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psxbios: Add checks to memcpy.
[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
d99f6068 319
320#define buread(Ra1, mcd, length) { \
321 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); \
322 ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
323 memcpy(Ra1, ptr, length); \
324 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
325 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
326 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
327 else v0 = length; \
328 FDesc[1 + mcd].offset += v0; \
329}
330
331#define buwrite(Ra1, mcd, length) { \
332 u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
333 SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \
334 ptr = Mcd##mcd##Data + offset; \
335 memcpy(ptr, Ra1, length); \
336 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
337 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
338 FDesc[1 + mcd].offset += length; \
339 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
340 else v0 = length; \
341}
342
343
324cec89 344/* Internally redirects to "FileRead(fd,tempbuf,1)".*/
345/* For some strange reason, the returned character is sign-expanded; */
346/* So if a return value of FFFFFFFFh could mean either character FFh, or error. */
347/* TODO FIX ME : Properly implement this behaviour */
348void psxBios_getc(void) // 0x03, 0x35
349{
d99f6068 350 char *ptr;
324cec89 351 void *pa1 = Ra1;
352#ifdef PSXBIOS_LOG
353 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x03]);
354#endif
355 v0 = -1;
356
357 if (pa1) {
358 switch (a0) {
359 case 2: buread(pa1, 1, 1); break;
360 case 3: buread(pa1, 2, 1); break;
361 }
362 }
363
364 pc0 = ra;
365}
366
367/* Copy of psxBios_write, except size is 1. */
368void psxBios_putc(void) // 0x09, 0x3B
369{
d99f6068 370 char *ptr;
324cec89 371 void *pa1 = Ra1;
372#ifdef PSXBIOS_LOG
373 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x09]);
374#endif
375 v0 = -1;
376 if (!pa1) {
377 pc0 = ra;
378 return;
379 }
380
381 if (a0 == 1) { // stdout
382 char *ptr = (char *)pa1;
383
384 v0 = a2;
385 while (a2 > 0) {
386 printf("%c", *ptr++); a2--;
387 }
388 pc0 = ra; return;
389 }
390
391 switch (a0) {
392 case 2: buwrite(pa1, 1, 1); break;
393 case 3: buwrite(pa1, 2, 1); break;
394 }
395
396 pc0 = ra;
397}
ef79bbde 398
ba11675c 399void psxBios_todigit(void) // 0x0a
400{
401 int c = a0;
402#ifdef PSXBIOS_LOG
403 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x0a]);
404#endif
405 c &= 0xFF;
406 if (c >= 0x30 && c < 0x3A) {
407 c -= 0x30;
408 }
409 else if (c > 0x60 && c < 0x7B) {
410 c -= 0x20;
411 }
412 else if (c > 0x40 && c < 0x5B) {
413 c = c - 0x41 + 10;
414 }
415 else if (c >= 0x80) {
416 c = -1;
417 }
418 else
419 {
420 c = 0x0098967F;
421 }
422 v0 = c;
423 pc0 = ra;
424}
425
ef79bbde
P		 426void psxBios_abs() { // 0x0e
427 if ((s32)a0 < 0) v0 = -(s32)a0;
428 else v0 = a0;
429 pc0 = ra;
430}
431
432void psxBios_labs() { // 0x0f
433 psxBios_abs();
434}
435
436void psxBios_atoi() { // 0x10
437 s32 n = 0, f = 0;
438 char *p = (char *)Ra0;
439
440 for (;;p++) {
441 switch (*p) {
442 case ' ': case '\t': continue;
443 case '-': f++;
444 case '+': p++;
445 }
446 break;
447 }
448
449 while (*p >= '0' && *p <= '9') {
450 n = n * 10 + *p++ - '0';
451 }
452
453 v0 = (f ? -n : n);
454 pc0 = ra;
455}
456
457void psxBios_atol() { // 0x11
458 psxBios_atoi();
459}
460
461void psxBios_setjmp() { // 0x13
462 u32 *jmp_buf = (u32 *)Ra0;
463 int i;
464
465#ifdef PSXBIOS_LOG
466 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]);
467#endif
468
469 jmp_buf[0] = ra;
470 jmp_buf[1] = sp;
471 jmp_buf[2] = fp;
472 for (i = 0; i < 8; i++) // s0-s7
473 jmp_buf[3 + i] = psxRegs.GPR.r[16 + i];
474 jmp_buf[11] = gp;
475
476 v0 = 0; pc0 = ra;
477}
478
479void psxBios_longjmp() { // 0x14
480 u32 *jmp_buf = (u32 *)Ra0;
481 int i;
482
483#ifdef PSXBIOS_LOG
484 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]);
485#endif
486
487 ra = jmp_buf[0]; /* ra */
488 sp = jmp_buf[1]; /* sp */
489 fp = jmp_buf[2]; /* fp */
490 for (i = 0; i < 8; i++) // s0-s7
491 psxRegs.GPR.r[16 + i] = jmp_buf[3 + i];
492 gp = jmp_buf[11]; /* gp */
493
494 v0 = a1; pc0 = ra;
495}
496
497void psxBios_strcat() { // 0x15
498 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
499
500#ifdef PSXBIOS_LOG
501 PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1);
502#endif
bee52312 503 if (a0 == 0 || a1 == 0)
504 {
505 v0 = 0;
506 pc0 = ra;
507 return;
508 }
ef79bbde
P		 509 while (*p1++);
510 --p1;
511 while ((*p1++ = *p2++) != '\0');
512
513 v0 = a0; pc0 = ra;
514}
515
516void psxBios_strncat() { // 0x16
517 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
518 s32 n = a2;
519
520#ifdef PSXBIOS_LOG
521 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2);
522#endif
f42e1e90 523 if (a0 == 0 || a1 == 0)
524 {
525 v0 = 0;
526 pc0 = ra;
527 return;
528 }
ef79bbde
P		 529 while (*p1++);
530 --p1;
531 while ((*p1++ = *p2++) != '\0') {
532 if (--n < 0) {
533 *--p1 = '\0';
534 break;
535 }
536 }
537
538 v0 = a0; pc0 = ra;
539}
540
541void psxBios_strcmp() { // 0x17
542 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
543
544#ifdef PSXBIOS_LOG
545 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1);
546#endif
547
548 while (*p1 == *p2++) {
549 if (*p1++ == '\0') {
550 v0 = 0;
551 pc0 = ra;
552 return;
553 }
554 }
555
556 v0 = (*p1 - *--p2);
557 pc0 = ra;
558}
559
560void psxBios_strncmp() { // 0x18
561 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
562 s32 n = a2;
563
564#ifdef PSXBIOS_LOG
565 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2);
566#endif
567
568 while (--n >= 0 && *p1 == *p2++) {
569 if (*p1++ == '\0') {
570 v0 = 0;
571 pc0 = ra;
572 return;
573 }
574 }
575
576 v0 = (n < 0 ? 0 : *p1 - *--p2);
577 pc0 = ra;
578}
579
580void psxBios_strcpy() { // 0x19
581 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
582 while ((*p1++ = *p2++) != '\0');
583
584 v0 = a0; pc0 = ra;
585}
586
587void psxBios_strncpy() { // 0x1a
588 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
589 s32 n = a2, i;
590
591 for (i = 0; i < n; i++) {
592 if ((*p1++ = *p2++) == '\0') {
593 while (++i < n) {
594 *p1++ = '\0';
595 }
596 v0 = a0; pc0 = ra;
597 return;
598 }
599 }
600
601 v0 = a0; pc0 = ra;
602}
603
604void psxBios_strlen() { // 0x1b
605 char *p = (char *)Ra0;
606 v0 = 0;
607 while (*p++) v0++;
608 pc0 = ra;
609}
610
611void psxBios_index() { // 0x1c
612 char *p = (char *)Ra0;
fcf7ec6c 613 if (a0 == 0)
614 {
615 v0 = 0;
616 pc0 = ra;
617 return;
618 }
619
ef79bbde
P		 620 do {
621 if (*p == a1) {
622 v0 = a0 + (p - (char *)Ra0);
623 pc0 = ra;
624 return;
625 }
626 } while (*p++ != '\0');
627
628 v0 = 0; pc0 = ra;
629}
630
631void psxBios_rindex() { // 0x1d
632 char *p = (char *)Ra0;
633
634 v0 = 0;
fcf7ec6c 635 if (a0 == 0)
636 {
637 pc0 = ra;
638 return;
639 }
ef79bbde
P		 640 do {
641 if (*p == a1)
642 v0 = a0 + (p - (char *)Ra0);
643 } while (*p++ != '\0');
644
645 pc0 = ra;
646}
647
648void psxBios_strchr() { // 0x1e
649 psxBios_index();
650}
651
652void psxBios_strrchr() { // 0x1f
653 psxBios_rindex();
654}
655
656void psxBios_strpbrk() { // 0x20
657 char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc;
658
659 while ((c = *p1++) != '\0') {
660 for (scanp = p2; (sc = *scanp++) != '\0';) {
661 if (sc == c) {
662 v0 = a0 + (p1 - 1 - (char *)Ra0);
663 pc0 = ra;
664 return;
665 }
666 }
667 }
668
669 // BUG: return a0 instead of NULL if not found
670 v0 = a0; pc0 = ra;
671}
672
673void psxBios_strspn() { // 0x21
674 char *p1, *p2;
675
676 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
677 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
678 if (*p2 == '\0') break;
679 }
680
681 v0 = p1 - (char *)Ra0; pc0 = ra;
682}
683
684void psxBios_strcspn() { // 0x22
685 char *p1, *p2;
686
687 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
688 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
689 if (*p2 != '\0') break;
690 }
691
692 v0 = p1 - (char *)Ra0; pc0 = ra;
693}
694
695void psxBios_strtok() { // 0x23
696 char *pcA0 = (char *)Ra0;
697 char *pcRet = strtok(pcA0, (char *)Ra1);
698 if (pcRet)
699 v0 = a0 + pcRet - pcA0;
700 else
701 v0 = 0;
702 pc0 = ra;
703}
704
705void psxBios_strstr() { // 0x24
706 char *p = (char *)Ra0, *p1, *p2;
707
708 while (*p != '\0') {
709 p1 = p;
710 p2 = (char *)Ra1;
711
712 while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) {
713 p1++; p2++;
714 }
715
716 if (*p2 == '\0') {
717 v0 = a0 + (p - (char *)Ra0);
718 pc0 = ra;
719 return;
720 }
721
722 p++;
723 }
724
725 v0 = 0; pc0 = ra;
726}
727
728void psxBios_toupper() { // 0x25
729 v0 = (s8)(a0 & 0xff);
730 if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A';
731 pc0 = ra;
732}
733
734void psxBios_tolower() { // 0x26
735 v0 = (s8)(a0 & 0xff);
736 if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A';
737 pc0 = ra;
738}
739
740void psxBios_bcopy() { // 0x27
741 char *p1 = (char *)Ra1, *p2 = (char *)Ra0;
0148ffb7 742 v0 = a0;
743 if (a0 == 0 || a2 > 0x7FFFFFFF)
744 {
745 pc0 = ra;
746 return;
747 }
5ec7acdf 748 while ((s32)a2-- > 0) *p1++ = *p2++;
0148ffb7 749 a2 = 0;
ef79bbde
P		 750 pc0 = ra;
751}
752
753void psxBios_bzero() { // 0x28
754 char *p = (char *)Ra0;
01724d23 755 v0 = a0;
756 /* Same as memset here (See memset below) */
757 if (a1 > 0x7FFFFFFF || a1 == 0)
758 {
759 v0 = 0;
760 pc0 = ra;
761 return;
762 }
763 else if (a0 == 0)
764 {
765 pc0 = ra;
766 return;
767 }
5ec7acdf 768 while ((s32)a1-- > 0) *p++ = '\0';
01724d23 769 a1 = 0;
ef79bbde
P		 770 pc0 = ra;
771}
772
773void psxBios_bcmp() { // 0x29
774 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
775
776 if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; }
777
5ec7acdf 778 while ((s32)a2-- > 0) {
ef79bbde
P		 779 if (*p1++ != *p2++) {
780 v0 = *p1 - *p2; // BUG: compare the NEXT byte
781 pc0 = ra;
782 return;
783 }
784 }
785
786 v0 = 0; pc0 = ra;
787}
788
789void psxBios_memcpy() { // 0x2a
790 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
ef1da3dc 791 s32 n=0;
792 v0 = a0;
793 if (a0 == 0 || a2 > 0x7FFFFFFF)
794 {
795 pc0 = ra;
796 return;
797 }
798 while ((s32)a2-- > 0) {
799 n++;
800 *p1++ = *p2++;
801 }
802 a2 = 0;
803 pc0 = ra;
ef79bbde
P		 804}
805
806void psxBios_memset() { // 0x2b
807 char *p = (char *)Ra0;
5ec7acdf 808 while ((s32)a2-- > 0) *p++ = (char)a1;
ef79bbde 809
5ec7acdf 810 a2 = 0;
ef79bbde
P		 811 v0 = a0; pc0 = ra;
812}
813
814void psxBios_memmove() { // 0x2c
815 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
816
817 if (p2 <= p1 && p2 + a2 > p1) {
818 a2++; // BUG: copy one more byte here
819 p1 += a2;
820 p2 += a2;
5ec7acdf 821 while ((s32)a2-- > 0) *--p1 = *--p2;
ef79bbde 822 } else {
5ec7acdf 823 while ((s32)a2-- > 0) *p1++ = *p2++;
ef79bbde
P		 824 }
825
826 v0 = a0; pc0 = ra;
827}
828
829void psxBios_memcmp() { // 0x2d
830 psxBios_bcmp();
831}
832
833void psxBios_memchr() { // 0x2e
834 char *p = (char *)Ra0;
835
5ec7acdf 836 while ((s32)a2-- > 0) {
ef79bbde
P		 837 if (*p++ != (s8)a1) continue;
838 v0 = a0 + (p - (char *)Ra0 - 1);
839 pc0 = ra;
840 return;
841 }
842
843 v0 = 0; pc0 = ra;
844}
845
846void psxBios_rand() { // 0x2f
847 u32 s = psxMu32(0x9010) * 1103515245 + 12345;
848 v0 = (s >> 16) & 0x7fff;
849 psxMu32ref(0x9010) = SWAPu32(s);
850 pc0 = ra;
851}
852
853void psxBios_srand() { // 0x30
854 psxMu32ref(0x9010) = SWAPu32(a0);
855 pc0 = ra;
856}
857
858static u32 qscmpfunc, qswidth;
859
860static inline int qscmp(char *a, char *b) {
861 u32 sa0 = a0;
862
863 a0 = sa0 + (a - (char *)PSXM(sa0));
864 a1 = sa0 + (b - (char *)PSXM(sa0));
865
866 softCall2(qscmpfunc);
867
868 a0 = sa0;
869 return (s32)v0;
870}
871
872static inline void qexchange(char *i, char *j) {
873 char t;
874 int n = qswidth;
875
876 do {
877 t = *i;
878 *i++ = *j;
879 *j++ = t;
880 } while (--n);
881}
882
883static inline void q3exchange(char *i, char *j, char *k) {
884 char t;
885 int n = qswidth;
886
887 do {
888 t = *i;
889 *i++ = *k;
890 *k++ = *j;
891 *j++ = t;
892 } while (--n);
893}
894
895static void qsort_main(char *a, char *l) {
896 char *i, *j, *lp, *hp;
897 int c;
898 unsigned int n;
899
900start:
901 if ((n = l - a) <= qswidth)
902 return;
903 n = qswidth * (n / (2 * qswidth));
904 hp = lp = a + n;
905 i = a;
906 j = l - qswidth;
907 while (TRUE) {
908 if (i < lp) {
909 if ((c = qscmp(i, lp)) == 0) {
910 qexchange(i, lp -= qswidth);
911 continue;
912 }
913 if (c < 0) {
914 i += qswidth;
915 continue;
916 }
917 }
918
919loop:
920 if (j > hp) {
921 if ((c = qscmp(hp, j)) == 0) {
922 qexchange(hp += qswidth, j);
923 goto loop;
924 }
925 if (c > 0) {
926 if (i == lp) {
927 q3exchange(i, hp += qswidth, j);
928 i = lp += qswidth;
929 goto loop;
930 }
931 qexchange(i, j);
932 j -= qswidth;
933 i += qswidth;
934 continue;
935 }
936 j -= qswidth;
937 goto loop;
938 }
939
940 if (i == lp) {
941 if (lp - a >= l - hp) {
942 qsort_main(hp + qswidth, l);
943 l = lp;
944 } else {
945 qsort_main(a, lp);
946 a = hp + qswidth;
947 }
948 goto start;
949 }
950
951 q3exchange(j, lp -= qswidth, i);
952 j = hp -= qswidth;
953 }
954}
955
956void psxBios_qsort() { // 0x31
957 qswidth = a2;
958 qscmpfunc = a3;
959 qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
960
961 pc0 = ra;
962}
963
964void psxBios_malloc() { // 0x33
808a13bd 965 unsigned int *chunk, *newchunk = NULL;
966 unsigned int dsize = 0, csize, cstat;
ef79bbde
P		 967 int colflag;
968#ifdef PSXBIOS_LOG
969 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
970#endif
971
972 // scan through heap and combine free chunks of space
973 chunk = heap_addr;
974 colflag = 0;
975 while(chunk < heap_end) {
976 // get size and status of actual chunk
977 csize = ((u32)*chunk) & 0xfffffffc;
978 cstat = ((u32)*chunk) & 1;
979
980 // it's a free chunk
981 if(cstat == 1) {
982 if(colflag == 0) {
983 newchunk = chunk;
984 dsize = csize;
985 colflag = 1; // let's begin a new collection of free memory
986 }
987 else dsize += (csize+4); // add the new size including header
988 }
989 // not a free chunk: did we start a collection ?
990 else {
991 if(colflag == 1) { // collection is over
992 colflag = 0;
993 *newchunk = SWAP32(dsize | 1);
994 }
995 }
996
997 // next chunk
998 chunk = (u32*)((uptr)chunk + csize + 4);
999 }
1000 // if neccessary free memory on end of heap
1001 if (colflag == 1)
1002 *newchunk = SWAP32(dsize | 1);
1003
1004 chunk = heap_addr;
1005 csize = ((u32)*chunk) & 0xfffffffc;
1006 cstat = ((u32)*chunk) & 1;
1007 dsize = (a0 + 3) & 0xfffffffc;
1008
1009 // exit on uninitialized heap
1010 if (chunk == NULL) {
1011 SysPrintf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
1012 v0 = 0;
1013 pc0 = ra;
1014 return;
1015 }
1016
1017 // search an unused chunk that is big enough until the end of the heap
1018 while ((dsize > csize || cstat == 0) && chunk < heap_end ) {
1019 chunk = (u32*)((uptr)chunk + csize + 4);
1020 csize = ((u32)*chunk) & 0xfffffffc;
1021 cstat = ((u32)*chunk) & 1;
1022 }
1023
1024 // catch out of memory
1025 if(chunk >= heap_end) { SysPrintf("malloc %x,%x: Out of memory error!\n", v0, a0); v0 = 0; pc0 = ra; return; }
1026
1027 // allocate memory
1028 if(dsize == csize) {
1029 // chunk has same size
1030 *chunk &= 0xfffffffc;
1031 }
1032 else {
1033 // split free chunk
1034 *chunk = SWAP32(dsize);
1035 newchunk = (u32*)((uptr)chunk + dsize + 4);
808a13bd 1036 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
ef79bbde
P		 1037 }
1038
1039 // return pointer to allocated memory
1040 v0 = ((unsigned long)chunk - (unsigned long)psxM) + 4;
1041 v0|= 0x80000000;
1042 SysPrintf ("malloc %x,%x\n", v0, a0);
1043 pc0 = ra;
1044}
1045
1046void psxBios_free() { // 0x34
1047
1048#ifdef PSXBIOS_LOG
1049 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
1050#endif
1051
1052 SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
1053
1054 *(u32*)(Ra0-4) |= 1; // set chunk to free
1055 pc0 = ra;
1056}
1057
1058void psxBios_calloc() { // 0x37
02949f79 1059 void *pv0;
ef79bbde
P		 1060#ifdef PSXBIOS_LOG
1061 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
1062#endif
1063
1064 a0 = a0 * a1;
1065 psxBios_malloc();
02949f79 1066 pv0 = Rv0;
1067 if (pv0)
1068 memset(pv0, 0, a0);
ef79bbde
P		 1069}
1070
1071void psxBios_realloc() { // 0x38
1072 u32 block = a0;
1073 u32 size = a1;
1074#ifdef PSXBIOS_LOG
1075 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
1076#endif
1077
1078 a0 = block;
391b1d5b 1079 /* If "old_buf" is zero, executes malloc(new_size), and returns r2=new_buf (or 0=failed). */
1080 if (block == 0)
1081 {
1082 psxBios_malloc();
1083 }
1084 /* Else, if "new_size" is zero, executes free(old_buf), and returns r2=garbage. */
1085 else if (size == 0)
1086 {
1087 psxBios_free();
1088 }
1089 /* Else, executes malloc(new_size), bcopy(old_buf,new_buf,new_size), and free(old_buf), and returns r2=new_buf (or 0=failed). */
1090 /* Note that it is not quite implemented this way here. */
1091 else
1092 {
1093 psxBios_free();
1094 a0 = size;
1095 psxBios_malloc();
1096 }
ef79bbde
P		 1097}
1098
1099
1100/* InitHeap(void *block , int n) */
1101void psxBios_InitHeap() { // 0x39
1102 unsigned int size;
1103
1104#ifdef PSXBIOS_LOG
1105 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
1106#endif
1107
1108 if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
1109 else size = a1;
1110
1111 size &= 0xfffffffc;
1112
1113 heap_addr = (u32 *)Ra0;
1114 heap_end = (u32 *)((u8 *)heap_addr + size);
1115 *heap_addr = SWAP32(size | 1);
1116
c979c3ee 1117 SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
ef79bbde
P		 1118
1119 pc0 = ra;
1120}
1121
1122void psxBios_getchar() { //0x3b
1123 v0 = getchar(); pc0 = ra;
1124}
1125
1126void psxBios_printf() { // 0x3f
1127 char tmp[1024];
1128 char tmp2[1024];
1129 u32 save[4];
1130 char *ptmp = tmp;
1131 int n=1, i=0, j;
02949f79 1132 void *psp;
1133
1134 psp = PSXM(sp);
1135 if (psp) {
1136 memcpy(save, psp, 4 * 4);
1137 psxMu32ref(sp) = SWAP32((u32)a0);
1138 psxMu32ref(sp + 4) = SWAP32((u32)a1);
1139 psxMu32ref(sp + 8) = SWAP32((u32)a2);
1140 psxMu32ref(sp + 12) = SWAP32((u32)a3);
1141 }
ef79bbde
P		 1142
1143 while (Ra0[i]) {
1144 switch (Ra0[i]) {
1145 case '%':
1146 j = 0;
1147 tmp2[j++] = '%';
1148_start:
1149 switch (Ra0[++i]) {
1150 case '.':
1151 case 'l':
1152 tmp2[j++] = Ra0[i]; goto _start;
1153 default:
1154 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
1155 tmp2[j++] = Ra0[i];
1156 goto _start;
1157 }
1158 break;
1159 }
1160 tmp2[j++] = Ra0[i];
1161 tmp2[j] = 0;
1162
1163 switch (Ra0[i]) {
1164 case 'f': case 'F':
1165 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
1166 case 'a': case 'A':
1167 case 'e': case 'E':
1168 case 'g': case 'G':
1169 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
1170 case 'p':
888468ff 1171 case 'i': case 'u':
ef79bbde
P		 1172 case 'd': case 'D':
1173 case 'o': case 'O':
1174 case 'x': case 'X':
1175 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
1176 case 'c':
1177 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
1178 case 's':
1179 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1180 case '%':
1181 *ptmp++ = Ra0[i]; break;
1182 }
1183 i++;
1184 break;
1185 default:
1186 *ptmp++ = Ra0[i++];
1187 }
1188 }
1189 *ptmp = 0;
1190
02949f79 1191 if (psp)
1192 memcpy(psp, save, 4 * 4);
ef79bbde 1193
808a13bd 1194 SysPrintf("%s", tmp);
ef79bbde
P		 1195
1196 pc0 = ra;
1197}
1198
e7e1f572 1199void psxBios_format() { // 0x41
1200 if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0')
1201 {
1202 CreateMcd(Config.Mcd1);
1203 LoadMcd(1, Config.Mcd1);
1204 v0 = 1;
1205 }
1206 else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0')
1207 {
1208 CreateMcd(Config.Mcd2);
1209 LoadMcd(2, Config.Mcd2);
1210 v0 = 1;
1211 }
1212 else
1213 {
1214 v0 = 0;
1215 }
1216 pc0 = ra;
1217}
1218
ef79bbde
P		 1219/*
1220 * long Load(char *name, struct EXEC *header);
1221 */
1222
1223void psxBios_Load() { // 0x42
1224 EXE_HEADER eheader;
02949f79 1225 void *pa1;
ef79bbde
P		 1226
1227#ifdef PSXBIOS_LOG
1228 PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1229#endif
1230
02949f79 1231 pa1 = Ra1;
1232 if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) {
1233 memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC));
ef79bbde
P		 1234 v0 = 1;
1235 } else v0 = 0;
1236
1237 pc0 = ra;
1238}
1239
1240/*
1241 * int Exec(struct EXEC *header , int argc , char **argv);
1242 */
1243
1244void psxBios_Exec() { // 43
1245 EXEC *header = (EXEC*)Ra0;
1246 u32 tmp;
1247
1248#ifdef PSXBIOS_LOG
1249 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1250#endif
1251
1252 header->_sp = sp;
1253 header->_fp = fp;
1254 header->_sp = sp;
1255 header->_gp = gp;
1256 header->ret = ra;
1257 header->base = s0;
1258
1259 if (header->S_addr != 0) {
1260 tmp = header->S_addr + header->s_size;
1261 sp = tmp;
1262 fp = sp;
1263 }
1264
1265 gp = header->gp0;
1266
1267 s0 = a0;
1268
1269 a0 = a1;
1270 a1 = a2;
1271
1272 ra = 0x8000;
1273 pc0 = header->_pc0;
1274}
1275
1276void psxBios_FlushCache() { // 44
1277#ifdef PSXBIOS_LOG
1278 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1279#endif
1280
1281 pc0 = ra;
1282}
1283
1284void psxBios_GPU_dw() { // 0x46
1285 int size;
1286 s32 *ptr;
1287
1288#ifdef PSXBIOS_LOG
1289 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1290#endif
1291
1292 GPU_writeData(0xa0000000);
1293 GPU_writeData((a1<<16)|(a0&0xffff));
1294 GPU_writeData((a3<<16)|(a2&0xffff));
1295 size = (a2*a3+1)/2;
1296 ptr = (s32*)PSXM(Rsp[4]); //that is correct?
1297 do {
1298 GPU_writeData(SWAP32(*ptr));
1299 ptr++;
1300 } while(--size);
1301
1302 pc0 = ra;
1303}
1304
1305void psxBios_mem2vram() { // 0x47
1306 int size;
1307
1308 GPU_writeData(0xa0000000);
1309 GPU_writeData((a1<<16)|(a0&0xffff));
1310 GPU_writeData((a3<<16)|(a2&0xffff));
1311 size = (a2*a3+1)/2;
1312 GPU_writeStatus(0x04000002);
1313 psxHwWrite32(0x1f8010f4,0);
1314 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1315 psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1316 psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1317 psxHwWrite32(0x1f8010a8,0x01000201);
1318
1319 pc0 = ra;
1320}
1321
1322void psxBios_SendGPU() { // 0x48
1323 GPU_writeStatus(a0);
ddbaf678 1324 gpuSyncPluginSR();
ef79bbde
P		 1325 pc0 = ra;
1326}
1327
1328void psxBios_GPU_cw() { // 0x49
1329 GPU_writeData(a0);
1330 pc0 = ra;
1331}
1332
1333void psxBios_GPU_cwb() { // 0x4a
1334 s32 *ptr = (s32*)Ra0;
1335 int size = a1;
1336 while(size--) {
1337 GPU_writeData(SWAP32(*ptr));
1338 ptr++;
1339 }
1340
1341 pc0 = ra;
1342}
1343
1344void psxBios_GPU_SendPackets() { //4b:
1345 GPU_writeStatus(0x04000002);
1346 psxHwWrite32(0x1f8010f4,0);
1347 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1348 psxHwWrite32(0x1f8010a0,a0);
1349 psxHwWrite32(0x1f8010a4,0);
1350 psxHwWrite32(0x1f8010a8,0x010000401);
1351 pc0 = ra;
1352}
1353
1354void psxBios_sys_a0_4c() { // 0x4c GPU relate
1355 psxHwWrite32(0x1f8010a8,0x00000401);
1356 GPU_writeData(0x0400000);
1357 GPU_writeData(0x0200000);
1358 GPU_writeData(0x0100000);
cd1ea245 1359 v0 = 0x1f801814;
ef79bbde
P		 1360 pc0 = ra;
1361}
1362
1363void psxBios_GPU_GetGPUStatus() { // 0x4d
1364 v0 = GPU_readStatus();
1365 pc0 = ra;
1366}
1367
1368#undef s_addr
1369
1370void psxBios_LoadExec() { // 51
1371 EXEC *header = (EXEC*)PSXM(0xf000);
1372 u32 s_addr, s_size;
1373
1374#ifdef PSXBIOS_LOG
1375 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1376#endif
1377 s_addr = a1; s_size = a2;
1378
1379 a1 = 0xf000;
1380 psxBios_Load();
1381
1382 header->S_addr = s_addr;
1383 header->s_size = s_size;
1384
1385 a0 = 0xf000; a1 = 0; a2 = 0;
1386 psxBios_Exec();
1387}
1388
1389void psxBios__bu_init() { // 70
1390#ifdef PSXBIOS_LOG
1391 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1392#endif
1393
1394 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1395 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1396
1397 pc0 = ra;
1398}
1399
1400void psxBios__96_init() { // 71
1401#ifdef PSXBIOS_LOG
1402 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1403#endif
1404
1405 pc0 = ra;
1406}
1407
1408void psxBios__96_remove() { // 72
1409#ifdef PSXBIOS_LOG
1410 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1411#endif
1412
1413 pc0 = ra;
1414}
1415
1416void psxBios_SetMem() { // 9f
1417 u32 new = psxHu32(0x1060);
1418
1419#ifdef PSXBIOS_LOG
1420 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1421#endif
1422
1423 switch(a0) {
1424 case 2:
1425 psxHu32ref(0x1060) = SWAP32(new);
1426 psxMu32ref(0x060) = a0;
1427 SysPrintf("Change effective memory : %d MBytes\n",a0);
1428 break;
1429
1430 case 8:
1431 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1432 psxMu32ref(0x060) = a0;
1433 SysPrintf("Change effective memory : %d MBytes\n",a0);
1434
1435 default:
1436 SysPrintf("Effective memory must be 2/8 MBytes\n");
1437 break;
1438 }
1439
1440 pc0 = ra;
1441}
1442
1443void psxBios__card_info() { // ab
1444#ifdef PSXBIOS_LOG
1445 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1446#endif
76b81516 1447 u32 ret;
e9fda093 1448 card_active_chan = a0;
1449
76b81516 1450 switch (card_active_chan)
1451 {
1452 case 0x00: case 0x01: case 0x02: case 0x03:
1453 ret = Config.Mcd1[0] ? 0x2 : 0x8;
1454 break;
1455 case 0x10: case 0x11: case 0x12: case 0x13:
1456 ret = Config.Mcd2[0] ? 0x2 : 0x8;
1457 break;
1458 default:
1459#ifdef PSXBIOS_LOG
1460 PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan);
1461#endif
1462 ret = 0x11;
1463 break;
1464 }
1465
1466// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
ef79bbde
P		 1467// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1468 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
76b81516 1469 DeliverEvent(0x81, ret); // 0xf4000001, 0x0004
ef79bbde
P		 1470
1471 v0 = 1; pc0 = ra;
1472}
1473
1474void psxBios__card_load() { // ac
1475#ifdef PSXBIOS_LOG
1476 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1477#endif
1478
e9fda093 1479 card_active_chan = a0;
1480
ef79bbde
P		 1481// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1482 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1483
1484 v0 = 1; pc0 = ra;
1485}
1486
1487/* System calls B0 */
1488
1489void psxBios_SetRCnt() { // 02
1490#ifdef PSXBIOS_LOG
1491 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1492#endif
1493
1494 a0&= 0x3;
1495 if (a0 != 3) {
1496 u32 mode=0;
1497
1498 psxRcntWtarget(a0, a1);
1499 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1500 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1501 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1502 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1503 else { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1504
1505 psxRcntWmode(a0, mode);
1506 }
1507 pc0 = ra;
1508}
1509
1510void psxBios_GetRCnt() { // 03
1511#ifdef PSXBIOS_LOG
1512 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1513#endif
1514
1515 a0&= 0x3;
1516 if (a0 != 3) v0 = psxRcntRcount(a0);
1517 else v0 = 0;
1518 pc0 = ra;
1519}
1520
1521void psxBios_StartRCnt() { // 04
1522#ifdef PSXBIOS_LOG
1523 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1524#endif
1525
1526 a0&= 0x3;
1527 if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1528 else psxHu32ref(0x1074)|= SWAPu32(0x1);
1529 v0 = 1; pc0 = ra;
1530}
1531
1532void psxBios_StopRCnt() { // 05
1533#ifdef PSXBIOS_LOG
1534 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1535#endif
1536
1537 a0&= 0x3;
1538 if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1539 else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1540 pc0 = ra;
1541}
1542
1543void psxBios_ResetRCnt() { // 06
1544#ifdef PSXBIOS_LOG
1545 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1546#endif
1547
1548 a0&= 0x3;
1549 if (a0 != 3) {
1550 psxRcntWmode(a0, 0);
1551 psxRcntWtarget(a0, 0);
1552 psxRcntWcount(a0, 0);
1553 }
1554 pc0 = ra;
1555}
1556
1557
1558/* gets ev for use with Event */
1559#define GetEv() \
1560 ev = (a0 >> 24) & 0xf; \
1561 if (ev == 0xf) ev = 0x5; \
1562 ev*= 32; \
1563 ev+= a0&0x1f;
1564
1565/* gets spec for use with Event */
1566#define GetSpec() \
1567 spec = 0; \
1568 switch (a1) { \
1569 case 0x0301: spec = 16; break; \
1570 case 0x0302: spec = 17; break; \
1571 default: \
1572 for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1573 break; \
1574 }
1575
1576void psxBios_DeliverEvent() { // 07
1577 int ev, spec;
1578 int i;
1579
1580 GetEv();
1581 GetSpec();
1582
1583#ifdef PSXBIOS_LOG
1584 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1585#endif
1586
1587 DeliverEvent(ev, spec);
1588
1589 pc0 = ra;
1590}
1591
1592void psxBios_OpenEvent() { // 08
1593 int ev, spec;
1594 int i;
1595
1596 GetEv();
1597 GetSpec();
1598
1599#ifdef PSXBIOS_LOG
1600 PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1601#endif
1602
1603 Event[ev][spec].status = EvStWAIT;
1604 Event[ev][spec].mode = a2;
1605 Event[ev][spec].fhandler = a3;
1606
1607 v0 = ev | (spec << 8);
1608 pc0 = ra;
1609}
1610
1611void psxBios_CloseEvent() { // 09
1612 int ev, spec;
1613
1614 ev = a0 & 0xff;
1615 spec = (a0 >> 8) & 0xff;
1616
1617#ifdef PSXBIOS_LOG
1618 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1619#endif
1620
1621 Event[ev][spec].status = EvStUNUSED;
1622
1623 v0 = 1; pc0 = ra;
1624}
1625
1626void psxBios_WaitEvent() { // 0a
1627 int ev, spec;
1628
1629 ev = a0 & 0xff;
1630 spec = (a0 >> 8) & 0xff;
ef79bbde
P		 1631#ifdef PSXBIOS_LOG
1632 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1633#endif
d95c9dcb 1634 if (Event[ev][spec].status == EvStUNUSED)
1635 {
1636 v0 = 0;
1637 pc0 = ra;
1638 return;
1639 }
ef79bbde 1640
d95c9dcb 1641 if (Event[ev][spec].status == EvStALREADY)
1642 {
1643 /* Callback events (mode=EvMdINTR) do never set the ready flag (and thus WaitEvent would hang forever). */
1644 if (!(Event[ev][spec].mode == EvMdINTR)) Event[ev][spec].status = EvStACTIVE;
1645 v0 = 1;
1646 pc0 = ra;
1647 return;
1648 }
ef79bbde 1649
d95c9dcb 1650 v0 = 0;
1651 pc0 = ra;
ef79bbde
P		 1652}
1653
1654void psxBios_TestEvent() { // 0b
1655 int ev, spec;
1656
1657 ev = a0 & 0xff;
1658 spec = (a0 >> 8) & 0xff;
1659
1660 if (Event[ev][spec].status == EvStALREADY) {
1661 Event[ev][spec].status = EvStACTIVE; v0 = 1;
1662 } else v0 = 0;
1663
1664#ifdef PSXBIOS_LOG
1665 PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1666#endif
1667
1668 pc0 = ra;
1669}
1670
1671void psxBios_EnableEvent() { // 0c
1672 int ev, spec;
1673
1674 ev = a0 & 0xff;
1675 spec = (a0 >> 8) & 0xff;
1676
1677#ifdef PSXBIOS_LOG
1678 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1679#endif
1680
1681 Event[ev][spec].status = EvStACTIVE;
1682
1683 v0 = 1; pc0 = ra;
1684}
1685
1686void psxBios_DisableEvent() { // 0d
1687 int ev, spec;
1688
1689 ev = a0 & 0xff;
1690 spec = (a0 >> 8) & 0xff;
1691
1692#ifdef PSXBIOS_LOG
1693 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1694#endif
1695
1696 Event[ev][spec].status = EvStWAIT;
1697
1698 v0 = 1; pc0 = ra;
1699}
1700
1701/*
1702 * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1703 */
1704
1705void psxBios_OpenTh() { // 0e
1706 int th;
1707
1708 for (th=1; th<8; th++)
a66d3058 1709 {
ef79bbde
P		 1710 if (Thread[th].status == 0) break;
1711
a66d3058 1712 }
1713 if (th == 8) {
1714 // Feb 2019 - Added out-of-bounds fix caught by cppcheck:
1715 // When no free TCB is found, return 0xffffffff according to Nocash doc.
1716#ifdef PSXBIOS_LOG
1717 PSXBIOS_LOG("\t%s() WARNING! No Free TCBs found!\n", __func__);
1718#endif
1719 v0 = 0xffffffff;
1720 pc0 = ra;
1721 return;
1722 }
ef79bbde
P		 1723#ifdef PSXBIOS_LOG
1724 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1725#endif
1726
1727 Thread[th].status = 1;
1728 Thread[th].func = a0;
1729 Thread[th].reg[29] = a1;
1730 Thread[th].reg[28] = a2;
1731
1732 v0 = th; pc0 = ra;
1733}
1734
1735/*
1736 * int CloseTh(long thread);
1737 */
1738
1739void psxBios_CloseTh() { // 0f
1740 int th = a0 & 0xff;
1741
1742#ifdef PSXBIOS_LOG
1743 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1744#endif
1745
1746 if (Thread[th].status == 0) {
1747 v0 = 0;
1748 } else {
1749 Thread[th].status = 0;
1750 v0 = 1;
1751 }
1752
1753 pc0 = ra;
1754}
1755
1756/*
1757 * int ChangeTh(long thread);
1758 */
1759
1760void psxBios_ChangeTh() { // 10
1761 int th = a0 & 0xff;
1762
1763#ifdef PSXBIOS_LOG
1764// PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1765#endif
1766
1767 if (Thread[th].status == 0 || CurThread == th) {
1768 v0 = 0;
1769
1770 pc0 = ra;
1771 } else {
1772 v0 = 1;
1773
1774 if (Thread[CurThread].status == 2) {
1775 Thread[CurThread].status = 1;
1776 Thread[CurThread].func = ra;
1777 memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1778 }
1779
1780 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1781 pc0 = Thread[th].func;
1782 Thread[th].status = 2;
1783 CurThread = th;
1784 }
1785}
1786
1787void psxBios_InitPAD() { // 0x12
1788#ifdef PSXBIOS_LOG
1789 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1790#endif
1791
1792 pad_buf1 = (char*)Ra0;
1793 pad_buf1len = a1;
1794 pad_buf2 = (char*)Ra2;
1795 pad_buf2len = a3;
1796
1797 v0 = 1; pc0 = ra;
1798}
1799
1800void psxBios_StartPAD() { // 13
1801#ifdef PSXBIOS_LOG
1802 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1803#endif
1804
1805 psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1806 psxRegs.CP0.n.Status |= 0x401;
1807 pc0 = ra;
1808}
1809
1810void psxBios_StopPAD() { // 14
1811#ifdef PSXBIOS_LOG
1812 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1813#endif
8a0245bb 1814 if (pad_buf == 0){
ef79bbde
P		 1815 pad_buf1 = NULL;
1816 pad_buf2 = NULL;
8a0245bb 1817 }
ef79bbde
P		 1818 pc0 = ra;
1819}
1820
1821void psxBios_PAD_init() { // 15
1822#ifdef PSXBIOS_LOG
1823 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1824#endif
a824e83d 1825 if (!(a0 == 0x20000000 || a0 == 0x20000001))
1826 {
1827 v0 = 0;
1828 pc0 = ra;
1829 return;
1830 }
ef79bbde
P		 1831 psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1832 pad_buf = (int *)Ra1;
1833 *pad_buf = -1;
1834 psxRegs.CP0.n.Status |= 0x401;
a824e83d 1835 v0 = 2;
ef79bbde
P		 1836 pc0 = ra;
1837}
1838
1839void psxBios_PAD_dr() { // 16
1840#ifdef PSXBIOS_LOG
1841 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1842#endif
1843
1844 v0 = -1; pc0 = ra;
1845}
1846
1847void psxBios_ReturnFromException() { // 17
1848 LoadRegs();
1849
1850 pc0 = psxRegs.CP0.n.EPC;
1851 if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1852
1853 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1854 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1855}
1856
1857void psxBios_ResetEntryInt() { // 18
1858#ifdef PSXBIOS_LOG
1859 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1860#endif
1861
1862 jmp_int = NULL;
1863 pc0 = ra;
1864}
1865
1866void psxBios_HookEntryInt() { // 19
1867#ifdef PSXBIOS_LOG
1868 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
1869#endif
1870
1871 jmp_int = (u32*)Ra0;
1872 pc0 = ra;
1873}
1874
1875void psxBios_UnDeliverEvent() { // 0x20
1876 int ev, spec;
1877 int i;
1878
1879 GetEv();
1880 GetSpec();
1881
1882#ifdef PSXBIOS_LOG
1883 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
1884#endif
1885
1886 if (Event[ev][spec].status == EvStALREADY &&
1887 Event[ev][spec].mode == EvMdNOINTR)
1888 Event[ev][spec].status = EvStACTIVE;
1889
1890 pc0 = ra;
1891}
1892
595a136b 1893char ffile[64], *pfile;
1894int nfile;
1895static void buopen(int mcd, u8 *ptr, u8 *cfg)
1896{
1897 int i;
1898 u8 *fptr = ptr;
1899
1900 strcpy(FDesc[1 + mcd].name, Ra0+5);
1901 FDesc[1 + mcd].offset = 0;
1902 FDesc[1 + mcd].mode = a1;
1903
1904 for (i=1; i<16; i++) {
1905 fptr += 128;
1906 if ((*fptr & 0xF0) != 0x50) continue;
1907 if (strcmp(FDesc[1 + mcd].name, fptr+0xa)) continue;
1908 FDesc[1 + mcd].mcfile = i;
1909 SysPrintf("open %s\n", fptr+0xa);
1910 v0 = 1 + mcd;
1911 break;
1912 }
1913 if (a1 & 0x200 && v0 == -1) { /* FCREAT */
1914 fptr = ptr;
1915 for (i=1; i<16; i++) {
1916 int j, xor, nblk = a1 >> 16;
1917 u8 *pptr, *fptr2;
1918
1919 fptr += 128;
1920 if ((*fptr & 0xF0) != 0xa0) continue;
1921
1922 FDesc[1 + mcd].mcfile = i;
1923 fptr[0] = 0x51;
1924 fptr[4] = 0x00;
1925 fptr[5] = 0x20 * nblk;
1926 fptr[6] = 0x00;
1927 fptr[7] = 0x00;
1928 strcpy(fptr+0xa, FDesc[1 + mcd].name);
1929 pptr = fptr2 = fptr;
1930 for(j=2; j<=nblk; j++) {
1931 int k;
1932 for(i++; i<16; i++) {
1933 fptr2 += 128;
1934
1935 memset(fptr2, 0, 128);
1936 fptr2[0] = j < nblk ? 0x52 : 0x53;
1937 pptr[8] = i - 1;
1938 pptr[9] = 0;
1939 for (k=0, xor=0; k<127; k++) xor^= pptr[k];
1940 pptr[127] = xor;
1941 pptr = fptr2;
1942 break;
1943 }
1944 /* shouldn't this return ENOSPC if i == 16? */
1945 }
1946 pptr[8] = pptr[9] = 0xff;
1947 for (j=0, xor=0; j<127; j++) xor^= pptr[j];
1948 pptr[127] = xor;
1949 SysPrintf("openC %s %d\n", ptr, nblk);
1950 v0 = 1 + mcd;
1951 /* just go ahead and resave them all */
1952 SaveMcd(cfg, ptr, 128, 128 * 15);
1953 break;
1954 }
1955 /* shouldn't this return ENOSPC if i == 16? */
1956 }
ef79bbde
P		 1957}
1958
1959/*
1960 * int open(char *name , int mode);
1961 */
1962
1963void psxBios_open() { // 0x32
1964 int i;
1965 char *ptr;
02949f79 1966 void *pa0 = Ra0;
ef79bbde
P		 1967
1968#ifdef PSXBIOS_LOG
1969 PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
1970#endif
1971
1972 v0 = -1;
1973
02949f79 1974 if (pa0) {
1975 if (!strncmp(pa0, "bu00", 4)) {
595a136b 1976 buopen(1, Mcd1Data, Config.Mcd1);
02949f79 1977 }
ef79bbde 1978
02949f79 1979 if (!strncmp(pa0, "bu10", 4)) {
595a136b 1980 buopen(2, Mcd2Data, Config.Mcd2);
02949f79 1981 }
ef79bbde
P		 1982 }
1983
1984 pc0 = ra;
1985}
1986
1987/*
1988 * int lseek(int fd , int offset , int whence);
1989 */
1990
1991void psxBios_lseek() { // 0x33
1992#ifdef PSXBIOS_LOG
1993 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
1994#endif
1995
1996 switch (a2) {
1997 case 0: // SEEK_SET
1998 FDesc[a0].offset = a1;
1999 v0 = a1;
2000// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2001// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2002 break;
2003
2004 case 1: // SEEK_CUR
2005 FDesc[a0].offset+= a1;
2006 v0 = FDesc[a0].offset;
2007 break;
2008 }
2009
2010 pc0 = ra;
2011}
2012
595a136b 2013
ef79bbde
P		 2014/*
2015 * int read(int fd , void *buf , int nbytes);
2016 */
2017
2018void psxBios_read() { // 0x34
2019 char *ptr;
02949f79 2020 void *pa1 = Ra1;
ef79bbde
P		 2021
2022#ifdef PSXBIOS_LOG
2023 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
2024#endif
2025
2026 v0 = -1;
2027
02949f79 2028 if (pa1) {
2029 switch (a0) {
595a136b 2030 case 2: buread(pa1, 1, a2); break;
2031 case 3: buread(pa1, 2, a2); break;
02949f79 2032 }
ef79bbde
P		 2033 }
2034
2035 pc0 = ra;
2036}
2037
ef79bbde
P		 2038/*
2039 * int write(int fd , void *buf , int nbytes);
2040 */
2041
2042void psxBios_write() { // 0x35/0x03
2043 char *ptr;
02949f79 2044 void *pa1 = Ra1;
2045
2046#ifdef PSXBIOS_LOG
2047 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
2048#endif
2049
2050 v0 = -1;
2051 if (!pa1) {
2052 pc0 = ra;
2053 return;
2054 }
ef79bbde
P		 2055
2056 if (a0 == 1) { // stdout
02949f79 2057 char *ptr = pa1;
ef79bbde 2058
02949f79 2059 v0 = a2;
ef79bbde
P		 2060 while (a2 > 0) {
2061 SysPrintf("%c", *ptr++); a2--;
2062 }
2063 pc0 = ra; return;
2064 }
ef79bbde
P		 2065
2066 switch (a0) {
595a136b 2067 case 2: buwrite(pa1, 1, a2); break;
2068 case 3: buwrite(pa1, 2, a2); break;
ef79bbde
P		 2069 }
2070
2071 pc0 = ra;
2072}
2073
2074/*
2075 * int close(int fd);
2076 */
2077
2078void psxBios_close() { // 0x36
2079#ifdef PSXBIOS_LOG
2080 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
2081#endif
2082
2083 v0 = a0;
2084 pc0 = ra;
2085}
2086
2087void psxBios_putchar() { // 3d
2088 SysPrintf("%c", (char)a0);
2089 pc0 = ra;
2090}
2091
2092void psxBios_puts() { // 3e/3f
808a13bd 2093 SysPrintf("%s", Ra0);
ef79bbde
P		 2094 pc0 = ra;
2095}
2096
2097char ffile[64], *pfile;
2098int nfile;
2099
2100#define bufile(mcd) { \
2101 while (nfile < 16) { \
2102 int match=1; \
2103 \
595a136b 2104 ptr = Mcd##mcd##Data + 128 * (nfile + 1); \
ef79bbde
P		 2105 nfile++; \
2106 if ((*ptr & 0xF0) != 0x50) continue; \
595a136b 2107 /* Bug link files show up as free block. */ \
2108 if (!ptr[0xa]) continue; \
ef79bbde
P		 2109 ptr+= 0xa; \
2110 if (pfile[0] == 0) { \
507d7c1d 2111 strncpy(dir->name, ptr, sizeof(dir->name)); \
2112 dir->name[sizeof(dir->name) - 1] = '\0'; \
ef79bbde
P		 2113 } else for (i=0; i<20; i++) { \
2114 if (pfile[i] == ptr[i]) { \
595a136b 2115 dir->name[i] = ptr[i]; continue; } \
ef79bbde
P		 2116 if (pfile[i] == '?') { \
2117 dir->name[i] = ptr[i]; continue; } \
2118 if (pfile[i] == '*') { \
2119 strcpy(dir->name+i, ptr+i); break; } \
2120 match = 0; break; \
2121 } \
2122 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
595a136b 2123 if (match == 0) { continue; } \
ef79bbde
P		 2124 dir->size = 8192; \
2125 v0 = _dir; \
2126 break; \
2127 } \
2128}
2129
2130/*
2131 * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
2132 */
2133
2134void psxBios_firstfile() { // 42
2135 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
02949f79 2136 void *pa0 = Ra0;
ef79bbde
P		 2137 u32 _dir = a1;
2138 char *ptr;
2139 int i;
2140
2141#ifdef PSXBIOS_LOG
2142 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
2143#endif
2144
2145 v0 = 0;
2146
02949f79 2147 if (pa0) {
2148 strcpy(ffile, pa0);
2149 pfile = ffile+5;
2150 nfile = 1;
2151 if (!strncmp(pa0, "bu00", 4)) {
857fabea 2152 // firstfile() calls _card_read() internally, so deliver it's event
2153 DeliverEvent(0x11, 0x2);
02949f79 2154 bufile(1);
2155 } else if (!strncmp(pa0, "bu10", 4)) {
857fabea 2156 // firstfile() calls _card_read() internally, so deliver it's event
2157 DeliverEvent(0x11, 0x2);
02949f79 2158 bufile(2);
2159 }
ef79bbde
P		 2160 }
2161
2162 pc0 = ra;
2163}
2164
2165/*
2166 * struct DIRENTRY* nextfile(struct DIRENTRY *dir);
2167 */
2168
2169void psxBios_nextfile() { // 43
2170 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
2171 u32 _dir = a0;
2172 char *ptr;
2173 int i;
2174
2175#ifdef PSXBIOS_LOG
2176 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
2177#endif
2178
2179 v0 = 0;
2180
2181 if (!strncmp(ffile, "bu00", 4)) {
2182 bufile(1);
2183 }
2184
2185 if (!strncmp(ffile, "bu10", 4)) {
2186 bufile(2);
2187 }
2188
2189 pc0 = ra;
2190}
2191
2192#define burename(mcd) { \
2193 for (i=1; i<16; i++) { \
2194 int namelen, j, xor = 0; \
2195 ptr = Mcd##mcd##Data + 128 * i; \
2196 if ((*ptr & 0xF0) != 0x50) continue; \
2197 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2198 namelen = strlen(Ra1+5); \
2199 memcpy(ptr+0xa, Ra1+5, namelen); \
2200 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
2201 for (j=0; j<127; j++) xor^= ptr[j]; \
2202 ptr[127] = xor; \
2203 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
2204 v0 = 1; \
2205 break; \
2206 } \
2207}
2208
2209/*
2210 * int rename(char *old, char *new);
2211 */
2212
2213void psxBios_rename() { // 44
02949f79 2214 void *pa0 = Ra0;
2215 void *pa1 = Ra1;
ef79bbde
P		 2216 char *ptr;
2217 int i;
2218
2219#ifdef PSXBIOS_LOG
2220 PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
2221#endif
2222
2223 v0 = 0;
2224
02949f79 2225 if (pa0 && pa1) {
2226 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
2227 burename(1);
2228 }
ef79bbde 2229
02949f79 2230 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
2231 burename(2);
2232 }
ef79bbde
P		 2233 }
2234
2235 pc0 = ra;
2236}
2237
2238
2239#define budelete(mcd) { \
2240 for (i=1; i<16; i++) { \
2241 ptr = Mcd##mcd##Data + 128 * i; \
2242 if ((*ptr & 0xF0) != 0x50) continue; \
2243 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2244 *ptr = (*ptr & 0xf) | 0xA0; \
2245 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
2246 SysPrintf("delete %s\n", ptr+0xa); \
2247 v0 = 1; \
2248 break; \
2249 } \
2250}
2251
2252/*
2253 * int delete(char *name);
2254 */
2255
2256void psxBios_delete() { // 45
02949f79 2257 void *pa0 = Ra0;
ef79bbde
P		 2258 char *ptr;
2259 int i;
2260
2261#ifdef PSXBIOS_LOG
2262 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2263#endif
2264
2265 v0 = 0;
2266
02949f79 2267 if (pa0) {
2268 if (!strncmp(pa0, "bu00", 4)) {
2269 budelete(1);
2270 }
ef79bbde 2271
02949f79 2272 if (!strncmp(pa0, "bu10", 4)) {
2273 budelete(2);
2274 }
ef79bbde
P		 2275 }
2276
2277 pc0 = ra;
2278}
2279
2280void psxBios_InitCARD() { // 4a
2281#ifdef PSXBIOS_LOG
2282 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2283#endif
2284
2285 CardState = 0;
2286
2287 pc0 = ra;
2288}
2289
2290void psxBios_StartCARD() { // 4b
2291#ifdef PSXBIOS_LOG
2292 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2293#endif
2294
2295 if (CardState == 0) CardState = 1;
2296
2297 pc0 = ra;
2298}
2299
2300void psxBios_StopCARD() { // 4c
2301#ifdef PSXBIOS_LOG
2302 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2303#endif
2304
2305 if (CardState == 1) CardState = 0;
2306
2307 pc0 = ra;
2308}
2309
2310void psxBios__card_write() { // 0x4e
02949f79 2311 void *pa2 = Ra2;
ef79bbde
P		 2312 int port;
2313
2314#ifdef PSXBIOS_LOG
2315 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2316#endif
bd48ba5e 2317 /* Function also accepts sector 400h (a bug) */
2318 if (!(a1 <= 0x400))
2319 {
2320 /* Invalid sectors */
2321 v0 = 0; pc0 = ra;
2322 return;
2323 }
e9fda093 2324 card_active_chan = a0;
ef79bbde
P		 2325 port = a0 >> 4;
2326
02949f79 2327 if (pa2) {
2328 if (port == 0) {
2329 memcpy(Mcd1Data + a1 * 128, pa2, 128);
2330 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2331 } else {
2332 memcpy(Mcd2Data + a1 * 128, pa2, 128);
2333 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2334 }
ef79bbde
P		 2335 }
2336
2337 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2338// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2339
2340 v0 = 1; pc0 = ra;
2341}
2342
2343void psxBios__card_read() { // 0x4f
02949f79 2344 void *pa2 = Ra2;
ef79bbde
P		 2345 int port;
2346
2347#ifdef PSXBIOS_LOG
2348 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2349#endif
bd48ba5e 2350 /* Function also accepts sector 400h (a bug) */
2351 if (!(a1 <= 0x400))
2352 {
2353 /* Invalid sectors */
2354 v0 = 0; pc0 = ra;
2355 return;
2356 }
e9fda093 2357 card_active_chan = a0;
ef79bbde
P		 2358 port = a0 >> 4;
2359
02949f79 2360 if (pa2) {
2361 if (port == 0) {
2362 memcpy(pa2, Mcd1Data + a1 * 128, 128);
2363 } else {
2364 memcpy(pa2, Mcd2Data + a1 * 128, 128);
2365 }
ef79bbde
P		 2366 }
2367
2368 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2369// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2370
2371 v0 = 1; pc0 = ra;
2372}
2373
2374void psxBios__new_card() { // 0x50
2375#ifdef PSXBIOS_LOG
2376 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2377#endif
2378
2379 pc0 = ra;
2380}
2381
2382void psxBios_Krom2RawAdd() { // 0x51
2383 int i = 0;
2384
2385 const u32 table_8140[][2] = {
2386 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2387 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2388 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2389 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2390 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2391 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2392 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2393 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2394 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2395 {0xffff, 0}
2396 };
2397
2398 const u32 table_889f[][2] = {
2399 {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4},
2400 {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304},
2401 {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14},
2402 {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24},
2403 {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734},
2404 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2405 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2406 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2407 {0xffff, 0}
2408 };
2409
2410 if (a0 >= 0x8140 && a0 <= 0x84be) {
2411 while (table_8140[i][0] <= a0) i++;
2412 a0 -= table_8140[i - 1][0];
2413 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2414 } else if (a0 >= 0x889f && a0 <= 0x9872) {
2415 while (table_889f[i][0] <= a0) i++;
2416 a0 -= table_889f[i - 1][0];
2417 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2418 } else {
2419 v0 = 0xffffffff;
2420 }
2421
2422 pc0 = ra;
2423}
2424
2425void psxBios_GetC0Table() { // 56
2426#ifdef PSXBIOS_LOG
2427 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2428#endif
2429
2430 v0 = 0x674; pc0 = ra;
2431}
2432
2433void psxBios_GetB0Table() { // 57
2434#ifdef PSXBIOS_LOG
2435 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2436#endif
2437
2438 v0 = 0x874; pc0 = ra;
2439}
2440
e9fda093 2441void psxBios__card_chan() { // 0x58
2442#ifdef PSXBIOS_LOG
2443 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2444#endif
2445
2446 v0 = card_active_chan;
2447 pc0 = ra;
2448}
2449
ef79bbde
P		 2450void psxBios_ChangeClearPad() { // 5b
2451#ifdef PSXBIOS_LOG
2452 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2453#endif
2454
2455 pc0 = ra;
2456}
2457
2458/* System calls C0 */
2459
2460/*
2461 * int SysEnqIntRP(int index , long *queue);
2462 */
2463
2464void psxBios_SysEnqIntRP() { // 02
2465#ifdef PSXBIOS_LOG
2466 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2467#endif
2468
2469 SysIntRP[a0] = a1;
2470
2471 v0 = 0; pc0 = ra;
2472}
2473
2474/*
2475 * int SysDeqIntRP(int index , long *queue);
2476 */
2477
2478void psxBios_SysDeqIntRP() { // 03
2479#ifdef PSXBIOS_LOG
2480 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2481#endif
2482
2483 SysIntRP[a0] = 0;
2484
2485 v0 = 0; pc0 = ra;
2486}
2487
2488void psxBios_ChangeClearRCnt() { // 0a
2489 u32 *ptr;
2490
2491#ifdef PSXBIOS_LOG
2492 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2493#endif
2494
2495 ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2496 v0 = *ptr;
2497 *ptr = a1;
2498
2499// psxRegs.CP0.n.Status|= 0x404;
2500 pc0 = ra;
2501}
2502
2503void psxBios_dummy() {
2504#ifdef PSXBIOS_LOG
2505 PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2506#endif
2507 pc0 = ra;
2508}
2509
2510void (*biosA0[256])();
2511void (*biosB0[256])();
2512void (*biosC0[256])();
2513
2514#include "sjisfont.h"
2515
2516void psxBiosInit() {
2517 u32 base, size;
2518 u32 *ptr;
2519 int i;
2520 uLongf len;
2521
2522 for(i = 0; i < 256; i++) {
2523 biosA0[i] = NULL;
2524 biosB0[i] = NULL;
2525 biosC0[i] = NULL;
2526 }
2527 biosA0[0x3e] = psxBios_puts;
2528 biosA0[0x3f] = psxBios_printf;
2529
2530 biosB0[0x3d] = psxBios_putchar;
2531 biosB0[0x3f] = psxBios_puts;
2532
2533 if (!Config.HLE) return;
2534
2535 for(i = 0; i < 256; i++) {
2536 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2537 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2538 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2539 }
2540
2541 biosA0[0x00] = psxBios_open;
2542 biosA0[0x01] = psxBios_lseek;
2543 biosA0[0x02] = psxBios_read;
2544 biosA0[0x03] = psxBios_write;
2545 biosA0[0x04] = psxBios_close;
2546 //biosA0[0x05] = psxBios_ioctl;
2547 //biosA0[0x06] = psxBios_exit;
2548 //biosA0[0x07] = psxBios_sys_a0_07;
324cec89 2549 biosA0[0x08] = psxBios_getc;
2550 biosA0[0x09] = psxBios_putc;
ba11675c 2551 biosA0[0x0a] = psxBios_todigit;
ef79bbde
P		 2552 //biosA0[0x0b] = psxBios_atof;
2553 //biosA0[0x0c] = psxBios_strtoul;
2554 //biosA0[0x0d] = psxBios_strtol;
2555 biosA0[0x0e] = psxBios_abs;
2556 biosA0[0x0f] = psxBios_labs;
2557 biosA0[0x10] = psxBios_atoi;
2558 biosA0[0x11] = psxBios_atol;
2559 //biosA0[0x12] = psxBios_atob;
2560 biosA0[0x13] = psxBios_setjmp;
2561 biosA0[0x14] = psxBios_longjmp;
2562 biosA0[0x15] = psxBios_strcat;
2563 biosA0[0x16] = psxBios_strncat;
2564 biosA0[0x17] = psxBios_strcmp;
2565 biosA0[0x18] = psxBios_strncmp;
2566 biosA0[0x19] = psxBios_strcpy;
2567 biosA0[0x1a] = psxBios_strncpy;
2568 biosA0[0x1b] = psxBios_strlen;
2569 biosA0[0x1c] = psxBios_index;
2570 biosA0[0x1d] = psxBios_rindex;
2571 biosA0[0x1e] = psxBios_strchr;
2572 biosA0[0x1f] = psxBios_strrchr;
2573 biosA0[0x20] = psxBios_strpbrk;
2574 biosA0[0x21] = psxBios_strspn;
2575 biosA0[0x22] = psxBios_strcspn;
2576 biosA0[0x23] = psxBios_strtok;
2577 biosA0[0x24] = psxBios_strstr;
2578 biosA0[0x25] = psxBios_toupper;
2579 biosA0[0x26] = psxBios_tolower;
2580 biosA0[0x27] = psxBios_bcopy;
2581 biosA0[0x28] = psxBios_bzero;
2582 biosA0[0x29] = psxBios_bcmp;
2583 biosA0[0x2a] = psxBios_memcpy;
2584 biosA0[0x2b] = psxBios_memset;
2585 biosA0[0x2c] = psxBios_memmove;
2586 biosA0[0x2d] = psxBios_memcmp;
2587 biosA0[0x2e] = psxBios_memchr;
2588 biosA0[0x2f] = psxBios_rand;
2589 biosA0[0x30] = psxBios_srand;
2590 biosA0[0x31] = psxBios_qsort;
2591 //biosA0[0x32] = psxBios_strtod;
2592 biosA0[0x33] = psxBios_malloc;
2593 biosA0[0x34] = psxBios_free;
2594 //biosA0[0x35] = psxBios_lsearch;
2595 //biosA0[0x36] = psxBios_bsearch;
2596 biosA0[0x37] = psxBios_calloc;
2597 biosA0[0x38] = psxBios_realloc;
2598 biosA0[0x39] = psxBios_InitHeap;
2599 //biosA0[0x3a] = psxBios__exit;
2600 biosA0[0x3b] = psxBios_getchar;
2601 biosA0[0x3c] = psxBios_putchar;
2602 //biosA0[0x3d] = psxBios_gets;
2603 //biosA0[0x40] = psxBios_sys_a0_40;
2604 //biosA0[0x41] = psxBios_LoadTest;
2605 biosA0[0x42] = psxBios_Load;
2606 biosA0[0x43] = psxBios_Exec;
2607 biosA0[0x44] = psxBios_FlushCache;
2608 //biosA0[0x45] = psxBios_InstallInterruptHandler;
2609 biosA0[0x46] = psxBios_GPU_dw;
2610 biosA0[0x47] = psxBios_mem2vram;
2611 biosA0[0x48] = psxBios_SendGPU;
2612 biosA0[0x49] = psxBios_GPU_cw;
2613 biosA0[0x4a] = psxBios_GPU_cwb;
2614 biosA0[0x4b] = psxBios_GPU_SendPackets;
2615 biosA0[0x4c] = psxBios_sys_a0_4c;
2616 biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2617 //biosA0[0x4e] = psxBios_GPU_sync;
2618 //biosA0[0x4f] = psxBios_sys_a0_4f;
2619 //biosA0[0x50] = psxBios_sys_a0_50;
2620 biosA0[0x51] = psxBios_LoadExec;
2621 //biosA0[0x52] = psxBios_GetSysSp;
2622 //biosA0[0x53] = psxBios_sys_a0_53;
2623 //biosA0[0x54] = psxBios__96_init_a54;
2624 //biosA0[0x55] = psxBios__bu_init_a55;
2625 //biosA0[0x56] = psxBios__96_remove_a56;
2626 //biosA0[0x57] = psxBios_sys_a0_57;
2627 //biosA0[0x58] = psxBios_sys_a0_58;
2628 //biosA0[0x59] = psxBios_sys_a0_59;
2629 //biosA0[0x5a] = psxBios_sys_a0_5a;
2630 //biosA0[0x5b] = psxBios_dev_tty_init;
2631 //biosA0[0x5c] = psxBios_dev_tty_open;
2632 //biosA0[0x5d] = psxBios_sys_a0_5d;
2633 //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2634 //biosA0[0x5f] = psxBios_dev_cd_open;
2635 //biosA0[0x60] = psxBios_dev_cd_read;
2636 //biosA0[0x61] = psxBios_dev_cd_close;
2637 //biosA0[0x62] = psxBios_dev_cd_firstfile;
2638 //biosA0[0x63] = psxBios_dev_cd_nextfile;
2639 //biosA0[0x64] = psxBios_dev_cd_chdir;
2640 //biosA0[0x65] = psxBios_dev_card_open;
2641 //biosA0[0x66] = psxBios_dev_card_read;
2642 //biosA0[0x67] = psxBios_dev_card_write;
2643 //biosA0[0x68] = psxBios_dev_card_close;
2644 //biosA0[0x69] = psxBios_dev_card_firstfile;
2645 //biosA0[0x6a] = psxBios_dev_card_nextfile;
2646 //biosA0[0x6b] = psxBios_dev_card_erase;
2647 //biosA0[0x6c] = psxBios_dev_card_undelete;
2648 //biosA0[0x6d] = psxBios_dev_card_format;
2649 //biosA0[0x6e] = psxBios_dev_card_rename;
2650 //biosA0[0x6f] = psxBios_dev_card_6f;
2651 biosA0[0x70] = psxBios__bu_init;
2652 biosA0[0x71] = psxBios__96_init;
2653 biosA0[0x72] = psxBios__96_remove;
2654 //biosA0[0x73] = psxBios_sys_a0_73;
2655 //biosA0[0x74] = psxBios_sys_a0_74;
2656 //biosA0[0x75] = psxBios_sys_a0_75;
2657 //biosA0[0x76] = psxBios_sys_a0_76;
2658 //biosA0[0x77] = psxBios_sys_a0_77;
2659 //biosA0[0x78] = psxBios__96_CdSeekL;
2660 //biosA0[0x79] = psxBios_sys_a0_79;
2661 //biosA0[0x7a] = psxBios_sys_a0_7a;
2662 //biosA0[0x7b] = psxBios_sys_a0_7b;
2663 //biosA0[0x7c] = psxBios__96_CdGetStatus;
2664 //biosA0[0x7d] = psxBios_sys_a0_7d;
2665 //biosA0[0x7e] = psxBios__96_CdRead;
2666 //biosA0[0x7f] = psxBios_sys_a0_7f;
2667 //biosA0[0x80] = psxBios_sys_a0_80;
2668 //biosA0[0x81] = psxBios_sys_a0_81;
2669 //biosA0[0x82] = psxBios_sys_a0_82;
2670 //biosA0[0x83] = psxBios_sys_a0_83;
2671 //biosA0[0x84] = psxBios_sys_a0_84;
2672 //biosA0[0x85] = psxBios__96_CdStop;
2673 //biosA0[0x86] = psxBios_sys_a0_86;
2674 //biosA0[0x87] = psxBios_sys_a0_87;
2675 //biosA0[0x88] = psxBios_sys_a0_88;
2676 //biosA0[0x89] = psxBios_sys_a0_89;
2677 //biosA0[0x8a] = psxBios_sys_a0_8a;
2678 //biosA0[0x8b] = psxBios_sys_a0_8b;
2679 //biosA0[0x8c] = psxBios_sys_a0_8c;
2680 //biosA0[0x8d] = psxBios_sys_a0_8d;
2681 //biosA0[0x8e] = psxBios_sys_a0_8e;
2682 //biosA0[0x8f] = psxBios_sys_a0_8f;
2683 //biosA0[0x90] = psxBios_sys_a0_90;
2684 //biosA0[0x91] = psxBios_sys_a0_91;
2685 //biosA0[0x92] = psxBios_sys_a0_92;
2686 //biosA0[0x93] = psxBios_sys_a0_93;
2687 //biosA0[0x94] = psxBios_sys_a0_94;
2688 //biosA0[0x95] = psxBios_sys_a0_95;
2689 //biosA0[0x96] = psxBios_AddCDROMDevice;
2690 //biosA0[0x97] = psxBios_AddMemCardDevide;
2691 //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2692 //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2693 //biosA0[0x9a] = psxBios_sys_a0_9a;
2694 //biosA0[0x9b] = psxBios_sys_a0_9b;
2695 //biosA0[0x9c] = psxBios_SetConf;
2696 //biosA0[0x9d] = psxBios_GetConf;
2697 //biosA0[0x9e] = psxBios_sys_a0_9e;
2698 biosA0[0x9f] = psxBios_SetMem;
2699 //biosA0[0xa0] = psxBios__boot;
2700 //biosA0[0xa1] = psxBios_SystemError;
2701 //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2702 //biosA0[0xa3] = psxBios_DequeueCdIntr;
2703 //biosA0[0xa4] = psxBios_sys_a0_a4;
2704 //biosA0[0xa5] = psxBios_ReadSector;
2705 //biosA0[0xa6] = psxBios_get_cd_status;
2706 //biosA0[0xa7] = psxBios_bufs_cb_0;
2707 //biosA0[0xa8] = psxBios_bufs_cb_1;
2708 //biosA0[0xa9] = psxBios_bufs_cb_2;
2709 //biosA0[0xaa] = psxBios_bufs_cb_3;
2710 biosA0[0xab] = psxBios__card_info;
2711 biosA0[0xac] = psxBios__card_load;
2712 //biosA0[0axd] = psxBios__card_auto;
2713 //biosA0[0xae] = psxBios_bufs_cd_4;
2714 //biosA0[0xaf] = psxBios_sys_a0_af;
2715 //biosA0[0xb0] = psxBios_sys_a0_b0;
2716 //biosA0[0xb1] = psxBios_sys_a0_b1;
2717 //biosA0[0xb2] = psxBios_do_a_long_jmp
2718 //biosA0[0xb3] = psxBios_sys_a0_b3;
2719 //biosA0[0xb4] = psxBios_sub_function;
2720//*******************B0 CALLS****************************
2721 //biosB0[0x00] = psxBios_SysMalloc;
2722 //biosB0[0x01] = psxBios_sys_b0_01;
2723 biosB0[0x02] = psxBios_SetRCnt;
2724 biosB0[0x03] = psxBios_GetRCnt;
2725 biosB0[0x04] = psxBios_StartRCnt;
2726 biosB0[0x05] = psxBios_StopRCnt;
2727 biosB0[0x06] = psxBios_ResetRCnt;
2728 biosB0[0x07] = psxBios_DeliverEvent;
2729 biosB0[0x08] = psxBios_OpenEvent;
2730 biosB0[0x09] = psxBios_CloseEvent;
2731 biosB0[0x0a] = psxBios_WaitEvent;
2732 biosB0[0x0b] = psxBios_TestEvent;
2733 biosB0[0x0c] = psxBios_EnableEvent;
2734 biosB0[0x0d] = psxBios_DisableEvent;
2735 biosB0[0x0e] = psxBios_OpenTh;
2736 biosB0[0x0f] = psxBios_CloseTh;
2737 biosB0[0x10] = psxBios_ChangeTh;
2738 //biosB0[0x11] = psxBios_psxBios_b0_11;
2739 biosB0[0x12] = psxBios_InitPAD;
2740 biosB0[0x13] = psxBios_StartPAD;
2741 biosB0[0x14] = psxBios_StopPAD;
2742 biosB0[0x15] = psxBios_PAD_init;
2743 biosB0[0x16] = psxBios_PAD_dr;
2744 biosB0[0x17] = psxBios_ReturnFromException;
2745 biosB0[0x18] = psxBios_ResetEntryInt;
2746 biosB0[0x19] = psxBios_HookEntryInt;
2747 //biosB0[0x1a] = psxBios_sys_b0_1a;
2748 //biosB0[0x1b] = psxBios_sys_b0_1b;
2749 //biosB0[0x1c] = psxBios_sys_b0_1c;
2750 //biosB0[0x1d] = psxBios_sys_b0_1d;
2751 //biosB0[0x1e] = psxBios_sys_b0_1e;
2752 //biosB0[0x1f] = psxBios_sys_b0_1f;
2753 biosB0[0x20] = psxBios_UnDeliverEvent;
2754 //biosB0[0x21] = psxBios_sys_b0_21;
2755 //biosB0[0x22] = psxBios_sys_b0_22;
2756 //biosB0[0x23] = psxBios_sys_b0_23;
2757 //biosB0[0x24] = psxBios_sys_b0_24;
2758 //biosB0[0x25] = psxBios_sys_b0_25;
2759 //biosB0[0x26] = psxBios_sys_b0_26;
2760 //biosB0[0x27] = psxBios_sys_b0_27;
2761 //biosB0[0x28] = psxBios_sys_b0_28;
2762 //biosB0[0x29] = psxBios_sys_b0_29;
2763 //biosB0[0x2a] = psxBios_sys_b0_2a;
2764 //biosB0[0x2b] = psxBios_sys_b0_2b;
2765 //biosB0[0x2c] = psxBios_sys_b0_2c;
2766 //biosB0[0x2d] = psxBios_sys_b0_2d;
2767 //biosB0[0x2e] = psxBios_sys_b0_2e;
2768 //biosB0[0x2f] = psxBios_sys_b0_2f;
2769 //biosB0[0x30] = psxBios_sys_b0_30;
2770 //biosB0[0x31] = psxBios_sys_b0_31;
2771 biosB0[0x32] = psxBios_open;
2772 biosB0[0x33] = psxBios_lseek;
2773 biosB0[0x34] = psxBios_read;
2774 biosB0[0x35] = psxBios_write;
2775 biosB0[0x36] = psxBios_close;
2776 //biosB0[0x37] = psxBios_ioctl;
2777 //biosB0[0x38] = psxBios_exit;
2778 //biosB0[0x39] = psxBios_sys_b0_39;
2779 //biosB0[0x3a] = psxBios_getc;
2780 //biosB0[0x3b] = psxBios_putc;
2781 biosB0[0x3c] = psxBios_getchar;
2782 //biosB0[0x3e] = psxBios_gets;
2783 //biosB0[0x40] = psxBios_cd;
e7e1f572 2784 biosB0[0x41] = psxBios_format;
ef79bbde
P		 2785 biosB0[0x42] = psxBios_firstfile;
2786 biosB0[0x43] = psxBios_nextfile;
2787 biosB0[0x44] = psxBios_rename;
2788 biosB0[0x45] = psxBios_delete;
2789 //biosB0[0x46] = psxBios_undelete;
2790 //biosB0[0x47] = psxBios_AddDevice;
2791 //biosB0[0x48] = psxBios_RemoteDevice;
2792 //biosB0[0x49] = psxBios_PrintInstalledDevices;
2793 biosB0[0x4a] = psxBios_InitCARD;
2794 biosB0[0x4b] = psxBios_StartCARD;
2795 biosB0[0x4c] = psxBios_StopCARD;
2796 //biosB0[0x4d] = psxBios_sys_b0_4d;
2797 biosB0[0x4e] = psxBios__card_write;
2798 biosB0[0x4f] = psxBios__card_read;
2799 biosB0[0x50] = psxBios__new_card;
2800 biosB0[0x51] = psxBios_Krom2RawAdd;
2801 //biosB0[0x52] = psxBios_sys_b0_52;
2802 //biosB0[0x53] = psxBios_sys_b0_53;
2803 //biosB0[0x54] = psxBios__get_errno;
2804 //biosB0[0x55] = psxBios__get_error;
2805 biosB0[0x56] = psxBios_GetC0Table;
2806 biosB0[0x57] = psxBios_GetB0Table;
e9fda093 2807 biosB0[0x58] = psxBios__card_chan;
ef79bbde
P		 2808 //biosB0[0x59] = psxBios_sys_b0_59;
2809 //biosB0[0x5a] = psxBios_sys_b0_5a;
2810 biosB0[0x5b] = psxBios_ChangeClearPad;
2811 //biosB0[0x5c] = psxBios__card_status;
2812 //biosB0[0x5d] = psxBios__card_wait;
2813//*******************C0 CALLS****************************
2814 //biosC0[0x00] = psxBios_InitRCnt;
2815 //biosC0[0x01] = psxBios_InitException;
2816 biosC0[0x02] = psxBios_SysEnqIntRP;
2817 biosC0[0x03] = psxBios_SysDeqIntRP;
2818 //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2819 //biosC0[0x05] = psxBios_get_free_TCB_slot;
2820 //biosC0[0x06] = psxBios_ExceptionHandler;
2821 //biosC0[0x07] = psxBios_InstallExeptionHandler;
2822 //biosC0[0x08] = psxBios_SysInitMemory;
2823 //biosC0[0x09] = psxBios_SysInitKMem;
2824 biosC0[0x0a] = psxBios_ChangeClearRCnt;
2825 //biosC0[0x0b] = psxBios_SystemError;
2826 //biosC0[0x0c] = psxBios_InitDefInt;
2827 //biosC0[0x0d] = psxBios_sys_c0_0d;
2828 //biosC0[0x0e] = psxBios_sys_c0_0e;
2829 //biosC0[0x0f] = psxBios_sys_c0_0f;
2830 //biosC0[0x10] = psxBios_sys_c0_10;
2831 //biosC0[0x11] = psxBios_sys_c0_11;
2832 //biosC0[0x12] = psxBios_InstallDevices;
2833 //biosC0[0x13] = psxBios_FlushStfInOutPut;
2834 //biosC0[0x14] = psxBios_sys_c0_14;
2835 //biosC0[0x15] = psxBios__cdevinput;
2836 //biosC0[0x16] = psxBios__cdevscan;
2837 //biosC0[0x17] = psxBios__circgetc;
2838 //biosC0[0x18] = psxBios__circputc;
2839 //biosC0[0x19] = psxBios_ioabort;
2840 //biosC0[0x1a] = psxBios_sys_c0_1a
2841 //biosC0[0x1b] = psxBios_KernelRedirect;
2842 //biosC0[0x1c] = psxBios_PatchAOTable;
2843//************** THE END ***************************************
2844/**/
2845 base = 0x1000;
2846 size = sizeof(EvCB) * 32;
2847 Event = (void *)&psxR[base]; base += size * 6;
2848 memset(Event, 0, size * 6);
2849 HwEV = Event;
2850 EvEV = Event + 32;
2851 RcEV = Event + 32 * 2;
2852 UeEV = Event + 32 * 3;
2853 SwEV = Event + 32 * 4;
2854 ThEV = Event + 32 * 5;
2855
2856 ptr = (u32 *)&psxM[0x0874]; // b0 table
2857 ptr[0] = SWAPu32(0x4c54 - 0x884);
2858
2859 ptr = (u32 *)&psxM[0x0674]; // c0 table
2860 ptr[6] = SWAPu32(0xc80);
2861
2862 memset(SysIntRP, 0, sizeof(SysIntRP));
2863 memset(Thread, 0, sizeof(Thread));
2864 Thread[0].status = 2; // main thread
2865
c62b43c9 2866 jmp_int = NULL;
2867 pad_buf = NULL;
2868 pad_buf1 = NULL;
2869 pad_buf2 = NULL;
2870 pad_buf1len = pad_buf2len = 0;
2871 heap_addr = NULL;
2872 heap_end = NULL;
2873 CardState = -1;
2874 CurThread = 0;
2875 memset(FDesc, 0, sizeof(FDesc));
2876
ef79bbde
P		 2877 psxMu32ref(0x0150) = SWAPu32(0x160);
2878 psxMu32ref(0x0154) = SWAPu32(0x320);
2879 psxMu32ref(0x0160) = SWAPu32(0x248);
2880 strcpy((char *)&psxM[0x248], "bu");
2881/* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
2882 psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
2883 psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
2884 psxMu32ref(0x09e0) = SWAPu32(0x43d0);
2885 psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
2886*/
2887 // opcode HLE
2888 psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
2889 psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
2890 psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
2891 psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
2892 psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
2893 psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
2894 psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
2895 psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
2896 psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
2897 psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
2898
2899 // initial stack pointer for BIOS interrupt
2900 psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
2901
2902 // initial RNG seed
2903 psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
2904
2905 // fonts
2906 len = 0x80000 - 0x66000;
2907 uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
2908 len = 0x80000 - 0x69d68;
2909 uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
2910
2911 // memory size 2 MB
2912 psxHu32ref(0x1060) = SWAPu32(0x00000b88);
2913
2914 hleSoftCall = FALSE;
2915}
2916
2917void psxBiosShutdown() {
2918}
2919
2920#define psxBios_PADpoll(pad) { \
2921 PAD##pad##_startPoll(pad); \
2922 pad_buf##pad[0] = 0; \
2923 pad_buf##pad[1] = PAD##pad##_poll(0x42); \
2924 if (!(pad_buf##pad[1] & 0x0f)) { \
2925 bufcount = 32; \
2926 } else { \
2927 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
2928 } \
2929 PAD##pad##_poll(0); \
2930 i = 2; \
2931 while (bufcount--) { \
2932 pad_buf##pad[i++] = PAD##pad##_poll(0); \
2933 } \
2934}
2935
2936void biosInterrupt() {
2937 int i, bufcount;
2938
2939// if (psxHu32(0x1070) & 0x1) { // Vsync
2940 if (pad_buf != NULL) {
2941 u32 *buf = (u32*)pad_buf;
2942
2943 if (!Config.UseNet) {
2944 PAD1_startPoll(1);
2945 if (PAD1_poll(0x42) == 0x23) {
2946 PAD1_poll(0);
2947 *buf = PAD1_poll(0) << 8;
2948 *buf |= PAD1_poll(0);
2949 PAD1_poll(0);
2950 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
2951 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
2952 } else {
2953 PAD1_poll(0);
2954 *buf = PAD1_poll(0) << 8;
2955 *buf|= PAD1_poll(0);
2956 }
2957
2958 PAD2_startPoll(2);
2959 if (PAD2_poll(0x42) == 0x23) {
2960 PAD2_poll(0);
2961 *buf |= PAD2_poll(0) << 24;
2962 *buf |= PAD2_poll(0) << 16;
2963 PAD2_poll(0);
2964 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
2965 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
2966 } else {
2967 PAD2_poll(0);
2968 *buf |= PAD2_poll(0) << 24;
2969 *buf |= PAD2_poll(0) << 16;
2970 }
2971 } else {
2972 u16 data;
2973
2974 PAD1_startPoll(1);
2975 PAD1_poll(0x42);
2976 PAD1_poll(0);
2977 data = PAD1_poll(0) << 8;
2978 data |= PAD1_poll(0);
2979
2980 if (NET_sendPadData(&data, 2) == -1)
2981 netError();
2982
2983 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
2984 netError();
2985 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
2986 netError();
2987 }
2988 }
2989 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
2990 psxBios_PADpoll(1);
2991
2992 if (NET_sendPadData(pad_buf1, i) == -1)
2993 netError();
2994
2995 if (NET_recvPadData(pad_buf1, 1) == -1)
2996 netError();
2997 if (NET_recvPadData(pad_buf2, 2) == -1)
2998 netError();
2999 } else {
3000 if (pad_buf1) {
3001 psxBios_PADpoll(1);
3002 }
3003
3004 if (pad_buf2) {
3005 psxBios_PADpoll(2);
3006 }
3007 }
3008
3009 if (psxHu32(0x1070) & 0x1) { // Vsync
3010 if (RcEV[3][1].status == EvStACTIVE) {
3011 softCall(RcEV[3][1].fhandler);
3012// hwWrite32(0x1f801070, ~(1));
3013 }
3014 }
3015
3016 if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
3017 int i;
3018
3019 for (i = 0; i < 3; i++) {
3020 if (psxHu32(0x1070) & (1 << (i + 4))) {
3021 if (RcEV[i][1].status == EvStACTIVE) {
3022 softCall(RcEV[i][1].fhandler);
3023 }
3024 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
3025 }
3026 }
3027 }
3028}
3029
3030void psxBiosException() {
3031 int i;
3032
3033 switch (psxRegs.CP0.n.Cause & 0x3c) {
3034 case 0x00: // Interrupt
3035#ifdef PSXCPU_LOG
3036// PSXCPU_LOG("interrupt\n");
3037#endif
3038 SaveRegs();
3039
3040 sp = psxMu32(0x6c80); // create new stack for interrupt handlers
3041
3042 biosInterrupt();
3043
3044 for (i = 0; i < 8; i++) {
3045 if (SysIntRP[i]) {
3046 u32 *queue = (u32 *)PSXM(SysIntRP[i]);
3047
3048 s0 = queue[2];
3049 softCall(queue[1]);
3050 }
3051 }
3052
3053 if (jmp_int != NULL) {
3054 int i;
3055
3056 psxHwWrite32(0x1f801070, 0xffffffff);
3057
3058 ra = jmp_int[0];
3059 sp = jmp_int[1];
3060 fp = jmp_int[2];
3061 for (i = 0; i < 8; i++) // s0-s7
3062 psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
3063 gp = jmp_int[11];
3064
3065 v0 = 1;
3066 pc0 = ra;
3067 return;
3068 }
3069 psxHwWrite16(0x1f801070, 0);
3070 break;
3071
3072 case 0x20: // Syscall
3073#ifdef PSXCPU_LOG
3074 PSXCPU_LOG("syscall exp %x\n", a0);
3075#endif
3076 switch (a0) {
3077 case 1: // EnterCritical - disable irq's
79dad1b3 3078 /* Fixes Medievil 2 not loading up new game, Digimon World not booting up and possibly others */
3079 v0 = (psxRegs.CP0.n.Status & 0x404) == 0x404;
3080 psxRegs.CP0.n.Status &= ~0x404;
ef79bbde
P		 3081 break;
3082
3083 case 2: // ExitCritical - enable irq's
3084 psxRegs.CP0.n.Status |= 0x404;
3085 break;
3086 }
3087 pc0 = psxRegs.CP0.n.EPC + 4;
3088
3089 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3090 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3091 return;
3092
3093 default:
3094#ifdef PSXCPU_LOG
3095 PSXCPU_LOG("unknown bios exception!\n");
3096#endif
3097 break;
3098 }
3099
3100 pc0 = psxRegs.CP0.n.EPC;
3101 if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
3102
3103 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3104 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3105}
3106
3107#define bfreeze(ptr, size) { \
3108 if (Mode == 1) memcpy(&psxR[base], ptr, size); \
3109 if (Mode == 0) memcpy(ptr, &psxR[base], size); \
3110 base += size; \
3111}
3112
3113#define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
3114#define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
3115
3116#define bfreezepsxMptr(ptr, type) { \
3117 if (Mode == 1) { \
3118 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
3119 else psxRu32ref(base) = 0; \
3120 } else { \
3121 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
3122 else (ptr) = NULL; \
3123 } \
3124 base += sizeof(u32); \
3125}
3126
3127void psxBiosFreeze(int Mode) {
3128 u32 base = 0x40000;
3129
3130 bfreezepsxMptr(jmp_int, u32);
3131 bfreezepsxMptr(pad_buf, int);
3132 bfreezepsxMptr(pad_buf1, char);
3133 bfreezepsxMptr(pad_buf2, char);
3134 bfreezepsxMptr(heap_addr, u32);
3135 bfreezel(&pad_buf1len);
3136 bfreezel(&pad_buf2len);
3137 bfreezes(regs);
3138 bfreezes(SysIntRP);
3139 bfreezel(&CardState);
3140 bfreezes(Thread);
3141 bfreezel(&CurThread);
3142 bfreezes(FDesc);
e9fda093 3143 bfreezel(&card_active_chan);
ef79bbde 3144}
ARM optimized PCSX fork