
9565: }
9566: }
1.1.1.20 root 9567: ofs += strspn((char *)(buffer + ofs), spc_chars);
1.1 root 9568:
1.1.1.24 root 9569: if(buffer[ofs + 1] == ':') {
9570: if(buffer[ofs] >= 'a' && buffer[ofs] <= 'z') {
9571: drv = buffer[ofs] - 'a' + 1;
1.1.1.20 root 9572: ofs += 2;
1.1.1.24 root 9573: if(buffer[ofs] == '\\' || buffer[ofs] == '/') {
9574: ofs++;
9575: }
9576: } else if(buffer[ofs] >= 'A' && buffer[ofs] <= 'Z') {
9577: drv = buffer[ofs] - 'A' + 1;
1.1 root 9578: ofs += 2;
1.1.1.24 root 9579: if(buffer[ofs] == '\\' || buffer[ofs] == '/') {
9580: ofs++;
9581: }
1.1 root 9582: }
9583: }
1.1.1.20 root 9584: for(int i = 0, is_kanji = 0; i < MAX_PATH; i++) {
9585: UINT8 c = buffer[ofs];
9586: if(is_kanji) {
9587: is_kanji = 0;
9588: } else if(msdos_lead_byte_check(c)) {
9589: is_kanji = 1;
9590: } else if(c <= 0x20 || my_strchr(end_chars, c) || my_strchr(sep_chars, c)) {
1.1 root 9591: break;
9592: } else if(c >= 'a' && c <= 'z') {
9593: c -= 0x20;
9594: }
9595: ofs++;
9596: name[i] = c;
9597: }
1.1.1.20 root 9598: if(buffer[ofs] == '.') {
1.1 root 9599: ofs++;
1.1.1.20 root 9600: for(int i = 0, is_kanji = 0; i < MAX_PATH; i++) {
9601: UINT8 c = buffer[ofs];
9602: if(is_kanji) {
9603: is_kanji = 0;
9604: } else if(msdos_lead_byte_check(c)) {
9605: is_kanji = 1;
9606: } else if(c <= 0x20 || my_strchr(end_chars, c) || my_strchr(sep_chars, c)) {
1.1 root 9607: break;
9608: } else if(c >= 'a' && c <= 'z') {
9609: c -= 0x20;
9610: }
9611: ofs++;
9612: ext[i] = c;
9613: }
9614: }
1.1.1.20 root 9615: int si = REG16(SI) + ofs;
1.1.1.3 root 9616: int ds = SREG(DS);
1.1 root 9617: while(si > 0xffff) {
9618: si -= 0x10;
9619: ds++;
9620: }
9621: REG16(SI) = si;
1.1.1.3 root 9622: SREG(DS) = ds;
9623: i386_load_segment_descriptor(DS);
1.1 root 9624:
1.1.1.3 root 9625: UINT8 *fcb = mem + SREG_BASE(ES) + REG16(DI);
1.1.1.20 root 9626: if(!(REG8(AL) & 2) || drv != 0) {
9627: fcb[0] = drv;
9628: }
9629: if(!(REG8(AL) & 4) || name[0] != 0x20) {
9630: memcpy(fcb + 1, name, 8);
9631: }
9632: if(!(REG8(AL) & 8) || ext[0] != 0x20) {
9633: memcpy(fcb + 9, ext, 3);
9634: }
9635: for(int i = 1, found_star = 0; i < 1 + 8; i++) {
1.1 root 9636: if(fcb[i] == '*') {
9637: found_star = 1;
9638: }
9639: if(found_star) {
9640: fcb[i] = '?';
9641: }
9642: }
1.1.1.20 root 9643: for(int i = 9, found_star = 0; i < 9 + 3; i++) {
1.1 root 9644: if(fcb[i] == '*') {
9645: found_star = 1;
9646: }
9647: if(found_star) {
9648: fcb[i] = '?';
9649: }
9650: }
9651:
1.1.1.44 root 9652: if(drv == 0 || msdos_is_valid_drive(drv - 1)) {
1.1 root 9653: if(memchr(fcb + 1, '?', 8 + 3)) {
9654: REG8(AL) = 0x01;
1.1.1.20 root 9655: } else {
9656: REG8(AL) = 0x00;
1.1 root 9657: }
9658: } else {
9659: REG8(AL) = 0xff;
9660: }
9661: }
9662:
9663: inline void msdos_int_21h_2ah()
9664: {
9665: SYSTEMTIME sTime;
9666:
9667: GetLocalTime(&sTime);
9668: REG16(CX) = sTime.wYear;
9669: REG8(DH) = (UINT8)sTime.wMonth;
9670: REG8(DL) = (UINT8)sTime.wDay;
9671: REG8(AL) = (UINT8)sTime.wDayOfWeek;
9672: }
9673:
9674: inline void msdos_int_21h_2bh()
9675: {
1.1.1.14 root 9676: REG8(AL) = 0xff;
1.1 root 9677: }
9678:
9679: inline void msdos_int_21h_2ch()
9680: {
9681: SYSTEMTIME sTime;
9682:
9683: GetLocalTime(&sTime);
9684: REG8(CH) = (UINT8)sTime.wHour;
9685: REG8(CL) = (UINT8)sTime.wMinute;
9686: REG8(DH) = (UINT8)sTime.wSecond;
1.1.1.14 root 9687: REG8(DL) = (UINT8)sTime.wMilliseconds / 10;
1.1 root 9688: }
9689:
9690: inline void msdos_int_21h_2dh()
9691: {
9692: REG8(AL) = 0x00;
9693: }
9694:
9695: inline void msdos_int_21h_2eh()
9696: {
9697: process_t *process = msdos_process_info_get(current_psp);
9698:
9699: process->verify = REG8(AL);
9700: }
9701:
9702: inline void msdos_int_21h_2fh()
9703: {
9704: process_t *process = msdos_process_info_get(current_psp);
9705:
9706: REG16(BX) = process->dta.w.l;
1.1.1.3 root 9707: SREG(ES) = process->dta.w.h;
9708: i386_load_segment_descriptor(ES);
1.1 root 9709: }
9710:
9711: inline void msdos_int_21h_30h()
9712: {
9713: // Version Flag / OEM
1.1.1.27 root 9714: if(REG8(AL) == 0x01) {
1.1.1.29 root 9715: #ifdef SUPPORT_HMA
9716: REG16(BX) = 0x0000;
9717: #else
9718: REG16(BX) = 0x1000; // DOS is in HMA
9719: #endif
1.1 root 9720: } else {
1.1.1.27 root 9721: // NOTE: EXDEB invites BL shows the machine type (0=PC-98, 1=PC/AT, 2=FMR),
9722: // but this is not correct on Windows 98 SE
9723: // REG16(BX) = 0xff01; // OEM = Microsoft, PC/AT
9724: REG16(BX) = 0xff00; // OEM = Microsoft
1.1 root 9725: }
1.1.1.27 root 9726: REG16(CX) = 0x0000;
1.1.1.30 root 9727: REG8(AL) = dos_major_version; // 7
9728: REG8(AH) = dos_minor_version; // 10
1.1 root 9729: }
9730:
9731: inline void msdos_int_21h_31h()
9732: {
1.1.1.29 root 9733: try {
9734: msdos_mem_realloc(current_psp, REG16(DX), NULL);
9735: } catch(...) {
9736: // recover the broken mcb
9737: int mcb_seg = current_psp - 1;
9738: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1.1.33 root 9739:
1.1.1.29 root 9740: if(mcb_seg < (MEMORY_END >> 4)) {
1.1.1.33 root 9741: mcb->mz = 'M';
9742: mcb->paragraphs = (MEMORY_END >> 4) - mcb_seg - 2;
9743:
1.1.1.29 root 9744: if(((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked & 0x01) {
1.1.1.39 root 9745: msdos_mcb_create((MEMORY_END >> 4) - 1, 'M', PSP_SYSTEM, (UMB_TOP >> 4) - (MEMORY_END >> 4), "SC");
1.1.1.29 root 9746: } else {
1.1.1.39 root 9747: msdos_mcb_create((MEMORY_END >> 4) - 1, 'Z', PSP_SYSTEM, 0, "SC");
1.1.1.29 root 9748: }
9749: } else {
9750: mcb->mz = 'Z';
1.1.1.30 root 9751: mcb->paragraphs = (UMB_END >> 4) - mcb_seg - 1;
1.1.1.29 root 9752: }
9753: msdos_mem_realloc(current_psp, REG16(DX), NULL);
9754: }
1.1 root 9755: msdos_process_terminate(current_psp, REG8(AL) | 0x300, 0);
9756: }
9757:
9758: inline void msdos_int_21h_32h()
9759: {
9760: int drive_num = (REG8(DL) == 0) ? (_getdrive() - 1) : (REG8(DL) - 1);
9761: UINT16 seg, ofs;
9762:
9763: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
9764: REG8(AL) = 0;
1.1.1.3 root 9765: SREG(DS) = seg;
9766: i386_load_segment_descriptor(DS);
1.1 root 9767: REG16(BX) = ofs;
9768: } else {
9769: REG8(AL) = 0xff;
1.1.1.3 root 9770: m_CF = 1;
1.1 root 9771: }
9772: }
9773:
9774: inline void msdos_int_21h_33h()
9775: {
9776: char path[MAX_PATH];
9777:
9778: switch(REG8(AL)) {
9779: case 0x00:
1.1.1.33 root 9780: REG8(DL) = ctrl_break_checking;
1.1 root 9781: break;
9782: case 0x01:
1.1.1.33 root 9783: ctrl_break_checking = REG8(DL);
9784: break;
9785: case 0x02:
9786: {
9787: UINT8 old = ctrl_break_checking;
9788: ctrl_break_checking = REG8(DL);
9789: REG8(DL) = old;
9790: }
9791: break;
9792: case 0x03:
9793: case 0x04:
9794: // DOS 4.0+ - Unused
1.1 root 9795: break;
9796: case 0x05:
9797: GetSystemDirectory(path, MAX_PATH);
9798: if(path[0] >= 'a' && path[0] <= 'z') {
9799: REG8(DL) = path[0] - 'a' + 1;
9800: } else {
9801: REG8(DL) = path[0] - 'A' + 1;
9802: }
9803: break;
9804: case 0x06:
1.1.1.2 root 9805: // MS-DOS version (7.10)
1.1 root 9806: REG8(BL) = 7;
1.1.1.2 root 9807: REG8(BH) = 10;
1.1 root 9808: REG8(DL) = 0;
1.1.1.29 root 9809: #ifdef SUPPORT_HMA
9810: REG8(DH) = 0x00;
9811: #else
9812: REG8(DH) = 0x10; // DOS is in HMA
9813: #endif
1.1 root 9814: break;
1.1.1.6 root 9815: case 0x07:
9816: if(REG8(DL) == 0) {
9817: ((dos_info_t *)(mem + DOS_INFO_TOP))->dos_flag &= ~0x20;
9818: } else if(REG8(DL) == 1) {
9819: ((dos_info_t *)(mem + DOS_INFO_TOP))->dos_flag |= 0x20;
9820: }
9821: break;
1.1 root 9822: default:
1.1.1.22 root 9823: 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 9824: REG16(AX) = 0x01;
1.1.1.3 root 9825: m_CF = 1;
1.1 root 9826: break;
9827: }
9828: }
9829:
1.1.1.23 root 9830: inline void msdos_int_21h_34h()
9831: {
9832: SREG(ES) = SDA_TOP >> 4;
9833: i386_load_segment_descriptor(ES);
9834: REG16(BX) = offsetof(sda_t, indos_flag);;
9835: }
9836:
1.1 root 9837: inline void msdos_int_21h_35h()
9838: {
9839: REG16(BX) = *(UINT16 *)(mem + 4 * REG8(AL) + 0);
1.1.1.3 root 9840: SREG(ES) = *(UINT16 *)(mem + 4 * REG8(AL) + 2);
9841: i386_load_segment_descriptor(ES);
1.1 root 9842: }
9843:
9844: inline void msdos_int_21h_36h()
9845: {
9846: struct _diskfree_t df = {0};
9847:
9848: if(_getdiskfree(REG8(DL), &df) == 0) {
9849: REG16(AX) = (UINT16)df.sectors_per_cluster;
9850: REG16(CX) = (UINT16)df.bytes_per_sector;
1.1.1.13 root 9851: REG16(BX) = df.avail_clusters > 0xFFFF ? 0xFFFF : (UINT16)df.avail_clusters;
9852: REG16(DX) = df.total_clusters > 0xFFFF ? 0xFFFF : (UINT16)df.total_clusters;
1.1 root 9853: } else {
9854: REG16(AX) = 0xffff;
9855: }
9856: }
9857:
9858: inline void msdos_int_21h_37h()
9859: {
1.1.1.22 root 9860: static UINT8 dev_flag = 0xff;
1.1 root 9861:
9862: switch(REG8(AL)) {
9863: case 0x00:
1.1.1.22 root 9864: {
9865: process_t *process = msdos_process_info_get(current_psp);
9866: REG8(AL) = 0x00;
9867: REG8(DL) = process->switchar;
9868: }
1.1 root 9869: break;
9870: case 0x01:
1.1.1.22 root 9871: {
9872: process_t *process = msdos_process_info_get(current_psp);
9873: REG8(AL) = 0x00;
9874: process->switchar = REG8(DL);
1.1.1.23 root 9875: msdos_sda_update(current_psp);
1.1.1.22 root 9876: }
9877: break;
9878: case 0x02:
9879: REG8(DL) = dev_flag;
9880: break;
9881: case 0x03:
9882: dev_flag = REG8(DL);
9883: break;
9884: case 0xd0:
9885: case 0xd1:
9886: case 0xd2:
9887: case 0xd3:
9888: case 0xd4:
9889: case 0xd5:
9890: case 0xd6:
9891: case 0xd7:
9892: case 0xdc:
9893: case 0xdd:
9894: case 0xde:
9895: case 0xdf:
9896: // diet ???
9897: REG16(AX) = 1;
1.1 root 9898: break;
9899: default:
1.1.1.22 root 9900: 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 9901: REG16(AX) = 1;
9902: break;
9903: }
9904: }
9905:
1.1.1.42 root 9906: int get_country_info(country_info_t *ci, LCID locale)
1.1.1.17 root 9907: {
9908: char LCdata[80];
9909:
1.1.1.19 root 9910: ZeroMemory(ci, offsetof(country_info_t, reserved));
1.1.1.42 root 9911: GetLocaleInfo(locale, LOCALE_ICURRDIGITS, LCdata, sizeof(LCdata));
1.1.1.17 root 9912: ci->currency_dec_digits = atoi(LCdata);
1.1.1.42 root 9913: GetLocaleInfo(locale, LOCALE_ICURRENCY, LCdata, sizeof(LCdata));
1.1.1.17 root 9914: ci->currency_format = *LCdata - '0';
1.1.1.42 root 9915: GetLocaleInfo(locale, LOCALE_IDATE, LCdata, sizeof(LCdata));
1.1.1.17 root 9916: ci->date_format = *LCdata - '0';
1.1.1.42 root 9917: GetLocaleInfo(locale, LOCALE_SCURRENCY, LCdata, sizeof(LCdata));
1.1.1.17 root 9918: memcpy(&ci->currency_symbol, LCdata, 4);
1.1.1.42 root 9919: GetLocaleInfo(locale, LOCALE_SDATE, LCdata, sizeof(LCdata));
1.1.1.17 root 9920: *ci->date_sep = *LCdata;
1.1.1.42 root 9921: GetLocaleInfo(locale, LOCALE_SDECIMAL, LCdata, sizeof(LCdata));
1.1.1.17 root 9922: *ci->dec_sep = *LCdata;
1.1.1.42 root 9923: GetLocaleInfo(locale, LOCALE_SLIST, LCdata, sizeof(LCdata));
1.1.1.17 root 9924: *ci->list_sep = *LCdata;
1.1.1.42 root 9925: GetLocaleInfo(locale, LOCALE_STHOUSAND, LCdata, sizeof(LCdata));
1.1.1.17 root 9926: *ci->thou_sep = *LCdata;
1.1.1.42 root 9927: GetLocaleInfo(locale, LOCALE_STIME, LCdata, sizeof(LCdata));
1.1.1.17 root 9928: *ci->time_sep = *LCdata;
1.1.1.42 root 9929: GetLocaleInfo(locale, LOCALE_STIMEFORMAT, LCdata, sizeof(LCdata));
1.1.1.17 root 9930: if(strchr(LCdata, 'H') != NULL) {
9931: ci->time_format = 1;
9932: }
1.1.1.27 root 9933: ci->case_map.w.l = 0x000a; // dummy case map routine is at fffd:000a
1.1.1.24 root 9934: ci->case_map.w.h = 0xfffd;
1.1.1.42 root 9935: GetLocaleInfo(locale, LOCALE_ICOUNTRY, LCdata, sizeof(LCdata));
1.1.1.17 root 9936: return atoi(LCdata);
9937: }
9938:
1.1.1.42 root 9939: int get_country_info(country_info_t *ci, USHORT usPrimaryLanguage, USHORT usSubLanguage)
9940: {
9941: return get_country_info(ci, MAKELCID(MAKELANGID(usPrimaryLanguage, usSubLanguage), SORT_DEFAULT));
9942: }
9943:
9944: int get_country_info(country_info_t *ci)
9945: {
9946: return get_country_info(ci, LOCALE_USER_DEFAULT);
9947: }
9948:
1.1.1.43 root 9949: void set_country_info(country_info_t *ci, int size)
9950: {
9951: char LCdata[80];
9952:
9953: if(size >= 0x00 + 2) {
9954: memset(LCdata, 0, sizeof(LCdata));
9955: *LCdata = '0' + ci->date_format;
9956: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_IDATE, LCdata);
9957: }
9958: if(size >= 0x02 + 5) {
9959: memset(LCdata, 0, sizeof(LCdata));
9960: memcpy(LCdata, &ci->currency_symbol, 4);
9961: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SCURRENCY, LCdata);
9962: }
9963: if(size >= 0x07 + 2) {
9964: memset(LCdata, 0, sizeof(LCdata));
9965: *LCdata = *ci->thou_sep;
9966: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_STHOUSAND, LCdata);
9967: }
9968: if(size >= 0x09 + 2) {
9969: memset(LCdata, 0, sizeof(LCdata));
9970: *LCdata = *ci->dec_sep;
9971: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SDECIMAL, LCdata);
9972: }
9973: if(size >= 0x0b + 2) {
9974: memset(LCdata, 0, sizeof(LCdata));
9975: *LCdata = *ci->date_sep;
9976: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SDATE, LCdata);
9977: }
9978: if(size >= 0x0d + 2) {
9979: memset(LCdata, 0, sizeof(LCdata));
9980: *LCdata = *ci->time_sep;
9981: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_STIME, LCdata);
9982: }
9983: if(size >= 0x0f + 1) {
9984: memset(LCdata, 0, sizeof(LCdata));
9985: *LCdata = '0' + ci->currency_format;
9986: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_ICURRENCY, LCdata);
9987: }
9988: if(size >= 0x10 + 1) {
9989: sprintf(LCdata, "%d", ci->currency_dec_digits);
9990: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_ICURRDIGITS, LCdata);
9991: }
9992: if(size >= 0x11 + 1) {
9993: // FIXME: is time format always H/h:mm:ss ???
9994: if(ci->time_format & 1) {
9995: sprintf(LCdata, "H%cmm%css", *ci->time_sep, *ci->time_sep);
9996: } else {
9997: sprintf(LCdata, "h%cmm%css", *ci->time_sep, *ci->time_sep);
9998: }
9999: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_STIMEFORMAT, LCdata);
10000: }
10001: if(size >= 0x12 + 4) {
10002: // 12h DWORD address of case map routine
10003: // (FAR CALL, AL = character to map to upper case [>= 80h])
10004: }
10005: if(size >= 0x16 + 2) {
10006: memset(LCdata, 0, sizeof(LCdata));
10007: *LCdata = *ci->list_sep;
10008: SetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SLIST, LCdata);
10009: }
10010: }
10011:
1.1.1.42 root 10012: #ifndef SUBLANG_SWAHILI
10013: #define SUBLANG_SWAHILI 0x01
10014: #endif
10015: #ifndef SUBLANG_TSWANA_BOTSWANA
10016: #define SUBLANG_TSWANA_BOTSWANA 0x02
10017: #endif
10018: #ifndef SUBLANG_LITHUANIAN_LITHUANIA
10019: #define SUBLANG_LITHUANIAN_LITHUANIA 0x01
10020: #endif
10021: #ifndef LANG_BANGLA
10022: #define LANG_BANGLA 0x45
10023: #endif
10024: #ifndef SUBLANG_BANGLA_BANGLADESH
10025: #define SUBLANG_BANGLA_BANGLADESH 0x02
10026: #endif
10027:
10028: static const struct {
10029: int code;
10030: USHORT usPrimaryLanguage;
10031: USHORT usSubLanguage;
10032: } country_table[] = {
10033: {0x001, LANG_ENGLISH, SUBLANG_ENGLISH_US}, // United States
10034: {0x002, LANG_FRENCH, SUBLANG_FRENCH_CANADIAN}, // Canadian-French
10035: {0x004, LANG_ENGLISH, SUBLANG_ENGLISH_CAN}, // Canada (English)
10036: {0x007, LANG_RUSSIAN, SUBLANG_RUSSIAN_RUSSIA}, // Russia
10037: {0x014, LANG_ARABIC, SUBLANG_ARABIC_EGYPT}, // Egypt
10038: {0x01B, LANG_ZULU, SUBLANG_ZULU_SOUTH_AFRICA}, // South Africa
10039: // {0x01B, LANG_XHOSA, SUBLANG_XHOSA_SOUTH_AFRICA}, // South Africa
10040: // {0x01B, LANG_AFRIKAANS, SUBLANG_AFRIKAANS_SOUTH_AFRICA}, // South Africa
10041: // {0x01B, LANG_ENGLISH, SUBLANG_ENGLISH_SOUTH_AFRICA}, // South Africa
10042: // {0x01B, LANG_SOTHO, SUBLANG_SOTHO_NORTHERN_SOUTH_AFRICA}, // South Africa
10043: // {0x01B, LANG_TSWANA, SUBLANG_TSWANA_SOUTH_AFRICA}, // South Africa
10044: {0x01E, LANG_GREEK, SUBLANG_GREEK_GREECE}, // Greece
10045: {0x01F, LANG_DUTCH, SUBLANG_DUTCH}, // Netherlands
10046: // {0x01F, LANG_FRISIAN, SUBLANG_FRISIAN_NETHERLANDS}, // Netherlands
10047: {0x020, LANG_DUTCH, SUBLANG_DUTCH_BELGIAN}, // Belgium
10048: // {0x020, LANG_FRENCH, SUBLANG_FRENCH_BELGIAN}, // Belgium
10049: {0x021, LANG_FRENCH, SUBLANG_FRENCH}, // France
10050: {0x022, LANG_SPANISH, SUBLANG_SPANISH}, // Spain
10051: {0x023, LANG_BULGARIAN, SUBLANG_BULGARIAN_BULGARIA}, // Bulgaria???
10052: {0x024, LANG_HUNGARIAN, SUBLANG_HUNGARIAN_HUNGARY}, // Hungary (not supported by DR DOS 5.0)
10053: {0x027, LANG_ITALIAN, SUBLANG_ITALIAN}, // Italy / San Marino / Vatican City
10054: {0x028, LANG_ROMANIAN, SUBLANG_ROMANIAN_ROMANIA}, // Romania
10055: {0x029, LANG_GERMAN, SUBLANG_GERMAN_SWISS}, // Switzerland / Liechtenstein
10056: // {0x029, LANG_FRENCH, SUBLANG_FRENCH_SWISS}, // Switzerland / Liechtenstein
10057: // {0x029, LANG_ITALIAN, SUBLANG_ITALIAN_SWISS}, // Switzerland / Liechtenstein
10058: {0x02A, LANG_SLOVAK, SUBLANG_SLOVAK_SLOVAKIA}, // Czechoslovakia / Tjekia / Slovakia (not supported by DR DOS 5.0)
10059: {0x02B, LANG_GERMAN, SUBLANG_GERMAN_AUSTRIAN}, // Austria (DR DOS 5.0)
10060: {0x02C, LANG_ENGLISH, SUBLANG_ENGLISH_UK}, // United Kingdom
10061: {0x02D, LANG_DANISH, SUBLANG_DANISH_DENMARK}, // Denmark
10062: {0x02E, LANG_SWEDISH, SUBLANG_SWEDISH}, // Sweden
10063: // {0x02E, LANG_SAMI, SUBLANG_SAMI_NORTHERN_SWEDEN}, // Sweden
10064: // {0x02E, LANG_SAMI, SUBLANG_SAMI_LULE_SWEDEN}, // Sweden
10065: // {0x02E, LANG_SAMI, SUBLANG_SAMI_SOUTHERN_SWEDEN}, // Sweden
10066: {0x02F, LANG_NORWEGIAN, SUBLANG_NORWEGIAN_BOKMAL}, // Norway
10067: // {0x02F, LANG_NORWEGIAN, SUBLANG_NORWEGIAN_NYNORSK}, // Norway
10068: // {0x02F, LANG_SAMI, SUBLANG_SAMI_NORTHERN_NORWAY}, // Norway
10069: // {0x02F, LANG_SAMI, SUBLANG_SAMI_LULE_NORWAY}, // Norway
10070: // {0x02F, LANG_SAMI, SUBLANG_SAMI_SOUTHERN_NORWAY}, // Norway
10071: {0x030, LANG_POLISH, SUBLANG_POLISH_POLAND}, // Poland (not supported by DR DOS 5.0)
10072: {0x031, LANG_GERMAN, SUBLANG_GERMAN}, // Germany
10073: {0x033, LANG_SPANISH, SUBLANG_SPANISH_PERU}, // Peru
10074: // {0x033, LANG_QUECHUA, SUBLANG_QUECHUA_PERU}, // Peru
10075: {0x034, LANG_SPANISH, SUBLANG_SPANISH_MEXICAN}, // Mexico
10076: {0x035, LANG_SPANISH, SUBLANG_NEUTRAL}, // Cuba
10077: {0x036, LANG_SPANISH, SUBLANG_SPANISH_ARGENTINA}, // Argentina
10078: {0x037, LANG_PORTUGUESE, SUBLANG_PORTUGUESE_BRAZILIAN}, // Brazil (not supported by DR DOS 5.0)
10079: {0x038, LANG_SPANISH, SUBLANG_SPANISH_CHILE}, // Chile
10080: {0x039, LANG_SPANISH, SUBLANG_SPANISH_COLOMBIA}, // Columbia
10081: {0x03A, LANG_SPANISH, SUBLANG_SPANISH_VENEZUELA}, // Venezuela
10082: {0x03C, LANG_MALAY, SUBLANG_MALAY_MALAYSIA}, // Malaysia
10083: {0x03D, LANG_ENGLISH, SUBLANG_ENGLISH_AUS}, // International English / Australia
10084: {0x03E, LANG_INDONESIAN, SUBLANG_INDONESIAN_INDONESIA}, // Indonesia / East Timor
10085: {0x03F, LANG_ENGLISH, SUBLANG_ENGLISH_PHILIPPINES}, // Philippines
10086: {0x040, LANG_ENGLISH, SUBLANG_ENGLISH_NZ}, // New Zealand
10087: {0x041, LANG_CHINESE, SUBLANG_CHINESE_SINGAPORE}, // Singapore
10088: // {0x041, LANG_ENGLISH, SUBLANG_ENGLISH_SINGAPORE}, // Singapore
10089: {0x042, LANG_CHINESE_TRADITIONAL, SUBLANG_CHINESE_TRADITIONAL}, // Taiwan???
10090: {0x051, LANG_JAPANESE, SUBLANG_JAPANESE_JAPAN}, // Japan (DR DOS 5.0, MS-DOS 5.0+)
10091: {0x052, LANG_KOREAN, SUBLANG_KOREAN}, // South Korea (DR DOS 5.0)
10092: {0x054, LANG_VIETNAMESE, SUBLANG_VIETNAMESE_VIETNAM}, // Vietnam
10093: {0x056, LANG_CHINESE_SIMPLIFIED, SUBLANG_CHINESE_SIMPLIFIED}, // China (MS-DOS 5.0+)
10094: {0x058, LANG_CHINESE_TRADITIONAL, SUBLANG_CHINESE_TRADITIONAL}, // Taiwan (MS-DOS 5.0+)
10095: {0x05A, LANG_TURKISH, SUBLANG_TURKISH_TURKEY}, // Turkey (MS-DOS 5.0+)
10096: {0x05B, LANG_HINDI, SUBLANG_HINDI_INDIA}, // India
10097: {0x05C, LANG_URDU, SUBLANG_URDU_PAKISTAN}, // Pakistan
10098: {0x05D, LANG_PASHTO, SUBLANG_PASHTO_AFGHANISTAN}, // Afghanistan
10099: // {0x05D, LANG_DARI, SUBLANG_DARI_AFGHANISTAN}, // Afghanistan
10100: {0x05E, LANG_SINHALESE, SUBLANG_SINHALESE_SRI_LANKA}, // Sri Lanka
10101: // {0x05E, LANG_TAMIL, SUBLANG_TAMIL_SRI_LANKA}, // Sri Lanka
10102: {0x062, LANG_PERSIAN, SUBLANG_PERSIAN_IRAN}, // Iran
10103: {0x070, LANG_BELARUSIAN, SUBLANG_BELARUSIAN_BELARUS}, // Belarus
10104: {0x0C8, LANG_THAI, SUBLANG_THAI_THAILAND}, // Thailand
10105: {0x0D4, LANG_ARABIC, SUBLANG_ARABIC_MOROCCO}, // Morocco
10106: {0x0D5, LANG_ARABIC, SUBLANG_ARABIC_ALGERIA}, // Algeria
10107: {0x0D8, LANG_ARABIC, SUBLANG_ARABIC_TUNISIA}, // Tunisia
10108: {0x0DA, LANG_ARABIC, SUBLANG_ARABIC_LIBYA}, // Libya
10109: {0x0DD, LANG_WOLOF, SUBLANG_WOLOF_SENEGAL}, // Senegal
10110: // {0x0DD, LANG_PULAR, SUBLANG_PULAR_SENEGAL}, // Senegal
10111: {0x0EA, LANG_HAUSA, SUBLANG_HAUSA_NIGERIA_LATIN}, // Nigeria
10112: // {0x0EA, LANG_YORUBA, SUBLANG_YORUBA_NIGERIA}, // Nigeria
10113: // {0x0EA, LANG_IGBO, SUBLANG_IGBO_NIGERIA}, // Nigeria
10114: {0x0FB, LANG_AMHARIC, SUBLANG_AMHARIC_ETHIOPIA}, // Ethiopia
10115: // {0x0FB, LANG_TIGRINYA, SUBLANG_TIGRINYA_ETHIOPIA}, // Ethiopia
10116: {0x0FE, LANG_SWAHILI, SUBLANG_SWAHILI}, // Kenya
10117: {0x107, LANG_ENGLISH, SUBLANG_ENGLISH_ZIMBABWE}, // Zimbabwe
10118: {0x10B, LANG_TSWANA, SUBLANG_TSWANA_BOTSWANA}, // Botswana
10119: {0x12A, LANG_FAEROESE, SUBLANG_FAEROESE_FAROE_ISLANDS}, // Faroe Islands
10120: {0x12B, LANG_GREENLANDIC, SUBLANG_GREENLANDIC_GREENLAND}, // Greenland
10121: {0x15F, LANG_PORTUGUESE, SUBLANG_PORTUGUESE}, // Portugal
10122: {0x160, LANG_LUXEMBOURGISH, SUBLANG_LUXEMBOURGISH_LUXEMBOURG}, // Luxembourg
10123: // {0x160, LANG_GERMAN, SUBLANG_GERMAN_LUXEMBOURG}, // Luxembourg
10124: // {0x160, LANG_FRENCH, SUBLANG_FRENCH_LUXEMBOURG}, // Luxembourg
10125: {0x161, LANG_IRISH, SUBLANG_IRISH_IRELAND}, // Ireland
10126: // {0x161, LANG_ENGLISH, SUBLANG_ENGLISH_IRELAND}, // Ireland
10127: {0x162, LANG_ICELANDIC, SUBLANG_ICELANDIC_ICELAND}, // Iceland
10128: {0x163, LANG_ALBANIAN, SUBLANG_ALBANIAN_ALBANIA}, // Albania
10129: {0x164, LANG_MALTESE, SUBLANG_MALTESE_MALTA}, // Malta
10130: {0x166, LANG_FINNISH, SUBLANG_FINNISH_FINLAND}, // Finland
10131: // {0x166, LANG_SAMI, SUBLANG_SAMI_NORTHERN_FINLAND}, // Finland
10132: // {0x166, LANG_SAMI, SUBLANG_SAMI_SKOLT_FINLAND}, // Finland
10133: // {0x166, LANG_SAMI, SUBLANG_SAMI_INARI_FINLAND}, // Finland
10134: {0x167, LANG_BULGARIAN, SUBLANG_BULGARIAN_BULGARIA}, // Bulgaria
10135: {0x172, LANG_LITHUANIAN, SUBLANG_LITHUANIAN_LITHUANIA}, // Lithuania
10136: {0x173, LANG_LATVIAN, SUBLANG_LATVIAN_LATVIA}, // Latvia
10137: {0x174, LANG_ESTONIAN, SUBLANG_ESTONIAN_ESTONIA}, // Estonia
10138: {0x17D, LANG_SERBIAN, SUBLANG_SERBIAN_LATIN}, // Serbia / Montenegro
10139: {0x180, LANG_SERBIAN, SUBLANG_SERBIAN_CROATIA}, // Croatia???
10140: {0x181, LANG_SERBIAN, SUBLANG_SERBIAN_CROATIA}, // Croatia
10141: {0x182, LANG_SLOVENIAN, SUBLANG_SLOVENIAN_SLOVENIA}, // Slovenia
10142: {0x183, LANG_BOSNIAN, SUBLANG_BOSNIAN_BOSNIA_HERZEGOVINA_LATIN}, // Bosnia-Herzegovina (Latin)
10143: {0x184, LANG_BOSNIAN, SUBLANG_BOSNIAN_BOSNIA_HERZEGOVINA_CYRILLIC}, // Bosnia-Herzegovina (Cyrillic)
10144: {0x185, LANG_MACEDONIAN, SUBLANG_MACEDONIAN_MACEDONIA}, // FYR Macedonia
10145: {0x1A5, LANG_CZECH, SUBLANG_CZECH_CZECH_REPUBLIC}, // Czech Republic
10146: {0x1A6, LANG_SLOVAK, SUBLANG_SLOVAK_SLOVAKIA}, // Slovakia
10147: {0x1F5, LANG_ENGLISH, SUBLANG_ENGLISH_BELIZE}, // Belize
10148: {0x1F6, LANG_SPANISH, SUBLANG_SPANISH_GUATEMALA}, // Guatemala
10149: {0x1F7, LANG_SPANISH, SUBLANG_SPANISH_EL_SALVADOR}, // El Salvador
10150: {0x1F8, LANG_SPANISH, SUBLANG_SPANISH_HONDURAS}, // Honduras
10151: {0x1F9, LANG_SPANISH, SUBLANG_SPANISH_NICARAGUA}, // Nicraragua
10152: {0x1FA, LANG_SPANISH, SUBLANG_SPANISH_COSTA_RICA}, // Costa Rica
10153: {0x1FB, LANG_SPANISH, SUBLANG_SPANISH_PANAMA}, // Panama
10154: {0x24F, LANG_SPANISH, SUBLANG_SPANISH_BOLIVIA}, // Bolivia
1.1.1.43 root 10155: // {0x24F, LANG_QUECHUA, SUBLANG_QUECHUA_BOLIVIA}, // Bolivia
1.1.1.42 root 10156: {0x251, LANG_SPANISH, SUBLANG_SPANISH_ECUADOR}, // Ecuador
10157: // {0x251, LANG_QUECHUA, SUBLANG_QUECHUA_ECUADOR}, // Ecuador
10158: {0x253, LANG_SPANISH, SUBLANG_SPANISH_PARAGUAY}, // Paraguay
10159: {0x256, LANG_SPANISH, SUBLANG_SPANISH_URUGUAY}, // Uruguay
10160: {0x2A1, LANG_MALAY, SUBLANG_MALAY_BRUNEI_DARUSSALAM}, // Brunei Darussalam
10161: {0x311, LANG_ARABIC, SUBLANG_NEUTRAL}, // Arabic (Middle East/Saudi Arabia/etc.)
10162: {0x324, LANG_UKRAINIAN, SUBLANG_UKRAINIAN_UKRAINE}, // Ukraine
10163: {0x352, LANG_KOREAN, SUBLANG_KOREAN}, // North Korea
10164: {0x354, LANG_CHINESE, SUBLANG_CHINESE_HONGKONG}, // Hong Kong
10165: {0x355, LANG_CHINESE, SUBLANG_CHINESE_MACAU}, // Macao
10166: {0x357, LANG_KHMER, SUBLANG_KHMER_CAMBODIA}, // Cambodia
10167: {0x370, LANG_BANGLA, SUBLANG_BANGLA_BANGLADESH}, // Bangladesh
10168: {0x376, LANG_CHINESE_TRADITIONAL, SUBLANG_CHINESE_TRADITIONAL}, // Taiwan (DOS 6.22+)
10169: {0x3C0, LANG_DIVEHI, SUBLANG_DIVEHI_MALDIVES}, // Maldives
10170: {0x3C1, LANG_ARABIC, SUBLANG_ARABIC_LEBANON}, // Lebanon
10171: {0x3C2, LANG_ARABIC, SUBLANG_ARABIC_JORDAN}, // Jordan
10172: {0x3C3, LANG_ARABIC, SUBLANG_ARABIC_SYRIA}, // Syrian Arab Republic
10173: {0x3C4, LANG_ARABIC, SUBLANG_ARABIC_IRAQ}, // Ireq
10174: {0x3C5, LANG_ARABIC, SUBLANG_ARABIC_KUWAIT}, // Kuwait
10175: {0x3C6, LANG_ARABIC, SUBLANG_ARABIC_SAUDI_ARABIA}, // Saudi Arabia
10176: {0x3C7, LANG_ARABIC, SUBLANG_ARABIC_YEMEN}, // Yemen
10177: {0x3C8, LANG_ARABIC, SUBLANG_ARABIC_OMAN}, // Oman
10178: {0x3CB, LANG_ARABIC, SUBLANG_ARABIC_UAE}, // United Arab Emirates
10179: {0x3CC, LANG_HEBREW, SUBLANG_HEBREW_ISRAEL}, // Israel (Hebrew) (DR DOS 5.0,MS-DOS 5.0+)
10180: {0x3CD, LANG_ARABIC, SUBLANG_ARABIC_BAHRAIN}, // Bahrain
10181: {0x3CE, LANG_ARABIC, SUBLANG_ARABIC_QATAR}, // Qatar
10182: {0x3D0, LANG_MONGOLIAN, SUBLANG_MONGOLIAN_CYRILLIC_MONGOLIA}, // Mongolia
10183: // {0x3D0, LANG_MONGOLIAN, SUBLANG_MONGOLIAN_PRC}, // Mongolia
10184: {0x3D1, LANG_NEPALI, SUBLANG_NEPALI_NEPAL}, // Nepal
10185: {-1, 0, 0},
10186: };
10187:
1.1.1.14 root 10188: inline void msdos_int_21h_38h()
10189: {
10190: switch(REG8(AL)) {
10191: case 0x00:
1.1.1.19 root 10192: REG16(BX) = get_country_info((country_info_t *)(mem + SREG_BASE(DS) + REG16(DX)));
1.1.1.14 root 10193: break;
10194: default:
1.1.1.42 root 10195: for(int i = 0;; i++) {
10196: if(country_table[i].code == (REG8(AL) != 0xff ? REG8(AL) : REG16(BX))) {
10197: REG16(BX) = get_country_info((country_info_t *)(mem + SREG_BASE(DS) + REG16(DX)), country_table[i].usPrimaryLanguage, country_table[i].usSubLanguage);
10198: break;
10199: } else if(country_table[i].code == -1) {
10200: // 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));
10201: // REG16(AX) = 2;
10202: // m_CF = 1;
10203: REG16(BX) = get_country_info((country_info_t *)(mem + SREG_BASE(DS) + REG16(DX)));
10204: break;
10205: }
10206: }
1.1.1.14 root 10207: break;
10208: }
10209: }
10210:
1.1 root 10211: inline void msdos_int_21h_39h(int lfn)
10212: {
1.1.1.3 root 10213: if(_mkdir(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_3ah(int lfn)
10220: {
1.1.1.3 root 10221: if(_rmdir(msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn))) {
1.1 root 10222: REG16(AX) = errno;
1.1.1.3 root 10223: m_CF = 1;
1.1 root 10224: }
10225: }
10226:
10227: inline void msdos_int_21h_3bh(int lfn)
10228: {
1.1.1.45 root 10229: const char *path = msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn);
1.1.1.44 root 10230:
10231: if(_chdir(path)) {
1.1.1.17 root 10232: REG16(AX) = 3; // must be 3 (path not found)
1.1.1.3 root 10233: m_CF = 1;
1.1.1.44 root 10234: } else {
10235: int drv = _getdrive() - 1;
10236: if(path[1] == ':') {
10237: if(path[0] >= 'A' && path[0] <= 'Z') {
10238: drv = path[0] - 'A';
10239: } else if(path[0] >= 'a' && path[0] <= 'z') {
10240: drv = path[0] - 'a';
10241: }
10242: }
10243: msdos_cds_update(drv, path);
1.1 root 10244: }
10245: }
10246:
10247: inline void msdos_int_21h_3ch()
10248: {
1.1.1.45 root 10249: const char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 10250: int attr = GetFileAttributes(path);
1.1.1.37 root 10251: int fd = -1;
10252: int sio_port = 0;
10253: int lpt_port = 0;
1.1 root 10254:
1.1.1.45 root 10255: if(msdos_is_device_path(path)) {
10256: fd = msdos_open_device(path, _O_WRONLY | _O_BINARY, &sio_port, &lpt_port);
1.1 root 10257: } else {
10258: fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
10259: }
10260: if(fd != -1) {
10261: if(attr == -1) {
10262: attr = msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY;
10263: }
10264: SetFileAttributes(path, attr);
10265: REG16(AX) = fd;
1.1.1.45 root 10266: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_device_info(path), current_psp, sio_port, lpt_port);
1.1.1.20 root 10267: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 10268: } else {
10269: REG16(AX) = errno;
1.1.1.3 root 10270: m_CF = 1;
1.1 root 10271: }
10272: }
10273:
10274: inline void msdos_int_21h_3dh()
10275: {
1.1.1.45 root 10276: const char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 10277: int mode = REG8(AL) & 0x03;
1.1.1.37 root 10278: int fd = -1;
10279: int sio_port = 0;
10280: int lpt_port = 0;
1.1 root 10281:
10282: if(mode < 0x03) {
1.1.1.45 root 10283: if(msdos_is_device_path(path)) {
10284: fd = msdos_open_device(path, file_mode[mode].mode, &sio_port, &lpt_port);
1.1.1.11 root 10285: } else {
1.1.1.13 root 10286: fd = msdos_open(path, file_mode[mode].mode);
1.1.1.11 root 10287: }
1.1 root 10288: if(fd != -1) {
10289: REG16(AX) = fd;
1.1.1.45 root 10290: msdos_file_handler_open(fd, path, _isatty(fd), mode, msdos_device_info(path), current_psp, sio_port, lpt_port);
1.1.1.20 root 10291: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 10292: } else {
10293: REG16(AX) = errno;
1.1.1.3 root 10294: m_CF = 1;
1.1 root 10295: }
10296: } else {
10297: REG16(AX) = 0x0c;
1.1.1.3 root 10298: m_CF = 1;
1.1 root 10299: }
10300: }
10301:
10302: inline void msdos_int_21h_3eh()
10303: {
10304: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 10305: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 10306:
1.1.1.20 root 10307: if(fd < process->max_files && file_handler[fd].valid) {
10308: _close(fd);
10309: msdos_file_handler_close(fd);
10310: msdos_psp_set_file_table(REG16(BX), 0x0ff, current_psp);
1.1 root 10311: } else {
10312: REG16(AX) = 0x06;
1.1.1.3 root 10313: m_CF = 1;
1.1 root 10314: }
10315: }
10316:
1.1.1.35 root 10317: DWORD WINAPI msdos_int_21h_3fh_thread(LPVOID)
10318: {
10319: UINT8 *buf = mem + SREG_BASE(DS) + REG16(DX);
10320: int max = REG16(CX);
10321: int p = 0;
10322:
10323: while(max > p) {
10324: int chr = msdos_getch();
10325:
10326: if((ctrl_break_checking && ctrl_break_pressed) || ctrl_c_pressed) {
10327: p = 0;
10328: buf[p++] = 0x0d;
10329: if(max > p) {
10330: buf[p++] = 0x0a;
10331: }
10332: msdos_putch(0x03);
10333: msdos_putch(0x0d);
10334: msdos_putch(0x0a);
10335: break;
10336: } else if(ctrl_break_pressed) {
10337: // skip this byte
10338: } else if(chr == 0x00) {
10339: // skip 2nd byte
10340: msdos_getch();
10341: } else if(chr == 0x0d) {
10342: // carriage return
10343: buf[p++] = 0x0d;
10344: if(max > p) {
10345: buf[p++] = 0x0a;
10346: }
10347: msdos_putch('\n');
10348: break;
10349: } else if(chr == 0x08) {
10350: // back space
10351: if(p > 0) {
10352: p--;
10353: if(msdos_ctrl_code_check(buf[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);
1.1.1.36 root 10360: } else if(p > 0 && msdos_kanji_2nd_byte_check(buf, p)) {
10361: p--;
10362: msdos_putch(0x08);
10363: msdos_putch(0x08);
10364: msdos_putch(0x20);
10365: msdos_putch(0x20);
10366: msdos_putch(0x08);
10367: msdos_putch(0x08);
1.1.1.35 root 10368: } else {
10369: msdos_putch(0x08);
10370: msdos_putch(0x20);
10371: msdos_putch(0x08);
10372: }
10373: }
10374: } else if(chr == 0x1b) {
10375: // escape
10376: while(p > 0) {
10377: p--;
10378: if(msdos_ctrl_code_check(buf[p])) {
10379: msdos_putch(0x08);
10380: msdos_putch(0x08);
10381: msdos_putch(0x20);
10382: msdos_putch(0x20);
10383: msdos_putch(0x08);
10384: msdos_putch(0x08);
10385: } else {
10386: msdos_putch(0x08);
10387: msdos_putch(0x20);
10388: msdos_putch(0x08);
10389: }
10390: }
10391: } else {
10392: buf[p++] = chr;
10393: msdos_putch(chr);
10394: }
10395: }
10396: REG16(AX) = p;
10397:
10398: #ifdef USE_SERVICE_THREAD
10399: service_exit = true;
10400: #endif
10401: return(0);
10402: }
10403:
1.1 root 10404: inline void msdos_int_21h_3fh()
10405: {
10406: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 10407: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 10408:
1.1.1.20 root 10409: if(fd < process->max_files && file_handler[fd].valid) {
10410: if(file_mode[file_handler[fd].mode].in) {
10411: if(file_handler[fd].atty) {
1.1 root 10412: // BX is stdin or is redirected to stdin
1.1.1.35 root 10413: if(REG16(CX) != 0) {
10414: #ifdef USE_SERVICE_THREAD
10415: start_service_loop(msdos_int_21h_3fh_thread);
10416: #else
10417: msdos_int_21h_3fh_thread(NULL);
10418: REQUEST_HARDWRE_UPDATE();
10419: #endif
10420: } else {
10421: REG16(AX) = 0;
1.1 root 10422: }
10423: } else {
1.1.1.37 root 10424: REG16(AX) = msdos_read(fd, mem + SREG_BASE(DS) + REG16(DX), REG16(CX));
1.1 root 10425: }
10426: } else {
10427: REG16(AX) = 0x05;
1.1.1.3 root 10428: m_CF = 1;
1.1 root 10429: }
10430: } else {
10431: REG16(AX) = 0x06;
1.1.1.3 root 10432: m_CF = 1;
1.1 root 10433: }
10434: }
10435:
10436: inline void msdos_int_21h_40h()
10437: {
10438: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 10439: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 10440:
1.1.1.20 root 10441: if(fd < process->max_files && file_handler[fd].valid) {
10442: if(file_mode[file_handler[fd].mode].out) {
1.1 root 10443: if(REG16(CX)) {
1.1.1.20 root 10444: if(file_handler[fd].atty) {
1.1 root 10445: // BX is stdout/stderr or is redirected to stdout
10446: for(int i = 0; i < REG16(CX); i++) {
1.1.1.3 root 10447: msdos_putch(mem[SREG_BASE(DS) + REG16(DX) + i]);
1.1 root 10448: }
10449: REG16(AX) = REG16(CX);
10450: } else {
1.1.1.20 root 10451: REG16(AX) = msdos_write(fd, mem + SREG_BASE(DS) + REG16(DX), REG16(CX));
1.1 root 10452: }
10453: } else {
1.1.1.20 root 10454: UINT32 pos = _tell(fd);
10455: _lseek(fd, 0, SEEK_END);
10456: UINT32 size = _tell(fd);
1.1.1.12 root 10457: if(pos < size) {
1.1.1.20 root 10458: _lseek(fd, pos, SEEK_SET);
10459: SetEndOfFile((HANDLE)_get_osfhandle(fd));
1.1.1.12 root 10460: } else {
10461: for(UINT32 i = size; i < pos; i++) {
10462: UINT8 tmp = 0;
1.1.1.23 root 10463: msdos_write(fd, &tmp, 1);
1.1.1.12 root 10464: }
1.1.1.20 root 10465: _lseek(fd, pos, SEEK_SET);
1.1 root 10466: }
1.1.1.23 root 10467: REG16(AX) = 0;
1.1 root 10468: }
10469: } else {
10470: REG16(AX) = 0x05;
1.1.1.3 root 10471: m_CF = 1;
1.1 root 10472: }
10473: } else {
10474: REG16(AX) = 0x06;
1.1.1.3 root 10475: m_CF = 1;
1.1 root 10476: }
10477: }
10478:
10479: inline void msdos_int_21h_41h(int lfn)
10480: {
1.1.1.3 root 10481: if(remove(msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn))) {
1.1 root 10482: REG16(AX) = errno;
1.1.1.3 root 10483: m_CF = 1;
1.1 root 10484: }
10485: }
10486:
10487: inline void msdos_int_21h_42h()
10488: {
10489: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 10490: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 10491:
1.1.1.20 root 10492: if(fd < process->max_files && file_handler[fd].valid) {
1.1 root 10493: if(REG8(AL) < 0x03) {
1.1.1.35 root 10494: static const int ptrname[] = { SEEK_SET, SEEK_CUR, SEEK_END };
1.1.1.20 root 10495: _lseek(fd, (REG16(CX) << 16) | REG16(DX), ptrname[REG8(AL)]);
10496: UINT32 pos = _tell(fd);
1.1 root 10497: REG16(AX) = pos & 0xffff;
10498: REG16(DX) = (pos >> 16);
10499: } else {
10500: REG16(AX) = 0x01;
1.1.1.3 root 10501: m_CF = 1;
1.1 root 10502: }
10503: } else {
10504: REG16(AX) = 0x06;
1.1.1.3 root 10505: m_CF = 1;
1.1 root 10506: }
10507: }
10508:
10509: inline void msdos_int_21h_43h(int lfn)
10510: {
1.1.1.45 root 10511: const char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn);
1.1 root 10512: int attr;
10513:
1.1.1.14 root 10514: if(!lfn && REG8(AL) > 2) {
10515: REG16(AX) = 0x01;
10516: m_CF = 1;
10517: return;
10518: }
10519: switch(REG8(lfn ? BL : AL)) {
1.1 root 10520: case 0x00:
10521: if((attr = GetFileAttributes(path)) != -1) {
1.1.1.14 root 10522: REG16(CX) = (UINT16)msdos_file_attribute_create((UINT16)attr);
10523: } else {
10524: REG16(AX) = (UINT16)GetLastError();
10525: m_CF = 1;
10526: }
10527: break;
10528: case 0x01:
10529: if(!SetFileAttributes(path, msdos_file_attribute_create(REG16(CX)))) {
10530: REG16(AX) = (UINT16)GetLastError();
10531: m_CF = 1;
10532: }
10533: break;
10534: case 0x02:
10535: {
1.1.1.45 root 10536: DWORD compressed_size = GetCompressedFileSize(path, NULL), file_size = 0;
10537: if(compressed_size != INVALID_FILE_SIZE) {
10538: if(compressed_size != 0) {
10539: HANDLE hFile = CreateFile(path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
10540: if(hFile != INVALID_HANDLE_VALUE) {
10541: file_size = GetFileSize(hFile, NULL);
10542: CloseHandle(hFile);
10543: }
10544: if(compressed_size == file_size) {
10545: DWORD sectors_per_cluster, bytes_per_sector, free_clusters, total_clusters;
10546: // this isn't correct if the file is in the NTFS MFT
10547: if(GetDiskFreeSpace(path, §ors_per_cluster, &bytes_per_sector, &free_clusters, &total_clusters)) {
10548: compressed_size = ((compressed_size - 1) | (sectors_per_cluster * bytes_per_sector - 1)) + 1;
10549: }
1.1.1.14 root 10550: }
10551: }
1.1.1.45 root 10552: REG16(AX) = LOWORD(compressed_size);
10553: REG16(DX) = HIWORD(compressed_size);
1.1.1.14 root 10554: } else {
10555: REG16(AX) = (UINT16)GetLastError();
10556: m_CF = 1;
1.1 root 10557: }
1.1.1.14 root 10558: }
10559: break;
10560: case 0x03:
10561: case 0x05:
10562: case 0x07:
10563: {
10564: HANDLE hFile = CreateFile(path, FILE_WRITE_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
10565: if(hFile != INVALID_HANDLE_VALUE) {
10566: FILETIME local, time;
10567: DosDateTimeToFileTime(REG16(DI), /*REG8(BL) == 5 ? 0 : */REG16(CX), &local);
10568: if(REG8(BL) == 7) {
10569: ULARGE_INTEGER hund;
10570: hund.LowPart = local.dwLowDateTime;
10571: hund.HighPart = local.dwHighDateTime;
10572: hund.QuadPart += REG16(SI) * 100000;
10573: local.dwLowDateTime = hund.LowPart;
10574: local.dwHighDateTime = hund.HighPart;
10575: }
10576: LocalFileTimeToFileTime(&local, &time);
10577: if(!SetFileTime(hFile, REG8(BL) == 0x07 ? &time : NULL,
10578: REG8(BL) == 0x05 ? &time : NULL,
10579: REG8(BL) == 0x03 ? &time : NULL)) {
10580: REG16(AX) = (UINT16)GetLastError();
10581: m_CF = 1;
10582: }
10583: CloseHandle(hFile);
10584: } else {
10585: REG16(AX) = (UINT16)GetLastError();
10586: m_CF = 1;
1.1 root 10587: }
1.1.1.14 root 10588: }
10589: break;
10590: case 0x04:
10591: case 0x06:
10592: case 0x08:
10593: {
10594: WIN32_FILE_ATTRIBUTE_DATA fad;
10595: if(GetFileAttributesEx(path, GetFileExInfoStandard, (LPVOID)&fad)) {
10596: FILETIME *time, local;
10597: time = REG8(BL) == 0x04 ? &fad.ftLastWriteTime :
10598: 0x06 ? &fad.ftLastAccessTime :
10599: &fad.ftCreationTime;
10600: FileTimeToLocalFileTime(time, &local);
10601: FileTimeToDosDateTime(&local, ®16(DI), ®16(CX));
10602: if(REG8(BL) == 0x08) {
10603: ULARGE_INTEGER hund;
10604: hund.LowPart = local.dwLowDateTime;
10605: hund.HighPart = local.dwHighDateTime;
10606: hund.QuadPart /= 100000;
10607: REG16(SI) = (UINT16)(hund.QuadPart % 200);
10608: }
10609: } else {
10610: REG16(AX) = (UINT16)GetLastError();
10611: m_CF = 1;
1.1 root 10612: }
1.1.1.14 root 10613: }
10614: break;
1.1.1.43 root 10615: case 0xff:
10616: if(REG16(BP) == 0x5053) {
10617: if(REG8(CL) == 0x39) {
10618: msdos_int_21h_39h(1);
10619: break;
10620: } else if(REG8(CL) == 0x56) {
10621: msdos_int_21h_56h(1);
10622: break;
10623: }
10624: }
1.1.1.14 root 10625: default:
1.1.1.22 root 10626: 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 10627: REG16(AX) = 0x01;
10628: m_CF = 1;
10629: break;
10630: }
10631: }
10632:
10633: inline void msdos_int_21h_44h()
10634: {
1.1.1.22 root 10635: static UINT16 iteration_count = 0;
10636:
1.1.1.44 root 10637: process_t *process;
10638: int fd, drv;
1.1.1.14 root 10639:
10640: switch(REG8(AL)) {
10641: case 0x00:
10642: case 0x01:
10643: case 0x02:
10644: case 0x03:
10645: case 0x04:
10646: case 0x05:
10647: case 0x06:
10648: case 0x07:
1.1.1.44 root 10649: process = msdos_process_info_get(current_psp);
10650: fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1.1.20 root 10651: if(fd >= process->max_files || !file_handler[fd].valid) {
10652: REG16(AX) = 0x06;
10653: m_CF = 1;
10654: return;
1.1.1.14 root 10655: }
10656: break;
10657: case 0x08:
10658: case 0x09:
1.1.1.44 root 10659: drv = (REG8(BL) ? REG8(BL) : _getdrive()) - 1;
10660: if(!msdos_is_valid_drive(drv)) {
10661: // invalid drive
1.1.1.14 root 10662: REG16(AX) = 0x0f;
10663: m_CF = 1;
10664: return;
1.1 root 10665: }
10666: break;
10667: }
10668: switch(REG8(AL)) {
10669: case 0x00: // get ioctrl data
1.1.1.20 root 10670: REG16(DX) = file_handler[fd].info;
1.1 root 10671: break;
10672: case 0x01: // set ioctrl data
1.1.1.45 root 10673: if(REG8(DH) != 0) {
10674: // REG16(AX) = 0x0d; // data invalid
10675: // m_CF = 1;
10676: file_handler[fd].info = REG16(DX);
10677: } else {
10678: file_handler[fd].info &= 0xff00;
10679: file_handler[fd].info |= REG8(DL);
10680: }
1.1 root 10681: break;
10682: case 0x02: // recv from character device
1.1.1.45 root 10683: if(strstr(file_handler[fd].path, "EMMXXXX0") != NULL && support_ems) {
10684: // from DOSBox
10685: switch(*(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX))) {
10686: case 0x00:
10687: if(REG16(CX) >= 6) {
10688: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = 0x0023;
10689: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(DX) + 2) = 0x0000;
10690: REG16(AX) = 6; // number of bytes actually read
10691: } else {
10692: REG16(AX) = 0x0d; // data invalid
10693: m_CF = 1;
10694: }
10695: break;
10696: case 0x01:
10697: if(REG16(CX) >= 6) {
10698: *(UINT16 *)(mem + XMS_TOP + 0x18 + 0x000) = 0x0004; // flags
10699: *(UINT16 *)(mem + XMS_TOP + 0x18 + 0x002) = 0x019d; // size of this structure
10700: *(UINT16 *)(mem + XMS_TOP + 0x18 + 0x004) = 0x0001; // version 1.0
10701: *(UINT32 *)(mem + XMS_TOP + 0x18 + 0x006) = 0x00000000; // reserved
10702: for(int addr = 0, ofs = 0x00a; addr < 0x100000; addr += 0x4000, ofs += 6) {
10703: if(addr >= EMS_TOP && addr < EMS_TOP + EMS_SIZE) {
10704: int page = (addr - EMS_TOP) / 0x4000;
10705: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 0) = 0x03; // frame type: EMS frame in 64k page
10706: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 1) = 0xff; // owner: NONE
10707: *(UINT16 *)(mem + XMS_TOP + 0x18 + ofs + 2) = 0x7fff; // no logical page number
10708: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 4) = page; // physical EMS page number
10709: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 5) = 0x00; // flags: EMS frame
10710: } else {
10711: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 0) = 0x00; // frame type: NONE
10712: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 1) = 0xff; // owner: NONE
10713: *(UINT16 *)(mem + XMS_TOP + 0x18 + ofs + 2) = 0xffff; // non-EMS frame
10714: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 4) = 0xff; // EMS page number (NONE)
10715: *(UINT8 *)(mem + XMS_TOP + 0x18 + ofs + 5) = 0xaa; // flags: direct mapping
10716: }
10717: }
10718: *(UINT8 *)(mem + XMS_TOP + 0x18 + 0x18a) = 0x74; // ??
10719: *(UINT8 *)(mem + XMS_TOP + 0x18 + 0x18b) = 0x00; // no UMB descriptors following
10720: *(UINT8 *)(mem + XMS_TOP + 0x18 + 0x18c) = 0x01; // 1 EMS handle info record
10721: *(UINT16 *)(mem + XMS_TOP + 0x18 + 0x17d) = 0x0000; // system handle
10722: *(UINT32 *)(mem + XMS_TOP + 0x18 + 0x18f) = 0x00000000; // handle name
10723: *(UINT32 *)(mem + XMS_TOP + 0x18 + 0x193) = 0x00000000; // handle name
10724: *(UINT16 *)(mem + XMS_TOP + 0x18 + 0x197) = 0x0001; // system handle
10725: *(UINT32 *)(mem + XMS_TOP + 0x18 + 0x199) = 0x00110000; // physical address
10726:
10727: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = 0x0018;
10728: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2) = XMS_TOP >> 4;;
10729: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 4) = 0x0001; // version 1.0
10730: REG16(AX) = 6; // number of bytes actually read
10731: } else {
10732: REG16(AX) = 0x0d; // data invalid
10733: m_CF = 1;
10734: }
10735: break;
10736: case 0x02:
10737: if(REG16(CX) >= 2) {
10738: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = 0x40; // EMS 4.0
10739: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 1) = 0x00;
10740: REG16(AX) = 2; // number of bytes actually read
10741: } else {
10742: REG16(AX) = 0x0d; // data invalid
10743: m_CF = 1;
10744: }
10745: break;
10746: case 0x03:
10747: if(REG16(CX) >= 4) {
10748: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = MAX_EMS_PAGES * 16; // max size (kb)
10749: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2) = 0x0080; // min size (kb)
10750: REG16(AX) = 4; // number of bytes actually read
10751: } else {
10752: REG16(AX) = 0x0d; // data invalid
10753: m_CF = 1;
10754: }
10755: break;
10756: default:
10757: REG16(AX) = 0x01; // function number invalid
10758: m_CF = 1;
10759: }
10760: } else if(strstr(file_handler[fd].path, "CONFIG$") != NULL) {
10761: if(REG16(CX) >= 5) {
10762: memset(mem + SREG_BASE(DS) + REG16(DX), 0, 5);
10763: REG16(AX) = 5; // number of bytes actually read
10764: } else {
10765: REG16(AX) = 0x0d; // data invalid
10766: m_CF = 1;
10767: }
10768: } else {
10769: // memset(mem + SREG_BASE(DS) + REG16(DX), 0, REG16(CX));
10770: // REG16(AX) = REG16(CX);
10771: REG16(AX) = 0x05; // access denied
10772: m_CF = 1;
10773: }
10774: break;
1.1 root 10775: case 0x03: // send to character device
1.1.1.45 root 10776: // REG16(AX) = 0x05;
10777: // m_CF = 1;
10778: REG16(AX) = 0x00; // success
10779: break;
1.1 root 10780: case 0x04: // recv from block device
10781: case 0x05: // send to block device
10782: REG16(AX) = 0x05;
1.1.1.3 root 10783: m_CF = 1;
1.1 root 10784: break;
10785: case 0x06: // get read status
1.1.1.20 root 10786: if(file_mode[file_handler[fd].mode].in) {
10787: if(file_handler[fd].atty) {
1.1.1.14 root 10788: REG8(AL) = msdos_kbhit() ? 0xff : 0x00;
1.1 root 10789: } else {
1.1.1.20 root 10790: REG8(AL) = eof(fd) ? 0x00 : 0xff;
1.1 root 10791: }
1.1.1.14 root 10792: } else {
10793: REG8(AL) = 0x00;
1.1 root 10794: }
10795: break;
10796: case 0x07: // get write status
1.1.1.20 root 10797: if(file_mode[file_handler[fd].mode].out) {
1.1.1.14 root 10798: REG8(AL) = 0xff;
10799: } else {
10800: REG8(AL) = 0x00;
1.1 root 10801: }
10802: break;
10803: case 0x08: // check removable drive
1.1.1.44 root 10804: if(msdos_is_removable_drive(drv) || msdos_is_cdrom_drive(drv)) {
1.1.1.14 root 10805: // removable drive
10806: REG16(AX) = 0x00;
1.1 root 10807: } else {
1.1.1.14 root 10808: // fixed drive
10809: REG16(AX) = 0x01;
1.1 root 10810: }
10811: break;
10812: case 0x09: // check remote drive
1.1.1.44 root 10813: if(msdos_is_remote_drive(drv)) {
1.1.1.14 root 10814: // remote drive
10815: REG16(DX) = 0x1000;
1.1.1.44 root 10816: } else if(msdos_is_subst_drive(drv)) {
10817: // subst drive
10818: REG16(DX) = 0x8000;
1.1 root 10819: } else {
1.1.1.14 root 10820: // local drive
1.1.1.44 root 10821: REG16(DX) = 0x0000;
1.1 root 10822: }
10823: break;
1.1.1.21 root 10824: case 0x0a: // check remote handle
1.1.1.45 root 10825: if(!(file_handler[fd].info & 0x8000) && msdos_is_remote_drive(msdos_drive_number(file_handler[fd].path))) {
10826: REG16(DX) = 0x8000;
10827: } else {
10828: REG16(DX) = 0x0000;
10829: }
1.1.1.21 root 10830: break;
1.1 root 10831: case 0x0b: // set retry count
10832: break;
1.1.1.22 root 10833: case 0x0c: // generic character device request
10834: if(REG8(CL) == 0x45) {
10835: // set iteration (retry) count
10836: iteration_count = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX));
10837: } else if(REG8(CL) == 0x4a) {
10838: // select code page
10839: active_code_page = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2);
10840: msdos_nls_tables_update();
1.1.1.44 root 10841: } else if(REG8(CL) == 0x4c) {
10842: // start code-page preparation
10843: int ids[3] = {437, 0, 0}; // 437: US English
10844: int count = 1, offset = 0;
10845: if(active_code_page != 437) {
10846: ids[count++] = active_code_page;
10847: }
10848: if(system_code_page != 437 && system_code_page != active_code_page) {
10849: ids[count++] = system_code_page;
10850: }
10851: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = 0;
10852: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = 2 + 2 * count;
10853: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = count;
10854: for(int i = 0; i < count; i++) {
10855: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = ids[i];
10856: }
10857: } else if(REG8(CL) == 0x4d) {
10858: // end code-page preparation
10859: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = 2;
10860: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2) = active_code_page;
1.1.1.22 root 10861: } else if(REG8(CL) == 0x65) {
10862: // get iteration (retry) count
10863: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX)) = iteration_count;
10864: } else if(REG8(CL) == 0x6a) {
10865: // query selected code page
10866: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = 2; // FIXME
10867: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2) = active_code_page;
10868:
10869: CPINFO info;
10870: GetCPInfo(active_code_page, &info);
10871:
10872: if(info.MaxCharSize != 1) {
10873: for(int i = 0;; i++) {
10874: UINT8 lo = info.LeadByte[2 * i + 0];
10875: UINT8 hi = info.LeadByte[2 * i + 1];
10876:
10877: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 4 + 4 * i + 0) = lo;
10878: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 4 + 4 * i + 2) = hi;
10879: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) + 4;
10880:
10881: if(lo == 0 && hi == 0) {
10882: break;
10883: }
10884: }
10885: }
1.1.1.44 root 10886: } else if(REG8(CL) == 0x6b) {
10887: // query prepare list
10888: int ids[3] = {437, 0, 0}; // 437: US English
10889: int count = 1, offset = 0;
10890: if(active_code_page != 437) {
10891: ids[count++] = active_code_page;
10892: }
10893: if(system_code_page != 437 && system_code_page != active_code_page) {
10894: ids[count++] = system_code_page;
10895: }
10896: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = 2 * (2 + 2 * count);
10897: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = count;
10898: for(int i = 0; i < count; i++) {
10899: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = ids[i];
10900: }
10901: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = count;
10902: for(int i = 0; i < count; i++) {
10903: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2 * (offset++)) = ids[i];
10904: }
1.1.1.22 root 10905: } else if(REG8(CL) == 0x7f) {
1.1.1.44 root 10906: // get display information
1.1.1.22 root 10907: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x00) = 0;
10908: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x01) = 0;
10909: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x02) = 14;
10910: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x04) = 1;
10911: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x06) = 1;
10912: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x07) = 0;
10913: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x08) = 4;
10914: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0a) = 8 * (*(UINT16 *)(mem + 0x44a));
10915: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0c) = 16 * (*(UINT8 *)(mem + 0x484) + 1);
10916: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0e) = *(UINT16 *)(mem + 0x44a);
10917: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x10) = *(UINT8 *)(mem + 0x484) + 1;
10918: } else {
10919: 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));
10920: REG16(AX) = 0x01; // invalid function
10921: m_CF = 1;
10922: }
10923: break;
10924: case 0x0d: // generic block device request
10925: if(REG8(CL) == 0x40) {
10926: // set device parameters
10927: } else if(REG8(CL) == 0x46) {
10928: // set volume serial number
10929: } else if(REG8(CL) == 0x4a) {
10930: // lock logical volume
10931: } else if(REG8(CL) == 0x4b) {
10932: // lock physical volume
10933: } else if(REG8(CL) == 0x60) {
10934: // get device parameters
1.1.1.42 root 10935: int drive_num = (REG8(BL) ? REG8(BL) : _getdrive()) - 1;
1.1.1.22 root 10936:
1.1.1.42 root 10937: if(pcbios_update_drive_param(drive_num, 1)) {
10938: drive_param_t *drive_param = &drive_params[drive_num];
10939: DISK_GEOMETRY *geo = &drive_param->geometry;
10940:
10941: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x07; // ???
10942: switch(geo->MediaType) {
10943: case F5_360_512:
10944: case F5_320_512:
10945: case F5_320_1024:
10946: case F5_180_512:
10947: case F5_160_512:
10948: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x00; // 320K/360K disk
10949: break;
10950: case F5_1Pt2_512:
10951: case F3_1Pt2_512:
10952: case F3_1Pt23_1024:
10953: case F5_1Pt23_1024:
10954: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x01; // 1.2M disk
10955: break;
10956: case F3_720_512:
10957: case F3_640_512:
10958: case F5_640_512:
10959: case F5_720_512:
10960: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x02; // 720K disk
10961: break;
10962: case F8_256_128:
10963: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x03; // single-density 8-inch disk
10964: break;
10965: case FixedMedia:
10966: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x05; // fixed disk
10967: break;
10968: case F3_1Pt44_512:
10969: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x07; // (DOS 3.3+) other type of block device, normally 1.44M floppy
10970: break;
10971: case F3_2Pt88_512:
10972: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x09; // (DOS 5+) 2.88M floppy
10973: break;
10974: default:
10975: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x05; // fixed disk
10976: // *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x05; // (DOS 3.3+) other type of block device, normally 1.44M floppy
10977: break;
1.1.1.22 root 10978: }
1.1.1.42 root 10979: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x02) = (geo->MediaType == FixedMedia) ? 0x01 : 0x00;
10980: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x04) = (geo->Cylinders.QuadPart > 0xffff) ? 0xffff : geo->Cylinders.QuadPart;
10981: switch(geo->MediaType) {
10982: case F5_360_512:
10983: case F5_320_512:
10984: case F5_320_1024:
10985: case F5_180_512:
10986: case F5_160_512:
10987: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x06) = 0x01; // 320K/360K disk
10988: break;
10989: default:
10990: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x06) = 0x00; // other drive types
10991: break;
10992: }
10993: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x00) = geo->BytesPerSector;
10994: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x02) = geo->SectorsPerTrack * geo->TracksPerCylinder;
10995: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x03) = 0;
10996: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x05) = 0;
10997: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x06) = 0;
10998: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x08) = 0;
10999: switch(geo->MediaType) {
11000: case F5_320_512: // floppy, double-sided, 8 sectors per track (320K)
11001: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xff;
11002: break;
11003: case F5_160_512: // floppy, single-sided, 8 sectors per track (160K)
11004: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xfe;
11005: break;
11006: case F5_360_512: // floppy, double-sided, 9 sectors per track (360K)
11007: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xfd;
11008: break;
11009: case F5_180_512: // floppy, single-sided, 9 sectors per track (180K)
11010: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xfc;
11011: break;
11012: case F5_1Pt2_512: // floppy, double-sided, 15 sectors per track (1.2M)
11013: case F3_1Pt2_512:
11014: case F3_720_512: // floppy, double-sided, 9 sectors per track (720K,3.5")
11015: case F5_720_512:
11016: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xf9;
11017: break;
11018: case FixedMedia: // hard disk
11019: case RemovableMedia:
11020: case Unknown:
11021: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xf8;
11022: break;
11023: default:
11024: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xf0;
11025: break;
11026: }
11027: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0d) = geo->SectorsPerTrack;
11028: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0f) = 1;
11029: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x11) = 0;
11030: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x15) = geo->TracksPerCylinder * geo->Cylinders.QuadPart;
11031: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x1f) = geo->Cylinders.QuadPart;
11032: // 21h BYTE device type
11033: // 22h WORD device attributes (removable or not, etc)
1.1.1.22 root 11034: } else {
11035: REG16(AX) = 0x0f; // invalid drive
11036: m_CF = 1;
11037: }
11038: } else if(REG8(CL) == 0x66) {
11039: // get volume serial number
11040: char path[] = "A:\\";
11041: char volume_label[MAX_PATH];
11042: DWORD serial_number = 0;
11043: char file_system[MAX_PATH];
11044:
11045: path[0] = 'A' + (REG8(BL) ? REG8(BL) : _getdrive()) - 1;
11046:
11047: if(GetVolumeInformation(path, volume_label, MAX_PATH, &serial_number, NULL, NULL, file_system, MAX_PATH)) {
11048: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0;
11049: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x02) = serial_number;
11050: memset(mem + SREG_BASE(DS) + REG16(SI) + 0x06, 0x20, 11);
11051: memcpy(mem + SREG_BASE(DS) + REG16(SI) + 0x06, volume_label, min(strlen(volume_label), 11));
11052: memset(mem + SREG_BASE(DS) + REG16(SI) + 0x11, 0x20, 8);
11053: memcpy(mem + SREG_BASE(DS) + REG16(SI) + 0x11, file_system, min(strlen(file_system), 8));
11054: } else {
11055: REG16(AX) = 0x0f; // invalid drive
11056: m_CF = 1;
11057: }
11058: } else if(REG8(CL) == 0x67) {
11059: // get access flag
11060: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0;
11061: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 1;
11062: } else if(REG8(CL) == 0x68) {
11063: // sense media type
1.1.1.42 root 11064: int drive_num = (REG8(BL) ? REG8(BL) : _getdrive()) - 1;
1.1.1.22 root 11065:
1.1.1.42 root 11066: if(pcbios_update_drive_param(drive_num, 1)) {
11067: drive_param_t *drive_param = &drive_params[drive_num];
11068: DISK_GEOMETRY *geo = &drive_param->geometry;
11069:
11070: switch(geo->MediaType) {
11071: case F3_720_512:
11072: case F5_720_512:
11073: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x01;
11074: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x02;
11075: break;
11076: case F3_1Pt44_512:
11077: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x01;
11078: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x07;
11079: break;
11080: case F3_2Pt88_512:
11081: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x01;
11082: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x09;
11083: break;
11084: default:
11085: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x00;
11086: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x00; // ???
11087: break;
1.1.1.22 root 11088: }
11089: } else {
11090: REG16(AX) = 0x0f; // invalid drive
11091: m_CF = 1;
11092: }
11093: } else if(REG8(CL) == 0x6a) {
11094: // unlock logical volume
11095: } else if(REG8(CL) == 0x6b) {
11096: // unlock physical volume
11097: } else {
11098: 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));
11099: REG16(AX) = 0x01; // invalid function
11100: m_CF = 1;
11101: }
11102: break;
11103: case 0x0e: // get 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;
11107: } else {
11108: REG8(AL) = 0;
1.1.1.22 root 11109: }
11110: break;
11111: case 0x0f: // set logical drive map
1.1.1.44 root 11112: if(!msdos_is_valid_drive((REG8(BL) ? REG8(BL) : _getdrive()) - 1)) {
11113: REG16(AX) = 0x0f; // invalid drive
11114: m_CF = 1;
1.1.1.22 root 11115: }
11116: break;
11117: case 0x10: // query generic ioctrl capability (handle)
11118: switch(REG8(CL)) {
11119: case 0x45:
11120: case 0x4a:
11121: case 0x65:
11122: case 0x6a:
11123: case 0x7f:
11124: REG16(AX) = 0x0000; // supported
11125: break;
11126: default:
11127: REG8(AL) = 0x01; // ioctl capability not available
11128: m_CF = 1;
11129: break;
11130: }
11131: break;
11132: case 0x11: // query generic ioctrl capability (drive)
11133: switch(REG8(CL)) {
11134: case 0x40:
11135: case 0x46:
11136: case 0x4a:
11137: case 0x4b:
11138: case 0x60:
11139: case 0x66:
11140: case 0x67:
11141: case 0x68:
11142: case 0x6a:
11143: case 0x6b:
11144: REG16(AX) = 0x0000; // supported
11145: break;
11146: default:
11147: REG8(AL) = 0x01; // ioctl capability not available
11148: m_CF = 1;
11149: break;
11150: }
11151: break;
11152: case 0x12: // determine dos type
11153: case 0x51: // concurrent dos v3.2+ - installation check
11154: case 0x52: // determine dos type/get dr dos versuin
11155: REG16(AX) = 0x01; // this is not DR-DOS
11156: m_CF = 1;
11157: break;
1.1 root 11158: default:
1.1.1.22 root 11159: 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 11160: REG16(AX) = 0x01;
1.1.1.3 root 11161: m_CF = 1;
1.1 root 11162: break;
11163: }
11164: }
11165:
11166: inline void msdos_int_21h_45h()
11167: {
11168: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 11169: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 11170:
1.1.1.20 root 11171: if(fd < process->max_files && file_handler[fd].valid) {
11172: int dup_fd = _dup(fd);
11173: if(dup_fd != -1) {
11174: REG16(AX) = dup_fd;
11175: msdos_file_handler_dup(dup_fd, fd, current_psp);
11176: // msdos_psp_set_file_table(dup_fd, fd, current_psp);
11177: msdos_psp_set_file_table(dup_fd, dup_fd, current_psp);
1.1 root 11178: } else {
11179: REG16(AX) = errno;
1.1.1.3 root 11180: m_CF = 1;
1.1 root 11181: }
11182: } else {
11183: REG16(AX) = 0x06;
1.1.1.3 root 11184: m_CF = 1;
1.1 root 11185: }
11186: }
11187:
11188: inline void msdos_int_21h_46h()
11189: {
11190: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 11191: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
11192: int dup_fd = REG16(CX);
11193: int tmp_fd = msdos_psp_get_file_table(REG16(CX), current_psp);
1.1 root 11194:
1.1.1.20 root 11195: if(REG16(BX) == REG16(CX)) {
11196: REG16(AX) = 0x06;
11197: m_CF = 1;
11198: } else if(fd < process->max_files && file_handler[fd].valid && dup_fd < process->max_files) {
11199: if(tmp_fd < process->max_files && file_handler[tmp_fd].valid) {
11200: _close(tmp_fd);
11201: msdos_file_handler_close(tmp_fd);
11202: msdos_psp_set_file_table(dup_fd, 0x0ff, current_psp);
11203: }
11204: if(_dup2(fd, dup_fd) != -1) {
11205: msdos_file_handler_dup(dup_fd, fd, current_psp);
11206: // msdos_psp_set_file_table(dup_fd, fd, current_psp);
11207: msdos_psp_set_file_table(dup_fd, dup_fd, current_psp);
1.1 root 11208: } else {
11209: REG16(AX) = errno;
1.1.1.3 root 11210: m_CF = 1;
1.1 root 11211: }
11212: } else {
11213: REG16(AX) = 0x06;
1.1.1.3 root 11214: m_CF = 1;
1.1 root 11215: }
11216: }
11217:
11218: inline void msdos_int_21h_47h(int lfn)
11219: {
11220: char path[MAX_PATH];
11221:
11222: if(_getdcwd(REG8(DL), path, MAX_PATH) != NULL) {
1.1.1.45 root 11223: if(!lfn) {
11224: strcpy(path, msdos_short_path(path));
11225: }
1.1 root 11226: if(path[1] == ':') {
11227: // the returned path does not include a drive or the initial backslash
1.1.1.45 root 11228: strcpy((char *)(mem + SREG_BASE(DS) + REG16(SI)), path + 3);
1.1 root 11229: } else {
1.1.1.45 root 11230: strcpy((char *)(mem + SREG_BASE(DS) + REG16(SI)), path);
1.1 root 11231: }
11232: } else {
11233: REG16(AX) = errno;
1.1.1.3 root 11234: m_CF = 1;
1.1 root 11235: }
11236: }
11237:
11238: inline void msdos_int_21h_48h()
11239: {
1.1.1.19 root 11240: int seg, umb_linked;
1.1 root 11241:
1.1.1.8 root 11242: if((malloc_strategy & 0xf0) == 0x00) {
1.1.1.19 root 11243: // unlink umb not to allocate memory in umb
11244: if((umb_linked = msdos_mem_get_umb_linked()) != 0) {
11245: msdos_mem_unlink_umb();
11246: }
1.1.1.8 root 11247: if((seg = msdos_mem_alloc(first_mcb, REG16(BX), 0)) != -1) {
11248: REG16(AX) = seg;
11249: } else {
11250: REG16(AX) = 0x08;
11251: REG16(BX) = msdos_mem_get_free(first_mcb, 0);
11252: m_CF = 1;
11253: }
1.1.1.19 root 11254: if(umb_linked != 0) {
11255: msdos_mem_link_umb();
11256: }
1.1.1.8 root 11257: } else if((malloc_strategy & 0xf0) == 0x40) {
11258: if((seg = msdos_mem_alloc(UMB_TOP >> 4, REG16(BX), 0)) != -1) {
11259: REG16(AX) = seg;
11260: } else {
11261: REG16(AX) = 0x08;
11262: REG16(BX) = msdos_mem_get_free(UMB_TOP >> 4, 0);
11263: m_CF = 1;
11264: }
11265: } else if((malloc_strategy & 0xf0) == 0x80) {
11266: if((seg = msdos_mem_alloc(UMB_TOP >> 4, REG16(BX), 0)) != -1) {
11267: REG16(AX) = seg;
11268: } else if((seg = msdos_mem_alloc(first_mcb, REG16(BX), 0)) != -1) {
11269: REG16(AX) = seg;
11270: } else {
11271: REG16(AX) = 0x08;
11272: REG16(BX) = max(msdos_mem_get_free(UMB_TOP >> 4, 0), msdos_mem_get_free(first_mcb, 0));
11273: m_CF = 1;
11274: }
1.1 root 11275: }
11276: }
11277:
11278: inline void msdos_int_21h_49h()
11279: {
1.1.1.14 root 11280: int mcb_seg = SREG(ES) - 1;
11281: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
11282:
11283: if(mcb->mz == 'M' || mcb->mz == 'Z') {
11284: msdos_mem_free(SREG(ES));
11285: } else {
1.1.1.33 root 11286: REG16(AX) = 0x09; // illegal memory block address
1.1.1.14 root 11287: m_CF = 1;
11288: }
1.1 root 11289: }
11290:
11291: inline void msdos_int_21h_4ah()
11292: {
1.1.1.14 root 11293: int mcb_seg = SREG(ES) - 1;
11294: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1 root 11295: int max_paragraphs;
11296:
1.1.1.14 root 11297: if(mcb->mz == 'M' || mcb->mz == 'Z') {
11298: if(msdos_mem_realloc(SREG(ES), REG16(BX), &max_paragraphs)) {
11299: REG16(AX) = 0x08;
11300: REG16(BX) = max_paragraphs > 0x7fff && limit_max_memory ? 0x7fff : max_paragraphs;
11301: m_CF = 1;
11302: }
11303: } else {
1.1.1.33 root 11304: REG16(AX) = 0x09; // illegal memory block address
1.1.1.3 root 11305: m_CF = 1;
1.1 root 11306: }
11307: }
11308:
11309: inline void msdos_int_21h_4bh()
11310: {
1.1.1.3 root 11311: char *command = (char *)(mem + SREG_BASE(DS) + REG16(DX));
11312: param_block_t *param = (param_block_t *)(mem + SREG_BASE(ES) + REG16(BX));
1.1 root 11313:
11314: switch(REG8(AL)) {
11315: case 0x00:
11316: case 0x01:
11317: if(msdos_process_exec(command, param, REG8(AL))) {
11318: REG16(AX) = 0x02;
1.1.1.3 root 11319: m_CF = 1;
1.1 root 11320: }
11321: break;
1.1.1.14 root 11322: case 0x03:
11323: {
11324: int fd;
11325: if((fd = _open(command, _O_RDONLY | _O_BINARY)) == -1) {
11326: REG16(AX) = 0x02;
11327: m_CF = 1;
11328: break;
11329: }
11330: int size = _read(fd, file_buffer, sizeof(file_buffer));
11331: _close(fd);
11332:
11333: UINT16 *overlay = (UINT16 *)param;
11334:
11335: // check exe header
11336: exe_header_t *header = (exe_header_t *)file_buffer;
11337: int header_size = 0;
11338: if(header->mz == 0x4d5a || header->mz == 0x5a4d) {
11339: header_size = header->header_size * 16;
11340: // relocation
11341: int start_seg = overlay[1];
11342: for(int i = 0; i < header->relocations; i++) {
11343: int ofs = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 0);
11344: int seg = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 2);
11345: *(UINT16 *)(file_buffer + header_size + (seg << 4) + ofs) += start_seg;
11346: }
11347: }
11348: memcpy(mem + (overlay[0] << 4), file_buffer + header_size, size - header_size);
11349: }
11350: break;
1.1.1.43 root 11351: case 0xfd:
11352: case 0xfe:
11353: // unknown function called in FreeCOM
11354: REG16(AX) = 0x01;
11355: m_CF = 1;
11356: break;
1.1 root 11357: default:
1.1.1.22 root 11358: 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 11359: REG16(AX) = 0x01;
1.1.1.3 root 11360: m_CF = 1;
1.1 root 11361: break;
11362: }
11363: }
11364:
11365: inline void msdos_int_21h_4ch()
11366: {
11367: msdos_process_terminate(current_psp, REG8(AL), 1);
11368: }
11369:
11370: inline void msdos_int_21h_4dh()
11371: {
11372: REG16(AX) = retval;
11373: }
11374:
11375: inline void msdos_int_21h_4eh()
11376: {
11377: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 11378: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
11379: find_t *find = (find_t *)(mem + dta_laddr);
1.1.1.45 root 11380: const char *path = msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 11381: WIN32_FIND_DATA fd;
11382:
1.1.1.14 root 11383: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, LFN_DTA_LADDR);
11384: find->find_magic = FIND_MAGIC;
11385: find->dta_index = dtainfo - dtalist;
1.1 root 11386: strcpy(process->volume_label, msdos_volume_label(path));
1.1.1.14 root 11387: dtainfo->allowable_mask = REG8(CL);
11388: bool label_only = (dtainfo->allowable_mask == 8);
1.1 root 11389:
1.1.1.14 root 11390: if((dtainfo->allowable_mask & 8) && !msdos_match_volume_label(path, msdos_short_volume_label(process->volume_label))) {
11391: dtainfo->allowable_mask &= ~8;
1.1 root 11392: }
1.1.1.14 root 11393: if(!label_only && (dtainfo->find_handle = FindFirstFile(path, &fd)) != INVALID_HANDLE_VALUE) {
11394: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 11395: !msdos_find_file_has_8dot3name(&fd)) {
11396: if(!FindNextFile(dtainfo->find_handle, &fd)) {
11397: FindClose(dtainfo->find_handle);
11398: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 11399: break;
11400: }
11401: }
11402: }
1.1.1.13 root 11403: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 11404: find->attrib = (UINT8)(fd.dwFileAttributes & 0x3f);
11405: msdos_find_file_conv_local_time(&fd);
11406: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->date, &find->time);
11407: find->size = fd.nFileSizeLow;
1.1.1.13 root 11408: strcpy(find->name, msdos_short_name(&fd));
1.1 root 11409: REG16(AX) = 0;
1.1.1.14 root 11410: } else if(dtainfo->allowable_mask & 8) {
1.1 root 11411: find->attrib = 8;
11412: find->size = 0;
11413: strcpy(find->name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 11414: dtainfo->allowable_mask &= ~8;
1.1 root 11415: REG16(AX) = 0;
11416: } else {
11417: REG16(AX) = 0x12; // NOTE: return 0x02 if file path is invalid
1.1.1.3 root 11418: m_CF = 1;
1.1 root 11419: }
11420: }
11421:
11422: inline void msdos_int_21h_4fh()
11423: {
11424: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 11425: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
11426: find_t *find = (find_t *)(mem + dta_laddr);
1.1 root 11427: WIN32_FIND_DATA fd;
11428:
1.1.1.14 root 11429: if(find->find_magic != FIND_MAGIC || find->dta_index >= MAX_DTAINFO) {
11430: REG16(AX) = 0x12;
11431: m_CF = 1;
11432: return;
11433: }
11434: dtainfo_t *dtainfo = &dtalist[find->dta_index];
1.1.1.13 root 11435: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
11436: if(FindNextFile(dtainfo->find_handle, &fd)) {
1.1.1.14 root 11437: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 11438: !msdos_find_file_has_8dot3name(&fd)) {
11439: if(!FindNextFile(dtainfo->find_handle, &fd)) {
11440: FindClose(dtainfo->find_handle);
11441: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 11442: break;
11443: }
11444: }
11445: } else {
1.1.1.13 root 11446: FindClose(dtainfo->find_handle);
11447: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 11448: }
11449: }
1.1.1.13 root 11450: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 11451: find->attrib = (UINT8)(fd.dwFileAttributes & 0x3f);
11452: msdos_find_file_conv_local_time(&fd);
11453: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->date, &find->time);
11454: find->size = fd.nFileSizeLow;
1.1.1.13 root 11455: strcpy(find->name, msdos_short_name(&fd));
1.1 root 11456: REG16(AX) = 0;
1.1.1.14 root 11457: } else if(dtainfo->allowable_mask & 8) {
1.1 root 11458: find->attrib = 8;
11459: find->size = 0;
11460: strcpy(find->name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 11461: dtainfo->allowable_mask &= ~8;
1.1 root 11462: REG16(AX) = 0;
11463: } else {
11464: REG16(AX) = 0x12;
1.1.1.3 root 11465: m_CF = 1;
1.1 root 11466: }
11467: }
11468:
11469: inline void msdos_int_21h_50h()
11470: {
1.1.1.8 root 11471: if(current_psp != REG16(BX)) {
11472: process_t *process = msdos_process_info_get(current_psp);
11473: if(process != NULL) {
11474: process->psp = REG16(BX);
11475: }
11476: current_psp = REG16(BX);
1.1.1.23 root 11477: msdos_sda_update(current_psp);
1.1.1.8 root 11478: }
1.1 root 11479: }
11480:
11481: inline void msdos_int_21h_51h()
11482: {
11483: REG16(BX) = current_psp;
11484: }
11485:
11486: inline void msdos_int_21h_52h()
11487: {
1.1.1.25 root 11488: SREG(ES) = DOS_INFO_TOP >> 4;
1.1.1.3 root 11489: i386_load_segment_descriptor(ES);
1.1.1.25 root 11490: REG16(BX) = offsetof(dos_info_t, first_dpb);
1.1 root 11491: }
11492:
1.1.1.43 root 11493: inline void msdos_int_21h_53h()
11494: {
11495: dpb_t *dpb = (dpb_t *)(mem + SREG_BASE(ES) + REG16(BP));
11496: bpb_t *bpb = (bpb_t *)(mem + SREG_BASE(DS) + REG16(SI));
11497:
11498: dpb->bytes_per_sector = bpb->bytes_per_sector;
11499: dpb->highest_sector_num = bpb->sectors_per_track - 1;
11500: dpb->shift_count = 0;
11501: dpb->reserved_sectors = 0;
11502: dpb->fat_num = bpb->fat_num;
11503: dpb->root_entries = bpb->root_entries;
11504: dpb->first_data_sector = 0;
11505: if(bpb->sectors_per_cluster != 0) {
11506: dpb->highest_cluster_num = (UINT16)(((REG16(CX) == 0x4558 && bpb->total_sectors == 0) ? bpb->ext_total_sectors : bpb->total_sectors) / bpb->sectors_per_cluster + 1);
11507: } else {
11508: dpb->highest_cluster_num = 0;
11509: }
11510: dpb->sectors_per_fat = (REG16(CX) == 0x4558 && bpb->sectors_per_fat == 0) ? bpb->ext_sectors_per_fat : bpb->sectors_per_fat;
11511: dpb->first_dir_sector = 0;
11512: dpb->device_driver_header = 0;
11513: dpb->media_type = bpb->media_type;
11514: dpb->drive_accessed = 0;
11515: dpb->next_dpb_ofs = 0xffff;
11516: dpb->next_dpb_seg = 0xffff;
11517: dpb->first_free_cluster = 0;
11518: dpb->free_clusters = 0xffff;
11519: }
11520:
1.1 root 11521: inline void msdos_int_21h_54h()
11522: {
11523: process_t *process = msdos_process_info_get(current_psp);
11524:
11525: REG8(AL) = process->verify;
11526: }
11527:
11528: inline void msdos_int_21h_55h()
11529: {
11530: psp_t *psp = (psp_t *)(mem + (REG16(DX) << 4));
11531:
11532: memcpy(mem + (REG16(DX) << 4), mem + (current_psp << 4), sizeof(psp_t));
11533: psp->int_22h.dw = *(UINT32 *)(mem + 4 * 0x22);
11534: psp->int_23h.dw = *(UINT32 *)(mem + 4 * 0x23);
11535: psp->int_24h.dw = *(UINT32 *)(mem + 4 * 0x24);
11536: psp->parent_psp = current_psp;
11537: }
11538:
11539: inline void msdos_int_21h_56h(int lfn)
11540: {
11541: char src[MAX_PATH], dst[MAX_PATH];
1.1.1.3 root 11542: strcpy(src, msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn));
11543: strcpy(dst, msdos_trimmed_path((char *)(mem + SREG_BASE(ES) + REG16(DI)), lfn));
1.1 root 11544:
11545: if(rename(src, dst)) {
11546: REG16(AX) = errno;
1.1.1.3 root 11547: m_CF = 1;
1.1 root 11548: }
11549: }
11550:
11551: inline void msdos_int_21h_57h()
11552: {
11553: FILETIME time, local;
1.1.1.14 root 11554: FILETIME *ctime, *atime, *mtime;
1.1.1.21 root 11555: HANDLE hHandle;
1.1 root 11556:
1.1.1.21 root 11557: if((hHandle = (HANDLE)_get_osfhandle(REG16(BX))) == INVALID_HANDLE_VALUE) {
1.1.1.14 root 11558: REG16(AX) = (UINT16)GetLastError();
11559: m_CF = 1;
11560: return;
11561: }
11562: ctime = atime = mtime = NULL;
11563:
1.1 root 11564: switch(REG8(AL)) {
11565: case 0x00:
1.1.1.6 root 11566: case 0x01:
1.1.1.14 root 11567: mtime = &time;
1.1.1.6 root 11568: break;
11569: case 0x04:
11570: case 0x05:
1.1.1.14 root 11571: atime = &time;
1.1 root 11572: break;
1.1.1.6 root 11573: case 0x06:
11574: case 0x07:
1.1.1.14 root 11575: ctime = &time;
11576: break;
11577: default:
1.1.1.22 root 11578: 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 11579: REG16(AX) = 0x01;
11580: m_CF = 1;
11581: return;
11582: }
11583: if(REG8(AL) & 1) {
1.1 root 11584: DosDateTimeToFileTime(REG16(DX), REG16(CX), &local);
11585: LocalFileTimeToFileTime(&local, &time);
1.1.1.21 root 11586: if(!SetFileTime(hHandle, ctime, atime, mtime)) {
1.1 root 11587: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 11588: m_CF = 1;
1.1 root 11589: }
1.1.1.14 root 11590: } else {
1.1.1.21 root 11591: if(!GetFileTime(hHandle, ctime, atime, mtime)) {
1.1.1.14 root 11592: // assume a device and use the current time
11593: GetSystemTimeAsFileTime(&time);
11594: }
11595: FileTimeToLocalFileTime(&time, &local);
11596: FileTimeToDosDateTime(&local, ®16(DX), ®16(CX));
1.1 root 11597: }
11598: }
11599:
11600: inline void msdos_int_21h_58h()
11601: {
11602: switch(REG8(AL)) {
11603: case 0x00:
1.1.1.7 root 11604: REG16(AX) = malloc_strategy;
11605: break;
11606: case 0x01:
1.1.1.24 root 11607: // switch(REG16(BX)) {
11608: switch(REG8(BL)) {
1.1.1.7 root 11609: case 0x0000:
11610: case 0x0001:
11611: case 0x0002:
11612: case 0x0040:
11613: case 0x0041:
11614: case 0x0042:
11615: case 0x0080:
11616: case 0x0081:
11617: case 0x0082:
11618: malloc_strategy = REG16(BX);
1.1.1.23 root 11619: msdos_sda_update(current_psp);
1.1.1.7 root 11620: break;
11621: default:
1.1.1.22 root 11622: 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 11623: REG16(AX) = 0x01;
11624: m_CF = 1;
11625: break;
11626: }
11627: break;
11628: case 0x02:
1.1.1.19 root 11629: REG8(AL) = msdos_mem_get_umb_linked() ? 1 : 0;
1.1.1.7 root 11630: break;
11631: case 0x03:
1.1.1.24 root 11632: // switch(REG16(BX)) {
11633: switch(REG8(BL)) {
1.1.1.7 root 11634: case 0x0000:
1.1.1.19 root 11635: msdos_mem_unlink_umb();
11636: break;
1.1.1.7 root 11637: case 0x0001:
1.1.1.19 root 11638: msdos_mem_link_umb();
1.1.1.7 root 11639: break;
11640: default:
1.1.1.22 root 11641: 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 11642: REG16(AX) = 0x01;
11643: m_CF = 1;
11644: break;
11645: }
1.1 root 11646: break;
11647: default:
1.1.1.22 root 11648: 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 11649: REG16(AX) = 0x01;
1.1.1.3 root 11650: m_CF = 1;
1.1 root 11651: break;
11652: }
11653: }
11654:
11655: inline void msdos_int_21h_59h()
11656: {
1.1.1.47! root 11657: if(REG16(BX) == 0x0000) {
! 11658: sda_t *sda = (sda_t *)(mem + SDA_TOP);
! 11659:
! 11660: REG16(AX) = sda->extended_error_code;
! 11661: REG8(BH) = sda->error_class;
! 11662: REG8(BL) = sda->suggested_action;
! 11663: REG8(CH) = sda->locus_of_last_error;
! 11664: // XXX: GW-BASIC 3.23 invites the registers contents of CL, DX, SI, DI, DS, and ES are not destroyed
! 11665: if(sda->int21h_5d0ah_called != 0) {
! 11666: REG8(CL) = sda->int21h_5d0ah_cl;
! 11667: REG16(DX) = sda->int21h_5d0ah_dx;
! 11668: // REG16(SI) = sda->int21h_5d0ah_si;
! 11669: REG16(DI) = sda->last_error_pointer.w.l;
! 11670: // SREG(DS) = sda->int21h_5d0ah_ds;
! 11671: // i386_load_segment_descriptor(DS);
! 11672: SREG(ES) = sda->last_error_pointer.w.h;
! 11673: i386_load_segment_descriptor(ES);
! 11674: }
! 11675: sda->int21h_5d0ah_called = 0;
! 11676: // } else if(REG16(BX) == 0x0001) {
! 11677: // // European MS-DOS 4.0 - Get Hard Error Information
! 11678: } else {
! 11679: 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));
! 11680: REG16(AX) = 0x01;
! 11681: m_CF = 1;
! 11682: }
1.1 root 11683: }
11684:
11685: inline void msdos_int_21h_5ah()
11686: {
1.1.1.3 root 11687: char *path = (char *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 11688: int len = strlen(path);
11689: char tmp[MAX_PATH];
11690:
11691: if(GetTempFileName(path, "TMP", 0, tmp)) {
11692: int fd = _open(tmp, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
11693:
11694: SetFileAttributes(tmp, msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY);
11695: REG16(AX) = fd;
11696: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_drive_number(path), current_psp);
1.1.1.20 root 11697: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 11698:
11699: strcpy(path, tmp);
11700: int dx = REG16(DX) + len;
1.1.1.3 root 11701: int ds = SREG(DS);
1.1 root 11702: while(dx > 0xffff) {
11703: dx -= 0x10;
11704: ds++;
11705: }
11706: REG16(DX) = dx;
1.1.1.3 root 11707: SREG(DS) = ds;
11708: i386_load_segment_descriptor(DS);
1.1 root 11709: } else {
11710: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 11711: m_CF = 1;
1.1 root 11712: }
11713: }
11714:
11715: inline void msdos_int_21h_5bh()
11716: {
1.1.1.45 root 11717: const char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 11718:
1.1.1.45 root 11719: // if(msdos_is_existing_file(path)) {
11720: if(msdos_is_device_path(path) || msdos_is_existing_file(path)) {
1.1 root 11721: // already exists
11722: REG16(AX) = 0x50;
1.1.1.3 root 11723: m_CF = 1;
1.1 root 11724: } else {
11725: int fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
11726:
11727: if(fd != -1) {
11728: SetFileAttributes(path, msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY);
11729: REG16(AX) = fd;
11730: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_drive_number(path), current_psp);
1.1.1.20 root 11731: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 11732: } else {
11733: REG16(AX) = errno;
1.1.1.3 root 11734: m_CF = 1;
1.1 root 11735: }
11736: }
11737: }
11738:
11739: inline void msdos_int_21h_5ch()
11740: {
11741: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 11742: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 11743:
1.1.1.20 root 11744: if(fd < process->max_files && file_handler[fd].valid) {
1.1 root 11745: if(REG8(AL) == 0 || REG8(AL) == 1) {
1.1.1.35 root 11746: static const int modes[2] = {_LK_LOCK, _LK_UNLCK};
1.1.1.20 root 11747: UINT32 pos = _tell(fd);
11748: _lseek(fd, (REG16(CX) << 16) | REG16(DX), SEEK_SET);
11749: if(_locking(fd, modes[REG8(AL)], (REG16(SI) << 16) | REG16(DI))) {
1.1 root 11750: REG16(AX) = errno;
1.1.1.3 root 11751: m_CF = 1;
1.1 root 11752: }
1.1.1.20 root 11753: _lseek(fd, pos, SEEK_SET);
1.1.1.26 root 11754:
1.1 root 11755: // some seconds may be passed in _locking()
1.1.1.35 root 11756: REQUEST_HARDWRE_UPDATE();
1.1 root 11757: } else {
11758: REG16(AX) = 0x01;
1.1.1.3 root 11759: m_CF = 1;
1.1 root 11760: }
11761: } else {
11762: REG16(AX) = 0x06;
1.1.1.3 root 11763: m_CF = 1;
1.1 root 11764: }
11765: }
11766:
1.1.1.22 root 11767: inline void msdos_int_21h_5dh()
11768: {
11769: switch(REG8(AL)) {
1.1.1.45 root 11770: case 0x00:
11771: if(*(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x12) == 0x0000) {
11772: // current system
11773: static bool reenter = false;
11774: if(!reenter) {
11775: UINT32 offset = SREG_BASE(DS) + REG16(DX);
11776: REG16(AX) = *(UINT16 *)(mem + offset + 0x00);
11777: REG16(BX) = *(UINT16 *)(mem + offset + 0x02);
11778: REG16(CX) = *(UINT16 *)(mem + offset + 0x04);
11779: REG16(DX) = *(UINT16 *)(mem + offset + 0x06);
11780: REG16(SI) = *(UINT16 *)(mem + offset + 0x08);
11781: REG16(DI) = *(UINT16 *)(mem + offset + 0x0a);
11782: SREG(DS) = *(UINT16 *)(mem + offset + 0x0c);
11783: SREG(ES) = *(UINT16 *)(mem + offset + 0x0e);
11784: i386_load_segment_descriptor(DS);
11785: i386_load_segment_descriptor(ES);
11786: reenter = true;
11787: try {
11788: msdos_syscall(0x21);
11789: } catch(...) {
11790: }
11791: reenter = false;
11792: }
11793: } else {
11794: REG16(AX) = 0x49; // network software not installed
11795: m_CF = 1;
11796: }
11797: break;
1.1.1.22 root 11798: case 0x06: // get address of dos swappable data area
1.1.1.23 root 11799: SREG(DS) = (SDA_TOP >> 4);
11800: i386_load_segment_descriptor(DS);
11801: REG16(SI) = offsetof(sda_t, crit_error_flag);
11802: REG16(CX) = 0x80;
11803: REG16(DX) = 0x1a;
11804: break;
1.1.1.45 root 11805: case 0x07: // get redirected printer mode
11806: case 0x08: // set redirected printer mode
11807: case 0x09: // flush redirected printer output
11808: REG16(AX) = 0x49; // network software not installed
11809: m_CF = 1;
11810: break;
1.1.1.43 root 11811: case 0x0a: // set extended error information
11812: {
11813: sda_t *sda = (sda_t *)(mem + SDA_TOP);
1.1.1.47! root 11814: sda->int21h_5d0ah_called = 1;
1.1.1.43 root 11815: sda->extended_error_code = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x00); // AX
1.1.1.47! root 11816: // XXX: which one is correct ???
! 11817: #if 1
! 11818: // Ralf Brown's Interrupt List and DR-DOS System and Programmer's Guide
1.1.1.43 root 11819: sda->suggested_action = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x02); // BL
11820: sda->error_class = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x03); // BH
1.1.1.47! root 11821: sda->int21h_5d0ah_cl = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x04); // CL
1.1.1.43 root 11822: sda->locus_of_last_error = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x05); // CH
1.1.1.47! root 11823: #else
! 11824: // PC DOS 7 Technical Update
! 11825: sda->error_class = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x02); // BH
! 11826: sda->suggested_action = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x03); // BL
! 11827: sda->locus_of_last_error = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x04); // CH
! 11828: sda->int21h_5d0ah_cl = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x05); // CL
! 11829: #endif
! 11830: sda->int21h_5d0ah_dx = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x06); // DX
! 11831: // sda->int21h_5d0ah_si = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x08); // SI
1.1.1.43 root 11832: sda->last_error_pointer.w.l = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0a); // DI
1.1.1.47! root 11833: // sda->int21h_5d0ah_ds = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0c); // DS
1.1.1.43 root 11834: sda->last_error_pointer.w.h = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0e); // ES
11835: }
11836: break;
1.1.1.23 root 11837: case 0x0b: // get dos swappable data areas
1.1.1.22 root 11838: REG16(AX) = 0x01;
11839: m_CF = 1;
11840: break;
11841: default:
11842: 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));
11843: REG16(AX) = 0x01;
11844: m_CF = 1;
11845: break;
11846: }
11847: }
11848:
1.1.1.42 root 11849: inline void msdos_int_21h_5eh()
11850: {
11851: switch(REG8(AL)) {
11852: case 0x00:
11853: {
11854: char name[256] = {0};
11855: DWORD dwSize = 256;
11856:
11857: if(GetComputerName(name, &dwSize)) {
11858: char *dest = (char *)(mem + SREG_BASE(DS) + REG16(DX));
11859: for(int i = 0; i < 15; i++) {
11860: dest[i] = (i < strlen(name)) ? name[i] : ' ';
11861: }
11862: dest[15] = '\0';
11863: REG8(CH) = 0x01; // nonzero valid
11864: REG8(CL) = 0x01; // NetBIOS number for machine name ???
11865: } else {
11866: REG16(AX) = 0x01;
11867: m_CF = 1;
11868: }
11869: }
11870: break;
11871: default:
1.1.1.45 root 11872: // 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));
11873: // REG16(AX) = 0x01;
11874: REG16(AX) = 0x49; // network software not installed
1.1.1.42 root 11875: m_CF = 1;
11876: break;
11877: }
11878: }
11879:
1.1.1.30 root 11880: inline void msdos_int_21h_5fh()
11881: {
11882: switch(REG8(AL)) {
1.1.1.42 root 11883: case 0x05:
1.1.1.44 root 11884: REG16(BP) = 0;
11885: for(int i = 0; i < 26; i++) {
11886: if(msdos_is_remote_drive(i)) {
11887: REG16(BP)++;
1.1.1.42 root 11888: }
11889: }
1.1.1.30 root 11890: case 0x02:
1.1.1.44 root 11891: for(int i = 0, index = 0; i < 26; i++) {
11892: if(msdos_is_remote_drive(i)) {
11893: if(index == REG16(BX)) {
11894: char volume[] = "A:";
1.1.1.30 root 11895: volume[0] = 'A' + i;
1.1.1.44 root 11896: DWORD dwSize = 128;
11897: strcpy((char *)(mem + SREG_BASE(DS) + REG16(SI)), volume);
11898: WNetGetConnection(volume, (char *)(mem + SREG_BASE(ES) + REG16(DI)), &dwSize);
11899: REG8(BH) = 0x00; // valid
11900: REG8(BL) = 0x04; // disk drive
11901: REG16(CX) = 0x00; // LANtastic
11902: return;
1.1.1.30 root 11903: }
1.1.1.44 root 11904: index++;
1.1.1.30 root 11905: }
11906: }
11907: REG16(AX) = 0x12; // no more files
11908: m_CF = 1;
11909: break;
1.1.1.44 root 11910: case 0x07:
11911: if(msdos_is_valid_drive(REG8(DL))) {
11912: msdos_cds_update(REG8(DL));
11913: } else {
11914: REG16(AX) = 0x0f; // invalid drive
11915: m_CF = 1;
11916: }
11917: break;
11918: case 0x08:
11919: if(msdos_is_valid_drive(REG8(DL))) {
11920: cds_t *cds = (cds_t *)(mem + CDS_TOP + 88 * REG8(DL));
11921: cds->drive_attrib = 0x0000;
11922: } else {
11923: REG16(AX) = 0x0f; // invalid drive
11924: m_CF = 1;
11925: }
11926: break;
1.1.1.30 root 11927: default:
1.1.1.45 root 11928: // 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));
11929: // REG16(AX) = 0x01;
11930: REG16(AX) = 0x49; // network software not installed
1.1.1.30 root 11931: m_CF = 1;
11932: break;
11933: }
11934: }
11935:
1.1 root 11936: inline void msdos_int_21h_60h(int lfn)
11937: {
1.1.1.45 root 11938: char full[MAX_PATH];
11939: const char *path = NULL;
1.1.1.14 root 11940:
1.1 root 11941: if(lfn) {
1.1.1.14 root 11942: char *name;
11943: *full = '\0';
1.1.1.3 root 11944: GetFullPathName((char *)(mem + SREG_BASE(DS) + REG16(SI)), MAX_PATH, full, &name);
1.1.1.14 root 11945: switch(REG8(CL)) {
11946: case 1:
11947: GetShortPathName(full, full, MAX_PATH);
11948: my_strupr(full);
11949: break;
11950: case 2:
11951: GetLongPathName(full, full, MAX_PATH);
11952: break;
11953: }
11954: path = full;
11955: } else {
11956: path = msdos_short_full_path((char *)(mem + SREG_BASE(DS) + REG16(SI)));
11957: }
11958: if(*path != '\0') {
11959: strcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), path);
1.1 root 11960: } else {
1.1.1.14 root 11961: REG16(AX) = (UINT16)GetLastError();
11962: m_CF = 1;
1.1 root 11963: }
11964: }
11965:
11966: inline void msdos_int_21h_61h()
11967: {
11968: REG8(AL) = 0;
11969: }
11970:
11971: inline void msdos_int_21h_62h()
11972: {
11973: REG16(BX) = current_psp;
11974: }
11975:
11976: inline void msdos_int_21h_63h()
11977: {
11978: switch(REG8(AL)) {
11979: case 0x00:
1.1.1.3 root 11980: SREG(DS) = (DBCS_TABLE >> 4);
11981: i386_load_segment_descriptor(DS);
1.1 root 11982: REG16(SI) = (DBCS_TABLE & 0x0f);
11983: REG8(AL) = 0x00;
11984: break;
1.1.1.22 root 11985: case 0x01: // set korean input mode
11986: case 0x02: // get korean input mode
11987: REG8(AL) = 0xff; // not supported
11988: break;
1.1 root 11989: default:
1.1.1.22 root 11990: 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 11991: REG16(AX) = 0x01;
1.1.1.3 root 11992: m_CF = 1;
1.1 root 11993: break;
11994: }
11995: }
11996:
1.1.1.25 root 11997: UINT16 get_extended_country_info(UINT8 func)
1.1 root 11998: {
1.1.1.25 root 11999: switch(func) {
1.1.1.17 root 12000: case 0x01:
12001: if(REG16(CX) >= 5) {
1.1.1.19 root 12002: UINT8 data[1 + 2 + 2 + 2 + sizeof(country_info_t)];
1.1.1.17 root 12003: if(REG16(CX) > sizeof(data)) // cx = actual transfer size
12004: REG16(CX) = sizeof(data);
12005: ZeroMemory(data, sizeof(data));
12006: data[0] = 0x01;
12007: *(UINT16 *)(data + 1) = REG16(CX) - 3;
1.1.1.19 root 12008: *(UINT16 *)(data + 3) = get_country_info((country_info_t*)(data + 7));
1.1.1.17 root 12009: *(UINT16 *)(data + 5) = active_code_page;
12010: memcpy(mem + SREG_BASE(ES) + REG16(DI), data, REG16(CX));
1.1.1.25 root 12011: // REG16(AX) = active_code_page;
1.1.1.17 root 12012: } else {
1.1.1.25 root 12013: return(0x08); // insufficient memory
1.1.1.17 root 12014: }
12015: break;
12016: case 0x02:
12017: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x02;
12018: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (UPPERTABLE_TOP & 0x0f);
12019: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (UPPERTABLE_TOP >> 4);
1.1.1.25 root 12020: // REG16(AX) = active_code_page;
1.1.1.17 root 12021: REG16(CX) = 0x05;
12022: break;
1.1.1.23 root 12023: case 0x03:
12024: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x02;
12025: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (LOWERTABLE_TOP & 0x0f);
12026: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (LOWERTABLE_TOP >> 4);
1.1.1.25 root 12027: // REG16(AX) = active_code_page;
1.1.1.23 root 12028: REG16(CX) = 0x05;
12029: break;
1.1.1.17 root 12030: case 0x04:
12031: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x04;
12032: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (FILENAME_UPPERTABLE_TOP & 0x0f);
12033: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (FILENAME_UPPERTABLE_TOP >> 4);
1.1.1.25 root 12034: // REG16(AX) = active_code_page;
1.1.1.17 root 12035: REG16(CX) = 0x05;
12036: break;
12037: case 0x05:
12038: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x05;
12039: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (FILENAME_TERMINATOR_TOP & 0x0f);
12040: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (FILENAME_TERMINATOR_TOP >> 4);
1.1.1.25 root 12041: // REG16(AX) = active_code_page;
1.1.1.17 root 12042: REG16(CX) = 0x05;
12043: break;
12044: case 0x06:
12045: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x06;
12046: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (COLLATING_TABLE_TOP & 0x0f);
12047: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (COLLATING_TABLE_TOP >> 4);
1.1.1.25 root 12048: // REG16(AX) = active_code_page;
1.1.1.17 root 12049: REG16(CX) = 0x05;
12050: break;
1.1 root 12051: case 0x07:
1.1.1.3 root 12052: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x07;
12053: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (DBCS_TOP & 0x0f);
12054: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (DBCS_TOP >> 4);
1.1.1.25 root 12055: // REG16(AX) = active_code_page;
1.1 root 12056: REG16(CX) = 0x05;
12057: break;
1.1.1.25 root 12058: default:
12059: return(0x01); // function number invalid
12060: }
12061: return(0x00);
12062: }
12063:
12064: inline void msdos_int_21h_65h()
12065: {
12066: char tmp[0x10000];
12067:
12068: switch(REG8(AL)) {
1.1.1.43 root 12069: case 0x00:
12070: if(REG16(CX) >= 7) {
12071: set_country_info((country_info_t *)(mem + SREG_BASE(ES) + REG16(DI)), REG16(CX) - 7);
12072: REG16(AX) = system_code_page;
12073: } else {
12074: REG16(AX) = 0x0c;
12075: m_CF = 1;
12076: }
12077: break;
1.1.1.25 root 12078: case 0x01:
12079: case 0x02:
12080: case 0x03:
12081: case 0x04:
12082: case 0x05:
12083: case 0x06:
12084: case 0x07:
12085: {
12086: UINT16 result = get_extended_country_info(REG8(AL));
12087: if(result) {
12088: REG16(AX) = result;
12089: m_CF = 1;
12090: } else {
12091: REG16(AX) = active_code_page; // FIXME: is this correct???
12092: }
12093: }
12094: break;
1.1 root 12095: case 0x20:
1.1.1.25 root 12096: case 0xa0:
1.1.1.19 root 12097: memset(tmp, 0, sizeof(tmp));
12098: tmp[0] = REG8(DL);
1.1 root 12099: my_strupr(tmp);
12100: REG8(DL) = tmp[0];
12101: break;
12102: case 0x21:
1.1.1.25 root 12103: case 0xa1:
1.1 root 12104: memset(tmp, 0, sizeof(tmp));
1.1.1.3 root 12105: memcpy(tmp, mem + SREG_BASE(DS) + REG16(DX), REG16(CX));
1.1 root 12106: my_strupr(tmp);
1.1.1.3 root 12107: memcpy(mem + SREG_BASE(DS) + REG16(DX), tmp, REG16(CX));
1.1 root 12108: break;
12109: case 0x22:
1.1.1.25 root 12110: case 0xa2:
1.1.1.3 root 12111: my_strupr((char *)(mem + SREG_BASE(DS) + REG16(DX)));
1.1 root 12112: break;
1.1.1.25 root 12113: case 0x23:
12114: // FIXME: need to check multi-byte (kanji) charactre?
1.1.1.45 root 12115: if(REG8(DL) == 'N' || REG8(DL) == 'n' || (REG8(DL) == 0x82 && REG8(DH) == 0x6d) || (REG8(DL) == 0x82 && REG8(DH) == 0x8e)) {
1.1.1.25 root 12116: // 826dh/828eh: multi-byte (kanji) N and n
1.1.1.45 root 12117: REG16(AX) = 0x00;
12118: } else if(REG8(DL) == 'Y' || REG8(DL) == 'y' || (REG8(DL) == 0x82 && REG8(DH) == 0x78) || (REG8(DL) == 0x82 && REG8(DH) == 0x99)) {
12119: // 8278h/8299h: multi-byte (kanji) Y and y
1.1.1.25 root 12120: REG16(AX) = 0x01;
12121: } else {
12122: REG16(AX) = 0x02;
12123: }
12124: break;
1.1 root 12125: default:
1.1.1.22 root 12126: 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 12127: REG16(AX) = 0x01;
1.1.1.3 root 12128: m_CF = 1;
1.1 root 12129: break;
12130: }
12131: }
12132:
12133: inline void msdos_int_21h_66h()
12134: {
12135: switch(REG8(AL)) {
12136: case 0x01:
12137: REG16(BX) = active_code_page;
12138: REG16(DX) = system_code_page;
12139: break;
12140: case 0x02:
12141: if(active_code_page == REG16(BX)) {
12142: REG16(AX) = 0xeb41;
12143: } else if(_setmbcp(REG16(BX)) == 0) {
12144: active_code_page = REG16(BX);
1.1.1.17 root 12145: msdos_nls_tables_update();
1.1 root 12146: REG16(AX) = 0xeb41;
1.1.1.32 root 12147: SetConsoleCP(active_code_page);
12148: SetConsoleOutputCP(active_code_page);
1.1 root 12149: } else {
12150: REG16(AX) = 0x25;
1.1.1.3 root 12151: m_CF = 1;
1.1 root 12152: }
12153: break;
12154: default:
1.1.1.22 root 12155: 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 12156: REG16(AX) = 0x01;
1.1.1.3 root 12157: m_CF = 1;
1.1 root 12158: break;
12159: }
12160: }
12161:
12162: inline void msdos_int_21h_67h()
12163: {
12164: process_t *process = msdos_process_info_get(current_psp);
12165:
12166: if(REG16(BX) <= MAX_FILES) {
12167: process->max_files = max(REG16(BX), 20);
12168: } else {
12169: REG16(AX) = 0x08;
1.1.1.3 root 12170: m_CF = 1;
1.1 root 12171: }
12172: }
12173:
12174: inline void msdos_int_21h_68h()
12175: {
12176: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 12177: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 12178:
1.1.1.20 root 12179: if(fd < process->max_files && file_handler[fd].valid) {
12180: // fflush(_fdopen(fd, ""));
1.1 root 12181: } else {
12182: REG16(AX) = 0x06;
1.1.1.3 root 12183: m_CF = 1;
1.1 root 12184: }
12185: }
12186:
12187: inline void msdos_int_21h_69h()
12188: {
1.1.1.3 root 12189: drive_info_t *info = (drive_info_t *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 12190: char path[] = "A:\\";
12191: char volume_label[MAX_PATH];
12192: DWORD serial_number = 0;
12193: char file_system[MAX_PATH];
12194:
12195: if(REG8(BL) == 0) {
12196: path[0] = 'A' + _getdrive() - 1;
12197: } else {
12198: path[0] = 'A' + REG8(BL) - 1;
12199: }
12200:
12201: switch(REG8(AL)) {
12202: case 0x00:
12203: if(GetVolumeInformation(path, volume_label, MAX_PATH, &serial_number, NULL, NULL, file_system, MAX_PATH)) {
12204: info->info_level = 0;
12205: info->serial_number = serial_number;
12206: memset(info->volume_label, 0x20, 11);
12207: memcpy(info->volume_label, volume_label, min(strlen(volume_label), 11));
12208: memset(info->file_system, 0x20, 8);
12209: memcpy(info->file_system, file_system, min(strlen(file_system), 8));
12210: } else {
12211: REG16(AX) = errno;
1.1.1.3 root 12212: m_CF = 1;
1.1 root 12213: }
12214: break;
12215: case 0x01:
12216: REG16(AX) = 0x03;
1.1.1.3 root 12217: m_CF = 1;
1.1.1.45 root 12218: break;
12219: default:
12220: 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));
12221: REG16(AX) = 0x01;
12222: m_CF = 1;
12223: break;
1.1 root 12224: }
12225: }
12226:
12227: inline void msdos_int_21h_6ah()
12228: {
12229: REG8(AH) = 0x68;
12230: msdos_int_21h_68h();
12231: }
12232:
12233: inline void msdos_int_21h_6bh()
12234: {
1.1.1.45 root 12235: REG8(AL) = 0x00;
1.1 root 12236: }
12237:
12238: inline void msdos_int_21h_6ch(int lfn)
12239: {
1.1.1.45 root 12240: const char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(SI)), lfn);
1.1 root 12241: int mode = REG8(BL) & 0x03;
12242:
12243: if(mode < 0x03) {
1.1.1.29 root 12244: if(msdos_is_device_path(path) || msdos_is_existing_file(path)) {
1.1 root 12245: // file exists
12246: if(REG8(DL) & 1) {
1.1.1.37 root 12247: int fd = -1;
12248: int sio_port = 0;
12249: int lpt_port = 0;
1.1 root 12250:
1.1.1.45 root 12251: if(msdos_is_device_path(path)) {
12252: fd = msdos_open_device(path, file_mode[mode].mode, &sio_port, &lpt_port);
1.1.1.11 root 12253: } else {
1.1.1.13 root 12254: fd = msdos_open(path, file_mode[mode].mode);
1.1.1.11 root 12255: }
1.1 root 12256: if(fd != -1) {
12257: REG16(AX) = fd;
12258: REG16(CX) = 1;
1.1.1.45 root 12259: msdos_file_handler_open(fd, path, _isatty(fd), mode, msdos_device_info(path), current_psp, sio_port, lpt_port);
1.1.1.20 root 12260: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 12261: } else {
12262: REG16(AX) = errno;
1.1.1.3 root 12263: m_CF = 1;
1.1 root 12264: }
12265: } else if(REG8(DL) & 2) {
12266: int attr = GetFileAttributes(path);
1.1.1.37 root 12267: int fd = -1;
12268: int sio_port = 0;
12269: int lpt_port = 0;
1.1 root 12270:
1.1.1.45 root 12271: if(msdos_is_device_path(path)) {
12272: fd = msdos_open_device(path, file_mode[mode].mode, &sio_port, &lpt_port);
1.1 root 12273: } else {
12274: fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
12275: }
12276: if(fd != -1) {
12277: if(attr == -1) {
12278: attr = msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY;
12279: }
12280: SetFileAttributes(path, attr);
12281: REG16(AX) = fd;
12282: REG16(CX) = 3;
1.1.1.45 root 12283: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_device_info(path), current_psp, sio_port, lpt_port);
1.1.1.20 root 12284: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 12285: } else {
12286: REG16(AX) = errno;
1.1.1.3 root 12287: m_CF = 1;
1.1 root 12288: }
12289: } else {
12290: REG16(AX) = 0x50;
1.1.1.3 root 12291: m_CF = 1;
1.1 root 12292: }
12293: } else {
12294: // file not exists
12295: if(REG8(DL) & 0x10) {
12296: int fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
12297:
12298: if(fd != -1) {
12299: SetFileAttributes(path, msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY);
12300: REG16(AX) = fd;
12301: REG16(CX) = 2;
12302: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_drive_number(path), current_psp);
1.1.1.20 root 12303: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 12304: } else {
12305: REG16(AX) = errno;
1.1.1.3 root 12306: m_CF = 1;
1.1 root 12307: }
12308: } else {
12309: REG16(AX) = 0x02;
1.1.1.3 root 12310: m_CF = 1;
1.1 root 12311: }
12312: }
12313: } else {
12314: REG16(AX) = 0x0c;
1.1.1.3 root 12315: m_CF = 1;
1.1 root 12316: }
12317: }
12318:
1.1.1.43 root 12319: inline void msdos_int_21h_70h()
12320: {
12321: switch(REG8(AL)) {
12322: case 0x02:
12323: if(REG16(CX) >= 7) {
12324: active_code_page = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 5);
12325: msdos_nls_tables_update();
12326: set_country_info((country_info_t *)(mem + SREG_BASE(DS) + REG16(SI) + 7), REG16(CX) - 7);
12327: REG16(AX) = system_code_page;
12328: } else {
12329: REG16(AX) = 0x0c;
12330: m_CF = 1;
12331: }
12332: break;
12333: default:
12334: 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));
12335: REG16(AX) = 0x01;
12336: m_CF = 1;
12337: break;
12338: }
12339: }
12340:
1.1 root 12341: inline void msdos_int_21h_710dh()
12342: {
12343: // reset drive
12344: }
12345:
1.1.1.17 root 12346: inline void msdos_int_21h_7141h(int lfn)
12347: {
12348: if(REG16(SI) == 0) {
12349: msdos_int_21h_41h(lfn);
12350: return;
12351: }
12352: if(REG16(SI) != 1) {
12353: REG16(AX) = 5;
12354: m_CF = 1;
12355: }
12356: /* wild card and matching attributes... */
12357: char tmp[MAX_PATH * 2];
12358: // copy search pathname (and quick check overrun)
12359: ZeroMemory(tmp, sizeof(tmp));
12360: tmp[MAX_PATH - 1] = '\0';
12361: tmp[MAX_PATH] = 1;
12362: strncpy(tmp, (char *)(mem + SREG_BASE(DS) + REG16(DX)), MAX_PATH);
12363:
12364: if(tmp[MAX_PATH - 1] != '\0' || tmp[MAX_PATH] != 1) {
12365: REG16(AX) = 1;
12366: m_CF = 1;
12367: return;
12368: }
12369: for(char *s = tmp; *s; ++s) {
12370: if(*s == '/') {
12371: *s = '\\';
12372: }
12373: }
12374: char *tmp_name = (char *)_mbsrchr((unsigned char *)tmp, '\\');
12375: if(tmp_name) {
12376: ++tmp_name;
12377: } else {
12378: tmp_name = strchr(tmp, ':');
12379: tmp_name = tmp_name ? tmp_name + 1 : tmp;
12380: }
12381:
12382: WIN32_FIND_DATAA fd;
12383: HANDLE fh = FindFirstFileA(tmp, &fd);
12384: if(fh == INVALID_HANDLE_VALUE) {
12385: REG16(AX) = 2;
12386: m_CF = 1;
12387: return;
12388: }
12389: do {
12390: if(msdos_find_file_check_attribute(fd.dwFileAttributes, REG8(CL), REG8(CH)) && msdos_find_file_has_8dot3name(&fd)) {
12391: strcpy(tmp_name, fd.cFileName);
12392: if(remove(msdos_trimmed_path(tmp, lfn))) {
12393: REG16(AX) = 5;
12394: m_CF = 1;
12395: break;
12396: }
12397: }
12398: } while(FindNextFileA(fh, &fd));
12399: if(!m_CF) {
12400: if(GetLastError() != ERROR_NO_MORE_FILES) {
12401: m_CF = 1;
12402: REG16(AX) = 2;
12403: }
12404: }
12405: FindClose(fh);
12406: }
12407:
1.1 root 12408: inline void msdos_int_21h_714eh()
12409: {
12410: process_t *process = msdos_process_info_get(current_psp);
1.1.1.3 root 12411: find_lfn_t *find = (find_lfn_t *)(mem + SREG_BASE(ES) + REG16(DI));
12412: char *path = (char *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 12413: WIN32_FIND_DATA fd;
12414:
1.1.1.13 root 12415: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, LFN_DTA_LADDR);
12416: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
12417: FindClose(dtainfo->find_handle);
12418: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 12419: }
12420: strcpy(process->volume_label, msdos_volume_label(path));
1.1.1.14 root 12421: dtainfo->allowable_mask = REG8(CL);
12422: dtainfo->required_mask = REG8(CH);
12423: bool label_only = (dtainfo->allowable_mask == 8);
1.1 root 12424:
1.1.1.14 root 12425: if((dtainfo->allowable_mask & 8) && !msdos_match_volume_label(path, msdos_short_volume_label(process->volume_label))) {
12426: dtainfo->allowable_mask &= ~8;
1.1 root 12427: }
1.1.1.14 root 12428: if(!label_only && (dtainfo->find_handle = FindFirstFile(path, &fd)) != INVALID_HANDLE_VALUE) {
12429: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, dtainfo->required_mask)) {
1.1.1.13 root 12430: if(!FindNextFile(dtainfo->find_handle, &fd)) {
12431: FindClose(dtainfo->find_handle);
12432: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 12433: break;
12434: }
12435: }
12436: }
1.1.1.13 root 12437: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 12438: find->attrib = fd.dwFileAttributes;
12439: msdos_find_file_conv_local_time(&fd);
12440: if(REG16(SI) == 0) {
12441: find->ctime_lo.dw = fd.ftCreationTime.dwLowDateTime;
12442: find->ctime_hi.dw = fd.ftCreationTime.dwHighDateTime;
12443: find->atime_lo.dw = fd.ftLastAccessTime.dwLowDateTime;
12444: find->atime_hi.dw = fd.ftLastAccessTime.dwHighDateTime;
12445: find->mtime_lo.dw = fd.ftLastWriteTime.dwLowDateTime;
12446: find->mtime_hi.dw = fd.ftLastWriteTime.dwHighDateTime;
12447: } else {
12448: FileTimeToDosDateTime(&fd.ftCreationTime, &find->ctime_lo.w.h, &find->ctime_lo.w.l);
12449: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->atime_lo.w.h, &find->atime_lo.w.l);
12450: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->mtime_lo.w.h, &find->mtime_lo.w.l);
12451: }
12452: find->size_hi = fd.nFileSizeHigh;
12453: find->size_lo = fd.nFileSizeLow;
12454: strcpy(find->full_name, fd.cFileName);
1.1.1.13 root 12455: strcpy(find->short_name, fd.cAlternateFileName);
1.1.1.14 root 12456: REG16(AX) = dtainfo - dtalist + 1;
12457: } else if(dtainfo->allowable_mask & 8) {
1.1 root 12458: // volume label
12459: find->attrib = 8;
12460: find->size_hi = find->size_lo = 0;
12461: strcpy(find->full_name, process->volume_label);
12462: strcpy(find->short_name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 12463: dtainfo->allowable_mask &= ~8;
12464: REG16(AX) = dtainfo - dtalist + 1;
1.1 root 12465: } else {
12466: REG16(AX) = 0x12; // NOTE: return 0x02 if file path is invalid
1.1.1.3 root 12467: m_CF = 1;
1.1 root 12468: }
12469: }
12470:
12471: inline void msdos_int_21h_714fh()
12472: {
12473: process_t *process = msdos_process_info_get(current_psp);
1.1.1.3 root 12474: find_lfn_t *find = (find_lfn_t *)(mem + SREG_BASE(ES) + REG16(DI));
1.1 root 12475: WIN32_FIND_DATA fd;
12476:
1.1.1.14 root 12477: if(REG16(BX) - 1u >= MAX_DTAINFO) {
12478: REG16(AX) = 6;
1.1.1.13 root 12479: m_CF = 1;
12480: return;
12481: }
1.1.1.14 root 12482: dtainfo_t *dtainfo = &dtalist[REG16(BX) - 1];
1.1.1.13 root 12483: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
12484: if(FindNextFile(dtainfo->find_handle, &fd)) {
1.1.1.14 root 12485: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, dtainfo->required_mask)) {
1.1.1.13 root 12486: if(!FindNextFile(dtainfo->find_handle, &fd)) {
12487: FindClose(dtainfo->find_handle);
12488: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 12489: break;
12490: }
12491: }
12492: } else {
1.1.1.13 root 12493: FindClose(dtainfo->find_handle);
12494: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 12495: }
12496: }
1.1.1.13 root 12497: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 12498: find->attrib = fd.dwFileAttributes;
12499: msdos_find_file_conv_local_time(&fd);
12500: if(REG16(SI) == 0) {
12501: find->ctime_lo.dw = fd.ftCreationTime.dwLowDateTime;
12502: find->ctime_hi.dw = fd.ftCreationTime.dwHighDateTime;
12503: find->atime_lo.dw = fd.ftLastAccessTime.dwLowDateTime;
12504: find->atime_hi.dw = fd.ftLastAccessTime.dwHighDateTime;
12505: find->mtime_lo.dw = fd.ftLastWriteTime.dwLowDateTime;
12506: find->mtime_hi.dw = fd.ftLastWriteTime.dwHighDateTime;
12507: } else {
12508: FileTimeToDosDateTime(&fd.ftCreationTime, &find->ctime_lo.w.h, &find->ctime_lo.w.l);
12509: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->atime_lo.w.h, &find->atime_lo.w.l);
12510: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->mtime_lo.w.h, &find->mtime_lo.w.l);
12511: }
12512: find->size_hi = fd.nFileSizeHigh;
12513: find->size_lo = fd.nFileSizeLow;
12514: strcpy(find->full_name, fd.cFileName);
1.1.1.13 root 12515: strcpy(find->short_name, fd.cAlternateFileName);
1.1.1.14 root 12516: } else if(dtainfo->allowable_mask & 8) {
1.1 root 12517: // volume label
12518: find->attrib = 8;
12519: find->size_hi = find->size_lo = 0;
12520: strcpy(find->full_name, process->volume_label);
12521: strcpy(find->short_name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 12522: dtainfo->allowable_mask &= ~8;
1.1 root 12523: } else {
12524: REG16(AX) = 0x12;
1.1.1.3 root 12525: m_CF = 1;
1.1 root 12526: }
12527: }
12528:
12529: inline void msdos_int_21h_71a0h()
12530: {
12531: DWORD max_component_len, file_sys_flag;
12532:
1.1.1.14 root 12533: 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))) {
12534: REG16(BX) = (UINT16)file_sys_flag & (FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVED_NAMES | FILE_UNICODE_ON_DISK | FILE_VOLUME_IS_COMPRESSED);
12535: REG16(BX) |= 0x4000; // supports LFN functions
1.1 root 12536: REG16(CX) = (UINT16)max_component_len; // 255
12537: REG16(DX) = (UINT16)max_component_len + 5; // 260
12538: } else {
12539: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 12540: m_CF = 1;
1.1 root 12541: }
12542: }
12543:
12544: inline void msdos_int_21h_71a1h()
12545: {
1.1.1.14 root 12546: if(REG16(BX) - 1u >= MAX_DTAINFO) {
12547: REG16(AX) = 6;
1.1.1.13 root 12548: m_CF = 1;
12549: return;
12550: }
1.1.1.14 root 12551: dtainfo_t *dtainfo = &dtalist[REG16(BX) - 1];
1.1.1.13 root 12552: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
12553: FindClose(dtainfo->find_handle);
12554: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 12555: }
12556: }
12557:
12558: inline void msdos_int_21h_71a6h()
12559: {
12560: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 12561: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
12562:
1.1.1.3 root 12563: UINT8 *buffer = (UINT8 *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 12564: struct _stat64 status;
12565: DWORD serial_number = 0;
12566:
1.1.1.20 root 12567: if(fd < process->max_files && file_handler[fd].valid) {
12568: if(_fstat64(fd, &status) == 0) {
12569: if(file_handler[fd].path[1] == ':') {
1.1 root 12570: // NOTE: we need to consider the network file path "\\host\share\"
12571: char volume[] = "A:\\";
1.1.1.20 root 12572: volume[0] = file_handler[fd].path[1];
1.1 root 12573: GetVolumeInformation(volume, NULL, 0, &serial_number, NULL, NULL, NULL, 0);
12574: }
1.1.1.20 root 12575: *(UINT32 *)(buffer + 0x00) = GetFileAttributes(file_handler[fd].path);
1.1 root 12576: *(UINT32 *)(buffer + 0x04) = (UINT32)(status.st_ctime & 0xffffffff);
12577: *(UINT32 *)(buffer + 0x08) = (UINT32)((status.st_ctime >> 32) & 0xffffffff);
12578: *(UINT32 *)(buffer + 0x0c) = (UINT32)(status.st_atime & 0xffffffff);
12579: *(UINT32 *)(buffer + 0x10) = (UINT32)((status.st_atime >> 32) & 0xffffffff);
12580: *(UINT32 *)(buffer + 0x14) = (UINT32)(status.st_mtime & 0xffffffff);
12581: *(UINT32 *)(buffer + 0x18) = (UINT32)((status.st_mtime >> 32) & 0xffffffff);
12582: *(UINT32 *)(buffer + 0x1c) = serial_number;
12583: *(UINT32 *)(buffer + 0x20) = (UINT32)((status.st_size >> 32) & 0xffffffff);
12584: *(UINT32 *)(buffer + 0x24) = (UINT32)(status.st_size & 0xffffffff);
12585: *(UINT32 *)(buffer + 0x28) = status.st_nlink;
1.1.1.14 root 12586: // this is dummy id and it will be changed when it is reopened...
1.1 root 12587: *(UINT32 *)(buffer + 0x2c) = 0;
1.1.1.20 root 12588: *(UINT32 *)(buffer + 0x30) = file_handler[fd].id;
1.1 root 12589: } else {
12590: REG16(AX) = errno;
1.1.1.3 root 12591: m_CF = 1;
1.1 root 12592: }
12593: } else {
12594: REG16(AX) = 0x06;
1.1.1.3 root 12595: m_CF = 1;
1.1 root 12596: }
12597: }
12598:
12599: inline void msdos_int_21h_71a7h()
12600: {
12601: switch(REG8(BL)) {
12602: case 0x00:
1.1.1.3 root 12603: if(!FileTimeToDosDateTime((FILETIME *)(mem + SREG_BASE(DS) + REG16(SI)), ®16(DX), ®16(CX))) {
1.1 root 12604: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 12605: m_CF = 1;
1.1 root 12606: }
12607: break;
12608: case 0x01:
12609: // NOTE: we need to check BH that shows 10-millisecond untils past time in CX
1.1.1.3 root 12610: if(!DosDateTimeToFileTime(REG16(DX), REG16(CX), (FILETIME *)(mem + SREG_BASE(ES) + REG16(DI)))) {
1.1 root 12611: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 12612: m_CF = 1;
1.1 root 12613: }
12614: break;
12615: default:
1.1.1.22 root 12616: 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 12617: REG16(AX) = 0x01;
1.1.1.3 root 12618: m_CF = 1;
1.1 root 12619: break;
12620: }
12621: }
12622:
12623: inline void msdos_int_21h_71a8h()
12624: {
12625: if(REG8(DH) == 0) {
12626: char tmp[MAX_PATH], fcb[MAX_PATH];
1.1.1.3 root 12627: strcpy(tmp, msdos_short_path((char *)(mem + SREG_BASE(DS) + REG16(SI))));
1.1 root 12628: memset(fcb, 0x20, sizeof(fcb));
12629: int len = strlen(tmp);
1.1.1.21 root 12630: for(int i = 0, pos = 0; i < len; i++) {
1.1 root 12631: if(tmp[i] == '.') {
12632: pos = 8;
12633: } else {
12634: if(msdos_lead_byte_check(tmp[i])) {
12635: fcb[pos++] = tmp[i++];
12636: }
12637: fcb[pos++] = tmp[i];
12638: }
12639: }
1.1.1.3 root 12640: memcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), fcb, 11);
1.1 root 12641: } else {
1.1.1.3 root 12642: strcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), msdos_short_path((char *)(mem + SREG_BASE(DS) + REG16(SI))));
1.1 root 12643: }
12644: }
12645:
1.1.1.22 root 12646: inline void msdos_int_21h_71aah()
12647: {
12648: char drv[] = "A:", path[MAX_PATH];
12649: char *hoge=(char *)(mem + SREG_BASE(DS) + REG16(DX));
12650:
12651: if(REG8(BL) == 0) {
12652: drv[0] = 'A' + _getdrive() - 1;
12653: } else {
12654: drv[0] = 'A' + REG8(BL) - 1;
12655: }
12656: switch(REG8(BH)) {
12657: case 0x00:
1.1.1.44 root 12658: if(msdos_is_valid_drive((REG8(BL) ? REG8(BL) : _getdrive()) - 1)) {
12659: REG16(AX) = 0x0f; // invalid drive
12660: m_CF = 1;
12661: } else if(DefineDosDevice(0, drv, (char *)(mem + SREG_BASE(DS) + REG16(DX))) == 0) {
12662: REG16(AX) = 0x03; // path not found
1.1.1.22 root 12663: m_CF = 1;
12664: }
12665: break;
12666: case 0x01:
1.1.1.44 root 12667: if(!msdos_is_valid_drive((REG8(BL) ? REG8(BL) : _getdrive()) - 1)) {
12668: REG16(AX) = 0x0f; // invalid drive
12669: m_CF = 1;
12670: } else if(DefineDosDevice(DDD_REMOVE_DEFINITION, drv, NULL) == 0) {
1.1.1.22 root 12671: REG16(AX) = 0x0f; // invalid drive
12672: m_CF = 1;
12673: }
12674: break;
12675: case 0x02:
1.1.1.44 root 12676: if(!msdos_is_valid_drive((REG8(BL) ? REG8(BL) : _getdrive()) - 1)) {
12677: REG16(AX) = 0x0f; // invalid drive
12678: m_CF = 1;
12679: } else if(QueryDosDevice(drv, path, MAX_PATH) == 0) {
1.1.1.22 root 12680: REG16(AX) = 0x0f; // invalid drive
12681: m_CF = 1;
12682: } else if(strncmp(path, "\\??\\", 4) != 0) {
12683: REG16(AX) = 0x0f; // invalid drive
12684: m_CF = 1;
12685: } else {
12686: strcpy((char *)(mem + SREG_BASE(DS) + REG16(DX)), path + 4);
12687: }
12688: break;
12689: default:
12690: 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));
12691: REG16(AX) = 0x01;
12692: m_CF = 1;
12693: break;
12694: }
12695: }
12696:
1.1.1.14 root 12697: inline void msdos_int_21h_7300h()
12698: {
1.1.1.44 root 12699: REG8(AL) = REG8(CL);
12700: REG8(AH) = 0;
1.1.1.14 root 12701: }
12702:
12703: inline void msdos_int_21h_7302h()
12704: {
12705: int drive_num = (REG8(DL) == 0) ? (_getdrive() - 1) : (REG8(DL) - 1);
12706: UINT16 seg, ofs;
12707:
12708: if(REG16(CX) < 0x3f) {
12709: REG8(AL) = 0x18;
12710: m_CF = 1;
12711: } else if(!msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
12712: REG8(AL) = 0xff;
12713: m_CF = 1;
12714: } else {
12715: memcpy(mem + SREG_BASE(ES) + REG16(DI) + 2, mem + (seg << 4) + ofs, sizeof(dpb_t));
12716: }
12717: }
12718:
1.1 root 12719: inline void msdos_int_21h_7303h()
12720: {
1.1.1.3 root 12721: char *path = (char *)(mem + SREG_BASE(DS) + REG16(DX));
12722: ext_space_info_t *info = (ext_space_info_t *)(mem + SREG_BASE(ES) + REG16(DI));
1.1 root 12723: DWORD sectors_per_cluster, bytes_per_sector, free_clusters, total_clusters;
12724:
12725: if(GetDiskFreeSpace(path, §ors_per_cluster, &bytes_per_sector, &free_clusters, &total_clusters)) {
12726: info->size_of_structure = sizeof(ext_space_info_t);
12727: info->structure_version = 0;
12728: info->sectors_per_cluster = sectors_per_cluster;
12729: info->bytes_per_sector = bytes_per_sector;
12730: info->available_clusters_on_drive = free_clusters;
12731: info->total_clusters_on_drive = total_clusters;
12732: info->available_sectors_on_drive = sectors_per_cluster * free_clusters;
12733: info->total_sectors_on_drive = sectors_per_cluster * total_clusters;
12734: info->available_allocation_units = free_clusters; // ???
12735: info->total_allocation_units = total_clusters; // ???
12736: } else {
12737: REG16(AX) = errno;
1.1.1.3 root 12738: m_CF = 1;
1.1 root 12739: }
12740: }
12741:
1.1.1.30 root 12742: inline void msdos_int_21h_dbh()
12743: {
12744: // Novell NetWare - Workstation - Get Number of Local Drives
12745: dos_info_t *dos_info = (dos_info_t *)(mem + DOS_INFO_TOP);
12746: REG8(AL) = dos_info->last_drive;
12747: }
12748:
12749: inline void msdos_int_21h_dch()
12750: {
12751: // Novell NetWare - Connection Services - Get Connection Number
12752: REG8(AL) = 0x00;
12753: }
12754:
1.1.1.32 root 12755: inline void msdos_int_24h()
12756: {
12757: const char *message = NULL;
12758: int key = 0;
12759:
12760: for(int i = 0; i < array_length(critical_error_table); i++) {
12761: if(critical_error_table[i].code == (REG16(DI) & 0xff) || critical_error_table[i].code == (UINT16)-1) {
12762: if(active_code_page == 932) {
12763: message = critical_error_table[i].message_japanese;
12764: }
12765: if(message == NULL) {
12766: message = critical_error_table[i].message_english;
12767: }
12768: *(UINT8 *)(mem + WORK_TOP) = strlen(message);
12769: strcpy((char *)(mem + WORK_TOP + 1), message);
12770:
12771: SREG(ES) = WORK_TOP >> 4;
12772: i386_load_segment_descriptor(ES);
12773: REG16(DI) = 0x0000;
12774: break;
12775: }
12776: }
12777: fprintf(stderr, "\n%s", message);
12778: if(!(REG8(AH) & 0x80)) {
12779: if(REG8(AH) & 0x01) {
12780: fprintf(stderr, " %s %c", (active_code_page == 932) ? "�������ݒ� �h���C�u" : "writing drive", 'A' + REG8(AL));
12781: } else {
12782: fprintf(stderr, " %s %c", (active_code_page == 932) ? "�ǂݎ�蒆 �h���C�u" : "reading drive", 'A' + REG8(AL));
12783: }
12784: }
12785: fprintf(stderr, "\n");
12786:
1.1.1.33 root 12787: {
1.1.1.32 root 12788: fprintf(stderr, "%s", (active_code_page == 932) ? "���~ (A)" : "Abort");
1.1.1.33 root 12789: }
1.1.1.32 root 12790: if(REG8(AH) & 0x10) {
12791: fprintf(stderr, ", %s", (active_code_page == 932) ? "���s (R)" : "Retry");
12792: }
12793: if(REG8(AH) & 0x20) {
12794: fprintf(stderr, ", %s", (active_code_page == 932) ? "���� (I)" : "Ignore");
12795: }
12796: if(REG8(AH) & 0x08) {
12797: fprintf(stderr, ", %s", (active_code_page == 932) ? "���s (F)" : "Fail");
12798: }
12799: fprintf(stderr, "? ");
12800:
12801: while(1) {
12802: while(!_kbhit()) {
12803: Sleep(10);
12804: }
12805: key = _getch();
12806:
12807: if(key == 'I' || key == 'i') {
12808: if(REG8(AH) & 0x20) {
12809: REG8(AL) = 0;
12810: break;
12811: }
12812: } else if(key == 'R' || key == 'r') {
12813: if(REG8(AH) & 0x10) {
12814: REG8(AL) = 1;
12815: break;
12816: }
12817: } else if(key == 'A' || key == 'a') {
12818: REG8(AL) = 2;
12819: break;
12820: } else if(key == 'F' || key == 'f') {
12821: if(REG8(AH) & 0x08) {
12822: REG8(AL) = 3;
12823: break;
12824: }
12825: }
12826: }
12827: fprintf(stderr, "%c\n", key);
12828: }
12829:
1.1 root 12830: inline void msdos_int_25h()
12831: {
12832: UINT16 seg, ofs;
12833: DWORD dwSize;
12834:
1.1.1.3 root 12835: #if defined(HAS_I386)
12836: I386OP(pushf)();
12837: #else
12838: PREFIX86(_pushf());
12839: #endif
1.1 root 12840:
12841: if(!(REG8(AL) < 26)) {
12842: REG8(AL) = 0x01; // unit unknown
1.1.1.3 root 12843: m_CF = 1;
1.1 root 12844: } else if(!msdos_drive_param_block_update(REG8(AL), &seg, &ofs, 0)) {
12845: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 12846: m_CF = 1;
1.1 root 12847: } else {
12848: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
12849: char dev[64];
12850: sprintf(dev, "\\\\.\\%c:", 'A' + REG8(AL));
12851:
12852: HANDLE hFile = CreateFile(dev, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
12853: if(hFile == INVALID_HANDLE_VALUE) {
12854: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 12855: m_CF = 1;
1.1 root 12856: } else {
1.1.1.19 root 12857: UINT32 top_sector = REG16(DX);
12858: UINT16 sector_num = REG16(CX);
12859: UINT32 buffer_addr = SREG_BASE(DS) + REG16(BX);
12860:
12861: if(sector_num == 0xffff) {
12862: top_sector = *(UINT32 *)(mem + buffer_addr + 0);
12863: sector_num = *(UINT16 *)(mem + buffer_addr + 4);
12864: UINT16 ofs = *(UINT16 *)(mem + buffer_addr + 6);
12865: UINT16 seg = *(UINT16 *)(mem + buffer_addr + 8);
12866: buffer_addr = (seg << 4) + ofs;
12867: }
12868: // if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
12869: // REG8(AL) = 0x02; // drive not ready
12870: // m_CF = 1;
12871: // } else
12872: if(SetFilePointer(hFile, top_sector * dpb->bytes_per_sector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
1.1 root 12873: REG8(AL) = 0x08; // sector not found
1.1.1.3 root 12874: m_CF = 1;
1.1.1.19 root 12875: } else if(ReadFile(hFile, mem + buffer_addr, sector_num * dpb->bytes_per_sector, &dwSize, NULL) == 0) {
1.1 root 12876: REG8(AL) = 0x0b; // read error
1.1.1.3 root 12877: m_CF = 1;
1.1 root 12878: }
12879: CloseHandle(hFile);
12880: }
12881: }
12882: }
12883:
12884: inline void msdos_int_26h()
12885: {
1.1.1.42 root 12886: // this operation may cause serious damage for drives, so support only floppy disk...
1.1 root 12887: UINT16 seg, ofs;
12888: DWORD dwSize;
12889:
1.1.1.3 root 12890: #if defined(HAS_I386)
12891: I386OP(pushf)();
12892: #else
12893: PREFIX86(_pushf());
12894: #endif
1.1 root 12895:
12896: if(!(REG8(AL) < 26)) {
12897: REG8(AL) = 0x01; // unit unknown
1.1.1.3 root 12898: m_CF = 1;
1.1 root 12899: } else if(!msdos_drive_param_block_update(REG8(AL), &seg, &ofs, 0)) {
12900: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 12901: m_CF = 1;
1.1 root 12902: } else {
12903: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
12904: char dev[64];
12905: sprintf(dev, "\\\\.\\%c:", 'A' + REG8(AL));
12906:
12907: if(dpb->media_type == 0xf8) {
12908: // this drive is not a floppy
1.1.1.6 root 12909: // if(!(((dos_info_t *)(mem + DOS_INFO_TOP))->dos_flag & 0x40)) {
12910: // fatalerror("This application tried the absolute disk write to drive %c:\n", 'A' + REG8(AL));
12911: // }
1.1 root 12912: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 12913: m_CF = 1;
1.1 root 12914: } else {
12915: HANDLE hFile = CreateFile(dev, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
12916: if(hFile == INVALID_HANDLE_VALUE) {
12917: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 12918: m_CF = 1;
1.1 root 12919: } else {
1.1.1.19 root 12920: UINT32 top_sector = REG16(DX);
12921: UINT16 sector_num = REG16(CX);
12922: UINT32 buffer_addr = SREG_BASE(DS) + REG16(BX);
12923:
12924: if(sector_num == 0xffff) {
12925: top_sector = *(UINT32 *)(mem + buffer_addr + 0);
12926: sector_num = *(UINT16 *)(mem + buffer_addr + 4);
12927: UINT16 ofs = *(UINT16 *)(mem + buffer_addr + 6);
12928: UINT16 seg = *(UINT16 *)(mem + buffer_addr + 8);
12929: buffer_addr = (seg << 4) + ofs;
12930: }
1.1 root 12931: if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
12932: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 12933: m_CF = 1;
1.1.1.19 root 12934: } else if(SetFilePointer(hFile, top_sector * dpb->bytes_per_sector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
1.1 root 12935: REG8(AL) = 0x08; // sector not found
1.1.1.3 root 12936: m_CF = 1;
1.1.1.19 root 12937: } else if(WriteFile(hFile, mem + buffer_addr, sector_num * dpb->bytes_per_sector, &dwSize, NULL) == 0) {
1.1 root 12938: REG8(AL) = 0x0a; // write error
1.1.1.3 root 12939: m_CF = 1;
1.1 root 12940: }
12941: CloseHandle(hFile);
12942: }
12943: }
12944: }
12945: }
12946:
12947: inline void msdos_int_27h()
12948: {
1.1.1.29 root 12949: int paragraphs = (min(REG16(DX), 0xfff0) + 15) >> 4;
12950: try {
12951: msdos_mem_realloc(SREG(CS), paragraphs, NULL);
12952: } catch(...) {
12953: // recover the broken mcb
12954: int mcb_seg = SREG(CS) - 1;
12955: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1.1.33 root 12956:
1.1.1.29 root 12957: if(mcb_seg < (MEMORY_END >> 4)) {
1.1.1.33 root 12958: mcb->mz = 'M';
12959: mcb->paragraphs = (MEMORY_END >> 4) - mcb_seg - 2;
12960:
1.1.1.29 root 12961: if(((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked & 0x01) {
1.1.1.39 root 12962: msdos_mcb_create((MEMORY_END >> 4) - 1, 'M', PSP_SYSTEM, (UMB_TOP >> 4) - (MEMORY_END >> 4), "SC");
1.1.1.29 root 12963: } else {
1.1.1.39 root 12964: msdos_mcb_create((MEMORY_END >> 4) - 1, 'Z', PSP_SYSTEM, 0, "SC");
1.1.1.29 root 12965: }
12966: } else {
12967: mcb->mz = 'Z';
1.1.1.30 root 12968: mcb->paragraphs = (UMB_END >> 4) - mcb_seg - 1;
1.1.1.29 root 12969: }
12970: msdos_mem_realloc(SREG(CS), paragraphs, NULL);
12971: }
1.1.1.3 root 12972: msdos_process_terminate(SREG(CS), retval | 0x300, 0);
1.1 root 12973: }
12974:
12975: inline void msdos_int_29h()
12976: {
1.1.1.14 root 12977: #if 1
12978: // need to check escape sequences
1.1 root 12979: msdos_putch(REG8(AL));
1.1.1.14 root 12980: #else
12981: DWORD num;
12982: vram_flush();
1.1.1.23 root 12983: WriteConsole(GetStdHandle(STD_OUTPUT_HANDLE), ®8(AL), 1, &num, NULL);
1.1.1.14 root 12984: cursor_moved = true;
12985: #endif
1.1 root 12986: }
12987:
12988: inline void msdos_int_2eh()
12989: {
12990: char tmp[MAX_PATH], command[MAX_PATH], opt[MAX_PATH];
12991: memset(tmp, 0, sizeof(tmp));
1.1.1.3 root 12992: strcpy(tmp, (char *)(mem + SREG_BASE(DS) + REG16(SI)));
1.1 root 12993: char *token = my_strtok(tmp, " ");
12994: strcpy(command, token);
12995: strcpy(opt, token + strlen(token) + 1);
12996:
12997: param_block_t *param = (param_block_t *)(mem + WORK_TOP);
12998: param->env_seg = 0;
12999: param->cmd_line.w.l = 44;
13000: param->cmd_line.w.h = (WORK_TOP >> 4);
13001: param->fcb1.w.l = 24;
13002: param->fcb1.w.h = (WORK_TOP >> 4);
13003: param->fcb2.w.l = 24;
13004: param->fcb2.w.h = (WORK_TOP >> 4);
13005:
13006: memset(mem + WORK_TOP + 24, 0x20, 20);
13007:
13008: cmd_line_t *cmd_line = (cmd_line_t *)(mem + WORK_TOP + 44);
13009: cmd_line->len = strlen(opt);
13010: strcpy(cmd_line->cmd, opt);
13011: cmd_line->cmd[cmd_line->len] = 0x0d;
13012:
1.1.1.28 root 13013: try {
13014: if(msdos_process_exec(command, param, 0)) {
13015: REG16(AX) = 0xffff; // error before processing command
13016: } else {
13017: // set flag to set retval to ax when the started process is terminated
13018: process_t *process = msdos_process_info_get(current_psp);
13019: process->called_by_int2eh = true;
13020: }
13021: } catch(...) {
13022: REG16(AX) = 0xffff; // error before processing command
13023: }
1.1 root 13024: }
13025:
1.1.1.29 root 13026: inline void msdos_int_2fh_05h()
13027: {
13028: switch(REG8(AL)) {
13029: case 0x00:
1.1.1.32 root 13030: REG8(AL) = 0xff;
13031: break;
13032: case 0x01:
13033: case 0x02:
13034: for(int i = 0; i < array_length(standard_error_table); i++) {
13035: if(standard_error_table[i].code == REG16(BX) || standard_error_table[i].code == (UINT16)-1) {
13036: const char *message = NULL;
13037: if(active_code_page == 932) {
13038: message = standard_error_table[i].message_japanese;
13039: }
13040: if(message == NULL) {
13041: message = standard_error_table[i].message_english;
13042: }
13043: strcpy((char *)(mem + WORK_TOP), message);
13044:
13045: SREG(ES) = WORK_TOP >> 4;
13046: i386_load_segment_descriptor(ES);
13047: REG16(DI) = 0x0000;
13048: REG8(AL) = 0x01;
13049: break;
13050: }
13051: }
1.1.1.29 root 13052: break;
13053: default:
13054: 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));
13055: m_CF = 1;
13056: }
13057: }
13058:
1.1.1.44 root 13059: inline void msdos_int_2fh_06h()
13060: {
13061: switch(REG8(AL)) {
13062: case 0x00:
13063: // ASSIGN is not installed
13064: break;
13065: case 0x01:
13066: // this call is available from within MIRROR.COM even if ASSIGN is not installed
13067: REG16(AX) = 0x01;
13068: m_CF = 1;
13069: break;
13070: default:
13071: 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));
13072: REG16(AX) = 0x01;
13073: m_CF = 1;
13074: break;
13075: }
13076: }
13077:
1.1.1.22 root 13078: inline void msdos_int_2fh_11h()
13079: {
13080: switch(REG8(AL)) {
13081: case 0x00:
1.1.1.29 root 13082: if(i386_read_stack() == 0xdada) {
13083: // MSCDEX is not installed
13084: // REG8(AL) = 0x00;
13085: } else {
13086: // Network Redirector is not installed
13087: // REG8(AL) = 0x00;
13088: }
1.1.1.22 root 13089: break;
13090: default:
1.1.1.43 root 13091: // 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 13092: REG16(AX) = 0x49; // network software not installed
1.1.1.22 root 13093: m_CF = 1;
13094: break;
13095: }
13096: }
13097:
1.1.1.21 root 13098: inline void msdos_int_2fh_12h()
13099: {
13100: switch(REG8(AL)) {
1.1.1.22 root 13101: case 0x00:
1.1.1.29 root 13102: // DOS 3.0+ internal functions are installed
1.1.1.22 root 13103: REG8(AL) = 0xff;
13104: break;
1.1.1.29 root 13105: // case 0x01: // DOS 3.0+ internal - Close Current File
13106: case 0x02:
13107: {
13108: UINT16 stack = i386_read_stack();
13109: REG16(BX) = *(UINT16 *)(mem + 4 * stack + 0);
13110: SREG(ES) = *(UINT16 *)(mem + 4 * stack + 2);
13111: i386_load_segment_descriptor(ES);
13112: }
13113: break;
1.1.1.30 root 13114: case 0x03:
13115: SREG(DS) = (DEVICE_TOP >> 4);
13116: i386_load_segment_descriptor(DS);
13117: break;
1.1.1.29 root 13118: case 0x04:
13119: {
13120: UINT16 stack = i386_read_stack();
13121: REG8(AL) = (stack == '/') ? '\\' : stack;
13122: #if defined(HAS_I386)
13123: m_ZF = (REG8(AL) == '\\');
13124: #else
13125: m_ZeroVal = (REG8(AL) != '\\');
13126: #endif
13127: }
13128: break;
13129: case 0x05:
13130: msdos_putch(i386_read_stack());
13131: break;
13132: // case 0x06: // DOS 3.0+ internal - Invole Critical Error
13133: // case 0x07: // DOS 3.0+ internal - Make Disk Buffer Most Recentry Used
13134: // case 0x08: // DOS 3.0+ internal - Decrement SFT Reference Count
13135: // case 0x09: // DOS 3.0+ internal - Flush and FREE Disk Buffer
13136: // case 0x0a: // DOS 3.0+ internal - Perform Critical Error Interrupt
13137: // case 0x0b: // DOS 3.0+ internal - Signal Sharing Violation to User
13138: // case 0x0c: // DOS 3.0+ internal - Open Device and Set SFT Owner/Mode
13139: case 0x0d:
13140: {
13141: SYSTEMTIME time;
13142: FILETIME file_time;
13143: WORD dos_date, dos_time;
13144: GetLocalTime(&time);
13145: SystemTimeToFileTime(&time, &file_time);
13146: FileTimeToDosDateTime(&file_time, &dos_date, &dos_time);
13147: REG16(AX) = dos_date;
13148: REG16(DX) = dos_time;
13149: }
13150: break;
13151: // case 0x0e: // DOS 3.0+ internal - Mark All Disk Buffers Unreferenced
13152: // case 0x0f: // DOS 3.0+ internal - Make Buffer Most Recentry Used
13153: // case 0x10: // DOS 3.0+ internal - Find Unreferenced Disk Buffer
13154: case 0x11:
13155: {
13156: char path[MAX_PATH], *p;
13157: strcpy(path, (char *)(mem + SREG_BASE(DS) + REG16(SI)));
13158: my_strupr(path);
13159: while((p = my_strchr(path, '/')) != NULL) {
13160: *p = '\\';
13161: }
13162: strcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), path);
13163: }
13164: break;
13165: case 0x12:
13166: REG16(CX) = strlen((char *)(mem + SREG_BASE(ES) + REG16(DI)));
13167: break;
13168: case 0x13:
13169: {
13170: char tmp[2] = {0};
13171: tmp[0] = i386_read_stack();
13172: my_strupr(tmp);
13173: REG8(AL) = tmp[0];
13174: }
13175: break;
13176: case 0x14:
13177: #if defined(HAS_I386)
13178: m_ZF = (SREG_BASE(DS) + REG16(SI) == SREG_BASE(ES) + REG16(DI));
13179: #else
13180: m_ZeroVal = (SREG_BASE(DS) + REG16(SI) != SREG_BASE(ES) + REG16(DI));
13181: #endif
13182: m_CF = (SREG_BASE(DS) + REG16(SI) != SREG_BASE(ES) + REG16(DI));
13183: break;
13184: // case 0x15: // DOS 3.0+ internal - Flush Buffer
1.1.1.21 root 13185: case 0x16:
13186: if(REG16(BX) < 20) {
13187: SREG(ES) = SFT_TOP >> 4;
13188: i386_load_segment_descriptor(ES);
13189: REG16(DI) = 6 + 0x3b * REG16(BX);
13190:
13191: // update system file table
13192: UINT8* sft = mem + SFT_TOP + 6 + 0x3b * REG16(BX);
13193: if(file_handler[REG16(BX)].valid) {
13194: int count = 0;
13195: for(int i = 0; i < 20; i++) {
13196: if(msdos_psp_get_file_table(i, current_psp) == REG16(BX)) {
13197: count++;
13198: }
13199: }
13200: *(UINT16 *)(sft + 0x00) = count ? count : 0xffff;
13201: *(UINT32 *)(sft + 0x15) = _tell(REG16(BX));
13202: _lseek(REG16(BX), 0, SEEK_END);
13203: *(UINT32 *)(sft + 0x11) = _tell(REG16(BX));
13204: _lseek(REG16(BX), *(UINT32 *)(sft + 0x15), SEEK_SET);
13205: } else {
13206: memset(sft, 0, 0x3b);
13207: }
13208: } else {
13209: REG16(AX) = 0x06;
13210: m_CF = 1;
13211: }
13212: break;
1.1.1.29 root 13213: // case 0x17: // DOS 3.0+ internal - Get Current Directory Structure for Drive
13214: // case 0x18: // DOS 3.0+ internal - Get Caller's Registers
13215: // case 0x19: // DOS 3.0+ internal - Set Drive???
13216: case 0x1a:
13217: {
13218: char *path = (char *)(mem + SREG_BASE(DS) + REG16(SI)), full[MAX_PATH];
13219: if(path[1] == ':') {
13220: if(path[0] >= 'a' && path[0] <= 'z') {
13221: REG8(AL) = path[0] - 'a' + 1;
13222: } else if(path[0] >= 'A' && path[0] <= 'Z') {
13223: REG8(AL) = path[0] - 'A' + 1;
13224: } else {
13225: REG8(AL) = 0xff; // invalid
13226: }
13227: strcpy(full, path);
13228: strcpy(path, full + 2);
13229: } else if(GetFullPathName(path, MAX_PATH, full, NULL) != 0 && full[1] == ':') {
13230: if(full[0] >= 'a' && full[0] <= 'z') {
13231: REG8(AL) = full[0] - 'a' + 1;
13232: } else if(full[0] >= 'A' && full[0] <= 'Z') {
13233: REG8(AL) = full[0] - 'A' + 1;
13234: } else {
13235: REG8(AL) = 0xff; // invalid
13236: }
13237: } else {
13238: REG8(AL) = 0x00; // default
13239: }
13240: }
13241: break;
13242: case 0x1b:
13243: {
13244: int year = REG16(CX) + 1980;
13245: REG8(AL) = ((year % 4) == 0 && (year % 100) != 0 && (year % 400) == 0) ? 29 : 28;
13246: }
13247: break;
13248: // case 0x1c: // DOS 3.0+ internal - Check Sum Memory
13249: // case 0x1d: // DOS 3.0+ internal - Sum Memory
13250: case 0x1e:
13251: {
13252: char *path_1st = (char *)(mem + SREG_BASE(DS) + REG16(SI)), full_1st[MAX_PATH];
13253: char *path_2nd = (char *)(mem + SREG_BASE(ES) + REG16(DI)), full_2nd[MAX_PATH];
13254: if(GetFullPathName(path_1st, MAX_PATH, full_1st, NULL) != 0 && GetFullPathName(path_2nd, MAX_PATH, full_2nd, NULL) != 0) {
13255: #if defined(HAS_I386)
13256: m_ZF = (strcmp(full_1st, full_2nd) == 0);
13257: #else
13258: m_ZeroVal = (strcmp(full_1st, full_2nd) != 0);
13259: #endif
13260: } else {
13261: #if defined(HAS_I386)
13262: m_ZF = (strcmp(path_1st, path_2nd) == 0);
13263: #else
13264: m_ZeroVal = (strcmp(path_1st, path_2nd) != 0);
13265: #endif
13266: }
13267: }
13268: break;
13269: // case 0x1f: // DOS 3.0+ internal - Build Current Directory Structure
1.1.1.21 root 13270: case 0x20:
13271: {
13272: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
13273:
13274: if(fd < 20) {
13275: SREG(ES) = current_psp;
13276: i386_load_segment_descriptor(ES);
13277: REG16(DI) = offsetof(psp_t, file_table) + fd;
13278: } else {
13279: REG16(AX) = 0x06;
13280: m_CF = 1;
13281: }
13282: }
13283: break;
1.1.1.29 root 13284: case 0x21:
13285: msdos_int_21h_60h(0);
13286: break;
13287: // case 0x22: // DOS 3.0+ internal - Set Extended Error Info
13288: // case 0x23: // DOS 3.0+ internal - Check If Character Device
13289: // case 0x24: // DOS 3.0+ internal - Sharing Retry Delay
13290: case 0x25:
13291: REG16(CX) = strlen((char *)(mem + SREG_BASE(DS) + REG16(SI)));
13292: break;
13293: case 0x26:
13294: REG8(AL) = REG8(CL);
13295: msdos_int_21h_3dh();
13296: break;
13297: case 0x27:
13298: msdos_int_21h_3eh();
13299: break;
13300: case 0x28:
13301: REG16(AX) = REG16(BP);
13302: msdos_int_21h_42h();
13303: break;
13304: case 0x29:
13305: msdos_int_21h_3fh();
13306: break;
13307: // case 0x2a: // DOS 3.0+ internal - Set Fast Open Entry Point
13308: case 0x2b:
13309: REG16(AX) = REG16(BP);
13310: msdos_int_21h_44h();
13311: break;
13312: case 0x2c:
13313: REG16(BX) = DEVICE_TOP >> 4;
13314: REG16(AX) = 22;
13315: break;
13316: case 0x2d:
13317: {
13318: sda_t *sda = (sda_t *)(mem + SDA_TOP);
13319: REG16(AX) = sda->extended_error_code;
13320: }
13321: break;
13322: case 0x2e:
13323: if(REG8(DL) == 0x00 || REG8(DL) == 0x02 || REG8(DL) == 0x04 || REG8(DL) == 0x06) {
1.1.1.32 root 13324: SREG(ES) = 0x0001;
13325: i386_load_segment_descriptor(ES);
13326: REG16(DI) = 0x00;
13327: } else if(REG8(DL) == 0x08) {
13328: // dummy parameter error message read routine is at fffd:0010
13329: SREG(ES) = 0xfffd;
1.1.1.22 root 13330: i386_load_segment_descriptor(ES);
1.1.1.32 root 13331: REG16(DI) = 0x0010;
1.1.1.22 root 13332: }
13333: break;
1.1.1.29 root 13334: case 0x2f:
13335: if(REG16(DX) != 0) {
1.1.1.30 root 13336: dos_major_version = REG8(DL);
13337: dos_minor_version = REG8(DH);
1.1.1.29 root 13338: } else {
13339: REG8(DL) = 7;
13340: REG8(DH) = 10;
13341: }
13342: break;
13343: // case 0x30: // Windows95 - Find SFT Entry in Internal File Tables
13344: // case 0x31: // Windows95 - Set/Clear "Report Windows to DOS Programs" Flag
1.1.1.22 root 13345: default:
13346: 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));
13347: REG16(AX) = 0x01;
13348: m_CF = 1;
13349: break;
13350: }
13351: }
13352:
1.1.1.30 root 13353: inline void msdos_int_2fh_13h()
13354: {
13355: static UINT16 prevDS = 0, prevDX = 0;
13356: static UINT16 prevES = 0, prevBX = 0;
13357: UINT16 tmp;
13358:
13359: tmp = SREG(DS); SREG(DS) = prevDS; prevDS = tmp;
13360: i386_load_segment_descriptor(DS);
13361: tmp = REG16(DX); REG16(DX) = prevDX; prevDX = tmp;
13362:
13363: tmp = SREG(ES); SREG(ES) = prevES; prevES = tmp;
13364: i386_load_segment_descriptor(ES);
13365: tmp = REG16(BX); REG16(BX) = prevBX; prevBX = tmp;
13366: }
13367:
1.1.1.22 root 13368: inline void msdos_int_2fh_14h()
13369: {
13370: switch(REG8(AL)) {
13371: case 0x00:
1.1.1.29 root 13372: // NLSFUNC.COM is installed
13373: REG8(AL) = 0xff;
1.1.1.25 root 13374: break;
13375: case 0x01:
13376: case 0x03:
13377: REG8(AL) = 0x00;
13378: active_code_page = REG16(BX);
13379: msdos_nls_tables_update();
13380: break;
13381: case 0x02:
13382: REG8(AL) = get_extended_country_info(REG16(BP));
13383: break;
13384: case 0x04:
1.1.1.42 root 13385: for(int i = 0;; i++) {
13386: if(country_table[i].code == REG16(DX)) {
13387: get_country_info((country_info_t *)(mem + SREG_BASE(ES) + REG16(DI)), country_table[i].usPrimaryLanguage, country_table[i].usSubLanguage);
13388: break;
13389: } else if(country_table[i].code == -1) {
13390: get_country_info((country_info_t *)(mem + SREG_BASE(ES) + REG16(DI)));
13391: break;
13392: }
13393: }
1.1.1.25 root 13394: REG8(AL) = 0x00;
1.1.1.22 root 13395: break;
13396: default:
13397: 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));
13398: REG16(AX) = 0x01;
13399: m_CF = 1;
13400: break;
13401: }
13402: }
13403:
13404: inline void msdos_int_2fh_15h()
13405: {
13406: switch(REG8(AL)) {
1.1.1.29 root 13407: case 0x00: // CD-ROM - Installation Check
13408: if(REG16(BX) == 0x0000) {
1.1.1.43 root 13409: #if 0
13410: // MSCDEX is installed
13411: REG16(BX) = 0;
13412: for(int i = 0, n = 0; i < 26; i++) {
1.1.1.44 root 13413: if(msdos_is_cdrom_drive(i)) {
13414: if(REG16(BX) == 0) {
13415: REG16(CX) = i;
1.1.1.43 root 13416: }
1.1.1.44 root 13417: REG16(BX)++;
1.1.1.43 root 13418: }
13419: }
13420: #else
1.1.1.29 root 13421: // MSCDEX is not installed
13422: // REG8(AL) = 0x00;
1.1.1.43 root 13423: #endif
1.1.1.29 root 13424: } else {
13425: // GRAPHICS.COM is not installed
13426: // REG8(AL) = 0x00;
13427: }
1.1.1.22 root 13428: break;
1.1.1.43 root 13429: case 0x0b:
1.1.1.44 root 13430: // this call is available from within DOSSHELL even if MSCDEX is not installed
13431: REG16(AX) = msdos_is_cdrom_drive(REG8(CL)) ? 0x5ad8 : 0x0000;
13432: REG16(BX) = 0xadad;
1.1.1.43 root 13433: break;
13434: case 0x0d:
1.1.1.44 root 13435: for(int i = 0, n = 0; i < 26; i++) {
13436: if(msdos_is_cdrom_drive(i)) {
13437: mem[SREG_BASE(ES) + REG16(BX) + (n++)] = i;
1.1.1.43 root 13438: }
13439: }
13440: break;
1.1.1.22 root 13441: case 0xff:
1.1.1.29 root 13442: if(REG16(BX) == 0x0000) {
13443: // CORELCDX is not installed
13444: } else {
13445: 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));
13446: REG16(AX) = 0x01;
13447: m_CF = 1;
13448: }
1.1.1.22 root 13449: break;
1.1.1.21 root 13450: default:
1.1.1.22 root 13451: 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 13452: REG16(AX) = 0x01;
13453: m_CF = 1;
13454: break;
13455: }
13456: }
13457:
1.1 root 13458: inline void msdos_int_2fh_16h()
13459: {
13460: switch(REG8(AL)) {
13461: case 0x00:
1.1.1.14 root 13462: if(no_windows) {
1.1.1.29 root 13463: // neither Windows 3.x enhanced mode nor Windows/386 2.x running
13464: // REG8(AL) = 0x00;
1.1.1.14 root 13465: } else {
1.1.1.30 root 13466: REG8(AL) = win_major_version;
13467: REG8(AH) = win_minor_version;
1.1 root 13468: }
13469: break;
1.1.1.43 root 13470: case 0x05: // Windows Enhanced Mode & 286 DOSX Init Broadcast
1.1.1.30 root 13471: // from DOSBox
13472: i386_set_a20_line(1);
13473: break;
1.1.1.43 root 13474: case 0x06: // Windows Enhanced Mode & 286 DOSX exit Broadcast
13475: case 0x08: // Windows Enhanced Mode Init Complete Broadcast
13476: case 0x09: // Windows Enhanced Mode Begin Exit Broadcast
13477: break;
13478: case 0x07:
13479: // Virtual Device Call API
13480: break;
1.1.1.22 root 13481: case 0x0a:
13482: if(!no_windows) {
13483: REG16(AX) = 0x0000;
1.1.1.30 root 13484: REG8(BH) = win_major_version;
13485: REG8(BL) = win_minor_version;
1.1.1.22 root 13486: REG16(CX) = 0x0003; // enhanced
13487: }
13488: break;
1.1.1.30 root 13489: case 0x0b:
13490: // no TRS, keep ES:DI = 0000h:0000h
1.1.1.22 root 13491: case 0x0e:
13492: case 0x0f:
1.1.1.30 root 13493: case 0x10:
1.1.1.22 root 13494: case 0x11:
13495: case 0x12:
13496: case 0x13:
13497: case 0x14:
1.1.1.30 root 13498: case 0x15:
1.1.1.43 root 13499: case 0x81:
13500: case 0x82:
1.1.1.44 root 13501: case 0x84:
1.1.1.33 root 13502: case 0x86:
1.1.1.22 root 13503: case 0x87:
1.1.1.30 root 13504: case 0x89:
1.1.1.33 root 13505: case 0x8a:
1.1.1.22 root 13506: // function not supported, do not clear AX
13507: break;
1.1.1.14 root 13508: case 0x80:
13509: Sleep(10);
1.1.1.35 root 13510: REQUEST_HARDWRE_UPDATE();
1.1.1.29 root 13511: REG8(AL) = 0x00;
1.1.1.14 root 13512: break;
1.1.1.33 root 13513: case 0x83:
13514: REG16(BX) = 0x01; // system vm id
13515: break;
1.1.1.22 root 13516: case 0x8e:
13517: REG16(AX) = 0x00; // failed
13518: break;
1.1.1.20 root 13519: case 0x8f:
13520: switch(REG8(DH)) {
13521: case 0x00:
13522: case 0x02:
13523: case 0x03:
13524: REG16(AX) = 0x00;
13525: break;
13526: case 0x01:
13527: REG16(AX) = 0x168f;
13528: break;
13529: }
13530: break;
1.1 root 13531: default:
1.1.1.22 root 13532: 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));
13533: REG16(AX) = 0x01;
13534: m_CF = 1;
13535: break;
13536: }
13537: }
13538:
13539: inline void msdos_int_2fh_19h()
13540: {
13541: switch(REG8(AL)) {
13542: case 0x00:
1.1.1.29 root 13543: // SHELLB.COM is not installed
13544: // REG8(AL) = 0x00;
1.1.1.22 root 13545: break;
13546: case 0x01:
13547: case 0x02:
13548: case 0x03:
13549: case 0x04:
13550: REG16(AX) = 0x01;
13551: m_CF = 1;
13552: break;
1.1.1.29 root 13553: case 0x80:
13554: // IBM ROM-DOS v4.0 is not installed
13555: // REG8(AL) = 0x00;
13556: break;
1.1.1.22 root 13557: default:
13558: 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 13559: REG16(AX) = 0x01;
1.1.1.3 root 13560: m_CF = 1;
1.1 root 13561: break;
13562: }
13563: }
13564:
13565: inline void msdos_int_2fh_1ah()
13566: {
13567: switch(REG8(AL)) {
13568: case 0x00:
1.1.1.29 root 13569: // ANSI.SYS is installed
1.1 root 13570: REG8(AL) = 0xff;
13571: break;
13572: default:
1.1.1.22 root 13573: 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));
13574: REG16(AX) = 0x01;
13575: m_CF = 1;
13576: break;
13577: }
13578: }
13579:
1.1.1.30 root 13580: inline void msdos_int_2fh_40h()
1.1.1.22 root 13581: {
13582: switch(REG8(AL)) {
13583: case 0x00:
1.1.1.30 root 13584: // Windows 3+ - Get Virtual Device Driver (VDD) Capabilities
13585: REG8(AL) = 0x01; // does not virtualize video access
1.1.1.22 root 13586: break;
1.1.1.43 root 13587: case 0x10:
13588: // OS/2 v2.0+ - Installation Check
13589: REG16(AX) = 0x01;
13590: m_CF = 1;
13591: break;
1.1.1.22 root 13592: default:
13593: 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 13594: REG16(AX) = 0x01;
1.1.1.3 root 13595: m_CF = 1;
1.1 root 13596: break;
13597: }
13598: }
13599:
13600: inline void msdos_int_2fh_43h()
13601: {
13602: switch(REG8(AL)) {
13603: case 0x00:
1.1.1.29 root 13604: // XMS is installed ?
1.1.1.19 root 13605: #ifdef SUPPORT_XMS
13606: if(support_xms) {
13607: REG8(AL) = 0x80;
1.1.1.44 root 13608: }
13609: #endif
13610: break;
13611: case 0x08:
13612: #ifdef SUPPORT_XMS
13613: if(support_xms) {
13614: REG8(AL) = 0x43;
13615: REG8(BL) = 0x01; // IBM PC/AT
13616: REG8(BH) = 0x01; // Fast AT A20 switch time
13617: }
1.1.1.19 root 13618: #endif
13619: break;
13620: case 0x10:
13621: SREG(ES) = XMS_TOP >> 4;
13622: i386_load_segment_descriptor(ES);
1.1.1.26 root 13623: REG16(BX) = 0x15;
1.1 root 13624: break;
1.1.1.44 root 13625: case 0xe0:
13626: // DOS Protected Mode Services (DPMS) v1.0 is not installed
13627: if(REG16(BX) == 0x0000 && REG16(CX) == 0x4450 && REG16(DX) == 0x4d53) {
13628: break;
13629: }
1.1 root 13630: default:
1.1.1.22 root 13631: 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));
13632: REG16(AX) = 0x01;
13633: m_CF = 1;
13634: break;
13635: }
13636: }
13637:
13638: inline void msdos_int_2fh_46h()
13639: {
13640: switch(REG8(AL)) {
13641: case 0x80:
1.1.1.29 root 13642: // Windows v3.0 is not installed
13643: // REG8(AL) = 0x00;
1.1.1.22 root 13644: break;
13645: default:
13646: 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));
13647: REG16(AX) = 0x01;
13648: m_CF = 1;
13649: break;
13650: }
13651: }
13652:
13653: inline void msdos_int_2fh_48h()
13654: {
13655: switch(REG8(AL)) {
13656: case 0x00:
1.1.1.29 root 13657: // DOSKEY is not installed
13658: // REG8(AL) = 0x00;
1.1.1.22 root 13659: break;
13660: case 0x10:
13661: msdos_int_21h_0ah();
13662: REG16(AX) = 0x00;
13663: break;
13664: default:
13665: 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 13666: REG16(AX) = 0x01;
1.1.1.3 root 13667: m_CF = 1;
1.1 root 13668: break;
13669: }
13670: }
13671:
13672: inline void msdos_int_2fh_4ah()
13673: {
13674: switch(REG8(AL)) {
1.1.1.29 root 13675: #ifdef SUPPORT_HMA
13676: case 0x01: // DOS 5.0+ - Query Free HMA Space
13677: if(!is_hma_used_by_xms && !is_hma_used_by_int_2fh) {
13678: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
13679: // restore first free mcb in high memory area
13680: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
13681: }
13682: int offset = 0xffff;
13683: if((REG16(BX) = msdos_hma_mem_get_free(&offset)) != 0) {
13684: REG16(DI) = offset + 0x10;
13685: } else {
13686: REG16(DI) = 0xffff;
13687: }
13688: } else {
13689: // HMA is already used
13690: REG16(BX) = 0;
13691: REG16(DI) = 0xffff;
13692: }
13693: SREG(ES) = 0xffff;
13694: i386_load_segment_descriptor(ES);
13695: break;
13696: case 0x02: // DOS 5.0+ - Allocate HMA Space
13697: if(!is_hma_used_by_xms && !is_hma_used_by_int_2fh) {
13698: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
13699: // restore first free mcb in high memory area
13700: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
13701: }
13702: int size = REG16(BX), offset;
13703: if((size % 16) != 0) {
13704: size &= ~15;
13705: size += 16;
13706: }
13707: if((offset = msdos_hma_mem_alloc(size, current_psp)) != -1) {
13708: REG16(BX) = size;
13709: REG16(DI) = offset + 0x10;
13710: is_hma_used_by_int_2fh = true;
13711: } else {
13712: REG16(BX) = 0;
13713: REG16(DI) = 0xffff;
13714: }
13715: } else {
13716: // HMA is already used
13717: REG16(BX) = 0;
13718: REG16(DI) = 0xffff;
13719: }
13720: SREG(ES) = 0xffff;
13721: i386_load_segment_descriptor(ES);
13722: break;
13723: case 0x03: // Windows95 - (De)Allocate HMA Memory Block
13724: if(REG8(DL) == 0x00) {
13725: if(!is_hma_used_by_xms) {
13726: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
13727: // restore first free mcb in high memory area
13728: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
13729: is_hma_used_by_int_2fh = false;
13730: }
13731: int size = REG16(BX), offset;
13732: if((size % 16) != 0) {
13733: size &= ~15;
13734: size += 16;
13735: }
13736: if((offset = msdos_hma_mem_alloc(size, REG16(CX))) != -1) {
13737: // REG16(BX) = size;
13738: SREG(ES) = 0xffff;
13739: i386_load_segment_descriptor(ES);
13740: REG16(DI) = offset + 0x10;
13741: is_hma_used_by_int_2fh = true;
13742: } else {
13743: REG16(DI) = 0xffff;
13744: }
13745: } else {
13746: REG16(DI) = 0xffff;
13747: }
13748: } else if(REG8(DL) == 0x01) {
13749: if(!is_hma_used_by_xms) {
13750: int size = REG16(BX);
13751: if((size % 16) != 0) {
13752: size &= ~15;
13753: size += 16;
13754: }
13755: if(msdos_hma_mem_realloc(SREG_BASE(ES) + REG16(DI) - 0xffff0 - 0x10, size) != -1) {
13756: // memory block address is not changed
13757: } else {
13758: REG16(DI) = 0xffff;
13759: }
13760: } else {
13761: REG16(DI) = 0xffff;
13762: }
13763: } else if(REG8(DL) == 0x02) {
13764: if(!is_hma_used_by_xms) {
13765: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
13766: // restore first free mcb in high memory area
13767: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
13768: is_hma_used_by_int_2fh = false;
13769: } else {
13770: msdos_hma_mem_free(SREG_BASE(ES) + REG16(DI) - 0xffff0 - 0x10);
13771: if(msdos_hma_mem_get_free(NULL) == 0xffe0) {
13772: is_hma_used_by_int_2fh = false;
13773: }
13774: }
13775: }
13776: } else {
13777: 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));
13778: REG16(AX) = 0x01;
13779: m_CF = 1;
13780: }
13781: break;
13782: case 0x04: // Windows95 - Get Start of HMA Memory Chain
13783: if(!is_hma_used_by_xms) {
13784: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
13785: // restore first free mcb in high memory area
13786: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
13787: is_hma_used_by_int_2fh = false;
13788: }
13789: REG16(AX) = 0x0000;
13790: SREG(ES) = 0xffff;
13791: i386_load_segment_descriptor(ES);
13792: REG16(DI) = 0x10;
13793: }
13794: break;
13795: #else
1.1 root 13796: case 0x01:
13797: case 0x02:
1.1.1.29 root 13798: // HMA is already used
1.1.1.27 root 13799: REG16(BX) = 0x0000;
1.1.1.3 root 13800: SREG(ES) = 0xffff;
13801: i386_load_segment_descriptor(ES);
1.1 root 13802: REG16(DI) = 0xffff;
13803: break;
1.1.1.19 root 13804: case 0x03:
13805: // unable to allocate
13806: REG16(DI) = 0xffff;
13807: break;
13808: case 0x04:
13809: // function not supported, do not clear AX
13810: break;
1.1.1.29 root 13811: #endif
13812: case 0x10:
1.1.1.42 root 13813: switch(REG16(BX)) {
13814: case 0x0000:
13815: case 0x0001:
13816: case 0x0002:
13817: case 0x0003:
13818: case 0x0004:
13819: case 0x0005:
13820: case 0x0006:
13821: case 0x0007:
13822: case 0x0008:
13823: case 0x000a:
13824: case 0x1234:
13825: // SMARTDRV v4.00+ is not installed
13826: break;
13827: default:
1.1.1.29 root 13828: 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));
13829: REG16(AX) = 0x01;
13830: m_CF = 1;
1.1.1.42 root 13831: break;
1.1.1.29 root 13832: }
13833: break;
13834: case 0x11:
1.1.1.42 root 13835: switch(REG16(BX)) {
13836: case 0x0000:
13837: case 0x0001:
13838: case 0x0002:
13839: case 0x0003:
13840: case 0x0004:
13841: case 0x0005:
13842: case 0x0006:
13843: case 0x0007:
13844: case 0x0008:
13845: case 0x0009:
13846: case 0x000a:
13847: case 0x000b:
13848: case 0xfffe:
13849: case 0xffff:
1.1.1.29 root 13850: // DBLSPACE.BIN is not installed
1.1.1.42 root 13851: break;
13852: default:
13853: 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));
13854: REG16(AX) = 0x01;
13855: m_CF = 1;
13856: break;
13857: }
13858: break;
13859: case 0x12:
13860: if(REG16(CX) == 0x4d52 && REG16(DX) == 0x4349) {
13861: // Microsoft Realtime Compression Interface (MRCI) is not installed
13862: } else if(REG16(CX) == 0x5354 && REG16(DX) == 0x4143) {
13863: // Stacker 4 LZS Compression Interface (LZSAPI) is not installed
1.1.1.29 root 13864: } else {
13865: 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));
13866: REG16(AX) = 0x01;
13867: m_CF = 1;
13868: }
1.1.1.22 root 13869: break;
1.1.1.42 root 13870: case 0x13:
13871: // DBLSPACE.BIN is not installed
13872: break;
1.1.1.22 root 13873: default:
13874: 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));
13875: REG16(AX) = 0x01;
13876: m_CF = 1;
13877: break;
13878: }
13879: }
13880:
13881: inline void msdos_int_2fh_4bh()
13882: {
13883: switch(REG8(AL)) {
1.1.1.24 root 13884: case 0x01:
1.1.1.22 root 13885: case 0x02:
1.1.1.29 root 13886: // Task Switcher is not installed
1.1.1.24 root 13887: break;
13888: case 0x03:
13889: // this call is available from within DOSSHELL even if the task switcher is not installed
13890: REG16(AX) = REG16(BX) = 0x0000; // no more avaiable switcher id
1.1.1.22 root 13891: break;
1.1.1.30 root 13892: case 0x04:
13893: REG16(BX) = 0x0000; // free switcher id successfully
13894: break;
1.1.1.43 root 13895: case 0x05:
13896: REG16(BX) = 0x0000; // no instance data chain
13897: SREG(ES) = 0x0000;
13898: i386_load_segment_descriptor(ES);
13899: break;
1.1 root 13900: default:
1.1.1.22 root 13901: 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 13902: REG16(AX) = 0x01;
1.1.1.3 root 13903: m_CF = 1;
1.1 root 13904: break;
13905: }
13906: }
13907:
1.1.1.44 root 13908: inline void msdos_int_2fh_4dh()
13909: {
13910: switch(REG8(AL)) {
13911: case 0x00:
13912: // KKCFUNC is not installed ???
13913: break;
13914: default:
13915: // 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));
13916: REG16(AX) = 0x01; // invalid function
13917: m_CF = 1;
13918: break;
13919: }
13920: }
13921:
1.1 root 13922: inline void msdos_int_2fh_4fh()
13923: {
13924: switch(REG8(AL)) {
13925: case 0x00:
1.1.1.29 root 13926: // BILING is installed
1.1.1.27 root 13927: REG16(AX) = 0x0000;
13928: REG8(DL) = 0x01; // major version
13929: REG8(DH) = 0x00; // minor version
1.1 root 13930: break;
13931: case 0x01:
1.1.1.27 root 13932: REG16(AX) = 0x0000;
1.1 root 13933: REG16(BX) = active_code_page;
13934: break;
13935: default:
1.1.1.22 root 13936: 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));
13937: REG16(AX) = 0x01;
13938: m_CF = 1;
13939: break;
13940: }
13941: }
13942:
13943: inline void msdos_int_2fh_55h()
13944: {
13945: switch(REG8(AL)) {
13946: case 0x00:
13947: case 0x01:
13948: // 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));
13949: break;
13950: default:
13951: 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 13952: REG16(AX) = 0x01;
1.1.1.3 root 13953: m_CF = 1;
1.1 root 13954: break;
13955: }
13956: }
13957:
1.1.1.44 root 13958: inline void msdos_int_2fh_56h()
13959: {
13960: switch(REG8(AL)) {
13961: case 0x00:
13962: // INTERLNK is not installed
13963: break;
13964: case 0x01:
13965: // this call is available from within SCANDISK even if INTERLNK is not installed
13966: // if(msdos_is_remote_drive(REG8(BH))) {
13967: // REG8(AL) = 0x00;
13968: // }
13969: break;
13970: default:
13971: unimplemented_2fh("int %02Xh (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", 0x2f, REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
13972: REG16(AX) = 0x01;
13973: m_CF = 1;
13974: break;
13975: }
13976: }
13977:
1.1.1.24 root 13978: inline void msdos_int_2fh_adh()
13979: {
13980: switch(REG8(AL)) {
13981: case 0x00:
1.1.1.29 root 13982: // DISPLAY.SYS is installed
1.1.1.24 root 13983: REG8(AL) = 0xff;
13984: REG16(BX) = 0x100; // ???
13985: break;
13986: case 0x01:
13987: active_code_page = REG16(BX);
13988: msdos_nls_tables_update();
13989: REG16(AX) = 0x01;
13990: break;
13991: case 0x02:
13992: REG16(BX) = active_code_page;
13993: break;
13994: case 0x03:
13995: // FIXME
13996: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 1;
13997: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2) = 3;
13998: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4) = 1;
13999: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 6) = active_code_page;
14000: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 8) = active_code_page;
14001: break;
14002: case 0x80:
14003: break; // keyb.com is not installed
14004: default:
14005: 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));
14006: REG16(AX) = 0x01;
14007: m_CF = 1;
14008: break;
14009: }
14010: }
14011:
1.1 root 14012: inline void msdos_int_2fh_aeh()
14013: {
14014: switch(REG8(AL)) {
14015: case 0x00:
1.1.1.28 root 14016: // FIXME: we need to check the given command line
14017: REG8(AL) = 0x00; // the command should be executed as usual
14018: // REG8(AL) = 0xff; // this command is a TSR extension to COMMAND.COM
1.1 root 14019: break;
14020: case 0x01:
14021: {
14022: char command[MAX_PATH];
14023: memset(command, 0, sizeof(command));
1.1.1.3 root 14024: memcpy(command, mem + SREG_BASE(DS) + REG16(SI) + 1, mem[SREG_BASE(DS) + REG16(SI)]);
1.1 root 14025:
14026: param_block_t *param = (param_block_t *)(mem + WORK_TOP);
14027: param->env_seg = 0;
14028: param->cmd_line.w.l = 44;
14029: param->cmd_line.w.h = (WORK_TOP >> 4);
14030: param->fcb1.w.l = 24;
14031: param->fcb1.w.h = (WORK_TOP >> 4);
14032: param->fcb2.w.l = 24;
14033: param->fcb2.w.h = (WORK_TOP >> 4);
14034:
14035: memset(mem + WORK_TOP + 24, 0x20, 20);
14036:
14037: cmd_line_t *cmd_line = (cmd_line_t *)(mem + WORK_TOP + 44);
1.1.1.3 root 14038: cmd_line->len = mem[SREG_BASE(DS) + REG16(BX) + 1];
14039: memcpy(cmd_line->cmd, mem + SREG_BASE(DS) + REG16(BX) + 2, cmd_line->len);
1.1 root 14040: cmd_line->cmd[cmd_line->len] = 0x0d;
14041:
1.1.1.28 root 14042: try {
14043: msdos_process_exec(command, param, 0);
14044: } catch(...) {
14045: fatalerror("failed to start '%s' by int 2Fh, AX=AE01h\n", command);
1.1 root 14046: }
14047: }
14048: break;
14049: default:
1.1.1.22 root 14050: 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 14051: REG16(AX) = 0x01;
1.1.1.3 root 14052: m_CF = 1;
1.1 root 14053: break;
14054: }
14055: }
14056:
1.1.1.34 root 14057: inline void msdos_int_2fh_b7h()
14058: {
14059: switch(REG8(AL)) {
14060: case 0x00:
14061: // APPEND is not installed
14062: // REG8(AL) = 0x00;
14063: break;
1.1.1.44 root 14064: case 0x06:
14065: REG16(BX) = 0x0000;
14066: break;
1.1.1.34 root 14067: case 0x07:
1.1.1.43 root 14068: case 0x11:
1.1.1.34 root 14069: // COMMAND.COM calls this service without checking APPEND is installed
14070: break;
14071: default:
14072: 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));
14073: REG16(AX) = 0x01;
14074: m_CF = 1;
14075: break;
14076: }
14077: }
14078:
1.1.1.24 root 14079: inline void msdos_int_33h_0000h()
14080: {
14081: REG16(AX) = 0xffff; // hardware/driver installed
14082: REG16(BX) = MAX_MOUSE_BUTTONS;
14083: }
14084:
14085: inline void msdos_int_33h_0001h()
14086: {
1.1.1.34 root 14087: if(mouse.hidden > 0) {
14088: mouse.hidden--;
14089: }
14090: if(mouse.hidden == 0) {
1.1.1.24 root 14091: if(!(dwConsoleMode & ENABLE_MOUSE_INPUT)) {
14092: SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), dwConsoleMode | ENABLE_MOUSE_INPUT);
14093: }
14094: pic[1].imr &= ~0x10; // enable irq12
14095: }
14096: }
14097:
14098: inline void msdos_int_33h_0002h()
14099: {
1.1.1.34 root 14100: mouse.hidden++;
14101: // SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), dwConsoleMode & ~ENABLE_MOUSE_INPUT);
14102: pic[1].imr |= 0x10; // enable irq12
1.1.1.24 root 14103: }
14104:
14105: inline void msdos_int_33h_0003h()
14106: {
1.1.1.34 root 14107: // if(mouse.hidden > 0) {
14108: update_console_input();
14109: // }
1.1.1.24 root 14110: REG16(BX) = mouse.get_buttons();
1.1.1.34 root 14111: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.position.x));
14112: REG16(DX) = max(mouse.min_position.y & ~7, min(mouse.max_position.y & ~7, mouse.position.y));
14113: }
14114:
14115: inline void msdos_int_33h_0004h()
14116: {
14117: mouse.position.x = REG16(CX);
14118: mouse.position.x = REG16(DX);
1.1.1.24 root 14119: }
14120:
14121: inline void msdos_int_33h_0005h()
14122: {
1.1.1.34 root 14123: // if(mouse.hidden > 0) {
14124: update_console_input();
14125: // }
1.1.1.24 root 14126: if(REG16(BX) < MAX_MOUSE_BUTTONS) {
14127: int idx = REG16(BX);
1.1.1.34 root 14128: REG16(BX) = min(mouse.buttons[idx].pressed_times, 0x7fff);
14129: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.buttons[idx].pressed_position.x));
14130: 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 14131: mouse.buttons[idx].pressed_times = 0;
14132: } else {
14133: REG16(BX) = REG16(CX) = REG16(DX) = 0x0000;
14134: }
14135: REG16(AX) = mouse.get_buttons();
14136: }
14137:
14138: inline void msdos_int_33h_0006h()
14139: {
1.1.1.34 root 14140: // if(mouse.hidden > 0) {
14141: update_console_input();
14142: // }
1.1.1.24 root 14143: if(REG16(BX) < MAX_MOUSE_BUTTONS) {
14144: int idx = REG16(BX);
1.1.1.34 root 14145: REG16(BX) = min(mouse.buttons[idx].released_times, 0x7fff);
14146: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.buttons[idx].released_position.x));
14147: 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 14148: mouse.buttons[idx].released_times = 0;
14149: } else {
14150: REG16(BX) = REG16(CX) = REG16(DX) = 0x0000;
14151: }
14152: REG16(AX) = mouse.get_buttons();
14153: }
14154:
14155: inline void msdos_int_33h_0007h()
14156: {
14157: mouse.min_position.x = min(REG16(CX), REG16(DX));
14158: mouse.max_position.x = max(REG16(CX), REG16(DX));
14159: }
14160:
14161: inline void msdos_int_33h_0008h()
14162: {
14163: mouse.min_position.y = min(REG16(CX), REG16(DX));
14164: mouse.max_position.y = max(REG16(CX), REG16(DX));
14165: }
14166:
14167: inline void msdos_int_33h_0009h()
14168: {
14169: mouse.hot_spot[0] = REG16(BX);
14170: mouse.hot_spot[1] = REG16(CX);
14171: }
14172:
14173: inline void msdos_int_33h_000bh()
14174: {
1.1.1.34 root 14175: // if(mouse.hidden > 0) {
14176: update_console_input();
14177: // }
1.1.1.24 root 14178: int dx = (mouse.position.x - mouse.prev_position.x) * mouse.mickey.x / 8;
14179: int dy = (mouse.position.y - mouse.prev_position.y) * mouse.mickey.y / 8;
14180: mouse.prev_position.x = mouse.position.x;
14181: mouse.prev_position.y = mouse.position.y;
14182: REG16(CX) = dx;
14183: REG16(DX) = dy;
14184: }
14185:
14186: inline void msdos_int_33h_000ch()
14187: {
14188: mouse.call_mask = REG16(CX);
14189: mouse.call_addr.w.l = REG16(DX);
14190: mouse.call_addr.w.h = SREG(ES);
14191: }
14192:
14193: inline void msdos_int_33h_000fh()
14194: {
14195: mouse.mickey.x = REG16(CX);
14196: mouse.mickey.y = REG16(DX);
14197: }
14198:
14199: inline void msdos_int_33h_0011h()
14200: {
14201: REG16(AX) = 0xffff;
14202: REG16(BX) = MAX_MOUSE_BUTTONS;
14203: }
14204:
14205: inline void msdos_int_33h_0014h()
14206: {
14207: UINT16 old_mask = mouse.call_mask;
14208: UINT16 old_ofs = mouse.call_addr.w.l;
14209: UINT16 old_seg = mouse.call_addr.w.h;
14210:
14211: mouse.call_mask = REG16(CX);
14212: mouse.call_addr.w.l = REG16(DX);
14213: mouse.call_addr.w.h = SREG(ES);
14214:
14215: REG16(CX) = old_mask;
14216: REG16(DX) = old_ofs;
14217: SREG(ES) = old_seg;
14218: i386_load_segment_descriptor(ES);
14219: }
14220:
14221: inline void msdos_int_33h_0015h()
14222: {
14223: REG16(BX) = sizeof(mouse);
14224: }
14225:
14226: inline void msdos_int_33h_0016h()
14227: {
14228: memcpy(mem + SREG_BASE(ES) + REG16(DX), &mouse, sizeof(mouse));
14229: }
14230:
14231: inline void msdos_int_33h_0017h()
14232: {
14233: memcpy(&mouse, mem + SREG_BASE(ES) + REG16(DX), sizeof(mouse));
14234: }
14235:
1.1.1.43 root 14236: inline void msdos_int_33h_0018h()
14237: {
14238: for(int i = 0; i < 8; i++) {
14239: if(REG16(CX) & (1 << i)) {
14240: if(mouse.call_addr_alt[i].dw && !(REG16(DX) == 0 && SREG(ES) == 0)) {
14241: // event handler already exists
14242: REG16(AX) = 0xffff;
14243: break;
14244: }
14245: mouse.call_addr_alt[i].w.l = REG16(DX);
14246: mouse.call_addr_alt[i].w.h = SREG(ES);
14247: }
14248: }
14249: }
14250:
14251: inline void msdos_int_33h_0019h()
14252: {
14253: UINT16 call_mask = REG16(CX);
14254:
14255: REG16(CX) = 0;
14256:
14257: for(int i = 0; i < 8; i++) {
14258: if((call_mask & (1 << i)) && mouse.call_addr_alt[i].dw) {
14259: for(int j = 0; j < 8; j++) {
14260: if((call_mask & (1 << j)) && mouse.call_addr_alt[i].dw == mouse.call_addr_alt[j].dw) {
14261: REG16(CX) |= (1 << j);
14262: }
14263: }
14264: REG16(DX) = mouse.call_addr_alt[i].w.l;
14265: REG16(BX) = mouse.call_addr_alt[i].w.h;
14266: break;
14267: }
14268: }
14269: }
14270:
1.1.1.24 root 14271: inline void msdos_int_33h_001ah()
14272: {
14273: mouse.sensitivity[0] = REG16(BX);
14274: mouse.sensitivity[1] = REG16(CX);
14275: mouse.sensitivity[2] = REG16(DX);
14276: }
14277:
14278: inline void msdos_int_33h_001bh()
14279: {
14280: REG16(BX) = mouse.sensitivity[0];
14281: REG16(CX) = mouse.sensitivity[1];
14282: REG16(DX) = mouse.sensitivity[2];
14283: }
14284:
14285: inline void msdos_int_33h_001dh()
14286: {
14287: mouse.display_page = REG16(BX);
14288: }
14289:
14290: inline void msdos_int_33h_001eh()
14291: {
14292: REG16(BX) = mouse.display_page;
14293: }
14294:
1.1.1.34 root 14295: inline void msdos_int_33h_001fh()
14296: {
14297: // from DOSBox
14298: REG16(BX) = 0x0000;
14299: SREG(ES) = 0x0000;
14300: i386_load_segment_descriptor(ES);
14301: mouse.enabled = false;
14302: mouse.old_hidden = mouse.hidden;
14303: mouse.hidden = 1;
14304: }
14305:
14306: inline void msdos_int_33h_0020h()
14307: {
14308: // from DOSBox
14309: mouse.enabled = true;
14310: mouse.hidden = mouse.old_hidden;
14311: }
14312:
1.1.1.24 root 14313: inline void msdos_int_33h_0021h()
14314: {
14315: REG16(AX) = 0xffff;
14316: REG16(BX) = MAX_MOUSE_BUTTONS;
14317: }
14318:
14319: inline void msdos_int_33h_0022h()
14320: {
14321: mouse.language = REG16(BX);
14322: }
14323:
14324: inline void msdos_int_33h_0023h()
14325: {
14326: REG16(BX) = mouse.language;
14327: }
14328:
14329: inline void msdos_int_33h_0024h()
14330: {
14331: REG16(BX) = 0x0805; // V8.05
14332: REG16(CX) = 0x0400; // PS/2
14333: }
14334:
14335: inline void msdos_int_33h_0026h()
14336: {
14337: REG16(BX) = 0x0000;
14338: REG16(CX) = mouse.max_position.x;
14339: REG16(DX) = mouse.max_position.y;
14340: }
14341:
14342: inline void msdos_int_33h_002ah()
14343: {
1.1.1.34 root 14344: REG16(AX) = -mouse.hidden;
1.1.1.24 root 14345: REG16(BX) = mouse.hot_spot[0];
14346: REG16(CX) = mouse.hot_spot[1];
14347: REG16(DX) = 4; // PS/2
14348: }
14349:
14350: inline void msdos_int_33h_0031h()
14351: {
14352: REG16(AX) = mouse.min_position.x;
14353: REG16(BX) = mouse.min_position.y;
14354: REG16(CX) = mouse.max_position.x;
14355: REG16(DX) = mouse.max_position.y;
14356: }
14357:
14358: inline void msdos_int_33h_0032h()
14359: {
14360: REG16(AX) = 0;
14361: // REG16(AX) |= 0x8000; // 0025h
14362: REG16(AX) |= 0x4000; // 0026h
14363: // REG16(AX) |= 0x2000; // 0027h
14364: // REG16(AX) |= 0x1000; // 0028h
14365: // REG16(AX) |= 0x0800; // 0029h
14366: REG16(AX) |= 0x0400; // 002ah
14367: // REG16(AX) |= 0x0200; // 002bh
14368: // REG16(AX) |= 0x0100; // 002ch
14369: // REG16(AX) |= 0x0080; // 002dh
14370: // REG16(AX) |= 0x0040; // 002eh
14371: REG16(AX) |= 0x0020; // 002fh
14372: // REG16(AX) |= 0x0010; // 0030h
14373: REG16(AX) |= 0x0008; // 0031h
14374: REG16(AX) |= 0x0004; // 0032h
14375: // REG16(AX) |= 0x0002; // 0033h
14376: // REG16(AX) |= 0x0001; // 0034h
14377: }
14378:
1.1.1.19 root 14379: inline void msdos_int_67h_40h()
14380: {
14381: if(!support_ems) {
14382: REG8(AH) = 0x84;
14383: } else {
14384: REG8(AH) = 0x00;
14385: }
14386: }
14387:
14388: inline void msdos_int_67h_41h()
14389: {
14390: if(!support_ems) {
14391: REG8(AH) = 0x84;
14392: } else {
14393: REG8(AH) = 0x00;
14394: REG16(BX) = EMS_TOP >> 4;
14395: }
14396: }
14397:
14398: inline void msdos_int_67h_42h()
14399: {
14400: if(!support_ems) {
14401: REG8(AH) = 0x84;
14402: } else {
14403: REG8(AH) = 0x00;
14404: REG16(BX) = free_ems_pages;
14405: REG16(DX) = MAX_EMS_PAGES;
14406: }
14407: }
14408:
14409: inline void msdos_int_67h_43h()
14410: {
14411: if(!support_ems) {
14412: REG8(AH) = 0x84;
14413: } else if(REG16(BX) > MAX_EMS_PAGES) {
14414: REG8(AH) = 0x87;
14415: } else if(REG16(BX) > free_ems_pages) {
14416: REG8(AH) = 0x88;
14417: } else if(REG16(BX) == 0) {
14418: REG8(AH) = 0x89;
14419: } else {
1.1.1.31 root 14420: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 14421: if(!ems_handles[i].allocated) {
14422: ems_allocate_pages(i, REG16(BX));
14423: REG8(AH) = 0x00;
14424: REG16(DX) = i;
14425: return;
14426: }
14427: }
14428: REG8(AH) = 0x85;
14429: }
14430: }
14431:
14432: inline void msdos_int_67h_44h()
14433: {
14434: if(!support_ems) {
14435: REG8(AH) = 0x84;
1.1.1.31 root 14436: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 14437: REG8(AH) = 0x83;
14438: } else if(!(REG16(BX) == 0xffff || REG16(BX) < ems_handles[REG16(DX)].pages)) {
14439: REG8(AH) = 0x8a;
14440: // } else if(!(REG8(AL) < 4)) {
14441: // REG8(AH) = 0x8b;
14442: } else if(REG16(BX) == 0xffff) {
14443: ems_unmap_page(REG8(AL) & 3);
14444: REG8(AH) = 0x00;
14445: } else {
14446: ems_map_page(REG8(AL) & 3, REG16(DX), REG16(BX));
14447: REG8(AH) = 0x00;
14448: }
14449: }
14450:
14451: inline void msdos_int_67h_45h()
14452: {
14453: if(!support_ems) {
14454: REG8(AH) = 0x84;
1.1.1.31 root 14455: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 14456: REG8(AH) = 0x83;
14457: } else {
14458: ems_release_pages(REG16(DX));
14459: REG8(AH) = 0x00;
14460: }
14461: }
14462:
14463: inline void msdos_int_67h_46h()
14464: {
14465: if(!support_ems) {
14466: REG8(AH) = 0x84;
14467: } else {
1.1.1.29 root 14468: // REG16(AX) = 0x0032; // EMS 3.2
14469: REG16(AX) = 0x0040; // EMS 4.0
1.1.1.19 root 14470: }
14471: }
14472:
14473: inline void msdos_int_67h_47h()
14474: {
14475: // NOTE: the map data should be stored in the specified ems page, not process data
14476: process_t *process = msdos_process_info_get(current_psp);
14477:
14478: if(!support_ems) {
14479: REG8(AH) = 0x84;
1.1.1.31 root 14480: // } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 14481: // REG8(AH) = 0x83;
14482: } else if(process->ems_pages_stored) {
14483: REG8(AH) = 0x8d;
14484: } else {
14485: for(int i = 0; i < 4; i++) {
14486: process->ems_pages[i].handle = ems_pages[i].handle;
14487: process->ems_pages[i].page = ems_pages[i].page;
14488: process->ems_pages[i].mapped = ems_pages[i].mapped;
14489: }
14490: process->ems_pages_stored = true;
14491: REG8(AH) = 0x00;
14492: }
14493: }
14494:
14495: inline void msdos_int_67h_48h()
14496: {
14497: // NOTE: the map data should be restored from the specified ems page, not process data
14498: process_t *process = msdos_process_info_get(current_psp);
14499:
14500: if(!support_ems) {
14501: REG8(AH) = 0x84;
1.1.1.31 root 14502: // } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 14503: // REG8(AH) = 0x83;
14504: } else if(!process->ems_pages_stored) {
14505: REG8(AH) = 0x8e;
14506: } else {
14507: for(int i = 0; i < 4; i++) {
14508: if(process->ems_pages[i].mapped) {
14509: ems_map_page(i, process->ems_pages[i].handle, process->ems_pages[i].page);
14510: } else {
14511: ems_unmap_page(i);
14512: }
14513: }
14514: process->ems_pages_stored = false;
14515: REG8(AH) = 0x00;
14516: }
14517: }
14518:
14519: inline void msdos_int_67h_4bh()
14520: {
14521: if(!support_ems) {
14522: REG8(AH) = 0x84;
14523: } else {
14524: REG8(AH) = 0x00;
14525: REG16(BX) = 0;
1.1.1.31 root 14526: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 14527: if(ems_handles[i].allocated) {
14528: REG16(BX)++;
14529: }
14530: }
14531: }
14532: }
14533:
14534: inline void msdos_int_67h_4ch()
14535: {
14536: if(!support_ems) {
14537: REG8(AH) = 0x84;
1.1.1.31 root 14538: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 14539: REG8(AH) = 0x83;
14540: } else {
14541: REG8(AH) = 0x00;
14542: REG16(BX) = ems_handles[REG16(DX)].pages;
14543: }
14544: }
14545:
14546: inline void msdos_int_67h_4dh()
14547: {
14548: if(!support_ems) {
14549: REG8(AH) = 0x84;
14550: } else {
14551: REG8(AH) = 0x00;
14552: REG16(BX) = 0;
1.1.1.31 root 14553: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 14554: if(ems_handles[i].allocated) {
14555: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * REG16(BX) + 0) = i;
14556: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * REG16(BX) + 2) = ems_handles[i].pages;
14557: REG16(BX)++;
14558: }
14559: }
14560: }
14561: }
14562:
1.1.1.20 root 14563: inline void msdos_int_67h_4eh()
14564: {
14565: if(!support_ems) {
14566: REG8(AH) = 0x84;
14567: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01 || REG8(AL) == 0x02) {
14568: if(REG8(AL) == 0x00 || REG8(AL) == 0x02) {
14569: // save page map
14570: for(int i = 0; i < 4; i++) {
14571: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 0) = ems_pages[i].mapped ? ems_pages[i].handle : 0xffff;
14572: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 2) = ems_pages[i].mapped ? ems_pages[i].page : 0xffff;
14573: }
14574: }
14575: if(REG8(AL) == 0x01 || REG8(AL) == 0x02) {
14576: // restore page map
14577: for(int i = 0; i < 4; i++) {
14578: UINT16 handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 0);
14579: UINT16 page = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 2);
14580:
1.1.1.31 root 14581: if(handle >= 1 && handle <= MAX_EMS_HANDLES && ems_handles[handle].allocated && page < ems_handles[handle].pages) {
1.1.1.20 root 14582: ems_map_page(i, handle, page);
14583: } else {
14584: ems_unmap_page(i);
14585: }
14586: }
14587: }
14588: REG8(AH) = 0x00;
14589: } else if(REG8(AL) == 0x03) {
14590: REG8(AH) = 0x00;
1.1.1.21 root 14591: REG8(AL) = 4 * 4;
14592: } else {
1.1.1.22 root 14593: 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 14594: REG8(AH) = 0x8f;
14595: }
14596: }
14597:
14598: inline void msdos_int_67h_4fh()
14599: {
14600: if(!support_ems) {
14601: REG8(AH) = 0x84;
14602: } else if(REG8(AL) == 0x00) {
14603: int count = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI));
14604:
14605: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI)) = count;
14606: for(int i = 0; i < count; i++) {
14607: UINT16 segment = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 2 * i);
14608: UINT16 physical = ((segment << 4) - EMS_TOP) / 0x4000;
14609:
14610: // if(!(physical < 4)) {
14611: // REG8(AH) = 0x8b;
14612: // return;
14613: // }
14614: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2 + 6 * i + 0) = segment;
1.1.1.41 root 14615: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2 + 6 * i + 2) = ems_pages[physical & 3].mapped ? ems_pages[physical & 3].handle : 0xffff;
14616: *(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 14617: }
14618: REG8(AH) = 0x00;
14619: } else if(REG8(AL) == 0x01) {
14620: int count = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI));
14621:
14622: for(int i = 0; i < count; i++) {
14623: UINT16 segment = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 6 * i + 0);
14624: UINT16 physical = ((segment << 4) - EMS_TOP) / 0x4000;
14625: UINT16 handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 6 * i + 2);
14626: UINT16 logical = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 6 * i + 4);
14627:
14628: // if(!(physical < 4)) {
14629: // REG8(AH) = 0x8b;
14630: // return;
14631: // } else
1.1.1.41 root 14632: if(handle >= 1 && handle <= MAX_EMS_HANDLES && ems_handles[handle].allocated && logical < ems_handles[handle].pages) {
1.1.1.21 root 14633: ems_map_page(physical & 3, handle, logical);
14634: } else {
1.1.1.41 root 14635: ems_unmap_page(physical & 3);
1.1.1.21 root 14636: }
14637: }
14638: REG8(AH) = 0x00;
14639: } else if(REG8(AL) == 0x02) {
14640: REG8(AH) = 0x00;
14641: REG8(AL) = 2 + REG16(BX) * 6;
1.1.1.20 root 14642: } else {
1.1.1.22 root 14643: 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 14644: REG8(AH) = 0x8f;
14645: }
14646: }
14647:
14648: inline void msdos_int_67h_50h()
14649: {
14650: if(!support_ems) {
14651: REG8(AH) = 0x84;
1.1.1.31 root 14652: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.20 root 14653: REG8(AH) = 0x83;
14654: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
14655: for(int i = 0; i < REG16(CX); i++) {
14656: int logical = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 0);
14657: int physical = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 2);
14658:
14659: if(REG8(AL) == 0x01) {
14660: physical = ((physical << 4) - EMS_TOP) / 0x4000;
14661: }
14662: // if(!(physical < 4)) {
14663: // REG8(AH) = 0x8b;
14664: // return;
14665: // } else
14666: if(logical == 0xffff) {
14667: ems_unmap_page(physical & 3);
14668: } else if(logical < ems_handles[REG16(DX)].pages) {
14669: ems_map_page(physical & 3, REG16(DX), logical);
14670: } else {
14671: REG8(AH) = 0x8a;
14672: return;
14673: }
14674: }
14675: REG8(AH) = 0x00;
14676: } else {
1.1.1.22 root 14677: 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 14678: REG8(AH) = 0x8f;
14679: }
14680: }
14681:
1.1.1.19 root 14682: inline void msdos_int_67h_51h()
14683: {
14684: if(!support_ems) {
14685: REG8(AH) = 0x84;
1.1.1.31 root 14686: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 14687: REG8(AH) = 0x83;
14688: } else if(REG16(BX) > MAX_EMS_PAGES) {
14689: REG8(AH) = 0x87;
14690: } else if(REG16(BX) > free_ems_pages + ems_handles[REG16(DX)].pages) {
14691: REG8(AH) = 0x88;
14692: } else {
14693: ems_reallocate_pages(REG16(DX), REG16(BX));
14694: REG8(AH) = 0x00;
14695: }
14696: }
14697:
1.1.1.20 root 14698: inline void msdos_int_67h_52h()
14699: {
14700: if(!support_ems) {
14701: REG8(AH) = 0x84;
1.1.1.31 root 14702: // } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
14703: // REG8(AH) = 0x83;
1.1.1.20 root 14704: } else if(REG8(AL) == 0x00) {
14705: REG8(AL) = 0x00; // handle is volatile
14706: REG8(AH) = 0x00;
14707: } else if(REG8(AL) == 0x01) {
14708: if(REG8(BL) == 0x00) {
14709: REG8(AH) = 0x00;
14710: } else {
14711: REG8(AH) = 0x90; // undefined attribute type
14712: }
14713: } else if(REG8(AL) == 0x02) {
14714: REG8(AL) = 0x00; // only volatile handles supported
14715: REG8(AH) = 0x00;
14716: } else {
1.1.1.22 root 14717: 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 14718: REG8(AH) = 0x8f;
14719: }
14720: }
14721:
1.1.1.19 root 14722: inline void msdos_int_67h_53h()
14723: {
14724: if(!support_ems) {
14725: REG8(AH) = 0x84;
1.1.1.31 root 14726: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 14727: REG8(AH) = 0x83;
14728: } else if(REG8(AL) == 0x00) {
14729: memcpy(mem + SREG_BASE(ES) + REG16(DI), ems_handles[REG16(DX)].name, 8);
14730: REG8(AH) = 0x00;
14731: } else if(REG8(AL) == 0x01) {
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) = 0xa1;
14735: return;
14736: }
14737: }
14738: REG8(AH) = 0x00;
14739: memcpy(ems_handles[REG16(DX)].name, mem + SREG_BASE(DS) + REG16(SI), 8);
14740: } else {
1.1.1.22 root 14741: 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 14742: REG8(AH) = 0x8f;
1.1.1.19 root 14743: }
14744: }
14745:
14746: inline void msdos_int_67h_54h()
14747: {
14748: if(!support_ems) {
14749: REG8(AH) = 0x84;
14750: } else if(REG8(AL) == 0x00) {
1.1.1.31 root 14751: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 14752: if(ems_handles[i].allocated) {
14753: memcpy(mem + SREG_BASE(ES) + REG16(DI) + 10 * i + 2, ems_handles[i].name, 10);
14754: } else {
14755: memset(mem + SREG_BASE(ES) + REG16(DI) + 10 * i + 2, 0, 10);
14756: }
14757: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 10 * i + 0) = i;
14758: }
14759: REG8(AH) = 0x00;
14760: REG8(AL) = MAX_EMS_HANDLES;
14761: } else if(REG8(AL) == 0x01) {
14762: REG8(AH) = 0xa0; // not found
1.1.1.31 root 14763: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 14764: if(ems_handles[i].allocated && memcmp(ems_handles[REG16(DX)].name, mem + SREG_BASE(DS) + REG16(SI), 8) == 0) {
14765: REG8(AH) = 0x00;
14766: REG16(DX) = i;
14767: break;
14768: }
14769: }
14770: } else if(REG8(AL) == 0x02) {
14771: REG8(AH) = 0x00;
14772: REG16(BX) = MAX_EMS_HANDLES;
14773: } else {
1.1.1.22 root 14774: 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 14775: REG8(AH) = 0x8f;
14776: }
14777: }
14778:
14779: inline void msdos_int_67h_57h_tmp()
14780: {
14781: UINT32 copy_length = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00);
14782: UINT8 src_type = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x04);
14783: UINT16 src_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x05);
14784: UINT16 src_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07);
14785: UINT16 src_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x09);
14786: UINT8 dest_type = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0b);
14787: UINT16 dest_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0c);
14788: UINT16 dest_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0e);
14789: UINT16 dest_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x10);
14790:
1.1.1.32 root 14791: UINT8 *src_buffer = NULL, *dest_buffer = NULL;
1.1.1.20 root 14792: UINT32 src_addr, dest_addr;
14793: UINT32 src_addr_max, dest_addr_max;
14794:
14795: if(src_type == 0) {
14796: src_buffer = mem;
14797: src_addr = (src_seg << 4) + src_ofs;
14798: src_addr_max = MAX_MEM;
14799: } else {
1.1.1.31 root 14800: if(!(src_handle >= 1 && src_handle <= MAX_EMS_HANDLES && ems_handles[src_handle].allocated)) {
1.1.1.20 root 14801: REG8(AH) = 0x83;
14802: return;
14803: } else if(!(src_seg < ems_handles[src_handle].pages)) {
14804: REG8(AH) = 0x8a;
14805: return;
14806: }
1.1.1.32 root 14807: if(ems_handles[src_handle].buffer != NULL) {
14808: src_buffer = ems_handles[src_handle].buffer + 0x4000 * src_seg;
14809: }
1.1.1.20 root 14810: src_addr = src_ofs;
1.1.1.32 root 14811: src_addr_max = 0x4000 * (ems_handles[src_handle].pages - src_seg);
1.1.1.20 root 14812: }
14813: if(dest_type == 0) {
14814: dest_buffer = mem;
14815: dest_addr = (dest_seg << 4) + dest_ofs;
14816: dest_addr_max = MAX_MEM;
14817: } else {
1.1.1.31 root 14818: if(!(dest_handle >= 1 && dest_handle <= MAX_EMS_HANDLES && ems_handles[dest_handle].allocated)) {
1.1.1.20 root 14819: REG8(AH) = 0x83;
14820: return;
14821: } else if(!(dest_seg < ems_handles[dest_handle].pages)) {
14822: REG8(AH) = 0x8a;
14823: return;
14824: }
1.1.1.32 root 14825: if(ems_handles[dest_handle].buffer != NULL) {
14826: dest_buffer = ems_handles[dest_handle].buffer + 0x4000 * dest_seg;
14827: }
1.1.1.20 root 14828: dest_addr = dest_ofs;
1.1.1.32 root 14829: dest_addr_max = 0x4000 * (ems_handles[dest_handle].pages - dest_seg);
1.1.1.20 root 14830: }
1.1.1.32 root 14831: if(src_buffer != NULL && dest_buffer != NULL) {
14832: for(int i = 0; i < copy_length; i++) {
14833: if(src_addr < src_addr_max && dest_addr < dest_addr_max) {
14834: if(REG8(AL) == 0x00) {
14835: dest_buffer[dest_addr++] = src_buffer[src_addr++];
14836: } else if(REG8(AL) == 0x01) {
14837: UINT8 tmp = dest_buffer[dest_addr];
14838: dest_buffer[dest_addr++] = src_buffer[src_addr];
14839: src_buffer[src_addr++] = tmp;
14840: }
14841: } else {
14842: REG8(AH) = 0x93;
14843: return;
1.1.1.20 root 14844: }
14845: }
1.1.1.32 root 14846: REG8(AH) = 0x00;
14847: } else {
14848: REG8(AH) = 0x80;
1.1.1.20 root 14849: }
14850: }
14851:
14852: inline void msdos_int_67h_57h()
14853: {
14854: if(!support_ems) {
14855: REG8(AH) = 0x84;
14856: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
14857: struct {
14858: UINT16 handle;
14859: UINT16 page;
14860: bool mapped;
14861: } tmp_pages[4];
14862:
14863: // unmap pages to copy memory data to ems buffer
14864: for(int i = 0; i < 4; i++) {
14865: tmp_pages[i].handle = ems_pages[i].handle;
14866: tmp_pages[i].page = ems_pages[i].page;
14867: tmp_pages[i].mapped = ems_pages[i].mapped;
14868: ems_unmap_page(i);
14869: }
14870:
14871: // run move/exchange operation
14872: msdos_int_67h_57h_tmp();
14873:
14874: // restore unmapped pages
14875: for(int i = 0; i < 4; i++) {
14876: if(tmp_pages[i].mapped) {
14877: ems_map_page(i, tmp_pages[i].handle, tmp_pages[i].page);
14878: }
14879: }
14880: } else {
1.1.1.22 root 14881: 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 14882: REG8(AH) = 0x8f;
14883: }
14884: }
14885:
14886: inline void msdos_int_67h_58h()
14887: {
14888: if(!support_ems) {
14889: REG8(AH) = 0x84;
14890: } else if(REG8(AL) == 0x00) {
14891: for(int i = 0; i < 4; i++) {
1.1.1.30 root 14892: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 0) = (EMS_TOP + 0x4000 * i) >> 4;
14893: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 2) = i;
1.1.1.20 root 14894: }
14895: REG8(AH) = 0x00;
14896: REG16(CX) = 4;
14897: } else if(REG8(AL) == 0x01) {
14898: REG8(AH) = 0x00;
14899: REG16(CX) = 4;
14900: } else {
1.1.1.22 root 14901: 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 14902: REG8(AH) = 0x8f;
14903: }
14904: }
14905:
1.1.1.42 root 14906: inline void msdos_int_67h_59h()
14907: {
14908: if(!support_ems) {
14909: REG8(AH) = 0x84;
14910: } else if(REG8(AL) == 0x00) {
14911: REG8(AH) = 0xa4; // access denied by operating system
14912: } else if(REG8(AL) == 0x01) {
14913: REG8(AH) = 0x00;
14914: REG16(BX) = free_ems_pages;
14915: REG16(DX) = MAX_EMS_PAGES;
14916: } else {
14917: 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));
14918: REG8(AH) = 0x8f;
14919: }
14920: }
14921:
1.1.1.20 root 14922: inline void msdos_int_67h_5ah()
14923: {
14924: if(!support_ems) {
1.1.1.19 root 14925: REG8(AH) = 0x84;
1.1.1.20 root 14926: } else if(REG16(BX) > MAX_EMS_PAGES) {
14927: REG8(AH) = 0x87;
14928: } else if(REG16(BX) > free_ems_pages) {
14929: REG8(AH) = 0x88;
14930: // } else if(REG16(BX) == 0) {
14931: // REG8(AH) = 0x89;
14932: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
1.1.1.31 root 14933: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.20 root 14934: if(!ems_handles[i].allocated) {
14935: ems_allocate_pages(i, REG16(BX));
14936: REG8(AH) = 0x00;
14937: REG16(DX) = i;
14938: return;
14939: }
14940: }
14941: REG8(AH) = 0x85;
14942: } else {
1.1.1.22 root 14943: 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 14944: REG8(AH) = 0x8f;
1.1.1.19 root 14945: }
14946: }
14947:
1.1.1.43 root 14948: inline void msdos_int_67h_5dh()
14949: {
14950: if(!support_ems) {
14951: REG8(AH) = 0x84;
14952: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01 || REG8(AL) == 0x02) {
14953: REG8(AH) = 0xa4; // operating system denied access
14954: } else {
14955: 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));
14956: REG8(AH) = 0x8f;
14957: }
14958: }
14959:
1.1.1.30 root 14960: inline void msdos_int_67h_deh()
14961: {
14962: REG8(AH) = 0x84;
14963: }
14964:
1.1.1.19 root 14965: #ifdef SUPPORT_XMS
14966:
1.1.1.32 root 14967: void msdos_xms_init()
1.1.1.26 root 14968: {
1.1.1.30 root 14969: emb_handle_top = (emb_handle_t *)calloc(1, sizeof(emb_handle_t));
14970: emb_handle_top->address = EMB_TOP;
14971: emb_handle_top->size_kb = (EMB_END - EMB_TOP) >> 10;
1.1.1.26 root 14972: xms_a20_local_enb_count = 0;
14973: }
14974:
1.1.1.32 root 14975: void msdos_xms_finish()
14976: {
14977: msdos_xms_release();
14978: }
14979:
14980: void msdos_xms_release()
1.1.1.30 root 14981: {
14982: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL;) {
14983: emb_handle_t *next_handle = emb_handle->next;
14984: free(emb_handle);
14985: emb_handle = next_handle;
14986: }
14987: }
14988:
14989: emb_handle_t *msdos_xms_get_emb_handle(int handle)
14990: {
14991: if(handle != 0) {
14992: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
14993: if(emb_handle->handle == handle) {
14994: return(emb_handle);
14995: }
14996: }
14997: }
14998: return(NULL);
14999: }
15000:
15001: int msdos_xms_get_unused_emb_handle_id()
15002: {
15003: for(int handle = 1;; handle++) {
15004: if(msdos_xms_get_emb_handle(handle) == NULL) {
15005: return(handle);
15006: }
15007: }
15008: return(0);
15009: }
15010:
15011: int msdos_xms_get_unused_emb_handle_count()
15012: {
15013: int count = 64; //255;
15014:
15015: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
15016: if(emb_handle->handle != 0) {
15017: if(--count == 1) {
15018: break;
15019: }
15020: }
15021: }
15022: return(count);
15023: }
15024:
15025: void msdos_xms_split_emb_handle(emb_handle_t *emb_handle, int size_kb)
15026: {
15027: if(emb_handle->size_kb > size_kb) {
15028: emb_handle_t *new_handle = (emb_handle_t *)calloc(1, sizeof(emb_handle_t));
15029:
15030: new_handle->address = emb_handle->address + size_kb * 1024;
15031: new_handle->size_kb = emb_handle->size_kb - size_kb;
15032: emb_handle->size_kb = size_kb;
15033:
15034: new_handle->prev = emb_handle;
15035: new_handle->next = emb_handle->next;
15036: if(emb_handle->next != NULL) {
15037: emb_handle->next->prev = new_handle;
15038: }
15039: emb_handle->next = new_handle;
15040: }
15041: }
15042:
15043: void msdos_xms_combine_emb_handles(emb_handle_t *emb_handle)
15044: {
15045: emb_handle_t *next_handle = emb_handle->next;
15046:
15047: if(next_handle != NULL) {
15048: emb_handle->size_kb += next_handle->size_kb;
15049:
15050: if(next_handle->next != NULL) {
15051: next_handle->next->prev = emb_handle;
15052: }
15053: emb_handle->next = next_handle->next;
15054: free(next_handle);
15055: }
15056: }
15057:
15058: emb_handle_t *msdos_xms_alloc_emb_handle(int size_kb)
15059: {
15060: emb_handle_t *target_handle = NULL;
15061:
15062: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
15063: if(emb_handle->handle == 0 && emb_handle->size_kb >= size_kb) {
15064: if(target_handle == NULL || target_handle->size_kb > emb_handle->size_kb) {
15065: target_handle = emb_handle;
15066: }
15067: }
15068: }
15069: if(target_handle != NULL) {
15070: if(target_handle->size_kb > size_kb) {
15071: msdos_xms_split_emb_handle(target_handle, size_kb);
15072: }
15073: // target_handle->handle = msdos_xms_get_unused_emb_handle_id();
15074: return(target_handle);
15075: }
15076: return(NULL);
15077: }
15078:
15079: void msdos_xms_free_emb_handle(emb_handle_t *emb_handle)
15080: {
15081: emb_handle_t *prev_handle = emb_handle->prev;
15082: emb_handle_t *next_handle = emb_handle->next;
15083:
15084: if(prev_handle != NULL && prev_handle->handle == 0) {
15085: msdos_xms_combine_emb_handles(prev_handle);
15086: emb_handle = prev_handle;
15087: }
15088: if(next_handle != NULL && next_handle->handle == 0) {
15089: msdos_xms_combine_emb_handles(emb_handle);
15090: }
15091: emb_handle->handle = 0;
15092: }
15093:
1.1.1.19 root 15094: inline void msdos_call_xms_00h()
15095: {
1.1.1.29 root 15096: #if defined(HAS_I386)
15097: REG16(AX) = 0x0300; // V3.00 (XMS Version)
1.1.1.45 root 15098: // REG16(BX) = 0x0395; // V3.95 (Driver Revision in BCD)
1.1.1.29 root 15099: REG16(BX) = 0x035f; // V3.95 (Driver Revision)
15100: #else
15101: REG16(AX) = 0x0200; // V2.00 (XMS Version)
15102: REG16(BX) = 0x0270; // V2.70 (Driver Revision)
15103: #endif
15104: // REG16(DX) = 0x0000; // HMA does not exist
15105: REG16(DX) = 0x0001; // HMA does exist
1.1.1.19 root 15106: }
15107:
15108: inline void msdos_call_xms_01h()
15109: {
1.1.1.29 root 15110: if(REG8(AL) == 0x40) {
15111: // HIMEM.SYS will fail function 01h with error code 91h if AL=40h and
15112: // DX=KB free extended memory returned by last call of function 08h
15113: REG16(AX) = 0x0000;
15114: REG8(BL) = 0x91;
15115: REG16(DX) = xms_dx_after_call_08h;
15116: } else if(memcmp(mem + 0x100003, "VDISK", 5) == 0) {
15117: REG16(AX) = 0x0000;
15118: REG8(BL) = 0x81; // Vdisk was detected
15119: #ifdef SUPPORT_HMA
15120: } else if(is_hma_used_by_int_2fh) {
15121: REG16(AX) = 0x0000;
15122: REG8(BL) = 0x90; // HMA does not exist or is not managed by XMS provider
15123: } else if(is_hma_used_by_xms) {
15124: REG16(AX) = 0x0000;
15125: REG8(BL) = 0x91; // HMA is already in use
15126: } else {
15127: REG16(AX) = 0x0001;
15128: is_hma_used_by_xms = true;
15129: #else
15130: } else {
15131: REG16(AX) = 0x0000;
15132: REG8(BL) = 0x91; // HMA is already in use
15133: #endif
15134: }
1.1.1.19 root 15135: }
15136:
15137: inline void msdos_call_xms_02h()
15138: {
1.1.1.29 root 15139: if(memcmp(mem + 0x100003, "VDISK", 5) == 0) {
15140: REG16(AX) = 0x0000;
15141: REG8(BL) = 0x81; // Vdisk was detected
15142: #ifdef SUPPORT_HMA
15143: } else if(is_hma_used_by_int_2fh) {
15144: REG16(AX) = 0x0000;
15145: REG8(BL) = 0x90; // HMA does not exist or is not managed by XMS provider
15146: } else if(!is_hma_used_by_xms) {
15147: REG16(AX) = 0x0000;
15148: REG8(BL) = 0x93; // HMA is not allocated
15149: } else {
15150: REG16(AX) = 0x0001;
15151: is_hma_used_by_xms = false;
15152: // restore first free mcb in high memory area
15153: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
15154: #else
15155: } else {
15156: REG16(AX) = 0x0000;
15157: REG8(BL) = 0x91; // HMA is already in use
15158: #endif
15159: }
1.1.1.19 root 15160: }
15161:
15162: inline void msdos_call_xms_03h()
15163: {
15164: i386_set_a20_line(1);
15165: REG16(AX) = 0x0001;
15166: REG8(BL) = 0x00;
15167: }
15168:
15169: inline void msdos_call_xms_04h()
15170: {
1.1.1.21 root 15171: i386_set_a20_line(0);
15172: REG16(AX) = 0x0001;
15173: REG8(BL) = 0x00;
1.1.1.19 root 15174: }
15175:
15176: inline void msdos_call_xms_05h()
15177: {
15178: i386_set_a20_line(1);
15179: REG16(AX) = 0x0001;
15180: REG8(BL) = 0x00;
1.1.1.21 root 15181: xms_a20_local_enb_count++;
1.1.1.19 root 15182: }
15183:
15184: void msdos_call_xms_06h()
15185: {
1.1.1.21 root 15186: if(xms_a20_local_enb_count > 0) {
1.1.1.45 root 15187: if(--xms_a20_local_enb_count == 0) {
15188: i386_set_a20_line(0);
15189: REG16(AX) = 0x0001;
15190: REG8(BL) = 0x00;
15191: } else {
15192: REG16(AX) = 0x0000;
15193: REG8(BL) = 0x94;
15194: }
1.1.1.21 root 15195: } else {
1.1.1.45 root 15196: i386_set_a20_line(0);
1.1.1.21 root 15197: REG16(AX) = 0x0001;
15198: REG8(BL) = 0x00;
1.1.1.19 root 15199: }
15200: }
15201:
15202: inline void msdos_call_xms_07h()
15203: {
15204: REG16(AX) = (m_a20_mask >> 20) & 1;
15205: REG8(BL) = 0x00;
15206: }
15207:
15208: inline void msdos_call_xms_08h()
15209: {
1.1.1.45 root 15210: UINT32 eax = 0, edx = 0;
1.1.1.19 root 15211:
1.1.1.30 root 15212: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
15213: if(emb_handle->handle == 0) {
1.1.1.45 root 15214: if(eax < emb_handle->size_kb) {
15215: eax = emb_handle->size_kb;
1.1.1.19 root 15216: }
1.1.1.45 root 15217: edx += emb_handle->size_kb;
1.1.1.19 root 15218: }
15219: }
1.1.1.45 root 15220: if(eax > 65535) {
15221: eax = 65535;
15222: }
15223: if(edx > 65535) {
15224: edx = 65535;
15225: }
15226: if(eax == 0 && edx == 0) {
1.1.1.19 root 15227: REG8(BL) = 0xa0;
15228: } else {
15229: REG8(BL) = 0x00;
15230: }
1.1.1.45 root 15231: #if defined(HAS_I386)
15232: REG32(EAX) = eax;
15233: REG32(EDX) = edx;
15234: #else
15235: REG16(AX) = (UINT16)eax;
15236: REG16(DX) = (UINT16)edx;
15237: #endif
1.1.1.29 root 15238: xms_dx_after_call_08h = REG16(DX);
1.1.1.19 root 15239: }
15240:
1.1.1.30 root 15241: void msdos_call_xms_09h(int size_kb)
1.1.1.19 root 15242: {
1.1.1.30 root 15243: emb_handle_t *emb_handle = msdos_xms_alloc_emb_handle(size_kb);
15244:
15245: if(emb_handle != NULL) {
15246: emb_handle->handle = msdos_xms_get_unused_emb_handle_id();
15247:
15248: REG16(AX) = 0x0001;
15249: REG16(DX) = emb_handle->handle;
15250: REG8(BL) = 0x00;
15251: } else {
15252: REG16(AX) = REG16(DX) = 0x0000;
15253: REG8(BL) = 0xa0;
1.1.1.19 root 15254: }
1.1.1.30 root 15255: }
15256:
15257: inline void msdos_call_xms_09h()
15258: {
15259: msdos_call_xms_09h(REG16(DX));
1.1.1.19 root 15260: }
15261:
15262: inline void msdos_call_xms_0ah()
15263: {
1.1.1.30 root 15264: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
15265:
15266: if(emb_handle == NULL) {
1.1.1.19 root 15267: REG16(AX) = 0x0000;
15268: REG8(BL) = 0xa2;
1.1.1.45 root 15269: // } else if(emb_handle->lock > 0) {
15270: // REG16(AX) = 0x0000;
15271: // REG8(BL) = 0xab;
1.1.1.19 root 15272: } else {
1.1.1.30 root 15273: msdos_xms_free_emb_handle(emb_handle);
1.1.1.19 root 15274:
15275: REG16(AX) = 0x0001;
15276: REG8(BL) = 0x00;
15277: }
15278: }
15279:
15280: inline void msdos_call_xms_0bh()
15281: {
15282: UINT32 copy_length = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00);
15283: UINT16 src_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x04);
15284: UINT32 src_addr = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x06);
15285: UINT16 dest_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0a);
15286: UINT32 dest_addr = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0c);
15287:
15288: UINT8 *src_buffer, *dest_buffer;
15289: UINT32 src_addr_max, dest_addr_max;
1.1.1.30 root 15290: emb_handle_t *emb_handle;
1.1.1.19 root 15291:
15292: if(src_handle == 0) {
15293: src_buffer = mem;
15294: src_addr = (((src_addr >> 16) & 0xffff) << 4) + (src_addr & 0xffff);
15295: src_addr_max = MAX_MEM;
15296: } else {
1.1.1.30 root 15297: if((emb_handle = msdos_xms_get_emb_handle(src_handle)) == NULL) {
1.1.1.19 root 15298: REG16(AX) = 0x0000;
15299: REG8(BL) = 0xa3;
15300: return;
15301: }
1.1.1.30 root 15302: src_buffer = mem + emb_handle->address;
15303: src_addr_max = emb_handle->size_kb * 1024;
1.1.1.19 root 15304: }
15305: if(dest_handle == 0) {
15306: dest_buffer = mem;
15307: dest_addr = (((dest_addr >> 16) & 0xffff) << 4) + (dest_addr & 0xffff);
15308: dest_addr_max = MAX_MEM;
15309: } else {
1.1.1.30 root 15310: if((emb_handle = msdos_xms_get_emb_handle(dest_handle)) == NULL) {
1.1.1.19 root 15311: REG16(AX) = 0x0000;
15312: REG8(BL) = 0xa5;
15313: return;
15314: }
1.1.1.30 root 15315: dest_buffer = mem + emb_handle->address;
15316: dest_addr_max = emb_handle->size_kb * 1024;
1.1.1.19 root 15317: }
15318: for(int i = 0; i < copy_length; i++) {
15319: if(src_addr < src_addr_max && dest_addr < dest_addr_max) {
15320: dest_buffer[dest_addr++] = src_buffer[src_addr++];
15321: } else {
15322: break;
15323: }
15324: }
15325: REG16(AX) = 0x0001;
15326: REG8(BL) = 0x00;
15327: }
15328:
15329: inline void msdos_call_xms_0ch()
15330: {
1.1.1.30 root 15331: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
15332:
15333: if(emb_handle == NULL) {
1.1.1.19 root 15334: REG16(AX) = 0x0000;
15335: REG8(BL) = 0xa2;
15336: } else {
1.1.1.45 root 15337: if(emb_handle->lock < 255) {
15338: emb_handle->lock++;
15339: }
1.1.1.19 root 15340: REG16(AX) = 0x0001;
1.1.1.30 root 15341: REG16(DX) = (emb_handle->address >> 16) & 0xffff;
15342: REG16(BX) = (emb_handle->address ) & 0xffff;
1.1.1.19 root 15343: }
15344: }
15345:
15346: inline void msdos_call_xms_0dh()
15347: {
1.1.1.30 root 15348: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
15349:
15350: if(emb_handle == NULL) {
1.1.1.19 root 15351: REG16(AX) = 0x0000;
15352: REG8(BL) = 0xa2;
1.1.1.30 root 15353: } else if(!(emb_handle->lock > 0)) {
1.1.1.19 root 15354: REG16(AX) = 0x0000;
15355: REG8(BL) = 0xaa;
15356: } else {
1.1.1.30 root 15357: emb_handle->lock--;
1.1.1.19 root 15358: REG16(AX) = 0x0001;
15359: REG8(BL) = 0x00;
15360: }
15361: }
15362:
15363: inline void msdos_call_xms_0eh()
15364: {
1.1.1.30 root 15365: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
15366:
15367: if(emb_handle == NULL) {
1.1.1.19 root 15368: REG16(AX) = 0x0000;
15369: REG8(BL) = 0xa2;
15370: } else {
15371: REG16(AX) = 0x0001;
1.1.1.30 root 15372: REG8(BH) = emb_handle->lock;
15373: REG8(BL) = msdos_xms_get_unused_emb_handle_count();
15374: REG16(DX) = emb_handle->size_kb;
1.1.1.19 root 15375: }
15376: }
15377:
1.1.1.30 root 15378: void msdos_call_xms_0fh(int size_kb)
1.1.1.19 root 15379: {
1.1.1.30 root 15380: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
15381:
15382: if(emb_handle == NULL) {
1.1.1.19 root 15383: REG16(AX) = 0x0000;
15384: REG8(BL) = 0xa2;
1.1.1.30 root 15385: } else if(emb_handle->lock > 0) {
1.1.1.19 root 15386: REG16(AX) = 0x0000;
15387: REG8(BL) = 0xab;
15388: } else {
1.1.1.30 root 15389: if(emb_handle->size_kb < size_kb) {
15390: if(emb_handle->next != NULL && emb_handle->next->handle == 0 && (emb_handle->size_kb + emb_handle->next->size_kb) >= size_kb) {
15391: msdos_xms_combine_emb_handles(emb_handle);
15392: if(emb_handle->size_kb > size_kb) {
15393: msdos_xms_split_emb_handle(emb_handle, size_kb);
15394: }
15395: } else {
15396: int old_handle = emb_handle->handle;
15397: int old_size_kb = emb_handle->size_kb;
15398: UINT8 *buffer = (UINT8 *)malloc(old_size_kb * 1024);
15399:
15400: memcpy(buffer, mem + emb_handle->address, old_size_kb * 1024);
15401: msdos_xms_free_emb_handle(emb_handle);
15402:
15403: if((emb_handle = msdos_xms_alloc_emb_handle(size_kb)) == NULL) {
15404: emb_handle = msdos_xms_alloc_emb_handle(old_size_kb); // should be always successed
15405: }
15406: emb_handle->handle = old_handle;
15407: memcpy(mem + emb_handle->address, buffer, old_size_kb * 1024);
15408: free(buffer);
15409: }
15410: } else if(emb_handle->size_kb > size_kb) {
15411: msdos_xms_split_emb_handle(emb_handle, size_kb);
15412: }
15413: if(emb_handle->size_kb != size_kb) {
15414: REG16(AX) = 0x0000;
15415: REG8(BL) = 0xa0;
15416: } else {
15417: REG16(AX) = 0x0001;
15418: REG8(BL) = 0x00;
15419: }
1.1.1.19 root 15420: }
15421: }
15422:
1.1.1.30 root 15423: inline void msdos_call_xms_0fh()
15424: {
15425: msdos_call_xms_0fh(REG16(BX));
15426: }
15427:
1.1.1.19 root 15428: inline void msdos_call_xms_10h()
15429: {
15430: int seg;
15431:
15432: if((seg = msdos_mem_alloc(UMB_TOP >> 4, REG16(DX), 0)) != -1) {
15433: REG16(AX) = 0x0001;
15434: REG16(BX) = seg;
15435: } else {
15436: REG16(AX) = 0x0000;
15437: REG8(BL) = 0xb0;
15438: REG16(DX) = msdos_mem_get_free(UMB_TOP >> 4, 0);
15439: }
15440: }
15441:
15442: inline void msdos_call_xms_11h()
15443: {
15444: int mcb_seg = REG16(DX) - 1;
15445: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
15446:
15447: if(mcb->mz == 'M' || mcb->mz == 'Z') {
15448: msdos_mem_free(REG16(DX));
15449: REG16(AX) = 0x0001;
15450: REG8(BL) = 0x00;
15451: } else {
15452: REG16(AX) = 0x0000;
15453: REG8(BL) = 0xb2;
15454: }
15455: }
15456:
15457: inline void msdos_call_xms_12h()
15458: {
15459: int mcb_seg = REG16(DX) - 1;
15460: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
15461: int max_paragraphs;
15462:
15463: if(mcb->mz == 'M' || mcb->mz == 'Z') {
15464: if(!msdos_mem_realloc(REG16(DX), REG16(BX), &max_paragraphs)) {
15465: REG16(AX) = 0x0001;
15466: REG8(BL) = 0x00;
15467: } else {
15468: REG16(AX) = 0x0000;
15469: REG8(BL) = 0xb0;
15470: REG16(DX) = max_paragraphs;
15471: }
15472: } else {
15473: REG16(AX) = 0x0000;
15474: REG8(BL) = 0xb2;
15475: }
15476: }
15477:
1.1.1.29 root 15478: #if defined(HAS_I386)
15479:
15480: inline void msdos_call_xms_88h()
15481: {
15482: REG32(EAX) = REG32(EDX) = 0x0000;
15483:
1.1.1.30 root 15484: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
15485: if(emb_handle->handle == 0) {
15486: if(REG32(EAX) < emb_handle->size_kb) {
15487: REG32(EAX) = emb_handle->size_kb;
1.1.1.29 root 15488: }
1.1.1.30 root 15489: REG32(EDX) += emb_handle->size_kb;
1.1.1.29 root 15490: }
15491: }
15492: if(REG32(EAX) == 0 && REG32(EDX) == 0) {
15493: REG8(BL) = 0xa0;
15494: } else {
15495: REG8(BL) = 0x00;
15496: }
15497: REG32(ECX) = EMB_END - 1;
15498: }
15499:
15500: inline void msdos_call_xms_89h()
15501: {
1.1.1.30 root 15502: msdos_call_xms_09h(REG32(EDX));
1.1.1.29 root 15503: }
15504:
15505: inline void msdos_call_xms_8eh()
15506: {
1.1.1.30 root 15507: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
15508:
15509: if(emb_handle == NULL) {
1.1.1.29 root 15510: REG16(AX) = 0x0000;
15511: REG8(BL) = 0xa2;
15512: } else {
15513: REG16(AX) = 0x0001;
1.1.1.30 root 15514: REG8(BH) = emb_handle->lock;
15515: REG16(CX) = msdos_xms_get_unused_emb_handle_count();
15516: REG32(EDX) = emb_handle->size_kb;
1.1.1.29 root 15517: }
15518: }
15519:
15520: inline void msdos_call_xms_8fh()
15521: {
1.1.1.30 root 15522: msdos_call_xms_0fh(REG32(EBX));
1.1.1.29 root 15523: }
15524:
15525: #endif
1.1.1.19 root 15526: #endif
15527:
1.1.1.26 root 15528: UINT16 msdos_get_equipment()
15529: {
15530: static UINT16 equip = 0;
15531:
15532: if(equip == 0) {
15533: #ifdef SUPPORT_FPU
15534: equip |= (1 << 1); // 80x87 coprocessor installed
15535: #endif
15536: equip |= (1 << 2); // pointing device installed (PS/2)
15537: equip |= (2 << 4); // initial video mode (80x25 color)
15538: // equip |= (1 << 8); // 0 if DMA installed
15539: equip |= (2 << 9); // number of serial ports
15540: 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 15541:
15542: // check only A: and B: if it is floppy drive
15543: int n = 0;
15544: for(int i = 0; i < 2; i++) {
1.1.1.44 root 15545: if(msdos_is_valid_drive(i) && msdos_is_removable_drive(i)) {
15546: n++;
1.1.1.28 root 15547: }
15548: }
15549: if(n != 0) {
15550: equip |= (1 << 0); // floppy disk(s) installed
15551: n--;
15552: equip |= (n << 6); // number of floppies installed less 1
15553: }
15554: // if(joyGetNumDevs() != 0) {
15555: // equip |= (1 << 12); // game port installed
15556: // }
1.1.1.26 root 15557: }
15558: return(equip);
15559: }
15560:
1.1 root 15561: void msdos_syscall(unsigned num)
15562: {
1.1.1.22 root 15563: #ifdef ENABLE_DEBUG_SYSCALL
1.1.1.43 root 15564: if(num == 0x08 || num == 0x1c) {
15565: // don't log the timer interrupts
1.1.1.45 root 15566: // 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 15567: } else if(num == 0x68) {
1.1.1.22 root 15568: // dummy interrupt for EMS (int 67h)
1.1.1.33 root 15569: 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 15570: } else if(num == 0x69) {
15571: // dummy interrupt for XMS (call far)
1.1.1.33 root 15572: 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));
1.1.1.46 root 15573: } else if(num >= 0x6a && num < 0x6f) {
1.1.1.45 root 15574: // dummy interrupt
1.1.1.46 root 15575: } else if(num == 0x6f) {
15576: // dummy interrupt for call 0005h (call near)
15577: fprintf(fp_debug_log, "call 0005h (AX=%04X BX=%04X CX=%04X DX=%04X SI=%04X DI=%04X DS=%04X ES=%04X)\n", REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SI), REG16(DI), SREG(DS), SREG(ES));
1.1.1.22 root 15578: } else {
1.1.1.33 root 15579: 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 15580: }
15581: #endif
1.1.1.36 root 15582: // update cursor position
15583: if(cursor_moved) {
15584: pcbios_update_cursor_position();
15585: cursor_moved = false;
15586: }
1.1.1.33 root 15587: ctrl_break_detected = ctrl_break_pressed = ctrl_c_pressed = false;
1.1.1.22 root 15588:
1.1 root 15589: switch(num) {
15590: case 0x00:
1.1.1.28 root 15591: try {
15592: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
15593: error("division by zero\n");
15594: } catch(...) {
15595: fatalerror("division by zero detected, and failed to terminate current process\n");
15596: }
1.1 root 15597: break;
15598: case 0x04:
1.1.1.28 root 15599: try {
15600: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
15601: error("overflow\n");
15602: } catch(...) {
15603: fatalerror("overflow detected, and failed to terminate current process\n");
15604: }
1.1 root 15605: break;
15606: case 0x06:
15607: // NOTE: ish.com has illegal instruction...
1.1.1.14 root 15608: if(!ignore_illegal_insn) {
1.1.1.28 root 15609: try {
15610: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
15611: error("illegal instruction\n");
15612: } catch(...) {
15613: fatalerror("illegal instruction detected, and failed to terminate current process\n");
15614: }
1.1.1.14 root 15615: } else {
15616: #if defined(HAS_I386)
1.1.1.39 root 15617: m_eip = m_int6h_skip_eip;
15618: #elif defined(HAS_I286)
15619: m_pc = m_int6h_skip_pc;
1.1.1.14 root 15620: #else
1.1.1.39 root 15621: // 8086/80186 ignore an invalid opcode
1.1.1.14 root 15622: #endif
15623: }
1.1 root 15624: break;
1.1.1.33 root 15625: case 0x09:
15626: // ctrl-break is pressed
15627: if(raise_int_1bh) {
15628: #if defined(HAS_I386)
15629: m_ext = 0; // not an external interrupt
15630: i386_trap(0x1b, 1, 0);
15631: m_ext = 1;
15632: #else
15633: PREFIX86(_interrupt)(0x1b);
15634: #endif
15635: raise_int_1bh = false;
15636: }
1.1.1.8 root 15637: case 0x08:
1.1.1.14 root 15638: // pcbios_irq0(); // this causes too slow emulation...
1.1.1.8 root 15639: case 0x0b:
15640: case 0x0c:
15641: case 0x0d:
15642: case 0x0e:
15643: case 0x0f:
15644: // EOI
15645: pic[0].isr &= ~(1 << (num - 0x08));
15646: pic_update();
15647: break;
1.1 root 15648: case 0x10:
15649: // PC BIOS - Video
1.1.1.14 root 15650: if(!restore_console_on_exit) {
1.1.1.15 root 15651: change_console_size(scr_width, scr_height);
1.1 root 15652: }
1.1.1.3 root 15653: m_CF = 0;
1.1 root 15654: switch(REG8(AH)) {
1.1.1.16 root 15655: case 0x00: pcbios_int_10h_00h(); break;
1.1 root 15656: case 0x01: pcbios_int_10h_01h(); break;
15657: case 0x02: pcbios_int_10h_02h(); break;
15658: case 0x03: pcbios_int_10h_03h(); break;
15659: case 0x05: pcbios_int_10h_05h(); break;
15660: case 0x06: pcbios_int_10h_06h(); break;
15661: case 0x07: pcbios_int_10h_07h(); break;
15662: case 0x08: pcbios_int_10h_08h(); break;
15663: case 0x09: pcbios_int_10h_09h(); break;
15664: case 0x0a: pcbios_int_10h_0ah(); break;
15665: case 0x0b: break;
1.1.1.40 root 15666: case 0x0c: pcbios_int_10h_0ch(); break;
15667: case 0x0d: pcbios_int_10h_0dh(); break;
1.1 root 15668: case 0x0e: pcbios_int_10h_0eh(); break;
15669: case 0x0f: pcbios_int_10h_0fh(); break;
15670: case 0x10: break;
1.1.1.14 root 15671: case 0x11: pcbios_int_10h_11h(); break;
15672: case 0x12: pcbios_int_10h_12h(); break;
1.1 root 15673: case 0x13: pcbios_int_10h_13h(); break;
1.1.1.30 root 15674: case 0x18: pcbios_int_10h_18h(); break;
1.1.1.14 root 15675: case 0x1a: pcbios_int_10h_1ah(); break;
1.1.1.24 root 15676: case 0x1b: REG8(AL) = 0x00; break; // functionality/state information is not supported
15677: case 0x1c: REG8(AL) = 0x00; break; // save/restore video state is not supported
1.1 root 15678: case 0x1d: pcbios_int_10h_1dh(); break;
1.1.1.24 root 15679: case 0x1e: REG8(AL) = 0x00; break; // flat-panel functions are not supported
15680: case 0x1f: REG8(AL) = 0x00; break; // xga functions are not supported
1.1.1.22 root 15681: case 0x4f: pcbios_int_10h_4fh(); break;
1.1.1.30 root 15682: case 0x6f: break;
1.1.1.22 root 15683: case 0x80: m_CF = 1; break; // unknown
15684: case 0x81: m_CF = 1; break; // unknown
1.1 root 15685: case 0x82: pcbios_int_10h_82h(); break;
1.1.1.22 root 15686: case 0x83: pcbios_int_10h_83h(); break;
15687: case 0x8b: break;
15688: case 0x8c: m_CF = 1; break; // unknown
15689: case 0x8d: m_CF = 1; break; // unknown
15690: case 0x8e: m_CF = 1; break; // unknown
15691: case 0x90: pcbios_int_10h_90h(); break;
15692: case 0x91: pcbios_int_10h_91h(); break;
15693: case 0x92: break;
15694: case 0x93: break;
15695: case 0xef: pcbios_int_10h_efh(); break;
1.1.1.24 root 15696: case 0xfa: break; // ega register interface library is not installed
1.1 root 15697: case 0xfe: pcbios_int_10h_feh(); break;
15698: case 0xff: pcbios_int_10h_ffh(); break;
15699: default:
1.1.1.22 root 15700: 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));
15701: m_CF = 1;
1.1 root 15702: break;
15703: }
15704: break;
15705: case 0x11:
15706: // PC BIOS - Get Equipment List
1.1.1.26 root 15707: REG16(AX) = msdos_get_equipment();
1.1 root 15708: break;
15709: case 0x12:
15710: // PC BIOS - Get Memory Size
1.1.1.33 root 15711: REG16(AX) = *(UINT16 *)(mem + 0x413);
1.1 root 15712: break;
15713: case 0x13:
1.1.1.42 root 15714: // PC BIOS - Disk I/O
15715: {
15716: static UINT8 last = 0x00;
15717: switch(REG8(AH)) {
15718: case 0x00: pcbios_int_13h_00h(); break;
15719: case 0x01: // get last status
15720: REG8(AH) = last;
15721: break;
15722: case 0x02: pcbios_int_13h_02h(); break;
15723: case 0x03: pcbios_int_13h_03h(); break;
15724: case 0x04: pcbios_int_13h_04h(); break;
15725: case 0x08: pcbios_int_13h_08h(); break;
15726: case 0x0a: pcbios_int_13h_02h(); break;
15727: case 0x0b: pcbios_int_13h_03h(); break;
15728: case 0x0d: pcbios_int_13h_00h(); break;
15729: case 0x10: pcbios_int_13h_10h(); break;
15730: case 0x15: pcbios_int_13h_15h(); break;
1.1.1.43 root 15731: case 0x41: pcbios_int_13h_41h(); break;
1.1.1.42 root 15732: case 0x05: // format
15733: case 0x06:
15734: case 0x07:
15735: REG8(AH) = 0x0c; // unsupported track or invalid media
15736: m_CF = 1;
15737: break;
15738: case 0x09:
15739: case 0x0c: // seek
15740: case 0x11: // recalib
15741: case 0x14:
15742: case 0x17:
15743: REG8(AH) = 0x00; // successful completion
15744: break;
1.1.1.43 root 15745: case 0x21: // QUICKCACHE II v4.20 - Flush Cache
15746: case 0xa1: // Super PC-Kwik v3.20+ - Flush Cache
15747: REG8(AH) = 0x01; // invalid function
15748: m_CF = 1;
15749: break;
1.1.1.42 root 15750: default:
15751: 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));
15752: REG8(AH) = 0x01; // invalid function
15753: m_CF = 1;
15754: break;
15755: }
15756: last = REG8(AH);
15757: }
1.1 root 15758: break;
15759: case 0x14:
15760: // PC BIOS - Serial I/O
1.1.1.25 root 15761: switch(REG8(AH)) {
15762: case 0x00: pcbios_int_14h_00h(); break;
15763: case 0x01: pcbios_int_14h_01h(); break;
15764: case 0x02: pcbios_int_14h_02h(); break;
15765: case 0x03: pcbios_int_14h_03h(); break;
15766: case 0x04: pcbios_int_14h_04h(); break;
15767: case 0x05: pcbios_int_14h_05h(); break;
15768: default:
15769: 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));
15770: break;
15771: }
1.1 root 15772: break;
15773: case 0x15:
15774: // PC BIOS
1.1.1.3 root 15775: m_CF = 0;
1.1 root 15776: switch(REG8(AH)) {
1.1.1.14 root 15777: case 0x10: pcbios_int_15h_10h(); break;
1.1 root 15778: case 0x23: pcbios_int_15h_23h(); break;
15779: case 0x24: pcbios_int_15h_24h(); break;
1.1.1.24 root 15780: case 0x41: break;
1.1 root 15781: case 0x49: pcbios_int_15h_49h(); break;
1.1.1.22 root 15782: case 0x50: pcbios_int_15h_50h(); break;
1.1.1.30 root 15783: case 0x53: pcbios_int_15h_53h(); break;
1.1.1.43 root 15784: case 0x84: pcbios_int_15h_84h(); break;
1.1 root 15785: case 0x86: pcbios_int_15h_86h(); break;
15786: case 0x87: pcbios_int_15h_87h(); break;
15787: case 0x88: pcbios_int_15h_88h(); break;
15788: case 0x89: pcbios_int_15h_89h(); break;
1.1.1.21 root 15789: case 0x8a: pcbios_int_15h_8ah(); break;
1.1.1.22 root 15790: case 0xc0: // PS/2 ???
15791: case 0xc1:
15792: case 0xc2:
1.1.1.30 root 15793: case 0xc3: // PS50+ ???
15794: case 0xc4:
1.1.1.22 root 15795: REG8(AH) = 0x86;
15796: m_CF = 1;
15797: break;
1.1.1.3 root 15798: #if defined(HAS_I386)
1.1 root 15799: case 0xc9: pcbios_int_15h_c9h(); break;
1.1.1.3 root 15800: #endif
1.1 root 15801: case 0xca: pcbios_int_15h_cah(); break;
1.1.1.22 root 15802: case 0xe8: pcbios_int_15h_e8h(); break;
1.1 root 15803: default:
1.1.1.22 root 15804: 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));
15805: REG8(AH) = 0x86;
1.1.1.3 root 15806: m_CF = 1;
1.1 root 15807: break;
15808: }
15809: break;
15810: case 0x16:
15811: // PC BIOS - Keyboard
1.1.1.3 root 15812: m_CF = 0;
1.1 root 15813: switch(REG8(AH)) {
15814: case 0x00: pcbios_int_16h_00h(); break;
15815: case 0x01: pcbios_int_16h_01h(); break;
15816: case 0x02: pcbios_int_16h_02h(); break;
15817: case 0x03: pcbios_int_16h_03h(); break;
15818: case 0x05: pcbios_int_16h_05h(); break;
15819: case 0x10: pcbios_int_16h_00h(); break;
15820: case 0x11: pcbios_int_16h_01h(); break;
15821: case 0x12: pcbios_int_16h_12h(); break;
15822: case 0x13: pcbios_int_16h_13h(); break;
15823: case 0x14: pcbios_int_16h_14h(); break;
1.1.1.24 root 15824: case 0x55: pcbios_int_16h_55h(); break;
1.1.1.30 root 15825: case 0x6f: pcbios_int_16h_6fh(); break;
1.1.1.22 root 15826: case 0xda: break; // unknown
1.1.1.43 root 15827: case 0xdb: break; // unknown
1.1.1.22 root 15828: case 0xff: break; // unknown
1.1 root 15829: default:
1.1.1.22 root 15830: 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 15831: break;
15832: }
15833: break;
15834: case 0x17:
15835: // PC BIOS - Printer
1.1.1.37 root 15836: m_CF = 0;
15837: switch(REG8(AH)) {
15838: case 0x00: pcbios_int_17h_00h(); break;
15839: case 0x01: pcbios_int_17h_01h(); break;
15840: case 0x02: pcbios_int_17h_02h(); break;
15841: case 0x03: pcbios_int_17h_03h(); break;
15842: case 0x50: pcbios_int_17h_50h(); break;
15843: case 0x51: pcbios_int_17h_51h(); break;
15844: case 0x52: pcbios_int_17h_52h(); break;
15845: case 0x84: pcbios_int_17h_84h(); break;
15846: case 0x85: pcbios_int_17h_85h(); break;
15847: default:
15848: 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));
15849: break;
15850: }
1.1 root 15851: break;
15852: case 0x1a:
15853: // PC BIOS - Timer
1.1.1.3 root 15854: m_CF = 0;
1.1 root 15855: switch(REG8(AH)) {
15856: case 0x00: pcbios_int_1ah_00h(); break;
15857: case 0x01: break;
15858: case 0x02: pcbios_int_1ah_02h(); break;
15859: case 0x03: break;
15860: case 0x04: pcbios_int_1ah_04h(); break;
15861: case 0x05: break;
15862: case 0x0a: pcbios_int_1ah_0ah(); break;
15863: case 0x0b: break;
1.1.1.14 root 15864: case 0x35: break; // Word Perfect Third Party Interface?
15865: case 0x36: break; // Word Perfect Third Party Interface
15866: case 0x70: break; // SNAP? (Simple Network Application Protocol)
1.1.1.44 root 15867: case 0xb0: break; // Microsoft Real-Time Compression Interface (MRCI)
1.1.1.43 root 15868: case 0xb1: break; // PCI BIOS v2.0c+
15869: case 0xb4: break; // Intel Plug-and-Play Auto-Configuration
1.1 root 15870: default:
1.1.1.22 root 15871: 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 15872: break;
15873: }
15874: break;
1.1.1.33 root 15875: case 0x1b:
15876: mem[0x471] = 0x00;
15877: break;
1.1 root 15878: case 0x20:
1.1.1.28 root 15879: try {
15880: msdos_process_terminate(SREG(CS), retval, 1);
15881: } catch(...) {
15882: fatalerror("failed to terminate the process (PSP=%04X) by int 20h\n", SREG(CS));
15883: }
1.1 root 15884: break;
1.1.1.46 root 15885: case 0x6f:
15886: // dummy interrupt for case map routine pointed in the country info
15887: // if(!(REG8(CL) >= 0x00 && REG8(CL) <= 0x24)) {
15888: // REG8(AL) = 0x00;
15889: // break;
15890: // }
1.1 root 15891: case 0x21:
15892: // MS-DOS System Call
1.1.1.3 root 15893: m_CF = 0;
1.1.1.28 root 15894: try {
1.1.1.46 root 15895: switch(num == 0x21 ? REG8(AH) : REG8(CL)) {
1.1.1.28 root 15896: case 0x00: msdos_int_21h_00h(); break;
15897: case 0x01: msdos_int_21h_01h(); break;
15898: case 0x02: msdos_int_21h_02h(); break;
15899: case 0x03: msdos_int_21h_03h(); break;
15900: case 0x04: msdos_int_21h_04h(); break;
15901: case 0x05: msdos_int_21h_05h(); break;
15902: case 0x06: msdos_int_21h_06h(); break;
15903: case 0x07: msdos_int_21h_07h(); break;
15904: case 0x08: msdos_int_21h_08h(); break;
15905: case 0x09: msdos_int_21h_09h(); break;
15906: case 0x0a: msdos_int_21h_0ah(); break;
15907: case 0x0b: msdos_int_21h_0bh(); break;
15908: case 0x0c: msdos_int_21h_0ch(); break;
15909: case 0x0d: msdos_int_21h_0dh(); break;
15910: case 0x0e: msdos_int_21h_0eh(); break;
15911: case 0x0f: msdos_int_21h_0fh(); break;
15912: case 0x10: msdos_int_21h_10h(); break;
15913: case 0x11: msdos_int_21h_11h(); break;
15914: case 0x12: msdos_int_21h_12h(); break;
15915: case 0x13: msdos_int_21h_13h(); break;
15916: case 0x14: msdos_int_21h_14h(); break;
15917: case 0x15: msdos_int_21h_15h(); break;
15918: case 0x16: msdos_int_21h_16h(); break;
15919: case 0x17: msdos_int_21h_17h(); break;
15920: case 0x18: msdos_int_21h_18h(); break;
15921: case 0x19: msdos_int_21h_19h(); break;
15922: case 0x1a: msdos_int_21h_1ah(); break;
15923: case 0x1b: msdos_int_21h_1bh(); break;
15924: case 0x1c: msdos_int_21h_1ch(); break;
15925: case 0x1d: msdos_int_21h_1dh(); break;
15926: case 0x1e: msdos_int_21h_1eh(); break;
15927: case 0x1f: msdos_int_21h_1fh(); break;
15928: case 0x20: msdos_int_21h_20h(); break;
15929: case 0x21: msdos_int_21h_21h(); break;
15930: case 0x22: msdos_int_21h_22h(); break;
15931: case 0x23: msdos_int_21h_23h(); break;
15932: case 0x24: msdos_int_21h_24h(); break;
15933: case 0x25: msdos_int_21h_25h(); break;
15934: case 0x26: msdos_int_21h_26h(); break;
15935: case 0x27: msdos_int_21h_27h(); break;
15936: case 0x28: msdos_int_21h_28h(); break;
15937: case 0x29: msdos_int_21h_29h(); break;
15938: case 0x2a: msdos_int_21h_2ah(); break;
15939: case 0x2b: msdos_int_21h_2bh(); break;
15940: case 0x2c: msdos_int_21h_2ch(); break;
15941: case 0x2d: msdos_int_21h_2dh(); break;
15942: case 0x2e: msdos_int_21h_2eh(); break;
15943: case 0x2f: msdos_int_21h_2fh(); break;
15944: case 0x30: msdos_int_21h_30h(); break;
15945: case 0x31: msdos_int_21h_31h(); break;
15946: case 0x32: msdos_int_21h_32h(); break;
15947: case 0x33: msdos_int_21h_33h(); break;
15948: case 0x34: msdos_int_21h_34h(); break;
15949: case 0x35: msdos_int_21h_35h(); break;
15950: case 0x36: msdos_int_21h_36h(); break;
15951: case 0x37: msdos_int_21h_37h(); break;
15952: case 0x38: msdos_int_21h_38h(); break;
15953: case 0x39: msdos_int_21h_39h(0); break;
15954: case 0x3a: msdos_int_21h_3ah(0); break;
15955: case 0x3b: msdos_int_21h_3bh(0); break;
15956: case 0x3c: msdos_int_21h_3ch(); break;
15957: case 0x3d: msdos_int_21h_3dh(); break;
15958: case 0x3e: msdos_int_21h_3eh(); break;
15959: case 0x3f: msdos_int_21h_3fh(); break;
15960: case 0x40: msdos_int_21h_40h(); break;
15961: case 0x41: msdos_int_21h_41h(0); break;
15962: case 0x42: msdos_int_21h_42h(); break;
15963: case 0x43: msdos_int_21h_43h(0); break;
15964: case 0x44: msdos_int_21h_44h(); break;
15965: case 0x45: msdos_int_21h_45h(); break;
15966: case 0x46: msdos_int_21h_46h(); break;
15967: case 0x47: msdos_int_21h_47h(0); break;
15968: case 0x48: msdos_int_21h_48h(); break;
15969: case 0x49: msdos_int_21h_49h(); break;
15970: case 0x4a: msdos_int_21h_4ah(); break;
15971: case 0x4b: msdos_int_21h_4bh(); break;
15972: case 0x4c: msdos_int_21h_4ch(); break;
15973: case 0x4d: msdos_int_21h_4dh(); break;
15974: case 0x4e: msdos_int_21h_4eh(); break;
15975: case 0x4f: msdos_int_21h_4fh(); break;
15976: case 0x50: msdos_int_21h_50h(); break;
15977: case 0x51: msdos_int_21h_51h(); break;
15978: case 0x52: msdos_int_21h_52h(); break;
1.1.1.43 root 15979: case 0x53: msdos_int_21h_53h(); break;
1.1.1.28 root 15980: case 0x54: msdos_int_21h_54h(); break;
15981: case 0x55: msdos_int_21h_55h(); break;
15982: case 0x56: msdos_int_21h_56h(0); break;
15983: case 0x57: msdos_int_21h_57h(); break;
15984: case 0x58: msdos_int_21h_58h(); break;
15985: case 0x59: msdos_int_21h_59h(); break;
15986: case 0x5a: msdos_int_21h_5ah(); break;
15987: case 0x5b: msdos_int_21h_5bh(); break;
15988: case 0x5c: msdos_int_21h_5ch(); break;
15989: case 0x5d: msdos_int_21h_5dh(); break;
1.1.1.42 root 15990: case 0x5e: msdos_int_21h_5eh(); break;
1.1.1.30 root 15991: case 0x5f: msdos_int_21h_5fh(); break;
1.1.1.28 root 15992: case 0x60: msdos_int_21h_60h(0); break;
15993: case 0x61: msdos_int_21h_61h(); break;
15994: case 0x62: msdos_int_21h_62h(); break;
15995: case 0x63: msdos_int_21h_63h(); break;
1.1.1.33 root 15996: // 0x64: Set Device Driver Lockahead Flag
1.1.1.28 root 15997: case 0x65: msdos_int_21h_65h(); break;
15998: case 0x66: msdos_int_21h_66h(); break;
15999: case 0x67: msdos_int_21h_67h(); break;
16000: case 0x68: msdos_int_21h_68h(); break;
16001: case 0x69: msdos_int_21h_69h(); break;
16002: case 0x6a: msdos_int_21h_6ah(); break;
16003: case 0x6b: msdos_int_21h_6bh(); break;
16004: case 0x6c: msdos_int_21h_6ch(0); break;
1.1.1.33 root 16005: // 0x6d: Find First ROM Program
16006: // 0x6e: Find Next ROM Program
16007: // 0x6f: Get/Set ROM Scan Start Address
1.1.1.43 root 16008: case 0x70: msdos_int_21h_70h(); break;
1.1.1.28 root 16009: case 0x71:
1.1.1.33 root 16010: // Windows95 - Long Filename Functions
1.1.1.28 root 16011: switch(REG8(AL)) {
16012: case 0x0d: msdos_int_21h_710dh(); break;
16013: case 0x39: msdos_int_21h_39h(1); break;
16014: case 0x3a: msdos_int_21h_3ah(1); break;
16015: case 0x3b: msdos_int_21h_3bh(1); break;
16016: case 0x41: msdos_int_21h_7141h(1); break;
16017: case 0x43: msdos_int_21h_43h(1); break;
16018: case 0x47: msdos_int_21h_47h(1); break;
16019: case 0x4e: msdos_int_21h_714eh(); break;
16020: case 0x4f: msdos_int_21h_714fh(); break;
16021: case 0x56: msdos_int_21h_56h(1); break;
16022: case 0x60: msdos_int_21h_60h(1); break;
16023: case 0x6c: msdos_int_21h_6ch(1); break;
16024: case 0xa0: msdos_int_21h_71a0h(); break;
16025: case 0xa1: msdos_int_21h_71a1h(); break;
16026: case 0xa6: msdos_int_21h_71a6h(); break;
16027: case 0xa7: msdos_int_21h_71a7h(); break;
16028: case 0xa8: msdos_int_21h_71a8h(); break;
1.1.1.45 root 16029: case 0xa9: msdos_int_21h_6ch(1); break;
1.1.1.28 root 16030: case 0xaa: msdos_int_21h_71aah(); break;
16031: default:
16032: 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));
16033: REG16(AX) = 0x7100;
16034: m_CF = 1;
16035: break;
16036: }
16037: break;
16038: // 0x72: Windows95 beta - LFN FindClose
16039: case 0x73:
1.1.1.33 root 16040: // Windows95 - FAT32 Functions
1.1.1.28 root 16041: switch(REG8(AL)) {
16042: case 0x00: msdos_int_21h_7300h(); break;
1.1.1.33 root 16043: // 0x01: Set Drive Locking ???
1.1.1.28 root 16044: case 0x02: msdos_int_21h_7302h(); break;
16045: case 0x03: msdos_int_21h_7303h(); break;
1.1.1.33 root 16046: // 0x04: Set DPB to Use for Formatting
16047: // 0x05: Extended Absolute Disk Read/Write
1.1.1.28 root 16048: default:
16049: 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));
16050: REG16(AX) = 0x7300;
16051: m_CF = 1;
16052: break;
16053: }
1.1 root 16054: break;
1.1.1.30 root 16055: case 0xdb: msdos_int_21h_dbh(); break;
16056: case 0xdc: msdos_int_21h_dch(); break;
1.1 root 16057: default:
1.1.1.22 root 16058: 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 16059: REG16(AX) = 0x01;
1.1.1.3 root 16060: m_CF = 1;
1.1 root 16061: break;
16062: }
1.1.1.28 root 16063: } catch(int error) {
16064: REG16(AX) = error;
16065: m_CF = 1;
16066: } catch(...) {
16067: REG16(AX) = 0x1f; // general failure
1.1.1.3 root 16068: m_CF = 1;
1.1 root 16069: }
1.1.1.3 root 16070: if(m_CF) {
1.1.1.23 root 16071: sda_t *sda = (sda_t *)(mem + SDA_TOP);
1.1.1.47! root 16072: sda->int21h_5d0ah_called = 0;
1.1.1.23 root 16073: sda->extended_error_code = REG16(AX);
16074: switch(sda->extended_error_code) {
16075: case 4: // Too many open files
16076: case 8: // Insufficient memory
16077: sda->error_class = 1; // Out of resource
16078: break;
16079: case 5: // Access denied
16080: sda->error_class = 3; // Authorization
16081: break;
16082: case 7: // Memory control block destroyed
16083: sda->error_class = 4; // Internal
16084: break;
16085: case 2: // File not found
16086: case 3: // Path not found
16087: case 15: // Invaid drive specified
16088: case 18: // No more files
16089: sda->error_class = 8; // Not found
16090: break;
16091: case 32: // Sharing violation
16092: case 33: // Lock violation
16093: sda->error_class = 10; // Locked
16094: break;
16095: // case 16: // Removal of current directory attempted
16096: case 19: // Attempted write on protected disk
16097: case 21: // Drive not ready
16098: // case 29: // Write failure
16099: // case 30: // Read failure
16100: // case 82: // Cannot create subdirectory
16101: sda->error_class = 11; // Media
16102: break;
16103: case 80: // File already exists
16104: sda->error_class = 12; // Already exist
16105: break;
16106: default:
16107: sda->error_class = 13; // Unknown
16108: break;
16109: }
16110: sda->suggested_action = 1; // Retry
16111: sda->locus_of_last_error = 1; // Unknown
1.1 root 16112: }
1.1.1.33 root 16113: if(ctrl_break_checking && ctrl_break_detected) {
1.1.1.26 root 16114: // raise int 23h
16115: #if defined(HAS_I386)
16116: m_ext = 0; // not an external interrupt
16117: i386_trap(0x23, 1, 0);
16118: m_ext = 1;
16119: #else
16120: PREFIX86(_interrupt)(0x23);
16121: #endif
16122: }
1.1 root 16123: break;
16124: case 0x22:
16125: fatalerror("int 22h (terminate address)\n");
16126: case 0x23:
1.1.1.28 root 16127: try {
16128: msdos_process_terminate(current_psp, (retval & 0xff) | 0x100, 1);
16129: } catch(...) {
16130: fatalerror("failed to terminate the current process by int 23h\n");
16131: }
1.1 root 16132: break;
16133: case 0x24:
1.1.1.32 root 16134: /*
1.1.1.28 root 16135: try {
16136: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
16137: } catch(...) {
16138: fatalerror("failed to terminate the current process by int 24h\n");
16139: }
1.1.1.32 root 16140: */
16141: msdos_int_24h();
1.1 root 16142: break;
16143: case 0x25:
16144: msdos_int_25h();
16145: break;
16146: case 0x26:
16147: msdos_int_26h();
16148: break;
16149: case 0x27:
1.1.1.28 root 16150: try {
16151: msdos_int_27h();
16152: } catch(...) {
16153: fatalerror("failed to terminate the process (PSP=%04X) by int 27h\n", SREG(CS));
16154: }
1.1 root 16155: break;
16156: case 0x28:
16157: Sleep(10);
1.1.1.35 root 16158: REQUEST_HARDWRE_UPDATE();
1.1 root 16159: break;
16160: case 0x29:
16161: msdos_int_29h();
16162: break;
16163: case 0x2e:
16164: msdos_int_2eh();
16165: break;
16166: case 0x2f:
16167: // multiplex interrupt
16168: switch(REG8(AH)) {
1.1.1.22 root 16169: case 0x05: msdos_int_2fh_05h(); break;
1.1.1.44 root 16170: case 0x06: msdos_int_2fh_06h(); break;
1.1.1.22 root 16171: case 0x11: msdos_int_2fh_11h(); break;
1.1.1.21 root 16172: case 0x12: msdos_int_2fh_12h(); break;
1.1.1.30 root 16173: case 0x13: msdos_int_2fh_13h(); break;
1.1.1.22 root 16174: case 0x14: msdos_int_2fh_14h(); break;
16175: case 0x15: msdos_int_2fh_15h(); break;
1.1 root 16176: case 0x16: msdos_int_2fh_16h(); break;
1.1.1.22 root 16177: case 0x19: msdos_int_2fh_19h(); break;
1.1 root 16178: case 0x1a: msdos_int_2fh_1ah(); break;
1.1.1.30 root 16179: case 0x40: msdos_int_2fh_40h(); break;
1.1 root 16180: case 0x43: msdos_int_2fh_43h(); break;
1.1.1.22 root 16181: case 0x46: msdos_int_2fh_46h(); break;
16182: case 0x48: msdos_int_2fh_48h(); break;
1.1 root 16183: case 0x4a: msdos_int_2fh_4ah(); break;
1.1.1.22 root 16184: case 0x4b: msdos_int_2fh_4bh(); break;
1.1.1.44 root 16185: case 0x4d: msdos_int_2fh_4dh(); break;
1.1 root 16186: case 0x4f: msdos_int_2fh_4fh(); break;
1.1.1.22 root 16187: case 0x55: msdos_int_2fh_55h(); break;
1.1.1.44 root 16188: case 0x56: msdos_int_2fh_56h(); break;
1.1.1.24 root 16189: case 0xad: msdos_int_2fh_adh(); break;
1.1 root 16190: case 0xae: msdos_int_2fh_aeh(); break;
1.1.1.34 root 16191: case 0xb7: msdos_int_2fh_b7h(); break;
1.1.1.43 root 16192: default:
1.1.1.30 root 16193: switch(REG8(AL)) {
16194: case 0x00:
16195: // This is not installed
16196: // REG8(AL) = 0x00;
16197: break;
1.1.1.33 root 16198: case 0x01:
1.1.1.42 root 16199: // Quarterdeck RPCI - QEMM/QRAM - PCL-838.EXE is not installed
16200: if(REG8(AH) == 0xd2 && REG16(BX) == 0x5145 && REG16(CX) == 0x4d4d && REG16(DX) == 0x3432) {
16201: break;
16202: }
1.1.1.33 root 16203: // Banyan VINES v4+ is not installed
16204: if(REG8(AH) == 0xd7 && REG16(BX) == 0x0000) {
16205: break;
16206: }
1.1.1.42 root 16207: // Quarterdeck QDPMI.SYS v1.0 is not installed
16208: if(REG8(AH) == 0xde && REG16(BX) == 0x4450 && REG16(CX) == 0x4d49 && REG16(DX) == 0x8f4f) {
16209: break;
16210: }
1.1.1.30 root 16211: default:
1.1.1.42 root 16212: // NORTON UTILITIES 5.0+
16213: if(REG8(AH) == 0xfe && REG16(DI) == 0x4e55) {
16214: break;
16215: }
1.1.1.30 root 16216: 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 16217: REG16(AX) = 0x01; // invalid function
1.1.1.30 root 16218: m_CF = 1;
16219: break;
16220: }
16221: break;
1.1 root 16222: }
16223: break;
1.1.1.24 root 16224: case 0x33:
16225: switch(REG8(AH)) {
16226: case 0x00:
16227: // Mouse
16228: switch(REG8(AL)) {
16229: case 0x00: msdos_int_33h_0000h(); break;
16230: case 0x01: msdos_int_33h_0001h(); break;
16231: case 0x02: msdos_int_33h_0002h(); break;
16232: case 0x03: msdos_int_33h_0003h(); break;
1.1.1.34 root 16233: case 0x04: msdos_int_33h_0004h(); break;
1.1.1.24 root 16234: case 0x05: msdos_int_33h_0005h(); break;
16235: case 0x06: msdos_int_33h_0006h(); break;
16236: case 0x07: msdos_int_33h_0007h(); break;
16237: case 0x08: msdos_int_33h_0008h(); break;
16238: case 0x09: msdos_int_33h_0009h(); break;
1.1.1.34 root 16239: case 0x0a: break; // Define Text Cursor
1.1.1.24 root 16240: case 0x0b: msdos_int_33h_000bh(); break;
16241: case 0x0c: msdos_int_33h_000ch(); break;
1.1.1.34 root 16242: case 0x0d: break; // Light Pen Emulation On
16243: case 0x0e: break; // Light Pen Emulation Off
1.1.1.24 root 16244: case 0x0f: msdos_int_33h_000fh(); break;
1.1.1.34 root 16245: case 0x10: break; // Define Screen Region for Updating
1.1.1.24 root 16246: case 0x11: msdos_int_33h_0011h(); break;
1.1.1.34 root 16247: case 0x12: REG16(AX) = 0xffff; break; // Set Large Graphics Cursor Block
16248: case 0x13: break; // Define Double-Speed Threshold
1.1.1.24 root 16249: case 0x14: msdos_int_33h_0014h(); break;
16250: case 0x15: msdos_int_33h_0015h(); break;
16251: case 0x16: msdos_int_33h_0016h(); break;
16252: case 0x17: msdos_int_33h_0017h(); break;
1.1.1.43 root 16253: case 0x18: msdos_int_33h_0018h(); break;
16254: case 0x19: msdos_int_33h_0019h(); break;
1.1.1.24 root 16255: case 0x1a: msdos_int_33h_001ah(); break;
16256: case 0x1b: msdos_int_33h_001bh(); break;
16257: case 0x1d: msdos_int_33h_001dh(); break;
16258: case 0x1e: msdos_int_33h_001eh(); break;
1.1.1.34 root 16259: case 0x1f: msdos_int_33h_001fh(); break;
16260: case 0x20: msdos_int_33h_0020h(); break;
1.1.1.24 root 16261: case 0x21: msdos_int_33h_0021h(); break;
16262: case 0x22: msdos_int_33h_0022h(); break;
16263: case 0x23: msdos_int_33h_0023h(); break;
16264: case 0x24: msdos_int_33h_0024h(); break;
16265: case 0x26: msdos_int_33h_0026h(); break;
16266: case 0x2a: msdos_int_33h_002ah(); break;
1.1.1.34 root 16267: case 0x2f: break; // Mouse Hardware Reset
1.1.1.24 root 16268: case 0x31: msdos_int_33h_0031h(); break;
16269: case 0x32: msdos_int_33h_0032h(); break;
16270: default:
16271: 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));
16272: break;
16273: }
16274: break;
16275: default:
16276: 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));
16277: break;
16278: }
16279: break;
1.1.1.19 root 16280: case 0x68:
16281: // dummy interrupt for EMS (int 67h)
16282: switch(REG8(AH)) {
16283: case 0x40: msdos_int_67h_40h(); break;
16284: case 0x41: msdos_int_67h_41h(); break;
16285: case 0x42: msdos_int_67h_42h(); break;
16286: case 0x43: msdos_int_67h_43h(); break;
16287: case 0x44: msdos_int_67h_44h(); break;
16288: case 0x45: msdos_int_67h_45h(); break;
16289: case 0x46: msdos_int_67h_46h(); break;
16290: case 0x47: msdos_int_67h_47h(); break;
16291: case 0x48: msdos_int_67h_48h(); break;
1.1.1.20 root 16292: // 0x49: LIM EMS - Reserved - Get I/O Port Address (Undocumented in EMS 3.2)
16293: // 0x4a: LIM EMS - Reserved - Get Translation Array (Undocumented in EMS 3.2)
1.1.1.19 root 16294: case 0x4b: msdos_int_67h_4bh(); break;
16295: case 0x4c: msdos_int_67h_4ch(); break;
16296: case 0x4d: msdos_int_67h_4dh(); break;
1.1.1.20 root 16297: case 0x4e: msdos_int_67h_4eh(); break;
1.1.1.21 root 16298: case 0x4f: msdos_int_67h_4fh(); break;
1.1.1.20 root 16299: case 0x50: msdos_int_67h_50h(); break;
1.1.1.19 root 16300: case 0x51: msdos_int_67h_51h(); break;
1.1.1.20 root 16301: case 0x52: msdos_int_67h_52h(); break;
1.1.1.19 root 16302: case 0x53: msdos_int_67h_53h(); break;
16303: case 0x54: msdos_int_67h_54h(); break;
1.1.1.20 root 16304: // 0x55: LIM EMS 4.0 - Alter Page Map And JUMP
16305: // 0x56: LIM EMS 4.0 - Alter Page Map And CALL
16306: case 0x57: msdos_int_67h_57h(); break;
16307: case 0x58: msdos_int_67h_58h(); break;
1.1.1.42 root 16308: case 0x59: msdos_int_67h_59h(); break;
1.1.1.20 root 16309: case 0x5a: msdos_int_67h_5ah(); break;
16310: // 0x5b: LIM EMS 4.0 - Alternate Map Register Set (for DOS Kernel)
1.1.1.43 root 16311: // 0x5c: LIM EMS 4.0 - Prepare Expanded Memory Hardware For Warm Boot
16312: case 0x5d: msdos_int_67h_5dh(); break;
1.1.1.31 root 16313: // 0x60: EEMS - Get Physical Window Array
16314: // 0x61: EEMS - Generic Accelerator Card Support
16315: // 0x68: EEMS - Get Address of All Pge Frames om System
16316: // 0x69: EEMS - Map Page into Frame
16317: // 0x6a: EEMS - Page Mapping
16318: // 0xde: VCPI
1.1.1.30 root 16319: case 0xde: msdos_int_67h_deh(); break;
1.1.1.19 root 16320: default:
1.1.1.22 root 16321: 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 16322: REG8(AH) = 0x84;
16323: break;
16324: }
16325: break;
16326: #ifdef SUPPORT_XMS
16327: case 0x69:
16328: // dummy interrupt for XMS (call far)
1.1.1.28 root 16329: try {
16330: switch(REG8(AH)) {
16331: case 0x00: msdos_call_xms_00h(); break;
16332: case 0x01: msdos_call_xms_01h(); break;
16333: case 0x02: msdos_call_xms_02h(); break;
16334: case 0x03: msdos_call_xms_03h(); break;
16335: case 0x04: msdos_call_xms_04h(); break;
16336: case 0x05: msdos_call_xms_05h(); break;
16337: case 0x06: msdos_call_xms_06h(); break;
16338: case 0x07: msdos_call_xms_07h(); break;
16339: case 0x08: msdos_call_xms_08h(); break;
16340: case 0x09: msdos_call_xms_09h(); break;
16341: case 0x0a: msdos_call_xms_0ah(); break;
16342: case 0x0b: msdos_call_xms_0bh(); break;
16343: case 0x0c: msdos_call_xms_0ch(); break;
16344: case 0x0d: msdos_call_xms_0dh(); break;
16345: case 0x0e: msdos_call_xms_0eh(); break;
16346: case 0x0f: msdos_call_xms_0fh(); break;
16347: case 0x10: msdos_call_xms_10h(); break;
16348: case 0x11: msdos_call_xms_11h(); break;
16349: case 0x12: msdos_call_xms_12h(); break;
1.1.1.29 root 16350: #if defined(HAS_I386)
16351: case 0x88: msdos_call_xms_88h(); break;
16352: case 0x89: msdos_call_xms_89h(); break;
16353: case 0x8e: msdos_call_xms_8eh(); break;
16354: case 0x8f: msdos_call_xms_8fh(); break;
16355: #endif
1.1.1.28 root 16356: default:
16357: 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));
16358: REG16(AX) = 0x0000;
16359: REG8(BL) = 0x80; // function not implemented
16360: break;
16361: }
16362: } catch(...) {
1.1.1.19 root 16363: REG16(AX) = 0x0000;
1.1.1.28 root 16364: REG8(BL) = 0x8f; // unrecoverable driver error
1.1.1.19 root 16365: }
16366: break;
16367: #endif
16368: case 0x6a:
1.1.1.24 root 16369: // irq12 (mouse)
16370: mouse_push_ax = REG16(AX);
16371: mouse_push_bx = REG16(BX);
16372: mouse_push_cx = REG16(CX);
16373: mouse_push_dx = REG16(DX);
16374: mouse_push_si = REG16(SI);
16375: mouse_push_di = REG16(DI);
16376:
1.1.1.43 root 16377: if(mouse.status_irq && mouse.call_addr.dw) {
1.1.1.24 root 16378: REG16(AX) = mouse.status_irq;
16379: REG16(BX) = mouse.get_buttons();
1.1.1.34 root 16380: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.position.x));
16381: REG16(DX) = max(mouse.min_position.y & ~7, min(mouse.max_position.y & ~7, mouse.position.y));
1.1.1.24 root 16382: REG16(SI) = REG16(CX) * mouse.mickey.x / 8;
16383: REG16(DI) = REG16(DX) * mouse.mickey.y / 8;
16384:
16385: mem[0xfffd0 + 0x02] = 0x9a; // call far
16386: mem[0xfffd0 + 0x03] = mouse.call_addr.w.l & 0xff;
16387: mem[0xfffd0 + 0x04] = mouse.call_addr.w.l >> 8;
16388: mem[0xfffd0 + 0x05] = mouse.call_addr.w.h & 0xff;
16389: mem[0xfffd0 + 0x06] = mouse.call_addr.w.h >> 8;
1.1.1.43 root 16390: break;
1.1.1.24 root 16391: }
1.1.1.43 root 16392: for(int i = 0; i < 8; i++) {
16393: if((mouse.status_irq_alt & (1 << i)) && mouse.call_addr_alt[i].dw) {
16394: REG16(AX) = mouse.status_irq_alt;
16395: REG16(BX) = mouse.get_buttons();
16396: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.position.x));
16397: REG16(DX) = max(mouse.min_position.y & ~7, min(mouse.max_position.y & ~7, mouse.position.y));
16398: REG16(SI) = REG16(CX) * mouse.mickey.x / 8;
16399: REG16(DI) = REG16(DX) * mouse.mickey.y / 8;
16400:
16401: mem[0xfffd0 + 0x02] = 0x9a; // call far
16402: mem[0xfffd0 + 0x03] = mouse.call_addr_alt[i].w.l & 0xff;
16403: mem[0xfffd0 + 0x04] = mouse.call_addr_alt[i].w.l >> 8;
16404: mem[0xfffd0 + 0x05] = mouse.call_addr_alt[i].w.h & 0xff;
16405: mem[0xfffd0 + 0x06] = mouse.call_addr_alt[i].w.h >> 8;
16406: break;
16407: }
16408: }
16409: // invalid call addr :-(
16410: mem[0xfffd0 + 0x02] = 0x90; // nop
16411: mem[0xfffd0 + 0x03] = 0x90; // nop
16412: mem[0xfffd0 + 0x04] = 0x90; // nop
16413: mem[0xfffd0 + 0x05] = 0x90; // nop
16414: mem[0xfffd0 + 0x06] = 0x90; // nop
1.1.1.24 root 16415: break;
16416: case 0x6b:
16417: // end of irq12 (mouse)
16418: REG16(AX) = mouse_push_ax;
16419: REG16(BX) = mouse_push_bx;
16420: REG16(CX) = mouse_push_cx;
16421: REG16(DX) = mouse_push_dx;
16422: REG16(SI) = mouse_push_si;
16423: REG16(DI) = mouse_push_di;
16424:
16425: // EOI
16426: if((pic[1].isr &= ~(1 << 4)) == 0) {
16427: pic[0].isr &= ~(1 << 2); // master
16428: }
16429: pic_update();
16430: break;
16431: case 0x6c:
1.1.1.19 root 16432: // dummy interrupt for case map routine pointed in the country info
16433: if(REG8(AL) >= 0x80) {
16434: char tmp[2] = {0};
16435: tmp[0] = REG8(AL);
16436: my_strupr(tmp);
16437: REG8(AL) = tmp[0];
16438: }
16439: break;
1.1.1.27 root 16440: case 0x6d:
16441: // dummy interrupt for font read routine pointed by int 15h, ax=5000h
16442: REG8(AL) = 0x86; // not supported
16443: m_CF = 1;
16444: break;
1.1.1.32 root 16445: case 0x6e:
16446: // dummy interrupt for parameter error message read routine pointed by int 2fh, ax=122eh, dl=08h
16447: {
16448: UINT16 code = REG16(AX);
16449: if(code & 0xf0) {
16450: code = (code & 7) | ((code & 0x10) >> 1);
16451: }
16452: for(int i = 0; i < array_length(param_error_table); i++) {
16453: if(param_error_table[i].code == code || param_error_table[i].code == (UINT16)-1) {
16454: const char *message = NULL;
16455: if(active_code_page == 932) {
16456: message = param_error_table[i].message_japanese;
16457: }
16458: if(message == NULL) {
16459: message = param_error_table[i].message_english;
16460: }
16461: *(UINT8 *)(mem + WORK_TOP) = strlen(message);
16462: strcpy((char *)(mem + WORK_TOP + 1), message);
16463:
16464: SREG(ES) = WORK_TOP >> 4;
16465: i386_load_segment_descriptor(ES);
16466: REG16(DI) = 0x0000;
16467: break;
16468: }
16469: }
16470: }
16471: break;
1.1.1.8 root 16472: case 0x70:
16473: case 0x71:
16474: case 0x72:
16475: case 0x73:
16476: case 0x74:
16477: case 0x75:
16478: case 0x76:
16479: case 0x77:
16480: // EOI
16481: if((pic[1].isr &= ~(1 << (num - 0x70))) == 0) {
16482: pic[0].isr &= ~(1 << 2); // master
16483: }
16484: pic_update();
16485: break;
1.1 root 16486: default:
1.1.1.22 root 16487: // 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 16488: break;
16489: }
16490:
16491: // update cursor position
16492: if(cursor_moved) {
1.1.1.36 root 16493: pcbios_update_cursor_position();
1.1 root 16494: cursor_moved = false;
16495: }
16496: }
16497:
16498: // init
16499:
16500: int msdos_init(int argc, char *argv[], char *envp[], int standard_env)
16501: {
16502: // init file handler
16503: memset(file_handler, 0, sizeof(file_handler));
16504: msdos_file_handler_open(0, "STDIN", _isatty(0), 0, 0x80d3, 0);
16505: msdos_file_handler_open(1, "STDOUT", _isatty(1), 1, 0x80d3, 0);
16506: msdos_file_handler_open(2, "STDERR", _isatty(2), 1, 0x80d3, 0);
1.1.1.21 root 16507: #ifdef MAP_AUX_DEVICE_TO_FILE
1.1 root 16508: if(_open("stdaux.txt", _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE) == 3) {
1.1.1.21 root 16509: #else
16510: if(_open("NUL", _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE) == 3) {
16511: #endif
16512: msdos_file_handler_open(3, "STDAUX", 0, 2, 0x80c0, 0);
1.1 root 16513: }
1.1.1.21 root 16514: if(_open("NUL", _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE) == 4) {
1.1.1.45 root 16515: // msdos_file_handler_open(4, "STDPRN", 0, 1, 0xa8c0, 0, 0, 1); // LPT1
16516: msdos_file_handler_open(4, "STDPRN", 0, 1, 0x80a0, 0, 0, 1); // LPT1
1.1.1.21 root 16517: }
1.1 root 16518: _dup2(0, DUP_STDIN);
16519: _dup2(1, DUP_STDOUT);
16520: _dup2(2, DUP_STDERR);
1.1.1.21 root 16521: _dup2(3, DUP_STDAUX);
16522: _dup2(4, DUP_STDPRN);
1.1 root 16523:
1.1.1.24 root 16524: // init mouse
16525: memset(&mouse, 0, sizeof(mouse));
1.1.1.34 root 16526: mouse.enabled = true; // from DOSBox
16527: mouse.hidden = 1; // hidden in default ???
16528: mouse.old_hidden = 1; // from DOSBox
16529: mouse.max_position.x = 8 * (scr_width - 1);
16530: mouse.max_position.y = 8 * (scr_height - 1);
1.1.1.24 root 16531: mouse.mickey.x = 8;
16532: mouse.mickey.y = 16;
16533:
1.1.1.26 root 16534: #ifdef SUPPORT_XMS
16535: // init xms
16536: msdos_xms_init();
16537: #endif
16538:
1.1 root 16539: // init process
16540: memset(process, 0, sizeof(process));
16541:
1.1.1.13 root 16542: // init dtainfo
16543: msdos_dta_info_init();
16544:
1.1 root 16545: // init memory
16546: memset(mem, 0, sizeof(mem));
16547:
16548: // bios data area
1.1.1.23 root 16549: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 16550: CONSOLE_SCREEN_BUFFER_INFO csbi;
16551: GetConsoleScreenBufferInfo(hStdout, &csbi);
1.1.1.14 root 16552: CONSOLE_FONT_INFO cfi;
16553: GetCurrentConsoleFont(hStdout, FALSE, &cfi);
16554:
16555: int regen = min(scr_width * scr_height * 2, 0x8000);
16556: text_vram_top_address = TEXT_VRAM_TOP;
16557: text_vram_end_address = text_vram_top_address + regen;
16558: shadow_buffer_top_address = SHADOW_BUF_TOP;
16559: shadow_buffer_end_address = shadow_buffer_top_address + regen;
16560:
16561: if(regen > 0x4000) {
16562: regen = 0x8000;
16563: vram_pages = 1;
16564: } else if(regen > 0x2000) {
16565: regen = 0x4000;
16566: vram_pages = 2;
16567: } else if(regen > 0x1000) {
16568: regen = 0x2000;
16569: vram_pages = 4;
16570: } else {
16571: regen = 0x1000;
16572: vram_pages = 8;
16573: }
1.1 root 16574:
1.1.1.25 root 16575: *(UINT16 *)(mem + 0x400) = 0x3f8; // com1 port address
16576: *(UINT16 *)(mem + 0x402) = 0x2f8; // com2 port address
1.1.1.29 root 16577: *(UINT16 *)(mem + 0x404) = 0x3e8; // com3 port address
16578: *(UINT16 *)(mem + 0x406) = 0x2e8; // com4 port address
1.1.1.25 root 16579: *(UINT16 *)(mem + 0x408) = 0x378; // lpt1 port address
1.1.1.37 root 16580: *(UINT16 *)(mem + 0x40a) = 0x278; // lpt2 port address
16581: *(UINT16 *)(mem + 0x40c) = 0x3bc; // lpt3 port address
1.1.1.32 root 16582: #ifdef EXT_BIOS_TOP
1.1.1.25 root 16583: *(UINT16 *)(mem + 0x40e) = EXT_BIOS_TOP >> 4;
1.1.1.32 root 16584: #endif
1.1.1.26 root 16585: *(UINT16 *)(mem + 0x410) = msdos_get_equipment();
1.1.1.33 root 16586: *(UINT16 *)(mem + 0x413) = MEMORY_END >> 10;
1.1.1.41 root 16587: *(UINT16 *)(mem + 0x41a) = 0x1e;
16588: *(UINT16 *)(mem + 0x41c) = 0x1e;
1.1 root 16589: *(UINT8 *)(mem + 0x449) = 0x03;//0x73;
1.1.1.14 root 16590: *(UINT16 *)(mem + 0x44a) = csbi.dwSize.X;
16591: *(UINT16 *)(mem + 0x44c) = regen;
1.1 root 16592: *(UINT16 *)(mem + 0x44e) = 0;
16593: *(UINT8 *)(mem + 0x450) = csbi.dwCursorPosition.X;
1.1.1.14 root 16594: *(UINT8 *)(mem + 0x451) = csbi.dwCursorPosition.Y - scr_top;
1.1 root 16595: *(UINT8 *)(mem + 0x460) = 7;
16596: *(UINT8 *)(mem + 0x461) = 7;
16597: *(UINT8 *)(mem + 0x462) = 0;
16598: *(UINT16 *)(mem + 0x463) = 0x3d4;
1.1.1.19 root 16599: *(UINT8 *)(mem + 0x465) = 0x09;
16600: *(UINT32 *)(mem + 0x46c) = get_ticks_since_midnight(timeGetTime());
1.1.1.40 root 16601: *(UINT16 *)(mem + 0x472) = 0x4321; // preserve memory in cpu reset
1.1.1.41 root 16602: *(UINT16 *)(mem + 0x480) = 0x1e;
16603: *(UINT16 *)(mem + 0x482) = 0x3e;
1.1.1.14 root 16604: *(UINT8 *)(mem + 0x484) = csbi.srWindow.Bottom - csbi.srWindow.Top;
16605: *(UINT8 *)(mem + 0x485) = cfi.dwFontSize.Y;
16606: *(UINT8 *)(mem + 0x487) = 0x60;
16607: *(UINT8 *)(mem + 0x496) = 0x10; // enhanced keyboard installed
1.1.1.32 root 16608: #ifdef EXT_BIOS_TOP
1.1.1.25 root 16609: *(UINT16 *)(mem + EXT_BIOS_TOP) = 1;
1.1.1.32 root 16610: #endif
1.1.1.14 root 16611:
16612: // initial screen
16613: SMALL_RECT rect;
16614: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
16615: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
16616: for(int y = 0, ofs1 = TEXT_VRAM_TOP, ofs2 = SHADOW_BUF_TOP; y < scr_height; y++) {
16617: for(int x = 0; x < scr_width; x++) {
16618: mem[ofs1++] = mem[ofs2++] = SCR_BUF(y,x).Char.AsciiChar;
16619: mem[ofs1++] = mem[ofs2++] = SCR_BUF(y,x).Attributes;
16620: }
16621: }
1.1 root 16622:
1.1.1.19 root 16623: // init mcb
1.1 root 16624: int seg = MEMORY_TOP >> 4;
1.1.1.19 root 16625:
16626: // iret table
16627: // note: int 2eh vector should address the routine in command.com,
16628: // and some softwares invite (int 2eh vector segment) - 1 must address the mcb of command.com.
16629: // so move iret table into allocated memory block
16630: // http://www5c.biglobe.ne.jp/~ecb/assembler2/2_6.html
1.1.1.33 root 16631: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, IRET_SIZE >> 4);
1.1.1.19 root 16632: IRET_TOP = seg << 4;
16633: seg += IRET_SIZE >> 4;
1.1.1.25 root 16634: memset(mem + IRET_TOP, 0xcf, IRET_SIZE); // iret
1.1.1.19 root 16635:
16636: // dummy xms/ems device
1.1.1.33 root 16637: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, XMS_SIZE >> 4);
1.1.1.19 root 16638: XMS_TOP = seg << 4;
16639: seg += XMS_SIZE >> 4;
16640:
16641: // environment
1.1.1.33 root 16642: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, ENV_SIZE >> 4);
1.1 root 16643: int env_seg = seg;
16644: int ofs = 0;
1.1.1.32 root 16645: char env_append[ENV_SIZE] = {0}, append_added = 0;
16646: char comspec_added = 0;
1.1.1.33 root 16647: char lastdrive_added = 0;
1.1.1.32 root 16648: char env_msdos_path[ENV_SIZE] = {0};
16649: char env_path[ENV_SIZE] = {0}, path_added = 0;
1.1.1.33 root 16650: char prompt_added = 0;
1.1.1.32 root 16651: char env_temp[ENV_SIZE] = {0}, temp_added = 0, tmp_added = 0;
1.1.1.33 root 16652: char tz_added = 0;
1.1.1.45 root 16653: const char *path, *short_path;
1.1.1.32 root 16654:
16655: if((path = getenv("MSDOS_APPEND")) != NULL) {
16656: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
16657: strcpy(env_append, short_path);
16658: }
16659: }
16660: if((path = getenv("APPEND")) != NULL) {
16661: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
16662: if(env_append[0] != '\0') {
16663: strcat(env_append, ";");
16664: }
16665: strcat(env_append, short_path);
16666: }
16667: }
16668:
16669: if((path = msdos_search_command_com(argv[0], env_path)) != NULL) {
16670: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
16671: strcpy(comspec_path, short_path);
16672: }
16673: }
16674: if((path = getenv("MSDOS_COMSPEC")) != NULL && _access(path, 0) == 0) {
16675: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
16676: strcpy(comspec_path, short_path);
16677: }
16678: }
1.1 root 16679:
1.1.1.28 root 16680: if((path = getenv("MSDOS_PATH")) != NULL) {
1.1.1.32 root 16681: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
16682: strcpy(env_msdos_path, short_path);
16683: strcpy(env_path, short_path);
1.1.1.14 root 16684: }
16685: }
1.1.1.28 root 16686: if((path = getenv("PATH")) != NULL) {
1.1.1.32 root 16687: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
16688: if(env_path[0] != '\0') {
16689: strcat(env_path, ";");
16690: }
16691: strcat(env_path, short_path);
1.1.1.9 root 16692: }
16693: }
1.1.1.32 root 16694:
16695: if(GetTempPath(ENV_SIZE, env_temp) != 0) {
16696: strcpy(env_temp, msdos_get_multiple_short_path(env_temp));
1.1.1.15 root 16697: }
1.1.1.32 root 16698: for(int i = 0; i < 4; i++) {
16699: static const char *name[4] = {"MSDOS_TEMP", "MSDOS_TMP", "TEMP", "TMP"};
16700: if((path = getenv(name[i])) != NULL && _access(path, 0) == 0) {
16701: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
16702: strcpy(env_temp, short_path);
16703: break;
16704: }
16705: }
1.1.1.24 root 16706: }
1.1.1.32 root 16707:
1.1.1.9 root 16708: for(char **p = envp; p != NULL && *p != NULL; p++) {
1.1 root 16709: // lower to upper
1.1.1.28 root 16710: char tmp[ENV_SIZE], name[ENV_SIZE];
1.1 root 16711: strcpy(tmp, *p);
16712: for(int i = 0;; i++) {
16713: if(tmp[i] == '=') {
16714: tmp[i] = '\0';
16715: sprintf(name, ";%s;", tmp);
1.1.1.25 root 16716: my_strupr(name);
1.1 root 16717: tmp[i] = '=';
16718: break;
16719: } else if(tmp[i] >= 'a' && tmp[i] <= 'z') {
1.1.1.28 root 16720: tmp[i] = (tmp[i] - 'a') + 'A';
1.1 root 16721: }
16722: }
1.1.1.33 root 16723: if(strstr(";MSDOS_APPEND;MSDOS_COMSPEC;MSDOS_LASTDRIVE;MSDOS_TEMP;MSDOS_TMP;MSDOS_TZ;", name) != NULL) {
16724: // ignore MSDOS_(APPEND/COMSPEC/LASTDRIVE/TEMP/TMP/TZ)
16725: } else if(standard_env && strstr(";APPEND;COMSPEC;LASTDRIVE;MSDOS_PATH;PATH;PROMPT;TEMP;TMP;TZ;", name) == NULL) {
1.1.1.18 root 16726: // ignore non standard environments
16727: } else {
1.1.1.33 root 16728: if(strncmp(tmp, "APPEND=", 7) == 0) {
1.1.1.32 root 16729: if(env_append[0] != '\0') {
16730: sprintf(tmp, "APPEND=%s", env_append);
16731: } else {
16732: sprintf(tmp, "APPEND=%s", msdos_get_multiple_short_path(tmp + 7));
16733: }
16734: append_added = 1;
16735: } else if(strncmp(tmp, "COMSPEC=", 8) == 0) {
1.1.1.14 root 16736: strcpy(tmp, "COMSPEC=C:\\COMMAND.COM");
1.1.1.32 root 16737: comspec_added = 1;
1.1.1.33 root 16738: } else if(strncmp(tmp, "LASTDRIVE=", 10) == 0) {
16739: char *env = getenv("MSDOS_LASTDRIVE");
16740: if(env != NULL) {
16741: sprintf(tmp, "LASTDRIVE=%s", env);
16742: }
16743: lastdrive_added = 1;
16744: } else if(strncmp(tmp, "MSDOS_PATH=", 11) == 0) {
1.1.1.28 root 16745: if(env_msdos_path[0] != '\0') {
16746: sprintf(tmp, "MSDOS_PATH=%s", env_msdos_path);
16747: } else {
16748: sprintf(tmp, "MSDOS_PATH=%s", msdos_get_multiple_short_path(tmp + 11));
16749: }
1.1.1.33 root 16750: } else if(strncmp(tmp, "PATH=", 5) == 0) {
1.1.1.28 root 16751: if(env_path[0] != '\0') {
16752: sprintf(tmp, "PATH=%s", env_path);
16753: } else {
16754: sprintf(tmp, "PATH=%s", msdos_get_multiple_short_path(tmp + 5));
16755: }
1.1.1.32 root 16756: path_added = 1;
1.1.1.33 root 16757: } else if(strncmp(tmp, "PROMPT=", 7) == 0) {
16758: prompt_added = 1;
1.1.1.28 root 16759: } else if(strncmp(tmp, "TEMP=", 5) == 0) {
16760: if(env_temp[0] != '\0') {
16761: sprintf(tmp, "TEMP=%s", env_temp);
16762: } else {
16763: sprintf(tmp, "TEMP=%s", msdos_get_multiple_short_path(tmp + 5));
16764: }
1.1.1.32 root 16765: temp_added = 1;
1.1.1.33 root 16766: } else if(strncmp(tmp, "TMP=", 4) == 0) {
1.1.1.28 root 16767: if(env_temp[0] != '\0') {
16768: sprintf(tmp, "TMP=%s", env_temp);
16769: } else {
16770: sprintf(tmp, "TMP=%s", msdos_get_multiple_short_path(tmp + 4));
1.1 root 16771: }
1.1.1.32 root 16772: tmp_added = 1;
1.1.1.33 root 16773: } else if(strncmp(tmp, "TZ=", 3) == 0) {
16774: char *env = getenv("MSDOS_TZ");
16775: if(env != NULL) {
16776: sprintf(tmp, "TZ=%s", env);
16777: }
16778: tz_added = 1;
1.1 root 16779: }
16780: int len = strlen(tmp);
1.1.1.14 root 16781: if(ofs + len + 1 + (2 + (8 + 1 + 3)) + 2 > ENV_SIZE) {
1.1 root 16782: fatalerror("too many environments\n");
16783: }
16784: memcpy(mem + (seg << 4) + ofs, tmp, len);
16785: ofs += len + 1;
16786: }
16787: }
1.1.1.32 root 16788: if(!append_added && env_append[0] != '\0') {
16789: #define SET_ENV(name, value) { \
16790: char tmp[ENV_SIZE]; \
16791: sprintf(tmp, "%s=%s", name, value); \
16792: int len = strlen(tmp); \
16793: if(ofs + len + 1 + (2 + (8 + 1 + 3)) + 2 > ENV_SIZE) { \
16794: fatalerror("too many environments\n"); \
16795: } \
16796: memcpy(mem + (seg << 4) + ofs, tmp, len); \
16797: ofs += len + 1; \
16798: }
16799: SET_ENV("APPEND", env_append);
16800: }
16801: if(!comspec_added) {
16802: SET_ENV("COMSPEC", "C:\\COMMAND.COM");
16803: }
1.1.1.33 root 16804: if(!lastdrive_added) {
16805: SET_ENV("LASTDRIVE", "Z");
16806: }
1.1.1.32 root 16807: if(!path_added) {
16808: SET_ENV("PATH", env_path);
16809: }
1.1.1.33 root 16810: if(!prompt_added) {
16811: SET_ENV("PROMPT", "$P$G");
16812: }
1.1.1.32 root 16813: if(!temp_added) {
16814: SET_ENV("TEMP", env_temp);
16815: }
16816: if(!tmp_added) {
16817: SET_ENV("TMP", env_temp);
16818: }
1.1.1.33 root 16819: if(!tz_added) {
16820: TIME_ZONE_INFORMATION tzi;
16821: HKEY hKey, hSubKey;
16822: char tzi_std_name[64];
16823: char tz_std[8] = "GMT";
16824: char tz_dlt[8] = "GST";
16825: char tz_value[32];
16826:
16827: // timezone name from GetTimeZoneInformation may not be english
16828: bool daylight = (GetTimeZoneInformation(&tzi) != TIME_ZONE_ID_UNKNOWN);
16829: setlocale(LC_CTYPE, "");
16830: wcstombs(tzi_std_name, tzi.StandardName, sizeof(tzi_std_name));
16831:
16832: // get english timezone name from registry
16833: if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Time Zones", 0, KEY_READ, &hKey) == ERROR_SUCCESS) {
16834: for(DWORD i = 0; !tz_added; i++) {
16835: char reg_name[256], sub_key[1024], std_name[256];
16836: DWORD size;
16837: FILETIME ftTime;
16838: LONG result = RegEnumKeyEx(hKey, i, reg_name, &(size = array_length(reg_name)), NULL, NULL, NULL, &ftTime);
16839:
16840: if(result == ERROR_SUCCESS) {
16841: sprintf(sub_key, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Time Zones\\%s", reg_name);
16842: if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, sub_key, 0, KEY_QUERY_VALUE, &hSubKey) == ERROR_SUCCESS) {
16843: if(RegQueryValueEx(hSubKey, "Std", NULL, NULL, (LPBYTE)std_name, &(size = array_length(std_name))) == ERROR_SUCCESS) {
16844: // search english timezone name from table
1.1.1.37 root 16845: if(strcmp(std_name, tzi_std_name) == 0) {
1.1.1.33 root 16846: for(int j = 0; j < array_length(tz_table); j++) {
16847: if(strcmp(reg_name, tz_table[j].name) == 0 && (tz_table[j].lcid == 0 || tz_table[j].lcid == GetUserDefaultLCID())) {
16848: if(tz_table[j].std != NULL) {
16849: strcpy(tz_std, tz_table[j].std);
16850: }
16851: if(tz_table[j].dlt != NULL) {
16852: strcpy(tz_dlt, tz_table[j].dlt);
16853: }
16854: tz_added = 1;
16855: break;
16856: }
16857: }
16858: }
16859: }
16860: RegCloseKey(hSubKey);
16861: }
16862: } else if(result == ERROR_NO_MORE_ITEMS) {
16863: break;
16864: }
16865: }
16866: RegCloseKey(hKey);
16867: }
16868: if((tzi.Bias % 60) != 0) {
16869: sprintf(tz_value, "%s%d:%2d", tz_std, tzi.Bias / 60, abs(tzi.Bias % 60));
16870: } else {
16871: sprintf(tz_value, "%s%d", tz_std, tzi.Bias / 60);
16872: }
16873: if(daylight) {
16874: strcat(tz_value, tz_dlt);
16875: }
16876: SET_ENV("TZ", tz_value);
16877: }
1.1 root 16878: seg += (ENV_SIZE >> 4);
16879:
16880: // psp
1.1.1.33 root 16881: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, PSP_SIZE >> 4);
1.1 root 16882: current_psp = seg;
1.1.1.35 root 16883: psp_t *psp = msdos_psp_create(seg, seg + (PSP_SIZE >> 4), -1, env_seg);
16884: psp->parent_psp = current_psp;
1.1 root 16885: seg += (PSP_SIZE >> 4);
16886:
1.1.1.19 root 16887: // first free mcb in conventional memory
1.1.1.33 root 16888: msdos_mcb_create(seg, 'M', 0, (MEMORY_END >> 4) - seg - 2);
1.1.1.8 root 16889: first_mcb = seg;
16890:
1.1.1.19 root 16891: // dummy mcb to link to umb
1.1.1.33 root 16892: #if 0
1.1.1.39 root 16893: msdos_mcb_create((MEMORY_END >> 4) - 1, 'M', PSP_SYSTEM, (UMB_TOP >> 4) - (MEMORY_END >> 4), "SC"); // link umb
1.1.1.33 root 16894: #else
1.1.1.39 root 16895: msdos_mcb_create((MEMORY_END >> 4) - 1, 'Z', PSP_SYSTEM, 0, "SC"); // unlink umb
1.1.1.33 root 16896: #endif
1.1.1.19 root 16897:
16898: // first free mcb in upper memory block
1.1.1.8 root 16899: msdos_mcb_create(UMB_TOP >> 4, 'Z', 0, (UMB_END >> 4) - (UMB_TOP >> 4) - 1);
1.1 root 16900:
1.1.1.29 root 16901: #ifdef SUPPORT_HMA
16902: // first free mcb in high memory area
16903: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
16904: #endif
16905:
1.1.1.26 root 16906: // interrupt vector
16907: for(int i = 0; i < 0x80; i++) {
16908: *(UINT16 *)(mem + 4 * i + 0) = i;
16909: *(UINT16 *)(mem + 4 * i + 2) = (IRET_TOP >> 4);
16910: }
1.1.1.35 root 16911: *(UINT16 *)(mem + 4 * 0x08 + 0) = 0x0018; // fffd:0018 irq0 (system timer)
1.1.1.26 root 16912: *(UINT16 *)(mem + 4 * 0x08 + 2) = 0xfffd;
16913: *(UINT16 *)(mem + 4 * 0x22 + 0) = 0x0000; // ffff:0000 boot
16914: *(UINT16 *)(mem + 4 * 0x22 + 2) = 0xffff;
16915: *(UINT16 *)(mem + 4 * 0x67 + 0) = 0x0012; // xxxx:0012 ems
16916: *(UINT16 *)(mem + 4 * 0x67 + 2) = XMS_TOP >> 4;
16917: *(UINT16 *)(mem + 4 * 0x74 + 0) = 0x0000; // fffd:0000 irq12 (mouse)
16918: *(UINT16 *)(mem + 4 * 0x74 + 2) = 0xfffd;
16919:
1.1.1.29 root 16920: // dummy devices (NUL -> CON -> ... -> CONFIG$ -> EMMXXXX0)
1.1.1.26 root 16921: static const struct {
16922: UINT16 attributes;
16923: char *dev_name;
16924: } dummy_devices[] = {
16925: {0x8013, "CON "},
16926: {0x8000, "AUX "},
16927: {0xa0c0, "PRN "},
16928: {0x8008, "CLOCK$ "},
16929: {0x8000, "COM1 "},
16930: {0xa0c0, "LPT1 "},
16931: {0xa0c0, "LPT2 "},
16932: {0xa0c0, "LPT3 "},
16933: {0x8000, "COM2 "},
16934: {0x8000, "COM3 "},
16935: {0x8000, "COM4 "},
1.1.1.30 root 16936: // {0xc000, "CONFIG$ "},
16937: {0xc000, "$IBMADSP"}, // for windows3.1 setup.exe
1.1.1.26 root 16938: };
16939: static const UINT8 dummy_device_routine[] = {
16940: // from NUL device of Windows 98 SE
16941: // or word ptr ES:[BX+03],0100
16942: 0x26, 0x81, 0x4f, 0x03, 0x00, 0x01,
16943: // retf
16944: 0xcb,
16945: };
1.1.1.29 root 16946: device_t *last = NULL;
1.1.1.32 root 16947: for(int i = 0; i < array_length(dummy_devices); i++) {
1.1.1.26 root 16948: device_t *device = (device_t *)(mem + DEVICE_TOP + 22 + 18 * i);
1.1.1.29 root 16949: device->next_driver.w.l = 22 + 18 * (i + 1);
16950: device->next_driver.w.h = DEVICE_TOP >> 4;
1.1.1.26 root 16951: device->attributes = dummy_devices[i].attributes;
1.1.1.29 root 16952: device->strategy = DEVICE_SIZE - sizeof(dummy_device_routine);
16953: device->interrupt = DEVICE_SIZE - sizeof(dummy_device_routine) + 6;
1.1.1.26 root 16954: memcpy(device->dev_name, dummy_devices[i].dev_name, 8);
1.1.1.29 root 16955: last = device;
16956: }
16957: if(last != NULL) {
16958: last->next_driver.w.l = 0;
16959: last->next_driver.w.h = XMS_TOP >> 4;
1.1.1.26 root 16960: }
1.1.1.29 root 16961: memcpy(mem + DEVICE_TOP + DEVICE_SIZE - sizeof(dummy_device_routine), dummy_device_routine, sizeof(dummy_device_routine));
1.1.1.26 root 16962:
1.1.1.25 root 16963: // dos info
16964: dos_info_t *dos_info = (dos_info_t *)(mem + DOS_INFO_TOP);
16965: dos_info->magic_word = 1;
16966: dos_info->first_mcb = MEMORY_TOP >> 4;
16967: dos_info->first_dpb.w.l = 0;
16968: dos_info->first_dpb.w.h = DPB_TOP >> 4;
16969: dos_info->first_sft.w.l = 0;
16970: dos_info->first_sft.w.h = SFT_TOP >> 4;
1.1.1.41 root 16971: dos_info->clock_device.w.l = 22 + 18 * 3; // CLOCK$ is the 4th device in IO.SYS
1.1.1.25 root 16972: dos_info->clock_device.w.h = DEVICE_TOP >> 4;
1.1.1.26 root 16973: dos_info->con_device.w.l = 22 + 18 * 0; // CON is the 1st device in IO.SYS
1.1.1.25 root 16974: dos_info->con_device.w.h = DEVICE_TOP >> 4;
16975: dos_info->max_sector_len = 512;
16976: dos_info->disk_buf_info.w.l = offsetof(dos_info_t, disk_buf_heads);
16977: dos_info->disk_buf_info.w.h = DOS_INFO_TOP >> 4;
16978: dos_info->cds.w.l = 0;
16979: dos_info->cds.w.h = CDS_TOP >> 4;
16980: dos_info->fcb_table.w.l = 0;
16981: dos_info->fcb_table.w.h = FCB_TABLE_TOP >> 4;
16982: dos_info->last_drive = 'Z' - 'A' + 1;
16983: dos_info->buffers_x = 20;
16984: dos_info->buffers_y = 0;
16985: dos_info->boot_drive = 'C' - 'A' + 1;
1.1.1.29 root 16986: dos_info->nul_device.next_driver.w.l = 22;
16987: dos_info->nul_device.next_driver.w.h = DEVICE_TOP >> 4;
1.1.1.25 root 16988: dos_info->nul_device.attributes = 0x8004;
1.1.1.29 root 16989: dos_info->nul_device.strategy = DOS_INFO_SIZE - sizeof(dummy_device_routine);
16990: dos_info->nul_device.interrupt = DOS_INFO_SIZE - sizeof(dummy_device_routine) + 6;
1.1.1.25 root 16991: memcpy(dos_info->nul_device.dev_name, "NUL ", 8);
16992: dos_info->disk_buf_heads.w.l = 0;
16993: dos_info->disk_buf_heads.w.h = DISK_BUF_TOP >> 4;
1.1.1.39 root 16994: dos_info->umb_linked = (((mcb_t *)(mem + MEMORY_END - 16))->mz == 'M' ? 0x01 : 0x00);
1.1.1.25 root 16995: dos_info->first_umb_fcb = UMB_TOP >> 4;
16996: dos_info->first_mcb_2 = MEMORY_TOP >> 4;
1.1.1.29 root 16997: memcpy(mem + DOS_INFO_TOP + DOS_INFO_SIZE - sizeof(dummy_device_routine), dummy_device_routine, sizeof(dummy_device_routine));
1.1.1.25 root 16998:
16999: char *env;
17000: if((env = getenv("LASTDRIVE")) != NULL) {
17001: if(env[0] >= 'A' && env[0] <= 'Z') {
17002: dos_info->last_drive = env[0] - 'A' + 1;
17003: } else if(env[0] >= 'a' && env[0] <= 'z') {
17004: dos_info->last_drive = env[0] - 'a' + 1;
17005: }
17006: }
17007: if((env = getenv("windir")) != NULL) {
17008: if(env[0] >= 'A' && env[0] <= 'Z') {
17009: dos_info->boot_drive = env[0] - 'A' + 1;
17010: } else if(env[0] >= 'a' && env[0] <= 'z') {
17011: dos_info->boot_drive = env[0] - 'a' + 1;
17012: }
17013: }
17014: #if defined(HAS_I386)
17015: dos_info->i386_or_later = 1;
17016: #else
17017: dos_info->i386_or_later = 0;
17018: #endif
17019: dos_info->ext_mem_size = (min(MAX_MEM, 0x4000000) - 0x100000) >> 10;
17020:
1.1.1.27 root 17021: // ems (int 67h) and xms
1.1.1.25 root 17022: device_t *xms_device = (device_t *)(mem + XMS_TOP);
17023: xms_device->next_driver.w.l = 0xffff;
17024: xms_device->next_driver.w.h = 0xffff;
17025: xms_device->attributes = 0xc000;
1.1.1.29 root 17026: xms_device->strategy = XMS_SIZE - sizeof(dummy_device_routine);
17027: xms_device->interrupt = XMS_SIZE - sizeof(dummy_device_routine) + 6;
1.1.1.25 root 17028: memcpy(xms_device->dev_name, "EMMXXXX0", 8);
17029:
1.1.1.26 root 17030: mem[XMS_TOP + 0x12] = 0xcd; // int 68h (dummy)
17031: mem[XMS_TOP + 0x13] = 0x68;
17032: mem[XMS_TOP + 0x14] = 0xcf; // iret
1.1.1.19 root 17033: #ifdef SUPPORT_XMS
17034: if(support_xms) {
1.1.1.26 root 17035: mem[XMS_TOP + 0x15] = 0xcd; // int 69h (dummy)
17036: mem[XMS_TOP + 0x16] = 0x69;
17037: mem[XMS_TOP + 0x17] = 0xcb; // retf
1.1.1.19 root 17038: } else
17039: #endif
1.1.1.26 root 17040: mem[XMS_TOP + 0x15] = 0xcb; // retf
1.1.1.29 root 17041: memcpy(mem + XMS_TOP + XMS_SIZE - sizeof(dummy_device_routine), dummy_device_routine, sizeof(dummy_device_routine));
1.1.1.19 root 17042:
1.1.1.26 root 17043: // irq12 routine (mouse)
1.1.1.24 root 17044: mem[0xfffd0 + 0x00] = 0xcd; // int 6ah (dummy)
17045: mem[0xfffd0 + 0x01] = 0x6a;
17046: mem[0xfffd0 + 0x02] = 0x9a; // call far mouse
17047: mem[0xfffd0 + 0x03] = 0xff;
17048: mem[0xfffd0 + 0x04] = 0xff;
17049: mem[0xfffd0 + 0x05] = 0xff;
17050: mem[0xfffd0 + 0x06] = 0xff;
17051: mem[0xfffd0 + 0x07] = 0xcd; // int 6bh (dummy)
17052: mem[0xfffd0 + 0x08] = 0x6b;
17053: mem[0xfffd0 + 0x09] = 0xcf; // iret
17054:
1.1.1.27 root 17055: // case map routine
17056: mem[0xfffd0 + 0x0a] = 0xcd; // int 6ch (dummy)
17057: mem[0xfffd0 + 0x0b] = 0x6c;
17058: mem[0xfffd0 + 0x0c] = 0xcb; // retf
17059:
17060: // font read routine
17061: mem[0xfffd0 + 0x0d] = 0xcd; // int 6dh (dummy)
17062: mem[0xfffd0 + 0x0e] = 0x6d;
17063: mem[0xfffd0 + 0x0f] = 0xcb; // retf
1.1.1.19 root 17064:
1.1.1.32 root 17065: // error message read routine
17066: mem[0xfffd0 + 0x10] = 0xcd; // int 6eh (dummy)
17067: mem[0xfffd0 + 0x11] = 0x6e;
17068: mem[0xfffd0 + 0x12] = 0xcb; // retf
17069:
1.1.1.35 root 17070: // dummy loop to wait BIOS/DOS service is done
17071: mem[0xfffd0 + 0x13] = 0xe6; // out f7h, al
17072: mem[0xfffd0 + 0x14] = 0xf7;
17073: mem[0xfffd0 + 0x15] = 0x78; // js/jns -4
17074: mem[0xfffd0 + 0x16] = 0xfc;
17075: mem[0xfffd0 + 0x17] = 0xcb; // retf
17076:
1.1.1.26 root 17077: // irq0 routine (system time)
1.1.1.35 root 17078: mem[0xfffd0 + 0x18] = 0xcd; // int 1ch
17079: mem[0xfffd0 + 0x19] = 0x1c;
17080: mem[0xfffd0 + 0x1a] = 0xea; // jmp far (IRET_TOP >> 4):0008
17081: mem[0xfffd0 + 0x1b] = 0x08;
17082: mem[0xfffd0 + 0x1c] = 0x00;
17083: mem[0xfffd0 + 0x1d] = ((IRET_TOP >> 4) ) & 0xff;
17084: mem[0xfffd0 + 0x1e] = ((IRET_TOP >> 4) >> 8) & 0xff;
1.1.1.14 root 17085:
1.1.1.26 root 17086: // boot routine
1.1 root 17087: mem[0xffff0] = 0xf4; // halt
17088:
1.1.1.24 root 17089: mem[0xffff5] = '0'; // rom date
17090: mem[0xffff6] = '2';
17091: mem[0xffff7] = '/';
17092: mem[0xffff8] = '2';
17093: mem[0xffff9] = '2';
17094: mem[0xffffa] = '/';
17095: mem[0xffffb] = '0';
17096: mem[0xffffc] = '6';
17097: mem[0xffffe] = 0xfc; // machine id
17098: mem[0xfffff] = 0x00;
17099:
1.1 root 17100: // param block
17101: // + 0: param block (22bytes)
17102: // +24: fcb1/2 (20bytes)
17103: // +44: command tail (128bytes)
17104: param_block_t *param = (param_block_t *)(mem + WORK_TOP);
17105: param->env_seg = 0;
17106: param->cmd_line.w.l = 44;
17107: param->cmd_line.w.h = (WORK_TOP >> 4);
17108: param->fcb1.w.l = 24;
17109: param->fcb1.w.h = (WORK_TOP >> 4);
17110: param->fcb2.w.l = 24;
17111: param->fcb2.w.h = (WORK_TOP >> 4);
17112:
17113: memset(mem + WORK_TOP + 24, 0x20, 20);
17114:
17115: cmd_line_t *cmd_line = (cmd_line_t *)(mem + WORK_TOP + 44);
17116: if(argc > 1) {
17117: sprintf(cmd_line->cmd, " %s", argv[1]);
17118: for(int i = 2; i < argc; i++) {
17119: char tmp[128];
17120: sprintf(tmp, "%s %s", cmd_line->cmd, argv[i]);
17121: strcpy(cmd_line->cmd, tmp);
17122: }
17123: cmd_line->len = (UINT8)strlen(cmd_line->cmd);
17124: } else {
17125: cmd_line->len = 0;
17126: }
17127: cmd_line->cmd[cmd_line->len] = 0x0d;
17128:
17129: // system file table
1.1.1.21 root 17130: *(UINT32 *)(mem + SFT_TOP + 0) = 0xffffffff;
17131: *(UINT16 *)(mem + SFT_TOP + 4) = 20;
1.1 root 17132:
1.1.1.19 root 17133: // disk buffer header (from DOSBox)
17134: *(UINT16 *)(mem + DISK_BUF_TOP + 0) = 0xffff; // forward ptr
17135: *(UINT16 *)(mem + DISK_BUF_TOP + 2) = 0xffff; // backward ptr
17136: *(UINT8 *)(mem + DISK_BUF_TOP + 4) = 0xff; // not in use
17137: *(UINT8 *)(mem + DISK_BUF_TOP + 10) = 0x01; // number of FATs
17138: *(UINT32 *)(mem + DISK_BUF_TOP + 13) = 0xffffffff; // pointer to DPB
17139:
1.1 root 17140: // fcb table
17141: *(UINT32 *)(mem + FCB_TABLE_TOP + 0) = 0xffffffff;
1.1.1.14 root 17142: *(UINT16 *)(mem + FCB_TABLE_TOP + 4) = 0;
1.1 root 17143:
1.1.1.41 root 17144: // drive parameter block
1.1.1.42 root 17145: for(int i = 0; i < 2; i++) {
1.1.1.43 root 17146: // may be a floppy drive
1.1.1.44 root 17147: cds_t *cds = (cds_t *)(mem + CDS_TOP + 88 * i);
17148: sprintf(cds->path_name, "%c:\\", 'A' + i);
17149: cds->drive_attrib = 0x4000; // physical drive
17150: cds->dpb_ptr.w.l = sizeof(dpb_t) * i;
17151: cds->dpb_ptr.w.h = DPB_TOP >> 4;
17152: cds->word_1 = cds->word_2 = cds->word_3 = 0xffff;
17153: cds->bs_offset = 2;
17154:
1.1.1.41 root 17155: dpb_t *dpb = (dpb_t *)(mem + DPB_TOP + sizeof(dpb_t) * i);
17156: dpb->drive_num = i;
17157: dpb->unit_num = i;
1.1.1.43 root 17158: dpb->next_dpb_ofs = /*(i == 25) ? 0xffff : */sizeof(dpb_t) * (i + 1);
17159: dpb->next_dpb_seg = /*(i == 25) ? 0xffff : */DPB_TOP >> 4;
1.1.1.42 root 17160: }
17161: for(int i = 2; i < 26; i++) {
1.1.1.44 root 17162: msdos_cds_update(i);
1.1.1.42 root 17163: UINT16 seg, ofs;
17164: msdos_drive_param_block_update(i, &seg, &ofs, 1);
1.1.1.41 root 17165: }
17166:
1.1.1.17 root 17167: // nls stuff
17168: msdos_nls_tables_init();
1.1 root 17169:
17170: // execute command
1.1.1.28 root 17171: try {
17172: if(msdos_process_exec(argv[0], param, 0)) {
17173: fatalerror("'%s' not found\n", argv[0]);
17174: }
17175: } catch(...) {
17176: // we should not reach here :-(
17177: fatalerror("failed to start '%s' because of unexpected exeption\n", argv[0]);
1.1 root 17178: }
17179: retval = 0;
17180: return(0);
17181: }
17182:
17183: #define remove_std_file(path) { \
17184: int fd = _open(path, _O_RDONLY | _O_BINARY); \
17185: if(fd != -1) { \
17186: _lseek(fd, 0, SEEK_END); \
17187: int size = _tell(fd); \
17188: _close(fd); \
17189: if(size == 0) { \
17190: remove(path); \
17191: } \
17192: } \
17193: }
17194:
17195: void msdos_finish()
17196: {
17197: for(int i = 0; i < MAX_FILES; i++) {
17198: if(file_handler[i].valid) {
17199: _close(i);
17200: }
17201: }
1.1.1.21 root 17202: #ifdef MAP_AUX_DEVICE_TO_FILE
1.1 root 17203: remove_std_file("stdaux.txt");
1.1.1.21 root 17204: #endif
1.1.1.30 root 17205: #ifdef SUPPORT_XMS
17206: msdos_xms_finish();
17207: #endif
1.1 root 17208: msdos_dbcs_table_finish();
17209: }
17210:
17211: /* ----------------------------------------------------------------------------
17212: PC/AT hardware emulation
17213: ---------------------------------------------------------------------------- */
17214:
17215: void hardware_init()
17216: {
1.1.1.3 root 17217: CPU_INIT_CALL(CPU_MODEL);
1.1 root 17218: CPU_RESET_CALL(CPU_MODEL);
1.1.1.14 root 17219: m_IF = 1;
1.1.1.3 root 17220: #if defined(HAS_I386)
1.1 root 17221: cpu_type = (REG32(EDX) >> 8) & 0x0f;
17222: cpu_step = (REG32(EDX) >> 0) & 0x0f;
1.1.1.3 root 17223: #endif
17224: i386_set_a20_line(0);
1.1.1.14 root 17225:
1.1.1.19 root 17226: ems_init();
1.1.1.25 root 17227: dma_init();
1.1 root 17228: pic_init();
1.1.1.25 root 17229: pio_init();
1.1.1.8 root 17230: #ifdef PIT_ALWAYS_RUNNING
17231: pit_init();
17232: #else
1.1 root 17233: pit_active = 0;
17234: #endif
1.1.1.25 root 17235: sio_init();
1.1.1.8 root 17236: cmos_init();
17237: kbd_init();
1.1 root 17238: }
17239:
1.1.1.10 root 17240: void hardware_finish()
17241: {
17242: #if defined(HAS_I386)
17243: vtlb_free(m_vtlb);
17244: #endif
1.1.1.19 root 17245: ems_finish();
1.1.1.37 root 17246: pio_finish();
1.1.1.25 root 17247: sio_finish();
1.1.1.10 root 17248: }
17249:
1.1.1.28 root 17250: void hardware_release()
17251: {
17252: // release hardware resources when this program will be terminated abnormally
17253: #ifdef EXPORT_DEBUG_TO_FILE
1.1.1.33 root 17254: if(fp_debug_log != NULL) {
17255: fclose(fp_debug_log);
17256: fp_debug_log = NULL;
1.1.1.28 root 17257: }
17258: #endif
17259: #if defined(HAS_I386)
17260: vtlb_free(m_vtlb);
17261: #endif
17262: ems_release();
1.1.1.37 root 17263: pio_release();
1.1.1.28 root 17264: sio_release();
17265: }
17266:
1.1 root 17267: void hardware_run()
17268: {
1.1.1.22 root 17269: #ifdef EXPORT_DEBUG_TO_FILE
1.1.1.28 root 17270: // open debug log file after msdos_init() is done not to use the standard file handlers
1.1.1.33 root 17271: fp_debug_log = fopen("debug.log", "w");
1.1.1.22 root 17272: #endif
1.1.1.3 root 17273: while(!m_halted) {
17274: #if defined(HAS_I386)
1.1 root 17275: CPU_EXECUTE_CALL(i386);
1.1.1.14 root 17276: if(m_eip != m_prev_eip) {
1.1.1.35 root 17277: idle_ops++;
17278: }
1.1.1.14 root 17279: #else
1.1.1.35 root 17280: CPU_EXECUTE_CALL(CPU_MODEL);
1.1.1.14 root 17281: if(m_pc != m_prevpc) {
1.1.1.35 root 17282: idle_ops++;
1.1.1.14 root 17283: }
1.1.1.35 root 17284: #endif
17285: if(++update_ops == UPDATE_OPS) {
1.1 root 17286: hardware_update();
1.1.1.35 root 17287: update_ops = 0;
1.1 root 17288: }
17289: }
1.1.1.22 root 17290: #ifdef EXPORT_DEBUG_TO_FILE
1.1.1.33 root 17291: if(fp_debug_log != NULL) {
17292: fclose(fp_debug_log);
17293: fp_debug_log = NULL;
1.1.1.28 root 17294: }
1.1.1.22 root 17295: #endif
1.1 root 17296: }
17297:
17298: void hardware_update()
17299: {
1.1.1.8 root 17300: static UINT32 prev_time = 0;
17301: UINT32 cur_time = timeGetTime();
17302:
17303: if(prev_time != cur_time) {
17304: // update pit and raise irq0
17305: #ifndef PIT_ALWAYS_RUNNING
17306: if(pit_active)
17307: #endif
17308: {
17309: if(pit_run(0, cur_time)) {
17310: pic_req(0, 0, 1);
17311: }
17312: pit_run(1, cur_time);
17313: pit_run(2, cur_time);
17314: }
1.1.1.24 root 17315:
1.1.1.25 root 17316: // update sio and raise irq4/3
1.1.1.29 root 17317: for(int c = 0; c < 4; c++) {
1.1.1.25 root 17318: sio_update(c);
17319: }
17320:
1.1.1.24 root 17321: // update keyboard and mouse
1.1.1.14 root 17322: static UINT32 prev_tick = 0;
17323: UINT32 cur_tick = cur_time / 32;
1.1.1.25 root 17324:
1.1.1.14 root 17325: if(prev_tick != cur_tick) {
17326: // update keyboard flags
17327: UINT8 state;
1.1.1.24 root 17328: state = (GetAsyncKeyState(VK_INSERT ) & 0x0001) ? 0x80 : 0;
17329: state |= (GetAsyncKeyState(VK_CAPITAL ) & 0x0001) ? 0x40 : 0;
17330: state |= (GetAsyncKeyState(VK_NUMLOCK ) & 0x0001) ? 0x20 : 0;
17331: state |= (GetAsyncKeyState(VK_SCROLL ) & 0x0001) ? 0x10 : 0;
17332: state |= (GetAsyncKeyState(VK_MENU ) & 0x8000) ? 0x08 : 0;
17333: state |= (GetAsyncKeyState(VK_CONTROL ) & 0x8000) ? 0x04 : 0;
17334: state |= (GetAsyncKeyState(VK_LSHIFT ) & 0x8000) ? 0x02 : 0;
17335: state |= (GetAsyncKeyState(VK_RSHIFT ) & 0x8000) ? 0x01 : 0;
1.1.1.14 root 17336: mem[0x417] = state;
17337: state = (GetAsyncKeyState(VK_INSERT ) & 0x8000) ? 0x80 : 0;
17338: state |= (GetAsyncKeyState(VK_CAPITAL ) & 0x8000) ? 0x40 : 0;
17339: state |= (GetAsyncKeyState(VK_NUMLOCK ) & 0x8000) ? 0x20 : 0;
17340: state |= (GetAsyncKeyState(VK_SCROLL ) & 0x8000) ? 0x10 : 0;
1.1.1.24 root 17341: // state |= (GetAsyncKeyState(VK_PAUSE ) & 0x0001) ? 0x08 : 0;
17342: // state |= (GetAsyncKeyState(VK_SYSREQ ) & 0x8000) ? 0x04 : 0;
1.1.1.14 root 17343: state |= (GetAsyncKeyState(VK_LMENU ) & 0x8000) ? 0x02 : 0;
17344: state |= (GetAsyncKeyState(VK_LCONTROL) & 0x8000) ? 0x01 : 0;
17345: mem[0x418] = state;
17346:
1.1.1.24 root 17347: // update console input if needed
1.1.1.34 root 17348: if(!key_changed || mouse.hidden == 0) {
1.1.1.24 root 17349: update_console_input();
17350: }
17351:
17352: // raise irq1 if key is pressed/released
17353: if(key_changed) {
1.1.1.8 root 17354: pic_req(0, 1, 1);
1.1.1.24 root 17355: key_changed = false;
17356: }
17357:
17358: // raise irq12 if mouse status is changed
1.1.1.43 root 17359: if((mouse.status & mouse.call_mask) && mouse.call_addr.dw) {
17360: mouse.status_irq = mouse.status & mouse.call_mask;
17361: mouse.status_irq_alt = 0; // ???
1.1.1.24 root 17362: mouse.status &= ~mouse.call_mask;
1.1.1.43 root 17363: pic_req(1, 4, 1);
17364: } else {
17365: for(int i = 0; i < 8; i++) {
17366: if((mouse.status_alt & (1 << i)) && mouse.call_addr_alt[i].dw) {
17367: mouse.status_irq = 0; // ???
17368: mouse.status_irq_alt = 0;
17369: for(int j = 0; j < 8; j++) {
17370: if((mouse.status_alt & (1 << j)) && mouse.call_addr_alt[i].dw == mouse.call_addr_alt[j].dw) {
17371: mouse.status_irq_alt |= (1 << j);
17372: mouse.status_alt &= ~(1 << j);
17373: }
17374: }
17375: pic_req(1, 4, 1);
17376: break;
17377: }
17378: }
1.1.1.8 root 17379: }
1.1.1.24 root 17380:
1.1.1.14 root 17381: prev_tick = cur_tick;
1.1.1.8 root 17382: }
1.1.1.24 root 17383:
1.1.1.19 root 17384: // update daily timer counter
17385: pcbios_update_daily_timer_counter(cur_time);
1.1.1.25 root 17386:
1.1.1.8 root 17387: prev_time = cur_time;
1.1 root 17388: }
17389: }
17390:
1.1.1.19 root 17391: // ems
17392:
17393: void ems_init()
17394: {
17395: memset(ems_handles, 0, sizeof(ems_handles));
17396: memset(ems_pages, 0, sizeof(ems_pages));
17397: free_ems_pages = MAX_EMS_PAGES;
17398: }
17399:
17400: void ems_finish()
17401: {
1.1.1.28 root 17402: ems_release();
17403: }
17404:
17405: void ems_release()
17406: {
1.1.1.31 root 17407: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.28 root 17408: if(ems_handles[i].buffer != NULL) {
1.1.1.19 root 17409: free(ems_handles[i].buffer);
17410: ems_handles[i].buffer = NULL;
17411: }
17412: }
17413: }
17414:
17415: void ems_allocate_pages(int handle, int pages)
17416: {
17417: if(pages > 0) {
17418: ems_handles[handle].buffer = (UINT8 *)calloc(1, 0x4000 * pages);
17419: } else {
17420: ems_handles[handle].buffer = NULL;
17421: }
17422: ems_handles[handle].pages = pages;
17423: ems_handles[handle].allocated = true;
17424: free_ems_pages -= pages;
17425: }
17426:
17427: void ems_reallocate_pages(int handle, int pages)
17428: {
17429: if(ems_handles[handle].allocated) {
17430: if(ems_handles[handle].pages != pages) {
17431: UINT8 *new_buffer = NULL;
17432:
17433: if(pages > 0) {
17434: new_buffer = (UINT8 *)calloc(1, 0x4000 * pages);
17435: }
1.1.1.32 root 17436: if(ems_handles[handle].buffer != NULL) {
17437: if(new_buffer != NULL) {
1.1.1.19 root 17438: if(pages > ems_handles[handle].pages) {
17439: memcpy(new_buffer, ems_handles[handle].buffer, 0x4000 * ems_handles[handle].pages);
17440: } else {
17441: memcpy(new_buffer, ems_handles[handle].buffer, 0x4000 * pages);
17442: }
17443: }
17444: free(ems_handles[handle].buffer);
17445: ems_handles[handle].buffer = NULL;
17446: }
17447: free_ems_pages += ems_handles[handle].pages;
17448:
17449: ems_handles[handle].buffer = new_buffer;
17450: ems_handles[handle].pages = pages;
17451: free_ems_pages -= pages;
17452: }
17453: } else {
17454: ems_allocate_pages(handle, pages);
17455: }
17456: }
17457:
17458: void ems_release_pages(int handle)
17459: {
17460: if(ems_handles[handle].allocated) {
1.1.1.32 root 17461: if(ems_handles[handle].buffer != NULL) {
1.1.1.19 root 17462: free(ems_handles[handle].buffer);
17463: ems_handles[handle].buffer = NULL;
17464: }
17465: free_ems_pages += ems_handles[handle].pages;
17466: ems_handles[handle].allocated = false;
17467: }
17468: }
17469:
17470: void ems_map_page(int physical, int handle, int logical)
17471: {
17472: if(ems_pages[physical].mapped) {
17473: if(ems_pages[physical].handle == handle && ems_pages[physical].page == logical) {
17474: return;
17475: }
17476: ems_unmap_page(physical);
17477: }
1.1.1.32 root 17478: if(ems_handles[handle].allocated && ems_handles[handle].buffer != NULL && logical < ems_handles[handle].pages) {
1.1.1.19 root 17479: memcpy(mem + EMS_TOP + 0x4000 * physical, ems_handles[handle].buffer + 0x4000 * logical, 0x4000);
17480: }
17481: ems_pages[physical].handle = handle;
17482: ems_pages[physical].page = logical;
17483: ems_pages[physical].mapped = true;
17484: }
17485:
17486: void ems_unmap_page(int physical)
17487: {
17488: if(ems_pages[physical].mapped) {
17489: int handle = ems_pages[physical].handle;
17490: int logical = ems_pages[physical].page;
17491:
1.1.1.32 root 17492: if(ems_handles[handle].allocated && ems_handles[handle].buffer != NULL && logical < ems_handles[handle].pages) {
1.1.1.19 root 17493: memcpy(ems_handles[handle].buffer + 0x4000 * logical, mem + EMS_TOP + 0x4000 * physical, 0x4000);
17494: }
17495: ems_pages[physical].mapped = false;
17496: }
17497: }
17498:
1.1.1.25 root 17499: // dma
1.1 root 17500:
1.1.1.25 root 17501: void dma_init()
1.1 root 17502: {
1.1.1.26 root 17503: memset(dma, 0, sizeof(dma));
1.1.1.25 root 17504: for(int c = 0; c < 2; c++) {
1.1.1.26 root 17505: // for(int ch = 0; ch < 4; ch++) {
17506: // dma[c].ch[ch].creg.w = dma[c].ch[ch].bcreg.w = 0xffff;
17507: // }
1.1.1.25 root 17508: dma_reset(c);
17509: }
1.1 root 17510: }
17511:
1.1.1.25 root 17512: void dma_reset(int c)
1.1 root 17513: {
1.1.1.25 root 17514: dma[c].low_high = false;
17515: dma[c].cmd = dma[c].req = dma[c].tc = 0;
17516: dma[c].mask = 0xff;
17517: }
17518:
17519: void dma_write(int c, UINT32 addr, UINT8 data)
17520: {
17521: int ch = (addr >> 1) & 3;
17522: UINT8 bit = 1 << (data & 3);
17523:
17524: switch(addr & 0x0f) {
17525: case 0x00: case 0x02: case 0x04: case 0x06:
17526: if(dma[c].low_high) {
17527: dma[c].ch[ch].bareg.b.h = data;
1.1 root 17528: } else {
1.1.1.25 root 17529: dma[c].ch[ch].bareg.b.l = data;
17530: }
17531: dma[c].ch[ch].areg.w = dma[c].ch[ch].bareg.w;
17532: dma[c].low_high = !dma[c].low_high;
17533: break;
17534: case 0x01: case 0x03: case 0x05: case 0x07:
17535: if(dma[c].low_high) {
17536: dma[c].ch[ch].bcreg.b.h = data;
17537: } else {
17538: dma[c].ch[ch].bcreg.b.l = data;
17539: }
17540: dma[c].ch[ch].creg.w = dma[c].ch[ch].bcreg.w;
17541: dma[c].low_high = !dma[c].low_high;
17542: break;
17543: case 0x08:
17544: // command register
17545: dma[c].cmd = data;
17546: break;
17547: case 0x09:
17548: // dma[c].request register
17549: if(data & 4) {
17550: if(!(dma[c].req & bit)) {
17551: dma[c].req |= bit;
17552: // dma_run(c, ch);
17553: }
17554: } else {
17555: dma[c].req &= ~bit;
17556: }
17557: break;
17558: case 0x0a:
17559: // single mask register
17560: if(data & 4) {
17561: dma[c].mask |= bit;
17562: } else {
17563: dma[c].mask &= ~bit;
17564: }
17565: break;
17566: case 0x0b:
17567: // mode register
17568: dma[c].ch[data & 3].mode = data;
17569: break;
17570: case 0x0c:
17571: dma[c].low_high = false;
17572: break;
17573: case 0x0d:
17574: // clear master
17575: dma_reset(c);
17576: break;
17577: case 0x0e:
17578: // clear mask register
17579: dma[c].mask = 0;
17580: break;
17581: case 0x0f:
17582: // all mask register
17583: dma[c].mask = data & 0x0f;
17584: break;
17585: }
17586: }
17587:
17588: UINT8 dma_read(int c, UINT32 addr)
17589: {
17590: int ch = (addr >> 1) & 3;
17591: UINT8 val = 0xff;
17592:
17593: switch(addr & 0x0f) {
17594: case 0x00: case 0x02: case 0x04: case 0x06:
17595: if(dma[c].low_high) {
17596: val = dma[c].ch[ch].areg.b.h;
17597: } else {
17598: val = dma[c].ch[ch].areg.b.l;
17599: }
17600: dma[c].low_high = !dma[c].low_high;
17601: return(val);
17602: case 0x01: case 0x03: case 0x05: case 0x07:
17603: if(dma[c].low_high) {
17604: val = dma[c].ch[ch].creg.b.h;
17605: } else {
17606: val = dma[c].ch[ch].creg.b.l;
17607: }
17608: dma[c].low_high = !dma[c].low_high;
17609: return(val);
17610: case 0x08:
17611: // status register
17612: val = (dma[c].req << 4) | dma[c].tc;
17613: dma[c].tc = 0;
17614: return(val);
17615: case 0x0d:
1.1.1.26 root 17616: // temporary register (intel 82374 does not support)
1.1.1.25 root 17617: return(dma[c].tmp & 0xff);
1.1.1.26 root 17618: case 0x0f:
17619: // mask register (intel 82374 does support)
17620: return(dma[c].mask);
1.1.1.25 root 17621: }
17622: return(0xff);
17623: }
17624:
17625: void dma_page_write(int c, int ch, UINT8 data)
17626: {
17627: dma[c].ch[ch].pagereg = data;
17628: }
17629:
17630: UINT8 dma_page_read(int c, int ch)
17631: {
17632: return(dma[c].ch[ch].pagereg);
17633: }
17634:
17635: void dma_run(int c, int ch)
17636: {
17637: UINT8 bit = 1 << ch;
17638:
17639: if((dma[c].req & bit) && !(dma[c].mask & bit)) {
17640: // execute dma
17641: while(dma[c].req & bit) {
17642: if(ch == 0 && (dma[c].cmd & 0x01)) {
17643: // memory -> memory
17644: UINT32 saddr = dma[c].ch[0].areg.w | (dma[c].ch[0].pagereg << 16);
17645: UINT32 daddr = dma[c].ch[1].areg.w | (dma[c].ch[1].pagereg << 16);
17646:
17647: if(c == 0) {
17648: dma[c].tmp = read_byte(saddr);
17649: write_byte(daddr, dma[c].tmp);
17650: } else {
17651: dma[c].tmp = read_word(saddr << 1);
17652: write_word(daddr << 1, dma[c].tmp);
17653: }
17654: if(!(dma[c].cmd & 0x02)) {
17655: if(dma[c].ch[0].mode & 0x20) {
17656: dma[c].ch[0].areg.w--;
17657: if(dma[c].ch[0].areg.w == 0xffff) {
17658: dma[c].ch[0].pagereg--;
17659: }
17660: } else {
17661: dma[c].ch[0].areg.w++;
17662: if(dma[c].ch[0].areg.w == 0) {
17663: dma[c].ch[0].pagereg++;
17664: }
17665: }
17666: }
17667: if(dma[c].ch[1].mode & 0x20) {
17668: dma[c].ch[1].areg.w--;
17669: if(dma[c].ch[1].areg.w == 0xffff) {
17670: dma[c].ch[1].pagereg--;
17671: }
17672: } else {
17673: dma[c].ch[1].areg.w++;
17674: if(dma[c].ch[1].areg.w == 0) {
17675: dma[c].ch[1].pagereg++;
17676: }
17677: }
17678:
17679: // check dma condition
17680: if(dma[c].ch[0].creg.w-- == 0) {
17681: if(dma[c].ch[0].mode & 0x10) {
17682: // self initialize
17683: dma[c].ch[0].areg.w = dma[c].ch[0].bareg.w;
17684: dma[c].ch[0].creg.w = dma[c].ch[0].bcreg.w;
17685: } else {
17686: // dma[c].mask |= bit;
17687: }
17688: }
17689: if(dma[c].ch[1].creg.w-- == 0) {
17690: // terminal count
17691: if(dma[c].ch[1].mode & 0x10) {
17692: // self initialize
17693: dma[c].ch[1].areg.w = dma[c].ch[1].bareg.w;
17694: dma[c].ch[1].creg.w = dma[c].ch[1].bcreg.w;
17695: } else {
17696: dma[c].mask |= bit;
17697: }
17698: dma[c].req &= ~bit;
17699: dma[c].tc |= bit;
17700: }
17701: } else {
17702: UINT32 addr = dma[c].ch[ch].areg.w | (dma[c].ch[ch].pagereg << 16);
17703:
17704: if((dma[c].ch[ch].mode & 0x0c) == 0x00) {
17705: // verify
17706: } else if((dma[c].ch[ch].mode & 0x0c) == 0x04) {
17707: // io -> memory
17708: if(c == 0) {
17709: dma[c].tmp = read_io_byte(dma[c].ch[ch].port);
17710: write_byte(addr, dma[c].tmp);
17711: } else {
17712: dma[c].tmp = read_io_word(dma[c].ch[ch].port);
17713: write_word(addr << 1, dma[c].tmp);
17714: }
17715: } else if((dma[c].ch[ch].mode & 0x0c) == 0x08) {
17716: // memory -> io
17717: if(c == 0) {
17718: dma[c].tmp = read_byte(addr);
17719: write_io_byte(dma[c].ch[ch].port, dma[c].tmp);
17720: } else {
17721: dma[c].tmp = read_word(addr << 1);
17722: write_io_word(dma[c].ch[ch].port, dma[c].tmp);
17723: }
17724: }
17725: if(dma[c].ch[ch].mode & 0x20) {
17726: dma[c].ch[ch].areg.w--;
17727: if(dma[c].ch[ch].areg.w == 0xffff) {
17728: dma[c].ch[ch].pagereg--;
17729: }
17730: } else {
17731: dma[c].ch[ch].areg.w++;
17732: if(dma[c].ch[ch].areg.w == 0) {
17733: dma[c].ch[ch].pagereg++;
17734: }
17735: }
17736:
17737: // check dma condition
17738: if(dma[c].ch[ch].creg.w-- == 0) {
17739: // terminal count
17740: if(dma[c].ch[ch].mode & 0x10) {
17741: // self initialize
17742: dma[c].ch[ch].areg.w = dma[c].ch[ch].bareg.w;
17743: dma[c].ch[ch].creg.w = dma[c].ch[ch].bcreg.w;
17744: } else {
17745: dma[c].mask |= bit;
17746: }
17747: dma[c].req &= ~bit;
17748: dma[c].tc |= bit;
17749: } else if((dma[c].ch[ch].mode & 0xc0) == 0x40) {
17750: // single mode
17751: break;
17752: }
17753: }
17754: }
17755: }
17756: }
17757:
17758: // pic
17759:
17760: void pic_init()
17761: {
17762: memset(pic, 0, sizeof(pic));
17763: pic[0].imr = pic[1].imr = 0xff;
17764:
17765: // from bochs bios
17766: pic_write(0, 0, 0x11); // icw1 = 11h
17767: pic_write(0, 1, 0x08); // icw2 = 08h
17768: pic_write(0, 1, 0x04); // icw3 = 04h
17769: pic_write(0, 1, 0x01); // icw4 = 01h
17770: pic_write(0, 1, 0xb8); // ocw1 = b8h
17771: pic_write(1, 0, 0x11); // icw1 = 11h
17772: pic_write(1, 1, 0x70); // icw2 = 70h
17773: pic_write(1, 1, 0x02); // icw3 = 02h
17774: pic_write(1, 1, 0x01); // icw4 = 01h
17775: }
17776:
17777: void pic_write(int c, UINT32 addr, UINT8 data)
17778: {
17779: if(addr & 1) {
17780: if(pic[c].icw2_r) {
17781: // icw2
17782: pic[c].icw2 = data;
17783: pic[c].icw2_r = 0;
17784: } else if(pic[c].icw3_r) {
17785: // icw3
17786: pic[c].icw3 = data;
17787: pic[c].icw3_r = 0;
17788: } else if(pic[c].icw4_r) {
17789: // icw4
17790: pic[c].icw4 = data;
17791: pic[c].icw4_r = 0;
17792: } else {
17793: // ocw1
1.1 root 17794: pic[c].imr = data;
17795: }
17796: } else {
17797: if(data & 0x10) {
17798: // icw1
17799: pic[c].icw1 = data;
17800: pic[c].icw2_r = 1;
17801: pic[c].icw3_r = (data & 2) ? 0 : 1;
17802: pic[c].icw4_r = data & 1;
17803: pic[c].irr = 0;
17804: pic[c].isr = 0;
17805: pic[c].imr = 0;
17806: pic[c].prio = 0;
17807: if(!(pic[c].icw1 & 1)) {
17808: pic[c].icw4 = 0;
17809: }
17810: pic[c].ocw3 = 0;
17811: } else if(data & 8) {
17812: // ocw3
17813: if(!(data & 2)) {
17814: data = (data & ~1) | (pic[c].ocw3 & 1);
17815: }
17816: if(!(data & 0x40)) {
17817: data = (data & ~0x20) | (pic[c].ocw3 & 0x20);
17818: }
17819: pic[c].ocw3 = data;
17820: } else {
17821: // ocw2
17822: int level = 0;
17823: if(data & 0x40) {
17824: level = data & 7;
17825: } else {
17826: if(!pic[c].isr) {
17827: return;
17828: }
17829: level = pic[c].prio;
17830: while(!(pic[c].isr & (1 << level))) {
17831: level = (level + 1) & 7;
17832: }
17833: }
17834: if(data & 0x80) {
17835: pic[c].prio = (level + 1) & 7;
17836: }
17837: if(data & 0x20) {
17838: pic[c].isr &= ~(1 << level);
17839: }
17840: }
17841: }
17842: pic_update();
17843: }
17844:
17845: UINT8 pic_read(int c, UINT32 addr)
17846: {
17847: if(addr & 1) {
17848: return(pic[c].imr);
17849: } else {
17850: // polling mode is not supported...
17851: //if(pic[c].ocw3 & 4) {
17852: // return ???;
17853: //}
17854: if(pic[c].ocw3 & 1) {
17855: return(pic[c].isr);
17856: } else {
17857: return(pic[c].irr);
17858: }
17859: }
17860: }
17861:
17862: void pic_req(int c, int level, int signal)
17863: {
17864: if(signal) {
17865: pic[c].irr |= (1 << level);
17866: } else {
17867: pic[c].irr &= ~(1 << level);
17868: }
17869: pic_update();
17870: }
17871:
17872: int pic_ack()
17873: {
17874: // ack (INTA=L)
17875: pic[pic_req_chip].isr |= pic_req_bit;
17876: pic[pic_req_chip].irr &= ~pic_req_bit;
17877: if(pic_req_chip > 0) {
17878: // update isr and irr of master
17879: UINT8 slave = 1 << (pic[pic_req_chip].icw3 & 7);
17880: pic[pic_req_chip - 1].isr |= slave;
17881: pic[pic_req_chip - 1].irr &= ~slave;
17882: }
17883: //if(pic[pic_req_chip].icw4 & 1) {
17884: // 8086 mode
17885: int vector = (pic[pic_req_chip].icw2 & 0xf8) | pic_req_level;
17886: //} else {
17887: // // 8080 mode
17888: // UINT16 addr = (UINT16)pic[pic_req_chip].icw2 << 8;
17889: // if(pic[pic_req_chip].icw1 & 4) {
17890: // addr |= (pic[pic_req_chip].icw1 & 0xe0) | (pic_req_level << 2);
17891: // } else {
17892: // addr |= (pic[pic_req_chip].icw1 & 0xc0) | (pic_req_level << 3);
17893: // }
17894: // vector = 0xcd | (addr << 8);
17895: //}
17896: if(pic[pic_req_chip].icw4 & 2) {
17897: // auto eoi
17898: pic[pic_req_chip].isr &= ~pic_req_bit;
17899: }
17900: return(vector);
17901: }
17902:
17903: void pic_update()
17904: {
17905: for(int c = 0; c < 2; c++) {
17906: UINT8 irr = pic[c].irr;
17907: if(c + 1 < 2) {
17908: // this is master
17909: if(pic[c + 1].irr & (~pic[c + 1].imr)) {
17910: // request from slave
17911: irr |= 1 << (pic[c + 1].icw3 & 7);
17912: }
17913: }
17914: irr &= (~pic[c].imr);
17915: if(!irr) {
17916: break;
17917: }
17918: if(!(pic[c].ocw3 & 0x20)) {
17919: irr |= pic[c].isr;
17920: }
17921: int level = pic[c].prio;
17922: UINT8 bit = 1 << level;
17923: while(!(irr & bit)) {
17924: level = (level + 1) & 7;
17925: bit = 1 << level;
17926: }
17927: if((c + 1 < 2) && (pic[c].icw3 & bit)) {
17928: // check slave
17929: continue;
17930: }
17931: if(pic[c].isr & bit) {
17932: break;
17933: }
17934: // interrupt request
17935: pic_req_chip = c;
17936: pic_req_level = level;
17937: pic_req_bit = bit;
1.1.1.3 root 17938: i386_set_irq_line(INPUT_LINE_IRQ, HOLD_LINE);
1.1 root 17939: return;
17940: }
1.1.1.3 root 17941: i386_set_irq_line(INPUT_LINE_IRQ, CLEAR_LINE);
1.1.1.2 root 17942: }
1.1 root 17943:
1.1.1.25 root 17944: // pio
17945:
17946: void pio_init()
17947: {
1.1.1.38 root 17948: // bool conv_mode = (GetConsoleCP() == 932);
17949:
1.1.1.26 root 17950: memset(pio, 0, sizeof(pio));
1.1.1.37 root 17951:
1.1.1.25 root 17952: for(int c = 0; c < 2; c++) {
1.1.1.37 root 17953: pio[c].stat = 0xdf;
1.1.1.25 root 17954: pio[c].ctrl = 0x0c;
1.1.1.38 root 17955: // pio[c].conv_mode = conv_mode;
1.1.1.25 root 17956: }
17957: }
17958:
1.1.1.37 root 17959: void pio_finish()
17960: {
17961: pio_release();
17962: }
17963:
17964: void pio_release()
17965: {
17966: for(int c = 0; c < 2; c++) {
17967: if(pio[c].fp != NULL) {
1.1.1.38 root 17968: if(pio[c].jis_mode) {
17969: fputc(0x1c, pio[c].fp);
17970: fputc(0x2e, pio[c].fp);
17971: }
1.1.1.37 root 17972: fclose(pio[c].fp);
17973: pio[c].fp = NULL;
17974: }
17975: }
17976: }
17977:
1.1.1.25 root 17978: void pio_write(int c, UINT32 addr, UINT8 data)
17979: {
17980: switch(addr & 3) {
17981: case 0:
17982: pio[c].data = data;
17983: break;
17984: case 2:
1.1.1.37 root 17985: if((pio[c].ctrl & 0x01) && !(data & 0x01)) {
17986: // strobe H -> L
17987: if(pio[c].data == 0x0d && (data & 0x02)) {
17988: // auto feed
17989: printer_out(c, 0x0d);
17990: printer_out(c, 0x0a);
17991: } else {
17992: printer_out(c, pio[c].data);
17993: }
17994: pio[c].stat &= ~0x40; // set ack
17995: }
1.1.1.25 root 17996: pio[c].ctrl = data;
17997: break;
17998: }
17999: }
18000:
18001: UINT8 pio_read(int c, UINT32 addr)
18002: {
18003: switch(addr & 3) {
18004: case 0:
1.1.1.37 root 18005: if(pio[c].ctrl & 0x20) {
18006: // input mode
18007: return(0xff);
18008: }
1.1.1.25 root 18009: return(pio[c].data);
18010: case 1:
1.1.1.37 root 18011: {
18012: UINT8 stat = pio[c].stat;
18013: pio[c].stat |= 0x40; // clear ack
18014: return(stat);
18015: }
1.1.1.25 root 18016: case 2:
18017: return(pio[c].ctrl);
18018: }
18019: return(0xff);
18020: }
18021:
1.1.1.37 root 18022: void printer_out(int c, UINT8 data)
18023: {
18024: SYSTEMTIME time;
1.1.1.38 root 18025: bool jis_mode = false;
1.1.1.37 root 18026:
18027: GetLocalTime(&time);
18028:
18029: if(pio[c].fp != NULL) {
18030: // if at least 1000ms passed from last written, close the current file
18031: FILETIME ftime1;
18032: FILETIME ftime2;
18033: SystemTimeToFileTime(&pio[c].time, &ftime1);
18034: SystemTimeToFileTime(&time, &ftime2);
18035: INT64 *time1 = (INT64 *)&ftime1;
18036: INT64 *time2 = (INT64 *)&ftime2;
18037: INT64 msec = (*time2 - *time1) / 10000;
18038:
18039: if(msec >= 1000) {
1.1.1.38 root 18040: if(pio[c].jis_mode) {
18041: fputc(0x1c, pio[c].fp);
18042: fputc(0x2e, pio[c].fp);
18043: jis_mode = true;
18044: }
1.1.1.37 root 18045: fclose(pio[c].fp);
18046: pio[c].fp = NULL;
18047: }
18048: }
18049: if(pio[c].fp == NULL) {
18050: // create a new file in the temp folder
18051: char file_name[MAX_PATH];
18052:
18053: 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);
18054: if(GetTempPath(MAX_PATH, pio[c].path)) {
18055: strcat(pio[c].path, file_name);
18056: } else {
18057: strcpy(pio[c].path, file_name);
18058: }
1.1.1.38 root 18059: pio[c].fp = fopen(pio[c].path, "w+b");
1.1.1.37 root 18060: }
18061: if(pio[c].fp != NULL) {
1.1.1.38 root 18062: if(jis_mode) {
18063: fputc(0x1c, pio[c].fp);
18064: fputc(0x26, pio[c].fp);
18065: }
1.1.1.37 root 18066: fputc(data, pio[c].fp);
1.1.1.38 root 18067:
18068: // reopen file if 1ch 26h 1ch 2eh (kanji-on kanji-off) are written at the top
18069: if(data == 0x2e && ftell(pio[c].fp) == 4) {
18070: UINT8 buffer[4];
18071: fseek(pio[c].fp, 0, SEEK_SET);
18072: fread(buffer, 4, 1, pio[c].fp);
18073: if(buffer[0] == 0x1c && buffer[1] == 0x26 && buffer[2] == 0x1c/* && buffer[3] == 0x2e*/) {
18074: fclose(pio[c].fp);
18075: pio[c].fp = fopen(pio[c].path, "w+b");
18076: }
18077: }
1.1.1.37 root 18078: pio[c].time = time;
18079: }
18080: }
18081:
1.1 root 18082: // pit
18083:
1.1.1.22 root 18084: #define PIT_FREQ 1193182ULL
1.1 root 18085: #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)
18086:
18087: void pit_init()
18088: {
1.1.1.8 root 18089: memset(pit, 0, sizeof(pit));
1.1 root 18090: for(int ch = 0; ch < 3; ch++) {
18091: pit[ch].count = 0x10000;
18092: pit[ch].ctrl_reg = 0x34;
18093: pit[ch].mode = 3;
18094: }
18095:
18096: // from bochs bios
18097: pit_write(3, 0x34);
18098: pit_write(0, 0x00);
18099: pit_write(0, 0x00);
18100: }
18101:
18102: void pit_write(int ch, UINT8 val)
18103: {
1.1.1.8 root 18104: #ifndef PIT_ALWAYS_RUNNING
1.1 root 18105: if(!pit_active) {
18106: pit_active = 1;
18107: pit_init();
18108: }
1.1.1.8 root 18109: #endif
1.1 root 18110: switch(ch) {
18111: case 0:
18112: case 1:
18113: case 2:
18114: // write count register
18115: if(!pit[ch].low_write && !pit[ch].high_write) {
18116: if(pit[ch].ctrl_reg & 0x10) {
18117: pit[ch].low_write = 1;
18118: }
18119: if(pit[ch].ctrl_reg & 0x20) {
18120: pit[ch].high_write = 1;
18121: }
18122: }
18123: if(pit[ch].low_write) {
18124: pit[ch].count_reg = val;
18125: pit[ch].low_write = 0;
18126: } else if(pit[ch].high_write) {
18127: if((pit[ch].ctrl_reg & 0x30) == 0x20) {
18128: pit[ch].count_reg = val << 8;
18129: } else {
18130: pit[ch].count_reg |= val << 8;
18131: }
18132: pit[ch].high_write = 0;
18133: }
18134: // start count
1.1.1.8 root 18135: if(!pit[ch].low_write && !pit[ch].high_write) {
18136: if(pit[ch].mode == 0 || pit[ch].mode == 4 || pit[ch].prev_time == 0) {
18137: pit[ch].count = PIT_COUNT_VALUE(ch);
18138: pit[ch].prev_time = timeGetTime();
18139: pit[ch].expired_time = pit[ch].prev_time + pit_get_expired_time(ch);
1.1 root 18140: }
18141: }
18142: break;
18143: case 3: // ctrl reg
18144: if((val & 0xc0) == 0xc0) {
18145: // i8254 read-back command
18146: for(ch = 0; ch < 3; ch++) {
18147: if(!(val & 0x10) && !pit[ch].status_latched) {
18148: pit[ch].status = pit[ch].ctrl_reg & 0x3f;
18149: pit[ch].status_latched = 1;
18150: }
18151: if(!(val & 0x20) && !pit[ch].count_latched) {
18152: pit_latch_count(ch);
18153: }
18154: }
18155: break;
18156: }
18157: ch = (val >> 6) & 3;
18158: if(val & 0x30) {
1.1.1.35 root 18159: static const int modes[8] = {0, 1, 2, 3, 4, 5, 2, 3};
1.1 root 18160: pit[ch].mode = modes[(val >> 1) & 7];
18161: pit[ch].count_latched = 0;
18162: pit[ch].low_read = pit[ch].high_read = 0;
18163: pit[ch].low_write = pit[ch].high_write = 0;
18164: pit[ch].ctrl_reg = val;
18165: // stop count
1.1.1.8 root 18166: pit[ch].prev_time = pit[ch].expired_time = 0;
1.1 root 18167: pit[ch].count_reg = 0;
18168: } else if(!pit[ch].count_latched) {
18169: pit_latch_count(ch);
18170: }
18171: break;
18172: }
18173: }
18174:
18175: UINT8 pit_read(int ch)
18176: {
1.1.1.8 root 18177: #ifndef PIT_ALWAYS_RUNNING
1.1 root 18178: if(!pit_active) {
18179: pit_active = 1;
18180: pit_init();
18181: }
1.1.1.8 root 18182: #endif
1.1 root 18183: switch(ch) {
18184: case 0:
18185: case 1:
18186: case 2:
18187: if(pit[ch].status_latched) {
18188: pit[ch].status_latched = 0;
18189: return(pit[ch].status);
18190: }
18191: // if not latched, through current count
18192: if(!pit[ch].count_latched) {
18193: if(!pit[ch].low_read && !pit[ch].high_read) {
18194: pit_latch_count(ch);
18195: }
18196: }
18197: // return latched count
18198: if(pit[ch].low_read) {
18199: pit[ch].low_read = 0;
18200: if(!pit[ch].high_read) {
18201: pit[ch].count_latched = 0;
18202: }
18203: return(pit[ch].latch & 0xff);
18204: } else if(pit[ch].high_read) {
18205: pit[ch].high_read = 0;
18206: pit[ch].count_latched = 0;
18207: return((pit[ch].latch >> 8) & 0xff);
18208: }
18209: }
18210: return(0xff);
18211: }
18212:
1.1.1.8 root 18213: int pit_run(int ch, UINT32 cur_time)
1.1 root 18214: {
1.1.1.8 root 18215: if(pit[ch].expired_time != 0 && cur_time >= pit[ch].expired_time) {
1.1 root 18216: pit[ch].count = PIT_COUNT_VALUE(ch);
1.1.1.8 root 18217: pit[ch].prev_time = pit[ch].expired_time;
18218: pit[ch].expired_time = pit[ch].prev_time + pit_get_expired_time(ch);
18219: if(cur_time >= pit[ch].expired_time) {
18220: pit[ch].prev_time = cur_time;
18221: pit[ch].expired_time = pit[ch].prev_time + pit_get_expired_time(ch);
1.1 root 18222: }
1.1.1.8 root 18223: return(1);
1.1 root 18224: }
1.1.1.8 root 18225: return(0);
1.1 root 18226: }
18227:
18228: void pit_latch_count(int ch)
18229: {
1.1.1.8 root 18230: if(pit[ch].expired_time != 0) {
1.1.1.26 root 18231: UINT32 cur_time = timeGetTime();
1.1.1.8 root 18232: pit_run(ch, cur_time);
18233: UINT32 tmp = (pit[ch].count * (pit[ch].expired_time - cur_time)) / (pit[ch].expired_time - pit[ch].prev_time);
1.1.1.26 root 18234: UINT16 latch = (tmp != 0) ? (UINT16)tmp : 1;
18235:
18236: if(pit[ch].prev_latch == latch && pit[ch].expired_time > cur_time) {
18237: // decrement counter in 1msec period
18238: if(pit[ch].next_latch == 0) {
18239: tmp = (pit[ch].count * (pit[ch].expired_time - cur_time - 1)) / (pit[ch].expired_time - pit[ch].prev_time);
18240: pit[ch].next_latch = (tmp != 0) ? (UINT16)tmp : 1;
18241: }
18242: if(pit[ch].latch > pit[ch].next_latch) {
18243: pit[ch].latch--;
18244: }
18245: } else {
18246: pit[ch].prev_latch = pit[ch].latch = latch;
18247: pit[ch].next_latch = 0;
18248: }
1.1.1.8 root 18249: } else {
18250: pit[ch].latch = (UINT16)pit[ch].count;
1.1.1.26 root 18251: pit[ch].prev_latch = pit[ch].next_latch = 0;
1.1 root 18252: }
18253: pit[ch].count_latched = 1;
18254: if((pit[ch].ctrl_reg & 0x30) == 0x10) {
18255: // lower byte
18256: pit[ch].low_read = 1;
18257: pit[ch].high_read = 0;
18258: } else if((pit[ch].ctrl_reg & 0x30) == 0x20) {
18259: // upper byte
18260: pit[ch].low_read = 0;
18261: pit[ch].high_read = 1;
18262: } else {
18263: // lower -> upper
1.1.1.14 root 18264: pit[ch].low_read = pit[ch].high_read = 1;
1.1 root 18265: }
18266: }
18267:
1.1.1.8 root 18268: int pit_get_expired_time(int ch)
1.1 root 18269: {
1.1.1.22 root 18270: pit[ch].accum += 1024ULL * 1000ULL * (UINT64)pit[ch].count / PIT_FREQ;
18271: UINT64 val = pit[ch].accum >> 10;
18272: pit[ch].accum -= val << 10;
18273: return((val != 0) ? val : 1);
1.1.1.8 root 18274: }
18275:
1.1.1.25 root 18276: // sio
18277:
18278: void sio_init()
18279: {
1.1.1.26 root 18280: memset(sio, 0, sizeof(sio));
18281: memset(sio_mt, 0, sizeof(sio_mt));
18282:
1.1.1.29 root 18283: for(int c = 0; c < 4; c++) {
1.1.1.25 root 18284: sio[c].send_buffer = new FIFO(SIO_BUFFER_SIZE);
18285: sio[c].recv_buffer = new FIFO(SIO_BUFFER_SIZE);
18286:
18287: sio[c].divisor.w = 12; // 115200Hz / 9600Baud
18288: sio[c].line_ctrl = 0x03; // 8bit, stop 1bit, non parity
1.1.1.26 root 18289: sio[c].modem_ctrl = 0x03; // rts=on, dtr=on
18290: sio[c].set_rts = sio[c].set_dtr = true;
1.1.1.25 root 18291: sio[c].line_stat_buf = 0x60; // send/recv buffers are empty
18292: sio[c].irq_identify = 0x01; // no pending irq
18293:
18294: InitializeCriticalSection(&sio_mt[c].csSendData);
18295: InitializeCriticalSection(&sio_mt[c].csRecvData);
18296: InitializeCriticalSection(&sio_mt[c].csLineCtrl);
18297: InitializeCriticalSection(&sio_mt[c].csLineStat);
18298: InitializeCriticalSection(&sio_mt[c].csModemCtrl);
18299: InitializeCriticalSection(&sio_mt[c].csModemStat);
18300:
1.1.1.26 root 18301: if(sio_port_number[c] != 0) {
1.1.1.25 root 18302: sio[c].channel = c;
18303: sio_mt[c].hThread = CreateThread(NULL, 0, sio_thread, &sio[c], 0, NULL);
18304: }
18305: }
18306: }
18307:
18308: void sio_finish()
18309: {
1.1.1.29 root 18310: for(int c = 0; c < 4; c++) {
1.1.1.25 root 18311: if(sio_mt[c].hThread != NULL) {
18312: WaitForSingleObject(sio_mt[c].hThread, INFINITE);
18313: CloseHandle(sio_mt[c].hThread);
1.1.1.28 root 18314: sio_mt[c].hThread = NULL;
1.1.1.25 root 18315: }
18316: DeleteCriticalSection(&sio_mt[c].csSendData);
18317: DeleteCriticalSection(&sio_mt[c].csRecvData);
18318: DeleteCriticalSection(&sio_mt[c].csLineCtrl);
18319: DeleteCriticalSection(&sio_mt[c].csLineStat);
18320: DeleteCriticalSection(&sio_mt[c].csModemCtrl);
18321: DeleteCriticalSection(&sio_mt[c].csModemStat);
1.1.1.28 root 18322: }
18323: sio_release();
18324: }
18325:
18326: void sio_release()
18327: {
1.1.1.29 root 18328: for(int c = 0; c < 4; c++) {
1.1.1.28 root 18329: // sio_thread() may access the resources :-(
1.1.1.32 root 18330: bool running = (sio_mt[c].hThread != NULL);
18331:
18332: if(running) {
18333: EnterCriticalSection(&sio_mt[c].csSendData);
18334: }
18335: if(sio[c].send_buffer != NULL) {
18336: sio[c].send_buffer->release();
18337: delete sio[c].send_buffer;
18338: sio[c].send_buffer = NULL;
18339: }
18340: if(running) {
18341: LeaveCriticalSection(&sio_mt[c].csSendData);
18342: EnterCriticalSection(&sio_mt[c].csRecvData);
18343: }
18344: if(sio[c].recv_buffer != NULL) {
18345: sio[c].recv_buffer->release();
18346: delete sio[c].recv_buffer;
18347: sio[c].recv_buffer = NULL;
18348: }
18349: if(running) {
18350: LeaveCriticalSection(&sio_mt[c].csRecvData);
1.1.1.28 root 18351: }
1.1.1.25 root 18352: }
18353: }
18354:
18355: void sio_write(int c, UINT32 addr, UINT8 data)
18356: {
18357: switch(addr & 7) {
18358: case 0:
18359: if(sio[c].selector & 0x80) {
18360: if(sio[c].divisor.b.l != data) {
18361: EnterCriticalSection(&sio_mt[c].csLineCtrl);
18362: sio[c].divisor.b.l = data;
18363: LeaveCriticalSection(&sio_mt[c].csLineCtrl);
18364: }
18365: } else {
18366: EnterCriticalSection(&sio_mt[c].csSendData);
1.1.1.32 root 18367: if(sio[c].send_buffer != NULL) {
18368: sio[c].send_buffer->write(data);
18369: }
1.1.1.25 root 18370: // transmitter holding/shift registers are not empty
18371: sio[c].line_stat_buf &= ~0x60;
18372: LeaveCriticalSection(&sio_mt[c].csSendData);
18373:
18374: if(sio[c].irq_enable & 0x02) {
18375: sio_update_irq(c);
18376: }
18377: }
18378: break;
18379: case 1:
18380: if(sio[c].selector & 0x80) {
18381: if(sio[c].divisor.b.h != data) {
18382: EnterCriticalSection(&sio_mt[c].csLineCtrl);
18383: sio[c].divisor.b.h = data;
18384: LeaveCriticalSection(&sio_mt[c].csLineCtrl);
18385: }
18386: } else {
18387: if(sio[c].irq_enable != data) {
18388: sio[c].irq_enable = data;
18389: sio_update_irq(c);
18390: }
18391: }
18392: break;
18393: case 3:
18394: {
18395: UINT8 line_ctrl = data & 0x3f;
18396: bool set_brk = ((data & 0x40) != 0);
18397:
18398: if(sio[c].line_ctrl != line_ctrl) {
18399: EnterCriticalSection(&sio_mt[c].csLineCtrl);
18400: sio[c].line_ctrl = line_ctrl;
18401: LeaveCriticalSection(&sio_mt[c].csLineCtrl);
18402: }
18403: if(sio[c].set_brk != set_brk) {
18404: EnterCriticalSection(&sio_mt[c].csModemCtrl);
18405: sio[c].set_brk = set_brk;
18406: LeaveCriticalSection(&sio_mt[c].csModemCtrl);
18407: }
18408: }
18409: sio[c].selector = data;
18410: break;
18411: case 4:
18412: {
18413: bool set_dtr = ((data & 0x01) != 0);
18414: bool set_rts = ((data & 0x02) != 0);
18415:
18416: if(sio[c].set_dtr != set_dtr || sio[c].set_rts != set_rts) {
1.1.1.26 root 18417: // EnterCriticalSection(&sio_mt[c].csModemCtrl);
1.1.1.25 root 18418: sio[c].set_dtr = set_dtr;
18419: sio[c].set_rts = set_rts;
1.1.1.26 root 18420: // LeaveCriticalSection(&sio_mt[c].csModemCtrl);
18421:
18422: bool state_changed = false;
18423:
18424: EnterCriticalSection(&sio_mt[c].csModemStat);
18425: if(set_dtr) {
18426: sio[c].modem_stat |= 0x20; // dsr on
18427: } else {
18428: sio[c].modem_stat &= ~0x20; // dsr off
18429: }
18430: if(set_rts) {
18431: sio[c].modem_stat |= 0x10; // cts on
18432: } else {
18433: sio[c].modem_stat &= ~0x10; // cts off
18434: }
18435: if((sio[c].prev_modem_stat & 0x20) != (sio[c].modem_stat & 0x20)) {
18436: if(!(sio[c].modem_stat & 0x02)) {
18437: if(sio[c].irq_enable & 0x08) {
18438: state_changed = true;
18439: }
18440: sio[c].modem_stat |= 0x02;
18441: }
18442: }
18443: if((sio[c].prev_modem_stat & 0x10) != (sio[c].modem_stat & 0x10)) {
18444: if(!(sio[c].modem_stat & 0x01)) {
18445: if(sio[c].irq_enable & 0x08) {
18446: state_changed = true;
18447: }
18448: sio[c].modem_stat |= 0x01;
18449: }
18450: }
18451: LeaveCriticalSection(&sio_mt[c].csModemStat);
18452:
18453: if(state_changed) {
18454: sio_update_irq(c);
18455: }
1.1.1.25 root 18456: }
18457: }
18458: sio[c].modem_ctrl = data;
18459: break;
18460: case 7:
18461: sio[c].scratch = data;
18462: break;
18463: }
18464: }
18465:
18466: UINT8 sio_read(int c, UINT32 addr)
18467: {
18468: switch(addr & 7) {
18469: case 0:
18470: if(sio[c].selector & 0x80) {
18471: return(sio[c].divisor.b.l);
18472: } else {
18473: EnterCriticalSection(&sio_mt[c].csRecvData);
1.1.1.32 root 18474: UINT8 data = 0;
18475: if(sio[c].recv_buffer != NULL) {
18476: data = sio[c].recv_buffer->read();
18477: }
1.1.1.25 root 18478: // data is not ready
18479: sio[c].line_stat_buf &= ~0x01;
18480: LeaveCriticalSection(&sio_mt[c].csRecvData);
18481:
18482: if(sio[c].irq_enable & 0x01) {
18483: sio_update_irq(c);
18484: }
18485: return(data);
18486: }
18487: case 1:
18488: if(sio[c].selector & 0x80) {
18489: return(sio[c].divisor.b.h);
18490: } else {
18491: return(sio[c].irq_enable);
18492: }
18493: case 2:
18494: return(sio[c].irq_identify);
18495: case 3:
18496: return(sio[c].selector);
18497: case 4:
18498: return(sio[c].modem_ctrl);
18499: case 5:
18500: {
18501: EnterCriticalSection(&sio_mt[c].csLineStat);
18502: UINT8 val = sio[c].line_stat_err | sio[c].line_stat_buf;
18503: sio[c].line_stat_err = 0x00;
18504: LeaveCriticalSection(&sio_mt[c].csLineStat);
18505:
18506: bool state_changed = false;
18507:
18508: if((sio[c].line_stat_buf & 0x60) == 0x00) {
18509: EnterCriticalSection(&sio_mt[c].csSendData);
1.1.1.32 root 18510: if(sio[c].send_buffer != NULL && !sio[c].send_buffer->full()) {
1.1.1.25 root 18511: // transmitter holding register will be empty first
18512: if(sio[c].irq_enable & 0x02) {
18513: state_changed = true;
18514: }
18515: sio[c].line_stat_buf |= 0x20;
18516: }
18517: LeaveCriticalSection(&sio_mt[c].csSendData);
18518: } else if((sio[c].line_stat_buf & 0x60) == 0x20) {
18519: // transmitter shift register will be empty later
18520: sio[c].line_stat_buf |= 0x40;
18521: }
18522: if(!(sio[c].line_stat_buf & 0x01)) {
18523: EnterCriticalSection(&sio_mt[c].csRecvData);
1.1.1.32 root 18524: if(sio[c].recv_buffer != NULL && !sio[c].recv_buffer->empty()) {
1.1.1.25 root 18525: // data is ready
18526: if(sio[c].irq_enable & 0x01) {
18527: state_changed = true;
18528: }
18529: sio[c].line_stat_buf |= 0x01;
18530: }
18531: LeaveCriticalSection(&sio_mt[c].csRecvData);
18532: }
18533: if(state_changed) {
18534: sio_update_irq(c);
18535: }
18536: return(val);
18537: }
18538: case 6:
18539: {
18540: EnterCriticalSection(&sio_mt[c].csModemStat);
18541: UINT8 val = sio[c].modem_stat;
18542: sio[c].modem_stat &= 0xf0;
18543: sio[c].prev_modem_stat = sio[c].modem_stat;
18544: LeaveCriticalSection(&sio_mt[c].csModemStat);
18545:
18546: if(sio[c].modem_ctrl & 0x10) {
18547: // loop-back
18548: val &= 0x0f;
18549: val |= (sio[c].modem_ctrl & 0x0c) << 4;
18550: val |= (sio[c].modem_ctrl & 0x01) << 5;
18551: val |= (sio[c].modem_ctrl & 0x02) << 3;
18552: }
18553: return(val);
18554: }
18555: case 7:
18556: return(sio[c].scratch);
18557: }
18558: return(0xff);
18559: }
18560:
18561: void sio_update(int c)
18562: {
18563: if((sio[c].line_stat_buf & 0x60) == 0x00) {
18564: EnterCriticalSection(&sio_mt[c].csSendData);
1.1.1.32 root 18565: if(sio[c].send_buffer != NULL && !sio[c].send_buffer->full()) {
1.1.1.25 root 18566: // transmitter holding/shift registers will be empty
18567: sio[c].line_stat_buf |= 0x60;
18568: }
18569: LeaveCriticalSection(&sio_mt[c].csSendData);
18570: } else if((sio[c].line_stat_buf & 0x60) == 0x20) {
18571: // transmitter shift register will be empty
18572: sio[c].line_stat_buf |= 0x40;
18573: }
18574: if(!(sio[c].line_stat_buf & 0x01)) {
18575: EnterCriticalSection(&sio_mt[c].csRecvData);
1.1.1.32 root 18576: if(sio[c].recv_buffer != NULL && !sio[c].recv_buffer->empty()) {
1.1.1.25 root 18577: // data is ready
18578: sio[c].line_stat_buf |= 0x01;
18579: }
18580: LeaveCriticalSection(&sio_mt[c].csRecvData);
18581: }
18582: sio_update_irq(c);
18583: }
18584:
18585: void sio_update_irq(int c)
18586: {
18587: int level = -1;
18588:
18589: if(sio[c].irq_enable & 0x08) {
18590: EnterCriticalSection(&sio_mt[c].csModemStat);
18591: if((sio[c].modem_stat & 0x0f) != 0) {
18592: level = 0;
18593: }
18594: EnterCriticalSection(&sio_mt[c].csModemStat);
18595: }
18596: if(sio[c].irq_enable & 0x02) {
18597: if(sio[c].line_stat_buf & 0x20) {
18598: level = 1;
18599: }
18600: }
18601: if(sio[c].irq_enable & 0x01) {
18602: if(sio[c].line_stat_buf & 0x01) {
18603: level = 2;
18604: }
18605: }
18606: if(sio[c].irq_enable & 0x04) {
18607: EnterCriticalSection(&sio_mt[c].csLineStat);
18608: if(sio[c].line_stat_err != 0) {
18609: level = 3;
18610: }
18611: LeaveCriticalSection(&sio_mt[c].csLineStat);
18612: }
1.1.1.29 root 18613:
18614: // COM1 and COM3 shares IRQ4, COM2 and COM4 shares IRQ3
1.1.1.25 root 18615: if(level != -1) {
18616: sio[c].irq_identify = level << 1;
1.1.1.29 root 18617: pic_req(0, (c == 0 || c == 2) ? 4 : 3, 1);
1.1.1.25 root 18618: } else {
18619: sio[c].irq_identify = 1;
1.1.1.29 root 18620: pic_req(0, (c == 0 || c == 2) ? 4 : 3, 0);
1.1.1.25 root 18621: }
18622: }
18623:
18624: DWORD WINAPI sio_thread(void *lpx)
18625: {
18626: volatile sio_t *p = (sio_t *)lpx;
18627: sio_mt_t *q = &sio_mt[p->channel];
18628:
18629: char name[] = "COM1";
1.1.1.26 root 18630: name[3] = '0' + sio_port_number[p->channel];
18631: HANDLE hComm = NULL;
18632: COMMPROP commProp;
18633: DCB dcb;
18634: DWORD dwSettableBaud = 0xffb; // 75, 110, 150, 300, 600, 1200, 1800, 2400, 4800, 7200, and 9600bps
18635: BYTE bytBuffer[SIO_BUFFER_SIZE];
18636:
18637: if((hComm = CreateFile(name, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL)) != INVALID_HANDLE_VALUE) {
18638: if(GetCommProperties(hComm, &commProp)) {
18639: dwSettableBaud = commProp.dwSettableBaud;
18640: }
1.1.1.25 root 18641: EscapeCommFunction(hComm, CLRBREAK);
1.1.1.26 root 18642: // EscapeCommFunction(hComm, SETRTS);
18643: // EscapeCommFunction(hComm, SETDTR);
1.1.1.25 root 18644:
18645: while(!m_halted) {
18646: // setup comm port
18647: bool comm_state_changed = false;
18648:
18649: EnterCriticalSection(&q->csLineCtrl);
18650: if((p->prev_divisor != p->divisor.w || p->prev_line_ctrl != p->line_ctrl) && p->divisor.w != 0) {
18651: p->prev_divisor = p->divisor.w;
18652: p->prev_line_ctrl = p->line_ctrl;
18653: comm_state_changed = true;
18654: }
18655: LeaveCriticalSection(&q->csLineCtrl);
18656:
18657: if(comm_state_changed) {
1.1.1.26 root 18658: if(GetCommState(hComm, &dcb)) {
18659: // dcb.BaudRate = min(9600, 115200 / p->prev_divisor);
18660: DWORD baud = 115200 / p->prev_divisor;
18661: dcb.BaudRate = 9600; // default
18662:
18663: if((dwSettableBaud & BAUD_075 ) && baud >= 75 ) dcb.BaudRate = 75;
18664: if((dwSettableBaud & BAUD_110 ) && baud >= 110 ) dcb.BaudRate = 110;
18665: // 134.5bps is not supported ???
18666: // if((dwSettableBaud & BAUD_134_5) && baud >= 134.5) dcb.BaudRate = 134.5;
18667: if((dwSettableBaud & BAUD_150 ) && baud >= 150 ) dcb.BaudRate = 150;
18668: if((dwSettableBaud & BAUD_300 ) && baud >= 300 ) dcb.BaudRate = 300;
18669: if((dwSettableBaud & BAUD_600 ) && baud >= 600 ) dcb.BaudRate = 600;
18670: if((dwSettableBaud & BAUD_1200 ) && baud >= 1200 ) dcb.BaudRate = 1200;
18671: if((dwSettableBaud & BAUD_1800 ) && baud >= 1800 ) dcb.BaudRate = 1800;
18672: if((dwSettableBaud & BAUD_2400 ) && baud >= 2400 ) dcb.BaudRate = 2400;
18673: if((dwSettableBaud & BAUD_4800 ) && baud >= 4800 ) dcb.BaudRate = 4800;
18674: if((dwSettableBaud & BAUD_7200 ) && baud >= 7200 ) dcb.BaudRate = 7200;
18675: if((dwSettableBaud & BAUD_9600 ) && baud >= 9600 ) dcb.BaudRate = 9600;
18676: // if((dwSettableBaud & BAUD_14400) && baud >= 14400) dcb.BaudRate = 14400;
18677: // if((dwSettableBaud & BAUD_19200) && baud >= 19200) dcb.BaudRate = 19200;
18678: // if((dwSettableBaud & BAUD_38400) && baud >= 38400) dcb.BaudRate = 38400;
18679:
18680: switch(p->prev_line_ctrl & 0x03) {
18681: case 0x00: dcb.ByteSize = 5; break;
18682: case 0x01: dcb.ByteSize = 6; break;
18683: case 0x02: dcb.ByteSize = 7; break;
18684: case 0x03: dcb.ByteSize = 8; break;
18685: }
18686: switch(p->prev_line_ctrl & 0x04) {
18687: case 0x00: dcb.StopBits = ONESTOPBIT; break;
18688: case 0x04: dcb.StopBits = (dcb.ByteSize == 5) ? ONE5STOPBITS : TWOSTOPBITS; break;
18689: }
18690: switch(p->prev_line_ctrl & 0x38) {
18691: case 0x08: dcb.Parity = ODDPARITY; break;
18692: case 0x18: dcb.Parity = EVENPARITY; break;
18693: case 0x28: dcb.Parity = MARKPARITY; break;
18694: case 0x38: dcb.Parity = SPACEPARITY; break;
18695: default: dcb.Parity = NOPARITY; break;
18696: }
18697: dcb.fBinary = TRUE;
18698: dcb.fParity = (dcb.Parity != NOPARITY);
18699: dcb.fOutxCtsFlow = dcb.fOutxDsrFlow = TRUE;
18700: dcb.fDtrControl = DTR_CONTROL_HANDSHAKE;
18701: dcb.fDsrSensitivity = FALSE;//TRUE;
18702: dcb.fTXContinueOnXoff = TRUE;
18703: dcb.fOutX = dcb.fInX = FALSE;
18704: dcb.fErrorChar = FALSE;
18705: dcb.fNull = FALSE;
18706: dcb.fRtsControl = RTS_CONTROL_HANDSHAKE;
18707: dcb.fAbortOnError = FALSE;
18708:
18709: SetCommState(hComm, &dcb);
1.1.1.25 root 18710: }
18711:
18712: // check again to apply all comm state changes
18713: Sleep(10);
18714: continue;
18715: }
18716:
18717: // set comm pins
18718: bool change_brk = false;
1.1.1.26 root 18719: // bool change_rts = false;
18720: // bool change_dtr = false;
1.1.1.25 root 18721:
18722: EnterCriticalSection(&q->csModemCtrl);
18723: if(p->prev_set_brk != p->set_brk) {
18724: p->prev_set_brk = p->set_brk;
18725: change_brk = true;
18726: }
1.1.1.26 root 18727: // if(p->prev_set_rts != p->set_rts) {
18728: // p->prev_set_rts = p->set_rts;
18729: // change_rts = true;
18730: // }
18731: // if(p->prev_set_dtr != p->set_dtr) {
18732: // p->prev_set_dtr = p->set_dtr;
18733: // change_dtr = true;
18734: // }
1.1.1.25 root 18735: LeaveCriticalSection(&q->csModemCtrl);
18736:
18737: if(change_brk) {
1.1.1.26 root 18738: static UINT32 clear_time = 0;
18739: if(p->prev_set_brk) {
18740: EscapeCommFunction(hComm, SETBREAK);
18741: clear_time = timeGetTime() + 200;
18742: } else {
18743: // keep break for at least 200msec
18744: UINT32 cur_time = timeGetTime();
18745: if(clear_time > cur_time) {
18746: Sleep(clear_time - cur_time);
18747: }
18748: EscapeCommFunction(hComm, CLRBREAK);
18749: }
1.1.1.25 root 18750: }
1.1.1.26 root 18751: // if(change_rts) {
18752: // if(p->prev_set_rts) {
18753: // EscapeCommFunction(hComm, SETRTS);
18754: // } else {
18755: // EscapeCommFunction(hComm, CLRRTS);
18756: // }
18757: // }
18758: // if(change_dtr) {
18759: // if(p->prev_set_dtr) {
18760: // EscapeCommFunction(hComm, SETDTR);
18761: // } else {
18762: // EscapeCommFunction(hComm, CLRDTR);
18763: // }
18764: // }
1.1.1.25 root 18765:
18766: // get comm pins
18767: DWORD dwModemStat = 0;
18768:
18769: if(GetCommModemStatus(hComm, &dwModemStat)) {
18770: EnterCriticalSection(&q->csModemStat);
18771: if(dwModemStat & MS_RLSD_ON) {
18772: p->modem_stat |= 0x80;
18773: } else {
18774: p->modem_stat &= ~0x80;
18775: }
18776: if(dwModemStat & MS_RING_ON) {
18777: p->modem_stat |= 0x40;
18778: } else {
18779: p->modem_stat &= ~0x40;
18780: }
1.1.1.26 root 18781: // if(dwModemStat & MS_DSR_ON) {
18782: // p->modem_stat |= 0x20;
18783: // } else {
18784: // p->modem_stat &= ~0x20;
18785: // }
18786: // if(dwModemStat & MS_CTS_ON) {
18787: // p->modem_stat |= 0x10;
18788: // } else {
18789: // p->modem_stat &= ~0x10;
18790: // }
1.1.1.25 root 18791: if((p->prev_modem_stat & 0x80) != (p->modem_stat & 0x80)) {
18792: p->modem_stat |= 0x08;
18793: }
18794: if((p->prev_modem_stat & 0x40) && !(p->modem_stat & 0x40)) {
18795: p->modem_stat |= 0x04;
18796: }
1.1.1.26 root 18797: // if((p->prev_modem_stat & 0x20) != (p->modem_stat & 0x20)) {
18798: // p->modem_stat |= 0x02;
18799: // }
18800: // if((p->prev_modem_stat & 0x10) != (p->modem_stat & 0x10)) {
18801: // p->modem_stat |= 0x01;
18802: // }
1.1.1.25 root 18803: LeaveCriticalSection(&q->csModemStat);
18804: }
18805:
18806: // send data
18807: DWORD dwSend = 0;
18808:
18809: EnterCriticalSection(&q->csSendData);
1.1.1.32 root 18810: while(p->send_buffer != NULL && !p->send_buffer->empty()) {
1.1.1.25 root 18811: bytBuffer[dwSend++] = p->send_buffer->read();
18812: }
18813: LeaveCriticalSection(&q->csSendData);
18814:
18815: if(dwSend != 0) {
18816: DWORD dwWritten = 0;
18817: WriteFile(hComm, bytBuffer, dwSend, &dwWritten, NULL);
18818: }
18819:
18820: // get line status and recv data
18821: DWORD dwLineStat = 0;
18822: COMSTAT comStat;
18823:
18824: if(ClearCommError(hComm, &dwLineStat, &comStat)) {
18825: EnterCriticalSection(&q->csLineStat);
18826: if(dwLineStat & CE_BREAK) {
18827: p->line_stat_err |= 0x10;
18828: }
18829: if(dwLineStat & CE_FRAME) {
18830: p->line_stat_err |= 0x08;
18831: }
18832: if(dwLineStat & CE_RXPARITY) {
18833: p->line_stat_err |= 0x04;
18834: }
18835: if(dwLineStat & CE_OVERRUN) {
18836: p->line_stat_err |= 0x02;
18837: }
18838: LeaveCriticalSection(&q->csLineStat);
18839:
18840: if(comStat.cbInQue != 0) {
18841: EnterCriticalSection(&q->csRecvData);
1.1.1.32 root 18842: DWORD dwRecv = 0;
18843: if(p->recv_buffer != NULL) {
18844: dwRecv = min(comStat.cbInQue, p->recv_buffer->remain());
18845: }
1.1.1.25 root 18846: LeaveCriticalSection(&q->csRecvData);
18847:
18848: if(dwRecv != 0) {
18849: DWORD dwRead = 0;
18850: if(ReadFile(hComm, bytBuffer, dwRecv, &dwRead, NULL) && dwRead != 0) {
18851: EnterCriticalSection(&q->csRecvData);
1.1.1.32 root 18852: if(p->recv_buffer != NULL) {
18853: for(int i = 0; i < dwRead; i++) {
18854: p->recv_buffer->write(bytBuffer[i]);
18855: }
1.1.1.25 root 18856: }
18857: LeaveCriticalSection(&q->csRecvData);
18858: }
18859: }
18860: }
18861: }
18862: Sleep(10);
18863: }
18864: CloseHandle(hComm);
18865: }
18866: return 0;
18867: }
18868:
1.1.1.8 root 18869: // cmos
18870:
18871: void cmos_init()
18872: {
18873: memset(cmos, 0, sizeof(cmos));
18874: cmos_addr = 0;
1.1 root 18875:
1.1.1.8 root 18876: // from DOSBox
18877: cmos_write(0x0a, 0x26);
18878: cmos_write(0x0b, 0x02);
18879: cmos_write(0x0d, 0x80);
1.1 root 18880: }
18881:
1.1.1.8 root 18882: void cmos_write(int addr, UINT8 val)
1.1 root 18883: {
1.1.1.8 root 18884: cmos[addr & 0x7f] = val;
18885: }
18886:
18887: #define CMOS_GET_TIME() { \
18888: UINT32 cur_sec = timeGetTime() / 1000 ; \
18889: if(prev_sec != cur_sec) { \
18890: GetLocalTime(&time); \
18891: prev_sec = cur_sec; \
18892: } \
1.1 root 18893: }
1.1.1.8 root 18894: #define CMOS_BCD(v) ((cmos[0x0b] & 4) ? (v) : to_bcd(v))
1.1 root 18895:
1.1.1.8 root 18896: UINT8 cmos_read(int addr)
1.1 root 18897: {
1.1.1.8 root 18898: static SYSTEMTIME time;
18899: static UINT32 prev_sec = 0;
1.1 root 18900:
1.1.1.8 root 18901: switch(addr & 0x7f) {
18902: case 0x00: CMOS_GET_TIME(); return(CMOS_BCD(time.wSecond));
18903: case 0x02: CMOS_GET_TIME(); return(CMOS_BCD(time.wMinute));
18904: case 0x04: CMOS_GET_TIME(); return(CMOS_BCD(time.wHour));
18905: case 0x06: CMOS_GET_TIME(); return(time.wDayOfWeek + 1);
18906: case 0x07: CMOS_GET_TIME(); return(CMOS_BCD(time.wDay));
18907: case 0x08: CMOS_GET_TIME(); return(CMOS_BCD(time.wMonth));
18908: case 0x09: CMOS_GET_TIME(); return(CMOS_BCD(time.wYear));
18909: // case 0x0a: return((cmos[0x0a] & 0x7f) | ((timeGetTime() % 1000) < 2 ? 0x80 : 0)); // 2msec
18910: case 0x0a: return((cmos[0x0a] & 0x7f) | ((timeGetTime() % 1000) < 20 ? 0x80 : 0)); // precision of timeGetTime() may not be 1msec
18911: case 0x15: return((MEMORY_END >> 10) & 0xff);
18912: case 0x16: return((MEMORY_END >> 18) & 0xff);
18913: case 0x17: return(((MAX_MEM - 0x100000) >> 10) & 0xff);
18914: case 0x18: return(((MAX_MEM - 0x100000) >> 18) & 0xff);
18915: case 0x30: return(((MAX_MEM - 0x100000) >> 10) & 0xff);
18916: case 0x31: return(((MAX_MEM - 0x100000) >> 18) & 0xff);
18917: case 0x32: CMOS_GET_TIME(); return(CMOS_BCD(time.wYear / 100));
1.1 root 18918: }
1.1.1.8 root 18919: return(cmos[addr & 0x7f]);
1.1 root 18920: }
18921:
1.1.1.7 root 18922: // kbd (a20)
18923:
18924: void kbd_init()
18925: {
1.1.1.8 root 18926: kbd_data = kbd_command = 0;
1.1.1.7 root 18927: kbd_status = 0x18;
18928: }
18929:
18930: UINT8 kbd_read_data()
18931: {
1.1.1.8 root 18932: kbd_status &= ~1;
1.1.1.7 root 18933: return(kbd_data);
18934: }
18935:
18936: void kbd_write_data(UINT8 val)
18937: {
18938: switch(kbd_command) {
18939: case 0xd1:
18940: i386_set_a20_line((val >> 1) & 1);
18941: break;
18942: }
18943: kbd_command = 0;
1.1.1.8 root 18944: kbd_status &= ~8;
1.1.1.7 root 18945: }
18946:
18947: UINT8 kbd_read_status()
18948: {
18949: return(kbd_status);
18950: }
18951:
18952: void kbd_write_command(UINT8 val)
18953: {
18954: switch(val) {
18955: case 0xd0:
18956: kbd_data = ((m_a20_mask >> 19) & 2) | 1;
1.1.1.8 root 18957: kbd_status |= 1;
1.1.1.7 root 18958: break;
18959: case 0xdd:
18960: i386_set_a20_line(0);
18961: break;
18962: case 0xdf:
18963: i386_set_a20_line(1);
18964: break;
1.1.1.26 root 18965: case 0xf0: case 0xf1: case 0xf2: case 0xf3: case 0xf4: case 0xf5: case 0xf6: case 0xf7:
18966: case 0xf8: case 0xf9: case 0xfa: case 0xfb: case 0xfc: case 0xfd: case 0xfe: case 0xff:
1.1.1.7 root 18967: if(!(val & 1)) {
1.1.1.8 root 18968: if((cmos[0x0f] & 0x7f) == 5) {
1.1.1.7 root 18969: // reset pic
18970: pic_init();
18971: pic[0].irr = pic[1].irr = 0x00;
18972: pic[0].imr = pic[1].imr = 0xff;
18973: }
18974: CPU_RESET_CALL(CPU_MODEL);
1.1.1.40 root 18975: UINT16 address = *(UINT16 *)(mem + 0x467);
18976: UINT16 selector = *(UINT16 *)(mem + 0x469);
18977: i386_jmp_far(selector, address);
1.1.1.7 root 18978: }
18979: i386_set_a20_line((val >> 1) & 1);
18980: break;
18981: }
18982: kbd_command = val;
1.1.1.8 root 18983: kbd_status |= 8;
1.1.1.7 root 18984: }
18985:
1.1.1.9 root 18986: // vga
18987:
18988: UINT8 vga_read_status()
18989: {
18990: // 60hz
18991: static const int period[3] = {16, 17, 17};
18992: static int index = 0;
18993: UINT32 time = timeGetTime() % period[index];
18994:
18995: index = (index + 1) % 3;
1.1.1.14 root 18996: return((time < 4 ? 0x08 : 0) | (time == 0 ? 0 : 0x01));
1.1.1.9 root 18997: }
18998:
1.1 root 18999: // i/o bus
19000:
1.1.1.29 root 19001: // this is ugly patch for SW1US.EXE, it sometimes mistakely read/write 01h-10h for serial I/O
19002: //#define SW1US_PATCH
19003:
1.1.1.25 root 19004: UINT8 read_io_byte(offs_t addr)
1.1.1.33 root 19005: #ifdef USE_DEBUGGER
1.1.1.25 root 19006: {
1.1.1.33 root 19007: if(now_debugging) {
19008: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
19009: if(in_break_point.table[i].status == 1) {
19010: if(addr == in_break_point.table[i].addr) {
19011: in_break_point.hit = i + 1;
19012: now_suspended = true;
19013: break;
19014: }
19015: }
19016: }
1.1.1.25 root 19017: }
1.1.1.33 root 19018: return(debugger_read_io_byte(addr));
1.1.1.25 root 19019: }
1.1.1.33 root 19020: UINT8 debugger_read_io_byte(offs_t addr)
1.1.1.25 root 19021: #endif
1.1 root 19022: {
1.1.1.33 root 19023: UINT8 val = 0xff;
19024:
1.1 root 19025: switch(addr) {
1.1.1.29 root 19026: #ifdef SW1US_PATCH
19027: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07: case 0x08:
19028: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f: case 0x10:
1.1.1.33 root 19029: val = sio_read(0, addr - 1);
19030: break;
1.1.1.29 root 19031: #else
1.1.1.25 root 19032: case 0x00: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07:
19033: case 0x08: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f:
1.1.1.33 root 19034: val = dma_read(0, addr);
19035: break;
1.1.1.29 root 19036: #endif
1.1.1.25 root 19037: case 0x20: case 0x21:
1.1.1.33 root 19038: val = pic_read(0, addr);
19039: break;
1.1.1.25 root 19040: case 0x40: case 0x41: case 0x42: case 0x43:
1.1.1.33 root 19041: val = pit_read(addr & 0x03);
19042: break;
1.1.1.7 root 19043: case 0x60:
1.1.1.33 root 19044: val = kbd_read_data();
19045: break;
1.1.1.9 root 19046: case 0x61:
1.1.1.33 root 19047: val = system_port;
19048: break;
1.1.1.7 root 19049: case 0x64:
1.1.1.33 root 19050: val = kbd_read_status();
19051: break;
1.1 root 19052: case 0x71:
1.1.1.33 root 19053: val = cmos_read(cmos_addr);
19054: break;
1.1.1.25 root 19055: case 0x81:
1.1.1.33 root 19056: val = dma_page_read(0, 2);
19057: break;
1.1.1.25 root 19058: case 0x82:
1.1.1.33 root 19059: val = dma_page_read(0, 3);
19060: break;
1.1.1.25 root 19061: case 0x83:
1.1.1.33 root 19062: val = dma_page_read(0, 1);
19063: break;
1.1.1.25 root 19064: case 0x87:
1.1.1.33 root 19065: val = dma_page_read(0, 0);
19066: break;
1.1.1.25 root 19067: case 0x89:
1.1.1.33 root 19068: val = dma_page_read(1, 2);
19069: break;
1.1.1.25 root 19070: case 0x8a:
1.1.1.33 root 19071: val = dma_page_read(1, 3);
19072: break;
1.1.1.25 root 19073: case 0x8b:
1.1.1.33 root 19074: val = dma_page_read(1, 1);
19075: break;
1.1.1.25 root 19076: case 0x8f:
1.1.1.33 root 19077: val = dma_page_read(1, 0);
19078: break;
1.1 root 19079: case 0x92:
1.1.1.33 root 19080: val = (m_a20_mask >> 19) & 2;
19081: break;
1.1.1.25 root 19082: case 0xa0: case 0xa1:
1.1.1.33 root 19083: val = pic_read(1, addr);
19084: break;
1.1.1.25 root 19085: case 0xc0: case 0xc2: case 0xc4: case 0xc6: case 0xc8: case 0xca: case 0xcc: case 0xce:
19086: case 0xd0: case 0xd2: case 0xd4: case 0xd6: case 0xd8: case 0xda: case 0xdc: case 0xde:
1.1.1.33 root 19087: val = dma_read(1, (addr - 0xc0) >> 1);
19088: break;
1.1.1.37 root 19089: case 0x278: case 0x279: case 0x27a:
19090: val = pio_read(1, addr);
19091: break;
1.1.1.29 root 19092: case 0x2e8: case 0x2e9: case 0x2ea: case 0x2eb: case 0x2ec: case 0x2ed: case 0x2ee: case 0x2ef:
1.1.1.33 root 19093: val = sio_read(3, addr);
19094: break;
1.1.1.25 root 19095: case 0x2f8: case 0x2f9: case 0x2fa: case 0x2fb: case 0x2fc: case 0x2fd: case 0x2fe: case 0x2ff:
1.1.1.33 root 19096: val = sio_read(1, addr);
19097: break;
1.1.1.25 root 19098: case 0x378: case 0x379: case 0x37a:
1.1.1.33 root 19099: val = pio_read(0, addr);
19100: break;
1.1.1.25 root 19101: case 0x3ba: case 0x3da:
1.1.1.33 root 19102: val = vga_read_status();
19103: break;
1.1.1.37 root 19104: case 0x3bc: case 0x3bd: case 0x3be:
19105: val = pio_read(2, addr);
19106: break;
1.1.1.29 root 19107: case 0x3e8: case 0x3e9: case 0x3ea: case 0x3eb: case 0x3ec: case 0x3ed: case 0x3ee: case 0x3ef:
1.1.1.33 root 19108: val = sio_read(2, addr);
19109: break;
1.1.1.25 root 19110: case 0x3f8: case 0x3f9: case 0x3fa: case 0x3fb: case 0x3fc: case 0x3fd: case 0x3fe: case 0x3ff:
1.1.1.33 root 19111: val = sio_read(0, addr);
19112: break;
1.1 root 19113: default:
1.1.1.33 root 19114: // fatalerror("unknown inb %4x\n", addr);
1.1 root 19115: break;
19116: }
1.1.1.33 root 19117: #ifdef ENABLE_DEBUG_IOPORT
19118: if(fp_debug_log != NULL) {
19119: fprintf(fp_debug_log, "inb %04X, %02X\n", addr, val);
19120: }
19121: #endif
19122: return(val);
1.1 root 19123: }
19124:
19125: UINT16 read_io_word(offs_t addr)
19126: {
19127: return(read_io_byte(addr) | (read_io_byte(addr + 1) << 8));
19128: }
19129:
1.1.1.33 root 19130: #ifdef USE_DEBUGGER
19131: UINT16 debugger_read_io_word(offs_t addr)
19132: {
19133: return(debugger_read_io_byte(addr) | (debugger_read_io_byte(addr + 1) << 8));
19134: }
19135: #endif
19136:
1.1 root 19137: UINT32 read_io_dword(offs_t addr)
19138: {
19139: return(read_io_byte(addr) | (read_io_byte(addr + 1) << 8) | (read_io_byte(addr + 2) << 16) | (read_io_byte(addr + 3) << 24));
19140: }
19141:
1.1.1.33 root 19142: #ifdef USE_DEBUGGER
19143: UINT32 debugger_read_io_dword(offs_t addr)
19144: {
19145: 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));
19146: }
19147: #endif
19148:
1.1 root 19149: void write_io_byte(offs_t addr, UINT8 val)
1.1.1.33 root 19150: #ifdef USE_DEBUGGER
19151: {
19152: if(now_debugging) {
19153: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
19154: if(out_break_point.table[i].status == 1) {
19155: if(addr == out_break_point.table[i].addr) {
19156: out_break_point.hit = i + 1;
19157: now_suspended = true;
19158: break;
19159: }
19160: }
19161: }
19162: }
19163: debugger_write_io_byte(addr, val);
19164: }
19165: void debugger_write_io_byte(offs_t addr, UINT8 val)
19166: #endif
1.1 root 19167: {
1.1.1.25 root 19168: #ifdef ENABLE_DEBUG_IOPORT
1.1.1.33 root 19169: if(fp_debug_log != NULL) {
1.1.1.43 root 19170: #ifdef USE_SERVICE_THREAD
19171: if(addr != 0xf7)
19172: #endif
1.1.1.33 root 19173: fprintf(fp_debug_log, "outb %04X, %02X\n", addr, val);
1.1.1.25 root 19174: }
19175: #endif
1.1 root 19176: switch(addr) {
1.1.1.29 root 19177: #ifdef SW1US_PATCH
19178: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07: case 0x08:
19179: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f: case 0x10:
19180: sio_write(0, addr - 1, val);
19181: break;
19182: #else
1.1.1.25 root 19183: case 0x00: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07:
19184: case 0x08: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f:
19185: dma_write(0, addr, val);
19186: break;
1.1.1.29 root 19187: #endif
1.1.1.25 root 19188: case 0x20: case 0x21:
1.1 root 19189: pic_write(0, addr, val);
19190: break;
1.1.1.25 root 19191: case 0x40: case 0x41: case 0x42: case 0x43:
1.1 root 19192: pit_write(addr & 0x03, val);
19193: break;
1.1.1.7 root 19194: case 0x60:
19195: kbd_write_data(val);
19196: break;
1.1.1.9 root 19197: case 0x61:
19198: if((system_port & 3) != 3 && (val & 3) == 3) {
19199: // beep on
19200: // MessageBeep(-1);
19201: } else if((system_port & 3) == 3 && (val & 3) != 3) {
19202: // beep off
19203: }
19204: system_port = val;
19205: break;
1.1 root 19206: case 0x64:
1.1.1.7 root 19207: kbd_write_command(val);
1.1 root 19208: break;
19209: case 0x70:
19210: cmos_addr = val;
19211: break;
19212: case 0x71:
1.1.1.8 root 19213: cmos_write(cmos_addr, val);
1.1 root 19214: break;
1.1.1.25 root 19215: case 0x81:
19216: dma_page_write(0, 2, val);
19217: case 0x82:
19218: dma_page_write(0, 3, val);
19219: case 0x83:
19220: dma_page_write(0, 1, val);
19221: case 0x87:
19222: dma_page_write(0, 0, val);
19223: case 0x89:
19224: dma_page_write(1, 2, val);
19225: case 0x8a:
19226: dma_page_write(1, 3, val);
19227: case 0x8b:
19228: dma_page_write(1, 1, val);
19229: case 0x8f:
19230: dma_page_write(1, 0, val);
1.1 root 19231: case 0x92:
1.1.1.7 root 19232: i386_set_a20_line((val >> 1) & 1);
1.1 root 19233: break;
1.1.1.25 root 19234: case 0xa0: case 0xa1:
1.1 root 19235: pic_write(1, addr, val);
19236: break;
1.1.1.25 root 19237: case 0xc0: case 0xc2: case 0xc4: case 0xc6: case 0xc8: case 0xca: case 0xcc: case 0xce:
19238: case 0xd0: case 0xd2: case 0xd4: case 0xd6: case 0xd8: case 0xda: case 0xdc: case 0xde:
1.1.1.26 root 19239: dma_write(1, (addr - 0xc0) >> 1, val);
1.1.1.25 root 19240: break;
1.1.1.35 root 19241: #ifdef USE_SERVICE_THREAD
19242: case 0xf7:
19243: // dummy i/o for BIOS/DOS service
1.1.1.36 root 19244: if(in_service && cursor_moved) {
19245: // update cursor position before service is done
19246: pcbios_update_cursor_position();
19247: cursor_moved = false;
19248: }
1.1.1.35 root 19249: finish_service_loop();
19250: break;
19251: #endif
1.1.1.37 root 19252: case 0x278: case 0x279: case 0x27a:
19253: pio_write(1, addr, val);
19254: break;
1.1.1.29 root 19255: case 0x2e8: case 0x2e9: case 0x2ea: case 0x2eb: case 0x2ec: case 0x2ed: case 0x2ee: case 0x2ef:
19256: sio_write(3, addr, val);
19257: break;
1.1.1.25 root 19258: case 0x2f8: case 0x2f9: case 0x2fa: case 0x2fb: case 0x2fc: case 0x2fd: case 0x2fe: case 0x2ff:
19259: sio_write(1, addr, val);
19260: break;
19261: case 0x378: case 0x379: case 0x37a:
19262: pio_write(0, addr, val);
19263: break;
1.1.1.37 root 19264: case 0x3bc: case 0x3bd: case 0x3be:
19265: pio_write(2, addr, val);
19266: break;
1.1.1.29 root 19267: case 0x3e8: case 0x3e9: case 0x3ea: case 0x3eb: case 0x3ec: case 0x3ed: case 0x3ee: case 0x3ef:
19268: sio_write(2, addr, val);
19269: break;
1.1.1.25 root 19270: case 0x3f8: case 0x3f9: case 0x3fa: case 0x3fb: case 0x3fc: case 0x3fd: case 0x3fe: case 0x3ff:
19271: sio_write(0, addr, val);
19272: break;
1.1 root 19273: default:
1.1.1.33 root 19274: // fatalerror("unknown outb %4x,%2x\n", addr, val);
1.1 root 19275: break;
19276: }
19277: }
19278:
19279: void write_io_word(offs_t addr, UINT16 val)
19280: {
19281: write_io_byte(addr + 0, (val >> 0) & 0xff);
19282: write_io_byte(addr + 1, (val >> 8) & 0xff);
19283: }
19284:
1.1.1.33 root 19285: #ifdef USE_DEBUGGER
19286: void debugger_write_io_word(offs_t addr, UINT16 val)
19287: {
19288: debugger_write_io_byte(addr + 0, (val >> 0) & 0xff);
19289: debugger_write_io_byte(addr + 1, (val >> 8) & 0xff);
19290: }
19291: #endif
19292:
1.1 root 19293: void write_io_dword(offs_t addr, UINT32 val)
19294: {
19295: write_io_byte(addr + 0, (val >> 0) & 0xff);
19296: write_io_byte(addr + 1, (val >> 8) & 0xff);
19297: write_io_byte(addr + 2, (val >> 16) & 0xff);
19298: write_io_byte(addr + 3, (val >> 24) & 0xff);
19299: }
1.1.1.33 root 19300:
19301: #ifdef USE_DEBUGGER
19302: void debugger_write_io_dword(offs_t addr, UINT32 val)
19303: {
19304: debugger_write_io_byte(addr + 0, (val >> 0) & 0xff);
19305: debugger_write_io_byte(addr + 1, (val >> 8) & 0xff);
19306: debugger_write_io_byte(addr + 2, (val >> 16) & 0xff);
19307: debugger_write_io_byte(addr + 3, (val >> 24) & 0xff);
19308: }
19309: #endif
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