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psx_gpu: start handling vram loads/moves for enhancement
[pcsx_rearmed.git] / libpcsxcore / psxbios.c
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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"
ef79bbde 29
452b85f9 30#undef SysPrintf
31#define SysPrintf if (Config.PsxOut) printf
32
ef79bbde
P		 33char *biosA0n[256] = {
34// 0x00
35 "open", "lseek", "read", "write",
36 "close", "ioctl", "exit", "sys_a0_07",
37 "getc", "putc", "todigit", "atof",
38 "strtoul", "strtol", "abs", "labs",
39// 0x10
40 "atoi", "atol", "atob", "setjmp",
41 "longjmp", "strcat", "strncat", "strcmp",
42 "strncmp", "strcpy", "strncpy", "strlen",
43 "index", "rindex", "strchr", "strrchr",
44// 0x20
45 "strpbrk", "strspn", "strcspn", "strtok",
46 "strstr", "toupper", "tolower", "bcopy",
47 "bzero", "bcmp", "memcpy", "memset",
48 "memmove", "memcmp", "memchr", "rand",
49// 0x30
50 "srand", "qsort", "strtod", "malloc",
51 "free", "lsearch", "bsearch", "calloc",
52 "realloc", "InitHeap", "_exit", "getchar",
53 "putchar", "gets", "puts", "printf",
54// 0x40
55 "sys_a0_40", "LoadTest", "Load", "Exec",
56 "FlushCache", "InstallInterruptHandler", "GPU_dw", "mem2vram",
57 "SendGPUStatus", "GPU_cw", "GPU_cwb", "SendPackets",
58 "sys_a0_4c", "GetGPUStatus", "GPU_sync", "sys_a0_4f",
59// 0x50
60 "sys_a0_50", "LoadExec", "GetSysSp", "sys_a0_53",
61 "_96_init()", "_bu_init()", "_96_remove()", "sys_a0_57",
62 "sys_a0_58", "sys_a0_59", "sys_a0_5a", "dev_tty_init",
63 "dev_tty_open", "sys_a0_5d", "dev_tty_ioctl","dev_cd_open",
64// 0x60
65 "dev_cd_read", "dev_cd_close", "dev_cd_firstfile", "dev_cd_nextfile",
66 "dev_cd_chdir", "dev_card_open", "dev_card_read", "dev_card_write",
67 "dev_card_close", "dev_card_firstfile", "dev_card_nextfile","dev_card_erase",
68 "dev_card_undelete","dev_card_format", "dev_card_rename", "dev_card_6f",
69// 0x70
70 "_bu_init", "_96_init", "_96_remove", "sys_a0_73",
71 "sys_a0_74", "sys_a0_75", "sys_a0_76", "sys_a0_77",
72 "_96_CdSeekL", "sys_a0_79", "sys_a0_7a", "sys_a0_7b",
73 "_96_CdGetStatus", "sys_a0_7d", "_96_CdRead", "sys_a0_7f",
74// 0x80
75 "sys_a0_80", "sys_a0_81", "sys_a0_82", "sys_a0_83",
76 "sys_a0_84", "_96_CdStop", "sys_a0_86", "sys_a0_87",
77 "sys_a0_88", "sys_a0_89", "sys_a0_8a", "sys_a0_8b",
78 "sys_a0_8c", "sys_a0_8d", "sys_a0_8e", "sys_a0_8f",
79// 0x90
80 "sys_a0_90", "sys_a0_91", "sys_a0_92", "sys_a0_93",
81 "sys_a0_94", "sys_a0_95", "AddCDROMDevice", "AddMemCardDevide",
82 "DisableKernelIORedirection", "EnableKernelIORedirection", "sys_a0_9a", "sys_a0_9b",
83 "SetConf", "GetConf", "sys_a0_9e", "SetMem",
84// 0xa0
85 "_boot", "SystemError", "EnqueueCdIntr", "DequeueCdIntr",
86 "sys_a0_a4", "ReadSector", "get_cd_status", "bufs_cb_0",
87 "bufs_cb_1", "bufs_cb_2", "bufs_cb_3", "_card_info",
88 "_card_load", "_card_auto", "bufs_cd_4", "sys_a0_af",
89// 0xb0
90 "sys_a0_b0", "sys_a0_b1", "do_a_long_jmp", "sys_a0_b3",
91 "?? sub_function",
92};
93
94char *biosB0n[256] = {
95// 0x00
96 "SysMalloc", "sys_b0_01", "sys_b0_02", "sys_b0_03",
97 "sys_b0_04", "sys_b0_05", "sys_b0_06", "DeliverEvent",
98 "OpenEvent", "CloseEvent", "WaitEvent", "TestEvent",
99 "EnableEvent", "DisableEvent", "OpenTh", "CloseTh",
100// 0x10
101 "ChangeTh", "sys_b0_11", "InitPAD", "StartPAD",
102 "StopPAD", "PAD_init", "PAD_dr", "ReturnFromExecption",
103 "ResetEntryInt", "HookEntryInt", "sys_b0_1a", "sys_b0_1b",
104 "sys_b0_1c", "sys_b0_1d", "sys_b0_1e", "sys_b0_1f",
105// 0x20
106 "UnDeliverEvent", "sys_b0_21", "sys_b0_22", "sys_b0_23",
107 "sys_b0_24", "sys_b0_25", "sys_b0_26", "sys_b0_27",
108 "sys_b0_28", "sys_b0_29", "sys_b0_2a", "sys_b0_2b",
109 "sys_b0_2c", "sys_b0_2d", "sys_b0_2e", "sys_b0_2f",
110// 0x30
111 "sys_b0_30", "sys_b0_31", "open", "lseek",
112 "read", "write", "close", "ioctl",
113 "exit", "sys_b0_39", "getc", "putc",
114 "getchar", "putchar", "gets", "puts",
115// 0x40
116 "cd", "format", "firstfile", "nextfile",
117 "rename", "delete", "undelete", "AddDevice",
118 "RemoteDevice", "PrintInstalledDevices", "InitCARD", "StartCARD",
119 "StopCARD", "sys_b0_4d", "_card_write", "_card_read",
120// 0x50
121 "_new_card", "Krom2RawAdd", "sys_b0_52", "sys_b0_53",
122 "_get_errno", "_get_error", "GetC0Table", "GetB0Table",
123 "_card_chan", "sys_b0_59", "sys_b0_5a", "ChangeClearPAD",
124 "_card_status", "_card_wait",
125};
126
127char *biosC0n[256] = {
128// 0x00
129 "InitRCnt", "InitException", "SysEnqIntRP", "SysDeqIntRP",
130 "get_free_EvCB_slot", "get_free_TCB_slot", "ExceptionHandler", "InstallExeptionHandler",
131 "SysInitMemory", "SysInitKMem", "ChangeClearRCnt", "SystemError",
132 "InitDefInt", "sys_c0_0d", "sys_c0_0e", "sys_c0_0f",
133// 0x10
134 "sys_c0_10", "sys_c0_11", "InstallDevices", "FlushStfInOutPut",
135 "sys_c0_14", "_cdevinput", "_cdevscan", "_circgetc",
136 "_circputc", "ioabort", "sys_c0_1a", "KernelRedirect",
137 "PatchAOTable",
138};
139
140//#define r0 (psxRegs.GPR.n.r0)
141#define at (psxRegs.GPR.n.at)
142#define v0 (psxRegs.GPR.n.v0)
143#define v1 (psxRegs.GPR.n.v1)
144#define a0 (psxRegs.GPR.n.a0)
145#define a1 (psxRegs.GPR.n.a1)
146#define a2 (psxRegs.GPR.n.a2)
147#define a3 (psxRegs.GPR.n.a3)
148#define t0 (psxRegs.GPR.n.t0)
149#define t1 (psxRegs.GPR.n.t1)
150#define t2 (psxRegs.GPR.n.t2)
151#define t3 (psxRegs.GPR.n.t3)
152#define t4 (psxRegs.GPR.n.t4)
153#define t5 (psxRegs.GPR.n.t5)
154#define t6 (psxRegs.GPR.n.t6)
155#define t7 (psxRegs.GPR.n.t7)
156#define t8 (psxRegs.GPR.n.t8)
157#define t9 (psxRegs.GPR.n.t9)
158#define s0 (psxRegs.GPR.n.s0)
159#define s1 (psxRegs.GPR.n.s1)
160#define s2 (psxRegs.GPR.n.s2)
161#define s3 (psxRegs.GPR.n.s3)
162#define s4 (psxRegs.GPR.n.s4)
163#define s5 (psxRegs.GPR.n.s5)
164#define s6 (psxRegs.GPR.n.s6)
165#define s7 (psxRegs.GPR.n.s7)
166#define k0 (psxRegs.GPR.n.k0)
167#define k1 (psxRegs.GPR.n.k1)
168#define gp (psxRegs.GPR.n.gp)
169#define sp (psxRegs.GPR.n.sp)
170#define fp (psxRegs.GPR.n.s8)
171#define ra (psxRegs.GPR.n.ra)
172#define pc0 (psxRegs.pc)
173
174#define Ra0 ((char *)PSXM(a0))
175#define Ra1 ((char *)PSXM(a1))
176#define Ra2 ((char *)PSXM(a2))
177#define Ra3 ((char *)PSXM(a3))
178#define Rv0 ((char *)PSXM(v0))
179#define Rsp ((char *)PSXM(sp))
180
181typedef struct {
182 u32 desc;
183 s32 status;
184 s32 mode;
185 u32 fhandler;
186} EvCB[32];
187
188#define EvStUNUSED 0x0000
189#define EvStWAIT 0x1000
190#define EvStACTIVE 0x2000
191#define EvStALREADY 0x4000
192
193#define EvMdINTR 0x1000
194#define EvMdNOINTR 0x2000
195
196/*
197typedef struct {
198 s32 next;
199 s32 func1;
200 s32 func2;
201 s32 pad;
202} SysRPst;
203*/
204
205typedef struct {
206 s32 status;
207 s32 mode;
208 u32 reg[32];
209 u32 func;
210} TCB;
211
212typedef struct {
213 u32 _pc0;
214 u32 gp0;
215 u32 t_addr;
216 u32 t_size;
217 u32 d_addr;
218 u32 d_size;
219 u32 b_addr;
220 u32 b_size;
221 u32 S_addr;
222 u32 s_size;
223 u32 _sp, _fp, _gp, ret, base;
224} EXEC;
225
226struct DIRENTRY {
227 char name[20];
228 s32 attr;
229 s32 size;
230 u32 next;
231 s32 head;
232 char system[4];
233};
234
235typedef struct {
236 char name[32];
237 u32 mode;
238 u32 offset;
239 u32 size;
240 u32 mcfile;
241} FileDesc;
242
243static u32 *jmp_int = NULL;
244static int *pad_buf = NULL;
245static char *pad_buf1 = NULL, *pad_buf2 = NULL;
246static int pad_buf1len, pad_buf2len;
247
248static u32 regs[35];
249static EvCB *Event;
250static EvCB *HwEV; // 0xf0
251static EvCB *EvEV; // 0xf1
252static EvCB *RcEV; // 0xf2
253static EvCB *UeEV; // 0xf3
254static EvCB *SwEV; // 0xf4
255static EvCB *ThEV; // 0xff
256static u32 *heap_addr = NULL;
257static u32 *heap_end = NULL;
258static u32 SysIntRP[8];
259static int CardState = -1;
260static TCB Thread[8];
261static int CurThread = 0;
262static FileDesc FDesc[32];
e9fda093 263static u32 card_active_chan;
ef79bbde
P		 264
265boolean hleSoftCall = FALSE;
266
267static inline void softCall(u32 pc) {
268 pc0 = pc;
269 ra = 0x80001000;
270
271 hleSoftCall = TRUE;
272
273 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
274
275 hleSoftCall = FALSE;
276}
277
278static inline void softCall2(u32 pc) {
279 u32 sra = ra;
280 pc0 = pc;
281 ra = 0x80001000;
282
283 hleSoftCall = TRUE;
284
285 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
286 ra = sra;
287
288 hleSoftCall = FALSE;
289}
290
291static inline void DeliverEvent(u32 ev, u32 spec) {
292 if (Event[ev][spec].status != EvStACTIVE) return;
293
294// Event[ev][spec].status = EvStALREADY;
295 if (Event[ev][spec].mode == EvMdINTR) {
296 softCall2(Event[ev][spec].fhandler);
297 } else Event[ev][spec].status = EvStALREADY;
298}
299
300static inline void SaveRegs() {
301 memcpy(regs, psxRegs.GPR.r, 32*4);
302 regs[32] = psxRegs.GPR.n.lo;
303 regs[33] = psxRegs.GPR.n.hi;
304 regs[34] = psxRegs.pc;
305}
306
307static inline void LoadRegs() {
308 memcpy(psxRegs.GPR.r, regs, 32*4);
309 psxRegs.GPR.n.lo = regs[32];
310 psxRegs.GPR.n.hi = regs[33];
311}
312
313/* *
314// *
315// *
316// System calls A0 */
317
318
319void psxBios_abs() { // 0x0e
320 if ((s32)a0 < 0) v0 = -(s32)a0;
321 else v0 = a0;
322 pc0 = ra;
323}
324
325void psxBios_labs() { // 0x0f
326 psxBios_abs();
327}
328
329void psxBios_atoi() { // 0x10
330 s32 n = 0, f = 0;
331 char *p = (char *)Ra0;
332
333 for (;;p++) {
334 switch (*p) {
335 case ' ': case '\t': continue;
336 case '-': f++;
337 case '+': p++;
338 }
339 break;
340 }
341
342 while (*p >= '0' && *p <= '9') {
343 n = n * 10 + *p++ - '0';
344 }
345
346 v0 = (f ? -n : n);
347 pc0 = ra;
348}
349
350void psxBios_atol() { // 0x11
351 psxBios_atoi();
352}
353
354void psxBios_setjmp() { // 0x13
355 u32 *jmp_buf = (u32 *)Ra0;
356 int i;
357
358#ifdef PSXBIOS_LOG
359 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]);
360#endif
361
362 jmp_buf[0] = ra;
363 jmp_buf[1] = sp;
364 jmp_buf[2] = fp;
365 for (i = 0; i < 8; i++) // s0-s7
366 jmp_buf[3 + i] = psxRegs.GPR.r[16 + i];
367 jmp_buf[11] = gp;
368
369 v0 = 0; pc0 = ra;
370}
371
372void psxBios_longjmp() { // 0x14
373 u32 *jmp_buf = (u32 *)Ra0;
374 int i;
375
376#ifdef PSXBIOS_LOG
377 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]);
378#endif
379
380 ra = jmp_buf[0]; /* ra */
381 sp = jmp_buf[1]; /* sp */
382 fp = jmp_buf[2]; /* fp */
383 for (i = 0; i < 8; i++) // s0-s7
384 psxRegs.GPR.r[16 + i] = jmp_buf[3 + i];
385 gp = jmp_buf[11]; /* gp */
386
387 v0 = a1; pc0 = ra;
388}
389
390void psxBios_strcat() { // 0x15
391 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
392
393#ifdef PSXBIOS_LOG
394 PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1);
395#endif
396
397 while (*p1++);
398 --p1;
399 while ((*p1++ = *p2++) != '\0');
400
401 v0 = a0; pc0 = ra;
402}
403
404void psxBios_strncat() { // 0x16
405 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
406 s32 n = a2;
407
408#ifdef PSXBIOS_LOG
409 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2);
410#endif
411
412 while (*p1++);
413 --p1;
414 while ((*p1++ = *p2++) != '\0') {
415 if (--n < 0) {
416 *--p1 = '\0';
417 break;
418 }
419 }
420
421 v0 = a0; pc0 = ra;
422}
423
424void psxBios_strcmp() { // 0x17
425 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
426
427#ifdef PSXBIOS_LOG
428 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1);
429#endif
430
431 while (*p1 == *p2++) {
432 if (*p1++ == '\0') {
433 v0 = 0;
434 pc0 = ra;
435 return;
436 }
437 }
438
439 v0 = (*p1 - *--p2);
440 pc0 = ra;
441}
442
443void psxBios_strncmp() { // 0x18
444 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
445 s32 n = a2;
446
447#ifdef PSXBIOS_LOG
448 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2);
449#endif
450
451 while (--n >= 0 && *p1 == *p2++) {
452 if (*p1++ == '\0') {
453 v0 = 0;
454 pc0 = ra;
455 return;
456 }
457 }
458
459 v0 = (n < 0 ? 0 : *p1 - *--p2);
460 pc0 = ra;
461}
462
463void psxBios_strcpy() { // 0x19
464 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
465 while ((*p1++ = *p2++) != '\0');
466
467 v0 = a0; pc0 = ra;
468}
469
470void psxBios_strncpy() { // 0x1a
471 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
472 s32 n = a2, i;
473
474 for (i = 0; i < n; i++) {
475 if ((*p1++ = *p2++) == '\0') {
476 while (++i < n) {
477 *p1++ = '\0';
478 }
479 v0 = a0; pc0 = ra;
480 return;
481 }
482 }
483
484 v0 = a0; pc0 = ra;
485}
486
487void psxBios_strlen() { // 0x1b
488 char *p = (char *)Ra0;
489 v0 = 0;
490 while (*p++) v0++;
491 pc0 = ra;
492}
493
494void psxBios_index() { // 0x1c
495 char *p = (char *)Ra0;
496
497 do {
498 if (*p == a1) {
499 v0 = a0 + (p - (char *)Ra0);
500 pc0 = ra;
501 return;
502 }
503 } while (*p++ != '\0');
504
505 v0 = 0; pc0 = ra;
506}
507
508void psxBios_rindex() { // 0x1d
509 char *p = (char *)Ra0;
510
511 v0 = 0;
512
513 do {
514 if (*p == a1)
515 v0 = a0 + (p - (char *)Ra0);
516 } while (*p++ != '\0');
517
518 pc0 = ra;
519}
520
521void psxBios_strchr() { // 0x1e
522 psxBios_index();
523}
524
525void psxBios_strrchr() { // 0x1f
526 psxBios_rindex();
527}
528
529void psxBios_strpbrk() { // 0x20
530 char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc;
531
532 while ((c = *p1++) != '\0') {
533 for (scanp = p2; (sc = *scanp++) != '\0';) {
534 if (sc == c) {
535 v0 = a0 + (p1 - 1 - (char *)Ra0);
536 pc0 = ra;
537 return;
538 }
539 }
540 }
541
542 // BUG: return a0 instead of NULL if not found
543 v0 = a0; pc0 = ra;
544}
545
546void psxBios_strspn() { // 0x21
547 char *p1, *p2;
548
549 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
550 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
551 if (*p2 == '\0') break;
552 }
553
554 v0 = p1 - (char *)Ra0; pc0 = ra;
555}
556
557void psxBios_strcspn() { // 0x22
558 char *p1, *p2;
559
560 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
561 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
562 if (*p2 != '\0') break;
563 }
564
565 v0 = p1 - (char *)Ra0; pc0 = ra;
566}
567
568void psxBios_strtok() { // 0x23
569 char *pcA0 = (char *)Ra0;
570 char *pcRet = strtok(pcA0, (char *)Ra1);
571 if (pcRet)
572 v0 = a0 + pcRet - pcA0;
573 else
574 v0 = 0;
575 pc0 = ra;
576}
577
578void psxBios_strstr() { // 0x24
579 char *p = (char *)Ra0, *p1, *p2;
580
581 while (*p != '\0') {
582 p1 = p;
583 p2 = (char *)Ra1;
584
585 while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) {
586 p1++; p2++;
587 }
588
589 if (*p2 == '\0') {
590 v0 = a0 + (p - (char *)Ra0);
591 pc0 = ra;
592 return;
593 }
594
595 p++;
596 }
597
598 v0 = 0; pc0 = ra;
599}
600
601void psxBios_toupper() { // 0x25
602 v0 = (s8)(a0 & 0xff);
603 if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A';
604 pc0 = ra;
605}
606
607void psxBios_tolower() { // 0x26
608 v0 = (s8)(a0 & 0xff);
609 if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A';
610 pc0 = ra;
611}
612
613void psxBios_bcopy() { // 0x27
614 char *p1 = (char *)Ra1, *p2 = (char *)Ra0;
615 while (a2-- > 0) *p1++ = *p2++;
616
617 pc0 = ra;
618}
619
620void psxBios_bzero() { // 0x28
621 char *p = (char *)Ra0;
622 while (a1-- > 0) *p++ = '\0';
623
624 pc0 = ra;
625}
626
627void psxBios_bcmp() { // 0x29
628 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
629
630 if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; }
631
632 while (a2-- > 0) {
633 if (*p1++ != *p2++) {
634 v0 = *p1 - *p2; // BUG: compare the NEXT byte
635 pc0 = ra;
636 return;
637 }
638 }
639
640 v0 = 0; pc0 = ra;
641}
642
643void psxBios_memcpy() { // 0x2a
644 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
645 while (a2-- > 0) *p1++ = *p2++;
646
647 v0 = a0; pc0 = ra;
648}
649
650void psxBios_memset() { // 0x2b
651 char *p = (char *)Ra0;
652 while (a2-- > 0) *p++ = (char)a1;
653
654 v0 = a0; pc0 = ra;
655}
656
657void psxBios_memmove() { // 0x2c
658 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
659
660 if (p2 <= p1 && p2 + a2 > p1) {
661 a2++; // BUG: copy one more byte here
662 p1 += a2;
663 p2 += a2;
664 while (a2-- > 0) *--p1 = *--p2;
665 } else {
666 while (a2-- > 0) *p1++ = *p2++;
667 }
668
669 v0 = a0; pc0 = ra;
670}
671
672void psxBios_memcmp() { // 0x2d
673 psxBios_bcmp();
674}
675
676void psxBios_memchr() { // 0x2e
677 char *p = (char *)Ra0;
678
679 while (a2-- > 0) {
680 if (*p++ != (s8)a1) continue;
681 v0 = a0 + (p - (char *)Ra0 - 1);
682 pc0 = ra;
683 return;
684 }
685
686 v0 = 0; pc0 = ra;
687}
688
689void psxBios_rand() { // 0x2f
690 u32 s = psxMu32(0x9010) * 1103515245 + 12345;
691 v0 = (s >> 16) & 0x7fff;
692 psxMu32ref(0x9010) = SWAPu32(s);
693 pc0 = ra;
694}
695
696void psxBios_srand() { // 0x30
697 psxMu32ref(0x9010) = SWAPu32(a0);
698 pc0 = ra;
699}
700
701static u32 qscmpfunc, qswidth;
702
703static inline int qscmp(char *a, char *b) {
704 u32 sa0 = a0;
705
706 a0 = sa0 + (a - (char *)PSXM(sa0));
707 a1 = sa0 + (b - (char *)PSXM(sa0));
708
709 softCall2(qscmpfunc);
710
711 a0 = sa0;
712 return (s32)v0;
713}
714
715static inline void qexchange(char *i, char *j) {
716 char t;
717 int n = qswidth;
718
719 do {
720 t = *i;
721 *i++ = *j;
722 *j++ = t;
723 } while (--n);
724}
725
726static inline void q3exchange(char *i, char *j, char *k) {
727 char t;
728 int n = qswidth;
729
730 do {
731 t = *i;
732 *i++ = *k;
733 *k++ = *j;
734 *j++ = t;
735 } while (--n);
736}
737
738static void qsort_main(char *a, char *l) {
739 char *i, *j, *lp, *hp;
740 int c;
741 unsigned int n;
742
743start:
744 if ((n = l - a) <= qswidth)
745 return;
746 n = qswidth * (n / (2 * qswidth));
747 hp = lp = a + n;
748 i = a;
749 j = l - qswidth;
750 while (TRUE) {
751 if (i < lp) {
752 if ((c = qscmp(i, lp)) == 0) {
753 qexchange(i, lp -= qswidth);
754 continue;
755 }
756 if (c < 0) {
757 i += qswidth;
758 continue;
759 }
760 }
761
762loop:
763 if (j > hp) {
764 if ((c = qscmp(hp, j)) == 0) {
765 qexchange(hp += qswidth, j);
766 goto loop;
767 }
768 if (c > 0) {
769 if (i == lp) {
770 q3exchange(i, hp += qswidth, j);
771 i = lp += qswidth;
772 goto loop;
773 }
774 qexchange(i, j);
775 j -= qswidth;
776 i += qswidth;
777 continue;
778 }
779 j -= qswidth;
780 goto loop;
781 }
782
783 if (i == lp) {
784 if (lp - a >= l - hp) {
785 qsort_main(hp + qswidth, l);
786 l = lp;
787 } else {
788 qsort_main(a, lp);
789 a = hp + qswidth;
790 }
791 goto start;
792 }
793
794 q3exchange(j, lp -= qswidth, i);
795 j = hp -= qswidth;
796 }
797}
798
799void psxBios_qsort() { // 0x31
800 qswidth = a2;
801 qscmpfunc = a3;
802 qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
803
804 pc0 = ra;
805}
806
807void psxBios_malloc() { // 0x33
808a13bd 808 unsigned int *chunk, *newchunk = NULL;
809 unsigned int dsize = 0, csize, cstat;
ef79bbde
P		 810 int colflag;
811#ifdef PSXBIOS_LOG
812 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
813#endif
814
815 // scan through heap and combine free chunks of space
816 chunk = heap_addr;
817 colflag = 0;
818 while(chunk < heap_end) {
819 // get size and status of actual chunk
820 csize = ((u32)*chunk) & 0xfffffffc;
821 cstat = ((u32)*chunk) & 1;
822
823 // it's a free chunk
824 if(cstat == 1) {
825 if(colflag == 0) {
826 newchunk = chunk;
827 dsize = csize;
828 colflag = 1; // let's begin a new collection of free memory
829 }
830 else dsize += (csize+4); // add the new size including header
831 }
832 // not a free chunk: did we start a collection ?
833 else {
834 if(colflag == 1) { // collection is over
835 colflag = 0;
836 *newchunk = SWAP32(dsize | 1);
837 }
838 }
839
840 // next chunk
841 chunk = (u32*)((uptr)chunk + csize + 4);
842 }
843 // if neccessary free memory on end of heap
844 if (colflag == 1)
845 *newchunk = SWAP32(dsize | 1);
846
847 chunk = heap_addr;
848 csize = ((u32)*chunk) & 0xfffffffc;
849 cstat = ((u32)*chunk) & 1;
850 dsize = (a0 + 3) & 0xfffffffc;
851
852 // exit on uninitialized heap
853 if (chunk == NULL) {
854 SysPrintf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
855 v0 = 0;
856 pc0 = ra;
857 return;
858 }
859
860 // search an unused chunk that is big enough until the end of the heap
861 while ((dsize > csize || cstat == 0) && chunk < heap_end ) {
862 chunk = (u32*)((uptr)chunk + csize + 4);
863 csize = ((u32)*chunk) & 0xfffffffc;
864 cstat = ((u32)*chunk) & 1;
865 }
866
867 // catch out of memory
868 if(chunk >= heap_end) { SysPrintf("malloc %x,%x: Out of memory error!\n", v0, a0); v0 = 0; pc0 = ra; return; }
869
870 // allocate memory
871 if(dsize == csize) {
872 // chunk has same size
873 *chunk &= 0xfffffffc;
874 }
875 else {
876 // split free chunk
877 *chunk = SWAP32(dsize);
878 newchunk = (u32*)((uptr)chunk + dsize + 4);
808a13bd 879 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
ef79bbde
P		 880 }
881
882 // return pointer to allocated memory
883 v0 = ((unsigned long)chunk - (unsigned long)psxM) + 4;
884 v0|= 0x80000000;
885 SysPrintf ("malloc %x,%x\n", v0, a0);
886 pc0 = ra;
887}
888
889void psxBios_free() { // 0x34
890
891#ifdef PSXBIOS_LOG
892 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
893#endif
894
895 SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
896
897 *(u32*)(Ra0-4) |= 1; // set chunk to free
898 pc0 = ra;
899}
900
901void psxBios_calloc() { // 0x37
902#ifdef PSXBIOS_LOG
903 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
904#endif
905
906 a0 = a0 * a1;
907 psxBios_malloc();
908 memset(Rv0, 0, a0);
909}
910
911void psxBios_realloc() { // 0x38
912 u32 block = a0;
913 u32 size = a1;
914#ifdef PSXBIOS_LOG
915 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
916#endif
917
918 a0 = block;
919 psxBios_free();
920 a0 = size;
921 psxBios_malloc();
922}
923
924
925/* InitHeap(void *block , int n) */
926void psxBios_InitHeap() { // 0x39
927 unsigned int size;
928
929#ifdef PSXBIOS_LOG
930 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
931#endif
932
933 if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
934 else size = a1;
935
936 size &= 0xfffffffc;
937
938 heap_addr = (u32 *)Ra0;
939 heap_end = (u32 *)((u8 *)heap_addr + size);
940 *heap_addr = SWAP32(size | 1);
941
c979c3ee 942 SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
ef79bbde
P		 943
944 pc0 = ra;
945}
946
947void psxBios_getchar() { //0x3b
948 v0 = getchar(); pc0 = ra;
949}
950
951void psxBios_printf() { // 0x3f
952 char tmp[1024];
953 char tmp2[1024];
954 u32 save[4];
955 char *ptmp = tmp;
956 int n=1, i=0, j;
957
958 memcpy(save, (char*)PSXM(sp), 4 * 4);
959 psxMu32ref(sp) = SWAP32((u32)a0);
960 psxMu32ref(sp + 4) = SWAP32((u32)a1);
961 psxMu32ref(sp + 8) = SWAP32((u32)a2);
962 psxMu32ref(sp + 12) = SWAP32((u32)a3);
963
964 while (Ra0[i]) {
965 switch (Ra0[i]) {
966 case '%':
967 j = 0;
968 tmp2[j++] = '%';
969_start:
970 switch (Ra0[++i]) {
971 case '.':
972 case 'l':
973 tmp2[j++] = Ra0[i]; goto _start;
974 default:
975 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
976 tmp2[j++] = Ra0[i];
977 goto _start;
978 }
979 break;
980 }
981 tmp2[j++] = Ra0[i];
982 tmp2[j] = 0;
983
984 switch (Ra0[i]) {
985 case 'f': case 'F':
986 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
987 case 'a': case 'A':
988 case 'e': case 'E':
989 case 'g': case 'G':
990 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
991 case 'p':
992 case 'i':
993 case 'd': case 'D':
994 case 'o': case 'O':
995 case 'x': case 'X':
996 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
997 case 'c':
998 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
999 case 's':
1000 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1001 case '%':
1002 *ptmp++ = Ra0[i]; break;
1003 }
1004 i++;
1005 break;
1006 default:
1007 *ptmp++ = Ra0[i++];
1008 }
1009 }
1010 *ptmp = 0;
1011
1012 memcpy((char*)PSXM(sp), save, 4 * 4);
1013
808a13bd 1014 SysPrintf("%s", tmp);
ef79bbde
P		 1015
1016 pc0 = ra;
1017}
1018
1019/*
1020 * long Load(char *name, struct EXEC *header);
1021 */
1022
1023void psxBios_Load() { // 0x42
1024 EXE_HEADER eheader;
1025
1026#ifdef PSXBIOS_LOG
1027 PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1028#endif
1029
1030 if (LoadCdromFile(Ra0, &eheader) == 0) {
1031 memcpy(Ra1, ((char*)&eheader)+16, sizeof(EXEC));
1032 v0 = 1;
1033 } else v0 = 0;
1034
1035 pc0 = ra;
1036}
1037
1038/*
1039 * int Exec(struct EXEC *header , int argc , char **argv);
1040 */
1041
1042void psxBios_Exec() { // 43
1043 EXEC *header = (EXEC*)Ra0;
1044 u32 tmp;
1045
1046#ifdef PSXBIOS_LOG
1047 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1048#endif
1049
1050 header->_sp = sp;
1051 header->_fp = fp;
1052 header->_sp = sp;
1053 header->_gp = gp;
1054 header->ret = ra;
1055 header->base = s0;
1056
1057 if (header->S_addr != 0) {
1058 tmp = header->S_addr + header->s_size;
1059 sp = tmp;
1060 fp = sp;
1061 }
1062
1063 gp = header->gp0;
1064
1065 s0 = a0;
1066
1067 a0 = a1;
1068 a1 = a2;
1069
1070 ra = 0x8000;
1071 pc0 = header->_pc0;
1072}
1073
1074void psxBios_FlushCache() { // 44
1075#ifdef PSXBIOS_LOG
1076 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1077#endif
1078
1079 pc0 = ra;
1080}
1081
1082void psxBios_GPU_dw() { // 0x46
1083 int size;
1084 s32 *ptr;
1085
1086#ifdef PSXBIOS_LOG
1087 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1088#endif
1089
1090 GPU_writeData(0xa0000000);
1091 GPU_writeData((a1<<16)|(a0&0xffff));
1092 GPU_writeData((a3<<16)|(a2&0xffff));
1093 size = (a2*a3+1)/2;
1094 ptr = (s32*)PSXM(Rsp[4]); //that is correct?
1095 do {
1096 GPU_writeData(SWAP32(*ptr));
1097 ptr++;
1098 } while(--size);
1099
1100 pc0 = ra;
1101}
1102
1103void psxBios_mem2vram() { // 0x47
1104 int size;
1105
1106 GPU_writeData(0xa0000000);
1107 GPU_writeData((a1<<16)|(a0&0xffff));
1108 GPU_writeData((a3<<16)|(a2&0xffff));
1109 size = (a2*a3+1)/2;
1110 GPU_writeStatus(0x04000002);
1111 psxHwWrite32(0x1f8010f4,0);
1112 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1113 psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1114 psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1115 psxHwWrite32(0x1f8010a8,0x01000201);
1116
1117 pc0 = ra;
1118}
1119
1120void psxBios_SendGPU() { // 0x48
1121 GPU_writeStatus(a0);
ddbaf678 1122 gpuSyncPluginSR();
ef79bbde
P		 1123 pc0 = ra;
1124}
1125
1126void psxBios_GPU_cw() { // 0x49
1127 GPU_writeData(a0);
1128 pc0 = ra;
1129}
1130
1131void psxBios_GPU_cwb() { // 0x4a
1132 s32 *ptr = (s32*)Ra0;
1133 int size = a1;
1134 while(size--) {
1135 GPU_writeData(SWAP32(*ptr));
1136 ptr++;
1137 }
1138
1139 pc0 = ra;
1140}
1141
1142void psxBios_GPU_SendPackets() { //4b:
1143 GPU_writeStatus(0x04000002);
1144 psxHwWrite32(0x1f8010f4,0);
1145 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1146 psxHwWrite32(0x1f8010a0,a0);
1147 psxHwWrite32(0x1f8010a4,0);
1148 psxHwWrite32(0x1f8010a8,0x010000401);
1149 pc0 = ra;
1150}
1151
1152void psxBios_sys_a0_4c() { // 0x4c GPU relate
1153 psxHwWrite32(0x1f8010a8,0x00000401);
1154 GPU_writeData(0x0400000);
1155 GPU_writeData(0x0200000);
1156 GPU_writeData(0x0100000);
1157
1158 pc0 = ra;
1159}
1160
1161void psxBios_GPU_GetGPUStatus() { // 0x4d
1162 v0 = GPU_readStatus();
1163 pc0 = ra;
1164}
1165
1166#undef s_addr
1167
1168void psxBios_LoadExec() { // 51
1169 EXEC *header = (EXEC*)PSXM(0xf000);
1170 u32 s_addr, s_size;
1171
1172#ifdef PSXBIOS_LOG
1173 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1174#endif
1175 s_addr = a1; s_size = a2;
1176
1177 a1 = 0xf000;
1178 psxBios_Load();
1179
1180 header->S_addr = s_addr;
1181 header->s_size = s_size;
1182
1183 a0 = 0xf000; a1 = 0; a2 = 0;
1184 psxBios_Exec();
1185}
1186
1187void psxBios__bu_init() { // 70
1188#ifdef PSXBIOS_LOG
1189 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1190#endif
1191
1192 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1193 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1194
1195 pc0 = ra;
1196}
1197
1198void psxBios__96_init() { // 71
1199#ifdef PSXBIOS_LOG
1200 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1201#endif
1202
1203 pc0 = ra;
1204}
1205
1206void psxBios__96_remove() { // 72
1207#ifdef PSXBIOS_LOG
1208 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1209#endif
1210
1211 pc0 = ra;
1212}
1213
1214void psxBios_SetMem() { // 9f
1215 u32 new = psxHu32(0x1060);
1216
1217#ifdef PSXBIOS_LOG
1218 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1219#endif
1220
1221 switch(a0) {
1222 case 2:
1223 psxHu32ref(0x1060) = SWAP32(new);
1224 psxMu32ref(0x060) = a0;
1225 SysPrintf("Change effective memory : %d MBytes\n",a0);
1226 break;
1227
1228 case 8:
1229 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1230 psxMu32ref(0x060) = a0;
1231 SysPrintf("Change effective memory : %d MBytes\n",a0);
1232
1233 default:
1234 SysPrintf("Effective memory must be 2/8 MBytes\n");
1235 break;
1236 }
1237
1238 pc0 = ra;
1239}
1240
1241void psxBios__card_info() { // ab
1242#ifdef PSXBIOS_LOG
1243 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1244#endif
1245
e9fda093 1246 card_active_chan = a0;
1247
ef79bbde
P		 1248// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1249 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1250
1251 v0 = 1; pc0 = ra;
1252}
1253
1254void psxBios__card_load() { // ac
1255#ifdef PSXBIOS_LOG
1256 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1257#endif
1258
e9fda093 1259 card_active_chan = a0;
1260
ef79bbde
P		 1261// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1262 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1263
1264 v0 = 1; pc0 = ra;
1265}
1266
1267/* System calls B0 */
1268
1269void psxBios_SetRCnt() { // 02
1270#ifdef PSXBIOS_LOG
1271 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1272#endif
1273
1274 a0&= 0x3;
1275 if (a0 != 3) {
1276 u32 mode=0;
1277
1278 psxRcntWtarget(a0, a1);
1279 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1280 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1281 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1282 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1283 else { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1284
1285 psxRcntWmode(a0, mode);
1286 }
1287 pc0 = ra;
1288}
1289
1290void psxBios_GetRCnt() { // 03
1291#ifdef PSXBIOS_LOG
1292 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1293#endif
1294
1295 a0&= 0x3;
1296 if (a0 != 3) v0 = psxRcntRcount(a0);
1297 else v0 = 0;
1298 pc0 = ra;
1299}
1300
1301void psxBios_StartRCnt() { // 04
1302#ifdef PSXBIOS_LOG
1303 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1304#endif
1305
1306 a0&= 0x3;
1307 if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1308 else psxHu32ref(0x1074)|= SWAPu32(0x1);
1309 v0 = 1; pc0 = ra;
1310}
1311
1312void psxBios_StopRCnt() { // 05
1313#ifdef PSXBIOS_LOG
1314 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1315#endif
1316
1317 a0&= 0x3;
1318 if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1319 else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1320 pc0 = ra;
1321}
1322
1323void psxBios_ResetRCnt() { // 06
1324#ifdef PSXBIOS_LOG
1325 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1326#endif
1327
1328 a0&= 0x3;
1329 if (a0 != 3) {
1330 psxRcntWmode(a0, 0);
1331 psxRcntWtarget(a0, 0);
1332 psxRcntWcount(a0, 0);
1333 }
1334 pc0 = ra;
1335}
1336
1337
1338/* gets ev for use with Event */
1339#define GetEv() \
1340 ev = (a0 >> 24) & 0xf; \
1341 if (ev == 0xf) ev = 0x5; \
1342 ev*= 32; \
1343 ev+= a0&0x1f;
1344
1345/* gets spec for use with Event */
1346#define GetSpec() \
1347 spec = 0; \
1348 switch (a1) { \
1349 case 0x0301: spec = 16; break; \
1350 case 0x0302: spec = 17; break; \
1351 default: \
1352 for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1353 break; \
1354 }
1355
1356void psxBios_DeliverEvent() { // 07
1357 int ev, spec;
1358 int i;
1359
1360 GetEv();
1361 GetSpec();
1362
1363#ifdef PSXBIOS_LOG
1364 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1365#endif
1366
1367 DeliverEvent(ev, spec);
1368
1369 pc0 = ra;
1370}
1371
1372void psxBios_OpenEvent() { // 08
1373 int ev, spec;
1374 int i;
1375
1376 GetEv();
1377 GetSpec();
1378
1379#ifdef PSXBIOS_LOG
1380 PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1381#endif
1382
1383 Event[ev][spec].status = EvStWAIT;
1384 Event[ev][spec].mode = a2;
1385 Event[ev][spec].fhandler = a3;
1386
1387 v0 = ev | (spec << 8);
1388 pc0 = ra;
1389}
1390
1391void psxBios_CloseEvent() { // 09
1392 int ev, spec;
1393
1394 ev = a0 & 0xff;
1395 spec = (a0 >> 8) & 0xff;
1396
1397#ifdef PSXBIOS_LOG
1398 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1399#endif
1400
1401 Event[ev][spec].status = EvStUNUSED;
1402
1403 v0 = 1; pc0 = ra;
1404}
1405
1406void psxBios_WaitEvent() { // 0a
1407 int ev, spec;
1408
1409 ev = a0 & 0xff;
1410 spec = (a0 >> 8) & 0xff;
1411
1412#ifdef PSXBIOS_LOG
1413 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1414#endif
1415
1416 Event[ev][spec].status = EvStACTIVE;
1417
1418 v0 = 1; pc0 = ra;
1419}
1420
1421void psxBios_TestEvent() { // 0b
1422 int ev, spec;
1423
1424 ev = a0 & 0xff;
1425 spec = (a0 >> 8) & 0xff;
1426
1427 if (Event[ev][spec].status == EvStALREADY) {
1428 Event[ev][spec].status = EvStACTIVE; v0 = 1;
1429 } else v0 = 0;
1430
1431#ifdef PSXBIOS_LOG
1432 PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1433#endif
1434
1435 pc0 = ra;
1436}
1437
1438void psxBios_EnableEvent() { // 0c
1439 int ev, spec;
1440
1441 ev = a0 & 0xff;
1442 spec = (a0 >> 8) & 0xff;
1443
1444#ifdef PSXBIOS_LOG
1445 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1446#endif
1447
1448 Event[ev][spec].status = EvStACTIVE;
1449
1450 v0 = 1; pc0 = ra;
1451}
1452
1453void psxBios_DisableEvent() { // 0d
1454 int ev, spec;
1455
1456 ev = a0 & 0xff;
1457 spec = (a0 >> 8) & 0xff;
1458
1459#ifdef PSXBIOS_LOG
1460 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1461#endif
1462
1463 Event[ev][spec].status = EvStWAIT;
1464
1465 v0 = 1; pc0 = ra;
1466}
1467
1468/*
1469 * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1470 */
1471
1472void psxBios_OpenTh() { // 0e
1473 int th;
1474
1475 for (th=1; th<8; th++)
1476 if (Thread[th].status == 0) break;
1477
1478#ifdef PSXBIOS_LOG
1479 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1480#endif
1481
1482 Thread[th].status = 1;
1483 Thread[th].func = a0;
1484 Thread[th].reg[29] = a1;
1485 Thread[th].reg[28] = a2;
1486
1487 v0 = th; pc0 = ra;
1488}
1489
1490/*
1491 * int CloseTh(long thread);
1492 */
1493
1494void psxBios_CloseTh() { // 0f
1495 int th = a0 & 0xff;
1496
1497#ifdef PSXBIOS_LOG
1498 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1499#endif
1500
1501 if (Thread[th].status == 0) {
1502 v0 = 0;
1503 } else {
1504 Thread[th].status = 0;
1505 v0 = 1;
1506 }
1507
1508 pc0 = ra;
1509}
1510
1511/*
1512 * int ChangeTh(long thread);
1513 */
1514
1515void psxBios_ChangeTh() { // 10
1516 int th = a0 & 0xff;
1517
1518#ifdef PSXBIOS_LOG
1519// PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1520#endif
1521
1522 if (Thread[th].status == 0 || CurThread == th) {
1523 v0 = 0;
1524
1525 pc0 = ra;
1526 } else {
1527 v0 = 1;
1528
1529 if (Thread[CurThread].status == 2) {
1530 Thread[CurThread].status = 1;
1531 Thread[CurThread].func = ra;
1532 memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1533 }
1534
1535 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1536 pc0 = Thread[th].func;
1537 Thread[th].status = 2;
1538 CurThread = th;
1539 }
1540}
1541
1542void psxBios_InitPAD() { // 0x12
1543#ifdef PSXBIOS_LOG
1544 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1545#endif
1546
1547 pad_buf1 = (char*)Ra0;
1548 pad_buf1len = a1;
1549 pad_buf2 = (char*)Ra2;
1550 pad_buf2len = a3;
1551
1552 v0 = 1; pc0 = ra;
1553}
1554
1555void psxBios_StartPAD() { // 13
1556#ifdef PSXBIOS_LOG
1557 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1558#endif
1559
1560 psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1561 psxRegs.CP0.n.Status |= 0x401;
1562 pc0 = ra;
1563}
1564
1565void psxBios_StopPAD() { // 14
1566#ifdef PSXBIOS_LOG
1567 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1568#endif
1569
1570 pad_buf1 = NULL;
1571 pad_buf2 = NULL;
1572 pc0 = ra;
1573}
1574
1575void psxBios_PAD_init() { // 15
1576#ifdef PSXBIOS_LOG
1577 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1578#endif
1579 psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1580 pad_buf = (int *)Ra1;
1581 *pad_buf = -1;
1582 psxRegs.CP0.n.Status |= 0x401;
1583 pc0 = ra;
1584}
1585
1586void psxBios_PAD_dr() { // 16
1587#ifdef PSXBIOS_LOG
1588 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1589#endif
1590
1591 v0 = -1; pc0 = ra;
1592}
1593
1594void psxBios_ReturnFromException() { // 17
1595 LoadRegs();
1596
1597 pc0 = psxRegs.CP0.n.EPC;
1598 if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1599
1600 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1601 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1602}
1603
1604void psxBios_ResetEntryInt() { // 18
1605#ifdef PSXBIOS_LOG
1606 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1607#endif
1608
1609 jmp_int = NULL;
1610 pc0 = ra;
1611}
1612
1613void psxBios_HookEntryInt() { // 19
1614#ifdef PSXBIOS_LOG
1615 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
1616#endif
1617
1618 jmp_int = (u32*)Ra0;
1619 pc0 = ra;
1620}
1621
1622void psxBios_UnDeliverEvent() { // 0x20
1623 int ev, spec;
1624 int i;
1625
1626 GetEv();
1627 GetSpec();
1628
1629#ifdef PSXBIOS_LOG
1630 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
1631#endif
1632
1633 if (Event[ev][spec].status == EvStALREADY &&
1634 Event[ev][spec].mode == EvMdNOINTR)
1635 Event[ev][spec].status = EvStACTIVE;
1636
1637 pc0 = ra;
1638}
1639
1640#define buopen(mcd) { \
1641 strcpy(FDesc[1 + mcd].name, Ra0+5); \
1642 FDesc[1 + mcd].offset = 0; \
1643 FDesc[1 + mcd].mode = a1; \
1644 \
1645 for (i=1; i<16; i++) { \
1646 ptr = Mcd##mcd##Data + 128 * i; \
1647 if ((*ptr & 0xF0) != 0x50) continue; \
1648 if (strcmp(FDesc[1 + mcd].name, ptr+0xa)) continue; \
1649 FDesc[1 + mcd].mcfile = i; \
1650 SysPrintf("open %s\n", ptr+0xa); \
1651 v0 = 1 + mcd; \
1652 break; \
1653 } \
1654 if (a1 & 0x200 && v0 == -1) { /* FCREAT */ \
1655 for (i=1; i<16; i++) { \
1656 int j, xor = 0; \
1657 \
1658 ptr = Mcd##mcd##Data + 128 * i; \
1659 if ((*ptr & 0xF0) == 0x50) continue; \
1660 ptr[0] = 0x50 | (u8)(a1 >> 16); \
1661 ptr[4] = 0x00; \
1662 ptr[5] = 0x20; \
1663 ptr[6] = 0x00; \
1664 ptr[7] = 0x00; \
1665 ptr[8] = 'B'; \
1666 ptr[9] = 'I'; \
1667 strcpy(ptr+0xa, FDesc[1 + mcd].name); \
1668 for (j=0; j<127; j++) xor^= ptr[j]; \
1669 ptr[127] = xor; \
1670 FDesc[1 + mcd].mcfile = i; \
1671 SysPrintf("openC %s\n", ptr); \
1672 v0 = 1 + mcd; \
1673 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 128); \
1674 break; \
1675 } \
1676 } \
1677}
1678
1679/*
1680 * int open(char *name , int mode);
1681 */
1682
1683void psxBios_open() { // 0x32
1684 int i;
1685 char *ptr;
1686
1687#ifdef PSXBIOS_LOG
1688 PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
1689#endif
1690
1691 v0 = -1;
1692
1693 if (!strncmp(Ra0, "bu00", 4)) {
1694 buopen(1);
1695 }
1696
1697 if (!strncmp(Ra0, "bu10", 4)) {
1698 buopen(2);
1699 }
1700
1701 pc0 = ra;
1702}
1703
1704/*
1705 * int lseek(int fd , int offset , int whence);
1706 */
1707
1708void psxBios_lseek() { // 0x33
1709#ifdef PSXBIOS_LOG
1710 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
1711#endif
1712
1713 switch (a2) {
1714 case 0: // SEEK_SET
1715 FDesc[a0].offset = a1;
1716 v0 = a1;
1717// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1718// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1719 break;
1720
1721 case 1: // SEEK_CUR
1722 FDesc[a0].offset+= a1;
1723 v0 = FDesc[a0].offset;
1724 break;
1725 }
1726
1727 pc0 = ra;
1728}
1729
1730#define buread(mcd) { \
1731 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); \
1732 ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1733 memcpy(Ra1, ptr, a2); \
1734 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1735 else v0 = a2; \
1736 FDesc[1 + mcd].offset += v0; \
1737 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1738 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
1739}
1740
1741/*
1742 * int read(int fd , void *buf , int nbytes);
1743 */
1744
1745void psxBios_read() { // 0x34
1746 char *ptr;
1747
1748#ifdef PSXBIOS_LOG
1749 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
1750#endif
1751
1752 v0 = -1;
1753
1754 switch (a0) {
1755 case 2: buread(1); break;
1756 case 3: buread(2); break;
1757 }
1758
1759 pc0 = ra;
1760}
1761
1762#define buwrite(mcd) { \
1763 u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1764 SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \
1765 ptr = Mcd##mcd##Data + offset; \
1766 memcpy(ptr, Ra1, a2); \
1767 FDesc[1 + mcd].offset += a2; \
1768 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, offset, a2); \
1769 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1770 else v0 = a2; \
1771 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1772 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
1773}
1774
1775/*
1776 * int write(int fd , void *buf , int nbytes);
1777 */
1778
1779void psxBios_write() { // 0x35/0x03
1780 char *ptr;
1781
1782 if (a0 == 1) { // stdout
1783 char *ptr = Ra1;
1784
1785 while (a2 > 0) {
1786 SysPrintf("%c", *ptr++); a2--;
1787 }
1788 pc0 = ra; return;
1789 }
1790#ifdef PSXBIOS_LOG
1791 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
1792#endif
1793
1794 v0 = -1;
1795
1796 switch (a0) {
1797 case 2: buwrite(1); break;
1798 case 3: buwrite(2); break;
1799 }
1800
1801 pc0 = ra;
1802}
1803
1804/*
1805 * int close(int fd);
1806 */
1807
1808void psxBios_close() { // 0x36
1809#ifdef PSXBIOS_LOG
1810 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
1811#endif
1812
1813 v0 = a0;
1814 pc0 = ra;
1815}
1816
1817void psxBios_putchar() { // 3d
1818 SysPrintf("%c", (char)a0);
1819 pc0 = ra;
1820}
1821
1822void psxBios_puts() { // 3e/3f
808a13bd 1823 SysPrintf("%s", Ra0);
ef79bbde
P		 1824 pc0 = ra;
1825}
1826
1827char ffile[64], *pfile;
1828int nfile;
1829
1830#define bufile(mcd) { \
1831 while (nfile < 16) { \
1832 int match=1; \
1833 \
1834 ptr = Mcd##mcd##Data + 128 * nfile; \
1835 nfile++; \
1836 if ((*ptr & 0xF0) != 0x50) continue; \
1837 ptr+= 0xa; \
1838 if (pfile[0] == 0) { \
1839 strcpy(dir->name, ptr); \
1840 } else for (i=0; i<20; i++) { \
1841 if (pfile[i] == ptr[i]) { \
1842 dir->name[i] = ptr[i]; \
1843 if (ptr[i] == 0) break; else continue; } \
1844 if (pfile[i] == '?') { \
1845 dir->name[i] = ptr[i]; continue; } \
1846 if (pfile[i] == '*') { \
1847 strcpy(dir->name+i, ptr+i); break; } \
1848 match = 0; break; \
1849 } \
1850 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
1851 if (match == 0) continue; \
1852 dir->size = 8192; \
1853 v0 = _dir; \
1854 break; \
1855 } \
1856}
1857
1858/*
1859 * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
1860 */
1861
1862void psxBios_firstfile() { // 42
1863 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
1864 u32 _dir = a1;
1865 char *ptr;
1866 int i;
1867
1868#ifdef PSXBIOS_LOG
1869 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
1870#endif
1871
1872 v0 = 0;
1873
1874 strcpy(ffile, Ra0);
1875 pfile = ffile+5;
1876 nfile = 1;
1877 if (!strncmp(Ra0, "bu00", 4)) {
1878 bufile(1);
190d4915 1879 } else if (!strncmp(Ra0, "bu10", 4)) {
ef79bbde 1880 bufile(2);
ef79bbde
P		 1881 }
1882
66ade381 1883 // firstfile() calls _card_read() internally, so deliver it's event
1884 DeliverEvent(0x11, 0x2);
1885
ef79bbde
P		 1886 pc0 = ra;
1887}
1888
1889/*
1890 * struct DIRENTRY* nextfile(struct DIRENTRY *dir);
1891 */
1892
1893void psxBios_nextfile() { // 43
1894 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
1895 u32 _dir = a0;
1896 char *ptr;
1897 int i;
1898
1899#ifdef PSXBIOS_LOG
1900 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
1901#endif
1902
1903 v0 = 0;
1904
1905 if (!strncmp(ffile, "bu00", 4)) {
1906 bufile(1);
1907 }
1908
1909 if (!strncmp(ffile, "bu10", 4)) {
1910 bufile(2);
1911 }
1912
1913 pc0 = ra;
1914}
1915
1916#define burename(mcd) { \
1917 for (i=1; i<16; i++) { \
1918 int namelen, j, xor = 0; \
1919 ptr = Mcd##mcd##Data + 128 * i; \
1920 if ((*ptr & 0xF0) != 0x50) continue; \
1921 if (strcmp(Ra0+5, ptr+0xa)) continue; \
1922 namelen = strlen(Ra1+5); \
1923 memcpy(ptr+0xa, Ra1+5, namelen); \
1924 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
1925 for (j=0; j<127; j++) xor^= ptr[j]; \
1926 ptr[127] = xor; \
1927 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
1928 v0 = 1; \
1929 break; \
1930 } \
1931}
1932
1933/*
1934 * int rename(char *old, char *new);
1935 */
1936
1937void psxBios_rename() { // 44
1938 char *ptr;
1939 int i;
1940
1941#ifdef PSXBIOS_LOG
1942 PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
1943#endif
1944
1945 v0 = 0;
1946
1947 if (!strncmp(Ra0, "bu00", 4) && !strncmp(Ra1, "bu00", 4)) {
1948 burename(1);
1949 }
1950
1951 if (!strncmp(Ra0, "bu10", 4) && !strncmp(Ra1, "bu10", 4)) {
1952 burename(2);
1953 }
1954
1955 pc0 = ra;
1956}
1957
1958
1959#define budelete(mcd) { \
1960 for (i=1; i<16; i++) { \
1961 ptr = Mcd##mcd##Data + 128 * i; \
1962 if ((*ptr & 0xF0) != 0x50) continue; \
1963 if (strcmp(Ra0+5, ptr+0xa)) continue; \
1964 *ptr = (*ptr & 0xf) | 0xA0; \
1965 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
1966 SysPrintf("delete %s\n", ptr+0xa); \
1967 v0 = 1; \
1968 break; \
1969 } \
1970}
1971
1972/*
1973 * int delete(char *name);
1974 */
1975
1976void psxBios_delete() { // 45
1977 char *ptr;
1978 int i;
1979
1980#ifdef PSXBIOS_LOG
1981 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
1982#endif
1983
1984 v0 = 0;
1985
1986 if (!strncmp(Ra0, "bu00", 4)) {
1987 budelete(1);
1988 }
1989
1990 if (!strncmp(Ra0, "bu10", 4)) {
1991 budelete(2);
1992 }
1993
1994 pc0 = ra;
1995}
1996
1997void psxBios_InitCARD() { // 4a
1998#ifdef PSXBIOS_LOG
1999 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2000#endif
2001
2002 CardState = 0;
2003
2004 pc0 = ra;
2005}
2006
2007void psxBios_StartCARD() { // 4b
2008#ifdef PSXBIOS_LOG
2009 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2010#endif
2011
2012 if (CardState == 0) CardState = 1;
2013
2014 pc0 = ra;
2015}
2016
2017void psxBios_StopCARD() { // 4c
2018#ifdef PSXBIOS_LOG
2019 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2020#endif
2021
2022 if (CardState == 1) CardState = 0;
2023
2024 pc0 = ra;
2025}
2026
2027void psxBios__card_write() { // 0x4e
2028 int port;
2029
2030#ifdef PSXBIOS_LOG
2031 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2032#endif
2033
e9fda093 2034 card_active_chan = a0;
ef79bbde
P		 2035 port = a0 >> 4;
2036
2037 if (port == 0) {
2038 memcpy(Mcd1Data + a1 * 128, Ra2, 128);
2039 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2040 } else {
2041 memcpy(Mcd2Data + a1 * 128, Ra2, 128);
2042 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2043 }
2044
2045 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2046// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2047
2048 v0 = 1; pc0 = ra;
2049}
2050
2051void psxBios__card_read() { // 0x4f
2052 int port;
2053
2054#ifdef PSXBIOS_LOG
2055 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2056#endif
2057
e9fda093 2058 card_active_chan = a0;
ef79bbde
P		 2059 port = a0 >> 4;
2060
2061 if (port == 0) {
2062 memcpy(Ra2, Mcd1Data + a1 * 128, 128);
2063 } else {
2064 memcpy(Ra2, Mcd2Data + a1 * 128, 128);
2065 }
2066
2067 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2068// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2069
2070 v0 = 1; pc0 = ra;
2071}
2072
2073void psxBios__new_card() { // 0x50
2074#ifdef PSXBIOS_LOG
2075 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2076#endif
2077
2078 pc0 = ra;
2079}
2080
2081void psxBios_Krom2RawAdd() { // 0x51
2082 int i = 0;
2083
2084 const u32 table_8140[][2] = {
2085 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2086 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2087 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2088 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2089 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2090 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2091 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2092 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2093 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2094 {0xffff, 0}
2095 };
2096
2097 const u32 table_889f[][2] = {
2098 {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4},
2099 {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304},
2100 {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14},
2101 {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24},
2102 {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734},
2103 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2104 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2105 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2106 {0xffff, 0}
2107 };
2108
2109 if (a0 >= 0x8140 && a0 <= 0x84be) {
2110 while (table_8140[i][0] <= a0) i++;
2111 a0 -= table_8140[i - 1][0];
2112 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2113 } else if (a0 >= 0x889f && a0 <= 0x9872) {
2114 while (table_889f[i][0] <= a0) i++;
2115 a0 -= table_889f[i - 1][0];
2116 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2117 } else {
2118 v0 = 0xffffffff;
2119 }
2120
2121 pc0 = ra;
2122}
2123
2124void psxBios_GetC0Table() { // 56
2125#ifdef PSXBIOS_LOG
2126 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2127#endif
2128
2129 v0 = 0x674; pc0 = ra;
2130}
2131
2132void psxBios_GetB0Table() { // 57
2133#ifdef PSXBIOS_LOG
2134 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2135#endif
2136
2137 v0 = 0x874; pc0 = ra;
2138}
2139
e9fda093 2140void psxBios__card_chan() { // 0x58
2141#ifdef PSXBIOS_LOG
2142 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2143#endif
2144
2145 v0 = card_active_chan;
2146 pc0 = ra;
2147}
2148
ef79bbde
P		 2149void psxBios_ChangeClearPad() { // 5b
2150#ifdef PSXBIOS_LOG
2151 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2152#endif
2153
2154 pc0 = ra;
2155}
2156
2157/* System calls C0 */
2158
2159/*
2160 * int SysEnqIntRP(int index , long *queue);
2161 */
2162
2163void psxBios_SysEnqIntRP() { // 02
2164#ifdef PSXBIOS_LOG
2165 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2166#endif
2167
2168 SysIntRP[a0] = a1;
2169
2170 v0 = 0; pc0 = ra;
2171}
2172
2173/*
2174 * int SysDeqIntRP(int index , long *queue);
2175 */
2176
2177void psxBios_SysDeqIntRP() { // 03
2178#ifdef PSXBIOS_LOG
2179 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2180#endif
2181
2182 SysIntRP[a0] = 0;
2183
2184 v0 = 0; pc0 = ra;
2185}
2186
2187void psxBios_ChangeClearRCnt() { // 0a
2188 u32 *ptr;
2189
2190#ifdef PSXBIOS_LOG
2191 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2192#endif
2193
2194 ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2195 v0 = *ptr;
2196 *ptr = a1;
2197
2198// psxRegs.CP0.n.Status|= 0x404;
2199 pc0 = ra;
2200}
2201
2202void psxBios_dummy() {
2203#ifdef PSXBIOS_LOG
2204 PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2205#endif
2206 pc0 = ra;
2207}
2208
2209void (*biosA0[256])();
2210void (*biosB0[256])();
2211void (*biosC0[256])();
2212
2213#include "sjisfont.h"
2214
2215void psxBiosInit() {
2216 u32 base, size;
2217 u32 *ptr;
2218 int i;
2219 uLongf len;
2220
2221 for(i = 0; i < 256; i++) {
2222 biosA0[i] = NULL;
2223 biosB0[i] = NULL;
2224 biosC0[i] = NULL;
2225 }
2226 biosA0[0x3e] = psxBios_puts;
2227 biosA0[0x3f] = psxBios_printf;
2228
2229 biosB0[0x3d] = psxBios_putchar;
2230 biosB0[0x3f] = psxBios_puts;
2231
2232 if (!Config.HLE) return;
2233
2234 for(i = 0; i < 256; i++) {
2235 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2236 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2237 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2238 }
2239
2240 biosA0[0x00] = psxBios_open;
2241 biosA0[0x01] = psxBios_lseek;
2242 biosA0[0x02] = psxBios_read;
2243 biosA0[0x03] = psxBios_write;
2244 biosA0[0x04] = psxBios_close;
2245 //biosA0[0x05] = psxBios_ioctl;
2246 //biosA0[0x06] = psxBios_exit;
2247 //biosA0[0x07] = psxBios_sys_a0_07;
2248 //biosA0[0x08] = psxBios_getc;
2249 //biosA0[0x09] = psxBios_putc;
2250 //biosA0[0x0a] = psxBios_todigit;
2251 //biosA0[0x0b] = psxBios_atof;
2252 //biosA0[0x0c] = psxBios_strtoul;
2253 //biosA0[0x0d] = psxBios_strtol;
2254 biosA0[0x0e] = psxBios_abs;
2255 biosA0[0x0f] = psxBios_labs;
2256 biosA0[0x10] = psxBios_atoi;
2257 biosA0[0x11] = psxBios_atol;
2258 //biosA0[0x12] = psxBios_atob;
2259 biosA0[0x13] = psxBios_setjmp;
2260 biosA0[0x14] = psxBios_longjmp;
2261 biosA0[0x15] = psxBios_strcat;
2262 biosA0[0x16] = psxBios_strncat;
2263 biosA0[0x17] = psxBios_strcmp;
2264 biosA0[0x18] = psxBios_strncmp;
2265 biosA0[0x19] = psxBios_strcpy;
2266 biosA0[0x1a] = psxBios_strncpy;
2267 biosA0[0x1b] = psxBios_strlen;
2268 biosA0[0x1c] = psxBios_index;
2269 biosA0[0x1d] = psxBios_rindex;
2270 biosA0[0x1e] = psxBios_strchr;
2271 biosA0[0x1f] = psxBios_strrchr;
2272 biosA0[0x20] = psxBios_strpbrk;
2273 biosA0[0x21] = psxBios_strspn;
2274 biosA0[0x22] = psxBios_strcspn;
2275 biosA0[0x23] = psxBios_strtok;
2276 biosA0[0x24] = psxBios_strstr;
2277 biosA0[0x25] = psxBios_toupper;
2278 biosA0[0x26] = psxBios_tolower;
2279 biosA0[0x27] = psxBios_bcopy;
2280 biosA0[0x28] = psxBios_bzero;
2281 biosA0[0x29] = psxBios_bcmp;
2282 biosA0[0x2a] = psxBios_memcpy;
2283 biosA0[0x2b] = psxBios_memset;
2284 biosA0[0x2c] = psxBios_memmove;
2285 biosA0[0x2d] = psxBios_memcmp;
2286 biosA0[0x2e] = psxBios_memchr;
2287 biosA0[0x2f] = psxBios_rand;
2288 biosA0[0x30] = psxBios_srand;
2289 biosA0[0x31] = psxBios_qsort;
2290 //biosA0[0x32] = psxBios_strtod;
2291 biosA0[0x33] = psxBios_malloc;
2292 biosA0[0x34] = psxBios_free;
2293 //biosA0[0x35] = psxBios_lsearch;
2294 //biosA0[0x36] = psxBios_bsearch;
2295 biosA0[0x37] = psxBios_calloc;
2296 biosA0[0x38] = psxBios_realloc;
2297 biosA0[0x39] = psxBios_InitHeap;
2298 //biosA0[0x3a] = psxBios__exit;
2299 biosA0[0x3b] = psxBios_getchar;
2300 biosA0[0x3c] = psxBios_putchar;
2301 //biosA0[0x3d] = psxBios_gets;
2302 //biosA0[0x40] = psxBios_sys_a0_40;
2303 //biosA0[0x41] = psxBios_LoadTest;
2304 biosA0[0x42] = psxBios_Load;
2305 biosA0[0x43] = psxBios_Exec;
2306 biosA0[0x44] = psxBios_FlushCache;
2307 //biosA0[0x45] = psxBios_InstallInterruptHandler;
2308 biosA0[0x46] = psxBios_GPU_dw;
2309 biosA0[0x47] = psxBios_mem2vram;
2310 biosA0[0x48] = psxBios_SendGPU;
2311 biosA0[0x49] = psxBios_GPU_cw;
2312 biosA0[0x4a] = psxBios_GPU_cwb;
2313 biosA0[0x4b] = psxBios_GPU_SendPackets;
2314 biosA0[0x4c] = psxBios_sys_a0_4c;
2315 biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2316 //biosA0[0x4e] = psxBios_GPU_sync;
2317 //biosA0[0x4f] = psxBios_sys_a0_4f;
2318 //biosA0[0x50] = psxBios_sys_a0_50;
2319 biosA0[0x51] = psxBios_LoadExec;
2320 //biosA0[0x52] = psxBios_GetSysSp;
2321 //biosA0[0x53] = psxBios_sys_a0_53;
2322 //biosA0[0x54] = psxBios__96_init_a54;
2323 //biosA0[0x55] = psxBios__bu_init_a55;
2324 //biosA0[0x56] = psxBios__96_remove_a56;
2325 //biosA0[0x57] = psxBios_sys_a0_57;
2326 //biosA0[0x58] = psxBios_sys_a0_58;
2327 //biosA0[0x59] = psxBios_sys_a0_59;
2328 //biosA0[0x5a] = psxBios_sys_a0_5a;
2329 //biosA0[0x5b] = psxBios_dev_tty_init;
2330 //biosA0[0x5c] = psxBios_dev_tty_open;
2331 //biosA0[0x5d] = psxBios_sys_a0_5d;
2332 //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2333 //biosA0[0x5f] = psxBios_dev_cd_open;
2334 //biosA0[0x60] = psxBios_dev_cd_read;
2335 //biosA0[0x61] = psxBios_dev_cd_close;
2336 //biosA0[0x62] = psxBios_dev_cd_firstfile;
2337 //biosA0[0x63] = psxBios_dev_cd_nextfile;
2338 //biosA0[0x64] = psxBios_dev_cd_chdir;
2339 //biosA0[0x65] = psxBios_dev_card_open;
2340 //biosA0[0x66] = psxBios_dev_card_read;
2341 //biosA0[0x67] = psxBios_dev_card_write;
2342 //biosA0[0x68] = psxBios_dev_card_close;
2343 //biosA0[0x69] = psxBios_dev_card_firstfile;
2344 //biosA0[0x6a] = psxBios_dev_card_nextfile;
2345 //biosA0[0x6b] = psxBios_dev_card_erase;
2346 //biosA0[0x6c] = psxBios_dev_card_undelete;
2347 //biosA0[0x6d] = psxBios_dev_card_format;
2348 //biosA0[0x6e] = psxBios_dev_card_rename;
2349 //biosA0[0x6f] = psxBios_dev_card_6f;
2350 biosA0[0x70] = psxBios__bu_init;
2351 biosA0[0x71] = psxBios__96_init;
2352 biosA0[0x72] = psxBios__96_remove;
2353 //biosA0[0x73] = psxBios_sys_a0_73;
2354 //biosA0[0x74] = psxBios_sys_a0_74;
2355 //biosA0[0x75] = psxBios_sys_a0_75;
2356 //biosA0[0x76] = psxBios_sys_a0_76;
2357 //biosA0[0x77] = psxBios_sys_a0_77;
2358 //biosA0[0x78] = psxBios__96_CdSeekL;
2359 //biosA0[0x79] = psxBios_sys_a0_79;
2360 //biosA0[0x7a] = psxBios_sys_a0_7a;
2361 //biosA0[0x7b] = psxBios_sys_a0_7b;
2362 //biosA0[0x7c] = psxBios__96_CdGetStatus;
2363 //biosA0[0x7d] = psxBios_sys_a0_7d;
2364 //biosA0[0x7e] = psxBios__96_CdRead;
2365 //biosA0[0x7f] = psxBios_sys_a0_7f;
2366 //biosA0[0x80] = psxBios_sys_a0_80;
2367 //biosA0[0x81] = psxBios_sys_a0_81;
2368 //biosA0[0x82] = psxBios_sys_a0_82;
2369 //biosA0[0x83] = psxBios_sys_a0_83;
2370 //biosA0[0x84] = psxBios_sys_a0_84;
2371 //biosA0[0x85] = psxBios__96_CdStop;
2372 //biosA0[0x86] = psxBios_sys_a0_86;
2373 //biosA0[0x87] = psxBios_sys_a0_87;
2374 //biosA0[0x88] = psxBios_sys_a0_88;
2375 //biosA0[0x89] = psxBios_sys_a0_89;
2376 //biosA0[0x8a] = psxBios_sys_a0_8a;
2377 //biosA0[0x8b] = psxBios_sys_a0_8b;
2378 //biosA0[0x8c] = psxBios_sys_a0_8c;
2379 //biosA0[0x8d] = psxBios_sys_a0_8d;
2380 //biosA0[0x8e] = psxBios_sys_a0_8e;
2381 //biosA0[0x8f] = psxBios_sys_a0_8f;
2382 //biosA0[0x90] = psxBios_sys_a0_90;
2383 //biosA0[0x91] = psxBios_sys_a0_91;
2384 //biosA0[0x92] = psxBios_sys_a0_92;
2385 //biosA0[0x93] = psxBios_sys_a0_93;
2386 //biosA0[0x94] = psxBios_sys_a0_94;
2387 //biosA0[0x95] = psxBios_sys_a0_95;
2388 //biosA0[0x96] = psxBios_AddCDROMDevice;
2389 //biosA0[0x97] = psxBios_AddMemCardDevide;
2390 //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2391 //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2392 //biosA0[0x9a] = psxBios_sys_a0_9a;
2393 //biosA0[0x9b] = psxBios_sys_a0_9b;
2394 //biosA0[0x9c] = psxBios_SetConf;
2395 //biosA0[0x9d] = psxBios_GetConf;
2396 //biosA0[0x9e] = psxBios_sys_a0_9e;
2397 biosA0[0x9f] = psxBios_SetMem;
2398 //biosA0[0xa0] = psxBios__boot;
2399 //biosA0[0xa1] = psxBios_SystemError;
2400 //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2401 //biosA0[0xa3] = psxBios_DequeueCdIntr;
2402 //biosA0[0xa4] = psxBios_sys_a0_a4;
2403 //biosA0[0xa5] = psxBios_ReadSector;
2404 //biosA0[0xa6] = psxBios_get_cd_status;
2405 //biosA0[0xa7] = psxBios_bufs_cb_0;
2406 //biosA0[0xa8] = psxBios_bufs_cb_1;
2407 //biosA0[0xa9] = psxBios_bufs_cb_2;
2408 //biosA0[0xaa] = psxBios_bufs_cb_3;
2409 biosA0[0xab] = psxBios__card_info;
2410 biosA0[0xac] = psxBios__card_load;
2411 //biosA0[0axd] = psxBios__card_auto;
2412 //biosA0[0xae] = psxBios_bufs_cd_4;
2413 //biosA0[0xaf] = psxBios_sys_a0_af;
2414 //biosA0[0xb0] = psxBios_sys_a0_b0;
2415 //biosA0[0xb1] = psxBios_sys_a0_b1;
2416 //biosA0[0xb2] = psxBios_do_a_long_jmp
2417 //biosA0[0xb3] = psxBios_sys_a0_b3;
2418 //biosA0[0xb4] = psxBios_sub_function;
2419//*******************B0 CALLS****************************
2420 //biosB0[0x00] = psxBios_SysMalloc;
2421 //biosB0[0x01] = psxBios_sys_b0_01;
2422 biosB0[0x02] = psxBios_SetRCnt;
2423 biosB0[0x03] = psxBios_GetRCnt;
2424 biosB0[0x04] = psxBios_StartRCnt;
2425 biosB0[0x05] = psxBios_StopRCnt;
2426 biosB0[0x06] = psxBios_ResetRCnt;
2427 biosB0[0x07] = psxBios_DeliverEvent;
2428 biosB0[0x08] = psxBios_OpenEvent;
2429 biosB0[0x09] = psxBios_CloseEvent;
2430 biosB0[0x0a] = psxBios_WaitEvent;
2431 biosB0[0x0b] = psxBios_TestEvent;
2432 biosB0[0x0c] = psxBios_EnableEvent;
2433 biosB0[0x0d] = psxBios_DisableEvent;
2434 biosB0[0x0e] = psxBios_OpenTh;
2435 biosB0[0x0f] = psxBios_CloseTh;
2436 biosB0[0x10] = psxBios_ChangeTh;
2437 //biosB0[0x11] = psxBios_psxBios_b0_11;
2438 biosB0[0x12] = psxBios_InitPAD;
2439 biosB0[0x13] = psxBios_StartPAD;
2440 biosB0[0x14] = psxBios_StopPAD;
2441 biosB0[0x15] = psxBios_PAD_init;
2442 biosB0[0x16] = psxBios_PAD_dr;
2443 biosB0[0x17] = psxBios_ReturnFromException;
2444 biosB0[0x18] = psxBios_ResetEntryInt;
2445 biosB0[0x19] = psxBios_HookEntryInt;
2446 //biosB0[0x1a] = psxBios_sys_b0_1a;
2447 //biosB0[0x1b] = psxBios_sys_b0_1b;
2448 //biosB0[0x1c] = psxBios_sys_b0_1c;
2449 //biosB0[0x1d] = psxBios_sys_b0_1d;
2450 //biosB0[0x1e] = psxBios_sys_b0_1e;
2451 //biosB0[0x1f] = psxBios_sys_b0_1f;
2452 biosB0[0x20] = psxBios_UnDeliverEvent;
2453 //biosB0[0x21] = psxBios_sys_b0_21;
2454 //biosB0[0x22] = psxBios_sys_b0_22;
2455 //biosB0[0x23] = psxBios_sys_b0_23;
2456 //biosB0[0x24] = psxBios_sys_b0_24;
2457 //biosB0[0x25] = psxBios_sys_b0_25;
2458 //biosB0[0x26] = psxBios_sys_b0_26;
2459 //biosB0[0x27] = psxBios_sys_b0_27;
2460 //biosB0[0x28] = psxBios_sys_b0_28;
2461 //biosB0[0x29] = psxBios_sys_b0_29;
2462 //biosB0[0x2a] = psxBios_sys_b0_2a;
2463 //biosB0[0x2b] = psxBios_sys_b0_2b;
2464 //biosB0[0x2c] = psxBios_sys_b0_2c;
2465 //biosB0[0x2d] = psxBios_sys_b0_2d;
2466 //biosB0[0x2e] = psxBios_sys_b0_2e;
2467 //biosB0[0x2f] = psxBios_sys_b0_2f;
2468 //biosB0[0x30] = psxBios_sys_b0_30;
2469 //biosB0[0x31] = psxBios_sys_b0_31;
2470 biosB0[0x32] = psxBios_open;
2471 biosB0[0x33] = psxBios_lseek;
2472 biosB0[0x34] = psxBios_read;
2473 biosB0[0x35] = psxBios_write;
2474 biosB0[0x36] = psxBios_close;
2475 //biosB0[0x37] = psxBios_ioctl;
2476 //biosB0[0x38] = psxBios_exit;
2477 //biosB0[0x39] = psxBios_sys_b0_39;
2478 //biosB0[0x3a] = psxBios_getc;
2479 //biosB0[0x3b] = psxBios_putc;
2480 biosB0[0x3c] = psxBios_getchar;
2481 //biosB0[0x3e] = psxBios_gets;
2482 //biosB0[0x40] = psxBios_cd;
2483 //biosB0[0x41] = psxBios_format;
2484 biosB0[0x42] = psxBios_firstfile;
2485 biosB0[0x43] = psxBios_nextfile;
2486 biosB0[0x44] = psxBios_rename;
2487 biosB0[0x45] = psxBios_delete;
2488 //biosB0[0x46] = psxBios_undelete;
2489 //biosB0[0x47] = psxBios_AddDevice;
2490 //biosB0[0x48] = psxBios_RemoteDevice;
2491 //biosB0[0x49] = psxBios_PrintInstalledDevices;
2492 biosB0[0x4a] = psxBios_InitCARD;
2493 biosB0[0x4b] = psxBios_StartCARD;
2494 biosB0[0x4c] = psxBios_StopCARD;
2495 //biosB0[0x4d] = psxBios_sys_b0_4d;
2496 biosB0[0x4e] = psxBios__card_write;
2497 biosB0[0x4f] = psxBios__card_read;
2498 biosB0[0x50] = psxBios__new_card;
2499 biosB0[0x51] = psxBios_Krom2RawAdd;
2500 //biosB0[0x52] = psxBios_sys_b0_52;
2501 //biosB0[0x53] = psxBios_sys_b0_53;
2502 //biosB0[0x54] = psxBios__get_errno;
2503 //biosB0[0x55] = psxBios__get_error;
2504 biosB0[0x56] = psxBios_GetC0Table;
2505 biosB0[0x57] = psxBios_GetB0Table;
e9fda093 2506 biosB0[0x58] = psxBios__card_chan;
ef79bbde
P		 2507 //biosB0[0x59] = psxBios_sys_b0_59;
2508 //biosB0[0x5a] = psxBios_sys_b0_5a;
2509 biosB0[0x5b] = psxBios_ChangeClearPad;
2510 //biosB0[0x5c] = psxBios__card_status;
2511 //biosB0[0x5d] = psxBios__card_wait;
2512//*******************C0 CALLS****************************
2513 //biosC0[0x00] = psxBios_InitRCnt;
2514 //biosC0[0x01] = psxBios_InitException;
2515 biosC0[0x02] = psxBios_SysEnqIntRP;
2516 biosC0[0x03] = psxBios_SysDeqIntRP;
2517 //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2518 //biosC0[0x05] = psxBios_get_free_TCB_slot;
2519 //biosC0[0x06] = psxBios_ExceptionHandler;
2520 //biosC0[0x07] = psxBios_InstallExeptionHandler;
2521 //biosC0[0x08] = psxBios_SysInitMemory;
2522 //biosC0[0x09] = psxBios_SysInitKMem;
2523 biosC0[0x0a] = psxBios_ChangeClearRCnt;
2524 //biosC0[0x0b] = psxBios_SystemError;
2525 //biosC0[0x0c] = psxBios_InitDefInt;
2526 //biosC0[0x0d] = psxBios_sys_c0_0d;
2527 //biosC0[0x0e] = psxBios_sys_c0_0e;
2528 //biosC0[0x0f] = psxBios_sys_c0_0f;
2529 //biosC0[0x10] = psxBios_sys_c0_10;
2530 //biosC0[0x11] = psxBios_sys_c0_11;
2531 //biosC0[0x12] = psxBios_InstallDevices;
2532 //biosC0[0x13] = psxBios_FlushStfInOutPut;
2533 //biosC0[0x14] = psxBios_sys_c0_14;
2534 //biosC0[0x15] = psxBios__cdevinput;
2535 //biosC0[0x16] = psxBios__cdevscan;
2536 //biosC0[0x17] = psxBios__circgetc;
2537 //biosC0[0x18] = psxBios__circputc;
2538 //biosC0[0x19] = psxBios_ioabort;
2539 //biosC0[0x1a] = psxBios_sys_c0_1a
2540 //biosC0[0x1b] = psxBios_KernelRedirect;
2541 //biosC0[0x1c] = psxBios_PatchAOTable;
2542//************** THE END ***************************************
2543/**/
2544 base = 0x1000;
2545 size = sizeof(EvCB) * 32;
2546 Event = (void *)&psxR[base]; base += size * 6;
2547 memset(Event, 0, size * 6);
2548 HwEV = Event;
2549 EvEV = Event + 32;
2550 RcEV = Event + 32 * 2;
2551 UeEV = Event + 32 * 3;
2552 SwEV = Event + 32 * 4;
2553 ThEV = Event + 32 * 5;
2554
2555 ptr = (u32 *)&psxM[0x0874]; // b0 table
2556 ptr[0] = SWAPu32(0x4c54 - 0x884);
2557
2558 ptr = (u32 *)&psxM[0x0674]; // c0 table
2559 ptr[6] = SWAPu32(0xc80);
2560
2561 memset(SysIntRP, 0, sizeof(SysIntRP));
2562 memset(Thread, 0, sizeof(Thread));
2563 Thread[0].status = 2; // main thread
2564
c62b43c9 2565 jmp_int = NULL;
2566 pad_buf = NULL;
2567 pad_buf1 = NULL;
2568 pad_buf2 = NULL;
2569 pad_buf1len = pad_buf2len = 0;
2570 heap_addr = NULL;
2571 heap_end = NULL;
2572 CardState = -1;
2573 CurThread = 0;
2574 memset(FDesc, 0, sizeof(FDesc));
2575
ef79bbde
P		 2576 psxMu32ref(0x0150) = SWAPu32(0x160);
2577 psxMu32ref(0x0154) = SWAPu32(0x320);
2578 psxMu32ref(0x0160) = SWAPu32(0x248);
2579 strcpy((char *)&psxM[0x248], "bu");
2580/* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
2581 psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
2582 psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
2583 psxMu32ref(0x09e0) = SWAPu32(0x43d0);
2584 psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
2585*/
2586 // opcode HLE
2587 psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
2588 psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
2589 psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
2590 psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
2591 psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
2592 psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
2593 psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
2594 psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
2595 psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
2596 psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
2597
2598 // initial stack pointer for BIOS interrupt
2599 psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
2600
2601 // initial RNG seed
2602 psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
2603
2604 // fonts
2605 len = 0x80000 - 0x66000;
2606 uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
2607 len = 0x80000 - 0x69d68;
2608 uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
2609
2610 // memory size 2 MB
2611 psxHu32ref(0x1060) = SWAPu32(0x00000b88);
2612
2613 hleSoftCall = FALSE;
2614}
2615
2616void psxBiosShutdown() {
2617}
2618
2619#define psxBios_PADpoll(pad) { \
2620 PAD##pad##_startPoll(pad); \
2621 pad_buf##pad[0] = 0; \
2622 pad_buf##pad[1] = PAD##pad##_poll(0x42); \
2623 if (!(pad_buf##pad[1] & 0x0f)) { \
2624 bufcount = 32; \
2625 } else { \
2626 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
2627 } \
2628 PAD##pad##_poll(0); \
2629 i = 2; \
2630 while (bufcount--) { \
2631 pad_buf##pad[i++] = PAD##pad##_poll(0); \
2632 } \
2633}
2634
2635void biosInterrupt() {
2636 int i, bufcount;
2637
2638// if (psxHu32(0x1070) & 0x1) { // Vsync
2639 if (pad_buf != NULL) {
2640 u32 *buf = (u32*)pad_buf;
2641
2642 if (!Config.UseNet) {
2643 PAD1_startPoll(1);
2644 if (PAD1_poll(0x42) == 0x23) {
2645 PAD1_poll(0);
2646 *buf = PAD1_poll(0) << 8;
2647 *buf |= PAD1_poll(0);
2648 PAD1_poll(0);
2649 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
2650 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
2651 } else {
2652 PAD1_poll(0);
2653 *buf = PAD1_poll(0) << 8;
2654 *buf|= PAD1_poll(0);
2655 }
2656
2657 PAD2_startPoll(2);
2658 if (PAD2_poll(0x42) == 0x23) {
2659 PAD2_poll(0);
2660 *buf |= PAD2_poll(0) << 24;
2661 *buf |= PAD2_poll(0) << 16;
2662 PAD2_poll(0);
2663 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
2664 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
2665 } else {
2666 PAD2_poll(0);
2667 *buf |= PAD2_poll(0) << 24;
2668 *buf |= PAD2_poll(0) << 16;
2669 }
2670 } else {
2671 u16 data;
2672
2673 PAD1_startPoll(1);
2674 PAD1_poll(0x42);
2675 PAD1_poll(0);
2676 data = PAD1_poll(0) << 8;
2677 data |= PAD1_poll(0);
2678
2679 if (NET_sendPadData(&data, 2) == -1)
2680 netError();
2681
2682 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
2683 netError();
2684 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
2685 netError();
2686 }
2687 }
2688 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
2689 psxBios_PADpoll(1);
2690
2691 if (NET_sendPadData(pad_buf1, i) == -1)
2692 netError();
2693
2694 if (NET_recvPadData(pad_buf1, 1) == -1)
2695 netError();
2696 if (NET_recvPadData(pad_buf2, 2) == -1)
2697 netError();
2698 } else {
2699 if (pad_buf1) {
2700 psxBios_PADpoll(1);
2701 }
2702
2703 if (pad_buf2) {
2704 psxBios_PADpoll(2);
2705 }
2706 }
2707
2708 if (psxHu32(0x1070) & 0x1) { // Vsync
2709 if (RcEV[3][1].status == EvStACTIVE) {
2710 softCall(RcEV[3][1].fhandler);
2711// hwWrite32(0x1f801070, ~(1));
2712 }
2713 }
2714
2715 if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
2716 int i;
2717
2718 for (i = 0; i < 3; i++) {
2719 if (psxHu32(0x1070) & (1 << (i + 4))) {
2720 if (RcEV[i][1].status == EvStACTIVE) {
2721 softCall(RcEV[i][1].fhandler);
2722 }
2723 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
2724 }
2725 }
2726 }
2727}
2728
2729void psxBiosException() {
2730 int i;
2731
2732 switch (psxRegs.CP0.n.Cause & 0x3c) {
2733 case 0x00: // Interrupt
2734#ifdef PSXCPU_LOG
2735// PSXCPU_LOG("interrupt\n");
2736#endif
2737 SaveRegs();
2738
2739 sp = psxMu32(0x6c80); // create new stack for interrupt handlers
2740
2741 biosInterrupt();
2742
2743 for (i = 0; i < 8; i++) {
2744 if (SysIntRP[i]) {
2745 u32 *queue = (u32 *)PSXM(SysIntRP[i]);
2746
2747 s0 = queue[2];
2748 softCall(queue[1]);
2749 }
2750 }
2751
2752 if (jmp_int != NULL) {
2753 int i;
2754
2755 psxHwWrite32(0x1f801070, 0xffffffff);
2756
2757 ra = jmp_int[0];
2758 sp = jmp_int[1];
2759 fp = jmp_int[2];
2760 for (i = 0; i < 8; i++) // s0-s7
2761 psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
2762 gp = jmp_int[11];
2763
2764 v0 = 1;
2765 pc0 = ra;
2766 return;
2767 }
2768 psxHwWrite16(0x1f801070, 0);
2769 break;
2770
2771 case 0x20: // Syscall
2772#ifdef PSXCPU_LOG
2773 PSXCPU_LOG("syscall exp %x\n", a0);
2774#endif
2775 switch (a0) {
2776 case 1: // EnterCritical - disable irq's
2777 psxRegs.CP0.n.Status &= ~0x404;
2778v0=1; // HDHOSHY experimental patch: Spongebob, Coldblood, fearEffect, Medievil2, Martian Gothic
2779 break;
2780
2781 case 2: // ExitCritical - enable irq's
2782 psxRegs.CP0.n.Status |= 0x404;
2783 break;
2784 }
2785 pc0 = psxRegs.CP0.n.EPC + 4;
2786
2787 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2788 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2789 return;
2790
2791 default:
2792#ifdef PSXCPU_LOG
2793 PSXCPU_LOG("unknown bios exception!\n");
2794#endif
2795 break;
2796 }
2797
2798 pc0 = psxRegs.CP0.n.EPC;
2799 if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
2800
2801 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2802 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2803}
2804
2805#define bfreeze(ptr, size) { \
2806 if (Mode == 1) memcpy(&psxR[base], ptr, size); \
2807 if (Mode == 0) memcpy(ptr, &psxR[base], size); \
2808 base += size; \
2809}
2810
2811#define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
2812#define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
2813
2814#define bfreezepsxMptr(ptr, type) { \
2815 if (Mode == 1) { \
2816 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
2817 else psxRu32ref(base) = 0; \
2818 } else { \
2819 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
2820 else (ptr) = NULL; \
2821 } \
2822 base += sizeof(u32); \
2823}
2824
2825void psxBiosFreeze(int Mode) {
2826 u32 base = 0x40000;
2827
2828 bfreezepsxMptr(jmp_int, u32);
2829 bfreezepsxMptr(pad_buf, int);
2830 bfreezepsxMptr(pad_buf1, char);
2831 bfreezepsxMptr(pad_buf2, char);
2832 bfreezepsxMptr(heap_addr, u32);
2833 bfreezel(&pad_buf1len);
2834 bfreezel(&pad_buf2len);
2835 bfreezes(regs);
2836 bfreezes(SysIntRP);
2837 bfreezel(&CardState);
2838 bfreezes(Thread);
2839 bfreezel(&CurThread);
2840 bfreezes(FDesc);
e9fda093 2841 bfreezel(&card_active_chan);
ef79bbde 2842}
ARM optimized PCSX fork