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fix irq status
[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
903#ifdef PSXBIOS_LOG
904 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
905#endif
906
907 a0 = a0 * a1;
908 psxBios_malloc();
909 memset(Rv0, 0, a0);
910}
911
912void psxBios_realloc() { // 0x38
913 u32 block = a0;
914 u32 size = a1;
915#ifdef PSXBIOS_LOG
916 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
917#endif
918
919 a0 = block;
920 psxBios_free();
921 a0 = size;
922 psxBios_malloc();
923}
924
925
926/* InitHeap(void *block , int n) */
927void psxBios_InitHeap() { // 0x39
928 unsigned int size;
929
930#ifdef PSXBIOS_LOG
931 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
932#endif
933
934 if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
935 else size = a1;
936
937 size &= 0xfffffffc;
938
939 heap_addr = (u32 *)Ra0;
940 heap_end = (u32 *)((u8 *)heap_addr + size);
941 *heap_addr = SWAP32(size | 1);
942
c979c3ee 943 SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
ef79bbde
P		 944
945 pc0 = ra;
946}
947
948void psxBios_getchar() { //0x3b
949 v0 = getchar(); pc0 = ra;
950}
951
952void psxBios_printf() { // 0x3f
953 char tmp[1024];
954 char tmp2[1024];
955 u32 save[4];
956 char *ptmp = tmp;
957 int n=1, i=0, j;
958
959 memcpy(save, (char*)PSXM(sp), 4 * 4);
960 psxMu32ref(sp) = SWAP32((u32)a0);
961 psxMu32ref(sp + 4) = SWAP32((u32)a1);
962 psxMu32ref(sp + 8) = SWAP32((u32)a2);
963 psxMu32ref(sp + 12) = SWAP32((u32)a3);
964
965 while (Ra0[i]) {
966 switch (Ra0[i]) {
967 case '%':
968 j = 0;
969 tmp2[j++] = '%';
970_start:
971 switch (Ra0[++i]) {
972 case '.':
973 case 'l':
974 tmp2[j++] = Ra0[i]; goto _start;
975 default:
976 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
977 tmp2[j++] = Ra0[i];
978 goto _start;
979 }
980 break;
981 }
982 tmp2[j++] = Ra0[i];
983 tmp2[j] = 0;
984
985 switch (Ra0[i]) {
986 case 'f': case 'F':
987 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
988 case 'a': case 'A':
989 case 'e': case 'E':
990 case 'g': case 'G':
991 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
992 case 'p':
993 case 'i':
994 case 'd': case 'D':
995 case 'o': case 'O':
996 case 'x': case 'X':
997 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
998 case 'c':
999 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
1000 case 's':
1001 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1002 case '%':
1003 *ptmp++ = Ra0[i]; break;
1004 }
1005 i++;
1006 break;
1007 default:
1008 *ptmp++ = Ra0[i++];
1009 }
1010 }
1011 *ptmp = 0;
1012
1013 memcpy((char*)PSXM(sp), save, 4 * 4);
1014
808a13bd 1015 SysPrintf("%s", tmp);
ef79bbde
P		 1016
1017 pc0 = ra;
1018}
1019
1020/*
1021 * long Load(char *name, struct EXEC *header);
1022 */
1023
1024void psxBios_Load() { // 0x42
1025 EXE_HEADER eheader;
1026
1027#ifdef PSXBIOS_LOG
1028 PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1029#endif
1030
1031 if (LoadCdromFile(Ra0, &eheader) == 0) {
1032 memcpy(Ra1, ((char*)&eheader)+16, sizeof(EXEC));
1033 v0 = 1;
1034 } else v0 = 0;
1035
1036 pc0 = ra;
1037}
1038
1039/*
1040 * int Exec(struct EXEC *header , int argc , char **argv);
1041 */
1042
1043void psxBios_Exec() { // 43
1044 EXEC *header = (EXEC*)Ra0;
1045 u32 tmp;
1046
1047#ifdef PSXBIOS_LOG
1048 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1049#endif
1050
1051 header->_sp = sp;
1052 header->_fp = fp;
1053 header->_sp = sp;
1054 header->_gp = gp;
1055 header->ret = ra;
1056 header->base = s0;
1057
1058 if (header->S_addr != 0) {
1059 tmp = header->S_addr + header->s_size;
1060 sp = tmp;
1061 fp = sp;
1062 }
1063
1064 gp = header->gp0;
1065
1066 s0 = a0;
1067
1068 a0 = a1;
1069 a1 = a2;
1070
1071 ra = 0x8000;
1072 pc0 = header->_pc0;
1073}
1074
1075void psxBios_FlushCache() { // 44
1076#ifdef PSXBIOS_LOG
1077 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1078#endif
1079
1080 pc0 = ra;
1081}
1082
1083void psxBios_GPU_dw() { // 0x46
1084 int size;
1085 s32 *ptr;
1086
1087#ifdef PSXBIOS_LOG
1088 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1089#endif
1090
1091 GPU_writeData(0xa0000000);
1092 GPU_writeData((a1<<16)|(a0&0xffff));
1093 GPU_writeData((a3<<16)|(a2&0xffff));
1094 size = (a2*a3+1)/2;
1095 ptr = (s32*)PSXM(Rsp[4]); //that is correct?
1096 do {
1097 GPU_writeData(SWAP32(*ptr));
1098 ptr++;
1099 } while(--size);
1100
1101 pc0 = ra;
1102}
1103
1104void psxBios_mem2vram() { // 0x47
1105 int size;
1106
1107 GPU_writeData(0xa0000000);
1108 GPU_writeData((a1<<16)|(a0&0xffff));
1109 GPU_writeData((a3<<16)|(a2&0xffff));
1110 size = (a2*a3+1)/2;
1111 GPU_writeStatus(0x04000002);
1112 psxHwWrite32(0x1f8010f4,0);
1113 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1114 psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1115 psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1116 psxHwWrite32(0x1f8010a8,0x01000201);
1117
1118 pc0 = ra;
1119}
1120
1121void psxBios_SendGPU() { // 0x48
1122 GPU_writeStatus(a0);
ddbaf678 1123 gpuSyncPluginSR();
ef79bbde
P		 1124 pc0 = ra;
1125}
1126
1127void psxBios_GPU_cw() { // 0x49
1128 GPU_writeData(a0);
1129 pc0 = ra;
1130}
1131
1132void psxBios_GPU_cwb() { // 0x4a
1133 s32 *ptr = (s32*)Ra0;
1134 int size = a1;
1135 while(size--) {
1136 GPU_writeData(SWAP32(*ptr));
1137 ptr++;
1138 }
1139
1140 pc0 = ra;
1141}
1142
1143void psxBios_GPU_SendPackets() { //4b:
1144 GPU_writeStatus(0x04000002);
1145 psxHwWrite32(0x1f8010f4,0);
1146 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1147 psxHwWrite32(0x1f8010a0,a0);
1148 psxHwWrite32(0x1f8010a4,0);
1149 psxHwWrite32(0x1f8010a8,0x010000401);
1150 pc0 = ra;
1151}
1152
1153void psxBios_sys_a0_4c() { // 0x4c GPU relate
1154 psxHwWrite32(0x1f8010a8,0x00000401);
1155 GPU_writeData(0x0400000);
1156 GPU_writeData(0x0200000);
1157 GPU_writeData(0x0100000);
1158
1159 pc0 = ra;
1160}
1161
1162void psxBios_GPU_GetGPUStatus() { // 0x4d
1163 v0 = GPU_readStatus();
1164 pc0 = ra;
1165}
1166
1167#undef s_addr
1168
1169void psxBios_LoadExec() { // 51
1170 EXEC *header = (EXEC*)PSXM(0xf000);
1171 u32 s_addr, s_size;
1172
1173#ifdef PSXBIOS_LOG
1174 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1175#endif
1176 s_addr = a1; s_size = a2;
1177
1178 a1 = 0xf000;
1179 psxBios_Load();
1180
1181 header->S_addr = s_addr;
1182 header->s_size = s_size;
1183
1184 a0 = 0xf000; a1 = 0; a2 = 0;
1185 psxBios_Exec();
1186}
1187
1188void psxBios__bu_init() { // 70
1189#ifdef PSXBIOS_LOG
1190 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1191#endif
1192
1193 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1194 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1195
1196 pc0 = ra;
1197}
1198
1199void psxBios__96_init() { // 71
1200#ifdef PSXBIOS_LOG
1201 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1202#endif
1203
1204 pc0 = ra;
1205}
1206
1207void psxBios__96_remove() { // 72
1208#ifdef PSXBIOS_LOG
1209 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1210#endif
1211
1212 pc0 = ra;
1213}
1214
1215void psxBios_SetMem() { // 9f
1216 u32 new = psxHu32(0x1060);
1217
1218#ifdef PSXBIOS_LOG
1219 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1220#endif
1221
1222 switch(a0) {
1223 case 2:
1224 psxHu32ref(0x1060) = SWAP32(new);
1225 psxMu32ref(0x060) = a0;
1226 SysPrintf("Change effective memory : %d MBytes\n",a0);
1227 break;
1228
1229 case 8:
1230 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1231 psxMu32ref(0x060) = a0;
1232 SysPrintf("Change effective memory : %d MBytes\n",a0);
1233
1234 default:
1235 SysPrintf("Effective memory must be 2/8 MBytes\n");
1236 break;
1237 }
1238
1239 pc0 = ra;
1240}
1241
1242void psxBios__card_info() { // ab
1243#ifdef PSXBIOS_LOG
1244 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1245#endif
1246
e9fda093 1247 card_active_chan = a0;
1248
ef79bbde
P		 1249// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1250 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1251
1252 v0 = 1; pc0 = ra;
1253}
1254
1255void psxBios__card_load() { // ac
1256#ifdef PSXBIOS_LOG
1257 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1258#endif
1259
e9fda093 1260 card_active_chan = a0;
1261
ef79bbde
P		 1262// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1263 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1264
1265 v0 = 1; pc0 = ra;
1266}
1267
1268/* System calls B0 */
1269
1270void psxBios_SetRCnt() { // 02
1271#ifdef PSXBIOS_LOG
1272 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1273#endif
1274
1275 a0&= 0x3;
1276 if (a0 != 3) {
1277 u32 mode=0;
1278
1279 psxRcntWtarget(a0, a1);
1280 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1281 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1282 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1283 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1284 else { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1285
1286 psxRcntWmode(a0, mode);
1287 }
1288 pc0 = ra;
1289}
1290
1291void psxBios_GetRCnt() { // 03
1292#ifdef PSXBIOS_LOG
1293 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1294#endif
1295
1296 a0&= 0x3;
1297 if (a0 != 3) v0 = psxRcntRcount(a0);
1298 else v0 = 0;
1299 pc0 = ra;
1300}
1301
1302void psxBios_StartRCnt() { // 04
1303#ifdef PSXBIOS_LOG
1304 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1305#endif
1306
1307 a0&= 0x3;
1308 if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1309 else psxHu32ref(0x1074)|= SWAPu32(0x1);
1310 v0 = 1; pc0 = ra;
1311}
1312
1313void psxBios_StopRCnt() { // 05
1314#ifdef PSXBIOS_LOG
1315 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1316#endif
1317
1318 a0&= 0x3;
1319 if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1320 else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1321 pc0 = ra;
1322}
1323
1324void psxBios_ResetRCnt() { // 06
1325#ifdef PSXBIOS_LOG
1326 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1327#endif
1328
1329 a0&= 0x3;
1330 if (a0 != 3) {
1331 psxRcntWmode(a0, 0);
1332 psxRcntWtarget(a0, 0);
1333 psxRcntWcount(a0, 0);
1334 }
1335 pc0 = ra;
1336}
1337
1338
1339/* gets ev for use with Event */
1340#define GetEv() \
1341 ev = (a0 >> 24) & 0xf; \
1342 if (ev == 0xf) ev = 0x5; \
1343 ev*= 32; \
1344 ev+= a0&0x1f;
1345
1346/* gets spec for use with Event */
1347#define GetSpec() \
1348 spec = 0; \
1349 switch (a1) { \
1350 case 0x0301: spec = 16; break; \
1351 case 0x0302: spec = 17; break; \
1352 default: \
1353 for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1354 break; \
1355 }
1356
1357void psxBios_DeliverEvent() { // 07
1358 int ev, spec;
1359 int i;
1360
1361 GetEv();
1362 GetSpec();
1363
1364#ifdef PSXBIOS_LOG
1365 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1366#endif
1367
1368 DeliverEvent(ev, spec);
1369
1370 pc0 = ra;
1371}
1372
1373void psxBios_OpenEvent() { // 08
1374 int ev, spec;
1375 int i;
1376
1377 GetEv();
1378 GetSpec();
1379
1380#ifdef PSXBIOS_LOG
1381 PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1382#endif
1383
1384 Event[ev][spec].status = EvStWAIT;
1385 Event[ev][spec].mode = a2;
1386 Event[ev][spec].fhandler = a3;
1387
1388 v0 = ev | (spec << 8);
1389 pc0 = ra;
1390}
1391
1392void psxBios_CloseEvent() { // 09
1393 int ev, spec;
1394
1395 ev = a0 & 0xff;
1396 spec = (a0 >> 8) & 0xff;
1397
1398#ifdef PSXBIOS_LOG
1399 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1400#endif
1401
1402 Event[ev][spec].status = EvStUNUSED;
1403
1404 v0 = 1; pc0 = ra;
1405}
1406
1407void psxBios_WaitEvent() { // 0a
1408 int ev, spec;
1409
1410 ev = a0 & 0xff;
1411 spec = (a0 >> 8) & 0xff;
1412
1413#ifdef PSXBIOS_LOG
1414 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1415#endif
1416
1417 Event[ev][spec].status = EvStACTIVE;
1418
1419 v0 = 1; pc0 = ra;
1420}
1421
1422void psxBios_TestEvent() { // 0b
1423 int ev, spec;
1424
1425 ev = a0 & 0xff;
1426 spec = (a0 >> 8) & 0xff;
1427
1428 if (Event[ev][spec].status == EvStALREADY) {
1429 Event[ev][spec].status = EvStACTIVE; v0 = 1;
1430 } else v0 = 0;
1431
1432#ifdef PSXBIOS_LOG
1433 PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1434#endif
1435
1436 pc0 = ra;
1437}
1438
1439void psxBios_EnableEvent() { // 0c
1440 int ev, spec;
1441
1442 ev = a0 & 0xff;
1443 spec = (a0 >> 8) & 0xff;
1444
1445#ifdef PSXBIOS_LOG
1446 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1447#endif
1448
1449 Event[ev][spec].status = EvStACTIVE;
1450
1451 v0 = 1; pc0 = ra;
1452}
1453
1454void psxBios_DisableEvent() { // 0d
1455 int ev, spec;
1456
1457 ev = a0 & 0xff;
1458 spec = (a0 >> 8) & 0xff;
1459
1460#ifdef PSXBIOS_LOG
1461 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1462#endif
1463
1464 Event[ev][spec].status = EvStWAIT;
1465
1466 v0 = 1; pc0 = ra;
1467}
1468
1469/*
1470 * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1471 */
1472
1473void psxBios_OpenTh() { // 0e
1474 int th;
1475
1476 for (th=1; th<8; th++)
1477 if (Thread[th].status == 0) break;
1478
1479#ifdef PSXBIOS_LOG
1480 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1481#endif
1482
1483 Thread[th].status = 1;
1484 Thread[th].func = a0;
1485 Thread[th].reg[29] = a1;
1486 Thread[th].reg[28] = a2;
1487
1488 v0 = th; pc0 = ra;
1489}
1490
1491/*
1492 * int CloseTh(long thread);
1493 */
1494
1495void psxBios_CloseTh() { // 0f
1496 int th = a0 & 0xff;
1497
1498#ifdef PSXBIOS_LOG
1499 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1500#endif
1501
1502 if (Thread[th].status == 0) {
1503 v0 = 0;
1504 } else {
1505 Thread[th].status = 0;
1506 v0 = 1;
1507 }
1508
1509 pc0 = ra;
1510}
1511
1512/*
1513 * int ChangeTh(long thread);
1514 */
1515
1516void psxBios_ChangeTh() { // 10
1517 int th = a0 & 0xff;
1518
1519#ifdef PSXBIOS_LOG
1520// PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1521#endif
1522
1523 if (Thread[th].status == 0 || CurThread == th) {
1524 v0 = 0;
1525
1526 pc0 = ra;
1527 } else {
1528 v0 = 1;
1529
1530 if (Thread[CurThread].status == 2) {
1531 Thread[CurThread].status = 1;
1532 Thread[CurThread].func = ra;
1533 memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1534 }
1535
1536 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1537 pc0 = Thread[th].func;
1538 Thread[th].status = 2;
1539 CurThread = th;
1540 }
1541}
1542
1543void psxBios_InitPAD() { // 0x12
1544#ifdef PSXBIOS_LOG
1545 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1546#endif
1547
1548 pad_buf1 = (char*)Ra0;
1549 pad_buf1len = a1;
1550 pad_buf2 = (char*)Ra2;
1551 pad_buf2len = a3;
1552
1553 v0 = 1; pc0 = ra;
1554}
1555
1556void psxBios_StartPAD() { // 13
1557#ifdef PSXBIOS_LOG
1558 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1559#endif
1560
1561 psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1562 psxRegs.CP0.n.Status |= 0x401;
1563 pc0 = ra;
1564}
1565
1566void psxBios_StopPAD() { // 14
1567#ifdef PSXBIOS_LOG
1568 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1569#endif
1570
1571 pad_buf1 = NULL;
1572 pad_buf2 = NULL;
1573 pc0 = ra;
1574}
1575
1576void psxBios_PAD_init() { // 15
1577#ifdef PSXBIOS_LOG
1578 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1579#endif
1580 psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1581 pad_buf = (int *)Ra1;
1582 *pad_buf = -1;
1583 psxRegs.CP0.n.Status |= 0x401;
1584 pc0 = ra;
1585}
1586
1587void psxBios_PAD_dr() { // 16
1588#ifdef PSXBIOS_LOG
1589 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1590#endif
1591
1592 v0 = -1; pc0 = ra;
1593}
1594
1595void psxBios_ReturnFromException() { // 17
1596 LoadRegs();
1597
1598 pc0 = psxRegs.CP0.n.EPC;
1599 if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1600
1601 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1602 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1603}
1604
1605void psxBios_ResetEntryInt() { // 18
1606#ifdef PSXBIOS_LOG
1607 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1608#endif
1609
1610 jmp_int = NULL;
1611 pc0 = ra;
1612}
1613
1614void psxBios_HookEntryInt() { // 19
1615#ifdef PSXBIOS_LOG
1616 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
1617#endif
1618
1619 jmp_int = (u32*)Ra0;
1620 pc0 = ra;
1621}
1622
1623void psxBios_UnDeliverEvent() { // 0x20
1624 int ev, spec;
1625 int i;
1626
1627 GetEv();
1628 GetSpec();
1629
1630#ifdef PSXBIOS_LOG
1631 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
1632#endif
1633
1634 if (Event[ev][spec].status == EvStALREADY &&
1635 Event[ev][spec].mode == EvMdNOINTR)
1636 Event[ev][spec].status = EvStACTIVE;
1637
1638 pc0 = ra;
1639}
1640
1641#define buopen(mcd) { \
1642 strcpy(FDesc[1 + mcd].name, Ra0+5); \
1643 FDesc[1 + mcd].offset = 0; \
1644 FDesc[1 + mcd].mode = a1; \
1645 \
1646 for (i=1; i<16; i++) { \
1647 ptr = Mcd##mcd##Data + 128 * i; \
1648 if ((*ptr & 0xF0) != 0x50) continue; \
1649 if (strcmp(FDesc[1 + mcd].name, ptr+0xa)) continue; \
1650 FDesc[1 + mcd].mcfile = i; \
1651 SysPrintf("open %s\n", ptr+0xa); \
1652 v0 = 1 + mcd; \
1653 break; \
1654 } \
1655 if (a1 & 0x200 && v0 == -1) { /* FCREAT */ \
1656 for (i=1; i<16; i++) { \
1657 int j, xor = 0; \
1658 \
1659 ptr = Mcd##mcd##Data + 128 * i; \
1660 if ((*ptr & 0xF0) == 0x50) continue; \
1661 ptr[0] = 0x50 | (u8)(a1 >> 16); \
1662 ptr[4] = 0x00; \
1663 ptr[5] = 0x20; \
1664 ptr[6] = 0x00; \
1665 ptr[7] = 0x00; \
1666 ptr[8] = 'B'; \
1667 ptr[9] = 'I'; \
1668 strcpy(ptr+0xa, FDesc[1 + mcd].name); \
1669 for (j=0; j<127; j++) xor^= ptr[j]; \
1670 ptr[127] = xor; \
1671 FDesc[1 + mcd].mcfile = i; \
1672 SysPrintf("openC %s\n", ptr); \
1673 v0 = 1 + mcd; \
1674 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 128); \
1675 break; \
1676 } \
1677 } \
1678}
1679
1680/*
1681 * int open(char *name , int mode);
1682 */
1683
1684void psxBios_open() { // 0x32
1685 int i;
1686 char *ptr;
1687
1688#ifdef PSXBIOS_LOG
1689 PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
1690#endif
1691
1692 v0 = -1;
1693
1694 if (!strncmp(Ra0, "bu00", 4)) {
1695 buopen(1);
1696 }
1697
1698 if (!strncmp(Ra0, "bu10", 4)) {
1699 buopen(2);
1700 }
1701
1702 pc0 = ra;
1703}
1704
1705/*
1706 * int lseek(int fd , int offset , int whence);
1707 */
1708
1709void psxBios_lseek() { // 0x33
1710#ifdef PSXBIOS_LOG
1711 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
1712#endif
1713
1714 switch (a2) {
1715 case 0: // SEEK_SET
1716 FDesc[a0].offset = a1;
1717 v0 = a1;
1718// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1719// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1720 break;
1721
1722 case 1: // SEEK_CUR
1723 FDesc[a0].offset+= a1;
1724 v0 = FDesc[a0].offset;
1725 break;
1726 }
1727
1728 pc0 = ra;
1729}
1730
1731#define buread(mcd) { \
1732 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); \
1733 ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1734 memcpy(Ra1, ptr, a2); \
1735 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1736 else v0 = a2; \
1737 FDesc[1 + mcd].offset += v0; \
1738 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1739 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
1740}
1741
1742/*
1743 * int read(int fd , void *buf , int nbytes);
1744 */
1745
1746void psxBios_read() { // 0x34
1747 char *ptr;
1748
1749#ifdef PSXBIOS_LOG
1750 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
1751#endif
1752
1753 v0 = -1;
1754
1755 switch (a0) {
1756 case 2: buread(1); break;
1757 case 3: buread(2); break;
1758 }
1759
1760 pc0 = ra;
1761}
1762
1763#define buwrite(mcd) { \
1764 u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1765 SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \
1766 ptr = Mcd##mcd##Data + offset; \
1767 memcpy(ptr, Ra1, a2); \
1768 FDesc[1 + mcd].offset += a2; \
1769 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, offset, a2); \
1770 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1771 else v0 = a2; \
1772 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1773 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
1774}
1775
1776/*
1777 * int write(int fd , void *buf , int nbytes);
1778 */
1779
1780void psxBios_write() { // 0x35/0x03
1781 char *ptr;
1782
1783 if (a0 == 1) { // stdout
1784 char *ptr = Ra1;
1785
1786 while (a2 > 0) {
1787 SysPrintf("%c", *ptr++); a2--;
1788 }
1789 pc0 = ra; return;
1790 }
1791#ifdef PSXBIOS_LOG
1792 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
1793#endif
1794
1795 v0 = -1;
1796
1797 switch (a0) {
1798 case 2: buwrite(1); break;
1799 case 3: buwrite(2); break;
1800 }
1801
1802 pc0 = ra;
1803}
1804
1805/*
1806 * int close(int fd);
1807 */
1808
1809void psxBios_close() { // 0x36
1810#ifdef PSXBIOS_LOG
1811 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
1812#endif
1813
1814 v0 = a0;
1815 pc0 = ra;
1816}
1817
1818void psxBios_putchar() { // 3d
1819 SysPrintf("%c", (char)a0);
1820 pc0 = ra;
1821}
1822
1823void psxBios_puts() { // 3e/3f
808a13bd 1824 SysPrintf("%s", Ra0);
ef79bbde
P		 1825 pc0 = ra;
1826}
1827
1828char ffile[64], *pfile;
1829int nfile;
1830
1831#define bufile(mcd) { \
1832 while (nfile < 16) { \
1833 int match=1; \
1834 \
1835 ptr = Mcd##mcd##Data + 128 * nfile; \
1836 nfile++; \
1837 if ((*ptr & 0xF0) != 0x50) continue; \
1838 ptr+= 0xa; \
1839 if (pfile[0] == 0) { \
1840 strcpy(dir->name, ptr); \
1841 } else for (i=0; i<20; i++) { \
1842 if (pfile[i] == ptr[i]) { \
1843 dir->name[i] = ptr[i]; \
1844 if (ptr[i] == 0) break; else continue; } \
1845 if (pfile[i] == '?') { \
1846 dir->name[i] = ptr[i]; continue; } \
1847 if (pfile[i] == '*') { \
1848 strcpy(dir->name+i, ptr+i); break; } \
1849 match = 0; break; \
1850 } \
1851 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
1852 if (match == 0) continue; \
1853 dir->size = 8192; \
1854 v0 = _dir; \
1855 break; \
1856 } \
1857}
1858
1859/*
1860 * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
1861 */
1862
1863void psxBios_firstfile() { // 42
1864 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
1865 u32 _dir = a1;
1866 char *ptr;
1867 int i;
1868
1869#ifdef PSXBIOS_LOG
1870 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
1871#endif
1872
1873 v0 = 0;
1874
1875 strcpy(ffile, Ra0);
1876 pfile = ffile+5;
1877 nfile = 1;
1878 if (!strncmp(Ra0, "bu00", 4)) {
1879 bufile(1);
190d4915 1880 } else if (!strncmp(Ra0, "bu10", 4)) {
ef79bbde 1881 bufile(2);
ef79bbde
P		 1882 }
1883
66ade381 1884 // firstfile() calls _card_read() internally, so deliver it's event
1885 DeliverEvent(0x11, 0x2);
1886
ef79bbde
P		 1887 pc0 = ra;
1888}
1889
1890/*
1891 * struct DIRENTRY* nextfile(struct DIRENTRY *dir);
1892 */
1893
1894void psxBios_nextfile() { // 43
1895 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
1896 u32 _dir = a0;
1897 char *ptr;
1898 int i;
1899
1900#ifdef PSXBIOS_LOG
1901 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
1902#endif
1903
1904 v0 = 0;
1905
1906 if (!strncmp(ffile, "bu00", 4)) {
1907 bufile(1);
1908 }
1909
1910 if (!strncmp(ffile, "bu10", 4)) {
1911 bufile(2);
1912 }
1913
1914 pc0 = ra;
1915}
1916
1917#define burename(mcd) { \
1918 for (i=1; i<16; i++) { \
1919 int namelen, j, xor = 0; \
1920 ptr = Mcd##mcd##Data + 128 * i; \
1921 if ((*ptr & 0xF0) != 0x50) continue; \
1922 if (strcmp(Ra0+5, ptr+0xa)) continue; \
1923 namelen = strlen(Ra1+5); \
1924 memcpy(ptr+0xa, Ra1+5, namelen); \
1925 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
1926 for (j=0; j<127; j++) xor^= ptr[j]; \
1927 ptr[127] = xor; \
1928 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
1929 v0 = 1; \
1930 break; \
1931 } \
1932}
1933
1934/*
1935 * int rename(char *old, char *new);
1936 */
1937
1938void psxBios_rename() { // 44
1939 char *ptr;
1940 int i;
1941
1942#ifdef PSXBIOS_LOG
1943 PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
1944#endif
1945
1946 v0 = 0;
1947
1948 if (!strncmp(Ra0, "bu00", 4) && !strncmp(Ra1, "bu00", 4)) {
1949 burename(1);
1950 }
1951
1952 if (!strncmp(Ra0, "bu10", 4) && !strncmp(Ra1, "bu10", 4)) {
1953 burename(2);
1954 }
1955
1956 pc0 = ra;
1957}
1958
1959
1960#define budelete(mcd) { \
1961 for (i=1; i<16; i++) { \
1962 ptr = Mcd##mcd##Data + 128 * i; \
1963 if ((*ptr & 0xF0) != 0x50) continue; \
1964 if (strcmp(Ra0+5, ptr+0xa)) continue; \
1965 *ptr = (*ptr & 0xf) | 0xA0; \
1966 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
1967 SysPrintf("delete %s\n", ptr+0xa); \
1968 v0 = 1; \
1969 break; \
1970 } \
1971}
1972
1973/*
1974 * int delete(char *name);
1975 */
1976
1977void psxBios_delete() { // 45
1978 char *ptr;
1979 int i;
1980
1981#ifdef PSXBIOS_LOG
1982 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
1983#endif
1984
1985 v0 = 0;
1986
1987 if (!strncmp(Ra0, "bu00", 4)) {
1988 budelete(1);
1989 }
1990
1991 if (!strncmp(Ra0, "bu10", 4)) {
1992 budelete(2);
1993 }
1994
1995 pc0 = ra;
1996}
1997
1998void psxBios_InitCARD() { // 4a
1999#ifdef PSXBIOS_LOG
2000 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2001#endif
2002
2003 CardState = 0;
2004
2005 pc0 = ra;
2006}
2007
2008void psxBios_StartCARD() { // 4b
2009#ifdef PSXBIOS_LOG
2010 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2011#endif
2012
2013 if (CardState == 0) CardState = 1;
2014
2015 pc0 = ra;
2016}
2017
2018void psxBios_StopCARD() { // 4c
2019#ifdef PSXBIOS_LOG
2020 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2021#endif
2022
2023 if (CardState == 1) CardState = 0;
2024
2025 pc0 = ra;
2026}
2027
2028void psxBios__card_write() { // 0x4e
2029 int port;
2030
2031#ifdef PSXBIOS_LOG
2032 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2033#endif
2034
e9fda093 2035 card_active_chan = a0;
ef79bbde
P		 2036 port = a0 >> 4;
2037
2038 if (port == 0) {
2039 memcpy(Mcd1Data + a1 * 128, Ra2, 128);
2040 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2041 } else {
2042 memcpy(Mcd2Data + a1 * 128, Ra2, 128);
2043 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2044 }
2045
2046 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2047// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2048
2049 v0 = 1; pc0 = ra;
2050}
2051
2052void psxBios__card_read() { // 0x4f
2053 int port;
2054
2055#ifdef PSXBIOS_LOG
2056 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2057#endif
2058
e9fda093 2059 card_active_chan = a0;
ef79bbde
P		 2060 port = a0 >> 4;
2061
2062 if (port == 0) {
2063 memcpy(Ra2, Mcd1Data + a1 * 128, 128);
2064 } else {
2065 memcpy(Ra2, Mcd2Data + a1 * 128, 128);
2066 }
2067
2068 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2069// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2070
2071 v0 = 1; pc0 = ra;
2072}
2073
2074void psxBios__new_card() { // 0x50
2075#ifdef PSXBIOS_LOG
2076 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2077#endif
2078
2079 pc0 = ra;
2080}
2081
2082void psxBios_Krom2RawAdd() { // 0x51
2083 int i = 0;
2084
2085 const u32 table_8140[][2] = {
2086 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2087 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2088 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2089 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2090 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2091 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2092 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2093 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2094 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2095 {0xffff, 0}
2096 };
2097
2098 const u32 table_889f[][2] = {
2099 {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4},
2100 {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304},
2101 {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14},
2102 {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24},
2103 {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734},
2104 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2105 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2106 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2107 {0xffff, 0}
2108 };
2109
2110 if (a0 >= 0x8140 && a0 <= 0x84be) {
2111 while (table_8140[i][0] <= a0) i++;
2112 a0 -= table_8140[i - 1][0];
2113 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2114 } else if (a0 >= 0x889f && a0 <= 0x9872) {
2115 while (table_889f[i][0] <= a0) i++;
2116 a0 -= table_889f[i - 1][0];
2117 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2118 } else {
2119 v0 = 0xffffffff;
2120 }
2121
2122 pc0 = ra;
2123}
2124
2125void psxBios_GetC0Table() { // 56
2126#ifdef PSXBIOS_LOG
2127 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2128#endif
2129
2130 v0 = 0x674; pc0 = ra;
2131}
2132
2133void psxBios_GetB0Table() { // 57
2134#ifdef PSXBIOS_LOG
2135 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2136#endif
2137
2138 v0 = 0x874; pc0 = ra;
2139}
2140
e9fda093 2141void psxBios__card_chan() { // 0x58
2142#ifdef PSXBIOS_LOG
2143 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2144#endif
2145
2146 v0 = card_active_chan;
2147 pc0 = ra;
2148}
2149
ef79bbde
P		 2150void psxBios_ChangeClearPad() { // 5b
2151#ifdef PSXBIOS_LOG
2152 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2153#endif
2154
2155 pc0 = ra;
2156}
2157
2158/* System calls C0 */
2159
2160/*
2161 * int SysEnqIntRP(int index , long *queue);
2162 */
2163
2164void psxBios_SysEnqIntRP() { // 02
2165#ifdef PSXBIOS_LOG
2166 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2167#endif
2168
2169 SysIntRP[a0] = a1;
2170
2171 v0 = 0; pc0 = ra;
2172}
2173
2174/*
2175 * int SysDeqIntRP(int index , long *queue);
2176 */
2177
2178void psxBios_SysDeqIntRP() { // 03
2179#ifdef PSXBIOS_LOG
2180 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2181#endif
2182
2183 SysIntRP[a0] = 0;
2184
2185 v0 = 0; pc0 = ra;
2186}
2187
2188void psxBios_ChangeClearRCnt() { // 0a
2189 u32 *ptr;
2190
2191#ifdef PSXBIOS_LOG
2192 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2193#endif
2194
2195 ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2196 v0 = *ptr;
2197 *ptr = a1;
2198
2199// psxRegs.CP0.n.Status|= 0x404;
2200 pc0 = ra;
2201}
2202
2203void psxBios_dummy() {
2204#ifdef PSXBIOS_LOG
2205 PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2206#endif
2207 pc0 = ra;
2208}
2209
2210void (*biosA0[256])();
2211void (*biosB0[256])();
2212void (*biosC0[256])();
2213
2214#include "sjisfont.h"
2215
2216void psxBiosInit() {
2217 u32 base, size;
2218 u32 *ptr;
2219 int i;
2220 uLongf len;
2221
2222 for(i = 0; i < 256; i++) {
2223 biosA0[i] = NULL;
2224 biosB0[i] = NULL;
2225 biosC0[i] = NULL;
2226 }
2227 biosA0[0x3e] = psxBios_puts;
2228 biosA0[0x3f] = psxBios_printf;
2229
2230 biosB0[0x3d] = psxBios_putchar;
2231 biosB0[0x3f] = psxBios_puts;
2232
2233 if (!Config.HLE) return;
2234
2235 for(i = 0; i < 256; i++) {
2236 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2237 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2238 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2239 }
2240
2241 biosA0[0x00] = psxBios_open;
2242 biosA0[0x01] = psxBios_lseek;
2243 biosA0[0x02] = psxBios_read;
2244 biosA0[0x03] = psxBios_write;
2245 biosA0[0x04] = psxBios_close;
2246 //biosA0[0x05] = psxBios_ioctl;
2247 //biosA0[0x06] = psxBios_exit;
2248 //biosA0[0x07] = psxBios_sys_a0_07;
2249 //biosA0[0x08] = psxBios_getc;
2250 //biosA0[0x09] = psxBios_putc;
2251 //biosA0[0x0a] = psxBios_todigit;
2252 //biosA0[0x0b] = psxBios_atof;
2253 //biosA0[0x0c] = psxBios_strtoul;
2254 //biosA0[0x0d] = psxBios_strtol;
2255 biosA0[0x0e] = psxBios_abs;
2256 biosA0[0x0f] = psxBios_labs;
2257 biosA0[0x10] = psxBios_atoi;
2258 biosA0[0x11] = psxBios_atol;
2259 //biosA0[0x12] = psxBios_atob;
2260 biosA0[0x13] = psxBios_setjmp;
2261 biosA0[0x14] = psxBios_longjmp;
2262 biosA0[0x15] = psxBios_strcat;
2263 biosA0[0x16] = psxBios_strncat;
2264 biosA0[0x17] = psxBios_strcmp;
2265 biosA0[0x18] = psxBios_strncmp;
2266 biosA0[0x19] = psxBios_strcpy;
2267 biosA0[0x1a] = psxBios_strncpy;
2268 biosA0[0x1b] = psxBios_strlen;
2269 biosA0[0x1c] = psxBios_index;
2270 biosA0[0x1d] = psxBios_rindex;
2271 biosA0[0x1e] = psxBios_strchr;
2272 biosA0[0x1f] = psxBios_strrchr;
2273 biosA0[0x20] = psxBios_strpbrk;
2274 biosA0[0x21] = psxBios_strspn;
2275 biosA0[0x22] = psxBios_strcspn;
2276 biosA0[0x23] = psxBios_strtok;
2277 biosA0[0x24] = psxBios_strstr;
2278 biosA0[0x25] = psxBios_toupper;
2279 biosA0[0x26] = psxBios_tolower;
2280 biosA0[0x27] = psxBios_bcopy;
2281 biosA0[0x28] = psxBios_bzero;
2282 biosA0[0x29] = psxBios_bcmp;
2283 biosA0[0x2a] = psxBios_memcpy;
2284 biosA0[0x2b] = psxBios_memset;
2285 biosA0[0x2c] = psxBios_memmove;
2286 biosA0[0x2d] = psxBios_memcmp;
2287 biosA0[0x2e] = psxBios_memchr;
2288 biosA0[0x2f] = psxBios_rand;
2289 biosA0[0x30] = psxBios_srand;
2290 biosA0[0x31] = psxBios_qsort;
2291 //biosA0[0x32] = psxBios_strtod;
2292 biosA0[0x33] = psxBios_malloc;
2293 biosA0[0x34] = psxBios_free;
2294 //biosA0[0x35] = psxBios_lsearch;
2295 //biosA0[0x36] = psxBios_bsearch;
2296 biosA0[0x37] = psxBios_calloc;
2297 biosA0[0x38] = psxBios_realloc;
2298 biosA0[0x39] = psxBios_InitHeap;
2299 //biosA0[0x3a] = psxBios__exit;
2300 biosA0[0x3b] = psxBios_getchar;
2301 biosA0[0x3c] = psxBios_putchar;
2302 //biosA0[0x3d] = psxBios_gets;
2303 //biosA0[0x40] = psxBios_sys_a0_40;
2304 //biosA0[0x41] = psxBios_LoadTest;
2305 biosA0[0x42] = psxBios_Load;
2306 biosA0[0x43] = psxBios_Exec;
2307 biosA0[0x44] = psxBios_FlushCache;
2308 //biosA0[0x45] = psxBios_InstallInterruptHandler;
2309 biosA0[0x46] = psxBios_GPU_dw;
2310 biosA0[0x47] = psxBios_mem2vram;
2311 biosA0[0x48] = psxBios_SendGPU;
2312 biosA0[0x49] = psxBios_GPU_cw;
2313 biosA0[0x4a] = psxBios_GPU_cwb;
2314 biosA0[0x4b] = psxBios_GPU_SendPackets;
2315 biosA0[0x4c] = psxBios_sys_a0_4c;
2316 biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2317 //biosA0[0x4e] = psxBios_GPU_sync;
2318 //biosA0[0x4f] = psxBios_sys_a0_4f;
2319 //biosA0[0x50] = psxBios_sys_a0_50;
2320 biosA0[0x51] = psxBios_LoadExec;
2321 //biosA0[0x52] = psxBios_GetSysSp;
2322 //biosA0[0x53] = psxBios_sys_a0_53;
2323 //biosA0[0x54] = psxBios__96_init_a54;
2324 //biosA0[0x55] = psxBios__bu_init_a55;
2325 //biosA0[0x56] = psxBios__96_remove_a56;
2326 //biosA0[0x57] = psxBios_sys_a0_57;
2327 //biosA0[0x58] = psxBios_sys_a0_58;
2328 //biosA0[0x59] = psxBios_sys_a0_59;
2329 //biosA0[0x5a] = psxBios_sys_a0_5a;
2330 //biosA0[0x5b] = psxBios_dev_tty_init;
2331 //biosA0[0x5c] = psxBios_dev_tty_open;
2332 //biosA0[0x5d] = psxBios_sys_a0_5d;
2333 //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2334 //biosA0[0x5f] = psxBios_dev_cd_open;
2335 //biosA0[0x60] = psxBios_dev_cd_read;
2336 //biosA0[0x61] = psxBios_dev_cd_close;
2337 //biosA0[0x62] = psxBios_dev_cd_firstfile;
2338 //biosA0[0x63] = psxBios_dev_cd_nextfile;
2339 //biosA0[0x64] = psxBios_dev_cd_chdir;
2340 //biosA0[0x65] = psxBios_dev_card_open;
2341 //biosA0[0x66] = psxBios_dev_card_read;
2342 //biosA0[0x67] = psxBios_dev_card_write;
2343 //biosA0[0x68] = psxBios_dev_card_close;
2344 //biosA0[0x69] = psxBios_dev_card_firstfile;
2345 //biosA0[0x6a] = psxBios_dev_card_nextfile;
2346 //biosA0[0x6b] = psxBios_dev_card_erase;
2347 //biosA0[0x6c] = psxBios_dev_card_undelete;
2348 //biosA0[0x6d] = psxBios_dev_card_format;
2349 //biosA0[0x6e] = psxBios_dev_card_rename;
2350 //biosA0[0x6f] = psxBios_dev_card_6f;
2351 biosA0[0x70] = psxBios__bu_init;
2352 biosA0[0x71] = psxBios__96_init;
2353 biosA0[0x72] = psxBios__96_remove;
2354 //biosA0[0x73] = psxBios_sys_a0_73;
2355 //biosA0[0x74] = psxBios_sys_a0_74;
2356 //biosA0[0x75] = psxBios_sys_a0_75;
2357 //biosA0[0x76] = psxBios_sys_a0_76;
2358 //biosA0[0x77] = psxBios_sys_a0_77;
2359 //biosA0[0x78] = psxBios__96_CdSeekL;
2360 //biosA0[0x79] = psxBios_sys_a0_79;
2361 //biosA0[0x7a] = psxBios_sys_a0_7a;
2362 //biosA0[0x7b] = psxBios_sys_a0_7b;
2363 //biosA0[0x7c] = psxBios__96_CdGetStatus;
2364 //biosA0[0x7d] = psxBios_sys_a0_7d;
2365 //biosA0[0x7e] = psxBios__96_CdRead;
2366 //biosA0[0x7f] = psxBios_sys_a0_7f;
2367 //biosA0[0x80] = psxBios_sys_a0_80;
2368 //biosA0[0x81] = psxBios_sys_a0_81;
2369 //biosA0[0x82] = psxBios_sys_a0_82;
2370 //biosA0[0x83] = psxBios_sys_a0_83;
2371 //biosA0[0x84] = psxBios_sys_a0_84;
2372 //biosA0[0x85] = psxBios__96_CdStop;
2373 //biosA0[0x86] = psxBios_sys_a0_86;
2374 //biosA0[0x87] = psxBios_sys_a0_87;
2375 //biosA0[0x88] = psxBios_sys_a0_88;
2376 //biosA0[0x89] = psxBios_sys_a0_89;
2377 //biosA0[0x8a] = psxBios_sys_a0_8a;
2378 //biosA0[0x8b] = psxBios_sys_a0_8b;
2379 //biosA0[0x8c] = psxBios_sys_a0_8c;
2380 //biosA0[0x8d] = psxBios_sys_a0_8d;
2381 //biosA0[0x8e] = psxBios_sys_a0_8e;
2382 //biosA0[0x8f] = psxBios_sys_a0_8f;
2383 //biosA0[0x90] = psxBios_sys_a0_90;
2384 //biosA0[0x91] = psxBios_sys_a0_91;
2385 //biosA0[0x92] = psxBios_sys_a0_92;
2386 //biosA0[0x93] = psxBios_sys_a0_93;
2387 //biosA0[0x94] = psxBios_sys_a0_94;
2388 //biosA0[0x95] = psxBios_sys_a0_95;
2389 //biosA0[0x96] = psxBios_AddCDROMDevice;
2390 //biosA0[0x97] = psxBios_AddMemCardDevide;
2391 //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2392 //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2393 //biosA0[0x9a] = psxBios_sys_a0_9a;
2394 //biosA0[0x9b] = psxBios_sys_a0_9b;
2395 //biosA0[0x9c] = psxBios_SetConf;
2396 //biosA0[0x9d] = psxBios_GetConf;
2397 //biosA0[0x9e] = psxBios_sys_a0_9e;
2398 biosA0[0x9f] = psxBios_SetMem;
2399 //biosA0[0xa0] = psxBios__boot;
2400 //biosA0[0xa1] = psxBios_SystemError;
2401 //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2402 //biosA0[0xa3] = psxBios_DequeueCdIntr;
2403 //biosA0[0xa4] = psxBios_sys_a0_a4;
2404 //biosA0[0xa5] = psxBios_ReadSector;
2405 //biosA0[0xa6] = psxBios_get_cd_status;
2406 //biosA0[0xa7] = psxBios_bufs_cb_0;
2407 //biosA0[0xa8] = psxBios_bufs_cb_1;
2408 //biosA0[0xa9] = psxBios_bufs_cb_2;
2409 //biosA0[0xaa] = psxBios_bufs_cb_3;
2410 biosA0[0xab] = psxBios__card_info;
2411 biosA0[0xac] = psxBios__card_load;
2412 //biosA0[0axd] = psxBios__card_auto;
2413 //biosA0[0xae] = psxBios_bufs_cd_4;
2414 //biosA0[0xaf] = psxBios_sys_a0_af;
2415 //biosA0[0xb0] = psxBios_sys_a0_b0;
2416 //biosA0[0xb1] = psxBios_sys_a0_b1;
2417 //biosA0[0xb2] = psxBios_do_a_long_jmp
2418 //biosA0[0xb3] = psxBios_sys_a0_b3;
2419 //biosA0[0xb4] = psxBios_sub_function;
2420//*******************B0 CALLS****************************
2421 //biosB0[0x00] = psxBios_SysMalloc;
2422 //biosB0[0x01] = psxBios_sys_b0_01;
2423 biosB0[0x02] = psxBios_SetRCnt;
2424 biosB0[0x03] = psxBios_GetRCnt;
2425 biosB0[0x04] = psxBios_StartRCnt;
2426 biosB0[0x05] = psxBios_StopRCnt;
2427 biosB0[0x06] = psxBios_ResetRCnt;
2428 biosB0[0x07] = psxBios_DeliverEvent;
2429 biosB0[0x08] = psxBios_OpenEvent;
2430 biosB0[0x09] = psxBios_CloseEvent;
2431 biosB0[0x0a] = psxBios_WaitEvent;
2432 biosB0[0x0b] = psxBios_TestEvent;
2433 biosB0[0x0c] = psxBios_EnableEvent;
2434 biosB0[0x0d] = psxBios_DisableEvent;
2435 biosB0[0x0e] = psxBios_OpenTh;
2436 biosB0[0x0f] = psxBios_CloseTh;
2437 biosB0[0x10] = psxBios_ChangeTh;
2438 //biosB0[0x11] = psxBios_psxBios_b0_11;
2439 biosB0[0x12] = psxBios_InitPAD;
2440 biosB0[0x13] = psxBios_StartPAD;
2441 biosB0[0x14] = psxBios_StopPAD;
2442 biosB0[0x15] = psxBios_PAD_init;
2443 biosB0[0x16] = psxBios_PAD_dr;
2444 biosB0[0x17] = psxBios_ReturnFromException;
2445 biosB0[0x18] = psxBios_ResetEntryInt;
2446 biosB0[0x19] = psxBios_HookEntryInt;
2447 //biosB0[0x1a] = psxBios_sys_b0_1a;
2448 //biosB0[0x1b] = psxBios_sys_b0_1b;
2449 //biosB0[0x1c] = psxBios_sys_b0_1c;
2450 //biosB0[0x1d] = psxBios_sys_b0_1d;
2451 //biosB0[0x1e] = psxBios_sys_b0_1e;
2452 //biosB0[0x1f] = psxBios_sys_b0_1f;
2453 biosB0[0x20] = psxBios_UnDeliverEvent;
2454 //biosB0[0x21] = psxBios_sys_b0_21;
2455 //biosB0[0x22] = psxBios_sys_b0_22;
2456 //biosB0[0x23] = psxBios_sys_b0_23;
2457 //biosB0[0x24] = psxBios_sys_b0_24;
2458 //biosB0[0x25] = psxBios_sys_b0_25;
2459 //biosB0[0x26] = psxBios_sys_b0_26;
2460 //biosB0[0x27] = psxBios_sys_b0_27;
2461 //biosB0[0x28] = psxBios_sys_b0_28;
2462 //biosB0[0x29] = psxBios_sys_b0_29;
2463 //biosB0[0x2a] = psxBios_sys_b0_2a;
2464 //biosB0[0x2b] = psxBios_sys_b0_2b;
2465 //biosB0[0x2c] = psxBios_sys_b0_2c;
2466 //biosB0[0x2d] = psxBios_sys_b0_2d;
2467 //biosB0[0x2e] = psxBios_sys_b0_2e;
2468 //biosB0[0x2f] = psxBios_sys_b0_2f;
2469 //biosB0[0x30] = psxBios_sys_b0_30;
2470 //biosB0[0x31] = psxBios_sys_b0_31;
2471 biosB0[0x32] = psxBios_open;
2472 biosB0[0x33] = psxBios_lseek;
2473 biosB0[0x34] = psxBios_read;
2474 biosB0[0x35] = psxBios_write;
2475 biosB0[0x36] = psxBios_close;
2476 //biosB0[0x37] = psxBios_ioctl;
2477 //biosB0[0x38] = psxBios_exit;
2478 //biosB0[0x39] = psxBios_sys_b0_39;
2479 //biosB0[0x3a] = psxBios_getc;
2480 //biosB0[0x3b] = psxBios_putc;
2481 biosB0[0x3c] = psxBios_getchar;
2482 //biosB0[0x3e] = psxBios_gets;
2483 //biosB0[0x40] = psxBios_cd;
2484 //biosB0[0x41] = psxBios_format;
2485 biosB0[0x42] = psxBios_firstfile;
2486 biosB0[0x43] = psxBios_nextfile;
2487 biosB0[0x44] = psxBios_rename;
2488 biosB0[0x45] = psxBios_delete;
2489 //biosB0[0x46] = psxBios_undelete;
2490 //biosB0[0x47] = psxBios_AddDevice;
2491 //biosB0[0x48] = psxBios_RemoteDevice;
2492 //biosB0[0x49] = psxBios_PrintInstalledDevices;
2493 biosB0[0x4a] = psxBios_InitCARD;
2494 biosB0[0x4b] = psxBios_StartCARD;
2495 biosB0[0x4c] = psxBios_StopCARD;
2496 //biosB0[0x4d] = psxBios_sys_b0_4d;
2497 biosB0[0x4e] = psxBios__card_write;
2498 biosB0[0x4f] = psxBios__card_read;
2499 biosB0[0x50] = psxBios__new_card;
2500 biosB0[0x51] = psxBios_Krom2RawAdd;
2501 //biosB0[0x52] = psxBios_sys_b0_52;
2502 //biosB0[0x53] = psxBios_sys_b0_53;
2503 //biosB0[0x54] = psxBios__get_errno;
2504 //biosB0[0x55] = psxBios__get_error;
2505 biosB0[0x56] = psxBios_GetC0Table;
2506 biosB0[0x57] = psxBios_GetB0Table;
e9fda093 2507 biosB0[0x58] = psxBios__card_chan;
ef79bbde
P		 2508 //biosB0[0x59] = psxBios_sys_b0_59;
2509 //biosB0[0x5a] = psxBios_sys_b0_5a;
2510 biosB0[0x5b] = psxBios_ChangeClearPad;
2511 //biosB0[0x5c] = psxBios__card_status;
2512 //biosB0[0x5d] = psxBios__card_wait;
2513//*******************C0 CALLS****************************
2514 //biosC0[0x00] = psxBios_InitRCnt;
2515 //biosC0[0x01] = psxBios_InitException;
2516 biosC0[0x02] = psxBios_SysEnqIntRP;
2517 biosC0[0x03] = psxBios_SysDeqIntRP;
2518 //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2519 //biosC0[0x05] = psxBios_get_free_TCB_slot;
2520 //biosC0[0x06] = psxBios_ExceptionHandler;
2521 //biosC0[0x07] = psxBios_InstallExeptionHandler;
2522 //biosC0[0x08] = psxBios_SysInitMemory;
2523 //biosC0[0x09] = psxBios_SysInitKMem;
2524 biosC0[0x0a] = psxBios_ChangeClearRCnt;
2525 //biosC0[0x0b] = psxBios_SystemError;
2526 //biosC0[0x0c] = psxBios_InitDefInt;
2527 //biosC0[0x0d] = psxBios_sys_c0_0d;
2528 //biosC0[0x0e] = psxBios_sys_c0_0e;
2529 //biosC0[0x0f] = psxBios_sys_c0_0f;
2530 //biosC0[0x10] = psxBios_sys_c0_10;
2531 //biosC0[0x11] = psxBios_sys_c0_11;
2532 //biosC0[0x12] = psxBios_InstallDevices;
2533 //biosC0[0x13] = psxBios_FlushStfInOutPut;
2534 //biosC0[0x14] = psxBios_sys_c0_14;
2535 //biosC0[0x15] = psxBios__cdevinput;
2536 //biosC0[0x16] = psxBios__cdevscan;
2537 //biosC0[0x17] = psxBios__circgetc;
2538 //biosC0[0x18] = psxBios__circputc;
2539 //biosC0[0x19] = psxBios_ioabort;
2540 //biosC0[0x1a] = psxBios_sys_c0_1a
2541 //biosC0[0x1b] = psxBios_KernelRedirect;
2542 //biosC0[0x1c] = psxBios_PatchAOTable;
2543//************** THE END ***************************************
2544/**/
2545 base = 0x1000;
2546 size = sizeof(EvCB) * 32;
2547 Event = (void *)&psxR[base]; base += size * 6;
2548 memset(Event, 0, size * 6);
2549 HwEV = Event;
2550 EvEV = Event + 32;
2551 RcEV = Event + 32 * 2;
2552 UeEV = Event + 32 * 3;
2553 SwEV = Event + 32 * 4;
2554 ThEV = Event + 32 * 5;
2555
2556 ptr = (u32 *)&psxM[0x0874]; // b0 table
2557 ptr[0] = SWAPu32(0x4c54 - 0x884);
2558
2559 ptr = (u32 *)&psxM[0x0674]; // c0 table
2560 ptr[6] = SWAPu32(0xc80);
2561
2562 memset(SysIntRP, 0, sizeof(SysIntRP));
2563 memset(Thread, 0, sizeof(Thread));
2564 Thread[0].status = 2; // main thread
2565
c62b43c9 2566 jmp_int = NULL;
2567 pad_buf = NULL;
2568 pad_buf1 = NULL;
2569 pad_buf2 = NULL;
2570 pad_buf1len = pad_buf2len = 0;
2571 heap_addr = NULL;
2572 heap_end = NULL;
2573 CardState = -1;
2574 CurThread = 0;
2575 memset(FDesc, 0, sizeof(FDesc));
2576
ef79bbde
P		 2577 psxMu32ref(0x0150) = SWAPu32(0x160);
2578 psxMu32ref(0x0154) = SWAPu32(0x320);
2579 psxMu32ref(0x0160) = SWAPu32(0x248);
2580 strcpy((char *)&psxM[0x248], "bu");
2581/* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
2582 psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
2583 psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
2584 psxMu32ref(0x09e0) = SWAPu32(0x43d0);
2585 psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
2586*/
2587 // opcode HLE
2588 psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
2589 psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
2590 psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
2591 psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
2592 psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
2593 psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
2594 psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
2595 psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
2596 psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
2597 psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
2598
2599 // initial stack pointer for BIOS interrupt
2600 psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
2601
2602 // initial RNG seed
2603 psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
2604
2605 // fonts
2606 len = 0x80000 - 0x66000;
2607 uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
2608 len = 0x80000 - 0x69d68;
2609 uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
2610
2611 // memory size 2 MB
2612 psxHu32ref(0x1060) = SWAPu32(0x00000b88);
2613
2614 hleSoftCall = FALSE;
2615}
2616
2617void psxBiosShutdown() {
2618}
2619
2620#define psxBios_PADpoll(pad) { \
2621 PAD##pad##_startPoll(pad); \
2622 pad_buf##pad[0] = 0; \
2623 pad_buf##pad[1] = PAD##pad##_poll(0x42); \
2624 if (!(pad_buf##pad[1] & 0x0f)) { \
2625 bufcount = 32; \
2626 } else { \
2627 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
2628 } \
2629 PAD##pad##_poll(0); \
2630 i = 2; \
2631 while (bufcount--) { \
2632 pad_buf##pad[i++] = PAD##pad##_poll(0); \
2633 } \
2634}
2635
2636void biosInterrupt() {
2637 int i, bufcount;
2638
2639// if (psxHu32(0x1070) & 0x1) { // Vsync
2640 if (pad_buf != NULL) {
2641 u32 *buf = (u32*)pad_buf;
2642
2643 if (!Config.UseNet) {
2644 PAD1_startPoll(1);
2645 if (PAD1_poll(0x42) == 0x23) {
2646 PAD1_poll(0);
2647 *buf = PAD1_poll(0) << 8;
2648 *buf |= PAD1_poll(0);
2649 PAD1_poll(0);
2650 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
2651 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
2652 } else {
2653 PAD1_poll(0);
2654 *buf = PAD1_poll(0) << 8;
2655 *buf|= PAD1_poll(0);
2656 }
2657
2658 PAD2_startPoll(2);
2659 if (PAD2_poll(0x42) == 0x23) {
2660 PAD2_poll(0);
2661 *buf |= PAD2_poll(0) << 24;
2662 *buf |= PAD2_poll(0) << 16;
2663 PAD2_poll(0);
2664 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
2665 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
2666 } else {
2667 PAD2_poll(0);
2668 *buf |= PAD2_poll(0) << 24;
2669 *buf |= PAD2_poll(0) << 16;
2670 }
2671 } else {
2672 u16 data;
2673
2674 PAD1_startPoll(1);
2675 PAD1_poll(0x42);
2676 PAD1_poll(0);
2677 data = PAD1_poll(0) << 8;
2678 data |= PAD1_poll(0);
2679
2680 if (NET_sendPadData(&data, 2) == -1)
2681 netError();
2682
2683 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
2684 netError();
2685 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
2686 netError();
2687 }
2688 }
2689 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
2690 psxBios_PADpoll(1);
2691
2692 if (NET_sendPadData(pad_buf1, i) == -1)
2693 netError();
2694
2695 if (NET_recvPadData(pad_buf1, 1) == -1)
2696 netError();
2697 if (NET_recvPadData(pad_buf2, 2) == -1)
2698 netError();
2699 } else {
2700 if (pad_buf1) {
2701 psxBios_PADpoll(1);
2702 }
2703
2704 if (pad_buf2) {
2705 psxBios_PADpoll(2);
2706 }
2707 }
2708
2709 if (psxHu32(0x1070) & 0x1) { // Vsync
2710 if (RcEV[3][1].status == EvStACTIVE) {
2711 softCall(RcEV[3][1].fhandler);
2712// hwWrite32(0x1f801070, ~(1));
2713 }
2714 }
2715
2716 if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
2717 int i;
2718
2719 for (i = 0; i < 3; i++) {
2720 if (psxHu32(0x1070) & (1 << (i + 4))) {
2721 if (RcEV[i][1].status == EvStACTIVE) {
2722 softCall(RcEV[i][1].fhandler);
2723 }
2724 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
2725 }
2726 }
2727 }
2728}
2729
2730void psxBiosException() {
2731 int i;
2732
2733 switch (psxRegs.CP0.n.Cause & 0x3c) {
2734 case 0x00: // Interrupt
2735#ifdef PSXCPU_LOG
2736// PSXCPU_LOG("interrupt\n");
2737#endif
2738 SaveRegs();
2739
2740 sp = psxMu32(0x6c80); // create new stack for interrupt handlers
2741
2742 biosInterrupt();
2743
2744 for (i = 0; i < 8; i++) {
2745 if (SysIntRP[i]) {
2746 u32 *queue = (u32 *)PSXM(SysIntRP[i]);
2747
2748 s0 = queue[2];
2749 softCall(queue[1]);
2750 }
2751 }
2752
2753 if (jmp_int != NULL) {
2754 int i;
2755
2756 psxHwWrite32(0x1f801070, 0xffffffff);
2757
2758 ra = jmp_int[0];
2759 sp = jmp_int[1];
2760 fp = jmp_int[2];
2761 for (i = 0; i < 8; i++) // s0-s7
2762 psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
2763 gp = jmp_int[11];
2764
2765 v0 = 1;
2766 pc0 = ra;
2767 return;
2768 }
2769 psxHwWrite16(0x1f801070, 0);
2770 break;
2771
2772 case 0x20: // Syscall
2773#ifdef PSXCPU_LOG
2774 PSXCPU_LOG("syscall exp %x\n", a0);
2775#endif
2776 switch (a0) {
2777 case 1: // EnterCritical - disable irq's
2778 psxRegs.CP0.n.Status &= ~0x404;
2779v0=1; // HDHOSHY experimental patch: Spongebob, Coldblood, fearEffect, Medievil2, Martian Gothic
2780 break;
2781
2782 case 2: // ExitCritical - enable irq's
2783 psxRegs.CP0.n.Status |= 0x404;
2784 break;
2785 }
2786 pc0 = psxRegs.CP0.n.EPC + 4;
2787
2788 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2789 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2790 return;
2791
2792 default:
2793#ifdef PSXCPU_LOG
2794 PSXCPU_LOG("unknown bios exception!\n");
2795#endif
2796 break;
2797 }
2798
2799 pc0 = psxRegs.CP0.n.EPC;
2800 if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
2801
2802 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2803 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2804}
2805
2806#define bfreeze(ptr, size) { \
2807 if (Mode == 1) memcpy(&psxR[base], ptr, size); \
2808 if (Mode == 0) memcpy(ptr, &psxR[base], size); \
2809 base += size; \
2810}
2811
2812#define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
2813#define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
2814
2815#define bfreezepsxMptr(ptr, type) { \
2816 if (Mode == 1) { \
2817 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
2818 else psxRu32ref(base) = 0; \
2819 } else { \
2820 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
2821 else (ptr) = NULL; \
2822 } \
2823 base += sizeof(u32); \
2824}
2825
2826void psxBiosFreeze(int Mode) {
2827 u32 base = 0x40000;
2828
2829 bfreezepsxMptr(jmp_int, u32);
2830 bfreezepsxMptr(pad_buf, int);
2831 bfreezepsxMptr(pad_buf1, char);
2832 bfreezepsxMptr(pad_buf2, char);
2833 bfreezepsxMptr(heap_addr, u32);
2834 bfreezel(&pad_buf1len);
2835 bfreezel(&pad_buf2len);
2836 bfreezes(regs);
2837 bfreezes(SysIntRP);
2838 bfreezel(&CardState);
2839 bfreezes(Thread);
2840 bfreezel(&CurThread);
2841 bfreezes(FDesc);
e9fda093 2842 bfreezel(&card_active_chan);
ef79bbde 2843}
ARM optimized PCSX fork