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psxbios: Support other syscalls
[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
26b964b5 257static u32 heap_size = 0;
ef79bbde
P		 258static u32 *heap_addr = NULL;
259static u32 *heap_end = NULL;
260static u32 SysIntRP[8];
261static int CardState = -1;
262static TCB Thread[8];
263static int CurThread = 0;
264static FileDesc FDesc[32];
e9fda093 265static u32 card_active_chan;
ef79bbde
P		 266
267boolean hleSoftCall = FALSE;
268
269static inline void softCall(u32 pc) {
270 pc0 = pc;
271 ra = 0x80001000;
272
273 hleSoftCall = TRUE;
274
275 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
276
277 hleSoftCall = FALSE;
278}
279
280static inline void softCall2(u32 pc) {
281 u32 sra = ra;
282 pc0 = pc;
283 ra = 0x80001000;
284
285 hleSoftCall = TRUE;
286
287 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
288 ra = sra;
289
290 hleSoftCall = FALSE;
291}
292
293static inline void DeliverEvent(u32 ev, u32 spec) {
294 if (Event[ev][spec].status != EvStACTIVE) return;
295
296// Event[ev][spec].status = EvStALREADY;
297 if (Event[ev][spec].mode == EvMdINTR) {
298 softCall2(Event[ev][spec].fhandler);
299 } else Event[ev][spec].status = EvStALREADY;
300}
301
302static inline void SaveRegs() {
303 memcpy(regs, psxRegs.GPR.r, 32*4);
304 regs[32] = psxRegs.GPR.n.lo;
305 regs[33] = psxRegs.GPR.n.hi;
306 regs[34] = psxRegs.pc;
307}
308
309static inline void LoadRegs() {
310 memcpy(psxRegs.GPR.r, regs, 32*4);
311 psxRegs.GPR.n.lo = regs[32];
312 psxRegs.GPR.n.hi = regs[33];
313}
314
315/* *
316// *
317// *
318// System calls A0 */
319
d99f6068 320
321#define buread(Ra1, mcd, length) { \
322 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); \
323 ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
324 memcpy(Ra1, ptr, length); \
325 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
326 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
327 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
328 else v0 = length; \
329 FDesc[1 + mcd].offset += v0; \
330}
331
332#define buwrite(Ra1, mcd, length) { \
333 u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
334 SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \
335 ptr = Mcd##mcd##Data + offset; \
336 memcpy(ptr, Ra1, length); \
337 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
338 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
339 FDesc[1 + mcd].offset += length; \
340 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
341 else v0 = length; \
342}
343
344
324cec89 345/* Internally redirects to "FileRead(fd,tempbuf,1)".*/
346/* For some strange reason, the returned character is sign-expanded; */
347/* So if a return value of FFFFFFFFh could mean either character FFh, or error. */
348/* TODO FIX ME : Properly implement this behaviour */
349void psxBios_getc(void) // 0x03, 0x35
350{
d99f6068 351 char *ptr;
324cec89 352 void *pa1 = Ra1;
353#ifdef PSXBIOS_LOG
354 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x03]);
355#endif
356 v0 = -1;
357
358 if (pa1) {
359 switch (a0) {
360 case 2: buread(pa1, 1, 1); break;
361 case 3: buread(pa1, 2, 1); break;
362 }
363 }
364
365 pc0 = ra;
366}
367
368/* Copy of psxBios_write, except size is 1. */
369void psxBios_putc(void) // 0x09, 0x3B
370{
d99f6068 371 char *ptr;
324cec89 372 void *pa1 = Ra1;
373#ifdef PSXBIOS_LOG
374 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x09]);
375#endif
376 v0 = -1;
377 if (!pa1) {
378 pc0 = ra;
379 return;
380 }
381
382 if (a0 == 1) { // stdout
383 char *ptr = (char *)pa1;
384
385 v0 = a2;
386 while (a2 > 0) {
387 printf("%c", *ptr++); a2--;
388 }
389 pc0 = ra; return;
390 }
391
392 switch (a0) {
393 case 2: buwrite(pa1, 1, 1); break;
394 case 3: buwrite(pa1, 2, 1); break;
395 }
396
397 pc0 = ra;
398}
ef79bbde 399
ba11675c 400void psxBios_todigit(void) // 0x0a
401{
402 int c = a0;
403#ifdef PSXBIOS_LOG
404 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x0a]);
405#endif
406 c &= 0xFF;
407 if (c >= 0x30 && c < 0x3A) {
408 c -= 0x30;
409 }
410 else if (c > 0x60 && c < 0x7B) {
411 c -= 0x20;
412 }
413 else if (c > 0x40 && c < 0x5B) {
414 c = c - 0x41 + 10;
415 }
416 else if (c >= 0x80) {
417 c = -1;
418 }
419 else
420 {
421 c = 0x0098967F;
422 }
423 v0 = c;
424 pc0 = ra;
425}
426
ef79bbde
P		 427void psxBios_abs() { // 0x0e
428 if ((s32)a0 < 0) v0 = -(s32)a0;
429 else v0 = a0;
430 pc0 = ra;
431}
432
433void psxBios_labs() { // 0x0f
434 psxBios_abs();
435}
436
437void psxBios_atoi() { // 0x10
438 s32 n = 0, f = 0;
439 char *p = (char *)Ra0;
440
441 for (;;p++) {
442 switch (*p) {
443 case ' ': case '\t': continue;
444 case '-': f++;
445 case '+': p++;
446 }
447 break;
448 }
449
450 while (*p >= '0' && *p <= '9') {
451 n = n * 10 + *p++ - '0';
452 }
453
454 v0 = (f ? -n : n);
455 pc0 = ra;
456}
457
458void psxBios_atol() { // 0x11
459 psxBios_atoi();
460}
461
462void psxBios_setjmp() { // 0x13
463 u32 *jmp_buf = (u32 *)Ra0;
464 int i;
465
466#ifdef PSXBIOS_LOG
467 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]);
468#endif
469
470 jmp_buf[0] = ra;
471 jmp_buf[1] = sp;
472 jmp_buf[2] = fp;
473 for (i = 0; i < 8; i++) // s0-s7
474 jmp_buf[3 + i] = psxRegs.GPR.r[16 + i];
475 jmp_buf[11] = gp;
476
477 v0 = 0; pc0 = ra;
478}
479
480void psxBios_longjmp() { // 0x14
481 u32 *jmp_buf = (u32 *)Ra0;
482 int i;
483
484#ifdef PSXBIOS_LOG
485 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]);
486#endif
487
488 ra = jmp_buf[0]; /* ra */
489 sp = jmp_buf[1]; /* sp */
490 fp = jmp_buf[2]; /* fp */
491 for (i = 0; i < 8; i++) // s0-s7
492 psxRegs.GPR.r[16 + i] = jmp_buf[3 + i];
493 gp = jmp_buf[11]; /* gp */
494
495 v0 = a1; pc0 = ra;
496}
497
498void psxBios_strcat() { // 0x15
499 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
500
501#ifdef PSXBIOS_LOG
502 PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1);
503#endif
bee52312 504 if (a0 == 0 || a1 == 0)
505 {
506 v0 = 0;
507 pc0 = ra;
508 return;
509 }
ef79bbde
P		 510 while (*p1++);
511 --p1;
512 while ((*p1++ = *p2++) != '\0');
513
514 v0 = a0; pc0 = ra;
515}
516
517void psxBios_strncat() { // 0x16
518 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
519 s32 n = a2;
520
521#ifdef PSXBIOS_LOG
522 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2);
523#endif
f42e1e90 524 if (a0 == 0 || a1 == 0)
525 {
526 v0 = 0;
527 pc0 = ra;
528 return;
529 }
ef79bbde
P		 530 while (*p1++);
531 --p1;
532 while ((*p1++ = *p2++) != '\0') {
533 if (--n < 0) {
534 *--p1 = '\0';
535 break;
536 }
537 }
538
539 v0 = a0; pc0 = ra;
540}
541
542void psxBios_strcmp() { // 0x17
543 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
c044e3e5 544 s32 n=0;
545 if (a0 == 0 && a1 == 0)
546 {
547 v0 = 0;
548 pc0 = ra;
549 return;
550 }
551 else if (a0 == 0 && a1 != 0)
552 {
553 v0 = -1;
554 pc0 = ra;
555 return;
556 }
557 else if (a0 != 0 && a1 == 0)
558 {
559 v0 = 1;
560 pc0 = ra;
561 return;
562 }
ef79bbde
P		 563#ifdef PSXBIOS_LOG
564 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1);
565#endif
566
567 while (*p1 == *p2++) {
c044e3e5 568 n++;
ef79bbde 569 if (*p1++ == '\0') {
c044e3e5 570 v1=n-1;
571 a0+=n;
572 a1+=n;
ef79bbde
P		 573 v0 = 0;
574 pc0 = ra;
575 return;
576 }
577 }
578
579 v0 = (*p1 - *--p2);
c044e3e5 580 v1 = n;
581 a0+=n;
582 a1+=n;
ef79bbde
P		 583 pc0 = ra;
584}
585
586void psxBios_strncmp() { // 0x18
587 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
588 s32 n = a2;
ba4ecb8c 589 if (a0 == 0 && a1 == 0)
590 {
591 v0 = 0;
592 pc0 = ra;
593 return;
594 }
595 else if (a0 == 0 && a1 != 0)
596 {
597 v0 = -1;
598 pc0 = ra;
599 return;
600 }
601 else if (a0 != 0 && a1 == 0)
602 {
603 v0 = 1;
604 pc0 = ra;
605 return;
606 }
ef79bbde
P		 607#ifdef PSXBIOS_LOG
608 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2);
609#endif
610
611 while (--n >= 0 && *p1 == *p2++) {
612 if (*p1++ == '\0') {
613 v0 = 0;
614 pc0 = ra;
ba4ecb8c 615 v1 = a2 - ((a2-n) - 1);
616 a0 += (a2-n) - 1;
617 a1 += (a2-n) - 1;
618 a2 = n;
ef79bbde
P		 619 return;
620 }
621 }
622
623 v0 = (n < 0 ? 0 : *p1 - *--p2);
624 pc0 = ra;
ba4ecb8c 625 v1 = a2 - ((a2-n) - 1);
626 a0 += (a2-n) - 1;
627 a1 += (a2-n) - 1;
628 a2 = n;
ef79bbde
P		 629}
630
631void psxBios_strcpy() { // 0x19
632 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
c3d791f1 633 if (a0 == 0 || a1 == 0)
634 {
635 v0 = 0;
636 pc0 = ra;
637 return;
638 }
ef79bbde
P		 639 while ((*p1++ = *p2++) != '\0');
640
641 v0 = a0; pc0 = ra;
642}
643
644void psxBios_strncpy() { // 0x1a
645 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
646 s32 n = a2, i;
c3d791f1 647 if (a0 == 0 || a1 == 0)
648 {
649 v0 = 0;
650 pc0 = ra;
651 return;
652 }
ef79bbde
P		 653 for (i = 0; i < n; i++) {
654 if ((*p1++ = *p2++) == '\0') {
655 while (++i < n) {
656 *p1++ = '\0';
657 }
658 v0 = a0; pc0 = ra;
659 return;
660 }
661 }
662
663 v0 = a0; pc0 = ra;
664}
665
666void psxBios_strlen() { // 0x1b
667 char *p = (char *)Ra0;
668 v0 = 0;
2c6a5df8 669 if (a0 == 0)
670 {
671 pc0 = ra;
672 return;
673 }
ef79bbde
P		 674 while (*p++) v0++;
675 pc0 = ra;
676}
677
678void psxBios_index() { // 0x1c
679 char *p = (char *)Ra0;
fcf7ec6c 680 if (a0 == 0)
681 {
682 v0 = 0;
683 pc0 = ra;
684 return;
685 }
686
ef79bbde
P		 687 do {
688 if (*p == a1) {
689 v0 = a0 + (p - (char *)Ra0);
690 pc0 = ra;
691 return;
692 }
693 } while (*p++ != '\0');
694
695 v0 = 0; pc0 = ra;
696}
697
698void psxBios_rindex() { // 0x1d
699 char *p = (char *)Ra0;
700
701 v0 = 0;
fcf7ec6c 702 if (a0 == 0)
703 {
704 pc0 = ra;
705 return;
706 }
ef79bbde
P		 707 do {
708 if (*p == a1)
709 v0 = a0 + (p - (char *)Ra0);
710 } while (*p++ != '\0');
711
712 pc0 = ra;
713}
714
715void psxBios_strchr() { // 0x1e
716 psxBios_index();
717}
718
719void psxBios_strrchr() { // 0x1f
720 psxBios_rindex();
721}
722
723void psxBios_strpbrk() { // 0x20
724 char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc;
725
726 while ((c = *p1++) != '\0') {
727 for (scanp = p2; (sc = *scanp++) != '\0';) {
728 if (sc == c) {
729 v0 = a0 + (p1 - 1 - (char *)Ra0);
730 pc0 = ra;
731 return;
732 }
733 }
734 }
735
736 // BUG: return a0 instead of NULL if not found
737 v0 = a0; pc0 = ra;
738}
739
740void psxBios_strspn() { // 0x21
741 char *p1, *p2;
742
743 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
744 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
745 if (*p2 == '\0') break;
746 }
747
748 v0 = p1 - (char *)Ra0; pc0 = ra;
749}
750
751void psxBios_strcspn() { // 0x22
752 char *p1, *p2;
753
754 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
755 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
756 if (*p2 != '\0') break;
757 }
758
759 v0 = p1 - (char *)Ra0; pc0 = ra;
760}
761
762void psxBios_strtok() { // 0x23
763 char *pcA0 = (char *)Ra0;
764 char *pcRet = strtok(pcA0, (char *)Ra1);
765 if (pcRet)
766 v0 = a0 + pcRet - pcA0;
767 else
768 v0 = 0;
769 pc0 = ra;
770}
771
772void psxBios_strstr() { // 0x24
773 char *p = (char *)Ra0, *p1, *p2;
774
775 while (*p != '\0') {
776 p1 = p;
777 p2 = (char *)Ra1;
778
779 while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) {
780 p1++; p2++;
781 }
782
783 if (*p2 == '\0') {
784 v0 = a0 + (p - (char *)Ra0);
785 pc0 = ra;
786 return;
787 }
788
789 p++;
790 }
791
792 v0 = 0; pc0 = ra;
793}
794
795void psxBios_toupper() { // 0x25
796 v0 = (s8)(a0 & 0xff);
797 if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A';
798 pc0 = ra;
799}
800
801void psxBios_tolower() { // 0x26
802 v0 = (s8)(a0 & 0xff);
803 if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A';
804 pc0 = ra;
805}
806
807void psxBios_bcopy() { // 0x27
808 char *p1 = (char *)Ra1, *p2 = (char *)Ra0;
0148ffb7 809 v0 = a0;
810 if (a0 == 0 || a2 > 0x7FFFFFFF)
811 {
812 pc0 = ra;
813 return;
814 }
5ec7acdf 815 while ((s32)a2-- > 0) *p1++ = *p2++;
0148ffb7 816 a2 = 0;
ef79bbde
P		 817 pc0 = ra;
818}
819
820void psxBios_bzero() { // 0x28
821 char *p = (char *)Ra0;
01724d23 822 v0 = a0;
823 /* Same as memset here (See memset below) */
824 if (a1 > 0x7FFFFFFF || a1 == 0)
825 {
826 v0 = 0;
827 pc0 = ra;
828 return;
829 }
830 else if (a0 == 0)
831 {
832 pc0 = ra;
833 return;
834 }
5ec7acdf 835 while ((s32)a1-- > 0) *p++ = '\0';
01724d23 836 a1 = 0;
ef79bbde
P		 837 pc0 = ra;
838}
839
840void psxBios_bcmp() { // 0x29
841 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
842
843 if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; }
844
5ec7acdf 845 while ((s32)a2-- > 0) {
ef79bbde
P		 846 if (*p1++ != *p2++) {
847 v0 = *p1 - *p2; // BUG: compare the NEXT byte
848 pc0 = ra;
849 return;
850 }
851 }
852
853 v0 = 0; pc0 = ra;
854}
855
856void psxBios_memcpy() { // 0x2a
857 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
ef1da3dc 858 s32 n=0;
859 v0 = a0;
860 if (a0 == 0 || a2 > 0x7FFFFFFF)
861 {
862 pc0 = ra;
863 return;
864 }
865 while ((s32)a2-- > 0) {
866 n++;
867 *p1++ = *p2++;
868 }
869 a2 = 0;
870 pc0 = ra;
ef79bbde
P		 871}
872
873void psxBios_memset() { // 0x2b
874 char *p = (char *)Ra0;
3f28b64f 875 v0 = a0;
876 if (a2 > 0x7FFFFFFF || a2 == 0)
877 {
878 v0 = 0;
879 pc0 = ra;
880 return;
881 }
882 if (a0 == 0)
883 {
884 pc0 = ra;
885 return;
886 }
5ec7acdf 887 while ((s32)a2-- > 0) *p++ = (char)a1;
5ec7acdf 888 a2 = 0;
ef79bbde
P		 889 v0 = a0; pc0 = ra;
890}
891
892void psxBios_memmove() { // 0x2c
893 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
112dddf5 894 v0 = a0;
895 if (a0 == 0 || a2 > 0x7FFFFFFF)
896 {
897 pc0 = ra;
898 return;
899 }
ef79bbde
P		 900 if (p2 <= p1 && p2 + a2 > p1) {
901 a2++; // BUG: copy one more byte here
902 p1 += a2;
903 p2 += a2;
5ec7acdf 904 while ((s32)a2-- > 0) *--p1 = *--p2;
ef79bbde 905 } else {
5ec7acdf 906 while ((s32)a2-- > 0) *p1++ = *p2++;
ef79bbde 907 }
112dddf5 908 pc0 = ra;
ef79bbde
P		 909}
910
911void psxBios_memcmp() { // 0x2d
912 psxBios_bcmp();
913}
914
915void psxBios_memchr() { // 0x2e
916 char *p = (char *)Ra0;
917
5ec7acdf 918 while ((s32)a2-- > 0) {
ef79bbde
P		 919 if (*p++ != (s8)a1) continue;
920 v0 = a0 + (p - (char *)Ra0 - 1);
921 pc0 = ra;
922 return;
923 }
924
925 v0 = 0; pc0 = ra;
926}
927
928void psxBios_rand() { // 0x2f
929 u32 s = psxMu32(0x9010) * 1103515245 + 12345;
930 v0 = (s >> 16) & 0x7fff;
931 psxMu32ref(0x9010) = SWAPu32(s);
932 pc0 = ra;
933}
934
935void psxBios_srand() { // 0x30
936 psxMu32ref(0x9010) = SWAPu32(a0);
937 pc0 = ra;
938}
939
940static u32 qscmpfunc, qswidth;
941
942static inline int qscmp(char *a, char *b) {
943 u32 sa0 = a0;
944
945 a0 = sa0 + (a - (char *)PSXM(sa0));
946 a1 = sa0 + (b - (char *)PSXM(sa0));
947
948 softCall2(qscmpfunc);
949
950 a0 = sa0;
951 return (s32)v0;
952}
953
954static inline void qexchange(char *i, char *j) {
955 char t;
956 int n = qswidth;
957
958 do {
959 t = *i;
960 *i++ = *j;
961 *j++ = t;
962 } while (--n);
963}
964
965static inline void q3exchange(char *i, char *j, char *k) {
966 char t;
967 int n = qswidth;
968
969 do {
970 t = *i;
971 *i++ = *k;
972 *k++ = *j;
973 *j++ = t;
974 } while (--n);
975}
976
977static void qsort_main(char *a, char *l) {
978 char *i, *j, *lp, *hp;
979 int c;
980 unsigned int n;
981
982start:
983 if ((n = l - a) <= qswidth)
984 return;
985 n = qswidth * (n / (2 * qswidth));
986 hp = lp = a + n;
987 i = a;
988 j = l - qswidth;
989 while (TRUE) {
990 if (i < lp) {
991 if ((c = qscmp(i, lp)) == 0) {
992 qexchange(i, lp -= qswidth);
993 continue;
994 }
995 if (c < 0) {
996 i += qswidth;
997 continue;
998 }
999 }
1000
1001loop:
1002 if (j > hp) {
1003 if ((c = qscmp(hp, j)) == 0) {
1004 qexchange(hp += qswidth, j);
1005 goto loop;
1006 }
1007 if (c > 0) {
1008 if (i == lp) {
1009 q3exchange(i, hp += qswidth, j);
1010 i = lp += qswidth;
1011 goto loop;
1012 }
1013 qexchange(i, j);
1014 j -= qswidth;
1015 i += qswidth;
1016 continue;
1017 }
1018 j -= qswidth;
1019 goto loop;
1020 }
1021
1022 if (i == lp) {
1023 if (lp - a >= l - hp) {
1024 qsort_main(hp + qswidth, l);
1025 l = lp;
1026 } else {
1027 qsort_main(a, lp);
1028 a = hp + qswidth;
1029 }
1030 goto start;
1031 }
1032
1033 q3exchange(j, lp -= qswidth, i);
1034 j = hp -= qswidth;
1035 }
1036}
1037
1038void psxBios_qsort() { // 0x31
1039 qswidth = a2;
1040 qscmpfunc = a3;
1041 qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
1042
1043 pc0 = ra;
1044}
1045
1046void psxBios_malloc() { // 0x33
808a13bd 1047 unsigned int *chunk, *newchunk = NULL;
1048 unsigned int dsize = 0, csize, cstat;
ef79bbde
P		 1049 int colflag;
1050#ifdef PSXBIOS_LOG
1051 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
1052#endif
26b964b5 1053 if (!a0 || (!heap_size || !heap_addr)) {
1054 v0 = 0;
1055 pc0 = ra;
1056 return;
1057 }
ef79bbde
P		 1058
1059 // scan through heap and combine free chunks of space
1060 chunk = heap_addr;
1061 colflag = 0;
1062 while(chunk < heap_end) {
1063 // get size and status of actual chunk
1064 csize = ((u32)*chunk) & 0xfffffffc;
1065 cstat = ((u32)*chunk) & 1;
1066
26b964b5 1067 // most probably broken heap descriptor
1068 // this fixes Burning Road
1069 if (*chunk == 0) {
1070 newchunk = chunk;
1071 dsize = ((uptr)heap_end - (uptr)chunk) - 4;
1072 colflag = 1;
1073 break;
1074 }
1075
ef79bbde
P		 1076 // it's a free chunk
1077 if(cstat == 1) {
1078 if(colflag == 0) {
1079 newchunk = chunk;
1080 dsize = csize;
1081 colflag = 1; // let's begin a new collection of free memory
1082 }
1083 else dsize += (csize+4); // add the new size including header
1084 }
1085 // not a free chunk: did we start a collection ?
1086 else {
1087 if(colflag == 1) { // collection is over
1088 colflag = 0;
1089 *newchunk = SWAP32(dsize | 1);
1090 }
1091 }
1092
1093 // next chunk
1094 chunk = (u32*)((uptr)chunk + csize + 4);
1095 }
1096 // if neccessary free memory on end of heap
1097 if (colflag == 1)
1098 *newchunk = SWAP32(dsize | 1);
1099
1100 chunk = heap_addr;
1101 csize = ((u32)*chunk) & 0xfffffffc;
1102 cstat = ((u32)*chunk) & 1;
1103 dsize = (a0 + 3) & 0xfffffffc;
1104
1105 // exit on uninitialized heap
1106 if (chunk == NULL) {
26b964b5 1107 printf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
ef79bbde
P		 1108 v0 = 0;
1109 pc0 = ra;
1110 return;
1111 }
1112
1113 // search an unused chunk that is big enough until the end of the heap
26b964b5 1114 while ((dsize > csize || cstat==0) && chunk < heap_end ) {
ef79bbde 1115 chunk = (u32*)((uptr)chunk + csize + 4);
26b964b5 1116
1117 // catch out of memory
1118 if(chunk >= heap_end) {
1119 printf("malloc %x,%x: Out of memory error!\n",
1120 v0, a0);
1121 v0 = 0; pc0 = ra;
1122 return;
1123 }
1124
ef79bbde
P		 1125 csize = ((u32)*chunk) & 0xfffffffc;
1126 cstat = ((u32)*chunk) & 1;
1127 }
1128
ef79bbde
P		 1129 // allocate memory
1130 if(dsize == csize) {
1131 // chunk has same size
1132 *chunk &= 0xfffffffc;
26b964b5 1133 } else if (dsize > csize) {
1134 v0 = 0; pc0 = ra;
1135 return;
1136 } else {
ef79bbde
P		 1137 // split free chunk
1138 *chunk = SWAP32(dsize);
1139 newchunk = (u32*)((uptr)chunk + dsize + 4);
808a13bd 1140 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
ef79bbde
P		 1141 }
1142
1143 // return pointer to allocated memory
26b964b5 1144 v0 = ((uptr)chunk - (uptr)psxM) + 4;
ef79bbde 1145 v0|= 0x80000000;
26b964b5 1146 //printf ("malloc %x,%x\n", v0, a0);
ef79bbde
P		 1147 pc0 = ra;
1148}
1149
1150void psxBios_free() { // 0x34
1151
1152#ifdef PSXBIOS_LOG
1153 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
1154#endif
1155
1156 SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
1157
ba4ecb8c 1158 if (a0)
1159 *(u32*)(Ra0-4) |= 1; // set chunk to free
ef79bbde
P		 1160 pc0 = ra;
1161}
1162
1163void psxBios_calloc() { // 0x37
02949f79 1164 void *pv0;
ef79bbde
P		 1165#ifdef PSXBIOS_LOG
1166 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
1167#endif
1168
1169 a0 = a0 * a1;
1170 psxBios_malloc();
02949f79 1171 pv0 = Rv0;
1172 if (pv0)
1173 memset(pv0, 0, a0);
ef79bbde
P		 1174}
1175
1176void psxBios_realloc() { // 0x38
1177 u32 block = a0;
1178 u32 size = a1;
1179#ifdef PSXBIOS_LOG
1180 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
1181#endif
1182
1183 a0 = block;
391b1d5b 1184 /* If "old_buf" is zero, executes malloc(new_size), and returns r2=new_buf (or 0=failed). */
1185 if (block == 0)
1186 {
1187 psxBios_malloc();
1188 }
1189 /* Else, if "new_size" is zero, executes free(old_buf), and returns r2=garbage. */
1190 else if (size == 0)
1191 {
1192 psxBios_free();
1193 }
1194 /* Else, executes malloc(new_size), bcopy(old_buf,new_buf,new_size), and free(old_buf), and returns r2=new_buf (or 0=failed). */
1195 /* Note that it is not quite implemented this way here. */
1196 else
1197 {
1198 psxBios_free();
1199 a0 = size;
1200 psxBios_malloc();
1201 }
ef79bbde
P		 1202}
1203
1204
1205/* InitHeap(void *block , int n) */
1206void psxBios_InitHeap() { // 0x39
1207 unsigned int size;
1208
1209#ifdef PSXBIOS_LOG
1210 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
1211#endif
1212
1213 if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
1214 else size = a1;
1215
1216 size &= 0xfffffffc;
1217
1218 heap_addr = (u32 *)Ra0;
1219 heap_end = (u32 *)((u8 *)heap_addr + size);
1220 *heap_addr = SWAP32(size | 1);
1221
c979c3ee 1222 SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
ef79bbde
P		 1223
1224 pc0 = ra;
1225}
1226
1227void psxBios_getchar() { //0x3b
1228 v0 = getchar(); pc0 = ra;
1229}
1230
1231void psxBios_printf() { // 0x3f
1232 char tmp[1024];
1233 char tmp2[1024];
1234 u32 save[4];
1235 char *ptmp = tmp;
1236 int n=1, i=0, j;
02949f79 1237 void *psp;
1238
1239 psp = PSXM(sp);
1240 if (psp) {
1241 memcpy(save, psp, 4 * 4);
1242 psxMu32ref(sp) = SWAP32((u32)a0);
1243 psxMu32ref(sp + 4) = SWAP32((u32)a1);
1244 psxMu32ref(sp + 8) = SWAP32((u32)a2);
1245 psxMu32ref(sp + 12) = SWAP32((u32)a3);
1246 }
ef79bbde
P		 1247
1248 while (Ra0[i]) {
1249 switch (Ra0[i]) {
1250 case '%':
1251 j = 0;
1252 tmp2[j++] = '%';
1253_start:
1254 switch (Ra0[++i]) {
1255 case '.':
1256 case 'l':
1257 tmp2[j++] = Ra0[i]; goto _start;
1258 default:
1259 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
1260 tmp2[j++] = Ra0[i];
1261 goto _start;
1262 }
1263 break;
1264 }
1265 tmp2[j++] = Ra0[i];
1266 tmp2[j] = 0;
1267
1268 switch (Ra0[i]) {
1269 case 'f': case 'F':
1270 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
1271 case 'a': case 'A':
1272 case 'e': case 'E':
1273 case 'g': case 'G':
1274 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
1275 case 'p':
888468ff 1276 case 'i': case 'u':
ef79bbde
P		 1277 case 'd': case 'D':
1278 case 'o': case 'O':
1279 case 'x': case 'X':
1280 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
1281 case 'c':
1282 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
1283 case 's':
1284 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1285 case '%':
1286 *ptmp++ = Ra0[i]; break;
1287 }
1288 i++;
1289 break;
1290 default:
1291 *ptmp++ = Ra0[i++];
1292 }
1293 }
1294 *ptmp = 0;
1295
02949f79 1296 if (psp)
1297 memcpy(psp, save, 4 * 4);
ef79bbde 1298
808a13bd 1299 SysPrintf("%s", tmp);
ef79bbde
P		 1300
1301 pc0 = ra;
1302}
1303
e7e1f572 1304void psxBios_format() { // 0x41
1305 if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0')
1306 {
1307 CreateMcd(Config.Mcd1);
1308 LoadMcd(1, Config.Mcd1);
1309 v0 = 1;
1310 }
1311 else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0')
1312 {
1313 CreateMcd(Config.Mcd2);
1314 LoadMcd(2, Config.Mcd2);
1315 v0 = 1;
1316 }
1317 else
1318 {
1319 v0 = 0;
1320 }
1321 pc0 = ra;
1322}
1323
ef79bbde
P		 1324/*
1325 * long Load(char *name, struct EXEC *header);
1326 */
1327
1328void psxBios_Load() { // 0x42
1329 EXE_HEADER eheader;
02949f79 1330 void *pa1;
ef79bbde
P		 1331
1332#ifdef PSXBIOS_LOG
1333 PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1334#endif
1335
02949f79 1336 pa1 = Ra1;
1337 if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) {
1338 memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC));
ef79bbde
P		 1339 v0 = 1;
1340 } else v0 = 0;
1341
1342 pc0 = ra;
1343}
1344
1345/*
1346 * int Exec(struct EXEC *header , int argc , char **argv);
1347 */
1348
1349void psxBios_Exec() { // 43
1350 EXEC *header = (EXEC*)Ra0;
1351 u32 tmp;
1352
1353#ifdef PSXBIOS_LOG
1354 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1355#endif
1356
1357 header->_sp = sp;
1358 header->_fp = fp;
1359 header->_sp = sp;
1360 header->_gp = gp;
1361 header->ret = ra;
1362 header->base = s0;
1363
1364 if (header->S_addr != 0) {
1365 tmp = header->S_addr + header->s_size;
1366 sp = tmp;
1367 fp = sp;
1368 }
1369
1370 gp = header->gp0;
1371
1372 s0 = a0;
1373
1374 a0 = a1;
1375 a1 = a2;
1376
1377 ra = 0x8000;
1378 pc0 = header->_pc0;
1379}
1380
1381void psxBios_FlushCache() { // 44
1382#ifdef PSXBIOS_LOG
1383 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1384#endif
1385
1386 pc0 = ra;
1387}
1388
1389void psxBios_GPU_dw() { // 0x46
1390 int size;
1391 s32 *ptr;
1392
1393#ifdef PSXBIOS_LOG
1394 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1395#endif
1396
1397 GPU_writeData(0xa0000000);
1398 GPU_writeData((a1<<16)|(a0&0xffff));
1399 GPU_writeData((a3<<16)|(a2&0xffff));
1400 size = (a2*a3+1)/2;
1401 ptr = (s32*)PSXM(Rsp[4]); //that is correct?
1402 do {
1403 GPU_writeData(SWAP32(*ptr));
1404 ptr++;
1405 } while(--size);
1406
1407 pc0 = ra;
1408}
1409
1410void psxBios_mem2vram() { // 0x47
1411 int size;
1412
1413 GPU_writeData(0xa0000000);
1414 GPU_writeData((a1<<16)|(a0&0xffff));
1415 GPU_writeData((a3<<16)|(a2&0xffff));
1416 size = (a2*a3+1)/2;
1417 GPU_writeStatus(0x04000002);
1418 psxHwWrite32(0x1f8010f4,0);
1419 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1420 psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1421 psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1422 psxHwWrite32(0x1f8010a8,0x01000201);
1423
1424 pc0 = ra;
1425}
1426
1427void psxBios_SendGPU() { // 0x48
1428 GPU_writeStatus(a0);
ddbaf678 1429 gpuSyncPluginSR();
ef79bbde
P		 1430 pc0 = ra;
1431}
1432
1433void psxBios_GPU_cw() { // 0x49
1434 GPU_writeData(a0);
1435 pc0 = ra;
1436}
1437
1438void psxBios_GPU_cwb() { // 0x4a
1439 s32 *ptr = (s32*)Ra0;
1440 int size = a1;
1441 while(size--) {
1442 GPU_writeData(SWAP32(*ptr));
1443 ptr++;
1444 }
1445
1446 pc0 = ra;
1447}
1448
1449void psxBios_GPU_SendPackets() { //4b:
1450 GPU_writeStatus(0x04000002);
1451 psxHwWrite32(0x1f8010f4,0);
1452 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1453 psxHwWrite32(0x1f8010a0,a0);
1454 psxHwWrite32(0x1f8010a4,0);
1455 psxHwWrite32(0x1f8010a8,0x010000401);
1456 pc0 = ra;
1457}
1458
1459void psxBios_sys_a0_4c() { // 0x4c GPU relate
1460 psxHwWrite32(0x1f8010a8,0x00000401);
1461 GPU_writeData(0x0400000);
1462 GPU_writeData(0x0200000);
1463 GPU_writeData(0x0100000);
cd1ea245 1464 v0 = 0x1f801814;
ef79bbde
P		 1465 pc0 = ra;
1466}
1467
1468void psxBios_GPU_GetGPUStatus() { // 0x4d
1469 v0 = GPU_readStatus();
1470 pc0 = ra;
1471}
1472
1473#undef s_addr
1474
1475void psxBios_LoadExec() { // 51
1476 EXEC *header = (EXEC*)PSXM(0xf000);
1477 u32 s_addr, s_size;
1478
1479#ifdef PSXBIOS_LOG
1480 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1481#endif
1482 s_addr = a1; s_size = a2;
1483
1484 a1 = 0xf000;
1485 psxBios_Load();
1486
1487 header->S_addr = s_addr;
1488 header->s_size = s_size;
1489
1490 a0 = 0xf000; a1 = 0; a2 = 0;
1491 psxBios_Exec();
1492}
1493
1494void psxBios__bu_init() { // 70
1495#ifdef PSXBIOS_LOG
1496 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1497#endif
1498
1499 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1500 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1501
1502 pc0 = ra;
1503}
1504
1505void psxBios__96_init() { // 71
1506#ifdef PSXBIOS_LOG
1507 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1508#endif
1509
1510 pc0 = ra;
1511}
1512
1513void psxBios__96_remove() { // 72
1514#ifdef PSXBIOS_LOG
1515 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1516#endif
1517
1518 pc0 = ra;
1519}
1520
1521void psxBios_SetMem() { // 9f
1522 u32 new = psxHu32(0x1060);
1523
1524#ifdef PSXBIOS_LOG
1525 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1526#endif
1527
1528 switch(a0) {
1529 case 2:
1530 psxHu32ref(0x1060) = SWAP32(new);
1531 psxMu32ref(0x060) = a0;
1532 SysPrintf("Change effective memory : %d MBytes\n",a0);
1533 break;
1534
1535 case 8:
1536 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1537 psxMu32ref(0x060) = a0;
1538 SysPrintf("Change effective memory : %d MBytes\n",a0);
1539
1540 default:
1541 SysPrintf("Effective memory must be 2/8 MBytes\n");
1542 break;
1543 }
1544
1545 pc0 = ra;
1546}
1547
1548void psxBios__card_info() { // ab
1549#ifdef PSXBIOS_LOG
1550 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1551#endif
76b81516 1552 u32 ret;
e9fda093 1553 card_active_chan = a0;
1554
76b81516 1555 switch (card_active_chan)
1556 {
1557 case 0x00: case 0x01: case 0x02: case 0x03:
1558 ret = Config.Mcd1[0] ? 0x2 : 0x8;
1559 break;
1560 case 0x10: case 0x11: case 0x12: case 0x13:
1561 ret = Config.Mcd2[0] ? 0x2 : 0x8;
1562 break;
1563 default:
1564#ifdef PSXBIOS_LOG
1565 PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan);
1566#endif
1567 ret = 0x11;
1568 break;
1569 }
1570
1571// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
ef79bbde
P		 1572// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1573 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
76b81516 1574 DeliverEvent(0x81, ret); // 0xf4000001, 0x0004
ef79bbde
P		 1575
1576 v0 = 1; pc0 = ra;
1577}
1578
1579void psxBios__card_load() { // ac
1580#ifdef PSXBIOS_LOG
1581 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1582#endif
1583
e9fda093 1584 card_active_chan = a0;
1585
ef79bbde
P		 1586// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1587 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1588
1589 v0 = 1; pc0 = ra;
1590}
1591
1592/* System calls B0 */
1593
1594void psxBios_SetRCnt() { // 02
1595#ifdef PSXBIOS_LOG
1596 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1597#endif
1598
1599 a0&= 0x3;
1600 if (a0 != 3) {
1601 u32 mode=0;
1602
1603 psxRcntWtarget(a0, a1);
1604 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1605 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1606 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1607 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1608 else { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1609
1610 psxRcntWmode(a0, mode);
1611 }
1612 pc0 = ra;
1613}
1614
1615void psxBios_GetRCnt() { // 03
1616#ifdef PSXBIOS_LOG
1617 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1618#endif
1619
1620 a0&= 0x3;
1621 if (a0 != 3) v0 = psxRcntRcount(a0);
1622 else v0 = 0;
1623 pc0 = ra;
1624}
1625
1626void psxBios_StartRCnt() { // 04
1627#ifdef PSXBIOS_LOG
1628 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1629#endif
1630
1631 a0&= 0x3;
1632 if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1633 else psxHu32ref(0x1074)|= SWAPu32(0x1);
1634 v0 = 1; pc0 = ra;
1635}
1636
1637void psxBios_StopRCnt() { // 05
1638#ifdef PSXBIOS_LOG
1639 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1640#endif
1641
1642 a0&= 0x3;
1643 if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1644 else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1645 pc0 = ra;
1646}
1647
1648void psxBios_ResetRCnt() { // 06
1649#ifdef PSXBIOS_LOG
1650 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1651#endif
1652
1653 a0&= 0x3;
1654 if (a0 != 3) {
1655 psxRcntWmode(a0, 0);
1656 psxRcntWtarget(a0, 0);
1657 psxRcntWcount(a0, 0);
1658 }
1659 pc0 = ra;
1660}
1661
1662
1663/* gets ev for use with Event */
1664#define GetEv() \
1665 ev = (a0 >> 24) & 0xf; \
1666 if (ev == 0xf) ev = 0x5; \
1667 ev*= 32; \
1668 ev+= a0&0x1f;
1669
1670/* gets spec for use with Event */
1671#define GetSpec() \
1672 spec = 0; \
1673 switch (a1) { \
1674 case 0x0301: spec = 16; break; \
1675 case 0x0302: spec = 17; break; \
1676 default: \
1677 for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1678 break; \
1679 }
1680
1681void psxBios_DeliverEvent() { // 07
1682 int ev, spec;
1683 int i;
1684
1685 GetEv();
1686 GetSpec();
1687
1688#ifdef PSXBIOS_LOG
1689 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1690#endif
1691
1692 DeliverEvent(ev, spec);
1693
1694 pc0 = ra;
1695}
1696
1697void psxBios_OpenEvent() { // 08
1698 int ev, spec;
1699 int i;
1700
1701 GetEv();
1702 GetSpec();
1703
1704#ifdef PSXBIOS_LOG
1705 PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1706#endif
1707
1708 Event[ev][spec].status = EvStWAIT;
1709 Event[ev][spec].mode = a2;
1710 Event[ev][spec].fhandler = a3;
1711
1712 v0 = ev | (spec << 8);
1713 pc0 = ra;
1714}
1715
1716void psxBios_CloseEvent() { // 09
1717 int ev, spec;
1718
1719 ev = a0 & 0xff;
1720 spec = (a0 >> 8) & 0xff;
1721
1722#ifdef PSXBIOS_LOG
1723 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1724#endif
1725
1726 Event[ev][spec].status = EvStUNUSED;
1727
1728 v0 = 1; pc0 = ra;
1729}
1730
1731void psxBios_WaitEvent() { // 0a
1732 int ev, spec;
1733
1734 ev = a0 & 0xff;
1735 spec = (a0 >> 8) & 0xff;
ef79bbde
P		 1736#ifdef PSXBIOS_LOG
1737 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1738#endif
d95c9dcb 1739 if (Event[ev][spec].status == EvStUNUSED)
1740 {
1741 v0 = 0;
1742 pc0 = ra;
1743 return;
1744 }
ef79bbde 1745
d95c9dcb 1746 if (Event[ev][spec].status == EvStALREADY)
1747 {
1748 /* Callback events (mode=EvMdINTR) do never set the ready flag (and thus WaitEvent would hang forever). */
1749 if (!(Event[ev][spec].mode == EvMdINTR)) Event[ev][spec].status = EvStACTIVE;
1750 v0 = 1;
1751 pc0 = ra;
1752 return;
1753 }
ef79bbde 1754
d95c9dcb 1755 v0 = 0;
1756 pc0 = ra;
ef79bbde
P		 1757}
1758
1759void psxBios_TestEvent() { // 0b
1760 int ev, spec;
1761
1762 ev = a0 & 0xff;
1763 spec = (a0 >> 8) & 0xff;
1764
1765 if (Event[ev][spec].status == EvStALREADY) {
1766 Event[ev][spec].status = EvStACTIVE; v0 = 1;
1767 } else v0 = 0;
1768
1769#ifdef PSXBIOS_LOG
1770 PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1771#endif
1772
1773 pc0 = ra;
1774}
1775
1776void psxBios_EnableEvent() { // 0c
1777 int ev, spec;
1778
1779 ev = a0 & 0xff;
1780 spec = (a0 >> 8) & 0xff;
1781
1782#ifdef PSXBIOS_LOG
1783 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1784#endif
1785
1786 Event[ev][spec].status = EvStACTIVE;
1787
1788 v0 = 1; pc0 = ra;
1789}
1790
1791void psxBios_DisableEvent() { // 0d
1792 int ev, spec;
1793
1794 ev = a0 & 0xff;
1795 spec = (a0 >> 8) & 0xff;
1796
1797#ifdef PSXBIOS_LOG
1798 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1799#endif
1800
1801 Event[ev][spec].status = EvStWAIT;
1802
1803 v0 = 1; pc0 = ra;
1804}
1805
1806/*
1807 * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1808 */
1809
1810void psxBios_OpenTh() { // 0e
1811 int th;
1812
1813 for (th=1; th<8; th++)
a66d3058 1814 {
ef79bbde
P		 1815 if (Thread[th].status == 0) break;
1816
a66d3058 1817 }
1818 if (th == 8) {
1819 // Feb 2019 - Added out-of-bounds fix caught by cppcheck:
1820 // When no free TCB is found, return 0xffffffff according to Nocash doc.
1821#ifdef PSXBIOS_LOG
1822 PSXBIOS_LOG("\t%s() WARNING! No Free TCBs found!\n", __func__);
1823#endif
1824 v0 = 0xffffffff;
1825 pc0 = ra;
1826 return;
1827 }
ef79bbde
P		 1828#ifdef PSXBIOS_LOG
1829 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1830#endif
1831
1832 Thread[th].status = 1;
1833 Thread[th].func = a0;
1834 Thread[th].reg[29] = a1;
1835 Thread[th].reg[28] = a2;
1836
1837 v0 = th; pc0 = ra;
1838}
1839
1840/*
1841 * int CloseTh(long thread);
1842 */
1843
1844void psxBios_CloseTh() { // 0f
1845 int th = a0 & 0xff;
1846
1847#ifdef PSXBIOS_LOG
1848 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1849#endif
1850
1851 if (Thread[th].status == 0) {
1852 v0 = 0;
1853 } else {
1854 Thread[th].status = 0;
1855 v0 = 1;
1856 }
1857
1858 pc0 = ra;
1859}
1860
1861/*
1862 * int ChangeTh(long thread);
1863 */
1864
1865void psxBios_ChangeTh() { // 10
1866 int th = a0 & 0xff;
1867
1868#ifdef PSXBIOS_LOG
1869// PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1870#endif
1871
1872 if (Thread[th].status == 0 || CurThread == th) {
1873 v0 = 0;
1874
1875 pc0 = ra;
1876 } else {
1877 v0 = 1;
1878
1879 if (Thread[CurThread].status == 2) {
1880 Thread[CurThread].status = 1;
1881 Thread[CurThread].func = ra;
1882 memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1883 }
1884
1885 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1886 pc0 = Thread[th].func;
1887 Thread[th].status = 2;
1888 CurThread = th;
1889 }
1890}
1891
1892void psxBios_InitPAD() { // 0x12
1893#ifdef PSXBIOS_LOG
1894 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1895#endif
1896
1897 pad_buf1 = (char*)Ra0;
1898 pad_buf1len = a1;
1899 pad_buf2 = (char*)Ra2;
1900 pad_buf2len = a3;
1901
1902 v0 = 1; pc0 = ra;
1903}
1904
1905void psxBios_StartPAD() { // 13
1906#ifdef PSXBIOS_LOG
1907 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1908#endif
1909
1910 psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1911 psxRegs.CP0.n.Status |= 0x401;
1912 pc0 = ra;
1913}
1914
1915void psxBios_StopPAD() { // 14
1916#ifdef PSXBIOS_LOG
1917 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1918#endif
8a0245bb 1919 if (pad_buf == 0){
ef79bbde
P		 1920 pad_buf1 = NULL;
1921 pad_buf2 = NULL;
8a0245bb 1922 }
ef79bbde
P		 1923 pc0 = ra;
1924}
1925
1926void psxBios_PAD_init() { // 15
1927#ifdef PSXBIOS_LOG
1928 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1929#endif
a824e83d 1930 if (!(a0 == 0x20000000 || a0 == 0x20000001))
1931 {
1932 v0 = 0;
1933 pc0 = ra;
1934 return;
1935 }
ef79bbde
P		 1936 psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1937 pad_buf = (int *)Ra1;
1938 *pad_buf = -1;
1939 psxRegs.CP0.n.Status |= 0x401;
a824e83d 1940 v0 = 2;
ef79bbde
P		 1941 pc0 = ra;
1942}
1943
1944void psxBios_PAD_dr() { // 16
1945#ifdef PSXBIOS_LOG
1946 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1947#endif
1948
1949 v0 = -1; pc0 = ra;
1950}
1951
1952void psxBios_ReturnFromException() { // 17
1953 LoadRegs();
1954
1955 pc0 = psxRegs.CP0.n.EPC;
1956 if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1957
1958 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1959 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1960}
1961
1962void psxBios_ResetEntryInt() { // 18
1963#ifdef PSXBIOS_LOG
1964 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1965#endif
1966
1967 jmp_int = NULL;
1968 pc0 = ra;
1969}
1970
1971void psxBios_HookEntryInt() { // 19
1972#ifdef PSXBIOS_LOG
1973 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
1974#endif
1975
1976 jmp_int = (u32*)Ra0;
1977 pc0 = ra;
1978}
1979
1980void psxBios_UnDeliverEvent() { // 0x20
1981 int ev, spec;
1982 int i;
1983
1984 GetEv();
1985 GetSpec();
1986
1987#ifdef PSXBIOS_LOG
1988 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
1989#endif
1990
1991 if (Event[ev][spec].status == EvStALREADY &&
1992 Event[ev][spec].mode == EvMdNOINTR)
1993 Event[ev][spec].status = EvStACTIVE;
1994
1995 pc0 = ra;
1996}
1997
595a136b 1998char ffile[64], *pfile;
1999int nfile;
2000static void buopen(int mcd, u8 *ptr, u8 *cfg)
2001{
2002 int i;
2003 u8 *fptr = ptr;
2004
2005 strcpy(FDesc[1 + mcd].name, Ra0+5);
2006 FDesc[1 + mcd].offset = 0;
2007 FDesc[1 + mcd].mode = a1;
2008
2009 for (i=1; i<16; i++) {
2010 fptr += 128;
2011 if ((*fptr & 0xF0) != 0x50) continue;
2012 if (strcmp(FDesc[1 + mcd].name, fptr+0xa)) continue;
2013 FDesc[1 + mcd].mcfile = i;
2014 SysPrintf("open %s\n", fptr+0xa);
2015 v0 = 1 + mcd;
2016 break;
2017 }
2018 if (a1 & 0x200 && v0 == -1) { /* FCREAT */
2019 fptr = ptr;
2020 for (i=1; i<16; i++) {
2021 int j, xor, nblk = a1 >> 16;
2022 u8 *pptr, *fptr2;
2023
2024 fptr += 128;
2025 if ((*fptr & 0xF0) != 0xa0) continue;
2026
2027 FDesc[1 + mcd].mcfile = i;
2028 fptr[0] = 0x51;
2029 fptr[4] = 0x00;
2030 fptr[5] = 0x20 * nblk;
2031 fptr[6] = 0x00;
2032 fptr[7] = 0x00;
2033 strcpy(fptr+0xa, FDesc[1 + mcd].name);
2034 pptr = fptr2 = fptr;
2035 for(j=2; j<=nblk; j++) {
2036 int k;
2037 for(i++; i<16; i++) {
2038 fptr2 += 128;
2039
2040 memset(fptr2, 0, 128);
2041 fptr2[0] = j < nblk ? 0x52 : 0x53;
2042 pptr[8] = i - 1;
2043 pptr[9] = 0;
2044 for (k=0, xor=0; k<127; k++) xor^= pptr[k];
2045 pptr[127] = xor;
2046 pptr = fptr2;
2047 break;
2048 }
2049 /* shouldn't this return ENOSPC if i == 16? */
2050 }
2051 pptr[8] = pptr[9] = 0xff;
2052 for (j=0, xor=0; j<127; j++) xor^= pptr[j];
2053 pptr[127] = xor;
2054 SysPrintf("openC %s %d\n", ptr, nblk);
2055 v0 = 1 + mcd;
2056 /* just go ahead and resave them all */
2057 SaveMcd(cfg, ptr, 128, 128 * 15);
2058 break;
2059 }
2060 /* shouldn't this return ENOSPC if i == 16? */
2061 }
ef79bbde
P		 2062}
2063
2064/*
2065 * int open(char *name , int mode);
2066 */
2067
2068void psxBios_open() { // 0x32
2069 int i;
2070 char *ptr;
02949f79 2071 void *pa0 = Ra0;
ef79bbde
P		 2072
2073#ifdef PSXBIOS_LOG
2074 PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
2075#endif
2076
2077 v0 = -1;
2078
02949f79 2079 if (pa0) {
2080 if (!strncmp(pa0, "bu00", 4)) {
595a136b 2081 buopen(1, Mcd1Data, Config.Mcd1);
02949f79 2082 }
ef79bbde 2083
02949f79 2084 if (!strncmp(pa0, "bu10", 4)) {
595a136b 2085 buopen(2, Mcd2Data, Config.Mcd2);
02949f79 2086 }
ef79bbde
P		 2087 }
2088
2089 pc0 = ra;
2090}
2091
2092/*
2093 * int lseek(int fd , int offset , int whence);
2094 */
2095
2096void psxBios_lseek() { // 0x33
2097#ifdef PSXBIOS_LOG
2098 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
2099#endif
2100
2101 switch (a2) {
2102 case 0: // SEEK_SET
2103 FDesc[a0].offset = a1;
2104 v0 = a1;
2105// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2106// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2107 break;
2108
2109 case 1: // SEEK_CUR
2110 FDesc[a0].offset+= a1;
2111 v0 = FDesc[a0].offset;
2112 break;
2113 }
2114
2115 pc0 = ra;
2116}
2117
595a136b 2118
ef79bbde
P		 2119/*
2120 * int read(int fd , void *buf , int nbytes);
2121 */
2122
2123void psxBios_read() { // 0x34
2124 char *ptr;
02949f79 2125 void *pa1 = Ra1;
ef79bbde
P		 2126
2127#ifdef PSXBIOS_LOG
2128 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
2129#endif
2130
2131 v0 = -1;
2132
02949f79 2133 if (pa1) {
2134 switch (a0) {
595a136b 2135 case 2: buread(pa1, 1, a2); break;
2136 case 3: buread(pa1, 2, a2); break;
02949f79 2137 }
ef79bbde
P		 2138 }
2139
2140 pc0 = ra;
2141}
2142
ef79bbde
P		 2143/*
2144 * int write(int fd , void *buf , int nbytes);
2145 */
2146
2147void psxBios_write() { // 0x35/0x03
2148 char *ptr;
02949f79 2149 void *pa1 = Ra1;
2150
2151#ifdef PSXBIOS_LOG
2152 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
2153#endif
2154
2155 v0 = -1;
2156 if (!pa1) {
2157 pc0 = ra;
2158 return;
2159 }
ef79bbde
P		 2160
2161 if (a0 == 1) { // stdout
02949f79 2162 char *ptr = pa1;
ef79bbde 2163
02949f79 2164 v0 = a2;
ef79bbde
P		 2165 while (a2 > 0) {
2166 SysPrintf("%c", *ptr++); a2--;
2167 }
2168 pc0 = ra; return;
2169 }
ef79bbde
P		 2170
2171 switch (a0) {
595a136b 2172 case 2: buwrite(pa1, 1, a2); break;
2173 case 3: buwrite(pa1, 2, a2); break;
ef79bbde
P		 2174 }
2175
2176 pc0 = ra;
2177}
2178
2179/*
2180 * int close(int fd);
2181 */
2182
2183void psxBios_close() { // 0x36
2184#ifdef PSXBIOS_LOG
2185 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
2186#endif
2187
2188 v0 = a0;
2189 pc0 = ra;
2190}
2191
2192void psxBios_putchar() { // 3d
2193 SysPrintf("%c", (char)a0);
2194 pc0 = ra;
2195}
2196
2197void psxBios_puts() { // 3e/3f
808a13bd 2198 SysPrintf("%s", Ra0);
ef79bbde
P		 2199 pc0 = ra;
2200}
2201
2202char ffile[64], *pfile;
2203int nfile;
2204
2205#define bufile(mcd) { \
2206 while (nfile < 16) { \
2207 int match=1; \
2208 \
595a136b 2209 ptr = Mcd##mcd##Data + 128 * (nfile + 1); \
ef79bbde
P		 2210 nfile++; \
2211 if ((*ptr & 0xF0) != 0x50) continue; \
595a136b 2212 /* Bug link files show up as free block. */ \
2213 if (!ptr[0xa]) continue; \
ef79bbde
P		 2214 ptr+= 0xa; \
2215 if (pfile[0] == 0) { \
507d7c1d 2216 strncpy(dir->name, ptr, sizeof(dir->name)); \
2217 dir->name[sizeof(dir->name) - 1] = '\0'; \
ef79bbde
P		 2218 } else for (i=0; i<20; i++) { \
2219 if (pfile[i] == ptr[i]) { \
595a136b 2220 dir->name[i] = ptr[i]; continue; } \
ef79bbde
P		 2221 if (pfile[i] == '?') { \
2222 dir->name[i] = ptr[i]; continue; } \
2223 if (pfile[i] == '*') { \
2224 strcpy(dir->name+i, ptr+i); break; } \
2225 match = 0; break; \
2226 } \
2227 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
595a136b 2228 if (match == 0) { continue; } \
ef79bbde
P		 2229 dir->size = 8192; \
2230 v0 = _dir; \
2231 break; \
2232 } \
2233}
2234
2235/*
2236 * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
2237 */
2238
2239void psxBios_firstfile() { // 42
2240 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
02949f79 2241 void *pa0 = Ra0;
ef79bbde
P		 2242 u32 _dir = a1;
2243 char *ptr;
2244 int i;
2245
2246#ifdef PSXBIOS_LOG
2247 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
2248#endif
2249
2250 v0 = 0;
2251
02949f79 2252 if (pa0) {
2253 strcpy(ffile, pa0);
2254 pfile = ffile+5;
2255 nfile = 1;
2256 if (!strncmp(pa0, "bu00", 4)) {
857fabea 2257 // firstfile() calls _card_read() internally, so deliver it's event
2258 DeliverEvent(0x11, 0x2);
02949f79 2259 bufile(1);
2260 } else if (!strncmp(pa0, "bu10", 4)) {
857fabea 2261 // firstfile() calls _card_read() internally, so deliver it's event
2262 DeliverEvent(0x11, 0x2);
02949f79 2263 bufile(2);
2264 }
ef79bbde
P		 2265 }
2266
2267 pc0 = ra;
2268}
2269
2270/*
2271 * struct DIRENTRY* nextfile(struct DIRENTRY *dir);
2272 */
2273
2274void psxBios_nextfile() { // 43
2275 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
2276 u32 _dir = a0;
2277 char *ptr;
2278 int i;
2279
2280#ifdef PSXBIOS_LOG
2281 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
2282#endif
2283
2284 v0 = 0;
2285
2286 if (!strncmp(ffile, "bu00", 4)) {
2287 bufile(1);
2288 }
2289
2290 if (!strncmp(ffile, "bu10", 4)) {
2291 bufile(2);
2292 }
2293
2294 pc0 = ra;
2295}
2296
2297#define burename(mcd) { \
2298 for (i=1; i<16; i++) { \
2299 int namelen, j, xor = 0; \
2300 ptr = Mcd##mcd##Data + 128 * i; \
2301 if ((*ptr & 0xF0) != 0x50) continue; \
2302 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2303 namelen = strlen(Ra1+5); \
2304 memcpy(ptr+0xa, Ra1+5, namelen); \
2305 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
2306 for (j=0; j<127; j++) xor^= ptr[j]; \
2307 ptr[127] = xor; \
2308 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
2309 v0 = 1; \
2310 break; \
2311 } \
2312}
2313
2314/*
2315 * int rename(char *old, char *new);
2316 */
2317
2318void psxBios_rename() { // 44
02949f79 2319 void *pa0 = Ra0;
2320 void *pa1 = Ra1;
ef79bbde
P		 2321 char *ptr;
2322 int i;
2323
2324#ifdef PSXBIOS_LOG
2325 PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
2326#endif
2327
2328 v0 = 0;
2329
02949f79 2330 if (pa0 && pa1) {
2331 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
2332 burename(1);
2333 }
ef79bbde 2334
02949f79 2335 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
2336 burename(2);
2337 }
ef79bbde
P		 2338 }
2339
2340 pc0 = ra;
2341}
2342
2343
2344#define budelete(mcd) { \
2345 for (i=1; i<16; i++) { \
2346 ptr = Mcd##mcd##Data + 128 * i; \
2347 if ((*ptr & 0xF0) != 0x50) continue; \
2348 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2349 *ptr = (*ptr & 0xf) | 0xA0; \
2350 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
2351 SysPrintf("delete %s\n", ptr+0xa); \
2352 v0 = 1; \
2353 break; \
2354 } \
2355}
2356
2357/*
2358 * int delete(char *name);
2359 */
2360
2361void psxBios_delete() { // 45
02949f79 2362 void *pa0 = Ra0;
ef79bbde
P		 2363 char *ptr;
2364 int i;
2365
2366#ifdef PSXBIOS_LOG
2367 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2368#endif
2369
2370 v0 = 0;
2371
02949f79 2372 if (pa0) {
2373 if (!strncmp(pa0, "bu00", 4)) {
2374 budelete(1);
2375 }
ef79bbde 2376
02949f79 2377 if (!strncmp(pa0, "bu10", 4)) {
2378 budelete(2);
2379 }
ef79bbde
P		 2380 }
2381
2382 pc0 = ra;
2383}
2384
2385void psxBios_InitCARD() { // 4a
2386#ifdef PSXBIOS_LOG
2387 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2388#endif
2389
2390 CardState = 0;
2391
2392 pc0 = ra;
2393}
2394
2395void psxBios_StartCARD() { // 4b
2396#ifdef PSXBIOS_LOG
2397 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2398#endif
2399
2400 if (CardState == 0) CardState = 1;
2401
2402 pc0 = ra;
2403}
2404
2405void psxBios_StopCARD() { // 4c
2406#ifdef PSXBIOS_LOG
2407 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2408#endif
2409
2410 if (CardState == 1) CardState = 0;
2411
2412 pc0 = ra;
2413}
2414
2415void psxBios__card_write() { // 0x4e
02949f79 2416 void *pa2 = Ra2;
ef79bbde
P		 2417 int port;
2418
2419#ifdef PSXBIOS_LOG
2420 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2421#endif
bd48ba5e 2422 /* Function also accepts sector 400h (a bug) */
2423 if (!(a1 <= 0x400))
2424 {
2425 /* Invalid sectors */
2426 v0 = 0; pc0 = ra;
2427 return;
2428 }
e9fda093 2429 card_active_chan = a0;
ef79bbde
P		 2430 port = a0 >> 4;
2431
02949f79 2432 if (pa2) {
2433 if (port == 0) {
2434 memcpy(Mcd1Data + a1 * 128, pa2, 128);
2435 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2436 } else {
2437 memcpy(Mcd2Data + a1 * 128, pa2, 128);
2438 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2439 }
ef79bbde
P		 2440 }
2441
2442 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2443// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2444
2445 v0 = 1; pc0 = ra;
2446}
2447
2448void psxBios__card_read() { // 0x4f
02949f79 2449 void *pa2 = Ra2;
ef79bbde
P		 2450 int port;
2451
2452#ifdef PSXBIOS_LOG
2453 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2454#endif
bd48ba5e 2455 /* Function also accepts sector 400h (a bug) */
2456 if (!(a1 <= 0x400))
2457 {
2458 /* Invalid sectors */
2459 v0 = 0; pc0 = ra;
2460 return;
2461 }
e9fda093 2462 card_active_chan = a0;
ef79bbde
P		 2463 port = a0 >> 4;
2464
02949f79 2465 if (pa2) {
2466 if (port == 0) {
2467 memcpy(pa2, Mcd1Data + a1 * 128, 128);
2468 } else {
2469 memcpy(pa2, Mcd2Data + a1 * 128, 128);
2470 }
ef79bbde
P		 2471 }
2472
2473 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2474// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2475
2476 v0 = 1; pc0 = ra;
2477}
2478
2479void psxBios__new_card() { // 0x50
2480#ifdef PSXBIOS_LOG
2481 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2482#endif
2483
2484 pc0 = ra;
2485}
2486
002b2f7d 2487/* According to a user, this allows Final Fantasy Tactics to save/load properly */
2488void psxBios__get_error(void) // 55
2489{
2490 v0 = 0;
2491 pc0 = ra;
2492}
2493
ef79bbde
P		 2494void psxBios_Krom2RawAdd() { // 0x51
2495 int i = 0;
2496
2497 const u32 table_8140[][2] = {
2498 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2499 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2500 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2501 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2502 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2503 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2504 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2505 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2506 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2507 {0xffff, 0}
2508 };
2509
2510 const u32 table_889f[][2] = {
2511 {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4},
2512 {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304},
2513 {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14},
2514 {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24},
2515 {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734},
2516 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2517 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2518 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2519 {0xffff, 0}
2520 };
2521
2522 if (a0 >= 0x8140 && a0 <= 0x84be) {
2523 while (table_8140[i][0] <= a0) i++;
2524 a0 -= table_8140[i - 1][0];
2525 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2526 } else if (a0 >= 0x889f && a0 <= 0x9872) {
2527 while (table_889f[i][0] <= a0) i++;
2528 a0 -= table_889f[i - 1][0];
2529 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2530 } else {
2531 v0 = 0xffffffff;
2532 }
2533
2534 pc0 = ra;
2535}
2536
2537void psxBios_GetC0Table() { // 56
2538#ifdef PSXBIOS_LOG
2539 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2540#endif
2541
2542 v0 = 0x674; pc0 = ra;
2543}
2544
2545void psxBios_GetB0Table() { // 57
2546#ifdef PSXBIOS_LOG
2547 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2548#endif
2549
2550 v0 = 0x874; pc0 = ra;
2551}
2552
e9fda093 2553void psxBios__card_chan() { // 0x58
2554#ifdef PSXBIOS_LOG
2555 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2556#endif
2557
2558 v0 = card_active_chan;
2559 pc0 = ra;
2560}
2561
ef79bbde
P		 2562void psxBios_ChangeClearPad() { // 5b
2563#ifdef PSXBIOS_LOG
2564 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2565#endif
2566
2567 pc0 = ra;
2568}
2569
2570/* System calls C0 */
2571
2572/*
2573 * int SysEnqIntRP(int index , long *queue);
2574 */
2575
2576void psxBios_SysEnqIntRP() { // 02
2577#ifdef PSXBIOS_LOG
2578 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2579#endif
2580
2581 SysIntRP[a0] = a1;
2582
2583 v0 = 0; pc0 = ra;
2584}
2585
2586/*
2587 * int SysDeqIntRP(int index , long *queue);
2588 */
2589
2590void psxBios_SysDeqIntRP() { // 03
2591#ifdef PSXBIOS_LOG
2592 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2593#endif
2594
2595 SysIntRP[a0] = 0;
2596
2597 v0 = 0; pc0 = ra;
2598}
2599
2600void psxBios_ChangeClearRCnt() { // 0a
2601 u32 *ptr;
2602
2603#ifdef PSXBIOS_LOG
2604 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2605#endif
2606
2607 ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2608 v0 = *ptr;
2609 *ptr = a1;
2610
2611// psxRegs.CP0.n.Status|= 0x404;
2612 pc0 = ra;
2613}
2614
2615void psxBios_dummy() {
2616#ifdef PSXBIOS_LOG
2617 PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2618#endif
2619 pc0 = ra;
2620}
2621
2622void (*biosA0[256])();
2623void (*biosB0[256])();
2624void (*biosC0[256])();
2625
2626#include "sjisfont.h"
2627
2628void psxBiosInit() {
2629 u32 base, size;
2630 u32 *ptr;
2631 int i;
2632 uLongf len;
2633
2634 for(i = 0; i < 256; i++) {
2635 biosA0[i] = NULL;
2636 biosB0[i] = NULL;
2637 biosC0[i] = NULL;
2638 }
2639 biosA0[0x3e] = psxBios_puts;
2640 biosA0[0x3f] = psxBios_printf;
2641
2642 biosB0[0x3d] = psxBios_putchar;
2643 biosB0[0x3f] = psxBios_puts;
2644
2645 if (!Config.HLE) return;
2646
2647 for(i = 0; i < 256; i++) {
2648 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2649 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2650 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2651 }
2652
2653 biosA0[0x00] = psxBios_open;
2654 biosA0[0x01] = psxBios_lseek;
2655 biosA0[0x02] = psxBios_read;
2656 biosA0[0x03] = psxBios_write;
2657 biosA0[0x04] = psxBios_close;
2658 //biosA0[0x05] = psxBios_ioctl;
2659 //biosA0[0x06] = psxBios_exit;
2660 //biosA0[0x07] = psxBios_sys_a0_07;
324cec89 2661 biosA0[0x08] = psxBios_getc;
2662 biosA0[0x09] = psxBios_putc;
ba11675c 2663 biosA0[0x0a] = psxBios_todigit;
ef79bbde
P		 2664 //biosA0[0x0b] = psxBios_atof;
2665 //biosA0[0x0c] = psxBios_strtoul;
2666 //biosA0[0x0d] = psxBios_strtol;
2667 biosA0[0x0e] = psxBios_abs;
2668 biosA0[0x0f] = psxBios_labs;
2669 biosA0[0x10] = psxBios_atoi;
2670 biosA0[0x11] = psxBios_atol;
2671 //biosA0[0x12] = psxBios_atob;
2672 biosA0[0x13] = psxBios_setjmp;
2673 biosA0[0x14] = psxBios_longjmp;
2674 biosA0[0x15] = psxBios_strcat;
2675 biosA0[0x16] = psxBios_strncat;
2676 biosA0[0x17] = psxBios_strcmp;
2677 biosA0[0x18] = psxBios_strncmp;
2678 biosA0[0x19] = psxBios_strcpy;
2679 biosA0[0x1a] = psxBios_strncpy;
2680 biosA0[0x1b] = psxBios_strlen;
2681 biosA0[0x1c] = psxBios_index;
2682 biosA0[0x1d] = psxBios_rindex;
2683 biosA0[0x1e] = psxBios_strchr;
2684 biosA0[0x1f] = psxBios_strrchr;
2685 biosA0[0x20] = psxBios_strpbrk;
2686 biosA0[0x21] = psxBios_strspn;
2687 biosA0[0x22] = psxBios_strcspn;
2688 biosA0[0x23] = psxBios_strtok;
2689 biosA0[0x24] = psxBios_strstr;
2690 biosA0[0x25] = psxBios_toupper;
2691 biosA0[0x26] = psxBios_tolower;
2692 biosA0[0x27] = psxBios_bcopy;
2693 biosA0[0x28] = psxBios_bzero;
2694 biosA0[0x29] = psxBios_bcmp;
2695 biosA0[0x2a] = psxBios_memcpy;
2696 biosA0[0x2b] = psxBios_memset;
2697 biosA0[0x2c] = psxBios_memmove;
2698 biosA0[0x2d] = psxBios_memcmp;
2699 biosA0[0x2e] = psxBios_memchr;
2700 biosA0[0x2f] = psxBios_rand;
2701 biosA0[0x30] = psxBios_srand;
2702 biosA0[0x31] = psxBios_qsort;
2703 //biosA0[0x32] = psxBios_strtod;
2704 biosA0[0x33] = psxBios_malloc;
2705 biosA0[0x34] = psxBios_free;
2706 //biosA0[0x35] = psxBios_lsearch;
2707 //biosA0[0x36] = psxBios_bsearch;
2708 biosA0[0x37] = psxBios_calloc;
2709 biosA0[0x38] = psxBios_realloc;
2710 biosA0[0x39] = psxBios_InitHeap;
2711 //biosA0[0x3a] = psxBios__exit;
2712 biosA0[0x3b] = psxBios_getchar;
2713 biosA0[0x3c] = psxBios_putchar;
2714 //biosA0[0x3d] = psxBios_gets;
2715 //biosA0[0x40] = psxBios_sys_a0_40;
2716 //biosA0[0x41] = psxBios_LoadTest;
2717 biosA0[0x42] = psxBios_Load;
2718 biosA0[0x43] = psxBios_Exec;
2719 biosA0[0x44] = psxBios_FlushCache;
2720 //biosA0[0x45] = psxBios_InstallInterruptHandler;
2721 biosA0[0x46] = psxBios_GPU_dw;
2722 biosA0[0x47] = psxBios_mem2vram;
2723 biosA0[0x48] = psxBios_SendGPU;
2724 biosA0[0x49] = psxBios_GPU_cw;
2725 biosA0[0x4a] = psxBios_GPU_cwb;
2726 biosA0[0x4b] = psxBios_GPU_SendPackets;
2727 biosA0[0x4c] = psxBios_sys_a0_4c;
2728 biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2729 //biosA0[0x4e] = psxBios_GPU_sync;
2730 //biosA0[0x4f] = psxBios_sys_a0_4f;
2731 //biosA0[0x50] = psxBios_sys_a0_50;
2732 biosA0[0x51] = psxBios_LoadExec;
2733 //biosA0[0x52] = psxBios_GetSysSp;
2734 //biosA0[0x53] = psxBios_sys_a0_53;
2735 //biosA0[0x54] = psxBios__96_init_a54;
2736 //biosA0[0x55] = psxBios__bu_init_a55;
2737 //biosA0[0x56] = psxBios__96_remove_a56;
2738 //biosA0[0x57] = psxBios_sys_a0_57;
2739 //biosA0[0x58] = psxBios_sys_a0_58;
2740 //biosA0[0x59] = psxBios_sys_a0_59;
2741 //biosA0[0x5a] = psxBios_sys_a0_5a;
2742 //biosA0[0x5b] = psxBios_dev_tty_init;
2743 //biosA0[0x5c] = psxBios_dev_tty_open;
2744 //biosA0[0x5d] = psxBios_sys_a0_5d;
2745 //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2746 //biosA0[0x5f] = psxBios_dev_cd_open;
2747 //biosA0[0x60] = psxBios_dev_cd_read;
2748 //biosA0[0x61] = psxBios_dev_cd_close;
2749 //biosA0[0x62] = psxBios_dev_cd_firstfile;
2750 //biosA0[0x63] = psxBios_dev_cd_nextfile;
2751 //biosA0[0x64] = psxBios_dev_cd_chdir;
2752 //biosA0[0x65] = psxBios_dev_card_open;
2753 //biosA0[0x66] = psxBios_dev_card_read;
2754 //biosA0[0x67] = psxBios_dev_card_write;
2755 //biosA0[0x68] = psxBios_dev_card_close;
2756 //biosA0[0x69] = psxBios_dev_card_firstfile;
2757 //biosA0[0x6a] = psxBios_dev_card_nextfile;
2758 //biosA0[0x6b] = psxBios_dev_card_erase;
2759 //biosA0[0x6c] = psxBios_dev_card_undelete;
2760 //biosA0[0x6d] = psxBios_dev_card_format;
2761 //biosA0[0x6e] = psxBios_dev_card_rename;
2762 //biosA0[0x6f] = psxBios_dev_card_6f;
2763 biosA0[0x70] = psxBios__bu_init;
2764 biosA0[0x71] = psxBios__96_init;
2765 biosA0[0x72] = psxBios__96_remove;
2766 //biosA0[0x73] = psxBios_sys_a0_73;
2767 //biosA0[0x74] = psxBios_sys_a0_74;
2768 //biosA0[0x75] = psxBios_sys_a0_75;
2769 //biosA0[0x76] = psxBios_sys_a0_76;
2770 //biosA0[0x77] = psxBios_sys_a0_77;
2771 //biosA0[0x78] = psxBios__96_CdSeekL;
2772 //biosA0[0x79] = psxBios_sys_a0_79;
2773 //biosA0[0x7a] = psxBios_sys_a0_7a;
2774 //biosA0[0x7b] = psxBios_sys_a0_7b;
2775 //biosA0[0x7c] = psxBios__96_CdGetStatus;
2776 //biosA0[0x7d] = psxBios_sys_a0_7d;
2777 //biosA0[0x7e] = psxBios__96_CdRead;
2778 //biosA0[0x7f] = psxBios_sys_a0_7f;
2779 //biosA0[0x80] = psxBios_sys_a0_80;
2780 //biosA0[0x81] = psxBios_sys_a0_81;
2781 //biosA0[0x82] = psxBios_sys_a0_82;
2782 //biosA0[0x83] = psxBios_sys_a0_83;
2783 //biosA0[0x84] = psxBios_sys_a0_84;
2784 //biosA0[0x85] = psxBios__96_CdStop;
2785 //biosA0[0x86] = psxBios_sys_a0_86;
2786 //biosA0[0x87] = psxBios_sys_a0_87;
2787 //biosA0[0x88] = psxBios_sys_a0_88;
2788 //biosA0[0x89] = psxBios_sys_a0_89;
2789 //biosA0[0x8a] = psxBios_sys_a0_8a;
2790 //biosA0[0x8b] = psxBios_sys_a0_8b;
2791 //biosA0[0x8c] = psxBios_sys_a0_8c;
2792 //biosA0[0x8d] = psxBios_sys_a0_8d;
2793 //biosA0[0x8e] = psxBios_sys_a0_8e;
2794 //biosA0[0x8f] = psxBios_sys_a0_8f;
2795 //biosA0[0x90] = psxBios_sys_a0_90;
2796 //biosA0[0x91] = psxBios_sys_a0_91;
2797 //biosA0[0x92] = psxBios_sys_a0_92;
2798 //biosA0[0x93] = psxBios_sys_a0_93;
2799 //biosA0[0x94] = psxBios_sys_a0_94;
2800 //biosA0[0x95] = psxBios_sys_a0_95;
2801 //biosA0[0x96] = psxBios_AddCDROMDevice;
2802 //biosA0[0x97] = psxBios_AddMemCardDevide;
2803 //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2804 //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2805 //biosA0[0x9a] = psxBios_sys_a0_9a;
2806 //biosA0[0x9b] = psxBios_sys_a0_9b;
2807 //biosA0[0x9c] = psxBios_SetConf;
2808 //biosA0[0x9d] = psxBios_GetConf;
2809 //biosA0[0x9e] = psxBios_sys_a0_9e;
2810 biosA0[0x9f] = psxBios_SetMem;
2811 //biosA0[0xa0] = psxBios__boot;
2812 //biosA0[0xa1] = psxBios_SystemError;
2813 //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2814 //biosA0[0xa3] = psxBios_DequeueCdIntr;
2815 //biosA0[0xa4] = psxBios_sys_a0_a4;
2816 //biosA0[0xa5] = psxBios_ReadSector;
2817 //biosA0[0xa6] = psxBios_get_cd_status;
2818 //biosA0[0xa7] = psxBios_bufs_cb_0;
2819 //biosA0[0xa8] = psxBios_bufs_cb_1;
2820 //biosA0[0xa9] = psxBios_bufs_cb_2;
2821 //biosA0[0xaa] = psxBios_bufs_cb_3;
2822 biosA0[0xab] = psxBios__card_info;
2823 biosA0[0xac] = psxBios__card_load;
2824 //biosA0[0axd] = psxBios__card_auto;
2825 //biosA0[0xae] = psxBios_bufs_cd_4;
2826 //biosA0[0xaf] = psxBios_sys_a0_af;
2827 //biosA0[0xb0] = psxBios_sys_a0_b0;
2828 //biosA0[0xb1] = psxBios_sys_a0_b1;
2829 //biosA0[0xb2] = psxBios_do_a_long_jmp
2830 //biosA0[0xb3] = psxBios_sys_a0_b3;
2831 //biosA0[0xb4] = psxBios_sub_function;
2832//*******************B0 CALLS****************************
2833 //biosB0[0x00] = psxBios_SysMalloc;
2834 //biosB0[0x01] = psxBios_sys_b0_01;
2835 biosB0[0x02] = psxBios_SetRCnt;
2836 biosB0[0x03] = psxBios_GetRCnt;
2837 biosB0[0x04] = psxBios_StartRCnt;
2838 biosB0[0x05] = psxBios_StopRCnt;
2839 biosB0[0x06] = psxBios_ResetRCnt;
2840 biosB0[0x07] = psxBios_DeliverEvent;
2841 biosB0[0x08] = psxBios_OpenEvent;
2842 biosB0[0x09] = psxBios_CloseEvent;
2843 biosB0[0x0a] = psxBios_WaitEvent;
2844 biosB0[0x0b] = psxBios_TestEvent;
2845 biosB0[0x0c] = psxBios_EnableEvent;
2846 biosB0[0x0d] = psxBios_DisableEvent;
2847 biosB0[0x0e] = psxBios_OpenTh;
2848 biosB0[0x0f] = psxBios_CloseTh;
2849 biosB0[0x10] = psxBios_ChangeTh;
2850 //biosB0[0x11] = psxBios_psxBios_b0_11;
2851 biosB0[0x12] = psxBios_InitPAD;
2852 biosB0[0x13] = psxBios_StartPAD;
2853 biosB0[0x14] = psxBios_StopPAD;
2854 biosB0[0x15] = psxBios_PAD_init;
2855 biosB0[0x16] = psxBios_PAD_dr;
2856 biosB0[0x17] = psxBios_ReturnFromException;
2857 biosB0[0x18] = psxBios_ResetEntryInt;
2858 biosB0[0x19] = psxBios_HookEntryInt;
2859 //biosB0[0x1a] = psxBios_sys_b0_1a;
2860 //biosB0[0x1b] = psxBios_sys_b0_1b;
2861 //biosB0[0x1c] = psxBios_sys_b0_1c;
2862 //biosB0[0x1d] = psxBios_sys_b0_1d;
2863 //biosB0[0x1e] = psxBios_sys_b0_1e;
2864 //biosB0[0x1f] = psxBios_sys_b0_1f;
2865 biosB0[0x20] = psxBios_UnDeliverEvent;
2866 //biosB0[0x21] = psxBios_sys_b0_21;
2867 //biosB0[0x22] = psxBios_sys_b0_22;
2868 //biosB0[0x23] = psxBios_sys_b0_23;
2869 //biosB0[0x24] = psxBios_sys_b0_24;
2870 //biosB0[0x25] = psxBios_sys_b0_25;
2871 //biosB0[0x26] = psxBios_sys_b0_26;
2872 //biosB0[0x27] = psxBios_sys_b0_27;
2873 //biosB0[0x28] = psxBios_sys_b0_28;
2874 //biosB0[0x29] = psxBios_sys_b0_29;
2875 //biosB0[0x2a] = psxBios_sys_b0_2a;
2876 //biosB0[0x2b] = psxBios_sys_b0_2b;
2877 //biosB0[0x2c] = psxBios_sys_b0_2c;
2878 //biosB0[0x2d] = psxBios_sys_b0_2d;
2879 //biosB0[0x2e] = psxBios_sys_b0_2e;
2880 //biosB0[0x2f] = psxBios_sys_b0_2f;
2881 //biosB0[0x30] = psxBios_sys_b0_30;
2882 //biosB0[0x31] = psxBios_sys_b0_31;
2883 biosB0[0x32] = psxBios_open;
2884 biosB0[0x33] = psxBios_lseek;
2885 biosB0[0x34] = psxBios_read;
2886 biosB0[0x35] = psxBios_write;
2887 biosB0[0x36] = psxBios_close;
2888 //biosB0[0x37] = psxBios_ioctl;
2889 //biosB0[0x38] = psxBios_exit;
2890 //biosB0[0x39] = psxBios_sys_b0_39;
2891 //biosB0[0x3a] = psxBios_getc;
2892 //biosB0[0x3b] = psxBios_putc;
2893 biosB0[0x3c] = psxBios_getchar;
2894 //biosB0[0x3e] = psxBios_gets;
2895 //biosB0[0x40] = psxBios_cd;
e7e1f572 2896 biosB0[0x41] = psxBios_format;
ef79bbde
P		 2897 biosB0[0x42] = psxBios_firstfile;
2898 biosB0[0x43] = psxBios_nextfile;
2899 biosB0[0x44] = psxBios_rename;
2900 biosB0[0x45] = psxBios_delete;
2901 //biosB0[0x46] = psxBios_undelete;
2902 //biosB0[0x47] = psxBios_AddDevice;
2903 //biosB0[0x48] = psxBios_RemoteDevice;
2904 //biosB0[0x49] = psxBios_PrintInstalledDevices;
2905 biosB0[0x4a] = psxBios_InitCARD;
2906 biosB0[0x4b] = psxBios_StartCARD;
2907 biosB0[0x4c] = psxBios_StopCARD;
2908 //biosB0[0x4d] = psxBios_sys_b0_4d;
2909 biosB0[0x4e] = psxBios__card_write;
2910 biosB0[0x4f] = psxBios__card_read;
2911 biosB0[0x50] = psxBios__new_card;
2912 biosB0[0x51] = psxBios_Krom2RawAdd;
2913 //biosB0[0x52] = psxBios_sys_b0_52;
2914 //biosB0[0x53] = psxBios_sys_b0_53;
2915 //biosB0[0x54] = psxBios__get_errno;
002b2f7d 2916 biosB0[0x55] = psxBios__get_error;
ef79bbde
P		 2917 biosB0[0x56] = psxBios_GetC0Table;
2918 biosB0[0x57] = psxBios_GetB0Table;
e9fda093 2919 biosB0[0x58] = psxBios__card_chan;
ef79bbde
P		 2920 //biosB0[0x59] = psxBios_sys_b0_59;
2921 //biosB0[0x5a] = psxBios_sys_b0_5a;
2922 biosB0[0x5b] = psxBios_ChangeClearPad;
2923 //biosB0[0x5c] = psxBios__card_status;
2924 //biosB0[0x5d] = psxBios__card_wait;
2925//*******************C0 CALLS****************************
2926 //biosC0[0x00] = psxBios_InitRCnt;
2927 //biosC0[0x01] = psxBios_InitException;
2928 biosC0[0x02] = psxBios_SysEnqIntRP;
2929 biosC0[0x03] = psxBios_SysDeqIntRP;
2930 //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2931 //biosC0[0x05] = psxBios_get_free_TCB_slot;
2932 //biosC0[0x06] = psxBios_ExceptionHandler;
2933 //biosC0[0x07] = psxBios_InstallExeptionHandler;
2934 //biosC0[0x08] = psxBios_SysInitMemory;
2935 //biosC0[0x09] = psxBios_SysInitKMem;
2936 biosC0[0x0a] = psxBios_ChangeClearRCnt;
2937 //biosC0[0x0b] = psxBios_SystemError;
2938 //biosC0[0x0c] = psxBios_InitDefInt;
2939 //biosC0[0x0d] = psxBios_sys_c0_0d;
2940 //biosC0[0x0e] = psxBios_sys_c0_0e;
2941 //biosC0[0x0f] = psxBios_sys_c0_0f;
2942 //biosC0[0x10] = psxBios_sys_c0_10;
2943 //biosC0[0x11] = psxBios_sys_c0_11;
2944 //biosC0[0x12] = psxBios_InstallDevices;
2945 //biosC0[0x13] = psxBios_FlushStfInOutPut;
2946 //biosC0[0x14] = psxBios_sys_c0_14;
2947 //biosC0[0x15] = psxBios__cdevinput;
2948 //biosC0[0x16] = psxBios__cdevscan;
2949 //biosC0[0x17] = psxBios__circgetc;
2950 //biosC0[0x18] = psxBios__circputc;
2951 //biosC0[0x19] = psxBios_ioabort;
2952 //biosC0[0x1a] = psxBios_sys_c0_1a
2953 //biosC0[0x1b] = psxBios_KernelRedirect;
2954 //biosC0[0x1c] = psxBios_PatchAOTable;
2955//************** THE END ***************************************
2956/**/
2957 base = 0x1000;
2958 size = sizeof(EvCB) * 32;
2959 Event = (void *)&psxR[base]; base += size * 6;
2960 memset(Event, 0, size * 6);
2961 HwEV = Event;
2962 EvEV = Event + 32;
2963 RcEV = Event + 32 * 2;
2964 UeEV = Event + 32 * 3;
2965 SwEV = Event + 32 * 4;
2966 ThEV = Event + 32 * 5;
2967
2968 ptr = (u32 *)&psxM[0x0874]; // b0 table
2969 ptr[0] = SWAPu32(0x4c54 - 0x884);
2970
2971 ptr = (u32 *)&psxM[0x0674]; // c0 table
2972 ptr[6] = SWAPu32(0xc80);
2973
2974 memset(SysIntRP, 0, sizeof(SysIntRP));
2975 memset(Thread, 0, sizeof(Thread));
2976 Thread[0].status = 2; // main thread
2977
c62b43c9 2978 jmp_int = NULL;
2979 pad_buf = NULL;
2980 pad_buf1 = NULL;
2981 pad_buf2 = NULL;
2982 pad_buf1len = pad_buf2len = 0;
2983 heap_addr = NULL;
2984 heap_end = NULL;
26b964b5 2985 heap_size = 0;
c62b43c9 2986 CardState = -1;
2987 CurThread = 0;
2988 memset(FDesc, 0, sizeof(FDesc));
2989
ef79bbde
P		 2990 psxMu32ref(0x0150) = SWAPu32(0x160);
2991 psxMu32ref(0x0154) = SWAPu32(0x320);
2992 psxMu32ref(0x0160) = SWAPu32(0x248);
2993 strcpy((char *)&psxM[0x248], "bu");
2994/* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
2995 psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
2996 psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
2997 psxMu32ref(0x09e0) = SWAPu32(0x43d0);
2998 psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
2999*/
3000 // opcode HLE
3001 psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
3002 psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
3003 psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
3004 psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
3005 psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
3006 psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
3007 psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
3008 psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
3009 psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
3010 psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
3011
3012 // initial stack pointer for BIOS interrupt
3013 psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
3014
3015 // initial RNG seed
3016 psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
3017
3018 // fonts
3019 len = 0x80000 - 0x66000;
3020 uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
3021 len = 0x80000 - 0x69d68;
3022 uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
3023
3024 // memory size 2 MB
3025 psxHu32ref(0x1060) = SWAPu32(0x00000b88);
3026
3027 hleSoftCall = FALSE;
3028}
3029
3030void psxBiosShutdown() {
3031}
3032
3033#define psxBios_PADpoll(pad) { \
3034 PAD##pad##_startPoll(pad); \
3035 pad_buf##pad[0] = 0; \
3036 pad_buf##pad[1] = PAD##pad##_poll(0x42); \
3037 if (!(pad_buf##pad[1] & 0x0f)) { \
3038 bufcount = 32; \
3039 } else { \
3040 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
3041 } \
3042 PAD##pad##_poll(0); \
3043 i = 2; \
3044 while (bufcount--) { \
3045 pad_buf##pad[i++] = PAD##pad##_poll(0); \
3046 } \
3047}
3048
3049void biosInterrupt() {
3050 int i, bufcount;
3051
3052// if (psxHu32(0x1070) & 0x1) { // Vsync
3053 if (pad_buf != NULL) {
3054 u32 *buf = (u32*)pad_buf;
3055
3056 if (!Config.UseNet) {
3057 PAD1_startPoll(1);
3058 if (PAD1_poll(0x42) == 0x23) {
3059 PAD1_poll(0);
3060 *buf = PAD1_poll(0) << 8;
3061 *buf |= PAD1_poll(0);
3062 PAD1_poll(0);
3063 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
3064 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
3065 } else {
3066 PAD1_poll(0);
3067 *buf = PAD1_poll(0) << 8;
3068 *buf|= PAD1_poll(0);
3069 }
3070
3071 PAD2_startPoll(2);
3072 if (PAD2_poll(0x42) == 0x23) {
3073 PAD2_poll(0);
3074 *buf |= PAD2_poll(0) << 24;
3075 *buf |= PAD2_poll(0) << 16;
3076 PAD2_poll(0);
3077 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
3078 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
3079 } else {
3080 PAD2_poll(0);
3081 *buf |= PAD2_poll(0) << 24;
3082 *buf |= PAD2_poll(0) << 16;
3083 }
3084 } else {
3085 u16 data;
3086
3087 PAD1_startPoll(1);
3088 PAD1_poll(0x42);
3089 PAD1_poll(0);
3090 data = PAD1_poll(0) << 8;
3091 data |= PAD1_poll(0);
3092
3093 if (NET_sendPadData(&data, 2) == -1)
3094 netError();
3095
3096 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
3097 netError();
3098 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
3099 netError();
3100 }
3101 }
3102 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
3103 psxBios_PADpoll(1);
3104
3105 if (NET_sendPadData(pad_buf1, i) == -1)
3106 netError();
3107
3108 if (NET_recvPadData(pad_buf1, 1) == -1)
3109 netError();
3110 if (NET_recvPadData(pad_buf2, 2) == -1)
3111 netError();
3112 } else {
3113 if (pad_buf1) {
3114 psxBios_PADpoll(1);
3115 }
3116
3117 if (pad_buf2) {
3118 psxBios_PADpoll(2);
3119 }
3120 }
3121
3122 if (psxHu32(0x1070) & 0x1) { // Vsync
3123 if (RcEV[3][1].status == EvStACTIVE) {
3124 softCall(RcEV[3][1].fhandler);
3125// hwWrite32(0x1f801070, ~(1));
3126 }
3127 }
3128
3129 if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
3130 int i;
3131
3132 for (i = 0; i < 3; i++) {
3133 if (psxHu32(0x1070) & (1 << (i + 4))) {
3134 if (RcEV[i][1].status == EvStACTIVE) {
3135 softCall(RcEV[i][1].fhandler);
3136 }
3137 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
3138 }
3139 }
3140 }
3141}
3142
3143void psxBiosException() {
3144 int i;
3145
3146 switch (psxRegs.CP0.n.Cause & 0x3c) {
3147 case 0x00: // Interrupt
3148#ifdef PSXCPU_LOG
3149// PSXCPU_LOG("interrupt\n");
3150#endif
3151 SaveRegs();
3152
3153 sp = psxMu32(0x6c80); // create new stack for interrupt handlers
3154
3155 biosInterrupt();
3156
3157 for (i = 0; i < 8; i++) {
3158 if (SysIntRP[i]) {
3159 u32 *queue = (u32 *)PSXM(SysIntRP[i]);
3160
3161 s0 = queue[2];
3162 softCall(queue[1]);
3163 }
3164 }
3165
3166 if (jmp_int != NULL) {
3167 int i;
3168
3169 psxHwWrite32(0x1f801070, 0xffffffff);
3170
3171 ra = jmp_int[0];
3172 sp = jmp_int[1];
3173 fp = jmp_int[2];
3174 for (i = 0; i < 8; i++) // s0-s7
3175 psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
3176 gp = jmp_int[11];
3177
3178 v0 = 1;
3179 pc0 = ra;
3180 return;
3181 }
3182 psxHwWrite16(0x1f801070, 0);
3183 break;
3184
3185 case 0x20: // Syscall
3186#ifdef PSXCPU_LOG
3187 PSXCPU_LOG("syscall exp %x\n", a0);
3188#endif
3189 switch (a0) {
3190 case 1: // EnterCritical - disable irq's
79dad1b3 3191 /* Fixes Medievil 2 not loading up new game, Digimon World not booting up and possibly others */
3192 v0 = (psxRegs.CP0.n.Status & 0x404) == 0x404;
3193 psxRegs.CP0.n.Status &= ~0x404;
ef79bbde
P		 3194 break;
3195
3196 case 2: // ExitCritical - enable irq's
3197 psxRegs.CP0.n.Status |= 0x404;
3198 break;
a946d159 3199 /* Normally this should cover SYS(00h, SYS(04h but they don't do anything relevant so... */
3200 default:
3201 break;
ef79bbde
P		 3202 }
3203 pc0 = psxRegs.CP0.n.EPC + 4;
3204
3205 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3206 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3207 return;
3208
3209 default:
3210#ifdef PSXCPU_LOG
3211 PSXCPU_LOG("unknown bios exception!\n");
3212#endif
3213 break;
3214 }
3215
3216 pc0 = psxRegs.CP0.n.EPC;
3217 if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
3218
3219 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3220 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3221}
3222
3223#define bfreeze(ptr, size) { \
3224 if (Mode == 1) memcpy(&psxR[base], ptr, size); \
3225 if (Mode == 0) memcpy(ptr, &psxR[base], size); \
3226 base += size; \
3227}
3228
3229#define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
3230#define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
3231
3232#define bfreezepsxMptr(ptr, type) { \
3233 if (Mode == 1) { \
3234 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
3235 else psxRu32ref(base) = 0; \
3236 } else { \
3237 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
3238 else (ptr) = NULL; \
3239 } \
3240 base += sizeof(u32); \
3241}
3242
3243void psxBiosFreeze(int Mode) {
3244 u32 base = 0x40000;
3245
3246 bfreezepsxMptr(jmp_int, u32);
3247 bfreezepsxMptr(pad_buf, int);
3248 bfreezepsxMptr(pad_buf1, char);
3249 bfreezepsxMptr(pad_buf2, char);
3250 bfreezepsxMptr(heap_addr, u32);
3251 bfreezel(&pad_buf1len);
3252 bfreezel(&pad_buf2len);
3253 bfreezes(regs);
3254 bfreezes(SysIntRP);
3255 bfreezel(&CardState);
3256 bfreezes(Thread);
3257 bfreezel(&CurThread);
3258 bfreezes(FDesc);
e9fda093 3259 bfreezel(&card_active_chan);
ef79bbde 3260}
ARM optimized PCSX fork