notaz.gp2x.de / pcsx_rearmed.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
psxbios: Add checks for bzero.
[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;
5ec7acdf 791 while ((s32)a2-- > 0) *p1++ = *p2++;
ef79bbde
P		 792
793 v0 = a0; pc0 = ra;
794}
795
796void psxBios_memset() { // 0x2b
797 char *p = (char *)Ra0;
5ec7acdf 798 while ((s32)a2-- > 0) *p++ = (char)a1;
ef79bbde 799
5ec7acdf 800 a2 = 0;
ef79bbde
P		 801 v0 = a0; pc0 = ra;
802}
803
804void psxBios_memmove() { // 0x2c
805 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
806
807 if (p2 <= p1 && p2 + a2 > p1) {
808 a2++; // BUG: copy one more byte here
809 p1 += a2;
810 p2 += a2;
5ec7acdf 811 while ((s32)a2-- > 0) *--p1 = *--p2;
ef79bbde 812 } else {
5ec7acdf 813 while ((s32)a2-- > 0) *p1++ = *p2++;
ef79bbde
P		 814 }
815
816 v0 = a0; pc0 = ra;
817}
818
819void psxBios_memcmp() { // 0x2d
820 psxBios_bcmp();
821}
822
823void psxBios_memchr() { // 0x2e
824 char *p = (char *)Ra0;
825
5ec7acdf 826 while ((s32)a2-- > 0) {
ef79bbde
P		 827 if (*p++ != (s8)a1) continue;
828 v0 = a0 + (p - (char *)Ra0 - 1);
829 pc0 = ra;
830 return;
831 }
832
833 v0 = 0; pc0 = ra;
834}
835
836void psxBios_rand() { // 0x2f
837 u32 s = psxMu32(0x9010) * 1103515245 + 12345;
838 v0 = (s >> 16) & 0x7fff;
839 psxMu32ref(0x9010) = SWAPu32(s);
840 pc0 = ra;
841}
842
843void psxBios_srand() { // 0x30
844 psxMu32ref(0x9010) = SWAPu32(a0);
845 pc0 = ra;
846}
847
848static u32 qscmpfunc, qswidth;
849
850static inline int qscmp(char *a, char *b) {
851 u32 sa0 = a0;
852
853 a0 = sa0 + (a - (char *)PSXM(sa0));
854 a1 = sa0 + (b - (char *)PSXM(sa0));
855
856 softCall2(qscmpfunc);
857
858 a0 = sa0;
859 return (s32)v0;
860}
861
862static inline void qexchange(char *i, char *j) {
863 char t;
864 int n = qswidth;
865
866 do {
867 t = *i;
868 *i++ = *j;
869 *j++ = t;
870 } while (--n);
871}
872
873static inline void q3exchange(char *i, char *j, char *k) {
874 char t;
875 int n = qswidth;
876
877 do {
878 t = *i;
879 *i++ = *k;
880 *k++ = *j;
881 *j++ = t;
882 } while (--n);
883}
884
885static void qsort_main(char *a, char *l) {
886 char *i, *j, *lp, *hp;
887 int c;
888 unsigned int n;
889
890start:
891 if ((n = l - a) <= qswidth)
892 return;
893 n = qswidth * (n / (2 * qswidth));
894 hp = lp = a + n;
895 i = a;
896 j = l - qswidth;
897 while (TRUE) {
898 if (i < lp) {
899 if ((c = qscmp(i, lp)) == 0) {
900 qexchange(i, lp -= qswidth);
901 continue;
902 }
903 if (c < 0) {
904 i += qswidth;
905 continue;
906 }
907 }
908
909loop:
910 if (j > hp) {
911 if ((c = qscmp(hp, j)) == 0) {
912 qexchange(hp += qswidth, j);
913 goto loop;
914 }
915 if (c > 0) {
916 if (i == lp) {
917 q3exchange(i, hp += qswidth, j);
918 i = lp += qswidth;
919 goto loop;
920 }
921 qexchange(i, j);
922 j -= qswidth;
923 i += qswidth;
924 continue;
925 }
926 j -= qswidth;
927 goto loop;
928 }
929
930 if (i == lp) {
931 if (lp - a >= l - hp) {
932 qsort_main(hp + qswidth, l);
933 l = lp;
934 } else {
935 qsort_main(a, lp);
936 a = hp + qswidth;
937 }
938 goto start;
939 }
940
941 q3exchange(j, lp -= qswidth, i);
942 j = hp -= qswidth;
943 }
944}
945
946void psxBios_qsort() { // 0x31
947 qswidth = a2;
948 qscmpfunc = a3;
949 qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
950
951 pc0 = ra;
952}
953
954void psxBios_malloc() { // 0x33
808a13bd 955 unsigned int *chunk, *newchunk = NULL;
956 unsigned int dsize = 0, csize, cstat;
ef79bbde
P		 957 int colflag;
958#ifdef PSXBIOS_LOG
959 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
960#endif
961
962 // scan through heap and combine free chunks of space
963 chunk = heap_addr;
964 colflag = 0;
965 while(chunk < heap_end) {
966 // get size and status of actual chunk
967 csize = ((u32)*chunk) & 0xfffffffc;
968 cstat = ((u32)*chunk) & 1;
969
970 // it's a free chunk
971 if(cstat == 1) {
972 if(colflag == 0) {
973 newchunk = chunk;
974 dsize = csize;
975 colflag = 1; // let's begin a new collection of free memory
976 }
977 else dsize += (csize+4); // add the new size including header
978 }
979 // not a free chunk: did we start a collection ?
980 else {
981 if(colflag == 1) { // collection is over
982 colflag = 0;
983 *newchunk = SWAP32(dsize | 1);
984 }
985 }
986
987 // next chunk
988 chunk = (u32*)((uptr)chunk + csize + 4);
989 }
990 // if neccessary free memory on end of heap
991 if (colflag == 1)
992 *newchunk = SWAP32(dsize | 1);
993
994 chunk = heap_addr;
995 csize = ((u32)*chunk) & 0xfffffffc;
996 cstat = ((u32)*chunk) & 1;
997 dsize = (a0 + 3) & 0xfffffffc;
998
999 // exit on uninitialized heap
1000 if (chunk == NULL) {
1001 SysPrintf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
1002 v0 = 0;
1003 pc0 = ra;
1004 return;
1005 }
1006
1007 // search an unused chunk that is big enough until the end of the heap
1008 while ((dsize > csize || cstat == 0) && chunk < heap_end ) {
1009 chunk = (u32*)((uptr)chunk + csize + 4);
1010 csize = ((u32)*chunk) & 0xfffffffc;
1011 cstat = ((u32)*chunk) & 1;
1012 }
1013
1014 // catch out of memory
1015 if(chunk >= heap_end) { SysPrintf("malloc %x,%x: Out of memory error!\n", v0, a0); v0 = 0; pc0 = ra; return; }
1016
1017 // allocate memory
1018 if(dsize == csize) {
1019 // chunk has same size
1020 *chunk &= 0xfffffffc;
1021 }
1022 else {
1023 // split free chunk
1024 *chunk = SWAP32(dsize);
1025 newchunk = (u32*)((uptr)chunk + dsize + 4);
808a13bd 1026 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
ef79bbde
P		 1027 }
1028
1029 // return pointer to allocated memory
1030 v0 = ((unsigned long)chunk - (unsigned long)psxM) + 4;
1031 v0|= 0x80000000;
1032 SysPrintf ("malloc %x,%x\n", v0, a0);
1033 pc0 = ra;
1034}
1035
1036void psxBios_free() { // 0x34
1037
1038#ifdef PSXBIOS_LOG
1039 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
1040#endif
1041
1042 SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
1043
1044 *(u32*)(Ra0-4) |= 1; // set chunk to free
1045 pc0 = ra;
1046}
1047
1048void psxBios_calloc() { // 0x37
02949f79 1049 void *pv0;
ef79bbde
P		 1050#ifdef PSXBIOS_LOG
1051 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
1052#endif
1053
1054 a0 = a0 * a1;
1055 psxBios_malloc();
02949f79 1056 pv0 = Rv0;
1057 if (pv0)
1058 memset(pv0, 0, a0);
ef79bbde
P		 1059}
1060
1061void psxBios_realloc() { // 0x38
1062 u32 block = a0;
1063 u32 size = a1;
1064#ifdef PSXBIOS_LOG
1065 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
1066#endif
1067
1068 a0 = block;
391b1d5b 1069 /* If "old_buf" is zero, executes malloc(new_size), and returns r2=new_buf (or 0=failed). */
1070 if (block == 0)
1071 {
1072 psxBios_malloc();
1073 }
1074 /* Else, if "new_size" is zero, executes free(old_buf), and returns r2=garbage. */
1075 else if (size == 0)
1076 {
1077 psxBios_free();
1078 }
1079 /* Else, executes malloc(new_size), bcopy(old_buf,new_buf,new_size), and free(old_buf), and returns r2=new_buf (or 0=failed). */
1080 /* Note that it is not quite implemented this way here. */
1081 else
1082 {
1083 psxBios_free();
1084 a0 = size;
1085 psxBios_malloc();
1086 }
ef79bbde
P		 1087}
1088
1089
1090/* InitHeap(void *block , int n) */
1091void psxBios_InitHeap() { // 0x39
1092 unsigned int size;
1093
1094#ifdef PSXBIOS_LOG
1095 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
1096#endif
1097
1098 if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
1099 else size = a1;
1100
1101 size &= 0xfffffffc;
1102
1103 heap_addr = (u32 *)Ra0;
1104 heap_end = (u32 *)((u8 *)heap_addr + size);
1105 *heap_addr = SWAP32(size | 1);
1106
c979c3ee 1107 SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
ef79bbde
P		 1108
1109 pc0 = ra;
1110}
1111
1112void psxBios_getchar() { //0x3b
1113 v0 = getchar(); pc0 = ra;
1114}
1115
1116void psxBios_printf() { // 0x3f
1117 char tmp[1024];
1118 char tmp2[1024];
1119 u32 save[4];
1120 char *ptmp = tmp;
1121 int n=1, i=0, j;
02949f79 1122 void *psp;
1123
1124 psp = PSXM(sp);
1125 if (psp) {
1126 memcpy(save, psp, 4 * 4);
1127 psxMu32ref(sp) = SWAP32((u32)a0);
1128 psxMu32ref(sp + 4) = SWAP32((u32)a1);
1129 psxMu32ref(sp + 8) = SWAP32((u32)a2);
1130 psxMu32ref(sp + 12) = SWAP32((u32)a3);
1131 }
ef79bbde
P		 1132
1133 while (Ra0[i]) {
1134 switch (Ra0[i]) {
1135 case '%':
1136 j = 0;
1137 tmp2[j++] = '%';
1138_start:
1139 switch (Ra0[++i]) {
1140 case '.':
1141 case 'l':
1142 tmp2[j++] = Ra0[i]; goto _start;
1143 default:
1144 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
1145 tmp2[j++] = Ra0[i];
1146 goto _start;
1147 }
1148 break;
1149 }
1150 tmp2[j++] = Ra0[i];
1151 tmp2[j] = 0;
1152
1153 switch (Ra0[i]) {
1154 case 'f': case 'F':
1155 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
1156 case 'a': case 'A':
1157 case 'e': case 'E':
1158 case 'g': case 'G':
1159 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
1160 case 'p':
888468ff 1161 case 'i': case 'u':
ef79bbde
P		 1162 case 'd': case 'D':
1163 case 'o': case 'O':
1164 case 'x': case 'X':
1165 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
1166 case 'c':
1167 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
1168 case 's':
1169 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1170 case '%':
1171 *ptmp++ = Ra0[i]; break;
1172 }
1173 i++;
1174 break;
1175 default:
1176 *ptmp++ = Ra0[i++];
1177 }
1178 }
1179 *ptmp = 0;
1180
02949f79 1181 if (psp)
1182 memcpy(psp, save, 4 * 4);
ef79bbde 1183
808a13bd 1184 SysPrintf("%s", tmp);
ef79bbde
P		 1185
1186 pc0 = ra;
1187}
1188
e7e1f572 1189void psxBios_format() { // 0x41
1190 if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0')
1191 {
1192 CreateMcd(Config.Mcd1);
1193 LoadMcd(1, Config.Mcd1);
1194 v0 = 1;
1195 }
1196 else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0')
1197 {
1198 CreateMcd(Config.Mcd2);
1199 LoadMcd(2, Config.Mcd2);
1200 v0 = 1;
1201 }
1202 else
1203 {
1204 v0 = 0;
1205 }
1206 pc0 = ra;
1207}
1208
ef79bbde
P		 1209/*
1210 * long Load(char *name, struct EXEC *header);
1211 */
1212
1213void psxBios_Load() { // 0x42
1214 EXE_HEADER eheader;
02949f79 1215 void *pa1;
ef79bbde
P		 1216
1217#ifdef PSXBIOS_LOG
1218 PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1219#endif
1220
02949f79 1221 pa1 = Ra1;
1222 if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) {
1223 memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC));
ef79bbde
P		 1224 v0 = 1;
1225 } else v0 = 0;
1226
1227 pc0 = ra;
1228}
1229
1230/*
1231 * int Exec(struct EXEC *header , int argc , char **argv);
1232 */
1233
1234void psxBios_Exec() { // 43
1235 EXEC *header = (EXEC*)Ra0;
1236 u32 tmp;
1237
1238#ifdef PSXBIOS_LOG
1239 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1240#endif
1241
1242 header->_sp = sp;
1243 header->_fp = fp;
1244 header->_sp = sp;
1245 header->_gp = gp;
1246 header->ret = ra;
1247 header->base = s0;
1248
1249 if (header->S_addr != 0) {
1250 tmp = header->S_addr + header->s_size;
1251 sp = tmp;
1252 fp = sp;
1253 }
1254
1255 gp = header->gp0;
1256
1257 s0 = a0;
1258
1259 a0 = a1;
1260 a1 = a2;
1261
1262 ra = 0x8000;
1263 pc0 = header->_pc0;
1264}
1265
1266void psxBios_FlushCache() { // 44
1267#ifdef PSXBIOS_LOG
1268 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1269#endif
1270
1271 pc0 = ra;
1272}
1273
1274void psxBios_GPU_dw() { // 0x46
1275 int size;
1276 s32 *ptr;
1277
1278#ifdef PSXBIOS_LOG
1279 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1280#endif
1281
1282 GPU_writeData(0xa0000000);
1283 GPU_writeData((a1<<16)|(a0&0xffff));
1284 GPU_writeData((a3<<16)|(a2&0xffff));
1285 size = (a2*a3+1)/2;
1286 ptr = (s32*)PSXM(Rsp[4]); //that is correct?
1287 do {
1288 GPU_writeData(SWAP32(*ptr));
1289 ptr++;
1290 } while(--size);
1291
1292 pc0 = ra;
1293}
1294
1295void psxBios_mem2vram() { // 0x47
1296 int size;
1297
1298 GPU_writeData(0xa0000000);
1299 GPU_writeData((a1<<16)|(a0&0xffff));
1300 GPU_writeData((a3<<16)|(a2&0xffff));
1301 size = (a2*a3+1)/2;
1302 GPU_writeStatus(0x04000002);
1303 psxHwWrite32(0x1f8010f4,0);
1304 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1305 psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1306 psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1307 psxHwWrite32(0x1f8010a8,0x01000201);
1308
1309 pc0 = ra;
1310}
1311
1312void psxBios_SendGPU() { // 0x48
1313 GPU_writeStatus(a0);
ddbaf678 1314 gpuSyncPluginSR();
ef79bbde
P		 1315 pc0 = ra;
1316}
1317
1318void psxBios_GPU_cw() { // 0x49
1319 GPU_writeData(a0);
1320 pc0 = ra;
1321}
1322
1323void psxBios_GPU_cwb() { // 0x4a
1324 s32 *ptr = (s32*)Ra0;
1325 int size = a1;
1326 while(size--) {
1327 GPU_writeData(SWAP32(*ptr));
1328 ptr++;
1329 }
1330
1331 pc0 = ra;
1332}
1333
1334void psxBios_GPU_SendPackets() { //4b:
1335 GPU_writeStatus(0x04000002);
1336 psxHwWrite32(0x1f8010f4,0);
1337 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1338 psxHwWrite32(0x1f8010a0,a0);
1339 psxHwWrite32(0x1f8010a4,0);
1340 psxHwWrite32(0x1f8010a8,0x010000401);
1341 pc0 = ra;
1342}
1343
1344void psxBios_sys_a0_4c() { // 0x4c GPU relate
1345 psxHwWrite32(0x1f8010a8,0x00000401);
1346 GPU_writeData(0x0400000);
1347 GPU_writeData(0x0200000);
1348 GPU_writeData(0x0100000);
cd1ea245 1349 v0 = 0x1f801814;
ef79bbde
P		 1350 pc0 = ra;
1351}
1352
1353void psxBios_GPU_GetGPUStatus() { // 0x4d
1354 v0 = GPU_readStatus();
1355 pc0 = ra;
1356}
1357
1358#undef s_addr
1359
1360void psxBios_LoadExec() { // 51
1361 EXEC *header = (EXEC*)PSXM(0xf000);
1362 u32 s_addr, s_size;
1363
1364#ifdef PSXBIOS_LOG
1365 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1366#endif
1367 s_addr = a1; s_size = a2;
1368
1369 a1 = 0xf000;
1370 psxBios_Load();
1371
1372 header->S_addr = s_addr;
1373 header->s_size = s_size;
1374
1375 a0 = 0xf000; a1 = 0; a2 = 0;
1376 psxBios_Exec();
1377}
1378
1379void psxBios__bu_init() { // 70
1380#ifdef PSXBIOS_LOG
1381 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1382#endif
1383
1384 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1385 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1386
1387 pc0 = ra;
1388}
1389
1390void psxBios__96_init() { // 71
1391#ifdef PSXBIOS_LOG
1392 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1393#endif
1394
1395 pc0 = ra;
1396}
1397
1398void psxBios__96_remove() { // 72
1399#ifdef PSXBIOS_LOG
1400 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1401#endif
1402
1403 pc0 = ra;
1404}
1405
1406void psxBios_SetMem() { // 9f
1407 u32 new = psxHu32(0x1060);
1408
1409#ifdef PSXBIOS_LOG
1410 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1411#endif
1412
1413 switch(a0) {
1414 case 2:
1415 psxHu32ref(0x1060) = SWAP32(new);
1416 psxMu32ref(0x060) = a0;
1417 SysPrintf("Change effective memory : %d MBytes\n",a0);
1418 break;
1419
1420 case 8:
1421 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1422 psxMu32ref(0x060) = a0;
1423 SysPrintf("Change effective memory : %d MBytes\n",a0);
1424
1425 default:
1426 SysPrintf("Effective memory must be 2/8 MBytes\n");
1427 break;
1428 }
1429
1430 pc0 = ra;
1431}
1432
1433void psxBios__card_info() { // ab
1434#ifdef PSXBIOS_LOG
1435 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1436#endif
76b81516 1437 u32 ret;
e9fda093 1438 card_active_chan = a0;
1439
76b81516 1440 switch (card_active_chan)
1441 {
1442 case 0x00: case 0x01: case 0x02: case 0x03:
1443 ret = Config.Mcd1[0] ? 0x2 : 0x8;
1444 break;
1445 case 0x10: case 0x11: case 0x12: case 0x13:
1446 ret = Config.Mcd2[0] ? 0x2 : 0x8;
1447 break;
1448 default:
1449#ifdef PSXBIOS_LOG
1450 PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan);
1451#endif
1452 ret = 0x11;
1453 break;
1454 }
1455
1456// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
ef79bbde
P		 1457// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1458 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
76b81516 1459 DeliverEvent(0x81, ret); // 0xf4000001, 0x0004
ef79bbde
P		 1460
1461 v0 = 1; pc0 = ra;
1462}
1463
1464void psxBios__card_load() { // ac
1465#ifdef PSXBIOS_LOG
1466 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1467#endif
1468
e9fda093 1469 card_active_chan = a0;
1470
ef79bbde
P		 1471// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1472 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1473
1474 v0 = 1; pc0 = ra;
1475}
1476
1477/* System calls B0 */
1478
1479void psxBios_SetRCnt() { // 02
1480#ifdef PSXBIOS_LOG
1481 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1482#endif
1483
1484 a0&= 0x3;
1485 if (a0 != 3) {
1486 u32 mode=0;
1487
1488 psxRcntWtarget(a0, a1);
1489 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1490 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1491 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1492 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1493 else { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1494
1495 psxRcntWmode(a0, mode);
1496 }
1497 pc0 = ra;
1498}
1499
1500void psxBios_GetRCnt() { // 03
1501#ifdef PSXBIOS_LOG
1502 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1503#endif
1504
1505 a0&= 0x3;
1506 if (a0 != 3) v0 = psxRcntRcount(a0);
1507 else v0 = 0;
1508 pc0 = ra;
1509}
1510
1511void psxBios_StartRCnt() { // 04
1512#ifdef PSXBIOS_LOG
1513 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1514#endif
1515
1516 a0&= 0x3;
1517 if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1518 else psxHu32ref(0x1074)|= SWAPu32(0x1);
1519 v0 = 1; pc0 = ra;
1520}
1521
1522void psxBios_StopRCnt() { // 05
1523#ifdef PSXBIOS_LOG
1524 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1525#endif
1526
1527 a0&= 0x3;
1528 if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1529 else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1530 pc0 = ra;
1531}
1532
1533void psxBios_ResetRCnt() { // 06
1534#ifdef PSXBIOS_LOG
1535 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1536#endif
1537
1538 a0&= 0x3;
1539 if (a0 != 3) {
1540 psxRcntWmode(a0, 0);
1541 psxRcntWtarget(a0, 0);
1542 psxRcntWcount(a0, 0);
1543 }
1544 pc0 = ra;
1545}
1546
1547
1548/* gets ev for use with Event */
1549#define GetEv() \
1550 ev = (a0 >> 24) & 0xf; \
1551 if (ev == 0xf) ev = 0x5; \
1552 ev*= 32; \
1553 ev+= a0&0x1f;
1554
1555/* gets spec for use with Event */
1556#define GetSpec() \
1557 spec = 0; \
1558 switch (a1) { \
1559 case 0x0301: spec = 16; break; \
1560 case 0x0302: spec = 17; break; \
1561 default: \
1562 for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1563 break; \
1564 }
1565
1566void psxBios_DeliverEvent() { // 07
1567 int ev, spec;
1568 int i;
1569
1570 GetEv();
1571 GetSpec();
1572
1573#ifdef PSXBIOS_LOG
1574 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1575#endif
1576
1577 DeliverEvent(ev, spec);
1578
1579 pc0 = ra;
1580}
1581
1582void psxBios_OpenEvent() { // 08
1583 int ev, spec;
1584 int i;
1585
1586 GetEv();
1587 GetSpec();
1588
1589#ifdef PSXBIOS_LOG
1590 PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1591#endif
1592
1593 Event[ev][spec].status = EvStWAIT;
1594 Event[ev][spec].mode = a2;
1595 Event[ev][spec].fhandler = a3;
1596
1597 v0 = ev | (spec << 8);
1598 pc0 = ra;
1599}
1600
1601void psxBios_CloseEvent() { // 09
1602 int ev, spec;
1603
1604 ev = a0 & 0xff;
1605 spec = (a0 >> 8) & 0xff;
1606
1607#ifdef PSXBIOS_LOG
1608 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1609#endif
1610
1611 Event[ev][spec].status = EvStUNUSED;
1612
1613 v0 = 1; pc0 = ra;
1614}
1615
1616void psxBios_WaitEvent() { // 0a
1617 int ev, spec;
1618
1619 ev = a0 & 0xff;
1620 spec = (a0 >> 8) & 0xff;
ef79bbde
P		 1621#ifdef PSXBIOS_LOG
1622 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1623#endif
d95c9dcb 1624 if (Event[ev][spec].status == EvStUNUSED)
1625 {
1626 v0 = 0;
1627 pc0 = ra;
1628 return;
1629 }
ef79bbde 1630
d95c9dcb 1631 if (Event[ev][spec].status == EvStALREADY)
1632 {
1633 /* Callback events (mode=EvMdINTR) do never set the ready flag (and thus WaitEvent would hang forever). */
1634 if (!(Event[ev][spec].mode == EvMdINTR)) Event[ev][spec].status = EvStACTIVE;
1635 v0 = 1;
1636 pc0 = ra;
1637 return;
1638 }
ef79bbde 1639
d95c9dcb 1640 v0 = 0;
1641 pc0 = ra;
ef79bbde
P		 1642}
1643
1644void psxBios_TestEvent() { // 0b
1645 int ev, spec;
1646
1647 ev = a0 & 0xff;
1648 spec = (a0 >> 8) & 0xff;
1649
1650 if (Event[ev][spec].status == EvStALREADY) {
1651 Event[ev][spec].status = EvStACTIVE; v0 = 1;
1652 } else v0 = 0;
1653
1654#ifdef PSXBIOS_LOG
1655 PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1656#endif
1657
1658 pc0 = ra;
1659}
1660
1661void psxBios_EnableEvent() { // 0c
1662 int ev, spec;
1663
1664 ev = a0 & 0xff;
1665 spec = (a0 >> 8) & 0xff;
1666
1667#ifdef PSXBIOS_LOG
1668 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1669#endif
1670
1671 Event[ev][spec].status = EvStACTIVE;
1672
1673 v0 = 1; pc0 = ra;
1674}
1675
1676void psxBios_DisableEvent() { // 0d
1677 int ev, spec;
1678
1679 ev = a0 & 0xff;
1680 spec = (a0 >> 8) & 0xff;
1681
1682#ifdef PSXBIOS_LOG
1683 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1684#endif
1685
1686 Event[ev][spec].status = EvStWAIT;
1687
1688 v0 = 1; pc0 = ra;
1689}
1690
1691/*
1692 * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1693 */
1694
1695void psxBios_OpenTh() { // 0e
1696 int th;
1697
1698 for (th=1; th<8; th++)
a66d3058 1699 {
ef79bbde
P		 1700 if (Thread[th].status == 0) break;
1701
a66d3058 1702 }
1703 if (th == 8) {
1704 // Feb 2019 - Added out-of-bounds fix caught by cppcheck:
1705 // When no free TCB is found, return 0xffffffff according to Nocash doc.
1706#ifdef PSXBIOS_LOG
1707 PSXBIOS_LOG("\t%s() WARNING! No Free TCBs found!\n", __func__);
1708#endif
1709 v0 = 0xffffffff;
1710 pc0 = ra;
1711 return;
1712 }
ef79bbde
P		 1713#ifdef PSXBIOS_LOG
1714 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1715#endif
1716
1717 Thread[th].status = 1;
1718 Thread[th].func = a0;
1719 Thread[th].reg[29] = a1;
1720 Thread[th].reg[28] = a2;
1721
1722 v0 = th; pc0 = ra;
1723}
1724
1725/*
1726 * int CloseTh(long thread);
1727 */
1728
1729void psxBios_CloseTh() { // 0f
1730 int th = a0 & 0xff;
1731
1732#ifdef PSXBIOS_LOG
1733 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1734#endif
1735
1736 if (Thread[th].status == 0) {
1737 v0 = 0;
1738 } else {
1739 Thread[th].status = 0;
1740 v0 = 1;
1741 }
1742
1743 pc0 = ra;
1744}
1745
1746/*
1747 * int ChangeTh(long thread);
1748 */
1749
1750void psxBios_ChangeTh() { // 10
1751 int th = a0 & 0xff;
1752
1753#ifdef PSXBIOS_LOG
1754// PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1755#endif
1756
1757 if (Thread[th].status == 0 || CurThread == th) {
1758 v0 = 0;
1759
1760 pc0 = ra;
1761 } else {
1762 v0 = 1;
1763
1764 if (Thread[CurThread].status == 2) {
1765 Thread[CurThread].status = 1;
1766 Thread[CurThread].func = ra;
1767 memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1768 }
1769
1770 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1771 pc0 = Thread[th].func;
1772 Thread[th].status = 2;
1773 CurThread = th;
1774 }
1775}
1776
1777void psxBios_InitPAD() { // 0x12
1778#ifdef PSXBIOS_LOG
1779 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1780#endif
1781
1782 pad_buf1 = (char*)Ra0;
1783 pad_buf1len = a1;
1784 pad_buf2 = (char*)Ra2;
1785 pad_buf2len = a3;
1786
1787 v0 = 1; pc0 = ra;
1788}
1789
1790void psxBios_StartPAD() { // 13
1791#ifdef PSXBIOS_LOG
1792 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1793#endif
1794
1795 psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1796 psxRegs.CP0.n.Status |= 0x401;
1797 pc0 = ra;
1798}
1799
1800void psxBios_StopPAD() { // 14
1801#ifdef PSXBIOS_LOG
1802 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1803#endif
8a0245bb 1804 if (pad_buf == 0){
ef79bbde
P		 1805 pad_buf1 = NULL;
1806 pad_buf2 = NULL;
8a0245bb 1807 }
ef79bbde
P		 1808 pc0 = ra;
1809}
1810
1811void psxBios_PAD_init() { // 15
1812#ifdef PSXBIOS_LOG
1813 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1814#endif
a824e83d 1815 if (!(a0 == 0x20000000 || a0 == 0x20000001))
1816 {
1817 v0 = 0;
1818 pc0 = ra;
1819 return;
1820 }
ef79bbde
P		 1821 psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1822 pad_buf = (int *)Ra1;
1823 *pad_buf = -1;
1824 psxRegs.CP0.n.Status |= 0x401;
a824e83d 1825 v0 = 2;
ef79bbde
P		 1826 pc0 = ra;
1827}
1828
1829void psxBios_PAD_dr() { // 16
1830#ifdef PSXBIOS_LOG
1831 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1832#endif
1833
1834 v0 = -1; pc0 = ra;
1835}
1836
1837void psxBios_ReturnFromException() { // 17
1838 LoadRegs();
1839
1840 pc0 = psxRegs.CP0.n.EPC;
1841 if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1842
1843 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1844 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1845}
1846
1847void psxBios_ResetEntryInt() { // 18
1848#ifdef PSXBIOS_LOG
1849 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1850#endif
1851
1852 jmp_int = NULL;
1853 pc0 = ra;
1854}
1855
1856void psxBios_HookEntryInt() { // 19
1857#ifdef PSXBIOS_LOG
1858 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
1859#endif
1860
1861 jmp_int = (u32*)Ra0;
1862 pc0 = ra;
1863}
1864
1865void psxBios_UnDeliverEvent() { // 0x20
1866 int ev, spec;
1867 int i;
1868
1869 GetEv();
1870 GetSpec();
1871
1872#ifdef PSXBIOS_LOG
1873 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
1874#endif
1875
1876 if (Event[ev][spec].status == EvStALREADY &&
1877 Event[ev][spec].mode == EvMdNOINTR)
1878 Event[ev][spec].status = EvStACTIVE;
1879
1880 pc0 = ra;
1881}
1882
595a136b 1883char ffile[64], *pfile;
1884int nfile;
1885static void buopen(int mcd, u8 *ptr, u8 *cfg)
1886{
1887 int i;
1888 u8 *fptr = ptr;
1889
1890 strcpy(FDesc[1 + mcd].name, Ra0+5);
1891 FDesc[1 + mcd].offset = 0;
1892 FDesc[1 + mcd].mode = a1;
1893
1894 for (i=1; i<16; i++) {
1895 fptr += 128;
1896 if ((*fptr & 0xF0) != 0x50) continue;
1897 if (strcmp(FDesc[1 + mcd].name, fptr+0xa)) continue;
1898 FDesc[1 + mcd].mcfile = i;
1899 SysPrintf("open %s\n", fptr+0xa);
1900 v0 = 1 + mcd;
1901 break;
1902 }
1903 if (a1 & 0x200 && v0 == -1) { /* FCREAT */
1904 fptr = ptr;
1905 for (i=1; i<16; i++) {
1906 int j, xor, nblk = a1 >> 16;
1907 u8 *pptr, *fptr2;
1908
1909 fptr += 128;
1910 if ((*fptr & 0xF0) != 0xa0) continue;
1911
1912 FDesc[1 + mcd].mcfile = i;
1913 fptr[0] = 0x51;
1914 fptr[4] = 0x00;
1915 fptr[5] = 0x20 * nblk;
1916 fptr[6] = 0x00;
1917 fptr[7] = 0x00;
1918 strcpy(fptr+0xa, FDesc[1 + mcd].name);
1919 pptr = fptr2 = fptr;
1920 for(j=2; j<=nblk; j++) {
1921 int k;
1922 for(i++; i<16; i++) {
1923 fptr2 += 128;
1924
1925 memset(fptr2, 0, 128);
1926 fptr2[0] = j < nblk ? 0x52 : 0x53;
1927 pptr[8] = i - 1;
1928 pptr[9] = 0;
1929 for (k=0, xor=0; k<127; k++) xor^= pptr[k];
1930 pptr[127] = xor;
1931 pptr = fptr2;
1932 break;
1933 }
1934 /* shouldn't this return ENOSPC if i == 16? */
1935 }
1936 pptr[8] = pptr[9] = 0xff;
1937 for (j=0, xor=0; j<127; j++) xor^= pptr[j];
1938 pptr[127] = xor;
1939 SysPrintf("openC %s %d\n", ptr, nblk);
1940 v0 = 1 + mcd;
1941 /* just go ahead and resave them all */
1942 SaveMcd(cfg, ptr, 128, 128 * 15);
1943 break;
1944 }
1945 /* shouldn't this return ENOSPC if i == 16? */
1946 }
ef79bbde
P		 1947}
1948
1949/*
1950 * int open(char *name , int mode);
1951 */
1952
1953void psxBios_open() { // 0x32
1954 int i;
1955 char *ptr;
02949f79 1956 void *pa0 = Ra0;
ef79bbde
P		 1957
1958#ifdef PSXBIOS_LOG
1959 PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
1960#endif
1961
1962 v0 = -1;
1963
02949f79 1964 if (pa0) {
1965 if (!strncmp(pa0, "bu00", 4)) {
595a136b 1966 buopen(1, Mcd1Data, Config.Mcd1);
02949f79 1967 }
ef79bbde 1968
02949f79 1969 if (!strncmp(pa0, "bu10", 4)) {
595a136b 1970 buopen(2, Mcd2Data, Config.Mcd2);
02949f79 1971 }
ef79bbde
P		 1972 }
1973
1974 pc0 = ra;
1975}
1976
1977/*
1978 * int lseek(int fd , int offset , int whence);
1979 */
1980
1981void psxBios_lseek() { // 0x33
1982#ifdef PSXBIOS_LOG
1983 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
1984#endif
1985
1986 switch (a2) {
1987 case 0: // SEEK_SET
1988 FDesc[a0].offset = a1;
1989 v0 = a1;
1990// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1991// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1992 break;
1993
1994 case 1: // SEEK_CUR
1995 FDesc[a0].offset+= a1;
1996 v0 = FDesc[a0].offset;
1997 break;
1998 }
1999
2000 pc0 = ra;
2001}
2002
595a136b 2003
ef79bbde
P		 2004/*
2005 * int read(int fd , void *buf , int nbytes);
2006 */
2007
2008void psxBios_read() { // 0x34
2009 char *ptr;
02949f79 2010 void *pa1 = Ra1;
ef79bbde
P		 2011
2012#ifdef PSXBIOS_LOG
2013 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
2014#endif
2015
2016 v0 = -1;
2017
02949f79 2018 if (pa1) {
2019 switch (a0) {
595a136b 2020 case 2: buread(pa1, 1, a2); break;
2021 case 3: buread(pa1, 2, a2); break;
02949f79 2022 }
ef79bbde
P		 2023 }
2024
2025 pc0 = ra;
2026}
2027
ef79bbde
P		 2028/*
2029 * int write(int fd , void *buf , int nbytes);
2030 */
2031
2032void psxBios_write() { // 0x35/0x03
2033 char *ptr;
02949f79 2034 void *pa1 = Ra1;
2035
2036#ifdef PSXBIOS_LOG
2037 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
2038#endif
2039
2040 v0 = -1;
2041 if (!pa1) {
2042 pc0 = ra;
2043 return;
2044 }
ef79bbde
P		 2045
2046 if (a0 == 1) { // stdout
02949f79 2047 char *ptr = pa1;
ef79bbde 2048
02949f79 2049 v0 = a2;
ef79bbde
P		 2050 while (a2 > 0) {
2051 SysPrintf("%c", *ptr++); a2--;
2052 }
2053 pc0 = ra; return;
2054 }
ef79bbde
P		 2055
2056 switch (a0) {
595a136b 2057 case 2: buwrite(pa1, 1, a2); break;
2058 case 3: buwrite(pa1, 2, a2); break;
ef79bbde
P		 2059 }
2060
2061 pc0 = ra;
2062}
2063
2064/*
2065 * int close(int fd);
2066 */
2067
2068void psxBios_close() { // 0x36
2069#ifdef PSXBIOS_LOG
2070 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
2071#endif
2072
2073 v0 = a0;
2074 pc0 = ra;
2075}
2076
2077void psxBios_putchar() { // 3d
2078 SysPrintf("%c", (char)a0);
2079 pc0 = ra;
2080}
2081
2082void psxBios_puts() { // 3e/3f
808a13bd 2083 SysPrintf("%s", Ra0);
ef79bbde
P		 2084 pc0 = ra;
2085}
2086
2087char ffile[64], *pfile;
2088int nfile;
2089
2090#define bufile(mcd) { \
2091 while (nfile < 16) { \
2092 int match=1; \
2093 \
595a136b 2094 ptr = Mcd##mcd##Data + 128 * (nfile + 1); \
ef79bbde
P		 2095 nfile++; \
2096 if ((*ptr & 0xF0) != 0x50) continue; \
595a136b 2097 /* Bug link files show up as free block. */ \
2098 if (!ptr[0xa]) continue; \
ef79bbde
P		 2099 ptr+= 0xa; \
2100 if (pfile[0] == 0) { \
507d7c1d 2101 strncpy(dir->name, ptr, sizeof(dir->name)); \
2102 dir->name[sizeof(dir->name) - 1] = '\0'; \
ef79bbde
P		 2103 } else for (i=0; i<20; i++) { \
2104 if (pfile[i] == ptr[i]) { \
595a136b 2105 dir->name[i] = ptr[i]; continue; } \
ef79bbde
P		 2106 if (pfile[i] == '?') { \
2107 dir->name[i] = ptr[i]; continue; } \
2108 if (pfile[i] == '*') { \
2109 strcpy(dir->name+i, ptr+i); break; } \
2110 match = 0; break; \
2111 } \
2112 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
595a136b 2113 if (match == 0) { continue; } \
ef79bbde
P		 2114 dir->size = 8192; \
2115 v0 = _dir; \
2116 break; \
2117 } \
2118}
2119
2120/*
2121 * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
2122 */
2123
2124void psxBios_firstfile() { // 42
2125 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
02949f79 2126 void *pa0 = Ra0;
ef79bbde
P		 2127 u32 _dir = a1;
2128 char *ptr;
2129 int i;
2130
2131#ifdef PSXBIOS_LOG
2132 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
2133#endif
2134
2135 v0 = 0;
2136
02949f79 2137 if (pa0) {
2138 strcpy(ffile, pa0);
2139 pfile = ffile+5;
2140 nfile = 1;
2141 if (!strncmp(pa0, "bu00", 4)) {
857fabea 2142 // firstfile() calls _card_read() internally, so deliver it's event
2143 DeliverEvent(0x11, 0x2);
02949f79 2144 bufile(1);
2145 } else if (!strncmp(pa0, "bu10", 4)) {
857fabea 2146 // firstfile() calls _card_read() internally, so deliver it's event
2147 DeliverEvent(0x11, 0x2);
02949f79 2148 bufile(2);
2149 }
ef79bbde
P		 2150 }
2151
2152 pc0 = ra;
2153}
2154
2155/*
2156 * struct DIRENTRY* nextfile(struct DIRENTRY *dir);
2157 */
2158
2159void psxBios_nextfile() { // 43
2160 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
2161 u32 _dir = a0;
2162 char *ptr;
2163 int i;
2164
2165#ifdef PSXBIOS_LOG
2166 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
2167#endif
2168
2169 v0 = 0;
2170
2171 if (!strncmp(ffile, "bu00", 4)) {
2172 bufile(1);
2173 }
2174
2175 if (!strncmp(ffile, "bu10", 4)) {
2176 bufile(2);
2177 }
2178
2179 pc0 = ra;
2180}
2181
2182#define burename(mcd) { \
2183 for (i=1; i<16; i++) { \
2184 int namelen, j, xor = 0; \
2185 ptr = Mcd##mcd##Data + 128 * i; \
2186 if ((*ptr & 0xF0) != 0x50) continue; \
2187 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2188 namelen = strlen(Ra1+5); \
2189 memcpy(ptr+0xa, Ra1+5, namelen); \
2190 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
2191 for (j=0; j<127; j++) xor^= ptr[j]; \
2192 ptr[127] = xor; \
2193 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
2194 v0 = 1; \
2195 break; \
2196 } \
2197}
2198
2199/*
2200 * int rename(char *old, char *new);
2201 */
2202
2203void psxBios_rename() { // 44
02949f79 2204 void *pa0 = Ra0;
2205 void *pa1 = Ra1;
ef79bbde
P		 2206 char *ptr;
2207 int i;
2208
2209#ifdef PSXBIOS_LOG
2210 PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
2211#endif
2212
2213 v0 = 0;
2214
02949f79 2215 if (pa0 && pa1) {
2216 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
2217 burename(1);
2218 }
ef79bbde 2219
02949f79 2220 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
2221 burename(2);
2222 }
ef79bbde
P		 2223 }
2224
2225 pc0 = ra;
2226}
2227
2228
2229#define budelete(mcd) { \
2230 for (i=1; i<16; i++) { \
2231 ptr = Mcd##mcd##Data + 128 * i; \
2232 if ((*ptr & 0xF0) != 0x50) continue; \
2233 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2234 *ptr = (*ptr & 0xf) | 0xA0; \
2235 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
2236 SysPrintf("delete %s\n", ptr+0xa); \
2237 v0 = 1; \
2238 break; \
2239 } \
2240}
2241
2242/*
2243 * int delete(char *name);
2244 */
2245
2246void psxBios_delete() { // 45
02949f79 2247 void *pa0 = Ra0;
ef79bbde
P		 2248 char *ptr;
2249 int i;
2250
2251#ifdef PSXBIOS_LOG
2252 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2253#endif
2254
2255 v0 = 0;
2256
02949f79 2257 if (pa0) {
2258 if (!strncmp(pa0, "bu00", 4)) {
2259 budelete(1);
2260 }
ef79bbde 2261
02949f79 2262 if (!strncmp(pa0, "bu10", 4)) {
2263 budelete(2);
2264 }
ef79bbde
P		 2265 }
2266
2267 pc0 = ra;
2268}
2269
2270void psxBios_InitCARD() { // 4a
2271#ifdef PSXBIOS_LOG
2272 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2273#endif
2274
2275 CardState = 0;
2276
2277 pc0 = ra;
2278}
2279
2280void psxBios_StartCARD() { // 4b
2281#ifdef PSXBIOS_LOG
2282 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2283#endif
2284
2285 if (CardState == 0) CardState = 1;
2286
2287 pc0 = ra;
2288}
2289
2290void psxBios_StopCARD() { // 4c
2291#ifdef PSXBIOS_LOG
2292 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2293#endif
2294
2295 if (CardState == 1) CardState = 0;
2296
2297 pc0 = ra;
2298}
2299
2300void psxBios__card_write() { // 0x4e
02949f79 2301 void *pa2 = Ra2;
ef79bbde
P		 2302 int port;
2303
2304#ifdef PSXBIOS_LOG
2305 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2306#endif
bd48ba5e 2307 /* Function also accepts sector 400h (a bug) */
2308 if (!(a1 <= 0x400))
2309 {
2310 /* Invalid sectors */
2311 v0 = 0; pc0 = ra;
2312 return;
2313 }
e9fda093 2314 card_active_chan = a0;
ef79bbde
P		 2315 port = a0 >> 4;
2316
02949f79 2317 if (pa2) {
2318 if (port == 0) {
2319 memcpy(Mcd1Data + a1 * 128, pa2, 128);
2320 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2321 } else {
2322 memcpy(Mcd2Data + a1 * 128, pa2, 128);
2323 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2324 }
ef79bbde
P		 2325 }
2326
2327 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2328// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2329
2330 v0 = 1; pc0 = ra;
2331}
2332
2333void psxBios__card_read() { // 0x4f
02949f79 2334 void *pa2 = Ra2;
ef79bbde
P		 2335 int port;
2336
2337#ifdef PSXBIOS_LOG
2338 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2339#endif
bd48ba5e 2340 /* Function also accepts sector 400h (a bug) */
2341 if (!(a1 <= 0x400))
2342 {
2343 /* Invalid sectors */
2344 v0 = 0; pc0 = ra;
2345 return;
2346 }
e9fda093 2347 card_active_chan = a0;
ef79bbde
P		 2348 port = a0 >> 4;
2349
02949f79 2350 if (pa2) {
2351 if (port == 0) {
2352 memcpy(pa2, Mcd1Data + a1 * 128, 128);
2353 } else {
2354 memcpy(pa2, Mcd2Data + a1 * 128, 128);
2355 }
ef79bbde
P		 2356 }
2357
2358 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2359// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2360
2361 v0 = 1; pc0 = ra;
2362}
2363
2364void psxBios__new_card() { // 0x50
2365#ifdef PSXBIOS_LOG
2366 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2367#endif
2368
2369 pc0 = ra;
2370}
2371
2372void psxBios_Krom2RawAdd() { // 0x51
2373 int i = 0;
2374
2375 const u32 table_8140[][2] = {
2376 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2377 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2378 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2379 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2380 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2381 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2382 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2383 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2384 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2385 {0xffff, 0}
2386 };
2387
2388 const u32 table_889f[][2] = {
2389 {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4},
2390 {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304},
2391 {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14},
2392 {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24},
2393 {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734},
2394 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2395 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2396 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2397 {0xffff, 0}
2398 };
2399
2400 if (a0 >= 0x8140 && a0 <= 0x84be) {
2401 while (table_8140[i][0] <= a0) i++;
2402 a0 -= table_8140[i - 1][0];
2403 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2404 } else if (a0 >= 0x889f && a0 <= 0x9872) {
2405 while (table_889f[i][0] <= a0) i++;
2406 a0 -= table_889f[i - 1][0];
2407 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2408 } else {
2409 v0 = 0xffffffff;
2410 }
2411
2412 pc0 = ra;
2413}
2414
2415void psxBios_GetC0Table() { // 56
2416#ifdef PSXBIOS_LOG
2417 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2418#endif
2419
2420 v0 = 0x674; pc0 = ra;
2421}
2422
2423void psxBios_GetB0Table() { // 57
2424#ifdef PSXBIOS_LOG
2425 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2426#endif
2427
2428 v0 = 0x874; pc0 = ra;
2429}
2430
e9fda093 2431void psxBios__card_chan() { // 0x58
2432#ifdef PSXBIOS_LOG
2433 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2434#endif
2435
2436 v0 = card_active_chan;
2437 pc0 = ra;
2438}
2439
ef79bbde
P		 2440void psxBios_ChangeClearPad() { // 5b
2441#ifdef PSXBIOS_LOG
2442 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2443#endif
2444
2445 pc0 = ra;
2446}
2447
2448/* System calls C0 */
2449
2450/*
2451 * int SysEnqIntRP(int index , long *queue);
2452 */
2453
2454void psxBios_SysEnqIntRP() { // 02
2455#ifdef PSXBIOS_LOG
2456 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2457#endif
2458
2459 SysIntRP[a0] = a1;
2460
2461 v0 = 0; pc0 = ra;
2462}
2463
2464/*
2465 * int SysDeqIntRP(int index , long *queue);
2466 */
2467
2468void psxBios_SysDeqIntRP() { // 03
2469#ifdef PSXBIOS_LOG
2470 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2471#endif
2472
2473 SysIntRP[a0] = 0;
2474
2475 v0 = 0; pc0 = ra;
2476}
2477
2478void psxBios_ChangeClearRCnt() { // 0a
2479 u32 *ptr;
2480
2481#ifdef PSXBIOS_LOG
2482 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2483#endif
2484
2485 ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2486 v0 = *ptr;
2487 *ptr = a1;
2488
2489// psxRegs.CP0.n.Status|= 0x404;
2490 pc0 = ra;
2491}
2492
2493void psxBios_dummy() {
2494#ifdef PSXBIOS_LOG
2495 PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2496#endif
2497 pc0 = ra;
2498}
2499
2500void (*biosA0[256])();
2501void (*biosB0[256])();
2502void (*biosC0[256])();
2503
2504#include "sjisfont.h"
2505
2506void psxBiosInit() {
2507 u32 base, size;
2508 u32 *ptr;
2509 int i;
2510 uLongf len;
2511
2512 for(i = 0; i < 256; i++) {
2513 biosA0[i] = NULL;
2514 biosB0[i] = NULL;
2515 biosC0[i] = NULL;
2516 }
2517 biosA0[0x3e] = psxBios_puts;
2518 biosA0[0x3f] = psxBios_printf;
2519
2520 biosB0[0x3d] = psxBios_putchar;
2521 biosB0[0x3f] = psxBios_puts;
2522
2523 if (!Config.HLE) return;
2524
2525 for(i = 0; i < 256; i++) {
2526 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2527 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2528 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2529 }
2530
2531 biosA0[0x00] = psxBios_open;
2532 biosA0[0x01] = psxBios_lseek;
2533 biosA0[0x02] = psxBios_read;
2534 biosA0[0x03] = psxBios_write;
2535 biosA0[0x04] = psxBios_close;
2536 //biosA0[0x05] = psxBios_ioctl;
2537 //biosA0[0x06] = psxBios_exit;
2538 //biosA0[0x07] = psxBios_sys_a0_07;
324cec89 2539 biosA0[0x08] = psxBios_getc;
2540 biosA0[0x09] = psxBios_putc;
ba11675c 2541 biosA0[0x0a] = psxBios_todigit;
ef79bbde
P		 2542 //biosA0[0x0b] = psxBios_atof;
2543 //biosA0[0x0c] = psxBios_strtoul;
2544 //biosA0[0x0d] = psxBios_strtol;
2545 biosA0[0x0e] = psxBios_abs;
2546 biosA0[0x0f] = psxBios_labs;
2547 biosA0[0x10] = psxBios_atoi;
2548 biosA0[0x11] = psxBios_atol;
2549 //biosA0[0x12] = psxBios_atob;
2550 biosA0[0x13] = psxBios_setjmp;
2551 biosA0[0x14] = psxBios_longjmp;
2552 biosA0[0x15] = psxBios_strcat;
2553 biosA0[0x16] = psxBios_strncat;
2554 biosA0[0x17] = psxBios_strcmp;
2555 biosA0[0x18] = psxBios_strncmp;
2556 biosA0[0x19] = psxBios_strcpy;
2557 biosA0[0x1a] = psxBios_strncpy;
2558 biosA0[0x1b] = psxBios_strlen;
2559 biosA0[0x1c] = psxBios_index;
2560 biosA0[0x1d] = psxBios_rindex;
2561 biosA0[0x1e] = psxBios_strchr;
2562 biosA0[0x1f] = psxBios_strrchr;
2563 biosA0[0x20] = psxBios_strpbrk;
2564 biosA0[0x21] = psxBios_strspn;
2565 biosA0[0x22] = psxBios_strcspn;
2566 biosA0[0x23] = psxBios_strtok;
2567 biosA0[0x24] = psxBios_strstr;
2568 biosA0[0x25] = psxBios_toupper;
2569 biosA0[0x26] = psxBios_tolower;
2570 biosA0[0x27] = psxBios_bcopy;
2571 biosA0[0x28] = psxBios_bzero;
2572 biosA0[0x29] = psxBios_bcmp;
2573 biosA0[0x2a] = psxBios_memcpy;
2574 biosA0[0x2b] = psxBios_memset;
2575 biosA0[0x2c] = psxBios_memmove;
2576 biosA0[0x2d] = psxBios_memcmp;
2577 biosA0[0x2e] = psxBios_memchr;
2578 biosA0[0x2f] = psxBios_rand;
2579 biosA0[0x30] = psxBios_srand;
2580 biosA0[0x31] = psxBios_qsort;
2581 //biosA0[0x32] = psxBios_strtod;
2582 biosA0[0x33] = psxBios_malloc;
2583 biosA0[0x34] = psxBios_free;
2584 //biosA0[0x35] = psxBios_lsearch;
2585 //biosA0[0x36] = psxBios_bsearch;
2586 biosA0[0x37] = psxBios_calloc;
2587 biosA0[0x38] = psxBios_realloc;
2588 biosA0[0x39] = psxBios_InitHeap;
2589 //biosA0[0x3a] = psxBios__exit;
2590 biosA0[0x3b] = psxBios_getchar;
2591 biosA0[0x3c] = psxBios_putchar;
2592 //biosA0[0x3d] = psxBios_gets;
2593 //biosA0[0x40] = psxBios_sys_a0_40;
2594 //biosA0[0x41] = psxBios_LoadTest;
2595 biosA0[0x42] = psxBios_Load;
2596 biosA0[0x43] = psxBios_Exec;
2597 biosA0[0x44] = psxBios_FlushCache;
2598 //biosA0[0x45] = psxBios_InstallInterruptHandler;
2599 biosA0[0x46] = psxBios_GPU_dw;
2600 biosA0[0x47] = psxBios_mem2vram;
2601 biosA0[0x48] = psxBios_SendGPU;
2602 biosA0[0x49] = psxBios_GPU_cw;
2603 biosA0[0x4a] = psxBios_GPU_cwb;
2604 biosA0[0x4b] = psxBios_GPU_SendPackets;
2605 biosA0[0x4c] = psxBios_sys_a0_4c;
2606 biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2607 //biosA0[0x4e] = psxBios_GPU_sync;
2608 //biosA0[0x4f] = psxBios_sys_a0_4f;
2609 //biosA0[0x50] = psxBios_sys_a0_50;
2610 biosA0[0x51] = psxBios_LoadExec;
2611 //biosA0[0x52] = psxBios_GetSysSp;
2612 //biosA0[0x53] = psxBios_sys_a0_53;
2613 //biosA0[0x54] = psxBios__96_init_a54;
2614 //biosA0[0x55] = psxBios__bu_init_a55;
2615 //biosA0[0x56] = psxBios__96_remove_a56;
2616 //biosA0[0x57] = psxBios_sys_a0_57;
2617 //biosA0[0x58] = psxBios_sys_a0_58;
2618 //biosA0[0x59] = psxBios_sys_a0_59;
2619 //biosA0[0x5a] = psxBios_sys_a0_5a;
2620 //biosA0[0x5b] = psxBios_dev_tty_init;
2621 //biosA0[0x5c] = psxBios_dev_tty_open;
2622 //biosA0[0x5d] = psxBios_sys_a0_5d;
2623 //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2624 //biosA0[0x5f] = psxBios_dev_cd_open;
2625 //biosA0[0x60] = psxBios_dev_cd_read;
2626 //biosA0[0x61] = psxBios_dev_cd_close;
2627 //biosA0[0x62] = psxBios_dev_cd_firstfile;
2628 //biosA0[0x63] = psxBios_dev_cd_nextfile;
2629 //biosA0[0x64] = psxBios_dev_cd_chdir;
2630 //biosA0[0x65] = psxBios_dev_card_open;
2631 //biosA0[0x66] = psxBios_dev_card_read;
2632 //biosA0[0x67] = psxBios_dev_card_write;
2633 //biosA0[0x68] = psxBios_dev_card_close;
2634 //biosA0[0x69] = psxBios_dev_card_firstfile;
2635 //biosA0[0x6a] = psxBios_dev_card_nextfile;
2636 //biosA0[0x6b] = psxBios_dev_card_erase;
2637 //biosA0[0x6c] = psxBios_dev_card_undelete;
2638 //biosA0[0x6d] = psxBios_dev_card_format;
2639 //biosA0[0x6e] = psxBios_dev_card_rename;
2640 //biosA0[0x6f] = psxBios_dev_card_6f;
2641 biosA0[0x70] = psxBios__bu_init;
2642 biosA0[0x71] = psxBios__96_init;
2643 biosA0[0x72] = psxBios__96_remove;
2644 //biosA0[0x73] = psxBios_sys_a0_73;
2645 //biosA0[0x74] = psxBios_sys_a0_74;
2646 //biosA0[0x75] = psxBios_sys_a0_75;
2647 //biosA0[0x76] = psxBios_sys_a0_76;
2648 //biosA0[0x77] = psxBios_sys_a0_77;
2649 //biosA0[0x78] = psxBios__96_CdSeekL;
2650 //biosA0[0x79] = psxBios_sys_a0_79;
2651 //biosA0[0x7a] = psxBios_sys_a0_7a;
2652 //biosA0[0x7b] = psxBios_sys_a0_7b;
2653 //biosA0[0x7c] = psxBios__96_CdGetStatus;
2654 //biosA0[0x7d] = psxBios_sys_a0_7d;
2655 //biosA0[0x7e] = psxBios__96_CdRead;
2656 //biosA0[0x7f] = psxBios_sys_a0_7f;
2657 //biosA0[0x80] = psxBios_sys_a0_80;
2658 //biosA0[0x81] = psxBios_sys_a0_81;
2659 //biosA0[0x82] = psxBios_sys_a0_82;
2660 //biosA0[0x83] = psxBios_sys_a0_83;
2661 //biosA0[0x84] = psxBios_sys_a0_84;
2662 //biosA0[0x85] = psxBios__96_CdStop;
2663 //biosA0[0x86] = psxBios_sys_a0_86;
2664 //biosA0[0x87] = psxBios_sys_a0_87;
2665 //biosA0[0x88] = psxBios_sys_a0_88;
2666 //biosA0[0x89] = psxBios_sys_a0_89;
2667 //biosA0[0x8a] = psxBios_sys_a0_8a;
2668 //biosA0[0x8b] = psxBios_sys_a0_8b;
2669 //biosA0[0x8c] = psxBios_sys_a0_8c;
2670 //biosA0[0x8d] = psxBios_sys_a0_8d;
2671 //biosA0[0x8e] = psxBios_sys_a0_8e;
2672 //biosA0[0x8f] = psxBios_sys_a0_8f;
2673 //biosA0[0x90] = psxBios_sys_a0_90;
2674 //biosA0[0x91] = psxBios_sys_a0_91;
2675 //biosA0[0x92] = psxBios_sys_a0_92;
2676 //biosA0[0x93] = psxBios_sys_a0_93;
2677 //biosA0[0x94] = psxBios_sys_a0_94;
2678 //biosA0[0x95] = psxBios_sys_a0_95;
2679 //biosA0[0x96] = psxBios_AddCDROMDevice;
2680 //biosA0[0x97] = psxBios_AddMemCardDevide;
2681 //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2682 //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2683 //biosA0[0x9a] = psxBios_sys_a0_9a;
2684 //biosA0[0x9b] = psxBios_sys_a0_9b;
2685 //biosA0[0x9c] = psxBios_SetConf;
2686 //biosA0[0x9d] = psxBios_GetConf;
2687 //biosA0[0x9e] = psxBios_sys_a0_9e;
2688 biosA0[0x9f] = psxBios_SetMem;
2689 //biosA0[0xa0] = psxBios__boot;
2690 //biosA0[0xa1] = psxBios_SystemError;
2691 //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2692 //biosA0[0xa3] = psxBios_DequeueCdIntr;
2693 //biosA0[0xa4] = psxBios_sys_a0_a4;
2694 //biosA0[0xa5] = psxBios_ReadSector;
2695 //biosA0[0xa6] = psxBios_get_cd_status;
2696 //biosA0[0xa7] = psxBios_bufs_cb_0;
2697 //biosA0[0xa8] = psxBios_bufs_cb_1;
2698 //biosA0[0xa9] = psxBios_bufs_cb_2;
2699 //biosA0[0xaa] = psxBios_bufs_cb_3;
2700 biosA0[0xab] = psxBios__card_info;
2701 biosA0[0xac] = psxBios__card_load;
2702 //biosA0[0axd] = psxBios__card_auto;
2703 //biosA0[0xae] = psxBios_bufs_cd_4;
2704 //biosA0[0xaf] = psxBios_sys_a0_af;
2705 //biosA0[0xb0] = psxBios_sys_a0_b0;
2706 //biosA0[0xb1] = psxBios_sys_a0_b1;
2707 //biosA0[0xb2] = psxBios_do_a_long_jmp
2708 //biosA0[0xb3] = psxBios_sys_a0_b3;
2709 //biosA0[0xb4] = psxBios_sub_function;
2710//*******************B0 CALLS****************************
2711 //biosB0[0x00] = psxBios_SysMalloc;
2712 //biosB0[0x01] = psxBios_sys_b0_01;
2713 biosB0[0x02] = psxBios_SetRCnt;
2714 biosB0[0x03] = psxBios_GetRCnt;
2715 biosB0[0x04] = psxBios_StartRCnt;
2716 biosB0[0x05] = psxBios_StopRCnt;
2717 biosB0[0x06] = psxBios_ResetRCnt;
2718 biosB0[0x07] = psxBios_DeliverEvent;
2719 biosB0[0x08] = psxBios_OpenEvent;
2720 biosB0[0x09] = psxBios_CloseEvent;
2721 biosB0[0x0a] = psxBios_WaitEvent;
2722 biosB0[0x0b] = psxBios_TestEvent;
2723 biosB0[0x0c] = psxBios_EnableEvent;
2724 biosB0[0x0d] = psxBios_DisableEvent;
2725 biosB0[0x0e] = psxBios_OpenTh;
2726 biosB0[0x0f] = psxBios_CloseTh;
2727 biosB0[0x10] = psxBios_ChangeTh;
2728 //biosB0[0x11] = psxBios_psxBios_b0_11;
2729 biosB0[0x12] = psxBios_InitPAD;
2730 biosB0[0x13] = psxBios_StartPAD;
2731 biosB0[0x14] = psxBios_StopPAD;
2732 biosB0[0x15] = psxBios_PAD_init;
2733 biosB0[0x16] = psxBios_PAD_dr;
2734 biosB0[0x17] = psxBios_ReturnFromException;
2735 biosB0[0x18] = psxBios_ResetEntryInt;
2736 biosB0[0x19] = psxBios_HookEntryInt;
2737 //biosB0[0x1a] = psxBios_sys_b0_1a;
2738 //biosB0[0x1b] = psxBios_sys_b0_1b;
2739 //biosB0[0x1c] = psxBios_sys_b0_1c;
2740 //biosB0[0x1d] = psxBios_sys_b0_1d;
2741 //biosB0[0x1e] = psxBios_sys_b0_1e;
2742 //biosB0[0x1f] = psxBios_sys_b0_1f;
2743 biosB0[0x20] = psxBios_UnDeliverEvent;
2744 //biosB0[0x21] = psxBios_sys_b0_21;
2745 //biosB0[0x22] = psxBios_sys_b0_22;
2746 //biosB0[0x23] = psxBios_sys_b0_23;
2747 //biosB0[0x24] = psxBios_sys_b0_24;
2748 //biosB0[0x25] = psxBios_sys_b0_25;
2749 //biosB0[0x26] = psxBios_sys_b0_26;
2750 //biosB0[0x27] = psxBios_sys_b0_27;
2751 //biosB0[0x28] = psxBios_sys_b0_28;
2752 //biosB0[0x29] = psxBios_sys_b0_29;
2753 //biosB0[0x2a] = psxBios_sys_b0_2a;
2754 //biosB0[0x2b] = psxBios_sys_b0_2b;
2755 //biosB0[0x2c] = psxBios_sys_b0_2c;
2756 //biosB0[0x2d] = psxBios_sys_b0_2d;
2757 //biosB0[0x2e] = psxBios_sys_b0_2e;
2758 //biosB0[0x2f] = psxBios_sys_b0_2f;
2759 //biosB0[0x30] = psxBios_sys_b0_30;
2760 //biosB0[0x31] = psxBios_sys_b0_31;
2761 biosB0[0x32] = psxBios_open;
2762 biosB0[0x33] = psxBios_lseek;
2763 biosB0[0x34] = psxBios_read;
2764 biosB0[0x35] = psxBios_write;
2765 biosB0[0x36] = psxBios_close;
2766 //biosB0[0x37] = psxBios_ioctl;
2767 //biosB0[0x38] = psxBios_exit;
2768 //biosB0[0x39] = psxBios_sys_b0_39;
2769 //biosB0[0x3a] = psxBios_getc;
2770 //biosB0[0x3b] = psxBios_putc;
2771 biosB0[0x3c] = psxBios_getchar;
2772 //biosB0[0x3e] = psxBios_gets;
2773 //biosB0[0x40] = psxBios_cd;
e7e1f572 2774 biosB0[0x41] = psxBios_format;
ef79bbde
P		 2775 biosB0[0x42] = psxBios_firstfile;
2776 biosB0[0x43] = psxBios_nextfile;
2777 biosB0[0x44] = psxBios_rename;
2778 biosB0[0x45] = psxBios_delete;
2779 //biosB0[0x46] = psxBios_undelete;
2780 //biosB0[0x47] = psxBios_AddDevice;
2781 //biosB0[0x48] = psxBios_RemoteDevice;
2782 //biosB0[0x49] = psxBios_PrintInstalledDevices;
2783 biosB0[0x4a] = psxBios_InitCARD;
2784 biosB0[0x4b] = psxBios_StartCARD;
2785 biosB0[0x4c] = psxBios_StopCARD;
2786 //biosB0[0x4d] = psxBios_sys_b0_4d;
2787 biosB0[0x4e] = psxBios__card_write;
2788 biosB0[0x4f] = psxBios__card_read;
2789 biosB0[0x50] = psxBios__new_card;
2790 biosB0[0x51] = psxBios_Krom2RawAdd;
2791 //biosB0[0x52] = psxBios_sys_b0_52;
2792 //biosB0[0x53] = psxBios_sys_b0_53;
2793 //biosB0[0x54] = psxBios__get_errno;
2794 //biosB0[0x55] = psxBios__get_error;
2795 biosB0[0x56] = psxBios_GetC0Table;
2796 biosB0[0x57] = psxBios_GetB0Table;
e9fda093 2797 biosB0[0x58] = psxBios__card_chan;
ef79bbde
P		 2798 //biosB0[0x59] = psxBios_sys_b0_59;
2799 //biosB0[0x5a] = psxBios_sys_b0_5a;
2800 biosB0[0x5b] = psxBios_ChangeClearPad;
2801 //biosB0[0x5c] = psxBios__card_status;
2802 //biosB0[0x5d] = psxBios__card_wait;
2803//*******************C0 CALLS****************************
2804 //biosC0[0x00] = psxBios_InitRCnt;
2805 //biosC0[0x01] = psxBios_InitException;
2806 biosC0[0x02] = psxBios_SysEnqIntRP;
2807 biosC0[0x03] = psxBios_SysDeqIntRP;
2808 //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2809 //biosC0[0x05] = psxBios_get_free_TCB_slot;
2810 //biosC0[0x06] = psxBios_ExceptionHandler;
2811 //biosC0[0x07] = psxBios_InstallExeptionHandler;
2812 //biosC0[0x08] = psxBios_SysInitMemory;
2813 //biosC0[0x09] = psxBios_SysInitKMem;
2814 biosC0[0x0a] = psxBios_ChangeClearRCnt;
2815 //biosC0[0x0b] = psxBios_SystemError;
2816 //biosC0[0x0c] = psxBios_InitDefInt;
2817 //biosC0[0x0d] = psxBios_sys_c0_0d;
2818 //biosC0[0x0e] = psxBios_sys_c0_0e;
2819 //biosC0[0x0f] = psxBios_sys_c0_0f;
2820 //biosC0[0x10] = psxBios_sys_c0_10;
2821 //biosC0[0x11] = psxBios_sys_c0_11;
2822 //biosC0[0x12] = psxBios_InstallDevices;
2823 //biosC0[0x13] = psxBios_FlushStfInOutPut;
2824 //biosC0[0x14] = psxBios_sys_c0_14;
2825 //biosC0[0x15] = psxBios__cdevinput;
2826 //biosC0[0x16] = psxBios__cdevscan;
2827 //biosC0[0x17] = psxBios__circgetc;
2828 //biosC0[0x18] = psxBios__circputc;
2829 //biosC0[0x19] = psxBios_ioabort;
2830 //biosC0[0x1a] = psxBios_sys_c0_1a
2831 //biosC0[0x1b] = psxBios_KernelRedirect;
2832 //biosC0[0x1c] = psxBios_PatchAOTable;
2833//************** THE END ***************************************
2834/**/
2835 base = 0x1000;
2836 size = sizeof(EvCB) * 32;
2837 Event = (void *)&psxR[base]; base += size * 6;
2838 memset(Event, 0, size * 6);
2839 HwEV = Event;
2840 EvEV = Event + 32;
2841 RcEV = Event + 32 * 2;
2842 UeEV = Event + 32 * 3;
2843 SwEV = Event + 32 * 4;
2844 ThEV = Event + 32 * 5;
2845
2846 ptr = (u32 *)&psxM[0x0874]; // b0 table
2847 ptr[0] = SWAPu32(0x4c54 - 0x884);
2848
2849 ptr = (u32 *)&psxM[0x0674]; // c0 table
2850 ptr[6] = SWAPu32(0xc80);
2851
2852 memset(SysIntRP, 0, sizeof(SysIntRP));
2853 memset(Thread, 0, sizeof(Thread));
2854 Thread[0].status = 2; // main thread
2855
c62b43c9 2856 jmp_int = NULL;
2857 pad_buf = NULL;
2858 pad_buf1 = NULL;
2859 pad_buf2 = NULL;
2860 pad_buf1len = pad_buf2len = 0;
2861 heap_addr = NULL;
2862 heap_end = NULL;
2863 CardState = -1;
2864 CurThread = 0;
2865 memset(FDesc, 0, sizeof(FDesc));
2866
ef79bbde
P		 2867 psxMu32ref(0x0150) = SWAPu32(0x160);
2868 psxMu32ref(0x0154) = SWAPu32(0x320);
2869 psxMu32ref(0x0160) = SWAPu32(0x248);
2870 strcpy((char *)&psxM[0x248], "bu");
2871/* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
2872 psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
2873 psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
2874 psxMu32ref(0x09e0) = SWAPu32(0x43d0);
2875 psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
2876*/
2877 // opcode HLE
2878 psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
2879 psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
2880 psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
2881 psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
2882 psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
2883 psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
2884 psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
2885 psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
2886 psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
2887 psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
2888
2889 // initial stack pointer for BIOS interrupt
2890 psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
2891
2892 // initial RNG seed
2893 psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
2894
2895 // fonts
2896 len = 0x80000 - 0x66000;
2897 uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
2898 len = 0x80000 - 0x69d68;
2899 uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
2900
2901 // memory size 2 MB
2902 psxHu32ref(0x1060) = SWAPu32(0x00000b88);
2903
2904 hleSoftCall = FALSE;
2905}
2906
2907void psxBiosShutdown() {
2908}
2909
2910#define psxBios_PADpoll(pad) { \
2911 PAD##pad##_startPoll(pad); \
2912 pad_buf##pad[0] = 0; \
2913 pad_buf##pad[1] = PAD##pad##_poll(0x42); \
2914 if (!(pad_buf##pad[1] & 0x0f)) { \
2915 bufcount = 32; \
2916 } else { \
2917 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
2918 } \
2919 PAD##pad##_poll(0); \
2920 i = 2; \
2921 while (bufcount--) { \
2922 pad_buf##pad[i++] = PAD##pad##_poll(0); \
2923 } \
2924}
2925
2926void biosInterrupt() {
2927 int i, bufcount;
2928
2929// if (psxHu32(0x1070) & 0x1) { // Vsync
2930 if (pad_buf != NULL) {
2931 u32 *buf = (u32*)pad_buf;
2932
2933 if (!Config.UseNet) {
2934 PAD1_startPoll(1);
2935 if (PAD1_poll(0x42) == 0x23) {
2936 PAD1_poll(0);
2937 *buf = PAD1_poll(0) << 8;
2938 *buf |= PAD1_poll(0);
2939 PAD1_poll(0);
2940 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
2941 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
2942 } else {
2943 PAD1_poll(0);
2944 *buf = PAD1_poll(0) << 8;
2945 *buf|= PAD1_poll(0);
2946 }
2947
2948 PAD2_startPoll(2);
2949 if (PAD2_poll(0x42) == 0x23) {
2950 PAD2_poll(0);
2951 *buf |= PAD2_poll(0) << 24;
2952 *buf |= PAD2_poll(0) << 16;
2953 PAD2_poll(0);
2954 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
2955 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
2956 } else {
2957 PAD2_poll(0);
2958 *buf |= PAD2_poll(0) << 24;
2959 *buf |= PAD2_poll(0) << 16;
2960 }
2961 } else {
2962 u16 data;
2963
2964 PAD1_startPoll(1);
2965 PAD1_poll(0x42);
2966 PAD1_poll(0);
2967 data = PAD1_poll(0) << 8;
2968 data |= PAD1_poll(0);
2969
2970 if (NET_sendPadData(&data, 2) == -1)
2971 netError();
2972
2973 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
2974 netError();
2975 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
2976 netError();
2977 }
2978 }
2979 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
2980 psxBios_PADpoll(1);
2981
2982 if (NET_sendPadData(pad_buf1, i) == -1)
2983 netError();
2984
2985 if (NET_recvPadData(pad_buf1, 1) == -1)
2986 netError();
2987 if (NET_recvPadData(pad_buf2, 2) == -1)
2988 netError();
2989 } else {
2990 if (pad_buf1) {
2991 psxBios_PADpoll(1);
2992 }
2993
2994 if (pad_buf2) {
2995 psxBios_PADpoll(2);
2996 }
2997 }
2998
2999 if (psxHu32(0x1070) & 0x1) { // Vsync
3000 if (RcEV[3][1].status == EvStACTIVE) {
3001 softCall(RcEV[3][1].fhandler);
3002// hwWrite32(0x1f801070, ~(1));
3003 }
3004 }
3005
3006 if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
3007 int i;
3008
3009 for (i = 0; i < 3; i++) {
3010 if (psxHu32(0x1070) & (1 << (i + 4))) {
3011 if (RcEV[i][1].status == EvStACTIVE) {
3012 softCall(RcEV[i][1].fhandler);
3013 }
3014 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
3015 }
3016 }
3017 }
3018}
3019
3020void psxBiosException() {
3021 int i;
3022
3023 switch (psxRegs.CP0.n.Cause & 0x3c) {
3024 case 0x00: // Interrupt
3025#ifdef PSXCPU_LOG
3026// PSXCPU_LOG("interrupt\n");
3027#endif
3028 SaveRegs();
3029
3030 sp = psxMu32(0x6c80); // create new stack for interrupt handlers
3031
3032 biosInterrupt();
3033
3034 for (i = 0; i < 8; i++) {
3035 if (SysIntRP[i]) {
3036 u32 *queue = (u32 *)PSXM(SysIntRP[i]);
3037
3038 s0 = queue[2];
3039 softCall(queue[1]);
3040 }
3041 }
3042
3043 if (jmp_int != NULL) {
3044 int i;
3045
3046 psxHwWrite32(0x1f801070, 0xffffffff);
3047
3048 ra = jmp_int[0];
3049 sp = jmp_int[1];
3050 fp = jmp_int[2];
3051 for (i = 0; i < 8; i++) // s0-s7
3052 psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
3053 gp = jmp_int[11];
3054
3055 v0 = 1;
3056 pc0 = ra;
3057 return;
3058 }
3059 psxHwWrite16(0x1f801070, 0);
3060 break;
3061
3062 case 0x20: // Syscall
3063#ifdef PSXCPU_LOG
3064 PSXCPU_LOG("syscall exp %x\n", a0);
3065#endif
3066 switch (a0) {
3067 case 1: // EnterCritical - disable irq's
79dad1b3 3068 /* Fixes Medievil 2 not loading up new game, Digimon World not booting up and possibly others */
3069 v0 = (psxRegs.CP0.n.Status & 0x404) == 0x404;
3070 psxRegs.CP0.n.Status &= ~0x404;
ef79bbde
P		 3071 break;
3072
3073 case 2: // ExitCritical - enable irq's
3074 psxRegs.CP0.n.Status |= 0x404;
3075 break;
3076 }
3077 pc0 = psxRegs.CP0.n.EPC + 4;
3078
3079 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3080 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3081 return;
3082
3083 default:
3084#ifdef PSXCPU_LOG
3085 PSXCPU_LOG("unknown bios exception!\n");
3086#endif
3087 break;
3088 }
3089
3090 pc0 = psxRegs.CP0.n.EPC;
3091 if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
3092
3093 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3094 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3095}
3096
3097#define bfreeze(ptr, size) { \
3098 if (Mode == 1) memcpy(&psxR[base], ptr, size); \
3099 if (Mode == 0) memcpy(ptr, &psxR[base], size); \
3100 base += size; \
3101}
3102
3103#define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
3104#define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
3105
3106#define bfreezepsxMptr(ptr, type) { \
3107 if (Mode == 1) { \
3108 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
3109 else psxRu32ref(base) = 0; \
3110 } else { \
3111 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
3112 else (ptr) = NULL; \
3113 } \
3114 base += sizeof(u32); \
3115}
3116
3117void psxBiosFreeze(int Mode) {
3118 u32 base = 0x40000;
3119
3120 bfreezepsxMptr(jmp_int, u32);
3121 bfreezepsxMptr(pad_buf, int);
3122 bfreezepsxMptr(pad_buf1, char);
3123 bfreezepsxMptr(pad_buf2, char);
3124 bfreezepsxMptr(heap_addr, u32);
3125 bfreezel(&pad_buf1len);
3126 bfreezel(&pad_buf2len);
3127 bfreezes(regs);
3128 bfreezes(SysIntRP);
3129 bfreezel(&CardState);
3130 bfreezes(Thread);
3131 bfreezel(&CurThread);
3132 bfreezes(FDesc);
e9fda093 3133 bfreezel(&card_active_chan);
ef79bbde 3134}
ARM optimized PCSX fork