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