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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
1.1.1.25 root 34: #define unimplemented_14h fatalerror
1.1.1.22 root 35: #define unimplemented_15h fatalerror
36: #define unimplemented_16h fatalerror
1.1.1.37 root 37: #define unimplemented_17h fatalerror
1.1.1.22 root 38: #define unimplemented_1ah fatalerror
39: #define unimplemented_21h fatalerror
40: #define unimplemented_2fh fatalerror
1.1.1.24 root 41: #define unimplemented_33h fatalerror
1.1.1.22 root 42: #define unimplemented_67h fatalerror
43: #define unimplemented_xms fatalerror
44: #endif
45: #endif
46: #ifndef unimplemented_10h
47: #define unimplemented_10h nolog
48: #endif
1.1.1.25 root 49: #ifndef unimplemented_14h
50: #define unimplemented_14h nolog
51: #endif
1.1.1.22 root 52: #ifndef unimplemented_15h
53: #define unimplemented_15h nolog
54: #endif
55: #ifndef unimplemented_16h
56: #define unimplemented_16h nolog
57: #endif
1.1.1.37 root 58: #ifndef unimplemented_17h
59: #define unimplemented_17h nolog
60: #endif
1.1.1.22 root 61: #ifndef unimplemented_1ah
62: #define unimplemented_1ah nolog
63: #endif
64: #ifndef unimplemented_21h
65: #define unimplemented_21h nolog
66: #endif
67: #ifndef unimplemented_2fh
68: #define unimplemented_2fh nolog
69: #endif
1.1.1.24 root 70: #ifndef unimplemented_33h
71: #define unimplemented_33h nolog
72: #endif
1.1.1.22 root 73: #ifndef unimplemented_67h
74: #define unimplemented_67h nolog
75: #endif
76: #ifndef unimplemented_xms
77: #define unimplemented_xms nolog
78: #endif
79:
1.1.1.32 root 80: #define array_length(array) (sizeof(array) / sizeof(array[0]))
1.1.1.22 root 81: #define my_strchr(str, chr) (char *)_mbschr((unsigned char *)(str), (unsigned int)(chr))
82: #define my_strtok(tok, del) (char *)_mbstok((unsigned char *)(tok), (const unsigned char *)(del))
83: #define my_strupr(str) (char *)_mbsupr((unsigned char *)(str))
1.1 root 84:
1.1.1.12 root 85: #if defined(__MINGW32__)
86: extern "C" int _CRT_glob = 0;
87: #endif
88:
89: /*
90: kludge for "more-standardized" C++
91: */
92: #if !defined(_MSC_VER)
93: inline int kludge_min(int a, int b) { return (a<b ? a:b); }
94: inline int kludge_max(int a, int b) { return (a>b ? a:b); }
95: #define min(a,b) kludge_min(a,b)
96: #define max(a,b) kludge_max(a,b)
1.1.1.14 root 97: #elif _MSC_VER >= 1400
98: void ignore_invalid_parameters(const wchar_t *, const wchar_t *, const wchar_t *, unsigned int, uintptr_t)
99: {
100: }
101: #endif
102:
1.1.1.35 root 103: #define USE_VRAM_THREAD
1.1.1.14 root 104:
1.1.1.35 root 105: #ifdef USE_VRAM_THREAD
1.1.1.14 root 106: static CRITICAL_SECTION vram_crit_sect;
107: #else
108: #define vram_flush()
1.1.1.12 root 109: #endif
110:
1.1.1.14 root 111: #define VIDEO_REGEN *(UINT16 *)(mem + 0x44c)
112: #define SCR_BUF(y,x) scr_buf[(y) * scr_buf_size.X + (x)]
113:
114: void change_console_size(int width, int height);
115: void clear_scr_buffer(WORD attr);
116:
117: static UINT32 vram_length_char = 0, vram_length_attr = 0;
118: static UINT32 vram_last_length_char = 0, vram_last_length_attr = 0;
119: static COORD vram_coord_char, vram_coord_attr;
120:
1.1.1.28 root 121: char temp_file_path[MAX_PATH];
122: bool temp_file_created = false;
123:
1.1.1.14 root 124: bool ignore_illegal_insn = false;
125: bool limit_max_memory = false;
126: bool no_windows = false;
127: bool stay_busy = false;
1.1.1.19 root 128: bool support_ems = false;
129: #ifdef SUPPORT_XMS
130: bool support_xms = false;
131: #endif
1.1.1.29 root 132: int sio_port_number[4] = {0, 0, 0, 0};
1.1.1.14 root 133:
134: BOOL is_vista_or_later;
135:
1.1.1.35 root 136: #define UPDATE_OPS 16384
137: #define REQUEST_HARDWRE_UPDATE() { \
138: update_ops = UPDATE_OPS - 1; \
139: }
140: UINT32 update_ops = 0;
141: UINT32 idle_ops = 0;
142:
1.1.1.14 root 143: inline void maybe_idle()
144: {
145: // if it appears to be in a tight loop, assume waiting for input
146: // allow for one updated video character, for a spinning cursor
1.1.1.35 root 147: if(!stay_busy && idle_ops < 1024 && vram_length_char <= 1 && vram_length_attr <= 1) {
1.1.1.14 root 148: Sleep(10);
1.1.1.35 root 149: REQUEST_HARDWRE_UPDATE();
1.1.1.14 root 150: }
1.1.1.35 root 151: idle_ops = 0;
1.1.1.14 root 152: }
1.1.1.12 root 153:
1.1 root 154: /* ----------------------------------------------------------------------------
1.1.1.3 root 155: MAME i86/i386
1.1 root 156: ---------------------------------------------------------------------------- */
157:
1.1.1.10 root 158: #ifndef __BIG_ENDIAN__
1.1 root 159: #define LSB_FIRST
1.1.1.10 root 160: #endif
1.1 root 161:
162: #ifndef INLINE
163: #define INLINE inline
164: #endif
165: #define U64(v) UINT64(v)
166:
167: //#define logerror(...) fprintf(stderr, __VA_ARGS__)
168: #define logerror(...)
169: //#define popmessage(...) fprintf(stderr, __VA_ARGS__)
170: #define popmessage(...)
171:
172: /*****************************************************************************/
1.1.1.10 root 173: /* src/emu/devcpu.h */
174:
175: // CPU interface functions
176: #define CPU_INIT_NAME(name) cpu_init_##name
177: #define CPU_INIT(name) void CPU_INIT_NAME(name)()
178: #define CPU_INIT_CALL(name) CPU_INIT_NAME(name)()
179:
180: #define CPU_RESET_NAME(name) cpu_reset_##name
181: #define CPU_RESET(name) void CPU_RESET_NAME(name)()
182: #define CPU_RESET_CALL(name) CPU_RESET_NAME(name)()
183:
184: #define CPU_EXECUTE_NAME(name) cpu_execute_##name
185: #define CPU_EXECUTE(name) void CPU_EXECUTE_NAME(name)()
186: #define CPU_EXECUTE_CALL(name) CPU_EXECUTE_NAME(name)()
187:
188: #define CPU_TRANSLATE_NAME(name) cpu_translate_##name
189: #define CPU_TRANSLATE(name) int CPU_TRANSLATE_NAME(name)(address_spacenum space, int intention, offs_t *address)
190: #define CPU_TRANSLATE_CALL(name) CPU_TRANSLATE_NAME(name)(space, intention, address)
191:
192: #define CPU_DISASSEMBLE_NAME(name) cpu_disassemble_##name
193: #define CPU_DISASSEMBLE(name) int CPU_DISASSEMBLE_NAME(name)(char *buffer, offs_t eip, const UINT8 *oprom)
194: #define CPU_DISASSEMBLE_CALL(name) CPU_DISASSEMBLE_NAME(name)(buffer, eip, oprom)
195:
1.1.1.14 root 196: #define CPU_MODEL_STR(name) #name
197: #define CPU_MODEL_NAME(name) CPU_MODEL_STR(name)
198:
1.1.1.10 root 199: /*****************************************************************************/
200: /* src/emu/didisasm.h */
201:
202: // Disassembler constants
203: const UINT32 DASMFLAG_SUPPORTED = 0x80000000; // are disassembly flags supported?
204: const UINT32 DASMFLAG_STEP_OUT = 0x40000000; // this instruction should be the end of a step out sequence
205: const UINT32 DASMFLAG_STEP_OVER = 0x20000000; // this instruction should be stepped over by setting a breakpoint afterwards
206: const UINT32 DASMFLAG_OVERINSTMASK = 0x18000000; // number of extra instructions to skip when stepping over
207: const UINT32 DASMFLAG_OVERINSTSHIFT = 27; // bits to shift after masking to get the value
208: const UINT32 DASMFLAG_LENGTHMASK = 0x0000ffff; // the low 16-bits contain the actual length
209:
210: /*****************************************************************************/
1.1 root 211: /* src/emu/diexec.h */
212:
213: // I/O line states
214: enum line_state
215: {
216: CLEAR_LINE = 0, // clear (a fired or held) line
217: ASSERT_LINE, // assert an interrupt immediately
218: HOLD_LINE, // hold interrupt line until acknowledged
219: PULSE_LINE // pulse interrupt line instantaneously (only for NMI, RESET)
220: };
221:
222: // I/O line definitions
223: enum
224: {
225: INPUT_LINE_IRQ = 0,
226: INPUT_LINE_NMI
227: };
228:
229: /*****************************************************************************/
1.1.1.10 root 230: /* src/emu/dimemory.h */
1.1 root 231:
1.1.1.10 root 232: // Translation intentions
233: const int TRANSLATE_TYPE_MASK = 0x03; // read write or fetch
234: const int TRANSLATE_USER_MASK = 0x04; // user mode or fully privileged
235: const int TRANSLATE_DEBUG_MASK = 0x08; // debug mode (no side effects)
236:
237: const int TRANSLATE_READ = 0; // translate for read
238: const int TRANSLATE_WRITE = 1; // translate for write
239: const int TRANSLATE_FETCH = 2; // translate for instruction fetch
240: const int TRANSLATE_READ_USER = (TRANSLATE_READ | TRANSLATE_USER_MASK);
241: const int TRANSLATE_WRITE_USER = (TRANSLATE_WRITE | TRANSLATE_USER_MASK);
242: const int TRANSLATE_FETCH_USER = (TRANSLATE_FETCH | TRANSLATE_USER_MASK);
243: const int TRANSLATE_READ_DEBUG = (TRANSLATE_READ | TRANSLATE_DEBUG_MASK);
244: const int TRANSLATE_WRITE_DEBUG = (TRANSLATE_WRITE | TRANSLATE_DEBUG_MASK);
245: const int TRANSLATE_FETCH_DEBUG = (TRANSLATE_FETCH | TRANSLATE_DEBUG_MASK);
1.1 root 246:
1.1.1.10 root 247: /*****************************************************************************/
248: /* src/emu/emucore.h */
1.1 root 249:
1.1.1.10 root 250: // constants for expression endianness
251: enum endianness_t
252: {
253: ENDIANNESS_LITTLE,
254: ENDIANNESS_BIG
255: };
1.1 root 256:
1.1.1.10 root 257: // declare native endianness to be one or the other
258: #ifdef LSB_FIRST
259: const endianness_t ENDIANNESS_NATIVE = ENDIANNESS_LITTLE;
260: #else
261: const endianness_t ENDIANNESS_NATIVE = ENDIANNESS_BIG;
262: #endif
263:
264: // endian-based value: first value is if 'endian' is little-endian, second is if 'endian' is big-endian
265: #define ENDIAN_VALUE_LE_BE(endian,leval,beval) (((endian) == ENDIANNESS_LITTLE) ? (leval) : (beval))
266:
267: // endian-based value: first value is if native endianness is little-endian, second is if native is big-endian
268: #define NATIVE_ENDIAN_VALUE_LE_BE(leval,beval) ENDIAN_VALUE_LE_BE(ENDIANNESS_NATIVE, leval, beval)
269:
270: // endian-based value: first value is if 'endian' matches native, second is if 'endian' doesn't match native
271: #define ENDIAN_VALUE_NE_NNE(endian,leval,beval) (((endian) == ENDIANNESS_NATIVE) ? (neval) : (nneval))
1.1 root 272:
273: /*****************************************************************************/
274: /* src/emu/memory.h */
275:
1.1.1.10 root 276: // address spaces
277: enum address_spacenum
278: {
279: AS_0, // first address space
280: AS_1, // second address space
281: AS_2, // third address space
282: AS_3, // fourth address space
283: ADDRESS_SPACES, // maximum number of address spaces
284:
285: // alternate address space names for common use
286: AS_PROGRAM = AS_0, // program address space
287: AS_DATA = AS_1, // data address space
288: AS_IO = AS_2 // I/O address space
289: };
290:
1.1 root 291: // offsets and addresses are 32-bit (for now...)
1.1.1.30 root 292: //typedef UINT32 offs_t;
1.1 root 293:
294: // read accessors
295: UINT8 read_byte(offs_t byteaddress)
1.1.1.33 root 296: #ifdef USE_DEBUGGER
297: {
298: if(now_debugging) {
299: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
300: if(rd_break_point.table[i].status == 1) {
301: if(byteaddress == rd_break_point.table[i].addr) {
302: rd_break_point.hit = i + 1;
303: now_suspended = true;
304: break;
305: }
306: }
307: }
308: }
309: return(debugger_read_byte(byteaddress));
310: }
311: UINT8 debugger_read_byte(offs_t byteaddress)
312: #endif
1.1 root 313: {
1.1.1.4 root 314: #if defined(HAS_I386)
1.1 root 315: if(byteaddress < MAX_MEM) {
316: return mem[byteaddress];
1.1.1.3 root 317: // } else if((byteaddress & 0xfffffff0) == 0xfffffff0) {
318: // return read_byte(byteaddress & 0xfffff);
1.1 root 319: }
320: return 0;
1.1.1.4 root 321: #else
322: return mem[byteaddress];
323: #endif
1.1 root 324: }
325:
326: UINT16 read_word(offs_t byteaddress)
1.1.1.33 root 327: #ifdef USE_DEBUGGER
328: {
329: if(now_debugging) {
330: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
331: if(rd_break_point.table[i].status == 1) {
332: if(byteaddress >= rd_break_point.table[i].addr && byteaddress < rd_break_point.table[i].addr + 2) {
333: rd_break_point.hit = i + 1;
334: now_suspended = true;
335: break;
336: }
337: }
338: }
339: }
340: return(debugger_read_word(byteaddress));
341: }
342: UINT16 debugger_read_word(offs_t byteaddress)
343: #endif
1.1 root 344: {
1.1.1.14 root 345: if(byteaddress == 0x41c) {
346: // pointer to first free slot in keyboard buffer
347: // XXX: the buffer itself doesn't actually exist in DOS memory
1.1.1.35 root 348: if(key_buf_char != NULL && key_buf_scan != NULL) {
349: #ifdef USE_SERVICE_THREAD
350: EnterCriticalSection(&key_buf_crit_sect);
351: #endif
352: int count = key_buf_char->count();
353: #ifdef USE_SERVICE_THREAD
354: LeaveCriticalSection(&key_buf_crit_sect);
355: #endif
356: if(count == 0) {
1.1.1.32 root 357: maybe_idle();
358: }
1.1.1.35 root 359: return (UINT16)count;
1.1.1.14 root 360: }
1.1.1.32 root 361: return 0;
1.1.1.14 root 362: }
1.1.1.4 root 363: #if defined(HAS_I386)
1.1 root 364: if(byteaddress < MAX_MEM - 1) {
365: return *(UINT16 *)(mem + byteaddress);
1.1.1.3 root 366: // } else if((byteaddress & 0xfffffff0) == 0xfffffff0) {
367: // return read_word(byteaddress & 0xfffff);
1.1 root 368: }
369: return 0;
1.1.1.4 root 370: #else
371: return *(UINT16 *)(mem + byteaddress);
372: #endif
1.1 root 373: }
374:
375: UINT32 read_dword(offs_t byteaddress)
1.1.1.33 root 376: #ifdef USE_DEBUGGER
377: {
378: if(now_debugging) {
379: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
380: if(rd_break_point.table[i].status == 1) {
381: if(byteaddress >= rd_break_point.table[i].addr && byteaddress < rd_break_point.table[i].addr + 4) {
382: rd_break_point.hit = i + 1;
383: now_suspended = true;
384: break;
385: }
386: }
387: }
388: }
389: return(debugger_read_dword(byteaddress));
390: }
391: UINT32 debugger_read_dword(offs_t byteaddress)
392: #endif
1.1 root 393: {
1.1.1.4 root 394: #if defined(HAS_I386)
1.1 root 395: if(byteaddress < MAX_MEM - 3) {
396: return *(UINT32 *)(mem + byteaddress);
1.1.1.3 root 397: // } else if((byteaddress & 0xfffffff0) == 0xfffffff0) {
398: // return read_dword(byteaddress & 0xfffff);
1.1 root 399: }
400: return 0;
1.1.1.4 root 401: #else
402: return *(UINT32 *)(mem + byteaddress);
403: #endif
1.1 root 404: }
405:
406: // write accessors
1.1.1.35 root 407: #ifdef USE_VRAM_THREAD
1.1.1.14 root 408: void vram_flush_char()
409: {
410: if(vram_length_char != 0) {
411: DWORD num;
1.1.1.23 root 412: WriteConsoleOutputCharacter(GetStdHandle(STD_OUTPUT_HANDLE), scr_char, vram_length_char, vram_coord_char, &num);
1.1.1.14 root 413: vram_length_char = vram_last_length_char = 0;
414: }
415: }
416:
417: void vram_flush_attr()
418: {
419: if(vram_length_attr != 0) {
420: DWORD num;
1.1.1.23 root 421: WriteConsoleOutputAttribute(GetStdHandle(STD_OUTPUT_HANDLE), scr_attr, vram_length_attr, vram_coord_attr, &num);
1.1.1.14 root 422: vram_length_attr = vram_last_length_attr = 0;
423: }
424: }
425:
426: void vram_flush()
427: {
428: if(vram_length_char != 0 || vram_length_attr != 0) {
429: EnterCriticalSection(&vram_crit_sect);
430: vram_flush_char();
431: vram_flush_attr();
432: LeaveCriticalSection(&vram_crit_sect);
433: }
434: }
435: #endif
436:
437: void write_text_vram_char(offs_t offset, UINT8 data)
1.1.1.8 root 438: {
1.1.1.35 root 439: #ifdef USE_VRAM_THREAD
1.1.1.14 root 440: static offs_t first_offset_char, last_offset_char;
441:
442: if(vram_length_char != 0) {
443: if(offset <= last_offset_char && offset >= first_offset_char) {
444: scr_char[(offset - first_offset_char) >> 1] = data;
445: return;
446: }
447: if(offset != last_offset_char + 2) {
448: vram_flush_char();
449: }
450: }
451: if(vram_length_char == 0) {
452: first_offset_char = offset;
453: vram_coord_char.X = (offset >> 1) % scr_width;
454: vram_coord_char.Y = (offset >> 1) / scr_width + scr_top;
455: }
456: scr_char[vram_length_char++] = data;
457: last_offset_char = offset;
458: #else
1.1.1.8 root 459: COORD co;
460: DWORD num;
461:
1.1.1.14 root 462: co.X = (offset >> 1) % scr_width;
463: co.Y = (offset >> 1) / scr_width;
464: scr_char[0] = data;
1.1.1.23 root 465: WriteConsoleOutputCharacter(GetStdHandle(STD_OUTPUT_HANDLE), scr_char, 1, co, &num);
1.1.1.14 root 466: #endif
467: }
468:
469: void write_text_vram_attr(offs_t offset, UINT8 data)
470: {
1.1.1.35 root 471: #ifdef USE_VRAM_THREAD
1.1.1.14 root 472: static offs_t first_offset_attr, last_offset_attr;
473:
474: if(vram_length_attr != 0) {
475: if(offset <= last_offset_attr && offset >= first_offset_attr) {
476: scr_attr[(offset - first_offset_attr) >> 1] = data;
477: return;
478: }
479: if(offset != last_offset_attr + 2) {
480: vram_flush_attr();
481: }
482: }
483: if(vram_length_attr == 0) {
484: first_offset_attr = offset;
485: vram_coord_attr.X = (offset >> 1) % scr_width;
486: vram_coord_attr.Y = (offset >> 1) / scr_width + scr_top;
487: }
488: scr_attr[vram_length_attr++] = data;
489: last_offset_attr = offset;
490: #else
491: COORD co;
492: DWORD num;
1.1.1.8 root 493:
1.1.1.14 root 494: co.X = (offset >> 1) % scr_width;
495: co.Y = (offset >> 1) / scr_width;
496: scr_attr[0] = data;
1.1.1.23 root 497: WriteConsoleOutputAttribute(GetStdHandle(STD_OUTPUT_HANDLE), scr_attr, 1, co, &num);
1.1.1.14 root 498: #endif
499: }
500:
501: void write_text_vram_byte(offs_t offset, UINT8 data)
502: {
1.1.1.35 root 503: #ifdef USE_VRAM_THREAD
1.1.1.14 root 504: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 505: #endif
1.1.1.8 root 506: if(offset & 1) {
1.1.1.14 root 507: write_text_vram_attr(offset, data);
1.1.1.8 root 508: } else {
1.1.1.14 root 509: write_text_vram_char(offset, data);
1.1.1.8 root 510: }
1.1.1.35 root 511: #ifdef USE_VRAM_THREAD
1.1.1.14 root 512: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 513: #endif
1.1.1.8 root 514: }
515:
516: void write_text_vram_word(offs_t offset, UINT16 data)
517: {
1.1.1.35 root 518: #ifdef USE_VRAM_THREAD
1.1.1.14 root 519: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 520: #endif
1.1.1.8 root 521: if(offset & 1) {
1.1.1.14 root 522: write_text_vram_attr(offset , (data ) & 0xff);
523: write_text_vram_char(offset + 1, (data >> 8) & 0xff);
1.1.1.8 root 524: } else {
1.1.1.14 root 525: write_text_vram_char(offset , (data ) & 0xff);
526: write_text_vram_attr(offset + 1, (data >> 8) & 0xff);
1.1.1.8 root 527: }
1.1.1.35 root 528: #ifdef USE_VRAM_THREAD
1.1.1.14 root 529: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 530: #endif
1.1.1.8 root 531: }
532:
533: void write_text_vram_dword(offs_t offset, UINT32 data)
534: {
1.1.1.35 root 535: #ifdef USE_VRAM_THREAD
1.1.1.14 root 536: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 537: #endif
1.1.1.8 root 538: if(offset & 1) {
1.1.1.14 root 539: write_text_vram_attr(offset , (data ) & 0xff);
540: write_text_vram_char(offset + 1, (data >> 8) & 0xff);
541: write_text_vram_attr(offset + 2, (data >> 16) & 0xff);
542: write_text_vram_char(offset + 3, (data >> 24) & 0xff);
543: } else {
544: write_text_vram_char(offset , (data ) & 0xff);
545: write_text_vram_attr(offset + 1, (data >> 8) & 0xff);
546: write_text_vram_char(offset + 2, (data >> 16) & 0xff);
547: write_text_vram_attr(offset + 3, (data >> 24) & 0xff);
1.1.1.8 root 548: }
1.1.1.35 root 549: #ifdef USE_VRAM_THREAD
1.1.1.14 root 550: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 551: #endif
1.1.1.8 root 552: }
553:
1.1 root 554: void write_byte(offs_t byteaddress, UINT8 data)
1.1.1.33 root 555: #ifdef USE_DEBUGGER
556: {
557: if(now_debugging) {
558: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
559: if(wr_break_point.table[i].status == 1) {
560: if(byteaddress == wr_break_point.table[i].addr) {
561: wr_break_point.hit = i + 1;
562: now_suspended = true;
563: break;
564: }
565: }
566: }
567: }
568: debugger_write_byte(byteaddress, data);
569: }
570: void debugger_write_byte(offs_t byteaddress, UINT8 data)
571: #endif
1.1 root 572: {
1.1.1.8 root 573: if(byteaddress < MEMORY_END) {
1.1.1.3 root 574: mem[byteaddress] = data;
1.1.1.8 root 575: } else if(byteaddress >= text_vram_top_address && byteaddress < text_vram_end_address) {
1.1.1.14 root 576: if(!restore_console_on_exit) {
577: change_console_size(scr_width, scr_height);
1.1.1.12 root 578: }
1.1.1.8 root 579: write_text_vram_byte(byteaddress - text_vram_top_address, data);
580: mem[byteaddress] = data;
581: } else if(byteaddress >= shadow_buffer_top_address && byteaddress < shadow_buffer_end_address) {
582: if(int_10h_feh_called && !int_10h_ffh_called) {
583: write_text_vram_byte(byteaddress - shadow_buffer_top_address, data);
1.1 root 584: }
585: mem[byteaddress] = data;
1.1.1.4 root 586: #if defined(HAS_I386)
1.1.1.3 root 587: } else if(byteaddress < MAX_MEM) {
1.1.1.4 root 588: #else
589: } else {
590: #endif
1.1.1.3 root 591: mem[byteaddress] = data;
1.1 root 592: }
593: }
594:
595: void write_word(offs_t byteaddress, UINT16 data)
1.1.1.33 root 596: #ifdef USE_DEBUGGER
597: {
598: if(now_debugging) {
599: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
600: if(wr_break_point.table[i].status == 1) {
601: if(byteaddress >= wr_break_point.table[i].addr && byteaddress < wr_break_point.table[i].addr + 2) {
602: wr_break_point.hit = i + 1;
603: now_suspended = true;
604: break;
605: }
606: }
607: }
608: }
609: debugger_write_word(byteaddress, data);
610: }
611: void debugger_write_word(offs_t byteaddress, UINT16 data)
612: #endif
1.1 root 613: {
1.1.1.8 root 614: if(byteaddress < MEMORY_END) {
1.1.1.14 root 615: if(byteaddress == 0x450 + mem[0x462] * 2) {
616: COORD co;
617: co.X = data & 0xff;
618: co.Y = (data >> 8) + scr_top;
1.1.1.23 root 619: SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), co);
1.1.1.14 root 620: }
1.1.1.3 root 621: *(UINT16 *)(mem + byteaddress) = data;
1.1.1.8 root 622: } else if(byteaddress >= text_vram_top_address && byteaddress < text_vram_end_address) {
1.1.1.14 root 623: if(!restore_console_on_exit) {
624: change_console_size(scr_width, scr_height);
1.1.1.12 root 625: }
1.1.1.8 root 626: write_text_vram_word(byteaddress - text_vram_top_address, data);
627: *(UINT16 *)(mem + byteaddress) = data;
628: } else if(byteaddress >= shadow_buffer_top_address && byteaddress < shadow_buffer_end_address) {
629: if(int_10h_feh_called && !int_10h_ffh_called) {
630: write_text_vram_word(byteaddress - shadow_buffer_top_address, data);
1.1 root 631: }
632: *(UINT16 *)(mem + byteaddress) = data;
1.1.1.4 root 633: #if defined(HAS_I386)
1.1.1.3 root 634: } else if(byteaddress < MAX_MEM - 1) {
1.1.1.4 root 635: #else
636: } else {
637: #endif
1.1.1.3 root 638: *(UINT16 *)(mem + byteaddress) = data;
1.1 root 639: }
640: }
641:
642: void write_dword(offs_t byteaddress, UINT32 data)
1.1.1.33 root 643: #ifdef USE_DEBUGGER
644: {
645: if(now_debugging) {
646: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
647: if(wr_break_point.table[i].status == 1) {
648: if(byteaddress >= wr_break_point.table[i].addr && byteaddress < wr_break_point.table[i].addr + 4) {
649: wr_break_point.hit = i + 1;
650: now_suspended = true;
651: break;
652: }
653: }
654: }
655: }
656: debugger_write_dword(byteaddress, data);
657: }
658: void debugger_write_dword(offs_t byteaddress, UINT32 data)
659: #endif
1.1 root 660: {
1.1.1.8 root 661: if(byteaddress < MEMORY_END) {
1.1.1.3 root 662: *(UINT32 *)(mem + byteaddress) = data;
1.1.1.8 root 663: } else if(byteaddress >= text_vram_top_address && byteaddress < text_vram_end_address) {
1.1.1.14 root 664: if(!restore_console_on_exit) {
665: change_console_size(scr_width, scr_height);
1.1.1.12 root 666: }
1.1.1.8 root 667: write_text_vram_dword(byteaddress - text_vram_top_address, data);
668: *(UINT32 *)(mem + byteaddress) = data;
669: } else if(byteaddress >= shadow_buffer_top_address && byteaddress < shadow_buffer_end_address) {
670: if(int_10h_feh_called && !int_10h_ffh_called) {
671: write_text_vram_dword(byteaddress - shadow_buffer_top_address, data);
1.1 root 672: }
673: *(UINT32 *)(mem + byteaddress) = data;
1.1.1.4 root 674: #if defined(HAS_I386)
1.1.1.3 root 675: } else if(byteaddress < MAX_MEM - 3) {
1.1.1.4 root 676: #else
677: } else {
678: #endif
1.1.1.3 root 679: *(UINT32 *)(mem + byteaddress) = data;
1.1 root 680: }
681: }
682:
683: #define read_decrypted_byte read_byte
684: #define read_decrypted_word read_word
685: #define read_decrypted_dword read_dword
686:
1.1.1.3 root 687: #define read_raw_byte read_byte
688: #define write_raw_byte write_byte
689:
690: #define read_word_unaligned read_word
691: #define write_word_unaligned write_word
692:
693: #define read_io_word_unaligned read_io_word
694: #define write_io_word_unaligned write_io_word
695:
1.1 root 696: UINT8 read_io_byte(offs_t byteaddress);
697: UINT16 read_io_word(offs_t byteaddress);
698: UINT32 read_io_dword(offs_t byteaddress);
699:
700: void write_io_byte(offs_t byteaddress, UINT8 data);
701: void write_io_word(offs_t byteaddress, UINT16 data);
702: void write_io_dword(offs_t byteaddress, UINT32 data);
703:
704: /*****************************************************************************/
705: /* src/osd/osdcomm.h */
706:
707: /* Highly useful macro for compile-time knowledge of an array size */
708: #define ARRAY_LENGTH(x) (sizeof(x) / sizeof(x[0]))
709:
1.1.1.3 root 710: #if defined(HAS_I386)
1.1.1.10 root 711: static CPU_TRANSLATE(i386);
712: #include "mame/lib/softfloat/softfloat.c"
713: #include "mame/emu/cpu/i386/i386.c"
1.1.1.12 root 714: #include "mame/emu/cpu/vtlb.c"
1.1.1.3 root 715: #elif defined(HAS_I286)
1.1.1.10 root 716: #include "mame/emu/cpu/i86/i286.c"
1.1.1.3 root 717: #else
1.1.1.10 root 718: #include "mame/emu/cpu/i86/i86.c"
1.1.1.3 root 719: #endif
1.1.1.33 root 720: #ifdef USE_DEBUGGER
1.1.1.10 root 721: #include "mame/emu/cpu/i386/i386dasm.c"
1.1 root 722: #endif
723:
1.1.1.3 root 724: #if defined(HAS_I386)
725: #define SREG(x) m_sreg[x].selector
726: #define SREG_BASE(x) m_sreg[x].base
727: int cpu_type, cpu_step;
728: #else
729: #define REG8(x) m_regs.b[x]
730: #define REG16(x) m_regs.w[x]
731: #define SREG(x) m_sregs[x]
732: #define SREG_BASE(x) m_base[x]
1.1.1.33 root 733: #define m_eip (m_pc - m_base[CS])
1.1.1.3 root 734: #define m_CF m_CarryVal
735: #define m_a20_mask AMASK
736: #define i386_load_segment_descriptor(x) m_base[x] = SegBase(x)
737: #if defined(HAS_I286)
738: #define i386_set_a20_line(x) i80286_set_a20_line(x)
739: #else
740: #define i386_set_a20_line(x)
741: #endif
742: #define i386_set_irq_line(x, y) set_irq_line(x, y)
743: #endif
1.1 root 744:
745: void i386_jmp_far(UINT16 selector, UINT32 address)
746: {
1.1.1.3 root 747: #if defined(HAS_I386)
1.1 root 748: if(PROTECTED_MODE && !V8086_MODE) {
1.1.1.3 root 749: i386_protected_mode_jump(selector, address, 1, m_operand_size);
1.1 root 750: } else {
1.1.1.3 root 751: SREG(CS) = selector;
752: m_performed_intersegment_jump = 1;
753: i386_load_segment_descriptor(CS);
754: m_eip = address;
755: CHANGE_PC(m_eip);
1.1 root 756: }
1.1.1.3 root 757: #elif defined(HAS_I286)
758: i80286_code_descriptor(selector, address, 1);
759: #else
760: SREG(CS) = selector;
761: i386_load_segment_descriptor(CS);
762: m_pc = (SREG_BASE(CS) + address) & m_a20_mask;
763: #endif
1.1 root 764: }
765:
1.1.1.35 root 766: #ifdef USE_SERVICE_THREAD
1.1.1.24 root 767: void i386_call_far(UINT16 selector, UINT32 address)
768: {
769: #if defined(HAS_I386)
770: if(PROTECTED_MODE && !V8086_MODE) {
771: i386_protected_mode_call(selector, address, 1, m_operand_size);
772: } else {
773: PUSH16(SREG(CS));
774: PUSH16(m_eip);
775: SREG(CS) = selector;
776: m_performed_intersegment_jump = 1;
777: i386_load_segment_descriptor(CS);
778: m_eip = address;
779: CHANGE_PC(m_eip);
780: }
781: #else
782: UINT16 ip = m_pc - SREG_BASE(CS);
783: UINT16 cs = SREG(CS);
784: #if defined(HAS_I286)
785: i80286_code_descriptor(selector, address, 2);
786: #else
787: SREG(CS) = selector;
788: i386_load_segment_descriptor(CS);
789: m_pc = (SREG_BASE(CS) + address) & m_a20_mask;
790: #endif
791: PUSH(cs);
792: PUSH(ip);
793: CHANGE_PC(m_pc);
794: #endif
795: }
1.1.1.35 root 796: #endif
1.1.1.24 root 797:
1.1.1.29 root 798: UINT16 i386_read_stack()
799: {
800: #if defined(HAS_I386)
801: UINT32 ea, new_esp;
802: if( STACK_32BIT ) {
803: new_esp = REG32(ESP) + 2;
804: ea = i386_translate(SS, new_esp - 2, 0);
805: } else {
806: new_esp = REG16(SP) + 2;
807: ea = i386_translate(SS, (new_esp - 2) & 0xffff, 0);
808: }
809: return READ16(ea);
810: #else
811: UINT16 sp = m_regs.w[SP] + 2;
812: return ReadWord(((m_base[SS] + ((sp - 2) & 0xffff)) & AMASK));
813: #endif
814: }
815:
1.1 root 816: /* ----------------------------------------------------------------------------
1.1.1.33 root 817: debugger
818: ---------------------------------------------------------------------------- */
819:
820: #ifdef USE_DEBUGGER
821: #define TELNET_BLUE 0x0004 // text color contains blue.
822: #define TELNET_GREEN 0x0002 // text color contains green.
823: #define TELNET_RED 0x0001 // text color contains red.
824: #define TELNET_INTENSITY 0x0008 // text color is intensified.
825:
826: int svr_socket = 0;
827: int cli_socket = 0;
828:
829: process_t *msdos_process_info_get(UINT16 psp_seg, bool show_error);
830:
831: void debugger_init()
832: {
833: now_debugging = false;
834: now_going = false;
835: now_suspended = false;
836: force_suspend = false;
837:
838: memset(&break_point, 0, sizeof(break_point_t));
839: memset(&rd_break_point, 0, sizeof(break_point_t));
840: memset(&wr_break_point, 0, sizeof(break_point_t));
841: memset(&in_break_point, 0, sizeof(break_point_t));
842: memset(&out_break_point, 0, sizeof(break_point_t));
843: memset(&int_break_point, 0, sizeof(int_break_point_t));
844: }
845:
846: void telnet_send(char *string)
847: {
848: char buffer[8192], *ptr;
849: strcpy(buffer, string);
850: while((ptr = strstr(buffer, "\n")) != NULL) {
851: char tmp[8192];
852: *ptr = '\0';
853: sprintf(tmp, "%s\033E%s", buffer, ptr + 1);
854: strcpy(buffer, tmp);
855: }
856:
857: int len = strlen(buffer), res;
858: ptr = buffer;
859: while(len > 0) {
860: if((res = send(cli_socket, ptr, len, 0)) > 0) {
861: len -= res;
862: ptr += res;
863: }
864: }
865: }
866:
867: void telnet_command(const char *format, ...)
868: {
869: char buffer[1024];
870: va_list ap;
871: va_start(ap, format);
872: vsprintf(buffer, format, ap);
873: va_end(ap);
874:
875: telnet_send(buffer);
876: }
877:
878: void telnet_printf(const char *format, ...)
879: {
880: char buffer[1024];
881: va_list ap;
882: va_start(ap, format);
883: vsprintf(buffer, format, ap);
884: va_end(ap);
885:
886: if(fp_debugger != NULL) {
887: fprintf(fp_debugger, "%s", buffer);
888: }
889: telnet_send(buffer);
890: }
891:
892: bool telnet_gets(char *str, int n)
893: {
894: char buffer[1024];
895: int ptr = 0;
896:
897: telnet_command("\033[12l"); // local echo on
898: telnet_command("\033[2l"); // key unlock
899:
900: while(!m_halted) {
901: int len = recv(cli_socket, buffer, sizeof(buffer), 0);
902:
903: if(len > 0 && buffer[0] != 0xff) {
904: for(int i = 0; i < len; i++) {
905: if(buffer[i] == 0x0d || buffer[i] == 0x0a) {
906: str[ptr] = 0;
907: telnet_command("\033[2h"); // key lock
908: telnet_command("\033[12h"); // local echo off
909: return(!m_halted);
910: } else if(buffer[i] == 0x08) {
911: if(ptr > 0) {
912: telnet_command("\033[0K"); // erase from cursor position
913: ptr--;
914: } else {
915: telnet_command("\033[1C"); // move cursor forward
916: }
917: } else if(ptr < n - 1) {
1.1.1.37 root 918: if(buffer[i] >= 0x20 && buffer[i] <= 0x7e) {
1.1.1.33 root 919: str[ptr++] = buffer[i];
920: }
921: } else {
922: telnet_command("\033[1D\033[0K"); // move cursor backward and erase from cursor position
923: }
924: }
925: } else if(len == -1) {
926: if(WSAGetLastError() != WSAEWOULDBLOCK) {
927: return(false);
928: }
929: } else if(len == 0) {
930: return(false);
931: }
932: Sleep(10);
933: }
934: return(!m_halted);
935: }
936:
937: bool telnet_kbhit()
938: {
939: char buffer[1024];
940:
941: if(!m_halted) {
942: int len = recv(cli_socket, buffer, sizeof(buffer), 0);
943:
944: if(len > 0) {
945: for(int i = 0; i < len; i++) {
946: if(buffer[i] == 0x0d || buffer[i] == 0x0a) {
947: return(true);
948: }
949: }
950: } else if(len == 0) {
951: return(true); // disconnected
952: }
953: }
954: return(false);
955: }
956:
957: bool telnet_disconnected()
958: {
959: char buffer[1024];
960: int len = recv(cli_socket, buffer, sizeof(buffer), 0);
961:
962: if(len == 0) {
963: return(true);
964: } else if(len == -1) {
965: if(WSAGetLastError() != WSAEWOULDBLOCK) {
966: return(true);
967: }
968: }
969: return(false);
970: }
971:
972: void telnet_set_color(int color)
973: {
974: telnet_command("\033[%dm\033[3%dm", (color >> 3) & 1, (color & 7));
975: }
976:
977: int debugger_dasm(char *buffer, UINT32 cs, UINT32 eip)
978: {
979: // UINT8 *oprom = mem + (((cs << 4) + eip) & (MAX_MEM - 1));
980: UINT8 ops[16];
981: for(int i = 0; i < 16; i++) {
982: ops[i] = debugger_read_byte(((cs << 4) + (eip + i)) & ADDR_MASK);
983: }
984: UINT8 *oprom = ops;
985:
986: #if defined(HAS_I386)
987: if(m_operand_size) {
988: return(CPU_DISASSEMBLE_CALL(x86_32) & DASMFLAG_LENGTHMASK);
989: } else
990: #endif
991: return(CPU_DISASSEMBLE_CALL(x86_16) & DASMFLAG_LENGTHMASK);
992: }
993:
994: void debugger_regs_info(char *buffer)
995: {
996: #if defined(HAS_I386)
997: UINT32 flags = get_flags();
998: #else
999: UINT32 flags = CompressFlags();
1000: #endif
1001: #if defined(HAS_I386)
1002: if(m_operand_size) {
1003: 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",
1004: 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),
1005: PROTECTED_MODE ? "PE" : "--",
1006: (flags & 0x40000) ? 'A' : '-',
1007: (flags & 0x20000) ? 'V' : '-',
1008: (flags & 0x10000) ? 'R' : '-',
1009: (flags & 0x04000) ? 'N' : '-',
1010: (flags & 0x02000) ? '1' : '0',
1011: (flags & 0x01000) ? '1' : '0',
1012: (flags & 0x00800) ? 'O' : '-',
1013: (flags & 0x00400) ? 'D' : '-',
1014: (flags & 0x00200) ? 'I' : '-',
1015: (flags & 0x00100) ? 'T' : '-',
1016: (flags & 0x00080) ? 'S' : '-',
1017: (flags & 0x00040) ? 'Z' : '-',
1018: (flags & 0x00010) ? 'A' : '-',
1019: (flags & 0x00004) ? 'P' : '-',
1020: (flags & 0x00001) ? 'C' : '-');
1021: } else {
1022: #endif
1023: 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",
1024: 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),
1025: #if defined(HAS_I386)
1026: PROTECTED_MODE ? "PE" : "--",
1027: #else
1028: "--",
1029: #endif
1030: (flags & 0x40000) ? 'A' : '-',
1031: (flags & 0x20000) ? 'V' : '-',
1032: (flags & 0x10000) ? 'R' : '-',
1033: (flags & 0x04000) ? 'N' : '-',
1034: (flags & 0x02000) ? '1' : '0',
1035: (flags & 0x01000) ? '1' : '0',
1036: (flags & 0x00800) ? 'O' : '-',
1037: (flags & 0x00400) ? 'D' : '-',
1038: (flags & 0x00200) ? 'I' : '-',
1039: (flags & 0x00100) ? 'T' : '-',
1040: (flags & 0x00080) ? 'S' : '-',
1041: (flags & 0x00040) ? 'Z' : '-',
1042: (flags & 0x00010) ? 'A' : '-',
1043: (flags & 0x00004) ? 'P' : '-',
1044: (flags & 0x00001) ? 'C' : '-');
1045: #if defined(HAS_I386)
1046: }
1047: #endif
1048: }
1049:
1050: void debugger_process_info(char *buffer)
1051: {
1052: UINT16 psp_seg = current_psp;
1053: process_t *process;
1054: bool check[0x10000] = {0};
1055:
1056: buffer[0] = '\0';
1057:
1058: while(!check[psp_seg] && (process = msdos_process_info_get(psp_seg, false)) != NULL) {
1059: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
1060: char *file = process->module_path, *s;
1061: char tmp[8192];
1062:
1063: while((s = strstr(file, "\\")) != NULL) {
1064: file = s + 1;
1065: }
1066: 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));
1067: strcat(tmp, buffer);
1068: strcpy(buffer, tmp);
1069:
1070: check[psp_seg] = true;
1071: psp_seg = psp->parent_psp;
1072: }
1073: }
1074:
1075: UINT32 debugger_get_val(const char *str)
1076: {
1077: char tmp[1024];
1078:
1079: if(str == NULL || strlen(str) == 0) {
1080: return(0);
1081: }
1082: strcpy(tmp, str);
1083:
1084: if(strlen(tmp) == 3 && tmp[0] == '\'' && tmp[2] == '\'') {
1085: // ank
1086: return(tmp[1] & 0xff);
1087: } else if(tmp[0] == '%') {
1088: // decimal
1089: return(strtoul(tmp + 1, NULL, 10));
1090: }
1091: return(strtoul(tmp, NULL, 16));
1092: }
1093:
1094: UINT32 debugger_get_seg(const char *str, UINT32 val)
1095: {
1096: char tmp[1024], *s;
1097:
1098: if(str == NULL || strlen(str) == 0) {
1099: return(val);
1100: }
1101: strcpy(tmp, str);
1102:
1103: if((s = strstr(tmp, ":")) != NULL) {
1104: // 0000:0000
1105: *s = '\0';
1106: return(debugger_get_val(tmp));
1107: }
1108: return(val);
1109: }
1110:
1111: UINT32 debugger_get_ofs(const char *str)
1112: {
1113: char tmp[1024], *s;
1114:
1115: if(str == NULL || strlen(str) == 0) {
1116: return(0);
1117: }
1118: strcpy(tmp, str);
1119:
1120: if((s = strstr(tmp, ":")) != NULL) {
1121: // 0000:0000
1122: return(debugger_get_val(s + 1));
1123: }
1124: return(debugger_get_val(tmp));
1125: }
1126:
1127: void debugger_main()
1128: {
1129: telnet_command("\033[20h"); // cr-lf
1130:
1131: force_suspend = true;
1132: now_going = false;
1133: now_debugging = true;
1134: Sleep(100);
1135:
1136: if(!m_halted && !now_suspended) {
1137: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1138: telnet_printf("waiting until cpu is suspended...\n");
1139: }
1140: while(!m_halted && !now_suspended) {
1141: if(telnet_disconnected()) {
1142: break;
1143: }
1144: Sleep(10);
1145: }
1146:
1147: char buffer[8192];
1148:
1149: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1150: debugger_process_info(buffer);
1151: telnet_printf("%s", buffer);
1152: debugger_regs_info(buffer);
1153: telnet_printf("%s", buffer);
1154: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1155: telnet_printf("breaked at %04X:%04X\n", SREG(CS), m_eip);
1156: telnet_set_color(TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1157: debugger_dasm(buffer, SREG(CS), m_eip);
1158: telnet_printf("next\t%04X:%04X %s\n", SREG(CS), m_eip, buffer);
1159: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1160:
1161: #define MAX_COMMAND_LEN 64
1162:
1163: char command[MAX_COMMAND_LEN + 1];
1164: char prev_command[MAX_COMMAND_LEN + 1] = {0};
1165:
1166: UINT32 data_seg = SREG(DS);
1167: UINT32 data_ofs = 0;
1168: UINT32 dasm_seg = SREG(CS);
1169: UINT32 dasm_ofs = m_eip;
1170:
1171: while(!m_halted) {
1172: telnet_printf("- ");
1173: command[0] = '\0';
1174:
1175: if(fi_debugger != NULL) {
1176: while(command[0] == '\0') {
1177: if(fgets(command, sizeof(command), fi_debugger) == NULL) {
1178: break;
1179: }
1180: while(strlen(command) > 0 && (command[strlen(command) - 1] == 0x0d || command[strlen(command) - 1] == 0x0a)) {
1181: command[strlen(command) - 1] = '\0';
1182: }
1183: }
1184: if(command[0] != '\0') {
1185: telnet_command("%s\n", command);
1186: }
1187: }
1188: if(command[0] == '\0') {
1189: if(!telnet_gets(command, sizeof(command))) {
1190: break;
1191: }
1192: }
1193: if(command[0] == '\0') {
1194: strcpy(command, prev_command);
1195: } else {
1196: strcpy(prev_command, command);
1197: }
1198: if(fp_debugger != NULL) {
1199: fprintf(fp_debugger, "%s\n", command);
1200: }
1201:
1202: if(!m_halted && command[0] != 0) {
1203: char *params[32], *token = NULL;
1204: int num = 0;
1205:
1206: if((token = strtok(command, " ")) != NULL) {
1207: params[num++] = token;
1208: while(num < 32 && (token = strtok(NULL, " ")) != NULL) {
1209: params[num++] = token;
1210: }
1211: }
1212: if(stricmp(params[0], "D") == 0) {
1213: if(num <= 3) {
1214: if(num >= 2) {
1215: data_seg = debugger_get_seg(params[1], data_seg);
1216: data_ofs = debugger_get_ofs(params[1]);
1217: }
1218: UINT32 end_seg = data_seg;
1219: UINT32 end_ofs = data_ofs + 8 * 16 - 1;
1220: if(num == 3) {
1221: end_seg = debugger_get_seg(params[2], data_seg);
1222: end_ofs = debugger_get_ofs(params[2]);
1223: }
1224: UINT64 start_addr = (data_seg << 4) + data_ofs;
1225: UINT64 end_addr = (end_seg << 4) + end_ofs;
1.1.1.37 root 1226: // bool is_sjis = false;
1.1.1.33 root 1227:
1228: for(UINT64 addr = (start_addr & ~0x0f); addr <= (end_addr | 0x0f); addr++) {
1229: if((addr & 0x0f) == 0) {
1230: if((data_ofs = addr - (data_seg << 4)) > 0xffff) {
1231: data_seg += 0x1000;
1232: data_ofs -= 0x10000;
1233: }
1234: telnet_printf("%06X:%04X ", data_seg, data_ofs);
1235: memset(buffer, 0, sizeof(buffer));
1236: }
1237: if(addr < start_addr || addr > end_addr) {
1238: telnet_printf(" ");
1239: buffer[addr & 0x0f] = ' ';
1240: } else {
1241: UINT8 data = debugger_read_byte(addr & ADDR_MASK);
1242: telnet_printf(" %02X", data);
1.1.1.37 root 1243: // if(is_sjis) {
1.1.1.33 root 1244: // buffer[addr & 0x0f] = data;
1.1.1.37 root 1245: // is_sjis = false;
1.1.1.33 root 1246: // } else if(((data >= 0x81 && data <= 0x9f) || (data >= 0xe0 && data <= 0xef)) && (addr & 0x0f) < 0x0f) {
1247: // buffer[addr & 0x0f] = data;
1.1.1.37 root 1248: // is_sjis = true;
1.1.1.33 root 1249: // } else
1250: if((data >= 0x20 && data <= 0x7e)/* || (data >= 0xa1 && data <= 0xdf)*/) {
1251: buffer[addr & 0x0f] = data;
1252: } else {
1253: buffer[addr & 0x0f] = '.';
1254: }
1255: }
1256: if((addr & 0x0f) == 0x0f) {
1257: telnet_printf(" %s\n", buffer);
1258: }
1259: }
1260: if((data_ofs = (end_addr + 1) - (data_seg << 4)) > 0xffff) {
1261: data_seg += 0x1000;
1262: data_ofs -= 0x10000;
1263: }
1264: prev_command[1] = '\0'; // remove parameters to dump continuously
1265: } else {
1266: telnet_printf("invalid parameter number\n");
1267: }
1268: } else if(stricmp(params[0], "E") == 0 || stricmp(params[0], "EB") == 0) {
1269: if(num >= 3) {
1270: UINT32 seg = debugger_get_seg(params[1], data_seg);
1271: UINT32 ofs = debugger_get_ofs(params[1]);
1272: for(int i = 2, j = 0; i < num; i++, j++) {
1273: debugger_write_byte(((seg << 4) + (ofs + j)) & ADDR_MASK, debugger_get_val(params[i]) & 0xff);
1274: }
1275: } else {
1276: telnet_printf("invalid parameter number\n");
1277: }
1278: } else if(stricmp(params[0], "EW") == 0) {
1279: if(num >= 3) {
1280: UINT32 seg = debugger_get_seg(params[1], data_seg);
1281: UINT32 ofs = debugger_get_ofs(params[1]);
1282: for(int i = 2, j = 0; i < num; i++, j += 2) {
1283: debugger_write_word(((seg << 4) + (ofs + j)) & ADDR_MASK, debugger_get_val(params[i]) & 0xffff);
1284: }
1285: } else {
1286: telnet_printf("invalid parameter number\n");
1287: }
1288: } else if(stricmp(params[0], "ED") == 0) {
1289: if(num >= 3) {
1290: UINT32 seg = debugger_get_seg(params[1], data_seg);
1291: UINT32 ofs = debugger_get_ofs(params[1]);
1292: for(int i = 2, j = 0; i < num; i++, j += 4) {
1293: debugger_write_dword(((seg << 4) + (ofs + j)) & ADDR_MASK, debugger_get_val(params[i]));
1294: }
1295: } else {
1296: telnet_printf("invalid parameter number\n");
1297: }
1298: } else if(stricmp(params[0], "EA") == 0) {
1299: if(num >= 3) {
1300: UINT32 seg = debugger_get_seg(params[1], data_seg);
1301: UINT32 ofs = debugger_get_ofs(params[1]);
1302: strcpy(buffer, prev_command);
1303: if((token = strtok(buffer, "\"")) != NULL && (token = strtok(NULL, "\"")) != NULL) {
1304: int len = strlen(token);
1305: for(int i = 0; i < len; i++) {
1306: debugger_write_byte(((seg << 4) + (ofs + i)) & ADDR_MASK, token[i] & 0xff);
1307: }
1308: } else {
1309: telnet_printf("invalid parameter\n");
1310: }
1311: } else {
1312: telnet_printf("invalid parameter number\n");
1313: }
1314: } else if(stricmp(params[0], "I") == 0 || stricmp(params[0], "IB") == 0) {
1315: if(num == 2) {
1316: telnet_printf("%02X\n", debugger_read_io_byte(debugger_get_val(params[1])) & 0xff);
1317: } else {
1318: telnet_printf("invalid parameter number\n");
1319: }
1320: } else if(stricmp(params[0], "IW") == 0) {
1321: if(num == 2) {
1322: telnet_printf("%04X\n", debugger_read_io_word(debugger_get_val(params[1])) & 0xffff);
1323: } else {
1324: telnet_printf("invalid parameter number\n");
1325: }
1326: } else if(stricmp(params[0], "ID") == 0) {
1327: if(num == 2) {
1328: telnet_printf("%08X\n", debugger_read_io_dword(debugger_get_val(params[1])));
1329: } else {
1330: telnet_printf("invalid parameter number\n");
1331: }
1332: } else if(stricmp(params[0], "O") == 0 || stricmp(params[0], "OB") == 0) {
1333: if(num == 3) {
1334: debugger_write_io_byte(debugger_get_val(params[1]), debugger_get_val(params[2]) & 0xff);
1335: } else {
1336: telnet_printf("invalid parameter number\n");
1337: }
1338: } else if(stricmp(params[0], "OW") == 0) {
1339: if(num == 3) {
1340: debugger_write_io_word(debugger_get_val(params[1]), debugger_get_val(params[2]) & 0xffff);
1341: } else {
1342: telnet_printf("invalid parameter number\n");
1343: }
1344: } else if(stricmp(params[0], "OD") == 0) {
1345: if(num == 3) {
1346: debugger_write_io_dword(debugger_get_val(params[1]), debugger_get_val(params[2]));
1347: } else {
1348: telnet_printf("invalid parameter number\n");
1349: }
1350: } else if(stricmp(params[0], "R") == 0) {
1351: if(num == 1) {
1352: debugger_regs_info(buffer);
1353: telnet_printf("%s", buffer);
1354: } else if(num == 3) {
1355: #if defined(HAS_I386)
1356: if(stricmp(params[1], "EAX") == 0) {
1357: REG32(EAX) = debugger_get_val(params[2]);
1358: } else if(stricmp(params[1], "EBX") == 0) {
1359: REG32(EBX) = debugger_get_val(params[2]);
1360: } else if(stricmp(params[1], "ECX") == 0) {
1361: REG32(ECX) = debugger_get_val(params[2]);
1362: } else if(stricmp(params[1], "EDX") == 0) {
1363: REG32(EDX) = debugger_get_val(params[2]);
1364: } else if(stricmp(params[1], "ESP") == 0) {
1365: REG32(ESP) = debugger_get_val(params[2]);
1366: } else if(stricmp(params[1], "EBP") == 0) {
1367: REG32(EBP) = debugger_get_val(params[2]);
1368: } else if(stricmp(params[1], "ESI") == 0) {
1369: REG32(ESI) = debugger_get_val(params[2]);
1370: } else if(stricmp(params[1], "EDI") == 0) {
1371: REG32(EDI) = debugger_get_val(params[2]);
1372: } else
1373: #endif
1374: if(stricmp(params[1], "AX") == 0) {
1375: REG16(AX) = debugger_get_val(params[2]);
1376: } else if(stricmp(params[1], "BX") == 0) {
1377: REG16(BX) = debugger_get_val(params[2]);
1378: } else if(stricmp(params[1], "CX") == 0) {
1379: REG16(CX) = debugger_get_val(params[2]);
1380: } else if(stricmp(params[1], "DX") == 0) {
1381: REG16(DX) = debugger_get_val(params[2]);
1382: } else if(stricmp(params[1], "SP") == 0) {
1383: REG16(SP) = debugger_get_val(params[2]);
1384: } else if(stricmp(params[1], "BP") == 0) {
1385: REG16(BP) = debugger_get_val(params[2]);
1386: } else if(stricmp(params[1], "SI") == 0) {
1387: REG16(SI) = debugger_get_val(params[2]);
1388: } else if(stricmp(params[1], "DI") == 0) {
1389: REG16(DI) = debugger_get_val(params[2]);
1390: } else if(stricmp(params[1], "IP") == 0 || stricmp(params[1], "EIP") == 0) {
1391: #if defined(HAS_I386)
1392: if(m_operand_size) {
1393: m_eip = debugger_get_val(params[2]);
1394: } else {
1395: m_eip = debugger_get_val(params[2]) & 0xffff;
1396: }
1397: CHANGE_PC(m_eip);
1398: #else
1399: m_pc = (SREG_BASE(CS) + (debugger_get_val(params[2]) & 0xffff)) & ADDR_MASK;
1400: CHANGE_PC(m_pc);
1401: #endif
1402: } else if(stricmp(params[1], "AL") == 0) {
1403: REG8(AL) = debugger_get_val(params[2]);
1404: } else if(stricmp(params[1], "AH") == 0) {
1405: REG8(AH) = debugger_get_val(params[2]);
1406: } else if(stricmp(params[1], "BL") == 0) {
1407: REG8(BL) = debugger_get_val(params[2]);
1408: } else if(stricmp(params[1], "BH") == 0) {
1409: REG8(BH) = debugger_get_val(params[2]);
1410: } else if(stricmp(params[1], "CL") == 0) {
1411: REG8(CL) = debugger_get_val(params[2]);
1412: } else if(stricmp(params[1], "CH") == 0) {
1413: REG8(CH) = debugger_get_val(params[2]);
1414: } else if(stricmp(params[1], "DL") == 0) {
1415: REG8(DL) = debugger_get_val(params[2]);
1416: } else if(stricmp(params[1], "DH") == 0) {
1417: REG8(DH) = debugger_get_val(params[2]);
1418: } else {
1419: telnet_printf("unknown register %s\n", params[1]);
1420: }
1421: } else {
1422: telnet_printf("invalid parameter number\n");
1423: }
1424: } else if(_tcsicmp(params[0], "S") == 0) {
1425: if(num >= 4) {
1426: UINT32 cur_seg = debugger_get_seg(params[1], data_seg);
1427: UINT32 cur_ofs = debugger_get_ofs(params[1]);
1428: UINT32 end_seg = debugger_get_seg(params[2], cur_seg);
1429: UINT32 end_ofs = debugger_get_ofs(params[2]);
1430: UINT8 list[32];
1431:
1432: for(int i = 3, j = 0; i < num && j < 32; i++, j++) {
1433: list[j] = debugger_get_val(params[i]);
1434: }
1435: while((cur_seg << 4) + cur_ofs <= (end_seg << 4) + end_ofs) {
1436: bool found = true;
1437: for(int i = 3, j = 0; i < num && j < 32; i++, j++) {
1438: if(debugger_read_byte(((cur_seg << 4) + (cur_ofs + j)) & ADDR_MASK) != list[j]) {
1439: found = false;
1440: break;
1441: }
1442: }
1443: if(found) {
1444: telnet_printf("%04X:%04X\n", cur_seg, cur_ofs);
1445: }
1446: if((cur_ofs += 1) > 0xffff) {
1447: cur_seg += 0x1000;
1448: cur_ofs -= 0x10000;
1449: }
1450: }
1451: } else {
1452: telnet_printf("invalid parameter number\n");
1453: }
1454: } else if(stricmp(params[0], "U") == 0) {
1455: if(num <= 3) {
1456: if(num >= 2) {
1457: dasm_seg = debugger_get_seg(params[1], dasm_seg);
1458: dasm_ofs = debugger_get_ofs(params[1]);
1459: }
1460: if(num == 3) {
1461: UINT32 end_seg = debugger_get_seg(params[2], dasm_seg);
1462: UINT32 end_ofs = debugger_get_ofs(params[2]);
1463:
1464: while((dasm_seg << 4) + dasm_ofs <= (end_seg << 4) + end_ofs) {
1465: int len = debugger_dasm(buffer, dasm_seg, dasm_ofs);
1466: telnet_printf("%04X:%04X ", dasm_seg, dasm_ofs);
1467: for(int i = 0; i < len; i++) {
1468: telnet_printf("%02X", debugger_read_byte(((dasm_seg << 4) + (dasm_ofs + i)) & ADDR_MASK));
1469: }
1470: for(int i = len; i < 8; i++) {
1471: telnet_printf(" ");
1472: }
1473: telnet_printf(" %s\n", buffer);
1474: if((dasm_ofs += len) > 0xffff) {
1475: dasm_seg += 0x1000;
1476: dasm_ofs -= 0x10000;
1477: }
1478: }
1479: } else {
1480: for(int i = 0; i < 16; i++) {
1481: int len = debugger_dasm(buffer, dasm_seg, dasm_ofs);
1482: telnet_printf("%04X:%04X ", dasm_seg, dasm_ofs);
1483: for(int i = 0; i < len; i++) {
1484: telnet_printf("%02X", debugger_read_byte(((dasm_seg << 4) + (dasm_ofs + i)) & ADDR_MASK));
1485: }
1486: for(int i = len; i < 8; i++) {
1487: telnet_printf(" ");
1488: }
1489: telnet_printf(" %s\n", buffer);
1490: if((dasm_ofs += len) > 0xffff) {
1491: dasm_seg += 0x1000;
1492: dasm_ofs -= 0x10000;
1493: }
1494: }
1495: }
1496: prev_command[1] = '\0'; // remove parameters to disassemble continuously
1497: } else {
1498: telnet_printf("invalid parameter number\n");
1499: }
1500: } else if(stricmp(params[0], "H") == 0) {
1501: if(num == 3) {
1502: UINT32 l = debugger_get_val(params[1]);
1503: UINT32 r = debugger_get_val(params[2]);
1504: telnet_printf("%08X %08X\n", l + r, l - r);
1505: } else {
1506: telnet_printf("invalid parameter number\n");
1507: }
1508: } else if(stricmp(params[0], "BP") == 0 || stricmp(params[0], "RBP") == 0 || stricmp(params[0], "WBP") == 0) {
1509: break_point_t *break_point_ptr;
1510: #define GET_BREAK_POINT_PTR() { \
1511: if(params[0][0] == 'R') { \
1512: break_point_ptr = &rd_break_point; \
1513: } else if(params[0][0] == 'W') { \
1514: break_point_ptr = &wr_break_point; \
1515: } else if(params[0][0] == 'I') { \
1516: break_point_ptr = &in_break_point; \
1517: } else if(params[0][0] == 'O') { \
1518: break_point_ptr = &out_break_point; \
1519: } else { \
1520: break_point_ptr = &break_point; \
1521: } \
1522: }
1523: GET_BREAK_POINT_PTR();
1524: if(num == 2) {
1525: UINT32 seg = debugger_get_seg(params[1], SREG(CS));
1526: UINT32 ofs = debugger_get_ofs(params[1]);
1527: bool found = false;
1528: for(int i = 0; i < MAX_BREAK_POINTS && !found; i++) {
1529: if(break_point_ptr->table[i].status == 0 || break_point_ptr->table[i].addr == ((seg << 4) + ofs)) {
1530: break_point_ptr->table[i].addr = (seg << 4) + ofs;
1531: break_point_ptr->table[i].seg = seg;
1532: break_point_ptr->table[i].ofs = ofs;
1533: break_point_ptr->table[i].status = 1;
1534: found = true;
1535: }
1536: }
1537: if(!found) {
1538: telnet_printf("too many break points\n");
1539: }
1540: } else {
1541: telnet_printf("invalid parameter number\n");
1542: }
1543: } else if(stricmp(params[0], "IBP") == 0 || stricmp(params[0], "OBP") == 0) {
1544: break_point_t *break_point_ptr;
1545: GET_BREAK_POINT_PTR();
1546: if(num == 2) {
1547: UINT32 addr = debugger_get_val(params[1]);
1548: bool found = false;
1549: for(int i = 0; i < MAX_BREAK_POINTS && !found; i++) {
1550: if(break_point_ptr->table[i].status == 0 || break_point_ptr->table[i].addr == addr) {
1551: break_point_ptr->table[i].addr = addr;
1552: break_point_ptr->table[i].status = 1;
1553: found = true;
1554: }
1555: }
1556: if(!found) {
1557: telnet_printf("too many break points\n");
1558: }
1559: } else {
1560: telnet_printf("invalid parameter number\n");
1561: }
1562: } 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) {
1563: break_point_t *break_point_ptr;
1564: GET_BREAK_POINT_PTR();
1565: if(num == 2 && (stricmp(params[1], "*") == 0 || stricmp(params[1], "ALL") == 0)) {
1566: memset(break_point_ptr, 0, sizeof(break_point_t));
1567: } else if(num >= 2) {
1568: for(int i = 1; i < num; i++) {
1569: int index = debugger_get_val(params[i]);
1570: if(!(index >= 1 && index <= MAX_BREAK_POINTS)) {
1571: telnet_printf("invalid index %x\n", index);
1572: } else {
1573: break_point_ptr->table[index - 1].addr = 0;
1574: break_point_ptr->table[index - 1].seg = 0;
1575: break_point_ptr->table[index - 1].ofs = 0;
1576: break_point_ptr->table[index - 1].status = 0;
1577: }
1578: }
1579: } else {
1580: telnet_printf("invalid parameter number\n");
1581: }
1582: } 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 ||
1583: 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) {
1584: break_point_t *break_point_ptr;
1585: GET_BREAK_POINT_PTR();
1586: bool enabled = (params[0][strlen(params[0]) - 1] == 'E' || params[0][strlen(params[0]) - 1] == 'e');
1587: if(num == 2 && (stricmp(params[1], "*") == 0 || stricmp(params[1], "ALL") == 0)) {
1588: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
1589: if(break_point_ptr->table[i].status != 0) {
1590: break_point_ptr->table[i].status = enabled ? 1 : -1;
1591: }
1592: }
1593: } else if(num >= 2) {
1594: for(int i = 1; i < num; i++) {
1595: int index = debugger_get_val(params[i]);
1596: if(!(index >= 1 && index <= MAX_BREAK_POINTS)) {
1597: telnet_printf("invalid index %x\n", index);
1598: } else if(break_point_ptr->table[index - 1].status == 0) {
1599: telnet_printf("break point %x is null\n", index);
1600: } else {
1601: break_point_ptr->table[index - 1].status = enabled ? 1 : -1;
1602: }
1603: }
1604: } else {
1605: telnet_printf("invalid parameter number\n");
1606: }
1607: } else if(stricmp(params[0], "BL") == 0 || stricmp(params[0], "RBL") == 0 || stricmp(params[0], "WBL") == 0) {
1608: break_point_t *break_point_ptr;
1609: GET_BREAK_POINT_PTR();
1610: if(num == 1) {
1611: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
1612: if(break_point_ptr->table[i].status) {
1613: 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);
1614: }
1615: }
1616: } else {
1617: telnet_printf("invalid parameter number\n");
1618: }
1619: } else if(stricmp(params[0], "IBL") == 0 || stricmp(params[0], "OBL") == 0) {
1620: break_point_t *break_point_ptr;
1621: GET_BREAK_POINT_PTR();
1622: if(num == 1) {
1623: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
1624: if(break_point_ptr->table[i].status) {
1625: telnet_printf("%d %c %04X\n", i + 1, break_point_ptr->table[i].status == 1 ? 'e' : 'd', break_point_ptr->table[i].addr);
1626: }
1627: }
1628: } else {
1629: telnet_printf("invalid parameter number\n");
1630: }
1631: } else if(stricmp(params[0], "INTBP") == 0) {
1632: if(num >= 2 && num <= 4) {
1633: int int_num = debugger_get_val(params[1]);
1634: UINT8 ah = 0, ah_registered = 0;
1635: UINT8 al = 0, al_registered = 0;
1636: if(num >= 3) {
1637: ah = debugger_get_val(params[2]);
1638: ah_registered = 1;
1639: }
1640: if(num == 4) {
1641: al = debugger_get_val(params[3]);
1642: al_registered = 1;
1643: }
1644: bool found = false;
1645: for(int i = 0; i < MAX_BREAK_POINTS && !found; i++) {
1646: if(int_break_point.table[i].status == 0 || (
1647: int_break_point.table[i].int_num == int_num &&
1648: int_break_point.table[i].ah == ah && int_break_point.table[i].ah_registered == ah_registered &&
1649: int_break_point.table[i].al == al && int_break_point.table[i].al_registered == al_registered)) {
1650: int_break_point.table[i].int_num = int_num;
1651: int_break_point.table[i].ah = ah;
1652: int_break_point.table[i].ah_registered = ah_registered;
1653: int_break_point.table[i].al = al;
1654: int_break_point.table[i].al_registered = al_registered;
1655: int_break_point.table[i].status = 1;
1656: found = true;
1657: }
1658: }
1659: if(!found) {
1660: telnet_printf("too many break points\n");
1661: }
1662: } else {
1663: telnet_printf("invalid parameter number\n");
1664: }
1665: } else if(stricmp(params[0], "INTBC") == 0) {
1666: if(num == 2 && (stricmp(params[1], "*") == 0 || stricmp(params[1], "ALL") == 0)) {
1667: memset(&int_break_point, 0, sizeof(int_break_point_t));
1668: } else if(num >= 2) {
1669: for(int i = 1; i < num; i++) {
1670: int index = debugger_get_val(params[i]);
1671: if(!(index >= 1 && index <= MAX_BREAK_POINTS)) {
1672: telnet_printf("invalid index %x\n", index);
1673: } else {
1674: int_break_point.table[index - 1].int_num = 0;
1675: int_break_point.table[index - 1].ah = 0;
1676: int_break_point.table[index - 1].ah_registered = 0;
1677: int_break_point.table[index - 1].al = 0;
1678: int_break_point.table[index - 1].al_registered = 0;
1679: int_break_point.table[index - 1].status = 0;
1680: }
1681: }
1682: } else {
1683: telnet_printf("invalid parameter number\n");
1684: }
1685: } else if(stricmp(params[0], "INTBD") == 0 || stricmp(params[0], "INTBE") == 0) {
1686: bool enabled = (params[0][strlen(params[0]) - 1] == 'E' || params[0][strlen(params[0]) - 1] == 'e');
1687: if(num == 2 && (stricmp(params[1], "*") == 0 || stricmp(params[1], "ALL") == 0)) {
1688: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
1689: if(int_break_point.table[i].status != 0) {
1690: int_break_point.table[i].status = enabled ? 1 : -1;
1691: }
1692: }
1693: } else if(num >= 2) {
1694: for(int i = 1; i < num; i++) {
1695: int index = debugger_get_val(params[i]);
1696: if(!(index >= 1 && index <= MAX_BREAK_POINTS)) {
1697: telnet_printf("invalid index %x\n", index);
1698: } else if(int_break_point.table[index - 1].status == 0) {
1699: telnet_printf("break point %x is null\n", index);
1700: } else {
1701: int_break_point.table[index - 1].status = enabled ? 1 : -1;
1702: }
1703: }
1704: } else {
1705: telnet_printf("invalid parameter number\n");
1706: }
1707: } else if(stricmp(params[0], "INTBL") == 0) {
1708: if(num == 1) {
1709: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
1710: if(int_break_point.table[i].status) {
1711: telnet_printf("%d %c %02X", i + 1, int_break_point.table[i].status == 1 ? 'e' : 'd', int_break_point.table[i].int_num);
1712: if(int_break_point.table[i].ah_registered) {
1713: telnet_printf(" %02X", int_break_point.table[i].ah);
1714: }
1715: if(int_break_point.table[i].al_registered) {
1716: telnet_printf(" %02X", int_break_point.table[i].al);
1717: }
1718: telnet_printf("\n");
1719: }
1720: }
1721: } else {
1722: telnet_printf("invalid parameter number\n");
1723: }
1724: } else if(stricmp(params[0], "G") == 0 || stricmp(params[0], "P") == 0) {
1725: if(num == 1 || num == 2) {
1726: break_point_t break_point_stored;
1727: bool break_points_stored = false;
1728:
1729: if(stricmp(params[0], "P") == 0) {
1730: memcpy(&break_point_stored, &break_point, sizeof(break_point_t));
1731: memset(&break_point, 0, sizeof(break_point_t));
1732: break_points_stored = true;
1733:
1734: break_point.table[0].addr = (SREG(CS) << 4) + m_eip + debugger_dasm(buffer, SREG(CS), m_eip);
1735: break_point.table[0].status = 1;
1736: } else if(num >= 2) {
1737: memcpy(&break_point_stored, &break_point, sizeof(break_point_t));
1738: memset(&break_point, 0, sizeof(break_point_t));
1739: break_points_stored = true;
1740:
1741: UINT32 seg = debugger_get_seg(params[1], SREG(CS));
1742: UINT32 ofs = debugger_get_ofs(params[1]);
1743: break_point.table[0].addr = (seg << 4) + ofs;
1744: break_point.table[0].seg = seg;
1745: break_point.table[0].ofs = ofs;
1746: break_point.table[0].status = 1;
1747: }
1748: break_point.hit = rd_break_point.hit = wr_break_point.hit = in_break_point.hit = out_break_point.hit = int_break_point.hit = 0;
1749: now_going = true;
1750: now_suspended = false;
1751:
1752: telnet_command("\033[2l"); // key unlock
1753: while(!m_halted && !now_suspended) {
1754: if(telnet_kbhit()) {
1755: break;
1756: }
1757: Sleep(10);
1758: }
1759: now_going = false;
1760: telnet_command("\033[2h"); // key lock
1761:
1762: if(!(break_point.hit || rd_break_point.hit || wr_break_point.hit || in_break_point.hit || out_break_point.hit || int_break_point.hit)) {
1763: Sleep(100);
1764: if(!m_halted && !now_suspended) {
1765: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1766: telnet_printf("waiting until cpu is suspended...\n");
1767: }
1768: }
1769: while(!m_halted && !now_suspended) {
1770: if(telnet_disconnected()) {
1771: break;
1772: }
1773: Sleep(10);
1774: }
1775: dasm_seg = SREG(CS);
1776: dasm_ofs = m_eip;
1777:
1778: telnet_set_color(TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1779: debugger_dasm(buffer, m_prev_cs, m_prev_eip);
1780: telnet_printf("done\t%04X:%04X %s\n", m_prev_cs, m_prev_eip, buffer);
1781:
1782: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1783: debugger_regs_info(buffer);
1784: telnet_printf("%s", buffer);
1785:
1786: if(break_point.hit) {
1787: if(stricmp(params[0], "G") == 0 && num == 1) {
1788: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1789: telnet_printf("breaked at %04X:%04X: break point is hit\n", SREG(CS), m_eip);
1790: }
1791: } else if(rd_break_point.hit) {
1792: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1793: telnet_printf("breaked at %04X:%04X: memory %04X:%04X was read at %04X:%04X\n", SREG(CS), m_eip,
1794: rd_break_point.table[rd_break_point.hit - 1].seg, rd_break_point.table[rd_break_point.hit - 1].ofs,
1795: m_prev_cs, m_prev_eip);
1796: } else if(wr_break_point.hit) {
1797: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1798: telnet_printf("breaked at %04X:%04X: memory %04X:%04X was written at %04X:%04X\n", SREG(CS), m_eip,
1799: wr_break_point.table[wr_break_point.hit - 1].seg, wr_break_point.table[wr_break_point.hit - 1].ofs,
1800: m_prev_cs, m_prev_eip);
1801: } else if(in_break_point.hit) {
1802: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1803: telnet_printf("breaked at %04X:%04X: port %04X was read at %04X:%04X\n", SREG(CS), m_eip,
1804: in_break_point.table[in_break_point.hit - 1].addr,
1805: m_prev_cs, m_prev_eip);
1806: } else if(out_break_point.hit) {
1807: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1808: telnet_printf("breaked at %04X:%04X: port %04X was written at %04X:%04X\n", SREG(CS), m_eip,
1809: out_break_point.table[out_break_point.hit - 1].addr,
1810: m_prev_cs, m_prev_eip);
1811: } else if(int_break_point.hit) {
1812: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1813: telnet_printf("breaked at %04X:%04X: INT %02x", SREG(CS), m_eip, int_break_point.table[int_break_point.hit - 1].int_num);
1814: if(int_break_point.table[int_break_point.hit - 1].ah_registered) {
1815: telnet_printf(" AH=%02x", int_break_point.table[int_break_point.hit - 1].ah);
1816: }
1817: if(int_break_point.table[int_break_point.hit - 1].al_registered) {
1818: telnet_printf(" AL=%02x", int_break_point.table[int_break_point.hit - 1].al);
1819: }
1820: telnet_printf(" is raised at %04X:%04X\n", m_prev_cs, m_prev_eip);
1821: } else {
1822: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1823: telnet_printf("breaked at %04X:%04X: enter key was pressed\n", SREG(CS), m_eip);
1824: }
1825: if(break_points_stored) {
1826: memcpy(&break_point, &break_point_stored, sizeof(break_point_t));
1827: }
1828: telnet_set_color(TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1829: debugger_dasm(buffer, SREG(CS), m_eip);
1830: telnet_printf("next\t%04X:%04X %s\n", SREG(CS), m_eip, buffer);
1831: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1832: } else {
1833: telnet_printf("invalid parameter number\n");
1834: }
1835: } else if(stricmp(params[0], "T") == 0) {
1836: if(num == 1 || num == 2) {
1837: int steps = 1;
1838: if(num >= 2) {
1839: steps = debugger_get_val(params[1]);
1840: }
1841:
1842: telnet_command("\033[2l"); // key unlock
1843: while(steps-- > 0) {
1844: break_point.hit = rd_break_point.hit = wr_break_point.hit = in_break_point.hit = out_break_point.hit = int_break_point.hit = 0;
1845: now_going = false;
1846: now_suspended = false;
1847:
1848: while(!m_halted && !now_suspended) {
1849: if(telnet_disconnected()) {
1850: break;
1851: }
1852: Sleep(10);
1853: }
1854: dasm_seg = SREG(CS);
1855: dasm_ofs = m_eip;
1856:
1857: telnet_set_color(TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1858: debugger_dasm(buffer, m_prev_cs, m_prev_eip);
1859: telnet_printf("done\t%04X:%04X %s\n", m_prev_cs, m_prev_eip, buffer);
1860:
1861: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1862: debugger_regs_info(buffer);
1863: telnet_printf("%s", buffer);
1864:
1865: 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()) {
1866: break;
1867: }
1868: }
1869: telnet_command("\033[2h"); // key lock
1870:
1871: if(!(break_point.hit || rd_break_point.hit || wr_break_point.hit || in_break_point.hit || out_break_point.hit || int_break_point.hit)) {
1872: Sleep(100);
1873: if(!m_halted && !now_suspended) {
1874: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1875: telnet_printf("waiting until cpu is suspended...\n");
1876: }
1877: }
1878: while(!m_halted && !now_suspended) {
1879: if(telnet_disconnected()) {
1880: break;
1881: }
1882: Sleep(10);
1883: }
1884: if(break_point.hit) {
1885: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1886: telnet_printf("breaked at %04X:%04X: break point is hit\n", SREG(CS), m_eip);
1887: } else if(rd_break_point.hit) {
1888: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1889: telnet_printf("breaked at %04X:%04X: memory %04X:%04X was read at %04X:%04X\n", SREG(CS), m_eip,
1890: rd_break_point.table[rd_break_point.hit - 1].seg, rd_break_point.table[rd_break_point.hit - 1].ofs,
1891: m_prev_cs, m_prev_eip);
1892: } else if(wr_break_point.hit) {
1893: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1894: telnet_printf("breaked at %04X:%04X: memory %04X:%04X was written at %04X:%04X\n", SREG(CS), m_eip,
1895: wr_break_point.table[wr_break_point.hit - 1].seg, wr_break_point.table[wr_break_point.hit - 1].ofs,
1896: m_prev_cs, m_prev_eip);
1897: } else if(in_break_point.hit) {
1898: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1899: telnet_printf("breaked at %04X:%04X: port %04X was read at %04X:%04X\n", SREG(CS), m_eip,
1900: in_break_point.table[in_break_point.hit - 1].addr,
1901: m_prev_cs, m_prev_eip);
1902: } else if(out_break_point.hit) {
1903: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1904: telnet_printf("breaked at %04X:%04X: port %04X was written at %04X:%04X\n", SREG(CS), m_eip,
1905: out_break_point.table[out_break_point.hit - 1].addr,
1906: m_prev_cs, m_prev_eip);
1907: } else if(int_break_point.hit) {
1908: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1909: telnet_printf("breaked at %04X:%04X: INT %02x", SREG(CS), m_eip, int_break_point.table[int_break_point.hit - 1].int_num);
1910: if(int_break_point.table[int_break_point.hit - 1].ah_registered) {
1911: telnet_printf(" AH=%02x", int_break_point.table[int_break_point.hit - 1].ah);
1912: }
1913: if(int_break_point.table[int_break_point.hit - 1].al_registered) {
1914: telnet_printf(" AL=%02x", int_break_point.table[int_break_point.hit - 1].al);
1915: }
1916: telnet_printf(" is raised at %04X:%04X\n", m_prev_cs, m_prev_eip);
1917: } else if(steps > 0) {
1918: telnet_set_color(TELNET_RED | TELNET_INTENSITY);
1919: telnet_printf("breaked at %04X:%04X: enter key was pressed\n", SREG(CS), m_eip);
1920: }
1921: telnet_set_color(TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1922: debugger_dasm(buffer, SREG(CS), m_eip);
1923: telnet_printf("next\t%04X:%04X %s\n", SREG(CS), m_eip, buffer);
1924: telnet_set_color(TELNET_RED | TELNET_GREEN | TELNET_BLUE | TELNET_INTENSITY);
1925: } else {
1926: telnet_printf("invalid parameter number\n");
1927: }
1928: } else if(stricmp(params[0], "Q") == 0) {
1929: break;
1930: } else if(stricmp(params[0], "X") == 0) {
1931: debugger_process_info(buffer);
1932: telnet_printf("%s", buffer);
1933: } else if(stricmp(params[0], ">") == 0) {
1934: if(num == 2) {
1935: if(fp_debugger != NULL) {
1936: fclose(fp_debugger);
1937: fp_debugger = NULL;
1938: }
1939: fp_debugger = fopen(params[1], "w");
1940: } else {
1941: telnet_printf("invalid parameter number\n");
1942: }
1943: } else if(stricmp(params[0], "<") == 0) {
1944: if(num == 2) {
1945: if(fi_debugger != NULL) {
1946: fclose(fi_debugger);
1947: fi_debugger = NULL;
1948: }
1949: fi_debugger = fopen(params[1], "r");
1950: } else {
1951: telnet_printf("invalid parameter number\n");
1952: }
1953: } else if(stricmp(params[0], "?") == 0) {
1954: telnet_printf("D [<start> [<end>]] - dump memory\n");
1955: telnet_printf("E[{B,W,D}] <address> <list> - edit memory (byte,word,dword)\n");
1956: telnet_printf("EA <address> \"<value>\" - edit memory (ascii)\n");
1957: telnet_printf("I[{B,W,D}] <port> - input port (byte,word,dword)\n");
1958: telnet_printf("O[{B,W,D}] <port> <value> - output port (byte,word,dword)\n");
1959:
1960: telnet_printf("R - show registers\n");
1961: telnet_printf("R <reg> <value> - edit register\n");
1962: telnet_printf("S <start> <end> <list> - search\n");
1963: telnet_printf("U [<start> [<end>]] - unassemble\n");
1964:
1965: telnet_printf("H <value> <value> - hexadd\n");
1966:
1967: telnet_printf("BP <address> - set breakpoint\n");
1968: telnet_printf("{R,W}BP <address> - set breakpoint (break at memory access)\n");
1969: telnet_printf("{I,O}BP <port> - set breakpoint (break at i/o access)\n");
1970: telnet_printf("INTBP <num> [<ah> [<al>]]- set breakpoint (break at interrupt)\n");
1971: telnet_printf("[{R,W,I,O,INT}]B{C,D,E} {*,<list>} - clear/disable/enable breakpoint(s)\n");
1972: telnet_printf("[{R,W,I,O,INT}]BL - list breakpoint(s)\n");
1973:
1974: telnet_printf("G - go (press enter key to break)\n");
1975: telnet_printf("G <address> - go and break at address\n");
1976: telnet_printf("P - trace one opcode (step over)\n");
1977: telnet_printf("T [<count>] - trace (step in)\n");
1978: telnet_printf("Q - quit\n");
1979: telnet_printf("X - show dos process info\n");
1980:
1981: telnet_printf("> <filename> - output logfile\n");
1982: telnet_printf("< <filename> - input commands from file\n");
1983:
1984: telnet_printf("<value> - hexa, decimal(%%d), ascii('a')\n");
1985: telnet_printf("<list> - <value> [<value> [<value> [...]]]\n");
1986: } else {
1987: telnet_printf("unknown command %s\n", params[0]);
1988: }
1989: }
1990: }
1991: if(fp_debugger != NULL) {
1992: fclose(fp_debugger);
1993: fp_debugger = NULL;
1994: }
1995: if(fi_debugger != NULL) {
1996: fclose(fi_debugger);
1997: fi_debugger = NULL;
1998: }
1999: now_debugging = now_going = now_suspended = force_suspend = false;
2000: closesocket(cli_socket);
2001: }
2002:
2003: const char *debugger_get_ttermpro_path()
2004: {
2005: static char path[MAX_PATH] = {0};
2006:
2007: if(getenv("ProgramFiles")) {
2008: sprintf(path, "%s\\teraterm\\ttermpro.exe", getenv("ProgramFiles"));
2009: }
2010: return(path);
2011: }
2012:
2013: const char *debugger_get_ttermpro_x86_path()
2014: {
2015: static char path[MAX_PATH] = {0};
2016:
2017: if(getenv("ProgramFiles(x86)")) {
2018: sprintf(path, "%s\\teraterm\\ttermpro.exe", getenv("ProgramFiles(x86)"));
2019: }
2020: return(path);
2021: }
2022:
2023: const char *debugger_get_putty_path()
2024: {
2025: static char path[MAX_PATH] = {0};
2026:
2027: if(getenv("ProgramFiles")) {
2028: sprintf(path, "%s\\PuTTY\\putty.exe", getenv("ProgramFiles"));
2029: }
2030: return(path);
2031: }
2032:
2033: const char *debugger_get_putty_x86_path()
2034: {
2035: static char path[MAX_PATH] = {0};
2036:
2037: if(getenv("ProgramFiles(x86)")) {
2038: sprintf(path, "%s\\PuTTY\\putty.exe", getenv("ProgramFiles(x86)"));
2039: }
2040: return(path);
2041: }
2042:
2043: const char *debugger_get_telnet_path()
2044: {
2045: // NOTE: When you run 32bit version of msdos.exe on Windows x64,
2046: // C:\Windows\System32\telnet.exe is redirected to telnet.exe in SysWOW64.
2047: // But 32bit version of telnet.exe will not be installed in SysWOW64
2048: // and 64bit version of telnet.exe will be installed in System32.
2049: static char path[MAX_PATH] = {0};
2050:
2051: if(getenv("windir") != NULL) {
2052: sprintf(path, "%s\\System32\\telnet.exe", getenv("windir"));
2053: }
2054: return(path);
2055: }
2056:
2057: DWORD WINAPI debugger_thread(LPVOID)
2058: {
2059: WSADATA was_data;
2060: struct sockaddr_in svr_addr;
2061: struct sockaddr_in cli_addr;
2062: int cli_addr_len = sizeof(cli_addr);
2063: int port = 23;
2064: int bind_stat = SOCKET_ERROR;
2065: struct timeval timeout;
2066:
2067: WSAStartup(MAKEWORD(2,0), &was_data);
2068:
2069: if((svr_socket = socket(AF_INET, SOCK_STREAM, 0)) != INVALID_SOCKET) {
2070: memset(&svr_addr, 0, sizeof(svr_addr));
2071: svr_addr.sin_family = AF_INET;
2072: svr_addr.sin_addr.s_addr = htonl(INADDR_ANY);
2073:
2074: while(!m_halted && port < 10000) {
2075: svr_addr.sin_port = htons(port);
2076: if((bind_stat = bind(svr_socket, (struct sockaddr *)&svr_addr, sizeof(svr_addr))) == 0) {
2077: break;
2078: } else {
2079: port = (port == 23) ? 9000 : (port + 1);
2080: }
2081: }
2082: if(bind_stat == 0) {
2083: timeout.tv_sec = 1;
2084: timeout.tv_usec = 0;
2085: setsockopt(svr_socket, SOL_SOCKET, SO_RCVTIMEO, (char*)&timeout, sizeof(timeout));
2086:
2087: listen(svr_socket, 1);
2088:
2089: char command[MAX_PATH] = {0};
2090: STARTUPINFO si;
2091: PROCESS_INFORMATION pi;
2092:
2093: if(_access(debugger_get_ttermpro_path(), 0) == 0) {
2094: sprintf(command, "%s localhost:%d /T=1", debugger_get_ttermpro_path(), port);
2095: } else if(_access(debugger_get_ttermpro_x86_path(), 0) == 0) {
2096: sprintf(command, "%s localhost:%d /T=1", debugger_get_ttermpro_x86_path(), port);
2097: } else if(_access(debugger_get_putty_path(), 0) == 0) {
2098: sprintf(command, "%s -telnet localhost %d", debugger_get_putty_path(), port);
2099: } else if(_access(debugger_get_putty_x86_path(), 0) == 0) {
2100: sprintf(command, "%s -telnet localhost %d", debugger_get_putty_x86_path(), port);
2101: } else if(_access(debugger_get_telnet_path(), 0) == 0) {
2102: sprintf(command, "%s -t vt100 localhost %d", debugger_get_telnet_path(), port);
2103: }
2104: if(command[0] != '\0') {
2105: memset(&si, 0, sizeof(STARTUPINFO));
2106: memset(&pi, 0, sizeof(PROCESS_INFORMATION));
2107: CreateProcess(NULL, command, NULL, NULL, FALSE, CREATE_NEW_CONSOLE, NULL, NULL, &si, &pi);
2108: }
2109:
2110: while(!m_halted) {
2111: if((cli_socket = accept(svr_socket, (struct sockaddr *) &cli_addr, &cli_addr_len)) != INVALID_SOCKET) {
2112: u_long val = 1;
2113: ioctlsocket(cli_socket, FIONBIO, &val);
2114: debugger_main();
2115: }
2116: }
2117: }
2118: }
2119: WSACleanup();
2120: return(0);
2121: }
2122: #endif
2123:
2124: /* ----------------------------------------------------------------------------
1.1 root 2125: main
2126: ---------------------------------------------------------------------------- */
2127:
1.1.1.28 root 2128: BOOL WINAPI ctrl_handler(DWORD dwCtrlType)
2129: {
2130: if(dwCtrlType == CTRL_BREAK_EVENT) {
1.1.1.33 root 2131: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 2132: #ifdef USE_SERVICE_THREAD
2133: EnterCriticalSection(&key_buf_crit_sect);
2134: #endif
1.1.1.33 root 2135: key_buf_char->clear();
2136: key_buf_scan->clear();
1.1.1.35 root 2137: #ifdef USE_SERVICE_THREAD
2138: LeaveCriticalSection(&key_buf_crit_sect);
2139: #endif
1.1.1.33 root 2140: }
2141: // key_code = key_recv = 0;
1.1.1.28 root 2142: return TRUE;
2143: } else if(dwCtrlType == CTRL_C_EVENT) {
2144: return TRUE;
2145: } else if(dwCtrlType == CTRL_CLOSE_EVENT) {
2146: // this program will be terminated abnormally, do minimum end process
2147: exit_handler();
2148: exit(1);
2149: }
2150: return FALSE;
2151: }
2152:
2153: void exit_handler()
2154: {
2155: if(temp_file_created) {
2156: DeleteFile(temp_file_path);
2157: temp_file_created = false;
2158: }
2159: if(key_buf_char != NULL) {
2160: key_buf_char->release();
2161: delete key_buf_char;
2162: key_buf_char = NULL;
2163: }
2164: if(key_buf_scan != NULL) {
2165: key_buf_scan->release();
2166: delete key_buf_scan;
2167: key_buf_scan = NULL;
2168: }
1.1.1.32 root 2169: #ifdef SUPPORT_XMS
2170: msdos_xms_release();
2171: #endif
1.1.1.28 root 2172: hardware_release();
2173: }
2174:
1.1.1.35 root 2175: #ifdef USE_VRAM_THREAD
1.1.1.28 root 2176: DWORD WINAPI vram_thread(LPVOID)
2177: {
2178: while(!m_halted) {
2179: EnterCriticalSection(&vram_crit_sect);
2180: if(vram_length_char != 0 && vram_length_char == vram_last_length_char) {
2181: vram_flush_char();
2182: }
2183: if(vram_length_attr != 0 && vram_length_attr == vram_last_length_attr) {
2184: vram_flush_attr();
2185: }
2186: vram_last_length_char = vram_length_char;
2187: vram_last_length_attr = vram_length_attr;
2188: LeaveCriticalSection(&vram_crit_sect);
2189: // this is about half the maximum keyboard repeat rate - any
2190: // lower tends to be jerky, any higher misses updates
2191: Sleep(15);
2192: }
2193: return 0;
2194: }
2195: #endif
2196:
2197: long get_section_in_exec_file(FILE *fp, char *name)
2198: {
2199: UINT8 header[0x400];
2200:
2201: long position = ftell(fp);
2202: fseek(fp, 0, SEEK_SET);
2203: fread(header, sizeof(header), 1, fp);
2204: fseek(fp, position, SEEK_SET);
2205:
2206: try {
2207: _IMAGE_DOS_HEADER *dosHeader = (_IMAGE_DOS_HEADER *)(header + 0);
2208: DWORD dwTopOfSignature = dosHeader->e_lfanew;
2209: DWORD dwTopOfCoffHeader = dwTopOfSignature + 4;
2210: _IMAGE_FILE_HEADER *coffHeader = (_IMAGE_FILE_HEADER *)(header + dwTopOfCoffHeader);
2211: DWORD dwTopOfOptionalHeader = dwTopOfCoffHeader + sizeof(_IMAGE_FILE_HEADER);
2212: DWORD dwTopOfFirstSectionHeader = dwTopOfOptionalHeader + coffHeader->SizeOfOptionalHeader;
2213:
2214: for(int i = 0; i < coffHeader->NumberOfSections; i++) {
2215: _IMAGE_SECTION_HEADER *sectionHeader = (_IMAGE_SECTION_HEADER *)(header + dwTopOfFirstSectionHeader + IMAGE_SIZEOF_SECTION_HEADER * i);
2216: if(memcmp(sectionHeader->Name, name, strlen(name)) == 0) {
2217: return(sectionHeader->PointerToRawData);
2218: }
2219: }
2220: } catch(...) {
2221: }
2222: return(0);
2223: }
2224:
1.1.1.10 root 2225: bool is_started_from_command_prompt()
2226: {
1.1.1.18 root 2227: bool ret = false;
2228:
2229: HMODULE hLibrary = LoadLibrary(_T("Kernel32.dll"));
2230: if(hLibrary) {
2231: typedef DWORD (WINAPI *GetConsoleProcessListFunction)(__out LPDWORD lpdwProcessList, __in DWORD dwProcessCount);
2232: GetConsoleProcessListFunction lpfnGetConsoleProcessList;
2233: lpfnGetConsoleProcessList = reinterpret_cast<GetConsoleProcessListFunction>(::GetProcAddress(hLibrary, "GetConsoleProcessList"));
2234: if(lpfnGetConsoleProcessList) {
2235: DWORD pl;
2236: ret = (lpfnGetConsoleProcessList(&pl, 1) > 1);
2237: FreeLibrary(hLibrary);
2238: return(ret);
2239: }
2240: FreeLibrary(hLibrary);
2241: }
2242:
2243: HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
2244: if(hSnapshot != INVALID_HANDLE_VALUE) {
2245: DWORD dwParentProcessID = 0;
2246: PROCESSENTRY32 pe32;
2247: pe32.dwSize = sizeof(PROCESSENTRY32);
2248: if(Process32First(hSnapshot, &pe32)) {
2249: do {
2250: if(pe32.th32ProcessID == GetCurrentProcessId()) {
2251: dwParentProcessID = pe32.th32ParentProcessID;
2252: break;
2253: }
2254: } while(Process32Next(hSnapshot, &pe32));
2255: }
2256: CloseHandle(hSnapshot);
2257: if(dwParentProcessID != 0) {
2258: HANDLE hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, dwParentProcessID);
2259: if(hProcess != NULL) {
2260: HMODULE hMod;
2261: DWORD cbNeeded;
2262: if(EnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) {
2263: char module_name[MAX_PATH];
2264: if(GetModuleBaseName(hProcess, hMod, module_name, sizeof(module_name))) {
2265: ret = (_strnicmp(module_name, "cmd.exe", 7) == 0);
2266: }
2267: }
2268: CloseHandle(hProcess);
2269: }
2270: }
2271: }
2272: return(ret);
1.1.1.14 root 2273: }
2274:
2275: BOOL is_greater_windows_version(DWORD dwMajorVersion, DWORD dwMinorVersion, WORD wServicePackMajor, WORD wServicePackMinor)
2276: {
1.1.1.24 root 2277: // https://msdn.microsoft.com/en-us/library/windows/desktop/ms725491(v=vs.85).aspx
1.1.1.14 root 2278: OSVERSIONINFOEX osvi;
2279: DWORDLONG dwlConditionMask = 0;
2280: int op = VER_GREATER_EQUAL;
2281:
2282: // Initialize the OSVERSIONINFOEX structure.
2283: ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
2284: osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
2285: osvi.dwMajorVersion = dwMajorVersion;
2286: osvi.dwMinorVersion = dwMinorVersion;
2287: osvi.wServicePackMajor = wServicePackMajor;
2288: osvi.wServicePackMinor = wServicePackMinor;
2289:
2290: // Initialize the condition mask.
2291: VER_SET_CONDITION( dwlConditionMask, VER_MAJORVERSION, op );
2292: VER_SET_CONDITION( dwlConditionMask, VER_MINORVERSION, op );
2293: VER_SET_CONDITION( dwlConditionMask, VER_SERVICEPACKMAJOR, op );
2294: VER_SET_CONDITION( dwlConditionMask, VER_SERVICEPACKMINOR, op );
2295:
2296: // Perform the test.
2297: return VerifyVersionInfo(&osvi, VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR, dwlConditionMask);
2298: }
2299:
1.1.1.27 root 2300: void get_sio_port_numbers()
2301: {
2302: SP_DEVINFO_DATA DeviceInfoData = {sizeof(SP_DEVINFO_DATA)};
2303: HDEVINFO hDevInfo = 0;
2304: HKEY hKey = 0;
2305: if((hDevInfo = SetupDiGetClassDevs(&GUID_DEVINTERFACE_COMPORT, NULL, NULL, (DIGCF_PRESENT | DIGCF_DEVICEINTERFACE))) != 0) {
2306: for(int i = 0; SetupDiEnumDeviceInfo(hDevInfo, i, &DeviceInfoData); i++) {
2307: if((hKey = SetupDiOpenDevRegKey(hDevInfo, &DeviceInfoData, DICS_FLAG_GLOBAL, 0, DIREG_DEV, KEY_QUERY_VALUE)) != INVALID_HANDLE_VALUE) {
2308: char chData[256];
2309: DWORD dwType = 0;
2310: DWORD dwSize = sizeof(chData);
2311: int port_number = 0;
2312:
2313: if(RegQueryValueEx(hKey, _T("PortName"), NULL, &dwType, (BYTE *)chData, &dwSize) == ERROR_SUCCESS) {
2314: if(_strnicmp(chData, "COM", 3) == 0) {
2315: port_number = atoi(chData + 3);
2316: }
2317: }
2318: RegCloseKey(hKey);
2319:
1.1.1.29 root 2320: 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 2321: continue;
2322: }
2323: if(sio_port_number[0] == 0) {
2324: sio_port_number[0] = port_number;
2325: } else if(sio_port_number[1] == 0) {
2326: sio_port_number[1] = port_number;
1.1.1.29 root 2327: } else if(sio_port_number[2] == 0) {
2328: sio_port_number[2] = port_number;
2329: } else if(sio_port_number[3] == 0) {
2330: sio_port_number[3] = port_number;
1.1.1.27 root 2331: }
1.1.1.29 root 2332: 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 2333: break;
2334: }
2335: }
2336: }
2337: }
2338: }
2339:
1.1.1.28 root 2340: #define IS_NUMERIC(c) ((c) >= '0' && (c) <= '9')
2341:
1.1 root 2342: int main(int argc, char *argv[], char *envp[])
2343: {
1.1.1.9 root 2344: int arg_offset = 0;
2345: int standard_env = 0;
1.1.1.14 root 2346: int buf_width = 0, buf_height = 0;
1.1.1.28 root 2347: bool get_console_info_success = false;
2348: bool screen_size_changed = false;
2349:
2350: _TCHAR path[MAX_PATH], full[MAX_PATH], *name = NULL;
2351: GetModuleFileName(NULL, path, MAX_PATH);
2352: GetFullPathName(path, MAX_PATH, full, &name);
1.1 root 2353:
1.1.1.27 root 2354: char dummy_argv_0[] = "msdos.exe";
2355: char dummy_argv_1[MAX_PATH];
2356: char *dummy_argv[256] = {dummy_argv_0, dummy_argv_1, 0};
2357: char new_exec_file[MAX_PATH];
2358: bool convert_cmd_file = false;
1.1.1.28 root 2359: unsigned int code_page = 0;
1.1.1.27 root 2360:
2361: if(name != NULL && stricmp(name, "msdos.exe") != 0) {
1.1.1.28 root 2362: // check if command file is embedded to this execution file
2363: // if this execution file name is msdos.exe, don't check
1.1.1.27 root 2364: FILE* fp = fopen(full, "rb");
1.1.1.28 root 2365: long offset = get_section_in_exec_file(fp, ".msdos");
2366: if(offset != 0) {
1.1.1.30 root 2367: UINT8 buffer[16];
1.1.1.28 root 2368: fseek(fp, offset, SEEK_SET);
2369: fread(buffer, sizeof(buffer), 1, fp);
2370:
2371: // restore flags
2372: stay_busy = ((buffer[0] & 0x01) != 0);
2373: no_windows = ((buffer[0] & 0x02) != 0);
2374: standard_env = ((buffer[0] & 0x04) != 0);
2375: ignore_illegal_insn = ((buffer[0] & 0x08) != 0);
2376: limit_max_memory = ((buffer[0] & 0x10) != 0);
2377: if((buffer[0] & 0x20) != 0) {
2378: get_sio_port_numbers();
2379: }
2380: if((buffer[0] & 0x40) != 0) {
2381: UMB_TOP = EMS_TOP + EMS_SIZE;
2382: support_ems = true;
1.1.1.30 root 2383: }
1.1.1.27 root 2384: #ifdef SUPPORT_XMS
1.1.1.30 root 2385: if((buffer[0] & 0x80) != 0) {
1.1.1.28 root 2386: support_xms = true;
2387: }
1.1.1.30 root 2388: #endif
1.1.1.28 root 2389: if((buffer[1] != 0 || buffer[2] != 0) && (buffer[3] != 0 || buffer[4] != 0)) {
2390: buf_width = buffer[1] | (buffer[2] << 8);
2391: buf_height = buffer[3] | (buffer[4] << 8);
2392: }
2393: if(buffer[5] != 0) {
1.1.1.30 root 2394: dos_major_version = buffer[5];
2395: dos_minor_version = buffer[6];
2396: }
2397: if(buffer[7] != 0) {
2398: win_major_version = buffer[7];
2399: win_minor_version = buffer[8];
1.1.1.28 root 2400: }
1.1.1.30 root 2401: if((code_page = buffer[9] | (buffer[10] << 8)) != 0) {
1.1.1.28 root 2402: SetConsoleCP(code_page);
2403: SetConsoleOutputCP(code_page);
2404: }
1.1.1.30 root 2405: int name_len = buffer[11];
2406: int file_len = buffer[12] | (buffer[13] << 8) | (buffer[14] << 16) | (buffer[15] << 24);
1.1.1.28 root 2407:
2408: // restore command file name
2409: memset(dummy_argv_1, 0, sizeof(dummy_argv_1));
2410: fread(dummy_argv_1, name_len, 1, fp);
2411:
2412: if(name_len != 0 && _access(dummy_argv_1, 0) == 0) {
2413: // if original command file exists, create a temporary file name
2414: if(GetTempFileName(_T("."), _T("DOS"), 0, dummy_argv_1) != 0) {
2415: // create a temporary command file in the current director
2416: DeleteFile(dummy_argv_1);
1.1.1.27 root 2417: } else {
1.1.1.28 root 2418: // create a temporary command file in the temporary folder
2419: GetTempPath(MAX_PATH, path);
2420: if(GetTempFileName(path, _T("DOS"), 0, dummy_argv_1) != 0) {
2421: DeleteFile(dummy_argv_1);
2422: } else {
2423: sprintf(dummy_argv_1, "%s$DOSPRG$.TMP", path);
2424: }
1.1.1.27 root 2425: }
1.1.1.28 root 2426: // check the command file type
2427: fread(buffer, 2, 1, fp);
2428: fseek(fp, -2, SEEK_CUR);
2429: if(memcmp(buffer, "MZ", 2) != 0) {
2430: memcpy(dummy_argv_1 + strlen(dummy_argv_1) - 4, ".COM", 4);
2431: } else {
2432: memcpy(dummy_argv_1 + strlen(dummy_argv_1) - 4, ".EXE", 4);
1.1.1.27 root 2433: }
2434: }
1.1.1.28 root 2435:
2436: // restore command file
2437: FILE* fo = fopen(dummy_argv_1, "wb");
2438: for(int i = 0; i < file_len; i++) {
2439: fputc(fgetc(fp), fo);
2440: }
2441: fclose(fo);
2442:
2443: GetFullPathName(dummy_argv_1, MAX_PATH, temp_file_path, NULL);
2444: temp_file_created = true;
2445: SetFileAttributes(temp_file_path, FILE_ATTRIBUTE_HIDDEN);
2446:
2447: // adjust argc/argv
2448: for(int i = 1; i < argc && (i + 1) < 256; i++) {
2449: dummy_argv[i + 1] = argv[i];
2450: }
2451: argc++;
2452: argv = dummy_argv;
1.1.1.27 root 2453: }
2454: fclose(fp);
2455: }
1.1.1.9 root 2456: for(int i = 1; i < argc; i++) {
1.1.1.25 root 2457: if(_strnicmp(argv[i], "-b", 2) == 0) {
2458: stay_busy = true;
2459: arg_offset++;
1.1.1.27 root 2460: } else if(_strnicmp(argv[i], "-c", 2) == 0) {
2461: if(argv[i][2] != '\0') {
2462: strcpy(new_exec_file, &argv[i][2]);
2463: } else {
2464: strcpy(new_exec_file, "new_exec_file.exe");
2465: }
2466: convert_cmd_file = true;
2467: arg_offset++;
1.1.1.28 root 2468: } else if(_strnicmp(argv[i], "-p", 2) == 0) {
2469: if(IS_NUMERIC(argv[i][2])) {
2470: code_page = atoi(&argv[i][2]);
2471: } else {
2472: code_page = GetConsoleCP();
2473: }
2474: arg_offset++;
1.1.1.25 root 2475: } else if(_strnicmp(argv[i], "-d", 2) == 0) {
2476: no_windows = true;
2477: arg_offset++;
2478: } else if(_strnicmp(argv[i], "-e", 2) == 0) {
1.1.1.9 root 2479: standard_env = 1;
2480: arg_offset++;
1.1.1.14 root 2481: } else if(_strnicmp(argv[i], "-i", 2) == 0) {
2482: ignore_illegal_insn = true;
2483: arg_offset++;
2484: } else if(_strnicmp(argv[i], "-m", 2) == 0) {
2485: limit_max_memory = true;
2486: arg_offset++;
2487: } else if(_strnicmp(argv[i], "-n", 2) == 0) {
1.1.1.17 root 2488: if(sscanf(argv[1] + 2, "%d,%d", &buf_height, &buf_width) != 2) {
2489: buf_width = buf_height = 0;
2490: }
2491: if(buf_width <= 0 || buf_width > 0x7fff) {
2492: buf_width = 80;
2493: }
2494: if(buf_height <= 0 || buf_height > 0x7fff) {
2495: buf_height = 25;
2496: }
1.1.1.14 root 2497: arg_offset++;
1.1.1.25 root 2498: } else if(_strnicmp(argv[i], "-s", 2) == 0) {
1.1.1.28 root 2499: if(IS_NUMERIC(argv[i][2])) {
1.1.1.29 root 2500: char *p0 = &argv[i][2], *p1, *p2, *p3;
2501: if((p1 = strchr(p0, ',')) != NULL && IS_NUMERIC(p1[1])) {
2502: sio_port_number[1] = atoi(p1 + 1);
2503: if((p2 = strchr(p1, ',')) != NULL && IS_NUMERIC(p2[1])) {
2504: sio_port_number[2] = atoi(p2 + 1);
2505: if((p3 = strchr(p2, ',')) != NULL && IS_NUMERIC(p3[1])) {
2506: sio_port_number[3] = atoi(p3 + 1);
2507: }
2508: }
1.1.1.25 root 2509: }
1.1.1.29 root 2510: sio_port_number[0] = atoi(p0);
1.1.1.25 root 2511: }
1.1.1.29 root 2512: 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 2513: get_sio_port_numbers();
1.1.1.25 root 2514: }
2515: arg_offset++;
1.1.1.9 root 2516: } else if(_strnicmp(argv[i], "-v", 2) == 0) {
1.1.1.17 root 2517: 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 2518: dos_major_version = argv[i][2] - '0';
2519: dos_minor_version = (argv[i][4] - '0') * 10 + (argv[i][5] ? (argv[i][5] - '0') : 0);
2520: }
2521: arg_offset++;
2522: } else if(_strnicmp(argv[i], "-w", 2) == 0) {
2523: 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]))) {
2524: win_major_version = argv[i][2] - '0';
2525: win_minor_version = (argv[i][4] - '0') * 10 + (argv[i][5] ? (argv[i][5] - '0') : 0);
1.1.1.9 root 2526: }
2527: arg_offset++;
1.1.1.25 root 2528: } else if(_strnicmp(argv[i], "-x", 2) == 0) {
2529: UMB_TOP = EMS_TOP + EMS_SIZE;
2530: support_ems = true;
2531: #ifdef SUPPORT_XMS
2532: support_xms = true;
2533: #endif
2534: arg_offset++;
1.1.1.9 root 2535: } else {
2536: break;
2537: }
2538: }
2539: if(argc < 2 + arg_offset) {
1.1 root 2540: #ifdef _WIN64
1.1.1.14 root 2541: fprintf(stderr, "MS-DOS Player (" CPU_MODEL_NAME(CPU_MODEL) ") for Win32-x64 console\n\n");
1.1 root 2542: #else
1.1.1.14 root 2543: fprintf(stderr, "MS-DOS Player (" CPU_MODEL_NAME(CPU_MODEL) ") for Win32 console\n\n");
1.1 root 2544: #endif
1.1.1.25 root 2545: fprintf(stderr,
1.1.1.28 root 2546: "Usage: MSDOS [-b] [-c[(new exec file)] [-p[P]]] [-d] [-e] [-i] [-m] [-n[L[,C]]]\n"
1.1.1.30 root 2547: " [-s[P1[,P2[,P3[,P4]]]]] [-vX.XX] [-wX.XX] [-x] (command) [options]\n"
1.1.1.25 root 2548: "\n"
2549: "\t-b\tstay busy during keyboard polling\n"
1.1.1.28 root 2550: #ifdef _WIN64
1.1.1.27 root 2551: "\t-c\tconvert command file to 64bit execution file\n"
1.1.1.28 root 2552: #else
1.1.1.27 root 2553: "\t-c\tconvert command file to 32bit execution file\n"
2554: #endif
1.1.1.28 root 2555: "\t-p\trecord current code page when convert command file\n"
1.1.1.25 root 2556: "\t-d\tpretend running under straight DOS, not Windows\n"
2557: "\t-e\tuse a reduced environment block\n"
2558: "\t-i\tignore invalid instructions\n"
2559: "\t-m\trestrict free memory to 0x7FFF paragraphs\n"
2560: "\t-n\tcreate a new buffer (25 lines, 80 columns by default)\n"
2561: "\t-s\tenable serial I/O and set host's COM port numbers\n"
2562: "\t-v\tset the DOS version\n"
1.1.1.30 root 2563: "\t-w\tset the Windows version\n"
1.1.1.19 root 2564: #ifdef SUPPORT_XMS
1.1.1.28 root 2565: "\t-x\tenable XMS and LIM EMS\n"
1.1.1.19 root 2566: #else
1.1.1.28 root 2567: "\t-x\tenable LIM EMS\n"
1.1.1.19 root 2568: #endif
2569: );
1.1.1.10 root 2570:
2571: if(!is_started_from_command_prompt()) {
2572: fprintf(stderr, "\nStart this program from a command prompt!\n\nHit any key to quit...");
2573: while(!_kbhit()) {
2574: Sleep(10);
2575: }
2576: }
1.1.1.20 root 2577: #ifdef _DEBUG
2578: _CrtDumpMemoryLeaks();
2579: #endif
1.1 root 2580: return(EXIT_FAILURE);
2581: }
1.1.1.27 root 2582: if(convert_cmd_file) {
2583: retval = EXIT_FAILURE;
1.1.1.28 root 2584: if(name != NULL/* && stricmp(name, "msdos.exe") == 0*/) {
1.1.1.27 root 2585: FILE *fp = NULL, *fs = NULL, *fo = NULL;
1.1.1.28 root 2586: int len = strlen(argv[arg_offset + 1]), data;
1.1.1.27 root 2587:
1.1.1.28 root 2588: if(!(len > 4 && (stricmp(argv[arg_offset + 1] + len - 4, ".COM") == 0 || stricmp(argv[arg_offset + 1] + len - 4, ".EXE") == 0))) {
2589: fprintf(stderr, "Specify command file with extenstion (.COM or .EXE)\n");
2590: } else if((fp = fopen(full, "rb")) == NULL) {
2591: fprintf(stderr, "Can't open '%s'\n", name);
1.1.1.27 root 2592: } else {
1.1.1.28 root 2593: long offset = get_section_in_exec_file(fp, ".msdos");
2594: if(offset != 0) {
2595: UINT8 buffer[14];
2596: fseek(fp, offset, SEEK_SET);
2597: fread(buffer, sizeof(buffer), 1, fp);
2598: memset(path, 0, sizeof(path));
2599: fread(path, buffer[9], 1, fp);
2600: fprintf(stderr, "Command file '%s' was already embedded to '%s'\n", path, name);
2601: } else if((fs = fopen(argv[arg_offset + 1], "rb")) == NULL) {
2602: fprintf(stderr, "Can't open '%s'\n", argv[arg_offset + 1]);
2603: } else if((fo = fopen(new_exec_file, "wb")) == NULL) {
2604: fprintf(stderr, "Can't open '%s'\n", new_exec_file);
2605: } else {
2606: // read pe header of msdos.exe
2607: UINT8 header[0x400];
2608: fseek(fp, 0, SEEK_SET);
2609: fread(header, sizeof(header), 1, fp);
2610:
2611: _IMAGE_DOS_HEADER *dosHeader = (_IMAGE_DOS_HEADER *)(header + 0);
2612: DWORD dwTopOfSignature = dosHeader->e_lfanew;
2613: DWORD dwTopOfCoffHeader = dwTopOfSignature + 4;
2614: _IMAGE_FILE_HEADER *coffHeader = (_IMAGE_FILE_HEADER *)(header + dwTopOfCoffHeader);
2615: DWORD dwTopOfOptionalHeader = dwTopOfCoffHeader + sizeof(_IMAGE_FILE_HEADER);
2616: _IMAGE_OPTIONAL_HEADER *optionalHeader = (_IMAGE_OPTIONAL_HEADER *)(header + dwTopOfOptionalHeader);
2617: DWORD dwTopOfFirstSectionHeader = dwTopOfOptionalHeader + coffHeader->SizeOfOptionalHeader;
2618:
2619: _IMAGE_SECTION_HEADER *lastSectionHeader = (_IMAGE_SECTION_HEADER *)(header + dwTopOfFirstSectionHeader + IMAGE_SIZEOF_SECTION_HEADER * (coffHeader->NumberOfSections - 1));
2620: DWORD dwEndOfFile = lastSectionHeader->PointerToRawData + lastSectionHeader->SizeOfRawData;
2621: DWORD dwLastSectionSize = lastSectionHeader->SizeOfRawData;
2622: DWORD dwExtraLastSectionBytes = dwLastSectionSize % optionalHeader->SectionAlignment;
2623: if(dwExtraLastSectionBytes != 0) {
2624: DWORD dwRemain = optionalHeader->SectionAlignment - dwExtraLastSectionBytes;
2625: dwLastSectionSize += dwRemain;
2626: }
2627: DWORD dwVirtualAddress = lastSectionHeader->VirtualAddress + dwLastSectionSize;
2628:
2629: // store msdos.exe
2630: fseek(fp, 0, SEEK_SET);
2631: for(int i = 0; i < dwEndOfFile; i++) {
2632: if((data = fgetc(fp)) != EOF) {
2633: fputc(data, fo);
2634: } else {
2635: // we should not reach here :-(
2636: fputc(0, fo);
2637: }
2638: }
2639:
2640: // store options
2641: UINT8 flags = 0;
2642: if(stay_busy) {
2643: flags |= 0x01;
2644: }
2645: if(no_windows) {
2646: flags |= 0x02;
2647: }
2648: if(standard_env) {
2649: flags |= 0x04;
2650: }
2651: if(ignore_illegal_insn) {
2652: flags |= 0x08;
2653: }
2654: if(limit_max_memory) {
2655: flags |= 0x10;
2656: }
1.1.1.29 root 2657: 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 2658: flags |= 0x20;
2659: }
2660: if(support_ems) {
2661: flags |= 0x40;
2662: }
1.1.1.30 root 2663: #ifdef SUPPORT_XMS
2664: if(support_xms) {
2665: flags |= 0x80;
2666: }
2667: #endif
1.1.1.28 root 2668:
2669: fputc(flags, fo);
2670: fputc((buf_width >> 0) & 0xff, fo);
2671: fputc((buf_width >> 8) & 0xff, fo);
2672: fputc((buf_height >> 0) & 0xff, fo);
2673: fputc((buf_height >> 8) & 0xff, fo);
1.1.1.30 root 2674: fputc(dos_major_version, fo);
2675: fputc(dos_minor_version, fo);
2676: fputc(win_major_version, fo);
2677: fputc(win_minor_version, fo);
1.1.1.28 root 2678: fputc((code_page >> 0) & 0xff, fo);
2679: fputc((code_page >> 8) & 0xff, fo);
2680:
2681: // store command file info
2682: GetFullPathName(argv[arg_offset + 1], MAX_PATH, full, &name);
2683: int name_len = strlen(name);
2684: fseek(fs, 0, SEEK_END);
2685: long file_size = ftell(fs);
2686:
2687: fputc(name_len, fo);
2688: fputc((file_size >> 0) & 0xff, fo);
2689: fputc((file_size >> 8) & 0xff, fo);
2690: fputc((file_size >> 16) & 0xff, fo);
2691: fputc((file_size >> 24) & 0xff, fo);
2692: fwrite(name, name_len, 1, fo);
2693:
2694: // store command file
2695: fseek(fs, 0, SEEK_SET);
2696: for(int i = 0; i < file_size; i++) {
2697: if((data = fgetc(fs)) != EOF) {
2698: fputc(data, fo);
2699: } else {
2700: // we should not reach here :-(
2701: fputc(0, fo);
2702: }
2703: }
2704:
2705: // store padding data and update pe header
1.1.1.29 root 2706: _IMAGE_SECTION_HEADER *newSectionHeader = (_IMAGE_SECTION_HEADER *)(header + dwTopOfFirstSectionHeader + IMAGE_SIZEOF_SECTION_HEADER * coffHeader->NumberOfSections);
2707: coffHeader->NumberOfSections++;
2708: memset(newSectionHeader, 0, IMAGE_SIZEOF_SECTION_HEADER);
2709: memcpy(newSectionHeader->Name, ".msdos", 6);
2710: newSectionHeader->VirtualAddress = dwVirtualAddress;
2711: newSectionHeader->PointerToRawData = dwEndOfFile;
2712: newSectionHeader->Characteristics = IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_DISCARDABLE;
1.1.1.28 root 2713: newSectionHeader->SizeOfRawData = 14 + name_len + file_size;
2714: DWORD dwExtraRawBytes = newSectionHeader->SizeOfRawData % optionalHeader->FileAlignment;
2715: if(dwExtraRawBytes != 0) {
1.1.1.29 root 2716: static const char padding[] = "PADDINGXXPADDING";
1.1.1.28 root 2717: DWORD dwRemain = optionalHeader->FileAlignment - dwExtraRawBytes;
2718: for(int i = 0; i < dwRemain; i++) {
1.1.1.29 root 2719: if(i < 2) {
2720: fputc(padding[i & 15], fo);
2721: } else {
2722: fputc(padding[(i - 2) & 15], fo);
2723: }
1.1.1.28 root 2724: }
2725: newSectionHeader->SizeOfRawData += dwRemain;
2726: }
2727: newSectionHeader->Misc.VirtualSize = newSectionHeader->SizeOfRawData;
2728:
2729: DWORD dwNewSectionSize = newSectionHeader->SizeOfRawData;
2730: DWORD dwExtraNewSectionBytes = dwNewSectionSize % optionalHeader->SectionAlignment;
2731: if(dwExtraNewSectionBytes != 0) {
2732: DWORD dwRemain = optionalHeader->SectionAlignment - dwExtraNewSectionBytes;
2733: dwNewSectionSize += dwRemain;
2734: }
2735: optionalHeader->SizeOfImage += dwNewSectionSize;
2736:
2737: fseek(fo, 0, SEEK_SET);
2738: fwrite(header, sizeof(header), 1, fo);
2739:
2740: fprintf(stderr, "'%s' is successfully created\n", new_exec_file);
2741: retval = EXIT_SUCCESS;
1.1.1.27 root 2742: }
2743: }
2744: if(fp != NULL) {
2745: fclose(fp);
2746: }
2747: if(fs != NULL) {
2748: fclose(fs);
2749: }
2750: if(fo != NULL) {
2751: fclose(fo);
2752: }
2753: }
2754: #ifdef _DEBUG
2755: _CrtDumpMemoryLeaks();
2756: #endif
2757: return(retval);
2758: }
1.1 root 2759:
1.1.1.14 root 2760: is_vista_or_later = is_greater_windows_version(6, 0, 0, 0);
2761:
1.1.1.23 root 2762: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 2763: CONSOLE_SCREEN_BUFFER_INFO csbi;
1.1.1.14 root 2764: CONSOLE_CURSOR_INFO ci;
1.1.1.23 root 2765:
1.1.1.28 root 2766: get_console_info_success = (GetConsoleScreenBufferInfo(hStdout, &csbi) != 0);
1.1.1.14 root 2767: GetConsoleCursorInfo(hStdout, &ci);
1.1.1.24 root 2768: GetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), &dwConsoleMode);
1.1 root 2769:
1.1.1.14 root 2770: for(int y = 0; y < SCR_BUF_WIDTH; y++) {
2771: for(int x = 0; x < SCR_BUF_HEIGHT; x++) {
2772: SCR_BUF(y,x).Char.AsciiChar = ' ';
2773: SCR_BUF(y,x).Attributes = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
1.1 root 2774: }
2775: }
1.1.1.28 root 2776: if(get_console_info_success) {
1.1.1.12 root 2777: scr_width = csbi.dwSize.X;
1.1.1.14 root 2778: scr_height = csbi.srWindow.Bottom - csbi.srWindow.Top + 1;
2779:
1.1.1.28 root 2780: // v-text shadow buffer size must be lesser than 0x7fd0
2781: if((scr_width > SCR_BUF_WIDTH) || (scr_height > SCR_BUF_HEIGHT) || (scr_width * scr_height * 2 > 0x7fd0) ||
1.1.1.14 root 2782: (buf_width != 0 && buf_width != scr_width) || (buf_height != 0 && buf_height != scr_height)) {
2783: scr_width = min(buf_width != 0 ? buf_width : scr_width, SCR_BUF_WIDTH);
2784: scr_height = min(buf_height != 0 ? buf_height : scr_height, SCR_BUF_HEIGHT);
1.1.1.28 root 2785: if(scr_width * scr_height * 2 > 0x7fd0) {
1.1.1.14 root 2786: scr_width = 80;
2787: scr_height = 25;
2788: }
1.1.1.28 root 2789: screen_size_changed = true;
1.1.1.14 root 2790: }
1.1.1.12 root 2791: } else {
2792: // for a proof (not a console)
2793: scr_width = 80;
2794: scr_height = 25;
2795: }
1.1.1.14 root 2796: scr_buf_size.X = scr_width;
2797: scr_buf_size.Y = scr_height;
2798: scr_buf_pos.X = scr_buf_pos.Y = 0;
2799: scr_top = csbi.srWindow.Top;
1.1 root 2800: cursor_moved = false;
2801:
1.1.1.35 root 2802: #ifdef USE_SERVICE_THREAD
2803: InitializeCriticalSection(&input_crit_sect);
2804: InitializeCriticalSection(&key_buf_crit_sect);
2805: InitializeCriticalSection(&putch_crit_sect);
2806: #endif
1.1.1.25 root 2807: key_buf_char = new FIFO(256);
2808: key_buf_scan = new FIFO(256);
1.1 root 2809:
2810: hardware_init();
2811:
1.1.1.33 root 2812: #ifdef USE_DEBUGGER
2813: debugger_init();
2814: #endif
2815:
1.1.1.9 root 2816: if(msdos_init(argc - (arg_offset + 1), argv + (arg_offset + 1), envp, standard_env)) {
1.1 root 2817: retval = EXIT_FAILURE;
2818: } else {
1.1.1.27 root 2819: #if defined(_MSC_VER) && (_MSC_VER >= 1400)
1.1.1.14 root 2820: _set_invalid_parameter_handler((_invalid_parameter_handler)ignore_invalid_parameters);
2821: #endif
2822: SetConsoleCtrlHandler(ctrl_handler, TRUE);
2823:
1.1.1.28 root 2824: if(screen_size_changed) {
1.1.1.24 root 2825: change_console_size(scr_width, scr_height);
2826: }
1.1.1.8 root 2827: TIMECAPS caps;
2828: timeGetDevCaps(&caps, sizeof(TIMECAPS));
2829: timeBeginPeriod(caps.wPeriodMin);
1.1.1.35 root 2830: #ifdef USE_VRAM_THREAD
1.1.1.14 root 2831: InitializeCriticalSection(&vram_crit_sect);
2832: CloseHandle(CreateThread(NULL, 4096, vram_thread, NULL, 0, NULL));
2833: #endif
1.1.1.33 root 2834: #ifdef USE_DEBUGGER
2835: CloseHandle(CreateThread(NULL, 0, debugger_thread, NULL, 0, NULL));
2836: // wait until telnet client starts and connects to me
2837: if(_access(debugger_get_ttermpro_path(), 0) == 0 ||
2838: _access(debugger_get_ttermpro_x86_path(), 0) == 0 ||
2839: _access(debugger_get_putty_path(), 0) == 0 ||
2840: _access(debugger_get_putty_x86_path(), 0) == 0 ||
2841: _access(debugger_get_telnet_path(), 0) == 0) {
2842: for(int i = 0; i < 100 && cli_socket == 0; i++) {
2843: Sleep(100);
2844: }
2845: }
2846: #endif
1.1 root 2847: hardware_run();
1.1.1.35 root 2848: #ifdef USE_VRAM_THREAD
1.1.1.14 root 2849: vram_flush();
2850: DeleteCriticalSection(&vram_crit_sect);
2851: #endif
1.1.1.24 root 2852: timeEndPeriod(caps.wPeriodMin);
1.1.1.14 root 2853:
1.1.1.24 root 2854: // hStdin/hStdout (and all handles) will be closed in msdos_finish()...
1.1.1.28 root 2855: if(get_console_info_success) {
1.1.1.23 root 2856: hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.12 root 2857: if(restore_console_on_exit) {
1.1.1.14 root 2858: // window can't be bigger than buffer,
2859: // buffer can't be smaller than window,
2860: // so make a tiny window,
2861: // set the required buffer,
2862: // then set the required window
2863: SMALL_RECT rect;
2864: SET_RECT(rect, 0, csbi.srWindow.Top, 0, csbi.srWindow.Top);
2865: SetConsoleWindowInfo(hStdout, TRUE, &rect);
1.1.1.12 root 2866: SetConsoleScreenBufferSize(hStdout, csbi.dwSize);
1.1.1.14 root 2867: SET_RECT(rect, 0, 0, csbi.srWindow.Right - csbi.srWindow.Left, csbi.srWindow.Bottom - csbi.srWindow.Top);
1.1.1.12 root 2868: SetConsoleWindowInfo(hStdout, TRUE, &rect);
2869: }
1.1.1.14 root 2870: SetConsoleTextAttribute(hStdout, csbi.wAttributes);
2871: SetConsoleCursorInfo(hStdout, &ci);
1.1.1.12 root 2872: }
1.1.1.24 root 2873: SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), dwConsoleMode);
2874:
1.1 root 2875: msdos_finish();
1.1.1.14 root 2876:
2877: SetConsoleCtrlHandler(ctrl_handler, FALSE);
1.1 root 2878: }
1.1.1.35 root 2879: if(temp_file_created) {
2880: DeleteFile(temp_file_path);
2881: temp_file_created = false;
2882: }
1.1.1.10 root 2883: hardware_finish();
2884:
1.1.1.28 root 2885: if(key_buf_char != NULL) {
2886: key_buf_char->release();
2887: delete key_buf_char;
2888: key_buf_char = NULL;
2889: }
2890: if(key_buf_scan != NULL) {
2891: key_buf_scan->release();
2892: delete key_buf_scan;
2893: key_buf_scan = NULL;
2894: }
1.1.1.35 root 2895: #ifdef USE_SERVICE_THREAD
2896: DeleteCriticalSection(&input_crit_sect);
2897: DeleteCriticalSection(&key_buf_crit_sect);
2898: DeleteCriticalSection(&putch_crit_sect);
2899: #endif
1.1.1.20 root 2900: #ifdef _DEBUG
2901: _CrtDumpMemoryLeaks();
2902: #endif
1.1 root 2903: return(retval);
2904: }
2905:
1.1.1.20 root 2906: /* ----------------------------------------------------------------------------
2907: console
2908: ---------------------------------------------------------------------------- */
2909:
1.1.1.14 root 2910: void change_console_size(int width, int height)
1.1.1.12 root 2911: {
1.1.1.23 root 2912: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.12 root 2913: CONSOLE_SCREEN_BUFFER_INFO csbi;
2914: SMALL_RECT rect;
2915: COORD co;
2916:
2917: GetConsoleScreenBufferInfo(hStdout, &csbi);
1.1.1.14 root 2918: if(csbi.srWindow.Top != 0 || csbi.dwCursorPosition.Y > height - 1) {
2919: if(csbi.srWindow.Right - csbi.srWindow.Left + 1 == width && csbi.srWindow.Bottom - csbi.srWindow.Top + 1 == height) {
2920: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &csbi.srWindow);
2921: SET_RECT(rect, 0, 0, width - 1, height - 1);
2922: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
2923: } else if(csbi.dwCursorPosition.Y > height - 1) {
2924: SET_RECT(rect, 0, csbi.dwCursorPosition.Y - (height - 1), width - 1, csbi.dwCursorPosition.Y);
2925: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
2926: SET_RECT(rect, 0, 0, width - 1, height - 1);
2927: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1.1.12 root 2928: }
2929: }
1.1.1.14 root 2930: if(csbi.dwCursorPosition.Y > height - 1) {
1.1.1.12 root 2931: co.X = csbi.dwCursorPosition.X;
1.1.1.14 root 2932: co.Y = min(height - 1, csbi.dwCursorPosition.Y - csbi.srWindow.Top);
1.1.1.12 root 2933: SetConsoleCursorPosition(hStdout, co);
2934: cursor_moved = true;
2935: }
1.1.1.14 root 2936:
2937: // window can't be bigger than buffer,
2938: // buffer can't be smaller than window,
2939: // so make a tiny window,
2940: // set the required buffer,
2941: // then set the required window
2942: SET_RECT(rect, 0, csbi.srWindow.Top, 0, csbi.srWindow.Top);
1.1.1.12 root 2943: SetConsoleWindowInfo(hStdout, TRUE, &rect);
1.1.1.14 root 2944: co.X = width;
2945: co.Y = height;
1.1.1.12 root 2946: SetConsoleScreenBufferSize(hStdout, co);
1.1.1.14 root 2947: SET_RECT(rect, 0, 0, width - 1, height - 1);
2948: SetConsoleWindowInfo(hStdout, TRUE, &rect);
2949:
2950: scr_width = scr_buf_size.X = width;
2951: scr_height = scr_buf_size.Y = height;
2952: scr_top = 0;
2953:
2954: clear_scr_buffer(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
2955:
2956: int regen = min(scr_width * scr_height * 2, 0x8000);
1.1.1.15 root 2957: text_vram_end_address = text_vram_top_address + regen;
2958: shadow_buffer_end_address = shadow_buffer_top_address + regen;
2959:
1.1.1.14 root 2960: if(regen > 0x4000) {
2961: regen = 0x8000;
2962: vram_pages = 1;
2963: } else if(regen > 0x2000) {
2964: regen = 0x4000;
2965: vram_pages = 2;
2966: } else if(regen > 0x1000) {
2967: regen = 0x2000;
2968: vram_pages = 4;
2969: } else {
2970: regen = 0x1000;
2971: vram_pages = 8;
2972: }
1.1.1.15 root 2973: *(UINT16 *)(mem + 0x44a) = scr_width;
2974: *(UINT16 *)(mem + 0x44c) = regen;
2975: *(UINT8 *)(mem + 0x484) = scr_height - 1;
2976:
1.1.1.24 root 2977: mouse.min_position.x = 0;
2978: mouse.min_position.y = 0;
1.1.1.34 root 2979: mouse.max_position.x = 8 * (scr_width - 1);
2980: mouse.max_position.y = 8 * (scr_height - 1);
1.1.1.24 root 2981:
1.1.1.15 root 2982: restore_console_on_exit = true;
1.1.1.14 root 2983: }
2984:
2985: void clear_scr_buffer(WORD attr)
2986: {
2987: for(int y = 0; y < scr_height; y++) {
2988: for(int x = 0; x < scr_width; x++) {
2989: SCR_BUF(y,x).Char.AsciiChar = ' ';
2990: SCR_BUF(y,x).Attributes = attr;
2991: }
2992: }
1.1.1.12 root 2993: }
2994:
1.1.1.24 root 2995: bool update_console_input()
1.1 root 2996: {
1.1.1.35 root 2997: #ifdef USE_SERVICE_THREAD
2998: EnterCriticalSection(&input_crit_sect);
2999: #endif
1.1.1.23 root 3000: HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE);
1.1.1.8 root 3001: DWORD dwNumberOfEvents = 0;
1.1 root 3002: DWORD dwRead;
3003: INPUT_RECORD ir[16];
1.1.1.24 root 3004: CONSOLE_SCREEN_BUFFER_INFO csbi = {0};
3005: bool result = false;
1.1 root 3006:
1.1.1.8 root 3007: if(GetNumberOfConsoleInputEvents(hStdin, &dwNumberOfEvents) && dwNumberOfEvents != 0) {
3008: if(ReadConsoleInputA(hStdin, ir, 16, &dwRead)) {
3009: for(int i = 0; i < dwRead; i++) {
1.1.1.24 root 3010: if(ir[i].EventType & MOUSE_EVENT) {
1.1.1.34 root 3011: if(mouse.hidden == 0) {
3012: // NOTE: if restore_console_on_exit, console is not scrolled
3013: if(!restore_console_on_exit && csbi.srWindow.Bottom == 0) {
3014: GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
3015: }
3016: // FIXME: character size is always 8x8 ???
3017: int x = 8 * (ir[i].Event.MouseEvent.dwMousePosition.X);
3018: int y = 8 * (ir[i].Event.MouseEvent.dwMousePosition.Y - csbi.srWindow.Top);
3019:
3020: if(mouse.position.x != x || mouse.position.y != y) {
3021: mouse.position.x = x;
3022: mouse.position.y = y;
3023: mouse.status |= 1;
3024: }
3025: }
3026: if(ir[i].Event.MouseEvent.dwEventFlags == 0) {
3027: for(int i = 0; i < MAX_MOUSE_BUTTONS; i++) {
3028: static const DWORD bits[] = {
3029: FROM_LEFT_1ST_BUTTON_PRESSED, // left
3030: RIGHTMOST_BUTTON_PRESSED, // right
3031: FROM_LEFT_2ND_BUTTON_PRESSED, // middle
3032: };
3033: bool prev_status = mouse.buttons[i].status;
3034: mouse.buttons[i].status = ((ir[i].Event.MouseEvent.dwButtonState & bits[i]) != 0);
3035:
3036: if(!prev_status && mouse.buttons[i].status) {
3037: mouse.buttons[i].pressed_times++;
3038: mouse.buttons[i].pressed_position.x = mouse.position.x;
3039: mouse.buttons[i].pressed_position.y = mouse.position.x;
3040: mouse.status |= 2 << (i * 2);
3041: } else if(prev_status && !mouse.buttons[i].status) {
3042: mouse.buttons[i].released_times++;
3043: mouse.buttons[i].released_position.x = mouse.position.x;
3044: mouse.buttons[i].released_position.y = mouse.position.x;
3045: mouse.status |= 4 << (i * 2);
1.1.1.14 root 3046: }
3047: }
3048: }
1.1.1.24 root 3049: } else if(ir[i].EventType & KEY_EVENT) {
1.1.1.33 root 3050: // update keyboard flags in bios data area
1.1.1.35 root 3051: if(ir[i].Event.KeyEvent.dwControlKeyState & CAPSLOCK_ON) {
3052: mem[0x417] |= 0x40;
1.1.1.33 root 3053: } else {
1.1.1.35 root 3054: mem[0x417] &= ~0x40;
1.1.1.33 root 3055: }
1.1.1.35 root 3056: if(ir[i].Event.KeyEvent.dwControlKeyState & NUMLOCK_ON) {
3057: mem[0x417] |= 0x20;
1.1.1.33 root 3058: } else {
1.1.1.35 root 3059: mem[0x417] &= ~0x20;
3060: }
3061: if(ir[i].Event.KeyEvent.dwControlKeyState & SCROLLLOCK_ON) {
3062: mem[0x417] |= 0x10;
3063: } else {
3064: mem[0x417] &= ~0x10;
1.1.1.33 root 3065: }
3066: if(ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED)) {
3067: mem[0x417] |= 0x08;
3068: } else {
3069: mem[0x417] &= ~0x08;
3070: }
1.1.1.35 root 3071: if(ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED)) {
3072: mem[0x417] |= 0x04;
1.1.1.33 root 3073: } else {
1.1.1.35 root 3074: mem[0x417] &= ~0x04;
1.1.1.33 root 3075: }
3076: if(ir[i].Event.KeyEvent.dwControlKeyState & SHIFT_PRESSED) {
3077: if(!(mem[0x417] & 0x03)) {
3078: mem[0x417] |= 0x02; // left shift
3079: }
3080: } else {
3081: mem[0x417] &= ~0x03;
3082: }
1.1.1.35 root 3083: if(ir[i].Event.KeyEvent.dwControlKeyState & LEFT_ALT_PRESSED) {
3084: mem[0x418] |= 0x02;
3085: } else {
3086: mem[0x418] &= ~0x02;
3087: }
3088: if(ir[i].Event.KeyEvent.dwControlKeyState & LEFT_CTRL_PRESSED) {
3089: mem[0x418] |= 0x01;
3090: } else {
3091: mem[0x418] &= ~0x01;
3092: }
1.1.1.33 root 3093:
1.1.1.28 root 3094: // set scan code of last pressed/release key to kbd_data (in-port 60h)
1.1.1.24 root 3095: kbd_data = ir[i].Event.KeyEvent.wVirtualScanCode;
1.1.1.33 root 3096: kbd_status |= 1;
3097:
3098: // update dos key buffer
3099: UINT8 chr = ir[i].Event.KeyEvent.uChar.AsciiChar;
3100: UINT8 scn = ir[i].Event.KeyEvent.wVirtualScanCode & 0xff;
3101:
3102: if(ir[i].Event.KeyEvent.bKeyDown) {
1.1.1.28 root 3103: // make
1.1.1.24 root 3104: kbd_data &= 0x7f;
3105:
1.1.1.33 root 3106: if(chr == 0x00) {
1.1.1.24 root 3107: if(ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED)) {
3108: if(scn >= 0x3b && scn <= 0x44) {
3109: scn += 0x68 - 0x3b; // F1 to F10
3110: } else if(scn == 0x57 || scn == 0x58) {
3111: scn += 0x8b - 0x57; // F11 & F12
3112: } else if(scn >= 0x47 && scn <= 0x53) {
3113: scn += 0x97 - 0x47; // edit/arrow clusters
3114: } else if(scn == 0x35) {
3115: scn = 0xa4; // keypad /
3116: }
3117: } else if(ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED)) {
3118: if(scn == 0x07) {
3119: chr = 0x1e; // Ctrl+^
3120: } else if(scn == 0x0c) {
3121: chr = 0x1f; // Ctrl+_
3122: } else if(scn >= 0x35 && scn <= 0x58) {
3123: static const UINT8 ctrl_map[] = {
3124: 0x95, // keypad /
3125: 0,
3126: 0x96, // keypad *
3127: 0, 0, 0,
3128: 0x5e, // F1
3129: 0x5f, // F2
3130: 0x60, // F3
3131: 0x61, // F4
3132: 0x62, // F5
3133: 0x63, // F6
3134: 0x64, // F7
3135: 0x65, // F8
3136: 0x66, // F9
3137: 0x67, // F10
3138: 0,
3139: 0,
3140: 0x77, // Home
3141: 0x8d, // Up
3142: 0x84, // PgUp
3143: 0x8e, // keypad -
3144: 0x73, // Left
3145: 0x8f, // keypad center
3146: 0x74, // Right
3147: 0x90, // keyapd +
3148: 0x75, // End
3149: 0x91, // Down
3150: 0x76, // PgDn
3151: 0x92, // Insert
3152: 0x93, // Delete
3153: 0, 0, 0,
3154: 0x89, // F11
3155: 0x8a, // F12
3156: };
3157: scn = ctrl_map[scn - 0x35];
3158: }
3159: } else if(ir[i].Event.KeyEvent.dwControlKeyState & SHIFT_PRESSED) {
3160: if(scn >= 0x3b && scn <= 0x44) {
3161: scn += 0x54 - 0x3b; // F1 to F10
3162: } else if(scn == 0x57 || scn == 0x58) {
3163: scn += 0x87 - 0x57; // F11 & F12
3164: }
3165: } else if(scn == 0x57 || scn == 0x58) {
3166: scn += 0x85 - 0x57;
3167: }
3168: // ignore shift, ctrl, alt, win and menu keys
3169: if(scn != 0x1d && scn != 0x2a && scn != 0x36 && scn != 0x38 && (scn < 0x5b || scn > 0x5e)) {
1.1.1.32 root 3170: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 3171: #ifdef USE_SERVICE_THREAD
3172: EnterCriticalSection(&key_buf_crit_sect);
3173: #endif
1.1.1.32 root 3174: if(chr == 0) {
3175: key_buf_char->write(0x00);
3176: key_buf_scan->write(ir[i].Event.KeyEvent.dwControlKeyState & ENHANCED_KEY ? 0xe0 : 0x00);
3177: }
3178: key_buf_char->write(chr);
3179: key_buf_scan->write(scn);
1.1.1.35 root 3180: #ifdef USE_SERVICE_THREAD
3181: LeaveCriticalSection(&key_buf_crit_sect);
3182: #endif
1.1.1.24 root 3183: }
3184: }
3185: } else {
3186: if(ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED)) {
3187: chr = 0;
3188: if(scn >= 0x02 && scn <= 0x0e) {
3189: scn += 0x78 - 0x02; // 1 to 0 - =
3190: }
3191: }
1.1.1.32 root 3192: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 3193: #ifdef USE_SERVICE_THREAD
3194: EnterCriticalSection(&key_buf_crit_sect);
3195: #endif
1.1.1.32 root 3196: key_buf_char->write(chr);
3197: key_buf_scan->write(scn);
1.1.1.35 root 3198: #ifdef USE_SERVICE_THREAD
3199: LeaveCriticalSection(&key_buf_crit_sect);
3200: #endif
1.1.1.32 root 3201: }
1.1.1.24 root 3202: }
1.1.1.33 root 3203: } else if(chr == 0x03 && (ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED))) {
3204: // ctrl-break, ctrl-c
3205: if(scn == 0x46) {
3206: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 3207: #ifdef USE_SERVICE_THREAD
3208: EnterCriticalSection(&key_buf_crit_sect);
3209: #endif
1.1.1.33 root 3210: key_buf_char->write(0x00);
3211: key_buf_scan->write(0x00);
1.1.1.35 root 3212: #ifdef USE_SERVICE_THREAD
3213: LeaveCriticalSection(&key_buf_crit_sect);
3214: #endif
1.1.1.33 root 3215: }
3216: ctrl_break_pressed = true;
3217: mem[0x471] = 0x80;
3218: raise_int_1bh = true;
3219: } else {
3220: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 3221: #ifdef USE_SERVICE_THREAD
3222: EnterCriticalSection(&key_buf_crit_sect);
3223: #endif
1.1.1.33 root 3224: key_buf_char->write(chr);
3225: key_buf_scan->write(scn);
1.1.1.35 root 3226: #ifdef USE_SERVICE_THREAD
3227: LeaveCriticalSection(&key_buf_crit_sect);
3228: #endif
1.1.1.33 root 3229: }
3230: ctrl_c_pressed = (scn == 0x2e);
3231: }
3232: } else {
3233: // break
3234: kbd_data |= 0x80;
1.1 root 3235: }
1.1.1.24 root 3236: result = key_changed = true;
1.1.1.36 root 3237: // IME may be on and it may causes screen scroll up and cursor position change
3238: cursor_moved = true;
1.1 root 3239: }
3240: }
3241: }
3242: }
1.1.1.35 root 3243: #ifdef USE_SERVICE_THREAD
3244: LeaveCriticalSection(&input_crit_sect);
3245: #endif
1.1.1.24 root 3246: return(result);
1.1.1.8 root 3247: }
3248:
1.1.1.14 root 3249: bool update_key_buffer()
1.1.1.8 root 3250: {
1.1.1.35 root 3251: if(update_console_input()) {
3252: return(true);
3253: }
3254: if(key_buf_char != NULL && key_buf_scan != NULL) {
3255: #ifdef USE_SERVICE_THREAD
3256: EnterCriticalSection(&key_buf_crit_sect);
3257: #endif
3258: bool empty = key_buf_char->empty();
3259: #ifdef USE_SERVICE_THREAD
3260: LeaveCriticalSection(&key_buf_crit_sect);
3261: #endif
3262: if(!empty) return(true);
3263: }
3264: return(false);
1.1.1.8 root 3265: }
3266:
1.1.1.20 root 3267: /* ----------------------------------------------------------------------------
3268: MS-DOS virtual machine
3269: ---------------------------------------------------------------------------- */
3270:
1.1.1.32 root 3271: static const struct {
1.1.1.33 root 3272: char *name;
3273: DWORD lcid;
3274: char *std;
3275: char *dlt;
3276: } tz_table[] = {
3277: // https://science.ksc.nasa.gov/software/winvn/userguide/3_1_4.htm
3278: // 0 GMT Greenwich Mean Time GMT0
3279: {"GMT Standard Time", 0x0809, "GMT", "BST"}, // (UTC+00:00) GB London (en-gb)
3280: {"GMT Standard Time", 0x1809, "GMT", "IST"}, // (UTC+00:00) IE Dublin (en-ie)
3281: {"GMT Standard Time", 0x0000, "WET", "WES"}, // (UTC+00:00) PT Lisbon
3282: {"Greenwich Standard Time", 0x0000, "GMT", "GST"}, // (UTC+00:00) IS Reykjavik
3283: // 2 FST FDT Fernando De Noronha Std FST2FDT
3284: {"Mid-Atlantic Standard Time", 0x0416, "FST", "FDT"}, // (UTC-02:00) BR Noronha (pt-br)
3285: {"UTC-02", 0x0416, "FST", "FDT"}, // (UTC-02:00) BR Noronha (pt-br)
3286: // 3 BST Brazil Standard Time BST3
3287: {"Bahia Standard Time", 0x0000, "BST", "BDT"}, // (UTC-03:00) BR Bahia
3288: {"SA Eastern Standard Time", 0x0000, "BST", "BDT"}, // (UTC-03:00) BR Fortaleza
3289: {"Tocantins Standard Time", 0x0000, "BST", "BDT"}, // (UTC-03:00) BR Palmas
3290: // 3 EST EDT Eastern Standard (Brazil) EST3EDT
3291: {"E. South America Standard Time", 0x0000, "EST", "EDT"}, // (UTC-03:00) BR Sao Paulo
3292: // 3 GST Greenland Standard Time GST3
3293: {"Greenland Standard Time", 0x0000, "GST", "GDT"}, // (UTC-03:00) GL Godthab
3294: // 3:30 NST NDT Newfoundland Standard Time NST3:30NDT
3295: {"Newfoundland Standard Time", 0x0000, "NST", "NDT"}, // (UTC-03:30) CA St.Johns
3296: // 4 AST ADT Atlantic Standard Time AST4ADT
3297: {"Atlantic Standard Time", 0x0000, "AST", "ADT"}, // (UTC-04:00) CA Halifax
3298: // 4 WST WDT Western Standard (Brazil) WST4WDT
3299: {"Central Brazilian Standard Time", 0x0000, "WST", "WDT"}, // (UTC-04:00) BR Cuiaba
3300: {"SA Western Standard Time", 0x0000, "WST", "WDT"}, // (UTC-04:00) BR Manaus
3301: // 5 EST EDT Eastern Standard Time EST5EDT
3302: {"Eastern Standard Time", 0x0000, "EST", "EDT"}, // (UTC-05:00) US New York
3303: {"Eastern Standard Time (Mexico)", 0x0000, "EST", "EDT"}, // (UTC-05:00) MX Cancun
3304: {"US Eastern Standard Time", 0x0000, "EST", "EDT"}, // (UTC-05:00) US Indianapolis
3305: // 5 CST CDT Chile Standard Time CST5CDT
3306: {"Pacific SA Standard Time", 0x0000, "CST", "CDT"}, // (UTC-04:00) CL Santiago
3307: // 5 AST ADT Acre Standard Time AST5ADT
3308: {"SA Pacific Standard Time", 0x0000, "AST", "ADT"}, // (UTC-05:00) BR Rio Branco
3309: // 5 CST CDT Cuba Standard Time CST5CDT
3310: {"Cuba Standard Time", 0x0000, "CST", "CDT"}, // (UTC-05:00) CU Havana
3311: // 6 CST CDT Central Standard Time CST6CDT
3312: {"Canada Central Standard Time", 0x0000, "CST", "CDT"}, // (UTC-06:00) CA Regina
3313: {"Central Standard Time", 0x0000, "CST", "CDT"}, // (UTC-06:00) US Chicago
3314: {"Central Standard Time (Mexico)", 0x0000, "CST", "CDT"}, // (UTC-06:00) MX Mexico City
3315: // 6 EST EDT Easter Island Standard EST6EDT
3316: {"Easter Island Standard Time", 0x0000, "EST", "EDT"}, // (UTC-06:00) CL Easter
3317: // 7 MST MDT Mountain Standard Time MST7MDT
3318: {"Mountain Standard Time", 0x0000, "MST", "MDT"}, // (UTC-07:00) US Denver
3319: {"Mountain Standard Time (Mexico)", 0x0000, "MST", "MDT"}, // (UTC-07:00) MX Chihuahua
3320: {"US Mountain Standard Time", 0x0000, "MST", "MDT"}, // (UTC-07:00) US Phoenix
3321: // 8 PST PDT Pacific Standard Time PST8PDT
3322: {"Pacific Standard Time", 0x0000, "PST", "PDT"}, // (UTC-08:00) US Los Angeles
3323: {"Pacific Standard Time (Mexico)", 0x0000, "PST", "PDT"}, // (UTC-08:00) MX Tijuana
3324: // 9 AKS AKD Alaska Standard Time AKS9AKD
3325: // 9 YST YDT Yukon Standard Time YST9YST
3326: {"Alaskan Standard Time", 0x0000, "AKS", "AKD"}, // (UTC-09:00) US Anchorage
3327: // 10 HST HDT Hawaii Standard Time HST10HDT
3328: {"Aleutian Standard Time", 0x0000, "HST", "HDT"}, // (UTC-10:00) US Aleutian
3329: {"Hawaiian Standard Time", 0x0000, "HST", "HDT"}, // (UTC-10:00) US Honolulu
3330: // 11 SST Samoa Standard Time SST11
3331: {"Samoa Standard Time", 0x0000, "SST", "SDT"}, // (UTC-11:00) US Samoa
3332: // -12 NZS NZD New Zealand Standard Time NZS-12NZD
3333: {"New Zealand Standard Time", 0x0000, "NZS", "NZD"}, // (UTC+12:00) NZ Auckland
3334: // -10 GST Guam Standard Time GST-10
3335: {"West Pacific Standard Time", 0x0000, "GST", "GDT"}, // (UTC+10:00) GU Guam
3336: // -10 EAS EAD Eastern Australian Standard EAS-10EAD
3337: {"AUS Eastern Standard Time", 0x0000, "EAS", "EAD"}, // (UTC+10:00) AU Sydney
3338: {"E. Australia Standard Time", 0x0000, "EAS", "EAD"}, // (UTC+10:00) AU Brisbane
3339: {"Tasmania Standard Time", 0x0000, "EAS", "EAD"}, // (UTC+10:00) AU Hobart
3340: // -9:30 CAS CAD Central Australian Standard CAS-9:30CAD
3341: {"AUS Central Standard Time", 0x0000, "CAS", "CAD"}, // (UTC+09:30) AU Darwin
3342: {"Cen. Australia Standard Time", 0x0000, "CAS", "CAD"}, // (UTC+09:30) AU Adelaide
3343: // -9 JST Japan Standard Time JST-9
3344: {"Tokyo Standard Time", 0x0000, "JST", "JDT"}, // (UTC+09:00) JP Tokyo
3345: // -9 KST KDT Korean Standard Time KST-9KDT
3346: {"Korea Standard Time", 0x0000, "KST", "KDT"}, // (UTC+09:00) KR Seoul
3347: {"North Korea Standard Time", 0x0000, "KST", "KDT"}, // (UTC+08:30) KP Pyongyang
3348: // -8 HKT Hong Kong Time HKT-8
3349: {"China Standard Time", 0x0C04, "HKT", "HKS"}, // (UTC+08:00) HK Hong Kong (zh-hk)
3350: // -8 CCT China Coast Time CCT-8
3351: {"China Standard Time", 0x0000, "CCT", "CDT"}, // (UTC+08:00) CN Shanghai
3352: {"Taipei Standard Time", 0x0000, "CCT", "CDT"}, // (UTC+08:00) TW Taipei
3353: // -8 SST Singapore Standard Time SST-8
3354: {"Singapore Standard Time", 0x0000, "SST", "SDT"}, // (UTC+08:00) SG Singapore
3355: // -8 WAS WAD Western Australian Standard WAS-8WAD
3356: {"Aus Central W. Standard Time", 0x0000, "WAS", "WAD"}, // (UTC+08:45) AU Eucla
3357: {"W. Australia Standard Time", 0x0000, "WAS", "WAD"}, // (UTC+08:00) AU Perth
3358: // -7:30 JT Java Standard Time JST-7:30
3359: // -7 NST North Sumatra Time NST-7
3360: {"SE Asia Standard Time", 0x0000, "NST", "NDT"}, // (UTC+07:00) ID Jakarta
3361: // -5:30 IST Indian Standard Time IST-5:30
3362: {"India Standard Time", 0x0000, "IST", "IDT"}, // (UTC+05:30) IN Calcutta
3363: // -3:30 IST IDT Iran Standard Time IST-3:30IDT
3364: {"Iran Standard Time", 0x0000, "IST", "IDT"}, // (UTC+03:30) IR Tehran
3365: // -3 MSK MSD Moscow Winter Time MSK-3MSD
3366: {"Belarus Standard Time", 0x0000, "MSK", "MSD"}, // (UTC+03:00) BY Minsk
3367: {"Russian Standard Time", 0x0000, "MSK", "MSD"}, // (UTC+03:00) RU Moscow
3368: // -2 EET Eastern Europe Time EET-2
3369: {"E. Europe Standard Time", 0x0000, "EET", "EES"}, // (UTC+02:00) MD Chisinau
3370: {"FLE Standard Time", 0x0000, "EET", "EES"}, // (UTC+02:00) UA Kiev
3371: {"GTB Standard Time", 0x0000, "EET", "EES"}, // (UTC+02:00) RO Bucharest
3372: {"Kaliningrad Standard Time", 0x0000, "EET", "EES"}, // (UTC+02:00) RU Kaliningrad
3373: // -2 IST IDT Israel Standard Time IST-2IDT
3374: {"Israel Standard Time", 0x0000, "IST", "IDT"}, // (UTC+02:00) IL Jerusalem
3375: // -1 MEZ MES Middle European Time MEZ-1MES
3376: // -1 SWT SST Swedish Winter Time SWT-1SST
3377: // -1 FWT FST French Winter Time FWT-1FST
3378: // -1 CET CES Central European Time CET-1CES
3379: {"Central Europe Standard Time", 0x0000, "CET", "CES"}, // (UTC+01:00) HU Budapest
3380: {"Central European Standard Time", 0x0000, "CET", "CES"}, // (UTC+01:00) PL Warsaw
3381: {"Romance Standard Time", 0x0000, "CET", "CES"}, // (UTC+01:00) FR Paris
3382: {"W. Europe Standard Time", 0x0000, "CET", "CES"}, // (UTC+01:00) DE Berlin
3383: // -1 WAT West African Time WAT-1
3384: {"Namibia Standard Time", 0x0000, "WAT", "WAS"}, // (UTC+01:00) NA Windhoek
3385: {"W. Central Africa Standard Time", 0x0000, "WAT", "WAS"}, // (UTC+01:00) NG Lagos
3386: // 0 UTC Universal Coordinated Time UTC0
3387: {"UTC", 0x0000, "UTC", "" }, // (UTC+00:00) GMT+0
3388: {"UTC-02", 0x0000, "UTC", "" }, // (UTC-02:00) GMT+2
3389: {"UTC-08", 0x0000, "UTC", "" }, // (UTC-08:00) GMT+8
3390: {"UTC-09", 0x0000, "UTC", "" }, // (UTC-09:00) GMT+9
3391: {"UTC-11", 0x0000, "UTC", "" }, // (UTC-11:00) GMT+11
3392: {"UTC+12", 0x0000, "UTC", "" }, // (UTC+12:00) GMT-12
3393: };
3394:
3395: static const struct {
1.1.1.32 root 3396: UINT16 code;
3397: char *message_english;
3398: char *message_japanese;
3399: } standard_error_table[] = {
3400: {0x01, "Invalid function", "�����ȃt�@���N�V�����ł�."},
3401: {0x02, "File not found", "�t�@�C����������܂���."},
3402: {0x03, "Path not found", "�p�X��������܂���."},
3403: {0x04, "Too many open files", "�J����Ă���t�@�C�����������܂�."},
3404: {0x05, "Access denied", "�A�N�Z�X�͋��ۂ���܂���."},
3405: {0x06, "Invalid handle", "�����ȃn���h���ł�."},
3406: {0x07, "Memory control blocks destroyed", "����������u���b�N���j������܂���."},
3407: {0x08, "Insufficient memory", "������������܂���."},
3408: {0x09, "Invalid memory block address", "�����ȃ������u���b�N�̃A�h���X�ł�."},
3409: {0x0A, "Invalid Environment", "�����Ȋ��ł�."},
3410: {0x0B, "Invalid format", "�����ȃt�H�[�}�b�g�ł�."},
3411: {0x0C, "Invalid function parameter", "�����ȃt�@���N�V�����p�����[�^�ł�."},
3412: {0x0D, "Invalid data", "�����ȃf�[�^�ł�."},
3413: {0x0F, "Invalid drive specification", "�����ȃh���C�u�̎w��ł�."},
3414: {0x10, "Attempt to remove current directory", "���݂̃f�B���N�g�����폜���悤�Ƃ��܂���."},
3415: {0x11, "Not same device", "�����f�o�C�X�ł͂���܂���."},
3416: {0x12, "No more files", "�t�@�C���͂���ȏ゠��܂���."},
3417: {0x13, "Write protect error", "�������ݕی�G���[�ł�."},
3418: {0x14, "Invalid unit", "�����ȃ��j�b�g�ł�."},
3419: {0x15, "Not ready", "�������ł��Ă��܂���."},
3420: {0x16, "Invalid device request", "�����ȃf�o�C�X�v���ł�."},
3421: {0x17, "Data error", "�f�[�^�G���[�ł�."},
3422: {0x18, "Invalid device request parameters", "�����ȃf�o�C�X�v���̃p�����[�^�ł�."},
3423: {0x19, "Seek error", "�V�[�N�G���[�ł�."},
3424: {0x1A, "Invalid media type", "�����ȃ��f�B�A�̎�ނł�."},
3425: {0x1B, "Sector not found", "�Z�N�^��������܂���."},
3426: {0x1C, "Printer out of paper error", "�v�����^�̗p��������܂���."},
3427: {0x1D, "Write fault error", "�������݃G���[�ł�."},
3428: {0x1E, "Read fault error", "�ǂݎ��G���[�ł�."},
3429: {0x1F, "General failure", "�G���[�ł�."},
3430: {0x20, "Sharing violation", "���L�ᔽ�ł�."},
3431: {0x21, "Lock violation", "���b�N�ᔽ�ł�."},
3432: {0x22, "Invalid disk change", "�����ȃf�B�X�N�̌����ł�."},
3433: {0x23, "FCB unavailable", "FCB �͎g���܂���."},
3434: {0x24, "System resource exhausted", "�V�X�e�����\�[�X�͂����g���܂���."},
3435: {0x25, "Code page mismatch", "�R�[�h �y�[�W����v���܂���."},
3436: {0x26, "Out of input", "���͂��I���܂���."},
3437: {0x27, "Insufficient disk space", "�f�B�X�N�̋̈悪����܂���."},
3438: /*
3439: {0x32, "Network request not supported", NULL},
3440: {0x33, "Remote computer not listening", NULL},
3441: {0x34, "Duplicate name on network", NULL},
3442: {0x35, "Network name not found", NULL},
3443: {0x36, "Network busy", NULL},
3444: {0x37, "Network device no longer exists", NULL},
3445: {0x38, "Network BIOS command limit exceeded", NULL},
3446: {0x39, "Network adapter hardware error", NULL},
3447: {0x3A, "Incorrect response from network", NULL},
3448: {0x3B, "Unexpected network error", NULL},
3449: {0x3C, "Incompatible remote adapter", NULL},
3450: {0x3D, "Print queue full", NULL},
3451: {0x3E, "Queue not full", NULL},
3452: {0x3F, "Not enough space to print file", NULL},
3453: {0x40, "Network name was deleted", NULL},
3454: {0x41, "Network: Access denied", NULL},
3455: {0x42, "Network device type incorrect", NULL},
3456: {0x43, "Network name not found", NULL},
3457: {0x44, "Network name limit exceeded", NULL},
3458: {0x45, "Network BIOS session limit exceeded", NULL},
3459: {0x46, "Temporarily paused", NULL},
3460: {0x47, "Network request not accepted", NULL},
3461: {0x48, "Network print/disk redirection paused", NULL},
3462: {0x49, "Network software not installed", NULL},
3463: {0x4A, "Unexpected adapter close", NULL},
3464: */
3465: {0x50, "File exists", "�t�@�C���͑��݂��܂�."},
1.1.1.33 root 3466: {0x52, "Cannot make directory entry", "�f�B���N�g���G���g�����쐬�ł��܂���."},
1.1.1.32 root 3467: {0x53, "Fail on INT 24", "INT 24 �Ŏ��s���܂���."},
3468: {0x54, "Too many redirections", "���_�C���N�g���������܂�."},
3469: {0x55, "Duplicate redirection", "���_�C���N�g���d�����Ă��܂�."},
3470: {0x56, "Invalid password", "�p�X���[�h���Ⴂ�܂�."},
3471: {0x57, "Invalid parameter", "�p�����[�^�̎w�肪�Ⴂ�܂�."},
3472: {0x58, "Network data fault", "�l�b�g���[�N�f�[�^�̃G���[�ł�."},
3473: {0x59, "Function not supported by network", "�t�@���N�V�����̓l�b�g���[�N�ŃT�|�[�g����Ă��܂���."},
3474: {0x5A, "Required system component not installe", "�K�v�ȃV�X�e�� �R���|�[�l���g���g�ݍ��܂�Ă��܂���."},
3475: /*
3476: {0x64, "Unknown error", "�s���ȃG���[�ł�."},
3477: {0x65, "Not ready", "�������ł��Ă��܂���."},
3478: {0x66, "EMS memory no longer valid", "EMS �������͂����L���ł͂���܂���."},
3479: {0x67, "CDROM not High Sierra or ISO-9660 format", "CDROM �� High Sierra �܂��� ISO-9660 �t�H�[�}�b�g�ł͂���܂���."},
3480: {0x68, "Door open", "���o�[���܂��Ă��܂���."
3481: */
3482: {0xB0, "Volume is not locked", "�{�����[�������b�N����Ă��܂���."},
3483: {0xB1, "Volume is locked in drive", "�{�����[�������b�N����Ă��܂�."},
3484: {0xB2, "Volume is not removable", "�{�����[���͎��O���ł��܂���."},
3485: {0xB4, "Lock count has been exceeded", "�{�����[��������ȏネ�b�N�ł��܂���."},
3486: {0xB5, "A valid eject request failed", "���o���Ɏ��s���܂���."},
3487: {-1 , "Unknown error", "�s���ȃG���[�ł�."},
3488: };
3489:
3490: static const struct {
3491: UINT16 code;
3492: char *message_english;
3493: char *message_japanese;
3494: } param_error_table[] = {
3495: {0x01, "Too many parameters", "�p�����[�^���������܂�."},
3496: {0x02, "Required parameter missing", "�p�����[�^������܂���."},
3497: {0x03, "Invalid switch", "�����ȃX�C�b�`�ł�."},
3498: {0x04, "Invalid keyword", "�����ȃL�[���[�h�ł�."},
3499: {0x06, "Parameter value not in allowed range", "�p�����[�^�̒l���͈͂��Ă��܂�."},
3500: {0x07, "Parameter value not allowed", "���̃p�����[�^�̒l�͎g���܂���."},
3501: {0x08, "Parameter value not allowed", "���̃p�����[�^�̒l�͎g���܂���."},
3502: {0x09, "Parameter format not correct", "�p�����[�^�̏������Ⴂ�܂�."},
3503: {0x0A, "Invalid parameter", "�����ȃp�����[�^�ł�."},
3504: {0x0B, "Invalid parameter combination", "�����ȃp�����[�^�̑g�ݍ��킹�ł�."},
3505: {-1 , "Unknown error", "�s���ȃG���[�ł�."},
3506: };
3507:
3508: static const struct {
3509: UINT16 code;
3510: char *message_english;
3511: char *message_japanese;
3512: } critical_error_table[] = {
3513: {0x00, "Write protect error", "�������ݕی�G���[�ł�."},
3514: {0x01, "Invalid unit", "�����ȃ��j�b�g�ł�."},
3515: {0x02, "Not ready", "�������ł��Ă��܂���."},
3516: {0x03, "Invalid device request", "�����ȃf�o�C�X�v���ł�."},
3517: {0x04, "Data error", "�f�[�^�G���[�ł�."},
3518: {0x05, "Invalid device request parameters", "�����ȃf�o�C�X�v���̃p�����[�^�ł�."},
3519: {0x06, "Seek error", "�V�[�N�G���[�ł�."},
3520: {0x07, "Invalid media type", "�����ȃ��f�B�A�̎�ނł�."},
3521: {0x08, "Sector not found", "�Z�N�^��������܂���."},
3522: {0x09, "Printer out of paper error", "�v�����^�̗p��������܂���."},
3523: {0x0A, "Write fault error", "�������݃G���[�ł�."},
3524: {0x0B, "Read fault error", "�ǂݎ��G���[�ł�."},
3525: {0x0C, "General failure", "�G���[�ł�."},
3526: {0x0D, "Sharing violation", "���L�ᔽ�ł�."},
3527: {0x0E, "Lock violation", "���b�N�ᔽ�ł�."},
3528: {0x0F, "Invalid disk change", "�����ȃf�B�X�N�̌����ł�."},
3529: {0x10, "FCB unavailable", "FCB �͎g���܂���."},
3530: {0x11, "System resource exhausted", "�V�X�e�����\�[�X�͂����g���܂���."},
3531: {0x12, "Code page mismatch", "�R�[�h �y�[�W����v���܂���."},
3532: {0x13, "Out of input", "���͂��I���܂���."},
3533: {0x14, "Insufficient disk space", "�f�B�X�N�̋̈悪����܂���."},
3534: {-1 , "Critical error", "�v���I�ȃG���[�ł�."},
3535: };
3536:
1.1.1.20 root 3537: void msdos_psp_set_file_table(int fd, UINT8 value, int psp_seg);
3538: int msdos_psp_get_file_table(int fd, int psp_seg);
3539: void msdos_putch(UINT8 data);
1.1.1.35 root 3540: #ifdef USE_SERVICE_THREAD
3541: void msdos_putch_tmp(UINT8 data);
3542: #endif
1.1.1.20 root 3543:
1.1 root 3544: // process info
3545:
3546: process_t *msdos_process_info_create(UINT16 psp_seg)
3547: {
3548: for(int i = 0; i < MAX_PROCESS; i++) {
3549: if(process[i].psp == 0 || process[i].psp == psp_seg) {
3550: memset(&process[i], 0, sizeof(process_t));
3551: process[i].psp = psp_seg;
3552: return(&process[i]);
3553: }
3554: }
3555: fatalerror("too many processes\n");
3556: return(NULL);
3557: }
3558:
1.1.1.33 root 3559: process_t *msdos_process_info_get(UINT16 psp_seg, bool show_error)
1.1 root 3560: {
3561: for(int i = 0; i < MAX_PROCESS; i++) {
3562: if(process[i].psp == psp_seg) {
3563: return(&process[i]);
3564: }
3565: }
1.1.1.33 root 3566: if(show_error) {
3567: fatalerror("invalid psp address\n");
3568: }
1.1 root 3569: return(NULL);
3570: }
3571:
1.1.1.33 root 3572: process_t *msdos_process_info_get(UINT16 psp_seg)
3573: {
3574: return(msdos_process_info_get(psp_seg, true));
3575: }
3576:
1.1.1.23 root 3577: void msdos_sda_update(int psp_seg)
3578: {
3579: sda_t *sda = (sda_t *)(mem + SDA_TOP);
3580:
3581: for(int i = 0; i < MAX_PROCESS; i++) {
3582: if(process[i].psp == psp_seg) {
3583: sda->switchar = process[i].switchar;
3584: sda->current_dta.w.l = process[i].dta.w.l;
3585: sda->current_dta.w.h = process[i].dta.w.h;
3586: sda->current_psp = process[i].psp;
3587: break;
3588: }
3589: }
3590: sda->malloc_strategy = malloc_strategy;
3591: sda->return_code = retval;
3592: sda->current_drive = _getdrive();
3593: }
3594:
1.1.1.13 root 3595: // dta info
3596:
3597: void msdos_dta_info_init()
3598: {
1.1.1.14 root 3599: for(int i = 0; i < MAX_DTAINFO; i++) {
1.1.1.13 root 3600: dtalist[i].find_handle = INVALID_HANDLE_VALUE;
3601: }
3602: }
3603:
3604: dtainfo_t *msdos_dta_info_get(UINT16 psp_seg, UINT32 dta_laddr)
3605: {
3606: dtainfo_t *free_dta = NULL;
1.1.1.14 root 3607: for(int i = 0; i < MAX_DTAINFO; i++) {
3608: if(dtalist[i].find_handle == INVALID_HANDLE_VALUE) {
3609: if(free_dta == NULL) {
1.1.1.13 root 3610: free_dta = &dtalist[i];
3611: }
1.1.1.14 root 3612: } else if(dta_laddr < LFN_DTA_LADDR && dtalist[i].dta == dta_laddr) {
1.1.1.13 root 3613: return(&dtalist[i]);
3614: }
3615: }
1.1.1.14 root 3616: if(free_dta) {
1.1.1.13 root 3617: free_dta->psp = psp_seg;
3618: free_dta->dta = dta_laddr;
3619: return(free_dta);
3620: }
3621: fatalerror("too many dta\n");
3622: return(NULL);
3623: }
3624:
3625: void msdos_dta_info_free(UINT16 psp_seg)
3626: {
1.1.1.14 root 3627: for(int i = 0; i < MAX_DTAINFO; i++) {
3628: if(dtalist[i].psp == psp_seg && dtalist[i].find_handle != INVALID_HANDLE_VALUE) {
1.1.1.13 root 3629: FindClose(dtalist[i].find_handle);
3630: dtalist[i].find_handle = INVALID_HANDLE_VALUE;
3631: }
3632: }
3633: }
3634:
1.1 root 3635: void msdos_cds_update(int drv)
3636: {
3637: cds_t *cds = (cds_t *)(mem + CDS_TOP);
3638:
3639: memset(mem + CDS_TOP, 0, CDS_SIZE);
3640: sprintf(cds->path_name, "%c:\\", 'A' + drv);
3641: cds->drive_attrib = 0x4000; // physical drive
3642: cds->physical_drive_number = drv;
3643: }
3644:
1.1.1.17 root 3645: // nls information tables
3646:
3647: // uppercase table (func 6502h)
3648: void msdos_upper_table_update()
3649: {
3650: *(UINT16 *)(mem + UPPERTABLE_TOP) = 0x80;
1.1.1.22 root 3651: for(unsigned i = 0; i < 0x80; ++i) {
1.1.1.17 root 3652: UINT8 c[4];
1.1.1.33 root 3653: *(UINT32 *)c = 0; // reset internal conversion state
3654: CharUpperBuffA((LPSTR)c, 4); // (workaround for MBCS codepage)
1.1.1.17 root 3655: c[0] = 0x80 + i;
3656: DWORD rc = CharUpperBuffA((LPSTR)c, 1);
3657: mem[UPPERTABLE_TOP + 2 + i] = (rc == 1 && c[0]) ? c[0] : 0x80 + i;
3658: }
3659: }
3660:
1.1.1.23 root 3661: // lowercase table (func 6503h)
3662: void msdos_lower_table_update()
3663: {
3664: *(UINT16 *)(mem + LOWERTABLE_TOP) = 0x80;
3665: for(unsigned i = 0; i < 0x80; ++i) {
3666: UINT8 c[4];
1.1.1.33 root 3667: *(UINT32 *)c = 0; // reset internal conversion state
3668: CharLowerBuffA((LPSTR)c, 4); // (workaround for MBCS codepage)
1.1.1.23 root 3669: c[0] = 0x80 + i;
3670: DWORD rc = CharLowerBuffA((LPSTR)c, 1);
3671: mem[LOWERTABLE_TOP + 2 + i] = (rc == 1 && c[0]) ? c[0] : 0x80 + i;
3672: }
3673: }
3674:
1.1.1.17 root 3675: // filename uppercase table (func 6504h)
3676: void msdos_filename_upper_table_init()
3677: {
3678: // depended on (file)system, not on active codepage
3679: // temporary solution: just filling data
3680: *(UINT16 *)(mem + FILENAME_UPPERTABLE_TOP) = 0x80;
1.1.1.22 root 3681: for(unsigned i = 0; i < 0x80; ++i) {
1.1.1.17 root 3682: mem[FILENAME_UPPERTABLE_TOP + 2 + i] = 0x80 + i;
3683: }
3684: }
3685:
3686: // filaname terminator table (func 6505h)
3687: void msdos_filename_terminator_table_init()
3688: {
3689: const char illegal_chars[] = ".\"/\\[]:|<>+=;,"; // for standard MS-DOS fs.
3690: UINT8 *data = mem + FILENAME_TERMINATOR_TOP;
3691:
3692: data[2] = 1; // marker? (permissible character value)
3693: data[3] = 0x00; // 00h...FFh
3694: data[4] = 0xff;
3695: data[5] = 0; // marker? (excluded character)
3696: data[6] = 0x00; // 00h...20h
3697: data[7] = 0x20;
3698: data[8] = 2; // marker? (illegal characters for filename)
3699: data[9] = (UINT8)strlen(illegal_chars);
3700: memcpy(data + 10, illegal_chars, data[9]);
3701:
3702: // total length
3703: *(UINT16 *)data = (10 - 2) + data[9];
3704: }
3705:
3706: // collating table (func 6506h)
3707: void msdos_collating_table_update()
3708: {
3709: // temporary solution: just filling data
3710: *(UINT16 *)(mem + COLLATING_TABLE_TOP) = 0x100;
1.1.1.22 root 3711: for(unsigned i = 0; i < 256; ++i) {
1.1.1.17 root 3712: mem[COLLATING_TABLE_TOP + 2 + i] = i;
3713: }
3714: }
3715:
1.1 root 3716: // dbcs
3717:
3718: void msdos_dbcs_table_update()
3719: {
3720: UINT8 dbcs_data[DBCS_SIZE];
3721: memset(dbcs_data, 0, sizeof(dbcs_data));
3722:
3723: CPINFO info;
3724: GetCPInfo(active_code_page, &info);
3725:
3726: if(info.MaxCharSize != 1) {
3727: for(int i = 0;; i += 2) {
3728: UINT8 lo = info.LeadByte[i + 0];
3729: UINT8 hi = info.LeadByte[i + 1];
3730: dbcs_data[2 + i + 0] = lo;
3731: dbcs_data[2 + i + 1] = hi;
3732: if(lo == 0 && hi == 0) {
3733: dbcs_data[0] = i + 2;
3734: break;
3735: }
3736: }
3737: } else {
3738: dbcs_data[0] = 2; // ???
3739: }
3740: memcpy(mem + DBCS_TOP, dbcs_data, sizeof(dbcs_data));
3741: }
3742:
1.1.1.17 root 3743: void msdos_dbcs_table_finish()
3744: {
1.1.1.32 root 3745: if(system_code_page != _getmbcp()) {
1.1.1.17 root 3746: _setmbcp(system_code_page);
3747: }
1.1.1.32 root 3748: if(console_code_page != GetConsoleCP()) {
3749: SetConsoleCP(console_code_page);
3750: SetConsoleOutputCP(console_code_page);
3751: }
1.1.1.17 root 3752: }
3753:
3754: void msdos_nls_tables_init()
1.1 root 3755: {
1.1.1.32 root 3756: active_code_page = console_code_page = GetConsoleCP();
3757: system_code_page = _getmbcp();
3758:
3759: if(active_code_page != system_code_page) {
3760: if(_setmbcp(active_code_page) != 0) {
3761: active_code_page = system_code_page;
3762: }
3763: }
3764:
1.1.1.17 root 3765: msdos_upper_table_update();
1.1.1.23 root 3766: msdos_lower_table_update();
1.1.1.17 root 3767: msdos_filename_terminator_table_init();
3768: msdos_filename_upper_table_init();
3769: msdos_collating_table_update();
1.1 root 3770: msdos_dbcs_table_update();
3771: }
3772:
1.1.1.17 root 3773: void msdos_nls_tables_update()
1.1 root 3774: {
1.1.1.17 root 3775: msdos_dbcs_table_update();
3776: msdos_upper_table_update();
1.1.1.23 root 3777: msdos_lower_table_update();
3778: // msdos_collating_table_update();
1.1 root 3779: }
3780:
3781: int msdos_lead_byte_check(UINT8 code)
3782: {
3783: UINT8 *dbcs_table = mem + DBCS_TABLE;
3784:
3785: for(int i = 0;; i += 2) {
3786: UINT8 lo = dbcs_table[i + 0];
3787: UINT8 hi = dbcs_table[i + 1];
3788: if(lo == 0 && hi == 0) {
3789: break;
3790: }
3791: if(lo <= code && code <= hi) {
3792: return(1);
3793: }
3794: }
3795: return(0);
3796: }
3797:
1.1.1.20 root 3798: int msdos_ctrl_code_check(UINT8 code)
3799: {
1.1.1.22 root 3800: return (code >= 0x01 && code <= 0x1a && code != 0x07 && code != 0x08 && code != 0x09 && code != 0x0a && code != 0x0d);
1.1.1.20 root 3801: }
3802:
1.1.1.36 root 3803: int msdos_kanji_2nd_byte_check(UINT8 *buf, int n)
3804: {
3805: int is_kanji_1st = 0;
3806: int is_kanji_2nd = 0;
3807:
3808: for(int p = 0;; p++) {
3809: if(is_kanji_1st) {
3810: is_kanji_1st = 0;
3811: is_kanji_2nd = 1;
3812: } else if(msdos_lead_byte_check(buf[p])) {
3813: is_kanji_1st = 1;
3814: }
3815: if(p == n) {
3816: return(is_kanji_2nd);
3817: }
3818: is_kanji_2nd = 0;
3819: }
3820: }
3821:
1.1 root 3822: // file control
3823:
1.1.1.14 root 3824: char *msdos_remove_double_quote(char *path)
3825: {
3826: static char tmp[MAX_PATH];
3827:
3828: memset(tmp, 0, sizeof(tmp));
3829: if(strlen(path) >= 2 && path[0] == '"' && path[strlen(path) - 1] == '"') {
3830: memcpy(tmp, path + 1, strlen(path) - 2);
3831: } else {
3832: strcpy(tmp, path);
3833: }
3834: return(tmp);
3835: }
3836:
1.1.1.32 root 3837: char *msdos_remove_end_separator(char *path)
3838: {
3839: static char tmp[MAX_PATH];
3840:
3841: strcpy(tmp, path);
3842: int len = strlen(tmp);
3843: if(len > 3 && tmp[len - 1] == '\\') {
3844: tmp[len - 1] = '\0';
3845: }
3846: return(tmp);
3847: }
3848:
1.1.1.14 root 3849: char *msdos_combine_path(char *dir, const char *file)
3850: {
3851: static char tmp[MAX_PATH];
3852: char *tmp_dir = msdos_remove_double_quote(dir);
3853:
3854: if(strlen(tmp_dir) == 0) {
3855: strcpy(tmp, file);
3856: } else if(tmp_dir[strlen(tmp_dir) - 1] == '\\') {
3857: sprintf(tmp, "%s%s", tmp_dir, file);
3858: } else {
3859: sprintf(tmp, "%s\\%s", tmp_dir, file);
3860: }
3861: return(tmp);
3862: }
3863:
1.1 root 3864: char *msdos_trimmed_path(char *path, int lfn)
3865: {
3866: static char tmp[MAX_PATH];
3867:
3868: if(lfn) {
3869: strcpy(tmp, path);
3870: } else {
3871: // remove space in the path
3872: char *src = path, *dst = tmp;
3873:
3874: while(*src != '\0') {
3875: if(msdos_lead_byte_check(*src)) {
3876: *dst++ = *src++;
3877: *dst++ = *src++;
3878: } else if(*src != ' ') {
3879: *dst++ = *src++;
3880: } else {
3881: src++; // skip space
3882: }
3883: }
3884: *dst = '\0';
3885: }
1.1.1.14 root 3886: if(_stricmp(tmp, "C:\\COMMAND.COM") == 0) {
3887: // redirect C:\COMMAND.COM to comspec_path
3888: strcpy(tmp, comspec_path);
3889: } else if(is_vista_or_later && _access(tmp, 0) != 0) {
3890: // redirect new files (without wildcards) in C:\ to %TEMP%, since C:\ is not usually writable
3891: static int root_drive_protected = -1;
3892: char temp[MAX_PATH], name[MAX_PATH], *name_temp = NULL;
3893: dos_info_t *dos_info = (dos_info_t *)(mem + DOS_INFO_TOP);
3894:
3895: if(GetFullPathName(tmp, MAX_PATH, temp, &name_temp) != 0 &&
3896: name_temp != NULL && strstr(name_temp, "?") == NULL && strstr(name_temp, "*") == NULL) {
3897: strcpy(name, name_temp);
3898: name_temp[0] = '\0';
3899:
3900: if((temp[0] == 'A' + dos_info->boot_drive - 1 || temp[0] == 'a' + dos_info->boot_drive - 1) &&
3901: (temp[1] == ':') && (temp[2] == '\\' || temp[2] == '/') && (temp[3] == '\0')) {
3902: if(root_drive_protected == -1) {
3903: FILE *fp = NULL;
3904:
3905: sprintf(temp, "%c:\\MS-DOS_Player.$$$", 'A' + dos_info->boot_drive - 1);
3906: root_drive_protected = 1;
3907: try {
3908: if((fp = fopen(temp, "w")) != NULL) {
3909: if(fprintf(fp, "TEST") == 4) {
3910: root_drive_protected = 0;
3911: }
3912: }
3913: } catch(...) {
3914: }
3915: if(fp != NULL) {
3916: fclose(fp);
3917: }
3918: if(_access(temp, 0) == 0) {
3919: remove(temp);
3920: }
3921: }
3922: if(root_drive_protected == 1) {
3923: if(GetEnvironmentVariable("TEMP", temp, MAX_PATH) != 0 ||
3924: GetEnvironmentVariable("TMP", temp, MAX_PATH) != 0) {
3925: strcpy(tmp, msdos_combine_path(temp, name));
3926: }
3927: }
3928: }
3929: }
3930: }
1.1 root 3931: return(tmp);
3932: }
3933:
1.1.1.28 root 3934: char *msdos_get_multiple_short_path(char *src)
3935: {
1.1.1.32 root 3936: // "LONGPATH\";"LONGPATH\";"LONGPATH\" to SHORTPATH;SHORTPATH;SHORTPATH
1.1.1.28 root 3937: static char env_path[ENV_SIZE];
3938: char tmp[ENV_SIZE], *token;
3939:
3940: memset(env_path, 0, sizeof(env_path));
3941: strcpy(tmp, src);
3942: token = my_strtok(tmp, ";");
3943:
3944: while(token != NULL) {
3945: if(token[0] != '\0') {
3946: char *path = msdos_remove_double_quote(token), short_path[MAX_PATH];
1.1.1.32 root 3947: if(path != NULL && strlen(path) != 0) {
3948: if(env_path[0] != '\0') {
3949: strcat(env_path, ";");
3950: }
1.1.1.28 root 3951: if(GetShortPathName(path, short_path, MAX_PATH) == 0) {
1.1.1.32 root 3952: strcat(env_path, msdos_remove_end_separator(path));
1.1.1.28 root 3953: } else {
3954: my_strupr(short_path);
1.1.1.32 root 3955: strcat(env_path, msdos_remove_end_separator(short_path));
1.1.1.28 root 3956: }
3957: }
3958: }
3959: token = my_strtok(NULL, ";");
3960: }
3961: return(env_path);
3962: }
3963:
1.1 root 3964: bool match(char *text, char *pattern)
3965: {
1.1.1.24 root 3966: // http://www.prefield.com/algorithm/string/wildcard.html
1.1.1.14 root 3967: switch(*pattern) {
1.1 root 3968: case '\0':
3969: return !*text;
3970: case '*':
1.1.1.14 root 3971: return match(text, pattern + 1) || (*text && match(text + 1, pattern));
1.1 root 3972: case '?':
3973: return *text && match(text + 1, pattern + 1);
3974: default:
3975: return (*text == *pattern) && match(text + 1, pattern + 1);
3976: }
3977: }
3978:
3979: bool msdos_match_volume_label(char *path, char *volume)
3980: {
3981: char *p;
3982:
1.1.1.14 root 3983: if(!*volume) {
3984: return false;
3985: } else if((p = my_strchr(path, ':')) != NULL) {
1.1 root 3986: return msdos_match_volume_label(p + 1, volume);
3987: } else if((p = my_strchr(path, '\\')) != NULL) {
3988: return msdos_match_volume_label(p + 1, volume);
3989: } else if((p = my_strchr(path, '.')) != NULL) {
1.1.1.14 root 3990: char tmp[MAX_PATH];
3991: sprintf(tmp, "%.*s%s", (int)(p - path), path, p + 1);
3992: return match(volume, tmp);
1.1 root 3993: } else {
3994: return match(volume, path);
3995: }
3996: }
3997:
3998: char *msdos_fcb_path(fcb_t *fcb)
3999: {
4000: static char tmp[MAX_PATH];
4001: char name[9], ext[4];
4002:
4003: memset(name, 0, sizeof(name));
4004: memcpy(name, fcb->file_name, 8);
4005: strcpy(name, msdos_trimmed_path(name, 0));
4006:
4007: memset(ext, 0, sizeof(ext));
4008: memcpy(ext, fcb->file_name + 8, 3);
4009: strcpy(ext, msdos_trimmed_path(ext, 0));
4010:
4011: if(name[0] == '\0' || strcmp(name, "????????") == 0) {
4012: strcpy(name, "*");
4013: }
4014: if(ext[0] == '\0') {
4015: strcpy(tmp, name);
4016: } else {
4017: if(strcmp(ext, "???") == 0) {
4018: strcpy(ext, "*");
4019: }
4020: sprintf(tmp, "%s.%s", name, ext);
4021: }
4022: return(tmp);
4023: }
4024:
4025: void msdos_set_fcb_path(fcb_t *fcb, char *path)
4026: {
4027: char *ext = my_strchr(path, '.');
4028:
4029: memset(fcb->file_name, 0x20, 8 + 3);
4030: if(ext != NULL && path[0] != '.') {
4031: *ext = '\0';
4032: memcpy(fcb->file_name + 8, ext + 1, strlen(ext + 1));
4033: }
4034: memcpy(fcb->file_name, path, strlen(path));
4035: }
4036:
4037: char *msdos_short_path(char *path)
4038: {
4039: static char tmp[MAX_PATH];
4040:
1.1.1.24 root 4041: if(GetShortPathName(path, tmp, MAX_PATH) == 0) {
4042: strcpy(tmp, path);
4043: }
1.1 root 4044: my_strupr(tmp);
4045: return(tmp);
4046: }
4047:
1.1.1.13 root 4048: char *msdos_short_name(WIN32_FIND_DATA *fd)
4049: {
4050: static char tmp[MAX_PATH];
4051:
1.1.1.14 root 4052: if(fd->cAlternateFileName[0]) {
1.1.1.13 root 4053: strcpy(tmp, fd->cAlternateFileName);
4054: } else {
4055: strcpy(tmp, fd->cFileName);
4056: }
4057: my_strupr(tmp);
4058: return(tmp);
4059: }
4060:
1.1 root 4061: char *msdos_short_full_path(char *path)
4062: {
4063: static char tmp[MAX_PATH];
4064: char full[MAX_PATH], *name;
4065:
1.1.1.14 root 4066: // Full works with non-existent files, but Short does not
1.1 root 4067: GetFullPathName(path, MAX_PATH, full, &name);
1.1.1.14 root 4068: *tmp = '\0';
4069: if(GetShortPathName(full, tmp, MAX_PATH) == 0 && name > path) {
4070: name[-1] = '\0';
4071: DWORD len = GetShortPathName(full, tmp, MAX_PATH);
4072: if(len == 0) {
4073: strcpy(tmp, full);
4074: } else {
4075: tmp[len++] = '\\';
4076: strcpy(tmp + len, name);
4077: }
4078: }
1.1 root 4079: my_strupr(tmp);
4080: return(tmp);
4081: }
4082:
4083: char *msdos_short_full_dir(char *path)
4084: {
4085: static char tmp[MAX_PATH];
4086: char full[MAX_PATH], *name;
4087:
4088: GetFullPathName(path, MAX_PATH, full, &name);
4089: name[-1] = '\0';
1.1.1.24 root 4090: if(GetShortPathName(full, tmp, MAX_PATH) == 0) {
4091: strcpy(tmp, full);
4092: }
1.1 root 4093: my_strupr(tmp);
4094: return(tmp);
4095: }
4096:
4097: char *msdos_local_file_path(char *path, int lfn)
4098: {
4099: char *trimmed = msdos_trimmed_path(path, lfn);
1.1.1.14 root 4100: #if 0
4101: // I have forgotten the reason of this routine... :-(
1.1 root 4102: if(_access(trimmed, 0) != 0) {
4103: process_t *process = msdos_process_info_get(current_psp);
4104: static char tmp[MAX_PATH];
4105:
4106: sprintf(tmp, "%s\\%s", process->module_dir, trimmed);
4107: if(_access(tmp, 0) == 0) {
4108: return(tmp);
4109: }
4110: }
1.1.1.14 root 4111: #endif
1.1 root 4112: return(trimmed);
4113: }
4114:
1.1.1.29 root 4115: bool msdos_is_device_path(char *path)
1.1.1.11 root 4116: {
4117: char full[MAX_PATH], *name;
4118:
1.1.1.24 root 4119: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
1.1.1.29 root 4120: if(_stricmp(full, "\\\\.\\AUX" ) == 0 ||
4121: _stricmp(full, "\\\\.\\CON" ) == 0 ||
4122: _stricmp(full, "\\\\.\\NUL" ) == 0 ||
4123: _stricmp(full, "\\\\.\\PRN" ) == 0 ||
4124: _stricmp(full, "\\\\.\\COM1") == 0 ||
4125: _stricmp(full, "\\\\.\\COM2") == 0 ||
4126: _stricmp(full, "\\\\.\\COM3") == 0 ||
4127: _stricmp(full, "\\\\.\\COM4") == 0 ||
4128: _stricmp(full, "\\\\.\\COM5") == 0 ||
4129: _stricmp(full, "\\\\.\\COM6") == 0 ||
4130: _stricmp(full, "\\\\.\\COM7") == 0 ||
4131: _stricmp(full, "\\\\.\\COM8") == 0 ||
4132: _stricmp(full, "\\\\.\\COM9") == 0 ||
4133: _stricmp(full, "\\\\.\\LPT1") == 0 ||
4134: _stricmp(full, "\\\\.\\LPT2") == 0 ||
4135: _stricmp(full, "\\\\.\\LPT3") == 0 ||
4136: _stricmp(full, "\\\\.\\LPT4") == 0 ||
4137: _stricmp(full, "\\\\.\\LPT5") == 0 ||
4138: _stricmp(full, "\\\\.\\LPT6") == 0 ||
4139: _stricmp(full, "\\\\.\\LPT7") == 0 ||
4140: _stricmp(full, "\\\\.\\LPT8") == 0 ||
4141: _stricmp(full, "\\\\.\\LPT9") == 0) {
4142: return(true);
4143: } else if(name != NULL) {
4144: if(_stricmp(name, "CLOCK$" ) == 0 ||
4145: _stricmp(name, "CONFIG$" ) == 0 ||
1.1.1.30 root 4146: _stricmp(name, "EMMXXXX0") == 0 ||
4147: _stricmp(name, "$IBMAIAS") == 0) {
1.1.1.29 root 4148: return(true);
4149: }
4150: }
1.1.1.24 root 4151: }
4152: return(false);
1.1.1.11 root 4153: }
4154:
1.1.1.29 root 4155: bool msdos_is_con_path(char *path)
1.1.1.8 root 4156: {
1.1.1.14 root 4157: char full[MAX_PATH], *name;
1.1.1.8 root 4158:
1.1.1.24 root 4159: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
1.1.1.29 root 4160: return(_stricmp(full, "\\\\.\\CON") == 0);
1.1.1.24 root 4161: }
4162: return(false);
4163: }
4164:
1.1.1.29 root 4165: int msdos_is_comm_path(char *path)
1.1.1.24 root 4166: {
4167: char full[MAX_PATH], *name;
4168:
4169: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
1.1.1.29 root 4170: if(_stricmp(full, "\\\\.\\COM1") == 0) {
4171: return(1);
4172: } else if(_stricmp(full, "\\\\.\\COM2") == 0) {
4173: return(2);
4174: } else if(_stricmp(full, "\\\\.\\COM3") == 0) {
4175: return(3);
4176: } else if(_stricmp(full, "\\\\.\\COM4") == 0) {
4177: return(4);
1.1.1.24 root 4178: }
4179: }
1.1.1.29 root 4180: return(0);
4181: }
4182:
1.1.1.37 root 4183: void msdos_set_comm_params(int sio_port, char *path)
4184: {
4185: // COM1:{110,150,300,600,1200,2400,4800,9600},{N,O,E,M,S},{8,7,6,5},{1,1.5,2}
4186: char *p = NULL;
4187:
4188: if((p = strstr(path, ":")) != NULL) {
4189: UINT8 selector = sio_read(sio_port - 1, 3);
4190:
4191: // baud rate
4192: int baud = max(110, min(9600, atoi(p + 1)));
4193: UINT16 divisor = 115200 / baud;
4194:
4195: if((p = strstr(p + 1, ",")) != NULL) {
4196: // parity
4197: if(p[1] == 'N' || p[1] == 'n') {
4198: selector = (selector & ~0x38) | 0x00;
4199: } else if(p[1] == 'O' || p[1] == 'o') {
4200: selector = (selector & ~0x38) | 0x08;
4201: } else if(p[1] == 'E' || p[1] == 'e') {
4202: selector = (selector & ~0x38) | 0x18;
4203: } else if(p[1] == 'M' || p[1] == 'm') {
4204: selector = (selector & ~0x38) | 0x28;
4205: } else if(p[1] == 'S' || p[1] == 's') {
4206: selector = (selector & ~0x38) | 0x38;
4207: }
4208: if((p = strstr(p + 1, ",")) != NULL) {
4209: // word length
4210: if(p[1] == '8') {
4211: selector = (selector & ~0x03) | 0x03;
4212: } else if(p[1] == '7') {
4213: selector = (selector & ~0x03) | 0x02;
4214: } else if(p[1] == '6') {
4215: selector = (selector & ~0x03) | 0x01;
4216: } else if(p[1] == '5') {
4217: selector = (selector & ~0x03) | 0x00;
4218: }
4219: if((p = strstr(p + 1, ",")) != NULL) {
4220: // stop bits
4221: float bits = atof(p + 1);
4222: if(bits > 1.0F) {
4223: selector |= 0x04;
4224: } else {
4225: selector &= ~0x04;
4226: }
4227: }
4228: }
4229: }
4230: sio_write(sio_port - 1, 3, selector | 0x80);
4231: sio_write(sio_port - 1, 0, divisor & 0xff);
4232: sio_write(sio_port - 1, 1, divisor >> 8);
4233: sio_write(sio_port - 1, 3, selector);
4234: }
4235: }
4236:
1.1.1.30 root 4237: int msdos_is_prn_path(char *path)
4238: {
4239: char full[MAX_PATH], *name;
4240:
4241: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
4242: if(_stricmp(full, "\\\\.\\PRN") == 0) {
4243: return(1);
4244: } else if(_stricmp(full, "\\\\.\\LPT1") == 0) {
4245: return(1);
4246: } else if(_stricmp(full, "\\\\.\\LPT2") == 0) {
4247: return(2);
4248: } else if(_stricmp(full, "\\\\.\\LPT3") == 0) {
4249: return(3);
4250: }
4251: }
4252: return(0);
4253: }
4254:
1.1.1.24 root 4255: bool msdos_is_existing_file(char *path)
4256: {
4257: // http://d.hatena.ne.jp/yu-hr/20100317/1268826458
4258: WIN32_FIND_DATA FindData;
4259: HANDLE hFind;
4260:
4261: if((hFind = FindFirstFile(path, &FindData)) != INVALID_HANDLE_VALUE) {
4262: FindClose(hFind);
4263: return(!(FindData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY));
4264: }
4265: return(false);
1.1.1.8 root 4266: }
4267:
1.1.1.9 root 4268: char *msdos_search_command_com(char *command_path, char *env_path)
4269: {
4270: static char tmp[MAX_PATH];
1.1.1.28 root 4271: char path[ENV_SIZE], *file_name;
1.1.1.9 root 4272:
1.1.1.28 root 4273: // check if COMMAND.COM is in the same directory as the target program file
1.1.1.9 root 4274: if(GetFullPathName(command_path, MAX_PATH, tmp, &file_name) != 0) {
4275: sprintf(file_name, "COMMAND.COM");
4276: if(_access(tmp, 0) == 0) {
4277: return(tmp);
4278: }
4279: }
1.1.1.28 root 4280:
4281: // check if COMMAND.COM is in the same directory as the running msdos.exe
1.1.1.9 root 4282: if(GetModuleFileName(NULL, path, MAX_PATH) != 0 && GetFullPathName(path, MAX_PATH, tmp, &file_name) != 0) {
4283: sprintf(file_name, "COMMAND.COM");
4284: if(_access(tmp, 0) == 0) {
4285: return(tmp);
4286: }
4287: }
1.1.1.28 root 4288:
4289: // check if COMMAND.COM is in the current directory
1.1.1.9 root 4290: if(GetFullPathName("COMMAND.COM", MAX_PATH, tmp, &file_name) != 0) {
4291: if(_access(tmp, 0) == 0) {
4292: return(tmp);
4293: }
4294: }
1.1.1.28 root 4295:
4296: // cehck if COMMAND.COM is in the directory that is in MSDOS_PATH and PATH environment variables
4297: strcpy(path, env_path);
4298: char *token = my_strtok(path, ";");
1.1.1.9 root 4299: while(token != NULL) {
1.1.1.14 root 4300: if(strlen(token) != 0 && token[0] != '%') {
1.1.1.9 root 4301: strcpy(tmp, msdos_combine_path(token, "COMMAND.COM"));
4302: if(_access(tmp, 0) == 0) {
4303: return(tmp);
4304: }
4305: }
4306: token = my_strtok(NULL, ";");
4307: }
4308: return(NULL);
4309: }
4310:
1.1.1.14 root 4311: int msdos_drive_number(const char *path)
1.1 root 4312: {
4313: char tmp[MAX_PATH], *name;
4314:
4315: GetFullPathName(path, MAX_PATH, tmp, &name);
4316: if(tmp[0] >= 'a' && tmp[0] <= 'z') {
4317: return(tmp[0] - 'a');
4318: } else {
4319: return(tmp[0] - 'A');
4320: }
4321: }
4322:
4323: char *msdos_volume_label(char *path)
4324: {
4325: static char tmp[MAX_PATH];
4326: char volume[] = "A:\\";
4327:
4328: if(path[1] == ':') {
4329: volume[0] = path[0];
4330: } else {
4331: volume[0] = 'A' + _getdrive() - 1;
4332: }
4333: if(!GetVolumeInformation(volume, tmp, MAX_PATH, NULL, NULL, NULL, NULL, 0)) {
4334: memset(tmp, 0, sizeof(tmp));
4335: }
4336: return(tmp);
4337: }
4338:
4339: char *msdos_short_volume_label(char *label)
4340: {
4341: static char tmp[(8 + 1 + 3) + 1];
4342: char *src = label;
4343: int remain = strlen(label);
4344: char *dst_n = tmp;
4345: char *dst_e = tmp + 9;
4346:
4347: strcpy(tmp, " . ");
4348: for(int i = 0; i < 8 && remain > 0; i++) {
4349: if(msdos_lead_byte_check(*src)) {
4350: if(++i == 8) {
4351: break;
4352: }
4353: *dst_n++ = *src++;
4354: remain--;
4355: }
4356: *dst_n++ = *src++;
4357: remain--;
4358: }
4359: if(remain > 0) {
4360: for(int i = 0; i < 3 && remain > 0; i++) {
4361: if(msdos_lead_byte_check(*src)) {
4362: if(++i == 3) {
4363: break;
4364: }
4365: *dst_e++ = *src++;
4366: remain--;
4367: }
4368: *dst_e++ = *src++;
4369: remain--;
4370: }
4371: *dst_e = '\0';
4372: } else {
4373: *dst_n = '\0';
4374: }
4375: my_strupr(tmp);
4376: return(tmp);
4377: }
4378:
1.1.1.13 root 4379: errno_t msdos_maperr(unsigned long oserrno)
4380: {
4381: _doserrno = oserrno;
1.1.1.14 root 4382: switch(oserrno) {
1.1.1.13 root 4383: case ERROR_FILE_NOT_FOUND: // 2
4384: case ERROR_PATH_NOT_FOUND: // 3
4385: case ERROR_INVALID_DRIVE: // 15
4386: case ERROR_NO_MORE_FILES: // 18
4387: case ERROR_BAD_NETPATH: // 53
4388: case ERROR_BAD_NET_NAME: // 67
4389: case ERROR_BAD_PATHNAME: // 161
4390: case ERROR_FILENAME_EXCED_RANGE: // 206
4391: return ENOENT;
4392: case ERROR_TOO_MANY_OPEN_FILES: // 4
4393: return EMFILE;
4394: case ERROR_ACCESS_DENIED: // 5
4395: case ERROR_CURRENT_DIRECTORY: // 16
4396: case ERROR_NETWORK_ACCESS_DENIED: // 65
4397: case ERROR_CANNOT_MAKE: // 82
4398: case ERROR_FAIL_I24: // 83
4399: case ERROR_DRIVE_LOCKED: // 108
4400: case ERROR_SEEK_ON_DEVICE: // 132
4401: case ERROR_NOT_LOCKED: // 158
4402: case ERROR_LOCK_FAILED: // 167
4403: return EACCES;
4404: case ERROR_INVALID_HANDLE: // 6
4405: case ERROR_INVALID_TARGET_HANDLE: // 114
4406: case ERROR_DIRECT_ACCESS_HANDLE: // 130
4407: return EBADF;
4408: case ERROR_ARENA_TRASHED: // 7
4409: case ERROR_NOT_ENOUGH_MEMORY: // 8
4410: case ERROR_INVALID_BLOCK: // 9
4411: case ERROR_NOT_ENOUGH_QUOTA: // 1816
4412: return ENOMEM;
4413: case ERROR_BAD_ENVIRONMENT: // 10
4414: return E2BIG;
4415: case ERROR_BAD_FORMAT: // 11
4416: return ENOEXEC;
4417: case ERROR_NOT_SAME_DEVICE: // 17
4418: return EXDEV;
4419: case ERROR_FILE_EXISTS: // 80
4420: case ERROR_ALREADY_EXISTS: // 183
4421: return EEXIST;
4422: case ERROR_NO_PROC_SLOTS: // 89
4423: case ERROR_MAX_THRDS_REACHED: // 164
4424: case ERROR_NESTING_NOT_ALLOWED: // 215
4425: return EAGAIN;
4426: case ERROR_BROKEN_PIPE: // 109
4427: return EPIPE;
4428: case ERROR_DISK_FULL: // 112
4429: return ENOSPC;
4430: case ERROR_WAIT_NO_CHILDREN: // 128
4431: case ERROR_CHILD_NOT_COMPLETE: // 129
4432: return ECHILD;
4433: case ERROR_DIR_NOT_EMPTY: // 145
4434: return ENOTEMPTY;
4435: }
1.1.1.14 root 4436: if(oserrno >= ERROR_WRITE_PROTECT /* 19 */ &&
1.1.1.13 root 4437: oserrno <= ERROR_SHARING_BUFFER_EXCEEDED /* 36 */) {
4438: return EACCES;
4439: }
1.1.1.14 root 4440: if(oserrno >= ERROR_INVALID_STARTING_CODESEG /* 188 */ &&
1.1.1.13 root 4441: oserrno <= ERROR_INFLOOP_IN_RELOC_CHAIN /* 202 */) {
4442: return ENOEXEC;
4443: }
4444: return EINVAL;
4445: }
4446:
4447: int msdos_open(const char *filename, int oflag)
4448: {
1.1.1.14 root 4449: if((oflag & (_O_RDONLY | _O_WRONLY | _O_RDWR)) != _O_RDONLY) {
1.1.1.13 root 4450: return _open(filename, oflag);
4451: }
1.1.1.14 root 4452:
4453: SECURITY_ATTRIBUTES sa = { sizeof(SECURITY_ATTRIBUTES), NULL, !(oflag & _O_NOINHERIT) };
1.1.1.13 root 4454: DWORD disposition;
1.1.1.14 root 4455: switch(oflag & (_O_CREAT | _O_EXCL | _O_TRUNC)) {
4456: default:
1.1.1.13 root 4457: case _O_EXCL:
4458: disposition = OPEN_EXISTING;
4459: break;
4460: case _O_CREAT:
4461: disposition = OPEN_ALWAYS;
4462: break;
4463: case _O_CREAT | _O_EXCL:
4464: case _O_CREAT | _O_TRUNC | _O_EXCL:
4465: disposition = CREATE_NEW;
4466: break;
4467: case _O_TRUNC:
4468: case _O_TRUNC | _O_EXCL:
4469: disposition = TRUNCATE_EXISTING;
4470: break;
4471: case _O_CREAT | _O_TRUNC:
4472: disposition = CREATE_ALWAYS;
4473: break;
4474: }
1.1.1.14 root 4475:
1.1.1.13 root 4476: HANDLE h = CreateFile(filename, GENERIC_READ | FILE_WRITE_ATTRIBUTES,
4477: FILE_SHARE_READ | FILE_SHARE_WRITE, &sa, disposition,
4478: FILE_ATTRIBUTE_NORMAL, NULL);
1.1.1.14 root 4479: if(h == INVALID_HANDLE_VALUE) {
1.1.1.13 root 4480: // FILE_WRITE_ATTRIBUTES may not be granted for standard users.
4481: // Retry without FILE_WRITE_ATTRIBUTES.
4482: h = CreateFile(filename, GENERIC_READ,
4483: FILE_SHARE_READ | FILE_SHARE_WRITE, &sa, disposition,
4484: FILE_ATTRIBUTE_NORMAL, NULL);
1.1.1.14 root 4485: if(h == INVALID_HANDLE_VALUE) {
1.1.1.13 root 4486: errno = msdos_maperr(GetLastError());
4487: return -1;
4488: }
4489: }
1.1.1.14 root 4490:
1.1.1.13 root 4491: int fd = _open_osfhandle((intptr_t) h, oflag);
1.1.1.14 root 4492: if(fd == -1) {
1.1.1.13 root 4493: CloseHandle(h);
4494: }
4495: return fd;
4496: }
4497:
1.1.1.37 root 4498: 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 4499: {
4500: static int id = 0;
4501: char full[MAX_PATH], *name;
4502:
4503: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
4504: strcpy(file_handler[fd].path, full);
4505: } else {
4506: strcpy(file_handler[fd].path, path);
4507: }
1.1.1.14 root 4508: // isatty makes no distinction between CON & NUL
4509: // GetFileSize fails on CON, succeeds on NUL
4510: if(atty && (info != 0x80d3 || GetFileSize((HANDLE)_get_osfhandle(fd), NULL) == 0)) {
4511: info = 0x8084;
4512: atty = 0;
4513: } else if(!atty && info == 0x80d3) {
4514: info = msdos_drive_number(".");
4515: }
1.1 root 4516: file_handler[fd].valid = 1;
4517: file_handler[fd].id = id++; // dummy id for int 21h ax=71a6h
1.1.1.37 root 4518: file_handler[fd].atty = (sio_port == 0 && lpt_port == 0) ? atty : 0;
1.1 root 4519: file_handler[fd].mode = mode;
4520: file_handler[fd].info = info;
4521: file_handler[fd].psp = psp_seg;
1.1.1.37 root 4522: file_handler[fd].sio_port = sio_port;
4523: file_handler[fd].lpt_port = lpt_port;
1.1.1.21 root 4524:
4525: // init system file table
4526: if(fd < 20) {
4527: UINT8 *sft = mem + SFT_TOP + 6 + 0x3b * fd;
4528:
4529: memset(sft, 0, 0x3b);
4530:
4531: *(UINT16 *)(sft + 0x00) = 1;
4532: *(UINT16 *)(sft + 0x02) = file_handler[fd].mode;
4533: *(UINT8 *)(sft + 0x04) = GetFileAttributes(file_handler[fd].path) & 0xff;
4534: *(UINT16 *)(sft + 0x05) = file_handler[fd].info & 0xff;
4535:
4536: if(!(file_handler[fd].info & 0x80)) {
4537: *(UINT16 *)(sft + 0x07) = sizeof(dpb_t) * (file_handler[fd].info & 0x1f);
4538: *(UINT16 *)(sft + 0x09) = DPB_TOP >> 4;
4539:
4540: FILETIME time, local;
4541: HANDLE hHandle;
4542: WORD dos_date = 0, dos_time = 0;
4543: DWORD file_size = 0;
4544: if((hHandle = (HANDLE)_get_osfhandle(fd)) != INVALID_HANDLE_VALUE) {
4545: if(GetFileTime(hHandle, NULL, NULL, &time)) {
4546: FileTimeToLocalFileTime(&time, &local);
4547: FileTimeToDosDateTime(&local, &dos_date, &dos_time);
4548: }
4549: file_size = GetFileSize(hHandle, NULL);
4550: }
4551: *(UINT16 *)(sft + 0x0d) = dos_time;
4552: *(UINT16 *)(sft + 0x0f) = dos_date;
4553: *(UINT32 *)(sft + 0x11) = file_size;
4554: }
4555:
4556: char fname[MAX_PATH] = {0}, ext[MAX_PATH] = {0};
4557: _splitpath(file_handler[fd].path, NULL, NULL, fname, ext);
4558: my_strupr(fname);
4559: my_strupr(ext);
4560: memset(sft + 0x20, 0x20, 11);
4561: memcpy(sft + 0x20, fname, min(strlen(fname), 8));
4562: memcpy(sft + 0x28, ext + 1, min(strlen(ext + 1), 3));
4563:
4564: *(UINT16 *)(sft + 0x31) = psp_seg;
4565: }
1.1 root 4566: }
4567:
1.1.1.37 root 4568: void msdos_file_handler_open(int fd, const char *path, int atty, int mode, UINT16 info, UINT16 psp_seg)
4569: {
4570: msdos_file_handler_open(fd, path, atty, mode, info, psp_seg, 0, 0);
4571: }
4572:
1.1 root 4573: void msdos_file_handler_dup(int dst, int src, UINT16 psp_seg)
4574: {
4575: strcpy(file_handler[dst].path, file_handler[src].path);
4576: file_handler[dst].valid = 1;
4577: file_handler[dst].id = file_handler[src].id;
4578: file_handler[dst].atty = file_handler[src].atty;
4579: file_handler[dst].mode = file_handler[src].mode;
4580: file_handler[dst].info = file_handler[src].info;
4581: file_handler[dst].psp = psp_seg;
1.1.1.37 root 4582: file_handler[dst].sio_port = file_handler[src].sio_port;
4583: file_handler[dst].lpt_port = file_handler[src].lpt_port;
1.1 root 4584: }
4585:
1.1.1.20 root 4586: void msdos_file_handler_close(int fd)
1.1 root 4587: {
4588: file_handler[fd].valid = 0;
1.1.1.21 root 4589:
4590: if(fd < 20) {
4591: memset(mem + SFT_TOP + 6 + 0x3b * fd, 0, 0x3b);
4592: }
1.1 root 4593: }
4594:
1.1.1.14 root 4595: inline int msdos_file_attribute_create(UINT16 new_attr)
1.1 root 4596: {
1.1.1.14 root 4597: return(new_attr & (FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN |
4598: FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_ARCHIVE |
4599: FILE_ATTRIBUTE_DIRECTORY));
1.1 root 4600: }
4601:
4602: // find file
4603:
4604: int msdos_find_file_check_attribute(int attribute, int allowed_mask, int required_mask)
4605: {
4606: if((allowed_mask & 0x08) && !(attribute & FILE_ATTRIBUTE_DIRECTORY)) {
4607: return(0); // search directory only !!!
4608: } else if(!(allowed_mask & 0x02) && (attribute & FILE_ATTRIBUTE_HIDDEN)) {
4609: return(0);
4610: } else if(!(allowed_mask & 0x04) && (attribute & FILE_ATTRIBUTE_SYSTEM)) {
4611: return(0);
4612: } else if(!(allowed_mask & 0x10) && (attribute & FILE_ATTRIBUTE_DIRECTORY)) {
4613: return(0);
4614: } else if((attribute & required_mask) != required_mask) {
4615: return(0);
4616: } else {
4617: return(1);
4618: }
4619: }
4620:
1.1.1.13 root 4621: int msdos_find_file_has_8dot3name(WIN32_FIND_DATA *fd)
4622: {
1.1.1.14 root 4623: if(fd->cAlternateFileName[0]) {
1.1.1.13 root 4624: return 1;
4625: }
4626: size_t len = strlen(fd->cFileName);
1.1.1.14 root 4627: if(len > 12) {
1.1.1.13 root 4628: return 0;
4629: }
4630: const char *ext = strrchr(fd->cFileName, '.');
1.1.1.14 root 4631: if((ext ? ext - fd->cFileName : len) > 8) {
1.1.1.13 root 4632: return 0;
4633: }
4634: return 1;
4635: }
4636:
1.1 root 4637: void msdos_find_file_conv_local_time(WIN32_FIND_DATA *fd)
4638: {
4639: FILETIME local;
4640:
4641: FileTimeToLocalFileTime(&fd->ftCreationTime, &local);
4642: fd->ftCreationTime.dwLowDateTime = local.dwLowDateTime;
4643: fd->ftCreationTime.dwHighDateTime = local.dwHighDateTime;
4644:
4645: FileTimeToLocalFileTime(&fd->ftLastAccessTime, &local);
4646: fd->ftLastAccessTime.dwLowDateTime = local.dwLowDateTime;
4647: fd->ftLastAccessTime.dwHighDateTime = local.dwHighDateTime;
4648:
4649: FileTimeToLocalFileTime(&fd->ftLastWriteTime, &local);
4650: fd->ftLastWriteTime.dwLowDateTime = local.dwLowDateTime;
4651: fd->ftLastWriteTime.dwHighDateTime = local.dwHighDateTime;
4652: }
4653:
4654: // i/o
4655:
4656: void msdos_stdio_reopen()
4657: {
4658: if(!file_handler[0].valid) {
4659: _dup2(DUP_STDIN, 0);
4660: msdos_file_handler_open(0, "STDIN", _isatty(0), 0, 0x80d3, 0);
4661: }
4662: if(!file_handler[1].valid) {
4663: _dup2(DUP_STDOUT, 1);
4664: msdos_file_handler_open(1, "STDOUT", _isatty(1), 1, 0x80d3, 0);
4665: }
4666: if(!file_handler[2].valid) {
4667: _dup2(DUP_STDERR, 2);
4668: msdos_file_handler_open(2, "STDERR", _isatty(2), 1, 0x80d3, 0);
4669: }
1.1.1.21 root 4670: if(!file_handler[3].valid) {
4671: _dup2(DUP_STDAUX, 3);
4672: msdos_file_handler_open(3, "STDAUX", 0, 2, 0x80c0, 0);
4673: }
4674: if(!file_handler[4].valid) {
4675: _dup2(DUP_STDPRN, 4);
1.1.1.37 root 4676: msdos_file_handler_open(4, "STDPRN", 0, 1, 0xa8c0, 0, 0, 1); // LPT1
1.1.1.21 root 4677: }
4678: for(int i = 0; i < 5; i++) {
4679: if(msdos_psp_get_file_table(i, current_psp) == 0xff) {
4680: msdos_psp_set_file_table(i, i, current_psp);
4681: }
4682: }
1.1 root 4683: }
4684:
1.1.1.37 root 4685: int msdos_read(int fd, void *buffer, unsigned int count)
4686: {
4687: if(fd < process->max_files && file_handler[fd].valid && file_handler[fd].sio_port >= 1 && file_handler[fd].sio_port <= 4) {
4688: // read from serial port
4689: int read = 0;
4690: if(sio_port_number[file_handler[fd].sio_port - 1] != 0) {
4691: UINT8 *buf = (UINT8 *)buffer;
4692: UINT8 selector = sio_read(file_handler[fd].sio_port - 1, 3);
4693: sio_write(file_handler[fd].sio_port - 1, 3, selector & ~0x80);
1.1.1.38 root 4694: DWORD timeout = timeGetTime() + 1000;
4695: while(read < count) {
4696: if(sio_read(file_handler[fd].sio_port - 1, 5) & 0x01) {
4697: buf[read++] = sio_read(file_handler[fd].sio_port - 1, 0);
4698: timeout = timeGetTime() + 1000;
4699: } else {
4700: if(timeGetTime() > timeout) {
4701: break;
4702: }
4703: Sleep(10);
1.1.1.37 root 4704: }
4705: }
4706: sio_write(file_handler[fd].sio_port - 1, 3, selector);
4707: }
4708: return(read);
4709: }
4710: return(_read(fd, buffer, count));
4711: }
4712:
1.1 root 4713: int msdos_kbhit()
4714: {
4715: msdos_stdio_reopen();
4716:
1.1.1.20 root 4717: process_t *process = msdos_process_info_get(current_psp);
4718: int fd = msdos_psp_get_file_table(0, current_psp);
4719:
4720: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 4721: // stdin is redirected to file
1.1.1.20 root 4722: return(eof(fd) == 0);
1.1 root 4723: }
4724:
4725: // check keyboard status
1.1.1.35 root 4726: if(key_recv != 0) {
1.1 root 4727: return(1);
4728: }
1.1.1.35 root 4729: if(key_buf_char != NULL && key_buf_scan != NULL) {
4730: #ifdef USE_SERVICE_THREAD
4731: EnterCriticalSection(&key_buf_crit_sect);
4732: #endif
4733: bool empty = key_buf_char->empty();
4734: #ifdef USE_SERVICE_THREAD
4735: LeaveCriticalSection(&key_buf_crit_sect);
4736: #endif
4737: if(!empty) return(1);
4738: }
4739: return(_kbhit());
1.1 root 4740: }
4741:
4742: int msdos_getch_ex(int echo)
4743: {
4744: static char prev = 0;
4745:
4746: msdos_stdio_reopen();
4747:
1.1.1.20 root 4748: process_t *process = msdos_process_info_get(current_psp);
4749: int fd = msdos_psp_get_file_table(0, current_psp);
4750:
4751: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 4752: // stdin is redirected to file
4753: retry:
4754: char data;
1.1.1.37 root 4755: if(msdos_read(fd, &data, 1) == 1) {
1.1 root 4756: char tmp = data;
4757: if(data == 0x0a) {
4758: if(prev == 0x0d) {
4759: goto retry; // CRLF -> skip LF
4760: } else {
4761: data = 0x0d; // LF only -> CR
4762: }
4763: }
4764: prev = tmp;
4765: return(data);
4766: }
4767: return(EOF);
4768: }
4769:
4770: // input from console
1.1.1.5 root 4771: int key_char, key_scan;
1.1.1.33 root 4772: if(key_recv != 0) {
1.1.1.5 root 4773: key_char = (key_code >> 0) & 0xff;
4774: key_scan = (key_code >> 8) & 0xff;
4775: key_code >>= 16;
1.1.1.33 root 4776: key_recv >>= 16;
1.1.1.5 root 4777: } else {
1.1.1.35 root 4778: while(key_buf_char != NULL && key_buf_scan != NULL && !m_halted) {
4779: if(key_buf_char != NULL && key_buf_scan != NULL) {
4780: #ifdef USE_SERVICE_THREAD
4781: EnterCriticalSection(&key_buf_crit_sect);
4782: #endif
4783: bool empty = key_buf_char->empty();
4784: #ifdef USE_SERVICE_THREAD
4785: LeaveCriticalSection(&key_buf_crit_sect);
4786: #endif
4787: if(!empty) break;
4788: }
1.1.1.23 root 4789: if(!(fd < process->max_files && file_handler[fd].valid && file_handler[fd].atty && file_mode[file_handler[fd].mode].in)) {
4790: // NOTE: stdin is redirected to stderr when we do "type (file) | more" on freedos's command.com
4791: if(_kbhit()) {
1.1.1.32 root 4792: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 4793: #ifdef USE_SERVICE_THREAD
4794: EnterCriticalSection(&key_buf_crit_sect);
4795: #endif
1.1.1.32 root 4796: key_buf_char->write(_getch());
1.1.1.35 root 4797: key_buf_scan->write(0x00);
4798: #ifdef USE_SERVICE_THREAD
4799: LeaveCriticalSection(&key_buf_crit_sect);
4800: #endif
1.1.1.32 root 4801: }
1.1.1.23 root 4802: } else {
4803: Sleep(10);
4804: }
4805: } else {
4806: if(!update_key_buffer()) {
4807: Sleep(10);
4808: }
1.1.1.14 root 4809: }
4810: }
4811: if(m_halted) {
1.1.1.33 root 4812: // insert CR to terminate input loops
1.1.1.14 root 4813: key_char = 0x0d;
4814: key_scan = 0;
1.1.1.32 root 4815: } else if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 4816: #ifdef USE_SERVICE_THREAD
4817: EnterCriticalSection(&key_buf_crit_sect);
4818: #endif
1.1.1.14 root 4819: key_char = key_buf_char->read();
4820: key_scan = key_buf_scan->read();
1.1.1.35 root 4821: #ifdef USE_SERVICE_THREAD
4822: LeaveCriticalSection(&key_buf_crit_sect);
4823: #endif
1.1.1.5 root 4824: }
1.1 root 4825: }
4826: if(echo && key_char) {
4827: msdos_putch(key_char);
4828: }
4829: return key_char ? key_char : (key_scan != 0xe0) ? key_scan : 0;
4830: }
4831:
4832: inline int msdos_getch()
4833: {
4834: return(msdos_getch_ex(0));
4835: }
4836:
4837: inline int msdos_getche()
4838: {
4839: return(msdos_getch_ex(1));
4840: }
4841:
4842: int msdos_write(int fd, const void *buffer, unsigned int count)
4843: {
1.1.1.37 root 4844: if(fd < process->max_files && file_handler[fd].valid && file_handler[fd].sio_port >= 1 && file_handler[fd].sio_port <= 4) {
4845: // write to serial port
1.1.1.38 root 4846: int written = 0;
1.1.1.37 root 4847: if(sio_port_number[file_handler[fd].sio_port - 1] != 0) {
4848: UINT8 *buf = (UINT8 *)buffer;
4849: UINT8 selector = sio_read(file_handler[fd].sio_port - 1, 3);
4850: sio_write(file_handler[fd].sio_port - 1, 3, selector & ~0x80);
1.1.1.38 root 4851: DWORD timeout = timeGetTime() + 1000;
4852: while(written < count) {
4853: if(sio_read(file_handler[fd].sio_port - 1, 5) & 0x20) {
4854: sio_write(file_handler[fd].sio_port - 1, 0, buf[written++]);
4855: timeout = timeGetTime() + 1000;
4856: } else {
4857: if(timeGetTime() > timeout) {
4858: break;
4859: }
4860: Sleep(10);
4861: }
1.1.1.37 root 4862: }
4863: sio_write(file_handler[fd].sio_port - 1, 3, selector);
4864: }
1.1.1.38 root 4865: return(written);
1.1.1.37 root 4866: } else if(fd < process->max_files && file_handler[fd].valid && file_handler[fd].lpt_port >= 1 && file_handler[fd].lpt_port <= 3) {
4867: // write to printer port
4868: UINT8 *buf = (UINT8 *)buffer;
4869: for(unsigned int i = 0; i < count; i++) {
4870: // printer_out(file_handler[fd].lpt_port - 1, buf[i]);
4871: pcbios_printer_out(file_handler[fd].lpt_port - 1, buf[i]);
4872: }
4873: return(count);
4874: } else if(fd == 1 && file_handler[1].valid && !file_handler[1].atty) {
1.1 root 4875: // CR+LF -> LF
1.1.1.37 root 4876: static int is_cr = 0;
1.1 root 4877: UINT8 *buf = (UINT8 *)buffer;
4878: for(unsigned int i = 0; i < count; i++) {
4879: UINT8 data = buf[i];
4880: if(is_cr) {
4881: if(data != 0x0a) {
4882: UINT8 tmp = 0x0d;
4883: _write(1, &tmp, 1);
4884: }
4885: _write(1, &data, 1);
4886: is_cr = 0;
4887: } else if(data == 0x0d) {
4888: is_cr = 1;
4889: } else {
4890: _write(1, &data, 1);
4891: }
4892: }
4893: return(count);
4894: }
1.1.1.14 root 4895: vram_flush();
1.1 root 4896: return(_write(fd, buffer, count));
4897: }
4898:
4899: void msdos_putch(UINT8 data)
1.1.1.35 root 4900: #ifdef USE_SERVICE_THREAD
4901: {
4902: EnterCriticalSection(&putch_crit_sect);
4903: msdos_putch_tmp(data);
4904: LeaveCriticalSection(&putch_crit_sect);
4905: }
4906: void msdos_putch_tmp(UINT8 data)
4907: #endif
1.1 root 4908: {
1.1.1.34 root 4909: CONSOLE_SCREEN_BUFFER_INFO csbi;
4910: SMALL_RECT rect;
4911: COORD co;
1.1 root 4912: static int p = 0;
4913: static int is_kanji = 0;
4914: static int is_esc = 0;
4915: static int stored_x;
4916: static int stored_y;
4917: static WORD stored_a;
1.1.1.20 root 4918: static char tmp[64], out[64];
1.1 root 4919:
4920: msdos_stdio_reopen();
4921:
1.1.1.20 root 4922: process_t *process = msdos_process_info_get(current_psp);
4923: int fd = msdos_psp_get_file_table(1, current_psp);
4924:
4925: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 4926: // stdout is redirected to file
1.1.1.20 root 4927: msdos_write(fd, &data, 1);
1.1 root 4928: return;
4929: }
1.1.1.23 root 4930: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 4931:
4932: // output to console
4933: tmp[p++] = data;
4934:
1.1.1.14 root 4935: vram_flush();
4936:
1.1 root 4937: if(is_kanji) {
4938: // kanji character
4939: is_kanji = 0;
4940: } else if(is_esc) {
4941: // escape sequense
4942: if((tmp[1] == ')' || tmp[1] == '(') && p == 3) {
4943: p = is_esc = 0;
4944: } else if(tmp[1] == '=' && p == 4) {
4945: co.X = tmp[3] - 0x20;
1.1.1.14 root 4946: co.Y = tmp[2] - 0x20 + scr_top;
1.1 root 4947: SetConsoleCursorPosition(hStdout, co);
4948: mem[0x450 + mem[0x462] * 2] = co.X;
1.1.1.14 root 4949: mem[0x451 + mem[0x462] * 2] = co.Y - scr_top;
1.1 root 4950: cursor_moved = false;
4951: p = is_esc = 0;
4952: } else if((data >= 'a' && data <= 'z') || (data >= 'A' && data <= 'Z') || data == '*') {
4953: GetConsoleScreenBufferInfo(hStdout, &csbi);
4954: co.X = csbi.dwCursorPosition.X;
4955: co.Y = csbi.dwCursorPosition.Y;
4956: WORD wAttributes = csbi.wAttributes;
4957:
4958: if(tmp[1] == 'D') {
4959: co.Y++;
4960: } else if(tmp[1] == 'E') {
4961: co.X = 0;
4962: co.Y++;
4963: } else if(tmp[1] == 'M') {
4964: co.Y--;
4965: } else if(tmp[1] == '*') {
1.1.1.14 root 4966: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
4967: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
4968: co.X = 0;
4969: co.Y = csbi.srWindow.Top;
1.1 root 4970: } else if(tmp[1] == '[') {
4971: int param[256], params = 0;
4972: memset(param, 0, sizeof(param));
4973: for(int i = 2; i < p; i++) {
4974: if(tmp[i] >= '0' && tmp[i] <= '9') {
4975: param[params] *= 10;
4976: param[params] += tmp[i] - '0';
4977: } else {
4978: params++;
4979: }
4980: }
4981: if(data == 'A') {
1.1.1.14 root 4982: co.Y -= (params == 0) ? 1 : param[0];
1.1 root 4983: } else if(data == 'B') {
1.1.1.14 root 4984: co.Y += (params == 0) ? 1 : param[0];
1.1 root 4985: } else if(data == 'C') {
1.1.1.14 root 4986: co.X += (params == 0) ? 1 : param[0];
1.1 root 4987: } else if(data == 'D') {
1.1.1.14 root 4988: co.X -= (params == 0) ? 1 : param[0];
1.1 root 4989: } else if(data == 'H' || data == 'f') {
1.1.1.14 root 4990: co.X = (param[1] == 0 ? 1 : param[1]) - 1;
4991: co.Y = (param[0] == 0 ? 1 : param[0]) - 1 + csbi.srWindow.Top;
1.1 root 4992: } else if(data == 'J') {
1.1.1.14 root 4993: clear_scr_buffer(csbi.wAttributes);
1.1 root 4994: if(param[0] == 0) {
4995: SET_RECT(rect, co.X, co.Y, csbi.dwSize.X - 1, co.Y);
1.1.1.14 root 4996: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
4997: if(co.Y < csbi.srWindow.Bottom) {
4998: SET_RECT(rect, 0, co.Y + 1, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
4999: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5000: }
5001: } else if(param[0] == 1) {
1.1.1.14 root 5002: if(co.Y > csbi.srWindow.Top) {
5003: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, co.Y - 1);
5004: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5005: }
5006: SET_RECT(rect, 0, co.Y, co.X, co.Y);
1.1.1.14 root 5007: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5008: } else if(param[0] == 2) {
1.1.1.14 root 5009: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5010: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5011: co.X = co.Y = 0;
5012: }
5013: } else if(data == 'K') {
1.1.1.14 root 5014: clear_scr_buffer(csbi.wAttributes);
1.1 root 5015: if(param[0] == 0) {
5016: SET_RECT(rect, co.X, co.Y, csbi.dwSize.X - 1, co.Y);
1.1.1.14 root 5017: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5018: } else if(param[0] == 1) {
5019: SET_RECT(rect, 0, co.Y, co.X, co.Y);
1.1.1.14 root 5020: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5021: } else if(param[0] == 2) {
5022: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, co.Y);
1.1.1.14 root 5023: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5024: }
5025: } else if(data == 'L') {
1.1.1.14 root 5026: if(params == 0) {
5027: param[0] = 1;
1.1 root 5028: }
1.1.1.14 root 5029: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5030: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5031: SET_RECT(rect, 0, co.Y + param[0], csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5032: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5033: clear_scr_buffer(csbi.wAttributes);
1.1 root 5034: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, co.Y + param[0] - 1);
1.1.1.14 root 5035: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5036: co.X = 0;
5037: } else if(data == 'M') {
1.1.1.14 root 5038: if(params == 0) {
5039: param[0] = 1;
5040: }
5041: if(co.Y + param[0] > csbi.srWindow.Bottom) {
5042: clear_scr_buffer(csbi.wAttributes);
5043: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5044: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5045: } else {
1.1.1.14 root 5046: SET_RECT(rect, 0, co.Y + param[0], csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5047: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5048: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5049: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5050: clear_scr_buffer(csbi.wAttributes);
1.1 root 5051: }
5052: co.X = 0;
5053: } else if(data == 'h') {
5054: if(tmp[2] == '>' && tmp[3] == '5') {
5055: CONSOLE_CURSOR_INFO cur;
5056: GetConsoleCursorInfo(hStdout, &cur);
5057: if(cur.bVisible) {
5058: cur.bVisible = FALSE;
1.1.1.14 root 5059: // SetConsoleCursorInfo(hStdout, &cur);
1.1 root 5060: }
5061: }
5062: } else if(data == 'l') {
5063: if(tmp[2] == '>' && tmp[3] == '5') {
5064: CONSOLE_CURSOR_INFO cur;
5065: GetConsoleCursorInfo(hStdout, &cur);
5066: if(!cur.bVisible) {
5067: cur.bVisible = TRUE;
1.1.1.14 root 5068: // SetConsoleCursorInfo(hStdout, &cur);
1.1 root 5069: }
5070: }
5071: } else if(data == 'm') {
5072: wAttributes = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
5073: int reverse = 0, hidden = 0;
5074: for(int i = 0; i < params; i++) {
5075: if(param[i] == 1) {
5076: wAttributes |= FOREGROUND_INTENSITY;
5077: } else if(param[i] == 4) {
5078: wAttributes |= COMMON_LVB_UNDERSCORE;
5079: } else if(param[i] == 7) {
5080: reverse = 1;
5081: } else if(param[i] == 8 || param[i] == 16) {
5082: hidden = 1;
5083: } else if((param[i] >= 17 && param[i] <= 23) || (param[i] >= 30 && param[i] <= 37)) {
5084: wAttributes &= ~(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
5085: if(param[i] >= 17 && param[i] <= 23) {
5086: param[i] -= 16;
5087: } else {
5088: param[i] -= 30;
5089: }
5090: if(param[i] & 1) {
5091: wAttributes |= FOREGROUND_RED;
5092: }
5093: if(param[i] & 2) {
5094: wAttributes |= FOREGROUND_GREEN;
5095: }
5096: if(param[i] & 4) {
5097: wAttributes |= FOREGROUND_BLUE;
5098: }
5099: } else if(param[i] >= 40 && param[i] <= 47) {
5100: wAttributes &= ~(BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE);
5101: if((param[i] - 40) & 1) {
5102: wAttributes |= BACKGROUND_RED;
5103: }
5104: if((param[i] - 40) & 2) {
5105: wAttributes |= BACKGROUND_GREEN;
5106: }
5107: if((param[i] - 40) & 4) {
5108: wAttributes |= BACKGROUND_BLUE;
5109: }
5110: }
5111: }
5112: if(reverse) {
5113: wAttributes &= ~0xff;
5114: wAttributes |= BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE;
5115: }
5116: if(hidden) {
5117: wAttributes &= ~0x0f;
5118: wAttributes |= (wAttributes >> 4) & 0x0f;
5119: }
5120: } else if(data == 'n') {
5121: if(param[0] == 6) {
5122: char tmp[16];
5123: sprintf(tmp, "\x1b[%d;%dR", co.Y + 1, co.X + 1);
5124: int len = strlen(tmp);
1.1.1.32 root 5125: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 5126: #ifdef USE_SERVICE_THREAD
5127: EnterCriticalSection(&key_buf_crit_sect);
5128: #endif
1.1.1.32 root 5129: for(int i = 0; i < len; i++) {
5130: key_buf_char->write(tmp[i]);
5131: key_buf_scan->write(0x00);
5132: }
1.1.1.35 root 5133: #ifdef USE_SERVICE_THREAD
5134: LeaveCriticalSection(&key_buf_crit_sect);
5135: #endif
1.1 root 5136: }
5137: }
5138: } else if(data == 's') {
5139: stored_x = co.X;
5140: stored_y = co.Y;
5141: stored_a = wAttributes;
5142: } else if(data == 'u') {
5143: co.X = stored_x;
5144: co.Y = stored_y;
5145: wAttributes = stored_a;
5146: }
5147: }
5148: if(co.X < 0) {
5149: co.X = 0;
5150: } else if(co.X >= csbi.dwSize.X) {
5151: co.X = csbi.dwSize.X - 1;
5152: }
1.1.1.14 root 5153: if(co.Y < csbi.srWindow.Top) {
5154: co.Y = csbi.srWindow.Top;
5155: } else if(co.Y > csbi.srWindow.Bottom) {
5156: co.Y = csbi.srWindow.Bottom;
1.1 root 5157: }
5158: if(co.X != csbi.dwCursorPosition.X || co.Y != csbi.dwCursorPosition.Y) {
5159: SetConsoleCursorPosition(hStdout, co);
5160: mem[0x450 + mem[0x462] * 2] = co.X;
1.1.1.14 root 5161: mem[0x451 + mem[0x462] * 2] = co.Y - csbi.srWindow.Top;
1.1 root 5162: cursor_moved = false;
5163: }
5164: if(wAttributes != csbi.wAttributes) {
5165: SetConsoleTextAttribute(hStdout, wAttributes);
5166: }
5167: p = is_esc = 0;
5168: }
5169: return;
5170: } else {
5171: if(msdos_lead_byte_check(data)) {
5172: is_kanji = 1;
5173: return;
5174: } else if(data == 0x1b) {
5175: is_esc = 1;
5176: return;
5177: }
5178: }
1.1.1.20 root 5179:
5180: DWORD q = 0, num;
5181: is_kanji = 0;
5182: for(int i = 0; i < p; i++) {
5183: UINT8 c = tmp[i];
5184: if(is_kanji) {
5185: is_kanji = 0;
5186: } else if(msdos_lead_byte_check(data)) {
5187: is_kanji = 1;
5188: } else if(msdos_ctrl_code_check(data)) {
5189: out[q++] = '^';
5190: c += 'A' - 1;
5191: }
5192: out[q++] = c;
5193: }
1.1.1.34 root 5194: if(q == 1 && out[0] == 0x08) {
5195: // back space
5196: GetConsoleScreenBufferInfo(hStdout, &csbi);
5197: if(csbi.dwCursorPosition.X > 0) {
5198: co.X = csbi.dwCursorPosition.X - 1;
5199: co.Y = csbi.dwCursorPosition.Y;
5200: SetConsoleCursorPosition(hStdout, co);
5201: } else if(csbi.dwCursorPosition.Y > 0) {
5202: co.X = csbi.dwSize.X - 1;
5203: co.Y = csbi.dwCursorPosition.Y - 1;
5204: SetConsoleCursorPosition(hStdout, co);
5205: } else {
5206: WriteConsole(hStdout, out, q, &num, NULL); // to make sure
5207: }
5208: } else {
5209: WriteConsole(hStdout, out, q, &num, NULL);
5210: }
1.1 root 5211: p = 0;
1.1.1.14 root 5212:
1.1.1.15 root 5213: if(!restore_console_on_exit) {
5214: GetConsoleScreenBufferInfo(hStdout, &csbi);
5215: scr_top = csbi.srWindow.Top;
5216: }
1.1 root 5217: cursor_moved = true;
5218: }
5219:
5220: int msdos_aux_in()
5221: {
1.1.1.21 root 5222: msdos_stdio_reopen();
5223:
1.1.1.20 root 5224: process_t *process = msdos_process_info_get(current_psp);
5225: int fd = msdos_psp_get_file_table(3, current_psp);
5226:
5227: if(fd < process->max_files && file_handler[fd].valid && !eof(fd)) {
1.1 root 5228: char data = 0;
1.1.1.37 root 5229: msdos_read(fd, &data, 1);
1.1 root 5230: return(data);
5231: } else {
5232: return(EOF);
5233: }
5234: }
5235:
5236: void msdos_aux_out(char data)
5237: {
1.1.1.21 root 5238: msdos_stdio_reopen();
5239:
1.1.1.20 root 5240: process_t *process = msdos_process_info_get(current_psp);
5241: int fd = msdos_psp_get_file_table(3, current_psp);
5242:
5243: if(fd < process->max_files && file_handler[fd].valid) {
5244: msdos_write(fd, &data, 1);
1.1 root 5245: }
5246: }
5247:
5248: void msdos_prn_out(char data)
5249: {
1.1.1.21 root 5250: msdos_stdio_reopen();
5251:
1.1.1.20 root 5252: process_t *process = msdos_process_info_get(current_psp);
5253: int fd = msdos_psp_get_file_table(4, current_psp);
5254:
5255: if(fd < process->max_files && file_handler[fd].valid) {
5256: msdos_write(fd, &data, 1);
1.1 root 5257: }
5258: }
5259:
5260: // memory control
5261:
1.1.1.39! root 5262: mcb_t *msdos_mcb_create(int mcb_seg, UINT8 mz, UINT16 psp, int paragraphs, char *prog_name)
1.1 root 5263: {
5264: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5265:
5266: mcb->mz = mz;
5267: mcb->psp = psp;
1.1.1.30 root 5268: mcb->paragraphs = paragraphs;
1.1.1.39! root 5269:
! 5270: if(prog_name != NULL) {
! 5271: memset(mcb->prog_name, 0, 8);
! 5272: memcpy(mcb->prog_name, prog_name, min(8, strlen(prog_name)));
! 5273: }
1.1 root 5274: return(mcb);
5275: }
5276:
1.1.1.39! root 5277: mcb_t *msdos_mcb_create(int mcb_seg, UINT8 mz, UINT16 psp, int paragraphs)
! 5278: {
! 5279: return(msdos_mcb_create(mcb_seg, mz, psp, paragraphs, NULL));
! 5280: }
! 5281:
1.1 root 5282: void msdos_mcb_check(mcb_t *mcb)
5283: {
5284: if(!(mcb->mz == 'M' || mcb->mz == 'Z')) {
1.1.1.28 root 5285: #if 0
5286: // shutdown now !!!
5287: fatalerror("broken memory control block\n");
5288: #else
5289: // return error code and continue
5290: throw(0x07); // broken memory control block
5291: #endif
1.1 root 5292: }
5293: }
5294:
1.1.1.39! root 5295: void msdos_mem_split(int seg, int paragraphs)
1.1 root 5296: {
5297: int mcb_seg = seg - 1;
5298: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5299: msdos_mcb_check(mcb);
5300:
1.1.1.30 root 5301: if(mcb->paragraphs > paragraphs) {
1.1 root 5302: int new_seg = mcb_seg + 1 + paragraphs;
1.1.1.30 root 5303: int new_paragraphs = mcb->paragraphs - paragraphs - 1;
1.1 root 5304:
5305: msdos_mcb_create(new_seg, mcb->mz, 0, new_paragraphs);
5306: mcb->mz = 'M';
1.1.1.30 root 5307: mcb->paragraphs = paragraphs;
1.1 root 5308: }
5309: }
5310:
5311: void msdos_mem_merge(int seg)
5312: {
5313: int mcb_seg = seg - 1;
5314: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5315: msdos_mcb_check(mcb);
5316:
5317: while(1) {
5318: if(mcb->mz == 'Z') {
5319: break;
5320: }
1.1.1.30 root 5321: int next_seg = mcb_seg + 1 + mcb->paragraphs;
1.1 root 5322: mcb_t *next_mcb = (mcb_t *)(mem + (next_seg << 4));
5323: msdos_mcb_check(next_mcb);
5324:
5325: if(next_mcb->psp != 0) {
5326: break;
5327: }
5328: mcb->mz = next_mcb->mz;
1.1.1.30 root 5329: mcb->paragraphs = mcb->paragraphs + 1 + next_mcb->paragraphs;
1.1 root 5330: }
5331: }
5332:
1.1.1.8 root 5333: int msdos_mem_alloc(int mcb_seg, int paragraphs, int new_process)
1.1 root 5334: {
5335: while(1) {
5336: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1.1.33 root 5337: bool last_block;
1.1 root 5338:
1.1.1.14 root 5339: if(mcb->psp == 0) {
5340: msdos_mem_merge(mcb_seg + 1);
5341: } else {
5342: msdos_mcb_check(mcb);
5343: }
1.1.1.33 root 5344: if(!(last_block = (mcb->mz == 'Z'))) {
5345: // check if the next is dummy mcb to link to umb
5346: int next_seg = mcb_seg + 1 + mcb->paragraphs;
5347: mcb_t *next_mcb = (mcb_t *)(mem + (next_seg << 4));
5348: last_block = (next_mcb->mz == 'Z' && next_mcb->paragraphs == 0);
5349: }
5350: if(!(new_process && !last_block)) {
1.1.1.30 root 5351: if(mcb->psp == 0 && mcb->paragraphs >= paragraphs) {
1.1 root 5352: msdos_mem_split(mcb_seg + 1, paragraphs);
5353: mcb->psp = current_psp;
5354: return(mcb_seg + 1);
5355: }
5356: }
5357: if(mcb->mz == 'Z') {
5358: break;
5359: }
1.1.1.30 root 5360: mcb_seg += 1 + mcb->paragraphs;
1.1 root 5361: }
5362: return(-1);
5363: }
5364:
5365: int msdos_mem_realloc(int seg, int paragraphs, int *max_paragraphs)
5366: {
5367: int mcb_seg = seg - 1;
5368: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5369: msdos_mcb_check(mcb);
1.1.1.30 root 5370: int current_paragraphs = mcb->paragraphs;
1.1 root 5371:
5372: msdos_mem_merge(seg);
1.1.1.30 root 5373: if(paragraphs > mcb->paragraphs) {
1.1.1.14 root 5374: if(max_paragraphs) {
1.1.1.30 root 5375: *max_paragraphs = mcb->paragraphs;
1.1.1.14 root 5376: }
1.1 root 5377: msdos_mem_split(seg, current_paragraphs);
5378: return(-1);
5379: }
5380: msdos_mem_split(seg, paragraphs);
5381: return(0);
5382: }
5383:
5384: void msdos_mem_free(int seg)
5385: {
5386: int mcb_seg = seg - 1;
5387: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5388: msdos_mcb_check(mcb);
5389:
5390: mcb->psp = 0;
5391: msdos_mem_merge(seg);
5392: }
5393:
1.1.1.8 root 5394: int msdos_mem_get_free(int mcb_seg, int new_process)
1.1 root 5395: {
5396: int max_paragraphs = 0;
5397:
5398: while(1) {
5399: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1.1.33 root 5400: bool last_block;
5401:
1.1 root 5402: msdos_mcb_check(mcb);
5403:
1.1.1.33 root 5404: if(!(last_block = (mcb->mz == 'Z'))) {
5405: // check if the next is dummy mcb to link to umb
5406: int next_seg = mcb_seg + 1 + mcb->paragraphs;
5407: mcb_t *next_mcb = (mcb_t *)(mem + (next_seg << 4));
5408: last_block = (next_mcb->mz == 'Z' && next_mcb->paragraphs == 0);
5409: }
5410: if(!(new_process && !last_block)) {
1.1.1.30 root 5411: if(mcb->psp == 0 && mcb->paragraphs > max_paragraphs) {
5412: max_paragraphs = mcb->paragraphs;
1.1 root 5413: }
5414: }
5415: if(mcb->mz == 'Z') {
5416: break;
5417: }
1.1.1.30 root 5418: mcb_seg += 1 + mcb->paragraphs;
1.1 root 5419: }
1.1.1.14 root 5420: return(max_paragraphs > 0x7fff && limit_max_memory ? 0x7fff : max_paragraphs);
1.1 root 5421: }
5422:
1.1.1.8 root 5423: int msdos_mem_get_last_mcb(int mcb_seg, UINT16 psp)
5424: {
5425: int last_seg = -1;
5426:
5427: while(1) {
5428: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5429: msdos_mcb_check(mcb);
5430:
1.1.1.14 root 5431: if(mcb->psp == psp) {
1.1.1.8 root 5432: last_seg = mcb_seg;
5433: }
1.1.1.14 root 5434: if(mcb->mz == 'Z') {
5435: break;
5436: }
1.1.1.30 root 5437: mcb_seg += 1 + mcb->paragraphs;
1.1.1.8 root 5438: }
5439: return(last_seg);
5440: }
5441:
1.1.1.19 root 5442: int msdos_mem_get_umb_linked()
5443: {
1.1.1.33 root 5444: mcb_t *mcb = (mcb_t *)(mem + MEMORY_END - 16);
5445: msdos_mcb_check(mcb);
1.1.1.19 root 5446:
1.1.1.33 root 5447: if(mcb->mz == 'M') {
5448: return(-1);
1.1.1.19 root 5449: }
5450: return(0);
5451: }
5452:
1.1.1.33 root 5453: void msdos_mem_link_umb()
1.1.1.19 root 5454: {
1.1.1.33 root 5455: mcb_t *mcb = (mcb_t *)(mem + MEMORY_END - 16);
5456: msdos_mcb_check(mcb);
1.1.1.19 root 5457:
1.1.1.33 root 5458: mcb->mz = 'M';
5459: mcb->paragraphs = (UMB_TOP >> 4) - (MEMORY_END >> 4);
1.1.1.39! root 5460:
! 5461: ((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked |= 0x01;
1.1.1.19 root 5462: }
5463:
1.1.1.33 root 5464: void msdos_mem_unlink_umb()
1.1.1.19 root 5465: {
1.1.1.33 root 5466: mcb_t *mcb = (mcb_t *)(mem + MEMORY_END - 16);
5467: msdos_mcb_check(mcb);
1.1.1.19 root 5468:
1.1.1.33 root 5469: mcb->mz = 'Z';
5470: mcb->paragraphs = 0;
1.1.1.39! root 5471:
! 5472: ((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked &= ~0x01;
1.1.1.19 root 5473: }
5474:
1.1.1.29 root 5475: #ifdef SUPPORT_HMA
5476:
5477: hma_mcb_t *msdos_hma_mcb_create(int offset, int owner, int size, int next)
5478: {
5479: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5480:
5481: mcb->ms[0] = 'M';
5482: mcb->ms[1] = 'S';
5483: mcb->owner = owner;
5484: mcb->size = size;
5485: mcb->next = next;
5486: return(mcb);
5487: }
5488:
5489: bool msdos_is_hma_mcb_valid(hma_mcb_t *mcb)
5490: {
5491: return(mcb->ms[0] == 'M' && mcb->ms[1] == 'S');
5492: }
5493:
5494: int msdos_hma_mem_split(int offset, int size)
5495: {
5496: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5497:
5498: if(!msdos_is_hma_mcb_valid(mcb)) {
5499: return(-1);
5500: }
5501: if(mcb->size >= size + 0x10) {
5502: int new_offset = offset + 0x10 + size;
5503: int new_size = mcb->size - 0x10 - size;
5504:
5505: msdos_hma_mcb_create(new_offset, 0, new_size, mcb->next);
5506: mcb->size = size;
5507: mcb->next = new_offset;
5508: return(0);
5509: }
5510: return(-1);
5511: }
5512:
5513: void msdos_hma_mem_merge(int offset)
5514: {
5515: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5516:
5517: if(!msdos_is_hma_mcb_valid(mcb)) {
5518: return;
5519: }
5520: while(1) {
5521: if(mcb->next == 0) {
5522: break;
5523: }
5524: hma_mcb_t *next_mcb = (hma_mcb_t *)(mem + 0xffff0 + mcb->next);
5525:
5526: if(!msdos_is_hma_mcb_valid(next_mcb)) {
5527: return;
5528: }
5529: if(next_mcb->owner != 0) {
5530: break;
5531: }
5532: mcb->size += 0x10 + next_mcb->size;
5533: mcb->next = next_mcb->next;
5534: }
5535: }
5536:
5537: int msdos_hma_mem_alloc(int size, UINT16 owner)
5538: {
5539: int offset = 0x10; // first mcb in HMA
5540:
5541: while(1) {
5542: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5543:
5544: if(!msdos_is_hma_mcb_valid(mcb)) {
5545: return(-1);
5546: }
5547: if(mcb->owner == 0) {
5548: msdos_hma_mem_merge(offset);
5549: }
5550: if(mcb->owner == 0 && mcb->size >= size) {
5551: msdos_hma_mem_split(offset, size);
5552: mcb->owner = owner;
5553: return(offset);
5554: }
5555: if(mcb->next == 0) {
5556: break;
5557: }
5558: offset = mcb->next;
5559: }
5560: return(-1);
5561: }
5562:
5563: int msdos_hma_mem_realloc(int offset, int size)
5564: {
5565: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5566:
5567: if(!msdos_is_hma_mcb_valid(mcb)) {
5568: return(-1);
5569: }
5570: if(mcb->size < size) {
5571: return(-1);
5572: }
5573: msdos_hma_mem_split(offset, size);
5574: return(0);
5575: }
5576:
5577: void msdos_hma_mem_free(int offset)
5578: {
5579: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5580:
5581: if(!msdos_is_hma_mcb_valid(mcb)) {
5582: return;
5583: }
5584: mcb->owner = 0;
5585: msdos_hma_mem_merge(offset);
5586: }
5587:
5588: int msdos_hma_mem_get_free(int *available_offset)
5589: {
5590: int offset = 0x10; // first mcb in HMA
5591: int size = 0;
5592:
5593: while(1) {
5594: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5595:
5596: if(!msdos_is_hma_mcb_valid(mcb)) {
5597: return(0);
5598: }
5599: if(mcb->owner == 0 && size < mcb->size) {
5600: if(available_offset != NULL) {
5601: *available_offset = offset;
5602: }
5603: size = mcb->size;
5604: }
5605: if(mcb->next == 0) {
5606: break;
5607: }
5608: offset = mcb->next;
5609: }
5610: return(size);
5611: }
5612:
5613: #endif
5614:
1.1 root 5615: // environment
5616:
5617: void msdos_env_set_argv(int env_seg, char *argv)
5618: {
5619: char *dst = (char *)(mem + (env_seg << 4));
5620:
5621: while(1) {
5622: if(dst[0] == 0) {
5623: break;
5624: }
5625: dst += strlen(dst) + 1;
5626: }
5627: *dst++ = 0; // end of environment
5628: *dst++ = 1; // top of argv[0]
5629: *dst++ = 0;
5630: memcpy(dst, argv, strlen(argv));
5631: dst += strlen(argv);
5632: *dst++ = 0;
5633: *dst++ = 0;
5634: }
5635:
5636: char *msdos_env_get_argv(int env_seg)
5637: {
5638: static char env[ENV_SIZE];
5639: char *src = env;
5640:
5641: memcpy(src, mem + (env_seg << 4), ENV_SIZE);
5642: while(1) {
5643: if(src[0] == 0) {
5644: if(src[1] == 1) {
5645: return(src + 3);
5646: }
5647: break;
5648: }
5649: src += strlen(src) + 1;
5650: }
5651: return(NULL);
5652: }
5653:
5654: char *msdos_env_get(int env_seg, const char *name)
5655: {
5656: static char env[ENV_SIZE];
5657: char *src = env;
5658:
5659: memcpy(src, mem + (env_seg << 4), ENV_SIZE);
5660: while(1) {
5661: if(src[0] == 0) {
5662: break;
5663: }
5664: int len = strlen(src);
5665: char *n = my_strtok(src, "=");
5666: char *v = src + strlen(n) + 1;
5667:
5668: if(_stricmp(name, n) == 0) {
5669: return(v);
5670: }
5671: src += len + 1;
5672: }
5673: return(NULL);
5674: }
5675:
5676: void msdos_env_set(int env_seg, char *name, char *value)
5677: {
5678: char env[ENV_SIZE];
5679: char *src = env;
5680: char *dst = (char *)(mem + (env_seg << 4));
5681: char *argv = msdos_env_get_argv(env_seg);
5682: int done = 0;
5683:
5684: memcpy(src, dst, ENV_SIZE);
5685: memset(dst, 0, ENV_SIZE);
5686: while(1) {
5687: if(src[0] == 0) {
5688: break;
5689: }
5690: int len = strlen(src);
5691: char *n = my_strtok(src, "=");
5692: char *v = src + strlen(n) + 1;
5693: char tmp[1024];
5694:
5695: if(_stricmp(name, n) == 0) {
5696: sprintf(tmp, "%s=%s", n, value);
5697: done = 1;
5698: } else {
5699: sprintf(tmp, "%s=%s", n, v);
5700: }
5701: memcpy(dst, tmp, strlen(tmp));
5702: dst += strlen(tmp) + 1;
5703: src += len + 1;
5704: }
5705: if(!done) {
5706: char tmp[1024];
5707:
5708: sprintf(tmp, "%s=%s", name, value);
5709: memcpy(dst, tmp, strlen(tmp));
5710: dst += strlen(tmp) + 1;
5711: }
5712: if(argv) {
5713: *dst++ = 0; // end of environment
5714: *dst++ = 1; // top of argv[0]
5715: *dst++ = 0;
5716: memcpy(dst, argv, strlen(argv));
5717: dst += strlen(argv);
5718: *dst++ = 0;
5719: *dst++ = 0;
5720: }
5721: }
5722:
5723: // process
5724:
1.1.1.8 root 5725: psp_t *msdos_psp_create(int psp_seg, UINT16 mcb_seg, UINT16 parent_psp, UINT16 env_seg)
1.1 root 5726: {
5727: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
5728:
5729: memset(psp, 0, PSP_SIZE);
5730: psp->exit[0] = 0xcd;
5731: psp->exit[1] = 0x20;
1.1.1.8 root 5732: psp->first_mcb = mcb_seg;
1.1 root 5733: psp->far_call = 0xea;
5734: psp->cpm_entry.w.l = 0xfff1; // int 21h, retf
5735: psp->cpm_entry.w.h = 0xf000;
5736: psp->int_22h.dw = *(UINT32 *)(mem + 4 * 0x22);
5737: psp->int_23h.dw = *(UINT32 *)(mem + 4 * 0x23);
5738: psp->int_24h.dw = *(UINT32 *)(mem + 4 * 0x24);
5739: psp->parent_psp = parent_psp;
1.1.1.20 root 5740: if(parent_psp == (UINT16)-1) {
5741: for(int i = 0; i < 20; i++) {
5742: if(file_handler[i].valid) {
5743: psp->file_table[i] = i;
5744: } else {
5745: psp->file_table[i] = 0xff;
5746: }
1.1 root 5747: }
1.1.1.20 root 5748: } else {
5749: memcpy(psp->file_table, ((psp_t *)(mem + (parent_psp << 4)))->file_table, 20);
1.1 root 5750: }
5751: psp->env_seg = env_seg;
5752: psp->stack.w.l = REG16(SP);
1.1.1.3 root 5753: psp->stack.w.h = SREG(SS);
1.1.1.14 root 5754: psp->file_table_size = 20;
5755: psp->file_table_ptr.w.l = 0x18;
5756: psp->file_table_ptr.w.h = psp_seg;
1.1 root 5757: psp->service[0] = 0xcd;
5758: psp->service[1] = 0x21;
5759: psp->service[2] = 0xcb;
5760: return(psp);
5761: }
5762:
1.1.1.20 root 5763: void msdos_psp_set_file_table(int fd, UINT8 value, int psp_seg)
5764: {
5765: if(psp_seg && fd < 20) {
5766: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
5767: psp->file_table[fd] = value;
5768: }
5769: }
5770:
5771: int msdos_psp_get_file_table(int fd, int psp_seg)
5772: {
5773: if(psp_seg && fd < 20) {
5774: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
5775: fd = psp->file_table[fd];
5776: }
5777: return fd;
5778: }
5779:
1.1 root 5780: int msdos_process_exec(char *cmd, param_block_t *param, UINT8 al)
5781: {
5782: // load command file
5783: int fd = -1;
5784: int dos_command = 0;
1.1.1.24 root 5785: char command[MAX_PATH], path[MAX_PATH], opt[MAX_PATH], *name = NULL, name_tmp[MAX_PATH];
1.1.1.38 root 5786: char pipe_stdin_path[MAX_PATH] = {0};
5787: char pipe_stdout_path[MAX_PATH] = {0};
1.1.1.39! root 5788: char pipe_stderr_path[MAX_PATH] = {0};
1.1 root 5789:
5790: int opt_ofs = (param->cmd_line.w.h << 4) + param->cmd_line.w.l;
5791: int opt_len = mem[opt_ofs];
5792: memset(opt, 0, sizeof(opt));
5793: memcpy(opt, mem + opt_ofs + 1, opt_len);
5794:
1.1.1.14 root 5795: if(strlen(cmd) >= 5 && _stricmp(&cmd[strlen(cmd) - 4], ".BAT") == 0) {
5796: // this is a batch file, run command.com
5797: char tmp[MAX_PATH];
5798: if(opt_len != 0) {
5799: sprintf(tmp, "/C %s %s", cmd, opt);
5800: } else {
5801: sprintf(tmp, "/C %s", cmd);
5802: }
5803: strcpy(opt, tmp);
5804: opt_len = strlen(opt);
5805: mem[opt_ofs] = opt_len;
5806: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
5807: strcpy(command, comspec_path);
5808: strcpy(name_tmp, "COMMAND.COM");
5809: } else {
5810: if(_stricmp(cmd, "C:\\COMMAND.COM") == 0) {
5811: // redirect C:\COMMAND.COM to comspec_path
5812: strcpy(command, comspec_path);
5813: } else {
5814: strcpy(command, cmd);
5815: }
1.1.1.24 root 5816: if(GetFullPathName(command, MAX_PATH, path, &name) == 0) {
5817: return(-1);
5818: }
1.1.1.14 root 5819: memset(name_tmp, 0, sizeof(name_tmp));
5820: strcpy(name_tmp, name);
5821:
5822: // check command.com
1.1.1.38 root 5823: if((_stricmp(name, "COMMAND.COM") == 0 || _stricmp(name, "COMMAND") == 0) && _access(comspec_path, 0) != 0) {
5824: // we can not load command.com, so run program directly if "command /c (program)" is specified
1.1.1.14 root 5825: if(opt_len == 0) {
5826: // process_t *current_process = msdos_process_info_get(current_psp);
5827: process_t *current_process = NULL;
5828: for(int i = 0; i < MAX_PROCESS; i++) {
5829: if(process[i].psp == current_psp) {
5830: current_process = &process[i];
5831: break;
5832: }
5833: }
5834: if(current_process != NULL) {
5835: param->cmd_line.dw = current_process->dta.dw;
5836: opt_ofs = (param->cmd_line.w.h << 4) + param->cmd_line.w.l;
5837: opt_len = mem[opt_ofs];
5838: memset(opt, 0, sizeof(opt));
5839: memcpy(opt, mem + opt_ofs + 1, opt_len);
5840: }
5841: }
5842: for(int i = 0; i < opt_len; i++) {
5843: if(opt[i] == ' ') {
5844: continue;
5845: }
5846: if(opt[i] == '/' && (opt[i + 1] == 'c' || opt[i + 1] == 'C') && opt[i + 2] == ' ') {
5847: for(int j = i + 3; j < opt_len; j++) {
5848: if(opt[j] == ' ') {
5849: continue;
5850: }
5851: char *token = my_strtok(opt + j, " ");
5852:
1.1.1.38 root 5853: strcpy(command, token);
5854: char tmp[MAX_PATH];
5855: strcpy(tmp, token + strlen(token) + 1);
1.1.1.39! root 5856: strcpy(opt, "");
! 5857: for(int i = 0; i < strlen(tmp); i++) {
! 5858: if(tmp[i] != ' ') {
! 5859: strcpy(opt, tmp + i);
! 5860: break;
! 5861: }
! 5862: }
! 5863: strcpy(tmp, opt);
1.1.1.38 root 5864:
5865: if(al == 0x00) {
1.1.1.39! root 5866: #define GET_FILE_PATH() { \
! 5867: if(token[0] != '>' && token[0] != '<') { \
! 5868: token++; \
! 5869: } \
! 5870: token++; \
! 5871: while(*token == ' ') { \
! 5872: token++; \
! 5873: } \
! 5874: char *ptr = token; \
! 5875: while(*ptr != ' ' && *ptr != '\r' && *ptr != '\0') { \
! 5876: ptr++; \
! 5877: } \
! 5878: *ptr = '\0'; \
! 5879: }
! 5880: if((token = strstr(opt, "0<")) != NULL || (token = strstr(opt, "<")) != NULL) {
! 5881: GET_FILE_PATH();
1.1.1.38 root 5882: strcpy(pipe_stdin_path, token);
5883: strcpy(opt, tmp);
5884: }
1.1.1.39! root 5885: if((token = strstr(opt, "1>")) != NULL || (token = strstr(opt, ">")) != NULL) {
! 5886: GET_FILE_PATH();
1.1.1.38 root 5887: strcpy(pipe_stdout_path, token);
5888: strcpy(opt, tmp);
5889: }
1.1.1.39! root 5890: if((token = strstr(opt, "2>")) != NULL) {
! 5891: GET_FILE_PATH();
! 5892: strcpy(pipe_stderr_path, token);
! 5893: strcpy(opt, tmp);
! 5894: }
! 5895: #undef GET_FILE_PATH
! 5896:
! 5897: if((token = strstr(opt, "0<")) != NULL) {
! 5898: *token = '\0';
! 5899: }
! 5900: if((token = strstr(opt, "1>")) != NULL) {
! 5901: *token = '\0';
! 5902: }
! 5903: if((token = strstr(opt, "2>")) != NULL) {
! 5904: *token = '\0';
! 5905: }
1.1.1.38 root 5906: if((token = strstr(opt, "<")) != NULL) {
5907: *token = '\0';
5908: }
5909: if((token = strstr(opt, ">")) != NULL) {
5910: *token = '\0';
5911: }
1.1.1.14 root 5912: }
1.1.1.39! root 5913: for(int i = strlen(opt) - 1; i >= 0 && opt[i] == ' '; i--) {
! 5914: opt[i] = '\0';
! 5915: }
1.1.1.38 root 5916: opt_len = strlen(opt);
5917: mem[opt_ofs] = opt_len;
5918: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
5919: dos_command = 1;
1.1.1.14 root 5920: break;
1.1 root 5921: }
5922: }
1.1.1.14 root 5923: break;
1.1 root 5924: }
5925: }
5926: }
5927:
5928: // load command file
5929: strcpy(path, command);
5930: if((fd = _open(path, _O_RDONLY | _O_BINARY)) == -1) {
5931: sprintf(path, "%s.COM", command);
5932: if((fd = _open(path, _O_RDONLY | _O_BINARY)) == -1) {
5933: sprintf(path, "%s.EXE", command);
5934: if((fd = _open(path, _O_RDONLY | _O_BINARY)) == -1) {
1.1.1.14 root 5935: sprintf(path, "%s.BAT", command);
5936: if(_access(path, 0) == 0) {
5937: // this is a batch file, run command.com
5938: char tmp[MAX_PATH];
5939: if(opt_len != 0) {
5940: sprintf(tmp, "/C %s %s", path, opt);
5941: } else {
5942: sprintf(tmp, "/C %s", path);
5943: }
5944: strcpy(opt, tmp);
5945: opt_len = strlen(opt);
5946: mem[opt_ofs] = opt_len;
5947: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
5948: strcpy(path, comspec_path);
5949: strcpy(name_tmp, "COMMAND.COM");
5950: fd = _open(path, _O_RDONLY | _O_BINARY);
5951: } else {
5952: // search path in parent environments
5953: psp_t *parent_psp = (psp_t *)(mem + (current_psp << 4));
5954: char *env = msdos_env_get(parent_psp->env_seg, "PATH");
5955: if(env != NULL) {
5956: char env_path[4096];
5957: strcpy(env_path, env);
5958: char *token = my_strtok(env_path, ";");
5959:
5960: while(token != NULL) {
5961: if(strlen(token) != 0) {
5962: sprintf(path, "%s", msdos_combine_path(token, command));
5963: if((fd = _open(path, _O_RDONLY | _O_BINARY)) != -1) {
5964: break;
5965: }
5966: sprintf(path, "%s.COM", msdos_combine_path(token, command));
5967: if((fd = _open(path, _O_RDONLY | _O_BINARY)) != -1) {
5968: break;
5969: }
5970: sprintf(path, "%s.EXE", msdos_combine_path(token, command));
5971: if((fd = _open(path, _O_RDONLY | _O_BINARY)) != -1) {
5972: break;
5973: }
5974: sprintf(path, "%s.BAT", msdos_combine_path(token, command));
5975: if(_access(path, 0) == 0) {
5976: // this is a batch file, run command.com
5977: char tmp[MAX_PATH];
5978: if(opt_len != 0) {
5979: sprintf(tmp, "/C %s %s", path, opt);
5980: } else {
5981: sprintf(tmp, "/C %s", path);
5982: }
5983: strcpy(opt, tmp);
5984: opt_len = strlen(opt);
5985: mem[opt_ofs] = opt_len;
5986: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
5987: strcpy(path, comspec_path);
5988: strcpy(name_tmp, "COMMAND.COM");
5989: fd = _open(path, _O_RDONLY | _O_BINARY);
5990: break;
5991: }
1.1.1.8 root 5992: }
1.1.1.14 root 5993: token = my_strtok(NULL, ";");
1.1 root 5994: }
5995: }
5996: }
5997: }
5998: }
5999: }
6000: if(fd == -1) {
1.1.1.38 root 6001: // we can not find command.com in the path, so open comspec_path
6002: if(_stricmp(command, "COMMAND.COM") == 0 || _stricmp(command, "COMMAND") == 0) {
6003: strcpy(command, comspec_path);
6004: strcpy(path, command);
6005: fd = _open(path, _O_RDONLY | _O_BINARY);
6006: }
6007: }
6008: if(fd == -1) {
1.1 root 6009: if(dos_command) {
6010: // may be dos command
6011: char tmp[MAX_PATH];
6012: sprintf(tmp, "%s %s", command, opt);
6013: system(tmp);
6014: return(0);
6015: } else {
6016: return(-1);
6017: }
6018: }
6019: _read(fd, file_buffer, sizeof(file_buffer));
6020: _close(fd);
6021:
6022: // copy environment
1.1.1.29 root 6023: int umb_linked, env_seg, psp_seg;
1.1 root 6024:
1.1.1.29 root 6025: if((umb_linked = msdos_mem_get_umb_linked()) != 0) {
6026: msdos_mem_unlink_umb();
6027: }
1.1.1.8 root 6028: if((env_seg = msdos_mem_alloc(first_mcb, ENV_SIZE >> 4, 1)) == -1) {
1.1.1.29 root 6029: if((env_seg = msdos_mem_alloc(UMB_TOP >> 4, ENV_SIZE >> 4, 1)) == -1) {
6030: if(umb_linked != 0) {
6031: msdos_mem_link_umb();
6032: }
6033: return(-1);
6034: }
1.1 root 6035: }
6036: if(param->env_seg == 0) {
6037: psp_t *parent_psp = (psp_t *)(mem + (current_psp << 4));
6038: memcpy(mem + (env_seg << 4), mem + (parent_psp->env_seg << 4), ENV_SIZE);
6039: } else {
6040: memcpy(mem + (env_seg << 4), mem + (param->env_seg << 4), ENV_SIZE);
6041: }
6042: msdos_env_set_argv(env_seg, msdos_short_full_path(path));
6043:
6044: // check exe header
6045: exe_header_t *header = (exe_header_t *)file_buffer;
1.1.1.8 root 6046: int paragraphs, free_paragraphs = msdos_mem_get_free(first_mcb, 1);
1.1 root 6047: UINT16 cs, ss, ip, sp;
6048:
6049: if(header->mz == 0x4d5a || header->mz == 0x5a4d) {
6050: // memory allocation
6051: int header_size = header->header_size * 16;
6052: int load_size = header->pages * 512 - header_size;
6053: if(header_size + load_size < 512) {
6054: load_size = 512 - header_size;
6055: }
6056: paragraphs = (PSP_SIZE + load_size) >> 4;
6057: if(paragraphs + header->min_alloc > free_paragraphs) {
6058: msdos_mem_free(env_seg);
6059: return(-1);
6060: }
6061: paragraphs += header->max_alloc ? header->max_alloc : header->min_alloc;
6062: if(paragraphs > free_paragraphs) {
6063: paragraphs = free_paragraphs;
6064: }
1.1.1.8 root 6065: if((psp_seg = msdos_mem_alloc(first_mcb, paragraphs, 1)) == -1) {
1.1.1.29 root 6066: if((psp_seg = msdos_mem_alloc(UMB_TOP >> 4, paragraphs, 1)) == -1) {
6067: if(umb_linked != 0) {
6068: msdos_mem_link_umb();
6069: }
6070: msdos_mem_free(env_seg);
6071: return(-1);
6072: }
1.1 root 6073: }
6074: // relocation
6075: int start_seg = psp_seg + (PSP_SIZE >> 4);
6076: for(int i = 0; i < header->relocations; i++) {
6077: int ofs = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 0);
6078: int seg = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 2);
6079: *(UINT16 *)(file_buffer + header_size + (seg << 4) + ofs) += start_seg;
6080: }
6081: memcpy(mem + (start_seg << 4), file_buffer + header_size, load_size);
6082: // segments
6083: cs = header->init_cs + start_seg;
6084: ss = header->init_ss + start_seg;
6085: ip = header->init_ip;
6086: sp = header->init_sp - 2; // for symdeb
6087: } else {
6088: // memory allocation
6089: paragraphs = free_paragraphs;
1.1.1.8 root 6090: if((psp_seg = msdos_mem_alloc(first_mcb, paragraphs, 1)) == -1) {
1.1.1.29 root 6091: if((psp_seg = msdos_mem_alloc(UMB_TOP >> 4, paragraphs, 1)) == -1) {
6092: if(umb_linked != 0) {
6093: msdos_mem_link_umb();
6094: }
6095: msdos_mem_free(env_seg);
6096: return(-1);
6097: }
1.1 root 6098: }
6099: int start_seg = psp_seg + (PSP_SIZE >> 4);
6100: memcpy(mem + (start_seg << 4), file_buffer, 0x10000 - PSP_SIZE);
6101: // segments
6102: cs = ss = psp_seg;
6103: ip = 0x100;
6104: sp = 0xfffe;
6105: }
1.1.1.29 root 6106: if(umb_linked != 0) {
6107: msdos_mem_link_umb();
6108: }
1.1 root 6109:
6110: // create psp
1.1.1.3 root 6111: *(UINT16 *)(mem + 4 * 0x22 + 0) = m_eip;
6112: *(UINT16 *)(mem + 4 * 0x22 + 2) = SREG(CS);
1.1 root 6113: psp_t *psp = msdos_psp_create(psp_seg, psp_seg + paragraphs, current_psp, env_seg);
6114: memcpy(psp->fcb1, mem + (param->fcb1.w.h << 4) + param->fcb1.w.l, sizeof(psp->fcb1));
6115: memcpy(psp->fcb2, mem + (param->fcb2.w.h << 4) + param->fcb2.w.l, sizeof(psp->fcb2));
6116: memcpy(psp->buffer, mem + (param->cmd_line.w.h << 4) + param->cmd_line.w.l, sizeof(psp->buffer));
6117:
6118: mcb_t *mcb_env = (mcb_t *)(mem + ((env_seg - 1) << 4));
6119: mcb_t *mcb_psp = (mcb_t *)(mem + ((psp_seg - 1) << 4));
6120: mcb_psp->psp = mcb_env->psp = psp_seg;
6121:
1.1.1.4 root 6122: for(int i = 0; i < 8; i++) {
6123: if(name_tmp[i] == '.') {
6124: mcb_psp->prog_name[i] = '\0';
6125: break;
6126: } else if(i < 7 && msdos_lead_byte_check(name_tmp[i])) {
6127: mcb_psp->prog_name[i] = name_tmp[i];
6128: i++;
6129: mcb_psp->prog_name[i] = name_tmp[i];
6130: } else if(name_tmp[i] >= 'a' && name_tmp[i] <= 'z') {
6131: mcb_psp->prog_name[i] = name_tmp[i] - 'a' + 'A';
6132: } else {
6133: mcb_psp->prog_name[i] = name_tmp[i];
6134: }
6135: }
6136:
1.1 root 6137: // process info
6138: process_t *process = msdos_process_info_create(psp_seg);
6139: strcpy(process->module_dir, msdos_short_full_dir(path));
1.1.1.33 root 6140: #ifdef USE_DEBUGGER
6141: strcpy(process->module_path, path);
6142: #endif
1.1 root 6143: process->dta.w.l = 0x80;
6144: process->dta.w.h = psp_seg;
6145: process->switchar = '/';
6146: process->max_files = 20;
6147: process->parent_int_10h_feh_called = int_10h_feh_called;
6148: process->parent_int_10h_ffh_called = int_10h_ffh_called;
1.1.1.14 root 6149: process->parent_ds = SREG(DS);
1.1.1.31 root 6150: process->parent_es = SREG(ES);
1.1 root 6151:
6152: current_psp = psp_seg;
1.1.1.23 root 6153: msdos_sda_update(current_psp);
1.1 root 6154:
6155: if(al == 0x00) {
6156: int_10h_feh_called = int_10h_ffh_called = false;
6157:
1.1.1.38 root 6158: // pipe
6159: if(pipe_stdin_path[0] != '\0') {
6160: if((fd = _open(pipe_stdin_path, _O_RDONLY | _O_BINARY)) != -1) {
6161: UINT16 info = msdos_drive_number(pipe_stdin_path);
6162: msdos_file_handler_open(fd, pipe_stdin_path, _isatty(fd), 0, info, current_psp);
6163: psp->file_table[0] = fd;
6164: msdos_psp_set_file_table(fd, fd, current_psp);
6165: }
6166: }
6167: if(pipe_stdout_path[0] != '\0') {
6168: if(_access(pipe_stdout_path, 0) == 0) {
6169: SetFileAttributes(pipe_stdout_path, FILE_ATTRIBUTE_NORMAL);
6170: DeleteFile(pipe_stdout_path);
6171: }
6172: if((fd = _open(pipe_stdout_path, _O_WRONLY | _O_BINARY | _O_CREAT)) != -1) {
6173: UINT16 info = msdos_drive_number(pipe_stdout_path);
6174: msdos_file_handler_open(fd, pipe_stdout_path, _isatty(fd), 1, info, current_psp);
6175: psp->file_table[1] = fd;
6176: msdos_psp_set_file_table(fd, fd, current_psp);
6177: }
6178: }
1.1.1.39! root 6179: if(pipe_stderr_path[0] != '\0') {
! 6180: if(_access(pipe_stderr_path, 0) == 0) {
! 6181: SetFileAttributes(pipe_stderr_path, FILE_ATTRIBUTE_NORMAL);
! 6182: DeleteFile(pipe_stderr_path);
! 6183: }
! 6184: if((fd = _open(pipe_stderr_path, _O_WRONLY | _O_BINARY | _O_CREAT)) != -1) {
! 6185: UINT16 info = msdos_drive_number(pipe_stderr_path);
! 6186: msdos_file_handler_open(fd, pipe_stderr_path, _isatty(fd), 2, info, current_psp);
! 6187: psp->file_table[2] = fd;
! 6188: msdos_psp_set_file_table(fd, fd, current_psp);
! 6189: }
! 6190: }
1.1.1.38 root 6191:
1.1 root 6192: // registers and segments
6193: REG16(AX) = REG16(BX) = 0x00;
6194: REG16(CX) = 0xff;
6195: REG16(DX) = psp_seg;
6196: REG16(SI) = ip;
6197: REG16(DI) = sp;
6198: REG16(SP) = sp;
1.1.1.3 root 6199: SREG(DS) = SREG(ES) = psp_seg;
6200: SREG(SS) = ss;
6201: i386_load_segment_descriptor(DS);
6202: i386_load_segment_descriptor(ES);
6203: i386_load_segment_descriptor(SS);
1.1 root 6204:
6205: *(UINT16 *)(mem + (ss << 4) + sp) = 0;
6206: i386_jmp_far(cs, ip);
6207: } else if(al == 0x01) {
6208: // copy ss:sp and cs:ip to param block
6209: param->sp = sp;
6210: param->ss = ss;
6211: param->ip = ip;
6212: param->cs = cs;
1.1.1.31 root 6213:
6214: // the AX value to be passed to the child program is put on top of the child's stack
6215: *(UINT16 *)(mem + (ss << 4) + sp) = REG16(AX);
1.1 root 6216: }
6217: return(0);
6218: }
6219:
6220: void msdos_process_terminate(int psp_seg, int ret, int mem_free)
6221: {
6222: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
6223:
6224: *(UINT32 *)(mem + 4 * 0x22) = psp->int_22h.dw;
6225: *(UINT32 *)(mem + 4 * 0x23) = psp->int_23h.dw;
6226: *(UINT32 *)(mem + 4 * 0x24) = psp->int_24h.dw;
6227:
1.1.1.3 root 6228: SREG(SS) = psp->stack.w.h;
6229: i386_load_segment_descriptor(SS);
1.1 root 6230: REG16(SP) = psp->stack.w.l;
6231: i386_jmp_far(psp->int_22h.w.h, psp->int_22h.w.l);
6232:
1.1.1.28 root 6233: // process_t *current_process = msdos_process_info_get(psp_seg);
6234: process_t *current_process = NULL;
6235: for(int i = 0; i < MAX_PROCESS; i++) {
6236: if(process[i].psp == psp_seg) {
6237: current_process = &process[i];
6238: break;
6239: }
6240: }
6241: if(current_process == NULL) {
6242: throw(0x1f); // general failure
6243: }
6244: int_10h_feh_called = current_process->parent_int_10h_feh_called;
6245: int_10h_ffh_called = current_process->parent_int_10h_ffh_called;
6246: if(current_process->called_by_int2eh) {
6247: REG16(AX) = ret;
6248: }
6249: SREG(DS) = current_process->parent_ds;
1.1.1.31 root 6250: SREG(ES) = current_process->parent_es;
1.1.1.14 root 6251: i386_load_segment_descriptor(DS);
1.1.1.31 root 6252: i386_load_segment_descriptor(ES);
1.1 root 6253:
6254: if(mem_free) {
1.1.1.8 root 6255: int mcb_seg;
6256: while((mcb_seg = msdos_mem_get_last_mcb(first_mcb, psp_seg)) != -1) {
6257: msdos_mem_free(mcb_seg + 1);
6258: }
6259: while((mcb_seg = msdos_mem_get_last_mcb(UMB_TOP >> 4, psp_seg)) != -1) {
6260: msdos_mem_free(mcb_seg + 1);
6261: }
1.1 root 6262:
6263: for(int i = 0; i < MAX_FILES; i++) {
6264: if(file_handler[i].valid && file_handler[i].psp == psp_seg) {
6265: _close(i);
1.1.1.20 root 6266: msdos_file_handler_close(i);
6267: msdos_psp_set_file_table(i, 0x0ff, psp_seg); // FIXME: consider duplicated file handles
1.1 root 6268: }
6269: }
1.1.1.13 root 6270: msdos_dta_info_free(psp_seg);
1.1 root 6271: }
1.1.1.14 root 6272: msdos_stdio_reopen();
1.1 root 6273:
1.1.1.28 root 6274: memset(current_process, 0, sizeof(process_t));
1.1 root 6275:
6276: current_psp = psp->parent_psp;
6277: retval = ret;
1.1.1.23 root 6278: msdos_sda_update(current_psp);
1.1 root 6279: }
6280:
6281: // drive
6282:
6283: int msdos_drive_param_block_update(int drive_num, UINT16 *seg, UINT16 *ofs, int force_update)
6284: {
6285: *seg = DPB_TOP >> 4;
6286: *ofs = sizeof(dpb_t) * drive_num;
6287: dpb_t *dpb = (dpb_t *)(mem + (*seg << 4) + *ofs);
6288:
6289: if(!force_update && dpb->free_clusters != 0) {
6290: return(dpb->bytes_per_sector ? 1 : 0);
6291: }
6292: memset(dpb, 0, sizeof(dpb_t));
6293:
6294: int res = 0;
6295: char dev[64];
6296: sprintf(dev, "\\\\.\\%c:", 'A' + drive_num);
6297:
1.1.1.17 root 6298: HANDLE hFile = CreateFile(dev, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1.1 root 6299: if(hFile != INVALID_HANDLE_VALUE) {
6300: DISK_GEOMETRY geo;
6301: DWORD dwSize;
6302: if(DeviceIoControl(hFile, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0, &geo, sizeof(geo), &dwSize, NULL)) {
6303: dpb->bytes_per_sector = (UINT16)geo.BytesPerSector;
6304: dpb->highest_sector_num = (UINT8)(geo.SectorsPerTrack - 1);
6305: dpb->highest_cluster_num = (UINT16)(geo.TracksPerCylinder * geo.Cylinders.QuadPart + 1);
1.1.1.14 root 6306: dpb->maximum_cluster_num = (UINT32)(geo.TracksPerCylinder * geo.Cylinders.QuadPart + 1);
1.1 root 6307: switch(geo.MediaType) {
6308: case F5_320_512: // floppy, double-sided, 8 sectors per track (320K)
6309: dpb->media_type = 0xff;
6310: break;
6311: case F5_160_512: // floppy, single-sided, 8 sectors per track (160K)
6312: dpb->media_type = 0xfe;
6313: break;
6314: case F5_360_512: // floppy, double-sided, 9 sectors per track (360K)
6315: dpb->media_type = 0xfd;
6316: break;
6317: case F5_180_512: // floppy, single-sided, 9 sectors per track (180K)
6318: dpb->media_type = 0xfc;
6319: break;
6320: case F5_1Pt2_512: // floppy, double-sided, 15 sectors per track (1.2M)
6321: case F3_720_512: // floppy, double-sided, 9 sectors per track (720K,3.5")
6322: dpb->media_type = 0xf9;
6323: break;
6324: case FixedMedia: // hard disk
6325: case RemovableMedia:
1.1.1.19 root 6326: case Unknown:
1.1 root 6327: dpb->media_type = 0xf8;
6328: break;
6329: default:
6330: dpb->media_type = 0xf0;
6331: break;
6332: }
6333: res = 1;
6334: }
6335: dpb->drive_num = drive_num;
6336: dpb->unit_num = drive_num;
6337: dpb->next_dpb_ofs = *ofs + sizeof(dpb_t);
6338: dpb->next_dpb_seg = *seg;
1.1.1.14 root 6339: dpb->info_sector = 0xffff;
6340: dpb->backup_boot_sector = 0xffff;
1.1 root 6341: dpb->free_clusters = 0xffff;
1.1.1.14 root 6342: dpb->free_search_cluster = 0xffffffff;
1.1 root 6343: CloseHandle(hFile);
6344: }
6345: return(res);
6346: }
6347:
6348: // pc bios
6349:
1.1.1.35 root 6350: #ifdef USE_SERVICE_THREAD
6351: void start_service_loop(LPTHREAD_START_ROUTINE lpStartAddress)
6352: {
6353: #if defined(HAS_I386)
6354: if(m_SF != 0) {
6355: m_SF = 0;
6356: mem[0xfffd0 + 0x15] = 0x79; // jns -4
6357: } else {
6358: m_SF = 1;
6359: mem[0xfffd0 + 0x15] = 0x78; // js -4
6360: }
6361: #else
6362: if(m_SignVal < 0) {
6363: m_SignVal = 0;
6364: mem[0xfffd0 + 0x15] = 0x79; // jns -4
6365: } else {
6366: m_SignVal = -1;
6367: mem[0xfffd0 + 0x15] = 0x78; // js -4
6368: }
6369: #endif
6370: i386_call_far(0xfffd, 0x0013);
6371: in_service = true;
6372: service_exit = false;
6373: CloseHandle(CreateThread(NULL, 0, lpStartAddress, NULL, 0, NULL));
6374: }
6375:
6376: void finish_service_loop()
6377: {
6378: if(in_service && service_exit) {
6379: #if defined(HAS_I386)
6380: if(m_SF != 0) {
6381: m_SF = 0;
6382: } else {
6383: m_SF = 1;
6384: }
6385: #else
6386: if(m_SignVal < 0) {
6387: m_SignVal = 0;
6388: } else {
6389: m_SignVal = -1;
6390: }
6391: #endif
6392: in_service = false;
6393: }
6394: }
6395: #endif
6396:
1.1.1.19 root 6397: UINT32 get_ticks_since_midnight(UINT32 cur_msec)
6398: {
6399: static unsigned __int64 start_msec_since_midnight = 0;
6400: static unsigned __int64 start_msec_since_hostboot = 0;
6401:
6402: if(start_msec_since_midnight == 0) {
6403: SYSTEMTIME time;
6404: GetLocalTime(&time);
6405: start_msec_since_midnight = ((time.wHour * 60 + time.wMinute) * 60 + time.wSecond) * 1000 + time.wMilliseconds;
6406: start_msec_since_hostboot = cur_msec;
6407: }
6408: unsigned __int64 msec = (start_msec_since_midnight + cur_msec - start_msec_since_hostboot) % (24 * 60 * 60 * 1000);
6409: unsigned __int64 tick = msec * 0x1800b0 / (24 * 60 * 60 * 1000);
6410: return (UINT32)tick;
6411: }
6412:
6413: void pcbios_update_daily_timer_counter(UINT32 cur_msec)
6414: {
6415: UINT32 prev_tick = *(UINT32 *)(mem + 0x46c);
6416: UINT32 next_tick = get_ticks_since_midnight(cur_msec);
6417:
6418: if(prev_tick > next_tick) {
6419: mem[0x470] = 1;
6420: }
6421: *(UINT32 *)(mem + 0x46c) = next_tick;
6422: }
6423:
1.1.1.14 root 6424: inline void pcbios_irq0()
6425: {
6426: //++*(UINT32 *)(mem + 0x46c);
1.1.1.19 root 6427: pcbios_update_daily_timer_counter(timeGetTime());
1.1.1.14 root 6428: }
6429:
1.1.1.16 root 6430: int pcbios_get_text_vram_address(int page)
1.1 root 6431: {
6432: if(/*mem[0x449] == 0x03 || */mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.8 root 6433: return TEXT_VRAM_TOP;
1.1 root 6434: } else {
1.1.1.14 root 6435: return TEXT_VRAM_TOP + VIDEO_REGEN * (page % vram_pages);
1.1 root 6436: }
6437: }
6438:
1.1.1.16 root 6439: int pcbios_get_shadow_buffer_address(int page)
1.1 root 6440: {
1.1.1.14 root 6441: if(!int_10h_feh_called) {
1.1.1.16 root 6442: return pcbios_get_text_vram_address(page);
1.1.1.14 root 6443: } else if(/*mem[0x449] == 0x03 || */mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.8 root 6444: return SHADOW_BUF_TOP;
6445: } else {
1.1.1.14 root 6446: return SHADOW_BUF_TOP + VIDEO_REGEN * (page % vram_pages);
1.1.1.8 root 6447: }
6448: }
6449:
1.1.1.16 root 6450: int pcbios_get_shadow_buffer_address(int page, int x, int y)
1.1.1.8 root 6451: {
1.1.1.16 root 6452: return pcbios_get_shadow_buffer_address(page) + (x + y * scr_width) * 2;
1.1 root 6453: }
6454:
1.1.1.16 root 6455: void pcbios_set_console_size(int width, int height, bool clr_screen)
1.1 root 6456: {
1.1.1.14 root 6457: // clear the existing screen, not just the new one
6458: int clr_height = max(height, scr_height);
6459:
1.1.1.16 root 6460: if(scr_width != width || scr_height != height) {
6461: change_console_size(width, height);
1.1.1.14 root 6462: }
6463: mem[0x462] = 0;
6464: *(UINT16 *)(mem + 0x44e) = 0;
6465:
1.1.1.16 root 6466: text_vram_top_address = pcbios_get_text_vram_address(0);
6467: text_vram_end_address = text_vram_top_address + width * height * 2;
6468: shadow_buffer_top_address = pcbios_get_shadow_buffer_address(0);
6469: shadow_buffer_end_address = shadow_buffer_top_address + width * height * 2;
1.1 root 6470:
1.1.1.23 root 6471: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.16 root 6472: if(clr_screen) {
1.1.1.14 root 6473: for(int ofs = shadow_buffer_top_address; ofs < shadow_buffer_end_address;) {
6474: mem[ofs++] = 0x20;
6475: mem[ofs++] = 0x07;
6476: }
6477:
1.1.1.35 root 6478: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6479: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 6480: #endif
1.1.1.14 root 6481: for(int y = 0; y < clr_height; y++) {
6482: for(int x = 0; x < scr_width; x++) {
6483: SCR_BUF(y,x).Char.AsciiChar = ' ';
6484: SCR_BUF(y,x).Attributes = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
1.1 root 6485: }
6486: }
6487: SMALL_RECT rect;
1.1.1.14 root 6488: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + clr_height - 1);
6489: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
6490: vram_length_char = vram_last_length_char = 0;
6491: vram_length_attr = vram_last_length_attr = 0;
1.1.1.35 root 6492: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6493: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 6494: #endif
1.1 root 6495: }
1.1.1.14 root 6496: COORD co;
6497: co.X = 0;
6498: co.Y = scr_top;
6499: SetConsoleCursorPosition(hStdout, co);
6500: cursor_moved = true;
6501: SetConsoleTextAttribute(hStdout, FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
1.1 root 6502: }
6503:
1.1.1.36 root 6504: void pcbios_update_cursor_position()
6505: {
6506: CONSOLE_SCREEN_BUFFER_INFO csbi;
6507: GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
6508: if(!restore_console_on_exit) {
6509: scr_top = csbi.srWindow.Top;
6510: }
6511: mem[0x450 + mem[0x462] * 2] = csbi.dwCursorPosition.X;
6512: mem[0x451 + mem[0x462] * 2] = csbi.dwCursorPosition.Y - scr_top;
6513: }
6514:
1.1.1.16 root 6515: inline void pcbios_int_10h_00h()
6516: {
6517: switch(REG8(AL) & 0x7f) {
6518: case 0x70: // v-text mode
6519: case 0x71: // extended cga v-text mode
6520: pcbios_set_console_size(scr_width, scr_height, !(REG8(AL) & 0x80));
6521: break;
6522: default:
6523: pcbios_set_console_size(80, 25, !(REG8(AL) & 0x80));
6524: break;
6525: }
6526: if(REG8(AL) & 0x80) {
6527: mem[0x487] |= 0x80;
6528: } else {
6529: mem[0x487] &= ~0x80;
6530: }
6531: mem[0x449] = REG8(AL) & 0x7f;
6532: }
6533:
1.1 root 6534: inline void pcbios_int_10h_01h()
6535: {
1.1.1.13 root 6536: mem[0x460] = REG8(CL);
6537: mem[0x461] = REG8(CH);
1.1.1.14 root 6538:
1.1.1.23 root 6539: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 6540: CONSOLE_CURSOR_INFO ci;
6541: GetConsoleCursorInfo(hStdout, &ci);
6542: // ci.bVisible = !(REG8(CH) & 0x60) && REG8(CH) <= REG8(CL);
6543: // if(ci.bVisible) {
6544: int lines = max(8, REG8(CL) + 1);
6545: ci.dwSize = (REG8(CL) - REG8(CH) + 1) * 100 / lines;
6546: // }
6547: SetConsoleCursorInfo(hStdout, &ci);
1.1 root 6548: }
6549:
6550: inline void pcbios_int_10h_02h()
6551: {
1.1.1.14 root 6552: // continuously setting the cursor effectively stops it blinking
6553: if(mem[0x462] == REG8(BH) && (REG8(DL) != mem[0x450 + REG8(BH) * 2] || REG8(DH) != mem[0x451 + REG8(BH) * 2])) {
1.1 root 6554: COORD co;
6555: co.X = REG8(DL);
1.1.1.14 root 6556: co.Y = REG8(DH) + scr_top;
6557:
6558: // some programs hide the cursor by moving it off screen
6559: static bool hidden = false;
1.1.1.23 root 6560: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 6561: CONSOLE_CURSOR_INFO ci;
6562: GetConsoleCursorInfo(hStdout, &ci);
6563:
6564: if(REG8(DH) >= scr_height || !SetConsoleCursorPosition(hStdout, co)) {
6565: if(ci.bVisible) {
6566: ci.bVisible = FALSE;
6567: // SetConsoleCursorInfo(hStdout, &ci);
6568: hidden = true;
6569: }
6570: } else if(hidden) {
6571: if(!ci.bVisible) {
6572: ci.bVisible = TRUE;
6573: // SetConsoleCursorInfo(hStdout, &ci);
6574: }
6575: hidden = false;
6576: }
1.1 root 6577: }
1.1.1.14 root 6578: mem[0x450 + (REG8(BH) % vram_pages) * 2] = REG8(DL);
6579: mem[0x451 + (REG8(BH) % vram_pages) * 2] = REG8(DH);
1.1 root 6580: }
6581:
6582: inline void pcbios_int_10h_03h()
6583: {
1.1.1.14 root 6584: REG8(DL) = mem[0x450 + (REG8(BH) % vram_pages) * 2];
6585: REG8(DH) = mem[0x451 + (REG8(BH) % vram_pages) * 2];
1.1 root 6586: REG8(CL) = mem[0x460];
6587: REG8(CH) = mem[0x461];
6588: }
6589:
6590: inline void pcbios_int_10h_05h()
6591: {
1.1.1.14 root 6592: if(REG8(AL) >= vram_pages) {
6593: return;
6594: }
6595: if(mem[0x462] != REG8(AL)) {
6596: vram_flush();
6597:
1.1.1.23 root 6598: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 6599: SMALL_RECT rect;
1.1.1.14 root 6600: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + scr_height - 1);
6601: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 6602:
1.1.1.16 root 6603: for(int y = 0, ofs = pcbios_get_shadow_buffer_address(mem[0x462]); y < scr_height; y++) {
1.1.1.14 root 6604: for(int x = 0; x < scr_width; x++) {
6605: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar;
6606: mem[ofs++] = SCR_BUF(y,x).Attributes;
1.1 root 6607: }
6608: }
1.1.1.16 root 6609: for(int y = 0, ofs = pcbios_get_shadow_buffer_address(REG8(AL)); y < scr_height; y++) {
1.1.1.14 root 6610: for(int x = 0; x < scr_width; x++) {
6611: SCR_BUF(y,x).Char.AsciiChar = mem[ofs++];
6612: SCR_BUF(y,x).Attributes = mem[ofs++];
1.1 root 6613: }
6614: }
1.1.1.14 root 6615: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 6616:
6617: COORD co;
1.1.1.14 root 6618: co.X = mem[0x450 + REG8(AL) * 2];
6619: co.Y = mem[0x451 + REG8(AL) * 2] + scr_top;
6620: if(co.Y < scr_top + scr_height) {
6621: SetConsoleCursorPosition(hStdout, co);
6622: }
1.1 root 6623: }
1.1.1.14 root 6624: mem[0x462] = REG8(AL);
6625: *(UINT16 *)(mem + 0x44e) = REG8(AL) * VIDEO_REGEN;
6626: int regen = min(scr_width * scr_height * 2, 0x8000);
1.1.1.16 root 6627: text_vram_top_address = pcbios_get_text_vram_address(mem[0x462]);
1.1.1.14 root 6628: text_vram_end_address = text_vram_top_address + regen;
1.1.1.16 root 6629: shadow_buffer_top_address = pcbios_get_shadow_buffer_address(mem[0x462]);
1.1.1.14 root 6630: shadow_buffer_end_address = shadow_buffer_top_address + regen;
1.1 root 6631: }
6632:
6633: inline void pcbios_int_10h_06h()
6634: {
1.1.1.14 root 6635: if(REG8(CH) >= scr_height || REG8(CH) > REG8(DH) ||
6636: REG8(CL) >= scr_width || REG8(CL) > REG8(DL)) {
6637: return;
6638: }
6639: vram_flush();
6640:
1.1.1.23 root 6641: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 6642: SMALL_RECT rect;
1.1.1.14 root 6643: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + scr_height - 1);
6644: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
6645:
6646: int right = min(REG8(DL), scr_width - 1);
6647: int bottom = min(REG8(DH), scr_height - 1);
1.1 root 6648:
6649: if(REG8(AL) == 0) {
1.1.1.14 root 6650: for(int y = REG8(CH); y <= bottom; y++) {
1.1.1.16 root 6651: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 6652: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar = ' ';
6653: mem[ofs++] = SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 6654: }
6655: }
6656: } else {
1.1.1.14 root 6657: for(int y = REG8(CH), y2 = min(REG8(CH) + REG8(AL), bottom + 1); y <= bottom; y++, y2++) {
1.1.1.16 root 6658: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 6659: if(y2 <= bottom) {
6660: SCR_BUF(y,x) = SCR_BUF(y2,x);
1.1 root 6661: } else {
1.1.1.14 root 6662: SCR_BUF(y,x).Char.AsciiChar = ' ';
6663: SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 6664: }
1.1.1.14 root 6665: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar;
6666: mem[ofs++] = SCR_BUF(y,x).Attributes;
1.1 root 6667: }
6668: }
6669: }
1.1.1.14 root 6670: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 6671: }
6672:
6673: inline void pcbios_int_10h_07h()
6674: {
1.1.1.14 root 6675: if(REG8(CH) >= scr_height || REG8(CH) > REG8(DH) ||
6676: REG8(CL) >= scr_width || REG8(CL) > REG8(DL)) {
6677: return;
6678: }
6679: vram_flush();
6680:
1.1.1.23 root 6681: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 6682: SMALL_RECT rect;
1.1.1.14 root 6683: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + scr_height - 1);
6684: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
6685:
6686: int right = min(REG8(DL), scr_width - 1);
6687: int bottom = min(REG8(DH), scr_height - 1);
1.1 root 6688:
6689: if(REG8(AL) == 0) {
1.1.1.14 root 6690: for(int y = REG8(CH); y <= bottom; y++) {
1.1.1.16 root 6691: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 6692: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar = ' ';
6693: mem[ofs++] = SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 6694: }
6695: }
6696: } else {
1.1.1.14 root 6697: for(int y = bottom, y2 = max(REG8(CH) - 1, bottom - REG8(AL)); y >= REG8(CH); y--, y2--) {
1.1.1.16 root 6698: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 6699: if(y2 >= REG8(CH)) {
6700: SCR_BUF(y,x) = SCR_BUF(y2,x);
1.1 root 6701: } else {
1.1.1.14 root 6702: SCR_BUF(y,x).Char.AsciiChar = ' ';
6703: SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 6704: }
1.1.1.14 root 6705: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar;
6706: mem[ofs++] = SCR_BUF(y,x).Attributes;
1.1 root 6707: }
6708: }
6709: }
1.1.1.14 root 6710: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 6711: }
6712:
6713: inline void pcbios_int_10h_08h()
6714: {
6715: COORD co;
6716: DWORD num;
6717:
1.1.1.14 root 6718: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
6719: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
1.1 root 6720:
6721: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 6722: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 6723: co.Y += scr_top;
6724: vram_flush();
1.1 root 6725: ReadConsoleOutputCharacter(hStdout, scr_char, 1, co, &num);
6726: ReadConsoleOutputAttribute(hStdout, scr_attr, 1, co, &num);
6727: REG8(AL) = scr_char[0];
6728: REG8(AH) = scr_attr[0];
6729: } else {
1.1.1.16 root 6730: REG16(AX) = *(UINT16 *)(mem + pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y));
1.1 root 6731: }
6732: }
6733:
6734: inline void pcbios_int_10h_09h()
6735: {
6736: COORD co;
6737:
1.1.1.14 root 6738: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
6739: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
6740:
1.1.1.16 root 6741: int dest = pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y);
6742: int end = min(dest + REG16(CX) * 2, pcbios_get_shadow_buffer_address(REG8(BH), 0, scr_height));
1.1 root 6743:
6744: if(mem[0x462] == REG8(BH)) {
1.1.1.35 root 6745: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6746: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 6747: #endif
1.1.1.16 root 6748: int vram = pcbios_get_shadow_buffer_address(REG8(BH));
1.1.1.14 root 6749: while(dest < end) {
6750: write_text_vram_char(dest - vram, REG8(AL));
6751: mem[dest++] = REG8(AL);
6752: write_text_vram_attr(dest - vram, REG8(BL));
6753: mem[dest++] = REG8(BL);
1.1 root 6754: }
1.1.1.35 root 6755: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6756: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 6757: #endif
1.1 root 6758: } else {
1.1.1.14 root 6759: while(dest < end) {
1.1 root 6760: mem[dest++] = REG8(AL);
6761: mem[dest++] = REG8(BL);
6762: }
6763: }
6764: }
6765:
6766: inline void pcbios_int_10h_0ah()
6767: {
6768: COORD co;
6769:
1.1.1.14 root 6770: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
6771: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
6772:
1.1.1.16 root 6773: int dest = pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y);
6774: int end = min(dest + REG16(CX) * 2, pcbios_get_shadow_buffer_address(REG8(BH), 0, scr_height));
1.1 root 6775:
6776: if(mem[0x462] == REG8(BH)) {
1.1.1.35 root 6777: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6778: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 6779: #endif
1.1.1.16 root 6780: int vram = pcbios_get_shadow_buffer_address(REG8(BH));
1.1.1.14 root 6781: while(dest < end) {
6782: write_text_vram_char(dest - vram, REG8(AL));
6783: mem[dest++] = REG8(AL);
6784: dest++;
1.1 root 6785: }
1.1.1.35 root 6786: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6787: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 6788: #endif
1.1 root 6789: } else {
1.1.1.14 root 6790: while(dest < end) {
1.1 root 6791: mem[dest++] = REG8(AL);
6792: dest++;
6793: }
6794: }
6795: }
6796:
6797: inline void pcbios_int_10h_0eh()
6798: {
1.1.1.14 root 6799: DWORD num;
6800: COORD co;
6801:
6802: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
6803: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
6804:
6805: if(REG8(AL) == 7) {
6806: //MessageBeep(-1);
6807: } else if(REG8(AL) == 8 || REG8(AL) == 10 || REG8(AL) == 13) {
6808: if(REG8(AL) == 10) {
6809: vram_flush();
6810: }
1.1.1.23 root 6811: WriteConsole(GetStdHandle(STD_OUTPUT_HANDLE), ®8(AL), 1, &num, NULL);
1.1.1.14 root 6812: cursor_moved = true;
6813: } else {
1.1.1.16 root 6814: int dest = pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y);
1.1.1.14 root 6815: if(mem[0x462] == REG8(BH)) {
1.1.1.35 root 6816: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6817: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 6818: #endif
1.1.1.16 root 6819: int vram = pcbios_get_shadow_buffer_address(REG8(BH));
1.1.1.14 root 6820: write_text_vram_char(dest - vram, REG8(AL));
1.1.1.35 root 6821: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6822: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 6823: #endif
1.1.1.14 root 6824:
1.1.1.23 root 6825: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 6826: if(++co.X == scr_width) {
6827: co.X = 0;
6828: if(++co.Y == scr_height) {
6829: vram_flush();
6830: WriteConsole(hStdout, "\n", 1, &num, NULL);
6831: cursor_moved = true;
6832: }
6833: }
6834: if(!cursor_moved) {
6835: co.Y += scr_top;
6836: SetConsoleCursorPosition(hStdout, co);
6837: cursor_moved = true;
6838: }
6839: }
6840: mem[dest] = REG8(AL);
6841: }
1.1 root 6842: }
6843:
6844: inline void pcbios_int_10h_0fh()
6845: {
6846: REG8(AL) = mem[0x449];
6847: REG8(AH) = mem[0x44a];
6848: REG8(BH) = mem[0x462];
6849: }
6850:
1.1.1.14 root 6851: inline void pcbios_int_10h_11h()
6852: {
6853: switch(REG8(AL)) {
1.1.1.16 root 6854: case 0x01:
1.1.1.14 root 6855: case 0x11:
1.1.1.16 root 6856: pcbios_set_console_size(80, 28, true);
1.1.1.14 root 6857: break;
1.1.1.16 root 6858: case 0x02:
1.1.1.14 root 6859: case 0x12:
1.1.1.16 root 6860: pcbios_set_console_size(80, 50, true);
1.1.1.14 root 6861: break;
1.1.1.16 root 6862: case 0x04:
1.1.1.14 root 6863: case 0x14:
1.1.1.16 root 6864: pcbios_set_console_size(80, 25, true);
6865: break;
6866: case 0x18:
6867: pcbios_set_console_size(80, 50, true);
1.1.1.14 root 6868: break;
6869: case 0x30:
6870: SREG(ES) = 0;
6871: i386_load_segment_descriptor(ES);
6872: REG16(BP) = 0;
6873: REG16(CX) = mem[0x485];
6874: REG8(DL) = mem[0x484];
6875: break;
6876: }
6877: }
6878:
6879: inline void pcbios_int_10h_12h()
6880: {
1.1.1.16 root 6881: switch(REG8(BL)) {
6882: case 0x10:
1.1.1.14 root 6883: REG16(BX) = 0x0003;
6884: REG16(CX) = 0x0009;
1.1.1.16 root 6885: break;
1.1.1.14 root 6886: }
6887: }
6888:
1.1 root 6889: inline void pcbios_int_10h_13h()
6890: {
1.1.1.3 root 6891: int ofs = SREG_BASE(ES) + REG16(BP);
1.1 root 6892: COORD co;
6893: DWORD num;
6894:
6895: co.X = REG8(DL);
1.1.1.14 root 6896: co.Y = REG8(DH) + scr_top;
6897:
6898: vram_flush();
1.1 root 6899:
6900: switch(REG8(AL)) {
6901: case 0x00:
6902: case 0x01:
6903: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 6904: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 6905: CONSOLE_SCREEN_BUFFER_INFO csbi;
6906: GetConsoleScreenBufferInfo(hStdout, &csbi);
6907: SetConsoleCursorPosition(hStdout, co);
6908:
6909: if(csbi.wAttributes != REG8(BL)) {
6910: SetConsoleTextAttribute(hStdout, REG8(BL));
6911: }
1.1.1.14 root 6912: WriteConsole(hStdout, &mem[ofs], REG16(CX), &num, NULL);
6913:
1.1 root 6914: if(csbi.wAttributes != REG8(BL)) {
6915: SetConsoleTextAttribute(hStdout, csbi.wAttributes);
6916: }
6917: if(REG8(AL) == 0x00) {
1.1.1.15 root 6918: if(!restore_console_on_exit) {
6919: GetConsoleScreenBufferInfo(hStdout, &csbi);
6920: scr_top = csbi.srWindow.Top;
6921: }
1.1.1.14 root 6922: co.X = mem[0x450 + REG8(BH) * 2];
6923: co.Y = mem[0x451 + REG8(BH) * 2] + scr_top;
1.1 root 6924: SetConsoleCursorPosition(hStdout, co);
6925: } else {
6926: cursor_moved = true;
6927: }
6928: } else {
1.1.1.3 root 6929: m_CF = 1;
1.1 root 6930: }
6931: break;
6932: case 0x02:
6933: case 0x03:
6934: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 6935: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 6936: CONSOLE_SCREEN_BUFFER_INFO csbi;
6937: GetConsoleScreenBufferInfo(hStdout, &csbi);
6938: SetConsoleCursorPosition(hStdout, co);
6939:
6940: WORD wAttributes = csbi.wAttributes;
6941: for(int i = 0; i < REG16(CX); i++, ofs += 2) {
6942: if(wAttributes != mem[ofs + 1]) {
6943: SetConsoleTextAttribute(hStdout, mem[ofs + 1]);
6944: wAttributes = mem[ofs + 1];
6945: }
1.1.1.14 root 6946: WriteConsole(hStdout, &mem[ofs], 1, &num, NULL);
1.1 root 6947: }
6948: if(csbi.wAttributes != wAttributes) {
6949: SetConsoleTextAttribute(hStdout, csbi.wAttributes);
6950: }
6951: if(REG8(AL) == 0x02) {
1.1.1.14 root 6952: co.X = mem[0x450 + REG8(BH) * 2];
6953: co.Y = mem[0x451 + REG8(BH) * 2] + scr_top;
1.1 root 6954: SetConsoleCursorPosition(hStdout, co);
6955: } else {
6956: cursor_moved = true;
6957: }
6958: } else {
1.1.1.3 root 6959: m_CF = 1;
1.1 root 6960: }
6961: break;
6962: case 0x10:
6963: case 0x11:
6964: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 6965: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 6966: ReadConsoleOutputCharacter(hStdout, scr_char, REG16(CX), co, &num);
6967: ReadConsoleOutputAttribute(hStdout, scr_attr, REG16(CX), co, &num);
6968: for(int i = 0; i < num; i++) {
6969: mem[ofs++] = scr_char[i];
6970: mem[ofs++] = scr_attr[i];
6971: if(REG8(AL) == 0x11) {
6972: mem[ofs++] = 0;
6973: mem[ofs++] = 0;
6974: }
6975: }
6976: } else {
1.1.1.16 root 6977: 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 6978: mem[ofs++] = mem[src++];
6979: mem[ofs++] = mem[src++];
6980: if(REG8(AL) == 0x11) {
6981: mem[ofs++] = 0;
6982: mem[ofs++] = 0;
6983: }
1.1.1.14 root 6984: if(++co.X == scr_width) {
6985: if(++co.Y == scr_height) {
1.1 root 6986: break;
6987: }
6988: co.X = 0;
6989: }
6990: }
6991: }
6992: break;
6993: case 0x20:
6994: case 0x21:
6995: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 6996: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 6997: int len = min(REG16(CX), scr_width * scr_height);
6998: for(int i = 0; i < len; i++) {
1.1 root 6999: scr_char[i] = mem[ofs++];
7000: scr_attr[i] = mem[ofs++];
7001: if(REG8(AL) == 0x21) {
7002: ofs += 2;
7003: }
7004: }
1.1.1.14 root 7005: WriteConsoleOutputCharacter(hStdout, scr_char, len, co, &num);
7006: WriteConsoleOutputAttribute(hStdout, scr_attr, len, co, &num);
1.1 root 7007: } else {
1.1.1.16 root 7008: 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 7009: mem[dest++] = mem[ofs++];
7010: mem[dest++] = mem[ofs++];
7011: if(REG8(AL) == 0x21) {
7012: ofs += 2;
7013: }
1.1.1.14 root 7014: if(++co.X == scr_width) {
7015: if(++co.Y == scr_height) {
1.1 root 7016: break;
7017: }
7018: co.X = 0;
7019: }
7020: }
7021: }
7022: break;
7023: default:
1.1.1.22 root 7024: 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 7025: m_CF = 1;
1.1 root 7026: break;
7027: }
7028: }
7029:
1.1.1.30 root 7030: inline void pcbios_int_10h_18h()
7031: {
7032: switch(REG8(AL)) {
7033: case 0x00:
7034: case 0x01:
7035: // REG8(AL) = 0x86;
7036: REG8(AL) = 0x00;
7037: break;
7038: default:
7039: 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));
7040: m_CF = 1;
7041: break;
7042: }
7043: }
7044:
1.1.1.14 root 7045: inline void pcbios_int_10h_1ah()
7046: {
7047: switch(REG8(AL)) {
7048: case 0x00:
7049: REG8(AL) = 0x1a;
7050: REG8(BL) = 0x08;
7051: REG8(BH) = 0x00;
7052: break;
7053: default:
1.1.1.22 root 7054: 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 7055: m_CF = 1;
7056: break;
7057: }
7058: }
7059:
1.1 root 7060: inline void pcbios_int_10h_1dh()
7061: {
7062: switch(REG8(AL)) {
7063: case 0x01:
7064: break;
7065: case 0x02:
7066: REG16(BX) = 0;
7067: break;
7068: default:
1.1.1.22 root 7069: 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));
7070: m_CF = 1;
7071: break;
7072: }
7073: }
7074:
7075: inline void pcbios_int_10h_4fh()
7076: {
7077: switch(REG8(AL)) {
7078: case 0x00:
7079: REG8(AH) = 0x02; // not supported
7080: break;
7081: case 0x01:
7082: case 0x02:
7083: case 0x03:
7084: case 0x04:
7085: case 0x05:
7086: case 0x06:
7087: case 0x07:
7088: case 0x08:
7089: case 0x09:
7090: case 0x0a:
7091: case 0x0b:
7092: case 0x0c:
7093: REG8(AH) = 0x01; // failed
7094: break;
7095: default:
7096: 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 7097: m_CF = 1;
1.1 root 7098: break;
7099: }
7100: }
7101:
7102: inline void pcbios_int_10h_82h()
7103: {
7104: static UINT8 mode = 0;
7105:
7106: switch(REG8(AL)) {
1.1.1.22 root 7107: case 0x00:
1.1 root 7108: if(REG8(BL) != 0xff) {
7109: mode = REG8(BL);
7110: }
7111: REG8(AL) = mode;
7112: break;
7113: default:
1.1.1.22 root 7114: 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 7115: m_CF = 1;
1.1 root 7116: break;
7117: }
7118: }
7119:
1.1.1.22 root 7120: inline void pcbios_int_10h_83h()
7121: {
7122: static UINT8 mode = 0;
7123:
7124: switch(REG8(AL)) {
7125: case 0x00:
7126: REG16(AX) = 0; // offset???
7127: SREG(ES) = (SHADOW_BUF_TOP >> 4);
7128: i386_load_segment_descriptor(ES);
7129: REG16(BX) = (SHADOW_BUF_TOP & 0x0f);
7130: break;
7131: default:
7132: 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));
7133: m_CF = 1;
7134: break;
7135: }
7136: }
7137:
7138: inline void pcbios_int_10h_90h()
7139: {
7140: REG8(AL) = mem[0x449];
7141: }
7142:
7143: inline void pcbios_int_10h_91h()
7144: {
7145: REG8(AL) = 0x04; // VGA
7146: }
7147:
7148: inline void pcbios_int_10h_efh()
7149: {
7150: REG16(DX) = 0xffff;
7151: }
7152:
1.1 root 7153: inline void pcbios_int_10h_feh()
7154: {
7155: if(mem[0x449] == 0x03 || mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.8 root 7156: SREG(ES) = (SHADOW_BUF_TOP >> 4);
1.1.1.3 root 7157: i386_load_segment_descriptor(ES);
1.1.1.8 root 7158: REG16(DI) = (SHADOW_BUF_TOP & 0x0f);
1.1 root 7159: }
7160: int_10h_feh_called = true;
7161: }
7162:
7163: inline void pcbios_int_10h_ffh()
7164: {
7165: if(mem[0x449] == 0x03 || mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.23 root 7166: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 7167: COORD co;
7168: DWORD num;
7169:
1.1.1.14 root 7170: vram_flush();
7171:
7172: co.X = (REG16(DI) >> 1) % scr_width;
7173: co.Y = (REG16(DI) >> 1) / scr_width;
1.1.1.16 root 7174: int ofs = pcbios_get_shadow_buffer_address(0, co.X, co.Y);
7175: int end = min(ofs + REG16(CX) * 2, pcbios_get_shadow_buffer_address(0, 0, scr_height));
1.1.1.14 root 7176: int len;
7177: for(len = 0; ofs < end; len++) {
7178: scr_char[len] = mem[ofs++];
7179: scr_attr[len] = mem[ofs++];
7180: }
7181: co.Y += scr_top;
7182: WriteConsoleOutputCharacter(hStdout, scr_char, len, co, &num);
7183: WriteConsoleOutputAttribute(hStdout, scr_attr, len, co, &num);
1.1 root 7184: }
7185: int_10h_ffh_called = true;
7186: }
7187:
1.1.1.25 root 7188: inline void pcbios_int_14h_00h()
7189: {
1.1.1.29 root 7190: if(REG16(DX) < 4) {
1.1.1.25 root 7191: static const unsigned int rate[] = {110, 150, 300, 600, 1200, 2400, 4800, 9600};
7192: UINT8 selector = sio_read(REG16(DX), 3);
7193: selector &= ~0x3f;
7194: selector |= REG8(AL) & 0x1f;
7195: UINT16 divisor = 115200 / rate[REG8(AL) >> 5];
7196: sio_write(REG16(DX), 3, selector | 0x80);
7197: sio_write(REG16(DX), 0, divisor & 0xff);
7198: sio_write(REG16(DX), 1, divisor >> 8);
7199: sio_write(REG16(DX), 3, selector);
7200: REG8(AH) = sio_read(REG16(DX), 5);
7201: REG8(AL) = sio_read(REG16(DX), 6);
7202: } else {
7203: REG8(AH) = 0x80;
7204: }
7205: }
7206:
7207: inline void pcbios_int_14h_01h()
7208: {
1.1.1.29 root 7209: if(REG16(DX) < 4) {
1.1.1.25 root 7210: UINT8 selector = sio_read(REG16(DX), 3);
7211: sio_write(REG16(DX), 3, selector & ~0x80);
7212: sio_write(REG16(DX), 0, REG8(AL));
7213: sio_write(REG16(DX), 3, selector);
7214: REG8(AH) = sio_read(REG16(DX), 5);
7215: } else {
7216: REG8(AH) = 0x80;
7217: }
7218: }
7219:
7220: inline void pcbios_int_14h_02h()
7221: {
1.1.1.29 root 7222: if(REG16(DX) < 4) {
1.1.1.25 root 7223: UINT8 selector = sio_read(REG16(DX), 3);
7224: sio_write(REG16(DX), 3, selector & ~0x80);
7225: REG8(AL) = sio_read(REG16(DX), 0);
7226: sio_write(REG16(DX), 3, selector);
7227: REG8(AH) = sio_read(REG16(DX), 5);
7228: } else {
7229: REG8(AH) = 0x80;
7230: }
7231: }
7232:
7233: inline void pcbios_int_14h_03h()
7234: {
1.1.1.29 root 7235: if(REG16(DX) < 4) {
1.1.1.25 root 7236: REG8(AH) = sio_read(REG16(DX), 5);
7237: REG8(AL) = sio_read(REG16(DX), 6);
7238: } else {
7239: REG8(AH) = 0x80;
7240: }
7241: }
7242:
7243: inline void pcbios_int_14h_04h()
7244: {
1.1.1.29 root 7245: if(REG16(DX) < 4) {
1.1.1.25 root 7246: UINT8 selector = sio_read(REG16(DX), 3);
7247: if(REG8(CH) <= 0x03) {
7248: selector = (selector & ~0x03) | REG8(CH);
7249: }
7250: if(REG8(BL) == 0x00) {
7251: selector &= ~0x04;
7252: } else if(REG8(BL) == 0x01) {
7253: selector |= 0x04;
7254: }
7255: if(REG8(BH) == 0x00) {
7256: selector = (selector & ~0x38) | 0x00;
7257: } else if(REG8(BH) == 0x01) {
7258: selector = (selector & ~0x38) | 0x08;
7259: } else if(REG8(BH) == 0x02) {
7260: selector = (selector & ~0x38) | 0x18;
7261: } else if(REG8(BH) == 0x03) {
7262: selector = (selector & ~0x38) | 0x28;
7263: } else if(REG8(BH) == 0x04) {
7264: selector = (selector & ~0x38) | 0x38;
7265: }
7266: if(REG8(AL) == 0x00) {
7267: selector |= 0x40;
7268: } else if(REG8(AL) == 0x01) {
7269: selector &= ~0x40;
7270: }
7271: if(REG8(CL) <= 0x0b) {
7272: static const unsigned int rate[] = {110, 150, 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200};
7273: UINT16 divisor = 115200 / rate[REG8(CL)];
7274: sio_write(REG16(DX), 3, selector | 0x80);
7275: sio_write(REG16(DX), 0, divisor & 0xff);
7276: sio_write(REG16(DX), 1, divisor >> 8);
7277: }
7278: sio_write(REG16(DX), 3, selector);
7279: REG8(AH) = sio_read(REG16(DX), 5);
7280: REG8(AL) = sio_read(REG16(DX), 6);
7281: } else {
7282: REG8(AH) = 0x80;
7283: }
7284: }
7285:
7286: inline void pcbios_int_14h_05h()
7287: {
1.1.1.29 root 7288: if(REG16(DX) < 4) {
1.1.1.25 root 7289: if(REG8(AL) == 0x00) {
7290: REG8(BL) = sio_read(REG16(DX), 4);
7291: REG8(AH) = sio_read(REG16(DX), 5);
7292: REG8(AL) = sio_read(REG16(DX), 6);
7293: } else if(REG8(AL) == 0x01) {
7294: sio_write(REG16(DX), 4, REG8(BL));
7295: REG8(AH) = sio_read(REG16(DX), 5);
7296: REG8(AL) = sio_read(REG16(DX), 6);
7297: } else {
7298: 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));
7299: }
7300: } else {
7301: REG8(AH) = 0x80;
7302: }
7303: }
7304:
1.1.1.14 root 7305: inline void pcbios_int_15h_10h()
7306: {
1.1.1.22 root 7307: switch(REG8(AL)) {
7308: case 0x00:
1.1.1.14 root 7309: Sleep(10);
1.1.1.35 root 7310: REQUEST_HARDWRE_UPDATE();
1.1.1.22 root 7311: break;
7312: default:
7313: 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 7314: REG8(AH) = 0x86;
7315: m_CF = 1;
7316: }
7317: }
7318:
1.1 root 7319: inline void pcbios_int_15h_23h()
7320: {
7321: switch(REG8(AL)) {
1.1.1.22 root 7322: case 0x00:
1.1.1.8 root 7323: REG8(CL) = cmos_read(0x2d);
7324: REG8(CH) = cmos_read(0x2e);
1.1 root 7325: break;
1.1.1.22 root 7326: case 0x01:
1.1.1.8 root 7327: cmos_write(0x2d, REG8(CL));
7328: cmos_write(0x2e, REG8(CH));
1.1 root 7329: break;
7330: default:
1.1.1.22 root 7331: 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 7332: REG8(AH) = 0x86;
1.1.1.3 root 7333: m_CF = 1;
1.1 root 7334: break;
7335: }
7336: }
7337:
7338: inline void pcbios_int_15h_24h()
7339: {
7340: switch(REG8(AL)) {
1.1.1.22 root 7341: case 0x00:
1.1.1.3 root 7342: i386_set_a20_line(0);
1.1 root 7343: REG8(AH) = 0;
7344: break;
1.1.1.22 root 7345: case 0x01:
1.1.1.3 root 7346: i386_set_a20_line(1);
1.1 root 7347: REG8(AH) = 0;
7348: break;
1.1.1.22 root 7349: case 0x02:
1.1 root 7350: REG8(AH) = 0;
1.1.1.3 root 7351: REG8(AL) = (m_a20_mask >> 20) & 1;
1.1 root 7352: REG16(CX) = 0;
7353: break;
1.1.1.22 root 7354: case 0x03:
1.1 root 7355: REG16(AX) = 0;
7356: REG16(BX) = 0;
7357: break;
1.1.1.22 root 7358: default:
7359: 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));
7360: REG8(AH) = 0x86;
7361: m_CF = 1;
7362: break;
1.1 root 7363: }
7364: }
7365:
7366: inline void pcbios_int_15h_49h()
7367: {
1.1.1.27 root 7368: REG8(AH) = 0x00;
7369: REG8(BL) = 0x00; // DOS/V
1.1 root 7370: }
7371:
1.1.1.22 root 7372: inline void pcbios_int_15h_50h()
7373: {
7374: switch(REG8(AL)) {
7375: case 0x00:
7376: case 0x01:
7377: if(REG8(BH) != 0x00 && REG8(BH) != 0x01) {
7378: REG8(AH) = 0x01; // invalid font type in bh
7379: m_CF = 1;
1.1.1.27 root 7380: } else if(REG8(BL) != 0x00) {
1.1.1.22 root 7381: REG8(AH) = 0x02; // bl not zero
7382: m_CF = 1;
7383: } else if(REG16(BP) != 0 && REG16(BP) != 437 && REG16(BP) != 932 && REG16(BP) != 934 && REG16(BP) != 936 && REG16(BP) != 938) {
7384: REG8(AH) = 0x04; // invalid code page
7385: m_CF = 1;
1.1.1.27 root 7386: } else if(REG8(AL) == 0x01) {
7387: REG8(AH) = 0x06; // font is read only
1.1.1.22 root 7388: m_CF = 1;
1.1.1.27 root 7389: } else {
7390: // dummy font read routine is at fffd:000d
7391: SREG(ES) = 0xfffd;
7392: i386_load_segment_descriptor(ES);
1.1.1.32 root 7393: REG16(BX) = 0x000d;
1.1.1.27 root 7394: REG8(AH) = 0x00; // success
1.1.1.22 root 7395: }
7396: break;
7397: default:
7398: 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));
7399: REG8(AH) = 0x86;
7400: m_CF = 1;
7401: break;
7402: }
7403: }
7404:
1.1.1.30 root 7405: inline void pcbios_int_15h_53h()
7406: {
7407: switch(REG8(AL)) {
7408: case 0x00:
7409: // APM is not installed
7410: REG8(AH) = 0x86;
7411: m_CF = 1;
7412: break;
7413: default:
7414: 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));
7415: REG8(AH) = 0x86;
7416: m_CF = 1;
7417: break;
7418: }
7419: }
7420:
1.1.1.35 root 7421:
7422: DWORD WINAPI pcbios_int_15h_86h_thread(LPVOID)
1.1 root 7423: {
7424: UINT32 usec = (REG16(CX) << 16) | REG16(DX);
1.1.1.14 root 7425: UINT32 msec = usec / 1000;
7426:
1.1.1.35 root 7427: while(msec && !m_halted) {
1.1.1.14 root 7428: UINT32 tmp = min(msec, 100);
7429: if(msec - tmp < 10) {
7430: tmp = msec;
7431: }
7432: Sleep(tmp);
7433: msec -= tmp;
7434: }
1.1.1.35 root 7435:
7436: #ifdef USE_SERVICE_THREAD
7437: service_exit = true;
7438: #endif
7439: return(0);
7440: }
7441:
7442: inline void pcbios_int_15h_86h()
7443: {
7444: if(!(REG16(CX) == 0 && REG16(DX) == 0)) {
7445: #ifdef USE_SERVICE_THREAD
7446: start_service_loop(pcbios_int_15h_86h_thread);
7447: #else
7448: pcbios_int_15h_86h_thread(NULL);
7449: REQUEST_HARDWRE_UPDATE();
7450: #endif
7451: }
1.1 root 7452: }
7453:
7454: inline void pcbios_int_15h_87h()
7455: {
7456: // copy extended memory (from DOSBox)
7457: int len = REG16(CX) * 2;
1.1.1.3 root 7458: int ofs = SREG_BASE(ES) + REG16(SI);
1.1 root 7459: int src = (*(UINT32 *)(mem + ofs + 0x12) & 0xffffff); // + (mem[ofs + 0x16] << 24);
7460: int dst = (*(UINT32 *)(mem + ofs + 0x1a) & 0xffffff); // + (mem[ofs + 0x1e] << 24);
7461: memcpy(mem + dst, mem + src, len);
7462: REG16(AX) = 0x00;
7463: }
7464:
7465: inline void pcbios_int_15h_88h()
7466: {
1.1.1.17 root 7467: REG16(AX) = ((min(MAX_MEM, 0x4000000) - 0x100000) >> 10);
1.1 root 7468: }
7469:
7470: inline void pcbios_int_15h_89h()
7471: {
1.1.1.21 root 7472: #if defined(HAS_I286) || defined(HAS_I386)
1.1 root 7473: // switch to protected mode (from DOSBox)
7474: write_io_byte(0x20, 0x10);
7475: write_io_byte(0x21, REG8(BH));
7476: write_io_byte(0x21, 0x00);
7477: write_io_byte(0xa0, 0x10);
7478: write_io_byte(0xa1, REG8(BL));
7479: write_io_byte(0xa1, 0x00);
1.1.1.3 root 7480: i386_set_a20_line(1);
7481: int ofs = SREG_BASE(ES) + REG16(SI);
7482: m_gdtr.limit = *(UINT16 *)(mem + ofs + 0x08);
7483: m_gdtr.base = *(UINT32 *)(mem + ofs + 0x08 + 0x02) & 0xffffff;
7484: m_idtr.limit = *(UINT16 *)(mem + ofs + 0x10);
7485: m_idtr.base = *(UINT32 *)(mem + ofs + 0x10 + 0x02) & 0xffffff;
7486: #if defined(HAS_I386)
7487: m_cr[0] |= 1;
7488: #else
7489: m_msw |= 1;
7490: #endif
7491: SREG(DS) = 0x18;
7492: SREG(ES) = 0x20;
7493: SREG(SS) = 0x28;
7494: i386_load_segment_descriptor(DS);
7495: i386_load_segment_descriptor(ES);
7496: i386_load_segment_descriptor(SS);
1.1.1.21 root 7497: UINT16 offset = *(UINT16 *)(mem + SREG_BASE(SS) + REG16(SP));
1.1 root 7498: REG16(SP) += 6;
1.1.1.3 root 7499: #if defined(HAS_I386)
1.1.1.21 root 7500: UINT32 flags = get_flags();
7501: flags &= (0x20000 | 0x40000 | 0x80000 | 0x100000 | 0x200000);
7502: set_flags(flags);
1.1.1.3 root 7503: #else
1.1.1.21 root 7504: UINT32 flags = CompressFlags();
7505: flags &= (0x20000 | 0x40000 | 0x80000 | 0x100000 | 0x200000);
7506: ExpandFlags(flags);
1.1.1.3 root 7507: #endif
1.1 root 7508: REG16(AX) = 0x00;
1.1.1.21 root 7509: i386_jmp_far(0x30, /*REG16(CX)*/offset);
1.1 root 7510: #else
1.1.1.21 root 7511: // i86/i186/v30: protected mode is not supported
1.1 root 7512: REG8(AH) = 0x86;
1.1.1.3 root 7513: m_CF = 1;
1.1 root 7514: #endif
7515: }
7516:
1.1.1.21 root 7517: inline void pcbios_int_15h_8ah()
7518: {
7519: UINT32 size = MAX_MEM - 0x100000;
7520: REG16(AX) = size & 0xffff;
7521: REG16(DX) = size >> 16;
7522: }
7523:
1.1.1.3 root 7524: #if defined(HAS_I386)
1.1 root 7525: inline void pcbios_int_15h_c9h()
7526: {
7527: REG8(AH) = 0x00;
7528: REG8(CH) = cpu_type;
7529: REG8(CL) = cpu_step;
7530: }
1.1.1.3 root 7531: #endif
1.1 root 7532:
7533: inline void pcbios_int_15h_cah()
7534: {
7535: switch(REG8(AL)) {
1.1.1.22 root 7536: case 0x00:
1.1 root 7537: if(REG8(BL) > 0x3f) {
7538: REG8(AH) = 0x03;
1.1.1.3 root 7539: m_CF = 1;
1.1 root 7540: } else if(REG8(BL) < 0x0e) {
7541: REG8(AH) = 0x04;
1.1.1.3 root 7542: m_CF = 1;
1.1 root 7543: } else {
1.1.1.8 root 7544: REG8(CL) = cmos_read(REG8(BL));
1.1 root 7545: }
7546: break;
1.1.1.22 root 7547: case 0x01:
1.1 root 7548: if(REG8(BL) > 0x3f) {
7549: REG8(AH) = 0x03;
1.1.1.3 root 7550: m_CF = 1;
1.1 root 7551: } else if(REG8(BL) < 0x0e) {
7552: REG8(AH) = 0x04;
1.1.1.3 root 7553: m_CF = 1;
1.1 root 7554: } else {
1.1.1.8 root 7555: cmos_write(REG8(BL), REG8(CL));
1.1 root 7556: }
7557: break;
7558: default:
1.1.1.22 root 7559: 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 7560: REG8(AH) = 0x86;
1.1.1.3 root 7561: m_CF = 1;
1.1 root 7562: break;
7563: }
7564: }
7565:
1.1.1.22 root 7566: inline void pcbios_int_15h_e8h()
1.1.1.17 root 7567: {
1.1.1.22 root 7568: switch(REG8(AL)) {
7569: #if defined(HAS_I386)
7570: case 0x01:
7571: REG16(AX) = REG16(CX) = ((min(MAX_MEM, 0x1000000) - 0x100000) >> 10);
7572: REG16(BX) = REG16(DX) = ((max(MAX_MEM, 0x1000000) - 0x1000000) >> 16);
7573: break;
1.1.1.17 root 7574: #endif
1.1.1.22 root 7575: default:
7576: 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));
7577: REG8(AH) = 0x86;
7578: m_CF = 1;
7579: break;
7580: }
7581: }
1.1.1.17 root 7582:
1.1.1.33 root 7583: void pcbios_update_key_code(bool wait)
1.1 root 7584: {
1.1.1.32 root 7585: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 7586: #ifdef USE_SERVICE_THREAD
7587: EnterCriticalSection(&key_buf_crit_sect);
7588: #endif
7589: bool empty = key_buf_char->empty();
7590: #ifdef USE_SERVICE_THREAD
7591: LeaveCriticalSection(&key_buf_crit_sect);
7592: #endif
7593: if(empty) {
1.1.1.32 root 7594: if(!update_key_buffer()) {
1.1.1.33 root 7595: if(wait) {
1.1.1.32 root 7596: Sleep(10);
7597: } else {
7598: maybe_idle();
7599: }
1.1.1.14 root 7600: }
7601: }
1.1.1.34 root 7602: }
7603: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 7604: #ifdef USE_SERVICE_THREAD
7605: EnterCriticalSection(&key_buf_crit_sect);
7606: #endif
1.1.1.32 root 7607: if(key_buf_char->count() != 0) {
1.1.1.35 root 7608: key_code = key_buf_char->read() << 0;
7609: key_code |= key_buf_scan->read() << 8;
7610: key_recv = 0x0000ffff;
1.1.1.32 root 7611: }
7612: if(key_buf_char->count() != 0) {
1.1.1.35 root 7613: key_code |= key_buf_char->read() << 16;
7614: key_code |= key_buf_scan->read() << 24;
1.1.1.33 root 7615: key_recv |= 0xffff0000;
1.1.1.32 root 7616: }
1.1.1.35 root 7617: #ifdef USE_SERVICE_THREAD
7618: LeaveCriticalSection(&key_buf_crit_sect);
7619: #endif
1.1 root 7620: }
7621: }
7622:
1.1.1.35 root 7623: DWORD WINAPI pcbios_int_16h_00h_thread(LPVOID)
1.1 root 7624: {
1.1.1.33 root 7625: while(key_recv == 0 && !m_halted) {
7626: pcbios_update_key_code(true);
1.1 root 7627: }
1.1.1.33 root 7628: if((key_recv & 0x0000ffff) && (key_recv & 0xffff0000)) {
7629: if((key_code & 0xffff) == 0x0000 || (key_code & 0xffff) == 0xe000) {
7630: if(REG8(AH) == 0x10) {
7631: key_code = ((key_code >> 8) & 0xff) | ((key_code >> 16) & 0xff00);
7632: } else {
7633: key_code = ((key_code >> 16) & 0xff00);
7634: }
7635: key_recv >>= 16;
1.1 root 7636: }
7637: }
7638: REG16(AX) = key_code & 0xffff;
7639: key_code >>= 16;
1.1.1.33 root 7640: key_recv >>= 16;
1.1.1.35 root 7641:
7642: #ifdef USE_SERVICE_THREAD
7643: service_exit = true;
7644: #endif
7645: return(0);
7646: }
7647:
7648: inline void pcbios_int_16h_00h()
7649: {
7650: #ifdef USE_SERVICE_THREAD
7651: start_service_loop(pcbios_int_16h_00h_thread);
7652: #else
7653: pcbios_int_16h_00h_thread(NULL);
7654: REQUEST_HARDWRE_UPDATE();
7655: #endif
1.1 root 7656: }
7657:
7658: inline void pcbios_int_16h_01h()
7659: {
1.1.1.33 root 7660: if(key_recv == 0) {
7661: pcbios_update_key_code(false);
1.1.1.5 root 7662: }
1.1.1.33 root 7663: if(key_recv != 0) {
7664: UINT32 key_code_tmp = key_code;
7665: if((key_recv & 0x0000ffff) && (key_recv & 0xffff0000)) {
7666: if((key_code_tmp & 0xffff) == 0x0000 || (key_code_tmp & 0xffff) == 0xe000) {
7667: if(REG8(AH) == 0x11) {
7668: key_code_tmp = ((key_code_tmp >> 8) & 0xff) | ((key_code_tmp >> 16) & 0xff00);
7669: } else {
7670: key_code_tmp = ((key_code_tmp >> 16) & 0xff00);
7671: }
7672: }
1.1 root 7673: }
1.1.1.5 root 7674: REG16(AX) = key_code_tmp & 0xffff;
1.1.1.3 root 7675: #if defined(HAS_I386)
1.1.1.33 root 7676: m_ZF = 0;
7677: #else
7678: m_ZeroVal = 1;
7679: #endif
7680: } else {
7681: #if defined(HAS_I386)
7682: m_ZF = 1;
1.1.1.3 root 7683: #else
1.1.1.33 root 7684: m_ZeroVal = 0;
1.1.1.3 root 7685: #endif
1.1.1.33 root 7686: }
1.1 root 7687: }
7688:
7689: inline void pcbios_int_16h_02h()
7690: {
7691: REG8(AL) = (GetAsyncKeyState(VK_INSERT ) & 0x0001) ? 0x80 : 0;
7692: REG8(AL) |= (GetAsyncKeyState(VK_CAPITAL) & 0x0001) ? 0x40 : 0;
7693: REG8(AL) |= (GetAsyncKeyState(VK_NUMLOCK) & 0x0001) ? 0x20 : 0;
7694: REG8(AL) |= (GetAsyncKeyState(VK_SCROLL ) & 0x0001) ? 0x10 : 0;
7695: REG8(AL) |= (GetAsyncKeyState(VK_MENU ) & 0x8000) ? 0x08 : 0;
7696: REG8(AL) |= (GetAsyncKeyState(VK_CONTROL) & 0x8000) ? 0x04 : 0;
7697: REG8(AL) |= (GetAsyncKeyState(VK_LSHIFT ) & 0x8000) ? 0x02 : 0;
7698: REG8(AL) |= (GetAsyncKeyState(VK_RSHIFT ) & 0x8000) ? 0x01 : 0;
7699: }
7700:
7701: inline void pcbios_int_16h_03h()
7702: {
7703: static UINT16 status = 0;
7704:
7705: switch(REG8(AL)) {
7706: case 0x05:
7707: status = REG16(BX);
7708: break;
7709: case 0x06:
7710: REG16(BX) = status;
7711: break;
7712: default:
1.1.1.3 root 7713: m_CF = 1;
1.1 root 7714: break;
7715: }
7716: }
7717:
7718: inline void pcbios_int_16h_05h()
7719: {
1.1.1.32 root 7720: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 7721: #ifdef USE_SERVICE_THREAD
7722: EnterCriticalSection(&key_buf_crit_sect);
7723: #endif
1.1.1.32 root 7724: key_buf_char->write(REG8(CL));
7725: key_buf_scan->write(REG8(CH));
1.1.1.35 root 7726: #ifdef USE_SERVICE_THREAD
7727: LeaveCriticalSection(&key_buf_crit_sect);
7728: #endif
1.1.1.32 root 7729: }
1.1 root 7730: REG8(AL) = 0x00;
7731: }
7732:
7733: inline void pcbios_int_16h_12h()
7734: {
7735: pcbios_int_16h_02h();
7736:
7737: REG8(AH) = 0;//(GetAsyncKeyState(VK_SYSREQ ) & 0x8000) ? 0x80 : 0;
7738: REG8(AH) |= (GetAsyncKeyState(VK_CAPITAL ) & 0x8000) ? 0x40 : 0;
7739: REG8(AH) |= (GetAsyncKeyState(VK_NUMLOCK ) & 0x8000) ? 0x20 : 0;
7740: REG8(AH) |= (GetAsyncKeyState(VK_SCROLL ) & 0x8000) ? 0x10 : 0;
7741: REG8(AH) |= (GetAsyncKeyState(VK_RMENU ) & 0x8000) ? 0x08 : 0;
7742: REG8(AH) |= (GetAsyncKeyState(VK_RCONTROL) & 0x8000) ? 0x04 : 0;
7743: REG8(AH) |= (GetAsyncKeyState(VK_LMENU ) & 0x8000) ? 0x02 : 0;
7744: REG8(AH) |= (GetAsyncKeyState(VK_LCONTROL) & 0x8000) ? 0x01 : 0;
7745: }
7746:
7747: inline void pcbios_int_16h_13h()
7748: {
7749: static UINT16 status = 0;
7750:
7751: switch(REG8(AL)) {
7752: case 0x00:
7753: status = REG16(DX);
7754: break;
7755: case 0x01:
7756: REG16(DX) = status;
7757: break;
7758: default:
1.1.1.22 root 7759: 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 7760: m_CF = 1;
1.1 root 7761: break;
7762: }
7763: }
7764:
7765: inline void pcbios_int_16h_14h()
7766: {
7767: static UINT8 status = 0;
7768:
7769: switch(REG8(AL)) {
7770: case 0x00:
7771: case 0x01:
7772: status = REG8(AL);
7773: break;
7774: case 0x02:
7775: REG8(AL) = status;
7776: break;
7777: default:
1.1.1.22 root 7778: 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 7779: m_CF = 1;
1.1 root 7780: break;
7781: }
7782: }
7783:
1.1.1.24 root 7784: inline void pcbios_int_16h_55h()
7785: {
7786: switch(REG8(AL)) {
7787: case 0x00:
7788: // keyboard tsr is not present
7789: break;
7790: case 0xfe:
7791: // handlers for INT 08, INT 09, INT 16, INT 1B, and INT 1C are installed
7792: break;
7793: case 0xff:
7794: break;
7795: default:
7796: 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));
7797: m_CF = 1;
7798: break;
7799: }
7800: }
7801:
1.1.1.30 root 7802: inline void pcbios_int_16h_6fh()
7803: {
7804: switch(REG8(AL)) {
7805: case 0x00:
7806: // HP Vectra EX-BIOS - "F16_INQUIRE" - Extended BIOS is not installed
7807: break;
7808: default:
7809: 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));
7810: m_CF = 1;
7811: break;
7812: }
7813: }
7814:
1.1.1.37 root 7815: UINT16 pcbios_printer_jis2sjis(UINT16 jis)
7816: {
7817: UINT8 hi = jis >> 8;
7818: UINT8 lo = jis & 0xff;
7819:
7820: lo = (hi & 0x01) ? lo - 0x1f : lo + 0x7d;
7821: hi = (hi - 0x21) / 2 + 0x81;
7822: hi = (hi >= 0xa0) ? hi + 0x40 : hi;
7823: lo = (lo >= 0x7f) ? lo + 0x01 : lo;
7824:
7825: return((hi << 8) + lo);
7826: }
7827:
7828: UINT16 pcbios_printer_sjis2jis(UINT16 sjis)
7829: {
7830: UINT8 hi = sjis >> 8;
7831: UINT8 lo = sjis & 0xff;
7832:
7833: if(hi == 0x80 || (hi >= 0xeb && hi <= 0xef) || (hi >= 0xf4 && hi <= 0xff)) {
7834: return(0x2121);
7835: }
7836: if((lo >= 0x00 && lo <= 0x3f) || lo == 0x7f || (lo >= 0xfd && lo <= 0xff)) {
7837: return(0x2121);
7838: }
7839: if(hi >= 0xf0 && hi <= 0xf3) {
7840: // gaiji
7841: if(lo >= 0x40 && lo <= 0x7e) {
7842: return(0x7721 + lo - 0x40 + (hi - 0xf0) * 0x200);
7843: }
7844: if(lo >= 0x80 && lo <= 0x9e) {
7845: return(0x7760 + lo - 0x80 + (hi - 0xf0) * 0x200);
7846: }
7847: if(lo >= 0x9f && lo <= 0xfc) {
7848: return(0x7821 + lo - 0x9f + (hi - 0xf0) * 0x200);
7849: }
7850: }
7851: hi = (hi >= 0xe0) ? hi - 0x40 : hi;
7852: lo = (lo >= 0x80) ? lo - 0x01 : lo;
7853: hi = ((lo >= 0x9e) ? 1 : 0) + (hi - 0x81) * 2 + 0x21;
7854: lo = ((lo >= 0x9e) ? lo - 0x9e : lo - 0x40) + 0x21;
7855:
7856: return((hi << 8) + lo);
7857: }
7858:
1.1.1.38 root 7859: // AX�e�N�j�J�����t�@�����X�K�C�h 1989
7860: // �t�^10 ���{��g��PRINTER DRIVER NIOS�T�d�l
7861: // 6. �R���g���[���R�[�h�̉��
1.1.1.37 root 7862:
7863: void pcbios_printer_out(int c, UINT8 data)
7864: {
7865: if(pio[c].conv_mode) {
7866: if(pio[c].sjis_hi != 0) {
7867: if(!pio[c].jis_mode) {
7868: printer_out(c, 0x1c);
7869: printer_out(c, 0x26);
7870: pio[c].jis_mode = true;
7871: }
7872: UINT16 jis = pcbios_printer_sjis2jis((pio[c].sjis_hi << 8) | data);
7873: printer_out(c, jis >> 8);
7874: printer_out(c, jis & 0xff);
7875: pio[c].sjis_hi = 0;
7876: } else if(pio[c].esc_buf[0] == 0x1b) {
7877: printer_out(c, data);
7878: if(pio[c].esc_len < sizeof(pio[c].esc_buf)) {
7879: pio[c].esc_buf[pio[c].esc_len] = data;
7880: }
7881: pio[c].esc_len++;
7882:
7883: switch(pio[c].esc_buf[1]) {
1.1.1.38 root 7884: case 0x33: // 1Bh 33h XX
7885: case 0x4a: // 1Bh 4Ah XX
7886: case 0x4e: // 1Bh 4Eh XX
7887: case 0x51: // 1Bh 51h XX
7888: case 0x55: // 1Bh 55h XX
7889: case 0x6c: // 1Bh 6Ch XX
7890: case 0x71: // 1Bh 71h XX
7891: case 0x72: // 1Bh 72h XX
1.1.1.37 root 7892: if(pio[c].esc_len == 3) {
7893: pio[c].esc_buf[0] = 0x00;
7894: }
7895: break;
1.1.1.38 root 7896: case 0x24: // 1Bh 24h XX XX
7897: case 0x5c: // 1Bh 5Ch XX XX
1.1.1.37 root 7898: if(pio[c].esc_len == 4) {
7899: pio[c].esc_buf[0] = 0x00;
7900: }
7901: break;
1.1.1.38 root 7902: case 0x2a: // 1Bh 2Ah XX XX XX data
1.1.1.37 root 7903: if(pio[c].esc_len >= 3) {
7904: switch(pio[c].esc_buf[2]) {
7905: case 0: case 1: case 2: case 3: case 4: case 6:
7906: if(pio[c].esc_len >= 5 && pio[c].esc_len == 5 + (pio[c].esc_buf[3] + pio[c].esc_buf[4] * 256) * 1) {
7907: pio[c].esc_buf[0] = 0x00;
7908: }
7909: break;
7910: case 32: case 33: case 38: case 39: case 40:
7911: if(pio[c].esc_len >= 5 && pio[c].esc_len == 5 + (pio[c].esc_buf[3] + pio[c].esc_buf[4] * 256) * 3) {
7912: pio[c].esc_buf[0] = 0x00;
7913: }
7914: break;
1.1.1.38 root 7915: case 71: case 72: case 73:
7916: if(pio[c].esc_len >= 5 && pio[c].esc_len == 5 + (pio[c].esc_buf[3] + pio[c].esc_buf[4] * 256) * 6) {
7917: pio[c].esc_buf[0] = 0x00;
7918: }
7919: break;
1.1.1.37 root 7920: default:
7921: pio[c].esc_buf[0] = 0x00;
7922: break;
7923: }
7924: }
7925: break;
1.1.1.38 root 7926: case 0x40: // 1Bh 40h
1.1.1.37 root 7927: if(pio[c].jis_mode) {
7928: printer_out(c, 0x1c);
7929: printer_out(c, 0x2e);
7930: pio[c].jis_mode = false;
7931: }
7932: pio[c].esc_buf[0] = 0x00;
7933: break;
1.1.1.38 root 7934: case 0x42: // 1Bh 42h data 00h
7935: case 0x44: // 1Bh 44h data 00h
1.1.1.37 root 7936: if(pio[c].esc_len >= 3 && data == 0) {
7937: pio[c].esc_buf[0] = 0x00;
7938: }
7939: break;
1.1.1.38 root 7940: case 0x43: // 1Bh 43h (00h) XX
1.1.1.37 root 7941: if(pio[c].esc_len >= 3 && data != 0) {
7942: pio[c].esc_buf[0] = 0x00;
7943: }
7944: break;
1.1.1.38 root 7945: default: // 1Bh XX
1.1.1.37 root 7946: pio[c].esc_buf[0] = 0x00;
7947: break;
7948: }
7949: } else if(pio[c].esc_buf[0] == 0x1c) {
7950: printer_out(c, data);
7951: if(pio[c].esc_len < sizeof(pio[c].esc_buf)) {
7952: pio[c].esc_buf[pio[c].esc_len] = data;
7953: }
7954: pio[c].esc_len++;
7955:
7956: switch(pio[c].esc_buf[1]) {
1.1.1.38 root 7957: case 0x21: // 1Ch 21h XX
7958: case 0x2d: // 1Ch 2Dh XX
7959: case 0x57: // 1Ch 57h XX
7960: case 0x6b: // 1Ch 6Bh XX
7961: case 0x72: // 1Ch 72h XX
7962: case 0x78: // 1Ch 78h XX
1.1.1.37 root 7963: if(pio[c].esc_len == 3) {
7964: pio[c].esc_buf[0] = 0x00;
7965: }
7966: break;
1.1.1.38 root 7967: case 0x26: // 1Ch 26h
1.1.1.37 root 7968: pio[c].jis_mode = true;
7969: pio[c].esc_buf[0] = 0x00;
7970: break;
1.1.1.38 root 7971: case 0x2e: // 1Ch 2Eh
1.1.1.37 root 7972: pio[c].jis_mode = false;
7973: pio[c].esc_buf[0] = 0x00;
7974: break;
1.1.1.38 root 7975: case 0x32: // 1Ch 32h XX XX data
1.1.1.37 root 7976: if(pio[c].esc_len == 76) {
7977: pio[c].esc_buf[0] = 0x00;
7978: }
7979: break;
1.1.1.38 root 7980: case 0x44: // 1Bh 44h data 00h
1.1.1.37 root 7981: if(pio[c].esc_len == 6) {
7982: pio[c].esc_buf[0] = 0x00;
7983: }
7984: break;
1.1.1.38 root 7985: case 0x53: // 1Ch 53h XX XX
7986: case 0x54: // 1Ch 54h XX XX
1.1.1.37 root 7987: if(pio[c].esc_len == 4) {
7988: pio[c].esc_buf[0] = 0x00;
7989: }
7990: break;
1.1.1.38 root 7991: default: // 1Ch XX
1.1.1.37 root 7992: pio[c].esc_buf[0] = 0x00;
7993: break;
7994: }
7995: } else if(data == 0x1b || data == 0x1c) {
7996: printer_out(c, data);
7997: pio[c].esc_buf[0] = data;
7998: pio[c].esc_len = 1;
7999: } else if((data >= 0x80 && data <= 0x9f) || (data >= 0xe0 && data <= 0xff)) {
8000: pio[c].sjis_hi = data;
8001: } else {
8002: if(pio[c].jis_mode) {
8003: printer_out(c, 0x1c);
8004: printer_out(c, 0x2e);
8005: pio[c].jis_mode = false;
8006: }
8007: printer_out(c, data);
8008: }
8009: } else {
8010: if(pio[c].jis_mode) {
8011: printer_out(c, 0x1c);
8012: printer_out(c, 0x2e);
8013: pio[c].jis_mode = false;
8014: }
8015: printer_out(c, data);
8016: }
8017: }
8018:
8019: inline void pcbios_int_17h_00h()
8020: {
8021: if(REG16(DX) < 3) {
8022: pcbios_printer_out(REG16(DX), REG8(AL));
8023: REG8(AH) = 0xd0;
8024: }
8025: }
8026:
8027: inline void pcbios_int_17h_01h()
8028: {
8029: if(REG16(DX) < 3) {
8030: REG8(AH) = 0xd0;
8031: }
8032: }
8033:
8034: inline void pcbios_int_17h_02h()
8035: {
8036: if(REG16(DX) < 3) {
8037: REG8(AH) = 0xd0;
8038: }
8039: }
8040:
8041: inline void pcbios_int_17h_03h()
8042: {
8043: switch(REG8(AL)) {
8044: case 0x00:
8045: if(REG16(DX) < 3) {
8046: if(pio[REG16(DX)].jis_mode) {
8047: printer_out(REG16(DX), 0x1c);
8048: printer_out(REG16(DX), 0x2e);
8049: pio[REG16(DX)].jis_mode = false;
8050: }
8051: for(UINT16 i = 0; i < REG16(CX); i++) {
8052: printer_out(REG16(DX), mem[SREG_BASE(ES) + REG16(BX) + i]);
8053: }
8054: REG16(CX) = 0x0000;
8055: REG8(AH) = 0xd0;
8056: }
8057: break;
8058: default:
8059: 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));
8060: break;
8061: }
8062: }
8063:
8064: inline void pcbios_int_17h_50h()
8065: {
8066: switch(REG8(AL)) {
8067: case 0x00:
8068: if(REG16(DX) < 3) {
8069: if(REG16(BX) = 0x0001) {
8070: pio[REG16(DX)].conv_mode = false;
8071: REG8(AL) = 0x00;
8072: } else if(REG16(BX) = 0x0051) {
8073: pio[REG16(DX)].conv_mode = true;
8074: REG8(AL) = 0x00;
8075: } else {
8076: REG8(AL) = 0x01;
8077: }
8078: } else {
8079: REG8(AL) = 0x02;
8080: }
8081: break;
8082: case 0x01:
8083: if(REG16(DX) < 3) {
8084: if(pio[REG16(DX)].conv_mode) {
8085: REG16(BX) = 0x0051;
8086: } else {
8087: REG16(BX) = 0x0001;
8088: }
8089: REG8(AL) = 0x00;
8090: } else {
8091: REG8(AL) = 0x02;
8092: }
8093: break;
8094: default:
8095: 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));
8096: break;
8097: }
8098: }
8099:
8100: inline void pcbios_int_17h_51h()
8101: {
8102: if(REG8(DH) >= 0x21 && REG8(DH) <= 0x7e && REG8(DL) >= 0x21 && REG8(DL) <= 0x7e) {
8103: REG16(DX) = pcbios_printer_jis2sjis(REG16(DX));
8104: } else {
8105: REG16(DX) = 0x0000;
8106: }
8107: }
8108:
8109: inline void pcbios_int_17h_52h()
8110: {
8111: if(((REG8(DH) >= 0x81 && REG8(DH) <= 0x9f) || (REG8(DH) >= 0xe0 && REG8(DH) <= 0xfc)) && (REG8(DL) >= 0x40 && REG8(DL) <= 0xfc && REG8(DL) != 0x7f)) {
8112: REG16(DX) = pcbios_printer_sjis2jis(REG16(DX));
8113: } else {
8114: REG16(DX) = 0x0000;
8115: }
8116: }
8117:
8118: inline void pcbios_int_17h_84h()
8119: {
8120: if(REG16(DX) < 3) {
8121: if(pio[REG16(DX)].jis_mode) {
8122: printer_out(REG16(DX), 0x1c);
8123: printer_out(REG16(DX), 0x2e);
8124: pio[REG16(DX)].jis_mode = false;
8125: }
8126: printer_out(REG16(DX), REG8(AL));
8127: REG8(AH) = 0xd0;
8128: }
8129: }
8130:
8131: inline void pcbios_int_17h_85h()
8132: {
8133: pio[0].conv_mode = (REG8(AL) == 0x00);
8134: }
8135:
1.1 root 8136: inline void pcbios_int_1ah_00h()
8137: {
1.1.1.19 root 8138: pcbios_update_daily_timer_counter(timeGetTime());
8139: REG16(CX) = *(UINT16 *)(mem + 0x46e);
8140: REG16(DX) = *(UINT16 *)(mem + 0x46c);
8141: REG8(AL) = mem[0x470];
8142: mem[0x470] = 0;
1.1 root 8143: }
8144:
8145: inline int to_bcd(int t)
8146: {
8147: int u = (t % 100) / 10;
8148: return (u << 4) | (t % 10);
8149: }
8150:
8151: inline void pcbios_int_1ah_02h()
8152: {
8153: SYSTEMTIME time;
8154:
8155: GetLocalTime(&time);
8156: REG8(CH) = to_bcd(time.wHour);
8157: REG8(CL) = to_bcd(time.wMinute);
8158: REG8(DH) = to_bcd(time.wSecond);
8159: REG8(DL) = 0x00;
8160: }
8161:
8162: inline void pcbios_int_1ah_04h()
8163: {
8164: SYSTEMTIME time;
8165:
8166: GetLocalTime(&time);
8167: REG8(CH) = to_bcd(time.wYear / 100);
8168: REG8(CL) = to_bcd(time.wYear);
8169: REG8(DH) = to_bcd(time.wMonth);
8170: REG8(DL) = to_bcd(time.wDay);
8171: }
8172:
8173: inline void pcbios_int_1ah_0ah()
8174: {
8175: SYSTEMTIME time;
8176: FILETIME file_time;
8177: WORD dos_date, dos_time;
8178:
8179: GetLocalTime(&time);
8180: SystemTimeToFileTime(&time, &file_time);
8181: FileTimeToDosDateTime(&file_time, &dos_date, &dos_time);
8182: REG16(CX) = dos_date;
8183: }
8184:
8185: // msdos system call
8186:
8187: inline void msdos_int_21h_00h()
8188: {
1.1.1.3 root 8189: msdos_process_terminate(SREG(CS), retval, 1);
1.1 root 8190: }
8191:
1.1.1.35 root 8192: DWORD WINAPI msdos_int_21h_01h_thread(LPVOID)
1.1 root 8193: {
8194: REG8(AL) = msdos_getche();
1.1.1.33 root 8195: ctrl_break_detected = ctrl_break_pressed;
1.1.1.26 root 8196:
1.1.1.35 root 8197: #ifdef USE_SERVICE_THREAD
8198: service_exit = true;
8199: #endif
8200: return(0);
8201: }
8202:
8203: inline void msdos_int_21h_01h()
8204: {
8205: #ifdef USE_SERVICE_THREAD
8206: start_service_loop(msdos_int_21h_01h_thread);
8207: #else
8208: msdos_int_21h_01h_thread(NULL);
8209: REQUEST_HARDWRE_UPDATE();
8210: #endif
1.1 root 8211: }
8212:
8213: inline void msdos_int_21h_02h()
8214: {
1.1.1.33 root 8215: UINT8 data = REG8(DL);
8216: msdos_putch(data);
8217: REG8(AL) = data;
8218: ctrl_break_detected = ctrl_break_pressed;
1.1 root 8219: }
8220:
8221: inline void msdos_int_21h_03h()
8222: {
8223: REG8(AL) = msdos_aux_in();
8224: }
8225:
8226: inline void msdos_int_21h_04h()
8227: {
8228: msdos_aux_out(REG8(DL));
8229: }
8230:
8231: inline void msdos_int_21h_05h()
8232: {
8233: msdos_prn_out(REG8(DL));
8234: }
8235:
8236: inline void msdos_int_21h_06h()
8237: {
8238: if(REG8(DL) == 0xff) {
8239: if(msdos_kbhit()) {
8240: REG8(AL) = msdos_getch();
1.1.1.3 root 8241: #if defined(HAS_I386)
8242: m_ZF = 0;
8243: #else
8244: m_ZeroVal = 1;
8245: #endif
1.1 root 8246: } else {
8247: REG8(AL) = 0;
1.1.1.3 root 8248: #if defined(HAS_I386)
8249: m_ZF = 1;
8250: #else
8251: m_ZeroVal = 0;
8252: #endif
1.1.1.14 root 8253: maybe_idle();
1.1 root 8254: }
8255: } else {
1.1.1.33 root 8256: UINT8 data = REG8(DL);
8257: msdos_putch(data);
8258: REG8(AL) = data;
1.1 root 8259: }
8260: }
8261:
1.1.1.35 root 8262: DWORD WINAPI msdos_int_21h_07h_thread(LPVOID)
1.1 root 8263: {
8264: REG8(AL) = msdos_getch();
1.1.1.26 root 8265:
1.1.1.35 root 8266: #ifdef USE_SERVICE_THREAD
8267: service_exit = true;
8268: #endif
8269: return(0);
1.1 root 8270: }
8271:
1.1.1.35 root 8272: inline void msdos_int_21h_07h()
8273: {
8274: #ifdef USE_SERVICE_THREAD
8275: start_service_loop(msdos_int_21h_07h_thread);
8276: #else
8277: msdos_int_21h_07h_thread(NULL);
8278: REQUEST_HARDWRE_UPDATE();
8279: #endif
8280: }
8281:
8282: DWORD WINAPI msdos_int_21h_08h_thread(LPVOID)
1.1 root 8283: {
8284: REG8(AL) = msdos_getch();
1.1.1.33 root 8285: ctrl_break_detected = ctrl_break_pressed;
1.1.1.26 root 8286:
1.1.1.35 root 8287: #ifdef USE_SERVICE_THREAD
8288: service_exit = true;
8289: #endif
8290: return(0);
8291: }
8292:
8293: inline void msdos_int_21h_08h()
8294: {
8295: #ifdef USE_SERVICE_THREAD
8296: start_service_loop(msdos_int_21h_08h_thread);
8297: #else
8298: msdos_int_21h_08h_thread(NULL);
8299: REQUEST_HARDWRE_UPDATE();
8300: #endif
1.1 root 8301: }
8302:
8303: inline void msdos_int_21h_09h()
8304: {
1.1.1.21 root 8305: msdos_stdio_reopen();
8306:
1.1.1.20 root 8307: process_t *process = msdos_process_info_get(current_psp);
8308: int fd = msdos_psp_get_file_table(1, current_psp);
8309:
1.1.1.14 root 8310: char *str = (char *)(mem + SREG_BASE(DS) + REG16(DX));
8311: int len = 0;
1.1 root 8312:
1.1.1.14 root 8313: while(str[len] != '$' && len < 0x10000) {
8314: len++;
8315: }
1.1.1.20 root 8316: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 8317: // stdout is redirected to file
1.1.1.20 root 8318: msdos_write(fd, str, len);
1.1 root 8319: } else {
8320: for(int i = 0; i < len; i++) {
1.1.1.14 root 8321: msdos_putch(str[i]);
1.1 root 8322: }
8323: }
1.1.1.33 root 8324: REG8(AL) = '$';
8325: ctrl_break_detected = ctrl_break_pressed;
1.1 root 8326: }
8327:
1.1.1.35 root 8328: DWORD WINAPI msdos_int_21h_0ah_thread(LPVOID)
1.1 root 8329: {
1.1.1.3 root 8330: int ofs = SREG_BASE(DS) + REG16(DX);
1.1 root 8331: int max = mem[ofs] - 1;
8332: UINT8 *buf = mem + ofs + 2;
8333: int chr, p = 0;
8334:
8335: while((chr = msdos_getch()) != 0x0d) {
1.1.1.33 root 8336: if((ctrl_break_checking && ctrl_break_pressed) || ctrl_c_pressed) {
1.1.1.26 root 8337: p = 0;
1.1.1.33 root 8338: msdos_putch(0x03);
8339: msdos_putch(0x0d);
8340: msdos_putch(0x0a);
1.1.1.26 root 8341: break;
1.1.1.33 root 8342: } else if(ctrl_break_pressed) {
8343: // skip this byte
1.1.1.26 root 8344: } else if(chr == 0x00) {
1.1 root 8345: // skip 2nd byte
8346: msdos_getch();
8347: } else if(chr == 0x08) {
8348: // back space
8349: if(p > 0) {
8350: p--;
1.1.1.20 root 8351: if(msdos_ctrl_code_check(buf[p])) {
1.1.1.34 root 8352: msdos_putch(0x08);
8353: msdos_putch(0x08);
8354: msdos_putch(0x20);
8355: msdos_putch(0x20);
8356: msdos_putch(0x08);
8357: msdos_putch(0x08);
1.1.1.36 root 8358: } else if(p > 0 && msdos_kanji_2nd_byte_check(buf, p)) {
8359: p--;
8360: msdos_putch(0x08);
8361: msdos_putch(0x08);
8362: msdos_putch(0x20);
8363: msdos_putch(0x20);
8364: msdos_putch(0x08);
8365: msdos_putch(0x08);
1.1.1.34 root 8366: } else {
8367: msdos_putch(0x08);
8368: msdos_putch(0x20);
8369: msdos_putch(0x08);
8370: }
8371: }
8372: } else if(chr == 0x1b) {
8373: // escape
8374: while(p > 0) {
8375: p--;
8376: if(msdos_ctrl_code_check(buf[p])) {
8377: msdos_putch(0x08);
8378: msdos_putch(0x08);
8379: msdos_putch(0x20);
8380: msdos_putch(0x20);
8381: msdos_putch(0x08);
8382: msdos_putch(0x08);
1.1.1.20 root 8383: } else {
1.1.1.34 root 8384: msdos_putch(0x08);
8385: msdos_putch(0x20);
8386: msdos_putch(0x08);
1.1.1.20 root 8387: }
1.1 root 8388: }
8389: } else if(p < max) {
8390: buf[p++] = chr;
8391: msdos_putch(chr);
8392: }
8393: }
8394: buf[p] = 0x0d;
8395: mem[ofs + 1] = p;
1.1.1.33 root 8396: ctrl_break_detected = ctrl_break_pressed;
1.1.1.26 root 8397:
1.1.1.35 root 8398: #ifdef USE_SERVICE_THREAD
8399: service_exit = true;
8400: #endif
8401: return(0);
8402: }
8403:
8404: inline void msdos_int_21h_0ah()
8405: {
8406: if(mem[SREG_BASE(DS) + REG16(DX)] != 0x00) {
8407: #ifdef USE_SERVICE_THREAD
8408: start_service_loop(msdos_int_21h_0ah_thread);
8409: #else
8410: msdos_int_21h_0ah_thread(NULL);
8411: REQUEST_HARDWRE_UPDATE();
8412: #endif
8413: }
1.1 root 8414: }
8415:
8416: inline void msdos_int_21h_0bh()
8417: {
8418: if(msdos_kbhit()) {
8419: REG8(AL) = 0xff;
8420: } else {
8421: REG8(AL) = 0x00;
1.1.1.14 root 8422: maybe_idle();
1.1 root 8423: }
1.1.1.33 root 8424: ctrl_break_detected = ctrl_break_pressed;
1.1 root 8425: }
8426:
8427: inline void msdos_int_21h_0ch()
8428: {
8429: // clear key buffer
1.1.1.21 root 8430: msdos_stdio_reopen();
8431:
1.1.1.20 root 8432: process_t *process = msdos_process_info_get(current_psp);
8433: int fd = msdos_psp_get_file_table(0, current_psp);
8434:
8435: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 8436: // stdin is redirected to file
8437: } else {
8438: while(msdos_kbhit()) {
8439: msdos_getch();
8440: }
8441: }
8442:
8443: switch(REG8(AL)) {
8444: case 0x01:
8445: msdos_int_21h_01h();
8446: break;
8447: case 0x06:
8448: msdos_int_21h_06h();
8449: break;
8450: case 0x07:
8451: msdos_int_21h_07h();
8452: break;
8453: case 0x08:
8454: msdos_int_21h_08h();
8455: break;
8456: case 0x0a:
8457: msdos_int_21h_0ah();
8458: break;
8459: default:
1.1.1.22 root 8460: // 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));
8461: // REG16(AX) = 0x01;
8462: // m_CF = 1;
1.1 root 8463: break;
8464: }
8465: }
8466:
8467: inline void msdos_int_21h_0dh()
8468: {
8469: }
8470:
8471: inline void msdos_int_21h_0eh()
8472: {
8473: if(REG8(DL) < 26) {
8474: _chdrive(REG8(DL) + 1);
8475: msdos_cds_update(REG8(DL));
1.1.1.23 root 8476: msdos_sda_update(current_psp);
1.1 root 8477: }
8478: REG8(AL) = 26; // zdrive
8479: }
8480:
1.1.1.14 root 8481: inline void msdos_int_21h_0fh()
8482: {
8483: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8484: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
8485: char *path = msdos_fcb_path(fcb);
8486: 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 8487:
1.1.1.14 root 8488: if(hFile == INVALID_HANDLE_VALUE) {
8489: REG8(AL) = 0xff;
8490: } else {
8491: REG8(AL) = 0;
8492: fcb->current_block = 0;
8493: fcb->record_size = 128;
8494: fcb->file_size = GetFileSize(hFile, NULL);
8495: fcb->handle = hFile;
8496: fcb->cur_record = 0;
8497: }
8498: }
8499:
8500: inline void msdos_int_21h_10h()
8501: {
8502: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8503: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
8504:
8505: REG8(AL) = CloseHandle(fcb->handle) ? 0 : 0xff;
8506: }
8507:
1.1 root 8508: inline void msdos_int_21h_11h()
8509: {
1.1.1.3 root 8510: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8511: fcb_t *fcb = (fcb_t *)(mem + SREG_BASE(DS) + REG16(DX) + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 8512:
8513: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 8514: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
8515: ext_fcb_t *ext_find = (ext_fcb_t *)(mem + dta_laddr);
8516: find_fcb_t *find = (find_fcb_t *)(mem + dta_laddr + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 8517: char *path = msdos_fcb_path(fcb);
8518: WIN32_FIND_DATA fd;
8519:
1.1.1.13 root 8520: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, dta_laddr);
8521: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
8522: FindClose(dtainfo->find_handle);
8523: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 8524: }
8525: strcpy(process->volume_label, msdos_volume_label(path));
1.1.1.14 root 8526: dtainfo->allowable_mask = (ext_fcb->flag == 0xff) ? ext_fcb->attribute : 0x20;
8527: bool label_only = (dtainfo->allowable_mask == 8);
1.1 root 8528:
1.1.1.14 root 8529: if((dtainfo->allowable_mask & 8) && !msdos_match_volume_label(path, msdos_short_volume_label(process->volume_label))) {
8530: dtainfo->allowable_mask &= ~8;
1.1 root 8531: }
1.1.1.14 root 8532: if(!label_only && (dtainfo->find_handle = FindFirstFile(path, &fd)) != INVALID_HANDLE_VALUE) {
8533: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 8534: !msdos_find_file_has_8dot3name(&fd)) {
8535: if(!FindNextFile(dtainfo->find_handle, &fd)) {
8536: FindClose(dtainfo->find_handle);
8537: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 8538: break;
8539: }
8540: }
8541: }
1.1.1.13 root 8542: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 8543: if(ext_fcb->flag == 0xff) {
8544: ext_find->flag = 0xff;
8545: memset(ext_find->reserved, 0, 5);
8546: ext_find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
8547: }
8548: find->drive = _getdrive();
1.1.1.13 root 8549: msdos_set_fcb_path((fcb_t *)find, msdos_short_name(&fd));
1.1 root 8550: find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
8551: find->nt_res = 0;
8552: msdos_find_file_conv_local_time(&fd);
8553: find->create_time_ms = 0;
8554: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
8555: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
8556: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
8557: find->cluster_hi = find->cluster_lo = 0;
8558: find->file_size = fd.nFileSizeLow;
8559: REG8(AL) = 0x00;
1.1.1.14 root 8560: } else if(dtainfo->allowable_mask & 8) {
1.1 root 8561: if(ext_fcb->flag == 0xff) {
8562: ext_find->flag = 0xff;
8563: memset(ext_find->reserved, 0, 5);
8564: ext_find->attribute = 8;
8565: }
8566: find->drive = _getdrive();
8567: msdos_set_fcb_path((fcb_t *)find, msdos_short_volume_label(process->volume_label));
8568: find->attribute = 8;
8569: find->nt_res = 0;
8570: msdos_find_file_conv_local_time(&fd);
8571: find->create_time_ms = 0;
8572: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
8573: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
8574: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
8575: find->cluster_hi = find->cluster_lo = 0;
8576: find->file_size = 0;
1.1.1.14 root 8577: dtainfo->allowable_mask &= ~8;
1.1 root 8578: REG8(AL) = 0x00;
8579: } else {
8580: REG8(AL) = 0xff;
8581: }
8582: }
8583:
8584: inline void msdos_int_21h_12h()
8585: {
1.1.1.3 root 8586: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
1.1.1.14 root 8587: // fcb_t *fcb = (fcb_t *)(mem + SREG_BASE(DS) + REG16(DX) + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 8588:
8589: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 8590: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
8591: ext_fcb_t *ext_find = (ext_fcb_t *)(mem + dta_laddr);
8592: find_fcb_t *find = (find_fcb_t *)(mem + dta_laddr + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 8593: WIN32_FIND_DATA fd;
8594:
1.1.1.13 root 8595: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, dta_laddr);
8596: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
8597: if(FindNextFile(dtainfo->find_handle, &fd)) {
1.1.1.14 root 8598: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 8599: !msdos_find_file_has_8dot3name(&fd)) {
8600: if(!FindNextFile(dtainfo->find_handle, &fd)) {
8601: FindClose(dtainfo->find_handle);
8602: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 8603: break;
8604: }
8605: }
8606: } else {
1.1.1.13 root 8607: FindClose(dtainfo->find_handle);
8608: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 8609: }
8610: }
1.1.1.13 root 8611: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 8612: if(ext_fcb->flag == 0xff) {
8613: ext_find->flag = 0xff;
8614: memset(ext_find->reserved, 0, 5);
8615: ext_find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
8616: }
8617: find->drive = _getdrive();
1.1.1.13 root 8618: msdos_set_fcb_path((fcb_t *)find, msdos_short_name(&fd));
1.1 root 8619: find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
8620: find->nt_res = 0;
8621: msdos_find_file_conv_local_time(&fd);
8622: find->create_time_ms = 0;
8623: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
8624: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
8625: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
8626: find->cluster_hi = find->cluster_lo = 0;
8627: find->file_size = fd.nFileSizeLow;
8628: REG8(AL) = 0x00;
1.1.1.14 root 8629: } else if(dtainfo->allowable_mask & 8) {
1.1 root 8630: if(ext_fcb->flag == 0xff) {
8631: ext_find->flag = 0xff;
8632: memset(ext_find->reserved, 0, 5);
8633: ext_find->attribute = 8;
8634: }
8635: find->drive = _getdrive();
8636: msdos_set_fcb_path((fcb_t *)find, msdos_short_volume_label(process->volume_label));
8637: find->attribute = 8;
8638: find->nt_res = 0;
8639: msdos_find_file_conv_local_time(&fd);
8640: find->create_time_ms = 0;
8641: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
8642: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
8643: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
8644: find->cluster_hi = find->cluster_lo = 0;
8645: find->file_size = 0;
1.1.1.14 root 8646: dtainfo->allowable_mask &= ~8;
1.1 root 8647: REG8(AL) = 0x00;
8648: } else {
8649: REG8(AL) = 0xff;
8650: }
8651: }
8652:
8653: inline void msdos_int_21h_13h()
8654: {
1.1.1.3 root 8655: if(remove(msdos_fcb_path((fcb_t *)(mem + SREG_BASE(DS) + REG16(DX))))) {
1.1 root 8656: REG8(AL) = 0xff;
8657: } else {
8658: REG8(AL) = 0x00;
8659: }
8660: }
8661:
1.1.1.16 root 8662: inline void msdos_int_21h_14h()
8663: {
8664: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8665: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
8666: process_t *process = msdos_process_info_get(current_psp);
8667: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
8668: DWORD num = 0;
8669:
8670: memset(mem + dta_laddr, 0, fcb->record_size);
8671: if(!ReadFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL) || num == 0) {
8672: REG8(AL) = 1;
8673: } else {
8674: UINT32 position = fcb->current_block * fcb->record_size + fcb->cur_record + num;
8675: fcb->current_block = (position & 0xffffff) / fcb->record_size;
8676: fcb->cur_record = (position & 0xffffff) % fcb->record_size;
8677: REG8(AL) = (num == fcb->record_size) ? 0 : 3;
8678: }
8679: }
8680:
8681: inline void msdos_int_21h_15h()
1.1.1.14 root 8682: {
8683: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8684: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
1.1.1.16 root 8685: process_t *process = msdos_process_info_get(current_psp);
8686: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
8687: DWORD num = 0;
1.1.1.14 root 8688:
1.1.1.16 root 8689: if(!WriteFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL) || num == 0) {
8690: REG8(AL) = 1;
8691: } else {
8692: fcb->file_size = GetFileSize(fcb->handle, NULL);
8693: UINT32 position = fcb->current_block * fcb->record_size + fcb->cur_record + num;
8694: fcb->current_block = (position & 0xffffff) / fcb->record_size;
8695: fcb->cur_record = (position & 0xffffff) % fcb->record_size;
8696: REG8(AL) = (num == fcb->record_size) ? 0 : 1;
8697: }
8698: }
8699:
8700: inline void msdos_int_21h_16h()
8701: {
8702: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8703: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
1.1.1.14 root 8704: char *path = msdos_fcb_path(fcb);
8705: 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 8706:
1.1.1.14 root 8707: if(hFile == INVALID_HANDLE_VALUE) {
8708: REG8(AL) = 0xff;
8709: } else {
8710: REG8(AL) = 0;
8711: fcb->current_block = 0;
8712: fcb->record_size = 128;
8713: fcb->file_size = 0;
8714: fcb->handle = hFile;
8715: fcb->cur_record = 0;
8716: }
8717: }
8718:
1.1.1.16 root 8719: inline void msdos_int_21h_17h()
8720: {
8721: ext_fcb_t *ext_fcb_src = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8722: fcb_t *fcb_src = (fcb_t *)(ext_fcb_src + (ext_fcb_src->flag == 0xff ? 1 : 0));
8723: char *path_src = msdos_fcb_path(fcb_src);
8724: ext_fcb_t *ext_fcb_dst = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX) + 16);
8725: fcb_t *fcb_dst = (fcb_t *)(ext_fcb_dst + (ext_fcb_dst->flag == 0xff ? 1 : 0));
8726: char *path_dst = msdos_fcb_path(fcb_dst);
8727:
8728: if(rename(path_src, path_dst)) {
8729: REG8(AL) = 0xff;
8730: } else {
8731: REG8(AL) = 0;
8732: }
8733: }
8734:
1.1 root 8735: inline void msdos_int_21h_18h()
8736: {
8737: REG8(AL) = 0x00;
8738: }
8739:
8740: inline void msdos_int_21h_19h()
8741: {
8742: REG8(AL) = _getdrive() - 1;
8743: }
8744:
8745: inline void msdos_int_21h_1ah()
8746: {
8747: process_t *process = msdos_process_info_get(current_psp);
8748:
8749: process->dta.w.l = REG16(DX);
1.1.1.3 root 8750: process->dta.w.h = SREG(DS);
1.1.1.23 root 8751: msdos_sda_update(current_psp);
1.1 root 8752: }
8753:
8754: inline void msdos_int_21h_1bh()
8755: {
8756: int drive_num = _getdrive() - 1;
8757: UINT16 seg, ofs;
8758:
8759: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
8760: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
8761: REG8(AL) = dpb->highest_sector_num + 1;
8762: REG16(CX) = dpb->bytes_per_sector;
8763: REG16(DX) = dpb->highest_cluster_num - 1;
1.1.1.3 root 8764: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(BX)) = dpb->media_type;
1.1 root 8765: } else {
8766: REG8(AL) = 0xff;
1.1.1.3 root 8767: m_CF = 1;
1.1 root 8768: }
8769:
8770: }
8771:
8772: inline void msdos_int_21h_1ch()
8773: {
8774: int drive_num = REG8(DL) ? (REG8(DL) - 1) : (_getdrive() - 1);
8775: UINT16 seg, ofs;
8776:
8777: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
8778: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
8779: REG8(AL) = dpb->highest_sector_num + 1;
8780: REG16(CX) = dpb->bytes_per_sector;
8781: REG16(DX) = dpb->highest_cluster_num - 1;
1.1.1.3 root 8782: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(BX)) = dpb->media_type;
1.1 root 8783: } else {
8784: REG8(AL) = 0xff;
1.1.1.3 root 8785: m_CF = 1;
1.1 root 8786: }
8787:
8788: }
8789:
8790: inline void msdos_int_21h_1dh()
8791: {
8792: REG8(AL) = 0;
8793: }
8794:
8795: inline void msdos_int_21h_1eh()
8796: {
8797: REG8(AL) = 0;
8798: }
8799:
8800: inline void msdos_int_21h_1fh()
8801: {
8802: int drive_num = _getdrive() - 1;
8803: UINT16 seg, ofs;
8804:
8805: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
8806: REG8(AL) = 0;
1.1.1.3 root 8807: SREG(DS) = seg;
8808: i386_load_segment_descriptor(DS);
1.1 root 8809: REG16(BX) = ofs;
8810: } else {
8811: REG8(AL) = 0xff;
1.1.1.3 root 8812: m_CF = 1;
1.1 root 8813: }
8814: }
8815:
8816: inline void msdos_int_21h_20h()
8817: {
8818: REG8(AL) = 0;
8819: }
8820:
1.1.1.14 root 8821: inline void msdos_int_21h_21h()
8822: {
8823: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8824: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
8825:
8826: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
8827: REG8(AL) = 1;
8828: } else {
8829: process_t *process = msdos_process_info_get(current_psp);
8830: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
8831: memset(mem + dta_laddr, 0, fcb->record_size);
1.1.1.16 root 8832: DWORD num = 0;
1.1.1.14 root 8833: if(!ReadFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL) || num == 0) {
8834: REG8(AL) = 1;
8835: } else {
8836: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
8837: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
1.1.1.16 root 8838: REG8(AL) = (num == fcb->record_size) ? 0 : 3;
1.1.1.14 root 8839: }
8840: }
8841: }
8842:
8843: inline void msdos_int_21h_22h()
8844: {
8845: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8846: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
8847:
8848: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
8849: REG8(AL) = 0xff;
8850: } else {
8851: process_t *process = msdos_process_info_get(current_psp);
8852: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
1.1.1.16 root 8853: DWORD num = 0;
1.1.1.14 root 8854: WriteFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL);
8855: fcb->file_size = GetFileSize(fcb->handle, NULL);
8856: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
8857: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
1.1.1.16 root 8858: REG8(AL) = (num == fcb->record_size) ? 0 : 1;
1.1.1.14 root 8859: }
8860: }
8861:
1.1.1.16 root 8862: inline void msdos_int_21h_23h()
8863: {
8864: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8865: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
8866: char *path = msdos_fcb_path(fcb);
8867: HANDLE hFile = CreateFile(path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
8868:
8869: if(hFile == INVALID_HANDLE_VALUE) {
8870: REG8(AL) = 0xff;
8871: } else {
8872: UINT32 size = GetFileSize(hFile, NULL);
8873: fcb->rand_record = size / fcb->record_size + ((size % fcb->record_size) != 0);
8874: REG8(AL) = 0;
8875: }
8876: }
8877:
8878: inline void msdos_int_21h_24h()
8879: {
8880: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8881: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
8882:
8883: fcb->rand_record = fcb->current_block * fcb->record_size + fcb->cur_record;
8884: }
8885:
1.1 root 8886: inline void msdos_int_21h_25h()
8887: {
8888: *(UINT16 *)(mem + 4 * REG8(AL) + 0) = REG16(DX);
1.1.1.3 root 8889: *(UINT16 *)(mem + 4 * REG8(AL) + 2) = SREG(DS);
1.1 root 8890: }
8891:
8892: inline void msdos_int_21h_26h()
8893: {
8894: psp_t *psp = (psp_t *)(mem + (REG16(DX) << 4));
8895:
8896: memcpy(mem + (REG16(DX) << 4), mem + (current_psp << 4), sizeof(psp_t));
8897: psp->first_mcb = REG16(DX) + 16;
8898: psp->int_22h.dw = *(UINT32 *)(mem + 4 * 0x22);
8899: psp->int_23h.dw = *(UINT32 *)(mem + 4 * 0x23);
8900: psp->int_24h.dw = *(UINT32 *)(mem + 4 * 0x24);
8901: psp->parent_psp = 0;
8902: }
8903:
1.1.1.16 root 8904: inline void msdos_int_21h_27h()
8905: {
8906: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8907: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
8908:
8909: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
8910: REG8(AL) = 1;
8911: } else {
8912: process_t *process = msdos_process_info_get(current_psp);
8913: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
8914: memset(mem + dta_laddr, 0, fcb->record_size * REG16(CX));
8915: DWORD num = 0;
8916: if(!ReadFile(fcb->handle, mem + dta_laddr, fcb->record_size * REG16(CX), &num, NULL) || num == 0) {
8917: REG8(AL) = 1;
8918: } else {
8919: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
8920: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
8921: REG8(AL) = (num == fcb->record_size) ? 0 : 3;
8922: REG16(CX) = num / fcb->record_size + ((num % fcb->record_size) != 0);
8923: }
8924: }
8925: }
8926:
8927: inline void msdos_int_21h_28h()
8928: {
8929: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8930: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
8931:
8932: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
8933: REG8(AL) = 0xff;
8934: } else {
8935: process_t *process = msdos_process_info_get(current_psp);
8936: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
8937: DWORD num = 0;
8938: WriteFile(fcb->handle, mem + dta_laddr, fcb->record_size * REG16(CX), &num, NULL);
8939: fcb->file_size = GetFileSize(fcb->handle, NULL);
8940: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
8941: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
8942: REG8(AL) = (num == fcb->record_size) ? 0 : 1;
8943: REG16(CX) = num / fcb->record_size + ((num % fcb->record_size) != 0);
8944: }
8945: }
8946:
1.1 root 8947: inline void msdos_int_21h_29h()
8948: {
1.1.1.20 root 8949: int ofs = 0;//SREG_BASE(DS) + REG16(SI);
8950: char buffer[1024], name[MAX_PATH], ext[MAX_PATH];
1.1 root 8951: UINT8 drv = 0;
8952: char sep_chars[] = ":.;,=+";
8953: char end_chars[] = "\\<>|/\"[]";
8954: char spc_chars[] = " \t";
8955:
1.1.1.20 root 8956: memcpy(buffer, mem + SREG_BASE(DS) + REG16(SI), 1023);
8957: buffer[1023] = 0;
8958: memset(name, 0x20, sizeof(name));
8959: memset(ext, 0x20, sizeof(ext));
8960:
1.1 root 8961: if(REG8(AL) & 1) {
1.1.1.20 root 8962: ofs += strspn((char *)(buffer + ofs), spc_chars);
8963: if(my_strchr(sep_chars, buffer[ofs]) && buffer[ofs] != '\0') {
1.1 root 8964: ofs++;
8965: }
8966: }
1.1.1.20 root 8967: ofs += strspn((char *)(buffer + ofs), spc_chars);
1.1 root 8968:
1.1.1.24 root 8969: if(buffer[ofs + 1] == ':') {
8970: if(buffer[ofs] >= 'a' && buffer[ofs] <= 'z') {
8971: drv = buffer[ofs] - 'a' + 1;
1.1.1.20 root 8972: ofs += 2;
1.1.1.24 root 8973: if(buffer[ofs] == '\\' || buffer[ofs] == '/') {
8974: ofs++;
8975: }
8976: } else if(buffer[ofs] >= 'A' && buffer[ofs] <= 'Z') {
8977: drv = buffer[ofs] - 'A' + 1;
1.1 root 8978: ofs += 2;
1.1.1.24 root 8979: if(buffer[ofs] == '\\' || buffer[ofs] == '/') {
8980: ofs++;
8981: }
1.1 root 8982: }
8983: }
1.1.1.20 root 8984: for(int i = 0, is_kanji = 0; i < MAX_PATH; i++) {
8985: UINT8 c = buffer[ofs];
8986: if(is_kanji) {
8987: is_kanji = 0;
8988: } else if(msdos_lead_byte_check(c)) {
8989: is_kanji = 1;
8990: } else if(c <= 0x20 || my_strchr(end_chars, c) || my_strchr(sep_chars, c)) {
1.1 root 8991: break;
8992: } else if(c >= 'a' && c <= 'z') {
8993: c -= 0x20;
8994: }
8995: ofs++;
8996: name[i] = c;
8997: }
1.1.1.20 root 8998: if(buffer[ofs] == '.') {
1.1 root 8999: ofs++;
1.1.1.20 root 9000: for(int i = 0, is_kanji = 0; i < MAX_PATH; i++) {
9001: UINT8 c = buffer[ofs];
9002: if(is_kanji) {
9003: is_kanji = 0;
9004: } else if(msdos_lead_byte_check(c)) {
9005: is_kanji = 1;
9006: } else if(c <= 0x20 || my_strchr(end_chars, c) || my_strchr(sep_chars, c)) {
1.1 root 9007: break;
9008: } else if(c >= 'a' && c <= 'z') {
9009: c -= 0x20;
9010: }
9011: ofs++;
9012: ext[i] = c;
9013: }
9014: }
1.1.1.20 root 9015: int si = REG16(SI) + ofs;
1.1.1.3 root 9016: int ds = SREG(DS);
1.1 root 9017: while(si > 0xffff) {
9018: si -= 0x10;
9019: ds++;
9020: }
9021: REG16(SI) = si;
1.1.1.3 root 9022: SREG(DS) = ds;
9023: i386_load_segment_descriptor(DS);
1.1 root 9024:
1.1.1.3 root 9025: UINT8 *fcb = mem + SREG_BASE(ES) + REG16(DI);
1.1.1.20 root 9026: if(!(REG8(AL) & 2) || drv != 0) {
9027: fcb[0] = drv;
9028: }
9029: if(!(REG8(AL) & 4) || name[0] != 0x20) {
9030: memcpy(fcb + 1, name, 8);
9031: }
9032: if(!(REG8(AL) & 8) || ext[0] != 0x20) {
9033: memcpy(fcb + 9, ext, 3);
9034: }
9035: for(int i = 1, found_star = 0; i < 1 + 8; i++) {
1.1 root 9036: if(fcb[i] == '*') {
9037: found_star = 1;
9038: }
9039: if(found_star) {
9040: fcb[i] = '?';
9041: }
9042: }
1.1.1.20 root 9043: for(int i = 9, found_star = 0; i < 9 + 3; i++) {
1.1 root 9044: if(fcb[i] == '*') {
9045: found_star = 1;
9046: }
9047: if(found_star) {
9048: fcb[i] = '?';
9049: }
9050: }
9051:
9052: if(drv == 0 || (drv > 0 && drv <= 26 && (GetLogicalDrives() & ( 1 << (drv - 1) )))) {
9053: if(memchr(fcb + 1, '?', 8 + 3)) {
9054: REG8(AL) = 0x01;
1.1.1.20 root 9055: } else {
9056: REG8(AL) = 0x00;
1.1 root 9057: }
9058: } else {
9059: REG8(AL) = 0xff;
9060: }
9061: }
9062:
9063: inline void msdos_int_21h_2ah()
9064: {
9065: SYSTEMTIME sTime;
9066:
9067: GetLocalTime(&sTime);
9068: REG16(CX) = sTime.wYear;
9069: REG8(DH) = (UINT8)sTime.wMonth;
9070: REG8(DL) = (UINT8)sTime.wDay;
9071: REG8(AL) = (UINT8)sTime.wDayOfWeek;
9072: }
9073:
9074: inline void msdos_int_21h_2bh()
9075: {
1.1.1.14 root 9076: REG8(AL) = 0xff;
1.1 root 9077: }
9078:
9079: inline void msdos_int_21h_2ch()
9080: {
9081: SYSTEMTIME sTime;
9082:
9083: GetLocalTime(&sTime);
9084: REG8(CH) = (UINT8)sTime.wHour;
9085: REG8(CL) = (UINT8)sTime.wMinute;
9086: REG8(DH) = (UINT8)sTime.wSecond;
1.1.1.14 root 9087: REG8(DL) = (UINT8)sTime.wMilliseconds / 10;
1.1 root 9088: }
9089:
9090: inline void msdos_int_21h_2dh()
9091: {
9092: REG8(AL) = 0x00;
9093: }
9094:
9095: inline void msdos_int_21h_2eh()
9096: {
9097: process_t *process = msdos_process_info_get(current_psp);
9098:
9099: process->verify = REG8(AL);
9100: }
9101:
9102: inline void msdos_int_21h_2fh()
9103: {
9104: process_t *process = msdos_process_info_get(current_psp);
9105:
9106: REG16(BX) = process->dta.w.l;
1.1.1.3 root 9107: SREG(ES) = process->dta.w.h;
9108: i386_load_segment_descriptor(ES);
1.1 root 9109: }
9110:
9111: inline void msdos_int_21h_30h()
9112: {
9113: // Version Flag / OEM
1.1.1.27 root 9114: if(REG8(AL) == 0x01) {
1.1.1.29 root 9115: #ifdef SUPPORT_HMA
9116: REG16(BX) = 0x0000;
9117: #else
9118: REG16(BX) = 0x1000; // DOS is in HMA
9119: #endif
1.1 root 9120: } else {
1.1.1.27 root 9121: // NOTE: EXDEB invites BL shows the machine type (0=PC-98, 1=PC/AT, 2=FMR),
9122: // but this is not correct on Windows 98 SE
9123: // REG16(BX) = 0xff01; // OEM = Microsoft, PC/AT
9124: REG16(BX) = 0xff00; // OEM = Microsoft
1.1 root 9125: }
1.1.1.27 root 9126: REG16(CX) = 0x0000;
1.1.1.30 root 9127: REG8(AL) = dos_major_version; // 7
9128: REG8(AH) = dos_minor_version; // 10
1.1 root 9129: }
9130:
9131: inline void msdos_int_21h_31h()
9132: {
1.1.1.29 root 9133: try {
9134: msdos_mem_realloc(current_psp, REG16(DX), NULL);
9135: } catch(...) {
9136: // recover the broken mcb
9137: int mcb_seg = current_psp - 1;
9138: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1.1.33 root 9139:
1.1.1.29 root 9140: if(mcb_seg < (MEMORY_END >> 4)) {
1.1.1.33 root 9141: mcb->mz = 'M';
9142: mcb->paragraphs = (MEMORY_END >> 4) - mcb_seg - 2;
9143:
1.1.1.29 root 9144: if(((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked & 0x01) {
1.1.1.39! root 9145: msdos_mcb_create((MEMORY_END >> 4) - 1, 'M', PSP_SYSTEM, (UMB_TOP >> 4) - (MEMORY_END >> 4), "SC");
1.1.1.29 root 9146: } else {
1.1.1.39! root 9147: msdos_mcb_create((MEMORY_END >> 4) - 1, 'Z', PSP_SYSTEM, 0, "SC");
1.1.1.29 root 9148: }
9149: } else {
9150: mcb->mz = 'Z';
1.1.1.30 root 9151: mcb->paragraphs = (UMB_END >> 4) - mcb_seg - 1;
1.1.1.29 root 9152: }
9153: msdos_mem_realloc(current_psp, REG16(DX), NULL);
9154: }
1.1 root 9155: msdos_process_terminate(current_psp, REG8(AL) | 0x300, 0);
9156: }
9157:
9158: inline void msdos_int_21h_32h()
9159: {
9160: int drive_num = (REG8(DL) == 0) ? (_getdrive() - 1) : (REG8(DL) - 1);
9161: UINT16 seg, ofs;
9162:
9163: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
9164: REG8(AL) = 0;
1.1.1.3 root 9165: SREG(DS) = seg;
9166: i386_load_segment_descriptor(DS);
1.1 root 9167: REG16(BX) = ofs;
9168: } else {
9169: REG8(AL) = 0xff;
1.1.1.3 root 9170: m_CF = 1;
1.1 root 9171: }
9172: }
9173:
9174: inline void msdos_int_21h_33h()
9175: {
9176: char path[MAX_PATH];
9177:
9178: switch(REG8(AL)) {
9179: case 0x00:
1.1.1.33 root 9180: REG8(DL) = ctrl_break_checking;
1.1 root 9181: break;
9182: case 0x01:
1.1.1.33 root 9183: ctrl_break_checking = REG8(DL);
9184: break;
9185: case 0x02:
9186: {
9187: UINT8 old = ctrl_break_checking;
9188: ctrl_break_checking = REG8(DL);
9189: REG8(DL) = old;
9190: }
9191: break;
9192: case 0x03:
9193: case 0x04:
9194: // DOS 4.0+ - Unused
1.1 root 9195: break;
9196: case 0x05:
9197: GetSystemDirectory(path, MAX_PATH);
9198: if(path[0] >= 'a' && path[0] <= 'z') {
9199: REG8(DL) = path[0] - 'a' + 1;
9200: } else {
9201: REG8(DL) = path[0] - 'A' + 1;
9202: }
9203: break;
9204: case 0x06:
1.1.1.2 root 9205: // MS-DOS version (7.10)
1.1 root 9206: REG8(BL) = 7;
1.1.1.2 root 9207: REG8(BH) = 10;
1.1 root 9208: REG8(DL) = 0;
1.1.1.29 root 9209: #ifdef SUPPORT_HMA
9210: REG8(DH) = 0x00;
9211: #else
9212: REG8(DH) = 0x10; // DOS is in HMA
9213: #endif
1.1 root 9214: break;
1.1.1.6 root 9215: case 0x07:
9216: if(REG8(DL) == 0) {
9217: ((dos_info_t *)(mem + DOS_INFO_TOP))->dos_flag &= ~0x20;
9218: } else if(REG8(DL) == 1) {
9219: ((dos_info_t *)(mem + DOS_INFO_TOP))->dos_flag |= 0x20;
9220: }
9221: break;
1.1 root 9222: default:
1.1.1.22 root 9223: 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 9224: REG16(AX) = 0x01;
1.1.1.3 root 9225: m_CF = 1;
1.1 root 9226: break;
9227: }
9228: }
9229:
1.1.1.23 root 9230: inline void msdos_int_21h_34h()
9231: {
9232: SREG(ES) = SDA_TOP >> 4;
9233: i386_load_segment_descriptor(ES);
9234: REG16(BX) = offsetof(sda_t, indos_flag);;
9235: }
9236:
1.1 root 9237: inline void msdos_int_21h_35h()
9238: {
9239: REG16(BX) = *(UINT16 *)(mem + 4 * REG8(AL) + 0);
1.1.1.3 root 9240: SREG(ES) = *(UINT16 *)(mem + 4 * REG8(AL) + 2);
9241: i386_load_segment_descriptor(ES);
1.1 root 9242: }
9243:
9244: inline void msdos_int_21h_36h()
9245: {
9246: struct _diskfree_t df = {0};
9247:
9248: if(_getdiskfree(REG8(DL), &df) == 0) {
9249: REG16(AX) = (UINT16)df.sectors_per_cluster;
9250: REG16(CX) = (UINT16)df.bytes_per_sector;
1.1.1.13 root 9251: REG16(BX) = df.avail_clusters > 0xFFFF ? 0xFFFF : (UINT16)df.avail_clusters;
9252: REG16(DX) = df.total_clusters > 0xFFFF ? 0xFFFF : (UINT16)df.total_clusters;
1.1 root 9253: } else {
9254: REG16(AX) = 0xffff;
9255: }
9256: }
9257:
9258: inline void msdos_int_21h_37h()
9259: {
1.1.1.22 root 9260: static UINT8 dev_flag = 0xff;
1.1 root 9261:
9262: switch(REG8(AL)) {
9263: case 0x00:
1.1.1.22 root 9264: {
9265: process_t *process = msdos_process_info_get(current_psp);
9266: REG8(AL) = 0x00;
9267: REG8(DL) = process->switchar;
9268: }
1.1 root 9269: break;
9270: case 0x01:
1.1.1.22 root 9271: {
9272: process_t *process = msdos_process_info_get(current_psp);
9273: REG8(AL) = 0x00;
9274: process->switchar = REG8(DL);
1.1.1.23 root 9275: msdos_sda_update(current_psp);
1.1.1.22 root 9276: }
9277: break;
9278: case 0x02:
9279: REG8(DL) = dev_flag;
9280: break;
9281: case 0x03:
9282: dev_flag = REG8(DL);
9283: break;
9284: case 0xd0:
9285: case 0xd1:
9286: case 0xd2:
9287: case 0xd3:
9288: case 0xd4:
9289: case 0xd5:
9290: case 0xd6:
9291: case 0xd7:
9292: case 0xdc:
9293: case 0xdd:
9294: case 0xde:
9295: case 0xdf:
9296: // diet ???
9297: REG16(AX) = 1;
1.1 root 9298: break;
9299: default:
1.1.1.22 root 9300: 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 9301: REG16(AX) = 1;
9302: break;
9303: }
9304: }
9305:
1.1.1.19 root 9306: int get_country_info(country_info_t *ci)
1.1.1.17 root 9307: {
9308: char LCdata[80];
9309:
1.1.1.19 root 9310: ZeroMemory(ci, offsetof(country_info_t, reserved));
1.1.1.17 root 9311: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_ICURRDIGITS, LCdata, sizeof(LCdata));
9312: ci->currency_dec_digits = atoi(LCdata);
9313: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_ICURRENCY, LCdata, sizeof(LCdata));
9314: ci->currency_format = *LCdata - '0';
9315: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_IDATE, LCdata, sizeof(LCdata));
9316: ci->date_format = *LCdata - '0';
9317: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SCURRENCY, LCdata, sizeof(LCdata));
9318: memcpy(&ci->currency_symbol, LCdata, 4);
9319: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SDATE, LCdata, sizeof(LCdata));
9320: *ci->date_sep = *LCdata;
9321: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SDECIMAL, LCdata, sizeof(LCdata));
9322: *ci->dec_sep = *LCdata;
9323: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SLIST, LCdata, sizeof(LCdata));
9324: *ci->list_sep = *LCdata;
9325: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_STHOUSAND, LCdata, sizeof(LCdata));
9326: *ci->thou_sep = *LCdata;
9327: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_STIME, LCdata, sizeof(LCdata));
9328: *ci->time_sep = *LCdata;
9329: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_STIMEFORMAT, LCdata, sizeof(LCdata));
9330: if(strchr(LCdata, 'H') != NULL) {
9331: ci->time_format = 1;
9332: }
1.1.1.27 root 9333: ci->case_map.w.l = 0x000a; // dummy case map routine is at fffd:000a
1.1.1.24 root 9334: ci->case_map.w.h = 0xfffd;
1.1.1.17 root 9335: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_ICOUNTRY, LCdata, sizeof(LCdata));
9336: return atoi(LCdata);
9337: }
9338:
1.1.1.14 root 9339: inline void msdos_int_21h_38h()
9340: {
9341: switch(REG8(AL)) {
9342: case 0x00:
1.1.1.19 root 9343: REG16(BX) = get_country_info((country_info_t *)(mem + SREG_BASE(DS) + REG16(DX)));
1.1.1.14 root 9344: break;
9345: default:
1.1.1.22 root 9346: 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 9347: REG16(AX) = 2;
9348: m_CF = 1;
9349: break;
9350: }
9351: }
9352:
1.1 root 9353: inline void msdos_int_21h_39h(int lfn)
9354: {
1.1.1.3 root 9355: if(_mkdir(msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn))) {
1.1 root 9356: REG16(AX) = errno;
1.1.1.3 root 9357: m_CF = 1;
1.1 root 9358: }
9359: }
9360:
9361: inline void msdos_int_21h_3ah(int lfn)
9362: {
1.1.1.3 root 9363: if(_rmdir(msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn))) {
1.1 root 9364: REG16(AX) = errno;
1.1.1.3 root 9365: m_CF = 1;
1.1 root 9366: }
9367: }
9368:
9369: inline void msdos_int_21h_3bh(int lfn)
9370: {
1.1.1.3 root 9371: if(_chdir(msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn))) {
1.1.1.17 root 9372: REG16(AX) = 3; // must be 3 (path not found)
1.1.1.3 root 9373: m_CF = 1;
1.1 root 9374: }
9375: }
9376:
9377: inline void msdos_int_21h_3ch()
9378: {
1.1.1.3 root 9379: char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 9380: int attr = GetFileAttributes(path);
1.1.1.37 root 9381: int fd = -1;
1.1.1.11 root 9382: UINT16 info;
1.1.1.37 root 9383: int sio_port = 0;
9384: int lpt_port = 0;
1.1 root 9385:
1.1.1.11 root 9386: if(msdos_is_con_path(path)) {
9387: fd = _open("CON", _O_WRONLY | _O_BINARY);
9388: info = 0x80d3;
1.1.1.37 root 9389: } else if((sio_port = msdos_is_comm_path(path)) != 0) {
1.1.1.38 root 9390: fd = _open("NUL", _O_RDWR | _O_BINARY);
1.1.1.14 root 9391: info = 0x80d3;
1.1.1.37 root 9392: msdos_set_comm_params(sio_port, path);
9393: } else if((lpt_port = msdos_is_prn_path(path)) != 0) {
9394: fd = _open("NUL", _O_WRONLY | _O_BINARY);
9395: info = 0xa8c0;
1.1.1.29 root 9396: } else if(msdos_is_device_path(path)) {
1.1.1.20 root 9397: fd = _open("NUL", _O_WRONLY | _O_BINARY);
9398: info = 0x80d3;
1.1 root 9399: } else {
9400: fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
1.1.1.11 root 9401: info = msdos_drive_number(path);
1.1 root 9402: }
9403: if(fd != -1) {
9404: if(attr == -1) {
9405: attr = msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY;
9406: }
9407: SetFileAttributes(path, attr);
9408: REG16(AX) = fd;
1.1.1.37 root 9409: msdos_file_handler_open(fd, path, _isatty(fd), 2, info, current_psp, sio_port, lpt_port);
1.1.1.20 root 9410: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 9411: } else {
9412: REG16(AX) = errno;
1.1.1.3 root 9413: m_CF = 1;
1.1 root 9414: }
9415: }
9416:
9417: inline void msdos_int_21h_3dh()
9418: {
1.1.1.3 root 9419: char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 9420: int mode = REG8(AL) & 0x03;
1.1.1.37 root 9421: int fd = -1;
1.1.1.11 root 9422: UINT16 info;
1.1.1.37 root 9423: int sio_port = 0;
9424: int lpt_port = 0;
1.1 root 9425:
9426: if(mode < 0x03) {
1.1.1.11 root 9427: if(msdos_is_con_path(path)) {
1.1.1.13 root 9428: fd = msdos_open("CON", file_mode[mode].mode);
1.1.1.11 root 9429: info = 0x80d3;
1.1.1.37 root 9430: } else if((sio_port = msdos_is_comm_path(path)) != 0) {
9431: fd = msdos_open("NUL", file_mode[mode].mode);
1.1.1.14 root 9432: info = 0x80d3;
1.1.1.37 root 9433: msdos_set_comm_params(sio_port, path);
9434: } else if((lpt_port = msdos_is_prn_path(path)) != 0) {
9435: fd = _open("NUL", file_mode[mode].mode);
9436: info = 0xa8c0;
1.1.1.29 root 9437: } else if(msdos_is_device_path(path)) {
1.1.1.20 root 9438: fd = msdos_open("NUL", file_mode[mode].mode);
9439: info = 0x80d3;
1.1.1.11 root 9440: } else {
1.1.1.13 root 9441: fd = msdos_open(path, file_mode[mode].mode);
1.1.1.11 root 9442: info = msdos_drive_number(path);
9443: }
1.1 root 9444: if(fd != -1) {
9445: REG16(AX) = fd;
1.1.1.37 root 9446: msdos_file_handler_open(fd, path, _isatty(fd), mode, info, current_psp, sio_port, lpt_port);
1.1.1.20 root 9447: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 9448: } else {
9449: REG16(AX) = errno;
1.1.1.3 root 9450: m_CF = 1;
1.1 root 9451: }
9452: } else {
9453: REG16(AX) = 0x0c;
1.1.1.3 root 9454: m_CF = 1;
1.1 root 9455: }
9456: }
9457:
9458: inline void msdos_int_21h_3eh()
9459: {
9460: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 9461: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 9462:
1.1.1.20 root 9463: if(fd < process->max_files && file_handler[fd].valid) {
9464: _close(fd);
9465: msdos_file_handler_close(fd);
9466: msdos_psp_set_file_table(REG16(BX), 0x0ff, current_psp);
1.1 root 9467: } else {
9468: REG16(AX) = 0x06;
1.1.1.3 root 9469: m_CF = 1;
1.1 root 9470: }
9471: }
9472:
1.1.1.35 root 9473: DWORD WINAPI msdos_int_21h_3fh_thread(LPVOID)
9474: {
9475: UINT8 *buf = mem + SREG_BASE(DS) + REG16(DX);
9476: int max = REG16(CX);
9477: int p = 0;
9478:
9479: while(max > p) {
9480: int chr = msdos_getch();
9481:
9482: if((ctrl_break_checking && ctrl_break_pressed) || ctrl_c_pressed) {
9483: p = 0;
9484: buf[p++] = 0x0d;
9485: if(max > p) {
9486: buf[p++] = 0x0a;
9487: }
9488: msdos_putch(0x03);
9489: msdos_putch(0x0d);
9490: msdos_putch(0x0a);
9491: break;
9492: } else if(ctrl_break_pressed) {
9493: // skip this byte
9494: } else if(chr == 0x00) {
9495: // skip 2nd byte
9496: msdos_getch();
9497: } else if(chr == 0x0d) {
9498: // carriage return
9499: buf[p++] = 0x0d;
9500: if(max > p) {
9501: buf[p++] = 0x0a;
9502: }
9503: msdos_putch('\n');
9504: break;
9505: } else if(chr == 0x08) {
9506: // back space
9507: if(p > 0) {
9508: p--;
9509: if(msdos_ctrl_code_check(buf[p])) {
9510: msdos_putch(0x08);
9511: msdos_putch(0x08);
9512: msdos_putch(0x20);
9513: msdos_putch(0x20);
9514: msdos_putch(0x08);
9515: msdos_putch(0x08);
1.1.1.36 root 9516: } else if(p > 0 && msdos_kanji_2nd_byte_check(buf, p)) {
9517: p--;
9518: msdos_putch(0x08);
9519: msdos_putch(0x08);
9520: msdos_putch(0x20);
9521: msdos_putch(0x20);
9522: msdos_putch(0x08);
9523: msdos_putch(0x08);
1.1.1.35 root 9524: } else {
9525: msdos_putch(0x08);
9526: msdos_putch(0x20);
9527: msdos_putch(0x08);
9528: }
9529: }
9530: } else if(chr == 0x1b) {
9531: // escape
9532: while(p > 0) {
9533: p--;
9534: if(msdos_ctrl_code_check(buf[p])) {
9535: msdos_putch(0x08);
9536: msdos_putch(0x08);
9537: msdos_putch(0x20);
9538: msdos_putch(0x20);
9539: msdos_putch(0x08);
9540: msdos_putch(0x08);
9541: } else {
9542: msdos_putch(0x08);
9543: msdos_putch(0x20);
9544: msdos_putch(0x08);
9545: }
9546: }
9547: } else {
9548: buf[p++] = chr;
9549: msdos_putch(chr);
9550: }
9551: }
9552: REG16(AX) = p;
9553:
9554: #ifdef USE_SERVICE_THREAD
9555: service_exit = true;
9556: #endif
9557: return(0);
9558: }
9559:
1.1 root 9560: inline void msdos_int_21h_3fh()
9561: {
9562: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 9563: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 9564:
1.1.1.20 root 9565: if(fd < process->max_files && file_handler[fd].valid) {
9566: if(file_mode[file_handler[fd].mode].in) {
9567: if(file_handler[fd].atty) {
1.1 root 9568: // BX is stdin or is redirected to stdin
1.1.1.35 root 9569: if(REG16(CX) != 0) {
9570: #ifdef USE_SERVICE_THREAD
9571: start_service_loop(msdos_int_21h_3fh_thread);
9572: #else
9573: msdos_int_21h_3fh_thread(NULL);
9574: REQUEST_HARDWRE_UPDATE();
9575: #endif
9576: } else {
9577: REG16(AX) = 0;
1.1 root 9578: }
9579: } else {
1.1.1.37 root 9580: REG16(AX) = msdos_read(fd, mem + SREG_BASE(DS) + REG16(DX), REG16(CX));
1.1 root 9581: }
9582: } else {
9583: REG16(AX) = 0x05;
1.1.1.3 root 9584: m_CF = 1;
1.1 root 9585: }
9586: } else {
9587: REG16(AX) = 0x06;
1.1.1.3 root 9588: m_CF = 1;
1.1 root 9589: }
9590: }
9591:
9592: inline void msdos_int_21h_40h()
9593: {
9594: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 9595: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 9596:
1.1.1.20 root 9597: if(fd < process->max_files && file_handler[fd].valid) {
9598: if(file_mode[file_handler[fd].mode].out) {
1.1 root 9599: if(REG16(CX)) {
1.1.1.20 root 9600: if(file_handler[fd].atty) {
1.1 root 9601: // BX is stdout/stderr or is redirected to stdout
9602: for(int i = 0; i < REG16(CX); i++) {
1.1.1.3 root 9603: msdos_putch(mem[SREG_BASE(DS) + REG16(DX) + i]);
1.1 root 9604: }
9605: REG16(AX) = REG16(CX);
9606: } else {
1.1.1.20 root 9607: REG16(AX) = msdos_write(fd, mem + SREG_BASE(DS) + REG16(DX), REG16(CX));
1.1 root 9608: }
9609: } else {
1.1.1.20 root 9610: UINT32 pos = _tell(fd);
9611: _lseek(fd, 0, SEEK_END);
9612: UINT32 size = _tell(fd);
1.1.1.12 root 9613: if(pos < size) {
1.1.1.20 root 9614: _lseek(fd, pos, SEEK_SET);
9615: SetEndOfFile((HANDLE)_get_osfhandle(fd));
1.1.1.12 root 9616: } else {
9617: for(UINT32 i = size; i < pos; i++) {
9618: UINT8 tmp = 0;
1.1.1.23 root 9619: msdos_write(fd, &tmp, 1);
1.1.1.12 root 9620: }
1.1.1.20 root 9621: _lseek(fd, pos, SEEK_SET);
1.1 root 9622: }
1.1.1.23 root 9623: REG16(AX) = 0;
1.1 root 9624: }
9625: } else {
9626: REG16(AX) = 0x05;
1.1.1.3 root 9627: m_CF = 1;
1.1 root 9628: }
9629: } else {
9630: REG16(AX) = 0x06;
1.1.1.3 root 9631: m_CF = 1;
1.1 root 9632: }
9633: }
9634:
9635: inline void msdos_int_21h_41h(int lfn)
9636: {
1.1.1.3 root 9637: if(remove(msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn))) {
1.1 root 9638: REG16(AX) = errno;
1.1.1.3 root 9639: m_CF = 1;
1.1 root 9640: }
9641: }
9642:
9643: inline void msdos_int_21h_42h()
9644: {
9645: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 9646: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 9647:
1.1.1.20 root 9648: if(fd < process->max_files && file_handler[fd].valid) {
1.1 root 9649: if(REG8(AL) < 0x03) {
1.1.1.35 root 9650: static const int ptrname[] = { SEEK_SET, SEEK_CUR, SEEK_END };
1.1.1.20 root 9651: _lseek(fd, (REG16(CX) << 16) | REG16(DX), ptrname[REG8(AL)]);
9652: UINT32 pos = _tell(fd);
1.1 root 9653: REG16(AX) = pos & 0xffff;
9654: REG16(DX) = (pos >> 16);
9655: } else {
9656: REG16(AX) = 0x01;
1.1.1.3 root 9657: m_CF = 1;
1.1 root 9658: }
9659: } else {
9660: REG16(AX) = 0x06;
1.1.1.3 root 9661: m_CF = 1;
1.1 root 9662: }
9663: }
9664:
9665: inline void msdos_int_21h_43h(int lfn)
9666: {
1.1.1.3 root 9667: char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn);
1.1 root 9668: int attr;
9669:
1.1.1.14 root 9670: if(!lfn && REG8(AL) > 2) {
9671: REG16(AX) = 0x01;
9672: m_CF = 1;
9673: return;
9674: }
9675: switch(REG8(lfn ? BL : AL)) {
1.1 root 9676: case 0x00:
9677: if((attr = GetFileAttributes(path)) != -1) {
1.1.1.14 root 9678: REG16(CX) = (UINT16)msdos_file_attribute_create((UINT16)attr);
9679: } else {
9680: REG16(AX) = (UINT16)GetLastError();
9681: m_CF = 1;
9682: }
9683: break;
9684: case 0x01:
9685: if(!SetFileAttributes(path, msdos_file_attribute_create(REG16(CX)))) {
9686: REG16(AX) = (UINT16)GetLastError();
9687: m_CF = 1;
9688: }
9689: break;
9690: case 0x02:
9691: {
9692: DWORD size = GetCompressedFileSize(path, NULL);
9693: if(size != INVALID_FILE_SIZE) {
9694: if(size != 0 && size == GetFileSize(path, NULL)) {
9695: DWORD sectors_per_cluster, bytes_per_sector, free_clusters, total_clusters;
9696: // this isn't correct if the file is in the NTFS MFT
9697: if(GetDiskFreeSpace(path, §ors_per_cluster, &bytes_per_sector, &free_clusters, &total_clusters)) {
9698: size = ((size - 1) | (sectors_per_cluster * bytes_per_sector - 1)) + 1;
9699: }
9700: }
9701: REG16(AX) = LOWORD(size);
9702: REG16(DX) = HIWORD(size);
9703: } else {
9704: REG16(AX) = (UINT16)GetLastError();
9705: m_CF = 1;
1.1 root 9706: }
1.1.1.14 root 9707: }
9708: break;
9709: case 0x03:
9710: case 0x05:
9711: case 0x07:
9712: {
9713: HANDLE hFile = CreateFile(path, FILE_WRITE_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
9714: if(hFile != INVALID_HANDLE_VALUE) {
9715: FILETIME local, time;
9716: DosDateTimeToFileTime(REG16(DI), /*REG8(BL) == 5 ? 0 : */REG16(CX), &local);
9717: if(REG8(BL) == 7) {
9718: ULARGE_INTEGER hund;
9719: hund.LowPart = local.dwLowDateTime;
9720: hund.HighPart = local.dwHighDateTime;
9721: hund.QuadPart += REG16(SI) * 100000;
9722: local.dwLowDateTime = hund.LowPart;
9723: local.dwHighDateTime = hund.HighPart;
9724: }
9725: LocalFileTimeToFileTime(&local, &time);
9726: if(!SetFileTime(hFile, REG8(BL) == 0x07 ? &time : NULL,
9727: REG8(BL) == 0x05 ? &time : NULL,
9728: REG8(BL) == 0x03 ? &time : NULL)) {
9729: REG16(AX) = (UINT16)GetLastError();
9730: m_CF = 1;
9731: }
9732: CloseHandle(hFile);
9733: } else {
9734: REG16(AX) = (UINT16)GetLastError();
9735: m_CF = 1;
1.1 root 9736: }
1.1.1.14 root 9737: }
9738: break;
9739: case 0x04:
9740: case 0x06:
9741: case 0x08:
9742: {
9743: WIN32_FILE_ATTRIBUTE_DATA fad;
9744: if(GetFileAttributesEx(path, GetFileExInfoStandard, (LPVOID)&fad)) {
9745: FILETIME *time, local;
9746: time = REG8(BL) == 0x04 ? &fad.ftLastWriteTime :
9747: 0x06 ? &fad.ftLastAccessTime :
9748: &fad.ftCreationTime;
9749: FileTimeToLocalFileTime(time, &local);
9750: FileTimeToDosDateTime(&local, ®16(DI), ®16(CX));
9751: if(REG8(BL) == 0x08) {
9752: ULARGE_INTEGER hund;
9753: hund.LowPart = local.dwLowDateTime;
9754: hund.HighPart = local.dwHighDateTime;
9755: hund.QuadPart /= 100000;
9756: REG16(SI) = (UINT16)(hund.QuadPart % 200);
9757: }
9758: } else {
9759: REG16(AX) = (UINT16)GetLastError();
9760: m_CF = 1;
1.1 root 9761: }
1.1.1.14 root 9762: }
9763: break;
9764: default:
1.1.1.22 root 9765: 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 9766: REG16(AX) = 0x01;
9767: m_CF = 1;
9768: break;
9769: }
9770: }
9771:
9772: inline void msdos_int_21h_44h()
9773: {
1.1.1.22 root 9774: static UINT16 iteration_count = 0;
9775:
1.1.1.20 root 9776: process_t *process = msdos_process_info_get(current_psp);
9777: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
9778:
1.1.1.14 root 9779: UINT32 val = DRIVE_NO_ROOT_DIR;
9780:
9781: switch(REG8(AL)) {
9782: case 0x00:
9783: case 0x01:
9784: case 0x02:
9785: case 0x03:
9786: case 0x04:
9787: case 0x05:
9788: case 0x06:
9789: case 0x07:
1.1.1.20 root 9790: if(fd >= process->max_files || !file_handler[fd].valid) {
9791: REG16(AX) = 0x06;
9792: m_CF = 1;
9793: return;
1.1.1.14 root 9794: }
9795: break;
9796: case 0x08:
9797: case 0x09:
9798: if(REG8(BL) >= ('Z' - 'A' + 1)) {
9799: // invalid drive number
9800: REG16(AX) = 0x0f;
9801: m_CF = 1;
9802: return;
9803: } else {
9804: if(REG8(BL) == 0) {
9805: val = GetDriveType(NULL);
9806: } else {
9807: char tmp[8];
9808: sprintf(tmp, "%c:\\", 'A' + REG8(BL) - 1);
9809: val = GetDriveType(tmp);
9810: }
9811: if(val == DRIVE_NO_ROOT_DIR) {
9812: // no drive
9813: REG16(AX) = 0x0f;
9814: m_CF = 1;
9815: return;
1.1 root 9816: }
9817: }
9818: break;
9819: }
9820: switch(REG8(AL)) {
9821: case 0x00: // get ioctrl data
1.1.1.20 root 9822: REG16(DX) = file_handler[fd].info;
1.1 root 9823: break;
9824: case 0x01: // set ioctrl data
1.1.1.20 root 9825: file_handler[fd].info |= REG8(DL);
1.1 root 9826: break;
9827: case 0x02: // recv from character device
9828: case 0x03: // send to character device
9829: case 0x04: // recv from block device
9830: case 0x05: // send to block device
9831: REG16(AX) = 0x05;
1.1.1.3 root 9832: m_CF = 1;
1.1 root 9833: break;
9834: case 0x06: // get read status
1.1.1.20 root 9835: if(file_mode[file_handler[fd].mode].in) {
9836: if(file_handler[fd].atty) {
1.1.1.14 root 9837: REG8(AL) = msdos_kbhit() ? 0xff : 0x00;
1.1 root 9838: } else {
1.1.1.20 root 9839: REG8(AL) = eof(fd) ? 0x00 : 0xff;
1.1 root 9840: }
1.1.1.14 root 9841: } else {
9842: REG8(AL) = 0x00;
1.1 root 9843: }
9844: break;
9845: case 0x07: // get write status
1.1.1.20 root 9846: if(file_mode[file_handler[fd].mode].out) {
1.1.1.14 root 9847: REG8(AL) = 0xff;
9848: } else {
9849: REG8(AL) = 0x00;
1.1 root 9850: }
9851: break;
9852: case 0x08: // check removable drive
1.1.1.14 root 9853: if(val == DRIVE_REMOVABLE || val == DRIVE_CDROM) {
9854: // removable drive
9855: REG16(AX) = 0x00;
1.1 root 9856: } else {
1.1.1.14 root 9857: // fixed drive
9858: REG16(AX) = 0x01;
1.1 root 9859: }
9860: break;
9861: case 0x09: // check remote drive
1.1.1.14 root 9862: if(val == DRIVE_REMOTE) {
9863: // remote drive
9864: REG16(DX) = 0x1000;
1.1 root 9865: } else {
1.1.1.14 root 9866: // local drive
9867: REG16(DX) = 0x00;
1.1 root 9868: }
9869: break;
1.1.1.21 root 9870: case 0x0a: // check remote handle
9871: REG16(DX) = 0x00; // FIXME
9872: break;
1.1 root 9873: case 0x0b: // set retry count
9874: break;
1.1.1.22 root 9875: case 0x0c: // generic character device request
9876: if(REG8(CL) == 0x45) {
9877: // set iteration (retry) count
9878: iteration_count = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX));
9879: } else if(REG8(CL) == 0x4a) {
9880: // select code page
9881: active_code_page = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2);
9882: msdos_nls_tables_update();
9883: } else if(REG8(CL) == 0x65) {
9884: // get iteration (retry) count
9885: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX)) = iteration_count;
9886: } else if(REG8(CL) == 0x6a) {
9887: // query selected code page
9888: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = 2; // FIXME
9889: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2) = active_code_page;
9890:
9891: CPINFO info;
9892: GetCPInfo(active_code_page, &info);
9893:
9894: if(info.MaxCharSize != 1) {
9895: for(int i = 0;; i++) {
9896: UINT8 lo = info.LeadByte[2 * i + 0];
9897: UINT8 hi = info.LeadByte[2 * i + 1];
9898:
9899: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 4 + 4 * i + 0) = lo;
9900: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 4 + 4 * i + 2) = hi;
9901: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) + 4;
9902:
9903: if(lo == 0 && hi == 0) {
9904: break;
9905: }
9906: }
9907: }
9908: } else if(REG8(CL) == 0x7f) {
9909: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x00) = 0;
9910: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x01) = 0;
9911: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x02) = 14;
9912: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x04) = 1;
9913: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x06) = 1;
9914: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x07) = 0;
9915: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x08) = 4;
9916: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0a) = 8 * (*(UINT16 *)(mem + 0x44a));
9917: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0c) = 16 * (*(UINT8 *)(mem + 0x484) + 1);
9918: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0e) = *(UINT16 *)(mem + 0x44a);
9919: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x10) = *(UINT8 *)(mem + 0x484) + 1;
9920: } else {
9921: 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));
9922: REG16(AX) = 0x01; // invalid function
9923: m_CF = 1;
9924: }
9925: break;
9926: case 0x0d: // generic block device request
9927: if(REG8(CL) == 0x40) {
9928: // set device parameters
9929: } else if(REG8(CL) == 0x46) {
9930: // set volume serial number
9931: } else if(REG8(CL) == 0x4a) {
9932: // lock logical volume
9933: } else if(REG8(CL) == 0x4b) {
9934: // lock physical volume
9935: } else if(REG8(CL) == 0x60) {
9936: // get device parameters
9937: char dev[] = "\\\\.\\A:";
9938: dev[4] = 'A' + (REG8(BL) ? REG8(BL) : _getdrive()) - 1;
9939:
9940: HANDLE hFile = CreateFile(dev, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
9941: if(hFile != INVALID_HANDLE_VALUE) {
9942: DISK_GEOMETRY geo;
9943: DWORD dwSize;
9944: if(DeviceIoControl(hFile, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0, &geo, sizeof(geo), &dwSize, NULL)) {
9945: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x07; // ???
9946: switch(geo.MediaType) {
9947: case F5_360_512:
9948: case F5_320_512:
9949: case F5_320_1024:
9950: case F5_180_512:
9951: case F5_160_512:
9952: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x00; // 320K/360K disk
9953: break;
9954: case F5_1Pt2_512:
9955: case F3_1Pt2_512:
9956: case F3_1Pt23_1024:
9957: case F5_1Pt23_1024:
9958: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x01; // 1.2M disk
9959: break;
9960: case F3_720_512:
9961: case F3_640_512:
9962: case F5_640_512:
9963: case F5_720_512:
9964: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x02; // 720K disk
9965: break;
9966: case F8_256_128:
9967: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x03; // single-density 8-inch disk
9968: break;
9969: case FixedMedia:
9970: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x05; // fixed disk
9971: break;
9972: case F3_1Pt44_512:
9973: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x07; // (DOS 3.3+) other type of block device, normally 1.44M floppy
9974: break;
9975: case F3_2Pt88_512:
9976: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x09; // (DOS 5+) 2.88M floppy
9977: break;
9978: default:
9979: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x05; // fixed disk
9980: // *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x05; // (DOS 3.3+) other type of block device, normally 1.44M floppy
9981: break;
9982: }
9983: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x02) = (geo.MediaType == FixedMedia) ? 0x01 : 0x00;
9984: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x04) = (geo.Cylinders.QuadPart > 0xffff) ? 0xffff : geo.Cylinders.QuadPart;
9985: switch(geo.MediaType) {
9986: case F5_360_512:
9987: case F5_320_512:
9988: case F5_320_1024:
9989: case F5_180_512:
9990: case F5_160_512:
9991: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x06) = 0x01; // 320K/360K disk
9992: break;
9993: default:
9994: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x06) = 0x00; // other drive types
9995: break;
9996: }
9997: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x00) = geo.BytesPerSector;
9998: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x02) = geo.SectorsPerTrack * geo.TracksPerCylinder;
9999: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x03) = 0;
10000: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x05) = 0;
10001: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x06) = 0;
10002: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x08) = 0;
10003: switch(geo.MediaType) {
10004: case F5_320_512: // floppy, double-sided, 8 sectors per track (320K)
10005: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xff;
10006: break;
10007: case F5_160_512: // floppy, single-sided, 8 sectors per track (160K)
10008: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xfe;
10009: break;
10010: case F5_360_512: // floppy, double-sided, 9 sectors per track (360K)
10011: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xfd;
10012: break;
10013: case F5_180_512: // floppy, single-sided, 9 sectors per track (180K)
10014: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xfc;
10015: break;
10016: case F5_1Pt2_512: // floppy, double-sided, 15 sectors per track (1.2M)
10017: case F3_720_512: // floppy, double-sided, 9 sectors per track (720K,3.5")
10018: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xf9;
10019: break;
10020: case FixedMedia: // hard disk
10021: case RemovableMedia:
10022: case Unknown:
10023: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xf8;
10024: break;
10025: default:
10026: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xf0;
10027: break;
10028: }
10029: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0d) = geo.SectorsPerTrack;
10030: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0f) = 1;
10031: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x11) = 0;
10032: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x15) = geo.TracksPerCylinder * geo.Cylinders.QuadPart;
10033: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x1f) = geo.Cylinders.QuadPart;
10034: // 21h BYTE device type
10035: // 22h WORD device attributes (removable or not, etc)
10036: } else {
10037: REG16(AX) = 0x0f; // invalid drive
10038: m_CF = 1;
10039: }
10040: CloseHandle(hFile);
10041: } else {
10042: REG16(AX) = 0x0f; // invalid drive
10043: m_CF = 1;
10044: }
10045: } else if(REG8(CL) == 0x66) {
10046: // get volume serial number
10047: char path[] = "A:\\";
10048: char volume_label[MAX_PATH];
10049: DWORD serial_number = 0;
10050: char file_system[MAX_PATH];
10051:
10052: path[0] = 'A' + (REG8(BL) ? REG8(BL) : _getdrive()) - 1;
10053:
10054: if(GetVolumeInformation(path, volume_label, MAX_PATH, &serial_number, NULL, NULL, file_system, MAX_PATH)) {
10055: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0;
10056: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x02) = serial_number;
10057: memset(mem + SREG_BASE(DS) + REG16(SI) + 0x06, 0x20, 11);
10058: memcpy(mem + SREG_BASE(DS) + REG16(SI) + 0x06, volume_label, min(strlen(volume_label), 11));
10059: memset(mem + SREG_BASE(DS) + REG16(SI) + 0x11, 0x20, 8);
10060: memcpy(mem + SREG_BASE(DS) + REG16(SI) + 0x11, file_system, min(strlen(file_system), 8));
10061: } else {
10062: REG16(AX) = 0x0f; // invalid drive
10063: m_CF = 1;
10064: }
10065: } else if(REG8(CL) == 0x67) {
10066: // get access flag
10067: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0;
10068: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 1;
10069: } else if(REG8(CL) == 0x68) {
10070: // sense media type
10071: char dev[64];
10072: sprintf(dev, "\\\\.\\%c:", 'A' + (REG8(BL) ? REG8(BL) : _getdrive()) - 1);
10073:
10074: HANDLE hFile = CreateFile(dev, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
10075: if(hFile != INVALID_HANDLE_VALUE) {
10076: DISK_GEOMETRY geo;
10077: DWORD dwSize;
10078: if(DeviceIoControl(hFile, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0, &geo, sizeof(geo), &dwSize, NULL)) {
10079: switch(geo.MediaType) {
10080: case F3_720_512:
10081: case F5_720_512:
10082: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x01;
10083: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x02;
10084: break;
10085: case F3_1Pt44_512:
10086: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x01;
10087: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x07;
10088: break;
10089: case F3_2Pt88_512:
10090: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x01;
10091: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x09;
10092: break;
10093: default:
10094: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x00;
10095: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x00; // ???
10096: break;
10097: }
10098: } else {
10099: REG16(AX) = 0x0f; // invalid drive
10100: m_CF = 1;
10101: }
10102: CloseHandle(hFile);
10103: } else {
10104: REG16(AX) = 0x0f; // invalid drive
10105: m_CF = 1;
10106: }
10107: } else if(REG8(CL) == 0x6a) {
10108: // unlock logical volume
10109: } else if(REG8(CL) == 0x6b) {
10110: // unlock physical volume
10111: } else {
10112: 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));
10113: REG16(AX) = 0x01; // invalid function
10114: m_CF = 1;
10115: }
10116: break;
10117: case 0x0e: // get logical drive map
10118: {
10119: DWORD bits = 1 << ((REG8(BL) ? REG8(BL) : _getdrive()) - 1);
10120: if(!(GetLogicalDrives() & bits)) {
10121: REG16(AX) = 0x0f; // invalid drive
10122: m_CF = 1;
10123: } else {
10124: REG8(AL) = 0;
10125: }
10126: }
10127: break;
10128: case 0x0f: // set logical drive map
10129: {
10130: DWORD bits = 1 << ((REG8(BL) ? REG8(BL) : _getdrive()) - 1);
10131: if(!(GetLogicalDrives() & bits)) {
10132: REG16(AX) = 0x0f; // invalid drive
10133: m_CF = 1;
10134: }
10135: }
10136: break;
10137: case 0x10: // query generic ioctrl capability (handle)
10138: switch(REG8(CL)) {
10139: case 0x45:
10140: case 0x4a:
10141: case 0x65:
10142: case 0x6a:
10143: case 0x7f:
10144: REG16(AX) = 0x0000; // supported
10145: break;
10146: default:
10147: REG8(AL) = 0x01; // ioctl capability not available
10148: m_CF = 1;
10149: break;
10150: }
10151: break;
10152: case 0x11: // query generic ioctrl capability (drive)
10153: switch(REG8(CL)) {
10154: case 0x40:
10155: case 0x46:
10156: case 0x4a:
10157: case 0x4b:
10158: case 0x60:
10159: case 0x66:
10160: case 0x67:
10161: case 0x68:
10162: case 0x6a:
10163: case 0x6b:
10164: REG16(AX) = 0x0000; // supported
10165: break;
10166: default:
10167: REG8(AL) = 0x01; // ioctl capability not available
10168: m_CF = 1;
10169: break;
10170: }
10171: break;
10172: case 0x12: // determine dos type
10173: case 0x51: // concurrent dos v3.2+ - installation check
10174: case 0x52: // determine dos type/get dr dos versuin
10175: REG16(AX) = 0x01; // this is not DR-DOS
10176: m_CF = 1;
10177: break;
1.1 root 10178: default:
1.1.1.22 root 10179: 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 10180: REG16(AX) = 0x01;
1.1.1.3 root 10181: m_CF = 1;
1.1 root 10182: break;
10183: }
10184: }
10185:
10186: inline void msdos_int_21h_45h()
10187: {
10188: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 10189: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 10190:
1.1.1.20 root 10191: if(fd < process->max_files && file_handler[fd].valid) {
10192: int dup_fd = _dup(fd);
10193: if(dup_fd != -1) {
10194: REG16(AX) = dup_fd;
10195: msdos_file_handler_dup(dup_fd, fd, current_psp);
10196: // msdos_psp_set_file_table(dup_fd, fd, current_psp);
10197: msdos_psp_set_file_table(dup_fd, dup_fd, current_psp);
1.1 root 10198: } else {
10199: REG16(AX) = errno;
1.1.1.3 root 10200: m_CF = 1;
1.1 root 10201: }
10202: } else {
10203: REG16(AX) = 0x06;
1.1.1.3 root 10204: m_CF = 1;
1.1 root 10205: }
10206: }
10207:
10208: inline void msdos_int_21h_46h()
10209: {
10210: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 10211: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
10212: int dup_fd = REG16(CX);
10213: int tmp_fd = msdos_psp_get_file_table(REG16(CX), current_psp);
1.1 root 10214:
1.1.1.20 root 10215: if(REG16(BX) == REG16(CX)) {
10216: REG16(AX) = 0x06;
10217: m_CF = 1;
10218: } else if(fd < process->max_files && file_handler[fd].valid && dup_fd < process->max_files) {
10219: if(tmp_fd < process->max_files && file_handler[tmp_fd].valid) {
10220: _close(tmp_fd);
10221: msdos_file_handler_close(tmp_fd);
10222: msdos_psp_set_file_table(dup_fd, 0x0ff, current_psp);
10223: }
10224: if(_dup2(fd, dup_fd) != -1) {
10225: msdos_file_handler_dup(dup_fd, fd, current_psp);
10226: // msdos_psp_set_file_table(dup_fd, fd, current_psp);
10227: msdos_psp_set_file_table(dup_fd, dup_fd, current_psp);
1.1 root 10228: } else {
10229: REG16(AX) = errno;
1.1.1.3 root 10230: m_CF = 1;
1.1 root 10231: }
10232: } else {
10233: REG16(AX) = 0x06;
1.1.1.3 root 10234: m_CF = 1;
1.1 root 10235: }
10236: }
10237:
10238: inline void msdos_int_21h_47h(int lfn)
10239: {
10240: char path[MAX_PATH];
10241:
10242: if(_getdcwd(REG8(DL), path, MAX_PATH) != NULL) {
10243: if(path[1] == ':') {
10244: // the returned path does not include a drive or the initial backslash
1.1.1.3 root 10245: strcpy((char *)(mem + SREG_BASE(DS) + REG16(SI)), (lfn ? path : msdos_short_path(path)) + 3);
1.1 root 10246: } else {
1.1.1.3 root 10247: strcpy((char *)(mem + SREG_BASE(DS) + REG16(SI)), lfn ? path : msdos_short_path(path));
1.1 root 10248: }
10249: } else {
10250: REG16(AX) = errno;
1.1.1.3 root 10251: m_CF = 1;
1.1 root 10252: }
10253: }
10254:
10255: inline void msdos_int_21h_48h()
10256: {
1.1.1.19 root 10257: int seg, umb_linked;
1.1 root 10258:
1.1.1.8 root 10259: if((malloc_strategy & 0xf0) == 0x00) {
1.1.1.19 root 10260: // unlink umb not to allocate memory in umb
10261: if((umb_linked = msdos_mem_get_umb_linked()) != 0) {
10262: msdos_mem_unlink_umb();
10263: }
1.1.1.8 root 10264: if((seg = msdos_mem_alloc(first_mcb, REG16(BX), 0)) != -1) {
10265: REG16(AX) = seg;
10266: } else {
10267: REG16(AX) = 0x08;
10268: REG16(BX) = msdos_mem_get_free(first_mcb, 0);
10269: m_CF = 1;
10270: }
1.1.1.19 root 10271: if(umb_linked != 0) {
10272: msdos_mem_link_umb();
10273: }
1.1.1.8 root 10274: } else if((malloc_strategy & 0xf0) == 0x40) {
10275: if((seg = msdos_mem_alloc(UMB_TOP >> 4, REG16(BX), 0)) != -1) {
10276: REG16(AX) = seg;
10277: } else {
10278: REG16(AX) = 0x08;
10279: REG16(BX) = msdos_mem_get_free(UMB_TOP >> 4, 0);
10280: m_CF = 1;
10281: }
10282: } else if((malloc_strategy & 0xf0) == 0x80) {
10283: if((seg = msdos_mem_alloc(UMB_TOP >> 4, REG16(BX), 0)) != -1) {
10284: REG16(AX) = seg;
10285: } else if((seg = msdos_mem_alloc(first_mcb, REG16(BX), 0)) != -1) {
10286: REG16(AX) = seg;
10287: } else {
10288: REG16(AX) = 0x08;
10289: REG16(BX) = max(msdos_mem_get_free(UMB_TOP >> 4, 0), msdos_mem_get_free(first_mcb, 0));
10290: m_CF = 1;
10291: }
1.1 root 10292: }
10293: }
10294:
10295: inline void msdos_int_21h_49h()
10296: {
1.1.1.14 root 10297: int mcb_seg = SREG(ES) - 1;
10298: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
10299:
10300: if(mcb->mz == 'M' || mcb->mz == 'Z') {
10301: msdos_mem_free(SREG(ES));
10302: } else {
1.1.1.33 root 10303: REG16(AX) = 0x09; // illegal memory block address
1.1.1.14 root 10304: m_CF = 1;
10305: }
1.1 root 10306: }
10307:
10308: inline void msdos_int_21h_4ah()
10309: {
1.1.1.14 root 10310: int mcb_seg = SREG(ES) - 1;
10311: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1 root 10312: int max_paragraphs;
10313:
1.1.1.14 root 10314: if(mcb->mz == 'M' || mcb->mz == 'Z') {
10315: if(msdos_mem_realloc(SREG(ES), REG16(BX), &max_paragraphs)) {
10316: REG16(AX) = 0x08;
10317: REG16(BX) = max_paragraphs > 0x7fff && limit_max_memory ? 0x7fff : max_paragraphs;
10318: m_CF = 1;
10319: }
10320: } else {
1.1.1.33 root 10321: REG16(AX) = 0x09; // illegal memory block address
1.1.1.3 root 10322: m_CF = 1;
1.1 root 10323: }
10324: }
10325:
10326: inline void msdos_int_21h_4bh()
10327: {
1.1.1.3 root 10328: char *command = (char *)(mem + SREG_BASE(DS) + REG16(DX));
10329: param_block_t *param = (param_block_t *)(mem + SREG_BASE(ES) + REG16(BX));
1.1 root 10330:
10331: switch(REG8(AL)) {
10332: case 0x00:
10333: case 0x01:
10334: if(msdos_process_exec(command, param, REG8(AL))) {
10335: REG16(AX) = 0x02;
1.1.1.3 root 10336: m_CF = 1;
1.1 root 10337: }
10338: break;
1.1.1.14 root 10339: case 0x03:
10340: {
10341: int fd;
10342: if((fd = _open(command, _O_RDONLY | _O_BINARY)) == -1) {
10343: REG16(AX) = 0x02;
10344: m_CF = 1;
10345: break;
10346: }
10347: int size = _read(fd, file_buffer, sizeof(file_buffer));
10348: _close(fd);
10349:
10350: UINT16 *overlay = (UINT16 *)param;
10351:
10352: // check exe header
10353: exe_header_t *header = (exe_header_t *)file_buffer;
10354: int header_size = 0;
10355: if(header->mz == 0x4d5a || header->mz == 0x5a4d) {
10356: header_size = header->header_size * 16;
10357: // relocation
10358: int start_seg = overlay[1];
10359: for(int i = 0; i < header->relocations; i++) {
10360: int ofs = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 0);
10361: int seg = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 2);
10362: *(UINT16 *)(file_buffer + header_size + (seg << 4) + ofs) += start_seg;
10363: }
10364: }
10365: memcpy(mem + (overlay[0] << 4), file_buffer + header_size, size - header_size);
10366: }
10367: break;
1.1 root 10368: default:
1.1.1.22 root 10369: 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 10370: REG16(AX) = 0x01;
1.1.1.3 root 10371: m_CF = 1;
1.1 root 10372: break;
10373: }
10374: }
10375:
10376: inline void msdos_int_21h_4ch()
10377: {
10378: msdos_process_terminate(current_psp, REG8(AL), 1);
10379: }
10380:
10381: inline void msdos_int_21h_4dh()
10382: {
10383: REG16(AX) = retval;
10384: }
10385:
10386: inline void msdos_int_21h_4eh()
10387: {
10388: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 10389: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
10390: find_t *find = (find_t *)(mem + dta_laddr);
1.1.1.3 root 10391: char *path = msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 10392: WIN32_FIND_DATA fd;
10393:
1.1.1.14 root 10394: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, LFN_DTA_LADDR);
10395: find->find_magic = FIND_MAGIC;
10396: find->dta_index = dtainfo - dtalist;
1.1 root 10397: strcpy(process->volume_label, msdos_volume_label(path));
1.1.1.14 root 10398: dtainfo->allowable_mask = REG8(CL);
10399: bool label_only = (dtainfo->allowable_mask == 8);
1.1 root 10400:
1.1.1.14 root 10401: if((dtainfo->allowable_mask & 8) && !msdos_match_volume_label(path, msdos_short_volume_label(process->volume_label))) {
10402: dtainfo->allowable_mask &= ~8;
1.1 root 10403: }
1.1.1.14 root 10404: if(!label_only && (dtainfo->find_handle = FindFirstFile(path, &fd)) != INVALID_HANDLE_VALUE) {
10405: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 10406: !msdos_find_file_has_8dot3name(&fd)) {
10407: if(!FindNextFile(dtainfo->find_handle, &fd)) {
10408: FindClose(dtainfo->find_handle);
10409: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 10410: break;
10411: }
10412: }
10413: }
1.1.1.13 root 10414: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 10415: find->attrib = (UINT8)(fd.dwFileAttributes & 0x3f);
10416: msdos_find_file_conv_local_time(&fd);
10417: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->date, &find->time);
10418: find->size = fd.nFileSizeLow;
1.1.1.13 root 10419: strcpy(find->name, msdos_short_name(&fd));
1.1 root 10420: REG16(AX) = 0;
1.1.1.14 root 10421: } else if(dtainfo->allowable_mask & 8) {
1.1 root 10422: find->attrib = 8;
10423: find->size = 0;
10424: strcpy(find->name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 10425: dtainfo->allowable_mask &= ~8;
1.1 root 10426: REG16(AX) = 0;
10427: } else {
10428: REG16(AX) = 0x12; // NOTE: return 0x02 if file path is invalid
1.1.1.3 root 10429: m_CF = 1;
1.1 root 10430: }
10431: }
10432:
10433: inline void msdos_int_21h_4fh()
10434: {
10435: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 10436: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
10437: find_t *find = (find_t *)(mem + dta_laddr);
1.1 root 10438: WIN32_FIND_DATA fd;
10439:
1.1.1.14 root 10440: if(find->find_magic != FIND_MAGIC || find->dta_index >= MAX_DTAINFO) {
10441: REG16(AX) = 0x12;
10442: m_CF = 1;
10443: return;
10444: }
10445: dtainfo_t *dtainfo = &dtalist[find->dta_index];
1.1.1.13 root 10446: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
10447: if(FindNextFile(dtainfo->find_handle, &fd)) {
1.1.1.14 root 10448: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 10449: !msdos_find_file_has_8dot3name(&fd)) {
10450: if(!FindNextFile(dtainfo->find_handle, &fd)) {
10451: FindClose(dtainfo->find_handle);
10452: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 10453: break;
10454: }
10455: }
10456: } else {
1.1.1.13 root 10457: FindClose(dtainfo->find_handle);
10458: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 10459: }
10460: }
1.1.1.13 root 10461: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 10462: find->attrib = (UINT8)(fd.dwFileAttributes & 0x3f);
10463: msdos_find_file_conv_local_time(&fd);
10464: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->date, &find->time);
10465: find->size = fd.nFileSizeLow;
1.1.1.13 root 10466: strcpy(find->name, msdos_short_name(&fd));
1.1 root 10467: REG16(AX) = 0;
1.1.1.14 root 10468: } else if(dtainfo->allowable_mask & 8) {
1.1 root 10469: find->attrib = 8;
10470: find->size = 0;
10471: strcpy(find->name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 10472: dtainfo->allowable_mask &= ~8;
1.1 root 10473: REG16(AX) = 0;
10474: } else {
10475: REG16(AX) = 0x12;
1.1.1.3 root 10476: m_CF = 1;
1.1 root 10477: }
10478: }
10479:
10480: inline void msdos_int_21h_50h()
10481: {
1.1.1.8 root 10482: if(current_psp != REG16(BX)) {
10483: process_t *process = msdos_process_info_get(current_psp);
10484: if(process != NULL) {
10485: process->psp = REG16(BX);
10486: }
10487: current_psp = REG16(BX);
1.1.1.23 root 10488: msdos_sda_update(current_psp);
1.1.1.8 root 10489: }
1.1 root 10490: }
10491:
10492: inline void msdos_int_21h_51h()
10493: {
10494: REG16(BX) = current_psp;
10495: }
10496:
10497: inline void msdos_int_21h_52h()
10498: {
1.1.1.25 root 10499: SREG(ES) = DOS_INFO_TOP >> 4;
1.1.1.3 root 10500: i386_load_segment_descriptor(ES);
1.1.1.25 root 10501: REG16(BX) = offsetof(dos_info_t, first_dpb);
1.1 root 10502: }
10503:
10504: inline void msdos_int_21h_54h()
10505: {
10506: process_t *process = msdos_process_info_get(current_psp);
10507:
10508: REG8(AL) = process->verify;
10509: }
10510:
10511: inline void msdos_int_21h_55h()
10512: {
10513: psp_t *psp = (psp_t *)(mem + (REG16(DX) << 4));
10514:
10515: memcpy(mem + (REG16(DX) << 4), mem + (current_psp << 4), sizeof(psp_t));
10516: psp->int_22h.dw = *(UINT32 *)(mem + 4 * 0x22);
10517: psp->int_23h.dw = *(UINT32 *)(mem + 4 * 0x23);
10518: psp->int_24h.dw = *(UINT32 *)(mem + 4 * 0x24);
10519: psp->parent_psp = current_psp;
10520: }
10521:
10522: inline void msdos_int_21h_56h(int lfn)
10523: {
10524: char src[MAX_PATH], dst[MAX_PATH];
1.1.1.3 root 10525: strcpy(src, msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn));
10526: strcpy(dst, msdos_trimmed_path((char *)(mem + SREG_BASE(ES) + REG16(DI)), lfn));
1.1 root 10527:
10528: if(rename(src, dst)) {
10529: REG16(AX) = errno;
1.1.1.3 root 10530: m_CF = 1;
1.1 root 10531: }
10532: }
10533:
10534: inline void msdos_int_21h_57h()
10535: {
10536: FILETIME time, local;
1.1.1.14 root 10537: FILETIME *ctime, *atime, *mtime;
1.1.1.21 root 10538: HANDLE hHandle;
1.1 root 10539:
1.1.1.21 root 10540: if((hHandle = (HANDLE)_get_osfhandle(REG16(BX))) == INVALID_HANDLE_VALUE) {
1.1.1.14 root 10541: REG16(AX) = (UINT16)GetLastError();
10542: m_CF = 1;
10543: return;
10544: }
10545: ctime = atime = mtime = NULL;
10546:
1.1 root 10547: switch(REG8(AL)) {
10548: case 0x00:
1.1.1.6 root 10549: case 0x01:
1.1.1.14 root 10550: mtime = &time;
1.1.1.6 root 10551: break;
10552: case 0x04:
10553: case 0x05:
1.1.1.14 root 10554: atime = &time;
1.1 root 10555: break;
1.1.1.6 root 10556: case 0x06:
10557: case 0x07:
1.1.1.14 root 10558: ctime = &time;
10559: break;
10560: default:
1.1.1.22 root 10561: 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 10562: REG16(AX) = 0x01;
10563: m_CF = 1;
10564: return;
10565: }
10566: if(REG8(AL) & 1) {
1.1 root 10567: DosDateTimeToFileTime(REG16(DX), REG16(CX), &local);
10568: LocalFileTimeToFileTime(&local, &time);
1.1.1.21 root 10569: if(!SetFileTime(hHandle, ctime, atime, mtime)) {
1.1 root 10570: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 10571: m_CF = 1;
1.1 root 10572: }
1.1.1.14 root 10573: } else {
1.1.1.21 root 10574: if(!GetFileTime(hHandle, ctime, atime, mtime)) {
1.1.1.14 root 10575: // assume a device and use the current time
10576: GetSystemTimeAsFileTime(&time);
10577: }
10578: FileTimeToLocalFileTime(&time, &local);
10579: FileTimeToDosDateTime(&local, ®16(DX), ®16(CX));
1.1 root 10580: }
10581: }
10582:
10583: inline void msdos_int_21h_58h()
10584: {
10585: switch(REG8(AL)) {
10586: case 0x00:
1.1.1.7 root 10587: REG16(AX) = malloc_strategy;
10588: break;
10589: case 0x01:
1.1.1.24 root 10590: // switch(REG16(BX)) {
10591: switch(REG8(BL)) {
1.1.1.7 root 10592: case 0x0000:
10593: case 0x0001:
10594: case 0x0002:
10595: case 0x0040:
10596: case 0x0041:
10597: case 0x0042:
10598: case 0x0080:
10599: case 0x0081:
10600: case 0x0082:
10601: malloc_strategy = REG16(BX);
1.1.1.23 root 10602: msdos_sda_update(current_psp);
1.1.1.7 root 10603: break;
10604: default:
1.1.1.22 root 10605: 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 10606: REG16(AX) = 0x01;
10607: m_CF = 1;
10608: break;
10609: }
10610: break;
10611: case 0x02:
1.1.1.19 root 10612: REG8(AL) = msdos_mem_get_umb_linked() ? 1 : 0;
1.1.1.7 root 10613: break;
10614: case 0x03:
1.1.1.24 root 10615: // switch(REG16(BX)) {
10616: switch(REG8(BL)) {
1.1.1.7 root 10617: case 0x0000:
1.1.1.19 root 10618: msdos_mem_unlink_umb();
10619: break;
1.1.1.7 root 10620: case 0x0001:
1.1.1.19 root 10621: msdos_mem_link_umb();
1.1.1.7 root 10622: break;
10623: default:
1.1.1.22 root 10624: 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 10625: REG16(AX) = 0x01;
10626: m_CF = 1;
10627: break;
10628: }
1.1 root 10629: break;
10630: default:
1.1.1.22 root 10631: 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 10632: REG16(AX) = 0x01;
1.1.1.3 root 10633: m_CF = 1;
1.1 root 10634: break;
10635: }
10636: }
10637:
10638: inline void msdos_int_21h_59h()
10639: {
1.1.1.23 root 10640: sda_t *sda = (sda_t *)(mem + SDA_TOP);
10641:
10642: REG16(AX) = sda->extended_error_code;
10643: REG8(BH) = sda->error_class;
10644: REG8(BL) = sda->suggested_action;
10645: REG8(CH) = sda->locus_of_last_error;
1.1 root 10646: }
10647:
10648: inline void msdos_int_21h_5ah()
10649: {
1.1.1.3 root 10650: char *path = (char *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 10651: int len = strlen(path);
10652: char tmp[MAX_PATH];
10653:
10654: if(GetTempFileName(path, "TMP", 0, tmp)) {
10655: int fd = _open(tmp, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
10656:
10657: SetFileAttributes(tmp, msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY);
10658: REG16(AX) = fd;
10659: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_drive_number(path), current_psp);
1.1.1.20 root 10660: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 10661:
10662: strcpy(path, tmp);
10663: int dx = REG16(DX) + len;
1.1.1.3 root 10664: int ds = SREG(DS);
1.1 root 10665: while(dx > 0xffff) {
10666: dx -= 0x10;
10667: ds++;
10668: }
10669: REG16(DX) = dx;
1.1.1.3 root 10670: SREG(DS) = ds;
10671: i386_load_segment_descriptor(DS);
1.1 root 10672: } else {
10673: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 10674: m_CF = 1;
1.1 root 10675: }
10676: }
10677:
10678: inline void msdos_int_21h_5bh()
10679: {
1.1.1.3 root 10680: char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 10681:
1.1.1.24 root 10682: if(msdos_is_existing_file(path)) {
1.1 root 10683: // already exists
10684: REG16(AX) = 0x50;
1.1.1.3 root 10685: m_CF = 1;
1.1 root 10686: } else {
10687: int fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
10688:
10689: if(fd != -1) {
10690: SetFileAttributes(path, msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY);
10691: REG16(AX) = fd;
10692: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_drive_number(path), current_psp);
1.1.1.20 root 10693: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 10694: } else {
10695: REG16(AX) = errno;
1.1.1.3 root 10696: m_CF = 1;
1.1 root 10697: }
10698: }
10699: }
10700:
10701: inline void msdos_int_21h_5ch()
10702: {
10703: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 10704: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 10705:
1.1.1.20 root 10706: if(fd < process->max_files && file_handler[fd].valid) {
1.1 root 10707: if(REG8(AL) == 0 || REG8(AL) == 1) {
1.1.1.35 root 10708: static const int modes[2] = {_LK_LOCK, _LK_UNLCK};
1.1.1.20 root 10709: UINT32 pos = _tell(fd);
10710: _lseek(fd, (REG16(CX) << 16) | REG16(DX), SEEK_SET);
10711: if(_locking(fd, modes[REG8(AL)], (REG16(SI) << 16) | REG16(DI))) {
1.1 root 10712: REG16(AX) = errno;
1.1.1.3 root 10713: m_CF = 1;
1.1 root 10714: }
1.1.1.20 root 10715: _lseek(fd, pos, SEEK_SET);
1.1.1.26 root 10716:
1.1 root 10717: // some seconds may be passed in _locking()
1.1.1.35 root 10718: REQUEST_HARDWRE_UPDATE();
1.1 root 10719: } else {
10720: REG16(AX) = 0x01;
1.1.1.3 root 10721: m_CF = 1;
1.1 root 10722: }
10723: } else {
10724: REG16(AX) = 0x06;
1.1.1.3 root 10725: m_CF = 1;
1.1 root 10726: }
10727: }
10728:
1.1.1.22 root 10729: inline void msdos_int_21h_5dh()
10730: {
10731: switch(REG8(AL)) {
10732: case 0x06: // get address of dos swappable data area
1.1.1.23 root 10733: SREG(DS) = (SDA_TOP >> 4);
10734: i386_load_segment_descriptor(DS);
10735: REG16(SI) = offsetof(sda_t, crit_error_flag);
10736: REG16(CX) = 0x80;
10737: REG16(DX) = 0x1a;
10738: break;
10739: case 0x0b: // get dos swappable data areas
1.1.1.22 root 10740: REG16(AX) = 0x01;
10741: m_CF = 1;
10742: break;
10743: case 0x08: // set redirected printer mode
10744: case 0x09: // flush redirected printer output
10745: case 0x0a: // set extended error information
10746: break;
10747: default:
10748: 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));
10749: REG16(AX) = 0x01;
10750: m_CF = 1;
10751: break;
10752: }
10753: }
10754:
1.1.1.30 root 10755: inline void msdos_int_21h_5fh()
10756: {
10757: switch(REG8(AL)) {
10758: case 0x02:
10759: {
10760: DWORD drives = GetLogicalDrives();
10761: for(int i = 0, index = 0; i < 26; i++) {
10762: if(drives & (1 << i)) {
10763: char volume[] = "A:\\";
10764: volume[0] = 'A' + i;
10765: if(GetDriveType(volume) == DRIVE_REMOTE) {
10766: if(index == REG16(BX)) {
10767: DWORD dwSize = 128;
10768: volume[2] = '\0';
10769: strcpy((char *)(mem + SREG_BASE(DS) + REG16(SI)), volume);
10770: WNetGetConnection(volume, (char *)(mem + SREG_BASE(ES) + REG16(DI)), &dwSize);
10771: REG8(BH) = 0x00; // valid
10772: REG8(BL) = 0x04; // disk drive
10773: REG16(CX) = 0x00;
10774: return;
10775: }
10776: index++;
10777: }
10778: }
10779: }
10780: }
10781: REG16(AX) = 0x12; // no more files
10782: m_CF = 1;
10783: break;
10784: default:
10785: 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));
10786: REG16(AX) = 0x01;
10787: m_CF = 1;
10788: break;
10789: }
10790: }
10791:
1.1 root 10792: inline void msdos_int_21h_60h(int lfn)
10793: {
1.1.1.14 root 10794: char full[MAX_PATH], *path;
10795:
1.1 root 10796: if(lfn) {
1.1.1.14 root 10797: char *name;
10798: *full = '\0';
1.1.1.3 root 10799: GetFullPathName((char *)(mem + SREG_BASE(DS) + REG16(SI)), MAX_PATH, full, &name);
1.1.1.14 root 10800: switch(REG8(CL)) {
10801: case 1:
10802: GetShortPathName(full, full, MAX_PATH);
10803: my_strupr(full);
10804: break;
10805: case 2:
10806: GetLongPathName(full, full, MAX_PATH);
10807: break;
10808: }
10809: path = full;
10810: } else {
10811: path = msdos_short_full_path((char *)(mem + SREG_BASE(DS) + REG16(SI)));
10812: }
10813: if(*path != '\0') {
10814: strcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), path);
1.1 root 10815: } else {
1.1.1.14 root 10816: REG16(AX) = (UINT16)GetLastError();
10817: m_CF = 1;
1.1 root 10818: }
10819: }
10820:
10821: inline void msdos_int_21h_61h()
10822: {
10823: REG8(AL) = 0;
10824: }
10825:
10826: inline void msdos_int_21h_62h()
10827: {
10828: REG16(BX) = current_psp;
10829: }
10830:
10831: inline void msdos_int_21h_63h()
10832: {
10833: switch(REG8(AL)) {
10834: case 0x00:
1.1.1.3 root 10835: SREG(DS) = (DBCS_TABLE >> 4);
10836: i386_load_segment_descriptor(DS);
1.1 root 10837: REG16(SI) = (DBCS_TABLE & 0x0f);
10838: REG8(AL) = 0x00;
10839: break;
1.1.1.22 root 10840: case 0x01: // set korean input mode
10841: case 0x02: // get korean input mode
10842: REG8(AL) = 0xff; // not supported
10843: break;
1.1 root 10844: default:
1.1.1.22 root 10845: 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 10846: REG16(AX) = 0x01;
1.1.1.3 root 10847: m_CF = 1;
1.1 root 10848: break;
10849: }
10850: }
10851:
1.1.1.25 root 10852: UINT16 get_extended_country_info(UINT8 func)
1.1 root 10853: {
1.1.1.25 root 10854: switch(func) {
1.1.1.17 root 10855: case 0x01:
10856: if(REG16(CX) >= 5) {
1.1.1.19 root 10857: UINT8 data[1 + 2 + 2 + 2 + sizeof(country_info_t)];
1.1.1.17 root 10858: if(REG16(CX) > sizeof(data)) // cx = actual transfer size
10859: REG16(CX) = sizeof(data);
10860: ZeroMemory(data, sizeof(data));
10861: data[0] = 0x01;
10862: *(UINT16 *)(data + 1) = REG16(CX) - 3;
1.1.1.19 root 10863: *(UINT16 *)(data + 3) = get_country_info((country_info_t*)(data + 7));
1.1.1.17 root 10864: *(UINT16 *)(data + 5) = active_code_page;
10865: memcpy(mem + SREG_BASE(ES) + REG16(DI), data, REG16(CX));
1.1.1.25 root 10866: // REG16(AX) = active_code_page;
1.1.1.17 root 10867: } else {
1.1.1.25 root 10868: return(0x08); // insufficient memory
1.1.1.17 root 10869: }
10870: break;
10871: case 0x02:
10872: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x02;
10873: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (UPPERTABLE_TOP & 0x0f);
10874: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (UPPERTABLE_TOP >> 4);
1.1.1.25 root 10875: // REG16(AX) = active_code_page;
1.1.1.17 root 10876: REG16(CX) = 0x05;
10877: break;
1.1.1.23 root 10878: case 0x03:
10879: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x02;
10880: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (LOWERTABLE_TOP & 0x0f);
10881: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (LOWERTABLE_TOP >> 4);
1.1.1.25 root 10882: // REG16(AX) = active_code_page;
1.1.1.23 root 10883: REG16(CX) = 0x05;
10884: break;
1.1.1.17 root 10885: case 0x04:
10886: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x04;
10887: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (FILENAME_UPPERTABLE_TOP & 0x0f);
10888: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (FILENAME_UPPERTABLE_TOP >> 4);
1.1.1.25 root 10889: // REG16(AX) = active_code_page;
1.1.1.17 root 10890: REG16(CX) = 0x05;
10891: break;
10892: case 0x05:
10893: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x05;
10894: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (FILENAME_TERMINATOR_TOP & 0x0f);
10895: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (FILENAME_TERMINATOR_TOP >> 4);
1.1.1.25 root 10896: // REG16(AX) = active_code_page;
1.1.1.17 root 10897: REG16(CX) = 0x05;
10898: break;
10899: case 0x06:
10900: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x06;
10901: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (COLLATING_TABLE_TOP & 0x0f);
10902: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (COLLATING_TABLE_TOP >> 4);
1.1.1.25 root 10903: // REG16(AX) = active_code_page;
1.1.1.17 root 10904: REG16(CX) = 0x05;
10905: break;
1.1 root 10906: case 0x07:
1.1.1.3 root 10907: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x07;
10908: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (DBCS_TOP & 0x0f);
10909: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (DBCS_TOP >> 4);
1.1.1.25 root 10910: // REG16(AX) = active_code_page;
1.1 root 10911: REG16(CX) = 0x05;
10912: break;
1.1.1.25 root 10913: default:
10914: return(0x01); // function number invalid
10915: }
10916: return(0x00);
10917: }
10918:
10919: inline void msdos_int_21h_65h()
10920: {
10921: char tmp[0x10000];
10922:
10923: switch(REG8(AL)) {
10924: case 0x01:
10925: case 0x02:
10926: case 0x03:
10927: case 0x04:
10928: case 0x05:
10929: case 0x06:
10930: case 0x07:
10931: {
10932: UINT16 result = get_extended_country_info(REG8(AL));
10933: if(result) {
10934: REG16(AX) = result;
10935: m_CF = 1;
10936: } else {
10937: REG16(AX) = active_code_page; // FIXME: is this correct???
10938: }
10939: }
10940: break;
1.1 root 10941: case 0x20:
1.1.1.25 root 10942: case 0xa0:
1.1.1.19 root 10943: memset(tmp, 0, sizeof(tmp));
10944: tmp[0] = REG8(DL);
1.1 root 10945: my_strupr(tmp);
10946: REG8(DL) = tmp[0];
10947: break;
10948: case 0x21:
1.1.1.25 root 10949: case 0xa1:
1.1 root 10950: memset(tmp, 0, sizeof(tmp));
1.1.1.3 root 10951: memcpy(tmp, mem + SREG_BASE(DS) + REG16(DX), REG16(CX));
1.1 root 10952: my_strupr(tmp);
1.1.1.3 root 10953: memcpy(mem + SREG_BASE(DS) + REG16(DX), tmp, REG16(CX));
1.1 root 10954: break;
10955: case 0x22:
1.1.1.25 root 10956: case 0xa2:
1.1.1.3 root 10957: my_strupr((char *)(mem + SREG_BASE(DS) + REG16(DX)));
1.1 root 10958: break;
1.1.1.25 root 10959: case 0x23:
10960: // FIXME: need to check multi-byte (kanji) charactre?
10961: if(REG8(DL) == 'N' || REG8(DL) == 'n' || (REG8(DL) == 0x82 && REG8(DH) == 0x78) || (REG8(DL) == 0x82 && REG8(DH) == 0x99)) {
10962: // 8278h/8299h: multi-byte (kanji) Y and y
10963: REG16(AX) = 0x00;
10964: } else if(REG8(DL) == 'Y' || REG8(DL) == 'y' || (REG8(DL) == 0x82 && REG8(DH) == 0x6d) || (REG8(DL) == 0x82 && REG8(DH) == 0x8e)) {
10965: // 826dh/828eh: multi-byte (kanji) N and n
10966: REG16(AX) = 0x01;
10967: } else {
10968: REG16(AX) = 0x02;
10969: }
10970: break;
1.1 root 10971: default:
1.1.1.22 root 10972: 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 10973: REG16(AX) = 0x01;
1.1.1.3 root 10974: m_CF = 1;
1.1 root 10975: break;
10976: }
10977: }
10978:
10979: inline void msdos_int_21h_66h()
10980: {
10981: switch(REG8(AL)) {
10982: case 0x01:
10983: REG16(BX) = active_code_page;
10984: REG16(DX) = system_code_page;
10985: break;
10986: case 0x02:
10987: if(active_code_page == REG16(BX)) {
10988: REG16(AX) = 0xeb41;
10989: } else if(_setmbcp(REG16(BX)) == 0) {
10990: active_code_page = REG16(BX);
1.1.1.17 root 10991: msdos_nls_tables_update();
1.1 root 10992: REG16(AX) = 0xeb41;
1.1.1.32 root 10993: SetConsoleCP(active_code_page);
10994: SetConsoleOutputCP(active_code_page);
1.1 root 10995: } else {
10996: REG16(AX) = 0x25;
1.1.1.3 root 10997: m_CF = 1;
1.1 root 10998: }
10999: break;
11000: default:
1.1.1.22 root 11001: 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 11002: REG16(AX) = 0x01;
1.1.1.3 root 11003: m_CF = 1;
1.1 root 11004: break;
11005: }
11006: }
11007:
11008: inline void msdos_int_21h_67h()
11009: {
11010: process_t *process = msdos_process_info_get(current_psp);
11011:
11012: if(REG16(BX) <= MAX_FILES) {
11013: process->max_files = max(REG16(BX), 20);
11014: } else {
11015: REG16(AX) = 0x08;
1.1.1.3 root 11016: m_CF = 1;
1.1 root 11017: }
11018: }
11019:
11020: inline void msdos_int_21h_68h()
11021: {
11022: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 11023: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 11024:
1.1.1.20 root 11025: if(fd < process->max_files && file_handler[fd].valid) {
11026: // fflush(_fdopen(fd, ""));
1.1 root 11027: } else {
11028: REG16(AX) = 0x06;
1.1.1.3 root 11029: m_CF = 1;
1.1 root 11030: }
11031: }
11032:
11033: inline void msdos_int_21h_69h()
11034: {
1.1.1.3 root 11035: drive_info_t *info = (drive_info_t *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 11036: char path[] = "A:\\";
11037: char volume_label[MAX_PATH];
11038: DWORD serial_number = 0;
11039: char file_system[MAX_PATH];
11040:
11041: if(REG8(BL) == 0) {
11042: path[0] = 'A' + _getdrive() - 1;
11043: } else {
11044: path[0] = 'A' + REG8(BL) - 1;
11045: }
11046:
11047: switch(REG8(AL)) {
11048: case 0x00:
11049: if(GetVolumeInformation(path, volume_label, MAX_PATH, &serial_number, NULL, NULL, file_system, MAX_PATH)) {
11050: info->info_level = 0;
11051: info->serial_number = serial_number;
11052: memset(info->volume_label, 0x20, 11);
11053: memcpy(info->volume_label, volume_label, min(strlen(volume_label), 11));
11054: memset(info->file_system, 0x20, 8);
11055: memcpy(info->file_system, file_system, min(strlen(file_system), 8));
11056: } else {
11057: REG16(AX) = errno;
1.1.1.3 root 11058: m_CF = 1;
1.1 root 11059: }
11060: break;
11061: case 0x01:
11062: REG16(AX) = 0x03;
1.1.1.3 root 11063: m_CF = 1;
1.1 root 11064: }
11065: }
11066:
11067: inline void msdos_int_21h_6ah()
11068: {
11069: REG8(AH) = 0x68;
11070: msdos_int_21h_68h();
11071: }
11072:
11073: inline void msdos_int_21h_6bh()
11074: {
11075: REG8(AL) = 0;
11076: }
11077:
11078: inline void msdos_int_21h_6ch(int lfn)
11079: {
1.1.1.3 root 11080: char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(SI)), lfn);
1.1 root 11081: int mode = REG8(BL) & 0x03;
11082:
11083: if(mode < 0x03) {
1.1.1.29 root 11084: if(msdos_is_device_path(path) || msdos_is_existing_file(path)) {
1.1 root 11085: // file exists
11086: if(REG8(DL) & 1) {
1.1.1.37 root 11087: int fd = -1;
1.1.1.11 root 11088: UINT16 info;
1.1.1.37 root 11089: int sio_port = 0;
11090: int lpt_port = 0;
1.1 root 11091:
1.1.1.11 root 11092: if(msdos_is_con_path(path)) {
1.1.1.13 root 11093: fd = msdos_open("CON", file_mode[mode].mode);
1.1.1.11 root 11094: info = 0x80d3;
1.1.1.37 root 11095: } else if((sio_port = msdos_is_comm_path(path)) != 0) {
11096: fd = msdos_open("NUL", file_mode[mode].mode);
1.1.1.14 root 11097: info = 0x80d3;
1.1.1.37 root 11098: msdos_set_comm_params(sio_port, path);
11099: } else if((lpt_port = msdos_is_prn_path(path)) != 0) {
11100: fd = msdos_open("NUL", file_mode[mode].mode);
11101: info = 0xa8c0;
1.1.1.29 root 11102: } else if(msdos_is_device_path(path)) {
1.1.1.20 root 11103: fd = msdos_open("NUL", file_mode[mode].mode);
11104: info = 0x80d3;
1.1.1.11 root 11105: } else {
1.1.1.13 root 11106: fd = msdos_open(path, file_mode[mode].mode);
1.1.1.11 root 11107: info = msdos_drive_number(path);
11108: }
1.1 root 11109: if(fd != -1) {
11110: REG16(AX) = fd;
11111: REG16(CX) = 1;
1.1.1.37 root 11112: msdos_file_handler_open(fd, path, _isatty(fd), mode, info, current_psp, sio_port, lpt_port);
1.1.1.20 root 11113: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 11114: } else {
11115: REG16(AX) = errno;
1.1.1.3 root 11116: m_CF = 1;
1.1 root 11117: }
11118: } else if(REG8(DL) & 2) {
11119: int attr = GetFileAttributes(path);
1.1.1.37 root 11120: int fd = -1;
1.1.1.11 root 11121: UINT16 info;
1.1.1.37 root 11122: int sio_port = 0;
11123: int lpt_port = 0;
1.1 root 11124:
1.1.1.11 root 11125: if(msdos_is_con_path(path)) {
1.1.1.13 root 11126: fd = msdos_open("CON", file_mode[mode].mode);
1.1.1.11 root 11127: info = 0x80d3;
1.1.1.37 root 11128: } else if((sio_port = msdos_is_comm_path(path)) != 0) {
11129: fd = msdos_open("NUL", file_mode[mode].mode);
1.1.1.14 root 11130: info = 0x80d3;
1.1.1.37 root 11131: msdos_set_comm_params(sio_port, path);
11132: } else if((lpt_port = msdos_is_prn_path(path)) != 0) {
11133: fd = msdos_open("NUL", file_mode[mode].mode);
11134: info = 0xa8c0;
1.1.1.29 root 11135: } else if(msdos_is_device_path(path)) {
1.1.1.20 root 11136: fd = msdos_open("NUL", file_mode[mode].mode);
11137: info = 0x80d3;
1.1 root 11138: } else {
11139: fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
1.1.1.11 root 11140: info = msdos_drive_number(path);
1.1 root 11141: }
11142: if(fd != -1) {
11143: if(attr == -1) {
11144: attr = msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY;
11145: }
11146: SetFileAttributes(path, attr);
11147: REG16(AX) = fd;
11148: REG16(CX) = 3;
1.1.1.37 root 11149: msdos_file_handler_open(fd, path, _isatty(fd), 2, info, current_psp, sio_port, lpt_port);
1.1.1.20 root 11150: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 11151: } else {
11152: REG16(AX) = errno;
1.1.1.3 root 11153: m_CF = 1;
1.1 root 11154: }
11155: } else {
11156: REG16(AX) = 0x50;
1.1.1.3 root 11157: m_CF = 1;
1.1 root 11158: }
11159: } else {
11160: // file not exists
11161: if(REG8(DL) & 0x10) {
11162: int fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
11163:
11164: if(fd != -1) {
11165: SetFileAttributes(path, msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY);
11166: REG16(AX) = fd;
11167: REG16(CX) = 2;
11168: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_drive_number(path), current_psp);
1.1.1.20 root 11169: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 11170: } else {
11171: REG16(AX) = errno;
1.1.1.3 root 11172: m_CF = 1;
1.1 root 11173: }
11174: } else {
11175: REG16(AX) = 0x02;
1.1.1.3 root 11176: m_CF = 1;
1.1 root 11177: }
11178: }
11179: } else {
11180: REG16(AX) = 0x0c;
1.1.1.3 root 11181: m_CF = 1;
1.1 root 11182: }
11183: }
11184:
11185: inline void msdos_int_21h_710dh()
11186: {
11187: // reset drive
11188: }
11189:
1.1.1.17 root 11190: inline void msdos_int_21h_7141h(int lfn)
11191: {
11192: if(REG16(SI) == 0) {
11193: msdos_int_21h_41h(lfn);
11194: return;
11195: }
11196: if(REG16(SI) != 1) {
11197: REG16(AX) = 5;
11198: m_CF = 1;
11199: }
11200: /* wild card and matching attributes... */
11201: char tmp[MAX_PATH * 2];
11202: // copy search pathname (and quick check overrun)
11203: ZeroMemory(tmp, sizeof(tmp));
11204: tmp[MAX_PATH - 1] = '\0';
11205: tmp[MAX_PATH] = 1;
11206: strncpy(tmp, (char *)(mem + SREG_BASE(DS) + REG16(DX)), MAX_PATH);
11207:
11208: if(tmp[MAX_PATH - 1] != '\0' || tmp[MAX_PATH] != 1) {
11209: REG16(AX) = 1;
11210: m_CF = 1;
11211: return;
11212: }
11213: for(char *s = tmp; *s; ++s) {
11214: if(*s == '/') {
11215: *s = '\\';
11216: }
11217: }
11218: char *tmp_name = (char *)_mbsrchr((unsigned char *)tmp, '\\');
11219: if(tmp_name) {
11220: ++tmp_name;
11221: } else {
11222: tmp_name = strchr(tmp, ':');
11223: tmp_name = tmp_name ? tmp_name + 1 : tmp;
11224: }
11225:
11226: WIN32_FIND_DATAA fd;
11227: HANDLE fh = FindFirstFileA(tmp, &fd);
11228: if(fh == INVALID_HANDLE_VALUE) {
11229: REG16(AX) = 2;
11230: m_CF = 1;
11231: return;
11232: }
11233: do {
11234: if(msdos_find_file_check_attribute(fd.dwFileAttributes, REG8(CL), REG8(CH)) && msdos_find_file_has_8dot3name(&fd)) {
11235: strcpy(tmp_name, fd.cFileName);
11236: if(remove(msdos_trimmed_path(tmp, lfn))) {
11237: REG16(AX) = 5;
11238: m_CF = 1;
11239: break;
11240: }
11241: }
11242: } while(FindNextFileA(fh, &fd));
11243: if(!m_CF) {
11244: if(GetLastError() != ERROR_NO_MORE_FILES) {
11245: m_CF = 1;
11246: REG16(AX) = 2;
11247: }
11248: }
11249: FindClose(fh);
11250: }
11251:
1.1 root 11252: inline void msdos_int_21h_714eh()
11253: {
11254: process_t *process = msdos_process_info_get(current_psp);
1.1.1.3 root 11255: find_lfn_t *find = (find_lfn_t *)(mem + SREG_BASE(ES) + REG16(DI));
11256: char *path = (char *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 11257: WIN32_FIND_DATA fd;
11258:
1.1.1.13 root 11259: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, LFN_DTA_LADDR);
11260: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
11261: FindClose(dtainfo->find_handle);
11262: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 11263: }
11264: strcpy(process->volume_label, msdos_volume_label(path));
1.1.1.14 root 11265: dtainfo->allowable_mask = REG8(CL);
11266: dtainfo->required_mask = REG8(CH);
11267: bool label_only = (dtainfo->allowable_mask == 8);
1.1 root 11268:
1.1.1.14 root 11269: if((dtainfo->allowable_mask & 8) && !msdos_match_volume_label(path, msdos_short_volume_label(process->volume_label))) {
11270: dtainfo->allowable_mask &= ~8;
1.1 root 11271: }
1.1.1.14 root 11272: if(!label_only && (dtainfo->find_handle = FindFirstFile(path, &fd)) != INVALID_HANDLE_VALUE) {
11273: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, dtainfo->required_mask)) {
1.1.1.13 root 11274: if(!FindNextFile(dtainfo->find_handle, &fd)) {
11275: FindClose(dtainfo->find_handle);
11276: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 11277: break;
11278: }
11279: }
11280: }
1.1.1.13 root 11281: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 11282: find->attrib = fd.dwFileAttributes;
11283: msdos_find_file_conv_local_time(&fd);
11284: if(REG16(SI) == 0) {
11285: find->ctime_lo.dw = fd.ftCreationTime.dwLowDateTime;
11286: find->ctime_hi.dw = fd.ftCreationTime.dwHighDateTime;
11287: find->atime_lo.dw = fd.ftLastAccessTime.dwLowDateTime;
11288: find->atime_hi.dw = fd.ftLastAccessTime.dwHighDateTime;
11289: find->mtime_lo.dw = fd.ftLastWriteTime.dwLowDateTime;
11290: find->mtime_hi.dw = fd.ftLastWriteTime.dwHighDateTime;
11291: } else {
11292: FileTimeToDosDateTime(&fd.ftCreationTime, &find->ctime_lo.w.h, &find->ctime_lo.w.l);
11293: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->atime_lo.w.h, &find->atime_lo.w.l);
11294: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->mtime_lo.w.h, &find->mtime_lo.w.l);
11295: }
11296: find->size_hi = fd.nFileSizeHigh;
11297: find->size_lo = fd.nFileSizeLow;
11298: strcpy(find->full_name, fd.cFileName);
1.1.1.13 root 11299: strcpy(find->short_name, fd.cAlternateFileName);
1.1.1.14 root 11300: REG16(AX) = dtainfo - dtalist + 1;
11301: } else if(dtainfo->allowable_mask & 8) {
1.1 root 11302: // volume label
11303: find->attrib = 8;
11304: find->size_hi = find->size_lo = 0;
11305: strcpy(find->full_name, process->volume_label);
11306: strcpy(find->short_name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 11307: dtainfo->allowable_mask &= ~8;
11308: REG16(AX) = dtainfo - dtalist + 1;
1.1 root 11309: } else {
11310: REG16(AX) = 0x12; // NOTE: return 0x02 if file path is invalid
1.1.1.3 root 11311: m_CF = 1;
1.1 root 11312: }
11313: }
11314:
11315: inline void msdos_int_21h_714fh()
11316: {
11317: process_t *process = msdos_process_info_get(current_psp);
1.1.1.3 root 11318: find_lfn_t *find = (find_lfn_t *)(mem + SREG_BASE(ES) + REG16(DI));
1.1 root 11319: WIN32_FIND_DATA fd;
11320:
1.1.1.14 root 11321: if(REG16(BX) - 1u >= MAX_DTAINFO) {
11322: REG16(AX) = 6;
1.1.1.13 root 11323: m_CF = 1;
11324: return;
11325: }
1.1.1.14 root 11326: dtainfo_t *dtainfo = &dtalist[REG16(BX) - 1];
1.1.1.13 root 11327: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
11328: if(FindNextFile(dtainfo->find_handle, &fd)) {
1.1.1.14 root 11329: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, dtainfo->required_mask)) {
1.1.1.13 root 11330: if(!FindNextFile(dtainfo->find_handle, &fd)) {
11331: FindClose(dtainfo->find_handle);
11332: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 11333: break;
11334: }
11335: }
11336: } else {
1.1.1.13 root 11337: FindClose(dtainfo->find_handle);
11338: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 11339: }
11340: }
1.1.1.13 root 11341: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 11342: find->attrib = fd.dwFileAttributes;
11343: msdos_find_file_conv_local_time(&fd);
11344: if(REG16(SI) == 0) {
11345: find->ctime_lo.dw = fd.ftCreationTime.dwLowDateTime;
11346: find->ctime_hi.dw = fd.ftCreationTime.dwHighDateTime;
11347: find->atime_lo.dw = fd.ftLastAccessTime.dwLowDateTime;
11348: find->atime_hi.dw = fd.ftLastAccessTime.dwHighDateTime;
11349: find->mtime_lo.dw = fd.ftLastWriteTime.dwLowDateTime;
11350: find->mtime_hi.dw = fd.ftLastWriteTime.dwHighDateTime;
11351: } else {
11352: FileTimeToDosDateTime(&fd.ftCreationTime, &find->ctime_lo.w.h, &find->ctime_lo.w.l);
11353: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->atime_lo.w.h, &find->atime_lo.w.l);
11354: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->mtime_lo.w.h, &find->mtime_lo.w.l);
11355: }
11356: find->size_hi = fd.nFileSizeHigh;
11357: find->size_lo = fd.nFileSizeLow;
11358: strcpy(find->full_name, fd.cFileName);
1.1.1.13 root 11359: strcpy(find->short_name, fd.cAlternateFileName);
1.1.1.14 root 11360: } else if(dtainfo->allowable_mask & 8) {
1.1 root 11361: // volume label
11362: find->attrib = 8;
11363: find->size_hi = find->size_lo = 0;
11364: strcpy(find->full_name, process->volume_label);
11365: strcpy(find->short_name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 11366: dtainfo->allowable_mask &= ~8;
1.1 root 11367: } else {
11368: REG16(AX) = 0x12;
1.1.1.3 root 11369: m_CF = 1;
1.1 root 11370: }
11371: }
11372:
11373: inline void msdos_int_21h_71a0h()
11374: {
11375: DWORD max_component_len, file_sys_flag;
11376:
1.1.1.14 root 11377: 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))) {
11378: REG16(BX) = (UINT16)file_sys_flag & (FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVED_NAMES | FILE_UNICODE_ON_DISK | FILE_VOLUME_IS_COMPRESSED);
11379: REG16(BX) |= 0x4000; // supports LFN functions
1.1 root 11380: REG16(CX) = (UINT16)max_component_len; // 255
11381: REG16(DX) = (UINT16)max_component_len + 5; // 260
11382: } else {
11383: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 11384: m_CF = 1;
1.1 root 11385: }
11386: }
11387:
11388: inline void msdos_int_21h_71a1h()
11389: {
1.1.1.14 root 11390: if(REG16(BX) - 1u >= MAX_DTAINFO) {
11391: REG16(AX) = 6;
1.1.1.13 root 11392: m_CF = 1;
11393: return;
11394: }
1.1.1.14 root 11395: dtainfo_t *dtainfo = &dtalist[REG16(BX) - 1];
1.1.1.13 root 11396: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
11397: FindClose(dtainfo->find_handle);
11398: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 11399: }
11400: }
11401:
11402: inline void msdos_int_21h_71a6h()
11403: {
11404: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 11405: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
11406:
1.1.1.3 root 11407: UINT8 *buffer = (UINT8 *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 11408: struct _stat64 status;
11409: DWORD serial_number = 0;
11410:
1.1.1.20 root 11411: if(fd < process->max_files && file_handler[fd].valid) {
11412: if(_fstat64(fd, &status) == 0) {
11413: if(file_handler[fd].path[1] == ':') {
1.1 root 11414: // NOTE: we need to consider the network file path "\\host\share\"
11415: char volume[] = "A:\\";
1.1.1.20 root 11416: volume[0] = file_handler[fd].path[1];
1.1 root 11417: GetVolumeInformation(volume, NULL, 0, &serial_number, NULL, NULL, NULL, 0);
11418: }
1.1.1.20 root 11419: *(UINT32 *)(buffer + 0x00) = GetFileAttributes(file_handler[fd].path);
1.1 root 11420: *(UINT32 *)(buffer + 0x04) = (UINT32)(status.st_ctime & 0xffffffff);
11421: *(UINT32 *)(buffer + 0x08) = (UINT32)((status.st_ctime >> 32) & 0xffffffff);
11422: *(UINT32 *)(buffer + 0x0c) = (UINT32)(status.st_atime & 0xffffffff);
11423: *(UINT32 *)(buffer + 0x10) = (UINT32)((status.st_atime >> 32) & 0xffffffff);
11424: *(UINT32 *)(buffer + 0x14) = (UINT32)(status.st_mtime & 0xffffffff);
11425: *(UINT32 *)(buffer + 0x18) = (UINT32)((status.st_mtime >> 32) & 0xffffffff);
11426: *(UINT32 *)(buffer + 0x1c) = serial_number;
11427: *(UINT32 *)(buffer + 0x20) = (UINT32)((status.st_size >> 32) & 0xffffffff);
11428: *(UINT32 *)(buffer + 0x24) = (UINT32)(status.st_size & 0xffffffff);
11429: *(UINT32 *)(buffer + 0x28) = status.st_nlink;
1.1.1.14 root 11430: // this is dummy id and it will be changed when it is reopened...
1.1 root 11431: *(UINT32 *)(buffer + 0x2c) = 0;
1.1.1.20 root 11432: *(UINT32 *)(buffer + 0x30) = file_handler[fd].id;
1.1 root 11433: } else {
11434: REG16(AX) = errno;
1.1.1.3 root 11435: m_CF = 1;
1.1 root 11436: }
11437: } else {
11438: REG16(AX) = 0x06;
1.1.1.3 root 11439: m_CF = 1;
1.1 root 11440: }
11441: }
11442:
11443: inline void msdos_int_21h_71a7h()
11444: {
11445: switch(REG8(BL)) {
11446: case 0x00:
1.1.1.3 root 11447: if(!FileTimeToDosDateTime((FILETIME *)(mem + SREG_BASE(DS) + REG16(SI)), ®16(DX), ®16(CX))) {
1.1 root 11448: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 11449: m_CF = 1;
1.1 root 11450: }
11451: break;
11452: case 0x01:
11453: // NOTE: we need to check BH that shows 10-millisecond untils past time in CX
1.1.1.3 root 11454: if(!DosDateTimeToFileTime(REG16(DX), REG16(CX), (FILETIME *)(mem + SREG_BASE(ES) + REG16(DI)))) {
1.1 root 11455: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 11456: m_CF = 1;
1.1 root 11457: }
11458: break;
11459: default:
1.1.1.22 root 11460: 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 11461: REG16(AX) = 0x01;
1.1.1.3 root 11462: m_CF = 1;
1.1 root 11463: break;
11464: }
11465: }
11466:
11467: inline void msdos_int_21h_71a8h()
11468: {
11469: if(REG8(DH) == 0) {
11470: char tmp[MAX_PATH], fcb[MAX_PATH];
1.1.1.3 root 11471: strcpy(tmp, msdos_short_path((char *)(mem + SREG_BASE(DS) + REG16(SI))));
1.1 root 11472: memset(fcb, 0x20, sizeof(fcb));
11473: int len = strlen(tmp);
1.1.1.21 root 11474: for(int i = 0, pos = 0; i < len; i++) {
1.1 root 11475: if(tmp[i] == '.') {
11476: pos = 8;
11477: } else {
11478: if(msdos_lead_byte_check(tmp[i])) {
11479: fcb[pos++] = tmp[i++];
11480: }
11481: fcb[pos++] = tmp[i];
11482: }
11483: }
1.1.1.3 root 11484: memcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), fcb, 11);
1.1 root 11485: } else {
1.1.1.3 root 11486: strcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), msdos_short_path((char *)(mem + SREG_BASE(DS) + REG16(SI))));
1.1 root 11487: }
11488: }
11489:
1.1.1.22 root 11490: inline void msdos_int_21h_71aah()
11491: {
11492: char drv[] = "A:", path[MAX_PATH];
11493: char *hoge=(char *)(mem + SREG_BASE(DS) + REG16(DX));
11494:
11495: if(REG8(BL) == 0) {
11496: drv[0] = 'A' + _getdrive() - 1;
11497: } else {
11498: drv[0] = 'A' + REG8(BL) - 1;
11499: }
11500: switch(REG8(BH)) {
11501: case 0x00:
11502: if(DefineDosDevice(0, drv, (char *)(mem + SREG_BASE(DS) + REG16(DX))) == 0) {
11503: DWORD bits = 1 << ((REG8(BL) ? REG8(BL) : _getdrive()) - 1);
11504: if(GetLogicalDrives() & bits) {
11505: REG16(AX) = 0x0f; // invalid drive
11506: } else {
11507: REG16(AX) = 0x03; // path not found
11508: }
11509: m_CF = 1;
11510: }
11511: break;
11512: case 0x01:
11513: if(DefineDosDevice(DDD_REMOVE_DEFINITION, drv, NULL) == 0) {
11514: REG16(AX) = 0x0f; // invalid drive
11515: m_CF = 1;
11516: }
11517: break;
11518: case 0x02:
11519: if(QueryDosDevice(drv, path, MAX_PATH) == 0) {
11520: REG16(AX) = 0x0f; // invalid drive
11521: m_CF = 1;
11522: } else if(strncmp(path, "\\??\\", 4) != 0) {
11523: REG16(AX) = 0x0f; // invalid drive
11524: m_CF = 1;
11525: } else {
11526: strcpy((char *)(mem + SREG_BASE(DS) + REG16(DX)), path + 4);
11527: }
11528: break;
11529: default:
11530: 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));
11531: REG16(AX) = 0x01;
11532: m_CF = 1;
11533: break;
11534: }
11535: }
11536:
1.1.1.14 root 11537: inline void msdos_int_21h_7300h()
11538: {
11539: if(REG8(AL) == 0) {
11540: REG8(AL) = REG8(CL);
11541: REG8(AH) = 0;
11542: } else {
11543: REG16(AX) = 0x01;
11544: m_CF = 1;
11545: }
11546: }
11547:
11548: inline void msdos_int_21h_7302h()
11549: {
11550: int drive_num = (REG8(DL) == 0) ? (_getdrive() - 1) : (REG8(DL) - 1);
11551: UINT16 seg, ofs;
11552:
11553: if(REG16(CX) < 0x3f) {
11554: REG8(AL) = 0x18;
11555: m_CF = 1;
11556: } else if(!msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
11557: REG8(AL) = 0xff;
11558: m_CF = 1;
11559: } else {
11560: memcpy(mem + SREG_BASE(ES) + REG16(DI) + 2, mem + (seg << 4) + ofs, sizeof(dpb_t));
11561: }
11562: }
11563:
1.1 root 11564: inline void msdos_int_21h_7303h()
11565: {
1.1.1.3 root 11566: char *path = (char *)(mem + SREG_BASE(DS) + REG16(DX));
11567: ext_space_info_t *info = (ext_space_info_t *)(mem + SREG_BASE(ES) + REG16(DI));
1.1 root 11568: DWORD sectors_per_cluster, bytes_per_sector, free_clusters, total_clusters;
11569:
11570: if(GetDiskFreeSpace(path, §ors_per_cluster, &bytes_per_sector, &free_clusters, &total_clusters)) {
11571: info->size_of_structure = sizeof(ext_space_info_t);
11572: info->structure_version = 0;
11573: info->sectors_per_cluster = sectors_per_cluster;
11574: info->bytes_per_sector = bytes_per_sector;
11575: info->available_clusters_on_drive = free_clusters;
11576: info->total_clusters_on_drive = total_clusters;
11577: info->available_sectors_on_drive = sectors_per_cluster * free_clusters;
11578: info->total_sectors_on_drive = sectors_per_cluster * total_clusters;
11579: info->available_allocation_units = free_clusters; // ???
11580: info->total_allocation_units = total_clusters; // ???
11581: } else {
11582: REG16(AX) = errno;
1.1.1.3 root 11583: m_CF = 1;
1.1 root 11584: }
11585: }
11586:
1.1.1.30 root 11587: inline void msdos_int_21h_dbh()
11588: {
11589: // Novell NetWare - Workstation - Get Number of Local Drives
11590: dos_info_t *dos_info = (dos_info_t *)(mem + DOS_INFO_TOP);
11591: REG8(AL) = dos_info->last_drive;
11592: }
11593:
11594: inline void msdos_int_21h_dch()
11595: {
11596: // Novell NetWare - Connection Services - Get Connection Number
11597: REG8(AL) = 0x00;
11598: }
11599:
1.1.1.32 root 11600: inline void msdos_int_24h()
11601: {
11602: const char *message = NULL;
11603: int key = 0;
11604:
11605: for(int i = 0; i < array_length(critical_error_table); i++) {
11606: if(critical_error_table[i].code == (REG16(DI) & 0xff) || critical_error_table[i].code == (UINT16)-1) {
11607: if(active_code_page == 932) {
11608: message = critical_error_table[i].message_japanese;
11609: }
11610: if(message == NULL) {
11611: message = critical_error_table[i].message_english;
11612: }
11613: *(UINT8 *)(mem + WORK_TOP) = strlen(message);
11614: strcpy((char *)(mem + WORK_TOP + 1), message);
11615:
11616: SREG(ES) = WORK_TOP >> 4;
11617: i386_load_segment_descriptor(ES);
11618: REG16(DI) = 0x0000;
11619: break;
11620: }
11621: }
11622: fprintf(stderr, "\n%s", message);
11623: if(!(REG8(AH) & 0x80)) {
11624: if(REG8(AH) & 0x01) {
11625: fprintf(stderr, " %s %c", (active_code_page == 932) ? "�������ݒ� �h���C�u" : "writing drive", 'A' + REG8(AL));
11626: } else {
11627: fprintf(stderr, " %s %c", (active_code_page == 932) ? "�ǂݎ�蒆 �h���C�u" : "reading drive", 'A' + REG8(AL));
11628: }
11629: }
11630: fprintf(stderr, "\n");
11631:
1.1.1.33 root 11632: {
1.1.1.32 root 11633: fprintf(stderr, "%s", (active_code_page == 932) ? "���~ (A)" : "Abort");
1.1.1.33 root 11634: }
1.1.1.32 root 11635: if(REG8(AH) & 0x10) {
11636: fprintf(stderr, ", %s", (active_code_page == 932) ? "���s (R)" : "Retry");
11637: }
11638: if(REG8(AH) & 0x20) {
11639: fprintf(stderr, ", %s", (active_code_page == 932) ? "���� (I)" : "Ignore");
11640: }
11641: if(REG8(AH) & 0x08) {
11642: fprintf(stderr, ", %s", (active_code_page == 932) ? "���s (F)" : "Fail");
11643: }
11644: fprintf(stderr, "? ");
11645:
11646: while(1) {
11647: while(!_kbhit()) {
11648: Sleep(10);
11649: }
11650: key = _getch();
11651:
11652: if(key == 'I' || key == 'i') {
11653: if(REG8(AH) & 0x20) {
11654: REG8(AL) = 0;
11655: break;
11656: }
11657: } else if(key == 'R' || key == 'r') {
11658: if(REG8(AH) & 0x10) {
11659: REG8(AL) = 1;
11660: break;
11661: }
11662: } else if(key == 'A' || key == 'a') {
11663: REG8(AL) = 2;
11664: break;
11665: } else if(key == 'F' || key == 'f') {
11666: if(REG8(AH) & 0x08) {
11667: REG8(AL) = 3;
11668: break;
11669: }
11670: }
11671: }
11672: fprintf(stderr, "%c\n", key);
11673: }
11674:
1.1 root 11675: inline void msdos_int_25h()
11676: {
11677: UINT16 seg, ofs;
11678: DWORD dwSize;
11679:
1.1.1.3 root 11680: #if defined(HAS_I386)
11681: I386OP(pushf)();
11682: #else
11683: PREFIX86(_pushf());
11684: #endif
1.1 root 11685:
11686: if(!(REG8(AL) < 26)) {
11687: REG8(AL) = 0x01; // unit unknown
1.1.1.3 root 11688: m_CF = 1;
1.1 root 11689: } else if(!msdos_drive_param_block_update(REG8(AL), &seg, &ofs, 0)) {
11690: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 11691: m_CF = 1;
1.1 root 11692: } else {
11693: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
11694: char dev[64];
11695: sprintf(dev, "\\\\.\\%c:", 'A' + REG8(AL));
11696:
11697: HANDLE hFile = CreateFile(dev, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
11698: if(hFile == INVALID_HANDLE_VALUE) {
11699: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 11700: m_CF = 1;
1.1 root 11701: } else {
1.1.1.19 root 11702: UINT32 top_sector = REG16(DX);
11703: UINT16 sector_num = REG16(CX);
11704: UINT32 buffer_addr = SREG_BASE(DS) + REG16(BX);
11705:
11706: if(sector_num == 0xffff) {
11707: top_sector = *(UINT32 *)(mem + buffer_addr + 0);
11708: sector_num = *(UINT16 *)(mem + buffer_addr + 4);
11709: UINT16 ofs = *(UINT16 *)(mem + buffer_addr + 6);
11710: UINT16 seg = *(UINT16 *)(mem + buffer_addr + 8);
11711: buffer_addr = (seg << 4) + ofs;
11712: }
11713: // if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
11714: // REG8(AL) = 0x02; // drive not ready
11715: // m_CF = 1;
11716: // } else
11717: if(SetFilePointer(hFile, top_sector * dpb->bytes_per_sector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
1.1 root 11718: REG8(AL) = 0x08; // sector not found
1.1.1.3 root 11719: m_CF = 1;
1.1.1.19 root 11720: } else if(ReadFile(hFile, mem + buffer_addr, sector_num * dpb->bytes_per_sector, &dwSize, NULL) == 0) {
1.1 root 11721: REG8(AL) = 0x0b; // read error
1.1.1.3 root 11722: m_CF = 1;
1.1 root 11723: }
11724: CloseHandle(hFile);
11725: }
11726: }
11727: }
11728:
11729: inline void msdos_int_26h()
11730: {
11731: // this operation may cause serious damage for drives, so always returns error...
11732: UINT16 seg, ofs;
11733: DWORD dwSize;
11734:
1.1.1.3 root 11735: #if defined(HAS_I386)
11736: I386OP(pushf)();
11737: #else
11738: PREFIX86(_pushf());
11739: #endif
1.1 root 11740:
11741: if(!(REG8(AL) < 26)) {
11742: REG8(AL) = 0x01; // unit unknown
1.1.1.3 root 11743: m_CF = 1;
1.1 root 11744: } else if(!msdos_drive_param_block_update(REG8(AL), &seg, &ofs, 0)) {
11745: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 11746: m_CF = 1;
1.1 root 11747: } else {
11748: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
11749: char dev[64];
11750: sprintf(dev, "\\\\.\\%c:", 'A' + REG8(AL));
11751:
11752: if(dpb->media_type == 0xf8) {
11753: // this drive is not a floppy
1.1.1.6 root 11754: // if(!(((dos_info_t *)(mem + DOS_INFO_TOP))->dos_flag & 0x40)) {
11755: // fatalerror("This application tried the absolute disk write to drive %c:\n", 'A' + REG8(AL));
11756: // }
1.1 root 11757: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 11758: m_CF = 1;
1.1 root 11759: } else {
11760: HANDLE hFile = CreateFile(dev, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
11761: if(hFile == INVALID_HANDLE_VALUE) {
11762: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 11763: m_CF = 1;
1.1 root 11764: } else {
1.1.1.19 root 11765: UINT32 top_sector = REG16(DX);
11766: UINT16 sector_num = REG16(CX);
11767: UINT32 buffer_addr = SREG_BASE(DS) + REG16(BX);
11768:
11769: if(sector_num == 0xffff) {
11770: top_sector = *(UINT32 *)(mem + buffer_addr + 0);
11771: sector_num = *(UINT16 *)(mem + buffer_addr + 4);
11772: UINT16 ofs = *(UINT16 *)(mem + buffer_addr + 6);
11773: UINT16 seg = *(UINT16 *)(mem + buffer_addr + 8);
11774: buffer_addr = (seg << 4) + ofs;
11775: }
1.1 root 11776: if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
11777: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 11778: m_CF = 1;
1.1.1.19 root 11779: } else if(SetFilePointer(hFile, top_sector * dpb->bytes_per_sector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
1.1 root 11780: REG8(AL) = 0x08; // sector not found
1.1.1.3 root 11781: m_CF = 1;
1.1.1.19 root 11782: } else if(WriteFile(hFile, mem + buffer_addr, sector_num * dpb->bytes_per_sector, &dwSize, NULL) == 0) {
1.1 root 11783: REG8(AL) = 0x0a; // write error
1.1.1.3 root 11784: m_CF = 1;
1.1 root 11785: }
11786: CloseHandle(hFile);
11787: }
11788: }
11789: }
11790: }
11791:
11792: inline void msdos_int_27h()
11793: {
1.1.1.29 root 11794: int paragraphs = (min(REG16(DX), 0xfff0) + 15) >> 4;
11795: try {
11796: msdos_mem_realloc(SREG(CS), paragraphs, NULL);
11797: } catch(...) {
11798: // recover the broken mcb
11799: int mcb_seg = SREG(CS) - 1;
11800: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1.1.33 root 11801:
1.1.1.29 root 11802: if(mcb_seg < (MEMORY_END >> 4)) {
1.1.1.33 root 11803: mcb->mz = 'M';
11804: mcb->paragraphs = (MEMORY_END >> 4) - mcb_seg - 2;
11805:
1.1.1.29 root 11806: if(((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked & 0x01) {
1.1.1.39! root 11807: msdos_mcb_create((MEMORY_END >> 4) - 1, 'M', PSP_SYSTEM, (UMB_TOP >> 4) - (MEMORY_END >> 4), "SC");
1.1.1.29 root 11808: } else {
1.1.1.39! root 11809: msdos_mcb_create((MEMORY_END >> 4) - 1, 'Z', PSP_SYSTEM, 0, "SC");
1.1.1.29 root 11810: }
11811: } else {
11812: mcb->mz = 'Z';
1.1.1.30 root 11813: mcb->paragraphs = (UMB_END >> 4) - mcb_seg - 1;
1.1.1.29 root 11814: }
11815: msdos_mem_realloc(SREG(CS), paragraphs, NULL);
11816: }
1.1.1.3 root 11817: msdos_process_terminate(SREG(CS), retval | 0x300, 0);
1.1 root 11818: }
11819:
11820: inline void msdos_int_29h()
11821: {
1.1.1.14 root 11822: #if 1
11823: // need to check escape sequences
1.1 root 11824: msdos_putch(REG8(AL));
1.1.1.14 root 11825: #else
11826: DWORD num;
11827: vram_flush();
1.1.1.23 root 11828: WriteConsole(GetStdHandle(STD_OUTPUT_HANDLE), ®8(AL), 1, &num, NULL);
1.1.1.14 root 11829: cursor_moved = true;
11830: #endif
1.1 root 11831: }
11832:
11833: inline void msdos_int_2eh()
11834: {
11835: char tmp[MAX_PATH], command[MAX_PATH], opt[MAX_PATH];
11836: memset(tmp, 0, sizeof(tmp));
1.1.1.3 root 11837: strcpy(tmp, (char *)(mem + SREG_BASE(DS) + REG16(SI)));
1.1 root 11838: char *token = my_strtok(tmp, " ");
11839: strcpy(command, token);
11840: strcpy(opt, token + strlen(token) + 1);
11841:
11842: param_block_t *param = (param_block_t *)(mem + WORK_TOP);
11843: param->env_seg = 0;
11844: param->cmd_line.w.l = 44;
11845: param->cmd_line.w.h = (WORK_TOP >> 4);
11846: param->fcb1.w.l = 24;
11847: param->fcb1.w.h = (WORK_TOP >> 4);
11848: param->fcb2.w.l = 24;
11849: param->fcb2.w.h = (WORK_TOP >> 4);
11850:
11851: memset(mem + WORK_TOP + 24, 0x20, 20);
11852:
11853: cmd_line_t *cmd_line = (cmd_line_t *)(mem + WORK_TOP + 44);
11854: cmd_line->len = strlen(opt);
11855: strcpy(cmd_line->cmd, opt);
11856: cmd_line->cmd[cmd_line->len] = 0x0d;
11857:
1.1.1.28 root 11858: try {
11859: if(msdos_process_exec(command, param, 0)) {
11860: REG16(AX) = 0xffff; // error before processing command
11861: } else {
11862: // set flag to set retval to ax when the started process is terminated
11863: process_t *process = msdos_process_info_get(current_psp);
11864: process->called_by_int2eh = true;
11865: }
11866: } catch(...) {
11867: REG16(AX) = 0xffff; // error before processing command
11868: }
1.1 root 11869: }
11870:
1.1.1.29 root 11871: inline void msdos_int_2fh_05h()
11872: {
11873: switch(REG8(AL)) {
11874: case 0x00:
1.1.1.32 root 11875: REG8(AL) = 0xff;
11876: break;
11877: case 0x01:
11878: case 0x02:
11879: for(int i = 0; i < array_length(standard_error_table); i++) {
11880: if(standard_error_table[i].code == REG16(BX) || standard_error_table[i].code == (UINT16)-1) {
11881: const char *message = NULL;
11882: if(active_code_page == 932) {
11883: message = standard_error_table[i].message_japanese;
11884: }
11885: if(message == NULL) {
11886: message = standard_error_table[i].message_english;
11887: }
11888: strcpy((char *)(mem + WORK_TOP), message);
11889:
11890: SREG(ES) = WORK_TOP >> 4;
11891: i386_load_segment_descriptor(ES);
11892: REG16(DI) = 0x0000;
11893: REG8(AL) = 0x01;
11894: break;
11895: }
11896: }
1.1.1.29 root 11897: break;
11898: default:
11899: 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));
11900: m_CF = 1;
11901: }
11902: }
11903:
1.1.1.22 root 11904: inline void msdos_int_2fh_11h()
11905: {
11906: switch(REG8(AL)) {
11907: case 0x00:
1.1.1.29 root 11908: if(i386_read_stack() == 0xdada) {
11909: // MSCDEX is not installed
11910: // REG8(AL) = 0x00;
11911: } else {
11912: // Network Redirector is not installed
11913: // REG8(AL) = 0x00;
11914: }
1.1.1.22 root 11915: break;
11916: default:
11917: 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 11918: REG16(AX) = 0x49; // network software not installed
1.1.1.22 root 11919: m_CF = 1;
11920: break;
11921: }
11922: }
11923:
1.1.1.21 root 11924: inline void msdos_int_2fh_12h()
11925: {
11926: switch(REG8(AL)) {
1.1.1.22 root 11927: case 0x00:
1.1.1.29 root 11928: // DOS 3.0+ internal functions are installed
1.1.1.22 root 11929: REG8(AL) = 0xff;
11930: break;
1.1.1.29 root 11931: // case 0x01: // DOS 3.0+ internal - Close Current File
11932: case 0x02:
11933: {
11934: UINT16 stack = i386_read_stack();
11935: REG16(BX) = *(UINT16 *)(mem + 4 * stack + 0);
11936: SREG(ES) = *(UINT16 *)(mem + 4 * stack + 2);
11937: i386_load_segment_descriptor(ES);
11938: }
11939: break;
1.1.1.30 root 11940: case 0x03:
11941: SREG(DS) = (DEVICE_TOP >> 4);
11942: i386_load_segment_descriptor(DS);
11943: break;
1.1.1.29 root 11944: case 0x04:
11945: {
11946: UINT16 stack = i386_read_stack();
11947: REG8(AL) = (stack == '/') ? '\\' : stack;
11948: #if defined(HAS_I386)
11949: m_ZF = (REG8(AL) == '\\');
11950: #else
11951: m_ZeroVal = (REG8(AL) != '\\');
11952: #endif
11953: }
11954: break;
11955: case 0x05:
11956: msdos_putch(i386_read_stack());
11957: break;
11958: // case 0x06: // DOS 3.0+ internal - Invole Critical Error
11959: // case 0x07: // DOS 3.0+ internal - Make Disk Buffer Most Recentry Used
11960: // case 0x08: // DOS 3.0+ internal - Decrement SFT Reference Count
11961: // case 0x09: // DOS 3.0+ internal - Flush and FREE Disk Buffer
11962: // case 0x0a: // DOS 3.0+ internal - Perform Critical Error Interrupt
11963: // case 0x0b: // DOS 3.0+ internal - Signal Sharing Violation to User
11964: // case 0x0c: // DOS 3.0+ internal - Open Device and Set SFT Owner/Mode
11965: case 0x0d:
11966: {
11967: SYSTEMTIME time;
11968: FILETIME file_time;
11969: WORD dos_date, dos_time;
11970: GetLocalTime(&time);
11971: SystemTimeToFileTime(&time, &file_time);
11972: FileTimeToDosDateTime(&file_time, &dos_date, &dos_time);
11973: REG16(AX) = dos_date;
11974: REG16(DX) = dos_time;
11975: }
11976: break;
11977: // case 0x0e: // DOS 3.0+ internal - Mark All Disk Buffers Unreferenced
11978: // case 0x0f: // DOS 3.0+ internal - Make Buffer Most Recentry Used
11979: // case 0x10: // DOS 3.0+ internal - Find Unreferenced Disk Buffer
11980: case 0x11:
11981: {
11982: char path[MAX_PATH], *p;
11983: strcpy(path, (char *)(mem + SREG_BASE(DS) + REG16(SI)));
11984: my_strupr(path);
11985: while((p = my_strchr(path, '/')) != NULL) {
11986: *p = '\\';
11987: }
11988: strcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), path);
11989: }
11990: break;
11991: case 0x12:
11992: REG16(CX) = strlen((char *)(mem + SREG_BASE(ES) + REG16(DI)));
11993: break;
11994: case 0x13:
11995: {
11996: char tmp[2] = {0};
11997: tmp[0] = i386_read_stack();
11998: my_strupr(tmp);
11999: REG8(AL) = tmp[0];
12000: }
12001: break;
12002: case 0x14:
12003: #if defined(HAS_I386)
12004: m_ZF = (SREG_BASE(DS) + REG16(SI) == SREG_BASE(ES) + REG16(DI));
12005: #else
12006: m_ZeroVal = (SREG_BASE(DS) + REG16(SI) != SREG_BASE(ES) + REG16(DI));
12007: #endif
12008: m_CF = (SREG_BASE(DS) + REG16(SI) != SREG_BASE(ES) + REG16(DI));
12009: break;
12010: // case 0x15: // DOS 3.0+ internal - Flush Buffer
1.1.1.21 root 12011: case 0x16:
12012: if(REG16(BX) < 20) {
12013: SREG(ES) = SFT_TOP >> 4;
12014: i386_load_segment_descriptor(ES);
12015: REG16(DI) = 6 + 0x3b * REG16(BX);
12016:
12017: // update system file table
12018: UINT8* sft = mem + SFT_TOP + 6 + 0x3b * REG16(BX);
12019: if(file_handler[REG16(BX)].valid) {
12020: int count = 0;
12021: for(int i = 0; i < 20; i++) {
12022: if(msdos_psp_get_file_table(i, current_psp) == REG16(BX)) {
12023: count++;
12024: }
12025: }
12026: *(UINT16 *)(sft + 0x00) = count ? count : 0xffff;
12027: *(UINT32 *)(sft + 0x15) = _tell(REG16(BX));
12028: _lseek(REG16(BX), 0, SEEK_END);
12029: *(UINT32 *)(sft + 0x11) = _tell(REG16(BX));
12030: _lseek(REG16(BX), *(UINT32 *)(sft + 0x15), SEEK_SET);
12031: } else {
12032: memset(sft, 0, 0x3b);
12033: }
12034: } else {
12035: REG16(AX) = 0x06;
12036: m_CF = 1;
12037: }
12038: break;
1.1.1.29 root 12039: // case 0x17: // DOS 3.0+ internal - Get Current Directory Structure for Drive
12040: // case 0x18: // DOS 3.0+ internal - Get Caller's Registers
12041: // case 0x19: // DOS 3.0+ internal - Set Drive???
12042: case 0x1a:
12043: {
12044: char *path = (char *)(mem + SREG_BASE(DS) + REG16(SI)), full[MAX_PATH];
12045: if(path[1] == ':') {
12046: if(path[0] >= 'a' && path[0] <= 'z') {
12047: REG8(AL) = path[0] - 'a' + 1;
12048: } else if(path[0] >= 'A' && path[0] <= 'Z') {
12049: REG8(AL) = path[0] - 'A' + 1;
12050: } else {
12051: REG8(AL) = 0xff; // invalid
12052: }
12053: strcpy(full, path);
12054: strcpy(path, full + 2);
12055: } else if(GetFullPathName(path, MAX_PATH, full, NULL) != 0 && full[1] == ':') {
12056: if(full[0] >= 'a' && full[0] <= 'z') {
12057: REG8(AL) = full[0] - 'a' + 1;
12058: } else if(full[0] >= 'A' && full[0] <= 'Z') {
12059: REG8(AL) = full[0] - 'A' + 1;
12060: } else {
12061: REG8(AL) = 0xff; // invalid
12062: }
12063: } else {
12064: REG8(AL) = 0x00; // default
12065: }
12066: }
12067: break;
12068: case 0x1b:
12069: {
12070: int year = REG16(CX) + 1980;
12071: REG8(AL) = ((year % 4) == 0 && (year % 100) != 0 && (year % 400) == 0) ? 29 : 28;
12072: }
12073: break;
12074: // case 0x1c: // DOS 3.0+ internal - Check Sum Memory
12075: // case 0x1d: // DOS 3.0+ internal - Sum Memory
12076: case 0x1e:
12077: {
12078: char *path_1st = (char *)(mem + SREG_BASE(DS) + REG16(SI)), full_1st[MAX_PATH];
12079: char *path_2nd = (char *)(mem + SREG_BASE(ES) + REG16(DI)), full_2nd[MAX_PATH];
12080: if(GetFullPathName(path_1st, MAX_PATH, full_1st, NULL) != 0 && GetFullPathName(path_2nd, MAX_PATH, full_2nd, NULL) != 0) {
12081: #if defined(HAS_I386)
12082: m_ZF = (strcmp(full_1st, full_2nd) == 0);
12083: #else
12084: m_ZeroVal = (strcmp(full_1st, full_2nd) != 0);
12085: #endif
12086: } else {
12087: #if defined(HAS_I386)
12088: m_ZF = (strcmp(path_1st, path_2nd) == 0);
12089: #else
12090: m_ZeroVal = (strcmp(path_1st, path_2nd) != 0);
12091: #endif
12092: }
12093: }
12094: break;
12095: // case 0x1f: // DOS 3.0+ internal - Build Current Directory Structure
1.1.1.21 root 12096: case 0x20:
12097: {
12098: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
12099:
12100: if(fd < 20) {
12101: SREG(ES) = current_psp;
12102: i386_load_segment_descriptor(ES);
12103: REG16(DI) = offsetof(psp_t, file_table) + fd;
12104: } else {
12105: REG16(AX) = 0x06;
12106: m_CF = 1;
12107: }
12108: }
12109: break;
1.1.1.29 root 12110: case 0x21:
12111: msdos_int_21h_60h(0);
12112: break;
12113: // case 0x22: // DOS 3.0+ internal - Set Extended Error Info
12114: // case 0x23: // DOS 3.0+ internal - Check If Character Device
12115: // case 0x24: // DOS 3.0+ internal - Sharing Retry Delay
12116: case 0x25:
12117: REG16(CX) = strlen((char *)(mem + SREG_BASE(DS) + REG16(SI)));
12118: break;
12119: case 0x26:
12120: REG8(AL) = REG8(CL);
12121: msdos_int_21h_3dh();
12122: break;
12123: case 0x27:
12124: msdos_int_21h_3eh();
12125: break;
12126: case 0x28:
12127: REG16(AX) = REG16(BP);
12128: msdos_int_21h_42h();
12129: break;
12130: case 0x29:
12131: msdos_int_21h_3fh();
12132: break;
12133: // case 0x2a: // DOS 3.0+ internal - Set Fast Open Entry Point
12134: case 0x2b:
12135: REG16(AX) = REG16(BP);
12136: msdos_int_21h_44h();
12137: break;
12138: case 0x2c:
12139: REG16(BX) = DEVICE_TOP >> 4;
12140: REG16(AX) = 22;
12141: break;
12142: case 0x2d:
12143: {
12144: sda_t *sda = (sda_t *)(mem + SDA_TOP);
12145: REG16(AX) = sda->extended_error_code;
12146: }
12147: break;
12148: case 0x2e:
12149: if(REG8(DL) == 0x00 || REG8(DL) == 0x02 || REG8(DL) == 0x04 || REG8(DL) == 0x06) {
1.1.1.32 root 12150: SREG(ES) = 0x0001;
12151: i386_load_segment_descriptor(ES);
12152: REG16(DI) = 0x00;
12153: } else if(REG8(DL) == 0x08) {
12154: // dummy parameter error message read routine is at fffd:0010
12155: SREG(ES) = 0xfffd;
1.1.1.22 root 12156: i386_load_segment_descriptor(ES);
1.1.1.32 root 12157: REG16(DI) = 0x0010;
1.1.1.22 root 12158: }
12159: break;
1.1.1.29 root 12160: case 0x2f:
12161: if(REG16(DX) != 0) {
1.1.1.30 root 12162: dos_major_version = REG8(DL);
12163: dos_minor_version = REG8(DH);
1.1.1.29 root 12164: } else {
12165: REG8(DL) = 7;
12166: REG8(DH) = 10;
12167: }
12168: break;
12169: // case 0x30: // Windows95 - Find SFT Entry in Internal File Tables
12170: // case 0x31: // Windows95 - Set/Clear "Report Windows to DOS Programs" Flag
1.1.1.22 root 12171: default:
12172: 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));
12173: REG16(AX) = 0x01;
12174: m_CF = 1;
12175: break;
12176: }
12177: }
12178:
1.1.1.30 root 12179: inline void msdos_int_2fh_13h()
12180: {
12181: static UINT16 prevDS = 0, prevDX = 0;
12182: static UINT16 prevES = 0, prevBX = 0;
12183: UINT16 tmp;
12184:
12185: tmp = SREG(DS); SREG(DS) = prevDS; prevDS = tmp;
12186: i386_load_segment_descriptor(DS);
12187: tmp = REG16(DX); REG16(DX) = prevDX; prevDX = tmp;
12188:
12189: tmp = SREG(ES); SREG(ES) = prevES; prevES = tmp;
12190: i386_load_segment_descriptor(ES);
12191: tmp = REG16(BX); REG16(BX) = prevBX; prevBX = tmp;
12192: }
12193:
1.1.1.22 root 12194: inline void msdos_int_2fh_14h()
12195: {
12196: switch(REG8(AL)) {
12197: case 0x00:
1.1.1.29 root 12198: // NLSFUNC.COM is installed
12199: REG8(AL) = 0xff;
1.1.1.25 root 12200: break;
12201: case 0x01:
12202: case 0x03:
12203: REG8(AL) = 0x00;
12204: active_code_page = REG16(BX);
12205: msdos_nls_tables_update();
12206: break;
12207: case 0x02:
12208: REG8(AL) = get_extended_country_info(REG16(BP));
12209: break;
12210: case 0x04:
12211: REG8(AL) = 0x00;
12212: get_country_info((country_info_t *)(mem + SREG_BASE(ES) + REG16(DI)));
1.1.1.22 root 12213: break;
12214: default:
12215: 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));
12216: REG16(AX) = 0x01;
12217: m_CF = 1;
12218: break;
12219: }
12220: }
12221:
12222: inline void msdos_int_2fh_15h()
12223: {
12224: switch(REG8(AL)) {
1.1.1.29 root 12225: case 0x00: // CD-ROM - Installation Check
12226: if(REG16(BX) == 0x0000) {
12227: // MSCDEX is not installed
12228: // REG8(AL) = 0x00;
12229: } else {
12230: // GRAPHICS.COM is not installed
12231: // REG8(AL) = 0x00;
12232: }
1.1.1.22 root 12233: break;
12234: case 0xff:
1.1.1.29 root 12235: if(REG16(BX) == 0x0000) {
12236: // CORELCDX is not installed
12237: } else {
12238: 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));
12239: REG16(AX) = 0x01;
12240: m_CF = 1;
12241: }
1.1.1.22 root 12242: break;
1.1.1.21 root 12243: default:
1.1.1.22 root 12244: 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 12245: REG16(AX) = 0x01;
12246: m_CF = 1;
12247: break;
12248: }
12249: }
12250:
1.1 root 12251: inline void msdos_int_2fh_16h()
12252: {
12253: switch(REG8(AL)) {
12254: case 0x00:
1.1.1.14 root 12255: if(no_windows) {
1.1.1.29 root 12256: // neither Windows 3.x enhanced mode nor Windows/386 2.x running
12257: // REG8(AL) = 0x00;
1.1.1.14 root 12258: } else {
1.1.1.30 root 12259: REG8(AL) = win_major_version;
12260: REG8(AH) = win_minor_version;
1.1 root 12261: }
12262: break;
1.1.1.30 root 12263: case 0x05:
12264: // from DOSBox
12265: i386_set_a20_line(1);
12266: break;
1.1.1.22 root 12267: case 0x0a:
12268: if(!no_windows) {
12269: REG16(AX) = 0x0000;
1.1.1.30 root 12270: REG8(BH) = win_major_version;
12271: REG8(BL) = win_minor_version;
1.1.1.22 root 12272: REG16(CX) = 0x0003; // enhanced
12273: }
12274: break;
1.1.1.30 root 12275: case 0x0b:
12276: // no TRS, keep ES:DI = 0000h:0000h
1.1.1.22 root 12277: case 0x0e:
12278: case 0x0f:
1.1.1.30 root 12279: case 0x10:
1.1.1.22 root 12280: case 0x11:
12281: case 0x12:
12282: case 0x13:
12283: case 0x14:
1.1.1.30 root 12284: case 0x15:
1.1.1.33 root 12285: case 0x86:
1.1.1.22 root 12286: case 0x87:
1.1.1.30 root 12287: case 0x89:
1.1.1.33 root 12288: case 0x8a:
1.1.1.22 root 12289: // function not supported, do not clear AX
12290: break;
1.1.1.14 root 12291: case 0x80:
12292: Sleep(10);
1.1.1.35 root 12293: REQUEST_HARDWRE_UPDATE();
1.1.1.29 root 12294: REG8(AL) = 0x00;
1.1.1.14 root 12295: break;
1.1.1.33 root 12296: case 0x83:
12297: REG16(BX) = 0x01; // system vm id
12298: break;
1.1.1.22 root 12299: case 0x8e:
12300: REG16(AX) = 0x00; // failed
12301: break;
1.1.1.20 root 12302: case 0x8f:
12303: switch(REG8(DH)) {
12304: case 0x00:
12305: case 0x02:
12306: case 0x03:
12307: REG16(AX) = 0x00;
12308: break;
12309: case 0x01:
12310: REG16(AX) = 0x168f;
12311: break;
12312: }
12313: break;
1.1 root 12314: default:
1.1.1.22 root 12315: 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));
12316: REG16(AX) = 0x01;
12317: m_CF = 1;
12318: break;
12319: }
12320: }
12321:
12322: inline void msdos_int_2fh_19h()
12323: {
12324: switch(REG8(AL)) {
12325: case 0x00:
1.1.1.29 root 12326: // SHELLB.COM is not installed
12327: // REG8(AL) = 0x00;
1.1.1.22 root 12328: break;
12329: case 0x01:
12330: case 0x02:
12331: case 0x03:
12332: case 0x04:
12333: REG16(AX) = 0x01;
12334: m_CF = 1;
12335: break;
1.1.1.29 root 12336: case 0x80:
12337: // IBM ROM-DOS v4.0 is not installed
12338: // REG8(AL) = 0x00;
12339: break;
1.1.1.22 root 12340: default:
12341: 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 12342: REG16(AX) = 0x01;
1.1.1.3 root 12343: m_CF = 1;
1.1 root 12344: break;
12345: }
12346: }
12347:
12348: inline void msdos_int_2fh_1ah()
12349: {
12350: switch(REG8(AL)) {
12351: case 0x00:
1.1.1.29 root 12352: // ANSI.SYS is installed
1.1 root 12353: REG8(AL) = 0xff;
12354: break;
12355: default:
1.1.1.22 root 12356: 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));
12357: REG16(AX) = 0x01;
12358: m_CF = 1;
12359: break;
12360: }
12361: }
12362:
1.1.1.30 root 12363: inline void msdos_int_2fh_40h()
1.1.1.22 root 12364: {
12365: switch(REG8(AL)) {
12366: case 0x00:
1.1.1.30 root 12367: // Windows 3+ - Get Virtual Device Driver (VDD) Capabilities
12368: REG8(AL) = 0x01; // does not virtualize video access
1.1.1.22 root 12369: break;
12370: default:
12371: 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 12372: REG16(AX) = 0x01;
1.1.1.3 root 12373: m_CF = 1;
1.1 root 12374: break;
12375: }
12376: }
12377:
12378: inline void msdos_int_2fh_43h()
12379: {
12380: switch(REG8(AL)) {
12381: case 0x00:
1.1.1.29 root 12382: // XMS is installed ?
1.1.1.19 root 12383: #ifdef SUPPORT_XMS
12384: if(support_xms) {
12385: REG8(AL) = 0x80;
12386: } else
12387: #endif
12388: REG8(AL) = 0x00;
12389: break;
12390: case 0x10:
12391: SREG(ES) = XMS_TOP >> 4;
12392: i386_load_segment_descriptor(ES);
1.1.1.26 root 12393: REG16(BX) = 0x15;
1.1 root 12394: break;
12395: default:
1.1.1.22 root 12396: 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));
12397: REG16(AX) = 0x01;
12398: m_CF = 1;
12399: break;
12400: }
12401: }
12402:
12403: inline void msdos_int_2fh_46h()
12404: {
12405: switch(REG8(AL)) {
12406: case 0x80:
1.1.1.29 root 12407: // Windows v3.0 is not installed
12408: // REG8(AL) = 0x00;
1.1.1.22 root 12409: break;
12410: default:
12411: 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));
12412: REG16(AX) = 0x01;
12413: m_CF = 1;
12414: break;
12415: }
12416: }
12417:
12418: inline void msdos_int_2fh_48h()
12419: {
12420: switch(REG8(AL)) {
12421: case 0x00:
1.1.1.29 root 12422: // DOSKEY is not installed
12423: // REG8(AL) = 0x00;
1.1.1.22 root 12424: break;
12425: case 0x10:
12426: msdos_int_21h_0ah();
12427: REG16(AX) = 0x00;
12428: break;
12429: default:
12430: 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 12431: REG16(AX) = 0x01;
1.1.1.3 root 12432: m_CF = 1;
1.1 root 12433: break;
12434: }
12435: }
12436:
12437: inline void msdos_int_2fh_4ah()
12438: {
12439: switch(REG8(AL)) {
1.1.1.29 root 12440: #ifdef SUPPORT_HMA
12441: case 0x01: // DOS 5.0+ - Query Free HMA Space
12442: if(!is_hma_used_by_xms && !is_hma_used_by_int_2fh) {
12443: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
12444: // restore first free mcb in high memory area
12445: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
12446: }
12447: int offset = 0xffff;
12448: if((REG16(BX) = msdos_hma_mem_get_free(&offset)) != 0) {
12449: REG16(DI) = offset + 0x10;
12450: } else {
12451: REG16(DI) = 0xffff;
12452: }
12453: } else {
12454: // HMA is already used
12455: REG16(BX) = 0;
12456: REG16(DI) = 0xffff;
12457: }
12458: SREG(ES) = 0xffff;
12459: i386_load_segment_descriptor(ES);
12460: break;
12461: case 0x02: // DOS 5.0+ - Allocate HMA Space
12462: if(!is_hma_used_by_xms && !is_hma_used_by_int_2fh) {
12463: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
12464: // restore first free mcb in high memory area
12465: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
12466: }
12467: int size = REG16(BX), offset;
12468: if((size % 16) != 0) {
12469: size &= ~15;
12470: size += 16;
12471: }
12472: if((offset = msdos_hma_mem_alloc(size, current_psp)) != -1) {
12473: REG16(BX) = size;
12474: REG16(DI) = offset + 0x10;
12475: is_hma_used_by_int_2fh = true;
12476: } else {
12477: REG16(BX) = 0;
12478: REG16(DI) = 0xffff;
12479: }
12480: } else {
12481: // HMA is already used
12482: REG16(BX) = 0;
12483: REG16(DI) = 0xffff;
12484: }
12485: SREG(ES) = 0xffff;
12486: i386_load_segment_descriptor(ES);
12487: break;
12488: case 0x03: // Windows95 - (De)Allocate HMA Memory Block
12489: if(REG8(DL) == 0x00) {
12490: if(!is_hma_used_by_xms) {
12491: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
12492: // restore first free mcb in high memory area
12493: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
12494: is_hma_used_by_int_2fh = false;
12495: }
12496: int size = REG16(BX), offset;
12497: if((size % 16) != 0) {
12498: size &= ~15;
12499: size += 16;
12500: }
12501: if((offset = msdos_hma_mem_alloc(size, REG16(CX))) != -1) {
12502: // REG16(BX) = size;
12503: SREG(ES) = 0xffff;
12504: i386_load_segment_descriptor(ES);
12505: REG16(DI) = offset + 0x10;
12506: is_hma_used_by_int_2fh = true;
12507: } else {
12508: REG16(DI) = 0xffff;
12509: }
12510: } else {
12511: REG16(DI) = 0xffff;
12512: }
12513: } else if(REG8(DL) == 0x01) {
12514: if(!is_hma_used_by_xms) {
12515: int size = REG16(BX);
12516: if((size % 16) != 0) {
12517: size &= ~15;
12518: size += 16;
12519: }
12520: if(msdos_hma_mem_realloc(SREG_BASE(ES) + REG16(DI) - 0xffff0 - 0x10, size) != -1) {
12521: // memory block address is not changed
12522: } else {
12523: REG16(DI) = 0xffff;
12524: }
12525: } else {
12526: REG16(DI) = 0xffff;
12527: }
12528: } else if(REG8(DL) == 0x02) {
12529: if(!is_hma_used_by_xms) {
12530: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
12531: // restore first free mcb in high memory area
12532: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
12533: is_hma_used_by_int_2fh = false;
12534: } else {
12535: msdos_hma_mem_free(SREG_BASE(ES) + REG16(DI) - 0xffff0 - 0x10);
12536: if(msdos_hma_mem_get_free(NULL) == 0xffe0) {
12537: is_hma_used_by_int_2fh = false;
12538: }
12539: }
12540: }
12541: } else {
12542: 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));
12543: REG16(AX) = 0x01;
12544: m_CF = 1;
12545: }
12546: break;
12547: case 0x04: // Windows95 - Get Start of HMA Memory Chain
12548: if(!is_hma_used_by_xms) {
12549: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
12550: // restore first free mcb in high memory area
12551: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
12552: is_hma_used_by_int_2fh = false;
12553: }
12554: REG16(AX) = 0x0000;
12555: SREG(ES) = 0xffff;
12556: i386_load_segment_descriptor(ES);
12557: REG16(DI) = 0x10;
12558: }
12559: break;
12560: #else
1.1 root 12561: case 0x01:
12562: case 0x02:
1.1.1.29 root 12563: // HMA is already used
1.1.1.27 root 12564: REG16(BX) = 0x0000;
1.1.1.3 root 12565: SREG(ES) = 0xffff;
12566: i386_load_segment_descriptor(ES);
1.1 root 12567: REG16(DI) = 0xffff;
12568: break;
1.1.1.19 root 12569: case 0x03:
12570: // unable to allocate
12571: REG16(DI) = 0xffff;
12572: break;
12573: case 0x04:
12574: // function not supported, do not clear AX
12575: break;
1.1.1.29 root 12576: #endif
12577: case 0x10:
12578: if(REG16(BX) == 0x0000) {
12579: // SMARTDRV is not installed
12580: } else {
12581: 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));
12582: REG16(AX) = 0x01;
12583: m_CF = 1;
12584: }
12585: break;
12586: case 0x11:
12587: if(REG16(BX) == 0x0000) {
12588: // DBLSPACE.BIN is not installed
12589: } else {
12590: 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));
12591: REG16(AX) = 0x01;
12592: m_CF = 1;
12593: }
1.1.1.22 root 12594: break;
12595: default:
12596: 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));
12597: REG16(AX) = 0x01;
12598: m_CF = 1;
12599: break;
12600: }
12601: }
12602:
12603: inline void msdos_int_2fh_4bh()
12604: {
12605: switch(REG8(AL)) {
1.1.1.24 root 12606: case 0x01:
1.1.1.22 root 12607: case 0x02:
1.1.1.29 root 12608: // Task Switcher is not installed
1.1.1.24 root 12609: break;
12610: case 0x03:
12611: // this call is available from within DOSSHELL even if the task switcher is not installed
12612: REG16(AX) = REG16(BX) = 0x0000; // no more avaiable switcher id
1.1.1.22 root 12613: break;
1.1.1.30 root 12614: case 0x04:
12615: REG16(BX) = 0x0000; // free switcher id successfully
12616: break;
1.1 root 12617: default:
1.1.1.22 root 12618: 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 12619: REG16(AX) = 0x01;
1.1.1.3 root 12620: m_CF = 1;
1.1 root 12621: break;
12622: }
12623: }
12624:
12625: inline void msdos_int_2fh_4fh()
12626: {
12627: switch(REG8(AL)) {
12628: case 0x00:
1.1.1.29 root 12629: // BILING is installed
1.1.1.27 root 12630: REG16(AX) = 0x0000;
12631: REG8(DL) = 0x01; // major version
12632: REG8(DH) = 0x00; // minor version
1.1 root 12633: break;
12634: case 0x01:
1.1.1.27 root 12635: REG16(AX) = 0x0000;
1.1 root 12636: REG16(BX) = active_code_page;
12637: break;
12638: default:
1.1.1.22 root 12639: 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));
12640: REG16(AX) = 0x01;
12641: m_CF = 1;
12642: break;
12643: }
12644: }
12645:
12646: inline void msdos_int_2fh_55h()
12647: {
12648: switch(REG8(AL)) {
12649: case 0x00:
12650: case 0x01:
12651: // 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));
12652: break;
12653: default:
12654: 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 12655: REG16(AX) = 0x01;
1.1.1.3 root 12656: m_CF = 1;
1.1 root 12657: break;
12658: }
12659: }
12660:
1.1.1.24 root 12661: inline void msdos_int_2fh_adh()
12662: {
12663: switch(REG8(AL)) {
12664: case 0x00:
1.1.1.29 root 12665: // DISPLAY.SYS is installed
1.1.1.24 root 12666: REG8(AL) = 0xff;
12667: REG16(BX) = 0x100; // ???
12668: break;
12669: case 0x01:
12670: active_code_page = REG16(BX);
12671: msdos_nls_tables_update();
12672: REG16(AX) = 0x01;
12673: break;
12674: case 0x02:
12675: REG16(BX) = active_code_page;
12676: break;
12677: case 0x03:
12678: // FIXME
12679: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 1;
12680: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2) = 3;
12681: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4) = 1;
12682: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 6) = active_code_page;
12683: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 8) = active_code_page;
12684: break;
12685: case 0x80:
12686: break; // keyb.com is not installed
12687: default:
12688: 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));
12689: REG16(AX) = 0x01;
12690: m_CF = 1;
12691: break;
12692: }
12693: }
12694:
1.1 root 12695: inline void msdos_int_2fh_aeh()
12696: {
12697: switch(REG8(AL)) {
12698: case 0x00:
1.1.1.28 root 12699: // FIXME: we need to check the given command line
12700: REG8(AL) = 0x00; // the command should be executed as usual
12701: // REG8(AL) = 0xff; // this command is a TSR extension to COMMAND.COM
1.1 root 12702: break;
12703: case 0x01:
12704: {
12705: char command[MAX_PATH];
12706: memset(command, 0, sizeof(command));
1.1.1.3 root 12707: memcpy(command, mem + SREG_BASE(DS) + REG16(SI) + 1, mem[SREG_BASE(DS) + REG16(SI)]);
1.1 root 12708:
12709: param_block_t *param = (param_block_t *)(mem + WORK_TOP);
12710: param->env_seg = 0;
12711: param->cmd_line.w.l = 44;
12712: param->cmd_line.w.h = (WORK_TOP >> 4);
12713: param->fcb1.w.l = 24;
12714: param->fcb1.w.h = (WORK_TOP >> 4);
12715: param->fcb2.w.l = 24;
12716: param->fcb2.w.h = (WORK_TOP >> 4);
12717:
12718: memset(mem + WORK_TOP + 24, 0x20, 20);
12719:
12720: cmd_line_t *cmd_line = (cmd_line_t *)(mem + WORK_TOP + 44);
1.1.1.3 root 12721: cmd_line->len = mem[SREG_BASE(DS) + REG16(BX) + 1];
12722: memcpy(cmd_line->cmd, mem + SREG_BASE(DS) + REG16(BX) + 2, cmd_line->len);
1.1 root 12723: cmd_line->cmd[cmd_line->len] = 0x0d;
12724:
1.1.1.28 root 12725: try {
12726: msdos_process_exec(command, param, 0);
12727: } catch(...) {
12728: fatalerror("failed to start '%s' by int 2Fh, AX=AE01h\n", command);
1.1 root 12729: }
12730: }
12731: break;
12732: default:
1.1.1.22 root 12733: 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 12734: REG16(AX) = 0x01;
1.1.1.3 root 12735: m_CF = 1;
1.1 root 12736: break;
12737: }
12738: }
12739:
1.1.1.34 root 12740: inline void msdos_int_2fh_b7h()
12741: {
12742: switch(REG8(AL)) {
12743: case 0x00:
12744: // APPEND is not installed
12745: // REG8(AL) = 0x00;
12746: break;
12747: case 0x07:
12748: // COMMAND.COM calls this service without checking APPEND is installed
12749: break;
12750: default:
12751: 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));
12752: REG16(AX) = 0x01;
12753: m_CF = 1;
12754: break;
12755: }
12756: }
12757:
1.1.1.24 root 12758: inline void msdos_int_33h_0000h()
12759: {
12760: REG16(AX) = 0xffff; // hardware/driver installed
12761: REG16(BX) = MAX_MOUSE_BUTTONS;
12762: }
12763:
12764: inline void msdos_int_33h_0001h()
12765: {
1.1.1.34 root 12766: if(mouse.hidden > 0) {
12767: mouse.hidden--;
12768: }
12769: if(mouse.hidden == 0) {
1.1.1.24 root 12770: if(!(dwConsoleMode & ENABLE_MOUSE_INPUT)) {
12771: SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), dwConsoleMode | ENABLE_MOUSE_INPUT);
12772: }
12773: pic[1].imr &= ~0x10; // enable irq12
12774: }
12775: }
12776:
12777: inline void msdos_int_33h_0002h()
12778: {
1.1.1.34 root 12779: mouse.hidden++;
12780: // SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), dwConsoleMode & ~ENABLE_MOUSE_INPUT);
12781: pic[1].imr |= 0x10; // enable irq12
1.1.1.24 root 12782: }
12783:
12784: inline void msdos_int_33h_0003h()
12785: {
1.1.1.34 root 12786: // if(mouse.hidden > 0) {
12787: update_console_input();
12788: // }
1.1.1.24 root 12789: REG16(BX) = mouse.get_buttons();
1.1.1.34 root 12790: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.position.x));
12791: REG16(DX) = max(mouse.min_position.y & ~7, min(mouse.max_position.y & ~7, mouse.position.y));
12792: }
12793:
12794: inline void msdos_int_33h_0004h()
12795: {
12796: mouse.position.x = REG16(CX);
12797: mouse.position.x = REG16(DX);
1.1.1.24 root 12798: }
12799:
12800: inline void msdos_int_33h_0005h()
12801: {
1.1.1.34 root 12802: // if(mouse.hidden > 0) {
12803: update_console_input();
12804: // }
1.1.1.24 root 12805: if(REG16(BX) < MAX_MOUSE_BUTTONS) {
12806: int idx = REG16(BX);
1.1.1.34 root 12807: REG16(BX) = min(mouse.buttons[idx].pressed_times, 0x7fff);
12808: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.buttons[idx].pressed_position.x));
12809: 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 12810: mouse.buttons[idx].pressed_times = 0;
12811: } else {
12812: REG16(BX) = REG16(CX) = REG16(DX) = 0x0000;
12813: }
12814: REG16(AX) = mouse.get_buttons();
12815: }
12816:
12817: inline void msdos_int_33h_0006h()
12818: {
1.1.1.34 root 12819: // if(mouse.hidden > 0) {
12820: update_console_input();
12821: // }
1.1.1.24 root 12822: if(REG16(BX) < MAX_MOUSE_BUTTONS) {
12823: int idx = REG16(BX);
1.1.1.34 root 12824: REG16(BX) = min(mouse.buttons[idx].released_times, 0x7fff);
12825: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.buttons[idx].released_position.x));
12826: 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 12827: mouse.buttons[idx].released_times = 0;
12828: } else {
12829: REG16(BX) = REG16(CX) = REG16(DX) = 0x0000;
12830: }
12831: REG16(AX) = mouse.get_buttons();
12832: }
12833:
12834: inline void msdos_int_33h_0007h()
12835: {
12836: mouse.min_position.x = min(REG16(CX), REG16(DX));
12837: mouse.max_position.x = max(REG16(CX), REG16(DX));
12838: }
12839:
12840: inline void msdos_int_33h_0008h()
12841: {
12842: mouse.min_position.y = min(REG16(CX), REG16(DX));
12843: mouse.max_position.y = max(REG16(CX), REG16(DX));
12844: }
12845:
12846: inline void msdos_int_33h_0009h()
12847: {
12848: mouse.hot_spot[0] = REG16(BX);
12849: mouse.hot_spot[1] = REG16(CX);
12850: }
12851:
12852: inline void msdos_int_33h_000bh()
12853: {
1.1.1.34 root 12854: // if(mouse.hidden > 0) {
12855: update_console_input();
12856: // }
1.1.1.24 root 12857: int dx = (mouse.position.x - mouse.prev_position.x) * mouse.mickey.x / 8;
12858: int dy = (mouse.position.y - mouse.prev_position.y) * mouse.mickey.y / 8;
12859: mouse.prev_position.x = mouse.position.x;
12860: mouse.prev_position.y = mouse.position.y;
12861: REG16(CX) = dx;
12862: REG16(DX) = dy;
12863: }
12864:
12865: inline void msdos_int_33h_000ch()
12866: {
12867: mouse.call_mask = REG16(CX);
12868: mouse.call_addr.w.l = REG16(DX);
12869: mouse.call_addr.w.h = SREG(ES);
12870: }
12871:
12872: inline void msdos_int_33h_000fh()
12873: {
12874: mouse.mickey.x = REG16(CX);
12875: mouse.mickey.y = REG16(DX);
12876: }
12877:
12878: inline void msdos_int_33h_0011h()
12879: {
12880: REG16(AX) = 0xffff;
12881: REG16(BX) = MAX_MOUSE_BUTTONS;
12882: }
12883:
12884: inline void msdos_int_33h_0014h()
12885: {
12886: UINT16 old_mask = mouse.call_mask;
12887: UINT16 old_ofs = mouse.call_addr.w.l;
12888: UINT16 old_seg = mouse.call_addr.w.h;
12889:
12890: mouse.call_mask = REG16(CX);
12891: mouse.call_addr.w.l = REG16(DX);
12892: mouse.call_addr.w.h = SREG(ES);
12893:
12894: REG16(CX) = old_mask;
12895: REG16(DX) = old_ofs;
12896: SREG(ES) = old_seg;
12897: i386_load_segment_descriptor(ES);
12898: }
12899:
12900: inline void msdos_int_33h_0015h()
12901: {
12902: REG16(BX) = sizeof(mouse);
12903: }
12904:
12905: inline void msdos_int_33h_0016h()
12906: {
12907: memcpy(mem + SREG_BASE(ES) + REG16(DX), &mouse, sizeof(mouse));
12908: }
12909:
12910: inline void msdos_int_33h_0017h()
12911: {
12912: memcpy(&mouse, mem + SREG_BASE(ES) + REG16(DX), sizeof(mouse));
12913: }
12914:
12915: inline void msdos_int_33h_001ah()
12916: {
12917: mouse.sensitivity[0] = REG16(BX);
12918: mouse.sensitivity[1] = REG16(CX);
12919: mouse.sensitivity[2] = REG16(DX);
12920: }
12921:
12922: inline void msdos_int_33h_001bh()
12923: {
12924: REG16(BX) = mouse.sensitivity[0];
12925: REG16(CX) = mouse.sensitivity[1];
12926: REG16(DX) = mouse.sensitivity[2];
12927: }
12928:
12929: inline void msdos_int_33h_001dh()
12930: {
12931: mouse.display_page = REG16(BX);
12932: }
12933:
12934: inline void msdos_int_33h_001eh()
12935: {
12936: REG16(BX) = mouse.display_page;
12937: }
12938:
1.1.1.34 root 12939: inline void msdos_int_33h_001fh()
12940: {
12941: // from DOSBox
12942: REG16(BX) = 0x0000;
12943: SREG(ES) = 0x0000;
12944: i386_load_segment_descriptor(ES);
12945: mouse.enabled = false;
12946: mouse.old_hidden = mouse.hidden;
12947: mouse.hidden = 1;
12948: }
12949:
12950: inline void msdos_int_33h_0020h()
12951: {
12952: // from DOSBox
12953: mouse.enabled = true;
12954: mouse.hidden = mouse.old_hidden;
12955: }
12956:
1.1.1.24 root 12957: inline void msdos_int_33h_0021h()
12958: {
12959: REG16(AX) = 0xffff;
12960: REG16(BX) = MAX_MOUSE_BUTTONS;
12961: }
12962:
12963: inline void msdos_int_33h_0022h()
12964: {
12965: mouse.language = REG16(BX);
12966: }
12967:
12968: inline void msdos_int_33h_0023h()
12969: {
12970: REG16(BX) = mouse.language;
12971: }
12972:
12973: inline void msdos_int_33h_0024h()
12974: {
12975: REG16(BX) = 0x0805; // V8.05
12976: REG16(CX) = 0x0400; // PS/2
12977: }
12978:
12979: inline void msdos_int_33h_0026h()
12980: {
12981: REG16(BX) = 0x0000;
12982: REG16(CX) = mouse.max_position.x;
12983: REG16(DX) = mouse.max_position.y;
12984: }
12985:
12986: inline void msdos_int_33h_002ah()
12987: {
1.1.1.34 root 12988: REG16(AX) = -mouse.hidden;
1.1.1.24 root 12989: REG16(BX) = mouse.hot_spot[0];
12990: REG16(CX) = mouse.hot_spot[1];
12991: REG16(DX) = 4; // PS/2
12992: }
12993:
12994: inline void msdos_int_33h_0031h()
12995: {
12996: REG16(AX) = mouse.min_position.x;
12997: REG16(BX) = mouse.min_position.y;
12998: REG16(CX) = mouse.max_position.x;
12999: REG16(DX) = mouse.max_position.y;
13000: }
13001:
13002: inline void msdos_int_33h_0032h()
13003: {
13004: REG16(AX) = 0;
13005: // REG16(AX) |= 0x8000; // 0025h
13006: REG16(AX) |= 0x4000; // 0026h
13007: // REG16(AX) |= 0x2000; // 0027h
13008: // REG16(AX) |= 0x1000; // 0028h
13009: // REG16(AX) |= 0x0800; // 0029h
13010: REG16(AX) |= 0x0400; // 002ah
13011: // REG16(AX) |= 0x0200; // 002bh
13012: // REG16(AX) |= 0x0100; // 002ch
13013: // REG16(AX) |= 0x0080; // 002dh
13014: // REG16(AX) |= 0x0040; // 002eh
13015: REG16(AX) |= 0x0020; // 002fh
13016: // REG16(AX) |= 0x0010; // 0030h
13017: REG16(AX) |= 0x0008; // 0031h
13018: REG16(AX) |= 0x0004; // 0032h
13019: // REG16(AX) |= 0x0002; // 0033h
13020: // REG16(AX) |= 0x0001; // 0034h
13021: }
13022:
1.1.1.19 root 13023: inline void msdos_int_67h_40h()
13024: {
13025: if(!support_ems) {
13026: REG8(AH) = 0x84;
13027: } else {
13028: REG8(AH) = 0x00;
13029: }
13030: }
13031:
13032: inline void msdos_int_67h_41h()
13033: {
13034: if(!support_ems) {
13035: REG8(AH) = 0x84;
13036: } else {
13037: REG8(AH) = 0x00;
13038: REG16(BX) = EMS_TOP >> 4;
13039: }
13040: }
13041:
13042: inline void msdos_int_67h_42h()
13043: {
13044: if(!support_ems) {
13045: REG8(AH) = 0x84;
13046: } else {
13047: REG8(AH) = 0x00;
13048: REG16(BX) = free_ems_pages;
13049: REG16(DX) = MAX_EMS_PAGES;
13050: }
13051: }
13052:
13053: inline void msdos_int_67h_43h()
13054: {
13055: if(!support_ems) {
13056: REG8(AH) = 0x84;
13057: } else if(REG16(BX) > MAX_EMS_PAGES) {
13058: REG8(AH) = 0x87;
13059: } else if(REG16(BX) > free_ems_pages) {
13060: REG8(AH) = 0x88;
13061: } else if(REG16(BX) == 0) {
13062: REG8(AH) = 0x89;
13063: } else {
1.1.1.31 root 13064: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 13065: if(!ems_handles[i].allocated) {
13066: ems_allocate_pages(i, REG16(BX));
13067: REG8(AH) = 0x00;
13068: REG16(DX) = i;
13069: return;
13070: }
13071: }
13072: REG8(AH) = 0x85;
13073: }
13074: }
13075:
13076: inline void msdos_int_67h_44h()
13077: {
13078: if(!support_ems) {
13079: REG8(AH) = 0x84;
1.1.1.31 root 13080: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 13081: REG8(AH) = 0x83;
13082: } else if(!(REG16(BX) == 0xffff || REG16(BX) < ems_handles[REG16(DX)].pages)) {
13083: REG8(AH) = 0x8a;
13084: // } else if(!(REG8(AL) < 4)) {
13085: // REG8(AH) = 0x8b;
13086: } else if(REG16(BX) == 0xffff) {
13087: ems_unmap_page(REG8(AL) & 3);
13088: REG8(AH) = 0x00;
13089: } else {
13090: ems_map_page(REG8(AL) & 3, REG16(DX), REG16(BX));
13091: REG8(AH) = 0x00;
13092: }
13093: }
13094:
13095: inline void msdos_int_67h_45h()
13096: {
13097: if(!support_ems) {
13098: REG8(AH) = 0x84;
1.1.1.31 root 13099: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 13100: REG8(AH) = 0x83;
13101: } else {
13102: ems_release_pages(REG16(DX));
13103: REG8(AH) = 0x00;
13104: }
13105: }
13106:
13107: inline void msdos_int_67h_46h()
13108: {
13109: if(!support_ems) {
13110: REG8(AH) = 0x84;
13111: } else {
1.1.1.29 root 13112: // REG16(AX) = 0x0032; // EMS 3.2
13113: REG16(AX) = 0x0040; // EMS 4.0
1.1.1.19 root 13114: }
13115: }
13116:
13117: inline void msdos_int_67h_47h()
13118: {
13119: // NOTE: the map data should be stored in the specified ems page, not process data
13120: process_t *process = msdos_process_info_get(current_psp);
13121:
13122: if(!support_ems) {
13123: REG8(AH) = 0x84;
1.1.1.31 root 13124: // } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 13125: // REG8(AH) = 0x83;
13126: } else if(process->ems_pages_stored) {
13127: REG8(AH) = 0x8d;
13128: } else {
13129: for(int i = 0; i < 4; i++) {
13130: process->ems_pages[i].handle = ems_pages[i].handle;
13131: process->ems_pages[i].page = ems_pages[i].page;
13132: process->ems_pages[i].mapped = ems_pages[i].mapped;
13133: }
13134: process->ems_pages_stored = true;
13135: REG8(AH) = 0x00;
13136: }
13137: }
13138:
13139: inline void msdos_int_67h_48h()
13140: {
13141: // NOTE: the map data should be restored from the specified ems page, not process data
13142: process_t *process = msdos_process_info_get(current_psp);
13143:
13144: if(!support_ems) {
13145: REG8(AH) = 0x84;
1.1.1.31 root 13146: // } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 13147: // REG8(AH) = 0x83;
13148: } else if(!process->ems_pages_stored) {
13149: REG8(AH) = 0x8e;
13150: } else {
13151: for(int i = 0; i < 4; i++) {
13152: if(process->ems_pages[i].mapped) {
13153: ems_map_page(i, process->ems_pages[i].handle, process->ems_pages[i].page);
13154: } else {
13155: ems_unmap_page(i);
13156: }
13157: }
13158: process->ems_pages_stored = false;
13159: REG8(AH) = 0x00;
13160: }
13161: }
13162:
13163: inline void msdos_int_67h_4bh()
13164: {
13165: if(!support_ems) {
13166: REG8(AH) = 0x84;
13167: } else {
13168: REG8(AH) = 0x00;
13169: REG16(BX) = 0;
1.1.1.31 root 13170: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 13171: if(ems_handles[i].allocated) {
13172: REG16(BX)++;
13173: }
13174: }
13175: }
13176: }
13177:
13178: inline void msdos_int_67h_4ch()
13179: {
13180: if(!support_ems) {
13181: REG8(AH) = 0x84;
1.1.1.31 root 13182: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 13183: REG8(AH) = 0x83;
13184: } else {
13185: REG8(AH) = 0x00;
13186: REG16(BX) = ems_handles[REG16(DX)].pages;
13187: }
13188: }
13189:
13190: inline void msdos_int_67h_4dh()
13191: {
13192: if(!support_ems) {
13193: REG8(AH) = 0x84;
13194: } else {
13195: REG8(AH) = 0x00;
13196: REG16(BX) = 0;
1.1.1.31 root 13197: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 13198: if(ems_handles[i].allocated) {
13199: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * REG16(BX) + 0) = i;
13200: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * REG16(BX) + 2) = ems_handles[i].pages;
13201: REG16(BX)++;
13202: }
13203: }
13204: }
13205: }
13206:
1.1.1.20 root 13207: inline void msdos_int_67h_4eh()
13208: {
13209: if(!support_ems) {
13210: REG8(AH) = 0x84;
13211: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01 || REG8(AL) == 0x02) {
13212: if(REG8(AL) == 0x00 || REG8(AL) == 0x02) {
13213: // save page map
13214: for(int i = 0; i < 4; i++) {
13215: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 0) = ems_pages[i].mapped ? ems_pages[i].handle : 0xffff;
13216: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 2) = ems_pages[i].mapped ? ems_pages[i].page : 0xffff;
13217: }
13218: }
13219: if(REG8(AL) == 0x01 || REG8(AL) == 0x02) {
13220: // restore page map
13221: for(int i = 0; i < 4; i++) {
13222: UINT16 handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 0);
13223: UINT16 page = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 2);
13224:
1.1.1.31 root 13225: if(handle >= 1 && handle <= MAX_EMS_HANDLES && ems_handles[handle].allocated && page < ems_handles[handle].pages) {
1.1.1.20 root 13226: ems_map_page(i, handle, page);
13227: } else {
13228: ems_unmap_page(i);
13229: }
13230: }
13231: }
13232: REG8(AH) = 0x00;
13233: } else if(REG8(AL) == 0x03) {
13234: REG8(AH) = 0x00;
1.1.1.21 root 13235: REG8(AL) = 4 * 4;
13236: } else {
1.1.1.22 root 13237: 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 13238: REG8(AH) = 0x8f;
13239: }
13240: }
13241:
13242: inline void msdos_int_67h_4fh()
13243: {
13244: if(!support_ems) {
13245: REG8(AH) = 0x84;
13246: } else if(REG8(AL) == 0x00) {
13247: int count = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI));
13248:
13249: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI)) = count;
13250: for(int i = 0; i < count; i++) {
13251: UINT16 segment = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 2 * i);
13252: UINT16 physical = ((segment << 4) - EMS_TOP) / 0x4000;
13253:
13254: // if(!(physical < 4)) {
13255: // REG8(AH) = 0x8b;
13256: // return;
13257: // }
13258: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2 + 6 * i + 0) = segment;
13259: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2 + 6 * i + 2) = ems_pages[physical & 3].handle;
13260: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2 + 6 * i + 4) = ems_pages[physical & 3].mapped ? ems_pages[physical & 3].page : 0xffff;
13261: }
13262: REG8(AH) = 0x00;
13263: } else if(REG8(AL) == 0x01) {
13264: int count = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI));
13265:
13266: for(int i = 0; i < count; i++) {
13267: UINT16 segment = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 6 * i + 0);
13268: UINT16 physical = ((segment << 4) - EMS_TOP) / 0x4000;
13269: UINT16 handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 6 * i + 2);
13270: UINT16 logical = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 6 * i + 4);
13271:
13272: // if(!(physical < 4)) {
13273: // REG8(AH) = 0x8b;
13274: // return;
13275: // } else
1.1.1.31 root 13276: if(!(handle >= 1 && handle <= MAX_EMS_HANDLES && ems_handles[handle].allocated)) {
1.1.1.21 root 13277: REG8(AH) = 0x83;
13278: return;
13279: } else if(logical == 0xffff) {
13280: ems_unmap_page(physical & 3);
13281: } else if(logical < ems_handles[handle].pages) {
13282: ems_map_page(physical & 3, handle, logical);
13283: } else {
13284: REG8(AH) = 0x8a;
13285: return;
13286: }
13287: }
13288: REG8(AH) = 0x00;
13289: } else if(REG8(AL) == 0x02) {
13290: REG8(AH) = 0x00;
13291: REG8(AL) = 2 + REG16(BX) * 6;
1.1.1.20 root 13292: } else {
1.1.1.22 root 13293: 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 13294: REG8(AH) = 0x8f;
13295: }
13296: }
13297:
13298: inline void msdos_int_67h_50h()
13299: {
13300: if(!support_ems) {
13301: REG8(AH) = 0x84;
1.1.1.31 root 13302: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.20 root 13303: REG8(AH) = 0x83;
13304: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
13305: for(int i = 0; i < REG16(CX); i++) {
13306: int logical = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 0);
13307: int physical = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 2);
13308:
13309: if(REG8(AL) == 0x01) {
13310: physical = ((physical << 4) - EMS_TOP) / 0x4000;
13311: }
13312: // if(!(physical < 4)) {
13313: // REG8(AH) = 0x8b;
13314: // return;
13315: // } else
13316: if(logical == 0xffff) {
13317: ems_unmap_page(physical & 3);
13318: } else if(logical < ems_handles[REG16(DX)].pages) {
13319: ems_map_page(physical & 3, REG16(DX), logical);
13320: } else {
13321: REG8(AH) = 0x8a;
13322: return;
13323: }
13324: }
13325: REG8(AH) = 0x00;
13326: } else {
1.1.1.22 root 13327: 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 13328: REG8(AH) = 0x8f;
13329: }
13330: }
13331:
1.1.1.19 root 13332: inline void msdos_int_67h_51h()
13333: {
13334: if(!support_ems) {
13335: REG8(AH) = 0x84;
1.1.1.31 root 13336: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 13337: REG8(AH) = 0x83;
13338: } else if(REG16(BX) > MAX_EMS_PAGES) {
13339: REG8(AH) = 0x87;
13340: } else if(REG16(BX) > free_ems_pages + ems_handles[REG16(DX)].pages) {
13341: REG8(AH) = 0x88;
13342: } else {
13343: ems_reallocate_pages(REG16(DX), REG16(BX));
13344: REG8(AH) = 0x00;
13345: }
13346: }
13347:
1.1.1.20 root 13348: inline void msdos_int_67h_52h()
13349: {
13350: if(!support_ems) {
13351: REG8(AH) = 0x84;
1.1.1.31 root 13352: // } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
13353: // REG8(AH) = 0x83;
1.1.1.20 root 13354: } else if(REG8(AL) == 0x00) {
13355: REG8(AL) = 0x00; // handle is volatile
13356: REG8(AH) = 0x00;
13357: } else if(REG8(AL) == 0x01) {
13358: if(REG8(BL) == 0x00) {
13359: REG8(AH) = 0x00;
13360: } else {
13361: REG8(AH) = 0x90; // undefined attribute type
13362: }
13363: } else if(REG8(AL) == 0x02) {
13364: REG8(AL) = 0x00; // only volatile handles supported
13365: REG8(AH) = 0x00;
13366: } else {
1.1.1.22 root 13367: 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 13368: REG8(AH) = 0x8f;
13369: }
13370: }
13371:
1.1.1.19 root 13372: inline void msdos_int_67h_53h()
13373: {
13374: if(!support_ems) {
13375: REG8(AH) = 0x84;
1.1.1.31 root 13376: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 13377: REG8(AH) = 0x83;
13378: } else if(REG8(AL) == 0x00) {
13379: memcpy(mem + SREG_BASE(ES) + REG16(DI), ems_handles[REG16(DX)].name, 8);
13380: REG8(AH) = 0x00;
13381: } else if(REG8(AL) == 0x01) {
1.1.1.31 root 13382: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 13383: if(ems_handles[i].allocated && memcmp(ems_handles[REG16(DX)].name, mem + SREG_BASE(DS) + REG16(SI), 8) == 0) {
13384: REG8(AH) = 0xa1;
13385: return;
13386: }
13387: }
13388: REG8(AH) = 0x00;
13389: memcpy(ems_handles[REG16(DX)].name, mem + SREG_BASE(DS) + REG16(SI), 8);
13390: } else {
1.1.1.22 root 13391: 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 13392: REG8(AH) = 0x8f;
1.1.1.19 root 13393: }
13394: }
13395:
13396: inline void msdos_int_67h_54h()
13397: {
13398: if(!support_ems) {
13399: REG8(AH) = 0x84;
13400: } else if(REG8(AL) == 0x00) {
1.1.1.31 root 13401: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 13402: if(ems_handles[i].allocated) {
13403: memcpy(mem + SREG_BASE(ES) + REG16(DI) + 10 * i + 2, ems_handles[i].name, 10);
13404: } else {
13405: memset(mem + SREG_BASE(ES) + REG16(DI) + 10 * i + 2, 0, 10);
13406: }
13407: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 10 * i + 0) = i;
13408: }
13409: REG8(AH) = 0x00;
13410: REG8(AL) = MAX_EMS_HANDLES;
13411: } else if(REG8(AL) == 0x01) {
13412: REG8(AH) = 0xa0; // not found
1.1.1.31 root 13413: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 13414: if(ems_handles[i].allocated && memcmp(ems_handles[REG16(DX)].name, mem + SREG_BASE(DS) + REG16(SI), 8) == 0) {
13415: REG8(AH) = 0x00;
13416: REG16(DX) = i;
13417: break;
13418: }
13419: }
13420: } else if(REG8(AL) == 0x02) {
13421: REG8(AH) = 0x00;
13422: REG16(BX) = MAX_EMS_HANDLES;
13423: } else {
1.1.1.22 root 13424: 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 13425: REG8(AH) = 0x8f;
13426: }
13427: }
13428:
13429: inline void msdos_int_67h_57h_tmp()
13430: {
13431: UINT32 copy_length = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00);
13432: UINT8 src_type = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x04);
13433: UINT16 src_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x05);
13434: UINT16 src_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07);
13435: UINT16 src_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x09);
13436: UINT8 dest_type = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0b);
13437: UINT16 dest_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0c);
13438: UINT16 dest_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0e);
13439: UINT16 dest_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x10);
13440:
1.1.1.32 root 13441: UINT8 *src_buffer = NULL, *dest_buffer = NULL;
1.1.1.20 root 13442: UINT32 src_addr, dest_addr;
13443: UINT32 src_addr_max, dest_addr_max;
13444:
13445: if(src_type == 0) {
13446: src_buffer = mem;
13447: src_addr = (src_seg << 4) + src_ofs;
13448: src_addr_max = MAX_MEM;
13449: } else {
1.1.1.31 root 13450: if(!(src_handle >= 1 && src_handle <= MAX_EMS_HANDLES && ems_handles[src_handle].allocated)) {
1.1.1.20 root 13451: REG8(AH) = 0x83;
13452: return;
13453: } else if(!(src_seg < ems_handles[src_handle].pages)) {
13454: REG8(AH) = 0x8a;
13455: return;
13456: }
1.1.1.32 root 13457: if(ems_handles[src_handle].buffer != NULL) {
13458: src_buffer = ems_handles[src_handle].buffer + 0x4000 * src_seg;
13459: }
1.1.1.20 root 13460: src_addr = src_ofs;
1.1.1.32 root 13461: src_addr_max = 0x4000 * (ems_handles[src_handle].pages - src_seg);
1.1.1.20 root 13462: }
13463: if(dest_type == 0) {
13464: dest_buffer = mem;
13465: dest_addr = (dest_seg << 4) + dest_ofs;
13466: dest_addr_max = MAX_MEM;
13467: } else {
1.1.1.31 root 13468: if(!(dest_handle >= 1 && dest_handle <= MAX_EMS_HANDLES && ems_handles[dest_handle].allocated)) {
1.1.1.20 root 13469: REG8(AH) = 0x83;
13470: return;
13471: } else if(!(dest_seg < ems_handles[dest_handle].pages)) {
13472: REG8(AH) = 0x8a;
13473: return;
13474: }
1.1.1.32 root 13475: if(ems_handles[dest_handle].buffer != NULL) {
13476: dest_buffer = ems_handles[dest_handle].buffer + 0x4000 * dest_seg;
13477: }
1.1.1.20 root 13478: dest_addr = dest_ofs;
1.1.1.32 root 13479: dest_addr_max = 0x4000 * (ems_handles[dest_handle].pages - dest_seg);
1.1.1.20 root 13480: }
1.1.1.32 root 13481: if(src_buffer != NULL && dest_buffer != NULL) {
13482: for(int i = 0; i < copy_length; i++) {
13483: if(src_addr < src_addr_max && dest_addr < dest_addr_max) {
13484: if(REG8(AL) == 0x00) {
13485: dest_buffer[dest_addr++] = src_buffer[src_addr++];
13486: } else if(REG8(AL) == 0x01) {
13487: UINT8 tmp = dest_buffer[dest_addr];
13488: dest_buffer[dest_addr++] = src_buffer[src_addr];
13489: src_buffer[src_addr++] = tmp;
13490: }
13491: } else {
13492: REG8(AH) = 0x93;
13493: return;
1.1.1.20 root 13494: }
13495: }
1.1.1.32 root 13496: REG8(AH) = 0x00;
13497: } else {
13498: REG8(AH) = 0x80;
1.1.1.20 root 13499: }
13500: }
13501:
13502: inline void msdos_int_67h_57h()
13503: {
13504: if(!support_ems) {
13505: REG8(AH) = 0x84;
13506: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
13507: struct {
13508: UINT16 handle;
13509: UINT16 page;
13510: bool mapped;
13511: } tmp_pages[4];
13512:
13513: // unmap pages to copy memory data to ems buffer
13514: for(int i = 0; i < 4; i++) {
13515: tmp_pages[i].handle = ems_pages[i].handle;
13516: tmp_pages[i].page = ems_pages[i].page;
13517: tmp_pages[i].mapped = ems_pages[i].mapped;
13518: ems_unmap_page(i);
13519: }
13520:
13521: // run move/exchange operation
13522: msdos_int_67h_57h_tmp();
13523:
13524: // restore unmapped pages
13525: for(int i = 0; i < 4; i++) {
13526: if(tmp_pages[i].mapped) {
13527: ems_map_page(i, tmp_pages[i].handle, tmp_pages[i].page);
13528: }
13529: }
13530: } else {
1.1.1.22 root 13531: 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 13532: REG8(AH) = 0x8f;
13533: }
13534: }
13535:
13536: inline void msdos_int_67h_58h()
13537: {
13538: if(!support_ems) {
13539: REG8(AH) = 0x84;
13540: } else if(REG8(AL) == 0x00) {
13541: for(int i = 0; i < 4; i++) {
1.1.1.30 root 13542: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 0) = (EMS_TOP + 0x4000 * i) >> 4;
13543: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 2) = i;
1.1.1.20 root 13544: }
13545: REG8(AH) = 0x00;
13546: REG16(CX) = 4;
13547: } else if(REG8(AL) == 0x01) {
13548: REG8(AH) = 0x00;
13549: REG16(CX) = 4;
13550: } else {
1.1.1.22 root 13551: 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 13552: REG8(AH) = 0x8f;
13553: }
13554: }
13555:
13556: inline void msdos_int_67h_5ah()
13557: {
13558: if(!support_ems) {
1.1.1.19 root 13559: REG8(AH) = 0x84;
1.1.1.20 root 13560: } else if(REG16(BX) > MAX_EMS_PAGES) {
13561: REG8(AH) = 0x87;
13562: } else if(REG16(BX) > free_ems_pages) {
13563: REG8(AH) = 0x88;
13564: // } else if(REG16(BX) == 0) {
13565: // REG8(AH) = 0x89;
13566: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
1.1.1.31 root 13567: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.20 root 13568: if(!ems_handles[i].allocated) {
13569: ems_allocate_pages(i, REG16(BX));
13570: REG8(AH) = 0x00;
13571: REG16(DX) = i;
13572: return;
13573: }
13574: }
13575: REG8(AH) = 0x85;
13576: } else {
1.1.1.22 root 13577: 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 13578: REG8(AH) = 0x8f;
1.1.1.19 root 13579: }
13580: }
13581:
1.1.1.30 root 13582: inline void msdos_int_67h_deh()
13583: {
13584: REG8(AH) = 0x84;
13585: }
13586:
1.1.1.19 root 13587: #ifdef SUPPORT_XMS
13588:
1.1.1.32 root 13589: void msdos_xms_init()
1.1.1.26 root 13590: {
1.1.1.30 root 13591: emb_handle_top = (emb_handle_t *)calloc(1, sizeof(emb_handle_t));
13592: emb_handle_top->address = EMB_TOP;
13593: emb_handle_top->size_kb = (EMB_END - EMB_TOP) >> 10;
1.1.1.26 root 13594: xms_a20_local_enb_count = 0;
13595: }
13596:
1.1.1.32 root 13597: void msdos_xms_finish()
13598: {
13599: msdos_xms_release();
13600: }
13601:
13602: void msdos_xms_release()
1.1.1.30 root 13603: {
13604: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL;) {
13605: emb_handle_t *next_handle = emb_handle->next;
13606: free(emb_handle);
13607: emb_handle = next_handle;
13608: }
13609: }
13610:
13611: emb_handle_t *msdos_xms_get_emb_handle(int handle)
13612: {
13613: if(handle != 0) {
13614: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
13615: if(emb_handle->handle == handle) {
13616: return(emb_handle);
13617: }
13618: }
13619: }
13620: return(NULL);
13621: }
13622:
13623: int msdos_xms_get_unused_emb_handle_id()
13624: {
13625: for(int handle = 1;; handle++) {
13626: if(msdos_xms_get_emb_handle(handle) == NULL) {
13627: return(handle);
13628: }
13629: }
13630: return(0);
13631: }
13632:
13633: int msdos_xms_get_unused_emb_handle_count()
13634: {
13635: int count = 64; //255;
13636:
13637: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
13638: if(emb_handle->handle != 0) {
13639: if(--count == 1) {
13640: break;
13641: }
13642: }
13643: }
13644: return(count);
13645: }
13646:
13647: void msdos_xms_split_emb_handle(emb_handle_t *emb_handle, int size_kb)
13648: {
13649: if(emb_handle->size_kb > size_kb) {
13650: emb_handle_t *new_handle = (emb_handle_t *)calloc(1, sizeof(emb_handle_t));
13651:
13652: new_handle->address = emb_handle->address + size_kb * 1024;
13653: new_handle->size_kb = emb_handle->size_kb - size_kb;
13654: emb_handle->size_kb = size_kb;
13655:
13656: new_handle->prev = emb_handle;
13657: new_handle->next = emb_handle->next;
13658: if(emb_handle->next != NULL) {
13659: emb_handle->next->prev = new_handle;
13660: }
13661: emb_handle->next = new_handle;
13662: }
13663: }
13664:
13665: void msdos_xms_combine_emb_handles(emb_handle_t *emb_handle)
13666: {
13667: emb_handle_t *next_handle = emb_handle->next;
13668:
13669: if(next_handle != NULL) {
13670: emb_handle->size_kb += next_handle->size_kb;
13671:
13672: if(next_handle->next != NULL) {
13673: next_handle->next->prev = emb_handle;
13674: }
13675: emb_handle->next = next_handle->next;
13676: free(next_handle);
13677: }
13678: }
13679:
13680: emb_handle_t *msdos_xms_alloc_emb_handle(int size_kb)
13681: {
13682: emb_handle_t *target_handle = NULL;
13683:
13684: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
13685: if(emb_handle->handle == 0 && emb_handle->size_kb >= size_kb) {
13686: if(target_handle == NULL || target_handle->size_kb > emb_handle->size_kb) {
13687: target_handle = emb_handle;
13688: }
13689: }
13690: }
13691: if(target_handle != NULL) {
13692: if(target_handle->size_kb > size_kb) {
13693: msdos_xms_split_emb_handle(target_handle, size_kb);
13694: }
13695: // target_handle->handle = msdos_xms_get_unused_emb_handle_id();
13696: return(target_handle);
13697: }
13698: return(NULL);
13699: }
13700:
13701: void msdos_xms_free_emb_handle(emb_handle_t *emb_handle)
13702: {
13703: emb_handle_t *prev_handle = emb_handle->prev;
13704: emb_handle_t *next_handle = emb_handle->next;
13705:
13706: if(prev_handle != NULL && prev_handle->handle == 0) {
13707: msdos_xms_combine_emb_handles(prev_handle);
13708: emb_handle = prev_handle;
13709: }
13710: if(next_handle != NULL && next_handle->handle == 0) {
13711: msdos_xms_combine_emb_handles(emb_handle);
13712: }
13713: emb_handle->handle = 0;
13714: }
13715:
1.1.1.19 root 13716: inline void msdos_call_xms_00h()
13717: {
1.1.1.29 root 13718: #if defined(HAS_I386)
13719: REG16(AX) = 0x0300; // V3.00 (XMS Version)
13720: REG16(BX) = 0x035f; // V3.95 (Driver Revision)
13721: #else
13722: REG16(AX) = 0x0200; // V2.00 (XMS Version)
13723: REG16(BX) = 0x0270; // V2.70 (Driver Revision)
13724: #endif
13725: // REG16(DX) = 0x0000; // HMA does not exist
13726: REG16(DX) = 0x0001; // HMA does exist
1.1.1.19 root 13727: }
13728:
13729: inline void msdos_call_xms_01h()
13730: {
1.1.1.29 root 13731: if(REG8(AL) == 0x40) {
13732: // HIMEM.SYS will fail function 01h with error code 91h if AL=40h and
13733: // DX=KB free extended memory returned by last call of function 08h
13734: REG16(AX) = 0x0000;
13735: REG8(BL) = 0x91;
13736: REG16(DX) = xms_dx_after_call_08h;
13737: } else if(memcmp(mem + 0x100003, "VDISK", 5) == 0) {
13738: REG16(AX) = 0x0000;
13739: REG8(BL) = 0x81; // Vdisk was detected
13740: #ifdef SUPPORT_HMA
13741: } else if(is_hma_used_by_int_2fh) {
13742: REG16(AX) = 0x0000;
13743: REG8(BL) = 0x90; // HMA does not exist or is not managed by XMS provider
13744: } else if(is_hma_used_by_xms) {
13745: REG16(AX) = 0x0000;
13746: REG8(BL) = 0x91; // HMA is already in use
13747: } else {
13748: REG16(AX) = 0x0001;
13749: is_hma_used_by_xms = true;
13750: #else
13751: } else {
13752: REG16(AX) = 0x0000;
13753: REG8(BL) = 0x91; // HMA is already in use
13754: #endif
13755: }
1.1.1.19 root 13756: }
13757:
13758: inline void msdos_call_xms_02h()
13759: {
1.1.1.29 root 13760: if(memcmp(mem + 0x100003, "VDISK", 5) == 0) {
13761: REG16(AX) = 0x0000;
13762: REG8(BL) = 0x81; // Vdisk was detected
13763: #ifdef SUPPORT_HMA
13764: } else if(is_hma_used_by_int_2fh) {
13765: REG16(AX) = 0x0000;
13766: REG8(BL) = 0x90; // HMA does not exist or is not managed by XMS provider
13767: } else if(!is_hma_used_by_xms) {
13768: REG16(AX) = 0x0000;
13769: REG8(BL) = 0x93; // HMA is not allocated
13770: } else {
13771: REG16(AX) = 0x0001;
13772: is_hma_used_by_xms = false;
13773: // restore first free mcb in high memory area
13774: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
13775: #else
13776: } else {
13777: REG16(AX) = 0x0000;
13778: REG8(BL) = 0x91; // HMA is already in use
13779: #endif
13780: }
1.1.1.19 root 13781: }
13782:
13783: inline void msdos_call_xms_03h()
13784: {
13785: i386_set_a20_line(1);
13786: REG16(AX) = 0x0001;
13787: REG8(BL) = 0x00;
13788: }
13789:
13790: inline void msdos_call_xms_04h()
13791: {
1.1.1.21 root 13792: i386_set_a20_line(0);
13793: REG16(AX) = 0x0001;
13794: REG8(BL) = 0x00;
1.1.1.19 root 13795: }
13796:
13797: inline void msdos_call_xms_05h()
13798: {
13799: i386_set_a20_line(1);
13800: REG16(AX) = 0x0001;
13801: REG8(BL) = 0x00;
1.1.1.21 root 13802: xms_a20_local_enb_count++;
1.1.1.19 root 13803: }
13804:
13805: void msdos_call_xms_06h()
13806: {
1.1.1.21 root 13807: if(xms_a20_local_enb_count > 0) {
13808: xms_a20_local_enb_count--;
13809: }
13810: if(xms_a20_local_enb_count == 0) {
1.1.1.19 root 13811: i386_set_a20_line(0);
1.1.1.21 root 13812: }
13813: if((m_a20_mask >> 20) & 1) {
1.1.1.19 root 13814: REG16(AX) = 0x0000;
13815: REG8(BL) = 0x94;
1.1.1.21 root 13816: } else {
13817: REG16(AX) = 0x0001;
13818: REG8(BL) = 0x00;
1.1.1.19 root 13819: }
13820: }
13821:
13822: inline void msdos_call_xms_07h()
13823: {
13824: REG16(AX) = (m_a20_mask >> 20) & 1;
13825: REG8(BL) = 0x00;
13826: }
13827:
13828: inline void msdos_call_xms_08h()
13829: {
13830: REG16(AX) = REG16(DX) = 0x0000;
13831:
1.1.1.30 root 13832: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
13833: if(emb_handle->handle == 0) {
13834: if(REG16(AX) < emb_handle->size_kb) {
13835: REG16(AX) = emb_handle->size_kb;
1.1.1.19 root 13836: }
1.1.1.30 root 13837: REG16(DX) += emb_handle->size_kb;
1.1.1.19 root 13838: }
13839: }
13840:
13841: if(REG16(AX) == 0 && REG16(DX) == 0) {
13842: REG8(BL) = 0xa0;
13843: } else {
13844: REG8(BL) = 0x00;
13845: }
1.1.1.29 root 13846: xms_dx_after_call_08h = REG16(DX);
1.1.1.19 root 13847: }
13848:
1.1.1.30 root 13849: void msdos_call_xms_09h(int size_kb)
1.1.1.19 root 13850: {
1.1.1.30 root 13851: emb_handle_t *emb_handle = msdos_xms_alloc_emb_handle(size_kb);
13852:
13853: if(emb_handle != NULL) {
13854: emb_handle->handle = msdos_xms_get_unused_emb_handle_id();
13855:
13856: REG16(AX) = 0x0001;
13857: REG16(DX) = emb_handle->handle;
13858: REG8(BL) = 0x00;
13859: } else {
13860: REG16(AX) = REG16(DX) = 0x0000;
13861: REG8(BL) = 0xa0;
1.1.1.19 root 13862: }
1.1.1.30 root 13863: }
13864:
13865: inline void msdos_call_xms_09h()
13866: {
13867: msdos_call_xms_09h(REG16(DX));
1.1.1.19 root 13868: }
13869:
13870: inline void msdos_call_xms_0ah()
13871: {
1.1.1.30 root 13872: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
13873:
13874: if(emb_handle == NULL) {
1.1.1.19 root 13875: REG16(AX) = 0x0000;
13876: REG8(BL) = 0xa2;
1.1.1.30 root 13877: } else if(emb_handle->lock > 0) {
1.1.1.19 root 13878: REG16(AX) = 0x0000;
13879: REG8(BL) = 0xab;
13880: } else {
1.1.1.30 root 13881: msdos_xms_free_emb_handle(emb_handle);
1.1.1.19 root 13882:
13883: REG16(AX) = 0x0001;
13884: REG8(BL) = 0x00;
13885: }
13886: }
13887:
13888: inline void msdos_call_xms_0bh()
13889: {
13890: UINT32 copy_length = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00);
13891: UINT16 src_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x04);
13892: UINT32 src_addr = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x06);
13893: UINT16 dest_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0a);
13894: UINT32 dest_addr = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0c);
13895:
13896: UINT8 *src_buffer, *dest_buffer;
13897: UINT32 src_addr_max, dest_addr_max;
1.1.1.30 root 13898: emb_handle_t *emb_handle;
1.1.1.19 root 13899:
13900: if(src_handle == 0) {
13901: src_buffer = mem;
13902: src_addr = (((src_addr >> 16) & 0xffff) << 4) + (src_addr & 0xffff);
13903: src_addr_max = MAX_MEM;
1.1.1.30 root 13904:
1.1.1.19 root 13905: } else {
1.1.1.30 root 13906: if((emb_handle = msdos_xms_get_emb_handle(src_handle)) == NULL) {
1.1.1.19 root 13907: REG16(AX) = 0x0000;
13908: REG8(BL) = 0xa3;
13909: return;
13910: }
1.1.1.30 root 13911: src_buffer = mem + emb_handle->address;
13912: src_addr_max = emb_handle->size_kb * 1024;
1.1.1.19 root 13913: }
13914: if(dest_handle == 0) {
13915: dest_buffer = mem;
13916: dest_addr = (((dest_addr >> 16) & 0xffff) << 4) + (dest_addr & 0xffff);
13917: dest_addr_max = MAX_MEM;
13918: } else {
1.1.1.30 root 13919: if((emb_handle = msdos_xms_get_emb_handle(dest_handle)) == NULL) {
1.1.1.19 root 13920: REG16(AX) = 0x0000;
13921: REG8(BL) = 0xa5;
13922: return;
13923: }
1.1.1.30 root 13924: dest_buffer = mem + emb_handle->address;
13925: dest_addr_max = emb_handle->size_kb * 1024;
1.1.1.19 root 13926: }
13927: for(int i = 0; i < copy_length; i++) {
13928: if(src_addr < src_addr_max && dest_addr < dest_addr_max) {
13929: dest_buffer[dest_addr++] = src_buffer[src_addr++];
13930: } else {
13931: break;
13932: }
13933: }
13934: REG16(AX) = 0x0001;
13935: REG8(BL) = 0x00;
13936: }
13937:
13938: inline void msdos_call_xms_0ch()
13939: {
1.1.1.30 root 13940: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
13941:
13942: if(emb_handle == NULL) {
1.1.1.19 root 13943: REG16(AX) = 0x0000;
13944: REG8(BL) = 0xa2;
13945: } else {
1.1.1.30 root 13946: emb_handle->lock++;
1.1.1.19 root 13947: REG16(AX) = 0x0001;
13948: REG8(BL) = 0x00;
1.1.1.30 root 13949: REG16(DX) = (emb_handle->address >> 16) & 0xffff;
13950: REG16(BX) = (emb_handle->address ) & 0xffff;
1.1.1.19 root 13951: }
13952: }
13953:
13954: inline void msdos_call_xms_0dh()
13955: {
1.1.1.30 root 13956: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
13957:
13958: if(emb_handle == NULL) {
1.1.1.19 root 13959: REG16(AX) = 0x0000;
13960: REG8(BL) = 0xa2;
1.1.1.30 root 13961: } else if(!(emb_handle->lock > 0)) {
1.1.1.19 root 13962: REG16(AX) = 0x0000;
13963: REG8(BL) = 0xaa;
13964: } else {
1.1.1.30 root 13965: emb_handle->lock--;
1.1.1.19 root 13966: REG16(AX) = 0x0001;
13967: REG8(BL) = 0x00;
13968: }
13969: }
13970:
13971: inline void msdos_call_xms_0eh()
13972: {
1.1.1.30 root 13973: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
13974:
13975: if(emb_handle == NULL) {
1.1.1.19 root 13976: REG16(AX) = 0x0000;
13977: REG8(BL) = 0xa2;
13978: } else {
13979: REG16(AX) = 0x0001;
1.1.1.30 root 13980: REG8(BH) = emb_handle->lock;
13981: REG8(BL) = msdos_xms_get_unused_emb_handle_count();
13982: REG16(DX) = emb_handle->size_kb;
1.1.1.19 root 13983: }
13984: }
13985:
1.1.1.30 root 13986: void msdos_call_xms_0fh(int size_kb)
1.1.1.19 root 13987: {
1.1.1.30 root 13988: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
13989:
13990: if(emb_handle == NULL) {
1.1.1.19 root 13991: REG16(AX) = 0x0000;
13992: REG8(BL) = 0xa2;
1.1.1.30 root 13993: } else if(emb_handle->lock > 0) {
1.1.1.19 root 13994: REG16(AX) = 0x0000;
13995: REG8(BL) = 0xab;
13996: } else {
1.1.1.30 root 13997: if(emb_handle->size_kb < size_kb) {
13998: if(emb_handle->next != NULL && emb_handle->next->handle == 0 && (emb_handle->size_kb + emb_handle->next->size_kb) >= size_kb) {
13999: msdos_xms_combine_emb_handles(emb_handle);
14000: if(emb_handle->size_kb > size_kb) {
14001: msdos_xms_split_emb_handle(emb_handle, size_kb);
14002: }
14003: } else {
14004: int old_handle = emb_handle->handle;
14005: int old_size_kb = emb_handle->size_kb;
14006: UINT8 *buffer = (UINT8 *)malloc(old_size_kb * 1024);
14007:
14008: memcpy(buffer, mem + emb_handle->address, old_size_kb * 1024);
14009: msdos_xms_free_emb_handle(emb_handle);
14010:
14011: if((emb_handle = msdos_xms_alloc_emb_handle(size_kb)) == NULL) {
14012: emb_handle = msdos_xms_alloc_emb_handle(old_size_kb); // should be always successed
14013: }
14014: emb_handle->handle = old_handle;
14015: memcpy(mem + emb_handle->address, buffer, old_size_kb * 1024);
14016: free(buffer);
14017: }
14018: } else if(emb_handle->size_kb > size_kb) {
14019: msdos_xms_split_emb_handle(emb_handle, size_kb);
14020: }
14021: if(emb_handle->size_kb != size_kb) {
14022: REG16(AX) = 0x0000;
14023: REG8(BL) = 0xa0;
14024: } else {
14025: REG16(AX) = 0x0001;
14026: REG8(BL) = 0x00;
14027: }
1.1.1.19 root 14028: }
14029: }
14030:
1.1.1.30 root 14031: inline void msdos_call_xms_0fh()
14032: {
14033: msdos_call_xms_0fh(REG16(BX));
14034: }
14035:
1.1.1.19 root 14036: inline void msdos_call_xms_10h()
14037: {
14038: int seg;
14039:
14040: if((seg = msdos_mem_alloc(UMB_TOP >> 4, REG16(DX), 0)) != -1) {
14041: REG16(AX) = 0x0001;
14042: REG16(BX) = seg;
14043: } else {
14044: REG16(AX) = 0x0000;
14045: REG8(BL) = 0xb0;
14046: REG16(DX) = msdos_mem_get_free(UMB_TOP >> 4, 0);
14047: }
14048: }
14049:
14050: inline void msdos_call_xms_11h()
14051: {
14052: int mcb_seg = REG16(DX) - 1;
14053: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
14054:
14055: if(mcb->mz == 'M' || mcb->mz == 'Z') {
14056: msdos_mem_free(REG16(DX));
14057: REG16(AX) = 0x0001;
14058: REG8(BL) = 0x00;
14059: } else {
14060: REG16(AX) = 0x0000;
14061: REG8(BL) = 0xb2;
14062: }
14063: }
14064:
14065: inline void msdos_call_xms_12h()
14066: {
14067: int mcb_seg = REG16(DX) - 1;
14068: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
14069: int max_paragraphs;
14070:
14071: if(mcb->mz == 'M' || mcb->mz == 'Z') {
14072: if(!msdos_mem_realloc(REG16(DX), REG16(BX), &max_paragraphs)) {
14073: REG16(AX) = 0x0001;
14074: REG8(BL) = 0x00;
14075: } else {
14076: REG16(AX) = 0x0000;
14077: REG8(BL) = 0xb0;
14078: REG16(DX) = max_paragraphs;
14079: }
14080: } else {
14081: REG16(AX) = 0x0000;
14082: REG8(BL) = 0xb2;
14083: }
14084: }
14085:
1.1.1.29 root 14086: #if defined(HAS_I386)
14087:
14088: inline void msdos_call_xms_88h()
14089: {
14090: REG32(EAX) = REG32(EDX) = 0x0000;
14091:
1.1.1.30 root 14092: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
14093: if(emb_handle->handle == 0) {
14094: if(REG32(EAX) < emb_handle->size_kb) {
14095: REG32(EAX) = emb_handle->size_kb;
1.1.1.29 root 14096: }
1.1.1.30 root 14097: REG32(EDX) += emb_handle->size_kb;
1.1.1.29 root 14098: }
14099: }
14100:
14101: if(REG32(EAX) == 0 && REG32(EDX) == 0) {
14102: REG8(BL) = 0xa0;
14103: } else {
14104: REG8(BL) = 0x00;
14105: }
14106: REG32(ECX) = EMB_END - 1;
14107: }
14108:
14109: inline void msdos_call_xms_89h()
14110: {
1.1.1.30 root 14111: msdos_call_xms_09h(REG32(EDX));
1.1.1.29 root 14112: }
14113:
14114: inline void msdos_call_xms_8eh()
14115: {
1.1.1.30 root 14116: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
14117:
14118: if(emb_handle == NULL) {
1.1.1.29 root 14119: REG16(AX) = 0x0000;
14120: REG8(BL) = 0xa2;
14121: } else {
14122: REG16(AX) = 0x0001;
1.1.1.30 root 14123: REG8(BH) = emb_handle->lock;
14124: REG16(CX) = msdos_xms_get_unused_emb_handle_count();
14125: REG32(EDX) = emb_handle->size_kb;
1.1.1.29 root 14126: }
14127: }
14128:
14129: inline void msdos_call_xms_8fh()
14130: {
1.1.1.30 root 14131: msdos_call_xms_0fh(REG32(EBX));
1.1.1.29 root 14132: }
14133:
14134: #endif
1.1.1.19 root 14135: #endif
14136:
1.1.1.26 root 14137: UINT16 msdos_get_equipment()
14138: {
14139: static UINT16 equip = 0;
14140:
14141: if(equip == 0) {
14142: #ifdef SUPPORT_FPU
14143: equip |= (1 << 1); // 80x87 coprocessor installed
14144: #endif
14145: equip |= (1 << 2); // pointing device installed (PS/2)
14146: equip |= (2 << 4); // initial video mode (80x25 color)
14147: // equip |= (1 << 8); // 0 if DMA installed
14148: equip |= (2 << 9); // number of serial ports
14149: 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 14150:
14151: // check only A: and B: if it is floppy drive
14152: DWORD dwDrives = GetLogicalDrives();
14153: int n = 0;
14154: for(int i = 0; i < 2; i++) {
14155: if(dwDrives & (1 << i)) {
14156: char volume[] = "A:\\";
14157: volume[0] = 'A' + i;
14158: if(GetDriveType(volume) == DRIVE_REMOVABLE) {
14159: n++;
14160: }
14161: }
14162: }
14163: if(n != 0) {
14164: equip |= (1 << 0); // floppy disk(s) installed
14165: n--;
14166: equip |= (n << 6); // number of floppies installed less 1
14167: }
14168: // if(joyGetNumDevs() != 0) {
14169: // equip |= (1 << 12); // game port installed
14170: // }
1.1.1.26 root 14171: }
14172: return(equip);
14173: }
14174:
1.1 root 14175: void msdos_syscall(unsigned num)
14176: {
1.1.1.22 root 14177: #ifdef ENABLE_DEBUG_SYSCALL
14178: if(num == 0x68) {
14179: // dummy interrupt for EMS (int 67h)
1.1.1.33 root 14180: 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 14181: } else if(num == 0x69) {
14182: // dummy interrupt for XMS (call far)
1.1.1.33 root 14183: 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));
1.1.1.22 root 14184: } else if(num == 0x6a) {
14185: // dummy interrupt for case map routine pointed in the country info
14186: } else {
1.1.1.33 root 14187: 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 14188: }
14189: #endif
1.1.1.36 root 14190: // update cursor position
14191: if(cursor_moved) {
14192: pcbios_update_cursor_position();
14193: cursor_moved = false;
14194: }
1.1.1.33 root 14195: ctrl_break_detected = ctrl_break_pressed = ctrl_c_pressed = false;
1.1.1.22 root 14196:
1.1 root 14197: switch(num) {
14198: case 0x00:
1.1.1.28 root 14199: try {
14200: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
14201: error("division by zero\n");
14202: } catch(...) {
14203: fatalerror("division by zero detected, and failed to terminate current process\n");
14204: }
1.1 root 14205: break;
14206: case 0x04:
1.1.1.28 root 14207: try {
14208: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
14209: error("overflow\n");
14210: } catch(...) {
14211: fatalerror("overflow detected, and failed to terminate current process\n");
14212: }
1.1 root 14213: break;
14214: case 0x06:
14215: // NOTE: ish.com has illegal instruction...
1.1.1.14 root 14216: if(!ignore_illegal_insn) {
1.1.1.28 root 14217: try {
14218: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
14219: error("illegal instruction\n");
14220: } catch(...) {
14221: fatalerror("illegal instruction detected, and failed to terminate current process\n");
14222: }
1.1.1.14 root 14223: } else {
14224: #if defined(HAS_I386)
1.1.1.39! root 14225: m_eip = m_int6h_skip_eip;
! 14226: #elif defined(HAS_I286)
! 14227: m_pc = m_int6h_skip_pc;
1.1.1.14 root 14228: #else
1.1.1.39! root 14229: // 8086/80186 ignore an invalid opcode
1.1.1.14 root 14230: #endif
14231: }
1.1 root 14232: break;
1.1.1.33 root 14233: case 0x09:
14234: // ctrl-break is pressed
14235: if(raise_int_1bh) {
14236: #if defined(HAS_I386)
14237: m_ext = 0; // not an external interrupt
14238: i386_trap(0x1b, 1, 0);
14239: m_ext = 1;
14240: #else
14241: PREFIX86(_interrupt)(0x1b);
14242: #endif
14243: raise_int_1bh = false;
14244: }
1.1.1.8 root 14245: case 0x08:
1.1.1.14 root 14246: // pcbios_irq0(); // this causes too slow emulation...
1.1.1.8 root 14247: case 0x0b:
14248: case 0x0c:
14249: case 0x0d:
14250: case 0x0e:
14251: case 0x0f:
14252: // EOI
14253: pic[0].isr &= ~(1 << (num - 0x08));
14254: pic_update();
14255: break;
1.1 root 14256: case 0x10:
14257: // PC BIOS - Video
1.1.1.14 root 14258: if(!restore_console_on_exit) {
1.1.1.15 root 14259: change_console_size(scr_width, scr_height);
1.1 root 14260: }
1.1.1.3 root 14261: m_CF = 0;
1.1 root 14262: switch(REG8(AH)) {
1.1.1.16 root 14263: case 0x00: pcbios_int_10h_00h(); break;
1.1 root 14264: case 0x01: pcbios_int_10h_01h(); break;
14265: case 0x02: pcbios_int_10h_02h(); break;
14266: case 0x03: pcbios_int_10h_03h(); break;
14267: case 0x05: pcbios_int_10h_05h(); break;
14268: case 0x06: pcbios_int_10h_06h(); break;
14269: case 0x07: pcbios_int_10h_07h(); break;
14270: case 0x08: pcbios_int_10h_08h(); break;
14271: case 0x09: pcbios_int_10h_09h(); break;
14272: case 0x0a: pcbios_int_10h_0ah(); break;
14273: case 0x0b: break;
14274: case 0x0c: break;
14275: case 0x0d: break;
14276: case 0x0e: pcbios_int_10h_0eh(); break;
14277: case 0x0f: pcbios_int_10h_0fh(); break;
14278: case 0x10: break;
1.1.1.14 root 14279: case 0x11: pcbios_int_10h_11h(); break;
14280: case 0x12: pcbios_int_10h_12h(); break;
1.1 root 14281: case 0x13: pcbios_int_10h_13h(); break;
1.1.1.30 root 14282: case 0x18: pcbios_int_10h_18h(); break;
1.1.1.14 root 14283: case 0x1a: pcbios_int_10h_1ah(); break;
1.1.1.24 root 14284: case 0x1b: REG8(AL) = 0x00; break; // functionality/state information is not supported
14285: case 0x1c: REG8(AL) = 0x00; break; // save/restore video state is not supported
1.1 root 14286: case 0x1d: pcbios_int_10h_1dh(); break;
1.1.1.24 root 14287: case 0x1e: REG8(AL) = 0x00; break; // flat-panel functions are not supported
14288: case 0x1f: REG8(AL) = 0x00; break; // xga functions are not supported
1.1.1.22 root 14289: case 0x4f: pcbios_int_10h_4fh(); break;
1.1.1.30 root 14290: case 0x6f: break;
1.1.1.22 root 14291: case 0x80: m_CF = 1; break; // unknown
14292: case 0x81: m_CF = 1; break; // unknown
1.1 root 14293: case 0x82: pcbios_int_10h_82h(); break;
1.1.1.22 root 14294: case 0x83: pcbios_int_10h_83h(); break;
14295: case 0x8b: break;
14296: case 0x8c: m_CF = 1; break; // unknown
14297: case 0x8d: m_CF = 1; break; // unknown
14298: case 0x8e: m_CF = 1; break; // unknown
14299: case 0x90: pcbios_int_10h_90h(); break;
14300: case 0x91: pcbios_int_10h_91h(); break;
14301: case 0x92: break;
14302: case 0x93: break;
14303: case 0xef: pcbios_int_10h_efh(); break;
1.1.1.24 root 14304: case 0xfa: break; // ega register interface library is not installed
1.1 root 14305: case 0xfe: pcbios_int_10h_feh(); break;
14306: case 0xff: pcbios_int_10h_ffh(); break;
14307: default:
1.1.1.22 root 14308: 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));
14309: m_CF = 1;
1.1 root 14310: break;
14311: }
14312: break;
14313: case 0x11:
14314: // PC BIOS - Get Equipment List
1.1.1.26 root 14315: REG16(AX) = msdos_get_equipment();
1.1 root 14316: break;
14317: case 0x12:
14318: // PC BIOS - Get Memory Size
1.1.1.33 root 14319: REG16(AX) = *(UINT16 *)(mem + 0x413);
1.1 root 14320: break;
14321: case 0x13:
14322: // PC BIOS - Disk
1.1.1.22 root 14323: // 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 14324: REG8(AH) = 0xff;
1.1.1.3 root 14325: m_CF = 1;
1.1 root 14326: break;
14327: case 0x14:
14328: // PC BIOS - Serial I/O
1.1.1.25 root 14329: switch(REG8(AH)) {
14330: case 0x00: pcbios_int_14h_00h(); break;
14331: case 0x01: pcbios_int_14h_01h(); break;
14332: case 0x02: pcbios_int_14h_02h(); break;
14333: case 0x03: pcbios_int_14h_03h(); break;
14334: case 0x04: pcbios_int_14h_04h(); break;
14335: case 0x05: pcbios_int_14h_05h(); break;
14336: default:
14337: 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));
14338: break;
14339: }
1.1 root 14340: break;
14341: case 0x15:
14342: // PC BIOS
1.1.1.3 root 14343: m_CF = 0;
1.1 root 14344: switch(REG8(AH)) {
1.1.1.14 root 14345: case 0x10: pcbios_int_15h_10h(); break;
1.1 root 14346: case 0x23: pcbios_int_15h_23h(); break;
14347: case 0x24: pcbios_int_15h_24h(); break;
1.1.1.24 root 14348: case 0x41: break;
1.1 root 14349: case 0x49: pcbios_int_15h_49h(); break;
1.1.1.22 root 14350: case 0x50: pcbios_int_15h_50h(); break;
1.1.1.30 root 14351: case 0x53: pcbios_int_15h_53h(); break;
1.1 root 14352: case 0x86: pcbios_int_15h_86h(); break;
14353: case 0x87: pcbios_int_15h_87h(); break;
14354: case 0x88: pcbios_int_15h_88h(); break;
14355: case 0x89: pcbios_int_15h_89h(); break;
1.1.1.21 root 14356: case 0x8a: pcbios_int_15h_8ah(); break;
1.1.1.22 root 14357: case 0xc0: // PS/2 ???
14358: case 0xc1:
14359: case 0xc2:
1.1.1.30 root 14360: case 0xc3: // PS50+ ???
14361: case 0xc4:
1.1.1.22 root 14362: REG8(AH) = 0x86;
14363: m_CF = 1;
14364: break;
1.1.1.3 root 14365: #if defined(HAS_I386)
1.1 root 14366: case 0xc9: pcbios_int_15h_c9h(); break;
1.1.1.3 root 14367: #endif
1.1 root 14368: case 0xca: pcbios_int_15h_cah(); break;
1.1.1.22 root 14369: case 0xe8: pcbios_int_15h_e8h(); break;
1.1 root 14370: default:
1.1.1.22 root 14371: 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));
14372: REG8(AH) = 0x86;
1.1.1.3 root 14373: m_CF = 1;
1.1 root 14374: break;
14375: }
14376: break;
14377: case 0x16:
14378: // PC BIOS - Keyboard
1.1.1.3 root 14379: m_CF = 0;
1.1 root 14380: switch(REG8(AH)) {
14381: case 0x00: pcbios_int_16h_00h(); break;
14382: case 0x01: pcbios_int_16h_01h(); break;
14383: case 0x02: pcbios_int_16h_02h(); break;
14384: case 0x03: pcbios_int_16h_03h(); break;
14385: case 0x05: pcbios_int_16h_05h(); break;
14386: case 0x10: pcbios_int_16h_00h(); break;
14387: case 0x11: pcbios_int_16h_01h(); break;
14388: case 0x12: pcbios_int_16h_12h(); break;
14389: case 0x13: pcbios_int_16h_13h(); break;
14390: case 0x14: pcbios_int_16h_14h(); break;
1.1.1.24 root 14391: case 0x55: pcbios_int_16h_55h(); break;
1.1.1.30 root 14392: case 0x6f: pcbios_int_16h_6fh(); break;
1.1.1.22 root 14393: case 0xda: break; // unknown
14394: case 0xff: break; // unknown
1.1 root 14395: default:
1.1.1.22 root 14396: 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 14397: break;
14398: }
14399: break;
14400: case 0x17:
14401: // PC BIOS - Printer
1.1.1.37 root 14402: m_CF = 0;
14403: switch(REG8(AH)) {
14404: case 0x00: pcbios_int_17h_00h(); break;
14405: case 0x01: pcbios_int_17h_01h(); break;
14406: case 0x02: pcbios_int_17h_02h(); break;
14407: case 0x03: pcbios_int_17h_03h(); break;
14408: case 0x50: pcbios_int_17h_50h(); break;
14409: case 0x51: pcbios_int_17h_51h(); break;
14410: case 0x52: pcbios_int_17h_52h(); break;
14411: case 0x84: pcbios_int_17h_84h(); break;
14412: case 0x85: pcbios_int_17h_85h(); break;
14413: default:
14414: 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));
14415: break;
14416: }
1.1 root 14417: break;
14418: case 0x1a:
14419: // PC BIOS - Timer
1.1.1.3 root 14420: m_CF = 0;
1.1 root 14421: switch(REG8(AH)) {
14422: case 0x00: pcbios_int_1ah_00h(); break;
14423: case 0x01: break;
14424: case 0x02: pcbios_int_1ah_02h(); break;
14425: case 0x03: break;
14426: case 0x04: pcbios_int_1ah_04h(); break;
14427: case 0x05: break;
14428: case 0x0a: pcbios_int_1ah_0ah(); break;
14429: case 0x0b: break;
1.1.1.14 root 14430: case 0x35: break; // Word Perfect Third Party Interface?
14431: case 0x36: break; // Word Perfect Third Party Interface
14432: case 0x70: break; // SNAP? (Simple Network Application Protocol)
1.1 root 14433: default:
1.1.1.22 root 14434: 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 14435: break;
14436: }
14437: break;
1.1.1.33 root 14438: case 0x1b:
14439: mem[0x471] = 0x00;
14440: break;
1.1 root 14441: case 0x20:
1.1.1.28 root 14442: try {
14443: msdos_process_terminate(SREG(CS), retval, 1);
14444: } catch(...) {
14445: fatalerror("failed to terminate the process (PSP=%04X) by int 20h\n", SREG(CS));
14446: }
1.1 root 14447: break;
14448: case 0x21:
14449: // MS-DOS System Call
1.1.1.3 root 14450: m_CF = 0;
1.1.1.28 root 14451: try {
14452: switch(REG8(AH)) {
14453: case 0x00: msdos_int_21h_00h(); break;
14454: case 0x01: msdos_int_21h_01h(); break;
14455: case 0x02: msdos_int_21h_02h(); break;
14456: case 0x03: msdos_int_21h_03h(); break;
14457: case 0x04: msdos_int_21h_04h(); break;
14458: case 0x05: msdos_int_21h_05h(); break;
14459: case 0x06: msdos_int_21h_06h(); break;
14460: case 0x07: msdos_int_21h_07h(); break;
14461: case 0x08: msdos_int_21h_08h(); break;
14462: case 0x09: msdos_int_21h_09h(); break;
14463: case 0x0a: msdos_int_21h_0ah(); break;
14464: case 0x0b: msdos_int_21h_0bh(); break;
14465: case 0x0c: msdos_int_21h_0ch(); break;
14466: case 0x0d: msdos_int_21h_0dh(); break;
14467: case 0x0e: msdos_int_21h_0eh(); break;
14468: case 0x0f: msdos_int_21h_0fh(); break;
14469: case 0x10: msdos_int_21h_10h(); break;
14470: case 0x11: msdos_int_21h_11h(); break;
14471: case 0x12: msdos_int_21h_12h(); break;
14472: case 0x13: msdos_int_21h_13h(); break;
14473: case 0x14: msdos_int_21h_14h(); break;
14474: case 0x15: msdos_int_21h_15h(); break;
14475: case 0x16: msdos_int_21h_16h(); break;
14476: case 0x17: msdos_int_21h_17h(); break;
14477: case 0x18: msdos_int_21h_18h(); break;
14478: case 0x19: msdos_int_21h_19h(); break;
14479: case 0x1a: msdos_int_21h_1ah(); break;
14480: case 0x1b: msdos_int_21h_1bh(); break;
14481: case 0x1c: msdos_int_21h_1ch(); break;
14482: case 0x1d: msdos_int_21h_1dh(); break;
14483: case 0x1e: msdos_int_21h_1eh(); break;
14484: case 0x1f: msdos_int_21h_1fh(); break;
14485: case 0x20: msdos_int_21h_20h(); break;
14486: case 0x21: msdos_int_21h_21h(); break;
14487: case 0x22: msdos_int_21h_22h(); break;
14488: case 0x23: msdos_int_21h_23h(); break;
14489: case 0x24: msdos_int_21h_24h(); break;
14490: case 0x25: msdos_int_21h_25h(); break;
14491: case 0x26: msdos_int_21h_26h(); break;
14492: case 0x27: msdos_int_21h_27h(); break;
14493: case 0x28: msdos_int_21h_28h(); break;
14494: case 0x29: msdos_int_21h_29h(); break;
14495: case 0x2a: msdos_int_21h_2ah(); break;
14496: case 0x2b: msdos_int_21h_2bh(); break;
14497: case 0x2c: msdos_int_21h_2ch(); break;
14498: case 0x2d: msdos_int_21h_2dh(); break;
14499: case 0x2e: msdos_int_21h_2eh(); break;
14500: case 0x2f: msdos_int_21h_2fh(); break;
14501: case 0x30: msdos_int_21h_30h(); break;
14502: case 0x31: msdos_int_21h_31h(); break;
14503: case 0x32: msdos_int_21h_32h(); break;
14504: case 0x33: msdos_int_21h_33h(); break;
14505: case 0x34: msdos_int_21h_34h(); break;
14506: case 0x35: msdos_int_21h_35h(); break;
14507: case 0x36: msdos_int_21h_36h(); break;
14508: case 0x37: msdos_int_21h_37h(); break;
14509: case 0x38: msdos_int_21h_38h(); break;
14510: case 0x39: msdos_int_21h_39h(0); break;
14511: case 0x3a: msdos_int_21h_3ah(0); break;
14512: case 0x3b: msdos_int_21h_3bh(0); break;
14513: case 0x3c: msdos_int_21h_3ch(); break;
14514: case 0x3d: msdos_int_21h_3dh(); break;
14515: case 0x3e: msdos_int_21h_3eh(); break;
14516: case 0x3f: msdos_int_21h_3fh(); break;
14517: case 0x40: msdos_int_21h_40h(); break;
14518: case 0x41: msdos_int_21h_41h(0); break;
14519: case 0x42: msdos_int_21h_42h(); break;
14520: case 0x43: msdos_int_21h_43h(0); break;
14521: case 0x44: msdos_int_21h_44h(); break;
14522: case 0x45: msdos_int_21h_45h(); break;
14523: case 0x46: msdos_int_21h_46h(); break;
14524: case 0x47: msdos_int_21h_47h(0); break;
14525: case 0x48: msdos_int_21h_48h(); break;
14526: case 0x49: msdos_int_21h_49h(); break;
14527: case 0x4a: msdos_int_21h_4ah(); break;
14528: case 0x4b: msdos_int_21h_4bh(); break;
14529: case 0x4c: msdos_int_21h_4ch(); break;
14530: case 0x4d: msdos_int_21h_4dh(); break;
14531: case 0x4e: msdos_int_21h_4eh(); break;
14532: case 0x4f: msdos_int_21h_4fh(); break;
14533: case 0x50: msdos_int_21h_50h(); break;
14534: case 0x51: msdos_int_21h_51h(); break;
14535: case 0x52: msdos_int_21h_52h(); break;
1.1.1.33 root 14536: // 0x53: Translate BIOS Parameter Block to Drive Param Bock
1.1.1.28 root 14537: case 0x54: msdos_int_21h_54h(); break;
14538: case 0x55: msdos_int_21h_55h(); break;
14539: case 0x56: msdos_int_21h_56h(0); break;
14540: case 0x57: msdos_int_21h_57h(); break;
14541: case 0x58: msdos_int_21h_58h(); break;
14542: case 0x59: msdos_int_21h_59h(); break;
14543: case 0x5a: msdos_int_21h_5ah(); break;
14544: case 0x5b: msdos_int_21h_5bh(); break;
14545: case 0x5c: msdos_int_21h_5ch(); break;
14546: case 0x5d: msdos_int_21h_5dh(); break;
1.1.1.33 root 14547: // 0x5e: MS-Network
1.1.1.30 root 14548: case 0x5f: msdos_int_21h_5fh(); break;
1.1.1.28 root 14549: case 0x60: msdos_int_21h_60h(0); break;
14550: case 0x61: msdos_int_21h_61h(); break;
14551: case 0x62: msdos_int_21h_62h(); break;
14552: case 0x63: msdos_int_21h_63h(); break;
1.1.1.33 root 14553: // 0x64: Set Device Driver Lockahead Flag
1.1.1.28 root 14554: case 0x65: msdos_int_21h_65h(); break;
14555: case 0x66: msdos_int_21h_66h(); break;
14556: case 0x67: msdos_int_21h_67h(); break;
14557: case 0x68: msdos_int_21h_68h(); break;
14558: case 0x69: msdos_int_21h_69h(); break;
14559: case 0x6a: msdos_int_21h_6ah(); break;
14560: case 0x6b: msdos_int_21h_6bh(); break;
14561: case 0x6c: msdos_int_21h_6ch(0); break;
1.1.1.33 root 14562: // 0x6d: Find First ROM Program
14563: // 0x6e: Find Next ROM Program
14564: // 0x6f: Get/Set ROM Scan Start Address
14565: // 0x70: Windows95 - Get/Set Internationalization Information
1.1.1.28 root 14566: case 0x71:
1.1.1.33 root 14567: // Windows95 - Long Filename Functions
1.1.1.28 root 14568: switch(REG8(AL)) {
14569: case 0x0d: msdos_int_21h_710dh(); break;
14570: case 0x39: msdos_int_21h_39h(1); break;
14571: case 0x3a: msdos_int_21h_3ah(1); break;
14572: case 0x3b: msdos_int_21h_3bh(1); break;
14573: case 0x41: msdos_int_21h_7141h(1); break;
14574: case 0x43: msdos_int_21h_43h(1); break;
14575: case 0x47: msdos_int_21h_47h(1); break;
14576: case 0x4e: msdos_int_21h_714eh(); break;
14577: case 0x4f: msdos_int_21h_714fh(); break;
14578: case 0x56: msdos_int_21h_56h(1); break;
14579: case 0x60: msdos_int_21h_60h(1); break;
14580: case 0x6c: msdos_int_21h_6ch(1); break;
14581: case 0xa0: msdos_int_21h_71a0h(); break;
14582: case 0xa1: msdos_int_21h_71a1h(); break;
14583: case 0xa6: msdos_int_21h_71a6h(); break;
14584: case 0xa7: msdos_int_21h_71a7h(); break;
14585: case 0xa8: msdos_int_21h_71a8h(); break;
1.1.1.33 root 14586: // 0xa9: Server Create/Open File
1.1.1.28 root 14587: case 0xaa: msdos_int_21h_71aah(); break;
14588: default:
14589: 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));
14590: REG16(AX) = 0x7100;
14591: m_CF = 1;
14592: break;
14593: }
14594: break;
14595: // 0x72: Windows95 beta - LFN FindClose
14596: case 0x73:
1.1.1.33 root 14597: // Windows95 - FAT32 Functions
1.1.1.28 root 14598: switch(REG8(AL)) {
14599: case 0x00: msdos_int_21h_7300h(); break;
1.1.1.33 root 14600: // 0x01: Set Drive Locking ???
1.1.1.28 root 14601: case 0x02: msdos_int_21h_7302h(); break;
14602: case 0x03: msdos_int_21h_7303h(); break;
1.1.1.33 root 14603: // 0x04: Set DPB to Use for Formatting
14604: // 0x05: Extended Absolute Disk Read/Write
1.1.1.28 root 14605: default:
14606: 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));
14607: REG16(AX) = 0x7300;
14608: m_CF = 1;
14609: break;
14610: }
1.1 root 14611: break;
1.1.1.30 root 14612: case 0xdb: msdos_int_21h_dbh(); break;
14613: case 0xdc: msdos_int_21h_dch(); break;
1.1 root 14614: default:
1.1.1.22 root 14615: 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 14616: REG16(AX) = 0x01;
1.1.1.3 root 14617: m_CF = 1;
1.1 root 14618: break;
14619: }
1.1.1.28 root 14620: } catch(int error) {
14621: REG16(AX) = error;
14622: m_CF = 1;
14623: } catch(...) {
14624: REG16(AX) = 0x1f; // general failure
1.1.1.3 root 14625: m_CF = 1;
1.1 root 14626: }
1.1.1.3 root 14627: if(m_CF) {
1.1.1.23 root 14628: sda_t *sda = (sda_t *)(mem + SDA_TOP);
14629: sda->extended_error_code = REG16(AX);
14630: switch(sda->extended_error_code) {
14631: case 4: // Too many open files
14632: case 8: // Insufficient memory
14633: sda->error_class = 1; // Out of resource
14634: break;
14635: case 5: // Access denied
14636: sda->error_class = 3; // Authorization
14637: break;
14638: case 7: // Memory control block destroyed
14639: sda->error_class = 4; // Internal
14640: break;
14641: case 2: // File not found
14642: case 3: // Path not found
14643: case 15: // Invaid drive specified
14644: case 18: // No more files
14645: sda->error_class = 8; // Not found
14646: break;
14647: case 32: // Sharing violation
14648: case 33: // Lock violation
14649: sda->error_class = 10; // Locked
14650: break;
14651: // case 16: // Removal of current directory attempted
14652: case 19: // Attempted write on protected disk
14653: case 21: // Drive not ready
14654: // case 29: // Write failure
14655: // case 30: // Read failure
14656: // case 82: // Cannot create subdirectory
14657: sda->error_class = 11; // Media
14658: break;
14659: case 80: // File already exists
14660: sda->error_class = 12; // Already exist
14661: break;
14662: default:
14663: sda->error_class = 13; // Unknown
14664: break;
14665: }
14666: sda->suggested_action = 1; // Retry
14667: sda->locus_of_last_error = 1; // Unknown
1.1 root 14668: }
1.1.1.33 root 14669: if(ctrl_break_checking && ctrl_break_detected) {
1.1.1.26 root 14670: // raise int 23h
14671: #if defined(HAS_I386)
14672: m_ext = 0; // not an external interrupt
14673: i386_trap(0x23, 1, 0);
14674: m_ext = 1;
14675: #else
14676: PREFIX86(_interrupt)(0x23);
14677: #endif
14678: }
1.1 root 14679: break;
14680: case 0x22:
14681: fatalerror("int 22h (terminate address)\n");
14682: case 0x23:
1.1.1.28 root 14683: try {
14684: msdos_process_terminate(current_psp, (retval & 0xff) | 0x100, 1);
14685: } catch(...) {
14686: fatalerror("failed to terminate the current process by int 23h\n");
14687: }
1.1 root 14688: break;
14689: case 0x24:
1.1.1.32 root 14690: /*
1.1.1.28 root 14691: try {
14692: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
14693: } catch(...) {
14694: fatalerror("failed to terminate the current process by int 24h\n");
14695: }
1.1.1.32 root 14696: */
14697: msdos_int_24h();
1.1 root 14698: break;
14699: case 0x25:
14700: msdos_int_25h();
14701: break;
14702: case 0x26:
14703: msdos_int_26h();
14704: break;
14705: case 0x27:
1.1.1.28 root 14706: try {
14707: msdos_int_27h();
14708: } catch(...) {
14709: fatalerror("failed to terminate the process (PSP=%04X) by int 27h\n", SREG(CS));
14710: }
1.1 root 14711: break;
14712: case 0x28:
14713: Sleep(10);
1.1.1.35 root 14714: REQUEST_HARDWRE_UPDATE();
1.1 root 14715: break;
14716: case 0x29:
14717: msdos_int_29h();
14718: break;
14719: case 0x2e:
14720: msdos_int_2eh();
14721: break;
14722: case 0x2f:
14723: // multiplex interrupt
14724: switch(REG8(AH)) {
1.1.1.22 root 14725: case 0x05: msdos_int_2fh_05h(); break;
14726: case 0x11: msdos_int_2fh_11h(); break;
1.1.1.21 root 14727: case 0x12: msdos_int_2fh_12h(); break;
1.1.1.30 root 14728: case 0x13: msdos_int_2fh_13h(); break;
1.1.1.22 root 14729: case 0x14: msdos_int_2fh_14h(); break;
14730: case 0x15: msdos_int_2fh_15h(); break;
1.1 root 14731: case 0x16: msdos_int_2fh_16h(); break;
1.1.1.22 root 14732: case 0x19: msdos_int_2fh_19h(); break;
1.1 root 14733: case 0x1a: msdos_int_2fh_1ah(); break;
1.1.1.30 root 14734: case 0x40: msdos_int_2fh_40h(); break;
1.1 root 14735: case 0x43: msdos_int_2fh_43h(); break;
1.1.1.22 root 14736: case 0x46: msdos_int_2fh_46h(); break;
14737: case 0x48: msdos_int_2fh_48h(); break;
1.1 root 14738: case 0x4a: msdos_int_2fh_4ah(); break;
1.1.1.22 root 14739: case 0x4b: msdos_int_2fh_4bh(); break;
1.1 root 14740: case 0x4f: msdos_int_2fh_4fh(); break;
1.1.1.22 root 14741: case 0x55: msdos_int_2fh_55h(); break;
1.1.1.24 root 14742: case 0xad: msdos_int_2fh_adh(); break;
1.1 root 14743: case 0xae: msdos_int_2fh_aeh(); break;
1.1.1.34 root 14744: case 0xb7: msdos_int_2fh_b7h(); break;
1.1.1.30 root 14745: // Installation Check
14746: case 0x01: // PRINT.COM
14747: case 0x02: // PC LAN Program Redirector
14748: case 0x06: // ASSIGN
14749: case 0x08: // DRIVER.SYS
14750: case 0x10: // SHARE
14751: case 0x17: // Clibboard functions
14752: case 0x1b: // XMA2EMS.SYS
14753: case 0x23: // DR DOS 5.0 GRAFTABL
14754: case 0x27: // DR-DOR 6.0 TaskMAX
14755: case 0x2e: // Novell DOS 7 GRAFTABL
1.1.1.33 root 14756: case 0x39: // Kingswood TSR INTERFACE
14757: case 0x41: // DOS Enhanced LAN Manager 2.0+ MINIPOP/NETPOPUP
1.1.1.30 root 14758: case 0x45: // PROF.COM
14759: case 0x51: // ODIHELP.EXE
1.1.1.33 root 14760: case 0x52: // JAM.SYS v1.10+
1.1.1.30 root 14761: case 0x54: // POWER.EXE
14762: case 0x56: // INTERLNK
1.1.1.33 root 14763: case 0x57: // IOMEGA DRIVERS
1.1.1.30 root 14764: case 0x70: // License Service API
1.1.1.33 root 14765: case 0x72: // SRDISK v1.30+
1.1.1.30 root 14766: case 0x7a: // Novell NetWare
1.1.1.33 root 14767: case 0x7f: // PRINDIR v9.0
14768: case 0x80: // FAX BIOS
14769: case 0x81: // Nanosoft, Inc. TurboNET redirector
14770: case 0x82: // Nanosoft, Inc. CAPDOS
14771: case 0x89: // WHOA!.COM
14772: case 0x90: // Resident AID
1.1.1.30 root 14773: case 0x94: // MICRO.EXE
1.1.1.33 root 14774: case 0x97: // Micro Focus COBOL v3.1.31
14775: case 0x98: // Micro Focus COBOL v3.1.31
14776: case 0x99: // DOS Navigator II
14777: case 0x9e: // INTMON v2.1
14778: case 0x9f: // INTCFG v2.1
14779: case 0xa9: // METZTSR.COM
14780: case 0xab: // SRSoft MODAL PC v2
1.1.1.30 root 14781: case 0xac: // GRAPHICS.COM
1.1.1.33 root 14782: case 0xaf: // WinDOS v2.11
1.1.1.30 root 14783: case 0xb0: // GRAFTABLE.COM
1.1.1.33 root 14784: case 0xb4: // IBM PC3270 EMULATION PROG v3
1.1.1.30 root 14785: case 0xb8: // NETWORK
14786: case 0xb9: // RECEIVER.COM
14787: case 0xbc: // EGA.SYS
1.1.1.33 root 14788: case 0xbe: // REDVIEW
1.1.1.30 root 14789: case 0xbf: // PC LAN Program - REDIRIFS.EXE
14790: case 0xc0: // Novell LSL.COM
1.1.1.33 root 14791: case 0xc1: // Personal NetWare - STPIPX v1.00
14792: case 0xc3: // SETWPR.COM
14793: case 0xc5: // PC-DOS Econet v1.05
14794: case 0xc7: // COLAP.COM
14795: case 0xc9: // ThunderByte???
14796: case 0xca: // TBSCANX
14797: case 0xcb: // Communicating Applications Specification
14798: case 0xcc: // Tsoft NFSDRVR
14799: case 0xcd: // SWELL.EXE
14800: case 0xcf: // TEMPLEXX 1.0
14801: case 0xd0: // Lotus CD/Networker
1.1.1.30 root 14802: case 0xd2: // PCL-838.EXE
1.1.1.33 root 14803: case 0xd3: // TeleReplica
14804: case 0xd6: // VEDIT VSWAP
14805: case 0xd7: // Banyan VINES v4+
1.1.1.30 root 14806: case 0xd8: // Novell NetWare Lite - CLIENT.EXE
1.1.1.33 root 14807: case 0xda: // ZyXEL ZFAX v1.x
14808: case 0xdb: // ZyXEL ZFAX v2+
14809: case 0xdc: // GOLD.COM
14810: case 0xdd: // MIXFIX.EXE
14811: case 0xde: // Novell Netware - RPRINTER, NPRINTER
14812: case 0xdf: // HyperWare programs
14813: case 0xe0: // SETDRVER.COM v2.10+
14814: case 0xe1: // Phantom2 v1.1+
14815: case 0xe3: // ANARKEY.COM
14816: case 0xed: // Phar Lap DOS EXTENDERS
14817: case 0xee: // XVIEW
14818: case 0xf0: // 4MAP
14819: case 0xf1: // DOS EXTENDER
14820: case 0xf2: // WINX
14821: case 0xf4: // FINDIRQ.COM
14822: case 0xf7: // AUTOPARK.COM
14823: case 0xf8: // SuperStor PRO 2XON.COM
14824: case 0xfb: // AutoBraille v1.1A
14825: case 0xfe: // PC-NFS ???
14826: case 0xff: // Topware Network Operating System
1.1.1.30 root 14827: switch(REG8(AL)) {
14828: case 0x00:
14829: // This is not installed
14830: // REG8(AL) = 0x00;
14831: break;
1.1.1.33 root 14832: case 0x01:
14833: // Banyan VINES v4+ is not installed
14834: if(REG8(AH) == 0xd7 && REG16(BX) == 0x0000) {
14835: break;
14836: }
1.1.1.30 root 14837: default:
14838: 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));
14839: REG16(AX) = 0x01;
14840: m_CF = 1;
14841: break;
14842: }
14843: break;
1.1.1.22 root 14844: default:
14845: unimplemented_2fh("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));
14846: break;
1.1 root 14847: }
14848: break;
1.1.1.24 root 14849: case 0x33:
14850: switch(REG8(AH)) {
14851: case 0x00:
14852: // Mouse
14853: switch(REG8(AL)) {
14854: case 0x00: msdos_int_33h_0000h(); break;
14855: case 0x01: msdos_int_33h_0001h(); break;
14856: case 0x02: msdos_int_33h_0002h(); break;
14857: case 0x03: msdos_int_33h_0003h(); break;
1.1.1.34 root 14858: case 0x04: msdos_int_33h_0004h(); break;
1.1.1.24 root 14859: case 0x05: msdos_int_33h_0005h(); break;
14860: case 0x06: msdos_int_33h_0006h(); break;
14861: case 0x07: msdos_int_33h_0007h(); break;
14862: case 0x08: msdos_int_33h_0008h(); break;
14863: case 0x09: msdos_int_33h_0009h(); break;
1.1.1.34 root 14864: case 0x0a: break; // Define Text Cursor
1.1.1.24 root 14865: case 0x0b: msdos_int_33h_000bh(); break;
14866: case 0x0c: msdos_int_33h_000ch(); break;
1.1.1.34 root 14867: case 0x0d: break; // Light Pen Emulation On
14868: case 0x0e: break; // Light Pen Emulation Off
1.1.1.24 root 14869: case 0x0f: msdos_int_33h_000fh(); break;
1.1.1.34 root 14870: case 0x10: break; // Define Screen Region for Updating
1.1.1.24 root 14871: case 0x11: msdos_int_33h_0011h(); break;
1.1.1.34 root 14872: case 0x12: REG16(AX) = 0xffff; break; // Set Large Graphics Cursor Block
14873: case 0x13: break; // Define Double-Speed Threshold
1.1.1.24 root 14874: case 0x14: msdos_int_33h_0014h(); break;
14875: case 0x15: msdos_int_33h_0015h(); break;
14876: case 0x16: msdos_int_33h_0016h(); break;
14877: case 0x17: msdos_int_33h_0017h(); break;
14878: case 0x1a: msdos_int_33h_001ah(); break;
14879: case 0x1b: msdos_int_33h_001bh(); break;
14880: case 0x1d: msdos_int_33h_001dh(); break;
14881: case 0x1e: msdos_int_33h_001eh(); break;
1.1.1.34 root 14882: case 0x1f: msdos_int_33h_001fh(); break;
14883: case 0x20: msdos_int_33h_0020h(); break;
1.1.1.24 root 14884: case 0x21: msdos_int_33h_0021h(); break;
14885: case 0x22: msdos_int_33h_0022h(); break;
14886: case 0x23: msdos_int_33h_0023h(); break;
14887: case 0x24: msdos_int_33h_0024h(); break;
14888: case 0x26: msdos_int_33h_0026h(); break;
14889: case 0x2a: msdos_int_33h_002ah(); break;
1.1.1.34 root 14890: case 0x2f: break; // Mouse Hardware Reset
1.1.1.24 root 14891: case 0x31: msdos_int_33h_0031h(); break;
14892: case 0x32: msdos_int_33h_0032h(); break;
14893: default:
14894: 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));
14895: break;
14896: }
14897: break;
14898: default:
14899: 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));
14900: break;
14901: }
14902: break;
1.1.1.19 root 14903: case 0x68:
14904: // dummy interrupt for EMS (int 67h)
14905: switch(REG8(AH)) {
14906: case 0x40: msdos_int_67h_40h(); break;
14907: case 0x41: msdos_int_67h_41h(); break;
14908: case 0x42: msdos_int_67h_42h(); break;
14909: case 0x43: msdos_int_67h_43h(); break;
14910: case 0x44: msdos_int_67h_44h(); break;
14911: case 0x45: msdos_int_67h_45h(); break;
14912: case 0x46: msdos_int_67h_46h(); break;
14913: case 0x47: msdos_int_67h_47h(); break;
14914: case 0x48: msdos_int_67h_48h(); break;
1.1.1.20 root 14915: // 0x49: LIM EMS - Reserved - Get I/O Port Address (Undocumented in EMS 3.2)
14916: // 0x4a: LIM EMS - Reserved - Get Translation Array (Undocumented in EMS 3.2)
1.1.1.19 root 14917: case 0x4b: msdos_int_67h_4bh(); break;
14918: case 0x4c: msdos_int_67h_4ch(); break;
14919: case 0x4d: msdos_int_67h_4dh(); break;
1.1.1.20 root 14920: case 0x4e: msdos_int_67h_4eh(); break;
1.1.1.21 root 14921: case 0x4f: msdos_int_67h_4fh(); break;
1.1.1.20 root 14922: case 0x50: msdos_int_67h_50h(); break;
1.1.1.19 root 14923: case 0x51: msdos_int_67h_51h(); break;
1.1.1.20 root 14924: case 0x52: msdos_int_67h_52h(); break;
1.1.1.19 root 14925: case 0x53: msdos_int_67h_53h(); break;
14926: case 0x54: msdos_int_67h_54h(); break;
1.1.1.20 root 14927: // 0x55: LIM EMS 4.0 - Alter Page Map And JUMP
14928: // 0x56: LIM EMS 4.0 - Alter Page Map And CALL
14929: case 0x57: msdos_int_67h_57h(); break;
14930: case 0x58: msdos_int_67h_58h(); break;
14931: // 0x59: LIM EMS 4.0 - Get Expanded Memory Hardware Information (for DOS Kernel)
14932: case 0x5a: msdos_int_67h_5ah(); break;
14933: // 0x5b: LIM EMS 4.0 - Alternate Map Register Set (for DOS Kernel)
14934: // 0x5c: LIM EMS 4.0 - Prepate Expanded Memory Hardware For Warm Boot
14935: // 0x5d: LIM EMS 4.0 - Enable/Disable OS Function Set Functions (for DOS Kernel)
1.1.1.31 root 14936: // 0x60: EEMS - Get Physical Window Array
14937: // 0x61: EEMS - Generic Accelerator Card Support
14938: // 0x68: EEMS - Get Address of All Pge Frames om System
14939: // 0x69: EEMS - Map Page into Frame
14940: // 0x6a: EEMS - Page Mapping
14941: // 0xde: VCPI
1.1.1.30 root 14942: case 0xde: msdos_int_67h_deh(); break;
1.1.1.19 root 14943: default:
1.1.1.22 root 14944: 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 14945: REG8(AH) = 0x84;
14946: break;
14947: }
14948: break;
14949: #ifdef SUPPORT_XMS
14950: case 0x69:
14951: // dummy interrupt for XMS (call far)
1.1.1.28 root 14952: try {
14953: switch(REG8(AH)) {
14954: case 0x00: msdos_call_xms_00h(); break;
14955: case 0x01: msdos_call_xms_01h(); break;
14956: case 0x02: msdos_call_xms_02h(); break;
14957: case 0x03: msdos_call_xms_03h(); break;
14958: case 0x04: msdos_call_xms_04h(); break;
14959: case 0x05: msdos_call_xms_05h(); break;
14960: case 0x06: msdos_call_xms_06h(); break;
14961: case 0x07: msdos_call_xms_07h(); break;
14962: case 0x08: msdos_call_xms_08h(); break;
14963: case 0x09: msdos_call_xms_09h(); break;
14964: case 0x0a: msdos_call_xms_0ah(); break;
14965: case 0x0b: msdos_call_xms_0bh(); break;
14966: case 0x0c: msdos_call_xms_0ch(); break;
14967: case 0x0d: msdos_call_xms_0dh(); break;
14968: case 0x0e: msdos_call_xms_0eh(); break;
14969: case 0x0f: msdos_call_xms_0fh(); break;
14970: case 0x10: msdos_call_xms_10h(); break;
14971: case 0x11: msdos_call_xms_11h(); break;
14972: case 0x12: msdos_call_xms_12h(); break;
1.1.1.29 root 14973: #if defined(HAS_I386)
14974: case 0x88: msdos_call_xms_88h(); break;
14975: case 0x89: msdos_call_xms_89h(); break;
14976: case 0x8e: msdos_call_xms_8eh(); break;
14977: case 0x8f: msdos_call_xms_8fh(); break;
14978: #endif
1.1.1.28 root 14979: default:
14980: 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));
14981: REG16(AX) = 0x0000;
14982: REG8(BL) = 0x80; // function not implemented
14983: break;
14984: }
14985: } catch(...) {
1.1.1.19 root 14986: REG16(AX) = 0x0000;
1.1.1.28 root 14987: REG8(BL) = 0x8f; // unrecoverable driver error
1.1.1.19 root 14988: }
14989: break;
14990: #endif
14991: case 0x6a:
1.1.1.24 root 14992: // irq12 (mouse)
14993: mouse_push_ax = REG16(AX);
14994: mouse_push_bx = REG16(BX);
14995: mouse_push_cx = REG16(CX);
14996: mouse_push_dx = REG16(DX);
14997: mouse_push_si = REG16(SI);
14998: mouse_push_di = REG16(DI);
14999:
1.1.1.34 root 15000: if(/*mouse.hidden == 0 && */mouse.call_addr.dw != 0) {
1.1.1.24 root 15001: REG16(AX) = mouse.status_irq;
15002: REG16(BX) = mouse.get_buttons();
1.1.1.34 root 15003: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.position.x));
15004: REG16(DX) = max(mouse.min_position.y & ~7, min(mouse.max_position.y & ~7, mouse.position.y));
1.1.1.24 root 15005: REG16(SI) = REG16(CX) * mouse.mickey.x / 8;
15006: REG16(DI) = REG16(DX) * mouse.mickey.y / 8;
15007:
15008: mem[0xfffd0 + 0x02] = 0x9a; // call far
15009: mem[0xfffd0 + 0x03] = mouse.call_addr.w.l & 0xff;
15010: mem[0xfffd0 + 0x04] = mouse.call_addr.w.l >> 8;
15011: mem[0xfffd0 + 0x05] = mouse.call_addr.w.h & 0xff;
15012: mem[0xfffd0 + 0x06] = mouse.call_addr.w.h >> 8;
15013: } else {
15014: mem[0xfffd0 + 0x02] = 0x90; // nop
15015: mem[0xfffd0 + 0x03] = 0x90; // nop
15016: mem[0xfffd0 + 0x04] = 0x90; // nop
15017: mem[0xfffd0 + 0x05] = 0x90; // nop
15018: mem[0xfffd0 + 0x06] = 0x90; // nop
15019: }
15020: break;
15021: case 0x6b:
15022: // end of irq12 (mouse)
15023: REG16(AX) = mouse_push_ax;
15024: REG16(BX) = mouse_push_bx;
15025: REG16(CX) = mouse_push_cx;
15026: REG16(DX) = mouse_push_dx;
15027: REG16(SI) = mouse_push_si;
15028: REG16(DI) = mouse_push_di;
15029:
15030: // EOI
15031: if((pic[1].isr &= ~(1 << 4)) == 0) {
15032: pic[0].isr &= ~(1 << 2); // master
15033: }
15034: pic_update();
15035: break;
15036: case 0x6c:
1.1.1.19 root 15037: // dummy interrupt for case map routine pointed in the country info
15038: if(REG8(AL) >= 0x80) {
15039: char tmp[2] = {0};
15040: tmp[0] = REG8(AL);
15041: my_strupr(tmp);
15042: REG8(AL) = tmp[0];
15043: }
15044: break;
1.1.1.27 root 15045: case 0x6d:
15046: // dummy interrupt for font read routine pointed by int 15h, ax=5000h
15047: REG8(AL) = 0x86; // not supported
15048: m_CF = 1;
15049: break;
1.1.1.32 root 15050: case 0x6e:
15051: // dummy interrupt for parameter error message read routine pointed by int 2fh, ax=122eh, dl=08h
15052: {
15053: UINT16 code = REG16(AX);
15054: if(code & 0xf0) {
15055: code = (code & 7) | ((code & 0x10) >> 1);
15056: }
15057: for(int i = 0; i < array_length(param_error_table); i++) {
15058: if(param_error_table[i].code == code || param_error_table[i].code == (UINT16)-1) {
15059: const char *message = NULL;
15060: if(active_code_page == 932) {
15061: message = param_error_table[i].message_japanese;
15062: }
15063: if(message == NULL) {
15064: message = param_error_table[i].message_english;
15065: }
15066: *(UINT8 *)(mem + WORK_TOP) = strlen(message);
15067: strcpy((char *)(mem + WORK_TOP + 1), message);
15068:
15069: SREG(ES) = WORK_TOP >> 4;
15070: i386_load_segment_descriptor(ES);
15071: REG16(DI) = 0x0000;
15072: break;
15073: }
15074: }
15075: }
15076: break;
1.1.1.8 root 15077: case 0x70:
15078: case 0x71:
15079: case 0x72:
15080: case 0x73:
15081: case 0x74:
15082: case 0x75:
15083: case 0x76:
15084: case 0x77:
15085: // EOI
15086: if((pic[1].isr &= ~(1 << (num - 0x70))) == 0) {
15087: pic[0].isr &= ~(1 << 2); // master
15088: }
15089: pic_update();
15090: break;
1.1 root 15091: default:
1.1.1.22 root 15092: // 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 15093: break;
15094: }
15095:
15096: // update cursor position
15097: if(cursor_moved) {
1.1.1.36 root 15098: pcbios_update_cursor_position();
1.1 root 15099: cursor_moved = false;
15100: }
15101: }
15102:
15103: // init
15104:
15105: int msdos_init(int argc, char *argv[], char *envp[], int standard_env)
15106: {
15107: // init file handler
15108: memset(file_handler, 0, sizeof(file_handler));
15109: msdos_file_handler_open(0, "STDIN", _isatty(0), 0, 0x80d3, 0);
15110: msdos_file_handler_open(1, "STDOUT", _isatty(1), 1, 0x80d3, 0);
15111: msdos_file_handler_open(2, "STDERR", _isatty(2), 1, 0x80d3, 0);
1.1.1.21 root 15112: #ifdef MAP_AUX_DEVICE_TO_FILE
1.1 root 15113: if(_open("stdaux.txt", _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE) == 3) {
1.1.1.21 root 15114: #else
15115: if(_open("NUL", _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE) == 3) {
15116: #endif
15117: msdos_file_handler_open(3, "STDAUX", 0, 2, 0x80c0, 0);
1.1 root 15118: }
1.1.1.21 root 15119: if(_open("NUL", _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE) == 4) {
1.1.1.37 root 15120: msdos_file_handler_open(4, "STDPRN", 0, 1, 0xa8c0, 0, 0, 1); // LPT1
1.1.1.21 root 15121: }
1.1 root 15122: _dup2(0, DUP_STDIN);
15123: _dup2(1, DUP_STDOUT);
15124: _dup2(2, DUP_STDERR);
1.1.1.21 root 15125: _dup2(3, DUP_STDAUX);
15126: _dup2(4, DUP_STDPRN);
1.1 root 15127:
1.1.1.24 root 15128: // init mouse
15129: memset(&mouse, 0, sizeof(mouse));
1.1.1.34 root 15130: mouse.enabled = true; // from DOSBox
15131: mouse.hidden = 1; // hidden in default ???
15132: mouse.old_hidden = 1; // from DOSBox
15133: mouse.max_position.x = 8 * (scr_width - 1);
15134: mouse.max_position.y = 8 * (scr_height - 1);
1.1.1.24 root 15135: mouse.mickey.x = 8;
15136: mouse.mickey.y = 16;
15137:
1.1.1.26 root 15138: #ifdef SUPPORT_XMS
15139: // init xms
15140: msdos_xms_init();
15141: #endif
15142:
1.1 root 15143: // init process
15144: memset(process, 0, sizeof(process));
15145:
1.1.1.13 root 15146: // init dtainfo
15147: msdos_dta_info_init();
15148:
1.1 root 15149: // init memory
15150: memset(mem, 0, sizeof(mem));
15151:
15152: // bios data area
1.1.1.23 root 15153: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 15154: CONSOLE_SCREEN_BUFFER_INFO csbi;
15155: GetConsoleScreenBufferInfo(hStdout, &csbi);
1.1.1.14 root 15156: CONSOLE_FONT_INFO cfi;
15157: GetCurrentConsoleFont(hStdout, FALSE, &cfi);
15158:
15159: int regen = min(scr_width * scr_height * 2, 0x8000);
15160: text_vram_top_address = TEXT_VRAM_TOP;
15161: text_vram_end_address = text_vram_top_address + regen;
15162: shadow_buffer_top_address = SHADOW_BUF_TOP;
15163: shadow_buffer_end_address = shadow_buffer_top_address + regen;
15164:
15165: if(regen > 0x4000) {
15166: regen = 0x8000;
15167: vram_pages = 1;
15168: } else if(regen > 0x2000) {
15169: regen = 0x4000;
15170: vram_pages = 2;
15171: } else if(regen > 0x1000) {
15172: regen = 0x2000;
15173: vram_pages = 4;
15174: } else {
15175: regen = 0x1000;
15176: vram_pages = 8;
15177: }
1.1 root 15178:
1.1.1.25 root 15179: *(UINT16 *)(mem + 0x400) = 0x3f8; // com1 port address
15180: *(UINT16 *)(mem + 0x402) = 0x2f8; // com2 port address
1.1.1.29 root 15181: *(UINT16 *)(mem + 0x404) = 0x3e8; // com3 port address
15182: *(UINT16 *)(mem + 0x406) = 0x2e8; // com4 port address
1.1.1.25 root 15183: *(UINT16 *)(mem + 0x408) = 0x378; // lpt1 port address
1.1.1.37 root 15184: *(UINT16 *)(mem + 0x40a) = 0x278; // lpt2 port address
15185: *(UINT16 *)(mem + 0x40c) = 0x3bc; // lpt3 port address
1.1.1.32 root 15186: #ifdef EXT_BIOS_TOP
1.1.1.25 root 15187: *(UINT16 *)(mem + 0x40e) = EXT_BIOS_TOP >> 4;
1.1.1.32 root 15188: #endif
1.1.1.26 root 15189: *(UINT16 *)(mem + 0x410) = msdos_get_equipment();
1.1.1.33 root 15190: *(UINT16 *)(mem + 0x413) = MEMORY_END >> 10;
1.1 root 15191: *(UINT8 *)(mem + 0x449) = 0x03;//0x73;
1.1.1.14 root 15192: *(UINT16 *)(mem + 0x44a) = csbi.dwSize.X;
15193: *(UINT16 *)(mem + 0x44c) = regen;
1.1 root 15194: *(UINT16 *)(mem + 0x44e) = 0;
15195: *(UINT8 *)(mem + 0x450) = csbi.dwCursorPosition.X;
1.1.1.14 root 15196: *(UINT8 *)(mem + 0x451) = csbi.dwCursorPosition.Y - scr_top;
1.1 root 15197: *(UINT8 *)(mem + 0x460) = 7;
15198: *(UINT8 *)(mem + 0x461) = 7;
15199: *(UINT8 *)(mem + 0x462) = 0;
15200: *(UINT16 *)(mem + 0x463) = 0x3d4;
1.1.1.19 root 15201: *(UINT8 *)(mem + 0x465) = 0x09;
15202: *(UINT32 *)(mem + 0x46c) = get_ticks_since_midnight(timeGetTime());
1.1.1.14 root 15203: *(UINT8 *)(mem + 0x484) = csbi.srWindow.Bottom - csbi.srWindow.Top;
15204: *(UINT8 *)(mem + 0x485) = cfi.dwFontSize.Y;
15205: *(UINT8 *)(mem + 0x487) = 0x60;
15206: *(UINT8 *)(mem + 0x496) = 0x10; // enhanced keyboard installed
1.1.1.32 root 15207: #ifdef EXT_BIOS_TOP
1.1.1.25 root 15208: *(UINT16 *)(mem + EXT_BIOS_TOP) = 1;
1.1.1.32 root 15209: #endif
1.1.1.14 root 15210:
15211: // initial screen
15212: SMALL_RECT rect;
15213: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
15214: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
15215: for(int y = 0, ofs1 = TEXT_VRAM_TOP, ofs2 = SHADOW_BUF_TOP; y < scr_height; y++) {
15216: for(int x = 0; x < scr_width; x++) {
15217: mem[ofs1++] = mem[ofs2++] = SCR_BUF(y,x).Char.AsciiChar;
15218: mem[ofs1++] = mem[ofs2++] = SCR_BUF(y,x).Attributes;
15219: }
15220: }
1.1 root 15221:
1.1.1.19 root 15222: // init mcb
1.1 root 15223: int seg = MEMORY_TOP >> 4;
1.1.1.19 root 15224:
15225: // iret table
15226: // note: int 2eh vector should address the routine in command.com,
15227: // and some softwares invite (int 2eh vector segment) - 1 must address the mcb of command.com.
15228: // so move iret table into allocated memory block
15229: // http://www5c.biglobe.ne.jp/~ecb/assembler2/2_6.html
1.1.1.33 root 15230: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, IRET_SIZE >> 4);
1.1.1.19 root 15231: IRET_TOP = seg << 4;
15232: seg += IRET_SIZE >> 4;
1.1.1.25 root 15233: memset(mem + IRET_TOP, 0xcf, IRET_SIZE); // iret
1.1.1.19 root 15234:
15235: // dummy xms/ems device
1.1.1.33 root 15236: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, XMS_SIZE >> 4);
1.1.1.19 root 15237: XMS_TOP = seg << 4;
15238: seg += XMS_SIZE >> 4;
15239:
15240: // environment
1.1.1.33 root 15241: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, ENV_SIZE >> 4);
1.1 root 15242: int env_seg = seg;
15243: int ofs = 0;
1.1.1.32 root 15244: char env_append[ENV_SIZE] = {0}, append_added = 0;
15245: char comspec_added = 0;
1.1.1.33 root 15246: char lastdrive_added = 0;
1.1.1.32 root 15247: char env_msdos_path[ENV_SIZE] = {0};
15248: char env_path[ENV_SIZE] = {0}, path_added = 0;
1.1.1.33 root 15249: char prompt_added = 0;
1.1.1.32 root 15250: char env_temp[ENV_SIZE] = {0}, temp_added = 0, tmp_added = 0;
1.1.1.33 root 15251: char tz_added = 0;
1.1.1.32 root 15252: char *path, *short_path;
15253:
15254: if((path = getenv("MSDOS_APPEND")) != NULL) {
15255: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
15256: strcpy(env_append, short_path);
15257: }
15258: }
15259: if((path = getenv("APPEND")) != NULL) {
15260: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
15261: if(env_append[0] != '\0') {
15262: strcat(env_append, ";");
15263: }
15264: strcat(env_append, short_path);
15265: }
15266: }
15267:
15268: if((path = msdos_search_command_com(argv[0], env_path)) != NULL) {
15269: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
15270: strcpy(comspec_path, short_path);
15271: }
15272: }
15273: if((path = getenv("MSDOS_COMSPEC")) != NULL && _access(path, 0) == 0) {
15274: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
15275: strcpy(comspec_path, short_path);
15276: }
15277: }
1.1 root 15278:
1.1.1.28 root 15279: if((path = getenv("MSDOS_PATH")) != NULL) {
1.1.1.32 root 15280: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
15281: strcpy(env_msdos_path, short_path);
15282: strcpy(env_path, short_path);
1.1.1.14 root 15283: }
15284: }
1.1.1.28 root 15285: if((path = getenv("PATH")) != NULL) {
1.1.1.32 root 15286: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
15287: if(env_path[0] != '\0') {
15288: strcat(env_path, ";");
15289: }
15290: strcat(env_path, short_path);
1.1.1.9 root 15291: }
15292: }
1.1.1.32 root 15293:
15294: if(GetTempPath(ENV_SIZE, env_temp) != 0) {
15295: strcpy(env_temp, msdos_get_multiple_short_path(env_temp));
1.1.1.15 root 15296: }
1.1.1.32 root 15297: for(int i = 0; i < 4; i++) {
15298: static const char *name[4] = {"MSDOS_TEMP", "MSDOS_TMP", "TEMP", "TMP"};
15299: if((path = getenv(name[i])) != NULL && _access(path, 0) == 0) {
15300: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
15301: strcpy(env_temp, short_path);
15302: break;
15303: }
15304: }
1.1.1.24 root 15305: }
1.1.1.32 root 15306:
1.1.1.9 root 15307: for(char **p = envp; p != NULL && *p != NULL; p++) {
1.1 root 15308: // lower to upper
1.1.1.28 root 15309: char tmp[ENV_SIZE], name[ENV_SIZE];
1.1 root 15310: strcpy(tmp, *p);
15311: for(int i = 0;; i++) {
15312: if(tmp[i] == '=') {
15313: tmp[i] = '\0';
15314: sprintf(name, ";%s;", tmp);
1.1.1.25 root 15315: my_strupr(name);
1.1 root 15316: tmp[i] = '=';
15317: break;
15318: } else if(tmp[i] >= 'a' && tmp[i] <= 'z') {
1.1.1.28 root 15319: tmp[i] = (tmp[i] - 'a') + 'A';
1.1 root 15320: }
15321: }
1.1.1.33 root 15322: if(strstr(";MSDOS_APPEND;MSDOS_COMSPEC;MSDOS_LASTDRIVE;MSDOS_TEMP;MSDOS_TMP;MSDOS_TZ;", name) != NULL) {
15323: // ignore MSDOS_(APPEND/COMSPEC/LASTDRIVE/TEMP/TMP/TZ)
15324: } else if(standard_env && strstr(";APPEND;COMSPEC;LASTDRIVE;MSDOS_PATH;PATH;PROMPT;TEMP;TMP;TZ;", name) == NULL) {
1.1.1.18 root 15325: // ignore non standard environments
15326: } else {
1.1.1.33 root 15327: if(strncmp(tmp, "APPEND=", 7) == 0) {
1.1.1.32 root 15328: if(env_append[0] != '\0') {
15329: sprintf(tmp, "APPEND=%s", env_append);
15330: } else {
15331: sprintf(tmp, "APPEND=%s", msdos_get_multiple_short_path(tmp + 7));
15332: }
15333: append_added = 1;
15334: } else if(strncmp(tmp, "COMSPEC=", 8) == 0) {
1.1.1.14 root 15335: strcpy(tmp, "COMSPEC=C:\\COMMAND.COM");
1.1.1.32 root 15336: comspec_added = 1;
1.1.1.33 root 15337: } else if(strncmp(tmp, "LASTDRIVE=", 10) == 0) {
15338: char *env = getenv("MSDOS_LASTDRIVE");
15339: if(env != NULL) {
15340: sprintf(tmp, "LASTDRIVE=%s", env);
15341: }
15342: lastdrive_added = 1;
15343: } else if(strncmp(tmp, "MSDOS_PATH=", 11) == 0) {
1.1.1.28 root 15344: if(env_msdos_path[0] != '\0') {
15345: sprintf(tmp, "MSDOS_PATH=%s", env_msdos_path);
15346: } else {
15347: sprintf(tmp, "MSDOS_PATH=%s", msdos_get_multiple_short_path(tmp + 11));
15348: }
1.1.1.33 root 15349: } else if(strncmp(tmp, "PATH=", 5) == 0) {
1.1.1.28 root 15350: if(env_path[0] != '\0') {
15351: sprintf(tmp, "PATH=%s", env_path);
15352: } else {
15353: sprintf(tmp, "PATH=%s", msdos_get_multiple_short_path(tmp + 5));
15354: }
1.1.1.32 root 15355: path_added = 1;
1.1.1.33 root 15356: } else if(strncmp(tmp, "PROMPT=", 7) == 0) {
15357: prompt_added = 1;
1.1.1.28 root 15358: } else if(strncmp(tmp, "TEMP=", 5) == 0) {
15359: if(env_temp[0] != '\0') {
15360: sprintf(tmp, "TEMP=%s", env_temp);
15361: } else {
15362: sprintf(tmp, "TEMP=%s", msdos_get_multiple_short_path(tmp + 5));
15363: }
1.1.1.32 root 15364: temp_added = 1;
1.1.1.33 root 15365: } else if(strncmp(tmp, "TMP=", 4) == 0) {
1.1.1.28 root 15366: if(env_temp[0] != '\0') {
15367: sprintf(tmp, "TMP=%s", env_temp);
15368: } else {
15369: sprintf(tmp, "TMP=%s", msdos_get_multiple_short_path(tmp + 4));
1.1 root 15370: }
1.1.1.32 root 15371: tmp_added = 1;
1.1.1.33 root 15372: } else if(strncmp(tmp, "TZ=", 3) == 0) {
15373: char *env = getenv("MSDOS_TZ");
15374: if(env != NULL) {
15375: sprintf(tmp, "TZ=%s", env);
15376: }
15377: tz_added = 1;
1.1 root 15378: }
15379: int len = strlen(tmp);
1.1.1.14 root 15380: if(ofs + len + 1 + (2 + (8 + 1 + 3)) + 2 > ENV_SIZE) {
1.1 root 15381: fatalerror("too many environments\n");
15382: }
15383: memcpy(mem + (seg << 4) + ofs, tmp, len);
15384: ofs += len + 1;
15385: }
15386: }
1.1.1.32 root 15387: if(!append_added && env_append[0] != '\0') {
15388: #define SET_ENV(name, value) { \
15389: char tmp[ENV_SIZE]; \
15390: sprintf(tmp, "%s=%s", name, value); \
15391: int len = strlen(tmp); \
15392: if(ofs + len + 1 + (2 + (8 + 1 + 3)) + 2 > ENV_SIZE) { \
15393: fatalerror("too many environments\n"); \
15394: } \
15395: memcpy(mem + (seg << 4) + ofs, tmp, len); \
15396: ofs += len + 1; \
15397: }
15398: SET_ENV("APPEND", env_append);
15399: }
15400: if(!comspec_added) {
15401: SET_ENV("COMSPEC", "C:\\COMMAND.COM");
15402: }
1.1.1.33 root 15403: if(!lastdrive_added) {
15404: SET_ENV("LASTDRIVE", "Z");
15405: }
1.1.1.32 root 15406: if(!path_added) {
15407: SET_ENV("PATH", env_path);
15408: }
1.1.1.33 root 15409: if(!prompt_added) {
15410: SET_ENV("PROMPT", "$P$G");
15411: }
1.1.1.32 root 15412: if(!temp_added) {
15413: SET_ENV("TEMP", env_temp);
15414: }
15415: if(!tmp_added) {
15416: SET_ENV("TMP", env_temp);
15417: }
1.1.1.33 root 15418: if(!tz_added) {
15419: TIME_ZONE_INFORMATION tzi;
15420: HKEY hKey, hSubKey;
15421: char tzi_std_name[64];
15422: char tz_std[8] = "GMT";
15423: char tz_dlt[8] = "GST";
15424: char tz_value[32];
15425:
15426: // timezone name from GetTimeZoneInformation may not be english
15427: bool daylight = (GetTimeZoneInformation(&tzi) != TIME_ZONE_ID_UNKNOWN);
15428: setlocale(LC_CTYPE, "");
15429: wcstombs(tzi_std_name, tzi.StandardName, sizeof(tzi_std_name));
15430:
15431: // get english timezone name from registry
15432: if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Time Zones", 0, KEY_READ, &hKey) == ERROR_SUCCESS) {
15433: for(DWORD i = 0; !tz_added; i++) {
15434: char reg_name[256], sub_key[1024], std_name[256];
15435: DWORD size;
15436: FILETIME ftTime;
15437: LONG result = RegEnumKeyEx(hKey, i, reg_name, &(size = array_length(reg_name)), NULL, NULL, NULL, &ftTime);
15438:
15439: if(result == ERROR_SUCCESS) {
15440: sprintf(sub_key, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Time Zones\\%s", reg_name);
15441: if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, sub_key, 0, KEY_QUERY_VALUE, &hSubKey) == ERROR_SUCCESS) {
15442: if(RegQueryValueEx(hSubKey, "Std", NULL, NULL, (LPBYTE)std_name, &(size = array_length(std_name))) == ERROR_SUCCESS) {
15443: // search english timezone name from table
1.1.1.37 root 15444: if(strcmp(std_name, tzi_std_name) == 0) {
1.1.1.33 root 15445: for(int j = 0; j < array_length(tz_table); j++) {
15446: if(strcmp(reg_name, tz_table[j].name) == 0 && (tz_table[j].lcid == 0 || tz_table[j].lcid == GetUserDefaultLCID())) {
15447: if(tz_table[j].std != NULL) {
15448: strcpy(tz_std, tz_table[j].std);
15449: }
15450: if(tz_table[j].dlt != NULL) {
15451: strcpy(tz_dlt, tz_table[j].dlt);
15452: }
15453: tz_added = 1;
15454: break;
15455: }
15456: }
15457: }
15458: }
15459: RegCloseKey(hSubKey);
15460: }
15461: } else if(result == ERROR_NO_MORE_ITEMS) {
15462: break;
15463: }
15464: }
15465: RegCloseKey(hKey);
15466: }
15467: if((tzi.Bias % 60) != 0) {
15468: sprintf(tz_value, "%s%d:%2d", tz_std, tzi.Bias / 60, abs(tzi.Bias % 60));
15469: } else {
15470: sprintf(tz_value, "%s%d", tz_std, tzi.Bias / 60);
15471: }
15472: if(daylight) {
15473: strcat(tz_value, tz_dlt);
15474: }
15475: SET_ENV("TZ", tz_value);
15476: }
1.1 root 15477: seg += (ENV_SIZE >> 4);
15478:
15479: // psp
1.1.1.33 root 15480: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, PSP_SIZE >> 4);
1.1 root 15481: current_psp = seg;
1.1.1.35 root 15482: psp_t *psp = msdos_psp_create(seg, seg + (PSP_SIZE >> 4), -1, env_seg);
15483: psp->parent_psp = current_psp;
1.1 root 15484: seg += (PSP_SIZE >> 4);
15485:
1.1.1.19 root 15486: // first free mcb in conventional memory
1.1.1.33 root 15487: msdos_mcb_create(seg, 'M', 0, (MEMORY_END >> 4) - seg - 2);
1.1.1.8 root 15488: first_mcb = seg;
15489:
1.1.1.19 root 15490: // dummy mcb to link to umb
1.1.1.33 root 15491: #if 0
1.1.1.39! root 15492: msdos_mcb_create((MEMORY_END >> 4) - 1, 'M', PSP_SYSTEM, (UMB_TOP >> 4) - (MEMORY_END >> 4), "SC"); // link umb
1.1.1.33 root 15493: #else
1.1.1.39! root 15494: msdos_mcb_create((MEMORY_END >> 4) - 1, 'Z', PSP_SYSTEM, 0, "SC"); // unlink umb
1.1.1.33 root 15495: #endif
1.1.1.19 root 15496:
15497: // first free mcb in upper memory block
1.1.1.8 root 15498: msdos_mcb_create(UMB_TOP >> 4, 'Z', 0, (UMB_END >> 4) - (UMB_TOP >> 4) - 1);
1.1 root 15499:
1.1.1.29 root 15500: #ifdef SUPPORT_HMA
15501: // first free mcb in high memory area
15502: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
15503: #endif
15504:
1.1.1.26 root 15505: // interrupt vector
15506: for(int i = 0; i < 0x80; i++) {
15507: *(UINT16 *)(mem + 4 * i + 0) = i;
15508: *(UINT16 *)(mem + 4 * i + 2) = (IRET_TOP >> 4);
15509: }
1.1.1.35 root 15510: *(UINT16 *)(mem + 4 * 0x08 + 0) = 0x0018; // fffd:0018 irq0 (system timer)
1.1.1.26 root 15511: *(UINT16 *)(mem + 4 * 0x08 + 2) = 0xfffd;
15512: *(UINT16 *)(mem + 4 * 0x22 + 0) = 0x0000; // ffff:0000 boot
15513: *(UINT16 *)(mem + 4 * 0x22 + 2) = 0xffff;
15514: *(UINT16 *)(mem + 4 * 0x67 + 0) = 0x0012; // xxxx:0012 ems
15515: *(UINT16 *)(mem + 4 * 0x67 + 2) = XMS_TOP >> 4;
15516: *(UINT16 *)(mem + 4 * 0x74 + 0) = 0x0000; // fffd:0000 irq12 (mouse)
15517: *(UINT16 *)(mem + 4 * 0x74 + 2) = 0xfffd;
15518:
1.1.1.29 root 15519: // dummy devices (NUL -> CON -> ... -> CONFIG$ -> EMMXXXX0)
1.1.1.26 root 15520: static const struct {
15521: UINT16 attributes;
15522: char *dev_name;
15523: } dummy_devices[] = {
15524: {0x8013, "CON "},
15525: {0x8000, "AUX "},
15526: {0xa0c0, "PRN "},
15527: {0x8008, "CLOCK$ "},
15528: {0x8000, "COM1 "},
15529: {0xa0c0, "LPT1 "},
15530: {0xa0c0, "LPT2 "},
15531: {0xa0c0, "LPT3 "},
15532: {0x8000, "COM2 "},
15533: {0x8000, "COM3 "},
15534: {0x8000, "COM4 "},
1.1.1.30 root 15535: // {0xc000, "CONFIG$ "},
15536: {0xc000, "$IBMADSP"}, // for windows3.1 setup.exe
1.1.1.26 root 15537: };
15538: static const UINT8 dummy_device_routine[] = {
15539: // from NUL device of Windows 98 SE
15540: // or word ptr ES:[BX+03],0100
15541: 0x26, 0x81, 0x4f, 0x03, 0x00, 0x01,
15542: // retf
15543: 0xcb,
15544: };
1.1.1.29 root 15545: device_t *last = NULL;
1.1.1.32 root 15546: for(int i = 0; i < array_length(dummy_devices); i++) {
1.1.1.26 root 15547: device_t *device = (device_t *)(mem + DEVICE_TOP + 22 + 18 * i);
1.1.1.29 root 15548: device->next_driver.w.l = 22 + 18 * (i + 1);
15549: device->next_driver.w.h = DEVICE_TOP >> 4;
1.1.1.26 root 15550: device->attributes = dummy_devices[i].attributes;
1.1.1.29 root 15551: device->strategy = DEVICE_SIZE - sizeof(dummy_device_routine);
15552: device->interrupt = DEVICE_SIZE - sizeof(dummy_device_routine) + 6;
1.1.1.26 root 15553: memcpy(device->dev_name, dummy_devices[i].dev_name, 8);
1.1.1.29 root 15554: last = device;
15555: }
15556: if(last != NULL) {
15557: last->next_driver.w.l = 0;
15558: last->next_driver.w.h = XMS_TOP >> 4;
1.1.1.26 root 15559: }
1.1.1.29 root 15560: memcpy(mem + DEVICE_TOP + DEVICE_SIZE - sizeof(dummy_device_routine), dummy_device_routine, sizeof(dummy_device_routine));
1.1.1.26 root 15561:
1.1.1.25 root 15562: // dos info
15563: dos_info_t *dos_info = (dos_info_t *)(mem + DOS_INFO_TOP);
15564: dos_info->magic_word = 1;
15565: dos_info->first_mcb = MEMORY_TOP >> 4;
15566: dos_info->first_dpb.w.l = 0;
15567: dos_info->first_dpb.w.h = DPB_TOP >> 4;
15568: dos_info->first_sft.w.l = 0;
15569: dos_info->first_sft.w.h = SFT_TOP >> 4;
1.1.1.26 root 15570: dos_info->clock_device.w.l = 22 + 18 * 3; // CLOCK$ is the 3rd device in IO.SYS
1.1.1.25 root 15571: dos_info->clock_device.w.h = DEVICE_TOP >> 4;
1.1.1.26 root 15572: dos_info->con_device.w.l = 22 + 18 * 0; // CON is the 1st device in IO.SYS
1.1.1.25 root 15573: dos_info->con_device.w.h = DEVICE_TOP >> 4;
15574: dos_info->max_sector_len = 512;
15575: dos_info->disk_buf_info.w.l = offsetof(dos_info_t, disk_buf_heads);
15576: dos_info->disk_buf_info.w.h = DOS_INFO_TOP >> 4;
15577: dos_info->cds.w.l = 0;
15578: dos_info->cds.w.h = CDS_TOP >> 4;
15579: dos_info->fcb_table.w.l = 0;
15580: dos_info->fcb_table.w.h = FCB_TABLE_TOP >> 4;
15581: dos_info->last_drive = 'Z' - 'A' + 1;
15582: dos_info->buffers_x = 20;
15583: dos_info->buffers_y = 0;
15584: dos_info->boot_drive = 'C' - 'A' + 1;
1.1.1.29 root 15585: dos_info->nul_device.next_driver.w.l = 22;
15586: dos_info->nul_device.next_driver.w.h = DEVICE_TOP >> 4;
1.1.1.25 root 15587: dos_info->nul_device.attributes = 0x8004;
1.1.1.29 root 15588: dos_info->nul_device.strategy = DOS_INFO_SIZE - sizeof(dummy_device_routine);
15589: dos_info->nul_device.interrupt = DOS_INFO_SIZE - sizeof(dummy_device_routine) + 6;
1.1.1.25 root 15590: memcpy(dos_info->nul_device.dev_name, "NUL ", 8);
15591: dos_info->disk_buf_heads.w.l = 0;
15592: dos_info->disk_buf_heads.w.h = DISK_BUF_TOP >> 4;
1.1.1.39! root 15593: dos_info->umb_linked = (((mcb_t *)(mem + MEMORY_END - 16))->mz == 'M' ? 0x01 : 0x00);
1.1.1.25 root 15594: dos_info->first_umb_fcb = UMB_TOP >> 4;
15595: dos_info->first_mcb_2 = MEMORY_TOP >> 4;
1.1.1.29 root 15596: memcpy(mem + DOS_INFO_TOP + DOS_INFO_SIZE - sizeof(dummy_device_routine), dummy_device_routine, sizeof(dummy_device_routine));
1.1.1.25 root 15597:
15598: char *env;
15599: if((env = getenv("LASTDRIVE")) != NULL) {
15600: if(env[0] >= 'A' && env[0] <= 'Z') {
15601: dos_info->last_drive = env[0] - 'A' + 1;
15602: } else if(env[0] >= 'a' && env[0] <= 'z') {
15603: dos_info->last_drive = env[0] - 'a' + 1;
15604: }
15605: }
15606: if((env = getenv("windir")) != NULL) {
15607: if(env[0] >= 'A' && env[0] <= 'Z') {
15608: dos_info->boot_drive = env[0] - 'A' + 1;
15609: } else if(env[0] >= 'a' && env[0] <= 'z') {
15610: dos_info->boot_drive = env[0] - 'a' + 1;
15611: }
15612: }
15613: #if defined(HAS_I386)
15614: dos_info->i386_or_later = 1;
15615: #else
15616: dos_info->i386_or_later = 0;
15617: #endif
15618: dos_info->ext_mem_size = (min(MAX_MEM, 0x4000000) - 0x100000) >> 10;
15619:
1.1.1.27 root 15620: // ems (int 67h) and xms
1.1.1.25 root 15621: device_t *xms_device = (device_t *)(mem + XMS_TOP);
15622: xms_device->next_driver.w.l = 0xffff;
15623: xms_device->next_driver.w.h = 0xffff;
15624: xms_device->attributes = 0xc000;
1.1.1.29 root 15625: xms_device->strategy = XMS_SIZE - sizeof(dummy_device_routine);
15626: xms_device->interrupt = XMS_SIZE - sizeof(dummy_device_routine) + 6;
1.1.1.25 root 15627: memcpy(xms_device->dev_name, "EMMXXXX0", 8);
15628:
1.1.1.26 root 15629: mem[XMS_TOP + 0x12] = 0xcd; // int 68h (dummy)
15630: mem[XMS_TOP + 0x13] = 0x68;
15631: mem[XMS_TOP + 0x14] = 0xcf; // iret
1.1.1.19 root 15632: #ifdef SUPPORT_XMS
15633: if(support_xms) {
1.1.1.26 root 15634: mem[XMS_TOP + 0x15] = 0xcd; // int 69h (dummy)
15635: mem[XMS_TOP + 0x16] = 0x69;
15636: mem[XMS_TOP + 0x17] = 0xcb; // retf
1.1.1.19 root 15637: } else
15638: #endif
1.1.1.26 root 15639: mem[XMS_TOP + 0x15] = 0xcb; // retf
1.1.1.29 root 15640: memcpy(mem + XMS_TOP + XMS_SIZE - sizeof(dummy_device_routine), dummy_device_routine, sizeof(dummy_device_routine));
1.1.1.19 root 15641:
1.1.1.26 root 15642: // irq12 routine (mouse)
1.1.1.24 root 15643: mem[0xfffd0 + 0x00] = 0xcd; // int 6ah (dummy)
15644: mem[0xfffd0 + 0x01] = 0x6a;
15645: mem[0xfffd0 + 0x02] = 0x9a; // call far mouse
15646: mem[0xfffd0 + 0x03] = 0xff;
15647: mem[0xfffd0 + 0x04] = 0xff;
15648: mem[0xfffd0 + 0x05] = 0xff;
15649: mem[0xfffd0 + 0x06] = 0xff;
15650: mem[0xfffd0 + 0x07] = 0xcd; // int 6bh (dummy)
15651: mem[0xfffd0 + 0x08] = 0x6b;
15652: mem[0xfffd0 + 0x09] = 0xcf; // iret
15653:
1.1.1.27 root 15654: // case map routine
15655: mem[0xfffd0 + 0x0a] = 0xcd; // int 6ch (dummy)
15656: mem[0xfffd0 + 0x0b] = 0x6c;
15657: mem[0xfffd0 + 0x0c] = 0xcb; // retf
15658:
15659: // font read routine
15660: mem[0xfffd0 + 0x0d] = 0xcd; // int 6dh (dummy)
15661: mem[0xfffd0 + 0x0e] = 0x6d;
15662: mem[0xfffd0 + 0x0f] = 0xcb; // retf
1.1.1.19 root 15663:
1.1.1.32 root 15664: // error message read routine
15665: mem[0xfffd0 + 0x10] = 0xcd; // int 6eh (dummy)
15666: mem[0xfffd0 + 0x11] = 0x6e;
15667: mem[0xfffd0 + 0x12] = 0xcb; // retf
15668:
1.1.1.35 root 15669: // dummy loop to wait BIOS/DOS service is done
15670: mem[0xfffd0 + 0x13] = 0xe6; // out f7h, al
15671: mem[0xfffd0 + 0x14] = 0xf7;
15672: mem[0xfffd0 + 0x15] = 0x78; // js/jns -4
15673: mem[0xfffd0 + 0x16] = 0xfc;
15674: mem[0xfffd0 + 0x17] = 0xcb; // retf
15675:
1.1.1.26 root 15676: // irq0 routine (system time)
1.1.1.35 root 15677: mem[0xfffd0 + 0x18] = 0xcd; // int 1ch
15678: mem[0xfffd0 + 0x19] = 0x1c;
15679: mem[0xfffd0 + 0x1a] = 0xea; // jmp far (IRET_TOP >> 4):0008
15680: mem[0xfffd0 + 0x1b] = 0x08;
15681: mem[0xfffd0 + 0x1c] = 0x00;
15682: mem[0xfffd0 + 0x1d] = ((IRET_TOP >> 4) ) & 0xff;
15683: mem[0xfffd0 + 0x1e] = ((IRET_TOP >> 4) >> 8) & 0xff;
1.1.1.14 root 15684:
1.1.1.26 root 15685: // boot routine
1.1 root 15686: mem[0xffff0] = 0xf4; // halt
15687: mem[0xffff1] = 0xcd; // int 21h
15688: mem[0xffff2] = 0x21;
15689: mem[0xffff3] = 0xcb; // retf
15690:
1.1.1.24 root 15691: mem[0xffff5] = '0'; // rom date
15692: mem[0xffff6] = '2';
15693: mem[0xffff7] = '/';
15694: mem[0xffff8] = '2';
15695: mem[0xffff9] = '2';
15696: mem[0xffffa] = '/';
15697: mem[0xffffb] = '0';
15698: mem[0xffffc] = '6';
15699: mem[0xffffe] = 0xfc; // machine id
15700: mem[0xfffff] = 0x00;
15701:
1.1 root 15702: // param block
15703: // + 0: param block (22bytes)
15704: // +24: fcb1/2 (20bytes)
15705: // +44: command tail (128bytes)
15706: param_block_t *param = (param_block_t *)(mem + WORK_TOP);
15707: param->env_seg = 0;
15708: param->cmd_line.w.l = 44;
15709: param->cmd_line.w.h = (WORK_TOP >> 4);
15710: param->fcb1.w.l = 24;
15711: param->fcb1.w.h = (WORK_TOP >> 4);
15712: param->fcb2.w.l = 24;
15713: param->fcb2.w.h = (WORK_TOP >> 4);
15714:
15715: memset(mem + WORK_TOP + 24, 0x20, 20);
15716:
15717: cmd_line_t *cmd_line = (cmd_line_t *)(mem + WORK_TOP + 44);
15718: if(argc > 1) {
15719: sprintf(cmd_line->cmd, " %s", argv[1]);
15720: for(int i = 2; i < argc; i++) {
15721: char tmp[128];
15722: sprintf(tmp, "%s %s", cmd_line->cmd, argv[i]);
15723: strcpy(cmd_line->cmd, tmp);
15724: }
15725: cmd_line->len = (UINT8)strlen(cmd_line->cmd);
15726: } else {
15727: cmd_line->len = 0;
15728: }
15729: cmd_line->cmd[cmd_line->len] = 0x0d;
15730:
15731: // system file table
1.1.1.21 root 15732: *(UINT32 *)(mem + SFT_TOP + 0) = 0xffffffff;
15733: *(UINT16 *)(mem + SFT_TOP + 4) = 20;
1.1 root 15734:
1.1.1.19 root 15735: // disk buffer header (from DOSBox)
15736: *(UINT16 *)(mem + DISK_BUF_TOP + 0) = 0xffff; // forward ptr
15737: *(UINT16 *)(mem + DISK_BUF_TOP + 2) = 0xffff; // backward ptr
15738: *(UINT8 *)(mem + DISK_BUF_TOP + 4) = 0xff; // not in use
15739: *(UINT8 *)(mem + DISK_BUF_TOP + 10) = 0x01; // number of FATs
15740: *(UINT32 *)(mem + DISK_BUF_TOP + 13) = 0xffffffff; // pointer to DPB
15741:
1.1 root 15742: // current directory structure
15743: msdos_cds_update(_getdrive() - 1);
15744:
15745: // fcb table
15746: *(UINT32 *)(mem + FCB_TABLE_TOP + 0) = 0xffffffff;
1.1.1.14 root 15747: *(UINT16 *)(mem + FCB_TABLE_TOP + 4) = 0;
1.1 root 15748:
1.1.1.17 root 15749: // nls stuff
15750: msdos_nls_tables_init();
1.1 root 15751:
15752: // execute command
1.1.1.28 root 15753: try {
15754: if(msdos_process_exec(argv[0], param, 0)) {
15755: fatalerror("'%s' not found\n", argv[0]);
15756: }
15757: } catch(...) {
15758: // we should not reach here :-(
15759: fatalerror("failed to start '%s' because of unexpected exeption\n", argv[0]);
1.1 root 15760: }
15761: retval = 0;
15762: return(0);
15763: }
15764:
15765: #define remove_std_file(path) { \
15766: int fd = _open(path, _O_RDONLY | _O_BINARY); \
15767: if(fd != -1) { \
15768: _lseek(fd, 0, SEEK_END); \
15769: int size = _tell(fd); \
15770: _close(fd); \
15771: if(size == 0) { \
15772: remove(path); \
15773: } \
15774: } \
15775: }
15776:
15777: void msdos_finish()
15778: {
15779: for(int i = 0; i < MAX_FILES; i++) {
15780: if(file_handler[i].valid) {
15781: _close(i);
15782: }
15783: }
1.1.1.21 root 15784: #ifdef MAP_AUX_DEVICE_TO_FILE
1.1 root 15785: remove_std_file("stdaux.txt");
1.1.1.21 root 15786: #endif
1.1.1.30 root 15787: #ifdef SUPPORT_XMS
15788: msdos_xms_finish();
15789: #endif
1.1 root 15790: msdos_dbcs_table_finish();
15791: }
15792:
15793: /* ----------------------------------------------------------------------------
15794: PC/AT hardware emulation
15795: ---------------------------------------------------------------------------- */
15796:
15797: void hardware_init()
15798: {
1.1.1.3 root 15799: CPU_INIT_CALL(CPU_MODEL);
1.1 root 15800: CPU_RESET_CALL(CPU_MODEL);
1.1.1.14 root 15801: m_IF = 1;
1.1.1.3 root 15802: #if defined(HAS_I386)
1.1 root 15803: cpu_type = (REG32(EDX) >> 8) & 0x0f;
15804: cpu_step = (REG32(EDX) >> 0) & 0x0f;
1.1.1.3 root 15805: #endif
15806: i386_set_a20_line(0);
1.1.1.14 root 15807:
1.1.1.19 root 15808: ems_init();
1.1.1.25 root 15809: dma_init();
1.1 root 15810: pic_init();
1.1.1.25 root 15811: pio_init();
1.1.1.8 root 15812: #ifdef PIT_ALWAYS_RUNNING
15813: pit_init();
15814: #else
1.1 root 15815: pit_active = 0;
15816: #endif
1.1.1.25 root 15817: sio_init();
1.1.1.8 root 15818: cmos_init();
15819: kbd_init();
1.1 root 15820: }
15821:
1.1.1.10 root 15822: void hardware_finish()
15823: {
15824: #if defined(HAS_I386)
15825: vtlb_free(m_vtlb);
15826: #endif
1.1.1.19 root 15827: ems_finish();
1.1.1.37 root 15828: pio_finish();
1.1.1.25 root 15829: sio_finish();
1.1.1.10 root 15830: }
15831:
1.1.1.28 root 15832: void hardware_release()
15833: {
15834: // release hardware resources when this program will be terminated abnormally
15835: #ifdef EXPORT_DEBUG_TO_FILE
1.1.1.33 root 15836: if(fp_debug_log != NULL) {
15837: fclose(fp_debug_log);
15838: fp_debug_log = NULL;
1.1.1.28 root 15839: }
15840: #endif
15841: #if defined(HAS_I386)
15842: vtlb_free(m_vtlb);
15843: #endif
15844: ems_release();
1.1.1.37 root 15845: pio_release();
1.1.1.28 root 15846: sio_release();
15847: }
15848:
1.1 root 15849: void hardware_run()
15850: {
1.1.1.22 root 15851: #ifdef EXPORT_DEBUG_TO_FILE
1.1.1.28 root 15852: // open debug log file after msdos_init() is done not to use the standard file handlers
1.1.1.33 root 15853: fp_debug_log = fopen("debug.log", "w");
1.1.1.22 root 15854: #endif
1.1.1.3 root 15855: while(!m_halted) {
15856: #if defined(HAS_I386)
1.1 root 15857: CPU_EXECUTE_CALL(i386);
1.1.1.14 root 15858: if(m_eip != m_prev_eip) {
1.1.1.35 root 15859: idle_ops++;
15860: }
1.1.1.14 root 15861: #else
1.1.1.35 root 15862: CPU_EXECUTE_CALL(CPU_MODEL);
1.1.1.14 root 15863: if(m_pc != m_prevpc) {
1.1.1.35 root 15864: idle_ops++;
1.1.1.14 root 15865: }
1.1.1.35 root 15866: #endif
15867: if(++update_ops == UPDATE_OPS) {
1.1 root 15868: hardware_update();
1.1.1.35 root 15869: update_ops = 0;
1.1 root 15870: }
15871: }
1.1.1.22 root 15872: #ifdef EXPORT_DEBUG_TO_FILE
1.1.1.33 root 15873: if(fp_debug_log != NULL) {
15874: fclose(fp_debug_log);
15875: fp_debug_log = NULL;
1.1.1.28 root 15876: }
1.1.1.22 root 15877: #endif
1.1 root 15878: }
15879:
15880: void hardware_update()
15881: {
1.1.1.8 root 15882: static UINT32 prev_time = 0;
15883: UINT32 cur_time = timeGetTime();
15884:
15885: if(prev_time != cur_time) {
15886: // update pit and raise irq0
15887: #ifndef PIT_ALWAYS_RUNNING
15888: if(pit_active)
15889: #endif
15890: {
15891: if(pit_run(0, cur_time)) {
15892: pic_req(0, 0, 1);
15893: }
15894: pit_run(1, cur_time);
15895: pit_run(2, cur_time);
15896: }
1.1.1.24 root 15897:
1.1.1.25 root 15898: // update sio and raise irq4/3
1.1.1.29 root 15899: for(int c = 0; c < 4; c++) {
1.1.1.25 root 15900: sio_update(c);
15901: }
15902:
1.1.1.24 root 15903: // update keyboard and mouse
1.1.1.14 root 15904: static UINT32 prev_tick = 0;
15905: UINT32 cur_tick = cur_time / 32;
1.1.1.25 root 15906:
1.1.1.14 root 15907: if(prev_tick != cur_tick) {
15908: // update keyboard flags
15909: UINT8 state;
1.1.1.24 root 15910: state = (GetAsyncKeyState(VK_INSERT ) & 0x0001) ? 0x80 : 0;
15911: state |= (GetAsyncKeyState(VK_CAPITAL ) & 0x0001) ? 0x40 : 0;
15912: state |= (GetAsyncKeyState(VK_NUMLOCK ) & 0x0001) ? 0x20 : 0;
15913: state |= (GetAsyncKeyState(VK_SCROLL ) & 0x0001) ? 0x10 : 0;
15914: state |= (GetAsyncKeyState(VK_MENU ) & 0x8000) ? 0x08 : 0;
15915: state |= (GetAsyncKeyState(VK_CONTROL ) & 0x8000) ? 0x04 : 0;
15916: state |= (GetAsyncKeyState(VK_LSHIFT ) & 0x8000) ? 0x02 : 0;
15917: state |= (GetAsyncKeyState(VK_RSHIFT ) & 0x8000) ? 0x01 : 0;
1.1.1.14 root 15918: mem[0x417] = state;
15919: state = (GetAsyncKeyState(VK_INSERT ) & 0x8000) ? 0x80 : 0;
15920: state |= (GetAsyncKeyState(VK_CAPITAL ) & 0x8000) ? 0x40 : 0;
15921: state |= (GetAsyncKeyState(VK_NUMLOCK ) & 0x8000) ? 0x20 : 0;
15922: state |= (GetAsyncKeyState(VK_SCROLL ) & 0x8000) ? 0x10 : 0;
1.1.1.24 root 15923: // state |= (GetAsyncKeyState(VK_PAUSE ) & 0x0001) ? 0x08 : 0;
15924: // state |= (GetAsyncKeyState(VK_SYSREQ ) & 0x8000) ? 0x04 : 0;
1.1.1.14 root 15925: state |= (GetAsyncKeyState(VK_LMENU ) & 0x8000) ? 0x02 : 0;
15926: state |= (GetAsyncKeyState(VK_LCONTROL) & 0x8000) ? 0x01 : 0;
15927: mem[0x418] = state;
15928:
1.1.1.24 root 15929: // update console input if needed
1.1.1.34 root 15930: if(!key_changed || mouse.hidden == 0) {
1.1.1.24 root 15931: update_console_input();
15932: }
15933:
15934: // raise irq1 if key is pressed/released
15935: if(key_changed) {
1.1.1.8 root 15936: pic_req(0, 1, 1);
1.1.1.24 root 15937: key_changed = false;
15938: }
15939:
15940: // raise irq12 if mouse status is changed
15941: if(mouse.status & mouse.call_mask) {
1.1.1.34 root 15942: // if(mouse.hidden == 0) {
1.1.1.24 root 15943: pic_req(1, 4, 1);
15944: mouse.status_irq = mouse.status & mouse.call_mask;
1.1.1.34 root 15945: // }
1.1.1.24 root 15946: mouse.status &= ~mouse.call_mask;
1.1.1.8 root 15947: }
1.1.1.24 root 15948:
1.1.1.14 root 15949: prev_tick = cur_tick;
1.1.1.8 root 15950: }
1.1.1.24 root 15951:
1.1.1.19 root 15952: // update daily timer counter
15953: pcbios_update_daily_timer_counter(cur_time);
1.1.1.25 root 15954:
1.1.1.8 root 15955: prev_time = cur_time;
1.1 root 15956: }
15957: }
15958:
1.1.1.19 root 15959: // ems
15960:
15961: void ems_init()
15962: {
15963: memset(ems_handles, 0, sizeof(ems_handles));
15964: memset(ems_pages, 0, sizeof(ems_pages));
15965: free_ems_pages = MAX_EMS_PAGES;
15966: }
15967:
15968: void ems_finish()
15969: {
1.1.1.28 root 15970: ems_release();
15971: }
15972:
15973: void ems_release()
15974: {
1.1.1.31 root 15975: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.28 root 15976: if(ems_handles[i].buffer != NULL) {
1.1.1.19 root 15977: free(ems_handles[i].buffer);
15978: ems_handles[i].buffer = NULL;
15979: }
15980: }
15981: }
15982:
15983: void ems_allocate_pages(int handle, int pages)
15984: {
15985: if(pages > 0) {
15986: ems_handles[handle].buffer = (UINT8 *)calloc(1, 0x4000 * pages);
15987: } else {
15988: ems_handles[handle].buffer = NULL;
15989: }
15990: ems_handles[handle].pages = pages;
15991: ems_handles[handle].allocated = true;
15992: free_ems_pages -= pages;
15993: }
15994:
15995: void ems_reallocate_pages(int handle, int pages)
15996: {
15997: if(ems_handles[handle].allocated) {
15998: if(ems_handles[handle].pages != pages) {
15999: UINT8 *new_buffer = NULL;
16000:
16001: if(pages > 0) {
16002: new_buffer = (UINT8 *)calloc(1, 0x4000 * pages);
16003: }
1.1.1.32 root 16004: if(ems_handles[handle].buffer != NULL) {
16005: if(new_buffer != NULL) {
1.1.1.19 root 16006: if(pages > ems_handles[handle].pages) {
16007: memcpy(new_buffer, ems_handles[handle].buffer, 0x4000 * ems_handles[handle].pages);
16008: } else {
16009: memcpy(new_buffer, ems_handles[handle].buffer, 0x4000 * pages);
16010: }
16011: }
16012: free(ems_handles[handle].buffer);
16013: ems_handles[handle].buffer = NULL;
16014: }
16015: free_ems_pages += ems_handles[handle].pages;
16016:
16017: ems_handles[handle].buffer = new_buffer;
16018: ems_handles[handle].pages = pages;
16019: free_ems_pages -= pages;
16020: }
16021: } else {
16022: ems_allocate_pages(handle, pages);
16023: }
16024: }
16025:
16026: void ems_release_pages(int handle)
16027: {
16028: if(ems_handles[handle].allocated) {
1.1.1.32 root 16029: if(ems_handles[handle].buffer != NULL) {
1.1.1.19 root 16030: free(ems_handles[handle].buffer);
16031: ems_handles[handle].buffer = NULL;
16032: }
16033: free_ems_pages += ems_handles[handle].pages;
16034: ems_handles[handle].allocated = false;
16035: }
16036: }
16037:
16038: void ems_map_page(int physical, int handle, int logical)
16039: {
16040: if(ems_pages[physical].mapped) {
16041: if(ems_pages[physical].handle == handle && ems_pages[physical].page == logical) {
16042: return;
16043: }
16044: ems_unmap_page(physical);
16045: }
1.1.1.32 root 16046: if(ems_handles[handle].allocated && ems_handles[handle].buffer != NULL && logical < ems_handles[handle].pages) {
1.1.1.19 root 16047: memcpy(mem + EMS_TOP + 0x4000 * physical, ems_handles[handle].buffer + 0x4000 * logical, 0x4000);
16048: }
16049: ems_pages[physical].handle = handle;
16050: ems_pages[physical].page = logical;
16051: ems_pages[physical].mapped = true;
16052: }
16053:
16054: void ems_unmap_page(int physical)
16055: {
16056: if(ems_pages[physical].mapped) {
16057: int handle = ems_pages[physical].handle;
16058: int logical = ems_pages[physical].page;
16059:
1.1.1.32 root 16060: if(ems_handles[handle].allocated && ems_handles[handle].buffer != NULL && logical < ems_handles[handle].pages) {
1.1.1.19 root 16061: memcpy(ems_handles[handle].buffer + 0x4000 * logical, mem + EMS_TOP + 0x4000 * physical, 0x4000);
16062: }
16063: ems_pages[physical].mapped = false;
16064: }
16065: }
16066:
1.1.1.25 root 16067: // dma
1.1 root 16068:
1.1.1.25 root 16069: void dma_init()
1.1 root 16070: {
1.1.1.26 root 16071: memset(dma, 0, sizeof(dma));
1.1.1.25 root 16072: for(int c = 0; c < 2; c++) {
1.1.1.26 root 16073: // for(int ch = 0; ch < 4; ch++) {
16074: // dma[c].ch[ch].creg.w = dma[c].ch[ch].bcreg.w = 0xffff;
16075: // }
1.1.1.25 root 16076: dma_reset(c);
16077: }
1.1 root 16078: }
16079:
1.1.1.25 root 16080: void dma_reset(int c)
1.1 root 16081: {
1.1.1.25 root 16082: dma[c].low_high = false;
16083: dma[c].cmd = dma[c].req = dma[c].tc = 0;
16084: dma[c].mask = 0xff;
16085: }
16086:
16087: void dma_write(int c, UINT32 addr, UINT8 data)
16088: {
16089: int ch = (addr >> 1) & 3;
16090: UINT8 bit = 1 << (data & 3);
16091:
16092: switch(addr & 0x0f) {
16093: case 0x00: case 0x02: case 0x04: case 0x06:
16094: if(dma[c].low_high) {
16095: dma[c].ch[ch].bareg.b.h = data;
1.1 root 16096: } else {
1.1.1.25 root 16097: dma[c].ch[ch].bareg.b.l = data;
16098: }
16099: dma[c].ch[ch].areg.w = dma[c].ch[ch].bareg.w;
16100: dma[c].low_high = !dma[c].low_high;
16101: break;
16102: case 0x01: case 0x03: case 0x05: case 0x07:
16103: if(dma[c].low_high) {
16104: dma[c].ch[ch].bcreg.b.h = data;
16105: } else {
16106: dma[c].ch[ch].bcreg.b.l = data;
16107: }
16108: dma[c].ch[ch].creg.w = dma[c].ch[ch].bcreg.w;
16109: dma[c].low_high = !dma[c].low_high;
16110: break;
16111: case 0x08:
16112: // command register
16113: dma[c].cmd = data;
16114: break;
16115: case 0x09:
16116: // dma[c].request register
16117: if(data & 4) {
16118: if(!(dma[c].req & bit)) {
16119: dma[c].req |= bit;
16120: // dma_run(c, ch);
16121: }
16122: } else {
16123: dma[c].req &= ~bit;
16124: }
16125: break;
16126: case 0x0a:
16127: // single mask register
16128: if(data & 4) {
16129: dma[c].mask |= bit;
16130: } else {
16131: dma[c].mask &= ~bit;
16132: }
16133: break;
16134: case 0x0b:
16135: // mode register
16136: dma[c].ch[data & 3].mode = data;
16137: break;
16138: case 0x0c:
16139: dma[c].low_high = false;
16140: break;
16141: case 0x0d:
16142: // clear master
16143: dma_reset(c);
16144: break;
16145: case 0x0e:
16146: // clear mask register
16147: dma[c].mask = 0;
16148: break;
16149: case 0x0f:
16150: // all mask register
16151: dma[c].mask = data & 0x0f;
16152: break;
16153: }
16154: }
16155:
16156: UINT8 dma_read(int c, UINT32 addr)
16157: {
16158: int ch = (addr >> 1) & 3;
16159: UINT8 val = 0xff;
16160:
16161: switch(addr & 0x0f) {
16162: case 0x00: case 0x02: case 0x04: case 0x06:
16163: if(dma[c].low_high) {
16164: val = dma[c].ch[ch].areg.b.h;
16165: } else {
16166: val = dma[c].ch[ch].areg.b.l;
16167: }
16168: dma[c].low_high = !dma[c].low_high;
16169: return(val);
16170: case 0x01: case 0x03: case 0x05: case 0x07:
16171: if(dma[c].low_high) {
16172: val = dma[c].ch[ch].creg.b.h;
16173: } else {
16174: val = dma[c].ch[ch].creg.b.l;
16175: }
16176: dma[c].low_high = !dma[c].low_high;
16177: return(val);
16178: case 0x08:
16179: // status register
16180: val = (dma[c].req << 4) | dma[c].tc;
16181: dma[c].tc = 0;
16182: return(val);
16183: case 0x0d:
1.1.1.26 root 16184: // temporary register (intel 82374 does not support)
1.1.1.25 root 16185: return(dma[c].tmp & 0xff);
1.1.1.26 root 16186: case 0x0f:
16187: // mask register (intel 82374 does support)
16188: return(dma[c].mask);
1.1.1.25 root 16189: }
16190: return(0xff);
16191: }
16192:
16193: void dma_page_write(int c, int ch, UINT8 data)
16194: {
16195: dma[c].ch[ch].pagereg = data;
16196: }
16197:
16198: UINT8 dma_page_read(int c, int ch)
16199: {
16200: return(dma[c].ch[ch].pagereg);
16201: }
16202:
16203: void dma_run(int c, int ch)
16204: {
16205: UINT8 bit = 1 << ch;
16206:
16207: if((dma[c].req & bit) && !(dma[c].mask & bit)) {
16208: // execute dma
16209: while(dma[c].req & bit) {
16210: if(ch == 0 && (dma[c].cmd & 0x01)) {
16211: // memory -> memory
16212: UINT32 saddr = dma[c].ch[0].areg.w | (dma[c].ch[0].pagereg << 16);
16213: UINT32 daddr = dma[c].ch[1].areg.w | (dma[c].ch[1].pagereg << 16);
16214:
16215: if(c == 0) {
16216: dma[c].tmp = read_byte(saddr);
16217: write_byte(daddr, dma[c].tmp);
16218: } else {
16219: dma[c].tmp = read_word(saddr << 1);
16220: write_word(daddr << 1, dma[c].tmp);
16221: }
16222: if(!(dma[c].cmd & 0x02)) {
16223: if(dma[c].ch[0].mode & 0x20) {
16224: dma[c].ch[0].areg.w--;
16225: if(dma[c].ch[0].areg.w == 0xffff) {
16226: dma[c].ch[0].pagereg--;
16227: }
16228: } else {
16229: dma[c].ch[0].areg.w++;
16230: if(dma[c].ch[0].areg.w == 0) {
16231: dma[c].ch[0].pagereg++;
16232: }
16233: }
16234: }
16235: if(dma[c].ch[1].mode & 0x20) {
16236: dma[c].ch[1].areg.w--;
16237: if(dma[c].ch[1].areg.w == 0xffff) {
16238: dma[c].ch[1].pagereg--;
16239: }
16240: } else {
16241: dma[c].ch[1].areg.w++;
16242: if(dma[c].ch[1].areg.w == 0) {
16243: dma[c].ch[1].pagereg++;
16244: }
16245: }
16246:
16247: // check dma condition
16248: if(dma[c].ch[0].creg.w-- == 0) {
16249: if(dma[c].ch[0].mode & 0x10) {
16250: // self initialize
16251: dma[c].ch[0].areg.w = dma[c].ch[0].bareg.w;
16252: dma[c].ch[0].creg.w = dma[c].ch[0].bcreg.w;
16253: } else {
16254: // dma[c].mask |= bit;
16255: }
16256: }
16257: if(dma[c].ch[1].creg.w-- == 0) {
16258: // terminal count
16259: if(dma[c].ch[1].mode & 0x10) {
16260: // self initialize
16261: dma[c].ch[1].areg.w = dma[c].ch[1].bareg.w;
16262: dma[c].ch[1].creg.w = dma[c].ch[1].bcreg.w;
16263: } else {
16264: dma[c].mask |= bit;
16265: }
16266: dma[c].req &= ~bit;
16267: dma[c].tc |= bit;
16268: }
16269: } else {
16270: UINT32 addr = dma[c].ch[ch].areg.w | (dma[c].ch[ch].pagereg << 16);
16271:
16272: if((dma[c].ch[ch].mode & 0x0c) == 0x00) {
16273: // verify
16274: } else if((dma[c].ch[ch].mode & 0x0c) == 0x04) {
16275: // io -> memory
16276: if(c == 0) {
16277: dma[c].tmp = read_io_byte(dma[c].ch[ch].port);
16278: write_byte(addr, dma[c].tmp);
16279: } else {
16280: dma[c].tmp = read_io_word(dma[c].ch[ch].port);
16281: write_word(addr << 1, dma[c].tmp);
16282: }
16283: } else if((dma[c].ch[ch].mode & 0x0c) == 0x08) {
16284: // memory -> io
16285: if(c == 0) {
16286: dma[c].tmp = read_byte(addr);
16287: write_io_byte(dma[c].ch[ch].port, dma[c].tmp);
16288: } else {
16289: dma[c].tmp = read_word(addr << 1);
16290: write_io_word(dma[c].ch[ch].port, dma[c].tmp);
16291: }
16292: }
16293: if(dma[c].ch[ch].mode & 0x20) {
16294: dma[c].ch[ch].areg.w--;
16295: if(dma[c].ch[ch].areg.w == 0xffff) {
16296: dma[c].ch[ch].pagereg--;
16297: }
16298: } else {
16299: dma[c].ch[ch].areg.w++;
16300: if(dma[c].ch[ch].areg.w == 0) {
16301: dma[c].ch[ch].pagereg++;
16302: }
16303: }
16304:
16305: // check dma condition
16306: if(dma[c].ch[ch].creg.w-- == 0) {
16307: // terminal count
16308: if(dma[c].ch[ch].mode & 0x10) {
16309: // self initialize
16310: dma[c].ch[ch].areg.w = dma[c].ch[ch].bareg.w;
16311: dma[c].ch[ch].creg.w = dma[c].ch[ch].bcreg.w;
16312: } else {
16313: dma[c].mask |= bit;
16314: }
16315: dma[c].req &= ~bit;
16316: dma[c].tc |= bit;
16317: } else if((dma[c].ch[ch].mode & 0xc0) == 0x40) {
16318: // single mode
16319: break;
16320: }
16321: }
16322: }
16323: }
16324: }
16325:
16326: // pic
16327:
16328: void pic_init()
16329: {
16330: memset(pic, 0, sizeof(pic));
16331: pic[0].imr = pic[1].imr = 0xff;
16332:
16333: // from bochs bios
16334: pic_write(0, 0, 0x11); // icw1 = 11h
16335: pic_write(0, 1, 0x08); // icw2 = 08h
16336: pic_write(0, 1, 0x04); // icw3 = 04h
16337: pic_write(0, 1, 0x01); // icw4 = 01h
16338: pic_write(0, 1, 0xb8); // ocw1 = b8h
16339: pic_write(1, 0, 0x11); // icw1 = 11h
16340: pic_write(1, 1, 0x70); // icw2 = 70h
16341: pic_write(1, 1, 0x02); // icw3 = 02h
16342: pic_write(1, 1, 0x01); // icw4 = 01h
16343: }
16344:
16345: void pic_write(int c, UINT32 addr, UINT8 data)
16346: {
16347: if(addr & 1) {
16348: if(pic[c].icw2_r) {
16349: // icw2
16350: pic[c].icw2 = data;
16351: pic[c].icw2_r = 0;
16352: } else if(pic[c].icw3_r) {
16353: // icw3
16354: pic[c].icw3 = data;
16355: pic[c].icw3_r = 0;
16356: } else if(pic[c].icw4_r) {
16357: // icw4
16358: pic[c].icw4 = data;
16359: pic[c].icw4_r = 0;
16360: } else {
16361: // ocw1
1.1 root 16362: pic[c].imr = data;
16363: }
16364: } else {
16365: if(data & 0x10) {
16366: // icw1
16367: pic[c].icw1 = data;
16368: pic[c].icw2_r = 1;
16369: pic[c].icw3_r = (data & 2) ? 0 : 1;
16370: pic[c].icw4_r = data & 1;
16371: pic[c].irr = 0;
16372: pic[c].isr = 0;
16373: pic[c].imr = 0;
16374: pic[c].prio = 0;
16375: if(!(pic[c].icw1 & 1)) {
16376: pic[c].icw4 = 0;
16377: }
16378: pic[c].ocw3 = 0;
16379: } else if(data & 8) {
16380: // ocw3
16381: if(!(data & 2)) {
16382: data = (data & ~1) | (pic[c].ocw3 & 1);
16383: }
16384: if(!(data & 0x40)) {
16385: data = (data & ~0x20) | (pic[c].ocw3 & 0x20);
16386: }
16387: pic[c].ocw3 = data;
16388: } else {
16389: // ocw2
16390: int level = 0;
16391: if(data & 0x40) {
16392: level = data & 7;
16393: } else {
16394: if(!pic[c].isr) {
16395: return;
16396: }
16397: level = pic[c].prio;
16398: while(!(pic[c].isr & (1 << level))) {
16399: level = (level + 1) & 7;
16400: }
16401: }
16402: if(data & 0x80) {
16403: pic[c].prio = (level + 1) & 7;
16404: }
16405: if(data & 0x20) {
16406: pic[c].isr &= ~(1 << level);
16407: }
16408: }
16409: }
16410: pic_update();
16411: }
16412:
16413: UINT8 pic_read(int c, UINT32 addr)
16414: {
16415: if(addr & 1) {
16416: return(pic[c].imr);
16417: } else {
16418: // polling mode is not supported...
16419: //if(pic[c].ocw3 & 4) {
16420: // return ???;
16421: //}
16422: if(pic[c].ocw3 & 1) {
16423: return(pic[c].isr);
16424: } else {
16425: return(pic[c].irr);
16426: }
16427: }
16428: }
16429:
16430: void pic_req(int c, int level, int signal)
16431: {
16432: if(signal) {
16433: pic[c].irr |= (1 << level);
16434: } else {
16435: pic[c].irr &= ~(1 << level);
16436: }
16437: pic_update();
16438: }
16439:
16440: int pic_ack()
16441: {
16442: // ack (INTA=L)
16443: pic[pic_req_chip].isr |= pic_req_bit;
16444: pic[pic_req_chip].irr &= ~pic_req_bit;
16445: if(pic_req_chip > 0) {
16446: // update isr and irr of master
16447: UINT8 slave = 1 << (pic[pic_req_chip].icw3 & 7);
16448: pic[pic_req_chip - 1].isr |= slave;
16449: pic[pic_req_chip - 1].irr &= ~slave;
16450: }
16451: //if(pic[pic_req_chip].icw4 & 1) {
16452: // 8086 mode
16453: int vector = (pic[pic_req_chip].icw2 & 0xf8) | pic_req_level;
16454: //} else {
16455: // // 8080 mode
16456: // UINT16 addr = (UINT16)pic[pic_req_chip].icw2 << 8;
16457: // if(pic[pic_req_chip].icw1 & 4) {
16458: // addr |= (pic[pic_req_chip].icw1 & 0xe0) | (pic_req_level << 2);
16459: // } else {
16460: // addr |= (pic[pic_req_chip].icw1 & 0xc0) | (pic_req_level << 3);
16461: // }
16462: // vector = 0xcd | (addr << 8);
16463: //}
16464: if(pic[pic_req_chip].icw4 & 2) {
16465: // auto eoi
16466: pic[pic_req_chip].isr &= ~pic_req_bit;
16467: }
16468: return(vector);
16469: }
16470:
16471: void pic_update()
16472: {
16473: for(int c = 0; c < 2; c++) {
16474: UINT8 irr = pic[c].irr;
16475: if(c + 1 < 2) {
16476: // this is master
16477: if(pic[c + 1].irr & (~pic[c + 1].imr)) {
16478: // request from slave
16479: irr |= 1 << (pic[c + 1].icw3 & 7);
16480: }
16481: }
16482: irr &= (~pic[c].imr);
16483: if(!irr) {
16484: break;
16485: }
16486: if(!(pic[c].ocw3 & 0x20)) {
16487: irr |= pic[c].isr;
16488: }
16489: int level = pic[c].prio;
16490: UINT8 bit = 1 << level;
16491: while(!(irr & bit)) {
16492: level = (level + 1) & 7;
16493: bit = 1 << level;
16494: }
16495: if((c + 1 < 2) && (pic[c].icw3 & bit)) {
16496: // check slave
16497: continue;
16498: }
16499: if(pic[c].isr & bit) {
16500: break;
16501: }
16502: // interrupt request
16503: pic_req_chip = c;
16504: pic_req_level = level;
16505: pic_req_bit = bit;
1.1.1.3 root 16506: i386_set_irq_line(INPUT_LINE_IRQ, HOLD_LINE);
1.1 root 16507: return;
16508: }
1.1.1.3 root 16509: i386_set_irq_line(INPUT_LINE_IRQ, CLEAR_LINE);
1.1.1.2 root 16510: }
1.1 root 16511:
1.1.1.25 root 16512: // pio
16513:
16514: void pio_init()
16515: {
1.1.1.38 root 16516: // bool conv_mode = (GetConsoleCP() == 932);
16517:
1.1.1.26 root 16518: memset(pio, 0, sizeof(pio));
1.1.1.37 root 16519:
1.1.1.25 root 16520: for(int c = 0; c < 2; c++) {
1.1.1.37 root 16521: pio[c].stat = 0xdf;
1.1.1.25 root 16522: pio[c].ctrl = 0x0c;
1.1.1.38 root 16523: // pio[c].conv_mode = conv_mode;
1.1.1.25 root 16524: }
16525: }
16526:
1.1.1.37 root 16527: void pio_finish()
16528: {
16529: pio_release();
16530: }
16531:
16532: void pio_release()
16533: {
16534: for(int c = 0; c < 2; c++) {
16535: if(pio[c].fp != NULL) {
1.1.1.38 root 16536: if(pio[c].jis_mode) {
16537: fputc(0x1c, pio[c].fp);
16538: fputc(0x2e, pio[c].fp);
16539: }
1.1.1.37 root 16540: fclose(pio[c].fp);
16541: pio[c].fp = NULL;
16542: }
16543: }
16544: }
16545:
1.1.1.25 root 16546: void pio_write(int c, UINT32 addr, UINT8 data)
16547: {
16548: switch(addr & 3) {
16549: case 0:
16550: pio[c].data = data;
16551: break;
16552: case 2:
1.1.1.37 root 16553: if((pio[c].ctrl & 0x01) && !(data & 0x01)) {
16554: // strobe H -> L
16555: if(pio[c].data == 0x0d && (data & 0x02)) {
16556: // auto feed
16557: printer_out(c, 0x0d);
16558: printer_out(c, 0x0a);
16559: } else {
16560: printer_out(c, pio[c].data);
16561: }
16562: pio[c].stat &= ~0x40; // set ack
16563: }
1.1.1.25 root 16564: pio[c].ctrl = data;
16565: break;
16566: }
16567: }
16568:
16569: UINT8 pio_read(int c, UINT32 addr)
16570: {
16571: switch(addr & 3) {
16572: case 0:
1.1.1.37 root 16573: if(pio[c].ctrl & 0x20) {
16574: // input mode
16575: return(0xff);
16576: }
1.1.1.25 root 16577: return(pio[c].data);
16578: case 1:
1.1.1.37 root 16579: {
16580: UINT8 stat = pio[c].stat;
16581: pio[c].stat |= 0x40; // clear ack
16582: return(stat);
16583: }
1.1.1.25 root 16584: case 2:
16585: return(pio[c].ctrl);
16586: }
16587: return(0xff);
16588: }
16589:
1.1.1.37 root 16590: void printer_out(int c, UINT8 data)
16591: {
16592: SYSTEMTIME time;
1.1.1.38 root 16593: bool jis_mode = false;
1.1.1.37 root 16594:
16595: GetLocalTime(&time);
16596:
16597: if(pio[c].fp != NULL) {
16598: // if at least 1000ms passed from last written, close the current file
16599: FILETIME ftime1;
16600: FILETIME ftime2;
16601: SystemTimeToFileTime(&pio[c].time, &ftime1);
16602: SystemTimeToFileTime(&time, &ftime2);
16603: INT64 *time1 = (INT64 *)&ftime1;
16604: INT64 *time2 = (INT64 *)&ftime2;
16605: INT64 msec = (*time2 - *time1) / 10000;
16606:
16607: if(msec >= 1000) {
1.1.1.38 root 16608: if(pio[c].jis_mode) {
16609: fputc(0x1c, pio[c].fp);
16610: fputc(0x2e, pio[c].fp);
16611: jis_mode = true;
16612: }
1.1.1.37 root 16613: fclose(pio[c].fp);
16614: pio[c].fp = NULL;
16615: }
16616: }
16617: if(pio[c].fp == NULL) {
16618: // create a new file in the temp folder
16619: char file_name[MAX_PATH];
16620:
16621: 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);
16622: if(GetTempPath(MAX_PATH, pio[c].path)) {
16623: strcat(pio[c].path, file_name);
16624: } else {
16625: strcpy(pio[c].path, file_name);
16626: }
1.1.1.38 root 16627: pio[c].fp = fopen(pio[c].path, "w+b");
1.1.1.37 root 16628: }
16629: if(pio[c].fp != NULL) {
1.1.1.38 root 16630: if(jis_mode) {
16631: fputc(0x1c, pio[c].fp);
16632: fputc(0x26, pio[c].fp);
16633: }
1.1.1.37 root 16634: fputc(data, pio[c].fp);
1.1.1.38 root 16635:
16636: // reopen file if 1ch 26h 1ch 2eh (kanji-on kanji-off) are written at the top
16637: if(data == 0x2e && ftell(pio[c].fp) == 4) {
16638: UINT8 buffer[4];
16639: fseek(pio[c].fp, 0, SEEK_SET);
16640: fread(buffer, 4, 1, pio[c].fp);
16641: if(buffer[0] == 0x1c && buffer[1] == 0x26 && buffer[2] == 0x1c/* && buffer[3] == 0x2e*/) {
16642: fclose(pio[c].fp);
16643: pio[c].fp = fopen(pio[c].path, "w+b");
16644: }
16645: }
1.1.1.37 root 16646: pio[c].time = time;
16647: }
16648: }
16649:
1.1 root 16650: // pit
16651:
1.1.1.22 root 16652: #define PIT_FREQ 1193182ULL
1.1 root 16653: #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)
16654:
16655: void pit_init()
16656: {
1.1.1.8 root 16657: memset(pit, 0, sizeof(pit));
1.1 root 16658: for(int ch = 0; ch < 3; ch++) {
16659: pit[ch].count = 0x10000;
16660: pit[ch].ctrl_reg = 0x34;
16661: pit[ch].mode = 3;
16662: }
16663:
16664: // from bochs bios
16665: pit_write(3, 0x34);
16666: pit_write(0, 0x00);
16667: pit_write(0, 0x00);
16668: }
16669:
16670: void pit_write(int ch, UINT8 val)
16671: {
1.1.1.8 root 16672: #ifndef PIT_ALWAYS_RUNNING
1.1 root 16673: if(!pit_active) {
16674: pit_active = 1;
16675: pit_init();
16676: }
1.1.1.8 root 16677: #endif
1.1 root 16678: switch(ch) {
16679: case 0:
16680: case 1:
16681: case 2:
16682: // write count register
16683: if(!pit[ch].low_write && !pit[ch].high_write) {
16684: if(pit[ch].ctrl_reg & 0x10) {
16685: pit[ch].low_write = 1;
16686: }
16687: if(pit[ch].ctrl_reg & 0x20) {
16688: pit[ch].high_write = 1;
16689: }
16690: }
16691: if(pit[ch].low_write) {
16692: pit[ch].count_reg = val;
16693: pit[ch].low_write = 0;
16694: } else if(pit[ch].high_write) {
16695: if((pit[ch].ctrl_reg & 0x30) == 0x20) {
16696: pit[ch].count_reg = val << 8;
16697: } else {
16698: pit[ch].count_reg |= val << 8;
16699: }
16700: pit[ch].high_write = 0;
16701: }
16702: // start count
1.1.1.8 root 16703: if(!pit[ch].low_write && !pit[ch].high_write) {
16704: if(pit[ch].mode == 0 || pit[ch].mode == 4 || pit[ch].prev_time == 0) {
16705: pit[ch].count = PIT_COUNT_VALUE(ch);
16706: pit[ch].prev_time = timeGetTime();
16707: pit[ch].expired_time = pit[ch].prev_time + pit_get_expired_time(ch);
1.1 root 16708: }
16709: }
16710: break;
16711: case 3: // ctrl reg
16712: if((val & 0xc0) == 0xc0) {
16713: // i8254 read-back command
16714: for(ch = 0; ch < 3; ch++) {
16715: if(!(val & 0x10) && !pit[ch].status_latched) {
16716: pit[ch].status = pit[ch].ctrl_reg & 0x3f;
16717: pit[ch].status_latched = 1;
16718: }
16719: if(!(val & 0x20) && !pit[ch].count_latched) {
16720: pit_latch_count(ch);
16721: }
16722: }
16723: break;
16724: }
16725: ch = (val >> 6) & 3;
16726: if(val & 0x30) {
1.1.1.35 root 16727: static const int modes[8] = {0, 1, 2, 3, 4, 5, 2, 3};
1.1 root 16728: pit[ch].mode = modes[(val >> 1) & 7];
16729: pit[ch].count_latched = 0;
16730: pit[ch].low_read = pit[ch].high_read = 0;
16731: pit[ch].low_write = pit[ch].high_write = 0;
16732: pit[ch].ctrl_reg = val;
16733: // stop count
1.1.1.8 root 16734: pit[ch].prev_time = pit[ch].expired_time = 0;
1.1 root 16735: pit[ch].count_reg = 0;
16736: } else if(!pit[ch].count_latched) {
16737: pit_latch_count(ch);
16738: }
16739: break;
16740: }
16741: }
16742:
16743: UINT8 pit_read(int ch)
16744: {
1.1.1.8 root 16745: #ifndef PIT_ALWAYS_RUNNING
1.1 root 16746: if(!pit_active) {
16747: pit_active = 1;
16748: pit_init();
16749: }
1.1.1.8 root 16750: #endif
1.1 root 16751: switch(ch) {
16752: case 0:
16753: case 1:
16754: case 2:
16755: if(pit[ch].status_latched) {
16756: pit[ch].status_latched = 0;
16757: return(pit[ch].status);
16758: }
16759: // if not latched, through current count
16760: if(!pit[ch].count_latched) {
16761: if(!pit[ch].low_read && !pit[ch].high_read) {
16762: pit_latch_count(ch);
16763: }
16764: }
16765: // return latched count
16766: if(pit[ch].low_read) {
16767: pit[ch].low_read = 0;
16768: if(!pit[ch].high_read) {
16769: pit[ch].count_latched = 0;
16770: }
16771: return(pit[ch].latch & 0xff);
16772: } else if(pit[ch].high_read) {
16773: pit[ch].high_read = 0;
16774: pit[ch].count_latched = 0;
16775: return((pit[ch].latch >> 8) & 0xff);
16776: }
16777: }
16778: return(0xff);
16779: }
16780:
1.1.1.8 root 16781: int pit_run(int ch, UINT32 cur_time)
1.1 root 16782: {
1.1.1.8 root 16783: if(pit[ch].expired_time != 0 && cur_time >= pit[ch].expired_time) {
1.1 root 16784: pit[ch].count = PIT_COUNT_VALUE(ch);
1.1.1.8 root 16785: pit[ch].prev_time = pit[ch].expired_time;
16786: pit[ch].expired_time = pit[ch].prev_time + pit_get_expired_time(ch);
16787: if(cur_time >= pit[ch].expired_time) {
16788: pit[ch].prev_time = cur_time;
16789: pit[ch].expired_time = pit[ch].prev_time + pit_get_expired_time(ch);
1.1 root 16790: }
1.1.1.8 root 16791: return(1);
1.1 root 16792: }
1.1.1.8 root 16793: return(0);
1.1 root 16794: }
16795:
16796: void pit_latch_count(int ch)
16797: {
1.1.1.8 root 16798: if(pit[ch].expired_time != 0) {
1.1.1.26 root 16799: UINT32 cur_time = timeGetTime();
1.1.1.8 root 16800: pit_run(ch, cur_time);
16801: UINT32 tmp = (pit[ch].count * (pit[ch].expired_time - cur_time)) / (pit[ch].expired_time - pit[ch].prev_time);
1.1.1.26 root 16802: UINT16 latch = (tmp != 0) ? (UINT16)tmp : 1;
16803:
16804: if(pit[ch].prev_latch == latch && pit[ch].expired_time > cur_time) {
16805: // decrement counter in 1msec period
16806: if(pit[ch].next_latch == 0) {
16807: tmp = (pit[ch].count * (pit[ch].expired_time - cur_time - 1)) / (pit[ch].expired_time - pit[ch].prev_time);
16808: pit[ch].next_latch = (tmp != 0) ? (UINT16)tmp : 1;
16809: }
16810: if(pit[ch].latch > pit[ch].next_latch) {
16811: pit[ch].latch--;
16812: }
16813: } else {
16814: pit[ch].prev_latch = pit[ch].latch = latch;
16815: pit[ch].next_latch = 0;
16816: }
1.1.1.8 root 16817: } else {
16818: pit[ch].latch = (UINT16)pit[ch].count;
1.1.1.26 root 16819: pit[ch].prev_latch = pit[ch].next_latch = 0;
1.1 root 16820: }
16821: pit[ch].count_latched = 1;
16822: if((pit[ch].ctrl_reg & 0x30) == 0x10) {
16823: // lower byte
16824: pit[ch].low_read = 1;
16825: pit[ch].high_read = 0;
16826: } else if((pit[ch].ctrl_reg & 0x30) == 0x20) {
16827: // upper byte
16828: pit[ch].low_read = 0;
16829: pit[ch].high_read = 1;
16830: } else {
16831: // lower -> upper
1.1.1.14 root 16832: pit[ch].low_read = pit[ch].high_read = 1;
1.1 root 16833: }
16834: }
16835:
1.1.1.8 root 16836: int pit_get_expired_time(int ch)
1.1 root 16837: {
1.1.1.22 root 16838: pit[ch].accum += 1024ULL * 1000ULL * (UINT64)pit[ch].count / PIT_FREQ;
16839: UINT64 val = pit[ch].accum >> 10;
16840: pit[ch].accum -= val << 10;
16841: return((val != 0) ? val : 1);
1.1.1.8 root 16842: }
16843:
1.1.1.25 root 16844: // sio
16845:
16846: void sio_init()
16847: {
1.1.1.26 root 16848: memset(sio, 0, sizeof(sio));
16849: memset(sio_mt, 0, sizeof(sio_mt));
16850:
1.1.1.29 root 16851: for(int c = 0; c < 4; c++) {
1.1.1.25 root 16852: sio[c].send_buffer = new FIFO(SIO_BUFFER_SIZE);
16853: sio[c].recv_buffer = new FIFO(SIO_BUFFER_SIZE);
16854:
16855: sio[c].divisor.w = 12; // 115200Hz / 9600Baud
16856: sio[c].line_ctrl = 0x03; // 8bit, stop 1bit, non parity
1.1.1.26 root 16857: sio[c].modem_ctrl = 0x03; // rts=on, dtr=on
16858: sio[c].set_rts = sio[c].set_dtr = true;
1.1.1.25 root 16859: sio[c].line_stat_buf = 0x60; // send/recv buffers are empty
16860: sio[c].irq_identify = 0x01; // no pending irq
16861:
16862: InitializeCriticalSection(&sio_mt[c].csSendData);
16863: InitializeCriticalSection(&sio_mt[c].csRecvData);
16864: InitializeCriticalSection(&sio_mt[c].csLineCtrl);
16865: InitializeCriticalSection(&sio_mt[c].csLineStat);
16866: InitializeCriticalSection(&sio_mt[c].csModemCtrl);
16867: InitializeCriticalSection(&sio_mt[c].csModemStat);
16868:
1.1.1.26 root 16869: if(sio_port_number[c] != 0) {
1.1.1.25 root 16870: sio[c].channel = c;
16871: sio_mt[c].hThread = CreateThread(NULL, 0, sio_thread, &sio[c], 0, NULL);
16872: }
16873: }
16874: }
16875:
16876: void sio_finish()
16877: {
1.1.1.29 root 16878: for(int c = 0; c < 4; c++) {
1.1.1.25 root 16879: if(sio_mt[c].hThread != NULL) {
16880: WaitForSingleObject(sio_mt[c].hThread, INFINITE);
16881: CloseHandle(sio_mt[c].hThread);
1.1.1.28 root 16882: sio_mt[c].hThread = NULL;
1.1.1.25 root 16883: }
16884: DeleteCriticalSection(&sio_mt[c].csSendData);
16885: DeleteCriticalSection(&sio_mt[c].csRecvData);
16886: DeleteCriticalSection(&sio_mt[c].csLineCtrl);
16887: DeleteCriticalSection(&sio_mt[c].csLineStat);
16888: DeleteCriticalSection(&sio_mt[c].csModemCtrl);
16889: DeleteCriticalSection(&sio_mt[c].csModemStat);
1.1.1.28 root 16890: }
16891: sio_release();
16892: }
16893:
16894: void sio_release()
16895: {
1.1.1.29 root 16896: for(int c = 0; c < 4; c++) {
1.1.1.28 root 16897: // sio_thread() may access the resources :-(
1.1.1.32 root 16898: bool running = (sio_mt[c].hThread != NULL);
16899:
16900: if(running) {
16901: EnterCriticalSection(&sio_mt[c].csSendData);
16902: }
16903: if(sio[c].send_buffer != NULL) {
16904: sio[c].send_buffer->release();
16905: delete sio[c].send_buffer;
16906: sio[c].send_buffer = NULL;
16907: }
16908: if(running) {
16909: LeaveCriticalSection(&sio_mt[c].csSendData);
16910: EnterCriticalSection(&sio_mt[c].csRecvData);
16911: }
16912: if(sio[c].recv_buffer != NULL) {
16913: sio[c].recv_buffer->release();
16914: delete sio[c].recv_buffer;
16915: sio[c].recv_buffer = NULL;
16916: }
16917: if(running) {
16918: LeaveCriticalSection(&sio_mt[c].csRecvData);
1.1.1.28 root 16919: }
1.1.1.25 root 16920: }
16921: }
16922:
16923: void sio_write(int c, UINT32 addr, UINT8 data)
16924: {
16925: switch(addr & 7) {
16926: case 0:
16927: if(sio[c].selector & 0x80) {
16928: if(sio[c].divisor.b.l != data) {
16929: EnterCriticalSection(&sio_mt[c].csLineCtrl);
16930: sio[c].divisor.b.l = data;
16931: LeaveCriticalSection(&sio_mt[c].csLineCtrl);
16932: }
16933: } else {
16934: EnterCriticalSection(&sio_mt[c].csSendData);
1.1.1.32 root 16935: if(sio[c].send_buffer != NULL) {
16936: sio[c].send_buffer->write(data);
16937: }
1.1.1.25 root 16938: // transmitter holding/shift registers are not empty
16939: sio[c].line_stat_buf &= ~0x60;
16940: LeaveCriticalSection(&sio_mt[c].csSendData);
16941:
16942: if(sio[c].irq_enable & 0x02) {
16943: sio_update_irq(c);
16944: }
16945: }
16946: break;
16947: case 1:
16948: if(sio[c].selector & 0x80) {
16949: if(sio[c].divisor.b.h != data) {
16950: EnterCriticalSection(&sio_mt[c].csLineCtrl);
16951: sio[c].divisor.b.h = data;
16952: LeaveCriticalSection(&sio_mt[c].csLineCtrl);
16953: }
16954: } else {
16955: if(sio[c].irq_enable != data) {
16956: sio[c].irq_enable = data;
16957: sio_update_irq(c);
16958: }
16959: }
16960: break;
16961: case 3:
16962: {
16963: UINT8 line_ctrl = data & 0x3f;
16964: bool set_brk = ((data & 0x40) != 0);
16965:
16966: if(sio[c].line_ctrl != line_ctrl) {
16967: EnterCriticalSection(&sio_mt[c].csLineCtrl);
16968: sio[c].line_ctrl = line_ctrl;
16969: LeaveCriticalSection(&sio_mt[c].csLineCtrl);
16970: }
16971: if(sio[c].set_brk != set_brk) {
16972: EnterCriticalSection(&sio_mt[c].csModemCtrl);
16973: sio[c].set_brk = set_brk;
16974: LeaveCriticalSection(&sio_mt[c].csModemCtrl);
16975: }
16976: }
16977: sio[c].selector = data;
16978: break;
16979: case 4:
16980: {
16981: bool set_dtr = ((data & 0x01) != 0);
16982: bool set_rts = ((data & 0x02) != 0);
16983:
16984: if(sio[c].set_dtr != set_dtr || sio[c].set_rts != set_rts) {
1.1.1.26 root 16985: // EnterCriticalSection(&sio_mt[c].csModemCtrl);
1.1.1.25 root 16986: sio[c].set_dtr = set_dtr;
16987: sio[c].set_rts = set_rts;
1.1.1.26 root 16988: // LeaveCriticalSection(&sio_mt[c].csModemCtrl);
16989:
16990: bool state_changed = false;
16991:
16992: EnterCriticalSection(&sio_mt[c].csModemStat);
16993: if(set_dtr) {
16994: sio[c].modem_stat |= 0x20; // dsr on
16995: } else {
16996: sio[c].modem_stat &= ~0x20; // dsr off
16997: }
16998: if(set_rts) {
16999: sio[c].modem_stat |= 0x10; // cts on
17000: } else {
17001: sio[c].modem_stat &= ~0x10; // cts off
17002: }
17003: if((sio[c].prev_modem_stat & 0x20) != (sio[c].modem_stat & 0x20)) {
17004: if(!(sio[c].modem_stat & 0x02)) {
17005: if(sio[c].irq_enable & 0x08) {
17006: state_changed = true;
17007: }
17008: sio[c].modem_stat |= 0x02;
17009: }
17010: }
17011: if((sio[c].prev_modem_stat & 0x10) != (sio[c].modem_stat & 0x10)) {
17012: if(!(sio[c].modem_stat & 0x01)) {
17013: if(sio[c].irq_enable & 0x08) {
17014: state_changed = true;
17015: }
17016: sio[c].modem_stat |= 0x01;
17017: }
17018: }
17019: LeaveCriticalSection(&sio_mt[c].csModemStat);
17020:
17021: if(state_changed) {
17022: sio_update_irq(c);
17023: }
1.1.1.25 root 17024: }
17025: }
17026: sio[c].modem_ctrl = data;
17027: break;
17028: case 7:
17029: sio[c].scratch = data;
17030: break;
17031: }
17032: }
17033:
17034: UINT8 sio_read(int c, UINT32 addr)
17035: {
17036: switch(addr & 7) {
17037: case 0:
17038: if(sio[c].selector & 0x80) {
17039: return(sio[c].divisor.b.l);
17040: } else {
17041: EnterCriticalSection(&sio_mt[c].csRecvData);
1.1.1.32 root 17042: UINT8 data = 0;
17043: if(sio[c].recv_buffer != NULL) {
17044: data = sio[c].recv_buffer->read();
17045: }
1.1.1.25 root 17046: // data is not ready
17047: sio[c].line_stat_buf &= ~0x01;
17048: LeaveCriticalSection(&sio_mt[c].csRecvData);
17049:
17050: if(sio[c].irq_enable & 0x01) {
17051: sio_update_irq(c);
17052: }
17053: return(data);
17054: }
17055: case 1:
17056: if(sio[c].selector & 0x80) {
17057: return(sio[c].divisor.b.h);
17058: } else {
17059: return(sio[c].irq_enable);
17060: }
17061: case 2:
17062: return(sio[c].irq_identify);
17063: case 3:
17064: return(sio[c].selector);
17065: case 4:
17066: return(sio[c].modem_ctrl);
17067: case 5:
17068: {
17069: EnterCriticalSection(&sio_mt[c].csLineStat);
17070: UINT8 val = sio[c].line_stat_err | sio[c].line_stat_buf;
17071: sio[c].line_stat_err = 0x00;
17072: LeaveCriticalSection(&sio_mt[c].csLineStat);
17073:
17074: bool state_changed = false;
17075:
17076: if((sio[c].line_stat_buf & 0x60) == 0x00) {
17077: EnterCriticalSection(&sio_mt[c].csSendData);
1.1.1.32 root 17078: if(sio[c].send_buffer != NULL && !sio[c].send_buffer->full()) {
1.1.1.25 root 17079: // transmitter holding register will be empty first
17080: if(sio[c].irq_enable & 0x02) {
17081: state_changed = true;
17082: }
17083: sio[c].line_stat_buf |= 0x20;
17084: }
17085: LeaveCriticalSection(&sio_mt[c].csSendData);
17086: } else if((sio[c].line_stat_buf & 0x60) == 0x20) {
17087: // transmitter shift register will be empty later
17088: sio[c].line_stat_buf |= 0x40;
17089: }
17090: if(!(sio[c].line_stat_buf & 0x01)) {
17091: EnterCriticalSection(&sio_mt[c].csRecvData);
1.1.1.32 root 17092: if(sio[c].recv_buffer != NULL && !sio[c].recv_buffer->empty()) {
1.1.1.25 root 17093: // data is ready
17094: if(sio[c].irq_enable & 0x01) {
17095: state_changed = true;
17096: }
17097: sio[c].line_stat_buf |= 0x01;
17098: }
17099: LeaveCriticalSection(&sio_mt[c].csRecvData);
17100: }
17101: if(state_changed) {
17102: sio_update_irq(c);
17103: }
17104: return(val);
17105: }
17106: case 6:
17107: {
17108: EnterCriticalSection(&sio_mt[c].csModemStat);
17109: UINT8 val = sio[c].modem_stat;
17110: sio[c].modem_stat &= 0xf0;
17111: sio[c].prev_modem_stat = sio[c].modem_stat;
17112: LeaveCriticalSection(&sio_mt[c].csModemStat);
17113:
17114: if(sio[c].modem_ctrl & 0x10) {
17115: // loop-back
17116: val &= 0x0f;
17117: val |= (sio[c].modem_ctrl & 0x0c) << 4;
17118: val |= (sio[c].modem_ctrl & 0x01) << 5;
17119: val |= (sio[c].modem_ctrl & 0x02) << 3;
17120: }
17121: return(val);
17122: }
17123: case 7:
17124: return(sio[c].scratch);
17125: }
17126: return(0xff);
17127: }
17128:
17129: void sio_update(int c)
17130: {
17131: if((sio[c].line_stat_buf & 0x60) == 0x00) {
17132: EnterCriticalSection(&sio_mt[c].csSendData);
1.1.1.32 root 17133: if(sio[c].send_buffer != NULL && !sio[c].send_buffer->full()) {
1.1.1.25 root 17134: // transmitter holding/shift registers will be empty
17135: sio[c].line_stat_buf |= 0x60;
17136: }
17137: LeaveCriticalSection(&sio_mt[c].csSendData);
17138: } else if((sio[c].line_stat_buf & 0x60) == 0x20) {
17139: // transmitter shift register will be empty
17140: sio[c].line_stat_buf |= 0x40;
17141: }
17142: if(!(sio[c].line_stat_buf & 0x01)) {
17143: EnterCriticalSection(&sio_mt[c].csRecvData);
1.1.1.32 root 17144: if(sio[c].recv_buffer != NULL && !sio[c].recv_buffer->empty()) {
1.1.1.25 root 17145: // data is ready
17146: sio[c].line_stat_buf |= 0x01;
17147: }
17148: LeaveCriticalSection(&sio_mt[c].csRecvData);
17149: }
17150: sio_update_irq(c);
17151: }
17152:
17153: void sio_update_irq(int c)
17154: {
17155: int level = -1;
17156:
17157: if(sio[c].irq_enable & 0x08) {
17158: EnterCriticalSection(&sio_mt[c].csModemStat);
17159: if((sio[c].modem_stat & 0x0f) != 0) {
17160: level = 0;
17161: }
17162: EnterCriticalSection(&sio_mt[c].csModemStat);
17163: }
17164: if(sio[c].irq_enable & 0x02) {
17165: if(sio[c].line_stat_buf & 0x20) {
17166: level = 1;
17167: }
17168: }
17169: if(sio[c].irq_enable & 0x01) {
17170: if(sio[c].line_stat_buf & 0x01) {
17171: level = 2;
17172: }
17173: }
17174: if(sio[c].irq_enable & 0x04) {
17175: EnterCriticalSection(&sio_mt[c].csLineStat);
17176: if(sio[c].line_stat_err != 0) {
17177: level = 3;
17178: }
17179: LeaveCriticalSection(&sio_mt[c].csLineStat);
17180: }
1.1.1.29 root 17181:
17182: // COM1 and COM3 shares IRQ4, COM2 and COM4 shares IRQ3
1.1.1.25 root 17183: if(level != -1) {
17184: sio[c].irq_identify = level << 1;
1.1.1.29 root 17185: pic_req(0, (c == 0 || c == 2) ? 4 : 3, 1);
1.1.1.25 root 17186: } else {
17187: sio[c].irq_identify = 1;
1.1.1.29 root 17188: pic_req(0, (c == 0 || c == 2) ? 4 : 3, 0);
1.1.1.25 root 17189: }
17190: }
17191:
17192: DWORD WINAPI sio_thread(void *lpx)
17193: {
17194: volatile sio_t *p = (sio_t *)lpx;
17195: sio_mt_t *q = &sio_mt[p->channel];
17196:
17197: char name[] = "COM1";
1.1.1.26 root 17198: name[3] = '0' + sio_port_number[p->channel];
17199: HANDLE hComm = NULL;
17200: COMMPROP commProp;
17201: DCB dcb;
17202: DWORD dwSettableBaud = 0xffb; // 75, 110, 150, 300, 600, 1200, 1800, 2400, 4800, 7200, and 9600bps
17203: BYTE bytBuffer[SIO_BUFFER_SIZE];
17204:
17205: if((hComm = CreateFile(name, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL)) != INVALID_HANDLE_VALUE) {
17206: if(GetCommProperties(hComm, &commProp)) {
17207: dwSettableBaud = commProp.dwSettableBaud;
17208: }
1.1.1.25 root 17209: EscapeCommFunction(hComm, CLRBREAK);
1.1.1.26 root 17210: // EscapeCommFunction(hComm, SETRTS);
17211: // EscapeCommFunction(hComm, SETDTR);
1.1.1.25 root 17212:
17213: while(!m_halted) {
17214: // setup comm port
17215: bool comm_state_changed = false;
17216:
17217: EnterCriticalSection(&q->csLineCtrl);
17218: if((p->prev_divisor != p->divisor.w || p->prev_line_ctrl != p->line_ctrl) && p->divisor.w != 0) {
17219: p->prev_divisor = p->divisor.w;
17220: p->prev_line_ctrl = p->line_ctrl;
17221: comm_state_changed = true;
17222: }
17223: LeaveCriticalSection(&q->csLineCtrl);
17224:
17225: if(comm_state_changed) {
1.1.1.26 root 17226: if(GetCommState(hComm, &dcb)) {
17227: // dcb.BaudRate = min(9600, 115200 / p->prev_divisor);
17228: DWORD baud = 115200 / p->prev_divisor;
17229: dcb.BaudRate = 9600; // default
17230:
17231: if((dwSettableBaud & BAUD_075 ) && baud >= 75 ) dcb.BaudRate = 75;
17232: if((dwSettableBaud & BAUD_110 ) && baud >= 110 ) dcb.BaudRate = 110;
17233: // 134.5bps is not supported ???
17234: // if((dwSettableBaud & BAUD_134_5) && baud >= 134.5) dcb.BaudRate = 134.5;
17235: if((dwSettableBaud & BAUD_150 ) && baud >= 150 ) dcb.BaudRate = 150;
17236: if((dwSettableBaud & BAUD_300 ) && baud >= 300 ) dcb.BaudRate = 300;
17237: if((dwSettableBaud & BAUD_600 ) && baud >= 600 ) dcb.BaudRate = 600;
17238: if((dwSettableBaud & BAUD_1200 ) && baud >= 1200 ) dcb.BaudRate = 1200;
17239: if((dwSettableBaud & BAUD_1800 ) && baud >= 1800 ) dcb.BaudRate = 1800;
17240: if((dwSettableBaud & BAUD_2400 ) && baud >= 2400 ) dcb.BaudRate = 2400;
17241: if((dwSettableBaud & BAUD_4800 ) && baud >= 4800 ) dcb.BaudRate = 4800;
17242: if((dwSettableBaud & BAUD_7200 ) && baud >= 7200 ) dcb.BaudRate = 7200;
17243: if((dwSettableBaud & BAUD_9600 ) && baud >= 9600 ) dcb.BaudRate = 9600;
17244: // if((dwSettableBaud & BAUD_14400) && baud >= 14400) dcb.BaudRate = 14400;
17245: // if((dwSettableBaud & BAUD_19200) && baud >= 19200) dcb.BaudRate = 19200;
17246: // if((dwSettableBaud & BAUD_38400) && baud >= 38400) dcb.BaudRate = 38400;
17247:
17248: switch(p->prev_line_ctrl & 0x03) {
17249: case 0x00: dcb.ByteSize = 5; break;
17250: case 0x01: dcb.ByteSize = 6; break;
17251: case 0x02: dcb.ByteSize = 7; break;
17252: case 0x03: dcb.ByteSize = 8; break;
17253: }
17254: switch(p->prev_line_ctrl & 0x04) {
17255: case 0x00: dcb.StopBits = ONESTOPBIT; break;
17256: case 0x04: dcb.StopBits = (dcb.ByteSize == 5) ? ONE5STOPBITS : TWOSTOPBITS; break;
17257: }
17258: switch(p->prev_line_ctrl & 0x38) {
17259: case 0x08: dcb.Parity = ODDPARITY; break;
17260: case 0x18: dcb.Parity = EVENPARITY; break;
17261: case 0x28: dcb.Parity = MARKPARITY; break;
17262: case 0x38: dcb.Parity = SPACEPARITY; break;
17263: default: dcb.Parity = NOPARITY; break;
17264: }
17265: dcb.fBinary = TRUE;
17266: dcb.fParity = (dcb.Parity != NOPARITY);
17267: dcb.fOutxCtsFlow = dcb.fOutxDsrFlow = TRUE;
17268: dcb.fDtrControl = DTR_CONTROL_HANDSHAKE;
17269: dcb.fDsrSensitivity = FALSE;//TRUE;
17270: dcb.fTXContinueOnXoff = TRUE;
17271: dcb.fOutX = dcb.fInX = FALSE;
17272: dcb.fErrorChar = FALSE;
17273: dcb.fNull = FALSE;
17274: dcb.fRtsControl = RTS_CONTROL_HANDSHAKE;
17275: dcb.fAbortOnError = FALSE;
17276:
17277: SetCommState(hComm, &dcb);
1.1.1.25 root 17278: }
17279:
17280: // check again to apply all comm state changes
17281: Sleep(10);
17282: continue;
17283: }
17284:
17285: // set comm pins
17286: bool change_brk = false;
1.1.1.26 root 17287: // bool change_rts = false;
17288: // bool change_dtr = false;
1.1.1.25 root 17289:
17290: EnterCriticalSection(&q->csModemCtrl);
17291: if(p->prev_set_brk != p->set_brk) {
17292: p->prev_set_brk = p->set_brk;
17293: change_brk = true;
17294: }
1.1.1.26 root 17295: // if(p->prev_set_rts != p->set_rts) {
17296: // p->prev_set_rts = p->set_rts;
17297: // change_rts = true;
17298: // }
17299: // if(p->prev_set_dtr != p->set_dtr) {
17300: // p->prev_set_dtr = p->set_dtr;
17301: // change_dtr = true;
17302: // }
1.1.1.25 root 17303: LeaveCriticalSection(&q->csModemCtrl);
17304:
17305: if(change_brk) {
1.1.1.26 root 17306: static UINT32 clear_time = 0;
17307: if(p->prev_set_brk) {
17308: EscapeCommFunction(hComm, SETBREAK);
17309: clear_time = timeGetTime() + 200;
17310: } else {
17311: // keep break for at least 200msec
17312: UINT32 cur_time = timeGetTime();
17313: if(clear_time > cur_time) {
17314: Sleep(clear_time - cur_time);
17315: }
17316: EscapeCommFunction(hComm, CLRBREAK);
17317: }
1.1.1.25 root 17318: }
1.1.1.26 root 17319: // if(change_rts) {
17320: // if(p->prev_set_rts) {
17321: // EscapeCommFunction(hComm, SETRTS);
17322: // } else {
17323: // EscapeCommFunction(hComm, CLRRTS);
17324: // }
17325: // }
17326: // if(change_dtr) {
17327: // if(p->prev_set_dtr) {
17328: // EscapeCommFunction(hComm, SETDTR);
17329: // } else {
17330: // EscapeCommFunction(hComm, CLRDTR);
17331: // }
17332: // }
1.1.1.25 root 17333:
17334: // get comm pins
17335: DWORD dwModemStat = 0;
17336:
17337: if(GetCommModemStatus(hComm, &dwModemStat)) {
17338: EnterCriticalSection(&q->csModemStat);
17339: if(dwModemStat & MS_RLSD_ON) {
17340: p->modem_stat |= 0x80;
17341: } else {
17342: p->modem_stat &= ~0x80;
17343: }
17344: if(dwModemStat & MS_RING_ON) {
17345: p->modem_stat |= 0x40;
17346: } else {
17347: p->modem_stat &= ~0x40;
17348: }
1.1.1.26 root 17349: // if(dwModemStat & MS_DSR_ON) {
17350: // p->modem_stat |= 0x20;
17351: // } else {
17352: // p->modem_stat &= ~0x20;
17353: // }
17354: // if(dwModemStat & MS_CTS_ON) {
17355: // p->modem_stat |= 0x10;
17356: // } else {
17357: // p->modem_stat &= ~0x10;
17358: // }
1.1.1.25 root 17359: if((p->prev_modem_stat & 0x80) != (p->modem_stat & 0x80)) {
17360: p->modem_stat |= 0x08;
17361: }
17362: if((p->prev_modem_stat & 0x40) && !(p->modem_stat & 0x40)) {
17363: p->modem_stat |= 0x04;
17364: }
1.1.1.26 root 17365: // if((p->prev_modem_stat & 0x20) != (p->modem_stat & 0x20)) {
17366: // p->modem_stat |= 0x02;
17367: // }
17368: // if((p->prev_modem_stat & 0x10) != (p->modem_stat & 0x10)) {
17369: // p->modem_stat |= 0x01;
17370: // }
1.1.1.25 root 17371: LeaveCriticalSection(&q->csModemStat);
17372: }
17373:
17374: // send data
17375: DWORD dwSend = 0;
17376:
17377: EnterCriticalSection(&q->csSendData);
1.1.1.32 root 17378: while(p->send_buffer != NULL && !p->send_buffer->empty()) {
1.1.1.25 root 17379: bytBuffer[dwSend++] = p->send_buffer->read();
17380: }
17381: LeaveCriticalSection(&q->csSendData);
17382:
17383: if(dwSend != 0) {
17384: DWORD dwWritten = 0;
17385: WriteFile(hComm, bytBuffer, dwSend, &dwWritten, NULL);
17386: }
17387:
17388: // get line status and recv data
17389: DWORD dwLineStat = 0;
17390: COMSTAT comStat;
17391:
17392: if(ClearCommError(hComm, &dwLineStat, &comStat)) {
17393: EnterCriticalSection(&q->csLineStat);
17394: if(dwLineStat & CE_BREAK) {
17395: p->line_stat_err |= 0x10;
17396: }
17397: if(dwLineStat & CE_FRAME) {
17398: p->line_stat_err |= 0x08;
17399: }
17400: if(dwLineStat & CE_RXPARITY) {
17401: p->line_stat_err |= 0x04;
17402: }
17403: if(dwLineStat & CE_OVERRUN) {
17404: p->line_stat_err |= 0x02;
17405: }
17406: LeaveCriticalSection(&q->csLineStat);
17407:
17408: if(comStat.cbInQue != 0) {
17409: EnterCriticalSection(&q->csRecvData);
1.1.1.32 root 17410: DWORD dwRecv = 0;
17411: if(p->recv_buffer != NULL) {
17412: dwRecv = min(comStat.cbInQue, p->recv_buffer->remain());
17413: }
1.1.1.25 root 17414: LeaveCriticalSection(&q->csRecvData);
17415:
17416: if(dwRecv != 0) {
17417: DWORD dwRead = 0;
17418: if(ReadFile(hComm, bytBuffer, dwRecv, &dwRead, NULL) && dwRead != 0) {
17419: EnterCriticalSection(&q->csRecvData);
1.1.1.32 root 17420: if(p->recv_buffer != NULL) {
17421: for(int i = 0; i < dwRead; i++) {
17422: p->recv_buffer->write(bytBuffer[i]);
17423: }
1.1.1.25 root 17424: }
17425: LeaveCriticalSection(&q->csRecvData);
17426: }
17427: }
17428: }
17429: }
17430: Sleep(10);
17431: }
17432: CloseHandle(hComm);
17433: }
17434: return 0;
17435: }
17436:
1.1.1.8 root 17437: // cmos
17438:
17439: void cmos_init()
17440: {
17441: memset(cmos, 0, sizeof(cmos));
17442: cmos_addr = 0;
1.1 root 17443:
1.1.1.8 root 17444: // from DOSBox
17445: cmos_write(0x0a, 0x26);
17446: cmos_write(0x0b, 0x02);
17447: cmos_write(0x0d, 0x80);
1.1 root 17448: }
17449:
1.1.1.8 root 17450: void cmos_write(int addr, UINT8 val)
1.1 root 17451: {
1.1.1.8 root 17452: cmos[addr & 0x7f] = val;
17453: }
17454:
17455: #define CMOS_GET_TIME() { \
17456: UINT32 cur_sec = timeGetTime() / 1000 ; \
17457: if(prev_sec != cur_sec) { \
17458: GetLocalTime(&time); \
17459: prev_sec = cur_sec; \
17460: } \
1.1 root 17461: }
1.1.1.8 root 17462: #define CMOS_BCD(v) ((cmos[0x0b] & 4) ? (v) : to_bcd(v))
1.1 root 17463:
1.1.1.8 root 17464: UINT8 cmos_read(int addr)
1.1 root 17465: {
1.1.1.8 root 17466: static SYSTEMTIME time;
17467: static UINT32 prev_sec = 0;
1.1 root 17468:
1.1.1.8 root 17469: switch(addr & 0x7f) {
17470: case 0x00: CMOS_GET_TIME(); return(CMOS_BCD(time.wSecond));
17471: case 0x02: CMOS_GET_TIME(); return(CMOS_BCD(time.wMinute));
17472: case 0x04: CMOS_GET_TIME(); return(CMOS_BCD(time.wHour));
17473: case 0x06: CMOS_GET_TIME(); return(time.wDayOfWeek + 1);
17474: case 0x07: CMOS_GET_TIME(); return(CMOS_BCD(time.wDay));
17475: case 0x08: CMOS_GET_TIME(); return(CMOS_BCD(time.wMonth));
17476: case 0x09: CMOS_GET_TIME(); return(CMOS_BCD(time.wYear));
17477: // case 0x0a: return((cmos[0x0a] & 0x7f) | ((timeGetTime() % 1000) < 2 ? 0x80 : 0)); // 2msec
17478: case 0x0a: return((cmos[0x0a] & 0x7f) | ((timeGetTime() % 1000) < 20 ? 0x80 : 0)); // precision of timeGetTime() may not be 1msec
17479: case 0x15: return((MEMORY_END >> 10) & 0xff);
17480: case 0x16: return((MEMORY_END >> 18) & 0xff);
17481: case 0x17: return(((MAX_MEM - 0x100000) >> 10) & 0xff);
17482: case 0x18: return(((MAX_MEM - 0x100000) >> 18) & 0xff);
17483: case 0x30: return(((MAX_MEM - 0x100000) >> 10) & 0xff);
17484: case 0x31: return(((MAX_MEM - 0x100000) >> 18) & 0xff);
17485: case 0x32: CMOS_GET_TIME(); return(CMOS_BCD(time.wYear / 100));
1.1 root 17486: }
1.1.1.8 root 17487: return(cmos[addr & 0x7f]);
1.1 root 17488: }
17489:
1.1.1.7 root 17490: // kbd (a20)
17491:
17492: void kbd_init()
17493: {
1.1.1.8 root 17494: kbd_data = kbd_command = 0;
1.1.1.7 root 17495: kbd_status = 0x18;
17496: }
17497:
17498: UINT8 kbd_read_data()
17499: {
1.1.1.8 root 17500: kbd_status &= ~1;
1.1.1.7 root 17501: return(kbd_data);
17502: }
17503:
17504: void kbd_write_data(UINT8 val)
17505: {
17506: switch(kbd_command) {
17507: case 0xd1:
17508: i386_set_a20_line((val >> 1) & 1);
17509: break;
17510: }
17511: kbd_command = 0;
1.1.1.8 root 17512: kbd_status &= ~8;
1.1.1.7 root 17513: }
17514:
17515: UINT8 kbd_read_status()
17516: {
17517: return(kbd_status);
17518: }
17519:
17520: void kbd_write_command(UINT8 val)
17521: {
17522: switch(val) {
17523: case 0xd0:
17524: kbd_data = ((m_a20_mask >> 19) & 2) | 1;
1.1.1.8 root 17525: kbd_status |= 1;
1.1.1.7 root 17526: break;
17527: case 0xdd:
17528: i386_set_a20_line(0);
17529: break;
17530: case 0xdf:
17531: i386_set_a20_line(1);
17532: break;
1.1.1.26 root 17533: case 0xf0: case 0xf1: case 0xf2: case 0xf3: case 0xf4: case 0xf5: case 0xf6: case 0xf7:
17534: case 0xf8: case 0xf9: case 0xfa: case 0xfb: case 0xfc: case 0xfd: case 0xfe: case 0xff:
1.1.1.7 root 17535: if(!(val & 1)) {
1.1.1.8 root 17536: if((cmos[0x0f] & 0x7f) == 5) {
1.1.1.7 root 17537: // reset pic
17538: pic_init();
17539: pic[0].irr = pic[1].irr = 0x00;
17540: pic[0].imr = pic[1].imr = 0xff;
17541: }
17542: CPU_RESET_CALL(CPU_MODEL);
17543: i386_jmp_far(0x40, 0x67);
17544: }
17545: i386_set_a20_line((val >> 1) & 1);
17546: break;
17547: }
17548: kbd_command = val;
1.1.1.8 root 17549: kbd_status |= 8;
1.1.1.7 root 17550: }
17551:
1.1.1.9 root 17552: // vga
17553:
17554: UINT8 vga_read_status()
17555: {
17556: // 60hz
17557: static const int period[3] = {16, 17, 17};
17558: static int index = 0;
17559: UINT32 time = timeGetTime() % period[index];
17560:
17561: index = (index + 1) % 3;
1.1.1.14 root 17562: return((time < 4 ? 0x08 : 0) | (time == 0 ? 0 : 0x01));
1.1.1.9 root 17563: }
17564:
1.1 root 17565: // i/o bus
17566:
1.1.1.29 root 17567: // this is ugly patch for SW1US.EXE, it sometimes mistakely read/write 01h-10h for serial I/O
17568: //#define SW1US_PATCH
17569:
1.1.1.25 root 17570: UINT8 read_io_byte(offs_t addr)
1.1.1.33 root 17571: #ifdef USE_DEBUGGER
1.1.1.25 root 17572: {
1.1.1.33 root 17573: if(now_debugging) {
17574: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
17575: if(in_break_point.table[i].status == 1) {
17576: if(addr == in_break_point.table[i].addr) {
17577: in_break_point.hit = i + 1;
17578: now_suspended = true;
17579: break;
17580: }
17581: }
17582: }
1.1.1.25 root 17583: }
1.1.1.33 root 17584: return(debugger_read_io_byte(addr));
1.1.1.25 root 17585: }
1.1.1.33 root 17586: UINT8 debugger_read_io_byte(offs_t addr)
1.1.1.25 root 17587: #endif
1.1 root 17588: {
1.1.1.33 root 17589: UINT8 val = 0xff;
17590:
1.1 root 17591: switch(addr) {
1.1.1.29 root 17592: #ifdef SW1US_PATCH
17593: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07: case 0x08:
17594: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f: case 0x10:
1.1.1.33 root 17595: val = sio_read(0, addr - 1);
17596: break;
1.1.1.29 root 17597: #else
1.1.1.25 root 17598: case 0x00: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07:
17599: case 0x08: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f:
1.1.1.33 root 17600: val = dma_read(0, addr);
17601: break;
1.1.1.29 root 17602: #endif
1.1.1.25 root 17603: case 0x20: case 0x21:
1.1.1.33 root 17604: val = pic_read(0, addr);
17605: break;
1.1.1.25 root 17606: case 0x40: case 0x41: case 0x42: case 0x43:
1.1.1.33 root 17607: val = pit_read(addr & 0x03);
17608: break;
1.1.1.7 root 17609: case 0x60:
1.1.1.33 root 17610: val = kbd_read_data();
17611: break;
1.1.1.9 root 17612: case 0x61:
1.1.1.33 root 17613: val = system_port;
17614: break;
1.1.1.7 root 17615: case 0x64:
1.1.1.33 root 17616: val = kbd_read_status();
17617: break;
1.1 root 17618: case 0x71:
1.1.1.33 root 17619: val = cmos_read(cmos_addr);
17620: break;
1.1.1.25 root 17621: case 0x81:
1.1.1.33 root 17622: val = dma_page_read(0, 2);
17623: break;
1.1.1.25 root 17624: case 0x82:
1.1.1.33 root 17625: val = dma_page_read(0, 3);
17626: break;
1.1.1.25 root 17627: case 0x83:
1.1.1.33 root 17628: val = dma_page_read(0, 1);
17629: break;
1.1.1.25 root 17630: case 0x87:
1.1.1.33 root 17631: val = dma_page_read(0, 0);
17632: break;
1.1.1.25 root 17633: case 0x89:
1.1.1.33 root 17634: val = dma_page_read(1, 2);
17635: break;
1.1.1.25 root 17636: case 0x8a:
1.1.1.33 root 17637: val = dma_page_read(1, 3);
17638: break;
1.1.1.25 root 17639: case 0x8b:
1.1.1.33 root 17640: val = dma_page_read(1, 1);
17641: break;
1.1.1.25 root 17642: case 0x8f:
1.1.1.33 root 17643: val = dma_page_read(1, 0);
17644: break;
1.1 root 17645: case 0x92:
1.1.1.33 root 17646: val = (m_a20_mask >> 19) & 2;
17647: break;
1.1.1.25 root 17648: case 0xa0: case 0xa1:
1.1.1.33 root 17649: val = pic_read(1, addr);
17650: break;
1.1.1.25 root 17651: case 0xc0: case 0xc2: case 0xc4: case 0xc6: case 0xc8: case 0xca: case 0xcc: case 0xce:
17652: case 0xd0: case 0xd2: case 0xd4: case 0xd6: case 0xd8: case 0xda: case 0xdc: case 0xde:
1.1.1.33 root 17653: val = dma_read(1, (addr - 0xc0) >> 1);
17654: break;
1.1.1.37 root 17655: case 0x278: case 0x279: case 0x27a:
17656: val = pio_read(1, addr);
17657: break;
1.1.1.29 root 17658: case 0x2e8: case 0x2e9: case 0x2ea: case 0x2eb: case 0x2ec: case 0x2ed: case 0x2ee: case 0x2ef:
1.1.1.33 root 17659: val = sio_read(3, addr);
17660: break;
1.1.1.25 root 17661: case 0x2f8: case 0x2f9: case 0x2fa: case 0x2fb: case 0x2fc: case 0x2fd: case 0x2fe: case 0x2ff:
1.1.1.33 root 17662: val = sio_read(1, addr);
17663: break;
1.1.1.25 root 17664: case 0x378: case 0x379: case 0x37a:
1.1.1.33 root 17665: val = pio_read(0, addr);
17666: break;
1.1.1.25 root 17667: case 0x3ba: case 0x3da:
1.1.1.33 root 17668: val = vga_read_status();
17669: break;
1.1.1.37 root 17670: case 0x3bc: case 0x3bd: case 0x3be:
17671: val = pio_read(2, addr);
17672: break;
1.1.1.29 root 17673: case 0x3e8: case 0x3e9: case 0x3ea: case 0x3eb: case 0x3ec: case 0x3ed: case 0x3ee: case 0x3ef:
1.1.1.33 root 17674: val = sio_read(2, addr);
17675: break;
1.1.1.25 root 17676: case 0x3f8: case 0x3f9: case 0x3fa: case 0x3fb: case 0x3fc: case 0x3fd: case 0x3fe: case 0x3ff:
1.1.1.33 root 17677: val = sio_read(0, addr);
17678: break;
1.1 root 17679: default:
1.1.1.33 root 17680: // fatalerror("unknown inb %4x\n", addr);
1.1 root 17681: break;
17682: }
1.1.1.33 root 17683: #ifdef ENABLE_DEBUG_IOPORT
17684: if(fp_debug_log != NULL) {
17685: fprintf(fp_debug_log, "inb %04X, %02X\n", addr, val);
17686: }
17687: #endif
17688: return(val);
1.1 root 17689: }
17690:
17691: UINT16 read_io_word(offs_t addr)
17692: {
17693: return(read_io_byte(addr) | (read_io_byte(addr + 1) << 8));
17694: }
17695:
1.1.1.33 root 17696: #ifdef USE_DEBUGGER
17697: UINT16 debugger_read_io_word(offs_t addr)
17698: {
17699: return(debugger_read_io_byte(addr) | (debugger_read_io_byte(addr + 1) << 8));
17700: }
17701: #endif
17702:
1.1 root 17703: UINT32 read_io_dword(offs_t addr)
17704: {
17705: return(read_io_byte(addr) | (read_io_byte(addr + 1) << 8) | (read_io_byte(addr + 2) << 16) | (read_io_byte(addr + 3) << 24));
17706: }
17707:
1.1.1.33 root 17708: #ifdef USE_DEBUGGER
17709: UINT32 debugger_read_io_dword(offs_t addr)
17710: {
17711: 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));
17712: }
17713: #endif
17714:
1.1 root 17715: void write_io_byte(offs_t addr, UINT8 val)
1.1.1.33 root 17716: #ifdef USE_DEBUGGER
17717: {
17718: if(now_debugging) {
17719: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
17720: if(out_break_point.table[i].status == 1) {
17721: if(addr == out_break_point.table[i].addr) {
17722: out_break_point.hit = i + 1;
17723: now_suspended = true;
17724: break;
17725: }
17726: }
17727: }
17728: }
17729: debugger_write_io_byte(addr, val);
17730: }
17731: void debugger_write_io_byte(offs_t addr, UINT8 val)
17732: #endif
1.1 root 17733: {
1.1.1.25 root 17734: #ifdef ENABLE_DEBUG_IOPORT
1.1.1.33 root 17735: if(fp_debug_log != NULL) {
17736: fprintf(fp_debug_log, "outb %04X, %02X\n", addr, val);
1.1.1.25 root 17737: }
17738: #endif
1.1 root 17739: switch(addr) {
1.1.1.29 root 17740: #ifdef SW1US_PATCH
17741: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07: case 0x08:
17742: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f: case 0x10:
17743: sio_write(0, addr - 1, val);
17744: break;
17745: #else
1.1.1.25 root 17746: case 0x00: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07:
17747: case 0x08: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f:
17748: dma_write(0, addr, val);
17749: break;
1.1.1.29 root 17750: #endif
1.1.1.25 root 17751: case 0x20: case 0x21:
1.1 root 17752: pic_write(0, addr, val);
17753: break;
1.1.1.25 root 17754: case 0x40: case 0x41: case 0x42: case 0x43:
1.1 root 17755: pit_write(addr & 0x03, val);
17756: break;
1.1.1.7 root 17757: case 0x60:
17758: kbd_write_data(val);
17759: break;
1.1.1.9 root 17760: case 0x61:
17761: if((system_port & 3) != 3 && (val & 3) == 3) {
17762: // beep on
17763: // MessageBeep(-1);
17764: } else if((system_port & 3) == 3 && (val & 3) != 3) {
17765: // beep off
17766: }
17767: system_port = val;
17768: break;
1.1 root 17769: case 0x64:
1.1.1.7 root 17770: kbd_write_command(val);
1.1 root 17771: break;
17772: case 0x70:
17773: cmos_addr = val;
17774: break;
17775: case 0x71:
1.1.1.8 root 17776: cmos_write(cmos_addr, val);
1.1 root 17777: break;
1.1.1.25 root 17778: case 0x81:
17779: dma_page_write(0, 2, val);
17780: case 0x82:
17781: dma_page_write(0, 3, val);
17782: case 0x83:
17783: dma_page_write(0, 1, val);
17784: case 0x87:
17785: dma_page_write(0, 0, val);
17786: case 0x89:
17787: dma_page_write(1, 2, val);
17788: case 0x8a:
17789: dma_page_write(1, 3, val);
17790: case 0x8b:
17791: dma_page_write(1, 1, val);
17792: case 0x8f:
17793: dma_page_write(1, 0, val);
1.1 root 17794: case 0x92:
1.1.1.7 root 17795: i386_set_a20_line((val >> 1) & 1);
1.1 root 17796: break;
1.1.1.25 root 17797: case 0xa0: case 0xa1:
1.1 root 17798: pic_write(1, addr, val);
17799: break;
1.1.1.25 root 17800: case 0xc0: case 0xc2: case 0xc4: case 0xc6: case 0xc8: case 0xca: case 0xcc: case 0xce:
17801: case 0xd0: case 0xd2: case 0xd4: case 0xd6: case 0xd8: case 0xda: case 0xdc: case 0xde:
1.1.1.26 root 17802: dma_write(1, (addr - 0xc0) >> 1, val);
1.1.1.25 root 17803: break;
1.1.1.35 root 17804: #ifdef USE_SERVICE_THREAD
17805: case 0xf7:
17806: // dummy i/o for BIOS/DOS service
1.1.1.36 root 17807: if(in_service && cursor_moved) {
17808: // update cursor position before service is done
17809: pcbios_update_cursor_position();
17810: cursor_moved = false;
17811: }
1.1.1.35 root 17812: finish_service_loop();
17813: break;
17814: #endif
1.1.1.37 root 17815: case 0x278: case 0x279: case 0x27a:
17816: pio_write(1, addr, val);
17817: break;
1.1.1.29 root 17818: case 0x2e8: case 0x2e9: case 0x2ea: case 0x2eb: case 0x2ec: case 0x2ed: case 0x2ee: case 0x2ef:
17819: sio_write(3, addr, val);
17820: break;
1.1.1.25 root 17821: case 0x2f8: case 0x2f9: case 0x2fa: case 0x2fb: case 0x2fc: case 0x2fd: case 0x2fe: case 0x2ff:
17822: sio_write(1, addr, val);
17823: break;
17824: case 0x378: case 0x379: case 0x37a:
17825: pio_write(0, addr, val);
17826: break;
1.1.1.37 root 17827: case 0x3bc: case 0x3bd: case 0x3be:
17828: pio_write(2, addr, val);
17829: break;
1.1.1.29 root 17830: case 0x3e8: case 0x3e9: case 0x3ea: case 0x3eb: case 0x3ec: case 0x3ed: case 0x3ee: case 0x3ef:
17831: sio_write(2, addr, val);
17832: break;
1.1.1.25 root 17833: case 0x3f8: case 0x3f9: case 0x3fa: case 0x3fb: case 0x3fc: case 0x3fd: case 0x3fe: case 0x3ff:
17834: sio_write(0, addr, val);
17835: break;
1.1 root 17836: default:
1.1.1.33 root 17837: // fatalerror("unknown outb %4x,%2x\n", addr, val);
1.1 root 17838: break;
17839: }
17840: }
17841:
17842: void write_io_word(offs_t addr, UINT16 val)
17843: {
17844: write_io_byte(addr + 0, (val >> 0) & 0xff);
17845: write_io_byte(addr + 1, (val >> 8) & 0xff);
17846: }
17847:
1.1.1.33 root 17848: #ifdef USE_DEBUGGER
17849: void debugger_write_io_word(offs_t addr, UINT16 val)
17850: {
17851: debugger_write_io_byte(addr + 0, (val >> 0) & 0xff);
17852: debugger_write_io_byte(addr + 1, (val >> 8) & 0xff);
17853: }
17854: #endif
17855:
1.1 root 17856: void write_io_dword(offs_t addr, UINT32 val)
17857: {
17858: write_io_byte(addr + 0, (val >> 0) & 0xff);
17859: write_io_byte(addr + 1, (val >> 8) & 0xff);
17860: write_io_byte(addr + 2, (val >> 16) & 0xff);
17861: write_io_byte(addr + 3, (val >> 24) & 0xff);
17862: }
1.1.1.33 root 17863:
17864: #ifdef USE_DEBUGGER
17865: void debugger_write_io_dword(offs_t addr, UINT32 val)
17866: {
17867: debugger_write_io_byte(addr + 0, (val >> 0) & 0xff);
17868: debugger_write_io_byte(addr + 1, (val >> 8) & 0xff);
17869: debugger_write_io_byte(addr + 2, (val >> 16) & 0xff);
17870: debugger_write_io_byte(addr + 3, (val >> 24) & 0xff);
17871: }
17872: #endif
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