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psxbios: Add checks for memmove.
[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;
112dddf5 827 v0 = a0;
828 if (a0 == 0 || a2 > 0x7FFFFFFF)
829 {
830 pc0 = ra;
831 return;
832 }
ef79bbde
P		 833 if (p2 <= p1 && p2 + a2 > p1) {
834 a2++; // BUG: copy one more byte here
835 p1 += a2;
836 p2 += a2;
5ec7acdf 837 while ((s32)a2-- > 0) *--p1 = *--p2;
ef79bbde 838 } else {
5ec7acdf 839 while ((s32)a2-- > 0) *p1++ = *p2++;
ef79bbde 840 }
112dddf5 841 pc0 = ra;
ef79bbde
P		 842}
843
844void psxBios_memcmp() { // 0x2d
845 psxBios_bcmp();
846}
847
848void psxBios_memchr() { // 0x2e
849 char *p = (char *)Ra0;
850
5ec7acdf 851 while ((s32)a2-- > 0) {
ef79bbde
P		 852 if (*p++ != (s8)a1) continue;
853 v0 = a0 + (p - (char *)Ra0 - 1);
854 pc0 = ra;
855 return;
856 }
857
858 v0 = 0; pc0 = ra;
859}
860
861void psxBios_rand() { // 0x2f
862 u32 s = psxMu32(0x9010) * 1103515245 + 12345;
863 v0 = (s >> 16) & 0x7fff;
864 psxMu32ref(0x9010) = SWAPu32(s);
865 pc0 = ra;
866}
867
868void psxBios_srand() { // 0x30
869 psxMu32ref(0x9010) = SWAPu32(a0);
870 pc0 = ra;
871}
872
873static u32 qscmpfunc, qswidth;
874
875static inline int qscmp(char *a, char *b) {
876 u32 sa0 = a0;
877
878 a0 = sa0 + (a - (char *)PSXM(sa0));
879 a1 = sa0 + (b - (char *)PSXM(sa0));
880
881 softCall2(qscmpfunc);
882
883 a0 = sa0;
884 return (s32)v0;
885}
886
887static inline void qexchange(char *i, char *j) {
888 char t;
889 int n = qswidth;
890
891 do {
892 t = *i;
893 *i++ = *j;
894 *j++ = t;
895 } while (--n);
896}
897
898static inline void q3exchange(char *i, char *j, char *k) {
899 char t;
900 int n = qswidth;
901
902 do {
903 t = *i;
904 *i++ = *k;
905 *k++ = *j;
906 *j++ = t;
907 } while (--n);
908}
909
910static void qsort_main(char *a, char *l) {
911 char *i, *j, *lp, *hp;
912 int c;
913 unsigned int n;
914
915start:
916 if ((n = l - a) <= qswidth)
917 return;
918 n = qswidth * (n / (2 * qswidth));
919 hp = lp = a + n;
920 i = a;
921 j = l - qswidth;
922 while (TRUE) {
923 if (i < lp) {
924 if ((c = qscmp(i, lp)) == 0) {
925 qexchange(i, lp -= qswidth);
926 continue;
927 }
928 if (c < 0) {
929 i += qswidth;
930 continue;
931 }
932 }
933
934loop:
935 if (j > hp) {
936 if ((c = qscmp(hp, j)) == 0) {
937 qexchange(hp += qswidth, j);
938 goto loop;
939 }
940 if (c > 0) {
941 if (i == lp) {
942 q3exchange(i, hp += qswidth, j);
943 i = lp += qswidth;
944 goto loop;
945 }
946 qexchange(i, j);
947 j -= qswidth;
948 i += qswidth;
949 continue;
950 }
951 j -= qswidth;
952 goto loop;
953 }
954
955 if (i == lp) {
956 if (lp - a >= l - hp) {
957 qsort_main(hp + qswidth, l);
958 l = lp;
959 } else {
960 qsort_main(a, lp);
961 a = hp + qswidth;
962 }
963 goto start;
964 }
965
966 q3exchange(j, lp -= qswidth, i);
967 j = hp -= qswidth;
968 }
969}
970
971void psxBios_qsort() { // 0x31
972 qswidth = a2;
973 qscmpfunc = a3;
974 qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
975
976 pc0 = ra;
977}
978
979void psxBios_malloc() { // 0x33
808a13bd 980 unsigned int *chunk, *newchunk = NULL;
981 unsigned int dsize = 0, csize, cstat;
ef79bbde
P		 982 int colflag;
983#ifdef PSXBIOS_LOG
984 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
985#endif
986
987 // scan through heap and combine free chunks of space
988 chunk = heap_addr;
989 colflag = 0;
990 while(chunk < heap_end) {
991 // get size and status of actual chunk
992 csize = ((u32)*chunk) & 0xfffffffc;
993 cstat = ((u32)*chunk) & 1;
994
995 // it's a free chunk
996 if(cstat == 1) {
997 if(colflag == 0) {
998 newchunk = chunk;
999 dsize = csize;
1000 colflag = 1; // let's begin a new collection of free memory
1001 }
1002 else dsize += (csize+4); // add the new size including header
1003 }
1004 // not a free chunk: did we start a collection ?
1005 else {
1006 if(colflag == 1) { // collection is over
1007 colflag = 0;
1008 *newchunk = SWAP32(dsize | 1);
1009 }
1010 }
1011
1012 // next chunk
1013 chunk = (u32*)((uptr)chunk + csize + 4);
1014 }
1015 // if neccessary free memory on end of heap
1016 if (colflag == 1)
1017 *newchunk = SWAP32(dsize | 1);
1018
1019 chunk = heap_addr;
1020 csize = ((u32)*chunk) & 0xfffffffc;
1021 cstat = ((u32)*chunk) & 1;
1022 dsize = (a0 + 3) & 0xfffffffc;
1023
1024 // exit on uninitialized heap
1025 if (chunk == NULL) {
1026 SysPrintf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
1027 v0 = 0;
1028 pc0 = ra;
1029 return;
1030 }
1031
1032 // search an unused chunk that is big enough until the end of the heap
1033 while ((dsize > csize || cstat == 0) && chunk < heap_end ) {
1034 chunk = (u32*)((uptr)chunk + csize + 4);
1035 csize = ((u32)*chunk) & 0xfffffffc;
1036 cstat = ((u32)*chunk) & 1;
1037 }
1038
1039 // catch out of memory
1040 if(chunk >= heap_end) { SysPrintf("malloc %x,%x: Out of memory error!\n", v0, a0); v0 = 0; pc0 = ra; return; }
1041
1042 // allocate memory
1043 if(dsize == csize) {
1044 // chunk has same size
1045 *chunk &= 0xfffffffc;
1046 }
1047 else {
1048 // split free chunk
1049 *chunk = SWAP32(dsize);
1050 newchunk = (u32*)((uptr)chunk + dsize + 4);
808a13bd 1051 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
ef79bbde
P		 1052 }
1053
1054 // return pointer to allocated memory
1055 v0 = ((unsigned long)chunk - (unsigned long)psxM) + 4;
1056 v0|= 0x80000000;
1057 SysPrintf ("malloc %x,%x\n", v0, a0);
1058 pc0 = ra;
1059}
1060
1061void psxBios_free() { // 0x34
1062
1063#ifdef PSXBIOS_LOG
1064 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
1065#endif
1066
1067 SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
1068
1069 *(u32*)(Ra0-4) |= 1; // set chunk to free
1070 pc0 = ra;
1071}
1072
1073void psxBios_calloc() { // 0x37
02949f79 1074 void *pv0;
ef79bbde
P		 1075#ifdef PSXBIOS_LOG
1076 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
1077#endif
1078
1079 a0 = a0 * a1;
1080 psxBios_malloc();
02949f79 1081 pv0 = Rv0;
1082 if (pv0)
1083 memset(pv0, 0, a0);
ef79bbde
P		 1084}
1085
1086void psxBios_realloc() { // 0x38
1087 u32 block = a0;
1088 u32 size = a1;
1089#ifdef PSXBIOS_LOG
1090 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
1091#endif
1092
1093 a0 = block;
391b1d5b 1094 /* If "old_buf" is zero, executes malloc(new_size), and returns r2=new_buf (or 0=failed). */
1095 if (block == 0)
1096 {
1097 psxBios_malloc();
1098 }
1099 /* Else, if "new_size" is zero, executes free(old_buf), and returns r2=garbage. */
1100 else if (size == 0)
1101 {
1102 psxBios_free();
1103 }
1104 /* Else, executes malloc(new_size), bcopy(old_buf,new_buf,new_size), and free(old_buf), and returns r2=new_buf (or 0=failed). */
1105 /* Note that it is not quite implemented this way here. */
1106 else
1107 {
1108 psxBios_free();
1109 a0 = size;
1110 psxBios_malloc();
1111 }
ef79bbde
P		 1112}
1113
1114
1115/* InitHeap(void *block , int n) */
1116void psxBios_InitHeap() { // 0x39
1117 unsigned int size;
1118
1119#ifdef PSXBIOS_LOG
1120 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
1121#endif
1122
1123 if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
1124 else size = a1;
1125
1126 size &= 0xfffffffc;
1127
1128 heap_addr = (u32 *)Ra0;
1129 heap_end = (u32 *)((u8 *)heap_addr + size);
1130 *heap_addr = SWAP32(size | 1);
1131
c979c3ee 1132 SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
ef79bbde
P		 1133
1134 pc0 = ra;
1135}
1136
1137void psxBios_getchar() { //0x3b
1138 v0 = getchar(); pc0 = ra;
1139}
1140
1141void psxBios_printf() { // 0x3f
1142 char tmp[1024];
1143 char tmp2[1024];
1144 u32 save[4];
1145 char *ptmp = tmp;
1146 int n=1, i=0, j;
02949f79 1147 void *psp;
1148
1149 psp = PSXM(sp);
1150 if (psp) {
1151 memcpy(save, psp, 4 * 4);
1152 psxMu32ref(sp) = SWAP32((u32)a0);
1153 psxMu32ref(sp + 4) = SWAP32((u32)a1);
1154 psxMu32ref(sp + 8) = SWAP32((u32)a2);
1155 psxMu32ref(sp + 12) = SWAP32((u32)a3);
1156 }
ef79bbde
P		 1157
1158 while (Ra0[i]) {
1159 switch (Ra0[i]) {
1160 case '%':
1161 j = 0;
1162 tmp2[j++] = '%';
1163_start:
1164 switch (Ra0[++i]) {
1165 case '.':
1166 case 'l':
1167 tmp2[j++] = Ra0[i]; goto _start;
1168 default:
1169 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
1170 tmp2[j++] = Ra0[i];
1171 goto _start;
1172 }
1173 break;
1174 }
1175 tmp2[j++] = Ra0[i];
1176 tmp2[j] = 0;
1177
1178 switch (Ra0[i]) {
1179 case 'f': case 'F':
1180 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
1181 case 'a': case 'A':
1182 case 'e': case 'E':
1183 case 'g': case 'G':
1184 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
1185 case 'p':
888468ff 1186 case 'i': case 'u':
ef79bbde
P		 1187 case 'd': case 'D':
1188 case 'o': case 'O':
1189 case 'x': case 'X':
1190 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
1191 case 'c':
1192 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
1193 case 's':
1194 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1195 case '%':
1196 *ptmp++ = Ra0[i]; break;
1197 }
1198 i++;
1199 break;
1200 default:
1201 *ptmp++ = Ra0[i++];
1202 }
1203 }
1204 *ptmp = 0;
1205
02949f79 1206 if (psp)
1207 memcpy(psp, save, 4 * 4);
ef79bbde 1208
808a13bd 1209 SysPrintf("%s", tmp);
ef79bbde
P		 1210
1211 pc0 = ra;
1212}
1213
e7e1f572 1214void psxBios_format() { // 0x41
1215 if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0')
1216 {
1217 CreateMcd(Config.Mcd1);
1218 LoadMcd(1, Config.Mcd1);
1219 v0 = 1;
1220 }
1221 else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0')
1222 {
1223 CreateMcd(Config.Mcd2);
1224 LoadMcd(2, Config.Mcd2);
1225 v0 = 1;
1226 }
1227 else
1228 {
1229 v0 = 0;
1230 }
1231 pc0 = ra;
1232}
1233
ef79bbde
P		 1234/*
1235 * long Load(char *name, struct EXEC *header);
1236 */
1237
1238void psxBios_Load() { // 0x42
1239 EXE_HEADER eheader;
02949f79 1240 void *pa1;
ef79bbde
P		 1241
1242#ifdef PSXBIOS_LOG
1243 PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1244#endif
1245
02949f79 1246 pa1 = Ra1;
1247 if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) {
1248 memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC));
ef79bbde
P		 1249 v0 = 1;
1250 } else v0 = 0;
1251
1252 pc0 = ra;
1253}
1254
1255/*
1256 * int Exec(struct EXEC *header , int argc , char **argv);
1257 */
1258
1259void psxBios_Exec() { // 43
1260 EXEC *header = (EXEC*)Ra0;
1261 u32 tmp;
1262
1263#ifdef PSXBIOS_LOG
1264 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1265#endif
1266
1267 header->_sp = sp;
1268 header->_fp = fp;
1269 header->_sp = sp;
1270 header->_gp = gp;
1271 header->ret = ra;
1272 header->base = s0;
1273
1274 if (header->S_addr != 0) {
1275 tmp = header->S_addr + header->s_size;
1276 sp = tmp;
1277 fp = sp;
1278 }
1279
1280 gp = header->gp0;
1281
1282 s0 = a0;
1283
1284 a0 = a1;
1285 a1 = a2;
1286
1287 ra = 0x8000;
1288 pc0 = header->_pc0;
1289}
1290
1291void psxBios_FlushCache() { // 44
1292#ifdef PSXBIOS_LOG
1293 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1294#endif
1295
1296 pc0 = ra;
1297}
1298
1299void psxBios_GPU_dw() { // 0x46
1300 int size;
1301 s32 *ptr;
1302
1303#ifdef PSXBIOS_LOG
1304 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1305#endif
1306
1307 GPU_writeData(0xa0000000);
1308 GPU_writeData((a1<<16)|(a0&0xffff));
1309 GPU_writeData((a3<<16)|(a2&0xffff));
1310 size = (a2*a3+1)/2;
1311 ptr = (s32*)PSXM(Rsp[4]); //that is correct?
1312 do {
1313 GPU_writeData(SWAP32(*ptr));
1314 ptr++;
1315 } while(--size);
1316
1317 pc0 = ra;
1318}
1319
1320void psxBios_mem2vram() { // 0x47
1321 int size;
1322
1323 GPU_writeData(0xa0000000);
1324 GPU_writeData((a1<<16)|(a0&0xffff));
1325 GPU_writeData((a3<<16)|(a2&0xffff));
1326 size = (a2*a3+1)/2;
1327 GPU_writeStatus(0x04000002);
1328 psxHwWrite32(0x1f8010f4,0);
1329 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1330 psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1331 psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1332 psxHwWrite32(0x1f8010a8,0x01000201);
1333
1334 pc0 = ra;
1335}
1336
1337void psxBios_SendGPU() { // 0x48
1338 GPU_writeStatus(a0);
ddbaf678 1339 gpuSyncPluginSR();
ef79bbde
P		 1340 pc0 = ra;
1341}
1342
1343void psxBios_GPU_cw() { // 0x49
1344 GPU_writeData(a0);
1345 pc0 = ra;
1346}
1347
1348void psxBios_GPU_cwb() { // 0x4a
1349 s32 *ptr = (s32*)Ra0;
1350 int size = a1;
1351 while(size--) {
1352 GPU_writeData(SWAP32(*ptr));
1353 ptr++;
1354 }
1355
1356 pc0 = ra;
1357}
1358
1359void psxBios_GPU_SendPackets() { //4b:
1360 GPU_writeStatus(0x04000002);
1361 psxHwWrite32(0x1f8010f4,0);
1362 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1363 psxHwWrite32(0x1f8010a0,a0);
1364 psxHwWrite32(0x1f8010a4,0);
1365 psxHwWrite32(0x1f8010a8,0x010000401);
1366 pc0 = ra;
1367}
1368
1369void psxBios_sys_a0_4c() { // 0x4c GPU relate
1370 psxHwWrite32(0x1f8010a8,0x00000401);
1371 GPU_writeData(0x0400000);
1372 GPU_writeData(0x0200000);
1373 GPU_writeData(0x0100000);
cd1ea245 1374 v0 = 0x1f801814;
ef79bbde
P		 1375 pc0 = ra;
1376}
1377
1378void psxBios_GPU_GetGPUStatus() { // 0x4d
1379 v0 = GPU_readStatus();
1380 pc0 = ra;
1381}
1382
1383#undef s_addr
1384
1385void psxBios_LoadExec() { // 51
1386 EXEC *header = (EXEC*)PSXM(0xf000);
1387 u32 s_addr, s_size;
1388
1389#ifdef PSXBIOS_LOG
1390 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1391#endif
1392 s_addr = a1; s_size = a2;
1393
1394 a1 = 0xf000;
1395 psxBios_Load();
1396
1397 header->S_addr = s_addr;
1398 header->s_size = s_size;
1399
1400 a0 = 0xf000; a1 = 0; a2 = 0;
1401 psxBios_Exec();
1402}
1403
1404void psxBios__bu_init() { // 70
1405#ifdef PSXBIOS_LOG
1406 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1407#endif
1408
1409 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1410 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1411
1412 pc0 = ra;
1413}
1414
1415void psxBios__96_init() { // 71
1416#ifdef PSXBIOS_LOG
1417 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1418#endif
1419
1420 pc0 = ra;
1421}
1422
1423void psxBios__96_remove() { // 72
1424#ifdef PSXBIOS_LOG
1425 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1426#endif
1427
1428 pc0 = ra;
1429}
1430
1431void psxBios_SetMem() { // 9f
1432 u32 new = psxHu32(0x1060);
1433
1434#ifdef PSXBIOS_LOG
1435 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1436#endif
1437
1438 switch(a0) {
1439 case 2:
1440 psxHu32ref(0x1060) = SWAP32(new);
1441 psxMu32ref(0x060) = a0;
1442 SysPrintf("Change effective memory : %d MBytes\n",a0);
1443 break;
1444
1445 case 8:
1446 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1447 psxMu32ref(0x060) = a0;
1448 SysPrintf("Change effective memory : %d MBytes\n",a0);
1449
1450 default:
1451 SysPrintf("Effective memory must be 2/8 MBytes\n");
1452 break;
1453 }
1454
1455 pc0 = ra;
1456}
1457
1458void psxBios__card_info() { // ab
1459#ifdef PSXBIOS_LOG
1460 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1461#endif
76b81516 1462 u32 ret;
e9fda093 1463 card_active_chan = a0;
1464
76b81516 1465 switch (card_active_chan)
1466 {
1467 case 0x00: case 0x01: case 0x02: case 0x03:
1468 ret = Config.Mcd1[0] ? 0x2 : 0x8;
1469 break;
1470 case 0x10: case 0x11: case 0x12: case 0x13:
1471 ret = Config.Mcd2[0] ? 0x2 : 0x8;
1472 break;
1473 default:
1474#ifdef PSXBIOS_LOG
1475 PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan);
1476#endif
1477 ret = 0x11;
1478 break;
1479 }
1480
1481// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
ef79bbde
P		 1482// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1483 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
76b81516 1484 DeliverEvent(0x81, ret); // 0xf4000001, 0x0004
ef79bbde
P		 1485
1486 v0 = 1; pc0 = ra;
1487}
1488
1489void psxBios__card_load() { // ac
1490#ifdef PSXBIOS_LOG
1491 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1492#endif
1493
e9fda093 1494 card_active_chan = a0;
1495
ef79bbde
P		 1496// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1497 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1498
1499 v0 = 1; pc0 = ra;
1500}
1501
1502/* System calls B0 */
1503
1504void psxBios_SetRCnt() { // 02
1505#ifdef PSXBIOS_LOG
1506 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1507#endif
1508
1509 a0&= 0x3;
1510 if (a0 != 3) {
1511 u32 mode=0;
1512
1513 psxRcntWtarget(a0, a1);
1514 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1515 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1516 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1517 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1518 else { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1519
1520 psxRcntWmode(a0, mode);
1521 }
1522 pc0 = ra;
1523}
1524
1525void psxBios_GetRCnt() { // 03
1526#ifdef PSXBIOS_LOG
1527 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1528#endif
1529
1530 a0&= 0x3;
1531 if (a0 != 3) v0 = psxRcntRcount(a0);
1532 else v0 = 0;
1533 pc0 = ra;
1534}
1535
1536void psxBios_StartRCnt() { // 04
1537#ifdef PSXBIOS_LOG
1538 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1539#endif
1540
1541 a0&= 0x3;
1542 if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1543 else psxHu32ref(0x1074)|= SWAPu32(0x1);
1544 v0 = 1; pc0 = ra;
1545}
1546
1547void psxBios_StopRCnt() { // 05
1548#ifdef PSXBIOS_LOG
1549 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1550#endif
1551
1552 a0&= 0x3;
1553 if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1554 else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1555 pc0 = ra;
1556}
1557
1558void psxBios_ResetRCnt() { // 06
1559#ifdef PSXBIOS_LOG
1560 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1561#endif
1562
1563 a0&= 0x3;
1564 if (a0 != 3) {
1565 psxRcntWmode(a0, 0);
1566 psxRcntWtarget(a0, 0);
1567 psxRcntWcount(a0, 0);
1568 }
1569 pc0 = ra;
1570}
1571
1572
1573/* gets ev for use with Event */
1574#define GetEv() \
1575 ev = (a0 >> 24) & 0xf; \
1576 if (ev == 0xf) ev = 0x5; \
1577 ev*= 32; \
1578 ev+= a0&0x1f;
1579
1580/* gets spec for use with Event */
1581#define GetSpec() \
1582 spec = 0; \
1583 switch (a1) { \
1584 case 0x0301: spec = 16; break; \
1585 case 0x0302: spec = 17; break; \
1586 default: \
1587 for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1588 break; \
1589 }
1590
1591void psxBios_DeliverEvent() { // 07
1592 int ev, spec;
1593 int i;
1594
1595 GetEv();
1596 GetSpec();
1597
1598#ifdef PSXBIOS_LOG
1599 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1600#endif
1601
1602 DeliverEvent(ev, spec);
1603
1604 pc0 = ra;
1605}
1606
1607void psxBios_OpenEvent() { // 08
1608 int ev, spec;
1609 int i;
1610
1611 GetEv();
1612 GetSpec();
1613
1614#ifdef PSXBIOS_LOG
1615 PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1616#endif
1617
1618 Event[ev][spec].status = EvStWAIT;
1619 Event[ev][spec].mode = a2;
1620 Event[ev][spec].fhandler = a3;
1621
1622 v0 = ev | (spec << 8);
1623 pc0 = ra;
1624}
1625
1626void psxBios_CloseEvent() { // 09
1627 int ev, spec;
1628
1629 ev = a0 & 0xff;
1630 spec = (a0 >> 8) & 0xff;
1631
1632#ifdef PSXBIOS_LOG
1633 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1634#endif
1635
1636 Event[ev][spec].status = EvStUNUSED;
1637
1638 v0 = 1; pc0 = ra;
1639}
1640
1641void psxBios_WaitEvent() { // 0a
1642 int ev, spec;
1643
1644 ev = a0 & 0xff;
1645 spec = (a0 >> 8) & 0xff;
ef79bbde
P		 1646#ifdef PSXBIOS_LOG
1647 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1648#endif
d95c9dcb 1649 if (Event[ev][spec].status == EvStUNUSED)
1650 {
1651 v0 = 0;
1652 pc0 = ra;
1653 return;
1654 }
ef79bbde 1655
d95c9dcb 1656 if (Event[ev][spec].status == EvStALREADY)
1657 {
1658 /* Callback events (mode=EvMdINTR) do never set the ready flag (and thus WaitEvent would hang forever). */
1659 if (!(Event[ev][spec].mode == EvMdINTR)) Event[ev][spec].status = EvStACTIVE;
1660 v0 = 1;
1661 pc0 = ra;
1662 return;
1663 }
ef79bbde 1664
d95c9dcb 1665 v0 = 0;
1666 pc0 = ra;
ef79bbde
P		 1667}
1668
1669void psxBios_TestEvent() { // 0b
1670 int ev, spec;
1671
1672 ev = a0 & 0xff;
1673 spec = (a0 >> 8) & 0xff;
1674
1675 if (Event[ev][spec].status == EvStALREADY) {
1676 Event[ev][spec].status = EvStACTIVE; v0 = 1;
1677 } else v0 = 0;
1678
1679#ifdef PSXBIOS_LOG
1680 PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1681#endif
1682
1683 pc0 = ra;
1684}
1685
1686void psxBios_EnableEvent() { // 0c
1687 int ev, spec;
1688
1689 ev = a0 & 0xff;
1690 spec = (a0 >> 8) & 0xff;
1691
1692#ifdef PSXBIOS_LOG
1693 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1694#endif
1695
1696 Event[ev][spec].status = EvStACTIVE;
1697
1698 v0 = 1; pc0 = ra;
1699}
1700
1701void psxBios_DisableEvent() { // 0d
1702 int ev, spec;
1703
1704 ev = a0 & 0xff;
1705 spec = (a0 >> 8) & 0xff;
1706
1707#ifdef PSXBIOS_LOG
1708 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1709#endif
1710
1711 Event[ev][spec].status = EvStWAIT;
1712
1713 v0 = 1; pc0 = ra;
1714}
1715
1716/*
1717 * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1718 */
1719
1720void psxBios_OpenTh() { // 0e
1721 int th;
1722
1723 for (th=1; th<8; th++)
a66d3058 1724 {
ef79bbde
P		 1725 if (Thread[th].status == 0) break;
1726
a66d3058 1727 }
1728 if (th == 8) {
1729 // Feb 2019 - Added out-of-bounds fix caught by cppcheck:
1730 // When no free TCB is found, return 0xffffffff according to Nocash doc.
1731#ifdef PSXBIOS_LOG
1732 PSXBIOS_LOG("\t%s() WARNING! No Free TCBs found!\n", __func__);
1733#endif
1734 v0 = 0xffffffff;
1735 pc0 = ra;
1736 return;
1737 }
ef79bbde
P		 1738#ifdef PSXBIOS_LOG
1739 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1740#endif
1741
1742 Thread[th].status = 1;
1743 Thread[th].func = a0;
1744 Thread[th].reg[29] = a1;
1745 Thread[th].reg[28] = a2;
1746
1747 v0 = th; pc0 = ra;
1748}
1749
1750/*
1751 * int CloseTh(long thread);
1752 */
1753
1754void psxBios_CloseTh() { // 0f
1755 int th = a0 & 0xff;
1756
1757#ifdef PSXBIOS_LOG
1758 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1759#endif
1760
1761 if (Thread[th].status == 0) {
1762 v0 = 0;
1763 } else {
1764 Thread[th].status = 0;
1765 v0 = 1;
1766 }
1767
1768 pc0 = ra;
1769}
1770
1771/*
1772 * int ChangeTh(long thread);
1773 */
1774
1775void psxBios_ChangeTh() { // 10
1776 int th = a0 & 0xff;
1777
1778#ifdef PSXBIOS_LOG
1779// PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1780#endif
1781
1782 if (Thread[th].status == 0 || CurThread == th) {
1783 v0 = 0;
1784
1785 pc0 = ra;
1786 } else {
1787 v0 = 1;
1788
1789 if (Thread[CurThread].status == 2) {
1790 Thread[CurThread].status = 1;
1791 Thread[CurThread].func = ra;
1792 memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1793 }
1794
1795 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1796 pc0 = Thread[th].func;
1797 Thread[th].status = 2;
1798 CurThread = th;
1799 }
1800}
1801
1802void psxBios_InitPAD() { // 0x12
1803#ifdef PSXBIOS_LOG
1804 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1805#endif
1806
1807 pad_buf1 = (char*)Ra0;
1808 pad_buf1len = a1;
1809 pad_buf2 = (char*)Ra2;
1810 pad_buf2len = a3;
1811
1812 v0 = 1; pc0 = ra;
1813}
1814
1815void psxBios_StartPAD() { // 13
1816#ifdef PSXBIOS_LOG
1817 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1818#endif
1819
1820 psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1821 psxRegs.CP0.n.Status |= 0x401;
1822 pc0 = ra;
1823}
1824
1825void psxBios_StopPAD() { // 14
1826#ifdef PSXBIOS_LOG
1827 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1828#endif
8a0245bb 1829 if (pad_buf == 0){
ef79bbde
P		 1830 pad_buf1 = NULL;
1831 pad_buf2 = NULL;
8a0245bb 1832 }
ef79bbde
P		 1833 pc0 = ra;
1834}
1835
1836void psxBios_PAD_init() { // 15
1837#ifdef PSXBIOS_LOG
1838 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1839#endif
a824e83d 1840 if (!(a0 == 0x20000000 || a0 == 0x20000001))
1841 {
1842 v0 = 0;
1843 pc0 = ra;
1844 return;
1845 }
ef79bbde
P		 1846 psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1847 pad_buf = (int *)Ra1;
1848 *pad_buf = -1;
1849 psxRegs.CP0.n.Status |= 0x401;
a824e83d 1850 v0 = 2;
ef79bbde
P		 1851 pc0 = ra;
1852}
1853
1854void psxBios_PAD_dr() { // 16
1855#ifdef PSXBIOS_LOG
1856 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1857#endif
1858
1859 v0 = -1; pc0 = ra;
1860}
1861
1862void psxBios_ReturnFromException() { // 17
1863 LoadRegs();
1864
1865 pc0 = psxRegs.CP0.n.EPC;
1866 if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1867
1868 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1869 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1870}
1871
1872void psxBios_ResetEntryInt() { // 18
1873#ifdef PSXBIOS_LOG
1874 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1875#endif
1876
1877 jmp_int = NULL;
1878 pc0 = ra;
1879}
1880
1881void psxBios_HookEntryInt() { // 19
1882#ifdef PSXBIOS_LOG
1883 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
1884#endif
1885
1886 jmp_int = (u32*)Ra0;
1887 pc0 = ra;
1888}
1889
1890void psxBios_UnDeliverEvent() { // 0x20
1891 int ev, spec;
1892 int i;
1893
1894 GetEv();
1895 GetSpec();
1896
1897#ifdef PSXBIOS_LOG
1898 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
1899#endif
1900
1901 if (Event[ev][spec].status == EvStALREADY &&
1902 Event[ev][spec].mode == EvMdNOINTR)
1903 Event[ev][spec].status = EvStACTIVE;
1904
1905 pc0 = ra;
1906}
1907
595a136b 1908char ffile[64], *pfile;
1909int nfile;
1910static void buopen(int mcd, u8 *ptr, u8 *cfg)
1911{
1912 int i;
1913 u8 *fptr = ptr;
1914
1915 strcpy(FDesc[1 + mcd].name, Ra0+5);
1916 FDesc[1 + mcd].offset = 0;
1917 FDesc[1 + mcd].mode = a1;
1918
1919 for (i=1; i<16; i++) {
1920 fptr += 128;
1921 if ((*fptr & 0xF0) != 0x50) continue;
1922 if (strcmp(FDesc[1 + mcd].name, fptr+0xa)) continue;
1923 FDesc[1 + mcd].mcfile = i;
1924 SysPrintf("open %s\n", fptr+0xa);
1925 v0 = 1 + mcd;
1926 break;
1927 }
1928 if (a1 & 0x200 && v0 == -1) { /* FCREAT */
1929 fptr = ptr;
1930 for (i=1; i<16; i++) {
1931 int j, xor, nblk = a1 >> 16;
1932 u8 *pptr, *fptr2;
1933
1934 fptr += 128;
1935 if ((*fptr & 0xF0) != 0xa0) continue;
1936
1937 FDesc[1 + mcd].mcfile = i;
1938 fptr[0] = 0x51;
1939 fptr[4] = 0x00;
1940 fptr[5] = 0x20 * nblk;
1941 fptr[6] = 0x00;
1942 fptr[7] = 0x00;
1943 strcpy(fptr+0xa, FDesc[1 + mcd].name);
1944 pptr = fptr2 = fptr;
1945 for(j=2; j<=nblk; j++) {
1946 int k;
1947 for(i++; i<16; i++) {
1948 fptr2 += 128;
1949
1950 memset(fptr2, 0, 128);
1951 fptr2[0] = j < nblk ? 0x52 : 0x53;
1952 pptr[8] = i - 1;
1953 pptr[9] = 0;
1954 for (k=0, xor=0; k<127; k++) xor^= pptr[k];
1955 pptr[127] = xor;
1956 pptr = fptr2;
1957 break;
1958 }
1959 /* shouldn't this return ENOSPC if i == 16? */
1960 }
1961 pptr[8] = pptr[9] = 0xff;
1962 for (j=0, xor=0; j<127; j++) xor^= pptr[j];
1963 pptr[127] = xor;
1964 SysPrintf("openC %s %d\n", ptr, nblk);
1965 v0 = 1 + mcd;
1966 /* just go ahead and resave them all */
1967 SaveMcd(cfg, ptr, 128, 128 * 15);
1968 break;
1969 }
1970 /* shouldn't this return ENOSPC if i == 16? */
1971 }
ef79bbde
P		 1972}
1973
1974/*
1975 * int open(char *name , int mode);
1976 */
1977
1978void psxBios_open() { // 0x32
1979 int i;
1980 char *ptr;
02949f79 1981 void *pa0 = Ra0;
ef79bbde
P		 1982
1983#ifdef PSXBIOS_LOG
1984 PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
1985#endif
1986
1987 v0 = -1;
1988
02949f79 1989 if (pa0) {
1990 if (!strncmp(pa0, "bu00", 4)) {
595a136b 1991 buopen(1, Mcd1Data, Config.Mcd1);
02949f79 1992 }
ef79bbde 1993
02949f79 1994 if (!strncmp(pa0, "bu10", 4)) {
595a136b 1995 buopen(2, Mcd2Data, Config.Mcd2);
02949f79 1996 }
ef79bbde
P		 1997 }
1998
1999 pc0 = ra;
2000}
2001
2002/*
2003 * int lseek(int fd , int offset , int whence);
2004 */
2005
2006void psxBios_lseek() { // 0x33
2007#ifdef PSXBIOS_LOG
2008 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
2009#endif
2010
2011 switch (a2) {
2012 case 0: // SEEK_SET
2013 FDesc[a0].offset = a1;
2014 v0 = a1;
2015// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2016// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2017 break;
2018
2019 case 1: // SEEK_CUR
2020 FDesc[a0].offset+= a1;
2021 v0 = FDesc[a0].offset;
2022 break;
2023 }
2024
2025 pc0 = ra;
2026}
2027
595a136b 2028
ef79bbde
P		 2029/*
2030 * int read(int fd , void *buf , int nbytes);
2031 */
2032
2033void psxBios_read() { // 0x34
2034 char *ptr;
02949f79 2035 void *pa1 = Ra1;
ef79bbde
P		 2036
2037#ifdef PSXBIOS_LOG
2038 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
2039#endif
2040
2041 v0 = -1;
2042
02949f79 2043 if (pa1) {
2044 switch (a0) {
595a136b 2045 case 2: buread(pa1, 1, a2); break;
2046 case 3: buread(pa1, 2, a2); break;
02949f79 2047 }
ef79bbde
P		 2048 }
2049
2050 pc0 = ra;
2051}
2052
ef79bbde
P		 2053/*
2054 * int write(int fd , void *buf , int nbytes);
2055 */
2056
2057void psxBios_write() { // 0x35/0x03
2058 char *ptr;
02949f79 2059 void *pa1 = Ra1;
2060
2061#ifdef PSXBIOS_LOG
2062 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
2063#endif
2064
2065 v0 = -1;
2066 if (!pa1) {
2067 pc0 = ra;
2068 return;
2069 }
ef79bbde
P		 2070
2071 if (a0 == 1) { // stdout
02949f79 2072 char *ptr = pa1;
ef79bbde 2073
02949f79 2074 v0 = a2;
ef79bbde
P		 2075 while (a2 > 0) {
2076 SysPrintf("%c", *ptr++); a2--;
2077 }
2078 pc0 = ra; return;
2079 }
ef79bbde
P		 2080
2081 switch (a0) {
595a136b 2082 case 2: buwrite(pa1, 1, a2); break;
2083 case 3: buwrite(pa1, 2, a2); break;
ef79bbde
P		 2084 }
2085
2086 pc0 = ra;
2087}
2088
2089/*
2090 * int close(int fd);
2091 */
2092
2093void psxBios_close() { // 0x36
2094#ifdef PSXBIOS_LOG
2095 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
2096#endif
2097
2098 v0 = a0;
2099 pc0 = ra;
2100}
2101
2102void psxBios_putchar() { // 3d
2103 SysPrintf("%c", (char)a0);
2104 pc0 = ra;
2105}
2106
2107void psxBios_puts() { // 3e/3f
808a13bd 2108 SysPrintf("%s", Ra0);
ef79bbde
P		 2109 pc0 = ra;
2110}
2111
2112char ffile[64], *pfile;
2113int nfile;
2114
2115#define bufile(mcd) { \
2116 while (nfile < 16) { \
2117 int match=1; \
2118 \
595a136b 2119 ptr = Mcd##mcd##Data + 128 * (nfile + 1); \
ef79bbde
P		 2120 nfile++; \
2121 if ((*ptr & 0xF0) != 0x50) continue; \
595a136b 2122 /* Bug link files show up as free block. */ \
2123 if (!ptr[0xa]) continue; \
ef79bbde
P		 2124 ptr+= 0xa; \
2125 if (pfile[0] == 0) { \
507d7c1d 2126 strncpy(dir->name, ptr, sizeof(dir->name)); \
2127 dir->name[sizeof(dir->name) - 1] = '\0'; \
ef79bbde
P		 2128 } else for (i=0; i<20; i++) { \
2129 if (pfile[i] == ptr[i]) { \
595a136b 2130 dir->name[i] = ptr[i]; continue; } \
ef79bbde
P		 2131 if (pfile[i] == '?') { \
2132 dir->name[i] = ptr[i]; continue; } \
2133 if (pfile[i] == '*') { \
2134 strcpy(dir->name+i, ptr+i); break; } \
2135 match = 0; break; \
2136 } \
2137 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
595a136b 2138 if (match == 0) { continue; } \
ef79bbde
P		 2139 dir->size = 8192; \
2140 v0 = _dir; \
2141 break; \
2142 } \
2143}
2144
2145/*
2146 * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
2147 */
2148
2149void psxBios_firstfile() { // 42
2150 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
02949f79 2151 void *pa0 = Ra0;
ef79bbde
P		 2152 u32 _dir = a1;
2153 char *ptr;
2154 int i;
2155
2156#ifdef PSXBIOS_LOG
2157 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
2158#endif
2159
2160 v0 = 0;
2161
02949f79 2162 if (pa0) {
2163 strcpy(ffile, pa0);
2164 pfile = ffile+5;
2165 nfile = 1;
2166 if (!strncmp(pa0, "bu00", 4)) {
857fabea 2167 // firstfile() calls _card_read() internally, so deliver it's event
2168 DeliverEvent(0x11, 0x2);
02949f79 2169 bufile(1);
2170 } else if (!strncmp(pa0, "bu10", 4)) {
857fabea 2171 // firstfile() calls _card_read() internally, so deliver it's event
2172 DeliverEvent(0x11, 0x2);
02949f79 2173 bufile(2);
2174 }
ef79bbde
P		 2175 }
2176
2177 pc0 = ra;
2178}
2179
2180/*
2181 * struct DIRENTRY* nextfile(struct DIRENTRY *dir);
2182 */
2183
2184void psxBios_nextfile() { // 43
2185 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
2186 u32 _dir = a0;
2187 char *ptr;
2188 int i;
2189
2190#ifdef PSXBIOS_LOG
2191 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
2192#endif
2193
2194 v0 = 0;
2195
2196 if (!strncmp(ffile, "bu00", 4)) {
2197 bufile(1);
2198 }
2199
2200 if (!strncmp(ffile, "bu10", 4)) {
2201 bufile(2);
2202 }
2203
2204 pc0 = ra;
2205}
2206
2207#define burename(mcd) { \
2208 for (i=1; i<16; i++) { \
2209 int namelen, j, xor = 0; \
2210 ptr = Mcd##mcd##Data + 128 * i; \
2211 if ((*ptr & 0xF0) != 0x50) continue; \
2212 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2213 namelen = strlen(Ra1+5); \
2214 memcpy(ptr+0xa, Ra1+5, namelen); \
2215 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
2216 for (j=0; j<127; j++) xor^= ptr[j]; \
2217 ptr[127] = xor; \
2218 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
2219 v0 = 1; \
2220 break; \
2221 } \
2222}
2223
2224/*
2225 * int rename(char *old, char *new);
2226 */
2227
2228void psxBios_rename() { // 44
02949f79 2229 void *pa0 = Ra0;
2230 void *pa1 = Ra1;
ef79bbde
P		 2231 char *ptr;
2232 int i;
2233
2234#ifdef PSXBIOS_LOG
2235 PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
2236#endif
2237
2238 v0 = 0;
2239
02949f79 2240 if (pa0 && pa1) {
2241 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
2242 burename(1);
2243 }
ef79bbde 2244
02949f79 2245 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
2246 burename(2);
2247 }
ef79bbde
P		 2248 }
2249
2250 pc0 = ra;
2251}
2252
2253
2254#define budelete(mcd) { \
2255 for (i=1; i<16; i++) { \
2256 ptr = Mcd##mcd##Data + 128 * i; \
2257 if ((*ptr & 0xF0) != 0x50) continue; \
2258 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2259 *ptr = (*ptr & 0xf) | 0xA0; \
2260 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
2261 SysPrintf("delete %s\n", ptr+0xa); \
2262 v0 = 1; \
2263 break; \
2264 } \
2265}
2266
2267/*
2268 * int delete(char *name);
2269 */
2270
2271void psxBios_delete() { // 45
02949f79 2272 void *pa0 = Ra0;
ef79bbde
P		 2273 char *ptr;
2274 int i;
2275
2276#ifdef PSXBIOS_LOG
2277 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2278#endif
2279
2280 v0 = 0;
2281
02949f79 2282 if (pa0) {
2283 if (!strncmp(pa0, "bu00", 4)) {
2284 budelete(1);
2285 }
ef79bbde 2286
02949f79 2287 if (!strncmp(pa0, "bu10", 4)) {
2288 budelete(2);
2289 }
ef79bbde
P		 2290 }
2291
2292 pc0 = ra;
2293}
2294
2295void psxBios_InitCARD() { // 4a
2296#ifdef PSXBIOS_LOG
2297 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2298#endif
2299
2300 CardState = 0;
2301
2302 pc0 = ra;
2303}
2304
2305void psxBios_StartCARD() { // 4b
2306#ifdef PSXBIOS_LOG
2307 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2308#endif
2309
2310 if (CardState == 0) CardState = 1;
2311
2312 pc0 = ra;
2313}
2314
2315void psxBios_StopCARD() { // 4c
2316#ifdef PSXBIOS_LOG
2317 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2318#endif
2319
2320 if (CardState == 1) CardState = 0;
2321
2322 pc0 = ra;
2323}
2324
2325void psxBios__card_write() { // 0x4e
02949f79 2326 void *pa2 = Ra2;
ef79bbde
P		 2327 int port;
2328
2329#ifdef PSXBIOS_LOG
2330 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2331#endif
bd48ba5e 2332 /* Function also accepts sector 400h (a bug) */
2333 if (!(a1 <= 0x400))
2334 {
2335 /* Invalid sectors */
2336 v0 = 0; pc0 = ra;
2337 return;
2338 }
e9fda093 2339 card_active_chan = a0;
ef79bbde
P		 2340 port = a0 >> 4;
2341
02949f79 2342 if (pa2) {
2343 if (port == 0) {
2344 memcpy(Mcd1Data + a1 * 128, pa2, 128);
2345 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2346 } else {
2347 memcpy(Mcd2Data + a1 * 128, pa2, 128);
2348 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2349 }
ef79bbde
P		 2350 }
2351
2352 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2353// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2354
2355 v0 = 1; pc0 = ra;
2356}
2357
2358void psxBios__card_read() { // 0x4f
02949f79 2359 void *pa2 = Ra2;
ef79bbde
P		 2360 int port;
2361
2362#ifdef PSXBIOS_LOG
2363 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2364#endif
bd48ba5e 2365 /* Function also accepts sector 400h (a bug) */
2366 if (!(a1 <= 0x400))
2367 {
2368 /* Invalid sectors */
2369 v0 = 0; pc0 = ra;
2370 return;
2371 }
e9fda093 2372 card_active_chan = a0;
ef79bbde
P		 2373 port = a0 >> 4;
2374
02949f79 2375 if (pa2) {
2376 if (port == 0) {
2377 memcpy(pa2, Mcd1Data + a1 * 128, 128);
2378 } else {
2379 memcpy(pa2, Mcd2Data + a1 * 128, 128);
2380 }
ef79bbde
P		 2381 }
2382
2383 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2384// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2385
2386 v0 = 1; pc0 = ra;
2387}
2388
2389void psxBios__new_card() { // 0x50
2390#ifdef PSXBIOS_LOG
2391 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2392#endif
2393
2394 pc0 = ra;
2395}
2396
2397void psxBios_Krom2RawAdd() { // 0x51
2398 int i = 0;
2399
2400 const u32 table_8140[][2] = {
2401 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2402 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2403 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2404 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2405 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2406 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2407 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2408 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2409 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2410 {0xffff, 0}
2411 };
2412
2413 const u32 table_889f[][2] = {
2414 {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4},
2415 {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304},
2416 {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14},
2417 {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24},
2418 {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734},
2419 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2420 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2421 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2422 {0xffff, 0}
2423 };
2424
2425 if (a0 >= 0x8140 && a0 <= 0x84be) {
2426 while (table_8140[i][0] <= a0) i++;
2427 a0 -= table_8140[i - 1][0];
2428 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2429 } else if (a0 >= 0x889f && a0 <= 0x9872) {
2430 while (table_889f[i][0] <= a0) i++;
2431 a0 -= table_889f[i - 1][0];
2432 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2433 } else {
2434 v0 = 0xffffffff;
2435 }
2436
2437 pc0 = ra;
2438}
2439
2440void psxBios_GetC0Table() { // 56
2441#ifdef PSXBIOS_LOG
2442 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2443#endif
2444
2445 v0 = 0x674; pc0 = ra;
2446}
2447
2448void psxBios_GetB0Table() { // 57
2449#ifdef PSXBIOS_LOG
2450 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2451#endif
2452
2453 v0 = 0x874; pc0 = ra;
2454}
2455
e9fda093 2456void psxBios__card_chan() { // 0x58
2457#ifdef PSXBIOS_LOG
2458 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2459#endif
2460
2461 v0 = card_active_chan;
2462 pc0 = ra;
2463}
2464
ef79bbde
P		 2465void psxBios_ChangeClearPad() { // 5b
2466#ifdef PSXBIOS_LOG
2467 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2468#endif
2469
2470 pc0 = ra;
2471}
2472
2473/* System calls C0 */
2474
2475/*
2476 * int SysEnqIntRP(int index , long *queue);
2477 */
2478
2479void psxBios_SysEnqIntRP() { // 02
2480#ifdef PSXBIOS_LOG
2481 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2482#endif
2483
2484 SysIntRP[a0] = a1;
2485
2486 v0 = 0; pc0 = ra;
2487}
2488
2489/*
2490 * int SysDeqIntRP(int index , long *queue);
2491 */
2492
2493void psxBios_SysDeqIntRP() { // 03
2494#ifdef PSXBIOS_LOG
2495 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2496#endif
2497
2498 SysIntRP[a0] = 0;
2499
2500 v0 = 0; pc0 = ra;
2501}
2502
2503void psxBios_ChangeClearRCnt() { // 0a
2504 u32 *ptr;
2505
2506#ifdef PSXBIOS_LOG
2507 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2508#endif
2509
2510 ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2511 v0 = *ptr;
2512 *ptr = a1;
2513
2514// psxRegs.CP0.n.Status|= 0x404;
2515 pc0 = ra;
2516}
2517
2518void psxBios_dummy() {
2519#ifdef PSXBIOS_LOG
2520 PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2521#endif
2522 pc0 = ra;
2523}
2524
2525void (*biosA0[256])();
2526void (*biosB0[256])();
2527void (*biosC0[256])();
2528
2529#include "sjisfont.h"
2530
2531void psxBiosInit() {
2532 u32 base, size;
2533 u32 *ptr;
2534 int i;
2535 uLongf len;
2536
2537 for(i = 0; i < 256; i++) {
2538 biosA0[i] = NULL;
2539 biosB0[i] = NULL;
2540 biosC0[i] = NULL;
2541 }
2542 biosA0[0x3e] = psxBios_puts;
2543 biosA0[0x3f] = psxBios_printf;
2544
2545 biosB0[0x3d] = psxBios_putchar;
2546 biosB0[0x3f] = psxBios_puts;
2547
2548 if (!Config.HLE) return;
2549
2550 for(i = 0; i < 256; i++) {
2551 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2552 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2553 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2554 }
2555
2556 biosA0[0x00] = psxBios_open;
2557 biosA0[0x01] = psxBios_lseek;
2558 biosA0[0x02] = psxBios_read;
2559 biosA0[0x03] = psxBios_write;
2560 biosA0[0x04] = psxBios_close;
2561 //biosA0[0x05] = psxBios_ioctl;
2562 //biosA0[0x06] = psxBios_exit;
2563 //biosA0[0x07] = psxBios_sys_a0_07;
324cec89 2564 biosA0[0x08] = psxBios_getc;
2565 biosA0[0x09] = psxBios_putc;
ba11675c 2566 biosA0[0x0a] = psxBios_todigit;
ef79bbde
P		 2567 //biosA0[0x0b] = psxBios_atof;
2568 //biosA0[0x0c] = psxBios_strtoul;
2569 //biosA0[0x0d] = psxBios_strtol;
2570 biosA0[0x0e] = psxBios_abs;
2571 biosA0[0x0f] = psxBios_labs;
2572 biosA0[0x10] = psxBios_atoi;
2573 biosA0[0x11] = psxBios_atol;
2574 //biosA0[0x12] = psxBios_atob;
2575 biosA0[0x13] = psxBios_setjmp;
2576 biosA0[0x14] = psxBios_longjmp;
2577 biosA0[0x15] = psxBios_strcat;
2578 biosA0[0x16] = psxBios_strncat;
2579 biosA0[0x17] = psxBios_strcmp;
2580 biosA0[0x18] = psxBios_strncmp;
2581 biosA0[0x19] = psxBios_strcpy;
2582 biosA0[0x1a] = psxBios_strncpy;
2583 biosA0[0x1b] = psxBios_strlen;
2584 biosA0[0x1c] = psxBios_index;
2585 biosA0[0x1d] = psxBios_rindex;
2586 biosA0[0x1e] = psxBios_strchr;
2587 biosA0[0x1f] = psxBios_strrchr;
2588 biosA0[0x20] = psxBios_strpbrk;
2589 biosA0[0x21] = psxBios_strspn;
2590 biosA0[0x22] = psxBios_strcspn;
2591 biosA0[0x23] = psxBios_strtok;
2592 biosA0[0x24] = psxBios_strstr;
2593 biosA0[0x25] = psxBios_toupper;
2594 biosA0[0x26] = psxBios_tolower;
2595 biosA0[0x27] = psxBios_bcopy;
2596 biosA0[0x28] = psxBios_bzero;
2597 biosA0[0x29] = psxBios_bcmp;
2598 biosA0[0x2a] = psxBios_memcpy;
2599 biosA0[0x2b] = psxBios_memset;
2600 biosA0[0x2c] = psxBios_memmove;
2601 biosA0[0x2d] = psxBios_memcmp;
2602 biosA0[0x2e] = psxBios_memchr;
2603 biosA0[0x2f] = psxBios_rand;
2604 biosA0[0x30] = psxBios_srand;
2605 biosA0[0x31] = psxBios_qsort;
2606 //biosA0[0x32] = psxBios_strtod;
2607 biosA0[0x33] = psxBios_malloc;
2608 biosA0[0x34] = psxBios_free;
2609 //biosA0[0x35] = psxBios_lsearch;
2610 //biosA0[0x36] = psxBios_bsearch;
2611 biosA0[0x37] = psxBios_calloc;
2612 biosA0[0x38] = psxBios_realloc;
2613 biosA0[0x39] = psxBios_InitHeap;
2614 //biosA0[0x3a] = psxBios__exit;
2615 biosA0[0x3b] = psxBios_getchar;
2616 biosA0[0x3c] = psxBios_putchar;
2617 //biosA0[0x3d] = psxBios_gets;
2618 //biosA0[0x40] = psxBios_sys_a0_40;
2619 //biosA0[0x41] = psxBios_LoadTest;
2620 biosA0[0x42] = psxBios_Load;
2621 biosA0[0x43] = psxBios_Exec;
2622 biosA0[0x44] = psxBios_FlushCache;
2623 //biosA0[0x45] = psxBios_InstallInterruptHandler;
2624 biosA0[0x46] = psxBios_GPU_dw;
2625 biosA0[0x47] = psxBios_mem2vram;
2626 biosA0[0x48] = psxBios_SendGPU;
2627 biosA0[0x49] = psxBios_GPU_cw;
2628 biosA0[0x4a] = psxBios_GPU_cwb;
2629 biosA0[0x4b] = psxBios_GPU_SendPackets;
2630 biosA0[0x4c] = psxBios_sys_a0_4c;
2631 biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2632 //biosA0[0x4e] = psxBios_GPU_sync;
2633 //biosA0[0x4f] = psxBios_sys_a0_4f;
2634 //biosA0[0x50] = psxBios_sys_a0_50;
2635 biosA0[0x51] = psxBios_LoadExec;
2636 //biosA0[0x52] = psxBios_GetSysSp;
2637 //biosA0[0x53] = psxBios_sys_a0_53;
2638 //biosA0[0x54] = psxBios__96_init_a54;
2639 //biosA0[0x55] = psxBios__bu_init_a55;
2640 //biosA0[0x56] = psxBios__96_remove_a56;
2641 //biosA0[0x57] = psxBios_sys_a0_57;
2642 //biosA0[0x58] = psxBios_sys_a0_58;
2643 //biosA0[0x59] = psxBios_sys_a0_59;
2644 //biosA0[0x5a] = psxBios_sys_a0_5a;
2645 //biosA0[0x5b] = psxBios_dev_tty_init;
2646 //biosA0[0x5c] = psxBios_dev_tty_open;
2647 //biosA0[0x5d] = psxBios_sys_a0_5d;
2648 //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2649 //biosA0[0x5f] = psxBios_dev_cd_open;
2650 //biosA0[0x60] = psxBios_dev_cd_read;
2651 //biosA0[0x61] = psxBios_dev_cd_close;
2652 //biosA0[0x62] = psxBios_dev_cd_firstfile;
2653 //biosA0[0x63] = psxBios_dev_cd_nextfile;
2654 //biosA0[0x64] = psxBios_dev_cd_chdir;
2655 //biosA0[0x65] = psxBios_dev_card_open;
2656 //biosA0[0x66] = psxBios_dev_card_read;
2657 //biosA0[0x67] = psxBios_dev_card_write;
2658 //biosA0[0x68] = psxBios_dev_card_close;
2659 //biosA0[0x69] = psxBios_dev_card_firstfile;
2660 //biosA0[0x6a] = psxBios_dev_card_nextfile;
2661 //biosA0[0x6b] = psxBios_dev_card_erase;
2662 //biosA0[0x6c] = psxBios_dev_card_undelete;
2663 //biosA0[0x6d] = psxBios_dev_card_format;
2664 //biosA0[0x6e] = psxBios_dev_card_rename;
2665 //biosA0[0x6f] = psxBios_dev_card_6f;
2666 biosA0[0x70] = psxBios__bu_init;
2667 biosA0[0x71] = psxBios__96_init;
2668 biosA0[0x72] = psxBios__96_remove;
2669 //biosA0[0x73] = psxBios_sys_a0_73;
2670 //biosA0[0x74] = psxBios_sys_a0_74;
2671 //biosA0[0x75] = psxBios_sys_a0_75;
2672 //biosA0[0x76] = psxBios_sys_a0_76;
2673 //biosA0[0x77] = psxBios_sys_a0_77;
2674 //biosA0[0x78] = psxBios__96_CdSeekL;
2675 //biosA0[0x79] = psxBios_sys_a0_79;
2676 //biosA0[0x7a] = psxBios_sys_a0_7a;
2677 //biosA0[0x7b] = psxBios_sys_a0_7b;
2678 //biosA0[0x7c] = psxBios__96_CdGetStatus;
2679 //biosA0[0x7d] = psxBios_sys_a0_7d;
2680 //biosA0[0x7e] = psxBios__96_CdRead;
2681 //biosA0[0x7f] = psxBios_sys_a0_7f;
2682 //biosA0[0x80] = psxBios_sys_a0_80;
2683 //biosA0[0x81] = psxBios_sys_a0_81;
2684 //biosA0[0x82] = psxBios_sys_a0_82;
2685 //biosA0[0x83] = psxBios_sys_a0_83;
2686 //biosA0[0x84] = psxBios_sys_a0_84;
2687 //biosA0[0x85] = psxBios__96_CdStop;
2688 //biosA0[0x86] = psxBios_sys_a0_86;
2689 //biosA0[0x87] = psxBios_sys_a0_87;
2690 //biosA0[0x88] = psxBios_sys_a0_88;
2691 //biosA0[0x89] = psxBios_sys_a0_89;
2692 //biosA0[0x8a] = psxBios_sys_a0_8a;
2693 //biosA0[0x8b] = psxBios_sys_a0_8b;
2694 //biosA0[0x8c] = psxBios_sys_a0_8c;
2695 //biosA0[0x8d] = psxBios_sys_a0_8d;
2696 //biosA0[0x8e] = psxBios_sys_a0_8e;
2697 //biosA0[0x8f] = psxBios_sys_a0_8f;
2698 //biosA0[0x90] = psxBios_sys_a0_90;
2699 //biosA0[0x91] = psxBios_sys_a0_91;
2700 //biosA0[0x92] = psxBios_sys_a0_92;
2701 //biosA0[0x93] = psxBios_sys_a0_93;
2702 //biosA0[0x94] = psxBios_sys_a0_94;
2703 //biosA0[0x95] = psxBios_sys_a0_95;
2704 //biosA0[0x96] = psxBios_AddCDROMDevice;
2705 //biosA0[0x97] = psxBios_AddMemCardDevide;
2706 //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2707 //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2708 //biosA0[0x9a] = psxBios_sys_a0_9a;
2709 //biosA0[0x9b] = psxBios_sys_a0_9b;
2710 //biosA0[0x9c] = psxBios_SetConf;
2711 //biosA0[0x9d] = psxBios_GetConf;
2712 //biosA0[0x9e] = psxBios_sys_a0_9e;
2713 biosA0[0x9f] = psxBios_SetMem;
2714 //biosA0[0xa0] = psxBios__boot;
2715 //biosA0[0xa1] = psxBios_SystemError;
2716 //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2717 //biosA0[0xa3] = psxBios_DequeueCdIntr;
2718 //biosA0[0xa4] = psxBios_sys_a0_a4;
2719 //biosA0[0xa5] = psxBios_ReadSector;
2720 //biosA0[0xa6] = psxBios_get_cd_status;
2721 //biosA0[0xa7] = psxBios_bufs_cb_0;
2722 //biosA0[0xa8] = psxBios_bufs_cb_1;
2723 //biosA0[0xa9] = psxBios_bufs_cb_2;
2724 //biosA0[0xaa] = psxBios_bufs_cb_3;
2725 biosA0[0xab] = psxBios__card_info;
2726 biosA0[0xac] = psxBios__card_load;
2727 //biosA0[0axd] = psxBios__card_auto;
2728 //biosA0[0xae] = psxBios_bufs_cd_4;
2729 //biosA0[0xaf] = psxBios_sys_a0_af;
2730 //biosA0[0xb0] = psxBios_sys_a0_b0;
2731 //biosA0[0xb1] = psxBios_sys_a0_b1;
2732 //biosA0[0xb2] = psxBios_do_a_long_jmp
2733 //biosA0[0xb3] = psxBios_sys_a0_b3;
2734 //biosA0[0xb4] = psxBios_sub_function;
2735//*******************B0 CALLS****************************
2736 //biosB0[0x00] = psxBios_SysMalloc;
2737 //biosB0[0x01] = psxBios_sys_b0_01;
2738 biosB0[0x02] = psxBios_SetRCnt;
2739 biosB0[0x03] = psxBios_GetRCnt;
2740 biosB0[0x04] = psxBios_StartRCnt;
2741 biosB0[0x05] = psxBios_StopRCnt;
2742 biosB0[0x06] = psxBios_ResetRCnt;
2743 biosB0[0x07] = psxBios_DeliverEvent;
2744 biosB0[0x08] = psxBios_OpenEvent;
2745 biosB0[0x09] = psxBios_CloseEvent;
2746 biosB0[0x0a] = psxBios_WaitEvent;
2747 biosB0[0x0b] = psxBios_TestEvent;
2748 biosB0[0x0c] = psxBios_EnableEvent;
2749 biosB0[0x0d] = psxBios_DisableEvent;
2750 biosB0[0x0e] = psxBios_OpenTh;
2751 biosB0[0x0f] = psxBios_CloseTh;
2752 biosB0[0x10] = psxBios_ChangeTh;
2753 //biosB0[0x11] = psxBios_psxBios_b0_11;
2754 biosB0[0x12] = psxBios_InitPAD;
2755 biosB0[0x13] = psxBios_StartPAD;
2756 biosB0[0x14] = psxBios_StopPAD;
2757 biosB0[0x15] = psxBios_PAD_init;
2758 biosB0[0x16] = psxBios_PAD_dr;
2759 biosB0[0x17] = psxBios_ReturnFromException;
2760 biosB0[0x18] = psxBios_ResetEntryInt;
2761 biosB0[0x19] = psxBios_HookEntryInt;
2762 //biosB0[0x1a] = psxBios_sys_b0_1a;
2763 //biosB0[0x1b] = psxBios_sys_b0_1b;
2764 //biosB0[0x1c] = psxBios_sys_b0_1c;
2765 //biosB0[0x1d] = psxBios_sys_b0_1d;
2766 //biosB0[0x1e] = psxBios_sys_b0_1e;
2767 //biosB0[0x1f] = psxBios_sys_b0_1f;
2768 biosB0[0x20] = psxBios_UnDeliverEvent;
2769 //biosB0[0x21] = psxBios_sys_b0_21;
2770 //biosB0[0x22] = psxBios_sys_b0_22;
2771 //biosB0[0x23] = psxBios_sys_b0_23;
2772 //biosB0[0x24] = psxBios_sys_b0_24;
2773 //biosB0[0x25] = psxBios_sys_b0_25;
2774 //biosB0[0x26] = psxBios_sys_b0_26;
2775 //biosB0[0x27] = psxBios_sys_b0_27;
2776 //biosB0[0x28] = psxBios_sys_b0_28;
2777 //biosB0[0x29] = psxBios_sys_b0_29;
2778 //biosB0[0x2a] = psxBios_sys_b0_2a;
2779 //biosB0[0x2b] = psxBios_sys_b0_2b;
2780 //biosB0[0x2c] = psxBios_sys_b0_2c;
2781 //biosB0[0x2d] = psxBios_sys_b0_2d;
2782 //biosB0[0x2e] = psxBios_sys_b0_2e;
2783 //biosB0[0x2f] = psxBios_sys_b0_2f;
2784 //biosB0[0x30] = psxBios_sys_b0_30;
2785 //biosB0[0x31] = psxBios_sys_b0_31;
2786 biosB0[0x32] = psxBios_open;
2787 biosB0[0x33] = psxBios_lseek;
2788 biosB0[0x34] = psxBios_read;
2789 biosB0[0x35] = psxBios_write;
2790 biosB0[0x36] = psxBios_close;
2791 //biosB0[0x37] = psxBios_ioctl;
2792 //biosB0[0x38] = psxBios_exit;
2793 //biosB0[0x39] = psxBios_sys_b0_39;
2794 //biosB0[0x3a] = psxBios_getc;
2795 //biosB0[0x3b] = psxBios_putc;
2796 biosB0[0x3c] = psxBios_getchar;
2797 //biosB0[0x3e] = psxBios_gets;
2798 //biosB0[0x40] = psxBios_cd;
e7e1f572 2799 biosB0[0x41] = psxBios_format;
ef79bbde
P		 2800 biosB0[0x42] = psxBios_firstfile;
2801 biosB0[0x43] = psxBios_nextfile;
2802 biosB0[0x44] = psxBios_rename;
2803 biosB0[0x45] = psxBios_delete;
2804 //biosB0[0x46] = psxBios_undelete;
2805 //biosB0[0x47] = psxBios_AddDevice;
2806 //biosB0[0x48] = psxBios_RemoteDevice;
2807 //biosB0[0x49] = psxBios_PrintInstalledDevices;
2808 biosB0[0x4a] = psxBios_InitCARD;
2809 biosB0[0x4b] = psxBios_StartCARD;
2810 biosB0[0x4c] = psxBios_StopCARD;
2811 //biosB0[0x4d] = psxBios_sys_b0_4d;
2812 biosB0[0x4e] = psxBios__card_write;
2813 biosB0[0x4f] = psxBios__card_read;
2814 biosB0[0x50] = psxBios__new_card;
2815 biosB0[0x51] = psxBios_Krom2RawAdd;
2816 //biosB0[0x52] = psxBios_sys_b0_52;
2817 //biosB0[0x53] = psxBios_sys_b0_53;
2818 //biosB0[0x54] = psxBios__get_errno;
2819 //biosB0[0x55] = psxBios__get_error;
2820 biosB0[0x56] = psxBios_GetC0Table;
2821 biosB0[0x57] = psxBios_GetB0Table;
e9fda093 2822 biosB0[0x58] = psxBios__card_chan;
ef79bbde
P		 2823 //biosB0[0x59] = psxBios_sys_b0_59;
2824 //biosB0[0x5a] = psxBios_sys_b0_5a;
2825 biosB0[0x5b] = psxBios_ChangeClearPad;
2826 //biosB0[0x5c] = psxBios__card_status;
2827 //biosB0[0x5d] = psxBios__card_wait;
2828//*******************C0 CALLS****************************
2829 //biosC0[0x00] = psxBios_InitRCnt;
2830 //biosC0[0x01] = psxBios_InitException;
2831 biosC0[0x02] = psxBios_SysEnqIntRP;
2832 biosC0[0x03] = psxBios_SysDeqIntRP;
2833 //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2834 //biosC0[0x05] = psxBios_get_free_TCB_slot;
2835 //biosC0[0x06] = psxBios_ExceptionHandler;
2836 //biosC0[0x07] = psxBios_InstallExeptionHandler;
2837 //biosC0[0x08] = psxBios_SysInitMemory;
2838 //biosC0[0x09] = psxBios_SysInitKMem;
2839 biosC0[0x0a] = psxBios_ChangeClearRCnt;
2840 //biosC0[0x0b] = psxBios_SystemError;
2841 //biosC0[0x0c] = psxBios_InitDefInt;
2842 //biosC0[0x0d] = psxBios_sys_c0_0d;
2843 //biosC0[0x0e] = psxBios_sys_c0_0e;
2844 //biosC0[0x0f] = psxBios_sys_c0_0f;
2845 //biosC0[0x10] = psxBios_sys_c0_10;
2846 //biosC0[0x11] = psxBios_sys_c0_11;
2847 //biosC0[0x12] = psxBios_InstallDevices;
2848 //biosC0[0x13] = psxBios_FlushStfInOutPut;
2849 //biosC0[0x14] = psxBios_sys_c0_14;
2850 //biosC0[0x15] = psxBios__cdevinput;
2851 //biosC0[0x16] = psxBios__cdevscan;
2852 //biosC0[0x17] = psxBios__circgetc;
2853 //biosC0[0x18] = psxBios__circputc;
2854 //biosC0[0x19] = psxBios_ioabort;
2855 //biosC0[0x1a] = psxBios_sys_c0_1a
2856 //biosC0[0x1b] = psxBios_KernelRedirect;
2857 //biosC0[0x1c] = psxBios_PatchAOTable;
2858//************** THE END ***************************************
2859/**/
2860 base = 0x1000;
2861 size = sizeof(EvCB) * 32;
2862 Event = (void *)&psxR[base]; base += size * 6;
2863 memset(Event, 0, size * 6);
2864 HwEV = Event;
2865 EvEV = Event + 32;
2866 RcEV = Event + 32 * 2;
2867 UeEV = Event + 32 * 3;
2868 SwEV = Event + 32 * 4;
2869 ThEV = Event + 32 * 5;
2870
2871 ptr = (u32 *)&psxM[0x0874]; // b0 table
2872 ptr[0] = SWAPu32(0x4c54 - 0x884);
2873
2874 ptr = (u32 *)&psxM[0x0674]; // c0 table
2875 ptr[6] = SWAPu32(0xc80);
2876
2877 memset(SysIntRP, 0, sizeof(SysIntRP));
2878 memset(Thread, 0, sizeof(Thread));
2879 Thread[0].status = 2; // main thread
2880
c62b43c9 2881 jmp_int = NULL;
2882 pad_buf = NULL;
2883 pad_buf1 = NULL;
2884 pad_buf2 = NULL;
2885 pad_buf1len = pad_buf2len = 0;
2886 heap_addr = NULL;
2887 heap_end = NULL;
2888 CardState = -1;
2889 CurThread = 0;
2890 memset(FDesc, 0, sizeof(FDesc));
2891
ef79bbde
P		 2892 psxMu32ref(0x0150) = SWAPu32(0x160);
2893 psxMu32ref(0x0154) = SWAPu32(0x320);
2894 psxMu32ref(0x0160) = SWAPu32(0x248);
2895 strcpy((char *)&psxM[0x248], "bu");
2896/* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
2897 psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
2898 psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
2899 psxMu32ref(0x09e0) = SWAPu32(0x43d0);
2900 psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
2901*/
2902 // opcode HLE
2903 psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
2904 psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
2905 psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
2906 psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
2907 psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
2908 psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
2909 psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
2910 psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
2911 psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
2912 psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
2913
2914 // initial stack pointer for BIOS interrupt
2915 psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
2916
2917 // initial RNG seed
2918 psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
2919
2920 // fonts
2921 len = 0x80000 - 0x66000;
2922 uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
2923 len = 0x80000 - 0x69d68;
2924 uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
2925
2926 // memory size 2 MB
2927 psxHu32ref(0x1060) = SWAPu32(0x00000b88);
2928
2929 hleSoftCall = FALSE;
2930}
2931
2932void psxBiosShutdown() {
2933}
2934
2935#define psxBios_PADpoll(pad) { \
2936 PAD##pad##_startPoll(pad); \
2937 pad_buf##pad[0] = 0; \
2938 pad_buf##pad[1] = PAD##pad##_poll(0x42); \
2939 if (!(pad_buf##pad[1] & 0x0f)) { \
2940 bufcount = 32; \
2941 } else { \
2942 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
2943 } \
2944 PAD##pad##_poll(0); \
2945 i = 2; \
2946 while (bufcount--) { \
2947 pad_buf##pad[i++] = PAD##pad##_poll(0); \
2948 } \
2949}
2950
2951void biosInterrupt() {
2952 int i, bufcount;
2953
2954// if (psxHu32(0x1070) & 0x1) { // Vsync
2955 if (pad_buf != NULL) {
2956 u32 *buf = (u32*)pad_buf;
2957
2958 if (!Config.UseNet) {
2959 PAD1_startPoll(1);
2960 if (PAD1_poll(0x42) == 0x23) {
2961 PAD1_poll(0);
2962 *buf = PAD1_poll(0) << 8;
2963 *buf |= PAD1_poll(0);
2964 PAD1_poll(0);
2965 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
2966 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
2967 } else {
2968 PAD1_poll(0);
2969 *buf = PAD1_poll(0) << 8;
2970 *buf|= PAD1_poll(0);
2971 }
2972
2973 PAD2_startPoll(2);
2974 if (PAD2_poll(0x42) == 0x23) {
2975 PAD2_poll(0);
2976 *buf |= PAD2_poll(0) << 24;
2977 *buf |= PAD2_poll(0) << 16;
2978 PAD2_poll(0);
2979 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
2980 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
2981 } else {
2982 PAD2_poll(0);
2983 *buf |= PAD2_poll(0) << 24;
2984 *buf |= PAD2_poll(0) << 16;
2985 }
2986 } else {
2987 u16 data;
2988
2989 PAD1_startPoll(1);
2990 PAD1_poll(0x42);
2991 PAD1_poll(0);
2992 data = PAD1_poll(0) << 8;
2993 data |= PAD1_poll(0);
2994
2995 if (NET_sendPadData(&data, 2) == -1)
2996 netError();
2997
2998 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
2999 netError();
3000 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
3001 netError();
3002 }
3003 }
3004 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
3005 psxBios_PADpoll(1);
3006
3007 if (NET_sendPadData(pad_buf1, i) == -1)
3008 netError();
3009
3010 if (NET_recvPadData(pad_buf1, 1) == -1)
3011 netError();
3012 if (NET_recvPadData(pad_buf2, 2) == -1)
3013 netError();
3014 } else {
3015 if (pad_buf1) {
3016 psxBios_PADpoll(1);
3017 }
3018
3019 if (pad_buf2) {
3020 psxBios_PADpoll(2);
3021 }
3022 }
3023
3024 if (psxHu32(0x1070) & 0x1) { // Vsync
3025 if (RcEV[3][1].status == EvStACTIVE) {
3026 softCall(RcEV[3][1].fhandler);
3027// hwWrite32(0x1f801070, ~(1));
3028 }
3029 }
3030
3031 if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
3032 int i;
3033
3034 for (i = 0; i < 3; i++) {
3035 if (psxHu32(0x1070) & (1 << (i + 4))) {
3036 if (RcEV[i][1].status == EvStACTIVE) {
3037 softCall(RcEV[i][1].fhandler);
3038 }
3039 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
3040 }
3041 }
3042 }
3043}
3044
3045void psxBiosException() {
3046 int i;
3047
3048 switch (psxRegs.CP0.n.Cause & 0x3c) {
3049 case 0x00: // Interrupt
3050#ifdef PSXCPU_LOG
3051// PSXCPU_LOG("interrupt\n");
3052#endif
3053 SaveRegs();
3054
3055 sp = psxMu32(0x6c80); // create new stack for interrupt handlers
3056
3057 biosInterrupt();
3058
3059 for (i = 0; i < 8; i++) {
3060 if (SysIntRP[i]) {
3061 u32 *queue = (u32 *)PSXM(SysIntRP[i]);
3062
3063 s0 = queue[2];
3064 softCall(queue[1]);
3065 }
3066 }
3067
3068 if (jmp_int != NULL) {
3069 int i;
3070
3071 psxHwWrite32(0x1f801070, 0xffffffff);
3072
3073 ra = jmp_int[0];
3074 sp = jmp_int[1];
3075 fp = jmp_int[2];
3076 for (i = 0; i < 8; i++) // s0-s7
3077 psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
3078 gp = jmp_int[11];
3079
3080 v0 = 1;
3081 pc0 = ra;
3082 return;
3083 }
3084 psxHwWrite16(0x1f801070, 0);
3085 break;
3086
3087 case 0x20: // Syscall
3088#ifdef PSXCPU_LOG
3089 PSXCPU_LOG("syscall exp %x\n", a0);
3090#endif
3091 switch (a0) {
3092 case 1: // EnterCritical - disable irq's
79dad1b3 3093 /* Fixes Medievil 2 not loading up new game, Digimon World not booting up and possibly others */
3094 v0 = (psxRegs.CP0.n.Status & 0x404) == 0x404;
3095 psxRegs.CP0.n.Status &= ~0x404;
ef79bbde
P		 3096 break;
3097
3098 case 2: // ExitCritical - enable irq's
3099 psxRegs.CP0.n.Status |= 0x404;
3100 break;
3101 }
3102 pc0 = psxRegs.CP0.n.EPC + 4;
3103
3104 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3105 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3106 return;
3107
3108 default:
3109#ifdef PSXCPU_LOG
3110 PSXCPU_LOG("unknown bios exception!\n");
3111#endif
3112 break;
3113 }
3114
3115 pc0 = psxRegs.CP0.n.EPC;
3116 if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
3117
3118 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3119 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3120}
3121
3122#define bfreeze(ptr, size) { \
3123 if (Mode == 1) memcpy(&psxR[base], ptr, size); \
3124 if (Mode == 0) memcpy(ptr, &psxR[base], size); \
3125 base += size; \
3126}
3127
3128#define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
3129#define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
3130
3131#define bfreezepsxMptr(ptr, type) { \
3132 if (Mode == 1) { \
3133 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
3134 else psxRu32ref(base) = 0; \
3135 } else { \
3136 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
3137 else (ptr) = NULL; \
3138 } \
3139 base += sizeof(u32); \
3140}
3141
3142void psxBiosFreeze(int Mode) {
3143 u32 base = 0x40000;
3144
3145 bfreezepsxMptr(jmp_int, u32);
3146 bfreezepsxMptr(pad_buf, int);
3147 bfreezepsxMptr(pad_buf1, char);
3148 bfreezepsxMptr(pad_buf2, char);
3149 bfreezepsxMptr(heap_addr, u32);
3150 bfreezel(&pad_buf1len);
3151 bfreezel(&pad_buf2len);
3152 bfreezes(regs);
3153 bfreezes(SysIntRP);
3154 bfreezel(&CardState);
3155 bfreezes(Thread);
3156 bfreezel(&CurThread);
3157 bfreezes(FDesc);
e9fda093 3158 bfreezel(&card_active_chan);
ef79bbde 3159}
ARM optimized PCSX fork