notaz.gp2x.de / pcsx_rearmed.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
psxbios: Improve WaitEvent behaviour according to documentation
[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 371
ba11675c 372void psxBios_todigit(void) // 0x0a
373{
374 int c = a0;
375#ifdef PSXBIOS_LOG
376 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x0a]);
377#endif
378 c &= 0xFF;
379 if (c >= 0x30 && c < 0x3A) {
380 c -= 0x30;
381 }
382 else if (c > 0x60 && c < 0x7B) {
383 c -= 0x20;
384 }
385 else if (c > 0x40 && c < 0x5B) {
386 c = c - 0x41 + 10;
387 }
388 else if (c >= 0x80) {
389 c = -1;
390 }
391 else
392 {
393 c = 0x0098967F;
394 }
395 v0 = c;
396 pc0 = ra;
397}
398
ef79bbde
P		 399void psxBios_abs() { // 0x0e
400 if ((s32)a0 < 0) v0 = -(s32)a0;
401 else v0 = a0;
402 pc0 = ra;
403}
404
405void psxBios_labs() { // 0x0f
406 psxBios_abs();
407}
408
409void psxBios_atoi() { // 0x10
410 s32 n = 0, f = 0;
411 char *p = (char *)Ra0;
412
413 for (;;p++) {
414 switch (*p) {
415 case ' ': case '\t': continue;
416 case '-': f++;
417 case '+': p++;
418 }
419 break;
420 }
421
422 while (*p >= '0' && *p <= '9') {
423 n = n * 10 + *p++ - '0';
424 }
425
426 v0 = (f ? -n : n);
427 pc0 = ra;
428}
429
430void psxBios_atol() { // 0x11
431 psxBios_atoi();
432}
433
434void psxBios_setjmp() { // 0x13
435 u32 *jmp_buf = (u32 *)Ra0;
436 int i;
437
438#ifdef PSXBIOS_LOG
439 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]);
440#endif
441
442 jmp_buf[0] = ra;
443 jmp_buf[1] = sp;
444 jmp_buf[2] = fp;
445 for (i = 0; i < 8; i++) // s0-s7
446 jmp_buf[3 + i] = psxRegs.GPR.r[16 + i];
447 jmp_buf[11] = gp;
448
449 v0 = 0; pc0 = ra;
450}
451
452void psxBios_longjmp() { // 0x14
453 u32 *jmp_buf = (u32 *)Ra0;
454 int i;
455
456#ifdef PSXBIOS_LOG
457 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]);
458#endif
459
460 ra = jmp_buf[0]; /* ra */
461 sp = jmp_buf[1]; /* sp */
462 fp = jmp_buf[2]; /* fp */
463 for (i = 0; i < 8; i++) // s0-s7
464 psxRegs.GPR.r[16 + i] = jmp_buf[3 + i];
465 gp = jmp_buf[11]; /* gp */
466
467 v0 = a1; pc0 = ra;
468}
469
470void psxBios_strcat() { // 0x15
471 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
472
473#ifdef PSXBIOS_LOG
474 PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1);
475#endif
bee52312 476 if (a0 == 0 || a1 == 0)
477 {
478 v0 = 0;
479 pc0 = ra;
480 return;
481 }
ef79bbde
P		 482 while (*p1++);
483 --p1;
484 while ((*p1++ = *p2++) != '\0');
485
486 v0 = a0; pc0 = ra;
487}
488
489void psxBios_strncat() { // 0x16
490 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
491 s32 n = a2;
492
493#ifdef PSXBIOS_LOG
494 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2);
495#endif
f42e1e90 496 if (a0 == 0 || a1 == 0)
497 {
498 v0 = 0;
499 pc0 = ra;
500 return;
501 }
ef79bbde
P		 502 while (*p1++);
503 --p1;
504 while ((*p1++ = *p2++) != '\0') {
505 if (--n < 0) {
506 *--p1 = '\0';
507 break;
508 }
509 }
510
511 v0 = a0; pc0 = ra;
512}
513
514void psxBios_strcmp() { // 0x17
515 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
516
517#ifdef PSXBIOS_LOG
518 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1);
519#endif
520
521 while (*p1 == *p2++) {
522 if (*p1++ == '\0') {
523 v0 = 0;
524 pc0 = ra;
525 return;
526 }
527 }
528
529 v0 = (*p1 - *--p2);
530 pc0 = ra;
531}
532
533void psxBios_strncmp() { // 0x18
534 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
535 s32 n = a2;
536
537#ifdef PSXBIOS_LOG
538 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2);
539#endif
540
541 while (--n >= 0 && *p1 == *p2++) {
542 if (*p1++ == '\0') {
543 v0 = 0;
544 pc0 = ra;
545 return;
546 }
547 }
548
549 v0 = (n < 0 ? 0 : *p1 - *--p2);
550 pc0 = ra;
551}
552
553void psxBios_strcpy() { // 0x19
554 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
555 while ((*p1++ = *p2++) != '\0');
556
557 v0 = a0; pc0 = ra;
558}
559
560void psxBios_strncpy() { // 0x1a
561 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
562 s32 n = a2, i;
563
564 for (i = 0; i < n; i++) {
565 if ((*p1++ = *p2++) == '\0') {
566 while (++i < n) {
567 *p1++ = '\0';
568 }
569 v0 = a0; pc0 = ra;
570 return;
571 }
572 }
573
574 v0 = a0; pc0 = ra;
575}
576
577void psxBios_strlen() { // 0x1b
578 char *p = (char *)Ra0;
579 v0 = 0;
580 while (*p++) v0++;
581 pc0 = ra;
582}
583
584void psxBios_index() { // 0x1c
585 char *p = (char *)Ra0;
586
587 do {
588 if (*p == a1) {
589 v0 = a0 + (p - (char *)Ra0);
590 pc0 = ra;
591 return;
592 }
593 } while (*p++ != '\0');
594
595 v0 = 0; pc0 = ra;
596}
597
598void psxBios_rindex() { // 0x1d
599 char *p = (char *)Ra0;
600
601 v0 = 0;
602
603 do {
604 if (*p == a1)
605 v0 = a0 + (p - (char *)Ra0);
606 } while (*p++ != '\0');
607
608 pc0 = ra;
609}
610
611void psxBios_strchr() { // 0x1e
612 psxBios_index();
613}
614
615void psxBios_strrchr() { // 0x1f
616 psxBios_rindex();
617}
618
619void psxBios_strpbrk() { // 0x20
620 char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc;
621
622 while ((c = *p1++) != '\0') {
623 for (scanp = p2; (sc = *scanp++) != '\0';) {
624 if (sc == c) {
625 v0 = a0 + (p1 - 1 - (char *)Ra0);
626 pc0 = ra;
627 return;
628 }
629 }
630 }
631
632 // BUG: return a0 instead of NULL if not found
633 v0 = a0; pc0 = ra;
634}
635
636void psxBios_strspn() { // 0x21
637 char *p1, *p2;
638
639 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
640 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
641 if (*p2 == '\0') break;
642 }
643
644 v0 = p1 - (char *)Ra0; pc0 = ra;
645}
646
647void psxBios_strcspn() { // 0x22
648 char *p1, *p2;
649
650 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
651 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
652 if (*p2 != '\0') break;
653 }
654
655 v0 = p1 - (char *)Ra0; pc0 = ra;
656}
657
658void psxBios_strtok() { // 0x23
659 char *pcA0 = (char *)Ra0;
660 char *pcRet = strtok(pcA0, (char *)Ra1);
661 if (pcRet)
662 v0 = a0 + pcRet - pcA0;
663 else
664 v0 = 0;
665 pc0 = ra;
666}
667
668void psxBios_strstr() { // 0x24
669 char *p = (char *)Ra0, *p1, *p2;
670
671 while (*p != '\0') {
672 p1 = p;
673 p2 = (char *)Ra1;
674
675 while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) {
676 p1++; p2++;
677 }
678
679 if (*p2 == '\0') {
680 v0 = a0 + (p - (char *)Ra0);
681 pc0 = ra;
682 return;
683 }
684
685 p++;
686 }
687
688 v0 = 0; pc0 = ra;
689}
690
691void psxBios_toupper() { // 0x25
692 v0 = (s8)(a0 & 0xff);
693 if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A';
694 pc0 = ra;
695}
696
697void psxBios_tolower() { // 0x26
698 v0 = (s8)(a0 & 0xff);
699 if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A';
700 pc0 = ra;
701}
702
703void psxBios_bcopy() { // 0x27
704 char *p1 = (char *)Ra1, *p2 = (char *)Ra0;
5ec7acdf 705 while ((s32)a2-- > 0) *p1++ = *p2++;
ef79bbde
P		 706
707 pc0 = ra;
708}
709
710void psxBios_bzero() { // 0x28
711 char *p = (char *)Ra0;
5ec7acdf 712 while ((s32)a1-- > 0) *p++ = '\0';
ef79bbde
P		 713
714 pc0 = ra;
715}
716
717void psxBios_bcmp() { // 0x29
718 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
719
720 if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; }
721
5ec7acdf 722 while ((s32)a2-- > 0) {
ef79bbde
P		 723 if (*p1++ != *p2++) {
724 v0 = *p1 - *p2; // BUG: compare the NEXT byte
725 pc0 = ra;
726 return;
727 }
728 }
729
730 v0 = 0; pc0 = ra;
731}
732
733void psxBios_memcpy() { // 0x2a
734 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
5ec7acdf 735 while ((s32)a2-- > 0) *p1++ = *p2++;
ef79bbde
P		 736
737 v0 = a0; pc0 = ra;
738}
739
740void psxBios_memset() { // 0x2b
741 char *p = (char *)Ra0;
5ec7acdf 742 while ((s32)a2-- > 0) *p++ = (char)a1;
ef79bbde 743
5ec7acdf 744 a2 = 0;
ef79bbde
P		 745 v0 = a0; pc0 = ra;
746}
747
748void psxBios_memmove() { // 0x2c
749 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
750
751 if (p2 <= p1 && p2 + a2 > p1) {
752 a2++; // BUG: copy one more byte here
753 p1 += a2;
754 p2 += a2;
5ec7acdf 755 while ((s32)a2-- > 0) *--p1 = *--p2;
ef79bbde 756 } else {
5ec7acdf 757 while ((s32)a2-- > 0) *p1++ = *p2++;
ef79bbde
P		 758 }
759
760 v0 = a0; pc0 = ra;
761}
762
763void psxBios_memcmp() { // 0x2d
764 psxBios_bcmp();
765}
766
767void psxBios_memchr() { // 0x2e
768 char *p = (char *)Ra0;
769
5ec7acdf 770 while ((s32)a2-- > 0) {
ef79bbde
P		 771 if (*p++ != (s8)a1) continue;
772 v0 = a0 + (p - (char *)Ra0 - 1);
773 pc0 = ra;
774 return;
775 }
776
777 v0 = 0; pc0 = ra;
778}
779
780void psxBios_rand() { // 0x2f
781 u32 s = psxMu32(0x9010) * 1103515245 + 12345;
782 v0 = (s >> 16) & 0x7fff;
783 psxMu32ref(0x9010) = SWAPu32(s);
784 pc0 = ra;
785}
786
787void psxBios_srand() { // 0x30
788 psxMu32ref(0x9010) = SWAPu32(a0);
789 pc0 = ra;
790}
791
792static u32 qscmpfunc, qswidth;
793
794static inline int qscmp(char *a, char *b) {
795 u32 sa0 = a0;
796
797 a0 = sa0 + (a - (char *)PSXM(sa0));
798 a1 = sa0 + (b - (char *)PSXM(sa0));
799
800 softCall2(qscmpfunc);
801
802 a0 = sa0;
803 return (s32)v0;
804}
805
806static inline void qexchange(char *i, char *j) {
807 char t;
808 int n = qswidth;
809
810 do {
811 t = *i;
812 *i++ = *j;
813 *j++ = t;
814 } while (--n);
815}
816
817static inline void q3exchange(char *i, char *j, char *k) {
818 char t;
819 int n = qswidth;
820
821 do {
822 t = *i;
823 *i++ = *k;
824 *k++ = *j;
825 *j++ = t;
826 } while (--n);
827}
828
829static void qsort_main(char *a, char *l) {
830 char *i, *j, *lp, *hp;
831 int c;
832 unsigned int n;
833
834start:
835 if ((n = l - a) <= qswidth)
836 return;
837 n = qswidth * (n / (2 * qswidth));
838 hp = lp = a + n;
839 i = a;
840 j = l - qswidth;
841 while (TRUE) {
842 if (i < lp) {
843 if ((c = qscmp(i, lp)) == 0) {
844 qexchange(i, lp -= qswidth);
845 continue;
846 }
847 if (c < 0) {
848 i += qswidth;
849 continue;
850 }
851 }
852
853loop:
854 if (j > hp) {
855 if ((c = qscmp(hp, j)) == 0) {
856 qexchange(hp += qswidth, j);
857 goto loop;
858 }
859 if (c > 0) {
860 if (i == lp) {
861 q3exchange(i, hp += qswidth, j);
862 i = lp += qswidth;
863 goto loop;
864 }
865 qexchange(i, j);
866 j -= qswidth;
867 i += qswidth;
868 continue;
869 }
870 j -= qswidth;
871 goto loop;
872 }
873
874 if (i == lp) {
875 if (lp - a >= l - hp) {
876 qsort_main(hp + qswidth, l);
877 l = lp;
878 } else {
879 qsort_main(a, lp);
880 a = hp + qswidth;
881 }
882 goto start;
883 }
884
885 q3exchange(j, lp -= qswidth, i);
886 j = hp -= qswidth;
887 }
888}
889
890void psxBios_qsort() { // 0x31
891 qswidth = a2;
892 qscmpfunc = a3;
893 qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
894
895 pc0 = ra;
896}
897
898void psxBios_malloc() { // 0x33
808a13bd 899 unsigned int *chunk, *newchunk = NULL;
900 unsigned int dsize = 0, csize, cstat;
ef79bbde
P		 901 int colflag;
902#ifdef PSXBIOS_LOG
903 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
904#endif
905
906 // scan through heap and combine free chunks of space
907 chunk = heap_addr;
908 colflag = 0;
909 while(chunk < heap_end) {
910 // get size and status of actual chunk
911 csize = ((u32)*chunk) & 0xfffffffc;
912 cstat = ((u32)*chunk) & 1;
913
914 // it's a free chunk
915 if(cstat == 1) {
916 if(colflag == 0) {
917 newchunk = chunk;
918 dsize = csize;
919 colflag = 1; // let's begin a new collection of free memory
920 }
921 else dsize += (csize+4); // add the new size including header
922 }
923 // not a free chunk: did we start a collection ?
924 else {
925 if(colflag == 1) { // collection is over
926 colflag = 0;
927 *newchunk = SWAP32(dsize | 1);
928 }
929 }
930
931 // next chunk
932 chunk = (u32*)((uptr)chunk + csize + 4);
933 }
934 // if neccessary free memory on end of heap
935 if (colflag == 1)
936 *newchunk = SWAP32(dsize | 1);
937
938 chunk = heap_addr;
939 csize = ((u32)*chunk) & 0xfffffffc;
940 cstat = ((u32)*chunk) & 1;
941 dsize = (a0 + 3) & 0xfffffffc;
942
943 // exit on uninitialized heap
944 if (chunk == NULL) {
945 SysPrintf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
946 v0 = 0;
947 pc0 = ra;
948 return;
949 }
950
951 // search an unused chunk that is big enough until the end of the heap
952 while ((dsize > csize || cstat == 0) && chunk < heap_end ) {
953 chunk = (u32*)((uptr)chunk + csize + 4);
954 csize = ((u32)*chunk) & 0xfffffffc;
955 cstat = ((u32)*chunk) & 1;
956 }
957
958 // catch out of memory
959 if(chunk >= heap_end) { SysPrintf("malloc %x,%x: Out of memory error!\n", v0, a0); v0 = 0; pc0 = ra; return; }
960
961 // allocate memory
962 if(dsize == csize) {
963 // chunk has same size
964 *chunk &= 0xfffffffc;
965 }
966 else {
967 // split free chunk
968 *chunk = SWAP32(dsize);
969 newchunk = (u32*)((uptr)chunk + dsize + 4);
808a13bd 970 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
ef79bbde
P		 971 }
972
973 // return pointer to allocated memory
974 v0 = ((unsigned long)chunk - (unsigned long)psxM) + 4;
975 v0|= 0x80000000;
976 SysPrintf ("malloc %x,%x\n", v0, a0);
977 pc0 = ra;
978}
979
980void psxBios_free() { // 0x34
981
982#ifdef PSXBIOS_LOG
983 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
984#endif
985
986 SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
987
988 *(u32*)(Ra0-4) |= 1; // set chunk to free
989 pc0 = ra;
990}
991
992void psxBios_calloc() { // 0x37
02949f79 993 void *pv0;
ef79bbde
P		 994#ifdef PSXBIOS_LOG
995 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
996#endif
997
998 a0 = a0 * a1;
999 psxBios_malloc();
02949f79 1000 pv0 = Rv0;
1001 if (pv0)
1002 memset(pv0, 0, a0);
ef79bbde
P		 1003}
1004
1005void psxBios_realloc() { // 0x38
1006 u32 block = a0;
1007 u32 size = a1;
1008#ifdef PSXBIOS_LOG
1009 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
1010#endif
1011
1012 a0 = block;
391b1d5b 1013 /* If "old_buf" is zero, executes malloc(new_size), and returns r2=new_buf (or 0=failed). */
1014 if (block == 0)
1015 {
1016 psxBios_malloc();
1017 }
1018 /* Else, if "new_size" is zero, executes free(old_buf), and returns r2=garbage. */
1019 else if (size == 0)
1020 {
1021 psxBios_free();
1022 }
1023 /* Else, executes malloc(new_size), bcopy(old_buf,new_buf,new_size), and free(old_buf), and returns r2=new_buf (or 0=failed). */
1024 /* Note that it is not quite implemented this way here. */
1025 else
1026 {
1027 psxBios_free();
1028 a0 = size;
1029 psxBios_malloc();
1030 }
ef79bbde
P		 1031}
1032
1033
1034/* InitHeap(void *block , int n) */
1035void psxBios_InitHeap() { // 0x39
1036 unsigned int size;
1037
1038#ifdef PSXBIOS_LOG
1039 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
1040#endif
1041
1042 if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
1043 else size = a1;
1044
1045 size &= 0xfffffffc;
1046
1047 heap_addr = (u32 *)Ra0;
1048 heap_end = (u32 *)((u8 *)heap_addr + size);
1049 *heap_addr = SWAP32(size | 1);
1050
c979c3ee 1051 SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
ef79bbde
P		 1052
1053 pc0 = ra;
1054}
1055
1056void psxBios_getchar() { //0x3b
1057 v0 = getchar(); pc0 = ra;
1058}
1059
1060void psxBios_printf() { // 0x3f
1061 char tmp[1024];
1062 char tmp2[1024];
1063 u32 save[4];
1064 char *ptmp = tmp;
1065 int n=1, i=0, j;
02949f79 1066 void *psp;
1067
1068 psp = PSXM(sp);
1069 if (psp) {
1070 memcpy(save, psp, 4 * 4);
1071 psxMu32ref(sp) = SWAP32((u32)a0);
1072 psxMu32ref(sp + 4) = SWAP32((u32)a1);
1073 psxMu32ref(sp + 8) = SWAP32((u32)a2);
1074 psxMu32ref(sp + 12) = SWAP32((u32)a3);
1075 }
ef79bbde
P		 1076
1077 while (Ra0[i]) {
1078 switch (Ra0[i]) {
1079 case '%':
1080 j = 0;
1081 tmp2[j++] = '%';
1082_start:
1083 switch (Ra0[++i]) {
1084 case '.':
1085 case 'l':
1086 tmp2[j++] = Ra0[i]; goto _start;
1087 default:
1088 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
1089 tmp2[j++] = Ra0[i];
1090 goto _start;
1091 }
1092 break;
1093 }
1094 tmp2[j++] = Ra0[i];
1095 tmp2[j] = 0;
1096
1097 switch (Ra0[i]) {
1098 case 'f': case 'F':
1099 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
1100 case 'a': case 'A':
1101 case 'e': case 'E':
1102 case 'g': case 'G':
1103 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
1104 case 'p':
888468ff 1105 case 'i': case 'u':
ef79bbde
P		 1106 case 'd': case 'D':
1107 case 'o': case 'O':
1108 case 'x': case 'X':
1109 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
1110 case 'c':
1111 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
1112 case 's':
1113 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1114 case '%':
1115 *ptmp++ = Ra0[i]; break;
1116 }
1117 i++;
1118 break;
1119 default:
1120 *ptmp++ = Ra0[i++];
1121 }
1122 }
1123 *ptmp = 0;
1124
02949f79 1125 if (psp)
1126 memcpy(psp, save, 4 * 4);
ef79bbde 1127
808a13bd 1128 SysPrintf("%s", tmp);
ef79bbde
P		 1129
1130 pc0 = ra;
1131}
1132
e7e1f572 1133void psxBios_format() { // 0x41
1134 if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0')
1135 {
1136 CreateMcd(Config.Mcd1);
1137 LoadMcd(1, Config.Mcd1);
1138 v0 = 1;
1139 }
1140 else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0')
1141 {
1142 CreateMcd(Config.Mcd2);
1143 LoadMcd(2, Config.Mcd2);
1144 v0 = 1;
1145 }
1146 else
1147 {
1148 v0 = 0;
1149 }
1150 pc0 = ra;
1151}
1152
ef79bbde
P		 1153/*
1154 * long Load(char *name, struct EXEC *header);
1155 */
1156
1157void psxBios_Load() { // 0x42
1158 EXE_HEADER eheader;
02949f79 1159 void *pa1;
ef79bbde
P		 1160
1161#ifdef PSXBIOS_LOG
1162 PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1163#endif
1164
02949f79 1165 pa1 = Ra1;
1166 if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) {
1167 memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC));
ef79bbde
P		 1168 v0 = 1;
1169 } else v0 = 0;
1170
1171 pc0 = ra;
1172}
1173
1174/*
1175 * int Exec(struct EXEC *header , int argc , char **argv);
1176 */
1177
1178void psxBios_Exec() { // 43
1179 EXEC *header = (EXEC*)Ra0;
1180 u32 tmp;
1181
1182#ifdef PSXBIOS_LOG
1183 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1184#endif
1185
1186 header->_sp = sp;
1187 header->_fp = fp;
1188 header->_sp = sp;
1189 header->_gp = gp;
1190 header->ret = ra;
1191 header->base = s0;
1192
1193 if (header->S_addr != 0) {
1194 tmp = header->S_addr + header->s_size;
1195 sp = tmp;
1196 fp = sp;
1197 }
1198
1199 gp = header->gp0;
1200
1201 s0 = a0;
1202
1203 a0 = a1;
1204 a1 = a2;
1205
1206 ra = 0x8000;
1207 pc0 = header->_pc0;
1208}
1209
1210void psxBios_FlushCache() { // 44
1211#ifdef PSXBIOS_LOG
1212 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1213#endif
1214
1215 pc0 = ra;
1216}
1217
1218void psxBios_GPU_dw() { // 0x46
1219 int size;
1220 s32 *ptr;
1221
1222#ifdef PSXBIOS_LOG
1223 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1224#endif
1225
1226 GPU_writeData(0xa0000000);
1227 GPU_writeData((a1<<16)|(a0&0xffff));
1228 GPU_writeData((a3<<16)|(a2&0xffff));
1229 size = (a2*a3+1)/2;
1230 ptr = (s32*)PSXM(Rsp[4]); //that is correct?
1231 do {
1232 GPU_writeData(SWAP32(*ptr));
1233 ptr++;
1234 } while(--size);
1235
1236 pc0 = ra;
1237}
1238
1239void psxBios_mem2vram() { // 0x47
1240 int size;
1241
1242 GPU_writeData(0xa0000000);
1243 GPU_writeData((a1<<16)|(a0&0xffff));
1244 GPU_writeData((a3<<16)|(a2&0xffff));
1245 size = (a2*a3+1)/2;
1246 GPU_writeStatus(0x04000002);
1247 psxHwWrite32(0x1f8010f4,0);
1248 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1249 psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1250 psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1251 psxHwWrite32(0x1f8010a8,0x01000201);
1252
1253 pc0 = ra;
1254}
1255
1256void psxBios_SendGPU() { // 0x48
1257 GPU_writeStatus(a0);
ddbaf678 1258 gpuSyncPluginSR();
ef79bbde
P		 1259 pc0 = ra;
1260}
1261
1262void psxBios_GPU_cw() { // 0x49
1263 GPU_writeData(a0);
1264 pc0 = ra;
1265}
1266
1267void psxBios_GPU_cwb() { // 0x4a
1268 s32 *ptr = (s32*)Ra0;
1269 int size = a1;
1270 while(size--) {
1271 GPU_writeData(SWAP32(*ptr));
1272 ptr++;
1273 }
1274
1275 pc0 = ra;
1276}
1277
1278void psxBios_GPU_SendPackets() { //4b:
1279 GPU_writeStatus(0x04000002);
1280 psxHwWrite32(0x1f8010f4,0);
1281 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1282 psxHwWrite32(0x1f8010a0,a0);
1283 psxHwWrite32(0x1f8010a4,0);
1284 psxHwWrite32(0x1f8010a8,0x010000401);
1285 pc0 = ra;
1286}
1287
1288void psxBios_sys_a0_4c() { // 0x4c GPU relate
1289 psxHwWrite32(0x1f8010a8,0x00000401);
1290 GPU_writeData(0x0400000);
1291 GPU_writeData(0x0200000);
1292 GPU_writeData(0x0100000);
cd1ea245 1293 v0 = 0x1f801814;
ef79bbde
P		 1294 pc0 = ra;
1295}
1296
1297void psxBios_GPU_GetGPUStatus() { // 0x4d
1298 v0 = GPU_readStatus();
1299 pc0 = ra;
1300}
1301
1302#undef s_addr
1303
1304void psxBios_LoadExec() { // 51
1305 EXEC *header = (EXEC*)PSXM(0xf000);
1306 u32 s_addr, s_size;
1307
1308#ifdef PSXBIOS_LOG
1309 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1310#endif
1311 s_addr = a1; s_size = a2;
1312
1313 a1 = 0xf000;
1314 psxBios_Load();
1315
1316 header->S_addr = s_addr;
1317 header->s_size = s_size;
1318
1319 a0 = 0xf000; a1 = 0; a2 = 0;
1320 psxBios_Exec();
1321}
1322
1323void psxBios__bu_init() { // 70
1324#ifdef PSXBIOS_LOG
1325 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1326#endif
1327
1328 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1329 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1330
1331 pc0 = ra;
1332}
1333
1334void psxBios__96_init() { // 71
1335#ifdef PSXBIOS_LOG
1336 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1337#endif
1338
1339 pc0 = ra;
1340}
1341
1342void psxBios__96_remove() { // 72
1343#ifdef PSXBIOS_LOG
1344 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1345#endif
1346
1347 pc0 = ra;
1348}
1349
1350void psxBios_SetMem() { // 9f
1351 u32 new = psxHu32(0x1060);
1352
1353#ifdef PSXBIOS_LOG
1354 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1355#endif
1356
1357 switch(a0) {
1358 case 2:
1359 psxHu32ref(0x1060) = SWAP32(new);
1360 psxMu32ref(0x060) = a0;
1361 SysPrintf("Change effective memory : %d MBytes\n",a0);
1362 break;
1363
1364 case 8:
1365 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1366 psxMu32ref(0x060) = a0;
1367 SysPrintf("Change effective memory : %d MBytes\n",a0);
1368
1369 default:
1370 SysPrintf("Effective memory must be 2/8 MBytes\n");
1371 break;
1372 }
1373
1374 pc0 = ra;
1375}
1376
1377void psxBios__card_info() { // ab
1378#ifdef PSXBIOS_LOG
1379 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1380#endif
76b81516 1381 u32 ret;
e9fda093 1382 card_active_chan = a0;
1383
76b81516 1384 switch (card_active_chan)
1385 {
1386 case 0x00: case 0x01: case 0x02: case 0x03:
1387 ret = Config.Mcd1[0] ? 0x2 : 0x8;
1388 break;
1389 case 0x10: case 0x11: case 0x12: case 0x13:
1390 ret = Config.Mcd2[0] ? 0x2 : 0x8;
1391 break;
1392 default:
1393#ifdef PSXBIOS_LOG
1394 PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan);
1395#endif
1396 ret = 0x11;
1397 break;
1398 }
1399
1400// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
ef79bbde
P		 1401// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1402 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
76b81516 1403 DeliverEvent(0x81, ret); // 0xf4000001, 0x0004
ef79bbde
P		 1404
1405 v0 = 1; pc0 = ra;
1406}
1407
1408void psxBios__card_load() { // ac
1409#ifdef PSXBIOS_LOG
1410 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1411#endif
1412
e9fda093 1413 card_active_chan = a0;
1414
ef79bbde
P		 1415// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1416 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1417
1418 v0 = 1; pc0 = ra;
1419}
1420
1421/* System calls B0 */
1422
1423void psxBios_SetRCnt() { // 02
1424#ifdef PSXBIOS_LOG
1425 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1426#endif
1427
1428 a0&= 0x3;
1429 if (a0 != 3) {
1430 u32 mode=0;
1431
1432 psxRcntWtarget(a0, a1);
1433 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1434 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1435 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1436 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1437 else { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1438
1439 psxRcntWmode(a0, mode);
1440 }
1441 pc0 = ra;
1442}
1443
1444void psxBios_GetRCnt() { // 03
1445#ifdef PSXBIOS_LOG
1446 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1447#endif
1448
1449 a0&= 0x3;
1450 if (a0 != 3) v0 = psxRcntRcount(a0);
1451 else v0 = 0;
1452 pc0 = ra;
1453}
1454
1455void psxBios_StartRCnt() { // 04
1456#ifdef PSXBIOS_LOG
1457 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1458#endif
1459
1460 a0&= 0x3;
1461 if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1462 else psxHu32ref(0x1074)|= SWAPu32(0x1);
1463 v0 = 1; pc0 = ra;
1464}
1465
1466void psxBios_StopRCnt() { // 05
1467#ifdef PSXBIOS_LOG
1468 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1469#endif
1470
1471 a0&= 0x3;
1472 if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1473 else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1474 pc0 = ra;
1475}
1476
1477void psxBios_ResetRCnt() { // 06
1478#ifdef PSXBIOS_LOG
1479 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1480#endif
1481
1482 a0&= 0x3;
1483 if (a0 != 3) {
1484 psxRcntWmode(a0, 0);
1485 psxRcntWtarget(a0, 0);
1486 psxRcntWcount(a0, 0);
1487 }
1488 pc0 = ra;
1489}
1490
1491
1492/* gets ev for use with Event */
1493#define GetEv() \
1494 ev = (a0 >> 24) & 0xf; \
1495 if (ev == 0xf) ev = 0x5; \
1496 ev*= 32; \
1497 ev+= a0&0x1f;
1498
1499/* gets spec for use with Event */
1500#define GetSpec() \
1501 spec = 0; \
1502 switch (a1) { \
1503 case 0x0301: spec = 16; break; \
1504 case 0x0302: spec = 17; break; \
1505 default: \
1506 for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1507 break; \
1508 }
1509
1510void psxBios_DeliverEvent() { // 07
1511 int ev, spec;
1512 int i;
1513
1514 GetEv();
1515 GetSpec();
1516
1517#ifdef PSXBIOS_LOG
1518 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1519#endif
1520
1521 DeliverEvent(ev, spec);
1522
1523 pc0 = ra;
1524}
1525
1526void psxBios_OpenEvent() { // 08
1527 int ev, spec;
1528 int i;
1529
1530 GetEv();
1531 GetSpec();
1532
1533#ifdef PSXBIOS_LOG
1534 PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1535#endif
1536
1537 Event[ev][spec].status = EvStWAIT;
1538 Event[ev][spec].mode = a2;
1539 Event[ev][spec].fhandler = a3;
1540
1541 v0 = ev | (spec << 8);
1542 pc0 = ra;
1543}
1544
1545void psxBios_CloseEvent() { // 09
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[0x09], ev, spec);
1553#endif
1554
1555 Event[ev][spec].status = EvStUNUSED;
1556
1557 v0 = 1; pc0 = ra;
1558}
1559
1560void psxBios_WaitEvent() { // 0a
1561 int ev, spec;
1562
1563 ev = a0 & 0xff;
1564 spec = (a0 >> 8) & 0xff;
ef79bbde
P		 1565#ifdef PSXBIOS_LOG
1566 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1567#endif
d95c9dcb 1568 if (Event[ev][spec].status == EvStUNUSED)
1569 {
1570 v0 = 0;
1571 pc0 = ra;
1572 return;
1573 }
ef79bbde 1574
d95c9dcb 1575 if (Event[ev][spec].status == EvStALREADY)
1576 {
1577 /* Callback events (mode=EvMdINTR) do never set the ready flag (and thus WaitEvent would hang forever). */
1578 if (!(Event[ev][spec].mode == EvMdINTR)) Event[ev][spec].status = EvStACTIVE;
1579 v0 = 1;
1580 pc0 = ra;
1581 return;
1582 }
ef79bbde 1583
d95c9dcb 1584 v0 = 0;
1585 pc0 = ra;
1586 ResetIoCycle();
ef79bbde
P		 1587}
1588
1589void psxBios_TestEvent() { // 0b
1590 int ev, spec;
1591
1592 ev = a0 & 0xff;
1593 spec = (a0 >> 8) & 0xff;
1594
1595 if (Event[ev][spec].status == EvStALREADY) {
1596 Event[ev][spec].status = EvStACTIVE; v0 = 1;
1597 } else v0 = 0;
1598
1599#ifdef PSXBIOS_LOG
1600 PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1601#endif
1602
1603 pc0 = ra;
1604}
1605
1606void psxBios_EnableEvent() { // 0c
1607 int ev, spec;
1608
1609 ev = a0 & 0xff;
1610 spec = (a0 >> 8) & 0xff;
1611
1612#ifdef PSXBIOS_LOG
1613 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1614#endif
1615
1616 Event[ev][spec].status = EvStACTIVE;
1617
1618 v0 = 1; pc0 = ra;
1619}
1620
1621void psxBios_DisableEvent() { // 0d
1622 int ev, spec;
1623
1624 ev = a0 & 0xff;
1625 spec = (a0 >> 8) & 0xff;
1626
1627#ifdef PSXBIOS_LOG
1628 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1629#endif
1630
1631 Event[ev][spec].status = EvStWAIT;
1632
1633 v0 = 1; pc0 = ra;
1634}
1635
1636/*
1637 * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1638 */
1639
1640void psxBios_OpenTh() { // 0e
1641 int th;
1642
1643 for (th=1; th<8; th++)
1644 if (Thread[th].status == 0) break;
1645
1646#ifdef PSXBIOS_LOG
1647 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1648#endif
1649
1650 Thread[th].status = 1;
1651 Thread[th].func = a0;
1652 Thread[th].reg[29] = a1;
1653 Thread[th].reg[28] = a2;
1654
1655 v0 = th; pc0 = ra;
1656}
1657
1658/*
1659 * int CloseTh(long thread);
1660 */
1661
1662void psxBios_CloseTh() { // 0f
1663 int th = a0 & 0xff;
1664
1665#ifdef PSXBIOS_LOG
1666 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1667#endif
1668
1669 if (Thread[th].status == 0) {
1670 v0 = 0;
1671 } else {
1672 Thread[th].status = 0;
1673 v0 = 1;
1674 }
1675
1676 pc0 = ra;
1677}
1678
1679/*
1680 * int ChangeTh(long thread);
1681 */
1682
1683void psxBios_ChangeTh() { // 10
1684 int th = a0 & 0xff;
1685
1686#ifdef PSXBIOS_LOG
1687// PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1688#endif
1689
1690 if (Thread[th].status == 0 || CurThread == th) {
1691 v0 = 0;
1692
1693 pc0 = ra;
1694 } else {
1695 v0 = 1;
1696
1697 if (Thread[CurThread].status == 2) {
1698 Thread[CurThread].status = 1;
1699 Thread[CurThread].func = ra;
1700 memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1701 }
1702
1703 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1704 pc0 = Thread[th].func;
1705 Thread[th].status = 2;
1706 CurThread = th;
1707 }
1708}
1709
1710void psxBios_InitPAD() { // 0x12
1711#ifdef PSXBIOS_LOG
1712 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1713#endif
1714
1715 pad_buf1 = (char*)Ra0;
1716 pad_buf1len = a1;
1717 pad_buf2 = (char*)Ra2;
1718 pad_buf2len = a3;
1719
1720 v0 = 1; pc0 = ra;
1721}
1722
1723void psxBios_StartPAD() { // 13
1724#ifdef PSXBIOS_LOG
1725 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1726#endif
1727
1728 psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1729 psxRegs.CP0.n.Status |= 0x401;
1730 pc0 = ra;
1731}
1732
1733void psxBios_StopPAD() { // 14
1734#ifdef PSXBIOS_LOG
1735 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1736#endif
1737
1738 pad_buf1 = NULL;
1739 pad_buf2 = NULL;
1740 pc0 = ra;
1741}
1742
1743void psxBios_PAD_init() { // 15
1744#ifdef PSXBIOS_LOG
1745 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1746#endif
a824e83d 1747 if (!(a0 == 0x20000000 || a0 == 0x20000001))
1748 {
1749 v0 = 0;
1750 pc0 = ra;
1751 return;
1752 }
ef79bbde
P		 1753 psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1754 pad_buf = (int *)Ra1;
1755 *pad_buf = -1;
1756 psxRegs.CP0.n.Status |= 0x401;
a824e83d 1757 v0 = 2;
ef79bbde
P		 1758 pc0 = ra;
1759}
1760
1761void psxBios_PAD_dr() { // 16
1762#ifdef PSXBIOS_LOG
1763 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1764#endif
1765
1766 v0 = -1; pc0 = ra;
1767}
1768
1769void psxBios_ReturnFromException() { // 17
1770 LoadRegs();
1771
1772 pc0 = psxRegs.CP0.n.EPC;
1773 if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1774
1775 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1776 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1777}
1778
1779void psxBios_ResetEntryInt() { // 18
1780#ifdef PSXBIOS_LOG
1781 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1782#endif
1783
1784 jmp_int = NULL;
1785 pc0 = ra;
1786}
1787
1788void psxBios_HookEntryInt() { // 19
1789#ifdef PSXBIOS_LOG
1790 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
1791#endif
1792
1793 jmp_int = (u32*)Ra0;
1794 pc0 = ra;
1795}
1796
1797void psxBios_UnDeliverEvent() { // 0x20
1798 int ev, spec;
1799 int i;
1800
1801 GetEv();
1802 GetSpec();
1803
1804#ifdef PSXBIOS_LOG
1805 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
1806#endif
1807
1808 if (Event[ev][spec].status == EvStALREADY &&
1809 Event[ev][spec].mode == EvMdNOINTR)
1810 Event[ev][spec].status = EvStACTIVE;
1811
1812 pc0 = ra;
1813}
1814
595a136b 1815char ffile[64], *pfile;
1816int nfile;
1817static void buopen(int mcd, u8 *ptr, u8 *cfg)
1818{
1819 int i;
1820 u8 *fptr = ptr;
1821
1822 strcpy(FDesc[1 + mcd].name, Ra0+5);
1823 FDesc[1 + mcd].offset = 0;
1824 FDesc[1 + mcd].mode = a1;
1825
1826 for (i=1; i<16; i++) {
1827 fptr += 128;
1828 if ((*fptr & 0xF0) != 0x50) continue;
1829 if (strcmp(FDesc[1 + mcd].name, fptr+0xa)) continue;
1830 FDesc[1 + mcd].mcfile = i;
1831 SysPrintf("open %s\n", fptr+0xa);
1832 v0 = 1 + mcd;
1833 break;
1834 }
1835 if (a1 & 0x200 && v0 == -1) { /* FCREAT */
1836 fptr = ptr;
1837 for (i=1; i<16; i++) {
1838 int j, xor, nblk = a1 >> 16;
1839 u8 *pptr, *fptr2;
1840
1841 fptr += 128;
1842 if ((*fptr & 0xF0) != 0xa0) continue;
1843
1844 FDesc[1 + mcd].mcfile = i;
1845 fptr[0] = 0x51;
1846 fptr[4] = 0x00;
1847 fptr[5] = 0x20 * nblk;
1848 fptr[6] = 0x00;
1849 fptr[7] = 0x00;
1850 strcpy(fptr+0xa, FDesc[1 + mcd].name);
1851 pptr = fptr2 = fptr;
1852 for(j=2; j<=nblk; j++) {
1853 int k;
1854 for(i++; i<16; i++) {
1855 fptr2 += 128;
1856
1857 memset(fptr2, 0, 128);
1858 fptr2[0] = j < nblk ? 0x52 : 0x53;
1859 pptr[8] = i - 1;
1860 pptr[9] = 0;
1861 for (k=0, xor=0; k<127; k++) xor^= pptr[k];
1862 pptr[127] = xor;
1863 pptr = fptr2;
1864 break;
1865 }
1866 /* shouldn't this return ENOSPC if i == 16? */
1867 }
1868 pptr[8] = pptr[9] = 0xff;
1869 for (j=0, xor=0; j<127; j++) xor^= pptr[j];
1870 pptr[127] = xor;
1871 SysPrintf("openC %s %d\n", ptr, nblk);
1872 v0 = 1 + mcd;
1873 /* just go ahead and resave them all */
1874 SaveMcd(cfg, ptr, 128, 128 * 15);
1875 break;
1876 }
1877 /* shouldn't this return ENOSPC if i == 16? */
1878 }
ef79bbde
P		 1879}
1880
1881/*
1882 * int open(char *name , int mode);
1883 */
1884
1885void psxBios_open() { // 0x32
1886 int i;
1887 char *ptr;
02949f79 1888 void *pa0 = Ra0;
ef79bbde
P		 1889
1890#ifdef PSXBIOS_LOG
1891 PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
1892#endif
1893
1894 v0 = -1;
1895
02949f79 1896 if (pa0) {
1897 if (!strncmp(pa0, "bu00", 4)) {
595a136b 1898 buopen(1, Mcd1Data, Config.Mcd1);
02949f79 1899 }
ef79bbde 1900
02949f79 1901 if (!strncmp(pa0, "bu10", 4)) {
595a136b 1902 buopen(2, Mcd2Data, Config.Mcd2);
02949f79 1903 }
ef79bbde
P		 1904 }
1905
1906 pc0 = ra;
1907}
1908
1909/*
1910 * int lseek(int fd , int offset , int whence);
1911 */
1912
1913void psxBios_lseek() { // 0x33
1914#ifdef PSXBIOS_LOG
1915 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
1916#endif
1917
1918 switch (a2) {
1919 case 0: // SEEK_SET
1920 FDesc[a0].offset = a1;
1921 v0 = a1;
1922// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1923// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1924 break;
1925
1926 case 1: // SEEK_CUR
1927 FDesc[a0].offset+= a1;
1928 v0 = FDesc[a0].offset;
1929 break;
1930 }
1931
1932 pc0 = ra;
1933}
1934
595a136b 1935#define buread(Ra1, mcd, length) { \
ef79bbde
P		 1936 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); \
1937 ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
595a136b 1938 memcpy(Ra1, ptr, length); \
ef79bbde
P		 1939 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1940 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
595a136b 1941 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1942 else v0 = length; \
1943 FDesc[1 + mcd].offset += v0; \
ef79bbde
P		 1944}
1945
595a136b 1946
1947
ef79bbde
P		 1948/*
1949 * int read(int fd , void *buf , int nbytes);
1950 */
1951
1952void psxBios_read() { // 0x34
1953 char *ptr;
02949f79 1954 void *pa1 = Ra1;
ef79bbde
P		 1955
1956#ifdef PSXBIOS_LOG
1957 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
1958#endif
1959
1960 v0 = -1;
1961
02949f79 1962 if (pa1) {
1963 switch (a0) {
595a136b 1964 case 2: buread(pa1, 1, a2); break;
1965 case 3: buread(pa1, 2, a2); break;
02949f79 1966 }
ef79bbde
P		 1967 }
1968
1969 pc0 = ra;
1970}
1971
595a136b 1972#define buwrite(Ra1, mcd, length) { \
ef79bbde
P		 1973 u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1974 SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \
1975 ptr = Mcd##mcd##Data + offset; \
595a136b 1976 memcpy(ptr, Ra1, length); \
ef79bbde
P		 1977 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1978 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
595a136b 1979 FDesc[1 + mcd].offset += length; \
1980 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1981 else v0 = length; \
ef79bbde
P		 1982}
1983
1984/*
1985 * int write(int fd , void *buf , int nbytes);
1986 */
1987
1988void psxBios_write() { // 0x35/0x03
1989 char *ptr;
02949f79 1990 void *pa1 = Ra1;
1991
1992#ifdef PSXBIOS_LOG
1993 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
1994#endif
1995
1996 v0 = -1;
1997 if (!pa1) {
1998 pc0 = ra;
1999 return;
2000 }
ef79bbde
P		 2001
2002 if (a0 == 1) { // stdout
02949f79 2003 char *ptr = pa1;
ef79bbde 2004
02949f79 2005 v0 = a2;
ef79bbde
P		 2006 while (a2 > 0) {
2007 SysPrintf("%c", *ptr++); a2--;
2008 }
2009 pc0 = ra; return;
2010 }
ef79bbde
P		 2011
2012 switch (a0) {
595a136b 2013 case 2: buwrite(pa1, 1, a2); break;
2014 case 3: buwrite(pa1, 2, a2); break;
ef79bbde
P		 2015 }
2016
2017 pc0 = ra;
2018}
2019
2020/*
2021 * int close(int fd);
2022 */
2023
2024void psxBios_close() { // 0x36
2025#ifdef PSXBIOS_LOG
2026 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
2027#endif
2028
2029 v0 = a0;
2030 pc0 = ra;
2031}
2032
2033void psxBios_putchar() { // 3d
2034 SysPrintf("%c", (char)a0);
2035 pc0 = ra;
2036}
2037
2038void psxBios_puts() { // 3e/3f
808a13bd 2039 SysPrintf("%s", Ra0);
ef79bbde
P		 2040 pc0 = ra;
2041}
2042
2043char ffile[64], *pfile;
2044int nfile;
2045
2046#define bufile(mcd) { \
2047 while (nfile < 16) { \
2048 int match=1; \
2049 \
595a136b 2050 ptr = Mcd##mcd##Data + 128 * (nfile + 1); \
ef79bbde
P		 2051 nfile++; \
2052 if ((*ptr & 0xF0) != 0x50) continue; \
595a136b 2053 /* Bug link files show up as free block. */ \
2054 if (!ptr[0xa]) continue; \
ef79bbde
P		 2055 ptr+= 0xa; \
2056 if (pfile[0] == 0) { \
507d7c1d 2057 strncpy(dir->name, ptr, sizeof(dir->name)); \
2058 dir->name[sizeof(dir->name) - 1] = '\0'; \
ef79bbde
P		 2059 } else for (i=0; i<20; i++) { \
2060 if (pfile[i] == ptr[i]) { \
595a136b 2061 dir->name[i] = ptr[i]; continue; } \
ef79bbde
P		 2062 if (pfile[i] == '?') { \
2063 dir->name[i] = ptr[i]; continue; } \
2064 if (pfile[i] == '*') { \
2065 strcpy(dir->name+i, ptr+i); break; } \
2066 match = 0; break; \
2067 } \
2068 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
595a136b 2069 if (match == 0) { continue; } \
ef79bbde
P		 2070 dir->size = 8192; \
2071 v0 = _dir; \
2072 break; \
2073 } \
2074}
2075
2076/*
2077 * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
2078 */
2079
2080void psxBios_firstfile() { // 42
2081 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
02949f79 2082 void *pa0 = Ra0;
ef79bbde
P		 2083 u32 _dir = a1;
2084 char *ptr;
2085 int i;
2086
2087#ifdef PSXBIOS_LOG
2088 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
2089#endif
2090
2091 v0 = 0;
2092
02949f79 2093 if (pa0) {
2094 strcpy(ffile, pa0);
2095 pfile = ffile+5;
2096 nfile = 1;
2097 if (!strncmp(pa0, "bu00", 4)) {
2098 bufile(1);
2099 } else if (!strncmp(pa0, "bu10", 4)) {
2100 bufile(2);
2101 }
ef79bbde
P		 2102 }
2103
66ade381 2104 // firstfile() calls _card_read() internally, so deliver it's event
2105 DeliverEvent(0x11, 0x2);
2106
ef79bbde
P		 2107 pc0 = ra;
2108}
2109
2110/*
2111 * struct DIRENTRY* nextfile(struct DIRENTRY *dir);
2112 */
2113
2114void psxBios_nextfile() { // 43
2115 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
2116 u32 _dir = a0;
2117 char *ptr;
2118 int i;
2119
2120#ifdef PSXBIOS_LOG
2121 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
2122#endif
2123
2124 v0 = 0;
2125
2126 if (!strncmp(ffile, "bu00", 4)) {
2127 bufile(1);
2128 }
2129
2130 if (!strncmp(ffile, "bu10", 4)) {
2131 bufile(2);
2132 }
2133
2134 pc0 = ra;
2135}
2136
2137#define burename(mcd) { \
2138 for (i=1; i<16; i++) { \
2139 int namelen, j, xor = 0; \
2140 ptr = Mcd##mcd##Data + 128 * i; \
2141 if ((*ptr & 0xF0) != 0x50) continue; \
2142 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2143 namelen = strlen(Ra1+5); \
2144 memcpy(ptr+0xa, Ra1+5, namelen); \
2145 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
2146 for (j=0; j<127; j++) xor^= ptr[j]; \
2147 ptr[127] = xor; \
2148 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
2149 v0 = 1; \
2150 break; \
2151 } \
2152}
2153
2154/*
2155 * int rename(char *old, char *new);
2156 */
2157
2158void psxBios_rename() { // 44
02949f79 2159 void *pa0 = Ra0;
2160 void *pa1 = Ra1;
ef79bbde
P		 2161 char *ptr;
2162 int i;
2163
2164#ifdef PSXBIOS_LOG
2165 PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
2166#endif
2167
2168 v0 = 0;
2169
02949f79 2170 if (pa0 && pa1) {
2171 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
2172 burename(1);
2173 }
ef79bbde 2174
02949f79 2175 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
2176 burename(2);
2177 }
ef79bbde
P		 2178 }
2179
2180 pc0 = ra;
2181}
2182
2183
2184#define budelete(mcd) { \
2185 for (i=1; i<16; i++) { \
2186 ptr = Mcd##mcd##Data + 128 * i; \
2187 if ((*ptr & 0xF0) != 0x50) continue; \
2188 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2189 *ptr = (*ptr & 0xf) | 0xA0; \
2190 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
2191 SysPrintf("delete %s\n", ptr+0xa); \
2192 v0 = 1; \
2193 break; \
2194 } \
2195}
2196
2197/*
2198 * int delete(char *name);
2199 */
2200
2201void psxBios_delete() { // 45
02949f79 2202 void *pa0 = Ra0;
ef79bbde
P		 2203 char *ptr;
2204 int i;
2205
2206#ifdef PSXBIOS_LOG
2207 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2208#endif
2209
2210 v0 = 0;
2211
02949f79 2212 if (pa0) {
2213 if (!strncmp(pa0, "bu00", 4)) {
2214 budelete(1);
2215 }
ef79bbde 2216
02949f79 2217 if (!strncmp(pa0, "bu10", 4)) {
2218 budelete(2);
2219 }
ef79bbde
P		 2220 }
2221
2222 pc0 = ra;
2223}
2224
2225void psxBios_InitCARD() { // 4a
2226#ifdef PSXBIOS_LOG
2227 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2228#endif
2229
2230 CardState = 0;
2231
2232 pc0 = ra;
2233}
2234
2235void psxBios_StartCARD() { // 4b
2236#ifdef PSXBIOS_LOG
2237 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2238#endif
2239
2240 if (CardState == 0) CardState = 1;
2241
2242 pc0 = ra;
2243}
2244
2245void psxBios_StopCARD() { // 4c
2246#ifdef PSXBIOS_LOG
2247 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2248#endif
2249
2250 if (CardState == 1) CardState = 0;
2251
2252 pc0 = ra;
2253}
2254
2255void psxBios__card_write() { // 0x4e
02949f79 2256 void *pa2 = Ra2;
ef79bbde
P		 2257 int port;
2258
2259#ifdef PSXBIOS_LOG
2260 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2261#endif
bd48ba5e 2262 /* Function also accepts sector 400h (a bug) */
2263 if (!(a1 <= 0x400))
2264 {
2265 /* Invalid sectors */
2266 v0 = 0; pc0 = ra;
2267 return;
2268 }
e9fda093 2269 card_active_chan = a0;
ef79bbde
P		 2270 port = a0 >> 4;
2271
02949f79 2272 if (pa2) {
2273 if (port == 0) {
2274 memcpy(Mcd1Data + a1 * 128, pa2, 128);
2275 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2276 } else {
2277 memcpy(Mcd2Data + a1 * 128, pa2, 128);
2278 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2279 }
ef79bbde
P		 2280 }
2281
2282 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2283// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2284
2285 v0 = 1; pc0 = ra;
2286}
2287
2288void psxBios__card_read() { // 0x4f
02949f79 2289 void *pa2 = Ra2;
ef79bbde
P		 2290 int port;
2291
2292#ifdef PSXBIOS_LOG
2293 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2294#endif
bd48ba5e 2295 /* Function also accepts sector 400h (a bug) */
2296 if (!(a1 <= 0x400))
2297 {
2298 /* Invalid sectors */
2299 v0 = 0; pc0 = ra;
2300 return;
2301 }
e9fda093 2302 card_active_chan = a0;
ef79bbde
P		 2303 port = a0 >> 4;
2304
02949f79 2305 if (pa2) {
2306 if (port == 0) {
2307 memcpy(pa2, Mcd1Data + a1 * 128, 128);
2308 } else {
2309 memcpy(pa2, Mcd2Data + a1 * 128, 128);
2310 }
ef79bbde
P		 2311 }
2312
2313 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2314// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2315
2316 v0 = 1; pc0 = ra;
2317}
2318
2319void psxBios__new_card() { // 0x50
2320#ifdef PSXBIOS_LOG
2321 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2322#endif
2323
2324 pc0 = ra;
2325}
2326
2327void psxBios_Krom2RawAdd() { // 0x51
2328 int i = 0;
2329
2330 const u32 table_8140[][2] = {
2331 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2332 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2333 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2334 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2335 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2336 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2337 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2338 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2339 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2340 {0xffff, 0}
2341 };
2342
2343 const u32 table_889f[][2] = {
2344 {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4},
2345 {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304},
2346 {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14},
2347 {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24},
2348 {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734},
2349 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2350 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2351 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2352 {0xffff, 0}
2353 };
2354
2355 if (a0 >= 0x8140 && a0 <= 0x84be) {
2356 while (table_8140[i][0] <= a0) i++;
2357 a0 -= table_8140[i - 1][0];
2358 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2359 } else if (a0 >= 0x889f && a0 <= 0x9872) {
2360 while (table_889f[i][0] <= a0) i++;
2361 a0 -= table_889f[i - 1][0];
2362 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2363 } else {
2364 v0 = 0xffffffff;
2365 }
2366
2367 pc0 = ra;
2368}
2369
2370void psxBios_GetC0Table() { // 56
2371#ifdef PSXBIOS_LOG
2372 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2373#endif
2374
2375 v0 = 0x674; pc0 = ra;
2376}
2377
2378void psxBios_GetB0Table() { // 57
2379#ifdef PSXBIOS_LOG
2380 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2381#endif
2382
2383 v0 = 0x874; pc0 = ra;
2384}
2385
e9fda093 2386void psxBios__card_chan() { // 0x58
2387#ifdef PSXBIOS_LOG
2388 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2389#endif
2390
2391 v0 = card_active_chan;
2392 pc0 = ra;
2393}
2394
ef79bbde
P		 2395void psxBios_ChangeClearPad() { // 5b
2396#ifdef PSXBIOS_LOG
2397 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2398#endif
2399
2400 pc0 = ra;
2401}
2402
2403/* System calls C0 */
2404
2405/*
2406 * int SysEnqIntRP(int index , long *queue);
2407 */
2408
2409void psxBios_SysEnqIntRP() { // 02
2410#ifdef PSXBIOS_LOG
2411 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2412#endif
2413
2414 SysIntRP[a0] = a1;
2415
2416 v0 = 0; pc0 = ra;
2417}
2418
2419/*
2420 * int SysDeqIntRP(int index , long *queue);
2421 */
2422
2423void psxBios_SysDeqIntRP() { // 03
2424#ifdef PSXBIOS_LOG
2425 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2426#endif
2427
2428 SysIntRP[a0] = 0;
2429
2430 v0 = 0; pc0 = ra;
2431}
2432
2433void psxBios_ChangeClearRCnt() { // 0a
2434 u32 *ptr;
2435
2436#ifdef PSXBIOS_LOG
2437 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2438#endif
2439
2440 ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2441 v0 = *ptr;
2442 *ptr = a1;
2443
2444// psxRegs.CP0.n.Status|= 0x404;
2445 pc0 = ra;
2446}
2447
2448void psxBios_dummy() {
2449#ifdef PSXBIOS_LOG
2450 PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2451#endif
2452 pc0 = ra;
2453}
2454
2455void (*biosA0[256])();
2456void (*biosB0[256])();
2457void (*biosC0[256])();
2458
2459#include "sjisfont.h"
2460
2461void psxBiosInit() {
2462 u32 base, size;
2463 u32 *ptr;
2464 int i;
2465 uLongf len;
2466
2467 for(i = 0; i < 256; i++) {
2468 biosA0[i] = NULL;
2469 biosB0[i] = NULL;
2470 biosC0[i] = NULL;
2471 }
2472 biosA0[0x3e] = psxBios_puts;
2473 biosA0[0x3f] = psxBios_printf;
2474
2475 biosB0[0x3d] = psxBios_putchar;
2476 biosB0[0x3f] = psxBios_puts;
2477
2478 if (!Config.HLE) return;
2479
2480 for(i = 0; i < 256; i++) {
2481 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2482 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2483 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2484 }
2485
2486 biosA0[0x00] = psxBios_open;
2487 biosA0[0x01] = psxBios_lseek;
2488 biosA0[0x02] = psxBios_read;
2489 biosA0[0x03] = psxBios_write;
2490 biosA0[0x04] = psxBios_close;
2491 //biosA0[0x05] = psxBios_ioctl;
2492 //biosA0[0x06] = psxBios_exit;
2493 //biosA0[0x07] = psxBios_sys_a0_07;
324cec89 2494 biosA0[0x08] = psxBios_getc;
2495 biosA0[0x09] = psxBios_putc;
ba11675c 2496 biosA0[0x0a] = psxBios_todigit;
ef79bbde
P		 2497 //biosA0[0x0b] = psxBios_atof;
2498 //biosA0[0x0c] = psxBios_strtoul;
2499 //biosA0[0x0d] = psxBios_strtol;
2500 biosA0[0x0e] = psxBios_abs;
2501 biosA0[0x0f] = psxBios_labs;
2502 biosA0[0x10] = psxBios_atoi;
2503 biosA0[0x11] = psxBios_atol;
2504 //biosA0[0x12] = psxBios_atob;
2505 biosA0[0x13] = psxBios_setjmp;
2506 biosA0[0x14] = psxBios_longjmp;
2507 biosA0[0x15] = psxBios_strcat;
2508 biosA0[0x16] = psxBios_strncat;
2509 biosA0[0x17] = psxBios_strcmp;
2510 biosA0[0x18] = psxBios_strncmp;
2511 biosA0[0x19] = psxBios_strcpy;
2512 biosA0[0x1a] = psxBios_strncpy;
2513 biosA0[0x1b] = psxBios_strlen;
2514 biosA0[0x1c] = psxBios_index;
2515 biosA0[0x1d] = psxBios_rindex;
2516 biosA0[0x1e] = psxBios_strchr;
2517 biosA0[0x1f] = psxBios_strrchr;
2518 biosA0[0x20] = psxBios_strpbrk;
2519 biosA0[0x21] = psxBios_strspn;
2520 biosA0[0x22] = psxBios_strcspn;
2521 biosA0[0x23] = psxBios_strtok;
2522 biosA0[0x24] = psxBios_strstr;
2523 biosA0[0x25] = psxBios_toupper;
2524 biosA0[0x26] = psxBios_tolower;
2525 biosA0[0x27] = psxBios_bcopy;
2526 biosA0[0x28] = psxBios_bzero;
2527 biosA0[0x29] = psxBios_bcmp;
2528 biosA0[0x2a] = psxBios_memcpy;
2529 biosA0[0x2b] = psxBios_memset;
2530 biosA0[0x2c] = psxBios_memmove;
2531 biosA0[0x2d] = psxBios_memcmp;
2532 biosA0[0x2e] = psxBios_memchr;
2533 biosA0[0x2f] = psxBios_rand;
2534 biosA0[0x30] = psxBios_srand;
2535 biosA0[0x31] = psxBios_qsort;
2536 //biosA0[0x32] = psxBios_strtod;
2537 biosA0[0x33] = psxBios_malloc;
2538 biosA0[0x34] = psxBios_free;
2539 //biosA0[0x35] = psxBios_lsearch;
2540 //biosA0[0x36] = psxBios_bsearch;
2541 biosA0[0x37] = psxBios_calloc;
2542 biosA0[0x38] = psxBios_realloc;
2543 biosA0[0x39] = psxBios_InitHeap;
2544 //biosA0[0x3a] = psxBios__exit;
2545 biosA0[0x3b] = psxBios_getchar;
2546 biosA0[0x3c] = psxBios_putchar;
2547 //biosA0[0x3d] = psxBios_gets;
2548 //biosA0[0x40] = psxBios_sys_a0_40;
2549 //biosA0[0x41] = psxBios_LoadTest;
2550 biosA0[0x42] = psxBios_Load;
2551 biosA0[0x43] = psxBios_Exec;
2552 biosA0[0x44] = psxBios_FlushCache;
2553 //biosA0[0x45] = psxBios_InstallInterruptHandler;
2554 biosA0[0x46] = psxBios_GPU_dw;
2555 biosA0[0x47] = psxBios_mem2vram;
2556 biosA0[0x48] = psxBios_SendGPU;
2557 biosA0[0x49] = psxBios_GPU_cw;
2558 biosA0[0x4a] = psxBios_GPU_cwb;
2559 biosA0[0x4b] = psxBios_GPU_SendPackets;
2560 biosA0[0x4c] = psxBios_sys_a0_4c;
2561 biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2562 //biosA0[0x4e] = psxBios_GPU_sync;
2563 //biosA0[0x4f] = psxBios_sys_a0_4f;
2564 //biosA0[0x50] = psxBios_sys_a0_50;
2565 biosA0[0x51] = psxBios_LoadExec;
2566 //biosA0[0x52] = psxBios_GetSysSp;
2567 //biosA0[0x53] = psxBios_sys_a0_53;
2568 //biosA0[0x54] = psxBios__96_init_a54;
2569 //biosA0[0x55] = psxBios__bu_init_a55;
2570 //biosA0[0x56] = psxBios__96_remove_a56;
2571 //biosA0[0x57] = psxBios_sys_a0_57;
2572 //biosA0[0x58] = psxBios_sys_a0_58;
2573 //biosA0[0x59] = psxBios_sys_a0_59;
2574 //biosA0[0x5a] = psxBios_sys_a0_5a;
2575 //biosA0[0x5b] = psxBios_dev_tty_init;
2576 //biosA0[0x5c] = psxBios_dev_tty_open;
2577 //biosA0[0x5d] = psxBios_sys_a0_5d;
2578 //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2579 //biosA0[0x5f] = psxBios_dev_cd_open;
2580 //biosA0[0x60] = psxBios_dev_cd_read;
2581 //biosA0[0x61] = psxBios_dev_cd_close;
2582 //biosA0[0x62] = psxBios_dev_cd_firstfile;
2583 //biosA0[0x63] = psxBios_dev_cd_nextfile;
2584 //biosA0[0x64] = psxBios_dev_cd_chdir;
2585 //biosA0[0x65] = psxBios_dev_card_open;
2586 //biosA0[0x66] = psxBios_dev_card_read;
2587 //biosA0[0x67] = psxBios_dev_card_write;
2588 //biosA0[0x68] = psxBios_dev_card_close;
2589 //biosA0[0x69] = psxBios_dev_card_firstfile;
2590 //biosA0[0x6a] = psxBios_dev_card_nextfile;
2591 //biosA0[0x6b] = psxBios_dev_card_erase;
2592 //biosA0[0x6c] = psxBios_dev_card_undelete;
2593 //biosA0[0x6d] = psxBios_dev_card_format;
2594 //biosA0[0x6e] = psxBios_dev_card_rename;
2595 //biosA0[0x6f] = psxBios_dev_card_6f;
2596 biosA0[0x70] = psxBios__bu_init;
2597 biosA0[0x71] = psxBios__96_init;
2598 biosA0[0x72] = psxBios__96_remove;
2599 //biosA0[0x73] = psxBios_sys_a0_73;
2600 //biosA0[0x74] = psxBios_sys_a0_74;
2601 //biosA0[0x75] = psxBios_sys_a0_75;
2602 //biosA0[0x76] = psxBios_sys_a0_76;
2603 //biosA0[0x77] = psxBios_sys_a0_77;
2604 //biosA0[0x78] = psxBios__96_CdSeekL;
2605 //biosA0[0x79] = psxBios_sys_a0_79;
2606 //biosA0[0x7a] = psxBios_sys_a0_7a;
2607 //biosA0[0x7b] = psxBios_sys_a0_7b;
2608 //biosA0[0x7c] = psxBios__96_CdGetStatus;
2609 //biosA0[0x7d] = psxBios_sys_a0_7d;
2610 //biosA0[0x7e] = psxBios__96_CdRead;
2611 //biosA0[0x7f] = psxBios_sys_a0_7f;
2612 //biosA0[0x80] = psxBios_sys_a0_80;
2613 //biosA0[0x81] = psxBios_sys_a0_81;
2614 //biosA0[0x82] = psxBios_sys_a0_82;
2615 //biosA0[0x83] = psxBios_sys_a0_83;
2616 //biosA0[0x84] = psxBios_sys_a0_84;
2617 //biosA0[0x85] = psxBios__96_CdStop;
2618 //biosA0[0x86] = psxBios_sys_a0_86;
2619 //biosA0[0x87] = psxBios_sys_a0_87;
2620 //biosA0[0x88] = psxBios_sys_a0_88;
2621 //biosA0[0x89] = psxBios_sys_a0_89;
2622 //biosA0[0x8a] = psxBios_sys_a0_8a;
2623 //biosA0[0x8b] = psxBios_sys_a0_8b;
2624 //biosA0[0x8c] = psxBios_sys_a0_8c;
2625 //biosA0[0x8d] = psxBios_sys_a0_8d;
2626 //biosA0[0x8e] = psxBios_sys_a0_8e;
2627 //biosA0[0x8f] = psxBios_sys_a0_8f;
2628 //biosA0[0x90] = psxBios_sys_a0_90;
2629 //biosA0[0x91] = psxBios_sys_a0_91;
2630 //biosA0[0x92] = psxBios_sys_a0_92;
2631 //biosA0[0x93] = psxBios_sys_a0_93;
2632 //biosA0[0x94] = psxBios_sys_a0_94;
2633 //biosA0[0x95] = psxBios_sys_a0_95;
2634 //biosA0[0x96] = psxBios_AddCDROMDevice;
2635 //biosA0[0x97] = psxBios_AddMemCardDevide;
2636 //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2637 //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2638 //biosA0[0x9a] = psxBios_sys_a0_9a;
2639 //biosA0[0x9b] = psxBios_sys_a0_9b;
2640 //biosA0[0x9c] = psxBios_SetConf;
2641 //biosA0[0x9d] = psxBios_GetConf;
2642 //biosA0[0x9e] = psxBios_sys_a0_9e;
2643 biosA0[0x9f] = psxBios_SetMem;
2644 //biosA0[0xa0] = psxBios__boot;
2645 //biosA0[0xa1] = psxBios_SystemError;
2646 //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2647 //biosA0[0xa3] = psxBios_DequeueCdIntr;
2648 //biosA0[0xa4] = psxBios_sys_a0_a4;
2649 //biosA0[0xa5] = psxBios_ReadSector;
2650 //biosA0[0xa6] = psxBios_get_cd_status;
2651 //biosA0[0xa7] = psxBios_bufs_cb_0;
2652 //biosA0[0xa8] = psxBios_bufs_cb_1;
2653 //biosA0[0xa9] = psxBios_bufs_cb_2;
2654 //biosA0[0xaa] = psxBios_bufs_cb_3;
2655 biosA0[0xab] = psxBios__card_info;
2656 biosA0[0xac] = psxBios__card_load;
2657 //biosA0[0axd] = psxBios__card_auto;
2658 //biosA0[0xae] = psxBios_bufs_cd_4;
2659 //biosA0[0xaf] = psxBios_sys_a0_af;
2660 //biosA0[0xb0] = psxBios_sys_a0_b0;
2661 //biosA0[0xb1] = psxBios_sys_a0_b1;
2662 //biosA0[0xb2] = psxBios_do_a_long_jmp
2663 //biosA0[0xb3] = psxBios_sys_a0_b3;
2664 //biosA0[0xb4] = psxBios_sub_function;
2665//*******************B0 CALLS****************************
2666 //biosB0[0x00] = psxBios_SysMalloc;
2667 //biosB0[0x01] = psxBios_sys_b0_01;
2668 biosB0[0x02] = psxBios_SetRCnt;
2669 biosB0[0x03] = psxBios_GetRCnt;
2670 biosB0[0x04] = psxBios_StartRCnt;
2671 biosB0[0x05] = psxBios_StopRCnt;
2672 biosB0[0x06] = psxBios_ResetRCnt;
2673 biosB0[0x07] = psxBios_DeliverEvent;
2674 biosB0[0x08] = psxBios_OpenEvent;
2675 biosB0[0x09] = psxBios_CloseEvent;
2676 biosB0[0x0a] = psxBios_WaitEvent;
2677 biosB0[0x0b] = psxBios_TestEvent;
2678 biosB0[0x0c] = psxBios_EnableEvent;
2679 biosB0[0x0d] = psxBios_DisableEvent;
2680 biosB0[0x0e] = psxBios_OpenTh;
2681 biosB0[0x0f] = psxBios_CloseTh;
2682 biosB0[0x10] = psxBios_ChangeTh;
2683 //biosB0[0x11] = psxBios_psxBios_b0_11;
2684 biosB0[0x12] = psxBios_InitPAD;
2685 biosB0[0x13] = psxBios_StartPAD;
2686 biosB0[0x14] = psxBios_StopPAD;
2687 biosB0[0x15] = psxBios_PAD_init;
2688 biosB0[0x16] = psxBios_PAD_dr;
2689 biosB0[0x17] = psxBios_ReturnFromException;
2690 biosB0[0x18] = psxBios_ResetEntryInt;
2691 biosB0[0x19] = psxBios_HookEntryInt;
2692 //biosB0[0x1a] = psxBios_sys_b0_1a;
2693 //biosB0[0x1b] = psxBios_sys_b0_1b;
2694 //biosB0[0x1c] = psxBios_sys_b0_1c;
2695 //biosB0[0x1d] = psxBios_sys_b0_1d;
2696 //biosB0[0x1e] = psxBios_sys_b0_1e;
2697 //biosB0[0x1f] = psxBios_sys_b0_1f;
2698 biosB0[0x20] = psxBios_UnDeliverEvent;
2699 //biosB0[0x21] = psxBios_sys_b0_21;
2700 //biosB0[0x22] = psxBios_sys_b0_22;
2701 //biosB0[0x23] = psxBios_sys_b0_23;
2702 //biosB0[0x24] = psxBios_sys_b0_24;
2703 //biosB0[0x25] = psxBios_sys_b0_25;
2704 //biosB0[0x26] = psxBios_sys_b0_26;
2705 //biosB0[0x27] = psxBios_sys_b0_27;
2706 //biosB0[0x28] = psxBios_sys_b0_28;
2707 //biosB0[0x29] = psxBios_sys_b0_29;
2708 //biosB0[0x2a] = psxBios_sys_b0_2a;
2709 //biosB0[0x2b] = psxBios_sys_b0_2b;
2710 //biosB0[0x2c] = psxBios_sys_b0_2c;
2711 //biosB0[0x2d] = psxBios_sys_b0_2d;
2712 //biosB0[0x2e] = psxBios_sys_b0_2e;
2713 //biosB0[0x2f] = psxBios_sys_b0_2f;
2714 //biosB0[0x30] = psxBios_sys_b0_30;
2715 //biosB0[0x31] = psxBios_sys_b0_31;
2716 biosB0[0x32] = psxBios_open;
2717 biosB0[0x33] = psxBios_lseek;
2718 biosB0[0x34] = psxBios_read;
2719 biosB0[0x35] = psxBios_write;
2720 biosB0[0x36] = psxBios_close;
2721 //biosB0[0x37] = psxBios_ioctl;
2722 //biosB0[0x38] = psxBios_exit;
2723 //biosB0[0x39] = psxBios_sys_b0_39;
2724 //biosB0[0x3a] = psxBios_getc;
2725 //biosB0[0x3b] = psxBios_putc;
2726 biosB0[0x3c] = psxBios_getchar;
2727 //biosB0[0x3e] = psxBios_gets;
2728 //biosB0[0x40] = psxBios_cd;
e7e1f572 2729 biosB0[0x41] = psxBios_format;
ef79bbde
P		 2730 biosB0[0x42] = psxBios_firstfile;
2731 biosB0[0x43] = psxBios_nextfile;
2732 biosB0[0x44] = psxBios_rename;
2733 biosB0[0x45] = psxBios_delete;
2734 //biosB0[0x46] = psxBios_undelete;
2735 //biosB0[0x47] = psxBios_AddDevice;
2736 //biosB0[0x48] = psxBios_RemoteDevice;
2737 //biosB0[0x49] = psxBios_PrintInstalledDevices;
2738 biosB0[0x4a] = psxBios_InitCARD;
2739 biosB0[0x4b] = psxBios_StartCARD;
2740 biosB0[0x4c] = psxBios_StopCARD;
2741 //biosB0[0x4d] = psxBios_sys_b0_4d;
2742 biosB0[0x4e] = psxBios__card_write;
2743 biosB0[0x4f] = psxBios__card_read;
2744 biosB0[0x50] = psxBios__new_card;
2745 biosB0[0x51] = psxBios_Krom2RawAdd;
2746 //biosB0[0x52] = psxBios_sys_b0_52;
2747 //biosB0[0x53] = psxBios_sys_b0_53;
2748 //biosB0[0x54] = psxBios__get_errno;
2749 //biosB0[0x55] = psxBios__get_error;
2750 biosB0[0x56] = psxBios_GetC0Table;
2751 biosB0[0x57] = psxBios_GetB0Table;
e9fda093 2752 biosB0[0x58] = psxBios__card_chan;
ef79bbde
P		 2753 //biosB0[0x59] = psxBios_sys_b0_59;
2754 //biosB0[0x5a] = psxBios_sys_b0_5a;
2755 biosB0[0x5b] = psxBios_ChangeClearPad;
2756 //biosB0[0x5c] = psxBios__card_status;
2757 //biosB0[0x5d] = psxBios__card_wait;
2758//*******************C0 CALLS****************************
2759 //biosC0[0x00] = psxBios_InitRCnt;
2760 //biosC0[0x01] = psxBios_InitException;
2761 biosC0[0x02] = psxBios_SysEnqIntRP;
2762 biosC0[0x03] = psxBios_SysDeqIntRP;
2763 //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2764 //biosC0[0x05] = psxBios_get_free_TCB_slot;
2765 //biosC0[0x06] = psxBios_ExceptionHandler;
2766 //biosC0[0x07] = psxBios_InstallExeptionHandler;
2767 //biosC0[0x08] = psxBios_SysInitMemory;
2768 //biosC0[0x09] = psxBios_SysInitKMem;
2769 biosC0[0x0a] = psxBios_ChangeClearRCnt;
2770 //biosC0[0x0b] = psxBios_SystemError;
2771 //biosC0[0x0c] = psxBios_InitDefInt;
2772 //biosC0[0x0d] = psxBios_sys_c0_0d;
2773 //biosC0[0x0e] = psxBios_sys_c0_0e;
2774 //biosC0[0x0f] = psxBios_sys_c0_0f;
2775 //biosC0[0x10] = psxBios_sys_c0_10;
2776 //biosC0[0x11] = psxBios_sys_c0_11;
2777 //biosC0[0x12] = psxBios_InstallDevices;
2778 //biosC0[0x13] = psxBios_FlushStfInOutPut;
2779 //biosC0[0x14] = psxBios_sys_c0_14;
2780 //biosC0[0x15] = psxBios__cdevinput;
2781 //biosC0[0x16] = psxBios__cdevscan;
2782 //biosC0[0x17] = psxBios__circgetc;
2783 //biosC0[0x18] = psxBios__circputc;
2784 //biosC0[0x19] = psxBios_ioabort;
2785 //biosC0[0x1a] = psxBios_sys_c0_1a
2786 //biosC0[0x1b] = psxBios_KernelRedirect;
2787 //biosC0[0x1c] = psxBios_PatchAOTable;
2788//************** THE END ***************************************
2789/**/
2790 base = 0x1000;
2791 size = sizeof(EvCB) * 32;
2792 Event = (void *)&psxR[base]; base += size * 6;
2793 memset(Event, 0, size * 6);
2794 HwEV = Event;
2795 EvEV = Event + 32;
2796 RcEV = Event + 32 * 2;
2797 UeEV = Event + 32 * 3;
2798 SwEV = Event + 32 * 4;
2799 ThEV = Event + 32 * 5;
2800
2801 ptr = (u32 *)&psxM[0x0874]; // b0 table
2802 ptr[0] = SWAPu32(0x4c54 - 0x884);
2803
2804 ptr = (u32 *)&psxM[0x0674]; // c0 table
2805 ptr[6] = SWAPu32(0xc80);
2806
2807 memset(SysIntRP, 0, sizeof(SysIntRP));
2808 memset(Thread, 0, sizeof(Thread));
2809 Thread[0].status = 2; // main thread
2810
c62b43c9 2811 jmp_int = NULL;
2812 pad_buf = NULL;
2813 pad_buf1 = NULL;
2814 pad_buf2 = NULL;
2815 pad_buf1len = pad_buf2len = 0;
2816 heap_addr = NULL;
2817 heap_end = NULL;
2818 CardState = -1;
2819 CurThread = 0;
2820 memset(FDesc, 0, sizeof(FDesc));
2821
ef79bbde
P		 2822 psxMu32ref(0x0150) = SWAPu32(0x160);
2823 psxMu32ref(0x0154) = SWAPu32(0x320);
2824 psxMu32ref(0x0160) = SWAPu32(0x248);
2825 strcpy((char *)&psxM[0x248], "bu");
2826/* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
2827 psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
2828 psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
2829 psxMu32ref(0x09e0) = SWAPu32(0x43d0);
2830 psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
2831*/
2832 // opcode HLE
2833 psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
2834 psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
2835 psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
2836 psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
2837 psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
2838 psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
2839 psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
2840 psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
2841 psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
2842 psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
2843
2844 // initial stack pointer for BIOS interrupt
2845 psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
2846
2847 // initial RNG seed
2848 psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
2849
2850 // fonts
2851 len = 0x80000 - 0x66000;
2852 uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
2853 len = 0x80000 - 0x69d68;
2854 uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
2855
2856 // memory size 2 MB
2857 psxHu32ref(0x1060) = SWAPu32(0x00000b88);
2858
2859 hleSoftCall = FALSE;
2860}
2861
2862void psxBiosShutdown() {
2863}
2864
2865#define psxBios_PADpoll(pad) { \
2866 PAD##pad##_startPoll(pad); \
2867 pad_buf##pad[0] = 0; \
2868 pad_buf##pad[1] = PAD##pad##_poll(0x42); \
2869 if (!(pad_buf##pad[1] & 0x0f)) { \
2870 bufcount = 32; \
2871 } else { \
2872 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
2873 } \
2874 PAD##pad##_poll(0); \
2875 i = 2; \
2876 while (bufcount--) { \
2877 pad_buf##pad[i++] = PAD##pad##_poll(0); \
2878 } \
2879}
2880
2881void biosInterrupt() {
2882 int i, bufcount;
2883
2884// if (psxHu32(0x1070) & 0x1) { // Vsync
2885 if (pad_buf != NULL) {
2886 u32 *buf = (u32*)pad_buf;
2887
2888 if (!Config.UseNet) {
2889 PAD1_startPoll(1);
2890 if (PAD1_poll(0x42) == 0x23) {
2891 PAD1_poll(0);
2892 *buf = PAD1_poll(0) << 8;
2893 *buf |= PAD1_poll(0);
2894 PAD1_poll(0);
2895 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
2896 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
2897 } else {
2898 PAD1_poll(0);
2899 *buf = PAD1_poll(0) << 8;
2900 *buf|= PAD1_poll(0);
2901 }
2902
2903 PAD2_startPoll(2);
2904 if (PAD2_poll(0x42) == 0x23) {
2905 PAD2_poll(0);
2906 *buf |= PAD2_poll(0) << 24;
2907 *buf |= PAD2_poll(0) << 16;
2908 PAD2_poll(0);
2909 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
2910 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
2911 } else {
2912 PAD2_poll(0);
2913 *buf |= PAD2_poll(0) << 24;
2914 *buf |= PAD2_poll(0) << 16;
2915 }
2916 } else {
2917 u16 data;
2918
2919 PAD1_startPoll(1);
2920 PAD1_poll(0x42);
2921 PAD1_poll(0);
2922 data = PAD1_poll(0) << 8;
2923 data |= PAD1_poll(0);
2924
2925 if (NET_sendPadData(&data, 2) == -1)
2926 netError();
2927
2928 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
2929 netError();
2930 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
2931 netError();
2932 }
2933 }
2934 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
2935 psxBios_PADpoll(1);
2936
2937 if (NET_sendPadData(pad_buf1, i) == -1)
2938 netError();
2939
2940 if (NET_recvPadData(pad_buf1, 1) == -1)
2941 netError();
2942 if (NET_recvPadData(pad_buf2, 2) == -1)
2943 netError();
2944 } else {
2945 if (pad_buf1) {
2946 psxBios_PADpoll(1);
2947 }
2948
2949 if (pad_buf2) {
2950 psxBios_PADpoll(2);
2951 }
2952 }
2953
2954 if (psxHu32(0x1070) & 0x1) { // Vsync
2955 if (RcEV[3][1].status == EvStACTIVE) {
2956 softCall(RcEV[3][1].fhandler);
2957// hwWrite32(0x1f801070, ~(1));
2958 }
2959 }
2960
2961 if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
2962 int i;
2963
2964 for (i = 0; i < 3; i++) {
2965 if (psxHu32(0x1070) & (1 << (i + 4))) {
2966 if (RcEV[i][1].status == EvStACTIVE) {
2967 softCall(RcEV[i][1].fhandler);
2968 }
2969 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
2970 }
2971 }
2972 }
2973}
2974
2975void psxBiosException() {
2976 int i;
2977
2978 switch (psxRegs.CP0.n.Cause & 0x3c) {
2979 case 0x00: // Interrupt
2980#ifdef PSXCPU_LOG
2981// PSXCPU_LOG("interrupt\n");
2982#endif
2983 SaveRegs();
2984
2985 sp = psxMu32(0x6c80); // create new stack for interrupt handlers
2986
2987 biosInterrupt();
2988
2989 for (i = 0; i < 8; i++) {
2990 if (SysIntRP[i]) {
2991 u32 *queue = (u32 *)PSXM(SysIntRP[i]);
2992
2993 s0 = queue[2];
2994 softCall(queue[1]);
2995 }
2996 }
2997
2998 if (jmp_int != NULL) {
2999 int i;
3000
3001 psxHwWrite32(0x1f801070, 0xffffffff);
3002
3003 ra = jmp_int[0];
3004 sp = jmp_int[1];
3005 fp = jmp_int[2];
3006 for (i = 0; i < 8; i++) // s0-s7
3007 psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
3008 gp = jmp_int[11];
3009
3010 v0 = 1;
3011 pc0 = ra;
3012 return;
3013 }
3014 psxHwWrite16(0x1f801070, 0);
3015 break;
3016
3017 case 0x20: // Syscall
3018#ifdef PSXCPU_LOG
3019 PSXCPU_LOG("syscall exp %x\n", a0);
3020#endif
3021 switch (a0) {
3022 case 1: // EnterCritical - disable irq's
79dad1b3 3023 /* Fixes Medievil 2 not loading up new game, Digimon World not booting up and possibly others */
3024 v0 = (psxRegs.CP0.n.Status & 0x404) == 0x404;
3025 psxRegs.CP0.n.Status &= ~0x404;
ef79bbde
P		 3026 break;
3027
3028 case 2: // ExitCritical - enable irq's
3029 psxRegs.CP0.n.Status |= 0x404;
3030 break;
3031 }
3032 pc0 = psxRegs.CP0.n.EPC + 4;
3033
3034 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3035 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3036 return;
3037
3038 default:
3039#ifdef PSXCPU_LOG
3040 PSXCPU_LOG("unknown bios exception!\n");
3041#endif
3042 break;
3043 }
3044
3045 pc0 = psxRegs.CP0.n.EPC;
3046 if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
3047
3048 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3049 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3050}
3051
3052#define bfreeze(ptr, size) { \
3053 if (Mode == 1) memcpy(&psxR[base], ptr, size); \
3054 if (Mode == 0) memcpy(ptr, &psxR[base], size); \
3055 base += size; \
3056}
3057
3058#define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
3059#define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
3060
3061#define bfreezepsxMptr(ptr, type) { \
3062 if (Mode == 1) { \
3063 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
3064 else psxRu32ref(base) = 0; \
3065 } else { \
3066 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
3067 else (ptr) = NULL; \
3068 } \
3069 base += sizeof(u32); \
3070}
3071
3072void psxBiosFreeze(int Mode) {
3073 u32 base = 0x40000;
3074
3075 bfreezepsxMptr(jmp_int, u32);
3076 bfreezepsxMptr(pad_buf, int);
3077 bfreezepsxMptr(pad_buf1, char);
3078 bfreezepsxMptr(pad_buf2, char);
3079 bfreezepsxMptr(heap_addr, u32);
3080 bfreezel(&pad_buf1len);
3081 bfreezel(&pad_buf2len);
3082 bfreezes(regs);
3083 bfreezes(SysIntRP);
3084 bfreezel(&CardState);
3085 bfreezes(Thread);
3086 bfreezel(&CurThread);
3087 bfreezes(FDesc);
e9fda093 3088 bfreezel(&card_active_chan);
ef79bbde 3089}
ARM optimized PCSX fork