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pcsxr-1.9.92
[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
29char *biosA0n[256] = {
30// 0x00
31 "open", "lseek", "read", "write",
32 "close", "ioctl", "exit", "sys_a0_07",
33 "getc", "putc", "todigit", "atof",
34 "strtoul", "strtol", "abs", "labs",
35// 0x10
36 "atoi", "atol", "atob", "setjmp",
37 "longjmp", "strcat", "strncat", "strcmp",
38 "strncmp", "strcpy", "strncpy", "strlen",
39 "index", "rindex", "strchr", "strrchr",
40// 0x20
41 "strpbrk", "strspn", "strcspn", "strtok",
42 "strstr", "toupper", "tolower", "bcopy",
43 "bzero", "bcmp", "memcpy", "memset",
44 "memmove", "memcmp", "memchr", "rand",
45// 0x30
46 "srand", "qsort", "strtod", "malloc",
47 "free", "lsearch", "bsearch", "calloc",
48 "realloc", "InitHeap", "_exit", "getchar",
49 "putchar", "gets", "puts", "printf",
50// 0x40
51 "sys_a0_40", "LoadTest", "Load", "Exec",
52 "FlushCache", "InstallInterruptHandler", "GPU_dw", "mem2vram",
53 "SendGPUStatus", "GPU_cw", "GPU_cwb", "SendPackets",
54 "sys_a0_4c", "GetGPUStatus", "GPU_sync", "sys_a0_4f",
55// 0x50
56 "sys_a0_50", "LoadExec", "GetSysSp", "sys_a0_53",
57 "_96_init()", "_bu_init()", "_96_remove()", "sys_a0_57",
58 "sys_a0_58", "sys_a0_59", "sys_a0_5a", "dev_tty_init",
59 "dev_tty_open", "sys_a0_5d", "dev_tty_ioctl","dev_cd_open",
60// 0x60
61 "dev_cd_read", "dev_cd_close", "dev_cd_firstfile", "dev_cd_nextfile",
62 "dev_cd_chdir", "dev_card_open", "dev_card_read", "dev_card_write",
63 "dev_card_close", "dev_card_firstfile", "dev_card_nextfile","dev_card_erase",
64 "dev_card_undelete","dev_card_format", "dev_card_rename", "dev_card_6f",
65// 0x70
66 "_bu_init", "_96_init", "_96_remove", "sys_a0_73",
67 "sys_a0_74", "sys_a0_75", "sys_a0_76", "sys_a0_77",
68 "_96_CdSeekL", "sys_a0_79", "sys_a0_7a", "sys_a0_7b",
69 "_96_CdGetStatus", "sys_a0_7d", "_96_CdRead", "sys_a0_7f",
70// 0x80
71 "sys_a0_80", "sys_a0_81", "sys_a0_82", "sys_a0_83",
72 "sys_a0_84", "_96_CdStop", "sys_a0_86", "sys_a0_87",
73 "sys_a0_88", "sys_a0_89", "sys_a0_8a", "sys_a0_8b",
74 "sys_a0_8c", "sys_a0_8d", "sys_a0_8e", "sys_a0_8f",
75// 0x90
76 "sys_a0_90", "sys_a0_91", "sys_a0_92", "sys_a0_93",
77 "sys_a0_94", "sys_a0_95", "AddCDROMDevice", "AddMemCardDevide",
78 "DisableKernelIORedirection", "EnableKernelIORedirection", "sys_a0_9a", "sys_a0_9b",
79 "SetConf", "GetConf", "sys_a0_9e", "SetMem",
80// 0xa0
81 "_boot", "SystemError", "EnqueueCdIntr", "DequeueCdIntr",
82 "sys_a0_a4", "ReadSector", "get_cd_status", "bufs_cb_0",
83 "bufs_cb_1", "bufs_cb_2", "bufs_cb_3", "_card_info",
84 "_card_load", "_card_auto", "bufs_cd_4", "sys_a0_af",
85// 0xb0
86 "sys_a0_b0", "sys_a0_b1", "do_a_long_jmp", "sys_a0_b3",
87 "?? sub_function",
88};
89
90char *biosB0n[256] = {
91// 0x00
92 "SysMalloc", "sys_b0_01", "sys_b0_02", "sys_b0_03",
93 "sys_b0_04", "sys_b0_05", "sys_b0_06", "DeliverEvent",
94 "OpenEvent", "CloseEvent", "WaitEvent", "TestEvent",
95 "EnableEvent", "DisableEvent", "OpenTh", "CloseTh",
96// 0x10
97 "ChangeTh", "sys_b0_11", "InitPAD", "StartPAD",
98 "StopPAD", "PAD_init", "PAD_dr", "ReturnFromExecption",
99 "ResetEntryInt", "HookEntryInt", "sys_b0_1a", "sys_b0_1b",
100 "sys_b0_1c", "sys_b0_1d", "sys_b0_1e", "sys_b0_1f",
101// 0x20
102 "UnDeliverEvent", "sys_b0_21", "sys_b0_22", "sys_b0_23",
103 "sys_b0_24", "sys_b0_25", "sys_b0_26", "sys_b0_27",
104 "sys_b0_28", "sys_b0_29", "sys_b0_2a", "sys_b0_2b",
105 "sys_b0_2c", "sys_b0_2d", "sys_b0_2e", "sys_b0_2f",
106// 0x30
107 "sys_b0_30", "sys_b0_31", "open", "lseek",
108 "read", "write", "close", "ioctl",
109 "exit", "sys_b0_39", "getc", "putc",
110 "getchar", "putchar", "gets", "puts",
111// 0x40
112 "cd", "format", "firstfile", "nextfile",
113 "rename", "delete", "undelete", "AddDevice",
114 "RemoteDevice", "PrintInstalledDevices", "InitCARD", "StartCARD",
115 "StopCARD", "sys_b0_4d", "_card_write", "_card_read",
116// 0x50
117 "_new_card", "Krom2RawAdd", "sys_b0_52", "sys_b0_53",
118 "_get_errno", "_get_error", "GetC0Table", "GetB0Table",
119 "_card_chan", "sys_b0_59", "sys_b0_5a", "ChangeClearPAD",
120 "_card_status", "_card_wait",
121};
122
123char *biosC0n[256] = {
124// 0x00
125 "InitRCnt", "InitException", "SysEnqIntRP", "SysDeqIntRP",
126 "get_free_EvCB_slot", "get_free_TCB_slot", "ExceptionHandler", "InstallExeptionHandler",
127 "SysInitMemory", "SysInitKMem", "ChangeClearRCnt", "SystemError",
128 "InitDefInt", "sys_c0_0d", "sys_c0_0e", "sys_c0_0f",
129// 0x10
130 "sys_c0_10", "sys_c0_11", "InstallDevices", "FlushStfInOutPut",
131 "sys_c0_14", "_cdevinput", "_cdevscan", "_circgetc",
132 "_circputc", "ioabort", "sys_c0_1a", "KernelRedirect",
133 "PatchAOTable",
134};
135
136//#define r0 (psxRegs.GPR.n.r0)
137#define at (psxRegs.GPR.n.at)
138#define v0 (psxRegs.GPR.n.v0)
139#define v1 (psxRegs.GPR.n.v1)
140#define a0 (psxRegs.GPR.n.a0)
141#define a1 (psxRegs.GPR.n.a1)
142#define a2 (psxRegs.GPR.n.a2)
143#define a3 (psxRegs.GPR.n.a3)
144#define t0 (psxRegs.GPR.n.t0)
145#define t1 (psxRegs.GPR.n.t1)
146#define t2 (psxRegs.GPR.n.t2)
147#define t3 (psxRegs.GPR.n.t3)
148#define t4 (psxRegs.GPR.n.t4)
149#define t5 (psxRegs.GPR.n.t5)
150#define t6 (psxRegs.GPR.n.t6)
151#define t7 (psxRegs.GPR.n.t7)
152#define t8 (psxRegs.GPR.n.t8)
153#define t9 (psxRegs.GPR.n.t9)
154#define s0 (psxRegs.GPR.n.s0)
155#define s1 (psxRegs.GPR.n.s1)
156#define s2 (psxRegs.GPR.n.s2)
157#define s3 (psxRegs.GPR.n.s3)
158#define s4 (psxRegs.GPR.n.s4)
159#define s5 (psxRegs.GPR.n.s5)
160#define s6 (psxRegs.GPR.n.s6)
161#define s7 (psxRegs.GPR.n.s7)
162#define k0 (psxRegs.GPR.n.k0)
163#define k1 (psxRegs.GPR.n.k1)
164#define gp (psxRegs.GPR.n.gp)
165#define sp (psxRegs.GPR.n.sp)
166#define fp (psxRegs.GPR.n.s8)
167#define ra (psxRegs.GPR.n.ra)
168#define pc0 (psxRegs.pc)
169
170#define Ra0 ((char *)PSXM(a0))
171#define Ra1 ((char *)PSXM(a1))
172#define Ra2 ((char *)PSXM(a2))
173#define Ra3 ((char *)PSXM(a3))
174#define Rv0 ((char *)PSXM(v0))
175#define Rsp ((char *)PSXM(sp))
176
177typedef struct {
178 u32 desc;
179 s32 status;
180 s32 mode;
181 u32 fhandler;
182} EvCB[32];
183
184#define EvStUNUSED 0x0000
185#define EvStWAIT 0x1000
186#define EvStACTIVE 0x2000
187#define EvStALREADY 0x4000
188
189#define EvMdINTR 0x1000
190#define EvMdNOINTR 0x2000
191
192/*
193typedef struct {
194 s32 next;
195 s32 func1;
196 s32 func2;
197 s32 pad;
198} SysRPst;
199*/
200
201typedef struct {
202 s32 status;
203 s32 mode;
204 u32 reg[32];
205 u32 func;
206} TCB;
207
208typedef struct {
209 u32 _pc0;
210 u32 gp0;
211 u32 t_addr;
212 u32 t_size;
213 u32 d_addr;
214 u32 d_size;
215 u32 b_addr;
216 u32 b_size;
217 u32 S_addr;
218 u32 s_size;
219 u32 _sp, _fp, _gp, ret, base;
220} EXEC;
221
222struct DIRENTRY {
223 char name[20];
224 s32 attr;
225 s32 size;
226 u32 next;
227 s32 head;
228 char system[4];
229};
230
231typedef struct {
232 char name[32];
233 u32 mode;
234 u32 offset;
235 u32 size;
236 u32 mcfile;
237} FileDesc;
238
239static u32 *jmp_int = NULL;
240static int *pad_buf = NULL;
241static char *pad_buf1 = NULL, *pad_buf2 = NULL;
242static int pad_buf1len, pad_buf2len;
243
244static u32 regs[35];
245static EvCB *Event;
246static EvCB *HwEV; // 0xf0
247static EvCB *EvEV; // 0xf1
248static EvCB *RcEV; // 0xf2
249static EvCB *UeEV; // 0xf3
250static EvCB *SwEV; // 0xf4
251static EvCB *ThEV; // 0xff
252static u32 *heap_addr = NULL;
253static u32 *heap_end = NULL;
254static u32 SysIntRP[8];
255static int CardState = -1;
256static TCB Thread[8];
257static int CurThread = 0;
258static FileDesc FDesc[32];
259
260boolean hleSoftCall = FALSE;
261
262static inline void softCall(u32 pc) {
263 pc0 = pc;
264 ra = 0x80001000;
265
266 hleSoftCall = TRUE;
267
268 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
269
270 hleSoftCall = FALSE;
271}
272
273static inline void softCall2(u32 pc) {
274 u32 sra = ra;
275 pc0 = pc;
276 ra = 0x80001000;
277
278 hleSoftCall = TRUE;
279
280 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
281 ra = sra;
282
283 hleSoftCall = FALSE;
284}
285
286static inline void DeliverEvent(u32 ev, u32 spec) {
287 if (Event[ev][spec].status != EvStACTIVE) return;
288
289// Event[ev][spec].status = EvStALREADY;
290 if (Event[ev][spec].mode == EvMdINTR) {
291 softCall2(Event[ev][spec].fhandler);
292 } else Event[ev][spec].status = EvStALREADY;
293}
294
295static inline void SaveRegs() {
296 memcpy(regs, psxRegs.GPR.r, 32*4);
297 regs[32] = psxRegs.GPR.n.lo;
298 regs[33] = psxRegs.GPR.n.hi;
299 regs[34] = psxRegs.pc;
300}
301
302static inline void LoadRegs() {
303 memcpy(psxRegs.GPR.r, regs, 32*4);
304 psxRegs.GPR.n.lo = regs[32];
305 psxRegs.GPR.n.hi = regs[33];
306}
307
308/* *
309// *
310// *
311// System calls A0 */
312
313
314void psxBios_abs() { // 0x0e
315 if ((s32)a0 < 0) v0 = -(s32)a0;
316 else v0 = a0;
317 pc0 = ra;
318}
319
320void psxBios_labs() { // 0x0f
321 psxBios_abs();
322}
323
324void psxBios_atoi() { // 0x10
325 s32 n = 0, f = 0;
326 char *p = (char *)Ra0;
327
328 for (;;p++) {
329 switch (*p) {
330 case ' ': case '\t': continue;
331 case '-': f++;
332 case '+': p++;
333 }
334 break;
335 }
336
337 while (*p >= '0' && *p <= '9') {
338 n = n * 10 + *p++ - '0';
339 }
340
341 v0 = (f ? -n : n);
342 pc0 = ra;
343}
344
345void psxBios_atol() { // 0x11
346 psxBios_atoi();
347}
348
349void psxBios_setjmp() { // 0x13
350 u32 *jmp_buf = (u32 *)Ra0;
351 int i;
352
353#ifdef PSXBIOS_LOG
354 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]);
355#endif
356
357 jmp_buf[0] = ra;
358 jmp_buf[1] = sp;
359 jmp_buf[2] = fp;
360 for (i = 0; i < 8; i++) // s0-s7
361 jmp_buf[3 + i] = psxRegs.GPR.r[16 + i];
362 jmp_buf[11] = gp;
363
364 v0 = 0; pc0 = ra;
365}
366
367void psxBios_longjmp() { // 0x14
368 u32 *jmp_buf = (u32 *)Ra0;
369 int i;
370
371#ifdef PSXBIOS_LOG
372 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]);
373#endif
374
375 ra = jmp_buf[0]; /* ra */
376 sp = jmp_buf[1]; /* sp */
377 fp = jmp_buf[2]; /* fp */
378 for (i = 0; i < 8; i++) // s0-s7
379 psxRegs.GPR.r[16 + i] = jmp_buf[3 + i];
380 gp = jmp_buf[11]; /* gp */
381
382 v0 = a1; pc0 = ra;
383}
384
385void psxBios_strcat() { // 0x15
386 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
387
388#ifdef PSXBIOS_LOG
389 PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1);
390#endif
391
392 while (*p1++);
393 --p1;
394 while ((*p1++ = *p2++) != '\0');
395
396 v0 = a0; pc0 = ra;
397}
398
399void psxBios_strncat() { // 0x16
400 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
401 s32 n = a2;
402
403#ifdef PSXBIOS_LOG
404 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2);
405#endif
406
407 while (*p1++);
408 --p1;
409 while ((*p1++ = *p2++) != '\0') {
410 if (--n < 0) {
411 *--p1 = '\0';
412 break;
413 }
414 }
415
416 v0 = a0; pc0 = ra;
417}
418
419void psxBios_strcmp() { // 0x17
420 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
421
422#ifdef PSXBIOS_LOG
423 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1);
424#endif
425
426 while (*p1 == *p2++) {
427 if (*p1++ == '\0') {
428 v0 = 0;
429 pc0 = ra;
430 return;
431 }
432 }
433
434 v0 = (*p1 - *--p2);
435 pc0 = ra;
436}
437
438void psxBios_strncmp() { // 0x18
439 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
440 s32 n = a2;
441
442#ifdef PSXBIOS_LOG
443 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2);
444#endif
445
446 while (--n >= 0 && *p1 == *p2++) {
447 if (*p1++ == '\0') {
448 v0 = 0;
449 pc0 = ra;
450 return;
451 }
452 }
453
454 v0 = (n < 0 ? 0 : *p1 - *--p2);
455 pc0 = ra;
456}
457
458void psxBios_strcpy() { // 0x19
459 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
460 while ((*p1++ = *p2++) != '\0');
461
462 v0 = a0; pc0 = ra;
463}
464
465void psxBios_strncpy() { // 0x1a
466 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
467 s32 n = a2, i;
468
469 for (i = 0; i < n; i++) {
470 if ((*p1++ = *p2++) == '\0') {
471 while (++i < n) {
472 *p1++ = '\0';
473 }
474 v0 = a0; pc0 = ra;
475 return;
476 }
477 }
478
479 v0 = a0; pc0 = ra;
480}
481
482void psxBios_strlen() { // 0x1b
483 char *p = (char *)Ra0;
484 v0 = 0;
485 while (*p++) v0++;
486 pc0 = ra;
487}
488
489void psxBios_index() { // 0x1c
490 char *p = (char *)Ra0;
491
492 do {
493 if (*p == a1) {
494 v0 = a0 + (p - (char *)Ra0);
495 pc0 = ra;
496 return;
497 }
498 } while (*p++ != '\0');
499
500 v0 = 0; pc0 = ra;
501}
502
503void psxBios_rindex() { // 0x1d
504 char *p = (char *)Ra0;
505
506 v0 = 0;
507
508 do {
509 if (*p == a1)
510 v0 = a0 + (p - (char *)Ra0);
511 } while (*p++ != '\0');
512
513 pc0 = ra;
514}
515
516void psxBios_strchr() { // 0x1e
517 psxBios_index();
518}
519
520void psxBios_strrchr() { // 0x1f
521 psxBios_rindex();
522}
523
524void psxBios_strpbrk() { // 0x20
525 char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc;
526
527 while ((c = *p1++) != '\0') {
528 for (scanp = p2; (sc = *scanp++) != '\0';) {
529 if (sc == c) {
530 v0 = a0 + (p1 - 1 - (char *)Ra0);
531 pc0 = ra;
532 return;
533 }
534 }
535 }
536
537 // BUG: return a0 instead of NULL if not found
538 v0 = a0; pc0 = ra;
539}
540
541void psxBios_strspn() { // 0x21
542 char *p1, *p2;
543
544 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
545 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
546 if (*p2 == '\0') break;
547 }
548
549 v0 = p1 - (char *)Ra0; pc0 = ra;
550}
551
552void psxBios_strcspn() { // 0x22
553 char *p1, *p2;
554
555 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
556 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
557 if (*p2 != '\0') break;
558 }
559
560 v0 = p1 - (char *)Ra0; pc0 = ra;
561}
562
563void psxBios_strtok() { // 0x23
564 char *pcA0 = (char *)Ra0;
565 char *pcRet = strtok(pcA0, (char *)Ra1);
566 if (pcRet)
567 v0 = a0 + pcRet - pcA0;
568 else
569 v0 = 0;
570 pc0 = ra;
571}
572
573void psxBios_strstr() { // 0x24
574 char *p = (char *)Ra0, *p1, *p2;
575
576 while (*p != '\0') {
577 p1 = p;
578 p2 = (char *)Ra1;
579
580 while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) {
581 p1++; p2++;
582 }
583
584 if (*p2 == '\0') {
585 v0 = a0 + (p - (char *)Ra0);
586 pc0 = ra;
587 return;
588 }
589
590 p++;
591 }
592
593 v0 = 0; pc0 = ra;
594}
595
596void psxBios_toupper() { // 0x25
597 v0 = (s8)(a0 & 0xff);
598 if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A';
599 pc0 = ra;
600}
601
602void psxBios_tolower() { // 0x26
603 v0 = (s8)(a0 & 0xff);
604 if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A';
605 pc0 = ra;
606}
607
608void psxBios_bcopy() { // 0x27
609 char *p1 = (char *)Ra1, *p2 = (char *)Ra0;
610 while (a2-- > 0) *p1++ = *p2++;
611
612 pc0 = ra;
613}
614
615void psxBios_bzero() { // 0x28
616 char *p = (char *)Ra0;
617 while (a1-- > 0) *p++ = '\0';
618
619 pc0 = ra;
620}
621
622void psxBios_bcmp() { // 0x29
623 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
624
625 if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; }
626
627 while (a2-- > 0) {
628 if (*p1++ != *p2++) {
629 v0 = *p1 - *p2; // BUG: compare the NEXT byte
630 pc0 = ra;
631 return;
632 }
633 }
634
635 v0 = 0; pc0 = ra;
636}
637
638void psxBios_memcpy() { // 0x2a
639 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
640 while (a2-- > 0) *p1++ = *p2++;
641
642 v0 = a0; pc0 = ra;
643}
644
645void psxBios_memset() { // 0x2b
646 char *p = (char *)Ra0;
647 while (a2-- > 0) *p++ = (char)a1;
648
649 v0 = a0; pc0 = ra;
650}
651
652void psxBios_memmove() { // 0x2c
653 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
654
655 if (p2 <= p1 && p2 + a2 > p1) {
656 a2++; // BUG: copy one more byte here
657 p1 += a2;
658 p2 += a2;
659 while (a2-- > 0) *--p1 = *--p2;
660 } else {
661 while (a2-- > 0) *p1++ = *p2++;
662 }
663
664 v0 = a0; pc0 = ra;
665}
666
667void psxBios_memcmp() { // 0x2d
668 psxBios_bcmp();
669}
670
671void psxBios_memchr() { // 0x2e
672 char *p = (char *)Ra0;
673
674 while (a2-- > 0) {
675 if (*p++ != (s8)a1) continue;
676 v0 = a0 + (p - (char *)Ra0 - 1);
677 pc0 = ra;
678 return;
679 }
680
681 v0 = 0; pc0 = ra;
682}
683
684void psxBios_rand() { // 0x2f
685 u32 s = psxMu32(0x9010) * 1103515245 + 12345;
686 v0 = (s >> 16) & 0x7fff;
687 psxMu32ref(0x9010) = SWAPu32(s);
688 pc0 = ra;
689}
690
691void psxBios_srand() { // 0x30
692 psxMu32ref(0x9010) = SWAPu32(a0);
693 pc0 = ra;
694}
695
696static u32 qscmpfunc, qswidth;
697
698static inline int qscmp(char *a, char *b) {
699 u32 sa0 = a0;
700
701 a0 = sa0 + (a - (char *)PSXM(sa0));
702 a1 = sa0 + (b - (char *)PSXM(sa0));
703
704 softCall2(qscmpfunc);
705
706 a0 = sa0;
707 return (s32)v0;
708}
709
710static inline void qexchange(char *i, char *j) {
711 char t;
712 int n = qswidth;
713
714 do {
715 t = *i;
716 *i++ = *j;
717 *j++ = t;
718 } while (--n);
719}
720
721static inline void q3exchange(char *i, char *j, char *k) {
722 char t;
723 int n = qswidth;
724
725 do {
726 t = *i;
727 *i++ = *k;
728 *k++ = *j;
729 *j++ = t;
730 } while (--n);
731}
732
733static void qsort_main(char *a, char *l) {
734 char *i, *j, *lp, *hp;
735 int c;
736 unsigned int n;
737
738start:
739 if ((n = l - a) <= qswidth)
740 return;
741 n = qswidth * (n / (2 * qswidth));
742 hp = lp = a + n;
743 i = a;
744 j = l - qswidth;
745 while (TRUE) {
746 if (i < lp) {
747 if ((c = qscmp(i, lp)) == 0) {
748 qexchange(i, lp -= qswidth);
749 continue;
750 }
751 if (c < 0) {
752 i += qswidth;
753 continue;
754 }
755 }
756
757loop:
758 if (j > hp) {
759 if ((c = qscmp(hp, j)) == 0) {
760 qexchange(hp += qswidth, j);
761 goto loop;
762 }
763 if (c > 0) {
764 if (i == lp) {
765 q3exchange(i, hp += qswidth, j);
766 i = lp += qswidth;
767 goto loop;
768 }
769 qexchange(i, j);
770 j -= qswidth;
771 i += qswidth;
772 continue;
773 }
774 j -= qswidth;
775 goto loop;
776 }
777
778 if (i == lp) {
779 if (lp - a >= l - hp) {
780 qsort_main(hp + qswidth, l);
781 l = lp;
782 } else {
783 qsort_main(a, lp);
784 a = hp + qswidth;
785 }
786 goto start;
787 }
788
789 q3exchange(j, lp -= qswidth, i);
790 j = hp -= qswidth;
791 }
792}
793
794void psxBios_qsort() { // 0x31
795 qswidth = a2;
796 qscmpfunc = a3;
797 qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
798
799 pc0 = ra;
800}
801
802void psxBios_malloc() { // 0x33
803 unsigned int *chunk, *newchunk;
804 unsigned int dsize, csize, cstat;
805 int colflag;
806#ifdef PSXBIOS_LOG
807 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
808#endif
809
810 // scan through heap and combine free chunks of space
811 chunk = heap_addr;
812 colflag = 0;
813 while(chunk < heap_end) {
814 // get size and status of actual chunk
815 csize = ((u32)*chunk) & 0xfffffffc;
816 cstat = ((u32)*chunk) & 1;
817
818 // it's a free chunk
819 if(cstat == 1) {
820 if(colflag == 0) {
821 newchunk = chunk;
822 dsize = csize;
823 colflag = 1; // let's begin a new collection of free memory
824 }
825 else dsize += (csize+4); // add the new size including header
826 }
827 // not a free chunk: did we start a collection ?
828 else {
829 if(colflag == 1) { // collection is over
830 colflag = 0;
831 *newchunk = SWAP32(dsize | 1);
832 }
833 }
834
835 // next chunk
836 chunk = (u32*)((uptr)chunk + csize + 4);
837 }
838 // if neccessary free memory on end of heap
839 if (colflag == 1)
840 *newchunk = SWAP32(dsize | 1);
841
842 chunk = heap_addr;
843 csize = ((u32)*chunk) & 0xfffffffc;
844 cstat = ((u32)*chunk) & 1;
845 dsize = (a0 + 3) & 0xfffffffc;
846
847 // exit on uninitialized heap
848 if (chunk == NULL) {
849 SysPrintf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
850 v0 = 0;
851 pc0 = ra;
852 return;
853 }
854
855 // search an unused chunk that is big enough until the end of the heap
856 while ((dsize > csize || cstat == 0) && chunk < heap_end ) {
857 chunk = (u32*)((uptr)chunk + csize + 4);
858 csize = ((u32)*chunk) & 0xfffffffc;
859 cstat = ((u32)*chunk) & 1;
860 }
861
862 // catch out of memory
863 if(chunk >= heap_end) { SysPrintf("malloc %x,%x: Out of memory error!\n", v0, a0); v0 = 0; pc0 = ra; return; }
864
865 // allocate memory
866 if(dsize == csize) {
867 // chunk has same size
868 *chunk &= 0xfffffffc;
869 }
870 else {
871 // split free chunk
872 *chunk = SWAP32(dsize);
873 newchunk = (u32*)((uptr)chunk + dsize + 4);
874 *newchunk = SWAP32((csize - dsize - 4) & 0xfffffffc | 1);
875 }
876
877 // return pointer to allocated memory
878 v0 = ((unsigned long)chunk - (unsigned long)psxM) + 4;
879 v0|= 0x80000000;
880 SysPrintf ("malloc %x,%x\n", v0, a0);
881 pc0 = ra;
882}
883
884void psxBios_free() { // 0x34
885
886#ifdef PSXBIOS_LOG
887 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
888#endif
889
890 SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
891
892 *(u32*)(Ra0-4) |= 1; // set chunk to free
893 pc0 = ra;
894}
895
896void psxBios_calloc() { // 0x37
897#ifdef PSXBIOS_LOG
898 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
899#endif
900
901 a0 = a0 * a1;
902 psxBios_malloc();
903 memset(Rv0, 0, a0);
904}
905
906void psxBios_realloc() { // 0x38
907 u32 block = a0;
908 u32 size = a1;
909#ifdef PSXBIOS_LOG
910 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
911#endif
912
913 a0 = block;
914 psxBios_free();
915 a0 = size;
916 psxBios_malloc();
917}
918
919
920/* InitHeap(void *block , int n) */
921void psxBios_InitHeap() { // 0x39
922 unsigned int size;
923
924#ifdef PSXBIOS_LOG
925 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
926#endif
927
928 if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
929 else size = a1;
930
931 size &= 0xfffffffc;
932
933 heap_addr = (u32 *)Ra0;
934 heap_end = (u32 *)((u8 *)heap_addr + size);
935 *heap_addr = SWAP32(size | 1);
936
937 SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (uptr)heap_addr-(uptr)psxM, size);
938
939 pc0 = ra;
940}
941
942void psxBios_getchar() { //0x3b
943 v0 = getchar(); pc0 = ra;
944}
945
946void psxBios_printf() { // 0x3f
947 char tmp[1024];
948 char tmp2[1024];
949 u32 save[4];
950 char *ptmp = tmp;
951 int n=1, i=0, j;
952
953 memcpy(save, (char*)PSXM(sp), 4 * 4);
954 psxMu32ref(sp) = SWAP32((u32)a0);
955 psxMu32ref(sp + 4) = SWAP32((u32)a1);
956 psxMu32ref(sp + 8) = SWAP32((u32)a2);
957 psxMu32ref(sp + 12) = SWAP32((u32)a3);
958
959 while (Ra0[i]) {
960 switch (Ra0[i]) {
961 case '%':
962 j = 0;
963 tmp2[j++] = '%';
964_start:
965 switch (Ra0[++i]) {
966 case '.':
967 case 'l':
968 tmp2[j++] = Ra0[i]; goto _start;
969 default:
970 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
971 tmp2[j++] = Ra0[i];
972 goto _start;
973 }
974 break;
975 }
976 tmp2[j++] = Ra0[i];
977 tmp2[j] = 0;
978
979 switch (Ra0[i]) {
980 case 'f': case 'F':
981 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
982 case 'a': case 'A':
983 case 'e': case 'E':
984 case 'g': case 'G':
985 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
986 case 'p':
987 case 'i':
988 case 'd': case 'D':
989 case 'o': case 'O':
990 case 'x': case 'X':
991 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
992 case 'c':
993 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
994 case 's':
995 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
996 case '%':
997 *ptmp++ = Ra0[i]; break;
998 }
999 i++;
1000 break;
1001 default:
1002 *ptmp++ = Ra0[i++];
1003 }
1004 }
1005 *ptmp = 0;
1006
1007 memcpy((char*)PSXM(sp), save, 4 * 4);
1008
1009 SysPrintf(tmp);
1010
1011 pc0 = ra;
1012}
1013
1014/*
1015 * long Load(char *name, struct EXEC *header);
1016 */
1017
1018void psxBios_Load() { // 0x42
1019 EXE_HEADER eheader;
1020
1021#ifdef PSXBIOS_LOG
1022 PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1023#endif
1024
1025 if (LoadCdromFile(Ra0, &eheader) == 0) {
1026 memcpy(Ra1, ((char*)&eheader)+16, sizeof(EXEC));
1027 v0 = 1;
1028 } else v0 = 0;
1029
1030 pc0 = ra;
1031}
1032
1033/*
1034 * int Exec(struct EXEC *header , int argc , char **argv);
1035 */
1036
1037void psxBios_Exec() { // 43
1038 EXEC *header = (EXEC*)Ra0;
1039 u32 tmp;
1040
1041#ifdef PSXBIOS_LOG
1042 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1043#endif
1044
1045 header->_sp = sp;
1046 header->_fp = fp;
1047 header->_sp = sp;
1048 header->_gp = gp;
1049 header->ret = ra;
1050 header->base = s0;
1051
1052 if (header->S_addr != 0) {
1053 tmp = header->S_addr + header->s_size;
1054 sp = tmp;
1055 fp = sp;
1056 }
1057
1058 gp = header->gp0;
1059
1060 s0 = a0;
1061
1062 a0 = a1;
1063 a1 = a2;
1064
1065 ra = 0x8000;
1066 pc0 = header->_pc0;
1067}
1068
1069void psxBios_FlushCache() { // 44
1070#ifdef PSXBIOS_LOG
1071 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1072#endif
1073
1074 pc0 = ra;
1075}
1076
1077void psxBios_GPU_dw() { // 0x46
1078 int size;
1079 s32 *ptr;
1080
1081#ifdef PSXBIOS_LOG
1082 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1083#endif
1084
1085 GPU_writeData(0xa0000000);
1086 GPU_writeData((a1<<16)|(a0&0xffff));
1087 GPU_writeData((a3<<16)|(a2&0xffff));
1088 size = (a2*a3+1)/2;
1089 ptr = (s32*)PSXM(Rsp[4]); //that is correct?
1090 do {
1091 GPU_writeData(SWAP32(*ptr));
1092 ptr++;
1093 } while(--size);
1094
1095 pc0 = ra;
1096}
1097
1098void psxBios_mem2vram() { // 0x47
1099 int size;
1100
1101 GPU_writeData(0xa0000000);
1102 GPU_writeData((a1<<16)|(a0&0xffff));
1103 GPU_writeData((a3<<16)|(a2&0xffff));
1104 size = (a2*a3+1)/2;
1105 GPU_writeStatus(0x04000002);
1106 psxHwWrite32(0x1f8010f4,0);
1107 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1108 psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1109 psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1110 psxHwWrite32(0x1f8010a8,0x01000201);
1111
1112 pc0 = ra;
1113}
1114
1115void psxBios_SendGPU() { // 0x48
1116 GPU_writeStatus(a0);
1117 pc0 = ra;
1118}
1119
1120void psxBios_GPU_cw() { // 0x49
1121 GPU_writeData(a0);
1122 pc0 = ra;
1123}
1124
1125void psxBios_GPU_cwb() { // 0x4a
1126 s32 *ptr = (s32*)Ra0;
1127 int size = a1;
1128 while(size--) {
1129 GPU_writeData(SWAP32(*ptr));
1130 ptr++;
1131 }
1132
1133 pc0 = ra;
1134}
1135
1136void psxBios_GPU_SendPackets() { //4b:
1137 GPU_writeStatus(0x04000002);
1138 psxHwWrite32(0x1f8010f4,0);
1139 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1140 psxHwWrite32(0x1f8010a0,a0);
1141 psxHwWrite32(0x1f8010a4,0);
1142 psxHwWrite32(0x1f8010a8,0x010000401);
1143 pc0 = ra;
1144}
1145
1146void psxBios_sys_a0_4c() { // 0x4c GPU relate
1147 psxHwWrite32(0x1f8010a8,0x00000401);
1148 GPU_writeData(0x0400000);
1149 GPU_writeData(0x0200000);
1150 GPU_writeData(0x0100000);
1151
1152 pc0 = ra;
1153}
1154
1155void psxBios_GPU_GetGPUStatus() { // 0x4d
1156 v0 = GPU_readStatus();
1157 pc0 = ra;
1158}
1159
1160#undef s_addr
1161
1162void psxBios_LoadExec() { // 51
1163 EXEC *header = (EXEC*)PSXM(0xf000);
1164 u32 s_addr, s_size;
1165
1166#ifdef PSXBIOS_LOG
1167 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1168#endif
1169 s_addr = a1; s_size = a2;
1170
1171 a1 = 0xf000;
1172 psxBios_Load();
1173
1174 header->S_addr = s_addr;
1175 header->s_size = s_size;
1176
1177 a0 = 0xf000; a1 = 0; a2 = 0;
1178 psxBios_Exec();
1179}
1180
1181void psxBios__bu_init() { // 70
1182#ifdef PSXBIOS_LOG
1183 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1184#endif
1185
1186 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1187 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1188
1189 pc0 = ra;
1190}
1191
1192void psxBios__96_init() { // 71
1193#ifdef PSXBIOS_LOG
1194 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1195#endif
1196
1197 pc0 = ra;
1198}
1199
1200void psxBios__96_remove() { // 72
1201#ifdef PSXBIOS_LOG
1202 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1203#endif
1204
1205 pc0 = ra;
1206}
1207
1208void psxBios_SetMem() { // 9f
1209 u32 new = psxHu32(0x1060);
1210
1211#ifdef PSXBIOS_LOG
1212 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1213#endif
1214
1215 switch(a0) {
1216 case 2:
1217 psxHu32ref(0x1060) = SWAP32(new);
1218 psxMu32ref(0x060) = a0;
1219 SysPrintf("Change effective memory : %d MBytes\n",a0);
1220 break;
1221
1222 case 8:
1223 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1224 psxMu32ref(0x060) = a0;
1225 SysPrintf("Change effective memory : %d MBytes\n",a0);
1226
1227 default:
1228 SysPrintf("Effective memory must be 2/8 MBytes\n");
1229 break;
1230 }
1231
1232 pc0 = ra;
1233}
1234
1235void psxBios__card_info() { // ab
1236#ifdef PSXBIOS_LOG
1237 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1238#endif
1239
1240// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1241 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1242
1243 v0 = 1; pc0 = ra;
1244}
1245
1246void psxBios__card_load() { // ac
1247#ifdef PSXBIOS_LOG
1248 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1249#endif
1250
1251// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1252 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1253
1254 v0 = 1; pc0 = ra;
1255}
1256
1257/* System calls B0 */
1258
1259void psxBios_SetRCnt() { // 02
1260#ifdef PSXBIOS_LOG
1261 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1262#endif
1263
1264 a0&= 0x3;
1265 if (a0 != 3) {
1266 u32 mode=0;
1267
1268 psxRcntWtarget(a0, a1);
1269 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1270 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1271 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1272 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1273 else { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1274
1275 psxRcntWmode(a0, mode);
1276 }
1277 pc0 = ra;
1278}
1279
1280void psxBios_GetRCnt() { // 03
1281#ifdef PSXBIOS_LOG
1282 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1283#endif
1284
1285 a0&= 0x3;
1286 if (a0 != 3) v0 = psxRcntRcount(a0);
1287 else v0 = 0;
1288 pc0 = ra;
1289}
1290
1291void psxBios_StartRCnt() { // 04
1292#ifdef PSXBIOS_LOG
1293 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1294#endif
1295
1296 a0&= 0x3;
1297 if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1298 else psxHu32ref(0x1074)|= SWAPu32(0x1);
1299 v0 = 1; pc0 = ra;
1300}
1301
1302void psxBios_StopRCnt() { // 05
1303#ifdef PSXBIOS_LOG
1304 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1305#endif
1306
1307 a0&= 0x3;
1308 if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1309 else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1310 pc0 = ra;
1311}
1312
1313void psxBios_ResetRCnt() { // 06
1314#ifdef PSXBIOS_LOG
1315 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1316#endif
1317
1318 a0&= 0x3;
1319 if (a0 != 3) {
1320 psxRcntWmode(a0, 0);
1321 psxRcntWtarget(a0, 0);
1322 psxRcntWcount(a0, 0);
1323 }
1324 pc0 = ra;
1325}
1326
1327
1328/* gets ev for use with Event */
1329#define GetEv() \
1330 ev = (a0 >> 24) & 0xf; \
1331 if (ev == 0xf) ev = 0x5; \
1332 ev*= 32; \
1333 ev+= a0&0x1f;
1334
1335/* gets spec for use with Event */
1336#define GetSpec() \
1337 spec = 0; \
1338 switch (a1) { \
1339 case 0x0301: spec = 16; break; \
1340 case 0x0302: spec = 17; break; \
1341 default: \
1342 for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1343 break; \
1344 }
1345
1346void psxBios_DeliverEvent() { // 07
1347 int ev, spec;
1348 int i;
1349
1350 GetEv();
1351 GetSpec();
1352
1353#ifdef PSXBIOS_LOG
1354 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1355#endif
1356
1357 DeliverEvent(ev, spec);
1358
1359 pc0 = ra;
1360}
1361
1362void psxBios_OpenEvent() { // 08
1363 int ev, spec;
1364 int i;
1365
1366 GetEv();
1367 GetSpec();
1368
1369#ifdef PSXBIOS_LOG
1370 PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1371#endif
1372
1373 Event[ev][spec].status = EvStWAIT;
1374 Event[ev][spec].mode = a2;
1375 Event[ev][spec].fhandler = a3;
1376
1377 v0 = ev | (spec << 8);
1378 pc0 = ra;
1379}
1380
1381void psxBios_CloseEvent() { // 09
1382 int ev, spec;
1383
1384 ev = a0 & 0xff;
1385 spec = (a0 >> 8) & 0xff;
1386
1387#ifdef PSXBIOS_LOG
1388 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1389#endif
1390
1391 Event[ev][spec].status = EvStUNUSED;
1392
1393 v0 = 1; pc0 = ra;
1394}
1395
1396void psxBios_WaitEvent() { // 0a
1397 int ev, spec;
1398
1399 ev = a0 & 0xff;
1400 spec = (a0 >> 8) & 0xff;
1401
1402#ifdef PSXBIOS_LOG
1403 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1404#endif
1405
1406 Event[ev][spec].status = EvStACTIVE;
1407
1408 v0 = 1; pc0 = ra;
1409}
1410
1411void psxBios_TestEvent() { // 0b
1412 int ev, spec;
1413
1414 ev = a0 & 0xff;
1415 spec = (a0 >> 8) & 0xff;
1416
1417 if (Event[ev][spec].status == EvStALREADY) {
1418 Event[ev][spec].status = EvStACTIVE; v0 = 1;
1419 } else v0 = 0;
1420
1421#ifdef PSXBIOS_LOG
1422 PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1423#endif
1424
1425 pc0 = ra;
1426}
1427
1428void psxBios_EnableEvent() { // 0c
1429 int ev, spec;
1430
1431 ev = a0 & 0xff;
1432 spec = (a0 >> 8) & 0xff;
1433
1434#ifdef PSXBIOS_LOG
1435 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1436#endif
1437
1438 Event[ev][spec].status = EvStACTIVE;
1439
1440 v0 = 1; pc0 = ra;
1441}
1442
1443void psxBios_DisableEvent() { // 0d
1444 int ev, spec;
1445
1446 ev = a0 & 0xff;
1447 spec = (a0 >> 8) & 0xff;
1448
1449#ifdef PSXBIOS_LOG
1450 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1451#endif
1452
1453 Event[ev][spec].status = EvStWAIT;
1454
1455 v0 = 1; pc0 = ra;
1456}
1457
1458/*
1459 * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1460 */
1461
1462void psxBios_OpenTh() { // 0e
1463 int th;
1464
1465 for (th=1; th<8; th++)
1466 if (Thread[th].status == 0) break;
1467
1468#ifdef PSXBIOS_LOG
1469 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1470#endif
1471
1472 Thread[th].status = 1;
1473 Thread[th].func = a0;
1474 Thread[th].reg[29] = a1;
1475 Thread[th].reg[28] = a2;
1476
1477 v0 = th; pc0 = ra;
1478}
1479
1480/*
1481 * int CloseTh(long thread);
1482 */
1483
1484void psxBios_CloseTh() { // 0f
1485 int th = a0 & 0xff;
1486
1487#ifdef PSXBIOS_LOG
1488 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1489#endif
1490
1491 if (Thread[th].status == 0) {
1492 v0 = 0;
1493 } else {
1494 Thread[th].status = 0;
1495 v0 = 1;
1496 }
1497
1498 pc0 = ra;
1499}
1500
1501/*
1502 * int ChangeTh(long thread);
1503 */
1504
1505void psxBios_ChangeTh() { // 10
1506 int th = a0 & 0xff;
1507
1508#ifdef PSXBIOS_LOG
1509// PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1510#endif
1511
1512 if (Thread[th].status == 0 || CurThread == th) {
1513 v0 = 0;
1514
1515 pc0 = ra;
1516 } else {
1517 v0 = 1;
1518
1519 if (Thread[CurThread].status == 2) {
1520 Thread[CurThread].status = 1;
1521 Thread[CurThread].func = ra;
1522 memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1523 }
1524
1525 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1526 pc0 = Thread[th].func;
1527 Thread[th].status = 2;
1528 CurThread = th;
1529 }
1530}
1531
1532void psxBios_InitPAD() { // 0x12
1533#ifdef PSXBIOS_LOG
1534 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1535#endif
1536
1537 pad_buf1 = (char*)Ra0;
1538 pad_buf1len = a1;
1539 pad_buf2 = (char*)Ra2;
1540 pad_buf2len = a3;
1541
1542 v0 = 1; pc0 = ra;
1543}
1544
1545void psxBios_StartPAD() { // 13
1546#ifdef PSXBIOS_LOG
1547 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1548#endif
1549
1550 psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1551 psxRegs.CP0.n.Status |= 0x401;
1552 pc0 = ra;
1553}
1554
1555void psxBios_StopPAD() { // 14
1556#ifdef PSXBIOS_LOG
1557 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1558#endif
1559
1560 pad_buf1 = NULL;
1561 pad_buf2 = NULL;
1562 pc0 = ra;
1563}
1564
1565void psxBios_PAD_init() { // 15
1566#ifdef PSXBIOS_LOG
1567 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1568#endif
1569 psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1570 pad_buf = (int *)Ra1;
1571 *pad_buf = -1;
1572 psxRegs.CP0.n.Status |= 0x401;
1573 pc0 = ra;
1574}
1575
1576void psxBios_PAD_dr() { // 16
1577#ifdef PSXBIOS_LOG
1578 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1579#endif
1580
1581 v0 = -1; pc0 = ra;
1582}
1583
1584void psxBios_ReturnFromException() { // 17
1585 LoadRegs();
1586
1587 pc0 = psxRegs.CP0.n.EPC;
1588 if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1589
1590 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1591 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1592}
1593
1594void psxBios_ResetEntryInt() { // 18
1595#ifdef PSXBIOS_LOG
1596 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1597#endif
1598
1599 jmp_int = NULL;
1600 pc0 = ra;
1601}
1602
1603void psxBios_HookEntryInt() { // 19
1604#ifdef PSXBIOS_LOG
1605 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
1606#endif
1607
1608 jmp_int = (u32*)Ra0;
1609 pc0 = ra;
1610}
1611
1612void psxBios_UnDeliverEvent() { // 0x20
1613 int ev, spec;
1614 int i;
1615
1616 GetEv();
1617 GetSpec();
1618
1619#ifdef PSXBIOS_LOG
1620 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
1621#endif
1622
1623 if (Event[ev][spec].status == EvStALREADY &&
1624 Event[ev][spec].mode == EvMdNOINTR)
1625 Event[ev][spec].status = EvStACTIVE;
1626
1627 pc0 = ra;
1628}
1629
1630#define buopen(mcd) { \
1631 strcpy(FDesc[1 + mcd].name, Ra0+5); \
1632 FDesc[1 + mcd].offset = 0; \
1633 FDesc[1 + mcd].mode = a1; \
1634 \
1635 for (i=1; i<16; i++) { \
1636 ptr = Mcd##mcd##Data + 128 * i; \
1637 if ((*ptr & 0xF0) != 0x50) continue; \
1638 if (strcmp(FDesc[1 + mcd].name, ptr+0xa)) continue; \
1639 FDesc[1 + mcd].mcfile = i; \
1640 SysPrintf("open %s\n", ptr+0xa); \
1641 v0 = 1 + mcd; \
1642 break; \
1643 } \
1644 if (a1 & 0x200 && v0 == -1) { /* FCREAT */ \
1645 for (i=1; i<16; i++) { \
1646 int j, xor = 0; \
1647 \
1648 ptr = Mcd##mcd##Data + 128 * i; \
1649 if ((*ptr & 0xF0) == 0x50) continue; \
1650 ptr[0] = 0x50 | (u8)(a1 >> 16); \
1651 ptr[4] = 0x00; \
1652 ptr[5] = 0x20; \
1653 ptr[6] = 0x00; \
1654 ptr[7] = 0x00; \
1655 ptr[8] = 'B'; \
1656 ptr[9] = 'I'; \
1657 strcpy(ptr+0xa, FDesc[1 + mcd].name); \
1658 for (j=0; j<127; j++) xor^= ptr[j]; \
1659 ptr[127] = xor; \
1660 FDesc[1 + mcd].mcfile = i; \
1661 SysPrintf("openC %s\n", ptr); \
1662 v0 = 1 + mcd; \
1663 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 128); \
1664 break; \
1665 } \
1666 } \
1667}
1668
1669/*
1670 * int open(char *name , int mode);
1671 */
1672
1673void psxBios_open() { // 0x32
1674 int i;
1675 char *ptr;
1676
1677#ifdef PSXBIOS_LOG
1678 PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
1679#endif
1680
1681 v0 = -1;
1682
1683 if (!strncmp(Ra0, "bu00", 4)) {
1684 buopen(1);
1685 }
1686
1687 if (!strncmp(Ra0, "bu10", 4)) {
1688 buopen(2);
1689 }
1690
1691 pc0 = ra;
1692}
1693
1694/*
1695 * int lseek(int fd , int offset , int whence);
1696 */
1697
1698void psxBios_lseek() { // 0x33
1699#ifdef PSXBIOS_LOG
1700 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
1701#endif
1702
1703 switch (a2) {
1704 case 0: // SEEK_SET
1705 FDesc[a0].offset = a1;
1706 v0 = a1;
1707// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1708// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1709 break;
1710
1711 case 1: // SEEK_CUR
1712 FDesc[a0].offset+= a1;
1713 v0 = FDesc[a0].offset;
1714 break;
1715 }
1716
1717 pc0 = ra;
1718}
1719
1720#define buread(mcd) { \
1721 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); \
1722 ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1723 memcpy(Ra1, ptr, a2); \
1724 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1725 else v0 = a2; \
1726 FDesc[1 + mcd].offset += v0; \
1727 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1728 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
1729}
1730
1731/*
1732 * int read(int fd , void *buf , int nbytes);
1733 */
1734
1735void psxBios_read() { // 0x34
1736 char *ptr;
1737
1738#ifdef PSXBIOS_LOG
1739 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
1740#endif
1741
1742 v0 = -1;
1743
1744 switch (a0) {
1745 case 2: buread(1); break;
1746 case 3: buread(2); break;
1747 }
1748
1749 pc0 = ra;
1750}
1751
1752#define buwrite(mcd) { \
1753 u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1754 SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \
1755 ptr = Mcd##mcd##Data + offset; \
1756 memcpy(ptr, Ra1, a2); \
1757 FDesc[1 + mcd].offset += a2; \
1758 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, offset, a2); \
1759 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1760 else v0 = a2; \
1761 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1762 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
1763}
1764
1765/*
1766 * int write(int fd , void *buf , int nbytes);
1767 */
1768
1769void psxBios_write() { // 0x35/0x03
1770 char *ptr;
1771
1772 if (a0 == 1) { // stdout
1773 char *ptr = Ra1;
1774
1775 while (a2 > 0) {
1776 SysPrintf("%c", *ptr++); a2--;
1777 }
1778 pc0 = ra; return;
1779 }
1780#ifdef PSXBIOS_LOG
1781 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
1782#endif
1783
1784 v0 = -1;
1785
1786 switch (a0) {
1787 case 2: buwrite(1); break;
1788 case 3: buwrite(2); break;
1789 }
1790
1791 pc0 = ra;
1792}
1793
1794/*
1795 * int close(int fd);
1796 */
1797
1798void psxBios_close() { // 0x36
1799#ifdef PSXBIOS_LOG
1800 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
1801#endif
1802
1803 v0 = a0;
1804 pc0 = ra;
1805}
1806
1807void psxBios_putchar() { // 3d
1808 SysPrintf("%c", (char)a0);
1809 pc0 = ra;
1810}
1811
1812void psxBios_puts() { // 3e/3f
1813 SysPrintf(Ra0);
1814 pc0 = ra;
1815}
1816
1817char ffile[64], *pfile;
1818int nfile;
1819
1820#define bufile(mcd) { \
1821 while (nfile < 16) { \
1822 int match=1; \
1823 \
1824 ptr = Mcd##mcd##Data + 128 * nfile; \
1825 nfile++; \
1826 if ((*ptr & 0xF0) != 0x50) continue; \
1827 ptr+= 0xa; \
1828 if (pfile[0] == 0) { \
1829 strcpy(dir->name, ptr); \
1830 } else for (i=0; i<20; i++) { \
1831 if (pfile[i] == ptr[i]) { \
1832 dir->name[i] = ptr[i]; \
1833 if (ptr[i] == 0) break; else continue; } \
1834 if (pfile[i] == '?') { \
1835 dir->name[i] = ptr[i]; continue; } \
1836 if (pfile[i] == '*') { \
1837 strcpy(dir->name+i, ptr+i); break; } \
1838 match = 0; break; \
1839 } \
1840 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
1841 if (match == 0) continue; \
1842 dir->size = 8192; \
1843 v0 = _dir; \
1844 break; \
1845 } \
1846}
1847
1848/*
1849 * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
1850 */
1851
1852void psxBios_firstfile() { // 42
1853 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
1854 u32 _dir = a1;
1855 char *ptr;
1856 int i;
1857
1858#ifdef PSXBIOS_LOG
1859 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
1860#endif
1861
1862 v0 = 0;
1863
1864 strcpy(ffile, Ra0);
1865 pfile = ffile+5;
1866 nfile = 1;
1867 if (!strncmp(Ra0, "bu00", 4)) {
1868 bufile(1);
1869 v0 = _dir;
1870 }
1871
1872 if (!strncmp(Ra0, "bu10", 4)) {
1873 bufile(2);
1874 v0 = _dir;
1875 }
1876
1877 pc0 = ra;
1878}
1879
1880/*
1881 * struct DIRENTRY* nextfile(struct DIRENTRY *dir);
1882 */
1883
1884void psxBios_nextfile() { // 43
1885 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
1886 u32 _dir = a0;
1887 char *ptr;
1888 int i;
1889
1890#ifdef PSXBIOS_LOG
1891 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
1892#endif
1893
1894 v0 = 0;
1895
1896 if (!strncmp(ffile, "bu00", 4)) {
1897 bufile(1);
1898 }
1899
1900 if (!strncmp(ffile, "bu10", 4)) {
1901 bufile(2);
1902 }
1903
1904 pc0 = ra;
1905}
1906
1907#define burename(mcd) { \
1908 for (i=1; i<16; i++) { \
1909 int namelen, j, xor = 0; \
1910 ptr = Mcd##mcd##Data + 128 * i; \
1911 if ((*ptr & 0xF0) != 0x50) continue; \
1912 if (strcmp(Ra0+5, ptr+0xa)) continue; \
1913 namelen = strlen(Ra1+5); \
1914 memcpy(ptr+0xa, Ra1+5, namelen); \
1915 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
1916 for (j=0; j<127; j++) xor^= ptr[j]; \
1917 ptr[127] = xor; \
1918 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
1919 v0 = 1; \
1920 break; \
1921 } \
1922}
1923
1924/*
1925 * int rename(char *old, char *new);
1926 */
1927
1928void psxBios_rename() { // 44
1929 char *ptr;
1930 int i;
1931
1932#ifdef PSXBIOS_LOG
1933 PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
1934#endif
1935
1936 v0 = 0;
1937
1938 if (!strncmp(Ra0, "bu00", 4) && !strncmp(Ra1, "bu00", 4)) {
1939 burename(1);
1940 }
1941
1942 if (!strncmp(Ra0, "bu10", 4) && !strncmp(Ra1, "bu10", 4)) {
1943 burename(2);
1944 }
1945
1946 pc0 = ra;
1947}
1948
1949
1950#define budelete(mcd) { \
1951 for (i=1; i<16; i++) { \
1952 ptr = Mcd##mcd##Data + 128 * i; \
1953 if ((*ptr & 0xF0) != 0x50) continue; \
1954 if (strcmp(Ra0+5, ptr+0xa)) continue; \
1955 *ptr = (*ptr & 0xf) | 0xA0; \
1956 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
1957 SysPrintf("delete %s\n", ptr+0xa); \
1958 v0 = 1; \
1959 break; \
1960 } \
1961}
1962
1963/*
1964 * int delete(char *name);
1965 */
1966
1967void psxBios_delete() { // 45
1968 char *ptr;
1969 int i;
1970
1971#ifdef PSXBIOS_LOG
1972 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
1973#endif
1974
1975 v0 = 0;
1976
1977 if (!strncmp(Ra0, "bu00", 4)) {
1978 budelete(1);
1979 }
1980
1981 if (!strncmp(Ra0, "bu10", 4)) {
1982 budelete(2);
1983 }
1984
1985 pc0 = ra;
1986}
1987
1988void psxBios_InitCARD() { // 4a
1989#ifdef PSXBIOS_LOG
1990 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
1991#endif
1992
1993 CardState = 0;
1994
1995 pc0 = ra;
1996}
1997
1998void psxBios_StartCARD() { // 4b
1999#ifdef PSXBIOS_LOG
2000 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2001#endif
2002
2003 if (CardState == 0) CardState = 1;
2004
2005 pc0 = ra;
2006}
2007
2008void psxBios_StopCARD() { // 4c
2009#ifdef PSXBIOS_LOG
2010 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2011#endif
2012
2013 if (CardState == 1) CardState = 0;
2014
2015 pc0 = ra;
2016}
2017
2018void psxBios__card_write() { // 0x4e
2019 int port;
2020
2021#ifdef PSXBIOS_LOG
2022 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2023#endif
2024
2025 port = a0 >> 4;
2026
2027 if (port == 0) {
2028 memcpy(Mcd1Data + a1 * 128, Ra2, 128);
2029 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2030 } else {
2031 memcpy(Mcd2Data + a1 * 128, Ra2, 128);
2032 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2033 }
2034
2035 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2036// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2037
2038 v0 = 1; pc0 = ra;
2039}
2040
2041void psxBios__card_read() { // 0x4f
2042 int port;
2043
2044#ifdef PSXBIOS_LOG
2045 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2046#endif
2047
2048 port = a0 >> 4;
2049
2050 if (port == 0) {
2051 memcpy(Ra2, Mcd1Data + a1 * 128, 128);
2052 } else {
2053 memcpy(Ra2, Mcd2Data + a1 * 128, 128);
2054 }
2055
2056 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2057// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2058
2059 v0 = 1; pc0 = ra;
2060}
2061
2062void psxBios__new_card() { // 0x50
2063#ifdef PSXBIOS_LOG
2064 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2065#endif
2066
2067 pc0 = ra;
2068}
2069
2070void psxBios_Krom2RawAdd() { // 0x51
2071 int i = 0;
2072
2073 const u32 table_8140[][2] = {
2074 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2075 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2076 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2077 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2078 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2079 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2080 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2081 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2082 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2083 {0xffff, 0}
2084 };
2085
2086 const u32 table_889f[][2] = {
2087 {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4},
2088 {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304},
2089 {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14},
2090 {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24},
2091 {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734},
2092 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2093 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2094 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2095 {0xffff, 0}
2096 };
2097
2098 if (a0 >= 0x8140 && a0 <= 0x84be) {
2099 while (table_8140[i][0] <= a0) i++;
2100 a0 -= table_8140[i - 1][0];
2101 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2102 } else if (a0 >= 0x889f && a0 <= 0x9872) {
2103 while (table_889f[i][0] <= a0) i++;
2104 a0 -= table_889f[i - 1][0];
2105 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2106 } else {
2107 v0 = 0xffffffff;
2108 }
2109
2110 pc0 = ra;
2111}
2112
2113void psxBios_GetC0Table() { // 56
2114#ifdef PSXBIOS_LOG
2115 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2116#endif
2117
2118 v0 = 0x674; pc0 = ra;
2119}
2120
2121void psxBios_GetB0Table() { // 57
2122#ifdef PSXBIOS_LOG
2123 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2124#endif
2125
2126 v0 = 0x874; pc0 = ra;
2127}
2128
2129void psxBios_ChangeClearPad() { // 5b
2130#ifdef PSXBIOS_LOG
2131 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2132#endif
2133
2134 pc0 = ra;
2135}
2136
2137/* System calls C0 */
2138
2139/*
2140 * int SysEnqIntRP(int index , long *queue);
2141 */
2142
2143void psxBios_SysEnqIntRP() { // 02
2144#ifdef PSXBIOS_LOG
2145 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2146#endif
2147
2148 SysIntRP[a0] = a1;
2149
2150 v0 = 0; pc0 = ra;
2151}
2152
2153/*
2154 * int SysDeqIntRP(int index , long *queue);
2155 */
2156
2157void psxBios_SysDeqIntRP() { // 03
2158#ifdef PSXBIOS_LOG
2159 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2160#endif
2161
2162 SysIntRP[a0] = 0;
2163
2164 v0 = 0; pc0 = ra;
2165}
2166
2167void psxBios_ChangeClearRCnt() { // 0a
2168 u32 *ptr;
2169
2170#ifdef PSXBIOS_LOG
2171 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2172#endif
2173
2174 ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2175 v0 = *ptr;
2176 *ptr = a1;
2177
2178// psxRegs.CP0.n.Status|= 0x404;
2179 pc0 = ra;
2180}
2181
2182void psxBios_dummy() {
2183#ifdef PSXBIOS_LOG
2184 PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2185#endif
2186 pc0 = ra;
2187}
2188
2189void (*biosA0[256])();
2190void (*biosB0[256])();
2191void (*biosC0[256])();
2192
2193#include "sjisfont.h"
2194
2195void psxBiosInit() {
2196 u32 base, size;
2197 u32 *ptr;
2198 int i;
2199 uLongf len;
2200
2201 for(i = 0; i < 256; i++) {
2202 biosA0[i] = NULL;
2203 biosB0[i] = NULL;
2204 biosC0[i] = NULL;
2205 }
2206 biosA0[0x3e] = psxBios_puts;
2207 biosA0[0x3f] = psxBios_printf;
2208
2209 biosB0[0x3d] = psxBios_putchar;
2210 biosB0[0x3f] = psxBios_puts;
2211
2212 if (!Config.HLE) return;
2213
2214 for(i = 0; i < 256; i++) {
2215 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2216 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2217 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2218 }
2219
2220 biosA0[0x00] = psxBios_open;
2221 biosA0[0x01] = psxBios_lseek;
2222 biosA0[0x02] = psxBios_read;
2223 biosA0[0x03] = psxBios_write;
2224 biosA0[0x04] = psxBios_close;
2225 //biosA0[0x05] = psxBios_ioctl;
2226 //biosA0[0x06] = psxBios_exit;
2227 //biosA0[0x07] = psxBios_sys_a0_07;
2228 //biosA0[0x08] = psxBios_getc;
2229 //biosA0[0x09] = psxBios_putc;
2230 //biosA0[0x0a] = psxBios_todigit;
2231 //biosA0[0x0b] = psxBios_atof;
2232 //biosA0[0x0c] = psxBios_strtoul;
2233 //biosA0[0x0d] = psxBios_strtol;
2234 biosA0[0x0e] = psxBios_abs;
2235 biosA0[0x0f] = psxBios_labs;
2236 biosA0[0x10] = psxBios_atoi;
2237 biosA0[0x11] = psxBios_atol;
2238 //biosA0[0x12] = psxBios_atob;
2239 biosA0[0x13] = psxBios_setjmp;
2240 biosA0[0x14] = psxBios_longjmp;
2241 biosA0[0x15] = psxBios_strcat;
2242 biosA0[0x16] = psxBios_strncat;
2243 biosA0[0x17] = psxBios_strcmp;
2244 biosA0[0x18] = psxBios_strncmp;
2245 biosA0[0x19] = psxBios_strcpy;
2246 biosA0[0x1a] = psxBios_strncpy;
2247 biosA0[0x1b] = psxBios_strlen;
2248 biosA0[0x1c] = psxBios_index;
2249 biosA0[0x1d] = psxBios_rindex;
2250 biosA0[0x1e] = psxBios_strchr;
2251 biosA0[0x1f] = psxBios_strrchr;
2252 biosA0[0x20] = psxBios_strpbrk;
2253 biosA0[0x21] = psxBios_strspn;
2254 biosA0[0x22] = psxBios_strcspn;
2255 biosA0[0x23] = psxBios_strtok;
2256 biosA0[0x24] = psxBios_strstr;
2257 biosA0[0x25] = psxBios_toupper;
2258 biosA0[0x26] = psxBios_tolower;
2259 biosA0[0x27] = psxBios_bcopy;
2260 biosA0[0x28] = psxBios_bzero;
2261 biosA0[0x29] = psxBios_bcmp;
2262 biosA0[0x2a] = psxBios_memcpy;
2263 biosA0[0x2b] = psxBios_memset;
2264 biosA0[0x2c] = psxBios_memmove;
2265 biosA0[0x2d] = psxBios_memcmp;
2266 biosA0[0x2e] = psxBios_memchr;
2267 biosA0[0x2f] = psxBios_rand;
2268 biosA0[0x30] = psxBios_srand;
2269 biosA0[0x31] = psxBios_qsort;
2270 //biosA0[0x32] = psxBios_strtod;
2271 biosA0[0x33] = psxBios_malloc;
2272 biosA0[0x34] = psxBios_free;
2273 //biosA0[0x35] = psxBios_lsearch;
2274 //biosA0[0x36] = psxBios_bsearch;
2275 biosA0[0x37] = psxBios_calloc;
2276 biosA0[0x38] = psxBios_realloc;
2277 biosA0[0x39] = psxBios_InitHeap;
2278 //biosA0[0x3a] = psxBios__exit;
2279 biosA0[0x3b] = psxBios_getchar;
2280 biosA0[0x3c] = psxBios_putchar;
2281 //biosA0[0x3d] = psxBios_gets;
2282 //biosA0[0x40] = psxBios_sys_a0_40;
2283 //biosA0[0x41] = psxBios_LoadTest;
2284 biosA0[0x42] = psxBios_Load;
2285 biosA0[0x43] = psxBios_Exec;
2286 biosA0[0x44] = psxBios_FlushCache;
2287 //biosA0[0x45] = psxBios_InstallInterruptHandler;
2288 biosA0[0x46] = psxBios_GPU_dw;
2289 biosA0[0x47] = psxBios_mem2vram;
2290 biosA0[0x48] = psxBios_SendGPU;
2291 biosA0[0x49] = psxBios_GPU_cw;
2292 biosA0[0x4a] = psxBios_GPU_cwb;
2293 biosA0[0x4b] = psxBios_GPU_SendPackets;
2294 biosA0[0x4c] = psxBios_sys_a0_4c;
2295 biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2296 //biosA0[0x4e] = psxBios_GPU_sync;
2297 //biosA0[0x4f] = psxBios_sys_a0_4f;
2298 //biosA0[0x50] = psxBios_sys_a0_50;
2299 biosA0[0x51] = psxBios_LoadExec;
2300 //biosA0[0x52] = psxBios_GetSysSp;
2301 //biosA0[0x53] = psxBios_sys_a0_53;
2302 //biosA0[0x54] = psxBios__96_init_a54;
2303 //biosA0[0x55] = psxBios__bu_init_a55;
2304 //biosA0[0x56] = psxBios__96_remove_a56;
2305 //biosA0[0x57] = psxBios_sys_a0_57;
2306 //biosA0[0x58] = psxBios_sys_a0_58;
2307 //biosA0[0x59] = psxBios_sys_a0_59;
2308 //biosA0[0x5a] = psxBios_sys_a0_5a;
2309 //biosA0[0x5b] = psxBios_dev_tty_init;
2310 //biosA0[0x5c] = psxBios_dev_tty_open;
2311 //biosA0[0x5d] = psxBios_sys_a0_5d;
2312 //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2313 //biosA0[0x5f] = psxBios_dev_cd_open;
2314 //biosA0[0x60] = psxBios_dev_cd_read;
2315 //biosA0[0x61] = psxBios_dev_cd_close;
2316 //biosA0[0x62] = psxBios_dev_cd_firstfile;
2317 //biosA0[0x63] = psxBios_dev_cd_nextfile;
2318 //biosA0[0x64] = psxBios_dev_cd_chdir;
2319 //biosA0[0x65] = psxBios_dev_card_open;
2320 //biosA0[0x66] = psxBios_dev_card_read;
2321 //biosA0[0x67] = psxBios_dev_card_write;
2322 //biosA0[0x68] = psxBios_dev_card_close;
2323 //biosA0[0x69] = psxBios_dev_card_firstfile;
2324 //biosA0[0x6a] = psxBios_dev_card_nextfile;
2325 //biosA0[0x6b] = psxBios_dev_card_erase;
2326 //biosA0[0x6c] = psxBios_dev_card_undelete;
2327 //biosA0[0x6d] = psxBios_dev_card_format;
2328 //biosA0[0x6e] = psxBios_dev_card_rename;
2329 //biosA0[0x6f] = psxBios_dev_card_6f;
2330 biosA0[0x70] = psxBios__bu_init;
2331 biosA0[0x71] = psxBios__96_init;
2332 biosA0[0x72] = psxBios__96_remove;
2333 //biosA0[0x73] = psxBios_sys_a0_73;
2334 //biosA0[0x74] = psxBios_sys_a0_74;
2335 //biosA0[0x75] = psxBios_sys_a0_75;
2336 //biosA0[0x76] = psxBios_sys_a0_76;
2337 //biosA0[0x77] = psxBios_sys_a0_77;
2338 //biosA0[0x78] = psxBios__96_CdSeekL;
2339 //biosA0[0x79] = psxBios_sys_a0_79;
2340 //biosA0[0x7a] = psxBios_sys_a0_7a;
2341 //biosA0[0x7b] = psxBios_sys_a0_7b;
2342 //biosA0[0x7c] = psxBios__96_CdGetStatus;
2343 //biosA0[0x7d] = psxBios_sys_a0_7d;
2344 //biosA0[0x7e] = psxBios__96_CdRead;
2345 //biosA0[0x7f] = psxBios_sys_a0_7f;
2346 //biosA0[0x80] = psxBios_sys_a0_80;
2347 //biosA0[0x81] = psxBios_sys_a0_81;
2348 //biosA0[0x82] = psxBios_sys_a0_82;
2349 //biosA0[0x83] = psxBios_sys_a0_83;
2350 //biosA0[0x84] = psxBios_sys_a0_84;
2351 //biosA0[0x85] = psxBios__96_CdStop;
2352 //biosA0[0x86] = psxBios_sys_a0_86;
2353 //biosA0[0x87] = psxBios_sys_a0_87;
2354 //biosA0[0x88] = psxBios_sys_a0_88;
2355 //biosA0[0x89] = psxBios_sys_a0_89;
2356 //biosA0[0x8a] = psxBios_sys_a0_8a;
2357 //biosA0[0x8b] = psxBios_sys_a0_8b;
2358 //biosA0[0x8c] = psxBios_sys_a0_8c;
2359 //biosA0[0x8d] = psxBios_sys_a0_8d;
2360 //biosA0[0x8e] = psxBios_sys_a0_8e;
2361 //biosA0[0x8f] = psxBios_sys_a0_8f;
2362 //biosA0[0x90] = psxBios_sys_a0_90;
2363 //biosA0[0x91] = psxBios_sys_a0_91;
2364 //biosA0[0x92] = psxBios_sys_a0_92;
2365 //biosA0[0x93] = psxBios_sys_a0_93;
2366 //biosA0[0x94] = psxBios_sys_a0_94;
2367 //biosA0[0x95] = psxBios_sys_a0_95;
2368 //biosA0[0x96] = psxBios_AddCDROMDevice;
2369 //biosA0[0x97] = psxBios_AddMemCardDevide;
2370 //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2371 //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2372 //biosA0[0x9a] = psxBios_sys_a0_9a;
2373 //biosA0[0x9b] = psxBios_sys_a0_9b;
2374 //biosA0[0x9c] = psxBios_SetConf;
2375 //biosA0[0x9d] = psxBios_GetConf;
2376 //biosA0[0x9e] = psxBios_sys_a0_9e;
2377 biosA0[0x9f] = psxBios_SetMem;
2378 //biosA0[0xa0] = psxBios__boot;
2379 //biosA0[0xa1] = psxBios_SystemError;
2380 //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2381 //biosA0[0xa3] = psxBios_DequeueCdIntr;
2382 //biosA0[0xa4] = psxBios_sys_a0_a4;
2383 //biosA0[0xa5] = psxBios_ReadSector;
2384 //biosA0[0xa6] = psxBios_get_cd_status;
2385 //biosA0[0xa7] = psxBios_bufs_cb_0;
2386 //biosA0[0xa8] = psxBios_bufs_cb_1;
2387 //biosA0[0xa9] = psxBios_bufs_cb_2;
2388 //biosA0[0xaa] = psxBios_bufs_cb_3;
2389 biosA0[0xab] = psxBios__card_info;
2390 biosA0[0xac] = psxBios__card_load;
2391 //biosA0[0axd] = psxBios__card_auto;
2392 //biosA0[0xae] = psxBios_bufs_cd_4;
2393 //biosA0[0xaf] = psxBios_sys_a0_af;
2394 //biosA0[0xb0] = psxBios_sys_a0_b0;
2395 //biosA0[0xb1] = psxBios_sys_a0_b1;
2396 //biosA0[0xb2] = psxBios_do_a_long_jmp
2397 //biosA0[0xb3] = psxBios_sys_a0_b3;
2398 //biosA0[0xb4] = psxBios_sub_function;
2399//*******************B0 CALLS****************************
2400 //biosB0[0x00] = psxBios_SysMalloc;
2401 //biosB0[0x01] = psxBios_sys_b0_01;
2402 biosB0[0x02] = psxBios_SetRCnt;
2403 biosB0[0x03] = psxBios_GetRCnt;
2404 biosB0[0x04] = psxBios_StartRCnt;
2405 biosB0[0x05] = psxBios_StopRCnt;
2406 biosB0[0x06] = psxBios_ResetRCnt;
2407 biosB0[0x07] = psxBios_DeliverEvent;
2408 biosB0[0x08] = psxBios_OpenEvent;
2409 biosB0[0x09] = psxBios_CloseEvent;
2410 biosB0[0x0a] = psxBios_WaitEvent;
2411 biosB0[0x0b] = psxBios_TestEvent;
2412 biosB0[0x0c] = psxBios_EnableEvent;
2413 biosB0[0x0d] = psxBios_DisableEvent;
2414 biosB0[0x0e] = psxBios_OpenTh;
2415 biosB0[0x0f] = psxBios_CloseTh;
2416 biosB0[0x10] = psxBios_ChangeTh;
2417 //biosB0[0x11] = psxBios_psxBios_b0_11;
2418 biosB0[0x12] = psxBios_InitPAD;
2419 biosB0[0x13] = psxBios_StartPAD;
2420 biosB0[0x14] = psxBios_StopPAD;
2421 biosB0[0x15] = psxBios_PAD_init;
2422 biosB0[0x16] = psxBios_PAD_dr;
2423 biosB0[0x17] = psxBios_ReturnFromException;
2424 biosB0[0x18] = psxBios_ResetEntryInt;
2425 biosB0[0x19] = psxBios_HookEntryInt;
2426 //biosB0[0x1a] = psxBios_sys_b0_1a;
2427 //biosB0[0x1b] = psxBios_sys_b0_1b;
2428 //biosB0[0x1c] = psxBios_sys_b0_1c;
2429 //biosB0[0x1d] = psxBios_sys_b0_1d;
2430 //biosB0[0x1e] = psxBios_sys_b0_1e;
2431 //biosB0[0x1f] = psxBios_sys_b0_1f;
2432 biosB0[0x20] = psxBios_UnDeliverEvent;
2433 //biosB0[0x21] = psxBios_sys_b0_21;
2434 //biosB0[0x22] = psxBios_sys_b0_22;
2435 //biosB0[0x23] = psxBios_sys_b0_23;
2436 //biosB0[0x24] = psxBios_sys_b0_24;
2437 //biosB0[0x25] = psxBios_sys_b0_25;
2438 //biosB0[0x26] = psxBios_sys_b0_26;
2439 //biosB0[0x27] = psxBios_sys_b0_27;
2440 //biosB0[0x28] = psxBios_sys_b0_28;
2441 //biosB0[0x29] = psxBios_sys_b0_29;
2442 //biosB0[0x2a] = psxBios_sys_b0_2a;
2443 //biosB0[0x2b] = psxBios_sys_b0_2b;
2444 //biosB0[0x2c] = psxBios_sys_b0_2c;
2445 //biosB0[0x2d] = psxBios_sys_b0_2d;
2446 //biosB0[0x2e] = psxBios_sys_b0_2e;
2447 //biosB0[0x2f] = psxBios_sys_b0_2f;
2448 //biosB0[0x30] = psxBios_sys_b0_30;
2449 //biosB0[0x31] = psxBios_sys_b0_31;
2450 biosB0[0x32] = psxBios_open;
2451 biosB0[0x33] = psxBios_lseek;
2452 biosB0[0x34] = psxBios_read;
2453 biosB0[0x35] = psxBios_write;
2454 biosB0[0x36] = psxBios_close;
2455 //biosB0[0x37] = psxBios_ioctl;
2456 //biosB0[0x38] = psxBios_exit;
2457 //biosB0[0x39] = psxBios_sys_b0_39;
2458 //biosB0[0x3a] = psxBios_getc;
2459 //biosB0[0x3b] = psxBios_putc;
2460 biosB0[0x3c] = psxBios_getchar;
2461 //biosB0[0x3e] = psxBios_gets;
2462 //biosB0[0x40] = psxBios_cd;
2463 //biosB0[0x41] = psxBios_format;
2464 biosB0[0x42] = psxBios_firstfile;
2465 biosB0[0x43] = psxBios_nextfile;
2466 biosB0[0x44] = psxBios_rename;
2467 biosB0[0x45] = psxBios_delete;
2468 //biosB0[0x46] = psxBios_undelete;
2469 //biosB0[0x47] = psxBios_AddDevice;
2470 //biosB0[0x48] = psxBios_RemoteDevice;
2471 //biosB0[0x49] = psxBios_PrintInstalledDevices;
2472 biosB0[0x4a] = psxBios_InitCARD;
2473 biosB0[0x4b] = psxBios_StartCARD;
2474 biosB0[0x4c] = psxBios_StopCARD;
2475 //biosB0[0x4d] = psxBios_sys_b0_4d;
2476 biosB0[0x4e] = psxBios__card_write;
2477 biosB0[0x4f] = psxBios__card_read;
2478 biosB0[0x50] = psxBios__new_card;
2479 biosB0[0x51] = psxBios_Krom2RawAdd;
2480 //biosB0[0x52] = psxBios_sys_b0_52;
2481 //biosB0[0x53] = psxBios_sys_b0_53;
2482 //biosB0[0x54] = psxBios__get_errno;
2483 //biosB0[0x55] = psxBios__get_error;
2484 biosB0[0x56] = psxBios_GetC0Table;
2485 biosB0[0x57] = psxBios_GetB0Table;
2486 //biosB0[0x58] = psxBios__card_chan;
2487 //biosB0[0x59] = psxBios_sys_b0_59;
2488 //biosB0[0x5a] = psxBios_sys_b0_5a;
2489 biosB0[0x5b] = psxBios_ChangeClearPad;
2490 //biosB0[0x5c] = psxBios__card_status;
2491 //biosB0[0x5d] = psxBios__card_wait;
2492//*******************C0 CALLS****************************
2493 //biosC0[0x00] = psxBios_InitRCnt;
2494 //biosC0[0x01] = psxBios_InitException;
2495 biosC0[0x02] = psxBios_SysEnqIntRP;
2496 biosC0[0x03] = psxBios_SysDeqIntRP;
2497 //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2498 //biosC0[0x05] = psxBios_get_free_TCB_slot;
2499 //biosC0[0x06] = psxBios_ExceptionHandler;
2500 //biosC0[0x07] = psxBios_InstallExeptionHandler;
2501 //biosC0[0x08] = psxBios_SysInitMemory;
2502 //biosC0[0x09] = psxBios_SysInitKMem;
2503 biosC0[0x0a] = psxBios_ChangeClearRCnt;
2504 //biosC0[0x0b] = psxBios_SystemError;
2505 //biosC0[0x0c] = psxBios_InitDefInt;
2506 //biosC0[0x0d] = psxBios_sys_c0_0d;
2507 //biosC0[0x0e] = psxBios_sys_c0_0e;
2508 //biosC0[0x0f] = psxBios_sys_c0_0f;
2509 //biosC0[0x10] = psxBios_sys_c0_10;
2510 //biosC0[0x11] = psxBios_sys_c0_11;
2511 //biosC0[0x12] = psxBios_InstallDevices;
2512 //biosC0[0x13] = psxBios_FlushStfInOutPut;
2513 //biosC0[0x14] = psxBios_sys_c0_14;
2514 //biosC0[0x15] = psxBios__cdevinput;
2515 //biosC0[0x16] = psxBios__cdevscan;
2516 //biosC0[0x17] = psxBios__circgetc;
2517 //biosC0[0x18] = psxBios__circputc;
2518 //biosC0[0x19] = psxBios_ioabort;
2519 //biosC0[0x1a] = psxBios_sys_c0_1a
2520 //biosC0[0x1b] = psxBios_KernelRedirect;
2521 //biosC0[0x1c] = psxBios_PatchAOTable;
2522//************** THE END ***************************************
2523/**/
2524 base = 0x1000;
2525 size = sizeof(EvCB) * 32;
2526 Event = (void *)&psxR[base]; base += size * 6;
2527 memset(Event, 0, size * 6);
2528 HwEV = Event;
2529 EvEV = Event + 32;
2530 RcEV = Event + 32 * 2;
2531 UeEV = Event + 32 * 3;
2532 SwEV = Event + 32 * 4;
2533 ThEV = Event + 32 * 5;
2534
2535 ptr = (u32 *)&psxM[0x0874]; // b0 table
2536 ptr[0] = SWAPu32(0x4c54 - 0x884);
2537
2538 ptr = (u32 *)&psxM[0x0674]; // c0 table
2539 ptr[6] = SWAPu32(0xc80);
2540
2541 memset(SysIntRP, 0, sizeof(SysIntRP));
2542 memset(Thread, 0, sizeof(Thread));
2543 Thread[0].status = 2; // main thread
2544
2545 psxMu32ref(0x0150) = SWAPu32(0x160);
2546 psxMu32ref(0x0154) = SWAPu32(0x320);
2547 psxMu32ref(0x0160) = SWAPu32(0x248);
2548 strcpy((char *)&psxM[0x248], "bu");
2549/* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
2550 psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
2551 psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
2552 psxMu32ref(0x09e0) = SWAPu32(0x43d0);
2553 psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
2554*/
2555 // opcode HLE
2556 psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
2557 psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
2558 psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
2559 psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
2560 psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
2561 psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
2562 psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
2563 psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
2564 psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
2565 psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
2566
2567 // initial stack pointer for BIOS interrupt
2568 psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
2569
2570 // initial RNG seed
2571 psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
2572
2573 // fonts
2574 len = 0x80000 - 0x66000;
2575 uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
2576 len = 0x80000 - 0x69d68;
2577 uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
2578
2579 // memory size 2 MB
2580 psxHu32ref(0x1060) = SWAPu32(0x00000b88);
2581
2582 hleSoftCall = FALSE;
2583}
2584
2585void psxBiosShutdown() {
2586}
2587
2588#define psxBios_PADpoll(pad) { \
2589 PAD##pad##_startPoll(pad); \
2590 pad_buf##pad[0] = 0; \
2591 pad_buf##pad[1] = PAD##pad##_poll(0x42); \
2592 if (!(pad_buf##pad[1] & 0x0f)) { \
2593 bufcount = 32; \
2594 } else { \
2595 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
2596 } \
2597 PAD##pad##_poll(0); \
2598 i = 2; \
2599 while (bufcount--) { \
2600 pad_buf##pad[i++] = PAD##pad##_poll(0); \
2601 } \
2602}
2603
2604void biosInterrupt() {
2605 int i, bufcount;
2606
2607// if (psxHu32(0x1070) & 0x1) { // Vsync
2608 if (pad_buf != NULL) {
2609 u32 *buf = (u32*)pad_buf;
2610
2611 if (!Config.UseNet) {
2612 PAD1_startPoll(1);
2613 if (PAD1_poll(0x42) == 0x23) {
2614 PAD1_poll(0);
2615 *buf = PAD1_poll(0) << 8;
2616 *buf |= PAD1_poll(0);
2617 PAD1_poll(0);
2618 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
2619 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
2620 } else {
2621 PAD1_poll(0);
2622 *buf = PAD1_poll(0) << 8;
2623 *buf|= PAD1_poll(0);
2624 }
2625
2626 PAD2_startPoll(2);
2627 if (PAD2_poll(0x42) == 0x23) {
2628 PAD2_poll(0);
2629 *buf |= PAD2_poll(0) << 24;
2630 *buf |= PAD2_poll(0) << 16;
2631 PAD2_poll(0);
2632 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
2633 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
2634 } else {
2635 PAD2_poll(0);
2636 *buf |= PAD2_poll(0) << 24;
2637 *buf |= PAD2_poll(0) << 16;
2638 }
2639 } else {
2640 u16 data;
2641
2642 PAD1_startPoll(1);
2643 PAD1_poll(0x42);
2644 PAD1_poll(0);
2645 data = PAD1_poll(0) << 8;
2646 data |= PAD1_poll(0);
2647
2648 if (NET_sendPadData(&data, 2) == -1)
2649 netError();
2650
2651 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
2652 netError();
2653 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
2654 netError();
2655 }
2656 }
2657 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
2658 psxBios_PADpoll(1);
2659
2660 if (NET_sendPadData(pad_buf1, i) == -1)
2661 netError();
2662
2663 if (NET_recvPadData(pad_buf1, 1) == -1)
2664 netError();
2665 if (NET_recvPadData(pad_buf2, 2) == -1)
2666 netError();
2667 } else {
2668 if (pad_buf1) {
2669 psxBios_PADpoll(1);
2670 }
2671
2672 if (pad_buf2) {
2673 psxBios_PADpoll(2);
2674 }
2675 }
2676
2677 if (psxHu32(0x1070) & 0x1) { // Vsync
2678 if (RcEV[3][1].status == EvStACTIVE) {
2679 softCall(RcEV[3][1].fhandler);
2680// hwWrite32(0x1f801070, ~(1));
2681 }
2682 }
2683
2684 if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
2685 int i;
2686
2687 for (i = 0; i < 3; i++) {
2688 if (psxHu32(0x1070) & (1 << (i + 4))) {
2689 if (RcEV[i][1].status == EvStACTIVE) {
2690 softCall(RcEV[i][1].fhandler);
2691 }
2692 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
2693 }
2694 }
2695 }
2696}
2697
2698void psxBiosException() {
2699 int i;
2700
2701 switch (psxRegs.CP0.n.Cause & 0x3c) {
2702 case 0x00: // Interrupt
2703#ifdef PSXCPU_LOG
2704// PSXCPU_LOG("interrupt\n");
2705#endif
2706 SaveRegs();
2707
2708 sp = psxMu32(0x6c80); // create new stack for interrupt handlers
2709
2710 biosInterrupt();
2711
2712 for (i = 0; i < 8; i++) {
2713 if (SysIntRP[i]) {
2714 u32 *queue = (u32 *)PSXM(SysIntRP[i]);
2715
2716 s0 = queue[2];
2717 softCall(queue[1]);
2718 }
2719 }
2720
2721 if (jmp_int != NULL) {
2722 int i;
2723
2724 psxHwWrite32(0x1f801070, 0xffffffff);
2725
2726 ra = jmp_int[0];
2727 sp = jmp_int[1];
2728 fp = jmp_int[2];
2729 for (i = 0; i < 8; i++) // s0-s7
2730 psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
2731 gp = jmp_int[11];
2732
2733 v0 = 1;
2734 pc0 = ra;
2735 return;
2736 }
2737 psxHwWrite16(0x1f801070, 0);
2738 break;
2739
2740 case 0x20: // Syscall
2741#ifdef PSXCPU_LOG
2742 PSXCPU_LOG("syscall exp %x\n", a0);
2743#endif
2744 switch (a0) {
2745 case 1: // EnterCritical - disable irq's
2746 psxRegs.CP0.n.Status &= ~0x404;
2747v0=1; // HDHOSHY experimental patch: Spongebob, Coldblood, fearEffect, Medievil2, Martian Gothic
2748 break;
2749
2750 case 2: // ExitCritical - enable irq's
2751 psxRegs.CP0.n.Status |= 0x404;
2752 break;
2753 }
2754 pc0 = psxRegs.CP0.n.EPC + 4;
2755
2756 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2757 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2758 return;
2759
2760 default:
2761#ifdef PSXCPU_LOG
2762 PSXCPU_LOG("unknown bios exception!\n");
2763#endif
2764 break;
2765 }
2766
2767 pc0 = psxRegs.CP0.n.EPC;
2768 if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
2769
2770 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2771 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2772}
2773
2774#define bfreeze(ptr, size) { \
2775 if (Mode == 1) memcpy(&psxR[base], ptr, size); \
2776 if (Mode == 0) memcpy(ptr, &psxR[base], size); \
2777 base += size; \
2778}
2779
2780#define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
2781#define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
2782
2783#define bfreezepsxMptr(ptr, type) { \
2784 if (Mode == 1) { \
2785 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
2786 else psxRu32ref(base) = 0; \
2787 } else { \
2788 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
2789 else (ptr) = NULL; \
2790 } \
2791 base += sizeof(u32); \
2792}
2793
2794void psxBiosFreeze(int Mode) {
2795 u32 base = 0x40000;
2796
2797 bfreezepsxMptr(jmp_int, u32);
2798 bfreezepsxMptr(pad_buf, int);
2799 bfreezepsxMptr(pad_buf1, char);
2800 bfreezepsxMptr(pad_buf2, char);
2801 bfreezepsxMptr(heap_addr, u32);
2802 bfreezel(&pad_buf1len);
2803 bfreezel(&pad_buf2len);
2804 bfreezes(regs);
2805 bfreezes(SysIntRP);
2806 bfreezel(&CardState);
2807 bfreezes(Thread);
2808 bfreezel(&CurThread);
2809 bfreezes(FDesc);
2810}
ARM optimized PCSX fork