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