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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);
! 4694: for(unsigned int i = 0; i < count; i++) {
! 4695: if(!(sio_read(file_handler[fd].sio_port - 1, 5) & 0x01)) {
! 4696: // data is nto ready
! 4697: break;
! 4698: }
! 4699: buf[i] = sio_read(file_handler[fd].sio_port - 1, 0);
! 4700: read++;
! 4701: }
! 4702: sio_write(file_handler[fd].sio_port - 1, 3, selector);
! 4703: }
! 4704: return(read);
! 4705: }
! 4706: return(_read(fd, buffer, count));
! 4707: }
! 4708:
1.1 root 4709: int msdos_kbhit()
4710: {
4711: msdos_stdio_reopen();
4712:
1.1.1.20 root 4713: process_t *process = msdos_process_info_get(current_psp);
4714: int fd = msdos_psp_get_file_table(0, current_psp);
4715:
4716: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 4717: // stdin is redirected to file
1.1.1.20 root 4718: return(eof(fd) == 0);
1.1 root 4719: }
4720:
4721: // check keyboard status
1.1.1.35 root 4722: if(key_recv != 0) {
1.1 root 4723: return(1);
4724: }
1.1.1.35 root 4725: if(key_buf_char != NULL && key_buf_scan != NULL) {
4726: #ifdef USE_SERVICE_THREAD
4727: EnterCriticalSection(&key_buf_crit_sect);
4728: #endif
4729: bool empty = key_buf_char->empty();
4730: #ifdef USE_SERVICE_THREAD
4731: LeaveCriticalSection(&key_buf_crit_sect);
4732: #endif
4733: if(!empty) return(1);
4734: }
4735: return(_kbhit());
1.1 root 4736: }
4737:
4738: int msdos_getch_ex(int echo)
4739: {
4740: static char prev = 0;
4741:
4742: msdos_stdio_reopen();
4743:
1.1.1.20 root 4744: process_t *process = msdos_process_info_get(current_psp);
4745: int fd = msdos_psp_get_file_table(0, current_psp);
4746:
4747: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 4748: // stdin is redirected to file
4749: retry:
4750: char data;
1.1.1.37! root 4751: if(msdos_read(fd, &data, 1) == 1) {
1.1 root 4752: char tmp = data;
4753: if(data == 0x0a) {
4754: if(prev == 0x0d) {
4755: goto retry; // CRLF -> skip LF
4756: } else {
4757: data = 0x0d; // LF only -> CR
4758: }
4759: }
4760: prev = tmp;
4761: return(data);
4762: }
4763: return(EOF);
4764: }
4765:
4766: // input from console
1.1.1.5 root 4767: int key_char, key_scan;
1.1.1.33 root 4768: if(key_recv != 0) {
1.1.1.5 root 4769: key_char = (key_code >> 0) & 0xff;
4770: key_scan = (key_code >> 8) & 0xff;
4771: key_code >>= 16;
1.1.1.33 root 4772: key_recv >>= 16;
1.1.1.5 root 4773: } else {
1.1.1.35 root 4774: while(key_buf_char != NULL && key_buf_scan != NULL && !m_halted) {
4775: if(key_buf_char != NULL && key_buf_scan != NULL) {
4776: #ifdef USE_SERVICE_THREAD
4777: EnterCriticalSection(&key_buf_crit_sect);
4778: #endif
4779: bool empty = key_buf_char->empty();
4780: #ifdef USE_SERVICE_THREAD
4781: LeaveCriticalSection(&key_buf_crit_sect);
4782: #endif
4783: if(!empty) break;
4784: }
1.1.1.23 root 4785: if(!(fd < process->max_files && file_handler[fd].valid && file_handler[fd].atty && file_mode[file_handler[fd].mode].in)) {
4786: // NOTE: stdin is redirected to stderr when we do "type (file) | more" on freedos's command.com
4787: if(_kbhit()) {
1.1.1.32 root 4788: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 4789: #ifdef USE_SERVICE_THREAD
4790: EnterCriticalSection(&key_buf_crit_sect);
4791: #endif
1.1.1.32 root 4792: key_buf_char->write(_getch());
1.1.1.35 root 4793: key_buf_scan->write(0x00);
4794: #ifdef USE_SERVICE_THREAD
4795: LeaveCriticalSection(&key_buf_crit_sect);
4796: #endif
1.1.1.32 root 4797: }
1.1.1.23 root 4798: } else {
4799: Sleep(10);
4800: }
4801: } else {
4802: if(!update_key_buffer()) {
4803: Sleep(10);
4804: }
1.1.1.14 root 4805: }
4806: }
4807: if(m_halted) {
1.1.1.33 root 4808: // insert CR to terminate input loops
1.1.1.14 root 4809: key_char = 0x0d;
4810: key_scan = 0;
1.1.1.32 root 4811: } else if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 4812: #ifdef USE_SERVICE_THREAD
4813: EnterCriticalSection(&key_buf_crit_sect);
4814: #endif
1.1.1.14 root 4815: key_char = key_buf_char->read();
4816: key_scan = key_buf_scan->read();
1.1.1.35 root 4817: #ifdef USE_SERVICE_THREAD
4818: LeaveCriticalSection(&key_buf_crit_sect);
4819: #endif
1.1.1.5 root 4820: }
1.1 root 4821: }
4822: if(echo && key_char) {
4823: msdos_putch(key_char);
4824: }
4825: return key_char ? key_char : (key_scan != 0xe0) ? key_scan : 0;
4826: }
4827:
4828: inline int msdos_getch()
4829: {
4830: return(msdos_getch_ex(0));
4831: }
4832:
4833: inline int msdos_getche()
4834: {
4835: return(msdos_getch_ex(1));
4836: }
4837:
4838: int msdos_write(int fd, const void *buffer, unsigned int count)
4839: {
1.1.1.37! root 4840: if(fd < process->max_files && file_handler[fd].valid && file_handler[fd].sio_port >= 1 && file_handler[fd].sio_port <= 4) {
! 4841: // write to serial port
! 4842: if(sio_port_number[file_handler[fd].sio_port - 1] != 0) {
! 4843: UINT8 *buf = (UINT8 *)buffer;
! 4844: UINT8 selector = sio_read(file_handler[fd].sio_port - 1, 3);
! 4845: sio_write(file_handler[fd].sio_port - 1, 3, selector & ~0x80);
! 4846: for(unsigned int i = 0; i < count; i++) {
! 4847: sio_write(file_handler[fd].sio_port - 1, 0, buf[i]);
! 4848: }
! 4849: sio_write(file_handler[fd].sio_port - 1, 3, selector);
! 4850: }
! 4851: return(count);
! 4852: } else if(fd < process->max_files && file_handler[fd].valid && file_handler[fd].lpt_port >= 1 && file_handler[fd].lpt_port <= 3) {
! 4853: // write to printer port
! 4854: UINT8 *buf = (UINT8 *)buffer;
! 4855: for(unsigned int i = 0; i < count; i++) {
! 4856: // printer_out(file_handler[fd].lpt_port - 1, buf[i]);
! 4857: pcbios_printer_out(file_handler[fd].lpt_port - 1, buf[i]);
! 4858: }
! 4859: return(count);
! 4860: } else if(fd == 1 && file_handler[1].valid && !file_handler[1].atty) {
1.1 root 4861: // CR+LF -> LF
1.1.1.37! root 4862: static int is_cr = 0;
1.1 root 4863: UINT8 *buf = (UINT8 *)buffer;
4864: for(unsigned int i = 0; i < count; i++) {
4865: UINT8 data = buf[i];
4866: if(is_cr) {
4867: if(data != 0x0a) {
4868: UINT8 tmp = 0x0d;
4869: _write(1, &tmp, 1);
4870: }
4871: _write(1, &data, 1);
4872: is_cr = 0;
4873: } else if(data == 0x0d) {
4874: is_cr = 1;
4875: } else {
4876: _write(1, &data, 1);
4877: }
4878: }
4879: return(count);
4880: }
1.1.1.14 root 4881: vram_flush();
1.1 root 4882: return(_write(fd, buffer, count));
4883: }
4884:
4885: void msdos_putch(UINT8 data)
1.1.1.35 root 4886: #ifdef USE_SERVICE_THREAD
4887: {
4888: EnterCriticalSection(&putch_crit_sect);
4889: msdos_putch_tmp(data);
4890: LeaveCriticalSection(&putch_crit_sect);
4891: }
4892: void msdos_putch_tmp(UINT8 data)
4893: #endif
1.1 root 4894: {
1.1.1.34 root 4895: CONSOLE_SCREEN_BUFFER_INFO csbi;
4896: SMALL_RECT rect;
4897: COORD co;
1.1 root 4898: static int p = 0;
4899: static int is_kanji = 0;
4900: static int is_esc = 0;
4901: static int stored_x;
4902: static int stored_y;
4903: static WORD stored_a;
1.1.1.20 root 4904: static char tmp[64], out[64];
1.1 root 4905:
4906: msdos_stdio_reopen();
4907:
1.1.1.20 root 4908: process_t *process = msdos_process_info_get(current_psp);
4909: int fd = msdos_psp_get_file_table(1, current_psp);
4910:
4911: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 4912: // stdout is redirected to file
1.1.1.20 root 4913: msdos_write(fd, &data, 1);
1.1 root 4914: return;
4915: }
1.1.1.23 root 4916: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 4917:
4918: // output to console
4919: tmp[p++] = data;
4920:
1.1.1.14 root 4921: vram_flush();
4922:
1.1 root 4923: if(is_kanji) {
4924: // kanji character
4925: is_kanji = 0;
4926: } else if(is_esc) {
4927: // escape sequense
4928: if((tmp[1] == ')' || tmp[1] == '(') && p == 3) {
4929: p = is_esc = 0;
4930: } else if(tmp[1] == '=' && p == 4) {
4931: co.X = tmp[3] - 0x20;
1.1.1.14 root 4932: co.Y = tmp[2] - 0x20 + scr_top;
1.1 root 4933: SetConsoleCursorPosition(hStdout, co);
4934: mem[0x450 + mem[0x462] * 2] = co.X;
1.1.1.14 root 4935: mem[0x451 + mem[0x462] * 2] = co.Y - scr_top;
1.1 root 4936: cursor_moved = false;
4937: p = is_esc = 0;
4938: } else if((data >= 'a' && data <= 'z') || (data >= 'A' && data <= 'Z') || data == '*') {
4939: GetConsoleScreenBufferInfo(hStdout, &csbi);
4940: co.X = csbi.dwCursorPosition.X;
4941: co.Y = csbi.dwCursorPosition.Y;
4942: WORD wAttributes = csbi.wAttributes;
4943:
4944: if(tmp[1] == 'D') {
4945: co.Y++;
4946: } else if(tmp[1] == 'E') {
4947: co.X = 0;
4948: co.Y++;
4949: } else if(tmp[1] == 'M') {
4950: co.Y--;
4951: } else if(tmp[1] == '*') {
1.1.1.14 root 4952: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
4953: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
4954: co.X = 0;
4955: co.Y = csbi.srWindow.Top;
1.1 root 4956: } else if(tmp[1] == '[') {
4957: int param[256], params = 0;
4958: memset(param, 0, sizeof(param));
4959: for(int i = 2; i < p; i++) {
4960: if(tmp[i] >= '0' && tmp[i] <= '9') {
4961: param[params] *= 10;
4962: param[params] += tmp[i] - '0';
4963: } else {
4964: params++;
4965: }
4966: }
4967: if(data == 'A') {
1.1.1.14 root 4968: co.Y -= (params == 0) ? 1 : param[0];
1.1 root 4969: } else if(data == 'B') {
1.1.1.14 root 4970: co.Y += (params == 0) ? 1 : param[0];
1.1 root 4971: } else if(data == 'C') {
1.1.1.14 root 4972: co.X += (params == 0) ? 1 : param[0];
1.1 root 4973: } else if(data == 'D') {
1.1.1.14 root 4974: co.X -= (params == 0) ? 1 : param[0];
1.1 root 4975: } else if(data == 'H' || data == 'f') {
1.1.1.14 root 4976: co.X = (param[1] == 0 ? 1 : param[1]) - 1;
4977: co.Y = (param[0] == 0 ? 1 : param[0]) - 1 + csbi.srWindow.Top;
1.1 root 4978: } else if(data == 'J') {
1.1.1.14 root 4979: clear_scr_buffer(csbi.wAttributes);
1.1 root 4980: if(param[0] == 0) {
4981: SET_RECT(rect, co.X, co.Y, csbi.dwSize.X - 1, co.Y);
1.1.1.14 root 4982: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
4983: if(co.Y < csbi.srWindow.Bottom) {
4984: SET_RECT(rect, 0, co.Y + 1, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
4985: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 4986: }
4987: } else if(param[0] == 1) {
1.1.1.14 root 4988: if(co.Y > csbi.srWindow.Top) {
4989: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, co.Y - 1);
4990: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 4991: }
4992: SET_RECT(rect, 0, co.Y, co.X, co.Y);
1.1.1.14 root 4993: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 4994: } else if(param[0] == 2) {
1.1.1.14 root 4995: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
4996: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 4997: co.X = co.Y = 0;
4998: }
4999: } else if(data == 'K') {
1.1.1.14 root 5000: clear_scr_buffer(csbi.wAttributes);
1.1 root 5001: if(param[0] == 0) {
5002: SET_RECT(rect, co.X, co.Y, csbi.dwSize.X - 1, co.Y);
1.1.1.14 root 5003: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5004: } else if(param[0] == 1) {
5005: SET_RECT(rect, 0, co.Y, co.X, co.Y);
1.1.1.14 root 5006: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5007: } else if(param[0] == 2) {
5008: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, co.Y);
1.1.1.14 root 5009: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5010: }
5011: } else if(data == 'L') {
1.1.1.14 root 5012: if(params == 0) {
5013: param[0] = 1;
1.1 root 5014: }
1.1.1.14 root 5015: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5016: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5017: SET_RECT(rect, 0, co.Y + param[0], csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5018: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5019: clear_scr_buffer(csbi.wAttributes);
1.1 root 5020: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, co.Y + param[0] - 1);
1.1.1.14 root 5021: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5022: co.X = 0;
5023: } else if(data == 'M') {
1.1.1.14 root 5024: if(params == 0) {
5025: param[0] = 1;
5026: }
5027: if(co.Y + param[0] > csbi.srWindow.Bottom) {
5028: clear_scr_buffer(csbi.wAttributes);
5029: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5030: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 5031: } else {
1.1.1.14 root 5032: SET_RECT(rect, 0, co.Y + param[0], csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5033: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5034: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
5035: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
5036: clear_scr_buffer(csbi.wAttributes);
1.1 root 5037: }
5038: co.X = 0;
5039: } else if(data == 'h') {
5040: if(tmp[2] == '>' && tmp[3] == '5') {
5041: CONSOLE_CURSOR_INFO cur;
5042: GetConsoleCursorInfo(hStdout, &cur);
5043: if(cur.bVisible) {
5044: cur.bVisible = FALSE;
1.1.1.14 root 5045: // SetConsoleCursorInfo(hStdout, &cur);
1.1 root 5046: }
5047: }
5048: } else if(data == 'l') {
5049: if(tmp[2] == '>' && tmp[3] == '5') {
5050: CONSOLE_CURSOR_INFO cur;
5051: GetConsoleCursorInfo(hStdout, &cur);
5052: if(!cur.bVisible) {
5053: cur.bVisible = TRUE;
1.1.1.14 root 5054: // SetConsoleCursorInfo(hStdout, &cur);
1.1 root 5055: }
5056: }
5057: } else if(data == 'm') {
5058: wAttributes = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
5059: int reverse = 0, hidden = 0;
5060: for(int i = 0; i < params; i++) {
5061: if(param[i] == 1) {
5062: wAttributes |= FOREGROUND_INTENSITY;
5063: } else if(param[i] == 4) {
5064: wAttributes |= COMMON_LVB_UNDERSCORE;
5065: } else if(param[i] == 7) {
5066: reverse = 1;
5067: } else if(param[i] == 8 || param[i] == 16) {
5068: hidden = 1;
5069: } else if((param[i] >= 17 && param[i] <= 23) || (param[i] >= 30 && param[i] <= 37)) {
5070: wAttributes &= ~(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
5071: if(param[i] >= 17 && param[i] <= 23) {
5072: param[i] -= 16;
5073: } else {
5074: param[i] -= 30;
5075: }
5076: if(param[i] & 1) {
5077: wAttributes |= FOREGROUND_RED;
5078: }
5079: if(param[i] & 2) {
5080: wAttributes |= FOREGROUND_GREEN;
5081: }
5082: if(param[i] & 4) {
5083: wAttributes |= FOREGROUND_BLUE;
5084: }
5085: } else if(param[i] >= 40 && param[i] <= 47) {
5086: wAttributes &= ~(BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE);
5087: if((param[i] - 40) & 1) {
5088: wAttributes |= BACKGROUND_RED;
5089: }
5090: if((param[i] - 40) & 2) {
5091: wAttributes |= BACKGROUND_GREEN;
5092: }
5093: if((param[i] - 40) & 4) {
5094: wAttributes |= BACKGROUND_BLUE;
5095: }
5096: }
5097: }
5098: if(reverse) {
5099: wAttributes &= ~0xff;
5100: wAttributes |= BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE;
5101: }
5102: if(hidden) {
5103: wAttributes &= ~0x0f;
5104: wAttributes |= (wAttributes >> 4) & 0x0f;
5105: }
5106: } else if(data == 'n') {
5107: if(param[0] == 6) {
5108: char tmp[16];
5109: sprintf(tmp, "\x1b[%d;%dR", co.Y + 1, co.X + 1);
5110: int len = strlen(tmp);
1.1.1.32 root 5111: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 5112: #ifdef USE_SERVICE_THREAD
5113: EnterCriticalSection(&key_buf_crit_sect);
5114: #endif
1.1.1.32 root 5115: for(int i = 0; i < len; i++) {
5116: key_buf_char->write(tmp[i]);
5117: key_buf_scan->write(0x00);
5118: }
1.1.1.35 root 5119: #ifdef USE_SERVICE_THREAD
5120: LeaveCriticalSection(&key_buf_crit_sect);
5121: #endif
1.1 root 5122: }
5123: }
5124: } else if(data == 's') {
5125: stored_x = co.X;
5126: stored_y = co.Y;
5127: stored_a = wAttributes;
5128: } else if(data == 'u') {
5129: co.X = stored_x;
5130: co.Y = stored_y;
5131: wAttributes = stored_a;
5132: }
5133: }
5134: if(co.X < 0) {
5135: co.X = 0;
5136: } else if(co.X >= csbi.dwSize.X) {
5137: co.X = csbi.dwSize.X - 1;
5138: }
1.1.1.14 root 5139: if(co.Y < csbi.srWindow.Top) {
5140: co.Y = csbi.srWindow.Top;
5141: } else if(co.Y > csbi.srWindow.Bottom) {
5142: co.Y = csbi.srWindow.Bottom;
1.1 root 5143: }
5144: if(co.X != csbi.dwCursorPosition.X || co.Y != csbi.dwCursorPosition.Y) {
5145: SetConsoleCursorPosition(hStdout, co);
5146: mem[0x450 + mem[0x462] * 2] = co.X;
1.1.1.14 root 5147: mem[0x451 + mem[0x462] * 2] = co.Y - csbi.srWindow.Top;
1.1 root 5148: cursor_moved = false;
5149: }
5150: if(wAttributes != csbi.wAttributes) {
5151: SetConsoleTextAttribute(hStdout, wAttributes);
5152: }
5153: p = is_esc = 0;
5154: }
5155: return;
5156: } else {
5157: if(msdos_lead_byte_check(data)) {
5158: is_kanji = 1;
5159: return;
5160: } else if(data == 0x1b) {
5161: is_esc = 1;
5162: return;
5163: }
5164: }
1.1.1.20 root 5165:
5166: DWORD q = 0, num;
5167: is_kanji = 0;
5168: for(int i = 0; i < p; i++) {
5169: UINT8 c = tmp[i];
5170: if(is_kanji) {
5171: is_kanji = 0;
5172: } else if(msdos_lead_byte_check(data)) {
5173: is_kanji = 1;
5174: } else if(msdos_ctrl_code_check(data)) {
5175: out[q++] = '^';
5176: c += 'A' - 1;
5177: }
5178: out[q++] = c;
5179: }
1.1.1.34 root 5180: if(q == 1 && out[0] == 0x08) {
5181: // back space
5182: GetConsoleScreenBufferInfo(hStdout, &csbi);
5183: if(csbi.dwCursorPosition.X > 0) {
5184: co.X = csbi.dwCursorPosition.X - 1;
5185: co.Y = csbi.dwCursorPosition.Y;
5186: SetConsoleCursorPosition(hStdout, co);
5187: } else if(csbi.dwCursorPosition.Y > 0) {
5188: co.X = csbi.dwSize.X - 1;
5189: co.Y = csbi.dwCursorPosition.Y - 1;
5190: SetConsoleCursorPosition(hStdout, co);
5191: } else {
5192: WriteConsole(hStdout, out, q, &num, NULL); // to make sure
5193: }
5194: } else {
5195: WriteConsole(hStdout, out, q, &num, NULL);
5196: }
1.1 root 5197: p = 0;
1.1.1.14 root 5198:
1.1.1.15 root 5199: if(!restore_console_on_exit) {
5200: GetConsoleScreenBufferInfo(hStdout, &csbi);
5201: scr_top = csbi.srWindow.Top;
5202: }
1.1 root 5203: cursor_moved = true;
5204: }
5205:
5206: int msdos_aux_in()
5207: {
1.1.1.21 root 5208: msdos_stdio_reopen();
5209:
1.1.1.20 root 5210: process_t *process = msdos_process_info_get(current_psp);
5211: int fd = msdos_psp_get_file_table(3, current_psp);
5212:
5213: if(fd < process->max_files && file_handler[fd].valid && !eof(fd)) {
1.1 root 5214: char data = 0;
1.1.1.37! root 5215: msdos_read(fd, &data, 1);
1.1 root 5216: return(data);
5217: } else {
5218: return(EOF);
5219: }
5220: }
5221:
5222: void msdos_aux_out(char data)
5223: {
1.1.1.21 root 5224: msdos_stdio_reopen();
5225:
1.1.1.20 root 5226: process_t *process = msdos_process_info_get(current_psp);
5227: int fd = msdos_psp_get_file_table(3, current_psp);
5228:
5229: if(fd < process->max_files && file_handler[fd].valid) {
5230: msdos_write(fd, &data, 1);
1.1 root 5231: }
5232: }
5233:
5234: void msdos_prn_out(char data)
5235: {
1.1.1.21 root 5236: msdos_stdio_reopen();
5237:
1.1.1.20 root 5238: process_t *process = msdos_process_info_get(current_psp);
5239: int fd = msdos_psp_get_file_table(4, current_psp);
5240:
5241: if(fd < process->max_files && file_handler[fd].valid) {
5242: msdos_write(fd, &data, 1);
1.1 root 5243: }
5244: }
5245:
5246: // memory control
5247:
1.1.1.19 root 5248: mcb_t *msdos_mcb_create(int mcb_seg, UINT8 mz, UINT16 psp, int paragraphs)
1.1 root 5249: {
5250: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5251:
5252: mcb->mz = mz;
5253: mcb->psp = psp;
1.1.1.30 root 5254: mcb->paragraphs = paragraphs;
1.1 root 5255: return(mcb);
5256: }
5257:
5258: void msdos_mcb_check(mcb_t *mcb)
5259: {
5260: if(!(mcb->mz == 'M' || mcb->mz == 'Z')) {
1.1.1.28 root 5261: #if 0
5262: // shutdown now !!!
5263: fatalerror("broken memory control block\n");
5264: #else
5265: // return error code and continue
5266: throw(0x07); // broken memory control block
5267: #endif
1.1 root 5268: }
5269: }
5270:
5271: int msdos_mem_split(int seg, int paragraphs)
5272: {
5273: int mcb_seg = seg - 1;
5274: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5275: msdos_mcb_check(mcb);
5276:
1.1.1.30 root 5277: if(mcb->paragraphs > paragraphs) {
1.1 root 5278: int new_seg = mcb_seg + 1 + paragraphs;
1.1.1.30 root 5279: int new_paragraphs = mcb->paragraphs - paragraphs - 1;
1.1 root 5280:
5281: msdos_mcb_create(new_seg, mcb->mz, 0, new_paragraphs);
5282: mcb->mz = 'M';
1.1.1.30 root 5283: mcb->paragraphs = paragraphs;
1.1 root 5284: return(0);
5285: }
5286: return(-1);
5287: }
5288:
5289: void msdos_mem_merge(int seg)
5290: {
5291: int mcb_seg = seg - 1;
5292: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5293: msdos_mcb_check(mcb);
5294:
5295: while(1) {
5296: if(mcb->mz == 'Z') {
5297: break;
5298: }
1.1.1.30 root 5299: int next_seg = mcb_seg + 1 + mcb->paragraphs;
1.1 root 5300: mcb_t *next_mcb = (mcb_t *)(mem + (next_seg << 4));
5301: msdos_mcb_check(next_mcb);
5302:
5303: if(next_mcb->psp != 0) {
5304: break;
5305: }
5306: mcb->mz = next_mcb->mz;
1.1.1.30 root 5307: mcb->paragraphs = mcb->paragraphs + 1 + next_mcb->paragraphs;
1.1 root 5308: }
5309: }
5310:
1.1.1.8 root 5311: int msdos_mem_alloc(int mcb_seg, int paragraphs, int new_process)
1.1 root 5312: {
5313: while(1) {
5314: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1.1.33 root 5315: bool last_block;
1.1 root 5316:
1.1.1.14 root 5317: if(mcb->psp == 0) {
5318: msdos_mem_merge(mcb_seg + 1);
5319: } else {
5320: msdos_mcb_check(mcb);
5321: }
1.1.1.33 root 5322: if(!(last_block = (mcb->mz == 'Z'))) {
5323: // check if the next is dummy mcb to link to umb
5324: int next_seg = mcb_seg + 1 + mcb->paragraphs;
5325: mcb_t *next_mcb = (mcb_t *)(mem + (next_seg << 4));
5326: last_block = (next_mcb->mz == 'Z' && next_mcb->paragraphs == 0);
5327: }
5328: if(!(new_process && !last_block)) {
1.1.1.30 root 5329: if(mcb->psp == 0 && mcb->paragraphs >= paragraphs) {
1.1 root 5330: msdos_mem_split(mcb_seg + 1, paragraphs);
5331: mcb->psp = current_psp;
5332: return(mcb_seg + 1);
5333: }
5334: }
5335: if(mcb->mz == 'Z') {
5336: break;
5337: }
1.1.1.30 root 5338: mcb_seg += 1 + mcb->paragraphs;
1.1 root 5339: }
5340: return(-1);
5341: }
5342:
5343: int msdos_mem_realloc(int seg, int paragraphs, int *max_paragraphs)
5344: {
5345: int mcb_seg = seg - 1;
5346: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5347: msdos_mcb_check(mcb);
1.1.1.30 root 5348: int current_paragraphs = mcb->paragraphs;
1.1 root 5349:
5350: msdos_mem_merge(seg);
1.1.1.30 root 5351: if(paragraphs > mcb->paragraphs) {
1.1.1.14 root 5352: if(max_paragraphs) {
1.1.1.30 root 5353: *max_paragraphs = mcb->paragraphs;
1.1.1.14 root 5354: }
1.1 root 5355: msdos_mem_split(seg, current_paragraphs);
5356: return(-1);
5357: }
5358: msdos_mem_split(seg, paragraphs);
5359: return(0);
5360: }
5361:
5362: void msdos_mem_free(int seg)
5363: {
5364: int mcb_seg = seg - 1;
5365: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5366: msdos_mcb_check(mcb);
5367:
5368: mcb->psp = 0;
5369: msdos_mem_merge(seg);
5370: }
5371:
1.1.1.8 root 5372: int msdos_mem_get_free(int mcb_seg, int new_process)
1.1 root 5373: {
5374: int max_paragraphs = 0;
5375:
5376: while(1) {
5377: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1.1.33 root 5378: bool last_block;
5379:
1.1 root 5380: msdos_mcb_check(mcb);
5381:
1.1.1.33 root 5382: if(!(last_block = (mcb->mz == 'Z'))) {
5383: // check if the next is dummy mcb to link to umb
5384: int next_seg = mcb_seg + 1 + mcb->paragraphs;
5385: mcb_t *next_mcb = (mcb_t *)(mem + (next_seg << 4));
5386: last_block = (next_mcb->mz == 'Z' && next_mcb->paragraphs == 0);
5387: }
5388: if(!(new_process && !last_block)) {
1.1.1.30 root 5389: if(mcb->psp == 0 && mcb->paragraphs > max_paragraphs) {
5390: max_paragraphs = mcb->paragraphs;
1.1 root 5391: }
5392: }
5393: if(mcb->mz == 'Z') {
5394: break;
5395: }
1.1.1.30 root 5396: mcb_seg += 1 + mcb->paragraphs;
1.1 root 5397: }
1.1.1.14 root 5398: return(max_paragraphs > 0x7fff && limit_max_memory ? 0x7fff : max_paragraphs);
1.1 root 5399: }
5400:
1.1.1.8 root 5401: int msdos_mem_get_last_mcb(int mcb_seg, UINT16 psp)
5402: {
5403: int last_seg = -1;
5404:
5405: while(1) {
5406: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
5407: msdos_mcb_check(mcb);
5408:
1.1.1.14 root 5409: if(mcb->psp == psp) {
1.1.1.8 root 5410: last_seg = mcb_seg;
5411: }
1.1.1.14 root 5412: if(mcb->mz == 'Z') {
5413: break;
5414: }
1.1.1.30 root 5415: mcb_seg += 1 + mcb->paragraphs;
1.1.1.8 root 5416: }
5417: return(last_seg);
5418: }
5419:
1.1.1.19 root 5420: int msdos_mem_get_umb_linked()
5421: {
1.1.1.33 root 5422: mcb_t *mcb = (mcb_t *)(mem + MEMORY_END - 16);
5423: msdos_mcb_check(mcb);
1.1.1.19 root 5424:
1.1.1.33 root 5425: if(mcb->mz == 'M') {
5426: return(-1);
1.1.1.19 root 5427: }
5428: return(0);
5429: }
5430:
1.1.1.33 root 5431: void msdos_mem_link_umb()
1.1.1.19 root 5432: {
1.1.1.33 root 5433: mcb_t *mcb = (mcb_t *)(mem + MEMORY_END - 16);
5434: msdos_mcb_check(mcb);
1.1.1.19 root 5435:
1.1.1.33 root 5436: mcb->mz = 'M';
5437: mcb->paragraphs = (UMB_TOP >> 4) - (MEMORY_END >> 4);
1.1.1.19 root 5438: }
5439:
1.1.1.33 root 5440: void msdos_mem_unlink_umb()
1.1.1.19 root 5441: {
1.1.1.33 root 5442: mcb_t *mcb = (mcb_t *)(mem + MEMORY_END - 16);
5443: msdos_mcb_check(mcb);
1.1.1.19 root 5444:
1.1.1.33 root 5445: mcb->mz = 'Z';
5446: mcb->paragraphs = 0;
1.1.1.19 root 5447: }
5448:
1.1.1.29 root 5449: #ifdef SUPPORT_HMA
5450:
5451: hma_mcb_t *msdos_hma_mcb_create(int offset, int owner, int size, int next)
5452: {
5453: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5454:
5455: mcb->ms[0] = 'M';
5456: mcb->ms[1] = 'S';
5457: mcb->owner = owner;
5458: mcb->size = size;
5459: mcb->next = next;
5460: return(mcb);
5461: }
5462:
5463: bool msdos_is_hma_mcb_valid(hma_mcb_t *mcb)
5464: {
5465: return(mcb->ms[0] == 'M' && mcb->ms[1] == 'S');
5466: }
5467:
5468: int msdos_hma_mem_split(int offset, int size)
5469: {
5470: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5471:
5472: if(!msdos_is_hma_mcb_valid(mcb)) {
5473: return(-1);
5474: }
5475: if(mcb->size >= size + 0x10) {
5476: int new_offset = offset + 0x10 + size;
5477: int new_size = mcb->size - 0x10 - size;
5478:
5479: msdos_hma_mcb_create(new_offset, 0, new_size, mcb->next);
5480: mcb->size = size;
5481: mcb->next = new_offset;
5482: return(0);
5483: }
5484: return(-1);
5485: }
5486:
5487: void msdos_hma_mem_merge(int offset)
5488: {
5489: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5490:
5491: if(!msdos_is_hma_mcb_valid(mcb)) {
5492: return;
5493: }
5494: while(1) {
5495: if(mcb->next == 0) {
5496: break;
5497: }
5498: hma_mcb_t *next_mcb = (hma_mcb_t *)(mem + 0xffff0 + mcb->next);
5499:
5500: if(!msdos_is_hma_mcb_valid(next_mcb)) {
5501: return;
5502: }
5503: if(next_mcb->owner != 0) {
5504: break;
5505: }
5506: mcb->size += 0x10 + next_mcb->size;
5507: mcb->next = next_mcb->next;
5508: }
5509: }
5510:
5511: int msdos_hma_mem_alloc(int size, UINT16 owner)
5512: {
5513: int offset = 0x10; // first mcb in HMA
5514:
5515: while(1) {
5516: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5517:
5518: if(!msdos_is_hma_mcb_valid(mcb)) {
5519: return(-1);
5520: }
5521: if(mcb->owner == 0) {
5522: msdos_hma_mem_merge(offset);
5523: }
5524: if(mcb->owner == 0 && mcb->size >= size) {
5525: msdos_hma_mem_split(offset, size);
5526: mcb->owner = owner;
5527: return(offset);
5528: }
5529: if(mcb->next == 0) {
5530: break;
5531: }
5532: offset = mcb->next;
5533: }
5534: return(-1);
5535: }
5536:
5537: int msdos_hma_mem_realloc(int offset, int size)
5538: {
5539: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5540:
5541: if(!msdos_is_hma_mcb_valid(mcb)) {
5542: return(-1);
5543: }
5544: if(mcb->size < size) {
5545: return(-1);
5546: }
5547: msdos_hma_mem_split(offset, size);
5548: return(0);
5549: }
5550:
5551: void msdos_hma_mem_free(int offset)
5552: {
5553: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5554:
5555: if(!msdos_is_hma_mcb_valid(mcb)) {
5556: return;
5557: }
5558: mcb->owner = 0;
5559: msdos_hma_mem_merge(offset);
5560: }
5561:
5562: int msdos_hma_mem_get_free(int *available_offset)
5563: {
5564: int offset = 0x10; // first mcb in HMA
5565: int size = 0;
5566:
5567: while(1) {
5568: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
5569:
5570: if(!msdos_is_hma_mcb_valid(mcb)) {
5571: return(0);
5572: }
5573: if(mcb->owner == 0 && size < mcb->size) {
5574: if(available_offset != NULL) {
5575: *available_offset = offset;
5576: }
5577: size = mcb->size;
5578: }
5579: if(mcb->next == 0) {
5580: break;
5581: }
5582: offset = mcb->next;
5583: }
5584: return(size);
5585: }
5586:
5587: #endif
5588:
1.1 root 5589: // environment
5590:
5591: void msdos_env_set_argv(int env_seg, char *argv)
5592: {
5593: char *dst = (char *)(mem + (env_seg << 4));
5594:
5595: while(1) {
5596: if(dst[0] == 0) {
5597: break;
5598: }
5599: dst += strlen(dst) + 1;
5600: }
5601: *dst++ = 0; // end of environment
5602: *dst++ = 1; // top of argv[0]
5603: *dst++ = 0;
5604: memcpy(dst, argv, strlen(argv));
5605: dst += strlen(argv);
5606: *dst++ = 0;
5607: *dst++ = 0;
5608: }
5609:
5610: char *msdos_env_get_argv(int env_seg)
5611: {
5612: static char env[ENV_SIZE];
5613: char *src = env;
5614:
5615: memcpy(src, mem + (env_seg << 4), ENV_SIZE);
5616: while(1) {
5617: if(src[0] == 0) {
5618: if(src[1] == 1) {
5619: return(src + 3);
5620: }
5621: break;
5622: }
5623: src += strlen(src) + 1;
5624: }
5625: return(NULL);
5626: }
5627:
5628: char *msdos_env_get(int env_seg, const char *name)
5629: {
5630: static char env[ENV_SIZE];
5631: char *src = env;
5632:
5633: memcpy(src, mem + (env_seg << 4), ENV_SIZE);
5634: while(1) {
5635: if(src[0] == 0) {
5636: break;
5637: }
5638: int len = strlen(src);
5639: char *n = my_strtok(src, "=");
5640: char *v = src + strlen(n) + 1;
5641:
5642: if(_stricmp(name, n) == 0) {
5643: return(v);
5644: }
5645: src += len + 1;
5646: }
5647: return(NULL);
5648: }
5649:
5650: void msdos_env_set(int env_seg, char *name, char *value)
5651: {
5652: char env[ENV_SIZE];
5653: char *src = env;
5654: char *dst = (char *)(mem + (env_seg << 4));
5655: char *argv = msdos_env_get_argv(env_seg);
5656: int done = 0;
5657:
5658: memcpy(src, dst, ENV_SIZE);
5659: memset(dst, 0, 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: char tmp[1024];
5668:
5669: if(_stricmp(name, n) == 0) {
5670: sprintf(tmp, "%s=%s", n, value);
5671: done = 1;
5672: } else {
5673: sprintf(tmp, "%s=%s", n, v);
5674: }
5675: memcpy(dst, tmp, strlen(tmp));
5676: dst += strlen(tmp) + 1;
5677: src += len + 1;
5678: }
5679: if(!done) {
5680: char tmp[1024];
5681:
5682: sprintf(tmp, "%s=%s", name, value);
5683: memcpy(dst, tmp, strlen(tmp));
5684: dst += strlen(tmp) + 1;
5685: }
5686: if(argv) {
5687: *dst++ = 0; // end of environment
5688: *dst++ = 1; // top of argv[0]
5689: *dst++ = 0;
5690: memcpy(dst, argv, strlen(argv));
5691: dst += strlen(argv);
5692: *dst++ = 0;
5693: *dst++ = 0;
5694: }
5695: }
5696:
5697: // process
5698:
1.1.1.8 root 5699: psp_t *msdos_psp_create(int psp_seg, UINT16 mcb_seg, UINT16 parent_psp, UINT16 env_seg)
1.1 root 5700: {
5701: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
5702:
5703: memset(psp, 0, PSP_SIZE);
5704: psp->exit[0] = 0xcd;
5705: psp->exit[1] = 0x20;
1.1.1.8 root 5706: psp->first_mcb = mcb_seg;
1.1 root 5707: psp->far_call = 0xea;
5708: psp->cpm_entry.w.l = 0xfff1; // int 21h, retf
5709: psp->cpm_entry.w.h = 0xf000;
5710: psp->int_22h.dw = *(UINT32 *)(mem + 4 * 0x22);
5711: psp->int_23h.dw = *(UINT32 *)(mem + 4 * 0x23);
5712: psp->int_24h.dw = *(UINT32 *)(mem + 4 * 0x24);
5713: psp->parent_psp = parent_psp;
1.1.1.20 root 5714: if(parent_psp == (UINT16)-1) {
5715: for(int i = 0; i < 20; i++) {
5716: if(file_handler[i].valid) {
5717: psp->file_table[i] = i;
5718: } else {
5719: psp->file_table[i] = 0xff;
5720: }
1.1 root 5721: }
1.1.1.20 root 5722: } else {
5723: memcpy(psp->file_table, ((psp_t *)(mem + (parent_psp << 4)))->file_table, 20);
1.1 root 5724: }
5725: psp->env_seg = env_seg;
5726: psp->stack.w.l = REG16(SP);
1.1.1.3 root 5727: psp->stack.w.h = SREG(SS);
1.1.1.14 root 5728: psp->file_table_size = 20;
5729: psp->file_table_ptr.w.l = 0x18;
5730: psp->file_table_ptr.w.h = psp_seg;
1.1 root 5731: psp->service[0] = 0xcd;
5732: psp->service[1] = 0x21;
5733: psp->service[2] = 0xcb;
5734: return(psp);
5735: }
5736:
1.1.1.20 root 5737: void msdos_psp_set_file_table(int fd, UINT8 value, int psp_seg)
5738: {
5739: if(psp_seg && fd < 20) {
5740: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
5741: psp->file_table[fd] = value;
5742: }
5743: }
5744:
5745: int msdos_psp_get_file_table(int fd, int psp_seg)
5746: {
5747: if(psp_seg && fd < 20) {
5748: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
5749: fd = psp->file_table[fd];
5750: }
5751: return fd;
5752: }
5753:
1.1 root 5754: int msdos_process_exec(char *cmd, param_block_t *param, UINT8 al)
5755: {
5756: // load command file
5757: int fd = -1;
5758: int dos_command = 0;
1.1.1.24 root 5759: char command[MAX_PATH], path[MAX_PATH], opt[MAX_PATH], *name = NULL, name_tmp[MAX_PATH];
1.1 root 5760:
5761: int opt_ofs = (param->cmd_line.w.h << 4) + param->cmd_line.w.l;
5762: int opt_len = mem[opt_ofs];
5763: memset(opt, 0, sizeof(opt));
5764: memcpy(opt, mem + opt_ofs + 1, opt_len);
5765:
1.1.1.14 root 5766: if(strlen(cmd) >= 5 && _stricmp(&cmd[strlen(cmd) - 4], ".BAT") == 0) {
5767: // this is a batch file, run command.com
5768: char tmp[MAX_PATH];
5769: if(opt_len != 0) {
5770: sprintf(tmp, "/C %s %s", cmd, opt);
5771: } else {
5772: sprintf(tmp, "/C %s", cmd);
5773: }
5774: strcpy(opt, tmp);
5775: opt_len = strlen(opt);
5776: mem[opt_ofs] = opt_len;
5777: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
5778: strcpy(command, comspec_path);
5779: strcpy(name_tmp, "COMMAND.COM");
5780: } else {
5781: if(_stricmp(cmd, "C:\\COMMAND.COM") == 0) {
5782: // redirect C:\COMMAND.COM to comspec_path
5783: strcpy(command, comspec_path);
5784: } else {
5785: strcpy(command, cmd);
5786: }
1.1.1.24 root 5787: if(GetFullPathName(command, MAX_PATH, path, &name) == 0) {
5788: return(-1);
5789: }
1.1.1.14 root 5790: memset(name_tmp, 0, sizeof(name_tmp));
5791: strcpy(name_tmp, name);
5792:
5793: // check command.com
5794: if(_stricmp(name, "COMMAND.COM") == 0 || _stricmp(name, "COMMAND") == 0) {
5795: if(opt_len == 0) {
5796: // process_t *current_process = msdos_process_info_get(current_psp);
5797: process_t *current_process = NULL;
5798: for(int i = 0; i < MAX_PROCESS; i++) {
5799: if(process[i].psp == current_psp) {
5800: current_process = &process[i];
5801: break;
5802: }
5803: }
5804: if(current_process != NULL) {
5805: param->cmd_line.dw = current_process->dta.dw;
5806: opt_ofs = (param->cmd_line.w.h << 4) + param->cmd_line.w.l;
5807: opt_len = mem[opt_ofs];
5808: memset(opt, 0, sizeof(opt));
5809: memcpy(opt, mem + opt_ofs + 1, opt_len);
5810: }
5811: }
5812: for(int i = 0; i < opt_len; i++) {
5813: if(opt[i] == ' ') {
5814: continue;
5815: }
5816: if(opt[i] == '/' && (opt[i + 1] == 'c' || opt[i + 1] == 'C') && opt[i + 2] == ' ') {
5817: for(int j = i + 3; j < opt_len; j++) {
5818: if(opt[j] == ' ') {
5819: continue;
5820: }
5821: char *token = my_strtok(opt + j, " ");
5822:
5823: if(strlen(token) >= 5 && _stricmp(&token[strlen(token) - 4], ".BAT") == 0) {
5824: // this is a batch file, okay to run command.com
5825: } else {
5826: // run program directly without command.com
5827: strcpy(command, token);
5828: char tmp[MAX_PATH];
5829: strcpy(tmp, token + strlen(token) + 1);
5830: strcpy(opt, tmp);
5831: opt_len = strlen(opt);
5832: mem[opt_ofs] = opt_len;
5833: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
5834: dos_command = 1;
5835: }
5836: break;
1.1 root 5837: }
5838: }
1.1.1.14 root 5839: break;
1.1 root 5840: }
5841: }
5842: }
5843:
5844: // load command file
5845: strcpy(path, command);
5846: if((fd = _open(path, _O_RDONLY | _O_BINARY)) == -1) {
5847: sprintf(path, "%s.COM", command);
5848: if((fd = _open(path, _O_RDONLY | _O_BINARY)) == -1) {
5849: sprintf(path, "%s.EXE", command);
5850: if((fd = _open(path, _O_RDONLY | _O_BINARY)) == -1) {
1.1.1.14 root 5851: sprintf(path, "%s.BAT", command);
5852: if(_access(path, 0) == 0) {
5853: // this is a batch file, run command.com
5854: char tmp[MAX_PATH];
5855: if(opt_len != 0) {
5856: sprintf(tmp, "/C %s %s", path, opt);
5857: } else {
5858: sprintf(tmp, "/C %s", path);
5859: }
5860: strcpy(opt, tmp);
5861: opt_len = strlen(opt);
5862: mem[opt_ofs] = opt_len;
5863: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
5864: strcpy(path, comspec_path);
5865: strcpy(name_tmp, "COMMAND.COM");
5866: fd = _open(path, _O_RDONLY | _O_BINARY);
5867: } else {
5868: // search path in parent environments
5869: psp_t *parent_psp = (psp_t *)(mem + (current_psp << 4));
5870: char *env = msdos_env_get(parent_psp->env_seg, "PATH");
5871: if(env != NULL) {
5872: char env_path[4096];
5873: strcpy(env_path, env);
5874: char *token = my_strtok(env_path, ";");
5875:
5876: while(token != NULL) {
5877: if(strlen(token) != 0) {
5878: sprintf(path, "%s", msdos_combine_path(token, command));
5879: if((fd = _open(path, _O_RDONLY | _O_BINARY)) != -1) {
5880: break;
5881: }
5882: sprintf(path, "%s.COM", msdos_combine_path(token, command));
5883: if((fd = _open(path, _O_RDONLY | _O_BINARY)) != -1) {
5884: break;
5885: }
5886: sprintf(path, "%s.EXE", msdos_combine_path(token, command));
5887: if((fd = _open(path, _O_RDONLY | _O_BINARY)) != -1) {
5888: break;
5889: }
5890: sprintf(path, "%s.BAT", msdos_combine_path(token, command));
5891: if(_access(path, 0) == 0) {
5892: // this is a batch file, run command.com
5893: char tmp[MAX_PATH];
5894: if(opt_len != 0) {
5895: sprintf(tmp, "/C %s %s", path, opt);
5896: } else {
5897: sprintf(tmp, "/C %s", path);
5898: }
5899: strcpy(opt, tmp);
5900: opt_len = strlen(opt);
5901: mem[opt_ofs] = opt_len;
5902: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
5903: strcpy(path, comspec_path);
5904: strcpy(name_tmp, "COMMAND.COM");
5905: fd = _open(path, _O_RDONLY | _O_BINARY);
5906: break;
5907: }
1.1.1.8 root 5908: }
1.1.1.14 root 5909: token = my_strtok(NULL, ";");
1.1 root 5910: }
5911: }
5912: }
5913: }
5914: }
5915: }
5916: if(fd == -1) {
5917: if(dos_command) {
5918: // may be dos command
5919: char tmp[MAX_PATH];
5920: sprintf(tmp, "%s %s", command, opt);
5921: system(tmp);
5922: return(0);
5923: } else {
5924: return(-1);
5925: }
5926: }
5927: _read(fd, file_buffer, sizeof(file_buffer));
5928: _close(fd);
5929:
5930: // copy environment
1.1.1.29 root 5931: int umb_linked, env_seg, psp_seg;
1.1 root 5932:
1.1.1.29 root 5933: if((umb_linked = msdos_mem_get_umb_linked()) != 0) {
5934: msdos_mem_unlink_umb();
5935: }
1.1.1.8 root 5936: if((env_seg = msdos_mem_alloc(first_mcb, ENV_SIZE >> 4, 1)) == -1) {
1.1.1.29 root 5937: if((env_seg = msdos_mem_alloc(UMB_TOP >> 4, ENV_SIZE >> 4, 1)) == -1) {
5938: if(umb_linked != 0) {
5939: msdos_mem_link_umb();
5940: }
5941: return(-1);
5942: }
1.1 root 5943: }
5944: if(param->env_seg == 0) {
5945: psp_t *parent_psp = (psp_t *)(mem + (current_psp << 4));
5946: memcpy(mem + (env_seg << 4), mem + (parent_psp->env_seg << 4), ENV_SIZE);
5947: } else {
5948: memcpy(mem + (env_seg << 4), mem + (param->env_seg << 4), ENV_SIZE);
5949: }
5950: msdos_env_set_argv(env_seg, msdos_short_full_path(path));
5951:
5952: // check exe header
5953: exe_header_t *header = (exe_header_t *)file_buffer;
1.1.1.8 root 5954: int paragraphs, free_paragraphs = msdos_mem_get_free(first_mcb, 1);
1.1 root 5955: UINT16 cs, ss, ip, sp;
5956:
5957: if(header->mz == 0x4d5a || header->mz == 0x5a4d) {
5958: // memory allocation
5959: int header_size = header->header_size * 16;
5960: int load_size = header->pages * 512 - header_size;
5961: if(header_size + load_size < 512) {
5962: load_size = 512 - header_size;
5963: }
5964: paragraphs = (PSP_SIZE + load_size) >> 4;
5965: if(paragraphs + header->min_alloc > free_paragraphs) {
5966: msdos_mem_free(env_seg);
5967: return(-1);
5968: }
5969: paragraphs += header->max_alloc ? header->max_alloc : header->min_alloc;
5970: if(paragraphs > free_paragraphs) {
5971: paragraphs = free_paragraphs;
5972: }
1.1.1.8 root 5973: if((psp_seg = msdos_mem_alloc(first_mcb, paragraphs, 1)) == -1) {
1.1.1.29 root 5974: if((psp_seg = msdos_mem_alloc(UMB_TOP >> 4, paragraphs, 1)) == -1) {
5975: if(umb_linked != 0) {
5976: msdos_mem_link_umb();
5977: }
5978: msdos_mem_free(env_seg);
5979: return(-1);
5980: }
1.1 root 5981: }
5982: // relocation
5983: int start_seg = psp_seg + (PSP_SIZE >> 4);
5984: for(int i = 0; i < header->relocations; i++) {
5985: int ofs = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 0);
5986: int seg = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 2);
5987: *(UINT16 *)(file_buffer + header_size + (seg << 4) + ofs) += start_seg;
5988: }
5989: memcpy(mem + (start_seg << 4), file_buffer + header_size, load_size);
5990: // segments
5991: cs = header->init_cs + start_seg;
5992: ss = header->init_ss + start_seg;
5993: ip = header->init_ip;
5994: sp = header->init_sp - 2; // for symdeb
5995: } else {
5996: // memory allocation
5997: paragraphs = free_paragraphs;
1.1.1.8 root 5998: if((psp_seg = msdos_mem_alloc(first_mcb, paragraphs, 1)) == -1) {
1.1.1.29 root 5999: if((psp_seg = msdos_mem_alloc(UMB_TOP >> 4, paragraphs, 1)) == -1) {
6000: if(umb_linked != 0) {
6001: msdos_mem_link_umb();
6002: }
6003: msdos_mem_free(env_seg);
6004: return(-1);
6005: }
1.1 root 6006: }
6007: int start_seg = psp_seg + (PSP_SIZE >> 4);
6008: memcpy(mem + (start_seg << 4), file_buffer, 0x10000 - PSP_SIZE);
6009: // segments
6010: cs = ss = psp_seg;
6011: ip = 0x100;
6012: sp = 0xfffe;
6013: }
1.1.1.29 root 6014: if(umb_linked != 0) {
6015: msdos_mem_link_umb();
6016: }
1.1 root 6017:
6018: // create psp
1.1.1.3 root 6019: *(UINT16 *)(mem + 4 * 0x22 + 0) = m_eip;
6020: *(UINT16 *)(mem + 4 * 0x22 + 2) = SREG(CS);
1.1 root 6021: psp_t *psp = msdos_psp_create(psp_seg, psp_seg + paragraphs, current_psp, env_seg);
6022: memcpy(psp->fcb1, mem + (param->fcb1.w.h << 4) + param->fcb1.w.l, sizeof(psp->fcb1));
6023: memcpy(psp->fcb2, mem + (param->fcb2.w.h << 4) + param->fcb2.w.l, sizeof(psp->fcb2));
6024: memcpy(psp->buffer, mem + (param->cmd_line.w.h << 4) + param->cmd_line.w.l, sizeof(psp->buffer));
6025:
6026: mcb_t *mcb_env = (mcb_t *)(mem + ((env_seg - 1) << 4));
6027: mcb_t *mcb_psp = (mcb_t *)(mem + ((psp_seg - 1) << 4));
6028: mcb_psp->psp = mcb_env->psp = psp_seg;
6029:
1.1.1.4 root 6030: for(int i = 0; i < 8; i++) {
6031: if(name_tmp[i] == '.') {
6032: mcb_psp->prog_name[i] = '\0';
6033: break;
6034: } else if(i < 7 && msdos_lead_byte_check(name_tmp[i])) {
6035: mcb_psp->prog_name[i] = name_tmp[i];
6036: i++;
6037: mcb_psp->prog_name[i] = name_tmp[i];
6038: } else if(name_tmp[i] >= 'a' && name_tmp[i] <= 'z') {
6039: mcb_psp->prog_name[i] = name_tmp[i] - 'a' + 'A';
6040: } else {
6041: mcb_psp->prog_name[i] = name_tmp[i];
6042: }
6043: }
6044:
1.1 root 6045: // process info
6046: process_t *process = msdos_process_info_create(psp_seg);
6047: strcpy(process->module_dir, msdos_short_full_dir(path));
1.1.1.33 root 6048: #ifdef USE_DEBUGGER
6049: strcpy(process->module_path, path);
6050: #endif
1.1 root 6051: process->dta.w.l = 0x80;
6052: process->dta.w.h = psp_seg;
6053: process->switchar = '/';
6054: process->max_files = 20;
6055: process->parent_int_10h_feh_called = int_10h_feh_called;
6056: process->parent_int_10h_ffh_called = int_10h_ffh_called;
1.1.1.14 root 6057: process->parent_ds = SREG(DS);
1.1.1.31 root 6058: process->parent_es = SREG(ES);
1.1 root 6059:
6060: current_psp = psp_seg;
1.1.1.23 root 6061: msdos_sda_update(current_psp);
1.1 root 6062:
6063: if(al == 0x00) {
6064: int_10h_feh_called = int_10h_ffh_called = false;
6065:
6066: // registers and segments
6067: REG16(AX) = REG16(BX) = 0x00;
6068: REG16(CX) = 0xff;
6069: REG16(DX) = psp_seg;
6070: REG16(SI) = ip;
6071: REG16(DI) = sp;
6072: REG16(SP) = sp;
1.1.1.3 root 6073: SREG(DS) = SREG(ES) = psp_seg;
6074: SREG(SS) = ss;
6075: i386_load_segment_descriptor(DS);
6076: i386_load_segment_descriptor(ES);
6077: i386_load_segment_descriptor(SS);
1.1 root 6078:
6079: *(UINT16 *)(mem + (ss << 4) + sp) = 0;
6080: i386_jmp_far(cs, ip);
6081: } else if(al == 0x01) {
6082: // copy ss:sp and cs:ip to param block
6083: param->sp = sp;
6084: param->ss = ss;
6085: param->ip = ip;
6086: param->cs = cs;
1.1.1.31 root 6087:
6088: // the AX value to be passed to the child program is put on top of the child's stack
6089: *(UINT16 *)(mem + (ss << 4) + sp) = REG16(AX);
1.1 root 6090: }
6091: return(0);
6092: }
6093:
6094: void msdos_process_terminate(int psp_seg, int ret, int mem_free)
6095: {
6096: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
6097:
6098: *(UINT32 *)(mem + 4 * 0x22) = psp->int_22h.dw;
6099: *(UINT32 *)(mem + 4 * 0x23) = psp->int_23h.dw;
6100: *(UINT32 *)(mem + 4 * 0x24) = psp->int_24h.dw;
6101:
1.1.1.3 root 6102: SREG(SS) = psp->stack.w.h;
6103: i386_load_segment_descriptor(SS);
1.1 root 6104: REG16(SP) = psp->stack.w.l;
6105: i386_jmp_far(psp->int_22h.w.h, psp->int_22h.w.l);
6106:
1.1.1.28 root 6107: // process_t *current_process = msdos_process_info_get(psp_seg);
6108: process_t *current_process = NULL;
6109: for(int i = 0; i < MAX_PROCESS; i++) {
6110: if(process[i].psp == psp_seg) {
6111: current_process = &process[i];
6112: break;
6113: }
6114: }
6115: if(current_process == NULL) {
6116: throw(0x1f); // general failure
6117: }
6118: int_10h_feh_called = current_process->parent_int_10h_feh_called;
6119: int_10h_ffh_called = current_process->parent_int_10h_ffh_called;
6120: if(current_process->called_by_int2eh) {
6121: REG16(AX) = ret;
6122: }
6123: SREG(DS) = current_process->parent_ds;
1.1.1.31 root 6124: SREG(ES) = current_process->parent_es;
1.1.1.14 root 6125: i386_load_segment_descriptor(DS);
1.1.1.31 root 6126: i386_load_segment_descriptor(ES);
1.1 root 6127:
6128: if(mem_free) {
1.1.1.8 root 6129: int mcb_seg;
6130: while((mcb_seg = msdos_mem_get_last_mcb(first_mcb, psp_seg)) != -1) {
6131: msdos_mem_free(mcb_seg + 1);
6132: }
6133: while((mcb_seg = msdos_mem_get_last_mcb(UMB_TOP >> 4, psp_seg)) != -1) {
6134: msdos_mem_free(mcb_seg + 1);
6135: }
1.1 root 6136:
6137: for(int i = 0; i < MAX_FILES; i++) {
6138: if(file_handler[i].valid && file_handler[i].psp == psp_seg) {
6139: _close(i);
1.1.1.20 root 6140: msdos_file_handler_close(i);
6141: msdos_psp_set_file_table(i, 0x0ff, psp_seg); // FIXME: consider duplicated file handles
1.1 root 6142: }
6143: }
1.1.1.13 root 6144: msdos_dta_info_free(psp_seg);
1.1 root 6145: }
1.1.1.14 root 6146: msdos_stdio_reopen();
1.1 root 6147:
1.1.1.28 root 6148: memset(current_process, 0, sizeof(process_t));
1.1 root 6149:
6150: current_psp = psp->parent_psp;
6151: retval = ret;
1.1.1.23 root 6152: msdos_sda_update(current_psp);
1.1 root 6153: }
6154:
6155: // drive
6156:
6157: int msdos_drive_param_block_update(int drive_num, UINT16 *seg, UINT16 *ofs, int force_update)
6158: {
6159: *seg = DPB_TOP >> 4;
6160: *ofs = sizeof(dpb_t) * drive_num;
6161: dpb_t *dpb = (dpb_t *)(mem + (*seg << 4) + *ofs);
6162:
6163: if(!force_update && dpb->free_clusters != 0) {
6164: return(dpb->bytes_per_sector ? 1 : 0);
6165: }
6166: memset(dpb, 0, sizeof(dpb_t));
6167:
6168: int res = 0;
6169: char dev[64];
6170: sprintf(dev, "\\\\.\\%c:", 'A' + drive_num);
6171:
1.1.1.17 root 6172: HANDLE hFile = CreateFile(dev, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1.1 root 6173: if(hFile != INVALID_HANDLE_VALUE) {
6174: DISK_GEOMETRY geo;
6175: DWORD dwSize;
6176: if(DeviceIoControl(hFile, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0, &geo, sizeof(geo), &dwSize, NULL)) {
6177: dpb->bytes_per_sector = (UINT16)geo.BytesPerSector;
6178: dpb->highest_sector_num = (UINT8)(geo.SectorsPerTrack - 1);
6179: dpb->highest_cluster_num = (UINT16)(geo.TracksPerCylinder * geo.Cylinders.QuadPart + 1);
1.1.1.14 root 6180: dpb->maximum_cluster_num = (UINT32)(geo.TracksPerCylinder * geo.Cylinders.QuadPart + 1);
1.1 root 6181: switch(geo.MediaType) {
6182: case F5_320_512: // floppy, double-sided, 8 sectors per track (320K)
6183: dpb->media_type = 0xff;
6184: break;
6185: case F5_160_512: // floppy, single-sided, 8 sectors per track (160K)
6186: dpb->media_type = 0xfe;
6187: break;
6188: case F5_360_512: // floppy, double-sided, 9 sectors per track (360K)
6189: dpb->media_type = 0xfd;
6190: break;
6191: case F5_180_512: // floppy, single-sided, 9 sectors per track (180K)
6192: dpb->media_type = 0xfc;
6193: break;
6194: case F5_1Pt2_512: // floppy, double-sided, 15 sectors per track (1.2M)
6195: case F3_720_512: // floppy, double-sided, 9 sectors per track (720K,3.5")
6196: dpb->media_type = 0xf9;
6197: break;
6198: case FixedMedia: // hard disk
6199: case RemovableMedia:
1.1.1.19 root 6200: case Unknown:
1.1 root 6201: dpb->media_type = 0xf8;
6202: break;
6203: default:
6204: dpb->media_type = 0xf0;
6205: break;
6206: }
6207: res = 1;
6208: }
6209: dpb->drive_num = drive_num;
6210: dpb->unit_num = drive_num;
6211: dpb->next_dpb_ofs = *ofs + sizeof(dpb_t);
6212: dpb->next_dpb_seg = *seg;
1.1.1.14 root 6213: dpb->info_sector = 0xffff;
6214: dpb->backup_boot_sector = 0xffff;
1.1 root 6215: dpb->free_clusters = 0xffff;
1.1.1.14 root 6216: dpb->free_search_cluster = 0xffffffff;
1.1 root 6217: CloseHandle(hFile);
6218: }
6219: return(res);
6220: }
6221:
6222: // pc bios
6223:
1.1.1.35 root 6224: #ifdef USE_SERVICE_THREAD
6225: void start_service_loop(LPTHREAD_START_ROUTINE lpStartAddress)
6226: {
6227: #if defined(HAS_I386)
6228: if(m_SF != 0) {
6229: m_SF = 0;
6230: mem[0xfffd0 + 0x15] = 0x79; // jns -4
6231: } else {
6232: m_SF = 1;
6233: mem[0xfffd0 + 0x15] = 0x78; // js -4
6234: }
6235: #else
6236: if(m_SignVal < 0) {
6237: m_SignVal = 0;
6238: mem[0xfffd0 + 0x15] = 0x79; // jns -4
6239: } else {
6240: m_SignVal = -1;
6241: mem[0xfffd0 + 0x15] = 0x78; // js -4
6242: }
6243: #endif
6244: i386_call_far(0xfffd, 0x0013);
6245: in_service = true;
6246: service_exit = false;
6247: CloseHandle(CreateThread(NULL, 0, lpStartAddress, NULL, 0, NULL));
6248: }
6249:
6250: void finish_service_loop()
6251: {
6252: if(in_service && service_exit) {
6253: #if defined(HAS_I386)
6254: if(m_SF != 0) {
6255: m_SF = 0;
6256: } else {
6257: m_SF = 1;
6258: }
6259: #else
6260: if(m_SignVal < 0) {
6261: m_SignVal = 0;
6262: } else {
6263: m_SignVal = -1;
6264: }
6265: #endif
6266: in_service = false;
6267: }
6268: }
6269: #endif
6270:
1.1.1.19 root 6271: UINT32 get_ticks_since_midnight(UINT32 cur_msec)
6272: {
6273: static unsigned __int64 start_msec_since_midnight = 0;
6274: static unsigned __int64 start_msec_since_hostboot = 0;
6275:
6276: if(start_msec_since_midnight == 0) {
6277: SYSTEMTIME time;
6278: GetLocalTime(&time);
6279: start_msec_since_midnight = ((time.wHour * 60 + time.wMinute) * 60 + time.wSecond) * 1000 + time.wMilliseconds;
6280: start_msec_since_hostboot = cur_msec;
6281: }
6282: unsigned __int64 msec = (start_msec_since_midnight + cur_msec - start_msec_since_hostboot) % (24 * 60 * 60 * 1000);
6283: unsigned __int64 tick = msec * 0x1800b0 / (24 * 60 * 60 * 1000);
6284: return (UINT32)tick;
6285: }
6286:
6287: void pcbios_update_daily_timer_counter(UINT32 cur_msec)
6288: {
6289: UINT32 prev_tick = *(UINT32 *)(mem + 0x46c);
6290: UINT32 next_tick = get_ticks_since_midnight(cur_msec);
6291:
6292: if(prev_tick > next_tick) {
6293: mem[0x470] = 1;
6294: }
6295: *(UINT32 *)(mem + 0x46c) = next_tick;
6296: }
6297:
1.1.1.14 root 6298: inline void pcbios_irq0()
6299: {
6300: //++*(UINT32 *)(mem + 0x46c);
1.1.1.19 root 6301: pcbios_update_daily_timer_counter(timeGetTime());
1.1.1.14 root 6302: }
6303:
1.1.1.16 root 6304: int pcbios_get_text_vram_address(int page)
1.1 root 6305: {
6306: if(/*mem[0x449] == 0x03 || */mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.8 root 6307: return TEXT_VRAM_TOP;
1.1 root 6308: } else {
1.1.1.14 root 6309: return TEXT_VRAM_TOP + VIDEO_REGEN * (page % vram_pages);
1.1 root 6310: }
6311: }
6312:
1.1.1.16 root 6313: int pcbios_get_shadow_buffer_address(int page)
1.1 root 6314: {
1.1.1.14 root 6315: if(!int_10h_feh_called) {
1.1.1.16 root 6316: return pcbios_get_text_vram_address(page);
1.1.1.14 root 6317: } else if(/*mem[0x449] == 0x03 || */mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.8 root 6318: return SHADOW_BUF_TOP;
6319: } else {
1.1.1.14 root 6320: return SHADOW_BUF_TOP + VIDEO_REGEN * (page % vram_pages);
1.1.1.8 root 6321: }
6322: }
6323:
1.1.1.16 root 6324: int pcbios_get_shadow_buffer_address(int page, int x, int y)
1.1.1.8 root 6325: {
1.1.1.16 root 6326: return pcbios_get_shadow_buffer_address(page) + (x + y * scr_width) * 2;
1.1 root 6327: }
6328:
1.1.1.16 root 6329: void pcbios_set_console_size(int width, int height, bool clr_screen)
1.1 root 6330: {
1.1.1.14 root 6331: // clear the existing screen, not just the new one
6332: int clr_height = max(height, scr_height);
6333:
1.1.1.16 root 6334: if(scr_width != width || scr_height != height) {
6335: change_console_size(width, height);
1.1.1.14 root 6336: }
6337: mem[0x462] = 0;
6338: *(UINT16 *)(mem + 0x44e) = 0;
6339:
1.1.1.16 root 6340: text_vram_top_address = pcbios_get_text_vram_address(0);
6341: text_vram_end_address = text_vram_top_address + width * height * 2;
6342: shadow_buffer_top_address = pcbios_get_shadow_buffer_address(0);
6343: shadow_buffer_end_address = shadow_buffer_top_address + width * height * 2;
1.1 root 6344:
1.1.1.23 root 6345: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.16 root 6346: if(clr_screen) {
1.1.1.14 root 6347: for(int ofs = shadow_buffer_top_address; ofs < shadow_buffer_end_address;) {
6348: mem[ofs++] = 0x20;
6349: mem[ofs++] = 0x07;
6350: }
6351:
1.1.1.35 root 6352: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6353: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 6354: #endif
1.1.1.14 root 6355: for(int y = 0; y < clr_height; y++) {
6356: for(int x = 0; x < scr_width; x++) {
6357: SCR_BUF(y,x).Char.AsciiChar = ' ';
6358: SCR_BUF(y,x).Attributes = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
1.1 root 6359: }
6360: }
6361: SMALL_RECT rect;
1.1.1.14 root 6362: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + clr_height - 1);
6363: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
6364: vram_length_char = vram_last_length_char = 0;
6365: vram_length_attr = vram_last_length_attr = 0;
1.1.1.35 root 6366: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6367: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 6368: #endif
1.1 root 6369: }
1.1.1.14 root 6370: COORD co;
6371: co.X = 0;
6372: co.Y = scr_top;
6373: SetConsoleCursorPosition(hStdout, co);
6374: cursor_moved = true;
6375: SetConsoleTextAttribute(hStdout, FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
1.1 root 6376: }
6377:
1.1.1.36 root 6378: void pcbios_update_cursor_position()
6379: {
6380: CONSOLE_SCREEN_BUFFER_INFO csbi;
6381: GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
6382: if(!restore_console_on_exit) {
6383: scr_top = csbi.srWindow.Top;
6384: }
6385: mem[0x450 + mem[0x462] * 2] = csbi.dwCursorPosition.X;
6386: mem[0x451 + mem[0x462] * 2] = csbi.dwCursorPosition.Y - scr_top;
6387: }
6388:
1.1.1.16 root 6389: inline void pcbios_int_10h_00h()
6390: {
6391: switch(REG8(AL) & 0x7f) {
6392: case 0x70: // v-text mode
6393: case 0x71: // extended cga v-text mode
6394: pcbios_set_console_size(scr_width, scr_height, !(REG8(AL) & 0x80));
6395: break;
6396: default:
6397: pcbios_set_console_size(80, 25, !(REG8(AL) & 0x80));
6398: break;
6399: }
6400: if(REG8(AL) & 0x80) {
6401: mem[0x487] |= 0x80;
6402: } else {
6403: mem[0x487] &= ~0x80;
6404: }
6405: mem[0x449] = REG8(AL) & 0x7f;
6406: }
6407:
1.1 root 6408: inline void pcbios_int_10h_01h()
6409: {
1.1.1.13 root 6410: mem[0x460] = REG8(CL);
6411: mem[0x461] = REG8(CH);
1.1.1.14 root 6412:
1.1.1.23 root 6413: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 6414: CONSOLE_CURSOR_INFO ci;
6415: GetConsoleCursorInfo(hStdout, &ci);
6416: // ci.bVisible = !(REG8(CH) & 0x60) && REG8(CH) <= REG8(CL);
6417: // if(ci.bVisible) {
6418: int lines = max(8, REG8(CL) + 1);
6419: ci.dwSize = (REG8(CL) - REG8(CH) + 1) * 100 / lines;
6420: // }
6421: SetConsoleCursorInfo(hStdout, &ci);
1.1 root 6422: }
6423:
6424: inline void pcbios_int_10h_02h()
6425: {
1.1.1.14 root 6426: // continuously setting the cursor effectively stops it blinking
6427: if(mem[0x462] == REG8(BH) && (REG8(DL) != mem[0x450 + REG8(BH) * 2] || REG8(DH) != mem[0x451 + REG8(BH) * 2])) {
1.1 root 6428: COORD co;
6429: co.X = REG8(DL);
1.1.1.14 root 6430: co.Y = REG8(DH) + scr_top;
6431:
6432: // some programs hide the cursor by moving it off screen
6433: static bool hidden = false;
1.1.1.23 root 6434: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 6435: CONSOLE_CURSOR_INFO ci;
6436: GetConsoleCursorInfo(hStdout, &ci);
6437:
6438: if(REG8(DH) >= scr_height || !SetConsoleCursorPosition(hStdout, co)) {
6439: if(ci.bVisible) {
6440: ci.bVisible = FALSE;
6441: // SetConsoleCursorInfo(hStdout, &ci);
6442: hidden = true;
6443: }
6444: } else if(hidden) {
6445: if(!ci.bVisible) {
6446: ci.bVisible = TRUE;
6447: // SetConsoleCursorInfo(hStdout, &ci);
6448: }
6449: hidden = false;
6450: }
1.1 root 6451: }
1.1.1.14 root 6452: mem[0x450 + (REG8(BH) % vram_pages) * 2] = REG8(DL);
6453: mem[0x451 + (REG8(BH) % vram_pages) * 2] = REG8(DH);
1.1 root 6454: }
6455:
6456: inline void pcbios_int_10h_03h()
6457: {
1.1.1.14 root 6458: REG8(DL) = mem[0x450 + (REG8(BH) % vram_pages) * 2];
6459: REG8(DH) = mem[0x451 + (REG8(BH) % vram_pages) * 2];
1.1 root 6460: REG8(CL) = mem[0x460];
6461: REG8(CH) = mem[0x461];
6462: }
6463:
6464: inline void pcbios_int_10h_05h()
6465: {
1.1.1.14 root 6466: if(REG8(AL) >= vram_pages) {
6467: return;
6468: }
6469: if(mem[0x462] != REG8(AL)) {
6470: vram_flush();
6471:
1.1.1.23 root 6472: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 6473: SMALL_RECT rect;
1.1.1.14 root 6474: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + scr_height - 1);
6475: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 6476:
1.1.1.16 root 6477: for(int y = 0, ofs = pcbios_get_shadow_buffer_address(mem[0x462]); y < scr_height; y++) {
1.1.1.14 root 6478: for(int x = 0; x < scr_width; x++) {
6479: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar;
6480: mem[ofs++] = SCR_BUF(y,x).Attributes;
1.1 root 6481: }
6482: }
1.1.1.16 root 6483: for(int y = 0, ofs = pcbios_get_shadow_buffer_address(REG8(AL)); y < scr_height; y++) {
1.1.1.14 root 6484: for(int x = 0; x < scr_width; x++) {
6485: SCR_BUF(y,x).Char.AsciiChar = mem[ofs++];
6486: SCR_BUF(y,x).Attributes = mem[ofs++];
1.1 root 6487: }
6488: }
1.1.1.14 root 6489: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 6490:
6491: COORD co;
1.1.1.14 root 6492: co.X = mem[0x450 + REG8(AL) * 2];
6493: co.Y = mem[0x451 + REG8(AL) * 2] + scr_top;
6494: if(co.Y < scr_top + scr_height) {
6495: SetConsoleCursorPosition(hStdout, co);
6496: }
1.1 root 6497: }
1.1.1.14 root 6498: mem[0x462] = REG8(AL);
6499: *(UINT16 *)(mem + 0x44e) = REG8(AL) * VIDEO_REGEN;
6500: int regen = min(scr_width * scr_height * 2, 0x8000);
1.1.1.16 root 6501: text_vram_top_address = pcbios_get_text_vram_address(mem[0x462]);
1.1.1.14 root 6502: text_vram_end_address = text_vram_top_address + regen;
1.1.1.16 root 6503: shadow_buffer_top_address = pcbios_get_shadow_buffer_address(mem[0x462]);
1.1.1.14 root 6504: shadow_buffer_end_address = shadow_buffer_top_address + regen;
1.1 root 6505: }
6506:
6507: inline void pcbios_int_10h_06h()
6508: {
1.1.1.14 root 6509: if(REG8(CH) >= scr_height || REG8(CH) > REG8(DH) ||
6510: REG8(CL) >= scr_width || REG8(CL) > REG8(DL)) {
6511: return;
6512: }
6513: vram_flush();
6514:
1.1.1.23 root 6515: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 6516: SMALL_RECT rect;
1.1.1.14 root 6517: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + scr_height - 1);
6518: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
6519:
6520: int right = min(REG8(DL), scr_width - 1);
6521: int bottom = min(REG8(DH), scr_height - 1);
1.1 root 6522:
6523: if(REG8(AL) == 0) {
1.1.1.14 root 6524: for(int y = REG8(CH); y <= bottom; y++) {
1.1.1.16 root 6525: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 6526: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar = ' ';
6527: mem[ofs++] = SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 6528: }
6529: }
6530: } else {
1.1.1.14 root 6531: for(int y = REG8(CH), y2 = min(REG8(CH) + REG8(AL), bottom + 1); y <= bottom; y++, y2++) {
1.1.1.16 root 6532: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 6533: if(y2 <= bottom) {
6534: SCR_BUF(y,x) = SCR_BUF(y2,x);
1.1 root 6535: } else {
1.1.1.14 root 6536: SCR_BUF(y,x).Char.AsciiChar = ' ';
6537: SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 6538: }
1.1.1.14 root 6539: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar;
6540: mem[ofs++] = SCR_BUF(y,x).Attributes;
1.1 root 6541: }
6542: }
6543: }
1.1.1.14 root 6544: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 6545: }
6546:
6547: inline void pcbios_int_10h_07h()
6548: {
1.1.1.14 root 6549: if(REG8(CH) >= scr_height || REG8(CH) > REG8(DH) ||
6550: REG8(CL) >= scr_width || REG8(CL) > REG8(DL)) {
6551: return;
6552: }
6553: vram_flush();
6554:
1.1.1.23 root 6555: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 6556: SMALL_RECT rect;
1.1.1.14 root 6557: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + scr_height - 1);
6558: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
6559:
6560: int right = min(REG8(DL), scr_width - 1);
6561: int bottom = min(REG8(DH), scr_height - 1);
1.1 root 6562:
6563: if(REG8(AL) == 0) {
1.1.1.14 root 6564: for(int y = REG8(CH); y <= bottom; y++) {
1.1.1.16 root 6565: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 6566: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar = ' ';
6567: mem[ofs++] = SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 6568: }
6569: }
6570: } else {
1.1.1.14 root 6571: for(int y = bottom, y2 = max(REG8(CH) - 1, bottom - REG8(AL)); y >= REG8(CH); y--, y2--) {
1.1.1.16 root 6572: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 6573: if(y2 >= REG8(CH)) {
6574: SCR_BUF(y,x) = SCR_BUF(y2,x);
1.1 root 6575: } else {
1.1.1.14 root 6576: SCR_BUF(y,x).Char.AsciiChar = ' ';
6577: SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 6578: }
1.1.1.14 root 6579: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar;
6580: mem[ofs++] = SCR_BUF(y,x).Attributes;
1.1 root 6581: }
6582: }
6583: }
1.1.1.14 root 6584: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 6585: }
6586:
6587: inline void pcbios_int_10h_08h()
6588: {
6589: COORD co;
6590: DWORD num;
6591:
1.1.1.14 root 6592: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
6593: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
1.1 root 6594:
6595: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 6596: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 6597: co.Y += scr_top;
6598: vram_flush();
1.1 root 6599: ReadConsoleOutputCharacter(hStdout, scr_char, 1, co, &num);
6600: ReadConsoleOutputAttribute(hStdout, scr_attr, 1, co, &num);
6601: REG8(AL) = scr_char[0];
6602: REG8(AH) = scr_attr[0];
6603: } else {
1.1.1.16 root 6604: REG16(AX) = *(UINT16 *)(mem + pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y));
1.1 root 6605: }
6606: }
6607:
6608: inline void pcbios_int_10h_09h()
6609: {
6610: COORD co;
6611:
1.1.1.14 root 6612: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
6613: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
6614:
1.1.1.16 root 6615: int dest = pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y);
6616: int end = min(dest + REG16(CX) * 2, pcbios_get_shadow_buffer_address(REG8(BH), 0, scr_height));
1.1 root 6617:
6618: if(mem[0x462] == REG8(BH)) {
1.1.1.35 root 6619: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6620: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 6621: #endif
1.1.1.16 root 6622: int vram = pcbios_get_shadow_buffer_address(REG8(BH));
1.1.1.14 root 6623: while(dest < end) {
6624: write_text_vram_char(dest - vram, REG8(AL));
6625: mem[dest++] = REG8(AL);
6626: write_text_vram_attr(dest - vram, REG8(BL));
6627: mem[dest++] = REG8(BL);
1.1 root 6628: }
1.1.1.35 root 6629: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6630: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 6631: #endif
1.1 root 6632: } else {
1.1.1.14 root 6633: while(dest < end) {
1.1 root 6634: mem[dest++] = REG8(AL);
6635: mem[dest++] = REG8(BL);
6636: }
6637: }
6638: }
6639:
6640: inline void pcbios_int_10h_0ah()
6641: {
6642: COORD co;
6643:
1.1.1.14 root 6644: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
6645: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
6646:
1.1.1.16 root 6647: int dest = pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y);
6648: int end = min(dest + REG16(CX) * 2, pcbios_get_shadow_buffer_address(REG8(BH), 0, scr_height));
1.1 root 6649:
6650: if(mem[0x462] == REG8(BH)) {
1.1.1.35 root 6651: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6652: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 6653: #endif
1.1.1.16 root 6654: int vram = pcbios_get_shadow_buffer_address(REG8(BH));
1.1.1.14 root 6655: while(dest < end) {
6656: write_text_vram_char(dest - vram, REG8(AL));
6657: mem[dest++] = REG8(AL);
6658: dest++;
1.1 root 6659: }
1.1.1.35 root 6660: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6661: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 6662: #endif
1.1 root 6663: } else {
1.1.1.14 root 6664: while(dest < end) {
1.1 root 6665: mem[dest++] = REG8(AL);
6666: dest++;
6667: }
6668: }
6669: }
6670:
6671: inline void pcbios_int_10h_0eh()
6672: {
1.1.1.14 root 6673: DWORD num;
6674: COORD co;
6675:
6676: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
6677: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
6678:
6679: if(REG8(AL) == 7) {
6680: //MessageBeep(-1);
6681: } else if(REG8(AL) == 8 || REG8(AL) == 10 || REG8(AL) == 13) {
6682: if(REG8(AL) == 10) {
6683: vram_flush();
6684: }
1.1.1.23 root 6685: WriteConsole(GetStdHandle(STD_OUTPUT_HANDLE), ®8(AL), 1, &num, NULL);
1.1.1.14 root 6686: cursor_moved = true;
6687: } else {
1.1.1.16 root 6688: int dest = pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y);
1.1.1.14 root 6689: if(mem[0x462] == REG8(BH)) {
1.1.1.35 root 6690: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6691: EnterCriticalSection(&vram_crit_sect);
1.1.1.35 root 6692: #endif
1.1.1.16 root 6693: int vram = pcbios_get_shadow_buffer_address(REG8(BH));
1.1.1.14 root 6694: write_text_vram_char(dest - vram, REG8(AL));
1.1.1.35 root 6695: #ifdef USE_VRAM_THREAD
1.1.1.14 root 6696: LeaveCriticalSection(&vram_crit_sect);
1.1.1.35 root 6697: #endif
1.1.1.14 root 6698:
1.1.1.23 root 6699: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 6700: if(++co.X == scr_width) {
6701: co.X = 0;
6702: if(++co.Y == scr_height) {
6703: vram_flush();
6704: WriteConsole(hStdout, "\n", 1, &num, NULL);
6705: cursor_moved = true;
6706: }
6707: }
6708: if(!cursor_moved) {
6709: co.Y += scr_top;
6710: SetConsoleCursorPosition(hStdout, co);
6711: cursor_moved = true;
6712: }
6713: }
6714: mem[dest] = REG8(AL);
6715: }
1.1 root 6716: }
6717:
6718: inline void pcbios_int_10h_0fh()
6719: {
6720: REG8(AL) = mem[0x449];
6721: REG8(AH) = mem[0x44a];
6722: REG8(BH) = mem[0x462];
6723: }
6724:
1.1.1.14 root 6725: inline void pcbios_int_10h_11h()
6726: {
6727: switch(REG8(AL)) {
1.1.1.16 root 6728: case 0x01:
1.1.1.14 root 6729: case 0x11:
1.1.1.16 root 6730: pcbios_set_console_size(80, 28, true);
1.1.1.14 root 6731: break;
1.1.1.16 root 6732: case 0x02:
1.1.1.14 root 6733: case 0x12:
1.1.1.16 root 6734: pcbios_set_console_size(80, 50, true);
1.1.1.14 root 6735: break;
1.1.1.16 root 6736: case 0x04:
1.1.1.14 root 6737: case 0x14:
1.1.1.16 root 6738: pcbios_set_console_size(80, 25, true);
6739: break;
6740: case 0x18:
6741: pcbios_set_console_size(80, 50, true);
1.1.1.14 root 6742: break;
6743: case 0x30:
6744: SREG(ES) = 0;
6745: i386_load_segment_descriptor(ES);
6746: REG16(BP) = 0;
6747: REG16(CX) = mem[0x485];
6748: REG8(DL) = mem[0x484];
6749: break;
6750: }
6751: }
6752:
6753: inline void pcbios_int_10h_12h()
6754: {
1.1.1.16 root 6755: switch(REG8(BL)) {
6756: case 0x10:
1.1.1.14 root 6757: REG16(BX) = 0x0003;
6758: REG16(CX) = 0x0009;
1.1.1.16 root 6759: break;
1.1.1.14 root 6760: }
6761: }
6762:
1.1 root 6763: inline void pcbios_int_10h_13h()
6764: {
1.1.1.3 root 6765: int ofs = SREG_BASE(ES) + REG16(BP);
1.1 root 6766: COORD co;
6767: DWORD num;
6768:
6769: co.X = REG8(DL);
1.1.1.14 root 6770: co.Y = REG8(DH) + scr_top;
6771:
6772: vram_flush();
1.1 root 6773:
6774: switch(REG8(AL)) {
6775: case 0x00:
6776: case 0x01:
6777: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 6778: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 6779: CONSOLE_SCREEN_BUFFER_INFO csbi;
6780: GetConsoleScreenBufferInfo(hStdout, &csbi);
6781: SetConsoleCursorPosition(hStdout, co);
6782:
6783: if(csbi.wAttributes != REG8(BL)) {
6784: SetConsoleTextAttribute(hStdout, REG8(BL));
6785: }
1.1.1.14 root 6786: WriteConsole(hStdout, &mem[ofs], REG16(CX), &num, NULL);
6787:
1.1 root 6788: if(csbi.wAttributes != REG8(BL)) {
6789: SetConsoleTextAttribute(hStdout, csbi.wAttributes);
6790: }
6791: if(REG8(AL) == 0x00) {
1.1.1.15 root 6792: if(!restore_console_on_exit) {
6793: GetConsoleScreenBufferInfo(hStdout, &csbi);
6794: scr_top = csbi.srWindow.Top;
6795: }
1.1.1.14 root 6796: co.X = mem[0x450 + REG8(BH) * 2];
6797: co.Y = mem[0x451 + REG8(BH) * 2] + scr_top;
1.1 root 6798: SetConsoleCursorPosition(hStdout, co);
6799: } else {
6800: cursor_moved = true;
6801: }
6802: } else {
1.1.1.3 root 6803: m_CF = 1;
1.1 root 6804: }
6805: break;
6806: case 0x02:
6807: case 0x03:
6808: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 6809: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 6810: CONSOLE_SCREEN_BUFFER_INFO csbi;
6811: GetConsoleScreenBufferInfo(hStdout, &csbi);
6812: SetConsoleCursorPosition(hStdout, co);
6813:
6814: WORD wAttributes = csbi.wAttributes;
6815: for(int i = 0; i < REG16(CX); i++, ofs += 2) {
6816: if(wAttributes != mem[ofs + 1]) {
6817: SetConsoleTextAttribute(hStdout, mem[ofs + 1]);
6818: wAttributes = mem[ofs + 1];
6819: }
1.1.1.14 root 6820: WriteConsole(hStdout, &mem[ofs], 1, &num, NULL);
1.1 root 6821: }
6822: if(csbi.wAttributes != wAttributes) {
6823: SetConsoleTextAttribute(hStdout, csbi.wAttributes);
6824: }
6825: if(REG8(AL) == 0x02) {
1.1.1.14 root 6826: co.X = mem[0x450 + REG8(BH) * 2];
6827: co.Y = mem[0x451 + REG8(BH) * 2] + scr_top;
1.1 root 6828: SetConsoleCursorPosition(hStdout, co);
6829: } else {
6830: cursor_moved = true;
6831: }
6832: } else {
1.1.1.3 root 6833: m_CF = 1;
1.1 root 6834: }
6835: break;
6836: case 0x10:
6837: case 0x11:
6838: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 6839: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 6840: ReadConsoleOutputCharacter(hStdout, scr_char, REG16(CX), co, &num);
6841: ReadConsoleOutputAttribute(hStdout, scr_attr, REG16(CX), co, &num);
6842: for(int i = 0; i < num; i++) {
6843: mem[ofs++] = scr_char[i];
6844: mem[ofs++] = scr_attr[i];
6845: if(REG8(AL) == 0x11) {
6846: mem[ofs++] = 0;
6847: mem[ofs++] = 0;
6848: }
6849: }
6850: } else {
1.1.1.16 root 6851: 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 6852: mem[ofs++] = mem[src++];
6853: mem[ofs++] = mem[src++];
6854: if(REG8(AL) == 0x11) {
6855: mem[ofs++] = 0;
6856: mem[ofs++] = 0;
6857: }
1.1.1.14 root 6858: if(++co.X == scr_width) {
6859: if(++co.Y == scr_height) {
1.1 root 6860: break;
6861: }
6862: co.X = 0;
6863: }
6864: }
6865: }
6866: break;
6867: case 0x20:
6868: case 0x21:
6869: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 6870: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 6871: int len = min(REG16(CX), scr_width * scr_height);
6872: for(int i = 0; i < len; i++) {
1.1 root 6873: scr_char[i] = mem[ofs++];
6874: scr_attr[i] = mem[ofs++];
6875: if(REG8(AL) == 0x21) {
6876: ofs += 2;
6877: }
6878: }
1.1.1.14 root 6879: WriteConsoleOutputCharacter(hStdout, scr_char, len, co, &num);
6880: WriteConsoleOutputAttribute(hStdout, scr_attr, len, co, &num);
1.1 root 6881: } else {
1.1.1.16 root 6882: 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 6883: mem[dest++] = mem[ofs++];
6884: mem[dest++] = mem[ofs++];
6885: if(REG8(AL) == 0x21) {
6886: ofs += 2;
6887: }
1.1.1.14 root 6888: if(++co.X == scr_width) {
6889: if(++co.Y == scr_height) {
1.1 root 6890: break;
6891: }
6892: co.X = 0;
6893: }
6894: }
6895: }
6896: break;
6897: default:
1.1.1.22 root 6898: 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 6899: m_CF = 1;
1.1 root 6900: break;
6901: }
6902: }
6903:
1.1.1.30 root 6904: inline void pcbios_int_10h_18h()
6905: {
6906: switch(REG8(AL)) {
6907: case 0x00:
6908: case 0x01:
6909: // REG8(AL) = 0x86;
6910: REG8(AL) = 0x00;
6911: break;
6912: default:
6913: 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));
6914: m_CF = 1;
6915: break;
6916: }
6917: }
6918:
1.1.1.14 root 6919: inline void pcbios_int_10h_1ah()
6920: {
6921: switch(REG8(AL)) {
6922: case 0x00:
6923: REG8(AL) = 0x1a;
6924: REG8(BL) = 0x08;
6925: REG8(BH) = 0x00;
6926: break;
6927: default:
1.1.1.22 root 6928: 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 6929: m_CF = 1;
6930: break;
6931: }
6932: }
6933:
1.1 root 6934: inline void pcbios_int_10h_1dh()
6935: {
6936: switch(REG8(AL)) {
6937: case 0x01:
6938: break;
6939: case 0x02:
6940: REG16(BX) = 0;
6941: break;
6942: default:
1.1.1.22 root 6943: 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));
6944: m_CF = 1;
6945: break;
6946: }
6947: }
6948:
6949: inline void pcbios_int_10h_4fh()
6950: {
6951: switch(REG8(AL)) {
6952: case 0x00:
6953: REG8(AH) = 0x02; // not supported
6954: break;
6955: case 0x01:
6956: case 0x02:
6957: case 0x03:
6958: case 0x04:
6959: case 0x05:
6960: case 0x06:
6961: case 0x07:
6962: case 0x08:
6963: case 0x09:
6964: case 0x0a:
6965: case 0x0b:
6966: case 0x0c:
6967: REG8(AH) = 0x01; // failed
6968: break;
6969: default:
6970: 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 6971: m_CF = 1;
1.1 root 6972: break;
6973: }
6974: }
6975:
6976: inline void pcbios_int_10h_82h()
6977: {
6978: static UINT8 mode = 0;
6979:
6980: switch(REG8(AL)) {
1.1.1.22 root 6981: case 0x00:
1.1 root 6982: if(REG8(BL) != 0xff) {
6983: mode = REG8(BL);
6984: }
6985: REG8(AL) = mode;
6986: break;
6987: default:
1.1.1.22 root 6988: 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 6989: m_CF = 1;
1.1 root 6990: break;
6991: }
6992: }
6993:
1.1.1.22 root 6994: inline void pcbios_int_10h_83h()
6995: {
6996: static UINT8 mode = 0;
6997:
6998: switch(REG8(AL)) {
6999: case 0x00:
7000: REG16(AX) = 0; // offset???
7001: SREG(ES) = (SHADOW_BUF_TOP >> 4);
7002: i386_load_segment_descriptor(ES);
7003: REG16(BX) = (SHADOW_BUF_TOP & 0x0f);
7004: break;
7005: default:
7006: 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));
7007: m_CF = 1;
7008: break;
7009: }
7010: }
7011:
7012: inline void pcbios_int_10h_90h()
7013: {
7014: REG8(AL) = mem[0x449];
7015: }
7016:
7017: inline void pcbios_int_10h_91h()
7018: {
7019: REG8(AL) = 0x04; // VGA
7020: }
7021:
7022: inline void pcbios_int_10h_efh()
7023: {
7024: REG16(DX) = 0xffff;
7025: }
7026:
1.1 root 7027: inline void pcbios_int_10h_feh()
7028: {
7029: if(mem[0x449] == 0x03 || mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.8 root 7030: SREG(ES) = (SHADOW_BUF_TOP >> 4);
1.1.1.3 root 7031: i386_load_segment_descriptor(ES);
1.1.1.8 root 7032: REG16(DI) = (SHADOW_BUF_TOP & 0x0f);
1.1 root 7033: }
7034: int_10h_feh_called = true;
7035: }
7036:
7037: inline void pcbios_int_10h_ffh()
7038: {
7039: if(mem[0x449] == 0x03 || mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.23 root 7040: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 7041: COORD co;
7042: DWORD num;
7043:
1.1.1.14 root 7044: vram_flush();
7045:
7046: co.X = (REG16(DI) >> 1) % scr_width;
7047: co.Y = (REG16(DI) >> 1) / scr_width;
1.1.1.16 root 7048: int ofs = pcbios_get_shadow_buffer_address(0, co.X, co.Y);
7049: int end = min(ofs + REG16(CX) * 2, pcbios_get_shadow_buffer_address(0, 0, scr_height));
1.1.1.14 root 7050: int len;
7051: for(len = 0; ofs < end; len++) {
7052: scr_char[len] = mem[ofs++];
7053: scr_attr[len] = mem[ofs++];
7054: }
7055: co.Y += scr_top;
7056: WriteConsoleOutputCharacter(hStdout, scr_char, len, co, &num);
7057: WriteConsoleOutputAttribute(hStdout, scr_attr, len, co, &num);
1.1 root 7058: }
7059: int_10h_ffh_called = true;
7060: }
7061:
1.1.1.25 root 7062: inline void pcbios_int_14h_00h()
7063: {
1.1.1.29 root 7064: if(REG16(DX) < 4) {
1.1.1.25 root 7065: static const unsigned int rate[] = {110, 150, 300, 600, 1200, 2400, 4800, 9600};
7066: UINT8 selector = sio_read(REG16(DX), 3);
7067: selector &= ~0x3f;
7068: selector |= REG8(AL) & 0x1f;
7069: UINT16 divisor = 115200 / rate[REG8(AL) >> 5];
7070: sio_write(REG16(DX), 3, selector | 0x80);
7071: sio_write(REG16(DX), 0, divisor & 0xff);
7072: sio_write(REG16(DX), 1, divisor >> 8);
7073: sio_write(REG16(DX), 3, selector);
7074: REG8(AH) = sio_read(REG16(DX), 5);
7075: REG8(AL) = sio_read(REG16(DX), 6);
7076: } else {
7077: REG8(AH) = 0x80;
7078: }
7079: }
7080:
7081: inline void pcbios_int_14h_01h()
7082: {
1.1.1.29 root 7083: if(REG16(DX) < 4) {
1.1.1.25 root 7084: UINT8 selector = sio_read(REG16(DX), 3);
7085: sio_write(REG16(DX), 3, selector & ~0x80);
7086: sio_write(REG16(DX), 0, REG8(AL));
7087: sio_write(REG16(DX), 3, selector);
7088: REG8(AH) = sio_read(REG16(DX), 5);
7089: } else {
7090: REG8(AH) = 0x80;
7091: }
7092: }
7093:
7094: inline void pcbios_int_14h_02h()
7095: {
1.1.1.29 root 7096: if(REG16(DX) < 4) {
1.1.1.25 root 7097: UINT8 selector = sio_read(REG16(DX), 3);
7098: sio_write(REG16(DX), 3, selector & ~0x80);
7099: REG8(AL) = sio_read(REG16(DX), 0);
7100: sio_write(REG16(DX), 3, selector);
7101: REG8(AH) = sio_read(REG16(DX), 5);
7102: } else {
7103: REG8(AH) = 0x80;
7104: }
7105: }
7106:
7107: inline void pcbios_int_14h_03h()
7108: {
1.1.1.29 root 7109: if(REG16(DX) < 4) {
1.1.1.25 root 7110: REG8(AH) = sio_read(REG16(DX), 5);
7111: REG8(AL) = sio_read(REG16(DX), 6);
7112: } else {
7113: REG8(AH) = 0x80;
7114: }
7115: }
7116:
7117: inline void pcbios_int_14h_04h()
7118: {
1.1.1.29 root 7119: if(REG16(DX) < 4) {
1.1.1.25 root 7120: UINT8 selector = sio_read(REG16(DX), 3);
7121: if(REG8(CH) <= 0x03) {
7122: selector = (selector & ~0x03) | REG8(CH);
7123: }
7124: if(REG8(BL) == 0x00) {
7125: selector &= ~0x04;
7126: } else if(REG8(BL) == 0x01) {
7127: selector |= 0x04;
7128: }
7129: if(REG8(BH) == 0x00) {
7130: selector = (selector & ~0x38) | 0x00;
7131: } else if(REG8(BH) == 0x01) {
7132: selector = (selector & ~0x38) | 0x08;
7133: } else if(REG8(BH) == 0x02) {
7134: selector = (selector & ~0x38) | 0x18;
7135: } else if(REG8(BH) == 0x03) {
7136: selector = (selector & ~0x38) | 0x28;
7137: } else if(REG8(BH) == 0x04) {
7138: selector = (selector & ~0x38) | 0x38;
7139: }
7140: if(REG8(AL) == 0x00) {
7141: selector |= 0x40;
7142: } else if(REG8(AL) == 0x01) {
7143: selector &= ~0x40;
7144: }
7145: if(REG8(CL) <= 0x0b) {
7146: static const unsigned int rate[] = {110, 150, 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200};
7147: UINT16 divisor = 115200 / rate[REG8(CL)];
7148: sio_write(REG16(DX), 3, selector | 0x80);
7149: sio_write(REG16(DX), 0, divisor & 0xff);
7150: sio_write(REG16(DX), 1, divisor >> 8);
7151: }
7152: sio_write(REG16(DX), 3, selector);
7153: REG8(AH) = sio_read(REG16(DX), 5);
7154: REG8(AL) = sio_read(REG16(DX), 6);
7155: } else {
7156: REG8(AH) = 0x80;
7157: }
7158: }
7159:
7160: inline void pcbios_int_14h_05h()
7161: {
1.1.1.29 root 7162: if(REG16(DX) < 4) {
1.1.1.25 root 7163: if(REG8(AL) == 0x00) {
7164: REG8(BL) = sio_read(REG16(DX), 4);
7165: REG8(AH) = sio_read(REG16(DX), 5);
7166: REG8(AL) = sio_read(REG16(DX), 6);
7167: } else if(REG8(AL) == 0x01) {
7168: sio_write(REG16(DX), 4, REG8(BL));
7169: REG8(AH) = sio_read(REG16(DX), 5);
7170: REG8(AL) = sio_read(REG16(DX), 6);
7171: } else {
7172: 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));
7173: }
7174: } else {
7175: REG8(AH) = 0x80;
7176: }
7177: }
7178:
1.1.1.14 root 7179: inline void pcbios_int_15h_10h()
7180: {
1.1.1.22 root 7181: switch(REG8(AL)) {
7182: case 0x00:
1.1.1.14 root 7183: Sleep(10);
1.1.1.35 root 7184: REQUEST_HARDWRE_UPDATE();
1.1.1.22 root 7185: break;
7186: default:
7187: 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 7188: REG8(AH) = 0x86;
7189: m_CF = 1;
7190: }
7191: }
7192:
1.1 root 7193: inline void pcbios_int_15h_23h()
7194: {
7195: switch(REG8(AL)) {
1.1.1.22 root 7196: case 0x00:
1.1.1.8 root 7197: REG8(CL) = cmos_read(0x2d);
7198: REG8(CH) = cmos_read(0x2e);
1.1 root 7199: break;
1.1.1.22 root 7200: case 0x01:
1.1.1.8 root 7201: cmos_write(0x2d, REG8(CL));
7202: cmos_write(0x2e, REG8(CH));
1.1 root 7203: break;
7204: default:
1.1.1.22 root 7205: 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 7206: REG8(AH) = 0x86;
1.1.1.3 root 7207: m_CF = 1;
1.1 root 7208: break;
7209: }
7210: }
7211:
7212: inline void pcbios_int_15h_24h()
7213: {
7214: switch(REG8(AL)) {
1.1.1.22 root 7215: case 0x00:
1.1.1.3 root 7216: i386_set_a20_line(0);
1.1 root 7217: REG8(AH) = 0;
7218: break;
1.1.1.22 root 7219: case 0x01:
1.1.1.3 root 7220: i386_set_a20_line(1);
1.1 root 7221: REG8(AH) = 0;
7222: break;
1.1.1.22 root 7223: case 0x02:
1.1 root 7224: REG8(AH) = 0;
1.1.1.3 root 7225: REG8(AL) = (m_a20_mask >> 20) & 1;
1.1 root 7226: REG16(CX) = 0;
7227: break;
1.1.1.22 root 7228: case 0x03:
1.1 root 7229: REG16(AX) = 0;
7230: REG16(BX) = 0;
7231: break;
1.1.1.22 root 7232: default:
7233: 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));
7234: REG8(AH) = 0x86;
7235: m_CF = 1;
7236: break;
1.1 root 7237: }
7238: }
7239:
7240: inline void pcbios_int_15h_49h()
7241: {
1.1.1.27 root 7242: REG8(AH) = 0x00;
7243: REG8(BL) = 0x00; // DOS/V
1.1 root 7244: }
7245:
1.1.1.22 root 7246: inline void pcbios_int_15h_50h()
7247: {
7248: switch(REG8(AL)) {
7249: case 0x00:
7250: case 0x01:
7251: if(REG8(BH) != 0x00 && REG8(BH) != 0x01) {
7252: REG8(AH) = 0x01; // invalid font type in bh
7253: m_CF = 1;
1.1.1.27 root 7254: } else if(REG8(BL) != 0x00) {
1.1.1.22 root 7255: REG8(AH) = 0x02; // bl not zero
7256: m_CF = 1;
7257: } else if(REG16(BP) != 0 && REG16(BP) != 437 && REG16(BP) != 932 && REG16(BP) != 934 && REG16(BP) != 936 && REG16(BP) != 938) {
7258: REG8(AH) = 0x04; // invalid code page
7259: m_CF = 1;
1.1.1.27 root 7260: } else if(REG8(AL) == 0x01) {
7261: REG8(AH) = 0x06; // font is read only
1.1.1.22 root 7262: m_CF = 1;
1.1.1.27 root 7263: } else {
7264: // dummy font read routine is at fffd:000d
7265: SREG(ES) = 0xfffd;
7266: i386_load_segment_descriptor(ES);
1.1.1.32 root 7267: REG16(BX) = 0x000d;
1.1.1.27 root 7268: REG8(AH) = 0x00; // success
1.1.1.22 root 7269: }
7270: break;
7271: default:
7272: 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));
7273: REG8(AH) = 0x86;
7274: m_CF = 1;
7275: break;
7276: }
7277: }
7278:
1.1.1.30 root 7279: inline void pcbios_int_15h_53h()
7280: {
7281: switch(REG8(AL)) {
7282: case 0x00:
7283: // APM is not installed
7284: REG8(AH) = 0x86;
7285: m_CF = 1;
7286: break;
7287: default:
7288: 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));
7289: REG8(AH) = 0x86;
7290: m_CF = 1;
7291: break;
7292: }
7293: }
7294:
1.1.1.35 root 7295:
7296: DWORD WINAPI pcbios_int_15h_86h_thread(LPVOID)
1.1 root 7297: {
7298: UINT32 usec = (REG16(CX) << 16) | REG16(DX);
1.1.1.14 root 7299: UINT32 msec = usec / 1000;
7300:
1.1.1.35 root 7301: while(msec && !m_halted) {
1.1.1.14 root 7302: UINT32 tmp = min(msec, 100);
7303: if(msec - tmp < 10) {
7304: tmp = msec;
7305: }
7306: Sleep(tmp);
7307: msec -= tmp;
7308: }
1.1.1.35 root 7309:
7310: #ifdef USE_SERVICE_THREAD
7311: service_exit = true;
7312: #endif
7313: return(0);
7314: }
7315:
7316: inline void pcbios_int_15h_86h()
7317: {
7318: if(!(REG16(CX) == 0 && REG16(DX) == 0)) {
7319: #ifdef USE_SERVICE_THREAD
7320: start_service_loop(pcbios_int_15h_86h_thread);
7321: #else
7322: pcbios_int_15h_86h_thread(NULL);
7323: REQUEST_HARDWRE_UPDATE();
7324: #endif
7325: }
1.1 root 7326: }
7327:
7328: inline void pcbios_int_15h_87h()
7329: {
7330: // copy extended memory (from DOSBox)
7331: int len = REG16(CX) * 2;
1.1.1.3 root 7332: int ofs = SREG_BASE(ES) + REG16(SI);
1.1 root 7333: int src = (*(UINT32 *)(mem + ofs + 0x12) & 0xffffff); // + (mem[ofs + 0x16] << 24);
7334: int dst = (*(UINT32 *)(mem + ofs + 0x1a) & 0xffffff); // + (mem[ofs + 0x1e] << 24);
7335: memcpy(mem + dst, mem + src, len);
7336: REG16(AX) = 0x00;
7337: }
7338:
7339: inline void pcbios_int_15h_88h()
7340: {
1.1.1.17 root 7341: REG16(AX) = ((min(MAX_MEM, 0x4000000) - 0x100000) >> 10);
1.1 root 7342: }
7343:
7344: inline void pcbios_int_15h_89h()
7345: {
1.1.1.21 root 7346: #if defined(HAS_I286) || defined(HAS_I386)
1.1 root 7347: // switch to protected mode (from DOSBox)
7348: write_io_byte(0x20, 0x10);
7349: write_io_byte(0x21, REG8(BH));
7350: write_io_byte(0x21, 0x00);
7351: write_io_byte(0xa0, 0x10);
7352: write_io_byte(0xa1, REG8(BL));
7353: write_io_byte(0xa1, 0x00);
1.1.1.3 root 7354: i386_set_a20_line(1);
7355: int ofs = SREG_BASE(ES) + REG16(SI);
7356: m_gdtr.limit = *(UINT16 *)(mem + ofs + 0x08);
7357: m_gdtr.base = *(UINT32 *)(mem + ofs + 0x08 + 0x02) & 0xffffff;
7358: m_idtr.limit = *(UINT16 *)(mem + ofs + 0x10);
7359: m_idtr.base = *(UINT32 *)(mem + ofs + 0x10 + 0x02) & 0xffffff;
7360: #if defined(HAS_I386)
7361: m_cr[0] |= 1;
7362: #else
7363: m_msw |= 1;
7364: #endif
7365: SREG(DS) = 0x18;
7366: SREG(ES) = 0x20;
7367: SREG(SS) = 0x28;
7368: i386_load_segment_descriptor(DS);
7369: i386_load_segment_descriptor(ES);
7370: i386_load_segment_descriptor(SS);
1.1.1.21 root 7371: UINT16 offset = *(UINT16 *)(mem + SREG_BASE(SS) + REG16(SP));
1.1 root 7372: REG16(SP) += 6;
1.1.1.3 root 7373: #if defined(HAS_I386)
1.1.1.21 root 7374: UINT32 flags = get_flags();
7375: flags &= (0x20000 | 0x40000 | 0x80000 | 0x100000 | 0x200000);
7376: set_flags(flags);
1.1.1.3 root 7377: #else
1.1.1.21 root 7378: UINT32 flags = CompressFlags();
7379: flags &= (0x20000 | 0x40000 | 0x80000 | 0x100000 | 0x200000);
7380: ExpandFlags(flags);
1.1.1.3 root 7381: #endif
1.1 root 7382: REG16(AX) = 0x00;
1.1.1.21 root 7383: i386_jmp_far(0x30, /*REG16(CX)*/offset);
1.1 root 7384: #else
1.1.1.21 root 7385: // i86/i186/v30: protected mode is not supported
1.1 root 7386: REG8(AH) = 0x86;
1.1.1.3 root 7387: m_CF = 1;
1.1 root 7388: #endif
7389: }
7390:
1.1.1.21 root 7391: inline void pcbios_int_15h_8ah()
7392: {
7393: UINT32 size = MAX_MEM - 0x100000;
7394: REG16(AX) = size & 0xffff;
7395: REG16(DX) = size >> 16;
7396: }
7397:
1.1.1.3 root 7398: #if defined(HAS_I386)
1.1 root 7399: inline void pcbios_int_15h_c9h()
7400: {
7401: REG8(AH) = 0x00;
7402: REG8(CH) = cpu_type;
7403: REG8(CL) = cpu_step;
7404: }
1.1.1.3 root 7405: #endif
1.1 root 7406:
7407: inline void pcbios_int_15h_cah()
7408: {
7409: switch(REG8(AL)) {
1.1.1.22 root 7410: case 0x00:
1.1 root 7411: if(REG8(BL) > 0x3f) {
7412: REG8(AH) = 0x03;
1.1.1.3 root 7413: m_CF = 1;
1.1 root 7414: } else if(REG8(BL) < 0x0e) {
7415: REG8(AH) = 0x04;
1.1.1.3 root 7416: m_CF = 1;
1.1 root 7417: } else {
1.1.1.8 root 7418: REG8(CL) = cmos_read(REG8(BL));
1.1 root 7419: }
7420: break;
1.1.1.22 root 7421: case 0x01:
1.1 root 7422: if(REG8(BL) > 0x3f) {
7423: REG8(AH) = 0x03;
1.1.1.3 root 7424: m_CF = 1;
1.1 root 7425: } else if(REG8(BL) < 0x0e) {
7426: REG8(AH) = 0x04;
1.1.1.3 root 7427: m_CF = 1;
1.1 root 7428: } else {
1.1.1.8 root 7429: cmos_write(REG8(BL), REG8(CL));
1.1 root 7430: }
7431: break;
7432: default:
1.1.1.22 root 7433: 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 7434: REG8(AH) = 0x86;
1.1.1.3 root 7435: m_CF = 1;
1.1 root 7436: break;
7437: }
7438: }
7439:
1.1.1.22 root 7440: inline void pcbios_int_15h_e8h()
1.1.1.17 root 7441: {
1.1.1.22 root 7442: switch(REG8(AL)) {
7443: #if defined(HAS_I386)
7444: case 0x01:
7445: REG16(AX) = REG16(CX) = ((min(MAX_MEM, 0x1000000) - 0x100000) >> 10);
7446: REG16(BX) = REG16(DX) = ((max(MAX_MEM, 0x1000000) - 0x1000000) >> 16);
7447: break;
1.1.1.17 root 7448: #endif
1.1.1.22 root 7449: default:
7450: 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));
7451: REG8(AH) = 0x86;
7452: m_CF = 1;
7453: break;
7454: }
7455: }
1.1.1.17 root 7456:
1.1.1.33 root 7457: void pcbios_update_key_code(bool wait)
1.1 root 7458: {
1.1.1.32 root 7459: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 7460: #ifdef USE_SERVICE_THREAD
7461: EnterCriticalSection(&key_buf_crit_sect);
7462: #endif
7463: bool empty = key_buf_char->empty();
7464: #ifdef USE_SERVICE_THREAD
7465: LeaveCriticalSection(&key_buf_crit_sect);
7466: #endif
7467: if(empty) {
1.1.1.32 root 7468: if(!update_key_buffer()) {
1.1.1.33 root 7469: if(wait) {
1.1.1.32 root 7470: Sleep(10);
7471: } else {
7472: maybe_idle();
7473: }
1.1.1.14 root 7474: }
7475: }
1.1.1.34 root 7476: }
7477: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 7478: #ifdef USE_SERVICE_THREAD
7479: EnterCriticalSection(&key_buf_crit_sect);
7480: #endif
1.1.1.32 root 7481: if(key_buf_char->count() != 0) {
1.1.1.35 root 7482: key_code = key_buf_char->read() << 0;
7483: key_code |= key_buf_scan->read() << 8;
7484: key_recv = 0x0000ffff;
1.1.1.32 root 7485: }
7486: if(key_buf_char->count() != 0) {
1.1.1.35 root 7487: key_code |= key_buf_char->read() << 16;
7488: key_code |= key_buf_scan->read() << 24;
1.1.1.33 root 7489: key_recv |= 0xffff0000;
1.1.1.32 root 7490: }
1.1.1.35 root 7491: #ifdef USE_SERVICE_THREAD
7492: LeaveCriticalSection(&key_buf_crit_sect);
7493: #endif
1.1 root 7494: }
7495: }
7496:
1.1.1.35 root 7497: DWORD WINAPI pcbios_int_16h_00h_thread(LPVOID)
1.1 root 7498: {
1.1.1.33 root 7499: while(key_recv == 0 && !m_halted) {
7500: pcbios_update_key_code(true);
1.1 root 7501: }
1.1.1.33 root 7502: if((key_recv & 0x0000ffff) && (key_recv & 0xffff0000)) {
7503: if((key_code & 0xffff) == 0x0000 || (key_code & 0xffff) == 0xe000) {
7504: if(REG8(AH) == 0x10) {
7505: key_code = ((key_code >> 8) & 0xff) | ((key_code >> 16) & 0xff00);
7506: } else {
7507: key_code = ((key_code >> 16) & 0xff00);
7508: }
7509: key_recv >>= 16;
1.1 root 7510: }
7511: }
7512: REG16(AX) = key_code & 0xffff;
7513: key_code >>= 16;
1.1.1.33 root 7514: key_recv >>= 16;
1.1.1.35 root 7515:
7516: #ifdef USE_SERVICE_THREAD
7517: service_exit = true;
7518: #endif
7519: return(0);
7520: }
7521:
7522: inline void pcbios_int_16h_00h()
7523: {
7524: #ifdef USE_SERVICE_THREAD
7525: start_service_loop(pcbios_int_16h_00h_thread);
7526: #else
7527: pcbios_int_16h_00h_thread(NULL);
7528: REQUEST_HARDWRE_UPDATE();
7529: #endif
1.1 root 7530: }
7531:
7532: inline void pcbios_int_16h_01h()
7533: {
1.1.1.33 root 7534: if(key_recv == 0) {
7535: pcbios_update_key_code(false);
1.1.1.5 root 7536: }
1.1.1.33 root 7537: if(key_recv != 0) {
7538: UINT32 key_code_tmp = key_code;
7539: if((key_recv & 0x0000ffff) && (key_recv & 0xffff0000)) {
7540: if((key_code_tmp & 0xffff) == 0x0000 || (key_code_tmp & 0xffff) == 0xe000) {
7541: if(REG8(AH) == 0x11) {
7542: key_code_tmp = ((key_code_tmp >> 8) & 0xff) | ((key_code_tmp >> 16) & 0xff00);
7543: } else {
7544: key_code_tmp = ((key_code_tmp >> 16) & 0xff00);
7545: }
7546: }
1.1 root 7547: }
1.1.1.5 root 7548: REG16(AX) = key_code_tmp & 0xffff;
1.1.1.3 root 7549: #if defined(HAS_I386)
1.1.1.33 root 7550: m_ZF = 0;
7551: #else
7552: m_ZeroVal = 1;
7553: #endif
7554: } else {
7555: #if defined(HAS_I386)
7556: m_ZF = 1;
1.1.1.3 root 7557: #else
1.1.1.33 root 7558: m_ZeroVal = 0;
1.1.1.3 root 7559: #endif
1.1.1.33 root 7560: }
1.1 root 7561: }
7562:
7563: inline void pcbios_int_16h_02h()
7564: {
7565: REG8(AL) = (GetAsyncKeyState(VK_INSERT ) & 0x0001) ? 0x80 : 0;
7566: REG8(AL) |= (GetAsyncKeyState(VK_CAPITAL) & 0x0001) ? 0x40 : 0;
7567: REG8(AL) |= (GetAsyncKeyState(VK_NUMLOCK) & 0x0001) ? 0x20 : 0;
7568: REG8(AL) |= (GetAsyncKeyState(VK_SCROLL ) & 0x0001) ? 0x10 : 0;
7569: REG8(AL) |= (GetAsyncKeyState(VK_MENU ) & 0x8000) ? 0x08 : 0;
7570: REG8(AL) |= (GetAsyncKeyState(VK_CONTROL) & 0x8000) ? 0x04 : 0;
7571: REG8(AL) |= (GetAsyncKeyState(VK_LSHIFT ) & 0x8000) ? 0x02 : 0;
7572: REG8(AL) |= (GetAsyncKeyState(VK_RSHIFT ) & 0x8000) ? 0x01 : 0;
7573: }
7574:
7575: inline void pcbios_int_16h_03h()
7576: {
7577: static UINT16 status = 0;
7578:
7579: switch(REG8(AL)) {
7580: case 0x05:
7581: status = REG16(BX);
7582: break;
7583: case 0x06:
7584: REG16(BX) = status;
7585: break;
7586: default:
1.1.1.3 root 7587: m_CF = 1;
1.1 root 7588: break;
7589: }
7590: }
7591:
7592: inline void pcbios_int_16h_05h()
7593: {
1.1.1.32 root 7594: if(key_buf_char != NULL && key_buf_scan != NULL) {
1.1.1.35 root 7595: #ifdef USE_SERVICE_THREAD
7596: EnterCriticalSection(&key_buf_crit_sect);
7597: #endif
1.1.1.32 root 7598: key_buf_char->write(REG8(CL));
7599: key_buf_scan->write(REG8(CH));
1.1.1.35 root 7600: #ifdef USE_SERVICE_THREAD
7601: LeaveCriticalSection(&key_buf_crit_sect);
7602: #endif
1.1.1.32 root 7603: }
1.1 root 7604: REG8(AL) = 0x00;
7605: }
7606:
7607: inline void pcbios_int_16h_12h()
7608: {
7609: pcbios_int_16h_02h();
7610:
7611: REG8(AH) = 0;//(GetAsyncKeyState(VK_SYSREQ ) & 0x8000) ? 0x80 : 0;
7612: REG8(AH) |= (GetAsyncKeyState(VK_CAPITAL ) & 0x8000) ? 0x40 : 0;
7613: REG8(AH) |= (GetAsyncKeyState(VK_NUMLOCK ) & 0x8000) ? 0x20 : 0;
7614: REG8(AH) |= (GetAsyncKeyState(VK_SCROLL ) & 0x8000) ? 0x10 : 0;
7615: REG8(AH) |= (GetAsyncKeyState(VK_RMENU ) & 0x8000) ? 0x08 : 0;
7616: REG8(AH) |= (GetAsyncKeyState(VK_RCONTROL) & 0x8000) ? 0x04 : 0;
7617: REG8(AH) |= (GetAsyncKeyState(VK_LMENU ) & 0x8000) ? 0x02 : 0;
7618: REG8(AH) |= (GetAsyncKeyState(VK_LCONTROL) & 0x8000) ? 0x01 : 0;
7619: }
7620:
7621: inline void pcbios_int_16h_13h()
7622: {
7623: static UINT16 status = 0;
7624:
7625: switch(REG8(AL)) {
7626: case 0x00:
7627: status = REG16(DX);
7628: break;
7629: case 0x01:
7630: REG16(DX) = status;
7631: break;
7632: default:
1.1.1.22 root 7633: 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 7634: m_CF = 1;
1.1 root 7635: break;
7636: }
7637: }
7638:
7639: inline void pcbios_int_16h_14h()
7640: {
7641: static UINT8 status = 0;
7642:
7643: switch(REG8(AL)) {
7644: case 0x00:
7645: case 0x01:
7646: status = REG8(AL);
7647: break;
7648: case 0x02:
7649: REG8(AL) = status;
7650: break;
7651: default:
1.1.1.22 root 7652: 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 7653: m_CF = 1;
1.1 root 7654: break;
7655: }
7656: }
7657:
1.1.1.24 root 7658: inline void pcbios_int_16h_55h()
7659: {
7660: switch(REG8(AL)) {
7661: case 0x00:
7662: // keyboard tsr is not present
7663: break;
7664: case 0xfe:
7665: // handlers for INT 08, INT 09, INT 16, INT 1B, and INT 1C are installed
7666: break;
7667: case 0xff:
7668: break;
7669: default:
7670: 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));
7671: m_CF = 1;
7672: break;
7673: }
7674: }
7675:
1.1.1.30 root 7676: inline void pcbios_int_16h_6fh()
7677: {
7678: switch(REG8(AL)) {
7679: case 0x00:
7680: // HP Vectra EX-BIOS - "F16_INQUIRE" - Extended BIOS is not installed
7681: break;
7682: default:
7683: 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));
7684: m_CF = 1;
7685: break;
7686: }
7687: }
7688:
1.1.1.37! root 7689: UINT16 pcbios_printer_jis2sjis(UINT16 jis)
! 7690: {
! 7691: UINT8 hi = jis >> 8;
! 7692: UINT8 lo = jis & 0xff;
! 7693:
! 7694: lo = (hi & 0x01) ? lo - 0x1f : lo + 0x7d;
! 7695: hi = (hi - 0x21) / 2 + 0x81;
! 7696: hi = (hi >= 0xa0) ? hi + 0x40 : hi;
! 7697: lo = (lo >= 0x7f) ? lo + 0x01 : lo;
! 7698:
! 7699: return((hi << 8) + lo);
! 7700: }
! 7701:
! 7702: UINT16 pcbios_printer_sjis2jis(UINT16 sjis)
! 7703: {
! 7704: UINT8 hi = sjis >> 8;
! 7705: UINT8 lo = sjis & 0xff;
! 7706:
! 7707: if(hi == 0x80 || (hi >= 0xeb && hi <= 0xef) || (hi >= 0xf4 && hi <= 0xff)) {
! 7708: return(0x2121);
! 7709: }
! 7710: if((lo >= 0x00 && lo <= 0x3f) || lo == 0x7f || (lo >= 0xfd && lo <= 0xff)) {
! 7711: return(0x2121);
! 7712: }
! 7713: if(hi >= 0xf0 && hi <= 0xf3) {
! 7714: // gaiji
! 7715: if(lo >= 0x40 && lo <= 0x7e) {
! 7716: return(0x7721 + lo - 0x40 + (hi - 0xf0) * 0x200);
! 7717: }
! 7718: if(lo >= 0x80 && lo <= 0x9e) {
! 7719: return(0x7760 + lo - 0x80 + (hi - 0xf0) * 0x200);
! 7720: }
! 7721: if(lo >= 0x9f && lo <= 0xfc) {
! 7722: return(0x7821 + lo - 0x9f + (hi - 0xf0) * 0x200);
! 7723: }
! 7724: }
! 7725: hi = (hi >= 0xe0) ? hi - 0x40 : hi;
! 7726: lo = (lo >= 0x80) ? lo - 0x01 : lo;
! 7727: hi = ((lo >= 0x9e) ? 1 : 0) + (hi - 0x81) * 2 + 0x21;
! 7728: lo = ((lo >= 0x9e) ? lo - 0x9e : lo - 0x40) + 0x21;
! 7729:
! 7730: return((hi << 8) + lo);
! 7731: }
! 7732:
! 7733: // ESC/P Users Guide:
! 7734: // http://cweb.canon.jp/manual/satera-bj/pdf/bij1350-2350-escp.pdf
! 7735:
! 7736: void pcbios_printer_out(int c, UINT8 data)
! 7737: {
! 7738: if(pio[c].conv_mode) {
! 7739: if(pio[c].sjis_hi != 0) {
! 7740: if(!pio[c].jis_mode) {
! 7741: printer_out(c, 0x1c);
! 7742: printer_out(c, 0x26);
! 7743: pio[c].jis_mode = true;
! 7744: }
! 7745: UINT16 jis = pcbios_printer_sjis2jis((pio[c].sjis_hi << 8) | data);
! 7746: printer_out(c, jis >> 8);
! 7747: printer_out(c, jis & 0xff);
! 7748: pio[c].sjis_hi = 0;
! 7749: } else if(pio[c].esc_buf[0] == 0x1b) {
! 7750: printer_out(c, data);
! 7751: if(pio[c].esc_len < sizeof(pio[c].esc_buf)) {
! 7752: pio[c].esc_buf[pio[c].esc_len] = data;
! 7753: }
! 7754: pio[c].esc_len++;
! 7755:
! 7756: switch(pio[c].esc_buf[1]) {
! 7757: case 0x20: case 0x21: case 0x2b: case 0x2d:
! 7758: case 0x33:
! 7759: case 0x4a: case 0x4e:
! 7760: case 0x51: case 0x52: case 0x53: case 0x55: case 0x57:
! 7761: case 0x6b: case 0x6c:
! 7762: case 0x70: case 0x71: case 0x72: case 0x74: case 0x77: case 0x78:
! 7763: if(pio[c].esc_len == 3) {
! 7764: pio[c].esc_buf[0] = 0x00;
! 7765: }
! 7766: break;
! 7767: case 0x24: case 0x25:
! 7768: case 0x3a:
! 7769: case 0x5c:
! 7770: if(pio[c].esc_len == 4) {
! 7771: pio[c].esc_buf[0] = 0x00;
! 7772: }
! 7773: break;
! 7774: case 0x2a:
! 7775: if(pio[c].esc_len >= 3) {
! 7776: switch(pio[c].esc_buf[2]) {
! 7777: case 0: case 1: case 2: case 3: case 4: case 6:
! 7778: if(pio[c].esc_len >= 5 && pio[c].esc_len == 5 + (pio[c].esc_buf[3] + pio[c].esc_buf[4] * 256) * 1) {
! 7779: pio[c].esc_buf[0] = 0x00;
! 7780: }
! 7781: break;
! 7782: case 32: case 33: case 38: case 39: case 40:
! 7783: if(pio[c].esc_len >= 5 && pio[c].esc_len == 5 + (pio[c].esc_buf[3] + pio[c].esc_buf[4] * 256) * 3) {
! 7784: pio[c].esc_buf[0] = 0x00;
! 7785: }
! 7786: break;
! 7787: default:
! 7788: pio[c].esc_buf[0] = 0x00;
! 7789: break;
! 7790: }
! 7791: }
! 7792: break;
! 7793: case 0x40:
! 7794: if(pio[c].jis_mode) {
! 7795: printer_out(c, 0x1c);
! 7796: printer_out(c, 0x2e);
! 7797: pio[c].jis_mode = false;
! 7798: }
! 7799: pio[c].esc_buf[0] = 0x00;
! 7800: break;
! 7801: case 0x42: case 0x44:
! 7802: if(pio[c].esc_len >= 3 && data == 0) {
! 7803: pio[c].esc_buf[0] = 0x00;
! 7804: }
! 7805: break;
! 7806: case 0x43:
! 7807: if(pio[c].esc_len >= 3 && data != 0) {
! 7808: pio[c].esc_buf[0] = 0x00;
! 7809: }
! 7810: break;
! 7811: default:
! 7812: pio[c].esc_buf[0] = 0x00;
! 7813: break;
! 7814: }
! 7815: } else if(pio[c].esc_buf[0] == 0x1c) {
! 7816: printer_out(c, data);
! 7817: if(pio[c].esc_len < sizeof(pio[c].esc_buf)) {
! 7818: pio[c].esc_buf[pio[c].esc_len] = data;
! 7819: }
! 7820: pio[c].esc_len++;
! 7821:
! 7822: switch(pio[c].esc_buf[1]) {
! 7823: case 0x21: case 0x2d:
! 7824: case 0x57:
! 7825: case 0x6b:
! 7826: case 0x72: case 0x78:
! 7827: if(pio[c].esc_len == 3) {
! 7828: pio[c].esc_buf[0] = 0x00;
! 7829: }
! 7830: break;
! 7831: case 0x26:
! 7832: pio[c].jis_mode = true;
! 7833: pio[c].esc_buf[0] = 0x00;
! 7834: break;
! 7835: case 0x2e:
! 7836: pio[c].jis_mode = false;
! 7837: pio[c].esc_buf[0] = 0x00;
! 7838: break;
! 7839: case 0x32:
! 7840: if(pio[c].esc_len == 76) {
! 7841: pio[c].esc_buf[0] = 0x00;
! 7842: }
! 7843: break;
! 7844: case 0x44:
! 7845: if(pio[c].esc_len == 6) {
! 7846: pio[c].esc_buf[0] = 0x00;
! 7847: }
! 7848: break;
! 7849: case 0x53: case 0x54:
! 7850: if(pio[c].esc_len == 4) {
! 7851: pio[c].esc_buf[0] = 0x00;
! 7852: }
! 7853: break;
! 7854: default:
! 7855: pio[c].esc_buf[0] = 0x00;
! 7856: break;
! 7857: }
! 7858: } else if(data == 0x1b || data == 0x1c) {
! 7859: printer_out(c, data);
! 7860: pio[c].esc_buf[0] = data;
! 7861: pio[c].esc_len = 1;
! 7862: } else if((data >= 0x80 && data <= 0x9f) || (data >= 0xe0 && data <= 0xff)) {
! 7863: pio[c].sjis_hi = data;
! 7864: } else {
! 7865: if(pio[c].jis_mode) {
! 7866: printer_out(c, 0x1c);
! 7867: printer_out(c, 0x2e);
! 7868: pio[c].jis_mode = false;
! 7869: }
! 7870: printer_out(c, data);
! 7871: }
! 7872: } else {
! 7873: if(pio[c].jis_mode) {
! 7874: printer_out(c, 0x1c);
! 7875: printer_out(c, 0x2e);
! 7876: pio[c].jis_mode = false;
! 7877: }
! 7878: printer_out(c, data);
! 7879: }
! 7880: }
! 7881:
! 7882: inline void pcbios_int_17h_00h()
! 7883: {
! 7884: if(REG16(DX) < 3) {
! 7885: pcbios_printer_out(REG16(DX), REG8(AL));
! 7886: REG8(AH) = 0xd0;
! 7887: }
! 7888: }
! 7889:
! 7890: inline void pcbios_int_17h_01h()
! 7891: {
! 7892: if(REG16(DX) < 3) {
! 7893: REG8(AH) = 0xd0;
! 7894: }
! 7895: }
! 7896:
! 7897: inline void pcbios_int_17h_02h()
! 7898: {
! 7899: if(REG16(DX) < 3) {
! 7900: REG8(AH) = 0xd0;
! 7901: }
! 7902: }
! 7903:
! 7904: inline void pcbios_int_17h_03h()
! 7905: {
! 7906: switch(REG8(AL)) {
! 7907: case 0x00:
! 7908: if(REG16(DX) < 3) {
! 7909: if(pio[REG16(DX)].jis_mode) {
! 7910: printer_out(REG16(DX), 0x1c);
! 7911: printer_out(REG16(DX), 0x2e);
! 7912: pio[REG16(DX)].jis_mode = false;
! 7913: }
! 7914: for(UINT16 i = 0; i < REG16(CX); i++) {
! 7915: printer_out(REG16(DX), mem[SREG_BASE(ES) + REG16(BX) + i]);
! 7916: }
! 7917: REG16(CX) = 0x0000;
! 7918: REG8(AH) = 0xd0;
! 7919: }
! 7920: break;
! 7921: default:
! 7922: 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));
! 7923: break;
! 7924: }
! 7925: }
! 7926:
! 7927: inline void pcbios_int_17h_50h()
! 7928: {
! 7929: switch(REG8(AL)) {
! 7930: case 0x00:
! 7931: if(REG16(DX) < 3) {
! 7932: if(REG16(BX) = 0x0001) {
! 7933: pio[REG16(DX)].conv_mode = false;
! 7934: REG8(AL) = 0x00;
! 7935: } else if(REG16(BX) = 0x0051) {
! 7936: pio[REG16(DX)].conv_mode = true;
! 7937: REG8(AL) = 0x00;
! 7938: } else {
! 7939: REG8(AL) = 0x01;
! 7940: }
! 7941: } else {
! 7942: REG8(AL) = 0x02;
! 7943: }
! 7944: break;
! 7945: case 0x01:
! 7946: if(REG16(DX) < 3) {
! 7947: if(pio[REG16(DX)].conv_mode) {
! 7948: REG16(BX) = 0x0051;
! 7949: } else {
! 7950: REG16(BX) = 0x0001;
! 7951: }
! 7952: REG8(AL) = 0x00;
! 7953: } else {
! 7954: REG8(AL) = 0x02;
! 7955: }
! 7956: break;
! 7957: default:
! 7958: 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));
! 7959: break;
! 7960: }
! 7961: }
! 7962:
! 7963: inline void pcbios_int_17h_51h()
! 7964: {
! 7965: if(REG8(DH) >= 0x21 && REG8(DH) <= 0x7e && REG8(DL) >= 0x21 && REG8(DL) <= 0x7e) {
! 7966: REG16(DX) = pcbios_printer_jis2sjis(REG16(DX));
! 7967: } else {
! 7968: REG16(DX) = 0x0000;
! 7969: }
! 7970: }
! 7971:
! 7972: inline void pcbios_int_17h_52h()
! 7973: {
! 7974: if(((REG8(DH) >= 0x81 && REG8(DH) <= 0x9f) || (REG8(DH) >= 0xe0 && REG8(DH) <= 0xfc)) && (REG8(DL) >= 0x40 && REG8(DL) <= 0xfc && REG8(DL) != 0x7f)) {
! 7975: REG16(DX) = pcbios_printer_sjis2jis(REG16(DX));
! 7976: } else {
! 7977: REG16(DX) = 0x0000;
! 7978: }
! 7979: }
! 7980:
! 7981: inline void pcbios_int_17h_84h()
! 7982: {
! 7983: if(REG16(DX) < 3) {
! 7984: if(pio[REG16(DX)].jis_mode) {
! 7985: printer_out(REG16(DX), 0x1c);
! 7986: printer_out(REG16(DX), 0x2e);
! 7987: pio[REG16(DX)].jis_mode = false;
! 7988: }
! 7989: printer_out(REG16(DX), REG8(AL));
! 7990: REG8(AH) = 0xd0;
! 7991: }
! 7992: }
! 7993:
! 7994: inline void pcbios_int_17h_85h()
! 7995: {
! 7996: pio[0].conv_mode = (REG8(AL) == 0x00);
! 7997: }
! 7998:
1.1 root 7999: inline void pcbios_int_1ah_00h()
8000: {
1.1.1.19 root 8001: pcbios_update_daily_timer_counter(timeGetTime());
8002: REG16(CX) = *(UINT16 *)(mem + 0x46e);
8003: REG16(DX) = *(UINT16 *)(mem + 0x46c);
8004: REG8(AL) = mem[0x470];
8005: mem[0x470] = 0;
1.1 root 8006: }
8007:
8008: inline int to_bcd(int t)
8009: {
8010: int u = (t % 100) / 10;
8011: return (u << 4) | (t % 10);
8012: }
8013:
8014: inline void pcbios_int_1ah_02h()
8015: {
8016: SYSTEMTIME time;
8017:
8018: GetLocalTime(&time);
8019: REG8(CH) = to_bcd(time.wHour);
8020: REG8(CL) = to_bcd(time.wMinute);
8021: REG8(DH) = to_bcd(time.wSecond);
8022: REG8(DL) = 0x00;
8023: }
8024:
8025: inline void pcbios_int_1ah_04h()
8026: {
8027: SYSTEMTIME time;
8028:
8029: GetLocalTime(&time);
8030: REG8(CH) = to_bcd(time.wYear / 100);
8031: REG8(CL) = to_bcd(time.wYear);
8032: REG8(DH) = to_bcd(time.wMonth);
8033: REG8(DL) = to_bcd(time.wDay);
8034: }
8035:
8036: inline void pcbios_int_1ah_0ah()
8037: {
8038: SYSTEMTIME time;
8039: FILETIME file_time;
8040: WORD dos_date, dos_time;
8041:
8042: GetLocalTime(&time);
8043: SystemTimeToFileTime(&time, &file_time);
8044: FileTimeToDosDateTime(&file_time, &dos_date, &dos_time);
8045: REG16(CX) = dos_date;
8046: }
8047:
8048: // msdos system call
8049:
8050: inline void msdos_int_21h_00h()
8051: {
1.1.1.3 root 8052: msdos_process_terminate(SREG(CS), retval, 1);
1.1 root 8053: }
8054:
1.1.1.35 root 8055: DWORD WINAPI msdos_int_21h_01h_thread(LPVOID)
1.1 root 8056: {
8057: REG8(AL) = msdos_getche();
1.1.1.33 root 8058: ctrl_break_detected = ctrl_break_pressed;
1.1.1.26 root 8059:
1.1.1.35 root 8060: #ifdef USE_SERVICE_THREAD
8061: service_exit = true;
8062: #endif
8063: return(0);
8064: }
8065:
8066: inline void msdos_int_21h_01h()
8067: {
8068: #ifdef USE_SERVICE_THREAD
8069: start_service_loop(msdos_int_21h_01h_thread);
8070: #else
8071: msdos_int_21h_01h_thread(NULL);
8072: REQUEST_HARDWRE_UPDATE();
8073: #endif
1.1 root 8074: }
8075:
8076: inline void msdos_int_21h_02h()
8077: {
1.1.1.33 root 8078: UINT8 data = REG8(DL);
8079: msdos_putch(data);
8080: REG8(AL) = data;
8081: ctrl_break_detected = ctrl_break_pressed;
1.1 root 8082: }
8083:
8084: inline void msdos_int_21h_03h()
8085: {
8086: REG8(AL) = msdos_aux_in();
8087: }
8088:
8089: inline void msdos_int_21h_04h()
8090: {
8091: msdos_aux_out(REG8(DL));
8092: }
8093:
8094: inline void msdos_int_21h_05h()
8095: {
8096: msdos_prn_out(REG8(DL));
8097: }
8098:
8099: inline void msdos_int_21h_06h()
8100: {
8101: if(REG8(DL) == 0xff) {
8102: if(msdos_kbhit()) {
8103: REG8(AL) = msdos_getch();
1.1.1.3 root 8104: #if defined(HAS_I386)
8105: m_ZF = 0;
8106: #else
8107: m_ZeroVal = 1;
8108: #endif
1.1 root 8109: } else {
8110: REG8(AL) = 0;
1.1.1.3 root 8111: #if defined(HAS_I386)
8112: m_ZF = 1;
8113: #else
8114: m_ZeroVal = 0;
8115: #endif
1.1.1.14 root 8116: maybe_idle();
1.1 root 8117: }
8118: } else {
1.1.1.33 root 8119: UINT8 data = REG8(DL);
8120: msdos_putch(data);
8121: REG8(AL) = data;
1.1 root 8122: }
8123: }
8124:
1.1.1.35 root 8125: DWORD WINAPI msdos_int_21h_07h_thread(LPVOID)
1.1 root 8126: {
8127: REG8(AL) = msdos_getch();
1.1.1.26 root 8128:
1.1.1.35 root 8129: #ifdef USE_SERVICE_THREAD
8130: service_exit = true;
8131: #endif
8132: return(0);
1.1 root 8133: }
8134:
1.1.1.35 root 8135: inline void msdos_int_21h_07h()
8136: {
8137: #ifdef USE_SERVICE_THREAD
8138: start_service_loop(msdos_int_21h_07h_thread);
8139: #else
8140: msdos_int_21h_07h_thread(NULL);
8141: REQUEST_HARDWRE_UPDATE();
8142: #endif
8143: }
8144:
8145: DWORD WINAPI msdos_int_21h_08h_thread(LPVOID)
1.1 root 8146: {
8147: REG8(AL) = msdos_getch();
1.1.1.33 root 8148: ctrl_break_detected = ctrl_break_pressed;
1.1.1.26 root 8149:
1.1.1.35 root 8150: #ifdef USE_SERVICE_THREAD
8151: service_exit = true;
8152: #endif
8153: return(0);
8154: }
8155:
8156: inline void msdos_int_21h_08h()
8157: {
8158: #ifdef USE_SERVICE_THREAD
8159: start_service_loop(msdos_int_21h_08h_thread);
8160: #else
8161: msdos_int_21h_08h_thread(NULL);
8162: REQUEST_HARDWRE_UPDATE();
8163: #endif
1.1 root 8164: }
8165:
8166: inline void msdos_int_21h_09h()
8167: {
1.1.1.21 root 8168: msdos_stdio_reopen();
8169:
1.1.1.20 root 8170: process_t *process = msdos_process_info_get(current_psp);
8171: int fd = msdos_psp_get_file_table(1, current_psp);
8172:
1.1.1.14 root 8173: char *str = (char *)(mem + SREG_BASE(DS) + REG16(DX));
8174: int len = 0;
1.1 root 8175:
1.1.1.14 root 8176: while(str[len] != '$' && len < 0x10000) {
8177: len++;
8178: }
1.1.1.20 root 8179: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 8180: // stdout is redirected to file
1.1.1.20 root 8181: msdos_write(fd, str, len);
1.1 root 8182: } else {
8183: for(int i = 0; i < len; i++) {
1.1.1.14 root 8184: msdos_putch(str[i]);
1.1 root 8185: }
8186: }
1.1.1.33 root 8187: REG8(AL) = '$';
8188: ctrl_break_detected = ctrl_break_pressed;
1.1 root 8189: }
8190:
1.1.1.35 root 8191: DWORD WINAPI msdos_int_21h_0ah_thread(LPVOID)
1.1 root 8192: {
1.1.1.3 root 8193: int ofs = SREG_BASE(DS) + REG16(DX);
1.1 root 8194: int max = mem[ofs] - 1;
8195: UINT8 *buf = mem + ofs + 2;
8196: int chr, p = 0;
8197:
8198: while((chr = msdos_getch()) != 0x0d) {
1.1.1.33 root 8199: if((ctrl_break_checking && ctrl_break_pressed) || ctrl_c_pressed) {
1.1.1.26 root 8200: p = 0;
1.1.1.33 root 8201: msdos_putch(0x03);
8202: msdos_putch(0x0d);
8203: msdos_putch(0x0a);
1.1.1.26 root 8204: break;
1.1.1.33 root 8205: } else if(ctrl_break_pressed) {
8206: // skip this byte
1.1.1.26 root 8207: } else if(chr == 0x00) {
1.1 root 8208: // skip 2nd byte
8209: msdos_getch();
8210: } else if(chr == 0x08) {
8211: // back space
8212: if(p > 0) {
8213: p--;
1.1.1.20 root 8214: if(msdos_ctrl_code_check(buf[p])) {
1.1.1.34 root 8215: msdos_putch(0x08);
8216: msdos_putch(0x08);
8217: msdos_putch(0x20);
8218: msdos_putch(0x20);
8219: msdos_putch(0x08);
8220: msdos_putch(0x08);
1.1.1.36 root 8221: } else if(p > 0 && msdos_kanji_2nd_byte_check(buf, p)) {
8222: p--;
8223: msdos_putch(0x08);
8224: msdos_putch(0x08);
8225: msdos_putch(0x20);
8226: msdos_putch(0x20);
8227: msdos_putch(0x08);
8228: msdos_putch(0x08);
1.1.1.34 root 8229: } else {
8230: msdos_putch(0x08);
8231: msdos_putch(0x20);
8232: msdos_putch(0x08);
8233: }
8234: }
8235: } else if(chr == 0x1b) {
8236: // escape
8237: while(p > 0) {
8238: p--;
8239: if(msdos_ctrl_code_check(buf[p])) {
8240: msdos_putch(0x08);
8241: msdos_putch(0x08);
8242: msdos_putch(0x20);
8243: msdos_putch(0x20);
8244: msdos_putch(0x08);
8245: msdos_putch(0x08);
1.1.1.20 root 8246: } else {
1.1.1.34 root 8247: msdos_putch(0x08);
8248: msdos_putch(0x20);
8249: msdos_putch(0x08);
1.1.1.20 root 8250: }
1.1 root 8251: }
8252: } else if(p < max) {
8253: buf[p++] = chr;
8254: msdos_putch(chr);
8255: }
8256: }
8257: buf[p] = 0x0d;
8258: mem[ofs + 1] = p;
1.1.1.33 root 8259: ctrl_break_detected = ctrl_break_pressed;
1.1.1.26 root 8260:
1.1.1.35 root 8261: #ifdef USE_SERVICE_THREAD
8262: service_exit = true;
8263: #endif
8264: return(0);
8265: }
8266:
8267: inline void msdos_int_21h_0ah()
8268: {
8269: if(mem[SREG_BASE(DS) + REG16(DX)] != 0x00) {
8270: #ifdef USE_SERVICE_THREAD
8271: start_service_loop(msdos_int_21h_0ah_thread);
8272: #else
8273: msdos_int_21h_0ah_thread(NULL);
8274: REQUEST_HARDWRE_UPDATE();
8275: #endif
8276: }
1.1 root 8277: }
8278:
8279: inline void msdos_int_21h_0bh()
8280: {
8281: if(msdos_kbhit()) {
8282: REG8(AL) = 0xff;
8283: } else {
8284: REG8(AL) = 0x00;
1.1.1.14 root 8285: maybe_idle();
1.1 root 8286: }
1.1.1.33 root 8287: ctrl_break_detected = ctrl_break_pressed;
1.1 root 8288: }
8289:
8290: inline void msdos_int_21h_0ch()
8291: {
8292: // clear key buffer
1.1.1.21 root 8293: msdos_stdio_reopen();
8294:
1.1.1.20 root 8295: process_t *process = msdos_process_info_get(current_psp);
8296: int fd = msdos_psp_get_file_table(0, current_psp);
8297:
8298: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 8299: // stdin is redirected to file
8300: } else {
8301: while(msdos_kbhit()) {
8302: msdos_getch();
8303: }
8304: }
8305:
8306: switch(REG8(AL)) {
8307: case 0x01:
8308: msdos_int_21h_01h();
8309: break;
8310: case 0x06:
8311: msdos_int_21h_06h();
8312: break;
8313: case 0x07:
8314: msdos_int_21h_07h();
8315: break;
8316: case 0x08:
8317: msdos_int_21h_08h();
8318: break;
8319: case 0x0a:
8320: msdos_int_21h_0ah();
8321: break;
8322: default:
1.1.1.22 root 8323: // 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));
8324: // REG16(AX) = 0x01;
8325: // m_CF = 1;
1.1 root 8326: break;
8327: }
8328: }
8329:
8330: inline void msdos_int_21h_0dh()
8331: {
8332: }
8333:
8334: inline void msdos_int_21h_0eh()
8335: {
8336: if(REG8(DL) < 26) {
8337: _chdrive(REG8(DL) + 1);
8338: msdos_cds_update(REG8(DL));
1.1.1.23 root 8339: msdos_sda_update(current_psp);
1.1 root 8340: }
8341: REG8(AL) = 26; // zdrive
8342: }
8343:
1.1.1.14 root 8344: inline void msdos_int_21h_0fh()
8345: {
8346: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8347: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
8348: char *path = msdos_fcb_path(fcb);
8349: 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 8350:
1.1.1.14 root 8351: if(hFile == INVALID_HANDLE_VALUE) {
8352: REG8(AL) = 0xff;
8353: } else {
8354: REG8(AL) = 0;
8355: fcb->current_block = 0;
8356: fcb->record_size = 128;
8357: fcb->file_size = GetFileSize(hFile, NULL);
8358: fcb->handle = hFile;
8359: fcb->cur_record = 0;
8360: }
8361: }
8362:
8363: inline void msdos_int_21h_10h()
8364: {
8365: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8366: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
8367:
8368: REG8(AL) = CloseHandle(fcb->handle) ? 0 : 0xff;
8369: }
8370:
1.1 root 8371: inline void msdos_int_21h_11h()
8372: {
1.1.1.3 root 8373: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8374: fcb_t *fcb = (fcb_t *)(mem + SREG_BASE(DS) + REG16(DX) + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 8375:
8376: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 8377: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
8378: ext_fcb_t *ext_find = (ext_fcb_t *)(mem + dta_laddr);
8379: find_fcb_t *find = (find_fcb_t *)(mem + dta_laddr + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 8380: char *path = msdos_fcb_path(fcb);
8381: WIN32_FIND_DATA fd;
8382:
1.1.1.13 root 8383: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, dta_laddr);
8384: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
8385: FindClose(dtainfo->find_handle);
8386: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 8387: }
8388: strcpy(process->volume_label, msdos_volume_label(path));
1.1.1.14 root 8389: dtainfo->allowable_mask = (ext_fcb->flag == 0xff) ? ext_fcb->attribute : 0x20;
8390: bool label_only = (dtainfo->allowable_mask == 8);
1.1 root 8391:
1.1.1.14 root 8392: if((dtainfo->allowable_mask & 8) && !msdos_match_volume_label(path, msdos_short_volume_label(process->volume_label))) {
8393: dtainfo->allowable_mask &= ~8;
1.1 root 8394: }
1.1.1.14 root 8395: if(!label_only && (dtainfo->find_handle = FindFirstFile(path, &fd)) != INVALID_HANDLE_VALUE) {
8396: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 8397: !msdos_find_file_has_8dot3name(&fd)) {
8398: if(!FindNextFile(dtainfo->find_handle, &fd)) {
8399: FindClose(dtainfo->find_handle);
8400: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 8401: break;
8402: }
8403: }
8404: }
1.1.1.13 root 8405: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 8406: if(ext_fcb->flag == 0xff) {
8407: ext_find->flag = 0xff;
8408: memset(ext_find->reserved, 0, 5);
8409: ext_find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
8410: }
8411: find->drive = _getdrive();
1.1.1.13 root 8412: msdos_set_fcb_path((fcb_t *)find, msdos_short_name(&fd));
1.1 root 8413: find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
8414: find->nt_res = 0;
8415: msdos_find_file_conv_local_time(&fd);
8416: find->create_time_ms = 0;
8417: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
8418: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
8419: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
8420: find->cluster_hi = find->cluster_lo = 0;
8421: find->file_size = fd.nFileSizeLow;
8422: REG8(AL) = 0x00;
1.1.1.14 root 8423: } else if(dtainfo->allowable_mask & 8) {
1.1 root 8424: if(ext_fcb->flag == 0xff) {
8425: ext_find->flag = 0xff;
8426: memset(ext_find->reserved, 0, 5);
8427: ext_find->attribute = 8;
8428: }
8429: find->drive = _getdrive();
8430: msdos_set_fcb_path((fcb_t *)find, msdos_short_volume_label(process->volume_label));
8431: find->attribute = 8;
8432: find->nt_res = 0;
8433: msdos_find_file_conv_local_time(&fd);
8434: find->create_time_ms = 0;
8435: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
8436: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
8437: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
8438: find->cluster_hi = find->cluster_lo = 0;
8439: find->file_size = 0;
1.1.1.14 root 8440: dtainfo->allowable_mask &= ~8;
1.1 root 8441: REG8(AL) = 0x00;
8442: } else {
8443: REG8(AL) = 0xff;
8444: }
8445: }
8446:
8447: inline void msdos_int_21h_12h()
8448: {
1.1.1.3 root 8449: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
1.1.1.14 root 8450: // fcb_t *fcb = (fcb_t *)(mem + SREG_BASE(DS) + REG16(DX) + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 8451:
8452: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 8453: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
8454: ext_fcb_t *ext_find = (ext_fcb_t *)(mem + dta_laddr);
8455: find_fcb_t *find = (find_fcb_t *)(mem + dta_laddr + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 8456: WIN32_FIND_DATA fd;
8457:
1.1.1.13 root 8458: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, dta_laddr);
8459: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
8460: if(FindNextFile(dtainfo->find_handle, &fd)) {
1.1.1.14 root 8461: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 8462: !msdos_find_file_has_8dot3name(&fd)) {
8463: if(!FindNextFile(dtainfo->find_handle, &fd)) {
8464: FindClose(dtainfo->find_handle);
8465: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 8466: break;
8467: }
8468: }
8469: } else {
1.1.1.13 root 8470: FindClose(dtainfo->find_handle);
8471: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 8472: }
8473: }
1.1.1.13 root 8474: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 8475: if(ext_fcb->flag == 0xff) {
8476: ext_find->flag = 0xff;
8477: memset(ext_find->reserved, 0, 5);
8478: ext_find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
8479: }
8480: find->drive = _getdrive();
1.1.1.13 root 8481: msdos_set_fcb_path((fcb_t *)find, msdos_short_name(&fd));
1.1 root 8482: find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
8483: find->nt_res = 0;
8484: msdos_find_file_conv_local_time(&fd);
8485: find->create_time_ms = 0;
8486: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
8487: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
8488: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
8489: find->cluster_hi = find->cluster_lo = 0;
8490: find->file_size = fd.nFileSizeLow;
8491: REG8(AL) = 0x00;
1.1.1.14 root 8492: } else if(dtainfo->allowable_mask & 8) {
1.1 root 8493: if(ext_fcb->flag == 0xff) {
8494: ext_find->flag = 0xff;
8495: memset(ext_find->reserved, 0, 5);
8496: ext_find->attribute = 8;
8497: }
8498: find->drive = _getdrive();
8499: msdos_set_fcb_path((fcb_t *)find, msdos_short_volume_label(process->volume_label));
8500: find->attribute = 8;
8501: find->nt_res = 0;
8502: msdos_find_file_conv_local_time(&fd);
8503: find->create_time_ms = 0;
8504: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
8505: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
8506: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
8507: find->cluster_hi = find->cluster_lo = 0;
8508: find->file_size = 0;
1.1.1.14 root 8509: dtainfo->allowable_mask &= ~8;
1.1 root 8510: REG8(AL) = 0x00;
8511: } else {
8512: REG8(AL) = 0xff;
8513: }
8514: }
8515:
8516: inline void msdos_int_21h_13h()
8517: {
1.1.1.3 root 8518: if(remove(msdos_fcb_path((fcb_t *)(mem + SREG_BASE(DS) + REG16(DX))))) {
1.1 root 8519: REG8(AL) = 0xff;
8520: } else {
8521: REG8(AL) = 0x00;
8522: }
8523: }
8524:
1.1.1.16 root 8525: inline void msdos_int_21h_14h()
8526: {
8527: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8528: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
8529: process_t *process = msdos_process_info_get(current_psp);
8530: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
8531: DWORD num = 0;
8532:
8533: memset(mem + dta_laddr, 0, fcb->record_size);
8534: if(!ReadFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL) || num == 0) {
8535: REG8(AL) = 1;
8536: } else {
8537: UINT32 position = fcb->current_block * fcb->record_size + fcb->cur_record + num;
8538: fcb->current_block = (position & 0xffffff) / fcb->record_size;
8539: fcb->cur_record = (position & 0xffffff) % fcb->record_size;
8540: REG8(AL) = (num == fcb->record_size) ? 0 : 3;
8541: }
8542: }
8543:
8544: inline void msdos_int_21h_15h()
1.1.1.14 root 8545: {
8546: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8547: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
1.1.1.16 root 8548: process_t *process = msdos_process_info_get(current_psp);
8549: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
8550: DWORD num = 0;
1.1.1.14 root 8551:
1.1.1.16 root 8552: if(!WriteFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL) || num == 0) {
8553: REG8(AL) = 1;
8554: } else {
8555: fcb->file_size = GetFileSize(fcb->handle, NULL);
8556: UINT32 position = fcb->current_block * fcb->record_size + fcb->cur_record + num;
8557: fcb->current_block = (position & 0xffffff) / fcb->record_size;
8558: fcb->cur_record = (position & 0xffffff) % fcb->record_size;
8559: REG8(AL) = (num == fcb->record_size) ? 0 : 1;
8560: }
8561: }
8562:
8563: inline void msdos_int_21h_16h()
8564: {
8565: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8566: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
1.1.1.14 root 8567: char *path = msdos_fcb_path(fcb);
8568: 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 8569:
1.1.1.14 root 8570: if(hFile == INVALID_HANDLE_VALUE) {
8571: REG8(AL) = 0xff;
8572: } else {
8573: REG8(AL) = 0;
8574: fcb->current_block = 0;
8575: fcb->record_size = 128;
8576: fcb->file_size = 0;
8577: fcb->handle = hFile;
8578: fcb->cur_record = 0;
8579: }
8580: }
8581:
1.1.1.16 root 8582: inline void msdos_int_21h_17h()
8583: {
8584: ext_fcb_t *ext_fcb_src = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8585: fcb_t *fcb_src = (fcb_t *)(ext_fcb_src + (ext_fcb_src->flag == 0xff ? 1 : 0));
8586: char *path_src = msdos_fcb_path(fcb_src);
8587: ext_fcb_t *ext_fcb_dst = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX) + 16);
8588: fcb_t *fcb_dst = (fcb_t *)(ext_fcb_dst + (ext_fcb_dst->flag == 0xff ? 1 : 0));
8589: char *path_dst = msdos_fcb_path(fcb_dst);
8590:
8591: if(rename(path_src, path_dst)) {
8592: REG8(AL) = 0xff;
8593: } else {
8594: REG8(AL) = 0;
8595: }
8596: }
8597:
1.1 root 8598: inline void msdos_int_21h_18h()
8599: {
8600: REG8(AL) = 0x00;
8601: }
8602:
8603: inline void msdos_int_21h_19h()
8604: {
8605: REG8(AL) = _getdrive() - 1;
8606: }
8607:
8608: inline void msdos_int_21h_1ah()
8609: {
8610: process_t *process = msdos_process_info_get(current_psp);
8611:
8612: process->dta.w.l = REG16(DX);
1.1.1.3 root 8613: process->dta.w.h = SREG(DS);
1.1.1.23 root 8614: msdos_sda_update(current_psp);
1.1 root 8615: }
8616:
8617: inline void msdos_int_21h_1bh()
8618: {
8619: int drive_num = _getdrive() - 1;
8620: UINT16 seg, ofs;
8621:
8622: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
8623: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
8624: REG8(AL) = dpb->highest_sector_num + 1;
8625: REG16(CX) = dpb->bytes_per_sector;
8626: REG16(DX) = dpb->highest_cluster_num - 1;
1.1.1.3 root 8627: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(BX)) = dpb->media_type;
1.1 root 8628: } else {
8629: REG8(AL) = 0xff;
1.1.1.3 root 8630: m_CF = 1;
1.1 root 8631: }
8632:
8633: }
8634:
8635: inline void msdos_int_21h_1ch()
8636: {
8637: int drive_num = REG8(DL) ? (REG8(DL) - 1) : (_getdrive() - 1);
8638: UINT16 seg, ofs;
8639:
8640: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
8641: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
8642: REG8(AL) = dpb->highest_sector_num + 1;
8643: REG16(CX) = dpb->bytes_per_sector;
8644: REG16(DX) = dpb->highest_cluster_num - 1;
1.1.1.3 root 8645: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(BX)) = dpb->media_type;
1.1 root 8646: } else {
8647: REG8(AL) = 0xff;
1.1.1.3 root 8648: m_CF = 1;
1.1 root 8649: }
8650:
8651: }
8652:
8653: inline void msdos_int_21h_1dh()
8654: {
8655: REG8(AL) = 0;
8656: }
8657:
8658: inline void msdos_int_21h_1eh()
8659: {
8660: REG8(AL) = 0;
8661: }
8662:
8663: inline void msdos_int_21h_1fh()
8664: {
8665: int drive_num = _getdrive() - 1;
8666: UINT16 seg, ofs;
8667:
8668: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
8669: REG8(AL) = 0;
1.1.1.3 root 8670: SREG(DS) = seg;
8671: i386_load_segment_descriptor(DS);
1.1 root 8672: REG16(BX) = ofs;
8673: } else {
8674: REG8(AL) = 0xff;
1.1.1.3 root 8675: m_CF = 1;
1.1 root 8676: }
8677: }
8678:
8679: inline void msdos_int_21h_20h()
8680: {
8681: REG8(AL) = 0;
8682: }
8683:
1.1.1.14 root 8684: inline void msdos_int_21h_21h()
8685: {
8686: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8687: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
8688:
8689: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
8690: REG8(AL) = 1;
8691: } else {
8692: process_t *process = msdos_process_info_get(current_psp);
8693: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
8694: memset(mem + dta_laddr, 0, fcb->record_size);
1.1.1.16 root 8695: DWORD num = 0;
1.1.1.14 root 8696: if(!ReadFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL) || num == 0) {
8697: REG8(AL) = 1;
8698: } else {
8699: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
8700: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
1.1.1.16 root 8701: REG8(AL) = (num == fcb->record_size) ? 0 : 3;
1.1.1.14 root 8702: }
8703: }
8704: }
8705:
8706: inline void msdos_int_21h_22h()
8707: {
8708: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8709: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
8710:
8711: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
8712: REG8(AL) = 0xff;
8713: } else {
8714: process_t *process = msdos_process_info_get(current_psp);
8715: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
1.1.1.16 root 8716: DWORD num = 0;
1.1.1.14 root 8717: WriteFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL);
8718: fcb->file_size = GetFileSize(fcb->handle, NULL);
8719: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
8720: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
1.1.1.16 root 8721: REG8(AL) = (num == fcb->record_size) ? 0 : 1;
1.1.1.14 root 8722: }
8723: }
8724:
1.1.1.16 root 8725: inline void msdos_int_21h_23h()
8726: {
8727: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8728: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
8729: char *path = msdos_fcb_path(fcb);
8730: HANDLE hFile = CreateFile(path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
8731:
8732: if(hFile == INVALID_HANDLE_VALUE) {
8733: REG8(AL) = 0xff;
8734: } else {
8735: UINT32 size = GetFileSize(hFile, NULL);
8736: fcb->rand_record = size / fcb->record_size + ((size % fcb->record_size) != 0);
8737: REG8(AL) = 0;
8738: }
8739: }
8740:
8741: inline void msdos_int_21h_24h()
8742: {
8743: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8744: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
8745:
8746: fcb->rand_record = fcb->current_block * fcb->record_size + fcb->cur_record;
8747: }
8748:
1.1 root 8749: inline void msdos_int_21h_25h()
8750: {
8751: *(UINT16 *)(mem + 4 * REG8(AL) + 0) = REG16(DX);
1.1.1.3 root 8752: *(UINT16 *)(mem + 4 * REG8(AL) + 2) = SREG(DS);
1.1 root 8753: }
8754:
8755: inline void msdos_int_21h_26h()
8756: {
8757: psp_t *psp = (psp_t *)(mem + (REG16(DX) << 4));
8758:
8759: memcpy(mem + (REG16(DX) << 4), mem + (current_psp << 4), sizeof(psp_t));
8760: psp->first_mcb = REG16(DX) + 16;
8761: psp->int_22h.dw = *(UINT32 *)(mem + 4 * 0x22);
8762: psp->int_23h.dw = *(UINT32 *)(mem + 4 * 0x23);
8763: psp->int_24h.dw = *(UINT32 *)(mem + 4 * 0x24);
8764: psp->parent_psp = 0;
8765: }
8766:
1.1.1.16 root 8767: inline void msdos_int_21h_27h()
8768: {
8769: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8770: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
8771:
8772: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
8773: REG8(AL) = 1;
8774: } else {
8775: process_t *process = msdos_process_info_get(current_psp);
8776: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
8777: memset(mem + dta_laddr, 0, fcb->record_size * REG16(CX));
8778: DWORD num = 0;
8779: if(!ReadFile(fcb->handle, mem + dta_laddr, fcb->record_size * REG16(CX), &num, NULL) || num == 0) {
8780: REG8(AL) = 1;
8781: } else {
8782: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
8783: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
8784: REG8(AL) = (num == fcb->record_size) ? 0 : 3;
8785: REG16(CX) = num / fcb->record_size + ((num % fcb->record_size) != 0);
8786: }
8787: }
8788: }
8789:
8790: inline void msdos_int_21h_28h()
8791: {
8792: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
8793: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
8794:
8795: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
8796: REG8(AL) = 0xff;
8797: } else {
8798: process_t *process = msdos_process_info_get(current_psp);
8799: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
8800: DWORD num = 0;
8801: WriteFile(fcb->handle, mem + dta_laddr, fcb->record_size * REG16(CX), &num, NULL);
8802: fcb->file_size = GetFileSize(fcb->handle, NULL);
8803: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
8804: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
8805: REG8(AL) = (num == fcb->record_size) ? 0 : 1;
8806: REG16(CX) = num / fcb->record_size + ((num % fcb->record_size) != 0);
8807: }
8808: }
8809:
1.1 root 8810: inline void msdos_int_21h_29h()
8811: {
1.1.1.20 root 8812: int ofs = 0;//SREG_BASE(DS) + REG16(SI);
8813: char buffer[1024], name[MAX_PATH], ext[MAX_PATH];
1.1 root 8814: UINT8 drv = 0;
8815: char sep_chars[] = ":.;,=+";
8816: char end_chars[] = "\\<>|/\"[]";
8817: char spc_chars[] = " \t";
8818:
1.1.1.20 root 8819: memcpy(buffer, mem + SREG_BASE(DS) + REG16(SI), 1023);
8820: buffer[1023] = 0;
8821: memset(name, 0x20, sizeof(name));
8822: memset(ext, 0x20, sizeof(ext));
8823:
1.1 root 8824: if(REG8(AL) & 1) {
1.1.1.20 root 8825: ofs += strspn((char *)(buffer + ofs), spc_chars);
8826: if(my_strchr(sep_chars, buffer[ofs]) && buffer[ofs] != '\0') {
1.1 root 8827: ofs++;
8828: }
8829: }
1.1.1.20 root 8830: ofs += strspn((char *)(buffer + ofs), spc_chars);
1.1 root 8831:
1.1.1.24 root 8832: if(buffer[ofs + 1] == ':') {
8833: if(buffer[ofs] >= 'a' && buffer[ofs] <= 'z') {
8834: drv = buffer[ofs] - 'a' + 1;
1.1.1.20 root 8835: ofs += 2;
1.1.1.24 root 8836: if(buffer[ofs] == '\\' || buffer[ofs] == '/') {
8837: ofs++;
8838: }
8839: } else if(buffer[ofs] >= 'A' && buffer[ofs] <= 'Z') {
8840: drv = buffer[ofs] - 'A' + 1;
1.1 root 8841: ofs += 2;
1.1.1.24 root 8842: if(buffer[ofs] == '\\' || buffer[ofs] == '/') {
8843: ofs++;
8844: }
1.1 root 8845: }
8846: }
1.1.1.20 root 8847: for(int i = 0, is_kanji = 0; i < MAX_PATH; i++) {
8848: UINT8 c = buffer[ofs];
8849: if(is_kanji) {
8850: is_kanji = 0;
8851: } else if(msdos_lead_byte_check(c)) {
8852: is_kanji = 1;
8853: } else if(c <= 0x20 || my_strchr(end_chars, c) || my_strchr(sep_chars, c)) {
1.1 root 8854: break;
8855: } else if(c >= 'a' && c <= 'z') {
8856: c -= 0x20;
8857: }
8858: ofs++;
8859: name[i] = c;
8860: }
1.1.1.20 root 8861: if(buffer[ofs] == '.') {
1.1 root 8862: ofs++;
1.1.1.20 root 8863: for(int i = 0, is_kanji = 0; i < MAX_PATH; i++) {
8864: UINT8 c = buffer[ofs];
8865: if(is_kanji) {
8866: is_kanji = 0;
8867: } else if(msdos_lead_byte_check(c)) {
8868: is_kanji = 1;
8869: } else if(c <= 0x20 || my_strchr(end_chars, c) || my_strchr(sep_chars, c)) {
1.1 root 8870: break;
8871: } else if(c >= 'a' && c <= 'z') {
8872: c -= 0x20;
8873: }
8874: ofs++;
8875: ext[i] = c;
8876: }
8877: }
1.1.1.20 root 8878: int si = REG16(SI) + ofs;
1.1.1.3 root 8879: int ds = SREG(DS);
1.1 root 8880: while(si > 0xffff) {
8881: si -= 0x10;
8882: ds++;
8883: }
8884: REG16(SI) = si;
1.1.1.3 root 8885: SREG(DS) = ds;
8886: i386_load_segment_descriptor(DS);
1.1 root 8887:
1.1.1.3 root 8888: UINT8 *fcb = mem + SREG_BASE(ES) + REG16(DI);
1.1.1.20 root 8889: if(!(REG8(AL) & 2) || drv != 0) {
8890: fcb[0] = drv;
8891: }
8892: if(!(REG8(AL) & 4) || name[0] != 0x20) {
8893: memcpy(fcb + 1, name, 8);
8894: }
8895: if(!(REG8(AL) & 8) || ext[0] != 0x20) {
8896: memcpy(fcb + 9, ext, 3);
8897: }
8898: for(int i = 1, found_star = 0; i < 1 + 8; i++) {
1.1 root 8899: if(fcb[i] == '*') {
8900: found_star = 1;
8901: }
8902: if(found_star) {
8903: fcb[i] = '?';
8904: }
8905: }
1.1.1.20 root 8906: for(int i = 9, found_star = 0; i < 9 + 3; i++) {
1.1 root 8907: if(fcb[i] == '*') {
8908: found_star = 1;
8909: }
8910: if(found_star) {
8911: fcb[i] = '?';
8912: }
8913: }
8914:
8915: if(drv == 0 || (drv > 0 && drv <= 26 && (GetLogicalDrives() & ( 1 << (drv - 1) )))) {
8916: if(memchr(fcb + 1, '?', 8 + 3)) {
8917: REG8(AL) = 0x01;
1.1.1.20 root 8918: } else {
8919: REG8(AL) = 0x00;
1.1 root 8920: }
8921: } else {
8922: REG8(AL) = 0xff;
8923: }
8924: }
8925:
8926: inline void msdos_int_21h_2ah()
8927: {
8928: SYSTEMTIME sTime;
8929:
8930: GetLocalTime(&sTime);
8931: REG16(CX) = sTime.wYear;
8932: REG8(DH) = (UINT8)sTime.wMonth;
8933: REG8(DL) = (UINT8)sTime.wDay;
8934: REG8(AL) = (UINT8)sTime.wDayOfWeek;
8935: }
8936:
8937: inline void msdos_int_21h_2bh()
8938: {
1.1.1.14 root 8939: REG8(AL) = 0xff;
1.1 root 8940: }
8941:
8942: inline void msdos_int_21h_2ch()
8943: {
8944: SYSTEMTIME sTime;
8945:
8946: GetLocalTime(&sTime);
8947: REG8(CH) = (UINT8)sTime.wHour;
8948: REG8(CL) = (UINT8)sTime.wMinute;
8949: REG8(DH) = (UINT8)sTime.wSecond;
1.1.1.14 root 8950: REG8(DL) = (UINT8)sTime.wMilliseconds / 10;
1.1 root 8951: }
8952:
8953: inline void msdos_int_21h_2dh()
8954: {
8955: REG8(AL) = 0x00;
8956: }
8957:
8958: inline void msdos_int_21h_2eh()
8959: {
8960: process_t *process = msdos_process_info_get(current_psp);
8961:
8962: process->verify = REG8(AL);
8963: }
8964:
8965: inline void msdos_int_21h_2fh()
8966: {
8967: process_t *process = msdos_process_info_get(current_psp);
8968:
8969: REG16(BX) = process->dta.w.l;
1.1.1.3 root 8970: SREG(ES) = process->dta.w.h;
8971: i386_load_segment_descriptor(ES);
1.1 root 8972: }
8973:
8974: inline void msdos_int_21h_30h()
8975: {
8976: // Version Flag / OEM
1.1.1.27 root 8977: if(REG8(AL) == 0x01) {
1.1.1.29 root 8978: #ifdef SUPPORT_HMA
8979: REG16(BX) = 0x0000;
8980: #else
8981: REG16(BX) = 0x1000; // DOS is in HMA
8982: #endif
1.1 root 8983: } else {
1.1.1.27 root 8984: // NOTE: EXDEB invites BL shows the machine type (0=PC-98, 1=PC/AT, 2=FMR),
8985: // but this is not correct on Windows 98 SE
8986: // REG16(BX) = 0xff01; // OEM = Microsoft, PC/AT
8987: REG16(BX) = 0xff00; // OEM = Microsoft
1.1 root 8988: }
1.1.1.27 root 8989: REG16(CX) = 0x0000;
1.1.1.30 root 8990: REG8(AL) = dos_major_version; // 7
8991: REG8(AH) = dos_minor_version; // 10
1.1 root 8992: }
8993:
8994: inline void msdos_int_21h_31h()
8995: {
1.1.1.29 root 8996: try {
8997: msdos_mem_realloc(current_psp, REG16(DX), NULL);
8998: } catch(...) {
8999: // recover the broken mcb
9000: int mcb_seg = current_psp - 1;
9001: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1.1.33 root 9002:
1.1.1.29 root 9003: if(mcb_seg < (MEMORY_END >> 4)) {
1.1.1.33 root 9004: mcb->mz = 'M';
9005: mcb->paragraphs = (MEMORY_END >> 4) - mcb_seg - 2;
9006:
1.1.1.29 root 9007: if(((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked & 0x01) {
1.1.1.33 root 9008: msdos_mcb_create((MEMORY_END >> 4) - 1, 'M', PSP_SYSTEM, (UMB_TOP >> 4) - (MEMORY_END >> 4));
1.1.1.29 root 9009: } else {
1.1.1.33 root 9010: msdos_mcb_create((MEMORY_END >> 4) - 1, 'Z', PSP_SYSTEM, 0);
1.1.1.29 root 9011: }
9012: } else {
9013: mcb->mz = 'Z';
1.1.1.30 root 9014: mcb->paragraphs = (UMB_END >> 4) - mcb_seg - 1;
1.1.1.29 root 9015: }
9016: msdos_mem_realloc(current_psp, REG16(DX), NULL);
9017: }
1.1 root 9018: msdos_process_terminate(current_psp, REG8(AL) | 0x300, 0);
9019: }
9020:
9021: inline void msdos_int_21h_32h()
9022: {
9023: int drive_num = (REG8(DL) == 0) ? (_getdrive() - 1) : (REG8(DL) - 1);
9024: UINT16 seg, ofs;
9025:
9026: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
9027: REG8(AL) = 0;
1.1.1.3 root 9028: SREG(DS) = seg;
9029: i386_load_segment_descriptor(DS);
1.1 root 9030: REG16(BX) = ofs;
9031: } else {
9032: REG8(AL) = 0xff;
1.1.1.3 root 9033: m_CF = 1;
1.1 root 9034: }
9035: }
9036:
9037: inline void msdos_int_21h_33h()
9038: {
9039: char path[MAX_PATH];
9040:
9041: switch(REG8(AL)) {
9042: case 0x00:
1.1.1.33 root 9043: REG8(DL) = ctrl_break_checking;
1.1 root 9044: break;
9045: case 0x01:
1.1.1.33 root 9046: ctrl_break_checking = REG8(DL);
9047: break;
9048: case 0x02:
9049: {
9050: UINT8 old = ctrl_break_checking;
9051: ctrl_break_checking = REG8(DL);
9052: REG8(DL) = old;
9053: }
9054: break;
9055: case 0x03:
9056: case 0x04:
9057: // DOS 4.0+ - Unused
1.1 root 9058: break;
9059: case 0x05:
9060: GetSystemDirectory(path, MAX_PATH);
9061: if(path[0] >= 'a' && path[0] <= 'z') {
9062: REG8(DL) = path[0] - 'a' + 1;
9063: } else {
9064: REG8(DL) = path[0] - 'A' + 1;
9065: }
9066: break;
9067: case 0x06:
1.1.1.2 root 9068: // MS-DOS version (7.10)
1.1 root 9069: REG8(BL) = 7;
1.1.1.2 root 9070: REG8(BH) = 10;
1.1 root 9071: REG8(DL) = 0;
1.1.1.29 root 9072: #ifdef SUPPORT_HMA
9073: REG8(DH) = 0x00;
9074: #else
9075: REG8(DH) = 0x10; // DOS is in HMA
9076: #endif
1.1 root 9077: break;
1.1.1.6 root 9078: case 0x07:
9079: if(REG8(DL) == 0) {
9080: ((dos_info_t *)(mem + DOS_INFO_TOP))->dos_flag &= ~0x20;
9081: } else if(REG8(DL) == 1) {
9082: ((dos_info_t *)(mem + DOS_INFO_TOP))->dos_flag |= 0x20;
9083: }
9084: break;
1.1 root 9085: default:
1.1.1.22 root 9086: 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 9087: REG16(AX) = 0x01;
1.1.1.3 root 9088: m_CF = 1;
1.1 root 9089: break;
9090: }
9091: }
9092:
1.1.1.23 root 9093: inline void msdos_int_21h_34h()
9094: {
9095: SREG(ES) = SDA_TOP >> 4;
9096: i386_load_segment_descriptor(ES);
9097: REG16(BX) = offsetof(sda_t, indos_flag);;
9098: }
9099:
1.1 root 9100: inline void msdos_int_21h_35h()
9101: {
9102: REG16(BX) = *(UINT16 *)(mem + 4 * REG8(AL) + 0);
1.1.1.3 root 9103: SREG(ES) = *(UINT16 *)(mem + 4 * REG8(AL) + 2);
9104: i386_load_segment_descriptor(ES);
1.1 root 9105: }
9106:
9107: inline void msdos_int_21h_36h()
9108: {
9109: struct _diskfree_t df = {0};
9110:
9111: if(_getdiskfree(REG8(DL), &df) == 0) {
9112: REG16(AX) = (UINT16)df.sectors_per_cluster;
9113: REG16(CX) = (UINT16)df.bytes_per_sector;
1.1.1.13 root 9114: REG16(BX) = df.avail_clusters > 0xFFFF ? 0xFFFF : (UINT16)df.avail_clusters;
9115: REG16(DX) = df.total_clusters > 0xFFFF ? 0xFFFF : (UINT16)df.total_clusters;
1.1 root 9116: } else {
9117: REG16(AX) = 0xffff;
9118: }
9119: }
9120:
9121: inline void msdos_int_21h_37h()
9122: {
1.1.1.22 root 9123: static UINT8 dev_flag = 0xff;
1.1 root 9124:
9125: switch(REG8(AL)) {
9126: case 0x00:
1.1.1.22 root 9127: {
9128: process_t *process = msdos_process_info_get(current_psp);
9129: REG8(AL) = 0x00;
9130: REG8(DL) = process->switchar;
9131: }
1.1 root 9132: break;
9133: case 0x01:
1.1.1.22 root 9134: {
9135: process_t *process = msdos_process_info_get(current_psp);
9136: REG8(AL) = 0x00;
9137: process->switchar = REG8(DL);
1.1.1.23 root 9138: msdos_sda_update(current_psp);
1.1.1.22 root 9139: }
9140: break;
9141: case 0x02:
9142: REG8(DL) = dev_flag;
9143: break;
9144: case 0x03:
9145: dev_flag = REG8(DL);
9146: break;
9147: case 0xd0:
9148: case 0xd1:
9149: case 0xd2:
9150: case 0xd3:
9151: case 0xd4:
9152: case 0xd5:
9153: case 0xd6:
9154: case 0xd7:
9155: case 0xdc:
9156: case 0xdd:
9157: case 0xde:
9158: case 0xdf:
9159: // diet ???
9160: REG16(AX) = 1;
1.1 root 9161: break;
9162: default:
1.1.1.22 root 9163: 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 9164: REG16(AX) = 1;
9165: break;
9166: }
9167: }
9168:
1.1.1.19 root 9169: int get_country_info(country_info_t *ci)
1.1.1.17 root 9170: {
9171: char LCdata[80];
9172:
1.1.1.19 root 9173: ZeroMemory(ci, offsetof(country_info_t, reserved));
1.1.1.17 root 9174: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_ICURRDIGITS, LCdata, sizeof(LCdata));
9175: ci->currency_dec_digits = atoi(LCdata);
9176: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_ICURRENCY, LCdata, sizeof(LCdata));
9177: ci->currency_format = *LCdata - '0';
9178: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_IDATE, LCdata, sizeof(LCdata));
9179: ci->date_format = *LCdata - '0';
9180: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SCURRENCY, LCdata, sizeof(LCdata));
9181: memcpy(&ci->currency_symbol, LCdata, 4);
9182: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SDATE, LCdata, sizeof(LCdata));
9183: *ci->date_sep = *LCdata;
9184: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SDECIMAL, LCdata, sizeof(LCdata));
9185: *ci->dec_sep = *LCdata;
9186: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SLIST, LCdata, sizeof(LCdata));
9187: *ci->list_sep = *LCdata;
9188: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_STHOUSAND, LCdata, sizeof(LCdata));
9189: *ci->thou_sep = *LCdata;
9190: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_STIME, LCdata, sizeof(LCdata));
9191: *ci->time_sep = *LCdata;
9192: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_STIMEFORMAT, LCdata, sizeof(LCdata));
9193: if(strchr(LCdata, 'H') != NULL) {
9194: ci->time_format = 1;
9195: }
1.1.1.27 root 9196: ci->case_map.w.l = 0x000a; // dummy case map routine is at fffd:000a
1.1.1.24 root 9197: ci->case_map.w.h = 0xfffd;
1.1.1.17 root 9198: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_ICOUNTRY, LCdata, sizeof(LCdata));
9199: return atoi(LCdata);
9200: }
9201:
1.1.1.14 root 9202: inline void msdos_int_21h_38h()
9203: {
9204: switch(REG8(AL)) {
9205: case 0x00:
1.1.1.19 root 9206: REG16(BX) = get_country_info((country_info_t *)(mem + SREG_BASE(DS) + REG16(DX)));
1.1.1.14 root 9207: break;
9208: default:
1.1.1.22 root 9209: 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 9210: REG16(AX) = 2;
9211: m_CF = 1;
9212: break;
9213: }
9214: }
9215:
1.1 root 9216: inline void msdos_int_21h_39h(int lfn)
9217: {
1.1.1.3 root 9218: if(_mkdir(msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn))) {
1.1 root 9219: REG16(AX) = errno;
1.1.1.3 root 9220: m_CF = 1;
1.1 root 9221: }
9222: }
9223:
9224: inline void msdos_int_21h_3ah(int lfn)
9225: {
1.1.1.3 root 9226: if(_rmdir(msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn))) {
1.1 root 9227: REG16(AX) = errno;
1.1.1.3 root 9228: m_CF = 1;
1.1 root 9229: }
9230: }
9231:
9232: inline void msdos_int_21h_3bh(int lfn)
9233: {
1.1.1.3 root 9234: if(_chdir(msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn))) {
1.1.1.17 root 9235: REG16(AX) = 3; // must be 3 (path not found)
1.1.1.3 root 9236: m_CF = 1;
1.1 root 9237: }
9238: }
9239:
9240: inline void msdos_int_21h_3ch()
9241: {
1.1.1.3 root 9242: char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 9243: int attr = GetFileAttributes(path);
1.1.1.37! root 9244: int fd = -1;
1.1.1.11 root 9245: UINT16 info;
1.1.1.37! root 9246: int sio_port = 0;
! 9247: int lpt_port = 0;
1.1 root 9248:
1.1.1.11 root 9249: if(msdos_is_con_path(path)) {
9250: fd = _open("CON", _O_WRONLY | _O_BINARY);
9251: info = 0x80d3;
1.1.1.37! root 9252: } else if((sio_port = msdos_is_comm_path(path)) != 0) {
! 9253: fd = _open("NUL", _O_WRONLY | _O_BINARY);
1.1.1.14 root 9254: info = 0x80d3;
1.1.1.37! root 9255: msdos_set_comm_params(sio_port, path);
! 9256: } else if((lpt_port = msdos_is_prn_path(path)) != 0) {
! 9257: fd = _open("NUL", _O_WRONLY | _O_BINARY);
! 9258: info = 0xa8c0;
1.1.1.29 root 9259: } else if(msdos_is_device_path(path)) {
1.1.1.20 root 9260: fd = _open("NUL", _O_WRONLY | _O_BINARY);
9261: info = 0x80d3;
1.1 root 9262: } else {
9263: fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
1.1.1.11 root 9264: info = msdos_drive_number(path);
1.1 root 9265: }
9266: if(fd != -1) {
9267: if(attr == -1) {
9268: attr = msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY;
9269: }
9270: SetFileAttributes(path, attr);
9271: REG16(AX) = fd;
1.1.1.37! root 9272: msdos_file_handler_open(fd, path, _isatty(fd), 2, info, current_psp, sio_port, lpt_port);
1.1.1.20 root 9273: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 9274: } else {
9275: REG16(AX) = errno;
1.1.1.3 root 9276: m_CF = 1;
1.1 root 9277: }
9278: }
9279:
9280: inline void msdos_int_21h_3dh()
9281: {
1.1.1.3 root 9282: char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 9283: int mode = REG8(AL) & 0x03;
1.1.1.37! root 9284: int fd = -1;
1.1.1.11 root 9285: UINT16 info;
1.1.1.37! root 9286: int sio_port = 0;
! 9287: int lpt_port = 0;
1.1 root 9288:
9289: if(mode < 0x03) {
1.1.1.11 root 9290: if(msdos_is_con_path(path)) {
1.1.1.13 root 9291: fd = msdos_open("CON", file_mode[mode].mode);
1.1.1.11 root 9292: info = 0x80d3;
1.1.1.37! root 9293: } else if((sio_port = msdos_is_comm_path(path)) != 0) {
! 9294: fd = msdos_open("NUL", file_mode[mode].mode);
1.1.1.14 root 9295: info = 0x80d3;
1.1.1.37! root 9296: msdos_set_comm_params(sio_port, path);
! 9297: } else if((lpt_port = msdos_is_prn_path(path)) != 0) {
! 9298: fd = _open("NUL", file_mode[mode].mode);
! 9299: info = 0xa8c0;
1.1.1.29 root 9300: } else if(msdos_is_device_path(path)) {
1.1.1.20 root 9301: fd = msdos_open("NUL", file_mode[mode].mode);
9302: info = 0x80d3;
1.1.1.11 root 9303: } else {
1.1.1.13 root 9304: fd = msdos_open(path, file_mode[mode].mode);
1.1.1.11 root 9305: info = msdos_drive_number(path);
9306: }
1.1 root 9307: if(fd != -1) {
9308: REG16(AX) = fd;
1.1.1.37! root 9309: msdos_file_handler_open(fd, path, _isatty(fd), mode, info, current_psp, sio_port, lpt_port);
1.1.1.20 root 9310: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 9311: } else {
9312: REG16(AX) = errno;
1.1.1.3 root 9313: m_CF = 1;
1.1 root 9314: }
9315: } else {
9316: REG16(AX) = 0x0c;
1.1.1.3 root 9317: m_CF = 1;
1.1 root 9318: }
9319: }
9320:
9321: inline void msdos_int_21h_3eh()
9322: {
9323: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 9324: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 9325:
1.1.1.20 root 9326: if(fd < process->max_files && file_handler[fd].valid) {
9327: _close(fd);
9328: msdos_file_handler_close(fd);
9329: msdos_psp_set_file_table(REG16(BX), 0x0ff, current_psp);
1.1 root 9330: } else {
9331: REG16(AX) = 0x06;
1.1.1.3 root 9332: m_CF = 1;
1.1 root 9333: }
9334: }
9335:
1.1.1.35 root 9336: DWORD WINAPI msdos_int_21h_3fh_thread(LPVOID)
9337: {
9338: UINT8 *buf = mem + SREG_BASE(DS) + REG16(DX);
9339: int max = REG16(CX);
9340: int p = 0;
9341:
9342: while(max > p) {
9343: int chr = msdos_getch();
9344:
9345: if((ctrl_break_checking && ctrl_break_pressed) || ctrl_c_pressed) {
9346: p = 0;
9347: buf[p++] = 0x0d;
9348: if(max > p) {
9349: buf[p++] = 0x0a;
9350: }
9351: msdos_putch(0x03);
9352: msdos_putch(0x0d);
9353: msdos_putch(0x0a);
9354: break;
9355: } else if(ctrl_break_pressed) {
9356: // skip this byte
9357: } else if(chr == 0x00) {
9358: // skip 2nd byte
9359: msdos_getch();
9360: } else if(chr == 0x0d) {
9361: // carriage return
9362: buf[p++] = 0x0d;
9363: if(max > p) {
9364: buf[p++] = 0x0a;
9365: }
9366: msdos_putch('\n');
9367: break;
9368: } else if(chr == 0x08) {
9369: // back space
9370: if(p > 0) {
9371: p--;
9372: if(msdos_ctrl_code_check(buf[p])) {
9373: msdos_putch(0x08);
9374: msdos_putch(0x08);
9375: msdos_putch(0x20);
9376: msdos_putch(0x20);
9377: msdos_putch(0x08);
9378: msdos_putch(0x08);
1.1.1.36 root 9379: } else if(p > 0 && msdos_kanji_2nd_byte_check(buf, p)) {
9380: p--;
9381: msdos_putch(0x08);
9382: msdos_putch(0x08);
9383: msdos_putch(0x20);
9384: msdos_putch(0x20);
9385: msdos_putch(0x08);
9386: msdos_putch(0x08);
1.1.1.35 root 9387: } else {
9388: msdos_putch(0x08);
9389: msdos_putch(0x20);
9390: msdos_putch(0x08);
9391: }
9392: }
9393: } else if(chr == 0x1b) {
9394: // escape
9395: while(p > 0) {
9396: p--;
9397: if(msdos_ctrl_code_check(buf[p])) {
9398: msdos_putch(0x08);
9399: msdos_putch(0x08);
9400: msdos_putch(0x20);
9401: msdos_putch(0x20);
9402: msdos_putch(0x08);
9403: msdos_putch(0x08);
9404: } else {
9405: msdos_putch(0x08);
9406: msdos_putch(0x20);
9407: msdos_putch(0x08);
9408: }
9409: }
9410: } else {
9411: buf[p++] = chr;
9412: msdos_putch(chr);
9413: }
9414: }
9415: REG16(AX) = p;
9416:
9417: #ifdef USE_SERVICE_THREAD
9418: service_exit = true;
9419: #endif
9420: return(0);
9421: }
9422:
1.1 root 9423: inline void msdos_int_21h_3fh()
9424: {
9425: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 9426: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 9427:
1.1.1.20 root 9428: if(fd < process->max_files && file_handler[fd].valid) {
9429: if(file_mode[file_handler[fd].mode].in) {
9430: if(file_handler[fd].atty) {
1.1 root 9431: // BX is stdin or is redirected to stdin
1.1.1.35 root 9432: if(REG16(CX) != 0) {
9433: #ifdef USE_SERVICE_THREAD
9434: start_service_loop(msdos_int_21h_3fh_thread);
9435: #else
9436: msdos_int_21h_3fh_thread(NULL);
9437: REQUEST_HARDWRE_UPDATE();
9438: #endif
9439: } else {
9440: REG16(AX) = 0;
1.1 root 9441: }
9442: } else {
1.1.1.37! root 9443: REG16(AX) = msdos_read(fd, mem + SREG_BASE(DS) + REG16(DX), REG16(CX));
1.1 root 9444: }
9445: } else {
9446: REG16(AX) = 0x05;
1.1.1.3 root 9447: m_CF = 1;
1.1 root 9448: }
9449: } else {
9450: REG16(AX) = 0x06;
1.1.1.3 root 9451: m_CF = 1;
1.1 root 9452: }
9453: }
9454:
9455: inline void msdos_int_21h_40h()
9456: {
9457: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 9458: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 9459:
1.1.1.20 root 9460: if(fd < process->max_files && file_handler[fd].valid) {
9461: if(file_mode[file_handler[fd].mode].out) {
1.1 root 9462: if(REG16(CX)) {
1.1.1.20 root 9463: if(file_handler[fd].atty) {
1.1 root 9464: // BX is stdout/stderr or is redirected to stdout
9465: for(int i = 0; i < REG16(CX); i++) {
1.1.1.3 root 9466: msdos_putch(mem[SREG_BASE(DS) + REG16(DX) + i]);
1.1 root 9467: }
9468: REG16(AX) = REG16(CX);
9469: } else {
1.1.1.20 root 9470: REG16(AX) = msdos_write(fd, mem + SREG_BASE(DS) + REG16(DX), REG16(CX));
1.1 root 9471: }
9472: } else {
1.1.1.20 root 9473: UINT32 pos = _tell(fd);
9474: _lseek(fd, 0, SEEK_END);
9475: UINT32 size = _tell(fd);
1.1.1.12 root 9476: if(pos < size) {
1.1.1.20 root 9477: _lseek(fd, pos, SEEK_SET);
9478: SetEndOfFile((HANDLE)_get_osfhandle(fd));
1.1.1.12 root 9479: } else {
9480: for(UINT32 i = size; i < pos; i++) {
9481: UINT8 tmp = 0;
1.1.1.23 root 9482: msdos_write(fd, &tmp, 1);
1.1.1.12 root 9483: }
1.1.1.20 root 9484: _lseek(fd, pos, SEEK_SET);
1.1 root 9485: }
1.1.1.23 root 9486: REG16(AX) = 0;
1.1 root 9487: }
9488: } else {
9489: REG16(AX) = 0x05;
1.1.1.3 root 9490: m_CF = 1;
1.1 root 9491: }
9492: } else {
9493: REG16(AX) = 0x06;
1.1.1.3 root 9494: m_CF = 1;
1.1 root 9495: }
9496: }
9497:
9498: inline void msdos_int_21h_41h(int lfn)
9499: {
1.1.1.3 root 9500: if(remove(msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn))) {
1.1 root 9501: REG16(AX) = errno;
1.1.1.3 root 9502: m_CF = 1;
1.1 root 9503: }
9504: }
9505:
9506: inline void msdos_int_21h_42h()
9507: {
9508: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 9509: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 9510:
1.1.1.20 root 9511: if(fd < process->max_files && file_handler[fd].valid) {
1.1 root 9512: if(REG8(AL) < 0x03) {
1.1.1.35 root 9513: static const int ptrname[] = { SEEK_SET, SEEK_CUR, SEEK_END };
1.1.1.20 root 9514: _lseek(fd, (REG16(CX) << 16) | REG16(DX), ptrname[REG8(AL)]);
9515: UINT32 pos = _tell(fd);
1.1 root 9516: REG16(AX) = pos & 0xffff;
9517: REG16(DX) = (pos >> 16);
9518: } else {
9519: REG16(AX) = 0x01;
1.1.1.3 root 9520: m_CF = 1;
1.1 root 9521: }
9522: } else {
9523: REG16(AX) = 0x06;
1.1.1.3 root 9524: m_CF = 1;
1.1 root 9525: }
9526: }
9527:
9528: inline void msdos_int_21h_43h(int lfn)
9529: {
1.1.1.3 root 9530: char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn);
1.1 root 9531: int attr;
9532:
1.1.1.14 root 9533: if(!lfn && REG8(AL) > 2) {
9534: REG16(AX) = 0x01;
9535: m_CF = 1;
9536: return;
9537: }
9538: switch(REG8(lfn ? BL : AL)) {
1.1 root 9539: case 0x00:
9540: if((attr = GetFileAttributes(path)) != -1) {
1.1.1.14 root 9541: REG16(CX) = (UINT16)msdos_file_attribute_create((UINT16)attr);
9542: } else {
9543: REG16(AX) = (UINT16)GetLastError();
9544: m_CF = 1;
9545: }
9546: break;
9547: case 0x01:
9548: if(!SetFileAttributes(path, msdos_file_attribute_create(REG16(CX)))) {
9549: REG16(AX) = (UINT16)GetLastError();
9550: m_CF = 1;
9551: }
9552: break;
9553: case 0x02:
9554: {
9555: DWORD size = GetCompressedFileSize(path, NULL);
9556: if(size != INVALID_FILE_SIZE) {
9557: if(size != 0 && size == GetFileSize(path, NULL)) {
9558: DWORD sectors_per_cluster, bytes_per_sector, free_clusters, total_clusters;
9559: // this isn't correct if the file is in the NTFS MFT
9560: if(GetDiskFreeSpace(path, §ors_per_cluster, &bytes_per_sector, &free_clusters, &total_clusters)) {
9561: size = ((size - 1) | (sectors_per_cluster * bytes_per_sector - 1)) + 1;
9562: }
9563: }
9564: REG16(AX) = LOWORD(size);
9565: REG16(DX) = HIWORD(size);
9566: } else {
9567: REG16(AX) = (UINT16)GetLastError();
9568: m_CF = 1;
1.1 root 9569: }
1.1.1.14 root 9570: }
9571: break;
9572: case 0x03:
9573: case 0x05:
9574: case 0x07:
9575: {
9576: HANDLE hFile = CreateFile(path, FILE_WRITE_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
9577: if(hFile != INVALID_HANDLE_VALUE) {
9578: FILETIME local, time;
9579: DosDateTimeToFileTime(REG16(DI), /*REG8(BL) == 5 ? 0 : */REG16(CX), &local);
9580: if(REG8(BL) == 7) {
9581: ULARGE_INTEGER hund;
9582: hund.LowPart = local.dwLowDateTime;
9583: hund.HighPart = local.dwHighDateTime;
9584: hund.QuadPart += REG16(SI) * 100000;
9585: local.dwLowDateTime = hund.LowPart;
9586: local.dwHighDateTime = hund.HighPart;
9587: }
9588: LocalFileTimeToFileTime(&local, &time);
9589: if(!SetFileTime(hFile, REG8(BL) == 0x07 ? &time : NULL,
9590: REG8(BL) == 0x05 ? &time : NULL,
9591: REG8(BL) == 0x03 ? &time : NULL)) {
9592: REG16(AX) = (UINT16)GetLastError();
9593: m_CF = 1;
9594: }
9595: CloseHandle(hFile);
9596: } else {
9597: REG16(AX) = (UINT16)GetLastError();
9598: m_CF = 1;
1.1 root 9599: }
1.1.1.14 root 9600: }
9601: break;
9602: case 0x04:
9603: case 0x06:
9604: case 0x08:
9605: {
9606: WIN32_FILE_ATTRIBUTE_DATA fad;
9607: if(GetFileAttributesEx(path, GetFileExInfoStandard, (LPVOID)&fad)) {
9608: FILETIME *time, local;
9609: time = REG8(BL) == 0x04 ? &fad.ftLastWriteTime :
9610: 0x06 ? &fad.ftLastAccessTime :
9611: &fad.ftCreationTime;
9612: FileTimeToLocalFileTime(time, &local);
9613: FileTimeToDosDateTime(&local, ®16(DI), ®16(CX));
9614: if(REG8(BL) == 0x08) {
9615: ULARGE_INTEGER hund;
9616: hund.LowPart = local.dwLowDateTime;
9617: hund.HighPart = local.dwHighDateTime;
9618: hund.QuadPart /= 100000;
9619: REG16(SI) = (UINT16)(hund.QuadPart % 200);
9620: }
9621: } else {
9622: REG16(AX) = (UINT16)GetLastError();
9623: m_CF = 1;
1.1 root 9624: }
1.1.1.14 root 9625: }
9626: break;
9627: default:
1.1.1.22 root 9628: 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 9629: REG16(AX) = 0x01;
9630: m_CF = 1;
9631: break;
9632: }
9633: }
9634:
9635: inline void msdos_int_21h_44h()
9636: {
1.1.1.22 root 9637: static UINT16 iteration_count = 0;
9638:
1.1.1.20 root 9639: process_t *process = msdos_process_info_get(current_psp);
9640: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
9641:
1.1.1.14 root 9642: UINT32 val = DRIVE_NO_ROOT_DIR;
9643:
9644: switch(REG8(AL)) {
9645: case 0x00:
9646: case 0x01:
9647: case 0x02:
9648: case 0x03:
9649: case 0x04:
9650: case 0x05:
9651: case 0x06:
9652: case 0x07:
1.1.1.20 root 9653: if(fd >= process->max_files || !file_handler[fd].valid) {
9654: REG16(AX) = 0x06;
9655: m_CF = 1;
9656: return;
1.1.1.14 root 9657: }
9658: break;
9659: case 0x08:
9660: case 0x09:
9661: if(REG8(BL) >= ('Z' - 'A' + 1)) {
9662: // invalid drive number
9663: REG16(AX) = 0x0f;
9664: m_CF = 1;
9665: return;
9666: } else {
9667: if(REG8(BL) == 0) {
9668: val = GetDriveType(NULL);
9669: } else {
9670: char tmp[8];
9671: sprintf(tmp, "%c:\\", 'A' + REG8(BL) - 1);
9672: val = GetDriveType(tmp);
9673: }
9674: if(val == DRIVE_NO_ROOT_DIR) {
9675: // no drive
9676: REG16(AX) = 0x0f;
9677: m_CF = 1;
9678: return;
1.1 root 9679: }
9680: }
9681: break;
9682: }
9683: switch(REG8(AL)) {
9684: case 0x00: // get ioctrl data
1.1.1.20 root 9685: REG16(DX) = file_handler[fd].info;
1.1 root 9686: break;
9687: case 0x01: // set ioctrl data
1.1.1.20 root 9688: file_handler[fd].info |= REG8(DL);
1.1 root 9689: break;
9690: case 0x02: // recv from character device
9691: case 0x03: // send to character device
9692: case 0x04: // recv from block device
9693: case 0x05: // send to block device
9694: REG16(AX) = 0x05;
1.1.1.3 root 9695: m_CF = 1;
1.1 root 9696: break;
9697: case 0x06: // get read status
1.1.1.20 root 9698: if(file_mode[file_handler[fd].mode].in) {
9699: if(file_handler[fd].atty) {
1.1.1.14 root 9700: REG8(AL) = msdos_kbhit() ? 0xff : 0x00;
1.1 root 9701: } else {
1.1.1.20 root 9702: REG8(AL) = eof(fd) ? 0x00 : 0xff;
1.1 root 9703: }
1.1.1.14 root 9704: } else {
9705: REG8(AL) = 0x00;
1.1 root 9706: }
9707: break;
9708: case 0x07: // get write status
1.1.1.20 root 9709: if(file_mode[file_handler[fd].mode].out) {
1.1.1.14 root 9710: REG8(AL) = 0xff;
9711: } else {
9712: REG8(AL) = 0x00;
1.1 root 9713: }
9714: break;
9715: case 0x08: // check removable drive
1.1.1.14 root 9716: if(val == DRIVE_REMOVABLE || val == DRIVE_CDROM) {
9717: // removable drive
9718: REG16(AX) = 0x00;
1.1 root 9719: } else {
1.1.1.14 root 9720: // fixed drive
9721: REG16(AX) = 0x01;
1.1 root 9722: }
9723: break;
9724: case 0x09: // check remote drive
1.1.1.14 root 9725: if(val == DRIVE_REMOTE) {
9726: // remote drive
9727: REG16(DX) = 0x1000;
1.1 root 9728: } else {
1.1.1.14 root 9729: // local drive
9730: REG16(DX) = 0x00;
1.1 root 9731: }
9732: break;
1.1.1.21 root 9733: case 0x0a: // check remote handle
9734: REG16(DX) = 0x00; // FIXME
9735: break;
1.1 root 9736: case 0x0b: // set retry count
9737: break;
1.1.1.22 root 9738: case 0x0c: // generic character device request
9739: if(REG8(CL) == 0x45) {
9740: // set iteration (retry) count
9741: iteration_count = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX));
9742: } else if(REG8(CL) == 0x4a) {
9743: // select code page
9744: active_code_page = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2);
9745: msdos_nls_tables_update();
9746: } else if(REG8(CL) == 0x65) {
9747: // get iteration (retry) count
9748: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX)) = iteration_count;
9749: } else if(REG8(CL) == 0x6a) {
9750: // query selected code page
9751: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = 2; // FIXME
9752: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2) = active_code_page;
9753:
9754: CPINFO info;
9755: GetCPInfo(active_code_page, &info);
9756:
9757: if(info.MaxCharSize != 1) {
9758: for(int i = 0;; i++) {
9759: UINT8 lo = info.LeadByte[2 * i + 0];
9760: UINT8 hi = info.LeadByte[2 * i + 1];
9761:
9762: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 4 + 4 * i + 0) = lo;
9763: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 4 + 4 * i + 2) = hi;
9764: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) + 4;
9765:
9766: if(lo == 0 && hi == 0) {
9767: break;
9768: }
9769: }
9770: }
9771: } else if(REG8(CL) == 0x7f) {
9772: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x00) = 0;
9773: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x01) = 0;
9774: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x02) = 14;
9775: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x04) = 1;
9776: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x06) = 1;
9777: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x07) = 0;
9778: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x08) = 4;
9779: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0a) = 8 * (*(UINT16 *)(mem + 0x44a));
9780: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0c) = 16 * (*(UINT8 *)(mem + 0x484) + 1);
9781: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0e) = *(UINT16 *)(mem + 0x44a);
9782: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x10) = *(UINT8 *)(mem + 0x484) + 1;
9783: } else {
9784: 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));
9785: REG16(AX) = 0x01; // invalid function
9786: m_CF = 1;
9787: }
9788: break;
9789: case 0x0d: // generic block device request
9790: if(REG8(CL) == 0x40) {
9791: // set device parameters
9792: } else if(REG8(CL) == 0x46) {
9793: // set volume serial number
9794: } else if(REG8(CL) == 0x4a) {
9795: // lock logical volume
9796: } else if(REG8(CL) == 0x4b) {
9797: // lock physical volume
9798: } else if(REG8(CL) == 0x60) {
9799: // get device parameters
9800: char dev[] = "\\\\.\\A:";
9801: dev[4] = 'A' + (REG8(BL) ? REG8(BL) : _getdrive()) - 1;
9802:
9803: HANDLE hFile = CreateFile(dev, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
9804: if(hFile != INVALID_HANDLE_VALUE) {
9805: DISK_GEOMETRY geo;
9806: DWORD dwSize;
9807: if(DeviceIoControl(hFile, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0, &geo, sizeof(geo), &dwSize, NULL)) {
9808: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x07; // ???
9809: switch(geo.MediaType) {
9810: case F5_360_512:
9811: case F5_320_512:
9812: case F5_320_1024:
9813: case F5_180_512:
9814: case F5_160_512:
9815: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x00; // 320K/360K disk
9816: break;
9817: case F5_1Pt2_512:
9818: case F3_1Pt2_512:
9819: case F3_1Pt23_1024:
9820: case F5_1Pt23_1024:
9821: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x01; // 1.2M disk
9822: break;
9823: case F3_720_512:
9824: case F3_640_512:
9825: case F5_640_512:
9826: case F5_720_512:
9827: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x02; // 720K disk
9828: break;
9829: case F8_256_128:
9830: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x03; // single-density 8-inch disk
9831: break;
9832: case FixedMedia:
9833: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x05; // fixed disk
9834: break;
9835: case F3_1Pt44_512:
9836: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x07; // (DOS 3.3+) other type of block device, normally 1.44M floppy
9837: break;
9838: case F3_2Pt88_512:
9839: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x09; // (DOS 5+) 2.88M floppy
9840: break;
9841: default:
9842: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x05; // fixed disk
9843: // *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x05; // (DOS 3.3+) other type of block device, normally 1.44M floppy
9844: break;
9845: }
9846: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x02) = (geo.MediaType == FixedMedia) ? 0x01 : 0x00;
9847: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x04) = (geo.Cylinders.QuadPart > 0xffff) ? 0xffff : geo.Cylinders.QuadPart;
9848: switch(geo.MediaType) {
9849: case F5_360_512:
9850: case F5_320_512:
9851: case F5_320_1024:
9852: case F5_180_512:
9853: case F5_160_512:
9854: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x06) = 0x01; // 320K/360K disk
9855: break;
9856: default:
9857: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x06) = 0x00; // other drive types
9858: break;
9859: }
9860: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x00) = geo.BytesPerSector;
9861: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x02) = geo.SectorsPerTrack * geo.TracksPerCylinder;
9862: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x03) = 0;
9863: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x05) = 0;
9864: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x06) = 0;
9865: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x08) = 0;
9866: switch(geo.MediaType) {
9867: case F5_320_512: // floppy, double-sided, 8 sectors per track (320K)
9868: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xff;
9869: break;
9870: case F5_160_512: // floppy, single-sided, 8 sectors per track (160K)
9871: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xfe;
9872: break;
9873: case F5_360_512: // floppy, double-sided, 9 sectors per track (360K)
9874: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xfd;
9875: break;
9876: case F5_180_512: // floppy, single-sided, 9 sectors per track (180K)
9877: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xfc;
9878: break;
9879: case F5_1Pt2_512: // floppy, double-sided, 15 sectors per track (1.2M)
9880: case F3_720_512: // floppy, double-sided, 9 sectors per track (720K,3.5")
9881: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xf9;
9882: break;
9883: case FixedMedia: // hard disk
9884: case RemovableMedia:
9885: case Unknown:
9886: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xf8;
9887: break;
9888: default:
9889: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xf0;
9890: break;
9891: }
9892: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0d) = geo.SectorsPerTrack;
9893: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0f) = 1;
9894: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x11) = 0;
9895: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x15) = geo.TracksPerCylinder * geo.Cylinders.QuadPart;
9896: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x1f) = geo.Cylinders.QuadPart;
9897: // 21h BYTE device type
9898: // 22h WORD device attributes (removable or not, etc)
9899: } else {
9900: REG16(AX) = 0x0f; // invalid drive
9901: m_CF = 1;
9902: }
9903: CloseHandle(hFile);
9904: } else {
9905: REG16(AX) = 0x0f; // invalid drive
9906: m_CF = 1;
9907: }
9908: } else if(REG8(CL) == 0x66) {
9909: // get volume serial number
9910: char path[] = "A:\\";
9911: char volume_label[MAX_PATH];
9912: DWORD serial_number = 0;
9913: char file_system[MAX_PATH];
9914:
9915: path[0] = 'A' + (REG8(BL) ? REG8(BL) : _getdrive()) - 1;
9916:
9917: if(GetVolumeInformation(path, volume_label, MAX_PATH, &serial_number, NULL, NULL, file_system, MAX_PATH)) {
9918: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0;
9919: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x02) = serial_number;
9920: memset(mem + SREG_BASE(DS) + REG16(SI) + 0x06, 0x20, 11);
9921: memcpy(mem + SREG_BASE(DS) + REG16(SI) + 0x06, volume_label, min(strlen(volume_label), 11));
9922: memset(mem + SREG_BASE(DS) + REG16(SI) + 0x11, 0x20, 8);
9923: memcpy(mem + SREG_BASE(DS) + REG16(SI) + 0x11, file_system, min(strlen(file_system), 8));
9924: } else {
9925: REG16(AX) = 0x0f; // invalid drive
9926: m_CF = 1;
9927: }
9928: } else if(REG8(CL) == 0x67) {
9929: // get access flag
9930: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0;
9931: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 1;
9932: } else if(REG8(CL) == 0x68) {
9933: // sense media type
9934: char dev[64];
9935: sprintf(dev, "\\\\.\\%c:", 'A' + (REG8(BL) ? REG8(BL) : _getdrive()) - 1);
9936:
9937: HANDLE hFile = CreateFile(dev, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
9938: if(hFile != INVALID_HANDLE_VALUE) {
9939: DISK_GEOMETRY geo;
9940: DWORD dwSize;
9941: if(DeviceIoControl(hFile, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0, &geo, sizeof(geo), &dwSize, NULL)) {
9942: switch(geo.MediaType) {
9943: case F3_720_512:
9944: case F5_720_512:
9945: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x01;
9946: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x02;
9947: break;
9948: case F3_1Pt44_512:
9949: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x01;
9950: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x07;
9951: break;
9952: case F3_2Pt88_512:
9953: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x01;
9954: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x09;
9955: break;
9956: default:
9957: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x00;
9958: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x00; // ???
9959: break;
9960: }
9961: } else {
9962: REG16(AX) = 0x0f; // invalid drive
9963: m_CF = 1;
9964: }
9965: CloseHandle(hFile);
9966: } else {
9967: REG16(AX) = 0x0f; // invalid drive
9968: m_CF = 1;
9969: }
9970: } else if(REG8(CL) == 0x6a) {
9971: // unlock logical volume
9972: } else if(REG8(CL) == 0x6b) {
9973: // unlock physical volume
9974: } else {
9975: 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));
9976: REG16(AX) = 0x01; // invalid function
9977: m_CF = 1;
9978: }
9979: break;
9980: case 0x0e: // get logical drive map
9981: {
9982: DWORD bits = 1 << ((REG8(BL) ? REG8(BL) : _getdrive()) - 1);
9983: if(!(GetLogicalDrives() & bits)) {
9984: REG16(AX) = 0x0f; // invalid drive
9985: m_CF = 1;
9986: } else {
9987: REG8(AL) = 0;
9988: }
9989: }
9990: break;
9991: case 0x0f: // set logical drive map
9992: {
9993: DWORD bits = 1 << ((REG8(BL) ? REG8(BL) : _getdrive()) - 1);
9994: if(!(GetLogicalDrives() & bits)) {
9995: REG16(AX) = 0x0f; // invalid drive
9996: m_CF = 1;
9997: }
9998: }
9999: break;
10000: case 0x10: // query generic ioctrl capability (handle)
10001: switch(REG8(CL)) {
10002: case 0x45:
10003: case 0x4a:
10004: case 0x65:
10005: case 0x6a:
10006: case 0x7f:
10007: REG16(AX) = 0x0000; // supported
10008: break;
10009: default:
10010: REG8(AL) = 0x01; // ioctl capability not available
10011: m_CF = 1;
10012: break;
10013: }
10014: break;
10015: case 0x11: // query generic ioctrl capability (drive)
10016: switch(REG8(CL)) {
10017: case 0x40:
10018: case 0x46:
10019: case 0x4a:
10020: case 0x4b:
10021: case 0x60:
10022: case 0x66:
10023: case 0x67:
10024: case 0x68:
10025: case 0x6a:
10026: case 0x6b:
10027: REG16(AX) = 0x0000; // supported
10028: break;
10029: default:
10030: REG8(AL) = 0x01; // ioctl capability not available
10031: m_CF = 1;
10032: break;
10033: }
10034: break;
10035: case 0x12: // determine dos type
10036: case 0x51: // concurrent dos v3.2+ - installation check
10037: case 0x52: // determine dos type/get dr dos versuin
10038: REG16(AX) = 0x01; // this is not DR-DOS
10039: m_CF = 1;
10040: break;
1.1 root 10041: default:
1.1.1.22 root 10042: 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 10043: REG16(AX) = 0x01;
1.1.1.3 root 10044: m_CF = 1;
1.1 root 10045: break;
10046: }
10047: }
10048:
10049: inline void msdos_int_21h_45h()
10050: {
10051: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 10052: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 10053:
1.1.1.20 root 10054: if(fd < process->max_files && file_handler[fd].valid) {
10055: int dup_fd = _dup(fd);
10056: if(dup_fd != -1) {
10057: REG16(AX) = dup_fd;
10058: msdos_file_handler_dup(dup_fd, fd, current_psp);
10059: // msdos_psp_set_file_table(dup_fd, fd, current_psp);
10060: msdos_psp_set_file_table(dup_fd, dup_fd, current_psp);
1.1 root 10061: } else {
10062: REG16(AX) = errno;
1.1.1.3 root 10063: m_CF = 1;
1.1 root 10064: }
10065: } else {
10066: REG16(AX) = 0x06;
1.1.1.3 root 10067: m_CF = 1;
1.1 root 10068: }
10069: }
10070:
10071: inline void msdos_int_21h_46h()
10072: {
10073: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 10074: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
10075: int dup_fd = REG16(CX);
10076: int tmp_fd = msdos_psp_get_file_table(REG16(CX), current_psp);
1.1 root 10077:
1.1.1.20 root 10078: if(REG16(BX) == REG16(CX)) {
10079: REG16(AX) = 0x06;
10080: m_CF = 1;
10081: } else if(fd < process->max_files && file_handler[fd].valid && dup_fd < process->max_files) {
10082: if(tmp_fd < process->max_files && file_handler[tmp_fd].valid) {
10083: _close(tmp_fd);
10084: msdos_file_handler_close(tmp_fd);
10085: msdos_psp_set_file_table(dup_fd, 0x0ff, current_psp);
10086: }
10087: if(_dup2(fd, dup_fd) != -1) {
10088: msdos_file_handler_dup(dup_fd, fd, current_psp);
10089: // msdos_psp_set_file_table(dup_fd, fd, current_psp);
10090: msdos_psp_set_file_table(dup_fd, dup_fd, current_psp);
1.1 root 10091: } else {
10092: REG16(AX) = errno;
1.1.1.3 root 10093: m_CF = 1;
1.1 root 10094: }
10095: } else {
10096: REG16(AX) = 0x06;
1.1.1.3 root 10097: m_CF = 1;
1.1 root 10098: }
10099: }
10100:
10101: inline void msdos_int_21h_47h(int lfn)
10102: {
10103: char path[MAX_PATH];
10104:
10105: if(_getdcwd(REG8(DL), path, MAX_PATH) != NULL) {
10106: if(path[1] == ':') {
10107: // the returned path does not include a drive or the initial backslash
1.1.1.3 root 10108: strcpy((char *)(mem + SREG_BASE(DS) + REG16(SI)), (lfn ? path : msdos_short_path(path)) + 3);
1.1 root 10109: } else {
1.1.1.3 root 10110: strcpy((char *)(mem + SREG_BASE(DS) + REG16(SI)), lfn ? path : msdos_short_path(path));
1.1 root 10111: }
10112: } else {
10113: REG16(AX) = errno;
1.1.1.3 root 10114: m_CF = 1;
1.1 root 10115: }
10116: }
10117:
10118: inline void msdos_int_21h_48h()
10119: {
1.1.1.19 root 10120: int seg, umb_linked;
1.1 root 10121:
1.1.1.8 root 10122: if((malloc_strategy & 0xf0) == 0x00) {
1.1.1.19 root 10123: // unlink umb not to allocate memory in umb
10124: if((umb_linked = msdos_mem_get_umb_linked()) != 0) {
10125: msdos_mem_unlink_umb();
10126: }
1.1.1.8 root 10127: if((seg = msdos_mem_alloc(first_mcb, REG16(BX), 0)) != -1) {
10128: REG16(AX) = seg;
10129: } else {
10130: REG16(AX) = 0x08;
10131: REG16(BX) = msdos_mem_get_free(first_mcb, 0);
10132: m_CF = 1;
10133: }
1.1.1.19 root 10134: if(umb_linked != 0) {
10135: msdos_mem_link_umb();
10136: }
1.1.1.8 root 10137: } else if((malloc_strategy & 0xf0) == 0x40) {
10138: if((seg = msdos_mem_alloc(UMB_TOP >> 4, REG16(BX), 0)) != -1) {
10139: REG16(AX) = seg;
10140: } else {
10141: REG16(AX) = 0x08;
10142: REG16(BX) = msdos_mem_get_free(UMB_TOP >> 4, 0);
10143: m_CF = 1;
10144: }
10145: } else if((malloc_strategy & 0xf0) == 0x80) {
10146: if((seg = msdos_mem_alloc(UMB_TOP >> 4, REG16(BX), 0)) != -1) {
10147: REG16(AX) = seg;
10148: } else if((seg = msdos_mem_alloc(first_mcb, REG16(BX), 0)) != -1) {
10149: REG16(AX) = seg;
10150: } else {
10151: REG16(AX) = 0x08;
10152: REG16(BX) = max(msdos_mem_get_free(UMB_TOP >> 4, 0), msdos_mem_get_free(first_mcb, 0));
10153: m_CF = 1;
10154: }
1.1 root 10155: }
10156: }
10157:
10158: inline void msdos_int_21h_49h()
10159: {
1.1.1.14 root 10160: int mcb_seg = SREG(ES) - 1;
10161: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
10162:
10163: if(mcb->mz == 'M' || mcb->mz == 'Z') {
10164: msdos_mem_free(SREG(ES));
10165: } else {
1.1.1.33 root 10166: REG16(AX) = 0x09; // illegal memory block address
1.1.1.14 root 10167: m_CF = 1;
10168: }
1.1 root 10169: }
10170:
10171: inline void msdos_int_21h_4ah()
10172: {
1.1.1.14 root 10173: int mcb_seg = SREG(ES) - 1;
10174: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1 root 10175: int max_paragraphs;
10176:
1.1.1.14 root 10177: if(mcb->mz == 'M' || mcb->mz == 'Z') {
10178: if(msdos_mem_realloc(SREG(ES), REG16(BX), &max_paragraphs)) {
10179: REG16(AX) = 0x08;
10180: REG16(BX) = max_paragraphs > 0x7fff && limit_max_memory ? 0x7fff : max_paragraphs;
10181: m_CF = 1;
10182: }
10183: } else {
1.1.1.33 root 10184: REG16(AX) = 0x09; // illegal memory block address
1.1.1.3 root 10185: m_CF = 1;
1.1 root 10186: }
10187: }
10188:
10189: inline void msdos_int_21h_4bh()
10190: {
1.1.1.3 root 10191: char *command = (char *)(mem + SREG_BASE(DS) + REG16(DX));
10192: param_block_t *param = (param_block_t *)(mem + SREG_BASE(ES) + REG16(BX));
1.1 root 10193:
10194: switch(REG8(AL)) {
10195: case 0x00:
10196: case 0x01:
10197: if(msdos_process_exec(command, param, REG8(AL))) {
10198: REG16(AX) = 0x02;
1.1.1.3 root 10199: m_CF = 1;
1.1 root 10200: }
10201: break;
1.1.1.14 root 10202: case 0x03:
10203: {
10204: int fd;
10205: if((fd = _open(command, _O_RDONLY | _O_BINARY)) == -1) {
10206: REG16(AX) = 0x02;
10207: m_CF = 1;
10208: break;
10209: }
10210: int size = _read(fd, file_buffer, sizeof(file_buffer));
10211: _close(fd);
10212:
10213: UINT16 *overlay = (UINT16 *)param;
10214:
10215: // check exe header
10216: exe_header_t *header = (exe_header_t *)file_buffer;
10217: int header_size = 0;
10218: if(header->mz == 0x4d5a || header->mz == 0x5a4d) {
10219: header_size = header->header_size * 16;
10220: // relocation
10221: int start_seg = overlay[1];
10222: for(int i = 0; i < header->relocations; i++) {
10223: int ofs = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 0);
10224: int seg = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 2);
10225: *(UINT16 *)(file_buffer + header_size + (seg << 4) + ofs) += start_seg;
10226: }
10227: }
10228: memcpy(mem + (overlay[0] << 4), file_buffer + header_size, size - header_size);
10229: }
10230: break;
1.1 root 10231: default:
1.1.1.22 root 10232: 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 10233: REG16(AX) = 0x01;
1.1.1.3 root 10234: m_CF = 1;
1.1 root 10235: break;
10236: }
10237: }
10238:
10239: inline void msdos_int_21h_4ch()
10240: {
10241: msdos_process_terminate(current_psp, REG8(AL), 1);
10242: }
10243:
10244: inline void msdos_int_21h_4dh()
10245: {
10246: REG16(AX) = retval;
10247: }
10248:
10249: inline void msdos_int_21h_4eh()
10250: {
10251: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 10252: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
10253: find_t *find = (find_t *)(mem + dta_laddr);
1.1.1.3 root 10254: char *path = msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 10255: WIN32_FIND_DATA fd;
10256:
1.1.1.14 root 10257: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, LFN_DTA_LADDR);
10258: find->find_magic = FIND_MAGIC;
10259: find->dta_index = dtainfo - dtalist;
1.1 root 10260: strcpy(process->volume_label, msdos_volume_label(path));
1.1.1.14 root 10261: dtainfo->allowable_mask = REG8(CL);
10262: bool label_only = (dtainfo->allowable_mask == 8);
1.1 root 10263:
1.1.1.14 root 10264: if((dtainfo->allowable_mask & 8) && !msdos_match_volume_label(path, msdos_short_volume_label(process->volume_label))) {
10265: dtainfo->allowable_mask &= ~8;
1.1 root 10266: }
1.1.1.14 root 10267: if(!label_only && (dtainfo->find_handle = FindFirstFile(path, &fd)) != INVALID_HANDLE_VALUE) {
10268: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 10269: !msdos_find_file_has_8dot3name(&fd)) {
10270: if(!FindNextFile(dtainfo->find_handle, &fd)) {
10271: FindClose(dtainfo->find_handle);
10272: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 10273: break;
10274: }
10275: }
10276: }
1.1.1.13 root 10277: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 10278: find->attrib = (UINT8)(fd.dwFileAttributes & 0x3f);
10279: msdos_find_file_conv_local_time(&fd);
10280: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->date, &find->time);
10281: find->size = fd.nFileSizeLow;
1.1.1.13 root 10282: strcpy(find->name, msdos_short_name(&fd));
1.1 root 10283: REG16(AX) = 0;
1.1.1.14 root 10284: } else if(dtainfo->allowable_mask & 8) {
1.1 root 10285: find->attrib = 8;
10286: find->size = 0;
10287: strcpy(find->name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 10288: dtainfo->allowable_mask &= ~8;
1.1 root 10289: REG16(AX) = 0;
10290: } else {
10291: REG16(AX) = 0x12; // NOTE: return 0x02 if file path is invalid
1.1.1.3 root 10292: m_CF = 1;
1.1 root 10293: }
10294: }
10295:
10296: inline void msdos_int_21h_4fh()
10297: {
10298: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 10299: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
10300: find_t *find = (find_t *)(mem + dta_laddr);
1.1 root 10301: WIN32_FIND_DATA fd;
10302:
1.1.1.14 root 10303: if(find->find_magic != FIND_MAGIC || find->dta_index >= MAX_DTAINFO) {
10304: REG16(AX) = 0x12;
10305: m_CF = 1;
10306: return;
10307: }
10308: dtainfo_t *dtainfo = &dtalist[find->dta_index];
1.1.1.13 root 10309: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
10310: if(FindNextFile(dtainfo->find_handle, &fd)) {
1.1.1.14 root 10311: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 10312: !msdos_find_file_has_8dot3name(&fd)) {
10313: if(!FindNextFile(dtainfo->find_handle, &fd)) {
10314: FindClose(dtainfo->find_handle);
10315: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 10316: break;
10317: }
10318: }
10319: } else {
1.1.1.13 root 10320: FindClose(dtainfo->find_handle);
10321: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 10322: }
10323: }
1.1.1.13 root 10324: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 10325: find->attrib = (UINT8)(fd.dwFileAttributes & 0x3f);
10326: msdos_find_file_conv_local_time(&fd);
10327: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->date, &find->time);
10328: find->size = fd.nFileSizeLow;
1.1.1.13 root 10329: strcpy(find->name, msdos_short_name(&fd));
1.1 root 10330: REG16(AX) = 0;
1.1.1.14 root 10331: } else if(dtainfo->allowable_mask & 8) {
1.1 root 10332: find->attrib = 8;
10333: find->size = 0;
10334: strcpy(find->name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 10335: dtainfo->allowable_mask &= ~8;
1.1 root 10336: REG16(AX) = 0;
10337: } else {
10338: REG16(AX) = 0x12;
1.1.1.3 root 10339: m_CF = 1;
1.1 root 10340: }
10341: }
10342:
10343: inline void msdos_int_21h_50h()
10344: {
1.1.1.8 root 10345: if(current_psp != REG16(BX)) {
10346: process_t *process = msdos_process_info_get(current_psp);
10347: if(process != NULL) {
10348: process->psp = REG16(BX);
10349: }
10350: current_psp = REG16(BX);
1.1.1.23 root 10351: msdos_sda_update(current_psp);
1.1.1.8 root 10352: }
1.1 root 10353: }
10354:
10355: inline void msdos_int_21h_51h()
10356: {
10357: REG16(BX) = current_psp;
10358: }
10359:
10360: inline void msdos_int_21h_52h()
10361: {
1.1.1.25 root 10362: SREG(ES) = DOS_INFO_TOP >> 4;
1.1.1.3 root 10363: i386_load_segment_descriptor(ES);
1.1.1.25 root 10364: REG16(BX) = offsetof(dos_info_t, first_dpb);
1.1 root 10365: }
10366:
10367: inline void msdos_int_21h_54h()
10368: {
10369: process_t *process = msdos_process_info_get(current_psp);
10370:
10371: REG8(AL) = process->verify;
10372: }
10373:
10374: inline void msdos_int_21h_55h()
10375: {
10376: psp_t *psp = (psp_t *)(mem + (REG16(DX) << 4));
10377:
10378: memcpy(mem + (REG16(DX) << 4), mem + (current_psp << 4), sizeof(psp_t));
10379: psp->int_22h.dw = *(UINT32 *)(mem + 4 * 0x22);
10380: psp->int_23h.dw = *(UINT32 *)(mem + 4 * 0x23);
10381: psp->int_24h.dw = *(UINT32 *)(mem + 4 * 0x24);
10382: psp->parent_psp = current_psp;
10383: }
10384:
10385: inline void msdos_int_21h_56h(int lfn)
10386: {
10387: char src[MAX_PATH], dst[MAX_PATH];
1.1.1.3 root 10388: strcpy(src, msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn));
10389: strcpy(dst, msdos_trimmed_path((char *)(mem + SREG_BASE(ES) + REG16(DI)), lfn));
1.1 root 10390:
10391: if(rename(src, dst)) {
10392: REG16(AX) = errno;
1.1.1.3 root 10393: m_CF = 1;
1.1 root 10394: }
10395: }
10396:
10397: inline void msdos_int_21h_57h()
10398: {
10399: FILETIME time, local;
1.1.1.14 root 10400: FILETIME *ctime, *atime, *mtime;
1.1.1.21 root 10401: HANDLE hHandle;
1.1 root 10402:
1.1.1.21 root 10403: if((hHandle = (HANDLE)_get_osfhandle(REG16(BX))) == INVALID_HANDLE_VALUE) {
1.1.1.14 root 10404: REG16(AX) = (UINT16)GetLastError();
10405: m_CF = 1;
10406: return;
10407: }
10408: ctime = atime = mtime = NULL;
10409:
1.1 root 10410: switch(REG8(AL)) {
10411: case 0x00:
1.1.1.6 root 10412: case 0x01:
1.1.1.14 root 10413: mtime = &time;
1.1.1.6 root 10414: break;
10415: case 0x04:
10416: case 0x05:
1.1.1.14 root 10417: atime = &time;
1.1 root 10418: break;
1.1.1.6 root 10419: case 0x06:
10420: case 0x07:
1.1.1.14 root 10421: ctime = &time;
10422: break;
10423: default:
1.1.1.22 root 10424: 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 10425: REG16(AX) = 0x01;
10426: m_CF = 1;
10427: return;
10428: }
10429: if(REG8(AL) & 1) {
1.1 root 10430: DosDateTimeToFileTime(REG16(DX), REG16(CX), &local);
10431: LocalFileTimeToFileTime(&local, &time);
1.1.1.21 root 10432: if(!SetFileTime(hHandle, ctime, atime, mtime)) {
1.1 root 10433: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 10434: m_CF = 1;
1.1 root 10435: }
1.1.1.14 root 10436: } else {
1.1.1.21 root 10437: if(!GetFileTime(hHandle, ctime, atime, mtime)) {
1.1.1.14 root 10438: // assume a device and use the current time
10439: GetSystemTimeAsFileTime(&time);
10440: }
10441: FileTimeToLocalFileTime(&time, &local);
10442: FileTimeToDosDateTime(&local, ®16(DX), ®16(CX));
1.1 root 10443: }
10444: }
10445:
10446: inline void msdos_int_21h_58h()
10447: {
10448: switch(REG8(AL)) {
10449: case 0x00:
1.1.1.7 root 10450: REG16(AX) = malloc_strategy;
10451: break;
10452: case 0x01:
1.1.1.24 root 10453: // switch(REG16(BX)) {
10454: switch(REG8(BL)) {
1.1.1.7 root 10455: case 0x0000:
10456: case 0x0001:
10457: case 0x0002:
10458: case 0x0040:
10459: case 0x0041:
10460: case 0x0042:
10461: case 0x0080:
10462: case 0x0081:
10463: case 0x0082:
10464: malloc_strategy = REG16(BX);
1.1.1.23 root 10465: msdos_sda_update(current_psp);
1.1.1.7 root 10466: break;
10467: default:
1.1.1.22 root 10468: 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 10469: REG16(AX) = 0x01;
10470: m_CF = 1;
10471: break;
10472: }
10473: break;
10474: case 0x02:
1.1.1.19 root 10475: REG8(AL) = msdos_mem_get_umb_linked() ? 1 : 0;
1.1.1.7 root 10476: break;
10477: case 0x03:
1.1.1.24 root 10478: // switch(REG16(BX)) {
10479: switch(REG8(BL)) {
1.1.1.7 root 10480: case 0x0000:
1.1.1.19 root 10481: msdos_mem_unlink_umb();
10482: break;
1.1.1.7 root 10483: case 0x0001:
1.1.1.19 root 10484: msdos_mem_link_umb();
1.1.1.7 root 10485: break;
10486: default:
1.1.1.22 root 10487: 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 10488: REG16(AX) = 0x01;
10489: m_CF = 1;
10490: break;
10491: }
1.1 root 10492: break;
10493: default:
1.1.1.22 root 10494: 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 10495: REG16(AX) = 0x01;
1.1.1.3 root 10496: m_CF = 1;
1.1 root 10497: break;
10498: }
10499: }
10500:
10501: inline void msdos_int_21h_59h()
10502: {
1.1.1.23 root 10503: sda_t *sda = (sda_t *)(mem + SDA_TOP);
10504:
10505: REG16(AX) = sda->extended_error_code;
10506: REG8(BH) = sda->error_class;
10507: REG8(BL) = sda->suggested_action;
10508: REG8(CH) = sda->locus_of_last_error;
1.1 root 10509: }
10510:
10511: inline void msdos_int_21h_5ah()
10512: {
1.1.1.3 root 10513: char *path = (char *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 10514: int len = strlen(path);
10515: char tmp[MAX_PATH];
10516:
10517: if(GetTempFileName(path, "TMP", 0, tmp)) {
10518: int fd = _open(tmp, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
10519:
10520: SetFileAttributes(tmp, msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY);
10521: REG16(AX) = fd;
10522: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_drive_number(path), current_psp);
1.1.1.20 root 10523: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 10524:
10525: strcpy(path, tmp);
10526: int dx = REG16(DX) + len;
1.1.1.3 root 10527: int ds = SREG(DS);
1.1 root 10528: while(dx > 0xffff) {
10529: dx -= 0x10;
10530: ds++;
10531: }
10532: REG16(DX) = dx;
1.1.1.3 root 10533: SREG(DS) = ds;
10534: i386_load_segment_descriptor(DS);
1.1 root 10535: } else {
10536: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 10537: m_CF = 1;
1.1 root 10538: }
10539: }
10540:
10541: inline void msdos_int_21h_5bh()
10542: {
1.1.1.3 root 10543: char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 10544:
1.1.1.24 root 10545: if(msdos_is_existing_file(path)) {
1.1 root 10546: // already exists
10547: REG16(AX) = 0x50;
1.1.1.3 root 10548: m_CF = 1;
1.1 root 10549: } else {
10550: int fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
10551:
10552: if(fd != -1) {
10553: SetFileAttributes(path, msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY);
10554: REG16(AX) = fd;
10555: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_drive_number(path), current_psp);
1.1.1.20 root 10556: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 10557: } else {
10558: REG16(AX) = errno;
1.1.1.3 root 10559: m_CF = 1;
1.1 root 10560: }
10561: }
10562: }
10563:
10564: inline void msdos_int_21h_5ch()
10565: {
10566: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 10567: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 10568:
1.1.1.20 root 10569: if(fd < process->max_files && file_handler[fd].valid) {
1.1 root 10570: if(REG8(AL) == 0 || REG8(AL) == 1) {
1.1.1.35 root 10571: static const int modes[2] = {_LK_LOCK, _LK_UNLCK};
1.1.1.20 root 10572: UINT32 pos = _tell(fd);
10573: _lseek(fd, (REG16(CX) << 16) | REG16(DX), SEEK_SET);
10574: if(_locking(fd, modes[REG8(AL)], (REG16(SI) << 16) | REG16(DI))) {
1.1 root 10575: REG16(AX) = errno;
1.1.1.3 root 10576: m_CF = 1;
1.1 root 10577: }
1.1.1.20 root 10578: _lseek(fd, pos, SEEK_SET);
1.1.1.26 root 10579:
1.1 root 10580: // some seconds may be passed in _locking()
1.1.1.35 root 10581: REQUEST_HARDWRE_UPDATE();
1.1 root 10582: } else {
10583: REG16(AX) = 0x01;
1.1.1.3 root 10584: m_CF = 1;
1.1 root 10585: }
10586: } else {
10587: REG16(AX) = 0x06;
1.1.1.3 root 10588: m_CF = 1;
1.1 root 10589: }
10590: }
10591:
1.1.1.22 root 10592: inline void msdos_int_21h_5dh()
10593: {
10594: switch(REG8(AL)) {
10595: case 0x06: // get address of dos swappable data area
1.1.1.23 root 10596: SREG(DS) = (SDA_TOP >> 4);
10597: i386_load_segment_descriptor(DS);
10598: REG16(SI) = offsetof(sda_t, crit_error_flag);
10599: REG16(CX) = 0x80;
10600: REG16(DX) = 0x1a;
10601: break;
10602: case 0x0b: // get dos swappable data areas
1.1.1.22 root 10603: REG16(AX) = 0x01;
10604: m_CF = 1;
10605: break;
10606: case 0x08: // set redirected printer mode
10607: case 0x09: // flush redirected printer output
10608: case 0x0a: // set extended error information
10609: break;
10610: default:
10611: 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));
10612: REG16(AX) = 0x01;
10613: m_CF = 1;
10614: break;
10615: }
10616: }
10617:
1.1.1.30 root 10618: inline void msdos_int_21h_5fh()
10619: {
10620: switch(REG8(AL)) {
10621: case 0x02:
10622: {
10623: DWORD drives = GetLogicalDrives();
10624: for(int i = 0, index = 0; i < 26; i++) {
10625: if(drives & (1 << i)) {
10626: char volume[] = "A:\\";
10627: volume[0] = 'A' + i;
10628: if(GetDriveType(volume) == DRIVE_REMOTE) {
10629: if(index == REG16(BX)) {
10630: DWORD dwSize = 128;
10631: volume[2] = '\0';
10632: strcpy((char *)(mem + SREG_BASE(DS) + REG16(SI)), volume);
10633: WNetGetConnection(volume, (char *)(mem + SREG_BASE(ES) + REG16(DI)), &dwSize);
10634: REG8(BH) = 0x00; // valid
10635: REG8(BL) = 0x04; // disk drive
10636: REG16(CX) = 0x00;
10637: return;
10638: }
10639: index++;
10640: }
10641: }
10642: }
10643: }
10644: REG16(AX) = 0x12; // no more files
10645: m_CF = 1;
10646: break;
10647: default:
10648: 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));
10649: REG16(AX) = 0x01;
10650: m_CF = 1;
10651: break;
10652: }
10653: }
10654:
1.1 root 10655: inline void msdos_int_21h_60h(int lfn)
10656: {
1.1.1.14 root 10657: char full[MAX_PATH], *path;
10658:
1.1 root 10659: if(lfn) {
1.1.1.14 root 10660: char *name;
10661: *full = '\0';
1.1.1.3 root 10662: GetFullPathName((char *)(mem + SREG_BASE(DS) + REG16(SI)), MAX_PATH, full, &name);
1.1.1.14 root 10663: switch(REG8(CL)) {
10664: case 1:
10665: GetShortPathName(full, full, MAX_PATH);
10666: my_strupr(full);
10667: break;
10668: case 2:
10669: GetLongPathName(full, full, MAX_PATH);
10670: break;
10671: }
10672: path = full;
10673: } else {
10674: path = msdos_short_full_path((char *)(mem + SREG_BASE(DS) + REG16(SI)));
10675: }
10676: if(*path != '\0') {
10677: strcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), path);
1.1 root 10678: } else {
1.1.1.14 root 10679: REG16(AX) = (UINT16)GetLastError();
10680: m_CF = 1;
1.1 root 10681: }
10682: }
10683:
10684: inline void msdos_int_21h_61h()
10685: {
10686: REG8(AL) = 0;
10687: }
10688:
10689: inline void msdos_int_21h_62h()
10690: {
10691: REG16(BX) = current_psp;
10692: }
10693:
10694: inline void msdos_int_21h_63h()
10695: {
10696: switch(REG8(AL)) {
10697: case 0x00:
1.1.1.3 root 10698: SREG(DS) = (DBCS_TABLE >> 4);
10699: i386_load_segment_descriptor(DS);
1.1 root 10700: REG16(SI) = (DBCS_TABLE & 0x0f);
10701: REG8(AL) = 0x00;
10702: break;
1.1.1.22 root 10703: case 0x01: // set korean input mode
10704: case 0x02: // get korean input mode
10705: REG8(AL) = 0xff; // not supported
10706: break;
1.1 root 10707: default:
1.1.1.22 root 10708: 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 10709: REG16(AX) = 0x01;
1.1.1.3 root 10710: m_CF = 1;
1.1 root 10711: break;
10712: }
10713: }
10714:
1.1.1.25 root 10715: UINT16 get_extended_country_info(UINT8 func)
1.1 root 10716: {
1.1.1.25 root 10717: switch(func) {
1.1.1.17 root 10718: case 0x01:
10719: if(REG16(CX) >= 5) {
1.1.1.19 root 10720: UINT8 data[1 + 2 + 2 + 2 + sizeof(country_info_t)];
1.1.1.17 root 10721: if(REG16(CX) > sizeof(data)) // cx = actual transfer size
10722: REG16(CX) = sizeof(data);
10723: ZeroMemory(data, sizeof(data));
10724: data[0] = 0x01;
10725: *(UINT16 *)(data + 1) = REG16(CX) - 3;
1.1.1.19 root 10726: *(UINT16 *)(data + 3) = get_country_info((country_info_t*)(data + 7));
1.1.1.17 root 10727: *(UINT16 *)(data + 5) = active_code_page;
10728: memcpy(mem + SREG_BASE(ES) + REG16(DI), data, REG16(CX));
1.1.1.25 root 10729: // REG16(AX) = active_code_page;
1.1.1.17 root 10730: } else {
1.1.1.25 root 10731: return(0x08); // insufficient memory
1.1.1.17 root 10732: }
10733: break;
10734: case 0x02:
10735: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x02;
10736: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (UPPERTABLE_TOP & 0x0f);
10737: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (UPPERTABLE_TOP >> 4);
1.1.1.25 root 10738: // REG16(AX) = active_code_page;
1.1.1.17 root 10739: REG16(CX) = 0x05;
10740: break;
1.1.1.23 root 10741: case 0x03:
10742: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x02;
10743: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (LOWERTABLE_TOP & 0x0f);
10744: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (LOWERTABLE_TOP >> 4);
1.1.1.25 root 10745: // REG16(AX) = active_code_page;
1.1.1.23 root 10746: REG16(CX) = 0x05;
10747: break;
1.1.1.17 root 10748: case 0x04:
10749: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x04;
10750: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (FILENAME_UPPERTABLE_TOP & 0x0f);
10751: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (FILENAME_UPPERTABLE_TOP >> 4);
1.1.1.25 root 10752: // REG16(AX) = active_code_page;
1.1.1.17 root 10753: REG16(CX) = 0x05;
10754: break;
10755: case 0x05:
10756: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x05;
10757: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (FILENAME_TERMINATOR_TOP & 0x0f);
10758: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (FILENAME_TERMINATOR_TOP >> 4);
1.1.1.25 root 10759: // REG16(AX) = active_code_page;
1.1.1.17 root 10760: REG16(CX) = 0x05;
10761: break;
10762: case 0x06:
10763: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x06;
10764: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (COLLATING_TABLE_TOP & 0x0f);
10765: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (COLLATING_TABLE_TOP >> 4);
1.1.1.25 root 10766: // REG16(AX) = active_code_page;
1.1.1.17 root 10767: REG16(CX) = 0x05;
10768: break;
1.1 root 10769: case 0x07:
1.1.1.3 root 10770: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x07;
10771: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (DBCS_TOP & 0x0f);
10772: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (DBCS_TOP >> 4);
1.1.1.25 root 10773: // REG16(AX) = active_code_page;
1.1 root 10774: REG16(CX) = 0x05;
10775: break;
1.1.1.25 root 10776: default:
10777: return(0x01); // function number invalid
10778: }
10779: return(0x00);
10780: }
10781:
10782: inline void msdos_int_21h_65h()
10783: {
10784: char tmp[0x10000];
10785:
10786: switch(REG8(AL)) {
10787: case 0x01:
10788: case 0x02:
10789: case 0x03:
10790: case 0x04:
10791: case 0x05:
10792: case 0x06:
10793: case 0x07:
10794: {
10795: UINT16 result = get_extended_country_info(REG8(AL));
10796: if(result) {
10797: REG16(AX) = result;
10798: m_CF = 1;
10799: } else {
10800: REG16(AX) = active_code_page; // FIXME: is this correct???
10801: }
10802: }
10803: break;
1.1 root 10804: case 0x20:
1.1.1.25 root 10805: case 0xa0:
1.1.1.19 root 10806: memset(tmp, 0, sizeof(tmp));
10807: tmp[0] = REG8(DL);
1.1 root 10808: my_strupr(tmp);
10809: REG8(DL) = tmp[0];
10810: break;
10811: case 0x21:
1.1.1.25 root 10812: case 0xa1:
1.1 root 10813: memset(tmp, 0, sizeof(tmp));
1.1.1.3 root 10814: memcpy(tmp, mem + SREG_BASE(DS) + REG16(DX), REG16(CX));
1.1 root 10815: my_strupr(tmp);
1.1.1.3 root 10816: memcpy(mem + SREG_BASE(DS) + REG16(DX), tmp, REG16(CX));
1.1 root 10817: break;
10818: case 0x22:
1.1.1.25 root 10819: case 0xa2:
1.1.1.3 root 10820: my_strupr((char *)(mem + SREG_BASE(DS) + REG16(DX)));
1.1 root 10821: break;
1.1.1.25 root 10822: case 0x23:
10823: // FIXME: need to check multi-byte (kanji) charactre?
10824: if(REG8(DL) == 'N' || REG8(DL) == 'n' || (REG8(DL) == 0x82 && REG8(DH) == 0x78) || (REG8(DL) == 0x82 && REG8(DH) == 0x99)) {
10825: // 8278h/8299h: multi-byte (kanji) Y and y
10826: REG16(AX) = 0x00;
10827: } else if(REG8(DL) == 'Y' || REG8(DL) == 'y' || (REG8(DL) == 0x82 && REG8(DH) == 0x6d) || (REG8(DL) == 0x82 && REG8(DH) == 0x8e)) {
10828: // 826dh/828eh: multi-byte (kanji) N and n
10829: REG16(AX) = 0x01;
10830: } else {
10831: REG16(AX) = 0x02;
10832: }
10833: break;
1.1 root 10834: default:
1.1.1.22 root 10835: 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 10836: REG16(AX) = 0x01;
1.1.1.3 root 10837: m_CF = 1;
1.1 root 10838: break;
10839: }
10840: }
10841:
10842: inline void msdos_int_21h_66h()
10843: {
10844: switch(REG8(AL)) {
10845: case 0x01:
10846: REG16(BX) = active_code_page;
10847: REG16(DX) = system_code_page;
10848: break;
10849: case 0x02:
10850: if(active_code_page == REG16(BX)) {
10851: REG16(AX) = 0xeb41;
10852: } else if(_setmbcp(REG16(BX)) == 0) {
10853: active_code_page = REG16(BX);
1.1.1.17 root 10854: msdos_nls_tables_update();
1.1 root 10855: REG16(AX) = 0xeb41;
1.1.1.32 root 10856: SetConsoleCP(active_code_page);
10857: SetConsoleOutputCP(active_code_page);
1.1 root 10858: } else {
10859: REG16(AX) = 0x25;
1.1.1.3 root 10860: m_CF = 1;
1.1 root 10861: }
10862: break;
10863: default:
1.1.1.22 root 10864: 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 10865: REG16(AX) = 0x01;
1.1.1.3 root 10866: m_CF = 1;
1.1 root 10867: break;
10868: }
10869: }
10870:
10871: inline void msdos_int_21h_67h()
10872: {
10873: process_t *process = msdos_process_info_get(current_psp);
10874:
10875: if(REG16(BX) <= MAX_FILES) {
10876: process->max_files = max(REG16(BX), 20);
10877: } else {
10878: REG16(AX) = 0x08;
1.1.1.3 root 10879: m_CF = 1;
1.1 root 10880: }
10881: }
10882:
10883: inline void msdos_int_21h_68h()
10884: {
10885: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 10886: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 10887:
1.1.1.20 root 10888: if(fd < process->max_files && file_handler[fd].valid) {
10889: // fflush(_fdopen(fd, ""));
1.1 root 10890: } else {
10891: REG16(AX) = 0x06;
1.1.1.3 root 10892: m_CF = 1;
1.1 root 10893: }
10894: }
10895:
10896: inline void msdos_int_21h_69h()
10897: {
1.1.1.3 root 10898: drive_info_t *info = (drive_info_t *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 10899: char path[] = "A:\\";
10900: char volume_label[MAX_PATH];
10901: DWORD serial_number = 0;
10902: char file_system[MAX_PATH];
10903:
10904: if(REG8(BL) == 0) {
10905: path[0] = 'A' + _getdrive() - 1;
10906: } else {
10907: path[0] = 'A' + REG8(BL) - 1;
10908: }
10909:
10910: switch(REG8(AL)) {
10911: case 0x00:
10912: if(GetVolumeInformation(path, volume_label, MAX_PATH, &serial_number, NULL, NULL, file_system, MAX_PATH)) {
10913: info->info_level = 0;
10914: info->serial_number = serial_number;
10915: memset(info->volume_label, 0x20, 11);
10916: memcpy(info->volume_label, volume_label, min(strlen(volume_label), 11));
10917: memset(info->file_system, 0x20, 8);
10918: memcpy(info->file_system, file_system, min(strlen(file_system), 8));
10919: } else {
10920: REG16(AX) = errno;
1.1.1.3 root 10921: m_CF = 1;
1.1 root 10922: }
10923: break;
10924: case 0x01:
10925: REG16(AX) = 0x03;
1.1.1.3 root 10926: m_CF = 1;
1.1 root 10927: }
10928: }
10929:
10930: inline void msdos_int_21h_6ah()
10931: {
10932: REG8(AH) = 0x68;
10933: msdos_int_21h_68h();
10934: }
10935:
10936: inline void msdos_int_21h_6bh()
10937: {
10938: REG8(AL) = 0;
10939: }
10940:
10941: inline void msdos_int_21h_6ch(int lfn)
10942: {
1.1.1.3 root 10943: char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(SI)), lfn);
1.1 root 10944: int mode = REG8(BL) & 0x03;
10945:
10946: if(mode < 0x03) {
1.1.1.29 root 10947: if(msdos_is_device_path(path) || msdos_is_existing_file(path)) {
1.1 root 10948: // file exists
10949: if(REG8(DL) & 1) {
1.1.1.37! root 10950: int fd = -1;
1.1.1.11 root 10951: UINT16 info;
1.1.1.37! root 10952: int sio_port = 0;
! 10953: int lpt_port = 0;
1.1 root 10954:
1.1.1.11 root 10955: if(msdos_is_con_path(path)) {
1.1.1.13 root 10956: fd = msdos_open("CON", file_mode[mode].mode);
1.1.1.11 root 10957: info = 0x80d3;
1.1.1.37! root 10958: } else if((sio_port = msdos_is_comm_path(path)) != 0) {
! 10959: fd = msdos_open("NUL", file_mode[mode].mode);
1.1.1.14 root 10960: info = 0x80d3;
1.1.1.37! root 10961: msdos_set_comm_params(sio_port, path);
! 10962: } else if((lpt_port = msdos_is_prn_path(path)) != 0) {
! 10963: fd = msdos_open("NUL", file_mode[mode].mode);
! 10964: info = 0xa8c0;
1.1.1.29 root 10965: } else if(msdos_is_device_path(path)) {
1.1.1.20 root 10966: fd = msdos_open("NUL", file_mode[mode].mode);
10967: info = 0x80d3;
1.1.1.11 root 10968: } else {
1.1.1.13 root 10969: fd = msdos_open(path, file_mode[mode].mode);
1.1.1.11 root 10970: info = msdos_drive_number(path);
10971: }
1.1 root 10972: if(fd != -1) {
10973: REG16(AX) = fd;
10974: REG16(CX) = 1;
1.1.1.37! root 10975: msdos_file_handler_open(fd, path, _isatty(fd), mode, info, current_psp, sio_port, lpt_port);
1.1.1.20 root 10976: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 10977: } else {
10978: REG16(AX) = errno;
1.1.1.3 root 10979: m_CF = 1;
1.1 root 10980: }
10981: } else if(REG8(DL) & 2) {
10982: int attr = GetFileAttributes(path);
1.1.1.37! root 10983: int fd = -1;
1.1.1.11 root 10984: UINT16 info;
1.1.1.37! root 10985: int sio_port = 0;
! 10986: int lpt_port = 0;
1.1 root 10987:
1.1.1.11 root 10988: if(msdos_is_con_path(path)) {
1.1.1.13 root 10989: fd = msdos_open("CON", file_mode[mode].mode);
1.1.1.11 root 10990: info = 0x80d3;
1.1.1.37! root 10991: } else if((sio_port = msdos_is_comm_path(path)) != 0) {
! 10992: fd = msdos_open("NUL", file_mode[mode].mode);
1.1.1.14 root 10993: info = 0x80d3;
1.1.1.37! root 10994: msdos_set_comm_params(sio_port, path);
! 10995: } else if((lpt_port = msdos_is_prn_path(path)) != 0) {
! 10996: fd = msdos_open("NUL", file_mode[mode].mode);
! 10997: info = 0xa8c0;
1.1.1.29 root 10998: } else if(msdos_is_device_path(path)) {
1.1.1.20 root 10999: fd = msdos_open("NUL", file_mode[mode].mode);
11000: info = 0x80d3;
1.1 root 11001: } else {
11002: fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
1.1.1.11 root 11003: info = msdos_drive_number(path);
1.1 root 11004: }
11005: if(fd != -1) {
11006: if(attr == -1) {
11007: attr = msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY;
11008: }
11009: SetFileAttributes(path, attr);
11010: REG16(AX) = fd;
11011: REG16(CX) = 3;
1.1.1.37! root 11012: msdos_file_handler_open(fd, path, _isatty(fd), 2, info, current_psp, sio_port, lpt_port);
1.1.1.20 root 11013: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 11014: } else {
11015: REG16(AX) = errno;
1.1.1.3 root 11016: m_CF = 1;
1.1 root 11017: }
11018: } else {
11019: REG16(AX) = 0x50;
1.1.1.3 root 11020: m_CF = 1;
1.1 root 11021: }
11022: } else {
11023: // file not exists
11024: if(REG8(DL) & 0x10) {
11025: int fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
11026:
11027: if(fd != -1) {
11028: SetFileAttributes(path, msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY);
11029: REG16(AX) = fd;
11030: REG16(CX) = 2;
11031: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_drive_number(path), current_psp);
1.1.1.20 root 11032: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 11033: } else {
11034: REG16(AX) = errno;
1.1.1.3 root 11035: m_CF = 1;
1.1 root 11036: }
11037: } else {
11038: REG16(AX) = 0x02;
1.1.1.3 root 11039: m_CF = 1;
1.1 root 11040: }
11041: }
11042: } else {
11043: REG16(AX) = 0x0c;
1.1.1.3 root 11044: m_CF = 1;
1.1 root 11045: }
11046: }
11047:
11048: inline void msdos_int_21h_710dh()
11049: {
11050: // reset drive
11051: }
11052:
1.1.1.17 root 11053: inline void msdos_int_21h_7141h(int lfn)
11054: {
11055: if(REG16(SI) == 0) {
11056: msdos_int_21h_41h(lfn);
11057: return;
11058: }
11059: if(REG16(SI) != 1) {
11060: REG16(AX) = 5;
11061: m_CF = 1;
11062: }
11063: /* wild card and matching attributes... */
11064: char tmp[MAX_PATH * 2];
11065: // copy search pathname (and quick check overrun)
11066: ZeroMemory(tmp, sizeof(tmp));
11067: tmp[MAX_PATH - 1] = '\0';
11068: tmp[MAX_PATH] = 1;
11069: strncpy(tmp, (char *)(mem + SREG_BASE(DS) + REG16(DX)), MAX_PATH);
11070:
11071: if(tmp[MAX_PATH - 1] != '\0' || tmp[MAX_PATH] != 1) {
11072: REG16(AX) = 1;
11073: m_CF = 1;
11074: return;
11075: }
11076: for(char *s = tmp; *s; ++s) {
11077: if(*s == '/') {
11078: *s = '\\';
11079: }
11080: }
11081: char *tmp_name = (char *)_mbsrchr((unsigned char *)tmp, '\\');
11082: if(tmp_name) {
11083: ++tmp_name;
11084: } else {
11085: tmp_name = strchr(tmp, ':');
11086: tmp_name = tmp_name ? tmp_name + 1 : tmp;
11087: }
11088:
11089: WIN32_FIND_DATAA fd;
11090: HANDLE fh = FindFirstFileA(tmp, &fd);
11091: if(fh == INVALID_HANDLE_VALUE) {
11092: REG16(AX) = 2;
11093: m_CF = 1;
11094: return;
11095: }
11096: do {
11097: if(msdos_find_file_check_attribute(fd.dwFileAttributes, REG8(CL), REG8(CH)) && msdos_find_file_has_8dot3name(&fd)) {
11098: strcpy(tmp_name, fd.cFileName);
11099: if(remove(msdos_trimmed_path(tmp, lfn))) {
11100: REG16(AX) = 5;
11101: m_CF = 1;
11102: break;
11103: }
11104: }
11105: } while(FindNextFileA(fh, &fd));
11106: if(!m_CF) {
11107: if(GetLastError() != ERROR_NO_MORE_FILES) {
11108: m_CF = 1;
11109: REG16(AX) = 2;
11110: }
11111: }
11112: FindClose(fh);
11113: }
11114:
1.1 root 11115: inline void msdos_int_21h_714eh()
11116: {
11117: process_t *process = msdos_process_info_get(current_psp);
1.1.1.3 root 11118: find_lfn_t *find = (find_lfn_t *)(mem + SREG_BASE(ES) + REG16(DI));
11119: char *path = (char *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 11120: WIN32_FIND_DATA fd;
11121:
1.1.1.13 root 11122: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, LFN_DTA_LADDR);
11123: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
11124: FindClose(dtainfo->find_handle);
11125: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 11126: }
11127: strcpy(process->volume_label, msdos_volume_label(path));
1.1.1.14 root 11128: dtainfo->allowable_mask = REG8(CL);
11129: dtainfo->required_mask = REG8(CH);
11130: bool label_only = (dtainfo->allowable_mask == 8);
1.1 root 11131:
1.1.1.14 root 11132: if((dtainfo->allowable_mask & 8) && !msdos_match_volume_label(path, msdos_short_volume_label(process->volume_label))) {
11133: dtainfo->allowable_mask &= ~8;
1.1 root 11134: }
1.1.1.14 root 11135: if(!label_only && (dtainfo->find_handle = FindFirstFile(path, &fd)) != INVALID_HANDLE_VALUE) {
11136: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, dtainfo->required_mask)) {
1.1.1.13 root 11137: if(!FindNextFile(dtainfo->find_handle, &fd)) {
11138: FindClose(dtainfo->find_handle);
11139: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 11140: break;
11141: }
11142: }
11143: }
1.1.1.13 root 11144: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 11145: find->attrib = fd.dwFileAttributes;
11146: msdos_find_file_conv_local_time(&fd);
11147: if(REG16(SI) == 0) {
11148: find->ctime_lo.dw = fd.ftCreationTime.dwLowDateTime;
11149: find->ctime_hi.dw = fd.ftCreationTime.dwHighDateTime;
11150: find->atime_lo.dw = fd.ftLastAccessTime.dwLowDateTime;
11151: find->atime_hi.dw = fd.ftLastAccessTime.dwHighDateTime;
11152: find->mtime_lo.dw = fd.ftLastWriteTime.dwLowDateTime;
11153: find->mtime_hi.dw = fd.ftLastWriteTime.dwHighDateTime;
11154: } else {
11155: FileTimeToDosDateTime(&fd.ftCreationTime, &find->ctime_lo.w.h, &find->ctime_lo.w.l);
11156: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->atime_lo.w.h, &find->atime_lo.w.l);
11157: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->mtime_lo.w.h, &find->mtime_lo.w.l);
11158: }
11159: find->size_hi = fd.nFileSizeHigh;
11160: find->size_lo = fd.nFileSizeLow;
11161: strcpy(find->full_name, fd.cFileName);
1.1.1.13 root 11162: strcpy(find->short_name, fd.cAlternateFileName);
1.1.1.14 root 11163: REG16(AX) = dtainfo - dtalist + 1;
11164: } else if(dtainfo->allowable_mask & 8) {
1.1 root 11165: // volume label
11166: find->attrib = 8;
11167: find->size_hi = find->size_lo = 0;
11168: strcpy(find->full_name, process->volume_label);
11169: strcpy(find->short_name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 11170: dtainfo->allowable_mask &= ~8;
11171: REG16(AX) = dtainfo - dtalist + 1;
1.1 root 11172: } else {
11173: REG16(AX) = 0x12; // NOTE: return 0x02 if file path is invalid
1.1.1.3 root 11174: m_CF = 1;
1.1 root 11175: }
11176: }
11177:
11178: inline void msdos_int_21h_714fh()
11179: {
11180: process_t *process = msdos_process_info_get(current_psp);
1.1.1.3 root 11181: find_lfn_t *find = (find_lfn_t *)(mem + SREG_BASE(ES) + REG16(DI));
1.1 root 11182: WIN32_FIND_DATA fd;
11183:
1.1.1.14 root 11184: if(REG16(BX) - 1u >= MAX_DTAINFO) {
11185: REG16(AX) = 6;
1.1.1.13 root 11186: m_CF = 1;
11187: return;
11188: }
1.1.1.14 root 11189: dtainfo_t *dtainfo = &dtalist[REG16(BX) - 1];
1.1.1.13 root 11190: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
11191: if(FindNextFile(dtainfo->find_handle, &fd)) {
1.1.1.14 root 11192: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, dtainfo->required_mask)) {
1.1.1.13 root 11193: if(!FindNextFile(dtainfo->find_handle, &fd)) {
11194: FindClose(dtainfo->find_handle);
11195: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 11196: break;
11197: }
11198: }
11199: } else {
1.1.1.13 root 11200: FindClose(dtainfo->find_handle);
11201: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 11202: }
11203: }
1.1.1.13 root 11204: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 11205: find->attrib = fd.dwFileAttributes;
11206: msdos_find_file_conv_local_time(&fd);
11207: if(REG16(SI) == 0) {
11208: find->ctime_lo.dw = fd.ftCreationTime.dwLowDateTime;
11209: find->ctime_hi.dw = fd.ftCreationTime.dwHighDateTime;
11210: find->atime_lo.dw = fd.ftLastAccessTime.dwLowDateTime;
11211: find->atime_hi.dw = fd.ftLastAccessTime.dwHighDateTime;
11212: find->mtime_lo.dw = fd.ftLastWriteTime.dwLowDateTime;
11213: find->mtime_hi.dw = fd.ftLastWriteTime.dwHighDateTime;
11214: } else {
11215: FileTimeToDosDateTime(&fd.ftCreationTime, &find->ctime_lo.w.h, &find->ctime_lo.w.l);
11216: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->atime_lo.w.h, &find->atime_lo.w.l);
11217: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->mtime_lo.w.h, &find->mtime_lo.w.l);
11218: }
11219: find->size_hi = fd.nFileSizeHigh;
11220: find->size_lo = fd.nFileSizeLow;
11221: strcpy(find->full_name, fd.cFileName);
1.1.1.13 root 11222: strcpy(find->short_name, fd.cAlternateFileName);
1.1.1.14 root 11223: } else if(dtainfo->allowable_mask & 8) {
1.1 root 11224: // volume label
11225: find->attrib = 8;
11226: find->size_hi = find->size_lo = 0;
11227: strcpy(find->full_name, process->volume_label);
11228: strcpy(find->short_name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 11229: dtainfo->allowable_mask &= ~8;
1.1 root 11230: } else {
11231: REG16(AX) = 0x12;
1.1.1.3 root 11232: m_CF = 1;
1.1 root 11233: }
11234: }
11235:
11236: inline void msdos_int_21h_71a0h()
11237: {
11238: DWORD max_component_len, file_sys_flag;
11239:
1.1.1.14 root 11240: 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))) {
11241: REG16(BX) = (UINT16)file_sys_flag & (FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVED_NAMES | FILE_UNICODE_ON_DISK | FILE_VOLUME_IS_COMPRESSED);
11242: REG16(BX) |= 0x4000; // supports LFN functions
1.1 root 11243: REG16(CX) = (UINT16)max_component_len; // 255
11244: REG16(DX) = (UINT16)max_component_len + 5; // 260
11245: } else {
11246: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 11247: m_CF = 1;
1.1 root 11248: }
11249: }
11250:
11251: inline void msdos_int_21h_71a1h()
11252: {
1.1.1.14 root 11253: if(REG16(BX) - 1u >= MAX_DTAINFO) {
11254: REG16(AX) = 6;
1.1.1.13 root 11255: m_CF = 1;
11256: return;
11257: }
1.1.1.14 root 11258: dtainfo_t *dtainfo = &dtalist[REG16(BX) - 1];
1.1.1.13 root 11259: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
11260: FindClose(dtainfo->find_handle);
11261: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 11262: }
11263: }
11264:
11265: inline void msdos_int_21h_71a6h()
11266: {
11267: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 11268: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
11269:
1.1.1.3 root 11270: UINT8 *buffer = (UINT8 *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 11271: struct _stat64 status;
11272: DWORD serial_number = 0;
11273:
1.1.1.20 root 11274: if(fd < process->max_files && file_handler[fd].valid) {
11275: if(_fstat64(fd, &status) == 0) {
11276: if(file_handler[fd].path[1] == ':') {
1.1 root 11277: // NOTE: we need to consider the network file path "\\host\share\"
11278: char volume[] = "A:\\";
1.1.1.20 root 11279: volume[0] = file_handler[fd].path[1];
1.1 root 11280: GetVolumeInformation(volume, NULL, 0, &serial_number, NULL, NULL, NULL, 0);
11281: }
1.1.1.20 root 11282: *(UINT32 *)(buffer + 0x00) = GetFileAttributes(file_handler[fd].path);
1.1 root 11283: *(UINT32 *)(buffer + 0x04) = (UINT32)(status.st_ctime & 0xffffffff);
11284: *(UINT32 *)(buffer + 0x08) = (UINT32)((status.st_ctime >> 32) & 0xffffffff);
11285: *(UINT32 *)(buffer + 0x0c) = (UINT32)(status.st_atime & 0xffffffff);
11286: *(UINT32 *)(buffer + 0x10) = (UINT32)((status.st_atime >> 32) & 0xffffffff);
11287: *(UINT32 *)(buffer + 0x14) = (UINT32)(status.st_mtime & 0xffffffff);
11288: *(UINT32 *)(buffer + 0x18) = (UINT32)((status.st_mtime >> 32) & 0xffffffff);
11289: *(UINT32 *)(buffer + 0x1c) = serial_number;
11290: *(UINT32 *)(buffer + 0x20) = (UINT32)((status.st_size >> 32) & 0xffffffff);
11291: *(UINT32 *)(buffer + 0x24) = (UINT32)(status.st_size & 0xffffffff);
11292: *(UINT32 *)(buffer + 0x28) = status.st_nlink;
1.1.1.14 root 11293: // this is dummy id and it will be changed when it is reopened...
1.1 root 11294: *(UINT32 *)(buffer + 0x2c) = 0;
1.1.1.20 root 11295: *(UINT32 *)(buffer + 0x30) = file_handler[fd].id;
1.1 root 11296: } else {
11297: REG16(AX) = errno;
1.1.1.3 root 11298: m_CF = 1;
1.1 root 11299: }
11300: } else {
11301: REG16(AX) = 0x06;
1.1.1.3 root 11302: m_CF = 1;
1.1 root 11303: }
11304: }
11305:
11306: inline void msdos_int_21h_71a7h()
11307: {
11308: switch(REG8(BL)) {
11309: case 0x00:
1.1.1.3 root 11310: if(!FileTimeToDosDateTime((FILETIME *)(mem + SREG_BASE(DS) + REG16(SI)), ®16(DX), ®16(CX))) {
1.1 root 11311: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 11312: m_CF = 1;
1.1 root 11313: }
11314: break;
11315: case 0x01:
11316: // NOTE: we need to check BH that shows 10-millisecond untils past time in CX
1.1.1.3 root 11317: if(!DosDateTimeToFileTime(REG16(DX), REG16(CX), (FILETIME *)(mem + SREG_BASE(ES) + REG16(DI)))) {
1.1 root 11318: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 11319: m_CF = 1;
1.1 root 11320: }
11321: break;
11322: default:
1.1.1.22 root 11323: 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 11324: REG16(AX) = 0x01;
1.1.1.3 root 11325: m_CF = 1;
1.1 root 11326: break;
11327: }
11328: }
11329:
11330: inline void msdos_int_21h_71a8h()
11331: {
11332: if(REG8(DH) == 0) {
11333: char tmp[MAX_PATH], fcb[MAX_PATH];
1.1.1.3 root 11334: strcpy(tmp, msdos_short_path((char *)(mem + SREG_BASE(DS) + REG16(SI))));
1.1 root 11335: memset(fcb, 0x20, sizeof(fcb));
11336: int len = strlen(tmp);
1.1.1.21 root 11337: for(int i = 0, pos = 0; i < len; i++) {
1.1 root 11338: if(tmp[i] == '.') {
11339: pos = 8;
11340: } else {
11341: if(msdos_lead_byte_check(tmp[i])) {
11342: fcb[pos++] = tmp[i++];
11343: }
11344: fcb[pos++] = tmp[i];
11345: }
11346: }
1.1.1.3 root 11347: memcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), fcb, 11);
1.1 root 11348: } else {
1.1.1.3 root 11349: strcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), msdos_short_path((char *)(mem + SREG_BASE(DS) + REG16(SI))));
1.1 root 11350: }
11351: }
11352:
1.1.1.22 root 11353: inline void msdos_int_21h_71aah()
11354: {
11355: char drv[] = "A:", path[MAX_PATH];
11356: char *hoge=(char *)(mem + SREG_BASE(DS) + REG16(DX));
11357:
11358: if(REG8(BL) == 0) {
11359: drv[0] = 'A' + _getdrive() - 1;
11360: } else {
11361: drv[0] = 'A' + REG8(BL) - 1;
11362: }
11363: switch(REG8(BH)) {
11364: case 0x00:
11365: if(DefineDosDevice(0, drv, (char *)(mem + SREG_BASE(DS) + REG16(DX))) == 0) {
11366: DWORD bits = 1 << ((REG8(BL) ? REG8(BL) : _getdrive()) - 1);
11367: if(GetLogicalDrives() & bits) {
11368: REG16(AX) = 0x0f; // invalid drive
11369: } else {
11370: REG16(AX) = 0x03; // path not found
11371: }
11372: m_CF = 1;
11373: }
11374: break;
11375: case 0x01:
11376: if(DefineDosDevice(DDD_REMOVE_DEFINITION, drv, NULL) == 0) {
11377: REG16(AX) = 0x0f; // invalid drive
11378: m_CF = 1;
11379: }
11380: break;
11381: case 0x02:
11382: if(QueryDosDevice(drv, path, MAX_PATH) == 0) {
11383: REG16(AX) = 0x0f; // invalid drive
11384: m_CF = 1;
11385: } else if(strncmp(path, "\\??\\", 4) != 0) {
11386: REG16(AX) = 0x0f; // invalid drive
11387: m_CF = 1;
11388: } else {
11389: strcpy((char *)(mem + SREG_BASE(DS) + REG16(DX)), path + 4);
11390: }
11391: break;
11392: default:
11393: 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));
11394: REG16(AX) = 0x01;
11395: m_CF = 1;
11396: break;
11397: }
11398: }
11399:
1.1.1.14 root 11400: inline void msdos_int_21h_7300h()
11401: {
11402: if(REG8(AL) == 0) {
11403: REG8(AL) = REG8(CL);
11404: REG8(AH) = 0;
11405: } else {
11406: REG16(AX) = 0x01;
11407: m_CF = 1;
11408: }
11409: }
11410:
11411: inline void msdos_int_21h_7302h()
11412: {
11413: int drive_num = (REG8(DL) == 0) ? (_getdrive() - 1) : (REG8(DL) - 1);
11414: UINT16 seg, ofs;
11415:
11416: if(REG16(CX) < 0x3f) {
11417: REG8(AL) = 0x18;
11418: m_CF = 1;
11419: } else if(!msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
11420: REG8(AL) = 0xff;
11421: m_CF = 1;
11422: } else {
11423: memcpy(mem + SREG_BASE(ES) + REG16(DI) + 2, mem + (seg << 4) + ofs, sizeof(dpb_t));
11424: }
11425: }
11426:
1.1 root 11427: inline void msdos_int_21h_7303h()
11428: {
1.1.1.3 root 11429: char *path = (char *)(mem + SREG_BASE(DS) + REG16(DX));
11430: ext_space_info_t *info = (ext_space_info_t *)(mem + SREG_BASE(ES) + REG16(DI));
1.1 root 11431: DWORD sectors_per_cluster, bytes_per_sector, free_clusters, total_clusters;
11432:
11433: if(GetDiskFreeSpace(path, §ors_per_cluster, &bytes_per_sector, &free_clusters, &total_clusters)) {
11434: info->size_of_structure = sizeof(ext_space_info_t);
11435: info->structure_version = 0;
11436: info->sectors_per_cluster = sectors_per_cluster;
11437: info->bytes_per_sector = bytes_per_sector;
11438: info->available_clusters_on_drive = free_clusters;
11439: info->total_clusters_on_drive = total_clusters;
11440: info->available_sectors_on_drive = sectors_per_cluster * free_clusters;
11441: info->total_sectors_on_drive = sectors_per_cluster * total_clusters;
11442: info->available_allocation_units = free_clusters; // ???
11443: info->total_allocation_units = total_clusters; // ???
11444: } else {
11445: REG16(AX) = errno;
1.1.1.3 root 11446: m_CF = 1;
1.1 root 11447: }
11448: }
11449:
1.1.1.30 root 11450: inline void msdos_int_21h_dbh()
11451: {
11452: // Novell NetWare - Workstation - Get Number of Local Drives
11453: dos_info_t *dos_info = (dos_info_t *)(mem + DOS_INFO_TOP);
11454: REG8(AL) = dos_info->last_drive;
11455: }
11456:
11457: inline void msdos_int_21h_dch()
11458: {
11459: // Novell NetWare - Connection Services - Get Connection Number
11460: REG8(AL) = 0x00;
11461: }
11462:
1.1.1.32 root 11463: inline void msdos_int_24h()
11464: {
11465: const char *message = NULL;
11466: int key = 0;
11467:
11468: for(int i = 0; i < array_length(critical_error_table); i++) {
11469: if(critical_error_table[i].code == (REG16(DI) & 0xff) || critical_error_table[i].code == (UINT16)-1) {
11470: if(active_code_page == 932) {
11471: message = critical_error_table[i].message_japanese;
11472: }
11473: if(message == NULL) {
11474: message = critical_error_table[i].message_english;
11475: }
11476: *(UINT8 *)(mem + WORK_TOP) = strlen(message);
11477: strcpy((char *)(mem + WORK_TOP + 1), message);
11478:
11479: SREG(ES) = WORK_TOP >> 4;
11480: i386_load_segment_descriptor(ES);
11481: REG16(DI) = 0x0000;
11482: break;
11483: }
11484: }
11485: fprintf(stderr, "\n%s", message);
11486: if(!(REG8(AH) & 0x80)) {
11487: if(REG8(AH) & 0x01) {
11488: fprintf(stderr, " %s %c", (active_code_page == 932) ? "�������ݒ� �h���C�u" : "writing drive", 'A' + REG8(AL));
11489: } else {
11490: fprintf(stderr, " %s %c", (active_code_page == 932) ? "�ǂݎ�蒆 �h���C�u" : "reading drive", 'A' + REG8(AL));
11491: }
11492: }
11493: fprintf(stderr, "\n");
11494:
1.1.1.33 root 11495: {
1.1.1.32 root 11496: fprintf(stderr, "%s", (active_code_page == 932) ? "���~ (A)" : "Abort");
1.1.1.33 root 11497: }
1.1.1.32 root 11498: if(REG8(AH) & 0x10) {
11499: fprintf(stderr, ", %s", (active_code_page == 932) ? "���s (R)" : "Retry");
11500: }
11501: if(REG8(AH) & 0x20) {
11502: fprintf(stderr, ", %s", (active_code_page == 932) ? "���� (I)" : "Ignore");
11503: }
11504: if(REG8(AH) & 0x08) {
11505: fprintf(stderr, ", %s", (active_code_page == 932) ? "���s (F)" : "Fail");
11506: }
11507: fprintf(stderr, "? ");
11508:
11509: while(1) {
11510: while(!_kbhit()) {
11511: Sleep(10);
11512: }
11513: key = _getch();
11514:
11515: if(key == 'I' || key == 'i') {
11516: if(REG8(AH) & 0x20) {
11517: REG8(AL) = 0;
11518: break;
11519: }
11520: } else if(key == 'R' || key == 'r') {
11521: if(REG8(AH) & 0x10) {
11522: REG8(AL) = 1;
11523: break;
11524: }
11525: } else if(key == 'A' || key == 'a') {
11526: REG8(AL) = 2;
11527: break;
11528: } else if(key == 'F' || key == 'f') {
11529: if(REG8(AH) & 0x08) {
11530: REG8(AL) = 3;
11531: break;
11532: }
11533: }
11534: }
11535: fprintf(stderr, "%c\n", key);
11536: }
11537:
1.1 root 11538: inline void msdos_int_25h()
11539: {
11540: UINT16 seg, ofs;
11541: DWORD dwSize;
11542:
1.1.1.3 root 11543: #if defined(HAS_I386)
11544: I386OP(pushf)();
11545: #else
11546: PREFIX86(_pushf());
11547: #endif
1.1 root 11548:
11549: if(!(REG8(AL) < 26)) {
11550: REG8(AL) = 0x01; // unit unknown
1.1.1.3 root 11551: m_CF = 1;
1.1 root 11552: } else if(!msdos_drive_param_block_update(REG8(AL), &seg, &ofs, 0)) {
11553: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 11554: m_CF = 1;
1.1 root 11555: } else {
11556: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
11557: char dev[64];
11558: sprintf(dev, "\\\\.\\%c:", 'A' + REG8(AL));
11559:
11560: HANDLE hFile = CreateFile(dev, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
11561: if(hFile == INVALID_HANDLE_VALUE) {
11562: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 11563: m_CF = 1;
1.1 root 11564: } else {
1.1.1.19 root 11565: UINT32 top_sector = REG16(DX);
11566: UINT16 sector_num = REG16(CX);
11567: UINT32 buffer_addr = SREG_BASE(DS) + REG16(BX);
11568:
11569: if(sector_num == 0xffff) {
11570: top_sector = *(UINT32 *)(mem + buffer_addr + 0);
11571: sector_num = *(UINT16 *)(mem + buffer_addr + 4);
11572: UINT16 ofs = *(UINT16 *)(mem + buffer_addr + 6);
11573: UINT16 seg = *(UINT16 *)(mem + buffer_addr + 8);
11574: buffer_addr = (seg << 4) + ofs;
11575: }
11576: // if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
11577: // REG8(AL) = 0x02; // drive not ready
11578: // m_CF = 1;
11579: // } else
11580: if(SetFilePointer(hFile, top_sector * dpb->bytes_per_sector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
1.1 root 11581: REG8(AL) = 0x08; // sector not found
1.1.1.3 root 11582: m_CF = 1;
1.1.1.19 root 11583: } else if(ReadFile(hFile, mem + buffer_addr, sector_num * dpb->bytes_per_sector, &dwSize, NULL) == 0) {
1.1 root 11584: REG8(AL) = 0x0b; // read error
1.1.1.3 root 11585: m_CF = 1;
1.1 root 11586: }
11587: CloseHandle(hFile);
11588: }
11589: }
11590: }
11591:
11592: inline void msdos_int_26h()
11593: {
11594: // this operation may cause serious damage for drives, so always returns error...
11595: UINT16 seg, ofs;
11596: DWORD dwSize;
11597:
1.1.1.3 root 11598: #if defined(HAS_I386)
11599: I386OP(pushf)();
11600: #else
11601: PREFIX86(_pushf());
11602: #endif
1.1 root 11603:
11604: if(!(REG8(AL) < 26)) {
11605: REG8(AL) = 0x01; // unit unknown
1.1.1.3 root 11606: m_CF = 1;
1.1 root 11607: } else if(!msdos_drive_param_block_update(REG8(AL), &seg, &ofs, 0)) {
11608: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 11609: m_CF = 1;
1.1 root 11610: } else {
11611: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
11612: char dev[64];
11613: sprintf(dev, "\\\\.\\%c:", 'A' + REG8(AL));
11614:
11615: if(dpb->media_type == 0xf8) {
11616: // this drive is not a floppy
1.1.1.6 root 11617: // if(!(((dos_info_t *)(mem + DOS_INFO_TOP))->dos_flag & 0x40)) {
11618: // fatalerror("This application tried the absolute disk write to drive %c:\n", 'A' + REG8(AL));
11619: // }
1.1 root 11620: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 11621: m_CF = 1;
1.1 root 11622: } else {
11623: HANDLE hFile = CreateFile(dev, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
11624: if(hFile == INVALID_HANDLE_VALUE) {
11625: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 11626: m_CF = 1;
1.1 root 11627: } else {
1.1.1.19 root 11628: UINT32 top_sector = REG16(DX);
11629: UINT16 sector_num = REG16(CX);
11630: UINT32 buffer_addr = SREG_BASE(DS) + REG16(BX);
11631:
11632: if(sector_num == 0xffff) {
11633: top_sector = *(UINT32 *)(mem + buffer_addr + 0);
11634: sector_num = *(UINT16 *)(mem + buffer_addr + 4);
11635: UINT16 ofs = *(UINT16 *)(mem + buffer_addr + 6);
11636: UINT16 seg = *(UINT16 *)(mem + buffer_addr + 8);
11637: buffer_addr = (seg << 4) + ofs;
11638: }
1.1 root 11639: if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
11640: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 11641: m_CF = 1;
1.1.1.19 root 11642: } else if(SetFilePointer(hFile, top_sector * dpb->bytes_per_sector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
1.1 root 11643: REG8(AL) = 0x08; // sector not found
1.1.1.3 root 11644: m_CF = 1;
1.1.1.19 root 11645: } else if(WriteFile(hFile, mem + buffer_addr, sector_num * dpb->bytes_per_sector, &dwSize, NULL) == 0) {
1.1 root 11646: REG8(AL) = 0x0a; // write error
1.1.1.3 root 11647: m_CF = 1;
1.1 root 11648: }
11649: CloseHandle(hFile);
11650: }
11651: }
11652: }
11653: }
11654:
11655: inline void msdos_int_27h()
11656: {
1.1.1.29 root 11657: int paragraphs = (min(REG16(DX), 0xfff0) + 15) >> 4;
11658: try {
11659: msdos_mem_realloc(SREG(CS), paragraphs, NULL);
11660: } catch(...) {
11661: // recover the broken mcb
11662: int mcb_seg = SREG(CS) - 1;
11663: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1.1.33 root 11664:
1.1.1.29 root 11665: if(mcb_seg < (MEMORY_END >> 4)) {
1.1.1.33 root 11666: mcb->mz = 'M';
11667: mcb->paragraphs = (MEMORY_END >> 4) - mcb_seg - 2;
11668:
1.1.1.29 root 11669: if(((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked & 0x01) {
1.1.1.33 root 11670: msdos_mcb_create((MEMORY_END >> 4) - 1, 'M', PSP_SYSTEM, (UMB_TOP >> 4) - (MEMORY_END >> 4));
1.1.1.29 root 11671: } else {
1.1.1.33 root 11672: msdos_mcb_create((MEMORY_END >> 4) - 1, 'Z', PSP_SYSTEM, 0);
1.1.1.29 root 11673: }
11674: } else {
11675: mcb->mz = 'Z';
1.1.1.30 root 11676: mcb->paragraphs = (UMB_END >> 4) - mcb_seg - 1;
1.1.1.29 root 11677: }
11678: msdos_mem_realloc(SREG(CS), paragraphs, NULL);
11679: }
1.1.1.3 root 11680: msdos_process_terminate(SREG(CS), retval | 0x300, 0);
1.1 root 11681: }
11682:
11683: inline void msdos_int_29h()
11684: {
1.1.1.14 root 11685: #if 1
11686: // need to check escape sequences
1.1 root 11687: msdos_putch(REG8(AL));
1.1.1.14 root 11688: #else
11689: DWORD num;
11690: vram_flush();
1.1.1.23 root 11691: WriteConsole(GetStdHandle(STD_OUTPUT_HANDLE), ®8(AL), 1, &num, NULL);
1.1.1.14 root 11692: cursor_moved = true;
11693: #endif
1.1 root 11694: }
11695:
11696: inline void msdos_int_2eh()
11697: {
11698: char tmp[MAX_PATH], command[MAX_PATH], opt[MAX_PATH];
11699: memset(tmp, 0, sizeof(tmp));
1.1.1.3 root 11700: strcpy(tmp, (char *)(mem + SREG_BASE(DS) + REG16(SI)));
1.1 root 11701: char *token = my_strtok(tmp, " ");
11702: strcpy(command, token);
11703: strcpy(opt, token + strlen(token) + 1);
11704:
11705: param_block_t *param = (param_block_t *)(mem + WORK_TOP);
11706: param->env_seg = 0;
11707: param->cmd_line.w.l = 44;
11708: param->cmd_line.w.h = (WORK_TOP >> 4);
11709: param->fcb1.w.l = 24;
11710: param->fcb1.w.h = (WORK_TOP >> 4);
11711: param->fcb2.w.l = 24;
11712: param->fcb2.w.h = (WORK_TOP >> 4);
11713:
11714: memset(mem + WORK_TOP + 24, 0x20, 20);
11715:
11716: cmd_line_t *cmd_line = (cmd_line_t *)(mem + WORK_TOP + 44);
11717: cmd_line->len = strlen(opt);
11718: strcpy(cmd_line->cmd, opt);
11719: cmd_line->cmd[cmd_line->len] = 0x0d;
11720:
1.1.1.28 root 11721: try {
11722: if(msdos_process_exec(command, param, 0)) {
11723: REG16(AX) = 0xffff; // error before processing command
11724: } else {
11725: // set flag to set retval to ax when the started process is terminated
11726: process_t *process = msdos_process_info_get(current_psp);
11727: process->called_by_int2eh = true;
11728: }
11729: } catch(...) {
11730: REG16(AX) = 0xffff; // error before processing command
11731: }
1.1 root 11732: }
11733:
1.1.1.29 root 11734: inline void msdos_int_2fh_05h()
11735: {
11736: switch(REG8(AL)) {
11737: case 0x00:
1.1.1.32 root 11738: REG8(AL) = 0xff;
11739: break;
11740: case 0x01:
11741: case 0x02:
11742: for(int i = 0; i < array_length(standard_error_table); i++) {
11743: if(standard_error_table[i].code == REG16(BX) || standard_error_table[i].code == (UINT16)-1) {
11744: const char *message = NULL;
11745: if(active_code_page == 932) {
11746: message = standard_error_table[i].message_japanese;
11747: }
11748: if(message == NULL) {
11749: message = standard_error_table[i].message_english;
11750: }
11751: strcpy((char *)(mem + WORK_TOP), message);
11752:
11753: SREG(ES) = WORK_TOP >> 4;
11754: i386_load_segment_descriptor(ES);
11755: REG16(DI) = 0x0000;
11756: REG8(AL) = 0x01;
11757: break;
11758: }
11759: }
1.1.1.29 root 11760: break;
11761: default:
11762: 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));
11763: m_CF = 1;
11764: }
11765: }
11766:
1.1.1.22 root 11767: inline void msdos_int_2fh_11h()
11768: {
11769: switch(REG8(AL)) {
11770: case 0x00:
1.1.1.29 root 11771: if(i386_read_stack() == 0xdada) {
11772: // MSCDEX is not installed
11773: // REG8(AL) = 0x00;
11774: } else {
11775: // Network Redirector is not installed
11776: // REG8(AL) = 0x00;
11777: }
1.1.1.22 root 11778: break;
11779: default:
11780: 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 11781: REG16(AX) = 0x49; // network software not installed
1.1.1.22 root 11782: m_CF = 1;
11783: break;
11784: }
11785: }
11786:
1.1.1.21 root 11787: inline void msdos_int_2fh_12h()
11788: {
11789: switch(REG8(AL)) {
1.1.1.22 root 11790: case 0x00:
1.1.1.29 root 11791: // DOS 3.0+ internal functions are installed
1.1.1.22 root 11792: REG8(AL) = 0xff;
11793: break;
1.1.1.29 root 11794: // case 0x01: // DOS 3.0+ internal - Close Current File
11795: case 0x02:
11796: {
11797: UINT16 stack = i386_read_stack();
11798: REG16(BX) = *(UINT16 *)(mem + 4 * stack + 0);
11799: SREG(ES) = *(UINT16 *)(mem + 4 * stack + 2);
11800: i386_load_segment_descriptor(ES);
11801: }
11802: break;
1.1.1.30 root 11803: case 0x03:
11804: SREG(DS) = (DEVICE_TOP >> 4);
11805: i386_load_segment_descriptor(DS);
11806: break;
1.1.1.29 root 11807: case 0x04:
11808: {
11809: UINT16 stack = i386_read_stack();
11810: REG8(AL) = (stack == '/') ? '\\' : stack;
11811: #if defined(HAS_I386)
11812: m_ZF = (REG8(AL) == '\\');
11813: #else
11814: m_ZeroVal = (REG8(AL) != '\\');
11815: #endif
11816: }
11817: break;
11818: case 0x05:
11819: msdos_putch(i386_read_stack());
11820: break;
11821: // case 0x06: // DOS 3.0+ internal - Invole Critical Error
11822: // case 0x07: // DOS 3.0+ internal - Make Disk Buffer Most Recentry Used
11823: // case 0x08: // DOS 3.0+ internal - Decrement SFT Reference Count
11824: // case 0x09: // DOS 3.0+ internal - Flush and FREE Disk Buffer
11825: // case 0x0a: // DOS 3.0+ internal - Perform Critical Error Interrupt
11826: // case 0x0b: // DOS 3.0+ internal - Signal Sharing Violation to User
11827: // case 0x0c: // DOS 3.0+ internal - Open Device and Set SFT Owner/Mode
11828: case 0x0d:
11829: {
11830: SYSTEMTIME time;
11831: FILETIME file_time;
11832: WORD dos_date, dos_time;
11833: GetLocalTime(&time);
11834: SystemTimeToFileTime(&time, &file_time);
11835: FileTimeToDosDateTime(&file_time, &dos_date, &dos_time);
11836: REG16(AX) = dos_date;
11837: REG16(DX) = dos_time;
11838: }
11839: break;
11840: // case 0x0e: // DOS 3.0+ internal - Mark All Disk Buffers Unreferenced
11841: // case 0x0f: // DOS 3.0+ internal - Make Buffer Most Recentry Used
11842: // case 0x10: // DOS 3.0+ internal - Find Unreferenced Disk Buffer
11843: case 0x11:
11844: {
11845: char path[MAX_PATH], *p;
11846: strcpy(path, (char *)(mem + SREG_BASE(DS) + REG16(SI)));
11847: my_strupr(path);
11848: while((p = my_strchr(path, '/')) != NULL) {
11849: *p = '\\';
11850: }
11851: strcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), path);
11852: }
11853: break;
11854: case 0x12:
11855: REG16(CX) = strlen((char *)(mem + SREG_BASE(ES) + REG16(DI)));
11856: break;
11857: case 0x13:
11858: {
11859: char tmp[2] = {0};
11860: tmp[0] = i386_read_stack();
11861: my_strupr(tmp);
11862: REG8(AL) = tmp[0];
11863: }
11864: break;
11865: case 0x14:
11866: #if defined(HAS_I386)
11867: m_ZF = (SREG_BASE(DS) + REG16(SI) == SREG_BASE(ES) + REG16(DI));
11868: #else
11869: m_ZeroVal = (SREG_BASE(DS) + REG16(SI) != SREG_BASE(ES) + REG16(DI));
11870: #endif
11871: m_CF = (SREG_BASE(DS) + REG16(SI) != SREG_BASE(ES) + REG16(DI));
11872: break;
11873: // case 0x15: // DOS 3.0+ internal - Flush Buffer
1.1.1.21 root 11874: case 0x16:
11875: if(REG16(BX) < 20) {
11876: SREG(ES) = SFT_TOP >> 4;
11877: i386_load_segment_descriptor(ES);
11878: REG16(DI) = 6 + 0x3b * REG16(BX);
11879:
11880: // update system file table
11881: UINT8* sft = mem + SFT_TOP + 6 + 0x3b * REG16(BX);
11882: if(file_handler[REG16(BX)].valid) {
11883: int count = 0;
11884: for(int i = 0; i < 20; i++) {
11885: if(msdos_psp_get_file_table(i, current_psp) == REG16(BX)) {
11886: count++;
11887: }
11888: }
11889: *(UINT16 *)(sft + 0x00) = count ? count : 0xffff;
11890: *(UINT32 *)(sft + 0x15) = _tell(REG16(BX));
11891: _lseek(REG16(BX), 0, SEEK_END);
11892: *(UINT32 *)(sft + 0x11) = _tell(REG16(BX));
11893: _lseek(REG16(BX), *(UINT32 *)(sft + 0x15), SEEK_SET);
11894: } else {
11895: memset(sft, 0, 0x3b);
11896: }
11897: } else {
11898: REG16(AX) = 0x06;
11899: m_CF = 1;
11900: }
11901: break;
1.1.1.29 root 11902: // case 0x17: // DOS 3.0+ internal - Get Current Directory Structure for Drive
11903: // case 0x18: // DOS 3.0+ internal - Get Caller's Registers
11904: // case 0x19: // DOS 3.0+ internal - Set Drive???
11905: case 0x1a:
11906: {
11907: char *path = (char *)(mem + SREG_BASE(DS) + REG16(SI)), full[MAX_PATH];
11908: if(path[1] == ':') {
11909: if(path[0] >= 'a' && path[0] <= 'z') {
11910: REG8(AL) = path[0] - 'a' + 1;
11911: } else if(path[0] >= 'A' && path[0] <= 'Z') {
11912: REG8(AL) = path[0] - 'A' + 1;
11913: } else {
11914: REG8(AL) = 0xff; // invalid
11915: }
11916: strcpy(full, path);
11917: strcpy(path, full + 2);
11918: } else if(GetFullPathName(path, MAX_PATH, full, NULL) != 0 && full[1] == ':') {
11919: if(full[0] >= 'a' && full[0] <= 'z') {
11920: REG8(AL) = full[0] - 'a' + 1;
11921: } else if(full[0] >= 'A' && full[0] <= 'Z') {
11922: REG8(AL) = full[0] - 'A' + 1;
11923: } else {
11924: REG8(AL) = 0xff; // invalid
11925: }
11926: } else {
11927: REG8(AL) = 0x00; // default
11928: }
11929: }
11930: break;
11931: case 0x1b:
11932: {
11933: int year = REG16(CX) + 1980;
11934: REG8(AL) = ((year % 4) == 0 && (year % 100) != 0 && (year % 400) == 0) ? 29 : 28;
11935: }
11936: break;
11937: // case 0x1c: // DOS 3.0+ internal - Check Sum Memory
11938: // case 0x1d: // DOS 3.0+ internal - Sum Memory
11939: case 0x1e:
11940: {
11941: char *path_1st = (char *)(mem + SREG_BASE(DS) + REG16(SI)), full_1st[MAX_PATH];
11942: char *path_2nd = (char *)(mem + SREG_BASE(ES) + REG16(DI)), full_2nd[MAX_PATH];
11943: if(GetFullPathName(path_1st, MAX_PATH, full_1st, NULL) != 0 && GetFullPathName(path_2nd, MAX_PATH, full_2nd, NULL) != 0) {
11944: #if defined(HAS_I386)
11945: m_ZF = (strcmp(full_1st, full_2nd) == 0);
11946: #else
11947: m_ZeroVal = (strcmp(full_1st, full_2nd) != 0);
11948: #endif
11949: } else {
11950: #if defined(HAS_I386)
11951: m_ZF = (strcmp(path_1st, path_2nd) == 0);
11952: #else
11953: m_ZeroVal = (strcmp(path_1st, path_2nd) != 0);
11954: #endif
11955: }
11956: }
11957: break;
11958: // case 0x1f: // DOS 3.0+ internal - Build Current Directory Structure
1.1.1.21 root 11959: case 0x20:
11960: {
11961: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
11962:
11963: if(fd < 20) {
11964: SREG(ES) = current_psp;
11965: i386_load_segment_descriptor(ES);
11966: REG16(DI) = offsetof(psp_t, file_table) + fd;
11967: } else {
11968: REG16(AX) = 0x06;
11969: m_CF = 1;
11970: }
11971: }
11972: break;
1.1.1.29 root 11973: case 0x21:
11974: msdos_int_21h_60h(0);
11975: break;
11976: // case 0x22: // DOS 3.0+ internal - Set Extended Error Info
11977: // case 0x23: // DOS 3.0+ internal - Check If Character Device
11978: // case 0x24: // DOS 3.0+ internal - Sharing Retry Delay
11979: case 0x25:
11980: REG16(CX) = strlen((char *)(mem + SREG_BASE(DS) + REG16(SI)));
11981: break;
11982: case 0x26:
11983: REG8(AL) = REG8(CL);
11984: msdos_int_21h_3dh();
11985: break;
11986: case 0x27:
11987: msdos_int_21h_3eh();
11988: break;
11989: case 0x28:
11990: REG16(AX) = REG16(BP);
11991: msdos_int_21h_42h();
11992: break;
11993: case 0x29:
11994: msdos_int_21h_3fh();
11995: break;
11996: // case 0x2a: // DOS 3.0+ internal - Set Fast Open Entry Point
11997: case 0x2b:
11998: REG16(AX) = REG16(BP);
11999: msdos_int_21h_44h();
12000: break;
12001: case 0x2c:
12002: REG16(BX) = DEVICE_TOP >> 4;
12003: REG16(AX) = 22;
12004: break;
12005: case 0x2d:
12006: {
12007: sda_t *sda = (sda_t *)(mem + SDA_TOP);
12008: REG16(AX) = sda->extended_error_code;
12009: }
12010: break;
12011: case 0x2e:
12012: if(REG8(DL) == 0x00 || REG8(DL) == 0x02 || REG8(DL) == 0x04 || REG8(DL) == 0x06) {
1.1.1.32 root 12013: SREG(ES) = 0x0001;
12014: i386_load_segment_descriptor(ES);
12015: REG16(DI) = 0x00;
12016: } else if(REG8(DL) == 0x08) {
12017: // dummy parameter error message read routine is at fffd:0010
12018: SREG(ES) = 0xfffd;
1.1.1.22 root 12019: i386_load_segment_descriptor(ES);
1.1.1.32 root 12020: REG16(DI) = 0x0010;
1.1.1.22 root 12021: }
12022: break;
1.1.1.29 root 12023: case 0x2f:
12024: if(REG16(DX) != 0) {
1.1.1.30 root 12025: dos_major_version = REG8(DL);
12026: dos_minor_version = REG8(DH);
1.1.1.29 root 12027: } else {
12028: REG8(DL) = 7;
12029: REG8(DH) = 10;
12030: }
12031: break;
12032: // case 0x30: // Windows95 - Find SFT Entry in Internal File Tables
12033: // case 0x31: // Windows95 - Set/Clear "Report Windows to DOS Programs" Flag
1.1.1.22 root 12034: default:
12035: 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));
12036: REG16(AX) = 0x01;
12037: m_CF = 1;
12038: break;
12039: }
12040: }
12041:
1.1.1.30 root 12042: inline void msdos_int_2fh_13h()
12043: {
12044: static UINT16 prevDS = 0, prevDX = 0;
12045: static UINT16 prevES = 0, prevBX = 0;
12046: UINT16 tmp;
12047:
12048: tmp = SREG(DS); SREG(DS) = prevDS; prevDS = tmp;
12049: i386_load_segment_descriptor(DS);
12050: tmp = REG16(DX); REG16(DX) = prevDX; prevDX = tmp;
12051:
12052: tmp = SREG(ES); SREG(ES) = prevES; prevES = tmp;
12053: i386_load_segment_descriptor(ES);
12054: tmp = REG16(BX); REG16(BX) = prevBX; prevBX = tmp;
12055: }
12056:
1.1.1.22 root 12057: inline void msdos_int_2fh_14h()
12058: {
12059: switch(REG8(AL)) {
12060: case 0x00:
1.1.1.29 root 12061: // NLSFUNC.COM is installed
12062: REG8(AL) = 0xff;
1.1.1.25 root 12063: break;
12064: case 0x01:
12065: case 0x03:
12066: REG8(AL) = 0x00;
12067: active_code_page = REG16(BX);
12068: msdos_nls_tables_update();
12069: break;
12070: case 0x02:
12071: REG8(AL) = get_extended_country_info(REG16(BP));
12072: break;
12073: case 0x04:
12074: REG8(AL) = 0x00;
12075: get_country_info((country_info_t *)(mem + SREG_BASE(ES) + REG16(DI)));
1.1.1.22 root 12076: break;
12077: default:
12078: 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));
12079: REG16(AX) = 0x01;
12080: m_CF = 1;
12081: break;
12082: }
12083: }
12084:
12085: inline void msdos_int_2fh_15h()
12086: {
12087: switch(REG8(AL)) {
1.1.1.29 root 12088: case 0x00: // CD-ROM - Installation Check
12089: if(REG16(BX) == 0x0000) {
12090: // MSCDEX is not installed
12091: // REG8(AL) = 0x00;
12092: } else {
12093: // GRAPHICS.COM is not installed
12094: // REG8(AL) = 0x00;
12095: }
1.1.1.22 root 12096: break;
12097: case 0xff:
1.1.1.29 root 12098: if(REG16(BX) == 0x0000) {
12099: // CORELCDX is not installed
12100: } else {
12101: 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));
12102: REG16(AX) = 0x01;
12103: m_CF = 1;
12104: }
1.1.1.22 root 12105: break;
1.1.1.21 root 12106: default:
1.1.1.22 root 12107: 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 12108: REG16(AX) = 0x01;
12109: m_CF = 1;
12110: break;
12111: }
12112: }
12113:
1.1 root 12114: inline void msdos_int_2fh_16h()
12115: {
12116: switch(REG8(AL)) {
12117: case 0x00:
1.1.1.14 root 12118: if(no_windows) {
1.1.1.29 root 12119: // neither Windows 3.x enhanced mode nor Windows/386 2.x running
12120: // REG8(AL) = 0x00;
1.1.1.14 root 12121: } else {
1.1.1.30 root 12122: REG8(AL) = win_major_version;
12123: REG8(AH) = win_minor_version;
1.1 root 12124: }
12125: break;
1.1.1.30 root 12126: case 0x05:
12127: // from DOSBox
12128: i386_set_a20_line(1);
12129: break;
1.1.1.22 root 12130: case 0x0a:
12131: if(!no_windows) {
12132: REG16(AX) = 0x0000;
1.1.1.30 root 12133: REG8(BH) = win_major_version;
12134: REG8(BL) = win_minor_version;
1.1.1.22 root 12135: REG16(CX) = 0x0003; // enhanced
12136: }
12137: break;
1.1.1.30 root 12138: case 0x0b:
12139: // no TRS, keep ES:DI = 0000h:0000h
1.1.1.22 root 12140: case 0x0e:
12141: case 0x0f:
1.1.1.30 root 12142: case 0x10:
1.1.1.22 root 12143: case 0x11:
12144: case 0x12:
12145: case 0x13:
12146: case 0x14:
1.1.1.30 root 12147: case 0x15:
1.1.1.33 root 12148: case 0x86:
1.1.1.22 root 12149: case 0x87:
1.1.1.30 root 12150: case 0x89:
1.1.1.33 root 12151: case 0x8a:
1.1.1.22 root 12152: // function not supported, do not clear AX
12153: break;
1.1.1.14 root 12154: case 0x80:
12155: Sleep(10);
1.1.1.35 root 12156: REQUEST_HARDWRE_UPDATE();
1.1.1.29 root 12157: REG8(AL) = 0x00;
1.1.1.14 root 12158: break;
1.1.1.33 root 12159: case 0x83:
12160: REG16(BX) = 0x01; // system vm id
12161: break;
1.1.1.22 root 12162: case 0x8e:
12163: REG16(AX) = 0x00; // failed
12164: break;
1.1.1.20 root 12165: case 0x8f:
12166: switch(REG8(DH)) {
12167: case 0x00:
12168: case 0x02:
12169: case 0x03:
12170: REG16(AX) = 0x00;
12171: break;
12172: case 0x01:
12173: REG16(AX) = 0x168f;
12174: break;
12175: }
12176: break;
1.1 root 12177: default:
1.1.1.22 root 12178: 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));
12179: REG16(AX) = 0x01;
12180: m_CF = 1;
12181: break;
12182: }
12183: }
12184:
12185: inline void msdos_int_2fh_19h()
12186: {
12187: switch(REG8(AL)) {
12188: case 0x00:
1.1.1.29 root 12189: // SHELLB.COM is not installed
12190: // REG8(AL) = 0x00;
1.1.1.22 root 12191: break;
12192: case 0x01:
12193: case 0x02:
12194: case 0x03:
12195: case 0x04:
12196: REG16(AX) = 0x01;
12197: m_CF = 1;
12198: break;
1.1.1.29 root 12199: case 0x80:
12200: // IBM ROM-DOS v4.0 is not installed
12201: // REG8(AL) = 0x00;
12202: break;
1.1.1.22 root 12203: default:
12204: 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 12205: REG16(AX) = 0x01;
1.1.1.3 root 12206: m_CF = 1;
1.1 root 12207: break;
12208: }
12209: }
12210:
12211: inline void msdos_int_2fh_1ah()
12212: {
12213: switch(REG8(AL)) {
12214: case 0x00:
1.1.1.29 root 12215: // ANSI.SYS is installed
1.1 root 12216: REG8(AL) = 0xff;
12217: break;
12218: default:
1.1.1.22 root 12219: 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));
12220: REG16(AX) = 0x01;
12221: m_CF = 1;
12222: break;
12223: }
12224: }
12225:
1.1.1.30 root 12226: inline void msdos_int_2fh_40h()
1.1.1.22 root 12227: {
12228: switch(REG8(AL)) {
12229: case 0x00:
1.1.1.30 root 12230: // Windows 3+ - Get Virtual Device Driver (VDD) Capabilities
12231: REG8(AL) = 0x01; // does not virtualize video access
1.1.1.22 root 12232: break;
12233: default:
12234: 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 12235: REG16(AX) = 0x01;
1.1.1.3 root 12236: m_CF = 1;
1.1 root 12237: break;
12238: }
12239: }
12240:
12241: inline void msdos_int_2fh_43h()
12242: {
12243: switch(REG8(AL)) {
12244: case 0x00:
1.1.1.29 root 12245: // XMS is installed ?
1.1.1.19 root 12246: #ifdef SUPPORT_XMS
12247: if(support_xms) {
12248: REG8(AL) = 0x80;
12249: } else
12250: #endif
12251: REG8(AL) = 0x00;
12252: break;
12253: case 0x10:
12254: SREG(ES) = XMS_TOP >> 4;
12255: i386_load_segment_descriptor(ES);
1.1.1.26 root 12256: REG16(BX) = 0x15;
1.1 root 12257: break;
12258: default:
1.1.1.22 root 12259: 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));
12260: REG16(AX) = 0x01;
12261: m_CF = 1;
12262: break;
12263: }
12264: }
12265:
12266: inline void msdos_int_2fh_46h()
12267: {
12268: switch(REG8(AL)) {
12269: case 0x80:
1.1.1.29 root 12270: // Windows v3.0 is not installed
12271: // REG8(AL) = 0x00;
1.1.1.22 root 12272: break;
12273: default:
12274: 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));
12275: REG16(AX) = 0x01;
12276: m_CF = 1;
12277: break;
12278: }
12279: }
12280:
12281: inline void msdos_int_2fh_48h()
12282: {
12283: switch(REG8(AL)) {
12284: case 0x00:
1.1.1.29 root 12285: // DOSKEY is not installed
12286: // REG8(AL) = 0x00;
1.1.1.22 root 12287: break;
12288: case 0x10:
12289: msdos_int_21h_0ah();
12290: REG16(AX) = 0x00;
12291: break;
12292: default:
12293: 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 12294: REG16(AX) = 0x01;
1.1.1.3 root 12295: m_CF = 1;
1.1 root 12296: break;
12297: }
12298: }
12299:
12300: inline void msdos_int_2fh_4ah()
12301: {
12302: switch(REG8(AL)) {
1.1.1.29 root 12303: #ifdef SUPPORT_HMA
12304: case 0x01: // DOS 5.0+ - Query Free HMA Space
12305: if(!is_hma_used_by_xms && !is_hma_used_by_int_2fh) {
12306: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
12307: // restore first free mcb in high memory area
12308: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
12309: }
12310: int offset = 0xffff;
12311: if((REG16(BX) = msdos_hma_mem_get_free(&offset)) != 0) {
12312: REG16(DI) = offset + 0x10;
12313: } else {
12314: REG16(DI) = 0xffff;
12315: }
12316: } else {
12317: // HMA is already used
12318: REG16(BX) = 0;
12319: REG16(DI) = 0xffff;
12320: }
12321: SREG(ES) = 0xffff;
12322: i386_load_segment_descriptor(ES);
12323: break;
12324: case 0x02: // DOS 5.0+ - Allocate HMA Space
12325: if(!is_hma_used_by_xms && !is_hma_used_by_int_2fh) {
12326: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
12327: // restore first free mcb in high memory area
12328: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
12329: }
12330: int size = REG16(BX), offset;
12331: if((size % 16) != 0) {
12332: size &= ~15;
12333: size += 16;
12334: }
12335: if((offset = msdos_hma_mem_alloc(size, current_psp)) != -1) {
12336: REG16(BX) = size;
12337: REG16(DI) = offset + 0x10;
12338: is_hma_used_by_int_2fh = true;
12339: } else {
12340: REG16(BX) = 0;
12341: REG16(DI) = 0xffff;
12342: }
12343: } else {
12344: // HMA is already used
12345: REG16(BX) = 0;
12346: REG16(DI) = 0xffff;
12347: }
12348: SREG(ES) = 0xffff;
12349: i386_load_segment_descriptor(ES);
12350: break;
12351: case 0x03: // Windows95 - (De)Allocate HMA Memory Block
12352: if(REG8(DL) == 0x00) {
12353: if(!is_hma_used_by_xms) {
12354: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
12355: // restore first free mcb in high memory area
12356: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
12357: is_hma_used_by_int_2fh = false;
12358: }
12359: int size = REG16(BX), offset;
12360: if((size % 16) != 0) {
12361: size &= ~15;
12362: size += 16;
12363: }
12364: if((offset = msdos_hma_mem_alloc(size, REG16(CX))) != -1) {
12365: // REG16(BX) = size;
12366: SREG(ES) = 0xffff;
12367: i386_load_segment_descriptor(ES);
12368: REG16(DI) = offset + 0x10;
12369: is_hma_used_by_int_2fh = true;
12370: } else {
12371: REG16(DI) = 0xffff;
12372: }
12373: } else {
12374: REG16(DI) = 0xffff;
12375: }
12376: } else if(REG8(DL) == 0x01) {
12377: if(!is_hma_used_by_xms) {
12378: int size = REG16(BX);
12379: if((size % 16) != 0) {
12380: size &= ~15;
12381: size += 16;
12382: }
12383: if(msdos_hma_mem_realloc(SREG_BASE(ES) + REG16(DI) - 0xffff0 - 0x10, size) != -1) {
12384: // memory block address is not changed
12385: } else {
12386: REG16(DI) = 0xffff;
12387: }
12388: } else {
12389: REG16(DI) = 0xffff;
12390: }
12391: } else if(REG8(DL) == 0x02) {
12392: if(!is_hma_used_by_xms) {
12393: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
12394: // restore first free mcb in high memory area
12395: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
12396: is_hma_used_by_int_2fh = false;
12397: } else {
12398: msdos_hma_mem_free(SREG_BASE(ES) + REG16(DI) - 0xffff0 - 0x10);
12399: if(msdos_hma_mem_get_free(NULL) == 0xffe0) {
12400: is_hma_used_by_int_2fh = false;
12401: }
12402: }
12403: }
12404: } else {
12405: 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));
12406: REG16(AX) = 0x01;
12407: m_CF = 1;
12408: }
12409: break;
12410: case 0x04: // Windows95 - Get Start of HMA Memory Chain
12411: if(!is_hma_used_by_xms) {
12412: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
12413: // restore first free mcb in high memory area
12414: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
12415: is_hma_used_by_int_2fh = false;
12416: }
12417: REG16(AX) = 0x0000;
12418: SREG(ES) = 0xffff;
12419: i386_load_segment_descriptor(ES);
12420: REG16(DI) = 0x10;
12421: }
12422: break;
12423: #else
1.1 root 12424: case 0x01:
12425: case 0x02:
1.1.1.29 root 12426: // HMA is already used
1.1.1.27 root 12427: REG16(BX) = 0x0000;
1.1.1.3 root 12428: SREG(ES) = 0xffff;
12429: i386_load_segment_descriptor(ES);
1.1 root 12430: REG16(DI) = 0xffff;
12431: break;
1.1.1.19 root 12432: case 0x03:
12433: // unable to allocate
12434: REG16(DI) = 0xffff;
12435: break;
12436: case 0x04:
12437: // function not supported, do not clear AX
12438: break;
1.1.1.29 root 12439: #endif
12440: case 0x10:
12441: if(REG16(BX) == 0x0000) {
12442: // SMARTDRV is not installed
12443: } else {
12444: 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));
12445: REG16(AX) = 0x01;
12446: m_CF = 1;
12447: }
12448: break;
12449: case 0x11:
12450: if(REG16(BX) == 0x0000) {
12451: // DBLSPACE.BIN is not installed
12452: } else {
12453: 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));
12454: REG16(AX) = 0x01;
12455: m_CF = 1;
12456: }
1.1.1.22 root 12457: break;
12458: default:
12459: 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));
12460: REG16(AX) = 0x01;
12461: m_CF = 1;
12462: break;
12463: }
12464: }
12465:
12466: inline void msdos_int_2fh_4bh()
12467: {
12468: switch(REG8(AL)) {
1.1.1.24 root 12469: case 0x01:
1.1.1.22 root 12470: case 0x02:
1.1.1.29 root 12471: // Task Switcher is not installed
1.1.1.24 root 12472: break;
12473: case 0x03:
12474: // this call is available from within DOSSHELL even if the task switcher is not installed
12475: REG16(AX) = REG16(BX) = 0x0000; // no more avaiable switcher id
1.1.1.22 root 12476: break;
1.1.1.30 root 12477: case 0x04:
12478: REG16(BX) = 0x0000; // free switcher id successfully
12479: break;
1.1 root 12480: default:
1.1.1.22 root 12481: 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 12482: REG16(AX) = 0x01;
1.1.1.3 root 12483: m_CF = 1;
1.1 root 12484: break;
12485: }
12486: }
12487:
12488: inline void msdos_int_2fh_4fh()
12489: {
12490: switch(REG8(AL)) {
12491: case 0x00:
1.1.1.29 root 12492: // BILING is installed
1.1.1.27 root 12493: REG16(AX) = 0x0000;
12494: REG8(DL) = 0x01; // major version
12495: REG8(DH) = 0x00; // minor version
1.1 root 12496: break;
12497: case 0x01:
1.1.1.27 root 12498: REG16(AX) = 0x0000;
1.1 root 12499: REG16(BX) = active_code_page;
12500: break;
12501: default:
1.1.1.22 root 12502: 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));
12503: REG16(AX) = 0x01;
12504: m_CF = 1;
12505: break;
12506: }
12507: }
12508:
12509: inline void msdos_int_2fh_55h()
12510: {
12511: switch(REG8(AL)) {
12512: case 0x00:
12513: case 0x01:
12514: // 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));
12515: break;
12516: default:
12517: 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 12518: REG16(AX) = 0x01;
1.1.1.3 root 12519: m_CF = 1;
1.1 root 12520: break;
12521: }
12522: }
12523:
1.1.1.24 root 12524: inline void msdos_int_2fh_adh()
12525: {
12526: switch(REG8(AL)) {
12527: case 0x00:
1.1.1.29 root 12528: // DISPLAY.SYS is installed
1.1.1.24 root 12529: REG8(AL) = 0xff;
12530: REG16(BX) = 0x100; // ???
12531: break;
12532: case 0x01:
12533: active_code_page = REG16(BX);
12534: msdos_nls_tables_update();
12535: REG16(AX) = 0x01;
12536: break;
12537: case 0x02:
12538: REG16(BX) = active_code_page;
12539: break;
12540: case 0x03:
12541: // FIXME
12542: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 1;
12543: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2) = 3;
12544: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4) = 1;
12545: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 6) = active_code_page;
12546: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 8) = active_code_page;
12547: break;
12548: case 0x80:
12549: break; // keyb.com is not installed
12550: default:
12551: 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));
12552: REG16(AX) = 0x01;
12553: m_CF = 1;
12554: break;
12555: }
12556: }
12557:
1.1 root 12558: inline void msdos_int_2fh_aeh()
12559: {
12560: switch(REG8(AL)) {
12561: case 0x00:
1.1.1.28 root 12562: // FIXME: we need to check the given command line
12563: REG8(AL) = 0x00; // the command should be executed as usual
12564: // REG8(AL) = 0xff; // this command is a TSR extension to COMMAND.COM
1.1 root 12565: break;
12566: case 0x01:
12567: {
12568: char command[MAX_PATH];
12569: memset(command, 0, sizeof(command));
1.1.1.3 root 12570: memcpy(command, mem + SREG_BASE(DS) + REG16(SI) + 1, mem[SREG_BASE(DS) + REG16(SI)]);
1.1 root 12571:
12572: param_block_t *param = (param_block_t *)(mem + WORK_TOP);
12573: param->env_seg = 0;
12574: param->cmd_line.w.l = 44;
12575: param->cmd_line.w.h = (WORK_TOP >> 4);
12576: param->fcb1.w.l = 24;
12577: param->fcb1.w.h = (WORK_TOP >> 4);
12578: param->fcb2.w.l = 24;
12579: param->fcb2.w.h = (WORK_TOP >> 4);
12580:
12581: memset(mem + WORK_TOP + 24, 0x20, 20);
12582:
12583: cmd_line_t *cmd_line = (cmd_line_t *)(mem + WORK_TOP + 44);
1.1.1.3 root 12584: cmd_line->len = mem[SREG_BASE(DS) + REG16(BX) + 1];
12585: memcpy(cmd_line->cmd, mem + SREG_BASE(DS) + REG16(BX) + 2, cmd_line->len);
1.1 root 12586: cmd_line->cmd[cmd_line->len] = 0x0d;
12587:
1.1.1.28 root 12588: try {
12589: msdos_process_exec(command, param, 0);
12590: } catch(...) {
12591: fatalerror("failed to start '%s' by int 2Fh, AX=AE01h\n", command);
1.1 root 12592: }
12593: }
12594: break;
12595: default:
1.1.1.22 root 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));
1.1 root 12597: REG16(AX) = 0x01;
1.1.1.3 root 12598: m_CF = 1;
1.1 root 12599: break;
12600: }
12601: }
12602:
1.1.1.34 root 12603: inline void msdos_int_2fh_b7h()
12604: {
12605: switch(REG8(AL)) {
12606: case 0x00:
12607: // APPEND is not installed
12608: // REG8(AL) = 0x00;
12609: break;
12610: case 0x07:
12611: // COMMAND.COM calls this service without checking APPEND is installed
12612: break;
12613: default:
12614: 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));
12615: REG16(AX) = 0x01;
12616: m_CF = 1;
12617: break;
12618: }
12619: }
12620:
1.1.1.24 root 12621: inline void msdos_int_33h_0000h()
12622: {
12623: REG16(AX) = 0xffff; // hardware/driver installed
12624: REG16(BX) = MAX_MOUSE_BUTTONS;
12625: }
12626:
12627: inline void msdos_int_33h_0001h()
12628: {
1.1.1.34 root 12629: if(mouse.hidden > 0) {
12630: mouse.hidden--;
12631: }
12632: if(mouse.hidden == 0) {
1.1.1.24 root 12633: if(!(dwConsoleMode & ENABLE_MOUSE_INPUT)) {
12634: SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), dwConsoleMode | ENABLE_MOUSE_INPUT);
12635: }
12636: pic[1].imr &= ~0x10; // enable irq12
12637: }
12638: }
12639:
12640: inline void msdos_int_33h_0002h()
12641: {
1.1.1.34 root 12642: mouse.hidden++;
12643: // SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), dwConsoleMode & ~ENABLE_MOUSE_INPUT);
12644: pic[1].imr |= 0x10; // enable irq12
1.1.1.24 root 12645: }
12646:
12647: inline void msdos_int_33h_0003h()
12648: {
1.1.1.34 root 12649: // if(mouse.hidden > 0) {
12650: update_console_input();
12651: // }
1.1.1.24 root 12652: REG16(BX) = mouse.get_buttons();
1.1.1.34 root 12653: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.position.x));
12654: REG16(DX) = max(mouse.min_position.y & ~7, min(mouse.max_position.y & ~7, mouse.position.y));
12655: }
12656:
12657: inline void msdos_int_33h_0004h()
12658: {
12659: mouse.position.x = REG16(CX);
12660: mouse.position.x = REG16(DX);
1.1.1.24 root 12661: }
12662:
12663: inline void msdos_int_33h_0005h()
12664: {
1.1.1.34 root 12665: // if(mouse.hidden > 0) {
12666: update_console_input();
12667: // }
1.1.1.24 root 12668: if(REG16(BX) < MAX_MOUSE_BUTTONS) {
12669: int idx = REG16(BX);
1.1.1.34 root 12670: REG16(BX) = min(mouse.buttons[idx].pressed_times, 0x7fff);
12671: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.buttons[idx].pressed_position.x));
12672: 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 12673: mouse.buttons[idx].pressed_times = 0;
12674: } else {
12675: REG16(BX) = REG16(CX) = REG16(DX) = 0x0000;
12676: }
12677: REG16(AX) = mouse.get_buttons();
12678: }
12679:
12680: inline void msdos_int_33h_0006h()
12681: {
1.1.1.34 root 12682: // if(mouse.hidden > 0) {
12683: update_console_input();
12684: // }
1.1.1.24 root 12685: if(REG16(BX) < MAX_MOUSE_BUTTONS) {
12686: int idx = REG16(BX);
1.1.1.34 root 12687: REG16(BX) = min(mouse.buttons[idx].released_times, 0x7fff);
12688: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.buttons[idx].released_position.x));
12689: 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 12690: mouse.buttons[idx].released_times = 0;
12691: } else {
12692: REG16(BX) = REG16(CX) = REG16(DX) = 0x0000;
12693: }
12694: REG16(AX) = mouse.get_buttons();
12695: }
12696:
12697: inline void msdos_int_33h_0007h()
12698: {
12699: mouse.min_position.x = min(REG16(CX), REG16(DX));
12700: mouse.max_position.x = max(REG16(CX), REG16(DX));
12701: }
12702:
12703: inline void msdos_int_33h_0008h()
12704: {
12705: mouse.min_position.y = min(REG16(CX), REG16(DX));
12706: mouse.max_position.y = max(REG16(CX), REG16(DX));
12707: }
12708:
12709: inline void msdos_int_33h_0009h()
12710: {
12711: mouse.hot_spot[0] = REG16(BX);
12712: mouse.hot_spot[1] = REG16(CX);
12713: }
12714:
12715: inline void msdos_int_33h_000bh()
12716: {
1.1.1.34 root 12717: // if(mouse.hidden > 0) {
12718: update_console_input();
12719: // }
1.1.1.24 root 12720: int dx = (mouse.position.x - mouse.prev_position.x) * mouse.mickey.x / 8;
12721: int dy = (mouse.position.y - mouse.prev_position.y) * mouse.mickey.y / 8;
12722: mouse.prev_position.x = mouse.position.x;
12723: mouse.prev_position.y = mouse.position.y;
12724: REG16(CX) = dx;
12725: REG16(DX) = dy;
12726: }
12727:
12728: inline void msdos_int_33h_000ch()
12729: {
12730: mouse.call_mask = REG16(CX);
12731: mouse.call_addr.w.l = REG16(DX);
12732: mouse.call_addr.w.h = SREG(ES);
12733: }
12734:
12735: inline void msdos_int_33h_000fh()
12736: {
12737: mouse.mickey.x = REG16(CX);
12738: mouse.mickey.y = REG16(DX);
12739: }
12740:
12741: inline void msdos_int_33h_0011h()
12742: {
12743: REG16(AX) = 0xffff;
12744: REG16(BX) = MAX_MOUSE_BUTTONS;
12745: }
12746:
12747: inline void msdos_int_33h_0014h()
12748: {
12749: UINT16 old_mask = mouse.call_mask;
12750: UINT16 old_ofs = mouse.call_addr.w.l;
12751: UINT16 old_seg = mouse.call_addr.w.h;
12752:
12753: mouse.call_mask = REG16(CX);
12754: mouse.call_addr.w.l = REG16(DX);
12755: mouse.call_addr.w.h = SREG(ES);
12756:
12757: REG16(CX) = old_mask;
12758: REG16(DX) = old_ofs;
12759: SREG(ES) = old_seg;
12760: i386_load_segment_descriptor(ES);
12761: }
12762:
12763: inline void msdos_int_33h_0015h()
12764: {
12765: REG16(BX) = sizeof(mouse);
12766: }
12767:
12768: inline void msdos_int_33h_0016h()
12769: {
12770: memcpy(mem + SREG_BASE(ES) + REG16(DX), &mouse, sizeof(mouse));
12771: }
12772:
12773: inline void msdos_int_33h_0017h()
12774: {
12775: memcpy(&mouse, mem + SREG_BASE(ES) + REG16(DX), sizeof(mouse));
12776: }
12777:
12778: inline void msdos_int_33h_001ah()
12779: {
12780: mouse.sensitivity[0] = REG16(BX);
12781: mouse.sensitivity[1] = REG16(CX);
12782: mouse.sensitivity[2] = REG16(DX);
12783: }
12784:
12785: inline void msdos_int_33h_001bh()
12786: {
12787: REG16(BX) = mouse.sensitivity[0];
12788: REG16(CX) = mouse.sensitivity[1];
12789: REG16(DX) = mouse.sensitivity[2];
12790: }
12791:
12792: inline void msdos_int_33h_001dh()
12793: {
12794: mouse.display_page = REG16(BX);
12795: }
12796:
12797: inline void msdos_int_33h_001eh()
12798: {
12799: REG16(BX) = mouse.display_page;
12800: }
12801:
1.1.1.34 root 12802: inline void msdos_int_33h_001fh()
12803: {
12804: // from DOSBox
12805: REG16(BX) = 0x0000;
12806: SREG(ES) = 0x0000;
12807: i386_load_segment_descriptor(ES);
12808: mouse.enabled = false;
12809: mouse.old_hidden = mouse.hidden;
12810: mouse.hidden = 1;
12811: }
12812:
12813: inline void msdos_int_33h_0020h()
12814: {
12815: // from DOSBox
12816: mouse.enabled = true;
12817: mouse.hidden = mouse.old_hidden;
12818: }
12819:
1.1.1.24 root 12820: inline void msdos_int_33h_0021h()
12821: {
12822: REG16(AX) = 0xffff;
12823: REG16(BX) = MAX_MOUSE_BUTTONS;
12824: }
12825:
12826: inline void msdos_int_33h_0022h()
12827: {
12828: mouse.language = REG16(BX);
12829: }
12830:
12831: inline void msdos_int_33h_0023h()
12832: {
12833: REG16(BX) = mouse.language;
12834: }
12835:
12836: inline void msdos_int_33h_0024h()
12837: {
12838: REG16(BX) = 0x0805; // V8.05
12839: REG16(CX) = 0x0400; // PS/2
12840: }
12841:
12842: inline void msdos_int_33h_0026h()
12843: {
12844: REG16(BX) = 0x0000;
12845: REG16(CX) = mouse.max_position.x;
12846: REG16(DX) = mouse.max_position.y;
12847: }
12848:
12849: inline void msdos_int_33h_002ah()
12850: {
1.1.1.34 root 12851: REG16(AX) = -mouse.hidden;
1.1.1.24 root 12852: REG16(BX) = mouse.hot_spot[0];
12853: REG16(CX) = mouse.hot_spot[1];
12854: REG16(DX) = 4; // PS/2
12855: }
12856:
12857: inline void msdos_int_33h_0031h()
12858: {
12859: REG16(AX) = mouse.min_position.x;
12860: REG16(BX) = mouse.min_position.y;
12861: REG16(CX) = mouse.max_position.x;
12862: REG16(DX) = mouse.max_position.y;
12863: }
12864:
12865: inline void msdos_int_33h_0032h()
12866: {
12867: REG16(AX) = 0;
12868: // REG16(AX) |= 0x8000; // 0025h
12869: REG16(AX) |= 0x4000; // 0026h
12870: // REG16(AX) |= 0x2000; // 0027h
12871: // REG16(AX) |= 0x1000; // 0028h
12872: // REG16(AX) |= 0x0800; // 0029h
12873: REG16(AX) |= 0x0400; // 002ah
12874: // REG16(AX) |= 0x0200; // 002bh
12875: // REG16(AX) |= 0x0100; // 002ch
12876: // REG16(AX) |= 0x0080; // 002dh
12877: // REG16(AX) |= 0x0040; // 002eh
12878: REG16(AX) |= 0x0020; // 002fh
12879: // REG16(AX) |= 0x0010; // 0030h
12880: REG16(AX) |= 0x0008; // 0031h
12881: REG16(AX) |= 0x0004; // 0032h
12882: // REG16(AX) |= 0x0002; // 0033h
12883: // REG16(AX) |= 0x0001; // 0034h
12884: }
12885:
1.1.1.19 root 12886: inline void msdos_int_67h_40h()
12887: {
12888: if(!support_ems) {
12889: REG8(AH) = 0x84;
12890: } else {
12891: REG8(AH) = 0x00;
12892: }
12893: }
12894:
12895: inline void msdos_int_67h_41h()
12896: {
12897: if(!support_ems) {
12898: REG8(AH) = 0x84;
12899: } else {
12900: REG8(AH) = 0x00;
12901: REG16(BX) = EMS_TOP >> 4;
12902: }
12903: }
12904:
12905: inline void msdos_int_67h_42h()
12906: {
12907: if(!support_ems) {
12908: REG8(AH) = 0x84;
12909: } else {
12910: REG8(AH) = 0x00;
12911: REG16(BX) = free_ems_pages;
12912: REG16(DX) = MAX_EMS_PAGES;
12913: }
12914: }
12915:
12916: inline void msdos_int_67h_43h()
12917: {
12918: if(!support_ems) {
12919: REG8(AH) = 0x84;
12920: } else if(REG16(BX) > MAX_EMS_PAGES) {
12921: REG8(AH) = 0x87;
12922: } else if(REG16(BX) > free_ems_pages) {
12923: REG8(AH) = 0x88;
12924: } else if(REG16(BX) == 0) {
12925: REG8(AH) = 0x89;
12926: } else {
1.1.1.31 root 12927: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 12928: if(!ems_handles[i].allocated) {
12929: ems_allocate_pages(i, REG16(BX));
12930: REG8(AH) = 0x00;
12931: REG16(DX) = i;
12932: return;
12933: }
12934: }
12935: REG8(AH) = 0x85;
12936: }
12937: }
12938:
12939: inline void msdos_int_67h_44h()
12940: {
12941: if(!support_ems) {
12942: REG8(AH) = 0x84;
1.1.1.31 root 12943: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 12944: REG8(AH) = 0x83;
12945: } else if(!(REG16(BX) == 0xffff || REG16(BX) < ems_handles[REG16(DX)].pages)) {
12946: REG8(AH) = 0x8a;
12947: // } else if(!(REG8(AL) < 4)) {
12948: // REG8(AH) = 0x8b;
12949: } else if(REG16(BX) == 0xffff) {
12950: ems_unmap_page(REG8(AL) & 3);
12951: REG8(AH) = 0x00;
12952: } else {
12953: ems_map_page(REG8(AL) & 3, REG16(DX), REG16(BX));
12954: REG8(AH) = 0x00;
12955: }
12956: }
12957:
12958: inline void msdos_int_67h_45h()
12959: {
12960: if(!support_ems) {
12961: REG8(AH) = 0x84;
1.1.1.31 root 12962: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 12963: REG8(AH) = 0x83;
12964: } else {
12965: ems_release_pages(REG16(DX));
12966: REG8(AH) = 0x00;
12967: }
12968: }
12969:
12970: inline void msdos_int_67h_46h()
12971: {
12972: if(!support_ems) {
12973: REG8(AH) = 0x84;
12974: } else {
1.1.1.29 root 12975: // REG16(AX) = 0x0032; // EMS 3.2
12976: REG16(AX) = 0x0040; // EMS 4.0
1.1.1.19 root 12977: }
12978: }
12979:
12980: inline void msdos_int_67h_47h()
12981: {
12982: // NOTE: the map data should be stored in the specified ems page, not process data
12983: process_t *process = msdos_process_info_get(current_psp);
12984:
12985: if(!support_ems) {
12986: REG8(AH) = 0x84;
1.1.1.31 root 12987: // } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 12988: // REG8(AH) = 0x83;
12989: } else if(process->ems_pages_stored) {
12990: REG8(AH) = 0x8d;
12991: } else {
12992: for(int i = 0; i < 4; i++) {
12993: process->ems_pages[i].handle = ems_pages[i].handle;
12994: process->ems_pages[i].page = ems_pages[i].page;
12995: process->ems_pages[i].mapped = ems_pages[i].mapped;
12996: }
12997: process->ems_pages_stored = true;
12998: REG8(AH) = 0x00;
12999: }
13000: }
13001:
13002: inline void msdos_int_67h_48h()
13003: {
13004: // NOTE: the map data should be restored from the specified ems page, not process data
13005: process_t *process = msdos_process_info_get(current_psp);
13006:
13007: if(!support_ems) {
13008: REG8(AH) = 0x84;
1.1.1.31 root 13009: // } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 13010: // REG8(AH) = 0x83;
13011: } else if(!process->ems_pages_stored) {
13012: REG8(AH) = 0x8e;
13013: } else {
13014: for(int i = 0; i < 4; i++) {
13015: if(process->ems_pages[i].mapped) {
13016: ems_map_page(i, process->ems_pages[i].handle, process->ems_pages[i].page);
13017: } else {
13018: ems_unmap_page(i);
13019: }
13020: }
13021: process->ems_pages_stored = false;
13022: REG8(AH) = 0x00;
13023: }
13024: }
13025:
13026: inline void msdos_int_67h_4bh()
13027: {
13028: if(!support_ems) {
13029: REG8(AH) = 0x84;
13030: } else {
13031: REG8(AH) = 0x00;
13032: REG16(BX) = 0;
1.1.1.31 root 13033: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 13034: if(ems_handles[i].allocated) {
13035: REG16(BX)++;
13036: }
13037: }
13038: }
13039: }
13040:
13041: inline void msdos_int_67h_4ch()
13042: {
13043: if(!support_ems) {
13044: REG8(AH) = 0x84;
1.1.1.31 root 13045: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 13046: REG8(AH) = 0x83;
13047: } else {
13048: REG8(AH) = 0x00;
13049: REG16(BX) = ems_handles[REG16(DX)].pages;
13050: }
13051: }
13052:
13053: inline void msdos_int_67h_4dh()
13054: {
13055: if(!support_ems) {
13056: REG8(AH) = 0x84;
13057: } else {
13058: REG8(AH) = 0x00;
13059: REG16(BX) = 0;
1.1.1.31 root 13060: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 13061: if(ems_handles[i].allocated) {
13062: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * REG16(BX) + 0) = i;
13063: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * REG16(BX) + 2) = ems_handles[i].pages;
13064: REG16(BX)++;
13065: }
13066: }
13067: }
13068: }
13069:
1.1.1.20 root 13070: inline void msdos_int_67h_4eh()
13071: {
13072: if(!support_ems) {
13073: REG8(AH) = 0x84;
13074: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01 || REG8(AL) == 0x02) {
13075: if(REG8(AL) == 0x00 || REG8(AL) == 0x02) {
13076: // save page map
13077: for(int i = 0; i < 4; i++) {
13078: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 0) = ems_pages[i].mapped ? ems_pages[i].handle : 0xffff;
13079: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 2) = ems_pages[i].mapped ? ems_pages[i].page : 0xffff;
13080: }
13081: }
13082: if(REG8(AL) == 0x01 || REG8(AL) == 0x02) {
13083: // restore page map
13084: for(int i = 0; i < 4; i++) {
13085: UINT16 handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 0);
13086: UINT16 page = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 2);
13087:
1.1.1.31 root 13088: if(handle >= 1 && handle <= MAX_EMS_HANDLES && ems_handles[handle].allocated && page < ems_handles[handle].pages) {
1.1.1.20 root 13089: ems_map_page(i, handle, page);
13090: } else {
13091: ems_unmap_page(i);
13092: }
13093: }
13094: }
13095: REG8(AH) = 0x00;
13096: } else if(REG8(AL) == 0x03) {
13097: REG8(AH) = 0x00;
1.1.1.21 root 13098: REG8(AL) = 4 * 4;
13099: } else {
1.1.1.22 root 13100: 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 13101: REG8(AH) = 0x8f;
13102: }
13103: }
13104:
13105: inline void msdos_int_67h_4fh()
13106: {
13107: if(!support_ems) {
13108: REG8(AH) = 0x84;
13109: } else if(REG8(AL) == 0x00) {
13110: int count = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI));
13111:
13112: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI)) = count;
13113: for(int i = 0; i < count; i++) {
13114: UINT16 segment = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 2 * i);
13115: UINT16 physical = ((segment << 4) - EMS_TOP) / 0x4000;
13116:
13117: // if(!(physical < 4)) {
13118: // REG8(AH) = 0x8b;
13119: // return;
13120: // }
13121: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2 + 6 * i + 0) = segment;
13122: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2 + 6 * i + 2) = ems_pages[physical & 3].handle;
13123: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2 + 6 * i + 4) = ems_pages[physical & 3].mapped ? ems_pages[physical & 3].page : 0xffff;
13124: }
13125: REG8(AH) = 0x00;
13126: } else if(REG8(AL) == 0x01) {
13127: int count = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI));
13128:
13129: for(int i = 0; i < count; i++) {
13130: UINT16 segment = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 6 * i + 0);
13131: UINT16 physical = ((segment << 4) - EMS_TOP) / 0x4000;
13132: UINT16 handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 6 * i + 2);
13133: UINT16 logical = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 6 * i + 4);
13134:
13135: // if(!(physical < 4)) {
13136: // REG8(AH) = 0x8b;
13137: // return;
13138: // } else
1.1.1.31 root 13139: if(!(handle >= 1 && handle <= MAX_EMS_HANDLES && ems_handles[handle].allocated)) {
1.1.1.21 root 13140: REG8(AH) = 0x83;
13141: return;
13142: } else if(logical == 0xffff) {
13143: ems_unmap_page(physical & 3);
13144: } else if(logical < ems_handles[handle].pages) {
13145: ems_map_page(physical & 3, handle, logical);
13146: } else {
13147: REG8(AH) = 0x8a;
13148: return;
13149: }
13150: }
13151: REG8(AH) = 0x00;
13152: } else if(REG8(AL) == 0x02) {
13153: REG8(AH) = 0x00;
13154: REG8(AL) = 2 + REG16(BX) * 6;
1.1.1.20 root 13155: } else {
1.1.1.22 root 13156: 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 13157: REG8(AH) = 0x8f;
13158: }
13159: }
13160:
13161: inline void msdos_int_67h_50h()
13162: {
13163: if(!support_ems) {
13164: REG8(AH) = 0x84;
1.1.1.31 root 13165: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.20 root 13166: REG8(AH) = 0x83;
13167: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
13168: for(int i = 0; i < REG16(CX); i++) {
13169: int logical = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 0);
13170: int physical = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 2);
13171:
13172: if(REG8(AL) == 0x01) {
13173: physical = ((physical << 4) - EMS_TOP) / 0x4000;
13174: }
13175: // if(!(physical < 4)) {
13176: // REG8(AH) = 0x8b;
13177: // return;
13178: // } else
13179: if(logical == 0xffff) {
13180: ems_unmap_page(physical & 3);
13181: } else if(logical < ems_handles[REG16(DX)].pages) {
13182: ems_map_page(physical & 3, REG16(DX), logical);
13183: } else {
13184: REG8(AH) = 0x8a;
13185: return;
13186: }
13187: }
13188: REG8(AH) = 0x00;
13189: } else {
1.1.1.22 root 13190: 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 13191: REG8(AH) = 0x8f;
13192: }
13193: }
13194:
1.1.1.19 root 13195: inline void msdos_int_67h_51h()
13196: {
13197: if(!support_ems) {
13198: REG8(AH) = 0x84;
1.1.1.31 root 13199: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 13200: REG8(AH) = 0x83;
13201: } else if(REG16(BX) > MAX_EMS_PAGES) {
13202: REG8(AH) = 0x87;
13203: } else if(REG16(BX) > free_ems_pages + ems_handles[REG16(DX)].pages) {
13204: REG8(AH) = 0x88;
13205: } else {
13206: ems_reallocate_pages(REG16(DX), REG16(BX));
13207: REG8(AH) = 0x00;
13208: }
13209: }
13210:
1.1.1.20 root 13211: inline void msdos_int_67h_52h()
13212: {
13213: if(!support_ems) {
13214: REG8(AH) = 0x84;
1.1.1.31 root 13215: // } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
13216: // REG8(AH) = 0x83;
1.1.1.20 root 13217: } else if(REG8(AL) == 0x00) {
13218: REG8(AL) = 0x00; // handle is volatile
13219: REG8(AH) = 0x00;
13220: } else if(REG8(AL) == 0x01) {
13221: if(REG8(BL) == 0x00) {
13222: REG8(AH) = 0x00;
13223: } else {
13224: REG8(AH) = 0x90; // undefined attribute type
13225: }
13226: } else if(REG8(AL) == 0x02) {
13227: REG8(AL) = 0x00; // only volatile handles supported
13228: REG8(AH) = 0x00;
13229: } else {
1.1.1.22 root 13230: 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 13231: REG8(AH) = 0x8f;
13232: }
13233: }
13234:
1.1.1.19 root 13235: inline void msdos_int_67h_53h()
13236: {
13237: if(!support_ems) {
13238: REG8(AH) = 0x84;
1.1.1.31 root 13239: } else if(!(REG16(DX) >= 1 && REG16(DX) <= MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
1.1.1.19 root 13240: REG8(AH) = 0x83;
13241: } else if(REG8(AL) == 0x00) {
13242: memcpy(mem + SREG_BASE(ES) + REG16(DI), ems_handles[REG16(DX)].name, 8);
13243: REG8(AH) = 0x00;
13244: } else if(REG8(AL) == 0x01) {
1.1.1.31 root 13245: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 13246: if(ems_handles[i].allocated && memcmp(ems_handles[REG16(DX)].name, mem + SREG_BASE(DS) + REG16(SI), 8) == 0) {
13247: REG8(AH) = 0xa1;
13248: return;
13249: }
13250: }
13251: REG8(AH) = 0x00;
13252: memcpy(ems_handles[REG16(DX)].name, mem + SREG_BASE(DS) + REG16(SI), 8);
13253: } else {
1.1.1.22 root 13254: 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 13255: REG8(AH) = 0x8f;
1.1.1.19 root 13256: }
13257: }
13258:
13259: inline void msdos_int_67h_54h()
13260: {
13261: if(!support_ems) {
13262: REG8(AH) = 0x84;
13263: } else if(REG8(AL) == 0x00) {
1.1.1.31 root 13264: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 13265: if(ems_handles[i].allocated) {
13266: memcpy(mem + SREG_BASE(ES) + REG16(DI) + 10 * i + 2, ems_handles[i].name, 10);
13267: } else {
13268: memset(mem + SREG_BASE(ES) + REG16(DI) + 10 * i + 2, 0, 10);
13269: }
13270: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 10 * i + 0) = i;
13271: }
13272: REG8(AH) = 0x00;
13273: REG8(AL) = MAX_EMS_HANDLES;
13274: } else if(REG8(AL) == 0x01) {
13275: REG8(AH) = 0xa0; // not found
1.1.1.31 root 13276: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.19 root 13277: if(ems_handles[i].allocated && memcmp(ems_handles[REG16(DX)].name, mem + SREG_BASE(DS) + REG16(SI), 8) == 0) {
13278: REG8(AH) = 0x00;
13279: REG16(DX) = i;
13280: break;
13281: }
13282: }
13283: } else if(REG8(AL) == 0x02) {
13284: REG8(AH) = 0x00;
13285: REG16(BX) = MAX_EMS_HANDLES;
13286: } else {
1.1.1.22 root 13287: 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 13288: REG8(AH) = 0x8f;
13289: }
13290: }
13291:
13292: inline void msdos_int_67h_57h_tmp()
13293: {
13294: UINT32 copy_length = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00);
13295: UINT8 src_type = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x04);
13296: UINT16 src_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x05);
13297: UINT16 src_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07);
13298: UINT16 src_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x09);
13299: UINT8 dest_type = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0b);
13300: UINT16 dest_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0c);
13301: UINT16 dest_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0e);
13302: UINT16 dest_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x10);
13303:
1.1.1.32 root 13304: UINT8 *src_buffer = NULL, *dest_buffer = NULL;
1.1.1.20 root 13305: UINT32 src_addr, dest_addr;
13306: UINT32 src_addr_max, dest_addr_max;
13307:
13308: if(src_type == 0) {
13309: src_buffer = mem;
13310: src_addr = (src_seg << 4) + src_ofs;
13311: src_addr_max = MAX_MEM;
13312: } else {
1.1.1.31 root 13313: if(!(src_handle >= 1 && src_handle <= MAX_EMS_HANDLES && ems_handles[src_handle].allocated)) {
1.1.1.20 root 13314: REG8(AH) = 0x83;
13315: return;
13316: } else if(!(src_seg < ems_handles[src_handle].pages)) {
13317: REG8(AH) = 0x8a;
13318: return;
13319: }
1.1.1.32 root 13320: if(ems_handles[src_handle].buffer != NULL) {
13321: src_buffer = ems_handles[src_handle].buffer + 0x4000 * src_seg;
13322: }
1.1.1.20 root 13323: src_addr = src_ofs;
1.1.1.32 root 13324: src_addr_max = 0x4000 * (ems_handles[src_handle].pages - src_seg);
1.1.1.20 root 13325: }
13326: if(dest_type == 0) {
13327: dest_buffer = mem;
13328: dest_addr = (dest_seg << 4) + dest_ofs;
13329: dest_addr_max = MAX_MEM;
13330: } else {
1.1.1.31 root 13331: if(!(dest_handle >= 1 && dest_handle <= MAX_EMS_HANDLES && ems_handles[dest_handle].allocated)) {
1.1.1.20 root 13332: REG8(AH) = 0x83;
13333: return;
13334: } else if(!(dest_seg < ems_handles[dest_handle].pages)) {
13335: REG8(AH) = 0x8a;
13336: return;
13337: }
1.1.1.32 root 13338: if(ems_handles[dest_handle].buffer != NULL) {
13339: dest_buffer = ems_handles[dest_handle].buffer + 0x4000 * dest_seg;
13340: }
1.1.1.20 root 13341: dest_addr = dest_ofs;
1.1.1.32 root 13342: dest_addr_max = 0x4000 * (ems_handles[dest_handle].pages - dest_seg);
1.1.1.20 root 13343: }
1.1.1.32 root 13344: if(src_buffer != NULL && dest_buffer != NULL) {
13345: for(int i = 0; i < copy_length; i++) {
13346: if(src_addr < src_addr_max && dest_addr < dest_addr_max) {
13347: if(REG8(AL) == 0x00) {
13348: dest_buffer[dest_addr++] = src_buffer[src_addr++];
13349: } else if(REG8(AL) == 0x01) {
13350: UINT8 tmp = dest_buffer[dest_addr];
13351: dest_buffer[dest_addr++] = src_buffer[src_addr];
13352: src_buffer[src_addr++] = tmp;
13353: }
13354: } else {
13355: REG8(AH) = 0x93;
13356: return;
1.1.1.20 root 13357: }
13358: }
1.1.1.32 root 13359: REG8(AH) = 0x00;
13360: } else {
13361: REG8(AH) = 0x80;
1.1.1.20 root 13362: }
13363: }
13364:
13365: inline void msdos_int_67h_57h()
13366: {
13367: if(!support_ems) {
13368: REG8(AH) = 0x84;
13369: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
13370: struct {
13371: UINT16 handle;
13372: UINT16 page;
13373: bool mapped;
13374: } tmp_pages[4];
13375:
13376: // unmap pages to copy memory data to ems buffer
13377: for(int i = 0; i < 4; i++) {
13378: tmp_pages[i].handle = ems_pages[i].handle;
13379: tmp_pages[i].page = ems_pages[i].page;
13380: tmp_pages[i].mapped = ems_pages[i].mapped;
13381: ems_unmap_page(i);
13382: }
13383:
13384: // run move/exchange operation
13385: msdos_int_67h_57h_tmp();
13386:
13387: // restore unmapped pages
13388: for(int i = 0; i < 4; i++) {
13389: if(tmp_pages[i].mapped) {
13390: ems_map_page(i, tmp_pages[i].handle, tmp_pages[i].page);
13391: }
13392: }
13393: } else {
1.1.1.22 root 13394: 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 13395: REG8(AH) = 0x8f;
13396: }
13397: }
13398:
13399: inline void msdos_int_67h_58h()
13400: {
13401: if(!support_ems) {
13402: REG8(AH) = 0x84;
13403: } else if(REG8(AL) == 0x00) {
13404: for(int i = 0; i < 4; i++) {
1.1.1.30 root 13405: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 0) = (EMS_TOP + 0x4000 * i) >> 4;
13406: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 2) = i;
1.1.1.20 root 13407: }
13408: REG8(AH) = 0x00;
13409: REG16(CX) = 4;
13410: } else if(REG8(AL) == 0x01) {
13411: REG8(AH) = 0x00;
13412: REG16(CX) = 4;
13413: } else {
1.1.1.22 root 13414: 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 13415: REG8(AH) = 0x8f;
13416: }
13417: }
13418:
13419: inline void msdos_int_67h_5ah()
13420: {
13421: if(!support_ems) {
1.1.1.19 root 13422: REG8(AH) = 0x84;
1.1.1.20 root 13423: } else if(REG16(BX) > MAX_EMS_PAGES) {
13424: REG8(AH) = 0x87;
13425: } else if(REG16(BX) > free_ems_pages) {
13426: REG8(AH) = 0x88;
13427: // } else if(REG16(BX) == 0) {
13428: // REG8(AH) = 0x89;
13429: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
1.1.1.31 root 13430: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.20 root 13431: if(!ems_handles[i].allocated) {
13432: ems_allocate_pages(i, REG16(BX));
13433: REG8(AH) = 0x00;
13434: REG16(DX) = i;
13435: return;
13436: }
13437: }
13438: REG8(AH) = 0x85;
13439: } else {
1.1.1.22 root 13440: 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 13441: REG8(AH) = 0x8f;
1.1.1.19 root 13442: }
13443: }
13444:
1.1.1.30 root 13445: inline void msdos_int_67h_deh()
13446: {
13447: REG8(AH) = 0x84;
13448: }
13449:
1.1.1.19 root 13450: #ifdef SUPPORT_XMS
13451:
1.1.1.32 root 13452: void msdos_xms_init()
1.1.1.26 root 13453: {
1.1.1.30 root 13454: emb_handle_top = (emb_handle_t *)calloc(1, sizeof(emb_handle_t));
13455: emb_handle_top->address = EMB_TOP;
13456: emb_handle_top->size_kb = (EMB_END - EMB_TOP) >> 10;
1.1.1.26 root 13457: xms_a20_local_enb_count = 0;
13458: }
13459:
1.1.1.32 root 13460: void msdos_xms_finish()
13461: {
13462: msdos_xms_release();
13463: }
13464:
13465: void msdos_xms_release()
1.1.1.30 root 13466: {
13467: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL;) {
13468: emb_handle_t *next_handle = emb_handle->next;
13469: free(emb_handle);
13470: emb_handle = next_handle;
13471: }
13472: }
13473:
13474: emb_handle_t *msdos_xms_get_emb_handle(int handle)
13475: {
13476: if(handle != 0) {
13477: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
13478: if(emb_handle->handle == handle) {
13479: return(emb_handle);
13480: }
13481: }
13482: }
13483: return(NULL);
13484: }
13485:
13486: int msdos_xms_get_unused_emb_handle_id()
13487: {
13488: for(int handle = 1;; handle++) {
13489: if(msdos_xms_get_emb_handle(handle) == NULL) {
13490: return(handle);
13491: }
13492: }
13493: return(0);
13494: }
13495:
13496: int msdos_xms_get_unused_emb_handle_count()
13497: {
13498: int count = 64; //255;
13499:
13500: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
13501: if(emb_handle->handle != 0) {
13502: if(--count == 1) {
13503: break;
13504: }
13505: }
13506: }
13507: return(count);
13508: }
13509:
13510: void msdos_xms_split_emb_handle(emb_handle_t *emb_handle, int size_kb)
13511: {
13512: if(emb_handle->size_kb > size_kb) {
13513: emb_handle_t *new_handle = (emb_handle_t *)calloc(1, sizeof(emb_handle_t));
13514:
13515: new_handle->address = emb_handle->address + size_kb * 1024;
13516: new_handle->size_kb = emb_handle->size_kb - size_kb;
13517: emb_handle->size_kb = size_kb;
13518:
13519: new_handle->prev = emb_handle;
13520: new_handle->next = emb_handle->next;
13521: if(emb_handle->next != NULL) {
13522: emb_handle->next->prev = new_handle;
13523: }
13524: emb_handle->next = new_handle;
13525: }
13526: }
13527:
13528: void msdos_xms_combine_emb_handles(emb_handle_t *emb_handle)
13529: {
13530: emb_handle_t *next_handle = emb_handle->next;
13531:
13532: if(next_handle != NULL) {
13533: emb_handle->size_kb += next_handle->size_kb;
13534:
13535: if(next_handle->next != NULL) {
13536: next_handle->next->prev = emb_handle;
13537: }
13538: emb_handle->next = next_handle->next;
13539: free(next_handle);
13540: }
13541: }
13542:
13543: emb_handle_t *msdos_xms_alloc_emb_handle(int size_kb)
13544: {
13545: emb_handle_t *target_handle = NULL;
13546:
13547: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
13548: if(emb_handle->handle == 0 && emb_handle->size_kb >= size_kb) {
13549: if(target_handle == NULL || target_handle->size_kb > emb_handle->size_kb) {
13550: target_handle = emb_handle;
13551: }
13552: }
13553: }
13554: if(target_handle != NULL) {
13555: if(target_handle->size_kb > size_kb) {
13556: msdos_xms_split_emb_handle(target_handle, size_kb);
13557: }
13558: // target_handle->handle = msdos_xms_get_unused_emb_handle_id();
13559: return(target_handle);
13560: }
13561: return(NULL);
13562: }
13563:
13564: void msdos_xms_free_emb_handle(emb_handle_t *emb_handle)
13565: {
13566: emb_handle_t *prev_handle = emb_handle->prev;
13567: emb_handle_t *next_handle = emb_handle->next;
13568:
13569: if(prev_handle != NULL && prev_handle->handle == 0) {
13570: msdos_xms_combine_emb_handles(prev_handle);
13571: emb_handle = prev_handle;
13572: }
13573: if(next_handle != NULL && next_handle->handle == 0) {
13574: msdos_xms_combine_emb_handles(emb_handle);
13575: }
13576: emb_handle->handle = 0;
13577: }
13578:
1.1.1.19 root 13579: inline void msdos_call_xms_00h()
13580: {
1.1.1.29 root 13581: #if defined(HAS_I386)
13582: REG16(AX) = 0x0300; // V3.00 (XMS Version)
13583: REG16(BX) = 0x035f; // V3.95 (Driver Revision)
13584: #else
13585: REG16(AX) = 0x0200; // V2.00 (XMS Version)
13586: REG16(BX) = 0x0270; // V2.70 (Driver Revision)
13587: #endif
13588: // REG16(DX) = 0x0000; // HMA does not exist
13589: REG16(DX) = 0x0001; // HMA does exist
1.1.1.19 root 13590: }
13591:
13592: inline void msdos_call_xms_01h()
13593: {
1.1.1.29 root 13594: if(REG8(AL) == 0x40) {
13595: // HIMEM.SYS will fail function 01h with error code 91h if AL=40h and
13596: // DX=KB free extended memory returned by last call of function 08h
13597: REG16(AX) = 0x0000;
13598: REG8(BL) = 0x91;
13599: REG16(DX) = xms_dx_after_call_08h;
13600: } else if(memcmp(mem + 0x100003, "VDISK", 5) == 0) {
13601: REG16(AX) = 0x0000;
13602: REG8(BL) = 0x81; // Vdisk was detected
13603: #ifdef SUPPORT_HMA
13604: } else if(is_hma_used_by_int_2fh) {
13605: REG16(AX) = 0x0000;
13606: REG8(BL) = 0x90; // HMA does not exist or is not managed by XMS provider
13607: } else if(is_hma_used_by_xms) {
13608: REG16(AX) = 0x0000;
13609: REG8(BL) = 0x91; // HMA is already in use
13610: } else {
13611: REG16(AX) = 0x0001;
13612: is_hma_used_by_xms = true;
13613: #else
13614: } else {
13615: REG16(AX) = 0x0000;
13616: REG8(BL) = 0x91; // HMA is already in use
13617: #endif
13618: }
1.1.1.19 root 13619: }
13620:
13621: inline void msdos_call_xms_02h()
13622: {
1.1.1.29 root 13623: if(memcmp(mem + 0x100003, "VDISK", 5) == 0) {
13624: REG16(AX) = 0x0000;
13625: REG8(BL) = 0x81; // Vdisk was detected
13626: #ifdef SUPPORT_HMA
13627: } else if(is_hma_used_by_int_2fh) {
13628: REG16(AX) = 0x0000;
13629: REG8(BL) = 0x90; // HMA does not exist or is not managed by XMS provider
13630: } else if(!is_hma_used_by_xms) {
13631: REG16(AX) = 0x0000;
13632: REG8(BL) = 0x93; // HMA is not allocated
13633: } else {
13634: REG16(AX) = 0x0001;
13635: is_hma_used_by_xms = false;
13636: // restore first free mcb in high memory area
13637: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
13638: #else
13639: } else {
13640: REG16(AX) = 0x0000;
13641: REG8(BL) = 0x91; // HMA is already in use
13642: #endif
13643: }
1.1.1.19 root 13644: }
13645:
13646: inline void msdos_call_xms_03h()
13647: {
13648: i386_set_a20_line(1);
13649: REG16(AX) = 0x0001;
13650: REG8(BL) = 0x00;
13651: }
13652:
13653: inline void msdos_call_xms_04h()
13654: {
1.1.1.21 root 13655: i386_set_a20_line(0);
13656: REG16(AX) = 0x0001;
13657: REG8(BL) = 0x00;
1.1.1.19 root 13658: }
13659:
13660: inline void msdos_call_xms_05h()
13661: {
13662: i386_set_a20_line(1);
13663: REG16(AX) = 0x0001;
13664: REG8(BL) = 0x00;
1.1.1.21 root 13665: xms_a20_local_enb_count++;
1.1.1.19 root 13666: }
13667:
13668: void msdos_call_xms_06h()
13669: {
1.1.1.21 root 13670: if(xms_a20_local_enb_count > 0) {
13671: xms_a20_local_enb_count--;
13672: }
13673: if(xms_a20_local_enb_count == 0) {
1.1.1.19 root 13674: i386_set_a20_line(0);
1.1.1.21 root 13675: }
13676: if((m_a20_mask >> 20) & 1) {
1.1.1.19 root 13677: REG16(AX) = 0x0000;
13678: REG8(BL) = 0x94;
1.1.1.21 root 13679: } else {
13680: REG16(AX) = 0x0001;
13681: REG8(BL) = 0x00;
1.1.1.19 root 13682: }
13683: }
13684:
13685: inline void msdos_call_xms_07h()
13686: {
13687: REG16(AX) = (m_a20_mask >> 20) & 1;
13688: REG8(BL) = 0x00;
13689: }
13690:
13691: inline void msdos_call_xms_08h()
13692: {
13693: REG16(AX) = REG16(DX) = 0x0000;
13694:
1.1.1.30 root 13695: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
13696: if(emb_handle->handle == 0) {
13697: if(REG16(AX) < emb_handle->size_kb) {
13698: REG16(AX) = emb_handle->size_kb;
1.1.1.19 root 13699: }
1.1.1.30 root 13700: REG16(DX) += emb_handle->size_kb;
1.1.1.19 root 13701: }
13702: }
13703:
13704: if(REG16(AX) == 0 && REG16(DX) == 0) {
13705: REG8(BL) = 0xa0;
13706: } else {
13707: REG8(BL) = 0x00;
13708: }
1.1.1.29 root 13709: xms_dx_after_call_08h = REG16(DX);
1.1.1.19 root 13710: }
13711:
1.1.1.30 root 13712: void msdos_call_xms_09h(int size_kb)
1.1.1.19 root 13713: {
1.1.1.30 root 13714: emb_handle_t *emb_handle = msdos_xms_alloc_emb_handle(size_kb);
13715:
13716: if(emb_handle != NULL) {
13717: emb_handle->handle = msdos_xms_get_unused_emb_handle_id();
13718:
13719: REG16(AX) = 0x0001;
13720: REG16(DX) = emb_handle->handle;
13721: REG8(BL) = 0x00;
13722: } else {
13723: REG16(AX) = REG16(DX) = 0x0000;
13724: REG8(BL) = 0xa0;
1.1.1.19 root 13725: }
1.1.1.30 root 13726: }
13727:
13728: inline void msdos_call_xms_09h()
13729: {
13730: msdos_call_xms_09h(REG16(DX));
1.1.1.19 root 13731: }
13732:
13733: inline void msdos_call_xms_0ah()
13734: {
1.1.1.30 root 13735: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
13736:
13737: if(emb_handle == NULL) {
1.1.1.19 root 13738: REG16(AX) = 0x0000;
13739: REG8(BL) = 0xa2;
1.1.1.30 root 13740: } else if(emb_handle->lock > 0) {
1.1.1.19 root 13741: REG16(AX) = 0x0000;
13742: REG8(BL) = 0xab;
13743: } else {
1.1.1.30 root 13744: msdos_xms_free_emb_handle(emb_handle);
1.1.1.19 root 13745:
13746: REG16(AX) = 0x0001;
13747: REG8(BL) = 0x00;
13748: }
13749: }
13750:
13751: inline void msdos_call_xms_0bh()
13752: {
13753: UINT32 copy_length = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00);
13754: UINT16 src_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x04);
13755: UINT32 src_addr = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x06);
13756: UINT16 dest_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0a);
13757: UINT32 dest_addr = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0c);
13758:
13759: UINT8 *src_buffer, *dest_buffer;
13760: UINT32 src_addr_max, dest_addr_max;
1.1.1.30 root 13761: emb_handle_t *emb_handle;
1.1.1.19 root 13762:
13763: if(src_handle == 0) {
13764: src_buffer = mem;
13765: src_addr = (((src_addr >> 16) & 0xffff) << 4) + (src_addr & 0xffff);
13766: src_addr_max = MAX_MEM;
1.1.1.30 root 13767:
1.1.1.19 root 13768: } else {
1.1.1.30 root 13769: if((emb_handle = msdos_xms_get_emb_handle(src_handle)) == NULL) {
1.1.1.19 root 13770: REG16(AX) = 0x0000;
13771: REG8(BL) = 0xa3;
13772: return;
13773: }
1.1.1.30 root 13774: src_buffer = mem + emb_handle->address;
13775: src_addr_max = emb_handle->size_kb * 1024;
1.1.1.19 root 13776: }
13777: if(dest_handle == 0) {
13778: dest_buffer = mem;
13779: dest_addr = (((dest_addr >> 16) & 0xffff) << 4) + (dest_addr & 0xffff);
13780: dest_addr_max = MAX_MEM;
13781: } else {
1.1.1.30 root 13782: if((emb_handle = msdos_xms_get_emb_handle(dest_handle)) == NULL) {
1.1.1.19 root 13783: REG16(AX) = 0x0000;
13784: REG8(BL) = 0xa5;
13785: return;
13786: }
1.1.1.30 root 13787: dest_buffer = mem + emb_handle->address;
13788: dest_addr_max = emb_handle->size_kb * 1024;
1.1.1.19 root 13789: }
13790: for(int i = 0; i < copy_length; i++) {
13791: if(src_addr < src_addr_max && dest_addr < dest_addr_max) {
13792: dest_buffer[dest_addr++] = src_buffer[src_addr++];
13793: } else {
13794: break;
13795: }
13796: }
13797: REG16(AX) = 0x0001;
13798: REG8(BL) = 0x00;
13799: }
13800:
13801: inline void msdos_call_xms_0ch()
13802: {
1.1.1.30 root 13803: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
13804:
13805: if(emb_handle == NULL) {
1.1.1.19 root 13806: REG16(AX) = 0x0000;
13807: REG8(BL) = 0xa2;
13808: } else {
1.1.1.30 root 13809: emb_handle->lock++;
1.1.1.19 root 13810: REG16(AX) = 0x0001;
13811: REG8(BL) = 0x00;
1.1.1.30 root 13812: REG16(DX) = (emb_handle->address >> 16) & 0xffff;
13813: REG16(BX) = (emb_handle->address ) & 0xffff;
1.1.1.19 root 13814: }
13815: }
13816:
13817: inline void msdos_call_xms_0dh()
13818: {
1.1.1.30 root 13819: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
13820:
13821: if(emb_handle == NULL) {
1.1.1.19 root 13822: REG16(AX) = 0x0000;
13823: REG8(BL) = 0xa2;
1.1.1.30 root 13824: } else if(!(emb_handle->lock > 0)) {
1.1.1.19 root 13825: REG16(AX) = 0x0000;
13826: REG8(BL) = 0xaa;
13827: } else {
1.1.1.30 root 13828: emb_handle->lock--;
1.1.1.19 root 13829: REG16(AX) = 0x0001;
13830: REG8(BL) = 0x00;
13831: }
13832: }
13833:
13834: inline void msdos_call_xms_0eh()
13835: {
1.1.1.30 root 13836: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
13837:
13838: if(emb_handle == NULL) {
1.1.1.19 root 13839: REG16(AX) = 0x0000;
13840: REG8(BL) = 0xa2;
13841: } else {
13842: REG16(AX) = 0x0001;
1.1.1.30 root 13843: REG8(BH) = emb_handle->lock;
13844: REG8(BL) = msdos_xms_get_unused_emb_handle_count();
13845: REG16(DX) = emb_handle->size_kb;
1.1.1.19 root 13846: }
13847: }
13848:
1.1.1.30 root 13849: void msdos_call_xms_0fh(int size_kb)
1.1.1.19 root 13850: {
1.1.1.30 root 13851: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
13852:
13853: if(emb_handle == NULL) {
1.1.1.19 root 13854: REG16(AX) = 0x0000;
13855: REG8(BL) = 0xa2;
1.1.1.30 root 13856: } else if(emb_handle->lock > 0) {
1.1.1.19 root 13857: REG16(AX) = 0x0000;
13858: REG8(BL) = 0xab;
13859: } else {
1.1.1.30 root 13860: if(emb_handle->size_kb < size_kb) {
13861: if(emb_handle->next != NULL && emb_handle->next->handle == 0 && (emb_handle->size_kb + emb_handle->next->size_kb) >= size_kb) {
13862: msdos_xms_combine_emb_handles(emb_handle);
13863: if(emb_handle->size_kb > size_kb) {
13864: msdos_xms_split_emb_handle(emb_handle, size_kb);
13865: }
13866: } else {
13867: int old_handle = emb_handle->handle;
13868: int old_size_kb = emb_handle->size_kb;
13869: UINT8 *buffer = (UINT8 *)malloc(old_size_kb * 1024);
13870:
13871: memcpy(buffer, mem + emb_handle->address, old_size_kb * 1024);
13872: msdos_xms_free_emb_handle(emb_handle);
13873:
13874: if((emb_handle = msdos_xms_alloc_emb_handle(size_kb)) == NULL) {
13875: emb_handle = msdos_xms_alloc_emb_handle(old_size_kb); // should be always successed
13876: }
13877: emb_handle->handle = old_handle;
13878: memcpy(mem + emb_handle->address, buffer, old_size_kb * 1024);
13879: free(buffer);
13880: }
13881: } else if(emb_handle->size_kb > size_kb) {
13882: msdos_xms_split_emb_handle(emb_handle, size_kb);
13883: }
13884: if(emb_handle->size_kb != size_kb) {
13885: REG16(AX) = 0x0000;
13886: REG8(BL) = 0xa0;
13887: } else {
13888: REG16(AX) = 0x0001;
13889: REG8(BL) = 0x00;
13890: }
1.1.1.19 root 13891: }
13892: }
13893:
1.1.1.30 root 13894: inline void msdos_call_xms_0fh()
13895: {
13896: msdos_call_xms_0fh(REG16(BX));
13897: }
13898:
1.1.1.19 root 13899: inline void msdos_call_xms_10h()
13900: {
13901: int seg;
13902:
13903: if((seg = msdos_mem_alloc(UMB_TOP >> 4, REG16(DX), 0)) != -1) {
13904: REG16(AX) = 0x0001;
13905: REG16(BX) = seg;
13906: } else {
13907: REG16(AX) = 0x0000;
13908: REG8(BL) = 0xb0;
13909: REG16(DX) = msdos_mem_get_free(UMB_TOP >> 4, 0);
13910: }
13911: }
13912:
13913: inline void msdos_call_xms_11h()
13914: {
13915: int mcb_seg = REG16(DX) - 1;
13916: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
13917:
13918: if(mcb->mz == 'M' || mcb->mz == 'Z') {
13919: msdos_mem_free(REG16(DX));
13920: REG16(AX) = 0x0001;
13921: REG8(BL) = 0x00;
13922: } else {
13923: REG16(AX) = 0x0000;
13924: REG8(BL) = 0xb2;
13925: }
13926: }
13927:
13928: inline void msdos_call_xms_12h()
13929: {
13930: int mcb_seg = REG16(DX) - 1;
13931: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
13932: int max_paragraphs;
13933:
13934: if(mcb->mz == 'M' || mcb->mz == 'Z') {
13935: if(!msdos_mem_realloc(REG16(DX), REG16(BX), &max_paragraphs)) {
13936: REG16(AX) = 0x0001;
13937: REG8(BL) = 0x00;
13938: } else {
13939: REG16(AX) = 0x0000;
13940: REG8(BL) = 0xb0;
13941: REG16(DX) = max_paragraphs;
13942: }
13943: } else {
13944: REG16(AX) = 0x0000;
13945: REG8(BL) = 0xb2;
13946: }
13947: }
13948:
1.1.1.29 root 13949: #if defined(HAS_I386)
13950:
13951: inline void msdos_call_xms_88h()
13952: {
13953: REG32(EAX) = REG32(EDX) = 0x0000;
13954:
1.1.1.30 root 13955: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
13956: if(emb_handle->handle == 0) {
13957: if(REG32(EAX) < emb_handle->size_kb) {
13958: REG32(EAX) = emb_handle->size_kb;
1.1.1.29 root 13959: }
1.1.1.30 root 13960: REG32(EDX) += emb_handle->size_kb;
1.1.1.29 root 13961: }
13962: }
13963:
13964: if(REG32(EAX) == 0 && REG32(EDX) == 0) {
13965: REG8(BL) = 0xa0;
13966: } else {
13967: REG8(BL) = 0x00;
13968: }
13969: REG32(ECX) = EMB_END - 1;
13970: }
13971:
13972: inline void msdos_call_xms_89h()
13973: {
1.1.1.30 root 13974: msdos_call_xms_09h(REG32(EDX));
1.1.1.29 root 13975: }
13976:
13977: inline void msdos_call_xms_8eh()
13978: {
1.1.1.30 root 13979: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
13980:
13981: if(emb_handle == NULL) {
1.1.1.29 root 13982: REG16(AX) = 0x0000;
13983: REG8(BL) = 0xa2;
13984: } else {
13985: REG16(AX) = 0x0001;
1.1.1.30 root 13986: REG8(BH) = emb_handle->lock;
13987: REG16(CX) = msdos_xms_get_unused_emb_handle_count();
13988: REG32(EDX) = emb_handle->size_kb;
1.1.1.29 root 13989: }
13990: }
13991:
13992: inline void msdos_call_xms_8fh()
13993: {
1.1.1.30 root 13994: msdos_call_xms_0fh(REG32(EBX));
1.1.1.29 root 13995: }
13996:
13997: #endif
1.1.1.19 root 13998: #endif
13999:
1.1.1.26 root 14000: UINT16 msdos_get_equipment()
14001: {
14002: static UINT16 equip = 0;
14003:
14004: if(equip == 0) {
14005: #ifdef SUPPORT_FPU
14006: equip |= (1 << 1); // 80x87 coprocessor installed
14007: #endif
14008: equip |= (1 << 2); // pointing device installed (PS/2)
14009: equip |= (2 << 4); // initial video mode (80x25 color)
14010: // equip |= (1 << 8); // 0 if DMA installed
14011: equip |= (2 << 9); // number of serial ports
14012: 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 14013:
14014: // check only A: and B: if it is floppy drive
14015: DWORD dwDrives = GetLogicalDrives();
14016: int n = 0;
14017: for(int i = 0; i < 2; i++) {
14018: if(dwDrives & (1 << i)) {
14019: char volume[] = "A:\\";
14020: volume[0] = 'A' + i;
14021: if(GetDriveType(volume) == DRIVE_REMOVABLE) {
14022: n++;
14023: }
14024: }
14025: }
14026: if(n != 0) {
14027: equip |= (1 << 0); // floppy disk(s) installed
14028: n--;
14029: equip |= (n << 6); // number of floppies installed less 1
14030: }
14031: // if(joyGetNumDevs() != 0) {
14032: // equip |= (1 << 12); // game port installed
14033: // }
1.1.1.26 root 14034: }
14035: return(equip);
14036: }
14037:
1.1 root 14038: void msdos_syscall(unsigned num)
14039: {
1.1.1.22 root 14040: #ifdef ENABLE_DEBUG_SYSCALL
14041: if(num == 0x68) {
14042: // dummy interrupt for EMS (int 67h)
1.1.1.33 root 14043: 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 14044: } else if(num == 0x69) {
14045: // dummy interrupt for XMS (call far)
1.1.1.33 root 14046: 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 14047: } else if(num == 0x6a) {
14048: // dummy interrupt for case map routine pointed in the country info
14049: } else {
1.1.1.33 root 14050: 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 14051: }
14052: #endif
1.1.1.36 root 14053: // update cursor position
14054: if(cursor_moved) {
14055: pcbios_update_cursor_position();
14056: cursor_moved = false;
14057: }
1.1.1.33 root 14058: ctrl_break_detected = ctrl_break_pressed = ctrl_c_pressed = false;
1.1.1.22 root 14059:
1.1 root 14060: switch(num) {
14061: case 0x00:
1.1.1.28 root 14062: try {
14063: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
14064: error("division by zero\n");
14065: } catch(...) {
14066: fatalerror("division by zero detected, and failed to terminate current process\n");
14067: }
1.1 root 14068: break;
14069: case 0x04:
1.1.1.28 root 14070: try {
14071: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
14072: error("overflow\n");
14073: } catch(...) {
14074: fatalerror("overflow detected, and failed to terminate current process\n");
14075: }
1.1 root 14076: break;
14077: case 0x06:
14078: // NOTE: ish.com has illegal instruction...
1.1.1.14 root 14079: if(!ignore_illegal_insn) {
1.1.1.28 root 14080: try {
14081: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
14082: error("illegal instruction\n");
14083: } catch(...) {
14084: fatalerror("illegal instruction detected, and failed to terminate current process\n");
14085: }
1.1.1.14 root 14086: } else {
14087: #if defined(HAS_I386)
14088: m_eip++;
14089: #else
14090: m_pc++;
14091: #endif
14092: }
1.1 root 14093: break;
1.1.1.33 root 14094: case 0x09:
14095: // ctrl-break is pressed
14096: if(raise_int_1bh) {
14097: #if defined(HAS_I386)
14098: m_ext = 0; // not an external interrupt
14099: i386_trap(0x1b, 1, 0);
14100: m_ext = 1;
14101: #else
14102: PREFIX86(_interrupt)(0x1b);
14103: #endif
14104: raise_int_1bh = false;
14105: }
1.1.1.8 root 14106: case 0x08:
1.1.1.14 root 14107: // pcbios_irq0(); // this causes too slow emulation...
1.1.1.8 root 14108: case 0x0b:
14109: case 0x0c:
14110: case 0x0d:
14111: case 0x0e:
14112: case 0x0f:
14113: // EOI
14114: pic[0].isr &= ~(1 << (num - 0x08));
14115: pic_update();
14116: break;
1.1 root 14117: case 0x10:
14118: // PC BIOS - Video
1.1.1.14 root 14119: if(!restore_console_on_exit) {
1.1.1.15 root 14120: change_console_size(scr_width, scr_height);
1.1 root 14121: }
1.1.1.3 root 14122: m_CF = 0;
1.1 root 14123: switch(REG8(AH)) {
1.1.1.16 root 14124: case 0x00: pcbios_int_10h_00h(); break;
1.1 root 14125: case 0x01: pcbios_int_10h_01h(); break;
14126: case 0x02: pcbios_int_10h_02h(); break;
14127: case 0x03: pcbios_int_10h_03h(); break;
14128: case 0x05: pcbios_int_10h_05h(); break;
14129: case 0x06: pcbios_int_10h_06h(); break;
14130: case 0x07: pcbios_int_10h_07h(); break;
14131: case 0x08: pcbios_int_10h_08h(); break;
14132: case 0x09: pcbios_int_10h_09h(); break;
14133: case 0x0a: pcbios_int_10h_0ah(); break;
14134: case 0x0b: break;
14135: case 0x0c: break;
14136: case 0x0d: break;
14137: case 0x0e: pcbios_int_10h_0eh(); break;
14138: case 0x0f: pcbios_int_10h_0fh(); break;
14139: case 0x10: break;
1.1.1.14 root 14140: case 0x11: pcbios_int_10h_11h(); break;
14141: case 0x12: pcbios_int_10h_12h(); break;
1.1 root 14142: case 0x13: pcbios_int_10h_13h(); break;
1.1.1.30 root 14143: case 0x18: pcbios_int_10h_18h(); break;
1.1.1.14 root 14144: case 0x1a: pcbios_int_10h_1ah(); break;
1.1.1.24 root 14145: case 0x1b: REG8(AL) = 0x00; break; // functionality/state information is not supported
14146: case 0x1c: REG8(AL) = 0x00; break; // save/restore video state is not supported
1.1 root 14147: case 0x1d: pcbios_int_10h_1dh(); break;
1.1.1.24 root 14148: case 0x1e: REG8(AL) = 0x00; break; // flat-panel functions are not supported
14149: case 0x1f: REG8(AL) = 0x00; break; // xga functions are not supported
1.1.1.22 root 14150: case 0x4f: pcbios_int_10h_4fh(); break;
1.1.1.30 root 14151: case 0x6f: break;
1.1.1.22 root 14152: case 0x80: m_CF = 1; break; // unknown
14153: case 0x81: m_CF = 1; break; // unknown
1.1 root 14154: case 0x82: pcbios_int_10h_82h(); break;
1.1.1.22 root 14155: case 0x83: pcbios_int_10h_83h(); break;
14156: case 0x8b: break;
14157: case 0x8c: m_CF = 1; break; // unknown
14158: case 0x8d: m_CF = 1; break; // unknown
14159: case 0x8e: m_CF = 1; break; // unknown
14160: case 0x90: pcbios_int_10h_90h(); break;
14161: case 0x91: pcbios_int_10h_91h(); break;
14162: case 0x92: break;
14163: case 0x93: break;
14164: case 0xef: pcbios_int_10h_efh(); break;
1.1.1.24 root 14165: case 0xfa: break; // ega register interface library is not installed
1.1 root 14166: case 0xfe: pcbios_int_10h_feh(); break;
14167: case 0xff: pcbios_int_10h_ffh(); break;
14168: default:
1.1.1.22 root 14169: 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));
14170: m_CF = 1;
1.1 root 14171: break;
14172: }
14173: break;
14174: case 0x11:
14175: // PC BIOS - Get Equipment List
1.1.1.26 root 14176: REG16(AX) = msdos_get_equipment();
1.1 root 14177: break;
14178: case 0x12:
14179: // PC BIOS - Get Memory Size
1.1.1.33 root 14180: REG16(AX) = *(UINT16 *)(mem + 0x413);
1.1 root 14181: break;
14182: case 0x13:
14183: // PC BIOS - Disk
1.1.1.22 root 14184: // 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 14185: REG8(AH) = 0xff;
1.1.1.3 root 14186: m_CF = 1;
1.1 root 14187: break;
14188: case 0x14:
14189: // PC BIOS - Serial I/O
1.1.1.25 root 14190: switch(REG8(AH)) {
14191: case 0x00: pcbios_int_14h_00h(); break;
14192: case 0x01: pcbios_int_14h_01h(); break;
14193: case 0x02: pcbios_int_14h_02h(); break;
14194: case 0x03: pcbios_int_14h_03h(); break;
14195: case 0x04: pcbios_int_14h_04h(); break;
14196: case 0x05: pcbios_int_14h_05h(); break;
14197: default:
14198: 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));
14199: break;
14200: }
1.1 root 14201: break;
14202: case 0x15:
14203: // PC BIOS
1.1.1.3 root 14204: m_CF = 0;
1.1 root 14205: switch(REG8(AH)) {
1.1.1.14 root 14206: case 0x10: pcbios_int_15h_10h(); break;
1.1 root 14207: case 0x23: pcbios_int_15h_23h(); break;
14208: case 0x24: pcbios_int_15h_24h(); break;
1.1.1.24 root 14209: case 0x41: break;
1.1 root 14210: case 0x49: pcbios_int_15h_49h(); break;
1.1.1.22 root 14211: case 0x50: pcbios_int_15h_50h(); break;
1.1.1.30 root 14212: case 0x53: pcbios_int_15h_53h(); break;
1.1 root 14213: case 0x86: pcbios_int_15h_86h(); break;
14214: case 0x87: pcbios_int_15h_87h(); break;
14215: case 0x88: pcbios_int_15h_88h(); break;
14216: case 0x89: pcbios_int_15h_89h(); break;
1.1.1.21 root 14217: case 0x8a: pcbios_int_15h_8ah(); break;
1.1.1.22 root 14218: case 0xc0: // PS/2 ???
14219: case 0xc1:
14220: case 0xc2:
1.1.1.30 root 14221: case 0xc3: // PS50+ ???
14222: case 0xc4:
1.1.1.22 root 14223: REG8(AH) = 0x86;
14224: m_CF = 1;
14225: break;
1.1.1.3 root 14226: #if defined(HAS_I386)
1.1 root 14227: case 0xc9: pcbios_int_15h_c9h(); break;
1.1.1.3 root 14228: #endif
1.1 root 14229: case 0xca: pcbios_int_15h_cah(); break;
1.1.1.22 root 14230: case 0xe8: pcbios_int_15h_e8h(); break;
1.1 root 14231: default:
1.1.1.22 root 14232: 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));
14233: REG8(AH) = 0x86;
1.1.1.3 root 14234: m_CF = 1;
1.1 root 14235: break;
14236: }
14237: break;
14238: case 0x16:
14239: // PC BIOS - Keyboard
1.1.1.3 root 14240: m_CF = 0;
1.1 root 14241: switch(REG8(AH)) {
14242: case 0x00: pcbios_int_16h_00h(); break;
14243: case 0x01: pcbios_int_16h_01h(); break;
14244: case 0x02: pcbios_int_16h_02h(); break;
14245: case 0x03: pcbios_int_16h_03h(); break;
14246: case 0x05: pcbios_int_16h_05h(); break;
14247: case 0x10: pcbios_int_16h_00h(); break;
14248: case 0x11: pcbios_int_16h_01h(); break;
14249: case 0x12: pcbios_int_16h_12h(); break;
14250: case 0x13: pcbios_int_16h_13h(); break;
14251: case 0x14: pcbios_int_16h_14h(); break;
1.1.1.24 root 14252: case 0x55: pcbios_int_16h_55h(); break;
1.1.1.30 root 14253: case 0x6f: pcbios_int_16h_6fh(); break;
1.1.1.22 root 14254: case 0xda: break; // unknown
14255: case 0xff: break; // unknown
1.1 root 14256: default:
1.1.1.22 root 14257: 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 14258: break;
14259: }
14260: break;
14261: case 0x17:
14262: // PC BIOS - Printer
1.1.1.37! root 14263: m_CF = 0;
! 14264: switch(REG8(AH)) {
! 14265: case 0x00: pcbios_int_17h_00h(); break;
! 14266: case 0x01: pcbios_int_17h_01h(); break;
! 14267: case 0x02: pcbios_int_17h_02h(); break;
! 14268: case 0x03: pcbios_int_17h_03h(); break;
! 14269: case 0x50: pcbios_int_17h_50h(); break;
! 14270: case 0x51: pcbios_int_17h_51h(); break;
! 14271: case 0x52: pcbios_int_17h_52h(); break;
! 14272: case 0x84: pcbios_int_17h_84h(); break;
! 14273: case 0x85: pcbios_int_17h_85h(); break;
! 14274: default:
! 14275: 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));
! 14276: break;
! 14277: }
1.1 root 14278: break;
14279: case 0x1a:
14280: // PC BIOS - Timer
1.1.1.3 root 14281: m_CF = 0;
1.1 root 14282: switch(REG8(AH)) {
14283: case 0x00: pcbios_int_1ah_00h(); break;
14284: case 0x01: break;
14285: case 0x02: pcbios_int_1ah_02h(); break;
14286: case 0x03: break;
14287: case 0x04: pcbios_int_1ah_04h(); break;
14288: case 0x05: break;
14289: case 0x0a: pcbios_int_1ah_0ah(); break;
14290: case 0x0b: break;
1.1.1.14 root 14291: case 0x35: break; // Word Perfect Third Party Interface?
14292: case 0x36: break; // Word Perfect Third Party Interface
14293: case 0x70: break; // SNAP? (Simple Network Application Protocol)
1.1 root 14294: default:
1.1.1.22 root 14295: 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 14296: break;
14297: }
14298: break;
1.1.1.33 root 14299: case 0x1b:
14300: mem[0x471] = 0x00;
14301: break;
1.1 root 14302: case 0x20:
1.1.1.28 root 14303: try {
14304: msdos_process_terminate(SREG(CS), retval, 1);
14305: } catch(...) {
14306: fatalerror("failed to terminate the process (PSP=%04X) by int 20h\n", SREG(CS));
14307: }
1.1 root 14308: break;
14309: case 0x21:
14310: // MS-DOS System Call
1.1.1.3 root 14311: m_CF = 0;
1.1.1.28 root 14312: try {
14313: switch(REG8(AH)) {
14314: case 0x00: msdos_int_21h_00h(); break;
14315: case 0x01: msdos_int_21h_01h(); break;
14316: case 0x02: msdos_int_21h_02h(); break;
14317: case 0x03: msdos_int_21h_03h(); break;
14318: case 0x04: msdos_int_21h_04h(); break;
14319: case 0x05: msdos_int_21h_05h(); break;
14320: case 0x06: msdos_int_21h_06h(); break;
14321: case 0x07: msdos_int_21h_07h(); break;
14322: case 0x08: msdos_int_21h_08h(); break;
14323: case 0x09: msdos_int_21h_09h(); break;
14324: case 0x0a: msdos_int_21h_0ah(); break;
14325: case 0x0b: msdos_int_21h_0bh(); break;
14326: case 0x0c: msdos_int_21h_0ch(); break;
14327: case 0x0d: msdos_int_21h_0dh(); break;
14328: case 0x0e: msdos_int_21h_0eh(); break;
14329: case 0x0f: msdos_int_21h_0fh(); break;
14330: case 0x10: msdos_int_21h_10h(); break;
14331: case 0x11: msdos_int_21h_11h(); break;
14332: case 0x12: msdos_int_21h_12h(); break;
14333: case 0x13: msdos_int_21h_13h(); break;
14334: case 0x14: msdos_int_21h_14h(); break;
14335: case 0x15: msdos_int_21h_15h(); break;
14336: case 0x16: msdos_int_21h_16h(); break;
14337: case 0x17: msdos_int_21h_17h(); break;
14338: case 0x18: msdos_int_21h_18h(); break;
14339: case 0x19: msdos_int_21h_19h(); break;
14340: case 0x1a: msdos_int_21h_1ah(); break;
14341: case 0x1b: msdos_int_21h_1bh(); break;
14342: case 0x1c: msdos_int_21h_1ch(); break;
14343: case 0x1d: msdos_int_21h_1dh(); break;
14344: case 0x1e: msdos_int_21h_1eh(); break;
14345: case 0x1f: msdos_int_21h_1fh(); break;
14346: case 0x20: msdos_int_21h_20h(); break;
14347: case 0x21: msdos_int_21h_21h(); break;
14348: case 0x22: msdos_int_21h_22h(); break;
14349: case 0x23: msdos_int_21h_23h(); break;
14350: case 0x24: msdos_int_21h_24h(); break;
14351: case 0x25: msdos_int_21h_25h(); break;
14352: case 0x26: msdos_int_21h_26h(); break;
14353: case 0x27: msdos_int_21h_27h(); break;
14354: case 0x28: msdos_int_21h_28h(); break;
14355: case 0x29: msdos_int_21h_29h(); break;
14356: case 0x2a: msdos_int_21h_2ah(); break;
14357: case 0x2b: msdos_int_21h_2bh(); break;
14358: case 0x2c: msdos_int_21h_2ch(); break;
14359: case 0x2d: msdos_int_21h_2dh(); break;
14360: case 0x2e: msdos_int_21h_2eh(); break;
14361: case 0x2f: msdos_int_21h_2fh(); break;
14362: case 0x30: msdos_int_21h_30h(); break;
14363: case 0x31: msdos_int_21h_31h(); break;
14364: case 0x32: msdos_int_21h_32h(); break;
14365: case 0x33: msdos_int_21h_33h(); break;
14366: case 0x34: msdos_int_21h_34h(); break;
14367: case 0x35: msdos_int_21h_35h(); break;
14368: case 0x36: msdos_int_21h_36h(); break;
14369: case 0x37: msdos_int_21h_37h(); break;
14370: case 0x38: msdos_int_21h_38h(); break;
14371: case 0x39: msdos_int_21h_39h(0); break;
14372: case 0x3a: msdos_int_21h_3ah(0); break;
14373: case 0x3b: msdos_int_21h_3bh(0); break;
14374: case 0x3c: msdos_int_21h_3ch(); break;
14375: case 0x3d: msdos_int_21h_3dh(); break;
14376: case 0x3e: msdos_int_21h_3eh(); break;
14377: case 0x3f: msdos_int_21h_3fh(); break;
14378: case 0x40: msdos_int_21h_40h(); break;
14379: case 0x41: msdos_int_21h_41h(0); break;
14380: case 0x42: msdos_int_21h_42h(); break;
14381: case 0x43: msdos_int_21h_43h(0); break;
14382: case 0x44: msdos_int_21h_44h(); break;
14383: case 0x45: msdos_int_21h_45h(); break;
14384: case 0x46: msdos_int_21h_46h(); break;
14385: case 0x47: msdos_int_21h_47h(0); break;
14386: case 0x48: msdos_int_21h_48h(); break;
14387: case 0x49: msdos_int_21h_49h(); break;
14388: case 0x4a: msdos_int_21h_4ah(); break;
14389: case 0x4b: msdos_int_21h_4bh(); break;
14390: case 0x4c: msdos_int_21h_4ch(); break;
14391: case 0x4d: msdos_int_21h_4dh(); break;
14392: case 0x4e: msdos_int_21h_4eh(); break;
14393: case 0x4f: msdos_int_21h_4fh(); break;
14394: case 0x50: msdos_int_21h_50h(); break;
14395: case 0x51: msdos_int_21h_51h(); break;
14396: case 0x52: msdos_int_21h_52h(); break;
1.1.1.33 root 14397: // 0x53: Translate BIOS Parameter Block to Drive Param Bock
1.1.1.28 root 14398: case 0x54: msdos_int_21h_54h(); break;
14399: case 0x55: msdos_int_21h_55h(); break;
14400: case 0x56: msdos_int_21h_56h(0); break;
14401: case 0x57: msdos_int_21h_57h(); break;
14402: case 0x58: msdos_int_21h_58h(); break;
14403: case 0x59: msdos_int_21h_59h(); break;
14404: case 0x5a: msdos_int_21h_5ah(); break;
14405: case 0x5b: msdos_int_21h_5bh(); break;
14406: case 0x5c: msdos_int_21h_5ch(); break;
14407: case 0x5d: msdos_int_21h_5dh(); break;
1.1.1.33 root 14408: // 0x5e: MS-Network
1.1.1.30 root 14409: case 0x5f: msdos_int_21h_5fh(); break;
1.1.1.28 root 14410: case 0x60: msdos_int_21h_60h(0); break;
14411: case 0x61: msdos_int_21h_61h(); break;
14412: case 0x62: msdos_int_21h_62h(); break;
14413: case 0x63: msdos_int_21h_63h(); break;
1.1.1.33 root 14414: // 0x64: Set Device Driver Lockahead Flag
1.1.1.28 root 14415: case 0x65: msdos_int_21h_65h(); break;
14416: case 0x66: msdos_int_21h_66h(); break;
14417: case 0x67: msdos_int_21h_67h(); break;
14418: case 0x68: msdos_int_21h_68h(); break;
14419: case 0x69: msdos_int_21h_69h(); break;
14420: case 0x6a: msdos_int_21h_6ah(); break;
14421: case 0x6b: msdos_int_21h_6bh(); break;
14422: case 0x6c: msdos_int_21h_6ch(0); break;
1.1.1.33 root 14423: // 0x6d: Find First ROM Program
14424: // 0x6e: Find Next ROM Program
14425: // 0x6f: Get/Set ROM Scan Start Address
14426: // 0x70: Windows95 - Get/Set Internationalization Information
1.1.1.28 root 14427: case 0x71:
1.1.1.33 root 14428: // Windows95 - Long Filename Functions
1.1.1.28 root 14429: switch(REG8(AL)) {
14430: case 0x0d: msdos_int_21h_710dh(); break;
14431: case 0x39: msdos_int_21h_39h(1); break;
14432: case 0x3a: msdos_int_21h_3ah(1); break;
14433: case 0x3b: msdos_int_21h_3bh(1); break;
14434: case 0x41: msdos_int_21h_7141h(1); break;
14435: case 0x43: msdos_int_21h_43h(1); break;
14436: case 0x47: msdos_int_21h_47h(1); break;
14437: case 0x4e: msdos_int_21h_714eh(); break;
14438: case 0x4f: msdos_int_21h_714fh(); break;
14439: case 0x56: msdos_int_21h_56h(1); break;
14440: case 0x60: msdos_int_21h_60h(1); break;
14441: case 0x6c: msdos_int_21h_6ch(1); break;
14442: case 0xa0: msdos_int_21h_71a0h(); break;
14443: case 0xa1: msdos_int_21h_71a1h(); break;
14444: case 0xa6: msdos_int_21h_71a6h(); break;
14445: case 0xa7: msdos_int_21h_71a7h(); break;
14446: case 0xa8: msdos_int_21h_71a8h(); break;
1.1.1.33 root 14447: // 0xa9: Server Create/Open File
1.1.1.28 root 14448: case 0xaa: msdos_int_21h_71aah(); break;
14449: default:
14450: 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));
14451: REG16(AX) = 0x7100;
14452: m_CF = 1;
14453: break;
14454: }
14455: break;
14456: // 0x72: Windows95 beta - LFN FindClose
14457: case 0x73:
1.1.1.33 root 14458: // Windows95 - FAT32 Functions
1.1.1.28 root 14459: switch(REG8(AL)) {
14460: case 0x00: msdos_int_21h_7300h(); break;
1.1.1.33 root 14461: // 0x01: Set Drive Locking ???
1.1.1.28 root 14462: case 0x02: msdos_int_21h_7302h(); break;
14463: case 0x03: msdos_int_21h_7303h(); break;
1.1.1.33 root 14464: // 0x04: Set DPB to Use for Formatting
14465: // 0x05: Extended Absolute Disk Read/Write
1.1.1.28 root 14466: default:
14467: 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));
14468: REG16(AX) = 0x7300;
14469: m_CF = 1;
14470: break;
14471: }
1.1 root 14472: break;
1.1.1.30 root 14473: case 0xdb: msdos_int_21h_dbh(); break;
14474: case 0xdc: msdos_int_21h_dch(); break;
1.1 root 14475: default:
1.1.1.22 root 14476: 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 14477: REG16(AX) = 0x01;
1.1.1.3 root 14478: m_CF = 1;
1.1 root 14479: break;
14480: }
1.1.1.28 root 14481: } catch(int error) {
14482: REG16(AX) = error;
14483: m_CF = 1;
14484: } catch(...) {
14485: REG16(AX) = 0x1f; // general failure
1.1.1.3 root 14486: m_CF = 1;
1.1 root 14487: }
1.1.1.3 root 14488: if(m_CF) {
1.1.1.23 root 14489: sda_t *sda = (sda_t *)(mem + SDA_TOP);
14490: sda->extended_error_code = REG16(AX);
14491: switch(sda->extended_error_code) {
14492: case 4: // Too many open files
14493: case 8: // Insufficient memory
14494: sda->error_class = 1; // Out of resource
14495: break;
14496: case 5: // Access denied
14497: sda->error_class = 3; // Authorization
14498: break;
14499: case 7: // Memory control block destroyed
14500: sda->error_class = 4; // Internal
14501: break;
14502: case 2: // File not found
14503: case 3: // Path not found
14504: case 15: // Invaid drive specified
14505: case 18: // No more files
14506: sda->error_class = 8; // Not found
14507: break;
14508: case 32: // Sharing violation
14509: case 33: // Lock violation
14510: sda->error_class = 10; // Locked
14511: break;
14512: // case 16: // Removal of current directory attempted
14513: case 19: // Attempted write on protected disk
14514: case 21: // Drive not ready
14515: // case 29: // Write failure
14516: // case 30: // Read failure
14517: // case 82: // Cannot create subdirectory
14518: sda->error_class = 11; // Media
14519: break;
14520: case 80: // File already exists
14521: sda->error_class = 12; // Already exist
14522: break;
14523: default:
14524: sda->error_class = 13; // Unknown
14525: break;
14526: }
14527: sda->suggested_action = 1; // Retry
14528: sda->locus_of_last_error = 1; // Unknown
1.1 root 14529: }
1.1.1.33 root 14530: if(ctrl_break_checking && ctrl_break_detected) {
1.1.1.26 root 14531: // raise int 23h
14532: #if defined(HAS_I386)
14533: m_ext = 0; // not an external interrupt
14534: i386_trap(0x23, 1, 0);
14535: m_ext = 1;
14536: #else
14537: PREFIX86(_interrupt)(0x23);
14538: #endif
14539: }
1.1 root 14540: break;
14541: case 0x22:
14542: fatalerror("int 22h (terminate address)\n");
14543: case 0x23:
1.1.1.28 root 14544: try {
14545: msdos_process_terminate(current_psp, (retval & 0xff) | 0x100, 1);
14546: } catch(...) {
14547: fatalerror("failed to terminate the current process by int 23h\n");
14548: }
1.1 root 14549: break;
14550: case 0x24:
1.1.1.32 root 14551: /*
1.1.1.28 root 14552: try {
14553: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
14554: } catch(...) {
14555: fatalerror("failed to terminate the current process by int 24h\n");
14556: }
1.1.1.32 root 14557: */
14558: msdos_int_24h();
1.1 root 14559: break;
14560: case 0x25:
14561: msdos_int_25h();
14562: break;
14563: case 0x26:
14564: msdos_int_26h();
14565: break;
14566: case 0x27:
1.1.1.28 root 14567: try {
14568: msdos_int_27h();
14569: } catch(...) {
14570: fatalerror("failed to terminate the process (PSP=%04X) by int 27h\n", SREG(CS));
14571: }
1.1 root 14572: break;
14573: case 0x28:
14574: Sleep(10);
1.1.1.35 root 14575: REQUEST_HARDWRE_UPDATE();
1.1 root 14576: break;
14577: case 0x29:
14578: msdos_int_29h();
14579: break;
14580: case 0x2e:
14581: msdos_int_2eh();
14582: break;
14583: case 0x2f:
14584: // multiplex interrupt
14585: switch(REG8(AH)) {
1.1.1.22 root 14586: case 0x05: msdos_int_2fh_05h(); break;
14587: case 0x11: msdos_int_2fh_11h(); break;
1.1.1.21 root 14588: case 0x12: msdos_int_2fh_12h(); break;
1.1.1.30 root 14589: case 0x13: msdos_int_2fh_13h(); break;
1.1.1.22 root 14590: case 0x14: msdos_int_2fh_14h(); break;
14591: case 0x15: msdos_int_2fh_15h(); break;
1.1 root 14592: case 0x16: msdos_int_2fh_16h(); break;
1.1.1.22 root 14593: case 0x19: msdos_int_2fh_19h(); break;
1.1 root 14594: case 0x1a: msdos_int_2fh_1ah(); break;
1.1.1.30 root 14595: case 0x40: msdos_int_2fh_40h(); break;
1.1 root 14596: case 0x43: msdos_int_2fh_43h(); break;
1.1.1.22 root 14597: case 0x46: msdos_int_2fh_46h(); break;
14598: case 0x48: msdos_int_2fh_48h(); break;
1.1 root 14599: case 0x4a: msdos_int_2fh_4ah(); break;
1.1.1.22 root 14600: case 0x4b: msdos_int_2fh_4bh(); break;
1.1 root 14601: case 0x4f: msdos_int_2fh_4fh(); break;
1.1.1.22 root 14602: case 0x55: msdos_int_2fh_55h(); break;
1.1.1.24 root 14603: case 0xad: msdos_int_2fh_adh(); break;
1.1 root 14604: case 0xae: msdos_int_2fh_aeh(); break;
1.1.1.34 root 14605: case 0xb7: msdos_int_2fh_b7h(); break;
1.1.1.30 root 14606: // Installation Check
14607: case 0x01: // PRINT.COM
14608: case 0x02: // PC LAN Program Redirector
14609: case 0x06: // ASSIGN
14610: case 0x08: // DRIVER.SYS
14611: case 0x10: // SHARE
14612: case 0x17: // Clibboard functions
14613: case 0x1b: // XMA2EMS.SYS
14614: case 0x23: // DR DOS 5.0 GRAFTABL
14615: case 0x27: // DR-DOR 6.0 TaskMAX
14616: case 0x2e: // Novell DOS 7 GRAFTABL
1.1.1.33 root 14617: case 0x39: // Kingswood TSR INTERFACE
14618: case 0x41: // DOS Enhanced LAN Manager 2.0+ MINIPOP/NETPOPUP
1.1.1.30 root 14619: case 0x45: // PROF.COM
14620: case 0x51: // ODIHELP.EXE
1.1.1.33 root 14621: case 0x52: // JAM.SYS v1.10+
1.1.1.30 root 14622: case 0x54: // POWER.EXE
14623: case 0x56: // INTERLNK
1.1.1.33 root 14624: case 0x57: // IOMEGA DRIVERS
1.1.1.30 root 14625: case 0x70: // License Service API
1.1.1.33 root 14626: case 0x72: // SRDISK v1.30+
1.1.1.30 root 14627: case 0x7a: // Novell NetWare
1.1.1.33 root 14628: case 0x7f: // PRINDIR v9.0
14629: case 0x80: // FAX BIOS
14630: case 0x81: // Nanosoft, Inc. TurboNET redirector
14631: case 0x82: // Nanosoft, Inc. CAPDOS
14632: case 0x89: // WHOA!.COM
14633: case 0x90: // Resident AID
1.1.1.30 root 14634: case 0x94: // MICRO.EXE
1.1.1.33 root 14635: case 0x97: // Micro Focus COBOL v3.1.31
14636: case 0x98: // Micro Focus COBOL v3.1.31
14637: case 0x99: // DOS Navigator II
14638: case 0x9e: // INTMON v2.1
14639: case 0x9f: // INTCFG v2.1
14640: case 0xa9: // METZTSR.COM
14641: case 0xab: // SRSoft MODAL PC v2
1.1.1.30 root 14642: case 0xac: // GRAPHICS.COM
1.1.1.33 root 14643: case 0xaf: // WinDOS v2.11
1.1.1.30 root 14644: case 0xb0: // GRAFTABLE.COM
1.1.1.33 root 14645: case 0xb4: // IBM PC3270 EMULATION PROG v3
1.1.1.30 root 14646: case 0xb8: // NETWORK
14647: case 0xb9: // RECEIVER.COM
14648: case 0xbc: // EGA.SYS
1.1.1.33 root 14649: case 0xbe: // REDVIEW
1.1.1.30 root 14650: case 0xbf: // PC LAN Program - REDIRIFS.EXE
14651: case 0xc0: // Novell LSL.COM
1.1.1.33 root 14652: case 0xc1: // Personal NetWare - STPIPX v1.00
14653: case 0xc3: // SETWPR.COM
14654: case 0xc5: // PC-DOS Econet v1.05
14655: case 0xc7: // COLAP.COM
14656: case 0xc9: // ThunderByte???
14657: case 0xca: // TBSCANX
14658: case 0xcb: // Communicating Applications Specification
14659: case 0xcc: // Tsoft NFSDRVR
14660: case 0xcd: // SWELL.EXE
14661: case 0xcf: // TEMPLEXX 1.0
14662: case 0xd0: // Lotus CD/Networker
1.1.1.30 root 14663: case 0xd2: // PCL-838.EXE
1.1.1.33 root 14664: case 0xd3: // TeleReplica
14665: case 0xd6: // VEDIT VSWAP
14666: case 0xd7: // Banyan VINES v4+
1.1.1.30 root 14667: case 0xd8: // Novell NetWare Lite - CLIENT.EXE
1.1.1.33 root 14668: case 0xda: // ZyXEL ZFAX v1.x
14669: case 0xdb: // ZyXEL ZFAX v2+
14670: case 0xdc: // GOLD.COM
14671: case 0xdd: // MIXFIX.EXE
14672: case 0xde: // Novell Netware - RPRINTER, NPRINTER
14673: case 0xdf: // HyperWare programs
14674: case 0xe0: // SETDRVER.COM v2.10+
14675: case 0xe1: // Phantom2 v1.1+
14676: case 0xe3: // ANARKEY.COM
14677: case 0xed: // Phar Lap DOS EXTENDERS
14678: case 0xee: // XVIEW
14679: case 0xf0: // 4MAP
14680: case 0xf1: // DOS EXTENDER
14681: case 0xf2: // WINX
14682: case 0xf4: // FINDIRQ.COM
14683: case 0xf7: // AUTOPARK.COM
14684: case 0xf8: // SuperStor PRO 2XON.COM
14685: case 0xfb: // AutoBraille v1.1A
14686: case 0xfe: // PC-NFS ???
14687: case 0xff: // Topware Network Operating System
1.1.1.30 root 14688: switch(REG8(AL)) {
14689: case 0x00:
14690: // This is not installed
14691: // REG8(AL) = 0x00;
14692: break;
1.1.1.33 root 14693: case 0x01:
14694: // Banyan VINES v4+ is not installed
14695: if(REG8(AH) == 0xd7 && REG16(BX) == 0x0000) {
14696: break;
14697: }
1.1.1.30 root 14698: default:
14699: 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));
14700: REG16(AX) = 0x01;
14701: m_CF = 1;
14702: break;
14703: }
14704: break;
1.1.1.22 root 14705: default:
14706: 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));
14707: break;
1.1 root 14708: }
14709: break;
1.1.1.24 root 14710: case 0x33:
14711: switch(REG8(AH)) {
14712: case 0x00:
14713: // Mouse
14714: switch(REG8(AL)) {
14715: case 0x00: msdos_int_33h_0000h(); break;
14716: case 0x01: msdos_int_33h_0001h(); break;
14717: case 0x02: msdos_int_33h_0002h(); break;
14718: case 0x03: msdos_int_33h_0003h(); break;
1.1.1.34 root 14719: case 0x04: msdos_int_33h_0004h(); break;
1.1.1.24 root 14720: case 0x05: msdos_int_33h_0005h(); break;
14721: case 0x06: msdos_int_33h_0006h(); break;
14722: case 0x07: msdos_int_33h_0007h(); break;
14723: case 0x08: msdos_int_33h_0008h(); break;
14724: case 0x09: msdos_int_33h_0009h(); break;
1.1.1.34 root 14725: case 0x0a: break; // Define Text Cursor
1.1.1.24 root 14726: case 0x0b: msdos_int_33h_000bh(); break;
14727: case 0x0c: msdos_int_33h_000ch(); break;
1.1.1.34 root 14728: case 0x0d: break; // Light Pen Emulation On
14729: case 0x0e: break; // Light Pen Emulation Off
1.1.1.24 root 14730: case 0x0f: msdos_int_33h_000fh(); break;
1.1.1.34 root 14731: case 0x10: break; // Define Screen Region for Updating
1.1.1.24 root 14732: case 0x11: msdos_int_33h_0011h(); break;
1.1.1.34 root 14733: case 0x12: REG16(AX) = 0xffff; break; // Set Large Graphics Cursor Block
14734: case 0x13: break; // Define Double-Speed Threshold
1.1.1.24 root 14735: case 0x14: msdos_int_33h_0014h(); break;
14736: case 0x15: msdos_int_33h_0015h(); break;
14737: case 0x16: msdos_int_33h_0016h(); break;
14738: case 0x17: msdos_int_33h_0017h(); break;
14739: case 0x1a: msdos_int_33h_001ah(); break;
14740: case 0x1b: msdos_int_33h_001bh(); break;
14741: case 0x1d: msdos_int_33h_001dh(); break;
14742: case 0x1e: msdos_int_33h_001eh(); break;
1.1.1.34 root 14743: case 0x1f: msdos_int_33h_001fh(); break;
14744: case 0x20: msdos_int_33h_0020h(); break;
1.1.1.24 root 14745: case 0x21: msdos_int_33h_0021h(); break;
14746: case 0x22: msdos_int_33h_0022h(); break;
14747: case 0x23: msdos_int_33h_0023h(); break;
14748: case 0x24: msdos_int_33h_0024h(); break;
14749: case 0x26: msdos_int_33h_0026h(); break;
14750: case 0x2a: msdos_int_33h_002ah(); break;
1.1.1.34 root 14751: case 0x2f: break; // Mouse Hardware Reset
1.1.1.24 root 14752: case 0x31: msdos_int_33h_0031h(); break;
14753: case 0x32: msdos_int_33h_0032h(); break;
14754: default:
14755: 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));
14756: break;
14757: }
14758: break;
14759: default:
14760: 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));
14761: break;
14762: }
14763: break;
1.1.1.19 root 14764: case 0x68:
14765: // dummy interrupt for EMS (int 67h)
14766: switch(REG8(AH)) {
14767: case 0x40: msdos_int_67h_40h(); break;
14768: case 0x41: msdos_int_67h_41h(); break;
14769: case 0x42: msdos_int_67h_42h(); break;
14770: case 0x43: msdos_int_67h_43h(); break;
14771: case 0x44: msdos_int_67h_44h(); break;
14772: case 0x45: msdos_int_67h_45h(); break;
14773: case 0x46: msdos_int_67h_46h(); break;
14774: case 0x47: msdos_int_67h_47h(); break;
14775: case 0x48: msdos_int_67h_48h(); break;
1.1.1.20 root 14776: // 0x49: LIM EMS - Reserved - Get I/O Port Address (Undocumented in EMS 3.2)
14777: // 0x4a: LIM EMS - Reserved - Get Translation Array (Undocumented in EMS 3.2)
1.1.1.19 root 14778: case 0x4b: msdos_int_67h_4bh(); break;
14779: case 0x4c: msdos_int_67h_4ch(); break;
14780: case 0x4d: msdos_int_67h_4dh(); break;
1.1.1.20 root 14781: case 0x4e: msdos_int_67h_4eh(); break;
1.1.1.21 root 14782: case 0x4f: msdos_int_67h_4fh(); break;
1.1.1.20 root 14783: case 0x50: msdos_int_67h_50h(); break;
1.1.1.19 root 14784: case 0x51: msdos_int_67h_51h(); break;
1.1.1.20 root 14785: case 0x52: msdos_int_67h_52h(); break;
1.1.1.19 root 14786: case 0x53: msdos_int_67h_53h(); break;
14787: case 0x54: msdos_int_67h_54h(); break;
1.1.1.20 root 14788: // 0x55: LIM EMS 4.0 - Alter Page Map And JUMP
14789: // 0x56: LIM EMS 4.0 - Alter Page Map And CALL
14790: case 0x57: msdos_int_67h_57h(); break;
14791: case 0x58: msdos_int_67h_58h(); break;
14792: // 0x59: LIM EMS 4.0 - Get Expanded Memory Hardware Information (for DOS Kernel)
14793: case 0x5a: msdos_int_67h_5ah(); break;
14794: // 0x5b: LIM EMS 4.0 - Alternate Map Register Set (for DOS Kernel)
14795: // 0x5c: LIM EMS 4.0 - Prepate Expanded Memory Hardware For Warm Boot
14796: // 0x5d: LIM EMS 4.0 - Enable/Disable OS Function Set Functions (for DOS Kernel)
1.1.1.31 root 14797: // 0x60: EEMS - Get Physical Window Array
14798: // 0x61: EEMS - Generic Accelerator Card Support
14799: // 0x68: EEMS - Get Address of All Pge Frames om System
14800: // 0x69: EEMS - Map Page into Frame
14801: // 0x6a: EEMS - Page Mapping
14802: // 0xde: VCPI
1.1.1.30 root 14803: case 0xde: msdos_int_67h_deh(); break;
1.1.1.19 root 14804: default:
1.1.1.22 root 14805: 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 14806: REG8(AH) = 0x84;
14807: break;
14808: }
14809: break;
14810: #ifdef SUPPORT_XMS
14811: case 0x69:
14812: // dummy interrupt for XMS (call far)
1.1.1.28 root 14813: try {
14814: switch(REG8(AH)) {
14815: case 0x00: msdos_call_xms_00h(); break;
14816: case 0x01: msdos_call_xms_01h(); break;
14817: case 0x02: msdos_call_xms_02h(); break;
14818: case 0x03: msdos_call_xms_03h(); break;
14819: case 0x04: msdos_call_xms_04h(); break;
14820: case 0x05: msdos_call_xms_05h(); break;
14821: case 0x06: msdos_call_xms_06h(); break;
14822: case 0x07: msdos_call_xms_07h(); break;
14823: case 0x08: msdos_call_xms_08h(); break;
14824: case 0x09: msdos_call_xms_09h(); break;
14825: case 0x0a: msdos_call_xms_0ah(); break;
14826: case 0x0b: msdos_call_xms_0bh(); break;
14827: case 0x0c: msdos_call_xms_0ch(); break;
14828: case 0x0d: msdos_call_xms_0dh(); break;
14829: case 0x0e: msdos_call_xms_0eh(); break;
14830: case 0x0f: msdos_call_xms_0fh(); break;
14831: case 0x10: msdos_call_xms_10h(); break;
14832: case 0x11: msdos_call_xms_11h(); break;
14833: case 0x12: msdos_call_xms_12h(); break;
1.1.1.29 root 14834: #if defined(HAS_I386)
14835: case 0x88: msdos_call_xms_88h(); break;
14836: case 0x89: msdos_call_xms_89h(); break;
14837: case 0x8e: msdos_call_xms_8eh(); break;
14838: case 0x8f: msdos_call_xms_8fh(); break;
14839: #endif
1.1.1.28 root 14840: default:
14841: 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));
14842: REG16(AX) = 0x0000;
14843: REG8(BL) = 0x80; // function not implemented
14844: break;
14845: }
14846: } catch(...) {
1.1.1.19 root 14847: REG16(AX) = 0x0000;
1.1.1.28 root 14848: REG8(BL) = 0x8f; // unrecoverable driver error
1.1.1.19 root 14849: }
14850: break;
14851: #endif
14852: case 0x6a:
1.1.1.24 root 14853: // irq12 (mouse)
14854: mouse_push_ax = REG16(AX);
14855: mouse_push_bx = REG16(BX);
14856: mouse_push_cx = REG16(CX);
14857: mouse_push_dx = REG16(DX);
14858: mouse_push_si = REG16(SI);
14859: mouse_push_di = REG16(DI);
14860:
1.1.1.34 root 14861: if(/*mouse.hidden == 0 && */mouse.call_addr.dw != 0) {
1.1.1.24 root 14862: REG16(AX) = mouse.status_irq;
14863: REG16(BX) = mouse.get_buttons();
1.1.1.34 root 14864: REG16(CX) = max(mouse.min_position.x & ~7, min(mouse.max_position.x & ~7, mouse.position.x));
14865: REG16(DX) = max(mouse.min_position.y & ~7, min(mouse.max_position.y & ~7, mouse.position.y));
1.1.1.24 root 14866: REG16(SI) = REG16(CX) * mouse.mickey.x / 8;
14867: REG16(DI) = REG16(DX) * mouse.mickey.y / 8;
14868:
14869: mem[0xfffd0 + 0x02] = 0x9a; // call far
14870: mem[0xfffd0 + 0x03] = mouse.call_addr.w.l & 0xff;
14871: mem[0xfffd0 + 0x04] = mouse.call_addr.w.l >> 8;
14872: mem[0xfffd0 + 0x05] = mouse.call_addr.w.h & 0xff;
14873: mem[0xfffd0 + 0x06] = mouse.call_addr.w.h >> 8;
14874: } else {
14875: mem[0xfffd0 + 0x02] = 0x90; // nop
14876: mem[0xfffd0 + 0x03] = 0x90; // nop
14877: mem[0xfffd0 + 0x04] = 0x90; // nop
14878: mem[0xfffd0 + 0x05] = 0x90; // nop
14879: mem[0xfffd0 + 0x06] = 0x90; // nop
14880: }
14881: break;
14882: case 0x6b:
14883: // end of irq12 (mouse)
14884: REG16(AX) = mouse_push_ax;
14885: REG16(BX) = mouse_push_bx;
14886: REG16(CX) = mouse_push_cx;
14887: REG16(DX) = mouse_push_dx;
14888: REG16(SI) = mouse_push_si;
14889: REG16(DI) = mouse_push_di;
14890:
14891: // EOI
14892: if((pic[1].isr &= ~(1 << 4)) == 0) {
14893: pic[0].isr &= ~(1 << 2); // master
14894: }
14895: pic_update();
14896: break;
14897: case 0x6c:
1.1.1.19 root 14898: // dummy interrupt for case map routine pointed in the country info
14899: if(REG8(AL) >= 0x80) {
14900: char tmp[2] = {0};
14901: tmp[0] = REG8(AL);
14902: my_strupr(tmp);
14903: REG8(AL) = tmp[0];
14904: }
14905: break;
1.1.1.27 root 14906: case 0x6d:
14907: // dummy interrupt for font read routine pointed by int 15h, ax=5000h
14908: REG8(AL) = 0x86; // not supported
14909: m_CF = 1;
14910: break;
1.1.1.32 root 14911: case 0x6e:
14912: // dummy interrupt for parameter error message read routine pointed by int 2fh, ax=122eh, dl=08h
14913: {
14914: UINT16 code = REG16(AX);
14915: if(code & 0xf0) {
14916: code = (code & 7) | ((code & 0x10) >> 1);
14917: }
14918: for(int i = 0; i < array_length(param_error_table); i++) {
14919: if(param_error_table[i].code == code || param_error_table[i].code == (UINT16)-1) {
14920: const char *message = NULL;
14921: if(active_code_page == 932) {
14922: message = param_error_table[i].message_japanese;
14923: }
14924: if(message == NULL) {
14925: message = param_error_table[i].message_english;
14926: }
14927: *(UINT8 *)(mem + WORK_TOP) = strlen(message);
14928: strcpy((char *)(mem + WORK_TOP + 1), message);
14929:
14930: SREG(ES) = WORK_TOP >> 4;
14931: i386_load_segment_descriptor(ES);
14932: REG16(DI) = 0x0000;
14933: break;
14934: }
14935: }
14936: }
14937: break;
1.1.1.8 root 14938: case 0x70:
14939: case 0x71:
14940: case 0x72:
14941: case 0x73:
14942: case 0x74:
14943: case 0x75:
14944: case 0x76:
14945: case 0x77:
14946: // EOI
14947: if((pic[1].isr &= ~(1 << (num - 0x70))) == 0) {
14948: pic[0].isr &= ~(1 << 2); // master
14949: }
14950: pic_update();
14951: break;
1.1 root 14952: default:
1.1.1.22 root 14953: // 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 14954: break;
14955: }
14956:
14957: // update cursor position
14958: if(cursor_moved) {
1.1.1.36 root 14959: pcbios_update_cursor_position();
1.1 root 14960: cursor_moved = false;
14961: }
14962: }
14963:
14964: // init
14965:
14966: int msdos_init(int argc, char *argv[], char *envp[], int standard_env)
14967: {
14968: // init file handler
14969: memset(file_handler, 0, sizeof(file_handler));
14970: msdos_file_handler_open(0, "STDIN", _isatty(0), 0, 0x80d3, 0);
14971: msdos_file_handler_open(1, "STDOUT", _isatty(1), 1, 0x80d3, 0);
14972: msdos_file_handler_open(2, "STDERR", _isatty(2), 1, 0x80d3, 0);
1.1.1.21 root 14973: #ifdef MAP_AUX_DEVICE_TO_FILE
1.1 root 14974: if(_open("stdaux.txt", _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE) == 3) {
1.1.1.21 root 14975: #else
14976: if(_open("NUL", _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE) == 3) {
14977: #endif
14978: msdos_file_handler_open(3, "STDAUX", 0, 2, 0x80c0, 0);
1.1 root 14979: }
1.1.1.21 root 14980: if(_open("NUL", _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE) == 4) {
1.1.1.37! root 14981: msdos_file_handler_open(4, "STDPRN", 0, 1, 0xa8c0, 0, 0, 1); // LPT1
1.1.1.21 root 14982: }
1.1 root 14983: _dup2(0, DUP_STDIN);
14984: _dup2(1, DUP_STDOUT);
14985: _dup2(2, DUP_STDERR);
1.1.1.21 root 14986: _dup2(3, DUP_STDAUX);
14987: _dup2(4, DUP_STDPRN);
1.1 root 14988:
1.1.1.24 root 14989: // init mouse
14990: memset(&mouse, 0, sizeof(mouse));
1.1.1.34 root 14991: mouse.enabled = true; // from DOSBox
14992: mouse.hidden = 1; // hidden in default ???
14993: mouse.old_hidden = 1; // from DOSBox
14994: mouse.max_position.x = 8 * (scr_width - 1);
14995: mouse.max_position.y = 8 * (scr_height - 1);
1.1.1.24 root 14996: mouse.mickey.x = 8;
14997: mouse.mickey.y = 16;
14998:
1.1.1.26 root 14999: #ifdef SUPPORT_XMS
15000: // init xms
15001: msdos_xms_init();
15002: #endif
15003:
1.1 root 15004: // init process
15005: memset(process, 0, sizeof(process));
15006:
1.1.1.13 root 15007: // init dtainfo
15008: msdos_dta_info_init();
15009:
1.1 root 15010: // init memory
15011: memset(mem, 0, sizeof(mem));
15012:
15013: // bios data area
1.1.1.23 root 15014: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 15015: CONSOLE_SCREEN_BUFFER_INFO csbi;
15016: GetConsoleScreenBufferInfo(hStdout, &csbi);
1.1.1.14 root 15017: CONSOLE_FONT_INFO cfi;
15018: GetCurrentConsoleFont(hStdout, FALSE, &cfi);
15019:
15020: int regen = min(scr_width * scr_height * 2, 0x8000);
15021: text_vram_top_address = TEXT_VRAM_TOP;
15022: text_vram_end_address = text_vram_top_address + regen;
15023: shadow_buffer_top_address = SHADOW_BUF_TOP;
15024: shadow_buffer_end_address = shadow_buffer_top_address + regen;
15025:
15026: if(regen > 0x4000) {
15027: regen = 0x8000;
15028: vram_pages = 1;
15029: } else if(regen > 0x2000) {
15030: regen = 0x4000;
15031: vram_pages = 2;
15032: } else if(regen > 0x1000) {
15033: regen = 0x2000;
15034: vram_pages = 4;
15035: } else {
15036: regen = 0x1000;
15037: vram_pages = 8;
15038: }
1.1 root 15039:
1.1.1.25 root 15040: *(UINT16 *)(mem + 0x400) = 0x3f8; // com1 port address
15041: *(UINT16 *)(mem + 0x402) = 0x2f8; // com2 port address
1.1.1.29 root 15042: *(UINT16 *)(mem + 0x404) = 0x3e8; // com3 port address
15043: *(UINT16 *)(mem + 0x406) = 0x2e8; // com4 port address
1.1.1.25 root 15044: *(UINT16 *)(mem + 0x408) = 0x378; // lpt1 port address
1.1.1.37! root 15045: *(UINT16 *)(mem + 0x40a) = 0x278; // lpt2 port address
! 15046: *(UINT16 *)(mem + 0x40c) = 0x3bc; // lpt3 port address
1.1.1.32 root 15047: #ifdef EXT_BIOS_TOP
1.1.1.25 root 15048: *(UINT16 *)(mem + 0x40e) = EXT_BIOS_TOP >> 4;
1.1.1.32 root 15049: #endif
1.1.1.26 root 15050: *(UINT16 *)(mem + 0x410) = msdos_get_equipment();
1.1.1.33 root 15051: *(UINT16 *)(mem + 0x413) = MEMORY_END >> 10;
1.1 root 15052: *(UINT8 *)(mem + 0x449) = 0x03;//0x73;
1.1.1.14 root 15053: *(UINT16 *)(mem + 0x44a) = csbi.dwSize.X;
15054: *(UINT16 *)(mem + 0x44c) = regen;
1.1 root 15055: *(UINT16 *)(mem + 0x44e) = 0;
15056: *(UINT8 *)(mem + 0x450) = csbi.dwCursorPosition.X;
1.1.1.14 root 15057: *(UINT8 *)(mem + 0x451) = csbi.dwCursorPosition.Y - scr_top;
1.1 root 15058: *(UINT8 *)(mem + 0x460) = 7;
15059: *(UINT8 *)(mem + 0x461) = 7;
15060: *(UINT8 *)(mem + 0x462) = 0;
15061: *(UINT16 *)(mem + 0x463) = 0x3d4;
1.1.1.19 root 15062: *(UINT8 *)(mem + 0x465) = 0x09;
15063: *(UINT32 *)(mem + 0x46c) = get_ticks_since_midnight(timeGetTime());
1.1.1.14 root 15064: *(UINT8 *)(mem + 0x484) = csbi.srWindow.Bottom - csbi.srWindow.Top;
15065: *(UINT8 *)(mem + 0x485) = cfi.dwFontSize.Y;
15066: *(UINT8 *)(mem + 0x487) = 0x60;
15067: *(UINT8 *)(mem + 0x496) = 0x10; // enhanced keyboard installed
1.1.1.32 root 15068: #ifdef EXT_BIOS_TOP
1.1.1.25 root 15069: *(UINT16 *)(mem + EXT_BIOS_TOP) = 1;
1.1.1.32 root 15070: #endif
1.1.1.14 root 15071:
15072: // initial screen
15073: SMALL_RECT rect;
15074: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
15075: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
15076: for(int y = 0, ofs1 = TEXT_VRAM_TOP, ofs2 = SHADOW_BUF_TOP; y < scr_height; y++) {
15077: for(int x = 0; x < scr_width; x++) {
15078: mem[ofs1++] = mem[ofs2++] = SCR_BUF(y,x).Char.AsciiChar;
15079: mem[ofs1++] = mem[ofs2++] = SCR_BUF(y,x).Attributes;
15080: }
15081: }
1.1 root 15082:
1.1.1.19 root 15083: // init mcb
1.1 root 15084: int seg = MEMORY_TOP >> 4;
1.1.1.19 root 15085:
15086: // iret table
15087: // note: int 2eh vector should address the routine in command.com,
15088: // and some softwares invite (int 2eh vector segment) - 1 must address the mcb of command.com.
15089: // so move iret table into allocated memory block
15090: // http://www5c.biglobe.ne.jp/~ecb/assembler2/2_6.html
1.1.1.33 root 15091: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, IRET_SIZE >> 4);
1.1.1.19 root 15092: IRET_TOP = seg << 4;
15093: seg += IRET_SIZE >> 4;
1.1.1.25 root 15094: memset(mem + IRET_TOP, 0xcf, IRET_SIZE); // iret
1.1.1.19 root 15095:
15096: // dummy xms/ems device
1.1.1.33 root 15097: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, XMS_SIZE >> 4);
1.1.1.19 root 15098: XMS_TOP = seg << 4;
15099: seg += XMS_SIZE >> 4;
15100:
15101: // environment
1.1.1.33 root 15102: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, ENV_SIZE >> 4);
1.1 root 15103: int env_seg = seg;
15104: int ofs = 0;
1.1.1.32 root 15105: char env_append[ENV_SIZE] = {0}, append_added = 0;
15106: char comspec_added = 0;
1.1.1.33 root 15107: char lastdrive_added = 0;
1.1.1.32 root 15108: char env_msdos_path[ENV_SIZE] = {0};
15109: char env_path[ENV_SIZE] = {0}, path_added = 0;
1.1.1.33 root 15110: char prompt_added = 0;
1.1.1.32 root 15111: char env_temp[ENV_SIZE] = {0}, temp_added = 0, tmp_added = 0;
1.1.1.33 root 15112: char tz_added = 0;
1.1.1.32 root 15113: char *path, *short_path;
15114:
15115: if((path = getenv("MSDOS_APPEND")) != NULL) {
15116: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
15117: strcpy(env_append, short_path);
15118: }
15119: }
15120: if((path = getenv("APPEND")) != NULL) {
15121: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
15122: if(env_append[0] != '\0') {
15123: strcat(env_append, ";");
15124: }
15125: strcat(env_append, short_path);
15126: }
15127: }
15128:
15129: if((path = msdos_search_command_com(argv[0], env_path)) != NULL) {
15130: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
15131: strcpy(comspec_path, short_path);
15132: }
15133: }
15134: if((path = getenv("MSDOS_COMSPEC")) != NULL && _access(path, 0) == 0) {
15135: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
15136: strcpy(comspec_path, short_path);
15137: }
15138: }
1.1 root 15139:
1.1.1.28 root 15140: if((path = getenv("MSDOS_PATH")) != NULL) {
1.1.1.32 root 15141: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
15142: strcpy(env_msdos_path, short_path);
15143: strcpy(env_path, short_path);
1.1.1.14 root 15144: }
15145: }
1.1.1.28 root 15146: if((path = getenv("PATH")) != NULL) {
1.1.1.32 root 15147: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
15148: if(env_path[0] != '\0') {
15149: strcat(env_path, ";");
15150: }
15151: strcat(env_path, short_path);
1.1.1.9 root 15152: }
15153: }
1.1.1.32 root 15154:
15155: if(GetTempPath(ENV_SIZE, env_temp) != 0) {
15156: strcpy(env_temp, msdos_get_multiple_short_path(env_temp));
1.1.1.15 root 15157: }
1.1.1.32 root 15158: for(int i = 0; i < 4; i++) {
15159: static const char *name[4] = {"MSDOS_TEMP", "MSDOS_TMP", "TEMP", "TMP"};
15160: if((path = getenv(name[i])) != NULL && _access(path, 0) == 0) {
15161: if((short_path = msdos_get_multiple_short_path(path)) != NULL && short_path[0] != '\0') {
15162: strcpy(env_temp, short_path);
15163: break;
15164: }
15165: }
1.1.1.24 root 15166: }
1.1.1.32 root 15167:
1.1.1.9 root 15168: for(char **p = envp; p != NULL && *p != NULL; p++) {
1.1 root 15169: // lower to upper
1.1.1.28 root 15170: char tmp[ENV_SIZE], name[ENV_SIZE];
1.1 root 15171: strcpy(tmp, *p);
15172: for(int i = 0;; i++) {
15173: if(tmp[i] == '=') {
15174: tmp[i] = '\0';
15175: sprintf(name, ";%s;", tmp);
1.1.1.25 root 15176: my_strupr(name);
1.1 root 15177: tmp[i] = '=';
15178: break;
15179: } else if(tmp[i] >= 'a' && tmp[i] <= 'z') {
1.1.1.28 root 15180: tmp[i] = (tmp[i] - 'a') + 'A';
1.1 root 15181: }
15182: }
1.1.1.33 root 15183: if(strstr(";MSDOS_APPEND;MSDOS_COMSPEC;MSDOS_LASTDRIVE;MSDOS_TEMP;MSDOS_TMP;MSDOS_TZ;", name) != NULL) {
15184: // ignore MSDOS_(APPEND/COMSPEC/LASTDRIVE/TEMP/TMP/TZ)
15185: } else if(standard_env && strstr(";APPEND;COMSPEC;LASTDRIVE;MSDOS_PATH;PATH;PROMPT;TEMP;TMP;TZ;", name) == NULL) {
1.1.1.18 root 15186: // ignore non standard environments
15187: } else {
1.1.1.33 root 15188: if(strncmp(tmp, "APPEND=", 7) == 0) {
1.1.1.32 root 15189: if(env_append[0] != '\0') {
15190: sprintf(tmp, "APPEND=%s", env_append);
15191: } else {
15192: sprintf(tmp, "APPEND=%s", msdos_get_multiple_short_path(tmp + 7));
15193: }
15194: append_added = 1;
15195: } else if(strncmp(tmp, "COMSPEC=", 8) == 0) {
1.1.1.14 root 15196: strcpy(tmp, "COMSPEC=C:\\COMMAND.COM");
1.1.1.32 root 15197: comspec_added = 1;
1.1.1.33 root 15198: } else if(strncmp(tmp, "LASTDRIVE=", 10) == 0) {
15199: char *env = getenv("MSDOS_LASTDRIVE");
15200: if(env != NULL) {
15201: sprintf(tmp, "LASTDRIVE=%s", env);
15202: }
15203: lastdrive_added = 1;
15204: } else if(strncmp(tmp, "MSDOS_PATH=", 11) == 0) {
1.1.1.28 root 15205: if(env_msdos_path[0] != '\0') {
15206: sprintf(tmp, "MSDOS_PATH=%s", env_msdos_path);
15207: } else {
15208: sprintf(tmp, "MSDOS_PATH=%s", msdos_get_multiple_short_path(tmp + 11));
15209: }
1.1.1.33 root 15210: } else if(strncmp(tmp, "PATH=", 5) == 0) {
1.1.1.28 root 15211: if(env_path[0] != '\0') {
15212: sprintf(tmp, "PATH=%s", env_path);
15213: } else {
15214: sprintf(tmp, "PATH=%s", msdos_get_multiple_short_path(tmp + 5));
15215: }
1.1.1.32 root 15216: path_added = 1;
1.1.1.33 root 15217: } else if(strncmp(tmp, "PROMPT=", 7) == 0) {
15218: prompt_added = 1;
1.1.1.28 root 15219: } else if(strncmp(tmp, "TEMP=", 5) == 0) {
15220: if(env_temp[0] != '\0') {
15221: sprintf(tmp, "TEMP=%s", env_temp);
15222: } else {
15223: sprintf(tmp, "TEMP=%s", msdos_get_multiple_short_path(tmp + 5));
15224: }
1.1.1.32 root 15225: temp_added = 1;
1.1.1.33 root 15226: } else if(strncmp(tmp, "TMP=", 4) == 0) {
1.1.1.28 root 15227: if(env_temp[0] != '\0') {
15228: sprintf(tmp, "TMP=%s", env_temp);
15229: } else {
15230: sprintf(tmp, "TMP=%s", msdos_get_multiple_short_path(tmp + 4));
1.1 root 15231: }
1.1.1.32 root 15232: tmp_added = 1;
1.1.1.33 root 15233: } else if(strncmp(tmp, "TZ=", 3) == 0) {
15234: char *env = getenv("MSDOS_TZ");
15235: if(env != NULL) {
15236: sprintf(tmp, "TZ=%s", env);
15237: }
15238: tz_added = 1;
1.1 root 15239: }
15240: int len = strlen(tmp);
1.1.1.14 root 15241: if(ofs + len + 1 + (2 + (8 + 1 + 3)) + 2 > ENV_SIZE) {
1.1 root 15242: fatalerror("too many environments\n");
15243: }
15244: memcpy(mem + (seg << 4) + ofs, tmp, len);
15245: ofs += len + 1;
15246: }
15247: }
1.1.1.32 root 15248: if(!append_added && env_append[0] != '\0') {
15249: #define SET_ENV(name, value) { \
15250: char tmp[ENV_SIZE]; \
15251: sprintf(tmp, "%s=%s", name, value); \
15252: int len = strlen(tmp); \
15253: if(ofs + len + 1 + (2 + (8 + 1 + 3)) + 2 > ENV_SIZE) { \
15254: fatalerror("too many environments\n"); \
15255: } \
15256: memcpy(mem + (seg << 4) + ofs, tmp, len); \
15257: ofs += len + 1; \
15258: }
15259: SET_ENV("APPEND", env_append);
15260: }
15261: if(!comspec_added) {
15262: SET_ENV("COMSPEC", "C:\\COMMAND.COM");
15263: }
1.1.1.33 root 15264: if(!lastdrive_added) {
15265: SET_ENV("LASTDRIVE", "Z");
15266: }
1.1.1.32 root 15267: if(!path_added) {
15268: SET_ENV("PATH", env_path);
15269: }
1.1.1.33 root 15270: if(!prompt_added) {
15271: SET_ENV("PROMPT", "$P$G");
15272: }
1.1.1.32 root 15273: if(!temp_added) {
15274: SET_ENV("TEMP", env_temp);
15275: }
15276: if(!tmp_added) {
15277: SET_ENV("TMP", env_temp);
15278: }
1.1.1.33 root 15279: if(!tz_added) {
15280: TIME_ZONE_INFORMATION tzi;
15281: HKEY hKey, hSubKey;
15282: char tzi_std_name[64];
15283: char tz_std[8] = "GMT";
15284: char tz_dlt[8] = "GST";
15285: char tz_value[32];
15286:
15287: // timezone name from GetTimeZoneInformation may not be english
15288: bool daylight = (GetTimeZoneInformation(&tzi) != TIME_ZONE_ID_UNKNOWN);
15289: setlocale(LC_CTYPE, "");
15290: wcstombs(tzi_std_name, tzi.StandardName, sizeof(tzi_std_name));
15291:
15292: // get english timezone name from registry
15293: if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Time Zones", 0, KEY_READ, &hKey) == ERROR_SUCCESS) {
15294: for(DWORD i = 0; !tz_added; i++) {
15295: char reg_name[256], sub_key[1024], std_name[256];
15296: DWORD size;
15297: FILETIME ftTime;
15298: LONG result = RegEnumKeyEx(hKey, i, reg_name, &(size = array_length(reg_name)), NULL, NULL, NULL, &ftTime);
15299:
15300: if(result == ERROR_SUCCESS) {
15301: sprintf(sub_key, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Time Zones\\%s", reg_name);
15302: if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, sub_key, 0, KEY_QUERY_VALUE, &hSubKey) == ERROR_SUCCESS) {
15303: if(RegQueryValueEx(hSubKey, "Std", NULL, NULL, (LPBYTE)std_name, &(size = array_length(std_name))) == ERROR_SUCCESS) {
15304: // search english timezone name from table
1.1.1.37! root 15305: if(strcmp(std_name, tzi_std_name) == 0) {
1.1.1.33 root 15306: for(int j = 0; j < array_length(tz_table); j++) {
15307: if(strcmp(reg_name, tz_table[j].name) == 0 && (tz_table[j].lcid == 0 || tz_table[j].lcid == GetUserDefaultLCID())) {
15308: if(tz_table[j].std != NULL) {
15309: strcpy(tz_std, tz_table[j].std);
15310: }
15311: if(tz_table[j].dlt != NULL) {
15312: strcpy(tz_dlt, tz_table[j].dlt);
15313: }
15314: tz_added = 1;
15315: break;
15316: }
15317: }
15318: }
15319: }
15320: RegCloseKey(hSubKey);
15321: }
15322: } else if(result == ERROR_NO_MORE_ITEMS) {
15323: break;
15324: }
15325: }
15326: RegCloseKey(hKey);
15327: }
15328: if((tzi.Bias % 60) != 0) {
15329: sprintf(tz_value, "%s%d:%2d", tz_std, tzi.Bias / 60, abs(tzi.Bias % 60));
15330: } else {
15331: sprintf(tz_value, "%s%d", tz_std, tzi.Bias / 60);
15332: }
15333: if(daylight) {
15334: strcat(tz_value, tz_dlt);
15335: }
15336: SET_ENV("TZ", tz_value);
15337: }
1.1 root 15338: seg += (ENV_SIZE >> 4);
15339:
15340: // psp
1.1.1.33 root 15341: msdos_mcb_create(seg++, 'M', PSP_SYSTEM, PSP_SIZE >> 4);
1.1 root 15342: current_psp = seg;
1.1.1.35 root 15343: psp_t *psp = msdos_psp_create(seg, seg + (PSP_SIZE >> 4), -1, env_seg);
15344: psp->parent_psp = current_psp;
1.1 root 15345: seg += (PSP_SIZE >> 4);
15346:
1.1.1.19 root 15347: // first free mcb in conventional memory
1.1.1.33 root 15348: msdos_mcb_create(seg, 'M', 0, (MEMORY_END >> 4) - seg - 2);
1.1.1.8 root 15349: first_mcb = seg;
15350:
1.1.1.19 root 15351: // dummy mcb to link to umb
1.1.1.33 root 15352: #if 0
15353: msdos_mcb_create((MEMORY_END >> 4) - 1, 'M', PSP_SYSTEM, (UMB_TOP >> 4) - (MEMORY_END >> 4)); // link umb
15354: #else
15355: msdos_mcb_create((MEMORY_END >> 4) - 1, 'Z', PSP_SYSTEM, 0); // unlink umb
15356: #endif
1.1.1.19 root 15357:
15358: // first free mcb in upper memory block
1.1.1.8 root 15359: msdos_mcb_create(UMB_TOP >> 4, 'Z', 0, (UMB_END >> 4) - (UMB_TOP >> 4) - 1);
1.1 root 15360:
1.1.1.29 root 15361: #ifdef SUPPORT_HMA
15362: // first free mcb in high memory area
15363: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
15364: #endif
15365:
1.1.1.26 root 15366: // interrupt vector
15367: for(int i = 0; i < 0x80; i++) {
15368: *(UINT16 *)(mem + 4 * i + 0) = i;
15369: *(UINT16 *)(mem + 4 * i + 2) = (IRET_TOP >> 4);
15370: }
1.1.1.35 root 15371: *(UINT16 *)(mem + 4 * 0x08 + 0) = 0x0018; // fffd:0018 irq0 (system timer)
1.1.1.26 root 15372: *(UINT16 *)(mem + 4 * 0x08 + 2) = 0xfffd;
15373: *(UINT16 *)(mem + 4 * 0x22 + 0) = 0x0000; // ffff:0000 boot
15374: *(UINT16 *)(mem + 4 * 0x22 + 2) = 0xffff;
15375: *(UINT16 *)(mem + 4 * 0x67 + 0) = 0x0012; // xxxx:0012 ems
15376: *(UINT16 *)(mem + 4 * 0x67 + 2) = XMS_TOP >> 4;
15377: *(UINT16 *)(mem + 4 * 0x74 + 0) = 0x0000; // fffd:0000 irq12 (mouse)
15378: *(UINT16 *)(mem + 4 * 0x74 + 2) = 0xfffd;
15379:
1.1.1.29 root 15380: // dummy devices (NUL -> CON -> ... -> CONFIG$ -> EMMXXXX0)
1.1.1.26 root 15381: static const struct {
15382: UINT16 attributes;
15383: char *dev_name;
15384: } dummy_devices[] = {
15385: {0x8013, "CON "},
15386: {0x8000, "AUX "},
15387: {0xa0c0, "PRN "},
15388: {0x8008, "CLOCK$ "},
15389: {0x8000, "COM1 "},
15390: {0xa0c0, "LPT1 "},
15391: {0xa0c0, "LPT2 "},
15392: {0xa0c0, "LPT3 "},
15393: {0x8000, "COM2 "},
15394: {0x8000, "COM3 "},
15395: {0x8000, "COM4 "},
1.1.1.30 root 15396: // {0xc000, "CONFIG$ "},
15397: {0xc000, "$IBMADSP"}, // for windows3.1 setup.exe
1.1.1.26 root 15398: };
15399: static const UINT8 dummy_device_routine[] = {
15400: // from NUL device of Windows 98 SE
15401: // or word ptr ES:[BX+03],0100
15402: 0x26, 0x81, 0x4f, 0x03, 0x00, 0x01,
15403: // retf
15404: 0xcb,
15405: };
1.1.1.29 root 15406: device_t *last = NULL;
1.1.1.32 root 15407: for(int i = 0; i < array_length(dummy_devices); i++) {
1.1.1.26 root 15408: device_t *device = (device_t *)(mem + DEVICE_TOP + 22 + 18 * i);
1.1.1.29 root 15409: device->next_driver.w.l = 22 + 18 * (i + 1);
15410: device->next_driver.w.h = DEVICE_TOP >> 4;
1.1.1.26 root 15411: device->attributes = dummy_devices[i].attributes;
1.1.1.29 root 15412: device->strategy = DEVICE_SIZE - sizeof(dummy_device_routine);
15413: device->interrupt = DEVICE_SIZE - sizeof(dummy_device_routine) + 6;
1.1.1.26 root 15414: memcpy(device->dev_name, dummy_devices[i].dev_name, 8);
1.1.1.29 root 15415: last = device;
15416: }
15417: if(last != NULL) {
15418: last->next_driver.w.l = 0;
15419: last->next_driver.w.h = XMS_TOP >> 4;
1.1.1.26 root 15420: }
1.1.1.29 root 15421: memcpy(mem + DEVICE_TOP + DEVICE_SIZE - sizeof(dummy_device_routine), dummy_device_routine, sizeof(dummy_device_routine));
1.1.1.26 root 15422:
1.1.1.25 root 15423: // dos info
15424: dos_info_t *dos_info = (dos_info_t *)(mem + DOS_INFO_TOP);
15425: dos_info->magic_word = 1;
15426: dos_info->first_mcb = MEMORY_TOP >> 4;
15427: dos_info->first_dpb.w.l = 0;
15428: dos_info->first_dpb.w.h = DPB_TOP >> 4;
15429: dos_info->first_sft.w.l = 0;
15430: dos_info->first_sft.w.h = SFT_TOP >> 4;
1.1.1.26 root 15431: dos_info->clock_device.w.l = 22 + 18 * 3; // CLOCK$ is the 3rd device in IO.SYS
1.1.1.25 root 15432: dos_info->clock_device.w.h = DEVICE_TOP >> 4;
1.1.1.26 root 15433: dos_info->con_device.w.l = 22 + 18 * 0; // CON is the 1st device in IO.SYS
1.1.1.25 root 15434: dos_info->con_device.w.h = DEVICE_TOP >> 4;
15435: dos_info->max_sector_len = 512;
15436: dos_info->disk_buf_info.w.l = offsetof(dos_info_t, disk_buf_heads);
15437: dos_info->disk_buf_info.w.h = DOS_INFO_TOP >> 4;
15438: dos_info->cds.w.l = 0;
15439: dos_info->cds.w.h = CDS_TOP >> 4;
15440: dos_info->fcb_table.w.l = 0;
15441: dos_info->fcb_table.w.h = FCB_TABLE_TOP >> 4;
15442: dos_info->last_drive = 'Z' - 'A' + 1;
15443: dos_info->buffers_x = 20;
15444: dos_info->buffers_y = 0;
15445: dos_info->boot_drive = 'C' - 'A' + 1;
1.1.1.29 root 15446: dos_info->nul_device.next_driver.w.l = 22;
15447: dos_info->nul_device.next_driver.w.h = DEVICE_TOP >> 4;
1.1.1.25 root 15448: dos_info->nul_device.attributes = 0x8004;
1.1.1.29 root 15449: dos_info->nul_device.strategy = DOS_INFO_SIZE - sizeof(dummy_device_routine);
15450: dos_info->nul_device.interrupt = DOS_INFO_SIZE - sizeof(dummy_device_routine) + 6;
1.1.1.25 root 15451: memcpy(dos_info->nul_device.dev_name, "NUL ", 8);
15452: dos_info->disk_buf_heads.w.l = 0;
15453: dos_info->disk_buf_heads.w.h = DISK_BUF_TOP >> 4;
15454: dos_info->first_umb_fcb = UMB_TOP >> 4;
15455: dos_info->first_mcb_2 = MEMORY_TOP >> 4;
1.1.1.29 root 15456: memcpy(mem + DOS_INFO_TOP + DOS_INFO_SIZE - sizeof(dummy_device_routine), dummy_device_routine, sizeof(dummy_device_routine));
1.1.1.25 root 15457:
15458: char *env;
15459: if((env = getenv("LASTDRIVE")) != NULL) {
15460: if(env[0] >= 'A' && env[0] <= 'Z') {
15461: dos_info->last_drive = env[0] - 'A' + 1;
15462: } else if(env[0] >= 'a' && env[0] <= 'z') {
15463: dos_info->last_drive = env[0] - 'a' + 1;
15464: }
15465: }
15466: if((env = getenv("windir")) != NULL) {
15467: if(env[0] >= 'A' && env[0] <= 'Z') {
15468: dos_info->boot_drive = env[0] - 'A' + 1;
15469: } else if(env[0] >= 'a' && env[0] <= 'z') {
15470: dos_info->boot_drive = env[0] - 'a' + 1;
15471: }
15472: }
15473: #if defined(HAS_I386)
15474: dos_info->i386_or_later = 1;
15475: #else
15476: dos_info->i386_or_later = 0;
15477: #endif
15478: dos_info->ext_mem_size = (min(MAX_MEM, 0x4000000) - 0x100000) >> 10;
15479:
1.1.1.27 root 15480: // ems (int 67h) and xms
1.1.1.25 root 15481: device_t *xms_device = (device_t *)(mem + XMS_TOP);
15482: xms_device->next_driver.w.l = 0xffff;
15483: xms_device->next_driver.w.h = 0xffff;
15484: xms_device->attributes = 0xc000;
1.1.1.29 root 15485: xms_device->strategy = XMS_SIZE - sizeof(dummy_device_routine);
15486: xms_device->interrupt = XMS_SIZE - sizeof(dummy_device_routine) + 6;
1.1.1.25 root 15487: memcpy(xms_device->dev_name, "EMMXXXX0", 8);
15488:
1.1.1.26 root 15489: mem[XMS_TOP + 0x12] = 0xcd; // int 68h (dummy)
15490: mem[XMS_TOP + 0x13] = 0x68;
15491: mem[XMS_TOP + 0x14] = 0xcf; // iret
1.1.1.19 root 15492: #ifdef SUPPORT_XMS
15493: if(support_xms) {
1.1.1.26 root 15494: mem[XMS_TOP + 0x15] = 0xcd; // int 69h (dummy)
15495: mem[XMS_TOP + 0x16] = 0x69;
15496: mem[XMS_TOP + 0x17] = 0xcb; // retf
1.1.1.19 root 15497: } else
15498: #endif
1.1.1.26 root 15499: mem[XMS_TOP + 0x15] = 0xcb; // retf
1.1.1.29 root 15500: memcpy(mem + XMS_TOP + XMS_SIZE - sizeof(dummy_device_routine), dummy_device_routine, sizeof(dummy_device_routine));
1.1.1.19 root 15501:
1.1.1.26 root 15502: // irq12 routine (mouse)
1.1.1.24 root 15503: mem[0xfffd0 + 0x00] = 0xcd; // int 6ah (dummy)
15504: mem[0xfffd0 + 0x01] = 0x6a;
15505: mem[0xfffd0 + 0x02] = 0x9a; // call far mouse
15506: mem[0xfffd0 + 0x03] = 0xff;
15507: mem[0xfffd0 + 0x04] = 0xff;
15508: mem[0xfffd0 + 0x05] = 0xff;
15509: mem[0xfffd0 + 0x06] = 0xff;
15510: mem[0xfffd0 + 0x07] = 0xcd; // int 6bh (dummy)
15511: mem[0xfffd0 + 0x08] = 0x6b;
15512: mem[0xfffd0 + 0x09] = 0xcf; // iret
15513:
1.1.1.27 root 15514: // case map routine
15515: mem[0xfffd0 + 0x0a] = 0xcd; // int 6ch (dummy)
15516: mem[0xfffd0 + 0x0b] = 0x6c;
15517: mem[0xfffd0 + 0x0c] = 0xcb; // retf
15518:
15519: // font read routine
15520: mem[0xfffd0 + 0x0d] = 0xcd; // int 6dh (dummy)
15521: mem[0xfffd0 + 0x0e] = 0x6d;
15522: mem[0xfffd0 + 0x0f] = 0xcb; // retf
1.1.1.19 root 15523:
1.1.1.32 root 15524: // error message read routine
15525: mem[0xfffd0 + 0x10] = 0xcd; // int 6eh (dummy)
15526: mem[0xfffd0 + 0x11] = 0x6e;
15527: mem[0xfffd0 + 0x12] = 0xcb; // retf
15528:
1.1.1.35 root 15529: // dummy loop to wait BIOS/DOS service is done
15530: mem[0xfffd0 + 0x13] = 0xe6; // out f7h, al
15531: mem[0xfffd0 + 0x14] = 0xf7;
15532: mem[0xfffd0 + 0x15] = 0x78; // js/jns -4
15533: mem[0xfffd0 + 0x16] = 0xfc;
15534: mem[0xfffd0 + 0x17] = 0xcb; // retf
15535:
1.1.1.26 root 15536: // irq0 routine (system time)
1.1.1.35 root 15537: mem[0xfffd0 + 0x18] = 0xcd; // int 1ch
15538: mem[0xfffd0 + 0x19] = 0x1c;
15539: mem[0xfffd0 + 0x1a] = 0xea; // jmp far (IRET_TOP >> 4):0008
15540: mem[0xfffd0 + 0x1b] = 0x08;
15541: mem[0xfffd0 + 0x1c] = 0x00;
15542: mem[0xfffd0 + 0x1d] = ((IRET_TOP >> 4) ) & 0xff;
15543: mem[0xfffd0 + 0x1e] = ((IRET_TOP >> 4) >> 8) & 0xff;
1.1.1.14 root 15544:
1.1.1.26 root 15545: // boot routine
1.1 root 15546: mem[0xffff0] = 0xf4; // halt
15547: mem[0xffff1] = 0xcd; // int 21h
15548: mem[0xffff2] = 0x21;
15549: mem[0xffff3] = 0xcb; // retf
15550:
1.1.1.24 root 15551: mem[0xffff5] = '0'; // rom date
15552: mem[0xffff6] = '2';
15553: mem[0xffff7] = '/';
15554: mem[0xffff8] = '2';
15555: mem[0xffff9] = '2';
15556: mem[0xffffa] = '/';
15557: mem[0xffffb] = '0';
15558: mem[0xffffc] = '6';
15559: mem[0xffffe] = 0xfc; // machine id
15560: mem[0xfffff] = 0x00;
15561:
1.1 root 15562: // param block
15563: // + 0: param block (22bytes)
15564: // +24: fcb1/2 (20bytes)
15565: // +44: command tail (128bytes)
15566: param_block_t *param = (param_block_t *)(mem + WORK_TOP);
15567: param->env_seg = 0;
15568: param->cmd_line.w.l = 44;
15569: param->cmd_line.w.h = (WORK_TOP >> 4);
15570: param->fcb1.w.l = 24;
15571: param->fcb1.w.h = (WORK_TOP >> 4);
15572: param->fcb2.w.l = 24;
15573: param->fcb2.w.h = (WORK_TOP >> 4);
15574:
15575: memset(mem + WORK_TOP + 24, 0x20, 20);
15576:
15577: cmd_line_t *cmd_line = (cmd_line_t *)(mem + WORK_TOP + 44);
15578: if(argc > 1) {
15579: sprintf(cmd_line->cmd, " %s", argv[1]);
15580: for(int i = 2; i < argc; i++) {
15581: char tmp[128];
15582: sprintf(tmp, "%s %s", cmd_line->cmd, argv[i]);
15583: strcpy(cmd_line->cmd, tmp);
15584: }
15585: cmd_line->len = (UINT8)strlen(cmd_line->cmd);
15586: } else {
15587: cmd_line->len = 0;
15588: }
15589: cmd_line->cmd[cmd_line->len] = 0x0d;
15590:
15591: // system file table
1.1.1.21 root 15592: *(UINT32 *)(mem + SFT_TOP + 0) = 0xffffffff;
15593: *(UINT16 *)(mem + SFT_TOP + 4) = 20;
1.1 root 15594:
1.1.1.19 root 15595: // disk buffer header (from DOSBox)
15596: *(UINT16 *)(mem + DISK_BUF_TOP + 0) = 0xffff; // forward ptr
15597: *(UINT16 *)(mem + DISK_BUF_TOP + 2) = 0xffff; // backward ptr
15598: *(UINT8 *)(mem + DISK_BUF_TOP + 4) = 0xff; // not in use
15599: *(UINT8 *)(mem + DISK_BUF_TOP + 10) = 0x01; // number of FATs
15600: *(UINT32 *)(mem + DISK_BUF_TOP + 13) = 0xffffffff; // pointer to DPB
15601:
1.1 root 15602: // current directory structure
15603: msdos_cds_update(_getdrive() - 1);
15604:
15605: // fcb table
15606: *(UINT32 *)(mem + FCB_TABLE_TOP + 0) = 0xffffffff;
1.1.1.14 root 15607: *(UINT16 *)(mem + FCB_TABLE_TOP + 4) = 0;
1.1 root 15608:
1.1.1.17 root 15609: // nls stuff
15610: msdos_nls_tables_init();
1.1 root 15611:
15612: // execute command
1.1.1.28 root 15613: try {
15614: if(msdos_process_exec(argv[0], param, 0)) {
15615: fatalerror("'%s' not found\n", argv[0]);
15616: }
15617: } catch(...) {
15618: // we should not reach here :-(
15619: fatalerror("failed to start '%s' because of unexpected exeption\n", argv[0]);
1.1 root 15620: }
15621: retval = 0;
15622: return(0);
15623: }
15624:
15625: #define remove_std_file(path) { \
15626: int fd = _open(path, _O_RDONLY | _O_BINARY); \
15627: if(fd != -1) { \
15628: _lseek(fd, 0, SEEK_END); \
15629: int size = _tell(fd); \
15630: _close(fd); \
15631: if(size == 0) { \
15632: remove(path); \
15633: } \
15634: } \
15635: }
15636:
15637: void msdos_finish()
15638: {
15639: for(int i = 0; i < MAX_FILES; i++) {
15640: if(file_handler[i].valid) {
15641: _close(i);
15642: }
15643: }
1.1.1.21 root 15644: #ifdef MAP_AUX_DEVICE_TO_FILE
1.1 root 15645: remove_std_file("stdaux.txt");
1.1.1.21 root 15646: #endif
1.1.1.30 root 15647: #ifdef SUPPORT_XMS
15648: msdos_xms_finish();
15649: #endif
1.1 root 15650: msdos_dbcs_table_finish();
15651: }
15652:
15653: /* ----------------------------------------------------------------------------
15654: PC/AT hardware emulation
15655: ---------------------------------------------------------------------------- */
15656:
15657: void hardware_init()
15658: {
1.1.1.3 root 15659: CPU_INIT_CALL(CPU_MODEL);
1.1 root 15660: CPU_RESET_CALL(CPU_MODEL);
1.1.1.14 root 15661: m_IF = 1;
1.1.1.3 root 15662: #if defined(HAS_I386)
1.1 root 15663: cpu_type = (REG32(EDX) >> 8) & 0x0f;
15664: cpu_step = (REG32(EDX) >> 0) & 0x0f;
1.1.1.3 root 15665: #endif
15666: i386_set_a20_line(0);
1.1.1.14 root 15667:
1.1.1.19 root 15668: ems_init();
1.1.1.25 root 15669: dma_init();
1.1 root 15670: pic_init();
1.1.1.25 root 15671: pio_init();
1.1.1.8 root 15672: #ifdef PIT_ALWAYS_RUNNING
15673: pit_init();
15674: #else
1.1 root 15675: pit_active = 0;
15676: #endif
1.1.1.25 root 15677: sio_init();
1.1.1.8 root 15678: cmos_init();
15679: kbd_init();
1.1 root 15680: }
15681:
1.1.1.10 root 15682: void hardware_finish()
15683: {
15684: #if defined(HAS_I386)
15685: vtlb_free(m_vtlb);
15686: #endif
1.1.1.19 root 15687: ems_finish();
1.1.1.37! root 15688: pio_finish();
1.1.1.25 root 15689: sio_finish();
1.1.1.10 root 15690: }
15691:
1.1.1.28 root 15692: void hardware_release()
15693: {
15694: // release hardware resources when this program will be terminated abnormally
15695: #ifdef EXPORT_DEBUG_TO_FILE
1.1.1.33 root 15696: if(fp_debug_log != NULL) {
15697: fclose(fp_debug_log);
15698: fp_debug_log = NULL;
1.1.1.28 root 15699: }
15700: #endif
15701: #if defined(HAS_I386)
15702: vtlb_free(m_vtlb);
15703: #endif
15704: ems_release();
1.1.1.37! root 15705: pio_release();
1.1.1.28 root 15706: sio_release();
15707: }
15708:
1.1 root 15709: void hardware_run()
15710: {
1.1.1.22 root 15711: #ifdef EXPORT_DEBUG_TO_FILE
1.1.1.28 root 15712: // open debug log file after msdos_init() is done not to use the standard file handlers
1.1.1.33 root 15713: fp_debug_log = fopen("debug.log", "w");
1.1.1.22 root 15714: #endif
1.1.1.3 root 15715: while(!m_halted) {
15716: #if defined(HAS_I386)
1.1 root 15717: CPU_EXECUTE_CALL(i386);
1.1.1.14 root 15718: if(m_eip != m_prev_eip) {
1.1.1.35 root 15719: idle_ops++;
15720: }
1.1.1.14 root 15721: #else
1.1.1.35 root 15722: CPU_EXECUTE_CALL(CPU_MODEL);
1.1.1.14 root 15723: if(m_pc != m_prevpc) {
1.1.1.35 root 15724: idle_ops++;
1.1.1.14 root 15725: }
1.1.1.35 root 15726: #endif
15727: if(++update_ops == UPDATE_OPS) {
1.1 root 15728: hardware_update();
1.1.1.35 root 15729: update_ops = 0;
1.1 root 15730: }
15731: }
1.1.1.22 root 15732: #ifdef EXPORT_DEBUG_TO_FILE
1.1.1.33 root 15733: if(fp_debug_log != NULL) {
15734: fclose(fp_debug_log);
15735: fp_debug_log = NULL;
1.1.1.28 root 15736: }
1.1.1.22 root 15737: #endif
1.1 root 15738: }
15739:
15740: void hardware_update()
15741: {
1.1.1.8 root 15742: static UINT32 prev_time = 0;
15743: UINT32 cur_time = timeGetTime();
15744:
15745: if(prev_time != cur_time) {
15746: // update pit and raise irq0
15747: #ifndef PIT_ALWAYS_RUNNING
15748: if(pit_active)
15749: #endif
15750: {
15751: if(pit_run(0, cur_time)) {
15752: pic_req(0, 0, 1);
15753: }
15754: pit_run(1, cur_time);
15755: pit_run(2, cur_time);
15756: }
1.1.1.24 root 15757:
1.1.1.25 root 15758: // update sio and raise irq4/3
1.1.1.29 root 15759: for(int c = 0; c < 4; c++) {
1.1.1.25 root 15760: sio_update(c);
15761: }
15762:
1.1.1.24 root 15763: // update keyboard and mouse
1.1.1.14 root 15764: static UINT32 prev_tick = 0;
15765: UINT32 cur_tick = cur_time / 32;
1.1.1.25 root 15766:
1.1.1.14 root 15767: if(prev_tick != cur_tick) {
15768: // update keyboard flags
15769: UINT8 state;
1.1.1.24 root 15770: state = (GetAsyncKeyState(VK_INSERT ) & 0x0001) ? 0x80 : 0;
15771: state |= (GetAsyncKeyState(VK_CAPITAL ) & 0x0001) ? 0x40 : 0;
15772: state |= (GetAsyncKeyState(VK_NUMLOCK ) & 0x0001) ? 0x20 : 0;
15773: state |= (GetAsyncKeyState(VK_SCROLL ) & 0x0001) ? 0x10 : 0;
15774: state |= (GetAsyncKeyState(VK_MENU ) & 0x8000) ? 0x08 : 0;
15775: state |= (GetAsyncKeyState(VK_CONTROL ) & 0x8000) ? 0x04 : 0;
15776: state |= (GetAsyncKeyState(VK_LSHIFT ) & 0x8000) ? 0x02 : 0;
15777: state |= (GetAsyncKeyState(VK_RSHIFT ) & 0x8000) ? 0x01 : 0;
1.1.1.14 root 15778: mem[0x417] = state;
15779: state = (GetAsyncKeyState(VK_INSERT ) & 0x8000) ? 0x80 : 0;
15780: state |= (GetAsyncKeyState(VK_CAPITAL ) & 0x8000) ? 0x40 : 0;
15781: state |= (GetAsyncKeyState(VK_NUMLOCK ) & 0x8000) ? 0x20 : 0;
15782: state |= (GetAsyncKeyState(VK_SCROLL ) & 0x8000) ? 0x10 : 0;
1.1.1.24 root 15783: // state |= (GetAsyncKeyState(VK_PAUSE ) & 0x0001) ? 0x08 : 0;
15784: // state |= (GetAsyncKeyState(VK_SYSREQ ) & 0x8000) ? 0x04 : 0;
1.1.1.14 root 15785: state |= (GetAsyncKeyState(VK_LMENU ) & 0x8000) ? 0x02 : 0;
15786: state |= (GetAsyncKeyState(VK_LCONTROL) & 0x8000) ? 0x01 : 0;
15787: mem[0x418] = state;
15788:
1.1.1.24 root 15789: // update console input if needed
1.1.1.34 root 15790: if(!key_changed || mouse.hidden == 0) {
1.1.1.24 root 15791: update_console_input();
15792: }
15793:
15794: // raise irq1 if key is pressed/released
15795: if(key_changed) {
1.1.1.8 root 15796: pic_req(0, 1, 1);
1.1.1.24 root 15797: key_changed = false;
15798: }
15799:
15800: // raise irq12 if mouse status is changed
15801: if(mouse.status & mouse.call_mask) {
1.1.1.34 root 15802: // if(mouse.hidden == 0) {
1.1.1.24 root 15803: pic_req(1, 4, 1);
15804: mouse.status_irq = mouse.status & mouse.call_mask;
1.1.1.34 root 15805: // }
1.1.1.24 root 15806: mouse.status &= ~mouse.call_mask;
1.1.1.8 root 15807: }
1.1.1.24 root 15808:
1.1.1.14 root 15809: prev_tick = cur_tick;
1.1.1.8 root 15810: }
1.1.1.24 root 15811:
1.1.1.19 root 15812: // update daily timer counter
15813: pcbios_update_daily_timer_counter(cur_time);
1.1.1.25 root 15814:
1.1.1.8 root 15815: prev_time = cur_time;
1.1 root 15816: }
15817: }
15818:
1.1.1.19 root 15819: // ems
15820:
15821: void ems_init()
15822: {
15823: memset(ems_handles, 0, sizeof(ems_handles));
15824: memset(ems_pages, 0, sizeof(ems_pages));
15825: free_ems_pages = MAX_EMS_PAGES;
15826: }
15827:
15828: void ems_finish()
15829: {
1.1.1.28 root 15830: ems_release();
15831: }
15832:
15833: void ems_release()
15834: {
1.1.1.31 root 15835: for(int i = 1; i <= MAX_EMS_HANDLES; i++) {
1.1.1.28 root 15836: if(ems_handles[i].buffer != NULL) {
1.1.1.19 root 15837: free(ems_handles[i].buffer);
15838: ems_handles[i].buffer = NULL;
15839: }
15840: }
15841: }
15842:
15843: void ems_allocate_pages(int handle, int pages)
15844: {
15845: if(pages > 0) {
15846: ems_handles[handle].buffer = (UINT8 *)calloc(1, 0x4000 * pages);
15847: } else {
15848: ems_handles[handle].buffer = NULL;
15849: }
15850: ems_handles[handle].pages = pages;
15851: ems_handles[handle].allocated = true;
15852: free_ems_pages -= pages;
15853: }
15854:
15855: void ems_reallocate_pages(int handle, int pages)
15856: {
15857: if(ems_handles[handle].allocated) {
15858: if(ems_handles[handle].pages != pages) {
15859: UINT8 *new_buffer = NULL;
15860:
15861: if(pages > 0) {
15862: new_buffer = (UINT8 *)calloc(1, 0x4000 * pages);
15863: }
1.1.1.32 root 15864: if(ems_handles[handle].buffer != NULL) {
15865: if(new_buffer != NULL) {
1.1.1.19 root 15866: if(pages > ems_handles[handle].pages) {
15867: memcpy(new_buffer, ems_handles[handle].buffer, 0x4000 * ems_handles[handle].pages);
15868: } else {
15869: memcpy(new_buffer, ems_handles[handle].buffer, 0x4000 * pages);
15870: }
15871: }
15872: free(ems_handles[handle].buffer);
15873: ems_handles[handle].buffer = NULL;
15874: }
15875: free_ems_pages += ems_handles[handle].pages;
15876:
15877: ems_handles[handle].buffer = new_buffer;
15878: ems_handles[handle].pages = pages;
15879: free_ems_pages -= pages;
15880: }
15881: } else {
15882: ems_allocate_pages(handle, pages);
15883: }
15884: }
15885:
15886: void ems_release_pages(int handle)
15887: {
15888: if(ems_handles[handle].allocated) {
1.1.1.32 root 15889: if(ems_handles[handle].buffer != NULL) {
1.1.1.19 root 15890: free(ems_handles[handle].buffer);
15891: ems_handles[handle].buffer = NULL;
15892: }
15893: free_ems_pages += ems_handles[handle].pages;
15894: ems_handles[handle].allocated = false;
15895: }
15896: }
15897:
15898: void ems_map_page(int physical, int handle, int logical)
15899: {
15900: if(ems_pages[physical].mapped) {
15901: if(ems_pages[physical].handle == handle && ems_pages[physical].page == logical) {
15902: return;
15903: }
15904: ems_unmap_page(physical);
15905: }
1.1.1.32 root 15906: if(ems_handles[handle].allocated && ems_handles[handle].buffer != NULL && logical < ems_handles[handle].pages) {
1.1.1.19 root 15907: memcpy(mem + EMS_TOP + 0x4000 * physical, ems_handles[handle].buffer + 0x4000 * logical, 0x4000);
15908: }
15909: ems_pages[physical].handle = handle;
15910: ems_pages[physical].page = logical;
15911: ems_pages[physical].mapped = true;
15912: }
15913:
15914: void ems_unmap_page(int physical)
15915: {
15916: if(ems_pages[physical].mapped) {
15917: int handle = ems_pages[physical].handle;
15918: int logical = ems_pages[physical].page;
15919:
1.1.1.32 root 15920: if(ems_handles[handle].allocated && ems_handles[handle].buffer != NULL && logical < ems_handles[handle].pages) {
1.1.1.19 root 15921: memcpy(ems_handles[handle].buffer + 0x4000 * logical, mem + EMS_TOP + 0x4000 * physical, 0x4000);
15922: }
15923: ems_pages[physical].mapped = false;
15924: }
15925: }
15926:
1.1.1.25 root 15927: // dma
1.1 root 15928:
1.1.1.25 root 15929: void dma_init()
1.1 root 15930: {
1.1.1.26 root 15931: memset(dma, 0, sizeof(dma));
1.1.1.25 root 15932: for(int c = 0; c < 2; c++) {
1.1.1.26 root 15933: // for(int ch = 0; ch < 4; ch++) {
15934: // dma[c].ch[ch].creg.w = dma[c].ch[ch].bcreg.w = 0xffff;
15935: // }
1.1.1.25 root 15936: dma_reset(c);
15937: }
1.1 root 15938: }
15939:
1.1.1.25 root 15940: void dma_reset(int c)
1.1 root 15941: {
1.1.1.25 root 15942: dma[c].low_high = false;
15943: dma[c].cmd = dma[c].req = dma[c].tc = 0;
15944: dma[c].mask = 0xff;
15945: }
15946:
15947: void dma_write(int c, UINT32 addr, UINT8 data)
15948: {
15949: int ch = (addr >> 1) & 3;
15950: UINT8 bit = 1 << (data & 3);
15951:
15952: switch(addr & 0x0f) {
15953: case 0x00: case 0x02: case 0x04: case 0x06:
15954: if(dma[c].low_high) {
15955: dma[c].ch[ch].bareg.b.h = data;
1.1 root 15956: } else {
1.1.1.25 root 15957: dma[c].ch[ch].bareg.b.l = data;
15958: }
15959: dma[c].ch[ch].areg.w = dma[c].ch[ch].bareg.w;
15960: dma[c].low_high = !dma[c].low_high;
15961: break;
15962: case 0x01: case 0x03: case 0x05: case 0x07:
15963: if(dma[c].low_high) {
15964: dma[c].ch[ch].bcreg.b.h = data;
15965: } else {
15966: dma[c].ch[ch].bcreg.b.l = data;
15967: }
15968: dma[c].ch[ch].creg.w = dma[c].ch[ch].bcreg.w;
15969: dma[c].low_high = !dma[c].low_high;
15970: break;
15971: case 0x08:
15972: // command register
15973: dma[c].cmd = data;
15974: break;
15975: case 0x09:
15976: // dma[c].request register
15977: if(data & 4) {
15978: if(!(dma[c].req & bit)) {
15979: dma[c].req |= bit;
15980: // dma_run(c, ch);
15981: }
15982: } else {
15983: dma[c].req &= ~bit;
15984: }
15985: break;
15986: case 0x0a:
15987: // single mask register
15988: if(data & 4) {
15989: dma[c].mask |= bit;
15990: } else {
15991: dma[c].mask &= ~bit;
15992: }
15993: break;
15994: case 0x0b:
15995: // mode register
15996: dma[c].ch[data & 3].mode = data;
15997: break;
15998: case 0x0c:
15999: dma[c].low_high = false;
16000: break;
16001: case 0x0d:
16002: // clear master
16003: dma_reset(c);
16004: break;
16005: case 0x0e:
16006: // clear mask register
16007: dma[c].mask = 0;
16008: break;
16009: case 0x0f:
16010: // all mask register
16011: dma[c].mask = data & 0x0f;
16012: break;
16013: }
16014: }
16015:
16016: UINT8 dma_read(int c, UINT32 addr)
16017: {
16018: int ch = (addr >> 1) & 3;
16019: UINT8 val = 0xff;
16020:
16021: switch(addr & 0x0f) {
16022: case 0x00: case 0x02: case 0x04: case 0x06:
16023: if(dma[c].low_high) {
16024: val = dma[c].ch[ch].areg.b.h;
16025: } else {
16026: val = dma[c].ch[ch].areg.b.l;
16027: }
16028: dma[c].low_high = !dma[c].low_high;
16029: return(val);
16030: case 0x01: case 0x03: case 0x05: case 0x07:
16031: if(dma[c].low_high) {
16032: val = dma[c].ch[ch].creg.b.h;
16033: } else {
16034: val = dma[c].ch[ch].creg.b.l;
16035: }
16036: dma[c].low_high = !dma[c].low_high;
16037: return(val);
16038: case 0x08:
16039: // status register
16040: val = (dma[c].req << 4) | dma[c].tc;
16041: dma[c].tc = 0;
16042: return(val);
16043: case 0x0d:
1.1.1.26 root 16044: // temporary register (intel 82374 does not support)
1.1.1.25 root 16045: return(dma[c].tmp & 0xff);
1.1.1.26 root 16046: case 0x0f:
16047: // mask register (intel 82374 does support)
16048: return(dma[c].mask);
1.1.1.25 root 16049: }
16050: return(0xff);
16051: }
16052:
16053: void dma_page_write(int c, int ch, UINT8 data)
16054: {
16055: dma[c].ch[ch].pagereg = data;
16056: }
16057:
16058: UINT8 dma_page_read(int c, int ch)
16059: {
16060: return(dma[c].ch[ch].pagereg);
16061: }
16062:
16063: void dma_run(int c, int ch)
16064: {
16065: UINT8 bit = 1 << ch;
16066:
16067: if((dma[c].req & bit) && !(dma[c].mask & bit)) {
16068: // execute dma
16069: while(dma[c].req & bit) {
16070: if(ch == 0 && (dma[c].cmd & 0x01)) {
16071: // memory -> memory
16072: UINT32 saddr = dma[c].ch[0].areg.w | (dma[c].ch[0].pagereg << 16);
16073: UINT32 daddr = dma[c].ch[1].areg.w | (dma[c].ch[1].pagereg << 16);
16074:
16075: if(c == 0) {
16076: dma[c].tmp = read_byte(saddr);
16077: write_byte(daddr, dma[c].tmp);
16078: } else {
16079: dma[c].tmp = read_word(saddr << 1);
16080: write_word(daddr << 1, dma[c].tmp);
16081: }
16082: if(!(dma[c].cmd & 0x02)) {
16083: if(dma[c].ch[0].mode & 0x20) {
16084: dma[c].ch[0].areg.w--;
16085: if(dma[c].ch[0].areg.w == 0xffff) {
16086: dma[c].ch[0].pagereg--;
16087: }
16088: } else {
16089: dma[c].ch[0].areg.w++;
16090: if(dma[c].ch[0].areg.w == 0) {
16091: dma[c].ch[0].pagereg++;
16092: }
16093: }
16094: }
16095: if(dma[c].ch[1].mode & 0x20) {
16096: dma[c].ch[1].areg.w--;
16097: if(dma[c].ch[1].areg.w == 0xffff) {
16098: dma[c].ch[1].pagereg--;
16099: }
16100: } else {
16101: dma[c].ch[1].areg.w++;
16102: if(dma[c].ch[1].areg.w == 0) {
16103: dma[c].ch[1].pagereg++;
16104: }
16105: }
16106:
16107: // check dma condition
16108: if(dma[c].ch[0].creg.w-- == 0) {
16109: if(dma[c].ch[0].mode & 0x10) {
16110: // self initialize
16111: dma[c].ch[0].areg.w = dma[c].ch[0].bareg.w;
16112: dma[c].ch[0].creg.w = dma[c].ch[0].bcreg.w;
16113: } else {
16114: // dma[c].mask |= bit;
16115: }
16116: }
16117: if(dma[c].ch[1].creg.w-- == 0) {
16118: // terminal count
16119: if(dma[c].ch[1].mode & 0x10) {
16120: // self initialize
16121: dma[c].ch[1].areg.w = dma[c].ch[1].bareg.w;
16122: dma[c].ch[1].creg.w = dma[c].ch[1].bcreg.w;
16123: } else {
16124: dma[c].mask |= bit;
16125: }
16126: dma[c].req &= ~bit;
16127: dma[c].tc |= bit;
16128: }
16129: } else {
16130: UINT32 addr = dma[c].ch[ch].areg.w | (dma[c].ch[ch].pagereg << 16);
16131:
16132: if((dma[c].ch[ch].mode & 0x0c) == 0x00) {
16133: // verify
16134: } else if((dma[c].ch[ch].mode & 0x0c) == 0x04) {
16135: // io -> memory
16136: if(c == 0) {
16137: dma[c].tmp = read_io_byte(dma[c].ch[ch].port);
16138: write_byte(addr, dma[c].tmp);
16139: } else {
16140: dma[c].tmp = read_io_word(dma[c].ch[ch].port);
16141: write_word(addr << 1, dma[c].tmp);
16142: }
16143: } else if((dma[c].ch[ch].mode & 0x0c) == 0x08) {
16144: // memory -> io
16145: if(c == 0) {
16146: dma[c].tmp = read_byte(addr);
16147: write_io_byte(dma[c].ch[ch].port, dma[c].tmp);
16148: } else {
16149: dma[c].tmp = read_word(addr << 1);
16150: write_io_word(dma[c].ch[ch].port, dma[c].tmp);
16151: }
16152: }
16153: if(dma[c].ch[ch].mode & 0x20) {
16154: dma[c].ch[ch].areg.w--;
16155: if(dma[c].ch[ch].areg.w == 0xffff) {
16156: dma[c].ch[ch].pagereg--;
16157: }
16158: } else {
16159: dma[c].ch[ch].areg.w++;
16160: if(dma[c].ch[ch].areg.w == 0) {
16161: dma[c].ch[ch].pagereg++;
16162: }
16163: }
16164:
16165: // check dma condition
16166: if(dma[c].ch[ch].creg.w-- == 0) {
16167: // terminal count
16168: if(dma[c].ch[ch].mode & 0x10) {
16169: // self initialize
16170: dma[c].ch[ch].areg.w = dma[c].ch[ch].bareg.w;
16171: dma[c].ch[ch].creg.w = dma[c].ch[ch].bcreg.w;
16172: } else {
16173: dma[c].mask |= bit;
16174: }
16175: dma[c].req &= ~bit;
16176: dma[c].tc |= bit;
16177: } else if((dma[c].ch[ch].mode & 0xc0) == 0x40) {
16178: // single mode
16179: break;
16180: }
16181: }
16182: }
16183: }
16184: }
16185:
16186: // pic
16187:
16188: void pic_init()
16189: {
16190: memset(pic, 0, sizeof(pic));
16191: pic[0].imr = pic[1].imr = 0xff;
16192:
16193: // from bochs bios
16194: pic_write(0, 0, 0x11); // icw1 = 11h
16195: pic_write(0, 1, 0x08); // icw2 = 08h
16196: pic_write(0, 1, 0x04); // icw3 = 04h
16197: pic_write(0, 1, 0x01); // icw4 = 01h
16198: pic_write(0, 1, 0xb8); // ocw1 = b8h
16199: pic_write(1, 0, 0x11); // icw1 = 11h
16200: pic_write(1, 1, 0x70); // icw2 = 70h
16201: pic_write(1, 1, 0x02); // icw3 = 02h
16202: pic_write(1, 1, 0x01); // icw4 = 01h
16203: }
16204:
16205: void pic_write(int c, UINT32 addr, UINT8 data)
16206: {
16207: if(addr & 1) {
16208: if(pic[c].icw2_r) {
16209: // icw2
16210: pic[c].icw2 = data;
16211: pic[c].icw2_r = 0;
16212: } else if(pic[c].icw3_r) {
16213: // icw3
16214: pic[c].icw3 = data;
16215: pic[c].icw3_r = 0;
16216: } else if(pic[c].icw4_r) {
16217: // icw4
16218: pic[c].icw4 = data;
16219: pic[c].icw4_r = 0;
16220: } else {
16221: // ocw1
1.1 root 16222: pic[c].imr = data;
16223: }
16224: } else {
16225: if(data & 0x10) {
16226: // icw1
16227: pic[c].icw1 = data;
16228: pic[c].icw2_r = 1;
16229: pic[c].icw3_r = (data & 2) ? 0 : 1;
16230: pic[c].icw4_r = data & 1;
16231: pic[c].irr = 0;
16232: pic[c].isr = 0;
16233: pic[c].imr = 0;
16234: pic[c].prio = 0;
16235: if(!(pic[c].icw1 & 1)) {
16236: pic[c].icw4 = 0;
16237: }
16238: pic[c].ocw3 = 0;
16239: } else if(data & 8) {
16240: // ocw3
16241: if(!(data & 2)) {
16242: data = (data & ~1) | (pic[c].ocw3 & 1);
16243: }
16244: if(!(data & 0x40)) {
16245: data = (data & ~0x20) | (pic[c].ocw3 & 0x20);
16246: }
16247: pic[c].ocw3 = data;
16248: } else {
16249: // ocw2
16250: int level = 0;
16251: if(data & 0x40) {
16252: level = data & 7;
16253: } else {
16254: if(!pic[c].isr) {
16255: return;
16256: }
16257: level = pic[c].prio;
16258: while(!(pic[c].isr & (1 << level))) {
16259: level = (level + 1) & 7;
16260: }
16261: }
16262: if(data & 0x80) {
16263: pic[c].prio = (level + 1) & 7;
16264: }
16265: if(data & 0x20) {
16266: pic[c].isr &= ~(1 << level);
16267: }
16268: }
16269: }
16270: pic_update();
16271: }
16272:
16273: UINT8 pic_read(int c, UINT32 addr)
16274: {
16275: if(addr & 1) {
16276: return(pic[c].imr);
16277: } else {
16278: // polling mode is not supported...
16279: //if(pic[c].ocw3 & 4) {
16280: // return ???;
16281: //}
16282: if(pic[c].ocw3 & 1) {
16283: return(pic[c].isr);
16284: } else {
16285: return(pic[c].irr);
16286: }
16287: }
16288: }
16289:
16290: void pic_req(int c, int level, int signal)
16291: {
16292: if(signal) {
16293: pic[c].irr |= (1 << level);
16294: } else {
16295: pic[c].irr &= ~(1 << level);
16296: }
16297: pic_update();
16298: }
16299:
16300: int pic_ack()
16301: {
16302: // ack (INTA=L)
16303: pic[pic_req_chip].isr |= pic_req_bit;
16304: pic[pic_req_chip].irr &= ~pic_req_bit;
16305: if(pic_req_chip > 0) {
16306: // update isr and irr of master
16307: UINT8 slave = 1 << (pic[pic_req_chip].icw3 & 7);
16308: pic[pic_req_chip - 1].isr |= slave;
16309: pic[pic_req_chip - 1].irr &= ~slave;
16310: }
16311: //if(pic[pic_req_chip].icw4 & 1) {
16312: // 8086 mode
16313: int vector = (pic[pic_req_chip].icw2 & 0xf8) | pic_req_level;
16314: //} else {
16315: // // 8080 mode
16316: // UINT16 addr = (UINT16)pic[pic_req_chip].icw2 << 8;
16317: // if(pic[pic_req_chip].icw1 & 4) {
16318: // addr |= (pic[pic_req_chip].icw1 & 0xe0) | (pic_req_level << 2);
16319: // } else {
16320: // addr |= (pic[pic_req_chip].icw1 & 0xc0) | (pic_req_level << 3);
16321: // }
16322: // vector = 0xcd | (addr << 8);
16323: //}
16324: if(pic[pic_req_chip].icw4 & 2) {
16325: // auto eoi
16326: pic[pic_req_chip].isr &= ~pic_req_bit;
16327: }
16328: return(vector);
16329: }
16330:
16331: void pic_update()
16332: {
16333: for(int c = 0; c < 2; c++) {
16334: UINT8 irr = pic[c].irr;
16335: if(c + 1 < 2) {
16336: // this is master
16337: if(pic[c + 1].irr & (~pic[c + 1].imr)) {
16338: // request from slave
16339: irr |= 1 << (pic[c + 1].icw3 & 7);
16340: }
16341: }
16342: irr &= (~pic[c].imr);
16343: if(!irr) {
16344: break;
16345: }
16346: if(!(pic[c].ocw3 & 0x20)) {
16347: irr |= pic[c].isr;
16348: }
16349: int level = pic[c].prio;
16350: UINT8 bit = 1 << level;
16351: while(!(irr & bit)) {
16352: level = (level + 1) & 7;
16353: bit = 1 << level;
16354: }
16355: if((c + 1 < 2) && (pic[c].icw3 & bit)) {
16356: // check slave
16357: continue;
16358: }
16359: if(pic[c].isr & bit) {
16360: break;
16361: }
16362: // interrupt request
16363: pic_req_chip = c;
16364: pic_req_level = level;
16365: pic_req_bit = bit;
1.1.1.3 root 16366: i386_set_irq_line(INPUT_LINE_IRQ, HOLD_LINE);
1.1 root 16367: return;
16368: }
1.1.1.3 root 16369: i386_set_irq_line(INPUT_LINE_IRQ, CLEAR_LINE);
1.1.1.2 root 16370: }
1.1 root 16371:
1.1.1.25 root 16372: // pio
16373:
16374: void pio_init()
16375: {
1.1.1.26 root 16376: memset(pio, 0, sizeof(pio));
1.1.1.37! root 16377:
1.1.1.25 root 16378: for(int c = 0; c < 2; c++) {
1.1.1.37! root 16379: pio[c].stat = 0xdf;
1.1.1.25 root 16380: pio[c].ctrl = 0x0c;
16381: }
16382: }
16383:
1.1.1.37! root 16384: void pio_finish()
! 16385: {
! 16386: pio_release();
! 16387: }
! 16388:
! 16389: void pio_release()
! 16390: {
! 16391: for(int c = 0; c < 2; c++) {
! 16392: if(pio[c].fp != NULL) {
! 16393: fclose(pio[c].fp);
! 16394: pio[c].fp = NULL;
! 16395: }
! 16396: }
! 16397: }
! 16398:
1.1.1.25 root 16399: void pio_write(int c, UINT32 addr, UINT8 data)
16400: {
16401: switch(addr & 3) {
16402: case 0:
16403: pio[c].data = data;
16404: break;
16405: case 2:
1.1.1.37! root 16406: if((pio[c].ctrl & 0x01) && !(data & 0x01)) {
! 16407: // strobe H -> L
! 16408: if(pio[c].data == 0x0d && (data & 0x02)) {
! 16409: // auto feed
! 16410: printer_out(c, 0x0d);
! 16411: printer_out(c, 0x0a);
! 16412: } else {
! 16413: printer_out(c, pio[c].data);
! 16414: }
! 16415: pio[c].stat &= ~0x40; // set ack
! 16416: }
1.1.1.25 root 16417: pio[c].ctrl = data;
16418: break;
16419: }
16420: }
16421:
16422: UINT8 pio_read(int c, UINT32 addr)
16423: {
16424: switch(addr & 3) {
16425: case 0:
1.1.1.37! root 16426: if(pio[c].ctrl & 0x20) {
! 16427: // input mode
! 16428: return(0xff);
! 16429: }
1.1.1.25 root 16430: return(pio[c].data);
16431: case 1:
1.1.1.37! root 16432: {
! 16433: UINT8 stat = pio[c].stat;
! 16434: pio[c].stat |= 0x40; // clear ack
! 16435: return(stat);
! 16436: }
1.1.1.25 root 16437: case 2:
16438: return(pio[c].ctrl);
16439: }
16440: return(0xff);
16441: }
16442:
1.1.1.37! root 16443: void printer_out(int c, UINT8 data)
! 16444: {
! 16445: SYSTEMTIME time;
! 16446:
! 16447: GetLocalTime(&time);
! 16448:
! 16449: if(pio[c].fp != NULL) {
! 16450: // if at least 1000ms passed from last written, close the current file
! 16451: FILETIME ftime1;
! 16452: FILETIME ftime2;
! 16453: SystemTimeToFileTime(&pio[c].time, &ftime1);
! 16454: SystemTimeToFileTime(&time, &ftime2);
! 16455: INT64 *time1 = (INT64 *)&ftime1;
! 16456: INT64 *time2 = (INT64 *)&ftime2;
! 16457: INT64 msec = (*time2 - *time1) / 10000;
! 16458:
! 16459: if(msec >= 1000) {
! 16460: fclose(pio[c].fp);
! 16461: pio[c].fp = NULL;
! 16462: }
! 16463: }
! 16464: if(pio[c].fp == NULL) {
! 16465: // create a new file in the temp folder
! 16466: char file_name[MAX_PATH];
! 16467:
! 16468: 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);
! 16469: if(GetTempPath(MAX_PATH, pio[c].path)) {
! 16470: strcat(pio[c].path, file_name);
! 16471: } else {
! 16472: strcpy(pio[c].path, file_name);
! 16473: }
! 16474: pio[c].fp = fopen(pio[c].path, "wb");
! 16475: }
! 16476: if(pio[c].fp != NULL) {
! 16477: fputc(data, pio[c].fp);
! 16478: pio[c].time = time;
! 16479: }
! 16480: }
! 16481:
1.1 root 16482: // pit
16483:
1.1.1.22 root 16484: #define PIT_FREQ 1193182ULL
1.1 root 16485: #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)
16486:
16487: void pit_init()
16488: {
1.1.1.8 root 16489: memset(pit, 0, sizeof(pit));
1.1 root 16490: for(int ch = 0; ch < 3; ch++) {
16491: pit[ch].count = 0x10000;
16492: pit[ch].ctrl_reg = 0x34;
16493: pit[ch].mode = 3;
16494: }
16495:
16496: // from bochs bios
16497: pit_write(3, 0x34);
16498: pit_write(0, 0x00);
16499: pit_write(0, 0x00);
16500: }
16501:
16502: void pit_write(int ch, UINT8 val)
16503: {
1.1.1.8 root 16504: #ifndef PIT_ALWAYS_RUNNING
1.1 root 16505: if(!pit_active) {
16506: pit_active = 1;
16507: pit_init();
16508: }
1.1.1.8 root 16509: #endif
1.1 root 16510: switch(ch) {
16511: case 0:
16512: case 1:
16513: case 2:
16514: // write count register
16515: if(!pit[ch].low_write && !pit[ch].high_write) {
16516: if(pit[ch].ctrl_reg & 0x10) {
16517: pit[ch].low_write = 1;
16518: }
16519: if(pit[ch].ctrl_reg & 0x20) {
16520: pit[ch].high_write = 1;
16521: }
16522: }
16523: if(pit[ch].low_write) {
16524: pit[ch].count_reg = val;
16525: pit[ch].low_write = 0;
16526: } else if(pit[ch].high_write) {
16527: if((pit[ch].ctrl_reg & 0x30) == 0x20) {
16528: pit[ch].count_reg = val << 8;
16529: } else {
16530: pit[ch].count_reg |= val << 8;
16531: }
16532: pit[ch].high_write = 0;
16533: }
16534: // start count
1.1.1.8 root 16535: if(!pit[ch].low_write && !pit[ch].high_write) {
16536: if(pit[ch].mode == 0 || pit[ch].mode == 4 || pit[ch].prev_time == 0) {
16537: pit[ch].count = PIT_COUNT_VALUE(ch);
16538: pit[ch].prev_time = timeGetTime();
16539: pit[ch].expired_time = pit[ch].prev_time + pit_get_expired_time(ch);
1.1 root 16540: }
16541: }
16542: break;
16543: case 3: // ctrl reg
16544: if((val & 0xc0) == 0xc0) {
16545: // i8254 read-back command
16546: for(ch = 0; ch < 3; ch++) {
16547: if(!(val & 0x10) && !pit[ch].status_latched) {
16548: pit[ch].status = pit[ch].ctrl_reg & 0x3f;
16549: pit[ch].status_latched = 1;
16550: }
16551: if(!(val & 0x20) && !pit[ch].count_latched) {
16552: pit_latch_count(ch);
16553: }
16554: }
16555: break;
16556: }
16557: ch = (val >> 6) & 3;
16558: if(val & 0x30) {
1.1.1.35 root 16559: static const int modes[8] = {0, 1, 2, 3, 4, 5, 2, 3};
1.1 root 16560: pit[ch].mode = modes[(val >> 1) & 7];
16561: pit[ch].count_latched = 0;
16562: pit[ch].low_read = pit[ch].high_read = 0;
16563: pit[ch].low_write = pit[ch].high_write = 0;
16564: pit[ch].ctrl_reg = val;
16565: // stop count
1.1.1.8 root 16566: pit[ch].prev_time = pit[ch].expired_time = 0;
1.1 root 16567: pit[ch].count_reg = 0;
16568: } else if(!pit[ch].count_latched) {
16569: pit_latch_count(ch);
16570: }
16571: break;
16572: }
16573: }
16574:
16575: UINT8 pit_read(int ch)
16576: {
1.1.1.8 root 16577: #ifndef PIT_ALWAYS_RUNNING
1.1 root 16578: if(!pit_active) {
16579: pit_active = 1;
16580: pit_init();
16581: }
1.1.1.8 root 16582: #endif
1.1 root 16583: switch(ch) {
16584: case 0:
16585: case 1:
16586: case 2:
16587: if(pit[ch].status_latched) {
16588: pit[ch].status_latched = 0;
16589: return(pit[ch].status);
16590: }
16591: // if not latched, through current count
16592: if(!pit[ch].count_latched) {
16593: if(!pit[ch].low_read && !pit[ch].high_read) {
16594: pit_latch_count(ch);
16595: }
16596: }
16597: // return latched count
16598: if(pit[ch].low_read) {
16599: pit[ch].low_read = 0;
16600: if(!pit[ch].high_read) {
16601: pit[ch].count_latched = 0;
16602: }
16603: return(pit[ch].latch & 0xff);
16604: } else if(pit[ch].high_read) {
16605: pit[ch].high_read = 0;
16606: pit[ch].count_latched = 0;
16607: return((pit[ch].latch >> 8) & 0xff);
16608: }
16609: }
16610: return(0xff);
16611: }
16612:
1.1.1.8 root 16613: int pit_run(int ch, UINT32 cur_time)
1.1 root 16614: {
1.1.1.8 root 16615: if(pit[ch].expired_time != 0 && cur_time >= pit[ch].expired_time) {
1.1 root 16616: pit[ch].count = PIT_COUNT_VALUE(ch);
1.1.1.8 root 16617: pit[ch].prev_time = pit[ch].expired_time;
16618: pit[ch].expired_time = pit[ch].prev_time + pit_get_expired_time(ch);
16619: if(cur_time >= pit[ch].expired_time) {
16620: pit[ch].prev_time = cur_time;
16621: pit[ch].expired_time = pit[ch].prev_time + pit_get_expired_time(ch);
1.1 root 16622: }
1.1.1.8 root 16623: return(1);
1.1 root 16624: }
1.1.1.8 root 16625: return(0);
1.1 root 16626: }
16627:
16628: void pit_latch_count(int ch)
16629: {
1.1.1.8 root 16630: if(pit[ch].expired_time != 0) {
1.1.1.26 root 16631: UINT32 cur_time = timeGetTime();
1.1.1.8 root 16632: pit_run(ch, cur_time);
16633: UINT32 tmp = (pit[ch].count * (pit[ch].expired_time - cur_time)) / (pit[ch].expired_time - pit[ch].prev_time);
1.1.1.26 root 16634: UINT16 latch = (tmp != 0) ? (UINT16)tmp : 1;
16635:
16636: if(pit[ch].prev_latch == latch && pit[ch].expired_time > cur_time) {
16637: // decrement counter in 1msec period
16638: if(pit[ch].next_latch == 0) {
16639: tmp = (pit[ch].count * (pit[ch].expired_time - cur_time - 1)) / (pit[ch].expired_time - pit[ch].prev_time);
16640: pit[ch].next_latch = (tmp != 0) ? (UINT16)tmp : 1;
16641: }
16642: if(pit[ch].latch > pit[ch].next_latch) {
16643: pit[ch].latch--;
16644: }
16645: } else {
16646: pit[ch].prev_latch = pit[ch].latch = latch;
16647: pit[ch].next_latch = 0;
16648: }
1.1.1.8 root 16649: } else {
16650: pit[ch].latch = (UINT16)pit[ch].count;
1.1.1.26 root 16651: pit[ch].prev_latch = pit[ch].next_latch = 0;
1.1 root 16652: }
16653: pit[ch].count_latched = 1;
16654: if((pit[ch].ctrl_reg & 0x30) == 0x10) {
16655: // lower byte
16656: pit[ch].low_read = 1;
16657: pit[ch].high_read = 0;
16658: } else if((pit[ch].ctrl_reg & 0x30) == 0x20) {
16659: // upper byte
16660: pit[ch].low_read = 0;
16661: pit[ch].high_read = 1;
16662: } else {
16663: // lower -> upper
1.1.1.14 root 16664: pit[ch].low_read = pit[ch].high_read = 1;
1.1 root 16665: }
16666: }
16667:
1.1.1.8 root 16668: int pit_get_expired_time(int ch)
1.1 root 16669: {
1.1.1.22 root 16670: pit[ch].accum += 1024ULL * 1000ULL * (UINT64)pit[ch].count / PIT_FREQ;
16671: UINT64 val = pit[ch].accum >> 10;
16672: pit[ch].accum -= val << 10;
16673: return((val != 0) ? val : 1);
1.1.1.8 root 16674: }
16675:
1.1.1.25 root 16676: // sio
16677:
16678: void sio_init()
16679: {
1.1.1.26 root 16680: memset(sio, 0, sizeof(sio));
16681: memset(sio_mt, 0, sizeof(sio_mt));
16682:
1.1.1.29 root 16683: for(int c = 0; c < 4; c++) {
1.1.1.25 root 16684: sio[c].send_buffer = new FIFO(SIO_BUFFER_SIZE);
16685: sio[c].recv_buffer = new FIFO(SIO_BUFFER_SIZE);
16686:
16687: sio[c].divisor.w = 12; // 115200Hz / 9600Baud
16688: sio[c].line_ctrl = 0x03; // 8bit, stop 1bit, non parity
1.1.1.26 root 16689: sio[c].modem_ctrl = 0x03; // rts=on, dtr=on
16690: sio[c].set_rts = sio[c].set_dtr = true;
1.1.1.25 root 16691: sio[c].line_stat_buf = 0x60; // send/recv buffers are empty
16692: sio[c].irq_identify = 0x01; // no pending irq
16693:
16694: InitializeCriticalSection(&sio_mt[c].csSendData);
16695: InitializeCriticalSection(&sio_mt[c].csRecvData);
16696: InitializeCriticalSection(&sio_mt[c].csLineCtrl);
16697: InitializeCriticalSection(&sio_mt[c].csLineStat);
16698: InitializeCriticalSection(&sio_mt[c].csModemCtrl);
16699: InitializeCriticalSection(&sio_mt[c].csModemStat);
16700:
1.1.1.26 root 16701: if(sio_port_number[c] != 0) {
1.1.1.25 root 16702: sio[c].channel = c;
16703: sio_mt[c].hThread = CreateThread(NULL, 0, sio_thread, &sio[c], 0, NULL);
16704: }
16705: }
16706: }
16707:
16708: void sio_finish()
16709: {
1.1.1.29 root 16710: for(int c = 0; c < 4; c++) {
1.1.1.25 root 16711: if(sio_mt[c].hThread != NULL) {
16712: WaitForSingleObject(sio_mt[c].hThread, INFINITE);
16713: CloseHandle(sio_mt[c].hThread);
1.1.1.28 root 16714: sio_mt[c].hThread = NULL;
1.1.1.25 root 16715: }
16716: DeleteCriticalSection(&sio_mt[c].csSendData);
16717: DeleteCriticalSection(&sio_mt[c].csRecvData);
16718: DeleteCriticalSection(&sio_mt[c].csLineCtrl);
16719: DeleteCriticalSection(&sio_mt[c].csLineStat);
16720: DeleteCriticalSection(&sio_mt[c].csModemCtrl);
16721: DeleteCriticalSection(&sio_mt[c].csModemStat);
1.1.1.28 root 16722: }
16723: sio_release();
16724: }
16725:
16726: void sio_release()
16727: {
1.1.1.29 root 16728: for(int c = 0; c < 4; c++) {
1.1.1.28 root 16729: // sio_thread() may access the resources :-(
1.1.1.32 root 16730: bool running = (sio_mt[c].hThread != NULL);
16731:
16732: if(running) {
16733: EnterCriticalSection(&sio_mt[c].csSendData);
16734: }
16735: if(sio[c].send_buffer != NULL) {
16736: sio[c].send_buffer->release();
16737: delete sio[c].send_buffer;
16738: sio[c].send_buffer = NULL;
16739: }
16740: if(running) {
16741: LeaveCriticalSection(&sio_mt[c].csSendData);
16742: EnterCriticalSection(&sio_mt[c].csRecvData);
16743: }
16744: if(sio[c].recv_buffer != NULL) {
16745: sio[c].recv_buffer->release();
16746: delete sio[c].recv_buffer;
16747: sio[c].recv_buffer = NULL;
16748: }
16749: if(running) {
16750: LeaveCriticalSection(&sio_mt[c].csRecvData);
1.1.1.28 root 16751: }
1.1.1.25 root 16752: }
16753: }
16754:
16755: void sio_write(int c, UINT32 addr, UINT8 data)
16756: {
16757: switch(addr & 7) {
16758: case 0:
16759: if(sio[c].selector & 0x80) {
16760: if(sio[c].divisor.b.l != data) {
16761: EnterCriticalSection(&sio_mt[c].csLineCtrl);
16762: sio[c].divisor.b.l = data;
16763: LeaveCriticalSection(&sio_mt[c].csLineCtrl);
16764: }
16765: } else {
16766: EnterCriticalSection(&sio_mt[c].csSendData);
1.1.1.32 root 16767: if(sio[c].send_buffer != NULL) {
16768: sio[c].send_buffer->write(data);
16769: }
1.1.1.25 root 16770: // transmitter holding/shift registers are not empty
16771: sio[c].line_stat_buf &= ~0x60;
16772: LeaveCriticalSection(&sio_mt[c].csSendData);
16773:
16774: if(sio[c].irq_enable & 0x02) {
16775: sio_update_irq(c);
16776: }
16777: }
16778: break;
16779: case 1:
16780: if(sio[c].selector & 0x80) {
16781: if(sio[c].divisor.b.h != data) {
16782: EnterCriticalSection(&sio_mt[c].csLineCtrl);
16783: sio[c].divisor.b.h = data;
16784: LeaveCriticalSection(&sio_mt[c].csLineCtrl);
16785: }
16786: } else {
16787: if(sio[c].irq_enable != data) {
16788: sio[c].irq_enable = data;
16789: sio_update_irq(c);
16790: }
16791: }
16792: break;
16793: case 3:
16794: {
16795: UINT8 line_ctrl = data & 0x3f;
16796: bool set_brk = ((data & 0x40) != 0);
16797:
16798: if(sio[c].line_ctrl != line_ctrl) {
16799: EnterCriticalSection(&sio_mt[c].csLineCtrl);
16800: sio[c].line_ctrl = line_ctrl;
16801: LeaveCriticalSection(&sio_mt[c].csLineCtrl);
16802: }
16803: if(sio[c].set_brk != set_brk) {
16804: EnterCriticalSection(&sio_mt[c].csModemCtrl);
16805: sio[c].set_brk = set_brk;
16806: LeaveCriticalSection(&sio_mt[c].csModemCtrl);
16807: }
16808: }
16809: sio[c].selector = data;
16810: break;
16811: case 4:
16812: {
16813: bool set_dtr = ((data & 0x01) != 0);
16814: bool set_rts = ((data & 0x02) != 0);
16815:
16816: if(sio[c].set_dtr != set_dtr || sio[c].set_rts != set_rts) {
1.1.1.26 root 16817: // EnterCriticalSection(&sio_mt[c].csModemCtrl);
1.1.1.25 root 16818: sio[c].set_dtr = set_dtr;
16819: sio[c].set_rts = set_rts;
1.1.1.26 root 16820: // LeaveCriticalSection(&sio_mt[c].csModemCtrl);
16821:
16822: bool state_changed = false;
16823:
16824: EnterCriticalSection(&sio_mt[c].csModemStat);
16825: if(set_dtr) {
16826: sio[c].modem_stat |= 0x20; // dsr on
16827: } else {
16828: sio[c].modem_stat &= ~0x20; // dsr off
16829: }
16830: if(set_rts) {
16831: sio[c].modem_stat |= 0x10; // cts on
16832: } else {
16833: sio[c].modem_stat &= ~0x10; // cts off
16834: }
16835: if((sio[c].prev_modem_stat & 0x20) != (sio[c].modem_stat & 0x20)) {
16836: if(!(sio[c].modem_stat & 0x02)) {
16837: if(sio[c].irq_enable & 0x08) {
16838: state_changed = true;
16839: }
16840: sio[c].modem_stat |= 0x02;
16841: }
16842: }
16843: if((sio[c].prev_modem_stat & 0x10) != (sio[c].modem_stat & 0x10)) {
16844: if(!(sio[c].modem_stat & 0x01)) {
16845: if(sio[c].irq_enable & 0x08) {
16846: state_changed = true;
16847: }
16848: sio[c].modem_stat |= 0x01;
16849: }
16850: }
16851: LeaveCriticalSection(&sio_mt[c].csModemStat);
16852:
16853: if(state_changed) {
16854: sio_update_irq(c);
16855: }
1.1.1.25 root 16856: }
16857: }
16858: sio[c].modem_ctrl = data;
16859: break;
16860: case 7:
16861: sio[c].scratch = data;
16862: break;
16863: }
16864: }
16865:
16866: UINT8 sio_read(int c, UINT32 addr)
16867: {
16868: switch(addr & 7) {
16869: case 0:
16870: if(sio[c].selector & 0x80) {
16871: return(sio[c].divisor.b.l);
16872: } else {
16873: EnterCriticalSection(&sio_mt[c].csRecvData);
1.1.1.32 root 16874: UINT8 data = 0;
16875: if(sio[c].recv_buffer != NULL) {
16876: data = sio[c].recv_buffer->read();
16877: }
1.1.1.25 root 16878: // data is not ready
16879: sio[c].line_stat_buf &= ~0x01;
16880: LeaveCriticalSection(&sio_mt[c].csRecvData);
16881:
16882: if(sio[c].irq_enable & 0x01) {
16883: sio_update_irq(c);
16884: }
16885: return(data);
16886: }
16887: case 1:
16888: if(sio[c].selector & 0x80) {
16889: return(sio[c].divisor.b.h);
16890: } else {
16891: return(sio[c].irq_enable);
16892: }
16893: case 2:
16894: return(sio[c].irq_identify);
16895: case 3:
16896: return(sio[c].selector);
16897: case 4:
16898: return(sio[c].modem_ctrl);
16899: case 5:
16900: {
16901: EnterCriticalSection(&sio_mt[c].csLineStat);
16902: UINT8 val = sio[c].line_stat_err | sio[c].line_stat_buf;
16903: sio[c].line_stat_err = 0x00;
16904: LeaveCriticalSection(&sio_mt[c].csLineStat);
16905:
16906: bool state_changed = false;
16907:
16908: if((sio[c].line_stat_buf & 0x60) == 0x00) {
16909: EnterCriticalSection(&sio_mt[c].csSendData);
1.1.1.32 root 16910: if(sio[c].send_buffer != NULL && !sio[c].send_buffer->full()) {
1.1.1.25 root 16911: // transmitter holding register will be empty first
16912: if(sio[c].irq_enable & 0x02) {
16913: state_changed = true;
16914: }
16915: sio[c].line_stat_buf |= 0x20;
16916: }
16917: LeaveCriticalSection(&sio_mt[c].csSendData);
16918: } else if((sio[c].line_stat_buf & 0x60) == 0x20) {
16919: // transmitter shift register will be empty later
16920: sio[c].line_stat_buf |= 0x40;
16921: }
16922: if(!(sio[c].line_stat_buf & 0x01)) {
16923: EnterCriticalSection(&sio_mt[c].csRecvData);
1.1.1.32 root 16924: if(sio[c].recv_buffer != NULL && !sio[c].recv_buffer->empty()) {
1.1.1.25 root 16925: // data is ready
16926: if(sio[c].irq_enable & 0x01) {
16927: state_changed = true;
16928: }
16929: sio[c].line_stat_buf |= 0x01;
16930: }
16931: LeaveCriticalSection(&sio_mt[c].csRecvData);
16932: }
16933: if(state_changed) {
16934: sio_update_irq(c);
16935: }
16936: return(val);
16937: }
16938: case 6:
16939: {
16940: EnterCriticalSection(&sio_mt[c].csModemStat);
16941: UINT8 val = sio[c].modem_stat;
16942: sio[c].modem_stat &= 0xf0;
16943: sio[c].prev_modem_stat = sio[c].modem_stat;
16944: LeaveCriticalSection(&sio_mt[c].csModemStat);
16945:
16946: if(sio[c].modem_ctrl & 0x10) {
16947: // loop-back
16948: val &= 0x0f;
16949: val |= (sio[c].modem_ctrl & 0x0c) << 4;
16950: val |= (sio[c].modem_ctrl & 0x01) << 5;
16951: val |= (sio[c].modem_ctrl & 0x02) << 3;
16952: }
16953: return(val);
16954: }
16955: case 7:
16956: return(sio[c].scratch);
16957: }
16958: return(0xff);
16959: }
16960:
16961: void sio_update(int c)
16962: {
16963: if((sio[c].line_stat_buf & 0x60) == 0x00) {
16964: EnterCriticalSection(&sio_mt[c].csSendData);
1.1.1.32 root 16965: if(sio[c].send_buffer != NULL && !sio[c].send_buffer->full()) {
1.1.1.25 root 16966: // transmitter holding/shift registers will be empty
16967: sio[c].line_stat_buf |= 0x60;
16968: }
16969: LeaveCriticalSection(&sio_mt[c].csSendData);
16970: } else if((sio[c].line_stat_buf & 0x60) == 0x20) {
16971: // transmitter shift register will be empty
16972: sio[c].line_stat_buf |= 0x40;
16973: }
16974: if(!(sio[c].line_stat_buf & 0x01)) {
16975: EnterCriticalSection(&sio_mt[c].csRecvData);
1.1.1.32 root 16976: if(sio[c].recv_buffer != NULL && !sio[c].recv_buffer->empty()) {
1.1.1.25 root 16977: // data is ready
16978: sio[c].line_stat_buf |= 0x01;
16979: }
16980: LeaveCriticalSection(&sio_mt[c].csRecvData);
16981: }
16982: sio_update_irq(c);
16983: }
16984:
16985: void sio_update_irq(int c)
16986: {
16987: int level = -1;
16988:
16989: if(sio[c].irq_enable & 0x08) {
16990: EnterCriticalSection(&sio_mt[c].csModemStat);
16991: if((sio[c].modem_stat & 0x0f) != 0) {
16992: level = 0;
16993: }
16994: EnterCriticalSection(&sio_mt[c].csModemStat);
16995: }
16996: if(sio[c].irq_enable & 0x02) {
16997: if(sio[c].line_stat_buf & 0x20) {
16998: level = 1;
16999: }
17000: }
17001: if(sio[c].irq_enable & 0x01) {
17002: if(sio[c].line_stat_buf & 0x01) {
17003: level = 2;
17004: }
17005: }
17006: if(sio[c].irq_enable & 0x04) {
17007: EnterCriticalSection(&sio_mt[c].csLineStat);
17008: if(sio[c].line_stat_err != 0) {
17009: level = 3;
17010: }
17011: LeaveCriticalSection(&sio_mt[c].csLineStat);
17012: }
1.1.1.29 root 17013:
17014: // COM1 and COM3 shares IRQ4, COM2 and COM4 shares IRQ3
1.1.1.25 root 17015: if(level != -1) {
17016: sio[c].irq_identify = level << 1;
1.1.1.29 root 17017: pic_req(0, (c == 0 || c == 2) ? 4 : 3, 1);
1.1.1.25 root 17018: } else {
17019: sio[c].irq_identify = 1;
1.1.1.29 root 17020: pic_req(0, (c == 0 || c == 2) ? 4 : 3, 0);
1.1.1.25 root 17021: }
17022: }
17023:
17024: DWORD WINAPI sio_thread(void *lpx)
17025: {
17026: volatile sio_t *p = (sio_t *)lpx;
17027: sio_mt_t *q = &sio_mt[p->channel];
17028:
17029: char name[] = "COM1";
1.1.1.26 root 17030: name[3] = '0' + sio_port_number[p->channel];
17031: HANDLE hComm = NULL;
17032: COMMPROP commProp;
17033: DCB dcb;
17034: DWORD dwSettableBaud = 0xffb; // 75, 110, 150, 300, 600, 1200, 1800, 2400, 4800, 7200, and 9600bps
17035: BYTE bytBuffer[SIO_BUFFER_SIZE];
17036:
17037: if((hComm = CreateFile(name, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL)) != INVALID_HANDLE_VALUE) {
17038: if(GetCommProperties(hComm, &commProp)) {
17039: dwSettableBaud = commProp.dwSettableBaud;
17040: }
1.1.1.25 root 17041: EscapeCommFunction(hComm, CLRBREAK);
1.1.1.26 root 17042: // EscapeCommFunction(hComm, SETRTS);
17043: // EscapeCommFunction(hComm, SETDTR);
1.1.1.25 root 17044:
17045: while(!m_halted) {
17046: // setup comm port
17047: bool comm_state_changed = false;
17048:
17049: EnterCriticalSection(&q->csLineCtrl);
17050: if((p->prev_divisor != p->divisor.w || p->prev_line_ctrl != p->line_ctrl) && p->divisor.w != 0) {
17051: p->prev_divisor = p->divisor.w;
17052: p->prev_line_ctrl = p->line_ctrl;
17053: comm_state_changed = true;
17054: }
17055: LeaveCriticalSection(&q->csLineCtrl);
17056:
17057: if(comm_state_changed) {
1.1.1.26 root 17058: if(GetCommState(hComm, &dcb)) {
17059: // dcb.BaudRate = min(9600, 115200 / p->prev_divisor);
17060: DWORD baud = 115200 / p->prev_divisor;
17061: dcb.BaudRate = 9600; // default
17062:
17063: if((dwSettableBaud & BAUD_075 ) && baud >= 75 ) dcb.BaudRate = 75;
17064: if((dwSettableBaud & BAUD_110 ) && baud >= 110 ) dcb.BaudRate = 110;
17065: // 134.5bps is not supported ???
17066: // if((dwSettableBaud & BAUD_134_5) && baud >= 134.5) dcb.BaudRate = 134.5;
17067: if((dwSettableBaud & BAUD_150 ) && baud >= 150 ) dcb.BaudRate = 150;
17068: if((dwSettableBaud & BAUD_300 ) && baud >= 300 ) dcb.BaudRate = 300;
17069: if((dwSettableBaud & BAUD_600 ) && baud >= 600 ) dcb.BaudRate = 600;
17070: if((dwSettableBaud & BAUD_1200 ) && baud >= 1200 ) dcb.BaudRate = 1200;
17071: if((dwSettableBaud & BAUD_1800 ) && baud >= 1800 ) dcb.BaudRate = 1800;
17072: if((dwSettableBaud & BAUD_2400 ) && baud >= 2400 ) dcb.BaudRate = 2400;
17073: if((dwSettableBaud & BAUD_4800 ) && baud >= 4800 ) dcb.BaudRate = 4800;
17074: if((dwSettableBaud & BAUD_7200 ) && baud >= 7200 ) dcb.BaudRate = 7200;
17075: if((dwSettableBaud & BAUD_9600 ) && baud >= 9600 ) dcb.BaudRate = 9600;
17076: // if((dwSettableBaud & BAUD_14400) && baud >= 14400) dcb.BaudRate = 14400;
17077: // if((dwSettableBaud & BAUD_19200) && baud >= 19200) dcb.BaudRate = 19200;
17078: // if((dwSettableBaud & BAUD_38400) && baud >= 38400) dcb.BaudRate = 38400;
17079:
17080: switch(p->prev_line_ctrl & 0x03) {
17081: case 0x00: dcb.ByteSize = 5; break;
17082: case 0x01: dcb.ByteSize = 6; break;
17083: case 0x02: dcb.ByteSize = 7; break;
17084: case 0x03: dcb.ByteSize = 8; break;
17085: }
17086: switch(p->prev_line_ctrl & 0x04) {
17087: case 0x00: dcb.StopBits = ONESTOPBIT; break;
17088: case 0x04: dcb.StopBits = (dcb.ByteSize == 5) ? ONE5STOPBITS : TWOSTOPBITS; break;
17089: }
17090: switch(p->prev_line_ctrl & 0x38) {
17091: case 0x08: dcb.Parity = ODDPARITY; break;
17092: case 0x18: dcb.Parity = EVENPARITY; break;
17093: case 0x28: dcb.Parity = MARKPARITY; break;
17094: case 0x38: dcb.Parity = SPACEPARITY; break;
17095: default: dcb.Parity = NOPARITY; break;
17096: }
17097: dcb.fBinary = TRUE;
17098: dcb.fParity = (dcb.Parity != NOPARITY);
17099: dcb.fOutxCtsFlow = dcb.fOutxDsrFlow = TRUE;
17100: dcb.fDtrControl = DTR_CONTROL_HANDSHAKE;
17101: dcb.fDsrSensitivity = FALSE;//TRUE;
17102: dcb.fTXContinueOnXoff = TRUE;
17103: dcb.fOutX = dcb.fInX = FALSE;
17104: dcb.fErrorChar = FALSE;
17105: dcb.fNull = FALSE;
17106: dcb.fRtsControl = RTS_CONTROL_HANDSHAKE;
17107: dcb.fAbortOnError = FALSE;
17108:
17109: SetCommState(hComm, &dcb);
1.1.1.25 root 17110: }
17111:
17112: // check again to apply all comm state changes
17113: Sleep(10);
17114: continue;
17115: }
17116:
17117: // set comm pins
17118: bool change_brk = false;
1.1.1.26 root 17119: // bool change_rts = false;
17120: // bool change_dtr = false;
1.1.1.25 root 17121:
17122: EnterCriticalSection(&q->csModemCtrl);
17123: if(p->prev_set_brk != p->set_brk) {
17124: p->prev_set_brk = p->set_brk;
17125: change_brk = true;
17126: }
1.1.1.26 root 17127: // if(p->prev_set_rts != p->set_rts) {
17128: // p->prev_set_rts = p->set_rts;
17129: // change_rts = true;
17130: // }
17131: // if(p->prev_set_dtr != p->set_dtr) {
17132: // p->prev_set_dtr = p->set_dtr;
17133: // change_dtr = true;
17134: // }
1.1.1.25 root 17135: LeaveCriticalSection(&q->csModemCtrl);
17136:
17137: if(change_brk) {
1.1.1.26 root 17138: static UINT32 clear_time = 0;
17139: if(p->prev_set_brk) {
17140: EscapeCommFunction(hComm, SETBREAK);
17141: clear_time = timeGetTime() + 200;
17142: } else {
17143: // keep break for at least 200msec
17144: UINT32 cur_time = timeGetTime();
17145: if(clear_time > cur_time) {
17146: Sleep(clear_time - cur_time);
17147: }
17148: EscapeCommFunction(hComm, CLRBREAK);
17149: }
1.1.1.25 root 17150: }
1.1.1.26 root 17151: // if(change_rts) {
17152: // if(p->prev_set_rts) {
17153: // EscapeCommFunction(hComm, SETRTS);
17154: // } else {
17155: // EscapeCommFunction(hComm, CLRRTS);
17156: // }
17157: // }
17158: // if(change_dtr) {
17159: // if(p->prev_set_dtr) {
17160: // EscapeCommFunction(hComm, SETDTR);
17161: // } else {
17162: // EscapeCommFunction(hComm, CLRDTR);
17163: // }
17164: // }
1.1.1.25 root 17165:
17166: // get comm pins
17167: DWORD dwModemStat = 0;
17168:
17169: if(GetCommModemStatus(hComm, &dwModemStat)) {
17170: EnterCriticalSection(&q->csModemStat);
17171: if(dwModemStat & MS_RLSD_ON) {
17172: p->modem_stat |= 0x80;
17173: } else {
17174: p->modem_stat &= ~0x80;
17175: }
17176: if(dwModemStat & MS_RING_ON) {
17177: p->modem_stat |= 0x40;
17178: } else {
17179: p->modem_stat &= ~0x40;
17180: }
1.1.1.26 root 17181: // if(dwModemStat & MS_DSR_ON) {
17182: // p->modem_stat |= 0x20;
17183: // } else {
17184: // p->modem_stat &= ~0x20;
17185: // }
17186: // if(dwModemStat & MS_CTS_ON) {
17187: // p->modem_stat |= 0x10;
17188: // } else {
17189: // p->modem_stat &= ~0x10;
17190: // }
1.1.1.25 root 17191: if((p->prev_modem_stat & 0x80) != (p->modem_stat & 0x80)) {
17192: p->modem_stat |= 0x08;
17193: }
17194: if((p->prev_modem_stat & 0x40) && !(p->modem_stat & 0x40)) {
17195: p->modem_stat |= 0x04;
17196: }
1.1.1.26 root 17197: // if((p->prev_modem_stat & 0x20) != (p->modem_stat & 0x20)) {
17198: // p->modem_stat |= 0x02;
17199: // }
17200: // if((p->prev_modem_stat & 0x10) != (p->modem_stat & 0x10)) {
17201: // p->modem_stat |= 0x01;
17202: // }
1.1.1.25 root 17203: LeaveCriticalSection(&q->csModemStat);
17204: }
17205:
17206: // send data
17207: DWORD dwSend = 0;
17208:
17209: EnterCriticalSection(&q->csSendData);
1.1.1.32 root 17210: while(p->send_buffer != NULL && !p->send_buffer->empty()) {
1.1.1.25 root 17211: bytBuffer[dwSend++] = p->send_buffer->read();
17212: }
17213: LeaveCriticalSection(&q->csSendData);
17214:
17215: if(dwSend != 0) {
17216: DWORD dwWritten = 0;
17217: WriteFile(hComm, bytBuffer, dwSend, &dwWritten, NULL);
17218: }
17219:
17220: // get line status and recv data
17221: DWORD dwLineStat = 0;
17222: COMSTAT comStat;
17223:
17224: if(ClearCommError(hComm, &dwLineStat, &comStat)) {
17225: EnterCriticalSection(&q->csLineStat);
17226: if(dwLineStat & CE_BREAK) {
17227: p->line_stat_err |= 0x10;
17228: }
17229: if(dwLineStat & CE_FRAME) {
17230: p->line_stat_err |= 0x08;
17231: }
17232: if(dwLineStat & CE_RXPARITY) {
17233: p->line_stat_err |= 0x04;
17234: }
17235: if(dwLineStat & CE_OVERRUN) {
17236: p->line_stat_err |= 0x02;
17237: }
17238: LeaveCriticalSection(&q->csLineStat);
17239:
17240: if(comStat.cbInQue != 0) {
17241: EnterCriticalSection(&q->csRecvData);
1.1.1.32 root 17242: DWORD dwRecv = 0;
17243: if(p->recv_buffer != NULL) {
17244: dwRecv = min(comStat.cbInQue, p->recv_buffer->remain());
17245: }
1.1.1.25 root 17246: LeaveCriticalSection(&q->csRecvData);
17247:
17248: if(dwRecv != 0) {
17249: DWORD dwRead = 0;
17250: if(ReadFile(hComm, bytBuffer, dwRecv, &dwRead, NULL) && dwRead != 0) {
17251: EnterCriticalSection(&q->csRecvData);
1.1.1.32 root 17252: if(p->recv_buffer != NULL) {
17253: for(int i = 0; i < dwRead; i++) {
17254: p->recv_buffer->write(bytBuffer[i]);
17255: }
1.1.1.25 root 17256: }
17257: LeaveCriticalSection(&q->csRecvData);
17258: }
17259: }
17260: }
17261: }
17262: Sleep(10);
17263: }
17264: CloseHandle(hComm);
17265: }
17266: return 0;
17267: }
17268:
1.1.1.8 root 17269: // cmos
17270:
17271: void cmos_init()
17272: {
17273: memset(cmos, 0, sizeof(cmos));
17274: cmos_addr = 0;
1.1 root 17275:
1.1.1.8 root 17276: // from DOSBox
17277: cmos_write(0x0a, 0x26);
17278: cmos_write(0x0b, 0x02);
17279: cmos_write(0x0d, 0x80);
1.1 root 17280: }
17281:
1.1.1.8 root 17282: void cmos_write(int addr, UINT8 val)
1.1 root 17283: {
1.1.1.8 root 17284: cmos[addr & 0x7f] = val;
17285: }
17286:
17287: #define CMOS_GET_TIME() { \
17288: UINT32 cur_sec = timeGetTime() / 1000 ; \
17289: if(prev_sec != cur_sec) { \
17290: GetLocalTime(&time); \
17291: prev_sec = cur_sec; \
17292: } \
1.1 root 17293: }
1.1.1.8 root 17294: #define CMOS_BCD(v) ((cmos[0x0b] & 4) ? (v) : to_bcd(v))
1.1 root 17295:
1.1.1.8 root 17296: UINT8 cmos_read(int addr)
1.1 root 17297: {
1.1.1.8 root 17298: static SYSTEMTIME time;
17299: static UINT32 prev_sec = 0;
1.1 root 17300:
1.1.1.8 root 17301: switch(addr & 0x7f) {
17302: case 0x00: CMOS_GET_TIME(); return(CMOS_BCD(time.wSecond));
17303: case 0x02: CMOS_GET_TIME(); return(CMOS_BCD(time.wMinute));
17304: case 0x04: CMOS_GET_TIME(); return(CMOS_BCD(time.wHour));
17305: case 0x06: CMOS_GET_TIME(); return(time.wDayOfWeek + 1);
17306: case 0x07: CMOS_GET_TIME(); return(CMOS_BCD(time.wDay));
17307: case 0x08: CMOS_GET_TIME(); return(CMOS_BCD(time.wMonth));
17308: case 0x09: CMOS_GET_TIME(); return(CMOS_BCD(time.wYear));
17309: // case 0x0a: return((cmos[0x0a] & 0x7f) | ((timeGetTime() % 1000) < 2 ? 0x80 : 0)); // 2msec
17310: case 0x0a: return((cmos[0x0a] & 0x7f) | ((timeGetTime() % 1000) < 20 ? 0x80 : 0)); // precision of timeGetTime() may not be 1msec
17311: case 0x15: return((MEMORY_END >> 10) & 0xff);
17312: case 0x16: return((MEMORY_END >> 18) & 0xff);
17313: case 0x17: return(((MAX_MEM - 0x100000) >> 10) & 0xff);
17314: case 0x18: return(((MAX_MEM - 0x100000) >> 18) & 0xff);
17315: case 0x30: return(((MAX_MEM - 0x100000) >> 10) & 0xff);
17316: case 0x31: return(((MAX_MEM - 0x100000) >> 18) & 0xff);
17317: case 0x32: CMOS_GET_TIME(); return(CMOS_BCD(time.wYear / 100));
1.1 root 17318: }
1.1.1.8 root 17319: return(cmos[addr & 0x7f]);
1.1 root 17320: }
17321:
1.1.1.7 root 17322: // kbd (a20)
17323:
17324: void kbd_init()
17325: {
1.1.1.8 root 17326: kbd_data = kbd_command = 0;
1.1.1.7 root 17327: kbd_status = 0x18;
17328: }
17329:
17330: UINT8 kbd_read_data()
17331: {
1.1.1.8 root 17332: kbd_status &= ~1;
1.1.1.7 root 17333: return(kbd_data);
17334: }
17335:
17336: void kbd_write_data(UINT8 val)
17337: {
17338: switch(kbd_command) {
17339: case 0xd1:
17340: i386_set_a20_line((val >> 1) & 1);
17341: break;
17342: }
17343: kbd_command = 0;
1.1.1.8 root 17344: kbd_status &= ~8;
1.1.1.7 root 17345: }
17346:
17347: UINT8 kbd_read_status()
17348: {
17349: return(kbd_status);
17350: }
17351:
17352: void kbd_write_command(UINT8 val)
17353: {
17354: switch(val) {
17355: case 0xd0:
17356: kbd_data = ((m_a20_mask >> 19) & 2) | 1;
1.1.1.8 root 17357: kbd_status |= 1;
1.1.1.7 root 17358: break;
17359: case 0xdd:
17360: i386_set_a20_line(0);
17361: break;
17362: case 0xdf:
17363: i386_set_a20_line(1);
17364: break;
1.1.1.26 root 17365: case 0xf0: case 0xf1: case 0xf2: case 0xf3: case 0xf4: case 0xf5: case 0xf6: case 0xf7:
17366: case 0xf8: case 0xf9: case 0xfa: case 0xfb: case 0xfc: case 0xfd: case 0xfe: case 0xff:
1.1.1.7 root 17367: if(!(val & 1)) {
1.1.1.8 root 17368: if((cmos[0x0f] & 0x7f) == 5) {
1.1.1.7 root 17369: // reset pic
17370: pic_init();
17371: pic[0].irr = pic[1].irr = 0x00;
17372: pic[0].imr = pic[1].imr = 0xff;
17373: }
17374: CPU_RESET_CALL(CPU_MODEL);
17375: i386_jmp_far(0x40, 0x67);
17376: }
17377: i386_set_a20_line((val >> 1) & 1);
17378: break;
17379: }
17380: kbd_command = val;
1.1.1.8 root 17381: kbd_status |= 8;
1.1.1.7 root 17382: }
17383:
1.1.1.9 root 17384: // vga
17385:
17386: UINT8 vga_read_status()
17387: {
17388: // 60hz
17389: static const int period[3] = {16, 17, 17};
17390: static int index = 0;
17391: UINT32 time = timeGetTime() % period[index];
17392:
17393: index = (index + 1) % 3;
1.1.1.14 root 17394: return((time < 4 ? 0x08 : 0) | (time == 0 ? 0 : 0x01));
1.1.1.9 root 17395: }
17396:
1.1 root 17397: // i/o bus
17398:
1.1.1.29 root 17399: // this is ugly patch for SW1US.EXE, it sometimes mistakely read/write 01h-10h for serial I/O
17400: //#define SW1US_PATCH
17401:
1.1.1.25 root 17402: UINT8 read_io_byte(offs_t addr)
1.1.1.33 root 17403: #ifdef USE_DEBUGGER
1.1.1.25 root 17404: {
1.1.1.33 root 17405: if(now_debugging) {
17406: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
17407: if(in_break_point.table[i].status == 1) {
17408: if(addr == in_break_point.table[i].addr) {
17409: in_break_point.hit = i + 1;
17410: now_suspended = true;
17411: break;
17412: }
17413: }
17414: }
1.1.1.25 root 17415: }
1.1.1.33 root 17416: return(debugger_read_io_byte(addr));
1.1.1.25 root 17417: }
1.1.1.33 root 17418: UINT8 debugger_read_io_byte(offs_t addr)
1.1.1.25 root 17419: #endif
1.1 root 17420: {
1.1.1.33 root 17421: UINT8 val = 0xff;
17422:
1.1 root 17423: switch(addr) {
1.1.1.29 root 17424: #ifdef SW1US_PATCH
17425: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07: case 0x08:
17426: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f: case 0x10:
1.1.1.33 root 17427: val = sio_read(0, addr - 1);
17428: break;
1.1.1.29 root 17429: #else
1.1.1.25 root 17430: case 0x00: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07:
17431: case 0x08: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f:
1.1.1.33 root 17432: val = dma_read(0, addr);
17433: break;
1.1.1.29 root 17434: #endif
1.1.1.25 root 17435: case 0x20: case 0x21:
1.1.1.33 root 17436: val = pic_read(0, addr);
17437: break;
1.1.1.25 root 17438: case 0x40: case 0x41: case 0x42: case 0x43:
1.1.1.33 root 17439: val = pit_read(addr & 0x03);
17440: break;
1.1.1.7 root 17441: case 0x60:
1.1.1.33 root 17442: val = kbd_read_data();
17443: break;
1.1.1.9 root 17444: case 0x61:
1.1.1.33 root 17445: val = system_port;
17446: break;
1.1.1.7 root 17447: case 0x64:
1.1.1.33 root 17448: val = kbd_read_status();
17449: break;
1.1 root 17450: case 0x71:
1.1.1.33 root 17451: val = cmos_read(cmos_addr);
17452: break;
1.1.1.25 root 17453: case 0x81:
1.1.1.33 root 17454: val = dma_page_read(0, 2);
17455: break;
1.1.1.25 root 17456: case 0x82:
1.1.1.33 root 17457: val = dma_page_read(0, 3);
17458: break;
1.1.1.25 root 17459: case 0x83:
1.1.1.33 root 17460: val = dma_page_read(0, 1);
17461: break;
1.1.1.25 root 17462: case 0x87:
1.1.1.33 root 17463: val = dma_page_read(0, 0);
17464: break;
1.1.1.25 root 17465: case 0x89:
1.1.1.33 root 17466: val = dma_page_read(1, 2);
17467: break;
1.1.1.25 root 17468: case 0x8a:
1.1.1.33 root 17469: val = dma_page_read(1, 3);
17470: break;
1.1.1.25 root 17471: case 0x8b:
1.1.1.33 root 17472: val = dma_page_read(1, 1);
17473: break;
1.1.1.25 root 17474: case 0x8f:
1.1.1.33 root 17475: val = dma_page_read(1, 0);
17476: break;
1.1 root 17477: case 0x92:
1.1.1.33 root 17478: val = (m_a20_mask >> 19) & 2;
17479: break;
1.1.1.25 root 17480: case 0xa0: case 0xa1:
1.1.1.33 root 17481: val = pic_read(1, addr);
17482: break;
1.1.1.25 root 17483: case 0xc0: case 0xc2: case 0xc4: case 0xc6: case 0xc8: case 0xca: case 0xcc: case 0xce:
17484: case 0xd0: case 0xd2: case 0xd4: case 0xd6: case 0xd8: case 0xda: case 0xdc: case 0xde:
1.1.1.33 root 17485: val = dma_read(1, (addr - 0xc0) >> 1);
17486: break;
1.1.1.37! root 17487: case 0x278: case 0x279: case 0x27a:
! 17488: val = pio_read(1, addr);
! 17489: break;
1.1.1.29 root 17490: case 0x2e8: case 0x2e9: case 0x2ea: case 0x2eb: case 0x2ec: case 0x2ed: case 0x2ee: case 0x2ef:
1.1.1.33 root 17491: val = sio_read(3, addr);
17492: break;
1.1.1.25 root 17493: case 0x2f8: case 0x2f9: case 0x2fa: case 0x2fb: case 0x2fc: case 0x2fd: case 0x2fe: case 0x2ff:
1.1.1.33 root 17494: val = sio_read(1, addr);
17495: break;
1.1.1.25 root 17496: case 0x378: case 0x379: case 0x37a:
1.1.1.33 root 17497: val = pio_read(0, addr);
17498: break;
1.1.1.25 root 17499: case 0x3ba: case 0x3da:
1.1.1.33 root 17500: val = vga_read_status();
17501: break;
1.1.1.37! root 17502: case 0x3bc: case 0x3bd: case 0x3be:
! 17503: val = pio_read(2, addr);
! 17504: break;
1.1.1.29 root 17505: case 0x3e8: case 0x3e9: case 0x3ea: case 0x3eb: case 0x3ec: case 0x3ed: case 0x3ee: case 0x3ef:
1.1.1.33 root 17506: val = sio_read(2, addr);
17507: break;
1.1.1.25 root 17508: case 0x3f8: case 0x3f9: case 0x3fa: case 0x3fb: case 0x3fc: case 0x3fd: case 0x3fe: case 0x3ff:
1.1.1.33 root 17509: val = sio_read(0, addr);
17510: break;
1.1 root 17511: default:
1.1.1.33 root 17512: // fatalerror("unknown inb %4x\n", addr);
1.1 root 17513: break;
17514: }
1.1.1.33 root 17515: #ifdef ENABLE_DEBUG_IOPORT
17516: if(fp_debug_log != NULL) {
17517: fprintf(fp_debug_log, "inb %04X, %02X\n", addr, val);
17518: }
17519: #endif
17520: return(val);
1.1 root 17521: }
17522:
17523: UINT16 read_io_word(offs_t addr)
17524: {
17525: return(read_io_byte(addr) | (read_io_byte(addr + 1) << 8));
17526: }
17527:
1.1.1.33 root 17528: #ifdef USE_DEBUGGER
17529: UINT16 debugger_read_io_word(offs_t addr)
17530: {
17531: return(debugger_read_io_byte(addr) | (debugger_read_io_byte(addr + 1) << 8));
17532: }
17533: #endif
17534:
1.1 root 17535: UINT32 read_io_dword(offs_t addr)
17536: {
17537: return(read_io_byte(addr) | (read_io_byte(addr + 1) << 8) | (read_io_byte(addr + 2) << 16) | (read_io_byte(addr + 3) << 24));
17538: }
17539:
1.1.1.33 root 17540: #ifdef USE_DEBUGGER
17541: UINT32 debugger_read_io_dword(offs_t addr)
17542: {
17543: 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));
17544: }
17545: #endif
17546:
1.1 root 17547: void write_io_byte(offs_t addr, UINT8 val)
1.1.1.33 root 17548: #ifdef USE_DEBUGGER
17549: {
17550: if(now_debugging) {
17551: for(int i = 0; i < MAX_BREAK_POINTS; i++) {
17552: if(out_break_point.table[i].status == 1) {
17553: if(addr == out_break_point.table[i].addr) {
17554: out_break_point.hit = i + 1;
17555: now_suspended = true;
17556: break;
17557: }
17558: }
17559: }
17560: }
17561: debugger_write_io_byte(addr, val);
17562: }
17563: void debugger_write_io_byte(offs_t addr, UINT8 val)
17564: #endif
1.1 root 17565: {
1.1.1.25 root 17566: #ifdef ENABLE_DEBUG_IOPORT
1.1.1.33 root 17567: if(fp_debug_log != NULL) {
17568: fprintf(fp_debug_log, "outb %04X, %02X\n", addr, val);
1.1.1.25 root 17569: }
17570: #endif
1.1 root 17571: switch(addr) {
1.1.1.29 root 17572: #ifdef SW1US_PATCH
17573: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07: case 0x08:
17574: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f: case 0x10:
17575: sio_write(0, addr - 1, val);
17576: break;
17577: #else
1.1.1.25 root 17578: case 0x00: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07:
17579: case 0x08: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f:
17580: dma_write(0, addr, val);
17581: break;
1.1.1.29 root 17582: #endif
1.1.1.25 root 17583: case 0x20: case 0x21:
1.1 root 17584: pic_write(0, addr, val);
17585: break;
1.1.1.25 root 17586: case 0x40: case 0x41: case 0x42: case 0x43:
1.1 root 17587: pit_write(addr & 0x03, val);
17588: break;
1.1.1.7 root 17589: case 0x60:
17590: kbd_write_data(val);
17591: break;
1.1.1.9 root 17592: case 0x61:
17593: if((system_port & 3) != 3 && (val & 3) == 3) {
17594: // beep on
17595: // MessageBeep(-1);
17596: } else if((system_port & 3) == 3 && (val & 3) != 3) {
17597: // beep off
17598: }
17599: system_port = val;
17600: break;
1.1 root 17601: case 0x64:
1.1.1.7 root 17602: kbd_write_command(val);
1.1 root 17603: break;
17604: case 0x70:
17605: cmos_addr = val;
17606: break;
17607: case 0x71:
1.1.1.8 root 17608: cmos_write(cmos_addr, val);
1.1 root 17609: break;
1.1.1.25 root 17610: case 0x81:
17611: dma_page_write(0, 2, val);
17612: case 0x82:
17613: dma_page_write(0, 3, val);
17614: case 0x83:
17615: dma_page_write(0, 1, val);
17616: case 0x87:
17617: dma_page_write(0, 0, val);
17618: case 0x89:
17619: dma_page_write(1, 2, val);
17620: case 0x8a:
17621: dma_page_write(1, 3, val);
17622: case 0x8b:
17623: dma_page_write(1, 1, val);
17624: case 0x8f:
17625: dma_page_write(1, 0, val);
1.1 root 17626: case 0x92:
1.1.1.7 root 17627: i386_set_a20_line((val >> 1) & 1);
1.1 root 17628: break;
1.1.1.25 root 17629: case 0xa0: case 0xa1:
1.1 root 17630: pic_write(1, addr, val);
17631: break;
1.1.1.25 root 17632: case 0xc0: case 0xc2: case 0xc4: case 0xc6: case 0xc8: case 0xca: case 0xcc: case 0xce:
17633: case 0xd0: case 0xd2: case 0xd4: case 0xd6: case 0xd8: case 0xda: case 0xdc: case 0xde:
1.1.1.26 root 17634: dma_write(1, (addr - 0xc0) >> 1, val);
1.1.1.25 root 17635: break;
1.1.1.35 root 17636: #ifdef USE_SERVICE_THREAD
17637: case 0xf7:
17638: // dummy i/o for BIOS/DOS service
1.1.1.36 root 17639: if(in_service && cursor_moved) {
17640: // update cursor position before service is done
17641: pcbios_update_cursor_position();
17642: cursor_moved = false;
17643: }
1.1.1.35 root 17644: finish_service_loop();
17645: break;
17646: #endif
1.1.1.37! root 17647: case 0x278: case 0x279: case 0x27a:
! 17648: pio_write(1, addr, val);
! 17649: break;
1.1.1.29 root 17650: case 0x2e8: case 0x2e9: case 0x2ea: case 0x2eb: case 0x2ec: case 0x2ed: case 0x2ee: case 0x2ef:
17651: sio_write(3, addr, val);
17652: break;
1.1.1.25 root 17653: case 0x2f8: case 0x2f9: case 0x2fa: case 0x2fb: case 0x2fc: case 0x2fd: case 0x2fe: case 0x2ff:
17654: sio_write(1, addr, val);
17655: break;
17656: case 0x378: case 0x379: case 0x37a:
17657: pio_write(0, addr, val);
17658: break;
1.1.1.37! root 17659: case 0x3bc: case 0x3bd: case 0x3be:
! 17660: pio_write(2, addr, val);
! 17661: break;
1.1.1.29 root 17662: case 0x3e8: case 0x3e9: case 0x3ea: case 0x3eb: case 0x3ec: case 0x3ed: case 0x3ee: case 0x3ef:
17663: sio_write(2, addr, val);
17664: break;
1.1.1.25 root 17665: case 0x3f8: case 0x3f9: case 0x3fa: case 0x3fb: case 0x3fc: case 0x3fd: case 0x3fe: case 0x3ff:
17666: sio_write(0, addr, val);
17667: break;
1.1 root 17668: default:
1.1.1.33 root 17669: // fatalerror("unknown outb %4x,%2x\n", addr, val);
1.1 root 17670: break;
17671: }
17672: }
17673:
17674: void write_io_word(offs_t addr, UINT16 val)
17675: {
17676: write_io_byte(addr + 0, (val >> 0) & 0xff);
17677: write_io_byte(addr + 1, (val >> 8) & 0xff);
17678: }
17679:
1.1.1.33 root 17680: #ifdef USE_DEBUGGER
17681: void debugger_write_io_word(offs_t addr, UINT16 val)
17682: {
17683: debugger_write_io_byte(addr + 0, (val >> 0) & 0xff);
17684: debugger_write_io_byte(addr + 1, (val >> 8) & 0xff);
17685: }
17686: #endif
17687:
1.1 root 17688: void write_io_dword(offs_t addr, UINT32 val)
17689: {
17690: write_io_byte(addr + 0, (val >> 0) & 0xff);
17691: write_io_byte(addr + 1, (val >> 8) & 0xff);
17692: write_io_byte(addr + 2, (val >> 16) & 0xff);
17693: write_io_byte(addr + 3, (val >> 24) & 0xff);
17694: }
1.1.1.33 root 17695:
17696: #ifdef USE_DEBUGGER
17697: void debugger_write_io_dword(offs_t addr, UINT32 val)
17698: {
17699: debugger_write_io_byte(addr + 0, (val >> 0) & 0xff);
17700: debugger_write_io_byte(addr + 1, (val >> 8) & 0xff);
17701: debugger_write_io_byte(addr + 2, (val >> 16) & 0xff);
17702: debugger_write_io_byte(addr + 3, (val >> 24) & 0xff);
17703: }
17704: #endif
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