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Merge pull request #317 from retro-wertz/psxhle_log
[pcsx_rearmed.git] / libpcsxcore / psxbios.c
CommitLineData
ef79bbde
P		 1/***************************************************************************
2 * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team *
3 * *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation; either version 2 of the License, or *
7 * (at your option) any later version. *
8 * *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
13 * *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. *
18 ***************************************************************************/
19
20/*
21 * Internal simulated HLE BIOS.
22 */
23
24// TODO: implement all system calls, count the exact CPU cycles of system calls.
25
26#include "psxbios.h"
27#include "psxhw.h"
ddbaf678 28#include "gpu.h"
5bf56268 29#include "sio.h"
496d88d4 30#include <zlib.h>
ef79bbde 31
452b85f9 32#undef SysPrintf
33#define SysPrintf if (Config.PsxOut) printf
34
ef79bbde
P		 35char *biosA0n[256] = {
36// 0x00
37 "open", "lseek", "read", "write",
38 "close", "ioctl", "exit", "sys_a0_07",
39 "getc", "putc", "todigit", "atof",
40 "strtoul", "strtol", "abs", "labs",
41// 0x10
42 "atoi", "atol", "atob", "setjmp",
43 "longjmp", "strcat", "strncat", "strcmp",
44 "strncmp", "strcpy", "strncpy", "strlen",
45 "index", "rindex", "strchr", "strrchr",
46// 0x20
47 "strpbrk", "strspn", "strcspn", "strtok",
48 "strstr", "toupper", "tolower", "bcopy",
49 "bzero", "bcmp", "memcpy", "memset",
50 "memmove", "memcmp", "memchr", "rand",
51// 0x30
52 "srand", "qsort", "strtod", "malloc",
53 "free", "lsearch", "bsearch", "calloc",
54 "realloc", "InitHeap", "_exit", "getchar",
55 "putchar", "gets", "puts", "printf",
56// 0x40
57 "sys_a0_40", "LoadTest", "Load", "Exec",
58 "FlushCache", "InstallInterruptHandler", "GPU_dw", "mem2vram",
59 "SendGPUStatus", "GPU_cw", "GPU_cwb", "SendPackets",
60 "sys_a0_4c", "GetGPUStatus", "GPU_sync", "sys_a0_4f",
61// 0x50
62 "sys_a0_50", "LoadExec", "GetSysSp", "sys_a0_53",
63 "_96_init()", "_bu_init()", "_96_remove()", "sys_a0_57",
64 "sys_a0_58", "sys_a0_59", "sys_a0_5a", "dev_tty_init",
65 "dev_tty_open", "sys_a0_5d", "dev_tty_ioctl","dev_cd_open",
66// 0x60
67 "dev_cd_read", "dev_cd_close", "dev_cd_firstfile", "dev_cd_nextfile",
68 "dev_cd_chdir", "dev_card_open", "dev_card_read", "dev_card_write",
69 "dev_card_close", "dev_card_firstfile", "dev_card_nextfile","dev_card_erase",
70 "dev_card_undelete","dev_card_format", "dev_card_rename", "dev_card_6f",
71// 0x70
72 "_bu_init", "_96_init", "_96_remove", "sys_a0_73",
73 "sys_a0_74", "sys_a0_75", "sys_a0_76", "sys_a0_77",
74 "_96_CdSeekL", "sys_a0_79", "sys_a0_7a", "sys_a0_7b",
75 "_96_CdGetStatus", "sys_a0_7d", "_96_CdRead", "sys_a0_7f",
76// 0x80
77 "sys_a0_80", "sys_a0_81", "sys_a0_82", "sys_a0_83",
78 "sys_a0_84", "_96_CdStop", "sys_a0_86", "sys_a0_87",
79 "sys_a0_88", "sys_a0_89", "sys_a0_8a", "sys_a0_8b",
80 "sys_a0_8c", "sys_a0_8d", "sys_a0_8e", "sys_a0_8f",
81// 0x90
82 "sys_a0_90", "sys_a0_91", "sys_a0_92", "sys_a0_93",
83 "sys_a0_94", "sys_a0_95", "AddCDROMDevice", "AddMemCardDevide",
84 "DisableKernelIORedirection", "EnableKernelIORedirection", "sys_a0_9a", "sys_a0_9b",
85 "SetConf", "GetConf", "sys_a0_9e", "SetMem",
86// 0xa0
87 "_boot", "SystemError", "EnqueueCdIntr", "DequeueCdIntr",
88 "sys_a0_a4", "ReadSector", "get_cd_status", "bufs_cb_0",
89 "bufs_cb_1", "bufs_cb_2", "bufs_cb_3", "_card_info",
90 "_card_load", "_card_auto", "bufs_cd_4", "sys_a0_af",
91// 0xb0
92 "sys_a0_b0", "sys_a0_b1", "do_a_long_jmp", "sys_a0_b3",
93 "?? sub_function",
94};
95
96char *biosB0n[256] = {
97// 0x00
98 "SysMalloc", "sys_b0_01", "sys_b0_02", "sys_b0_03",
99 "sys_b0_04", "sys_b0_05", "sys_b0_06", "DeliverEvent",
100 "OpenEvent", "CloseEvent", "WaitEvent", "TestEvent",
101 "EnableEvent", "DisableEvent", "OpenTh", "CloseTh",
102// 0x10
103 "ChangeTh", "sys_b0_11", "InitPAD", "StartPAD",
104 "StopPAD", "PAD_init", "PAD_dr", "ReturnFromExecption",
105 "ResetEntryInt", "HookEntryInt", "sys_b0_1a", "sys_b0_1b",
106 "sys_b0_1c", "sys_b0_1d", "sys_b0_1e", "sys_b0_1f",
107// 0x20
108 "UnDeliverEvent", "sys_b0_21", "sys_b0_22", "sys_b0_23",
109 "sys_b0_24", "sys_b0_25", "sys_b0_26", "sys_b0_27",
110 "sys_b0_28", "sys_b0_29", "sys_b0_2a", "sys_b0_2b",
111 "sys_b0_2c", "sys_b0_2d", "sys_b0_2e", "sys_b0_2f",
112// 0x30
113 "sys_b0_30", "sys_b0_31", "open", "lseek",
114 "read", "write", "close", "ioctl",
115 "exit", "sys_b0_39", "getc", "putc",
116 "getchar", "putchar", "gets", "puts",
117// 0x40
118 "cd", "format", "firstfile", "nextfile",
119 "rename", "delete", "undelete", "AddDevice",
120 "RemoteDevice", "PrintInstalledDevices", "InitCARD", "StartCARD",
121 "StopCARD", "sys_b0_4d", "_card_write", "_card_read",
122// 0x50
123 "_new_card", "Krom2RawAdd", "sys_b0_52", "sys_b0_53",
124 "_get_errno", "_get_error", "GetC0Table", "GetB0Table",
125 "_card_chan", "sys_b0_59", "sys_b0_5a", "ChangeClearPAD",
126 "_card_status", "_card_wait",
127};
128
129char *biosC0n[256] = {
130// 0x00
131 "InitRCnt", "InitException", "SysEnqIntRP", "SysDeqIntRP",
132 "get_free_EvCB_slot", "get_free_TCB_slot", "ExceptionHandler", "InstallExeptionHandler",
133 "SysInitMemory", "SysInitKMem", "ChangeClearRCnt", "SystemError",
134 "InitDefInt", "sys_c0_0d", "sys_c0_0e", "sys_c0_0f",
135// 0x10
136 "sys_c0_10", "sys_c0_11", "InstallDevices", "FlushStfInOutPut",
137 "sys_c0_14", "_cdevinput", "_cdevscan", "_circgetc",
138 "_circputc", "ioabort", "sys_c0_1a", "KernelRedirect",
139 "PatchAOTable",
140};
141
142//#define r0 (psxRegs.GPR.n.r0)
143#define at (psxRegs.GPR.n.at)
144#define v0 (psxRegs.GPR.n.v0)
145#define v1 (psxRegs.GPR.n.v1)
146#define a0 (psxRegs.GPR.n.a0)
147#define a1 (psxRegs.GPR.n.a1)
148#define a2 (psxRegs.GPR.n.a2)
149#define a3 (psxRegs.GPR.n.a3)
150#define t0 (psxRegs.GPR.n.t0)
151#define t1 (psxRegs.GPR.n.t1)
152#define t2 (psxRegs.GPR.n.t2)
153#define t3 (psxRegs.GPR.n.t3)
154#define t4 (psxRegs.GPR.n.t4)
155#define t5 (psxRegs.GPR.n.t5)
156#define t6 (psxRegs.GPR.n.t6)
157#define t7 (psxRegs.GPR.n.t7)
158#define t8 (psxRegs.GPR.n.t8)
159#define t9 (psxRegs.GPR.n.t9)
160#define s0 (psxRegs.GPR.n.s0)
161#define s1 (psxRegs.GPR.n.s1)
162#define s2 (psxRegs.GPR.n.s2)
163#define s3 (psxRegs.GPR.n.s3)
164#define s4 (psxRegs.GPR.n.s4)
165#define s5 (psxRegs.GPR.n.s5)
166#define s6 (psxRegs.GPR.n.s6)
167#define s7 (psxRegs.GPR.n.s7)
168#define k0 (psxRegs.GPR.n.k0)
169#define k1 (psxRegs.GPR.n.k1)
170#define gp (psxRegs.GPR.n.gp)
171#define sp (psxRegs.GPR.n.sp)
172#define fp (psxRegs.GPR.n.s8)
173#define ra (psxRegs.GPR.n.ra)
174#define pc0 (psxRegs.pc)
175
176#define Ra0 ((char *)PSXM(a0))
177#define Ra1 ((char *)PSXM(a1))
178#define Ra2 ((char *)PSXM(a2))
179#define Ra3 ((char *)PSXM(a3))
180#define Rv0 ((char *)PSXM(v0))
181#define Rsp ((char *)PSXM(sp))
182
183typedef struct {
184 u32 desc;
185 s32 status;
186 s32 mode;
187 u32 fhandler;
188} EvCB[32];
189
190#define EvStUNUSED 0x0000
191#define EvStWAIT 0x1000
192#define EvStACTIVE 0x2000
193#define EvStALREADY 0x4000
194
195#define EvMdINTR 0x1000
196#define EvMdNOINTR 0x2000
197
198/*
199typedef struct {
200 s32 next;
201 s32 func1;
202 s32 func2;
203 s32 pad;
204} SysRPst;
205*/
206
207typedef struct {
208 s32 status;
209 s32 mode;
210 u32 reg[32];
211 u32 func;
212} TCB;
213
214typedef struct {
215 u32 _pc0;
216 u32 gp0;
217 u32 t_addr;
218 u32 t_size;
219 u32 d_addr;
220 u32 d_size;
221 u32 b_addr;
222 u32 b_size;
223 u32 S_addr;
224 u32 s_size;
225 u32 _sp, _fp, _gp, ret, base;
226} EXEC;
227
228struct DIRENTRY {
229 char name[20];
230 s32 attr;
231 s32 size;
232 u32 next;
233 s32 head;
234 char system[4];
235};
236
237typedef struct {
238 char name[32];
239 u32 mode;
240 u32 offset;
241 u32 size;
242 u32 mcfile;
243} FileDesc;
244
245static u32 *jmp_int = NULL;
246static int *pad_buf = NULL;
247static char *pad_buf1 = NULL, *pad_buf2 = NULL;
248static int pad_buf1len, pad_buf2len;
249
250static u32 regs[35];
251static EvCB *Event;
252static EvCB *HwEV; // 0xf0
253static EvCB *EvEV; // 0xf1
254static EvCB *RcEV; // 0xf2
255static EvCB *UeEV; // 0xf3
256static EvCB *SwEV; // 0xf4
257static EvCB *ThEV; // 0xff
258static u32 *heap_addr = NULL;
259static u32 *heap_end = NULL;
260static u32 SysIntRP[8];
261static int CardState = -1;
262static TCB Thread[8];
263static int CurThread = 0;
264static FileDesc FDesc[32];
5bf56268 265static u32 card_active_chan = 0;
ef79bbde
P		 266
267boolean hleSoftCall = FALSE;
268
269static inline void softCall(u32 pc) {
270 pc0 = pc;
271 ra = 0x80001000;
272
273 hleSoftCall = TRUE;
274
275 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
276
277 hleSoftCall = FALSE;
278}
279
280static inline void softCall2(u32 pc) {
281 u32 sra = ra;
282 pc0 = pc;
283 ra = 0x80001000;
284
285 hleSoftCall = TRUE;
286
287 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
288 ra = sra;
289
290 hleSoftCall = FALSE;
291}
292
293static inline void DeliverEvent(u32 ev, u32 spec) {
294 if (Event[ev][spec].status != EvStACTIVE) return;
295
296// Event[ev][spec].status = EvStALREADY;
297 if (Event[ev][spec].mode == EvMdINTR) {
298 softCall2(Event[ev][spec].fhandler);
299 } else Event[ev][spec].status = EvStALREADY;
300}
301
302static inline void SaveRegs() {
303 memcpy(regs, psxRegs.GPR.r, 32*4);
304 regs[32] = psxRegs.GPR.n.lo;
305 regs[33] = psxRegs.GPR.n.hi;
306 regs[34] = psxRegs.pc;
307}
308
309static inline void LoadRegs() {
310 memcpy(psxRegs.GPR.r, regs, 32*4);
311 psxRegs.GPR.n.lo = regs[32];
312 psxRegs.GPR.n.hi = regs[33];
313}
314
315/* *
316// *
317// *
318// System calls A0 */
319
320
321void psxBios_abs() { // 0x0e
322 if ((s32)a0 < 0) v0 = -(s32)a0;
323 else v0 = a0;
324 pc0 = ra;
325}
326
327void psxBios_labs() { // 0x0f
328 psxBios_abs();
329}
330
331void psxBios_atoi() { // 0x10
332 s32 n = 0, f = 0;
333 char *p = (char *)Ra0;
334
335 for (;;p++) {
336 switch (*p) {
337 case ' ': case '\t': continue;
338 case '-': f++;
339 case '+': p++;
340 }
341 break;
342 }
343
344 while (*p >= '0' && *p <= '9') {
345 n = n * 10 + *p++ - '0';
346 }
347
348 v0 = (f ? -n : n);
349 pc0 = ra;
350}
351
352void psxBios_atol() { // 0x11
353 psxBios_atoi();
354}
355
356void psxBios_setjmp() { // 0x13
357 u32 *jmp_buf = (u32 *)Ra0;
358 int i;
359
360#ifdef PSXBIOS_LOG
361 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]);
362#endif
363
364 jmp_buf[0] = ra;
365 jmp_buf[1] = sp;
366 jmp_buf[2] = fp;
367 for (i = 0; i < 8; i++) // s0-s7
368 jmp_buf[3 + i] = psxRegs.GPR.r[16 + i];
369 jmp_buf[11] = gp;
370
371 v0 = 0; pc0 = ra;
372}
373
374void psxBios_longjmp() { // 0x14
375 u32 *jmp_buf = (u32 *)Ra0;
376 int i;
377
378#ifdef PSXBIOS_LOG
379 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]);
380#endif
381
382 ra = jmp_buf[0]; /* ra */
383 sp = jmp_buf[1]; /* sp */
384 fp = jmp_buf[2]; /* fp */
385 for (i = 0; i < 8; i++) // s0-s7
386 psxRegs.GPR.r[16 + i] = jmp_buf[3 + i];
387 gp = jmp_buf[11]; /* gp */
388
389 v0 = a1; pc0 = ra;
390}
391
392void psxBios_strcat() { // 0x15
393 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
394
395#ifdef PSXBIOS_LOG
396 PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1);
397#endif
398
399 while (*p1++);
400 --p1;
401 while ((*p1++ = *p2++) != '\0');
402
403 v0 = a0; pc0 = ra;
404}
405
406void psxBios_strncat() { // 0x16
407 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
408 s32 n = a2;
409
410#ifdef PSXBIOS_LOG
411 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2);
412#endif
413
414 while (*p1++);
415 --p1;
416 while ((*p1++ = *p2++) != '\0') {
417 if (--n < 0) {
418 *--p1 = '\0';
419 break;
420 }
421 }
422
423 v0 = a0; pc0 = ra;
424}
425
426void psxBios_strcmp() { // 0x17
427 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
428
429#ifdef PSXBIOS_LOG
430 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1);
431#endif
432
433 while (*p1 == *p2++) {
434 if (*p1++ == '\0') {
435 v0 = 0;
436 pc0 = ra;
437 return;
438 }
439 }
440
441 v0 = (*p1 - *--p2);
442 pc0 = ra;
443}
444
445void psxBios_strncmp() { // 0x18
446 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
447 s32 n = a2;
448
449#ifdef PSXBIOS_LOG
450 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2);
451#endif
452
453 while (--n >= 0 && *p1 == *p2++) {
454 if (*p1++ == '\0') {
455 v0 = 0;
456 pc0 = ra;
457 return;
458 }
459 }
460
461 v0 = (n < 0 ? 0 : *p1 - *--p2);
462 pc0 = ra;
463}
464
465void psxBios_strcpy() { // 0x19
466 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
467 while ((*p1++ = *p2++) != '\0');
468
469 v0 = a0; pc0 = ra;
470}
471
472void psxBios_strncpy() { // 0x1a
473 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
474 s32 n = a2, i;
475
476 for (i = 0; i < n; i++) {
477 if ((*p1++ = *p2++) == '\0') {
478 while (++i < n) {
479 *p1++ = '\0';
480 }
481 v0 = a0; pc0 = ra;
482 return;
483 }
484 }
485
486 v0 = a0; pc0 = ra;
487}
488
489void psxBios_strlen() { // 0x1b
490 char *p = (char *)Ra0;
491 v0 = 0;
492 while (*p++) v0++;
493 pc0 = ra;
494}
495
496void psxBios_index() { // 0x1c
497 char *p = (char *)Ra0;
498
499 do {
500 if (*p == a1) {
501 v0 = a0 + (p - (char *)Ra0);
502 pc0 = ra;
503 return;
504 }
505 } while (*p++ != '\0');
506
507 v0 = 0; pc0 = ra;
508}
509
510void psxBios_rindex() { // 0x1d
511 char *p = (char *)Ra0;
512
513 v0 = 0;
514
515 do {
516 if (*p == a1)
517 v0 = a0 + (p - (char *)Ra0);
518 } while (*p++ != '\0');
519
520 pc0 = ra;
521}
522
523void psxBios_strchr() { // 0x1e
524 psxBios_index();
525}
526
527void psxBios_strrchr() { // 0x1f
528 psxBios_rindex();
529}
530
531void psxBios_strpbrk() { // 0x20
532 char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc;
533
534 while ((c = *p1++) != '\0') {
535 for (scanp = p2; (sc = *scanp++) != '\0';) {
536 if (sc == c) {
537 v0 = a0 + (p1 - 1 - (char *)Ra0);
538 pc0 = ra;
539 return;
540 }
541 }
542 }
543
544 // BUG: return a0 instead of NULL if not found
545 v0 = a0; pc0 = ra;
546}
547
548void psxBios_strspn() { // 0x21
549 char *p1, *p2;
550
551 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
552 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
553 if (*p2 == '\0') break;
554 }
555
556 v0 = p1 - (char *)Ra0; pc0 = ra;
557}
558
559void psxBios_strcspn() { // 0x22
560 char *p1, *p2;
561
562 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
563 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
564 if (*p2 != '\0') break;
565 }
566
567 v0 = p1 - (char *)Ra0; pc0 = ra;
568}
569
570void psxBios_strtok() { // 0x23
571 char *pcA0 = (char *)Ra0;
572 char *pcRet = strtok(pcA0, (char *)Ra1);
573 if (pcRet)
574 v0 = a0 + pcRet - pcA0;
575 else
576 v0 = 0;
577 pc0 = ra;
578}
579
580void psxBios_strstr() { // 0x24
581 char *p = (char *)Ra0, *p1, *p2;
582
583 while (*p != '\0') {
584 p1 = p;
585 p2 = (char *)Ra1;
586
587 while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) {
588 p1++; p2++;
589 }
590
591 if (*p2 == '\0') {
592 v0 = a0 + (p - (char *)Ra0);
593 pc0 = ra;
594 return;
595 }
596
597 p++;
598 }
599
600 v0 = 0; pc0 = ra;
601}
602
603void psxBios_toupper() { // 0x25
604 v0 = (s8)(a0 & 0xff);
605 if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A';
606 pc0 = ra;
607}
608
609void psxBios_tolower() { // 0x26
610 v0 = (s8)(a0 & 0xff);
611 if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A';
612 pc0 = ra;
613}
614
615void psxBios_bcopy() { // 0x27
616 char *p1 = (char *)Ra1, *p2 = (char *)Ra0;
5ec7acdf 617 while ((s32)a2-- > 0) *p1++ = *p2++;
ef79bbde
P		 618
619 pc0 = ra;
620}
621
622void psxBios_bzero() { // 0x28
623 char *p = (char *)Ra0;
5ec7acdf 624 while ((s32)a1-- > 0) *p++ = '\0';
ef79bbde
P		 625
626 pc0 = ra;
627}
628
629void psxBios_bcmp() { // 0x29
630 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
631
632 if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; }
633
5ec7acdf 634 while ((s32)a2-- > 0) {
ef79bbde
P		 635 if (*p1++ != *p2++) {
636 v0 = *p1 - *p2; // BUG: compare the NEXT byte
637 pc0 = ra;
638 return;
639 }
640 }
641
642 v0 = 0; pc0 = ra;
643}
644
645void psxBios_memcpy() { // 0x2a
646 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
5ec7acdf 647 while ((s32)a2-- > 0) *p1++ = *p2++;
ef79bbde
P		 648
649 v0 = a0; pc0 = ra;
650}
651
652void psxBios_memset() { // 0x2b
653 char *p = (char *)Ra0;
5ec7acdf 654 while ((s32)a2-- > 0) *p++ = (char)a1;
ef79bbde 655
5ec7acdf 656 a2 = 0;
ef79bbde
P		 657 v0 = a0; pc0 = ra;
658}
659
660void psxBios_memmove() { // 0x2c
661 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
662
663 if (p2 <= p1 && p2 + a2 > p1) {
664 a2++; // BUG: copy one more byte here
665 p1 += a2;
666 p2 += a2;
5ec7acdf 667 while ((s32)a2-- > 0) *--p1 = *--p2;
ef79bbde 668 } else {
5ec7acdf 669 while ((s32)a2-- > 0) *p1++ = *p2++;
ef79bbde
P		 670 }
671
672 v0 = a0; pc0 = ra;
673}
674
675void psxBios_memcmp() { // 0x2d
676 psxBios_bcmp();
677}
678
679void psxBios_memchr() { // 0x2e
680 char *p = (char *)Ra0;
681
5ec7acdf 682 while ((s32)a2-- > 0) {
ef79bbde
P		 683 if (*p++ != (s8)a1) continue;
684 v0 = a0 + (p - (char *)Ra0 - 1);
685 pc0 = ra;
686 return;
687 }
688
689 v0 = 0; pc0 = ra;
690}
691
692void psxBios_rand() { // 0x2f
693 u32 s = psxMu32(0x9010) * 1103515245 + 12345;
694 v0 = (s >> 16) & 0x7fff;
695 psxMu32ref(0x9010) = SWAPu32(s);
696 pc0 = ra;
697}
698
699void psxBios_srand() { // 0x30
700 psxMu32ref(0x9010) = SWAPu32(a0);
701 pc0 = ra;
702}
703
704static u32 qscmpfunc, qswidth;
705
706static inline int qscmp(char *a, char *b) {
707 u32 sa0 = a0;
708
709 a0 = sa0 + (a - (char *)PSXM(sa0));
710 a1 = sa0 + (b - (char *)PSXM(sa0));
711
712 softCall2(qscmpfunc);
713
714 a0 = sa0;
715 return (s32)v0;
716}
717
718static inline void qexchange(char *i, char *j) {
719 char t;
720 int n = qswidth;
721
722 do {
723 t = *i;
724 *i++ = *j;
725 *j++ = t;
726 } while (--n);
727}
728
729static inline void q3exchange(char *i, char *j, char *k) {
730 char t;
731 int n = qswidth;
732
733 do {
734 t = *i;
735 *i++ = *k;
736 *k++ = *j;
737 *j++ = t;
738 } while (--n);
739}
740
741static void qsort_main(char *a, char *l) {
742 char *i, *j, *lp, *hp;
743 int c;
744 unsigned int n;
745
746start:
747 if ((n = l - a) <= qswidth)
748 return;
749 n = qswidth * (n / (2 * qswidth));
750 hp = lp = a + n;
751 i = a;
752 j = l - qswidth;
753 while (TRUE) {
754 if (i < lp) {
755 if ((c = qscmp(i, lp)) == 0) {
756 qexchange(i, lp -= qswidth);
757 continue;
758 }
759 if (c < 0) {
760 i += qswidth;
761 continue;
762 }
763 }
764
765loop:
766 if (j > hp) {
767 if ((c = qscmp(hp, j)) == 0) {
768 qexchange(hp += qswidth, j);
769 goto loop;
770 }
771 if (c > 0) {
772 if (i == lp) {
773 q3exchange(i, hp += qswidth, j);
774 i = lp += qswidth;
775 goto loop;
776 }
777 qexchange(i, j);
778 j -= qswidth;
779 i += qswidth;
780 continue;
781 }
782 j -= qswidth;
783 goto loop;
784 }
785
786 if (i == lp) {
787 if (lp - a >= l - hp) {
788 qsort_main(hp + qswidth, l);
789 l = lp;
790 } else {
791 qsort_main(a, lp);
792 a = hp + qswidth;
793 }
794 goto start;
795 }
796
797 q3exchange(j, lp -= qswidth, i);
798 j = hp -= qswidth;
799 }
800}
801
802void psxBios_qsort() { // 0x31
803 qswidth = a2;
804 qscmpfunc = a3;
805 qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
806
807 pc0 = ra;
808}
809
810void psxBios_malloc() { // 0x33
808a13bd 811 unsigned int *chunk, *newchunk = NULL;
812 unsigned int dsize = 0, csize, cstat;
ef79bbde
P		 813 int colflag;
814#ifdef PSXBIOS_LOG
815 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
816#endif
817
818 // scan through heap and combine free chunks of space
819 chunk = heap_addr;
820 colflag = 0;
821 while(chunk < heap_end) {
822 // get size and status of actual chunk
823 csize = ((u32)*chunk) & 0xfffffffc;
824 cstat = ((u32)*chunk) & 1;
825
826 // it's a free chunk
827 if(cstat == 1) {
828 if(colflag == 0) {
829 newchunk = chunk;
830 dsize = csize;
831 colflag = 1; // let's begin a new collection of free memory
832 }
833 else dsize += (csize+4); // add the new size including header
834 }
835 // not a free chunk: did we start a collection ?
836 else {
837 if(colflag == 1) { // collection is over
838 colflag = 0;
839 *newchunk = SWAP32(dsize | 1);
840 }
841 }
842
843 // next chunk
844 chunk = (u32*)((uptr)chunk + csize + 4);
845 }
846 // if neccessary free memory on end of heap
847 if (colflag == 1)
848 *newchunk = SWAP32(dsize | 1);
849
850 chunk = heap_addr;
851 csize = ((u32)*chunk) & 0xfffffffc;
852 cstat = ((u32)*chunk) & 1;
853 dsize = (a0 + 3) & 0xfffffffc;
854
855 // exit on uninitialized heap
856 if (chunk == NULL) {
857 SysPrintf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
858 v0 = 0;
859 pc0 = ra;
860 return;
861 }
862
863 // search an unused chunk that is big enough until the end of the heap
864 while ((dsize > csize || cstat == 0) && chunk < heap_end ) {
865 chunk = (u32*)((uptr)chunk + csize + 4);
866 csize = ((u32)*chunk) & 0xfffffffc;
867 cstat = ((u32)*chunk) & 1;
868 }
869
870 // catch out of memory
871 if(chunk >= heap_end) { SysPrintf("malloc %x,%x: Out of memory error!\n", v0, a0); v0 = 0; pc0 = ra; return; }
872
873 // allocate memory
874 if(dsize == csize) {
875 // chunk has same size
876 *chunk &= 0xfffffffc;
877 }
878 else {
879 // split free chunk
880 *chunk = SWAP32(dsize);
881 newchunk = (u32*)((uptr)chunk + dsize + 4);
808a13bd 882 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
ef79bbde
P		 883 }
884
885 // return pointer to allocated memory
886 v0 = ((unsigned long)chunk - (unsigned long)psxM) + 4;
887 v0|= 0x80000000;
888 SysPrintf ("malloc %x,%x\n", v0, a0);
889 pc0 = ra;
890}
891
892void psxBios_free() { // 0x34
893
894#ifdef PSXBIOS_LOG
895 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
896#endif
897
898 SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
899
900 *(u32*)(Ra0-4) |= 1; // set chunk to free
901 pc0 = ra;
902}
903
904void psxBios_calloc() { // 0x37
02949f79 905 void *pv0;
ef79bbde
P		 906#ifdef PSXBIOS_LOG
907 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
908#endif
909
910 a0 = a0 * a1;
911 psxBios_malloc();
02949f79 912 pv0 = Rv0;
913 if (pv0)
914 memset(pv0, 0, a0);
ef79bbde
P		 915}
916
917void psxBios_realloc() { // 0x38
918 u32 block = a0;
919 u32 size = a1;
920#ifdef PSXBIOS_LOG
921 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
922#endif
923
924 a0 = block;
925 psxBios_free();
926 a0 = size;
927 psxBios_malloc();
928}
929
930
931/* InitHeap(void *block , int n) */
932void psxBios_InitHeap() { // 0x39
933 unsigned int size;
934
935#ifdef PSXBIOS_LOG
936 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
937#endif
938
939 if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
940 else size = a1;
941
942 size &= 0xfffffffc;
943
944 heap_addr = (u32 *)Ra0;
945 heap_end = (u32 *)((u8 *)heap_addr + size);
946 *heap_addr = SWAP32(size | 1);
947
c979c3ee 948 SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
ef79bbde
P		 949
950 pc0 = ra;
951}
952
953void psxBios_getchar() { //0x3b
954 v0 = getchar(); pc0 = ra;
955}
956
957void psxBios_printf() { // 0x3f
958 char tmp[1024];
959 char tmp2[1024];
960 u32 save[4];
961 char *ptmp = tmp;
962 int n=1, i=0, j;
02949f79 963 void *psp;
964
965 psp = PSXM(sp);
966 if (psp) {
967 memcpy(save, psp, 4 * 4);
968 psxMu32ref(sp) = SWAP32((u32)a0);
969 psxMu32ref(sp + 4) = SWAP32((u32)a1);
970 psxMu32ref(sp + 8) = SWAP32((u32)a2);
971 psxMu32ref(sp + 12) = SWAP32((u32)a3);
972 }
ef79bbde
P		 973
974 while (Ra0[i]) {
975 switch (Ra0[i]) {
976 case '%':
977 j = 0;
978 tmp2[j++] = '%';
979_start:
980 switch (Ra0[++i]) {
981 case '.':
982 case 'l':
983 tmp2[j++] = Ra0[i]; goto _start;
984 default:
985 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
986 tmp2[j++] = Ra0[i];
987 goto _start;
988 }
989 break;
990 }
991 tmp2[j++] = Ra0[i];
992 tmp2[j] = 0;
993
994 switch (Ra0[i]) {
995 case 'f': case 'F':
996 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
997 case 'a': case 'A':
998 case 'e': case 'E':
999 case 'g': case 'G':
1000 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
1001 case 'p':
888468ff 1002 case 'i': case 'u':
ef79bbde
P		 1003 case 'd': case 'D':
1004 case 'o': case 'O':
1005 case 'x': case 'X':
1006 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
1007 case 'c':
1008 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
1009 case 's':
1010 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1011 case '%':
1012 *ptmp++ = Ra0[i]; break;
1013 }
1014 i++;
1015 break;
1016 default:
1017 *ptmp++ = Ra0[i++];
1018 }
1019 }
1020 *ptmp = 0;
1021
02949f79 1022 if (psp)
1023 memcpy(psp, save, 4 * 4);
ef79bbde 1024
808a13bd 1025 SysPrintf("%s", tmp);
ef79bbde
P		 1026
1027 pc0 = ra;
1028}
1029
e7e1f572 1030void psxBios_format() { // 0x41
1031 if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0')
1032 {
1033 CreateMcd(Config.Mcd1);
1034 LoadMcd(1, Config.Mcd1);
1035 v0 = 1;
1036 }
1037 else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0')
1038 {
1039 CreateMcd(Config.Mcd2);
1040 LoadMcd(2, Config.Mcd2);
1041 v0 = 1;
1042 }
1043 else
1044 {
1045 v0 = 0;
1046 }
1047 pc0 = ra;
1048}
1049
ef79bbde
P		 1050/*
1051 * long Load(char *name, struct EXEC *header);
1052 */
1053
1054void psxBios_Load() { // 0x42
1055 EXE_HEADER eheader;
02949f79 1056 void *pa1;
ef79bbde
P		 1057
1058#ifdef PSXBIOS_LOG
1059 PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1060#endif
1061
02949f79 1062 pa1 = Ra1;
1063 if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) {
1064 memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC));
ef79bbde
P		 1065 v0 = 1;
1066 } else v0 = 0;
1067
1068 pc0 = ra;
1069}
1070
1071/*
1072 * int Exec(struct EXEC *header , int argc , char **argv);
1073 */
1074
1075void psxBios_Exec() { // 43
1076 EXEC *header = (EXEC*)Ra0;
1077 u32 tmp;
1078
1079#ifdef PSXBIOS_LOG
1080 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1081#endif
1082
1083 header->_sp = sp;
1084 header->_fp = fp;
1085 header->_sp = sp;
1086 header->_gp = gp;
1087 header->ret = ra;
1088 header->base = s0;
1089
1090 if (header->S_addr != 0) {
1091 tmp = header->S_addr + header->s_size;
1092 sp = tmp;
1093 fp = sp;
1094 }
1095
1096 gp = header->gp0;
1097
1098 s0 = a0;
1099
1100 a0 = a1;
1101 a1 = a2;
1102
1103 ra = 0x8000;
1104 pc0 = header->_pc0;
1105}
1106
1107void psxBios_FlushCache() { // 44
1108#ifdef PSXBIOS_LOG
1109 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1110#endif
1111
1112 pc0 = ra;
1113}
1114
1115void psxBios_GPU_dw() { // 0x46
1116 int size;
1117 s32 *ptr;
1118
1119#ifdef PSXBIOS_LOG
1120 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1121#endif
1122
1123 GPU_writeData(0xa0000000);
1124 GPU_writeData((a1<<16)|(a0&0xffff));
1125 GPU_writeData((a3<<16)|(a2&0xffff));
1126 size = (a2*a3+1)/2;
1127 ptr = (s32*)PSXM(Rsp[4]); //that is correct?
1128 do {
1129 GPU_writeData(SWAP32(*ptr));
1130 ptr++;
1131 } while(--size);
1132
1133 pc0 = ra;
1134}
1135
1136void psxBios_mem2vram() { // 0x47
1137 int size;
1138
1139 GPU_writeData(0xa0000000);
1140 GPU_writeData((a1<<16)|(a0&0xffff));
1141 GPU_writeData((a3<<16)|(a2&0xffff));
1142 size = (a2*a3+1)/2;
1143 GPU_writeStatus(0x04000002);
1144 psxHwWrite32(0x1f8010f4,0);
1145 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1146 psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1147 psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1148 psxHwWrite32(0x1f8010a8,0x01000201);
1149
1150 pc0 = ra;
1151}
1152
1153void psxBios_SendGPU() { // 0x48
1154 GPU_writeStatus(a0);
ddbaf678 1155 gpuSyncPluginSR();
ef79bbde
P		 1156 pc0 = ra;
1157}
1158
1159void psxBios_GPU_cw() { // 0x49
1160 GPU_writeData(a0);
1161 pc0 = ra;
1162}
1163
1164void psxBios_GPU_cwb() { // 0x4a
1165 s32 *ptr = (s32*)Ra0;
1166 int size = a1;
1167 while(size--) {
1168 GPU_writeData(SWAP32(*ptr));
1169 ptr++;
1170 }
1171
1172 pc0 = ra;
1173}
1174
1175void psxBios_GPU_SendPackets() { //4b:
1176 GPU_writeStatus(0x04000002);
1177 psxHwWrite32(0x1f8010f4,0);
1178 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1179 psxHwWrite32(0x1f8010a0,a0);
1180 psxHwWrite32(0x1f8010a4,0);
1181 psxHwWrite32(0x1f8010a8,0x010000401);
1182 pc0 = ra;
1183}
1184
1185void psxBios_sys_a0_4c() { // 0x4c GPU relate
1186 psxHwWrite32(0x1f8010a8,0x00000401);
1187 GPU_writeData(0x0400000);
1188 GPU_writeData(0x0200000);
1189 GPU_writeData(0x0100000);
1190
1191 pc0 = ra;
1192}
1193
1194void psxBios_GPU_GetGPUStatus() { // 0x4d
1195 v0 = GPU_readStatus();
1196 pc0 = ra;
1197}
1198
1199#undef s_addr
1200
1201void psxBios_LoadExec() { // 51
1202 EXEC *header = (EXEC*)PSXM(0xf000);
1203 u32 s_addr, s_size;
1204
1205#ifdef PSXBIOS_LOG
1206 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1207#endif
1208 s_addr = a1; s_size = a2;
1209
1210 a1 = 0xf000;
1211 psxBios_Load();
1212
1213 header->S_addr = s_addr;
1214 header->s_size = s_size;
1215
1216 a0 = 0xf000; a1 = 0; a2 = 0;
1217 psxBios_Exec();
1218}
1219
1220void psxBios__bu_init() { // 70
1221#ifdef PSXBIOS_LOG
1222 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1223#endif
1224
1225 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1226 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1227
1228 pc0 = ra;
1229}
1230
1231void psxBios__96_init() { // 71
1232#ifdef PSXBIOS_LOG
1233 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1234#endif
1235
1236 pc0 = ra;
1237}
1238
1239void psxBios__96_remove() { // 72
1240#ifdef PSXBIOS_LOG
1241 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1242#endif
1243
1244 pc0 = ra;
1245}
1246
1247void psxBios_SetMem() { // 9f
1248 u32 new = psxHu32(0x1060);
1249
1250#ifdef PSXBIOS_LOG
1251 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1252#endif
1253
1254 switch(a0) {
1255 case 2:
1256 psxHu32ref(0x1060) = SWAP32(new);
1257 psxMu32ref(0x060) = a0;
1258 SysPrintf("Change effective memory : %d MBytes\n",a0);
1259 break;
1260
1261 case 8:
1262 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1263 psxMu32ref(0x060) = a0;
1264 SysPrintf("Change effective memory : %d MBytes\n",a0);
1265
1266 default:
1267 SysPrintf("Effective memory must be 2/8 MBytes\n");
1268 break;
1269 }
1270
1271 pc0 = ra;
1272}
1273
1274void psxBios__card_info() { // ab
5bf56268 1275 u8 ret, port;
ef79bbde
P		 1276#ifdef PSXBIOS_LOG
1277 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1278#endif
1279
e9fda093 1280 card_active_chan = a0;
5bf56268 1281 port = card_active_chan >> 4;
1282
1283 switch (port) {
1284 case 0x0:
1285 case 0x1:
1286 ret = 0x2;
1287 if (McdDisable[port & 1])
1288 ret = 0x8;
1289 break;
1290 default:
1291#ifdef PSXBIOS_LOG
1292 PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan);
1293#endif
1294 ret = 0x11;
1295 break;
1296 }
1297
1298 if (McdDisable[0] && McdDisable[1])
1299 ret = 0x8;
e9fda093 1300
ef79bbde 1301// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
5bf56268 1302// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1303 DeliverEvent(0x81, ret); // 0xf4000001, 0x0004
ef79bbde
P		 1304
1305 v0 = 1; pc0 = ra;
1306}
1307
1308void psxBios__card_load() { // ac
1309#ifdef PSXBIOS_LOG
1310 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1311#endif
1312
e9fda093 1313 card_active_chan = a0;
1314
ef79bbde
P		 1315// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1316 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1317
1318 v0 = 1; pc0 = ra;
1319}
1320
1321/* System calls B0 */
1322
1323void psxBios_SetRCnt() { // 02
1324#ifdef PSXBIOS_LOG
1325 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1326#endif
1327
1328 a0&= 0x3;
1329 if (a0 != 3) {
1330 u32 mode=0;
1331
1332 psxRcntWtarget(a0, a1);
1333 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1334 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1335 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1336 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1337 else { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1338
1339 psxRcntWmode(a0, mode);
1340 }
1341 pc0 = ra;
1342}
1343
1344void psxBios_GetRCnt() { // 03
1345#ifdef PSXBIOS_LOG
1346 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1347#endif
1348
1349 a0&= 0x3;
1350 if (a0 != 3) v0 = psxRcntRcount(a0);
1351 else v0 = 0;
1352 pc0 = ra;
1353}
1354
1355void psxBios_StartRCnt() { // 04
1356#ifdef PSXBIOS_LOG
1357 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1358#endif
1359
1360 a0&= 0x3;
1361 if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1362 else psxHu32ref(0x1074)|= SWAPu32(0x1);
1363 v0 = 1; pc0 = ra;
1364}
1365
1366void psxBios_StopRCnt() { // 05
1367#ifdef PSXBIOS_LOG
1368 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1369#endif
1370
1371 a0&= 0x3;
1372 if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1373 else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1374 pc0 = ra;
1375}
1376
1377void psxBios_ResetRCnt() { // 06
1378#ifdef PSXBIOS_LOG
1379 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1380#endif
1381
1382 a0&= 0x3;
1383 if (a0 != 3) {
1384 psxRcntWmode(a0, 0);
1385 psxRcntWtarget(a0, 0);
1386 psxRcntWcount(a0, 0);
1387 }
1388 pc0 = ra;
1389}
1390
1391
1392/* gets ev for use with Event */
1393#define GetEv() \
1394 ev = (a0 >> 24) & 0xf; \
1395 if (ev == 0xf) ev = 0x5; \
1396 ev*= 32; \
1397 ev+= a0&0x1f;
1398
1399/* gets spec for use with Event */
1400#define GetSpec() \
1401 spec = 0; \
1402 switch (a1) { \
1403 case 0x0301: spec = 16; break; \
1404 case 0x0302: spec = 17; break; \
1405 default: \
1406 for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1407 break; \
1408 }
1409
1410void psxBios_DeliverEvent() { // 07
1411 int ev, spec;
1412 int i;
1413
1414 GetEv();
1415 GetSpec();
1416
1417#ifdef PSXBIOS_LOG
1418 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1419#endif
1420
1421 DeliverEvent(ev, spec);
1422
1423 pc0 = ra;
1424}
1425
1426void psxBios_OpenEvent() { // 08
1427 int ev, spec;
1428 int i;
1429
1430 GetEv();
1431 GetSpec();
1432
1433#ifdef PSXBIOS_LOG
1434 PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1435#endif
1436
1437 Event[ev][spec].status = EvStWAIT;
1438 Event[ev][spec].mode = a2;
1439 Event[ev][spec].fhandler = a3;
1440
1441 v0 = ev | (spec << 8);
1442 pc0 = ra;
1443}
1444
1445void psxBios_CloseEvent() { // 09
1446 int ev, spec;
1447
1448 ev = a0 & 0xff;
1449 spec = (a0 >> 8) & 0xff;
1450
1451#ifdef PSXBIOS_LOG
1452 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1453#endif
1454
1455 Event[ev][spec].status = EvStUNUSED;
1456
1457 v0 = 1; pc0 = ra;
1458}
1459
1460void psxBios_WaitEvent() { // 0a
1461 int ev, spec;
1462
1463 ev = a0 & 0xff;
1464 spec = (a0 >> 8) & 0xff;
1465
1466#ifdef PSXBIOS_LOG
1467 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1468#endif
1469
1470 Event[ev][spec].status = EvStACTIVE;
1471
1472 v0 = 1; pc0 = ra;
1473}
1474
1475void psxBios_TestEvent() { // 0b
1476 int ev, spec;
1477
1478 ev = a0 & 0xff;
1479 spec = (a0 >> 8) & 0xff;
1480
1481 if (Event[ev][spec].status == EvStALREADY) {
1482 Event[ev][spec].status = EvStACTIVE; v0 = 1;
1483 } else v0 = 0;
1484
1485#ifdef PSXBIOS_LOG
1486 PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1487#endif
1488
1489 pc0 = ra;
1490}
1491
1492void psxBios_EnableEvent() { // 0c
1493 int ev, spec;
1494
1495 ev = a0 & 0xff;
1496 spec = (a0 >> 8) & 0xff;
1497
1498#ifdef PSXBIOS_LOG
1499 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1500#endif
1501
1502 Event[ev][spec].status = EvStACTIVE;
1503
1504 v0 = 1; pc0 = ra;
1505}
1506
1507void psxBios_DisableEvent() { // 0d
1508 int ev, spec;
1509
1510 ev = a0 & 0xff;
1511 spec = (a0 >> 8) & 0xff;
1512
1513#ifdef PSXBIOS_LOG
1514 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1515#endif
1516
1517 Event[ev][spec].status = EvStWAIT;
1518
1519 v0 = 1; pc0 = ra;
1520}
1521
1522/*
1523 * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1524 */
1525
1526void psxBios_OpenTh() { // 0e
1527 int th;
1528
1529 for (th=1; th<8; th++)
1530 if (Thread[th].status == 0) break;
1531
1532#ifdef PSXBIOS_LOG
1533 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1534#endif
1535
1536 Thread[th].status = 1;
1537 Thread[th].func = a0;
1538 Thread[th].reg[29] = a1;
1539 Thread[th].reg[28] = a2;
1540
1541 v0 = th; pc0 = ra;
1542}
1543
1544/*
1545 * int CloseTh(long thread);
1546 */
1547
1548void psxBios_CloseTh() { // 0f
1549 int th = a0 & 0xff;
1550
1551#ifdef PSXBIOS_LOG
1552 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1553#endif
1554
1555 if (Thread[th].status == 0) {
1556 v0 = 0;
1557 } else {
1558 Thread[th].status = 0;
1559 v0 = 1;
1560 }
1561
1562 pc0 = ra;
1563}
1564
1565/*
1566 * int ChangeTh(long thread);
1567 */
1568
1569void psxBios_ChangeTh() { // 10
1570 int th = a0 & 0xff;
1571
1572#ifdef PSXBIOS_LOG
1573// PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1574#endif
1575
1576 if (Thread[th].status == 0 || CurThread == th) {
1577 v0 = 0;
1578
1579 pc0 = ra;
1580 } else {
1581 v0 = 1;
1582
1583 if (Thread[CurThread].status == 2) {
1584 Thread[CurThread].status = 1;
1585 Thread[CurThread].func = ra;
1586 memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1587 }
1588
1589 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1590 pc0 = Thread[th].func;
1591 Thread[th].status = 2;
1592 CurThread = th;
1593 }
1594}
1595
1596void psxBios_InitPAD() { // 0x12
1597#ifdef PSXBIOS_LOG
1598 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1599#endif
1600
1601 pad_buf1 = (char*)Ra0;
1602 pad_buf1len = a1;
1603 pad_buf2 = (char*)Ra2;
1604 pad_buf2len = a3;
1605
1606 v0 = 1; pc0 = ra;
1607}
1608
1609void psxBios_StartPAD() { // 13
1610#ifdef PSXBIOS_LOG
1611 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1612#endif
1613
1614 psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1615 psxRegs.CP0.n.Status |= 0x401;
1616 pc0 = ra;
1617}
1618
1619void psxBios_StopPAD() { // 14
1620#ifdef PSXBIOS_LOG
1621 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1622#endif
1623
1624 pad_buf1 = NULL;
1625 pad_buf2 = NULL;
1626 pc0 = ra;
1627}
1628
1629void psxBios_PAD_init() { // 15
1630#ifdef PSXBIOS_LOG
1631 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1632#endif
1633 psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1634 pad_buf = (int *)Ra1;
1635 *pad_buf = -1;
1636 psxRegs.CP0.n.Status |= 0x401;
1637 pc0 = ra;
1638}
1639
1640void psxBios_PAD_dr() { // 16
1641#ifdef PSXBIOS_LOG
1642 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1643#endif
1644
1645 v0 = -1; pc0 = ra;
1646}
1647
1648void psxBios_ReturnFromException() { // 17
1649 LoadRegs();
1650
1651 pc0 = psxRegs.CP0.n.EPC;
1652 if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1653
1654 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1655 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1656}
1657
1658void psxBios_ResetEntryInt() { // 18
1659#ifdef PSXBIOS_LOG
1660 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1661#endif
1662
1663 jmp_int = NULL;
1664 pc0 = ra;
1665}
1666
1667void psxBios_HookEntryInt() { // 19
1668#ifdef PSXBIOS_LOG
1669 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
1670#endif
1671
1672 jmp_int = (u32*)Ra0;
1673 pc0 = ra;
1674}
1675
1676void psxBios_UnDeliverEvent() { // 0x20
1677 int ev, spec;
1678 int i;
1679
1680 GetEv();
1681 GetSpec();
1682
1683#ifdef PSXBIOS_LOG
1684 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
1685#endif
1686
1687 if (Event[ev][spec].status == EvStALREADY &&
1688 Event[ev][spec].mode == EvMdNOINTR)
1689 Event[ev][spec].status = EvStACTIVE;
1690
1691 pc0 = ra;
1692}
1693
1694#define buopen(mcd) { \
1695 strcpy(FDesc[1 + mcd].name, Ra0+5); \
1696 FDesc[1 + mcd].offset = 0; \
1697 FDesc[1 + mcd].mode = a1; \
1698 \
1699 for (i=1; i<16; i++) { \
1700 ptr = Mcd##mcd##Data + 128 * i; \
1701 if ((*ptr & 0xF0) != 0x50) continue; \
1702 if (strcmp(FDesc[1 + mcd].name, ptr+0xa)) continue; \
1703 FDesc[1 + mcd].mcfile = i; \
1704 SysPrintf("open %s\n", ptr+0xa); \
1705 v0 = 1 + mcd; \
1706 break; \
1707 } \
1708 if (a1 & 0x200 && v0 == -1) { /* FCREAT */ \
1709 for (i=1; i<16; i++) { \
1710 int j, xor = 0; \
1711 \
1712 ptr = Mcd##mcd##Data + 128 * i; \
1713 if ((*ptr & 0xF0) == 0x50) continue; \
1714 ptr[0] = 0x50 | (u8)(a1 >> 16); \
1715 ptr[4] = 0x00; \
1716 ptr[5] = 0x20; \
1717 ptr[6] = 0x00; \
1718 ptr[7] = 0x00; \
1719 ptr[8] = 'B'; \
1720 ptr[9] = 'I'; \
1721 strcpy(ptr+0xa, FDesc[1 + mcd].name); \
1722 for (j=0; j<127; j++) xor^= ptr[j]; \
1723 ptr[127] = xor; \
1724 FDesc[1 + mcd].mcfile = i; \
1725 SysPrintf("openC %s\n", ptr); \
1726 v0 = 1 + mcd; \
1727 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 128); \
1728 break; \
1729 } \
1730 } \
1731}
1732
1733/*
1734 * int open(char *name , int mode);
1735 */
1736
1737void psxBios_open() { // 0x32
1738 int i;
1739 char *ptr;
02949f79 1740 void *pa0 = Ra0;
ef79bbde
P		 1741
1742#ifdef PSXBIOS_LOG
1743 PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
1744#endif
1745
1746 v0 = -1;
1747
02949f79 1748 if (pa0) {
1749 if (!strncmp(pa0, "bu00", 4)) {
1750 buopen(1);
1751 }
ef79bbde 1752
02949f79 1753 if (!strncmp(pa0, "bu10", 4)) {
1754 buopen(2);
1755 }
ef79bbde
P		 1756 }
1757
1758 pc0 = ra;
1759}
1760
1761/*
1762 * int lseek(int fd , int offset , int whence);
1763 */
1764
1765void psxBios_lseek() { // 0x33
1766#ifdef PSXBIOS_LOG
1767 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
1768#endif
1769
1770 switch (a2) {
1771 case 0: // SEEK_SET
1772 FDesc[a0].offset = a1;
1773 v0 = a1;
1774// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1775// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1776 break;
1777
1778 case 1: // SEEK_CUR
1779 FDesc[a0].offset+= a1;
1780 v0 = FDesc[a0].offset;
1781 break;
1782 }
1783
1784 pc0 = ra;
1785}
1786
02949f79 1787#define buread(Ra1, mcd) { \
ef79bbde
P		 1788 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); \
1789 ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1790 memcpy(Ra1, ptr, a2); \
1791 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1792 else v0 = a2; \
1793 FDesc[1 + mcd].offset += v0; \
1794 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1795 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
1796}
1797
1798/*
1799 * int read(int fd , void *buf , int nbytes);
1800 */
1801
1802void psxBios_read() { // 0x34
1803 char *ptr;
02949f79 1804 void *pa1 = Ra1;
ef79bbde
P		 1805
1806#ifdef PSXBIOS_LOG
1807 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
1808#endif
1809
1810 v0 = -1;
1811
02949f79 1812 if (pa1) {
1813 switch (a0) {
1814 case 2: buread(pa1, 1); break;
1815 case 3: buread(pa1, 2); break;
1816 }
ef79bbde
P		 1817 }
1818
1819 pc0 = ra;
1820}
1821
02949f79 1822#define buwrite(Ra1, mcd) { \
ef79bbde
P		 1823 u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1824 SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \
1825 ptr = Mcd##mcd##Data + offset; \
1826 memcpy(ptr, Ra1, a2); \
1827 FDesc[1 + mcd].offset += a2; \
1828 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, offset, a2); \
1829 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1830 else v0 = a2; \
1831 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1832 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
1833}
1834
1835/*
1836 * int write(int fd , void *buf , int nbytes);
1837 */
1838
1839void psxBios_write() { // 0x35/0x03
1840 char *ptr;
02949f79 1841 void *pa1 = Ra1;
1842
1843#ifdef PSXBIOS_LOG
1844 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
1845#endif
1846
1847 v0 = -1;
1848 if (!pa1) {
1849 pc0 = ra;
1850 return;
1851 }
ef79bbde
P		 1852
1853 if (a0 == 1) { // stdout
02949f79 1854 char *ptr = pa1;
ef79bbde 1855
02949f79 1856 v0 = a2;
ef79bbde
P		 1857 while (a2 > 0) {
1858 SysPrintf("%c", *ptr++); a2--;
1859 }
1860 pc0 = ra; return;
1861 }
ef79bbde
P		 1862
1863 switch (a0) {
02949f79 1864 case 2: buwrite(pa1, 1); break;
1865 case 3: buwrite(pa1, 2); break;
ef79bbde
P		 1866 }
1867
1868 pc0 = ra;
1869}
1870
1871/*
1872 * int close(int fd);
1873 */
1874
1875void psxBios_close() { // 0x36
1876#ifdef PSXBIOS_LOG
1877 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
1878#endif
1879
1880 v0 = a0;
1881 pc0 = ra;
1882}
1883
1884void psxBios_putchar() { // 3d
1885 SysPrintf("%c", (char)a0);
1886 pc0 = ra;
1887}
1888
1889void psxBios_puts() { // 3e/3f
808a13bd 1890 SysPrintf("%s", Ra0);
ef79bbde
P		 1891 pc0 = ra;
1892}
1893
1894char ffile[64], *pfile;
1895int nfile;
1896
1897#define bufile(mcd) { \
1898 while (nfile < 16) { \
1899 int match=1; \
1900 \
1901 ptr = Mcd##mcd##Data + 128 * nfile; \
1902 nfile++; \
1903 if ((*ptr & 0xF0) != 0x50) continue; \
1904 ptr+= 0xa; \
1905 if (pfile[0] == 0) { \
507d7c1d 1906 strncpy(dir->name, ptr, sizeof(dir->name)); \
1907 dir->name[sizeof(dir->name) - 1] = '\0'; \
ef79bbde
P		 1908 } else for (i=0; i<20; i++) { \
1909 if (pfile[i] == ptr[i]) { \
1910 dir->name[i] = ptr[i]; \
1911 if (ptr[i] == 0) break; else continue; } \
1912 if (pfile[i] == '?') { \
1913 dir->name[i] = ptr[i]; continue; } \
1914 if (pfile[i] == '*') { \
1915 strcpy(dir->name+i, ptr+i); break; } \
1916 match = 0; break; \
1917 } \
1918 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
1919 if (match == 0) continue; \
1920 dir->size = 8192; \
1921 v0 = _dir; \
1922 break; \
1923 } \
1924}
1925
1926/*
1927 * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
1928 */
1929
1930void psxBios_firstfile() { // 42
1931 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
02949f79 1932 void *pa0 = Ra0;
ef79bbde
P		 1933 u32 _dir = a1;
1934 char *ptr;
1935 int i;
1936
1937#ifdef PSXBIOS_LOG
1938 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
1939#endif
1940
1941 v0 = 0;
1942
02949f79 1943 if (pa0) {
1944 strcpy(ffile, pa0);
1945 pfile = ffile+5;
1946 nfile = 1;
1947 if (!strncmp(pa0, "bu00", 4)) {
1948 bufile(1);
1949 } else if (!strncmp(pa0, "bu10", 4)) {
1950 bufile(2);
1951 }
ef79bbde
P		 1952 }
1953
66ade381 1954 // firstfile() calls _card_read() internally, so deliver it's event
1955 DeliverEvent(0x11, 0x2);
1956
ef79bbde
P		 1957 pc0 = ra;
1958}
1959
1960/*
1961 * struct DIRENTRY* nextfile(struct DIRENTRY *dir);
1962 */
1963
1964void psxBios_nextfile() { // 43
1965 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
1966 u32 _dir = a0;
1967 char *ptr;
1968 int i;
1969
1970#ifdef PSXBIOS_LOG
1971 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
1972#endif
1973
1974 v0 = 0;
1975
1976 if (!strncmp(ffile, "bu00", 4)) {
1977 bufile(1);
1978 }
1979
1980 if (!strncmp(ffile, "bu10", 4)) {
1981 bufile(2);
1982 }
1983
1984 pc0 = ra;
1985}
1986
1987#define burename(mcd) { \
1988 for (i=1; i<16; i++) { \
1989 int namelen, j, xor = 0; \
1990 ptr = Mcd##mcd##Data + 128 * i; \
1991 if ((*ptr & 0xF0) != 0x50) continue; \
1992 if (strcmp(Ra0+5, ptr+0xa)) continue; \
1993 namelen = strlen(Ra1+5); \
1994 memcpy(ptr+0xa, Ra1+5, namelen); \
1995 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
1996 for (j=0; j<127; j++) xor^= ptr[j]; \
1997 ptr[127] = xor; \
1998 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
1999 v0 = 1; \
2000 break; \
2001 } \
2002}
2003
2004/*
2005 * int rename(char *old, char *new);
2006 */
2007
2008void psxBios_rename() { // 44
02949f79 2009 void *pa0 = Ra0;
2010 void *pa1 = Ra1;
ef79bbde
P		 2011 char *ptr;
2012 int i;
2013
2014#ifdef PSXBIOS_LOG
2015 PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
2016#endif
2017
2018 v0 = 0;
2019
02949f79 2020 if (pa0 && pa1) {
2021 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
2022 burename(1);
2023 }
ef79bbde 2024
02949f79 2025 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
2026 burename(2);
2027 }
ef79bbde
P		 2028 }
2029
2030 pc0 = ra;
2031}
2032
2033
2034#define budelete(mcd) { \
2035 for (i=1; i<16; i++) { \
2036 ptr = Mcd##mcd##Data + 128 * i; \
2037 if ((*ptr & 0xF0) != 0x50) continue; \
2038 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2039 *ptr = (*ptr & 0xf) | 0xA0; \
2040 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
2041 SysPrintf("delete %s\n", ptr+0xa); \
2042 v0 = 1; \
2043 break; \
2044 } \
2045}
2046
2047/*
2048 * int delete(char *name);
2049 */
2050
2051void psxBios_delete() { // 45
02949f79 2052 void *pa0 = Ra0;
ef79bbde
P		 2053 char *ptr;
2054 int i;
2055
2056#ifdef PSXBIOS_LOG
2057 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2058#endif
2059
2060 v0 = 0;
2061
02949f79 2062 if (pa0) {
2063 if (!strncmp(pa0, "bu00", 4)) {
2064 budelete(1);
2065 }
ef79bbde 2066
02949f79 2067 if (!strncmp(pa0, "bu10", 4)) {
2068 budelete(2);
2069 }
ef79bbde
P		 2070 }
2071
2072 pc0 = ra;
2073}
2074
2075void psxBios_InitCARD() { // 4a
2076#ifdef PSXBIOS_LOG
2077 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2078#endif
2079
2080 CardState = 0;
2081
2082 pc0 = ra;
2083}
2084
2085void psxBios_StartCARD() { // 4b
2086#ifdef PSXBIOS_LOG
2087 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2088#endif
2089
2090 if (CardState == 0) CardState = 1;
2091
2092 pc0 = ra;
2093}
2094
2095void psxBios_StopCARD() { // 4c
2096#ifdef PSXBIOS_LOG
2097 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2098#endif
2099
2100 if (CardState == 1) CardState = 0;
2101
2102 pc0 = ra;
2103}
2104
2105void psxBios__card_write() { // 0x4e
02949f79 2106 void *pa2 = Ra2;
ef79bbde
P		 2107 int port;
2108
2109#ifdef PSXBIOS_LOG
2110 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2111#endif
2112
e9fda093 2113 card_active_chan = a0;
ef79bbde
P		 2114 port = a0 >> 4;
2115
02949f79 2116 if (pa2) {
2117 if (port == 0) {
2118 memcpy(Mcd1Data + a1 * 128, pa2, 128);
2119 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2120 } else {
2121 memcpy(Mcd2Data + a1 * 128, pa2, 128);
2122 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2123 }
ef79bbde
P		 2124 }
2125
2126 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2127// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2128
2129 v0 = 1; pc0 = ra;
2130}
2131
2132void psxBios__card_read() { // 0x4f
02949f79 2133 void *pa2 = Ra2;
ef79bbde
P		 2134 int port;
2135
2136#ifdef PSXBIOS_LOG
2137 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2138#endif
2139
e9fda093 2140 card_active_chan = a0;
ef79bbde
P		 2141 port = a0 >> 4;
2142
02949f79 2143 if (pa2) {
2144 if (port == 0) {
2145 memcpy(pa2, Mcd1Data + a1 * 128, 128);
2146 } else {
2147 memcpy(pa2, Mcd2Data + a1 * 128, 128);
2148 }
ef79bbde
P		 2149 }
2150
2151 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2152// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2153
2154 v0 = 1; pc0 = ra;
2155}
2156
2157void psxBios__new_card() { // 0x50
2158#ifdef PSXBIOS_LOG
2159 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2160#endif
2161
2162 pc0 = ra;
2163}
2164
2165void psxBios_Krom2RawAdd() { // 0x51
2166 int i = 0;
2167
2168 const u32 table_8140[][2] = {
2169 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2170 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2171 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2172 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2173 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2174 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2175 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2176 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2177 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2178 {0xffff, 0}
2179 };
2180
2181 const u32 table_889f[][2] = {
2182 {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4},
2183 {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304},
2184 {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14},
2185 {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24},
2186 {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734},
2187 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2188 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2189 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2190 {0xffff, 0}
2191 };
2192
2193 if (a0 >= 0x8140 && a0 <= 0x84be) {
2194 while (table_8140[i][0] <= a0) i++;
2195 a0 -= table_8140[i - 1][0];
2196 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2197 } else if (a0 >= 0x889f && a0 <= 0x9872) {
2198 while (table_889f[i][0] <= a0) i++;
2199 a0 -= table_889f[i - 1][0];
2200 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2201 } else {
2202 v0 = 0xffffffff;
2203 }
2204
2205 pc0 = ra;
2206}
2207
2208void psxBios_GetC0Table() { // 56
2209#ifdef PSXBIOS_LOG
2210 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2211#endif
2212
2213 v0 = 0x674; pc0 = ra;
2214}
2215
2216void psxBios_GetB0Table() { // 57
2217#ifdef PSXBIOS_LOG
2218 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2219#endif
2220
2221 v0 = 0x874; pc0 = ra;
2222}
2223
e9fda093 2224void psxBios__card_chan() { // 0x58
2225#ifdef PSXBIOS_LOG
2226 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2227#endif
2228
2229 v0 = card_active_chan;
2230 pc0 = ra;
2231}
2232
ef79bbde
P		 2233void psxBios_ChangeClearPad() { // 5b
2234#ifdef PSXBIOS_LOG
2235 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2236#endif
2237
2238 pc0 = ra;
2239}
2240
872515f9 2241void psxBios__card_status() { // 5c
2242#ifdef PSXBIOS_LOG
2243 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5c], a0);
2244#endif
2245
2246 v0 = 1;
2247 pc0 = ra;
2248}
2249
ef79bbde
P		 2250/* System calls C0 */
2251
2252/*
2253 * int SysEnqIntRP(int index , long *queue);
2254 */
2255
2256void psxBios_SysEnqIntRP() { // 02
2257#ifdef PSXBIOS_LOG
2258 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2259#endif
2260
2261 SysIntRP[a0] = a1;
2262
2263 v0 = 0; pc0 = ra;
2264}
2265
2266/*
2267 * int SysDeqIntRP(int index , long *queue);
2268 */
2269
2270void psxBios_SysDeqIntRP() { // 03
2271#ifdef PSXBIOS_LOG
2272 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2273#endif
2274
2275 SysIntRP[a0] = 0;
2276
2277 v0 = 0; pc0 = ra;
2278}
2279
2280void psxBios_ChangeClearRCnt() { // 0a
2281 u32 *ptr;
2282
2283#ifdef PSXBIOS_LOG
2284 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2285#endif
2286
2287 ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2288 v0 = *ptr;
2289 *ptr = a1;
2290
2291// psxRegs.CP0.n.Status|= 0x404;
2292 pc0 = ra;
2293}
2294
2295void psxBios_dummy() {
2296#ifdef PSXBIOS_LOG
2297 PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2298#endif
2299 pc0 = ra;
2300}
2301
2302void (*biosA0[256])();
2303void (*biosB0[256])();
2304void (*biosC0[256])();
2305
2306#include "sjisfont.h"
2307
2308void psxBiosInit() {
2309 u32 base, size;
2310 u32 *ptr;
2311 int i;
2312 uLongf len;
2313
2314 for(i = 0; i < 256; i++) {
2315 biosA0[i] = NULL;
2316 biosB0[i] = NULL;
2317 biosC0[i] = NULL;
2318 }
2319 biosA0[0x3e] = psxBios_puts;
2320 biosA0[0x3f] = psxBios_printf;
2321
2322 biosB0[0x3d] = psxBios_putchar;
2323 biosB0[0x3f] = psxBios_puts;
2324
2325 if (!Config.HLE) return;
2326
2327 for(i = 0; i < 256; i++) {
2328 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2329 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2330 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2331 }
2332
2333 biosA0[0x00] = psxBios_open;
2334 biosA0[0x01] = psxBios_lseek;
2335 biosA0[0x02] = psxBios_read;
2336 biosA0[0x03] = psxBios_write;
2337 biosA0[0x04] = psxBios_close;
2338 //biosA0[0x05] = psxBios_ioctl;
2339 //biosA0[0x06] = psxBios_exit;
2340 //biosA0[0x07] = psxBios_sys_a0_07;
2341 //biosA0[0x08] = psxBios_getc;
2342 //biosA0[0x09] = psxBios_putc;
2343 //biosA0[0x0a] = psxBios_todigit;
2344 //biosA0[0x0b] = psxBios_atof;
2345 //biosA0[0x0c] = psxBios_strtoul;
2346 //biosA0[0x0d] = psxBios_strtol;
2347 biosA0[0x0e] = psxBios_abs;
2348 biosA0[0x0f] = psxBios_labs;
2349 biosA0[0x10] = psxBios_atoi;
2350 biosA0[0x11] = psxBios_atol;
2351 //biosA0[0x12] = psxBios_atob;
2352 biosA0[0x13] = psxBios_setjmp;
2353 biosA0[0x14] = psxBios_longjmp;
2354 biosA0[0x15] = psxBios_strcat;
2355 biosA0[0x16] = psxBios_strncat;
2356 biosA0[0x17] = psxBios_strcmp;
2357 biosA0[0x18] = psxBios_strncmp;
2358 biosA0[0x19] = psxBios_strcpy;
2359 biosA0[0x1a] = psxBios_strncpy;
2360 biosA0[0x1b] = psxBios_strlen;
2361 biosA0[0x1c] = psxBios_index;
2362 biosA0[0x1d] = psxBios_rindex;
2363 biosA0[0x1e] = psxBios_strchr;
2364 biosA0[0x1f] = psxBios_strrchr;
2365 biosA0[0x20] = psxBios_strpbrk;
2366 biosA0[0x21] = psxBios_strspn;
2367 biosA0[0x22] = psxBios_strcspn;
2368 biosA0[0x23] = psxBios_strtok;
2369 biosA0[0x24] = psxBios_strstr;
2370 biosA0[0x25] = psxBios_toupper;
2371 biosA0[0x26] = psxBios_tolower;
2372 biosA0[0x27] = psxBios_bcopy;
2373 biosA0[0x28] = psxBios_bzero;
2374 biosA0[0x29] = psxBios_bcmp;
2375 biosA0[0x2a] = psxBios_memcpy;
2376 biosA0[0x2b] = psxBios_memset;
2377 biosA0[0x2c] = psxBios_memmove;
2378 biosA0[0x2d] = psxBios_memcmp;
2379 biosA0[0x2e] = psxBios_memchr;
2380 biosA0[0x2f] = psxBios_rand;
2381 biosA0[0x30] = psxBios_srand;
2382 biosA0[0x31] = psxBios_qsort;
2383 //biosA0[0x32] = psxBios_strtod;
2384 biosA0[0x33] = psxBios_malloc;
2385 biosA0[0x34] = psxBios_free;
2386 //biosA0[0x35] = psxBios_lsearch;
2387 //biosA0[0x36] = psxBios_bsearch;
2388 biosA0[0x37] = psxBios_calloc;
2389 biosA0[0x38] = psxBios_realloc;
2390 biosA0[0x39] = psxBios_InitHeap;
2391 //biosA0[0x3a] = psxBios__exit;
2392 biosA0[0x3b] = psxBios_getchar;
2393 biosA0[0x3c] = psxBios_putchar;
2394 //biosA0[0x3d] = psxBios_gets;
2395 //biosA0[0x40] = psxBios_sys_a0_40;
2396 //biosA0[0x41] = psxBios_LoadTest;
2397 biosA0[0x42] = psxBios_Load;
2398 biosA0[0x43] = psxBios_Exec;
2399 biosA0[0x44] = psxBios_FlushCache;
2400 //biosA0[0x45] = psxBios_InstallInterruptHandler;
2401 biosA0[0x46] = psxBios_GPU_dw;
2402 biosA0[0x47] = psxBios_mem2vram;
2403 biosA0[0x48] = psxBios_SendGPU;
2404 biosA0[0x49] = psxBios_GPU_cw;
2405 biosA0[0x4a] = psxBios_GPU_cwb;
2406 biosA0[0x4b] = psxBios_GPU_SendPackets;
2407 biosA0[0x4c] = psxBios_sys_a0_4c;
2408 biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2409 //biosA0[0x4e] = psxBios_GPU_sync;
2410 //biosA0[0x4f] = psxBios_sys_a0_4f;
2411 //biosA0[0x50] = psxBios_sys_a0_50;
2412 biosA0[0x51] = psxBios_LoadExec;
2413 //biosA0[0x52] = psxBios_GetSysSp;
2414 //biosA0[0x53] = psxBios_sys_a0_53;
2415 //biosA0[0x54] = psxBios__96_init_a54;
2416 //biosA0[0x55] = psxBios__bu_init_a55;
2417 //biosA0[0x56] = psxBios__96_remove_a56;
2418 //biosA0[0x57] = psxBios_sys_a0_57;
2419 //biosA0[0x58] = psxBios_sys_a0_58;
2420 //biosA0[0x59] = psxBios_sys_a0_59;
2421 //biosA0[0x5a] = psxBios_sys_a0_5a;
2422 //biosA0[0x5b] = psxBios_dev_tty_init;
2423 //biosA0[0x5c] = psxBios_dev_tty_open;
2424 //biosA0[0x5d] = psxBios_sys_a0_5d;
2425 //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2426 //biosA0[0x5f] = psxBios_dev_cd_open;
2427 //biosA0[0x60] = psxBios_dev_cd_read;
2428 //biosA0[0x61] = psxBios_dev_cd_close;
2429 //biosA0[0x62] = psxBios_dev_cd_firstfile;
2430 //biosA0[0x63] = psxBios_dev_cd_nextfile;
2431 //biosA0[0x64] = psxBios_dev_cd_chdir;
2432 //biosA0[0x65] = psxBios_dev_card_open;
2433 //biosA0[0x66] = psxBios_dev_card_read;
2434 //biosA0[0x67] = psxBios_dev_card_write;
2435 //biosA0[0x68] = psxBios_dev_card_close;
2436 //biosA0[0x69] = psxBios_dev_card_firstfile;
2437 //biosA0[0x6a] = psxBios_dev_card_nextfile;
2438 //biosA0[0x6b] = psxBios_dev_card_erase;
2439 //biosA0[0x6c] = psxBios_dev_card_undelete;
2440 //biosA0[0x6d] = psxBios_dev_card_format;
2441 //biosA0[0x6e] = psxBios_dev_card_rename;
2442 //biosA0[0x6f] = psxBios_dev_card_6f;
2443 biosA0[0x70] = psxBios__bu_init;
2444 biosA0[0x71] = psxBios__96_init;
2445 biosA0[0x72] = psxBios__96_remove;
2446 //biosA0[0x73] = psxBios_sys_a0_73;
2447 //biosA0[0x74] = psxBios_sys_a0_74;
2448 //biosA0[0x75] = psxBios_sys_a0_75;
2449 //biosA0[0x76] = psxBios_sys_a0_76;
2450 //biosA0[0x77] = psxBios_sys_a0_77;
2451 //biosA0[0x78] = psxBios__96_CdSeekL;
2452 //biosA0[0x79] = psxBios_sys_a0_79;
2453 //biosA0[0x7a] = psxBios_sys_a0_7a;
2454 //biosA0[0x7b] = psxBios_sys_a0_7b;
2455 //biosA0[0x7c] = psxBios__96_CdGetStatus;
2456 //biosA0[0x7d] = psxBios_sys_a0_7d;
2457 //biosA0[0x7e] = psxBios__96_CdRead;
2458 //biosA0[0x7f] = psxBios_sys_a0_7f;
2459 //biosA0[0x80] = psxBios_sys_a0_80;
2460 //biosA0[0x81] = psxBios_sys_a0_81;
2461 //biosA0[0x82] = psxBios_sys_a0_82;
2462 //biosA0[0x83] = psxBios_sys_a0_83;
2463 //biosA0[0x84] = psxBios_sys_a0_84;
2464 //biosA0[0x85] = psxBios__96_CdStop;
2465 //biosA0[0x86] = psxBios_sys_a0_86;
2466 //biosA0[0x87] = psxBios_sys_a0_87;
2467 //biosA0[0x88] = psxBios_sys_a0_88;
2468 //biosA0[0x89] = psxBios_sys_a0_89;
2469 //biosA0[0x8a] = psxBios_sys_a0_8a;
2470 //biosA0[0x8b] = psxBios_sys_a0_8b;
2471 //biosA0[0x8c] = psxBios_sys_a0_8c;
2472 //biosA0[0x8d] = psxBios_sys_a0_8d;
2473 //biosA0[0x8e] = psxBios_sys_a0_8e;
2474 //biosA0[0x8f] = psxBios_sys_a0_8f;
2475 //biosA0[0x90] = psxBios_sys_a0_90;
2476 //biosA0[0x91] = psxBios_sys_a0_91;
2477 //biosA0[0x92] = psxBios_sys_a0_92;
2478 //biosA0[0x93] = psxBios_sys_a0_93;
2479 //biosA0[0x94] = psxBios_sys_a0_94;
2480 //biosA0[0x95] = psxBios_sys_a0_95;
2481 //biosA0[0x96] = psxBios_AddCDROMDevice;
2482 //biosA0[0x97] = psxBios_AddMemCardDevide;
2483 //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2484 //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2485 //biosA0[0x9a] = psxBios_sys_a0_9a;
2486 //biosA0[0x9b] = psxBios_sys_a0_9b;
2487 //biosA0[0x9c] = psxBios_SetConf;
2488 //biosA0[0x9d] = psxBios_GetConf;
2489 //biosA0[0x9e] = psxBios_sys_a0_9e;
2490 biosA0[0x9f] = psxBios_SetMem;
2491 //biosA0[0xa0] = psxBios__boot;
2492 //biosA0[0xa1] = psxBios_SystemError;
2493 //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2494 //biosA0[0xa3] = psxBios_DequeueCdIntr;
2495 //biosA0[0xa4] = psxBios_sys_a0_a4;
2496 //biosA0[0xa5] = psxBios_ReadSector;
2497 //biosA0[0xa6] = psxBios_get_cd_status;
2498 //biosA0[0xa7] = psxBios_bufs_cb_0;
2499 //biosA0[0xa8] = psxBios_bufs_cb_1;
2500 //biosA0[0xa9] = psxBios_bufs_cb_2;
2501 //biosA0[0xaa] = psxBios_bufs_cb_3;
2502 biosA0[0xab] = psxBios__card_info;
2503 biosA0[0xac] = psxBios__card_load;
2504 //biosA0[0axd] = psxBios__card_auto;
2505 //biosA0[0xae] = psxBios_bufs_cd_4;
2506 //biosA0[0xaf] = psxBios_sys_a0_af;
2507 //biosA0[0xb0] = psxBios_sys_a0_b0;
2508 //biosA0[0xb1] = psxBios_sys_a0_b1;
2509 //biosA0[0xb2] = psxBios_do_a_long_jmp
2510 //biosA0[0xb3] = psxBios_sys_a0_b3;
2511 //biosA0[0xb4] = psxBios_sub_function;
2512//*******************B0 CALLS****************************
2513 //biosB0[0x00] = psxBios_SysMalloc;
2514 //biosB0[0x01] = psxBios_sys_b0_01;
2515 biosB0[0x02] = psxBios_SetRCnt;
2516 biosB0[0x03] = psxBios_GetRCnt;
2517 biosB0[0x04] = psxBios_StartRCnt;
2518 biosB0[0x05] = psxBios_StopRCnt;
2519 biosB0[0x06] = psxBios_ResetRCnt;
2520 biosB0[0x07] = psxBios_DeliverEvent;
2521 biosB0[0x08] = psxBios_OpenEvent;
2522 biosB0[0x09] = psxBios_CloseEvent;
2523 biosB0[0x0a] = psxBios_WaitEvent;
2524 biosB0[0x0b] = psxBios_TestEvent;
2525 biosB0[0x0c] = psxBios_EnableEvent;
2526 biosB0[0x0d] = psxBios_DisableEvent;
2527 biosB0[0x0e] = psxBios_OpenTh;
2528 biosB0[0x0f] = psxBios_CloseTh;
2529 biosB0[0x10] = psxBios_ChangeTh;
2530 //biosB0[0x11] = psxBios_psxBios_b0_11;
2531 biosB0[0x12] = psxBios_InitPAD;
2532 biosB0[0x13] = psxBios_StartPAD;
2533 biosB0[0x14] = psxBios_StopPAD;
2534 biosB0[0x15] = psxBios_PAD_init;
2535 biosB0[0x16] = psxBios_PAD_dr;
2536 biosB0[0x17] = psxBios_ReturnFromException;
2537 biosB0[0x18] = psxBios_ResetEntryInt;
2538 biosB0[0x19] = psxBios_HookEntryInt;
2539 //biosB0[0x1a] = psxBios_sys_b0_1a;
2540 //biosB0[0x1b] = psxBios_sys_b0_1b;
2541 //biosB0[0x1c] = psxBios_sys_b0_1c;
2542 //biosB0[0x1d] = psxBios_sys_b0_1d;
2543 //biosB0[0x1e] = psxBios_sys_b0_1e;
2544 //biosB0[0x1f] = psxBios_sys_b0_1f;
2545 biosB0[0x20] = psxBios_UnDeliverEvent;
2546 //biosB0[0x21] = psxBios_sys_b0_21;
2547 //biosB0[0x22] = psxBios_sys_b0_22;
2548 //biosB0[0x23] = psxBios_sys_b0_23;
2549 //biosB0[0x24] = psxBios_sys_b0_24;
2550 //biosB0[0x25] = psxBios_sys_b0_25;
2551 //biosB0[0x26] = psxBios_sys_b0_26;
2552 //biosB0[0x27] = psxBios_sys_b0_27;
2553 //biosB0[0x28] = psxBios_sys_b0_28;
2554 //biosB0[0x29] = psxBios_sys_b0_29;
2555 //biosB0[0x2a] = psxBios_sys_b0_2a;
2556 //biosB0[0x2b] = psxBios_sys_b0_2b;
2557 //biosB0[0x2c] = psxBios_sys_b0_2c;
2558 //biosB0[0x2d] = psxBios_sys_b0_2d;
2559 //biosB0[0x2e] = psxBios_sys_b0_2e;
2560 //biosB0[0x2f] = psxBios_sys_b0_2f;
2561 //biosB0[0x30] = psxBios_sys_b0_30;
2562 //biosB0[0x31] = psxBios_sys_b0_31;
2563 biosB0[0x32] = psxBios_open;
2564 biosB0[0x33] = psxBios_lseek;
2565 biosB0[0x34] = psxBios_read;
2566 biosB0[0x35] = psxBios_write;
2567 biosB0[0x36] = psxBios_close;
2568 //biosB0[0x37] = psxBios_ioctl;
2569 //biosB0[0x38] = psxBios_exit;
2570 //biosB0[0x39] = psxBios_sys_b0_39;
2571 //biosB0[0x3a] = psxBios_getc;
2572 //biosB0[0x3b] = psxBios_putc;
2573 biosB0[0x3c] = psxBios_getchar;
2574 //biosB0[0x3e] = psxBios_gets;
2575 //biosB0[0x40] = psxBios_cd;
e7e1f572 2576 biosB0[0x41] = psxBios_format;
ef79bbde
P		 2577 biosB0[0x42] = psxBios_firstfile;
2578 biosB0[0x43] = psxBios_nextfile;
2579 biosB0[0x44] = psxBios_rename;
2580 biosB0[0x45] = psxBios_delete;
2581 //biosB0[0x46] = psxBios_undelete;
2582 //biosB0[0x47] = psxBios_AddDevice;
2583 //biosB0[0x48] = psxBios_RemoteDevice;
2584 //biosB0[0x49] = psxBios_PrintInstalledDevices;
2585 biosB0[0x4a] = psxBios_InitCARD;
2586 biosB0[0x4b] = psxBios_StartCARD;
2587 biosB0[0x4c] = psxBios_StopCARD;
2588 //biosB0[0x4d] = psxBios_sys_b0_4d;
2589 biosB0[0x4e] = psxBios__card_write;
2590 biosB0[0x4f] = psxBios__card_read;
2591 biosB0[0x50] = psxBios__new_card;
2592 biosB0[0x51] = psxBios_Krom2RawAdd;
2593 //biosB0[0x52] = psxBios_sys_b0_52;
2594 //biosB0[0x53] = psxBios_sys_b0_53;
2595 //biosB0[0x54] = psxBios__get_errno;
2596 //biosB0[0x55] = psxBios__get_error;
2597 biosB0[0x56] = psxBios_GetC0Table;
2598 biosB0[0x57] = psxBios_GetB0Table;
e9fda093 2599 biosB0[0x58] = psxBios__card_chan;
ef79bbde
P		 2600 //biosB0[0x59] = psxBios_sys_b0_59;
2601 //biosB0[0x5a] = psxBios_sys_b0_5a;
2602 biosB0[0x5b] = psxBios_ChangeClearPad;
872515f9 2603 biosB0[0x5c] = psxBios__card_status;
ef79bbde
P		 2604 //biosB0[0x5d] = psxBios__card_wait;
2605//*******************C0 CALLS****************************
2606 //biosC0[0x00] = psxBios_InitRCnt;
2607 //biosC0[0x01] = psxBios_InitException;
2608 biosC0[0x02] = psxBios_SysEnqIntRP;
2609 biosC0[0x03] = psxBios_SysDeqIntRP;
2610 //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2611 //biosC0[0x05] = psxBios_get_free_TCB_slot;
2612 //biosC0[0x06] = psxBios_ExceptionHandler;
2613 //biosC0[0x07] = psxBios_InstallExeptionHandler;
2614 //biosC0[0x08] = psxBios_SysInitMemory;
2615 //biosC0[0x09] = psxBios_SysInitKMem;
2616 biosC0[0x0a] = psxBios_ChangeClearRCnt;
2617 //biosC0[0x0b] = psxBios_SystemError;
2618 //biosC0[0x0c] = psxBios_InitDefInt;
2619 //biosC0[0x0d] = psxBios_sys_c0_0d;
2620 //biosC0[0x0e] = psxBios_sys_c0_0e;
2621 //biosC0[0x0f] = psxBios_sys_c0_0f;
2622 //biosC0[0x10] = psxBios_sys_c0_10;
2623 //biosC0[0x11] = psxBios_sys_c0_11;
2624 //biosC0[0x12] = psxBios_InstallDevices;
2625 //biosC0[0x13] = psxBios_FlushStfInOutPut;
2626 //biosC0[0x14] = psxBios_sys_c0_14;
2627 //biosC0[0x15] = psxBios__cdevinput;
2628 //biosC0[0x16] = psxBios__cdevscan;
2629 //biosC0[0x17] = psxBios__circgetc;
2630 //biosC0[0x18] = psxBios__circputc;
2631 //biosC0[0x19] = psxBios_ioabort;
2632 //biosC0[0x1a] = psxBios_sys_c0_1a
2633 //biosC0[0x1b] = psxBios_KernelRedirect;
2634 //biosC0[0x1c] = psxBios_PatchAOTable;
2635//************** THE END ***************************************
2636/**/
2637 base = 0x1000;
2638 size = sizeof(EvCB) * 32;
2639 Event = (void *)&psxR[base]; base += size * 6;
2640 memset(Event, 0, size * 6);
2641 HwEV = Event;
2642 EvEV = Event + 32;
2643 RcEV = Event + 32 * 2;
2644 UeEV = Event + 32 * 3;
2645 SwEV = Event + 32 * 4;
2646 ThEV = Event + 32 * 5;
2647
2648 ptr = (u32 *)&psxM[0x0874]; // b0 table
2649 ptr[0] = SWAPu32(0x4c54 - 0x884);
2650
2651 ptr = (u32 *)&psxM[0x0674]; // c0 table
2652 ptr[6] = SWAPu32(0xc80);
2653
2654 memset(SysIntRP, 0, sizeof(SysIntRP));
2655 memset(Thread, 0, sizeof(Thread));
2656 Thread[0].status = 2; // main thread
2657
c62b43c9 2658 jmp_int = NULL;
2659 pad_buf = NULL;
2660 pad_buf1 = NULL;
2661 pad_buf2 = NULL;
2662 pad_buf1len = pad_buf2len = 0;
2663 heap_addr = NULL;
2664 heap_end = NULL;
2665 CardState = -1;
2666 CurThread = 0;
2667 memset(FDesc, 0, sizeof(FDesc));
5bf56268 2668 card_active_chan = 0;
c62b43c9 2669
ef79bbde
P		 2670 psxMu32ref(0x0150) = SWAPu32(0x160);
2671 psxMu32ref(0x0154) = SWAPu32(0x320);
2672 psxMu32ref(0x0160) = SWAPu32(0x248);
2673 strcpy((char *)&psxM[0x248], "bu");
2674/* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
2675 psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
2676 psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
2677 psxMu32ref(0x09e0) = SWAPu32(0x43d0);
2678 psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
2679*/
2680 // opcode HLE
2681 psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
2682 psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
2683 psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
2684 psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
2685 psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
2686 psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
2687 psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
2688 psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
2689 psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
2690 psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
2691
2692 // initial stack pointer for BIOS interrupt
2693 psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
2694
2695 // initial RNG seed
2696 psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
2697
2698 // fonts
2699 len = 0x80000 - 0x66000;
2700 uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
2701 len = 0x80000 - 0x69d68;
2702 uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
2703
2704 // memory size 2 MB
2705 psxHu32ref(0x1060) = SWAPu32(0x00000b88);
2706
2707 hleSoftCall = FALSE;
2708}
2709
2710void psxBiosShutdown() {
2711}
2712
2713#define psxBios_PADpoll(pad) { \
2714 PAD##pad##_startPoll(pad); \
2715 pad_buf##pad[0] = 0; \
2716 pad_buf##pad[1] = PAD##pad##_poll(0x42); \
2717 if (!(pad_buf##pad[1] & 0x0f)) { \
2718 bufcount = 32; \
2719 } else { \
2720 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
2721 } \
2722 PAD##pad##_poll(0); \
2723 i = 2; \
2724 while (bufcount--) { \
2725 pad_buf##pad[i++] = PAD##pad##_poll(0); \
2726 } \
2727}
2728
2729void biosInterrupt() {
2730 int i, bufcount;
2731
2732// if (psxHu32(0x1070) & 0x1) { // Vsync
2733 if (pad_buf != NULL) {
2734 u32 *buf = (u32*)pad_buf;
2735
2736 if (!Config.UseNet) {
2737 PAD1_startPoll(1);
2738 if (PAD1_poll(0x42) == 0x23) {
2739 PAD1_poll(0);
2740 *buf = PAD1_poll(0) << 8;
2741 *buf |= PAD1_poll(0);
2742 PAD1_poll(0);
2743 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
2744 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
2745 } else {
2746 PAD1_poll(0);
2747 *buf = PAD1_poll(0) << 8;
2748 *buf|= PAD1_poll(0);
2749 }
2750
2751 PAD2_startPoll(2);
2752 if (PAD2_poll(0x42) == 0x23) {
2753 PAD2_poll(0);
2754 *buf |= PAD2_poll(0) << 24;
2755 *buf |= PAD2_poll(0) << 16;
2756 PAD2_poll(0);
2757 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
2758 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
2759 } else {
2760 PAD2_poll(0);
2761 *buf |= PAD2_poll(0) << 24;
2762 *buf |= PAD2_poll(0) << 16;
2763 }
2764 } else {
2765 u16 data;
2766
2767 PAD1_startPoll(1);
2768 PAD1_poll(0x42);
2769 PAD1_poll(0);
2770 data = PAD1_poll(0) << 8;
2771 data |= PAD1_poll(0);
2772
2773 if (NET_sendPadData(&data, 2) == -1)
2774 netError();
2775
2776 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
2777 netError();
2778 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
2779 netError();
2780 }
2781 }
2782 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
2783 psxBios_PADpoll(1);
2784
2785 if (NET_sendPadData(pad_buf1, i) == -1)
2786 netError();
2787
2788 if (NET_recvPadData(pad_buf1, 1) == -1)
2789 netError();
2790 if (NET_recvPadData(pad_buf2, 2) == -1)
2791 netError();
2792 } else {
2793 if (pad_buf1) {
2794 psxBios_PADpoll(1);
2795 }
2796
2797 if (pad_buf2) {
2798 psxBios_PADpoll(2);
2799 }
2800 }
2801
2802 if (psxHu32(0x1070) & 0x1) { // Vsync
2803 if (RcEV[3][1].status == EvStACTIVE) {
2804 softCall(RcEV[3][1].fhandler);
2805// hwWrite32(0x1f801070, ~(1));
2806 }
2807 }
2808
2809 if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
2810 int i;
2811
2812 for (i = 0; i < 3; i++) {
2813 if (psxHu32(0x1070) & (1 << (i + 4))) {
2814 if (RcEV[i][1].status == EvStACTIVE) {
2815 softCall(RcEV[i][1].fhandler);
2816 }
2817 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
2818 }
2819 }
2820 }
2821}
2822
2823void psxBiosException() {
2824 int i;
2825
2826 switch (psxRegs.CP0.n.Cause & 0x3c) {
2827 case 0x00: // Interrupt
2828#ifdef PSXCPU_LOG
2829// PSXCPU_LOG("interrupt\n");
2830#endif
2831 SaveRegs();
2832
2833 sp = psxMu32(0x6c80); // create new stack for interrupt handlers
2834
2835 biosInterrupt();
2836
2837 for (i = 0; i < 8; i++) {
2838 if (SysIntRP[i]) {
2839 u32 *queue = (u32 *)PSXM(SysIntRP[i]);
2840
2841 s0 = queue[2];
2842 softCall(queue[1]);
2843 }
2844 }
2845
2846 if (jmp_int != NULL) {
2847 int i;
2848
2849 psxHwWrite32(0x1f801070, 0xffffffff);
2850
2851 ra = jmp_int[0];
2852 sp = jmp_int[1];
2853 fp = jmp_int[2];
2854 for (i = 0; i < 8; i++) // s0-s7
2855 psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
2856 gp = jmp_int[11];
2857
2858 v0 = 1;
2859 pc0 = ra;
2860 return;
2861 }
2862 psxHwWrite16(0x1f801070, 0);
2863 break;
2864
2865 case 0x20: // Syscall
2866#ifdef PSXCPU_LOG
2867 PSXCPU_LOG("syscall exp %x\n", a0);
2868#endif
2869 switch (a0) {
2870 case 1: // EnterCritical - disable irq's
2871 psxRegs.CP0.n.Status &= ~0x404;
2872v0=1; // HDHOSHY experimental patch: Spongebob, Coldblood, fearEffect, Medievil2, Martian Gothic
2873 break;
2874
2875 case 2: // ExitCritical - enable irq's
2876 psxRegs.CP0.n.Status |= 0x404;
2877 break;
2878 }
2879 pc0 = psxRegs.CP0.n.EPC + 4;
2880
2881 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2882 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2883 return;
2884
2885 default:
2886#ifdef PSXCPU_LOG
2887 PSXCPU_LOG("unknown bios exception!\n");
2888#endif
2889 break;
2890 }
2891
2892 pc0 = psxRegs.CP0.n.EPC;
2893 if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
2894
2895 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2896 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2897}
2898
2899#define bfreeze(ptr, size) { \
2900 if (Mode == 1) memcpy(&psxR[base], ptr, size); \
2901 if (Mode == 0) memcpy(ptr, &psxR[base], size); \
2902 base += size; \
2903}
2904
2905#define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
2906#define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
2907
2908#define bfreezepsxMptr(ptr, type) { \
2909 if (Mode == 1) { \
2910 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
2911 else psxRu32ref(base) = 0; \
2912 } else { \
2913 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
2914 else (ptr) = NULL; \
2915 } \
2916 base += sizeof(u32); \
2917}
2918
2919void psxBiosFreeze(int Mode) {
2920 u32 base = 0x40000;
2921
2922 bfreezepsxMptr(jmp_int, u32);
2923 bfreezepsxMptr(pad_buf, int);
2924 bfreezepsxMptr(pad_buf1, char);
2925 bfreezepsxMptr(pad_buf2, char);
2926 bfreezepsxMptr(heap_addr, u32);
2927 bfreezel(&pad_buf1len);
2928 bfreezel(&pad_buf2len);
2929 bfreezes(regs);
2930 bfreezes(SysIntRP);
2931 bfreezel(&CardState);
2932 bfreezes(Thread);
2933 bfreezel(&CurThread);
2934 bfreezes(FDesc);
e9fda093 2935 bfreezel(&card_active_chan);
ef79bbde 2936}
ARM optimized PCSX fork