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psxbios: merge from pcsxr r90224-r90227
[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"
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
e7e1f572 1028void psxBios_format() { // 0x41
1029 if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0')
1030 {
1031 CreateMcd(Config.Mcd1);
1032 LoadMcd(1, Config.Mcd1);
1033 v0 = 1;
1034 }
1035 else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0')
1036 {
1037 CreateMcd(Config.Mcd2);
1038 LoadMcd(2, Config.Mcd2);
1039 v0 = 1;
1040 }
1041 else
1042 {
1043 v0 = 0;
1044 }
1045 pc0 = ra;
1046}
1047
ef79bbde
P		 1048/*
1049 * long Load(char *name, struct EXEC *header);
1050 */
1051
1052void psxBios_Load() { // 0x42
1053 EXE_HEADER eheader;
02949f79 1054 void *pa1;
ef79bbde
P		 1055
1056#ifdef PSXBIOS_LOG
1057 PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1058#endif
1059
02949f79 1060 pa1 = Ra1;
1061 if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) {
1062 memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC));
ef79bbde
P		 1063 v0 = 1;
1064 } else v0 = 0;
1065
1066 pc0 = ra;
1067}
1068
1069/*
1070 * int Exec(struct EXEC *header , int argc , char **argv);
1071 */
1072
1073void psxBios_Exec() { // 43
1074 EXEC *header = (EXEC*)Ra0;
1075 u32 tmp;
1076
1077#ifdef PSXBIOS_LOG
1078 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1079#endif
1080
1081 header->_sp = sp;
1082 header->_fp = fp;
1083 header->_sp = sp;
1084 header->_gp = gp;
1085 header->ret = ra;
1086 header->base = s0;
1087
1088 if (header->S_addr != 0) {
1089 tmp = header->S_addr + header->s_size;
1090 sp = tmp;
1091 fp = sp;
1092 }
1093
1094 gp = header->gp0;
1095
1096 s0 = a0;
1097
1098 a0 = a1;
1099 a1 = a2;
1100
1101 ra = 0x8000;
1102 pc0 = header->_pc0;
1103}
1104
1105void psxBios_FlushCache() { // 44
1106#ifdef PSXBIOS_LOG
1107 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1108#endif
1109
1110 pc0 = ra;
1111}
1112
1113void psxBios_GPU_dw() { // 0x46
1114 int size;
1115 s32 *ptr;
1116
1117#ifdef PSXBIOS_LOG
1118 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1119#endif
1120
1121 GPU_writeData(0xa0000000);
1122 GPU_writeData((a1<<16)|(a0&0xffff));
1123 GPU_writeData((a3<<16)|(a2&0xffff));
1124 size = (a2*a3+1)/2;
1125 ptr = (s32*)PSXM(Rsp[4]); //that is correct?
1126 do {
1127 GPU_writeData(SWAP32(*ptr));
1128 ptr++;
1129 } while(--size);
1130
1131 pc0 = ra;
1132}
1133
1134void psxBios_mem2vram() { // 0x47
1135 int size;
1136
1137 GPU_writeData(0xa0000000);
1138 GPU_writeData((a1<<16)|(a0&0xffff));
1139 GPU_writeData((a3<<16)|(a2&0xffff));
1140 size = (a2*a3+1)/2;
1141 GPU_writeStatus(0x04000002);
1142 psxHwWrite32(0x1f8010f4,0);
1143 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1144 psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1145 psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1146 psxHwWrite32(0x1f8010a8,0x01000201);
1147
1148 pc0 = ra;
1149}
1150
1151void psxBios_SendGPU() { // 0x48
1152 GPU_writeStatus(a0);
ddbaf678 1153 gpuSyncPluginSR();
ef79bbde
P		 1154 pc0 = ra;
1155}
1156
1157void psxBios_GPU_cw() { // 0x49
1158 GPU_writeData(a0);
1159 pc0 = ra;
1160}
1161
1162void psxBios_GPU_cwb() { // 0x4a
1163 s32 *ptr = (s32*)Ra0;
1164 int size = a1;
1165 while(size--) {
1166 GPU_writeData(SWAP32(*ptr));
1167 ptr++;
1168 }
1169
1170 pc0 = ra;
1171}
1172
1173void psxBios_GPU_SendPackets() { //4b:
1174 GPU_writeStatus(0x04000002);
1175 psxHwWrite32(0x1f8010f4,0);
1176 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1177 psxHwWrite32(0x1f8010a0,a0);
1178 psxHwWrite32(0x1f8010a4,0);
1179 psxHwWrite32(0x1f8010a8,0x010000401);
1180 pc0 = ra;
1181}
1182
1183void psxBios_sys_a0_4c() { // 0x4c GPU relate
1184 psxHwWrite32(0x1f8010a8,0x00000401);
1185 GPU_writeData(0x0400000);
1186 GPU_writeData(0x0200000);
1187 GPU_writeData(0x0100000);
1188
1189 pc0 = ra;
1190}
1191
1192void psxBios_GPU_GetGPUStatus() { // 0x4d
1193 v0 = GPU_readStatus();
1194 pc0 = ra;
1195}
1196
1197#undef s_addr
1198
1199void psxBios_LoadExec() { // 51
1200 EXEC *header = (EXEC*)PSXM(0xf000);
1201 u32 s_addr, s_size;
1202
1203#ifdef PSXBIOS_LOG
1204 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1205#endif
1206 s_addr = a1; s_size = a2;
1207
1208 a1 = 0xf000;
1209 psxBios_Load();
1210
1211 header->S_addr = s_addr;
1212 header->s_size = s_size;
1213
1214 a0 = 0xf000; a1 = 0; a2 = 0;
1215 psxBios_Exec();
1216}
1217
1218void psxBios__bu_init() { // 70
1219#ifdef PSXBIOS_LOG
1220 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1221#endif
1222
1223 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1224 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1225
1226 pc0 = ra;
1227}
1228
1229void psxBios__96_init() { // 71
1230#ifdef PSXBIOS_LOG
1231 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1232#endif
1233
1234 pc0 = ra;
1235}
1236
1237void psxBios__96_remove() { // 72
1238#ifdef PSXBIOS_LOG
1239 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1240#endif
1241
1242 pc0 = ra;
1243}
1244
1245void psxBios_SetMem() { // 9f
1246 u32 new = psxHu32(0x1060);
1247
1248#ifdef PSXBIOS_LOG
1249 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1250#endif
1251
1252 switch(a0) {
1253 case 2:
1254 psxHu32ref(0x1060) = SWAP32(new);
1255 psxMu32ref(0x060) = a0;
1256 SysPrintf("Change effective memory : %d MBytes\n",a0);
1257 break;
1258
1259 case 8:
1260 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1261 psxMu32ref(0x060) = a0;
1262 SysPrintf("Change effective memory : %d MBytes\n",a0);
1263
1264 default:
1265 SysPrintf("Effective memory must be 2/8 MBytes\n");
1266 break;
1267 }
1268
1269 pc0 = ra;
1270}
1271
1272void psxBios__card_info() { // ab
1273#ifdef PSXBIOS_LOG
1274 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1275#endif
1276
e9fda093 1277 card_active_chan = a0;
1278
ef79bbde
P		 1279// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1280 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1281
1282 v0 = 1; pc0 = ra;
1283}
1284
1285void psxBios__card_load() { // ac
1286#ifdef PSXBIOS_LOG
1287 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1288#endif
1289
e9fda093 1290 card_active_chan = a0;
1291
ef79bbde
P		 1292// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1293 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1294
1295 v0 = 1; pc0 = ra;
1296}
1297
1298/* System calls B0 */
1299
1300void psxBios_SetRCnt() { // 02
1301#ifdef PSXBIOS_LOG
1302 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1303#endif
1304
1305 a0&= 0x3;
1306 if (a0 != 3) {
1307 u32 mode=0;
1308
1309 psxRcntWtarget(a0, a1);
1310 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1311 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1312 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1313 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1314 else { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1315
1316 psxRcntWmode(a0, mode);
1317 }
1318 pc0 = ra;
1319}
1320
1321void psxBios_GetRCnt() { // 03
1322#ifdef PSXBIOS_LOG
1323 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1324#endif
1325
1326 a0&= 0x3;
1327 if (a0 != 3) v0 = psxRcntRcount(a0);
1328 else v0 = 0;
1329 pc0 = ra;
1330}
1331
1332void psxBios_StartRCnt() { // 04
1333#ifdef PSXBIOS_LOG
1334 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1335#endif
1336
1337 a0&= 0x3;
1338 if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1339 else psxHu32ref(0x1074)|= SWAPu32(0x1);
1340 v0 = 1; pc0 = ra;
1341}
1342
1343void psxBios_StopRCnt() { // 05
1344#ifdef PSXBIOS_LOG
1345 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1346#endif
1347
1348 a0&= 0x3;
1349 if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1350 else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1351 pc0 = ra;
1352}
1353
1354void psxBios_ResetRCnt() { // 06
1355#ifdef PSXBIOS_LOG
1356 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1357#endif
1358
1359 a0&= 0x3;
1360 if (a0 != 3) {
1361 psxRcntWmode(a0, 0);
1362 psxRcntWtarget(a0, 0);
1363 psxRcntWcount(a0, 0);
1364 }
1365 pc0 = ra;
1366}
1367
1368
1369/* gets ev for use with Event */
1370#define GetEv() \
1371 ev = (a0 >> 24) & 0xf; \
1372 if (ev == 0xf) ev = 0x5; \
1373 ev*= 32; \
1374 ev+= a0&0x1f;
1375
1376/* gets spec for use with Event */
1377#define GetSpec() \
1378 spec = 0; \
1379 switch (a1) { \
1380 case 0x0301: spec = 16; break; \
1381 case 0x0302: spec = 17; break; \
1382 default: \
1383 for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1384 break; \
1385 }
1386
1387void psxBios_DeliverEvent() { // 07
1388 int ev, spec;
1389 int i;
1390
1391 GetEv();
1392 GetSpec();
1393
1394#ifdef PSXBIOS_LOG
1395 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1396#endif
1397
1398 DeliverEvent(ev, spec);
1399
1400 pc0 = ra;
1401}
1402
1403void psxBios_OpenEvent() { // 08
1404 int ev, spec;
1405 int i;
1406
1407 GetEv();
1408 GetSpec();
1409
1410#ifdef PSXBIOS_LOG
1411 PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1412#endif
1413
1414 Event[ev][spec].status = EvStWAIT;
1415 Event[ev][spec].mode = a2;
1416 Event[ev][spec].fhandler = a3;
1417
1418 v0 = ev | (spec << 8);
1419 pc0 = ra;
1420}
1421
1422void psxBios_CloseEvent() { // 09
1423 int ev, spec;
1424
1425 ev = a0 & 0xff;
1426 spec = (a0 >> 8) & 0xff;
1427
1428#ifdef PSXBIOS_LOG
1429 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1430#endif
1431
1432 Event[ev][spec].status = EvStUNUSED;
1433
1434 v0 = 1; pc0 = ra;
1435}
1436
1437void psxBios_WaitEvent() { // 0a
1438 int ev, spec;
1439
1440 ev = a0 & 0xff;
1441 spec = (a0 >> 8) & 0xff;
1442
1443#ifdef PSXBIOS_LOG
1444 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1445#endif
1446
1447 Event[ev][spec].status = EvStACTIVE;
1448
1449 v0 = 1; pc0 = ra;
1450}
1451
1452void psxBios_TestEvent() { // 0b
1453 int ev, spec;
1454
1455 ev = a0 & 0xff;
1456 spec = (a0 >> 8) & 0xff;
1457
1458 if (Event[ev][spec].status == EvStALREADY) {
1459 Event[ev][spec].status = EvStACTIVE; v0 = 1;
1460 } else v0 = 0;
1461
1462#ifdef PSXBIOS_LOG
1463 PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1464#endif
1465
1466 pc0 = ra;
1467}
1468
1469void psxBios_EnableEvent() { // 0c
1470 int ev, spec;
1471
1472 ev = a0 & 0xff;
1473 spec = (a0 >> 8) & 0xff;
1474
1475#ifdef PSXBIOS_LOG
1476 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1477#endif
1478
1479 Event[ev][spec].status = EvStACTIVE;
1480
1481 v0 = 1; pc0 = ra;
1482}
1483
1484void psxBios_DisableEvent() { // 0d
1485 int ev, spec;
1486
1487 ev = a0 & 0xff;
1488 spec = (a0 >> 8) & 0xff;
1489
1490#ifdef PSXBIOS_LOG
1491 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1492#endif
1493
1494 Event[ev][spec].status = EvStWAIT;
1495
1496 v0 = 1; pc0 = ra;
1497}
1498
1499/*
1500 * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1501 */
1502
1503void psxBios_OpenTh() { // 0e
1504 int th;
1505
1506 for (th=1; th<8; th++)
1507 if (Thread[th].status == 0) break;
1508
1509#ifdef PSXBIOS_LOG
1510 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1511#endif
1512
1513 Thread[th].status = 1;
1514 Thread[th].func = a0;
1515 Thread[th].reg[29] = a1;
1516 Thread[th].reg[28] = a2;
1517
1518 v0 = th; pc0 = ra;
1519}
1520
1521/*
1522 * int CloseTh(long thread);
1523 */
1524
1525void psxBios_CloseTh() { // 0f
1526 int th = a0 & 0xff;
1527
1528#ifdef PSXBIOS_LOG
1529 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1530#endif
1531
1532 if (Thread[th].status == 0) {
1533 v0 = 0;
1534 } else {
1535 Thread[th].status = 0;
1536 v0 = 1;
1537 }
1538
1539 pc0 = ra;
1540}
1541
1542/*
1543 * int ChangeTh(long thread);
1544 */
1545
1546void psxBios_ChangeTh() { // 10
1547 int th = a0 & 0xff;
1548
1549#ifdef PSXBIOS_LOG
1550// PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1551#endif
1552
1553 if (Thread[th].status == 0 || CurThread == th) {
1554 v0 = 0;
1555
1556 pc0 = ra;
1557 } else {
1558 v0 = 1;
1559
1560 if (Thread[CurThread].status == 2) {
1561 Thread[CurThread].status = 1;
1562 Thread[CurThread].func = ra;
1563 memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1564 }
1565
1566 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1567 pc0 = Thread[th].func;
1568 Thread[th].status = 2;
1569 CurThread = th;
1570 }
1571}
1572
1573void psxBios_InitPAD() { // 0x12
1574#ifdef PSXBIOS_LOG
1575 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1576#endif
1577
1578 pad_buf1 = (char*)Ra0;
1579 pad_buf1len = a1;
1580 pad_buf2 = (char*)Ra2;
1581 pad_buf2len = a3;
1582
1583 v0 = 1; pc0 = ra;
1584}
1585
1586void psxBios_StartPAD() { // 13
1587#ifdef PSXBIOS_LOG
1588 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1589#endif
1590
1591 psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1592 psxRegs.CP0.n.Status |= 0x401;
1593 pc0 = ra;
1594}
1595
1596void psxBios_StopPAD() { // 14
1597#ifdef PSXBIOS_LOG
1598 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1599#endif
1600
1601 pad_buf1 = NULL;
1602 pad_buf2 = NULL;
1603 pc0 = ra;
1604}
1605
1606void psxBios_PAD_init() { // 15
1607#ifdef PSXBIOS_LOG
1608 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1609#endif
1610 psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1611 pad_buf = (int *)Ra1;
1612 *pad_buf = -1;
1613 psxRegs.CP0.n.Status |= 0x401;
1614 pc0 = ra;
1615}
1616
1617void psxBios_PAD_dr() { // 16
1618#ifdef PSXBIOS_LOG
1619 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1620#endif
1621
1622 v0 = -1; pc0 = ra;
1623}
1624
1625void psxBios_ReturnFromException() { // 17
1626 LoadRegs();
1627
1628 pc0 = psxRegs.CP0.n.EPC;
1629 if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1630
1631 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1632 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1633}
1634
1635void psxBios_ResetEntryInt() { // 18
1636#ifdef PSXBIOS_LOG
1637 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1638#endif
1639
1640 jmp_int = NULL;
1641 pc0 = ra;
1642}
1643
1644void psxBios_HookEntryInt() { // 19
1645#ifdef PSXBIOS_LOG
1646 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
1647#endif
1648
1649 jmp_int = (u32*)Ra0;
1650 pc0 = ra;
1651}
1652
1653void psxBios_UnDeliverEvent() { // 0x20
1654 int ev, spec;
1655 int i;
1656
1657 GetEv();
1658 GetSpec();
1659
1660#ifdef PSXBIOS_LOG
1661 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
1662#endif
1663
1664 if (Event[ev][spec].status == EvStALREADY &&
1665 Event[ev][spec].mode == EvMdNOINTR)
1666 Event[ev][spec].status = EvStACTIVE;
1667
1668 pc0 = ra;
1669}
1670
1671#define buopen(mcd) { \
1672 strcpy(FDesc[1 + mcd].name, Ra0+5); \
1673 FDesc[1 + mcd].offset = 0; \
1674 FDesc[1 + mcd].mode = a1; \
1675 \
1676 for (i=1; i<16; i++) { \
1677 ptr = Mcd##mcd##Data + 128 * i; \
1678 if ((*ptr & 0xF0) != 0x50) continue; \
1679 if (strcmp(FDesc[1 + mcd].name, ptr+0xa)) continue; \
1680 FDesc[1 + mcd].mcfile = i; \
1681 SysPrintf("open %s\n", ptr+0xa); \
1682 v0 = 1 + mcd; \
1683 break; \
1684 } \
1685 if (a1 & 0x200 && v0 == -1) { /* FCREAT */ \
1686 for (i=1; i<16; i++) { \
1687 int j, xor = 0; \
1688 \
1689 ptr = Mcd##mcd##Data + 128 * i; \
1690 if ((*ptr & 0xF0) == 0x50) continue; \
1691 ptr[0] = 0x50 | (u8)(a1 >> 16); \
1692 ptr[4] = 0x00; \
1693 ptr[5] = 0x20; \
1694 ptr[6] = 0x00; \
1695 ptr[7] = 0x00; \
1696 ptr[8] = 'B'; \
1697 ptr[9] = 'I'; \
1698 strcpy(ptr+0xa, FDesc[1 + mcd].name); \
1699 for (j=0; j<127; j++) xor^= ptr[j]; \
1700 ptr[127] = xor; \
1701 FDesc[1 + mcd].mcfile = i; \
1702 SysPrintf("openC %s\n", ptr); \
1703 v0 = 1 + mcd; \
1704 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 128); \
1705 break; \
1706 } \
1707 } \
1708}
1709
1710/*
1711 * int open(char *name , int mode);
1712 */
1713
1714void psxBios_open() { // 0x32
1715 int i;
1716 char *ptr;
02949f79 1717 void *pa0 = Ra0;
ef79bbde
P		 1718
1719#ifdef PSXBIOS_LOG
1720 PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
1721#endif
1722
1723 v0 = -1;
1724
02949f79 1725 if (pa0) {
1726 if (!strncmp(pa0, "bu00", 4)) {
1727 buopen(1);
1728 }
ef79bbde 1729
02949f79 1730 if (!strncmp(pa0, "bu10", 4)) {
1731 buopen(2);
1732 }
ef79bbde
P		 1733 }
1734
1735 pc0 = ra;
1736}
1737
1738/*
1739 * int lseek(int fd , int offset , int whence);
1740 */
1741
1742void psxBios_lseek() { // 0x33
1743#ifdef PSXBIOS_LOG
1744 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
1745#endif
1746
1747 switch (a2) {
1748 case 0: // SEEK_SET
1749 FDesc[a0].offset = a1;
1750 v0 = a1;
1751// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1752// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1753 break;
1754
1755 case 1: // SEEK_CUR
1756 FDesc[a0].offset+= a1;
1757 v0 = FDesc[a0].offset;
1758 break;
1759 }
1760
1761 pc0 = ra;
1762}
1763
02949f79 1764#define buread(Ra1, mcd) { \
ef79bbde
P		 1765 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); \
1766 ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1767 memcpy(Ra1, ptr, a2); \
1768 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1769 else v0 = a2; \
1770 FDesc[1 + mcd].offset += v0; \
1771 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1772 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
1773}
1774
1775/*
1776 * int read(int fd , void *buf , int nbytes);
1777 */
1778
1779void psxBios_read() { // 0x34
1780 char *ptr;
02949f79 1781 void *pa1 = Ra1;
ef79bbde
P		 1782
1783#ifdef PSXBIOS_LOG
1784 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
1785#endif
1786
1787 v0 = -1;
1788
02949f79 1789 if (pa1) {
1790 switch (a0) {
1791 case 2: buread(pa1, 1); break;
1792 case 3: buread(pa1, 2); break;
1793 }
ef79bbde
P		 1794 }
1795
1796 pc0 = ra;
1797}
1798
02949f79 1799#define buwrite(Ra1, mcd) { \
ef79bbde
P		 1800 u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1801 SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \
1802 ptr = Mcd##mcd##Data + offset; \
1803 memcpy(ptr, Ra1, a2); \
1804 FDesc[1 + mcd].offset += a2; \
1805 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, offset, a2); \
1806 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1807 else v0 = a2; \
1808 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1809 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
1810}
1811
1812/*
1813 * int write(int fd , void *buf , int nbytes);
1814 */
1815
1816void psxBios_write() { // 0x35/0x03
1817 char *ptr;
02949f79 1818 void *pa1 = Ra1;
1819
1820#ifdef PSXBIOS_LOG
1821 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
1822#endif
1823
1824 v0 = -1;
1825 if (!pa1) {
1826 pc0 = ra;
1827 return;
1828 }
ef79bbde
P		 1829
1830 if (a0 == 1) { // stdout
02949f79 1831 char *ptr = pa1;
ef79bbde 1832
02949f79 1833 v0 = a2;
ef79bbde
P		 1834 while (a2 > 0) {
1835 SysPrintf("%c", *ptr++); a2--;
1836 }
1837 pc0 = ra; return;
1838 }
ef79bbde
P		 1839
1840 switch (a0) {
02949f79 1841 case 2: buwrite(pa1, 1); break;
1842 case 3: buwrite(pa1, 2); break;
ef79bbde
P		 1843 }
1844
1845 pc0 = ra;
1846}
1847
1848/*
1849 * int close(int fd);
1850 */
1851
1852void psxBios_close() { // 0x36
1853#ifdef PSXBIOS_LOG
1854 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
1855#endif
1856
1857 v0 = a0;
1858 pc0 = ra;
1859}
1860
1861void psxBios_putchar() { // 3d
1862 SysPrintf("%c", (char)a0);
1863 pc0 = ra;
1864}
1865
1866void psxBios_puts() { // 3e/3f
808a13bd 1867 SysPrintf("%s", Ra0);
ef79bbde
P		 1868 pc0 = ra;
1869}
1870
1871char ffile[64], *pfile;
1872int nfile;
1873
1874#define bufile(mcd) { \
1875 while (nfile < 16) { \
1876 int match=1; \
1877 \
1878 ptr = Mcd##mcd##Data + 128 * nfile; \
1879 nfile++; \
1880 if ((*ptr & 0xF0) != 0x50) continue; \
1881 ptr+= 0xa; \
1882 if (pfile[0] == 0) { \
507d7c1d 1883 strncpy(dir->name, ptr, sizeof(dir->name)); \
1884 dir->name[sizeof(dir->name) - 1] = '\0'; \
ef79bbde
P		 1885 } else for (i=0; i<20; i++) { \
1886 if (pfile[i] == ptr[i]) { \
1887 dir->name[i] = ptr[i]; \
1888 if (ptr[i] == 0) break; else continue; } \
1889 if (pfile[i] == '?') { \
1890 dir->name[i] = ptr[i]; continue; } \
1891 if (pfile[i] == '*') { \
1892 strcpy(dir->name+i, ptr+i); break; } \
1893 match = 0; break; \
1894 } \
1895 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
1896 if (match == 0) continue; \
1897 dir->size = 8192; \
1898 v0 = _dir; \
1899 break; \
1900 } \
1901}
1902
1903/*
1904 * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
1905 */
1906
1907void psxBios_firstfile() { // 42
1908 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
02949f79 1909 void *pa0 = Ra0;
ef79bbde
P		 1910 u32 _dir = a1;
1911 char *ptr;
1912 int i;
1913
1914#ifdef PSXBIOS_LOG
1915 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
1916#endif
1917
1918 v0 = 0;
1919
02949f79 1920 if (pa0) {
1921 strcpy(ffile, pa0);
1922 pfile = ffile+5;
1923 nfile = 1;
1924 if (!strncmp(pa0, "bu00", 4)) {
1925 bufile(1);
1926 } else if (!strncmp(pa0, "bu10", 4)) {
1927 bufile(2);
1928 }
ef79bbde
P		 1929 }
1930
66ade381 1931 // firstfile() calls _card_read() internally, so deliver it's event
1932 DeliverEvent(0x11, 0x2);
1933
ef79bbde
P		 1934 pc0 = ra;
1935}
1936
1937/*
1938 * struct DIRENTRY* nextfile(struct DIRENTRY *dir);
1939 */
1940
1941void psxBios_nextfile() { // 43
1942 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
1943 u32 _dir = a0;
1944 char *ptr;
1945 int i;
1946
1947#ifdef PSXBIOS_LOG
1948 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
1949#endif
1950
1951 v0 = 0;
1952
1953 if (!strncmp(ffile, "bu00", 4)) {
1954 bufile(1);
1955 }
1956
1957 if (!strncmp(ffile, "bu10", 4)) {
1958 bufile(2);
1959 }
1960
1961 pc0 = ra;
1962}
1963
1964#define burename(mcd) { \
1965 for (i=1; i<16; i++) { \
1966 int namelen, j, xor = 0; \
1967 ptr = Mcd##mcd##Data + 128 * i; \
1968 if ((*ptr & 0xF0) != 0x50) continue; \
1969 if (strcmp(Ra0+5, ptr+0xa)) continue; \
1970 namelen = strlen(Ra1+5); \
1971 memcpy(ptr+0xa, Ra1+5, namelen); \
1972 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
1973 for (j=0; j<127; j++) xor^= ptr[j]; \
1974 ptr[127] = xor; \
1975 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
1976 v0 = 1; \
1977 break; \
1978 } \
1979}
1980
1981/*
1982 * int rename(char *old, char *new);
1983 */
1984
1985void psxBios_rename() { // 44
02949f79 1986 void *pa0 = Ra0;
1987 void *pa1 = Ra1;
ef79bbde
P		 1988 char *ptr;
1989 int i;
1990
1991#ifdef PSXBIOS_LOG
1992 PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
1993#endif
1994
1995 v0 = 0;
1996
02949f79 1997 if (pa0 && pa1) {
1998 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
1999 burename(1);
2000 }
ef79bbde 2001
02949f79 2002 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
2003 burename(2);
2004 }
ef79bbde
P		 2005 }
2006
2007 pc0 = ra;
2008}
2009
2010
2011#define budelete(mcd) { \
2012 for (i=1; i<16; i++) { \
2013 ptr = Mcd##mcd##Data + 128 * i; \
2014 if ((*ptr & 0xF0) != 0x50) continue; \
2015 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2016 *ptr = (*ptr & 0xf) | 0xA0; \
2017 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
2018 SysPrintf("delete %s\n", ptr+0xa); \
2019 v0 = 1; \
2020 break; \
2021 } \
2022}
2023
2024/*
2025 * int delete(char *name);
2026 */
2027
2028void psxBios_delete() { // 45
02949f79 2029 void *pa0 = Ra0;
ef79bbde
P		 2030 char *ptr;
2031 int i;
2032
2033#ifdef PSXBIOS_LOG
2034 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2035#endif
2036
2037 v0 = 0;
2038
02949f79 2039 if (pa0) {
2040 if (!strncmp(pa0, "bu00", 4)) {
2041 budelete(1);
2042 }
ef79bbde 2043
02949f79 2044 if (!strncmp(pa0, "bu10", 4)) {
2045 budelete(2);
2046 }
ef79bbde
P		 2047 }
2048
2049 pc0 = ra;
2050}
2051
2052void psxBios_InitCARD() { // 4a
2053#ifdef PSXBIOS_LOG
2054 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2055#endif
2056
2057 CardState = 0;
2058
2059 pc0 = ra;
2060}
2061
2062void psxBios_StartCARD() { // 4b
2063#ifdef PSXBIOS_LOG
2064 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2065#endif
2066
2067 if (CardState == 0) CardState = 1;
2068
2069 pc0 = ra;
2070}
2071
2072void psxBios_StopCARD() { // 4c
2073#ifdef PSXBIOS_LOG
2074 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2075#endif
2076
2077 if (CardState == 1) CardState = 0;
2078
2079 pc0 = ra;
2080}
2081
2082void psxBios__card_write() { // 0x4e
02949f79 2083 void *pa2 = Ra2;
ef79bbde
P		 2084 int port;
2085
2086#ifdef PSXBIOS_LOG
2087 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2088#endif
2089
e9fda093 2090 card_active_chan = a0;
ef79bbde
P		 2091 port = a0 >> 4;
2092
02949f79 2093 if (pa2) {
2094 if (port == 0) {
2095 memcpy(Mcd1Data + a1 * 128, pa2, 128);
2096 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2097 } else {
2098 memcpy(Mcd2Data + a1 * 128, pa2, 128);
2099 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2100 }
ef79bbde
P		 2101 }
2102
2103 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2104// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2105
2106 v0 = 1; pc0 = ra;
2107}
2108
2109void psxBios__card_read() { // 0x4f
02949f79 2110 void *pa2 = Ra2;
ef79bbde
P		 2111 int port;
2112
2113#ifdef PSXBIOS_LOG
2114 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2115#endif
2116
e9fda093 2117 card_active_chan = a0;
ef79bbde
P		 2118 port = a0 >> 4;
2119
02949f79 2120 if (pa2) {
2121 if (port == 0) {
2122 memcpy(pa2, Mcd1Data + a1 * 128, 128);
2123 } else {
2124 memcpy(pa2, Mcd2Data + a1 * 128, 128);
2125 }
ef79bbde
P		 2126 }
2127
2128 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2129// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2130
2131 v0 = 1; pc0 = ra;
2132}
2133
2134void psxBios__new_card() { // 0x50
2135#ifdef PSXBIOS_LOG
2136 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2137#endif
2138
2139 pc0 = ra;
2140}
2141
2142void psxBios_Krom2RawAdd() { // 0x51
2143 int i = 0;
2144
2145 const u32 table_8140[][2] = {
2146 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2147 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2148 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2149 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2150 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2151 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2152 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2153 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2154 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2155 {0xffff, 0}
2156 };
2157
2158 const u32 table_889f[][2] = {
2159 {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4},
2160 {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304},
2161 {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14},
2162 {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24},
2163 {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734},
2164 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2165 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2166 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2167 {0xffff, 0}
2168 };
2169
2170 if (a0 >= 0x8140 && a0 <= 0x84be) {
2171 while (table_8140[i][0] <= a0) i++;
2172 a0 -= table_8140[i - 1][0];
2173 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2174 } else if (a0 >= 0x889f && a0 <= 0x9872) {
2175 while (table_889f[i][0] <= a0) i++;
2176 a0 -= table_889f[i - 1][0];
2177 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2178 } else {
2179 v0 = 0xffffffff;
2180 }
2181
2182 pc0 = ra;
2183}
2184
2185void psxBios_GetC0Table() { // 56
2186#ifdef PSXBIOS_LOG
2187 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2188#endif
2189
2190 v0 = 0x674; pc0 = ra;
2191}
2192
2193void psxBios_GetB0Table() { // 57
2194#ifdef PSXBIOS_LOG
2195 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2196#endif
2197
2198 v0 = 0x874; pc0 = ra;
2199}
2200
e9fda093 2201void psxBios__card_chan() { // 0x58
2202#ifdef PSXBIOS_LOG
2203 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2204#endif
2205
2206 v0 = card_active_chan;
2207 pc0 = ra;
2208}
2209
ef79bbde
P		 2210void psxBios_ChangeClearPad() { // 5b
2211#ifdef PSXBIOS_LOG
2212 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2213#endif
2214
2215 pc0 = ra;
2216}
2217
2218/* System calls C0 */
2219
2220/*
2221 * int SysEnqIntRP(int index , long *queue);
2222 */
2223
2224void psxBios_SysEnqIntRP() { // 02
2225#ifdef PSXBIOS_LOG
2226 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2227#endif
2228
2229 SysIntRP[a0] = a1;
2230
2231 v0 = 0; pc0 = ra;
2232}
2233
2234/*
2235 * int SysDeqIntRP(int index , long *queue);
2236 */
2237
2238void psxBios_SysDeqIntRP() { // 03
2239#ifdef PSXBIOS_LOG
2240 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2241#endif
2242
2243 SysIntRP[a0] = 0;
2244
2245 v0 = 0; pc0 = ra;
2246}
2247
2248void psxBios_ChangeClearRCnt() { // 0a
2249 u32 *ptr;
2250
2251#ifdef PSXBIOS_LOG
2252 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2253#endif
2254
2255 ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2256 v0 = *ptr;
2257 *ptr = a1;
2258
2259// psxRegs.CP0.n.Status|= 0x404;
2260 pc0 = ra;
2261}
2262
2263void psxBios_dummy() {
2264#ifdef PSXBIOS_LOG
2265 PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2266#endif
2267 pc0 = ra;
2268}
2269
2270void (*biosA0[256])();
2271void (*biosB0[256])();
2272void (*biosC0[256])();
2273
2274#include "sjisfont.h"
2275
2276void psxBiosInit() {
2277 u32 base, size;
2278 u32 *ptr;
2279 int i;
2280 uLongf len;
2281
2282 for(i = 0; i < 256; i++) {
2283 biosA0[i] = NULL;
2284 biosB0[i] = NULL;
2285 biosC0[i] = NULL;
2286 }
2287 biosA0[0x3e] = psxBios_puts;
2288 biosA0[0x3f] = psxBios_printf;
2289
2290 biosB0[0x3d] = psxBios_putchar;
2291 biosB0[0x3f] = psxBios_puts;
2292
2293 if (!Config.HLE) return;
2294
2295 for(i = 0; i < 256; i++) {
2296 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2297 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2298 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2299 }
2300
2301 biosA0[0x00] = psxBios_open;
2302 biosA0[0x01] = psxBios_lseek;
2303 biosA0[0x02] = psxBios_read;
2304 biosA0[0x03] = psxBios_write;
2305 biosA0[0x04] = psxBios_close;
2306 //biosA0[0x05] = psxBios_ioctl;
2307 //biosA0[0x06] = psxBios_exit;
2308 //biosA0[0x07] = psxBios_sys_a0_07;
2309 //biosA0[0x08] = psxBios_getc;
2310 //biosA0[0x09] = psxBios_putc;
2311 //biosA0[0x0a] = psxBios_todigit;
2312 //biosA0[0x0b] = psxBios_atof;
2313 //biosA0[0x0c] = psxBios_strtoul;
2314 //biosA0[0x0d] = psxBios_strtol;
2315 biosA0[0x0e] = psxBios_abs;
2316 biosA0[0x0f] = psxBios_labs;
2317 biosA0[0x10] = psxBios_atoi;
2318 biosA0[0x11] = psxBios_atol;
2319 //biosA0[0x12] = psxBios_atob;
2320 biosA0[0x13] = psxBios_setjmp;
2321 biosA0[0x14] = psxBios_longjmp;
2322 biosA0[0x15] = psxBios_strcat;
2323 biosA0[0x16] = psxBios_strncat;
2324 biosA0[0x17] = psxBios_strcmp;
2325 biosA0[0x18] = psxBios_strncmp;
2326 biosA0[0x19] = psxBios_strcpy;
2327 biosA0[0x1a] = psxBios_strncpy;
2328 biosA0[0x1b] = psxBios_strlen;
2329 biosA0[0x1c] = psxBios_index;
2330 biosA0[0x1d] = psxBios_rindex;
2331 biosA0[0x1e] = psxBios_strchr;
2332 biosA0[0x1f] = psxBios_strrchr;
2333 biosA0[0x20] = psxBios_strpbrk;
2334 biosA0[0x21] = psxBios_strspn;
2335 biosA0[0x22] = psxBios_strcspn;
2336 biosA0[0x23] = psxBios_strtok;
2337 biosA0[0x24] = psxBios_strstr;
2338 biosA0[0x25] = psxBios_toupper;
2339 biosA0[0x26] = psxBios_tolower;
2340 biosA0[0x27] = psxBios_bcopy;
2341 biosA0[0x28] = psxBios_bzero;
2342 biosA0[0x29] = psxBios_bcmp;
2343 biosA0[0x2a] = psxBios_memcpy;
2344 biosA0[0x2b] = psxBios_memset;
2345 biosA0[0x2c] = psxBios_memmove;
2346 biosA0[0x2d] = psxBios_memcmp;
2347 biosA0[0x2e] = psxBios_memchr;
2348 biosA0[0x2f] = psxBios_rand;
2349 biosA0[0x30] = psxBios_srand;
2350 biosA0[0x31] = psxBios_qsort;
2351 //biosA0[0x32] = psxBios_strtod;
2352 biosA0[0x33] = psxBios_malloc;
2353 biosA0[0x34] = psxBios_free;
2354 //biosA0[0x35] = psxBios_lsearch;
2355 //biosA0[0x36] = psxBios_bsearch;
2356 biosA0[0x37] = psxBios_calloc;
2357 biosA0[0x38] = psxBios_realloc;
2358 biosA0[0x39] = psxBios_InitHeap;
2359 //biosA0[0x3a] = psxBios__exit;
2360 biosA0[0x3b] = psxBios_getchar;
2361 biosA0[0x3c] = psxBios_putchar;
2362 //biosA0[0x3d] = psxBios_gets;
2363 //biosA0[0x40] = psxBios_sys_a0_40;
2364 //biosA0[0x41] = psxBios_LoadTest;
2365 biosA0[0x42] = psxBios_Load;
2366 biosA0[0x43] = psxBios_Exec;
2367 biosA0[0x44] = psxBios_FlushCache;
2368 //biosA0[0x45] = psxBios_InstallInterruptHandler;
2369 biosA0[0x46] = psxBios_GPU_dw;
2370 biosA0[0x47] = psxBios_mem2vram;
2371 biosA0[0x48] = psxBios_SendGPU;
2372 biosA0[0x49] = psxBios_GPU_cw;
2373 biosA0[0x4a] = psxBios_GPU_cwb;
2374 biosA0[0x4b] = psxBios_GPU_SendPackets;
2375 biosA0[0x4c] = psxBios_sys_a0_4c;
2376 biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2377 //biosA0[0x4e] = psxBios_GPU_sync;
2378 //biosA0[0x4f] = psxBios_sys_a0_4f;
2379 //biosA0[0x50] = psxBios_sys_a0_50;
2380 biosA0[0x51] = psxBios_LoadExec;
2381 //biosA0[0x52] = psxBios_GetSysSp;
2382 //biosA0[0x53] = psxBios_sys_a0_53;
2383 //biosA0[0x54] = psxBios__96_init_a54;
2384 //biosA0[0x55] = psxBios__bu_init_a55;
2385 //biosA0[0x56] = psxBios__96_remove_a56;
2386 //biosA0[0x57] = psxBios_sys_a0_57;
2387 //biosA0[0x58] = psxBios_sys_a0_58;
2388 //biosA0[0x59] = psxBios_sys_a0_59;
2389 //biosA0[0x5a] = psxBios_sys_a0_5a;
2390 //biosA0[0x5b] = psxBios_dev_tty_init;
2391 //biosA0[0x5c] = psxBios_dev_tty_open;
2392 //biosA0[0x5d] = psxBios_sys_a0_5d;
2393 //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2394 //biosA0[0x5f] = psxBios_dev_cd_open;
2395 //biosA0[0x60] = psxBios_dev_cd_read;
2396 //biosA0[0x61] = psxBios_dev_cd_close;
2397 //biosA0[0x62] = psxBios_dev_cd_firstfile;
2398 //biosA0[0x63] = psxBios_dev_cd_nextfile;
2399 //biosA0[0x64] = psxBios_dev_cd_chdir;
2400 //biosA0[0x65] = psxBios_dev_card_open;
2401 //biosA0[0x66] = psxBios_dev_card_read;
2402 //biosA0[0x67] = psxBios_dev_card_write;
2403 //biosA0[0x68] = psxBios_dev_card_close;
2404 //biosA0[0x69] = psxBios_dev_card_firstfile;
2405 //biosA0[0x6a] = psxBios_dev_card_nextfile;
2406 //biosA0[0x6b] = psxBios_dev_card_erase;
2407 //biosA0[0x6c] = psxBios_dev_card_undelete;
2408 //biosA0[0x6d] = psxBios_dev_card_format;
2409 //biosA0[0x6e] = psxBios_dev_card_rename;
2410 //biosA0[0x6f] = psxBios_dev_card_6f;
2411 biosA0[0x70] = psxBios__bu_init;
2412 biosA0[0x71] = psxBios__96_init;
2413 biosA0[0x72] = psxBios__96_remove;
2414 //biosA0[0x73] = psxBios_sys_a0_73;
2415 //biosA0[0x74] = psxBios_sys_a0_74;
2416 //biosA0[0x75] = psxBios_sys_a0_75;
2417 //biosA0[0x76] = psxBios_sys_a0_76;
2418 //biosA0[0x77] = psxBios_sys_a0_77;
2419 //biosA0[0x78] = psxBios__96_CdSeekL;
2420 //biosA0[0x79] = psxBios_sys_a0_79;
2421 //biosA0[0x7a] = psxBios_sys_a0_7a;
2422 //biosA0[0x7b] = psxBios_sys_a0_7b;
2423 //biosA0[0x7c] = psxBios__96_CdGetStatus;
2424 //biosA0[0x7d] = psxBios_sys_a0_7d;
2425 //biosA0[0x7e] = psxBios__96_CdRead;
2426 //biosA0[0x7f] = psxBios_sys_a0_7f;
2427 //biosA0[0x80] = psxBios_sys_a0_80;
2428 //biosA0[0x81] = psxBios_sys_a0_81;
2429 //biosA0[0x82] = psxBios_sys_a0_82;
2430 //biosA0[0x83] = psxBios_sys_a0_83;
2431 //biosA0[0x84] = psxBios_sys_a0_84;
2432 //biosA0[0x85] = psxBios__96_CdStop;
2433 //biosA0[0x86] = psxBios_sys_a0_86;
2434 //biosA0[0x87] = psxBios_sys_a0_87;
2435 //biosA0[0x88] = psxBios_sys_a0_88;
2436 //biosA0[0x89] = psxBios_sys_a0_89;
2437 //biosA0[0x8a] = psxBios_sys_a0_8a;
2438 //biosA0[0x8b] = psxBios_sys_a0_8b;
2439 //biosA0[0x8c] = psxBios_sys_a0_8c;
2440 //biosA0[0x8d] = psxBios_sys_a0_8d;
2441 //biosA0[0x8e] = psxBios_sys_a0_8e;
2442 //biosA0[0x8f] = psxBios_sys_a0_8f;
2443 //biosA0[0x90] = psxBios_sys_a0_90;
2444 //biosA0[0x91] = psxBios_sys_a0_91;
2445 //biosA0[0x92] = psxBios_sys_a0_92;
2446 //biosA0[0x93] = psxBios_sys_a0_93;
2447 //biosA0[0x94] = psxBios_sys_a0_94;
2448 //biosA0[0x95] = psxBios_sys_a0_95;
2449 //biosA0[0x96] = psxBios_AddCDROMDevice;
2450 //biosA0[0x97] = psxBios_AddMemCardDevide;
2451 //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2452 //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2453 //biosA0[0x9a] = psxBios_sys_a0_9a;
2454 //biosA0[0x9b] = psxBios_sys_a0_9b;
2455 //biosA0[0x9c] = psxBios_SetConf;
2456 //biosA0[0x9d] = psxBios_GetConf;
2457 //biosA0[0x9e] = psxBios_sys_a0_9e;
2458 biosA0[0x9f] = psxBios_SetMem;
2459 //biosA0[0xa0] = psxBios__boot;
2460 //biosA0[0xa1] = psxBios_SystemError;
2461 //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2462 //biosA0[0xa3] = psxBios_DequeueCdIntr;
2463 //biosA0[0xa4] = psxBios_sys_a0_a4;
2464 //biosA0[0xa5] = psxBios_ReadSector;
2465 //biosA0[0xa6] = psxBios_get_cd_status;
2466 //biosA0[0xa7] = psxBios_bufs_cb_0;
2467 //biosA0[0xa8] = psxBios_bufs_cb_1;
2468 //biosA0[0xa9] = psxBios_bufs_cb_2;
2469 //biosA0[0xaa] = psxBios_bufs_cb_3;
2470 biosA0[0xab] = psxBios__card_info;
2471 biosA0[0xac] = psxBios__card_load;
2472 //biosA0[0axd] = psxBios__card_auto;
2473 //biosA0[0xae] = psxBios_bufs_cd_4;
2474 //biosA0[0xaf] = psxBios_sys_a0_af;
2475 //biosA0[0xb0] = psxBios_sys_a0_b0;
2476 //biosA0[0xb1] = psxBios_sys_a0_b1;
2477 //biosA0[0xb2] = psxBios_do_a_long_jmp
2478 //biosA0[0xb3] = psxBios_sys_a0_b3;
2479 //biosA0[0xb4] = psxBios_sub_function;
2480//*******************B0 CALLS****************************
2481 //biosB0[0x00] = psxBios_SysMalloc;
2482 //biosB0[0x01] = psxBios_sys_b0_01;
2483 biosB0[0x02] = psxBios_SetRCnt;
2484 biosB0[0x03] = psxBios_GetRCnt;
2485 biosB0[0x04] = psxBios_StartRCnt;
2486 biosB0[0x05] = psxBios_StopRCnt;
2487 biosB0[0x06] = psxBios_ResetRCnt;
2488 biosB0[0x07] = psxBios_DeliverEvent;
2489 biosB0[0x08] = psxBios_OpenEvent;
2490 biosB0[0x09] = psxBios_CloseEvent;
2491 biosB0[0x0a] = psxBios_WaitEvent;
2492 biosB0[0x0b] = psxBios_TestEvent;
2493 biosB0[0x0c] = psxBios_EnableEvent;
2494 biosB0[0x0d] = psxBios_DisableEvent;
2495 biosB0[0x0e] = psxBios_OpenTh;
2496 biosB0[0x0f] = psxBios_CloseTh;
2497 biosB0[0x10] = psxBios_ChangeTh;
2498 //biosB0[0x11] = psxBios_psxBios_b0_11;
2499 biosB0[0x12] = psxBios_InitPAD;
2500 biosB0[0x13] = psxBios_StartPAD;
2501 biosB0[0x14] = psxBios_StopPAD;
2502 biosB0[0x15] = psxBios_PAD_init;
2503 biosB0[0x16] = psxBios_PAD_dr;
2504 biosB0[0x17] = psxBios_ReturnFromException;
2505 biosB0[0x18] = psxBios_ResetEntryInt;
2506 biosB0[0x19] = psxBios_HookEntryInt;
2507 //biosB0[0x1a] = psxBios_sys_b0_1a;
2508 //biosB0[0x1b] = psxBios_sys_b0_1b;
2509 //biosB0[0x1c] = psxBios_sys_b0_1c;
2510 //biosB0[0x1d] = psxBios_sys_b0_1d;
2511 //biosB0[0x1e] = psxBios_sys_b0_1e;
2512 //biosB0[0x1f] = psxBios_sys_b0_1f;
2513 biosB0[0x20] = psxBios_UnDeliverEvent;
2514 //biosB0[0x21] = psxBios_sys_b0_21;
2515 //biosB0[0x22] = psxBios_sys_b0_22;
2516 //biosB0[0x23] = psxBios_sys_b0_23;
2517 //biosB0[0x24] = psxBios_sys_b0_24;
2518 //biosB0[0x25] = psxBios_sys_b0_25;
2519 //biosB0[0x26] = psxBios_sys_b0_26;
2520 //biosB0[0x27] = psxBios_sys_b0_27;
2521 //biosB0[0x28] = psxBios_sys_b0_28;
2522 //biosB0[0x29] = psxBios_sys_b0_29;
2523 //biosB0[0x2a] = psxBios_sys_b0_2a;
2524 //biosB0[0x2b] = psxBios_sys_b0_2b;
2525 //biosB0[0x2c] = psxBios_sys_b0_2c;
2526 //biosB0[0x2d] = psxBios_sys_b0_2d;
2527 //biosB0[0x2e] = psxBios_sys_b0_2e;
2528 //biosB0[0x2f] = psxBios_sys_b0_2f;
2529 //biosB0[0x30] = psxBios_sys_b0_30;
2530 //biosB0[0x31] = psxBios_sys_b0_31;
2531 biosB0[0x32] = psxBios_open;
2532 biosB0[0x33] = psxBios_lseek;
2533 biosB0[0x34] = psxBios_read;
2534 biosB0[0x35] = psxBios_write;
2535 biosB0[0x36] = psxBios_close;
2536 //biosB0[0x37] = psxBios_ioctl;
2537 //biosB0[0x38] = psxBios_exit;
2538 //biosB0[0x39] = psxBios_sys_b0_39;
2539 //biosB0[0x3a] = psxBios_getc;
2540 //biosB0[0x3b] = psxBios_putc;
2541 biosB0[0x3c] = psxBios_getchar;
2542 //biosB0[0x3e] = psxBios_gets;
2543 //biosB0[0x40] = psxBios_cd;
e7e1f572 2544 biosB0[0x41] = psxBios_format;
ef79bbde
P		 2545 biosB0[0x42] = psxBios_firstfile;
2546 biosB0[0x43] = psxBios_nextfile;
2547 biosB0[0x44] = psxBios_rename;
2548 biosB0[0x45] = psxBios_delete;
2549 //biosB0[0x46] = psxBios_undelete;
2550 //biosB0[0x47] = psxBios_AddDevice;
2551 //biosB0[0x48] = psxBios_RemoteDevice;
2552 //biosB0[0x49] = psxBios_PrintInstalledDevices;
2553 biosB0[0x4a] = psxBios_InitCARD;
2554 biosB0[0x4b] = psxBios_StartCARD;
2555 biosB0[0x4c] = psxBios_StopCARD;
2556 //biosB0[0x4d] = psxBios_sys_b0_4d;
2557 biosB0[0x4e] = psxBios__card_write;
2558 biosB0[0x4f] = psxBios__card_read;
2559 biosB0[0x50] = psxBios__new_card;
2560 biosB0[0x51] = psxBios_Krom2RawAdd;
2561 //biosB0[0x52] = psxBios_sys_b0_52;
2562 //biosB0[0x53] = psxBios_sys_b0_53;
2563 //biosB0[0x54] = psxBios__get_errno;
2564 //biosB0[0x55] = psxBios__get_error;
2565 biosB0[0x56] = psxBios_GetC0Table;
2566 biosB0[0x57] = psxBios_GetB0Table;
e9fda093 2567 biosB0[0x58] = psxBios__card_chan;
ef79bbde
P		 2568 //biosB0[0x59] = psxBios_sys_b0_59;
2569 //biosB0[0x5a] = psxBios_sys_b0_5a;
2570 biosB0[0x5b] = psxBios_ChangeClearPad;
2571 //biosB0[0x5c] = psxBios__card_status;
2572 //biosB0[0x5d] = psxBios__card_wait;
2573//*******************C0 CALLS****************************
2574 //biosC0[0x00] = psxBios_InitRCnt;
2575 //biosC0[0x01] = psxBios_InitException;
2576 biosC0[0x02] = psxBios_SysEnqIntRP;
2577 biosC0[0x03] = psxBios_SysDeqIntRP;
2578 //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2579 //biosC0[0x05] = psxBios_get_free_TCB_slot;
2580 //biosC0[0x06] = psxBios_ExceptionHandler;
2581 //biosC0[0x07] = psxBios_InstallExeptionHandler;
2582 //biosC0[0x08] = psxBios_SysInitMemory;
2583 //biosC0[0x09] = psxBios_SysInitKMem;
2584 biosC0[0x0a] = psxBios_ChangeClearRCnt;
2585 //biosC0[0x0b] = psxBios_SystemError;
2586 //biosC0[0x0c] = psxBios_InitDefInt;
2587 //biosC0[0x0d] = psxBios_sys_c0_0d;
2588 //biosC0[0x0e] = psxBios_sys_c0_0e;
2589 //biosC0[0x0f] = psxBios_sys_c0_0f;
2590 //biosC0[0x10] = psxBios_sys_c0_10;
2591 //biosC0[0x11] = psxBios_sys_c0_11;
2592 //biosC0[0x12] = psxBios_InstallDevices;
2593 //biosC0[0x13] = psxBios_FlushStfInOutPut;
2594 //biosC0[0x14] = psxBios_sys_c0_14;
2595 //biosC0[0x15] = psxBios__cdevinput;
2596 //biosC0[0x16] = psxBios__cdevscan;
2597 //biosC0[0x17] = psxBios__circgetc;
2598 //biosC0[0x18] = psxBios__circputc;
2599 //biosC0[0x19] = psxBios_ioabort;
2600 //biosC0[0x1a] = psxBios_sys_c0_1a
2601 //biosC0[0x1b] = psxBios_KernelRedirect;
2602 //biosC0[0x1c] = psxBios_PatchAOTable;
2603//************** THE END ***************************************
2604/**/
2605 base = 0x1000;
2606 size = sizeof(EvCB) * 32;
2607 Event = (void *)&psxR[base]; base += size * 6;
2608 memset(Event, 0, size * 6);
2609 HwEV = Event;
2610 EvEV = Event + 32;
2611 RcEV = Event + 32 * 2;
2612 UeEV = Event + 32 * 3;
2613 SwEV = Event + 32 * 4;
2614 ThEV = Event + 32 * 5;
2615
2616 ptr = (u32 *)&psxM[0x0874]; // b0 table
2617 ptr[0] = SWAPu32(0x4c54 - 0x884);
2618
2619 ptr = (u32 *)&psxM[0x0674]; // c0 table
2620 ptr[6] = SWAPu32(0xc80);
2621
2622 memset(SysIntRP, 0, sizeof(SysIntRP));
2623 memset(Thread, 0, sizeof(Thread));
2624 Thread[0].status = 2; // main thread
2625
c62b43c9 2626 jmp_int = NULL;
2627 pad_buf = NULL;
2628 pad_buf1 = NULL;
2629 pad_buf2 = NULL;
2630 pad_buf1len = pad_buf2len = 0;
2631 heap_addr = NULL;
2632 heap_end = NULL;
2633 CardState = -1;
2634 CurThread = 0;
2635 memset(FDesc, 0, sizeof(FDesc));
2636
ef79bbde
P		 2637 psxMu32ref(0x0150) = SWAPu32(0x160);
2638 psxMu32ref(0x0154) = SWAPu32(0x320);
2639 psxMu32ref(0x0160) = SWAPu32(0x248);
2640 strcpy((char *)&psxM[0x248], "bu");
2641/* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
2642 psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
2643 psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
2644 psxMu32ref(0x09e0) = SWAPu32(0x43d0);
2645 psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
2646*/
2647 // opcode HLE
2648 psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
2649 psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
2650 psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
2651 psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
2652 psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
2653 psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
2654 psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
2655 psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
2656 psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
2657 psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
2658
2659 // initial stack pointer for BIOS interrupt
2660 psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
2661
2662 // initial RNG seed
2663 psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
2664
2665 // fonts
2666 len = 0x80000 - 0x66000;
2667 uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
2668 len = 0x80000 - 0x69d68;
2669 uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
2670
2671 // memory size 2 MB
2672 psxHu32ref(0x1060) = SWAPu32(0x00000b88);
2673
2674 hleSoftCall = FALSE;
2675}
2676
2677void psxBiosShutdown() {
2678}
2679
2680#define psxBios_PADpoll(pad) { \
2681 PAD##pad##_startPoll(pad); \
2682 pad_buf##pad[0] = 0; \
2683 pad_buf##pad[1] = PAD##pad##_poll(0x42); \
2684 if (!(pad_buf##pad[1] & 0x0f)) { \
2685 bufcount = 32; \
2686 } else { \
2687 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
2688 } \
2689 PAD##pad##_poll(0); \
2690 i = 2; \
2691 while (bufcount--) { \
2692 pad_buf##pad[i++] = PAD##pad##_poll(0); \
2693 } \
2694}
2695
2696void biosInterrupt() {
2697 int i, bufcount;
2698
2699// if (psxHu32(0x1070) & 0x1) { // Vsync
2700 if (pad_buf != NULL) {
2701 u32 *buf = (u32*)pad_buf;
2702
2703 if (!Config.UseNet) {
2704 PAD1_startPoll(1);
2705 if (PAD1_poll(0x42) == 0x23) {
2706 PAD1_poll(0);
2707 *buf = PAD1_poll(0) << 8;
2708 *buf |= PAD1_poll(0);
2709 PAD1_poll(0);
2710 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
2711 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
2712 } else {
2713 PAD1_poll(0);
2714 *buf = PAD1_poll(0) << 8;
2715 *buf|= PAD1_poll(0);
2716 }
2717
2718 PAD2_startPoll(2);
2719 if (PAD2_poll(0x42) == 0x23) {
2720 PAD2_poll(0);
2721 *buf |= PAD2_poll(0) << 24;
2722 *buf |= PAD2_poll(0) << 16;
2723 PAD2_poll(0);
2724 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
2725 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
2726 } else {
2727 PAD2_poll(0);
2728 *buf |= PAD2_poll(0) << 24;
2729 *buf |= PAD2_poll(0) << 16;
2730 }
2731 } else {
2732 u16 data;
2733
2734 PAD1_startPoll(1);
2735 PAD1_poll(0x42);
2736 PAD1_poll(0);
2737 data = PAD1_poll(0) << 8;
2738 data |= PAD1_poll(0);
2739
2740 if (NET_sendPadData(&data, 2) == -1)
2741 netError();
2742
2743 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
2744 netError();
2745 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
2746 netError();
2747 }
2748 }
2749 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
2750 psxBios_PADpoll(1);
2751
2752 if (NET_sendPadData(pad_buf1, i) == -1)
2753 netError();
2754
2755 if (NET_recvPadData(pad_buf1, 1) == -1)
2756 netError();
2757 if (NET_recvPadData(pad_buf2, 2) == -1)
2758 netError();
2759 } else {
2760 if (pad_buf1) {
2761 psxBios_PADpoll(1);
2762 }
2763
2764 if (pad_buf2) {
2765 psxBios_PADpoll(2);
2766 }
2767 }
2768
2769 if (psxHu32(0x1070) & 0x1) { // Vsync
2770 if (RcEV[3][1].status == EvStACTIVE) {
2771 softCall(RcEV[3][1].fhandler);
2772// hwWrite32(0x1f801070, ~(1));
2773 }
2774 }
2775
2776 if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
2777 int i;
2778
2779 for (i = 0; i < 3; i++) {
2780 if (psxHu32(0x1070) & (1 << (i + 4))) {
2781 if (RcEV[i][1].status == EvStACTIVE) {
2782 softCall(RcEV[i][1].fhandler);
2783 }
2784 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
2785 }
2786 }
2787 }
2788}
2789
2790void psxBiosException() {
2791 int i;
2792
2793 switch (psxRegs.CP0.n.Cause & 0x3c) {
2794 case 0x00: // Interrupt
2795#ifdef PSXCPU_LOG
2796// PSXCPU_LOG("interrupt\n");
2797#endif
2798 SaveRegs();
2799
2800 sp = psxMu32(0x6c80); // create new stack for interrupt handlers
2801
2802 biosInterrupt();
2803
2804 for (i = 0; i < 8; i++) {
2805 if (SysIntRP[i]) {
2806 u32 *queue = (u32 *)PSXM(SysIntRP[i]);
2807
2808 s0 = queue[2];
2809 softCall(queue[1]);
2810 }
2811 }
2812
2813 if (jmp_int != NULL) {
2814 int i;
2815
2816 psxHwWrite32(0x1f801070, 0xffffffff);
2817
2818 ra = jmp_int[0];
2819 sp = jmp_int[1];
2820 fp = jmp_int[2];
2821 for (i = 0; i < 8; i++) // s0-s7
2822 psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
2823 gp = jmp_int[11];
2824
2825 v0 = 1;
2826 pc0 = ra;
2827 return;
2828 }
2829 psxHwWrite16(0x1f801070, 0);
2830 break;
2831
2832 case 0x20: // Syscall
2833#ifdef PSXCPU_LOG
2834 PSXCPU_LOG("syscall exp %x\n", a0);
2835#endif
2836 switch (a0) {
2837 case 1: // EnterCritical - disable irq's
2838 psxRegs.CP0.n.Status &= ~0x404;
2839v0=1; // HDHOSHY experimental patch: Spongebob, Coldblood, fearEffect, Medievil2, Martian Gothic
2840 break;
2841
2842 case 2: // ExitCritical - enable irq's
2843 psxRegs.CP0.n.Status |= 0x404;
2844 break;
2845 }
2846 pc0 = psxRegs.CP0.n.EPC + 4;
2847
2848 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2849 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2850 return;
2851
2852 default:
2853#ifdef PSXCPU_LOG
2854 PSXCPU_LOG("unknown bios exception!\n");
2855#endif
2856 break;
2857 }
2858
2859 pc0 = psxRegs.CP0.n.EPC;
2860 if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
2861
2862 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2863 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2864}
2865
2866#define bfreeze(ptr, size) { \
2867 if (Mode == 1) memcpy(&psxR[base], ptr, size); \
2868 if (Mode == 0) memcpy(ptr, &psxR[base], size); \
2869 base += size; \
2870}
2871
2872#define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
2873#define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
2874
2875#define bfreezepsxMptr(ptr, type) { \
2876 if (Mode == 1) { \
2877 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
2878 else psxRu32ref(base) = 0; \
2879 } else { \
2880 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
2881 else (ptr) = NULL; \
2882 } \
2883 base += sizeof(u32); \
2884}
2885
2886void psxBiosFreeze(int Mode) {
2887 u32 base = 0x40000;
2888
2889 bfreezepsxMptr(jmp_int, u32);
2890 bfreezepsxMptr(pad_buf, int);
2891 bfreezepsxMptr(pad_buf1, char);
2892 bfreezepsxMptr(pad_buf2, char);
2893 bfreezepsxMptr(heap_addr, u32);
2894 bfreezel(&pad_buf1len);
2895 bfreezel(&pad_buf2len);
2896 bfreezes(regs);
2897 bfreezes(SysIntRP);
2898 bfreezel(&CardState);
2899 bfreezes(Thread);
2900 bfreezel(&CurThread);
2901 bfreezes(FDesc);
e9fda093 2902 bfreezel(&card_active_chan);
ef79bbde 2903}
ARM optimized PCSX fork