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psxbios: Adds putc and getc implementation
[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"
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
324cec89 319/* Internally redirects to "FileRead(fd,tempbuf,1)".*/
320/* For some strange reason, the returned character is sign-expanded; */
321/* So if a return value of FFFFFFFFh could mean either character FFh, or error. */
322/* TODO FIX ME : Properly implement this behaviour */
323void psxBios_getc(void) // 0x03, 0x35
324{
325 void *pa1 = Ra1;
326#ifdef PSXBIOS_LOG
327 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x03]);
328#endif
329 v0 = -1;
330
331 if (pa1) {
332 switch (a0) {
333 case 2: buread(pa1, 1, 1); break;
334 case 3: buread(pa1, 2, 1); break;
335 }
336 }
337
338 pc0 = ra;
339}
340
341/* Copy of psxBios_write, except size is 1. */
342void psxBios_putc(void) // 0x09, 0x3B
343{
344 void *pa1 = Ra1;
345#ifdef PSXBIOS_LOG
346 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x09]);
347#endif
348 v0 = -1;
349 if (!pa1) {
350 pc0 = ra;
351 return;
352 }
353
354 if (a0 == 1) { // stdout
355 char *ptr = (char *)pa1;
356
357 v0 = a2;
358 while (a2 > 0) {
359 printf("%c", *ptr++); a2--;
360 }
361 pc0 = ra; return;
362 }
363
364 switch (a0) {
365 case 2: buwrite(pa1, 1, 1); break;
366 case 3: buwrite(pa1, 2, 1); break;
367 }
368
369 pc0 = ra;
370}
ef79bbde
P		 371
372void psxBios_abs() { // 0x0e
373 if ((s32)a0 < 0) v0 = -(s32)a0;
374 else v0 = a0;
375 pc0 = ra;
376}
377
378void psxBios_labs() { // 0x0f
379 psxBios_abs();
380}
381
382void psxBios_atoi() { // 0x10
383 s32 n = 0, f = 0;
384 char *p = (char *)Ra0;
385
386 for (;;p++) {
387 switch (*p) {
388 case ' ': case '\t': continue;
389 case '-': f++;
390 case '+': p++;
391 }
392 break;
393 }
394
395 while (*p >= '0' && *p <= '9') {
396 n = n * 10 + *p++ - '0';
397 }
398
399 v0 = (f ? -n : n);
400 pc0 = ra;
401}
402
403void psxBios_atol() { // 0x11
404 psxBios_atoi();
405}
406
407void psxBios_setjmp() { // 0x13
408 u32 *jmp_buf = (u32 *)Ra0;
409 int i;
410
411#ifdef PSXBIOS_LOG
412 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]);
413#endif
414
415 jmp_buf[0] = ra;
416 jmp_buf[1] = sp;
417 jmp_buf[2] = fp;
418 for (i = 0; i < 8; i++) // s0-s7
419 jmp_buf[3 + i] = psxRegs.GPR.r[16 + i];
420 jmp_buf[11] = gp;
421
422 v0 = 0; pc0 = ra;
423}
424
425void psxBios_longjmp() { // 0x14
426 u32 *jmp_buf = (u32 *)Ra0;
427 int i;
428
429#ifdef PSXBIOS_LOG
430 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]);
431#endif
432
433 ra = jmp_buf[0]; /* ra */
434 sp = jmp_buf[1]; /* sp */
435 fp = jmp_buf[2]; /* fp */
436 for (i = 0; i < 8; i++) // s0-s7
437 psxRegs.GPR.r[16 + i] = jmp_buf[3 + i];
438 gp = jmp_buf[11]; /* gp */
439
440 v0 = a1; pc0 = ra;
441}
442
443void psxBios_strcat() { // 0x15
444 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
445
446#ifdef PSXBIOS_LOG
447 PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1);
448#endif
bee52312 449 if (a0 == 0 || a1 == 0)
450 {
451 v0 = 0;
452 pc0 = ra;
453 return;
454 }
ef79bbde
P		 455 while (*p1++);
456 --p1;
457 while ((*p1++ = *p2++) != '\0');
458
459 v0 = a0; pc0 = ra;
460}
461
462void psxBios_strncat() { // 0x16
463 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
464 s32 n = a2;
465
466#ifdef PSXBIOS_LOG
467 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2);
468#endif
469
470 while (*p1++);
471 --p1;
472 while ((*p1++ = *p2++) != '\0') {
473 if (--n < 0) {
474 *--p1 = '\0';
475 break;
476 }
477 }
478
479 v0 = a0; pc0 = ra;
480}
481
482void psxBios_strcmp() { // 0x17
483 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
484
485#ifdef PSXBIOS_LOG
486 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1);
487#endif
488
489 while (*p1 == *p2++) {
490 if (*p1++ == '\0') {
491 v0 = 0;
492 pc0 = ra;
493 return;
494 }
495 }
496
497 v0 = (*p1 - *--p2);
498 pc0 = ra;
499}
500
501void psxBios_strncmp() { // 0x18
502 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
503 s32 n = a2;
504
505#ifdef PSXBIOS_LOG
506 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2);
507#endif
508
509 while (--n >= 0 && *p1 == *p2++) {
510 if (*p1++ == '\0') {
511 v0 = 0;
512 pc0 = ra;
513 return;
514 }
515 }
516
517 v0 = (n < 0 ? 0 : *p1 - *--p2);
518 pc0 = ra;
519}
520
521void psxBios_strcpy() { // 0x19
522 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
523 while ((*p1++ = *p2++) != '\0');
524
525 v0 = a0; pc0 = ra;
526}
527
528void psxBios_strncpy() { // 0x1a
529 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
530 s32 n = a2, i;
531
532 for (i = 0; i < n; i++) {
533 if ((*p1++ = *p2++) == '\0') {
534 while (++i < n) {
535 *p1++ = '\0';
536 }
537 v0 = a0; pc0 = ra;
538 return;
539 }
540 }
541
542 v0 = a0; pc0 = ra;
543}
544
545void psxBios_strlen() { // 0x1b
546 char *p = (char *)Ra0;
547 v0 = 0;
548 while (*p++) v0++;
549 pc0 = ra;
550}
551
552void psxBios_index() { // 0x1c
553 char *p = (char *)Ra0;
554
555 do {
556 if (*p == a1) {
557 v0 = a0 + (p - (char *)Ra0);
558 pc0 = ra;
559 return;
560 }
561 } while (*p++ != '\0');
562
563 v0 = 0; pc0 = ra;
564}
565
566void psxBios_rindex() { // 0x1d
567 char *p = (char *)Ra0;
568
569 v0 = 0;
570
571 do {
572 if (*p == a1)
573 v0 = a0 + (p - (char *)Ra0);
574 } while (*p++ != '\0');
575
576 pc0 = ra;
577}
578
579void psxBios_strchr() { // 0x1e
580 psxBios_index();
581}
582
583void psxBios_strrchr() { // 0x1f
584 psxBios_rindex();
585}
586
587void psxBios_strpbrk() { // 0x20
588 char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc;
589
590 while ((c = *p1++) != '\0') {
591 for (scanp = p2; (sc = *scanp++) != '\0';) {
592 if (sc == c) {
593 v0 = a0 + (p1 - 1 - (char *)Ra0);
594 pc0 = ra;
595 return;
596 }
597 }
598 }
599
600 // BUG: return a0 instead of NULL if not found
601 v0 = a0; pc0 = ra;
602}
603
604void psxBios_strspn() { // 0x21
605 char *p1, *p2;
606
607 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
608 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
609 if (*p2 == '\0') break;
610 }
611
612 v0 = p1 - (char *)Ra0; pc0 = ra;
613}
614
615void psxBios_strcspn() { // 0x22
616 char *p1, *p2;
617
618 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
619 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
620 if (*p2 != '\0') break;
621 }
622
623 v0 = p1 - (char *)Ra0; pc0 = ra;
624}
625
626void psxBios_strtok() { // 0x23
627 char *pcA0 = (char *)Ra0;
628 char *pcRet = strtok(pcA0, (char *)Ra1);
629 if (pcRet)
630 v0 = a0 + pcRet - pcA0;
631 else
632 v0 = 0;
633 pc0 = ra;
634}
635
636void psxBios_strstr() { // 0x24
637 char *p = (char *)Ra0, *p1, *p2;
638
639 while (*p != '\0') {
640 p1 = p;
641 p2 = (char *)Ra1;
642
643 while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) {
644 p1++; p2++;
645 }
646
647 if (*p2 == '\0') {
648 v0 = a0 + (p - (char *)Ra0);
649 pc0 = ra;
650 return;
651 }
652
653 p++;
654 }
655
656 v0 = 0; pc0 = ra;
657}
658
659void psxBios_toupper() { // 0x25
660 v0 = (s8)(a0 & 0xff);
661 if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A';
662 pc0 = ra;
663}
664
665void psxBios_tolower() { // 0x26
666 v0 = (s8)(a0 & 0xff);
667 if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A';
668 pc0 = ra;
669}
670
671void psxBios_bcopy() { // 0x27
672 char *p1 = (char *)Ra1, *p2 = (char *)Ra0;
5ec7acdf 673 while ((s32)a2-- > 0) *p1++ = *p2++;
ef79bbde
P		 674
675 pc0 = ra;
676}
677
678void psxBios_bzero() { // 0x28
679 char *p = (char *)Ra0;
5ec7acdf 680 while ((s32)a1-- > 0) *p++ = '\0';
ef79bbde
P		 681
682 pc0 = ra;
683}
684
685void psxBios_bcmp() { // 0x29
686 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
687
688 if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; }
689
5ec7acdf 690 while ((s32)a2-- > 0) {
ef79bbde
P		 691 if (*p1++ != *p2++) {
692 v0 = *p1 - *p2; // BUG: compare the NEXT byte
693 pc0 = ra;
694 return;
695 }
696 }
697
698 v0 = 0; pc0 = ra;
699}
700
701void psxBios_memcpy() { // 0x2a
702 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
5ec7acdf 703 while ((s32)a2-- > 0) *p1++ = *p2++;
ef79bbde
P		 704
705 v0 = a0; pc0 = ra;
706}
707
708void psxBios_memset() { // 0x2b
709 char *p = (char *)Ra0;
5ec7acdf 710 while ((s32)a2-- > 0) *p++ = (char)a1;
ef79bbde 711
5ec7acdf 712 a2 = 0;
ef79bbde
P		 713 v0 = a0; pc0 = ra;
714}
715
716void psxBios_memmove() { // 0x2c
717 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
718
719 if (p2 <= p1 && p2 + a2 > p1) {
720 a2++; // BUG: copy one more byte here
721 p1 += a2;
722 p2 += a2;
5ec7acdf 723 while ((s32)a2-- > 0) *--p1 = *--p2;
ef79bbde 724 } else {
5ec7acdf 725 while ((s32)a2-- > 0) *p1++ = *p2++;
ef79bbde
P		 726 }
727
728 v0 = a0; pc0 = ra;
729}
730
731void psxBios_memcmp() { // 0x2d
732 psxBios_bcmp();
733}
734
735void psxBios_memchr() { // 0x2e
736 char *p = (char *)Ra0;
737
5ec7acdf 738 while ((s32)a2-- > 0) {
ef79bbde
P		 739 if (*p++ != (s8)a1) continue;
740 v0 = a0 + (p - (char *)Ra0 - 1);
741 pc0 = ra;
742 return;
743 }
744
745 v0 = 0; pc0 = ra;
746}
747
748void psxBios_rand() { // 0x2f
749 u32 s = psxMu32(0x9010) * 1103515245 + 12345;
750 v0 = (s >> 16) & 0x7fff;
751 psxMu32ref(0x9010) = SWAPu32(s);
752 pc0 = ra;
753}
754
755void psxBios_srand() { // 0x30
756 psxMu32ref(0x9010) = SWAPu32(a0);
757 pc0 = ra;
758}
759
760static u32 qscmpfunc, qswidth;
761
762static inline int qscmp(char *a, char *b) {
763 u32 sa0 = a0;
764
765 a0 = sa0 + (a - (char *)PSXM(sa0));
766 a1 = sa0 + (b - (char *)PSXM(sa0));
767
768 softCall2(qscmpfunc);
769
770 a0 = sa0;
771 return (s32)v0;
772}
773
774static inline void qexchange(char *i, char *j) {
775 char t;
776 int n = qswidth;
777
778 do {
779 t = *i;
780 *i++ = *j;
781 *j++ = t;
782 } while (--n);
783}
784
785static inline void q3exchange(char *i, char *j, char *k) {
786 char t;
787 int n = qswidth;
788
789 do {
790 t = *i;
791 *i++ = *k;
792 *k++ = *j;
793 *j++ = t;
794 } while (--n);
795}
796
797static void qsort_main(char *a, char *l) {
798 char *i, *j, *lp, *hp;
799 int c;
800 unsigned int n;
801
802start:
803 if ((n = l - a) <= qswidth)
804 return;
805 n = qswidth * (n / (2 * qswidth));
806 hp = lp = a + n;
807 i = a;
808 j = l - qswidth;
809 while (TRUE) {
810 if (i < lp) {
811 if ((c = qscmp(i, lp)) == 0) {
812 qexchange(i, lp -= qswidth);
813 continue;
814 }
815 if (c < 0) {
816 i += qswidth;
817 continue;
818 }
819 }
820
821loop:
822 if (j > hp) {
823 if ((c = qscmp(hp, j)) == 0) {
824 qexchange(hp += qswidth, j);
825 goto loop;
826 }
827 if (c > 0) {
828 if (i == lp) {
829 q3exchange(i, hp += qswidth, j);
830 i = lp += qswidth;
831 goto loop;
832 }
833 qexchange(i, j);
834 j -= qswidth;
835 i += qswidth;
836 continue;
837 }
838 j -= qswidth;
839 goto loop;
840 }
841
842 if (i == lp) {
843 if (lp - a >= l - hp) {
844 qsort_main(hp + qswidth, l);
845 l = lp;
846 } else {
847 qsort_main(a, lp);
848 a = hp + qswidth;
849 }
850 goto start;
851 }
852
853 q3exchange(j, lp -= qswidth, i);
854 j = hp -= qswidth;
855 }
856}
857
858void psxBios_qsort() { // 0x31
859 qswidth = a2;
860 qscmpfunc = a3;
861 qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
862
863 pc0 = ra;
864}
865
866void psxBios_malloc() { // 0x33
808a13bd 867 unsigned int *chunk, *newchunk = NULL;
868 unsigned int dsize = 0, csize, cstat;
ef79bbde
P		 869 int colflag;
870#ifdef PSXBIOS_LOG
871 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
872#endif
873
874 // scan through heap and combine free chunks of space
875 chunk = heap_addr;
876 colflag = 0;
877 while(chunk < heap_end) {
878 // get size and status of actual chunk
879 csize = ((u32)*chunk) & 0xfffffffc;
880 cstat = ((u32)*chunk) & 1;
881
882 // it's a free chunk
883 if(cstat == 1) {
884 if(colflag == 0) {
885 newchunk = chunk;
886 dsize = csize;
887 colflag = 1; // let's begin a new collection of free memory
888 }
889 else dsize += (csize+4); // add the new size including header
890 }
891 // not a free chunk: did we start a collection ?
892 else {
893 if(colflag == 1) { // collection is over
894 colflag = 0;
895 *newchunk = SWAP32(dsize | 1);
896 }
897 }
898
899 // next chunk
900 chunk = (u32*)((uptr)chunk + csize + 4);
901 }
902 // if neccessary free memory on end of heap
903 if (colflag == 1)
904 *newchunk = SWAP32(dsize | 1);
905
906 chunk = heap_addr;
907 csize = ((u32)*chunk) & 0xfffffffc;
908 cstat = ((u32)*chunk) & 1;
909 dsize = (a0 + 3) & 0xfffffffc;
910
911 // exit on uninitialized heap
912 if (chunk == NULL) {
913 SysPrintf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
914 v0 = 0;
915 pc0 = ra;
916 return;
917 }
918
919 // search an unused chunk that is big enough until the end of the heap
920 while ((dsize > csize || cstat == 0) && chunk < heap_end ) {
921 chunk = (u32*)((uptr)chunk + csize + 4);
922 csize = ((u32)*chunk) & 0xfffffffc;
923 cstat = ((u32)*chunk) & 1;
924 }
925
926 // catch out of memory
927 if(chunk >= heap_end) { SysPrintf("malloc %x,%x: Out of memory error!\n", v0, a0); v0 = 0; pc0 = ra; return; }
928
929 // allocate memory
930 if(dsize == csize) {
931 // chunk has same size
932 *chunk &= 0xfffffffc;
933 }
934 else {
935 // split free chunk
936 *chunk = SWAP32(dsize);
937 newchunk = (u32*)((uptr)chunk + dsize + 4);
808a13bd 938 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
ef79bbde
P		 939 }
940
941 // return pointer to allocated memory
942 v0 = ((unsigned long)chunk - (unsigned long)psxM) + 4;
943 v0|= 0x80000000;
944 SysPrintf ("malloc %x,%x\n", v0, a0);
945 pc0 = ra;
946}
947
948void psxBios_free() { // 0x34
949
950#ifdef PSXBIOS_LOG
951 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
952#endif
953
954 SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
955
956 *(u32*)(Ra0-4) |= 1; // set chunk to free
957 pc0 = ra;
958}
959
960void psxBios_calloc() { // 0x37
02949f79 961 void *pv0;
ef79bbde
P		 962#ifdef PSXBIOS_LOG
963 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
964#endif
965
966 a0 = a0 * a1;
967 psxBios_malloc();
02949f79 968 pv0 = Rv0;
969 if (pv0)
970 memset(pv0, 0, a0);
ef79bbde
P		 971}
972
973void psxBios_realloc() { // 0x38
974 u32 block = a0;
975 u32 size = a1;
976#ifdef PSXBIOS_LOG
977 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
978#endif
979
980 a0 = block;
981 psxBios_free();
982 a0 = size;
983 psxBios_malloc();
984}
985
986
987/* InitHeap(void *block , int n) */
988void psxBios_InitHeap() { // 0x39
989 unsigned int size;
990
991#ifdef PSXBIOS_LOG
992 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
993#endif
994
995 if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
996 else size = a1;
997
998 size &= 0xfffffffc;
999
1000 heap_addr = (u32 *)Ra0;
1001 heap_end = (u32 *)((u8 *)heap_addr + size);
1002 *heap_addr = SWAP32(size | 1);
1003
c979c3ee 1004 SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
ef79bbde
P		 1005
1006 pc0 = ra;
1007}
1008
1009void psxBios_getchar() { //0x3b
1010 v0 = getchar(); pc0 = ra;
1011}
1012
1013void psxBios_printf() { // 0x3f
1014 char tmp[1024];
1015 char tmp2[1024];
1016 u32 save[4];
1017 char *ptmp = tmp;
1018 int n=1, i=0, j;
02949f79 1019 void *psp;
1020
1021 psp = PSXM(sp);
1022 if (psp) {
1023 memcpy(save, psp, 4 * 4);
1024 psxMu32ref(sp) = SWAP32((u32)a0);
1025 psxMu32ref(sp + 4) = SWAP32((u32)a1);
1026 psxMu32ref(sp + 8) = SWAP32((u32)a2);
1027 psxMu32ref(sp + 12) = SWAP32((u32)a3);
1028 }
ef79bbde
P		 1029
1030 while (Ra0[i]) {
1031 switch (Ra0[i]) {
1032 case '%':
1033 j = 0;
1034 tmp2[j++] = '%';
1035_start:
1036 switch (Ra0[++i]) {
1037 case '.':
1038 case 'l':
1039 tmp2[j++] = Ra0[i]; goto _start;
1040 default:
1041 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
1042 tmp2[j++] = Ra0[i];
1043 goto _start;
1044 }
1045 break;
1046 }
1047 tmp2[j++] = Ra0[i];
1048 tmp2[j] = 0;
1049
1050 switch (Ra0[i]) {
1051 case 'f': case 'F':
1052 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
1053 case 'a': case 'A':
1054 case 'e': case 'E':
1055 case 'g': case 'G':
1056 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
1057 case 'p':
888468ff 1058 case 'i': case 'u':
ef79bbde
P		 1059 case 'd': case 'D':
1060 case 'o': case 'O':
1061 case 'x': case 'X':
1062 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
1063 case 'c':
1064 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
1065 case 's':
1066 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1067 case '%':
1068 *ptmp++ = Ra0[i]; break;
1069 }
1070 i++;
1071 break;
1072 default:
1073 *ptmp++ = Ra0[i++];
1074 }
1075 }
1076 *ptmp = 0;
1077
02949f79 1078 if (psp)
1079 memcpy(psp, save, 4 * 4);
ef79bbde 1080
808a13bd 1081 SysPrintf("%s", tmp);
ef79bbde
P		 1082
1083 pc0 = ra;
1084}
1085
e7e1f572 1086void psxBios_format() { // 0x41
1087 if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0')
1088 {
1089 CreateMcd(Config.Mcd1);
1090 LoadMcd(1, Config.Mcd1);
1091 v0 = 1;
1092 }
1093 else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0')
1094 {
1095 CreateMcd(Config.Mcd2);
1096 LoadMcd(2, Config.Mcd2);
1097 v0 = 1;
1098 }
1099 else
1100 {
1101 v0 = 0;
1102 }
1103 pc0 = ra;
1104}
1105
ef79bbde
P		 1106/*
1107 * long Load(char *name, struct EXEC *header);
1108 */
1109
1110void psxBios_Load() { // 0x42
1111 EXE_HEADER eheader;
02949f79 1112 void *pa1;
ef79bbde
P		 1113
1114#ifdef PSXBIOS_LOG
1115 PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1116#endif
1117
02949f79 1118 pa1 = Ra1;
1119 if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) {
1120 memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC));
ef79bbde
P		 1121 v0 = 1;
1122 } else v0 = 0;
1123
1124 pc0 = ra;
1125}
1126
1127/*
1128 * int Exec(struct EXEC *header , int argc , char **argv);
1129 */
1130
1131void psxBios_Exec() { // 43
1132 EXEC *header = (EXEC*)Ra0;
1133 u32 tmp;
1134
1135#ifdef PSXBIOS_LOG
1136 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1137#endif
1138
1139 header->_sp = sp;
1140 header->_fp = fp;
1141 header->_sp = sp;
1142 header->_gp = gp;
1143 header->ret = ra;
1144 header->base = s0;
1145
1146 if (header->S_addr != 0) {
1147 tmp = header->S_addr + header->s_size;
1148 sp = tmp;
1149 fp = sp;
1150 }
1151
1152 gp = header->gp0;
1153
1154 s0 = a0;
1155
1156 a0 = a1;
1157 a1 = a2;
1158
1159 ra = 0x8000;
1160 pc0 = header->_pc0;
1161}
1162
1163void psxBios_FlushCache() { // 44
1164#ifdef PSXBIOS_LOG
1165 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1166#endif
1167
1168 pc0 = ra;
1169}
1170
1171void psxBios_GPU_dw() { // 0x46
1172 int size;
1173 s32 *ptr;
1174
1175#ifdef PSXBIOS_LOG
1176 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1177#endif
1178
1179 GPU_writeData(0xa0000000);
1180 GPU_writeData((a1<<16)|(a0&0xffff));
1181 GPU_writeData((a3<<16)|(a2&0xffff));
1182 size = (a2*a3+1)/2;
1183 ptr = (s32*)PSXM(Rsp[4]); //that is correct?
1184 do {
1185 GPU_writeData(SWAP32(*ptr));
1186 ptr++;
1187 } while(--size);
1188
1189 pc0 = ra;
1190}
1191
1192void psxBios_mem2vram() { // 0x47
1193 int size;
1194
1195 GPU_writeData(0xa0000000);
1196 GPU_writeData((a1<<16)|(a0&0xffff));
1197 GPU_writeData((a3<<16)|(a2&0xffff));
1198 size = (a2*a3+1)/2;
1199 GPU_writeStatus(0x04000002);
1200 psxHwWrite32(0x1f8010f4,0);
1201 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1202 psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1203 psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1204 psxHwWrite32(0x1f8010a8,0x01000201);
1205
1206 pc0 = ra;
1207}
1208
1209void psxBios_SendGPU() { // 0x48
1210 GPU_writeStatus(a0);
ddbaf678 1211 gpuSyncPluginSR();
ef79bbde
P		 1212 pc0 = ra;
1213}
1214
1215void psxBios_GPU_cw() { // 0x49
1216 GPU_writeData(a0);
1217 pc0 = ra;
1218}
1219
1220void psxBios_GPU_cwb() { // 0x4a
1221 s32 *ptr = (s32*)Ra0;
1222 int size = a1;
1223 while(size--) {
1224 GPU_writeData(SWAP32(*ptr));
1225 ptr++;
1226 }
1227
1228 pc0 = ra;
1229}
1230
1231void psxBios_GPU_SendPackets() { //4b:
1232 GPU_writeStatus(0x04000002);
1233 psxHwWrite32(0x1f8010f4,0);
1234 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1235 psxHwWrite32(0x1f8010a0,a0);
1236 psxHwWrite32(0x1f8010a4,0);
1237 psxHwWrite32(0x1f8010a8,0x010000401);
1238 pc0 = ra;
1239}
1240
1241void psxBios_sys_a0_4c() { // 0x4c GPU relate
1242 psxHwWrite32(0x1f8010a8,0x00000401);
1243 GPU_writeData(0x0400000);
1244 GPU_writeData(0x0200000);
1245 GPU_writeData(0x0100000);
cd1ea245 1246 v0 = 0x1f801814;
ef79bbde
P		 1247 pc0 = ra;
1248}
1249
1250void psxBios_GPU_GetGPUStatus() { // 0x4d
1251 v0 = GPU_readStatus();
1252 pc0 = ra;
1253}
1254
1255#undef s_addr
1256
1257void psxBios_LoadExec() { // 51
1258 EXEC *header = (EXEC*)PSXM(0xf000);
1259 u32 s_addr, s_size;
1260
1261#ifdef PSXBIOS_LOG
1262 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1263#endif
1264 s_addr = a1; s_size = a2;
1265
1266 a1 = 0xf000;
1267 psxBios_Load();
1268
1269 header->S_addr = s_addr;
1270 header->s_size = s_size;
1271
1272 a0 = 0xf000; a1 = 0; a2 = 0;
1273 psxBios_Exec();
1274}
1275
1276void psxBios__bu_init() { // 70
1277#ifdef PSXBIOS_LOG
1278 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1279#endif
1280
1281 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1282 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1283
1284 pc0 = ra;
1285}
1286
1287void psxBios__96_init() { // 71
1288#ifdef PSXBIOS_LOG
1289 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1290#endif
1291
1292 pc0 = ra;
1293}
1294
1295void psxBios__96_remove() { // 72
1296#ifdef PSXBIOS_LOG
1297 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1298#endif
1299
1300 pc0 = ra;
1301}
1302
1303void psxBios_SetMem() { // 9f
1304 u32 new = psxHu32(0x1060);
1305
1306#ifdef PSXBIOS_LOG
1307 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1308#endif
1309
1310 switch(a0) {
1311 case 2:
1312 psxHu32ref(0x1060) = SWAP32(new);
1313 psxMu32ref(0x060) = a0;
1314 SysPrintf("Change effective memory : %d MBytes\n",a0);
1315 break;
1316
1317 case 8:
1318 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1319 psxMu32ref(0x060) = a0;
1320 SysPrintf("Change effective memory : %d MBytes\n",a0);
1321
1322 default:
1323 SysPrintf("Effective memory must be 2/8 MBytes\n");
1324 break;
1325 }
1326
1327 pc0 = ra;
1328}
1329
1330void psxBios__card_info() { // ab
1331#ifdef PSXBIOS_LOG
1332 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1333#endif
76b81516 1334 u32 ret;
e9fda093 1335 card_active_chan = a0;
1336
76b81516 1337 switch (card_active_chan)
1338 {
1339 case 0x00: case 0x01: case 0x02: case 0x03:
1340 ret = Config.Mcd1[0] ? 0x2 : 0x8;
1341 break;
1342 case 0x10: case 0x11: case 0x12: case 0x13:
1343 ret = Config.Mcd2[0] ? 0x2 : 0x8;
1344 break;
1345 default:
1346#ifdef PSXBIOS_LOG
1347 PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan);
1348#endif
1349 ret = 0x11;
1350 break;
1351 }
1352
1353// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
ef79bbde
P		 1354// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1355 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
76b81516 1356 DeliverEvent(0x81, ret); // 0xf4000001, 0x0004
ef79bbde
P		 1357
1358 v0 = 1; pc0 = ra;
1359}
1360
1361void psxBios__card_load() { // ac
1362#ifdef PSXBIOS_LOG
1363 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1364#endif
1365
e9fda093 1366 card_active_chan = a0;
1367
ef79bbde
P		 1368// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1369 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1370
1371 v0 = 1; pc0 = ra;
1372}
1373
1374/* System calls B0 */
1375
1376void psxBios_SetRCnt() { // 02
1377#ifdef PSXBIOS_LOG
1378 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1379#endif
1380
1381 a0&= 0x3;
1382 if (a0 != 3) {
1383 u32 mode=0;
1384
1385 psxRcntWtarget(a0, a1);
1386 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1387 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1388 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1389 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1390 else { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1391
1392 psxRcntWmode(a0, mode);
1393 }
1394 pc0 = ra;
1395}
1396
1397void psxBios_GetRCnt() { // 03
1398#ifdef PSXBIOS_LOG
1399 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1400#endif
1401
1402 a0&= 0x3;
1403 if (a0 != 3) v0 = psxRcntRcount(a0);
1404 else v0 = 0;
1405 pc0 = ra;
1406}
1407
1408void psxBios_StartRCnt() { // 04
1409#ifdef PSXBIOS_LOG
1410 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1411#endif
1412
1413 a0&= 0x3;
1414 if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1415 else psxHu32ref(0x1074)|= SWAPu32(0x1);
1416 v0 = 1; pc0 = ra;
1417}
1418
1419void psxBios_StopRCnt() { // 05
1420#ifdef PSXBIOS_LOG
1421 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1422#endif
1423
1424 a0&= 0x3;
1425 if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1426 else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1427 pc0 = ra;
1428}
1429
1430void psxBios_ResetRCnt() { // 06
1431#ifdef PSXBIOS_LOG
1432 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1433#endif
1434
1435 a0&= 0x3;
1436 if (a0 != 3) {
1437 psxRcntWmode(a0, 0);
1438 psxRcntWtarget(a0, 0);
1439 psxRcntWcount(a0, 0);
1440 }
1441 pc0 = ra;
1442}
1443
1444
1445/* gets ev for use with Event */
1446#define GetEv() \
1447 ev = (a0 >> 24) & 0xf; \
1448 if (ev == 0xf) ev = 0x5; \
1449 ev*= 32; \
1450 ev+= a0&0x1f;
1451
1452/* gets spec for use with Event */
1453#define GetSpec() \
1454 spec = 0; \
1455 switch (a1) { \
1456 case 0x0301: spec = 16; break; \
1457 case 0x0302: spec = 17; break; \
1458 default: \
1459 for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1460 break; \
1461 }
1462
1463void psxBios_DeliverEvent() { // 07
1464 int ev, spec;
1465 int i;
1466
1467 GetEv();
1468 GetSpec();
1469
1470#ifdef PSXBIOS_LOG
1471 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1472#endif
1473
1474 DeliverEvent(ev, spec);
1475
1476 pc0 = ra;
1477}
1478
1479void psxBios_OpenEvent() { // 08
1480 int ev, spec;
1481 int i;
1482
1483 GetEv();
1484 GetSpec();
1485
1486#ifdef PSXBIOS_LOG
1487 PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1488#endif
1489
1490 Event[ev][spec].status = EvStWAIT;
1491 Event[ev][spec].mode = a2;
1492 Event[ev][spec].fhandler = a3;
1493
1494 v0 = ev | (spec << 8);
1495 pc0 = ra;
1496}
1497
1498void psxBios_CloseEvent() { // 09
1499 int ev, spec;
1500
1501 ev = a0 & 0xff;
1502 spec = (a0 >> 8) & 0xff;
1503
1504#ifdef PSXBIOS_LOG
1505 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1506#endif
1507
1508 Event[ev][spec].status = EvStUNUSED;
1509
1510 v0 = 1; pc0 = ra;
1511}
1512
1513void psxBios_WaitEvent() { // 0a
1514 int ev, spec;
1515
1516 ev = a0 & 0xff;
1517 spec = (a0 >> 8) & 0xff;
1518
1519#ifdef PSXBIOS_LOG
1520 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1521#endif
1522
1523 Event[ev][spec].status = EvStACTIVE;
1524
1525 v0 = 1; pc0 = ra;
1526}
1527
1528void psxBios_TestEvent() { // 0b
1529 int ev, spec;
1530
1531 ev = a0 & 0xff;
1532 spec = (a0 >> 8) & 0xff;
1533
1534 if (Event[ev][spec].status == EvStALREADY) {
1535 Event[ev][spec].status = EvStACTIVE; v0 = 1;
1536 } else v0 = 0;
1537
1538#ifdef PSXBIOS_LOG
1539 PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1540#endif
1541
1542 pc0 = ra;
1543}
1544
1545void psxBios_EnableEvent() { // 0c
1546 int ev, spec;
1547
1548 ev = a0 & 0xff;
1549 spec = (a0 >> 8) & 0xff;
1550
1551#ifdef PSXBIOS_LOG
1552 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1553#endif
1554
1555 Event[ev][spec].status = EvStACTIVE;
1556
1557 v0 = 1; pc0 = ra;
1558}
1559
1560void psxBios_DisableEvent() { // 0d
1561 int ev, spec;
1562
1563 ev = a0 & 0xff;
1564 spec = (a0 >> 8) & 0xff;
1565
1566#ifdef PSXBIOS_LOG
1567 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1568#endif
1569
1570 Event[ev][spec].status = EvStWAIT;
1571
1572 v0 = 1; pc0 = ra;
1573}
1574
1575/*
1576 * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1577 */
1578
1579void psxBios_OpenTh() { // 0e
1580 int th;
1581
1582 for (th=1; th<8; th++)
1583 if (Thread[th].status == 0) break;
1584
1585#ifdef PSXBIOS_LOG
1586 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1587#endif
1588
1589 Thread[th].status = 1;
1590 Thread[th].func = a0;
1591 Thread[th].reg[29] = a1;
1592 Thread[th].reg[28] = a2;
1593
1594 v0 = th; pc0 = ra;
1595}
1596
1597/*
1598 * int CloseTh(long thread);
1599 */
1600
1601void psxBios_CloseTh() { // 0f
1602 int th = a0 & 0xff;
1603
1604#ifdef PSXBIOS_LOG
1605 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1606#endif
1607
1608 if (Thread[th].status == 0) {
1609 v0 = 0;
1610 } else {
1611 Thread[th].status = 0;
1612 v0 = 1;
1613 }
1614
1615 pc0 = ra;
1616}
1617
1618/*
1619 * int ChangeTh(long thread);
1620 */
1621
1622void psxBios_ChangeTh() { // 10
1623 int th = a0 & 0xff;
1624
1625#ifdef PSXBIOS_LOG
1626// PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1627#endif
1628
1629 if (Thread[th].status == 0 || CurThread == th) {
1630 v0 = 0;
1631
1632 pc0 = ra;
1633 } else {
1634 v0 = 1;
1635
1636 if (Thread[CurThread].status == 2) {
1637 Thread[CurThread].status = 1;
1638 Thread[CurThread].func = ra;
1639 memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1640 }
1641
1642 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1643 pc0 = Thread[th].func;
1644 Thread[th].status = 2;
1645 CurThread = th;
1646 }
1647}
1648
1649void psxBios_InitPAD() { // 0x12
1650#ifdef PSXBIOS_LOG
1651 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1652#endif
1653
1654 pad_buf1 = (char*)Ra0;
1655 pad_buf1len = a1;
1656 pad_buf2 = (char*)Ra2;
1657 pad_buf2len = a3;
1658
1659 v0 = 1; pc0 = ra;
1660}
1661
1662void psxBios_StartPAD() { // 13
1663#ifdef PSXBIOS_LOG
1664 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1665#endif
1666
1667 psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1668 psxRegs.CP0.n.Status |= 0x401;
1669 pc0 = ra;
1670}
1671
1672void psxBios_StopPAD() { // 14
1673#ifdef PSXBIOS_LOG
1674 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1675#endif
1676
1677 pad_buf1 = NULL;
1678 pad_buf2 = NULL;
1679 pc0 = ra;
1680}
1681
1682void psxBios_PAD_init() { // 15
1683#ifdef PSXBIOS_LOG
1684 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1685#endif
a824e83d 1686 if (!(a0 == 0x20000000 || a0 == 0x20000001))
1687 {
1688 v0 = 0;
1689 pc0 = ra;
1690 return;
1691 }
ef79bbde
P		 1692 psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1693 pad_buf = (int *)Ra1;
1694 *pad_buf = -1;
1695 psxRegs.CP0.n.Status |= 0x401;
a824e83d 1696 v0 = 2;
ef79bbde
P		 1697 pc0 = ra;
1698}
1699
1700void psxBios_PAD_dr() { // 16
1701#ifdef PSXBIOS_LOG
1702 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1703#endif
1704
1705 v0 = -1; pc0 = ra;
1706}
1707
1708void psxBios_ReturnFromException() { // 17
1709 LoadRegs();
1710
1711 pc0 = psxRegs.CP0.n.EPC;
1712 if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1713
1714 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1715 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1716}
1717
1718void psxBios_ResetEntryInt() { // 18
1719#ifdef PSXBIOS_LOG
1720 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1721#endif
1722
1723 jmp_int = NULL;
1724 pc0 = ra;
1725}
1726
1727void psxBios_HookEntryInt() { // 19
1728#ifdef PSXBIOS_LOG
1729 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
1730#endif
1731
1732 jmp_int = (u32*)Ra0;
1733 pc0 = ra;
1734}
1735
1736void psxBios_UnDeliverEvent() { // 0x20
1737 int ev, spec;
1738 int i;
1739
1740 GetEv();
1741 GetSpec();
1742
1743#ifdef PSXBIOS_LOG
1744 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
1745#endif
1746
1747 if (Event[ev][spec].status == EvStALREADY &&
1748 Event[ev][spec].mode == EvMdNOINTR)
1749 Event[ev][spec].status = EvStACTIVE;
1750
1751 pc0 = ra;
1752}
1753
595a136b 1754char ffile[64], *pfile;
1755int nfile;
1756static void buopen(int mcd, u8 *ptr, u8 *cfg)
1757{
1758 int i;
1759 u8 *fptr = ptr;
1760
1761 strcpy(FDesc[1 + mcd].name, Ra0+5);
1762 FDesc[1 + mcd].offset = 0;
1763 FDesc[1 + mcd].mode = a1;
1764
1765 for (i=1; i<16; i++) {
1766 fptr += 128;
1767 if ((*fptr & 0xF0) != 0x50) continue;
1768 if (strcmp(FDesc[1 + mcd].name, fptr+0xa)) continue;
1769 FDesc[1 + mcd].mcfile = i;
1770 SysPrintf("open %s\n", fptr+0xa);
1771 v0 = 1 + mcd;
1772 break;
1773 }
1774 if (a1 & 0x200 && v0 == -1) { /* FCREAT */
1775 fptr = ptr;
1776 for (i=1; i<16; i++) {
1777 int j, xor, nblk = a1 >> 16;
1778 u8 *pptr, *fptr2;
1779
1780 fptr += 128;
1781 if ((*fptr & 0xF0) != 0xa0) continue;
1782
1783 FDesc[1 + mcd].mcfile = i;
1784 fptr[0] = 0x51;
1785 fptr[4] = 0x00;
1786 fptr[5] = 0x20 * nblk;
1787 fptr[6] = 0x00;
1788 fptr[7] = 0x00;
1789 strcpy(fptr+0xa, FDesc[1 + mcd].name);
1790 pptr = fptr2 = fptr;
1791 for(j=2; j<=nblk; j++) {
1792 int k;
1793 for(i++; i<16; i++) {
1794 fptr2 += 128;
1795
1796 memset(fptr2, 0, 128);
1797 fptr2[0] = j < nblk ? 0x52 : 0x53;
1798 pptr[8] = i - 1;
1799 pptr[9] = 0;
1800 for (k=0, xor=0; k<127; k++) xor^= pptr[k];
1801 pptr[127] = xor;
1802 pptr = fptr2;
1803 break;
1804 }
1805 /* shouldn't this return ENOSPC if i == 16? */
1806 }
1807 pptr[8] = pptr[9] = 0xff;
1808 for (j=0, xor=0; j<127; j++) xor^= pptr[j];
1809 pptr[127] = xor;
1810 SysPrintf("openC %s %d\n", ptr, nblk);
1811 v0 = 1 + mcd;
1812 /* just go ahead and resave them all */
1813 SaveMcd(cfg, ptr, 128, 128 * 15);
1814 break;
1815 }
1816 /* shouldn't this return ENOSPC if i == 16? */
1817 }
ef79bbde
P		 1818}
1819
1820/*
1821 * int open(char *name , int mode);
1822 */
1823
1824void psxBios_open() { // 0x32
1825 int i;
1826 char *ptr;
02949f79 1827 void *pa0 = Ra0;
ef79bbde
P		 1828
1829#ifdef PSXBIOS_LOG
1830 PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
1831#endif
1832
1833 v0 = -1;
1834
02949f79 1835 if (pa0) {
1836 if (!strncmp(pa0, "bu00", 4)) {
595a136b 1837 buopen(1, Mcd1Data, Config.Mcd1);
02949f79 1838 }
ef79bbde 1839
02949f79 1840 if (!strncmp(pa0, "bu10", 4)) {
595a136b 1841 buopen(2, Mcd2Data, Config.Mcd2);
02949f79 1842 }
ef79bbde
P		 1843 }
1844
1845 pc0 = ra;
1846}
1847
1848/*
1849 * int lseek(int fd , int offset , int whence);
1850 */
1851
1852void psxBios_lseek() { // 0x33
1853#ifdef PSXBIOS_LOG
1854 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
1855#endif
1856
1857 switch (a2) {
1858 case 0: // SEEK_SET
1859 FDesc[a0].offset = a1;
1860 v0 = a1;
1861// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1862// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1863 break;
1864
1865 case 1: // SEEK_CUR
1866 FDesc[a0].offset+= a1;
1867 v0 = FDesc[a0].offset;
1868 break;
1869 }
1870
1871 pc0 = ra;
1872}
1873
595a136b 1874#define buread(Ra1, mcd, length) { \
ef79bbde
P		 1875 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); \
1876 ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
595a136b 1877 memcpy(Ra1, ptr, length); \
ef79bbde
P		 1878 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1879 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
595a136b 1880 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1881 else v0 = length; \
1882 FDesc[1 + mcd].offset += v0; \
ef79bbde
P		 1883}
1884
595a136b 1885
1886
ef79bbde
P		 1887/*
1888 * int read(int fd , void *buf , int nbytes);
1889 */
1890
1891void psxBios_read() { // 0x34
1892 char *ptr;
02949f79 1893 void *pa1 = Ra1;
ef79bbde
P		 1894
1895#ifdef PSXBIOS_LOG
1896 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
1897#endif
1898
1899 v0 = -1;
1900
02949f79 1901 if (pa1) {
1902 switch (a0) {
595a136b 1903 case 2: buread(pa1, 1, a2); break;
1904 case 3: buread(pa1, 2, a2); break;
02949f79 1905 }
ef79bbde
P		 1906 }
1907
1908 pc0 = ra;
1909}
1910
595a136b 1911#define buwrite(Ra1, mcd, length) { \
ef79bbde
P		 1912 u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1913 SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \
1914 ptr = Mcd##mcd##Data + offset; \
595a136b 1915 memcpy(ptr, Ra1, length); \
ef79bbde
P		 1916 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1917 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
595a136b 1918 FDesc[1 + mcd].offset += length; \
1919 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1920 else v0 = length; \
ef79bbde
P		 1921}
1922
1923/*
1924 * int write(int fd , void *buf , int nbytes);
1925 */
1926
1927void psxBios_write() { // 0x35/0x03
1928 char *ptr;
02949f79 1929 void *pa1 = Ra1;
1930
1931#ifdef PSXBIOS_LOG
1932 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
1933#endif
1934
1935 v0 = -1;
1936 if (!pa1) {
1937 pc0 = ra;
1938 return;
1939 }
ef79bbde
P		 1940
1941 if (a0 == 1) { // stdout
02949f79 1942 char *ptr = pa1;
ef79bbde 1943
02949f79 1944 v0 = a2;
ef79bbde
P		 1945 while (a2 > 0) {
1946 SysPrintf("%c", *ptr++); a2--;
1947 }
1948 pc0 = ra; return;
1949 }
ef79bbde
P		 1950
1951 switch (a0) {
595a136b 1952 case 2: buwrite(pa1, 1, a2); break;
1953 case 3: buwrite(pa1, 2, a2); break;
ef79bbde
P		 1954 }
1955
1956 pc0 = ra;
1957}
1958
1959/*
1960 * int close(int fd);
1961 */
1962
1963void psxBios_close() { // 0x36
1964#ifdef PSXBIOS_LOG
1965 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
1966#endif
1967
1968 v0 = a0;
1969 pc0 = ra;
1970}
1971
1972void psxBios_putchar() { // 3d
1973 SysPrintf("%c", (char)a0);
1974 pc0 = ra;
1975}
1976
1977void psxBios_puts() { // 3e/3f
808a13bd 1978 SysPrintf("%s", Ra0);
ef79bbde
P		 1979 pc0 = ra;
1980}
1981
1982char ffile[64], *pfile;
1983int nfile;
1984
1985#define bufile(mcd) { \
1986 while (nfile < 16) { \
1987 int match=1; \
1988 \
595a136b 1989 ptr = Mcd##mcd##Data + 128 * (nfile + 1); \
ef79bbde
P		 1990 nfile++; \
1991 if ((*ptr & 0xF0) != 0x50) continue; \
595a136b 1992 /* Bug link files show up as free block. */ \
1993 if (!ptr[0xa]) continue; \
ef79bbde
P		 1994 ptr+= 0xa; \
1995 if (pfile[0] == 0) { \
507d7c1d 1996 strncpy(dir->name, ptr, sizeof(dir->name)); \
1997 dir->name[sizeof(dir->name) - 1] = '\0'; \
ef79bbde
P		 1998 } else for (i=0; i<20; i++) { \
1999 if (pfile[i] == ptr[i]) { \
595a136b 2000 dir->name[i] = ptr[i]; continue; } \
ef79bbde
P		 2001 if (pfile[i] == '?') { \
2002 dir->name[i] = ptr[i]; continue; } \
2003 if (pfile[i] == '*') { \
2004 strcpy(dir->name+i, ptr+i); break; } \
2005 match = 0; break; \
2006 } \
2007 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
595a136b 2008 if (match == 0) { continue; } \
ef79bbde
P		 2009 dir->size = 8192; \
2010 v0 = _dir; \
2011 break; \
2012 } \
2013}
2014
2015/*
2016 * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
2017 */
2018
2019void psxBios_firstfile() { // 42
2020 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
02949f79 2021 void *pa0 = Ra0;
ef79bbde
P		 2022 u32 _dir = a1;
2023 char *ptr;
2024 int i;
2025
2026#ifdef PSXBIOS_LOG
2027 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
2028#endif
2029
2030 v0 = 0;
2031
02949f79 2032 if (pa0) {
2033 strcpy(ffile, pa0);
2034 pfile = ffile+5;
2035 nfile = 1;
2036 if (!strncmp(pa0, "bu00", 4)) {
2037 bufile(1);
2038 } else if (!strncmp(pa0, "bu10", 4)) {
2039 bufile(2);
2040 }
ef79bbde
P		 2041 }
2042
66ade381 2043 // firstfile() calls _card_read() internally, so deliver it's event
2044 DeliverEvent(0x11, 0x2);
2045
ef79bbde
P		 2046 pc0 = ra;
2047}
2048
2049/*
2050 * struct DIRENTRY* nextfile(struct DIRENTRY *dir);
2051 */
2052
2053void psxBios_nextfile() { // 43
2054 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
2055 u32 _dir = a0;
2056 char *ptr;
2057 int i;
2058
2059#ifdef PSXBIOS_LOG
2060 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
2061#endif
2062
2063 v0 = 0;
2064
2065 if (!strncmp(ffile, "bu00", 4)) {
2066 bufile(1);
2067 }
2068
2069 if (!strncmp(ffile, "bu10", 4)) {
2070 bufile(2);
2071 }
2072
2073 pc0 = ra;
2074}
2075
2076#define burename(mcd) { \
2077 for (i=1; i<16; i++) { \
2078 int namelen, j, xor = 0; \
2079 ptr = Mcd##mcd##Data + 128 * i; \
2080 if ((*ptr & 0xF0) != 0x50) continue; \
2081 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2082 namelen = strlen(Ra1+5); \
2083 memcpy(ptr+0xa, Ra1+5, namelen); \
2084 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
2085 for (j=0; j<127; j++) xor^= ptr[j]; \
2086 ptr[127] = xor; \
2087 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
2088 v0 = 1; \
2089 break; \
2090 } \
2091}
2092
2093/*
2094 * int rename(char *old, char *new);
2095 */
2096
2097void psxBios_rename() { // 44
02949f79 2098 void *pa0 = Ra0;
2099 void *pa1 = Ra1;
ef79bbde
P		 2100 char *ptr;
2101 int i;
2102
2103#ifdef PSXBIOS_LOG
2104 PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
2105#endif
2106
2107 v0 = 0;
2108
02949f79 2109 if (pa0 && pa1) {
2110 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
2111 burename(1);
2112 }
ef79bbde 2113
02949f79 2114 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
2115 burename(2);
2116 }
ef79bbde
P		 2117 }
2118
2119 pc0 = ra;
2120}
2121
2122
2123#define budelete(mcd) { \
2124 for (i=1; i<16; i++) { \
2125 ptr = Mcd##mcd##Data + 128 * i; \
2126 if ((*ptr & 0xF0) != 0x50) continue; \
2127 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2128 *ptr = (*ptr & 0xf) | 0xA0; \
2129 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
2130 SysPrintf("delete %s\n", ptr+0xa); \
2131 v0 = 1; \
2132 break; \
2133 } \
2134}
2135
2136/*
2137 * int delete(char *name);
2138 */
2139
2140void psxBios_delete() { // 45
02949f79 2141 void *pa0 = Ra0;
ef79bbde
P		 2142 char *ptr;
2143 int i;
2144
2145#ifdef PSXBIOS_LOG
2146 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2147#endif
2148
2149 v0 = 0;
2150
02949f79 2151 if (pa0) {
2152 if (!strncmp(pa0, "bu00", 4)) {
2153 budelete(1);
2154 }
ef79bbde 2155
02949f79 2156 if (!strncmp(pa0, "bu10", 4)) {
2157 budelete(2);
2158 }
ef79bbde
P		 2159 }
2160
2161 pc0 = ra;
2162}
2163
2164void psxBios_InitCARD() { // 4a
2165#ifdef PSXBIOS_LOG
2166 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2167#endif
2168
2169 CardState = 0;
2170
2171 pc0 = ra;
2172}
2173
2174void psxBios_StartCARD() { // 4b
2175#ifdef PSXBIOS_LOG
2176 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2177#endif
2178
2179 if (CardState == 0) CardState = 1;
2180
2181 pc0 = ra;
2182}
2183
2184void psxBios_StopCARD() { // 4c
2185#ifdef PSXBIOS_LOG
2186 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2187#endif
2188
2189 if (CardState == 1) CardState = 0;
2190
2191 pc0 = ra;
2192}
2193
2194void psxBios__card_write() { // 0x4e
02949f79 2195 void *pa2 = Ra2;
ef79bbde
P		 2196 int port;
2197
2198#ifdef PSXBIOS_LOG
2199 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2200#endif
bd48ba5e 2201 /* Function also accepts sector 400h (a bug) */
2202 if (!(a1 <= 0x400))
2203 {
2204 /* Invalid sectors */
2205 v0 = 0; pc0 = ra;
2206 return;
2207 }
e9fda093 2208 card_active_chan = a0;
ef79bbde
P		 2209 port = a0 >> 4;
2210
02949f79 2211 if (pa2) {
2212 if (port == 0) {
2213 memcpy(Mcd1Data + a1 * 128, pa2, 128);
2214 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2215 } else {
2216 memcpy(Mcd2Data + a1 * 128, pa2, 128);
2217 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2218 }
ef79bbde
P		 2219 }
2220
2221 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2222// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2223
2224 v0 = 1; pc0 = ra;
2225}
2226
2227void psxBios__card_read() { // 0x4f
02949f79 2228 void *pa2 = Ra2;
ef79bbde
P		 2229 int port;
2230
2231#ifdef PSXBIOS_LOG
2232 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2233#endif
bd48ba5e 2234 /* Function also accepts sector 400h (a bug) */
2235 if (!(a1 <= 0x400))
2236 {
2237 /* Invalid sectors */
2238 v0 = 0; pc0 = ra;
2239 return;
2240 }
e9fda093 2241 card_active_chan = a0;
ef79bbde
P		 2242 port = a0 >> 4;
2243
02949f79 2244 if (pa2) {
2245 if (port == 0) {
2246 memcpy(pa2, Mcd1Data + a1 * 128, 128);
2247 } else {
2248 memcpy(pa2, Mcd2Data + a1 * 128, 128);
2249 }
ef79bbde
P		 2250 }
2251
2252 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2253// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2254
2255 v0 = 1; pc0 = ra;
2256}
2257
2258void psxBios__new_card() { // 0x50
2259#ifdef PSXBIOS_LOG
2260 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2261#endif
2262
2263 pc0 = ra;
2264}
2265
2266void psxBios_Krom2RawAdd() { // 0x51
2267 int i = 0;
2268
2269 const u32 table_8140[][2] = {
2270 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2271 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2272 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2273 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2274 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2275 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2276 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2277 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2278 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2279 {0xffff, 0}
2280 };
2281
2282 const u32 table_889f[][2] = {
2283 {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4},
2284 {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304},
2285 {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14},
2286 {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24},
2287 {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734},
2288 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2289 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2290 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2291 {0xffff, 0}
2292 };
2293
2294 if (a0 >= 0x8140 && a0 <= 0x84be) {
2295 while (table_8140[i][0] <= a0) i++;
2296 a0 -= table_8140[i - 1][0];
2297 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2298 } else if (a0 >= 0x889f && a0 <= 0x9872) {
2299 while (table_889f[i][0] <= a0) i++;
2300 a0 -= table_889f[i - 1][0];
2301 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2302 } else {
2303 v0 = 0xffffffff;
2304 }
2305
2306 pc0 = ra;
2307}
2308
2309void psxBios_GetC0Table() { // 56
2310#ifdef PSXBIOS_LOG
2311 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2312#endif
2313
2314 v0 = 0x674; pc0 = ra;
2315}
2316
2317void psxBios_GetB0Table() { // 57
2318#ifdef PSXBIOS_LOG
2319 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2320#endif
2321
2322 v0 = 0x874; pc0 = ra;
2323}
2324
e9fda093 2325void psxBios__card_chan() { // 0x58
2326#ifdef PSXBIOS_LOG
2327 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2328#endif
2329
2330 v0 = card_active_chan;
2331 pc0 = ra;
2332}
2333
ef79bbde
P		 2334void psxBios_ChangeClearPad() { // 5b
2335#ifdef PSXBIOS_LOG
2336 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2337#endif
2338
2339 pc0 = ra;
2340}
2341
2342/* System calls C0 */
2343
2344/*
2345 * int SysEnqIntRP(int index , long *queue);
2346 */
2347
2348void psxBios_SysEnqIntRP() { // 02
2349#ifdef PSXBIOS_LOG
2350 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2351#endif
2352
2353 SysIntRP[a0] = a1;
2354
2355 v0 = 0; pc0 = ra;
2356}
2357
2358/*
2359 * int SysDeqIntRP(int index , long *queue);
2360 */
2361
2362void psxBios_SysDeqIntRP() { // 03
2363#ifdef PSXBIOS_LOG
2364 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2365#endif
2366
2367 SysIntRP[a0] = 0;
2368
2369 v0 = 0; pc0 = ra;
2370}
2371
2372void psxBios_ChangeClearRCnt() { // 0a
2373 u32 *ptr;
2374
2375#ifdef PSXBIOS_LOG
2376 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2377#endif
2378
2379 ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2380 v0 = *ptr;
2381 *ptr = a1;
2382
2383// psxRegs.CP0.n.Status|= 0x404;
2384 pc0 = ra;
2385}
2386
2387void psxBios_dummy() {
2388#ifdef PSXBIOS_LOG
2389 PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2390#endif
2391 pc0 = ra;
2392}
2393
2394void (*biosA0[256])();
2395void (*biosB0[256])();
2396void (*biosC0[256])();
2397
2398#include "sjisfont.h"
2399
2400void psxBiosInit() {
2401 u32 base, size;
2402 u32 *ptr;
2403 int i;
2404 uLongf len;
2405
2406 for(i = 0; i < 256; i++) {
2407 biosA0[i] = NULL;
2408 biosB0[i] = NULL;
2409 biosC0[i] = NULL;
2410 }
2411 biosA0[0x3e] = psxBios_puts;
2412 biosA0[0x3f] = psxBios_printf;
2413
2414 biosB0[0x3d] = psxBios_putchar;
2415 biosB0[0x3f] = psxBios_puts;
2416
2417 if (!Config.HLE) return;
2418
2419 for(i = 0; i < 256; i++) {
2420 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2421 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2422 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2423 }
2424
2425 biosA0[0x00] = psxBios_open;
2426 biosA0[0x01] = psxBios_lseek;
2427 biosA0[0x02] = psxBios_read;
2428 biosA0[0x03] = psxBios_write;
2429 biosA0[0x04] = psxBios_close;
2430 //biosA0[0x05] = psxBios_ioctl;
2431 //biosA0[0x06] = psxBios_exit;
2432 //biosA0[0x07] = psxBios_sys_a0_07;
324cec89 2433 biosA0[0x08] = psxBios_getc;
2434 biosA0[0x09] = psxBios_putc;
ef79bbde
P		 2435 //biosA0[0x0a] = psxBios_todigit;
2436 //biosA0[0x0b] = psxBios_atof;
2437 //biosA0[0x0c] = psxBios_strtoul;
2438 //biosA0[0x0d] = psxBios_strtol;
2439 biosA0[0x0e] = psxBios_abs;
2440 biosA0[0x0f] = psxBios_labs;
2441 biosA0[0x10] = psxBios_atoi;
2442 biosA0[0x11] = psxBios_atol;
2443 //biosA0[0x12] = psxBios_atob;
2444 biosA0[0x13] = psxBios_setjmp;
2445 biosA0[0x14] = psxBios_longjmp;
2446 biosA0[0x15] = psxBios_strcat;
2447 biosA0[0x16] = psxBios_strncat;
2448 biosA0[0x17] = psxBios_strcmp;
2449 biosA0[0x18] = psxBios_strncmp;
2450 biosA0[0x19] = psxBios_strcpy;
2451 biosA0[0x1a] = psxBios_strncpy;
2452 biosA0[0x1b] = psxBios_strlen;
2453 biosA0[0x1c] = psxBios_index;
2454 biosA0[0x1d] = psxBios_rindex;
2455 biosA0[0x1e] = psxBios_strchr;
2456 biosA0[0x1f] = psxBios_strrchr;
2457 biosA0[0x20] = psxBios_strpbrk;
2458 biosA0[0x21] = psxBios_strspn;
2459 biosA0[0x22] = psxBios_strcspn;
2460 biosA0[0x23] = psxBios_strtok;
2461 biosA0[0x24] = psxBios_strstr;
2462 biosA0[0x25] = psxBios_toupper;
2463 biosA0[0x26] = psxBios_tolower;
2464 biosA0[0x27] = psxBios_bcopy;
2465 biosA0[0x28] = psxBios_bzero;
2466 biosA0[0x29] = psxBios_bcmp;
2467 biosA0[0x2a] = psxBios_memcpy;
2468 biosA0[0x2b] = psxBios_memset;
2469 biosA0[0x2c] = psxBios_memmove;
2470 biosA0[0x2d] = psxBios_memcmp;
2471 biosA0[0x2e] = psxBios_memchr;
2472 biosA0[0x2f] = psxBios_rand;
2473 biosA0[0x30] = psxBios_srand;
2474 biosA0[0x31] = psxBios_qsort;
2475 //biosA0[0x32] = psxBios_strtod;
2476 biosA0[0x33] = psxBios_malloc;
2477 biosA0[0x34] = psxBios_free;
2478 //biosA0[0x35] = psxBios_lsearch;
2479 //biosA0[0x36] = psxBios_bsearch;
2480 biosA0[0x37] = psxBios_calloc;
2481 biosA0[0x38] = psxBios_realloc;
2482 biosA0[0x39] = psxBios_InitHeap;
2483 //biosA0[0x3a] = psxBios__exit;
2484 biosA0[0x3b] = psxBios_getchar;
2485 biosA0[0x3c] = psxBios_putchar;
2486 //biosA0[0x3d] = psxBios_gets;
2487 //biosA0[0x40] = psxBios_sys_a0_40;
2488 //biosA0[0x41] = psxBios_LoadTest;
2489 biosA0[0x42] = psxBios_Load;
2490 biosA0[0x43] = psxBios_Exec;
2491 biosA0[0x44] = psxBios_FlushCache;
2492 //biosA0[0x45] = psxBios_InstallInterruptHandler;
2493 biosA0[0x46] = psxBios_GPU_dw;
2494 biosA0[0x47] = psxBios_mem2vram;
2495 biosA0[0x48] = psxBios_SendGPU;
2496 biosA0[0x49] = psxBios_GPU_cw;
2497 biosA0[0x4a] = psxBios_GPU_cwb;
2498 biosA0[0x4b] = psxBios_GPU_SendPackets;
2499 biosA0[0x4c] = psxBios_sys_a0_4c;
2500 biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2501 //biosA0[0x4e] = psxBios_GPU_sync;
2502 //biosA0[0x4f] = psxBios_sys_a0_4f;
2503 //biosA0[0x50] = psxBios_sys_a0_50;
2504 biosA0[0x51] = psxBios_LoadExec;
2505 //biosA0[0x52] = psxBios_GetSysSp;
2506 //biosA0[0x53] = psxBios_sys_a0_53;
2507 //biosA0[0x54] = psxBios__96_init_a54;
2508 //biosA0[0x55] = psxBios__bu_init_a55;
2509 //biosA0[0x56] = psxBios__96_remove_a56;
2510 //biosA0[0x57] = psxBios_sys_a0_57;
2511 //biosA0[0x58] = psxBios_sys_a0_58;
2512 //biosA0[0x59] = psxBios_sys_a0_59;
2513 //biosA0[0x5a] = psxBios_sys_a0_5a;
2514 //biosA0[0x5b] = psxBios_dev_tty_init;
2515 //biosA0[0x5c] = psxBios_dev_tty_open;
2516 //biosA0[0x5d] = psxBios_sys_a0_5d;
2517 //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2518 //biosA0[0x5f] = psxBios_dev_cd_open;
2519 //biosA0[0x60] = psxBios_dev_cd_read;
2520 //biosA0[0x61] = psxBios_dev_cd_close;
2521 //biosA0[0x62] = psxBios_dev_cd_firstfile;
2522 //biosA0[0x63] = psxBios_dev_cd_nextfile;
2523 //biosA0[0x64] = psxBios_dev_cd_chdir;
2524 //biosA0[0x65] = psxBios_dev_card_open;
2525 //biosA0[0x66] = psxBios_dev_card_read;
2526 //biosA0[0x67] = psxBios_dev_card_write;
2527 //biosA0[0x68] = psxBios_dev_card_close;
2528 //biosA0[0x69] = psxBios_dev_card_firstfile;
2529 //biosA0[0x6a] = psxBios_dev_card_nextfile;
2530 //biosA0[0x6b] = psxBios_dev_card_erase;
2531 //biosA0[0x6c] = psxBios_dev_card_undelete;
2532 //biosA0[0x6d] = psxBios_dev_card_format;
2533 //biosA0[0x6e] = psxBios_dev_card_rename;
2534 //biosA0[0x6f] = psxBios_dev_card_6f;
2535 biosA0[0x70] = psxBios__bu_init;
2536 biosA0[0x71] = psxBios__96_init;
2537 biosA0[0x72] = psxBios__96_remove;
2538 //biosA0[0x73] = psxBios_sys_a0_73;
2539 //biosA0[0x74] = psxBios_sys_a0_74;
2540 //biosA0[0x75] = psxBios_sys_a0_75;
2541 //biosA0[0x76] = psxBios_sys_a0_76;
2542 //biosA0[0x77] = psxBios_sys_a0_77;
2543 //biosA0[0x78] = psxBios__96_CdSeekL;
2544 //biosA0[0x79] = psxBios_sys_a0_79;
2545 //biosA0[0x7a] = psxBios_sys_a0_7a;
2546 //biosA0[0x7b] = psxBios_sys_a0_7b;
2547 //biosA0[0x7c] = psxBios__96_CdGetStatus;
2548 //biosA0[0x7d] = psxBios_sys_a0_7d;
2549 //biosA0[0x7e] = psxBios__96_CdRead;
2550 //biosA0[0x7f] = psxBios_sys_a0_7f;
2551 //biosA0[0x80] = psxBios_sys_a0_80;
2552 //biosA0[0x81] = psxBios_sys_a0_81;
2553 //biosA0[0x82] = psxBios_sys_a0_82;
2554 //biosA0[0x83] = psxBios_sys_a0_83;
2555 //biosA0[0x84] = psxBios_sys_a0_84;
2556 //biosA0[0x85] = psxBios__96_CdStop;
2557 //biosA0[0x86] = psxBios_sys_a0_86;
2558 //biosA0[0x87] = psxBios_sys_a0_87;
2559 //biosA0[0x88] = psxBios_sys_a0_88;
2560 //biosA0[0x89] = psxBios_sys_a0_89;
2561 //biosA0[0x8a] = psxBios_sys_a0_8a;
2562 //biosA0[0x8b] = psxBios_sys_a0_8b;
2563 //biosA0[0x8c] = psxBios_sys_a0_8c;
2564 //biosA0[0x8d] = psxBios_sys_a0_8d;
2565 //biosA0[0x8e] = psxBios_sys_a0_8e;
2566 //biosA0[0x8f] = psxBios_sys_a0_8f;
2567 //biosA0[0x90] = psxBios_sys_a0_90;
2568 //biosA0[0x91] = psxBios_sys_a0_91;
2569 //biosA0[0x92] = psxBios_sys_a0_92;
2570 //biosA0[0x93] = psxBios_sys_a0_93;
2571 //biosA0[0x94] = psxBios_sys_a0_94;
2572 //biosA0[0x95] = psxBios_sys_a0_95;
2573 //biosA0[0x96] = psxBios_AddCDROMDevice;
2574 //biosA0[0x97] = psxBios_AddMemCardDevide;
2575 //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2576 //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2577 //biosA0[0x9a] = psxBios_sys_a0_9a;
2578 //biosA0[0x9b] = psxBios_sys_a0_9b;
2579 //biosA0[0x9c] = psxBios_SetConf;
2580 //biosA0[0x9d] = psxBios_GetConf;
2581 //biosA0[0x9e] = psxBios_sys_a0_9e;
2582 biosA0[0x9f] = psxBios_SetMem;
2583 //biosA0[0xa0] = psxBios__boot;
2584 //biosA0[0xa1] = psxBios_SystemError;
2585 //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2586 //biosA0[0xa3] = psxBios_DequeueCdIntr;
2587 //biosA0[0xa4] = psxBios_sys_a0_a4;
2588 //biosA0[0xa5] = psxBios_ReadSector;
2589 //biosA0[0xa6] = psxBios_get_cd_status;
2590 //biosA0[0xa7] = psxBios_bufs_cb_0;
2591 //biosA0[0xa8] = psxBios_bufs_cb_1;
2592 //biosA0[0xa9] = psxBios_bufs_cb_2;
2593 //biosA0[0xaa] = psxBios_bufs_cb_3;
2594 biosA0[0xab] = psxBios__card_info;
2595 biosA0[0xac] = psxBios__card_load;
2596 //biosA0[0axd] = psxBios__card_auto;
2597 //biosA0[0xae] = psxBios_bufs_cd_4;
2598 //biosA0[0xaf] = psxBios_sys_a0_af;
2599 //biosA0[0xb0] = psxBios_sys_a0_b0;
2600 //biosA0[0xb1] = psxBios_sys_a0_b1;
2601 //biosA0[0xb2] = psxBios_do_a_long_jmp
2602 //biosA0[0xb3] = psxBios_sys_a0_b3;
2603 //biosA0[0xb4] = psxBios_sub_function;
2604//*******************B0 CALLS****************************
2605 //biosB0[0x00] = psxBios_SysMalloc;
2606 //biosB0[0x01] = psxBios_sys_b0_01;
2607 biosB0[0x02] = psxBios_SetRCnt;
2608 biosB0[0x03] = psxBios_GetRCnt;
2609 biosB0[0x04] = psxBios_StartRCnt;
2610 biosB0[0x05] = psxBios_StopRCnt;
2611 biosB0[0x06] = psxBios_ResetRCnt;
2612 biosB0[0x07] = psxBios_DeliverEvent;
2613 biosB0[0x08] = psxBios_OpenEvent;
2614 biosB0[0x09] = psxBios_CloseEvent;
2615 biosB0[0x0a] = psxBios_WaitEvent;
2616 biosB0[0x0b] = psxBios_TestEvent;
2617 biosB0[0x0c] = psxBios_EnableEvent;
2618 biosB0[0x0d] = psxBios_DisableEvent;
2619 biosB0[0x0e] = psxBios_OpenTh;
2620 biosB0[0x0f] = psxBios_CloseTh;
2621 biosB0[0x10] = psxBios_ChangeTh;
2622 //biosB0[0x11] = psxBios_psxBios_b0_11;
2623 biosB0[0x12] = psxBios_InitPAD;
2624 biosB0[0x13] = psxBios_StartPAD;
2625 biosB0[0x14] = psxBios_StopPAD;
2626 biosB0[0x15] = psxBios_PAD_init;
2627 biosB0[0x16] = psxBios_PAD_dr;
2628 biosB0[0x17] = psxBios_ReturnFromException;
2629 biosB0[0x18] = psxBios_ResetEntryInt;
2630 biosB0[0x19] = psxBios_HookEntryInt;
2631 //biosB0[0x1a] = psxBios_sys_b0_1a;
2632 //biosB0[0x1b] = psxBios_sys_b0_1b;
2633 //biosB0[0x1c] = psxBios_sys_b0_1c;
2634 //biosB0[0x1d] = psxBios_sys_b0_1d;
2635 //biosB0[0x1e] = psxBios_sys_b0_1e;
2636 //biosB0[0x1f] = psxBios_sys_b0_1f;
2637 biosB0[0x20] = psxBios_UnDeliverEvent;
2638 //biosB0[0x21] = psxBios_sys_b0_21;
2639 //biosB0[0x22] = psxBios_sys_b0_22;
2640 //biosB0[0x23] = psxBios_sys_b0_23;
2641 //biosB0[0x24] = psxBios_sys_b0_24;
2642 //biosB0[0x25] = psxBios_sys_b0_25;
2643 //biosB0[0x26] = psxBios_sys_b0_26;
2644 //biosB0[0x27] = psxBios_sys_b0_27;
2645 //biosB0[0x28] = psxBios_sys_b0_28;
2646 //biosB0[0x29] = psxBios_sys_b0_29;
2647 //biosB0[0x2a] = psxBios_sys_b0_2a;
2648 //biosB0[0x2b] = psxBios_sys_b0_2b;
2649 //biosB0[0x2c] = psxBios_sys_b0_2c;
2650 //biosB0[0x2d] = psxBios_sys_b0_2d;
2651 //biosB0[0x2e] = psxBios_sys_b0_2e;
2652 //biosB0[0x2f] = psxBios_sys_b0_2f;
2653 //biosB0[0x30] = psxBios_sys_b0_30;
2654 //biosB0[0x31] = psxBios_sys_b0_31;
2655 biosB0[0x32] = psxBios_open;
2656 biosB0[0x33] = psxBios_lseek;
2657 biosB0[0x34] = psxBios_read;
2658 biosB0[0x35] = psxBios_write;
2659 biosB0[0x36] = psxBios_close;
2660 //biosB0[0x37] = psxBios_ioctl;
2661 //biosB0[0x38] = psxBios_exit;
2662 //biosB0[0x39] = psxBios_sys_b0_39;
2663 //biosB0[0x3a] = psxBios_getc;
2664 //biosB0[0x3b] = psxBios_putc;
2665 biosB0[0x3c] = psxBios_getchar;
2666 //biosB0[0x3e] = psxBios_gets;
2667 //biosB0[0x40] = psxBios_cd;
e7e1f572 2668 biosB0[0x41] = psxBios_format;
ef79bbde
P		 2669 biosB0[0x42] = psxBios_firstfile;
2670 biosB0[0x43] = psxBios_nextfile;
2671 biosB0[0x44] = psxBios_rename;
2672 biosB0[0x45] = psxBios_delete;
2673 //biosB0[0x46] = psxBios_undelete;
2674 //biosB0[0x47] = psxBios_AddDevice;
2675 //biosB0[0x48] = psxBios_RemoteDevice;
2676 //biosB0[0x49] = psxBios_PrintInstalledDevices;
2677 biosB0[0x4a] = psxBios_InitCARD;
2678 biosB0[0x4b] = psxBios_StartCARD;
2679 biosB0[0x4c] = psxBios_StopCARD;
2680 //biosB0[0x4d] = psxBios_sys_b0_4d;
2681 biosB0[0x4e] = psxBios__card_write;
2682 biosB0[0x4f] = psxBios__card_read;
2683 biosB0[0x50] = psxBios__new_card;
2684 biosB0[0x51] = psxBios_Krom2RawAdd;
2685 //biosB0[0x52] = psxBios_sys_b0_52;
2686 //biosB0[0x53] = psxBios_sys_b0_53;
2687 //biosB0[0x54] = psxBios__get_errno;
2688 //biosB0[0x55] = psxBios__get_error;
2689 biosB0[0x56] = psxBios_GetC0Table;
2690 biosB0[0x57] = psxBios_GetB0Table;
e9fda093 2691 biosB0[0x58] = psxBios__card_chan;
ef79bbde
P		 2692 //biosB0[0x59] = psxBios_sys_b0_59;
2693 //biosB0[0x5a] = psxBios_sys_b0_5a;
2694 biosB0[0x5b] = psxBios_ChangeClearPad;
2695 //biosB0[0x5c] = psxBios__card_status;
2696 //biosB0[0x5d] = psxBios__card_wait;
2697//*******************C0 CALLS****************************
2698 //biosC0[0x00] = psxBios_InitRCnt;
2699 //biosC0[0x01] = psxBios_InitException;
2700 biosC0[0x02] = psxBios_SysEnqIntRP;
2701 biosC0[0x03] = psxBios_SysDeqIntRP;
2702 //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2703 //biosC0[0x05] = psxBios_get_free_TCB_slot;
2704 //biosC0[0x06] = psxBios_ExceptionHandler;
2705 //biosC0[0x07] = psxBios_InstallExeptionHandler;
2706 //biosC0[0x08] = psxBios_SysInitMemory;
2707 //biosC0[0x09] = psxBios_SysInitKMem;
2708 biosC0[0x0a] = psxBios_ChangeClearRCnt;
2709 //biosC0[0x0b] = psxBios_SystemError;
2710 //biosC0[0x0c] = psxBios_InitDefInt;
2711 //biosC0[0x0d] = psxBios_sys_c0_0d;
2712 //biosC0[0x0e] = psxBios_sys_c0_0e;
2713 //biosC0[0x0f] = psxBios_sys_c0_0f;
2714 //biosC0[0x10] = psxBios_sys_c0_10;
2715 //biosC0[0x11] = psxBios_sys_c0_11;
2716 //biosC0[0x12] = psxBios_InstallDevices;
2717 //biosC0[0x13] = psxBios_FlushStfInOutPut;
2718 //biosC0[0x14] = psxBios_sys_c0_14;
2719 //biosC0[0x15] = psxBios__cdevinput;
2720 //biosC0[0x16] = psxBios__cdevscan;
2721 //biosC0[0x17] = psxBios__circgetc;
2722 //biosC0[0x18] = psxBios__circputc;
2723 //biosC0[0x19] = psxBios_ioabort;
2724 //biosC0[0x1a] = psxBios_sys_c0_1a
2725 //biosC0[0x1b] = psxBios_KernelRedirect;
2726 //biosC0[0x1c] = psxBios_PatchAOTable;
2727//************** THE END ***************************************
2728/**/
2729 base = 0x1000;
2730 size = sizeof(EvCB) * 32;
2731 Event = (void *)&psxR[base]; base += size * 6;
2732 memset(Event, 0, size * 6);
2733 HwEV = Event;
2734 EvEV = Event + 32;
2735 RcEV = Event + 32 * 2;
2736 UeEV = Event + 32 * 3;
2737 SwEV = Event + 32 * 4;
2738 ThEV = Event + 32 * 5;
2739
2740 ptr = (u32 *)&psxM[0x0874]; // b0 table
2741 ptr[0] = SWAPu32(0x4c54 - 0x884);
2742
2743 ptr = (u32 *)&psxM[0x0674]; // c0 table
2744 ptr[6] = SWAPu32(0xc80);
2745
2746 memset(SysIntRP, 0, sizeof(SysIntRP));
2747 memset(Thread, 0, sizeof(Thread));
2748 Thread[0].status = 2; // main thread
2749
c62b43c9 2750 jmp_int = NULL;
2751 pad_buf = NULL;
2752 pad_buf1 = NULL;
2753 pad_buf2 = NULL;
2754 pad_buf1len = pad_buf2len = 0;
2755 heap_addr = NULL;
2756 heap_end = NULL;
2757 CardState = -1;
2758 CurThread = 0;
2759 memset(FDesc, 0, sizeof(FDesc));
2760
ef79bbde
P		 2761 psxMu32ref(0x0150) = SWAPu32(0x160);
2762 psxMu32ref(0x0154) = SWAPu32(0x320);
2763 psxMu32ref(0x0160) = SWAPu32(0x248);
2764 strcpy((char *)&psxM[0x248], "bu");
2765/* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
2766 psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
2767 psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
2768 psxMu32ref(0x09e0) = SWAPu32(0x43d0);
2769 psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
2770*/
2771 // opcode HLE
2772 psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
2773 psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
2774 psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
2775 psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
2776 psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
2777 psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
2778 psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
2779 psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
2780 psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
2781 psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
2782
2783 // initial stack pointer for BIOS interrupt
2784 psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
2785
2786 // initial RNG seed
2787 psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
2788
2789 // fonts
2790 len = 0x80000 - 0x66000;
2791 uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
2792 len = 0x80000 - 0x69d68;
2793 uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
2794
2795 // memory size 2 MB
2796 psxHu32ref(0x1060) = SWAPu32(0x00000b88);
2797
2798 hleSoftCall = FALSE;
2799}
2800
2801void psxBiosShutdown() {
2802}
2803
2804#define psxBios_PADpoll(pad) { \
2805 PAD##pad##_startPoll(pad); \
2806 pad_buf##pad[0] = 0; \
2807 pad_buf##pad[1] = PAD##pad##_poll(0x42); \
2808 if (!(pad_buf##pad[1] & 0x0f)) { \
2809 bufcount = 32; \
2810 } else { \
2811 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
2812 } \
2813 PAD##pad##_poll(0); \
2814 i = 2; \
2815 while (bufcount--) { \
2816 pad_buf##pad[i++] = PAD##pad##_poll(0); \
2817 } \
2818}
2819
2820void biosInterrupt() {
2821 int i, bufcount;
2822
2823// if (psxHu32(0x1070) & 0x1) { // Vsync
2824 if (pad_buf != NULL) {
2825 u32 *buf = (u32*)pad_buf;
2826
2827 if (!Config.UseNet) {
2828 PAD1_startPoll(1);
2829 if (PAD1_poll(0x42) == 0x23) {
2830 PAD1_poll(0);
2831 *buf = PAD1_poll(0) << 8;
2832 *buf |= PAD1_poll(0);
2833 PAD1_poll(0);
2834 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
2835 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
2836 } else {
2837 PAD1_poll(0);
2838 *buf = PAD1_poll(0) << 8;
2839 *buf|= PAD1_poll(0);
2840 }
2841
2842 PAD2_startPoll(2);
2843 if (PAD2_poll(0x42) == 0x23) {
2844 PAD2_poll(0);
2845 *buf |= PAD2_poll(0) << 24;
2846 *buf |= PAD2_poll(0) << 16;
2847 PAD2_poll(0);
2848 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
2849 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
2850 } else {
2851 PAD2_poll(0);
2852 *buf |= PAD2_poll(0) << 24;
2853 *buf |= PAD2_poll(0) << 16;
2854 }
2855 } else {
2856 u16 data;
2857
2858 PAD1_startPoll(1);
2859 PAD1_poll(0x42);
2860 PAD1_poll(0);
2861 data = PAD1_poll(0) << 8;
2862 data |= PAD1_poll(0);
2863
2864 if (NET_sendPadData(&data, 2) == -1)
2865 netError();
2866
2867 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
2868 netError();
2869 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
2870 netError();
2871 }
2872 }
2873 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
2874 psxBios_PADpoll(1);
2875
2876 if (NET_sendPadData(pad_buf1, i) == -1)
2877 netError();
2878
2879 if (NET_recvPadData(pad_buf1, 1) == -1)
2880 netError();
2881 if (NET_recvPadData(pad_buf2, 2) == -1)
2882 netError();
2883 } else {
2884 if (pad_buf1) {
2885 psxBios_PADpoll(1);
2886 }
2887
2888 if (pad_buf2) {
2889 psxBios_PADpoll(2);
2890 }
2891 }
2892
2893 if (psxHu32(0x1070) & 0x1) { // Vsync
2894 if (RcEV[3][1].status == EvStACTIVE) {
2895 softCall(RcEV[3][1].fhandler);
2896// hwWrite32(0x1f801070, ~(1));
2897 }
2898 }
2899
2900 if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
2901 int i;
2902
2903 for (i = 0; i < 3; i++) {
2904 if (psxHu32(0x1070) & (1 << (i + 4))) {
2905 if (RcEV[i][1].status == EvStACTIVE) {
2906 softCall(RcEV[i][1].fhandler);
2907 }
2908 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
2909 }
2910 }
2911 }
2912}
2913
2914void psxBiosException() {
2915 int i;
2916
2917 switch (psxRegs.CP0.n.Cause & 0x3c) {
2918 case 0x00: // Interrupt
2919#ifdef PSXCPU_LOG
2920// PSXCPU_LOG("interrupt\n");
2921#endif
2922 SaveRegs();
2923
2924 sp = psxMu32(0x6c80); // create new stack for interrupt handlers
2925
2926 biosInterrupt();
2927
2928 for (i = 0; i < 8; i++) {
2929 if (SysIntRP[i]) {
2930 u32 *queue = (u32 *)PSXM(SysIntRP[i]);
2931
2932 s0 = queue[2];
2933 softCall(queue[1]);
2934 }
2935 }
2936
2937 if (jmp_int != NULL) {
2938 int i;
2939
2940 psxHwWrite32(0x1f801070, 0xffffffff);
2941
2942 ra = jmp_int[0];
2943 sp = jmp_int[1];
2944 fp = jmp_int[2];
2945 for (i = 0; i < 8; i++) // s0-s7
2946 psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
2947 gp = jmp_int[11];
2948
2949 v0 = 1;
2950 pc0 = ra;
2951 return;
2952 }
2953 psxHwWrite16(0x1f801070, 0);
2954 break;
2955
2956 case 0x20: // Syscall
2957#ifdef PSXCPU_LOG
2958 PSXCPU_LOG("syscall exp %x\n", a0);
2959#endif
2960 switch (a0) {
2961 case 1: // EnterCritical - disable irq's
79dad1b3 2962 /* Fixes Medievil 2 not loading up new game, Digimon World not booting up and possibly others */
2963 v0 = (psxRegs.CP0.n.Status & 0x404) == 0x404;
2964 psxRegs.CP0.n.Status &= ~0x404;
ef79bbde
P		 2965 break;
2966
2967 case 2: // ExitCritical - enable irq's
2968 psxRegs.CP0.n.Status |= 0x404;
2969 break;
2970 }
2971 pc0 = psxRegs.CP0.n.EPC + 4;
2972
2973 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2974 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2975 return;
2976
2977 default:
2978#ifdef PSXCPU_LOG
2979 PSXCPU_LOG("unknown bios exception!\n");
2980#endif
2981 break;
2982 }
2983
2984 pc0 = psxRegs.CP0.n.EPC;
2985 if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
2986
2987 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2988 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2989}
2990
2991#define bfreeze(ptr, size) { \
2992 if (Mode == 1) memcpy(&psxR[base], ptr, size); \
2993 if (Mode == 0) memcpy(ptr, &psxR[base], size); \
2994 base += size; \
2995}
2996
2997#define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
2998#define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
2999
3000#define bfreezepsxMptr(ptr, type) { \
3001 if (Mode == 1) { \
3002 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
3003 else psxRu32ref(base) = 0; \
3004 } else { \
3005 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
3006 else (ptr) = NULL; \
3007 } \
3008 base += sizeof(u32); \
3009}
3010
3011void psxBiosFreeze(int Mode) {
3012 u32 base = 0x40000;
3013
3014 bfreezepsxMptr(jmp_int, u32);
3015 bfreezepsxMptr(pad_buf, int);
3016 bfreezepsxMptr(pad_buf1, char);
3017 bfreezepsxMptr(pad_buf2, char);
3018 bfreezepsxMptr(heap_addr, u32);
3019 bfreezel(&pad_buf1len);
3020 bfreezel(&pad_buf2len);
3021 bfreezes(regs);
3022 bfreezes(SysIntRP);
3023 bfreezel(&CardState);
3024 bfreezes(Thread);
3025 bfreezel(&CurThread);
3026 bfreezes(FDesc);
e9fda093 3027 bfreezel(&card_active_chan);
ef79bbde 3028}
ARM optimized PCSX fork