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