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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:
20: //#define ENABLE_DEBUG
21: #ifdef ENABLE_DEBUG
22: #define EXPORT_DEBUG_TO_FILE
23: #define ENABLE_DEBUG_DASM
24: #define ENABLE_DEBUG_SYSCALL
25: #define ENABLE_DEBUG_UNIMPLEMENTED
1.1.1.25 root 26: #define ENABLE_DEBUG_IOPORT
1.1.1.22 root 27:
28: #ifdef EXPORT_DEBUG_TO_FILE
29: FILE* fdebug = NULL;
30: #else
31: #define fdebug stderr
32: #endif
33: #ifdef ENABLE_DEBUG_UNIMPLEMENTED
34: #define unimplemented_10h fatalerror
1.1.1.25 root 35: #define unimplemented_14h fatalerror
1.1.1.22 root 36: #define unimplemented_15h fatalerror
37: #define unimplemented_16h fatalerror
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
58: #ifndef unimplemented_1ah
59: #define unimplemented_1ah nolog
60: #endif
61: #ifndef unimplemented_21h
62: #define unimplemented_21h nolog
63: #endif
64: #ifndef unimplemented_2fh
65: #define unimplemented_2fh nolog
66: #endif
1.1.1.24 root 67: #ifndef unimplemented_33h
68: #define unimplemented_33h nolog
69: #endif
1.1.1.22 root 70: #ifndef unimplemented_67h
71: #define unimplemented_67h nolog
72: #endif
73: #ifndef unimplemented_xms
74: #define unimplemented_xms nolog
75: #endif
76:
77: #define my_strchr(str, chr) (char *)_mbschr((unsigned char *)(str), (unsigned int)(chr))
78: #define my_strtok(tok, del) (char *)_mbstok((unsigned char *)(tok), (const unsigned char *)(del))
79: #define my_strupr(str) (char *)_mbsupr((unsigned char *)(str))
1.1 root 80:
1.1.1.12 root 81: #if defined(__MINGW32__)
82: extern "C" int _CRT_glob = 0;
83: #endif
84:
85: /*
86: kludge for "more-standardized" C++
87: */
88: #if !defined(_MSC_VER)
89: inline int kludge_min(int a, int b) { return (a<b ? a:b); }
90: inline int kludge_max(int a, int b) { return (a>b ? a:b); }
91: #define min(a,b) kludge_min(a,b)
92: #define max(a,b) kludge_max(a,b)
1.1.1.14 root 93: #elif _MSC_VER >= 1400
94: void ignore_invalid_parameters(const wchar_t *, const wchar_t *, const wchar_t *, unsigned int, uintptr_t)
95: {
96: }
97: #endif
98:
99: #define USE_THREAD
100:
101: #ifdef USE_THREAD
102: static CRITICAL_SECTION vram_crit_sect;
103: #else
104: #define EnterCriticalSection(x)
105: #define LeaveCriticalSection(x)
106: #define vram_flush()
1.1.1.12 root 107: #endif
108:
1.1.1.14 root 109: #define VIDEO_REGEN *(UINT16 *)(mem + 0x44c)
110: #define SCR_BUF(y,x) scr_buf[(y) * scr_buf_size.X + (x)]
111:
112: void change_console_size(int width, int height);
113: void clear_scr_buffer(WORD attr);
114:
115: static UINT32 vram_length_char = 0, vram_length_attr = 0;
116: static UINT32 vram_last_length_char = 0, vram_last_length_attr = 0;
117: static COORD vram_coord_char, vram_coord_attr;
118:
1.1.1.28 root 119: char temp_file_path[MAX_PATH];
120: bool temp_file_created = false;
121:
1.1.1.14 root 122: bool ignore_illegal_insn = false;
123: bool limit_max_memory = false;
124: bool no_windows = false;
125: //bool ctrl_break = false;
126: bool stay_busy = false;
127: UINT32 iops = 0;
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:
136: inline void maybe_idle()
137: {
138: // if it appears to be in a tight loop, assume waiting for input
139: // allow for one updated video character, for a spinning cursor
140: if(!stay_busy && iops < 1000 && vram_length_char <= 1 && vram_length_attr <= 1) {
141: Sleep(10);
142: }
143: iops = 0;
144: }
1.1.1.12 root 145:
1.1 root 146: /* ----------------------------------------------------------------------------
1.1.1.3 root 147: MAME i86/i386
1.1 root 148: ---------------------------------------------------------------------------- */
149:
1.1.1.10 root 150: #ifndef __BIG_ENDIAN__
1.1 root 151: #define LSB_FIRST
1.1.1.10 root 152: #endif
1.1 root 153:
154: #ifndef INLINE
155: #define INLINE inline
156: #endif
157: #define U64(v) UINT64(v)
158:
159: //#define logerror(...) fprintf(stderr, __VA_ARGS__)
160: #define logerror(...)
161: //#define popmessage(...) fprintf(stderr, __VA_ARGS__)
162: #define popmessage(...)
163:
164: /*****************************************************************************/
1.1.1.10 root 165: /* src/emu/devcpu.h */
166:
167: // CPU interface functions
168: #define CPU_INIT_NAME(name) cpu_init_##name
169: #define CPU_INIT(name) void CPU_INIT_NAME(name)()
170: #define CPU_INIT_CALL(name) CPU_INIT_NAME(name)()
171:
172: #define CPU_RESET_NAME(name) cpu_reset_##name
173: #define CPU_RESET(name) void CPU_RESET_NAME(name)()
174: #define CPU_RESET_CALL(name) CPU_RESET_NAME(name)()
175:
176: #define CPU_EXECUTE_NAME(name) cpu_execute_##name
177: #define CPU_EXECUTE(name) void CPU_EXECUTE_NAME(name)()
178: #define CPU_EXECUTE_CALL(name) CPU_EXECUTE_NAME(name)()
179:
180: #define CPU_TRANSLATE_NAME(name) cpu_translate_##name
181: #define CPU_TRANSLATE(name) int CPU_TRANSLATE_NAME(name)(address_spacenum space, int intention, offs_t *address)
182: #define CPU_TRANSLATE_CALL(name) CPU_TRANSLATE_NAME(name)(space, intention, address)
183:
184: #define CPU_DISASSEMBLE_NAME(name) cpu_disassemble_##name
185: #define CPU_DISASSEMBLE(name) int CPU_DISASSEMBLE_NAME(name)(char *buffer, offs_t eip, const UINT8 *oprom)
186: #define CPU_DISASSEMBLE_CALL(name) CPU_DISASSEMBLE_NAME(name)(buffer, eip, oprom)
187:
1.1.1.14 root 188: #define CPU_MODEL_STR(name) #name
189: #define CPU_MODEL_NAME(name) CPU_MODEL_STR(name)
190:
1.1.1.10 root 191: /*****************************************************************************/
192: /* src/emu/didisasm.h */
193:
194: // Disassembler constants
195: const UINT32 DASMFLAG_SUPPORTED = 0x80000000; // are disassembly flags supported?
196: const UINT32 DASMFLAG_STEP_OUT = 0x40000000; // this instruction should be the end of a step out sequence
197: const UINT32 DASMFLAG_STEP_OVER = 0x20000000; // this instruction should be stepped over by setting a breakpoint afterwards
198: const UINT32 DASMFLAG_OVERINSTMASK = 0x18000000; // number of extra instructions to skip when stepping over
199: const UINT32 DASMFLAG_OVERINSTSHIFT = 27; // bits to shift after masking to get the value
200: const UINT32 DASMFLAG_LENGTHMASK = 0x0000ffff; // the low 16-bits contain the actual length
201:
202: /*****************************************************************************/
1.1 root 203: /* src/emu/diexec.h */
204:
205: // I/O line states
206: enum line_state
207: {
208: CLEAR_LINE = 0, // clear (a fired or held) line
209: ASSERT_LINE, // assert an interrupt immediately
210: HOLD_LINE, // hold interrupt line until acknowledged
211: PULSE_LINE // pulse interrupt line instantaneously (only for NMI, RESET)
212: };
213:
214: // I/O line definitions
215: enum
216: {
217: INPUT_LINE_IRQ = 0,
218: INPUT_LINE_NMI
219: };
220:
221: /*****************************************************************************/
1.1.1.10 root 222: /* src/emu/dimemory.h */
1.1 root 223:
1.1.1.10 root 224: // Translation intentions
225: const int TRANSLATE_TYPE_MASK = 0x03; // read write or fetch
226: const int TRANSLATE_USER_MASK = 0x04; // user mode or fully privileged
227: const int TRANSLATE_DEBUG_MASK = 0x08; // debug mode (no side effects)
228:
229: const int TRANSLATE_READ = 0; // translate for read
230: const int TRANSLATE_WRITE = 1; // translate for write
231: const int TRANSLATE_FETCH = 2; // translate for instruction fetch
232: const int TRANSLATE_READ_USER = (TRANSLATE_READ | TRANSLATE_USER_MASK);
233: const int TRANSLATE_WRITE_USER = (TRANSLATE_WRITE | TRANSLATE_USER_MASK);
234: const int TRANSLATE_FETCH_USER = (TRANSLATE_FETCH | TRANSLATE_USER_MASK);
235: const int TRANSLATE_READ_DEBUG = (TRANSLATE_READ | TRANSLATE_DEBUG_MASK);
236: const int TRANSLATE_WRITE_DEBUG = (TRANSLATE_WRITE | TRANSLATE_DEBUG_MASK);
237: const int TRANSLATE_FETCH_DEBUG = (TRANSLATE_FETCH | TRANSLATE_DEBUG_MASK);
1.1 root 238:
1.1.1.10 root 239: /*****************************************************************************/
240: /* src/emu/emucore.h */
1.1 root 241:
1.1.1.10 root 242: // constants for expression endianness
243: enum endianness_t
244: {
245: ENDIANNESS_LITTLE,
246: ENDIANNESS_BIG
247: };
1.1 root 248:
1.1.1.10 root 249: // declare native endianness to be one or the other
250: #ifdef LSB_FIRST
251: const endianness_t ENDIANNESS_NATIVE = ENDIANNESS_LITTLE;
252: #else
253: const endianness_t ENDIANNESS_NATIVE = ENDIANNESS_BIG;
254: #endif
255:
256: // endian-based value: first value is if 'endian' is little-endian, second is if 'endian' is big-endian
257: #define ENDIAN_VALUE_LE_BE(endian,leval,beval) (((endian) == ENDIANNESS_LITTLE) ? (leval) : (beval))
258:
259: // endian-based value: first value is if native endianness is little-endian, second is if native is big-endian
260: #define NATIVE_ENDIAN_VALUE_LE_BE(leval,beval) ENDIAN_VALUE_LE_BE(ENDIANNESS_NATIVE, leval, beval)
261:
262: // endian-based value: first value is if 'endian' matches native, second is if 'endian' doesn't match native
263: #define ENDIAN_VALUE_NE_NNE(endian,leval,beval) (((endian) == ENDIANNESS_NATIVE) ? (neval) : (nneval))
1.1 root 264:
265: /*****************************************************************************/
266: /* src/emu/memory.h */
267:
1.1.1.10 root 268: // address spaces
269: enum address_spacenum
270: {
271: AS_0, // first address space
272: AS_1, // second address space
273: AS_2, // third address space
274: AS_3, // fourth address space
275: ADDRESS_SPACES, // maximum number of address spaces
276:
277: // alternate address space names for common use
278: AS_PROGRAM = AS_0, // program address space
279: AS_DATA = AS_1, // data address space
280: AS_IO = AS_2 // I/O address space
281: };
282:
1.1 root 283: // offsets and addresses are 32-bit (for now...)
1.1.1.30! root 284: //typedef UINT32 offs_t;
1.1 root 285:
286: // read accessors
287: UINT8 read_byte(offs_t byteaddress)
288: {
1.1.1.4 root 289: #if defined(HAS_I386)
1.1 root 290: if(byteaddress < MAX_MEM) {
291: return mem[byteaddress];
1.1.1.3 root 292: // } else if((byteaddress & 0xfffffff0) == 0xfffffff0) {
293: // return read_byte(byteaddress & 0xfffff);
1.1 root 294: }
295: return 0;
1.1.1.4 root 296: #else
297: return mem[byteaddress];
298: #endif
1.1 root 299: }
300:
301: UINT16 read_word(offs_t byteaddress)
302: {
1.1.1.14 root 303: if(byteaddress == 0x41c) {
304: // pointer to first free slot in keyboard buffer
305: // XXX: the buffer itself doesn't actually exist in DOS memory
306: if(key_buf_char->count() == 0) {
307: maybe_idle();
308: }
309: return (UINT16)key_buf_char->count();
310: }
1.1.1.4 root 311: #if defined(HAS_I386)
1.1 root 312: if(byteaddress < MAX_MEM - 1) {
313: return *(UINT16 *)(mem + byteaddress);
1.1.1.3 root 314: // } else if((byteaddress & 0xfffffff0) == 0xfffffff0) {
315: // return read_word(byteaddress & 0xfffff);
1.1 root 316: }
317: return 0;
1.1.1.4 root 318: #else
319: return *(UINT16 *)(mem + byteaddress);
320: #endif
1.1 root 321: }
322:
323: UINT32 read_dword(offs_t byteaddress)
324: {
1.1.1.4 root 325: #if defined(HAS_I386)
1.1 root 326: if(byteaddress < MAX_MEM - 3) {
327: return *(UINT32 *)(mem + byteaddress);
1.1.1.3 root 328: // } else if((byteaddress & 0xfffffff0) == 0xfffffff0) {
329: // return read_dword(byteaddress & 0xfffff);
1.1 root 330: }
331: return 0;
1.1.1.4 root 332: #else
333: return *(UINT32 *)(mem + byteaddress);
334: #endif
1.1 root 335: }
336:
337: // write accessors
1.1.1.14 root 338: #ifdef USE_THREAD
339: void vram_flush_char()
340: {
341: if(vram_length_char != 0) {
342: DWORD num;
1.1.1.23 root 343: WriteConsoleOutputCharacter(GetStdHandle(STD_OUTPUT_HANDLE), scr_char, vram_length_char, vram_coord_char, &num);
1.1.1.14 root 344: vram_length_char = vram_last_length_char = 0;
345: }
346: }
347:
348: void vram_flush_attr()
349: {
350: if(vram_length_attr != 0) {
351: DWORD num;
1.1.1.23 root 352: WriteConsoleOutputAttribute(GetStdHandle(STD_OUTPUT_HANDLE), scr_attr, vram_length_attr, vram_coord_attr, &num);
1.1.1.14 root 353: vram_length_attr = vram_last_length_attr = 0;
354: }
355: }
356:
357: void vram_flush()
358: {
359: if(vram_length_char != 0 || vram_length_attr != 0) {
360: EnterCriticalSection(&vram_crit_sect);
361: vram_flush_char();
362: vram_flush_attr();
363: LeaveCriticalSection(&vram_crit_sect);
364: }
365: }
366: #endif
367:
368: void write_text_vram_char(offs_t offset, UINT8 data)
1.1.1.8 root 369: {
1.1.1.14 root 370: #ifdef USE_THREAD
371: static offs_t first_offset_char, last_offset_char;
372:
373: if(vram_length_char != 0) {
374: if(offset <= last_offset_char && offset >= first_offset_char) {
375: scr_char[(offset - first_offset_char) >> 1] = data;
376: return;
377: }
378: if(offset != last_offset_char + 2) {
379: vram_flush_char();
380: }
381: }
382: if(vram_length_char == 0) {
383: first_offset_char = offset;
384: vram_coord_char.X = (offset >> 1) % scr_width;
385: vram_coord_char.Y = (offset >> 1) / scr_width + scr_top;
386: }
387: scr_char[vram_length_char++] = data;
388: last_offset_char = offset;
389: #else
1.1.1.8 root 390: COORD co;
391: DWORD num;
392:
1.1.1.14 root 393: co.X = (offset >> 1) % scr_width;
394: co.Y = (offset >> 1) / scr_width;
395: scr_char[0] = data;
1.1.1.23 root 396: WriteConsoleOutputCharacter(GetStdHandle(STD_OUTPUT_HANDLE), scr_char, 1, co, &num);
1.1.1.14 root 397: #endif
398: }
399:
400: void write_text_vram_attr(offs_t offset, UINT8 data)
401: {
402: #ifdef USE_THREAD
403: static offs_t first_offset_attr, last_offset_attr;
404:
405: if(vram_length_attr != 0) {
406: if(offset <= last_offset_attr && offset >= first_offset_attr) {
407: scr_attr[(offset - first_offset_attr) >> 1] = data;
408: return;
409: }
410: if(offset != last_offset_attr + 2) {
411: vram_flush_attr();
412: }
413: }
414: if(vram_length_attr == 0) {
415: first_offset_attr = offset;
416: vram_coord_attr.X = (offset >> 1) % scr_width;
417: vram_coord_attr.Y = (offset >> 1) / scr_width + scr_top;
418: }
419: scr_attr[vram_length_attr++] = data;
420: last_offset_attr = offset;
421: #else
422: COORD co;
423: DWORD num;
1.1.1.8 root 424:
1.1.1.14 root 425: co.X = (offset >> 1) % scr_width;
426: co.Y = (offset >> 1) / scr_width;
427: scr_attr[0] = data;
1.1.1.23 root 428: WriteConsoleOutputAttribute(GetStdHandle(STD_OUTPUT_HANDLE), scr_attr, 1, co, &num);
1.1.1.14 root 429: #endif
430: }
431:
432: void write_text_vram_byte(offs_t offset, UINT8 data)
433: {
434: EnterCriticalSection(&vram_crit_sect);
1.1.1.8 root 435: if(offset & 1) {
1.1.1.14 root 436: write_text_vram_attr(offset, data);
1.1.1.8 root 437: } else {
1.1.1.14 root 438: write_text_vram_char(offset, data);
1.1.1.8 root 439: }
1.1.1.14 root 440: LeaveCriticalSection(&vram_crit_sect);
1.1.1.8 root 441: }
442:
443: void write_text_vram_word(offs_t offset, UINT16 data)
444: {
1.1.1.14 root 445: EnterCriticalSection(&vram_crit_sect);
1.1.1.8 root 446: if(offset & 1) {
1.1.1.14 root 447: write_text_vram_attr(offset , (data ) & 0xff);
448: write_text_vram_char(offset + 1, (data >> 8) & 0xff);
1.1.1.8 root 449: } else {
1.1.1.14 root 450: write_text_vram_char(offset , (data ) & 0xff);
451: write_text_vram_attr(offset + 1, (data >> 8) & 0xff);
1.1.1.8 root 452: }
1.1.1.14 root 453: LeaveCriticalSection(&vram_crit_sect);
1.1.1.8 root 454: }
455:
456: void write_text_vram_dword(offs_t offset, UINT32 data)
457: {
1.1.1.14 root 458: EnterCriticalSection(&vram_crit_sect);
1.1.1.8 root 459: if(offset & 1) {
1.1.1.14 root 460: write_text_vram_attr(offset , (data ) & 0xff);
461: write_text_vram_char(offset + 1, (data >> 8) & 0xff);
462: write_text_vram_attr(offset + 2, (data >> 16) & 0xff);
463: write_text_vram_char(offset + 3, (data >> 24) & 0xff);
464: } else {
465: write_text_vram_char(offset , (data ) & 0xff);
466: write_text_vram_attr(offset + 1, (data >> 8) & 0xff);
467: write_text_vram_char(offset + 2, (data >> 16) & 0xff);
468: write_text_vram_attr(offset + 3, (data >> 24) & 0xff);
1.1.1.8 root 469: }
1.1.1.14 root 470: LeaveCriticalSection(&vram_crit_sect);
1.1.1.8 root 471: }
472:
1.1 root 473: void write_byte(offs_t byteaddress, UINT8 data)
474: {
1.1.1.8 root 475: if(byteaddress < MEMORY_END) {
1.1.1.3 root 476: mem[byteaddress] = data;
1.1.1.8 root 477: } else if(byteaddress >= text_vram_top_address && byteaddress < text_vram_end_address) {
1.1.1.14 root 478: if(!restore_console_on_exit) {
479: change_console_size(scr_width, scr_height);
1.1.1.12 root 480: }
1.1.1.8 root 481: write_text_vram_byte(byteaddress - text_vram_top_address, data);
482: mem[byteaddress] = data;
483: } else if(byteaddress >= shadow_buffer_top_address && byteaddress < shadow_buffer_end_address) {
484: if(int_10h_feh_called && !int_10h_ffh_called) {
485: write_text_vram_byte(byteaddress - shadow_buffer_top_address, data);
1.1 root 486: }
487: mem[byteaddress] = data;
1.1.1.4 root 488: #if defined(HAS_I386)
1.1.1.3 root 489: } else if(byteaddress < MAX_MEM) {
1.1.1.4 root 490: #else
491: } else {
492: #endif
1.1.1.3 root 493: mem[byteaddress] = data;
1.1 root 494: }
495: }
496:
497: void write_word(offs_t byteaddress, UINT16 data)
498: {
1.1.1.8 root 499: if(byteaddress < MEMORY_END) {
1.1.1.14 root 500: if(byteaddress == 0x450 + mem[0x462] * 2) {
501: COORD co;
502: co.X = data & 0xff;
503: co.Y = (data >> 8) + scr_top;
1.1.1.23 root 504: SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), co);
1.1.1.14 root 505: }
1.1.1.3 root 506: *(UINT16 *)(mem + byteaddress) = data;
1.1.1.8 root 507: } else if(byteaddress >= text_vram_top_address && byteaddress < text_vram_end_address) {
1.1.1.14 root 508: if(!restore_console_on_exit) {
509: change_console_size(scr_width, scr_height);
1.1.1.12 root 510: }
1.1.1.8 root 511: write_text_vram_word(byteaddress - text_vram_top_address, data);
512: *(UINT16 *)(mem + byteaddress) = data;
513: } else if(byteaddress >= shadow_buffer_top_address && byteaddress < shadow_buffer_end_address) {
514: if(int_10h_feh_called && !int_10h_ffh_called) {
515: write_text_vram_word(byteaddress - shadow_buffer_top_address, data);
1.1 root 516: }
517: *(UINT16 *)(mem + byteaddress) = data;
1.1.1.4 root 518: #if defined(HAS_I386)
1.1.1.3 root 519: } else if(byteaddress < MAX_MEM - 1) {
1.1.1.4 root 520: #else
521: } else {
522: #endif
1.1.1.3 root 523: *(UINT16 *)(mem + byteaddress) = data;
1.1 root 524: }
525: }
526:
527: void write_dword(offs_t byteaddress, UINT32 data)
528: {
1.1.1.8 root 529: if(byteaddress < MEMORY_END) {
1.1.1.3 root 530: *(UINT32 *)(mem + byteaddress) = data;
1.1.1.8 root 531: } else if(byteaddress >= text_vram_top_address && byteaddress < text_vram_end_address) {
1.1.1.14 root 532: if(!restore_console_on_exit) {
533: change_console_size(scr_width, scr_height);
1.1.1.12 root 534: }
1.1.1.8 root 535: write_text_vram_dword(byteaddress - text_vram_top_address, data);
536: *(UINT32 *)(mem + byteaddress) = data;
537: } else if(byteaddress >= shadow_buffer_top_address && byteaddress < shadow_buffer_end_address) {
538: if(int_10h_feh_called && !int_10h_ffh_called) {
539: write_text_vram_dword(byteaddress - shadow_buffer_top_address, data);
1.1 root 540: }
541: *(UINT32 *)(mem + byteaddress) = data;
1.1.1.4 root 542: #if defined(HAS_I386)
1.1.1.3 root 543: } else if(byteaddress < MAX_MEM - 3) {
1.1.1.4 root 544: #else
545: } else {
546: #endif
1.1.1.3 root 547: *(UINT32 *)(mem + byteaddress) = data;
1.1 root 548: }
549: }
550:
551: #define read_decrypted_byte read_byte
552: #define read_decrypted_word read_word
553: #define read_decrypted_dword read_dword
554:
1.1.1.3 root 555: #define read_raw_byte read_byte
556: #define write_raw_byte write_byte
557:
558: #define read_word_unaligned read_word
559: #define write_word_unaligned write_word
560:
561: #define read_io_word_unaligned read_io_word
562: #define write_io_word_unaligned write_io_word
563:
1.1 root 564: UINT8 read_io_byte(offs_t byteaddress);
565: UINT16 read_io_word(offs_t byteaddress);
566: UINT32 read_io_dword(offs_t byteaddress);
567:
568: void write_io_byte(offs_t byteaddress, UINT8 data);
569: void write_io_word(offs_t byteaddress, UINT16 data);
570: void write_io_dword(offs_t byteaddress, UINT32 data);
571:
572: /*****************************************************************************/
573: /* src/osd/osdcomm.h */
574:
575: /* Highly useful macro for compile-time knowledge of an array size */
576: #define ARRAY_LENGTH(x) (sizeof(x) / sizeof(x[0]))
577:
1.1.1.3 root 578: #if defined(HAS_I386)
1.1.1.10 root 579: static CPU_TRANSLATE(i386);
580: #include "mame/lib/softfloat/softfloat.c"
581: #include "mame/emu/cpu/i386/i386.c"
1.1.1.12 root 582: #include "mame/emu/cpu/vtlb.c"
1.1.1.3 root 583: #elif defined(HAS_I286)
1.1.1.10 root 584: #include "mame/emu/cpu/i86/i286.c"
1.1.1.3 root 585: #else
1.1.1.10 root 586: #include "mame/emu/cpu/i86/i86.c"
1.1.1.3 root 587: #endif
1.1.1.22 root 588: #ifdef ENABLE_DEBUG_DASM
1.1.1.10 root 589: #include "mame/emu/cpu/i386/i386dasm.c"
1.1.1.22 root 590: int dasm = 0;
1.1 root 591: #endif
592:
1.1.1.3 root 593: #if defined(HAS_I386)
594: #define SREG(x) m_sreg[x].selector
595: #define SREG_BASE(x) m_sreg[x].base
596:
597: int cpu_type, cpu_step;
598: #else
599: #define REG8(x) m_regs.b[x]
600: #define REG16(x) m_regs.w[x]
601: #define SREG(x) m_sregs[x]
602: #define SREG_BASE(x) m_base[x]
603: #define m_CF m_CarryVal
604: #define m_a20_mask AMASK
605: #define i386_load_segment_descriptor(x) m_base[x] = SegBase(x)
606: #if defined(HAS_I286)
607: #define i386_set_a20_line(x) i80286_set_a20_line(x)
608: #else
609: #define i386_set_a20_line(x)
610: #endif
611: #define i386_set_irq_line(x, y) set_irq_line(x, y)
612: #endif
1.1 root 613:
614: void i386_jmp_far(UINT16 selector, UINT32 address)
615: {
1.1.1.3 root 616: #if defined(HAS_I386)
1.1 root 617: if(PROTECTED_MODE && !V8086_MODE) {
1.1.1.3 root 618: i386_protected_mode_jump(selector, address, 1, m_operand_size);
1.1 root 619: } else {
1.1.1.3 root 620: SREG(CS) = selector;
621: m_performed_intersegment_jump = 1;
622: i386_load_segment_descriptor(CS);
623: m_eip = address;
624: CHANGE_PC(m_eip);
1.1 root 625: }
1.1.1.3 root 626: #elif defined(HAS_I286)
627: i80286_code_descriptor(selector, address, 1);
628: #else
629: SREG(CS) = selector;
630: i386_load_segment_descriptor(CS);
631: m_pc = (SREG_BASE(CS) + address) & m_a20_mask;
632: #endif
1.1 root 633: }
634:
1.1.1.24 root 635: /*
636: void i386_call_far(UINT16 selector, UINT32 address)
637: {
638: #if defined(HAS_I386)
639: if(PROTECTED_MODE && !V8086_MODE) {
640: i386_protected_mode_call(selector, address, 1, m_operand_size);
641: } else {
642: PUSH16(SREG(CS));
643: PUSH16(m_eip);
644: SREG(CS) = selector;
645: m_performed_intersegment_jump = 1;
646: i386_load_segment_descriptor(CS);
647: m_eip = address;
648: CHANGE_PC(m_eip);
649: }
650: #else
651: UINT16 ip = m_pc - SREG_BASE(CS);
652: UINT16 cs = SREG(CS);
653: #if defined(HAS_I286)
654: i80286_code_descriptor(selector, address, 2);
655: #else
656: SREG(CS) = selector;
657: i386_load_segment_descriptor(CS);
658: m_pc = (SREG_BASE(CS) + address) & m_a20_mask;
659: #endif
660: PUSH(cs);
661: PUSH(ip);
662: CHANGE_PC(m_pc);
663: #endif
664: }
665: */
666:
1.1.1.29 root 667: UINT16 i386_read_stack()
668: {
669: #if defined(HAS_I386)
670: UINT32 ea, new_esp;
671: if( STACK_32BIT ) {
672: new_esp = REG32(ESP) + 2;
673: ea = i386_translate(SS, new_esp - 2, 0);
674: } else {
675: new_esp = REG16(SP) + 2;
676: ea = i386_translate(SS, (new_esp - 2) & 0xffff, 0);
677: }
678: return READ16(ea);
679: #else
680: UINT16 sp = m_regs.w[SP] + 2;
681: return ReadWord(((m_base[SS] + ((sp - 2) & 0xffff)) & AMASK));
682: #endif
683: }
684:
1.1 root 685: /* ----------------------------------------------------------------------------
686: main
687: ---------------------------------------------------------------------------- */
688:
1.1.1.28 root 689: BOOL WINAPI ctrl_handler(DWORD dwCtrlType)
690: {
691: if(dwCtrlType == CTRL_BREAK_EVENT) {
692: // try to finish this program normally
693: m_halted = true;
694: return TRUE;
695: } else if(dwCtrlType == CTRL_C_EVENT) {
696: ctrl_c_pressed = true;
697: return TRUE;
698: } else if(dwCtrlType == CTRL_CLOSE_EVENT) {
699: // this program will be terminated abnormally, do minimum end process
700: exit_handler();
701: exit(1);
702: }
703: return FALSE;
704: }
705:
706: void exit_handler()
707: {
708: if(temp_file_created) {
709: DeleteFile(temp_file_path);
710: temp_file_created = false;
711: }
712: if(key_buf_char != NULL) {
713: key_buf_char->release();
714: delete key_buf_char;
715: key_buf_char = NULL;
716: }
717: if(key_buf_scan != NULL) {
718: key_buf_scan->release();
719: delete key_buf_scan;
720: key_buf_scan = NULL;
721: }
722: hardware_release();
723: }
724:
725: #ifdef USE_THREAD
726: DWORD WINAPI vram_thread(LPVOID)
727: {
728: while(!m_halted) {
729: EnterCriticalSection(&vram_crit_sect);
730: if(vram_length_char != 0 && vram_length_char == vram_last_length_char) {
731: vram_flush_char();
732: }
733: if(vram_length_attr != 0 && vram_length_attr == vram_last_length_attr) {
734: vram_flush_attr();
735: }
736: vram_last_length_char = vram_length_char;
737: vram_last_length_attr = vram_length_attr;
738: LeaveCriticalSection(&vram_crit_sect);
739: // this is about half the maximum keyboard repeat rate - any
740: // lower tends to be jerky, any higher misses updates
741: Sleep(15);
742: }
743: return 0;
744: }
745: #endif
746:
747: long get_section_in_exec_file(FILE *fp, char *name)
748: {
749: UINT8 header[0x400];
750:
751: long position = ftell(fp);
752: fseek(fp, 0, SEEK_SET);
753: fread(header, sizeof(header), 1, fp);
754: fseek(fp, position, SEEK_SET);
755:
756: try {
757: _IMAGE_DOS_HEADER *dosHeader = (_IMAGE_DOS_HEADER *)(header + 0);
758: DWORD dwTopOfSignature = dosHeader->e_lfanew;
759: DWORD dwTopOfCoffHeader = dwTopOfSignature + 4;
760: _IMAGE_FILE_HEADER *coffHeader = (_IMAGE_FILE_HEADER *)(header + dwTopOfCoffHeader);
761: DWORD dwTopOfOptionalHeader = dwTopOfCoffHeader + sizeof(_IMAGE_FILE_HEADER);
762: DWORD dwTopOfFirstSectionHeader = dwTopOfOptionalHeader + coffHeader->SizeOfOptionalHeader;
763:
764: for(int i = 0; i < coffHeader->NumberOfSections; i++) {
765: _IMAGE_SECTION_HEADER *sectionHeader = (_IMAGE_SECTION_HEADER *)(header + dwTopOfFirstSectionHeader + IMAGE_SIZEOF_SECTION_HEADER * i);
766: if(memcmp(sectionHeader->Name, name, strlen(name)) == 0) {
767: return(sectionHeader->PointerToRawData);
768: }
769: }
770: } catch(...) {
771: }
772: return(0);
773: }
774:
1.1.1.10 root 775: bool is_started_from_command_prompt()
776: {
1.1.1.18 root 777: bool ret = false;
778:
779: HMODULE hLibrary = LoadLibrary(_T("Kernel32.dll"));
780: if(hLibrary) {
781: typedef DWORD (WINAPI *GetConsoleProcessListFunction)(__out LPDWORD lpdwProcessList, __in DWORD dwProcessCount);
782: GetConsoleProcessListFunction lpfnGetConsoleProcessList;
783: lpfnGetConsoleProcessList = reinterpret_cast<GetConsoleProcessListFunction>(::GetProcAddress(hLibrary, "GetConsoleProcessList"));
784: if(lpfnGetConsoleProcessList) {
785: DWORD pl;
786: ret = (lpfnGetConsoleProcessList(&pl, 1) > 1);
787: FreeLibrary(hLibrary);
788: return(ret);
789: }
790: FreeLibrary(hLibrary);
791: }
792:
793: HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
794: if(hSnapshot != INVALID_HANDLE_VALUE) {
795: DWORD dwParentProcessID = 0;
796: PROCESSENTRY32 pe32;
797: pe32.dwSize = sizeof(PROCESSENTRY32);
798: if(Process32First(hSnapshot, &pe32)) {
799: do {
800: if(pe32.th32ProcessID == GetCurrentProcessId()) {
801: dwParentProcessID = pe32.th32ParentProcessID;
802: break;
803: }
804: } while(Process32Next(hSnapshot, &pe32));
805: }
806: CloseHandle(hSnapshot);
807: if(dwParentProcessID != 0) {
808: HANDLE hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, dwParentProcessID);
809: if(hProcess != NULL) {
810: HMODULE hMod;
811: DWORD cbNeeded;
812: if(EnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) {
813: char module_name[MAX_PATH];
814: if(GetModuleBaseName(hProcess, hMod, module_name, sizeof(module_name))) {
815: ret = (_strnicmp(module_name, "cmd.exe", 7) == 0);
816: }
817: }
818: CloseHandle(hProcess);
819: }
820: }
821: }
822: return(ret);
1.1.1.14 root 823: }
824:
825: BOOL is_greater_windows_version(DWORD dwMajorVersion, DWORD dwMinorVersion, WORD wServicePackMajor, WORD wServicePackMinor)
826: {
1.1.1.24 root 827: // https://msdn.microsoft.com/en-us/library/windows/desktop/ms725491(v=vs.85).aspx
1.1.1.14 root 828: OSVERSIONINFOEX osvi;
829: DWORDLONG dwlConditionMask = 0;
830: int op = VER_GREATER_EQUAL;
831:
832: // Initialize the OSVERSIONINFOEX structure.
833: ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
834: osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
835: osvi.dwMajorVersion = dwMajorVersion;
836: osvi.dwMinorVersion = dwMinorVersion;
837: osvi.wServicePackMajor = wServicePackMajor;
838: osvi.wServicePackMinor = wServicePackMinor;
839:
840: // Initialize the condition mask.
841: VER_SET_CONDITION( dwlConditionMask, VER_MAJORVERSION, op );
842: VER_SET_CONDITION( dwlConditionMask, VER_MINORVERSION, op );
843: VER_SET_CONDITION( dwlConditionMask, VER_SERVICEPACKMAJOR, op );
844: VER_SET_CONDITION( dwlConditionMask, VER_SERVICEPACKMINOR, op );
845:
846: // Perform the test.
847: return VerifyVersionInfo(&osvi, VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR, dwlConditionMask);
848: }
849:
1.1.1.27 root 850: void get_sio_port_numbers()
851: {
852: SP_DEVINFO_DATA DeviceInfoData = {sizeof(SP_DEVINFO_DATA)};
853: HDEVINFO hDevInfo = 0;
854: HKEY hKey = 0;
855: if((hDevInfo = SetupDiGetClassDevs(&GUID_DEVINTERFACE_COMPORT, NULL, NULL, (DIGCF_PRESENT | DIGCF_DEVICEINTERFACE))) != 0) {
856: for(int i = 0; SetupDiEnumDeviceInfo(hDevInfo, i, &DeviceInfoData); i++) {
857: if((hKey = SetupDiOpenDevRegKey(hDevInfo, &DeviceInfoData, DICS_FLAG_GLOBAL, 0, DIREG_DEV, KEY_QUERY_VALUE)) != INVALID_HANDLE_VALUE) {
858: char chData[256];
859: DWORD dwType = 0;
860: DWORD dwSize = sizeof(chData);
861: int port_number = 0;
862:
863: if(RegQueryValueEx(hKey, _T("PortName"), NULL, &dwType, (BYTE *)chData, &dwSize) == ERROR_SUCCESS) {
864: if(_strnicmp(chData, "COM", 3) == 0) {
865: port_number = atoi(chData + 3);
866: }
867: }
868: RegCloseKey(hKey);
869:
1.1.1.29 root 870: 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 871: continue;
872: }
873: if(sio_port_number[0] == 0) {
874: sio_port_number[0] = port_number;
875: } else if(sio_port_number[1] == 0) {
876: sio_port_number[1] = port_number;
1.1.1.29 root 877: } else if(sio_port_number[2] == 0) {
878: sio_port_number[2] = port_number;
879: } else if(sio_port_number[3] == 0) {
880: sio_port_number[3] = port_number;
1.1.1.27 root 881: }
1.1.1.29 root 882: 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 883: break;
884: }
885: }
886: }
887: }
888: }
889:
1.1.1.28 root 890: #define IS_NUMERIC(c) ((c) >= '0' && (c) <= '9')
891:
1.1 root 892: int main(int argc, char *argv[], char *envp[])
893: {
1.1.1.9 root 894: int arg_offset = 0;
895: int standard_env = 0;
1.1.1.14 root 896: int buf_width = 0, buf_height = 0;
1.1.1.28 root 897: bool get_console_info_success = false;
898: bool screen_size_changed = false;
899:
900: _TCHAR path[MAX_PATH], full[MAX_PATH], *name = NULL;
901: GetModuleFileName(NULL, path, MAX_PATH);
902: GetFullPathName(path, MAX_PATH, full, &name);
1.1 root 903:
1.1.1.27 root 904: char dummy_argv_0[] = "msdos.exe";
905: char dummy_argv_1[MAX_PATH];
906: char *dummy_argv[256] = {dummy_argv_0, dummy_argv_1, 0};
907: char new_exec_file[MAX_PATH];
908: bool convert_cmd_file = false;
1.1.1.28 root 909: unsigned int code_page = 0;
1.1.1.27 root 910:
911: if(name != NULL && stricmp(name, "msdos.exe") != 0) {
1.1.1.28 root 912: // check if command file is embedded to this execution file
913: // if this execution file name is msdos.exe, don't check
1.1.1.27 root 914: FILE* fp = fopen(full, "rb");
1.1.1.28 root 915: long offset = get_section_in_exec_file(fp, ".msdos");
916: if(offset != 0) {
1.1.1.30! root 917: UINT8 buffer[16];
1.1.1.28 root 918: fseek(fp, offset, SEEK_SET);
919: fread(buffer, sizeof(buffer), 1, fp);
920:
921: // restore flags
922: stay_busy = ((buffer[0] & 0x01) != 0);
923: no_windows = ((buffer[0] & 0x02) != 0);
924: standard_env = ((buffer[0] & 0x04) != 0);
925: ignore_illegal_insn = ((buffer[0] & 0x08) != 0);
926: limit_max_memory = ((buffer[0] & 0x10) != 0);
927: if((buffer[0] & 0x20) != 0) {
928: get_sio_port_numbers();
929: }
930: if((buffer[0] & 0x40) != 0) {
931: UMB_TOP = EMS_TOP + EMS_SIZE;
932: support_ems = true;
1.1.1.30! root 933: }
1.1.1.27 root 934: #ifdef SUPPORT_XMS
1.1.1.30! root 935: if((buffer[0] & 0x80) != 0) {
1.1.1.28 root 936: support_xms = true;
937: }
1.1.1.30! root 938: #endif
1.1.1.28 root 939: if((buffer[1] != 0 || buffer[2] != 0) && (buffer[3] != 0 || buffer[4] != 0)) {
940: buf_width = buffer[1] | (buffer[2] << 8);
941: buf_height = buffer[3] | (buffer[4] << 8);
942: }
943: if(buffer[5] != 0) {
1.1.1.30! root 944: dos_major_version = buffer[5];
! 945: dos_minor_version = buffer[6];
! 946: }
! 947: if(buffer[7] != 0) {
! 948: win_major_version = buffer[7];
! 949: win_minor_version = buffer[8];
1.1.1.28 root 950: }
1.1.1.30! root 951: if((code_page = buffer[9] | (buffer[10] << 8)) != 0) {
1.1.1.28 root 952: SetConsoleCP(code_page);
953: SetConsoleOutputCP(code_page);
954: }
1.1.1.30! root 955: int name_len = buffer[11];
! 956: int file_len = buffer[12] | (buffer[13] << 8) | (buffer[14] << 16) | (buffer[15] << 24);
1.1.1.28 root 957:
958: // restore command file name
959: memset(dummy_argv_1, 0, sizeof(dummy_argv_1));
960: fread(dummy_argv_1, name_len, 1, fp);
961:
962: if(name_len != 0 && _access(dummy_argv_1, 0) == 0) {
963: // if original command file exists, create a temporary file name
964: if(GetTempFileName(_T("."), _T("DOS"), 0, dummy_argv_1) != 0) {
965: // create a temporary command file in the current director
966: DeleteFile(dummy_argv_1);
1.1.1.27 root 967: } else {
1.1.1.28 root 968: // create a temporary command file in the temporary folder
969: GetTempPath(MAX_PATH, path);
970: if(GetTempFileName(path, _T("DOS"), 0, dummy_argv_1) != 0) {
971: DeleteFile(dummy_argv_1);
972: } else {
973: sprintf(dummy_argv_1, "%s$DOSPRG$.TMP", path);
974: }
1.1.1.27 root 975: }
1.1.1.28 root 976: // check the command file type
977: fread(buffer, 2, 1, fp);
978: fseek(fp, -2, SEEK_CUR);
979: if(memcmp(buffer, "MZ", 2) != 0) {
980: memcpy(dummy_argv_1 + strlen(dummy_argv_1) - 4, ".COM", 4);
981: } else {
982: memcpy(dummy_argv_1 + strlen(dummy_argv_1) - 4, ".EXE", 4);
1.1.1.27 root 983: }
984: }
1.1.1.28 root 985:
986: // restore command file
987: FILE* fo = fopen(dummy_argv_1, "wb");
988: for(int i = 0; i < file_len; i++) {
989: fputc(fgetc(fp), fo);
990: }
991: fclose(fo);
992:
993: GetFullPathName(dummy_argv_1, MAX_PATH, temp_file_path, NULL);
994: temp_file_created = true;
995: SetFileAttributes(temp_file_path, FILE_ATTRIBUTE_HIDDEN);
996:
997: // adjust argc/argv
998: for(int i = 1; i < argc && (i + 1) < 256; i++) {
999: dummy_argv[i + 1] = argv[i];
1000: }
1001: argc++;
1002: argv = dummy_argv;
1.1.1.27 root 1003: }
1004: fclose(fp);
1005: }
1.1.1.9 root 1006: for(int i = 1; i < argc; i++) {
1.1.1.25 root 1007: if(_strnicmp(argv[i], "-b", 2) == 0) {
1008: stay_busy = true;
1009: arg_offset++;
1.1.1.27 root 1010: } else if(_strnicmp(argv[i], "-c", 2) == 0) {
1011: if(argv[i][2] != '\0') {
1012: strcpy(new_exec_file, &argv[i][2]);
1013: } else {
1014: strcpy(new_exec_file, "new_exec_file.exe");
1015: }
1016: convert_cmd_file = true;
1017: arg_offset++;
1.1.1.28 root 1018: } else if(_strnicmp(argv[i], "-p", 2) == 0) {
1019: if(IS_NUMERIC(argv[i][2])) {
1020: code_page = atoi(&argv[i][2]);
1021: } else {
1022: code_page = GetConsoleCP();
1023: }
1024: arg_offset++;
1.1.1.25 root 1025: } else if(_strnicmp(argv[i], "-d", 2) == 0) {
1026: no_windows = true;
1027: arg_offset++;
1028: } else if(_strnicmp(argv[i], "-e", 2) == 0) {
1.1.1.9 root 1029: standard_env = 1;
1030: arg_offset++;
1.1.1.14 root 1031: } else if(_strnicmp(argv[i], "-i", 2) == 0) {
1032: ignore_illegal_insn = true;
1033: arg_offset++;
1034: } else if(_strnicmp(argv[i], "-m", 2) == 0) {
1035: limit_max_memory = true;
1036: arg_offset++;
1037: } else if(_strnicmp(argv[i], "-n", 2) == 0) {
1.1.1.17 root 1038: if(sscanf(argv[1] + 2, "%d,%d", &buf_height, &buf_width) != 2) {
1039: buf_width = buf_height = 0;
1040: }
1041: if(buf_width <= 0 || buf_width > 0x7fff) {
1042: buf_width = 80;
1043: }
1044: if(buf_height <= 0 || buf_height > 0x7fff) {
1045: buf_height = 25;
1046: }
1.1.1.14 root 1047: arg_offset++;
1.1.1.25 root 1048: } else if(_strnicmp(argv[i], "-s", 2) == 0) {
1.1.1.28 root 1049: if(IS_NUMERIC(argv[i][2])) {
1.1.1.29 root 1050: char *p0 = &argv[i][2], *p1, *p2, *p3;
1051: if((p1 = strchr(p0, ',')) != NULL && IS_NUMERIC(p1[1])) {
1052: sio_port_number[1] = atoi(p1 + 1);
1053: if((p2 = strchr(p1, ',')) != NULL && IS_NUMERIC(p2[1])) {
1054: sio_port_number[2] = atoi(p2 + 1);
1055: if((p3 = strchr(p2, ',')) != NULL && IS_NUMERIC(p3[1])) {
1056: sio_port_number[3] = atoi(p3 + 1);
1057: }
1058: }
1.1.1.25 root 1059: }
1.1.1.29 root 1060: sio_port_number[0] = atoi(p0);
1.1.1.25 root 1061: }
1.1.1.29 root 1062: 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 1063: get_sio_port_numbers();
1.1.1.25 root 1064: }
1065: arg_offset++;
1.1.1.9 root 1066: } else if(_strnicmp(argv[i], "-v", 2) == 0) {
1.1.1.17 root 1067: 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 1068: dos_major_version = argv[i][2] - '0';
! 1069: dos_minor_version = (argv[i][4] - '0') * 10 + (argv[i][5] ? (argv[i][5] - '0') : 0);
! 1070: }
! 1071: arg_offset++;
! 1072: } else if(_strnicmp(argv[i], "-w", 2) == 0) {
! 1073: 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]))) {
! 1074: win_major_version = argv[i][2] - '0';
! 1075: win_minor_version = (argv[i][4] - '0') * 10 + (argv[i][5] ? (argv[i][5] - '0') : 0);
1.1.1.9 root 1076: }
1077: arg_offset++;
1.1.1.25 root 1078: } else if(_strnicmp(argv[i], "-x", 2) == 0) {
1079: UMB_TOP = EMS_TOP + EMS_SIZE;
1080: support_ems = true;
1081: #ifdef SUPPORT_XMS
1082: support_xms = true;
1083: #endif
1084: arg_offset++;
1.1.1.9 root 1085: } else {
1086: break;
1087: }
1088: }
1089: if(argc < 2 + arg_offset) {
1.1 root 1090: #ifdef _WIN64
1.1.1.14 root 1091: fprintf(stderr, "MS-DOS Player (" CPU_MODEL_NAME(CPU_MODEL) ") for Win32-x64 console\n\n");
1.1 root 1092: #else
1.1.1.14 root 1093: fprintf(stderr, "MS-DOS Player (" CPU_MODEL_NAME(CPU_MODEL) ") for Win32 console\n\n");
1.1 root 1094: #endif
1.1.1.25 root 1095: fprintf(stderr,
1.1.1.28 root 1096: "Usage: MSDOS [-b] [-c[(new exec file)] [-p[P]]] [-d] [-e] [-i] [-m] [-n[L[,C]]]\n"
1.1.1.30! root 1097: " [-s[P1[,P2[,P3[,P4]]]]] [-vX.XX] [-wX.XX] [-x] (command) [options]\n"
1.1.1.25 root 1098: "\n"
1099: "\t-b\tstay busy during keyboard polling\n"
1.1.1.28 root 1100: #ifdef _WIN64
1.1.1.27 root 1101: "\t-c\tconvert command file to 64bit execution file\n"
1.1.1.28 root 1102: #else
1.1.1.27 root 1103: "\t-c\tconvert command file to 32bit execution file\n"
1104: #endif
1.1.1.28 root 1105: "\t-p\trecord current code page when convert command file\n"
1.1.1.25 root 1106: "\t-d\tpretend running under straight DOS, not Windows\n"
1107: "\t-e\tuse a reduced environment block\n"
1108: "\t-i\tignore invalid instructions\n"
1109: "\t-m\trestrict free memory to 0x7FFF paragraphs\n"
1110: "\t-n\tcreate a new buffer (25 lines, 80 columns by default)\n"
1111: "\t-s\tenable serial I/O and set host's COM port numbers\n"
1112: "\t-v\tset the DOS version\n"
1.1.1.30! root 1113: "\t-w\tset the Windows version\n"
1.1.1.19 root 1114: #ifdef SUPPORT_XMS
1.1.1.28 root 1115: "\t-x\tenable XMS and LIM EMS\n"
1.1.1.19 root 1116: #else
1.1.1.28 root 1117: "\t-x\tenable LIM EMS\n"
1.1.1.19 root 1118: #endif
1119: );
1.1.1.10 root 1120:
1121: if(!is_started_from_command_prompt()) {
1122: fprintf(stderr, "\nStart this program from a command prompt!\n\nHit any key to quit...");
1123: while(!_kbhit()) {
1124: Sleep(10);
1125: }
1126: }
1.1.1.20 root 1127: #ifdef _DEBUG
1128: _CrtDumpMemoryLeaks();
1129: #endif
1.1 root 1130: return(EXIT_FAILURE);
1131: }
1.1.1.27 root 1132: if(convert_cmd_file) {
1133: retval = EXIT_FAILURE;
1.1.1.28 root 1134: if(name != NULL/* && stricmp(name, "msdos.exe") == 0*/) {
1.1.1.27 root 1135: FILE *fp = NULL, *fs = NULL, *fo = NULL;
1.1.1.28 root 1136: int len = strlen(argv[arg_offset + 1]), data;
1.1.1.27 root 1137:
1.1.1.28 root 1138: if(!(len > 4 && (stricmp(argv[arg_offset + 1] + len - 4, ".COM") == 0 || stricmp(argv[arg_offset + 1] + len - 4, ".EXE") == 0))) {
1139: fprintf(stderr, "Specify command file with extenstion (.COM or .EXE)\n");
1140: } else if((fp = fopen(full, "rb")) == NULL) {
1141: fprintf(stderr, "Can't open '%s'\n", name);
1.1.1.27 root 1142: } else {
1.1.1.28 root 1143: long offset = get_section_in_exec_file(fp, ".msdos");
1144: if(offset != 0) {
1145: UINT8 buffer[14];
1146: fseek(fp, offset, SEEK_SET);
1147: fread(buffer, sizeof(buffer), 1, fp);
1148: memset(path, 0, sizeof(path));
1149: fread(path, buffer[9], 1, fp);
1150: fprintf(stderr, "Command file '%s' was already embedded to '%s'\n", path, name);
1151: } else if((fs = fopen(argv[arg_offset + 1], "rb")) == NULL) {
1152: fprintf(stderr, "Can't open '%s'\n", argv[arg_offset + 1]);
1153: } else if((fo = fopen(new_exec_file, "wb")) == NULL) {
1154: fprintf(stderr, "Can't open '%s'\n", new_exec_file);
1155: } else {
1156: // read pe header of msdos.exe
1157: UINT8 header[0x400];
1158: fseek(fp, 0, SEEK_SET);
1159: fread(header, sizeof(header), 1, fp);
1160:
1161: _IMAGE_DOS_HEADER *dosHeader = (_IMAGE_DOS_HEADER *)(header + 0);
1162: DWORD dwTopOfSignature = dosHeader->e_lfanew;
1163: DWORD dwTopOfCoffHeader = dwTopOfSignature + 4;
1164: _IMAGE_FILE_HEADER *coffHeader = (_IMAGE_FILE_HEADER *)(header + dwTopOfCoffHeader);
1165: DWORD dwTopOfOptionalHeader = dwTopOfCoffHeader + sizeof(_IMAGE_FILE_HEADER);
1166: _IMAGE_OPTIONAL_HEADER *optionalHeader = (_IMAGE_OPTIONAL_HEADER *)(header + dwTopOfOptionalHeader);
1167: DWORD dwTopOfFirstSectionHeader = dwTopOfOptionalHeader + coffHeader->SizeOfOptionalHeader;
1168:
1169: _IMAGE_SECTION_HEADER *lastSectionHeader = (_IMAGE_SECTION_HEADER *)(header + dwTopOfFirstSectionHeader + IMAGE_SIZEOF_SECTION_HEADER * (coffHeader->NumberOfSections - 1));
1170: DWORD dwEndOfFile = lastSectionHeader->PointerToRawData + lastSectionHeader->SizeOfRawData;
1171: DWORD dwLastSectionSize = lastSectionHeader->SizeOfRawData;
1172: DWORD dwExtraLastSectionBytes = dwLastSectionSize % optionalHeader->SectionAlignment;
1173: if(dwExtraLastSectionBytes != 0) {
1174: DWORD dwRemain = optionalHeader->SectionAlignment - dwExtraLastSectionBytes;
1175: dwLastSectionSize += dwRemain;
1176: }
1177: DWORD dwVirtualAddress = lastSectionHeader->VirtualAddress + dwLastSectionSize;
1178:
1179: // store msdos.exe
1180: fseek(fp, 0, SEEK_SET);
1181: for(int i = 0; i < dwEndOfFile; i++) {
1182: if((data = fgetc(fp)) != EOF) {
1183: fputc(data, fo);
1184: } else {
1185: // we should not reach here :-(
1186: fputc(0, fo);
1187: }
1188: }
1189:
1190: // store options
1191: UINT8 flags = 0;
1192: if(stay_busy) {
1193: flags |= 0x01;
1194: }
1195: if(no_windows) {
1196: flags |= 0x02;
1197: }
1198: if(standard_env) {
1199: flags |= 0x04;
1200: }
1201: if(ignore_illegal_insn) {
1202: flags |= 0x08;
1203: }
1204: if(limit_max_memory) {
1205: flags |= 0x10;
1206: }
1.1.1.29 root 1207: 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 1208: flags |= 0x20;
1209: }
1210: if(support_ems) {
1211: flags |= 0x40;
1212: }
1.1.1.30! root 1213: #ifdef SUPPORT_XMS
! 1214: if(support_xms) {
! 1215: flags |= 0x80;
! 1216: }
! 1217: #endif
1.1.1.28 root 1218:
1219: fputc(flags, fo);
1220: fputc((buf_width >> 0) & 0xff, fo);
1221: fputc((buf_width >> 8) & 0xff, fo);
1222: fputc((buf_height >> 0) & 0xff, fo);
1223: fputc((buf_height >> 8) & 0xff, fo);
1.1.1.30! root 1224: fputc(dos_major_version, fo);
! 1225: fputc(dos_minor_version, fo);
! 1226: fputc(win_major_version, fo);
! 1227: fputc(win_minor_version, fo);
1.1.1.28 root 1228: fputc((code_page >> 0) & 0xff, fo);
1229: fputc((code_page >> 8) & 0xff, fo);
1230:
1231: // store command file info
1232: GetFullPathName(argv[arg_offset + 1], MAX_PATH, full, &name);
1233: int name_len = strlen(name);
1234: fseek(fs, 0, SEEK_END);
1235: long file_size = ftell(fs);
1236:
1237: fputc(name_len, fo);
1238: fputc((file_size >> 0) & 0xff, fo);
1239: fputc((file_size >> 8) & 0xff, fo);
1240: fputc((file_size >> 16) & 0xff, fo);
1241: fputc((file_size >> 24) & 0xff, fo);
1242: fwrite(name, name_len, 1, fo);
1243:
1244: // store command file
1245: fseek(fs, 0, SEEK_SET);
1246: for(int i = 0; i < file_size; i++) {
1247: if((data = fgetc(fs)) != EOF) {
1248: fputc(data, fo);
1249: } else {
1250: // we should not reach here :-(
1251: fputc(0, fo);
1252: }
1253: }
1254:
1255: // store padding data and update pe header
1.1.1.29 root 1256: _IMAGE_SECTION_HEADER *newSectionHeader = (_IMAGE_SECTION_HEADER *)(header + dwTopOfFirstSectionHeader + IMAGE_SIZEOF_SECTION_HEADER * coffHeader->NumberOfSections);
1257: coffHeader->NumberOfSections++;
1258: memset(newSectionHeader, 0, IMAGE_SIZEOF_SECTION_HEADER);
1259: memcpy(newSectionHeader->Name, ".msdos", 6);
1260: newSectionHeader->VirtualAddress = dwVirtualAddress;
1261: newSectionHeader->PointerToRawData = dwEndOfFile;
1262: newSectionHeader->Characteristics = IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_DISCARDABLE;
1.1.1.28 root 1263: newSectionHeader->SizeOfRawData = 14 + name_len + file_size;
1264: DWORD dwExtraRawBytes = newSectionHeader->SizeOfRawData % optionalHeader->FileAlignment;
1265: if(dwExtraRawBytes != 0) {
1.1.1.29 root 1266: static const char padding[] = "PADDINGXXPADDING";
1.1.1.28 root 1267: DWORD dwRemain = optionalHeader->FileAlignment - dwExtraRawBytes;
1268: for(int i = 0; i < dwRemain; i++) {
1.1.1.29 root 1269: if(i < 2) {
1270: fputc(padding[i & 15], fo);
1271: } else {
1272: fputc(padding[(i - 2) & 15], fo);
1273: }
1.1.1.28 root 1274: }
1275: newSectionHeader->SizeOfRawData += dwRemain;
1276: }
1277: newSectionHeader->Misc.VirtualSize = newSectionHeader->SizeOfRawData;
1278:
1279: DWORD dwNewSectionSize = newSectionHeader->SizeOfRawData;
1280: DWORD dwExtraNewSectionBytes = dwNewSectionSize % optionalHeader->SectionAlignment;
1281: if(dwExtraNewSectionBytes != 0) {
1282: DWORD dwRemain = optionalHeader->SectionAlignment - dwExtraNewSectionBytes;
1283: dwNewSectionSize += dwRemain;
1284: }
1285: optionalHeader->SizeOfImage += dwNewSectionSize;
1286:
1287: fseek(fo, 0, SEEK_SET);
1288: fwrite(header, sizeof(header), 1, fo);
1289:
1290: fprintf(stderr, "'%s' is successfully created\n", new_exec_file);
1291: retval = EXIT_SUCCESS;
1.1.1.27 root 1292: }
1293: }
1294: if(fp != NULL) {
1295: fclose(fp);
1296: }
1297: if(fs != NULL) {
1298: fclose(fs);
1299: }
1300: if(fo != NULL) {
1301: fclose(fo);
1302: }
1303: }
1304: #ifdef _DEBUG
1305: _CrtDumpMemoryLeaks();
1306: #endif
1307: return(retval);
1308: }
1.1 root 1309:
1.1.1.14 root 1310: is_vista_or_later = is_greater_windows_version(6, 0, 0, 0);
1311:
1.1.1.23 root 1312: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 1313: CONSOLE_SCREEN_BUFFER_INFO csbi;
1.1.1.14 root 1314: CONSOLE_CURSOR_INFO ci;
1.1.1.23 root 1315:
1.1.1.28 root 1316: get_console_info_success = (GetConsoleScreenBufferInfo(hStdout, &csbi) != 0);
1.1.1.14 root 1317: GetConsoleCursorInfo(hStdout, &ci);
1.1.1.24 root 1318: GetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), &dwConsoleMode);
1.1 root 1319:
1.1.1.14 root 1320: for(int y = 0; y < SCR_BUF_WIDTH; y++) {
1321: for(int x = 0; x < SCR_BUF_HEIGHT; x++) {
1322: SCR_BUF(y,x).Char.AsciiChar = ' ';
1323: SCR_BUF(y,x).Attributes = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
1.1 root 1324: }
1325: }
1.1.1.28 root 1326: if(get_console_info_success) {
1.1.1.12 root 1327: scr_width = csbi.dwSize.X;
1.1.1.14 root 1328: scr_height = csbi.srWindow.Bottom - csbi.srWindow.Top + 1;
1329:
1.1.1.28 root 1330: // v-text shadow buffer size must be lesser than 0x7fd0
1331: if((scr_width > SCR_BUF_WIDTH) || (scr_height > SCR_BUF_HEIGHT) || (scr_width * scr_height * 2 > 0x7fd0) ||
1.1.1.14 root 1332: (buf_width != 0 && buf_width != scr_width) || (buf_height != 0 && buf_height != scr_height)) {
1333: scr_width = min(buf_width != 0 ? buf_width : scr_width, SCR_BUF_WIDTH);
1334: scr_height = min(buf_height != 0 ? buf_height : scr_height, SCR_BUF_HEIGHT);
1.1.1.28 root 1335: if(scr_width * scr_height * 2 > 0x7fd0) {
1.1.1.14 root 1336: scr_width = 80;
1337: scr_height = 25;
1338: }
1.1.1.28 root 1339: screen_size_changed = true;
1.1.1.14 root 1340: }
1.1.1.12 root 1341: } else {
1342: // for a proof (not a console)
1343: scr_width = 80;
1344: scr_height = 25;
1345: }
1.1.1.14 root 1346: scr_buf_size.X = scr_width;
1347: scr_buf_size.Y = scr_height;
1348: scr_buf_pos.X = scr_buf_pos.Y = 0;
1349: scr_top = csbi.srWindow.Top;
1.1 root 1350: cursor_moved = false;
1351:
1.1.1.25 root 1352: key_buf_char = new FIFO(256);
1353: key_buf_scan = new FIFO(256);
1.1 root 1354:
1355: hardware_init();
1356:
1.1.1.9 root 1357: if(msdos_init(argc - (arg_offset + 1), argv + (arg_offset + 1), envp, standard_env)) {
1.1 root 1358: retval = EXIT_FAILURE;
1359: } else {
1.1.1.27 root 1360: #if defined(_MSC_VER) && (_MSC_VER >= 1400)
1.1.1.14 root 1361: _set_invalid_parameter_handler((_invalid_parameter_handler)ignore_invalid_parameters);
1362: #endif
1363: SetConsoleCtrlHandler(ctrl_handler, TRUE);
1364:
1.1.1.28 root 1365: if(screen_size_changed) {
1.1.1.24 root 1366: change_console_size(scr_width, scr_height);
1367: }
1.1.1.8 root 1368: TIMECAPS caps;
1369: timeGetDevCaps(&caps, sizeof(TIMECAPS));
1370: timeBeginPeriod(caps.wPeriodMin);
1.1.1.14 root 1371: #ifdef USE_THREAD
1372: InitializeCriticalSection(&vram_crit_sect);
1373: CloseHandle(CreateThread(NULL, 4096, vram_thread, NULL, 0, NULL));
1374: #endif
1.1 root 1375: hardware_run();
1.1.1.14 root 1376: #ifdef USE_THREAD
1377: vram_flush();
1378: DeleteCriticalSection(&vram_crit_sect);
1379: #endif
1.1.1.24 root 1380: timeEndPeriod(caps.wPeriodMin);
1.1.1.14 root 1381:
1.1.1.24 root 1382: // hStdin/hStdout (and all handles) will be closed in msdos_finish()...
1.1.1.28 root 1383: if(get_console_info_success) {
1.1.1.23 root 1384: hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.12 root 1385: if(restore_console_on_exit) {
1.1.1.14 root 1386: // window can't be bigger than buffer,
1387: // buffer can't be smaller than window,
1388: // so make a tiny window,
1389: // set the required buffer,
1390: // then set the required window
1391: SMALL_RECT rect;
1392: SET_RECT(rect, 0, csbi.srWindow.Top, 0, csbi.srWindow.Top);
1393: SetConsoleWindowInfo(hStdout, TRUE, &rect);
1.1.1.12 root 1394: SetConsoleScreenBufferSize(hStdout, csbi.dwSize);
1.1.1.14 root 1395: SET_RECT(rect, 0, 0, csbi.srWindow.Right - csbi.srWindow.Left, csbi.srWindow.Bottom - csbi.srWindow.Top);
1.1.1.12 root 1396: SetConsoleWindowInfo(hStdout, TRUE, &rect);
1397: }
1.1.1.14 root 1398: SetConsoleTextAttribute(hStdout, csbi.wAttributes);
1399: SetConsoleCursorInfo(hStdout, &ci);
1.1.1.12 root 1400: }
1.1.1.24 root 1401: SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), dwConsoleMode);
1402:
1.1 root 1403: msdos_finish();
1.1.1.14 root 1404:
1405: SetConsoleCtrlHandler(ctrl_handler, FALSE);
1.1 root 1406: }
1407:
1.1.1.10 root 1408: hardware_finish();
1409:
1.1.1.28 root 1410: if(key_buf_char != NULL) {
1411: key_buf_char->release();
1412: delete key_buf_char;
1413: key_buf_char = NULL;
1414: }
1415: if(key_buf_scan != NULL) {
1416: key_buf_scan->release();
1417: delete key_buf_scan;
1418: key_buf_scan = NULL;
1419: }
1420: if(temp_file_created) {
1421: DeleteFile(temp_file_path);
1422: temp_file_created = false;
1423: }
1424: // if(argv == dummy_argv) {
1425: // if(!is_started_from_command_prompt()) {
1426: // fprintf(stderr, "\nHit any key to quit...");
1427: // while(!_kbhit()) {
1428: // Sleep(10);
1429: // }
1430: // }
1431: // }
1.1.1.20 root 1432: #ifdef _DEBUG
1433: _CrtDumpMemoryLeaks();
1434: #endif
1.1 root 1435: return(retval);
1436: }
1437:
1.1.1.20 root 1438: /* ----------------------------------------------------------------------------
1439: console
1440: ---------------------------------------------------------------------------- */
1441:
1.1.1.14 root 1442: void change_console_size(int width, int height)
1.1.1.12 root 1443: {
1.1.1.23 root 1444: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.12 root 1445: CONSOLE_SCREEN_BUFFER_INFO csbi;
1446: SMALL_RECT rect;
1447: COORD co;
1448:
1449: GetConsoleScreenBufferInfo(hStdout, &csbi);
1.1.1.14 root 1450: if(csbi.srWindow.Top != 0 || csbi.dwCursorPosition.Y > height - 1) {
1451: if(csbi.srWindow.Right - csbi.srWindow.Left + 1 == width && csbi.srWindow.Bottom - csbi.srWindow.Top + 1 == height) {
1452: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &csbi.srWindow);
1453: SET_RECT(rect, 0, 0, width - 1, height - 1);
1454: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1455: } else if(csbi.dwCursorPosition.Y > height - 1) {
1456: SET_RECT(rect, 0, csbi.dwCursorPosition.Y - (height - 1), width - 1, csbi.dwCursorPosition.Y);
1457: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1458: SET_RECT(rect, 0, 0, width - 1, height - 1);
1459: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1.1.12 root 1460: }
1461: }
1.1.1.14 root 1462: if(csbi.dwCursorPosition.Y > height - 1) {
1.1.1.12 root 1463: co.X = csbi.dwCursorPosition.X;
1.1.1.14 root 1464: co.Y = min(height - 1, csbi.dwCursorPosition.Y - csbi.srWindow.Top);
1.1.1.12 root 1465: SetConsoleCursorPosition(hStdout, co);
1466: cursor_moved = true;
1467: }
1.1.1.14 root 1468:
1469: // window can't be bigger than buffer,
1470: // buffer can't be smaller than window,
1471: // so make a tiny window,
1472: // set the required buffer,
1473: // then set the required window
1474: SET_RECT(rect, 0, csbi.srWindow.Top, 0, csbi.srWindow.Top);
1.1.1.12 root 1475: SetConsoleWindowInfo(hStdout, TRUE, &rect);
1.1.1.14 root 1476: co.X = width;
1477: co.Y = height;
1.1.1.12 root 1478: SetConsoleScreenBufferSize(hStdout, co);
1.1.1.14 root 1479: SET_RECT(rect, 0, 0, width - 1, height - 1);
1480: SetConsoleWindowInfo(hStdout, TRUE, &rect);
1481:
1482: scr_width = scr_buf_size.X = width;
1483: scr_height = scr_buf_size.Y = height;
1484: scr_top = 0;
1485:
1486: clear_scr_buffer(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
1487:
1488: int regen = min(scr_width * scr_height * 2, 0x8000);
1.1.1.15 root 1489: text_vram_end_address = text_vram_top_address + regen;
1490: shadow_buffer_end_address = shadow_buffer_top_address + regen;
1491:
1.1.1.14 root 1492: if(regen > 0x4000) {
1493: regen = 0x8000;
1494: vram_pages = 1;
1495: } else if(regen > 0x2000) {
1496: regen = 0x4000;
1497: vram_pages = 2;
1498: } else if(regen > 0x1000) {
1499: regen = 0x2000;
1500: vram_pages = 4;
1501: } else {
1502: regen = 0x1000;
1503: vram_pages = 8;
1504: }
1.1.1.15 root 1505: *(UINT16 *)(mem + 0x44a) = scr_width;
1506: *(UINT16 *)(mem + 0x44c) = regen;
1507: *(UINT8 *)(mem + 0x484) = scr_height - 1;
1508:
1.1.1.24 root 1509: mouse.min_position.x = 0;
1510: mouse.min_position.y = 0;
1511: mouse.max_position.x = 8 * scr_width - 1;
1512: mouse.max_position.y = 8 * scr_height - 1;
1513:
1.1.1.15 root 1514: restore_console_on_exit = true;
1.1.1.14 root 1515: }
1516:
1517: void clear_scr_buffer(WORD attr)
1518: {
1519: for(int y = 0; y < scr_height; y++) {
1520: for(int x = 0; x < scr_width; x++) {
1521: SCR_BUF(y,x).Char.AsciiChar = ' ';
1522: SCR_BUF(y,x).Attributes = attr;
1523: }
1524: }
1.1.1.12 root 1525: }
1526:
1.1.1.24 root 1527: bool update_console_input()
1.1 root 1528: {
1.1.1.23 root 1529: HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE);
1.1.1.8 root 1530: DWORD dwNumberOfEvents = 0;
1.1 root 1531: DWORD dwRead;
1532: INPUT_RECORD ir[16];
1.1.1.24 root 1533: CONSOLE_SCREEN_BUFFER_INFO csbi = {0};
1534: bool result = false;
1.1 root 1535:
1.1.1.8 root 1536: if(GetNumberOfConsoleInputEvents(hStdin, &dwNumberOfEvents) && dwNumberOfEvents != 0) {
1537: if(ReadConsoleInputA(hStdin, ir, 16, &dwRead)) {
1538: for(int i = 0; i < dwRead; i++) {
1.1.1.24 root 1539: if(ir[i].EventType & MOUSE_EVENT) {
1540: if(mouse.active) {
1541: if(ir[i].Event.MouseEvent.dwEventFlags == 0) {
1542: for(int i = 0; i < MAX_MOUSE_BUTTONS; i++) {
1543: static const DWORD bits[] = {
1544: FROM_LEFT_1ST_BUTTON_PRESSED, // left
1545: RIGHTMOST_BUTTON_PRESSED, // right
1546: FROM_LEFT_2ND_BUTTON_PRESSED, // middle
1.1.1.14 root 1547: };
1.1.1.24 root 1548: bool prev_status = mouse.buttons[i].status;
1549: mouse.buttons[i].status = ((ir[i].Event.MouseEvent.dwButtonState & bits[i]) != 0);
1550:
1551: if(!prev_status && mouse.buttons[i].status) {
1552: mouse.buttons[i].pressed_times++;
1553: mouse.buttons[i].pressed_position.x = mouse.position.x;
1554: mouse.buttons[i].pressed_position.y = mouse.position.y;
1555: mouse.status |= 2 << (i * 2);
1556: } else if(prev_status && !mouse.buttons[i].status) {
1557: mouse.buttons[i].released_times++;
1558: mouse.buttons[i].released_position.x = mouse.position.x;
1559: mouse.buttons[i].released_position.y = mouse.position.y;
1560: mouse.status |= 4 << (i * 2);
1561: }
1.1.1.14 root 1562: }
1.1.1.24 root 1563: } else if(ir[i].Event.MouseEvent.dwEventFlags & MOUSE_MOVED) {
1564: // NOTE: if restore_console_on_exit, console is not scrolled
1565: if(!restore_console_on_exit && csbi.srWindow.Bottom == 0) {
1566: GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
1.1.1.14 root 1567: }
1.1.1.28 root 1568: // FIXME: character size is always 8x8 ???
1569: int x = 3 + 8 * (ir[i].Event.MouseEvent.dwMousePosition.X);
1570: int y = 4 + 8 * (ir[i].Event.MouseEvent.dwMousePosition.Y - csbi.srWindow.Top);
1.1.1.24 root 1571: if(mouse.position.x != x || mouse.position.y != y) {
1572: mouse.position.x = x;
1573: mouse.position.y = y;
1574: mouse.status |= 1;
1.1.1.14 root 1575: }
1576: }
1577: }
1.1.1.24 root 1578: } else if(ir[i].EventType & KEY_EVENT) {
1.1.1.28 root 1579: // set scan code of last pressed/release key to kbd_data (in-port 60h)
1.1.1.24 root 1580: kbd_data = ir[i].Event.KeyEvent.wVirtualScanCode;
1.1.1.14 root 1581: if(!ir[i].Event.KeyEvent.bKeyDown) {
1.1.1.28 root 1582: // break
1.1.1.14 root 1583: kbd_data |= 0x80;
1.1.1.24 root 1584: } else {
1.1.1.28 root 1585: // make
1.1.1.24 root 1586: kbd_data &= 0x7f;
1587:
1588: // update dos key buffer
1589: UINT8 chr = ir[i].Event.KeyEvent.uChar.AsciiChar;
1590: UINT8 scn = ir[i].Event.KeyEvent.wVirtualScanCode & 0xff;
1591:
1592: if(chr == 0) {
1593: if(ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED)) {
1594: if(scn >= 0x3b && scn <= 0x44) {
1595: scn += 0x68 - 0x3b; // F1 to F10
1596: } else if(scn == 0x57 || scn == 0x58) {
1597: scn += 0x8b - 0x57; // F11 & F12
1598: } else if(scn >= 0x47 && scn <= 0x53) {
1599: scn += 0x97 - 0x47; // edit/arrow clusters
1600: } else if(scn == 0x35) {
1601: scn = 0xa4; // keypad /
1602: }
1603: } else if(ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED)) {
1604: if(scn == 0x07) {
1605: chr = 0x1e; // Ctrl+^
1606: } else if(scn == 0x0c) {
1607: chr = 0x1f; // Ctrl+_
1608: } else if(scn >= 0x35 && scn <= 0x58) {
1609: static const UINT8 ctrl_map[] = {
1610: 0x95, // keypad /
1611: 0,
1612: 0x96, // keypad *
1613: 0, 0, 0,
1614: 0x5e, // F1
1615: 0x5f, // F2
1616: 0x60, // F3
1617: 0x61, // F4
1618: 0x62, // F5
1619: 0x63, // F6
1620: 0x64, // F7
1621: 0x65, // F8
1622: 0x66, // F9
1623: 0x67, // F10
1624: 0,
1625: 0,
1626: 0x77, // Home
1627: 0x8d, // Up
1628: 0x84, // PgUp
1629: 0x8e, // keypad -
1630: 0x73, // Left
1631: 0x8f, // keypad center
1632: 0x74, // Right
1633: 0x90, // keyapd +
1634: 0x75, // End
1635: 0x91, // Down
1636: 0x76, // PgDn
1637: 0x92, // Insert
1638: 0x93, // Delete
1639: 0, 0, 0,
1640: 0x89, // F11
1641: 0x8a, // F12
1642: };
1643: scn = ctrl_map[scn - 0x35];
1644: }
1645: } else if(ir[i].Event.KeyEvent.dwControlKeyState & SHIFT_PRESSED) {
1646: if(scn >= 0x3b && scn <= 0x44) {
1647: scn += 0x54 - 0x3b; // F1 to F10
1648: } else if(scn == 0x57 || scn == 0x58) {
1649: scn += 0x87 - 0x57; // F11 & F12
1650: }
1651: } else if(scn == 0x57 || scn == 0x58) {
1652: scn += 0x85 - 0x57;
1653: }
1654: // ignore shift, ctrl, alt, win and menu keys
1655: if(scn != 0x1d && scn != 0x2a && scn != 0x36 && scn != 0x38 && (scn < 0x5b || scn > 0x5e)) {
1656: if(chr == 0) {
1657: key_buf_char->write(0x00);
1658: key_buf_scan->write(ir[i].Event.KeyEvent.dwControlKeyState & ENHANCED_KEY ? 0xe0 : 0x00);
1659: }
1660: key_buf_char->write(chr);
1661: key_buf_scan->write(scn);
1662: }
1663: } else {
1664: if(ir[i].Event.KeyEvent.dwControlKeyState & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED)) {
1665: chr = 0;
1666: if(scn >= 0x02 && scn <= 0x0e) {
1667: scn += 0x78 - 0x02; // 1 to 0 - =
1668: }
1669: }
1670: key_buf_char->write(chr);
1671: key_buf_scan->write(scn);
1672: }
1.1 root 1673: }
1.1.1.24 root 1674: result = key_changed = true;
1.1 root 1675: }
1676: }
1677: }
1678: }
1.1.1.24 root 1679: return(result);
1.1.1.8 root 1680: }
1681:
1.1.1.14 root 1682: bool update_key_buffer()
1.1.1.8 root 1683: {
1.1.1.24 root 1684: return(update_console_input() || key_buf_char->count() != 0);
1.1.1.8 root 1685: }
1686:
1.1.1.20 root 1687: /* ----------------------------------------------------------------------------
1688: MS-DOS virtual machine
1689: ---------------------------------------------------------------------------- */
1690:
1691: void msdos_psp_set_file_table(int fd, UINT8 value, int psp_seg);
1692: int msdos_psp_get_file_table(int fd, int psp_seg);
1693: void msdos_putch(UINT8 data);
1694:
1.1 root 1695: // process info
1696:
1697: process_t *msdos_process_info_create(UINT16 psp_seg)
1698: {
1699: for(int i = 0; i < MAX_PROCESS; i++) {
1700: if(process[i].psp == 0 || process[i].psp == psp_seg) {
1701: memset(&process[i], 0, sizeof(process_t));
1702: process[i].psp = psp_seg;
1703: return(&process[i]);
1704: }
1705: }
1706: fatalerror("too many processes\n");
1707: return(NULL);
1708: }
1709:
1710: process_t *msdos_process_info_get(UINT16 psp_seg)
1711: {
1712: for(int i = 0; i < MAX_PROCESS; i++) {
1713: if(process[i].psp == psp_seg) {
1714: return(&process[i]);
1715: }
1716: }
1717: fatalerror("invalid psp address\n");
1718: return(NULL);
1719: }
1720:
1.1.1.23 root 1721: void msdos_sda_update(int psp_seg)
1722: {
1723: sda_t *sda = (sda_t *)(mem + SDA_TOP);
1724:
1725: for(int i = 0; i < MAX_PROCESS; i++) {
1726: if(process[i].psp == psp_seg) {
1727: sda->switchar = process[i].switchar;
1728: sda->current_dta.w.l = process[i].dta.w.l;
1729: sda->current_dta.w.h = process[i].dta.w.h;
1730: sda->current_psp = process[i].psp;
1731: break;
1732: }
1733: }
1734: sda->malloc_strategy = malloc_strategy;
1735: sda->return_code = retval;
1736: sda->current_drive = _getdrive();
1737: }
1738:
1.1.1.13 root 1739: // dta info
1740:
1741: void msdos_dta_info_init()
1742: {
1.1.1.14 root 1743: for(int i = 0; i < MAX_DTAINFO; i++) {
1.1.1.13 root 1744: dtalist[i].find_handle = INVALID_HANDLE_VALUE;
1745: }
1746: }
1747:
1748: dtainfo_t *msdos_dta_info_get(UINT16 psp_seg, UINT32 dta_laddr)
1749: {
1750: dtainfo_t *free_dta = NULL;
1.1.1.14 root 1751: for(int i = 0; i < MAX_DTAINFO; i++) {
1752: if(dtalist[i].find_handle == INVALID_HANDLE_VALUE) {
1753: if(free_dta == NULL) {
1.1.1.13 root 1754: free_dta = &dtalist[i];
1755: }
1.1.1.14 root 1756: } else if(dta_laddr < LFN_DTA_LADDR && dtalist[i].dta == dta_laddr) {
1.1.1.13 root 1757: return(&dtalist[i]);
1758: }
1759: }
1.1.1.14 root 1760: if(free_dta) {
1.1.1.13 root 1761: free_dta->psp = psp_seg;
1762: free_dta->dta = dta_laddr;
1763: return(free_dta);
1764: }
1765: fatalerror("too many dta\n");
1766: return(NULL);
1767: }
1768:
1769: void msdos_dta_info_free(UINT16 psp_seg)
1770: {
1.1.1.14 root 1771: for(int i = 0; i < MAX_DTAINFO; i++) {
1772: if(dtalist[i].psp == psp_seg && dtalist[i].find_handle != INVALID_HANDLE_VALUE) {
1.1.1.13 root 1773: FindClose(dtalist[i].find_handle);
1774: dtalist[i].find_handle = INVALID_HANDLE_VALUE;
1775: }
1776: }
1777: }
1778:
1.1 root 1779: void msdos_cds_update(int drv)
1780: {
1781: cds_t *cds = (cds_t *)(mem + CDS_TOP);
1782:
1783: memset(mem + CDS_TOP, 0, CDS_SIZE);
1784: sprintf(cds->path_name, "%c:\\", 'A' + drv);
1785: cds->drive_attrib = 0x4000; // physical drive
1786: cds->physical_drive_number = drv;
1787: }
1788:
1.1.1.17 root 1789: // nls information tables
1790:
1791: // uppercase table (func 6502h)
1792: void msdos_upper_table_update()
1793: {
1794: *(UINT16 *)(mem + UPPERTABLE_TOP) = 0x80;
1.1.1.22 root 1795: for(unsigned i = 0; i < 0x80; ++i) {
1.1.1.17 root 1796: UINT8 c[4];
1797: *(UINT32 *)c = 0; // reset internal conversion state
1798: CharUpperBuffA((LPSTR)c, 4); // (workaround for MBCS codepage)
1799: c[0] = 0x80 + i;
1800: DWORD rc = CharUpperBuffA((LPSTR)c, 1);
1801: mem[UPPERTABLE_TOP + 2 + i] = (rc == 1 && c[0]) ? c[0] : 0x80 + i;
1802: }
1803: }
1804:
1.1.1.23 root 1805: // lowercase table (func 6503h)
1806: void msdos_lower_table_update()
1807: {
1808: *(UINT16 *)(mem + LOWERTABLE_TOP) = 0x80;
1809: for(unsigned i = 0; i < 0x80; ++i) {
1810: UINT8 c[4];
1811: *(UINT32 *)c = 0; // reset internal conversion state
1812: CharLowerBuffA((LPSTR)c, 4); // (workaround for MBCS codepage)
1813: c[0] = 0x80 + i;
1814: DWORD rc = CharLowerBuffA((LPSTR)c, 1);
1815: mem[LOWERTABLE_TOP + 2 + i] = (rc == 1 && c[0]) ? c[0] : 0x80 + i;
1816: }
1817: }
1818:
1.1.1.17 root 1819: // filename uppercase table (func 6504h)
1820: void msdos_filename_upper_table_init()
1821: {
1822: // depended on (file)system, not on active codepage
1823: // temporary solution: just filling data
1824: *(UINT16 *)(mem + FILENAME_UPPERTABLE_TOP) = 0x80;
1.1.1.22 root 1825: for(unsigned i = 0; i < 0x80; ++i) {
1.1.1.17 root 1826: mem[FILENAME_UPPERTABLE_TOP + 2 + i] = 0x80 + i;
1827: }
1828: }
1829:
1830: // filaname terminator table (func 6505h)
1831: void msdos_filename_terminator_table_init()
1832: {
1833: const char illegal_chars[] = ".\"/\\[]:|<>+=;,"; // for standard MS-DOS fs.
1834: UINT8 *data = mem + FILENAME_TERMINATOR_TOP;
1835:
1836: data[2] = 1; // marker? (permissible character value)
1837: data[3] = 0x00; // 00h...FFh
1838: data[4] = 0xff;
1839: data[5] = 0; // marker? (excluded character)
1840: data[6] = 0x00; // 00h...20h
1841: data[7] = 0x20;
1842: data[8] = 2; // marker? (illegal characters for filename)
1843: data[9] = (UINT8)strlen(illegal_chars);
1844: memcpy(data + 10, illegal_chars, data[9]);
1845:
1846: // total length
1847: *(UINT16 *)data = (10 - 2) + data[9];
1848: }
1849:
1850: // collating table (func 6506h)
1851: void msdos_collating_table_update()
1852: {
1853: // temporary solution: just filling data
1854: *(UINT16 *)(mem + COLLATING_TABLE_TOP) = 0x100;
1.1.1.22 root 1855: for(unsigned i = 0; i < 256; ++i) {
1.1.1.17 root 1856: mem[COLLATING_TABLE_TOP + 2 + i] = i;
1857: }
1858: }
1859:
1.1 root 1860: // dbcs
1861:
1862: void msdos_dbcs_table_update()
1863: {
1864: UINT8 dbcs_data[DBCS_SIZE];
1865: memset(dbcs_data, 0, sizeof(dbcs_data));
1866:
1867: CPINFO info;
1868: GetCPInfo(active_code_page, &info);
1869:
1870: if(info.MaxCharSize != 1) {
1871: for(int i = 0;; i += 2) {
1872: UINT8 lo = info.LeadByte[i + 0];
1873: UINT8 hi = info.LeadByte[i + 1];
1874: dbcs_data[2 + i + 0] = lo;
1875: dbcs_data[2 + i + 1] = hi;
1876: if(lo == 0 && hi == 0) {
1877: dbcs_data[0] = i + 2;
1878: break;
1879: }
1880: }
1881: } else {
1882: dbcs_data[0] = 2; // ???
1883: }
1884: memcpy(mem + DBCS_TOP, dbcs_data, sizeof(dbcs_data));
1885: }
1886:
1.1.1.17 root 1887: void msdos_dbcs_table_finish()
1888: {
1889: if(active_code_page != system_code_page) {
1890: _setmbcp(system_code_page);
1891: }
1892: }
1893:
1894: void msdos_nls_tables_init()
1.1 root 1895: {
1896: system_code_page = active_code_page = _getmbcp();
1.1.1.17 root 1897: msdos_upper_table_update();
1.1.1.23 root 1898: msdos_lower_table_update();
1.1.1.17 root 1899: msdos_filename_terminator_table_init();
1900: msdos_filename_upper_table_init();
1901: msdos_collating_table_update();
1.1 root 1902: msdos_dbcs_table_update();
1903: }
1904:
1.1.1.17 root 1905: void msdos_nls_tables_update()
1.1 root 1906: {
1.1.1.17 root 1907: msdos_dbcs_table_update();
1908: msdos_upper_table_update();
1.1.1.23 root 1909: msdos_lower_table_update();
1910: // msdos_collating_table_update();
1.1 root 1911: }
1912:
1913: int msdos_lead_byte_check(UINT8 code)
1914: {
1915: UINT8 *dbcs_table = mem + DBCS_TABLE;
1916:
1917: for(int i = 0;; i += 2) {
1918: UINT8 lo = dbcs_table[i + 0];
1919: UINT8 hi = dbcs_table[i + 1];
1920: if(lo == 0 && hi == 0) {
1921: break;
1922: }
1923: if(lo <= code && code <= hi) {
1924: return(1);
1925: }
1926: }
1927: return(0);
1928: }
1929:
1.1.1.20 root 1930: int msdos_ctrl_code_check(UINT8 code)
1931: {
1.1.1.22 root 1932: return (code >= 0x01 && code <= 0x1a && code != 0x07 && code != 0x08 && code != 0x09 && code != 0x0a && code != 0x0d);
1.1.1.20 root 1933: }
1934:
1.1 root 1935: // file control
1936:
1.1.1.14 root 1937: char *msdos_remove_double_quote(char *path)
1938: {
1939: static char tmp[MAX_PATH];
1940:
1941: memset(tmp, 0, sizeof(tmp));
1942: if(strlen(path) >= 2 && path[0] == '"' && path[strlen(path) - 1] == '"') {
1943: memcpy(tmp, path + 1, strlen(path) - 2);
1944: } else {
1945: strcpy(tmp, path);
1946: }
1947: return(tmp);
1948: }
1949:
1950: char *msdos_combine_path(char *dir, const char *file)
1951: {
1952: static char tmp[MAX_PATH];
1953: char *tmp_dir = msdos_remove_double_quote(dir);
1954:
1955: if(strlen(tmp_dir) == 0) {
1956: strcpy(tmp, file);
1957: } else if(tmp_dir[strlen(tmp_dir) - 1] == '\\') {
1958: sprintf(tmp, "%s%s", tmp_dir, file);
1959: } else {
1960: sprintf(tmp, "%s\\%s", tmp_dir, file);
1961: }
1962: return(tmp);
1963: }
1964:
1.1 root 1965: char *msdos_trimmed_path(char *path, int lfn)
1966: {
1967: static char tmp[MAX_PATH];
1968:
1969: if(lfn) {
1970: strcpy(tmp, path);
1971: } else {
1972: // remove space in the path
1973: char *src = path, *dst = tmp;
1974:
1975: while(*src != '\0') {
1976: if(msdos_lead_byte_check(*src)) {
1977: *dst++ = *src++;
1978: *dst++ = *src++;
1979: } else if(*src != ' ') {
1980: *dst++ = *src++;
1981: } else {
1982: src++; // skip space
1983: }
1984: }
1985: *dst = '\0';
1986: }
1.1.1.14 root 1987: if(_stricmp(tmp, "C:\\COMMAND.COM") == 0) {
1988: // redirect C:\COMMAND.COM to comspec_path
1989: strcpy(tmp, comspec_path);
1990: } else if(is_vista_or_later && _access(tmp, 0) != 0) {
1991: // redirect new files (without wildcards) in C:\ to %TEMP%, since C:\ is not usually writable
1992: static int root_drive_protected = -1;
1993: char temp[MAX_PATH], name[MAX_PATH], *name_temp = NULL;
1994: dos_info_t *dos_info = (dos_info_t *)(mem + DOS_INFO_TOP);
1995:
1996: if(GetFullPathName(tmp, MAX_PATH, temp, &name_temp) != 0 &&
1997: name_temp != NULL && strstr(name_temp, "?") == NULL && strstr(name_temp, "*") == NULL) {
1998: strcpy(name, name_temp);
1999: name_temp[0] = '\0';
2000:
2001: if((temp[0] == 'A' + dos_info->boot_drive - 1 || temp[0] == 'a' + dos_info->boot_drive - 1) &&
2002: (temp[1] == ':') && (temp[2] == '\\' || temp[2] == '/') && (temp[3] == '\0')) {
2003: if(root_drive_protected == -1) {
2004: FILE *fp = NULL;
2005:
2006: sprintf(temp, "%c:\\MS-DOS_Player.$$$", 'A' + dos_info->boot_drive - 1);
2007: root_drive_protected = 1;
2008: try {
2009: if((fp = fopen(temp, "w")) != NULL) {
2010: if(fprintf(fp, "TEST") == 4) {
2011: root_drive_protected = 0;
2012: }
2013: }
2014: } catch(...) {
2015: }
2016: if(fp != NULL) {
2017: fclose(fp);
2018: }
2019: if(_access(temp, 0) == 0) {
2020: remove(temp);
2021: }
2022: }
2023: if(root_drive_protected == 1) {
2024: if(GetEnvironmentVariable("TEMP", temp, MAX_PATH) != 0 ||
2025: GetEnvironmentVariable("TMP", temp, MAX_PATH) != 0) {
2026: strcpy(tmp, msdos_combine_path(temp, name));
2027: }
2028: }
2029: }
2030: }
2031: }
1.1 root 2032: return(tmp);
2033: }
2034:
1.1.1.28 root 2035: char *msdos_get_multiple_short_path(char *src)
2036: {
2037: // LONGPATH;LONGPATH;LONGPATH to SHORTPATH;SHORTPATH;SHORTPATH
2038: static char env_path[ENV_SIZE];
2039: char tmp[ENV_SIZE], *token;
2040:
2041: memset(env_path, 0, sizeof(env_path));
2042: strcpy(tmp, src);
2043: token = my_strtok(tmp, ";");
2044:
2045: while(token != NULL) {
2046: if(token[0] != '\0') {
2047: char *path = msdos_remove_double_quote(token), short_path[MAX_PATH];
2048: if(strlen(path) != 0) {
2049: if(GetShortPathName(path, short_path, MAX_PATH) == 0) {
2050: strcat(env_path, path);
2051: } else {
2052: my_strupr(short_path);
2053: strcat(env_path, short_path);
2054: }
2055: strcat(env_path, ";");
2056: }
2057: }
2058: token = my_strtok(NULL, ";");
2059: }
2060: int len = strlen(env_path);
2061: if(len != 0 && env_path[len - 1] == ';') {
2062: env_path[len - 1] = '\0';
2063: }
2064: return(env_path);
2065: }
2066:
1.1 root 2067: bool match(char *text, char *pattern)
2068: {
1.1.1.24 root 2069: // http://www.prefield.com/algorithm/string/wildcard.html
1.1.1.14 root 2070: switch(*pattern) {
1.1 root 2071: case '\0':
2072: return !*text;
2073: case '*':
1.1.1.14 root 2074: return match(text, pattern + 1) || (*text && match(text + 1, pattern));
1.1 root 2075: case '?':
2076: return *text && match(text + 1, pattern + 1);
2077: default:
2078: return (*text == *pattern) && match(text + 1, pattern + 1);
2079: }
2080: }
2081:
2082: bool msdos_match_volume_label(char *path, char *volume)
2083: {
2084: char *p;
2085:
1.1.1.14 root 2086: if(!*volume) {
2087: return false;
2088: } else if((p = my_strchr(path, ':')) != NULL) {
1.1 root 2089: return msdos_match_volume_label(p + 1, volume);
2090: } else if((p = my_strchr(path, '\\')) != NULL) {
2091: return msdos_match_volume_label(p + 1, volume);
2092: } else if((p = my_strchr(path, '.')) != NULL) {
1.1.1.14 root 2093: char tmp[MAX_PATH];
2094: sprintf(tmp, "%.*s%s", (int)(p - path), path, p + 1);
2095: return match(volume, tmp);
1.1 root 2096: } else {
2097: return match(volume, path);
2098: }
2099: }
2100:
2101: char *msdos_fcb_path(fcb_t *fcb)
2102: {
2103: static char tmp[MAX_PATH];
2104: char name[9], ext[4];
2105:
2106: memset(name, 0, sizeof(name));
2107: memcpy(name, fcb->file_name, 8);
2108: strcpy(name, msdos_trimmed_path(name, 0));
2109:
2110: memset(ext, 0, sizeof(ext));
2111: memcpy(ext, fcb->file_name + 8, 3);
2112: strcpy(ext, msdos_trimmed_path(ext, 0));
2113:
2114: if(name[0] == '\0' || strcmp(name, "????????") == 0) {
2115: strcpy(name, "*");
2116: }
2117: if(ext[0] == '\0') {
2118: strcpy(tmp, name);
2119: } else {
2120: if(strcmp(ext, "???") == 0) {
2121: strcpy(ext, "*");
2122: }
2123: sprintf(tmp, "%s.%s", name, ext);
2124: }
2125: return(tmp);
2126: }
2127:
2128: void msdos_set_fcb_path(fcb_t *fcb, char *path)
2129: {
2130: char *ext = my_strchr(path, '.');
2131:
2132: memset(fcb->file_name, 0x20, 8 + 3);
2133: if(ext != NULL && path[0] != '.') {
2134: *ext = '\0';
2135: memcpy(fcb->file_name + 8, ext + 1, strlen(ext + 1));
2136: }
2137: memcpy(fcb->file_name, path, strlen(path));
2138: }
2139:
2140: char *msdos_short_path(char *path)
2141: {
2142: static char tmp[MAX_PATH];
2143:
1.1.1.24 root 2144: if(GetShortPathName(path, tmp, MAX_PATH) == 0) {
2145: strcpy(tmp, path);
2146: }
1.1 root 2147: my_strupr(tmp);
2148: return(tmp);
2149: }
2150:
1.1.1.13 root 2151: char *msdos_short_name(WIN32_FIND_DATA *fd)
2152: {
2153: static char tmp[MAX_PATH];
2154:
1.1.1.14 root 2155: if(fd->cAlternateFileName[0]) {
1.1.1.13 root 2156: strcpy(tmp, fd->cAlternateFileName);
2157: } else {
2158: strcpy(tmp, fd->cFileName);
2159: }
2160: my_strupr(tmp);
2161: return(tmp);
2162: }
2163:
1.1 root 2164: char *msdos_short_full_path(char *path)
2165: {
2166: static char tmp[MAX_PATH];
2167: char full[MAX_PATH], *name;
2168:
1.1.1.14 root 2169: // Full works with non-existent files, but Short does not
1.1 root 2170: GetFullPathName(path, MAX_PATH, full, &name);
1.1.1.14 root 2171: *tmp = '\0';
2172: if(GetShortPathName(full, tmp, MAX_PATH) == 0 && name > path) {
2173: name[-1] = '\0';
2174: DWORD len = GetShortPathName(full, tmp, MAX_PATH);
2175: if(len == 0) {
2176: strcpy(tmp, full);
2177: } else {
2178: tmp[len++] = '\\';
2179: strcpy(tmp + len, name);
2180: }
2181: }
1.1 root 2182: my_strupr(tmp);
2183: return(tmp);
2184: }
2185:
2186: char *msdos_short_full_dir(char *path)
2187: {
2188: static char tmp[MAX_PATH];
2189: char full[MAX_PATH], *name;
2190:
2191: GetFullPathName(path, MAX_PATH, full, &name);
2192: name[-1] = '\0';
1.1.1.24 root 2193: if(GetShortPathName(full, tmp, MAX_PATH) == 0) {
2194: strcpy(tmp, full);
2195: }
1.1 root 2196: my_strupr(tmp);
2197: return(tmp);
2198: }
2199:
2200: char *msdos_local_file_path(char *path, int lfn)
2201: {
2202: char *trimmed = msdos_trimmed_path(path, lfn);
1.1.1.14 root 2203: #if 0
2204: // I have forgotten the reason of this routine... :-(
1.1 root 2205: if(_access(trimmed, 0) != 0) {
2206: process_t *process = msdos_process_info_get(current_psp);
2207: static char tmp[MAX_PATH];
2208:
2209: sprintf(tmp, "%s\\%s", process->module_dir, trimmed);
2210: if(_access(tmp, 0) == 0) {
2211: return(tmp);
2212: }
2213: }
1.1.1.14 root 2214: #endif
1.1 root 2215: return(trimmed);
2216: }
2217:
1.1.1.29 root 2218: bool msdos_is_device_path(char *path)
1.1.1.11 root 2219: {
2220: char full[MAX_PATH], *name;
2221:
1.1.1.24 root 2222: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
1.1.1.29 root 2223: if(_stricmp(full, "\\\\.\\AUX" ) == 0 ||
2224: _stricmp(full, "\\\\.\\CON" ) == 0 ||
2225: _stricmp(full, "\\\\.\\NUL" ) == 0 ||
2226: _stricmp(full, "\\\\.\\PRN" ) == 0 ||
2227: _stricmp(full, "\\\\.\\COM1") == 0 ||
2228: _stricmp(full, "\\\\.\\COM2") == 0 ||
2229: _stricmp(full, "\\\\.\\COM3") == 0 ||
2230: _stricmp(full, "\\\\.\\COM4") == 0 ||
2231: _stricmp(full, "\\\\.\\COM5") == 0 ||
2232: _stricmp(full, "\\\\.\\COM6") == 0 ||
2233: _stricmp(full, "\\\\.\\COM7") == 0 ||
2234: _stricmp(full, "\\\\.\\COM8") == 0 ||
2235: _stricmp(full, "\\\\.\\COM9") == 0 ||
2236: _stricmp(full, "\\\\.\\LPT1") == 0 ||
2237: _stricmp(full, "\\\\.\\LPT2") == 0 ||
2238: _stricmp(full, "\\\\.\\LPT3") == 0 ||
2239: _stricmp(full, "\\\\.\\LPT4") == 0 ||
2240: _stricmp(full, "\\\\.\\LPT5") == 0 ||
2241: _stricmp(full, "\\\\.\\LPT6") == 0 ||
2242: _stricmp(full, "\\\\.\\LPT7") == 0 ||
2243: _stricmp(full, "\\\\.\\LPT8") == 0 ||
2244: _stricmp(full, "\\\\.\\LPT9") == 0) {
2245: return(true);
2246: } else if(name != NULL) {
2247: if(_stricmp(name, "CLOCK$" ) == 0 ||
2248: _stricmp(name, "CONFIG$" ) == 0 ||
1.1.1.30! root 2249: _stricmp(name, "EMMXXXX0") == 0 ||
! 2250: _stricmp(name, "$IBMAIAS") == 0) {
1.1.1.29 root 2251: return(true);
2252: }
2253: }
1.1.1.24 root 2254: }
2255: return(false);
1.1.1.11 root 2256: }
2257:
1.1.1.29 root 2258: bool msdos_is_con_path(char *path)
1.1.1.8 root 2259: {
1.1.1.14 root 2260: char full[MAX_PATH], *name;
1.1.1.8 root 2261:
1.1.1.24 root 2262: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
1.1.1.29 root 2263: return(_stricmp(full, "\\\\.\\CON") == 0);
1.1.1.24 root 2264: }
2265: return(false);
2266: }
2267:
1.1.1.29 root 2268: int msdos_is_comm_path(char *path)
1.1.1.24 root 2269: {
2270: char full[MAX_PATH], *name;
2271:
2272: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
1.1.1.29 root 2273: if(_stricmp(full, "\\\\.\\COM1") == 0) {
2274: return(1);
2275: } else if(_stricmp(full, "\\\\.\\COM2") == 0) {
2276: return(2);
2277: } else if(_stricmp(full, "\\\\.\\COM3") == 0) {
2278: return(3);
2279: } else if(_stricmp(full, "\\\\.\\COM4") == 0) {
2280: return(4);
1.1.1.24 root 2281: }
2282: }
1.1.1.29 root 2283: return(0);
2284: }
2285:
1.1.1.30! root 2286: int msdos_is_prn_path(char *path)
! 2287: {
! 2288: char full[MAX_PATH], *name;
! 2289:
! 2290: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
! 2291: if(_stricmp(full, "\\\\.\\PRN") == 0) {
! 2292: return(1);
! 2293: } else if(_stricmp(full, "\\\\.\\LPT1") == 0) {
! 2294: return(1);
! 2295: } else if(_stricmp(full, "\\\\.\\LPT2") == 0) {
! 2296: return(2);
! 2297: } else if(_stricmp(full, "\\\\.\\LPT3") == 0) {
! 2298: return(3);
! 2299: }
! 2300: }
! 2301: return(0);
! 2302: }
! 2303:
1.1.1.29 root 2304: char *msdos_create_comm_path(char *path, int port)
2305: {
2306: static char tmp[MAX_PATH];
2307: char *p = NULL;
2308:
2309: sprintf(tmp, "COM%d", port);
2310: if((p = strchr(path, ':')) != NULL) {
2311: strcat(tmp, p);
2312: }
2313: return(tmp);
1.1.1.24 root 2314: }
2315:
2316: bool msdos_is_existing_file(char *path)
2317: {
2318: // http://d.hatena.ne.jp/yu-hr/20100317/1268826458
2319: WIN32_FIND_DATA FindData;
2320: HANDLE hFind;
2321:
2322: if((hFind = FindFirstFile(path, &FindData)) != INVALID_HANDLE_VALUE) {
2323: FindClose(hFind);
2324: return(!(FindData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY));
2325: }
2326: return(false);
1.1.1.8 root 2327: }
2328:
1.1.1.9 root 2329: char *msdos_search_command_com(char *command_path, char *env_path)
2330: {
2331: static char tmp[MAX_PATH];
1.1.1.28 root 2332: char path[ENV_SIZE], *file_name;
1.1.1.9 root 2333:
1.1.1.28 root 2334: // check if COMMAND.COM is in the same directory as the target program file
1.1.1.9 root 2335: if(GetFullPathName(command_path, MAX_PATH, tmp, &file_name) != 0) {
2336: sprintf(file_name, "COMMAND.COM");
2337: if(_access(tmp, 0) == 0) {
2338: return(tmp);
2339: }
2340: }
1.1.1.28 root 2341:
2342: // check if COMMAND.COM is in the same directory as the running msdos.exe
1.1.1.9 root 2343: if(GetModuleFileName(NULL, path, MAX_PATH) != 0 && GetFullPathName(path, MAX_PATH, tmp, &file_name) != 0) {
2344: sprintf(file_name, "COMMAND.COM");
2345: if(_access(tmp, 0) == 0) {
2346: return(tmp);
2347: }
2348: }
1.1.1.28 root 2349:
2350: // check if COMMAND.COM is in the current directory
1.1.1.9 root 2351: if(GetFullPathName("COMMAND.COM", MAX_PATH, tmp, &file_name) != 0) {
2352: if(_access(tmp, 0) == 0) {
2353: return(tmp);
2354: }
2355: }
1.1.1.28 root 2356:
2357: // cehck if COMMAND.COM is in the directory that is in MSDOS_PATH and PATH environment variables
2358: strcpy(path, env_path);
2359: char *token = my_strtok(path, ";");
1.1.1.9 root 2360: while(token != NULL) {
1.1.1.14 root 2361: if(strlen(token) != 0 && token[0] != '%') {
1.1.1.9 root 2362: strcpy(tmp, msdos_combine_path(token, "COMMAND.COM"));
2363: if(_access(tmp, 0) == 0) {
2364: return(tmp);
2365: }
2366: }
2367: token = my_strtok(NULL, ";");
2368: }
2369: return(NULL);
2370: }
2371:
1.1.1.14 root 2372: int msdos_drive_number(const char *path)
1.1 root 2373: {
2374: char tmp[MAX_PATH], *name;
2375:
2376: GetFullPathName(path, MAX_PATH, tmp, &name);
2377: if(tmp[0] >= 'a' && tmp[0] <= 'z') {
2378: return(tmp[0] - 'a');
2379: } else {
2380: return(tmp[0] - 'A');
2381: }
2382: }
2383:
2384: char *msdos_volume_label(char *path)
2385: {
2386: static char tmp[MAX_PATH];
2387: char volume[] = "A:\\";
2388:
2389: if(path[1] == ':') {
2390: volume[0] = path[0];
2391: } else {
2392: volume[0] = 'A' + _getdrive() - 1;
2393: }
2394: if(!GetVolumeInformation(volume, tmp, MAX_PATH, NULL, NULL, NULL, NULL, 0)) {
2395: memset(tmp, 0, sizeof(tmp));
2396: }
2397: return(tmp);
2398: }
2399:
2400: char *msdos_short_volume_label(char *label)
2401: {
2402: static char tmp[(8 + 1 + 3) + 1];
2403: char *src = label;
2404: int remain = strlen(label);
2405: char *dst_n = tmp;
2406: char *dst_e = tmp + 9;
2407:
2408: strcpy(tmp, " . ");
2409: for(int i = 0; i < 8 && remain > 0; i++) {
2410: if(msdos_lead_byte_check(*src)) {
2411: if(++i == 8) {
2412: break;
2413: }
2414: *dst_n++ = *src++;
2415: remain--;
2416: }
2417: *dst_n++ = *src++;
2418: remain--;
2419: }
2420: if(remain > 0) {
2421: for(int i = 0; i < 3 && remain > 0; i++) {
2422: if(msdos_lead_byte_check(*src)) {
2423: if(++i == 3) {
2424: break;
2425: }
2426: *dst_e++ = *src++;
2427: remain--;
2428: }
2429: *dst_e++ = *src++;
2430: remain--;
2431: }
2432: *dst_e = '\0';
2433: } else {
2434: *dst_n = '\0';
2435: }
2436: my_strupr(tmp);
2437: return(tmp);
2438: }
2439:
1.1.1.13 root 2440: errno_t msdos_maperr(unsigned long oserrno)
2441: {
2442: _doserrno = oserrno;
1.1.1.14 root 2443: switch(oserrno) {
1.1.1.13 root 2444: case ERROR_FILE_NOT_FOUND: // 2
2445: case ERROR_PATH_NOT_FOUND: // 3
2446: case ERROR_INVALID_DRIVE: // 15
2447: case ERROR_NO_MORE_FILES: // 18
2448: case ERROR_BAD_NETPATH: // 53
2449: case ERROR_BAD_NET_NAME: // 67
2450: case ERROR_BAD_PATHNAME: // 161
2451: case ERROR_FILENAME_EXCED_RANGE: // 206
2452: return ENOENT;
2453: case ERROR_TOO_MANY_OPEN_FILES: // 4
2454: return EMFILE;
2455: case ERROR_ACCESS_DENIED: // 5
2456: case ERROR_CURRENT_DIRECTORY: // 16
2457: case ERROR_NETWORK_ACCESS_DENIED: // 65
2458: case ERROR_CANNOT_MAKE: // 82
2459: case ERROR_FAIL_I24: // 83
2460: case ERROR_DRIVE_LOCKED: // 108
2461: case ERROR_SEEK_ON_DEVICE: // 132
2462: case ERROR_NOT_LOCKED: // 158
2463: case ERROR_LOCK_FAILED: // 167
2464: return EACCES;
2465: case ERROR_INVALID_HANDLE: // 6
2466: case ERROR_INVALID_TARGET_HANDLE: // 114
2467: case ERROR_DIRECT_ACCESS_HANDLE: // 130
2468: return EBADF;
2469: case ERROR_ARENA_TRASHED: // 7
2470: case ERROR_NOT_ENOUGH_MEMORY: // 8
2471: case ERROR_INVALID_BLOCK: // 9
2472: case ERROR_NOT_ENOUGH_QUOTA: // 1816
2473: return ENOMEM;
2474: case ERROR_BAD_ENVIRONMENT: // 10
2475: return E2BIG;
2476: case ERROR_BAD_FORMAT: // 11
2477: return ENOEXEC;
2478: case ERROR_NOT_SAME_DEVICE: // 17
2479: return EXDEV;
2480: case ERROR_FILE_EXISTS: // 80
2481: case ERROR_ALREADY_EXISTS: // 183
2482: return EEXIST;
2483: case ERROR_NO_PROC_SLOTS: // 89
2484: case ERROR_MAX_THRDS_REACHED: // 164
2485: case ERROR_NESTING_NOT_ALLOWED: // 215
2486: return EAGAIN;
2487: case ERROR_BROKEN_PIPE: // 109
2488: return EPIPE;
2489: case ERROR_DISK_FULL: // 112
2490: return ENOSPC;
2491: case ERROR_WAIT_NO_CHILDREN: // 128
2492: case ERROR_CHILD_NOT_COMPLETE: // 129
2493: return ECHILD;
2494: case ERROR_DIR_NOT_EMPTY: // 145
2495: return ENOTEMPTY;
2496: }
1.1.1.14 root 2497: if(oserrno >= ERROR_WRITE_PROTECT /* 19 */ &&
1.1.1.13 root 2498: oserrno <= ERROR_SHARING_BUFFER_EXCEEDED /* 36 */) {
2499: return EACCES;
2500: }
1.1.1.14 root 2501: if(oserrno >= ERROR_INVALID_STARTING_CODESEG /* 188 */ &&
1.1.1.13 root 2502: oserrno <= ERROR_INFLOOP_IN_RELOC_CHAIN /* 202 */) {
2503: return ENOEXEC;
2504: }
2505: return EINVAL;
2506: }
2507:
2508: int msdos_open(const char *filename, int oflag)
2509: {
1.1.1.14 root 2510: if((oflag & (_O_RDONLY | _O_WRONLY | _O_RDWR)) != _O_RDONLY) {
1.1.1.13 root 2511: return _open(filename, oflag);
2512: }
1.1.1.14 root 2513:
2514: SECURITY_ATTRIBUTES sa = { sizeof(SECURITY_ATTRIBUTES), NULL, !(oflag & _O_NOINHERIT) };
1.1.1.13 root 2515: DWORD disposition;
1.1.1.14 root 2516: switch(oflag & (_O_CREAT | _O_EXCL | _O_TRUNC)) {
2517: default:
1.1.1.13 root 2518: case _O_EXCL:
2519: disposition = OPEN_EXISTING;
2520: break;
2521: case _O_CREAT:
2522: disposition = OPEN_ALWAYS;
2523: break;
2524: case _O_CREAT | _O_EXCL:
2525: case _O_CREAT | _O_TRUNC | _O_EXCL:
2526: disposition = CREATE_NEW;
2527: break;
2528: case _O_TRUNC:
2529: case _O_TRUNC | _O_EXCL:
2530: disposition = TRUNCATE_EXISTING;
2531: break;
2532: case _O_CREAT | _O_TRUNC:
2533: disposition = CREATE_ALWAYS;
2534: break;
2535: }
1.1.1.14 root 2536:
1.1.1.13 root 2537: HANDLE h = CreateFile(filename, GENERIC_READ | FILE_WRITE_ATTRIBUTES,
2538: FILE_SHARE_READ | FILE_SHARE_WRITE, &sa, disposition,
2539: FILE_ATTRIBUTE_NORMAL, NULL);
1.1.1.14 root 2540: if(h == INVALID_HANDLE_VALUE) {
1.1.1.13 root 2541: // FILE_WRITE_ATTRIBUTES may not be granted for standard users.
2542: // Retry without FILE_WRITE_ATTRIBUTES.
2543: h = CreateFile(filename, GENERIC_READ,
2544: FILE_SHARE_READ | FILE_SHARE_WRITE, &sa, disposition,
2545: FILE_ATTRIBUTE_NORMAL, NULL);
1.1.1.14 root 2546: if(h == INVALID_HANDLE_VALUE) {
1.1.1.13 root 2547: errno = msdos_maperr(GetLastError());
2548: return -1;
2549: }
2550: }
1.1.1.14 root 2551:
1.1.1.13 root 2552: int fd = _open_osfhandle((intptr_t) h, oflag);
1.1.1.14 root 2553: if(fd == -1) {
1.1.1.13 root 2554: CloseHandle(h);
2555: }
2556: return fd;
2557: }
2558:
1.1.1.14 root 2559: void msdos_file_handler_open(int fd, const char *path, int atty, int mode, UINT16 info, UINT16 psp_seg)
1.1 root 2560: {
2561: static int id = 0;
2562: char full[MAX_PATH], *name;
2563:
2564: if(GetFullPathName(path, MAX_PATH, full, &name) != 0) {
2565: strcpy(file_handler[fd].path, full);
2566: } else {
2567: strcpy(file_handler[fd].path, path);
2568: }
1.1.1.14 root 2569: // isatty makes no distinction between CON & NUL
2570: // GetFileSize fails on CON, succeeds on NUL
2571: if(atty && (info != 0x80d3 || GetFileSize((HANDLE)_get_osfhandle(fd), NULL) == 0)) {
2572: info = 0x8084;
2573: atty = 0;
2574: } else if(!atty && info == 0x80d3) {
2575: info = msdos_drive_number(".");
2576: }
1.1 root 2577: file_handler[fd].valid = 1;
2578: file_handler[fd].id = id++; // dummy id for int 21h ax=71a6h
2579: file_handler[fd].atty = atty;
2580: file_handler[fd].mode = mode;
2581: file_handler[fd].info = info;
2582: file_handler[fd].psp = psp_seg;
1.1.1.21 root 2583:
2584: // init system file table
2585: if(fd < 20) {
2586: UINT8 *sft = mem + SFT_TOP + 6 + 0x3b * fd;
2587:
2588: memset(sft, 0, 0x3b);
2589:
2590: *(UINT16 *)(sft + 0x00) = 1;
2591: *(UINT16 *)(sft + 0x02) = file_handler[fd].mode;
2592: *(UINT8 *)(sft + 0x04) = GetFileAttributes(file_handler[fd].path) & 0xff;
2593: *(UINT16 *)(sft + 0x05) = file_handler[fd].info & 0xff;
2594:
2595: if(!(file_handler[fd].info & 0x80)) {
2596: *(UINT16 *)(sft + 0x07) = sizeof(dpb_t) * (file_handler[fd].info & 0x1f);
2597: *(UINT16 *)(sft + 0x09) = DPB_TOP >> 4;
2598:
2599: FILETIME time, local;
2600: HANDLE hHandle;
2601: WORD dos_date = 0, dos_time = 0;
2602: DWORD file_size = 0;
2603: if((hHandle = (HANDLE)_get_osfhandle(fd)) != INVALID_HANDLE_VALUE) {
2604: if(GetFileTime(hHandle, NULL, NULL, &time)) {
2605: FileTimeToLocalFileTime(&time, &local);
2606: FileTimeToDosDateTime(&local, &dos_date, &dos_time);
2607: }
2608: file_size = GetFileSize(hHandle, NULL);
2609: }
2610: *(UINT16 *)(sft + 0x0d) = dos_time;
2611: *(UINT16 *)(sft + 0x0f) = dos_date;
2612: *(UINT32 *)(sft + 0x11) = file_size;
2613: }
2614:
2615: char fname[MAX_PATH] = {0}, ext[MAX_PATH] = {0};
2616: _splitpath(file_handler[fd].path, NULL, NULL, fname, ext);
2617: my_strupr(fname);
2618: my_strupr(ext);
2619: memset(sft + 0x20, 0x20, 11);
2620: memcpy(sft + 0x20, fname, min(strlen(fname), 8));
2621: memcpy(sft + 0x28, ext + 1, min(strlen(ext + 1), 3));
2622:
2623: *(UINT16 *)(sft + 0x31) = psp_seg;
2624: }
1.1 root 2625: }
2626:
2627: void msdos_file_handler_dup(int dst, int src, UINT16 psp_seg)
2628: {
2629: strcpy(file_handler[dst].path, file_handler[src].path);
2630: file_handler[dst].valid = 1;
2631: file_handler[dst].id = file_handler[src].id;
2632: file_handler[dst].atty = file_handler[src].atty;
2633: file_handler[dst].mode = file_handler[src].mode;
2634: file_handler[dst].info = file_handler[src].info;
2635: file_handler[dst].psp = psp_seg;
2636: }
2637:
1.1.1.20 root 2638: void msdos_file_handler_close(int fd)
1.1 root 2639: {
2640: file_handler[fd].valid = 0;
1.1.1.21 root 2641:
2642: if(fd < 20) {
2643: memset(mem + SFT_TOP + 6 + 0x3b * fd, 0, 0x3b);
2644: }
1.1 root 2645: }
2646:
1.1.1.14 root 2647: inline int msdos_file_attribute_create(UINT16 new_attr)
1.1 root 2648: {
1.1.1.14 root 2649: return(new_attr & (FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_HIDDEN |
2650: FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_ARCHIVE |
2651: FILE_ATTRIBUTE_DIRECTORY));
1.1 root 2652: }
2653:
2654: // find file
2655:
2656: int msdos_find_file_check_attribute(int attribute, int allowed_mask, int required_mask)
2657: {
2658: if((allowed_mask & 0x08) && !(attribute & FILE_ATTRIBUTE_DIRECTORY)) {
2659: return(0); // search directory only !!!
2660: } else if(!(allowed_mask & 0x02) && (attribute & FILE_ATTRIBUTE_HIDDEN)) {
2661: return(0);
2662: } else if(!(allowed_mask & 0x04) && (attribute & FILE_ATTRIBUTE_SYSTEM)) {
2663: return(0);
2664: } else if(!(allowed_mask & 0x10) && (attribute & FILE_ATTRIBUTE_DIRECTORY)) {
2665: return(0);
2666: } else if((attribute & required_mask) != required_mask) {
2667: return(0);
2668: } else {
2669: return(1);
2670: }
2671: }
2672:
1.1.1.13 root 2673: int msdos_find_file_has_8dot3name(WIN32_FIND_DATA *fd)
2674: {
1.1.1.14 root 2675: if(fd->cAlternateFileName[0]) {
1.1.1.13 root 2676: return 1;
2677: }
2678: size_t len = strlen(fd->cFileName);
1.1.1.14 root 2679: if(len > 12) {
1.1.1.13 root 2680: return 0;
2681: }
2682: const char *ext = strrchr(fd->cFileName, '.');
1.1.1.14 root 2683: if((ext ? ext - fd->cFileName : len) > 8) {
1.1.1.13 root 2684: return 0;
2685: }
2686: return 1;
2687: }
2688:
1.1 root 2689: void msdos_find_file_conv_local_time(WIN32_FIND_DATA *fd)
2690: {
2691: FILETIME local;
2692:
2693: FileTimeToLocalFileTime(&fd->ftCreationTime, &local);
2694: fd->ftCreationTime.dwLowDateTime = local.dwLowDateTime;
2695: fd->ftCreationTime.dwHighDateTime = local.dwHighDateTime;
2696:
2697: FileTimeToLocalFileTime(&fd->ftLastAccessTime, &local);
2698: fd->ftLastAccessTime.dwLowDateTime = local.dwLowDateTime;
2699: fd->ftLastAccessTime.dwHighDateTime = local.dwHighDateTime;
2700:
2701: FileTimeToLocalFileTime(&fd->ftLastWriteTime, &local);
2702: fd->ftLastWriteTime.dwLowDateTime = local.dwLowDateTime;
2703: fd->ftLastWriteTime.dwHighDateTime = local.dwHighDateTime;
2704: }
2705:
2706: // i/o
2707:
2708: void msdos_stdio_reopen()
2709: {
2710: if(!file_handler[0].valid) {
2711: _dup2(DUP_STDIN, 0);
2712: msdos_file_handler_open(0, "STDIN", _isatty(0), 0, 0x80d3, 0);
2713: }
2714: if(!file_handler[1].valid) {
2715: _dup2(DUP_STDOUT, 1);
2716: msdos_file_handler_open(1, "STDOUT", _isatty(1), 1, 0x80d3, 0);
2717: }
2718: if(!file_handler[2].valid) {
2719: _dup2(DUP_STDERR, 2);
2720: msdos_file_handler_open(2, "STDERR", _isatty(2), 1, 0x80d3, 0);
2721: }
1.1.1.21 root 2722: if(!file_handler[3].valid) {
2723: _dup2(DUP_STDAUX, 3);
2724: msdos_file_handler_open(3, "STDAUX", 0, 2, 0x80c0, 0);
2725: }
2726: if(!file_handler[4].valid) {
2727: _dup2(DUP_STDPRN, 4);
2728: msdos_file_handler_open(4, "STDPRN", 0, 1, 0xa8c0, 0);
2729: }
2730: for(int i = 0; i < 5; i++) {
2731: if(msdos_psp_get_file_table(i, current_psp) == 0xff) {
2732: msdos_psp_set_file_table(i, i, current_psp);
2733: }
2734: }
1.1 root 2735: }
2736:
2737: int msdos_kbhit()
2738: {
2739: msdos_stdio_reopen();
2740:
1.1.1.20 root 2741: process_t *process = msdos_process_info_get(current_psp);
2742: int fd = msdos_psp_get_file_table(0, current_psp);
2743:
2744: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 2745: // stdin is redirected to file
1.1.1.20 root 2746: return(eof(fd) == 0);
1.1 root 2747: }
2748:
2749: // check keyboard status
1.1.1.5 root 2750: if(key_buf_char->count() != 0 || key_code != 0) {
1.1 root 2751: return(1);
2752: } else {
2753: return(_kbhit());
2754: }
2755: }
2756:
2757: int msdos_getch_ex(int echo)
2758: {
2759: static char prev = 0;
2760:
2761: msdos_stdio_reopen();
2762:
1.1.1.20 root 2763: process_t *process = msdos_process_info_get(current_psp);
2764: int fd = msdos_psp_get_file_table(0, current_psp);
2765:
2766: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 2767: // stdin is redirected to file
2768: retry:
2769: char data;
1.1.1.20 root 2770: if(_read(fd, &data, 1) == 1) {
1.1 root 2771: char tmp = data;
2772: if(data == 0x0a) {
2773: if(prev == 0x0d) {
2774: goto retry; // CRLF -> skip LF
2775: } else {
2776: data = 0x0d; // LF only -> CR
2777: }
2778: }
2779: prev = tmp;
2780: return(data);
2781: }
2782: return(EOF);
2783: }
2784:
2785: // input from console
1.1.1.5 root 2786: int key_char, key_scan;
2787: if(key_code != 0) {
2788: key_char = (key_code >> 0) & 0xff;
2789: key_scan = (key_code >> 8) & 0xff;
2790: key_code >>= 16;
2791: } else {
1.1.1.26 root 2792: while(key_buf_char->count() == 0 && !m_halted && !ctrl_c_pressed) {
1.1.1.23 root 2793: if(!(fd < process->max_files && file_handler[fd].valid && file_handler[fd].atty && file_mode[file_handler[fd].mode].in)) {
2794: // NOTE: stdin is redirected to stderr when we do "type (file) | more" on freedos's command.com
2795: if(_kbhit()) {
2796: key_buf_char->write(_getch());
2797: key_buf_scan->write(0);
2798: } else {
2799: Sleep(10);
2800: }
2801: } else {
2802: if(!update_key_buffer()) {
2803: Sleep(10);
2804: }
1.1.1.14 root 2805: }
2806: }
2807: if(m_halted) {
1.1.1.26 root 2808: // ctrl-break pressed - insert CR to terminate input loops
1.1.1.14 root 2809: key_char = 0x0d;
2810: key_scan = 0;
1.1.1.26 root 2811: } else if(ctrl_c_pressed) {
2812: // ctrl-c pressed
2813: key_char = 0x03;
2814: key_scan = 0;
1.1.1.14 root 2815: } else {
2816: key_char = key_buf_char->read();
2817: key_scan = key_buf_scan->read();
1.1.1.5 root 2818: }
1.1 root 2819: }
2820: if(echo && key_char) {
2821: msdos_putch(key_char);
2822: }
2823: return key_char ? key_char : (key_scan != 0xe0) ? key_scan : 0;
2824: }
2825:
2826: inline int msdos_getch()
2827: {
2828: return(msdos_getch_ex(0));
2829: }
2830:
2831: inline int msdos_getche()
2832: {
2833: return(msdos_getch_ex(1));
2834: }
2835:
2836: int msdos_write(int fd, const void *buffer, unsigned int count)
2837: {
2838: static int is_cr = 0;
2839:
2840: if(fd == 1 && !file_handler[1].atty) {
2841: // CR+LF -> LF
2842: UINT8 *buf = (UINT8 *)buffer;
2843: for(unsigned int i = 0; i < count; i++) {
2844: UINT8 data = buf[i];
2845: if(is_cr) {
2846: if(data != 0x0a) {
2847: UINT8 tmp = 0x0d;
2848: _write(1, &tmp, 1);
2849: }
2850: _write(1, &data, 1);
2851: is_cr = 0;
2852: } else if(data == 0x0d) {
2853: is_cr = 1;
2854: } else {
2855: _write(1, &data, 1);
2856: }
2857: }
2858: return(count);
2859: }
1.1.1.14 root 2860: vram_flush();
1.1 root 2861: return(_write(fd, buffer, count));
2862: }
2863:
2864: void msdos_putch(UINT8 data)
2865: {
2866: static int p = 0;
2867: static int is_kanji = 0;
2868: static int is_esc = 0;
2869: static int stored_x;
2870: static int stored_y;
2871: static WORD stored_a;
1.1.1.20 root 2872: static char tmp[64], out[64];
1.1 root 2873:
2874: msdos_stdio_reopen();
2875:
1.1.1.20 root 2876: process_t *process = msdos_process_info_get(current_psp);
2877: int fd = msdos_psp_get_file_table(1, current_psp);
2878:
2879: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 2880: // stdout is redirected to file
1.1.1.20 root 2881: msdos_write(fd, &data, 1);
1.1 root 2882: return;
2883: }
1.1.1.23 root 2884: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 2885:
2886: // output to console
2887: tmp[p++] = data;
2888:
1.1.1.14 root 2889: vram_flush();
2890:
1.1 root 2891: if(is_kanji) {
2892: // kanji character
2893: is_kanji = 0;
2894: } else if(is_esc) {
2895: // escape sequense
2896: if((tmp[1] == ')' || tmp[1] == '(') && p == 3) {
2897: p = is_esc = 0;
2898: } else if(tmp[1] == '=' && p == 4) {
2899: COORD co;
2900: co.X = tmp[3] - 0x20;
1.1.1.14 root 2901: co.Y = tmp[2] - 0x20 + scr_top;
1.1 root 2902: SetConsoleCursorPosition(hStdout, co);
2903: mem[0x450 + mem[0x462] * 2] = co.X;
1.1.1.14 root 2904: mem[0x451 + mem[0x462] * 2] = co.Y - scr_top;
1.1 root 2905: cursor_moved = false;
2906: p = is_esc = 0;
2907: } else if((data >= 'a' && data <= 'z') || (data >= 'A' && data <= 'Z') || data == '*') {
2908: CONSOLE_SCREEN_BUFFER_INFO csbi;
2909: COORD co;
2910: GetConsoleScreenBufferInfo(hStdout, &csbi);
2911: co.X = csbi.dwCursorPosition.X;
2912: co.Y = csbi.dwCursorPosition.Y;
2913: WORD wAttributes = csbi.wAttributes;
2914:
2915: if(tmp[1] == 'D') {
2916: co.Y++;
2917: } else if(tmp[1] == 'E') {
2918: co.X = 0;
2919: co.Y++;
2920: } else if(tmp[1] == 'M') {
2921: co.Y--;
2922: } else if(tmp[1] == '*') {
2923: SMALL_RECT rect;
1.1.1.14 root 2924: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
2925: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
2926: co.X = 0;
2927: co.Y = csbi.srWindow.Top;
1.1 root 2928: } else if(tmp[1] == '[') {
2929: int param[256], params = 0;
2930: memset(param, 0, sizeof(param));
2931: for(int i = 2; i < p; i++) {
2932: if(tmp[i] >= '0' && tmp[i] <= '9') {
2933: param[params] *= 10;
2934: param[params] += tmp[i] - '0';
2935: } else {
2936: params++;
2937: }
2938: }
2939: if(data == 'A') {
1.1.1.14 root 2940: co.Y -= (params == 0) ? 1 : param[0];
1.1 root 2941: } else if(data == 'B') {
1.1.1.14 root 2942: co.Y += (params == 0) ? 1 : param[0];
1.1 root 2943: } else if(data == 'C') {
1.1.1.14 root 2944: co.X += (params == 0) ? 1 : param[0];
1.1 root 2945: } else if(data == 'D') {
1.1.1.14 root 2946: co.X -= (params == 0) ? 1 : param[0];
1.1 root 2947: } else if(data == 'H' || data == 'f') {
1.1.1.14 root 2948: co.X = (param[1] == 0 ? 1 : param[1]) - 1;
2949: co.Y = (param[0] == 0 ? 1 : param[0]) - 1 + csbi.srWindow.Top;
1.1 root 2950: } else if(data == 'J') {
2951: SMALL_RECT rect;
1.1.1.14 root 2952: clear_scr_buffer(csbi.wAttributes);
1.1 root 2953: if(param[0] == 0) {
2954: SET_RECT(rect, co.X, co.Y, csbi.dwSize.X - 1, co.Y);
1.1.1.14 root 2955: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
2956: if(co.Y < csbi.srWindow.Bottom) {
2957: SET_RECT(rect, 0, co.Y + 1, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
2958: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 2959: }
2960: } else if(param[0] == 1) {
1.1.1.14 root 2961: if(co.Y > csbi.srWindow.Top) {
2962: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, co.Y - 1);
2963: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 2964: }
2965: SET_RECT(rect, 0, co.Y, co.X, co.Y);
1.1.1.14 root 2966: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 2967: } else if(param[0] == 2) {
1.1.1.14 root 2968: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
2969: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 2970: co.X = co.Y = 0;
2971: }
2972: } else if(data == 'K') {
2973: SMALL_RECT rect;
1.1.1.14 root 2974: clear_scr_buffer(csbi.wAttributes);
1.1 root 2975: if(param[0] == 0) {
2976: SET_RECT(rect, co.X, co.Y, csbi.dwSize.X - 1, co.Y);
1.1.1.14 root 2977: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 2978: } else if(param[0] == 1) {
2979: SET_RECT(rect, 0, co.Y, co.X, co.Y);
1.1.1.14 root 2980: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 2981: } else if(param[0] == 2) {
2982: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, co.Y);
1.1.1.14 root 2983: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 2984: }
2985: } else if(data == 'L') {
2986: SMALL_RECT rect;
1.1.1.14 root 2987: if(params == 0) {
2988: param[0] = 1;
1.1 root 2989: }
1.1.1.14 root 2990: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
2991: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
2992: SET_RECT(rect, 0, co.Y + param[0], csbi.dwSize.X - 1, csbi.srWindow.Bottom);
2993: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
2994: clear_scr_buffer(csbi.wAttributes);
1.1 root 2995: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, co.Y + param[0] - 1);
1.1.1.14 root 2996: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 2997: co.X = 0;
2998: } else if(data == 'M') {
2999: SMALL_RECT rect;
1.1.1.14 root 3000: if(params == 0) {
3001: param[0] = 1;
3002: }
3003: if(co.Y + param[0] > csbi.srWindow.Bottom) {
3004: clear_scr_buffer(csbi.wAttributes);
3005: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
3006: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 3007: } else {
1.1.1.14 root 3008: SET_RECT(rect, 0, co.Y + param[0], csbi.dwSize.X - 1, csbi.srWindow.Bottom);
3009: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
3010: SET_RECT(rect, 0, co.Y, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
3011: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
3012: clear_scr_buffer(csbi.wAttributes);
1.1 root 3013: }
3014: co.X = 0;
3015: } else if(data == 'h') {
3016: if(tmp[2] == '>' && tmp[3] == '5') {
3017: CONSOLE_CURSOR_INFO cur;
3018: GetConsoleCursorInfo(hStdout, &cur);
3019: if(cur.bVisible) {
3020: cur.bVisible = FALSE;
1.1.1.14 root 3021: // SetConsoleCursorInfo(hStdout, &cur);
1.1 root 3022: }
3023: }
3024: } else if(data == 'l') {
3025: if(tmp[2] == '>' && tmp[3] == '5') {
3026: CONSOLE_CURSOR_INFO cur;
3027: GetConsoleCursorInfo(hStdout, &cur);
3028: if(!cur.bVisible) {
3029: cur.bVisible = TRUE;
1.1.1.14 root 3030: // SetConsoleCursorInfo(hStdout, &cur);
1.1 root 3031: }
3032: }
3033: } else if(data == 'm') {
3034: wAttributes = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
3035: int reverse = 0, hidden = 0;
3036: for(int i = 0; i < params; i++) {
3037: if(param[i] == 1) {
3038: wAttributes |= FOREGROUND_INTENSITY;
3039: } else if(param[i] == 4) {
3040: wAttributes |= COMMON_LVB_UNDERSCORE;
3041: } else if(param[i] == 7) {
3042: reverse = 1;
3043: } else if(param[i] == 8 || param[i] == 16) {
3044: hidden = 1;
3045: } else if((param[i] >= 17 && param[i] <= 23) || (param[i] >= 30 && param[i] <= 37)) {
3046: wAttributes &= ~(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
3047: if(param[i] >= 17 && param[i] <= 23) {
3048: param[i] -= 16;
3049: } else {
3050: param[i] -= 30;
3051: }
3052: if(param[i] & 1) {
3053: wAttributes |= FOREGROUND_RED;
3054: }
3055: if(param[i] & 2) {
3056: wAttributes |= FOREGROUND_GREEN;
3057: }
3058: if(param[i] & 4) {
3059: wAttributes |= FOREGROUND_BLUE;
3060: }
3061: } else if(param[i] >= 40 && param[i] <= 47) {
3062: wAttributes &= ~(BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE);
3063: if((param[i] - 40) & 1) {
3064: wAttributes |= BACKGROUND_RED;
3065: }
3066: if((param[i] - 40) & 2) {
3067: wAttributes |= BACKGROUND_GREEN;
3068: }
3069: if((param[i] - 40) & 4) {
3070: wAttributes |= BACKGROUND_BLUE;
3071: }
3072: }
3073: }
3074: if(reverse) {
3075: wAttributes &= ~0xff;
3076: wAttributes |= BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE;
3077: }
3078: if(hidden) {
3079: wAttributes &= ~0x0f;
3080: wAttributes |= (wAttributes >> 4) & 0x0f;
3081: }
3082: } else if(data == 'n') {
3083: if(param[0] == 6) {
3084: char tmp[16];
3085: sprintf(tmp, "\x1b[%d;%dR", co.Y + 1, co.X + 1);
3086: int len = strlen(tmp);
3087: for(int i = 0; i < len; i++) {
3088: key_buf_char->write(tmp[i]);
3089: key_buf_scan->write(0x00);
3090: }
3091: }
3092: } else if(data == 's') {
3093: stored_x = co.X;
3094: stored_y = co.Y;
3095: stored_a = wAttributes;
3096: } else if(data == 'u') {
3097: co.X = stored_x;
3098: co.Y = stored_y;
3099: wAttributes = stored_a;
3100: }
3101: }
3102: if(co.X < 0) {
3103: co.X = 0;
3104: } else if(co.X >= csbi.dwSize.X) {
3105: co.X = csbi.dwSize.X - 1;
3106: }
1.1.1.14 root 3107: if(co.Y < csbi.srWindow.Top) {
3108: co.Y = csbi.srWindow.Top;
3109: } else if(co.Y > csbi.srWindow.Bottom) {
3110: co.Y = csbi.srWindow.Bottom;
1.1 root 3111: }
3112: if(co.X != csbi.dwCursorPosition.X || co.Y != csbi.dwCursorPosition.Y) {
3113: SetConsoleCursorPosition(hStdout, co);
3114: mem[0x450 + mem[0x462] * 2] = co.X;
1.1.1.14 root 3115: mem[0x451 + mem[0x462] * 2] = co.Y - csbi.srWindow.Top;
1.1 root 3116: cursor_moved = false;
3117: }
3118: if(wAttributes != csbi.wAttributes) {
3119: SetConsoleTextAttribute(hStdout, wAttributes);
3120: }
3121: p = is_esc = 0;
3122: }
3123: return;
3124: } else {
3125: if(msdos_lead_byte_check(data)) {
3126: is_kanji = 1;
3127: return;
3128: } else if(data == 0x1b) {
3129: is_esc = 1;
3130: return;
3131: }
3132: }
1.1.1.20 root 3133:
3134: DWORD q = 0, num;
3135: is_kanji = 0;
3136: for(int i = 0; i < p; i++) {
3137: UINT8 c = tmp[i];
3138: if(is_kanji) {
3139: is_kanji = 0;
3140: } else if(msdos_lead_byte_check(data)) {
3141: is_kanji = 1;
3142: } else if(msdos_ctrl_code_check(data)) {
3143: out[q++] = '^';
3144: c += 'A' - 1;
3145: }
3146: out[q++] = c;
3147: }
3148: WriteConsole(hStdout, out, q, &num, NULL);
1.1 root 3149: p = 0;
1.1.1.14 root 3150:
1.1.1.15 root 3151: if(!restore_console_on_exit) {
3152: CONSOLE_SCREEN_BUFFER_INFO csbi;
3153: GetConsoleScreenBufferInfo(hStdout, &csbi);
3154: scr_top = csbi.srWindow.Top;
3155: }
1.1 root 3156: cursor_moved = true;
3157: }
3158:
3159: int msdos_aux_in()
3160: {
1.1.1.21 root 3161: msdos_stdio_reopen();
3162:
1.1.1.20 root 3163: process_t *process = msdos_process_info_get(current_psp);
3164: int fd = msdos_psp_get_file_table(3, current_psp);
3165:
3166: if(fd < process->max_files && file_handler[fd].valid && !eof(fd)) {
1.1 root 3167: char data = 0;
1.1.1.20 root 3168: _read(fd, &data, 1);
1.1 root 3169: return(data);
3170: } else {
3171: return(EOF);
3172: }
3173: }
3174:
3175: void msdos_aux_out(char data)
3176: {
1.1.1.21 root 3177: msdos_stdio_reopen();
3178:
1.1.1.20 root 3179: process_t *process = msdos_process_info_get(current_psp);
3180: int fd = msdos_psp_get_file_table(3, current_psp);
3181:
3182: if(fd < process->max_files && file_handler[fd].valid) {
3183: msdos_write(fd, &data, 1);
1.1 root 3184: }
3185: }
3186:
3187: void msdos_prn_out(char data)
3188: {
1.1.1.21 root 3189: msdos_stdio_reopen();
3190:
1.1.1.20 root 3191: process_t *process = msdos_process_info_get(current_psp);
3192: int fd = msdos_psp_get_file_table(4, current_psp);
3193:
3194: if(fd < process->max_files && file_handler[fd].valid) {
3195: msdos_write(fd, &data, 1);
1.1 root 3196: }
3197: }
3198:
3199: // memory control
3200:
1.1.1.19 root 3201: mcb_t *msdos_mcb_create(int mcb_seg, UINT8 mz, UINT16 psp, int paragraphs)
1.1 root 3202: {
3203: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
3204:
3205: mcb->mz = mz;
3206: mcb->psp = psp;
1.1.1.30! root 3207: mcb->paragraphs = paragraphs;
1.1 root 3208: return(mcb);
3209: }
3210:
3211: void msdos_mcb_check(mcb_t *mcb)
3212: {
3213: if(!(mcb->mz == 'M' || mcb->mz == 'Z')) {
1.1.1.28 root 3214: #if 0
3215: // shutdown now !!!
3216: fatalerror("broken memory control block\n");
3217: #else
3218: // return error code and continue
3219: throw(0x07); // broken memory control block
3220: #endif
1.1 root 3221: }
3222: }
3223:
3224: int msdos_mem_split(int seg, int paragraphs)
3225: {
3226: int mcb_seg = seg - 1;
3227: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
3228: msdos_mcb_check(mcb);
3229:
1.1.1.30! root 3230: if(mcb->paragraphs > paragraphs) {
1.1 root 3231: int new_seg = mcb_seg + 1 + paragraphs;
1.1.1.30! root 3232: int new_paragraphs = mcb->paragraphs - paragraphs - 1;
1.1 root 3233:
3234: msdos_mcb_create(new_seg, mcb->mz, 0, new_paragraphs);
3235: mcb->mz = 'M';
1.1.1.30! root 3236: mcb->paragraphs = paragraphs;
1.1 root 3237: return(0);
3238: }
3239: return(-1);
3240: }
3241:
3242: void msdos_mem_merge(int seg)
3243: {
3244: int mcb_seg = seg - 1;
3245: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
3246: msdos_mcb_check(mcb);
3247:
3248: while(1) {
3249: if(mcb->mz == 'Z') {
3250: break;
3251: }
1.1.1.30! root 3252: int next_seg = mcb_seg + 1 + mcb->paragraphs;
1.1 root 3253: mcb_t *next_mcb = (mcb_t *)(mem + (next_seg << 4));
3254: msdos_mcb_check(next_mcb);
3255:
3256: if(next_mcb->psp != 0) {
3257: break;
3258: }
3259: mcb->mz = next_mcb->mz;
1.1.1.30! root 3260: mcb->paragraphs = mcb->paragraphs + 1 + next_mcb->paragraphs;
1.1 root 3261: }
3262: }
3263:
1.1.1.8 root 3264: int msdos_mem_alloc(int mcb_seg, int paragraphs, int new_process)
1.1 root 3265: {
3266: while(1) {
3267: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
3268:
1.1.1.14 root 3269: if(mcb->psp == 0) {
3270: msdos_mem_merge(mcb_seg + 1);
3271: } else {
3272: msdos_mcb_check(mcb);
3273: }
1.1.1.8 root 3274: if(!(new_process && mcb->mz != 'Z')) {
1.1.1.30! root 3275: if(mcb->psp == 0 && mcb->paragraphs >= paragraphs) {
1.1 root 3276: msdos_mem_split(mcb_seg + 1, paragraphs);
3277: mcb->psp = current_psp;
3278: return(mcb_seg + 1);
3279: }
3280: }
3281: if(mcb->mz == 'Z') {
3282: break;
3283: }
1.1.1.30! root 3284: mcb_seg += 1 + mcb->paragraphs;
1.1 root 3285: }
3286: return(-1);
3287: }
3288:
3289: int msdos_mem_realloc(int seg, int paragraphs, int *max_paragraphs)
3290: {
3291: int mcb_seg = seg - 1;
3292: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
3293: msdos_mcb_check(mcb);
1.1.1.30! root 3294: int current_paragraphs = mcb->paragraphs;
1.1 root 3295:
3296: msdos_mem_merge(seg);
1.1.1.30! root 3297: if(paragraphs > mcb->paragraphs) {
1.1.1.14 root 3298: if(max_paragraphs) {
1.1.1.30! root 3299: *max_paragraphs = mcb->paragraphs;
1.1.1.14 root 3300: }
1.1 root 3301: msdos_mem_split(seg, current_paragraphs);
3302: return(-1);
3303: }
3304: msdos_mem_split(seg, paragraphs);
3305: return(0);
3306: }
3307:
3308: void msdos_mem_free(int seg)
3309: {
3310: int mcb_seg = seg - 1;
3311: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
3312: msdos_mcb_check(mcb);
3313:
3314: mcb->psp = 0;
3315: msdos_mem_merge(seg);
3316: }
3317:
1.1.1.8 root 3318: int msdos_mem_get_free(int mcb_seg, int new_process)
1.1 root 3319: {
3320: int max_paragraphs = 0;
3321:
3322: while(1) {
3323: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
3324: msdos_mcb_check(mcb);
3325:
1.1.1.8 root 3326: if(!(new_process && mcb->mz != 'Z')) {
1.1.1.30! root 3327: if(mcb->psp == 0 && mcb->paragraphs > max_paragraphs) {
! 3328: max_paragraphs = mcb->paragraphs;
1.1 root 3329: }
3330: }
3331: if(mcb->mz == 'Z') {
3332: break;
3333: }
1.1.1.30! root 3334: mcb_seg += 1 + mcb->paragraphs;
1.1 root 3335: }
1.1.1.14 root 3336: return(max_paragraphs > 0x7fff && limit_max_memory ? 0x7fff : max_paragraphs);
1.1 root 3337: }
3338:
1.1.1.8 root 3339: int msdos_mem_get_last_mcb(int mcb_seg, UINT16 psp)
3340: {
3341: int last_seg = -1;
3342:
3343: while(1) {
3344: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
3345: msdos_mcb_check(mcb);
3346:
1.1.1.14 root 3347: if(mcb->psp == psp) {
1.1.1.8 root 3348: last_seg = mcb_seg;
3349: }
1.1.1.14 root 3350: if(mcb->mz == 'Z') {
3351: break;
3352: }
1.1.1.30! root 3353: mcb_seg += 1 + mcb->paragraphs;
1.1.1.8 root 3354: }
3355: return(last_seg);
3356: }
3357:
1.1.1.19 root 3358: int msdos_mem_get_umb_linked()
3359: {
3360: int mcb_seg = first_mcb;
3361:
3362: while(1) {
3363: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
3364: msdos_mcb_check(mcb);
3365:
3366: if(mcb->mz == 'Z') {
3367: if(mcb_seg >= (UMB_TOP >> 4)) {
3368: return(-1);
3369: }
3370: break;
3371: }
1.1.1.30! root 3372: mcb_seg += 1 + mcb->paragraphs;
1.1.1.19 root 3373: }
3374: return(0);
3375: }
3376:
3377: int msdos_mem_link_umb()
3378: {
3379: int mcb_seg = first_mcb;
3380:
3381: while(1) {
3382: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
3383: msdos_mcb_check(mcb);
1.1.1.30! root 3384: mcb_seg += 1 + mcb->paragraphs;
1.1.1.19 root 3385:
3386: if(mcb->mz == 'Z') {
3387: if(mcb_seg == (MEMORY_END >> 4) - 1) {
3388: mcb->mz = 'M';
1.1.1.20 root 3389: ((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked |= 0x01;
1.1.1.19 root 3390: return(-1);
3391: }
3392: break;
3393: }
3394: }
3395: return(0);
3396: }
3397:
3398: int msdos_mem_unlink_umb()
3399: {
3400: int mcb_seg = first_mcb;
3401:
3402: while(1) {
3403: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
3404: msdos_mcb_check(mcb);
1.1.1.30! root 3405: mcb_seg += 1 + mcb->paragraphs;
1.1.1.19 root 3406:
3407: if(mcb->mz == 'Z') {
3408: break;
3409: } else {
3410: if(mcb_seg == (MEMORY_END >> 4) - 1) {
3411: mcb->mz = 'Z';
1.1.1.20 root 3412: ((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked &= ~0x01;
1.1.1.19 root 3413: return(-1);
3414: }
3415: }
3416: }
3417: return(0);
3418: }
3419:
1.1.1.29 root 3420: #ifdef SUPPORT_HMA
3421:
3422: hma_mcb_t *msdos_hma_mcb_create(int offset, int owner, int size, int next)
3423: {
3424: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
3425:
3426: mcb->ms[0] = 'M';
3427: mcb->ms[1] = 'S';
3428: mcb->owner = owner;
3429: mcb->size = size;
3430: mcb->next = next;
3431: return(mcb);
3432: }
3433:
3434: bool msdos_is_hma_mcb_valid(hma_mcb_t *mcb)
3435: {
3436: return(mcb->ms[0] == 'M' && mcb->ms[1] == 'S');
3437: }
3438:
3439: int msdos_hma_mem_split(int offset, int size)
3440: {
3441: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
3442:
3443: if(!msdos_is_hma_mcb_valid(mcb)) {
3444: return(-1);
3445: }
3446: if(mcb->size >= size + 0x10) {
3447: int new_offset = offset + 0x10 + size;
3448: int new_size = mcb->size - 0x10 - size;
3449:
3450: msdos_hma_mcb_create(new_offset, 0, new_size, mcb->next);
3451: mcb->size = size;
3452: mcb->next = new_offset;
3453: return(0);
3454: }
3455: return(-1);
3456: }
3457:
3458: void msdos_hma_mem_merge(int offset)
3459: {
3460: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
3461:
3462: if(!msdos_is_hma_mcb_valid(mcb)) {
3463: return;
3464: }
3465: while(1) {
3466: if(mcb->next == 0) {
3467: break;
3468: }
3469: hma_mcb_t *next_mcb = (hma_mcb_t *)(mem + 0xffff0 + mcb->next);
3470:
3471: if(!msdos_is_hma_mcb_valid(next_mcb)) {
3472: return;
3473: }
3474: if(next_mcb->owner != 0) {
3475: break;
3476: }
3477: mcb->size += 0x10 + next_mcb->size;
3478: mcb->next = next_mcb->next;
3479: }
3480: }
3481:
3482: int msdos_hma_mem_alloc(int size, UINT16 owner)
3483: {
3484: int offset = 0x10; // first mcb in HMA
3485:
3486: while(1) {
3487: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
3488:
3489: if(!msdos_is_hma_mcb_valid(mcb)) {
3490: return(-1);
3491: }
3492: if(mcb->owner == 0) {
3493: msdos_hma_mem_merge(offset);
3494: }
3495: if(mcb->owner == 0 && mcb->size >= size) {
3496: msdos_hma_mem_split(offset, size);
3497: mcb->owner = owner;
3498: return(offset);
3499: }
3500: if(mcb->next == 0) {
3501: break;
3502: }
3503: offset = mcb->next;
3504: }
3505: return(-1);
3506: }
3507:
3508: int msdos_hma_mem_realloc(int offset, int size)
3509: {
3510: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
3511:
3512: if(!msdos_is_hma_mcb_valid(mcb)) {
3513: return(-1);
3514: }
3515: if(mcb->size < size) {
3516: return(-1);
3517: }
3518: msdos_hma_mem_split(offset, size);
3519: return(0);
3520: }
3521:
3522: void msdos_hma_mem_free(int offset)
3523: {
3524: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
3525:
3526: if(!msdos_is_hma_mcb_valid(mcb)) {
3527: return;
3528: }
3529: mcb->owner = 0;
3530: msdos_hma_mem_merge(offset);
3531: }
3532:
3533: int msdos_hma_mem_get_free(int *available_offset)
3534: {
3535: int offset = 0x10; // first mcb in HMA
3536: int size = 0;
3537:
3538: while(1) {
3539: hma_mcb_t *mcb = (hma_mcb_t *)(mem + 0xffff0 + offset);
3540:
3541: if(!msdos_is_hma_mcb_valid(mcb)) {
3542: return(0);
3543: }
3544: if(mcb->owner == 0 && size < mcb->size) {
3545: if(available_offset != NULL) {
3546: *available_offset = offset;
3547: }
3548: size = mcb->size;
3549: }
3550: if(mcb->next == 0) {
3551: break;
3552: }
3553: offset = mcb->next;
3554: }
3555: return(size);
3556: }
3557:
3558: #endif
3559:
1.1 root 3560: // environment
3561:
3562: void msdos_env_set_argv(int env_seg, char *argv)
3563: {
3564: char *dst = (char *)(mem + (env_seg << 4));
3565:
3566: while(1) {
3567: if(dst[0] == 0) {
3568: break;
3569: }
3570: dst += strlen(dst) + 1;
3571: }
3572: *dst++ = 0; // end of environment
3573: *dst++ = 1; // top of argv[0]
3574: *dst++ = 0;
3575: memcpy(dst, argv, strlen(argv));
3576: dst += strlen(argv);
3577: *dst++ = 0;
3578: *dst++ = 0;
3579: }
3580:
3581: char *msdos_env_get_argv(int env_seg)
3582: {
3583: static char env[ENV_SIZE];
3584: char *src = env;
3585:
3586: memcpy(src, mem + (env_seg << 4), ENV_SIZE);
3587: while(1) {
3588: if(src[0] == 0) {
3589: if(src[1] == 1) {
3590: return(src + 3);
3591: }
3592: break;
3593: }
3594: src += strlen(src) + 1;
3595: }
3596: return(NULL);
3597: }
3598:
3599: char *msdos_env_get(int env_seg, const char *name)
3600: {
3601: static char env[ENV_SIZE];
3602: char *src = env;
3603:
3604: memcpy(src, mem + (env_seg << 4), ENV_SIZE);
3605: while(1) {
3606: if(src[0] == 0) {
3607: break;
3608: }
3609: int len = strlen(src);
3610: char *n = my_strtok(src, "=");
3611: char *v = src + strlen(n) + 1;
3612:
3613: if(_stricmp(name, n) == 0) {
3614: return(v);
3615: }
3616: src += len + 1;
3617: }
3618: return(NULL);
3619: }
3620:
3621: void msdos_env_set(int env_seg, char *name, char *value)
3622: {
3623: char env[ENV_SIZE];
3624: char *src = env;
3625: char *dst = (char *)(mem + (env_seg << 4));
3626: char *argv = msdos_env_get_argv(env_seg);
3627: int done = 0;
3628:
3629: memcpy(src, dst, ENV_SIZE);
3630: memset(dst, 0, ENV_SIZE);
3631: while(1) {
3632: if(src[0] == 0) {
3633: break;
3634: }
3635: int len = strlen(src);
3636: char *n = my_strtok(src, "=");
3637: char *v = src + strlen(n) + 1;
3638: char tmp[1024];
3639:
3640: if(_stricmp(name, n) == 0) {
3641: sprintf(tmp, "%s=%s", n, value);
3642: done = 1;
3643: } else {
3644: sprintf(tmp, "%s=%s", n, v);
3645: }
3646: memcpy(dst, tmp, strlen(tmp));
3647: dst += strlen(tmp) + 1;
3648: src += len + 1;
3649: }
3650: if(!done) {
3651: char tmp[1024];
3652:
3653: sprintf(tmp, "%s=%s", name, value);
3654: memcpy(dst, tmp, strlen(tmp));
3655: dst += strlen(tmp) + 1;
3656: }
3657: if(argv) {
3658: *dst++ = 0; // end of environment
3659: *dst++ = 1; // top of argv[0]
3660: *dst++ = 0;
3661: memcpy(dst, argv, strlen(argv));
3662: dst += strlen(argv);
3663: *dst++ = 0;
3664: *dst++ = 0;
3665: }
3666: }
3667:
3668: // process
3669:
1.1.1.8 root 3670: psp_t *msdos_psp_create(int psp_seg, UINT16 mcb_seg, UINT16 parent_psp, UINT16 env_seg)
1.1 root 3671: {
3672: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
3673:
3674: memset(psp, 0, PSP_SIZE);
3675: psp->exit[0] = 0xcd;
3676: psp->exit[1] = 0x20;
1.1.1.8 root 3677: psp->first_mcb = mcb_seg;
1.1 root 3678: psp->far_call = 0xea;
3679: psp->cpm_entry.w.l = 0xfff1; // int 21h, retf
3680: psp->cpm_entry.w.h = 0xf000;
3681: psp->int_22h.dw = *(UINT32 *)(mem + 4 * 0x22);
3682: psp->int_23h.dw = *(UINT32 *)(mem + 4 * 0x23);
3683: psp->int_24h.dw = *(UINT32 *)(mem + 4 * 0x24);
3684: psp->parent_psp = parent_psp;
1.1.1.20 root 3685: if(parent_psp == (UINT16)-1) {
3686: for(int i = 0; i < 20; i++) {
3687: if(file_handler[i].valid) {
3688: psp->file_table[i] = i;
3689: } else {
3690: psp->file_table[i] = 0xff;
3691: }
1.1 root 3692: }
1.1.1.20 root 3693: } else {
3694: memcpy(psp->file_table, ((psp_t *)(mem + (parent_psp << 4)))->file_table, 20);
1.1 root 3695: }
3696: psp->env_seg = env_seg;
3697: psp->stack.w.l = REG16(SP);
1.1.1.3 root 3698: psp->stack.w.h = SREG(SS);
1.1.1.14 root 3699: psp->file_table_size = 20;
3700: psp->file_table_ptr.w.l = 0x18;
3701: psp->file_table_ptr.w.h = psp_seg;
1.1 root 3702: psp->service[0] = 0xcd;
3703: psp->service[1] = 0x21;
3704: psp->service[2] = 0xcb;
3705: return(psp);
3706: }
3707:
1.1.1.20 root 3708: void msdos_psp_set_file_table(int fd, UINT8 value, int psp_seg)
3709: {
3710: if(psp_seg && fd < 20) {
3711: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
3712: psp->file_table[fd] = value;
3713: }
3714: }
3715:
3716: int msdos_psp_get_file_table(int fd, int psp_seg)
3717: {
3718: if(psp_seg && fd < 20) {
3719: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
3720: fd = psp->file_table[fd];
3721: }
3722: return fd;
3723: }
3724:
1.1 root 3725: int msdos_process_exec(char *cmd, param_block_t *param, UINT8 al)
3726: {
3727: // load command file
3728: int fd = -1;
3729: int dos_command = 0;
1.1.1.24 root 3730: char command[MAX_PATH], path[MAX_PATH], opt[MAX_PATH], *name = NULL, name_tmp[MAX_PATH];
1.1 root 3731:
3732: int opt_ofs = (param->cmd_line.w.h << 4) + param->cmd_line.w.l;
3733: int opt_len = mem[opt_ofs];
3734: memset(opt, 0, sizeof(opt));
3735: memcpy(opt, mem + opt_ofs + 1, opt_len);
3736:
1.1.1.14 root 3737: if(strlen(cmd) >= 5 && _stricmp(&cmd[strlen(cmd) - 4], ".BAT") == 0) {
3738: // this is a batch file, run command.com
3739: char tmp[MAX_PATH];
3740: if(opt_len != 0) {
3741: sprintf(tmp, "/C %s %s", cmd, opt);
3742: } else {
3743: sprintf(tmp, "/C %s", cmd);
3744: }
3745: strcpy(opt, tmp);
3746: opt_len = strlen(opt);
3747: mem[opt_ofs] = opt_len;
3748: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
3749: strcpy(command, comspec_path);
3750: strcpy(name_tmp, "COMMAND.COM");
3751: } else {
3752: if(_stricmp(cmd, "C:\\COMMAND.COM") == 0) {
3753: // redirect C:\COMMAND.COM to comspec_path
3754: strcpy(command, comspec_path);
3755: } else {
3756: strcpy(command, cmd);
3757: }
1.1.1.24 root 3758: if(GetFullPathName(command, MAX_PATH, path, &name) == 0) {
3759: return(-1);
3760: }
1.1.1.14 root 3761: memset(name_tmp, 0, sizeof(name_tmp));
3762: strcpy(name_tmp, name);
3763:
3764: // check command.com
3765: if(_stricmp(name, "COMMAND.COM") == 0 || _stricmp(name, "COMMAND") == 0) {
3766: if(opt_len == 0) {
3767: // process_t *current_process = msdos_process_info_get(current_psp);
3768: process_t *current_process = NULL;
3769: for(int i = 0; i < MAX_PROCESS; i++) {
3770: if(process[i].psp == current_psp) {
3771: current_process = &process[i];
3772: break;
3773: }
3774: }
3775: if(current_process != NULL) {
3776: param->cmd_line.dw = current_process->dta.dw;
3777: opt_ofs = (param->cmd_line.w.h << 4) + param->cmd_line.w.l;
3778: opt_len = mem[opt_ofs];
3779: memset(opt, 0, sizeof(opt));
3780: memcpy(opt, mem + opt_ofs + 1, opt_len);
3781: }
3782: }
3783: for(int i = 0; i < opt_len; i++) {
3784: if(opt[i] == ' ') {
3785: continue;
3786: }
3787: if(opt[i] == '/' && (opt[i + 1] == 'c' || opt[i + 1] == 'C') && opt[i + 2] == ' ') {
3788: for(int j = i + 3; j < opt_len; j++) {
3789: if(opt[j] == ' ') {
3790: continue;
3791: }
3792: char *token = my_strtok(opt + j, " ");
3793:
3794: if(strlen(token) >= 5 && _stricmp(&token[strlen(token) - 4], ".BAT") == 0) {
3795: // this is a batch file, okay to run command.com
3796: } else {
3797: // run program directly without command.com
3798: strcpy(command, token);
3799: char tmp[MAX_PATH];
3800: strcpy(tmp, token + strlen(token) + 1);
3801: strcpy(opt, tmp);
3802: opt_len = strlen(opt);
3803: mem[opt_ofs] = opt_len;
3804: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
3805: dos_command = 1;
3806: }
3807: break;
1.1 root 3808: }
3809: }
1.1.1.14 root 3810: break;
1.1 root 3811: }
3812: }
3813: }
3814:
3815: // load command file
3816: strcpy(path, command);
3817: if((fd = _open(path, _O_RDONLY | _O_BINARY)) == -1) {
3818: sprintf(path, "%s.COM", command);
3819: if((fd = _open(path, _O_RDONLY | _O_BINARY)) == -1) {
3820: sprintf(path, "%s.EXE", command);
3821: if((fd = _open(path, _O_RDONLY | _O_BINARY)) == -1) {
1.1.1.14 root 3822: sprintf(path, "%s.BAT", command);
3823: if(_access(path, 0) == 0) {
3824: // this is a batch file, run command.com
3825: char tmp[MAX_PATH];
3826: if(opt_len != 0) {
3827: sprintf(tmp, "/C %s %s", path, opt);
3828: } else {
3829: sprintf(tmp, "/C %s", path);
3830: }
3831: strcpy(opt, tmp);
3832: opt_len = strlen(opt);
3833: mem[opt_ofs] = opt_len;
3834: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
3835: strcpy(path, comspec_path);
3836: strcpy(name_tmp, "COMMAND.COM");
3837: fd = _open(path, _O_RDONLY | _O_BINARY);
3838: } else {
3839: // search path in parent environments
3840: psp_t *parent_psp = (psp_t *)(mem + (current_psp << 4));
3841: char *env = msdos_env_get(parent_psp->env_seg, "PATH");
3842: if(env != NULL) {
3843: char env_path[4096];
3844: strcpy(env_path, env);
3845: char *token = my_strtok(env_path, ";");
3846:
3847: while(token != NULL) {
3848: if(strlen(token) != 0) {
3849: sprintf(path, "%s", msdos_combine_path(token, command));
3850: if((fd = _open(path, _O_RDONLY | _O_BINARY)) != -1) {
3851: break;
3852: }
3853: sprintf(path, "%s.COM", msdos_combine_path(token, command));
3854: if((fd = _open(path, _O_RDONLY | _O_BINARY)) != -1) {
3855: break;
3856: }
3857: sprintf(path, "%s.EXE", msdos_combine_path(token, command));
3858: if((fd = _open(path, _O_RDONLY | _O_BINARY)) != -1) {
3859: break;
3860: }
3861: sprintf(path, "%s.BAT", msdos_combine_path(token, command));
3862: if(_access(path, 0) == 0) {
3863: // this is a batch file, run command.com
3864: char tmp[MAX_PATH];
3865: if(opt_len != 0) {
3866: sprintf(tmp, "/C %s %s", path, opt);
3867: } else {
3868: sprintf(tmp, "/C %s", path);
3869: }
3870: strcpy(opt, tmp);
3871: opt_len = strlen(opt);
3872: mem[opt_ofs] = opt_len;
3873: sprintf((char *)(mem + opt_ofs + 1), "%s\x0d", opt);
3874: strcpy(path, comspec_path);
3875: strcpy(name_tmp, "COMMAND.COM");
3876: fd = _open(path, _O_RDONLY | _O_BINARY);
3877: break;
3878: }
1.1.1.8 root 3879: }
1.1.1.14 root 3880: token = my_strtok(NULL, ";");
1.1 root 3881: }
3882: }
3883: }
3884: }
3885: }
3886: }
3887: if(fd == -1) {
3888: if(dos_command) {
3889: // may be dos command
3890: char tmp[MAX_PATH];
3891: sprintf(tmp, "%s %s", command, opt);
3892: system(tmp);
3893: return(0);
3894: } else {
3895: return(-1);
3896: }
3897: }
3898: _read(fd, file_buffer, sizeof(file_buffer));
3899: _close(fd);
3900:
3901: // copy environment
1.1.1.29 root 3902: int umb_linked, env_seg, psp_seg;
1.1 root 3903:
1.1.1.29 root 3904: if((umb_linked = msdos_mem_get_umb_linked()) != 0) {
3905: msdos_mem_unlink_umb();
3906: }
1.1.1.8 root 3907: if((env_seg = msdos_mem_alloc(first_mcb, ENV_SIZE >> 4, 1)) == -1) {
1.1.1.29 root 3908: if((env_seg = msdos_mem_alloc(UMB_TOP >> 4, ENV_SIZE >> 4, 1)) == -1) {
3909: if(umb_linked != 0) {
3910: msdos_mem_link_umb();
3911: }
3912: return(-1);
3913: }
1.1 root 3914: }
3915: if(param->env_seg == 0) {
3916: psp_t *parent_psp = (psp_t *)(mem + (current_psp << 4));
3917: memcpy(mem + (env_seg << 4), mem + (parent_psp->env_seg << 4), ENV_SIZE);
3918: } else {
3919: memcpy(mem + (env_seg << 4), mem + (param->env_seg << 4), ENV_SIZE);
3920: }
3921: msdos_env_set_argv(env_seg, msdos_short_full_path(path));
3922:
3923: // check exe header
3924: exe_header_t *header = (exe_header_t *)file_buffer;
1.1.1.8 root 3925: int paragraphs, free_paragraphs = msdos_mem_get_free(first_mcb, 1);
1.1 root 3926: UINT16 cs, ss, ip, sp;
3927:
3928: if(header->mz == 0x4d5a || header->mz == 0x5a4d) {
3929: // memory allocation
3930: int header_size = header->header_size * 16;
3931: int load_size = header->pages * 512 - header_size;
3932: if(header_size + load_size < 512) {
3933: load_size = 512 - header_size;
3934: }
3935: paragraphs = (PSP_SIZE + load_size) >> 4;
3936: if(paragraphs + header->min_alloc > free_paragraphs) {
3937: msdos_mem_free(env_seg);
3938: return(-1);
3939: }
3940: paragraphs += header->max_alloc ? header->max_alloc : header->min_alloc;
3941: if(paragraphs > free_paragraphs) {
3942: paragraphs = free_paragraphs;
3943: }
1.1.1.8 root 3944: if((psp_seg = msdos_mem_alloc(first_mcb, paragraphs, 1)) == -1) {
1.1.1.29 root 3945: if((psp_seg = msdos_mem_alloc(UMB_TOP >> 4, paragraphs, 1)) == -1) {
3946: if(umb_linked != 0) {
3947: msdos_mem_link_umb();
3948: }
3949: msdos_mem_free(env_seg);
3950: return(-1);
3951: }
1.1 root 3952: }
3953: // relocation
3954: int start_seg = psp_seg + (PSP_SIZE >> 4);
3955: for(int i = 0; i < header->relocations; i++) {
3956: int ofs = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 0);
3957: int seg = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 2);
3958: *(UINT16 *)(file_buffer + header_size + (seg << 4) + ofs) += start_seg;
3959: }
3960: memcpy(mem + (start_seg << 4), file_buffer + header_size, load_size);
3961: // segments
3962: cs = header->init_cs + start_seg;
3963: ss = header->init_ss + start_seg;
3964: ip = header->init_ip;
3965: sp = header->init_sp - 2; // for symdeb
3966: } else {
3967: // memory allocation
3968: paragraphs = free_paragraphs;
1.1.1.8 root 3969: if((psp_seg = msdos_mem_alloc(first_mcb, paragraphs, 1)) == -1) {
1.1.1.29 root 3970: if((psp_seg = msdos_mem_alloc(UMB_TOP >> 4, paragraphs, 1)) == -1) {
3971: if(umb_linked != 0) {
3972: msdos_mem_link_umb();
3973: }
3974: msdos_mem_free(env_seg);
3975: return(-1);
3976: }
1.1 root 3977: }
3978: int start_seg = psp_seg + (PSP_SIZE >> 4);
3979: memcpy(mem + (start_seg << 4), file_buffer, 0x10000 - PSP_SIZE);
3980: // segments
3981: cs = ss = psp_seg;
3982: ip = 0x100;
3983: sp = 0xfffe;
3984: }
1.1.1.29 root 3985: if(umb_linked != 0) {
3986: msdos_mem_link_umb();
3987: }
1.1 root 3988:
3989: // create psp
1.1.1.3 root 3990: #if defined(HAS_I386)
3991: *(UINT16 *)(mem + 4 * 0x22 + 0) = m_eip;
3992: #else
3993: *(UINT16 *)(mem + 4 * 0x22 + 0) = m_pc - SREG_BASE(CS);
3994: #endif
3995: *(UINT16 *)(mem + 4 * 0x22 + 2) = SREG(CS);
1.1 root 3996: psp_t *psp = msdos_psp_create(psp_seg, psp_seg + paragraphs, current_psp, env_seg);
3997: memcpy(psp->fcb1, mem + (param->fcb1.w.h << 4) + param->fcb1.w.l, sizeof(psp->fcb1));
3998: memcpy(psp->fcb2, mem + (param->fcb2.w.h << 4) + param->fcb2.w.l, sizeof(psp->fcb2));
3999: memcpy(psp->buffer, mem + (param->cmd_line.w.h << 4) + param->cmd_line.w.l, sizeof(psp->buffer));
4000:
4001: mcb_t *mcb_env = (mcb_t *)(mem + ((env_seg - 1) << 4));
4002: mcb_t *mcb_psp = (mcb_t *)(mem + ((psp_seg - 1) << 4));
4003: mcb_psp->psp = mcb_env->psp = psp_seg;
4004:
1.1.1.4 root 4005: for(int i = 0; i < 8; i++) {
4006: if(name_tmp[i] == '.') {
4007: mcb_psp->prog_name[i] = '\0';
4008: break;
4009: } else if(i < 7 && msdos_lead_byte_check(name_tmp[i])) {
4010: mcb_psp->prog_name[i] = name_tmp[i];
4011: i++;
4012: mcb_psp->prog_name[i] = name_tmp[i];
4013: } else if(name_tmp[i] >= 'a' && name_tmp[i] <= 'z') {
4014: mcb_psp->prog_name[i] = name_tmp[i] - 'a' + 'A';
4015: } else {
4016: mcb_psp->prog_name[i] = name_tmp[i];
4017: }
4018: }
4019:
1.1 root 4020: // process info
4021: process_t *process = msdos_process_info_create(psp_seg);
4022: strcpy(process->module_dir, msdos_short_full_dir(path));
4023: process->dta.w.l = 0x80;
4024: process->dta.w.h = psp_seg;
4025: process->switchar = '/';
4026: process->max_files = 20;
4027: process->parent_int_10h_feh_called = int_10h_feh_called;
4028: process->parent_int_10h_ffh_called = int_10h_ffh_called;
1.1.1.14 root 4029: process->parent_ds = SREG(DS);
1.1 root 4030:
4031: current_psp = psp_seg;
1.1.1.23 root 4032: msdos_sda_update(current_psp);
1.1 root 4033:
4034: if(al == 0x00) {
4035: int_10h_feh_called = int_10h_ffh_called = false;
4036:
4037: // registers and segments
4038: REG16(AX) = REG16(BX) = 0x00;
4039: REG16(CX) = 0xff;
4040: REG16(DX) = psp_seg;
4041: REG16(SI) = ip;
4042: REG16(DI) = sp;
4043: REG16(SP) = sp;
1.1.1.3 root 4044: SREG(DS) = SREG(ES) = psp_seg;
4045: SREG(SS) = ss;
4046: i386_load_segment_descriptor(DS);
4047: i386_load_segment_descriptor(ES);
4048: i386_load_segment_descriptor(SS);
1.1 root 4049:
4050: *(UINT16 *)(mem + (ss << 4) + sp) = 0;
4051: i386_jmp_far(cs, ip);
4052: } else if(al == 0x01) {
4053: // copy ss:sp and cs:ip to param block
4054: param->sp = sp;
4055: param->ss = ss;
4056: param->ip = ip;
4057: param->cs = cs;
4058: }
4059: return(0);
4060: }
4061:
4062: void msdos_process_terminate(int psp_seg, int ret, int mem_free)
4063: {
4064: psp_t *psp = (psp_t *)(mem + (psp_seg << 4));
4065:
4066: *(UINT32 *)(mem + 4 * 0x22) = psp->int_22h.dw;
4067: *(UINT32 *)(mem + 4 * 0x23) = psp->int_23h.dw;
4068: *(UINT32 *)(mem + 4 * 0x24) = psp->int_24h.dw;
4069:
1.1.1.3 root 4070: SREG(SS) = psp->stack.w.h;
4071: i386_load_segment_descriptor(SS);
1.1 root 4072: REG16(SP) = psp->stack.w.l;
4073: i386_jmp_far(psp->int_22h.w.h, psp->int_22h.w.l);
4074:
1.1.1.28 root 4075: // process_t *current_process = msdos_process_info_get(psp_seg);
4076: process_t *current_process = NULL;
4077: for(int i = 0; i < MAX_PROCESS; i++) {
4078: if(process[i].psp == psp_seg) {
4079: current_process = &process[i];
4080: break;
4081: }
4082: }
4083: if(current_process == NULL) {
4084: throw(0x1f); // general failure
4085: }
4086: int_10h_feh_called = current_process->parent_int_10h_feh_called;
4087: int_10h_ffh_called = current_process->parent_int_10h_ffh_called;
4088: if(current_process->called_by_int2eh) {
4089: REG16(AX) = ret;
4090: }
4091: SREG(DS) = current_process->parent_ds;
1.1.1.14 root 4092: i386_load_segment_descriptor(DS);
1.1 root 4093:
4094: if(mem_free) {
1.1.1.8 root 4095: int mcb_seg;
4096: while((mcb_seg = msdos_mem_get_last_mcb(first_mcb, psp_seg)) != -1) {
4097: msdos_mem_free(mcb_seg + 1);
4098: }
4099: while((mcb_seg = msdos_mem_get_last_mcb(UMB_TOP >> 4, psp_seg)) != -1) {
4100: msdos_mem_free(mcb_seg + 1);
4101: }
1.1 root 4102:
4103: for(int i = 0; i < MAX_FILES; i++) {
4104: if(file_handler[i].valid && file_handler[i].psp == psp_seg) {
4105: _close(i);
1.1.1.20 root 4106: msdos_file_handler_close(i);
4107: msdos_psp_set_file_table(i, 0x0ff, psp_seg); // FIXME: consider duplicated file handles
1.1 root 4108: }
4109: }
1.1.1.13 root 4110: msdos_dta_info_free(psp_seg);
1.1 root 4111: }
1.1.1.14 root 4112: msdos_stdio_reopen();
1.1 root 4113:
1.1.1.28 root 4114: memset(current_process, 0, sizeof(process_t));
1.1 root 4115:
4116: current_psp = psp->parent_psp;
4117: retval = ret;
1.1.1.23 root 4118: msdos_sda_update(current_psp);
1.1 root 4119: }
4120:
4121: // drive
4122:
4123: int msdos_drive_param_block_update(int drive_num, UINT16 *seg, UINT16 *ofs, int force_update)
4124: {
4125: *seg = DPB_TOP >> 4;
4126: *ofs = sizeof(dpb_t) * drive_num;
4127: dpb_t *dpb = (dpb_t *)(mem + (*seg << 4) + *ofs);
4128:
4129: if(!force_update && dpb->free_clusters != 0) {
4130: return(dpb->bytes_per_sector ? 1 : 0);
4131: }
4132: memset(dpb, 0, sizeof(dpb_t));
4133:
4134: int res = 0;
4135: char dev[64];
4136: sprintf(dev, "\\\\.\\%c:", 'A' + drive_num);
4137:
1.1.1.17 root 4138: HANDLE hFile = CreateFile(dev, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
1.1 root 4139: if(hFile != INVALID_HANDLE_VALUE) {
4140: DISK_GEOMETRY geo;
4141: DWORD dwSize;
4142: if(DeviceIoControl(hFile, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0, &geo, sizeof(geo), &dwSize, NULL)) {
4143: dpb->bytes_per_sector = (UINT16)geo.BytesPerSector;
4144: dpb->highest_sector_num = (UINT8)(geo.SectorsPerTrack - 1);
4145: dpb->highest_cluster_num = (UINT16)(geo.TracksPerCylinder * geo.Cylinders.QuadPart + 1);
1.1.1.14 root 4146: dpb->maximum_cluster_num = (UINT32)(geo.TracksPerCylinder * geo.Cylinders.QuadPart + 1);
1.1 root 4147: switch(geo.MediaType) {
4148: case F5_320_512: // floppy, double-sided, 8 sectors per track (320K)
4149: dpb->media_type = 0xff;
4150: break;
4151: case F5_160_512: // floppy, single-sided, 8 sectors per track (160K)
4152: dpb->media_type = 0xfe;
4153: break;
4154: case F5_360_512: // floppy, double-sided, 9 sectors per track (360K)
4155: dpb->media_type = 0xfd;
4156: break;
4157: case F5_180_512: // floppy, single-sided, 9 sectors per track (180K)
4158: dpb->media_type = 0xfc;
4159: break;
4160: case F5_1Pt2_512: // floppy, double-sided, 15 sectors per track (1.2M)
4161: case F3_720_512: // floppy, double-sided, 9 sectors per track (720K,3.5")
4162: dpb->media_type = 0xf9;
4163: break;
4164: case FixedMedia: // hard disk
4165: case RemovableMedia:
1.1.1.19 root 4166: case Unknown:
1.1 root 4167: dpb->media_type = 0xf8;
4168: break;
4169: default:
4170: dpb->media_type = 0xf0;
4171: break;
4172: }
4173: res = 1;
4174: }
4175: dpb->drive_num = drive_num;
4176: dpb->unit_num = drive_num;
4177: dpb->next_dpb_ofs = *ofs + sizeof(dpb_t);
4178: dpb->next_dpb_seg = *seg;
1.1.1.14 root 4179: dpb->info_sector = 0xffff;
4180: dpb->backup_boot_sector = 0xffff;
1.1 root 4181: dpb->free_clusters = 0xffff;
1.1.1.14 root 4182: dpb->free_search_cluster = 0xffffffff;
1.1 root 4183: CloseHandle(hFile);
4184: }
4185: return(res);
4186: }
4187:
4188: // pc bios
4189:
1.1.1.19 root 4190: UINT32 get_ticks_since_midnight(UINT32 cur_msec)
4191: {
4192: static unsigned __int64 start_msec_since_midnight = 0;
4193: static unsigned __int64 start_msec_since_hostboot = 0;
4194:
4195: if(start_msec_since_midnight == 0) {
4196: SYSTEMTIME time;
4197: GetLocalTime(&time);
4198: start_msec_since_midnight = ((time.wHour * 60 + time.wMinute) * 60 + time.wSecond) * 1000 + time.wMilliseconds;
4199: start_msec_since_hostboot = cur_msec;
4200: }
4201: unsigned __int64 msec = (start_msec_since_midnight + cur_msec - start_msec_since_hostboot) % (24 * 60 * 60 * 1000);
4202: unsigned __int64 tick = msec * 0x1800b0 / (24 * 60 * 60 * 1000);
4203: return (UINT32)tick;
4204: }
4205:
4206: void pcbios_update_daily_timer_counter(UINT32 cur_msec)
4207: {
4208: UINT32 prev_tick = *(UINT32 *)(mem + 0x46c);
4209: UINT32 next_tick = get_ticks_since_midnight(cur_msec);
4210:
4211: if(prev_tick > next_tick) {
4212: mem[0x470] = 1;
4213: }
4214: *(UINT32 *)(mem + 0x46c) = next_tick;
4215: }
4216:
1.1.1.14 root 4217: inline void pcbios_irq0()
4218: {
4219: //++*(UINT32 *)(mem + 0x46c);
1.1.1.19 root 4220: pcbios_update_daily_timer_counter(timeGetTime());
1.1.1.14 root 4221: }
4222:
1.1.1.16 root 4223: int pcbios_get_text_vram_address(int page)
1.1 root 4224: {
4225: if(/*mem[0x449] == 0x03 || */mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.8 root 4226: return TEXT_VRAM_TOP;
1.1 root 4227: } else {
1.1.1.14 root 4228: return TEXT_VRAM_TOP + VIDEO_REGEN * (page % vram_pages);
1.1 root 4229: }
4230: }
4231:
1.1.1.16 root 4232: int pcbios_get_shadow_buffer_address(int page)
1.1 root 4233: {
1.1.1.14 root 4234: if(!int_10h_feh_called) {
1.1.1.16 root 4235: return pcbios_get_text_vram_address(page);
1.1.1.14 root 4236: } else if(/*mem[0x449] == 0x03 || */mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.8 root 4237: return SHADOW_BUF_TOP;
4238: } else {
1.1.1.14 root 4239: return SHADOW_BUF_TOP + VIDEO_REGEN * (page % vram_pages);
1.1.1.8 root 4240: }
4241: }
4242:
1.1.1.16 root 4243: int pcbios_get_shadow_buffer_address(int page, int x, int y)
1.1.1.8 root 4244: {
1.1.1.16 root 4245: return pcbios_get_shadow_buffer_address(page) + (x + y * scr_width) * 2;
1.1 root 4246: }
4247:
1.1.1.16 root 4248: void pcbios_set_console_size(int width, int height, bool clr_screen)
1.1 root 4249: {
1.1.1.14 root 4250: // clear the existing screen, not just the new one
4251: int clr_height = max(height, scr_height);
4252:
1.1.1.16 root 4253: if(scr_width != width || scr_height != height) {
4254: change_console_size(width, height);
1.1.1.14 root 4255: }
4256: mem[0x462] = 0;
4257: *(UINT16 *)(mem + 0x44e) = 0;
4258:
1.1.1.16 root 4259: text_vram_top_address = pcbios_get_text_vram_address(0);
4260: text_vram_end_address = text_vram_top_address + width * height * 2;
4261: shadow_buffer_top_address = pcbios_get_shadow_buffer_address(0);
4262: shadow_buffer_end_address = shadow_buffer_top_address + width * height * 2;
1.1 root 4263:
1.1.1.23 root 4264: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.16 root 4265: if(clr_screen) {
1.1.1.14 root 4266: for(int ofs = shadow_buffer_top_address; ofs < shadow_buffer_end_address;) {
4267: mem[ofs++] = 0x20;
4268: mem[ofs++] = 0x07;
4269: }
4270:
4271: EnterCriticalSection(&vram_crit_sect);
4272: for(int y = 0; y < clr_height; y++) {
4273: for(int x = 0; x < scr_width; x++) {
4274: SCR_BUF(y,x).Char.AsciiChar = ' ';
4275: SCR_BUF(y,x).Attributes = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
1.1 root 4276: }
4277: }
4278: SMALL_RECT rect;
1.1.1.14 root 4279: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + clr_height - 1);
4280: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
4281: vram_length_char = vram_last_length_char = 0;
4282: vram_length_attr = vram_last_length_attr = 0;
4283: LeaveCriticalSection(&vram_crit_sect);
1.1 root 4284: }
1.1.1.14 root 4285: COORD co;
4286: co.X = 0;
4287: co.Y = scr_top;
4288: SetConsoleCursorPosition(hStdout, co);
4289: cursor_moved = true;
4290: SetConsoleTextAttribute(hStdout, FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
1.1 root 4291: }
4292:
1.1.1.16 root 4293: inline void pcbios_int_10h_00h()
4294: {
4295: switch(REG8(AL) & 0x7f) {
4296: case 0x70: // v-text mode
4297: case 0x71: // extended cga v-text mode
4298: pcbios_set_console_size(scr_width, scr_height, !(REG8(AL) & 0x80));
4299: break;
4300: default:
4301: pcbios_set_console_size(80, 25, !(REG8(AL) & 0x80));
4302: break;
4303: }
4304: if(REG8(AL) & 0x80) {
4305: mem[0x487] |= 0x80;
4306: } else {
4307: mem[0x487] &= ~0x80;
4308: }
4309: mem[0x449] = REG8(AL) & 0x7f;
4310: }
4311:
1.1 root 4312: inline void pcbios_int_10h_01h()
4313: {
1.1.1.13 root 4314: mem[0x460] = REG8(CL);
4315: mem[0x461] = REG8(CH);
1.1.1.14 root 4316:
1.1.1.23 root 4317: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 4318: CONSOLE_CURSOR_INFO ci;
4319: GetConsoleCursorInfo(hStdout, &ci);
4320: // ci.bVisible = !(REG8(CH) & 0x60) && REG8(CH) <= REG8(CL);
4321: // if(ci.bVisible) {
4322: int lines = max(8, REG8(CL) + 1);
4323: ci.dwSize = (REG8(CL) - REG8(CH) + 1) * 100 / lines;
4324: // }
4325: SetConsoleCursorInfo(hStdout, &ci);
1.1 root 4326: }
4327:
4328: inline void pcbios_int_10h_02h()
4329: {
1.1.1.14 root 4330: // continuously setting the cursor effectively stops it blinking
4331: if(mem[0x462] == REG8(BH) && (REG8(DL) != mem[0x450 + REG8(BH) * 2] || REG8(DH) != mem[0x451 + REG8(BH) * 2])) {
1.1 root 4332: COORD co;
4333: co.X = REG8(DL);
1.1.1.14 root 4334: co.Y = REG8(DH) + scr_top;
4335:
4336: // some programs hide the cursor by moving it off screen
4337: static bool hidden = false;
1.1.1.23 root 4338: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 4339: CONSOLE_CURSOR_INFO ci;
4340: GetConsoleCursorInfo(hStdout, &ci);
4341:
4342: if(REG8(DH) >= scr_height || !SetConsoleCursorPosition(hStdout, co)) {
4343: if(ci.bVisible) {
4344: ci.bVisible = FALSE;
4345: // SetConsoleCursorInfo(hStdout, &ci);
4346: hidden = true;
4347: }
4348: } else if(hidden) {
4349: if(!ci.bVisible) {
4350: ci.bVisible = TRUE;
4351: // SetConsoleCursorInfo(hStdout, &ci);
4352: }
4353: hidden = false;
4354: }
1.1 root 4355: }
1.1.1.14 root 4356: mem[0x450 + (REG8(BH) % vram_pages) * 2] = REG8(DL);
4357: mem[0x451 + (REG8(BH) % vram_pages) * 2] = REG8(DH);
1.1 root 4358: }
4359:
4360: inline void pcbios_int_10h_03h()
4361: {
1.1.1.14 root 4362: REG8(DL) = mem[0x450 + (REG8(BH) % vram_pages) * 2];
4363: REG8(DH) = mem[0x451 + (REG8(BH) % vram_pages) * 2];
1.1 root 4364: REG8(CL) = mem[0x460];
4365: REG8(CH) = mem[0x461];
4366: }
4367:
4368: inline void pcbios_int_10h_05h()
4369: {
1.1.1.14 root 4370: if(REG8(AL) >= vram_pages) {
4371: return;
4372: }
4373: if(mem[0x462] != REG8(AL)) {
4374: vram_flush();
4375:
1.1.1.23 root 4376: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 4377: SMALL_RECT rect;
1.1.1.14 root 4378: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + scr_height - 1);
4379: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 4380:
1.1.1.16 root 4381: for(int y = 0, ofs = pcbios_get_shadow_buffer_address(mem[0x462]); y < scr_height; y++) {
1.1.1.14 root 4382: for(int x = 0; x < scr_width; x++) {
4383: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar;
4384: mem[ofs++] = SCR_BUF(y,x).Attributes;
1.1 root 4385: }
4386: }
1.1.1.16 root 4387: for(int y = 0, ofs = pcbios_get_shadow_buffer_address(REG8(AL)); y < scr_height; y++) {
1.1.1.14 root 4388: for(int x = 0; x < scr_width; x++) {
4389: SCR_BUF(y,x).Char.AsciiChar = mem[ofs++];
4390: SCR_BUF(y,x).Attributes = mem[ofs++];
1.1 root 4391: }
4392: }
1.1.1.14 root 4393: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 4394:
4395: COORD co;
1.1.1.14 root 4396: co.X = mem[0x450 + REG8(AL) * 2];
4397: co.Y = mem[0x451 + REG8(AL) * 2] + scr_top;
4398: if(co.Y < scr_top + scr_height) {
4399: SetConsoleCursorPosition(hStdout, co);
4400: }
1.1 root 4401: }
1.1.1.14 root 4402: mem[0x462] = REG8(AL);
4403: *(UINT16 *)(mem + 0x44e) = REG8(AL) * VIDEO_REGEN;
4404: int regen = min(scr_width * scr_height * 2, 0x8000);
1.1.1.16 root 4405: text_vram_top_address = pcbios_get_text_vram_address(mem[0x462]);
1.1.1.14 root 4406: text_vram_end_address = text_vram_top_address + regen;
1.1.1.16 root 4407: shadow_buffer_top_address = pcbios_get_shadow_buffer_address(mem[0x462]);
1.1.1.14 root 4408: shadow_buffer_end_address = shadow_buffer_top_address + regen;
1.1 root 4409: }
4410:
4411: inline void pcbios_int_10h_06h()
4412: {
1.1.1.14 root 4413: if(REG8(CH) >= scr_height || REG8(CH) > REG8(DH) ||
4414: REG8(CL) >= scr_width || REG8(CL) > REG8(DL)) {
4415: return;
4416: }
4417: vram_flush();
4418:
1.1.1.23 root 4419: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 4420: SMALL_RECT rect;
1.1.1.14 root 4421: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + scr_height - 1);
4422: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
4423:
4424: int right = min(REG8(DL), scr_width - 1);
4425: int bottom = min(REG8(DH), scr_height - 1);
1.1 root 4426:
4427: if(REG8(AL) == 0) {
1.1.1.14 root 4428: for(int y = REG8(CH); y <= bottom; y++) {
1.1.1.16 root 4429: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 4430: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar = ' ';
4431: mem[ofs++] = SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 4432: }
4433: }
4434: } else {
1.1.1.14 root 4435: for(int y = REG8(CH), y2 = min(REG8(CH) + REG8(AL), bottom + 1); y <= bottom; y++, y2++) {
1.1.1.16 root 4436: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 4437: if(y2 <= bottom) {
4438: SCR_BUF(y,x) = SCR_BUF(y2,x);
1.1 root 4439: } else {
1.1.1.14 root 4440: SCR_BUF(y,x).Char.AsciiChar = ' ';
4441: SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 4442: }
1.1.1.14 root 4443: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar;
4444: mem[ofs++] = SCR_BUF(y,x).Attributes;
1.1 root 4445: }
4446: }
4447: }
1.1.1.14 root 4448: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 4449: }
4450:
4451: inline void pcbios_int_10h_07h()
4452: {
1.1.1.14 root 4453: if(REG8(CH) >= scr_height || REG8(CH) > REG8(DH) ||
4454: REG8(CL) >= scr_width || REG8(CL) > REG8(DL)) {
4455: return;
4456: }
4457: vram_flush();
4458:
1.1.1.23 root 4459: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 4460: SMALL_RECT rect;
1.1.1.14 root 4461: SET_RECT(rect, 0, scr_top, scr_width - 1, scr_top + scr_height - 1);
4462: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
4463:
4464: int right = min(REG8(DL), scr_width - 1);
4465: int bottom = min(REG8(DH), scr_height - 1);
1.1 root 4466:
4467: if(REG8(AL) == 0) {
1.1.1.14 root 4468: for(int y = REG8(CH); y <= bottom; y++) {
1.1.1.16 root 4469: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 4470: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar = ' ';
4471: mem[ofs++] = SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 4472: }
4473: }
4474: } else {
1.1.1.14 root 4475: for(int y = bottom, y2 = max(REG8(CH) - 1, bottom - REG8(AL)); y >= REG8(CH); y--, y2--) {
1.1.1.16 root 4476: for(int x = REG8(CL), ofs = pcbios_get_shadow_buffer_address(mem[0x462], REG8(CL), y); x <= right; x++) {
1.1.1.14 root 4477: if(y2 >= REG8(CH)) {
4478: SCR_BUF(y,x) = SCR_BUF(y2,x);
1.1 root 4479: } else {
1.1.1.14 root 4480: SCR_BUF(y,x).Char.AsciiChar = ' ';
4481: SCR_BUF(y,x).Attributes = REG8(BH);
1.1 root 4482: }
1.1.1.14 root 4483: mem[ofs++] = SCR_BUF(y,x).Char.AsciiChar;
4484: mem[ofs++] = SCR_BUF(y,x).Attributes;
1.1 root 4485: }
4486: }
4487: }
1.1.1.14 root 4488: WriteConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
1.1 root 4489: }
4490:
4491: inline void pcbios_int_10h_08h()
4492: {
4493: COORD co;
4494: DWORD num;
4495:
1.1.1.14 root 4496: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
4497: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
1.1 root 4498:
4499: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 4500: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 4501: co.Y += scr_top;
4502: vram_flush();
1.1 root 4503: ReadConsoleOutputCharacter(hStdout, scr_char, 1, co, &num);
4504: ReadConsoleOutputAttribute(hStdout, scr_attr, 1, co, &num);
4505: REG8(AL) = scr_char[0];
4506: REG8(AH) = scr_attr[0];
4507: } else {
1.1.1.16 root 4508: REG16(AX) = *(UINT16 *)(mem + pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y));
1.1 root 4509: }
4510: }
4511:
4512: inline void pcbios_int_10h_09h()
4513: {
4514: COORD co;
4515:
1.1.1.14 root 4516: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
4517: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
4518:
1.1.1.16 root 4519: int dest = pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y);
4520: int end = min(dest + REG16(CX) * 2, pcbios_get_shadow_buffer_address(REG8(BH), 0, scr_height));
1.1 root 4521:
4522: if(mem[0x462] == REG8(BH)) {
1.1.1.14 root 4523: EnterCriticalSection(&vram_crit_sect);
1.1.1.16 root 4524: int vram = pcbios_get_shadow_buffer_address(REG8(BH));
1.1.1.14 root 4525: while(dest < end) {
4526: write_text_vram_char(dest - vram, REG8(AL));
4527: mem[dest++] = REG8(AL);
4528: write_text_vram_attr(dest - vram, REG8(BL));
4529: mem[dest++] = REG8(BL);
1.1 root 4530: }
1.1.1.14 root 4531: LeaveCriticalSection(&vram_crit_sect);
1.1 root 4532: } else {
1.1.1.14 root 4533: while(dest < end) {
1.1 root 4534: mem[dest++] = REG8(AL);
4535: mem[dest++] = REG8(BL);
4536: }
4537: }
4538: }
4539:
4540: inline void pcbios_int_10h_0ah()
4541: {
4542: COORD co;
4543:
1.1.1.14 root 4544: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
4545: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
4546:
1.1.1.16 root 4547: int dest = pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y);
4548: int end = min(dest + REG16(CX) * 2, pcbios_get_shadow_buffer_address(REG8(BH), 0, scr_height));
1.1 root 4549:
4550: if(mem[0x462] == REG8(BH)) {
1.1.1.14 root 4551: EnterCriticalSection(&vram_crit_sect);
1.1.1.16 root 4552: int vram = pcbios_get_shadow_buffer_address(REG8(BH));
1.1.1.14 root 4553: while(dest < end) {
4554: write_text_vram_char(dest - vram, REG8(AL));
4555: mem[dest++] = REG8(AL);
4556: dest++;
1.1 root 4557: }
1.1.1.14 root 4558: LeaveCriticalSection(&vram_crit_sect);
1.1 root 4559: } else {
1.1.1.14 root 4560: while(dest < end) {
1.1 root 4561: mem[dest++] = REG8(AL);
4562: dest++;
4563: }
4564: }
4565: }
4566:
4567: inline void pcbios_int_10h_0eh()
4568: {
1.1.1.14 root 4569: DWORD num;
4570: COORD co;
4571:
4572: co.X = mem[0x450 + (REG8(BH) % vram_pages) * 2];
4573: co.Y = mem[0x451 + (REG8(BH) % vram_pages) * 2];
4574:
4575: if(REG8(AL) == 7) {
4576: //MessageBeep(-1);
4577: } else if(REG8(AL) == 8 || REG8(AL) == 10 || REG8(AL) == 13) {
4578: if(REG8(AL) == 10) {
4579: vram_flush();
4580: }
1.1.1.23 root 4581: WriteConsole(GetStdHandle(STD_OUTPUT_HANDLE), ®8(AL), 1, &num, NULL);
1.1.1.14 root 4582: cursor_moved = true;
4583: } else {
1.1.1.16 root 4584: int dest = pcbios_get_shadow_buffer_address(REG8(BH), co.X, co.Y);
1.1.1.14 root 4585: if(mem[0x462] == REG8(BH)) {
4586: EnterCriticalSection(&vram_crit_sect);
1.1.1.16 root 4587: int vram = pcbios_get_shadow_buffer_address(REG8(BH));
1.1.1.14 root 4588: write_text_vram_char(dest - vram, REG8(AL));
4589: LeaveCriticalSection(&vram_crit_sect);
4590:
1.1.1.23 root 4591: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 4592: if(++co.X == scr_width) {
4593: co.X = 0;
4594: if(++co.Y == scr_height) {
4595: vram_flush();
4596: WriteConsole(hStdout, "\n", 1, &num, NULL);
4597: cursor_moved = true;
4598: }
4599: }
4600: if(!cursor_moved) {
4601: co.Y += scr_top;
4602: SetConsoleCursorPosition(hStdout, co);
4603: cursor_moved = true;
4604: }
4605: }
4606: mem[dest] = REG8(AL);
4607: }
1.1 root 4608: }
4609:
4610: inline void pcbios_int_10h_0fh()
4611: {
4612: REG8(AL) = mem[0x449];
4613: REG8(AH) = mem[0x44a];
4614: REG8(BH) = mem[0x462];
4615: }
4616:
1.1.1.14 root 4617: inline void pcbios_int_10h_11h()
4618: {
4619: switch(REG8(AL)) {
1.1.1.16 root 4620: case 0x01:
1.1.1.14 root 4621: case 0x11:
1.1.1.16 root 4622: pcbios_set_console_size(80, 28, true);
1.1.1.14 root 4623: break;
1.1.1.16 root 4624: case 0x02:
1.1.1.14 root 4625: case 0x12:
1.1.1.16 root 4626: pcbios_set_console_size(80, 50, true);
1.1.1.14 root 4627: break;
1.1.1.16 root 4628: case 0x04:
1.1.1.14 root 4629: case 0x14:
1.1.1.16 root 4630: pcbios_set_console_size(80, 25, true);
4631: break;
4632: case 0x18:
4633: pcbios_set_console_size(80, 50, true);
1.1.1.14 root 4634: break;
4635: case 0x30:
4636: SREG(ES) = 0;
4637: i386_load_segment_descriptor(ES);
4638: REG16(BP) = 0;
4639: REG16(CX) = mem[0x485];
4640: REG8(DL) = mem[0x484];
4641: break;
4642: }
4643: }
4644:
4645: inline void pcbios_int_10h_12h()
4646: {
1.1.1.16 root 4647: switch(REG8(BL)) {
4648: case 0x10:
1.1.1.14 root 4649: REG16(BX) = 0x0003;
4650: REG16(CX) = 0x0009;
1.1.1.16 root 4651: break;
1.1.1.14 root 4652: }
4653: }
4654:
1.1 root 4655: inline void pcbios_int_10h_13h()
4656: {
1.1.1.3 root 4657: int ofs = SREG_BASE(ES) + REG16(BP);
1.1 root 4658: COORD co;
4659: DWORD num;
4660:
4661: co.X = REG8(DL);
1.1.1.14 root 4662: co.Y = REG8(DH) + scr_top;
4663:
4664: vram_flush();
1.1 root 4665:
4666: switch(REG8(AL)) {
4667: case 0x00:
4668: case 0x01:
4669: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 4670: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 4671: CONSOLE_SCREEN_BUFFER_INFO csbi;
4672: GetConsoleScreenBufferInfo(hStdout, &csbi);
4673: SetConsoleCursorPosition(hStdout, co);
4674:
4675: if(csbi.wAttributes != REG8(BL)) {
4676: SetConsoleTextAttribute(hStdout, REG8(BL));
4677: }
1.1.1.14 root 4678: WriteConsole(hStdout, &mem[ofs], REG16(CX), &num, NULL);
4679:
1.1 root 4680: if(csbi.wAttributes != REG8(BL)) {
4681: SetConsoleTextAttribute(hStdout, csbi.wAttributes);
4682: }
4683: if(REG8(AL) == 0x00) {
1.1.1.15 root 4684: if(!restore_console_on_exit) {
4685: GetConsoleScreenBufferInfo(hStdout, &csbi);
4686: scr_top = csbi.srWindow.Top;
4687: }
1.1.1.14 root 4688: co.X = mem[0x450 + REG8(BH) * 2];
4689: co.Y = mem[0x451 + REG8(BH) * 2] + scr_top;
1.1 root 4690: SetConsoleCursorPosition(hStdout, co);
4691: } else {
4692: cursor_moved = true;
4693: }
4694: } else {
1.1.1.3 root 4695: m_CF = 1;
1.1 root 4696: }
4697: break;
4698: case 0x02:
4699: case 0x03:
4700: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 4701: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 4702: CONSOLE_SCREEN_BUFFER_INFO csbi;
4703: GetConsoleScreenBufferInfo(hStdout, &csbi);
4704: SetConsoleCursorPosition(hStdout, co);
4705:
4706: WORD wAttributes = csbi.wAttributes;
4707: for(int i = 0; i < REG16(CX); i++, ofs += 2) {
4708: if(wAttributes != mem[ofs + 1]) {
4709: SetConsoleTextAttribute(hStdout, mem[ofs + 1]);
4710: wAttributes = mem[ofs + 1];
4711: }
1.1.1.14 root 4712: WriteConsole(hStdout, &mem[ofs], 1, &num, NULL);
1.1 root 4713: }
4714: if(csbi.wAttributes != wAttributes) {
4715: SetConsoleTextAttribute(hStdout, csbi.wAttributes);
4716: }
4717: if(REG8(AL) == 0x02) {
1.1.1.14 root 4718: co.X = mem[0x450 + REG8(BH) * 2];
4719: co.Y = mem[0x451 + REG8(BH) * 2] + scr_top;
1.1 root 4720: SetConsoleCursorPosition(hStdout, co);
4721: } else {
4722: cursor_moved = true;
4723: }
4724: } else {
1.1.1.3 root 4725: m_CF = 1;
1.1 root 4726: }
4727: break;
4728: case 0x10:
4729: case 0x11:
4730: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 4731: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 4732: ReadConsoleOutputCharacter(hStdout, scr_char, REG16(CX), co, &num);
4733: ReadConsoleOutputAttribute(hStdout, scr_attr, REG16(CX), co, &num);
4734: for(int i = 0; i < num; i++) {
4735: mem[ofs++] = scr_char[i];
4736: mem[ofs++] = scr_attr[i];
4737: if(REG8(AL) == 0x11) {
4738: mem[ofs++] = 0;
4739: mem[ofs++] = 0;
4740: }
4741: }
4742: } else {
1.1.1.16 root 4743: 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 4744: mem[ofs++] = mem[src++];
4745: mem[ofs++] = mem[src++];
4746: if(REG8(AL) == 0x11) {
4747: mem[ofs++] = 0;
4748: mem[ofs++] = 0;
4749: }
1.1.1.14 root 4750: if(++co.X == scr_width) {
4751: if(++co.Y == scr_height) {
1.1 root 4752: break;
4753: }
4754: co.X = 0;
4755: }
4756: }
4757: }
4758: break;
4759: case 0x20:
4760: case 0x21:
4761: if(mem[0x462] == REG8(BH)) {
1.1.1.23 root 4762: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1.1.14 root 4763: int len = min(REG16(CX), scr_width * scr_height);
4764: for(int i = 0; i < len; i++) {
1.1 root 4765: scr_char[i] = mem[ofs++];
4766: scr_attr[i] = mem[ofs++];
4767: if(REG8(AL) == 0x21) {
4768: ofs += 2;
4769: }
4770: }
1.1.1.14 root 4771: WriteConsoleOutputCharacter(hStdout, scr_char, len, co, &num);
4772: WriteConsoleOutputAttribute(hStdout, scr_attr, len, co, &num);
1.1 root 4773: } else {
1.1.1.16 root 4774: 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 4775: mem[dest++] = mem[ofs++];
4776: mem[dest++] = mem[ofs++];
4777: if(REG8(AL) == 0x21) {
4778: ofs += 2;
4779: }
1.1.1.14 root 4780: if(++co.X == scr_width) {
4781: if(++co.Y == scr_height) {
1.1 root 4782: break;
4783: }
4784: co.X = 0;
4785: }
4786: }
4787: }
4788: break;
4789: default:
1.1.1.22 root 4790: 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 4791: m_CF = 1;
1.1 root 4792: break;
4793: }
4794: }
4795:
1.1.1.30! root 4796: inline void pcbios_int_10h_18h()
! 4797: {
! 4798: switch(REG8(AL)) {
! 4799: case 0x00:
! 4800: case 0x01:
! 4801: // REG8(AL) = 0x86;
! 4802: REG8(AL) = 0x00;
! 4803: break;
! 4804: default:
! 4805: 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));
! 4806: m_CF = 1;
! 4807: break;
! 4808: }
! 4809: }
! 4810:
1.1.1.14 root 4811: inline void pcbios_int_10h_1ah()
4812: {
4813: switch(REG8(AL)) {
4814: case 0x00:
4815: REG8(AL) = 0x1a;
4816: REG8(BL) = 0x08;
4817: REG8(BH) = 0x00;
4818: break;
4819: default:
1.1.1.22 root 4820: 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 4821: m_CF = 1;
4822: break;
4823: }
4824: }
4825:
1.1 root 4826: inline void pcbios_int_10h_1dh()
4827: {
4828: switch(REG8(AL)) {
4829: case 0x01:
4830: break;
4831: case 0x02:
4832: REG16(BX) = 0;
4833: break;
4834: default:
1.1.1.22 root 4835: 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));
4836: m_CF = 1;
4837: break;
4838: }
4839: }
4840:
4841: inline void pcbios_int_10h_4fh()
4842: {
4843: switch(REG8(AL)) {
4844: case 0x00:
4845: REG8(AH) = 0x02; // not supported
4846: break;
4847: case 0x01:
4848: case 0x02:
4849: case 0x03:
4850: case 0x04:
4851: case 0x05:
4852: case 0x06:
4853: case 0x07:
4854: case 0x08:
4855: case 0x09:
4856: case 0x0a:
4857: case 0x0b:
4858: case 0x0c:
4859: REG8(AH) = 0x01; // failed
4860: break;
4861: default:
4862: 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 4863: m_CF = 1;
1.1 root 4864: break;
4865: }
4866: }
4867:
4868: inline void pcbios_int_10h_82h()
4869: {
4870: static UINT8 mode = 0;
4871:
4872: switch(REG8(AL)) {
1.1.1.22 root 4873: case 0x00:
1.1 root 4874: if(REG8(BL) != 0xff) {
4875: mode = REG8(BL);
4876: }
4877: REG8(AL) = mode;
4878: break;
4879: default:
1.1.1.22 root 4880: 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 4881: m_CF = 1;
1.1 root 4882: break;
4883: }
4884: }
4885:
1.1.1.22 root 4886: inline void pcbios_int_10h_83h()
4887: {
4888: static UINT8 mode = 0;
4889:
4890: switch(REG8(AL)) {
4891: case 0x00:
4892: REG16(AX) = 0; // offset???
4893: SREG(ES) = (SHADOW_BUF_TOP >> 4);
4894: i386_load_segment_descriptor(ES);
4895: REG16(BX) = (SHADOW_BUF_TOP & 0x0f);
4896: break;
4897: default:
4898: 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));
4899: m_CF = 1;
4900: break;
4901: }
4902: }
4903:
4904: inline void pcbios_int_10h_90h()
4905: {
4906: REG8(AL) = mem[0x449];
4907: }
4908:
4909: inline void pcbios_int_10h_91h()
4910: {
4911: REG8(AL) = 0x04; // VGA
4912: }
4913:
4914: inline void pcbios_int_10h_efh()
4915: {
4916: REG16(DX) = 0xffff;
4917: }
4918:
1.1 root 4919: inline void pcbios_int_10h_feh()
4920: {
4921: if(mem[0x449] == 0x03 || mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.8 root 4922: SREG(ES) = (SHADOW_BUF_TOP >> 4);
1.1.1.3 root 4923: i386_load_segment_descriptor(ES);
1.1.1.8 root 4924: REG16(DI) = (SHADOW_BUF_TOP & 0x0f);
1.1 root 4925: }
4926: int_10h_feh_called = true;
4927: }
4928:
4929: inline void pcbios_int_10h_ffh()
4930: {
4931: if(mem[0x449] == 0x03 || mem[0x449] == 0x70 || mem[0x449] == 0x71 || mem[0x449] == 0x73) {
1.1.1.23 root 4932: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 4933: COORD co;
4934: DWORD num;
4935:
1.1.1.14 root 4936: vram_flush();
4937:
4938: co.X = (REG16(DI) >> 1) % scr_width;
4939: co.Y = (REG16(DI) >> 1) / scr_width;
1.1.1.16 root 4940: int ofs = pcbios_get_shadow_buffer_address(0, co.X, co.Y);
4941: int end = min(ofs + REG16(CX) * 2, pcbios_get_shadow_buffer_address(0, 0, scr_height));
1.1.1.14 root 4942: int len;
4943: for(len = 0; ofs < end; len++) {
4944: scr_char[len] = mem[ofs++];
4945: scr_attr[len] = mem[ofs++];
4946: }
4947: co.Y += scr_top;
4948: WriteConsoleOutputCharacter(hStdout, scr_char, len, co, &num);
4949: WriteConsoleOutputAttribute(hStdout, scr_attr, len, co, &num);
1.1 root 4950: }
4951: int_10h_ffh_called = true;
4952: }
4953:
1.1.1.25 root 4954: inline void pcbios_int_14h_00h()
4955: {
1.1.1.29 root 4956: if(REG16(DX) < 4) {
1.1.1.25 root 4957: static const unsigned int rate[] = {110, 150, 300, 600, 1200, 2400, 4800, 9600};
4958: UINT8 selector = sio_read(REG16(DX), 3);
4959: selector &= ~0x3f;
4960: selector |= REG8(AL) & 0x1f;
4961: UINT16 divisor = 115200 / rate[REG8(AL) >> 5];
4962: sio_write(REG16(DX), 3, selector | 0x80);
4963: sio_write(REG16(DX), 0, divisor & 0xff);
4964: sio_write(REG16(DX), 1, divisor >> 8);
4965: sio_write(REG16(DX), 3, selector);
4966: REG8(AH) = sio_read(REG16(DX), 5);
4967: REG8(AL) = sio_read(REG16(DX), 6);
4968: } else {
4969: REG8(AH) = 0x80;
4970: }
4971: }
4972:
4973: inline void pcbios_int_14h_01h()
4974: {
1.1.1.29 root 4975: if(REG16(DX) < 4) {
1.1.1.25 root 4976: UINT8 selector = sio_read(REG16(DX), 3);
4977: sio_write(REG16(DX), 3, selector & ~0x80);
4978: sio_write(REG16(DX), 0, REG8(AL));
4979: sio_write(REG16(DX), 3, selector);
4980: REG8(AH) = sio_read(REG16(DX), 5);
4981: } else {
4982: REG8(AH) = 0x80;
4983: }
4984: }
4985:
4986: inline void pcbios_int_14h_02h()
4987: {
1.1.1.29 root 4988: if(REG16(DX) < 4) {
1.1.1.25 root 4989: UINT8 selector = sio_read(REG16(DX), 3);
4990: sio_write(REG16(DX), 3, selector & ~0x80);
4991: REG8(AL) = sio_read(REG16(DX), 0);
4992: sio_write(REG16(DX), 3, selector);
4993: REG8(AH) = sio_read(REG16(DX), 5);
4994: } else {
4995: REG8(AH) = 0x80;
4996: }
4997: }
4998:
4999: inline void pcbios_int_14h_03h()
5000: {
1.1.1.29 root 5001: if(REG16(DX) < 4) {
1.1.1.25 root 5002: REG8(AH) = sio_read(REG16(DX), 5);
5003: REG8(AL) = sio_read(REG16(DX), 6);
5004: } else {
5005: REG8(AH) = 0x80;
5006: }
5007: }
5008:
5009: inline void pcbios_int_14h_04h()
5010: {
1.1.1.29 root 5011: if(REG16(DX) < 4) {
1.1.1.25 root 5012: UINT8 selector = sio_read(REG16(DX), 3);
5013: if(REG8(CH) <= 0x03) {
5014: selector = (selector & ~0x03) | REG8(CH);
5015: }
5016: if(REG8(BL) == 0x00) {
5017: selector &= ~0x04;
5018: } else if(REG8(BL) == 0x01) {
5019: selector |= 0x04;
5020: }
5021: if(REG8(BH) == 0x00) {
5022: selector = (selector & ~0x38) | 0x00;
5023: } else if(REG8(BH) == 0x01) {
5024: selector = (selector & ~0x38) | 0x08;
5025: } else if(REG8(BH) == 0x02) {
5026: selector = (selector & ~0x38) | 0x18;
5027: } else if(REG8(BH) == 0x03) {
5028: selector = (selector & ~0x38) | 0x28;
5029: } else if(REG8(BH) == 0x04) {
5030: selector = (selector & ~0x38) | 0x38;
5031: }
5032: if(REG8(AL) == 0x00) {
5033: selector |= 0x40;
5034: } else if(REG8(AL) == 0x01) {
5035: selector &= ~0x40;
5036: }
5037: if(REG8(CL) <= 0x0b) {
5038: static const unsigned int rate[] = {110, 150, 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200};
5039: UINT16 divisor = 115200 / rate[REG8(CL)];
5040: sio_write(REG16(DX), 3, selector | 0x80);
5041: sio_write(REG16(DX), 0, divisor & 0xff);
5042: sio_write(REG16(DX), 1, divisor >> 8);
5043: }
5044: sio_write(REG16(DX), 3, selector);
5045: REG8(AH) = sio_read(REG16(DX), 5);
5046: REG8(AL) = sio_read(REG16(DX), 6);
5047: } else {
5048: REG8(AH) = 0x80;
5049: }
5050: }
5051:
5052: inline void pcbios_int_14h_05h()
5053: {
1.1.1.29 root 5054: if(REG16(DX) < 4) {
1.1.1.25 root 5055: if(REG8(AL) == 0x00) {
5056: REG8(BL) = sio_read(REG16(DX), 4);
5057: REG8(AH) = sio_read(REG16(DX), 5);
5058: REG8(AL) = sio_read(REG16(DX), 6);
5059: } else if(REG8(AL) == 0x01) {
5060: sio_write(REG16(DX), 4, REG8(BL));
5061: REG8(AH) = sio_read(REG16(DX), 5);
5062: REG8(AL) = sio_read(REG16(DX), 6);
5063: } else {
5064: 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));
5065: }
5066: } else {
5067: REG8(AH) = 0x80;
5068: }
5069: }
5070:
1.1.1.14 root 5071: inline void pcbios_int_15h_10h()
5072: {
1.1.1.22 root 5073: switch(REG8(AL)) {
5074: case 0x00:
1.1.1.14 root 5075: Sleep(10);
5076: hardware_update();
1.1.1.22 root 5077: break;
5078: default:
5079: 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 5080: REG8(AH) = 0x86;
5081: m_CF = 1;
5082: }
5083: }
5084:
1.1 root 5085: inline void pcbios_int_15h_23h()
5086: {
5087: switch(REG8(AL)) {
1.1.1.22 root 5088: case 0x00:
1.1.1.8 root 5089: REG8(CL) = cmos_read(0x2d);
5090: REG8(CH) = cmos_read(0x2e);
1.1 root 5091: break;
1.1.1.22 root 5092: case 0x01:
1.1.1.8 root 5093: cmos_write(0x2d, REG8(CL));
5094: cmos_write(0x2e, REG8(CH));
1.1 root 5095: break;
5096: default:
1.1.1.22 root 5097: 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 5098: REG8(AH) = 0x86;
1.1.1.3 root 5099: m_CF = 1;
1.1 root 5100: break;
5101: }
5102: }
5103:
5104: inline void pcbios_int_15h_24h()
5105: {
5106: switch(REG8(AL)) {
1.1.1.22 root 5107: case 0x00:
1.1.1.3 root 5108: i386_set_a20_line(0);
1.1 root 5109: REG8(AH) = 0;
5110: break;
1.1.1.22 root 5111: case 0x01:
1.1.1.3 root 5112: i386_set_a20_line(1);
1.1 root 5113: REG8(AH) = 0;
5114: break;
1.1.1.22 root 5115: case 0x02:
1.1 root 5116: REG8(AH) = 0;
1.1.1.3 root 5117: REG8(AL) = (m_a20_mask >> 20) & 1;
1.1 root 5118: REG16(CX) = 0;
5119: break;
1.1.1.22 root 5120: case 0x03:
1.1 root 5121: REG16(AX) = 0;
5122: REG16(BX) = 0;
5123: break;
1.1.1.22 root 5124: default:
5125: 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));
5126: REG8(AH) = 0x86;
5127: m_CF = 1;
5128: break;
1.1 root 5129: }
5130: }
5131:
5132: inline void pcbios_int_15h_49h()
5133: {
1.1.1.27 root 5134: REG8(AH) = 0x00;
5135: REG8(BL) = 0x00; // DOS/V
1.1 root 5136: }
5137:
1.1.1.22 root 5138: inline void pcbios_int_15h_50h()
5139: {
5140: switch(REG8(AL)) {
5141: case 0x00:
5142: case 0x01:
5143: if(REG8(BH) != 0x00 && REG8(BH) != 0x01) {
5144: REG8(AH) = 0x01; // invalid font type in bh
5145: m_CF = 1;
1.1.1.27 root 5146: } else if(REG8(BL) != 0x00) {
1.1.1.22 root 5147: REG8(AH) = 0x02; // bl not zero
5148: m_CF = 1;
5149: } else if(REG16(BP) != 0 && REG16(BP) != 437 && REG16(BP) != 932 && REG16(BP) != 934 && REG16(BP) != 936 && REG16(BP) != 938) {
5150: REG8(AH) = 0x04; // invalid code page
5151: m_CF = 1;
1.1.1.27 root 5152: } else if(REG8(AL) == 0x01) {
5153: REG8(AH) = 0x06; // font is read only
1.1.1.22 root 5154: m_CF = 1;
1.1.1.27 root 5155: } else {
5156: // dummy font read routine is at fffd:000d
5157: SREG(ES) = 0xfffd;
5158: i386_load_segment_descriptor(ES);
5159: REG16(BX) = 0x0d;
5160: REG8(AH) = 0x00; // success
1.1.1.22 root 5161: }
5162: break;
5163: default:
5164: 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));
5165: REG8(AH) = 0x86;
5166: m_CF = 1;
5167: break;
5168: }
5169: }
5170:
1.1.1.30! root 5171: inline void pcbios_int_15h_53h()
! 5172: {
! 5173: switch(REG8(AL)) {
! 5174: case 0x00:
! 5175: // APM is not installed
! 5176: REG8(AH) = 0x86;
! 5177: m_CF = 1;
! 5178: break;
! 5179: default:
! 5180: 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));
! 5181: REG8(AH) = 0x86;
! 5182: m_CF = 1;
! 5183: break;
! 5184: }
! 5185: }
! 5186:
1.1 root 5187: inline void pcbios_int_15h_86h()
5188: {
5189: UINT32 usec = (REG16(CX) << 16) | REG16(DX);
1.1.1.14 root 5190: UINT32 msec = usec / 1000;
5191:
5192: while(msec) {
5193: UINT32 tmp = min(msec, 100);
5194: if(msec - tmp < 10) {
5195: tmp = msec;
5196: }
5197: Sleep(tmp);
5198:
5199: if(m_halted) {
5200: return;
5201: }
5202: msec -= tmp;
5203: }
1.1 root 5204: }
5205:
5206: inline void pcbios_int_15h_87h()
5207: {
5208: // copy extended memory (from DOSBox)
5209: int len = REG16(CX) * 2;
1.1.1.3 root 5210: int ofs = SREG_BASE(ES) + REG16(SI);
1.1 root 5211: int src = (*(UINT32 *)(mem + ofs + 0x12) & 0xffffff); // + (mem[ofs + 0x16] << 24);
5212: int dst = (*(UINT32 *)(mem + ofs + 0x1a) & 0xffffff); // + (mem[ofs + 0x1e] << 24);
5213: memcpy(mem + dst, mem + src, len);
5214: REG16(AX) = 0x00;
5215: }
5216:
5217: inline void pcbios_int_15h_88h()
5218: {
1.1.1.17 root 5219: REG16(AX) = ((min(MAX_MEM, 0x4000000) - 0x100000) >> 10);
1.1 root 5220: }
5221:
5222: inline void pcbios_int_15h_89h()
5223: {
1.1.1.21 root 5224: #if defined(HAS_I286) || defined(HAS_I386)
1.1 root 5225: // switch to protected mode (from DOSBox)
5226: write_io_byte(0x20, 0x10);
5227: write_io_byte(0x21, REG8(BH));
5228: write_io_byte(0x21, 0x00);
5229: write_io_byte(0xa0, 0x10);
5230: write_io_byte(0xa1, REG8(BL));
5231: write_io_byte(0xa1, 0x00);
1.1.1.3 root 5232: i386_set_a20_line(1);
5233: int ofs = SREG_BASE(ES) + REG16(SI);
5234: m_gdtr.limit = *(UINT16 *)(mem + ofs + 0x08);
5235: m_gdtr.base = *(UINT32 *)(mem + ofs + 0x08 + 0x02) & 0xffffff;
5236: m_idtr.limit = *(UINT16 *)(mem + ofs + 0x10);
5237: m_idtr.base = *(UINT32 *)(mem + ofs + 0x10 + 0x02) & 0xffffff;
5238: #if defined(HAS_I386)
5239: m_cr[0] |= 1;
5240: #else
5241: m_msw |= 1;
5242: #endif
5243: SREG(DS) = 0x18;
5244: SREG(ES) = 0x20;
5245: SREG(SS) = 0x28;
5246: i386_load_segment_descriptor(DS);
5247: i386_load_segment_descriptor(ES);
5248: i386_load_segment_descriptor(SS);
1.1.1.21 root 5249: UINT16 offset = *(UINT16 *)(mem + SREG_BASE(SS) + REG16(SP));
1.1 root 5250: REG16(SP) += 6;
1.1.1.3 root 5251: #if defined(HAS_I386)
1.1.1.21 root 5252: UINT32 flags = get_flags();
5253: flags &= (0x20000 | 0x40000 | 0x80000 | 0x100000 | 0x200000);
5254: set_flags(flags);
1.1.1.3 root 5255: #else
1.1.1.21 root 5256: UINT32 flags = CompressFlags();
5257: flags &= (0x20000 | 0x40000 | 0x80000 | 0x100000 | 0x200000);
5258: ExpandFlags(flags);
1.1.1.3 root 5259: #endif
1.1 root 5260: REG16(AX) = 0x00;
1.1.1.21 root 5261: i386_jmp_far(0x30, /*REG16(CX)*/offset);
1.1 root 5262: #else
1.1.1.21 root 5263: // i86/i186/v30: protected mode is not supported
1.1 root 5264: REG8(AH) = 0x86;
1.1.1.3 root 5265: m_CF = 1;
1.1 root 5266: #endif
5267: }
5268:
1.1.1.21 root 5269: inline void pcbios_int_15h_8ah()
5270: {
5271: UINT32 size = MAX_MEM - 0x100000;
5272: REG16(AX) = size & 0xffff;
5273: REG16(DX) = size >> 16;
5274: }
5275:
1.1.1.3 root 5276: #if defined(HAS_I386)
1.1 root 5277: inline void pcbios_int_15h_c9h()
5278: {
5279: REG8(AH) = 0x00;
5280: REG8(CH) = cpu_type;
5281: REG8(CL) = cpu_step;
5282: }
1.1.1.3 root 5283: #endif
1.1 root 5284:
5285: inline void pcbios_int_15h_cah()
5286: {
5287: switch(REG8(AL)) {
1.1.1.22 root 5288: case 0x00:
1.1 root 5289: if(REG8(BL) > 0x3f) {
5290: REG8(AH) = 0x03;
1.1.1.3 root 5291: m_CF = 1;
1.1 root 5292: } else if(REG8(BL) < 0x0e) {
5293: REG8(AH) = 0x04;
1.1.1.3 root 5294: m_CF = 1;
1.1 root 5295: } else {
1.1.1.8 root 5296: REG8(CL) = cmos_read(REG8(BL));
1.1 root 5297: }
5298: break;
1.1.1.22 root 5299: case 0x01:
1.1 root 5300: if(REG8(BL) > 0x3f) {
5301: REG8(AH) = 0x03;
1.1.1.3 root 5302: m_CF = 1;
1.1 root 5303: } else if(REG8(BL) < 0x0e) {
5304: REG8(AH) = 0x04;
1.1.1.3 root 5305: m_CF = 1;
1.1 root 5306: } else {
1.1.1.8 root 5307: cmos_write(REG8(BL), REG8(CL));
1.1 root 5308: }
5309: break;
5310: default:
1.1.1.22 root 5311: 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 5312: REG8(AH) = 0x86;
1.1.1.3 root 5313: m_CF = 1;
1.1 root 5314: break;
5315: }
5316: }
5317:
1.1.1.22 root 5318: inline void pcbios_int_15h_e8h()
1.1.1.17 root 5319: {
1.1.1.22 root 5320: switch(REG8(AL)) {
5321: #if defined(HAS_I386)
5322: case 0x01:
5323: REG16(AX) = REG16(CX) = ((min(MAX_MEM, 0x1000000) - 0x100000) >> 10);
5324: REG16(BX) = REG16(DX) = ((max(MAX_MEM, 0x1000000) - 0x1000000) >> 16);
5325: break;
1.1.1.17 root 5326: #endif
1.1.1.22 root 5327: default:
5328: 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));
5329: REG8(AH) = 0x86;
5330: m_CF = 1;
5331: break;
5332: }
5333: }
1.1.1.17 root 5334:
1.1.1.16 root 5335: UINT32 pcbios_get_key_code(bool clear_buffer)
1.1 root 5336: {
5337: UINT32 code = 0;
5338:
5339: if(key_buf_char->count() == 0) {
1.1.1.14 root 5340: if(!update_key_buffer()) {
5341: if(clear_buffer) {
5342: Sleep(10);
5343: } else {
5344: maybe_idle();
5345: }
5346: }
1.1 root 5347: }
5348: if(!clear_buffer) {
5349: key_buf_char->store_buffer();
5350: key_buf_scan->store_buffer();
5351: }
5352: if(key_buf_char->count() != 0) {
5353: code = key_buf_char->read() | (key_buf_scan->read() << 8);
5354: }
5355: if(key_buf_char->count() != 0) {
5356: code |= (key_buf_char->read() << 16) | (key_buf_scan->read() << 24);
5357: }
5358: if(!clear_buffer) {
5359: key_buf_char->restore_buffer();
5360: key_buf_scan->restore_buffer();
5361: }
5362: return code;
5363: }
5364:
5365: inline void pcbios_int_16h_00h()
5366: {
1.1.1.14 root 5367: while(key_code == 0 && !m_halted) {
1.1.1.16 root 5368: key_code = pcbios_get_key_code(true);
1.1 root 5369: }
5370: if((key_code & 0xffff) == 0x0000 || (key_code & 0xffff) == 0xe000) {
5371: if(REG8(AH) == 0x10) {
5372: key_code = ((key_code >> 8) & 0xff) | ((key_code >> 16) & 0xff00);
5373: } else {
5374: key_code = ((key_code >> 16) & 0xff00);
5375: }
5376: }
5377: REG16(AX) = key_code & 0xffff;
5378: key_code >>= 16;
5379: }
5380:
5381: inline void pcbios_int_16h_01h()
5382: {
1.1.1.5 root 5383: UINT32 key_code_tmp = key_code;
1.1 root 5384:
1.1.1.5 root 5385: if(key_code_tmp == 0) {
1.1.1.16 root 5386: key_code_tmp = pcbios_get_key_code(false);
1.1.1.5 root 5387: }
1.1.1.14 root 5388: if((key_code_tmp & 0xffff) == 0x0000 || (key_code_tmp & 0xffff) == 0xe000) {
5389: if(REG8(AH) == 0x11) {
5390: key_code_tmp = ((key_code_tmp >> 8) & 0xff) | ((key_code_tmp >> 16) & 0xff00);
5391: } else {
5392: key_code_tmp = ((key_code_tmp >> 16) & 0xff00);
1.1 root 5393: }
5394: }
1.1.1.5 root 5395: if(key_code_tmp != 0) {
5396: REG16(AX) = key_code_tmp & 0xffff;
1.1 root 5397: }
1.1.1.3 root 5398: #if defined(HAS_I386)
1.1.1.5 root 5399: m_ZF = (key_code_tmp == 0);
1.1.1.3 root 5400: #else
1.1.1.5 root 5401: m_ZeroVal = (key_code_tmp != 0);
1.1.1.3 root 5402: #endif
1.1 root 5403: }
5404:
5405: inline void pcbios_int_16h_02h()
5406: {
5407: REG8(AL) = (GetAsyncKeyState(VK_INSERT ) & 0x0001) ? 0x80 : 0;
5408: REG8(AL) |= (GetAsyncKeyState(VK_CAPITAL) & 0x0001) ? 0x40 : 0;
5409: REG8(AL) |= (GetAsyncKeyState(VK_NUMLOCK) & 0x0001) ? 0x20 : 0;
5410: REG8(AL) |= (GetAsyncKeyState(VK_SCROLL ) & 0x0001) ? 0x10 : 0;
5411: REG8(AL) |= (GetAsyncKeyState(VK_MENU ) & 0x8000) ? 0x08 : 0;
5412: REG8(AL) |= (GetAsyncKeyState(VK_CONTROL) & 0x8000) ? 0x04 : 0;
5413: REG8(AL) |= (GetAsyncKeyState(VK_LSHIFT ) & 0x8000) ? 0x02 : 0;
5414: REG8(AL) |= (GetAsyncKeyState(VK_RSHIFT ) & 0x8000) ? 0x01 : 0;
5415: }
5416:
5417: inline void pcbios_int_16h_03h()
5418: {
5419: static UINT16 status = 0;
5420:
5421: switch(REG8(AL)) {
5422: case 0x05:
5423: status = REG16(BX);
5424: break;
5425: case 0x06:
5426: REG16(BX) = status;
5427: break;
5428: default:
1.1.1.3 root 5429: m_CF = 1;
1.1 root 5430: break;
5431: }
5432: }
5433:
5434: inline void pcbios_int_16h_05h()
5435: {
1.1.1.14 root 5436: key_buf_char->write(REG8(CL));
5437: key_buf_scan->write(REG8(CH));
1.1 root 5438: REG8(AL) = 0x00;
5439: }
5440:
5441: inline void pcbios_int_16h_12h()
5442: {
5443: pcbios_int_16h_02h();
5444:
5445: REG8(AH) = 0;//(GetAsyncKeyState(VK_SYSREQ ) & 0x8000) ? 0x80 : 0;
5446: REG8(AH) |= (GetAsyncKeyState(VK_CAPITAL ) & 0x8000) ? 0x40 : 0;
5447: REG8(AH) |= (GetAsyncKeyState(VK_NUMLOCK ) & 0x8000) ? 0x20 : 0;
5448: REG8(AH) |= (GetAsyncKeyState(VK_SCROLL ) & 0x8000) ? 0x10 : 0;
5449: REG8(AH) |= (GetAsyncKeyState(VK_RMENU ) & 0x8000) ? 0x08 : 0;
5450: REG8(AH) |= (GetAsyncKeyState(VK_RCONTROL) & 0x8000) ? 0x04 : 0;
5451: REG8(AH) |= (GetAsyncKeyState(VK_LMENU ) & 0x8000) ? 0x02 : 0;
5452: REG8(AH) |= (GetAsyncKeyState(VK_LCONTROL) & 0x8000) ? 0x01 : 0;
5453: }
5454:
5455: inline void pcbios_int_16h_13h()
5456: {
5457: static UINT16 status = 0;
5458:
5459: switch(REG8(AL)) {
5460: case 0x00:
5461: status = REG16(DX);
5462: break;
5463: case 0x01:
5464: REG16(DX) = status;
5465: break;
5466: default:
1.1.1.22 root 5467: 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 5468: m_CF = 1;
1.1 root 5469: break;
5470: }
5471: }
5472:
5473: inline void pcbios_int_16h_14h()
5474: {
5475: static UINT8 status = 0;
5476:
5477: switch(REG8(AL)) {
5478: case 0x00:
5479: case 0x01:
5480: status = REG8(AL);
5481: break;
5482: case 0x02:
5483: REG8(AL) = status;
5484: break;
5485: default:
1.1.1.22 root 5486: 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 5487: m_CF = 1;
1.1 root 5488: break;
5489: }
5490: }
5491:
1.1.1.24 root 5492: inline void pcbios_int_16h_55h()
5493: {
5494: switch(REG8(AL)) {
5495: case 0x00:
5496: // keyboard tsr is not present
5497: break;
5498: case 0xfe:
5499: // handlers for INT 08, INT 09, INT 16, INT 1B, and INT 1C are installed
5500: break;
5501: case 0xff:
5502: break;
5503: default:
5504: 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));
5505: m_CF = 1;
5506: break;
5507: }
5508: }
5509:
1.1.1.30! root 5510: inline void pcbios_int_16h_6fh()
! 5511: {
! 5512: switch(REG8(AL)) {
! 5513: case 0x00:
! 5514: // HP Vectra EX-BIOS - "F16_INQUIRE" - Extended BIOS is not installed
! 5515: break;
! 5516: default:
! 5517: 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));
! 5518: m_CF = 1;
! 5519: break;
! 5520: }
! 5521: }
! 5522:
1.1 root 5523: inline void pcbios_int_1ah_00h()
5524: {
1.1.1.19 root 5525: pcbios_update_daily_timer_counter(timeGetTime());
5526: REG16(CX) = *(UINT16 *)(mem + 0x46e);
5527: REG16(DX) = *(UINT16 *)(mem + 0x46c);
5528: REG8(AL) = mem[0x470];
5529: mem[0x470] = 0;
1.1 root 5530: }
5531:
5532: inline int to_bcd(int t)
5533: {
5534: int u = (t % 100) / 10;
5535: return (u << 4) | (t % 10);
5536: }
5537:
5538: inline void pcbios_int_1ah_02h()
5539: {
5540: SYSTEMTIME time;
5541:
5542: GetLocalTime(&time);
5543: REG8(CH) = to_bcd(time.wHour);
5544: REG8(CL) = to_bcd(time.wMinute);
5545: REG8(DH) = to_bcd(time.wSecond);
5546: REG8(DL) = 0x00;
5547: }
5548:
5549: inline void pcbios_int_1ah_04h()
5550: {
5551: SYSTEMTIME time;
5552:
5553: GetLocalTime(&time);
5554: REG8(CH) = to_bcd(time.wYear / 100);
5555: REG8(CL) = to_bcd(time.wYear);
5556: REG8(DH) = to_bcd(time.wMonth);
5557: REG8(DL) = to_bcd(time.wDay);
5558: }
5559:
5560: inline void pcbios_int_1ah_0ah()
5561: {
5562: SYSTEMTIME time;
5563: FILETIME file_time;
5564: WORD dos_date, dos_time;
5565:
5566: GetLocalTime(&time);
5567: SystemTimeToFileTime(&time, &file_time);
5568: FileTimeToDosDateTime(&file_time, &dos_date, &dos_time);
5569: REG16(CX) = dos_date;
5570: }
5571:
5572: // msdos system call
5573:
5574: inline void msdos_int_21h_00h()
5575: {
1.1.1.3 root 5576: msdos_process_terminate(SREG(CS), retval, 1);
1.1 root 5577: }
5578:
5579: inline void msdos_int_21h_01h()
5580: {
5581: REG8(AL) = msdos_getche();
1.1.1.26 root 5582: ctrl_c_detected = ctrl_c_pressed;
5583:
1.1.1.8 root 5584: // some seconds may be passed in console
1.1 root 5585: hardware_update();
5586: }
5587:
5588: inline void msdos_int_21h_02h()
5589: {
5590: msdos_putch(REG8(DL));
1.1.1.26 root 5591: ctrl_c_detected = ctrl_c_pressed;
1.1 root 5592: }
5593:
5594: inline void msdos_int_21h_03h()
5595: {
5596: REG8(AL) = msdos_aux_in();
5597: }
5598:
5599: inline void msdos_int_21h_04h()
5600: {
5601: msdos_aux_out(REG8(DL));
5602: }
5603:
5604: inline void msdos_int_21h_05h()
5605: {
5606: msdos_prn_out(REG8(DL));
5607: }
5608:
5609: inline void msdos_int_21h_06h()
5610: {
5611: if(REG8(DL) == 0xff) {
5612: if(msdos_kbhit()) {
5613: REG8(AL) = msdos_getch();
1.1.1.3 root 5614: #if defined(HAS_I386)
5615: m_ZF = 0;
5616: #else
5617: m_ZeroVal = 1;
5618: #endif
1.1 root 5619: } else {
5620: REG8(AL) = 0;
1.1.1.3 root 5621: #if defined(HAS_I386)
5622: m_ZF = 1;
5623: #else
5624: m_ZeroVal = 0;
5625: #endif
1.1.1.14 root 5626: maybe_idle();
1.1 root 5627: }
5628: } else {
5629: msdos_putch(REG8(DL));
5630: }
5631: }
5632:
5633: inline void msdos_int_21h_07h()
5634: {
5635: REG8(AL) = msdos_getch();
1.1.1.26 root 5636:
1.1.1.8 root 5637: // some seconds may be passed in console
1.1 root 5638: hardware_update();
5639: }
5640:
5641: inline void msdos_int_21h_08h()
5642: {
5643: REG8(AL) = msdos_getch();
1.1.1.26 root 5644: ctrl_c_detected = ctrl_c_pressed;
5645:
1.1.1.8 root 5646: // some seconds may be passed in console
1.1 root 5647: hardware_update();
5648: }
5649:
5650: inline void msdos_int_21h_09h()
5651: {
1.1.1.21 root 5652: msdos_stdio_reopen();
5653:
1.1.1.20 root 5654: process_t *process = msdos_process_info_get(current_psp);
5655: int fd = msdos_psp_get_file_table(1, current_psp);
5656:
1.1.1.14 root 5657: char *str = (char *)(mem + SREG_BASE(DS) + REG16(DX));
5658: int len = 0;
1.1 root 5659:
1.1.1.14 root 5660: while(str[len] != '$' && len < 0x10000) {
5661: len++;
5662: }
1.1.1.20 root 5663: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 5664: // stdout is redirected to file
1.1.1.20 root 5665: msdos_write(fd, str, len);
1.1 root 5666: } else {
5667: for(int i = 0; i < len; i++) {
1.1.1.14 root 5668: msdos_putch(str[i]);
1.1 root 5669: }
5670: }
1.1.1.26 root 5671: ctrl_c_detected = ctrl_c_pressed;
1.1 root 5672: }
5673:
5674: inline void msdos_int_21h_0ah()
5675: {
1.1.1.3 root 5676: int ofs = SREG_BASE(DS) + REG16(DX);
1.1 root 5677: int max = mem[ofs] - 1;
5678: UINT8 *buf = mem + ofs + 2;
5679: int chr, p = 0;
5680:
5681: while((chr = msdos_getch()) != 0x0d) {
1.1.1.26 root 5682: if(ctrl_c_pressed) {
5683: p = 0;
5684: msdos_putch(chr);
5685: break;
5686: } else if(chr == 0x00) {
1.1 root 5687: // skip 2nd byte
5688: msdos_getch();
5689: } else if(chr == 0x08) {
5690: // back space
5691: if(p > 0) {
5692: p--;
1.1.1.20 root 5693: if(msdos_ctrl_code_check(buf[p])) {
5694: msdos_putch(chr);
5695: msdos_putch(chr);
5696: msdos_putch(' ');
5697: msdos_putch(' ');
5698: msdos_putch(chr);
5699: msdos_putch(chr);
5700: } else {
5701: msdos_putch(chr);
5702: msdos_putch(' ');
5703: msdos_putch(chr);
5704: }
1.1 root 5705: }
5706: } else if(p < max) {
5707: buf[p++] = chr;
5708: msdos_putch(chr);
5709: }
5710: }
5711: buf[p] = 0x0d;
5712: mem[ofs + 1] = p;
1.1.1.26 root 5713: ctrl_c_detected = ctrl_c_pressed;
5714:
1.1.1.8 root 5715: // some seconds may be passed in console
1.1 root 5716: hardware_update();
5717: }
5718:
5719: inline void msdos_int_21h_0bh()
5720: {
5721: if(msdos_kbhit()) {
5722: REG8(AL) = 0xff;
5723: } else {
5724: REG8(AL) = 0x00;
1.1.1.14 root 5725: maybe_idle();
1.1 root 5726: }
1.1.1.26 root 5727: ctrl_c_detected = ctrl_c_pressed;
1.1 root 5728: }
5729:
5730: inline void msdos_int_21h_0ch()
5731: {
5732: // clear key buffer
1.1.1.21 root 5733: msdos_stdio_reopen();
5734:
1.1.1.20 root 5735: process_t *process = msdos_process_info_get(current_psp);
5736: int fd = msdos_psp_get_file_table(0, current_psp);
5737:
5738: if(fd < process->max_files && file_handler[fd].valid && !file_handler[fd].atty) {
1.1 root 5739: // stdin is redirected to file
5740: } else {
5741: while(msdos_kbhit()) {
5742: msdos_getch();
5743: }
5744: }
5745:
5746: switch(REG8(AL)) {
5747: case 0x01:
5748: msdos_int_21h_01h();
5749: break;
5750: case 0x06:
5751: msdos_int_21h_06h();
5752: break;
5753: case 0x07:
5754: msdos_int_21h_07h();
5755: break;
5756: case 0x08:
5757: msdos_int_21h_08h();
5758: break;
5759: case 0x0a:
5760: msdos_int_21h_0ah();
5761: break;
5762: default:
1.1.1.22 root 5763: // 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));
5764: // REG16(AX) = 0x01;
5765: // m_CF = 1;
1.1 root 5766: break;
5767: }
5768: }
5769:
5770: inline void msdos_int_21h_0dh()
5771: {
5772: }
5773:
5774: inline void msdos_int_21h_0eh()
5775: {
5776: if(REG8(DL) < 26) {
5777: _chdrive(REG8(DL) + 1);
5778: msdos_cds_update(REG8(DL));
1.1.1.23 root 5779: msdos_sda_update(current_psp);
1.1 root 5780: }
5781: REG8(AL) = 26; // zdrive
5782: }
5783:
1.1.1.14 root 5784: inline void msdos_int_21h_0fh()
5785: {
5786: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
5787: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
5788: char *path = msdos_fcb_path(fcb);
5789: 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 5790:
1.1.1.14 root 5791: if(hFile == INVALID_HANDLE_VALUE) {
5792: REG8(AL) = 0xff;
5793: } else {
5794: REG8(AL) = 0;
5795: fcb->current_block = 0;
5796: fcb->record_size = 128;
5797: fcb->file_size = GetFileSize(hFile, NULL);
5798: fcb->handle = hFile;
5799: fcb->cur_record = 0;
5800: }
5801: }
5802:
5803: inline void msdos_int_21h_10h()
5804: {
5805: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
5806: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
5807:
5808: REG8(AL) = CloseHandle(fcb->handle) ? 0 : 0xff;
5809: }
5810:
1.1 root 5811: inline void msdos_int_21h_11h()
5812: {
1.1.1.3 root 5813: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
5814: fcb_t *fcb = (fcb_t *)(mem + SREG_BASE(DS) + REG16(DX) + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 5815:
5816: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 5817: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
5818: ext_fcb_t *ext_find = (ext_fcb_t *)(mem + dta_laddr);
5819: find_fcb_t *find = (find_fcb_t *)(mem + dta_laddr + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 5820: char *path = msdos_fcb_path(fcb);
5821: WIN32_FIND_DATA fd;
5822:
1.1.1.13 root 5823: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, dta_laddr);
5824: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
5825: FindClose(dtainfo->find_handle);
5826: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 5827: }
5828: strcpy(process->volume_label, msdos_volume_label(path));
1.1.1.14 root 5829: dtainfo->allowable_mask = (ext_fcb->flag == 0xff) ? ext_fcb->attribute : 0x20;
5830: bool label_only = (dtainfo->allowable_mask == 8);
1.1 root 5831:
1.1.1.14 root 5832: if((dtainfo->allowable_mask & 8) && !msdos_match_volume_label(path, msdos_short_volume_label(process->volume_label))) {
5833: dtainfo->allowable_mask &= ~8;
1.1 root 5834: }
1.1.1.14 root 5835: if(!label_only && (dtainfo->find_handle = FindFirstFile(path, &fd)) != INVALID_HANDLE_VALUE) {
5836: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 5837: !msdos_find_file_has_8dot3name(&fd)) {
5838: if(!FindNextFile(dtainfo->find_handle, &fd)) {
5839: FindClose(dtainfo->find_handle);
5840: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 5841: break;
5842: }
5843: }
5844: }
1.1.1.13 root 5845: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 5846: if(ext_fcb->flag == 0xff) {
5847: ext_find->flag = 0xff;
5848: memset(ext_find->reserved, 0, 5);
5849: ext_find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
5850: }
5851: find->drive = _getdrive();
1.1.1.13 root 5852: msdos_set_fcb_path((fcb_t *)find, msdos_short_name(&fd));
1.1 root 5853: find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
5854: find->nt_res = 0;
5855: msdos_find_file_conv_local_time(&fd);
5856: find->create_time_ms = 0;
5857: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
5858: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
5859: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
5860: find->cluster_hi = find->cluster_lo = 0;
5861: find->file_size = fd.nFileSizeLow;
5862: REG8(AL) = 0x00;
1.1.1.14 root 5863: } else if(dtainfo->allowable_mask & 8) {
1.1 root 5864: if(ext_fcb->flag == 0xff) {
5865: ext_find->flag = 0xff;
5866: memset(ext_find->reserved, 0, 5);
5867: ext_find->attribute = 8;
5868: }
5869: find->drive = _getdrive();
5870: msdos_set_fcb_path((fcb_t *)find, msdos_short_volume_label(process->volume_label));
5871: find->attribute = 8;
5872: find->nt_res = 0;
5873: msdos_find_file_conv_local_time(&fd);
5874: find->create_time_ms = 0;
5875: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
5876: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
5877: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
5878: find->cluster_hi = find->cluster_lo = 0;
5879: find->file_size = 0;
1.1.1.14 root 5880: dtainfo->allowable_mask &= ~8;
1.1 root 5881: REG8(AL) = 0x00;
5882: } else {
5883: REG8(AL) = 0xff;
5884: }
5885: }
5886:
5887: inline void msdos_int_21h_12h()
5888: {
1.1.1.3 root 5889: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
1.1.1.14 root 5890: // fcb_t *fcb = (fcb_t *)(mem + SREG_BASE(DS) + REG16(DX) + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 5891:
5892: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 5893: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
5894: ext_fcb_t *ext_find = (ext_fcb_t *)(mem + dta_laddr);
5895: find_fcb_t *find = (find_fcb_t *)(mem + dta_laddr + (ext_fcb->flag == 0xff ? 7 : 0));
1.1 root 5896: WIN32_FIND_DATA fd;
5897:
1.1.1.13 root 5898: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, dta_laddr);
5899: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
5900: if(FindNextFile(dtainfo->find_handle, &fd)) {
1.1.1.14 root 5901: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 5902: !msdos_find_file_has_8dot3name(&fd)) {
5903: if(!FindNextFile(dtainfo->find_handle, &fd)) {
5904: FindClose(dtainfo->find_handle);
5905: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 5906: break;
5907: }
5908: }
5909: } else {
1.1.1.13 root 5910: FindClose(dtainfo->find_handle);
5911: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 5912: }
5913: }
1.1.1.13 root 5914: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 5915: if(ext_fcb->flag == 0xff) {
5916: ext_find->flag = 0xff;
5917: memset(ext_find->reserved, 0, 5);
5918: ext_find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
5919: }
5920: find->drive = _getdrive();
1.1.1.13 root 5921: msdos_set_fcb_path((fcb_t *)find, msdos_short_name(&fd));
1.1 root 5922: find->attribute = (UINT8)(fd.dwFileAttributes & 0x3f);
5923: find->nt_res = 0;
5924: msdos_find_file_conv_local_time(&fd);
5925: find->create_time_ms = 0;
5926: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
5927: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
5928: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
5929: find->cluster_hi = find->cluster_lo = 0;
5930: find->file_size = fd.nFileSizeLow;
5931: REG8(AL) = 0x00;
1.1.1.14 root 5932: } else if(dtainfo->allowable_mask & 8) {
1.1 root 5933: if(ext_fcb->flag == 0xff) {
5934: ext_find->flag = 0xff;
5935: memset(ext_find->reserved, 0, 5);
5936: ext_find->attribute = 8;
5937: }
5938: find->drive = _getdrive();
5939: msdos_set_fcb_path((fcb_t *)find, msdos_short_volume_label(process->volume_label));
5940: find->attribute = 8;
5941: find->nt_res = 0;
5942: msdos_find_file_conv_local_time(&fd);
5943: find->create_time_ms = 0;
5944: FileTimeToDosDateTime(&fd.ftCreationTime, &find->creation_date, &find->creation_time);
5945: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->last_access_date, &find->last_write_time);
5946: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->last_write_date, &find->last_write_time);
5947: find->cluster_hi = find->cluster_lo = 0;
5948: find->file_size = 0;
1.1.1.14 root 5949: dtainfo->allowable_mask &= ~8;
1.1 root 5950: REG8(AL) = 0x00;
5951: } else {
5952: REG8(AL) = 0xff;
5953: }
5954: }
5955:
5956: inline void msdos_int_21h_13h()
5957: {
1.1.1.3 root 5958: if(remove(msdos_fcb_path((fcb_t *)(mem + SREG_BASE(DS) + REG16(DX))))) {
1.1 root 5959: REG8(AL) = 0xff;
5960: } else {
5961: REG8(AL) = 0x00;
5962: }
5963: }
5964:
1.1.1.16 root 5965: inline void msdos_int_21h_14h()
5966: {
5967: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
5968: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
5969: process_t *process = msdos_process_info_get(current_psp);
5970: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
5971: DWORD num = 0;
5972:
5973: memset(mem + dta_laddr, 0, fcb->record_size);
5974: if(!ReadFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL) || num == 0) {
5975: REG8(AL) = 1;
5976: } else {
5977: UINT32 position = fcb->current_block * fcb->record_size + fcb->cur_record + num;
5978: fcb->current_block = (position & 0xffffff) / fcb->record_size;
5979: fcb->cur_record = (position & 0xffffff) % fcb->record_size;
5980: REG8(AL) = (num == fcb->record_size) ? 0 : 3;
5981: }
5982: }
5983:
5984: inline void msdos_int_21h_15h()
1.1.1.14 root 5985: {
5986: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
5987: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
1.1.1.16 root 5988: process_t *process = msdos_process_info_get(current_psp);
5989: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
5990: DWORD num = 0;
1.1.1.14 root 5991:
1.1.1.16 root 5992: if(!WriteFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL) || num == 0) {
5993: REG8(AL) = 1;
5994: } else {
5995: fcb->file_size = GetFileSize(fcb->handle, NULL);
5996: UINT32 position = fcb->current_block * fcb->record_size + fcb->cur_record + num;
5997: fcb->current_block = (position & 0xffffff) / fcb->record_size;
5998: fcb->cur_record = (position & 0xffffff) % fcb->record_size;
5999: REG8(AL) = (num == fcb->record_size) ? 0 : 1;
6000: }
6001: }
6002:
6003: inline void msdos_int_21h_16h()
6004: {
6005: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
6006: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
1.1.1.14 root 6007: char *path = msdos_fcb_path(fcb);
6008: 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 6009:
1.1.1.14 root 6010: if(hFile == INVALID_HANDLE_VALUE) {
6011: REG8(AL) = 0xff;
6012: } else {
6013: REG8(AL) = 0;
6014: fcb->current_block = 0;
6015: fcb->record_size = 128;
6016: fcb->file_size = 0;
6017: fcb->handle = hFile;
6018: fcb->cur_record = 0;
6019: }
6020: }
6021:
1.1.1.16 root 6022: inline void msdos_int_21h_17h()
6023: {
6024: ext_fcb_t *ext_fcb_src = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
6025: fcb_t *fcb_src = (fcb_t *)(ext_fcb_src + (ext_fcb_src->flag == 0xff ? 1 : 0));
6026: char *path_src = msdos_fcb_path(fcb_src);
6027: ext_fcb_t *ext_fcb_dst = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX) + 16);
6028: fcb_t *fcb_dst = (fcb_t *)(ext_fcb_dst + (ext_fcb_dst->flag == 0xff ? 1 : 0));
6029: char *path_dst = msdos_fcb_path(fcb_dst);
6030:
6031: if(rename(path_src, path_dst)) {
6032: REG8(AL) = 0xff;
6033: } else {
6034: REG8(AL) = 0;
6035: }
6036: }
6037:
1.1 root 6038: inline void msdos_int_21h_18h()
6039: {
6040: REG8(AL) = 0x00;
6041: }
6042:
6043: inline void msdos_int_21h_19h()
6044: {
6045: REG8(AL) = _getdrive() - 1;
6046: }
6047:
6048: inline void msdos_int_21h_1ah()
6049: {
6050: process_t *process = msdos_process_info_get(current_psp);
6051:
6052: process->dta.w.l = REG16(DX);
1.1.1.3 root 6053: process->dta.w.h = SREG(DS);
1.1.1.23 root 6054: msdos_sda_update(current_psp);
1.1 root 6055: }
6056:
6057: inline void msdos_int_21h_1bh()
6058: {
6059: int drive_num = _getdrive() - 1;
6060: UINT16 seg, ofs;
6061:
6062: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
6063: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
6064: REG8(AL) = dpb->highest_sector_num + 1;
6065: REG16(CX) = dpb->bytes_per_sector;
6066: REG16(DX) = dpb->highest_cluster_num - 1;
1.1.1.3 root 6067: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(BX)) = dpb->media_type;
1.1 root 6068: } else {
6069: REG8(AL) = 0xff;
1.1.1.3 root 6070: m_CF = 1;
1.1 root 6071: }
6072:
6073: }
6074:
6075: inline void msdos_int_21h_1ch()
6076: {
6077: int drive_num = REG8(DL) ? (REG8(DL) - 1) : (_getdrive() - 1);
6078: UINT16 seg, ofs;
6079:
6080: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
6081: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
6082: REG8(AL) = dpb->highest_sector_num + 1;
6083: REG16(CX) = dpb->bytes_per_sector;
6084: REG16(DX) = dpb->highest_cluster_num - 1;
1.1.1.3 root 6085: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(BX)) = dpb->media_type;
1.1 root 6086: } else {
6087: REG8(AL) = 0xff;
1.1.1.3 root 6088: m_CF = 1;
1.1 root 6089: }
6090:
6091: }
6092:
6093: inline void msdos_int_21h_1dh()
6094: {
6095: REG8(AL) = 0;
6096: }
6097:
6098: inline void msdos_int_21h_1eh()
6099: {
6100: REG8(AL) = 0;
6101: }
6102:
6103: inline void msdos_int_21h_1fh()
6104: {
6105: int drive_num = _getdrive() - 1;
6106: UINT16 seg, ofs;
6107:
6108: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
6109: REG8(AL) = 0;
1.1.1.3 root 6110: SREG(DS) = seg;
6111: i386_load_segment_descriptor(DS);
1.1 root 6112: REG16(BX) = ofs;
6113: } else {
6114: REG8(AL) = 0xff;
1.1.1.3 root 6115: m_CF = 1;
1.1 root 6116: }
6117: }
6118:
6119: inline void msdos_int_21h_20h()
6120: {
6121: REG8(AL) = 0;
6122: }
6123:
1.1.1.14 root 6124: inline void msdos_int_21h_21h()
6125: {
6126: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
6127: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
6128:
6129: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
6130: REG8(AL) = 1;
6131: } else {
6132: process_t *process = msdos_process_info_get(current_psp);
6133: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
6134: memset(mem + dta_laddr, 0, fcb->record_size);
1.1.1.16 root 6135: DWORD num = 0;
1.1.1.14 root 6136: if(!ReadFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL) || num == 0) {
6137: REG8(AL) = 1;
6138: } else {
6139: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
6140: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
1.1.1.16 root 6141: REG8(AL) = (num == fcb->record_size) ? 0 : 3;
1.1.1.14 root 6142: }
6143: }
6144: }
6145:
6146: inline void msdos_int_21h_22h()
6147: {
6148: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
6149: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
6150:
6151: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
6152: REG8(AL) = 0xff;
6153: } else {
6154: process_t *process = msdos_process_info_get(current_psp);
6155: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
1.1.1.16 root 6156: DWORD num = 0;
1.1.1.14 root 6157: WriteFile(fcb->handle, mem + dta_laddr, fcb->record_size, &num, NULL);
6158: fcb->file_size = GetFileSize(fcb->handle, NULL);
6159: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
6160: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
1.1.1.16 root 6161: REG8(AL) = (num == fcb->record_size) ? 0 : 1;
1.1.1.14 root 6162: }
6163: }
6164:
1.1.1.16 root 6165: inline void msdos_int_21h_23h()
6166: {
6167: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
6168: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
6169: char *path = msdos_fcb_path(fcb);
6170: HANDLE hFile = CreateFile(path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
6171:
6172: if(hFile == INVALID_HANDLE_VALUE) {
6173: REG8(AL) = 0xff;
6174: } else {
6175: UINT32 size = GetFileSize(hFile, NULL);
6176: fcb->rand_record = size / fcb->record_size + ((size % fcb->record_size) != 0);
6177: REG8(AL) = 0;
6178: }
6179: }
6180:
6181: inline void msdos_int_21h_24h()
6182: {
6183: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
6184: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
6185:
6186: fcb->rand_record = fcb->current_block * fcb->record_size + fcb->cur_record;
6187: }
6188:
1.1 root 6189: inline void msdos_int_21h_25h()
6190: {
6191: *(UINT16 *)(mem + 4 * REG8(AL) + 0) = REG16(DX);
1.1.1.3 root 6192: *(UINT16 *)(mem + 4 * REG8(AL) + 2) = SREG(DS);
1.1 root 6193: }
6194:
6195: inline void msdos_int_21h_26h()
6196: {
6197: psp_t *psp = (psp_t *)(mem + (REG16(DX) << 4));
6198:
6199: memcpy(mem + (REG16(DX) << 4), mem + (current_psp << 4), sizeof(psp_t));
6200: psp->first_mcb = REG16(DX) + 16;
6201: psp->int_22h.dw = *(UINT32 *)(mem + 4 * 0x22);
6202: psp->int_23h.dw = *(UINT32 *)(mem + 4 * 0x23);
6203: psp->int_24h.dw = *(UINT32 *)(mem + 4 * 0x24);
6204: psp->parent_psp = 0;
6205: }
6206:
1.1.1.16 root 6207: inline void msdos_int_21h_27h()
6208: {
6209: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
6210: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
6211:
6212: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
6213: REG8(AL) = 1;
6214: } else {
6215: process_t *process = msdos_process_info_get(current_psp);
6216: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
6217: memset(mem + dta_laddr, 0, fcb->record_size * REG16(CX));
6218: DWORD num = 0;
6219: if(!ReadFile(fcb->handle, mem + dta_laddr, fcb->record_size * REG16(CX), &num, NULL) || num == 0) {
6220: REG8(AL) = 1;
6221: } else {
6222: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
6223: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
6224: REG8(AL) = (num == fcb->record_size) ? 0 : 3;
6225: REG16(CX) = num / fcb->record_size + ((num % fcb->record_size) != 0);
6226: }
6227: }
6228: }
6229:
6230: inline void msdos_int_21h_28h()
6231: {
6232: ext_fcb_t *ext_fcb = (ext_fcb_t *)(mem + SREG_BASE(DS) + REG16(DX));
6233: fcb_t *fcb = (fcb_t *)(ext_fcb + (ext_fcb->flag == 0xff ? 1 : 0));
6234:
6235: if(SetFilePointer(fcb->handle, fcb->record_size * (fcb->rand_record & 0xffffff), NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
6236: REG8(AL) = 0xff;
6237: } else {
6238: process_t *process = msdos_process_info_get(current_psp);
6239: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
6240: DWORD num = 0;
6241: WriteFile(fcb->handle, mem + dta_laddr, fcb->record_size * REG16(CX), &num, NULL);
6242: fcb->file_size = GetFileSize(fcb->handle, NULL);
6243: fcb->current_block = (fcb->rand_record & 0xffffff) / fcb->record_size;
6244: fcb->cur_record = (fcb->rand_record & 0xffffff) % fcb->record_size;
6245: REG8(AL) = (num == fcb->record_size) ? 0 : 1;
6246: REG16(CX) = num / fcb->record_size + ((num % fcb->record_size) != 0);
6247: }
6248: }
6249:
1.1 root 6250: inline void msdos_int_21h_29h()
6251: {
1.1.1.20 root 6252: int ofs = 0;//SREG_BASE(DS) + REG16(SI);
6253: char buffer[1024], name[MAX_PATH], ext[MAX_PATH];
1.1 root 6254: UINT8 drv = 0;
6255: char sep_chars[] = ":.;,=+";
6256: char end_chars[] = "\\<>|/\"[]";
6257: char spc_chars[] = " \t";
6258:
1.1.1.20 root 6259: memcpy(buffer, mem + SREG_BASE(DS) + REG16(SI), 1023);
6260: buffer[1023] = 0;
6261: memset(name, 0x20, sizeof(name));
6262: memset(ext, 0x20, sizeof(ext));
6263:
1.1 root 6264: if(REG8(AL) & 1) {
1.1.1.20 root 6265: ofs += strspn((char *)(buffer + ofs), spc_chars);
6266: if(my_strchr(sep_chars, buffer[ofs]) && buffer[ofs] != '\0') {
1.1 root 6267: ofs++;
6268: }
6269: }
1.1.1.20 root 6270: ofs += strspn((char *)(buffer + ofs), spc_chars);
1.1 root 6271:
1.1.1.24 root 6272: if(buffer[ofs + 1] == ':') {
6273: if(buffer[ofs] >= 'a' && buffer[ofs] <= 'z') {
6274: drv = buffer[ofs] - 'a' + 1;
1.1.1.20 root 6275: ofs += 2;
1.1.1.24 root 6276: if(buffer[ofs] == '\\' || buffer[ofs] == '/') {
6277: ofs++;
6278: }
6279: } else if(buffer[ofs] >= 'A' && buffer[ofs] <= 'Z') {
6280: drv = buffer[ofs] - 'A' + 1;
1.1 root 6281: ofs += 2;
1.1.1.24 root 6282: if(buffer[ofs] == '\\' || buffer[ofs] == '/') {
6283: ofs++;
6284: }
1.1 root 6285: }
6286: }
1.1.1.20 root 6287: for(int i = 0, is_kanji = 0; i < MAX_PATH; i++) {
6288: UINT8 c = buffer[ofs];
6289: if(is_kanji) {
6290: is_kanji = 0;
6291: } else if(msdos_lead_byte_check(c)) {
6292: is_kanji = 1;
6293: } else if(c <= 0x20 || my_strchr(end_chars, c) || my_strchr(sep_chars, c)) {
1.1 root 6294: break;
6295: } else if(c >= 'a' && c <= 'z') {
6296: c -= 0x20;
6297: }
6298: ofs++;
6299: name[i] = c;
6300: }
1.1.1.20 root 6301: if(buffer[ofs] == '.') {
1.1 root 6302: ofs++;
1.1.1.20 root 6303: for(int i = 0, is_kanji = 0; i < MAX_PATH; i++) {
6304: UINT8 c = buffer[ofs];
6305: if(is_kanji) {
6306: is_kanji = 0;
6307: } else if(msdos_lead_byte_check(c)) {
6308: is_kanji = 1;
6309: } else if(c <= 0x20 || my_strchr(end_chars, c) || my_strchr(sep_chars, c)) {
1.1 root 6310: break;
6311: } else if(c >= 'a' && c <= 'z') {
6312: c -= 0x20;
6313: }
6314: ofs++;
6315: ext[i] = c;
6316: }
6317: }
1.1.1.20 root 6318: int si = REG16(SI) + ofs;
1.1.1.3 root 6319: int ds = SREG(DS);
1.1 root 6320: while(si > 0xffff) {
6321: si -= 0x10;
6322: ds++;
6323: }
6324: REG16(SI) = si;
1.1.1.3 root 6325: SREG(DS) = ds;
6326: i386_load_segment_descriptor(DS);
1.1 root 6327:
1.1.1.3 root 6328: UINT8 *fcb = mem + SREG_BASE(ES) + REG16(DI);
1.1.1.20 root 6329: if(!(REG8(AL) & 2) || drv != 0) {
6330: fcb[0] = drv;
6331: }
6332: if(!(REG8(AL) & 4) || name[0] != 0x20) {
6333: memcpy(fcb + 1, name, 8);
6334: }
6335: if(!(REG8(AL) & 8) || ext[0] != 0x20) {
6336: memcpy(fcb + 9, ext, 3);
6337: }
6338: for(int i = 1, found_star = 0; i < 1 + 8; i++) {
1.1 root 6339: if(fcb[i] == '*') {
6340: found_star = 1;
6341: }
6342: if(found_star) {
6343: fcb[i] = '?';
6344: }
6345: }
1.1.1.20 root 6346: for(int i = 9, found_star = 0; i < 9 + 3; i++) {
1.1 root 6347: if(fcb[i] == '*') {
6348: found_star = 1;
6349: }
6350: if(found_star) {
6351: fcb[i] = '?';
6352: }
6353: }
6354:
6355: if(drv == 0 || (drv > 0 && drv <= 26 && (GetLogicalDrives() & ( 1 << (drv - 1) )))) {
6356: if(memchr(fcb + 1, '?', 8 + 3)) {
6357: REG8(AL) = 0x01;
1.1.1.20 root 6358: } else {
6359: REG8(AL) = 0x00;
1.1 root 6360: }
6361: } else {
6362: REG8(AL) = 0xff;
6363: }
6364: }
6365:
6366: inline void msdos_int_21h_2ah()
6367: {
6368: SYSTEMTIME sTime;
6369:
6370: GetLocalTime(&sTime);
6371: REG16(CX) = sTime.wYear;
6372: REG8(DH) = (UINT8)sTime.wMonth;
6373: REG8(DL) = (UINT8)sTime.wDay;
6374: REG8(AL) = (UINT8)sTime.wDayOfWeek;
6375: }
6376:
6377: inline void msdos_int_21h_2bh()
6378: {
1.1.1.14 root 6379: REG8(AL) = 0xff;
1.1 root 6380: }
6381:
6382: inline void msdos_int_21h_2ch()
6383: {
6384: SYSTEMTIME sTime;
6385:
6386: GetLocalTime(&sTime);
6387: REG8(CH) = (UINT8)sTime.wHour;
6388: REG8(CL) = (UINT8)sTime.wMinute;
6389: REG8(DH) = (UINT8)sTime.wSecond;
1.1.1.14 root 6390: REG8(DL) = (UINT8)sTime.wMilliseconds / 10;
1.1 root 6391: }
6392:
6393: inline void msdos_int_21h_2dh()
6394: {
6395: REG8(AL) = 0x00;
6396: }
6397:
6398: inline void msdos_int_21h_2eh()
6399: {
6400: process_t *process = msdos_process_info_get(current_psp);
6401:
6402: process->verify = REG8(AL);
6403: }
6404:
6405: inline void msdos_int_21h_2fh()
6406: {
6407: process_t *process = msdos_process_info_get(current_psp);
6408:
6409: REG16(BX) = process->dta.w.l;
1.1.1.3 root 6410: SREG(ES) = process->dta.w.h;
6411: i386_load_segment_descriptor(ES);
1.1 root 6412: }
6413:
6414: inline void msdos_int_21h_30h()
6415: {
6416: // Version Flag / OEM
1.1.1.27 root 6417: if(REG8(AL) == 0x01) {
1.1.1.29 root 6418: #ifdef SUPPORT_HMA
6419: REG16(BX) = 0x0000;
6420: #else
6421: REG16(BX) = 0x1000; // DOS is in HMA
6422: #endif
1.1 root 6423: } else {
1.1.1.27 root 6424: // NOTE: EXDEB invites BL shows the machine type (0=PC-98, 1=PC/AT, 2=FMR),
6425: // but this is not correct on Windows 98 SE
6426: // REG16(BX) = 0xff01; // OEM = Microsoft, PC/AT
6427: REG16(BX) = 0xff00; // OEM = Microsoft
1.1 root 6428: }
1.1.1.27 root 6429: REG16(CX) = 0x0000;
1.1.1.30! root 6430: REG8(AL) = dos_major_version; // 7
! 6431: REG8(AH) = dos_minor_version; // 10
1.1 root 6432: }
6433:
6434: inline void msdos_int_21h_31h()
6435: {
1.1.1.29 root 6436: try {
6437: msdos_mem_realloc(current_psp, REG16(DX), NULL);
6438: } catch(...) {
6439: // recover the broken mcb
6440: int mcb_seg = current_psp - 1;
6441: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
6442: if(mcb_seg < (MEMORY_END >> 4)) {
6443: if(((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked & 0x01) {
6444: mcb->mz = 'M';
6445: } else {
6446: mcb->mz = 'Z';
6447: }
1.1.1.30! root 6448: mcb->paragraphs = (MEMORY_END >> 4) - mcb_seg - 2;
1.1.1.29 root 6449: msdos_mcb_create((MEMORY_END >> 4) - 1, 'M', -1, (UMB_TOP >> 4) - (MEMORY_END >> 4));
6450: } else {
6451: mcb->mz = 'Z';
1.1.1.30! root 6452: mcb->paragraphs = (UMB_END >> 4) - mcb_seg - 1;
1.1.1.29 root 6453: }
6454: msdos_mem_realloc(current_psp, REG16(DX), NULL);
6455: }
1.1 root 6456: msdos_process_terminate(current_psp, REG8(AL) | 0x300, 0);
6457: }
6458:
6459: inline void msdos_int_21h_32h()
6460: {
6461: int drive_num = (REG8(DL) == 0) ? (_getdrive() - 1) : (REG8(DL) - 1);
6462: UINT16 seg, ofs;
6463:
6464: if(msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
6465: REG8(AL) = 0;
1.1.1.3 root 6466: SREG(DS) = seg;
6467: i386_load_segment_descriptor(DS);
1.1 root 6468: REG16(BX) = ofs;
6469: } else {
6470: REG8(AL) = 0xff;
1.1.1.3 root 6471: m_CF = 1;
1.1 root 6472: }
6473: }
6474:
6475: inline void msdos_int_21h_33h()
6476: {
6477: char path[MAX_PATH];
6478:
6479: switch(REG8(AL)) {
6480: case 0x00:
1.1.1.26 root 6481: REG8(DL) = ctrl_c_checking;
1.1 root 6482: break;
6483: case 0x01:
1.1.1.26 root 6484: ctrl_c_checking = REG8(DL);
1.1 root 6485: break;
6486: case 0x05:
6487: GetSystemDirectory(path, MAX_PATH);
6488: if(path[0] >= 'a' && path[0] <= 'z') {
6489: REG8(DL) = path[0] - 'a' + 1;
6490: } else {
6491: REG8(DL) = path[0] - 'A' + 1;
6492: }
6493: break;
6494: case 0x06:
1.1.1.2 root 6495: // MS-DOS version (7.10)
1.1 root 6496: REG8(BL) = 7;
1.1.1.2 root 6497: REG8(BH) = 10;
1.1 root 6498: REG8(DL) = 0;
1.1.1.29 root 6499: #ifdef SUPPORT_HMA
6500: REG8(DH) = 0x00;
6501: #else
6502: REG8(DH) = 0x10; // DOS is in HMA
6503: #endif
1.1 root 6504: break;
1.1.1.6 root 6505: case 0x07:
6506: if(REG8(DL) == 0) {
6507: ((dos_info_t *)(mem + DOS_INFO_TOP))->dos_flag &= ~0x20;
6508: } else if(REG8(DL) == 1) {
6509: ((dos_info_t *)(mem + DOS_INFO_TOP))->dos_flag |= 0x20;
6510: }
6511: break;
1.1 root 6512: default:
1.1.1.22 root 6513: 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 6514: REG16(AX) = 0x01;
1.1.1.3 root 6515: m_CF = 1;
1.1 root 6516: break;
6517: }
6518: }
6519:
1.1.1.23 root 6520: inline void msdos_int_21h_34h()
6521: {
6522: SREG(ES) = SDA_TOP >> 4;
6523: i386_load_segment_descriptor(ES);
6524: REG16(BX) = offsetof(sda_t, indos_flag);;
6525: }
6526:
1.1 root 6527: inline void msdos_int_21h_35h()
6528: {
6529: REG16(BX) = *(UINT16 *)(mem + 4 * REG8(AL) + 0);
1.1.1.3 root 6530: SREG(ES) = *(UINT16 *)(mem + 4 * REG8(AL) + 2);
6531: i386_load_segment_descriptor(ES);
1.1 root 6532: }
6533:
6534: inline void msdos_int_21h_36h()
6535: {
6536: struct _diskfree_t df = {0};
6537:
6538: if(_getdiskfree(REG8(DL), &df) == 0) {
6539: REG16(AX) = (UINT16)df.sectors_per_cluster;
6540: REG16(CX) = (UINT16)df.bytes_per_sector;
1.1.1.13 root 6541: REG16(BX) = df.avail_clusters > 0xFFFF ? 0xFFFF : (UINT16)df.avail_clusters;
6542: REG16(DX) = df.total_clusters > 0xFFFF ? 0xFFFF : (UINT16)df.total_clusters;
1.1 root 6543: } else {
6544: REG16(AX) = 0xffff;
6545: }
6546: }
6547:
6548: inline void msdos_int_21h_37h()
6549: {
1.1.1.22 root 6550: static UINT8 dev_flag = 0xff;
1.1 root 6551:
6552: switch(REG8(AL)) {
6553: case 0x00:
1.1.1.22 root 6554: {
6555: process_t *process = msdos_process_info_get(current_psp);
6556: REG8(AL) = 0x00;
6557: REG8(DL) = process->switchar;
6558: }
1.1 root 6559: break;
6560: case 0x01:
1.1.1.22 root 6561: {
6562: process_t *process = msdos_process_info_get(current_psp);
6563: REG8(AL) = 0x00;
6564: process->switchar = REG8(DL);
1.1.1.23 root 6565: msdos_sda_update(current_psp);
1.1.1.22 root 6566: }
6567: break;
6568: case 0x02:
6569: REG8(DL) = dev_flag;
6570: break;
6571: case 0x03:
6572: dev_flag = REG8(DL);
6573: break;
6574: case 0xd0:
6575: case 0xd1:
6576: case 0xd2:
6577: case 0xd3:
6578: case 0xd4:
6579: case 0xd5:
6580: case 0xd6:
6581: case 0xd7:
6582: case 0xdc:
6583: case 0xdd:
6584: case 0xde:
6585: case 0xdf:
6586: // diet ???
6587: REG16(AX) = 1;
1.1 root 6588: break;
6589: default:
1.1.1.22 root 6590: 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 6591: REG16(AX) = 1;
6592: break;
6593: }
6594: }
6595:
1.1.1.19 root 6596: int get_country_info(country_info_t *ci)
1.1.1.17 root 6597: {
6598: char LCdata[80];
6599:
1.1.1.19 root 6600: ZeroMemory(ci, offsetof(country_info_t, reserved));
1.1.1.17 root 6601: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_ICURRDIGITS, LCdata, sizeof(LCdata));
6602: ci->currency_dec_digits = atoi(LCdata);
6603: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_ICURRENCY, LCdata, sizeof(LCdata));
6604: ci->currency_format = *LCdata - '0';
6605: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_IDATE, LCdata, sizeof(LCdata));
6606: ci->date_format = *LCdata - '0';
6607: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SCURRENCY, LCdata, sizeof(LCdata));
6608: memcpy(&ci->currency_symbol, LCdata, 4);
6609: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SDATE, LCdata, sizeof(LCdata));
6610: *ci->date_sep = *LCdata;
6611: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SDECIMAL, LCdata, sizeof(LCdata));
6612: *ci->dec_sep = *LCdata;
6613: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SLIST, LCdata, sizeof(LCdata));
6614: *ci->list_sep = *LCdata;
6615: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_STHOUSAND, LCdata, sizeof(LCdata));
6616: *ci->thou_sep = *LCdata;
6617: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_STIME, LCdata, sizeof(LCdata));
6618: *ci->time_sep = *LCdata;
6619: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_STIMEFORMAT, LCdata, sizeof(LCdata));
6620: if(strchr(LCdata, 'H') != NULL) {
6621: ci->time_format = 1;
6622: }
1.1.1.27 root 6623: ci->case_map.w.l = 0x000a; // dummy case map routine is at fffd:000a
1.1.1.24 root 6624: ci->case_map.w.h = 0xfffd;
1.1.1.17 root 6625: GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_ICOUNTRY, LCdata, sizeof(LCdata));
6626: return atoi(LCdata);
6627: }
6628:
1.1.1.14 root 6629: inline void msdos_int_21h_38h()
6630: {
6631: switch(REG8(AL)) {
6632: case 0x00:
1.1.1.19 root 6633: REG16(BX) = get_country_info((country_info_t *)(mem + SREG_BASE(DS) + REG16(DX)));
1.1.1.14 root 6634: break;
6635: default:
1.1.1.22 root 6636: 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 6637: REG16(AX) = 2;
6638: m_CF = 1;
6639: break;
6640: }
6641: }
6642:
1.1 root 6643: inline void msdos_int_21h_39h(int lfn)
6644: {
1.1.1.3 root 6645: if(_mkdir(msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn))) {
1.1 root 6646: REG16(AX) = errno;
1.1.1.3 root 6647: m_CF = 1;
1.1 root 6648: }
6649: }
6650:
6651: inline void msdos_int_21h_3ah(int lfn)
6652: {
1.1.1.3 root 6653: if(_rmdir(msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn))) {
1.1 root 6654: REG16(AX) = errno;
1.1.1.3 root 6655: m_CF = 1;
1.1 root 6656: }
6657: }
6658:
6659: inline void msdos_int_21h_3bh(int lfn)
6660: {
1.1.1.3 root 6661: if(_chdir(msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn))) {
1.1.1.17 root 6662: REG16(AX) = 3; // must be 3 (path not found)
1.1.1.3 root 6663: m_CF = 1;
1.1 root 6664: }
6665: }
6666:
6667: inline void msdos_int_21h_3ch()
6668: {
1.1.1.3 root 6669: char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 6670: int attr = GetFileAttributes(path);
1.1.1.29 root 6671: int fd = -1, c;
1.1.1.11 root 6672: UINT16 info;
1.1 root 6673:
1.1.1.11 root 6674: if(msdos_is_con_path(path)) {
6675: fd = _open("CON", _O_WRONLY | _O_BINARY);
6676: info = 0x80d3;
1.1.1.29 root 6677: } else if((c = msdos_is_comm_path(path)) != 0 && sio_port_number[c - 1] != 0) {
6678: if((fd = _open(msdos_create_comm_path(path, sio_port_number[c - 1]), _O_WRONLY | _O_BINARY)) == -1) {
6679: fd = _open("NUL", _O_WRONLY | _O_BINARY);
6680: }
1.1.1.14 root 6681: info = 0x80d3;
1.1.1.29 root 6682: } else if(msdos_is_device_path(path)) {
1.1.1.20 root 6683: fd = _open("NUL", _O_WRONLY | _O_BINARY);
6684: info = 0x80d3;
1.1 root 6685: } else {
6686: fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
1.1.1.11 root 6687: info = msdos_drive_number(path);
1.1 root 6688: }
6689: if(fd != -1) {
6690: if(attr == -1) {
6691: attr = msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY;
6692: }
6693: SetFileAttributes(path, attr);
6694: REG16(AX) = fd;
1.1.1.11 root 6695: msdos_file_handler_open(fd, path, _isatty(fd), 2, info, current_psp);
1.1.1.20 root 6696: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 6697: } else {
6698: REG16(AX) = errno;
1.1.1.3 root 6699: m_CF = 1;
1.1 root 6700: }
6701: }
6702:
6703: inline void msdos_int_21h_3dh()
6704: {
1.1.1.3 root 6705: char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 6706: int mode = REG8(AL) & 0x03;
1.1.1.29 root 6707: int fd = -1, c;
1.1.1.11 root 6708: UINT16 info;
1.1 root 6709:
6710: if(mode < 0x03) {
1.1.1.11 root 6711: if(msdos_is_con_path(path)) {
1.1.1.13 root 6712: fd = msdos_open("CON", file_mode[mode].mode);
1.1.1.11 root 6713: info = 0x80d3;
1.1.1.29 root 6714: } else if((c = msdos_is_comm_path(path)) != 0 && sio_port_number[c - 1] != 0) {
6715: if((fd = _open(msdos_create_comm_path(path, sio_port_number[c - 1]), file_mode[mode].mode)) == -1) {
6716: fd = msdos_open("NUL", file_mode[mode].mode);
6717: }
1.1.1.14 root 6718: info = 0x80d3;
1.1.1.29 root 6719: } else if(msdos_is_device_path(path)) {
1.1.1.20 root 6720: fd = msdos_open("NUL", file_mode[mode].mode);
6721: info = 0x80d3;
1.1.1.11 root 6722: } else {
1.1.1.13 root 6723: fd = msdos_open(path, file_mode[mode].mode);
1.1.1.11 root 6724: info = msdos_drive_number(path);
6725: }
1.1 root 6726: if(fd != -1) {
6727: REG16(AX) = fd;
1.1.1.11 root 6728: msdos_file_handler_open(fd, path, _isatty(fd), mode, info, current_psp);
1.1.1.20 root 6729: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 6730: } else {
6731: REG16(AX) = errno;
1.1.1.3 root 6732: m_CF = 1;
1.1 root 6733: }
6734: } else {
6735: REG16(AX) = 0x0c;
1.1.1.3 root 6736: m_CF = 1;
1.1 root 6737: }
6738: }
6739:
6740: inline void msdos_int_21h_3eh()
6741: {
6742: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 6743: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 6744:
1.1.1.20 root 6745: if(fd < process->max_files && file_handler[fd].valid) {
6746: _close(fd);
6747: msdos_file_handler_close(fd);
6748: msdos_psp_set_file_table(REG16(BX), 0x0ff, current_psp);
1.1 root 6749: } else {
6750: REG16(AX) = 0x06;
1.1.1.3 root 6751: m_CF = 1;
1.1 root 6752: }
6753: }
6754:
6755: inline void msdos_int_21h_3fh()
6756: {
6757: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 6758: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 6759:
1.1.1.20 root 6760: if(fd < process->max_files && file_handler[fd].valid) {
6761: if(file_mode[file_handler[fd].mode].in) {
6762: if(file_handler[fd].atty) {
1.1 root 6763: // BX is stdin or is redirected to stdin
1.1.1.3 root 6764: UINT8 *buf = mem + SREG_BASE(DS) + REG16(DX);
1.1 root 6765: int max = REG16(CX);
6766: int p = 0;
6767:
6768: while(max > p) {
6769: int chr = msdos_getch();
6770:
1.1.1.26 root 6771: if(ctrl_c_pressed) {
6772: p = 0;
6773: buf[p++] = 0x0d;
6774: if(max > p) {
6775: buf[p++] = 0x0a;
6776: }
6777: msdos_putch(chr);
6778: msdos_putch('\n');
6779: break;
6780: } else if(chr == 0x00) {
1.1 root 6781: // skip 2nd byte
6782: msdos_getch();
6783: } else if(chr == 0x0d) {
6784: // carriage return
6785: buf[p++] = 0x0d;
6786: if(max > p) {
6787: buf[p++] = 0x0a;
6788: }
1.1.1.14 root 6789: msdos_putch('\n');
1.1 root 6790: break;
6791: } else if(chr == 0x08) {
6792: // back space
6793: if(p > 0) {
6794: p--;
1.1.1.20 root 6795: if(msdos_ctrl_code_check(buf[p])) {
6796: msdos_putch(chr);
6797: msdos_putch(chr);
6798: msdos_putch(' ');
6799: msdos_putch(' ');
6800: msdos_putch(chr);
6801: msdos_putch(chr);
6802: } else {
6803: msdos_putch(chr);
6804: msdos_putch(' ');
6805: msdos_putch(chr);
6806: }
1.1 root 6807: }
6808: } else {
6809: buf[p++] = chr;
6810: msdos_putch(chr);
6811: }
6812: }
6813: REG16(AX) = p;
1.1.1.26 root 6814:
1.1.1.8 root 6815: // some seconds may be passed in console
1.1 root 6816: hardware_update();
6817: } else {
1.1.1.20 root 6818: REG16(AX) = _read(fd, mem + SREG_BASE(DS) + REG16(DX), REG16(CX));
1.1 root 6819: }
6820: } else {
6821: REG16(AX) = 0x05;
1.1.1.3 root 6822: m_CF = 1;
1.1 root 6823: }
6824: } else {
6825: REG16(AX) = 0x06;
1.1.1.3 root 6826: m_CF = 1;
1.1 root 6827: }
6828: }
6829:
6830: inline void msdos_int_21h_40h()
6831: {
6832: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 6833: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 6834:
1.1.1.20 root 6835: if(fd < process->max_files && file_handler[fd].valid) {
6836: if(file_mode[file_handler[fd].mode].out) {
1.1 root 6837: if(REG16(CX)) {
1.1.1.20 root 6838: if(file_handler[fd].atty) {
1.1 root 6839: // BX is stdout/stderr or is redirected to stdout
6840: for(int i = 0; i < REG16(CX); i++) {
1.1.1.3 root 6841: msdos_putch(mem[SREG_BASE(DS) + REG16(DX) + i]);
1.1 root 6842: }
6843: REG16(AX) = REG16(CX);
6844: } else {
1.1.1.20 root 6845: REG16(AX) = msdos_write(fd, mem + SREG_BASE(DS) + REG16(DX), REG16(CX));
1.1 root 6846: }
6847: } else {
1.1.1.20 root 6848: UINT32 pos = _tell(fd);
6849: _lseek(fd, 0, SEEK_END);
6850: UINT32 size = _tell(fd);
1.1.1.12 root 6851: if(pos < size) {
1.1.1.20 root 6852: _lseek(fd, pos, SEEK_SET);
6853: SetEndOfFile((HANDLE)_get_osfhandle(fd));
1.1.1.12 root 6854: } else {
6855: for(UINT32 i = size; i < pos; i++) {
6856: UINT8 tmp = 0;
1.1.1.23 root 6857: msdos_write(fd, &tmp, 1);
1.1.1.12 root 6858: }
1.1.1.20 root 6859: _lseek(fd, pos, SEEK_SET);
1.1 root 6860: }
1.1.1.23 root 6861: REG16(AX) = 0;
1.1 root 6862: }
6863: } else {
6864: REG16(AX) = 0x05;
1.1.1.3 root 6865: m_CF = 1;
1.1 root 6866: }
6867: } else {
6868: REG16(AX) = 0x06;
1.1.1.3 root 6869: m_CF = 1;
1.1 root 6870: }
6871: }
6872:
6873: inline void msdos_int_21h_41h(int lfn)
6874: {
1.1.1.3 root 6875: if(remove(msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn))) {
1.1 root 6876: REG16(AX) = errno;
1.1.1.3 root 6877: m_CF = 1;
1.1 root 6878: }
6879: }
6880:
6881: inline void msdos_int_21h_42h()
6882: {
6883: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 6884: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 6885:
1.1.1.20 root 6886: if(fd < process->max_files && file_handler[fd].valid) {
1.1 root 6887: if(REG8(AL) < 0x03) {
6888: static int ptrname[] = { SEEK_SET, SEEK_CUR, SEEK_END };
1.1.1.20 root 6889: _lseek(fd, (REG16(CX) << 16) | REG16(DX), ptrname[REG8(AL)]);
6890: UINT32 pos = _tell(fd);
1.1 root 6891: REG16(AX) = pos & 0xffff;
6892: REG16(DX) = (pos >> 16);
6893: } else {
6894: REG16(AX) = 0x01;
1.1.1.3 root 6895: m_CF = 1;
1.1 root 6896: }
6897: } else {
6898: REG16(AX) = 0x06;
1.1.1.3 root 6899: m_CF = 1;
1.1 root 6900: }
6901: }
6902:
6903: inline void msdos_int_21h_43h(int lfn)
6904: {
1.1.1.3 root 6905: char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn);
1.1 root 6906: int attr;
6907:
1.1.1.14 root 6908: if(!lfn && REG8(AL) > 2) {
6909: REG16(AX) = 0x01;
6910: m_CF = 1;
6911: return;
6912: }
6913: switch(REG8(lfn ? BL : AL)) {
1.1 root 6914: case 0x00:
6915: if((attr = GetFileAttributes(path)) != -1) {
1.1.1.14 root 6916: REG16(CX) = (UINT16)msdos_file_attribute_create((UINT16)attr);
6917: } else {
6918: REG16(AX) = (UINT16)GetLastError();
6919: m_CF = 1;
6920: }
6921: break;
6922: case 0x01:
6923: if(!SetFileAttributes(path, msdos_file_attribute_create(REG16(CX)))) {
6924: REG16(AX) = (UINT16)GetLastError();
6925: m_CF = 1;
6926: }
6927: break;
6928: case 0x02:
6929: {
6930: DWORD size = GetCompressedFileSize(path, NULL);
6931: if(size != INVALID_FILE_SIZE) {
6932: if(size != 0 && size == GetFileSize(path, NULL)) {
6933: DWORD sectors_per_cluster, bytes_per_sector, free_clusters, total_clusters;
6934: // this isn't correct if the file is in the NTFS MFT
6935: if(GetDiskFreeSpace(path, §ors_per_cluster, &bytes_per_sector, &free_clusters, &total_clusters)) {
6936: size = ((size - 1) | (sectors_per_cluster * bytes_per_sector - 1)) + 1;
6937: }
6938: }
6939: REG16(AX) = LOWORD(size);
6940: REG16(DX) = HIWORD(size);
6941: } else {
6942: REG16(AX) = (UINT16)GetLastError();
6943: m_CF = 1;
1.1 root 6944: }
1.1.1.14 root 6945: }
6946: break;
6947: case 0x03:
6948: case 0x05:
6949: case 0x07:
6950: {
6951: HANDLE hFile = CreateFile(path, FILE_WRITE_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
6952: if(hFile != INVALID_HANDLE_VALUE) {
6953: FILETIME local, time;
6954: DosDateTimeToFileTime(REG16(DI), /*REG8(BL) == 5 ? 0 : */REG16(CX), &local);
6955: if(REG8(BL) == 7) {
6956: ULARGE_INTEGER hund;
6957: hund.LowPart = local.dwLowDateTime;
6958: hund.HighPart = local.dwHighDateTime;
6959: hund.QuadPart += REG16(SI) * 100000;
6960: local.dwLowDateTime = hund.LowPart;
6961: local.dwHighDateTime = hund.HighPart;
6962: }
6963: LocalFileTimeToFileTime(&local, &time);
6964: if(!SetFileTime(hFile, REG8(BL) == 0x07 ? &time : NULL,
6965: REG8(BL) == 0x05 ? &time : NULL,
6966: REG8(BL) == 0x03 ? &time : NULL)) {
6967: REG16(AX) = (UINT16)GetLastError();
6968: m_CF = 1;
6969: }
6970: CloseHandle(hFile);
6971: } else {
6972: REG16(AX) = (UINT16)GetLastError();
6973: m_CF = 1;
1.1 root 6974: }
1.1.1.14 root 6975: }
6976: break;
6977: case 0x04:
6978: case 0x06:
6979: case 0x08:
6980: {
6981: WIN32_FILE_ATTRIBUTE_DATA fad;
6982: if(GetFileAttributesEx(path, GetFileExInfoStandard, (LPVOID)&fad)) {
6983: FILETIME *time, local;
6984: time = REG8(BL) == 0x04 ? &fad.ftLastWriteTime :
6985: 0x06 ? &fad.ftLastAccessTime :
6986: &fad.ftCreationTime;
6987: FileTimeToLocalFileTime(time, &local);
6988: FileTimeToDosDateTime(&local, ®16(DI), ®16(CX));
6989: if(REG8(BL) == 0x08) {
6990: ULARGE_INTEGER hund;
6991: hund.LowPart = local.dwLowDateTime;
6992: hund.HighPart = local.dwHighDateTime;
6993: hund.QuadPart /= 100000;
6994: REG16(SI) = (UINT16)(hund.QuadPart % 200);
6995: }
6996: } else {
6997: REG16(AX) = (UINT16)GetLastError();
6998: m_CF = 1;
1.1 root 6999: }
1.1.1.14 root 7000: }
7001: break;
7002: default:
1.1.1.22 root 7003: 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 7004: REG16(AX) = 0x01;
7005: m_CF = 1;
7006: break;
7007: }
7008: }
7009:
7010: inline void msdos_int_21h_44h()
7011: {
1.1.1.22 root 7012: static UINT16 iteration_count = 0;
7013:
1.1.1.20 root 7014: process_t *process = msdos_process_info_get(current_psp);
7015: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
7016:
1.1.1.14 root 7017: UINT32 val = DRIVE_NO_ROOT_DIR;
7018:
7019: switch(REG8(AL)) {
7020: case 0x00:
7021: case 0x01:
7022: case 0x02:
7023: case 0x03:
7024: case 0x04:
7025: case 0x05:
7026: case 0x06:
7027: case 0x07:
1.1.1.20 root 7028: if(fd >= process->max_files || !file_handler[fd].valid) {
7029: REG16(AX) = 0x06;
7030: m_CF = 1;
7031: return;
1.1.1.14 root 7032: }
7033: break;
7034: case 0x08:
7035: case 0x09:
7036: if(REG8(BL) >= ('Z' - 'A' + 1)) {
7037: // invalid drive number
7038: REG16(AX) = 0x0f;
7039: m_CF = 1;
7040: return;
7041: } else {
7042: if(REG8(BL) == 0) {
7043: val = GetDriveType(NULL);
7044: } else {
7045: char tmp[8];
7046: sprintf(tmp, "%c:\\", 'A' + REG8(BL) - 1);
7047: val = GetDriveType(tmp);
7048: }
7049: if(val == DRIVE_NO_ROOT_DIR) {
7050: // no drive
7051: REG16(AX) = 0x0f;
7052: m_CF = 1;
7053: return;
1.1 root 7054: }
7055: }
7056: break;
7057: }
7058: switch(REG8(AL)) {
7059: case 0x00: // get ioctrl data
1.1.1.20 root 7060: REG16(DX) = file_handler[fd].info;
1.1 root 7061: break;
7062: case 0x01: // set ioctrl data
1.1.1.20 root 7063: file_handler[fd].info |= REG8(DL);
1.1 root 7064: break;
7065: case 0x02: // recv from character device
7066: case 0x03: // send to character device
7067: case 0x04: // recv from block device
7068: case 0x05: // send to block device
7069: REG16(AX) = 0x05;
1.1.1.3 root 7070: m_CF = 1;
1.1 root 7071: break;
7072: case 0x06: // get read status
1.1.1.20 root 7073: if(file_mode[file_handler[fd].mode].in) {
7074: if(file_handler[fd].atty) {
1.1.1.14 root 7075: REG8(AL) = msdos_kbhit() ? 0xff : 0x00;
1.1 root 7076: } else {
1.1.1.20 root 7077: REG8(AL) = eof(fd) ? 0x00 : 0xff;
1.1 root 7078: }
1.1.1.14 root 7079: } else {
7080: REG8(AL) = 0x00;
1.1 root 7081: }
7082: break;
7083: case 0x07: // get write status
1.1.1.20 root 7084: if(file_mode[file_handler[fd].mode].out) {
1.1.1.14 root 7085: REG8(AL) = 0xff;
7086: } else {
7087: REG8(AL) = 0x00;
1.1 root 7088: }
7089: break;
7090: case 0x08: // check removable drive
1.1.1.14 root 7091: if(val == DRIVE_REMOVABLE || val == DRIVE_CDROM) {
7092: // removable drive
7093: REG16(AX) = 0x00;
1.1 root 7094: } else {
1.1.1.14 root 7095: // fixed drive
7096: REG16(AX) = 0x01;
1.1 root 7097: }
7098: break;
7099: case 0x09: // check remote drive
1.1.1.14 root 7100: if(val == DRIVE_REMOTE) {
7101: // remote drive
7102: REG16(DX) = 0x1000;
1.1 root 7103: } else {
1.1.1.14 root 7104: // local drive
7105: REG16(DX) = 0x00;
1.1 root 7106: }
7107: break;
1.1.1.21 root 7108: case 0x0a: // check remote handle
7109: REG16(DX) = 0x00; // FIXME
7110: break;
1.1 root 7111: case 0x0b: // set retry count
7112: break;
1.1.1.22 root 7113: case 0x0c: // generic character device request
7114: if(REG8(CL) == 0x45) {
7115: // set iteration (retry) count
7116: iteration_count = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX));
7117: } else if(REG8(CL) == 0x4a) {
7118: // select code page
7119: active_code_page = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2);
7120: msdos_nls_tables_update();
7121: } else if(REG8(CL) == 0x65) {
7122: // get iteration (retry) count
7123: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX)) = iteration_count;
7124: } else if(REG8(CL) == 0x6a) {
7125: // query selected code page
7126: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = 2; // FIXME
7127: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 2) = active_code_page;
7128:
7129: CPINFO info;
7130: GetCPInfo(active_code_page, &info);
7131:
7132: if(info.MaxCharSize != 1) {
7133: for(int i = 0;; i++) {
7134: UINT8 lo = info.LeadByte[2 * i + 0];
7135: UINT8 hi = info.LeadByte[2 * i + 1];
7136:
7137: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 4 + 4 * i + 0) = lo;
7138: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 4 + 4 * i + 2) = hi;
7139: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0) + 4;
7140:
7141: if(lo == 0 && hi == 0) {
7142: break;
7143: }
7144: }
7145: }
7146: } else if(REG8(CL) == 0x7f) {
7147: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x00) = 0;
7148: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x01) = 0;
7149: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x02) = 14;
7150: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x04) = 1;
7151: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x06) = 1;
7152: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x07) = 0;
7153: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x08) = 4;
7154: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0a) = 8 * (*(UINT16 *)(mem + 0x44a));
7155: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0c) = 16 * (*(UINT8 *)(mem + 0x484) + 1);
7156: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x0e) = *(UINT16 *)(mem + 0x44a);
7157: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(DX) + 0x10) = *(UINT8 *)(mem + 0x484) + 1;
7158: } else {
7159: 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));
7160: REG16(AX) = 0x01; // invalid function
7161: m_CF = 1;
7162: }
7163: break;
7164: case 0x0d: // generic block device request
7165: if(REG8(CL) == 0x40) {
7166: // set device parameters
7167: } else if(REG8(CL) == 0x46) {
7168: // set volume serial number
7169: } else if(REG8(CL) == 0x4a) {
7170: // lock logical volume
7171: } else if(REG8(CL) == 0x4b) {
7172: // lock physical volume
7173: } else if(REG8(CL) == 0x60) {
7174: // get device parameters
7175: char dev[] = "\\\\.\\A:";
7176: dev[4] = 'A' + (REG8(BL) ? REG8(BL) : _getdrive()) - 1;
7177:
7178: HANDLE hFile = CreateFile(dev, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
7179: if(hFile != INVALID_HANDLE_VALUE) {
7180: DISK_GEOMETRY geo;
7181: DWORD dwSize;
7182: if(DeviceIoControl(hFile, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0, &geo, sizeof(geo), &dwSize, NULL)) {
7183: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x07; // ???
7184: switch(geo.MediaType) {
7185: case F5_360_512:
7186: case F5_320_512:
7187: case F5_320_1024:
7188: case F5_180_512:
7189: case F5_160_512:
7190: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x00; // 320K/360K disk
7191: break;
7192: case F5_1Pt2_512:
7193: case F3_1Pt2_512:
7194: case F3_1Pt23_1024:
7195: case F5_1Pt23_1024:
7196: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x01; // 1.2M disk
7197: break;
7198: case F3_720_512:
7199: case F3_640_512:
7200: case F5_640_512:
7201: case F5_720_512:
7202: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x02; // 720K disk
7203: break;
7204: case F8_256_128:
7205: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x03; // single-density 8-inch disk
7206: break;
7207: case FixedMedia:
7208: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x05; // fixed disk
7209: break;
7210: case F3_1Pt44_512:
7211: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x07; // (DOS 3.3+) other type of block device, normally 1.44M floppy
7212: break;
7213: case F3_2Pt88_512:
7214: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x09; // (DOS 5+) 2.88M floppy
7215: break;
7216: default:
7217: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x05; // fixed disk
7218: // *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x05; // (DOS 3.3+) other type of block device, normally 1.44M floppy
7219: break;
7220: }
7221: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x02) = (geo.MediaType == FixedMedia) ? 0x01 : 0x00;
7222: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x04) = (geo.Cylinders.QuadPart > 0xffff) ? 0xffff : geo.Cylinders.QuadPart;
7223: switch(geo.MediaType) {
7224: case F5_360_512:
7225: case F5_320_512:
7226: case F5_320_1024:
7227: case F5_180_512:
7228: case F5_160_512:
7229: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x06) = 0x01; // 320K/360K disk
7230: break;
7231: default:
7232: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x06) = 0x00; // other drive types
7233: break;
7234: }
7235: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x00) = geo.BytesPerSector;
7236: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x02) = geo.SectorsPerTrack * geo.TracksPerCylinder;
7237: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x03) = 0;
7238: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x05) = 0;
7239: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x06) = 0;
7240: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x08) = 0;
7241: switch(geo.MediaType) {
7242: case F5_320_512: // floppy, double-sided, 8 sectors per track (320K)
7243: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xff;
7244: break;
7245: case F5_160_512: // floppy, single-sided, 8 sectors per track (160K)
7246: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xfe;
7247: break;
7248: case F5_360_512: // floppy, double-sided, 9 sectors per track (360K)
7249: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xfd;
7250: break;
7251: case F5_180_512: // floppy, single-sided, 9 sectors per track (180K)
7252: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xfc;
7253: break;
7254: case F5_1Pt2_512: // floppy, double-sided, 15 sectors per track (1.2M)
7255: case F3_720_512: // floppy, double-sided, 9 sectors per track (720K,3.5")
7256: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xf9;
7257: break;
7258: case FixedMedia: // hard disk
7259: case RemovableMedia:
7260: case Unknown:
7261: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xf8;
7262: break;
7263: default:
7264: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0a) = 0xf0;
7265: break;
7266: }
7267: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0d) = geo.SectorsPerTrack;
7268: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x0f) = 1;
7269: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x11) = 0;
7270: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x15) = geo.TracksPerCylinder * geo.Cylinders.QuadPart;
7271: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07 + 0x1f) = geo.Cylinders.QuadPart;
7272: // 21h BYTE device type
7273: // 22h WORD device attributes (removable or not, etc)
7274: } else {
7275: REG16(AX) = 0x0f; // invalid drive
7276: m_CF = 1;
7277: }
7278: CloseHandle(hFile);
7279: } else {
7280: REG16(AX) = 0x0f; // invalid drive
7281: m_CF = 1;
7282: }
7283: } else if(REG8(CL) == 0x66) {
7284: // get volume serial number
7285: char path[] = "A:\\";
7286: char volume_label[MAX_PATH];
7287: DWORD serial_number = 0;
7288: char file_system[MAX_PATH];
7289:
7290: path[0] = 'A' + (REG8(BL) ? REG8(BL) : _getdrive()) - 1;
7291:
7292: if(GetVolumeInformation(path, volume_label, MAX_PATH, &serial_number, NULL, NULL, file_system, MAX_PATH)) {
7293: *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0;
7294: *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x02) = serial_number;
7295: memset(mem + SREG_BASE(DS) + REG16(SI) + 0x06, 0x20, 11);
7296: memcpy(mem + SREG_BASE(DS) + REG16(SI) + 0x06, volume_label, min(strlen(volume_label), 11));
7297: memset(mem + SREG_BASE(DS) + REG16(SI) + 0x11, 0x20, 8);
7298: memcpy(mem + SREG_BASE(DS) + REG16(SI) + 0x11, file_system, min(strlen(file_system), 8));
7299: } else {
7300: REG16(AX) = 0x0f; // invalid drive
7301: m_CF = 1;
7302: }
7303: } else if(REG8(CL) == 0x67) {
7304: // get access flag
7305: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0;
7306: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 1;
7307: } else if(REG8(CL) == 0x68) {
7308: // sense media type
7309: char dev[64];
7310: sprintf(dev, "\\\\.\\%c:", 'A' + (REG8(BL) ? REG8(BL) : _getdrive()) - 1);
7311:
7312: HANDLE hFile = CreateFile(dev, 0, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
7313: if(hFile != INVALID_HANDLE_VALUE) {
7314: DISK_GEOMETRY geo;
7315: DWORD dwSize;
7316: if(DeviceIoControl(hFile, IOCTL_DISK_GET_DRIVE_GEOMETRY, NULL, 0, &geo, sizeof(geo), &dwSize, NULL)) {
7317: switch(geo.MediaType) {
7318: case F3_720_512:
7319: case F5_720_512:
7320: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x01;
7321: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x02;
7322: break;
7323: case F3_1Pt44_512:
7324: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x01;
7325: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x07;
7326: break;
7327: case F3_2Pt88_512:
7328: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x01;
7329: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x09;
7330: break;
7331: default:
7332: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00) = 0x00;
7333: *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x01) = 0x00; // ???
7334: break;
7335: }
7336: } else {
7337: REG16(AX) = 0x0f; // invalid drive
7338: m_CF = 1;
7339: }
7340: CloseHandle(hFile);
7341: } else {
7342: REG16(AX) = 0x0f; // invalid drive
7343: m_CF = 1;
7344: }
7345: } else if(REG8(CL) == 0x6a) {
7346: // unlock logical volume
7347: } else if(REG8(CL) == 0x6b) {
7348: // unlock physical volume
7349: } else {
7350: 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));
7351: REG16(AX) = 0x01; // invalid function
7352: m_CF = 1;
7353: }
7354: break;
7355: case 0x0e: // get logical drive map
7356: {
7357: DWORD bits = 1 << ((REG8(BL) ? REG8(BL) : _getdrive()) - 1);
7358: if(!(GetLogicalDrives() & bits)) {
7359: REG16(AX) = 0x0f; // invalid drive
7360: m_CF = 1;
7361: } else {
7362: REG8(AL) = 0;
7363: }
7364: }
7365: break;
7366: case 0x0f: // set logical drive map
7367: {
7368: DWORD bits = 1 << ((REG8(BL) ? REG8(BL) : _getdrive()) - 1);
7369: if(!(GetLogicalDrives() & bits)) {
7370: REG16(AX) = 0x0f; // invalid drive
7371: m_CF = 1;
7372: }
7373: }
7374: break;
7375: case 0x10: // query generic ioctrl capability (handle)
7376: switch(REG8(CL)) {
7377: case 0x45:
7378: case 0x4a:
7379: case 0x65:
7380: case 0x6a:
7381: case 0x7f:
7382: REG16(AX) = 0x0000; // supported
7383: break;
7384: default:
7385: REG8(AL) = 0x01; // ioctl capability not available
7386: m_CF = 1;
7387: break;
7388: }
7389: break;
7390: case 0x11: // query generic ioctrl capability (drive)
7391: switch(REG8(CL)) {
7392: case 0x40:
7393: case 0x46:
7394: case 0x4a:
7395: case 0x4b:
7396: case 0x60:
7397: case 0x66:
7398: case 0x67:
7399: case 0x68:
7400: case 0x6a:
7401: case 0x6b:
7402: REG16(AX) = 0x0000; // supported
7403: break;
7404: default:
7405: REG8(AL) = 0x01; // ioctl capability not available
7406: m_CF = 1;
7407: break;
7408: }
7409: break;
7410: case 0x12: // determine dos type
7411: case 0x51: // concurrent dos v3.2+ - installation check
7412: case 0x52: // determine dos type/get dr dos versuin
7413: REG16(AX) = 0x01; // this is not DR-DOS
7414: m_CF = 1;
7415: break;
1.1 root 7416: default:
1.1.1.22 root 7417: 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 7418: REG16(AX) = 0x01;
1.1.1.3 root 7419: m_CF = 1;
1.1 root 7420: break;
7421: }
7422: }
7423:
7424: inline void msdos_int_21h_45h()
7425: {
7426: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 7427: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 7428:
1.1.1.20 root 7429: if(fd < process->max_files && file_handler[fd].valid) {
7430: int dup_fd = _dup(fd);
7431: if(dup_fd != -1) {
7432: REG16(AX) = dup_fd;
7433: msdos_file_handler_dup(dup_fd, fd, current_psp);
7434: // msdos_psp_set_file_table(dup_fd, fd, current_psp);
7435: msdos_psp_set_file_table(dup_fd, dup_fd, current_psp);
1.1 root 7436: } else {
7437: REG16(AX) = errno;
1.1.1.3 root 7438: m_CF = 1;
1.1 root 7439: }
7440: } else {
7441: REG16(AX) = 0x06;
1.1.1.3 root 7442: m_CF = 1;
1.1 root 7443: }
7444: }
7445:
7446: inline void msdos_int_21h_46h()
7447: {
7448: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 7449: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
7450: int dup_fd = REG16(CX);
7451: int tmp_fd = msdos_psp_get_file_table(REG16(CX), current_psp);
1.1 root 7452:
1.1.1.20 root 7453: if(REG16(BX) == REG16(CX)) {
7454: REG16(AX) = 0x06;
7455: m_CF = 1;
7456: } else if(fd < process->max_files && file_handler[fd].valid && dup_fd < process->max_files) {
7457: if(tmp_fd < process->max_files && file_handler[tmp_fd].valid) {
7458: _close(tmp_fd);
7459: msdos_file_handler_close(tmp_fd);
7460: msdos_psp_set_file_table(dup_fd, 0x0ff, current_psp);
7461: }
7462: if(_dup2(fd, dup_fd) != -1) {
7463: msdos_file_handler_dup(dup_fd, fd, current_psp);
7464: // msdos_psp_set_file_table(dup_fd, fd, current_psp);
7465: msdos_psp_set_file_table(dup_fd, dup_fd, current_psp);
1.1 root 7466: } else {
7467: REG16(AX) = errno;
1.1.1.3 root 7468: m_CF = 1;
1.1 root 7469: }
7470: } else {
7471: REG16(AX) = 0x06;
1.1.1.3 root 7472: m_CF = 1;
1.1 root 7473: }
7474: }
7475:
7476: inline void msdos_int_21h_47h(int lfn)
7477: {
7478: char path[MAX_PATH];
7479:
7480: if(_getdcwd(REG8(DL), path, MAX_PATH) != NULL) {
7481: if(path[1] == ':') {
7482: // the returned path does not include a drive or the initial backslash
1.1.1.3 root 7483: strcpy((char *)(mem + SREG_BASE(DS) + REG16(SI)), (lfn ? path : msdos_short_path(path)) + 3);
1.1 root 7484: } else {
1.1.1.3 root 7485: strcpy((char *)(mem + SREG_BASE(DS) + REG16(SI)), lfn ? path : msdos_short_path(path));
1.1 root 7486: }
7487: } else {
7488: REG16(AX) = errno;
1.1.1.3 root 7489: m_CF = 1;
1.1 root 7490: }
7491: }
7492:
7493: inline void msdos_int_21h_48h()
7494: {
1.1.1.19 root 7495: int seg, umb_linked;
1.1 root 7496:
1.1.1.8 root 7497: if((malloc_strategy & 0xf0) == 0x00) {
1.1.1.19 root 7498: // unlink umb not to allocate memory in umb
7499: if((umb_linked = msdos_mem_get_umb_linked()) != 0) {
7500: msdos_mem_unlink_umb();
7501: }
1.1.1.8 root 7502: if((seg = msdos_mem_alloc(first_mcb, REG16(BX), 0)) != -1) {
7503: REG16(AX) = seg;
7504: } else {
7505: REG16(AX) = 0x08;
7506: REG16(BX) = msdos_mem_get_free(first_mcb, 0);
7507: m_CF = 1;
7508: }
1.1.1.19 root 7509: if(umb_linked != 0) {
7510: msdos_mem_link_umb();
7511: }
1.1.1.8 root 7512: } else if((malloc_strategy & 0xf0) == 0x40) {
7513: if((seg = msdos_mem_alloc(UMB_TOP >> 4, REG16(BX), 0)) != -1) {
7514: REG16(AX) = seg;
7515: } else {
7516: REG16(AX) = 0x08;
7517: REG16(BX) = msdos_mem_get_free(UMB_TOP >> 4, 0);
7518: m_CF = 1;
7519: }
7520: } else if((malloc_strategy & 0xf0) == 0x80) {
7521: if((seg = msdos_mem_alloc(UMB_TOP >> 4, REG16(BX), 0)) != -1) {
7522: REG16(AX) = seg;
7523: } else if((seg = msdos_mem_alloc(first_mcb, REG16(BX), 0)) != -1) {
7524: REG16(AX) = seg;
7525: } else {
7526: REG16(AX) = 0x08;
7527: REG16(BX) = max(msdos_mem_get_free(UMB_TOP >> 4, 0), msdos_mem_get_free(first_mcb, 0));
7528: m_CF = 1;
7529: }
1.1 root 7530: }
7531: }
7532:
7533: inline void msdos_int_21h_49h()
7534: {
1.1.1.14 root 7535: int mcb_seg = SREG(ES) - 1;
7536: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
7537:
7538: if(mcb->mz == 'M' || mcb->mz == 'Z') {
7539: msdos_mem_free(SREG(ES));
7540: } else {
1.1.1.28 root 7541: REG16(AX) = 0x09; // illegal memory block address
1.1.1.14 root 7542: m_CF = 1;
7543: }
1.1 root 7544: }
7545:
7546: inline void msdos_int_21h_4ah()
7547: {
1.1.1.14 root 7548: int mcb_seg = SREG(ES) - 1;
7549: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
1.1 root 7550: int max_paragraphs;
7551:
1.1.1.14 root 7552: if(mcb->mz == 'M' || mcb->mz == 'Z') {
7553: if(msdos_mem_realloc(SREG(ES), REG16(BX), &max_paragraphs)) {
7554: REG16(AX) = 0x08;
7555: REG16(BX) = max_paragraphs > 0x7fff && limit_max_memory ? 0x7fff : max_paragraphs;
7556: m_CF = 1;
7557: }
7558: } else {
1.1.1.28 root 7559: REG16(AX) = 0x09; // illegal memory block address
1.1.1.3 root 7560: m_CF = 1;
1.1 root 7561: }
7562: }
7563:
7564: inline void msdos_int_21h_4bh()
7565: {
1.1.1.3 root 7566: char *command = (char *)(mem + SREG_BASE(DS) + REG16(DX));
7567: param_block_t *param = (param_block_t *)(mem + SREG_BASE(ES) + REG16(BX));
1.1 root 7568:
7569: switch(REG8(AL)) {
7570: case 0x00:
7571: case 0x01:
7572: if(msdos_process_exec(command, param, REG8(AL))) {
7573: REG16(AX) = 0x02;
1.1.1.3 root 7574: m_CF = 1;
1.1 root 7575: }
7576: break;
1.1.1.14 root 7577: case 0x03:
7578: {
7579: int fd;
7580: if((fd = _open(command, _O_RDONLY | _O_BINARY)) == -1) {
7581: REG16(AX) = 0x02;
7582: m_CF = 1;
7583: break;
7584: }
7585: int size = _read(fd, file_buffer, sizeof(file_buffer));
7586: _close(fd);
7587:
7588: UINT16 *overlay = (UINT16 *)param;
7589:
7590: // check exe header
7591: exe_header_t *header = (exe_header_t *)file_buffer;
7592: int header_size = 0;
7593: if(header->mz == 0x4d5a || header->mz == 0x5a4d) {
7594: header_size = header->header_size * 16;
7595: // relocation
7596: int start_seg = overlay[1];
7597: for(int i = 0; i < header->relocations; i++) {
7598: int ofs = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 0);
7599: int seg = *(UINT16 *)(file_buffer + header->relocation_table + i * 4 + 2);
7600: *(UINT16 *)(file_buffer + header_size + (seg << 4) + ofs) += start_seg;
7601: }
7602: }
7603: memcpy(mem + (overlay[0] << 4), file_buffer + header_size, size - header_size);
7604: }
7605: break;
1.1 root 7606: default:
1.1.1.22 root 7607: 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 7608: REG16(AX) = 0x01;
1.1.1.3 root 7609: m_CF = 1;
1.1 root 7610: break;
7611: }
7612: }
7613:
7614: inline void msdos_int_21h_4ch()
7615: {
7616: msdos_process_terminate(current_psp, REG8(AL), 1);
7617: }
7618:
7619: inline void msdos_int_21h_4dh()
7620: {
7621: REG16(AX) = retval;
7622: }
7623:
7624: inline void msdos_int_21h_4eh()
7625: {
7626: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 7627: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
7628: find_t *find = (find_t *)(mem + dta_laddr);
1.1.1.3 root 7629: char *path = msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 7630: WIN32_FIND_DATA fd;
7631:
1.1.1.14 root 7632: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, LFN_DTA_LADDR);
7633: find->find_magic = FIND_MAGIC;
7634: find->dta_index = dtainfo - dtalist;
1.1 root 7635: strcpy(process->volume_label, msdos_volume_label(path));
1.1.1.14 root 7636: dtainfo->allowable_mask = REG8(CL);
7637: bool label_only = (dtainfo->allowable_mask == 8);
1.1 root 7638:
1.1.1.14 root 7639: if((dtainfo->allowable_mask & 8) && !msdos_match_volume_label(path, msdos_short_volume_label(process->volume_label))) {
7640: dtainfo->allowable_mask &= ~8;
1.1 root 7641: }
1.1.1.14 root 7642: if(!label_only && (dtainfo->find_handle = FindFirstFile(path, &fd)) != INVALID_HANDLE_VALUE) {
7643: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 7644: !msdos_find_file_has_8dot3name(&fd)) {
7645: if(!FindNextFile(dtainfo->find_handle, &fd)) {
7646: FindClose(dtainfo->find_handle);
7647: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 7648: break;
7649: }
7650: }
7651: }
1.1.1.13 root 7652: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 7653: find->attrib = (UINT8)(fd.dwFileAttributes & 0x3f);
7654: msdos_find_file_conv_local_time(&fd);
7655: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->date, &find->time);
7656: find->size = fd.nFileSizeLow;
1.1.1.13 root 7657: strcpy(find->name, msdos_short_name(&fd));
1.1 root 7658: REG16(AX) = 0;
1.1.1.14 root 7659: } else if(dtainfo->allowable_mask & 8) {
1.1 root 7660: find->attrib = 8;
7661: find->size = 0;
7662: strcpy(find->name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 7663: dtainfo->allowable_mask &= ~8;
1.1 root 7664: REG16(AX) = 0;
7665: } else {
7666: REG16(AX) = 0x12; // NOTE: return 0x02 if file path is invalid
1.1.1.3 root 7667: m_CF = 1;
1.1 root 7668: }
7669: }
7670:
7671: inline void msdos_int_21h_4fh()
7672: {
7673: process_t *process = msdos_process_info_get(current_psp);
1.1.1.13 root 7674: UINT32 dta_laddr = (process->dta.w.h << 4) + process->dta.w.l;
7675: find_t *find = (find_t *)(mem + dta_laddr);
1.1 root 7676: WIN32_FIND_DATA fd;
7677:
1.1.1.14 root 7678: if(find->find_magic != FIND_MAGIC || find->dta_index >= MAX_DTAINFO) {
7679: REG16(AX) = 0x12;
7680: m_CF = 1;
7681: return;
7682: }
7683: dtainfo_t *dtainfo = &dtalist[find->dta_index];
1.1.1.13 root 7684: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
7685: if(FindNextFile(dtainfo->find_handle, &fd)) {
1.1.1.14 root 7686: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, 0) ||
1.1.1.13 root 7687: !msdos_find_file_has_8dot3name(&fd)) {
7688: if(!FindNextFile(dtainfo->find_handle, &fd)) {
7689: FindClose(dtainfo->find_handle);
7690: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 7691: break;
7692: }
7693: }
7694: } else {
1.1.1.13 root 7695: FindClose(dtainfo->find_handle);
7696: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 7697: }
7698: }
1.1.1.13 root 7699: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 7700: find->attrib = (UINT8)(fd.dwFileAttributes & 0x3f);
7701: msdos_find_file_conv_local_time(&fd);
7702: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->date, &find->time);
7703: find->size = fd.nFileSizeLow;
1.1.1.13 root 7704: strcpy(find->name, msdos_short_name(&fd));
1.1 root 7705: REG16(AX) = 0;
1.1.1.14 root 7706: } else if(dtainfo->allowable_mask & 8) {
1.1 root 7707: find->attrib = 8;
7708: find->size = 0;
7709: strcpy(find->name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 7710: dtainfo->allowable_mask &= ~8;
1.1 root 7711: REG16(AX) = 0;
7712: } else {
7713: REG16(AX) = 0x12;
1.1.1.3 root 7714: m_CF = 1;
1.1 root 7715: }
7716: }
7717:
7718: inline void msdos_int_21h_50h()
7719: {
1.1.1.8 root 7720: if(current_psp != REG16(BX)) {
7721: process_t *process = msdos_process_info_get(current_psp);
7722: if(process != NULL) {
7723: process->psp = REG16(BX);
7724: }
7725: current_psp = REG16(BX);
1.1.1.23 root 7726: msdos_sda_update(current_psp);
1.1.1.8 root 7727: }
1.1 root 7728: }
7729:
7730: inline void msdos_int_21h_51h()
7731: {
7732: REG16(BX) = current_psp;
7733: }
7734:
7735: inline void msdos_int_21h_52h()
7736: {
1.1.1.25 root 7737: SREG(ES) = DOS_INFO_TOP >> 4;
1.1.1.3 root 7738: i386_load_segment_descriptor(ES);
1.1.1.25 root 7739: REG16(BX) = offsetof(dos_info_t, first_dpb);
1.1 root 7740: }
7741:
7742: inline void msdos_int_21h_54h()
7743: {
7744: process_t *process = msdos_process_info_get(current_psp);
7745:
7746: REG8(AL) = process->verify;
7747: }
7748:
7749: inline void msdos_int_21h_55h()
7750: {
7751: psp_t *psp = (psp_t *)(mem + (REG16(DX) << 4));
7752:
7753: memcpy(mem + (REG16(DX) << 4), mem + (current_psp << 4), sizeof(psp_t));
7754: psp->int_22h.dw = *(UINT32 *)(mem + 4 * 0x22);
7755: psp->int_23h.dw = *(UINT32 *)(mem + 4 * 0x23);
7756: psp->int_24h.dw = *(UINT32 *)(mem + 4 * 0x24);
7757: psp->parent_psp = current_psp;
7758: }
7759:
7760: inline void msdos_int_21h_56h(int lfn)
7761: {
7762: char src[MAX_PATH], dst[MAX_PATH];
1.1.1.3 root 7763: strcpy(src, msdos_trimmed_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), lfn));
7764: strcpy(dst, msdos_trimmed_path((char *)(mem + SREG_BASE(ES) + REG16(DI)), lfn));
1.1 root 7765:
7766: if(rename(src, dst)) {
7767: REG16(AX) = errno;
1.1.1.3 root 7768: m_CF = 1;
1.1 root 7769: }
7770: }
7771:
7772: inline void msdos_int_21h_57h()
7773: {
7774: FILETIME time, local;
1.1.1.14 root 7775: FILETIME *ctime, *atime, *mtime;
1.1.1.21 root 7776: HANDLE hHandle;
1.1 root 7777:
1.1.1.21 root 7778: if((hHandle = (HANDLE)_get_osfhandle(REG16(BX))) == INVALID_HANDLE_VALUE) {
1.1.1.14 root 7779: REG16(AX) = (UINT16)GetLastError();
7780: m_CF = 1;
7781: return;
7782: }
7783: ctime = atime = mtime = NULL;
7784:
1.1 root 7785: switch(REG8(AL)) {
7786: case 0x00:
1.1.1.6 root 7787: case 0x01:
1.1.1.14 root 7788: mtime = &time;
1.1.1.6 root 7789: break;
7790: case 0x04:
7791: case 0x05:
1.1.1.14 root 7792: atime = &time;
1.1 root 7793: break;
1.1.1.6 root 7794: case 0x06:
7795: case 0x07:
1.1.1.14 root 7796: ctime = &time;
7797: break;
7798: default:
1.1.1.22 root 7799: 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 7800: REG16(AX) = 0x01;
7801: m_CF = 1;
7802: return;
7803: }
7804: if(REG8(AL) & 1) {
1.1 root 7805: DosDateTimeToFileTime(REG16(DX), REG16(CX), &local);
7806: LocalFileTimeToFileTime(&local, &time);
1.1.1.21 root 7807: if(!SetFileTime(hHandle, ctime, atime, mtime)) {
1.1 root 7808: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 7809: m_CF = 1;
1.1 root 7810: }
1.1.1.14 root 7811: } else {
1.1.1.21 root 7812: if(!GetFileTime(hHandle, ctime, atime, mtime)) {
1.1.1.14 root 7813: // assume a device and use the current time
7814: GetSystemTimeAsFileTime(&time);
7815: }
7816: FileTimeToLocalFileTime(&time, &local);
7817: FileTimeToDosDateTime(&local, ®16(DX), ®16(CX));
1.1 root 7818: }
7819: }
7820:
7821: inline void msdos_int_21h_58h()
7822: {
7823: switch(REG8(AL)) {
7824: case 0x00:
1.1.1.7 root 7825: REG16(AX) = malloc_strategy;
7826: break;
7827: case 0x01:
1.1.1.24 root 7828: // switch(REG16(BX)) {
7829: switch(REG8(BL)) {
1.1.1.7 root 7830: case 0x0000:
7831: case 0x0001:
7832: case 0x0002:
7833: case 0x0040:
7834: case 0x0041:
7835: case 0x0042:
7836: case 0x0080:
7837: case 0x0081:
7838: case 0x0082:
7839: malloc_strategy = REG16(BX);
1.1.1.23 root 7840: msdos_sda_update(current_psp);
1.1.1.7 root 7841: break;
7842: default:
1.1.1.22 root 7843: 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 7844: REG16(AX) = 0x01;
7845: m_CF = 1;
7846: break;
7847: }
7848: break;
7849: case 0x02:
1.1.1.19 root 7850: REG8(AL) = msdos_mem_get_umb_linked() ? 1 : 0;
1.1.1.7 root 7851: break;
7852: case 0x03:
1.1.1.24 root 7853: // switch(REG16(BX)) {
7854: switch(REG8(BL)) {
1.1.1.7 root 7855: case 0x0000:
1.1.1.19 root 7856: msdos_mem_unlink_umb();
7857: break;
1.1.1.7 root 7858: case 0x0001:
1.1.1.19 root 7859: msdos_mem_link_umb();
1.1.1.7 root 7860: break;
7861: default:
1.1.1.22 root 7862: 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 7863: REG16(AX) = 0x01;
7864: m_CF = 1;
7865: break;
7866: }
1.1 root 7867: break;
7868: default:
1.1.1.22 root 7869: 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 7870: REG16(AX) = 0x01;
1.1.1.3 root 7871: m_CF = 1;
1.1 root 7872: break;
7873: }
7874: }
7875:
7876: inline void msdos_int_21h_59h()
7877: {
1.1.1.23 root 7878: sda_t *sda = (sda_t *)(mem + SDA_TOP);
7879:
7880: REG16(AX) = sda->extended_error_code;
7881: REG8(BH) = sda->error_class;
7882: REG8(BL) = sda->suggested_action;
7883: REG8(CH) = sda->locus_of_last_error;
1.1 root 7884: }
7885:
7886: inline void msdos_int_21h_5ah()
7887: {
1.1.1.3 root 7888: char *path = (char *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 7889: int len = strlen(path);
7890: char tmp[MAX_PATH];
7891:
7892: if(GetTempFileName(path, "TMP", 0, tmp)) {
7893: int fd = _open(tmp, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
7894:
7895: SetFileAttributes(tmp, msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY);
7896: REG16(AX) = fd;
7897: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_drive_number(path), current_psp);
1.1.1.20 root 7898: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 7899:
7900: strcpy(path, tmp);
7901: int dx = REG16(DX) + len;
1.1.1.3 root 7902: int ds = SREG(DS);
1.1 root 7903: while(dx > 0xffff) {
7904: dx -= 0x10;
7905: ds++;
7906: }
7907: REG16(DX) = dx;
1.1.1.3 root 7908: SREG(DS) = ds;
7909: i386_load_segment_descriptor(DS);
1.1 root 7910: } else {
7911: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 7912: m_CF = 1;
1.1 root 7913: }
7914: }
7915:
7916: inline void msdos_int_21h_5bh()
7917: {
1.1.1.3 root 7918: char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(DX)), 0);
1.1 root 7919:
1.1.1.24 root 7920: if(msdos_is_existing_file(path)) {
1.1 root 7921: // already exists
7922: REG16(AX) = 0x50;
1.1.1.3 root 7923: m_CF = 1;
1.1 root 7924: } else {
7925: int fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
7926:
7927: if(fd != -1) {
7928: SetFileAttributes(path, msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY);
7929: REG16(AX) = fd;
7930: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_drive_number(path), current_psp);
1.1.1.20 root 7931: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 7932: } else {
7933: REG16(AX) = errno;
1.1.1.3 root 7934: m_CF = 1;
1.1 root 7935: }
7936: }
7937: }
7938:
7939: inline void msdos_int_21h_5ch()
7940: {
7941: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 7942: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 7943:
1.1.1.20 root 7944: if(fd < process->max_files && file_handler[fd].valid) {
1.1 root 7945: if(REG8(AL) == 0 || REG8(AL) == 1) {
7946: static int modes[2] = {_LK_LOCK, _LK_UNLCK};
1.1.1.20 root 7947: UINT32 pos = _tell(fd);
7948: _lseek(fd, (REG16(CX) << 16) | REG16(DX), SEEK_SET);
7949: if(_locking(fd, modes[REG8(AL)], (REG16(SI) << 16) | REG16(DI))) {
1.1 root 7950: REG16(AX) = errno;
1.1.1.3 root 7951: m_CF = 1;
1.1 root 7952: }
1.1.1.20 root 7953: _lseek(fd, pos, SEEK_SET);
1.1.1.26 root 7954:
1.1 root 7955: // some seconds may be passed in _locking()
7956: hardware_update();
7957: } else {
7958: REG16(AX) = 0x01;
1.1.1.3 root 7959: m_CF = 1;
1.1 root 7960: }
7961: } else {
7962: REG16(AX) = 0x06;
1.1.1.3 root 7963: m_CF = 1;
1.1 root 7964: }
7965: }
7966:
1.1.1.22 root 7967: inline void msdos_int_21h_5dh()
7968: {
7969: switch(REG8(AL)) {
7970: case 0x06: // get address of dos swappable data area
1.1.1.23 root 7971: SREG(DS) = (SDA_TOP >> 4);
7972: i386_load_segment_descriptor(DS);
7973: REG16(SI) = offsetof(sda_t, crit_error_flag);
7974: REG16(CX) = 0x80;
7975: REG16(DX) = 0x1a;
7976: break;
7977: case 0x0b: // get dos swappable data areas
1.1.1.22 root 7978: REG16(AX) = 0x01;
7979: m_CF = 1;
7980: break;
7981: case 0x08: // set redirected printer mode
7982: case 0x09: // flush redirected printer output
7983: case 0x0a: // set extended error information
7984: break;
7985: default:
7986: 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));
7987: REG16(AX) = 0x01;
7988: m_CF = 1;
7989: break;
7990: }
7991: }
7992:
1.1.1.30! root 7993: inline void msdos_int_21h_5fh()
! 7994: {
! 7995: switch(REG8(AL)) {
! 7996: case 0x02:
! 7997: {
! 7998: DWORD drives = GetLogicalDrives();
! 7999: for(int i = 0, index = 0; i < 26; i++) {
! 8000: if(drives & (1 << i)) {
! 8001: char volume[] = "A:\\";
! 8002: volume[0] = 'A' + i;
! 8003: if(GetDriveType(volume) == DRIVE_REMOTE) {
! 8004: if(index == REG16(BX)) {
! 8005: DWORD dwSize = 128;
! 8006: volume[2] = '\0';
! 8007: strcpy((char *)(mem + SREG_BASE(DS) + REG16(SI)), volume);
! 8008: WNetGetConnection(volume, (char *)(mem + SREG_BASE(ES) + REG16(DI)), &dwSize);
! 8009: REG8(BH) = 0x00; // valid
! 8010: REG8(BL) = 0x04; // disk drive
! 8011: REG16(CX) = 0x00;
! 8012: return;
! 8013: }
! 8014: index++;
! 8015: }
! 8016: }
! 8017: }
! 8018: }
! 8019: REG16(AX) = 0x12; // no more files
! 8020: m_CF = 1;
! 8021: break;
! 8022: default:
! 8023: 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));
! 8024: REG16(AX) = 0x01;
! 8025: m_CF = 1;
! 8026: break;
! 8027: }
! 8028: }
! 8029:
1.1 root 8030: inline void msdos_int_21h_60h(int lfn)
8031: {
1.1.1.14 root 8032: char full[MAX_PATH], *path;
8033:
1.1 root 8034: if(lfn) {
1.1.1.14 root 8035: char *name;
8036: *full = '\0';
1.1.1.3 root 8037: GetFullPathName((char *)(mem + SREG_BASE(DS) + REG16(SI)), MAX_PATH, full, &name);
1.1.1.14 root 8038: switch(REG8(CL)) {
8039: case 1:
8040: GetShortPathName(full, full, MAX_PATH);
8041: my_strupr(full);
8042: break;
8043: case 2:
8044: GetLongPathName(full, full, MAX_PATH);
8045: break;
8046: }
8047: path = full;
8048: } else {
8049: path = msdos_short_full_path((char *)(mem + SREG_BASE(DS) + REG16(SI)));
8050: }
8051: if(*path != '\0') {
8052: strcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), path);
1.1 root 8053: } else {
1.1.1.14 root 8054: REG16(AX) = (UINT16)GetLastError();
8055: m_CF = 1;
1.1 root 8056: }
8057: }
8058:
8059: inline void msdos_int_21h_61h()
8060: {
8061: REG8(AL) = 0;
8062: }
8063:
8064: inline void msdos_int_21h_62h()
8065: {
8066: REG16(BX) = current_psp;
8067: }
8068:
8069: inline void msdos_int_21h_63h()
8070: {
8071: switch(REG8(AL)) {
8072: case 0x00:
1.1.1.3 root 8073: SREG(DS) = (DBCS_TABLE >> 4);
8074: i386_load_segment_descriptor(DS);
1.1 root 8075: REG16(SI) = (DBCS_TABLE & 0x0f);
8076: REG8(AL) = 0x00;
8077: break;
1.1.1.22 root 8078: case 0x01: // set korean input mode
8079: case 0x02: // get korean input mode
8080: REG8(AL) = 0xff; // not supported
8081: break;
1.1 root 8082: default:
1.1.1.22 root 8083: 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 8084: REG16(AX) = 0x01;
1.1.1.3 root 8085: m_CF = 1;
1.1 root 8086: break;
8087: }
8088: }
8089:
1.1.1.25 root 8090: UINT16 get_extended_country_info(UINT8 func)
1.1 root 8091: {
1.1.1.25 root 8092: switch(func) {
1.1.1.17 root 8093: case 0x01:
8094: if(REG16(CX) >= 5) {
1.1.1.19 root 8095: UINT8 data[1 + 2 + 2 + 2 + sizeof(country_info_t)];
1.1.1.17 root 8096: if(REG16(CX) > sizeof(data)) // cx = actual transfer size
8097: REG16(CX) = sizeof(data);
8098: ZeroMemory(data, sizeof(data));
8099: data[0] = 0x01;
8100: *(UINT16 *)(data + 1) = REG16(CX) - 3;
1.1.1.19 root 8101: *(UINT16 *)(data + 3) = get_country_info((country_info_t*)(data + 7));
1.1.1.17 root 8102: *(UINT16 *)(data + 5) = active_code_page;
8103: memcpy(mem + SREG_BASE(ES) + REG16(DI), data, REG16(CX));
1.1.1.25 root 8104: // REG16(AX) = active_code_page;
1.1.1.17 root 8105: } else {
1.1.1.25 root 8106: return(0x08); // insufficient memory
1.1.1.17 root 8107: }
8108: break;
8109: case 0x02:
8110: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x02;
8111: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (UPPERTABLE_TOP & 0x0f);
8112: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (UPPERTABLE_TOP >> 4);
1.1.1.25 root 8113: // REG16(AX) = active_code_page;
1.1.1.17 root 8114: REG16(CX) = 0x05;
8115: break;
1.1.1.23 root 8116: case 0x03:
8117: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x02;
8118: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (LOWERTABLE_TOP & 0x0f);
8119: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (LOWERTABLE_TOP >> 4);
1.1.1.25 root 8120: // REG16(AX) = active_code_page;
1.1.1.23 root 8121: REG16(CX) = 0x05;
8122: break;
1.1.1.17 root 8123: case 0x04:
8124: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x04;
8125: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (FILENAME_UPPERTABLE_TOP & 0x0f);
8126: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (FILENAME_UPPERTABLE_TOP >> 4);
1.1.1.25 root 8127: // REG16(AX) = active_code_page;
1.1.1.17 root 8128: REG16(CX) = 0x05;
8129: break;
8130: case 0x05:
8131: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x05;
8132: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (FILENAME_TERMINATOR_TOP & 0x0f);
8133: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (FILENAME_TERMINATOR_TOP >> 4);
1.1.1.25 root 8134: // REG16(AX) = active_code_page;
1.1.1.17 root 8135: REG16(CX) = 0x05;
8136: break;
8137: case 0x06:
8138: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x06;
8139: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (COLLATING_TABLE_TOP & 0x0f);
8140: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (COLLATING_TABLE_TOP >> 4);
1.1.1.25 root 8141: // REG16(AX) = active_code_page;
1.1.1.17 root 8142: REG16(CX) = 0x05;
8143: break;
1.1 root 8144: case 0x07:
1.1.1.3 root 8145: *(UINT8 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 0x07;
8146: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 1) = (DBCS_TOP & 0x0f);
8147: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 3) = (DBCS_TOP >> 4);
1.1.1.25 root 8148: // REG16(AX) = active_code_page;
1.1 root 8149: REG16(CX) = 0x05;
8150: break;
1.1.1.25 root 8151: default:
8152: return(0x01); // function number invalid
8153: }
8154: return(0x00);
8155: }
8156:
8157: inline void msdos_int_21h_65h()
8158: {
8159: char tmp[0x10000];
8160:
8161: switch(REG8(AL)) {
8162: case 0x01:
8163: case 0x02:
8164: case 0x03:
8165: case 0x04:
8166: case 0x05:
8167: case 0x06:
8168: case 0x07:
8169: {
8170: UINT16 result = get_extended_country_info(REG8(AL));
8171: if(result) {
8172: REG16(AX) = result;
8173: m_CF = 1;
8174: } else {
8175: REG16(AX) = active_code_page; // FIXME: is this correct???
8176: }
8177: }
8178: break;
1.1 root 8179: case 0x20:
1.1.1.25 root 8180: case 0xa0:
1.1.1.19 root 8181: memset(tmp, 0, sizeof(tmp));
8182: tmp[0] = REG8(DL);
1.1 root 8183: my_strupr(tmp);
8184: REG8(DL) = tmp[0];
8185: break;
8186: case 0x21:
1.1.1.25 root 8187: case 0xa1:
1.1 root 8188: memset(tmp, 0, sizeof(tmp));
1.1.1.3 root 8189: memcpy(tmp, mem + SREG_BASE(DS) + REG16(DX), REG16(CX));
1.1 root 8190: my_strupr(tmp);
1.1.1.3 root 8191: memcpy(mem + SREG_BASE(DS) + REG16(DX), tmp, REG16(CX));
1.1 root 8192: break;
8193: case 0x22:
1.1.1.25 root 8194: case 0xa2:
1.1.1.3 root 8195: my_strupr((char *)(mem + SREG_BASE(DS) + REG16(DX)));
1.1 root 8196: break;
1.1.1.25 root 8197: case 0x23:
8198: // FIXME: need to check multi-byte (kanji) charactre?
8199: if(REG8(DL) == 'N' || REG8(DL) == 'n' || (REG8(DL) == 0x82 && REG8(DH) == 0x78) || (REG8(DL) == 0x82 && REG8(DH) == 0x99)) {
8200: // 8278h/8299h: multi-byte (kanji) Y and y
8201: REG16(AX) = 0x00;
8202: } else if(REG8(DL) == 'Y' || REG8(DL) == 'y' || (REG8(DL) == 0x82 && REG8(DH) == 0x6d) || (REG8(DL) == 0x82 && REG8(DH) == 0x8e)) {
8203: // 826dh/828eh: multi-byte (kanji) N and n
8204: REG16(AX) = 0x01;
8205: } else {
8206: REG16(AX) = 0x02;
8207: }
8208: break;
1.1 root 8209: default:
1.1.1.22 root 8210: 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 8211: REG16(AX) = 0x01;
1.1.1.3 root 8212: m_CF = 1;
1.1 root 8213: break;
8214: }
8215: }
8216:
8217: inline void msdos_int_21h_66h()
8218: {
8219: switch(REG8(AL)) {
8220: case 0x01:
8221: REG16(BX) = active_code_page;
8222: REG16(DX) = system_code_page;
8223: break;
8224: case 0x02:
8225: if(active_code_page == REG16(BX)) {
8226: REG16(AX) = 0xeb41;
8227: } else if(_setmbcp(REG16(BX)) == 0) {
8228: active_code_page = REG16(BX);
1.1.1.17 root 8229: msdos_nls_tables_update();
1.1 root 8230: REG16(AX) = 0xeb41;
8231: } else {
8232: REG16(AX) = 0x25;
1.1.1.3 root 8233: m_CF = 1;
1.1 root 8234: }
8235: break;
8236: default:
1.1.1.22 root 8237: 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 8238: REG16(AX) = 0x01;
1.1.1.3 root 8239: m_CF = 1;
1.1 root 8240: break;
8241: }
8242: }
8243:
8244: inline void msdos_int_21h_67h()
8245: {
8246: process_t *process = msdos_process_info_get(current_psp);
8247:
8248: if(REG16(BX) <= MAX_FILES) {
8249: process->max_files = max(REG16(BX), 20);
8250: } else {
8251: REG16(AX) = 0x08;
1.1.1.3 root 8252: m_CF = 1;
1.1 root 8253: }
8254: }
8255:
8256: inline void msdos_int_21h_68h()
8257: {
8258: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 8259: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
1.1 root 8260:
1.1.1.20 root 8261: if(fd < process->max_files && file_handler[fd].valid) {
8262: // fflush(_fdopen(fd, ""));
1.1 root 8263: } else {
8264: REG16(AX) = 0x06;
1.1.1.3 root 8265: m_CF = 1;
1.1 root 8266: }
8267: }
8268:
8269: inline void msdos_int_21h_69h()
8270: {
1.1.1.3 root 8271: drive_info_t *info = (drive_info_t *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 8272: char path[] = "A:\\";
8273: char volume_label[MAX_PATH];
8274: DWORD serial_number = 0;
8275: char file_system[MAX_PATH];
8276:
8277: if(REG8(BL) == 0) {
8278: path[0] = 'A' + _getdrive() - 1;
8279: } else {
8280: path[0] = 'A' + REG8(BL) - 1;
8281: }
8282:
8283: switch(REG8(AL)) {
8284: case 0x00:
8285: if(GetVolumeInformation(path, volume_label, MAX_PATH, &serial_number, NULL, NULL, file_system, MAX_PATH)) {
8286: info->info_level = 0;
8287: info->serial_number = serial_number;
8288: memset(info->volume_label, 0x20, 11);
8289: memcpy(info->volume_label, volume_label, min(strlen(volume_label), 11));
8290: memset(info->file_system, 0x20, 8);
8291: memcpy(info->file_system, file_system, min(strlen(file_system), 8));
8292: } else {
8293: REG16(AX) = errno;
1.1.1.3 root 8294: m_CF = 1;
1.1 root 8295: }
8296: break;
8297: case 0x01:
8298: REG16(AX) = 0x03;
1.1.1.3 root 8299: m_CF = 1;
1.1 root 8300: }
8301: }
8302:
8303: inline void msdos_int_21h_6ah()
8304: {
8305: REG8(AH) = 0x68;
8306: msdos_int_21h_68h();
8307: }
8308:
8309: inline void msdos_int_21h_6bh()
8310: {
8311: REG8(AL) = 0;
8312: }
8313:
8314: inline void msdos_int_21h_6ch(int lfn)
8315: {
1.1.1.3 root 8316: char *path = msdos_local_file_path((char *)(mem + SREG_BASE(DS) + REG16(SI)), lfn);
1.1 root 8317: int mode = REG8(BL) & 0x03;
8318:
8319: if(mode < 0x03) {
1.1.1.29 root 8320: if(msdos_is_device_path(path) || msdos_is_existing_file(path)) {
1.1 root 8321: // file exists
8322: if(REG8(DL) & 1) {
1.1.1.29 root 8323: int fd = -1, c;
1.1.1.11 root 8324: UINT16 info;
1.1 root 8325:
1.1.1.11 root 8326: if(msdos_is_con_path(path)) {
1.1.1.13 root 8327: fd = msdos_open("CON", file_mode[mode].mode);
1.1.1.11 root 8328: info = 0x80d3;
1.1.1.29 root 8329: } else if((c = msdos_is_comm_path(path)) != 0 && sio_port_number[c - 1] != 0) {
8330: if((fd = _open(msdos_create_comm_path(path, sio_port_number[c - 1]), file_mode[mode].mode)) == -1) {
8331: fd = msdos_open("NUL", file_mode[mode].mode);
8332: }
1.1.1.14 root 8333: info = 0x80d3;
1.1.1.29 root 8334: } else if(msdos_is_device_path(path)) {
1.1.1.20 root 8335: fd = msdos_open("NUL", file_mode[mode].mode);
8336: info = 0x80d3;
1.1.1.11 root 8337: } else {
1.1.1.13 root 8338: fd = msdos_open(path, file_mode[mode].mode);
1.1.1.11 root 8339: info = msdos_drive_number(path);
8340: }
1.1 root 8341: if(fd != -1) {
8342: REG16(AX) = fd;
8343: REG16(CX) = 1;
1.1.1.11 root 8344: msdos_file_handler_open(fd, path, _isatty(fd), mode, info, current_psp);
1.1.1.20 root 8345: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 8346: } else {
8347: REG16(AX) = errno;
1.1.1.3 root 8348: m_CF = 1;
1.1 root 8349: }
8350: } else if(REG8(DL) & 2) {
8351: int attr = GetFileAttributes(path);
1.1.1.29 root 8352: int fd = -1, c;
1.1.1.11 root 8353: UINT16 info;
1.1 root 8354:
1.1.1.11 root 8355: if(msdos_is_con_path(path)) {
1.1.1.13 root 8356: fd = msdos_open("CON", file_mode[mode].mode);
1.1.1.11 root 8357: info = 0x80d3;
1.1.1.29 root 8358: } else if((c = msdos_is_comm_path(path)) != 0 && sio_port_number[c - 1] != 0) {
8359: if((fd = _open(msdos_create_comm_path(path, sio_port_number[c - 1]), file_mode[mode].mode)) == -1) {
8360: fd = msdos_open("NUL", file_mode[mode].mode);
8361: }
1.1.1.14 root 8362: info = 0x80d3;
1.1.1.29 root 8363: } else if(msdos_is_device_path(path)) {
1.1.1.20 root 8364: fd = msdos_open("NUL", file_mode[mode].mode);
8365: info = 0x80d3;
1.1 root 8366: } else {
8367: fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
1.1.1.11 root 8368: info = msdos_drive_number(path);
1.1 root 8369: }
8370: if(fd != -1) {
8371: if(attr == -1) {
8372: attr = msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY;
8373: }
8374: SetFileAttributes(path, attr);
8375: REG16(AX) = fd;
8376: REG16(CX) = 3;
1.1.1.11 root 8377: msdos_file_handler_open(fd, path, _isatty(fd), 2, info, current_psp);
1.1.1.20 root 8378: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 8379: } else {
8380: REG16(AX) = errno;
1.1.1.3 root 8381: m_CF = 1;
1.1 root 8382: }
8383: } else {
8384: REG16(AX) = 0x50;
1.1.1.3 root 8385: m_CF = 1;
1.1 root 8386: }
8387: } else {
8388: // file not exists
8389: if(REG8(DL) & 0x10) {
8390: int fd = _open(path, _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE);
8391:
8392: if(fd != -1) {
8393: SetFileAttributes(path, msdos_file_attribute_create(REG16(CX)) & ~FILE_ATTRIBUTE_READONLY);
8394: REG16(AX) = fd;
8395: REG16(CX) = 2;
8396: msdos_file_handler_open(fd, path, _isatty(fd), 2, msdos_drive_number(path), current_psp);
1.1.1.20 root 8397: msdos_psp_set_file_table(fd, fd, current_psp);
1.1 root 8398: } else {
8399: REG16(AX) = errno;
1.1.1.3 root 8400: m_CF = 1;
1.1 root 8401: }
8402: } else {
8403: REG16(AX) = 0x02;
1.1.1.3 root 8404: m_CF = 1;
1.1 root 8405: }
8406: }
8407: } else {
8408: REG16(AX) = 0x0c;
1.1.1.3 root 8409: m_CF = 1;
1.1 root 8410: }
8411: }
8412:
8413: inline void msdos_int_21h_710dh()
8414: {
8415: // reset drive
8416: }
8417:
1.1.1.17 root 8418: inline void msdos_int_21h_7141h(int lfn)
8419: {
8420: if(REG16(SI) == 0) {
8421: msdos_int_21h_41h(lfn);
8422: return;
8423: }
8424: if(REG16(SI) != 1) {
8425: REG16(AX) = 5;
8426: m_CF = 1;
8427: }
8428: /* wild card and matching attributes... */
8429: char tmp[MAX_PATH * 2];
8430: // copy search pathname (and quick check overrun)
8431: ZeroMemory(tmp, sizeof(tmp));
8432: tmp[MAX_PATH - 1] = '\0';
8433: tmp[MAX_PATH] = 1;
8434: strncpy(tmp, (char *)(mem + SREG_BASE(DS) + REG16(DX)), MAX_PATH);
8435:
8436: if(tmp[MAX_PATH - 1] != '\0' || tmp[MAX_PATH] != 1) {
8437: REG16(AX) = 1;
8438: m_CF = 1;
8439: return;
8440: }
8441: for(char *s = tmp; *s; ++s) {
8442: if(*s == '/') {
8443: *s = '\\';
8444: }
8445: }
8446: char *tmp_name = (char *)_mbsrchr((unsigned char *)tmp, '\\');
8447: if(tmp_name) {
8448: ++tmp_name;
8449: } else {
8450: tmp_name = strchr(tmp, ':');
8451: tmp_name = tmp_name ? tmp_name + 1 : tmp;
8452: }
8453:
8454: WIN32_FIND_DATAA fd;
8455: HANDLE fh = FindFirstFileA(tmp, &fd);
8456: if(fh == INVALID_HANDLE_VALUE) {
8457: REG16(AX) = 2;
8458: m_CF = 1;
8459: return;
8460: }
8461: do {
8462: if(msdos_find_file_check_attribute(fd.dwFileAttributes, REG8(CL), REG8(CH)) && msdos_find_file_has_8dot3name(&fd)) {
8463: strcpy(tmp_name, fd.cFileName);
8464: if(remove(msdos_trimmed_path(tmp, lfn))) {
8465: REG16(AX) = 5;
8466: m_CF = 1;
8467: break;
8468: }
8469: }
8470: } while(FindNextFileA(fh, &fd));
8471: if(!m_CF) {
8472: if(GetLastError() != ERROR_NO_MORE_FILES) {
8473: m_CF = 1;
8474: REG16(AX) = 2;
8475: }
8476: }
8477: FindClose(fh);
8478: }
8479:
1.1 root 8480: inline void msdos_int_21h_714eh()
8481: {
8482: process_t *process = msdos_process_info_get(current_psp);
1.1.1.3 root 8483: find_lfn_t *find = (find_lfn_t *)(mem + SREG_BASE(ES) + REG16(DI));
8484: char *path = (char *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 8485: WIN32_FIND_DATA fd;
8486:
1.1.1.13 root 8487: dtainfo_t *dtainfo = msdos_dta_info_get(current_psp, LFN_DTA_LADDR);
8488: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
8489: FindClose(dtainfo->find_handle);
8490: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 8491: }
8492: strcpy(process->volume_label, msdos_volume_label(path));
1.1.1.14 root 8493: dtainfo->allowable_mask = REG8(CL);
8494: dtainfo->required_mask = REG8(CH);
8495: bool label_only = (dtainfo->allowable_mask == 8);
1.1 root 8496:
1.1.1.14 root 8497: if((dtainfo->allowable_mask & 8) && !msdos_match_volume_label(path, msdos_short_volume_label(process->volume_label))) {
8498: dtainfo->allowable_mask &= ~8;
1.1 root 8499: }
1.1.1.14 root 8500: if(!label_only && (dtainfo->find_handle = FindFirstFile(path, &fd)) != INVALID_HANDLE_VALUE) {
8501: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, dtainfo->required_mask)) {
1.1.1.13 root 8502: if(!FindNextFile(dtainfo->find_handle, &fd)) {
8503: FindClose(dtainfo->find_handle);
8504: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 8505: break;
8506: }
8507: }
8508: }
1.1.1.13 root 8509: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 8510: find->attrib = fd.dwFileAttributes;
8511: msdos_find_file_conv_local_time(&fd);
8512: if(REG16(SI) == 0) {
8513: find->ctime_lo.dw = fd.ftCreationTime.dwLowDateTime;
8514: find->ctime_hi.dw = fd.ftCreationTime.dwHighDateTime;
8515: find->atime_lo.dw = fd.ftLastAccessTime.dwLowDateTime;
8516: find->atime_hi.dw = fd.ftLastAccessTime.dwHighDateTime;
8517: find->mtime_lo.dw = fd.ftLastWriteTime.dwLowDateTime;
8518: find->mtime_hi.dw = fd.ftLastWriteTime.dwHighDateTime;
8519: } else {
8520: FileTimeToDosDateTime(&fd.ftCreationTime, &find->ctime_lo.w.h, &find->ctime_lo.w.l);
8521: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->atime_lo.w.h, &find->atime_lo.w.l);
8522: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->mtime_lo.w.h, &find->mtime_lo.w.l);
8523: }
8524: find->size_hi = fd.nFileSizeHigh;
8525: find->size_lo = fd.nFileSizeLow;
8526: strcpy(find->full_name, fd.cFileName);
1.1.1.13 root 8527: strcpy(find->short_name, fd.cAlternateFileName);
1.1.1.14 root 8528: REG16(AX) = dtainfo - dtalist + 1;
8529: } else if(dtainfo->allowable_mask & 8) {
1.1 root 8530: // volume label
8531: find->attrib = 8;
8532: find->size_hi = find->size_lo = 0;
8533: strcpy(find->full_name, process->volume_label);
8534: strcpy(find->short_name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 8535: dtainfo->allowable_mask &= ~8;
8536: REG16(AX) = dtainfo - dtalist + 1;
1.1 root 8537: } else {
8538: REG16(AX) = 0x12; // NOTE: return 0x02 if file path is invalid
1.1.1.3 root 8539: m_CF = 1;
1.1 root 8540: }
8541: }
8542:
8543: inline void msdos_int_21h_714fh()
8544: {
8545: process_t *process = msdos_process_info_get(current_psp);
1.1.1.3 root 8546: find_lfn_t *find = (find_lfn_t *)(mem + SREG_BASE(ES) + REG16(DI));
1.1 root 8547: WIN32_FIND_DATA fd;
8548:
1.1.1.14 root 8549: if(REG16(BX) - 1u >= MAX_DTAINFO) {
8550: REG16(AX) = 6;
1.1.1.13 root 8551: m_CF = 1;
8552: return;
8553: }
1.1.1.14 root 8554: dtainfo_t *dtainfo = &dtalist[REG16(BX) - 1];
1.1.1.13 root 8555: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
8556: if(FindNextFile(dtainfo->find_handle, &fd)) {
1.1.1.14 root 8557: while(!msdos_find_file_check_attribute(fd.dwFileAttributes, dtainfo->allowable_mask, dtainfo->required_mask)) {
1.1.1.13 root 8558: if(!FindNextFile(dtainfo->find_handle, &fd)) {
8559: FindClose(dtainfo->find_handle);
8560: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 8561: break;
8562: }
8563: }
8564: } else {
1.1.1.13 root 8565: FindClose(dtainfo->find_handle);
8566: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 8567: }
8568: }
1.1.1.13 root 8569: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
1.1 root 8570: find->attrib = fd.dwFileAttributes;
8571: msdos_find_file_conv_local_time(&fd);
8572: if(REG16(SI) == 0) {
8573: find->ctime_lo.dw = fd.ftCreationTime.dwLowDateTime;
8574: find->ctime_hi.dw = fd.ftCreationTime.dwHighDateTime;
8575: find->atime_lo.dw = fd.ftLastAccessTime.dwLowDateTime;
8576: find->atime_hi.dw = fd.ftLastAccessTime.dwHighDateTime;
8577: find->mtime_lo.dw = fd.ftLastWriteTime.dwLowDateTime;
8578: find->mtime_hi.dw = fd.ftLastWriteTime.dwHighDateTime;
8579: } else {
8580: FileTimeToDosDateTime(&fd.ftCreationTime, &find->ctime_lo.w.h, &find->ctime_lo.w.l);
8581: FileTimeToDosDateTime(&fd.ftLastAccessTime, &find->atime_lo.w.h, &find->atime_lo.w.l);
8582: FileTimeToDosDateTime(&fd.ftLastWriteTime, &find->mtime_lo.w.h, &find->mtime_lo.w.l);
8583: }
8584: find->size_hi = fd.nFileSizeHigh;
8585: find->size_lo = fd.nFileSizeLow;
8586: strcpy(find->full_name, fd.cFileName);
1.1.1.13 root 8587: strcpy(find->short_name, fd.cAlternateFileName);
1.1.1.14 root 8588: } else if(dtainfo->allowable_mask & 8) {
1.1 root 8589: // volume label
8590: find->attrib = 8;
8591: find->size_hi = find->size_lo = 0;
8592: strcpy(find->full_name, process->volume_label);
8593: strcpy(find->short_name, msdos_short_volume_label(process->volume_label));
1.1.1.14 root 8594: dtainfo->allowable_mask &= ~8;
1.1 root 8595: } else {
8596: REG16(AX) = 0x12;
1.1.1.3 root 8597: m_CF = 1;
1.1 root 8598: }
8599: }
8600:
8601: inline void msdos_int_21h_71a0h()
8602: {
8603: DWORD max_component_len, file_sys_flag;
8604:
1.1.1.14 root 8605: 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))) {
8606: REG16(BX) = (UINT16)file_sys_flag & (FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVED_NAMES | FILE_UNICODE_ON_DISK | FILE_VOLUME_IS_COMPRESSED);
8607: REG16(BX) |= 0x4000; // supports LFN functions
1.1 root 8608: REG16(CX) = (UINT16)max_component_len; // 255
8609: REG16(DX) = (UINT16)max_component_len + 5; // 260
8610: } else {
8611: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 8612: m_CF = 1;
1.1 root 8613: }
8614: }
8615:
8616: inline void msdos_int_21h_71a1h()
8617: {
1.1.1.14 root 8618: if(REG16(BX) - 1u >= MAX_DTAINFO) {
8619: REG16(AX) = 6;
1.1.1.13 root 8620: m_CF = 1;
8621: return;
8622: }
1.1.1.14 root 8623: dtainfo_t *dtainfo = &dtalist[REG16(BX) - 1];
1.1.1.13 root 8624: if(dtainfo->find_handle != INVALID_HANDLE_VALUE) {
8625: FindClose(dtainfo->find_handle);
8626: dtainfo->find_handle = INVALID_HANDLE_VALUE;
1.1 root 8627: }
8628: }
8629:
8630: inline void msdos_int_21h_71a6h()
8631: {
8632: process_t *process = msdos_process_info_get(current_psp);
1.1.1.20 root 8633: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
8634:
1.1.1.3 root 8635: UINT8 *buffer = (UINT8 *)(mem + SREG_BASE(DS) + REG16(DX));
1.1 root 8636: struct _stat64 status;
8637: DWORD serial_number = 0;
8638:
1.1.1.20 root 8639: if(fd < process->max_files && file_handler[fd].valid) {
8640: if(_fstat64(fd, &status) == 0) {
8641: if(file_handler[fd].path[1] == ':') {
1.1 root 8642: // NOTE: we need to consider the network file path "\\host\share\"
8643: char volume[] = "A:\\";
1.1.1.20 root 8644: volume[0] = file_handler[fd].path[1];
1.1 root 8645: GetVolumeInformation(volume, NULL, 0, &serial_number, NULL, NULL, NULL, 0);
8646: }
1.1.1.20 root 8647: *(UINT32 *)(buffer + 0x00) = GetFileAttributes(file_handler[fd].path);
1.1 root 8648: *(UINT32 *)(buffer + 0x04) = (UINT32)(status.st_ctime & 0xffffffff);
8649: *(UINT32 *)(buffer + 0x08) = (UINT32)((status.st_ctime >> 32) & 0xffffffff);
8650: *(UINT32 *)(buffer + 0x0c) = (UINT32)(status.st_atime & 0xffffffff);
8651: *(UINT32 *)(buffer + 0x10) = (UINT32)((status.st_atime >> 32) & 0xffffffff);
8652: *(UINT32 *)(buffer + 0x14) = (UINT32)(status.st_mtime & 0xffffffff);
8653: *(UINT32 *)(buffer + 0x18) = (UINT32)((status.st_mtime >> 32) & 0xffffffff);
8654: *(UINT32 *)(buffer + 0x1c) = serial_number;
8655: *(UINT32 *)(buffer + 0x20) = (UINT32)((status.st_size >> 32) & 0xffffffff);
8656: *(UINT32 *)(buffer + 0x24) = (UINT32)(status.st_size & 0xffffffff);
8657: *(UINT32 *)(buffer + 0x28) = status.st_nlink;
1.1.1.14 root 8658: // this is dummy id and it will be changed when it is reopened...
1.1 root 8659: *(UINT32 *)(buffer + 0x2c) = 0;
1.1.1.20 root 8660: *(UINT32 *)(buffer + 0x30) = file_handler[fd].id;
1.1 root 8661: } else {
8662: REG16(AX) = errno;
1.1.1.3 root 8663: m_CF = 1;
1.1 root 8664: }
8665: } else {
8666: REG16(AX) = 0x06;
1.1.1.3 root 8667: m_CF = 1;
1.1 root 8668: }
8669: }
8670:
8671: inline void msdos_int_21h_71a7h()
8672: {
8673: switch(REG8(BL)) {
8674: case 0x00:
1.1.1.3 root 8675: if(!FileTimeToDosDateTime((FILETIME *)(mem + SREG_BASE(DS) + REG16(SI)), ®16(DX), ®16(CX))) {
1.1 root 8676: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 8677: m_CF = 1;
1.1 root 8678: }
8679: break;
8680: case 0x01:
8681: // NOTE: we need to check BH that shows 10-millisecond untils past time in CX
1.1.1.3 root 8682: if(!DosDateTimeToFileTime(REG16(DX), REG16(CX), (FILETIME *)(mem + SREG_BASE(ES) + REG16(DI)))) {
1.1 root 8683: REG16(AX) = (UINT16)GetLastError();
1.1.1.3 root 8684: m_CF = 1;
1.1 root 8685: }
8686: break;
8687: default:
1.1.1.22 root 8688: 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 8689: REG16(AX) = 0x01;
1.1.1.3 root 8690: m_CF = 1;
1.1 root 8691: break;
8692: }
8693: }
8694:
8695: inline void msdos_int_21h_71a8h()
8696: {
8697: if(REG8(DH) == 0) {
8698: char tmp[MAX_PATH], fcb[MAX_PATH];
1.1.1.3 root 8699: strcpy(tmp, msdos_short_path((char *)(mem + SREG_BASE(DS) + REG16(SI))));
1.1 root 8700: memset(fcb, 0x20, sizeof(fcb));
8701: int len = strlen(tmp);
1.1.1.21 root 8702: for(int i = 0, pos = 0; i < len; i++) {
1.1 root 8703: if(tmp[i] == '.') {
8704: pos = 8;
8705: } else {
8706: if(msdos_lead_byte_check(tmp[i])) {
8707: fcb[pos++] = tmp[i++];
8708: }
8709: fcb[pos++] = tmp[i];
8710: }
8711: }
1.1.1.3 root 8712: memcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), fcb, 11);
1.1 root 8713: } else {
1.1.1.3 root 8714: strcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), msdos_short_path((char *)(mem + SREG_BASE(DS) + REG16(SI))));
1.1 root 8715: }
8716: }
8717:
1.1.1.22 root 8718: inline void msdos_int_21h_71aah()
8719: {
8720: char drv[] = "A:", path[MAX_PATH];
8721: char *hoge=(char *)(mem + SREG_BASE(DS) + REG16(DX));
8722:
8723: if(REG8(BL) == 0) {
8724: drv[0] = 'A' + _getdrive() - 1;
8725: } else {
8726: drv[0] = 'A' + REG8(BL) - 1;
8727: }
8728: switch(REG8(BH)) {
8729: case 0x00:
8730: if(DefineDosDevice(0, drv, (char *)(mem + SREG_BASE(DS) + REG16(DX))) == 0) {
8731: DWORD bits = 1 << ((REG8(BL) ? REG8(BL) : _getdrive()) - 1);
8732: if(GetLogicalDrives() & bits) {
8733: REG16(AX) = 0x0f; // invalid drive
8734: } else {
8735: REG16(AX) = 0x03; // path not found
8736: }
8737: m_CF = 1;
8738: }
8739: break;
8740: case 0x01:
8741: if(DefineDosDevice(DDD_REMOVE_DEFINITION, drv, NULL) == 0) {
8742: REG16(AX) = 0x0f; // invalid drive
8743: m_CF = 1;
8744: }
8745: break;
8746: case 0x02:
8747: if(QueryDosDevice(drv, path, MAX_PATH) == 0) {
8748: REG16(AX) = 0x0f; // invalid drive
8749: m_CF = 1;
8750: } else if(strncmp(path, "\\??\\", 4) != 0) {
8751: REG16(AX) = 0x0f; // invalid drive
8752: m_CF = 1;
8753: } else {
8754: strcpy((char *)(mem + SREG_BASE(DS) + REG16(DX)), path + 4);
8755: }
8756: break;
8757: default:
8758: 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));
8759: REG16(AX) = 0x01;
8760: m_CF = 1;
8761: break;
8762: }
8763: }
8764:
1.1.1.14 root 8765: inline void msdos_int_21h_7300h()
8766: {
8767: if(REG8(AL) == 0) {
8768: REG8(AL) = REG8(CL);
8769: REG8(AH) = 0;
8770: } else {
8771: REG16(AX) = 0x01;
8772: m_CF = 1;
8773: }
8774: }
8775:
8776: inline void msdos_int_21h_7302h()
8777: {
8778: int drive_num = (REG8(DL) == 0) ? (_getdrive() - 1) : (REG8(DL) - 1);
8779: UINT16 seg, ofs;
8780:
8781: if(REG16(CX) < 0x3f) {
8782: REG8(AL) = 0x18;
8783: m_CF = 1;
8784: } else if(!msdos_drive_param_block_update(drive_num, &seg, &ofs, 1)) {
8785: REG8(AL) = 0xff;
8786: m_CF = 1;
8787: } else {
8788: memcpy(mem + SREG_BASE(ES) + REG16(DI) + 2, mem + (seg << 4) + ofs, sizeof(dpb_t));
8789: }
8790: }
8791:
1.1 root 8792: inline void msdos_int_21h_7303h()
8793: {
1.1.1.3 root 8794: char *path = (char *)(mem + SREG_BASE(DS) + REG16(DX));
8795: ext_space_info_t *info = (ext_space_info_t *)(mem + SREG_BASE(ES) + REG16(DI));
1.1 root 8796: DWORD sectors_per_cluster, bytes_per_sector, free_clusters, total_clusters;
8797:
8798: if(GetDiskFreeSpace(path, §ors_per_cluster, &bytes_per_sector, &free_clusters, &total_clusters)) {
8799: info->size_of_structure = sizeof(ext_space_info_t);
8800: info->structure_version = 0;
8801: info->sectors_per_cluster = sectors_per_cluster;
8802: info->bytes_per_sector = bytes_per_sector;
8803: info->available_clusters_on_drive = free_clusters;
8804: info->total_clusters_on_drive = total_clusters;
8805: info->available_sectors_on_drive = sectors_per_cluster * free_clusters;
8806: info->total_sectors_on_drive = sectors_per_cluster * total_clusters;
8807: info->available_allocation_units = free_clusters; // ???
8808: info->total_allocation_units = total_clusters; // ???
8809: } else {
8810: REG16(AX) = errno;
1.1.1.3 root 8811: m_CF = 1;
1.1 root 8812: }
8813: }
8814:
1.1.1.30! root 8815: inline void msdos_int_21h_dbh()
! 8816: {
! 8817: // Novell NetWare - Workstation - Get Number of Local Drives
! 8818: dos_info_t *dos_info = (dos_info_t *)(mem + DOS_INFO_TOP);
! 8819: REG8(AL) = dos_info->last_drive;
! 8820: }
! 8821:
! 8822: inline void msdos_int_21h_dch()
! 8823: {
! 8824: // Novell NetWare - Connection Services - Get Connection Number
! 8825: REG8(AL) = 0x00;
! 8826: }
! 8827:
1.1 root 8828: inline void msdos_int_25h()
8829: {
8830: UINT16 seg, ofs;
8831: DWORD dwSize;
8832:
1.1.1.3 root 8833: #if defined(HAS_I386)
8834: I386OP(pushf)();
8835: #else
8836: PREFIX86(_pushf());
8837: #endif
1.1 root 8838:
8839: if(!(REG8(AL) < 26)) {
8840: REG8(AL) = 0x01; // unit unknown
1.1.1.3 root 8841: m_CF = 1;
1.1 root 8842: } else if(!msdos_drive_param_block_update(REG8(AL), &seg, &ofs, 0)) {
8843: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 8844: m_CF = 1;
1.1 root 8845: } else {
8846: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
8847: char dev[64];
8848: sprintf(dev, "\\\\.\\%c:", 'A' + REG8(AL));
8849:
8850: HANDLE hFile = CreateFile(dev, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
8851: if(hFile == INVALID_HANDLE_VALUE) {
8852: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 8853: m_CF = 1;
1.1 root 8854: } else {
1.1.1.19 root 8855: UINT32 top_sector = REG16(DX);
8856: UINT16 sector_num = REG16(CX);
8857: UINT32 buffer_addr = SREG_BASE(DS) + REG16(BX);
8858:
8859: if(sector_num == 0xffff) {
8860: top_sector = *(UINT32 *)(mem + buffer_addr + 0);
8861: sector_num = *(UINT16 *)(mem + buffer_addr + 4);
8862: UINT16 ofs = *(UINT16 *)(mem + buffer_addr + 6);
8863: UINT16 seg = *(UINT16 *)(mem + buffer_addr + 8);
8864: buffer_addr = (seg << 4) + ofs;
8865: }
8866: // if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
8867: // REG8(AL) = 0x02; // drive not ready
8868: // m_CF = 1;
8869: // } else
8870: if(SetFilePointer(hFile, top_sector * dpb->bytes_per_sector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
1.1 root 8871: REG8(AL) = 0x08; // sector not found
1.1.1.3 root 8872: m_CF = 1;
1.1.1.19 root 8873: } else if(ReadFile(hFile, mem + buffer_addr, sector_num * dpb->bytes_per_sector, &dwSize, NULL) == 0) {
1.1 root 8874: REG8(AL) = 0x0b; // read error
1.1.1.3 root 8875: m_CF = 1;
1.1 root 8876: }
8877: CloseHandle(hFile);
8878: }
8879: }
8880: }
8881:
8882: inline void msdos_int_26h()
8883: {
8884: // this operation may cause serious damage for drives, so always returns error...
8885: UINT16 seg, ofs;
8886: DWORD dwSize;
8887:
1.1.1.3 root 8888: #if defined(HAS_I386)
8889: I386OP(pushf)();
8890: #else
8891: PREFIX86(_pushf());
8892: #endif
1.1 root 8893:
8894: if(!(REG8(AL) < 26)) {
8895: REG8(AL) = 0x01; // unit unknown
1.1.1.3 root 8896: m_CF = 1;
1.1 root 8897: } else if(!msdos_drive_param_block_update(REG8(AL), &seg, &ofs, 0)) {
8898: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 8899: m_CF = 1;
1.1 root 8900: } else {
8901: dpb_t *dpb = (dpb_t *)(mem + (seg << 4) + ofs);
8902: char dev[64];
8903: sprintf(dev, "\\\\.\\%c:", 'A' + REG8(AL));
8904:
8905: if(dpb->media_type == 0xf8) {
8906: // this drive is not a floppy
1.1.1.6 root 8907: // if(!(((dos_info_t *)(mem + DOS_INFO_TOP))->dos_flag & 0x40)) {
8908: // fatalerror("This application tried the absolute disk write to drive %c:\n", 'A' + REG8(AL));
8909: // }
1.1 root 8910: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 8911: m_CF = 1;
1.1 root 8912: } else {
8913: HANDLE hFile = CreateFile(dev, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING, NULL);
8914: if(hFile == INVALID_HANDLE_VALUE) {
8915: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 8916: m_CF = 1;
1.1 root 8917: } else {
1.1.1.19 root 8918: UINT32 top_sector = REG16(DX);
8919: UINT16 sector_num = REG16(CX);
8920: UINT32 buffer_addr = SREG_BASE(DS) + REG16(BX);
8921:
8922: if(sector_num == 0xffff) {
8923: top_sector = *(UINT32 *)(mem + buffer_addr + 0);
8924: sector_num = *(UINT16 *)(mem + buffer_addr + 4);
8925: UINT16 ofs = *(UINT16 *)(mem + buffer_addr + 6);
8926: UINT16 seg = *(UINT16 *)(mem + buffer_addr + 8);
8927: buffer_addr = (seg << 4) + ofs;
8928: }
1.1 root 8929: if(DeviceIoControl(hFile, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &dwSize, NULL) == 0) {
8930: REG8(AL) = 0x02; // drive not ready
1.1.1.3 root 8931: m_CF = 1;
1.1.1.19 root 8932: } else if(SetFilePointer(hFile, top_sector * dpb->bytes_per_sector, NULL, FILE_BEGIN) == INVALID_SET_FILE_POINTER) {
1.1 root 8933: REG8(AL) = 0x08; // sector not found
1.1.1.3 root 8934: m_CF = 1;
1.1.1.19 root 8935: } else if(WriteFile(hFile, mem + buffer_addr, sector_num * dpb->bytes_per_sector, &dwSize, NULL) == 0) {
1.1 root 8936: REG8(AL) = 0x0a; // write error
1.1.1.3 root 8937: m_CF = 1;
1.1 root 8938: }
8939: CloseHandle(hFile);
8940: }
8941: }
8942: }
8943: }
8944:
8945: inline void msdos_int_27h()
8946: {
1.1.1.29 root 8947: int paragraphs = (min(REG16(DX), 0xfff0) + 15) >> 4;
8948: try {
8949: msdos_mem_realloc(SREG(CS), paragraphs, NULL);
8950: } catch(...) {
8951: // recover the broken mcb
8952: int mcb_seg = SREG(CS) - 1;
8953: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
8954: if(mcb_seg < (MEMORY_END >> 4)) {
8955: if(((dos_info_t *)(mem + DOS_INFO_TOP))->umb_linked & 0x01) {
8956: mcb->mz = 'M';
8957: } else {
8958: mcb->mz = 'Z';
8959: }
1.1.1.30! root 8960: mcb->paragraphs = (MEMORY_END >> 4) - mcb_seg - 2;
1.1.1.29 root 8961: msdos_mcb_create((MEMORY_END >> 4) - 1, 'M', -1, (UMB_TOP >> 4) - (MEMORY_END >> 4));
8962: } else {
8963: mcb->mz = 'Z';
1.1.1.30! root 8964: mcb->paragraphs = (UMB_END >> 4) - mcb_seg - 1;
1.1.1.29 root 8965: }
8966: msdos_mem_realloc(SREG(CS), paragraphs, NULL);
8967: }
1.1.1.3 root 8968: msdos_process_terminate(SREG(CS), retval | 0x300, 0);
1.1 root 8969: }
8970:
8971: inline void msdos_int_29h()
8972: {
1.1.1.14 root 8973: #if 1
8974: // need to check escape sequences
1.1 root 8975: msdos_putch(REG8(AL));
1.1.1.14 root 8976: #else
8977: DWORD num;
8978: vram_flush();
1.1.1.23 root 8979: WriteConsole(GetStdHandle(STD_OUTPUT_HANDLE), ®8(AL), 1, &num, NULL);
1.1.1.14 root 8980: cursor_moved = true;
8981: #endif
1.1 root 8982: }
8983:
8984: inline void msdos_int_2eh()
8985: {
8986: char tmp[MAX_PATH], command[MAX_PATH], opt[MAX_PATH];
8987: memset(tmp, 0, sizeof(tmp));
1.1.1.3 root 8988: strcpy(tmp, (char *)(mem + SREG_BASE(DS) + REG16(SI)));
1.1 root 8989: char *token = my_strtok(tmp, " ");
8990: strcpy(command, token);
8991: strcpy(opt, token + strlen(token) + 1);
8992:
8993: param_block_t *param = (param_block_t *)(mem + WORK_TOP);
8994: param->env_seg = 0;
8995: param->cmd_line.w.l = 44;
8996: param->cmd_line.w.h = (WORK_TOP >> 4);
8997: param->fcb1.w.l = 24;
8998: param->fcb1.w.h = (WORK_TOP >> 4);
8999: param->fcb2.w.l = 24;
9000: param->fcb2.w.h = (WORK_TOP >> 4);
9001:
9002: memset(mem + WORK_TOP + 24, 0x20, 20);
9003:
9004: cmd_line_t *cmd_line = (cmd_line_t *)(mem + WORK_TOP + 44);
9005: cmd_line->len = strlen(opt);
9006: strcpy(cmd_line->cmd, opt);
9007: cmd_line->cmd[cmd_line->len] = 0x0d;
9008:
1.1.1.28 root 9009: try {
9010: if(msdos_process_exec(command, param, 0)) {
9011: REG16(AX) = 0xffff; // error before processing command
9012: } else {
9013: // set flag to set retval to ax when the started process is terminated
9014: process_t *process = msdos_process_info_get(current_psp);
9015: process->called_by_int2eh = true;
9016: }
9017: } catch(...) {
9018: REG16(AX) = 0xffff; // error before processing command
9019: }
1.1 root 9020: }
9021:
1.1.1.29 root 9022: inline void msdos_int_2fh_05h()
9023: {
9024: switch(REG8(AL)) {
9025: case 0x00:
9026: // Critical Error Handler is not installed
9027: // REG8(AL) = 0x00;
9028: break;
9029: default:
9030: 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));
9031: // error code can't be converted to string
9032: // REG16(AX) = 0x01;
9033: m_CF = 1;
9034: break;
9035: }
9036: }
9037:
1.1.1.22 root 9038: inline void msdos_int_2fh_11h()
9039: {
9040: switch(REG8(AL)) {
9041: case 0x00:
1.1.1.29 root 9042: if(i386_read_stack() == 0xdada) {
9043: // MSCDEX is not installed
9044: // REG8(AL) = 0x00;
9045: } else {
9046: // Network Redirector is not installed
9047: // REG8(AL) = 0x00;
9048: }
1.1.1.22 root 9049: break;
9050: default:
9051: 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 9052: REG16(AX) = 0x49; // network software not installed
1.1.1.22 root 9053: m_CF = 1;
9054: break;
9055: }
9056: }
9057:
1.1.1.21 root 9058: inline void msdos_int_2fh_12h()
9059: {
9060: switch(REG8(AL)) {
1.1.1.22 root 9061: case 0x00:
1.1.1.29 root 9062: // DOS 3.0+ internal functions are installed
1.1.1.22 root 9063: REG8(AL) = 0xff;
9064: break;
1.1.1.29 root 9065: // case 0x01: // DOS 3.0+ internal - Close Current File
9066: case 0x02:
9067: {
9068: UINT16 stack = i386_read_stack();
9069: REG16(BX) = *(UINT16 *)(mem + 4 * stack + 0);
9070: SREG(ES) = *(UINT16 *)(mem + 4 * stack + 2);
9071: i386_load_segment_descriptor(ES);
9072: }
9073: break;
1.1.1.30! root 9074: case 0x03:
! 9075: SREG(DS) = (DEVICE_TOP >> 4);
! 9076: i386_load_segment_descriptor(DS);
! 9077: break;
1.1.1.29 root 9078: case 0x04:
9079: {
9080: UINT16 stack = i386_read_stack();
9081: REG8(AL) = (stack == '/') ? '\\' : stack;
9082: #if defined(HAS_I386)
9083: m_ZF = (REG8(AL) == '\\');
9084: #else
9085: m_ZeroVal = (REG8(AL) != '\\');
9086: #endif
9087: }
9088: break;
9089: case 0x05:
9090: msdos_putch(i386_read_stack());
9091: break;
9092: // case 0x06: // DOS 3.0+ internal - Invole Critical Error
9093: // case 0x07: // DOS 3.0+ internal - Make Disk Buffer Most Recentry Used
9094: // case 0x08: // DOS 3.0+ internal - Decrement SFT Reference Count
9095: // case 0x09: // DOS 3.0+ internal - Flush and FREE Disk Buffer
9096: // case 0x0a: // DOS 3.0+ internal - Perform Critical Error Interrupt
9097: // case 0x0b: // DOS 3.0+ internal - Signal Sharing Violation to User
9098: // case 0x0c: // DOS 3.0+ internal - Open Device and Set SFT Owner/Mode
9099: case 0x0d:
9100: {
9101: SYSTEMTIME time;
9102: FILETIME file_time;
9103: WORD dos_date, dos_time;
9104: GetLocalTime(&time);
9105: SystemTimeToFileTime(&time, &file_time);
9106: FileTimeToDosDateTime(&file_time, &dos_date, &dos_time);
9107: REG16(AX) = dos_date;
9108: REG16(DX) = dos_time;
9109: }
9110: break;
9111: // case 0x0e: // DOS 3.0+ internal - Mark All Disk Buffers Unreferenced
9112: // case 0x0f: // DOS 3.0+ internal - Make Buffer Most Recentry Used
9113: // case 0x10: // DOS 3.0+ internal - Find Unreferenced Disk Buffer
9114: case 0x11:
9115: {
9116: char path[MAX_PATH], *p;
9117: strcpy(path, (char *)(mem + SREG_BASE(DS) + REG16(SI)));
9118: my_strupr(path);
9119: while((p = my_strchr(path, '/')) != NULL) {
9120: *p = '\\';
9121: }
9122: strcpy((char *)(mem + SREG_BASE(ES) + REG16(DI)), path);
9123: }
9124: break;
9125: case 0x12:
9126: REG16(CX) = strlen((char *)(mem + SREG_BASE(ES) + REG16(DI)));
9127: break;
9128: case 0x13:
9129: {
9130: char tmp[2] = {0};
9131: tmp[0] = i386_read_stack();
9132: my_strupr(tmp);
9133: REG8(AL) = tmp[0];
9134: }
9135: break;
9136: case 0x14:
9137: #if defined(HAS_I386)
9138: m_ZF = (SREG_BASE(DS) + REG16(SI) == SREG_BASE(ES) + REG16(DI));
9139: #else
9140: m_ZeroVal = (SREG_BASE(DS) + REG16(SI) != SREG_BASE(ES) + REG16(DI));
9141: #endif
9142: m_CF = (SREG_BASE(DS) + REG16(SI) != SREG_BASE(ES) + REG16(DI));
9143: break;
9144: // case 0x15: // DOS 3.0+ internal - Flush Buffer
1.1.1.21 root 9145: case 0x16:
9146: if(REG16(BX) < 20) {
9147: SREG(ES) = SFT_TOP >> 4;
9148: i386_load_segment_descriptor(ES);
9149: REG16(DI) = 6 + 0x3b * REG16(BX);
9150:
9151: // update system file table
9152: UINT8* sft = mem + SFT_TOP + 6 + 0x3b * REG16(BX);
9153: if(file_handler[REG16(BX)].valid) {
9154: int count = 0;
9155: for(int i = 0; i < 20; i++) {
9156: if(msdos_psp_get_file_table(i, current_psp) == REG16(BX)) {
9157: count++;
9158: }
9159: }
9160: *(UINT16 *)(sft + 0x00) = count ? count : 0xffff;
9161: *(UINT32 *)(sft + 0x15) = _tell(REG16(BX));
9162: _lseek(REG16(BX), 0, SEEK_END);
9163: *(UINT32 *)(sft + 0x11) = _tell(REG16(BX));
9164: _lseek(REG16(BX), *(UINT32 *)(sft + 0x15), SEEK_SET);
9165: } else {
9166: memset(sft, 0, 0x3b);
9167: }
9168: } else {
9169: REG16(AX) = 0x06;
9170: m_CF = 1;
9171: }
9172: break;
1.1.1.29 root 9173: // case 0x17: // DOS 3.0+ internal - Get Current Directory Structure for Drive
9174: // case 0x18: // DOS 3.0+ internal - Get Caller's Registers
9175: // case 0x19: // DOS 3.0+ internal - Set Drive???
9176: case 0x1a:
9177: {
9178: char *path = (char *)(mem + SREG_BASE(DS) + REG16(SI)), full[MAX_PATH];
9179: if(path[1] == ':') {
9180: if(path[0] >= 'a' && path[0] <= 'z') {
9181: REG8(AL) = path[0] - 'a' + 1;
9182: } else if(path[0] >= 'A' && path[0] <= 'Z') {
9183: REG8(AL) = path[0] - 'A' + 1;
9184: } else {
9185: REG8(AL) = 0xff; // invalid
9186: }
9187: strcpy(full, path);
9188: strcpy(path, full + 2);
9189: } else if(GetFullPathName(path, MAX_PATH, full, NULL) != 0 && full[1] == ':') {
9190: if(full[0] >= 'a' && full[0] <= 'z') {
9191: REG8(AL) = full[0] - 'a' + 1;
9192: } else if(full[0] >= 'A' && full[0] <= 'Z') {
9193: REG8(AL) = full[0] - 'A' + 1;
9194: } else {
9195: REG8(AL) = 0xff; // invalid
9196: }
9197: } else {
9198: REG8(AL) = 0x00; // default
9199: }
9200: }
9201: break;
9202: case 0x1b:
9203: {
9204: int year = REG16(CX) + 1980;
9205: REG8(AL) = ((year % 4) == 0 && (year % 100) != 0 && (year % 400) == 0) ? 29 : 28;
9206: }
9207: break;
9208: // case 0x1c: // DOS 3.0+ internal - Check Sum Memory
9209: // case 0x1d: // DOS 3.0+ internal - Sum Memory
9210: case 0x1e:
9211: {
9212: char *path_1st = (char *)(mem + SREG_BASE(DS) + REG16(SI)), full_1st[MAX_PATH];
9213: char *path_2nd = (char *)(mem + SREG_BASE(ES) + REG16(DI)), full_2nd[MAX_PATH];
9214: if(GetFullPathName(path_1st, MAX_PATH, full_1st, NULL) != 0 && GetFullPathName(path_2nd, MAX_PATH, full_2nd, NULL) != 0) {
9215: #if defined(HAS_I386)
9216: m_ZF = (strcmp(full_1st, full_2nd) == 0);
9217: #else
9218: m_ZeroVal = (strcmp(full_1st, full_2nd) != 0);
9219: #endif
9220: } else {
9221: #if defined(HAS_I386)
9222: m_ZF = (strcmp(path_1st, path_2nd) == 0);
9223: #else
9224: m_ZeroVal = (strcmp(path_1st, path_2nd) != 0);
9225: #endif
9226: }
9227: }
9228: break;
9229: // case 0x1f: // DOS 3.0+ internal - Build Current Directory Structure
1.1.1.21 root 9230: case 0x20:
9231: {
9232: int fd = msdos_psp_get_file_table(REG16(BX), current_psp);
9233:
9234: if(fd < 20) {
9235: SREG(ES) = current_psp;
9236: i386_load_segment_descriptor(ES);
9237: REG16(DI) = offsetof(psp_t, file_table) + fd;
9238: } else {
9239: REG16(AX) = 0x06;
9240: m_CF = 1;
9241: }
9242: }
9243: break;
1.1.1.29 root 9244: case 0x21:
9245: msdos_int_21h_60h(0);
9246: break;
9247: // case 0x22: // DOS 3.0+ internal - Set Extended Error Info
9248: // case 0x23: // DOS 3.0+ internal - Check If Character Device
9249: // case 0x24: // DOS 3.0+ internal - Sharing Retry Delay
9250: case 0x25:
9251: REG16(CX) = strlen((char *)(mem + SREG_BASE(DS) + REG16(SI)));
9252: break;
9253: case 0x26:
9254: REG8(AL) = REG8(CL);
9255: msdos_int_21h_3dh();
9256: break;
9257: case 0x27:
9258: msdos_int_21h_3eh();
9259: break;
9260: case 0x28:
9261: REG16(AX) = REG16(BP);
9262: msdos_int_21h_42h();
9263: break;
9264: case 0x29:
9265: msdos_int_21h_3fh();
9266: break;
9267: // case 0x2a: // DOS 3.0+ internal - Set Fast Open Entry Point
9268: case 0x2b:
9269: REG16(AX) = REG16(BP);
9270: msdos_int_21h_44h();
9271: break;
9272: case 0x2c:
9273: REG16(BX) = DEVICE_TOP >> 4;
9274: REG16(AX) = 22;
9275: break;
9276: case 0x2d:
9277: {
9278: sda_t *sda = (sda_t *)(mem + SDA_TOP);
9279: REG16(AX) = sda->extended_error_code;
9280: }
9281: break;
9282: case 0x2e:
9283: if(REG8(DL) == 0x00 || REG8(DL) == 0x02 || REG8(DL) == 0x04 || REG8(DL) == 0x06) {
9284: SREG(ES) = ERR_TABLE_TOP >> 4;
1.1.1.22 root 9285: i386_load_segment_descriptor(ES);
9286: REG16(DI) = 0;
9287: }
9288: break;
1.1.1.29 root 9289: case 0x2f:
9290: if(REG16(DX) != 0) {
1.1.1.30! root 9291: dos_major_version = REG8(DL);
! 9292: dos_minor_version = REG8(DH);
1.1.1.29 root 9293: } else {
9294: REG8(DL) = 7;
9295: REG8(DH) = 10;
9296: }
9297: break;
9298: // case 0x30: // Windows95 - Find SFT Entry in Internal File Tables
9299: // case 0x31: // Windows95 - Set/Clear "Report Windows to DOS Programs" Flag
1.1.1.22 root 9300: default:
9301: 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));
9302: REG16(AX) = 0x01;
9303: m_CF = 1;
9304: break;
9305: }
9306: }
9307:
1.1.1.30! root 9308: inline void msdos_int_2fh_13h()
! 9309: {
! 9310: static UINT16 prevDS = 0, prevDX = 0;
! 9311: static UINT16 prevES = 0, prevBX = 0;
! 9312: UINT16 tmp;
! 9313:
! 9314: tmp = SREG(DS); SREG(DS) = prevDS; prevDS = tmp;
! 9315: i386_load_segment_descriptor(DS);
! 9316: tmp = REG16(DX); REG16(DX) = prevDX; prevDX = tmp;
! 9317:
! 9318: tmp = SREG(ES); SREG(ES) = prevES; prevES = tmp;
! 9319: i386_load_segment_descriptor(ES);
! 9320: tmp = REG16(BX); REG16(BX) = prevBX; prevBX = tmp;
! 9321: }
! 9322:
1.1.1.22 root 9323: inline void msdos_int_2fh_14h()
9324: {
9325: switch(REG8(AL)) {
9326: case 0x00:
1.1.1.29 root 9327: // NLSFUNC.COM is installed
9328: REG8(AL) = 0xff;
1.1.1.25 root 9329: break;
9330: case 0x01:
9331: case 0x03:
9332: REG8(AL) = 0x00;
9333: active_code_page = REG16(BX);
9334: msdos_nls_tables_update();
9335: break;
9336: case 0x02:
9337: REG8(AL) = get_extended_country_info(REG16(BP));
9338: break;
9339: case 0x04:
9340: REG8(AL) = 0x00;
9341: get_country_info((country_info_t *)(mem + SREG_BASE(ES) + REG16(DI)));
1.1.1.22 root 9342: break;
9343: default:
9344: 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));
9345: REG16(AX) = 0x01;
9346: m_CF = 1;
9347: break;
9348: }
9349: }
9350:
9351: inline void msdos_int_2fh_15h()
9352: {
9353: switch(REG8(AL)) {
1.1.1.29 root 9354: case 0x00: // CD-ROM - Installation Check
9355: if(REG16(BX) == 0x0000) {
9356: // MSCDEX is not installed
9357: // REG8(AL) = 0x00;
9358: } else {
9359: // GRAPHICS.COM is not installed
9360: // REG8(AL) = 0x00;
9361: }
1.1.1.22 root 9362: break;
9363: case 0xff:
1.1.1.29 root 9364: if(REG16(BX) == 0x0000) {
9365: // CORELCDX is not installed
9366: } else {
9367: 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));
9368: REG16(AX) = 0x01;
9369: m_CF = 1;
9370: }
1.1.1.22 root 9371: break;
1.1.1.21 root 9372: default:
1.1.1.22 root 9373: 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 9374: REG16(AX) = 0x01;
9375: m_CF = 1;
9376: break;
9377: }
9378: }
9379:
1.1 root 9380: inline void msdos_int_2fh_16h()
9381: {
9382: switch(REG8(AL)) {
9383: case 0x00:
1.1.1.14 root 9384: if(no_windows) {
1.1.1.29 root 9385: // neither Windows 3.x enhanced mode nor Windows/386 2.x running
9386: // REG8(AL) = 0x00;
1.1.1.14 root 9387: } else {
1.1.1.30! root 9388: REG8(AL) = win_major_version;
! 9389: REG8(AH) = win_minor_version;
1.1 root 9390: }
9391: break;
1.1.1.30! root 9392: case 0x05:
! 9393: // from DOSBox
! 9394: i386_set_a20_line(1);
! 9395: break;
1.1.1.22 root 9396: case 0x0a:
9397: if(!no_windows) {
9398: REG16(AX) = 0x0000;
1.1.1.30! root 9399: REG8(BH) = win_major_version;
! 9400: REG8(BL) = win_minor_version;
1.1.1.22 root 9401: REG16(CX) = 0x0003; // enhanced
9402: }
9403: break;
1.1.1.30! root 9404: case 0x0b:
! 9405: // no TRS, keep ES:DI = 0000h:0000h
1.1.1.22 root 9406: case 0x0e:
9407: case 0x0f:
1.1.1.30! root 9408: case 0x10:
1.1.1.22 root 9409: case 0x11:
9410: case 0x12:
9411: case 0x13:
9412: case 0x14:
1.1.1.30! root 9413: case 0x15:
1.1.1.22 root 9414: case 0x87:
1.1.1.30! root 9415: case 0x89:
1.1.1.22 root 9416: // function not supported, do not clear AX
9417: break;
1.1.1.14 root 9418: case 0x80:
9419: Sleep(10);
9420: hardware_update();
1.1.1.29 root 9421: REG8(AL) = 0x00;
1.1.1.14 root 9422: break;
1.1.1.22 root 9423: case 0x8e:
9424: REG16(AX) = 0x00; // failed
9425: break;
1.1.1.20 root 9426: case 0x8f:
9427: switch(REG8(DH)) {
9428: case 0x00:
9429: case 0x02:
9430: case 0x03:
9431: REG16(AX) = 0x00;
9432: break;
9433: case 0x01:
9434: REG16(AX) = 0x168f;
9435: break;
9436: }
9437: break;
1.1 root 9438: default:
1.1.1.22 root 9439: 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));
9440: REG16(AX) = 0x01;
9441: m_CF = 1;
9442: break;
9443: }
9444: }
9445:
9446: inline void msdos_int_2fh_19h()
9447: {
9448: switch(REG8(AL)) {
9449: case 0x00:
1.1.1.29 root 9450: // SHELLB.COM is not installed
9451: // REG8(AL) = 0x00;
1.1.1.22 root 9452: break;
9453: case 0x01:
9454: case 0x02:
9455: case 0x03:
9456: case 0x04:
9457: REG16(AX) = 0x01;
9458: m_CF = 1;
9459: break;
1.1.1.29 root 9460: case 0x80:
9461: // IBM ROM-DOS v4.0 is not installed
9462: // REG8(AL) = 0x00;
9463: break;
1.1.1.22 root 9464: default:
9465: 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 9466: REG16(AX) = 0x01;
1.1.1.3 root 9467: m_CF = 1;
1.1 root 9468: break;
9469: }
9470: }
9471:
9472: inline void msdos_int_2fh_1ah()
9473: {
9474: switch(REG8(AL)) {
9475: case 0x00:
1.1.1.29 root 9476: // ANSI.SYS is installed
1.1 root 9477: REG8(AL) = 0xff;
9478: break;
9479: default:
1.1.1.22 root 9480: 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));
9481: REG16(AX) = 0x01;
9482: m_CF = 1;
9483: break;
9484: }
9485: }
9486:
1.1.1.30! root 9487: inline void msdos_int_2fh_40h()
1.1.1.22 root 9488: {
9489: switch(REG8(AL)) {
9490: case 0x00:
1.1.1.30! root 9491: // Windows 3+ - Get Virtual Device Driver (VDD) Capabilities
! 9492: REG8(AL) = 0x01; // does not virtualize video access
1.1.1.22 root 9493: break;
9494: default:
9495: 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 9496: REG16(AX) = 0x01;
1.1.1.3 root 9497: m_CF = 1;
1.1 root 9498: break;
9499: }
9500: }
9501:
9502: inline void msdos_int_2fh_43h()
9503: {
9504: switch(REG8(AL)) {
9505: case 0x00:
1.1.1.29 root 9506: // XMS is installed ?
1.1.1.19 root 9507: #ifdef SUPPORT_XMS
9508: if(support_xms) {
9509: REG8(AL) = 0x80;
9510: } else
9511: #endif
9512: REG8(AL) = 0x00;
9513: break;
9514: case 0x10:
9515: SREG(ES) = XMS_TOP >> 4;
9516: i386_load_segment_descriptor(ES);
1.1.1.26 root 9517: REG16(BX) = 0x15;
1.1 root 9518: break;
9519: default:
1.1.1.22 root 9520: 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));
9521: REG16(AX) = 0x01;
9522: m_CF = 1;
9523: break;
9524: }
9525: }
9526:
9527: inline void msdos_int_2fh_46h()
9528: {
9529: switch(REG8(AL)) {
9530: case 0x80:
1.1.1.29 root 9531: // Windows v3.0 is not installed
9532: // REG8(AL) = 0x00;
1.1.1.22 root 9533: break;
9534: default:
9535: 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));
9536: REG16(AX) = 0x01;
9537: m_CF = 1;
9538: break;
9539: }
9540: }
9541:
9542: inline void msdos_int_2fh_48h()
9543: {
9544: switch(REG8(AL)) {
9545: case 0x00:
1.1.1.29 root 9546: // DOSKEY is not installed
9547: // REG8(AL) = 0x00;
1.1.1.22 root 9548: break;
9549: case 0x10:
9550: msdos_int_21h_0ah();
9551: REG16(AX) = 0x00;
9552: break;
9553: default:
9554: 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 9555: REG16(AX) = 0x01;
1.1.1.3 root 9556: m_CF = 1;
1.1 root 9557: break;
9558: }
9559: }
9560:
9561: inline void msdos_int_2fh_4ah()
9562: {
9563: switch(REG8(AL)) {
1.1.1.29 root 9564: #ifdef SUPPORT_HMA
9565: case 0x01: // DOS 5.0+ - Query Free HMA Space
9566: if(!is_hma_used_by_xms && !is_hma_used_by_int_2fh) {
9567: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
9568: // restore first free mcb in high memory area
9569: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
9570: }
9571: int offset = 0xffff;
9572: if((REG16(BX) = msdos_hma_mem_get_free(&offset)) != 0) {
9573: REG16(DI) = offset + 0x10;
9574: } else {
9575: REG16(DI) = 0xffff;
9576: }
9577: } else {
9578: // HMA is already used
9579: REG16(BX) = 0;
9580: REG16(DI) = 0xffff;
9581: }
9582: SREG(ES) = 0xffff;
9583: i386_load_segment_descriptor(ES);
9584: break;
9585: case 0x02: // DOS 5.0+ - Allocate HMA Space
9586: if(!is_hma_used_by_xms && !is_hma_used_by_int_2fh) {
9587: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
9588: // restore first free mcb in high memory area
9589: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
9590: }
9591: int size = REG16(BX), offset;
9592: if((size % 16) != 0) {
9593: size &= ~15;
9594: size += 16;
9595: }
9596: if((offset = msdos_hma_mem_alloc(size, current_psp)) != -1) {
9597: REG16(BX) = size;
9598: REG16(DI) = offset + 0x10;
9599: is_hma_used_by_int_2fh = true;
9600: } else {
9601: REG16(BX) = 0;
9602: REG16(DI) = 0xffff;
9603: }
9604: } else {
9605: // HMA is already used
9606: REG16(BX) = 0;
9607: REG16(DI) = 0xffff;
9608: }
9609: SREG(ES) = 0xffff;
9610: i386_load_segment_descriptor(ES);
9611: break;
9612: case 0x03: // Windows95 - (De)Allocate HMA Memory Block
9613: if(REG8(DL) == 0x00) {
9614: if(!is_hma_used_by_xms) {
9615: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
9616: // restore first free mcb in high memory area
9617: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
9618: is_hma_used_by_int_2fh = false;
9619: }
9620: int size = REG16(BX), offset;
9621: if((size % 16) != 0) {
9622: size &= ~15;
9623: size += 16;
9624: }
9625: if((offset = msdos_hma_mem_alloc(size, REG16(CX))) != -1) {
9626: // REG16(BX) = size;
9627: SREG(ES) = 0xffff;
9628: i386_load_segment_descriptor(ES);
9629: REG16(DI) = offset + 0x10;
9630: is_hma_used_by_int_2fh = true;
9631: } else {
9632: REG16(DI) = 0xffff;
9633: }
9634: } else {
9635: REG16(DI) = 0xffff;
9636: }
9637: } else if(REG8(DL) == 0x01) {
9638: if(!is_hma_used_by_xms) {
9639: int size = REG16(BX);
9640: if((size % 16) != 0) {
9641: size &= ~15;
9642: size += 16;
9643: }
9644: if(msdos_hma_mem_realloc(SREG_BASE(ES) + REG16(DI) - 0xffff0 - 0x10, size) != -1) {
9645: // memory block address is not changed
9646: } else {
9647: REG16(DI) = 0xffff;
9648: }
9649: } else {
9650: REG16(DI) = 0xffff;
9651: }
9652: } else if(REG8(DL) == 0x02) {
9653: if(!is_hma_used_by_xms) {
9654: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
9655: // restore first free mcb in high memory area
9656: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
9657: is_hma_used_by_int_2fh = false;
9658: } else {
9659: msdos_hma_mem_free(SREG_BASE(ES) + REG16(DI) - 0xffff0 - 0x10);
9660: if(msdos_hma_mem_get_free(NULL) == 0xffe0) {
9661: is_hma_used_by_int_2fh = false;
9662: }
9663: }
9664: }
9665: } else {
9666: 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));
9667: REG16(AX) = 0x01;
9668: m_CF = 1;
9669: }
9670: break;
9671: case 0x04: // Windows95 - Get Start of HMA Memory Chain
9672: if(!is_hma_used_by_xms) {
9673: if(!msdos_is_hma_mcb_valid((hma_mcb_t *)(mem + 0xffff0 + 0x10))) {
9674: // restore first free mcb in high memory area
9675: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
9676: is_hma_used_by_int_2fh = false;
9677: }
9678: REG16(AX) = 0x0000;
9679: SREG(ES) = 0xffff;
9680: i386_load_segment_descriptor(ES);
9681: REG16(DI) = 0x10;
9682: }
9683: break;
9684: #else
1.1 root 9685: case 0x01:
9686: case 0x02:
1.1.1.29 root 9687: // HMA is already used
1.1.1.27 root 9688: REG16(BX) = 0x0000;
1.1.1.3 root 9689: SREG(ES) = 0xffff;
9690: i386_load_segment_descriptor(ES);
1.1 root 9691: REG16(DI) = 0xffff;
9692: break;
1.1.1.19 root 9693: case 0x03:
9694: // unable to allocate
9695: REG16(DI) = 0xffff;
9696: break;
9697: case 0x04:
9698: // function not supported, do not clear AX
9699: break;
1.1.1.29 root 9700: #endif
9701: case 0x10:
9702: if(REG16(BX) == 0x0000) {
9703: // SMARTDRV is not installed
9704: } else {
9705: 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));
9706: REG16(AX) = 0x01;
9707: m_CF = 1;
9708: }
9709: break;
9710: case 0x11:
9711: if(REG16(BX) == 0x0000) {
9712: // DBLSPACE.BIN is not installed
9713: } else {
9714: 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));
9715: REG16(AX) = 0x01;
9716: m_CF = 1;
9717: }
1.1.1.22 root 9718: break;
9719: default:
9720: 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));
9721: REG16(AX) = 0x01;
9722: m_CF = 1;
9723: break;
9724: }
9725: }
9726:
9727: inline void msdos_int_2fh_4bh()
9728: {
9729: switch(REG8(AL)) {
1.1.1.24 root 9730: case 0x01:
1.1.1.22 root 9731: case 0x02:
1.1.1.29 root 9732: // Task Switcher is not installed
1.1.1.24 root 9733: break;
9734: case 0x03:
9735: // this call is available from within DOSSHELL even if the task switcher is not installed
9736: REG16(AX) = REG16(BX) = 0x0000; // no more avaiable switcher id
1.1.1.22 root 9737: break;
1.1.1.30! root 9738: case 0x04:
! 9739: REG16(BX) = 0x0000; // free switcher id successfully
! 9740: break;
1.1 root 9741: default:
1.1.1.22 root 9742: 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 9743: REG16(AX) = 0x01;
1.1.1.3 root 9744: m_CF = 1;
1.1 root 9745: break;
9746: }
9747: }
9748:
9749: inline void msdos_int_2fh_4fh()
9750: {
9751: switch(REG8(AL)) {
9752: case 0x00:
1.1.1.29 root 9753: // BILING is installed
1.1.1.27 root 9754: REG16(AX) = 0x0000;
9755: REG8(DL) = 0x01; // major version
9756: REG8(DH) = 0x00; // minor version
1.1 root 9757: break;
9758: case 0x01:
1.1.1.27 root 9759: REG16(AX) = 0x0000;
1.1 root 9760: REG16(BX) = active_code_page;
9761: break;
9762: default:
1.1.1.22 root 9763: 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));
9764: REG16(AX) = 0x01;
9765: m_CF = 1;
9766: break;
9767: }
9768: }
9769:
9770: inline void msdos_int_2fh_55h()
9771: {
9772: switch(REG8(AL)) {
9773: case 0x00:
9774: case 0x01:
9775: // 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));
9776: break;
9777: default:
9778: 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 9779: REG16(AX) = 0x01;
1.1.1.3 root 9780: m_CF = 1;
1.1 root 9781: break;
9782: }
9783: }
9784:
1.1.1.30! root 9785: inline void msdos_int_2fh_80h()
1.1.1.29 root 9786: {
9787: switch(REG8(AL)) {
9788: case 0x00:
1.1.1.30! root 9789: if(REG16(DX) == 0x0000) {
! 9790: // FAX BIOS is not installed
! 9791: // REG8(AL) = 0x00;
! 9792: } else {
! 9793: 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));
! 9794: REG16(AX) = 0x01;
! 9795: m_CF = 1;
! 9796: }
1.1.1.29 root 9797: break;
9798: default:
9799: 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));
9800: REG16(AX) = 0x01;
9801: m_CF = 1;
9802: break;
9803: }
9804: }
9805:
1.1.1.24 root 9806: inline void msdos_int_2fh_adh()
9807: {
9808: switch(REG8(AL)) {
9809: case 0x00:
1.1.1.29 root 9810: // DISPLAY.SYS is installed
1.1.1.24 root 9811: REG8(AL) = 0xff;
9812: REG16(BX) = 0x100; // ???
9813: break;
9814: case 0x01:
9815: active_code_page = REG16(BX);
9816: msdos_nls_tables_update();
9817: REG16(AX) = 0x01;
9818: break;
9819: case 0x02:
9820: REG16(BX) = active_code_page;
9821: break;
9822: case 0x03:
9823: // FIXME
9824: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 0) = 1;
9825: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2) = 3;
9826: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4) = 1;
9827: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 6) = active_code_page;
9828: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 8) = active_code_page;
9829: break;
9830: case 0x80:
9831: break; // keyb.com is not installed
9832: default:
9833: 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));
9834: REG16(AX) = 0x01;
9835: m_CF = 1;
9836: break;
9837: }
9838: }
9839:
1.1 root 9840: inline void msdos_int_2fh_aeh()
9841: {
9842: switch(REG8(AL)) {
9843: case 0x00:
1.1.1.28 root 9844: // FIXME: we need to check the given command line
9845: REG8(AL) = 0x00; // the command should be executed as usual
9846: // REG8(AL) = 0xff; // this command is a TSR extension to COMMAND.COM
1.1 root 9847: break;
9848: case 0x01:
9849: {
9850: char command[MAX_PATH];
9851: memset(command, 0, sizeof(command));
1.1.1.3 root 9852: memcpy(command, mem + SREG_BASE(DS) + REG16(SI) + 1, mem[SREG_BASE(DS) + REG16(SI)]);
1.1 root 9853:
9854: param_block_t *param = (param_block_t *)(mem + WORK_TOP);
9855: param->env_seg = 0;
9856: param->cmd_line.w.l = 44;
9857: param->cmd_line.w.h = (WORK_TOP >> 4);
9858: param->fcb1.w.l = 24;
9859: param->fcb1.w.h = (WORK_TOP >> 4);
9860: param->fcb2.w.l = 24;
9861: param->fcb2.w.h = (WORK_TOP >> 4);
9862:
9863: memset(mem + WORK_TOP + 24, 0x20, 20);
9864:
9865: cmd_line_t *cmd_line = (cmd_line_t *)(mem + WORK_TOP + 44);
1.1.1.3 root 9866: cmd_line->len = mem[SREG_BASE(DS) + REG16(BX) + 1];
9867: memcpy(cmd_line->cmd, mem + SREG_BASE(DS) + REG16(BX) + 2, cmd_line->len);
1.1 root 9868: cmd_line->cmd[cmd_line->len] = 0x0d;
9869:
1.1.1.28 root 9870: try {
9871: msdos_process_exec(command, param, 0);
9872: } catch(...) {
9873: fatalerror("failed to start '%s' by int 2Fh, AX=AE01h\n", command);
1.1 root 9874: }
9875: }
9876: break;
9877: default:
1.1.1.22 root 9878: 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 9879: REG16(AX) = 0x01;
1.1.1.3 root 9880: m_CF = 1;
1.1 root 9881: break;
9882: }
9883: }
9884:
9885: inline void msdos_int_2fh_b7h()
9886: {
9887: switch(REG8(AL)) {
9888: case 0x00:
1.1.1.30! root 9889: // APPEND is not installed
1.1.1.29 root 9890: // REG8(AL) = 0x00;
1.1 root 9891: break;
1.1.1.22 root 9892: case 0x07:
9893: case 0x11:
9894: break;
1.1 root 9895: default:
1.1.1.22 root 9896: 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 9897: REG16(AX) = 0x01;
1.1.1.3 root 9898: m_CF = 1;
1.1 root 9899: break;
9900: }
9901: }
9902:
1.1.1.30! root 9903: inline void msdos_int_2fh_d7h()
1.1.1.29 root 9904: {
9905: switch(REG8(AL)) {
1.1.1.30! root 9906: case 0x01:
! 9907: // Banyan VINES v4+ is not installed
1.1.1.29 root 9908: break;
9909: default:
9910: 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));
9911: REG16(AX) = 0x01;
9912: m_CF = 1;
9913: break;
9914: }
9915: }
9916:
1.1.1.24 root 9917: inline void msdos_int_33h_0000h()
9918: {
9919: REG16(AX) = 0xffff; // hardware/driver installed
9920: REG16(BX) = MAX_MOUSE_BUTTONS;
9921: }
9922:
9923: inline void msdos_int_33h_0001h()
9924: {
9925: if(!mouse.active) {
9926: if(!(dwConsoleMode & ENABLE_MOUSE_INPUT)) {
9927: SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), dwConsoleMode | ENABLE_MOUSE_INPUT);
9928: }
9929: mouse.active = true;
9930: pic[1].imr &= ~0x10; // enable irq12
9931: }
9932: }
9933:
9934: inline void msdos_int_33h_0002h()
9935: {
9936: if(mouse.active) {
9937: if(!(dwConsoleMode & ENABLE_MOUSE_INPUT)) {
9938: SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), dwConsoleMode);
9939: }
9940: mouse.active = false;
9941: pic[1].imr |= 0x10; // disable irq12
9942: }
9943: }
9944:
9945: inline void msdos_int_33h_0003h()
9946: {
9947: REG16(BX) = mouse.get_buttons();
9948: REG16(CX) = max(mouse.min_position.x, min(mouse.max_position.x, mouse.position.x));
9949: REG16(DX) = max(mouse.min_position.y, min(mouse.max_position.y, mouse.position.y));
9950: }
9951:
9952: inline void msdos_int_33h_0005h()
9953: {
9954: if(REG16(BX) < MAX_MOUSE_BUTTONS) {
9955: int idx = REG16(BX);
9956: REG16(BX) = mouse.buttons[idx].pressed_times;
9957: REG16(CX) = max(mouse.min_position.x, min(mouse.max_position.x, mouse.buttons[idx].pressed_position.x));
9958: REG16(DX) = max(mouse.min_position.y, min(mouse.max_position.y, mouse.buttons[idx].pressed_position.y));
9959: mouse.buttons[idx].pressed_times = 0;
9960: } else {
9961: REG16(BX) = REG16(CX) = REG16(DX) = 0x0000;
9962: }
9963: REG16(AX) = mouse.get_buttons();
9964: }
9965:
9966: inline void msdos_int_33h_0006h()
9967: {
9968: if(REG16(BX) < MAX_MOUSE_BUTTONS) {
9969: int idx = REG16(BX);
9970: REG16(BX) = mouse.buttons[idx].released_times;
9971: REG16(CX) = max(mouse.min_position.x, min(mouse.max_position.x, mouse.buttons[idx].released_position.x));
9972: REG16(DX) = max(mouse.min_position.y, min(mouse.max_position.y, mouse.buttons[idx].released_position.y));
9973: mouse.buttons[idx].released_times = 0;
9974: } else {
9975: REG16(BX) = REG16(CX) = REG16(DX) = 0x0000;
9976: }
9977: REG16(AX) = mouse.get_buttons();
9978: }
9979:
9980: inline void msdos_int_33h_0007h()
9981: {
9982: mouse.min_position.x = min(REG16(CX), REG16(DX));
9983: mouse.max_position.x = max(REG16(CX), REG16(DX));
9984: }
9985:
9986: inline void msdos_int_33h_0008h()
9987: {
9988: mouse.min_position.y = min(REG16(CX), REG16(DX));
9989: mouse.max_position.y = max(REG16(CX), REG16(DX));
9990: }
9991:
9992: inline void msdos_int_33h_0009h()
9993: {
9994: mouse.hot_spot[0] = REG16(BX);
9995: mouse.hot_spot[1] = REG16(CX);
9996: }
9997:
9998: inline void msdos_int_33h_000bh()
9999: {
10000: int dx = (mouse.position.x - mouse.prev_position.x) * mouse.mickey.x / 8;
10001: int dy = (mouse.position.y - mouse.prev_position.y) * mouse.mickey.y / 8;
10002: mouse.prev_position.x = mouse.position.x;
10003: mouse.prev_position.y = mouse.position.y;
10004: REG16(CX) = dx;
10005: REG16(DX) = dy;
10006: }
10007:
10008: inline void msdos_int_33h_000ch()
10009: {
10010: mouse.call_mask = REG16(CX);
10011: mouse.call_addr.w.l = REG16(DX);
10012: mouse.call_addr.w.h = SREG(ES);
10013: }
10014:
10015: inline void msdos_int_33h_000fh()
10016: {
10017: mouse.mickey.x = REG16(CX);
10018: mouse.mickey.y = REG16(DX);
10019: }
10020:
10021: inline void msdos_int_33h_0011h()
10022: {
10023: REG16(AX) = 0xffff;
10024: REG16(BX) = MAX_MOUSE_BUTTONS;
10025: }
10026:
10027: inline void msdos_int_33h_0014h()
10028: {
10029: UINT16 old_mask = mouse.call_mask;
10030: UINT16 old_ofs = mouse.call_addr.w.l;
10031: UINT16 old_seg = mouse.call_addr.w.h;
10032:
10033: mouse.call_mask = REG16(CX);
10034: mouse.call_addr.w.l = REG16(DX);
10035: mouse.call_addr.w.h = SREG(ES);
10036:
10037: REG16(CX) = old_mask;
10038: REG16(DX) = old_ofs;
10039: SREG(ES) = old_seg;
10040: i386_load_segment_descriptor(ES);
10041: }
10042:
10043: inline void msdos_int_33h_0015h()
10044: {
10045: REG16(BX) = sizeof(mouse);
10046: }
10047:
10048: inline void msdos_int_33h_0016h()
10049: {
10050: memcpy(mem + SREG_BASE(ES) + REG16(DX), &mouse, sizeof(mouse));
10051: }
10052:
10053: inline void msdos_int_33h_0017h()
10054: {
10055: memcpy(&mouse, mem + SREG_BASE(ES) + REG16(DX), sizeof(mouse));
10056: }
10057:
10058: inline void msdos_int_33h_001ah()
10059: {
10060: mouse.sensitivity[0] = REG16(BX);
10061: mouse.sensitivity[1] = REG16(CX);
10062: mouse.sensitivity[2] = REG16(DX);
10063: }
10064:
10065: inline void msdos_int_33h_001bh()
10066: {
10067: REG16(BX) = mouse.sensitivity[0];
10068: REG16(CX) = mouse.sensitivity[1];
10069: REG16(DX) = mouse.sensitivity[2];
10070: }
10071:
10072: inline void msdos_int_33h_001dh()
10073: {
10074: mouse.display_page = REG16(BX);
10075: }
10076:
10077: inline void msdos_int_33h_001eh()
10078: {
10079: REG16(BX) = mouse.display_page;
10080: }
10081:
10082: inline void msdos_int_33h_0021h()
10083: {
10084: REG16(AX) = 0xffff;
10085: REG16(BX) = MAX_MOUSE_BUTTONS;
10086: }
10087:
10088: inline void msdos_int_33h_0022h()
10089: {
10090: mouse.language = REG16(BX);
10091: }
10092:
10093: inline void msdos_int_33h_0023h()
10094: {
10095: REG16(BX) = mouse.language;
10096: }
10097:
10098: inline void msdos_int_33h_0024h()
10099: {
10100: REG16(BX) = 0x0805; // V8.05
10101: REG16(CX) = 0x0400; // PS/2
10102: }
10103:
10104: inline void msdos_int_33h_0026h()
10105: {
10106: REG16(BX) = 0x0000;
10107: REG16(CX) = mouse.max_position.x;
10108: REG16(DX) = mouse.max_position.y;
10109: }
10110:
10111: inline void msdos_int_33h_002ah()
10112: {
10113: REG16(AX) = mouse.active ? 0 : 0xffff;
10114: REG16(BX) = mouse.hot_spot[0];
10115: REG16(CX) = mouse.hot_spot[1];
10116: REG16(DX) = 4; // PS/2
10117: }
10118:
10119: inline void msdos_int_33h_0031h()
10120: {
10121: REG16(AX) = mouse.min_position.x;
10122: REG16(BX) = mouse.min_position.y;
10123: REG16(CX) = mouse.max_position.x;
10124: REG16(DX) = mouse.max_position.y;
10125: }
10126:
10127: inline void msdos_int_33h_0032h()
10128: {
10129: REG16(AX) = 0;
10130: // REG16(AX) |= 0x8000; // 0025h
10131: REG16(AX) |= 0x4000; // 0026h
10132: // REG16(AX) |= 0x2000; // 0027h
10133: // REG16(AX) |= 0x1000; // 0028h
10134: // REG16(AX) |= 0x0800; // 0029h
10135: REG16(AX) |= 0x0400; // 002ah
10136: // REG16(AX) |= 0x0200; // 002bh
10137: // REG16(AX) |= 0x0100; // 002ch
10138: // REG16(AX) |= 0x0080; // 002dh
10139: // REG16(AX) |= 0x0040; // 002eh
10140: REG16(AX) |= 0x0020; // 002fh
10141: // REG16(AX) |= 0x0010; // 0030h
10142: REG16(AX) |= 0x0008; // 0031h
10143: REG16(AX) |= 0x0004; // 0032h
10144: // REG16(AX) |= 0x0002; // 0033h
10145: // REG16(AX) |= 0x0001; // 0034h
10146: }
10147:
1.1.1.19 root 10148: inline void msdos_int_67h_40h()
10149: {
10150: if(!support_ems) {
10151: REG8(AH) = 0x84;
10152: } else {
10153: REG8(AH) = 0x00;
10154: }
10155: }
10156:
10157: inline void msdos_int_67h_41h()
10158: {
10159: if(!support_ems) {
10160: REG8(AH) = 0x84;
10161: } else {
10162: REG8(AH) = 0x00;
10163: REG16(BX) = EMS_TOP >> 4;
10164: }
10165: }
10166:
10167: inline void msdos_int_67h_42h()
10168: {
10169: if(!support_ems) {
10170: REG8(AH) = 0x84;
10171: } else {
10172: REG8(AH) = 0x00;
10173: REG16(BX) = free_ems_pages;
10174: REG16(DX) = MAX_EMS_PAGES;
10175: }
10176: }
10177:
10178: inline void msdos_int_67h_43h()
10179: {
10180: if(!support_ems) {
10181: REG8(AH) = 0x84;
10182: } else if(REG16(BX) > MAX_EMS_PAGES) {
10183: REG8(AH) = 0x87;
10184: } else if(REG16(BX) > free_ems_pages) {
10185: REG8(AH) = 0x88;
10186: } else if(REG16(BX) == 0) {
10187: REG8(AH) = 0x89;
10188: } else {
10189: for(int i = 0; i < MAX_EMS_HANDLES; i++) {
10190: if(!ems_handles[i].allocated) {
10191: ems_allocate_pages(i, REG16(BX));
10192: REG8(AH) = 0x00;
10193: REG16(DX) = i;
10194: return;
10195: }
10196: }
10197: REG8(AH) = 0x85;
10198: }
10199: }
10200:
10201: inline void msdos_int_67h_44h()
10202: {
10203: if(!support_ems) {
10204: REG8(AH) = 0x84;
10205: } else if(!(REG16(DX) < MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
10206: REG8(AH) = 0x83;
10207: } else if(!(REG16(BX) == 0xffff || REG16(BX) < ems_handles[REG16(DX)].pages)) {
10208: REG8(AH) = 0x8a;
10209: // } else if(!(REG8(AL) < 4)) {
10210: // REG8(AH) = 0x8b;
10211: } else if(REG16(BX) == 0xffff) {
10212: ems_unmap_page(REG8(AL) & 3);
10213: REG8(AH) = 0x00;
10214: } else {
10215: ems_map_page(REG8(AL) & 3, REG16(DX), REG16(BX));
10216: REG8(AH) = 0x00;
10217: }
10218: }
10219:
10220: inline void msdos_int_67h_45h()
10221: {
10222: if(!support_ems) {
10223: REG8(AH) = 0x84;
10224: } else if(!(REG16(DX) < MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
10225: REG8(AH) = 0x83;
10226: } else {
10227: ems_release_pages(REG16(DX));
10228: REG8(AH) = 0x00;
10229: }
10230: }
10231:
10232: inline void msdos_int_67h_46h()
10233: {
10234: if(!support_ems) {
10235: REG8(AH) = 0x84;
10236: } else {
1.1.1.29 root 10237: // REG16(AX) = 0x0032; // EMS 3.2
10238: REG16(AX) = 0x0040; // EMS 4.0
1.1.1.19 root 10239: }
10240: }
10241:
10242: inline void msdos_int_67h_47h()
10243: {
10244: // NOTE: the map data should be stored in the specified ems page, not process data
10245: process_t *process = msdos_process_info_get(current_psp);
10246:
10247: if(!support_ems) {
10248: REG8(AH) = 0x84;
10249: // } else if(!(REG16(DX) < MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
10250: // REG8(AH) = 0x83;
10251: } else if(process->ems_pages_stored) {
10252: REG8(AH) = 0x8d;
10253: } else {
10254: for(int i = 0; i < 4; i++) {
10255: process->ems_pages[i].handle = ems_pages[i].handle;
10256: process->ems_pages[i].page = ems_pages[i].page;
10257: process->ems_pages[i].mapped = ems_pages[i].mapped;
10258: }
10259: process->ems_pages_stored = true;
10260: REG8(AH) = 0x00;
10261: }
10262: }
10263:
10264: inline void msdos_int_67h_48h()
10265: {
10266: // NOTE: the map data should be restored from the specified ems page, not process data
10267: process_t *process = msdos_process_info_get(current_psp);
10268:
10269: if(!support_ems) {
10270: REG8(AH) = 0x84;
10271: // } else if(!(REG16(DX) < MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
10272: // REG8(AH) = 0x83;
10273: } else if(!process->ems_pages_stored) {
10274: REG8(AH) = 0x8e;
10275: } else {
10276: for(int i = 0; i < 4; i++) {
10277: if(process->ems_pages[i].mapped) {
10278: ems_map_page(i, process->ems_pages[i].handle, process->ems_pages[i].page);
10279: } else {
10280: ems_unmap_page(i);
10281: }
10282: }
10283: process->ems_pages_stored = false;
10284: REG8(AH) = 0x00;
10285: }
10286: }
10287:
10288: inline void msdos_int_67h_4bh()
10289: {
10290: if(!support_ems) {
10291: REG8(AH) = 0x84;
10292: } else {
10293: REG8(AH) = 0x00;
10294: REG16(BX) = 0;
10295: for(int i = 0; i < MAX_EMS_HANDLES; i++) {
10296: if(ems_handles[i].allocated) {
10297: REG16(BX)++;
10298: }
10299: }
10300: }
10301: }
10302:
10303: inline void msdos_int_67h_4ch()
10304: {
10305: if(!support_ems) {
10306: REG8(AH) = 0x84;
10307: } else if(!(REG16(DX) < MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
10308: REG8(AH) = 0x83;
10309: } else {
10310: REG8(AH) = 0x00;
10311: REG16(BX) = ems_handles[REG16(DX)].pages;
10312: }
10313: }
10314:
10315: inline void msdos_int_67h_4dh()
10316: {
10317: if(!support_ems) {
10318: REG8(AH) = 0x84;
10319: } else {
10320: REG8(AH) = 0x00;
10321: REG16(BX) = 0;
10322: for(int i = 0; i < MAX_EMS_HANDLES; i++) {
10323: if(ems_handles[i].allocated) {
10324: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * REG16(BX) + 0) = i;
10325: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * REG16(BX) + 2) = ems_handles[i].pages;
10326: REG16(BX)++;
10327: }
10328: }
10329: }
10330: }
10331:
1.1.1.20 root 10332: inline void msdos_int_67h_4eh()
10333: {
10334: if(!support_ems) {
10335: REG8(AH) = 0x84;
10336: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01 || REG8(AL) == 0x02) {
10337: if(REG8(AL) == 0x00 || REG8(AL) == 0x02) {
10338: // save page map
10339: for(int i = 0; i < 4; i++) {
10340: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 0) = ems_pages[i].mapped ? ems_pages[i].handle : 0xffff;
10341: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 2) = ems_pages[i].mapped ? ems_pages[i].page : 0xffff;
10342: }
10343: }
10344: if(REG8(AL) == 0x01 || REG8(AL) == 0x02) {
10345: // restore page map
10346: for(int i = 0; i < 4; i++) {
10347: UINT16 handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 0);
10348: UINT16 page = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 2);
10349:
10350: if(handle < MAX_EMS_HANDLES && ems_handles[handle].allocated && page < ems_handles[handle].pages) {
10351: ems_map_page(i, handle, page);
10352: } else {
10353: ems_unmap_page(i);
10354: }
10355: }
10356: }
10357: REG8(AH) = 0x00;
10358: } else if(REG8(AL) == 0x03) {
10359: REG8(AH) = 0x00;
1.1.1.21 root 10360: REG8(AL) = 4 * 4;
10361: } else {
1.1.1.22 root 10362: 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 10363: REG8(AH) = 0x8f;
10364: }
10365: }
10366:
10367: inline void msdos_int_67h_4fh()
10368: {
10369: if(!support_ems) {
10370: REG8(AH) = 0x84;
10371: } else if(REG8(AL) == 0x00) {
10372: int count = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI));
10373:
10374: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI)) = count;
10375: for(int i = 0; i < count; i++) {
10376: UINT16 segment = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 2 * i);
10377: UINT16 physical = ((segment << 4) - EMS_TOP) / 0x4000;
10378:
10379: // if(!(physical < 4)) {
10380: // REG8(AH) = 0x8b;
10381: // return;
10382: // }
10383: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2 + 6 * i + 0) = segment;
10384: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2 + 6 * i + 2) = ems_pages[physical & 3].handle;
10385: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 2 + 6 * i + 4) = ems_pages[physical & 3].mapped ? ems_pages[physical & 3].page : 0xffff;
10386: }
10387: REG8(AH) = 0x00;
10388: } else if(REG8(AL) == 0x01) {
10389: int count = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI));
10390:
10391: for(int i = 0; i < count; i++) {
10392: UINT16 segment = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 6 * i + 0);
10393: UINT16 physical = ((segment << 4) - EMS_TOP) / 0x4000;
10394: UINT16 handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 6 * i + 2);
10395: UINT16 logical = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 2 + 6 * i + 4);
10396:
10397: // if(!(physical < 4)) {
10398: // REG8(AH) = 0x8b;
10399: // return;
10400: // } else
10401: if(!(handle < MAX_EMS_HANDLES && ems_handles[handle].allocated)) {
10402: REG8(AH) = 0x83;
10403: return;
10404: } else if(logical == 0xffff) {
10405: ems_unmap_page(physical & 3);
10406: } else if(logical < ems_handles[handle].pages) {
10407: ems_map_page(physical & 3, handle, logical);
10408: } else {
10409: REG8(AH) = 0x8a;
10410: return;
10411: }
10412: }
10413: REG8(AH) = 0x00;
10414: } else if(REG8(AL) == 0x02) {
10415: REG8(AH) = 0x00;
10416: REG8(AL) = 2 + REG16(BX) * 6;
1.1.1.20 root 10417: } else {
1.1.1.22 root 10418: 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 10419: REG8(AH) = 0x8f;
10420: }
10421: }
10422:
10423: inline void msdos_int_67h_50h()
10424: {
10425: if(!support_ems) {
10426: REG8(AH) = 0x84;
10427: } else if(!(REG16(DX) < MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
10428: REG8(AH) = 0x83;
10429: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
10430: for(int i = 0; i < REG16(CX); i++) {
10431: int logical = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 0);
10432: int physical = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 4 * i + 2);
10433:
10434: if(REG8(AL) == 0x01) {
10435: physical = ((physical << 4) - EMS_TOP) / 0x4000;
10436: }
10437: // if(!(physical < 4)) {
10438: // REG8(AH) = 0x8b;
10439: // return;
10440: // } else
10441: if(logical == 0xffff) {
10442: ems_unmap_page(physical & 3);
10443: } else if(logical < ems_handles[REG16(DX)].pages) {
10444: ems_map_page(physical & 3, REG16(DX), logical);
10445: } else {
10446: REG8(AH) = 0x8a;
10447: return;
10448: }
10449: }
10450: REG8(AH) = 0x00;
10451: } else {
1.1.1.22 root 10452: 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 10453: REG8(AH) = 0x8f;
10454: }
10455: }
10456:
1.1.1.19 root 10457: inline void msdos_int_67h_51h()
10458: {
10459: if(!support_ems) {
10460: REG8(AH) = 0x84;
10461: } else if(!(REG16(DX) < MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
10462: REG8(AH) = 0x83;
10463: } else if(REG16(BX) > MAX_EMS_PAGES) {
10464: REG8(AH) = 0x87;
10465: } else if(REG16(BX) > free_ems_pages + ems_handles[REG16(DX)].pages) {
10466: REG8(AH) = 0x88;
10467: } else {
10468: ems_reallocate_pages(REG16(DX), REG16(BX));
10469: REG8(AH) = 0x00;
10470: }
10471: }
10472:
1.1.1.20 root 10473: inline void msdos_int_67h_52h()
10474: {
10475: if(!support_ems) {
10476: REG8(AH) = 0x84;
10477: } else if(!(REG16(DX) < MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
10478: REG8(AH) = 0x83;
10479: } else if(REG8(AL) == 0x00) {
10480: REG8(AL) = 0x00; // handle is volatile
10481: REG8(AH) = 0x00;
10482: } else if(REG8(AL) == 0x01) {
10483: if(REG8(BL) == 0x00) {
10484: REG8(AH) = 0x00;
10485: } else {
10486: REG8(AH) = 0x90; // undefined attribute type
10487: }
10488: } else if(REG8(AL) == 0x02) {
10489: REG8(AL) = 0x00; // only volatile handles supported
10490: REG8(AH) = 0x00;
10491: } else {
1.1.1.22 root 10492: 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 10493: REG8(AH) = 0x8f;
10494: }
10495: }
10496:
1.1.1.19 root 10497: inline void msdos_int_67h_53h()
10498: {
10499: if(!support_ems) {
10500: REG8(AH) = 0x84;
10501: } else if(!(REG16(DX) < MAX_EMS_HANDLES && ems_handles[REG16(DX)].allocated)) {
10502: REG8(AH) = 0x83;
10503: } else if(REG8(AL) == 0x00) {
10504: memcpy(mem + SREG_BASE(ES) + REG16(DI), ems_handles[REG16(DX)].name, 8);
10505: REG8(AH) = 0x00;
10506: } else if(REG8(AL) == 0x01) {
10507: for(int i = 0; i < MAX_EMS_HANDLES; i++) {
10508: if(ems_handles[i].allocated && memcmp(ems_handles[REG16(DX)].name, mem + SREG_BASE(DS) + REG16(SI), 8) == 0) {
10509: REG8(AH) = 0xa1;
10510: return;
10511: }
10512: }
10513: REG8(AH) = 0x00;
10514: memcpy(ems_handles[REG16(DX)].name, mem + SREG_BASE(DS) + REG16(SI), 8);
10515: } else {
1.1.1.22 root 10516: 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 10517: REG8(AH) = 0x8f;
1.1.1.19 root 10518: }
10519: }
10520:
10521: inline void msdos_int_67h_54h()
10522: {
10523: if(!support_ems) {
10524: REG8(AH) = 0x84;
10525: } else if(REG8(AL) == 0x00) {
10526: for(int i = 0; i < MAX_EMS_HANDLES; i++) {
10527: if(ems_handles[i].allocated) {
10528: memcpy(mem + SREG_BASE(ES) + REG16(DI) + 10 * i + 2, ems_handles[i].name, 10);
10529: } else {
10530: memset(mem + SREG_BASE(ES) + REG16(DI) + 10 * i + 2, 0, 10);
10531: }
10532: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 10 * i + 0) = i;
10533: }
10534: REG8(AH) = 0x00;
10535: REG8(AL) = MAX_EMS_HANDLES;
10536: } else if(REG8(AL) == 0x01) {
10537: REG8(AH) = 0xa0; // not found
10538: for(int i = 0; i < MAX_EMS_HANDLES; i++) {
10539: if(ems_handles[i].allocated && memcmp(ems_handles[REG16(DX)].name, mem + SREG_BASE(DS) + REG16(SI), 8) == 0) {
10540: REG8(AH) = 0x00;
10541: REG16(DX) = i;
10542: break;
10543: }
10544: }
10545: } else if(REG8(AL) == 0x02) {
10546: REG8(AH) = 0x00;
10547: REG16(BX) = MAX_EMS_HANDLES;
10548: } else {
1.1.1.22 root 10549: 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 10550: REG8(AH) = 0x8f;
10551: }
10552: }
10553:
10554: inline void msdos_int_67h_57h_tmp()
10555: {
10556: UINT32 copy_length = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00);
10557: UINT8 src_type = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x04);
10558: UINT16 src_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x05);
10559: UINT16 src_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x07);
10560: UINT16 src_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x09);
10561: UINT8 dest_type = *(UINT8 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0b);
10562: UINT16 dest_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0c);
10563: UINT16 dest_ofs = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0e);
10564: UINT16 dest_seg = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x10);
10565:
10566: UINT8 *src_buffer, *dest_buffer;
10567: UINT32 src_addr, dest_addr;
10568: UINT32 src_addr_max, dest_addr_max;
10569:
10570: if(src_type == 0) {
10571: src_buffer = mem;
10572: src_addr = (src_seg << 4) + src_ofs;
10573: src_addr_max = MAX_MEM;
10574: } else {
10575: if(!(src_handle < MAX_EMS_HANDLES && ems_handles[src_handle].allocated)) {
10576: REG8(AH) = 0x83;
10577: return;
10578: } else if(!(src_seg < ems_handles[src_handle].pages)) {
10579: REG8(AH) = 0x8a;
10580: return;
10581: }
10582: src_buffer = ems_handles[src_handle].buffer + 0x4000 * src_seg;
10583: src_addr = src_ofs;
10584: src_addr_max = 0x4000;
10585: }
10586: if(dest_type == 0) {
10587: dest_buffer = mem;
10588: dest_addr = (dest_seg << 4) + dest_ofs;
10589: dest_addr_max = MAX_MEM;
10590: } else {
10591: if(!(dest_handle < MAX_EMS_HANDLES && ems_handles[dest_handle].allocated)) {
10592: REG8(AH) = 0x83;
10593: return;
10594: } else if(!(dest_seg < ems_handles[dest_handle].pages)) {
10595: REG8(AH) = 0x8a;
10596: return;
10597: }
10598: dest_buffer = ems_handles[dest_handle].buffer + 0x4000 * dest_seg;
10599: dest_addr = dest_ofs;
10600: dest_addr_max = 0x4000;
10601: }
10602: for(int i = 0; i < copy_length; i++) {
10603: if(src_addr < src_addr_max && dest_addr < dest_addr_max) {
10604: if(REG8(AL) == 0x00) {
10605: dest_buffer[dest_addr++] = src_buffer[src_addr++];
10606: } else if(REG8(AL) == 0x01) {
10607: UINT8 tmp = dest_buffer[dest_addr];
10608: dest_buffer[dest_addr++] = src_buffer[src_addr];
10609: src_buffer[src_addr++] = tmp;
10610: }
10611: } else {
10612: REG8(AH) = 0x93;
10613: return;
10614: }
10615: }
10616: REG8(AH) = 0x80;
10617: }
10618:
10619: inline void msdos_int_67h_57h()
10620: {
10621: if(!support_ems) {
10622: REG8(AH) = 0x84;
10623: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
10624: struct {
10625: UINT16 handle;
10626: UINT16 page;
10627: bool mapped;
10628: } tmp_pages[4];
10629:
10630: // unmap pages to copy memory data to ems buffer
10631: for(int i = 0; i < 4; i++) {
10632: tmp_pages[i].handle = ems_pages[i].handle;
10633: tmp_pages[i].page = ems_pages[i].page;
10634: tmp_pages[i].mapped = ems_pages[i].mapped;
10635: ems_unmap_page(i);
10636: }
10637:
10638: // run move/exchange operation
10639: msdos_int_67h_57h_tmp();
10640:
10641: // restore unmapped pages
10642: for(int i = 0; i < 4; i++) {
10643: if(tmp_pages[i].mapped) {
10644: ems_map_page(i, tmp_pages[i].handle, tmp_pages[i].page);
10645: }
10646: }
10647: } else {
1.1.1.22 root 10648: 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 10649: REG8(AH) = 0x8f;
10650: }
10651: }
10652:
10653: inline void msdos_int_67h_58h()
10654: {
10655: if(!support_ems) {
10656: REG8(AH) = 0x84;
10657: } else if(REG8(AL) == 0x00) {
10658: for(int i = 0; i < 4; i++) {
1.1.1.30! root 10659: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 0) = (EMS_TOP + 0x4000 * i) >> 4;
! 10660: *(UINT16 *)(mem + SREG_BASE(ES) + REG16(DI) + 4 * i + 2) = i;
1.1.1.20 root 10661: }
10662: REG8(AH) = 0x00;
10663: REG16(CX) = 4;
10664: } else if(REG8(AL) == 0x01) {
10665: REG8(AH) = 0x00;
10666: REG16(CX) = 4;
10667: } else {
1.1.1.22 root 10668: 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 10669: REG8(AH) = 0x8f;
10670: }
10671: }
10672:
10673: inline void msdos_int_67h_5ah()
10674: {
10675: if(!support_ems) {
1.1.1.19 root 10676: REG8(AH) = 0x84;
1.1.1.20 root 10677: } else if(REG16(BX) > MAX_EMS_PAGES) {
10678: REG8(AH) = 0x87;
10679: } else if(REG16(BX) > free_ems_pages) {
10680: REG8(AH) = 0x88;
10681: // } else if(REG16(BX) == 0) {
10682: // REG8(AH) = 0x89;
10683: } else if(REG8(AL) == 0x00 || REG8(AL) == 0x01) {
10684: for(int i = 0; i < MAX_EMS_HANDLES; i++) {
10685: if(!ems_handles[i].allocated) {
10686: ems_allocate_pages(i, REG16(BX));
10687: REG8(AH) = 0x00;
10688: REG16(DX) = i;
10689: return;
10690: }
10691: }
10692: REG8(AH) = 0x85;
10693: } else {
1.1.1.22 root 10694: 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 10695: REG8(AH) = 0x8f;
1.1.1.19 root 10696: }
10697: }
10698:
1.1.1.30! root 10699: inline void msdos_int_67h_deh()
! 10700: {
! 10701: REG8(AH) = 0x84;
! 10702: }
! 10703:
1.1.1.19 root 10704: #ifdef SUPPORT_XMS
10705:
1.1.1.26 root 10706: inline void msdos_xms_init()
10707: {
1.1.1.30! root 10708: emb_handle_top = (emb_handle_t *)calloc(1, sizeof(emb_handle_t));
! 10709: emb_handle_top->address = EMB_TOP;
! 10710: emb_handle_top->size_kb = (EMB_END - EMB_TOP) >> 10;
1.1.1.26 root 10711: xms_a20_local_enb_count = 0;
10712: }
10713:
1.1.1.30! root 10714: inline void msdos_xms_finish()
! 10715: {
! 10716: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL;) {
! 10717: emb_handle_t *next_handle = emb_handle->next;
! 10718: free(emb_handle);
! 10719: emb_handle = next_handle;
! 10720: }
! 10721: }
! 10722:
! 10723: emb_handle_t *msdos_xms_get_emb_handle(int handle)
! 10724: {
! 10725: if(handle != 0) {
! 10726: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
! 10727: if(emb_handle->handle == handle) {
! 10728: return(emb_handle);
! 10729: }
! 10730: }
! 10731: }
! 10732: return(NULL);
! 10733: }
! 10734:
! 10735: int msdos_xms_get_unused_emb_handle_id()
! 10736: {
! 10737: for(int handle = 1;; handle++) {
! 10738: if(msdos_xms_get_emb_handle(handle) == NULL) {
! 10739: return(handle);
! 10740: }
! 10741: }
! 10742: return(0);
! 10743: }
! 10744:
! 10745: int msdos_xms_get_unused_emb_handle_count()
! 10746: {
! 10747: int count = 64; //255;
! 10748:
! 10749: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
! 10750: if(emb_handle->handle != 0) {
! 10751: if(--count == 1) {
! 10752: break;
! 10753: }
! 10754: }
! 10755: }
! 10756: return(count);
! 10757: }
! 10758:
! 10759: void msdos_xms_split_emb_handle(emb_handle_t *emb_handle, int size_kb)
! 10760: {
! 10761: if(emb_handle->size_kb > size_kb) {
! 10762: emb_handle_t *new_handle = (emb_handle_t *)calloc(1, sizeof(emb_handle_t));
! 10763:
! 10764: new_handle->address = emb_handle->address + size_kb * 1024;
! 10765: new_handle->size_kb = emb_handle->size_kb - size_kb;
! 10766: emb_handle->size_kb = size_kb;
! 10767:
! 10768: new_handle->prev = emb_handle;
! 10769: new_handle->next = emb_handle->next;
! 10770: if(emb_handle->next != NULL) {
! 10771: emb_handle->next->prev = new_handle;
! 10772: }
! 10773: emb_handle->next = new_handle;
! 10774: }
! 10775: }
! 10776:
! 10777: void msdos_xms_combine_emb_handles(emb_handle_t *emb_handle)
! 10778: {
! 10779: emb_handle_t *next_handle = emb_handle->next;
! 10780:
! 10781: if(next_handle != NULL) {
! 10782: emb_handle->size_kb += next_handle->size_kb;
! 10783:
! 10784: if(next_handle->next != NULL) {
! 10785: next_handle->next->prev = emb_handle;
! 10786: }
! 10787: emb_handle->next = next_handle->next;
! 10788: free(next_handle);
! 10789: }
! 10790: }
! 10791:
! 10792: emb_handle_t *msdos_xms_alloc_emb_handle(int size_kb)
! 10793: {
! 10794: emb_handle_t *target_handle = NULL;
! 10795:
! 10796: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
! 10797: if(emb_handle->handle == 0 && emb_handle->size_kb >= size_kb) {
! 10798: if(target_handle == NULL || target_handle->size_kb > emb_handle->size_kb) {
! 10799: target_handle = emb_handle;
! 10800: }
! 10801: }
! 10802: }
! 10803: if(target_handle != NULL) {
! 10804: if(target_handle->size_kb > size_kb) {
! 10805: msdos_xms_split_emb_handle(target_handle, size_kb);
! 10806: }
! 10807: // target_handle->handle = msdos_xms_get_unused_emb_handle_id();
! 10808: return(target_handle);
! 10809: }
! 10810: return(NULL);
! 10811: }
! 10812:
! 10813: void msdos_xms_free_emb_handle(emb_handle_t *emb_handle)
! 10814: {
! 10815: emb_handle_t *prev_handle = emb_handle->prev;
! 10816: emb_handle_t *next_handle = emb_handle->next;
! 10817:
! 10818: if(prev_handle != NULL && prev_handle->handle == 0) {
! 10819: msdos_xms_combine_emb_handles(prev_handle);
! 10820: emb_handle = prev_handle;
! 10821: }
! 10822: if(next_handle != NULL && next_handle->handle == 0) {
! 10823: msdos_xms_combine_emb_handles(emb_handle);
! 10824: }
! 10825: emb_handle->handle = 0;
! 10826: }
! 10827:
1.1.1.19 root 10828: inline void msdos_call_xms_00h()
10829: {
1.1.1.29 root 10830: #if defined(HAS_I386)
10831: REG16(AX) = 0x0300; // V3.00 (XMS Version)
10832: REG16(BX) = 0x035f; // V3.95 (Driver Revision)
10833: #else
10834: REG16(AX) = 0x0200; // V2.00 (XMS Version)
10835: REG16(BX) = 0x0270; // V2.70 (Driver Revision)
10836: #endif
10837: // REG16(DX) = 0x0000; // HMA does not exist
10838: REG16(DX) = 0x0001; // HMA does exist
1.1.1.19 root 10839: }
10840:
10841: inline void msdos_call_xms_01h()
10842: {
1.1.1.29 root 10843: if(REG8(AL) == 0x40) {
10844: // HIMEM.SYS will fail function 01h with error code 91h if AL=40h and
10845: // DX=KB free extended memory returned by last call of function 08h
10846: REG16(AX) = 0x0000;
10847: REG8(BL) = 0x91;
10848: REG16(DX) = xms_dx_after_call_08h;
10849: } else if(memcmp(mem + 0x100003, "VDISK", 5) == 0) {
10850: REG16(AX) = 0x0000;
10851: REG8(BL) = 0x81; // Vdisk was detected
10852: #ifdef SUPPORT_HMA
10853: } else if(is_hma_used_by_int_2fh) {
10854: REG16(AX) = 0x0000;
10855: REG8(BL) = 0x90; // HMA does not exist or is not managed by XMS provider
10856: } else if(is_hma_used_by_xms) {
10857: REG16(AX) = 0x0000;
10858: REG8(BL) = 0x91; // HMA is already in use
10859: } else {
10860: REG16(AX) = 0x0001;
10861: is_hma_used_by_xms = true;
10862: #else
10863: } else {
10864: REG16(AX) = 0x0000;
10865: REG8(BL) = 0x91; // HMA is already in use
10866: #endif
10867: }
1.1.1.19 root 10868: }
10869:
10870: inline void msdos_call_xms_02h()
10871: {
1.1.1.29 root 10872: if(memcmp(mem + 0x100003, "VDISK", 5) == 0) {
10873: REG16(AX) = 0x0000;
10874: REG8(BL) = 0x81; // Vdisk was detected
10875: #ifdef SUPPORT_HMA
10876: } else if(is_hma_used_by_int_2fh) {
10877: REG16(AX) = 0x0000;
10878: REG8(BL) = 0x90; // HMA does not exist or is not managed by XMS provider
10879: } else if(!is_hma_used_by_xms) {
10880: REG16(AX) = 0x0000;
10881: REG8(BL) = 0x93; // HMA is not allocated
10882: } else {
10883: REG16(AX) = 0x0001;
10884: is_hma_used_by_xms = false;
10885: // restore first free mcb in high memory area
10886: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
10887: #else
10888: } else {
10889: REG16(AX) = 0x0000;
10890: REG8(BL) = 0x91; // HMA is already in use
10891: #endif
10892: }
1.1.1.19 root 10893: }
10894:
10895: inline void msdos_call_xms_03h()
10896: {
10897: i386_set_a20_line(1);
10898: REG16(AX) = 0x0001;
10899: REG8(BL) = 0x00;
10900: }
10901:
10902: inline void msdos_call_xms_04h()
10903: {
1.1.1.21 root 10904: i386_set_a20_line(0);
10905: REG16(AX) = 0x0001;
10906: REG8(BL) = 0x00;
1.1.1.19 root 10907: }
10908:
10909: inline void msdos_call_xms_05h()
10910: {
10911: i386_set_a20_line(1);
10912: REG16(AX) = 0x0001;
10913: REG8(BL) = 0x00;
1.1.1.21 root 10914: xms_a20_local_enb_count++;
1.1.1.19 root 10915: }
10916:
10917: void msdos_call_xms_06h()
10918: {
1.1.1.21 root 10919: if(xms_a20_local_enb_count > 0) {
10920: xms_a20_local_enb_count--;
10921: }
10922: if(xms_a20_local_enb_count == 0) {
1.1.1.19 root 10923: i386_set_a20_line(0);
1.1.1.21 root 10924: }
10925: if((m_a20_mask >> 20) & 1) {
1.1.1.19 root 10926: REG16(AX) = 0x0000;
10927: REG8(BL) = 0x94;
1.1.1.21 root 10928: } else {
10929: REG16(AX) = 0x0001;
10930: REG8(BL) = 0x00;
1.1.1.19 root 10931: }
10932: }
10933:
10934: inline void msdos_call_xms_07h()
10935: {
10936: REG16(AX) = (m_a20_mask >> 20) & 1;
10937: REG8(BL) = 0x00;
10938: }
10939:
10940: inline void msdos_call_xms_08h()
10941: {
10942: REG16(AX) = REG16(DX) = 0x0000;
10943:
1.1.1.30! root 10944: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
! 10945: if(emb_handle->handle == 0) {
! 10946: if(REG16(AX) < emb_handle->size_kb) {
! 10947: REG16(AX) = emb_handle->size_kb;
1.1.1.19 root 10948: }
1.1.1.30! root 10949: REG16(DX) += emb_handle->size_kb;
1.1.1.19 root 10950: }
10951: }
10952:
10953: if(REG16(AX) == 0 && REG16(DX) == 0) {
10954: REG8(BL) = 0xa0;
10955: } else {
10956: REG8(BL) = 0x00;
10957: }
1.1.1.29 root 10958: xms_dx_after_call_08h = REG16(DX);
1.1.1.19 root 10959: }
10960:
1.1.1.30! root 10961: void msdos_call_xms_09h(int size_kb)
1.1.1.19 root 10962: {
1.1.1.30! root 10963: emb_handle_t *emb_handle = msdos_xms_alloc_emb_handle(size_kb);
! 10964:
! 10965: if(emb_handle != NULL) {
! 10966: emb_handle->handle = msdos_xms_get_unused_emb_handle_id();
! 10967:
! 10968: REG16(AX) = 0x0001;
! 10969: REG16(DX) = emb_handle->handle;
! 10970: REG8(BL) = 0x00;
! 10971: } else {
! 10972: REG16(AX) = REG16(DX) = 0x0000;
! 10973: REG8(BL) = 0xa0;
1.1.1.19 root 10974: }
1.1.1.30! root 10975: }
! 10976:
! 10977: inline void msdos_call_xms_09h()
! 10978: {
! 10979: msdos_call_xms_09h(REG16(DX));
1.1.1.19 root 10980: }
10981:
10982: inline void msdos_call_xms_0ah()
10983: {
1.1.1.30! root 10984: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
! 10985:
! 10986: if(emb_handle == NULL) {
1.1.1.19 root 10987: REG16(AX) = 0x0000;
10988: REG8(BL) = 0xa2;
1.1.1.30! root 10989: } else if(emb_handle->lock > 0) {
1.1.1.19 root 10990: REG16(AX) = 0x0000;
10991: REG8(BL) = 0xab;
10992: } else {
1.1.1.30! root 10993: msdos_xms_free_emb_handle(emb_handle);
1.1.1.19 root 10994:
10995: REG16(AX) = 0x0001;
10996: REG8(BL) = 0x00;
10997: }
10998: }
10999:
11000: inline void msdos_call_xms_0bh()
11001: {
11002: UINT32 copy_length = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x00);
11003: UINT16 src_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x04);
11004: UINT32 src_addr = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x06);
11005: UINT16 dest_handle = *(UINT16 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0a);
11006: UINT32 dest_addr = *(UINT32 *)(mem + SREG_BASE(DS) + REG16(SI) + 0x0c);
11007:
11008: UINT8 *src_buffer, *dest_buffer;
11009: UINT32 src_addr_max, dest_addr_max;
1.1.1.30! root 11010: emb_handle_t *emb_handle;
1.1.1.19 root 11011:
11012: if(src_handle == 0) {
11013: src_buffer = mem;
11014: src_addr = (((src_addr >> 16) & 0xffff) << 4) + (src_addr & 0xffff);
11015: src_addr_max = MAX_MEM;
1.1.1.30! root 11016:
1.1.1.19 root 11017: } else {
1.1.1.30! root 11018: if((emb_handle = msdos_xms_get_emb_handle(src_handle)) == NULL) {
1.1.1.19 root 11019: REG16(AX) = 0x0000;
11020: REG8(BL) = 0xa3;
11021: return;
11022: }
1.1.1.30! root 11023: src_buffer = mem + emb_handle->address;
! 11024: src_addr_max = emb_handle->size_kb * 1024;
1.1.1.19 root 11025: }
11026: if(dest_handle == 0) {
11027: dest_buffer = mem;
11028: dest_addr = (((dest_addr >> 16) & 0xffff) << 4) + (dest_addr & 0xffff);
11029: dest_addr_max = MAX_MEM;
11030: } else {
1.1.1.30! root 11031: if((emb_handle = msdos_xms_get_emb_handle(dest_handle)) == NULL) {
1.1.1.19 root 11032: REG16(AX) = 0x0000;
11033: REG8(BL) = 0xa5;
11034: return;
11035: }
1.1.1.30! root 11036: dest_buffer = mem + emb_handle->address;
! 11037: dest_addr_max = emb_handle->size_kb * 1024;
1.1.1.19 root 11038: }
11039: for(int i = 0; i < copy_length; i++) {
11040: if(src_addr < src_addr_max && dest_addr < dest_addr_max) {
11041: dest_buffer[dest_addr++] = src_buffer[src_addr++];
11042: } else {
11043: break;
11044: }
11045: }
11046: REG16(AX) = 0x0001;
11047: REG8(BL) = 0x00;
11048: }
11049:
11050: inline void msdos_call_xms_0ch()
11051: {
1.1.1.30! root 11052: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
! 11053:
! 11054: if(emb_handle == NULL) {
1.1.1.19 root 11055: REG16(AX) = 0x0000;
11056: REG8(BL) = 0xa2;
11057: } else {
1.1.1.30! root 11058: emb_handle->lock++;
1.1.1.19 root 11059: REG16(AX) = 0x0001;
11060: REG8(BL) = 0x00;
1.1.1.30! root 11061: REG16(DX) = (emb_handle->address >> 16) & 0xffff;
! 11062: REG16(BX) = (emb_handle->address ) & 0xffff;
1.1.1.19 root 11063: }
11064: }
11065:
11066: inline void msdos_call_xms_0dh()
11067: {
1.1.1.30! root 11068: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
! 11069:
! 11070: if(emb_handle == NULL) {
1.1.1.19 root 11071: REG16(AX) = 0x0000;
11072: REG8(BL) = 0xa2;
1.1.1.30! root 11073: } else if(!(emb_handle->lock > 0)) {
1.1.1.19 root 11074: REG16(AX) = 0x0000;
11075: REG8(BL) = 0xaa;
11076: } else {
1.1.1.30! root 11077: emb_handle->lock--;
1.1.1.19 root 11078: REG16(AX) = 0x0001;
11079: REG8(BL) = 0x00;
11080: }
11081: }
11082:
11083: inline void msdos_call_xms_0eh()
11084: {
1.1.1.30! root 11085: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
! 11086:
! 11087: if(emb_handle == NULL) {
1.1.1.19 root 11088: REG16(AX) = 0x0000;
11089: REG8(BL) = 0xa2;
11090: } else {
11091: REG16(AX) = 0x0001;
1.1.1.30! root 11092: REG8(BH) = emb_handle->lock;
! 11093: REG8(BL) = msdos_xms_get_unused_emb_handle_count();
! 11094: REG16(DX) = emb_handle->size_kb;
1.1.1.19 root 11095: }
11096: }
11097:
1.1.1.30! root 11098: void msdos_call_xms_0fh(int size_kb)
1.1.1.19 root 11099: {
1.1.1.30! root 11100: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
! 11101:
! 11102: if(emb_handle == NULL) {
1.1.1.19 root 11103: REG16(AX) = 0x0000;
11104: REG8(BL) = 0xa2;
1.1.1.30! root 11105: } else if(emb_handle->lock > 0) {
1.1.1.19 root 11106: REG16(AX) = 0x0000;
11107: REG8(BL) = 0xab;
11108: } else {
1.1.1.30! root 11109: if(emb_handle->size_kb < size_kb) {
! 11110: if(emb_handle->next != NULL && emb_handle->next->handle == 0 && (emb_handle->size_kb + emb_handle->next->size_kb) >= size_kb) {
! 11111: msdos_xms_combine_emb_handles(emb_handle);
! 11112: if(emb_handle->size_kb > size_kb) {
! 11113: msdos_xms_split_emb_handle(emb_handle, size_kb);
! 11114: }
! 11115: } else {
! 11116: int old_handle = emb_handle->handle;
! 11117: int old_size_kb = emb_handle->size_kb;
! 11118: UINT8 *buffer = (UINT8 *)malloc(old_size_kb * 1024);
! 11119:
! 11120: memcpy(buffer, mem + emb_handle->address, old_size_kb * 1024);
! 11121: msdos_xms_free_emb_handle(emb_handle);
! 11122:
! 11123: if((emb_handle = msdos_xms_alloc_emb_handle(size_kb)) == NULL) {
! 11124: emb_handle = msdos_xms_alloc_emb_handle(old_size_kb); // should be always successed
! 11125: }
! 11126: emb_handle->handle = old_handle;
! 11127: memcpy(mem + emb_handle->address, buffer, old_size_kb * 1024);
! 11128: free(buffer);
! 11129: }
! 11130: } else if(emb_handle->size_kb > size_kb) {
! 11131: msdos_xms_split_emb_handle(emb_handle, size_kb);
! 11132: }
! 11133: if(emb_handle->size_kb != size_kb) {
! 11134: REG16(AX) = 0x0000;
! 11135: REG8(BL) = 0xa0;
! 11136: } else {
! 11137: REG16(AX) = 0x0001;
! 11138: REG8(BL) = 0x00;
! 11139: }
1.1.1.19 root 11140: }
11141: }
11142:
1.1.1.30! root 11143: inline void msdos_call_xms_0fh()
! 11144: {
! 11145: msdos_call_xms_0fh(REG16(BX));
! 11146: }
! 11147:
1.1.1.19 root 11148: inline void msdos_call_xms_10h()
11149: {
11150: int seg;
11151:
11152: if((seg = msdos_mem_alloc(UMB_TOP >> 4, REG16(DX), 0)) != -1) {
11153: REG16(AX) = 0x0001;
11154: REG16(BX) = seg;
11155: } else {
11156: REG16(AX) = 0x0000;
11157: REG8(BL) = 0xb0;
11158: REG16(DX) = msdos_mem_get_free(UMB_TOP >> 4, 0);
11159: }
11160: }
11161:
11162: inline void msdos_call_xms_11h()
11163: {
11164: int mcb_seg = REG16(DX) - 1;
11165: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
11166:
11167: if(mcb->mz == 'M' || mcb->mz == 'Z') {
11168: msdos_mem_free(REG16(DX));
11169: REG16(AX) = 0x0001;
11170: REG8(BL) = 0x00;
11171: } else {
11172: REG16(AX) = 0x0000;
11173: REG8(BL) = 0xb2;
11174: }
11175: }
11176:
11177: inline void msdos_call_xms_12h()
11178: {
11179: int mcb_seg = REG16(DX) - 1;
11180: mcb_t *mcb = (mcb_t *)(mem + (mcb_seg << 4));
11181: int max_paragraphs;
11182:
11183: if(mcb->mz == 'M' || mcb->mz == 'Z') {
11184: if(!msdos_mem_realloc(REG16(DX), REG16(BX), &max_paragraphs)) {
11185: REG16(AX) = 0x0001;
11186: REG8(BL) = 0x00;
11187: } else {
11188: REG16(AX) = 0x0000;
11189: REG8(BL) = 0xb0;
11190: REG16(DX) = max_paragraphs;
11191: }
11192: } else {
11193: REG16(AX) = 0x0000;
11194: REG8(BL) = 0xb2;
11195: }
11196: }
11197:
1.1.1.29 root 11198: #if defined(HAS_I386)
11199:
11200: inline void msdos_call_xms_88h()
11201: {
11202: REG32(EAX) = REG32(EDX) = 0x0000;
11203:
1.1.1.30! root 11204: for(emb_handle_t *emb_handle = emb_handle_top; emb_handle != NULL; emb_handle = emb_handle->next) {
! 11205: if(emb_handle->handle == 0) {
! 11206: if(REG32(EAX) < emb_handle->size_kb) {
! 11207: REG32(EAX) = emb_handle->size_kb;
1.1.1.29 root 11208: }
1.1.1.30! root 11209: REG32(EDX) += emb_handle->size_kb;
1.1.1.29 root 11210: }
11211: }
11212:
11213: if(REG32(EAX) == 0 && REG32(EDX) == 0) {
11214: REG8(BL) = 0xa0;
11215: } else {
11216: REG8(BL) = 0x00;
11217: }
11218: REG32(ECX) = EMB_END - 1;
11219: }
11220:
11221: inline void msdos_call_xms_89h()
11222: {
1.1.1.30! root 11223: msdos_call_xms_09h(REG32(EDX));
1.1.1.29 root 11224: }
11225:
11226: inline void msdos_call_xms_8eh()
11227: {
1.1.1.30! root 11228: emb_handle_t *emb_handle = msdos_xms_get_emb_handle(REG16(DX));
! 11229:
! 11230: if(emb_handle == NULL) {
1.1.1.29 root 11231: REG16(AX) = 0x0000;
11232: REG8(BL) = 0xa2;
11233: } else {
11234: REG16(AX) = 0x0001;
1.1.1.30! root 11235: REG8(BH) = emb_handle->lock;
! 11236: REG16(CX) = msdos_xms_get_unused_emb_handle_count();
! 11237: REG32(EDX) = emb_handle->size_kb;
1.1.1.29 root 11238: }
11239: }
11240:
11241: inline void msdos_call_xms_8fh()
11242: {
1.1.1.30! root 11243: msdos_call_xms_0fh(REG32(EBX));
1.1.1.29 root 11244: }
11245:
11246: #endif
1.1.1.19 root 11247: #endif
11248:
1.1.1.26 root 11249: UINT16 msdos_get_equipment()
11250: {
11251: static UINT16 equip = 0;
11252:
11253: if(equip == 0) {
11254: #ifdef SUPPORT_FPU
11255: equip |= (1 << 1); // 80x87 coprocessor installed
11256: #endif
11257: equip |= (1 << 2); // pointing device installed (PS/2)
11258: equip |= (2 << 4); // initial video mode (80x25 color)
11259: // equip |= (1 << 8); // 0 if DMA installed
11260: equip |= (2 << 9); // number of serial ports
11261: 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 11262:
11263: // check only A: and B: if it is floppy drive
11264: DWORD dwDrives = GetLogicalDrives();
11265: int n = 0;
11266: for(int i = 0; i < 2; i++) {
11267: if(dwDrives & (1 << i)) {
11268: char volume[] = "A:\\";
11269: volume[0] = 'A' + i;
11270: if(GetDriveType(volume) == DRIVE_REMOVABLE) {
11271: n++;
11272: }
11273: }
11274: }
11275: if(n != 0) {
11276: equip |= (1 << 0); // floppy disk(s) installed
11277: n--;
11278: equip |= (n << 6); // number of floppies installed less 1
11279: }
11280: // if(joyGetNumDevs() != 0) {
11281: // equip |= (1 << 12); // game port installed
11282: // }
1.1.1.26 root 11283: }
11284: return(equip);
11285: }
11286:
1.1 root 11287: void msdos_syscall(unsigned num)
11288: {
1.1.1.22 root 11289: #ifdef ENABLE_DEBUG_SYSCALL
11290: if(num == 0x68) {
11291: // dummy interrupt for EMS (int 67h)
11292: fprintf(fdebug, "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));
11293: } else if(num == 0x69) {
11294: // dummy interrupt for XMS (call far)
11295: fprintf(fdebug, "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));
11296: } else if(num == 0x6a) {
11297: // dummy interrupt for case map routine pointed in the country info
11298: } else {
11299: fprintf(fdebug, "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));
11300: }
11301: #endif
1.1.1.26 root 11302: ctrl_c_pressed = ctrl_c_detected = false;
1.1.1.22 root 11303:
1.1 root 11304: switch(num) {
11305: case 0x00:
1.1.1.28 root 11306: try {
11307: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
11308: error("division by zero\n");
11309: } catch(...) {
11310: fatalerror("division by zero detected, and failed to terminate current process\n");
11311: }
1.1 root 11312: break;
11313: case 0x04:
1.1.1.28 root 11314: try {
11315: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
11316: error("overflow\n");
11317: } catch(...) {
11318: fatalerror("overflow detected, and failed to terminate current process\n");
11319: }
1.1 root 11320: break;
11321: case 0x06:
11322: // NOTE: ish.com has illegal instruction...
1.1.1.14 root 11323: if(!ignore_illegal_insn) {
1.1.1.28 root 11324: try {
11325: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
11326: error("illegal instruction\n");
11327: } catch(...) {
11328: fatalerror("illegal instruction detected, and failed to terminate current process\n");
11329: }
1.1.1.14 root 11330: } else {
11331: #if defined(HAS_I386)
11332: m_eip++;
11333: #else
11334: m_pc++;
11335: #endif
11336: }
1.1 root 11337: break;
1.1.1.8 root 11338: case 0x08:
1.1.1.14 root 11339: // pcbios_irq0(); // this causes too slow emulation...
1.1.1.8 root 11340: case 0x09:
11341: case 0x0a:
11342: case 0x0b:
11343: case 0x0c:
11344: case 0x0d:
11345: case 0x0e:
11346: case 0x0f:
11347: // EOI
11348: pic[0].isr &= ~(1 << (num - 0x08));
11349: pic_update();
11350: break;
1.1 root 11351: case 0x10:
11352: // PC BIOS - Video
1.1.1.14 root 11353: if(!restore_console_on_exit) {
1.1.1.15 root 11354: change_console_size(scr_width, scr_height);
1.1 root 11355: }
1.1.1.3 root 11356: m_CF = 0;
1.1 root 11357: switch(REG8(AH)) {
1.1.1.16 root 11358: case 0x00: pcbios_int_10h_00h(); break;
1.1 root 11359: case 0x01: pcbios_int_10h_01h(); break;
11360: case 0x02: pcbios_int_10h_02h(); break;
11361: case 0x03: pcbios_int_10h_03h(); break;
11362: case 0x05: pcbios_int_10h_05h(); break;
11363: case 0x06: pcbios_int_10h_06h(); break;
11364: case 0x07: pcbios_int_10h_07h(); break;
11365: case 0x08: pcbios_int_10h_08h(); break;
11366: case 0x09: pcbios_int_10h_09h(); break;
11367: case 0x0a: pcbios_int_10h_0ah(); break;
11368: case 0x0b: break;
11369: case 0x0c: break;
11370: case 0x0d: break;
11371: case 0x0e: pcbios_int_10h_0eh(); break;
11372: case 0x0f: pcbios_int_10h_0fh(); break;
11373: case 0x10: break;
1.1.1.14 root 11374: case 0x11: pcbios_int_10h_11h(); break;
11375: case 0x12: pcbios_int_10h_12h(); break;
1.1 root 11376: case 0x13: pcbios_int_10h_13h(); break;
1.1.1.30! root 11377: case 0x18: pcbios_int_10h_18h(); break;
1.1.1.14 root 11378: case 0x1a: pcbios_int_10h_1ah(); break;
1.1.1.24 root 11379: case 0x1b: REG8(AL) = 0x00; break; // functionality/state information is not supported
11380: case 0x1c: REG8(AL) = 0x00; break; // save/restore video state is not supported
1.1 root 11381: case 0x1d: pcbios_int_10h_1dh(); break;
1.1.1.24 root 11382: case 0x1e: REG8(AL) = 0x00; break; // flat-panel functions are not supported
11383: case 0x1f: REG8(AL) = 0x00; break; // xga functions are not supported
1.1.1.22 root 11384: case 0x4f: pcbios_int_10h_4fh(); break;
1.1.1.30! root 11385: case 0x6f: break;
1.1.1.22 root 11386: case 0x80: m_CF = 1; break; // unknown
11387: case 0x81: m_CF = 1; break; // unknown
1.1 root 11388: case 0x82: pcbios_int_10h_82h(); break;
1.1.1.22 root 11389: case 0x83: pcbios_int_10h_83h(); break;
11390: case 0x8b: break;
11391: case 0x8c: m_CF = 1; break; // unknown
11392: case 0x8d: m_CF = 1; break; // unknown
11393: case 0x8e: m_CF = 1; break; // unknown
11394: case 0x90: pcbios_int_10h_90h(); break;
11395: case 0x91: pcbios_int_10h_91h(); break;
11396: case 0x92: break;
11397: case 0x93: break;
11398: case 0xef: pcbios_int_10h_efh(); break;
1.1.1.24 root 11399: case 0xfa: break; // ega register interface library is not installed
1.1 root 11400: case 0xfe: pcbios_int_10h_feh(); break;
11401: case 0xff: pcbios_int_10h_ffh(); break;
11402: default:
1.1.1.22 root 11403: 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));
11404: m_CF = 1;
1.1 root 11405: break;
11406: }
11407: break;
11408: case 0x11:
11409: // PC BIOS - Get Equipment List
1.1.1.26 root 11410: REG16(AX) = msdos_get_equipment();
1.1 root 11411: break;
11412: case 0x12:
11413: // PC BIOS - Get Memory Size
11414: REG16(AX) = MEMORY_END / 1024;
11415: break;
11416: case 0x13:
11417: // PC BIOS - Disk
1.1.1.22 root 11418: // 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 11419: REG8(AH) = 0xff;
1.1.1.3 root 11420: m_CF = 1;
1.1 root 11421: break;
11422: case 0x14:
11423: // PC BIOS - Serial I/O
1.1.1.25 root 11424: switch(REG8(AH)) {
11425: case 0x00: pcbios_int_14h_00h(); break;
11426: case 0x01: pcbios_int_14h_01h(); break;
11427: case 0x02: pcbios_int_14h_02h(); break;
11428: case 0x03: pcbios_int_14h_03h(); break;
11429: case 0x04: pcbios_int_14h_04h(); break;
11430: case 0x05: pcbios_int_14h_05h(); break;
11431: default:
11432: 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));
11433: break;
11434: }
1.1 root 11435: break;
11436: case 0x15:
11437: // PC BIOS
1.1.1.3 root 11438: m_CF = 0;
1.1 root 11439: switch(REG8(AH)) {
1.1.1.14 root 11440: case 0x10: pcbios_int_15h_10h(); break;
1.1 root 11441: case 0x23: pcbios_int_15h_23h(); break;
11442: case 0x24: pcbios_int_15h_24h(); break;
1.1.1.24 root 11443: case 0x41: break;
1.1 root 11444: case 0x49: pcbios_int_15h_49h(); break;
1.1.1.22 root 11445: case 0x50: pcbios_int_15h_50h(); break;
1.1.1.30! root 11446: case 0x53: pcbios_int_15h_53h(); break;
1.1 root 11447: case 0x86: pcbios_int_15h_86h(); break;
11448: case 0x87: pcbios_int_15h_87h(); break;
11449: case 0x88: pcbios_int_15h_88h(); break;
11450: case 0x89: pcbios_int_15h_89h(); break;
1.1.1.21 root 11451: case 0x8a: pcbios_int_15h_8ah(); break;
1.1.1.22 root 11452: case 0xc0: // PS/2 ???
11453: case 0xc1:
11454: case 0xc2:
1.1.1.30! root 11455: case 0xc3: // PS50+ ???
! 11456: case 0xc4:
1.1.1.22 root 11457: REG8(AH) = 0x86;
11458: m_CF = 1;
11459: break;
1.1.1.3 root 11460: #if defined(HAS_I386)
1.1 root 11461: case 0xc9: pcbios_int_15h_c9h(); break;
1.1.1.3 root 11462: #endif
1.1 root 11463: case 0xca: pcbios_int_15h_cah(); break;
1.1.1.22 root 11464: case 0xe8: pcbios_int_15h_e8h(); break;
1.1 root 11465: default:
1.1.1.22 root 11466: 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));
11467: REG8(AH) = 0x86;
1.1.1.3 root 11468: m_CF = 1;
1.1 root 11469: break;
11470: }
11471: break;
11472: case 0x16:
11473: // PC BIOS - Keyboard
1.1.1.3 root 11474: m_CF = 0;
1.1 root 11475: switch(REG8(AH)) {
11476: case 0x00: pcbios_int_16h_00h(); break;
11477: case 0x01: pcbios_int_16h_01h(); break;
11478: case 0x02: pcbios_int_16h_02h(); break;
11479: case 0x03: pcbios_int_16h_03h(); break;
11480: case 0x05: pcbios_int_16h_05h(); break;
11481: case 0x10: pcbios_int_16h_00h(); break;
11482: case 0x11: pcbios_int_16h_01h(); break;
11483: case 0x12: pcbios_int_16h_12h(); break;
11484: case 0x13: pcbios_int_16h_13h(); break;
11485: case 0x14: pcbios_int_16h_14h(); break;
1.1.1.24 root 11486: case 0x55: pcbios_int_16h_55h(); break;
1.1.1.30! root 11487: case 0x6f: pcbios_int_16h_6fh(); break;
1.1.1.22 root 11488: case 0xda: break; // unknown
11489: case 0xff: break; // unknown
1.1 root 11490: default:
1.1.1.22 root 11491: 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 11492: break;
11493: }
11494: break;
11495: case 0x17:
11496: // PC BIOS - Printer
1.1.1.22 root 11497: // 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 11498: break;
11499: case 0x1a:
11500: // PC BIOS - Timer
1.1.1.3 root 11501: m_CF = 0;
1.1 root 11502: switch(REG8(AH)) {
11503: case 0x00: pcbios_int_1ah_00h(); break;
11504: case 0x01: break;
11505: case 0x02: pcbios_int_1ah_02h(); break;
11506: case 0x03: break;
11507: case 0x04: pcbios_int_1ah_04h(); break;
11508: case 0x05: break;
11509: case 0x0a: pcbios_int_1ah_0ah(); break;
11510: case 0x0b: break;
1.1.1.14 root 11511: case 0x35: break; // Word Perfect Third Party Interface?
11512: case 0x36: break; // Word Perfect Third Party Interface
11513: case 0x70: break; // SNAP? (Simple Network Application Protocol)
1.1 root 11514: default:
1.1.1.22 root 11515: 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 11516: break;
11517: }
11518: break;
11519: case 0x20:
1.1.1.28 root 11520: try {
11521: msdos_process_terminate(SREG(CS), retval, 1);
11522: } catch(...) {
11523: fatalerror("failed to terminate the process (PSP=%04X) by int 20h\n", SREG(CS));
11524: }
1.1 root 11525: break;
11526: case 0x21:
11527: // MS-DOS System Call
1.1.1.3 root 11528: m_CF = 0;
1.1.1.28 root 11529: try {
11530: switch(REG8(AH)) {
11531: case 0x00: msdos_int_21h_00h(); break;
11532: case 0x01: msdos_int_21h_01h(); break;
11533: case 0x02: msdos_int_21h_02h(); break;
11534: case 0x03: msdos_int_21h_03h(); break;
11535: case 0x04: msdos_int_21h_04h(); break;
11536: case 0x05: msdos_int_21h_05h(); break;
11537: case 0x06: msdos_int_21h_06h(); break;
11538: case 0x07: msdos_int_21h_07h(); break;
11539: case 0x08: msdos_int_21h_08h(); break;
11540: case 0x09: msdos_int_21h_09h(); break;
11541: case 0x0a: msdos_int_21h_0ah(); break;
11542: case 0x0b: msdos_int_21h_0bh(); break;
11543: case 0x0c: msdos_int_21h_0ch(); break;
11544: case 0x0d: msdos_int_21h_0dh(); break;
11545: case 0x0e: msdos_int_21h_0eh(); break;
11546: case 0x0f: msdos_int_21h_0fh(); break;
11547: case 0x10: msdos_int_21h_10h(); break;
11548: case 0x11: msdos_int_21h_11h(); break;
11549: case 0x12: msdos_int_21h_12h(); break;
11550: case 0x13: msdos_int_21h_13h(); break;
11551: case 0x14: msdos_int_21h_14h(); break;
11552: case 0x15: msdos_int_21h_15h(); break;
11553: case 0x16: msdos_int_21h_16h(); break;
11554: case 0x17: msdos_int_21h_17h(); break;
11555: case 0x18: msdos_int_21h_18h(); break;
11556: case 0x19: msdos_int_21h_19h(); break;
11557: case 0x1a: msdos_int_21h_1ah(); break;
11558: case 0x1b: msdos_int_21h_1bh(); break;
11559: case 0x1c: msdos_int_21h_1ch(); break;
11560: case 0x1d: msdos_int_21h_1dh(); break;
11561: case 0x1e: msdos_int_21h_1eh(); break;
11562: case 0x1f: msdos_int_21h_1fh(); break;
11563: case 0x20: msdos_int_21h_20h(); break;
11564: case 0x21: msdos_int_21h_21h(); break;
11565: case 0x22: msdos_int_21h_22h(); break;
11566: case 0x23: msdos_int_21h_23h(); break;
11567: case 0x24: msdos_int_21h_24h(); break;
11568: case 0x25: msdos_int_21h_25h(); break;
11569: case 0x26: msdos_int_21h_26h(); break;
11570: case 0x27: msdos_int_21h_27h(); break;
11571: case 0x28: msdos_int_21h_28h(); break;
11572: case 0x29: msdos_int_21h_29h(); break;
11573: case 0x2a: msdos_int_21h_2ah(); break;
11574: case 0x2b: msdos_int_21h_2bh(); break;
11575: case 0x2c: msdos_int_21h_2ch(); break;
11576: case 0x2d: msdos_int_21h_2dh(); break;
11577: case 0x2e: msdos_int_21h_2eh(); break;
11578: case 0x2f: msdos_int_21h_2fh(); break;
11579: case 0x30: msdos_int_21h_30h(); break;
11580: case 0x31: msdos_int_21h_31h(); break;
11581: case 0x32: msdos_int_21h_32h(); break;
11582: case 0x33: msdos_int_21h_33h(); break;
11583: case 0x34: msdos_int_21h_34h(); break;
11584: case 0x35: msdos_int_21h_35h(); break;
11585: case 0x36: msdos_int_21h_36h(); break;
11586: case 0x37: msdos_int_21h_37h(); break;
11587: case 0x38: msdos_int_21h_38h(); break;
11588: case 0x39: msdos_int_21h_39h(0); break;
11589: case 0x3a: msdos_int_21h_3ah(0); break;
11590: case 0x3b: msdos_int_21h_3bh(0); break;
11591: case 0x3c: msdos_int_21h_3ch(); break;
11592: case 0x3d: msdos_int_21h_3dh(); break;
11593: case 0x3e: msdos_int_21h_3eh(); break;
11594: case 0x3f: msdos_int_21h_3fh(); break;
11595: case 0x40: msdos_int_21h_40h(); break;
11596: case 0x41: msdos_int_21h_41h(0); break;
11597: case 0x42: msdos_int_21h_42h(); break;
11598: case 0x43: msdos_int_21h_43h(0); break;
11599: case 0x44: msdos_int_21h_44h(); break;
11600: case 0x45: msdos_int_21h_45h(); break;
11601: case 0x46: msdos_int_21h_46h(); break;
11602: case 0x47: msdos_int_21h_47h(0); break;
11603: case 0x48: msdos_int_21h_48h(); break;
11604: case 0x49: msdos_int_21h_49h(); break;
11605: case 0x4a: msdos_int_21h_4ah(); break;
11606: case 0x4b: msdos_int_21h_4bh(); break;
11607: case 0x4c: msdos_int_21h_4ch(); break;
11608: case 0x4d: msdos_int_21h_4dh(); break;
11609: case 0x4e: msdos_int_21h_4eh(); break;
11610: case 0x4f: msdos_int_21h_4fh(); break;
11611: case 0x50: msdos_int_21h_50h(); break;
11612: case 0x51: msdos_int_21h_51h(); break;
11613: case 0x52: msdos_int_21h_52h(); break;
11614: // 0x53: translate bios parameter block to drive param bock
11615: case 0x54: msdos_int_21h_54h(); break;
11616: case 0x55: msdos_int_21h_55h(); break;
11617: case 0x56: msdos_int_21h_56h(0); break;
11618: case 0x57: msdos_int_21h_57h(); break;
11619: case 0x58: msdos_int_21h_58h(); break;
11620: case 0x59: msdos_int_21h_59h(); break;
11621: case 0x5a: msdos_int_21h_5ah(); break;
11622: case 0x5b: msdos_int_21h_5bh(); break;
11623: case 0x5c: msdos_int_21h_5ch(); break;
11624: case 0x5d: msdos_int_21h_5dh(); break;
11625: // 0x5e: ms-network
1.1.1.30! root 11626: case 0x5f: msdos_int_21h_5fh(); break;
1.1.1.28 root 11627: case 0x60: msdos_int_21h_60h(0); break;
11628: case 0x61: msdos_int_21h_61h(); break;
11629: case 0x62: msdos_int_21h_62h(); break;
11630: case 0x63: msdos_int_21h_63h(); break;
11631: // 0x64: set device driver lockahead flag
11632: case 0x65: msdos_int_21h_65h(); break;
11633: case 0x66: msdos_int_21h_66h(); break;
11634: case 0x67: msdos_int_21h_67h(); break;
11635: case 0x68: msdos_int_21h_68h(); break;
11636: case 0x69: msdos_int_21h_69h(); break;
11637: case 0x6a: msdos_int_21h_6ah(); break;
11638: case 0x6b: msdos_int_21h_6bh(); break;
11639: case 0x6c: msdos_int_21h_6ch(0); break;
11640: // 0x6d: find first rom program
11641: // 0x6e: find next rom program
11642: // 0x6f: get/set rom scan start address
11643: // 0x70: windows95 get/set internationalization information
11644: case 0x71:
11645: // windows95 long filename functions
11646: switch(REG8(AL)) {
11647: case 0x0d: msdos_int_21h_710dh(); break;
11648: case 0x39: msdos_int_21h_39h(1); break;
11649: case 0x3a: msdos_int_21h_3ah(1); break;
11650: case 0x3b: msdos_int_21h_3bh(1); break;
11651: case 0x41: msdos_int_21h_7141h(1); break;
11652: case 0x43: msdos_int_21h_43h(1); break;
11653: case 0x47: msdos_int_21h_47h(1); break;
11654: case 0x4e: msdos_int_21h_714eh(); break;
11655: case 0x4f: msdos_int_21h_714fh(); break;
11656: case 0x56: msdos_int_21h_56h(1); break;
11657: case 0x60: msdos_int_21h_60h(1); break;
11658: case 0x6c: msdos_int_21h_6ch(1); break;
11659: case 0xa0: msdos_int_21h_71a0h(); break;
11660: case 0xa1: msdos_int_21h_71a1h(); break;
11661: case 0xa6: msdos_int_21h_71a6h(); break;
11662: case 0xa7: msdos_int_21h_71a7h(); break;
11663: case 0xa8: msdos_int_21h_71a8h(); break;
11664: // 0xa9: server create/open file
11665: case 0xaa: msdos_int_21h_71aah(); break;
11666: default:
11667: 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));
11668: REG16(AX) = 0x7100;
11669: m_CF = 1;
11670: break;
11671: }
11672: break;
11673: // 0x72: Windows95 beta - LFN FindClose
11674: case 0x73:
11675: // windows95 fat32 functions
11676: switch(REG8(AL)) {
11677: case 0x00: msdos_int_21h_7300h(); break;
11678: // 0x01: set drive locking ???
11679: case 0x02: msdos_int_21h_7302h(); break;
11680: case 0x03: msdos_int_21h_7303h(); break;
11681: // 0x04: set dpb to use for formatting
11682: // 0x05: extended absolute disk read/write
11683: default:
11684: 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));
11685: REG16(AX) = 0x7300;
11686: m_CF = 1;
11687: break;
11688: }
1.1 root 11689: break;
1.1.1.30! root 11690: case 0xdb: msdos_int_21h_dbh(); break;
! 11691: case 0xdc: msdos_int_21h_dch(); break;
1.1 root 11692: default:
1.1.1.22 root 11693: 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 11694: REG16(AX) = 0x01;
1.1.1.3 root 11695: m_CF = 1;
1.1 root 11696: break;
11697: }
1.1.1.28 root 11698: } catch(int error) {
11699: REG16(AX) = error;
11700: m_CF = 1;
11701: } catch(...) {
11702: REG16(AX) = 0x1f; // general failure
1.1.1.3 root 11703: m_CF = 1;
1.1 root 11704: }
1.1.1.3 root 11705: if(m_CF) {
1.1.1.23 root 11706: sda_t *sda = (sda_t *)(mem + SDA_TOP);
11707: sda->extended_error_code = REG16(AX);
11708: switch(sda->extended_error_code) {
11709: case 4: // Too many open files
11710: case 8: // Insufficient memory
11711: sda->error_class = 1; // Out of resource
11712: break;
11713: case 5: // Access denied
11714: sda->error_class = 3; // Authorization
11715: break;
11716: case 7: // Memory control block destroyed
11717: sda->error_class = 4; // Internal
11718: break;
11719: case 2: // File not found
11720: case 3: // Path not found
11721: case 15: // Invaid drive specified
11722: case 18: // No more files
11723: sda->error_class = 8; // Not found
11724: break;
11725: case 32: // Sharing violation
11726: case 33: // Lock violation
11727: sda->error_class = 10; // Locked
11728: break;
11729: // case 16: // Removal of current directory attempted
11730: case 19: // Attempted write on protected disk
11731: case 21: // Drive not ready
11732: // case 29: // Write failure
11733: // case 30: // Read failure
11734: // case 82: // Cannot create subdirectory
11735: sda->error_class = 11; // Media
11736: break;
11737: case 80: // File already exists
11738: sda->error_class = 12; // Already exist
11739: break;
11740: default:
11741: sda->error_class = 13; // Unknown
11742: break;
11743: }
11744: sda->suggested_action = 1; // Retry
11745: sda->locus_of_last_error = 1; // Unknown
1.1 root 11746: }
1.1.1.26 root 11747: if(ctrl_c_checking && ctrl_c_detected) {
11748: // raise int 23h
11749: #if defined(HAS_I386)
11750: m_ext = 0; // not an external interrupt
11751: i386_trap(0x23, 1, 0);
11752: m_ext = 1;
11753: #else
11754: PREFIX86(_interrupt)(0x23);
11755: #endif
11756: }
1.1 root 11757: break;
11758: case 0x22:
11759: fatalerror("int 22h (terminate address)\n");
11760: case 0x23:
1.1.1.28 root 11761: try {
11762: msdos_process_terminate(current_psp, (retval & 0xff) | 0x100, 1);
11763: } catch(...) {
11764: fatalerror("failed to terminate the current process by int 23h\n");
11765: }
1.1 root 11766: break;
11767: case 0x24:
1.1.1.28 root 11768: try {
11769: msdos_process_terminate(current_psp, (retval & 0xff) | 0x200, 1);
11770: } catch(...) {
11771: fatalerror("failed to terminate the current process by int 24h\n");
11772: }
1.1 root 11773: break;
11774: case 0x25:
11775: msdos_int_25h();
11776: break;
11777: case 0x26:
11778: msdos_int_26h();
11779: break;
11780: case 0x27:
1.1.1.28 root 11781: try {
11782: msdos_int_27h();
11783: } catch(...) {
11784: fatalerror("failed to terminate the process (PSP=%04X) by int 27h\n", SREG(CS));
11785: }
1.1 root 11786: break;
11787: case 0x28:
11788: Sleep(10);
11789: break;
11790: case 0x29:
11791: msdos_int_29h();
11792: break;
11793: case 0x2e:
11794: msdos_int_2eh();
11795: break;
11796: case 0x2f:
11797: // multiplex interrupt
11798: switch(REG8(AH)) {
1.1.1.22 root 11799: case 0x05: msdos_int_2fh_05h(); break;
11800: case 0x11: msdos_int_2fh_11h(); break;
1.1.1.21 root 11801: case 0x12: msdos_int_2fh_12h(); break;
1.1.1.30! root 11802: case 0x13: msdos_int_2fh_13h(); break;
1.1.1.22 root 11803: case 0x14: msdos_int_2fh_14h(); break;
11804: case 0x15: msdos_int_2fh_15h(); break;
1.1 root 11805: case 0x16: msdos_int_2fh_16h(); break;
1.1.1.22 root 11806: case 0x19: msdos_int_2fh_19h(); break;
1.1 root 11807: case 0x1a: msdos_int_2fh_1ah(); break;
1.1.1.30! root 11808: case 0x40: msdos_int_2fh_40h(); break;
1.1 root 11809: case 0x43: msdos_int_2fh_43h(); break;
1.1.1.22 root 11810: case 0x46: msdos_int_2fh_46h(); break;
11811: case 0x48: msdos_int_2fh_48h(); break;
1.1 root 11812: case 0x4a: msdos_int_2fh_4ah(); break;
1.1.1.22 root 11813: case 0x4b: msdos_int_2fh_4bh(); break;
1.1 root 11814: case 0x4f: msdos_int_2fh_4fh(); break;
1.1.1.22 root 11815: case 0x55: msdos_int_2fh_55h(); break;
1.1.1.30! root 11816: case 0x80: msdos_int_2fh_80h(); break;
1.1.1.24 root 11817: case 0xad: msdos_int_2fh_adh(); break;
1.1 root 11818: case 0xae: msdos_int_2fh_aeh(); break;
11819: case 0xb7: msdos_int_2fh_b7h(); break;
1.1.1.30! root 11820: case 0xd7: msdos_int_2fh_d7h(); break;
! 11821: // Installation Check
! 11822: case 0x01: // PRINT.COM
! 11823: case 0x02: // PC LAN Program Redirector
! 11824: case 0x06: // ASSIGN
! 11825: case 0x08: // DRIVER.SYS
! 11826: case 0x10: // SHARE
! 11827: case 0x17: // Clibboard functions
! 11828: case 0x1b: // XMA2EMS.SYS
! 11829: case 0x23: // DR DOS 5.0 GRAFTABL
! 11830: case 0x27: // DR-DOR 6.0 TaskMAX
! 11831: case 0x2e: // Novell DOS 7 GRAFTABL
! 11832: case 0x45: // PROF.COM
! 11833: case 0x51: // ODIHELP.EXE
! 11834: case 0x54: // POWER.EXE
! 11835: case 0x56: // INTERLNK
! 11836: case 0x70: // License Service API
! 11837: case 0x7a: // Novell NetWare
! 11838: case 0x94: // MICRO.EXE
! 11839: case 0xac: // GRAPHICS.COM
! 11840: case 0xb0: // GRAFTABLE.COM
! 11841: case 0xb8: // NETWORK
! 11842: case 0xb9: // RECEIVER.COM
! 11843: case 0xbc: // EGA.SYS
! 11844: case 0xbf: // PC LAN Program - REDIRIFS.EXE
! 11845: case 0xc0: // Novell LSL.COM
! 11846: case 0xd2: // PCL-838.EXE
! 11847: case 0xd8: // Novell NetWare Lite - CLIENT.EXE
! 11848: switch(REG8(AL)) {
! 11849: case 0x00:
! 11850: // This is not installed
! 11851: // REG8(AL) = 0x00;
! 11852: break;
! 11853: default:
! 11854: 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));
! 11855: REG16(AX) = 0x01;
! 11856: m_CF = 1;
! 11857: break;
! 11858: }
! 11859: break;
1.1.1.22 root 11860: default:
11861: 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));
11862: break;
1.1 root 11863: }
11864: break;
1.1.1.24 root 11865: case 0x33:
11866: switch(REG8(AH)) {
11867: case 0x00:
11868: // Mouse
11869: switch(REG8(AL)) {
11870: case 0x00: msdos_int_33h_0000h(); break;
11871: case 0x01: msdos_int_33h_0001h(); break;
11872: case 0x02: msdos_int_33h_0002h(); break;
11873: case 0x03: msdos_int_33h_0003h(); break;
11874: case 0x04: break; // position mouse cursor
11875: case 0x05: msdos_int_33h_0005h(); break;
11876: case 0x06: msdos_int_33h_0006h(); break;
11877: case 0x07: msdos_int_33h_0007h(); break;
11878: case 0x08: msdos_int_33h_0008h(); break;
11879: case 0x09: msdos_int_33h_0009h(); break;
11880: case 0x0a: break; // define text cursor
11881: case 0x0b: msdos_int_33h_000bh(); break;
11882: case 0x0c: msdos_int_33h_000ch(); break;
11883: case 0x0d: break; // light pen emulation on
11884: case 0x0e: break; // light pen emulation off
11885: case 0x0f: msdos_int_33h_000fh(); break;
11886: case 0x10: break; // define screen region for updating
11887: case 0x11: msdos_int_33h_0011h(); break;
11888: case 0x12: REG16(AX) = 0xffff; break; // set large graphics cursor block
11889: case 0x13: break; // define double-speed threshold
11890: case 0x14: msdos_int_33h_0014h(); break;
11891: case 0x15: msdos_int_33h_0015h(); break;
11892: case 0x16: msdos_int_33h_0016h(); break;
11893: case 0x17: msdos_int_33h_0017h(); break;
11894: case 0x1a: msdos_int_33h_001ah(); break;
11895: case 0x1b: msdos_int_33h_001bh(); break;
11896: case 0x1d: msdos_int_33h_001dh(); break;
11897: case 0x1e: msdos_int_33h_001eh(); break;
11898: case 0x21: msdos_int_33h_0021h(); break;
11899: case 0x22: msdos_int_33h_0022h(); break;
11900: case 0x23: msdos_int_33h_0023h(); break;
11901: case 0x24: msdos_int_33h_0024h(); break;
11902: case 0x26: msdos_int_33h_0026h(); break;
11903: case 0x2a: msdos_int_33h_002ah(); break;
11904: case 0x2f: break; // mouse hardware reset
11905: case 0x31: msdos_int_33h_0031h(); break;
11906: case 0x32: msdos_int_33h_0032h(); break;
11907: default:
11908: 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));
11909: break;
11910: }
11911: break;
11912: default:
11913: 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));
11914: break;
11915: }
11916: break;
1.1.1.19 root 11917: case 0x68:
11918: // dummy interrupt for EMS (int 67h)
11919: switch(REG8(AH)) {
11920: case 0x40: msdos_int_67h_40h(); break;
11921: case 0x41: msdos_int_67h_41h(); break;
11922: case 0x42: msdos_int_67h_42h(); break;
11923: case 0x43: msdos_int_67h_43h(); break;
11924: case 0x44: msdos_int_67h_44h(); break;
11925: case 0x45: msdos_int_67h_45h(); break;
11926: case 0x46: msdos_int_67h_46h(); break;
11927: case 0x47: msdos_int_67h_47h(); break;
11928: case 0x48: msdos_int_67h_48h(); break;
1.1.1.20 root 11929: // 0x49: LIM EMS - Reserved - Get I/O Port Address (Undocumented in EMS 3.2)
11930: // 0x4a: LIM EMS - Reserved - Get Translation Array (Undocumented in EMS 3.2)
1.1.1.19 root 11931: case 0x4b: msdos_int_67h_4bh(); break;
11932: case 0x4c: msdos_int_67h_4ch(); break;
11933: case 0x4d: msdos_int_67h_4dh(); break;
1.1.1.20 root 11934: case 0x4e: msdos_int_67h_4eh(); break;
1.1.1.21 root 11935: case 0x4f: msdos_int_67h_4fh(); break;
1.1.1.20 root 11936: case 0x50: msdos_int_67h_50h(); break;
1.1.1.19 root 11937: case 0x51: msdos_int_67h_51h(); break;
1.1.1.20 root 11938: case 0x52: msdos_int_67h_52h(); break;
1.1.1.19 root 11939: case 0x53: msdos_int_67h_53h(); break;
11940: case 0x54: msdos_int_67h_54h(); break;
1.1.1.20 root 11941: // 0x55: LIM EMS 4.0 - Alter Page Map And JUMP
11942: // 0x56: LIM EMS 4.0 - Alter Page Map And CALL
11943: case 0x57: msdos_int_67h_57h(); break;
11944: case 0x58: msdos_int_67h_58h(); break;
11945: // 0x59: LIM EMS 4.0 - Get Expanded Memory Hardware Information (for DOS Kernel)
11946: case 0x5a: msdos_int_67h_5ah(); break;
11947: // 0x5b: LIM EMS 4.0 - Alternate Map Register Set (for DOS Kernel)
11948: // 0x5c: LIM EMS 4.0 - Prepate Expanded Memory Hardware For Warm Boot
11949: // 0x5d: LIM EMS 4.0 - Enable/Disable OS Function Set Functions (for DOS Kernel)
1.1.1.30! root 11950: case 0xde: msdos_int_67h_deh(); break;
1.1.1.19 root 11951: default:
1.1.1.22 root 11952: 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 11953: REG8(AH) = 0x84;
11954: break;
11955: }
11956: break;
11957: #ifdef SUPPORT_XMS
11958: case 0x69:
11959: // dummy interrupt for XMS (call far)
1.1.1.28 root 11960: try {
11961: switch(REG8(AH)) {
11962: case 0x00: msdos_call_xms_00h(); break;
11963: case 0x01: msdos_call_xms_01h(); break;
11964: case 0x02: msdos_call_xms_02h(); break;
11965: case 0x03: msdos_call_xms_03h(); break;
11966: case 0x04: msdos_call_xms_04h(); break;
11967: case 0x05: msdos_call_xms_05h(); break;
11968: case 0x06: msdos_call_xms_06h(); break;
11969: case 0x07: msdos_call_xms_07h(); break;
11970: case 0x08: msdos_call_xms_08h(); break;
11971: case 0x09: msdos_call_xms_09h(); break;
11972: case 0x0a: msdos_call_xms_0ah(); break;
11973: case 0x0b: msdos_call_xms_0bh(); break;
11974: case 0x0c: msdos_call_xms_0ch(); break;
11975: case 0x0d: msdos_call_xms_0dh(); break;
11976: case 0x0e: msdos_call_xms_0eh(); break;
11977: case 0x0f: msdos_call_xms_0fh(); break;
11978: case 0x10: msdos_call_xms_10h(); break;
11979: case 0x11: msdos_call_xms_11h(); break;
11980: case 0x12: msdos_call_xms_12h(); break;
1.1.1.29 root 11981: #if defined(HAS_I386)
11982: case 0x88: msdos_call_xms_88h(); break;
11983: case 0x89: msdos_call_xms_89h(); break;
11984: case 0x8e: msdos_call_xms_8eh(); break;
11985: case 0x8f: msdos_call_xms_8fh(); break;
11986: #endif
1.1.1.28 root 11987: default:
11988: 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));
11989: REG16(AX) = 0x0000;
11990: REG8(BL) = 0x80; // function not implemented
11991: break;
11992: }
11993: } catch(...) {
1.1.1.19 root 11994: REG16(AX) = 0x0000;
1.1.1.28 root 11995: REG8(BL) = 0x8f; // unrecoverable driver error
1.1.1.19 root 11996: }
11997: break;
11998: #endif
11999: case 0x6a:
1.1.1.24 root 12000: // irq12 (mouse)
12001: mouse_push_ax = REG16(AX);
12002: mouse_push_bx = REG16(BX);
12003: mouse_push_cx = REG16(CX);
12004: mouse_push_dx = REG16(DX);
12005: mouse_push_si = REG16(SI);
12006: mouse_push_di = REG16(DI);
12007:
12008: if(mouse.active && mouse.call_addr.dw != 0) {
12009: REG16(AX) = mouse.status_irq;
12010: REG16(BX) = mouse.get_buttons();
12011: REG16(CX) = max(mouse.min_position.x, min(mouse.max_position.x, mouse.position.x));
12012: REG16(DX) = max(mouse.min_position.y, min(mouse.max_position.y, mouse.position.y));
12013: REG16(SI) = REG16(CX) * mouse.mickey.x / 8;
12014: REG16(DI) = REG16(DX) * mouse.mickey.y / 8;
12015:
12016: mem[0xfffd0 + 0x02] = 0x9a; // call far
12017: mem[0xfffd0 + 0x03] = mouse.call_addr.w.l & 0xff;
12018: mem[0xfffd0 + 0x04] = mouse.call_addr.w.l >> 8;
12019: mem[0xfffd0 + 0x05] = mouse.call_addr.w.h & 0xff;
12020: mem[0xfffd0 + 0x06] = mouse.call_addr.w.h >> 8;
12021: } else {
12022: mem[0xfffd0 + 0x02] = 0x90; // nop
12023: mem[0xfffd0 + 0x03] = 0x90; // nop
12024: mem[0xfffd0 + 0x04] = 0x90; // nop
12025: mem[0xfffd0 + 0x05] = 0x90; // nop
12026: mem[0xfffd0 + 0x06] = 0x90; // nop
12027: }
12028: break;
12029: case 0x6b:
12030: // end of irq12 (mouse)
12031: REG16(AX) = mouse_push_ax;
12032: REG16(BX) = mouse_push_bx;
12033: REG16(CX) = mouse_push_cx;
12034: REG16(DX) = mouse_push_dx;
12035: REG16(SI) = mouse_push_si;
12036: REG16(DI) = mouse_push_di;
12037:
12038: // EOI
12039: if((pic[1].isr &= ~(1 << 4)) == 0) {
12040: pic[0].isr &= ~(1 << 2); // master
12041: }
12042: pic_update();
12043: break;
12044: case 0x6c:
1.1.1.19 root 12045: // dummy interrupt for case map routine pointed in the country info
12046: if(REG8(AL) >= 0x80) {
12047: char tmp[2] = {0};
12048: tmp[0] = REG8(AL);
12049: my_strupr(tmp);
12050: REG8(AL) = tmp[0];
12051: }
12052: break;
1.1.1.27 root 12053: case 0x6d:
12054: // dummy interrupt for font read routine pointed by int 15h, ax=5000h
12055: REG8(AL) = 0x86; // not supported
12056: m_CF = 1;
12057: break;
1.1.1.8 root 12058: case 0x70:
12059: case 0x71:
12060: case 0x72:
12061: case 0x73:
12062: case 0x74:
12063: case 0x75:
12064: case 0x76:
12065: case 0x77:
12066: // EOI
12067: if((pic[1].isr &= ~(1 << (num - 0x70))) == 0) {
12068: pic[0].isr &= ~(1 << 2); // master
12069: }
12070: pic_update();
12071: break;
1.1 root 12072: default:
1.1.1.22 root 12073: // 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 12074: break;
12075: }
12076:
12077: // update cursor position
12078: if(cursor_moved) {
12079: CONSOLE_SCREEN_BUFFER_INFO csbi;
1.1.1.23 root 12080: GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
1.1.1.15 root 12081: if(!restore_console_on_exit) {
12082: scr_top = csbi.srWindow.Top;
12083: }
1.1 root 12084: mem[0x450 + mem[0x462] * 2] = csbi.dwCursorPosition.X;
1.1.1.14 root 12085: mem[0x451 + mem[0x462] * 2] = csbi.dwCursorPosition.Y - scr_top;
1.1 root 12086: cursor_moved = false;
12087: }
12088: }
12089:
12090: // init
12091:
12092: int msdos_init(int argc, char *argv[], char *envp[], int standard_env)
12093: {
12094: // init file handler
12095: memset(file_handler, 0, sizeof(file_handler));
12096: msdos_file_handler_open(0, "STDIN", _isatty(0), 0, 0x80d3, 0);
12097: msdos_file_handler_open(1, "STDOUT", _isatty(1), 1, 0x80d3, 0);
12098: msdos_file_handler_open(2, "STDERR", _isatty(2), 1, 0x80d3, 0);
1.1.1.21 root 12099: #ifdef MAP_AUX_DEVICE_TO_FILE
1.1 root 12100: if(_open("stdaux.txt", _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE) == 3) {
1.1.1.21 root 12101: #else
12102: if(_open("NUL", _O_RDWR | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE) == 3) {
12103: #endif
12104: msdos_file_handler_open(3, "STDAUX", 0, 2, 0x80c0, 0);
1.1 root 12105: }
1.1.1.21 root 12106: #ifdef MAP_PRN_DEVICE_TO_FILE
1.1 root 12107: if(_open("stdprn.txt", _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE) == 4) {
1.1.1.21 root 12108: #else
12109: if(_open("NUL", _O_WRONLY | _O_BINARY | _O_CREAT | _O_TRUNC, _S_IREAD | _S_IWRITE) == 4) {
1.1 root 12110: #endif
1.1.1.21 root 12111: msdos_file_handler_open(4, "STDPRN", 0, 1, 0xa8c0, 0);
12112: }
1.1 root 12113: _dup2(0, DUP_STDIN);
12114: _dup2(1, DUP_STDOUT);
12115: _dup2(2, DUP_STDERR);
1.1.1.21 root 12116: _dup2(3, DUP_STDAUX);
12117: _dup2(4, DUP_STDPRN);
1.1 root 12118:
1.1.1.24 root 12119: // init mouse
12120: memset(&mouse, 0, sizeof(mouse));
12121: mouse.max_position.x = 8 * scr_width - 1;
12122: mouse.max_position.y = 8 * scr_height - 1;
12123: mouse.mickey.x = 8;
12124: mouse.mickey.y = 16;
12125:
1.1.1.26 root 12126: #ifdef SUPPORT_XMS
12127: // init xms
12128: msdos_xms_init();
12129: #endif
12130:
1.1 root 12131: // init process
12132: memset(process, 0, sizeof(process));
12133:
1.1.1.13 root 12134: // init dtainfo
12135: msdos_dta_info_init();
12136:
1.1 root 12137: // init memory
12138: memset(mem, 0, sizeof(mem));
12139:
12140: // bios data area
1.1.1.23 root 12141: HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
1.1 root 12142: CONSOLE_SCREEN_BUFFER_INFO csbi;
12143: GetConsoleScreenBufferInfo(hStdout, &csbi);
1.1.1.14 root 12144: CONSOLE_FONT_INFO cfi;
12145: GetCurrentConsoleFont(hStdout, FALSE, &cfi);
12146:
12147: int regen = min(scr_width * scr_height * 2, 0x8000);
12148: text_vram_top_address = TEXT_VRAM_TOP;
12149: text_vram_end_address = text_vram_top_address + regen;
12150: shadow_buffer_top_address = SHADOW_BUF_TOP;
12151: shadow_buffer_end_address = shadow_buffer_top_address + regen;
12152:
12153: if(regen > 0x4000) {
12154: regen = 0x8000;
12155: vram_pages = 1;
12156: } else if(regen > 0x2000) {
12157: regen = 0x4000;
12158: vram_pages = 2;
12159: } else if(regen > 0x1000) {
12160: regen = 0x2000;
12161: vram_pages = 4;
12162: } else {
12163: regen = 0x1000;
12164: vram_pages = 8;
12165: }
1.1 root 12166:
1.1.1.25 root 12167: *(UINT16 *)(mem + 0x400) = 0x3f8; // com1 port address
12168: *(UINT16 *)(mem + 0x402) = 0x2f8; // com2 port address
1.1.1.29 root 12169: *(UINT16 *)(mem + 0x404) = 0x3e8; // com3 port address
12170: *(UINT16 *)(mem + 0x406) = 0x2e8; // com4 port address
1.1.1.25 root 12171: *(UINT16 *)(mem + 0x408) = 0x378; // lpt1 port address
1.1.1.26 root 12172: // *(UINT16 *)(mem + 0x40a) = 0x278; // lpt2 port address
1.1.1.25 root 12173: // *(UINT16 *)(mem + 0x40c) = 0x3bc; // lpt3 port address
12174: *(UINT16 *)(mem + 0x40e) = EXT_BIOS_TOP >> 4;
1.1.1.26 root 12175: *(UINT16 *)(mem + 0x410) = msdos_get_equipment();
1.1 root 12176: *(UINT16 *)(mem + 0x413) = MEMORY_END / 1024;
12177: *(UINT8 *)(mem + 0x449) = 0x03;//0x73;
1.1.1.14 root 12178: *(UINT16 *)(mem + 0x44a) = csbi.dwSize.X;
12179: *(UINT16 *)(mem + 0x44c) = regen;
1.1 root 12180: *(UINT16 *)(mem + 0x44e) = 0;
12181: *(UINT8 *)(mem + 0x450) = csbi.dwCursorPosition.X;
1.1.1.14 root 12182: *(UINT8 *)(mem + 0x451) = csbi.dwCursorPosition.Y - scr_top;
1.1 root 12183: *(UINT8 *)(mem + 0x460) = 7;
12184: *(UINT8 *)(mem + 0x461) = 7;
12185: *(UINT8 *)(mem + 0x462) = 0;
12186: *(UINT16 *)(mem + 0x463) = 0x3d4;
1.1.1.19 root 12187: *(UINT8 *)(mem + 0x465) = 0x09;
12188: *(UINT32 *)(mem + 0x46c) = get_ticks_since_midnight(timeGetTime());
1.1.1.14 root 12189: *(UINT8 *)(mem + 0x484) = csbi.srWindow.Bottom - csbi.srWindow.Top;
12190: *(UINT8 *)(mem + 0x485) = cfi.dwFontSize.Y;
12191: *(UINT8 *)(mem + 0x487) = 0x60;
12192: *(UINT8 *)(mem + 0x496) = 0x10; // enhanced keyboard installed
1.1.1.25 root 12193: *(UINT16 *)(mem + EXT_BIOS_TOP) = 1;
1.1.1.14 root 12194:
12195: // initial screen
12196: SMALL_RECT rect;
12197: SET_RECT(rect, 0, csbi.srWindow.Top, csbi.dwSize.X - 1, csbi.srWindow.Bottom);
12198: ReadConsoleOutput(hStdout, scr_buf, scr_buf_size, scr_buf_pos, &rect);
12199: for(int y = 0, ofs1 = TEXT_VRAM_TOP, ofs2 = SHADOW_BUF_TOP; y < scr_height; y++) {
12200: for(int x = 0; x < scr_width; x++) {
12201: mem[ofs1++] = mem[ofs2++] = SCR_BUF(y,x).Char.AsciiChar;
12202: mem[ofs1++] = mem[ofs2++] = SCR_BUF(y,x).Attributes;
12203: }
12204: }
1.1 root 12205:
1.1.1.19 root 12206: // init mcb
1.1 root 12207: int seg = MEMORY_TOP >> 4;
1.1.1.19 root 12208:
12209: // iret table
12210: // note: int 2eh vector should address the routine in command.com,
12211: // and some softwares invite (int 2eh vector segment) - 1 must address the mcb of command.com.
12212: // so move iret table into allocated memory block
12213: // http://www5c.biglobe.ne.jp/~ecb/assembler2/2_6.html
12214: msdos_mcb_create(seg++, 'M', -1, IRET_SIZE >> 4);
12215: IRET_TOP = seg << 4;
12216: seg += IRET_SIZE >> 4;
1.1.1.25 root 12217: memset(mem + IRET_TOP, 0xcf, IRET_SIZE); // iret
1.1.1.19 root 12218:
12219: // dummy xms/ems device
12220: msdos_mcb_create(seg++, 'M', -1, XMS_SIZE >> 4);
12221: XMS_TOP = seg << 4;
12222: seg += XMS_SIZE >> 4;
12223:
12224: // environment
1.1 root 12225: msdos_mcb_create(seg++, 'M', -1, ENV_SIZE >> 4);
12226: int env_seg = seg;
12227: int ofs = 0;
1.1.1.28 root 12228: char env_msdos_path[ENV_SIZE] = "", env_path[ENV_SIZE] = "", env_temp[ENV_SIZE] = "", *path;
1.1 root 12229:
1.1.1.28 root 12230: if((path = getenv("MSDOS_PATH")) != NULL) {
12231: strcpy(env_msdos_path, msdos_get_multiple_short_path(path));
12232: if(env_msdos_path[0] != '\0') {
12233: strcat(env_path, env_msdos_path);
1.1.1.14 root 12234: }
12235: }
1.1.1.28 root 12236: if((path = getenv("PATH")) != NULL) {
12237: if(env_path[0] != '\0') {
12238: strcat(env_path, ";");
1.1.1.9 root 12239: }
1.1.1.28 root 12240: strcat(env_path, msdos_get_multiple_short_path(path));
1.1.1.9 root 12241: }
1.1.1.28 root 12242: if((path = getenv("MSDOS_TEMP")) != NULL || (path = getenv("TEMP")) != NULL || (path = getenv("TMP")) != NULL) {
12243: strcpy(env_temp, msdos_get_multiple_short_path(path));
1.1.1.15 root 12244: }
1.1.1.28 root 12245: if((path = getenv("MSDOS_COMSPEC")) != NULL || (path = msdos_search_command_com(argv[0], env_path)) != NULL) {
12246: strcpy(comspec_path, msdos_get_multiple_short_path(path));
1.1.1.24 root 12247: }
1.1.1.9 root 12248: for(char **p = envp; p != NULL && *p != NULL; p++) {
1.1 root 12249: // lower to upper
1.1.1.28 root 12250: char tmp[ENV_SIZE], name[ENV_SIZE];
1.1 root 12251: strcpy(tmp, *p);
12252: for(int i = 0;; i++) {
12253: if(tmp[i] == '=') {
12254: tmp[i] = '\0';
12255: sprintf(name, ";%s;", tmp);
1.1.1.25 root 12256: my_strupr(name);
1.1 root 12257: tmp[i] = '=';
12258: break;
12259: } else if(tmp[i] >= 'a' && tmp[i] <= 'z') {
1.1.1.28 root 12260: tmp[i] = (tmp[i] - 'a') + 'A';
1.1 root 12261: }
12262: }
1.1.1.18 root 12263: if(strncmp(tmp, "MSDOS_COMSPEC=", 14) == 0) {
12264: // ignore MSDOS_COMSPEC
1.1.1.24 root 12265: } else if(strncmp(tmp, "MSDOS_TEMP=", 11) == 0) {
12266: // ignore MSDOS_TEMP
1.1.1.28 root 12267: } else if(standard_env && strstr(";COMSPEC;INCLUDE;LIB;MSDOS_PATH;PATH;PROMPT;TEMP;TMP;TZ;", name) == NULL) {
1.1.1.18 root 12268: // ignore non standard environments
12269: } else {
1.1 root 12270: if(strncmp(tmp, "COMSPEC=", 8) == 0) {
1.1.1.14 root 12271: strcpy(tmp, "COMSPEC=C:\\COMMAND.COM");
1.1.1.28 root 12272: } else if(strncmp(tmp, "MSDOS_PATH=", 11) == 0) {
12273: if(env_msdos_path[0] != '\0') {
12274: sprintf(tmp, "MSDOS_PATH=%s", env_msdos_path);
12275: } else {
12276: sprintf(tmp, "MSDOS_PATH=%s", msdos_get_multiple_short_path(tmp + 11));
12277: }
12278: } else if(strncmp(tmp, "PATH=", 5) == 0) {
12279: if(env_path[0] != '\0') {
12280: sprintf(tmp, "PATH=%s", env_path);
12281: } else {
12282: sprintf(tmp, "PATH=%s", msdos_get_multiple_short_path(tmp + 5));
12283: }
12284: } else if(strncmp(tmp, "TEMP=", 5) == 0) {
12285: if(env_temp[0] != '\0') {
12286: sprintf(tmp, "TEMP=%s", env_temp);
12287: } else {
12288: sprintf(tmp, "TEMP=%s", msdos_get_multiple_short_path(tmp + 5));
12289: }
12290: } else if(strncmp(tmp, "TMP=", 4) == 0) {
12291: if(env_temp[0] != '\0') {
12292: sprintf(tmp, "TMP=%s", env_temp);
12293: } else {
12294: sprintf(tmp, "TMP=%s", msdos_get_multiple_short_path(tmp + 4));
1.1 root 12295: }
12296: }
12297: int len = strlen(tmp);
1.1.1.14 root 12298: if(ofs + len + 1 + (2 + (8 + 1 + 3)) + 2 > ENV_SIZE) {
1.1 root 12299: fatalerror("too many environments\n");
12300: }
12301: memcpy(mem + (seg << 4) + ofs, tmp, len);
12302: ofs += len + 1;
12303: }
12304: }
12305: seg += (ENV_SIZE >> 4);
12306:
12307: // psp
12308: msdos_mcb_create(seg++, 'M', -1, PSP_SIZE >> 4);
12309: current_psp = seg;
1.1.1.14 root 12310: msdos_psp_create(seg, seg + (PSP_SIZE >> 4), -1, env_seg);
1.1 root 12311: seg += (PSP_SIZE >> 4);
12312:
1.1.1.19 root 12313: // first free mcb in conventional memory
12314: msdos_mcb_create(seg, 'Z', 0, (MEMORY_END >> 4) - seg - 2);
1.1.1.8 root 12315: first_mcb = seg;
12316:
1.1.1.19 root 12317: // dummy mcb to link to umb
12318: msdos_mcb_create((MEMORY_END >> 4) - 1, 'M', -1, (UMB_TOP >> 4) - (MEMORY_END >> 4));
12319:
12320: // first free mcb in upper memory block
1.1.1.8 root 12321: msdos_mcb_create(UMB_TOP >> 4, 'Z', 0, (UMB_END >> 4) - (UMB_TOP >> 4) - 1);
1.1 root 12322:
1.1.1.29 root 12323: #ifdef SUPPORT_HMA
12324: // first free mcb in high memory area
12325: msdos_hma_mcb_create(0x10, 0, 0xffe0, 0);
12326: #endif
12327:
1.1.1.26 root 12328: // interrupt vector
12329: for(int i = 0; i < 0x80; i++) {
12330: *(UINT16 *)(mem + 4 * i + 0) = i;
12331: *(UINT16 *)(mem + 4 * i + 2) = (IRET_TOP >> 4);
12332: }
12333: *(UINT16 *)(mem + 4 * 0x08 + 0) = 0x0010; // fffd:0010 irq0 (system timer)
12334: *(UINT16 *)(mem + 4 * 0x08 + 2) = 0xfffd;
12335: *(UINT16 *)(mem + 4 * 0x22 + 0) = 0x0000; // ffff:0000 boot
12336: *(UINT16 *)(mem + 4 * 0x22 + 2) = 0xffff;
12337: *(UINT16 *)(mem + 4 * 0x67 + 0) = 0x0012; // xxxx:0012 ems
12338: *(UINT16 *)(mem + 4 * 0x67 + 2) = XMS_TOP >> 4;
12339: *(UINT16 *)(mem + 4 * 0x74 + 0) = 0x0000; // fffd:0000 irq12 (mouse)
12340: *(UINT16 *)(mem + 4 * 0x74 + 2) = 0xfffd;
12341:
1.1.1.29 root 12342: // dummy devices (NUL -> CON -> ... -> CONFIG$ -> EMMXXXX0)
1.1.1.26 root 12343: static const struct {
12344: UINT16 attributes;
12345: char *dev_name;
12346: } dummy_devices[] = {
12347: {0x8013, "CON "},
12348: {0x8000, "AUX "},
12349: {0xa0c0, "PRN "},
12350: {0x8008, "CLOCK$ "},
12351: {0x8000, "COM1 "},
12352: {0xa0c0, "LPT1 "},
12353: {0xa0c0, "LPT2 "},
12354: {0xa0c0, "LPT3 "},
12355: {0x8000, "COM2 "},
12356: {0x8000, "COM3 "},
12357: {0x8000, "COM4 "},
1.1.1.30! root 12358: // {0xc000, "CONFIG$ "},
! 12359: {0xc000, "$IBMADSP"}, // for windows3.1 setup.exe
1.1.1.26 root 12360: };
12361: static const UINT8 dummy_device_routine[] = {
12362: // from NUL device of Windows 98 SE
12363: // or word ptr ES:[BX+03],0100
12364: 0x26, 0x81, 0x4f, 0x03, 0x00, 0x01,
12365: // retf
12366: 0xcb,
12367: };
1.1.1.29 root 12368: device_t *last = NULL;
1.1.1.26 root 12369: for(int i = 0; i < 12; i++) {
12370: device_t *device = (device_t *)(mem + DEVICE_TOP + 22 + 18 * i);
1.1.1.29 root 12371: device->next_driver.w.l = 22 + 18 * (i + 1);
12372: device->next_driver.w.h = DEVICE_TOP >> 4;
1.1.1.26 root 12373: device->attributes = dummy_devices[i].attributes;
1.1.1.29 root 12374: device->strategy = DEVICE_SIZE - sizeof(dummy_device_routine);
12375: device->interrupt = DEVICE_SIZE - sizeof(dummy_device_routine) + 6;
1.1.1.26 root 12376: memcpy(device->dev_name, dummy_devices[i].dev_name, 8);
1.1.1.29 root 12377: last = device;
12378: }
12379: if(last != NULL) {
12380: last->next_driver.w.l = 0;
12381: last->next_driver.w.h = XMS_TOP >> 4;
1.1.1.26 root 12382: }
1.1.1.29 root 12383: memcpy(mem + DEVICE_TOP + DEVICE_SIZE - sizeof(dummy_device_routine), dummy_device_routine, sizeof(dummy_device_routine));
1.1.1.26 root 12384:
1.1.1.25 root 12385: // dos info
12386: dos_info_t *dos_info = (dos_info_t *)(mem + DOS_INFO_TOP);
12387: dos_info->magic_word = 1;
12388: dos_info->first_mcb = MEMORY_TOP >> 4;
12389: dos_info->first_dpb.w.l = 0;
12390: dos_info->first_dpb.w.h = DPB_TOP >> 4;
12391: dos_info->first_sft.w.l = 0;
12392: dos_info->first_sft.w.h = SFT_TOP >> 4;
1.1.1.26 root 12393: dos_info->clock_device.w.l = 22 + 18 * 3; // CLOCK$ is the 3rd device in IO.SYS
1.1.1.25 root 12394: dos_info->clock_device.w.h = DEVICE_TOP >> 4;
1.1.1.26 root 12395: dos_info->con_device.w.l = 22 + 18 * 0; // CON is the 1st device in IO.SYS
1.1.1.25 root 12396: dos_info->con_device.w.h = DEVICE_TOP >> 4;
12397: dos_info->max_sector_len = 512;
12398: dos_info->disk_buf_info.w.l = offsetof(dos_info_t, disk_buf_heads);
12399: dos_info->disk_buf_info.w.h = DOS_INFO_TOP >> 4;
12400: dos_info->cds.w.l = 0;
12401: dos_info->cds.w.h = CDS_TOP >> 4;
12402: dos_info->fcb_table.w.l = 0;
12403: dos_info->fcb_table.w.h = FCB_TABLE_TOP >> 4;
12404: dos_info->last_drive = 'Z' - 'A' + 1;
12405: dos_info->buffers_x = 20;
12406: dos_info->buffers_y = 0;
12407: dos_info->boot_drive = 'C' - 'A' + 1;
1.1.1.29 root 12408: dos_info->nul_device.next_driver.w.l = 22;
12409: dos_info->nul_device.next_driver.w.h = DEVICE_TOP >> 4;
1.1.1.25 root 12410: dos_info->nul_device.attributes = 0x8004;
1.1.1.29 root 12411: dos_info->nul_device.strategy = DOS_INFO_SIZE - sizeof(dummy_device_routine);
12412: dos_info->nul_device.interrupt = DOS_INFO_SIZE - sizeof(dummy_device_routine) + 6;
1.1.1.25 root 12413: memcpy(dos_info->nul_device.dev_name, "NUL ", 8);
12414: dos_info->disk_buf_heads.w.l = 0;
12415: dos_info->disk_buf_heads.w.h = DISK_BUF_TOP >> 4;
12416: dos_info->first_umb_fcb = UMB_TOP >> 4;
12417: dos_info->first_mcb_2 = MEMORY_TOP >> 4;
1.1.1.29 root 12418: memcpy(mem + DOS_INFO_TOP + DOS_INFO_SIZE - sizeof(dummy_device_routine), dummy_device_routine, sizeof(dummy_device_routine));
1.1.1.25 root 12419:
12420: char *env;
12421: if((env = getenv("LASTDRIVE")) != NULL) {
12422: if(env[0] >= 'A' && env[0] <= 'Z') {
12423: dos_info->last_drive = env[0] - 'A' + 1;
12424: } else if(env[0] >= 'a' && env[0] <= 'z') {
12425: dos_info->last_drive = env[0] - 'a' + 1;
12426: }
12427: }
12428: if((env = getenv("windir")) != NULL) {
12429: if(env[0] >= 'A' && env[0] <= 'Z') {
12430: dos_info->boot_drive = env[0] - 'A' + 1;
12431: } else if(env[0] >= 'a' && env[0] <= 'z') {
12432: dos_info->boot_drive = env[0] - 'a' + 1;
12433: }
12434: }
12435: #if defined(HAS_I386)
12436: dos_info->i386_or_later = 1;
12437: #else
12438: dos_info->i386_or_later = 0;
12439: #endif
12440: dos_info->ext_mem_size = (min(MAX_MEM, 0x4000000) - 0x100000) >> 10;
12441:
1.1.1.27 root 12442: // ems (int 67h) and xms
1.1.1.25 root 12443: device_t *xms_device = (device_t *)(mem + XMS_TOP);
12444: xms_device->next_driver.w.l = 0xffff;
12445: xms_device->next_driver.w.h = 0xffff;
12446: xms_device->attributes = 0xc000;
1.1.1.29 root 12447: xms_device->strategy = XMS_SIZE - sizeof(dummy_device_routine);
12448: xms_device->interrupt = XMS_SIZE - sizeof(dummy_device_routine) + 6;
1.1.1.25 root 12449: memcpy(xms_device->dev_name, "EMMXXXX0", 8);
12450:
1.1.1.26 root 12451: mem[XMS_TOP + 0x12] = 0xcd; // int 68h (dummy)
12452: mem[XMS_TOP + 0x13] = 0x68;
12453: mem[XMS_TOP + 0x14] = 0xcf; // iret
1.1.1.19 root 12454: #ifdef SUPPORT_XMS
12455: if(support_xms) {
1.1.1.26 root 12456: mem[XMS_TOP + 0x15] = 0xcd; // int 69h (dummy)
12457: mem[XMS_TOP + 0x16] = 0x69;
12458: mem[XMS_TOP + 0x17] = 0xcb; // retf
1.1.1.19 root 12459: } else
12460: #endif
1.1.1.26 root 12461: mem[XMS_TOP + 0x15] = 0xcb; // retf
1.1.1.29 root 12462: memcpy(mem + XMS_TOP + XMS_SIZE - sizeof(dummy_device_routine), dummy_device_routine, sizeof(dummy_device_routine));
1.1.1.19 root 12463:
1.1.1.26 root 12464: // irq12 routine (mouse)
1.1.1.24 root 12465: mem[0xfffd0 + 0x00] = 0xcd; // int 6ah (dummy)
12466: mem[0xfffd0 + 0x01] = 0x6a;
12467: mem[0xfffd0 + 0x02] = 0x9a; // call far mouse
12468: mem[0xfffd0 + 0x03] = 0xff;
12469: mem[0xfffd0 + 0x04] = 0xff;
12470: mem[0xfffd0 + 0x05] = 0xff;
12471: mem[0xfffd0 + 0x06] = 0xff;
12472: mem[0xfffd0 + 0x07] = 0xcd; // int 6bh (dummy)
12473: mem[0xfffd0 + 0x08] = 0x6b;
12474: mem[0xfffd0 + 0x09] = 0xcf; // iret
12475:
1.1.1.27 root 12476: // case map routine
12477: mem[0xfffd0 + 0x0a] = 0xcd; // int 6ch (dummy)
12478: mem[0xfffd0 + 0x0b] = 0x6c;
12479: mem[0xfffd0 + 0x0c] = 0xcb; // retf
12480:
12481: // font read routine
12482: mem[0xfffd0 + 0x0d] = 0xcd; // int 6dh (dummy)
12483: mem[0xfffd0 + 0x0e] = 0x6d;
12484: mem[0xfffd0 + 0x0f] = 0xcb; // retf
1.1.1.19 root 12485:
1.1.1.26 root 12486: // irq0 routine (system time)
1.1.1.24 root 12487: mem[0xfffd0 + 0x10] = 0xcd; // int 1ch
12488: mem[0xfffd0 + 0x11] = 0x1c;
12489: mem[0xfffd0 + 0x12] = 0xea; // jmp far (IRET_TOP >> 4):0008
12490: mem[0xfffd0 + 0x13] = 0x08;
12491: mem[0xfffd0 + 0x14] = 0x00;
12492: mem[0xfffd0 + 0x15] = ((IRET_TOP >> 4) ) & 0xff;
12493: mem[0xfffd0 + 0x16] = ((IRET_TOP >> 4) >> 8) & 0xff;
1.1.1.14 root 12494:
1.1.1.26 root 12495: // boot routine
1.1 root 12496: mem[0xffff0] = 0xf4; // halt
12497: mem[0xffff1] = 0xcd; // int 21h
12498: mem[0xffff2] = 0x21;
12499: mem[0xffff3] = 0xcb; // retf
12500:
1.1.1.24 root 12501: mem[0xffff5] = '0'; // rom date
12502: mem[0xffff6] = '2';
12503: mem[0xffff7] = '/';
12504: mem[0xffff8] = '2';
12505: mem[0xffff9] = '2';
12506: mem[0xffffa] = '/';
12507: mem[0xffffb] = '0';
12508: mem[0xffffc] = '6';
12509: mem[0xffffe] = 0xfc; // machine id
12510: mem[0xfffff] = 0x00;
12511:
1.1 root 12512: // param block
12513: // + 0: param block (22bytes)
12514: // +24: fcb1/2 (20bytes)
12515: // +44: command tail (128bytes)
12516: param_block_t *param = (param_block_t *)(mem + WORK_TOP);
12517: param->env_seg = 0;
12518: param->cmd_line.w.l = 44;
12519: param->cmd_line.w.h = (WORK_TOP >> 4);
12520: param->fcb1.w.l = 24;
12521: param->fcb1.w.h = (WORK_TOP >> 4);
12522: param->fcb2.w.l = 24;
12523: param->fcb2.w.h = (WORK_TOP >> 4);
12524:
12525: memset(mem + WORK_TOP + 24, 0x20, 20);
12526:
12527: cmd_line_t *cmd_line = (cmd_line_t *)(mem + WORK_TOP + 44);
12528: if(argc > 1) {
12529: sprintf(cmd_line->cmd, " %s", argv[1]);
12530: for(int i = 2; i < argc; i++) {
12531: char tmp[128];
12532: sprintf(tmp, "%s %s", cmd_line->cmd, argv[i]);
12533: strcpy(cmd_line->cmd, tmp);
12534: }
12535: cmd_line->len = (UINT8)strlen(cmd_line->cmd);
12536: } else {
12537: cmd_line->len = 0;
12538: }
12539: cmd_line->cmd[cmd_line->len] = 0x0d;
12540:
12541: // system file table
1.1.1.21 root 12542: *(UINT32 *)(mem + SFT_TOP + 0) = 0xffffffff;
12543: *(UINT16 *)(mem + SFT_TOP + 4) = 20;
1.1 root 12544:
1.1.1.19 root 12545: // disk buffer header (from DOSBox)
12546: *(UINT16 *)(mem + DISK_BUF_TOP + 0) = 0xffff; // forward ptr
12547: *(UINT16 *)(mem + DISK_BUF_TOP + 2) = 0xffff; // backward ptr
12548: *(UINT8 *)(mem + DISK_BUF_TOP + 4) = 0xff; // not in use
12549: *(UINT8 *)(mem + DISK_BUF_TOP + 10) = 0x01; // number of FATs
12550: *(UINT32 *)(mem + DISK_BUF_TOP + 13) = 0xffffffff; // pointer to DPB
12551:
1.1 root 12552: // current directory structure
12553: msdos_cds_update(_getdrive() - 1);
12554:
12555: // fcb table
12556: *(UINT32 *)(mem + FCB_TABLE_TOP + 0) = 0xffffffff;
1.1.1.14 root 12557: *(UINT16 *)(mem + FCB_TABLE_TOP + 4) = 0;
1.1 root 12558:
1.1.1.22 root 12559: // error table
12560: *(UINT8 *)(mem + ERR_TABLE_TOP + 0) = 0xff;
12561: *(UINT8 *)(mem + ERR_TABLE_TOP + 1) = 0x04;
12562: *(UINT8 *)(mem + ERR_TABLE_TOP + 2) = 0x00;
12563: *(UINT8 *)(mem + ERR_TABLE_TOP + 3) = 0x00;
12564:
1.1.1.17 root 12565: // nls stuff
12566: msdos_nls_tables_init();
1.1 root 12567:
12568: // execute command
1.1.1.28 root 12569: try {
12570: if(msdos_process_exec(argv[0], param, 0)) {
12571: fatalerror("'%s' not found\n", argv[0]);
12572: }
12573: } catch(...) {
12574: // we should not reach here :-(
12575: fatalerror("failed to start '%s' because of unexpected exeption\n", argv[0]);
1.1 root 12576: }
12577: retval = 0;
12578: return(0);
12579: }
12580:
12581: #define remove_std_file(path) { \
12582: int fd = _open(path, _O_RDONLY | _O_BINARY); \
12583: if(fd != -1) { \
12584: _lseek(fd, 0, SEEK_END); \
12585: int size = _tell(fd); \
12586: _close(fd); \
12587: if(size == 0) { \
12588: remove(path); \
12589: } \
12590: } \
12591: }
12592:
12593: void msdos_finish()
12594: {
12595: for(int i = 0; i < MAX_FILES; i++) {
12596: if(file_handler[i].valid) {
12597: _close(i);
12598: }
12599: }
1.1.1.21 root 12600: #ifdef MAP_AUX_DEVICE_TO_FILE
1.1 root 12601: remove_std_file("stdaux.txt");
1.1.1.21 root 12602: #endif
12603: #ifdef MAP_PRN_DEVICE_TO_FILE
1.1 root 12604: remove_std_file("stdprn.txt");
12605: #endif
1.1.1.30! root 12606: #ifdef SUPPORT_XMS
! 12607: msdos_xms_finish();
! 12608: #endif
1.1 root 12609: msdos_dbcs_table_finish();
12610: }
12611:
12612: /* ----------------------------------------------------------------------------
12613: PC/AT hardware emulation
12614: ---------------------------------------------------------------------------- */
12615:
12616: void hardware_init()
12617: {
1.1.1.3 root 12618: CPU_INIT_CALL(CPU_MODEL);
1.1 root 12619: CPU_RESET_CALL(CPU_MODEL);
1.1.1.14 root 12620: m_IF = 1;
1.1.1.3 root 12621: #if defined(HAS_I386)
1.1 root 12622: cpu_type = (REG32(EDX) >> 8) & 0x0f;
12623: cpu_step = (REG32(EDX) >> 0) & 0x0f;
1.1.1.3 root 12624: #endif
12625: i386_set_a20_line(0);
1.1.1.14 root 12626:
1.1.1.19 root 12627: ems_init();
1.1.1.25 root 12628: dma_init();
1.1 root 12629: pic_init();
1.1.1.25 root 12630: pio_init();
1.1.1.8 root 12631: #ifdef PIT_ALWAYS_RUNNING
12632: pit_init();
12633: #else
1.1 root 12634: pit_active = 0;
12635: #endif
1.1.1.25 root 12636: sio_init();
1.1.1.8 root 12637: cmos_init();
12638: kbd_init();
1.1 root 12639: }
12640:
1.1.1.10 root 12641: void hardware_finish()
12642: {
12643: #if defined(HAS_I386)
12644: vtlb_free(m_vtlb);
12645: #endif
1.1.1.19 root 12646: ems_finish();
1.1.1.25 root 12647: sio_finish();
1.1.1.10 root 12648: }
12649:
1.1.1.28 root 12650: void hardware_release()
12651: {
12652: // release hardware resources when this program will be terminated abnormally
12653: #ifdef EXPORT_DEBUG_TO_FILE
12654: if(fdebug != NULL) {
12655: fclose(fdebug);
12656: fdebug = NULL;
12657: }
12658: #endif
12659: #if defined(HAS_I386)
12660: vtlb_free(m_vtlb);
12661: #endif
12662: ems_release();
12663: sio_release();
12664: }
12665:
1.1 root 12666: void hardware_run()
12667: {
12668: int ops = 0;
12669:
1.1.1.22 root 12670: #ifdef EXPORT_DEBUG_TO_FILE
1.1.1.28 root 12671: // open debug log file after msdos_init() is done not to use the standard file handlers
1.1.1.22 root 12672: fdebug = fopen("debug.log", "w");
12673: #endif
1.1.1.3 root 12674: while(!m_halted) {
1.1.1.22 root 12675: #ifdef ENABLE_DEBUG_DASM
12676: if(dasm > 0) {
1.1 root 12677: char buffer[256];
1.1.1.3 root 12678: #if defined(HAS_I386)
1.1.1.22 root 12679: UINT32 flags = get_flags();
1.1.1.19 root 12680: UINT32 eip = m_eip;
1.1.1.3 root 12681: #else
1.1.1.22 root 12682: UINT32 flags = CompressFlags();
1.1.1.19 root 12683: UINT32 eip = m_pc - SREG_BASE(CS);
1.1.1.3 root 12684: #endif
12685: UINT8 *oprom = mem + SREG_BASE(CS) + eip;
1.1 root 12686:
1.1.1.3 root 12687: #if defined(HAS_I386)
12688: if(m_operand_size) {
1.1 root 12689: CPU_DISASSEMBLE_CALL(x86_32);
1.1.1.3 root 12690: } else
12691: #endif
12692: CPU_DISASSEMBLE_CALL(x86_16);
1.1.1.22 root 12693:
12694: fprintf(fdebug, "AX=%04X BX=%04X CX=%04X DX=%04X SP=%04X BP=%04X SI=%04X DI=%04X\nDS=%04X ES=%04X SS=%04X CS=%04X IP=%04X FLAG=[%s %c%c%c%c%c%c%c%c%c%c%c%c%c%c%c]\n",
12695: REG16(AX), REG16(BX), REG16(CX), REG16(DX), REG16(SP), REG16(BP), REG16(SI), REG16(DI), SREG(DS), SREG(ES), SREG(SS), SREG(CS), eip,
12696: #if defined(HAS_I386)
12697: PROTECTED_MODE ? "PE" : "--",
12698: #else
12699: "--",
12700: #endif
12701: (flags & 0x40000) ? 'A' : '-',
12702: (flags & 0x20000) ? 'V' : '-',
12703: (flags & 0x10000) ? 'R' : '-',
12704: (flags & 0x04000) ? 'N' : '-',
12705: (flags & 0x02000) ? '1' : '0',
12706: (flags & 0x01000) ? '1' : '0',
12707: (flags & 0x00800) ? 'O' : '-',
12708: (flags & 0x00400) ? 'D' : '-',
12709: (flags & 0x00200) ? 'I' : '-',
12710: (flags & 0x00100) ? 'T' : '-',
12711: (flags & 0x00080) ? 'S' : '-',
12712: (flags & 0x00040) ? 'Z' : '-',
12713: (flags & 0x00010) ? 'A' : '-',
12714: (flags & 0x00004) ? 'P' : '-',
12715: (flags & 0x00001) ? 'C' : '-');
12716: fprintf(fdebug, "%04X:%04X\t%s\n", SREG(CS), (unsigned)eip, buffer);
12717: dasm--;
1.1 root 12718: }
12719: #endif
1.1.1.3 root 12720: #if defined(HAS_I386)
12721: m_cycles = 1;
1.1 root 12722: CPU_EXECUTE_CALL(i386);
1.1.1.3 root 12723: #else
12724: CPU_EXECUTE_CALL(CPU_MODEL);
12725: #endif
1.1.1.14 root 12726: #if defined(HAS_I386)
12727: if(m_eip != m_prev_eip) {
12728: #else
12729: if(m_pc != m_prevpc) {
12730: #endif
12731: iops++;
12732: }
1.1.1.8 root 12733: if(++ops == 16384) {
1.1 root 12734: hardware_update();
12735: ops = 0;
12736: }
12737: }
1.1.1.22 root 12738: #ifdef EXPORT_DEBUG_TO_FILE
1.1.1.28 root 12739: if(fdebug != NULL) {
12740: fclose(fdebug);
12741: fdebug = NULL;
12742: }
1.1.1.22 root 12743: #endif
1.1 root 12744: }
12745:
12746: void hardware_update()
12747: {
1.1.1.8 root 12748: static UINT32 prev_time = 0;
12749: UINT32 cur_time = timeGetTime();
12750:
12751: if(prev_time != cur_time) {
12752: // update pit and raise irq0
12753: #ifndef PIT_ALWAYS_RUNNING
12754: if(pit_active)
12755: #endif
12756: {
12757: if(pit_run(0, cur_time)) {
12758: pic_req(0, 0, 1);
12759: }
12760: pit_run(1, cur_time);
12761: pit_run(2, cur_time);
12762: }
1.1.1.24 root 12763:
1.1.1.25 root 12764: // update sio and raise irq4/3
1.1.1.29 root 12765: for(int c = 0; c < 4; c++) {
1.1.1.25 root 12766: sio_update(c);
12767: }
12768:
1.1.1.24 root 12769: // update keyboard and mouse
1.1.1.14 root 12770: static UINT32 prev_tick = 0;
12771: UINT32 cur_tick = cur_time / 32;
1.1.1.25 root 12772:
1.1.1.14 root 12773: if(prev_tick != cur_tick) {
12774: // update keyboard flags
12775: UINT8 state;
1.1.1.24 root 12776: state = (GetAsyncKeyState(VK_INSERT ) & 0x0001) ? 0x80 : 0;
12777: state |= (GetAsyncKeyState(VK_CAPITAL ) & 0x0001) ? 0x40 : 0;
12778: state |= (GetAsyncKeyState(VK_NUMLOCK ) & 0x0001) ? 0x20 : 0;
12779: state |= (GetAsyncKeyState(VK_SCROLL ) & 0x0001) ? 0x10 : 0;
12780: state |= (GetAsyncKeyState(VK_MENU ) & 0x8000) ? 0x08 : 0;
12781: state |= (GetAsyncKeyState(VK_CONTROL ) & 0x8000) ? 0x04 : 0;
12782: state |= (GetAsyncKeyState(VK_LSHIFT ) & 0x8000) ? 0x02 : 0;
12783: state |= (GetAsyncKeyState(VK_RSHIFT ) & 0x8000) ? 0x01 : 0;
1.1.1.14 root 12784: mem[0x417] = state;
12785: state = (GetAsyncKeyState(VK_INSERT ) & 0x8000) ? 0x80 : 0;
12786: state |= (GetAsyncKeyState(VK_CAPITAL ) & 0x8000) ? 0x40 : 0;
12787: state |= (GetAsyncKeyState(VK_NUMLOCK ) & 0x8000) ? 0x20 : 0;
12788: state |= (GetAsyncKeyState(VK_SCROLL ) & 0x8000) ? 0x10 : 0;
1.1.1.24 root 12789: // state |= (GetAsyncKeyState(VK_PAUSE ) & 0x0001) ? 0x08 : 0;
12790: // state |= (GetAsyncKeyState(VK_SYSREQ ) & 0x8000) ? 0x04 : 0;
1.1.1.14 root 12791: state |= (GetAsyncKeyState(VK_LMENU ) & 0x8000) ? 0x02 : 0;
12792: state |= (GetAsyncKeyState(VK_LCONTROL) & 0x8000) ? 0x01 : 0;
12793: mem[0x418] = state;
12794:
1.1.1.24 root 12795: // update console input if needed
12796: if(!key_changed || mouse.active) {
12797: update_console_input();
12798: }
12799:
12800: // raise irq1 if key is pressed/released
12801: if(key_changed) {
1.1.1.8 root 12802: pic_req(0, 1, 1);
1.1.1.24 root 12803: key_changed = false;
12804: }
12805:
12806: // raise irq12 if mouse status is changed
12807: if(mouse.status & mouse.call_mask) {
12808: if(mouse.active) {
12809: pic_req(1, 4, 1);
12810: mouse.status_irq = mouse.status & mouse.call_mask;
12811: }
12812: mouse.status &= ~mouse.call_mask;
1.1.1.8 root 12813: }
1.1.1.24 root 12814:
1.1.1.14 root 12815: prev_tick = cur_tick;
1.1.1.8 root 12816: }
1.1.1.24 root 12817:
1.1.1.19 root 12818: // update daily timer counter
12819: pcbios_update_daily_timer_counter(cur_time);
1.1.1.25 root 12820:
1.1.1.8 root 12821: prev_time = cur_time;
1.1 root 12822: }
12823: }
12824:
1.1.1.19 root 12825: // ems
12826:
12827: void ems_init()
12828: {
12829: memset(ems_handles, 0, sizeof(ems_handles));
12830: memset(ems_pages, 0, sizeof(ems_pages));
12831: free_ems_pages = MAX_EMS_PAGES;
12832: }
12833:
12834: void ems_finish()
12835: {
1.1.1.28 root 12836: ems_release();
12837: }
12838:
12839: void ems_release()
12840: {
1.1.1.19 root 12841: for(int i = 0; i < MAX_EMS_HANDLES; i++) {
1.1.1.28 root 12842: if(ems_handles[i].buffer != NULL) {
1.1.1.19 root 12843: free(ems_handles[i].buffer);
12844: ems_handles[i].buffer = NULL;
12845: }
12846: }
12847: }
12848:
12849: void ems_allocate_pages(int handle, int pages)
12850: {
12851: if(pages > 0) {
12852: ems_handles[handle].buffer = (UINT8 *)calloc(1, 0x4000 * pages);
12853: } else {
12854: ems_handles[handle].buffer = NULL;
12855: }
12856: ems_handles[handle].pages = pages;
12857: ems_handles[handle].allocated = true;
12858: free_ems_pages -= pages;
12859: }
12860:
12861: void ems_reallocate_pages(int handle, int pages)
12862: {
12863: if(ems_handles[handle].allocated) {
12864: if(ems_handles[handle].pages != pages) {
12865: UINT8 *new_buffer = NULL;
12866:
12867: if(pages > 0) {
12868: new_buffer = (UINT8 *)calloc(1, 0x4000 * pages);
12869: }
12870: if(ems_handles[handle].buffer) {
12871: if(new_buffer) {
12872: if(pages > ems_handles[handle].pages) {
12873: memcpy(new_buffer, ems_handles[handle].buffer, 0x4000 * ems_handles[handle].pages);
12874: } else {
12875: memcpy(new_buffer, ems_handles[handle].buffer, 0x4000 * pages);
12876: }
12877: }
12878: free(ems_handles[handle].buffer);
12879: ems_handles[handle].buffer = NULL;
12880: }
12881: free_ems_pages += ems_handles[handle].pages;
12882:
12883: ems_handles[handle].buffer = new_buffer;
12884: ems_handles[handle].pages = pages;
12885: free_ems_pages -= pages;
12886: }
12887: } else {
12888: ems_allocate_pages(handle, pages);
12889: }
12890: }
12891:
12892: void ems_release_pages(int handle)
12893: {
12894: if(ems_handles[handle].allocated) {
12895: if(ems_handles[handle].buffer) {
12896: free(ems_handles[handle].buffer);
12897: ems_handles[handle].buffer = NULL;
12898: }
12899: free_ems_pages += ems_handles[handle].pages;
12900: ems_handles[handle].allocated = false;
12901: }
12902: }
12903:
12904: void ems_map_page(int physical, int handle, int logical)
12905: {
12906: if(ems_pages[physical].mapped) {
12907: if(ems_pages[physical].handle == handle && ems_pages[physical].page == logical) {
12908: return;
12909: }
12910: ems_unmap_page(physical);
12911: }
12912: if(ems_handles[handle].allocated && ems_handles[handle].buffer && logical < ems_handles[handle].pages) {
12913: memcpy(mem + EMS_TOP + 0x4000 * physical, ems_handles[handle].buffer + 0x4000 * logical, 0x4000);
12914: }
12915: ems_pages[physical].handle = handle;
12916: ems_pages[physical].page = logical;
12917: ems_pages[physical].mapped = true;
12918: }
12919:
12920: void ems_unmap_page(int physical)
12921: {
12922: if(ems_pages[physical].mapped) {
12923: int handle = ems_pages[physical].handle;
12924: int logical = ems_pages[physical].page;
12925:
12926: if(ems_handles[handle].allocated && ems_handles[handle].buffer && logical < ems_handles[handle].pages) {
12927: memcpy(ems_handles[handle].buffer + 0x4000 * logical, mem + EMS_TOP + 0x4000 * physical, 0x4000);
12928: }
12929: ems_pages[physical].mapped = false;
12930: }
12931: }
12932:
1.1.1.25 root 12933: // dma
1.1 root 12934:
1.1.1.25 root 12935: void dma_init()
1.1 root 12936: {
1.1.1.26 root 12937: memset(dma, 0, sizeof(dma));
1.1.1.25 root 12938: for(int c = 0; c < 2; c++) {
1.1.1.26 root 12939: // for(int ch = 0; ch < 4; ch++) {
12940: // dma[c].ch[ch].creg.w = dma[c].ch[ch].bcreg.w = 0xffff;
12941: // }
1.1.1.25 root 12942: dma_reset(c);
12943: }
1.1 root 12944: }
12945:
1.1.1.25 root 12946: void dma_reset(int c)
1.1 root 12947: {
1.1.1.25 root 12948: dma[c].low_high = false;
12949: dma[c].cmd = dma[c].req = dma[c].tc = 0;
12950: dma[c].mask = 0xff;
12951: }
12952:
12953: void dma_write(int c, UINT32 addr, UINT8 data)
12954: {
12955: int ch = (addr >> 1) & 3;
12956: UINT8 bit = 1 << (data & 3);
12957:
12958: switch(addr & 0x0f) {
12959: case 0x00: case 0x02: case 0x04: case 0x06:
12960: if(dma[c].low_high) {
12961: dma[c].ch[ch].bareg.b.h = data;
1.1 root 12962: } else {
1.1.1.25 root 12963: dma[c].ch[ch].bareg.b.l = data;
12964: }
12965: dma[c].ch[ch].areg.w = dma[c].ch[ch].bareg.w;
12966: dma[c].low_high = !dma[c].low_high;
12967: break;
12968: case 0x01: case 0x03: case 0x05: case 0x07:
12969: if(dma[c].low_high) {
12970: dma[c].ch[ch].bcreg.b.h = data;
12971: } else {
12972: dma[c].ch[ch].bcreg.b.l = data;
12973: }
12974: dma[c].ch[ch].creg.w = dma[c].ch[ch].bcreg.w;
12975: dma[c].low_high = !dma[c].low_high;
12976: break;
12977: case 0x08:
12978: // command register
12979: dma[c].cmd = data;
12980: break;
12981: case 0x09:
12982: // dma[c].request register
12983: if(data & 4) {
12984: if(!(dma[c].req & bit)) {
12985: dma[c].req |= bit;
12986: // dma_run(c, ch);
12987: }
12988: } else {
12989: dma[c].req &= ~bit;
12990: }
12991: break;
12992: case 0x0a:
12993: // single mask register
12994: if(data & 4) {
12995: dma[c].mask |= bit;
12996: } else {
12997: dma[c].mask &= ~bit;
12998: }
12999: break;
13000: case 0x0b:
13001: // mode register
13002: dma[c].ch[data & 3].mode = data;
13003: break;
13004: case 0x0c:
13005: dma[c].low_high = false;
13006: break;
13007: case 0x0d:
13008: // clear master
13009: dma_reset(c);
13010: break;
13011: case 0x0e:
13012: // clear mask register
13013: dma[c].mask = 0;
13014: break;
13015: case 0x0f:
13016: // all mask register
13017: dma[c].mask = data & 0x0f;
13018: break;
13019: }
13020: }
13021:
13022: UINT8 dma_read(int c, UINT32 addr)
13023: {
13024: int ch = (addr >> 1) & 3;
13025: UINT8 val = 0xff;
13026:
13027: switch(addr & 0x0f) {
13028: case 0x00: case 0x02: case 0x04: case 0x06:
13029: if(dma[c].low_high) {
13030: val = dma[c].ch[ch].areg.b.h;
13031: } else {
13032: val = dma[c].ch[ch].areg.b.l;
13033: }
13034: dma[c].low_high = !dma[c].low_high;
13035: return(val);
13036: case 0x01: case 0x03: case 0x05: case 0x07:
13037: if(dma[c].low_high) {
13038: val = dma[c].ch[ch].creg.b.h;
13039: } else {
13040: val = dma[c].ch[ch].creg.b.l;
13041: }
13042: dma[c].low_high = !dma[c].low_high;
13043: return(val);
13044: case 0x08:
13045: // status register
13046: val = (dma[c].req << 4) | dma[c].tc;
13047: dma[c].tc = 0;
13048: return(val);
13049: case 0x0d:
1.1.1.26 root 13050: // temporary register (intel 82374 does not support)
1.1.1.25 root 13051: return(dma[c].tmp & 0xff);
1.1.1.26 root 13052: case 0x0f:
13053: // mask register (intel 82374 does support)
13054: return(dma[c].mask);
1.1.1.25 root 13055: }
13056: return(0xff);
13057: }
13058:
13059: void dma_page_write(int c, int ch, UINT8 data)
13060: {
13061: dma[c].ch[ch].pagereg = data;
13062: }
13063:
13064: UINT8 dma_page_read(int c, int ch)
13065: {
13066: return(dma[c].ch[ch].pagereg);
13067: }
13068:
13069: void dma_run(int c, int ch)
13070: {
13071: UINT8 bit = 1 << ch;
13072:
13073: if((dma[c].req & bit) && !(dma[c].mask & bit)) {
13074: // execute dma
13075: while(dma[c].req & bit) {
13076: if(ch == 0 && (dma[c].cmd & 0x01)) {
13077: // memory -> memory
13078: UINT32 saddr = dma[c].ch[0].areg.w | (dma[c].ch[0].pagereg << 16);
13079: UINT32 daddr = dma[c].ch[1].areg.w | (dma[c].ch[1].pagereg << 16);
13080:
13081: if(c == 0) {
13082: dma[c].tmp = read_byte(saddr);
13083: write_byte(daddr, dma[c].tmp);
13084: } else {
13085: dma[c].tmp = read_word(saddr << 1);
13086: write_word(daddr << 1, dma[c].tmp);
13087: }
13088: if(!(dma[c].cmd & 0x02)) {
13089: if(dma[c].ch[0].mode & 0x20) {
13090: dma[c].ch[0].areg.w--;
13091: if(dma[c].ch[0].areg.w == 0xffff) {
13092: dma[c].ch[0].pagereg--;
13093: }
13094: } else {
13095: dma[c].ch[0].areg.w++;
13096: if(dma[c].ch[0].areg.w == 0) {
13097: dma[c].ch[0].pagereg++;
13098: }
13099: }
13100: }
13101: if(dma[c].ch[1].mode & 0x20) {
13102: dma[c].ch[1].areg.w--;
13103: if(dma[c].ch[1].areg.w == 0xffff) {
13104: dma[c].ch[1].pagereg--;
13105: }
13106: } else {
13107: dma[c].ch[1].areg.w++;
13108: if(dma[c].ch[1].areg.w == 0) {
13109: dma[c].ch[1].pagereg++;
13110: }
13111: }
13112:
13113: // check dma condition
13114: if(dma[c].ch[0].creg.w-- == 0) {
13115: if(dma[c].ch[0].mode & 0x10) {
13116: // self initialize
13117: dma[c].ch[0].areg.w = dma[c].ch[0].bareg.w;
13118: dma[c].ch[0].creg.w = dma[c].ch[0].bcreg.w;
13119: } else {
13120: // dma[c].mask |= bit;
13121: }
13122: }
13123: if(dma[c].ch[1].creg.w-- == 0) {
13124: // terminal count
13125: if(dma[c].ch[1].mode & 0x10) {
13126: // self initialize
13127: dma[c].ch[1].areg.w = dma[c].ch[1].bareg.w;
13128: dma[c].ch[1].creg.w = dma[c].ch[1].bcreg.w;
13129: } else {
13130: dma[c].mask |= bit;
13131: }
13132: dma[c].req &= ~bit;
13133: dma[c].tc |= bit;
13134: }
13135: } else {
13136: UINT32 addr = dma[c].ch[ch].areg.w | (dma[c].ch[ch].pagereg << 16);
13137:
13138: if((dma[c].ch[ch].mode & 0x0c) == 0x00) {
13139: // verify
13140: } else if((dma[c].ch[ch].mode & 0x0c) == 0x04) {
13141: // io -> memory
13142: if(c == 0) {
13143: dma[c].tmp = read_io_byte(dma[c].ch[ch].port);
13144: write_byte(addr, dma[c].tmp);
13145: } else {
13146: dma[c].tmp = read_io_word(dma[c].ch[ch].port);
13147: write_word(addr << 1, dma[c].tmp);
13148: }
13149: } else if((dma[c].ch[ch].mode & 0x0c) == 0x08) {
13150: // memory -> io
13151: if(c == 0) {
13152: dma[c].tmp = read_byte(addr);
13153: write_io_byte(dma[c].ch[ch].port, dma[c].tmp);
13154: } else {
13155: dma[c].tmp = read_word(addr << 1);
13156: write_io_word(dma[c].ch[ch].port, dma[c].tmp);
13157: }
13158: }
13159: if(dma[c].ch[ch].mode & 0x20) {
13160: dma[c].ch[ch].areg.w--;
13161: if(dma[c].ch[ch].areg.w == 0xffff) {
13162: dma[c].ch[ch].pagereg--;
13163: }
13164: } else {
13165: dma[c].ch[ch].areg.w++;
13166: if(dma[c].ch[ch].areg.w == 0) {
13167: dma[c].ch[ch].pagereg++;
13168: }
13169: }
13170:
13171: // check dma condition
13172: if(dma[c].ch[ch].creg.w-- == 0) {
13173: // terminal count
13174: if(dma[c].ch[ch].mode & 0x10) {
13175: // self initialize
13176: dma[c].ch[ch].areg.w = dma[c].ch[ch].bareg.w;
13177: dma[c].ch[ch].creg.w = dma[c].ch[ch].bcreg.w;
13178: } else {
13179: dma[c].mask |= bit;
13180: }
13181: dma[c].req &= ~bit;
13182: dma[c].tc |= bit;
13183: } else if((dma[c].ch[ch].mode & 0xc0) == 0x40) {
13184: // single mode
13185: break;
13186: }
13187: }
13188: }
13189: }
13190: }
13191:
13192: // pic
13193:
13194: void pic_init()
13195: {
13196: memset(pic, 0, sizeof(pic));
13197: pic[0].imr = pic[1].imr = 0xff;
13198:
13199: // from bochs bios
13200: pic_write(0, 0, 0x11); // icw1 = 11h
13201: pic_write(0, 1, 0x08); // icw2 = 08h
13202: pic_write(0, 1, 0x04); // icw3 = 04h
13203: pic_write(0, 1, 0x01); // icw4 = 01h
13204: pic_write(0, 1, 0xb8); // ocw1 = b8h
13205: pic_write(1, 0, 0x11); // icw1 = 11h
13206: pic_write(1, 1, 0x70); // icw2 = 70h
13207: pic_write(1, 1, 0x02); // icw3 = 02h
13208: pic_write(1, 1, 0x01); // icw4 = 01h
13209: }
13210:
13211: void pic_write(int c, UINT32 addr, UINT8 data)
13212: {
13213: if(addr & 1) {
13214: if(pic[c].icw2_r) {
13215: // icw2
13216: pic[c].icw2 = data;
13217: pic[c].icw2_r = 0;
13218: } else if(pic[c].icw3_r) {
13219: // icw3
13220: pic[c].icw3 = data;
13221: pic[c].icw3_r = 0;
13222: } else if(pic[c].icw4_r) {
13223: // icw4
13224: pic[c].icw4 = data;
13225: pic[c].icw4_r = 0;
13226: } else {
13227: // ocw1
1.1 root 13228: pic[c].imr = data;
13229: }
13230: } else {
13231: if(data & 0x10) {
13232: // icw1
13233: pic[c].icw1 = data;
13234: pic[c].icw2_r = 1;
13235: pic[c].icw3_r = (data & 2) ? 0 : 1;
13236: pic[c].icw4_r = data & 1;
13237: pic[c].irr = 0;
13238: pic[c].isr = 0;
13239: pic[c].imr = 0;
13240: pic[c].prio = 0;
13241: if(!(pic[c].icw1 & 1)) {
13242: pic[c].icw4 = 0;
13243: }
13244: pic[c].ocw3 = 0;
13245: } else if(data & 8) {
13246: // ocw3
13247: if(!(data & 2)) {
13248: data = (data & ~1) | (pic[c].ocw3 & 1);
13249: }
13250: if(!(data & 0x40)) {
13251: data = (data & ~0x20) | (pic[c].ocw3 & 0x20);
13252: }
13253: pic[c].ocw3 = data;
13254: } else {
13255: // ocw2
13256: int level = 0;
13257: if(data & 0x40) {
13258: level = data & 7;
13259: } else {
13260: if(!pic[c].isr) {
13261: return;
13262: }
13263: level = pic[c].prio;
13264: while(!(pic[c].isr & (1 << level))) {
13265: level = (level + 1) & 7;
13266: }
13267: }
13268: if(data & 0x80) {
13269: pic[c].prio = (level + 1) & 7;
13270: }
13271: if(data & 0x20) {
13272: pic[c].isr &= ~(1 << level);
13273: }
13274: }
13275: }
13276: pic_update();
13277: }
13278:
13279: UINT8 pic_read(int c, UINT32 addr)
13280: {
13281: if(addr & 1) {
13282: return(pic[c].imr);
13283: } else {
13284: // polling mode is not supported...
13285: //if(pic[c].ocw3 & 4) {
13286: // return ???;
13287: //}
13288: if(pic[c].ocw3 & 1) {
13289: return(pic[c].isr);
13290: } else {
13291: return(pic[c].irr);
13292: }
13293: }
13294: }
13295:
13296: void pic_req(int c, int level, int signal)
13297: {
13298: if(signal) {
13299: pic[c].irr |= (1 << level);
13300: } else {
13301: pic[c].irr &= ~(1 << level);
13302: }
13303: pic_update();
13304: }
13305:
13306: int pic_ack()
13307: {
13308: // ack (INTA=L)
13309: pic[pic_req_chip].isr |= pic_req_bit;
13310: pic[pic_req_chip].irr &= ~pic_req_bit;
13311: if(pic_req_chip > 0) {
13312: // update isr and irr of master
13313: UINT8 slave = 1 << (pic[pic_req_chip].icw3 & 7);
13314: pic[pic_req_chip - 1].isr |= slave;
13315: pic[pic_req_chip - 1].irr &= ~slave;
13316: }
13317: //if(pic[pic_req_chip].icw4 & 1) {
13318: // 8086 mode
13319: int vector = (pic[pic_req_chip].icw2 & 0xf8) | pic_req_level;
13320: //} else {
13321: // // 8080 mode
13322: // UINT16 addr = (UINT16)pic[pic_req_chip].icw2 << 8;
13323: // if(pic[pic_req_chip].icw1 & 4) {
13324: // addr |= (pic[pic_req_chip].icw1 & 0xe0) | (pic_req_level << 2);
13325: // } else {
13326: // addr |= (pic[pic_req_chip].icw1 & 0xc0) | (pic_req_level << 3);
13327: // }
13328: // vector = 0xcd | (addr << 8);
13329: //}
13330: if(pic[pic_req_chip].icw4 & 2) {
13331: // auto eoi
13332: pic[pic_req_chip].isr &= ~pic_req_bit;
13333: }
13334: return(vector);
13335: }
13336:
13337: void pic_update()
13338: {
13339: for(int c = 0; c < 2; c++) {
13340: UINT8 irr = pic[c].irr;
13341: if(c + 1 < 2) {
13342: // this is master
13343: if(pic[c + 1].irr & (~pic[c + 1].imr)) {
13344: // request from slave
13345: irr |= 1 << (pic[c + 1].icw3 & 7);
13346: }
13347: }
13348: irr &= (~pic[c].imr);
13349: if(!irr) {
13350: break;
13351: }
13352: if(!(pic[c].ocw3 & 0x20)) {
13353: irr |= pic[c].isr;
13354: }
13355: int level = pic[c].prio;
13356: UINT8 bit = 1 << level;
13357: while(!(irr & bit)) {
13358: level = (level + 1) & 7;
13359: bit = 1 << level;
13360: }
13361: if((c + 1 < 2) && (pic[c].icw3 & bit)) {
13362: // check slave
13363: continue;
13364: }
13365: if(pic[c].isr & bit) {
13366: break;
13367: }
13368: // interrupt request
13369: pic_req_chip = c;
13370: pic_req_level = level;
13371: pic_req_bit = bit;
1.1.1.3 root 13372: i386_set_irq_line(INPUT_LINE_IRQ, HOLD_LINE);
1.1 root 13373: return;
13374: }
1.1.1.3 root 13375: i386_set_irq_line(INPUT_LINE_IRQ, CLEAR_LINE);
1.1.1.2 root 13376: }
1.1 root 13377:
1.1.1.25 root 13378: // pio
13379:
13380: void pio_init()
13381: {
1.1.1.26 root 13382: memset(pio, 0, sizeof(pio));
1.1.1.25 root 13383: for(int c = 0; c < 2; c++) {
13384: pio[c].stat = 0xde;
13385: pio[c].ctrl = 0x0c;
13386: }
13387: }
13388:
13389: void pio_write(int c, UINT32 addr, UINT8 data)
13390: {
13391: switch(addr & 3) {
13392: case 0:
13393: pio[c].data = data;
13394: break;
13395: case 2:
13396: pio[c].ctrl = data;
13397: break;
13398: }
13399: }
13400:
13401: UINT8 pio_read(int c, UINT32 addr)
13402: {
13403: switch(addr & 3) {
13404: case 0:
13405: return(pio[c].data);
13406: case 1:
13407: return(pio[c].stat);
13408: case 2:
13409: return(pio[c].ctrl);
13410: }
13411: return(0xff);
13412: }
13413:
1.1 root 13414: // pit
13415:
1.1.1.22 root 13416: #define PIT_FREQ 1193182ULL
1.1 root 13417: #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)
13418:
13419: void pit_init()
13420: {
1.1.1.8 root 13421: memset(pit, 0, sizeof(pit));
1.1 root 13422: for(int ch = 0; ch < 3; ch++) {
13423: pit[ch].count = 0x10000;
13424: pit[ch].ctrl_reg = 0x34;
13425: pit[ch].mode = 3;
13426: }
13427:
13428: // from bochs bios
13429: pit_write(3, 0x34);
13430: pit_write(0, 0x00);
13431: pit_write(0, 0x00);
13432: }
13433:
13434: void pit_write(int ch, UINT8 val)
13435: {
1.1.1.8 root 13436: #ifndef PIT_ALWAYS_RUNNING
1.1 root 13437: if(!pit_active) {
13438: pit_active = 1;
13439: pit_init();
13440: }
1.1.1.8 root 13441: #endif
1.1 root 13442: switch(ch) {
13443: case 0:
13444: case 1:
13445: case 2:
13446: // write count register
13447: if(!pit[ch].low_write && !pit[ch].high_write) {
13448: if(pit[ch].ctrl_reg & 0x10) {
13449: pit[ch].low_write = 1;
13450: }
13451: if(pit[ch].ctrl_reg & 0x20) {
13452: pit[ch].high_write = 1;
13453: }
13454: }
13455: if(pit[ch].low_write) {
13456: pit[ch].count_reg = val;
13457: pit[ch].low_write = 0;
13458: } else if(pit[ch].high_write) {
13459: if((pit[ch].ctrl_reg & 0x30) == 0x20) {
13460: pit[ch].count_reg = val << 8;
13461: } else {
13462: pit[ch].count_reg |= val << 8;
13463: }
13464: pit[ch].high_write = 0;
13465: }
13466: // start count
1.1.1.8 root 13467: if(!pit[ch].low_write && !pit[ch].high_write) {
13468: if(pit[ch].mode == 0 || pit[ch].mode == 4 || pit[ch].prev_time == 0) {
13469: pit[ch].count = PIT_COUNT_VALUE(ch);
13470: pit[ch].prev_time = timeGetTime();
13471: pit[ch].expired_time = pit[ch].prev_time + pit_get_expired_time(ch);
1.1 root 13472: }
13473: }
13474: break;
13475: case 3: // ctrl reg
13476: if((val & 0xc0) == 0xc0) {
13477: // i8254 read-back command
13478: for(ch = 0; ch < 3; ch++) {
13479: if(!(val & 0x10) && !pit[ch].status_latched) {
13480: pit[ch].status = pit[ch].ctrl_reg & 0x3f;
13481: pit[ch].status_latched = 1;
13482: }
13483: if(!(val & 0x20) && !pit[ch].count_latched) {
13484: pit_latch_count(ch);
13485: }
13486: }
13487: break;
13488: }
13489: ch = (val >> 6) & 3;
13490: if(val & 0x30) {
13491: static int modes[8] = {0, 1, 2, 3, 4, 5, 2, 3};
13492: pit[ch].mode = modes[(val >> 1) & 7];
13493: pit[ch].count_latched = 0;
13494: pit[ch].low_read = pit[ch].high_read = 0;
13495: pit[ch].low_write = pit[ch].high_write = 0;
13496: pit[ch].ctrl_reg = val;
13497: // stop count
1.1.1.8 root 13498: pit[ch].prev_time = pit[ch].expired_time = 0;
1.1 root 13499: pit[ch].count_reg = 0;
13500: } else if(!pit[ch].count_latched) {
13501: pit_latch_count(ch);
13502: }
13503: break;
13504: }
13505: }
13506:
13507: UINT8 pit_read(int ch)
13508: {
1.1.1.8 root 13509: #ifndef PIT_ALWAYS_RUNNING
1.1 root 13510: if(!pit_active) {
13511: pit_active = 1;
13512: pit_init();
13513: }
1.1.1.8 root 13514: #endif
1.1 root 13515: switch(ch) {
13516: case 0:
13517: case 1:
13518: case 2:
13519: if(pit[ch].status_latched) {
13520: pit[ch].status_latched = 0;
13521: return(pit[ch].status);
13522: }
13523: // if not latched, through current count
13524: if(!pit[ch].count_latched) {
13525: if(!pit[ch].low_read && !pit[ch].high_read) {
13526: pit_latch_count(ch);
13527: }
13528: }
13529: // return latched count
13530: if(pit[ch].low_read) {
13531: pit[ch].low_read = 0;
13532: if(!pit[ch].high_read) {
13533: pit[ch].count_latched = 0;
13534: }
13535: return(pit[ch].latch & 0xff);
13536: } else if(pit[ch].high_read) {
13537: pit[ch].high_read = 0;
13538: pit[ch].count_latched = 0;
13539: return((pit[ch].latch >> 8) & 0xff);
13540: }
13541: }
13542: return(0xff);
13543: }
13544:
1.1.1.8 root 13545: int pit_run(int ch, UINT32 cur_time)
1.1 root 13546: {
1.1.1.8 root 13547: if(pit[ch].expired_time != 0 && cur_time >= pit[ch].expired_time) {
1.1 root 13548: pit[ch].count = PIT_COUNT_VALUE(ch);
1.1.1.8 root 13549: pit[ch].prev_time = pit[ch].expired_time;
13550: pit[ch].expired_time = pit[ch].prev_time + pit_get_expired_time(ch);
13551: if(cur_time >= pit[ch].expired_time) {
13552: pit[ch].prev_time = cur_time;
13553: pit[ch].expired_time = pit[ch].prev_time + pit_get_expired_time(ch);
1.1 root 13554: }
1.1.1.8 root 13555: return(1);
1.1 root 13556: }
1.1.1.8 root 13557: return(0);
1.1 root 13558: }
13559:
13560: void pit_latch_count(int ch)
13561: {
1.1.1.8 root 13562: if(pit[ch].expired_time != 0) {
1.1.1.26 root 13563: UINT32 cur_time = timeGetTime();
1.1.1.8 root 13564: pit_run(ch, cur_time);
13565: UINT32 tmp = (pit[ch].count * (pit[ch].expired_time - cur_time)) / (pit[ch].expired_time - pit[ch].prev_time);
1.1.1.26 root 13566: UINT16 latch = (tmp != 0) ? (UINT16)tmp : 1;
13567:
13568: if(pit[ch].prev_latch == latch && pit[ch].expired_time > cur_time) {
13569: // decrement counter in 1msec period
13570: if(pit[ch].next_latch == 0) {
13571: tmp = (pit[ch].count * (pit[ch].expired_time - cur_time - 1)) / (pit[ch].expired_time - pit[ch].prev_time);
13572: pit[ch].next_latch = (tmp != 0) ? (UINT16)tmp : 1;
13573: }
13574: if(pit[ch].latch > pit[ch].next_latch) {
13575: pit[ch].latch--;
13576: }
13577: } else {
13578: pit[ch].prev_latch = pit[ch].latch = latch;
13579: pit[ch].next_latch = 0;
13580: }
1.1.1.8 root 13581: } else {
13582: pit[ch].latch = (UINT16)pit[ch].count;
1.1.1.26 root 13583: pit[ch].prev_latch = pit[ch].next_latch = 0;
1.1 root 13584: }
13585: pit[ch].count_latched = 1;
13586: if((pit[ch].ctrl_reg & 0x30) == 0x10) {
13587: // lower byte
13588: pit[ch].low_read = 1;
13589: pit[ch].high_read = 0;
13590: } else if((pit[ch].ctrl_reg & 0x30) == 0x20) {
13591: // upper byte
13592: pit[ch].low_read = 0;
13593: pit[ch].high_read = 1;
13594: } else {
13595: // lower -> upper
1.1.1.14 root 13596: pit[ch].low_read = pit[ch].high_read = 1;
1.1 root 13597: }
13598: }
13599:
1.1.1.8 root 13600: int pit_get_expired_time(int ch)
1.1 root 13601: {
1.1.1.22 root 13602: pit[ch].accum += 1024ULL * 1000ULL * (UINT64)pit[ch].count / PIT_FREQ;
13603: UINT64 val = pit[ch].accum >> 10;
13604: pit[ch].accum -= val << 10;
13605: return((val != 0) ? val : 1);
1.1.1.8 root 13606: }
13607:
1.1.1.25 root 13608: // sio
13609:
13610: void sio_init()
13611: {
1.1.1.26 root 13612: memset(sio, 0, sizeof(sio));
13613: memset(sio_mt, 0, sizeof(sio_mt));
13614:
1.1.1.29 root 13615: for(int c = 0; c < 4; c++) {
1.1.1.25 root 13616: sio[c].send_buffer = new FIFO(SIO_BUFFER_SIZE);
13617: sio[c].recv_buffer = new FIFO(SIO_BUFFER_SIZE);
13618:
13619: sio[c].divisor.w = 12; // 115200Hz / 9600Baud
13620: sio[c].line_ctrl = 0x03; // 8bit, stop 1bit, non parity
1.1.1.26 root 13621: sio[c].modem_ctrl = 0x03; // rts=on, dtr=on
13622: sio[c].set_rts = sio[c].set_dtr = true;
1.1.1.25 root 13623: sio[c].line_stat_buf = 0x60; // send/recv buffers are empty
13624: sio[c].irq_identify = 0x01; // no pending irq
13625:
13626: InitializeCriticalSection(&sio_mt[c].csSendData);
13627: InitializeCriticalSection(&sio_mt[c].csRecvData);
13628: InitializeCriticalSection(&sio_mt[c].csLineCtrl);
13629: InitializeCriticalSection(&sio_mt[c].csLineStat);
13630: InitializeCriticalSection(&sio_mt[c].csModemCtrl);
13631: InitializeCriticalSection(&sio_mt[c].csModemStat);
13632:
1.1.1.26 root 13633: if(sio_port_number[c] != 0) {
1.1.1.25 root 13634: sio[c].channel = c;
13635: sio_mt[c].hThread = CreateThread(NULL, 0, sio_thread, &sio[c], 0, NULL);
13636: }
13637: }
13638: }
13639:
13640: void sio_finish()
13641: {
1.1.1.29 root 13642: for(int c = 0; c < 4; c++) {
1.1.1.25 root 13643: if(sio_mt[c].hThread != NULL) {
13644: WaitForSingleObject(sio_mt[c].hThread, INFINITE);
13645: CloseHandle(sio_mt[c].hThread);
1.1.1.28 root 13646: sio_mt[c].hThread = NULL;
1.1.1.25 root 13647: }
13648: DeleteCriticalSection(&sio_mt[c].csSendData);
13649: DeleteCriticalSection(&sio_mt[c].csRecvData);
13650: DeleteCriticalSection(&sio_mt[c].csLineCtrl);
13651: DeleteCriticalSection(&sio_mt[c].csLineStat);
13652: DeleteCriticalSection(&sio_mt[c].csModemCtrl);
13653: DeleteCriticalSection(&sio_mt[c].csModemStat);
1.1.1.28 root 13654: }
13655: sio_release();
13656: }
13657:
13658: void sio_release()
13659: {
1.1.1.29 root 13660: for(int c = 0; c < 4; c++) {
1.1.1.28 root 13661: // sio_thread() may access the resources :-(
13662: if(sio_mt[c].hThread == NULL) {
13663: if(sio[c].send_buffer != NULL) {
13664: sio[c].send_buffer->release();
13665: delete sio[c].send_buffer;
13666: sio[c].send_buffer = NULL;
13667: }
13668: if(sio[c].recv_buffer != NULL) {
13669: sio[c].recv_buffer->release();
13670: delete sio[c].recv_buffer;
13671: sio[c].recv_buffer = NULL;
13672: }
13673: }
1.1.1.25 root 13674: }
13675: }
13676:
13677: void sio_write(int c, UINT32 addr, UINT8 data)
13678: {
13679: switch(addr & 7) {
13680: case 0:
13681: if(sio[c].selector & 0x80) {
13682: if(sio[c].divisor.b.l != data) {
13683: EnterCriticalSection(&sio_mt[c].csLineCtrl);
13684: sio[c].divisor.b.l = data;
13685: LeaveCriticalSection(&sio_mt[c].csLineCtrl);
13686: }
13687: } else {
13688: EnterCriticalSection(&sio_mt[c].csSendData);
13689: sio[c].send_buffer->write(data);
13690: // transmitter holding/shift registers are not empty
13691: sio[c].line_stat_buf &= ~0x60;
13692: LeaveCriticalSection(&sio_mt[c].csSendData);
13693:
13694: if(sio[c].irq_enable & 0x02) {
13695: sio_update_irq(c);
13696: }
13697: }
13698: break;
13699: case 1:
13700: if(sio[c].selector & 0x80) {
13701: if(sio[c].divisor.b.h != data) {
13702: EnterCriticalSection(&sio_mt[c].csLineCtrl);
13703: sio[c].divisor.b.h = data;
13704: LeaveCriticalSection(&sio_mt[c].csLineCtrl);
13705: }
13706: } else {
13707: if(sio[c].irq_enable != data) {
13708: sio[c].irq_enable = data;
13709: sio_update_irq(c);
13710: }
13711: }
13712: break;
13713: case 3:
13714: {
13715: UINT8 line_ctrl = data & 0x3f;
13716: bool set_brk = ((data & 0x40) != 0);
13717:
13718: if(sio[c].line_ctrl != line_ctrl) {
13719: EnterCriticalSection(&sio_mt[c].csLineCtrl);
13720: sio[c].line_ctrl = line_ctrl;
13721: LeaveCriticalSection(&sio_mt[c].csLineCtrl);
13722: }
13723: if(sio[c].set_brk != set_brk) {
13724: EnterCriticalSection(&sio_mt[c].csModemCtrl);
13725: sio[c].set_brk = set_brk;
13726: LeaveCriticalSection(&sio_mt[c].csModemCtrl);
13727: }
13728: }
13729: sio[c].selector = data;
13730: break;
13731: case 4:
13732: {
13733: bool set_dtr = ((data & 0x01) != 0);
13734: bool set_rts = ((data & 0x02) != 0);
13735:
13736: if(sio[c].set_dtr != set_dtr || sio[c].set_rts != set_rts) {
1.1.1.26 root 13737: // EnterCriticalSection(&sio_mt[c].csModemCtrl);
1.1.1.25 root 13738: sio[c].set_dtr = set_dtr;
13739: sio[c].set_rts = set_rts;
1.1.1.26 root 13740: // LeaveCriticalSection(&sio_mt[c].csModemCtrl);
13741:
13742: bool state_changed = false;
13743:
13744: EnterCriticalSection(&sio_mt[c].csModemStat);
13745: if(set_dtr) {
13746: sio[c].modem_stat |= 0x20; // dsr on
13747: } else {
13748: sio[c].modem_stat &= ~0x20; // dsr off
13749: }
13750: if(set_rts) {
13751: sio[c].modem_stat |= 0x10; // cts on
13752: } else {
13753: sio[c].modem_stat &= ~0x10; // cts off
13754: }
13755: if((sio[c].prev_modem_stat & 0x20) != (sio[c].modem_stat & 0x20)) {
13756: if(!(sio[c].modem_stat & 0x02)) {
13757: if(sio[c].irq_enable & 0x08) {
13758: state_changed = true;
13759: }
13760: sio[c].modem_stat |= 0x02;
13761: }
13762: }
13763: if((sio[c].prev_modem_stat & 0x10) != (sio[c].modem_stat & 0x10)) {
13764: if(!(sio[c].modem_stat & 0x01)) {
13765: if(sio[c].irq_enable & 0x08) {
13766: state_changed = true;
13767: }
13768: sio[c].modem_stat |= 0x01;
13769: }
13770: }
13771: LeaveCriticalSection(&sio_mt[c].csModemStat);
13772:
13773: if(state_changed) {
13774: sio_update_irq(c);
13775: }
1.1.1.25 root 13776: }
13777: }
13778: sio[c].modem_ctrl = data;
13779: break;
13780: case 7:
13781: sio[c].scratch = data;
13782: break;
13783: }
13784: }
13785:
13786: UINT8 sio_read(int c, UINT32 addr)
13787: {
13788: switch(addr & 7) {
13789: case 0:
13790: if(sio[c].selector & 0x80) {
13791: return(sio[c].divisor.b.l);
13792: } else {
13793: EnterCriticalSection(&sio_mt[c].csRecvData);
13794: UINT8 data = sio[c].recv_buffer->read();
13795: // data is not ready
13796: sio[c].line_stat_buf &= ~0x01;
13797: LeaveCriticalSection(&sio_mt[c].csRecvData);
13798:
13799: if(sio[c].irq_enable & 0x01) {
13800: sio_update_irq(c);
13801: }
13802: return(data);
13803: }
13804: case 1:
13805: if(sio[c].selector & 0x80) {
13806: return(sio[c].divisor.b.h);
13807: } else {
13808: return(sio[c].irq_enable);
13809: }
13810: case 2:
13811: return(sio[c].irq_identify);
13812: case 3:
13813: return(sio[c].selector);
13814: case 4:
13815: return(sio[c].modem_ctrl);
13816: case 5:
13817: {
13818: EnterCriticalSection(&sio_mt[c].csLineStat);
13819: UINT8 val = sio[c].line_stat_err | sio[c].line_stat_buf;
13820: sio[c].line_stat_err = 0x00;
13821: LeaveCriticalSection(&sio_mt[c].csLineStat);
13822:
13823: bool state_changed = false;
13824:
13825: if((sio[c].line_stat_buf & 0x60) == 0x00) {
13826: EnterCriticalSection(&sio_mt[c].csSendData);
13827: if(!sio[c].send_buffer->full()) {
13828: // transmitter holding register will be empty first
13829: if(sio[c].irq_enable & 0x02) {
13830: state_changed = true;
13831: }
13832: sio[c].line_stat_buf |= 0x20;
13833: }
13834: LeaveCriticalSection(&sio_mt[c].csSendData);
13835: } else if((sio[c].line_stat_buf & 0x60) == 0x20) {
13836: // transmitter shift register will be empty later
13837: sio[c].line_stat_buf |= 0x40;
13838: }
13839: if(!(sio[c].line_stat_buf & 0x01)) {
13840: EnterCriticalSection(&sio_mt[c].csRecvData);
13841: if(!sio[c].recv_buffer->empty()) {
13842: // data is ready
13843: if(sio[c].irq_enable & 0x01) {
13844: state_changed = true;
13845: }
13846: sio[c].line_stat_buf |= 0x01;
13847: }
13848: LeaveCriticalSection(&sio_mt[c].csRecvData);
13849: }
13850: if(state_changed) {
13851: sio_update_irq(c);
13852: }
13853: return(val);
13854: }
13855: case 6:
13856: {
13857: EnterCriticalSection(&sio_mt[c].csModemStat);
13858: UINT8 val = sio[c].modem_stat;
13859: sio[c].modem_stat &= 0xf0;
13860: sio[c].prev_modem_stat = sio[c].modem_stat;
13861: LeaveCriticalSection(&sio_mt[c].csModemStat);
13862:
13863: if(sio[c].modem_ctrl & 0x10) {
13864: // loop-back
13865: val &= 0x0f;
13866: val |= (sio[c].modem_ctrl & 0x0c) << 4;
13867: val |= (sio[c].modem_ctrl & 0x01) << 5;
13868: val |= (sio[c].modem_ctrl & 0x02) << 3;
13869: }
13870: return(val);
13871: }
13872: case 7:
13873: return(sio[c].scratch);
13874: }
13875: return(0xff);
13876: }
13877:
13878: void sio_update(int c)
13879: {
13880: if((sio[c].line_stat_buf & 0x60) == 0x00) {
13881: EnterCriticalSection(&sio_mt[c].csSendData);
13882: if(!sio[c].send_buffer->full()) {
13883: // transmitter holding/shift registers will be empty
13884: sio[c].line_stat_buf |= 0x60;
13885: }
13886: LeaveCriticalSection(&sio_mt[c].csSendData);
13887: } else if((sio[c].line_stat_buf & 0x60) == 0x20) {
13888: // transmitter shift register will be empty
13889: sio[c].line_stat_buf |= 0x40;
13890: }
13891: if(!(sio[c].line_stat_buf & 0x01)) {
13892: EnterCriticalSection(&sio_mt[c].csRecvData);
13893: if(!sio[c].recv_buffer->empty()) {
13894: // data is ready
13895: sio[c].line_stat_buf |= 0x01;
13896: }
13897: LeaveCriticalSection(&sio_mt[c].csRecvData);
13898: }
13899: sio_update_irq(c);
13900: }
13901:
13902: void sio_update_irq(int c)
13903: {
13904: int level = -1;
13905:
13906: if(sio[c].irq_enable & 0x08) {
13907: EnterCriticalSection(&sio_mt[c].csModemStat);
13908: if((sio[c].modem_stat & 0x0f) != 0) {
13909: level = 0;
13910: }
13911: EnterCriticalSection(&sio_mt[c].csModemStat);
13912: }
13913: if(sio[c].irq_enable & 0x02) {
13914: if(sio[c].line_stat_buf & 0x20) {
13915: level = 1;
13916: }
13917: }
13918: if(sio[c].irq_enable & 0x01) {
13919: if(sio[c].line_stat_buf & 0x01) {
13920: level = 2;
13921: }
13922: }
13923: if(sio[c].irq_enable & 0x04) {
13924: EnterCriticalSection(&sio_mt[c].csLineStat);
13925: if(sio[c].line_stat_err != 0) {
13926: level = 3;
13927: }
13928: LeaveCriticalSection(&sio_mt[c].csLineStat);
13929: }
1.1.1.29 root 13930:
13931: // COM1 and COM3 shares IRQ4, COM2 and COM4 shares IRQ3
1.1.1.25 root 13932: if(level != -1) {
13933: sio[c].irq_identify = level << 1;
1.1.1.29 root 13934: pic_req(0, (c == 0 || c == 2) ? 4 : 3, 1);
1.1.1.25 root 13935: } else {
13936: sio[c].irq_identify = 1;
1.1.1.29 root 13937: pic_req(0, (c == 0 || c == 2) ? 4 : 3, 0);
1.1.1.25 root 13938: }
13939: }
13940:
13941: DWORD WINAPI sio_thread(void *lpx)
13942: {
13943: volatile sio_t *p = (sio_t *)lpx;
13944: sio_mt_t *q = &sio_mt[p->channel];
13945:
13946: char name[] = "COM1";
1.1.1.26 root 13947: name[3] = '0' + sio_port_number[p->channel];
13948: HANDLE hComm = NULL;
13949: COMMPROP commProp;
13950: DCB dcb;
13951: DWORD dwSettableBaud = 0xffb; // 75, 110, 150, 300, 600, 1200, 1800, 2400, 4800, 7200, and 9600bps
13952: BYTE bytBuffer[SIO_BUFFER_SIZE];
13953:
13954: if((hComm = CreateFile(name, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL)) != INVALID_HANDLE_VALUE) {
13955: if(GetCommProperties(hComm, &commProp)) {
13956: dwSettableBaud = commProp.dwSettableBaud;
13957: }
1.1.1.25 root 13958: EscapeCommFunction(hComm, CLRBREAK);
1.1.1.26 root 13959: // EscapeCommFunction(hComm, SETRTS);
13960: // EscapeCommFunction(hComm, SETDTR);
1.1.1.25 root 13961:
13962: while(!m_halted) {
13963: // setup comm port
13964: bool comm_state_changed = false;
13965:
13966: EnterCriticalSection(&q->csLineCtrl);
13967: if((p->prev_divisor != p->divisor.w || p->prev_line_ctrl != p->line_ctrl) && p->divisor.w != 0) {
13968: p->prev_divisor = p->divisor.w;
13969: p->prev_line_ctrl = p->line_ctrl;
13970: comm_state_changed = true;
13971: }
13972: LeaveCriticalSection(&q->csLineCtrl);
13973:
13974: if(comm_state_changed) {
1.1.1.26 root 13975: if(GetCommState(hComm, &dcb)) {
13976: // dcb.BaudRate = min(9600, 115200 / p->prev_divisor);
13977: DWORD baud = 115200 / p->prev_divisor;
13978: dcb.BaudRate = 9600; // default
13979:
13980: if((dwSettableBaud & BAUD_075 ) && baud >= 75 ) dcb.BaudRate = 75;
13981: if((dwSettableBaud & BAUD_110 ) && baud >= 110 ) dcb.BaudRate = 110;
13982: // 134.5bps is not supported ???
13983: // if((dwSettableBaud & BAUD_134_5) && baud >= 134.5) dcb.BaudRate = 134.5;
13984: if((dwSettableBaud & BAUD_150 ) && baud >= 150 ) dcb.BaudRate = 150;
13985: if((dwSettableBaud & BAUD_300 ) && baud >= 300 ) dcb.BaudRate = 300;
13986: if((dwSettableBaud & BAUD_600 ) && baud >= 600 ) dcb.BaudRate = 600;
13987: if((dwSettableBaud & BAUD_1200 ) && baud >= 1200 ) dcb.BaudRate = 1200;
13988: if((dwSettableBaud & BAUD_1800 ) && baud >= 1800 ) dcb.BaudRate = 1800;
13989: if((dwSettableBaud & BAUD_2400 ) && baud >= 2400 ) dcb.BaudRate = 2400;
13990: if((dwSettableBaud & BAUD_4800 ) && baud >= 4800 ) dcb.BaudRate = 4800;
13991: if((dwSettableBaud & BAUD_7200 ) && baud >= 7200 ) dcb.BaudRate = 7200;
13992: if((dwSettableBaud & BAUD_9600 ) && baud >= 9600 ) dcb.BaudRate = 9600;
13993: // if((dwSettableBaud & BAUD_14400) && baud >= 14400) dcb.BaudRate = 14400;
13994: // if((dwSettableBaud & BAUD_19200) && baud >= 19200) dcb.BaudRate = 19200;
13995: // if((dwSettableBaud & BAUD_38400) && baud >= 38400) dcb.BaudRate = 38400;
13996:
13997: switch(p->prev_line_ctrl & 0x03) {
13998: case 0x00: dcb.ByteSize = 5; break;
13999: case 0x01: dcb.ByteSize = 6; break;
14000: case 0x02: dcb.ByteSize = 7; break;
14001: case 0x03: dcb.ByteSize = 8; break;
14002: }
14003: switch(p->prev_line_ctrl & 0x04) {
14004: case 0x00: dcb.StopBits = ONESTOPBIT; break;
14005: case 0x04: dcb.StopBits = (dcb.ByteSize == 5) ? ONE5STOPBITS : TWOSTOPBITS; break;
14006: }
14007: switch(p->prev_line_ctrl & 0x38) {
14008: case 0x08: dcb.Parity = ODDPARITY; break;
14009: case 0x18: dcb.Parity = EVENPARITY; break;
14010: case 0x28: dcb.Parity = MARKPARITY; break;
14011: case 0x38: dcb.Parity = SPACEPARITY; break;
14012: default: dcb.Parity = NOPARITY; break;
14013: }
14014: dcb.fBinary = TRUE;
14015: dcb.fParity = (dcb.Parity != NOPARITY);
14016: dcb.fOutxCtsFlow = dcb.fOutxDsrFlow = TRUE;
14017: dcb.fDtrControl = DTR_CONTROL_HANDSHAKE;
14018: dcb.fDsrSensitivity = FALSE;//TRUE;
14019: dcb.fTXContinueOnXoff = TRUE;
14020: dcb.fOutX = dcb.fInX = FALSE;
14021: dcb.fErrorChar = FALSE;
14022: dcb.fNull = FALSE;
14023: dcb.fRtsControl = RTS_CONTROL_HANDSHAKE;
14024: dcb.fAbortOnError = FALSE;
14025:
14026: SetCommState(hComm, &dcb);
1.1.1.25 root 14027: }
14028:
14029: // check again to apply all comm state changes
14030: Sleep(10);
14031: continue;
14032: }
14033:
14034: // set comm pins
14035: bool change_brk = false;
1.1.1.26 root 14036: // bool change_rts = false;
14037: // bool change_dtr = false;
1.1.1.25 root 14038:
14039: EnterCriticalSection(&q->csModemCtrl);
14040: if(p->prev_set_brk != p->set_brk) {
14041: p->prev_set_brk = p->set_brk;
14042: change_brk = true;
14043: }
1.1.1.26 root 14044: // if(p->prev_set_rts != p->set_rts) {
14045: // p->prev_set_rts = p->set_rts;
14046: // change_rts = true;
14047: // }
14048: // if(p->prev_set_dtr != p->set_dtr) {
14049: // p->prev_set_dtr = p->set_dtr;
14050: // change_dtr = true;
14051: // }
1.1.1.25 root 14052: LeaveCriticalSection(&q->csModemCtrl);
14053:
14054: if(change_brk) {
1.1.1.26 root 14055: static UINT32 clear_time = 0;
14056: if(p->prev_set_brk) {
14057: EscapeCommFunction(hComm, SETBREAK);
14058: clear_time = timeGetTime() + 200;
14059: } else {
14060: // keep break for at least 200msec
14061: UINT32 cur_time = timeGetTime();
14062: if(clear_time > cur_time) {
14063: Sleep(clear_time - cur_time);
14064: }
14065: EscapeCommFunction(hComm, CLRBREAK);
14066: }
1.1.1.25 root 14067: }
1.1.1.26 root 14068: // if(change_rts) {
14069: // if(p->prev_set_rts) {
14070: // EscapeCommFunction(hComm, SETRTS);
14071: // } else {
14072: // EscapeCommFunction(hComm, CLRRTS);
14073: // }
14074: // }
14075: // if(change_dtr) {
14076: // if(p->prev_set_dtr) {
14077: // EscapeCommFunction(hComm, SETDTR);
14078: // } else {
14079: // EscapeCommFunction(hComm, CLRDTR);
14080: // }
14081: // }
1.1.1.25 root 14082:
14083: // get comm pins
14084: DWORD dwModemStat = 0;
14085:
14086: if(GetCommModemStatus(hComm, &dwModemStat)) {
14087: EnterCriticalSection(&q->csModemStat);
14088: if(dwModemStat & MS_RLSD_ON) {
14089: p->modem_stat |= 0x80;
14090: } else {
14091: p->modem_stat &= ~0x80;
14092: }
14093: if(dwModemStat & MS_RING_ON) {
14094: p->modem_stat |= 0x40;
14095: } else {
14096: p->modem_stat &= ~0x40;
14097: }
1.1.1.26 root 14098: // if(dwModemStat & MS_DSR_ON) {
14099: // p->modem_stat |= 0x20;
14100: // } else {
14101: // p->modem_stat &= ~0x20;
14102: // }
14103: // if(dwModemStat & MS_CTS_ON) {
14104: // p->modem_stat |= 0x10;
14105: // } else {
14106: // p->modem_stat &= ~0x10;
14107: // }
1.1.1.25 root 14108: if((p->prev_modem_stat & 0x80) != (p->modem_stat & 0x80)) {
14109: p->modem_stat |= 0x08;
14110: }
14111: if((p->prev_modem_stat & 0x40) && !(p->modem_stat & 0x40)) {
14112: p->modem_stat |= 0x04;
14113: }
1.1.1.26 root 14114: // if((p->prev_modem_stat & 0x20) != (p->modem_stat & 0x20)) {
14115: // p->modem_stat |= 0x02;
14116: // }
14117: // if((p->prev_modem_stat & 0x10) != (p->modem_stat & 0x10)) {
14118: // p->modem_stat |= 0x01;
14119: // }
1.1.1.25 root 14120: LeaveCriticalSection(&q->csModemStat);
14121: }
14122:
14123: // send data
14124: DWORD dwSend = 0;
14125:
14126: EnterCriticalSection(&q->csSendData);
14127: while(!p->send_buffer->empty()) {
14128: bytBuffer[dwSend++] = p->send_buffer->read();
14129: }
14130: LeaveCriticalSection(&q->csSendData);
14131:
14132: if(dwSend != 0) {
14133: DWORD dwWritten = 0;
14134: WriteFile(hComm, bytBuffer, dwSend, &dwWritten, NULL);
14135: }
14136:
14137: // get line status and recv data
14138: DWORD dwLineStat = 0;
14139: COMSTAT comStat;
14140:
14141: if(ClearCommError(hComm, &dwLineStat, &comStat)) {
14142: EnterCriticalSection(&q->csLineStat);
14143: if(dwLineStat & CE_BREAK) {
14144: p->line_stat_err |= 0x10;
14145: }
14146: if(dwLineStat & CE_FRAME) {
14147: p->line_stat_err |= 0x08;
14148: }
14149: if(dwLineStat & CE_RXPARITY) {
14150: p->line_stat_err |= 0x04;
14151: }
14152: if(dwLineStat & CE_OVERRUN) {
14153: p->line_stat_err |= 0x02;
14154: }
14155: LeaveCriticalSection(&q->csLineStat);
14156:
14157: if(comStat.cbInQue != 0) {
14158: EnterCriticalSection(&q->csRecvData);
14159: DWORD dwRecv = min(comStat.cbInQue, p->recv_buffer->remain());
14160: LeaveCriticalSection(&q->csRecvData);
14161:
14162: if(dwRecv != 0) {
14163: DWORD dwRead = 0;
14164: if(ReadFile(hComm, bytBuffer, dwRecv, &dwRead, NULL) && dwRead != 0) {
14165: EnterCriticalSection(&q->csRecvData);
14166: for(int i = 0; i < dwRead; i++) {
14167: p->recv_buffer->write(bytBuffer[i]);
14168: }
14169: LeaveCriticalSection(&q->csRecvData);
14170: }
14171: }
14172: }
14173: }
14174: Sleep(10);
14175: }
14176: CloseHandle(hComm);
14177: }
14178: return 0;
14179: }
14180:
1.1.1.8 root 14181: // cmos
14182:
14183: void cmos_init()
14184: {
14185: memset(cmos, 0, sizeof(cmos));
14186: cmos_addr = 0;
1.1 root 14187:
1.1.1.8 root 14188: // from DOSBox
14189: cmos_write(0x0a, 0x26);
14190: cmos_write(0x0b, 0x02);
14191: cmos_write(0x0d, 0x80);
1.1 root 14192: }
14193:
1.1.1.8 root 14194: void cmos_write(int addr, UINT8 val)
1.1 root 14195: {
1.1.1.8 root 14196: cmos[addr & 0x7f] = val;
14197: }
14198:
14199: #define CMOS_GET_TIME() { \
14200: UINT32 cur_sec = timeGetTime() / 1000 ; \
14201: if(prev_sec != cur_sec) { \
14202: GetLocalTime(&time); \
14203: prev_sec = cur_sec; \
14204: } \
1.1 root 14205: }
1.1.1.8 root 14206: #define CMOS_BCD(v) ((cmos[0x0b] & 4) ? (v) : to_bcd(v))
1.1 root 14207:
1.1.1.8 root 14208: UINT8 cmos_read(int addr)
1.1 root 14209: {
1.1.1.8 root 14210: static SYSTEMTIME time;
14211: static UINT32 prev_sec = 0;
1.1 root 14212:
1.1.1.8 root 14213: switch(addr & 0x7f) {
14214: case 0x00: CMOS_GET_TIME(); return(CMOS_BCD(time.wSecond));
14215: case 0x02: CMOS_GET_TIME(); return(CMOS_BCD(time.wMinute));
14216: case 0x04: CMOS_GET_TIME(); return(CMOS_BCD(time.wHour));
14217: case 0x06: CMOS_GET_TIME(); return(time.wDayOfWeek + 1);
14218: case 0x07: CMOS_GET_TIME(); return(CMOS_BCD(time.wDay));
14219: case 0x08: CMOS_GET_TIME(); return(CMOS_BCD(time.wMonth));
14220: case 0x09: CMOS_GET_TIME(); return(CMOS_BCD(time.wYear));
14221: // case 0x0a: return((cmos[0x0a] & 0x7f) | ((timeGetTime() % 1000) < 2 ? 0x80 : 0)); // 2msec
14222: case 0x0a: return((cmos[0x0a] & 0x7f) | ((timeGetTime() % 1000) < 20 ? 0x80 : 0)); // precision of timeGetTime() may not be 1msec
14223: case 0x15: return((MEMORY_END >> 10) & 0xff);
14224: case 0x16: return((MEMORY_END >> 18) & 0xff);
14225: case 0x17: return(((MAX_MEM - 0x100000) >> 10) & 0xff);
14226: case 0x18: return(((MAX_MEM - 0x100000) >> 18) & 0xff);
14227: case 0x30: return(((MAX_MEM - 0x100000) >> 10) & 0xff);
14228: case 0x31: return(((MAX_MEM - 0x100000) >> 18) & 0xff);
14229: case 0x32: CMOS_GET_TIME(); return(CMOS_BCD(time.wYear / 100));
1.1 root 14230: }
1.1.1.8 root 14231: return(cmos[addr & 0x7f]);
1.1 root 14232: }
14233:
1.1.1.7 root 14234: // kbd (a20)
14235:
14236: void kbd_init()
14237: {
1.1.1.8 root 14238: kbd_data = kbd_command = 0;
1.1.1.7 root 14239: kbd_status = 0x18;
14240: }
14241:
14242: UINT8 kbd_read_data()
14243: {
1.1.1.8 root 14244: kbd_status &= ~1;
1.1.1.7 root 14245: return(kbd_data);
14246: }
14247:
14248: void kbd_write_data(UINT8 val)
14249: {
14250: switch(kbd_command) {
14251: case 0xd1:
14252: i386_set_a20_line((val >> 1) & 1);
14253: break;
14254: }
14255: kbd_command = 0;
1.1.1.8 root 14256: kbd_status &= ~8;
1.1.1.7 root 14257: }
14258:
14259: UINT8 kbd_read_status()
14260: {
14261: return(kbd_status);
14262: }
14263:
14264: void kbd_write_command(UINT8 val)
14265: {
14266: switch(val) {
14267: case 0xd0:
14268: kbd_data = ((m_a20_mask >> 19) & 2) | 1;
1.1.1.8 root 14269: kbd_status |= 1;
1.1.1.7 root 14270: break;
14271: case 0xdd:
14272: i386_set_a20_line(0);
14273: break;
14274: case 0xdf:
14275: i386_set_a20_line(1);
14276: break;
1.1.1.26 root 14277: case 0xf0: case 0xf1: case 0xf2: case 0xf3: case 0xf4: case 0xf5: case 0xf6: case 0xf7:
14278: case 0xf8: case 0xf9: case 0xfa: case 0xfb: case 0xfc: case 0xfd: case 0xfe: case 0xff:
1.1.1.7 root 14279: if(!(val & 1)) {
1.1.1.8 root 14280: if((cmos[0x0f] & 0x7f) == 5) {
1.1.1.7 root 14281: // reset pic
14282: pic_init();
14283: pic[0].irr = pic[1].irr = 0x00;
14284: pic[0].imr = pic[1].imr = 0xff;
14285: }
14286: CPU_RESET_CALL(CPU_MODEL);
14287: i386_jmp_far(0x40, 0x67);
14288: }
14289: i386_set_a20_line((val >> 1) & 1);
14290: break;
14291: }
14292: kbd_command = val;
1.1.1.8 root 14293: kbd_status |= 8;
1.1.1.7 root 14294: }
14295:
1.1.1.9 root 14296: // vga
14297:
14298: UINT8 vga_read_status()
14299: {
14300: // 60hz
14301: static const int period[3] = {16, 17, 17};
14302: static int index = 0;
14303: UINT32 time = timeGetTime() % period[index];
14304:
14305: index = (index + 1) % 3;
1.1.1.14 root 14306: return((time < 4 ? 0x08 : 0) | (time == 0 ? 0 : 0x01));
1.1.1.9 root 14307: }
14308:
1.1 root 14309: // i/o bus
14310:
1.1.1.29 root 14311: // this is ugly patch for SW1US.EXE, it sometimes mistakely read/write 01h-10h for serial I/O
14312: //#define SW1US_PATCH
14313:
1.1.1.25 root 14314: #ifdef ENABLE_DEBUG_IOPORT
14315: UINT8 read_io_byte_debug(offs_t addr);
14316:
14317: UINT8 read_io_byte(offs_t addr)
14318: {
14319: UINT8 val = read_io_byte_debug(addr);
14320: if(fdebug != NULL) {
14321: fprintf(fdebug, "inb %04X, %02X\n", addr, val);
14322: }
14323: return(val);
14324: }
14325:
14326: UINT8 read_io_byte_debug(offs_t addr)
14327: #else
1.1 root 14328: UINT8 read_io_byte(offs_t addr)
1.1.1.25 root 14329: #endif
1.1 root 14330: {
14331: switch(addr) {
1.1.1.29 root 14332: #ifdef SW1US_PATCH
14333: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07: case 0x08:
14334: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f: case 0x10:
14335: return(sio_read(0, addr - 1));
14336: #else
1.1.1.25 root 14337: case 0x00: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07:
14338: case 0x08: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f:
14339: return(dma_read(0, addr));
1.1.1.29 root 14340: #endif
1.1.1.25 root 14341: case 0x20: case 0x21:
1.1 root 14342: return(pic_read(0, addr));
1.1.1.25 root 14343: case 0x40: case 0x41: case 0x42: case 0x43:
1.1 root 14344: return(pit_read(addr & 0x03));
1.1.1.7 root 14345: case 0x60:
14346: return(kbd_read_data());
1.1.1.9 root 14347: case 0x61:
14348: return(system_port);
1.1.1.7 root 14349: case 0x64:
14350: return(kbd_read_status());
1.1 root 14351: case 0x71:
1.1.1.8 root 14352: return(cmos_read(cmos_addr));
1.1.1.25 root 14353: case 0x81:
14354: return(dma_page_read(0, 2));
14355: case 0x82:
14356: return(dma_page_read(0, 3));
14357: case 0x83:
14358: return(dma_page_read(0, 1));
14359: case 0x87:
14360: return(dma_page_read(0, 0));
14361: case 0x89:
14362: return(dma_page_read(1, 2));
14363: case 0x8a:
14364: return(dma_page_read(1, 3));
14365: case 0x8b:
14366: return(dma_page_read(1, 1));
14367: case 0x8f:
14368: return(dma_page_read(1, 0));
1.1 root 14369: case 0x92:
1.1.1.3 root 14370: return((m_a20_mask >> 19) & 2);
1.1.1.25 root 14371: case 0xa0: case 0xa1:
1.1 root 14372: return(pic_read(1, addr));
1.1.1.25 root 14373: case 0xc0: case 0xc2: case 0xc4: case 0xc6: case 0xc8: case 0xca: case 0xcc: case 0xce:
14374: case 0xd0: case 0xd2: case 0xd4: case 0xd6: case 0xd8: case 0xda: case 0xdc: case 0xde:
1.1.1.26 root 14375: return(dma_read(1, (addr - 0xc0) >> 1));
14376: // case 0x278: case 0x279: case 0x27a:
14377: // return(pio_read(1, addr));
1.1.1.29 root 14378: case 0x2e8: case 0x2e9: case 0x2ea: case 0x2eb: case 0x2ec: case 0x2ed: case 0x2ee: case 0x2ef:
14379: return(sio_read(3, addr));
1.1.1.25 root 14380: case 0x2f8: case 0x2f9: case 0x2fa: case 0x2fb: case 0x2fc: case 0x2fd: case 0x2fe: case 0x2ff:
14381: return(sio_read(1, addr));
14382: case 0x378: case 0x379: case 0x37a:
14383: return(pio_read(0, addr));
14384: case 0x3ba: case 0x3da:
1.1.1.9 root 14385: return(vga_read_status());
1.1.1.29 root 14386: case 0x3e8: case 0x3e9: case 0x3ea: case 0x3eb: case 0x3ec: case 0x3ed: case 0x3ee: case 0x3ef:
14387: return(sio_read(2, addr));
1.1.1.25 root 14388: case 0x3f8: case 0x3f9: case 0x3fa: case 0x3fb: case 0x3fc: case 0x3fd: case 0x3fe: case 0x3ff:
14389: return(sio_read(0, addr));
1.1 root 14390: default:
14391: // error("inb %4x\n", addr);
14392: break;
14393: }
14394: return(0xff);
14395: }
14396:
14397: UINT16 read_io_word(offs_t addr)
14398: {
14399: return(read_io_byte(addr) | (read_io_byte(addr + 1) << 8));
14400: }
14401:
14402: UINT32 read_io_dword(offs_t addr)
14403: {
14404: return(read_io_byte(addr) | (read_io_byte(addr + 1) << 8) | (read_io_byte(addr + 2) << 16) | (read_io_byte(addr + 3) << 24));
14405: }
14406:
14407: void write_io_byte(offs_t addr, UINT8 val)
14408: {
1.1.1.25 root 14409: #ifdef ENABLE_DEBUG_IOPORT
14410: if(fdebug != NULL) {
14411: fprintf(fdebug, "outb %04X, %02X\n", addr, val);
14412: }
14413: #endif
1.1 root 14414: switch(addr) {
1.1.1.29 root 14415: #ifdef SW1US_PATCH
14416: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07: case 0x08:
14417: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f: case 0x10:
14418: sio_write(0, addr - 1, val);
14419: break;
14420: #else
1.1.1.25 root 14421: case 0x00: case 0x01: case 0x02: case 0x03: case 0x04: case 0x05: case 0x06: case 0x07:
14422: case 0x08: case 0x09: case 0x0a: case 0x0b: case 0x0c: case 0x0d: case 0x0e: case 0x0f:
14423: dma_write(0, addr, val);
14424: break;
1.1.1.29 root 14425: #endif
1.1.1.25 root 14426: case 0x20: case 0x21:
1.1 root 14427: pic_write(0, addr, val);
14428: break;
1.1.1.25 root 14429: case 0x40: case 0x41: case 0x42: case 0x43:
1.1 root 14430: pit_write(addr & 0x03, val);
14431: break;
1.1.1.7 root 14432: case 0x60:
14433: kbd_write_data(val);
14434: break;
1.1.1.9 root 14435: case 0x61:
14436: if((system_port & 3) != 3 && (val & 3) == 3) {
14437: // beep on
14438: // MessageBeep(-1);
14439: } else if((system_port & 3) == 3 && (val & 3) != 3) {
14440: // beep off
14441: }
14442: system_port = val;
14443: break;
1.1 root 14444: case 0x64:
1.1.1.7 root 14445: kbd_write_command(val);
1.1 root 14446: break;
14447: case 0x70:
14448: cmos_addr = val;
14449: break;
14450: case 0x71:
1.1.1.8 root 14451: cmos_write(cmos_addr, val);
1.1 root 14452: break;
1.1.1.25 root 14453: case 0x81:
14454: dma_page_write(0, 2, val);
14455: case 0x82:
14456: dma_page_write(0, 3, val);
14457: case 0x83:
14458: dma_page_write(0, 1, val);
14459: case 0x87:
14460: dma_page_write(0, 0, val);
14461: case 0x89:
14462: dma_page_write(1, 2, val);
14463: case 0x8a:
14464: dma_page_write(1, 3, val);
14465: case 0x8b:
14466: dma_page_write(1, 1, val);
14467: case 0x8f:
14468: dma_page_write(1, 0, val);
1.1 root 14469: case 0x92:
1.1.1.7 root 14470: i386_set_a20_line((val >> 1) & 1);
1.1 root 14471: break;
1.1.1.25 root 14472: case 0xa0: case 0xa1:
1.1 root 14473: pic_write(1, addr, val);
14474: break;
1.1.1.25 root 14475: case 0xc0: case 0xc2: case 0xc4: case 0xc6: case 0xc8: case 0xca: case 0xcc: case 0xce:
14476: case 0xd0: case 0xd2: case 0xd4: case 0xd6: case 0xd8: case 0xda: case 0xdc: case 0xde:
1.1.1.26 root 14477: dma_write(1, (addr - 0xc0) >> 1, val);
1.1.1.25 root 14478: break;
1.1.1.26 root 14479: // case 0x278: case 0x279: case 0x27a:
14480: // pio_write(1, addr, val);
14481: // break;
1.1.1.29 root 14482: case 0x2e8: case 0x2e9: case 0x2ea: case 0x2eb: case 0x2ec: case 0x2ed: case 0x2ee: case 0x2ef:
14483: sio_write(3, addr, val);
14484: break;
1.1.1.25 root 14485: case 0x2f8: case 0x2f9: case 0x2fa: case 0x2fb: case 0x2fc: case 0x2fd: case 0x2fe: case 0x2ff:
14486: sio_write(1, addr, val);
14487: break;
14488: case 0x378: case 0x379: case 0x37a:
14489: pio_write(0, addr, val);
14490: break;
1.1.1.29 root 14491: case 0x3e8: case 0x3e9: case 0x3ea: case 0x3eb: case 0x3ec: case 0x3ed: case 0x3ee: case 0x3ef:
14492: sio_write(2, addr, val);
14493: break;
1.1.1.25 root 14494: case 0x3f8: case 0x3f9: case 0x3fa: case 0x3fb: case 0x3fc: case 0x3fd: case 0x3fe: case 0x3ff:
14495: sio_write(0, addr, val);
14496: break;
1.1 root 14497: default:
14498: // error("outb %4x,%2x\n", addr, val);
14499: break;
14500: }
14501: }
14502:
14503: void write_io_word(offs_t addr, UINT16 val)
14504: {
14505: write_io_byte(addr + 0, (val >> 0) & 0xff);
14506: write_io_byte(addr + 1, (val >> 8) & 0xff);
14507: }
14508:
14509: void write_io_dword(offs_t addr, UINT32 val)
14510: {
14511: write_io_byte(addr + 0, (val >> 0) & 0xff);
14512: write_io_byte(addr + 1, (val >> 8) & 0xff);
14513: write_io_byte(addr + 2, (val >> 16) & 0xff);
14514: write_io_byte(addr + 3, (val >> 24) & 0xff);
14515: }
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.