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psxbios : Add checks to memset.
[pcsx_rearmed.git] / libpcsxcore / psxbios.c
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ef79bbde
P		 1/***************************************************************************
2 * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team *
3 * *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation; either version 2 of the License, or *
7 * (at your option) any later version. *
8 * *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
13 * *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. *
18 ***************************************************************************/
19
20/*
21 * Internal simulated HLE BIOS.
22 */
23
24// TODO: implement all system calls, count the exact CPU cycles of system calls.
25
26#include "psxbios.h"
27#include "psxhw.h"
ddbaf678 28#include "gpu.h"
496d88d4 29#include <zlib.h>
ef79bbde 30
452b85f9 31#undef SysPrintf
32#define SysPrintf if (Config.PsxOut) printf
33
ef79bbde
P		 34char *biosA0n[256] = {
35// 0x00
36 "open", "lseek", "read", "write",
37 "close", "ioctl", "exit", "sys_a0_07",
38 "getc", "putc", "todigit", "atof",
39 "strtoul", "strtol", "abs", "labs",
40// 0x10
41 "atoi", "atol", "atob", "setjmp",
42 "longjmp", "strcat", "strncat", "strcmp",
43 "strncmp", "strcpy", "strncpy", "strlen",
44 "index", "rindex", "strchr", "strrchr",
45// 0x20
46 "strpbrk", "strspn", "strcspn", "strtok",
47 "strstr", "toupper", "tolower", "bcopy",
48 "bzero", "bcmp", "memcpy", "memset",
49 "memmove", "memcmp", "memchr", "rand",
50// 0x30
51 "srand", "qsort", "strtod", "malloc",
52 "free", "lsearch", "bsearch", "calloc",
53 "realloc", "InitHeap", "_exit", "getchar",
54 "putchar", "gets", "puts", "printf",
55// 0x40
56 "sys_a0_40", "LoadTest", "Load", "Exec",
57 "FlushCache", "InstallInterruptHandler", "GPU_dw", "mem2vram",
58 "SendGPUStatus", "GPU_cw", "GPU_cwb", "SendPackets",
59 "sys_a0_4c", "GetGPUStatus", "GPU_sync", "sys_a0_4f",
60// 0x50
61 "sys_a0_50", "LoadExec", "GetSysSp", "sys_a0_53",
62 "_96_init()", "_bu_init()", "_96_remove()", "sys_a0_57",
63 "sys_a0_58", "sys_a0_59", "sys_a0_5a", "dev_tty_init",
64 "dev_tty_open", "sys_a0_5d", "dev_tty_ioctl","dev_cd_open",
65// 0x60
66 "dev_cd_read", "dev_cd_close", "dev_cd_firstfile", "dev_cd_nextfile",
67 "dev_cd_chdir", "dev_card_open", "dev_card_read", "dev_card_write",
68 "dev_card_close", "dev_card_firstfile", "dev_card_nextfile","dev_card_erase",
69 "dev_card_undelete","dev_card_format", "dev_card_rename", "dev_card_6f",
70// 0x70
71 "_bu_init", "_96_init", "_96_remove", "sys_a0_73",
72 "sys_a0_74", "sys_a0_75", "sys_a0_76", "sys_a0_77",
73 "_96_CdSeekL", "sys_a0_79", "sys_a0_7a", "sys_a0_7b",
74 "_96_CdGetStatus", "sys_a0_7d", "_96_CdRead", "sys_a0_7f",
75// 0x80
76 "sys_a0_80", "sys_a0_81", "sys_a0_82", "sys_a0_83",
77 "sys_a0_84", "_96_CdStop", "sys_a0_86", "sys_a0_87",
78 "sys_a0_88", "sys_a0_89", "sys_a0_8a", "sys_a0_8b",
79 "sys_a0_8c", "sys_a0_8d", "sys_a0_8e", "sys_a0_8f",
80// 0x90
81 "sys_a0_90", "sys_a0_91", "sys_a0_92", "sys_a0_93",
82 "sys_a0_94", "sys_a0_95", "AddCDROMDevice", "AddMemCardDevide",
83 "DisableKernelIORedirection", "EnableKernelIORedirection", "sys_a0_9a", "sys_a0_9b",
84 "SetConf", "GetConf", "sys_a0_9e", "SetMem",
85// 0xa0
86 "_boot", "SystemError", "EnqueueCdIntr", "DequeueCdIntr",
87 "sys_a0_a4", "ReadSector", "get_cd_status", "bufs_cb_0",
88 "bufs_cb_1", "bufs_cb_2", "bufs_cb_3", "_card_info",
89 "_card_load", "_card_auto", "bufs_cd_4", "sys_a0_af",
90// 0xb0
91 "sys_a0_b0", "sys_a0_b1", "do_a_long_jmp", "sys_a0_b3",
92 "?? sub_function",
93};
94
95char *biosB0n[256] = {
96// 0x00
97 "SysMalloc", "sys_b0_01", "sys_b0_02", "sys_b0_03",
98 "sys_b0_04", "sys_b0_05", "sys_b0_06", "DeliverEvent",
99 "OpenEvent", "CloseEvent", "WaitEvent", "TestEvent",
100 "EnableEvent", "DisableEvent", "OpenTh", "CloseTh",
101// 0x10
102 "ChangeTh", "sys_b0_11", "InitPAD", "StartPAD",
103 "StopPAD", "PAD_init", "PAD_dr", "ReturnFromExecption",
104 "ResetEntryInt", "HookEntryInt", "sys_b0_1a", "sys_b0_1b",
105 "sys_b0_1c", "sys_b0_1d", "sys_b0_1e", "sys_b0_1f",
106// 0x20
107 "UnDeliverEvent", "sys_b0_21", "sys_b0_22", "sys_b0_23",
108 "sys_b0_24", "sys_b0_25", "sys_b0_26", "sys_b0_27",
109 "sys_b0_28", "sys_b0_29", "sys_b0_2a", "sys_b0_2b",
110 "sys_b0_2c", "sys_b0_2d", "sys_b0_2e", "sys_b0_2f",
111// 0x30
112 "sys_b0_30", "sys_b0_31", "open", "lseek",
113 "read", "write", "close", "ioctl",
114 "exit", "sys_b0_39", "getc", "putc",
115 "getchar", "putchar", "gets", "puts",
116// 0x40
117 "cd", "format", "firstfile", "nextfile",
118 "rename", "delete", "undelete", "AddDevice",
119 "RemoteDevice", "PrintInstalledDevices", "InitCARD", "StartCARD",
120 "StopCARD", "sys_b0_4d", "_card_write", "_card_read",
121// 0x50
122 "_new_card", "Krom2RawAdd", "sys_b0_52", "sys_b0_53",
123 "_get_errno", "_get_error", "GetC0Table", "GetB0Table",
124 "_card_chan", "sys_b0_59", "sys_b0_5a", "ChangeClearPAD",
125 "_card_status", "_card_wait",
126};
127
128char *biosC0n[256] = {
129// 0x00
130 "InitRCnt", "InitException", "SysEnqIntRP", "SysDeqIntRP",
131 "get_free_EvCB_slot", "get_free_TCB_slot", "ExceptionHandler", "InstallExeptionHandler",
132 "SysInitMemory", "SysInitKMem", "ChangeClearRCnt", "SystemError",
133 "InitDefInt", "sys_c0_0d", "sys_c0_0e", "sys_c0_0f",
134// 0x10
135 "sys_c0_10", "sys_c0_11", "InstallDevices", "FlushStfInOutPut",
136 "sys_c0_14", "_cdevinput", "_cdevscan", "_circgetc",
137 "_circputc", "ioabort", "sys_c0_1a", "KernelRedirect",
138 "PatchAOTable",
139};
140
141//#define r0 (psxRegs.GPR.n.r0)
142#define at (psxRegs.GPR.n.at)
143#define v0 (psxRegs.GPR.n.v0)
144#define v1 (psxRegs.GPR.n.v1)
145#define a0 (psxRegs.GPR.n.a0)
146#define a1 (psxRegs.GPR.n.a1)
147#define a2 (psxRegs.GPR.n.a2)
148#define a3 (psxRegs.GPR.n.a3)
149#define t0 (psxRegs.GPR.n.t0)
150#define t1 (psxRegs.GPR.n.t1)
151#define t2 (psxRegs.GPR.n.t2)
152#define t3 (psxRegs.GPR.n.t3)
153#define t4 (psxRegs.GPR.n.t4)
154#define t5 (psxRegs.GPR.n.t5)
155#define t6 (psxRegs.GPR.n.t6)
156#define t7 (psxRegs.GPR.n.t7)
157#define t8 (psxRegs.GPR.n.t8)
158#define t9 (psxRegs.GPR.n.t9)
159#define s0 (psxRegs.GPR.n.s0)
160#define s1 (psxRegs.GPR.n.s1)
161#define s2 (psxRegs.GPR.n.s2)
162#define s3 (psxRegs.GPR.n.s3)
163#define s4 (psxRegs.GPR.n.s4)
164#define s5 (psxRegs.GPR.n.s5)
165#define s6 (psxRegs.GPR.n.s6)
166#define s7 (psxRegs.GPR.n.s7)
167#define k0 (psxRegs.GPR.n.k0)
168#define k1 (psxRegs.GPR.n.k1)
169#define gp (psxRegs.GPR.n.gp)
170#define sp (psxRegs.GPR.n.sp)
171#define fp (psxRegs.GPR.n.s8)
172#define ra (psxRegs.GPR.n.ra)
173#define pc0 (psxRegs.pc)
174
175#define Ra0 ((char *)PSXM(a0))
176#define Ra1 ((char *)PSXM(a1))
177#define Ra2 ((char *)PSXM(a2))
178#define Ra3 ((char *)PSXM(a3))
179#define Rv0 ((char *)PSXM(v0))
180#define Rsp ((char *)PSXM(sp))
181
182typedef struct {
183 u32 desc;
184 s32 status;
185 s32 mode;
186 u32 fhandler;
187} EvCB[32];
188
189#define EvStUNUSED 0x0000
190#define EvStWAIT 0x1000
191#define EvStACTIVE 0x2000
192#define EvStALREADY 0x4000
193
194#define EvMdINTR 0x1000
195#define EvMdNOINTR 0x2000
196
197/*
198typedef struct {
199 s32 next;
200 s32 func1;
201 s32 func2;
202 s32 pad;
203} SysRPst;
204*/
205
206typedef struct {
207 s32 status;
208 s32 mode;
209 u32 reg[32];
210 u32 func;
211} TCB;
212
213typedef struct {
214 u32 _pc0;
215 u32 gp0;
216 u32 t_addr;
217 u32 t_size;
218 u32 d_addr;
219 u32 d_size;
220 u32 b_addr;
221 u32 b_size;
222 u32 S_addr;
223 u32 s_size;
224 u32 _sp, _fp, _gp, ret, base;
225} EXEC;
226
227struct DIRENTRY {
228 char name[20];
229 s32 attr;
230 s32 size;
231 u32 next;
232 s32 head;
233 char system[4];
234};
235
236typedef struct {
237 char name[32];
238 u32 mode;
239 u32 offset;
240 u32 size;
241 u32 mcfile;
242} FileDesc;
243
244static u32 *jmp_int = NULL;
245static int *pad_buf = NULL;
246static char *pad_buf1 = NULL, *pad_buf2 = NULL;
247static int pad_buf1len, pad_buf2len;
248
249static u32 regs[35];
250static EvCB *Event;
251static EvCB *HwEV; // 0xf0
252static EvCB *EvEV; // 0xf1
253static EvCB *RcEV; // 0xf2
254static EvCB *UeEV; // 0xf3
255static EvCB *SwEV; // 0xf4
256static EvCB *ThEV; // 0xff
257static u32 *heap_addr = NULL;
258static u32 *heap_end = NULL;
259static u32 SysIntRP[8];
260static int CardState = -1;
261static TCB Thread[8];
262static int CurThread = 0;
263static FileDesc FDesc[32];
e9fda093 264static u32 card_active_chan;
ef79bbde
P		 265
266boolean hleSoftCall = FALSE;
267
268static inline void softCall(u32 pc) {
269 pc0 = pc;
270 ra = 0x80001000;
271
272 hleSoftCall = TRUE;
273
274 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
275
276 hleSoftCall = FALSE;
277}
278
279static inline void softCall2(u32 pc) {
280 u32 sra = ra;
281 pc0 = pc;
282 ra = 0x80001000;
283
284 hleSoftCall = TRUE;
285
286 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
287 ra = sra;
288
289 hleSoftCall = FALSE;
290}
291
292static inline void DeliverEvent(u32 ev, u32 spec) {
293 if (Event[ev][spec].status != EvStACTIVE) return;
294
295// Event[ev][spec].status = EvStALREADY;
296 if (Event[ev][spec].mode == EvMdINTR) {
297 softCall2(Event[ev][spec].fhandler);
298 } else Event[ev][spec].status = EvStALREADY;
299}
300
301static inline void SaveRegs() {
302 memcpy(regs, psxRegs.GPR.r, 32*4);
303 regs[32] = psxRegs.GPR.n.lo;
304 regs[33] = psxRegs.GPR.n.hi;
305 regs[34] = psxRegs.pc;
306}
307
308static inline void LoadRegs() {
309 memcpy(psxRegs.GPR.r, regs, 32*4);
310 psxRegs.GPR.n.lo = regs[32];
311 psxRegs.GPR.n.hi = regs[33];
312}
313
314/* *
315// *
316// *
317// System calls A0 */
318
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;
3f28b64f 808 v0 = a0;
809 if (a2 > 0x7FFFFFFF || a2 == 0)
810 {
811 v0 = 0;
812 pc0 = ra;
813 return;
814 }
815 if (a0 == 0)
816 {
817 pc0 = ra;
818 return;
819 }
5ec7acdf 820 while ((s32)a2-- > 0) *p++ = (char)a1;
5ec7acdf 821 a2 = 0;
ef79bbde
P		 822 v0 = a0; pc0 = ra;
823}
824
825void psxBios_memmove() { // 0x2c
826 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
827
828 if (p2 <= p1 && p2 + a2 > p1) {
829 a2++; // BUG: copy one more byte here
830 p1 += a2;
831 p2 += a2;
5ec7acdf 832 while ((s32)a2-- > 0) *--p1 = *--p2;
ef79bbde 833 } else {
5ec7acdf 834 while ((s32)a2-- > 0) *p1++ = *p2++;
ef79bbde
P		 835 }
836
837 v0 = a0; pc0 = ra;
838}
839
840void psxBios_memcmp() { // 0x2d
841 psxBios_bcmp();
842}
843
844void psxBios_memchr() { // 0x2e
845 char *p = (char *)Ra0;
846
5ec7acdf 847 while ((s32)a2-- > 0) {
ef79bbde
P		 848 if (*p++ != (s8)a1) continue;
849 v0 = a0 + (p - (char *)Ra0 - 1);
850 pc0 = ra;
851 return;
852 }
853
854 v0 = 0; pc0 = ra;
855}
856
857void psxBios_rand() { // 0x2f
858 u32 s = psxMu32(0x9010) * 1103515245 + 12345;
859 v0 = (s >> 16) & 0x7fff;
860 psxMu32ref(0x9010) = SWAPu32(s);
861 pc0 = ra;
862}
863
864void psxBios_srand() { // 0x30
865 psxMu32ref(0x9010) = SWAPu32(a0);
866 pc0 = ra;
867}
868
869static u32 qscmpfunc, qswidth;
870
871static inline int qscmp(char *a, char *b) {
872 u32 sa0 = a0;
873
874 a0 = sa0 + (a - (char *)PSXM(sa0));
875 a1 = sa0 + (b - (char *)PSXM(sa0));
876
877 softCall2(qscmpfunc);
878
879 a0 = sa0;
880 return (s32)v0;
881}
882
883static inline void qexchange(char *i, char *j) {
884 char t;
885 int n = qswidth;
886
887 do {
888 t = *i;
889 *i++ = *j;
890 *j++ = t;
891 } while (--n);
892}
893
894static inline void q3exchange(char *i, char *j, char *k) {
895 char t;
896 int n = qswidth;
897
898 do {
899 t = *i;
900 *i++ = *k;
901 *k++ = *j;
902 *j++ = t;
903 } while (--n);
904}
905
906static void qsort_main(char *a, char *l) {
907 char *i, *j, *lp, *hp;
908 int c;
909 unsigned int n;
910
911start:
912 if ((n = l - a) <= qswidth)
913 return;
914 n = qswidth * (n / (2 * qswidth));
915 hp = lp = a + n;
916 i = a;
917 j = l - qswidth;
918 while (TRUE) {
919 if (i < lp) {
920 if ((c = qscmp(i, lp)) == 0) {
921 qexchange(i, lp -= qswidth);
922 continue;
923 }
924 if (c < 0) {
925 i += qswidth;
926 continue;
927 }
928 }
929
930loop:
931 if (j > hp) {
932 if ((c = qscmp(hp, j)) == 0) {
933 qexchange(hp += qswidth, j);
934 goto loop;
935 }
936 if (c > 0) {
937 if (i == lp) {
938 q3exchange(i, hp += qswidth, j);
939 i = lp += qswidth;
940 goto loop;
941 }
942 qexchange(i, j);
943 j -= qswidth;
944 i += qswidth;
945 continue;
946 }
947 j -= qswidth;
948 goto loop;
949 }
950
951 if (i == lp) {
952 if (lp - a >= l - hp) {
953 qsort_main(hp + qswidth, l);
954 l = lp;
955 } else {
956 qsort_main(a, lp);
957 a = hp + qswidth;
958 }
959 goto start;
960 }
961
962 q3exchange(j, lp -= qswidth, i);
963 j = hp -= qswidth;
964 }
965}
966
967void psxBios_qsort() { // 0x31
968 qswidth = a2;
969 qscmpfunc = a3;
970 qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
971
972 pc0 = ra;
973}
974
975void psxBios_malloc() { // 0x33
808a13bd 976 unsigned int *chunk, *newchunk = NULL;
977 unsigned int dsize = 0, csize, cstat;
ef79bbde
P		 978 int colflag;
979#ifdef PSXBIOS_LOG
980 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
981#endif
982
983 // scan through heap and combine free chunks of space
984 chunk = heap_addr;
985 colflag = 0;
986 while(chunk < heap_end) {
987 // get size and status of actual chunk
988 csize = ((u32)*chunk) & 0xfffffffc;
989 cstat = ((u32)*chunk) & 1;
990
991 // it's a free chunk
992 if(cstat == 1) {
993 if(colflag == 0) {
994 newchunk = chunk;
995 dsize = csize;
996 colflag = 1; // let's begin a new collection of free memory
997 }
998 else dsize += (csize+4); // add the new size including header
999 }
1000 // not a free chunk: did we start a collection ?
1001 else {
1002 if(colflag == 1) { // collection is over
1003 colflag = 0;
1004 *newchunk = SWAP32(dsize | 1);
1005 }
1006 }
1007
1008 // next chunk
1009 chunk = (u32*)((uptr)chunk + csize + 4);
1010 }
1011 // if neccessary free memory on end of heap
1012 if (colflag == 1)
1013 *newchunk = SWAP32(dsize | 1);
1014
1015 chunk = heap_addr;
1016 csize = ((u32)*chunk) & 0xfffffffc;
1017 cstat = ((u32)*chunk) & 1;
1018 dsize = (a0 + 3) & 0xfffffffc;
1019
1020 // exit on uninitialized heap
1021 if (chunk == NULL) {
1022 SysPrintf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
1023 v0 = 0;
1024 pc0 = ra;
1025 return;
1026 }
1027
1028 // search an unused chunk that is big enough until the end of the heap
1029 while ((dsize > csize || cstat == 0) && chunk < heap_end ) {
1030 chunk = (u32*)((uptr)chunk + csize + 4);
1031 csize = ((u32)*chunk) & 0xfffffffc;
1032 cstat = ((u32)*chunk) & 1;
1033 }
1034
1035 // catch out of memory
1036 if(chunk >= heap_end) { SysPrintf("malloc %x,%x: Out of memory error!\n", v0, a0); v0 = 0; pc0 = ra; return; }
1037
1038 // allocate memory
1039 if(dsize == csize) {
1040 // chunk has same size
1041 *chunk &= 0xfffffffc;
1042 }
1043 else {
1044 // split free chunk
1045 *chunk = SWAP32(dsize);
1046 newchunk = (u32*)((uptr)chunk + dsize + 4);
808a13bd 1047 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
ef79bbde
P		 1048 }
1049
1050 // return pointer to allocated memory
1051 v0 = ((unsigned long)chunk - (unsigned long)psxM) + 4;
1052 v0|= 0x80000000;
1053 SysPrintf ("malloc %x,%x\n", v0, a0);
1054 pc0 = ra;
1055}
1056
1057void psxBios_free() { // 0x34
1058
1059#ifdef PSXBIOS_LOG
1060 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
1061#endif
1062
1063 SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
1064
1065 *(u32*)(Ra0-4) |= 1; // set chunk to free
1066 pc0 = ra;
1067}
1068
1069void psxBios_calloc() { // 0x37
02949f79 1070 void *pv0;
ef79bbde
P		 1071#ifdef PSXBIOS_LOG
1072 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
1073#endif
1074
1075 a0 = a0 * a1;
1076 psxBios_malloc();
02949f79 1077 pv0 = Rv0;
1078 if (pv0)
1079 memset(pv0, 0, a0);
ef79bbde
P		 1080}
1081
1082void psxBios_realloc() { // 0x38
1083 u32 block = a0;
1084 u32 size = a1;
1085#ifdef PSXBIOS_LOG
1086 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
1087#endif
1088
1089 a0 = block;
391b1d5b 1090 /* If "old_buf" is zero, executes malloc(new_size), and returns r2=new_buf (or 0=failed). */
1091 if (block == 0)
1092 {
1093 psxBios_malloc();
1094 }
1095 /* Else, if "new_size" is zero, executes free(old_buf), and returns r2=garbage. */
1096 else if (size == 0)
1097 {
1098 psxBios_free();
1099 }
1100 /* Else, executes malloc(new_size), bcopy(old_buf,new_buf,new_size), and free(old_buf), and returns r2=new_buf (or 0=failed). */
1101 /* Note that it is not quite implemented this way here. */
1102 else
1103 {
1104 psxBios_free();
1105 a0 = size;
1106 psxBios_malloc();
1107 }
ef79bbde
P		 1108}
1109
1110
1111/* InitHeap(void *block , int n) */
1112void psxBios_InitHeap() { // 0x39
1113 unsigned int size;
1114
1115#ifdef PSXBIOS_LOG
1116 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
1117#endif
1118
1119 if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
1120 else size = a1;
1121
1122 size &= 0xfffffffc;
1123
1124 heap_addr = (u32 *)Ra0;
1125 heap_end = (u32 *)((u8 *)heap_addr + size);
1126 *heap_addr = SWAP32(size | 1);
1127
c979c3ee 1128 SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
ef79bbde
P		 1129
1130 pc0 = ra;
1131}
1132
1133void psxBios_getchar() { //0x3b
1134 v0 = getchar(); pc0 = ra;
1135}
1136
1137void psxBios_printf() { // 0x3f
1138 char tmp[1024];
1139 char tmp2[1024];
1140 u32 save[4];
1141 char *ptmp = tmp;
1142 int n=1, i=0, j;
02949f79 1143 void *psp;
1144
1145 psp = PSXM(sp);
1146 if (psp) {
1147 memcpy(save, psp, 4 * 4);
1148 psxMu32ref(sp) = SWAP32((u32)a0);
1149 psxMu32ref(sp + 4) = SWAP32((u32)a1);
1150 psxMu32ref(sp + 8) = SWAP32((u32)a2);
1151 psxMu32ref(sp + 12) = SWAP32((u32)a3);
1152 }
ef79bbde
P		 1153
1154 while (Ra0[i]) {
1155 switch (Ra0[i]) {
1156 case '%':
1157 j = 0;
1158 tmp2[j++] = '%';
1159_start:
1160 switch (Ra0[++i]) {
1161 case '.':
1162 case 'l':
1163 tmp2[j++] = Ra0[i]; goto _start;
1164 default:
1165 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
1166 tmp2[j++] = Ra0[i];
1167 goto _start;
1168 }
1169 break;
1170 }
1171 tmp2[j++] = Ra0[i];
1172 tmp2[j] = 0;
1173
1174 switch (Ra0[i]) {
1175 case 'f': case 'F':
1176 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
1177 case 'a': case 'A':
1178 case 'e': case 'E':
1179 case 'g': case 'G':
1180 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
1181 case 'p':
888468ff 1182 case 'i': case 'u':
ef79bbde
P		 1183 case 'd': case 'D':
1184 case 'o': case 'O':
1185 case 'x': case 'X':
1186 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
1187 case 'c':
1188 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
1189 case 's':
1190 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1191 case '%':
1192 *ptmp++ = Ra0[i]; break;
1193 }
1194 i++;
1195 break;
1196 default:
1197 *ptmp++ = Ra0[i++];
1198 }
1199 }
1200 *ptmp = 0;
1201
02949f79 1202 if (psp)
1203 memcpy(psp, save, 4 * 4);
ef79bbde 1204
808a13bd 1205 SysPrintf("%s", tmp);
ef79bbde
P		 1206
1207 pc0 = ra;
1208}
1209
e7e1f572 1210void psxBios_format() { // 0x41
1211 if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0')
1212 {
1213 CreateMcd(Config.Mcd1);
1214 LoadMcd(1, Config.Mcd1);
1215 v0 = 1;
1216 }
1217 else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0')
1218 {
1219 CreateMcd(Config.Mcd2);
1220 LoadMcd(2, Config.Mcd2);
1221 v0 = 1;
1222 }
1223 else
1224 {
1225 v0 = 0;
1226 }
1227 pc0 = ra;
1228}
1229
ef79bbde
P		 1230/*
1231 * long Load(char *name, struct EXEC *header);
1232 */
1233
1234void psxBios_Load() { // 0x42
1235 EXE_HEADER eheader;
02949f79 1236 void *pa1;
ef79bbde
P		 1237
1238#ifdef PSXBIOS_LOG
1239 PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1240#endif
1241
02949f79 1242 pa1 = Ra1;
1243 if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) {
1244 memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC));
ef79bbde
P		 1245 v0 = 1;
1246 } else v0 = 0;
1247
1248 pc0 = ra;
1249}
1250
1251/*
1252 * int Exec(struct EXEC *header , int argc , char **argv);
1253 */
1254
1255void psxBios_Exec() { // 43
1256 EXEC *header = (EXEC*)Ra0;
1257 u32 tmp;
1258
1259#ifdef PSXBIOS_LOG
1260 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1261#endif
1262
1263 header->_sp = sp;
1264 header->_fp = fp;
1265 header->_sp = sp;
1266 header->_gp = gp;
1267 header->ret = ra;
1268 header->base = s0;
1269
1270 if (header->S_addr != 0) {
1271 tmp = header->S_addr + header->s_size;
1272 sp = tmp;
1273 fp = sp;
1274 }
1275
1276 gp = header->gp0;
1277
1278 s0 = a0;
1279
1280 a0 = a1;
1281 a1 = a2;
1282
1283 ra = 0x8000;
1284 pc0 = header->_pc0;
1285}
1286
1287void psxBios_FlushCache() { // 44
1288#ifdef PSXBIOS_LOG
1289 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1290#endif
1291
1292 pc0 = ra;
1293}
1294
1295void psxBios_GPU_dw() { // 0x46
1296 int size;
1297 s32 *ptr;
1298
1299#ifdef PSXBIOS_LOG
1300 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1301#endif
1302
1303 GPU_writeData(0xa0000000);
1304 GPU_writeData((a1<<16)|(a0&0xffff));
1305 GPU_writeData((a3<<16)|(a2&0xffff));
1306 size = (a2*a3+1)/2;
1307 ptr = (s32*)PSXM(Rsp[4]); //that is correct?
1308 do {
1309 GPU_writeData(SWAP32(*ptr));
1310 ptr++;
1311 } while(--size);
1312
1313 pc0 = ra;
1314}
1315
1316void psxBios_mem2vram() { // 0x47
1317 int size;
1318
1319 GPU_writeData(0xa0000000);
1320 GPU_writeData((a1<<16)|(a0&0xffff));
1321 GPU_writeData((a3<<16)|(a2&0xffff));
1322 size = (a2*a3+1)/2;
1323 GPU_writeStatus(0x04000002);
1324 psxHwWrite32(0x1f8010f4,0);
1325 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1326 psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1327 psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1328 psxHwWrite32(0x1f8010a8,0x01000201);
1329
1330 pc0 = ra;
1331}
1332
1333void psxBios_SendGPU() { // 0x48
1334 GPU_writeStatus(a0);
ddbaf678 1335 gpuSyncPluginSR();
ef79bbde
P		 1336 pc0 = ra;
1337}
1338
1339void psxBios_GPU_cw() { // 0x49
1340 GPU_writeData(a0);
1341 pc0 = ra;
1342}
1343
1344void psxBios_GPU_cwb() { // 0x4a
1345 s32 *ptr = (s32*)Ra0;
1346 int size = a1;
1347 while(size--) {
1348 GPU_writeData(SWAP32(*ptr));
1349 ptr++;
1350 }
1351
1352 pc0 = ra;
1353}
1354
1355void psxBios_GPU_SendPackets() { //4b:
1356 GPU_writeStatus(0x04000002);
1357 psxHwWrite32(0x1f8010f4,0);
1358 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1359 psxHwWrite32(0x1f8010a0,a0);
1360 psxHwWrite32(0x1f8010a4,0);
1361 psxHwWrite32(0x1f8010a8,0x010000401);
1362 pc0 = ra;
1363}
1364
1365void psxBios_sys_a0_4c() { // 0x4c GPU relate
1366 psxHwWrite32(0x1f8010a8,0x00000401);
1367 GPU_writeData(0x0400000);
1368 GPU_writeData(0x0200000);
1369 GPU_writeData(0x0100000);
cd1ea245 1370 v0 = 0x1f801814;
ef79bbde
P		 1371 pc0 = ra;
1372}
1373
1374void psxBios_GPU_GetGPUStatus() { // 0x4d
1375 v0 = GPU_readStatus();
1376 pc0 = ra;
1377}
1378
1379#undef s_addr
1380
1381void psxBios_LoadExec() { // 51
1382 EXEC *header = (EXEC*)PSXM(0xf000);
1383 u32 s_addr, s_size;
1384
1385#ifdef PSXBIOS_LOG
1386 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1387#endif
1388 s_addr = a1; s_size = a2;
1389
1390 a1 = 0xf000;
1391 psxBios_Load();
1392
1393 header->S_addr = s_addr;
1394 header->s_size = s_size;
1395
1396 a0 = 0xf000; a1 = 0; a2 = 0;
1397 psxBios_Exec();
1398}
1399
1400void psxBios__bu_init() { // 70
1401#ifdef PSXBIOS_LOG
1402 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1403#endif
1404
1405 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1406 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1407
1408 pc0 = ra;
1409}
1410
1411void psxBios__96_init() { // 71
1412#ifdef PSXBIOS_LOG
1413 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1414#endif
1415
1416 pc0 = ra;
1417}
1418
1419void psxBios__96_remove() { // 72
1420#ifdef PSXBIOS_LOG
1421 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1422#endif
1423
1424 pc0 = ra;
1425}
1426
1427void psxBios_SetMem() { // 9f
1428 u32 new = psxHu32(0x1060);
1429
1430#ifdef PSXBIOS_LOG
1431 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1432#endif
1433
1434 switch(a0) {
1435 case 2:
1436 psxHu32ref(0x1060) = SWAP32(new);
1437 psxMu32ref(0x060) = a0;
1438 SysPrintf("Change effective memory : %d MBytes\n",a0);
1439 break;
1440
1441 case 8:
1442 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1443 psxMu32ref(0x060) = a0;
1444 SysPrintf("Change effective memory : %d MBytes\n",a0);
1445
1446 default:
1447 SysPrintf("Effective memory must be 2/8 MBytes\n");
1448 break;
1449 }
1450
1451 pc0 = ra;
1452}
1453
1454void psxBios__card_info() { // ab
1455#ifdef PSXBIOS_LOG
1456 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1457#endif
76b81516 1458 u32 ret;
e9fda093 1459 card_active_chan = a0;
1460
76b81516 1461 switch (card_active_chan)
1462 {
1463 case 0x00: case 0x01: case 0x02: case 0x03:
1464 ret = Config.Mcd1[0] ? 0x2 : 0x8;
1465 break;
1466 case 0x10: case 0x11: case 0x12: case 0x13:
1467 ret = Config.Mcd2[0] ? 0x2 : 0x8;
1468 break;
1469 default:
1470#ifdef PSXBIOS_LOG
1471 PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan);
1472#endif
1473 ret = 0x11;
1474 break;
1475 }
1476
1477// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
ef79bbde
P		 1478// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1479 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
76b81516 1480 DeliverEvent(0x81, ret); // 0xf4000001, 0x0004
ef79bbde
P		 1481
1482 v0 = 1; pc0 = ra;
1483}
1484
1485void psxBios__card_load() { // ac
1486#ifdef PSXBIOS_LOG
1487 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1488#endif
1489
e9fda093 1490 card_active_chan = a0;
1491
ef79bbde
P		 1492// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1493 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1494
1495 v0 = 1; pc0 = ra;
1496}
1497
1498/* System calls B0 */
1499
1500void psxBios_SetRCnt() { // 02
1501#ifdef PSXBIOS_LOG
1502 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1503#endif
1504
1505 a0&= 0x3;
1506 if (a0 != 3) {
1507 u32 mode=0;
1508
1509 psxRcntWtarget(a0, a1);
1510 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1511 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1512 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1513 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1514 else { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1515
1516 psxRcntWmode(a0, mode);
1517 }
1518 pc0 = ra;
1519}
1520
1521void psxBios_GetRCnt() { // 03
1522#ifdef PSXBIOS_LOG
1523 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1524#endif
1525
1526 a0&= 0x3;
1527 if (a0 != 3) v0 = psxRcntRcount(a0);
1528 else v0 = 0;
1529 pc0 = ra;
1530}
1531
1532void psxBios_StartRCnt() { // 04
1533#ifdef PSXBIOS_LOG
1534 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1535#endif
1536
1537 a0&= 0x3;
1538 if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1539 else psxHu32ref(0x1074)|= SWAPu32(0x1);
1540 v0 = 1; pc0 = ra;
1541}
1542
1543void psxBios_StopRCnt() { // 05
1544#ifdef PSXBIOS_LOG
1545 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1546#endif
1547
1548 a0&= 0x3;
1549 if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1550 else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1551 pc0 = ra;
1552}
1553
1554void psxBios_ResetRCnt() { // 06
1555#ifdef PSXBIOS_LOG
1556 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1557#endif
1558
1559 a0&= 0x3;
1560 if (a0 != 3) {
1561 psxRcntWmode(a0, 0);
1562 psxRcntWtarget(a0, 0);
1563 psxRcntWcount(a0, 0);
1564 }
1565 pc0 = ra;
1566}
1567
1568
1569/* gets ev for use with Event */
1570#define GetEv() \
1571 ev = (a0 >> 24) & 0xf; \
1572 if (ev == 0xf) ev = 0x5; \
1573 ev*= 32; \
1574 ev+= a0&0x1f;
1575
1576/* gets spec for use with Event */
1577#define GetSpec() \
1578 spec = 0; \
1579 switch (a1) { \
1580 case 0x0301: spec = 16; break; \
1581 case 0x0302: spec = 17; break; \
1582 default: \
1583 for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1584 break; \
1585 }
1586
1587void psxBios_DeliverEvent() { // 07
1588 int ev, spec;
1589 int i;
1590
1591 GetEv();
1592 GetSpec();
1593
1594#ifdef PSXBIOS_LOG
1595 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1596#endif
1597
1598 DeliverEvent(ev, spec);
1599
1600 pc0 = ra;
1601}
1602
1603void psxBios_OpenEvent() { // 08
1604 int ev, spec;
1605 int i;
1606
1607 GetEv();
1608 GetSpec();
1609
1610#ifdef PSXBIOS_LOG
1611 PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1612#endif
1613
1614 Event[ev][spec].status = EvStWAIT;
1615 Event[ev][spec].mode = a2;
1616 Event[ev][spec].fhandler = a3;
1617
1618 v0 = ev | (spec << 8);
1619 pc0 = ra;
1620}
1621
1622void psxBios_CloseEvent() { // 09
1623 int ev, spec;
1624
1625 ev = a0 & 0xff;
1626 spec = (a0 >> 8) & 0xff;
1627
1628#ifdef PSXBIOS_LOG
1629 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1630#endif
1631
1632 Event[ev][spec].status = EvStUNUSED;
1633
1634 v0 = 1; pc0 = ra;
1635}
1636
1637void psxBios_WaitEvent() { // 0a
1638 int ev, spec;
1639
1640 ev = a0 & 0xff;
1641 spec = (a0 >> 8) & 0xff;
ef79bbde
P		 1642#ifdef PSXBIOS_LOG
1643 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1644#endif
d95c9dcb 1645 if (Event[ev][spec].status == EvStUNUSED)
1646 {
1647 v0 = 0;
1648 pc0 = ra;
1649 return;
1650 }
ef79bbde 1651
d95c9dcb 1652 if (Event[ev][spec].status == EvStALREADY)
1653 {
1654 /* Callback events (mode=EvMdINTR) do never set the ready flag (and thus WaitEvent would hang forever). */
1655 if (!(Event[ev][spec].mode == EvMdINTR)) Event[ev][spec].status = EvStACTIVE;
1656 v0 = 1;
1657 pc0 = ra;
1658 return;
1659 }
ef79bbde 1660
d95c9dcb 1661 v0 = 0;
1662 pc0 = ra;
ef79bbde
P		 1663}
1664
1665void psxBios_TestEvent() { // 0b
1666 int ev, spec;
1667
1668 ev = a0 & 0xff;
1669 spec = (a0 >> 8) & 0xff;
1670
1671 if (Event[ev][spec].status == EvStALREADY) {
1672 Event[ev][spec].status = EvStACTIVE; v0 = 1;
1673 } else v0 = 0;
1674
1675#ifdef PSXBIOS_LOG
1676 PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1677#endif
1678
1679 pc0 = ra;
1680}
1681
1682void psxBios_EnableEvent() { // 0c
1683 int ev, spec;
1684
1685 ev = a0 & 0xff;
1686 spec = (a0 >> 8) & 0xff;
1687
1688#ifdef PSXBIOS_LOG
1689 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1690#endif
1691
1692 Event[ev][spec].status = EvStACTIVE;
1693
1694 v0 = 1; pc0 = ra;
1695}
1696
1697void psxBios_DisableEvent() { // 0d
1698 int ev, spec;
1699
1700 ev = a0 & 0xff;
1701 spec = (a0 >> 8) & 0xff;
1702
1703#ifdef PSXBIOS_LOG
1704 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1705#endif
1706
1707 Event[ev][spec].status = EvStWAIT;
1708
1709 v0 = 1; pc0 = ra;
1710}
1711
1712/*
1713 * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1714 */
1715
1716void psxBios_OpenTh() { // 0e
1717 int th;
1718
1719 for (th=1; th<8; th++)
a66d3058 1720 {
ef79bbde
P		 1721 if (Thread[th].status == 0) break;
1722
a66d3058 1723 }
1724 if (th == 8) {
1725 // Feb 2019 - Added out-of-bounds fix caught by cppcheck:
1726 // When no free TCB is found, return 0xffffffff according to Nocash doc.
1727#ifdef PSXBIOS_LOG
1728 PSXBIOS_LOG("\t%s() WARNING! No Free TCBs found!\n", __func__);
1729#endif
1730 v0 = 0xffffffff;
1731 pc0 = ra;
1732 return;
1733 }
ef79bbde
P		 1734#ifdef PSXBIOS_LOG
1735 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1736#endif
1737
1738 Thread[th].status = 1;
1739 Thread[th].func = a0;
1740 Thread[th].reg[29] = a1;
1741 Thread[th].reg[28] = a2;
1742
1743 v0 = th; pc0 = ra;
1744}
1745
1746/*
1747 * int CloseTh(long thread);
1748 */
1749
1750void psxBios_CloseTh() { // 0f
1751 int th = a0 & 0xff;
1752
1753#ifdef PSXBIOS_LOG
1754 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1755#endif
1756
1757 if (Thread[th].status == 0) {
1758 v0 = 0;
1759 } else {
1760 Thread[th].status = 0;
1761 v0 = 1;
1762 }
1763
1764 pc0 = ra;
1765}
1766
1767/*
1768 * int ChangeTh(long thread);
1769 */
1770
1771void psxBios_ChangeTh() { // 10
1772 int th = a0 & 0xff;
1773
1774#ifdef PSXBIOS_LOG
1775// PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1776#endif
1777
1778 if (Thread[th].status == 0 || CurThread == th) {
1779 v0 = 0;
1780
1781 pc0 = ra;
1782 } else {
1783 v0 = 1;
1784
1785 if (Thread[CurThread].status == 2) {
1786 Thread[CurThread].status = 1;
1787 Thread[CurThread].func = ra;
1788 memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1789 }
1790
1791 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1792 pc0 = Thread[th].func;
1793 Thread[th].status = 2;
1794 CurThread = th;
1795 }
1796}
1797
1798void psxBios_InitPAD() { // 0x12
1799#ifdef PSXBIOS_LOG
1800 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1801#endif
1802
1803 pad_buf1 = (char*)Ra0;
1804 pad_buf1len = a1;
1805 pad_buf2 = (char*)Ra2;
1806 pad_buf2len = a3;
1807
1808 v0 = 1; pc0 = ra;
1809}
1810
1811void psxBios_StartPAD() { // 13
1812#ifdef PSXBIOS_LOG
1813 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1814#endif
1815
1816 psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1817 psxRegs.CP0.n.Status |= 0x401;
1818 pc0 = ra;
1819}
1820
1821void psxBios_StopPAD() { // 14
1822#ifdef PSXBIOS_LOG
1823 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1824#endif
8a0245bb 1825 if (pad_buf == 0){
ef79bbde
P		 1826 pad_buf1 = NULL;
1827 pad_buf2 = NULL;
8a0245bb 1828 }
ef79bbde
P		 1829 pc0 = ra;
1830}
1831
1832void psxBios_PAD_init() { // 15
1833#ifdef PSXBIOS_LOG
1834 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1835#endif
a824e83d 1836 if (!(a0 == 0x20000000 || a0 == 0x20000001))
1837 {
1838 v0 = 0;
1839 pc0 = ra;
1840 return;
1841 }
ef79bbde
P		 1842 psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1843 pad_buf = (int *)Ra1;
1844 *pad_buf = -1;
1845 psxRegs.CP0.n.Status |= 0x401;
a824e83d 1846 v0 = 2;
ef79bbde
P		 1847 pc0 = ra;
1848}
1849
1850void psxBios_PAD_dr() { // 16
1851#ifdef PSXBIOS_LOG
1852 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1853#endif
1854
1855 v0 = -1; pc0 = ra;
1856}
1857
1858void psxBios_ReturnFromException() { // 17
1859 LoadRegs();
1860
1861 pc0 = psxRegs.CP0.n.EPC;
1862 if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1863
1864 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1865 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1866}
1867
1868void psxBios_ResetEntryInt() { // 18
1869#ifdef PSXBIOS_LOG
1870 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1871#endif
1872
1873 jmp_int = NULL;
1874 pc0 = ra;
1875}
1876
1877void psxBios_HookEntryInt() { // 19
1878#ifdef PSXBIOS_LOG
1879 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
1880#endif
1881
1882 jmp_int = (u32*)Ra0;
1883 pc0 = ra;
1884}
1885
1886void psxBios_UnDeliverEvent() { // 0x20
1887 int ev, spec;
1888 int i;
1889
1890 GetEv();
1891 GetSpec();
1892
1893#ifdef PSXBIOS_LOG
1894 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
1895#endif
1896
1897 if (Event[ev][spec].status == EvStALREADY &&
1898 Event[ev][spec].mode == EvMdNOINTR)
1899 Event[ev][spec].status = EvStACTIVE;
1900
1901 pc0 = ra;
1902}
1903
595a136b 1904char ffile[64], *pfile;
1905int nfile;
1906static void buopen(int mcd, u8 *ptr, u8 *cfg)
1907{
1908 int i;
1909 u8 *fptr = ptr;
1910
1911 strcpy(FDesc[1 + mcd].name, Ra0+5);
1912 FDesc[1 + mcd].offset = 0;
1913 FDesc[1 + mcd].mode = a1;
1914
1915 for (i=1; i<16; i++) {
1916 fptr += 128;
1917 if ((*fptr & 0xF0) != 0x50) continue;
1918 if (strcmp(FDesc[1 + mcd].name, fptr+0xa)) continue;
1919 FDesc[1 + mcd].mcfile = i;
1920 SysPrintf("open %s\n", fptr+0xa);
1921 v0 = 1 + mcd;
1922 break;
1923 }
1924 if (a1 & 0x200 && v0 == -1) { /* FCREAT */
1925 fptr = ptr;
1926 for (i=1; i<16; i++) {
1927 int j, xor, nblk = a1 >> 16;
1928 u8 *pptr, *fptr2;
1929
1930 fptr += 128;
1931 if ((*fptr & 0xF0) != 0xa0) continue;
1932
1933 FDesc[1 + mcd].mcfile = i;
1934 fptr[0] = 0x51;
1935 fptr[4] = 0x00;
1936 fptr[5] = 0x20 * nblk;
1937 fptr[6] = 0x00;
1938 fptr[7] = 0x00;
1939 strcpy(fptr+0xa, FDesc[1 + mcd].name);
1940 pptr = fptr2 = fptr;
1941 for(j=2; j<=nblk; j++) {
1942 int k;
1943 for(i++; i<16; i++) {
1944 fptr2 += 128;
1945
1946 memset(fptr2, 0, 128);
1947 fptr2[0] = j < nblk ? 0x52 : 0x53;
1948 pptr[8] = i - 1;
1949 pptr[9] = 0;
1950 for (k=0, xor=0; k<127; k++) xor^= pptr[k];
1951 pptr[127] = xor;
1952 pptr = fptr2;
1953 break;
1954 }
1955 /* shouldn't this return ENOSPC if i == 16? */
1956 }
1957 pptr[8] = pptr[9] = 0xff;
1958 for (j=0, xor=0; j<127; j++) xor^= pptr[j];
1959 pptr[127] = xor;
1960 SysPrintf("openC %s %d\n", ptr, nblk);
1961 v0 = 1 + mcd;
1962 /* just go ahead and resave them all */
1963 SaveMcd(cfg, ptr, 128, 128 * 15);
1964 break;
1965 }
1966 /* shouldn't this return ENOSPC if i == 16? */
1967 }
ef79bbde
P		 1968}
1969
1970/*
1971 * int open(char *name , int mode);
1972 */
1973
1974void psxBios_open() { // 0x32
1975 int i;
1976 char *ptr;
02949f79 1977 void *pa0 = Ra0;
ef79bbde
P		 1978
1979#ifdef PSXBIOS_LOG
1980 PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
1981#endif
1982
1983 v0 = -1;
1984
02949f79 1985 if (pa0) {
1986 if (!strncmp(pa0, "bu00", 4)) {
595a136b 1987 buopen(1, Mcd1Data, Config.Mcd1);
02949f79 1988 }
ef79bbde 1989
02949f79 1990 if (!strncmp(pa0, "bu10", 4)) {
595a136b 1991 buopen(2, Mcd2Data, Config.Mcd2);
02949f79 1992 }
ef79bbde
P		 1993 }
1994
1995 pc0 = ra;
1996}
1997
1998/*
1999 * int lseek(int fd , int offset , int whence);
2000 */
2001
2002void psxBios_lseek() { // 0x33
2003#ifdef PSXBIOS_LOG
2004 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
2005#endif
2006
2007 switch (a2) {
2008 case 0: // SEEK_SET
2009 FDesc[a0].offset = a1;
2010 v0 = a1;
2011// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2012// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2013 break;
2014
2015 case 1: // SEEK_CUR
2016 FDesc[a0].offset+= a1;
2017 v0 = FDesc[a0].offset;
2018 break;
2019 }
2020
2021 pc0 = ra;
2022}
2023
595a136b 2024
ef79bbde
P		 2025/*
2026 * int read(int fd , void *buf , int nbytes);
2027 */
2028
2029void psxBios_read() { // 0x34
2030 char *ptr;
02949f79 2031 void *pa1 = Ra1;
ef79bbde
P		 2032
2033#ifdef PSXBIOS_LOG
2034 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
2035#endif
2036
2037 v0 = -1;
2038
02949f79 2039 if (pa1) {
2040 switch (a0) {
595a136b 2041 case 2: buread(pa1, 1, a2); break;
2042 case 3: buread(pa1, 2, a2); break;
02949f79 2043 }
ef79bbde
P		 2044 }
2045
2046 pc0 = ra;
2047}
2048
ef79bbde
P		 2049/*
2050 * int write(int fd , void *buf , int nbytes);
2051 */
2052
2053void psxBios_write() { // 0x35/0x03
2054 char *ptr;
02949f79 2055 void *pa1 = Ra1;
2056
2057#ifdef PSXBIOS_LOG
2058 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
2059#endif
2060
2061 v0 = -1;
2062 if (!pa1) {
2063 pc0 = ra;
2064 return;
2065 }
ef79bbde
P		 2066
2067 if (a0 == 1) { // stdout
02949f79 2068 char *ptr = pa1;
ef79bbde 2069
02949f79 2070 v0 = a2;
ef79bbde
P		 2071 while (a2 > 0) {
2072 SysPrintf("%c", *ptr++); a2--;
2073 }
2074 pc0 = ra; return;
2075 }
ef79bbde
P		 2076
2077 switch (a0) {
595a136b 2078 case 2: buwrite(pa1, 1, a2); break;
2079 case 3: buwrite(pa1, 2, a2); break;
ef79bbde
P		 2080 }
2081
2082 pc0 = ra;
2083}
2084
2085/*
2086 * int close(int fd);
2087 */
2088
2089void psxBios_close() { // 0x36
2090#ifdef PSXBIOS_LOG
2091 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
2092#endif
2093
2094 v0 = a0;
2095 pc0 = ra;
2096}
2097
2098void psxBios_putchar() { // 3d
2099 SysPrintf("%c", (char)a0);
2100 pc0 = ra;
2101}
2102
2103void psxBios_puts() { // 3e/3f
808a13bd 2104 SysPrintf("%s", Ra0);
ef79bbde
P		 2105 pc0 = ra;
2106}
2107
2108char ffile[64], *pfile;
2109int nfile;
2110
2111#define bufile(mcd) { \
2112 while (nfile < 16) { \
2113 int match=1; \
2114 \
595a136b 2115 ptr = Mcd##mcd##Data + 128 * (nfile + 1); \
ef79bbde
P		 2116 nfile++; \
2117 if ((*ptr & 0xF0) != 0x50) continue; \
595a136b 2118 /* Bug link files show up as free block. */ \
2119 if (!ptr[0xa]) continue; \
ef79bbde
P		 2120 ptr+= 0xa; \
2121 if (pfile[0] == 0) { \
507d7c1d 2122 strncpy(dir->name, ptr, sizeof(dir->name)); \
2123 dir->name[sizeof(dir->name) - 1] = '\0'; \
ef79bbde
P		 2124 } else for (i=0; i<20; i++) { \
2125 if (pfile[i] == ptr[i]) { \
595a136b 2126 dir->name[i] = ptr[i]; continue; } \
ef79bbde
P		 2127 if (pfile[i] == '?') { \
2128 dir->name[i] = ptr[i]; continue; } \
2129 if (pfile[i] == '*') { \
2130 strcpy(dir->name+i, ptr+i); break; } \
2131 match = 0; break; \
2132 } \
2133 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
595a136b 2134 if (match == 0) { continue; } \
ef79bbde
P		 2135 dir->size = 8192; \
2136 v0 = _dir; \
2137 break; \
2138 } \
2139}
2140
2141/*
2142 * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
2143 */
2144
2145void psxBios_firstfile() { // 42
2146 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
02949f79 2147 void *pa0 = Ra0;
ef79bbde
P		 2148 u32 _dir = a1;
2149 char *ptr;
2150 int i;
2151
2152#ifdef PSXBIOS_LOG
2153 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
2154#endif
2155
2156 v0 = 0;
2157
02949f79 2158 if (pa0) {
2159 strcpy(ffile, pa0);
2160 pfile = ffile+5;
2161 nfile = 1;
2162 if (!strncmp(pa0, "bu00", 4)) {
857fabea 2163 // firstfile() calls _card_read() internally, so deliver it's event
2164 DeliverEvent(0x11, 0x2);
02949f79 2165 bufile(1);
2166 } else if (!strncmp(pa0, "bu10", 4)) {
857fabea 2167 // firstfile() calls _card_read() internally, so deliver it's event
2168 DeliverEvent(0x11, 0x2);
02949f79 2169 bufile(2);
2170 }
ef79bbde
P		 2171 }
2172
2173 pc0 = ra;
2174}
2175
2176/*
2177 * struct DIRENTRY* nextfile(struct DIRENTRY *dir);
2178 */
2179
2180void psxBios_nextfile() { // 43
2181 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
2182 u32 _dir = a0;
2183 char *ptr;
2184 int i;
2185
2186#ifdef PSXBIOS_LOG
2187 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
2188#endif
2189
2190 v0 = 0;
2191
2192 if (!strncmp(ffile, "bu00", 4)) {
2193 bufile(1);
2194 }
2195
2196 if (!strncmp(ffile, "bu10", 4)) {
2197 bufile(2);
2198 }
2199
2200 pc0 = ra;
2201}
2202
2203#define burename(mcd) { \
2204 for (i=1; i<16; i++) { \
2205 int namelen, j, xor = 0; \
2206 ptr = Mcd##mcd##Data + 128 * i; \
2207 if ((*ptr & 0xF0) != 0x50) continue; \
2208 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2209 namelen = strlen(Ra1+5); \
2210 memcpy(ptr+0xa, Ra1+5, namelen); \
2211 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
2212 for (j=0; j<127; j++) xor^= ptr[j]; \
2213 ptr[127] = xor; \
2214 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
2215 v0 = 1; \
2216 break; \
2217 } \
2218}
2219
2220/*
2221 * int rename(char *old, char *new);
2222 */
2223
2224void psxBios_rename() { // 44
02949f79 2225 void *pa0 = Ra0;
2226 void *pa1 = Ra1;
ef79bbde
P		 2227 char *ptr;
2228 int i;
2229
2230#ifdef PSXBIOS_LOG
2231 PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
2232#endif
2233
2234 v0 = 0;
2235
02949f79 2236 if (pa0 && pa1) {
2237 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
2238 burename(1);
2239 }
ef79bbde 2240
02949f79 2241 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
2242 burename(2);
2243 }
ef79bbde
P		 2244 }
2245
2246 pc0 = ra;
2247}
2248
2249
2250#define budelete(mcd) { \
2251 for (i=1; i<16; i++) { \
2252 ptr = Mcd##mcd##Data + 128 * i; \
2253 if ((*ptr & 0xF0) != 0x50) continue; \
2254 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2255 *ptr = (*ptr & 0xf) | 0xA0; \
2256 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
2257 SysPrintf("delete %s\n", ptr+0xa); \
2258 v0 = 1; \
2259 break; \
2260 } \
2261}
2262
2263/*
2264 * int delete(char *name);
2265 */
2266
2267void psxBios_delete() { // 45
02949f79 2268 void *pa0 = Ra0;
ef79bbde
P		 2269 char *ptr;
2270 int i;
2271
2272#ifdef PSXBIOS_LOG
2273 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2274#endif
2275
2276 v0 = 0;
2277
02949f79 2278 if (pa0) {
2279 if (!strncmp(pa0, "bu00", 4)) {
2280 budelete(1);
2281 }
ef79bbde 2282
02949f79 2283 if (!strncmp(pa0, "bu10", 4)) {
2284 budelete(2);
2285 }
ef79bbde
P		 2286 }
2287
2288 pc0 = ra;
2289}
2290
2291void psxBios_InitCARD() { // 4a
2292#ifdef PSXBIOS_LOG
2293 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2294#endif
2295
2296 CardState = 0;
2297
2298 pc0 = ra;
2299}
2300
2301void psxBios_StartCARD() { // 4b
2302#ifdef PSXBIOS_LOG
2303 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2304#endif
2305
2306 if (CardState == 0) CardState = 1;
2307
2308 pc0 = ra;
2309}
2310
2311void psxBios_StopCARD() { // 4c
2312#ifdef PSXBIOS_LOG
2313 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2314#endif
2315
2316 if (CardState == 1) CardState = 0;
2317
2318 pc0 = ra;
2319}
2320
2321void psxBios__card_write() { // 0x4e
02949f79 2322 void *pa2 = Ra2;
ef79bbde
P		 2323 int port;
2324
2325#ifdef PSXBIOS_LOG
2326 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2327#endif
bd48ba5e 2328 /* Function also accepts sector 400h (a bug) */
2329 if (!(a1 <= 0x400))
2330 {
2331 /* Invalid sectors */
2332 v0 = 0; pc0 = ra;
2333 return;
2334 }
e9fda093 2335 card_active_chan = a0;
ef79bbde
P		 2336 port = a0 >> 4;
2337
02949f79 2338 if (pa2) {
2339 if (port == 0) {
2340 memcpy(Mcd1Data + a1 * 128, pa2, 128);
2341 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2342 } else {
2343 memcpy(Mcd2Data + a1 * 128, pa2, 128);
2344 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2345 }
ef79bbde
P		 2346 }
2347
2348 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2349// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2350
2351 v0 = 1; pc0 = ra;
2352}
2353
2354void psxBios__card_read() { // 0x4f
02949f79 2355 void *pa2 = Ra2;
ef79bbde
P		 2356 int port;
2357
2358#ifdef PSXBIOS_LOG
2359 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2360#endif
bd48ba5e 2361 /* Function also accepts sector 400h (a bug) */
2362 if (!(a1 <= 0x400))
2363 {
2364 /* Invalid sectors */
2365 v0 = 0; pc0 = ra;
2366 return;
2367 }
e9fda093 2368 card_active_chan = a0;
ef79bbde
P		 2369 port = a0 >> 4;
2370
02949f79 2371 if (pa2) {
2372 if (port == 0) {
2373 memcpy(pa2, Mcd1Data + a1 * 128, 128);
2374 } else {
2375 memcpy(pa2, Mcd2Data + a1 * 128, 128);
2376 }
ef79bbde
P		 2377 }
2378
2379 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2380// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2381
2382 v0 = 1; pc0 = ra;
2383}
2384
2385void psxBios__new_card() { // 0x50
2386#ifdef PSXBIOS_LOG
2387 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2388#endif
2389
2390 pc0 = ra;
2391}
2392
2393void psxBios_Krom2RawAdd() { // 0x51
2394 int i = 0;
2395
2396 const u32 table_8140[][2] = {
2397 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2398 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2399 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2400 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2401 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2402 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2403 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2404 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2405 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2406 {0xffff, 0}
2407 };
2408
2409 const u32 table_889f[][2] = {
2410 {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4},
2411 {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304},
2412 {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14},
2413 {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24},
2414 {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734},
2415 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2416 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2417 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2418 {0xffff, 0}
2419 };
2420
2421 if (a0 >= 0x8140 && a0 <= 0x84be) {
2422 while (table_8140[i][0] <= a0) i++;
2423 a0 -= table_8140[i - 1][0];
2424 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2425 } else if (a0 >= 0x889f && a0 <= 0x9872) {
2426 while (table_889f[i][0] <= a0) i++;
2427 a0 -= table_889f[i - 1][0];
2428 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2429 } else {
2430 v0 = 0xffffffff;
2431 }
2432
2433 pc0 = ra;
2434}
2435
2436void psxBios_GetC0Table() { // 56
2437#ifdef PSXBIOS_LOG
2438 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2439#endif
2440
2441 v0 = 0x674; pc0 = ra;
2442}
2443
2444void psxBios_GetB0Table() { // 57
2445#ifdef PSXBIOS_LOG
2446 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2447#endif
2448
2449 v0 = 0x874; pc0 = ra;
2450}
2451
e9fda093 2452void psxBios__card_chan() { // 0x58
2453#ifdef PSXBIOS_LOG
2454 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2455#endif
2456
2457 v0 = card_active_chan;
2458 pc0 = ra;
2459}
2460
ef79bbde
P		 2461void psxBios_ChangeClearPad() { // 5b
2462#ifdef PSXBIOS_LOG
2463 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2464#endif
2465
2466 pc0 = ra;
2467}
2468
2469/* System calls C0 */
2470
2471/*
2472 * int SysEnqIntRP(int index , long *queue);
2473 */
2474
2475void psxBios_SysEnqIntRP() { // 02
2476#ifdef PSXBIOS_LOG
2477 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2478#endif
2479
2480 SysIntRP[a0] = a1;
2481
2482 v0 = 0; pc0 = ra;
2483}
2484
2485/*
2486 * int SysDeqIntRP(int index , long *queue);
2487 */
2488
2489void psxBios_SysDeqIntRP() { // 03
2490#ifdef PSXBIOS_LOG
2491 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2492#endif
2493
2494 SysIntRP[a0] = 0;
2495
2496 v0 = 0; pc0 = ra;
2497}
2498
2499void psxBios_ChangeClearRCnt() { // 0a
2500 u32 *ptr;
2501
2502#ifdef PSXBIOS_LOG
2503 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2504#endif
2505
2506 ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2507 v0 = *ptr;
2508 *ptr = a1;
2509
2510// psxRegs.CP0.n.Status|= 0x404;
2511 pc0 = ra;
2512}
2513
2514void psxBios_dummy() {
2515#ifdef PSXBIOS_LOG
2516 PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2517#endif
2518 pc0 = ra;
2519}
2520
2521void (*biosA0[256])();
2522void (*biosB0[256])();
2523void (*biosC0[256])();
2524
2525#include "sjisfont.h"
2526
2527void psxBiosInit() {
2528 u32 base, size;
2529 u32 *ptr;
2530 int i;
2531 uLongf len;
2532
2533 for(i = 0; i < 256; i++) {
2534 biosA0[i] = NULL;
2535 biosB0[i] = NULL;
2536 biosC0[i] = NULL;
2537 }
2538 biosA0[0x3e] = psxBios_puts;
2539 biosA0[0x3f] = psxBios_printf;
2540
2541 biosB0[0x3d] = psxBios_putchar;
2542 biosB0[0x3f] = psxBios_puts;
2543
2544 if (!Config.HLE) return;
2545
2546 for(i = 0; i < 256; i++) {
2547 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2548 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2549 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2550 }
2551
2552 biosA0[0x00] = psxBios_open;
2553 biosA0[0x01] = psxBios_lseek;
2554 biosA0[0x02] = psxBios_read;
2555 biosA0[0x03] = psxBios_write;
2556 biosA0[0x04] = psxBios_close;
2557 //biosA0[0x05] = psxBios_ioctl;
2558 //biosA0[0x06] = psxBios_exit;
2559 //biosA0[0x07] = psxBios_sys_a0_07;
324cec89 2560 biosA0[0x08] = psxBios_getc;
2561 biosA0[0x09] = psxBios_putc;
ba11675c 2562 biosA0[0x0a] = psxBios_todigit;
ef79bbde
P		 2563 //biosA0[0x0b] = psxBios_atof;
2564 //biosA0[0x0c] = psxBios_strtoul;
2565 //biosA0[0x0d] = psxBios_strtol;
2566 biosA0[0x0e] = psxBios_abs;
2567 biosA0[0x0f] = psxBios_labs;
2568 biosA0[0x10] = psxBios_atoi;
2569 biosA0[0x11] = psxBios_atol;
2570 //biosA0[0x12] = psxBios_atob;
2571 biosA0[0x13] = psxBios_setjmp;
2572 biosA0[0x14] = psxBios_longjmp;
2573 biosA0[0x15] = psxBios_strcat;
2574 biosA0[0x16] = psxBios_strncat;
2575 biosA0[0x17] = psxBios_strcmp;
2576 biosA0[0x18] = psxBios_strncmp;
2577 biosA0[0x19] = psxBios_strcpy;
2578 biosA0[0x1a] = psxBios_strncpy;
2579 biosA0[0x1b] = psxBios_strlen;
2580 biosA0[0x1c] = psxBios_index;
2581 biosA0[0x1d] = psxBios_rindex;
2582 biosA0[0x1e] = psxBios_strchr;
2583 biosA0[0x1f] = psxBios_strrchr;
2584 biosA0[0x20] = psxBios_strpbrk;
2585 biosA0[0x21] = psxBios_strspn;
2586 biosA0[0x22] = psxBios_strcspn;
2587 biosA0[0x23] = psxBios_strtok;
2588 biosA0[0x24] = psxBios_strstr;
2589 biosA0[0x25] = psxBios_toupper;
2590 biosA0[0x26] = psxBios_tolower;
2591 biosA0[0x27] = psxBios_bcopy;
2592 biosA0[0x28] = psxBios_bzero;
2593 biosA0[0x29] = psxBios_bcmp;
2594 biosA0[0x2a] = psxBios_memcpy;
2595 biosA0[0x2b] = psxBios_memset;
2596 biosA0[0x2c] = psxBios_memmove;
2597 biosA0[0x2d] = psxBios_memcmp;
2598 biosA0[0x2e] = psxBios_memchr;
2599 biosA0[0x2f] = psxBios_rand;
2600 biosA0[0x30] = psxBios_srand;
2601 biosA0[0x31] = psxBios_qsort;
2602 //biosA0[0x32] = psxBios_strtod;
2603 biosA0[0x33] = psxBios_malloc;
2604 biosA0[0x34] = psxBios_free;
2605 //biosA0[0x35] = psxBios_lsearch;
2606 //biosA0[0x36] = psxBios_bsearch;
2607 biosA0[0x37] = psxBios_calloc;
2608 biosA0[0x38] = psxBios_realloc;
2609 biosA0[0x39] = psxBios_InitHeap;
2610 //biosA0[0x3a] = psxBios__exit;
2611 biosA0[0x3b] = psxBios_getchar;
2612 biosA0[0x3c] = psxBios_putchar;
2613 //biosA0[0x3d] = psxBios_gets;
2614 //biosA0[0x40] = psxBios_sys_a0_40;
2615 //biosA0[0x41] = psxBios_LoadTest;
2616 biosA0[0x42] = psxBios_Load;
2617 biosA0[0x43] = psxBios_Exec;
2618 biosA0[0x44] = psxBios_FlushCache;
2619 //biosA0[0x45] = psxBios_InstallInterruptHandler;
2620 biosA0[0x46] = psxBios_GPU_dw;
2621 biosA0[0x47] = psxBios_mem2vram;
2622 biosA0[0x48] = psxBios_SendGPU;
2623 biosA0[0x49] = psxBios_GPU_cw;
2624 biosA0[0x4a] = psxBios_GPU_cwb;
2625 biosA0[0x4b] = psxBios_GPU_SendPackets;
2626 biosA0[0x4c] = psxBios_sys_a0_4c;
2627 biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2628 //biosA0[0x4e] = psxBios_GPU_sync;
2629 //biosA0[0x4f] = psxBios_sys_a0_4f;
2630 //biosA0[0x50] = psxBios_sys_a0_50;
2631 biosA0[0x51] = psxBios_LoadExec;
2632 //biosA0[0x52] = psxBios_GetSysSp;
2633 //biosA0[0x53] = psxBios_sys_a0_53;
2634 //biosA0[0x54] = psxBios__96_init_a54;
2635 //biosA0[0x55] = psxBios__bu_init_a55;
2636 //biosA0[0x56] = psxBios__96_remove_a56;
2637 //biosA0[0x57] = psxBios_sys_a0_57;
2638 //biosA0[0x58] = psxBios_sys_a0_58;
2639 //biosA0[0x59] = psxBios_sys_a0_59;
2640 //biosA0[0x5a] = psxBios_sys_a0_5a;
2641 //biosA0[0x5b] = psxBios_dev_tty_init;
2642 //biosA0[0x5c] = psxBios_dev_tty_open;
2643 //biosA0[0x5d] = psxBios_sys_a0_5d;
2644 //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2645 //biosA0[0x5f] = psxBios_dev_cd_open;
2646 //biosA0[0x60] = psxBios_dev_cd_read;
2647 //biosA0[0x61] = psxBios_dev_cd_close;
2648 //biosA0[0x62] = psxBios_dev_cd_firstfile;
2649 //biosA0[0x63] = psxBios_dev_cd_nextfile;
2650 //biosA0[0x64] = psxBios_dev_cd_chdir;
2651 //biosA0[0x65] = psxBios_dev_card_open;
2652 //biosA0[0x66] = psxBios_dev_card_read;
2653 //biosA0[0x67] = psxBios_dev_card_write;
2654 //biosA0[0x68] = psxBios_dev_card_close;
2655 //biosA0[0x69] = psxBios_dev_card_firstfile;
2656 //biosA0[0x6a] = psxBios_dev_card_nextfile;
2657 //biosA0[0x6b] = psxBios_dev_card_erase;
2658 //biosA0[0x6c] = psxBios_dev_card_undelete;
2659 //biosA0[0x6d] = psxBios_dev_card_format;
2660 //biosA0[0x6e] = psxBios_dev_card_rename;
2661 //biosA0[0x6f] = psxBios_dev_card_6f;
2662 biosA0[0x70] = psxBios__bu_init;
2663 biosA0[0x71] = psxBios__96_init;
2664 biosA0[0x72] = psxBios__96_remove;
2665 //biosA0[0x73] = psxBios_sys_a0_73;
2666 //biosA0[0x74] = psxBios_sys_a0_74;
2667 //biosA0[0x75] = psxBios_sys_a0_75;
2668 //biosA0[0x76] = psxBios_sys_a0_76;
2669 //biosA0[0x77] = psxBios_sys_a0_77;
2670 //biosA0[0x78] = psxBios__96_CdSeekL;
2671 //biosA0[0x79] = psxBios_sys_a0_79;
2672 //biosA0[0x7a] = psxBios_sys_a0_7a;
2673 //biosA0[0x7b] = psxBios_sys_a0_7b;
2674 //biosA0[0x7c] = psxBios__96_CdGetStatus;
2675 //biosA0[0x7d] = psxBios_sys_a0_7d;
2676 //biosA0[0x7e] = psxBios__96_CdRead;
2677 //biosA0[0x7f] = psxBios_sys_a0_7f;
2678 //biosA0[0x80] = psxBios_sys_a0_80;
2679 //biosA0[0x81] = psxBios_sys_a0_81;
2680 //biosA0[0x82] = psxBios_sys_a0_82;
2681 //biosA0[0x83] = psxBios_sys_a0_83;
2682 //biosA0[0x84] = psxBios_sys_a0_84;
2683 //biosA0[0x85] = psxBios__96_CdStop;
2684 //biosA0[0x86] = psxBios_sys_a0_86;
2685 //biosA0[0x87] = psxBios_sys_a0_87;
2686 //biosA0[0x88] = psxBios_sys_a0_88;
2687 //biosA0[0x89] = psxBios_sys_a0_89;
2688 //biosA0[0x8a] = psxBios_sys_a0_8a;
2689 //biosA0[0x8b] = psxBios_sys_a0_8b;
2690 //biosA0[0x8c] = psxBios_sys_a0_8c;
2691 //biosA0[0x8d] = psxBios_sys_a0_8d;
2692 //biosA0[0x8e] = psxBios_sys_a0_8e;
2693 //biosA0[0x8f] = psxBios_sys_a0_8f;
2694 //biosA0[0x90] = psxBios_sys_a0_90;
2695 //biosA0[0x91] = psxBios_sys_a0_91;
2696 //biosA0[0x92] = psxBios_sys_a0_92;
2697 //biosA0[0x93] = psxBios_sys_a0_93;
2698 //biosA0[0x94] = psxBios_sys_a0_94;
2699 //biosA0[0x95] = psxBios_sys_a0_95;
2700 //biosA0[0x96] = psxBios_AddCDROMDevice;
2701 //biosA0[0x97] = psxBios_AddMemCardDevide;
2702 //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2703 //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2704 //biosA0[0x9a] = psxBios_sys_a0_9a;
2705 //biosA0[0x9b] = psxBios_sys_a0_9b;
2706 //biosA0[0x9c] = psxBios_SetConf;
2707 //biosA0[0x9d] = psxBios_GetConf;
2708 //biosA0[0x9e] = psxBios_sys_a0_9e;
2709 biosA0[0x9f] = psxBios_SetMem;
2710 //biosA0[0xa0] = psxBios__boot;
2711 //biosA0[0xa1] = psxBios_SystemError;
2712 //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2713 //biosA0[0xa3] = psxBios_DequeueCdIntr;
2714 //biosA0[0xa4] = psxBios_sys_a0_a4;
2715 //biosA0[0xa5] = psxBios_ReadSector;
2716 //biosA0[0xa6] = psxBios_get_cd_status;
2717 //biosA0[0xa7] = psxBios_bufs_cb_0;
2718 //biosA0[0xa8] = psxBios_bufs_cb_1;
2719 //biosA0[0xa9] = psxBios_bufs_cb_2;
2720 //biosA0[0xaa] = psxBios_bufs_cb_3;
2721 biosA0[0xab] = psxBios__card_info;
2722 biosA0[0xac] = psxBios__card_load;
2723 //biosA0[0axd] = psxBios__card_auto;
2724 //biosA0[0xae] = psxBios_bufs_cd_4;
2725 //biosA0[0xaf] = psxBios_sys_a0_af;
2726 //biosA0[0xb0] = psxBios_sys_a0_b0;
2727 //biosA0[0xb1] = psxBios_sys_a0_b1;
2728 //biosA0[0xb2] = psxBios_do_a_long_jmp
2729 //biosA0[0xb3] = psxBios_sys_a0_b3;
2730 //biosA0[0xb4] = psxBios_sub_function;
2731//*******************B0 CALLS****************************
2732 //biosB0[0x00] = psxBios_SysMalloc;
2733 //biosB0[0x01] = psxBios_sys_b0_01;
2734 biosB0[0x02] = psxBios_SetRCnt;
2735 biosB0[0x03] = psxBios_GetRCnt;
2736 biosB0[0x04] = psxBios_StartRCnt;
2737 biosB0[0x05] = psxBios_StopRCnt;
2738 biosB0[0x06] = psxBios_ResetRCnt;
2739 biosB0[0x07] = psxBios_DeliverEvent;
2740 biosB0[0x08] = psxBios_OpenEvent;
2741 biosB0[0x09] = psxBios_CloseEvent;
2742 biosB0[0x0a] = psxBios_WaitEvent;
2743 biosB0[0x0b] = psxBios_TestEvent;
2744 biosB0[0x0c] = psxBios_EnableEvent;
2745 biosB0[0x0d] = psxBios_DisableEvent;
2746 biosB0[0x0e] = psxBios_OpenTh;
2747 biosB0[0x0f] = psxBios_CloseTh;
2748 biosB0[0x10] = psxBios_ChangeTh;
2749 //biosB0[0x11] = psxBios_psxBios_b0_11;
2750 biosB0[0x12] = psxBios_InitPAD;
2751 biosB0[0x13] = psxBios_StartPAD;
2752 biosB0[0x14] = psxBios_StopPAD;
2753 biosB0[0x15] = psxBios_PAD_init;
2754 biosB0[0x16] = psxBios_PAD_dr;
2755 biosB0[0x17] = psxBios_ReturnFromException;
2756 biosB0[0x18] = psxBios_ResetEntryInt;
2757 biosB0[0x19] = psxBios_HookEntryInt;
2758 //biosB0[0x1a] = psxBios_sys_b0_1a;
2759 //biosB0[0x1b] = psxBios_sys_b0_1b;
2760 //biosB0[0x1c] = psxBios_sys_b0_1c;
2761 //biosB0[0x1d] = psxBios_sys_b0_1d;
2762 //biosB0[0x1e] = psxBios_sys_b0_1e;
2763 //biosB0[0x1f] = psxBios_sys_b0_1f;
2764 biosB0[0x20] = psxBios_UnDeliverEvent;
2765 //biosB0[0x21] = psxBios_sys_b0_21;
2766 //biosB0[0x22] = psxBios_sys_b0_22;
2767 //biosB0[0x23] = psxBios_sys_b0_23;
2768 //biosB0[0x24] = psxBios_sys_b0_24;
2769 //biosB0[0x25] = psxBios_sys_b0_25;
2770 //biosB0[0x26] = psxBios_sys_b0_26;
2771 //biosB0[0x27] = psxBios_sys_b0_27;
2772 //biosB0[0x28] = psxBios_sys_b0_28;
2773 //biosB0[0x29] = psxBios_sys_b0_29;
2774 //biosB0[0x2a] = psxBios_sys_b0_2a;
2775 //biosB0[0x2b] = psxBios_sys_b0_2b;
2776 //biosB0[0x2c] = psxBios_sys_b0_2c;
2777 //biosB0[0x2d] = psxBios_sys_b0_2d;
2778 //biosB0[0x2e] = psxBios_sys_b0_2e;
2779 //biosB0[0x2f] = psxBios_sys_b0_2f;
2780 //biosB0[0x30] = psxBios_sys_b0_30;
2781 //biosB0[0x31] = psxBios_sys_b0_31;
2782 biosB0[0x32] = psxBios_open;
2783 biosB0[0x33] = psxBios_lseek;
2784 biosB0[0x34] = psxBios_read;
2785 biosB0[0x35] = psxBios_write;
2786 biosB0[0x36] = psxBios_close;
2787 //biosB0[0x37] = psxBios_ioctl;
2788 //biosB0[0x38] = psxBios_exit;
2789 //biosB0[0x39] = psxBios_sys_b0_39;
2790 //biosB0[0x3a] = psxBios_getc;
2791 //biosB0[0x3b] = psxBios_putc;
2792 biosB0[0x3c] = psxBios_getchar;
2793 //biosB0[0x3e] = psxBios_gets;
2794 //biosB0[0x40] = psxBios_cd;
e7e1f572 2795 biosB0[0x41] = psxBios_format;
ef79bbde
P		 2796 biosB0[0x42] = psxBios_firstfile;
2797 biosB0[0x43] = psxBios_nextfile;
2798 biosB0[0x44] = psxBios_rename;
2799 biosB0[0x45] = psxBios_delete;
2800 //biosB0[0x46] = psxBios_undelete;
2801 //biosB0[0x47] = psxBios_AddDevice;
2802 //biosB0[0x48] = psxBios_RemoteDevice;
2803 //biosB0[0x49] = psxBios_PrintInstalledDevices;
2804 biosB0[0x4a] = psxBios_InitCARD;
2805 biosB0[0x4b] = psxBios_StartCARD;
2806 biosB0[0x4c] = psxBios_StopCARD;
2807 //biosB0[0x4d] = psxBios_sys_b0_4d;
2808 biosB0[0x4e] = psxBios__card_write;
2809 biosB0[0x4f] = psxBios__card_read;
2810 biosB0[0x50] = psxBios__new_card;
2811 biosB0[0x51] = psxBios_Krom2RawAdd;
2812 //biosB0[0x52] = psxBios_sys_b0_52;
2813 //biosB0[0x53] = psxBios_sys_b0_53;
2814 //biosB0[0x54] = psxBios__get_errno;
2815 //biosB0[0x55] = psxBios__get_error;
2816 biosB0[0x56] = psxBios_GetC0Table;
2817 biosB0[0x57] = psxBios_GetB0Table;
e9fda093 2818 biosB0[0x58] = psxBios__card_chan;
ef79bbde
P		 2819 //biosB0[0x59] = psxBios_sys_b0_59;
2820 //biosB0[0x5a] = psxBios_sys_b0_5a;
2821 biosB0[0x5b] = psxBios_ChangeClearPad;
2822 //biosB0[0x5c] = psxBios__card_status;
2823 //biosB0[0x5d] = psxBios__card_wait;
2824//*******************C0 CALLS****************************
2825 //biosC0[0x00] = psxBios_InitRCnt;
2826 //biosC0[0x01] = psxBios_InitException;
2827 biosC0[0x02] = psxBios_SysEnqIntRP;
2828 biosC0[0x03] = psxBios_SysDeqIntRP;
2829 //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2830 //biosC0[0x05] = psxBios_get_free_TCB_slot;
2831 //biosC0[0x06] = psxBios_ExceptionHandler;
2832 //biosC0[0x07] = psxBios_InstallExeptionHandler;
2833 //biosC0[0x08] = psxBios_SysInitMemory;
2834 //biosC0[0x09] = psxBios_SysInitKMem;
2835 biosC0[0x0a] = psxBios_ChangeClearRCnt;
2836 //biosC0[0x0b] = psxBios_SystemError;
2837 //biosC0[0x0c] = psxBios_InitDefInt;
2838 //biosC0[0x0d] = psxBios_sys_c0_0d;
2839 //biosC0[0x0e] = psxBios_sys_c0_0e;
2840 //biosC0[0x0f] = psxBios_sys_c0_0f;
2841 //biosC0[0x10] = psxBios_sys_c0_10;
2842 //biosC0[0x11] = psxBios_sys_c0_11;
2843 //biosC0[0x12] = psxBios_InstallDevices;
2844 //biosC0[0x13] = psxBios_FlushStfInOutPut;
2845 //biosC0[0x14] = psxBios_sys_c0_14;
2846 //biosC0[0x15] = psxBios__cdevinput;
2847 //biosC0[0x16] = psxBios__cdevscan;
2848 //biosC0[0x17] = psxBios__circgetc;
2849 //biosC0[0x18] = psxBios__circputc;
2850 //biosC0[0x19] = psxBios_ioabort;
2851 //biosC0[0x1a] = psxBios_sys_c0_1a
2852 //biosC0[0x1b] = psxBios_KernelRedirect;
2853 //biosC0[0x1c] = psxBios_PatchAOTable;
2854//************** THE END ***************************************
2855/**/
2856 base = 0x1000;
2857 size = sizeof(EvCB) * 32;
2858 Event = (void *)&psxR[base]; base += size * 6;
2859 memset(Event, 0, size * 6);
2860 HwEV = Event;
2861 EvEV = Event + 32;
2862 RcEV = Event + 32 * 2;
2863 UeEV = Event + 32 * 3;
2864 SwEV = Event + 32 * 4;
2865 ThEV = Event + 32 * 5;
2866
2867 ptr = (u32 *)&psxM[0x0874]; // b0 table
2868 ptr[0] = SWAPu32(0x4c54 - 0x884);
2869
2870 ptr = (u32 *)&psxM[0x0674]; // c0 table
2871 ptr[6] = SWAPu32(0xc80);
2872
2873 memset(SysIntRP, 0, sizeof(SysIntRP));
2874 memset(Thread, 0, sizeof(Thread));
2875 Thread[0].status = 2; // main thread
2876
c62b43c9 2877 jmp_int = NULL;
2878 pad_buf = NULL;
2879 pad_buf1 = NULL;
2880 pad_buf2 = NULL;
2881 pad_buf1len = pad_buf2len = 0;
2882 heap_addr = NULL;
2883 heap_end = NULL;
2884 CardState = -1;
2885 CurThread = 0;
2886 memset(FDesc, 0, sizeof(FDesc));
2887
ef79bbde
P		 2888 psxMu32ref(0x0150) = SWAPu32(0x160);
2889 psxMu32ref(0x0154) = SWAPu32(0x320);
2890 psxMu32ref(0x0160) = SWAPu32(0x248);
2891 strcpy((char *)&psxM[0x248], "bu");
2892/* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
2893 psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
2894 psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
2895 psxMu32ref(0x09e0) = SWAPu32(0x43d0);
2896 psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
2897*/
2898 // opcode HLE
2899 psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
2900 psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
2901 psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
2902 psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
2903 psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
2904 psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
2905 psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
2906 psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
2907 psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
2908 psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
2909
2910 // initial stack pointer for BIOS interrupt
2911 psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
2912
2913 // initial RNG seed
2914 psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
2915
2916 // fonts
2917 len = 0x80000 - 0x66000;
2918 uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
2919 len = 0x80000 - 0x69d68;
2920 uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
2921
2922 // memory size 2 MB
2923 psxHu32ref(0x1060) = SWAPu32(0x00000b88);
2924
2925 hleSoftCall = FALSE;
2926}
2927
2928void psxBiosShutdown() {
2929}
2930
2931#define psxBios_PADpoll(pad) { \
2932 PAD##pad##_startPoll(pad); \
2933 pad_buf##pad[0] = 0; \
2934 pad_buf##pad[1] = PAD##pad##_poll(0x42); \
2935 if (!(pad_buf##pad[1] & 0x0f)) { \
2936 bufcount = 32; \
2937 } else { \
2938 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
2939 } \
2940 PAD##pad##_poll(0); \
2941 i = 2; \
2942 while (bufcount--) { \
2943 pad_buf##pad[i++] = PAD##pad##_poll(0); \
2944 } \
2945}
2946
2947void biosInterrupt() {
2948 int i, bufcount;
2949
2950// if (psxHu32(0x1070) & 0x1) { // Vsync
2951 if (pad_buf != NULL) {
2952 u32 *buf = (u32*)pad_buf;
2953
2954 if (!Config.UseNet) {
2955 PAD1_startPoll(1);
2956 if (PAD1_poll(0x42) == 0x23) {
2957 PAD1_poll(0);
2958 *buf = PAD1_poll(0) << 8;
2959 *buf |= PAD1_poll(0);
2960 PAD1_poll(0);
2961 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
2962 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
2963 } else {
2964 PAD1_poll(0);
2965 *buf = PAD1_poll(0) << 8;
2966 *buf|= PAD1_poll(0);
2967 }
2968
2969 PAD2_startPoll(2);
2970 if (PAD2_poll(0x42) == 0x23) {
2971 PAD2_poll(0);
2972 *buf |= PAD2_poll(0) << 24;
2973 *buf |= PAD2_poll(0) << 16;
2974 PAD2_poll(0);
2975 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
2976 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
2977 } else {
2978 PAD2_poll(0);
2979 *buf |= PAD2_poll(0) << 24;
2980 *buf |= PAD2_poll(0) << 16;
2981 }
2982 } else {
2983 u16 data;
2984
2985 PAD1_startPoll(1);
2986 PAD1_poll(0x42);
2987 PAD1_poll(0);
2988 data = PAD1_poll(0) << 8;
2989 data |= PAD1_poll(0);
2990
2991 if (NET_sendPadData(&data, 2) == -1)
2992 netError();
2993
2994 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
2995 netError();
2996 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
2997 netError();
2998 }
2999 }
3000 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
3001 psxBios_PADpoll(1);
3002
3003 if (NET_sendPadData(pad_buf1, i) == -1)
3004 netError();
3005
3006 if (NET_recvPadData(pad_buf1, 1) == -1)
3007 netError();
3008 if (NET_recvPadData(pad_buf2, 2) == -1)
3009 netError();
3010 } else {
3011 if (pad_buf1) {
3012 psxBios_PADpoll(1);
3013 }
3014
3015 if (pad_buf2) {
3016 psxBios_PADpoll(2);
3017 }
3018 }
3019
3020 if (psxHu32(0x1070) & 0x1) { // Vsync
3021 if (RcEV[3][1].status == EvStACTIVE) {
3022 softCall(RcEV[3][1].fhandler);
3023// hwWrite32(0x1f801070, ~(1));
3024 }
3025 }
3026
3027 if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
3028 int i;
3029
3030 for (i = 0; i < 3; i++) {
3031 if (psxHu32(0x1070) & (1 << (i + 4))) {
3032 if (RcEV[i][1].status == EvStACTIVE) {
3033 softCall(RcEV[i][1].fhandler);
3034 }
3035 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
3036 }
3037 }
3038 }
3039}
3040
3041void psxBiosException() {
3042 int i;
3043
3044 switch (psxRegs.CP0.n.Cause & 0x3c) {
3045 case 0x00: // Interrupt
3046#ifdef PSXCPU_LOG
3047// PSXCPU_LOG("interrupt\n");
3048#endif
3049 SaveRegs();
3050
3051 sp = psxMu32(0x6c80); // create new stack for interrupt handlers
3052
3053 biosInterrupt();
3054
3055 for (i = 0; i < 8; i++) {
3056 if (SysIntRP[i]) {
3057 u32 *queue = (u32 *)PSXM(SysIntRP[i]);
3058
3059 s0 = queue[2];
3060 softCall(queue[1]);
3061 }
3062 }
3063
3064 if (jmp_int != NULL) {
3065 int i;
3066
3067 psxHwWrite32(0x1f801070, 0xffffffff);
3068
3069 ra = jmp_int[0];
3070 sp = jmp_int[1];
3071 fp = jmp_int[2];
3072 for (i = 0; i < 8; i++) // s0-s7
3073 psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
3074 gp = jmp_int[11];
3075
3076 v0 = 1;
3077 pc0 = ra;
3078 return;
3079 }
3080 psxHwWrite16(0x1f801070, 0);
3081 break;
3082
3083 case 0x20: // Syscall
3084#ifdef PSXCPU_LOG
3085 PSXCPU_LOG("syscall exp %x\n", a0);
3086#endif
3087 switch (a0) {
3088 case 1: // EnterCritical - disable irq's
79dad1b3 3089 /* Fixes Medievil 2 not loading up new game, Digimon World not booting up and possibly others */
3090 v0 = (psxRegs.CP0.n.Status & 0x404) == 0x404;
3091 psxRegs.CP0.n.Status &= ~0x404;
ef79bbde
P		 3092 break;
3093
3094 case 2: // ExitCritical - enable irq's
3095 psxRegs.CP0.n.Status |= 0x404;
3096 break;
3097 }
3098 pc0 = psxRegs.CP0.n.EPC + 4;
3099
3100 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3101 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3102 return;
3103
3104 default:
3105#ifdef PSXCPU_LOG
3106 PSXCPU_LOG("unknown bios exception!\n");
3107#endif
3108 break;
3109 }
3110
3111 pc0 = psxRegs.CP0.n.EPC;
3112 if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
3113
3114 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3115 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3116}
3117
3118#define bfreeze(ptr, size) { \
3119 if (Mode == 1) memcpy(&psxR[base], ptr, size); \
3120 if (Mode == 0) memcpy(ptr, &psxR[base], size); \
3121 base += size; \
3122}
3123
3124#define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
3125#define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
3126
3127#define bfreezepsxMptr(ptr, type) { \
3128 if (Mode == 1) { \
3129 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
3130 else psxRu32ref(base) = 0; \
3131 } else { \
3132 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
3133 else (ptr) = NULL; \
3134 } \
3135 base += sizeof(u32); \
3136}
3137
3138void psxBiosFreeze(int Mode) {
3139 u32 base = 0x40000;
3140
3141 bfreezepsxMptr(jmp_int, u32);
3142 bfreezepsxMptr(pad_buf, int);
3143 bfreezepsxMptr(pad_buf1, char);
3144 bfreezepsxMptr(pad_buf2, char);
3145 bfreezepsxMptr(heap_addr, u32);
3146 bfreezel(&pad_buf1len);
3147 bfreezel(&pad_buf2len);
3148 bfreezes(regs);
3149 bfreezes(SysIntRP);
3150 bfreezel(&CardState);
3151 bfreezes(Thread);
3152 bfreezel(&CurThread);
3153 bfreezes(FDesc);
e9fda093 3154 bfreezel(&card_active_chan);
ef79bbde 3155}
ARM optimized PCSX fork