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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 root 34:
1.1.1.15! root 35: #ifdef _DEBUG
! 36: #define _CRTDBG_MAP_ALLOC
! 37: #include <crtdbg.h>
! 38: #define calloc(c, s) _calloc_dbg(c, s, _NORMAL_BLOCK, __FILE__, __LINE__)
! 39: #define malloc(s) _malloc_dbg(s, _NORMAL_BLOCK, __FILE__, __LINE__)
! 40: #define new new(_NORMAL_BLOCK, __FILE__, __LINE__)
! 41: #endif
! 42:
1.1.1.9 root 43: // variable scope of 'for' loop for Microsoft Visual C++ 6.0
44: #if defined(_MSC_VER) && (_MSC_VER == 1200)
1.1 root 45: #define for if(0);else for
46: #endif
1.1.1.9 root 47:
48: // disable warnings for Microsoft Visual C++ 2005 or later
1.1 root 49: #if defined(_MSC_VER) && (_MSC_VER >= 1400)
50: #pragma warning( disable : 4819 )
51: #pragma warning( disable : 4995 )
52: #pragma warning( disable : 4996 )
1.1.1.9 root 53: // for MAME i86/i386
54: #pragma warning( disable : 4018 )
55: #pragma warning( disable : 4065 )
56: #pragma warning( disable : 4146 )
57: #pragma warning( disable : 4244 )
58: #pragma warning( disable : 4267 )
59: #endif
60:
61: // endian
62: #if !defined(__LITTLE_ENDIAN__) && !defined(__BIG_ENDIAN__)
63: #if defined(__BYTE_ORDER) && (defined(__LITTLE_ENDIAN) || defined(__BIG_ENDIAN))
64: #if __BYTE_ORDER == __LITTLE_ENDIAN
65: #define __LITTLE_ENDIAN__
66: #elif __BYTE_ORDER == __BIG_ENDIAN
67: #define __BIG_ENDIAN__
68: #endif
69: #elif defined(WORDS_LITTLEENDIAN)
70: #define __LITTLE_ENDIAN__
71: #elif defined(WORDS_BIGENDIAN)
72: #define __BIG_ENDIAN__
73: #endif
74: #endif
75: #if !defined(__LITTLE_ENDIAN__) && !defined(__BIG_ENDIAN__)
76: // Microsoft Visual C++
77: #define __LITTLE_ENDIAN__
1.1 root 78: #endif
1.1.1.9 root 79:
1.1 root 80: // compat for mingw32 headers
81: #ifndef COMMON_LVB_UNDERSCORE
82: #define COMMON_LVB_UNDERSCORE 0x8000
83: #endif
84:
85: // type definition
86: #ifndef UINT8
87: typedef unsigned char UINT8;
88: #endif
89: #ifndef UINT16
90: typedef unsigned short UINT16;
91: #endif
92: #ifndef UINT32
93: typedef unsigned int UINT32;
94: #endif
95: #ifndef INT8
96: typedef signed char INT8;
97: #endif
98: #ifndef INT16
99: typedef signed short INT16;
100: #endif
101: #ifndef INT32
102: typedef signed int INT32;
103: #endif
104:
105: #pragma pack(1)
106: typedef union {
107: UINT32 dw;
108: struct {
1.1.1.9 root 109: #ifdef __BIG_ENDIAN__
110: UINT16 h, l;
111: #else
1.1 root 112: UINT16 l, h;
1.1.1.9 root 113: #endif
1.1 root 114: } w;
115: } PAIR32;
116: #pragma pack()
117:
118: /* ----------------------------------------------------------------------------
119: FIFO buffer
120: ---------------------------------------------------------------------------- */
121:
122: #define MAX_FIFO 256
123:
124: class FIFO
125: {
126: private:
127: int buf[MAX_FIFO];
128: int cnt, rpt, wpt, stored[3];
129: public:
130: FIFO() {
131: cnt = rpt = wpt = 0;
132: }
133: void write(int val) {
134: if(cnt < MAX_FIFO) {
135: buf[wpt++] = val;
136: if(wpt >= MAX_FIFO) {
137: wpt = 0;
138: }
139: cnt++;
140: }
141: }
142: int read() {
143: int val = 0;
144: if(cnt) {
145: val = buf[rpt++];
146: if(rpt >= MAX_FIFO) {
147: rpt = 0;
148: }
149: cnt--;
150: }
151: return val;
152: }
153: int count() {
154: return cnt;
155: }
156: void store_buffer() {
157: stored[0] = cnt;
158: stored[1] = rpt;
159: stored[2] = wpt;
160: }
161: void restore_buffer() {
162: cnt = stored[0];
163: rpt = stored[1];
164: wpt = stored[2];
165: }
166: };
167:
168: /* ----------------------------------------------------------------------------
1.1.1.14 root 169: MAME i86/i386
170: ---------------------------------------------------------------------------- */
171:
172: #if defined(HAS_I86)
173: #define CPU_MODEL i8086
174: #elif defined(HAS_I186)
175: #define CPU_MODEL i80186
176: #elif defined(HAS_V30)
177: #define CPU_MODEL v30
178: #elif defined(HAS_I286)
179: #define CPU_MODEL i80286
180: #elif defined(HAS_I386)
181: #define CPU_MODEL i386
182: #else
183: // #if defined(HAS_I386SX)
184: // #define CPU_MODEL i386SX
185: // #else
186: #if defined(HAS_I486)
187: #define CPU_MODEL i486
188: #else
189: #if defined(HAS_PENTIUM)
190: #define CPU_MODEL pentium
191: #elif defined(HAS_MEDIAGX)
192: #define CPU_MODEL mediagx
193: #elif defined(HAS_PENTIUM_PRO)
194: #define CPU_MODEL pentium_pro
195: #elif defined(HAS_PENTIUM_MMX)
196: #define CPU_MODEL pentium_mmx
197: #elif defined(HAS_PENTIUM2)
198: #define CPU_MODEL pentium2
199: #elif defined(HAS_PENTIUM3)
200: #define CPU_MODEL pentium3
201: #elif defined(HAS_PENTIUM4)
202: #define CPU_MODEL pentium4
203: #endif
204: #define SUPPORT_RDTSC
205: #endif
206: #define SUPPORT_FPU
207: // #endif
208: #define HAS_I386
209: #endif
210:
211: /* ----------------------------------------------------------------------------
212: PC/AT hardware emulation
213: ---------------------------------------------------------------------------- */
214:
215: void hardware_init();
216: void hardware_finish();
217: void hardware_run();
218: void hardware_update();
219:
220: // memory
221:
222: #if defined(HAS_I386)
223: #define MAX_MEM 0x2000000 /* 32MB */
224: #elif defined(HAS_I286)
225: #define MAX_MEM 0x1000000 /* 16MB */
226: #else
227: #define MAX_MEM 0x100000 /* 1MB */
228: #endif
229: UINT8 mem[MAX_MEM + 3];
230:
231: // ems
232:
233: #define MAX_EMS_HANDLES 16
234: #define MAX_EMS_PAGES 2048 /* 32MB */
235:
236: struct {
237: char name[8];
238: UINT8* buffer;
239: int pages;
240: bool allocated;
241: } ems_handles[MAX_EMS_HANDLES];
242:
243: struct {
244: UINT16 handle;
245: UINT16 page;
246: bool mapped;
247: } ems_pages[4];
248:
249: int free_ems_pages;
250:
251: void ems_init();
252: void ems_finish();
253: void ems_allocate_pages(int handle, int pages);
254: void ems_reallocate_pages(int handle, int pages);
255: void ems_release_pages(int handle);
256: void ems_map_page(int physical, int handle, int logical);
257: void ems_unmap_page(int physical);
258:
259: // xms
260:
261: #if defined(HAS_I286) || defined(HAS_I386)
262: #define SUPPORT_XMS
263: #endif
264:
265: #ifdef SUPPORT_XMS
266: #define MAX_XMS_HANDLES 16
267: #define MAX_XMS_SIZE_KB 0x8000 // 32MB
268:
269: struct {
270: int seg;
271: int size_kb;
272: int lock;
273: bool allocated;
274: } xms_handles[MAX_XMS_HANDLES + 1];
275: #endif
276:
277: // pic
278:
279: typedef struct {
280: UINT8 imr, isr, irr, prio;
281: UINT8 icw1, icw2, icw3, icw4;
282: UINT8 ocw3;
283: UINT8 icw2_r, icw3_r, icw4_r;
284: } pic_t;
285:
286: pic_t pic[2];
287: int pic_req_chip, pic_req_level;
288: UINT8 pic_req_bit;
289:
290: void pic_init();
291: void pic_write(int c, UINT32 addr, UINT8 data);
292: UINT8 pic_read(int c, UINT32 addr);
293: void pic_req(int c, int level, int signal);
294: int pic_ack();
295: void pic_update();
296:
297: // pit
298:
299: #define PIT_ALWAYS_RUNNING
300:
301: typedef struct {
302: INT32 count;
303: UINT16 latch;
304: UINT16 count_reg;
305: UINT8 ctrl_reg;
306: int count_latched;
307: int low_read, high_read;
308: int low_write, high_write;
309: int mode;
310: int status_latched;
311: UINT8 status;
312: // constant clock
313: UINT32 expired_time;
314: UINT32 prev_time;
315: } pit_t;
316:
317: pit_t pit[3];
318: #ifndef PIT_ALWAYS_RUNNING
319: int pit_active;
320: #endif
321:
322: void pit_init();
323: void pit_write(int ch, UINT8 val);
324: UINT8 pit_read(int ch);
325: int pit_run(int ch, UINT32 cur_time);
326: void pit_latch_count(int ch);
327: int pit_get_expired_time(int ch);
328:
329: UINT8 system_port = 0;
330:
331: // cmos
332:
333: UINT8 cmos[128];
334: UINT8 cmos_addr;
335:
336: void cmos_init();
337: void cmos_write(int addr, UINT8 val);
338: UINT8 cmos_read(int addr);
339:
340: // kbd (a20)
341:
342: UINT8 kbd_data;
343: UINT8 kbd_status;
344: UINT8 kbd_command;
345:
346: void kbd_init();
347: UINT8 kbd_read_data();
348: void kbd_write_data(UINT8 val);
349: UINT8 kbd_read_status();
350: void kbd_write_command(UINT8 val);
351:
352: /* ----------------------------------------------------------------------------
1.1 root 353: MS-DOS virtual machine
354: ---------------------------------------------------------------------------- */
355:
356: #define VECTOR_TOP 0
357: #define VECTOR_SIZE 0x400
358: #define BIOS_TOP (VECTOR_TOP + VECTOR_SIZE)
359: #define BIOS_SIZE 0x100
360: #define WORK_TOP (BIOS_TOP + BIOS_SIZE)
1.1.1.14 root 361: #define WORK_SIZE 0x200
362: #define DOS_INFO_TOP (WORK_TOP + WORK_SIZE)
363: #define DOS_INFO_BASE (DOS_INFO_TOP + 38)
1.1 root 364: #define DOS_INFO_SIZE 0x100
365: #define DPB_TOP (DOS_INFO_TOP + DOS_INFO_SIZE)
366: #define DPB_SIZE 0x400
367: #define FILE_TABLE_TOP (DPB_TOP + DPB_SIZE)
368: #define FILE_TABLE_SIZE 0x10
1.1.1.14 root 369: #define DISK_BUF_TOP (FILE_TABLE_TOP + FILE_TABLE_SIZE)
370: #define DISK_BUF_SIZE 0x20
371: #define CDS_TOP (DISK_BUF_TOP + DISK_BUF_SIZE)
1.1 root 372: #define CDS_SIZE 0x80
373: #define FCB_TABLE_TOP (CDS_TOP + CDS_SIZE)
374: #define FCB_TABLE_SIZE 0x10
1.1.1.13 root 375: // nls tables
376: #define UPPERTABLE_TOP (FCB_TABLE_TOP + FCB_TABLE_SIZE)
377: #define UPPERTABLE_SIZE 0x82
378: #define FILENAME_UPPERTABLE_TOP (UPPERTABLE_TOP + UPPERTABLE_SIZE)
379: #define FILENAME_UPPERTABLE_SIZE 0x82
380: #define FILENAME_TERMINATOR_TOP (FILENAME_UPPERTABLE_TOP + FILENAME_UPPERTABLE_SIZE)
381: #define FILENAME_TERMINATOR_SIZE 0x20 /* requirement: 10 + 14(terminate chars) */
382: #define COLLATING_TABLE_TOP (FILENAME_TERMINATOR_TOP + FILENAME_TERMINATOR_SIZE)
383: #define COLLATING_TABLE_SIZE 0x102
384: #define DBCS_TOP (COLLATING_TABLE_TOP + COLLATING_TABLE_SIZE)
1.1 root 385: #define DBCS_TABLE (DBCS_TOP + 2)
386: #define DBCS_SIZE 0x10
1.1.1.13 root 387: #define MSDOS_SYSTEM_DATA_END (DBCS_TOP + DBCS_SIZE)
388: #define MEMORY_TOP ((MSDOS_SYSTEM_DATA_END + 15) & ~15U)
1.1.1.7 root 389: #define MEMORY_END 0xb8000
390: #define TEXT_VRAM_TOP 0xb8000
1.1.1.14 root 391: #define EMS_TOP 0xc0000
392: #define EMS_SIZE 0x10000
393: UINT32 UMB_TOP = EMS_TOP; // EMS is disabled
1.1.1.7 root 394: #define UMB_END 0xf8000
395: #define SHADOW_BUF_TOP 0xf8000
1.1.1.14 root 396: #define EMB_TOP 0x10fff0
397: #define EMB_END MAX_MEM
398:
399: UINT32 IRET_TOP = 0;
400: #define IRET_SIZE 0x100
401: UINT32 XMS_TOP = 0;
402: #define XMS_OFFSET 0x04
403: #define XMS_SIZE 0x20
1.1 root 404:
405: //#define ENV_SIZE 0x800
406: #define ENV_SIZE 0x2000
407: #define PSP_SIZE 0x100
408:
409: #define MAX_FILES 128
410: #define MAX_PROCESS 16
1.1.1.12 root 411: #define MAX_DTAINFO 128
1.1.1.11 root 412: #define LFN_DTA_LADDR 0x10FFF0
1.1.1.12 root 413: #define FIND_MAGIC 0x46696e64
1.1 root 414:
415: #define DUP_STDIN 29
416: #define DUP_STDOUT 30
417: #define DUP_STDERR 31
418:
419: //#define SUPPORT_AUX_PRN
420:
421: #pragma pack(1)
422: typedef struct {
423: UINT8 mz;
424: UINT16 psp;
1.1.1.14 root 425: union {
426: UINT8 reserved[5];
427: UINT16 paragraphs16;
428: UINT32 paragraphs32;
429: };
1.1.1.3 root 430: char prog_name[8];
1.1.1.14 root 431: // use 32bit paragraphs for emb
432: UINT32 paragraphs()
433: {
434: UINT32 offset = &(this->mz) - mem;
435: return (offset >= EMB_TOP) ? paragraphs32 : paragraphs16;
436: }
437: UINT32 size_kb()
438: {
439: return paragraphs() >> 6;
440: }
1.1 root 441: } mcb_t;
442: #pragma pack()
443:
444: #pragma pack(1)
445: typedef struct {
446: UINT16 env_seg;
447: PAIR32 cmd_line;
448: PAIR32 fcb1;
449: PAIR32 fcb2;
450: UINT16 sp;
451: UINT16 ss;
452: UINT16 ip;
453: UINT16 cs;
454: } param_block_t;
455: #pragma pack()
456:
457: #pragma pack(1)
458: typedef struct {
459: UINT8 len;
460: char cmd[127];
461: } cmd_line_t;
462: #pragma pack()
463:
464: #pragma pack(1)
465: typedef struct {
466: UINT8 exit[2];
467: UINT16 first_mcb;
468: UINT8 reserved_1;
469: UINT8 far_call;
470: PAIR32 cpm_entry;
471: PAIR32 int_22h;
472: PAIR32 int_23h;
473: PAIR32 int_24h;
474: UINT16 parent_psp;
475: UINT8 file_table[20];
476: UINT16 env_seg;
477: PAIR32 stack;
1.1.1.12 root 478: UINT16 file_table_size;
479: PAIR32 file_table_ptr;
480: UINT8 reserved_2[24];
1.1 root 481: UINT8 service[3];
482: UINT8 reserved_3[2];
483: UINT8 ex_fcb[7];
484: UINT8 fcb1[16];
485: UINT8 fcb2[20];
486: UINT8 buffer[128];
487: } psp_t;
488: #pragma pack()
489:
490: #pragma pack(1)
491: typedef struct {
492: UINT16 mz;
493: UINT16 extra_bytes;
494: UINT16 pages;
495: UINT16 relocations;
496: UINT16 header_size;
497: UINT16 min_alloc;
498: UINT16 max_alloc;
499: UINT16 init_ss;
500: UINT16 init_sp;
501: UINT16 check_sum;
502: UINT16 init_ip;
503: UINT16 init_cs;
504: UINT16 relocation_table;
505: UINT16 overlay;
506: } exe_header_t;
507: #pragma pack()
508:
509: #pragma pack(1)
510: typedef struct {
511: UINT8 flag;
512: UINT8 reserved[5];
513: UINT8 attribute;
514: } ext_fcb_t;
515: #pragma pack()
516:
517: #pragma pack(1)
518: typedef struct {
519: UINT8 drive;
520: UINT8 file_name[8 + 3];
521: UINT16 current_block;
522: UINT16 record_size;
523: UINT32 file_size;
524: UINT16 date;
525: UINT16 time;
1.1.1.12 root 526: union {
527: UINT8 reserved[8];
528: HANDLE handle;
529: };
1.1 root 530: UINT8 cur_record;
531: UINT32 rand_record;
532: } fcb_t;
533: #pragma pack()
534:
535: #pragma pack(1)
536: typedef struct {
537: UINT8 drive;
538: UINT8 file_name[8 + 3];
539: UINT8 attribute;
540: UINT8 nt_res;
541: UINT8 create_time_ms;
542: UINT16 creation_time;
543: UINT16 creation_date;
544: UINT16 last_access_date;
545: UINT16 cluster_hi;
546: UINT16 last_write_time;
547: UINT16 last_write_date;
548: UINT16 cluster_lo;
549: UINT32 file_size;
550: } find_fcb_t;
551: #pragma pack()
552:
553: #pragma pack(1)
554: typedef struct {
1.1.1.12 root 555: union {
556: UINT8 reserved[21];
557: struct {
558: UINT32 find_magic;
559: UINT32 dta_index;
560: };
561: };
1.1 root 562: UINT8 attrib;
563: UINT16 time;
564: UINT16 date;
565: UINT32 size;
566: char name[13];
567: } find_t;
568: #pragma pack()
569:
570: #pragma pack(1)
571: typedef struct {
572: UINT32 attrib;
573: PAIR32 ctime_lo;
574: PAIR32 ctime_hi;
575: PAIR32 atime_lo;
576: PAIR32 atime_hi;
577: PAIR32 mtime_lo;
578: PAIR32 mtime_hi;
579: UINT32 size_hi;
580: UINT32 size_lo;
581: UINT8 reserved[8];
582: char full_name[260];
583: char short_name[14];
584: } find_lfn_t;
585: #pragma pack()
586:
587: #pragma pack(1)
588: typedef struct {
589: UINT16 info_level;
590: UINT32 serial_number;
591: char volume_label[11];
592: char file_system[8];
593: } drive_info_t;
594: #pragma pack()
595:
596: #pragma pack(1)
597: typedef struct {
598: UINT16 size_of_structure;
599: UINT16 structure_version;
600: UINT32 sectors_per_cluster;
601: UINT32 bytes_per_sector;
602: UINT32 available_clusters_on_drive;
603: UINT32 total_clusters_on_drive;
604: UINT32 available_sectors_on_drive;
605: UINT32 total_sectors_on_drive;
606: UINT32 available_allocation_units;
607: UINT32 total_allocation_units;
608: UINT8 reserved[8];
609: } ext_space_info_t;
610: #pragma pack()
611:
612: #pragma pack(1)
613: typedef struct {
614: UINT8 drive_num;
615: UINT8 unit_num;
616: UINT16 bytes_per_sector;
617: UINT8 highest_sector_num;
618: UINT8 shift_count;
619: UINT16 reserved_sectors;
620: UINT8 fat_num;
621: UINT16 root_entries;
622: UINT16 first_data_sector;
623: UINT16 highest_cluster_num;
624: UINT16 sectors_per_fat;
625: UINT16 first_dir_sector;
626: UINT32 device_driver_header;
627: UINT8 media_type;
628: UINT8 drive_accessed;
629: UINT16 next_dpb_ofs;
630: UINT16 next_dpb_seg;
631: UINT16 first_free_cluster;
632: UINT16 free_clusters;
1.1.1.12 root 633: // extended
634: UINT16 fat_mirroring;
635: UINT16 info_sector;
636: UINT16 backup_boot_sector;
637: UINT32 first_cluster_sector;
638: UINT32 maximum_cluster_num;
639: UINT32 fat_sectors;
640: UINT32 root_cluster;
641: UINT32 free_search_cluster;
1.1 root 642: } dpb_t;
643: #pragma pack()
644:
645: #pragma pack(1)
646: typedef struct {
647: char path_name[67];
648: UINT16 drive_attrib;
649: UINT8 physical_drive_number;
650: } cds_t;
651: #pragma pack()
652:
653: #pragma pack(1)
654: typedef struct {
1.1.1.14 root 655: UINT8 reserved_0[4]; // -38
656: UINT16 magic_word; // -34 from DOSBox
657: UINT8 reserved_1[30]; // -32
1.1 root 658: UINT16 first_mcb; // -2
659: PAIR32 first_dpb; // +0
1.1.1.14 root 660: PAIR32 first_sft; // +4
661: UINT8 reserved_2[8]; // +8
662: UINT16 max_sector_len; // +16
663: PAIR32 disk_buf_info; // +18 from DOSBox
1.1 root 664: PAIR32 cds; // +22
665: PAIR32 fcb_table; // +26
1.1.1.14 root 666: UINT8 reserved_3[3]; // +30
1.1 root 667: UINT8 last_drive; // +33
1.1.1.14 root 668: struct {
669: UINT32 next_driver; // +34
670: UINT16 attributes; // +38
671: UINT16 strategy; // +40
672: UINT16 interrupt; // +42
673: char dev_name[8]; // +44
674: } nul_device;
675: UINT8 reserved_4[11]; // +52
1.1 root 676: UINT16 buffers_x; // +63
677: UINT16 buffers_y; // +65
678: UINT8 boot_drive; // +67
679: UINT8 i386_or_later; // +68
680: UINT16 ext_mem_size; // +69
1.1.1.14 root 681: PAIR32 disk_buf_heads; // +71 from DOSBox
682: UINT8 reserved_5[21]; // +75
1.1.1.5 root 683: UINT8 dos_flag; // +96
1.1.1.15! root 684: UINT8 reserved_6[2]; // +97
! 685: UINT8 umb_linked; // +99 from DOSBox
! 686: UINT8 reserved_7[2]; // +100
! 687: UINT16 first_umb_fcb; // +102 from DOSBox
! 688: UINT16 first_mcb_2; // +104 from DOSBox
1.1 root 689: } dos_info_t;
690: #pragma pack()
691:
1.1.1.14 root 692: #pragma pack(1)
693: typedef struct {
694: UINT16 date_format;
695: char currency_symbol[5];
696: char thou_sep[2];
697: char dec_sep[2];
698: char date_sep[2];
699: char time_sep[2];
700: char currency_format;
701: char currency_dec_digits;
702: char time_format;
703: PAIR32 case_map;
704: char list_sep[2];
705: char reserved[10];
706: } country_info_t;
707: #pragma pack()
708:
1.1 root 709: typedef struct {
710: char path[MAX_PATH];
711: int valid;
712: int id;
713: int atty;
714: int mode;
715: UINT16 info;
716: UINT16 psp;
717: } file_handler_t;
718:
719: static const struct {
720: int mode;
721: int in;
722: int out;
723: } file_mode[] = {
1.1.1.11 root 724: { _O_RDONLY | _O_BINARY, 1, 0 },
1.1 root 725: { _O_WRONLY | _O_BINARY, 0, 1 },
726: { _O_RDWR | _O_BINARY, 1, 1 },
727: };
728:
729: typedef struct {
730: UINT16 psp;
731: char module_dir[MAX_PATH];
732: PAIR32 dta;
733: UINT8 switchar;
734: UINT8 verify;
735: int max_files;
736: char volume_label[MAX_PATH];
737: bool parent_int_10h_feh_called;
738: bool parent_int_10h_ffh_called;
1.1.1.12 root 739: UINT16 parent_ds;
1.1.1.14 root 740: struct {
741: UINT16 handle;
742: UINT16 page;
743: bool mapped;
744: } ems_pages[4];
745: bool ems_pages_stored;
1.1 root 746: } process_t;
747:
1.1.1.11 root 748: typedef struct {
749: UINT16 psp;
750: UINT32 dta;
1.1.1.12 root 751: UINT8 allowable_mask;
752: UINT8 required_mask;
1.1.1.11 root 753: HANDLE find_handle;
754: } dtainfo_t;
755:
1.1.1.8 root 756: UINT8 major_version = 7;
757: UINT8 minor_version = 10;
758:
1.1.1.7 root 759: UINT16 first_mcb;
1.1 root 760: UINT16 current_psp;
761:
762: int retval = 0;
763: UINT16 error_code = 0;
764:
765: file_handler_t file_handler[MAX_FILES];
766: UINT8 file_buffer[0x100000];
767:
768: process_t process[MAX_PROCESS];
1.1.1.11 root 769: dtainfo_t dtalist[MAX_DTAINFO];
1.1 root 770:
1.1.1.6 root 771: UINT16 malloc_strategy = 0;
772:
1.1.1.12 root 773: char comspec_path[MAX_PATH] = "C:\\COMMAND.COM";
774:
1.1 root 775: void msdos_syscall(unsigned num);
776: int msdos_init(int argc, char *argv[], char *envp[], int standard_env);
777: void msdos_finish();
778:
779: // console
780:
1.1.1.12 root 781: #define SCR_BUF_WIDTH 256
782: #define SCR_BUF_HEIGHT 128
1.1 root 783:
784: #define SET_RECT(rect, l, t, r, b) { \
785: rect.Left = l; \
786: rect.Top = t; \
787: rect.Right = r; \
788: rect.Bottom = b; \
789: }
790:
791: HANDLE hStdin;
792: HANDLE hStdout;
1.1.1.12 root 793: CHAR_INFO scr_buf[SCR_BUF_WIDTH * SCR_BUF_HEIGHT];
794: char scr_char[SCR_BUF_WIDTH * SCR_BUF_HEIGHT];
795: WORD scr_attr[SCR_BUF_WIDTH * SCR_BUF_HEIGHT];
1.1 root 796: COORD scr_buf_size;
797: COORD scr_buf_pos;
798: int scr_width, scr_height;
1.1.1.12 root 799: int scr_top;
1.1.1.10 root 800: bool restore_console_on_exit = false;
1.1 root 801: bool cursor_moved;
802:
803: FIFO *key_buf_char;
804: FIFO *key_buf_scan;
1.1.1.7 root 805: int key_input = 0;
1.1.1.4 root 806: UINT32 key_code = 0;
1.1 root 807:
808: int active_code_page;
809: int system_code_page;
810:
1.1.1.12 root 811: UINT32 text_vram_top_address;
812: UINT32 text_vram_end_address;
813: UINT32 shadow_buffer_top_address;
814: UINT32 shadow_buffer_end_address;
815: int vram_pages;
1.1 root 816: bool int_10h_feh_called = false;
817: bool int_10h_ffh_called = false;
818:
819: #endif
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