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psxbios: Merge heap fix from PCSX4ALL.
[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;
f25c285b 248static int pad_stopped = 0;
ef79bbde
P		 249
250static u32 regs[35];
251static EvCB *Event;
252static EvCB *HwEV; // 0xf0
253static EvCB *EvEV; // 0xf1
254static EvCB *RcEV; // 0xf2
255static EvCB *UeEV; // 0xf3
256static EvCB *SwEV; // 0xf4
257static EvCB *ThEV; // 0xff
26b964b5 258static u32 heap_size = 0;
ef79bbde
P		 259static u32 *heap_addr = NULL;
260static u32 *heap_end = NULL;
261static u32 SysIntRP[8];
262static int CardState = -1;
263static TCB Thread[8];
264static int CurThread = 0;
265static FileDesc FDesc[32];
e9fda093 266static u32 card_active_chan;
ef79bbde
P		 267
268boolean hleSoftCall = FALSE;
269
270static inline void softCall(u32 pc) {
271 pc0 = pc;
272 ra = 0x80001000;
273
274 hleSoftCall = TRUE;
275
276 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
277
278 hleSoftCall = FALSE;
279}
280
281static inline void softCall2(u32 pc) {
282 u32 sra = ra;
283 pc0 = pc;
284 ra = 0x80001000;
285
286 hleSoftCall = TRUE;
287
288 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
289 ra = sra;
290
291 hleSoftCall = FALSE;
292}
293
294static inline void DeliverEvent(u32 ev, u32 spec) {
295 if (Event[ev][spec].status != EvStACTIVE) return;
296
297// Event[ev][spec].status = EvStALREADY;
298 if (Event[ev][spec].mode == EvMdINTR) {
299 softCall2(Event[ev][spec].fhandler);
300 } else Event[ev][spec].status = EvStALREADY;
301}
302
303static inline void SaveRegs() {
304 memcpy(regs, psxRegs.GPR.r, 32*4);
305 regs[32] = psxRegs.GPR.n.lo;
306 regs[33] = psxRegs.GPR.n.hi;
307 regs[34] = psxRegs.pc;
308}
309
310static inline void LoadRegs() {
311 memcpy(psxRegs.GPR.r, regs, 32*4);
312 psxRegs.GPR.n.lo = regs[32];
313 psxRegs.GPR.n.hi = regs[33];
314}
315
316/* *
317// *
318// *
319// System calls A0 */
320
d99f6068 321
322#define buread(Ra1, mcd, length) { \
323 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); \
324 ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
325 memcpy(Ra1, ptr, length); \
f1514614 326 if (FDesc[1 + mcd].mode & 0x8000) { \
d99f6068 327 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
328 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
f1514614 329 v0 = 0; } \
d99f6068 330 else v0 = length; \
331 FDesc[1 + mcd].offset += v0; \
332}
333
334#define buwrite(Ra1, mcd, length) { \
335 u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
336 SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \
337 ptr = Mcd##mcd##Data + offset; \
338 memcpy(ptr, Ra1, length); \
f1514614 339 FDesc[1 + mcd].offset += length; \
340 if (FDesc[1 + mcd].mode & 0x8000) { \
d99f6068 341 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
342 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
f1514614 343 v0 = 0; } \
d99f6068 344 else v0 = length; \
345}
346
347
324cec89 348/* Internally redirects to "FileRead(fd,tempbuf,1)".*/
349/* For some strange reason, the returned character is sign-expanded; */
350/* So if a return value of FFFFFFFFh could mean either character FFh, or error. */
351/* TODO FIX ME : Properly implement this behaviour */
352void psxBios_getc(void) // 0x03, 0x35
353{
d99f6068 354 char *ptr;
324cec89 355 void *pa1 = Ra1;
356#ifdef PSXBIOS_LOG
357 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x03]);
358#endif
359 v0 = -1;
360
361 if (pa1) {
362 switch (a0) {
363 case 2: buread(pa1, 1, 1); break;
364 case 3: buread(pa1, 2, 1); break;
365 }
366 }
367
368 pc0 = ra;
369}
370
371/* Copy of psxBios_write, except size is 1. */
372void psxBios_putc(void) // 0x09, 0x3B
373{
d99f6068 374 char *ptr;
324cec89 375 void *pa1 = Ra1;
376#ifdef PSXBIOS_LOG
377 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x09]);
378#endif
379 v0 = -1;
380 if (!pa1) {
381 pc0 = ra;
382 return;
383 }
384
385 if (a0 == 1) { // stdout
386 char *ptr = (char *)pa1;
387
388 v0 = a2;
389 while (a2 > 0) {
390 printf("%c", *ptr++); a2--;
391 }
392 pc0 = ra; return;
393 }
394
395 switch (a0) {
396 case 2: buwrite(pa1, 1, 1); break;
397 case 3: buwrite(pa1, 2, 1); break;
398 }
399
400 pc0 = ra;
401}
ef79bbde 402
ba11675c 403void psxBios_todigit(void) // 0x0a
404{
405 int c = a0;
406#ifdef PSXBIOS_LOG
407 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x0a]);
408#endif
409 c &= 0xFF;
410 if (c >= 0x30 && c < 0x3A) {
411 c -= 0x30;
412 }
413 else if (c > 0x60 && c < 0x7B) {
414 c -= 0x20;
415 }
416 else if (c > 0x40 && c < 0x5B) {
417 c = c - 0x41 + 10;
418 }
419 else if (c >= 0x80) {
420 c = -1;
421 }
422 else
423 {
424 c = 0x0098967F;
425 }
426 v0 = c;
427 pc0 = ra;
428}
429
ef79bbde
P		 430void psxBios_abs() { // 0x0e
431 if ((s32)a0 < 0) v0 = -(s32)a0;
432 else v0 = a0;
433 pc0 = ra;
434}
435
436void psxBios_labs() { // 0x0f
437 psxBios_abs();
438}
439
440void psxBios_atoi() { // 0x10
441 s32 n = 0, f = 0;
442 char *p = (char *)Ra0;
443
444 for (;;p++) {
445 switch (*p) {
446 case ' ': case '\t': continue;
447 case '-': f++;
448 case '+': p++;
449 }
450 break;
451 }
452
453 while (*p >= '0' && *p <= '9') {
454 n = n * 10 + *p++ - '0';
455 }
456
457 v0 = (f ? -n : n);
458 pc0 = ra;
459}
460
461void psxBios_atol() { // 0x11
462 psxBios_atoi();
463}
464
465void psxBios_setjmp() { // 0x13
466 u32 *jmp_buf = (u32 *)Ra0;
467 int i;
468
469#ifdef PSXBIOS_LOG
470 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]);
471#endif
472
473 jmp_buf[0] = ra;
474 jmp_buf[1] = sp;
475 jmp_buf[2] = fp;
476 for (i = 0; i < 8; i++) // s0-s7
477 jmp_buf[3 + i] = psxRegs.GPR.r[16 + i];
478 jmp_buf[11] = gp;
479
480 v0 = 0; pc0 = ra;
481}
482
483void psxBios_longjmp() { // 0x14
484 u32 *jmp_buf = (u32 *)Ra0;
485 int i;
486
487#ifdef PSXBIOS_LOG
488 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]);
489#endif
490
491 ra = jmp_buf[0]; /* ra */
492 sp = jmp_buf[1]; /* sp */
493 fp = jmp_buf[2]; /* fp */
494 for (i = 0; i < 8; i++) // s0-s7
495 psxRegs.GPR.r[16 + i] = jmp_buf[3 + i];
496 gp = jmp_buf[11]; /* gp */
497
498 v0 = a1; pc0 = ra;
499}
500
501void psxBios_strcat() { // 0x15
502 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
503
504#ifdef PSXBIOS_LOG
505 PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1);
506#endif
bee52312 507 if (a0 == 0 || a1 == 0)
508 {
509 v0 = 0;
510 pc0 = ra;
511 return;
512 }
ef79bbde
P		 513 while (*p1++);
514 --p1;
515 while ((*p1++ = *p2++) != '\0');
516
517 v0 = a0; pc0 = ra;
518}
519
520void psxBios_strncat() { // 0x16
521 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
522 s32 n = a2;
523
524#ifdef PSXBIOS_LOG
525 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2);
526#endif
f42e1e90 527 if (a0 == 0 || a1 == 0)
528 {
529 v0 = 0;
530 pc0 = ra;
531 return;
532 }
ef79bbde
P		 533 while (*p1++);
534 --p1;
535 while ((*p1++ = *p2++) != '\0') {
536 if (--n < 0) {
537 *--p1 = '\0';
538 break;
539 }
540 }
541
542 v0 = a0; pc0 = ra;
543}
544
545void psxBios_strcmp() { // 0x17
546 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
c044e3e5 547 s32 n=0;
548 if (a0 == 0 && a1 == 0)
549 {
550 v0 = 0;
551 pc0 = ra;
552 return;
553 }
554 else if (a0 == 0 && a1 != 0)
555 {
556 v0 = -1;
557 pc0 = ra;
558 return;
559 }
560 else if (a0 != 0 && a1 == 0)
561 {
562 v0 = 1;
563 pc0 = ra;
564 return;
565 }
ef79bbde
P		 566#ifdef PSXBIOS_LOG
567 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1);
568#endif
569
570 while (*p1 == *p2++) {
c044e3e5 571 n++;
ef79bbde 572 if (*p1++ == '\0') {
c044e3e5 573 v1=n-1;
574 a0+=n;
575 a1+=n;
ef79bbde
P		 576 v0 = 0;
577 pc0 = ra;
578 return;
579 }
580 }
581
582 v0 = (*p1 - *--p2);
c044e3e5 583 v1 = n;
584 a0+=n;
585 a1+=n;
ef79bbde
P		 586 pc0 = ra;
587}
588
589void psxBios_strncmp() { // 0x18
590 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
591 s32 n = a2;
ba4ecb8c 592 if (a0 == 0 && a1 == 0)
593 {
594 v0 = 0;
595 pc0 = ra;
596 return;
597 }
598 else if (a0 == 0 && a1 != 0)
599 {
600 v0 = -1;
601 pc0 = ra;
602 return;
603 }
604 else if (a0 != 0 && a1 == 0)
605 {
606 v0 = 1;
607 pc0 = ra;
608 return;
609 }
ef79bbde
P		 610#ifdef PSXBIOS_LOG
611 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2);
612#endif
613
614 while (--n >= 0 && *p1 == *p2++) {
615 if (*p1++ == '\0') {
616 v0 = 0;
617 pc0 = ra;
ba4ecb8c 618 v1 = a2 - ((a2-n) - 1);
619 a0 += (a2-n) - 1;
620 a1 += (a2-n) - 1;
621 a2 = n;
ef79bbde
P		 622 return;
623 }
624 }
625
626 v0 = (n < 0 ? 0 : *p1 - *--p2);
627 pc0 = ra;
ba4ecb8c 628 v1 = a2 - ((a2-n) - 1);
629 a0 += (a2-n) - 1;
630 a1 += (a2-n) - 1;
631 a2 = n;
ef79bbde
P		 632}
633
634void psxBios_strcpy() { // 0x19
635 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
c3d791f1 636 if (a0 == 0 || a1 == 0)
637 {
638 v0 = 0;
639 pc0 = ra;
640 return;
641 }
ef79bbde
P		 642 while ((*p1++ = *p2++) != '\0');
643
644 v0 = a0; pc0 = ra;
645}
646
647void psxBios_strncpy() { // 0x1a
648 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
649 s32 n = a2, i;
c3d791f1 650 if (a0 == 0 || a1 == 0)
651 {
652 v0 = 0;
653 pc0 = ra;
654 return;
655 }
ef79bbde
P		 656 for (i = 0; i < n; i++) {
657 if ((*p1++ = *p2++) == '\0') {
658 while (++i < n) {
659 *p1++ = '\0';
660 }
661 v0 = a0; pc0 = ra;
662 return;
663 }
664 }
665
666 v0 = a0; pc0 = ra;
667}
668
669void psxBios_strlen() { // 0x1b
670 char *p = (char *)Ra0;
671 v0 = 0;
2c6a5df8 672 if (a0 == 0)
673 {
674 pc0 = ra;
675 return;
676 }
ef79bbde
P		 677 while (*p++) v0++;
678 pc0 = ra;
679}
680
681void psxBios_index() { // 0x1c
682 char *p = (char *)Ra0;
fcf7ec6c 683 if (a0 == 0)
684 {
685 v0 = 0;
686 pc0 = ra;
687 return;
688 }
689
ef79bbde
P		 690 do {
691 if (*p == a1) {
692 v0 = a0 + (p - (char *)Ra0);
693 pc0 = ra;
694 return;
695 }
696 } while (*p++ != '\0');
697
698 v0 = 0; pc0 = ra;
699}
700
701void psxBios_rindex() { // 0x1d
702 char *p = (char *)Ra0;
703
704 v0 = 0;
fcf7ec6c 705 if (a0 == 0)
706 {
707 pc0 = ra;
708 return;
709 }
ef79bbde
P		 710 do {
711 if (*p == a1)
712 v0 = a0 + (p - (char *)Ra0);
713 } while (*p++ != '\0');
714
715 pc0 = ra;
716}
717
718void psxBios_strchr() { // 0x1e
719 psxBios_index();
720}
721
722void psxBios_strrchr() { // 0x1f
723 psxBios_rindex();
724}
725
726void psxBios_strpbrk() { // 0x20
727 char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc;
728
729 while ((c = *p1++) != '\0') {
730 for (scanp = p2; (sc = *scanp++) != '\0';) {
731 if (sc == c) {
732 v0 = a0 + (p1 - 1 - (char *)Ra0);
733 pc0 = ra;
734 return;
735 }
736 }
737 }
738
739 // BUG: return a0 instead of NULL if not found
740 v0 = a0; pc0 = ra;
741}
742
743void psxBios_strspn() { // 0x21
744 char *p1, *p2;
745
746 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
747 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
748 if (*p2 == '\0') break;
749 }
750
751 v0 = p1 - (char *)Ra0; pc0 = ra;
752}
753
754void psxBios_strcspn() { // 0x22
755 char *p1, *p2;
756
757 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
758 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
759 if (*p2 != '\0') break;
760 }
761
762 v0 = p1 - (char *)Ra0; pc0 = ra;
763}
764
765void psxBios_strtok() { // 0x23
766 char *pcA0 = (char *)Ra0;
767 char *pcRet = strtok(pcA0, (char *)Ra1);
768 if (pcRet)
769 v0 = a0 + pcRet - pcA0;
770 else
771 v0 = 0;
772 pc0 = ra;
773}
774
775void psxBios_strstr() { // 0x24
776 char *p = (char *)Ra0, *p1, *p2;
777
778 while (*p != '\0') {
779 p1 = p;
780 p2 = (char *)Ra1;
781
782 while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) {
783 p1++; p2++;
784 }
785
786 if (*p2 == '\0') {
787 v0 = a0 + (p - (char *)Ra0);
788 pc0 = ra;
789 return;
790 }
791
792 p++;
793 }
794
795 v0 = 0; pc0 = ra;
796}
797
798void psxBios_toupper() { // 0x25
799 v0 = (s8)(a0 & 0xff);
800 if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A';
801 pc0 = ra;
802}
803
804void psxBios_tolower() { // 0x26
805 v0 = (s8)(a0 & 0xff);
806 if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A';
807 pc0 = ra;
808}
809
810void psxBios_bcopy() { // 0x27
811 char *p1 = (char *)Ra1, *p2 = (char *)Ra0;
0148ffb7 812 v0 = a0;
813 if (a0 == 0 || a2 > 0x7FFFFFFF)
814 {
815 pc0 = ra;
816 return;
817 }
5ec7acdf 818 while ((s32)a2-- > 0) *p1++ = *p2++;
0148ffb7 819 a2 = 0;
ef79bbde
P		 820 pc0 = ra;
821}
822
823void psxBios_bzero() { // 0x28
824 char *p = (char *)Ra0;
01724d23 825 v0 = a0;
826 /* Same as memset here (See memset below) */
827 if (a1 > 0x7FFFFFFF || a1 == 0)
828 {
829 v0 = 0;
830 pc0 = ra;
831 return;
832 }
833 else if (a0 == 0)
834 {
835 pc0 = ra;
836 return;
837 }
5ec7acdf 838 while ((s32)a1-- > 0) *p++ = '\0';
01724d23 839 a1 = 0;
ef79bbde
P		 840 pc0 = ra;
841}
842
843void psxBios_bcmp() { // 0x29
844 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
845
846 if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; }
847
5ec7acdf 848 while ((s32)a2-- > 0) {
ef79bbde
P		 849 if (*p1++ != *p2++) {
850 v0 = *p1 - *p2; // BUG: compare the NEXT byte
851 pc0 = ra;
852 return;
853 }
854 }
855
856 v0 = 0; pc0 = ra;
857}
858
859void psxBios_memcpy() { // 0x2a
860 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
ef1da3dc 861 s32 n=0;
862 v0 = a0;
863 if (a0 == 0 || a2 > 0x7FFFFFFF)
864 {
865 pc0 = ra;
866 return;
867 }
868 while ((s32)a2-- > 0) {
869 n++;
870 *p1++ = *p2++;
871 }
872 a2 = 0;
873 pc0 = ra;
ef79bbde
P		 874}
875
876void psxBios_memset() { // 0x2b
877 char *p = (char *)Ra0;
3f28b64f 878 v0 = a0;
879 if (a2 > 0x7FFFFFFF || a2 == 0)
880 {
881 v0 = 0;
882 pc0 = ra;
883 return;
884 }
885 if (a0 == 0)
886 {
887 pc0 = ra;
888 return;
889 }
5ec7acdf 890 while ((s32)a2-- > 0) *p++ = (char)a1;
5ec7acdf 891 a2 = 0;
ef79bbde
P		 892 v0 = a0; pc0 = ra;
893}
894
895void psxBios_memmove() { // 0x2c
896 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
112dddf5 897 v0 = a0;
898 if (a0 == 0 || a2 > 0x7FFFFFFF)
899 {
900 pc0 = ra;
901 return;
902 }
ef79bbde
P		 903 if (p2 <= p1 && p2 + a2 > p1) {
904 a2++; // BUG: copy one more byte here
905 p1 += a2;
906 p2 += a2;
5ec7acdf 907 while ((s32)a2-- > 0) *--p1 = *--p2;
ef79bbde 908 } else {
5ec7acdf 909 while ((s32)a2-- > 0) *p1++ = *p2++;
ef79bbde 910 }
112dddf5 911 pc0 = ra;
ef79bbde
P		 912}
913
914void psxBios_memcmp() { // 0x2d
915 psxBios_bcmp();
916}
917
918void psxBios_memchr() { // 0x2e
919 char *p = (char *)Ra0;
920
5ec7acdf 921 while ((s32)a2-- > 0) {
ef79bbde
P		 922 if (*p++ != (s8)a1) continue;
923 v0 = a0 + (p - (char *)Ra0 - 1);
924 pc0 = ra;
925 return;
926 }
927
928 v0 = 0; pc0 = ra;
929}
930
931void psxBios_rand() { // 0x2f
932 u32 s = psxMu32(0x9010) * 1103515245 + 12345;
933 v0 = (s >> 16) & 0x7fff;
934 psxMu32ref(0x9010) = SWAPu32(s);
935 pc0 = ra;
936}
937
938void psxBios_srand() { // 0x30
939 psxMu32ref(0x9010) = SWAPu32(a0);
940 pc0 = ra;
941}
942
943static u32 qscmpfunc, qswidth;
944
945static inline int qscmp(char *a, char *b) {
946 u32 sa0 = a0;
947
948 a0 = sa0 + (a - (char *)PSXM(sa0));
949 a1 = sa0 + (b - (char *)PSXM(sa0));
950
951 softCall2(qscmpfunc);
952
953 a0 = sa0;
954 return (s32)v0;
955}
956
957static inline void qexchange(char *i, char *j) {
958 char t;
959 int n = qswidth;
960
961 do {
962 t = *i;
963 *i++ = *j;
964 *j++ = t;
965 } while (--n);
966}
967
968static inline void q3exchange(char *i, char *j, char *k) {
969 char t;
970 int n = qswidth;
971
972 do {
973 t = *i;
974 *i++ = *k;
975 *k++ = *j;
976 *j++ = t;
977 } while (--n);
978}
979
980static void qsort_main(char *a, char *l) {
981 char *i, *j, *lp, *hp;
982 int c;
983 unsigned int n;
984
985start:
986 if ((n = l - a) <= qswidth)
987 return;
988 n = qswidth * (n / (2 * qswidth));
989 hp = lp = a + n;
990 i = a;
991 j = l - qswidth;
992 while (TRUE) {
993 if (i < lp) {
994 if ((c = qscmp(i, lp)) == 0) {
995 qexchange(i, lp -= qswidth);
996 continue;
997 }
998 if (c < 0) {
999 i += qswidth;
1000 continue;
1001 }
1002 }
1003
1004loop:
1005 if (j > hp) {
1006 if ((c = qscmp(hp, j)) == 0) {
1007 qexchange(hp += qswidth, j);
1008 goto loop;
1009 }
1010 if (c > 0) {
1011 if (i == lp) {
1012 q3exchange(i, hp += qswidth, j);
1013 i = lp += qswidth;
1014 goto loop;
1015 }
1016 qexchange(i, j);
1017 j -= qswidth;
1018 i += qswidth;
1019 continue;
1020 }
1021 j -= qswidth;
1022 goto loop;
1023 }
1024
1025 if (i == lp) {
1026 if (lp - a >= l - hp) {
1027 qsort_main(hp + qswidth, l);
1028 l = lp;
1029 } else {
1030 qsort_main(a, lp);
1031 a = hp + qswidth;
1032 }
1033 goto start;
1034 }
1035
1036 q3exchange(j, lp -= qswidth, i);
1037 j = hp -= qswidth;
1038 }
1039}
1040
1041void psxBios_qsort() { // 0x31
1042 qswidth = a2;
1043 qscmpfunc = a3;
1044 qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
1045
1046 pc0 = ra;
1047}
1048
1049void psxBios_malloc() { // 0x33
808a13bd 1050 unsigned int *chunk, *newchunk = NULL;
1051 unsigned int dsize = 0, csize, cstat;
ef79bbde
P		 1052 int colflag;
1053#ifdef PSXBIOS_LOG
1054 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
1055#endif
26b964b5 1056 if (!a0 || (!heap_size || !heap_addr)) {
1057 v0 = 0;
1058 pc0 = ra;
1059 return;
1060 }
ef79bbde
P		 1061
1062 // scan through heap and combine free chunks of space
1063 chunk = heap_addr;
1064 colflag = 0;
1065 while(chunk < heap_end) {
1066 // get size and status of actual chunk
1067 csize = ((u32)*chunk) & 0xfffffffc;
1068 cstat = ((u32)*chunk) & 1;
1069
26b964b5 1070 // most probably broken heap descriptor
1071 // this fixes Burning Road
1072 if (*chunk == 0) {
1073 newchunk = chunk;
1074 dsize = ((uptr)heap_end - (uptr)chunk) - 4;
1075 colflag = 1;
1076 break;
1077 }
1078
ef79bbde
P		 1079 // it's a free chunk
1080 if(cstat == 1) {
1081 if(colflag == 0) {
1082 newchunk = chunk;
1083 dsize = csize;
1084 colflag = 1; // let's begin a new collection of free memory
1085 }
1086 else dsize += (csize+4); // add the new size including header
1087 }
1088 // not a free chunk: did we start a collection ?
1089 else {
1090 if(colflag == 1) { // collection is over
1091 colflag = 0;
1092 *newchunk = SWAP32(dsize | 1);
1093 }
1094 }
1095
1096 // next chunk
1097 chunk = (u32*)((uptr)chunk + csize + 4);
1098 }
1099 // if neccessary free memory on end of heap
1100 if (colflag == 1)
1101 *newchunk = SWAP32(dsize | 1);
1102
1103 chunk = heap_addr;
1104 csize = ((u32)*chunk) & 0xfffffffc;
1105 cstat = ((u32)*chunk) & 1;
1106 dsize = (a0 + 3) & 0xfffffffc;
1107
1108 // exit on uninitialized heap
1109 if (chunk == NULL) {
26b964b5 1110 printf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
ef79bbde
P		 1111 v0 = 0;
1112 pc0 = ra;
1113 return;
1114 }
1115
1116 // search an unused chunk that is big enough until the end of the heap
26b964b5 1117 while ((dsize > csize || cstat==0) && chunk < heap_end ) {
ef79bbde 1118 chunk = (u32*)((uptr)chunk + csize + 4);
26b964b5 1119
1120 // catch out of memory
1121 if(chunk >= heap_end) {
1122 printf("malloc %x,%x: Out of memory error!\n",
1123 v0, a0);
1124 v0 = 0; pc0 = ra;
1125 return;
1126 }
1127
ef79bbde
P		 1128 csize = ((u32)*chunk) & 0xfffffffc;
1129 cstat = ((u32)*chunk) & 1;
1130 }
1131
ef79bbde
P		 1132 // allocate memory
1133 if(dsize == csize) {
1134 // chunk has same size
1135 *chunk &= 0xfffffffc;
26b964b5 1136 } else if (dsize > csize) {
1137 v0 = 0; pc0 = ra;
1138 return;
1139 } else {
ef79bbde
P		 1140 // split free chunk
1141 *chunk = SWAP32(dsize);
1142 newchunk = (u32*)((uptr)chunk + dsize + 4);
808a13bd 1143 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
ef79bbde
P		 1144 }
1145
1146 // return pointer to allocated memory
26b964b5 1147 v0 = ((uptr)chunk - (uptr)psxM) + 4;
ef79bbde 1148 v0|= 0x80000000;
26b964b5 1149 //printf ("malloc %x,%x\n", v0, a0);
ef79bbde
P		 1150 pc0 = ra;
1151}
1152
1153void psxBios_free() { // 0x34
1154
1155#ifdef PSXBIOS_LOG
1156 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
1157#endif
1158
1159 SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
1160
ba4ecb8c 1161 if (a0)
1162 *(u32*)(Ra0-4) |= 1; // set chunk to free
ef79bbde
P		 1163 pc0 = ra;
1164}
1165
1166void psxBios_calloc() { // 0x37
02949f79 1167 void *pv0;
ef79bbde
P		 1168#ifdef PSXBIOS_LOG
1169 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
1170#endif
1171
1172 a0 = a0 * a1;
1173 psxBios_malloc();
02949f79 1174 pv0 = Rv0;
1175 if (pv0)
1176 memset(pv0, 0, a0);
ef79bbde
P		 1177}
1178
1179void psxBios_realloc() { // 0x38
1180 u32 block = a0;
1181 u32 size = a1;
1182#ifdef PSXBIOS_LOG
1183 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
1184#endif
1185
1186 a0 = block;
391b1d5b 1187 /* If "old_buf" is zero, executes malloc(new_size), and returns r2=new_buf (or 0=failed). */
1188 if (block == 0)
1189 {
1190 psxBios_malloc();
1191 }
1192 /* Else, if "new_size" is zero, executes free(old_buf), and returns r2=garbage. */
1193 else if (size == 0)
1194 {
1195 psxBios_free();
1196 }
1197 /* Else, executes malloc(new_size), bcopy(old_buf,new_buf,new_size), and free(old_buf), and returns r2=new_buf (or 0=failed). */
1198 /* Note that it is not quite implemented this way here. */
1199 else
1200 {
1201 psxBios_free();
1202 a0 = size;
1203 psxBios_malloc();
1204 }
ef79bbde
P		 1205}
1206
1207
1208/* InitHeap(void *block , int n) */
1209void psxBios_InitHeap() { // 0x39
1210 unsigned int size;
1211
1212#ifdef PSXBIOS_LOG
1213 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
1214#endif
1215
1216 if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
1217 else size = a1;
1218
1219 size &= 0xfffffffc;
1220
1221 heap_addr = (u32 *)Ra0;
a85ffa0e 1222 heap_size = size;
1223 heap_end = (u32 *)((u8 *)heap_addr + heap_size);
1224 /* HACKFIX: Commenting out this line fixes GTA2 crash */
1225 //*heap_addr = SWAP32(size | 1);
ef79bbde 1226
c979c3ee 1227 SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
ef79bbde
P		 1228
1229 pc0 = ra;
1230}
1231
1232void psxBios_getchar() { //0x3b
1233 v0 = getchar(); pc0 = ra;
1234}
1235
1236void psxBios_printf() { // 0x3f
1237 char tmp[1024];
1238 char tmp2[1024];
1239 u32 save[4];
1240 char *ptmp = tmp;
1241 int n=1, i=0, j;
02949f79 1242 void *psp;
1243
1244 psp = PSXM(sp);
1245 if (psp) {
1246 memcpy(save, psp, 4 * 4);
1247 psxMu32ref(sp) = SWAP32((u32)a0);
1248 psxMu32ref(sp + 4) = SWAP32((u32)a1);
1249 psxMu32ref(sp + 8) = SWAP32((u32)a2);
1250 psxMu32ref(sp + 12) = SWAP32((u32)a3);
1251 }
ef79bbde
P		 1252
1253 while (Ra0[i]) {
1254 switch (Ra0[i]) {
1255 case '%':
1256 j = 0;
1257 tmp2[j++] = '%';
1258_start:
1259 switch (Ra0[++i]) {
1260 case '.':
1261 case 'l':
1262 tmp2[j++] = Ra0[i]; goto _start;
1263 default:
1264 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
1265 tmp2[j++] = Ra0[i];
1266 goto _start;
1267 }
1268 break;
1269 }
1270 tmp2[j++] = Ra0[i];
1271 tmp2[j] = 0;
1272
1273 switch (Ra0[i]) {
1274 case 'f': case 'F':
1275 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
1276 case 'a': case 'A':
1277 case 'e': case 'E':
1278 case 'g': case 'G':
1279 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
1280 case 'p':
888468ff 1281 case 'i': case 'u':
ef79bbde
P		 1282 case 'd': case 'D':
1283 case 'o': case 'O':
1284 case 'x': case 'X':
1285 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
1286 case 'c':
1287 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
1288 case 's':
1289 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1290 case '%':
1291 *ptmp++ = Ra0[i]; break;
1292 }
1293 i++;
1294 break;
1295 default:
1296 *ptmp++ = Ra0[i++];
1297 }
1298 }
1299 *ptmp = 0;
1300
02949f79 1301 if (psp)
1302 memcpy(psp, save, 4 * 4);
ef79bbde 1303
808a13bd 1304 SysPrintf("%s", tmp);
ef79bbde
P		 1305
1306 pc0 = ra;
1307}
1308
e7e1f572 1309void psxBios_format() { // 0x41
1310 if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0')
1311 {
1312 CreateMcd(Config.Mcd1);
1313 LoadMcd(1, Config.Mcd1);
1314 v0 = 1;
1315 }
1316 else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0')
1317 {
1318 CreateMcd(Config.Mcd2);
1319 LoadMcd(2, Config.Mcd2);
1320 v0 = 1;
1321 }
1322 else
1323 {
1324 v0 = 0;
1325 }
1326 pc0 = ra;
1327}
1328
ef79bbde
P		 1329/*
1330 * long Load(char *name, struct EXEC *header);
1331 */
1332
1333void psxBios_Load() { // 0x42
1334 EXE_HEADER eheader;
02949f79 1335 void *pa1;
ef79bbde
P		 1336
1337#ifdef PSXBIOS_LOG
1338 PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1339#endif
1340
02949f79 1341 pa1 = Ra1;
1342 if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) {
1343 memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC));
ef79bbde
P		 1344 v0 = 1;
1345 } else v0 = 0;
1346
1347 pc0 = ra;
1348}
1349
1350/*
1351 * int Exec(struct EXEC *header , int argc , char **argv);
1352 */
1353
1354void psxBios_Exec() { // 43
1355 EXEC *header = (EXEC*)Ra0;
1356 u32 tmp;
1357
1358#ifdef PSXBIOS_LOG
1359 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1360#endif
1361
1362 header->_sp = sp;
1363 header->_fp = fp;
1364 header->_sp = sp;
1365 header->_gp = gp;
1366 header->ret = ra;
1367 header->base = s0;
1368
1369 if (header->S_addr != 0) {
1370 tmp = header->S_addr + header->s_size;
1371 sp = tmp;
1372 fp = sp;
1373 }
1374
1375 gp = header->gp0;
1376
1377 s0 = a0;
1378
1379 a0 = a1;
1380 a1 = a2;
1381
1382 ra = 0x8000;
1383 pc0 = header->_pc0;
1384}
1385
1386void psxBios_FlushCache() { // 44
1387#ifdef PSXBIOS_LOG
1388 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1389#endif
1390
1391 pc0 = ra;
1392}
1393
1394void psxBios_GPU_dw() { // 0x46
1395 int size;
1396 s32 *ptr;
1397
1398#ifdef PSXBIOS_LOG
1399 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1400#endif
1401
1402 GPU_writeData(0xa0000000);
1403 GPU_writeData((a1<<16)|(a0&0xffff));
1404 GPU_writeData((a3<<16)|(a2&0xffff));
1405 size = (a2*a3+1)/2;
1406 ptr = (s32*)PSXM(Rsp[4]); //that is correct?
1407 do {
1408 GPU_writeData(SWAP32(*ptr));
1409 ptr++;
1410 } while(--size);
1411
1412 pc0 = ra;
1413}
1414
1415void psxBios_mem2vram() { // 0x47
1416 int size;
1417
1418 GPU_writeData(0xa0000000);
1419 GPU_writeData((a1<<16)|(a0&0xffff));
1420 GPU_writeData((a3<<16)|(a2&0xffff));
1421 size = (a2*a3+1)/2;
1422 GPU_writeStatus(0x04000002);
1423 psxHwWrite32(0x1f8010f4,0);
1424 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1425 psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1426 psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1427 psxHwWrite32(0x1f8010a8,0x01000201);
1428
1429 pc0 = ra;
1430}
1431
1432void psxBios_SendGPU() { // 0x48
1433 GPU_writeStatus(a0);
ddbaf678 1434 gpuSyncPluginSR();
ef79bbde
P		 1435 pc0 = ra;
1436}
1437
1438void psxBios_GPU_cw() { // 0x49
1439 GPU_writeData(a0);
1440 pc0 = ra;
1441}
1442
1443void psxBios_GPU_cwb() { // 0x4a
1444 s32 *ptr = (s32*)Ra0;
1445 int size = a1;
1446 while(size--) {
1447 GPU_writeData(SWAP32(*ptr));
1448 ptr++;
1449 }
1450
1451 pc0 = ra;
1452}
1453
1454void psxBios_GPU_SendPackets() { //4b:
1455 GPU_writeStatus(0x04000002);
1456 psxHwWrite32(0x1f8010f4,0);
1457 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1458 psxHwWrite32(0x1f8010a0,a0);
1459 psxHwWrite32(0x1f8010a4,0);
1460 psxHwWrite32(0x1f8010a8,0x010000401);
1461 pc0 = ra;
1462}
1463
1464void psxBios_sys_a0_4c() { // 0x4c GPU relate
1465 psxHwWrite32(0x1f8010a8,0x00000401);
1466 GPU_writeData(0x0400000);
1467 GPU_writeData(0x0200000);
1468 GPU_writeData(0x0100000);
cd1ea245 1469 v0 = 0x1f801814;
ef79bbde
P		 1470 pc0 = ra;
1471}
1472
1473void psxBios_GPU_GetGPUStatus() { // 0x4d
1474 v0 = GPU_readStatus();
1475 pc0 = ra;
1476}
1477
1478#undef s_addr
1479
1480void psxBios_LoadExec() { // 51
1481 EXEC *header = (EXEC*)PSXM(0xf000);
1482 u32 s_addr, s_size;
1483
1484#ifdef PSXBIOS_LOG
1485 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1486#endif
1487 s_addr = a1; s_size = a2;
1488
1489 a1 = 0xf000;
1490 psxBios_Load();
1491
1492 header->S_addr = s_addr;
1493 header->s_size = s_size;
1494
1495 a0 = 0xf000; a1 = 0; a2 = 0;
1496 psxBios_Exec();
1497}
1498
1499void psxBios__bu_init() { // 70
1500#ifdef PSXBIOS_LOG
1501 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1502#endif
1503
1504 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1505 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1506
1507 pc0 = ra;
1508}
1509
1510void psxBios__96_init() { // 71
1511#ifdef PSXBIOS_LOG
1512 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1513#endif
1514
1515 pc0 = ra;
1516}
1517
1518void psxBios__96_remove() { // 72
1519#ifdef PSXBIOS_LOG
1520 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1521#endif
1522
1523 pc0 = ra;
1524}
1525
1526void psxBios_SetMem() { // 9f
1527 u32 new = psxHu32(0x1060);
1528
1529#ifdef PSXBIOS_LOG
1530 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1531#endif
1532
1533 switch(a0) {
1534 case 2:
1535 psxHu32ref(0x1060) = SWAP32(new);
1536 psxMu32ref(0x060) = a0;
1537 SysPrintf("Change effective memory : %d MBytes\n",a0);
1538 break;
1539
1540 case 8:
1541 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1542 psxMu32ref(0x060) = a0;
1543 SysPrintf("Change effective memory : %d MBytes\n",a0);
1544
1545 default:
1546 SysPrintf("Effective memory must be 2/8 MBytes\n");
1547 break;
1548 }
1549
1550 pc0 = ra;
1551}
1552
1553void psxBios__card_info() { // ab
1554#ifdef PSXBIOS_LOG
1555 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1556#endif
76b81516 1557 u32 ret;
e9fda093 1558 card_active_chan = a0;
1559
76b81516 1560 switch (card_active_chan)
1561 {
1562 case 0x00: case 0x01: case 0x02: case 0x03:
1563 ret = Config.Mcd1[0] ? 0x2 : 0x8;
1564 break;
1565 case 0x10: case 0x11: case 0x12: case 0x13:
1566 ret = Config.Mcd2[0] ? 0x2 : 0x8;
1567 break;
1568 default:
1569#ifdef PSXBIOS_LOG
1570 PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan);
1571#endif
1572 ret = 0x11;
1573 break;
1574 }
1575
1576// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
ef79bbde
P		 1577// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1578 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
76b81516 1579 DeliverEvent(0x81, ret); // 0xf4000001, 0x0004
ef79bbde
P		 1580
1581 v0 = 1; pc0 = ra;
1582}
1583
1584void psxBios__card_load() { // ac
1585#ifdef PSXBIOS_LOG
1586 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1587#endif
1588
e9fda093 1589 card_active_chan = a0;
1590
ef79bbde
P		 1591// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1592 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1593
1594 v0 = 1; pc0 = ra;
1595}
1596
1597/* System calls B0 */
1598
1599void psxBios_SetRCnt() { // 02
1600#ifdef PSXBIOS_LOG
1601 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1602#endif
1603
1604 a0&= 0x3;
1605 if (a0 != 3) {
1606 u32 mode=0;
1607
1608 psxRcntWtarget(a0, a1);
1609 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1610 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1611 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1612 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1613 else { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1614
1615 psxRcntWmode(a0, mode);
1616 }
1617 pc0 = ra;
1618}
1619
1620void psxBios_GetRCnt() { // 03
1621#ifdef PSXBIOS_LOG
1622 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1623#endif
1624
1625 a0&= 0x3;
1626 if (a0 != 3) v0 = psxRcntRcount(a0);
1627 else v0 = 0;
1628 pc0 = ra;
1629}
1630
1631void psxBios_StartRCnt() { // 04
1632#ifdef PSXBIOS_LOG
1633 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1634#endif
1635
1636 a0&= 0x3;
1637 if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1638 else psxHu32ref(0x1074)|= SWAPu32(0x1);
1639 v0 = 1; pc0 = ra;
1640}
1641
1642void psxBios_StopRCnt() { // 05
1643#ifdef PSXBIOS_LOG
1644 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1645#endif
1646
1647 a0&= 0x3;
1648 if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1649 else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1650 pc0 = ra;
1651}
1652
1653void psxBios_ResetRCnt() { // 06
1654#ifdef PSXBIOS_LOG
1655 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1656#endif
1657
1658 a0&= 0x3;
1659 if (a0 != 3) {
1660 psxRcntWmode(a0, 0);
1661 psxRcntWtarget(a0, 0);
1662 psxRcntWcount(a0, 0);
1663 }
1664 pc0 = ra;
1665}
1666
1667
1668/* gets ev for use with Event */
1669#define GetEv() \
1670 ev = (a0 >> 24) & 0xf; \
1671 if (ev == 0xf) ev = 0x5; \
1672 ev*= 32; \
1673 ev+= a0&0x1f;
1674
1675/* gets spec for use with Event */
1676#define GetSpec() \
1677 spec = 0; \
1678 switch (a1) { \
1679 case 0x0301: spec = 16; break; \
1680 case 0x0302: spec = 17; break; \
1681 default: \
1682 for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1683 break; \
1684 }
1685
1686void psxBios_DeliverEvent() { // 07
1687 int ev, spec;
1688 int i;
1689
1690 GetEv();
1691 GetSpec();
1692
1693#ifdef PSXBIOS_LOG
1694 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1695#endif
1696
1697 DeliverEvent(ev, spec);
1698
1699 pc0 = ra;
1700}
1701
1702void psxBios_OpenEvent() { // 08
1703 int ev, spec;
1704 int i;
1705
1706 GetEv();
1707 GetSpec();
1708
1709#ifdef PSXBIOS_LOG
1710 PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1711#endif
1712
1713 Event[ev][spec].status = EvStWAIT;
1714 Event[ev][spec].mode = a2;
1715 Event[ev][spec].fhandler = a3;
1716
1717 v0 = ev | (spec << 8);
1718 pc0 = ra;
1719}
1720
1721void psxBios_CloseEvent() { // 09
1722 int ev, spec;
1723
1724 ev = a0 & 0xff;
1725 spec = (a0 >> 8) & 0xff;
1726
1727#ifdef PSXBIOS_LOG
1728 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1729#endif
1730
1731 Event[ev][spec].status = EvStUNUSED;
1732
1733 v0 = 1; pc0 = ra;
1734}
1735
1736void psxBios_WaitEvent() { // 0a
1737 int ev, spec;
1738
1739 ev = a0 & 0xff;
1740 spec = (a0 >> 8) & 0xff;
ef79bbde
P		 1741#ifdef PSXBIOS_LOG
1742 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1743#endif
d95c9dcb 1744 if (Event[ev][spec].status == EvStUNUSED)
1745 {
1746 v0 = 0;
1747 pc0 = ra;
1748 return;
1749 }
ef79bbde 1750
d95c9dcb 1751 if (Event[ev][spec].status == EvStALREADY)
1752 {
1753 /* Callback events (mode=EvMdINTR) do never set the ready flag (and thus WaitEvent would hang forever). */
1754 if (!(Event[ev][spec].mode == EvMdINTR)) Event[ev][spec].status = EvStACTIVE;
1755 v0 = 1;
1756 pc0 = ra;
1757 return;
1758 }
ef79bbde 1759
d95c9dcb 1760 v0 = 0;
1761 pc0 = ra;
ef79bbde
P		 1762}
1763
1764void psxBios_TestEvent() { // 0b
1765 int ev, spec;
1766
1767 ev = a0 & 0xff;
1768 spec = (a0 >> 8) & 0xff;
1769
b4ae2532 1770 if (Event[ev][spec].status == EvStALREADY)
1771 {
1772 if (!(Event[ev][spec].mode == EvMdINTR)) Event[ev][spec].status = EvStACTIVE;
1773 v0 = 1;
1774 }
1775 else
1776 {
1777 v0 = 0;
1778 }
ef79bbde
P		 1779
1780#ifdef PSXBIOS_LOG
1781 PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1782#endif
1783
1784 pc0 = ra;
1785}
1786
1787void psxBios_EnableEvent() { // 0c
1788 int ev, spec;
1789
1790 ev = a0 & 0xff;
1791 spec = (a0 >> 8) & 0xff;
1792
1793#ifdef PSXBIOS_LOG
1794 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1795#endif
1796
1797 Event[ev][spec].status = EvStACTIVE;
1798
1799 v0 = 1; pc0 = ra;
1800}
1801
1802void psxBios_DisableEvent() { // 0d
1803 int ev, spec;
1804
1805 ev = a0 & 0xff;
1806 spec = (a0 >> 8) & 0xff;
1807
1808#ifdef PSXBIOS_LOG
1809 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1810#endif
1811
1812 Event[ev][spec].status = EvStWAIT;
1813
1814 v0 = 1; pc0 = ra;
1815}
1816
1817/*
1818 * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1819 */
1820
1821void psxBios_OpenTh() { // 0e
1822 int th;
1823
1824 for (th=1; th<8; th++)
a66d3058 1825 {
ef79bbde
P		 1826 if (Thread[th].status == 0) break;
1827
a66d3058 1828 }
1829 if (th == 8) {
1830 // Feb 2019 - Added out-of-bounds fix caught by cppcheck:
1831 // When no free TCB is found, return 0xffffffff according to Nocash doc.
1832#ifdef PSXBIOS_LOG
1833 PSXBIOS_LOG("\t%s() WARNING! No Free TCBs found!\n", __func__);
1834#endif
1835 v0 = 0xffffffff;
1836 pc0 = ra;
1837 return;
1838 }
ef79bbde
P		 1839#ifdef PSXBIOS_LOG
1840 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1841#endif
1842
1843 Thread[th].status = 1;
1844 Thread[th].func = a0;
1845 Thread[th].reg[29] = a1;
1846 Thread[th].reg[28] = a2;
1847
1848 v0 = th; pc0 = ra;
1849}
1850
1851/*
1852 * int CloseTh(long thread);
1853 */
1854
1855void psxBios_CloseTh() { // 0f
1856 int th = a0 & 0xff;
1857
1858#ifdef PSXBIOS_LOG
1859 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1860#endif
1861
1862 if (Thread[th].status == 0) {
1863 v0 = 0;
1864 } else {
1865 Thread[th].status = 0;
1866 v0 = 1;
1867 }
1868
1869 pc0 = ra;
1870}
1871
1872/*
1873 * int ChangeTh(long thread);
1874 */
1875
1876void psxBios_ChangeTh() { // 10
1877 int th = a0 & 0xff;
1878
1879#ifdef PSXBIOS_LOG
1880// PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1881#endif
1882
1883 if (Thread[th].status == 0 || CurThread == th) {
1884 v0 = 0;
1885
1886 pc0 = ra;
1887 } else {
1888 v0 = 1;
1889
1890 if (Thread[CurThread].status == 2) {
1891 Thread[CurThread].status = 1;
1892 Thread[CurThread].func = ra;
1893 memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1894 }
1895
1896 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1897 pc0 = Thread[th].func;
1898 Thread[th].status = 2;
1899 CurThread = th;
1900 }
1901}
1902
1903void psxBios_InitPAD() { // 0x12
1904#ifdef PSXBIOS_LOG
1905 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1906#endif
1907
1908 pad_buf1 = (char*)Ra0;
1909 pad_buf1len = a1;
1910 pad_buf2 = (char*)Ra2;
1911 pad_buf2len = a3;
1912
1913 v0 = 1; pc0 = ra;
1914}
1915
1916void psxBios_StartPAD() { // 13
1917#ifdef PSXBIOS_LOG
1918 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1919#endif
f25c285b 1920 pad_stopped = 0;
ef79bbde
P		 1921 psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1922 psxRegs.CP0.n.Status |= 0x401;
1923 pc0 = ra;
1924}
1925
1926void psxBios_StopPAD() { // 14
1927#ifdef PSXBIOS_LOG
1928 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1929#endif
f25c285b 1930 pad_stopped = 1;
8a0245bb 1931 if (pad_buf == 0){
ef79bbde
P		 1932 pad_buf1 = NULL;
1933 pad_buf2 = NULL;
8a0245bb 1934 }
ef79bbde
P		 1935 pc0 = ra;
1936}
1937
1938void psxBios_PAD_init() { // 15
1939#ifdef PSXBIOS_LOG
1940 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1941#endif
a824e83d 1942 if (!(a0 == 0x20000000 || a0 == 0x20000001))
1943 {
1944 v0 = 0;
1945 pc0 = ra;
1946 return;
1947 }
ef79bbde
P		 1948 psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1949 pad_buf = (int *)Ra1;
1950 *pad_buf = -1;
1951 psxRegs.CP0.n.Status |= 0x401;
a824e83d 1952 v0 = 2;
ef79bbde
P		 1953 pc0 = ra;
1954}
1955
1956void psxBios_PAD_dr() { // 16
1957#ifdef PSXBIOS_LOG
1958 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1959#endif
1960
1961 v0 = -1; pc0 = ra;
1962}
1963
1964void psxBios_ReturnFromException() { // 17
1965 LoadRegs();
1966
1967 pc0 = psxRegs.CP0.n.EPC;
1968 if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1969
1970 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1971 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1972}
1973
1974void psxBios_ResetEntryInt() { // 18
1975#ifdef PSXBIOS_LOG
1976 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1977#endif
1978
1979 jmp_int = NULL;
1980 pc0 = ra;
1981}
1982
1983void psxBios_HookEntryInt() { // 19
1984#ifdef PSXBIOS_LOG
1985 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
1986#endif
1987
1988 jmp_int = (u32*)Ra0;
1989 pc0 = ra;
1990}
1991
1992void psxBios_UnDeliverEvent() { // 0x20
1993 int ev, spec;
1994 int i;
1995
1996 GetEv();
1997 GetSpec();
1998
1999#ifdef PSXBIOS_LOG
2000 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
2001#endif
2002
2003 if (Event[ev][spec].status == EvStALREADY &&
2004 Event[ev][spec].mode == EvMdNOINTR)
2005 Event[ev][spec].status = EvStACTIVE;
2006
2007 pc0 = ra;
2008}
2009
595a136b 2010char ffile[64], *pfile;
2011int nfile;
2012static void buopen(int mcd, u8 *ptr, u8 *cfg)
2013{
2014 int i;
2015 u8 *fptr = ptr;
2016
2017 strcpy(FDesc[1 + mcd].name, Ra0+5);
2018 FDesc[1 + mcd].offset = 0;
2019 FDesc[1 + mcd].mode = a1;
2020
2021 for (i=1; i<16; i++) {
2022 fptr += 128;
2023 if ((*fptr & 0xF0) != 0x50) continue;
2024 if (strcmp(FDesc[1 + mcd].name, fptr+0xa)) continue;
2025 FDesc[1 + mcd].mcfile = i;
2026 SysPrintf("open %s\n", fptr+0xa);
2027 v0 = 1 + mcd;
2028 break;
2029 }
2030 if (a1 & 0x200 && v0 == -1) { /* FCREAT */
2031 fptr = ptr;
2032 for (i=1; i<16; i++) {
2033 int j, xor, nblk = a1 >> 16;
2034 u8 *pptr, *fptr2;
2035
2036 fptr += 128;
2037 if ((*fptr & 0xF0) != 0xa0) continue;
2038
2039 FDesc[1 + mcd].mcfile = i;
2040 fptr[0] = 0x51;
2041 fptr[4] = 0x00;
2042 fptr[5] = 0x20 * nblk;
2043 fptr[6] = 0x00;
2044 fptr[7] = 0x00;
2045 strcpy(fptr+0xa, FDesc[1 + mcd].name);
2046 pptr = fptr2 = fptr;
2047 for(j=2; j<=nblk; j++) {
2048 int k;
2049 for(i++; i<16; i++) {
2050 fptr2 += 128;
2051
2052 memset(fptr2, 0, 128);
2053 fptr2[0] = j < nblk ? 0x52 : 0x53;
2054 pptr[8] = i - 1;
2055 pptr[9] = 0;
2056 for (k=0, xor=0; k<127; k++) xor^= pptr[k];
2057 pptr[127] = xor;
2058 pptr = fptr2;
2059 break;
2060 }
2061 /* shouldn't this return ENOSPC if i == 16? */
2062 }
2063 pptr[8] = pptr[9] = 0xff;
2064 for (j=0, xor=0; j<127; j++) xor^= pptr[j];
2065 pptr[127] = xor;
2066 SysPrintf("openC %s %d\n", ptr, nblk);
2067 v0 = 1 + mcd;
2068 /* just go ahead and resave them all */
2069 SaveMcd(cfg, ptr, 128, 128 * 15);
2070 break;
2071 }
2072 /* shouldn't this return ENOSPC if i == 16? */
2073 }
ef79bbde
P		 2074}
2075
2076/*
2077 * int open(char *name , int mode);
2078 */
2079
2080void psxBios_open() { // 0x32
2081 int i;
2082 char *ptr;
02949f79 2083 void *pa0 = Ra0;
ef79bbde
P		 2084
2085#ifdef PSXBIOS_LOG
2086 PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
2087#endif
2088
2089 v0 = -1;
2090
02949f79 2091 if (pa0) {
2092 if (!strncmp(pa0, "bu00", 4)) {
595a136b 2093 buopen(1, Mcd1Data, Config.Mcd1);
02949f79 2094 }
ef79bbde 2095
02949f79 2096 if (!strncmp(pa0, "bu10", 4)) {
595a136b 2097 buopen(2, Mcd2Data, Config.Mcd2);
02949f79 2098 }
ef79bbde
P		 2099 }
2100
2101 pc0 = ra;
2102}
2103
2104/*
2105 * int lseek(int fd , int offset , int whence);
2106 */
2107
2108void psxBios_lseek() { // 0x33
2109#ifdef PSXBIOS_LOG
2110 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
2111#endif
2112
2113 switch (a2) {
2114 case 0: // SEEK_SET
2115 FDesc[a0].offset = a1;
2116 v0 = a1;
2117// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2118// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2119 break;
2120
2121 case 1: // SEEK_CUR
2122 FDesc[a0].offset+= a1;
2123 v0 = FDesc[a0].offset;
2124 break;
2125 }
2126
2127 pc0 = ra;
2128}
2129
595a136b 2130
ef79bbde
P		 2131/*
2132 * int read(int fd , void *buf , int nbytes);
2133 */
2134
2135void psxBios_read() { // 0x34
2136 char *ptr;
02949f79 2137 void *pa1 = Ra1;
ef79bbde
P		 2138
2139#ifdef PSXBIOS_LOG
2140 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
2141#endif
2142
2143 v0 = -1;
2144
02949f79 2145 if (pa1) {
2146 switch (a0) {
595a136b 2147 case 2: buread(pa1, 1, a2); break;
2148 case 3: buread(pa1, 2, a2); break;
02949f79 2149 }
ef79bbde
P		 2150 }
2151
2152 pc0 = ra;
2153}
2154
ef79bbde
P		 2155/*
2156 * int write(int fd , void *buf , int nbytes);
2157 */
2158
2159void psxBios_write() { // 0x35/0x03
2160 char *ptr;
02949f79 2161 void *pa1 = Ra1;
2162
2163#ifdef PSXBIOS_LOG
2164 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
2165#endif
2166
2167 v0 = -1;
2168 if (!pa1) {
2169 pc0 = ra;
2170 return;
2171 }
ef79bbde
P		 2172
2173 if (a0 == 1) { // stdout
02949f79 2174 char *ptr = pa1;
ef79bbde 2175
02949f79 2176 v0 = a2;
ef79bbde
P		 2177 while (a2 > 0) {
2178 SysPrintf("%c", *ptr++); a2--;
2179 }
2180 pc0 = ra; return;
2181 }
ef79bbde
P		 2182
2183 switch (a0) {
595a136b 2184 case 2: buwrite(pa1, 1, a2); break;
2185 case 3: buwrite(pa1, 2, a2); break;
ef79bbde
P		 2186 }
2187
2188 pc0 = ra;
2189}
2190
2191/*
2192 * int close(int fd);
2193 */
2194
2195void psxBios_close() { // 0x36
2196#ifdef PSXBIOS_LOG
2197 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
2198#endif
2199
2200 v0 = a0;
2201 pc0 = ra;
2202}
2203
2204void psxBios_putchar() { // 3d
2205 SysPrintf("%c", (char)a0);
2206 pc0 = ra;
2207}
2208
2209void psxBios_puts() { // 3e/3f
808a13bd 2210 SysPrintf("%s", Ra0);
ef79bbde
P		 2211 pc0 = ra;
2212}
2213
2214char ffile[64], *pfile;
2215int nfile;
2216
f1514614 2217
2218/* To avoid any issues with different behaviour when using the libc's own strlen instead.
2219 * We want to mimic the PSX's behaviour in this case for bufile. */
2220static size_t strlen_internal(char* p)
2221{
2222 size_t size_of_array = 0;
2223 while (*p++) size_of_array++;
2224 return size_of_array;
2225}
2226
ef79bbde 2227#define bufile(mcd) { \
f1514614 2228 size_t size_of_name = strlen_internal(dir->name); \
ef79bbde
P		 2229 while (nfile < 16) { \
2230 int match=1; \
2231 \
595a136b 2232 ptr = Mcd##mcd##Data + 128 * (nfile + 1); \
ef79bbde
P		 2233 nfile++; \
2234 if ((*ptr & 0xF0) != 0x50) continue; \
595a136b 2235 /* Bug link files show up as free block. */ \
2236 if (!ptr[0xa]) continue; \
ef79bbde
P		 2237 ptr+= 0xa; \
2238 if (pfile[0] == 0) { \
f1514614 2239 strncpy(dir->name, ptr, sizeof(dir->name) - 1); \
2240 if (size_of_name < sizeof(dir->name)) dir->name[size_of_name] = '\0'; \
ef79bbde
P		 2241 } else for (i=0; i<20; i++) { \
2242 if (pfile[i] == ptr[i]) { \
595a136b 2243 dir->name[i] = ptr[i]; continue; } \
ef79bbde
P		 2244 if (pfile[i] == '?') { \
2245 dir->name[i] = ptr[i]; continue; } \
2246 if (pfile[i] == '*') { \
2247 strcpy(dir->name+i, ptr+i); break; } \
2248 match = 0; break; \
2249 } \
2250 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
595a136b 2251 if (match == 0) { continue; } \
ef79bbde
P		 2252 dir->size = 8192; \
2253 v0 = _dir; \
2254 break; \
2255 } \
2256}
2257
2258/*
2259 * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
2260 */
2261
2262void psxBios_firstfile() { // 42
2263 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
02949f79 2264 void *pa0 = Ra0;
ef79bbde
P		 2265 u32 _dir = a1;
2266 char *ptr;
2267 int i;
2268
2269#ifdef PSXBIOS_LOG
2270 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
2271#endif
2272
2273 v0 = 0;
2274
02949f79 2275 if (pa0) {
2276 strcpy(ffile, pa0);
2277 pfile = ffile+5;
2278 nfile = 1;
2279 if (!strncmp(pa0, "bu00", 4)) {
857fabea 2280 // firstfile() calls _card_read() internally, so deliver it's event
2281 DeliverEvent(0x11, 0x2);
02949f79 2282 bufile(1);
2283 } else if (!strncmp(pa0, "bu10", 4)) {
857fabea 2284 // firstfile() calls _card_read() internally, so deliver it's event
2285 DeliverEvent(0x11, 0x2);
02949f79 2286 bufile(2);
2287 }
ef79bbde
P		 2288 }
2289
2290 pc0 = ra;
2291}
2292
2293/*
2294 * struct DIRENTRY* nextfile(struct DIRENTRY *dir);
2295 */
2296
2297void psxBios_nextfile() { // 43
2298 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
2299 u32 _dir = a0;
2300 char *ptr;
2301 int i;
2302
2303#ifdef PSXBIOS_LOG
2304 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
2305#endif
2306
2307 v0 = 0;
2308
2309 if (!strncmp(ffile, "bu00", 4)) {
2310 bufile(1);
2311 }
2312
2313 if (!strncmp(ffile, "bu10", 4)) {
2314 bufile(2);
2315 }
2316
2317 pc0 = ra;
2318}
2319
2320#define burename(mcd) { \
2321 for (i=1; i<16; i++) { \
2322 int namelen, j, xor = 0; \
2323 ptr = Mcd##mcd##Data + 128 * i; \
2324 if ((*ptr & 0xF0) != 0x50) continue; \
2325 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2326 namelen = strlen(Ra1+5); \
2327 memcpy(ptr+0xa, Ra1+5, namelen); \
2328 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
2329 for (j=0; j<127; j++) xor^= ptr[j]; \
2330 ptr[127] = xor; \
2331 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
2332 v0 = 1; \
2333 break; \
2334 } \
2335}
2336
2337/*
2338 * int rename(char *old, char *new);
2339 */
2340
2341void psxBios_rename() { // 44
02949f79 2342 void *pa0 = Ra0;
2343 void *pa1 = Ra1;
ef79bbde
P		 2344 char *ptr;
2345 int i;
2346
2347#ifdef PSXBIOS_LOG
2348 PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
2349#endif
2350
2351 v0 = 0;
2352
02949f79 2353 if (pa0 && pa1) {
2354 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
2355 burename(1);
2356 }
ef79bbde 2357
02949f79 2358 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
2359 burename(2);
2360 }
ef79bbde
P		 2361 }
2362
2363 pc0 = ra;
2364}
2365
2366
2367#define budelete(mcd) { \
2368 for (i=1; i<16; i++) { \
2369 ptr = Mcd##mcd##Data + 128 * i; \
2370 if ((*ptr & 0xF0) != 0x50) continue; \
2371 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2372 *ptr = (*ptr & 0xf) | 0xA0; \
2373 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
2374 SysPrintf("delete %s\n", ptr+0xa); \
2375 v0 = 1; \
2376 break; \
2377 } \
2378}
2379
2380/*
2381 * int delete(char *name);
2382 */
2383
2384void psxBios_delete() { // 45
02949f79 2385 void *pa0 = Ra0;
ef79bbde
P		 2386 char *ptr;
2387 int i;
2388
2389#ifdef PSXBIOS_LOG
2390 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2391#endif
2392
2393 v0 = 0;
2394
02949f79 2395 if (pa0) {
2396 if (!strncmp(pa0, "bu00", 4)) {
2397 budelete(1);
2398 }
ef79bbde 2399
02949f79 2400 if (!strncmp(pa0, "bu10", 4)) {
2401 budelete(2);
2402 }
ef79bbde
P		 2403 }
2404
2405 pc0 = ra;
2406}
2407
2408void psxBios_InitCARD() { // 4a
2409#ifdef PSXBIOS_LOG
2410 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2411#endif
2412
2413 CardState = 0;
2414
2415 pc0 = ra;
2416}
2417
2418void psxBios_StartCARD() { // 4b
2419#ifdef PSXBIOS_LOG
2420 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2421#endif
2422
2423 if (CardState == 0) CardState = 1;
2424
2425 pc0 = ra;
2426}
2427
2428void psxBios_StopCARD() { // 4c
2429#ifdef PSXBIOS_LOG
2430 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2431#endif
2432
2433 if (CardState == 1) CardState = 0;
2434
2435 pc0 = ra;
2436}
2437
2438void psxBios__card_write() { // 0x4e
02949f79 2439 void *pa2 = Ra2;
ef79bbde
P		 2440 int port;
2441
2442#ifdef PSXBIOS_LOG
2443 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2444#endif
bd48ba5e 2445 /* Function also accepts sector 400h (a bug) */
2446 if (!(a1 <= 0x400))
2447 {
2448 /* Invalid sectors */
2449 v0 = 0; pc0 = ra;
2450 return;
2451 }
e9fda093 2452 card_active_chan = a0;
ef79bbde
P		 2453 port = a0 >> 4;
2454
02949f79 2455 if (pa2) {
2456 if (port == 0) {
2457 memcpy(Mcd1Data + a1 * 128, pa2, 128);
2458 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2459 } else {
2460 memcpy(Mcd2Data + a1 * 128, pa2, 128);
2461 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2462 }
ef79bbde
P		 2463 }
2464
2465 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2466// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2467
2468 v0 = 1; pc0 = ra;
2469}
2470
2471void psxBios__card_read() { // 0x4f
02949f79 2472 void *pa2 = Ra2;
ef79bbde
P		 2473 int port;
2474
2475#ifdef PSXBIOS_LOG
2476 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2477#endif
bd48ba5e 2478 /* Function also accepts sector 400h (a bug) */
2479 if (!(a1 <= 0x400))
2480 {
2481 /* Invalid sectors */
2482 v0 = 0; pc0 = ra;
2483 return;
2484 }
e9fda093 2485 card_active_chan = a0;
ef79bbde
P		 2486 port = a0 >> 4;
2487
02949f79 2488 if (pa2) {
2489 if (port == 0) {
2490 memcpy(pa2, Mcd1Data + a1 * 128, 128);
2491 } else {
2492 memcpy(pa2, Mcd2Data + a1 * 128, 128);
2493 }
ef79bbde
P		 2494 }
2495
2496 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2497// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2498
2499 v0 = 1; pc0 = ra;
2500}
2501
2502void psxBios__new_card() { // 0x50
2503#ifdef PSXBIOS_LOG
2504 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2505#endif
2506
2507 pc0 = ra;
2508}
2509
002b2f7d 2510/* According to a user, this allows Final Fantasy Tactics to save/load properly */
2511void psxBios__get_error(void) // 55
2512{
2513 v0 = 0;
2514 pc0 = ra;
2515}
2516
ef79bbde
P		 2517void psxBios_Krom2RawAdd() { // 0x51
2518 int i = 0;
2519
2520 const u32 table_8140[][2] = {
2521 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2522 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2523 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2524 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2525 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2526 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2527 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2528 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2529 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2530 {0xffff, 0}
2531 };
2532
2533 const u32 table_889f[][2] = {
2534 {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4},
2535 {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304},
2536 {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14},
2537 {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24},
2538 {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734},
2539 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2540 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2541 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2542 {0xffff, 0}
2543 };
2544
2545 if (a0 >= 0x8140 && a0 <= 0x84be) {
2546 while (table_8140[i][0] <= a0) i++;
2547 a0 -= table_8140[i - 1][0];
2548 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2549 } else if (a0 >= 0x889f && a0 <= 0x9872) {
2550 while (table_889f[i][0] <= a0) i++;
2551 a0 -= table_889f[i - 1][0];
2552 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2553 } else {
2554 v0 = 0xffffffff;
2555 }
2556
2557 pc0 = ra;
2558}
2559
2560void psxBios_GetC0Table() { // 56
2561#ifdef PSXBIOS_LOG
2562 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2563#endif
2564
2565 v0 = 0x674; pc0 = ra;
2566}
2567
2568void psxBios_GetB0Table() { // 57
2569#ifdef PSXBIOS_LOG
2570 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2571#endif
2572
2573 v0 = 0x874; pc0 = ra;
2574}
2575
e9fda093 2576void psxBios__card_chan() { // 0x58
2577#ifdef PSXBIOS_LOG
2578 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2579#endif
2580
2581 v0 = card_active_chan;
2582 pc0 = ra;
2583}
2584
ef79bbde
P		 2585void psxBios_ChangeClearPad() { // 5b
2586#ifdef PSXBIOS_LOG
2587 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2588#endif
2589
2590 pc0 = ra;
2591}
2592
21af3ff6 2593void psxBios__card_status() { // 5c
2594#ifdef PSXBIOS_LOG
2595 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5c], a0);
2596#endif
2597
2598 v0 = 1;
2599 pc0 = ra;
2600}
2601
ef79bbde
P		 2602/* System calls C0 */
2603
2604/*
2605 * int SysEnqIntRP(int index , long *queue);
2606 */
2607
2608void psxBios_SysEnqIntRP() { // 02
2609#ifdef PSXBIOS_LOG
2610 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2611#endif
2612
2613 SysIntRP[a0] = a1;
2614
2615 v0 = 0; pc0 = ra;
2616}
2617
2618/*
2619 * int SysDeqIntRP(int index , long *queue);
2620 */
2621
2622void psxBios_SysDeqIntRP() { // 03
2623#ifdef PSXBIOS_LOG
2624 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2625#endif
2626
2627 SysIntRP[a0] = 0;
2628
2629 v0 = 0; pc0 = ra;
2630}
2631
2632void psxBios_ChangeClearRCnt() { // 0a
2633 u32 *ptr;
2634
2635#ifdef PSXBIOS_LOG
2636 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2637#endif
2638
2639 ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2640 v0 = *ptr;
2641 *ptr = a1;
2642
2643// psxRegs.CP0.n.Status|= 0x404;
2644 pc0 = ra;
2645}
2646
2647void psxBios_dummy() {
2648#ifdef PSXBIOS_LOG
2649 PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2650#endif
2651 pc0 = ra;
2652}
2653
2654void (*biosA0[256])();
2655void (*biosB0[256])();
2656void (*biosC0[256])();
2657
2658#include "sjisfont.h"
2659
2660void psxBiosInit() {
2661 u32 base, size;
2662 u32 *ptr;
2663 int i;
2664 uLongf len;
2665
2666 for(i = 0; i < 256; i++) {
2667 biosA0[i] = NULL;
2668 biosB0[i] = NULL;
2669 biosC0[i] = NULL;
2670 }
2671 biosA0[0x3e] = psxBios_puts;
2672 biosA0[0x3f] = psxBios_printf;
2673
2674 biosB0[0x3d] = psxBios_putchar;
2675 biosB0[0x3f] = psxBios_puts;
2676
2677 if (!Config.HLE) return;
2678
2679 for(i = 0; i < 256; i++) {
2680 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2681 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2682 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2683 }
2684
2685 biosA0[0x00] = psxBios_open;
2686 biosA0[0x01] = psxBios_lseek;
2687 biosA0[0x02] = psxBios_read;
2688 biosA0[0x03] = psxBios_write;
2689 biosA0[0x04] = psxBios_close;
2690 //biosA0[0x05] = psxBios_ioctl;
2691 //biosA0[0x06] = psxBios_exit;
2692 //biosA0[0x07] = psxBios_sys_a0_07;
324cec89 2693 biosA0[0x08] = psxBios_getc;
2694 biosA0[0x09] = psxBios_putc;
ba11675c 2695 biosA0[0x0a] = psxBios_todigit;
ef79bbde
P		 2696 //biosA0[0x0b] = psxBios_atof;
2697 //biosA0[0x0c] = psxBios_strtoul;
2698 //biosA0[0x0d] = psxBios_strtol;
2699 biosA0[0x0e] = psxBios_abs;
2700 biosA0[0x0f] = psxBios_labs;
2701 biosA0[0x10] = psxBios_atoi;
2702 biosA0[0x11] = psxBios_atol;
2703 //biosA0[0x12] = psxBios_atob;
2704 biosA0[0x13] = psxBios_setjmp;
2705 biosA0[0x14] = psxBios_longjmp;
2706 biosA0[0x15] = psxBios_strcat;
2707 biosA0[0x16] = psxBios_strncat;
2708 biosA0[0x17] = psxBios_strcmp;
2709 biosA0[0x18] = psxBios_strncmp;
2710 biosA0[0x19] = psxBios_strcpy;
2711 biosA0[0x1a] = psxBios_strncpy;
2712 biosA0[0x1b] = psxBios_strlen;
2713 biosA0[0x1c] = psxBios_index;
2714 biosA0[0x1d] = psxBios_rindex;
2715 biosA0[0x1e] = psxBios_strchr;
2716 biosA0[0x1f] = psxBios_strrchr;
2717 biosA0[0x20] = psxBios_strpbrk;
2718 biosA0[0x21] = psxBios_strspn;
2719 biosA0[0x22] = psxBios_strcspn;
2720 biosA0[0x23] = psxBios_strtok;
2721 biosA0[0x24] = psxBios_strstr;
2722 biosA0[0x25] = psxBios_toupper;
2723 biosA0[0x26] = psxBios_tolower;
2724 biosA0[0x27] = psxBios_bcopy;
2725 biosA0[0x28] = psxBios_bzero;
2726 biosA0[0x29] = psxBios_bcmp;
2727 biosA0[0x2a] = psxBios_memcpy;
2728 biosA0[0x2b] = psxBios_memset;
2729 biosA0[0x2c] = psxBios_memmove;
2730 biosA0[0x2d] = psxBios_memcmp;
2731 biosA0[0x2e] = psxBios_memchr;
2732 biosA0[0x2f] = psxBios_rand;
2733 biosA0[0x30] = psxBios_srand;
2734 biosA0[0x31] = psxBios_qsort;
2735 //biosA0[0x32] = psxBios_strtod;
2736 biosA0[0x33] = psxBios_malloc;
2737 biosA0[0x34] = psxBios_free;
2738 //biosA0[0x35] = psxBios_lsearch;
2739 //biosA0[0x36] = psxBios_bsearch;
2740 biosA0[0x37] = psxBios_calloc;
2741 biosA0[0x38] = psxBios_realloc;
2742 biosA0[0x39] = psxBios_InitHeap;
2743 //biosA0[0x3a] = psxBios__exit;
2744 biosA0[0x3b] = psxBios_getchar;
2745 biosA0[0x3c] = psxBios_putchar;
2746 //biosA0[0x3d] = psxBios_gets;
2747 //biosA0[0x40] = psxBios_sys_a0_40;
2748 //biosA0[0x41] = psxBios_LoadTest;
2749 biosA0[0x42] = psxBios_Load;
2750 biosA0[0x43] = psxBios_Exec;
2751 biosA0[0x44] = psxBios_FlushCache;
2752 //biosA0[0x45] = psxBios_InstallInterruptHandler;
2753 biosA0[0x46] = psxBios_GPU_dw;
2754 biosA0[0x47] = psxBios_mem2vram;
2755 biosA0[0x48] = psxBios_SendGPU;
2756 biosA0[0x49] = psxBios_GPU_cw;
2757 biosA0[0x4a] = psxBios_GPU_cwb;
2758 biosA0[0x4b] = psxBios_GPU_SendPackets;
2759 biosA0[0x4c] = psxBios_sys_a0_4c;
2760 biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2761 //biosA0[0x4e] = psxBios_GPU_sync;
2762 //biosA0[0x4f] = psxBios_sys_a0_4f;
2763 //biosA0[0x50] = psxBios_sys_a0_50;
2764 biosA0[0x51] = psxBios_LoadExec;
2765 //biosA0[0x52] = psxBios_GetSysSp;
2766 //biosA0[0x53] = psxBios_sys_a0_53;
2767 //biosA0[0x54] = psxBios__96_init_a54;
2768 //biosA0[0x55] = psxBios__bu_init_a55;
2769 //biosA0[0x56] = psxBios__96_remove_a56;
2770 //biosA0[0x57] = psxBios_sys_a0_57;
2771 //biosA0[0x58] = psxBios_sys_a0_58;
2772 //biosA0[0x59] = psxBios_sys_a0_59;
2773 //biosA0[0x5a] = psxBios_sys_a0_5a;
2774 //biosA0[0x5b] = psxBios_dev_tty_init;
2775 //biosA0[0x5c] = psxBios_dev_tty_open;
2776 //biosA0[0x5d] = psxBios_sys_a0_5d;
2777 //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2778 //biosA0[0x5f] = psxBios_dev_cd_open;
2779 //biosA0[0x60] = psxBios_dev_cd_read;
2780 //biosA0[0x61] = psxBios_dev_cd_close;
2781 //biosA0[0x62] = psxBios_dev_cd_firstfile;
2782 //biosA0[0x63] = psxBios_dev_cd_nextfile;
2783 //biosA0[0x64] = psxBios_dev_cd_chdir;
2784 //biosA0[0x65] = psxBios_dev_card_open;
2785 //biosA0[0x66] = psxBios_dev_card_read;
2786 //biosA0[0x67] = psxBios_dev_card_write;
2787 //biosA0[0x68] = psxBios_dev_card_close;
2788 //biosA0[0x69] = psxBios_dev_card_firstfile;
2789 //biosA0[0x6a] = psxBios_dev_card_nextfile;
2790 //biosA0[0x6b] = psxBios_dev_card_erase;
2791 //biosA0[0x6c] = psxBios_dev_card_undelete;
2792 //biosA0[0x6d] = psxBios_dev_card_format;
2793 //biosA0[0x6e] = psxBios_dev_card_rename;
2794 //biosA0[0x6f] = psxBios_dev_card_6f;
2795 biosA0[0x70] = psxBios__bu_init;
2796 biosA0[0x71] = psxBios__96_init;
2797 biosA0[0x72] = psxBios__96_remove;
2798 //biosA0[0x73] = psxBios_sys_a0_73;
2799 //biosA0[0x74] = psxBios_sys_a0_74;
2800 //biosA0[0x75] = psxBios_sys_a0_75;
2801 //biosA0[0x76] = psxBios_sys_a0_76;
2802 //biosA0[0x77] = psxBios_sys_a0_77;
2803 //biosA0[0x78] = psxBios__96_CdSeekL;
2804 //biosA0[0x79] = psxBios_sys_a0_79;
2805 //biosA0[0x7a] = psxBios_sys_a0_7a;
2806 //biosA0[0x7b] = psxBios_sys_a0_7b;
2807 //biosA0[0x7c] = psxBios__96_CdGetStatus;
2808 //biosA0[0x7d] = psxBios_sys_a0_7d;
2809 //biosA0[0x7e] = psxBios__96_CdRead;
2810 //biosA0[0x7f] = psxBios_sys_a0_7f;
2811 //biosA0[0x80] = psxBios_sys_a0_80;
2812 //biosA0[0x81] = psxBios_sys_a0_81;
2813 //biosA0[0x82] = psxBios_sys_a0_82;
2814 //biosA0[0x83] = psxBios_sys_a0_83;
2815 //biosA0[0x84] = psxBios_sys_a0_84;
2816 //biosA0[0x85] = psxBios__96_CdStop;
2817 //biosA0[0x86] = psxBios_sys_a0_86;
2818 //biosA0[0x87] = psxBios_sys_a0_87;
2819 //biosA0[0x88] = psxBios_sys_a0_88;
2820 //biosA0[0x89] = psxBios_sys_a0_89;
2821 //biosA0[0x8a] = psxBios_sys_a0_8a;
2822 //biosA0[0x8b] = psxBios_sys_a0_8b;
2823 //biosA0[0x8c] = psxBios_sys_a0_8c;
2824 //biosA0[0x8d] = psxBios_sys_a0_8d;
2825 //biosA0[0x8e] = psxBios_sys_a0_8e;
2826 //biosA0[0x8f] = psxBios_sys_a0_8f;
2827 //biosA0[0x90] = psxBios_sys_a0_90;
2828 //biosA0[0x91] = psxBios_sys_a0_91;
2829 //biosA0[0x92] = psxBios_sys_a0_92;
2830 //biosA0[0x93] = psxBios_sys_a0_93;
2831 //biosA0[0x94] = psxBios_sys_a0_94;
2832 //biosA0[0x95] = psxBios_sys_a0_95;
2833 //biosA0[0x96] = psxBios_AddCDROMDevice;
2834 //biosA0[0x97] = psxBios_AddMemCardDevide;
2835 //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2836 //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2837 //biosA0[0x9a] = psxBios_sys_a0_9a;
2838 //biosA0[0x9b] = psxBios_sys_a0_9b;
2839 //biosA0[0x9c] = psxBios_SetConf;
2840 //biosA0[0x9d] = psxBios_GetConf;
2841 //biosA0[0x9e] = psxBios_sys_a0_9e;
2842 biosA0[0x9f] = psxBios_SetMem;
2843 //biosA0[0xa0] = psxBios__boot;
2844 //biosA0[0xa1] = psxBios_SystemError;
2845 //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2846 //biosA0[0xa3] = psxBios_DequeueCdIntr;
2847 //biosA0[0xa4] = psxBios_sys_a0_a4;
2848 //biosA0[0xa5] = psxBios_ReadSector;
2849 //biosA0[0xa6] = psxBios_get_cd_status;
2850 //biosA0[0xa7] = psxBios_bufs_cb_0;
2851 //biosA0[0xa8] = psxBios_bufs_cb_1;
2852 //biosA0[0xa9] = psxBios_bufs_cb_2;
2853 //biosA0[0xaa] = psxBios_bufs_cb_3;
2854 biosA0[0xab] = psxBios__card_info;
2855 biosA0[0xac] = psxBios__card_load;
2856 //biosA0[0axd] = psxBios__card_auto;
2857 //biosA0[0xae] = psxBios_bufs_cd_4;
2858 //biosA0[0xaf] = psxBios_sys_a0_af;
2859 //biosA0[0xb0] = psxBios_sys_a0_b0;
2860 //biosA0[0xb1] = psxBios_sys_a0_b1;
2861 //biosA0[0xb2] = psxBios_do_a_long_jmp
2862 //biosA0[0xb3] = psxBios_sys_a0_b3;
2863 //biosA0[0xb4] = psxBios_sub_function;
2864//*******************B0 CALLS****************************
2865 //biosB0[0x00] = psxBios_SysMalloc;
2866 //biosB0[0x01] = psxBios_sys_b0_01;
2867 biosB0[0x02] = psxBios_SetRCnt;
2868 biosB0[0x03] = psxBios_GetRCnt;
2869 biosB0[0x04] = psxBios_StartRCnt;
2870 biosB0[0x05] = psxBios_StopRCnt;
2871 biosB0[0x06] = psxBios_ResetRCnt;
2872 biosB0[0x07] = psxBios_DeliverEvent;
2873 biosB0[0x08] = psxBios_OpenEvent;
2874 biosB0[0x09] = psxBios_CloseEvent;
2875 biosB0[0x0a] = psxBios_WaitEvent;
2876 biosB0[0x0b] = psxBios_TestEvent;
2877 biosB0[0x0c] = psxBios_EnableEvent;
2878 biosB0[0x0d] = psxBios_DisableEvent;
2879 biosB0[0x0e] = psxBios_OpenTh;
2880 biosB0[0x0f] = psxBios_CloseTh;
2881 biosB0[0x10] = psxBios_ChangeTh;
2882 //biosB0[0x11] = psxBios_psxBios_b0_11;
2883 biosB0[0x12] = psxBios_InitPAD;
2884 biosB0[0x13] = psxBios_StartPAD;
2885 biosB0[0x14] = psxBios_StopPAD;
2886 biosB0[0x15] = psxBios_PAD_init;
2887 biosB0[0x16] = psxBios_PAD_dr;
2888 biosB0[0x17] = psxBios_ReturnFromException;
2889 biosB0[0x18] = psxBios_ResetEntryInt;
2890 biosB0[0x19] = psxBios_HookEntryInt;
2891 //biosB0[0x1a] = psxBios_sys_b0_1a;
2892 //biosB0[0x1b] = psxBios_sys_b0_1b;
2893 //biosB0[0x1c] = psxBios_sys_b0_1c;
2894 //biosB0[0x1d] = psxBios_sys_b0_1d;
2895 //biosB0[0x1e] = psxBios_sys_b0_1e;
2896 //biosB0[0x1f] = psxBios_sys_b0_1f;
2897 biosB0[0x20] = psxBios_UnDeliverEvent;
2898 //biosB0[0x21] = psxBios_sys_b0_21;
2899 //biosB0[0x22] = psxBios_sys_b0_22;
2900 //biosB0[0x23] = psxBios_sys_b0_23;
2901 //biosB0[0x24] = psxBios_sys_b0_24;
2902 //biosB0[0x25] = psxBios_sys_b0_25;
2903 //biosB0[0x26] = psxBios_sys_b0_26;
2904 //biosB0[0x27] = psxBios_sys_b0_27;
2905 //biosB0[0x28] = psxBios_sys_b0_28;
2906 //biosB0[0x29] = psxBios_sys_b0_29;
2907 //biosB0[0x2a] = psxBios_sys_b0_2a;
2908 //biosB0[0x2b] = psxBios_sys_b0_2b;
2909 //biosB0[0x2c] = psxBios_sys_b0_2c;
2910 //biosB0[0x2d] = psxBios_sys_b0_2d;
2911 //biosB0[0x2e] = psxBios_sys_b0_2e;
2912 //biosB0[0x2f] = psxBios_sys_b0_2f;
2913 //biosB0[0x30] = psxBios_sys_b0_30;
2914 //biosB0[0x31] = psxBios_sys_b0_31;
2915 biosB0[0x32] = psxBios_open;
2916 biosB0[0x33] = psxBios_lseek;
2917 biosB0[0x34] = psxBios_read;
2918 biosB0[0x35] = psxBios_write;
2919 biosB0[0x36] = psxBios_close;
2920 //biosB0[0x37] = psxBios_ioctl;
2921 //biosB0[0x38] = psxBios_exit;
2922 //biosB0[0x39] = psxBios_sys_b0_39;
2923 //biosB0[0x3a] = psxBios_getc;
2924 //biosB0[0x3b] = psxBios_putc;
2925 biosB0[0x3c] = psxBios_getchar;
2926 //biosB0[0x3e] = psxBios_gets;
2927 //biosB0[0x40] = psxBios_cd;
e7e1f572 2928 biosB0[0x41] = psxBios_format;
ef79bbde
P		 2929 biosB0[0x42] = psxBios_firstfile;
2930 biosB0[0x43] = psxBios_nextfile;
2931 biosB0[0x44] = psxBios_rename;
2932 biosB0[0x45] = psxBios_delete;
2933 //biosB0[0x46] = psxBios_undelete;
2934 //biosB0[0x47] = psxBios_AddDevice;
2935 //biosB0[0x48] = psxBios_RemoteDevice;
2936 //biosB0[0x49] = psxBios_PrintInstalledDevices;
2937 biosB0[0x4a] = psxBios_InitCARD;
2938 biosB0[0x4b] = psxBios_StartCARD;
2939 biosB0[0x4c] = psxBios_StopCARD;
2940 //biosB0[0x4d] = psxBios_sys_b0_4d;
2941 biosB0[0x4e] = psxBios__card_write;
2942 biosB0[0x4f] = psxBios__card_read;
2943 biosB0[0x50] = psxBios__new_card;
2944 biosB0[0x51] = psxBios_Krom2RawAdd;
2945 //biosB0[0x52] = psxBios_sys_b0_52;
2946 //biosB0[0x53] = psxBios_sys_b0_53;
2947 //biosB0[0x54] = psxBios__get_errno;
002b2f7d 2948 biosB0[0x55] = psxBios__get_error;
ef79bbde
P		 2949 biosB0[0x56] = psxBios_GetC0Table;
2950 biosB0[0x57] = psxBios_GetB0Table;
e9fda093 2951 biosB0[0x58] = psxBios__card_chan;
ef79bbde
P		 2952 //biosB0[0x59] = psxBios_sys_b0_59;
2953 //biosB0[0x5a] = psxBios_sys_b0_5a;
2954 biosB0[0x5b] = psxBios_ChangeClearPad;
21af3ff6 2955 biosB0[0x5c] = psxBios__card_status;
ef79bbde
P		 2956 //biosB0[0x5d] = psxBios__card_wait;
2957//*******************C0 CALLS****************************
2958 //biosC0[0x00] = psxBios_InitRCnt;
2959 //biosC0[0x01] = psxBios_InitException;
2960 biosC0[0x02] = psxBios_SysEnqIntRP;
2961 biosC0[0x03] = psxBios_SysDeqIntRP;
2962 //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2963 //biosC0[0x05] = psxBios_get_free_TCB_slot;
2964 //biosC0[0x06] = psxBios_ExceptionHandler;
2965 //biosC0[0x07] = psxBios_InstallExeptionHandler;
2966 //biosC0[0x08] = psxBios_SysInitMemory;
2967 //biosC0[0x09] = psxBios_SysInitKMem;
2968 biosC0[0x0a] = psxBios_ChangeClearRCnt;
2969 //biosC0[0x0b] = psxBios_SystemError;
2970 //biosC0[0x0c] = psxBios_InitDefInt;
2971 //biosC0[0x0d] = psxBios_sys_c0_0d;
2972 //biosC0[0x0e] = psxBios_sys_c0_0e;
2973 //biosC0[0x0f] = psxBios_sys_c0_0f;
2974 //biosC0[0x10] = psxBios_sys_c0_10;
2975 //biosC0[0x11] = psxBios_sys_c0_11;
2976 //biosC0[0x12] = psxBios_InstallDevices;
2977 //biosC0[0x13] = psxBios_FlushStfInOutPut;
2978 //biosC0[0x14] = psxBios_sys_c0_14;
2979 //biosC0[0x15] = psxBios__cdevinput;
2980 //biosC0[0x16] = psxBios__cdevscan;
2981 //biosC0[0x17] = psxBios__circgetc;
2982 //biosC0[0x18] = psxBios__circputc;
2983 //biosC0[0x19] = psxBios_ioabort;
2984 //biosC0[0x1a] = psxBios_sys_c0_1a
2985 //biosC0[0x1b] = psxBios_KernelRedirect;
2986 //biosC0[0x1c] = psxBios_PatchAOTable;
2987//************** THE END ***************************************
2988/**/
2989 base = 0x1000;
2990 size = sizeof(EvCB) * 32;
2991 Event = (void *)&psxR[base]; base += size * 6;
2992 memset(Event, 0, size * 6);
2993 HwEV = Event;
2994 EvEV = Event + 32;
2995 RcEV = Event + 32 * 2;
2996 UeEV = Event + 32 * 3;
2997 SwEV = Event + 32 * 4;
2998 ThEV = Event + 32 * 5;
2999
3000 ptr = (u32 *)&psxM[0x0874]; // b0 table
3001 ptr[0] = SWAPu32(0x4c54 - 0x884);
3002
3003 ptr = (u32 *)&psxM[0x0674]; // c0 table
3004 ptr[6] = SWAPu32(0xc80);
3005
3006 memset(SysIntRP, 0, sizeof(SysIntRP));
3007 memset(Thread, 0, sizeof(Thread));
3008 Thread[0].status = 2; // main thread
3009
832f0c3c 3010 pad_stopped = 1;
c62b43c9 3011 jmp_int = NULL;
3012 pad_buf = NULL;
3013 pad_buf1 = NULL;
3014 pad_buf2 = NULL;
3015 pad_buf1len = pad_buf2len = 0;
3016 heap_addr = NULL;
3017 heap_end = NULL;
26b964b5 3018 heap_size = 0;
c62b43c9 3019 CardState = -1;
3020 CurThread = 0;
3021 memset(FDesc, 0, sizeof(FDesc));
832f0c3c 3022 card_active_chan = 0;
c62b43c9 3023
ef79bbde
P		 3024 psxMu32ref(0x0150) = SWAPu32(0x160);
3025 psxMu32ref(0x0154) = SWAPu32(0x320);
3026 psxMu32ref(0x0160) = SWAPu32(0x248);
3027 strcpy((char *)&psxM[0x248], "bu");
3028/* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
3029 psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
3030 psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
3031 psxMu32ref(0x09e0) = SWAPu32(0x43d0);
3032 psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
3033*/
3034 // opcode HLE
3035 psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
3036 psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
3037 psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
3038 psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
3039 psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
3040 psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
3041 psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
3042 psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
3043 psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
3044 psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
3045
3046 // initial stack pointer for BIOS interrupt
3047 psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
3048
3049 // initial RNG seed
3050 psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
3051
3052 // fonts
3053 len = 0x80000 - 0x66000;
3054 uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
3055 len = 0x80000 - 0x69d68;
3056 uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
3057
3058 // memory size 2 MB
3059 psxHu32ref(0x1060) = SWAPu32(0x00000b88);
3060
3061 hleSoftCall = FALSE;
3062}
3063
3064void psxBiosShutdown() {
3065}
3066
3067#define psxBios_PADpoll(pad) { \
3068 PAD##pad##_startPoll(pad); \
3069 pad_buf##pad[0] = 0; \
3070 pad_buf##pad[1] = PAD##pad##_poll(0x42); \
3071 if (!(pad_buf##pad[1] & 0x0f)) { \
3072 bufcount = 32; \
3073 } else { \
3074 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
3075 } \
3076 PAD##pad##_poll(0); \
3077 i = 2; \
3078 while (bufcount--) { \
3079 pad_buf##pad[i++] = PAD##pad##_poll(0); \
3080 } \
3081}
3082
3083void biosInterrupt() {
3084 int i, bufcount;
3085
3086// if (psxHu32(0x1070) & 0x1) { // Vsync
3087 if (pad_buf != NULL) {
3088 u32 *buf = (u32*)pad_buf;
3089
3090 if (!Config.UseNet) {
3091 PAD1_startPoll(1);
3092 if (PAD1_poll(0x42) == 0x23) {
3093 PAD1_poll(0);
3094 *buf = PAD1_poll(0) << 8;
3095 *buf |= PAD1_poll(0);
3096 PAD1_poll(0);
3097 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
3098 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
3099 } else {
3100 PAD1_poll(0);
3101 *buf = PAD1_poll(0) << 8;
3102 *buf|= PAD1_poll(0);
3103 }
3104
3105 PAD2_startPoll(2);
3106 if (PAD2_poll(0x42) == 0x23) {
3107 PAD2_poll(0);
3108 *buf |= PAD2_poll(0) << 24;
3109 *buf |= PAD2_poll(0) << 16;
3110 PAD2_poll(0);
3111 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
3112 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
3113 } else {
3114 PAD2_poll(0);
3115 *buf |= PAD2_poll(0) << 24;
3116 *buf |= PAD2_poll(0) << 16;
3117 }
3118 } else {
3119 u16 data;
3120
3121 PAD1_startPoll(1);
3122 PAD1_poll(0x42);
3123 PAD1_poll(0);
3124 data = PAD1_poll(0) << 8;
3125 data |= PAD1_poll(0);
3126
3127 if (NET_sendPadData(&data, 2) == -1)
3128 netError();
3129
3130 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
3131 netError();
3132 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
3133 netError();
3134 }
3135 }
3136 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
3137 psxBios_PADpoll(1);
3138
3139 if (NET_sendPadData(pad_buf1, i) == -1)
3140 netError();
3141
3142 if (NET_recvPadData(pad_buf1, 1) == -1)
3143 netError();
3144 if (NET_recvPadData(pad_buf2, 2) == -1)
3145 netError();
3146 } else {
f25c285b 3147 if (!pad_stopped) {
3148 if (pad_buf1) {
3149 psxBios_PADpoll(1);
3150 }
ef79bbde 3151
f25c285b 3152 if (pad_buf2) {
3153 psxBios_PADpoll(2);
3154 }
ef79bbde
P		 3155 }
3156 }
3157
3158 if (psxHu32(0x1070) & 0x1) { // Vsync
3159 if (RcEV[3][1].status == EvStACTIVE) {
3160 softCall(RcEV[3][1].fhandler);
3161// hwWrite32(0x1f801070, ~(1));
3162 }
3163 }
3164
3165 if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
3166 int i;
3167
3168 for (i = 0; i < 3; i++) {
3169 if (psxHu32(0x1070) & (1 << (i + 4))) {
3170 if (RcEV[i][1].status == EvStACTIVE) {
3171 softCall(RcEV[i][1].fhandler);
3172 }
3173 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
3174 }
3175 }
3176 }
3177}
3178
3179void psxBiosException() {
3180 int i;
3181
3182 switch (psxRegs.CP0.n.Cause & 0x3c) {
3183 case 0x00: // Interrupt
3184#ifdef PSXCPU_LOG
3185// PSXCPU_LOG("interrupt\n");
3186#endif
3187 SaveRegs();
3188
3189 sp = psxMu32(0x6c80); // create new stack for interrupt handlers
3190
3191 biosInterrupt();
3192
3193 for (i = 0; i < 8; i++) {
3194 if (SysIntRP[i]) {
3195 u32 *queue = (u32 *)PSXM(SysIntRP[i]);
3196
3197 s0 = queue[2];
3198 softCall(queue[1]);
3199 }
3200 }
3201
3202 if (jmp_int != NULL) {
3203 int i;
3204
3205 psxHwWrite32(0x1f801070, 0xffffffff);
3206
3207 ra = jmp_int[0];
3208 sp = jmp_int[1];
3209 fp = jmp_int[2];
3210 for (i = 0; i < 8; i++) // s0-s7
3211 psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
3212 gp = jmp_int[11];
3213
3214 v0 = 1;
3215 pc0 = ra;
3216 return;
3217 }
3218 psxHwWrite16(0x1f801070, 0);
3219 break;
3220
3221 case 0x20: // Syscall
3222#ifdef PSXCPU_LOG
3223 PSXCPU_LOG("syscall exp %x\n", a0);
3224#endif
3225 switch (a0) {
3226 case 1: // EnterCritical - disable irq's
79dad1b3 3227 /* Fixes Medievil 2 not loading up new game, Digimon World not booting up and possibly others */
3228 v0 = (psxRegs.CP0.n.Status & 0x404) == 0x404;
3229 psxRegs.CP0.n.Status &= ~0x404;
ef79bbde
P		 3230 break;
3231
3232 case 2: // ExitCritical - enable irq's
3233 psxRegs.CP0.n.Status |= 0x404;
3234 break;
a946d159 3235 /* Normally this should cover SYS(00h, SYS(04h but they don't do anything relevant so... */
3236 default:
3237 break;
ef79bbde
P		 3238 }
3239 pc0 = psxRegs.CP0.n.EPC + 4;
3240
3241 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3242 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3243 return;
3244
3245 default:
3246#ifdef PSXCPU_LOG
3247 PSXCPU_LOG("unknown bios exception!\n");
3248#endif
3249 break;
3250 }
3251
3252 pc0 = psxRegs.CP0.n.EPC;
3253 if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
3254
3255 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3256 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3257}
3258
3259#define bfreeze(ptr, size) { \
3260 if (Mode == 1) memcpy(&psxR[base], ptr, size); \
3261 if (Mode == 0) memcpy(ptr, &psxR[base], size); \
3262 base += size; \
3263}
3264
3265#define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
3266#define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
3267
3268#define bfreezepsxMptr(ptr, type) { \
3269 if (Mode == 1) { \
3270 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
3271 else psxRu32ref(base) = 0; \
3272 } else { \
3273 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
3274 else (ptr) = NULL; \
3275 } \
3276 base += sizeof(u32); \
3277}
3278
3279void psxBiosFreeze(int Mode) {
3280 u32 base = 0x40000;
3281
f25c285b 3282 pad_stopped = 0;
ef79bbde
P		 3283 bfreezepsxMptr(jmp_int, u32);
3284 bfreezepsxMptr(pad_buf, int);
3285 bfreezepsxMptr(pad_buf1, char);
3286 bfreezepsxMptr(pad_buf2, char);
3287 bfreezepsxMptr(heap_addr, u32);
3288 bfreezel(&pad_buf1len);
3289 bfreezel(&pad_buf2len);
3290 bfreezes(regs);
3291 bfreezes(SysIntRP);
3292 bfreezel(&CardState);
3293 bfreezes(Thread);
3294 bfreezel(&CurThread);
3295 bfreezes(FDesc);
e9fda093 3296 bfreezel(&card_active_chan);
ef79bbde 3297}
ARM optimized PCSX fork