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