notaz.gp2x.de / pcsx_rearmed.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
psxmem: remove hard requirement for a mapping
[pcsx_rearmed.git] / libpcsxcore / psxbios.c
CommitLineData
ef79bbde
P		 1/***************************************************************************
2 * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team *
3 * *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation; either version 2 of the License, or *
7 * (at your option) any later version. *
8 * *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
13 * *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. *
18 ***************************************************************************/
19
20/*
21 * Internal simulated HLE BIOS.
22 */
23
24// TODO: implement all system calls, count the exact CPU cycles of system calls.
25
26#include "psxbios.h"
27#include "psxhw.h"
ddbaf678 28#include "gpu.h"
496d88d4 29#include <zlib.h>
ef79bbde 30
452b85f9 31#undef SysPrintf
32#define SysPrintf if (Config.PsxOut) printf
33
ef79bbde
P		 34char *biosA0n[256] = {
35// 0x00
36 "open", "lseek", "read", "write",
37 "close", "ioctl", "exit", "sys_a0_07",
38 "getc", "putc", "todigit", "atof",
39 "strtoul", "strtol", "abs", "labs",
40// 0x10
41 "atoi", "atol", "atob", "setjmp",
42 "longjmp", "strcat", "strncat", "strcmp",
43 "strncmp", "strcpy", "strncpy", "strlen",
44 "index", "rindex", "strchr", "strrchr",
45// 0x20
46 "strpbrk", "strspn", "strcspn", "strtok",
47 "strstr", "toupper", "tolower", "bcopy",
48 "bzero", "bcmp", "memcpy", "memset",
49 "memmove", "memcmp", "memchr", "rand",
50// 0x30
51 "srand", "qsort", "strtod", "malloc",
52 "free", "lsearch", "bsearch", "calloc",
53 "realloc", "InitHeap", "_exit", "getchar",
54 "putchar", "gets", "puts", "printf",
55// 0x40
56 "sys_a0_40", "LoadTest", "Load", "Exec",
57 "FlushCache", "InstallInterruptHandler", "GPU_dw", "mem2vram",
58 "SendGPUStatus", "GPU_cw", "GPU_cwb", "SendPackets",
59 "sys_a0_4c", "GetGPUStatus", "GPU_sync", "sys_a0_4f",
60// 0x50
61 "sys_a0_50", "LoadExec", "GetSysSp", "sys_a0_53",
62 "_96_init()", "_bu_init()", "_96_remove()", "sys_a0_57",
63 "sys_a0_58", "sys_a0_59", "sys_a0_5a", "dev_tty_init",
64 "dev_tty_open", "sys_a0_5d", "dev_tty_ioctl","dev_cd_open",
65// 0x60
66 "dev_cd_read", "dev_cd_close", "dev_cd_firstfile", "dev_cd_nextfile",
67 "dev_cd_chdir", "dev_card_open", "dev_card_read", "dev_card_write",
68 "dev_card_close", "dev_card_firstfile", "dev_card_nextfile","dev_card_erase",
69 "dev_card_undelete","dev_card_format", "dev_card_rename", "dev_card_6f",
70// 0x70
71 "_bu_init", "_96_init", "_96_remove", "sys_a0_73",
72 "sys_a0_74", "sys_a0_75", "sys_a0_76", "sys_a0_77",
73 "_96_CdSeekL", "sys_a0_79", "sys_a0_7a", "sys_a0_7b",
74 "_96_CdGetStatus", "sys_a0_7d", "_96_CdRead", "sys_a0_7f",
75// 0x80
76 "sys_a0_80", "sys_a0_81", "sys_a0_82", "sys_a0_83",
77 "sys_a0_84", "_96_CdStop", "sys_a0_86", "sys_a0_87",
78 "sys_a0_88", "sys_a0_89", "sys_a0_8a", "sys_a0_8b",
79 "sys_a0_8c", "sys_a0_8d", "sys_a0_8e", "sys_a0_8f",
80// 0x90
81 "sys_a0_90", "sys_a0_91", "sys_a0_92", "sys_a0_93",
82 "sys_a0_94", "sys_a0_95", "AddCDROMDevice", "AddMemCardDevide",
83 "DisableKernelIORedirection", "EnableKernelIORedirection", "sys_a0_9a", "sys_a0_9b",
84 "SetConf", "GetConf", "sys_a0_9e", "SetMem",
85// 0xa0
86 "_boot", "SystemError", "EnqueueCdIntr", "DequeueCdIntr",
87 "sys_a0_a4", "ReadSector", "get_cd_status", "bufs_cb_0",
88 "bufs_cb_1", "bufs_cb_2", "bufs_cb_3", "_card_info",
89 "_card_load", "_card_auto", "bufs_cd_4", "sys_a0_af",
90// 0xb0
91 "sys_a0_b0", "sys_a0_b1", "do_a_long_jmp", "sys_a0_b3",
92 "?? sub_function",
93};
94
95char *biosB0n[256] = {
96// 0x00
97 "SysMalloc", "sys_b0_01", "sys_b0_02", "sys_b0_03",
98 "sys_b0_04", "sys_b0_05", "sys_b0_06", "DeliverEvent",
99 "OpenEvent", "CloseEvent", "WaitEvent", "TestEvent",
100 "EnableEvent", "DisableEvent", "OpenTh", "CloseTh",
101// 0x10
102 "ChangeTh", "sys_b0_11", "InitPAD", "StartPAD",
103 "StopPAD", "PAD_init", "PAD_dr", "ReturnFromExecption",
104 "ResetEntryInt", "HookEntryInt", "sys_b0_1a", "sys_b0_1b",
105 "sys_b0_1c", "sys_b0_1d", "sys_b0_1e", "sys_b0_1f",
106// 0x20
107 "UnDeliverEvent", "sys_b0_21", "sys_b0_22", "sys_b0_23",
108 "sys_b0_24", "sys_b0_25", "sys_b0_26", "sys_b0_27",
109 "sys_b0_28", "sys_b0_29", "sys_b0_2a", "sys_b0_2b",
110 "sys_b0_2c", "sys_b0_2d", "sys_b0_2e", "sys_b0_2f",
111// 0x30
112 "sys_b0_30", "sys_b0_31", "open", "lseek",
113 "read", "write", "close", "ioctl",
114 "exit", "sys_b0_39", "getc", "putc",
115 "getchar", "putchar", "gets", "puts",
116// 0x40
117 "cd", "format", "firstfile", "nextfile",
118 "rename", "delete", "undelete", "AddDevice",
119 "RemoteDevice", "PrintInstalledDevices", "InitCARD", "StartCARD",
120 "StopCARD", "sys_b0_4d", "_card_write", "_card_read",
121// 0x50
122 "_new_card", "Krom2RawAdd", "sys_b0_52", "sys_b0_53",
123 "_get_errno", "_get_error", "GetC0Table", "GetB0Table",
124 "_card_chan", "sys_b0_59", "sys_b0_5a", "ChangeClearPAD",
125 "_card_status", "_card_wait",
126};
127
128char *biosC0n[256] = {
129// 0x00
130 "InitRCnt", "InitException", "SysEnqIntRP", "SysDeqIntRP",
131 "get_free_EvCB_slot", "get_free_TCB_slot", "ExceptionHandler", "InstallExeptionHandler",
132 "SysInitMemory", "SysInitKMem", "ChangeClearRCnt", "SystemError",
133 "InitDefInt", "sys_c0_0d", "sys_c0_0e", "sys_c0_0f",
134// 0x10
135 "sys_c0_10", "sys_c0_11", "InstallDevices", "FlushStfInOutPut",
136 "sys_c0_14", "_cdevinput", "_cdevscan", "_circgetc",
137 "_circputc", "ioabort", "sys_c0_1a", "KernelRedirect",
138 "PatchAOTable",
139};
140
141//#define r0 (psxRegs.GPR.n.r0)
142#define at (psxRegs.GPR.n.at)
143#define v0 (psxRegs.GPR.n.v0)
144#define v1 (psxRegs.GPR.n.v1)
145#define a0 (psxRegs.GPR.n.a0)
146#define a1 (psxRegs.GPR.n.a1)
147#define a2 (psxRegs.GPR.n.a2)
148#define a3 (psxRegs.GPR.n.a3)
149#define t0 (psxRegs.GPR.n.t0)
150#define t1 (psxRegs.GPR.n.t1)
151#define t2 (psxRegs.GPR.n.t2)
152#define t3 (psxRegs.GPR.n.t3)
153#define t4 (psxRegs.GPR.n.t4)
154#define t5 (psxRegs.GPR.n.t5)
155#define t6 (psxRegs.GPR.n.t6)
156#define t7 (psxRegs.GPR.n.t7)
157#define t8 (psxRegs.GPR.n.t8)
158#define t9 (psxRegs.GPR.n.t9)
159#define s0 (psxRegs.GPR.n.s0)
160#define s1 (psxRegs.GPR.n.s1)
161#define s2 (psxRegs.GPR.n.s2)
162#define s3 (psxRegs.GPR.n.s3)
163#define s4 (psxRegs.GPR.n.s4)
164#define s5 (psxRegs.GPR.n.s5)
165#define s6 (psxRegs.GPR.n.s6)
166#define s7 (psxRegs.GPR.n.s7)
167#define k0 (psxRegs.GPR.n.k0)
168#define k1 (psxRegs.GPR.n.k1)
169#define gp (psxRegs.GPR.n.gp)
170#define sp (psxRegs.GPR.n.sp)
171#define fp (psxRegs.GPR.n.s8)
172#define ra (psxRegs.GPR.n.ra)
173#define pc0 (psxRegs.pc)
174
175#define Ra0 ((char *)PSXM(a0))
176#define Ra1 ((char *)PSXM(a1))
177#define Ra2 ((char *)PSXM(a2))
178#define Ra3 ((char *)PSXM(a3))
179#define Rv0 ((char *)PSXM(v0))
180#define Rsp ((char *)PSXM(sp))
181
182typedef struct {
183 u32 desc;
184 s32 status;
185 s32 mode;
186 u32 fhandler;
187} EvCB[32];
188
189#define EvStUNUSED 0x0000
190#define EvStWAIT 0x1000
191#define EvStACTIVE 0x2000
192#define EvStALREADY 0x4000
193
194#define EvMdINTR 0x1000
195#define EvMdNOINTR 0x2000
196
197/*
198typedef struct {
199 s32 next;
200 s32 func1;
201 s32 func2;
202 s32 pad;
203} SysRPst;
204*/
205
206typedef struct {
207 s32 status;
208 s32 mode;
209 u32 reg[32];
210 u32 func;
211} TCB;
212
213typedef struct {
214 u32 _pc0;
215 u32 gp0;
216 u32 t_addr;
217 u32 t_size;
218 u32 d_addr;
219 u32 d_size;
220 u32 b_addr;
221 u32 b_size;
222 u32 S_addr;
223 u32 s_size;
224 u32 _sp, _fp, _gp, ret, base;
225} EXEC;
226
227struct DIRENTRY {
228 char name[20];
229 s32 attr;
230 s32 size;
231 u32 next;
232 s32 head;
233 char system[4];
234};
235
236typedef struct {
237 char name[32];
238 u32 mode;
239 u32 offset;
240 u32 size;
241 u32 mcfile;
242} FileDesc;
243
244static u32 *jmp_int = NULL;
245static int *pad_buf = NULL;
246static char *pad_buf1 = NULL, *pad_buf2 = NULL;
247static int pad_buf1len, pad_buf2len;
248
249static u32 regs[35];
250static EvCB *Event;
251static EvCB *HwEV; // 0xf0
252static EvCB *EvEV; // 0xf1
253static EvCB *RcEV; // 0xf2
254static EvCB *UeEV; // 0xf3
255static EvCB *SwEV; // 0xf4
256static EvCB *ThEV; // 0xff
257static u32 *heap_addr = NULL;
258static u32 *heap_end = NULL;
259static u32 SysIntRP[8];
260static int CardState = -1;
261static TCB Thread[8];
262static int CurThread = 0;
263static FileDesc FDesc[32];
e9fda093 264static u32 card_active_chan;
ef79bbde
P		 265
266boolean hleSoftCall = FALSE;
267
268static inline void softCall(u32 pc) {
269 pc0 = pc;
270 ra = 0x80001000;
271
272 hleSoftCall = TRUE;
273
274 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
275
276 hleSoftCall = FALSE;
277}
278
279static inline void softCall2(u32 pc) {
280 u32 sra = ra;
281 pc0 = pc;
282 ra = 0x80001000;
283
284 hleSoftCall = TRUE;
285
286 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
287 ra = sra;
288
289 hleSoftCall = FALSE;
290}
291
292static inline void DeliverEvent(u32 ev, u32 spec) {
293 if (Event[ev][spec].status != EvStACTIVE) return;
294
295// Event[ev][spec].status = EvStALREADY;
296 if (Event[ev][spec].mode == EvMdINTR) {
297 softCall2(Event[ev][spec].fhandler);
298 } else Event[ev][spec].status = EvStALREADY;
299}
300
301static inline void SaveRegs() {
302 memcpy(regs, psxRegs.GPR.r, 32*4);
303 regs[32] = psxRegs.GPR.n.lo;
304 regs[33] = psxRegs.GPR.n.hi;
305 regs[34] = psxRegs.pc;
306}
307
308static inline void LoadRegs() {
309 memcpy(psxRegs.GPR.r, regs, 32*4);
310 psxRegs.GPR.n.lo = regs[32];
311 psxRegs.GPR.n.hi = regs[33];
312}
313
314/* *
315// *
316// *
317// System calls A0 */
318
319
320void psxBios_abs() { // 0x0e
321 if ((s32)a0 < 0) v0 = -(s32)a0;
322 else v0 = a0;
323 pc0 = ra;
324}
325
326void psxBios_labs() { // 0x0f
327 psxBios_abs();
328}
329
330void psxBios_atoi() { // 0x10
331 s32 n = 0, f = 0;
332 char *p = (char *)Ra0;
333
334 for (;;p++) {
335 switch (*p) {
336 case ' ': case '\t': continue;
337 case '-': f++;
338 case '+': p++;
339 }
340 break;
341 }
342
343 while (*p >= '0' && *p <= '9') {
344 n = n * 10 + *p++ - '0';
345 }
346
347 v0 = (f ? -n : n);
348 pc0 = ra;
349}
350
351void psxBios_atol() { // 0x11
352 psxBios_atoi();
353}
354
355void psxBios_setjmp() { // 0x13
356 u32 *jmp_buf = (u32 *)Ra0;
357 int i;
358
359#ifdef PSXBIOS_LOG
360 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]);
361#endif
362
363 jmp_buf[0] = ra;
364 jmp_buf[1] = sp;
365 jmp_buf[2] = fp;
366 for (i = 0; i < 8; i++) // s0-s7
367 jmp_buf[3 + i] = psxRegs.GPR.r[16 + i];
368 jmp_buf[11] = gp;
369
370 v0 = 0; pc0 = ra;
371}
372
373void psxBios_longjmp() { // 0x14
374 u32 *jmp_buf = (u32 *)Ra0;
375 int i;
376
377#ifdef PSXBIOS_LOG
378 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]);
379#endif
380
381 ra = jmp_buf[0]; /* ra */
382 sp = jmp_buf[1]; /* sp */
383 fp = jmp_buf[2]; /* fp */
384 for (i = 0; i < 8; i++) // s0-s7
385 psxRegs.GPR.r[16 + i] = jmp_buf[3 + i];
386 gp = jmp_buf[11]; /* gp */
387
388 v0 = a1; pc0 = ra;
389}
390
391void psxBios_strcat() { // 0x15
392 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
393
394#ifdef PSXBIOS_LOG
395 PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1);
396#endif
397
398 while (*p1++);
399 --p1;
400 while ((*p1++ = *p2++) != '\0');
401
402 v0 = a0; pc0 = ra;
403}
404
405void psxBios_strncat() { // 0x16
406 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
407 s32 n = a2;
408
409#ifdef PSXBIOS_LOG
410 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2);
411#endif
412
413 while (*p1++);
414 --p1;
415 while ((*p1++ = *p2++) != '\0') {
416 if (--n < 0) {
417 *--p1 = '\0';
418 break;
419 }
420 }
421
422 v0 = a0; pc0 = ra;
423}
424
425void psxBios_strcmp() { // 0x17
426 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
427
428#ifdef PSXBIOS_LOG
429 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1);
430#endif
431
432 while (*p1 == *p2++) {
433 if (*p1++ == '\0') {
434 v0 = 0;
435 pc0 = ra;
436 return;
437 }
438 }
439
440 v0 = (*p1 - *--p2);
441 pc0 = ra;
442}
443
444void psxBios_strncmp() { // 0x18
445 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
446 s32 n = a2;
447
448#ifdef PSXBIOS_LOG
449 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2);
450#endif
451
452 while (--n >= 0 && *p1 == *p2++) {
453 if (*p1++ == '\0') {
454 v0 = 0;
455 pc0 = ra;
456 return;
457 }
458 }
459
460 v0 = (n < 0 ? 0 : *p1 - *--p2);
461 pc0 = ra;
462}
463
464void psxBios_strcpy() { // 0x19
465 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
466 while ((*p1++ = *p2++) != '\0');
467
468 v0 = a0; pc0 = ra;
469}
470
471void psxBios_strncpy() { // 0x1a
472 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
473 s32 n = a2, i;
474
475 for (i = 0; i < n; i++) {
476 if ((*p1++ = *p2++) == '\0') {
477 while (++i < n) {
478 *p1++ = '\0';
479 }
480 v0 = a0; pc0 = ra;
481 return;
482 }
483 }
484
485 v0 = a0; pc0 = ra;
486}
487
488void psxBios_strlen() { // 0x1b
489 char *p = (char *)Ra0;
490 v0 = 0;
491 while (*p++) v0++;
492 pc0 = ra;
493}
494
495void psxBios_index() { // 0x1c
496 char *p = (char *)Ra0;
497
498 do {
499 if (*p == a1) {
500 v0 = a0 + (p - (char *)Ra0);
501 pc0 = ra;
502 return;
503 }
504 } while (*p++ != '\0');
505
506 v0 = 0; pc0 = ra;
507}
508
509void psxBios_rindex() { // 0x1d
510 char *p = (char *)Ra0;
511
512 v0 = 0;
513
514 do {
515 if (*p == a1)
516 v0 = a0 + (p - (char *)Ra0);
517 } while (*p++ != '\0');
518
519 pc0 = ra;
520}
521
522void psxBios_strchr() { // 0x1e
523 psxBios_index();
524}
525
526void psxBios_strrchr() { // 0x1f
527 psxBios_rindex();
528}
529
530void psxBios_strpbrk() { // 0x20
531 char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc;
532
533 while ((c = *p1++) != '\0') {
534 for (scanp = p2; (sc = *scanp++) != '\0';) {
535 if (sc == c) {
536 v0 = a0 + (p1 - 1 - (char *)Ra0);
537 pc0 = ra;
538 return;
539 }
540 }
541 }
542
543 // BUG: return a0 instead of NULL if not found
544 v0 = a0; pc0 = ra;
545}
546
547void psxBios_strspn() { // 0x21
548 char *p1, *p2;
549
550 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
551 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
552 if (*p2 == '\0') break;
553 }
554
555 v0 = p1 - (char *)Ra0; pc0 = ra;
556}
557
558void psxBios_strcspn() { // 0x22
559 char *p1, *p2;
560
561 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
562 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
563 if (*p2 != '\0') break;
564 }
565
566 v0 = p1 - (char *)Ra0; pc0 = ra;
567}
568
569void psxBios_strtok() { // 0x23
570 char *pcA0 = (char *)Ra0;
571 char *pcRet = strtok(pcA0, (char *)Ra1);
572 if (pcRet)
573 v0 = a0 + pcRet - pcA0;
574 else
575 v0 = 0;
576 pc0 = ra;
577}
578
579void psxBios_strstr() { // 0x24
580 char *p = (char *)Ra0, *p1, *p2;
581
582 while (*p != '\0') {
583 p1 = p;
584 p2 = (char *)Ra1;
585
586 while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) {
587 p1++; p2++;
588 }
589
590 if (*p2 == '\0') {
591 v0 = a0 + (p - (char *)Ra0);
592 pc0 = ra;
593 return;
594 }
595
596 p++;
597 }
598
599 v0 = 0; pc0 = ra;
600}
601
602void psxBios_toupper() { // 0x25
603 v0 = (s8)(a0 & 0xff);
604 if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A';
605 pc0 = ra;
606}
607
608void psxBios_tolower() { // 0x26
609 v0 = (s8)(a0 & 0xff);
610 if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A';
611 pc0 = ra;
612}
613
614void psxBios_bcopy() { // 0x27
615 char *p1 = (char *)Ra1, *p2 = (char *)Ra0;
616 while (a2-- > 0) *p1++ = *p2++;
617
618 pc0 = ra;
619}
620
621void psxBios_bzero() { // 0x28
622 char *p = (char *)Ra0;
623 while (a1-- > 0) *p++ = '\0';
624
625 pc0 = ra;
626}
627
628void psxBios_bcmp() { // 0x29
629 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
630
631 if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; }
632
633 while (a2-- > 0) {
634 if (*p1++ != *p2++) {
635 v0 = *p1 - *p2; // BUG: compare the NEXT byte
636 pc0 = ra;
637 return;
638 }
639 }
640
641 v0 = 0; pc0 = ra;
642}
643
644void psxBios_memcpy() { // 0x2a
645 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
646 while (a2-- > 0) *p1++ = *p2++;
647
648 v0 = a0; pc0 = ra;
649}
650
651void psxBios_memset() { // 0x2b
652 char *p = (char *)Ra0;
653 while (a2-- > 0) *p++ = (char)a1;
654
655 v0 = a0; pc0 = ra;
656}
657
658void psxBios_memmove() { // 0x2c
659 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
660
661 if (p2 <= p1 && p2 + a2 > p1) {
662 a2++; // BUG: copy one more byte here
663 p1 += a2;
664 p2 += a2;
665 while (a2-- > 0) *--p1 = *--p2;
666 } else {
667 while (a2-- > 0) *p1++ = *p2++;
668 }
669
670 v0 = a0; pc0 = ra;
671}
672
673void psxBios_memcmp() { // 0x2d
674 psxBios_bcmp();
675}
676
677void psxBios_memchr() { // 0x2e
678 char *p = (char *)Ra0;
679
680 while (a2-- > 0) {
681 if (*p++ != (s8)a1) continue;
682 v0 = a0 + (p - (char *)Ra0 - 1);
683 pc0 = ra;
684 return;
685 }
686
687 v0 = 0; pc0 = ra;
688}
689
690void psxBios_rand() { // 0x2f
691 u32 s = psxMu32(0x9010) * 1103515245 + 12345;
692 v0 = (s >> 16) & 0x7fff;
693 psxMu32ref(0x9010) = SWAPu32(s);
694 pc0 = ra;
695}
696
697void psxBios_srand() { // 0x30
698 psxMu32ref(0x9010) = SWAPu32(a0);
699 pc0 = ra;
700}
701
702static u32 qscmpfunc, qswidth;
703
704static inline int qscmp(char *a, char *b) {
705 u32 sa0 = a0;
706
707 a0 = sa0 + (a - (char *)PSXM(sa0));
708 a1 = sa0 + (b - (char *)PSXM(sa0));
709
710 softCall2(qscmpfunc);
711
712 a0 = sa0;
713 return (s32)v0;
714}
715
716static inline void qexchange(char *i, char *j) {
717 char t;
718 int n = qswidth;
719
720 do {
721 t = *i;
722 *i++ = *j;
723 *j++ = t;
724 } while (--n);
725}
726
727static inline void q3exchange(char *i, char *j, char *k) {
728 char t;
729 int n = qswidth;
730
731 do {
732 t = *i;
733 *i++ = *k;
734 *k++ = *j;
735 *j++ = t;
736 } while (--n);
737}
738
739static void qsort_main(char *a, char *l) {
740 char *i, *j, *lp, *hp;
741 int c;
742 unsigned int n;
743
744start:
745 if ((n = l - a) <= qswidth)
746 return;
747 n = qswidth * (n / (2 * qswidth));
748 hp = lp = a + n;
749 i = a;
750 j = l - qswidth;
751 while (TRUE) {
752 if (i < lp) {
753 if ((c = qscmp(i, lp)) == 0) {
754 qexchange(i, lp -= qswidth);
755 continue;
756 }
757 if (c < 0) {
758 i += qswidth;
759 continue;
760 }
761 }
762
763loop:
764 if (j > hp) {
765 if ((c = qscmp(hp, j)) == 0) {
766 qexchange(hp += qswidth, j);
767 goto loop;
768 }
769 if (c > 0) {
770 if (i == lp) {
771 q3exchange(i, hp += qswidth, j);
772 i = lp += qswidth;
773 goto loop;
774 }
775 qexchange(i, j);
776 j -= qswidth;
777 i += qswidth;
778 continue;
779 }
780 j -= qswidth;
781 goto loop;
782 }
783
784 if (i == lp) {
785 if (lp - a >= l - hp) {
786 qsort_main(hp + qswidth, l);
787 l = lp;
788 } else {
789 qsort_main(a, lp);
790 a = hp + qswidth;
791 }
792 goto start;
793 }
794
795 q3exchange(j, lp -= qswidth, i);
796 j = hp -= qswidth;
797 }
798}
799
800void psxBios_qsort() { // 0x31
801 qswidth = a2;
802 qscmpfunc = a3;
803 qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
804
805 pc0 = ra;
806}
807
808void psxBios_malloc() { // 0x33
808a13bd 809 unsigned int *chunk, *newchunk = NULL;
810 unsigned int dsize = 0, csize, cstat;
ef79bbde
P		 811 int colflag;
812#ifdef PSXBIOS_LOG
813 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
814#endif
815
816 // scan through heap and combine free chunks of space
817 chunk = heap_addr;
818 colflag = 0;
819 while(chunk < heap_end) {
820 // get size and status of actual chunk
821 csize = ((u32)*chunk) & 0xfffffffc;
822 cstat = ((u32)*chunk) & 1;
823
824 // it's a free chunk
825 if(cstat == 1) {
826 if(colflag == 0) {
827 newchunk = chunk;
828 dsize = csize;
829 colflag = 1; // let's begin a new collection of free memory
830 }
831 else dsize += (csize+4); // add the new size including header
832 }
833 // not a free chunk: did we start a collection ?
834 else {
835 if(colflag == 1) { // collection is over
836 colflag = 0;
837 *newchunk = SWAP32(dsize | 1);
838 }
839 }
840
841 // next chunk
842 chunk = (u32*)((uptr)chunk + csize + 4);
843 }
844 // if neccessary free memory on end of heap
845 if (colflag == 1)
846 *newchunk = SWAP32(dsize | 1);
847
848 chunk = heap_addr;
849 csize = ((u32)*chunk) & 0xfffffffc;
850 cstat = ((u32)*chunk) & 1;
851 dsize = (a0 + 3) & 0xfffffffc;
852
853 // exit on uninitialized heap
854 if (chunk == NULL) {
855 SysPrintf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
856 v0 = 0;
857 pc0 = ra;
858 return;
859 }
860
861 // search an unused chunk that is big enough until the end of the heap
862 while ((dsize > csize || cstat == 0) && chunk < heap_end ) {
863 chunk = (u32*)((uptr)chunk + csize + 4);
864 csize = ((u32)*chunk) & 0xfffffffc;
865 cstat = ((u32)*chunk) & 1;
866 }
867
868 // catch out of memory
869 if(chunk >= heap_end) { SysPrintf("malloc %x,%x: Out of memory error!\n", v0, a0); v0 = 0; pc0 = ra; return; }
870
871 // allocate memory
872 if(dsize == csize) {
873 // chunk has same size
874 *chunk &= 0xfffffffc;
875 }
876 else {
877 // split free chunk
878 *chunk = SWAP32(dsize);
879 newchunk = (u32*)((uptr)chunk + dsize + 4);
808a13bd 880 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
ef79bbde
P		 881 }
882
883 // return pointer to allocated memory
884 v0 = ((unsigned long)chunk - (unsigned long)psxM) + 4;
885 v0|= 0x80000000;
886 SysPrintf ("malloc %x,%x\n", v0, a0);
887 pc0 = ra;
888}
889
890void psxBios_free() { // 0x34
891
892#ifdef PSXBIOS_LOG
893 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
894#endif
895
896 SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
897
898 *(u32*)(Ra0-4) |= 1; // set chunk to free
899 pc0 = ra;
900}
901
902void psxBios_calloc() { // 0x37
02949f79 903 void *pv0;
ef79bbde
P		 904#ifdef PSXBIOS_LOG
905 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
906#endif
907
908 a0 = a0 * a1;
909 psxBios_malloc();
02949f79 910 pv0 = Rv0;
911 if (pv0)
912 memset(pv0, 0, a0);
ef79bbde
P		 913}
914
915void psxBios_realloc() { // 0x38
916 u32 block = a0;
917 u32 size = a1;
918#ifdef PSXBIOS_LOG
919 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
920#endif
921
922 a0 = block;
923 psxBios_free();
924 a0 = size;
925 psxBios_malloc();
926}
927
928
929/* InitHeap(void *block , int n) */
930void psxBios_InitHeap() { // 0x39
931 unsigned int size;
932
933#ifdef PSXBIOS_LOG
934 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
935#endif
936
937 if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
938 else size = a1;
939
940 size &= 0xfffffffc;
941
942 heap_addr = (u32 *)Ra0;
943 heap_end = (u32 *)((u8 *)heap_addr + size);
944 *heap_addr = SWAP32(size | 1);
945
c979c3ee 946 SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
ef79bbde
P		 947
948 pc0 = ra;
949}
950
951void psxBios_getchar() { //0x3b
952 v0 = getchar(); pc0 = ra;
953}
954
955void psxBios_printf() { // 0x3f
956 char tmp[1024];
957 char tmp2[1024];
958 u32 save[4];
959 char *ptmp = tmp;
960 int n=1, i=0, j;
02949f79 961 void *psp;
962
963 psp = PSXM(sp);
964 if (psp) {
965 memcpy(save, psp, 4 * 4);
966 psxMu32ref(sp) = SWAP32((u32)a0);
967 psxMu32ref(sp + 4) = SWAP32((u32)a1);
968 psxMu32ref(sp + 8) = SWAP32((u32)a2);
969 psxMu32ref(sp + 12) = SWAP32((u32)a3);
970 }
ef79bbde
P		 971
972 while (Ra0[i]) {
973 switch (Ra0[i]) {
974 case '%':
975 j = 0;
976 tmp2[j++] = '%';
977_start:
978 switch (Ra0[++i]) {
979 case '.':
980 case 'l':
981 tmp2[j++] = Ra0[i]; goto _start;
982 default:
983 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
984 tmp2[j++] = Ra0[i];
985 goto _start;
986 }
987 break;
988 }
989 tmp2[j++] = Ra0[i];
990 tmp2[j] = 0;
991
992 switch (Ra0[i]) {
993 case 'f': case 'F':
994 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
995 case 'a': case 'A':
996 case 'e': case 'E':
997 case 'g': case 'G':
998 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
999 case 'p':
888468ff 1000 case 'i': case 'u':
ef79bbde
P		 1001 case 'd': case 'D':
1002 case 'o': case 'O':
1003 case 'x': case 'X':
1004 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
1005 case 'c':
1006 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
1007 case 's':
1008 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1009 case '%':
1010 *ptmp++ = Ra0[i]; break;
1011 }
1012 i++;
1013 break;
1014 default:
1015 *ptmp++ = Ra0[i++];
1016 }
1017 }
1018 *ptmp = 0;
1019
02949f79 1020 if (psp)
1021 memcpy(psp, save, 4 * 4);
ef79bbde 1022
808a13bd 1023 SysPrintf("%s", tmp);
ef79bbde
P		 1024
1025 pc0 = ra;
1026}
1027
1028/*
1029 * long Load(char *name, struct EXEC *header);
1030 */
1031
1032void psxBios_Load() { // 0x42
1033 EXE_HEADER eheader;
02949f79 1034 void *pa1;
ef79bbde
P		 1035
1036#ifdef PSXBIOS_LOG
1037 PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1038#endif
1039
02949f79 1040 pa1 = Ra1;
1041 if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) {
1042 memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC));
ef79bbde
P		 1043 v0 = 1;
1044 } else v0 = 0;
1045
1046 pc0 = ra;
1047}
1048
1049/*
1050 * int Exec(struct EXEC *header , int argc , char **argv);
1051 */
1052
1053void psxBios_Exec() { // 43
1054 EXEC *header = (EXEC*)Ra0;
1055 u32 tmp;
1056
1057#ifdef PSXBIOS_LOG
1058 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1059#endif
1060
1061 header->_sp = sp;
1062 header->_fp = fp;
1063 header->_sp = sp;
1064 header->_gp = gp;
1065 header->ret = ra;
1066 header->base = s0;
1067
1068 if (header->S_addr != 0) {
1069 tmp = header->S_addr + header->s_size;
1070 sp = tmp;
1071 fp = sp;
1072 }
1073
1074 gp = header->gp0;
1075
1076 s0 = a0;
1077
1078 a0 = a1;
1079 a1 = a2;
1080
1081 ra = 0x8000;
1082 pc0 = header->_pc0;
1083}
1084
1085void psxBios_FlushCache() { // 44
1086#ifdef PSXBIOS_LOG
1087 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1088#endif
1089
1090 pc0 = ra;
1091}
1092
1093void psxBios_GPU_dw() { // 0x46
1094 int size;
1095 s32 *ptr;
1096
1097#ifdef PSXBIOS_LOG
1098 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1099#endif
1100
1101 GPU_writeData(0xa0000000);
1102 GPU_writeData((a1<<16)|(a0&0xffff));
1103 GPU_writeData((a3<<16)|(a2&0xffff));
1104 size = (a2*a3+1)/2;
1105 ptr = (s32*)PSXM(Rsp[4]); //that is correct?
1106 do {
1107 GPU_writeData(SWAP32(*ptr));
1108 ptr++;
1109 } while(--size);
1110
1111 pc0 = ra;
1112}
1113
1114void psxBios_mem2vram() { // 0x47
1115 int size;
1116
1117 GPU_writeData(0xa0000000);
1118 GPU_writeData((a1<<16)|(a0&0xffff));
1119 GPU_writeData((a3<<16)|(a2&0xffff));
1120 size = (a2*a3+1)/2;
1121 GPU_writeStatus(0x04000002);
1122 psxHwWrite32(0x1f8010f4,0);
1123 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1124 psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1125 psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1126 psxHwWrite32(0x1f8010a8,0x01000201);
1127
1128 pc0 = ra;
1129}
1130
1131void psxBios_SendGPU() { // 0x48
1132 GPU_writeStatus(a0);
ddbaf678 1133 gpuSyncPluginSR();
ef79bbde
P		 1134 pc0 = ra;
1135}
1136
1137void psxBios_GPU_cw() { // 0x49
1138 GPU_writeData(a0);
1139 pc0 = ra;
1140}
1141
1142void psxBios_GPU_cwb() { // 0x4a
1143 s32 *ptr = (s32*)Ra0;
1144 int size = a1;
1145 while(size--) {
1146 GPU_writeData(SWAP32(*ptr));
1147 ptr++;
1148 }
1149
1150 pc0 = ra;
1151}
1152
1153void psxBios_GPU_SendPackets() { //4b:
1154 GPU_writeStatus(0x04000002);
1155 psxHwWrite32(0x1f8010f4,0);
1156 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1157 psxHwWrite32(0x1f8010a0,a0);
1158 psxHwWrite32(0x1f8010a4,0);
1159 psxHwWrite32(0x1f8010a8,0x010000401);
1160 pc0 = ra;
1161}
1162
1163void psxBios_sys_a0_4c() { // 0x4c GPU relate
1164 psxHwWrite32(0x1f8010a8,0x00000401);
1165 GPU_writeData(0x0400000);
1166 GPU_writeData(0x0200000);
1167 GPU_writeData(0x0100000);
1168
1169 pc0 = ra;
1170}
1171
1172void psxBios_GPU_GetGPUStatus() { // 0x4d
1173 v0 = GPU_readStatus();
1174 pc0 = ra;
1175}
1176
1177#undef s_addr
1178
1179void psxBios_LoadExec() { // 51
1180 EXEC *header = (EXEC*)PSXM(0xf000);
1181 u32 s_addr, s_size;
1182
1183#ifdef PSXBIOS_LOG
1184 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1185#endif
1186 s_addr = a1; s_size = a2;
1187
1188 a1 = 0xf000;
1189 psxBios_Load();
1190
1191 header->S_addr = s_addr;
1192 header->s_size = s_size;
1193
1194 a0 = 0xf000; a1 = 0; a2 = 0;
1195 psxBios_Exec();
1196}
1197
1198void psxBios__bu_init() { // 70
1199#ifdef PSXBIOS_LOG
1200 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1201#endif
1202
1203 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1204 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1205
1206 pc0 = ra;
1207}
1208
1209void psxBios__96_init() { // 71
1210#ifdef PSXBIOS_LOG
1211 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1212#endif
1213
1214 pc0 = ra;
1215}
1216
1217void psxBios__96_remove() { // 72
1218#ifdef PSXBIOS_LOG
1219 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1220#endif
1221
1222 pc0 = ra;
1223}
1224
1225void psxBios_SetMem() { // 9f
1226 u32 new = psxHu32(0x1060);
1227
1228#ifdef PSXBIOS_LOG
1229 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1230#endif
1231
1232 switch(a0) {
1233 case 2:
1234 psxHu32ref(0x1060) = SWAP32(new);
1235 psxMu32ref(0x060) = a0;
1236 SysPrintf("Change effective memory : %d MBytes\n",a0);
1237 break;
1238
1239 case 8:
1240 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1241 psxMu32ref(0x060) = a0;
1242 SysPrintf("Change effective memory : %d MBytes\n",a0);
1243
1244 default:
1245 SysPrintf("Effective memory must be 2/8 MBytes\n");
1246 break;
1247 }
1248
1249 pc0 = ra;
1250}
1251
1252void psxBios__card_info() { // ab
1253#ifdef PSXBIOS_LOG
1254 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1255#endif
1256
e9fda093 1257 card_active_chan = a0;
1258
ef79bbde
P		 1259// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1260 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1261
1262 v0 = 1; pc0 = ra;
1263}
1264
1265void psxBios__card_load() { // ac
1266#ifdef PSXBIOS_LOG
1267 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1268#endif
1269
e9fda093 1270 card_active_chan = a0;
1271
ef79bbde
P		 1272// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1273 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1274
1275 v0 = 1; pc0 = ra;
1276}
1277
1278/* System calls B0 */
1279
1280void psxBios_SetRCnt() { // 02
1281#ifdef PSXBIOS_LOG
1282 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1283#endif
1284
1285 a0&= 0x3;
1286 if (a0 != 3) {
1287 u32 mode=0;
1288
1289 psxRcntWtarget(a0, a1);
1290 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1291 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1292 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1293 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1294 else { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1295
1296 psxRcntWmode(a0, mode);
1297 }
1298 pc0 = ra;
1299}
1300
1301void psxBios_GetRCnt() { // 03
1302#ifdef PSXBIOS_LOG
1303 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1304#endif
1305
1306 a0&= 0x3;
1307 if (a0 != 3) v0 = psxRcntRcount(a0);
1308 else v0 = 0;
1309 pc0 = ra;
1310}
1311
1312void psxBios_StartRCnt() { // 04
1313#ifdef PSXBIOS_LOG
1314 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1315#endif
1316
1317 a0&= 0x3;
1318 if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1319 else psxHu32ref(0x1074)|= SWAPu32(0x1);
1320 v0 = 1; pc0 = ra;
1321}
1322
1323void psxBios_StopRCnt() { // 05
1324#ifdef PSXBIOS_LOG
1325 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1326#endif
1327
1328 a0&= 0x3;
1329 if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1330 else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1331 pc0 = ra;
1332}
1333
1334void psxBios_ResetRCnt() { // 06
1335#ifdef PSXBIOS_LOG
1336 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1337#endif
1338
1339 a0&= 0x3;
1340 if (a0 != 3) {
1341 psxRcntWmode(a0, 0);
1342 psxRcntWtarget(a0, 0);
1343 psxRcntWcount(a0, 0);
1344 }
1345 pc0 = ra;
1346}
1347
1348
1349/* gets ev for use with Event */
1350#define GetEv() \
1351 ev = (a0 >> 24) & 0xf; \
1352 if (ev == 0xf) ev = 0x5; \
1353 ev*= 32; \
1354 ev+= a0&0x1f;
1355
1356/* gets spec for use with Event */
1357#define GetSpec() \
1358 spec = 0; \
1359 switch (a1) { \
1360 case 0x0301: spec = 16; break; \
1361 case 0x0302: spec = 17; break; \
1362 default: \
1363 for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1364 break; \
1365 }
1366
1367void psxBios_DeliverEvent() { // 07
1368 int ev, spec;
1369 int i;
1370
1371 GetEv();
1372 GetSpec();
1373
1374#ifdef PSXBIOS_LOG
1375 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1376#endif
1377
1378 DeliverEvent(ev, spec);
1379
1380 pc0 = ra;
1381}
1382
1383void psxBios_OpenEvent() { // 08
1384 int ev, spec;
1385 int i;
1386
1387 GetEv();
1388 GetSpec();
1389
1390#ifdef PSXBIOS_LOG
1391 PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1392#endif
1393
1394 Event[ev][spec].status = EvStWAIT;
1395 Event[ev][spec].mode = a2;
1396 Event[ev][spec].fhandler = a3;
1397
1398 v0 = ev | (spec << 8);
1399 pc0 = ra;
1400}
1401
1402void psxBios_CloseEvent() { // 09
1403 int ev, spec;
1404
1405 ev = a0 & 0xff;
1406 spec = (a0 >> 8) & 0xff;
1407
1408#ifdef PSXBIOS_LOG
1409 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1410#endif
1411
1412 Event[ev][spec].status = EvStUNUSED;
1413
1414 v0 = 1; pc0 = ra;
1415}
1416
1417void psxBios_WaitEvent() { // 0a
1418 int ev, spec;
1419
1420 ev = a0 & 0xff;
1421 spec = (a0 >> 8) & 0xff;
1422
1423#ifdef PSXBIOS_LOG
1424 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1425#endif
1426
1427 Event[ev][spec].status = EvStACTIVE;
1428
1429 v0 = 1; pc0 = ra;
1430}
1431
1432void psxBios_TestEvent() { // 0b
1433 int ev, spec;
1434
1435 ev = a0 & 0xff;
1436 spec = (a0 >> 8) & 0xff;
1437
1438 if (Event[ev][spec].status == EvStALREADY) {
1439 Event[ev][spec].status = EvStACTIVE; v0 = 1;
1440 } else v0 = 0;
1441
1442#ifdef PSXBIOS_LOG
1443 PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1444#endif
1445
1446 pc0 = ra;
1447}
1448
1449void psxBios_EnableEvent() { // 0c
1450 int ev, spec;
1451
1452 ev = a0 & 0xff;
1453 spec = (a0 >> 8) & 0xff;
1454
1455#ifdef PSXBIOS_LOG
1456 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1457#endif
1458
1459 Event[ev][spec].status = EvStACTIVE;
1460
1461 v0 = 1; pc0 = ra;
1462}
1463
1464void psxBios_DisableEvent() { // 0d
1465 int ev, spec;
1466
1467 ev = a0 & 0xff;
1468 spec = (a0 >> 8) & 0xff;
1469
1470#ifdef PSXBIOS_LOG
1471 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1472#endif
1473
1474 Event[ev][spec].status = EvStWAIT;
1475
1476 v0 = 1; pc0 = ra;
1477}
1478
1479/*
1480 * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1481 */
1482
1483void psxBios_OpenTh() { // 0e
1484 int th;
1485
1486 for (th=1; th<8; th++)
1487 if (Thread[th].status == 0) break;
1488
1489#ifdef PSXBIOS_LOG
1490 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1491#endif
1492
1493 Thread[th].status = 1;
1494 Thread[th].func = a0;
1495 Thread[th].reg[29] = a1;
1496 Thread[th].reg[28] = a2;
1497
1498 v0 = th; pc0 = ra;
1499}
1500
1501/*
1502 * int CloseTh(long thread);
1503 */
1504
1505void psxBios_CloseTh() { // 0f
1506 int th = a0 & 0xff;
1507
1508#ifdef PSXBIOS_LOG
1509 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1510#endif
1511
1512 if (Thread[th].status == 0) {
1513 v0 = 0;
1514 } else {
1515 Thread[th].status = 0;
1516 v0 = 1;
1517 }
1518
1519 pc0 = ra;
1520}
1521
1522/*
1523 * int ChangeTh(long thread);
1524 */
1525
1526void psxBios_ChangeTh() { // 10
1527 int th = a0 & 0xff;
1528
1529#ifdef PSXBIOS_LOG
1530// PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1531#endif
1532
1533 if (Thread[th].status == 0 || CurThread == th) {
1534 v0 = 0;
1535
1536 pc0 = ra;
1537 } else {
1538 v0 = 1;
1539
1540 if (Thread[CurThread].status == 2) {
1541 Thread[CurThread].status = 1;
1542 Thread[CurThread].func = ra;
1543 memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1544 }
1545
1546 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1547 pc0 = Thread[th].func;
1548 Thread[th].status = 2;
1549 CurThread = th;
1550 }
1551}
1552
1553void psxBios_InitPAD() { // 0x12
1554#ifdef PSXBIOS_LOG
1555 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1556#endif
1557
1558 pad_buf1 = (char*)Ra0;
1559 pad_buf1len = a1;
1560 pad_buf2 = (char*)Ra2;
1561 pad_buf2len = a3;
1562
1563 v0 = 1; pc0 = ra;
1564}
1565
1566void psxBios_StartPAD() { // 13
1567#ifdef PSXBIOS_LOG
1568 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1569#endif
1570
1571 psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1572 psxRegs.CP0.n.Status |= 0x401;
1573 pc0 = ra;
1574}
1575
1576void psxBios_StopPAD() { // 14
1577#ifdef PSXBIOS_LOG
1578 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1579#endif
1580
1581 pad_buf1 = NULL;
1582 pad_buf2 = NULL;
1583 pc0 = ra;
1584}
1585
1586void psxBios_PAD_init() { // 15
1587#ifdef PSXBIOS_LOG
1588 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1589#endif
1590 psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1591 pad_buf = (int *)Ra1;
1592 *pad_buf = -1;
1593 psxRegs.CP0.n.Status |= 0x401;
1594 pc0 = ra;
1595}
1596
1597void psxBios_PAD_dr() { // 16
1598#ifdef PSXBIOS_LOG
1599 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1600#endif
1601
1602 v0 = -1; pc0 = ra;
1603}
1604
1605void psxBios_ReturnFromException() { // 17
1606 LoadRegs();
1607
1608 pc0 = psxRegs.CP0.n.EPC;
1609 if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1610
1611 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1612 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1613}
1614
1615void psxBios_ResetEntryInt() { // 18
1616#ifdef PSXBIOS_LOG
1617 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1618#endif
1619
1620 jmp_int = NULL;
1621 pc0 = ra;
1622}
1623
1624void psxBios_HookEntryInt() { // 19
1625#ifdef PSXBIOS_LOG
1626 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
1627#endif
1628
1629 jmp_int = (u32*)Ra0;
1630 pc0 = ra;
1631}
1632
1633void psxBios_UnDeliverEvent() { // 0x20
1634 int ev, spec;
1635 int i;
1636
1637 GetEv();
1638 GetSpec();
1639
1640#ifdef PSXBIOS_LOG
1641 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
1642#endif
1643
1644 if (Event[ev][spec].status == EvStALREADY &&
1645 Event[ev][spec].mode == EvMdNOINTR)
1646 Event[ev][spec].status = EvStACTIVE;
1647
1648 pc0 = ra;
1649}
1650
1651#define buopen(mcd) { \
1652 strcpy(FDesc[1 + mcd].name, Ra0+5); \
1653 FDesc[1 + mcd].offset = 0; \
1654 FDesc[1 + mcd].mode = a1; \
1655 \
1656 for (i=1; i<16; i++) { \
1657 ptr = Mcd##mcd##Data + 128 * i; \
1658 if ((*ptr & 0xF0) != 0x50) continue; \
1659 if (strcmp(FDesc[1 + mcd].name, ptr+0xa)) continue; \
1660 FDesc[1 + mcd].mcfile = i; \
1661 SysPrintf("open %s\n", ptr+0xa); \
1662 v0 = 1 + mcd; \
1663 break; \
1664 } \
1665 if (a1 & 0x200 && v0 == -1) { /* FCREAT */ \
1666 for (i=1; i<16; i++) { \
1667 int j, xor = 0; \
1668 \
1669 ptr = Mcd##mcd##Data + 128 * i; \
1670 if ((*ptr & 0xF0) == 0x50) continue; \
1671 ptr[0] = 0x50 | (u8)(a1 >> 16); \
1672 ptr[4] = 0x00; \
1673 ptr[5] = 0x20; \
1674 ptr[6] = 0x00; \
1675 ptr[7] = 0x00; \
1676 ptr[8] = 'B'; \
1677 ptr[9] = 'I'; \
1678 strcpy(ptr+0xa, FDesc[1 + mcd].name); \
1679 for (j=0; j<127; j++) xor^= ptr[j]; \
1680 ptr[127] = xor; \
1681 FDesc[1 + mcd].mcfile = i; \
1682 SysPrintf("openC %s\n", ptr); \
1683 v0 = 1 + mcd; \
1684 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 128); \
1685 break; \
1686 } \
1687 } \
1688}
1689
1690/*
1691 * int open(char *name , int mode);
1692 */
1693
1694void psxBios_open() { // 0x32
1695 int i;
1696 char *ptr;
02949f79 1697 void *pa0 = Ra0;
ef79bbde
P		 1698
1699#ifdef PSXBIOS_LOG
1700 PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
1701#endif
1702
1703 v0 = -1;
1704
02949f79 1705 if (pa0) {
1706 if (!strncmp(pa0, "bu00", 4)) {
1707 buopen(1);
1708 }
ef79bbde 1709
02949f79 1710 if (!strncmp(pa0, "bu10", 4)) {
1711 buopen(2);
1712 }
ef79bbde
P		 1713 }
1714
1715 pc0 = ra;
1716}
1717
1718/*
1719 * int lseek(int fd , int offset , int whence);
1720 */
1721
1722void psxBios_lseek() { // 0x33
1723#ifdef PSXBIOS_LOG
1724 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
1725#endif
1726
1727 switch (a2) {
1728 case 0: // SEEK_SET
1729 FDesc[a0].offset = a1;
1730 v0 = a1;
1731// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1732// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1733 break;
1734
1735 case 1: // SEEK_CUR
1736 FDesc[a0].offset+= a1;
1737 v0 = FDesc[a0].offset;
1738 break;
1739 }
1740
1741 pc0 = ra;
1742}
1743
02949f79 1744#define buread(Ra1, mcd) { \
ef79bbde
P		 1745 SysPrintf("read %d: %x,%x (%s)\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2, Mcd##mcd##Data + 128 * FDesc[1 + mcd].mcfile + 0xa); \
1746 ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1747 memcpy(Ra1, ptr, a2); \
1748 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1749 else v0 = a2; \
1750 FDesc[1 + mcd].offset += v0; \
1751 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1752 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
1753}
1754
1755/*
1756 * int read(int fd , void *buf , int nbytes);
1757 */
1758
1759void psxBios_read() { // 0x34
1760 char *ptr;
02949f79 1761 void *pa1 = Ra1;
ef79bbde
P		 1762
1763#ifdef PSXBIOS_LOG
1764 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
1765#endif
1766
1767 v0 = -1;
1768
02949f79 1769 if (pa1) {
1770 switch (a0) {
1771 case 2: buread(pa1, 1); break;
1772 case 3: buread(pa1, 2); break;
1773 }
ef79bbde
P		 1774 }
1775
1776 pc0 = ra;
1777}
1778
02949f79 1779#define buwrite(Ra1, mcd) { \
ef79bbde
P		 1780 u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1781 SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \
1782 ptr = Mcd##mcd##Data + offset; \
1783 memcpy(ptr, Ra1, a2); \
1784 FDesc[1 + mcd].offset += a2; \
1785 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, offset, a2); \
1786 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1787 else v0 = a2; \
1788 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1789 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
1790}
1791
1792/*
1793 * int write(int fd , void *buf , int nbytes);
1794 */
1795
1796void psxBios_write() { // 0x35/0x03
1797 char *ptr;
02949f79 1798 void *pa1 = Ra1;
1799
1800#ifdef PSXBIOS_LOG
1801 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
1802#endif
1803
1804 v0 = -1;
1805 if (!pa1) {
1806 pc0 = ra;
1807 return;
1808 }
ef79bbde
P		 1809
1810 if (a0 == 1) { // stdout
02949f79 1811 char *ptr = pa1;
ef79bbde 1812
02949f79 1813 v0 = a2;
ef79bbde
P		 1814 while (a2 > 0) {
1815 SysPrintf("%c", *ptr++); a2--;
1816 }
1817 pc0 = ra; return;
1818 }
ef79bbde
P		 1819
1820 switch (a0) {
02949f79 1821 case 2: buwrite(pa1, 1); break;
1822 case 3: buwrite(pa1, 2); break;
ef79bbde
P		 1823 }
1824
1825 pc0 = ra;
1826}
1827
1828/*
1829 * int close(int fd);
1830 */
1831
1832void psxBios_close() { // 0x36
1833#ifdef PSXBIOS_LOG
1834 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
1835#endif
1836
1837 v0 = a0;
1838 pc0 = ra;
1839}
1840
1841void psxBios_putchar() { // 3d
1842 SysPrintf("%c", (char)a0);
1843 pc0 = ra;
1844}
1845
1846void psxBios_puts() { // 3e/3f
808a13bd 1847 SysPrintf("%s", Ra0);
ef79bbde
P		 1848 pc0 = ra;
1849}
1850
1851char ffile[64], *pfile;
1852int nfile;
1853
1854#define bufile(mcd) { \
1855 while (nfile < 16) { \
1856 int match=1; \
1857 \
1858 ptr = Mcd##mcd##Data + 128 * nfile; \
1859 nfile++; \
1860 if ((*ptr & 0xF0) != 0x50) continue; \
1861 ptr+= 0xa; \
1862 if (pfile[0] == 0) { \
507d7c1d 1863 strncpy(dir->name, ptr, sizeof(dir->name)); \
1864 dir->name[sizeof(dir->name) - 1] = '\0'; \
ef79bbde
P		 1865 } else for (i=0; i<20; i++) { \
1866 if (pfile[i] == ptr[i]) { \
1867 dir->name[i] = ptr[i]; \
1868 if (ptr[i] == 0) break; else continue; } \
1869 if (pfile[i] == '?') { \
1870 dir->name[i] = ptr[i]; continue; } \
1871 if (pfile[i] == '*') { \
1872 strcpy(dir->name+i, ptr+i); break; } \
1873 match = 0; break; \
1874 } \
1875 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
1876 if (match == 0) continue; \
1877 dir->size = 8192; \
1878 v0 = _dir; \
1879 break; \
1880 } \
1881}
1882
1883/*
1884 * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
1885 */
1886
1887void psxBios_firstfile() { // 42
1888 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
02949f79 1889 void *pa0 = Ra0;
ef79bbde
P		 1890 u32 _dir = a1;
1891 char *ptr;
1892 int i;
1893
1894#ifdef PSXBIOS_LOG
1895 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
1896#endif
1897
1898 v0 = 0;
1899
02949f79 1900 if (pa0) {
1901 strcpy(ffile, pa0);
1902 pfile = ffile+5;
1903 nfile = 1;
1904 if (!strncmp(pa0, "bu00", 4)) {
1905 bufile(1);
1906 } else if (!strncmp(pa0, "bu10", 4)) {
1907 bufile(2);
1908 }
ef79bbde
P		 1909 }
1910
66ade381 1911 // firstfile() calls _card_read() internally, so deliver it's event
1912 DeliverEvent(0x11, 0x2);
1913
ef79bbde
P		 1914 pc0 = ra;
1915}
1916
1917/*
1918 * struct DIRENTRY* nextfile(struct DIRENTRY *dir);
1919 */
1920
1921void psxBios_nextfile() { // 43
1922 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
1923 u32 _dir = a0;
1924 char *ptr;
1925 int i;
1926
1927#ifdef PSXBIOS_LOG
1928 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
1929#endif
1930
1931 v0 = 0;
1932
1933 if (!strncmp(ffile, "bu00", 4)) {
1934 bufile(1);
1935 }
1936
1937 if (!strncmp(ffile, "bu10", 4)) {
1938 bufile(2);
1939 }
1940
1941 pc0 = ra;
1942}
1943
1944#define burename(mcd) { \
1945 for (i=1; i<16; i++) { \
1946 int namelen, j, xor = 0; \
1947 ptr = Mcd##mcd##Data + 128 * i; \
1948 if ((*ptr & 0xF0) != 0x50) continue; \
1949 if (strcmp(Ra0+5, ptr+0xa)) continue; \
1950 namelen = strlen(Ra1+5); \
1951 memcpy(ptr+0xa, Ra1+5, namelen); \
1952 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
1953 for (j=0; j<127; j++) xor^= ptr[j]; \
1954 ptr[127] = xor; \
1955 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
1956 v0 = 1; \
1957 break; \
1958 } \
1959}
1960
1961/*
1962 * int rename(char *old, char *new);
1963 */
1964
1965void psxBios_rename() { // 44
02949f79 1966 void *pa0 = Ra0;
1967 void *pa1 = Ra1;
ef79bbde
P		 1968 char *ptr;
1969 int i;
1970
1971#ifdef PSXBIOS_LOG
1972 PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
1973#endif
1974
1975 v0 = 0;
1976
02949f79 1977 if (pa0 && pa1) {
1978 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
1979 burename(1);
1980 }
ef79bbde 1981
02949f79 1982 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
1983 burename(2);
1984 }
ef79bbde
P		 1985 }
1986
1987 pc0 = ra;
1988}
1989
1990
1991#define budelete(mcd) { \
1992 for (i=1; i<16; i++) { \
1993 ptr = Mcd##mcd##Data + 128 * i; \
1994 if ((*ptr & 0xF0) != 0x50) continue; \
1995 if (strcmp(Ra0+5, ptr+0xa)) continue; \
1996 *ptr = (*ptr & 0xf) | 0xA0; \
1997 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
1998 SysPrintf("delete %s\n", ptr+0xa); \
1999 v0 = 1; \
2000 break; \
2001 } \
2002}
2003
2004/*
2005 * int delete(char *name);
2006 */
2007
2008void psxBios_delete() { // 45
02949f79 2009 void *pa0 = Ra0;
ef79bbde
P		 2010 char *ptr;
2011 int i;
2012
2013#ifdef PSXBIOS_LOG
2014 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2015#endif
2016
2017 v0 = 0;
2018
02949f79 2019 if (pa0) {
2020 if (!strncmp(pa0, "bu00", 4)) {
2021 budelete(1);
2022 }
ef79bbde 2023
02949f79 2024 if (!strncmp(pa0, "bu10", 4)) {
2025 budelete(2);
2026 }
ef79bbde
P		 2027 }
2028
2029 pc0 = ra;
2030}
2031
2032void psxBios_InitCARD() { // 4a
2033#ifdef PSXBIOS_LOG
2034 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2035#endif
2036
2037 CardState = 0;
2038
2039 pc0 = ra;
2040}
2041
2042void psxBios_StartCARD() { // 4b
2043#ifdef PSXBIOS_LOG
2044 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2045#endif
2046
2047 if (CardState == 0) CardState = 1;
2048
2049 pc0 = ra;
2050}
2051
2052void psxBios_StopCARD() { // 4c
2053#ifdef PSXBIOS_LOG
2054 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2055#endif
2056
2057 if (CardState == 1) CardState = 0;
2058
2059 pc0 = ra;
2060}
2061
2062void psxBios__card_write() { // 0x4e
02949f79 2063 void *pa2 = Ra2;
ef79bbde
P		 2064 int port;
2065
2066#ifdef PSXBIOS_LOG
2067 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2068#endif
2069
e9fda093 2070 card_active_chan = a0;
ef79bbde
P		 2071 port = a0 >> 4;
2072
02949f79 2073 if (pa2) {
2074 if (port == 0) {
2075 memcpy(Mcd1Data + a1 * 128, pa2, 128);
2076 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2077 } else {
2078 memcpy(Mcd2Data + a1 * 128, pa2, 128);
2079 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2080 }
ef79bbde
P		 2081 }
2082
2083 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2084// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2085
2086 v0 = 1; pc0 = ra;
2087}
2088
2089void psxBios__card_read() { // 0x4f
02949f79 2090 void *pa2 = Ra2;
ef79bbde
P		 2091 int port;
2092
2093#ifdef PSXBIOS_LOG
2094 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2095#endif
2096
e9fda093 2097 card_active_chan = a0;
ef79bbde
P		 2098 port = a0 >> 4;
2099
02949f79 2100 if (pa2) {
2101 if (port == 0) {
2102 memcpy(pa2, Mcd1Data + a1 * 128, 128);
2103 } else {
2104 memcpy(pa2, Mcd2Data + a1 * 128, 128);
2105 }
ef79bbde
P		 2106 }
2107
2108 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2109// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2110
2111 v0 = 1; pc0 = ra;
2112}
2113
2114void psxBios__new_card() { // 0x50
2115#ifdef PSXBIOS_LOG
2116 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2117#endif
2118
2119 pc0 = ra;
2120}
2121
2122void psxBios_Krom2RawAdd() { // 0x51
2123 int i = 0;
2124
2125 const u32 table_8140[][2] = {
2126 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2127 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2128 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2129 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2130 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2131 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2132 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2133 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2134 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2135 {0xffff, 0}
2136 };
2137
2138 const u32 table_889f[][2] = {
2139 {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4},
2140 {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304},
2141 {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14},
2142 {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24},
2143 {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734},
2144 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2145 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2146 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2147 {0xffff, 0}
2148 };
2149
2150 if (a0 >= 0x8140 && a0 <= 0x84be) {
2151 while (table_8140[i][0] <= a0) i++;
2152 a0 -= table_8140[i - 1][0];
2153 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2154 } else if (a0 >= 0x889f && a0 <= 0x9872) {
2155 while (table_889f[i][0] <= a0) i++;
2156 a0 -= table_889f[i - 1][0];
2157 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2158 } else {
2159 v0 = 0xffffffff;
2160 }
2161
2162 pc0 = ra;
2163}
2164
2165void psxBios_GetC0Table() { // 56
2166#ifdef PSXBIOS_LOG
2167 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2168#endif
2169
2170 v0 = 0x674; pc0 = ra;
2171}
2172
2173void psxBios_GetB0Table() { // 57
2174#ifdef PSXBIOS_LOG
2175 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2176#endif
2177
2178 v0 = 0x874; pc0 = ra;
2179}
2180
e9fda093 2181void psxBios__card_chan() { // 0x58
2182#ifdef PSXBIOS_LOG
2183 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2184#endif
2185
2186 v0 = card_active_chan;
2187 pc0 = ra;
2188}
2189
ef79bbde
P		 2190void psxBios_ChangeClearPad() { // 5b
2191#ifdef PSXBIOS_LOG
2192 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2193#endif
2194
2195 pc0 = ra;
2196}
2197
2198/* System calls C0 */
2199
2200/*
2201 * int SysEnqIntRP(int index , long *queue);
2202 */
2203
2204void psxBios_SysEnqIntRP() { // 02
2205#ifdef PSXBIOS_LOG
2206 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2207#endif
2208
2209 SysIntRP[a0] = a1;
2210
2211 v0 = 0; pc0 = ra;
2212}
2213
2214/*
2215 * int SysDeqIntRP(int index , long *queue);
2216 */
2217
2218void psxBios_SysDeqIntRP() { // 03
2219#ifdef PSXBIOS_LOG
2220 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2221#endif
2222
2223 SysIntRP[a0] = 0;
2224
2225 v0 = 0; pc0 = ra;
2226}
2227
2228void psxBios_ChangeClearRCnt() { // 0a
2229 u32 *ptr;
2230
2231#ifdef PSXBIOS_LOG
2232 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2233#endif
2234
2235 ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2236 v0 = *ptr;
2237 *ptr = a1;
2238
2239// psxRegs.CP0.n.Status|= 0x404;
2240 pc0 = ra;
2241}
2242
2243void psxBios_dummy() {
2244#ifdef PSXBIOS_LOG
2245 PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2246#endif
2247 pc0 = ra;
2248}
2249
2250void (*biosA0[256])();
2251void (*biosB0[256])();
2252void (*biosC0[256])();
2253
2254#include "sjisfont.h"
2255
2256void psxBiosInit() {
2257 u32 base, size;
2258 u32 *ptr;
2259 int i;
2260 uLongf len;
2261
2262 for(i = 0; i < 256; i++) {
2263 biosA0[i] = NULL;
2264 biosB0[i] = NULL;
2265 biosC0[i] = NULL;
2266 }
2267 biosA0[0x3e] = psxBios_puts;
2268 biosA0[0x3f] = psxBios_printf;
2269
2270 biosB0[0x3d] = psxBios_putchar;
2271 biosB0[0x3f] = psxBios_puts;
2272
2273 if (!Config.HLE) return;
2274
2275 for(i = 0; i < 256; i++) {
2276 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2277 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2278 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2279 }
2280
2281 biosA0[0x00] = psxBios_open;
2282 biosA0[0x01] = psxBios_lseek;
2283 biosA0[0x02] = psxBios_read;
2284 biosA0[0x03] = psxBios_write;
2285 biosA0[0x04] = psxBios_close;
2286 //biosA0[0x05] = psxBios_ioctl;
2287 //biosA0[0x06] = psxBios_exit;
2288 //biosA0[0x07] = psxBios_sys_a0_07;
2289 //biosA0[0x08] = psxBios_getc;
2290 //biosA0[0x09] = psxBios_putc;
2291 //biosA0[0x0a] = psxBios_todigit;
2292 //biosA0[0x0b] = psxBios_atof;
2293 //biosA0[0x0c] = psxBios_strtoul;
2294 //biosA0[0x0d] = psxBios_strtol;
2295 biosA0[0x0e] = psxBios_abs;
2296 biosA0[0x0f] = psxBios_labs;
2297 biosA0[0x10] = psxBios_atoi;
2298 biosA0[0x11] = psxBios_atol;
2299 //biosA0[0x12] = psxBios_atob;
2300 biosA0[0x13] = psxBios_setjmp;
2301 biosA0[0x14] = psxBios_longjmp;
2302 biosA0[0x15] = psxBios_strcat;
2303 biosA0[0x16] = psxBios_strncat;
2304 biosA0[0x17] = psxBios_strcmp;
2305 biosA0[0x18] = psxBios_strncmp;
2306 biosA0[0x19] = psxBios_strcpy;
2307 biosA0[0x1a] = psxBios_strncpy;
2308 biosA0[0x1b] = psxBios_strlen;
2309 biosA0[0x1c] = psxBios_index;
2310 biosA0[0x1d] = psxBios_rindex;
2311 biosA0[0x1e] = psxBios_strchr;
2312 biosA0[0x1f] = psxBios_strrchr;
2313 biosA0[0x20] = psxBios_strpbrk;
2314 biosA0[0x21] = psxBios_strspn;
2315 biosA0[0x22] = psxBios_strcspn;
2316 biosA0[0x23] = psxBios_strtok;
2317 biosA0[0x24] = psxBios_strstr;
2318 biosA0[0x25] = psxBios_toupper;
2319 biosA0[0x26] = psxBios_tolower;
2320 biosA0[0x27] = psxBios_bcopy;
2321 biosA0[0x28] = psxBios_bzero;
2322 biosA0[0x29] = psxBios_bcmp;
2323 biosA0[0x2a] = psxBios_memcpy;
2324 biosA0[0x2b] = psxBios_memset;
2325 biosA0[0x2c] = psxBios_memmove;
2326 biosA0[0x2d] = psxBios_memcmp;
2327 biosA0[0x2e] = psxBios_memchr;
2328 biosA0[0x2f] = psxBios_rand;
2329 biosA0[0x30] = psxBios_srand;
2330 biosA0[0x31] = psxBios_qsort;
2331 //biosA0[0x32] = psxBios_strtod;
2332 biosA0[0x33] = psxBios_malloc;
2333 biosA0[0x34] = psxBios_free;
2334 //biosA0[0x35] = psxBios_lsearch;
2335 //biosA0[0x36] = psxBios_bsearch;
2336 biosA0[0x37] = psxBios_calloc;
2337 biosA0[0x38] = psxBios_realloc;
2338 biosA0[0x39] = psxBios_InitHeap;
2339 //biosA0[0x3a] = psxBios__exit;
2340 biosA0[0x3b] = psxBios_getchar;
2341 biosA0[0x3c] = psxBios_putchar;
2342 //biosA0[0x3d] = psxBios_gets;
2343 //biosA0[0x40] = psxBios_sys_a0_40;
2344 //biosA0[0x41] = psxBios_LoadTest;
2345 biosA0[0x42] = psxBios_Load;
2346 biosA0[0x43] = psxBios_Exec;
2347 biosA0[0x44] = psxBios_FlushCache;
2348 //biosA0[0x45] = psxBios_InstallInterruptHandler;
2349 biosA0[0x46] = psxBios_GPU_dw;
2350 biosA0[0x47] = psxBios_mem2vram;
2351 biosA0[0x48] = psxBios_SendGPU;
2352 biosA0[0x49] = psxBios_GPU_cw;
2353 biosA0[0x4a] = psxBios_GPU_cwb;
2354 biosA0[0x4b] = psxBios_GPU_SendPackets;
2355 biosA0[0x4c] = psxBios_sys_a0_4c;
2356 biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2357 //biosA0[0x4e] = psxBios_GPU_sync;
2358 //biosA0[0x4f] = psxBios_sys_a0_4f;
2359 //biosA0[0x50] = psxBios_sys_a0_50;
2360 biosA0[0x51] = psxBios_LoadExec;
2361 //biosA0[0x52] = psxBios_GetSysSp;
2362 //biosA0[0x53] = psxBios_sys_a0_53;
2363 //biosA0[0x54] = psxBios__96_init_a54;
2364 //biosA0[0x55] = psxBios__bu_init_a55;
2365 //biosA0[0x56] = psxBios__96_remove_a56;
2366 //biosA0[0x57] = psxBios_sys_a0_57;
2367 //biosA0[0x58] = psxBios_sys_a0_58;
2368 //biosA0[0x59] = psxBios_sys_a0_59;
2369 //biosA0[0x5a] = psxBios_sys_a0_5a;
2370 //biosA0[0x5b] = psxBios_dev_tty_init;
2371 //biosA0[0x5c] = psxBios_dev_tty_open;
2372 //biosA0[0x5d] = psxBios_sys_a0_5d;
2373 //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2374 //biosA0[0x5f] = psxBios_dev_cd_open;
2375 //biosA0[0x60] = psxBios_dev_cd_read;
2376 //biosA0[0x61] = psxBios_dev_cd_close;
2377 //biosA0[0x62] = psxBios_dev_cd_firstfile;
2378 //biosA0[0x63] = psxBios_dev_cd_nextfile;
2379 //biosA0[0x64] = psxBios_dev_cd_chdir;
2380 //biosA0[0x65] = psxBios_dev_card_open;
2381 //biosA0[0x66] = psxBios_dev_card_read;
2382 //biosA0[0x67] = psxBios_dev_card_write;
2383 //biosA0[0x68] = psxBios_dev_card_close;
2384 //biosA0[0x69] = psxBios_dev_card_firstfile;
2385 //biosA0[0x6a] = psxBios_dev_card_nextfile;
2386 //biosA0[0x6b] = psxBios_dev_card_erase;
2387 //biosA0[0x6c] = psxBios_dev_card_undelete;
2388 //biosA0[0x6d] = psxBios_dev_card_format;
2389 //biosA0[0x6e] = psxBios_dev_card_rename;
2390 //biosA0[0x6f] = psxBios_dev_card_6f;
2391 biosA0[0x70] = psxBios__bu_init;
2392 biosA0[0x71] = psxBios__96_init;
2393 biosA0[0x72] = psxBios__96_remove;
2394 //biosA0[0x73] = psxBios_sys_a0_73;
2395 //biosA0[0x74] = psxBios_sys_a0_74;
2396 //biosA0[0x75] = psxBios_sys_a0_75;
2397 //biosA0[0x76] = psxBios_sys_a0_76;
2398 //biosA0[0x77] = psxBios_sys_a0_77;
2399 //biosA0[0x78] = psxBios__96_CdSeekL;
2400 //biosA0[0x79] = psxBios_sys_a0_79;
2401 //biosA0[0x7a] = psxBios_sys_a0_7a;
2402 //biosA0[0x7b] = psxBios_sys_a0_7b;
2403 //biosA0[0x7c] = psxBios__96_CdGetStatus;
2404 //biosA0[0x7d] = psxBios_sys_a0_7d;
2405 //biosA0[0x7e] = psxBios__96_CdRead;
2406 //biosA0[0x7f] = psxBios_sys_a0_7f;
2407 //biosA0[0x80] = psxBios_sys_a0_80;
2408 //biosA0[0x81] = psxBios_sys_a0_81;
2409 //biosA0[0x82] = psxBios_sys_a0_82;
2410 //biosA0[0x83] = psxBios_sys_a0_83;
2411 //biosA0[0x84] = psxBios_sys_a0_84;
2412 //biosA0[0x85] = psxBios__96_CdStop;
2413 //biosA0[0x86] = psxBios_sys_a0_86;
2414 //biosA0[0x87] = psxBios_sys_a0_87;
2415 //biosA0[0x88] = psxBios_sys_a0_88;
2416 //biosA0[0x89] = psxBios_sys_a0_89;
2417 //biosA0[0x8a] = psxBios_sys_a0_8a;
2418 //biosA0[0x8b] = psxBios_sys_a0_8b;
2419 //biosA0[0x8c] = psxBios_sys_a0_8c;
2420 //biosA0[0x8d] = psxBios_sys_a0_8d;
2421 //biosA0[0x8e] = psxBios_sys_a0_8e;
2422 //biosA0[0x8f] = psxBios_sys_a0_8f;
2423 //biosA0[0x90] = psxBios_sys_a0_90;
2424 //biosA0[0x91] = psxBios_sys_a0_91;
2425 //biosA0[0x92] = psxBios_sys_a0_92;
2426 //biosA0[0x93] = psxBios_sys_a0_93;
2427 //biosA0[0x94] = psxBios_sys_a0_94;
2428 //biosA0[0x95] = psxBios_sys_a0_95;
2429 //biosA0[0x96] = psxBios_AddCDROMDevice;
2430 //biosA0[0x97] = psxBios_AddMemCardDevide;
2431 //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2432 //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2433 //biosA0[0x9a] = psxBios_sys_a0_9a;
2434 //biosA0[0x9b] = psxBios_sys_a0_9b;
2435 //biosA0[0x9c] = psxBios_SetConf;
2436 //biosA0[0x9d] = psxBios_GetConf;
2437 //biosA0[0x9e] = psxBios_sys_a0_9e;
2438 biosA0[0x9f] = psxBios_SetMem;
2439 //biosA0[0xa0] = psxBios__boot;
2440 //biosA0[0xa1] = psxBios_SystemError;
2441 //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2442 //biosA0[0xa3] = psxBios_DequeueCdIntr;
2443 //biosA0[0xa4] = psxBios_sys_a0_a4;
2444 //biosA0[0xa5] = psxBios_ReadSector;
2445 //biosA0[0xa6] = psxBios_get_cd_status;
2446 //biosA0[0xa7] = psxBios_bufs_cb_0;
2447 //biosA0[0xa8] = psxBios_bufs_cb_1;
2448 //biosA0[0xa9] = psxBios_bufs_cb_2;
2449 //biosA0[0xaa] = psxBios_bufs_cb_3;
2450 biosA0[0xab] = psxBios__card_info;
2451 biosA0[0xac] = psxBios__card_load;
2452 //biosA0[0axd] = psxBios__card_auto;
2453 //biosA0[0xae] = psxBios_bufs_cd_4;
2454 //biosA0[0xaf] = psxBios_sys_a0_af;
2455 //biosA0[0xb0] = psxBios_sys_a0_b0;
2456 //biosA0[0xb1] = psxBios_sys_a0_b1;
2457 //biosA0[0xb2] = psxBios_do_a_long_jmp
2458 //biosA0[0xb3] = psxBios_sys_a0_b3;
2459 //biosA0[0xb4] = psxBios_sub_function;
2460//*******************B0 CALLS****************************
2461 //biosB0[0x00] = psxBios_SysMalloc;
2462 //biosB0[0x01] = psxBios_sys_b0_01;
2463 biosB0[0x02] = psxBios_SetRCnt;
2464 biosB0[0x03] = psxBios_GetRCnt;
2465 biosB0[0x04] = psxBios_StartRCnt;
2466 biosB0[0x05] = psxBios_StopRCnt;
2467 biosB0[0x06] = psxBios_ResetRCnt;
2468 biosB0[0x07] = psxBios_DeliverEvent;
2469 biosB0[0x08] = psxBios_OpenEvent;
2470 biosB0[0x09] = psxBios_CloseEvent;
2471 biosB0[0x0a] = psxBios_WaitEvent;
2472 biosB0[0x0b] = psxBios_TestEvent;
2473 biosB0[0x0c] = psxBios_EnableEvent;
2474 biosB0[0x0d] = psxBios_DisableEvent;
2475 biosB0[0x0e] = psxBios_OpenTh;
2476 biosB0[0x0f] = psxBios_CloseTh;
2477 biosB0[0x10] = psxBios_ChangeTh;
2478 //biosB0[0x11] = psxBios_psxBios_b0_11;
2479 biosB0[0x12] = psxBios_InitPAD;
2480 biosB0[0x13] = psxBios_StartPAD;
2481 biosB0[0x14] = psxBios_StopPAD;
2482 biosB0[0x15] = psxBios_PAD_init;
2483 biosB0[0x16] = psxBios_PAD_dr;
2484 biosB0[0x17] = psxBios_ReturnFromException;
2485 biosB0[0x18] = psxBios_ResetEntryInt;
2486 biosB0[0x19] = psxBios_HookEntryInt;
2487 //biosB0[0x1a] = psxBios_sys_b0_1a;
2488 //biosB0[0x1b] = psxBios_sys_b0_1b;
2489 //biosB0[0x1c] = psxBios_sys_b0_1c;
2490 //biosB0[0x1d] = psxBios_sys_b0_1d;
2491 //biosB0[0x1e] = psxBios_sys_b0_1e;
2492 //biosB0[0x1f] = psxBios_sys_b0_1f;
2493 biosB0[0x20] = psxBios_UnDeliverEvent;
2494 //biosB0[0x21] = psxBios_sys_b0_21;
2495 //biosB0[0x22] = psxBios_sys_b0_22;
2496 //biosB0[0x23] = psxBios_sys_b0_23;
2497 //biosB0[0x24] = psxBios_sys_b0_24;
2498 //biosB0[0x25] = psxBios_sys_b0_25;
2499 //biosB0[0x26] = psxBios_sys_b0_26;
2500 //biosB0[0x27] = psxBios_sys_b0_27;
2501 //biosB0[0x28] = psxBios_sys_b0_28;
2502 //biosB0[0x29] = psxBios_sys_b0_29;
2503 //biosB0[0x2a] = psxBios_sys_b0_2a;
2504 //biosB0[0x2b] = psxBios_sys_b0_2b;
2505 //biosB0[0x2c] = psxBios_sys_b0_2c;
2506 //biosB0[0x2d] = psxBios_sys_b0_2d;
2507 //biosB0[0x2e] = psxBios_sys_b0_2e;
2508 //biosB0[0x2f] = psxBios_sys_b0_2f;
2509 //biosB0[0x30] = psxBios_sys_b0_30;
2510 //biosB0[0x31] = psxBios_sys_b0_31;
2511 biosB0[0x32] = psxBios_open;
2512 biosB0[0x33] = psxBios_lseek;
2513 biosB0[0x34] = psxBios_read;
2514 biosB0[0x35] = psxBios_write;
2515 biosB0[0x36] = psxBios_close;
2516 //biosB0[0x37] = psxBios_ioctl;
2517 //biosB0[0x38] = psxBios_exit;
2518 //biosB0[0x39] = psxBios_sys_b0_39;
2519 //biosB0[0x3a] = psxBios_getc;
2520 //biosB0[0x3b] = psxBios_putc;
2521 biosB0[0x3c] = psxBios_getchar;
2522 //biosB0[0x3e] = psxBios_gets;
2523 //biosB0[0x40] = psxBios_cd;
2524 //biosB0[0x41] = psxBios_format;
2525 biosB0[0x42] = psxBios_firstfile;
2526 biosB0[0x43] = psxBios_nextfile;
2527 biosB0[0x44] = psxBios_rename;
2528 biosB0[0x45] = psxBios_delete;
2529 //biosB0[0x46] = psxBios_undelete;
2530 //biosB0[0x47] = psxBios_AddDevice;
2531 //biosB0[0x48] = psxBios_RemoteDevice;
2532 //biosB0[0x49] = psxBios_PrintInstalledDevices;
2533 biosB0[0x4a] = psxBios_InitCARD;
2534 biosB0[0x4b] = psxBios_StartCARD;
2535 biosB0[0x4c] = psxBios_StopCARD;
2536 //biosB0[0x4d] = psxBios_sys_b0_4d;
2537 biosB0[0x4e] = psxBios__card_write;
2538 biosB0[0x4f] = psxBios__card_read;
2539 biosB0[0x50] = psxBios__new_card;
2540 biosB0[0x51] = psxBios_Krom2RawAdd;
2541 //biosB0[0x52] = psxBios_sys_b0_52;
2542 //biosB0[0x53] = psxBios_sys_b0_53;
2543 //biosB0[0x54] = psxBios__get_errno;
2544 //biosB0[0x55] = psxBios__get_error;
2545 biosB0[0x56] = psxBios_GetC0Table;
2546 biosB0[0x57] = psxBios_GetB0Table;
e9fda093 2547 biosB0[0x58] = psxBios__card_chan;
ef79bbde
P		 2548 //biosB0[0x59] = psxBios_sys_b0_59;
2549 //biosB0[0x5a] = psxBios_sys_b0_5a;
2550 biosB0[0x5b] = psxBios_ChangeClearPad;
2551 //biosB0[0x5c] = psxBios__card_status;
2552 //biosB0[0x5d] = psxBios__card_wait;
2553//*******************C0 CALLS****************************
2554 //biosC0[0x00] = psxBios_InitRCnt;
2555 //biosC0[0x01] = psxBios_InitException;
2556 biosC0[0x02] = psxBios_SysEnqIntRP;
2557 biosC0[0x03] = psxBios_SysDeqIntRP;
2558 //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2559 //biosC0[0x05] = psxBios_get_free_TCB_slot;
2560 //biosC0[0x06] = psxBios_ExceptionHandler;
2561 //biosC0[0x07] = psxBios_InstallExeptionHandler;
2562 //biosC0[0x08] = psxBios_SysInitMemory;
2563 //biosC0[0x09] = psxBios_SysInitKMem;
2564 biosC0[0x0a] = psxBios_ChangeClearRCnt;
2565 //biosC0[0x0b] = psxBios_SystemError;
2566 //biosC0[0x0c] = psxBios_InitDefInt;
2567 //biosC0[0x0d] = psxBios_sys_c0_0d;
2568 //biosC0[0x0e] = psxBios_sys_c0_0e;
2569 //biosC0[0x0f] = psxBios_sys_c0_0f;
2570 //biosC0[0x10] = psxBios_sys_c0_10;
2571 //biosC0[0x11] = psxBios_sys_c0_11;
2572 //biosC0[0x12] = psxBios_InstallDevices;
2573 //biosC0[0x13] = psxBios_FlushStfInOutPut;
2574 //biosC0[0x14] = psxBios_sys_c0_14;
2575 //biosC0[0x15] = psxBios__cdevinput;
2576 //biosC0[0x16] = psxBios__cdevscan;
2577 //biosC0[0x17] = psxBios__circgetc;
2578 //biosC0[0x18] = psxBios__circputc;
2579 //biosC0[0x19] = psxBios_ioabort;
2580 //biosC0[0x1a] = psxBios_sys_c0_1a
2581 //biosC0[0x1b] = psxBios_KernelRedirect;
2582 //biosC0[0x1c] = psxBios_PatchAOTable;
2583//************** THE END ***************************************
2584/**/
2585 base = 0x1000;
2586 size = sizeof(EvCB) * 32;
2587 Event = (void *)&psxR[base]; base += size * 6;
2588 memset(Event, 0, size * 6);
2589 HwEV = Event;
2590 EvEV = Event + 32;
2591 RcEV = Event + 32 * 2;
2592 UeEV = Event + 32 * 3;
2593 SwEV = Event + 32 * 4;
2594 ThEV = Event + 32 * 5;
2595
2596 ptr = (u32 *)&psxM[0x0874]; // b0 table
2597 ptr[0] = SWAPu32(0x4c54 - 0x884);
2598
2599 ptr = (u32 *)&psxM[0x0674]; // c0 table
2600 ptr[6] = SWAPu32(0xc80);
2601
2602 memset(SysIntRP, 0, sizeof(SysIntRP));
2603 memset(Thread, 0, sizeof(Thread));
2604 Thread[0].status = 2; // main thread
2605
c62b43c9 2606 jmp_int = NULL;
2607 pad_buf = NULL;
2608 pad_buf1 = NULL;
2609 pad_buf2 = NULL;
2610 pad_buf1len = pad_buf2len = 0;
2611 heap_addr = NULL;
2612 heap_end = NULL;
2613 CardState = -1;
2614 CurThread = 0;
2615 memset(FDesc, 0, sizeof(FDesc));
2616
ef79bbde
P		 2617 psxMu32ref(0x0150) = SWAPu32(0x160);
2618 psxMu32ref(0x0154) = SWAPu32(0x320);
2619 psxMu32ref(0x0160) = SWAPu32(0x248);
2620 strcpy((char *)&psxM[0x248], "bu");
2621/* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
2622 psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
2623 psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
2624 psxMu32ref(0x09e0) = SWAPu32(0x43d0);
2625 psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
2626*/
2627 // opcode HLE
2628 psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
2629 psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
2630 psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
2631 psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
2632 psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
2633 psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
2634 psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
2635 psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
2636 psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
2637 psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
2638
2639 // initial stack pointer for BIOS interrupt
2640 psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
2641
2642 // initial RNG seed
2643 psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
2644
2645 // fonts
2646 len = 0x80000 - 0x66000;
2647 uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
2648 len = 0x80000 - 0x69d68;
2649 uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
2650
2651 // memory size 2 MB
2652 psxHu32ref(0x1060) = SWAPu32(0x00000b88);
2653
2654 hleSoftCall = FALSE;
2655}
2656
2657void psxBiosShutdown() {
2658}
2659
2660#define psxBios_PADpoll(pad) { \
2661 PAD##pad##_startPoll(pad); \
2662 pad_buf##pad[0] = 0; \
2663 pad_buf##pad[1] = PAD##pad##_poll(0x42); \
2664 if (!(pad_buf##pad[1] & 0x0f)) { \
2665 bufcount = 32; \
2666 } else { \
2667 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
2668 } \
2669 PAD##pad##_poll(0); \
2670 i = 2; \
2671 while (bufcount--) { \
2672 pad_buf##pad[i++] = PAD##pad##_poll(0); \
2673 } \
2674}
2675
2676void biosInterrupt() {
2677 int i, bufcount;
2678
2679// if (psxHu32(0x1070) & 0x1) { // Vsync
2680 if (pad_buf != NULL) {
2681 u32 *buf = (u32*)pad_buf;
2682
2683 if (!Config.UseNet) {
2684 PAD1_startPoll(1);
2685 if (PAD1_poll(0x42) == 0x23) {
2686 PAD1_poll(0);
2687 *buf = PAD1_poll(0) << 8;
2688 *buf |= PAD1_poll(0);
2689 PAD1_poll(0);
2690 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
2691 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
2692 } else {
2693 PAD1_poll(0);
2694 *buf = PAD1_poll(0) << 8;
2695 *buf|= PAD1_poll(0);
2696 }
2697
2698 PAD2_startPoll(2);
2699 if (PAD2_poll(0x42) == 0x23) {
2700 PAD2_poll(0);
2701 *buf |= PAD2_poll(0) << 24;
2702 *buf |= PAD2_poll(0) << 16;
2703 PAD2_poll(0);
2704 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
2705 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
2706 } else {
2707 PAD2_poll(0);
2708 *buf |= PAD2_poll(0) << 24;
2709 *buf |= PAD2_poll(0) << 16;
2710 }
2711 } else {
2712 u16 data;
2713
2714 PAD1_startPoll(1);
2715 PAD1_poll(0x42);
2716 PAD1_poll(0);
2717 data = PAD1_poll(0) << 8;
2718 data |= PAD1_poll(0);
2719
2720 if (NET_sendPadData(&data, 2) == -1)
2721 netError();
2722
2723 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
2724 netError();
2725 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
2726 netError();
2727 }
2728 }
2729 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
2730 psxBios_PADpoll(1);
2731
2732 if (NET_sendPadData(pad_buf1, i) == -1)
2733 netError();
2734
2735 if (NET_recvPadData(pad_buf1, 1) == -1)
2736 netError();
2737 if (NET_recvPadData(pad_buf2, 2) == -1)
2738 netError();
2739 } else {
2740 if (pad_buf1) {
2741 psxBios_PADpoll(1);
2742 }
2743
2744 if (pad_buf2) {
2745 psxBios_PADpoll(2);
2746 }
2747 }
2748
2749 if (psxHu32(0x1070) & 0x1) { // Vsync
2750 if (RcEV[3][1].status == EvStACTIVE) {
2751 softCall(RcEV[3][1].fhandler);
2752// hwWrite32(0x1f801070, ~(1));
2753 }
2754 }
2755
2756 if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
2757 int i;
2758
2759 for (i = 0; i < 3; i++) {
2760 if (psxHu32(0x1070) & (1 << (i + 4))) {
2761 if (RcEV[i][1].status == EvStACTIVE) {
2762 softCall(RcEV[i][1].fhandler);
2763 }
2764 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
2765 }
2766 }
2767 }
2768}
2769
2770void psxBiosException() {
2771 int i;
2772
2773 switch (psxRegs.CP0.n.Cause & 0x3c) {
2774 case 0x00: // Interrupt
2775#ifdef PSXCPU_LOG
2776// PSXCPU_LOG("interrupt\n");
2777#endif
2778 SaveRegs();
2779
2780 sp = psxMu32(0x6c80); // create new stack for interrupt handlers
2781
2782 biosInterrupt();
2783
2784 for (i = 0; i < 8; i++) {
2785 if (SysIntRP[i]) {
2786 u32 *queue = (u32 *)PSXM(SysIntRP[i]);
2787
2788 s0 = queue[2];
2789 softCall(queue[1]);
2790 }
2791 }
2792
2793 if (jmp_int != NULL) {
2794 int i;
2795
2796 psxHwWrite32(0x1f801070, 0xffffffff);
2797
2798 ra = jmp_int[0];
2799 sp = jmp_int[1];
2800 fp = jmp_int[2];
2801 for (i = 0; i < 8; i++) // s0-s7
2802 psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
2803 gp = jmp_int[11];
2804
2805 v0 = 1;
2806 pc0 = ra;
2807 return;
2808 }
2809 psxHwWrite16(0x1f801070, 0);
2810 break;
2811
2812 case 0x20: // Syscall
2813#ifdef PSXCPU_LOG
2814 PSXCPU_LOG("syscall exp %x\n", a0);
2815#endif
2816 switch (a0) {
2817 case 1: // EnterCritical - disable irq's
2818 psxRegs.CP0.n.Status &= ~0x404;
2819v0=1; // HDHOSHY experimental patch: Spongebob, Coldblood, fearEffect, Medievil2, Martian Gothic
2820 break;
2821
2822 case 2: // ExitCritical - enable irq's
2823 psxRegs.CP0.n.Status |= 0x404;
2824 break;
2825 }
2826 pc0 = psxRegs.CP0.n.EPC + 4;
2827
2828 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2829 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2830 return;
2831
2832 default:
2833#ifdef PSXCPU_LOG
2834 PSXCPU_LOG("unknown bios exception!\n");
2835#endif
2836 break;
2837 }
2838
2839 pc0 = psxRegs.CP0.n.EPC;
2840 if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
2841
2842 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2843 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2844}
2845
2846#define bfreeze(ptr, size) { \
2847 if (Mode == 1) memcpy(&psxR[base], ptr, size); \
2848 if (Mode == 0) memcpy(ptr, &psxR[base], size); \
2849 base += size; \
2850}
2851
2852#define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
2853#define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
2854
2855#define bfreezepsxMptr(ptr, type) { \
2856 if (Mode == 1) { \
2857 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
2858 else psxRu32ref(base) = 0; \
2859 } else { \
2860 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
2861 else (ptr) = NULL; \
2862 } \
2863 base += sizeof(u32); \
2864}
2865
2866void psxBiosFreeze(int Mode) {
2867 u32 base = 0x40000;
2868
2869 bfreezepsxMptr(jmp_int, u32);
2870 bfreezepsxMptr(pad_buf, int);
2871 bfreezepsxMptr(pad_buf1, char);
2872 bfreezepsxMptr(pad_buf2, char);
2873 bfreezepsxMptr(heap_addr, u32);
2874 bfreezel(&pad_buf1len);
2875 bfreezel(&pad_buf2len);
2876 bfreezes(regs);
2877 bfreezes(SysIntRP);
2878 bfreezel(&CardState);
2879 bfreezes(Thread);
2880 bfreezel(&CurThread);
2881 bfreezes(FDesc);
e9fda093 2882 bfreezel(&card_active_chan);
ef79bbde 2883}
ARM optimized PCSX fork