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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: #ifndef _MSDOS_H_
9: #define _MSDOS_H_
10:
1.1.1.12 root 11: #ifndef _WIN32_WINNT
12: #define _WIN32_WINNT 0x501
13: #endif
1.1 root 14: #include <windows.h>
15: #include <winioctl.h>
16: #include <tchar.h>
1.1.1.13 root 17: #include <stddef.h>
1.1 root 18: #include <stdlib.h>
19: #include <stdio.h>
1.1.1.2 root 20: #include <assert.h>
1.1 root 21: #include <conio.h>
1.1.1.2 root 22: #include <math.h>
1.1 root 23: #include <dos.h>
24: #include <fcntl.h>
25: #include <sys/types.h>
26: #include <sys/stat.h>
27: #include <io.h>
28: #include <sys/locking.h>
29: #include <mbctype.h>
30: #include <direct.h>
31: #include <errno.h>
1.1.1.9 root 32: #include <tlhelp32.h>
33: #include <psapi.h>
1.1.1.20 root 34: #include <setupapi.h>
1.1 root 35:
1.1.1.15 root 36: #ifdef _DEBUG
37: #define _CRTDBG_MAP_ALLOC
38: #include <crtdbg.h>
39: #define calloc(c, s) _calloc_dbg(c, s, _NORMAL_BLOCK, __FILE__, __LINE__)
40: #define malloc(s) _malloc_dbg(s, _NORMAL_BLOCK, __FILE__, __LINE__)
41: #define new new(_NORMAL_BLOCK, __FILE__, __LINE__)
42: #endif
43:
1.1.1.9 root 44: // variable scope of 'for' loop for Microsoft Visual C++ 6.0
45: #if defined(_MSC_VER) && (_MSC_VER == 1200)
1.1 root 46: #define for if(0);else for
47: #endif
1.1.1.9 root 48:
49: // disable warnings for Microsoft Visual C++ 2005 or later
1.1 root 50: #if defined(_MSC_VER) && (_MSC_VER >= 1400)
51: #pragma warning( disable : 4819 )
52: #pragma warning( disable : 4995 )
53: #pragma warning( disable : 4996 )
1.1.1.9 root 54: // for MAME i86/i386
55: #pragma warning( disable : 4018 )
56: #pragma warning( disable : 4065 )
57: #pragma warning( disable : 4146 )
58: #pragma warning( disable : 4244 )
59: #pragma warning( disable : 4267 )
60: #endif
61:
62: // endian
63: #if !defined(__LITTLE_ENDIAN__) && !defined(__BIG_ENDIAN__)
64: #if defined(__BYTE_ORDER) && (defined(__LITTLE_ENDIAN) || defined(__BIG_ENDIAN))
65: #if __BYTE_ORDER == __LITTLE_ENDIAN
66: #define __LITTLE_ENDIAN__
67: #elif __BYTE_ORDER == __BIG_ENDIAN
68: #define __BIG_ENDIAN__
69: #endif
70: #elif defined(WORDS_LITTLEENDIAN)
71: #define __LITTLE_ENDIAN__
72: #elif defined(WORDS_BIGENDIAN)
73: #define __BIG_ENDIAN__
74: #endif
75: #endif
76: #if !defined(__LITTLE_ENDIAN__) && !defined(__BIG_ENDIAN__)
77: // Microsoft Visual C++
78: #define __LITTLE_ENDIAN__
1.1 root 79: #endif
1.1.1.9 root 80:
1.1 root 81: // compat for mingw32 headers
82: #ifndef COMMON_LVB_UNDERSCORE
83: #define COMMON_LVB_UNDERSCORE 0x8000
84: #endif
85:
86: // type definition
87: #ifndef UINT8
88: typedef unsigned char UINT8;
89: #endif
90: #ifndef UINT16
91: typedef unsigned short UINT16;
92: #endif
93: #ifndef UINT32
94: typedef unsigned int UINT32;
95: #endif
96: #ifndef INT8
97: typedef signed char INT8;
98: #endif
99: #ifndef INT16
100: typedef signed short INT16;
101: #endif
102: #ifndef INT32
103: typedef signed int INT32;
104: #endif
105:
106: #pragma pack(1)
107: typedef union {
108: UINT32 dw;
109: struct {
1.1.1.9 root 110: #ifdef __BIG_ENDIAN__
111: UINT16 h, l;
112: #else
1.1 root 113: UINT16 l, h;
1.1.1.9 root 114: #endif
1.1 root 115: } w;
116: } PAIR32;
117: #pragma pack()
118:
119: /* ----------------------------------------------------------------------------
120: FIFO buffer
121: ---------------------------------------------------------------------------- */
122:
123: class FIFO
124: {
125: private:
1.1.1.20 root 126: int size;
127: int *buf;
1.1 root 128: int cnt, rpt, wpt, stored[3];
129: public:
1.1.1.20 root 130: FIFO(int s) {
131: size = s;
132: buf = (int *)malloc(size * sizeof(int));
1.1 root 133: cnt = rpt = wpt = 0;
134: }
1.1.1.20 root 135: void release()
136: {
137: free(buf);
138: }
1.1 root 139: void write(int val) {
1.1.1.20 root 140: if(cnt < size) {
1.1 root 141: buf[wpt++] = val;
1.1.1.20 root 142: if(wpt >= size) {
1.1 root 143: wpt = 0;
144: }
145: cnt++;
146: }
147: }
148: int read() {
149: int val = 0;
150: if(cnt) {
151: val = buf[rpt++];
1.1.1.20 root 152: if(rpt >= size) {
1.1 root 153: rpt = 0;
154: }
155: cnt--;
156: }
1.1.1.20 root 157: return(val);
1.1 root 158: }
159: int count() {
1.1.1.20 root 160: return(cnt);
161: }
162: int remain() {
163: return(size - cnt);
164: }
165: bool full()
166: {
167: return(cnt == size);
168: }
169: bool empty()
170: {
171: return(cnt == 0);
1.1 root 172: }
173: void store_buffer() {
174: stored[0] = cnt;
175: stored[1] = rpt;
176: stored[2] = wpt;
177: }
178: void restore_buffer() {
179: cnt = stored[0];
180: rpt = stored[1];
181: wpt = stored[2];
182: }
183: };
184:
185: /* ----------------------------------------------------------------------------
1.1.1.14 root 186: MAME i86/i386
187: ---------------------------------------------------------------------------- */
188:
189: #if defined(HAS_I86)
190: #define CPU_MODEL i8086
191: #elif defined(HAS_I186)
192: #define CPU_MODEL i80186
193: #elif defined(HAS_V30)
194: #define CPU_MODEL v30
195: #elif defined(HAS_I286)
196: #define CPU_MODEL i80286
197: #elif defined(HAS_I386)
198: #define CPU_MODEL i386
199: #else
200: // #if defined(HAS_I386SX)
201: // #define CPU_MODEL i386SX
202: // #else
203: #if defined(HAS_I486)
204: #define CPU_MODEL i486
205: #else
206: #if defined(HAS_PENTIUM)
207: #define CPU_MODEL pentium
208: #elif defined(HAS_MEDIAGX)
209: #define CPU_MODEL mediagx
210: #elif defined(HAS_PENTIUM_PRO)
211: #define CPU_MODEL pentium_pro
212: #elif defined(HAS_PENTIUM_MMX)
213: #define CPU_MODEL pentium_mmx
214: #elif defined(HAS_PENTIUM2)
215: #define CPU_MODEL pentium2
216: #elif defined(HAS_PENTIUM3)
217: #define CPU_MODEL pentium3
218: #elif defined(HAS_PENTIUM4)
219: #define CPU_MODEL pentium4
220: #endif
221: #define SUPPORT_RDTSC
222: #endif
223: #define SUPPORT_FPU
224: // #endif
225: #define HAS_I386
226: #endif
227:
228: /* ----------------------------------------------------------------------------
229: PC/AT hardware emulation
230: ---------------------------------------------------------------------------- */
231:
1.1.1.22! root 232: //#define SUPPORT_GRAPHIC_SCREEN
! 233:
1.1.1.14 root 234: void hardware_init();
235: void hardware_finish();
1.1.1.22! root 236: void hardware_release();
1.1.1.14 root 237: void hardware_run();
238: void hardware_update();
239:
240: // memory
241:
242: #if defined(HAS_I386)
243: #define MAX_MEM 0x2000000 /* 32MB */
244: #elif defined(HAS_I286)
245: #define MAX_MEM 0x1000000 /* 16MB */
246: #else
247: #define MAX_MEM 0x100000 /* 1MB */
248: #endif
249: UINT8 mem[MAX_MEM + 3];
250:
251: // ems
252:
253: #define MAX_EMS_HANDLES 16
254: #define MAX_EMS_PAGES 2048 /* 32MB */
255:
1.1.1.21 root 256: typedef struct {
1.1.1.14 root 257: char name[8];
258: UINT8* buffer;
259: int pages;
260: bool allocated;
1.1.1.21 root 261: } ems_handle_t;
1.1.1.14 root 262:
1.1.1.21 root 263: typedef struct {
1.1.1.14 root 264: UINT16 handle;
265: UINT16 page;
266: bool mapped;
1.1.1.21 root 267: } ems_page_t;
1.1.1.14 root 268:
1.1.1.22! root 269: ems_handle_t ems_handles[MAX_EMS_HANDLES] = {0};
1.1.1.21 root 270: ems_page_t ems_pages[4];
1.1.1.14 root 271: int free_ems_pages;
272:
273: void ems_init();
274: void ems_finish();
1.1.1.22! root 275: void ems_release();
1.1.1.14 root 276: void ems_allocate_pages(int handle, int pages);
277: void ems_reallocate_pages(int handle, int pages);
278: void ems_release_pages(int handle);
279: void ems_map_page(int physical, int handle, int logical);
280: void ems_unmap_page(int physical);
281:
282: // xms
283:
284: #if defined(HAS_I286) || defined(HAS_I386)
285: #define SUPPORT_XMS
286: #endif
287:
288: #ifdef SUPPORT_XMS
289: #define MAX_XMS_HANDLES 16
290: #define MAX_XMS_SIZE_KB 0x8000 // 32MB
291:
1.1.1.21 root 292: typedef struct {
1.1.1.14 root 293: int seg;
294: int size_kb;
295: int lock;
296: bool allocated;
1.1.1.21 root 297: } xms_handle_t;
1.1.1.16 root 298:
1.1.1.21 root 299: xms_handle_t xms_handles[MAX_XMS_HANDLES + 1];
300: int xms_a20_local_enb_count;
1.1.1.14 root 301: #endif
302:
1.1.1.20 root 303: // dma
304:
305: typedef struct {
306: struct {
307: union {
308: UINT16 w;
309: struct {
310: #ifdef __BIG_ENDIAN__
311: UINT8 h, l;
312: #else
313: UINT8 l, h;
314: #endif
315: } b;
316: } areg, creg, bareg, bcreg;
317: UINT8 mode;
318: UINT8 pagereg;
319: UINT32 port;
320: } ch[4];
321:
322: bool low_high;
323: UINT8 cmd;
324: UINT8 req;
325: UINT8 mask;
326: UINT8 tc;
327: UINT16 tmp;
328: } dma_t;
329:
1.1.1.21 root 330: dma_t dma[2];
1.1.1.20 root 331:
332: void dma_init();
333: void dma_reset(int c);
334: void dma_write(int c, UINT32 addr, UINT8 data);
335: UINT8 dma_read(int c, UINT32 addr);
336: void dma_page_write(int c, int ch, UINT8 data);
337: UINT8 dma_page_read(int c, int ch);
338: void dma_run(int c, int ch);
339:
1.1.1.14 root 340: // pic
341:
342: typedef struct {
343: UINT8 imr, isr, irr, prio;
344: UINT8 icw1, icw2, icw3, icw4;
345: UINT8 ocw3;
346: UINT8 icw2_r, icw3_r, icw4_r;
347: } pic_t;
348:
349: pic_t pic[2];
350: int pic_req_chip, pic_req_level;
351: UINT8 pic_req_bit;
352:
353: void pic_init();
354: void pic_write(int c, UINT32 addr, UINT8 data);
355: UINT8 pic_read(int c, UINT32 addr);
356: void pic_req(int c, int level, int signal);
357: int pic_ack();
358: void pic_update();
359:
1.1.1.20 root 360: // pio
361:
362: typedef struct {
363: UINT8 data, stat, ctrl;
364: } pio_t;
365:
1.1.1.21 root 366: pio_t pio[2];
1.1.1.20 root 367:
368: void pio_init();
369: void pio_write(int c, UINT32 addr, UINT8 data);
370: UINT8 pio_read(int c, UINT32 addr);
371:
1.1.1.14 root 372: // pit
373:
374: #define PIT_ALWAYS_RUNNING
375:
376: typedef struct {
377: INT32 count;
378: UINT16 latch;
1.1.1.21 root 379: UINT16 prev_latch, next_latch;
1.1.1.14 root 380: UINT16 count_reg;
381: UINT8 ctrl_reg;
382: int count_latched;
383: int low_read, high_read;
384: int low_write, high_write;
385: int mode;
386: int status_latched;
387: UINT8 status;
388: // constant clock
389: UINT32 expired_time;
390: UINT32 prev_time;
1.1.1.17 root 391: UINT64 accum;
1.1.1.14 root 392: } pit_t;
393:
394: pit_t pit[3];
395: #ifndef PIT_ALWAYS_RUNNING
396: int pit_active;
397: #endif
398:
399: void pit_init();
400: void pit_write(int ch, UINT8 val);
401: UINT8 pit_read(int ch);
402: int pit_run(int ch, UINT32 cur_time);
403: void pit_latch_count(int ch);
404: int pit_get_expired_time(int ch);
405:
406: UINT8 system_port = 0;
407:
1.1.1.20 root 408: // sio
409:
410: #define SIO_BUFFER_SIZE 1024
411:
412: typedef struct {
413: int channel;
414:
415: FIFO *send_buffer;
416: FIFO *recv_buffer;
417:
418: union {
419: UINT16 w;
420: struct {
421: #ifdef __BIG_ENDIAN__
422: UINT8 h, l;
423: #else
424: UINT8 l, h;
425: #endif
426: } b;
427: } divisor;
428: UINT16 prev_divisor;
429: UINT8 line_ctrl, prev_line_ctrl;
430: UINT8 selector;
431:
432: UINT8 modem_ctrl;
1.1.1.21 root 433: bool set_brk, set_rts, set_dtr;
434: bool prev_set_brk;
435: // bool prev_set_rts, prev_set_dtr;
1.1.1.20 root 436:
437: UINT8 line_stat_buf, line_stat_err;
438: UINT8 modem_stat, prev_modem_stat;
439:
440: UINT8 irq_enable;
441: UINT8 irq_identify;
442:
443: UINT8 scratch;
444: } sio_t;
445:
446: typedef struct {
447: HANDLE hThread;
448: CRITICAL_SECTION csSendData;
449: CRITICAL_SECTION csRecvData;
450: CRITICAL_SECTION csLineCtrl;
451: CRITICAL_SECTION csLineStat;
452: CRITICAL_SECTION csModemCtrl;
453: CRITICAL_SECTION csModemStat;
454: } sio_mt_t;
455:
1.1.1.22! root 456: sio_t sio[2] = {0};
1.1.1.21 root 457: sio_mt_t sio_mt[2];
1.1.1.20 root 458:
459: void sio_init();
460: void sio_finish();
1.1.1.22! root 461: void sio_release();
1.1.1.20 root 462: void sio_write(int c, UINT32 addr, UINT8 data);
463: UINT8 sio_read(int c, UINT32 addr);
464: void sio_update(int c);
465: void sio_update_irq(int c);
466: DWORD WINAPI sio_thread(void *lpx);
467:
1.1.1.14 root 468: // cmos
469:
470: UINT8 cmos[128];
471: UINT8 cmos_addr;
472:
473: void cmos_init();
474: void cmos_write(int addr, UINT8 val);
475: UINT8 cmos_read(int addr);
476:
477: // kbd (a20)
478:
479: UINT8 kbd_data;
480: UINT8 kbd_status;
481: UINT8 kbd_command;
482:
483: void kbd_init();
484: UINT8 kbd_read_data();
485: void kbd_write_data(UINT8 val);
486: UINT8 kbd_read_status();
487: void kbd_write_command(UINT8 val);
488:
489: /* ----------------------------------------------------------------------------
1.1 root 490: MS-DOS virtual machine
491: ---------------------------------------------------------------------------- */
492:
493: #define VECTOR_TOP 0
494: #define VECTOR_SIZE 0x400
495: #define BIOS_TOP (VECTOR_TOP + VECTOR_SIZE)
496: #define BIOS_SIZE 0x100
497: #define WORK_TOP (BIOS_TOP + BIOS_SIZE)
1.1.1.14 root 498: #define WORK_SIZE 0x200
1.1.1.20 root 499: // IO.SYS 0070:0000
500: #define DEVICE_TOP (WORK_TOP + WORK_SIZE)
1.1.1.21 root 501: #define DEVICE_SIZE 0x100 /* 22 + 18 * 12 + 7 */
1.1.1.20 root 502: #define DOS_INFO_TOP (DEVICE_TOP + DEVICE_SIZE)
1.1 root 503: #define DOS_INFO_SIZE 0x100
1.1.1.20 root 504: #define EXT_BIOS_TOP (DOS_INFO_TOP + DOS_INFO_SIZE)
505: #define EXT_BIOS_SIZE 0x400
506: #define DPB_TOP (EXT_BIOS_TOP + EXT_BIOS_SIZE)
1.1 root 507: #define DPB_SIZE 0x400
1.1.1.16 root 508: #define SFT_TOP (DPB_TOP + DPB_SIZE)
509: #define SFT_SIZE 0x4b0 /* 6 + 0x3b * 20 */
510: #define DISK_BUF_TOP (SFT_TOP + SFT_SIZE)
1.1.1.14 root 511: #define DISK_BUF_SIZE 0x20
512: #define CDS_TOP (DISK_BUF_TOP + DISK_BUF_SIZE)
1.1 root 513: #define CDS_SIZE 0x80
514: #define FCB_TABLE_TOP (CDS_TOP + CDS_SIZE)
515: #define FCB_TABLE_SIZE 0x10
1.1.1.17 root 516: #define ERR_TABLE_TOP (FCB_TABLE_TOP + FCB_TABLE_SIZE)
517: #define ERR_TABLE_SIZE 0x10
1.1.1.18 root 518: #define SDA_TOP (ERR_TABLE_TOP + ERR_TABLE_SIZE)
519: #define SDA_SIZE 0xb0
1.1.1.13 root 520: // nls tables
1.1.1.18 root 521: #define UPPERTABLE_TOP (SDA_TOP + SDA_SIZE)
1.1.1.13 root 522: #define UPPERTABLE_SIZE 0x82
1.1.1.18 root 523: #define LOWERTABLE_TOP (UPPERTABLE_TOP + UPPERTABLE_SIZE)
524: #define LOWERTABLE_SIZE 0x82
525: #define FILENAME_UPPERTABLE_TOP (LOWERTABLE_TOP + LOWERTABLE_SIZE)
1.1.1.13 root 526: #define FILENAME_UPPERTABLE_SIZE 0x82
527: #define FILENAME_TERMINATOR_TOP (FILENAME_UPPERTABLE_TOP + FILENAME_UPPERTABLE_SIZE)
528: #define FILENAME_TERMINATOR_SIZE 0x20 /* requirement: 10 + 14(terminate chars) */
529: #define COLLATING_TABLE_TOP (FILENAME_TERMINATOR_TOP + FILENAME_TERMINATOR_SIZE)
530: #define COLLATING_TABLE_SIZE 0x102
531: #define DBCS_TOP (COLLATING_TABLE_TOP + COLLATING_TABLE_SIZE)
1.1 root 532: #define DBCS_TABLE (DBCS_TOP + 2)
533: #define DBCS_SIZE 0x10
1.1.1.13 root 534: #define MSDOS_SYSTEM_DATA_END (DBCS_TOP + DBCS_SIZE)
535: #define MEMORY_TOP ((MSDOS_SYSTEM_DATA_END + 15) & ~15U)
1.1.1.22! root 536: #ifdef SUPPORT_GRAPHIC_SCREEN
! 537: #define MEMORY_END 0xa0000
! 538: #define VGA_VRAM_TOP 0xa0000
! 539: #else
1.1.1.7 root 540: #define MEMORY_END 0xb8000
1.1.1.22! root 541: #endif
1.1.1.7 root 542: #define TEXT_VRAM_TOP 0xb8000
1.1.1.14 root 543: #define EMS_TOP 0xc0000
544: #define EMS_SIZE 0x10000
545: UINT32 UMB_TOP = EMS_TOP; // EMS is disabled
1.1.1.7 root 546: #define UMB_END 0xf8000
547: #define SHADOW_BUF_TOP 0xf8000
1.1.1.14 root 548: #define EMB_TOP 0x10fff0
549: #define EMB_END MAX_MEM
550:
551: UINT32 IRET_TOP = 0;
552: #define IRET_SIZE 0x100
553: UINT32 XMS_TOP = 0;
554: #define XMS_SIZE 0x20
1.1 root 555:
556: //#define ENV_SIZE 0x800
557: #define ENV_SIZE 0x2000
558: #define PSP_SIZE 0x100
559:
560: #define MAX_FILES 128
561: #define MAX_PROCESS 16
1.1.1.12 root 562: #define MAX_DTAINFO 128
1.1.1.11 root 563: #define LFN_DTA_LADDR 0x10FFF0
1.1.1.12 root 564: #define FIND_MAGIC 0x46696e64
1.1 root 565:
1.1.1.16 root 566: #define DUP_STDIN 27
567: #define DUP_STDOUT 28
568: #define DUP_STDERR 29
569: #define DUP_STDAUX 30
570: #define DUP_STDPRN 31
1.1 root 571:
1.1.1.16 root 572: //#define MAP_AUX_DEVICE_TO_FILE
573: //#define MAP_PRN_DEVICE_TO_FILE
1.1 root 574:
575: #pragma pack(1)
576: typedef struct {
577: UINT8 mz;
578: UINT16 psp;
1.1.1.14 root 579: union {
580: UINT8 reserved[5];
581: UINT16 paragraphs16;
582: UINT32 paragraphs32;
583: };
1.1.1.3 root 584: char prog_name[8];
1.1.1.14 root 585: // use 32bit paragraphs for emb
586: UINT32 paragraphs()
587: {
588: UINT32 offset = &(this->mz) - mem;
589: return (offset >= EMB_TOP) ? paragraphs32 : paragraphs16;
590: }
591: UINT32 size_kb()
592: {
593: return paragraphs() >> 6;
594: }
1.1 root 595: } mcb_t;
596: #pragma pack()
597:
598: #pragma pack(1)
599: typedef struct {
600: UINT16 env_seg;
601: PAIR32 cmd_line;
602: PAIR32 fcb1;
603: PAIR32 fcb2;
604: UINT16 sp;
605: UINT16 ss;
606: UINT16 ip;
607: UINT16 cs;
608: } param_block_t;
609: #pragma pack()
610:
611: #pragma pack(1)
612: typedef struct {
613: UINT8 len;
614: char cmd[127];
615: } cmd_line_t;
616: #pragma pack()
617:
618: #pragma pack(1)
619: typedef struct {
620: UINT8 exit[2];
621: UINT16 first_mcb;
622: UINT8 reserved_1;
623: UINT8 far_call;
624: PAIR32 cpm_entry;
625: PAIR32 int_22h;
626: PAIR32 int_23h;
627: PAIR32 int_24h;
628: UINT16 parent_psp;
629: UINT8 file_table[20];
630: UINT16 env_seg;
631: PAIR32 stack;
1.1.1.12 root 632: UINT16 file_table_size;
633: PAIR32 file_table_ptr;
634: UINT8 reserved_2[24];
1.1 root 635: UINT8 service[3];
636: UINT8 reserved_3[2];
637: UINT8 ex_fcb[7];
638: UINT8 fcb1[16];
639: UINT8 fcb2[20];
640: UINT8 buffer[128];
641: } psp_t;
642: #pragma pack()
643:
644: #pragma pack(1)
645: typedef struct {
646: UINT16 mz;
647: UINT16 extra_bytes;
648: UINT16 pages;
649: UINT16 relocations;
650: UINT16 header_size;
651: UINT16 min_alloc;
652: UINT16 max_alloc;
653: UINT16 init_ss;
654: UINT16 init_sp;
655: UINT16 check_sum;
656: UINT16 init_ip;
657: UINT16 init_cs;
658: UINT16 relocation_table;
659: UINT16 overlay;
660: } exe_header_t;
661: #pragma pack()
662:
663: #pragma pack(1)
664: typedef struct {
665: UINT8 flag;
666: UINT8 reserved[5];
667: UINT8 attribute;
668: } ext_fcb_t;
669: #pragma pack()
670:
671: #pragma pack(1)
672: typedef struct {
673: UINT8 drive;
674: UINT8 file_name[8 + 3];
675: UINT16 current_block;
676: UINT16 record_size;
677: UINT32 file_size;
678: UINT16 date;
679: UINT16 time;
1.1.1.12 root 680: union {
681: UINT8 reserved[8];
682: HANDLE handle;
683: };
1.1 root 684: UINT8 cur_record;
685: UINT32 rand_record;
686: } fcb_t;
687: #pragma pack()
688:
689: #pragma pack(1)
690: typedef struct {
691: UINT8 drive;
692: UINT8 file_name[8 + 3];
693: UINT8 attribute;
694: UINT8 nt_res;
695: UINT8 create_time_ms;
696: UINT16 creation_time;
697: UINT16 creation_date;
698: UINT16 last_access_date;
699: UINT16 cluster_hi;
700: UINT16 last_write_time;
701: UINT16 last_write_date;
702: UINT16 cluster_lo;
703: UINT32 file_size;
704: } find_fcb_t;
705: #pragma pack()
706:
707: #pragma pack(1)
708: typedef struct {
1.1.1.12 root 709: union {
710: UINT8 reserved[21];
711: struct {
712: UINT32 find_magic;
713: UINT32 dta_index;
714: };
715: };
1.1 root 716: UINT8 attrib;
717: UINT16 time;
718: UINT16 date;
719: UINT32 size;
720: char name[13];
721: } find_t;
722: #pragma pack()
723:
724: #pragma pack(1)
725: typedef struct {
726: UINT32 attrib;
727: PAIR32 ctime_lo;
728: PAIR32 ctime_hi;
729: PAIR32 atime_lo;
730: PAIR32 atime_hi;
731: PAIR32 mtime_lo;
732: PAIR32 mtime_hi;
733: UINT32 size_hi;
734: UINT32 size_lo;
735: UINT8 reserved[8];
736: char full_name[260];
737: char short_name[14];
738: } find_lfn_t;
739: #pragma pack()
740:
741: #pragma pack(1)
742: typedef struct {
743: UINT16 info_level;
744: UINT32 serial_number;
745: char volume_label[11];
746: char file_system[8];
747: } drive_info_t;
748: #pragma pack()
749:
750: #pragma pack(1)
751: typedef struct {
752: UINT16 size_of_structure;
753: UINT16 structure_version;
754: UINT32 sectors_per_cluster;
755: UINT32 bytes_per_sector;
756: UINT32 available_clusters_on_drive;
757: UINT32 total_clusters_on_drive;
758: UINT32 available_sectors_on_drive;
759: UINT32 total_sectors_on_drive;
760: UINT32 available_allocation_units;
761: UINT32 total_allocation_units;
762: UINT8 reserved[8];
763: } ext_space_info_t;
764: #pragma pack()
765:
766: #pragma pack(1)
767: typedef struct {
768: UINT8 drive_num;
769: UINT8 unit_num;
770: UINT16 bytes_per_sector;
771: UINT8 highest_sector_num;
772: UINT8 shift_count;
773: UINT16 reserved_sectors;
774: UINT8 fat_num;
775: UINT16 root_entries;
776: UINT16 first_data_sector;
777: UINT16 highest_cluster_num;
778: UINT16 sectors_per_fat;
779: UINT16 first_dir_sector;
780: UINT32 device_driver_header;
781: UINT8 media_type;
782: UINT8 drive_accessed;
783: UINT16 next_dpb_ofs;
784: UINT16 next_dpb_seg;
785: UINT16 first_free_cluster;
786: UINT16 free_clusters;
1.1.1.12 root 787: // extended
788: UINT16 fat_mirroring;
789: UINT16 info_sector;
790: UINT16 backup_boot_sector;
791: UINT32 first_cluster_sector;
792: UINT32 maximum_cluster_num;
793: UINT32 fat_sectors;
794: UINT32 root_cluster;
795: UINT32 free_search_cluster;
1.1 root 796: } dpb_t;
797: #pragma pack()
798:
799: #pragma pack(1)
800: typedef struct {
801: char path_name[67];
802: UINT16 drive_attrib;
803: UINT8 physical_drive_number;
804: } cds_t;
805: #pragma pack()
806:
807: #pragma pack(1)
808: typedef struct {
1.1.1.18 root 809: UINT8 reserved_1[3]; // -34
810: UINT8 switchar; // -31 current switch character
811: UINT8 malloc_strategy; // -30 current memory allocation strategy
812: UINT8 reserved_2[29]; // -29
813: // ----- from DOSBox -----
814: UINT8 crit_error_flag; // 0x00 Critical Error Flag
815: UINT8 indos_flag; // 0x01 InDOS flag (count of active INT 21 calls)
816: UINT8 drive_crit_error; // 0x02 Drive on which current critical error occurred or FFh
817: UINT8 locus_of_last_error; // 0x03 locus of last error
818: UINT16 extended_error_code; // 0x04 extended error code of last error
819: UINT8 suggested_action; // 0x06 suggested action for last error
820: UINT8 error_class; // 0x07 class of last error
821: PAIR32 last_error_pointer; // 0x08 ES:DI pointer for last error
822: PAIR32 current_dta; // 0x0C current DTA (Disk Transfer Address)
823: UINT16 current_psp; // 0x10 current PSP
824: UINT16 sp_int_23; // 0x12 stores SP across an INT 23
825: UINT16 return_code; // 0x14 return code from last process termination (zerod after reading with AH=4Dh)
826: UINT8 current_drive; // 0x16 current drive
827: UINT8 extended_break_flag; // 0x17 extended break flag
828: UINT8 fill[2]; // 0x18 flag: code page switching || flag: copy of previous byte in case of INT 24 Abort
829: } sda_t;
830: #pragma pack()
831:
832: #pragma pack(1)
833: typedef struct {
1.1.1.14 root 834: UINT8 reserved_0[4]; // -38
835: UINT16 magic_word; // -34 from DOSBox
836: UINT8 reserved_1[30]; // -32
1.1 root 837: UINT16 first_mcb; // -2
838: PAIR32 first_dpb; // +0
1.1.1.14 root 839: PAIR32 first_sft; // +4
1.1.1.20 root 840: PAIR32 clock_device; // +8
841: PAIR32 con_device; // +12
1.1.1.14 root 842: UINT16 max_sector_len; // +16
843: PAIR32 disk_buf_info; // +18 from DOSBox
1.1 root 844: PAIR32 cds; // +22
845: PAIR32 fcb_table; // +26
1.1.1.20 root 846: UINT8 reserved_2[3]; // +30
1.1 root 847: UINT8 last_drive; // +33
1.1.1.14 root 848: struct {
1.1.1.20 root 849: PAIR32 next_driver; // +34
1.1.1.14 root 850: UINT16 attributes; // +38
851: UINT16 strategy; // +40
852: UINT16 interrupt; // +42
853: char dev_name[8]; // +44
854: } nul_device;
1.1.1.20 root 855: UINT8 reserved_3[11]; // +52
1.1 root 856: UINT16 buffers_x; // +63
857: UINT16 buffers_y; // +65
858: UINT8 boot_drive; // +67
859: UINT8 i386_or_later; // +68
860: UINT16 ext_mem_size; // +69
1.1.1.14 root 861: PAIR32 disk_buf_heads; // +71 from DOSBox
1.1.1.20 root 862: UINT8 reserved_4[21]; // +75
1.1.1.5 root 863: UINT8 dos_flag; // +96
1.1.1.20 root 864: UINT8 reserved_5[2]; // +97
1.1.1.15 root 865: UINT8 umb_linked; // +99 from DOSBox
1.1.1.20 root 866: UINT8 reserved_6[2]; // +100
1.1.1.15 root 867: UINT16 first_umb_fcb; // +102 from DOSBox
868: UINT16 first_mcb_2; // +104 from DOSBox
1.1.1.21 root 869: UINT8 nul_device_routine[7];
1.1 root 870: } dos_info_t;
871: #pragma pack()
872:
1.1.1.14 root 873: #pragma pack(1)
874: typedef struct {
1.1.1.20 root 875: PAIR32 next_driver;
876: UINT16 attributes;
877: UINT16 strategy;
878: UINT16 interrupt;
879: char dev_name[8];
880: } device_t;
881: #pragma pack()
882:
883: #pragma pack(1)
884: typedef struct {
1.1.1.14 root 885: UINT16 date_format;
886: char currency_symbol[5];
887: char thou_sep[2];
888: char dec_sep[2];
889: char date_sep[2];
890: char time_sep[2];
891: char currency_format;
892: char currency_dec_digits;
893: char time_format;
894: PAIR32 case_map;
895: char list_sep[2];
896: char reserved[10];
897: } country_info_t;
898: #pragma pack()
899:
1.1 root 900: typedef struct {
901: char path[MAX_PATH];
902: int valid;
903: int id;
904: int atty;
905: int mode;
906: UINT16 info;
907: UINT16 psp;
908: } file_handler_t;
909:
910: static const struct {
911: int mode;
912: int in;
913: int out;
914: } file_mode[] = {
1.1.1.11 root 915: { _O_RDONLY | _O_BINARY, 1, 0 },
1.1 root 916: { _O_WRONLY | _O_BINARY, 0, 1 },
917: { _O_RDWR | _O_BINARY, 1, 1 },
918: };
919:
920: typedef struct {
921: UINT16 psp;
922: char module_dir[MAX_PATH];
923: PAIR32 dta;
924: UINT8 switchar;
925: UINT8 verify;
926: int max_files;
927: char volume_label[MAX_PATH];
928: bool parent_int_10h_feh_called;
929: bool parent_int_10h_ffh_called;
1.1.1.12 root 930: UINT16 parent_ds;
1.1.1.14 root 931: struct {
932: UINT16 handle;
933: UINT16 page;
934: bool mapped;
935: } ems_pages[4];
936: bool ems_pages_stored;
1.1.1.22! root 937: bool called_by_int2eh;
1.1 root 938: } process_t;
939:
1.1.1.11 root 940: typedef struct {
941: UINT16 psp;
942: UINT32 dta;
1.1.1.12 root 943: UINT8 allowable_mask;
944: UINT8 required_mask;
1.1.1.11 root 945: HANDLE find_handle;
946: } dtainfo_t;
947:
1.1.1.8 root 948: UINT8 major_version = 7;
949: UINT8 minor_version = 10;
950:
1.1.1.7 root 951: UINT16 first_mcb;
1.1 root 952: UINT16 current_psp;
953:
954: int retval = 0;
955: UINT16 error_code = 0;
956:
957: file_handler_t file_handler[MAX_FILES];
958: UINT8 file_buffer[0x100000];
959:
960: process_t process[MAX_PROCESS];
1.1.1.11 root 961: dtainfo_t dtalist[MAX_DTAINFO];
1.1 root 962:
1.1.1.6 root 963: UINT16 malloc_strategy = 0;
964:
1.1.1.12 root 965: char comspec_path[MAX_PATH] = "C:\\COMMAND.COM";
966:
1.1 root 967: void msdos_syscall(unsigned num);
968: int msdos_init(int argc, char *argv[], char *envp[], int standard_env);
969: void msdos_finish();
970:
971: // console
972:
1.1.1.12 root 973: #define SCR_BUF_WIDTH 256
974: #define SCR_BUF_HEIGHT 128
1.1 root 975:
976: #define SET_RECT(rect, l, t, r, b) { \
977: rect.Left = l; \
978: rect.Top = t; \
979: rect.Right = r; \
980: rect.Bottom = b; \
981: }
982:
1.1.1.19 root 983: DWORD dwConsoleMode = 0;
984:
1.1.1.12 root 985: CHAR_INFO scr_buf[SCR_BUF_WIDTH * SCR_BUF_HEIGHT];
986: char scr_char[SCR_BUF_WIDTH * SCR_BUF_HEIGHT];
987: WORD scr_attr[SCR_BUF_WIDTH * SCR_BUF_HEIGHT];
1.1 root 988: COORD scr_buf_size;
989: COORD scr_buf_pos;
990: int scr_width, scr_height;
1.1.1.12 root 991: int scr_top;
1.1.1.10 root 992: bool restore_console_on_exit = false;
1.1 root 993: bool cursor_moved;
994:
1.1.1.22! root 995: FIFO *key_buf_char = NULL;
! 996: FIFO *key_buf_scan = NULL;
1.1.1.19 root 997: bool key_changed = false;
1.1.1.4 root 998: UINT32 key_code = 0;
1.1 root 999:
1.1.1.21 root 1000: UINT8 ctrl_c_checking = 0x01; // ???
1001: bool ctrl_c_pressed = false;
1002: bool ctrl_c_detected = false;
1003:
1.1 root 1004: int active_code_page;
1005: int system_code_page;
1006:
1.1.1.12 root 1007: UINT32 text_vram_top_address;
1008: UINT32 text_vram_end_address;
1009: UINT32 shadow_buffer_top_address;
1010: UINT32 shadow_buffer_end_address;
1011: int vram_pages;
1.1 root 1012: bool int_10h_feh_called = false;
1013: bool int_10h_ffh_called = false;
1014:
1.1.1.19 root 1015: #define MAX_MOUSE_BUTTONS 3
1016:
1.1.1.21 root 1017: typedef struct {
1.1.1.19 root 1018: bool active;
1019: struct {
1020: int x, y;
1021: } position, prev_position, max_position, min_position, mickey;
1022: struct {
1023: bool status;
1024: int pressed_times;
1025: int released_times;
1026: struct {
1027: int x, y;
1028: } pressed_position;
1029: struct {
1030: int x, y;
1031: } released_position;
1032: } buttons[MAX_MOUSE_BUTTONS];
1033: int get_buttons()
1034: {
1035: int val = 0;
1036: for(int i = 0; i < MAX_MOUSE_BUTTONS; i++) {
1037: if(buttons[i].status) {
1038: val |= 1 << i;
1039: }
1040: }
1041: return(val);
1042: }
1043: UINT16 status;
1044: UINT16 status_irq;
1045: UINT16 call_mask;
1046: PAIR32 call_addr;
1047: // dummy
1048: UINT16 sensitivity[3];
1049: UINT16 display_page;
1050: UINT16 language;
1051: UINT16 hot_spot[2];
1.1.1.21 root 1052: } mouse_t;
1053:
1054: mouse_t mouse;
1.1.1.19 root 1055:
1056: UINT16 mouse_push_ax;
1057: UINT16 mouse_push_bx;
1058: UINT16 mouse_push_cx;
1059: UINT16 mouse_push_dx;
1060: UINT16 mouse_push_si;
1061: UINT16 mouse_push_di;
1062:
1.1 root 1063: #endif
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.