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psxbios: Better EnterCiritcal implementation
[pcsx_rearmed.git] / libpcsxcore / psxbios.c
CommitLineData
ef79bbde
P		 1/***************************************************************************
2 * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team *
3 * *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation; either version 2 of the License, or *
7 * (at your option) any later version. *
8 * *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
13 * *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. *
18 ***************************************************************************/
19
20/*
21 * Internal simulated HLE BIOS.
22 */
23
24// TODO: implement all system calls, count the exact CPU cycles of system calls.
25
26#include "psxbios.h"
27#include "psxhw.h"
ddbaf678 28#include "gpu.h"
496d88d4 29#include <zlib.h>
ef79bbde 30
452b85f9 31#undef SysPrintf
32#define SysPrintf if (Config.PsxOut) printf
33
ef79bbde
P		 34char *biosA0n[256] = {
35// 0x00
36 "open", "lseek", "read", "write",
37 "close", "ioctl", "exit", "sys_a0_07",
38 "getc", "putc", "todigit", "atof",
39 "strtoul", "strtol", "abs", "labs",
40// 0x10
41 "atoi", "atol", "atob", "setjmp",
42 "longjmp", "strcat", "strncat", "strcmp",
43 "strncmp", "strcpy", "strncpy", "strlen",
44 "index", "rindex", "strchr", "strrchr",
45// 0x20
46 "strpbrk", "strspn", "strcspn", "strtok",
47 "strstr", "toupper", "tolower", "bcopy",
48 "bzero", "bcmp", "memcpy", "memset",
49 "memmove", "memcmp", "memchr", "rand",
50// 0x30
51 "srand", "qsort", "strtod", "malloc",
52 "free", "lsearch", "bsearch", "calloc",
53 "realloc", "InitHeap", "_exit", "getchar",
54 "putchar", "gets", "puts", "printf",
55// 0x40
56 "sys_a0_40", "LoadTest", "Load", "Exec",
57 "FlushCache", "InstallInterruptHandler", "GPU_dw", "mem2vram",
58 "SendGPUStatus", "GPU_cw", "GPU_cwb", "SendPackets",
59 "sys_a0_4c", "GetGPUStatus", "GPU_sync", "sys_a0_4f",
60// 0x50
61 "sys_a0_50", "LoadExec", "GetSysSp", "sys_a0_53",
62 "_96_init()", "_bu_init()", "_96_remove()", "sys_a0_57",
63 "sys_a0_58", "sys_a0_59", "sys_a0_5a", "dev_tty_init",
64 "dev_tty_open", "sys_a0_5d", "dev_tty_ioctl","dev_cd_open",
65// 0x60
66 "dev_cd_read", "dev_cd_close", "dev_cd_firstfile", "dev_cd_nextfile",
67 "dev_cd_chdir", "dev_card_open", "dev_card_read", "dev_card_write",
68 "dev_card_close", "dev_card_firstfile", "dev_card_nextfile","dev_card_erase",
69 "dev_card_undelete","dev_card_format", "dev_card_rename", "dev_card_6f",
70// 0x70
71 "_bu_init", "_96_init", "_96_remove", "sys_a0_73",
72 "sys_a0_74", "sys_a0_75", "sys_a0_76", "sys_a0_77",
73 "_96_CdSeekL", "sys_a0_79", "sys_a0_7a", "sys_a0_7b",
74 "_96_CdGetStatus", "sys_a0_7d", "_96_CdRead", "sys_a0_7f",
75// 0x80
76 "sys_a0_80", "sys_a0_81", "sys_a0_82", "sys_a0_83",
77 "sys_a0_84", "_96_CdStop", "sys_a0_86", "sys_a0_87",
78 "sys_a0_88", "sys_a0_89", "sys_a0_8a", "sys_a0_8b",
79 "sys_a0_8c", "sys_a0_8d", "sys_a0_8e", "sys_a0_8f",
80// 0x90
81 "sys_a0_90", "sys_a0_91", "sys_a0_92", "sys_a0_93",
82 "sys_a0_94", "sys_a0_95", "AddCDROMDevice", "AddMemCardDevide",
83 "DisableKernelIORedirection", "EnableKernelIORedirection", "sys_a0_9a", "sys_a0_9b",
84 "SetConf", "GetConf", "sys_a0_9e", "SetMem",
85// 0xa0
86 "_boot", "SystemError", "EnqueueCdIntr", "DequeueCdIntr",
87 "sys_a0_a4", "ReadSector", "get_cd_status", "bufs_cb_0",
88 "bufs_cb_1", "bufs_cb_2", "bufs_cb_3", "_card_info",
89 "_card_load", "_card_auto", "bufs_cd_4", "sys_a0_af",
90// 0xb0
91 "sys_a0_b0", "sys_a0_b1", "do_a_long_jmp", "sys_a0_b3",
92 "?? sub_function",
93};
94
95char *biosB0n[256] = {
96// 0x00
97 "SysMalloc", "sys_b0_01", "sys_b0_02", "sys_b0_03",
98 "sys_b0_04", "sys_b0_05", "sys_b0_06", "DeliverEvent",
99 "OpenEvent", "CloseEvent", "WaitEvent", "TestEvent",
100 "EnableEvent", "DisableEvent", "OpenTh", "CloseTh",
101// 0x10
102 "ChangeTh", "sys_b0_11", "InitPAD", "StartPAD",
103 "StopPAD", "PAD_init", "PAD_dr", "ReturnFromExecption",
104 "ResetEntryInt", "HookEntryInt", "sys_b0_1a", "sys_b0_1b",
105 "sys_b0_1c", "sys_b0_1d", "sys_b0_1e", "sys_b0_1f",
106// 0x20
107 "UnDeliverEvent", "sys_b0_21", "sys_b0_22", "sys_b0_23",
108 "sys_b0_24", "sys_b0_25", "sys_b0_26", "sys_b0_27",
109 "sys_b0_28", "sys_b0_29", "sys_b0_2a", "sys_b0_2b",
110 "sys_b0_2c", "sys_b0_2d", "sys_b0_2e", "sys_b0_2f",
111// 0x30
112 "sys_b0_30", "sys_b0_31", "open", "lseek",
113 "read", "write", "close", "ioctl",
114 "exit", "sys_b0_39", "getc", "putc",
115 "getchar", "putchar", "gets", "puts",
116// 0x40
117 "cd", "format", "firstfile", "nextfile",
118 "rename", "delete", "undelete", "AddDevice",
119 "RemoteDevice", "PrintInstalledDevices", "InitCARD", "StartCARD",
120 "StopCARD", "sys_b0_4d", "_card_write", "_card_read",
121// 0x50
122 "_new_card", "Krom2RawAdd", "sys_b0_52", "sys_b0_53",
123 "_get_errno", "_get_error", "GetC0Table", "GetB0Table",
124 "_card_chan", "sys_b0_59", "sys_b0_5a", "ChangeClearPAD",
125 "_card_status", "_card_wait",
126};
127
128char *biosC0n[256] = {
129// 0x00
130 "InitRCnt", "InitException", "SysEnqIntRP", "SysDeqIntRP",
131 "get_free_EvCB_slot", "get_free_TCB_slot", "ExceptionHandler", "InstallExeptionHandler",
132 "SysInitMemory", "SysInitKMem", "ChangeClearRCnt", "SystemError",
133 "InitDefInt", "sys_c0_0d", "sys_c0_0e", "sys_c0_0f",
134// 0x10
135 "sys_c0_10", "sys_c0_11", "InstallDevices", "FlushStfInOutPut",
136 "sys_c0_14", "_cdevinput", "_cdevscan", "_circgetc",
137 "_circputc", "ioabort", "sys_c0_1a", "KernelRedirect",
138 "PatchAOTable",
139};
140
141//#define r0 (psxRegs.GPR.n.r0)
142#define at (psxRegs.GPR.n.at)
143#define v0 (psxRegs.GPR.n.v0)
144#define v1 (psxRegs.GPR.n.v1)
145#define a0 (psxRegs.GPR.n.a0)
146#define a1 (psxRegs.GPR.n.a1)
147#define a2 (psxRegs.GPR.n.a2)
148#define a3 (psxRegs.GPR.n.a3)
149#define t0 (psxRegs.GPR.n.t0)
150#define t1 (psxRegs.GPR.n.t1)
151#define t2 (psxRegs.GPR.n.t2)
152#define t3 (psxRegs.GPR.n.t3)
153#define t4 (psxRegs.GPR.n.t4)
154#define t5 (psxRegs.GPR.n.t5)
155#define t6 (psxRegs.GPR.n.t6)
156#define t7 (psxRegs.GPR.n.t7)
157#define t8 (psxRegs.GPR.n.t8)
158#define t9 (psxRegs.GPR.n.t9)
159#define s0 (psxRegs.GPR.n.s0)
160#define s1 (psxRegs.GPR.n.s1)
161#define s2 (psxRegs.GPR.n.s2)
162#define s3 (psxRegs.GPR.n.s3)
163#define s4 (psxRegs.GPR.n.s4)
164#define s5 (psxRegs.GPR.n.s5)
165#define s6 (psxRegs.GPR.n.s6)
166#define s7 (psxRegs.GPR.n.s7)
167#define k0 (psxRegs.GPR.n.k0)
168#define k1 (psxRegs.GPR.n.k1)
169#define gp (psxRegs.GPR.n.gp)
170#define sp (psxRegs.GPR.n.sp)
171#define fp (psxRegs.GPR.n.s8)
172#define ra (psxRegs.GPR.n.ra)
173#define pc0 (psxRegs.pc)
174
175#define Ra0 ((char *)PSXM(a0))
176#define Ra1 ((char *)PSXM(a1))
177#define Ra2 ((char *)PSXM(a2))
178#define Ra3 ((char *)PSXM(a3))
179#define Rv0 ((char *)PSXM(v0))
180#define Rsp ((char *)PSXM(sp))
181
182typedef struct {
183 u32 desc;
184 s32 status;
185 s32 mode;
186 u32 fhandler;
187} EvCB[32];
188
189#define EvStUNUSED 0x0000
190#define EvStWAIT 0x1000
191#define EvStACTIVE 0x2000
192#define EvStALREADY 0x4000
193
194#define EvMdINTR 0x1000
195#define EvMdNOINTR 0x2000
196
197/*
198typedef struct {
199 s32 next;
200 s32 func1;
201 s32 func2;
202 s32 pad;
203} SysRPst;
204*/
205
206typedef struct {
207 s32 status;
208 s32 mode;
209 u32 reg[32];
210 u32 func;
211} TCB;
212
213typedef struct {
214 u32 _pc0;
215 u32 gp0;
216 u32 t_addr;
217 u32 t_size;
218 u32 d_addr;
219 u32 d_size;
220 u32 b_addr;
221 u32 b_size;
222 u32 S_addr;
223 u32 s_size;
224 u32 _sp, _fp, _gp, ret, base;
225} EXEC;
226
227struct DIRENTRY {
228 char name[20];
229 s32 attr;
230 s32 size;
231 u32 next;
232 s32 head;
233 char system[4];
234};
235
236typedef struct {
237 char name[32];
238 u32 mode;
239 u32 offset;
240 u32 size;
241 u32 mcfile;
242} FileDesc;
243
244static u32 *jmp_int = NULL;
245static int *pad_buf = NULL;
246static char *pad_buf1 = NULL, *pad_buf2 = NULL;
247static int pad_buf1len, pad_buf2len;
248
249static u32 regs[35];
250static EvCB *Event;
251static EvCB *HwEV; // 0xf0
252static EvCB *EvEV; // 0xf1
253static EvCB *RcEV; // 0xf2
254static EvCB *UeEV; // 0xf3
255static EvCB *SwEV; // 0xf4
256static EvCB *ThEV; // 0xff
257static u32 *heap_addr = NULL;
258static u32 *heap_end = NULL;
259static u32 SysIntRP[8];
260static int CardState = -1;
261static TCB Thread[8];
262static int CurThread = 0;
263static FileDesc FDesc[32];
e9fda093 264static u32 card_active_chan;
ef79bbde
P		 265
266boolean hleSoftCall = FALSE;
267
268static inline void softCall(u32 pc) {
269 pc0 = pc;
270 ra = 0x80001000;
271
272 hleSoftCall = TRUE;
273
274 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
275
276 hleSoftCall = FALSE;
277}
278
279static inline void softCall2(u32 pc) {
280 u32 sra = ra;
281 pc0 = pc;
282 ra = 0x80001000;
283
284 hleSoftCall = TRUE;
285
286 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
287 ra = sra;
288
289 hleSoftCall = FALSE;
290}
291
292static inline void DeliverEvent(u32 ev, u32 spec) {
293 if (Event[ev][spec].status != EvStACTIVE) return;
294
295// Event[ev][spec].status = EvStALREADY;
296 if (Event[ev][spec].mode == EvMdINTR) {
297 softCall2(Event[ev][spec].fhandler);
298 } else Event[ev][spec].status = EvStALREADY;
299}
300
301static inline void SaveRegs() {
302 memcpy(regs, psxRegs.GPR.r, 32*4);
303 regs[32] = psxRegs.GPR.n.lo;
304 regs[33] = psxRegs.GPR.n.hi;
305 regs[34] = psxRegs.pc;
306}
307
308static inline void LoadRegs() {
309 memcpy(psxRegs.GPR.r, regs, 32*4);
310 psxRegs.GPR.n.lo = regs[32];
311 psxRegs.GPR.n.hi = regs[33];
312}
313
314/* *
315// *
316// *
317// System calls A0 */
318
319
320void psxBios_abs() { // 0x0e
321 if ((s32)a0 < 0) v0 = -(s32)a0;
322 else v0 = a0;
323 pc0 = ra;
324}
325
326void psxBios_labs() { // 0x0f
327 psxBios_abs();
328}
329
330void psxBios_atoi() { // 0x10
331 s32 n = 0, f = 0;
332 char *p = (char *)Ra0;
333
334 for (;;p++) {
335 switch (*p) {
336 case ' ': case '\t': continue;
337 case '-': f++;
338 case '+': p++;
339 }
340 break;
341 }
342
343 while (*p >= '0' && *p <= '9') {
344 n = n * 10 + *p++ - '0';
345 }
346
347 v0 = (f ? -n : n);
348 pc0 = ra;
349}
350
351void psxBios_atol() { // 0x11
352 psxBios_atoi();
353}
354
355void psxBios_setjmp() { // 0x13
356 u32 *jmp_buf = (u32 *)Ra0;
357 int i;
358
359#ifdef PSXBIOS_LOG
360 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]);
361#endif
362
363 jmp_buf[0] = ra;
364 jmp_buf[1] = sp;
365 jmp_buf[2] = fp;
366 for (i = 0; i < 8; i++) // s0-s7
367 jmp_buf[3 + i] = psxRegs.GPR.r[16 + i];
368 jmp_buf[11] = gp;
369
370 v0 = 0; pc0 = ra;
371}
372
373void psxBios_longjmp() { // 0x14
374 u32 *jmp_buf = (u32 *)Ra0;
375 int i;
376
377#ifdef PSXBIOS_LOG
378 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]);
379#endif
380
381 ra = jmp_buf[0]; /* ra */
382 sp = jmp_buf[1]; /* sp */
383 fp = jmp_buf[2]; /* fp */
384 for (i = 0; i < 8; i++) // s0-s7
385 psxRegs.GPR.r[16 + i] = jmp_buf[3 + i];
386 gp = jmp_buf[11]; /* gp */
387
388 v0 = a1; pc0 = ra;
389}
390
391void psxBios_strcat() { // 0x15
392 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
393
394#ifdef PSXBIOS_LOG
395 PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1);
396#endif
bee52312 397 if (a0 == 0 || a1 == 0)
398 {
399 v0 = 0;
400 pc0 = ra;
401 return;
402 }
ef79bbde
P		 403 while (*p1++);
404 --p1;
405 while ((*p1++ = *p2++) != '\0');
406
407 v0 = a0; pc0 = ra;
408}
409
410void psxBios_strncat() { // 0x16
411 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
412 s32 n = a2;
413
414#ifdef PSXBIOS_LOG
415 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2);
416#endif
417
418 while (*p1++);
419 --p1;
420 while ((*p1++ = *p2++) != '\0') {
421 if (--n < 0) {
422 *--p1 = '\0';
423 break;
424 }
425 }
426
427 v0 = a0; pc0 = ra;
428}
429
430void psxBios_strcmp() { // 0x17
431 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
432
433#ifdef PSXBIOS_LOG
434 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1);
435#endif
436
437 while (*p1 == *p2++) {
438 if (*p1++ == '\0') {
439 v0 = 0;
440 pc0 = ra;
441 return;
442 }
443 }
444
445 v0 = (*p1 - *--p2);
446 pc0 = ra;
447}
448
449void psxBios_strncmp() { // 0x18
450 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
451 s32 n = a2;
452
453#ifdef PSXBIOS_LOG
454 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2);
455#endif
456
457 while (--n >= 0 && *p1 == *p2++) {
458 if (*p1++ == '\0') {
459 v0 = 0;
460 pc0 = ra;
461 return;
462 }
463 }
464
465 v0 = (n < 0 ? 0 : *p1 - *--p2);
466 pc0 = ra;
467}
468
469void psxBios_strcpy() { // 0x19
470 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
471 while ((*p1++ = *p2++) != '\0');
472
473 v0 = a0; pc0 = ra;
474}
475
476void psxBios_strncpy() { // 0x1a
477 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
478 s32 n = a2, i;
479
480 for (i = 0; i < n; i++) {
481 if ((*p1++ = *p2++) == '\0') {
482 while (++i < n) {
483 *p1++ = '\0';
484 }
485 v0 = a0; pc0 = ra;
486 return;
487 }
488 }
489
490 v0 = a0; pc0 = ra;
491}
492
493void psxBios_strlen() { // 0x1b
494 char *p = (char *)Ra0;
495 v0 = 0;
496 while (*p++) v0++;
497 pc0 = ra;
498}
499
500void psxBios_index() { // 0x1c
501 char *p = (char *)Ra0;
502
503 do {
504 if (*p == a1) {
505 v0 = a0 + (p - (char *)Ra0);
506 pc0 = ra;
507 return;
508 }
509 } while (*p++ != '\0');
510
511 v0 = 0; pc0 = ra;
512}
513
514void psxBios_rindex() { // 0x1d
515 char *p = (char *)Ra0;
516
517 v0 = 0;
518
519 do {
520 if (*p == a1)
521 v0 = a0 + (p - (char *)Ra0);
522 } while (*p++ != '\0');
523
524 pc0 = ra;
525}
526
527void psxBios_strchr() { // 0x1e
528 psxBios_index();
529}
530
531void psxBios_strrchr() { // 0x1f
532 psxBios_rindex();
533}
534
535void psxBios_strpbrk() { // 0x20
536 char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc;
537
538 while ((c = *p1++) != '\0') {
539 for (scanp = p2; (sc = *scanp++) != '\0';) {
540 if (sc == c) {
541 v0 = a0 + (p1 - 1 - (char *)Ra0);
542 pc0 = ra;
543 return;
544 }
545 }
546 }
547
548 // BUG: return a0 instead of NULL if not found
549 v0 = a0; pc0 = ra;
550}
551
552void psxBios_strspn() { // 0x21
553 char *p1, *p2;
554
555 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
556 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
557 if (*p2 == '\0') break;
558 }
559
560 v0 = p1 - (char *)Ra0; pc0 = ra;
561}
562
563void psxBios_strcspn() { // 0x22
564 char *p1, *p2;
565
566 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
567 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
568 if (*p2 != '\0') break;
569 }
570
571 v0 = p1 - (char *)Ra0; pc0 = ra;
572}
573
574void psxBios_strtok() { // 0x23
575 char *pcA0 = (char *)Ra0;
576 char *pcRet = strtok(pcA0, (char *)Ra1);
577 if (pcRet)
578 v0 = a0 + pcRet - pcA0;
579 else
580 v0 = 0;
581 pc0 = ra;
582}
583
584void psxBios_strstr() { // 0x24
585 char *p = (char *)Ra0, *p1, *p2;
586
587 while (*p != '\0') {
588 p1 = p;
589 p2 = (char *)Ra1;
590
591 while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) {
592 p1++; p2++;
593 }
594
595 if (*p2 == '\0') {
596 v0 = a0 + (p - (char *)Ra0);
597 pc0 = ra;
598 return;
599 }
600
601 p++;
602 }
603
604 v0 = 0; pc0 = ra;
605}
606
607void psxBios_toupper() { // 0x25
608 v0 = (s8)(a0 & 0xff);
609 if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A';
610 pc0 = ra;
611}
612
613void psxBios_tolower() { // 0x26
614 v0 = (s8)(a0 & 0xff);
615 if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A';
616 pc0 = ra;
617}
618
619void psxBios_bcopy() { // 0x27
620 char *p1 = (char *)Ra1, *p2 = (char *)Ra0;
5ec7acdf 621 while ((s32)a2-- > 0) *p1++ = *p2++;
ef79bbde
P		 622
623 pc0 = ra;
624}
625
626void psxBios_bzero() { // 0x28
627 char *p = (char *)Ra0;
5ec7acdf 628 while ((s32)a1-- > 0) *p++ = '\0';
ef79bbde
P		 629
630 pc0 = ra;
631}
632
633void psxBios_bcmp() { // 0x29
634 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
635
636 if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; }
637
5ec7acdf 638 while ((s32)a2-- > 0) {
ef79bbde
P		 639 if (*p1++ != *p2++) {
640 v0 = *p1 - *p2; // BUG: compare the NEXT byte
641 pc0 = ra;
642 return;
643 }
644 }
645
646 v0 = 0; pc0 = ra;
647}
648
649void psxBios_memcpy() { // 0x2a
650 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
5ec7acdf 651 while ((s32)a2-- > 0) *p1++ = *p2++;
ef79bbde
P		 652
653 v0 = a0; pc0 = ra;
654}
655
656void psxBios_memset() { // 0x2b
657 char *p = (char *)Ra0;
5ec7acdf 658 while ((s32)a2-- > 0) *p++ = (char)a1;
ef79bbde 659
5ec7acdf 660 a2 = 0;
ef79bbde
P		 661 v0 = a0; pc0 = ra;
662}
663
664void psxBios_memmove() { // 0x2c
665 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
666
667 if (p2 <= p1 && p2 + a2 > p1) {
668 a2++; // BUG: copy one more byte here
669 p1 += a2;
670 p2 += a2;
5ec7acdf 671 while ((s32)a2-- > 0) *--p1 = *--p2;
ef79bbde 672 } else {
5ec7acdf 673 while ((s32)a2-- > 0) *p1++ = *p2++;
ef79bbde
P		 674 }
675
676 v0 = a0; pc0 = ra;
677}
678
679void psxBios_memcmp() { // 0x2d
680 psxBios_bcmp();
681}
682
683void psxBios_memchr() { // 0x2e
684 char *p = (char *)Ra0;
685
5ec7acdf 686 while ((s32)a2-- > 0) {
ef79bbde
P		 687 if (*p++ != (s8)a1) continue;
688 v0 = a0 + (p - (char *)Ra0 - 1);
689 pc0 = ra;
690 return;
691 }
692
693 v0 = 0; pc0 = ra;
694}
695
696void psxBios_rand() { // 0x2f
697 u32 s = psxMu32(0x9010) * 1103515245 + 12345;
698 v0 = (s >> 16) & 0x7fff;
699 psxMu32ref(0x9010) = SWAPu32(s);
700 pc0 = ra;
701}
702
703void psxBios_srand() { // 0x30
704 psxMu32ref(0x9010) = SWAPu32(a0);
705 pc0 = ra;
706}
707
708static u32 qscmpfunc, qswidth;
709
710static inline int qscmp(char *a, char *b) {
711 u32 sa0 = a0;
712
713 a0 = sa0 + (a - (char *)PSXM(sa0));
714 a1 = sa0 + (b - (char *)PSXM(sa0));
715
716 softCall2(qscmpfunc);
717
718 a0 = sa0;
719 return (s32)v0;
720}
721
722static inline void qexchange(char *i, char *j) {
723 char t;
724 int n = qswidth;
725
726 do {
727 t = *i;
728 *i++ = *j;
729 *j++ = t;
730 } while (--n);
731}
732
733static inline void q3exchange(char *i, char *j, char *k) {
734 char t;
735 int n = qswidth;
736
737 do {
738 t = *i;
739 *i++ = *k;
740 *k++ = *j;
741 *j++ = t;
742 } while (--n);
743}
744
745static void qsort_main(char *a, char *l) {
746 char *i, *j, *lp, *hp;
747 int c;
748 unsigned int n;
749
750start:
751 if ((n = l - a) <= qswidth)
752 return;
753 n = qswidth * (n / (2 * qswidth));
754 hp = lp = a + n;
755 i = a;
756 j = l - qswidth;
757 while (TRUE) {
758 if (i < lp) {
759 if ((c = qscmp(i, lp)) == 0) {
760 qexchange(i, lp -= qswidth);
761 continue;
762 }
763 if (c < 0) {
764 i += qswidth;
765 continue;
766 }
767 }
768
769loop:
770 if (j > hp) {
771 if ((c = qscmp(hp, j)) == 0) {
772 qexchange(hp += qswidth, j);
773 goto loop;
774 }
775 if (c > 0) {
776 if (i == lp) {
777 q3exchange(i, hp += qswidth, j);
778 i = lp += qswidth;
779 goto loop;
780 }
781 qexchange(i, j);
782 j -= qswidth;
783 i += qswidth;
784 continue;
785 }
786 j -= qswidth;
787 goto loop;
788 }
789
790 if (i == lp) {
791 if (lp - a >= l - hp) {
792 qsort_main(hp + qswidth, l);
793 l = lp;
794 } else {
795 qsort_main(a, lp);
796 a = hp + qswidth;
797 }
798 goto start;
799 }
800
801 q3exchange(j, lp -= qswidth, i);
802 j = hp -= qswidth;
803 }
804}
805
806void psxBios_qsort() { // 0x31
807 qswidth = a2;
808 qscmpfunc = a3;
809 qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
810
811 pc0 = ra;
812}
813
814void psxBios_malloc() { // 0x33
808a13bd 815 unsigned int *chunk, *newchunk = NULL;
816 unsigned int dsize = 0, csize, cstat;
ef79bbde
P		 817 int colflag;
818#ifdef PSXBIOS_LOG
819 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
820#endif
821
822 // scan through heap and combine free chunks of space
823 chunk = heap_addr;
824 colflag = 0;
825 while(chunk < heap_end) {
826 // get size and status of actual chunk
827 csize = ((u32)*chunk) & 0xfffffffc;
828 cstat = ((u32)*chunk) & 1;
829
830 // it's a free chunk
831 if(cstat == 1) {
832 if(colflag == 0) {
833 newchunk = chunk;
834 dsize = csize;
835 colflag = 1; // let's begin a new collection of free memory
836 }
837 else dsize += (csize+4); // add the new size including header
838 }
839 // not a free chunk: did we start a collection ?
840 else {
841 if(colflag == 1) { // collection is over
842 colflag = 0;
843 *newchunk = SWAP32(dsize | 1);
844 }
845 }
846
847 // next chunk
848 chunk = (u32*)((uptr)chunk + csize + 4);
849 }
850 // if neccessary free memory on end of heap
851 if (colflag == 1)
852 *newchunk = SWAP32(dsize | 1);
853
854 chunk = heap_addr;
855 csize = ((u32)*chunk) & 0xfffffffc;
856 cstat = ((u32)*chunk) & 1;
857 dsize = (a0 + 3) & 0xfffffffc;
858
859 // exit on uninitialized heap
860 if (chunk == NULL) {
861 SysPrintf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
862 v0 = 0;
863 pc0 = ra;
864 return;
865 }
866
867 // search an unused chunk that is big enough until the end of the heap
868 while ((dsize > csize || cstat == 0) && chunk < heap_end ) {
869 chunk = (u32*)((uptr)chunk + csize + 4);
870 csize = ((u32)*chunk) & 0xfffffffc;
871 cstat = ((u32)*chunk) & 1;
872 }
873
874 // catch out of memory
875 if(chunk >= heap_end) { SysPrintf("malloc %x,%x: Out of memory error!\n", v0, a0); v0 = 0; pc0 = ra; return; }
876
877 // allocate memory
878 if(dsize == csize) {
879 // chunk has same size
880 *chunk &= 0xfffffffc;
881 }
882 else {
883 // split free chunk
884 *chunk = SWAP32(dsize);
885 newchunk = (u32*)((uptr)chunk + dsize + 4);
808a13bd 886 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
ef79bbde
P		 887 }
888
889 // return pointer to allocated memory
890 v0 = ((unsigned long)chunk - (unsigned long)psxM) + 4;
891 v0|= 0x80000000;
892 SysPrintf ("malloc %x,%x\n", v0, a0);
893 pc0 = ra;
894}
895
896void psxBios_free() { // 0x34
897
898#ifdef PSXBIOS_LOG
899 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
900#endif
901
902 SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
903
904 *(u32*)(Ra0-4) |= 1; // set chunk to free
905 pc0 = ra;
906}
907
908void psxBios_calloc() { // 0x37
02949f79 909 void *pv0;
ef79bbde
P		 910#ifdef PSXBIOS_LOG
911 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
912#endif
913
914 a0 = a0 * a1;
915 psxBios_malloc();
02949f79 916 pv0 = Rv0;
917 if (pv0)
918 memset(pv0, 0, a0);
ef79bbde
P		 919}
920
921void psxBios_realloc() { // 0x38
922 u32 block = a0;
923 u32 size = a1;
924#ifdef PSXBIOS_LOG
925 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
926#endif
927
928 a0 = block;
929 psxBios_free();
930 a0 = size;
931 psxBios_malloc();
932}
933
934
935/* InitHeap(void *block , int n) */
936void psxBios_InitHeap() { // 0x39
937 unsigned int size;
938
939#ifdef PSXBIOS_LOG
940 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
941#endif
942
943 if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
944 else size = a1;
945
946 size &= 0xfffffffc;
947
948 heap_addr = (u32 *)Ra0;
949 heap_end = (u32 *)((u8 *)heap_addr + size);
950 *heap_addr = SWAP32(size | 1);
951
c979c3ee 952 SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
ef79bbde
P		 953
954 pc0 = ra;
955}
956
957void psxBios_getchar() { //0x3b
958 v0 = getchar(); pc0 = ra;
959}
960
961void psxBios_printf() { // 0x3f
962 char tmp[1024];
963 char tmp2[1024];
964 u32 save[4];
965 char *ptmp = tmp;
966 int n=1, i=0, j;
02949f79 967 void *psp;
968
969 psp = PSXM(sp);
970 if (psp) {
971 memcpy(save, psp, 4 * 4);
972 psxMu32ref(sp) = SWAP32((u32)a0);
973 psxMu32ref(sp + 4) = SWAP32((u32)a1);
974 psxMu32ref(sp + 8) = SWAP32((u32)a2);
975 psxMu32ref(sp + 12) = SWAP32((u32)a3);
976 }
ef79bbde
P		 977
978 while (Ra0[i]) {
979 switch (Ra0[i]) {
980 case '%':
981 j = 0;
982 tmp2[j++] = '%';
983_start:
984 switch (Ra0[++i]) {
985 case '.':
986 case 'l':
987 tmp2[j++] = Ra0[i]; goto _start;
988 default:
989 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
990 tmp2[j++] = Ra0[i];
991 goto _start;
992 }
993 break;
994 }
995 tmp2[j++] = Ra0[i];
996 tmp2[j] = 0;
997
998 switch (Ra0[i]) {
999 case 'f': case 'F':
1000 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
1001 case 'a': case 'A':
1002 case 'e': case 'E':
1003 case 'g': case 'G':
1004 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
1005 case 'p':
888468ff 1006 case 'i': case 'u':
ef79bbde
P		 1007 case 'd': case 'D':
1008 case 'o': case 'O':
1009 case 'x': case 'X':
1010 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
1011 case 'c':
1012 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
1013 case 's':
1014 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1015 case '%':
1016 *ptmp++ = Ra0[i]; break;
1017 }
1018 i++;
1019 break;
1020 default:
1021 *ptmp++ = Ra0[i++];
1022 }
1023 }
1024 *ptmp = 0;
1025
02949f79 1026 if (psp)
1027 memcpy(psp, save, 4 * 4);
ef79bbde 1028
808a13bd 1029 SysPrintf("%s", tmp);
ef79bbde
P		 1030
1031 pc0 = ra;
1032}
1033
e7e1f572 1034void psxBios_format() { // 0x41
1035 if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0')
1036 {
1037 CreateMcd(Config.Mcd1);
1038 LoadMcd(1, Config.Mcd1);
1039 v0 = 1;
1040 }
1041 else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0')
1042 {
1043 CreateMcd(Config.Mcd2);
1044 LoadMcd(2, Config.Mcd2);
1045 v0 = 1;
1046 }
1047 else
1048 {
1049 v0 = 0;
1050 }
1051 pc0 = ra;
1052}
1053
ef79bbde
P		 1054/*
1055 * long Load(char *name, struct EXEC *header);
1056 */
1057
1058void psxBios_Load() { // 0x42
1059 EXE_HEADER eheader;
02949f79 1060 void *pa1;
ef79bbde
P		 1061
1062#ifdef PSXBIOS_LOG
1063 PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1064#endif
1065
02949f79 1066 pa1 = Ra1;
1067 if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) {
1068 memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC));
ef79bbde
P		 1069 v0 = 1;
1070 } else v0 = 0;
1071
1072 pc0 = ra;
1073}
1074
1075/*
1076 * int Exec(struct EXEC *header , int argc , char **argv);
1077 */
1078
1079void psxBios_Exec() { // 43
1080 EXEC *header = (EXEC*)Ra0;
1081 u32 tmp;
1082
1083#ifdef PSXBIOS_LOG
1084 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1085#endif
1086
1087 header->_sp = sp;
1088 header->_fp = fp;
1089 header->_sp = sp;
1090 header->_gp = gp;
1091 header->ret = ra;
1092 header->base = s0;
1093
1094 if (header->S_addr != 0) {
1095 tmp = header->S_addr + header->s_size;
1096 sp = tmp;
1097 fp = sp;
1098 }
1099
1100 gp = header->gp0;
1101
1102 s0 = a0;
1103
1104 a0 = a1;
1105 a1 = a2;
1106
1107 ra = 0x8000;
1108 pc0 = header->_pc0;
1109}
1110
1111void psxBios_FlushCache() { // 44
1112#ifdef PSXBIOS_LOG
1113 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1114#endif
1115
1116 pc0 = ra;
1117}
1118
1119void psxBios_GPU_dw() { // 0x46
1120 int size;
1121 s32 *ptr;
1122
1123#ifdef PSXBIOS_LOG
1124 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1125#endif
1126
1127 GPU_writeData(0xa0000000);
1128 GPU_writeData((a1<<16)|(a0&0xffff));
1129 GPU_writeData((a3<<16)|(a2&0xffff));
1130 size = (a2*a3+1)/2;
1131 ptr = (s32*)PSXM(Rsp[4]); //that is correct?
1132 do {
1133 GPU_writeData(SWAP32(*ptr));
1134 ptr++;
1135 } while(--size);
1136
1137 pc0 = ra;
1138}
1139
1140void psxBios_mem2vram() { // 0x47
1141 int size;
1142
1143 GPU_writeData(0xa0000000);
1144 GPU_writeData((a1<<16)|(a0&0xffff));
1145 GPU_writeData((a3<<16)|(a2&0xffff));
1146 size = (a2*a3+1)/2;
1147 GPU_writeStatus(0x04000002);
1148 psxHwWrite32(0x1f8010f4,0);
1149 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1150 psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1151 psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1152 psxHwWrite32(0x1f8010a8,0x01000201);
1153
1154 pc0 = ra;
1155}
1156
1157void psxBios_SendGPU() { // 0x48
1158 GPU_writeStatus(a0);
ddbaf678 1159 gpuSyncPluginSR();
ef79bbde
P		 1160 pc0 = ra;
1161}
1162
1163void psxBios_GPU_cw() { // 0x49
1164 GPU_writeData(a0);
1165 pc0 = ra;
1166}
1167
1168void psxBios_GPU_cwb() { // 0x4a
1169 s32 *ptr = (s32*)Ra0;
1170 int size = a1;
1171 while(size--) {
1172 GPU_writeData(SWAP32(*ptr));
1173 ptr++;
1174 }
1175
1176 pc0 = ra;
1177}
1178
1179void psxBios_GPU_SendPackets() { //4b:
1180 GPU_writeStatus(0x04000002);
1181 psxHwWrite32(0x1f8010f4,0);
1182 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1183 psxHwWrite32(0x1f8010a0,a0);
1184 psxHwWrite32(0x1f8010a4,0);
1185 psxHwWrite32(0x1f8010a8,0x010000401);
1186 pc0 = ra;
1187}
1188
1189void psxBios_sys_a0_4c() { // 0x4c GPU relate
1190 psxHwWrite32(0x1f8010a8,0x00000401);
1191 GPU_writeData(0x0400000);
1192 GPU_writeData(0x0200000);
1193 GPU_writeData(0x0100000);
1194
1195 pc0 = ra;
1196}
1197
1198void psxBios_GPU_GetGPUStatus() { // 0x4d
1199 v0 = GPU_readStatus();
1200 pc0 = ra;
1201}
1202
1203#undef s_addr
1204
1205void psxBios_LoadExec() { // 51
1206 EXEC *header = (EXEC*)PSXM(0xf000);
1207 u32 s_addr, s_size;
1208
1209#ifdef PSXBIOS_LOG
1210 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1211#endif
1212 s_addr = a1; s_size = a2;
1213
1214 a1 = 0xf000;
1215 psxBios_Load();
1216
1217 header->S_addr = s_addr;
1218 header->s_size = s_size;
1219
1220 a0 = 0xf000; a1 = 0; a2 = 0;
1221 psxBios_Exec();
1222}
1223
1224void psxBios__bu_init() { // 70
1225#ifdef PSXBIOS_LOG
1226 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1227#endif
1228
1229 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1230 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1231
1232 pc0 = ra;
1233}
1234
1235void psxBios__96_init() { // 71
1236#ifdef PSXBIOS_LOG
1237 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1238#endif
1239
1240 pc0 = ra;
1241}
1242
1243void psxBios__96_remove() { // 72
1244#ifdef PSXBIOS_LOG
1245 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1246#endif
1247
1248 pc0 = ra;
1249}
1250
1251void psxBios_SetMem() { // 9f
1252 u32 new = psxHu32(0x1060);
1253
1254#ifdef PSXBIOS_LOG
1255 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1256#endif
1257
1258 switch(a0) {
1259 case 2:
1260 psxHu32ref(0x1060) = SWAP32(new);
1261 psxMu32ref(0x060) = a0;
1262 SysPrintf("Change effective memory : %d MBytes\n",a0);
1263 break;
1264
1265 case 8:
1266 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1267 psxMu32ref(0x060) = a0;
1268 SysPrintf("Change effective memory : %d MBytes\n",a0);
1269
1270 default:
1271 SysPrintf("Effective memory must be 2/8 MBytes\n");
1272 break;
1273 }
1274
1275 pc0 = ra;
1276}
1277
1278void psxBios__card_info() { // ab
1279#ifdef PSXBIOS_LOG
1280 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1281#endif
76b81516 1282 u32 ret;
e9fda093 1283 card_active_chan = a0;
1284
76b81516 1285 switch (card_active_chan)
1286 {
1287 case 0x00: case 0x01: case 0x02: case 0x03:
1288 ret = Config.Mcd1[0] ? 0x2 : 0x8;
1289 break;
1290 case 0x10: case 0x11: case 0x12: case 0x13:
1291 ret = Config.Mcd2[0] ? 0x2 : 0x8;
1292 break;
1293 default:
1294#ifdef PSXBIOS_LOG
1295 PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan);
1296#endif
1297 ret = 0x11;
1298 break;
1299 }
1300
1301// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
ef79bbde
P		 1302// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1303 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
76b81516 1304 DeliverEvent(0x81, ret); // 0xf4000001, 0x0004
ef79bbde
P		 1305
1306 v0 = 1; pc0 = ra;
1307}
1308
1309void psxBios__card_load() { // ac
1310#ifdef PSXBIOS_LOG
1311 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1312#endif
1313
e9fda093 1314 card_active_chan = a0;
1315
ef79bbde
P		 1316// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1317 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1318
1319 v0 = 1; pc0 = ra;
1320}
1321
1322/* System calls B0 */
1323
1324void psxBios_SetRCnt() { // 02
1325#ifdef PSXBIOS_LOG
1326 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1327#endif
1328
1329 a0&= 0x3;
1330 if (a0 != 3) {
1331 u32 mode=0;
1332
1333 psxRcntWtarget(a0, a1);
1334 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1335 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1336 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1337 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1338 else { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1339
1340 psxRcntWmode(a0, mode);
1341 }
1342 pc0 = ra;
1343}
1344
1345void psxBios_GetRCnt() { // 03
1346#ifdef PSXBIOS_LOG
1347 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1348#endif
1349
1350 a0&= 0x3;
1351 if (a0 != 3) v0 = psxRcntRcount(a0);
1352 else v0 = 0;
1353 pc0 = ra;
1354}
1355
1356void psxBios_StartRCnt() { // 04
1357#ifdef PSXBIOS_LOG
1358 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1359#endif
1360
1361 a0&= 0x3;
1362 if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1363 else psxHu32ref(0x1074)|= SWAPu32(0x1);
1364 v0 = 1; pc0 = ra;
1365}
1366
1367void psxBios_StopRCnt() { // 05
1368#ifdef PSXBIOS_LOG
1369 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1370#endif
1371
1372 a0&= 0x3;
1373 if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1374 else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1375 pc0 = ra;
1376}
1377
1378void psxBios_ResetRCnt() { // 06
1379#ifdef PSXBIOS_LOG
1380 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1381#endif
1382
1383 a0&= 0x3;
1384 if (a0 != 3) {
1385 psxRcntWmode(a0, 0);
1386 psxRcntWtarget(a0, 0);
1387 psxRcntWcount(a0, 0);
1388 }
1389 pc0 = ra;
1390}
1391
1392
1393/* gets ev for use with Event */
1394#define GetEv() \
1395 ev = (a0 >> 24) & 0xf; \
1396 if (ev == 0xf) ev = 0x5; \
1397 ev*= 32; \
1398 ev+= a0&0x1f;
1399
1400/* gets spec for use with Event */
1401#define GetSpec() \
1402 spec = 0; \
1403 switch (a1) { \
1404 case 0x0301: spec = 16; break; \
1405 case 0x0302: spec = 17; break; \
1406 default: \
1407 for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1408 break; \
1409 }
1410
1411void psxBios_DeliverEvent() { // 07
1412 int ev, spec;
1413 int i;
1414
1415 GetEv();
1416 GetSpec();
1417
1418#ifdef PSXBIOS_LOG
1419 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1420#endif
1421
1422 DeliverEvent(ev, spec);
1423
1424 pc0 = ra;
1425}
1426
1427void psxBios_OpenEvent() { // 08
1428 int ev, spec;
1429 int i;
1430
1431 GetEv();
1432 GetSpec();
1433
1434#ifdef PSXBIOS_LOG
1435 PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1436#endif
1437
1438 Event[ev][spec].status = EvStWAIT;
1439 Event[ev][spec].mode = a2;
1440 Event[ev][spec].fhandler = a3;
1441
1442 v0 = ev | (spec << 8);
1443 pc0 = ra;
1444}
1445
1446void psxBios_CloseEvent() { // 09
1447 int ev, spec;
1448
1449 ev = a0 & 0xff;
1450 spec = (a0 >> 8) & 0xff;
1451
1452#ifdef PSXBIOS_LOG
1453 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1454#endif
1455
1456 Event[ev][spec].status = EvStUNUSED;
1457
1458 v0 = 1; pc0 = ra;
1459}
1460
1461void psxBios_WaitEvent() { // 0a
1462 int ev, spec;
1463
1464 ev = a0 & 0xff;
1465 spec = (a0 >> 8) & 0xff;
1466
1467#ifdef PSXBIOS_LOG
1468 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1469#endif
1470
1471 Event[ev][spec].status = EvStACTIVE;
1472
1473 v0 = 1; pc0 = ra;
1474}
1475
1476void psxBios_TestEvent() { // 0b
1477 int ev, spec;
1478
1479 ev = a0 & 0xff;
1480 spec = (a0 >> 8) & 0xff;
1481
1482 if (Event[ev][spec].status == EvStALREADY) {
1483 Event[ev][spec].status = EvStACTIVE; v0 = 1;
1484 } else v0 = 0;
1485
1486#ifdef PSXBIOS_LOG
1487 PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1488#endif
1489
1490 pc0 = ra;
1491}
1492
1493void psxBios_EnableEvent() { // 0c
1494 int ev, spec;
1495
1496 ev = a0 & 0xff;
1497 spec = (a0 >> 8) & 0xff;
1498
1499#ifdef PSXBIOS_LOG
1500 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1501#endif
1502
1503 Event[ev][spec].status = EvStACTIVE;
1504
1505 v0 = 1; pc0 = ra;
1506}
1507
1508void psxBios_DisableEvent() { // 0d
1509 int ev, spec;
1510
1511 ev = a0 & 0xff;
1512 spec = (a0 >> 8) & 0xff;
1513
1514#ifdef PSXBIOS_LOG
1515 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1516#endif
1517
1518 Event[ev][spec].status = EvStWAIT;
1519
1520 v0 = 1; pc0 = ra;
1521}
1522
1523/*
1524 * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1525 */
1526
1527void psxBios_OpenTh() { // 0e
1528 int th;
1529
1530 for (th=1; th<8; th++)
1531 if (Thread[th].status == 0) break;
1532
1533#ifdef PSXBIOS_LOG
1534 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1535#endif
1536
1537 Thread[th].status = 1;
1538 Thread[th].func = a0;
1539 Thread[th].reg[29] = a1;
1540 Thread[th].reg[28] = a2;
1541
1542 v0 = th; pc0 = ra;
1543}
1544
1545/*
1546 * int CloseTh(long thread);
1547 */
1548
1549void psxBios_CloseTh() { // 0f
1550 int th = a0 & 0xff;
1551
1552#ifdef PSXBIOS_LOG
1553 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1554#endif
1555
1556 if (Thread[th].status == 0) {
1557 v0 = 0;
1558 } else {
1559 Thread[th].status = 0;
1560 v0 = 1;
1561 }
1562
1563 pc0 = ra;
1564}
1565
1566/*
1567 * int ChangeTh(long thread);
1568 */
1569
1570void psxBios_ChangeTh() { // 10
1571 int th = a0 & 0xff;
1572
1573#ifdef PSXBIOS_LOG
1574// PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1575#endif
1576
1577 if (Thread[th].status == 0 || CurThread == th) {
1578 v0 = 0;
1579
1580 pc0 = ra;
1581 } else {
1582 v0 = 1;
1583
1584 if (Thread[CurThread].status == 2) {
1585 Thread[CurThread].status = 1;
1586 Thread[CurThread].func = ra;
1587 memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1588 }
1589
1590 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1591 pc0 = Thread[th].func;
1592 Thread[th].status = 2;
1593 CurThread = th;
1594 }
1595}
1596
1597void psxBios_InitPAD() { // 0x12
1598#ifdef PSXBIOS_LOG
1599 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1600#endif
1601
1602 pad_buf1 = (char*)Ra0;
1603 pad_buf1len = a1;
1604 pad_buf2 = (char*)Ra2;
1605 pad_buf2len = a3;
1606
1607 v0 = 1; pc0 = ra;
1608}
1609
1610void psxBios_StartPAD() { // 13
1611#ifdef PSXBIOS_LOG
1612 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1613#endif
1614
1615 psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1616 psxRegs.CP0.n.Status |= 0x401;
1617 pc0 = ra;
1618}
1619
1620void psxBios_StopPAD() { // 14
1621#ifdef PSXBIOS_LOG
1622 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1623#endif
1624
1625 pad_buf1 = NULL;
1626 pad_buf2 = NULL;
1627 pc0 = ra;
1628}
1629
1630void psxBios_PAD_init() { // 15
1631#ifdef PSXBIOS_LOG
1632 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1633#endif
a824e83d 1634 if (!(a0 == 0x20000000 || a0 == 0x20000001))
1635 {
1636 v0 = 0;
1637 pc0 = ra;
1638 return;
1639 }
ef79bbde
P		 1640 psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1641 pad_buf = (int *)Ra1;
1642 *pad_buf = -1;
1643 psxRegs.CP0.n.Status |= 0x401;
a824e83d 1644 v0 = 2;
ef79bbde
P		 1645 pc0 = ra;
1646}
1647
1648void psxBios_PAD_dr() { // 16
1649#ifdef PSXBIOS_LOG
1650 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1651#endif
1652
1653 v0 = -1; pc0 = ra;
1654}
1655
1656void psxBios_ReturnFromException() { // 17
1657 LoadRegs();
1658
1659 pc0 = psxRegs.CP0.n.EPC;
1660 if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1661
1662 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1663 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1664}
1665
1666void psxBios_ResetEntryInt() { // 18
1667#ifdef PSXBIOS_LOG
1668 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1669#endif
1670
1671 jmp_int = NULL;
1672 pc0 = ra;
1673}
1674
1675void psxBios_HookEntryInt() { // 19
1676#ifdef PSXBIOS_LOG
1677 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
1678#endif
1679
1680 jmp_int = (u32*)Ra0;
1681 pc0 = ra;
1682}
1683
1684void psxBios_UnDeliverEvent() { // 0x20
1685 int ev, spec;
1686 int i;
1687
1688 GetEv();
1689 GetSpec();
1690
1691#ifdef PSXBIOS_LOG
1692 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
1693#endif
1694
1695 if (Event[ev][spec].status == EvStALREADY &&
1696 Event[ev][spec].mode == EvMdNOINTR)
1697 Event[ev][spec].status = EvStACTIVE;
1698
1699 pc0 = ra;
1700}
1701
595a136b 1702char ffile[64], *pfile;
1703int nfile;
1704static void buopen(int mcd, u8 *ptr, u8 *cfg)
1705{
1706 int i;
1707 u8 *fptr = ptr;
1708
1709 strcpy(FDesc[1 + mcd].name, Ra0+5);
1710 FDesc[1 + mcd].offset = 0;
1711 FDesc[1 + mcd].mode = a1;
1712
1713 for (i=1; i<16; i++) {
1714 fptr += 128;
1715 if ((*fptr & 0xF0) != 0x50) continue;
1716 if (strcmp(FDesc[1 + mcd].name, fptr+0xa)) continue;
1717 FDesc[1 + mcd].mcfile = i;
1718 SysPrintf("open %s\n", fptr+0xa);
1719 v0 = 1 + mcd;
1720 break;
1721 }
1722 if (a1 & 0x200 && v0 == -1) { /* FCREAT */
1723 fptr = ptr;
1724 for (i=1; i<16; i++) {
1725 int j, xor, nblk = a1 >> 16;
1726 u8 *pptr, *fptr2;
1727
1728 fptr += 128;
1729 if ((*fptr & 0xF0) != 0xa0) continue;
1730
1731 FDesc[1 + mcd].mcfile = i;
1732 fptr[0] = 0x51;
1733 fptr[4] = 0x00;
1734 fptr[5] = 0x20 * nblk;
1735 fptr[6] = 0x00;
1736 fptr[7] = 0x00;
1737 strcpy(fptr+0xa, FDesc[1 + mcd].name);
1738 pptr = fptr2 = fptr;
1739 for(j=2; j<=nblk; j++) {
1740 int k;
1741 for(i++; i<16; i++) {
1742 fptr2 += 128;
1743
1744 memset(fptr2, 0, 128);
1745 fptr2[0] = j < nblk ? 0x52 : 0x53;
1746 pptr[8] = i - 1;
1747 pptr[9] = 0;
1748 for (k=0, xor=0; k<127; k++) xor^= pptr[k];
1749 pptr[127] = xor;
1750 pptr = fptr2;
1751 break;
1752 }
1753 /* shouldn't this return ENOSPC if i == 16? */
1754 }
1755 pptr[8] = pptr[9] = 0xff;
1756 for (j=0, xor=0; j<127; j++) xor^= pptr[j];
1757 pptr[127] = xor;
1758 SysPrintf("openC %s %d\n", ptr, nblk);
1759 v0 = 1 + mcd;
1760 /* just go ahead and resave them all */
1761 SaveMcd(cfg, ptr, 128, 128 * 15);
1762 break;
1763 }
1764 /* shouldn't this return ENOSPC if i == 16? */
1765 }
ef79bbde
P		 1766}
1767
1768/*
1769 * int open(char *name , int mode);
1770 */
1771
1772void psxBios_open() { // 0x32
1773 int i;
1774 char *ptr;
02949f79 1775 void *pa0 = Ra0;
ef79bbde
P		 1776
1777#ifdef PSXBIOS_LOG
1778 PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
1779#endif
1780
1781 v0 = -1;
1782
02949f79 1783 if (pa0) {
1784 if (!strncmp(pa0, "bu00", 4)) {
595a136b 1785 buopen(1, Mcd1Data, Config.Mcd1);
02949f79 1786 }
ef79bbde 1787
02949f79 1788 if (!strncmp(pa0, "bu10", 4)) {
595a136b 1789 buopen(2, Mcd2Data, Config.Mcd2);
02949f79 1790 }
ef79bbde
P		 1791 }
1792
1793 pc0 = ra;
1794}
1795
1796/*
1797 * int lseek(int fd , int offset , int whence);
1798 */
1799
1800void psxBios_lseek() { // 0x33
1801#ifdef PSXBIOS_LOG
1802 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
1803#endif
1804
1805 switch (a2) {
1806 case 0: // SEEK_SET
1807 FDesc[a0].offset = a1;
1808 v0 = a1;
1809// DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1810// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1811 break;
1812
1813 case 1: // SEEK_CUR
1814 FDesc[a0].offset+= a1;
1815 v0 = FDesc[a0].offset;
1816 break;
1817 }
1818
1819 pc0 = ra;
1820}
1821
595a136b 1822#define buread(Ra1, mcd, length) { \
ef79bbde
P		 1823 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); \
1824 ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
595a136b 1825 memcpy(Ra1, ptr, length); \
ef79bbde
P		 1826 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1827 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
595a136b 1828 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1829 else v0 = length; \
1830 FDesc[1 + mcd].offset += v0; \
ef79bbde
P		 1831}
1832
595a136b 1833
1834
ef79bbde
P		 1835/*
1836 * int read(int fd , void *buf , int nbytes);
1837 */
1838
1839void psxBios_read() { // 0x34
1840 char *ptr;
02949f79 1841 void *pa1 = Ra1;
ef79bbde
P		 1842
1843#ifdef PSXBIOS_LOG
1844 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
1845#endif
1846
1847 v0 = -1;
1848
02949f79 1849 if (pa1) {
1850 switch (a0) {
595a136b 1851 case 2: buread(pa1, 1, a2); break;
1852 case 3: buread(pa1, 2, a2); break;
02949f79 1853 }
ef79bbde
P		 1854 }
1855
1856 pc0 = ra;
1857}
1858
595a136b 1859#define buwrite(Ra1, mcd, length) { \
ef79bbde
P		 1860 u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1861 SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \
1862 ptr = Mcd##mcd##Data + offset; \
595a136b 1863 memcpy(ptr, Ra1, length); \
ef79bbde
P		 1864 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1865 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
595a136b 1866 FDesc[1 + mcd].offset += length; \
1867 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1868 else v0 = length; \
ef79bbde
P		 1869}
1870
1871/*
1872 * int write(int fd , void *buf , int nbytes);
1873 */
1874
1875void psxBios_write() { // 0x35/0x03
1876 char *ptr;
02949f79 1877 void *pa1 = Ra1;
1878
1879#ifdef PSXBIOS_LOG
1880 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
1881#endif
1882
1883 v0 = -1;
1884 if (!pa1) {
1885 pc0 = ra;
1886 return;
1887 }
ef79bbde
P		 1888
1889 if (a0 == 1) { // stdout
02949f79 1890 char *ptr = pa1;
ef79bbde 1891
02949f79 1892 v0 = a2;
ef79bbde
P		 1893 while (a2 > 0) {
1894 SysPrintf("%c", *ptr++); a2--;
1895 }
1896 pc0 = ra; return;
1897 }
ef79bbde
P		 1898
1899 switch (a0) {
595a136b 1900 case 2: buwrite(pa1, 1, a2); break;
1901 case 3: buwrite(pa1, 2, a2); break;
ef79bbde
P		 1902 }
1903
1904 pc0 = ra;
1905}
1906
1907/*
1908 * int close(int fd);
1909 */
1910
1911void psxBios_close() { // 0x36
1912#ifdef PSXBIOS_LOG
1913 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
1914#endif
1915
1916 v0 = a0;
1917 pc0 = ra;
1918}
1919
1920void psxBios_putchar() { // 3d
1921 SysPrintf("%c", (char)a0);
1922 pc0 = ra;
1923}
1924
1925void psxBios_puts() { // 3e/3f
808a13bd 1926 SysPrintf("%s", Ra0);
ef79bbde
P		 1927 pc0 = ra;
1928}
1929
1930char ffile[64], *pfile;
1931int nfile;
1932
1933#define bufile(mcd) { \
1934 while (nfile < 16) { \
1935 int match=1; \
1936 \
595a136b 1937 ptr = Mcd##mcd##Data + 128 * (nfile + 1); \
ef79bbde
P		 1938 nfile++; \
1939 if ((*ptr & 0xF0) != 0x50) continue; \
595a136b 1940 /* Bug link files show up as free block. */ \
1941 if (!ptr[0xa]) continue; \
ef79bbde
P		 1942 ptr+= 0xa; \
1943 if (pfile[0] == 0) { \
507d7c1d 1944 strncpy(dir->name, ptr, sizeof(dir->name)); \
1945 dir->name[sizeof(dir->name) - 1] = '\0'; \
ef79bbde
P		 1946 } else for (i=0; i<20; i++) { \
1947 if (pfile[i] == ptr[i]) { \
595a136b 1948 dir->name[i] = ptr[i]; continue; } \
ef79bbde
P		 1949 if (pfile[i] == '?') { \
1950 dir->name[i] = ptr[i]; continue; } \
1951 if (pfile[i] == '*') { \
1952 strcpy(dir->name+i, ptr+i); break; } \
1953 match = 0; break; \
1954 } \
1955 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
595a136b 1956 if (match == 0) { continue; } \
ef79bbde
P		 1957 dir->size = 8192; \
1958 v0 = _dir; \
1959 break; \
1960 } \
1961}
1962
1963/*
1964 * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
1965 */
1966
1967void psxBios_firstfile() { // 42
1968 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
02949f79 1969 void *pa0 = Ra0;
ef79bbde
P		 1970 u32 _dir = a1;
1971 char *ptr;
1972 int i;
1973
1974#ifdef PSXBIOS_LOG
1975 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
1976#endif
1977
1978 v0 = 0;
1979
02949f79 1980 if (pa0) {
1981 strcpy(ffile, pa0);
1982 pfile = ffile+5;
1983 nfile = 1;
1984 if (!strncmp(pa0, "bu00", 4)) {
1985 bufile(1);
1986 } else if (!strncmp(pa0, "bu10", 4)) {
1987 bufile(2);
1988 }
ef79bbde
P		 1989 }
1990
66ade381 1991 // firstfile() calls _card_read() internally, so deliver it's event
1992 DeliverEvent(0x11, 0x2);
1993
ef79bbde
P		 1994 pc0 = ra;
1995}
1996
1997/*
1998 * struct DIRENTRY* nextfile(struct DIRENTRY *dir);
1999 */
2000
2001void psxBios_nextfile() { // 43
2002 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
2003 u32 _dir = a0;
2004 char *ptr;
2005 int i;
2006
2007#ifdef PSXBIOS_LOG
2008 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
2009#endif
2010
2011 v0 = 0;
2012
2013 if (!strncmp(ffile, "bu00", 4)) {
2014 bufile(1);
2015 }
2016
2017 if (!strncmp(ffile, "bu10", 4)) {
2018 bufile(2);
2019 }
2020
2021 pc0 = ra;
2022}
2023
2024#define burename(mcd) { \
2025 for (i=1; i<16; i++) { \
2026 int namelen, j, xor = 0; \
2027 ptr = Mcd##mcd##Data + 128 * i; \
2028 if ((*ptr & 0xF0) != 0x50) continue; \
2029 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2030 namelen = strlen(Ra1+5); \
2031 memcpy(ptr+0xa, Ra1+5, namelen); \
2032 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
2033 for (j=0; j<127; j++) xor^= ptr[j]; \
2034 ptr[127] = xor; \
2035 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
2036 v0 = 1; \
2037 break; \
2038 } \
2039}
2040
2041/*
2042 * int rename(char *old, char *new);
2043 */
2044
2045void psxBios_rename() { // 44
02949f79 2046 void *pa0 = Ra0;
2047 void *pa1 = Ra1;
ef79bbde
P		 2048 char *ptr;
2049 int i;
2050
2051#ifdef PSXBIOS_LOG
2052 PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
2053#endif
2054
2055 v0 = 0;
2056
02949f79 2057 if (pa0 && pa1) {
2058 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
2059 burename(1);
2060 }
ef79bbde 2061
02949f79 2062 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
2063 burename(2);
2064 }
ef79bbde
P		 2065 }
2066
2067 pc0 = ra;
2068}
2069
2070
2071#define budelete(mcd) { \
2072 for (i=1; i<16; i++) { \
2073 ptr = Mcd##mcd##Data + 128 * i; \
2074 if ((*ptr & 0xF0) != 0x50) continue; \
2075 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2076 *ptr = (*ptr & 0xf) | 0xA0; \
2077 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
2078 SysPrintf("delete %s\n", ptr+0xa); \
2079 v0 = 1; \
2080 break; \
2081 } \
2082}
2083
2084/*
2085 * int delete(char *name);
2086 */
2087
2088void psxBios_delete() { // 45
02949f79 2089 void *pa0 = Ra0;
ef79bbde
P		 2090 char *ptr;
2091 int i;
2092
2093#ifdef PSXBIOS_LOG
2094 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2095#endif
2096
2097 v0 = 0;
2098
02949f79 2099 if (pa0) {
2100 if (!strncmp(pa0, "bu00", 4)) {
2101 budelete(1);
2102 }
ef79bbde 2103
02949f79 2104 if (!strncmp(pa0, "bu10", 4)) {
2105 budelete(2);
2106 }
ef79bbde
P		 2107 }
2108
2109 pc0 = ra;
2110}
2111
2112void psxBios_InitCARD() { // 4a
2113#ifdef PSXBIOS_LOG
2114 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2115#endif
2116
2117 CardState = 0;
2118
2119 pc0 = ra;
2120}
2121
2122void psxBios_StartCARD() { // 4b
2123#ifdef PSXBIOS_LOG
2124 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2125#endif
2126
2127 if (CardState == 0) CardState = 1;
2128
2129 pc0 = ra;
2130}
2131
2132void psxBios_StopCARD() { // 4c
2133#ifdef PSXBIOS_LOG
2134 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2135#endif
2136
2137 if (CardState == 1) CardState = 0;
2138
2139 pc0 = ra;
2140}
2141
2142void psxBios__card_write() { // 0x4e
02949f79 2143 void *pa2 = Ra2;
ef79bbde
P		 2144 int port;
2145
2146#ifdef PSXBIOS_LOG
2147 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2148#endif
bd48ba5e 2149 /* Function also accepts sector 400h (a bug) */
2150 if (!(a1 <= 0x400))
2151 {
2152 /* Invalid sectors */
2153 v0 = 0; pc0 = ra;
2154 return;
2155 }
e9fda093 2156 card_active_chan = a0;
ef79bbde
P		 2157 port = a0 >> 4;
2158
02949f79 2159 if (pa2) {
2160 if (port == 0) {
2161 memcpy(Mcd1Data + a1 * 128, pa2, 128);
2162 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2163 } else {
2164 memcpy(Mcd2Data + a1 * 128, pa2, 128);
2165 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2166 }
ef79bbde
P		 2167 }
2168
2169 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2170// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2171
2172 v0 = 1; pc0 = ra;
2173}
2174
2175void psxBios__card_read() { // 0x4f
02949f79 2176 void *pa2 = Ra2;
ef79bbde
P		 2177 int port;
2178
2179#ifdef PSXBIOS_LOG
2180 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2181#endif
bd48ba5e 2182 /* Function also accepts sector 400h (a bug) */
2183 if (!(a1 <= 0x400))
2184 {
2185 /* Invalid sectors */
2186 v0 = 0; pc0 = ra;
2187 return;
2188 }
e9fda093 2189 card_active_chan = a0;
ef79bbde
P		 2190 port = a0 >> 4;
2191
02949f79 2192 if (pa2) {
2193 if (port == 0) {
2194 memcpy(pa2, Mcd1Data + a1 * 128, 128);
2195 } else {
2196 memcpy(pa2, Mcd2Data + a1 * 128, 128);
2197 }
ef79bbde
P		 2198 }
2199
2200 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2201// DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2202
2203 v0 = 1; pc0 = ra;
2204}
2205
2206void psxBios__new_card() { // 0x50
2207#ifdef PSXBIOS_LOG
2208 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2209#endif
2210
2211 pc0 = ra;
2212}
2213
2214void psxBios_Krom2RawAdd() { // 0x51
2215 int i = 0;
2216
2217 const u32 table_8140[][2] = {
2218 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2219 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2220 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2221 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2222 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2223 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2224 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2225 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2226 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2227 {0xffff, 0}
2228 };
2229
2230 const u32 table_889f[][2] = {
2231 {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4},
2232 {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304},
2233 {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14},
2234 {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24},
2235 {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734},
2236 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2237 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2238 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2239 {0xffff, 0}
2240 };
2241
2242 if (a0 >= 0x8140 && a0 <= 0x84be) {
2243 while (table_8140[i][0] <= a0) i++;
2244 a0 -= table_8140[i - 1][0];
2245 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2246 } else if (a0 >= 0x889f && a0 <= 0x9872) {
2247 while (table_889f[i][0] <= a0) i++;
2248 a0 -= table_889f[i - 1][0];
2249 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2250 } else {
2251 v0 = 0xffffffff;
2252 }
2253
2254 pc0 = ra;
2255}
2256
2257void psxBios_GetC0Table() { // 56
2258#ifdef PSXBIOS_LOG
2259 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2260#endif
2261
2262 v0 = 0x674; pc0 = ra;
2263}
2264
2265void psxBios_GetB0Table() { // 57
2266#ifdef PSXBIOS_LOG
2267 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2268#endif
2269
2270 v0 = 0x874; pc0 = ra;
2271}
2272
e9fda093 2273void psxBios__card_chan() { // 0x58
2274#ifdef PSXBIOS_LOG
2275 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2276#endif
2277
2278 v0 = card_active_chan;
2279 pc0 = ra;
2280}
2281
ef79bbde
P		 2282void psxBios_ChangeClearPad() { // 5b
2283#ifdef PSXBIOS_LOG
2284 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2285#endif
2286
2287 pc0 = ra;
2288}
2289
2290/* System calls C0 */
2291
2292/*
2293 * int SysEnqIntRP(int index , long *queue);
2294 */
2295
2296void psxBios_SysEnqIntRP() { // 02
2297#ifdef PSXBIOS_LOG
2298 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2299#endif
2300
2301 SysIntRP[a0] = a1;
2302
2303 v0 = 0; pc0 = ra;
2304}
2305
2306/*
2307 * int SysDeqIntRP(int index , long *queue);
2308 */
2309
2310void psxBios_SysDeqIntRP() { // 03
2311#ifdef PSXBIOS_LOG
2312 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2313#endif
2314
2315 SysIntRP[a0] = 0;
2316
2317 v0 = 0; pc0 = ra;
2318}
2319
2320void psxBios_ChangeClearRCnt() { // 0a
2321 u32 *ptr;
2322
2323#ifdef PSXBIOS_LOG
2324 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2325#endif
2326
2327 ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2328 v0 = *ptr;
2329 *ptr = a1;
2330
2331// psxRegs.CP0.n.Status|= 0x404;
2332 pc0 = ra;
2333}
2334
2335void psxBios_dummy() {
2336#ifdef PSXBIOS_LOG
2337 PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2338#endif
2339 pc0 = ra;
2340}
2341
2342void (*biosA0[256])();
2343void (*biosB0[256])();
2344void (*biosC0[256])();
2345
2346#include "sjisfont.h"
2347
2348void psxBiosInit() {
2349 u32 base, size;
2350 u32 *ptr;
2351 int i;
2352 uLongf len;
2353
2354 for(i = 0; i < 256; i++) {
2355 biosA0[i] = NULL;
2356 biosB0[i] = NULL;
2357 biosC0[i] = NULL;
2358 }
2359 biosA0[0x3e] = psxBios_puts;
2360 biosA0[0x3f] = psxBios_printf;
2361
2362 biosB0[0x3d] = psxBios_putchar;
2363 biosB0[0x3f] = psxBios_puts;
2364
2365 if (!Config.HLE) return;
2366
2367 for(i = 0; i < 256; i++) {
2368 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2369 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2370 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2371 }
2372
2373 biosA0[0x00] = psxBios_open;
2374 biosA0[0x01] = psxBios_lseek;
2375 biosA0[0x02] = psxBios_read;
2376 biosA0[0x03] = psxBios_write;
2377 biosA0[0x04] = psxBios_close;
2378 //biosA0[0x05] = psxBios_ioctl;
2379 //biosA0[0x06] = psxBios_exit;
2380 //biosA0[0x07] = psxBios_sys_a0_07;
2381 //biosA0[0x08] = psxBios_getc;
2382 //biosA0[0x09] = psxBios_putc;
2383 //biosA0[0x0a] = psxBios_todigit;
2384 //biosA0[0x0b] = psxBios_atof;
2385 //biosA0[0x0c] = psxBios_strtoul;
2386 //biosA0[0x0d] = psxBios_strtol;
2387 biosA0[0x0e] = psxBios_abs;
2388 biosA0[0x0f] = psxBios_labs;
2389 biosA0[0x10] = psxBios_atoi;
2390 biosA0[0x11] = psxBios_atol;
2391 //biosA0[0x12] = psxBios_atob;
2392 biosA0[0x13] = psxBios_setjmp;
2393 biosA0[0x14] = psxBios_longjmp;
2394 biosA0[0x15] = psxBios_strcat;
2395 biosA0[0x16] = psxBios_strncat;
2396 biosA0[0x17] = psxBios_strcmp;
2397 biosA0[0x18] = psxBios_strncmp;
2398 biosA0[0x19] = psxBios_strcpy;
2399 biosA0[0x1a] = psxBios_strncpy;
2400 biosA0[0x1b] = psxBios_strlen;
2401 biosA0[0x1c] = psxBios_index;
2402 biosA0[0x1d] = psxBios_rindex;
2403 biosA0[0x1e] = psxBios_strchr;
2404 biosA0[0x1f] = psxBios_strrchr;
2405 biosA0[0x20] = psxBios_strpbrk;
2406 biosA0[0x21] = psxBios_strspn;
2407 biosA0[0x22] = psxBios_strcspn;
2408 biosA0[0x23] = psxBios_strtok;
2409 biosA0[0x24] = psxBios_strstr;
2410 biosA0[0x25] = psxBios_toupper;
2411 biosA0[0x26] = psxBios_tolower;
2412 biosA0[0x27] = psxBios_bcopy;
2413 biosA0[0x28] = psxBios_bzero;
2414 biosA0[0x29] = psxBios_bcmp;
2415 biosA0[0x2a] = psxBios_memcpy;
2416 biosA0[0x2b] = psxBios_memset;
2417 biosA0[0x2c] = psxBios_memmove;
2418 biosA0[0x2d] = psxBios_memcmp;
2419 biosA0[0x2e] = psxBios_memchr;
2420 biosA0[0x2f] = psxBios_rand;
2421 biosA0[0x30] = psxBios_srand;
2422 biosA0[0x31] = psxBios_qsort;
2423 //biosA0[0x32] = psxBios_strtod;
2424 biosA0[0x33] = psxBios_malloc;
2425 biosA0[0x34] = psxBios_free;
2426 //biosA0[0x35] = psxBios_lsearch;
2427 //biosA0[0x36] = psxBios_bsearch;
2428 biosA0[0x37] = psxBios_calloc;
2429 biosA0[0x38] = psxBios_realloc;
2430 biosA0[0x39] = psxBios_InitHeap;
2431 //biosA0[0x3a] = psxBios__exit;
2432 biosA0[0x3b] = psxBios_getchar;
2433 biosA0[0x3c] = psxBios_putchar;
2434 //biosA0[0x3d] = psxBios_gets;
2435 //biosA0[0x40] = psxBios_sys_a0_40;
2436 //biosA0[0x41] = psxBios_LoadTest;
2437 biosA0[0x42] = psxBios_Load;
2438 biosA0[0x43] = psxBios_Exec;
2439 biosA0[0x44] = psxBios_FlushCache;
2440 //biosA0[0x45] = psxBios_InstallInterruptHandler;
2441 biosA0[0x46] = psxBios_GPU_dw;
2442 biosA0[0x47] = psxBios_mem2vram;
2443 biosA0[0x48] = psxBios_SendGPU;
2444 biosA0[0x49] = psxBios_GPU_cw;
2445 biosA0[0x4a] = psxBios_GPU_cwb;
2446 biosA0[0x4b] = psxBios_GPU_SendPackets;
2447 biosA0[0x4c] = psxBios_sys_a0_4c;
2448 biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2449 //biosA0[0x4e] = psxBios_GPU_sync;
2450 //biosA0[0x4f] = psxBios_sys_a0_4f;
2451 //biosA0[0x50] = psxBios_sys_a0_50;
2452 biosA0[0x51] = psxBios_LoadExec;
2453 //biosA0[0x52] = psxBios_GetSysSp;
2454 //biosA0[0x53] = psxBios_sys_a0_53;
2455 //biosA0[0x54] = psxBios__96_init_a54;
2456 //biosA0[0x55] = psxBios__bu_init_a55;
2457 //biosA0[0x56] = psxBios__96_remove_a56;
2458 //biosA0[0x57] = psxBios_sys_a0_57;
2459 //biosA0[0x58] = psxBios_sys_a0_58;
2460 //biosA0[0x59] = psxBios_sys_a0_59;
2461 //biosA0[0x5a] = psxBios_sys_a0_5a;
2462 //biosA0[0x5b] = psxBios_dev_tty_init;
2463 //biosA0[0x5c] = psxBios_dev_tty_open;
2464 //biosA0[0x5d] = psxBios_sys_a0_5d;
2465 //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2466 //biosA0[0x5f] = psxBios_dev_cd_open;
2467 //biosA0[0x60] = psxBios_dev_cd_read;
2468 //biosA0[0x61] = psxBios_dev_cd_close;
2469 //biosA0[0x62] = psxBios_dev_cd_firstfile;
2470 //biosA0[0x63] = psxBios_dev_cd_nextfile;
2471 //biosA0[0x64] = psxBios_dev_cd_chdir;
2472 //biosA0[0x65] = psxBios_dev_card_open;
2473 //biosA0[0x66] = psxBios_dev_card_read;
2474 //biosA0[0x67] = psxBios_dev_card_write;
2475 //biosA0[0x68] = psxBios_dev_card_close;
2476 //biosA0[0x69] = psxBios_dev_card_firstfile;
2477 //biosA0[0x6a] = psxBios_dev_card_nextfile;
2478 //biosA0[0x6b] = psxBios_dev_card_erase;
2479 //biosA0[0x6c] = psxBios_dev_card_undelete;
2480 //biosA0[0x6d] = psxBios_dev_card_format;
2481 //biosA0[0x6e] = psxBios_dev_card_rename;
2482 //biosA0[0x6f] = psxBios_dev_card_6f;
2483 biosA0[0x70] = psxBios__bu_init;
2484 biosA0[0x71] = psxBios__96_init;
2485 biosA0[0x72] = psxBios__96_remove;
2486 //biosA0[0x73] = psxBios_sys_a0_73;
2487 //biosA0[0x74] = psxBios_sys_a0_74;
2488 //biosA0[0x75] = psxBios_sys_a0_75;
2489 //biosA0[0x76] = psxBios_sys_a0_76;
2490 //biosA0[0x77] = psxBios_sys_a0_77;
2491 //biosA0[0x78] = psxBios__96_CdSeekL;
2492 //biosA0[0x79] = psxBios_sys_a0_79;
2493 //biosA0[0x7a] = psxBios_sys_a0_7a;
2494 //biosA0[0x7b] = psxBios_sys_a0_7b;
2495 //biosA0[0x7c] = psxBios__96_CdGetStatus;
2496 //biosA0[0x7d] = psxBios_sys_a0_7d;
2497 //biosA0[0x7e] = psxBios__96_CdRead;
2498 //biosA0[0x7f] = psxBios_sys_a0_7f;
2499 //biosA0[0x80] = psxBios_sys_a0_80;
2500 //biosA0[0x81] = psxBios_sys_a0_81;
2501 //biosA0[0x82] = psxBios_sys_a0_82;
2502 //biosA0[0x83] = psxBios_sys_a0_83;
2503 //biosA0[0x84] = psxBios_sys_a0_84;
2504 //biosA0[0x85] = psxBios__96_CdStop;
2505 //biosA0[0x86] = psxBios_sys_a0_86;
2506 //biosA0[0x87] = psxBios_sys_a0_87;
2507 //biosA0[0x88] = psxBios_sys_a0_88;
2508 //biosA0[0x89] = psxBios_sys_a0_89;
2509 //biosA0[0x8a] = psxBios_sys_a0_8a;
2510 //biosA0[0x8b] = psxBios_sys_a0_8b;
2511 //biosA0[0x8c] = psxBios_sys_a0_8c;
2512 //biosA0[0x8d] = psxBios_sys_a0_8d;
2513 //biosA0[0x8e] = psxBios_sys_a0_8e;
2514 //biosA0[0x8f] = psxBios_sys_a0_8f;
2515 //biosA0[0x90] = psxBios_sys_a0_90;
2516 //biosA0[0x91] = psxBios_sys_a0_91;
2517 //biosA0[0x92] = psxBios_sys_a0_92;
2518 //biosA0[0x93] = psxBios_sys_a0_93;
2519 //biosA0[0x94] = psxBios_sys_a0_94;
2520 //biosA0[0x95] = psxBios_sys_a0_95;
2521 //biosA0[0x96] = psxBios_AddCDROMDevice;
2522 //biosA0[0x97] = psxBios_AddMemCardDevide;
2523 //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2524 //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2525 //biosA0[0x9a] = psxBios_sys_a0_9a;
2526 //biosA0[0x9b] = psxBios_sys_a0_9b;
2527 //biosA0[0x9c] = psxBios_SetConf;
2528 //biosA0[0x9d] = psxBios_GetConf;
2529 //biosA0[0x9e] = psxBios_sys_a0_9e;
2530 biosA0[0x9f] = psxBios_SetMem;
2531 //biosA0[0xa0] = psxBios__boot;
2532 //biosA0[0xa1] = psxBios_SystemError;
2533 //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2534 //biosA0[0xa3] = psxBios_DequeueCdIntr;
2535 //biosA0[0xa4] = psxBios_sys_a0_a4;
2536 //biosA0[0xa5] = psxBios_ReadSector;
2537 //biosA0[0xa6] = psxBios_get_cd_status;
2538 //biosA0[0xa7] = psxBios_bufs_cb_0;
2539 //biosA0[0xa8] = psxBios_bufs_cb_1;
2540 //biosA0[0xa9] = psxBios_bufs_cb_2;
2541 //biosA0[0xaa] = psxBios_bufs_cb_3;
2542 biosA0[0xab] = psxBios__card_info;
2543 biosA0[0xac] = psxBios__card_load;
2544 //biosA0[0axd] = psxBios__card_auto;
2545 //biosA0[0xae] = psxBios_bufs_cd_4;
2546 //biosA0[0xaf] = psxBios_sys_a0_af;
2547 //biosA0[0xb0] = psxBios_sys_a0_b0;
2548 //biosA0[0xb1] = psxBios_sys_a0_b1;
2549 //biosA0[0xb2] = psxBios_do_a_long_jmp
2550 //biosA0[0xb3] = psxBios_sys_a0_b3;
2551 //biosA0[0xb4] = psxBios_sub_function;
2552//*******************B0 CALLS****************************
2553 //biosB0[0x00] = psxBios_SysMalloc;
2554 //biosB0[0x01] = psxBios_sys_b0_01;
2555 biosB0[0x02] = psxBios_SetRCnt;
2556 biosB0[0x03] = psxBios_GetRCnt;
2557 biosB0[0x04] = psxBios_StartRCnt;
2558 biosB0[0x05] = psxBios_StopRCnt;
2559 biosB0[0x06] = psxBios_ResetRCnt;
2560 biosB0[0x07] = psxBios_DeliverEvent;
2561 biosB0[0x08] = psxBios_OpenEvent;
2562 biosB0[0x09] = psxBios_CloseEvent;
2563 biosB0[0x0a] = psxBios_WaitEvent;
2564 biosB0[0x0b] = psxBios_TestEvent;
2565 biosB0[0x0c] = psxBios_EnableEvent;
2566 biosB0[0x0d] = psxBios_DisableEvent;
2567 biosB0[0x0e] = psxBios_OpenTh;
2568 biosB0[0x0f] = psxBios_CloseTh;
2569 biosB0[0x10] = psxBios_ChangeTh;
2570 //biosB0[0x11] = psxBios_psxBios_b0_11;
2571 biosB0[0x12] = psxBios_InitPAD;
2572 biosB0[0x13] = psxBios_StartPAD;
2573 biosB0[0x14] = psxBios_StopPAD;
2574 biosB0[0x15] = psxBios_PAD_init;
2575 biosB0[0x16] = psxBios_PAD_dr;
2576 biosB0[0x17] = psxBios_ReturnFromException;
2577 biosB0[0x18] = psxBios_ResetEntryInt;
2578 biosB0[0x19] = psxBios_HookEntryInt;
2579 //biosB0[0x1a] = psxBios_sys_b0_1a;
2580 //biosB0[0x1b] = psxBios_sys_b0_1b;
2581 //biosB0[0x1c] = psxBios_sys_b0_1c;
2582 //biosB0[0x1d] = psxBios_sys_b0_1d;
2583 //biosB0[0x1e] = psxBios_sys_b0_1e;
2584 //biosB0[0x1f] = psxBios_sys_b0_1f;
2585 biosB0[0x20] = psxBios_UnDeliverEvent;
2586 //biosB0[0x21] = psxBios_sys_b0_21;
2587 //biosB0[0x22] = psxBios_sys_b0_22;
2588 //biosB0[0x23] = psxBios_sys_b0_23;
2589 //biosB0[0x24] = psxBios_sys_b0_24;
2590 //biosB0[0x25] = psxBios_sys_b0_25;
2591 //biosB0[0x26] = psxBios_sys_b0_26;
2592 //biosB0[0x27] = psxBios_sys_b0_27;
2593 //biosB0[0x28] = psxBios_sys_b0_28;
2594 //biosB0[0x29] = psxBios_sys_b0_29;
2595 //biosB0[0x2a] = psxBios_sys_b0_2a;
2596 //biosB0[0x2b] = psxBios_sys_b0_2b;
2597 //biosB0[0x2c] = psxBios_sys_b0_2c;
2598 //biosB0[0x2d] = psxBios_sys_b0_2d;
2599 //biosB0[0x2e] = psxBios_sys_b0_2e;
2600 //biosB0[0x2f] = psxBios_sys_b0_2f;
2601 //biosB0[0x30] = psxBios_sys_b0_30;
2602 //biosB0[0x31] = psxBios_sys_b0_31;
2603 biosB0[0x32] = psxBios_open;
2604 biosB0[0x33] = psxBios_lseek;
2605 biosB0[0x34] = psxBios_read;
2606 biosB0[0x35] = psxBios_write;
2607 biosB0[0x36] = psxBios_close;
2608 //biosB0[0x37] = psxBios_ioctl;
2609 //biosB0[0x38] = psxBios_exit;
2610 //biosB0[0x39] = psxBios_sys_b0_39;
2611 //biosB0[0x3a] = psxBios_getc;
2612 //biosB0[0x3b] = psxBios_putc;
2613 biosB0[0x3c] = psxBios_getchar;
2614 //biosB0[0x3e] = psxBios_gets;
2615 //biosB0[0x40] = psxBios_cd;
e7e1f572 2616 biosB0[0x41] = psxBios_format;
ef79bbde
P		 2617 biosB0[0x42] = psxBios_firstfile;
2618 biosB0[0x43] = psxBios_nextfile;
2619 biosB0[0x44] = psxBios_rename;
2620 biosB0[0x45] = psxBios_delete;
2621 //biosB0[0x46] = psxBios_undelete;
2622 //biosB0[0x47] = psxBios_AddDevice;
2623 //biosB0[0x48] = psxBios_RemoteDevice;
2624 //biosB0[0x49] = psxBios_PrintInstalledDevices;
2625 biosB0[0x4a] = psxBios_InitCARD;
2626 biosB0[0x4b] = psxBios_StartCARD;
2627 biosB0[0x4c] = psxBios_StopCARD;
2628 //biosB0[0x4d] = psxBios_sys_b0_4d;
2629 biosB0[0x4e] = psxBios__card_write;
2630 biosB0[0x4f] = psxBios__card_read;
2631 biosB0[0x50] = psxBios__new_card;
2632 biosB0[0x51] = psxBios_Krom2RawAdd;
2633 //biosB0[0x52] = psxBios_sys_b0_52;
2634 //biosB0[0x53] = psxBios_sys_b0_53;
2635 //biosB0[0x54] = psxBios__get_errno;
2636 //biosB0[0x55] = psxBios__get_error;
2637 biosB0[0x56] = psxBios_GetC0Table;
2638 biosB0[0x57] = psxBios_GetB0Table;
e9fda093 2639 biosB0[0x58] = psxBios__card_chan;
ef79bbde
P		 2640 //biosB0[0x59] = psxBios_sys_b0_59;
2641 //biosB0[0x5a] = psxBios_sys_b0_5a;
2642 biosB0[0x5b] = psxBios_ChangeClearPad;
2643 //biosB0[0x5c] = psxBios__card_status;
2644 //biosB0[0x5d] = psxBios__card_wait;
2645//*******************C0 CALLS****************************
2646 //biosC0[0x00] = psxBios_InitRCnt;
2647 //biosC0[0x01] = psxBios_InitException;
2648 biosC0[0x02] = psxBios_SysEnqIntRP;
2649 biosC0[0x03] = psxBios_SysDeqIntRP;
2650 //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2651 //biosC0[0x05] = psxBios_get_free_TCB_slot;
2652 //biosC0[0x06] = psxBios_ExceptionHandler;
2653 //biosC0[0x07] = psxBios_InstallExeptionHandler;
2654 //biosC0[0x08] = psxBios_SysInitMemory;
2655 //biosC0[0x09] = psxBios_SysInitKMem;
2656 biosC0[0x0a] = psxBios_ChangeClearRCnt;
2657 //biosC0[0x0b] = psxBios_SystemError;
2658 //biosC0[0x0c] = psxBios_InitDefInt;
2659 //biosC0[0x0d] = psxBios_sys_c0_0d;
2660 //biosC0[0x0e] = psxBios_sys_c0_0e;
2661 //biosC0[0x0f] = psxBios_sys_c0_0f;
2662 //biosC0[0x10] = psxBios_sys_c0_10;
2663 //biosC0[0x11] = psxBios_sys_c0_11;
2664 //biosC0[0x12] = psxBios_InstallDevices;
2665 //biosC0[0x13] = psxBios_FlushStfInOutPut;
2666 //biosC0[0x14] = psxBios_sys_c0_14;
2667 //biosC0[0x15] = psxBios__cdevinput;
2668 //biosC0[0x16] = psxBios__cdevscan;
2669 //biosC0[0x17] = psxBios__circgetc;
2670 //biosC0[0x18] = psxBios__circputc;
2671 //biosC0[0x19] = psxBios_ioabort;
2672 //biosC0[0x1a] = psxBios_sys_c0_1a
2673 //biosC0[0x1b] = psxBios_KernelRedirect;
2674 //biosC0[0x1c] = psxBios_PatchAOTable;
2675//************** THE END ***************************************
2676/**/
2677 base = 0x1000;
2678 size = sizeof(EvCB) * 32;
2679 Event = (void *)&psxR[base]; base += size * 6;
2680 memset(Event, 0, size * 6);
2681 HwEV = Event;
2682 EvEV = Event + 32;
2683 RcEV = Event + 32 * 2;
2684 UeEV = Event + 32 * 3;
2685 SwEV = Event + 32 * 4;
2686 ThEV = Event + 32 * 5;
2687
2688 ptr = (u32 *)&psxM[0x0874]; // b0 table
2689 ptr[0] = SWAPu32(0x4c54 - 0x884);
2690
2691 ptr = (u32 *)&psxM[0x0674]; // c0 table
2692 ptr[6] = SWAPu32(0xc80);
2693
2694 memset(SysIntRP, 0, sizeof(SysIntRP));
2695 memset(Thread, 0, sizeof(Thread));
2696 Thread[0].status = 2; // main thread
2697
c62b43c9 2698 jmp_int = NULL;
2699 pad_buf = NULL;
2700 pad_buf1 = NULL;
2701 pad_buf2 = NULL;
2702 pad_buf1len = pad_buf2len = 0;
2703 heap_addr = NULL;
2704 heap_end = NULL;
2705 CardState = -1;
2706 CurThread = 0;
2707 memset(FDesc, 0, sizeof(FDesc));
2708
ef79bbde
P		 2709 psxMu32ref(0x0150) = SWAPu32(0x160);
2710 psxMu32ref(0x0154) = SWAPu32(0x320);
2711 psxMu32ref(0x0160) = SWAPu32(0x248);
2712 strcpy((char *)&psxM[0x248], "bu");
2713/* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
2714 psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
2715 psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
2716 psxMu32ref(0x09e0) = SWAPu32(0x43d0);
2717 psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
2718*/
2719 // opcode HLE
2720 psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
2721 psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
2722 psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
2723 psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
2724 psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
2725 psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
2726 psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
2727 psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
2728 psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
2729 psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
2730
2731 // initial stack pointer for BIOS interrupt
2732 psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
2733
2734 // initial RNG seed
2735 psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
2736
2737 // fonts
2738 len = 0x80000 - 0x66000;
2739 uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
2740 len = 0x80000 - 0x69d68;
2741 uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
2742
2743 // memory size 2 MB
2744 psxHu32ref(0x1060) = SWAPu32(0x00000b88);
2745
2746 hleSoftCall = FALSE;
2747}
2748
2749void psxBiosShutdown() {
2750}
2751
2752#define psxBios_PADpoll(pad) { \
2753 PAD##pad##_startPoll(pad); \
2754 pad_buf##pad[0] = 0; \
2755 pad_buf##pad[1] = PAD##pad##_poll(0x42); \
2756 if (!(pad_buf##pad[1] & 0x0f)) { \
2757 bufcount = 32; \
2758 } else { \
2759 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
2760 } \
2761 PAD##pad##_poll(0); \
2762 i = 2; \
2763 while (bufcount--) { \
2764 pad_buf##pad[i++] = PAD##pad##_poll(0); \
2765 } \
2766}
2767
2768void biosInterrupt() {
2769 int i, bufcount;
2770
2771// if (psxHu32(0x1070) & 0x1) { // Vsync
2772 if (pad_buf != NULL) {
2773 u32 *buf = (u32*)pad_buf;
2774
2775 if (!Config.UseNet) {
2776 PAD1_startPoll(1);
2777 if (PAD1_poll(0x42) == 0x23) {
2778 PAD1_poll(0);
2779 *buf = PAD1_poll(0) << 8;
2780 *buf |= PAD1_poll(0);
2781 PAD1_poll(0);
2782 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
2783 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
2784 } else {
2785 PAD1_poll(0);
2786 *buf = PAD1_poll(0) << 8;
2787 *buf|= PAD1_poll(0);
2788 }
2789
2790 PAD2_startPoll(2);
2791 if (PAD2_poll(0x42) == 0x23) {
2792 PAD2_poll(0);
2793 *buf |= PAD2_poll(0) << 24;
2794 *buf |= PAD2_poll(0) << 16;
2795 PAD2_poll(0);
2796 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
2797 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
2798 } else {
2799 PAD2_poll(0);
2800 *buf |= PAD2_poll(0) << 24;
2801 *buf |= PAD2_poll(0) << 16;
2802 }
2803 } else {
2804 u16 data;
2805
2806 PAD1_startPoll(1);
2807 PAD1_poll(0x42);
2808 PAD1_poll(0);
2809 data = PAD1_poll(0) << 8;
2810 data |= PAD1_poll(0);
2811
2812 if (NET_sendPadData(&data, 2) == -1)
2813 netError();
2814
2815 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
2816 netError();
2817 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
2818 netError();
2819 }
2820 }
2821 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
2822 psxBios_PADpoll(1);
2823
2824 if (NET_sendPadData(pad_buf1, i) == -1)
2825 netError();
2826
2827 if (NET_recvPadData(pad_buf1, 1) == -1)
2828 netError();
2829 if (NET_recvPadData(pad_buf2, 2) == -1)
2830 netError();
2831 } else {
2832 if (pad_buf1) {
2833 psxBios_PADpoll(1);
2834 }
2835
2836 if (pad_buf2) {
2837 psxBios_PADpoll(2);
2838 }
2839 }
2840
2841 if (psxHu32(0x1070) & 0x1) { // Vsync
2842 if (RcEV[3][1].status == EvStACTIVE) {
2843 softCall(RcEV[3][1].fhandler);
2844// hwWrite32(0x1f801070, ~(1));
2845 }
2846 }
2847
2848 if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
2849 int i;
2850
2851 for (i = 0; i < 3; i++) {
2852 if (psxHu32(0x1070) & (1 << (i + 4))) {
2853 if (RcEV[i][1].status == EvStACTIVE) {
2854 softCall(RcEV[i][1].fhandler);
2855 }
2856 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
2857 }
2858 }
2859 }
2860}
2861
2862void psxBiosException() {
2863 int i;
2864
2865 switch (psxRegs.CP0.n.Cause & 0x3c) {
2866 case 0x00: // Interrupt
2867#ifdef PSXCPU_LOG
2868// PSXCPU_LOG("interrupt\n");
2869#endif
2870 SaveRegs();
2871
2872 sp = psxMu32(0x6c80); // create new stack for interrupt handlers
2873
2874 biosInterrupt();
2875
2876 for (i = 0; i < 8; i++) {
2877 if (SysIntRP[i]) {
2878 u32 *queue = (u32 *)PSXM(SysIntRP[i]);
2879
2880 s0 = queue[2];
2881 softCall(queue[1]);
2882 }
2883 }
2884
2885 if (jmp_int != NULL) {
2886 int i;
2887
2888 psxHwWrite32(0x1f801070, 0xffffffff);
2889
2890 ra = jmp_int[0];
2891 sp = jmp_int[1];
2892 fp = jmp_int[2];
2893 for (i = 0; i < 8; i++) // s0-s7
2894 psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
2895 gp = jmp_int[11];
2896
2897 v0 = 1;
2898 pc0 = ra;
2899 return;
2900 }
2901 psxHwWrite16(0x1f801070, 0);
2902 break;
2903
2904 case 0x20: // Syscall
2905#ifdef PSXCPU_LOG
2906 PSXCPU_LOG("syscall exp %x\n", a0);
2907#endif
2908 switch (a0) {
2909 case 1: // EnterCritical - disable irq's
79dad1b3 2910 /* Fixes Medievil 2 not loading up new game, Digimon World not booting up and possibly others */
2911 v0 = (psxRegs.CP0.n.Status & 0x404) == 0x404;
2912 psxRegs.CP0.n.Status &= ~0x404;
ef79bbde
P		 2913 break;
2914
2915 case 2: // ExitCritical - enable irq's
2916 psxRegs.CP0.n.Status |= 0x404;
2917 break;
2918 }
2919 pc0 = psxRegs.CP0.n.EPC + 4;
2920
2921 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2922 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2923 return;
2924
2925 default:
2926#ifdef PSXCPU_LOG
2927 PSXCPU_LOG("unknown bios exception!\n");
2928#endif
2929 break;
2930 }
2931
2932 pc0 = psxRegs.CP0.n.EPC;
2933 if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
2934
2935 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2936 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2937}
2938
2939#define bfreeze(ptr, size) { \
2940 if (Mode == 1) memcpy(&psxR[base], ptr, size); \
2941 if (Mode == 0) memcpy(ptr, &psxR[base], size); \
2942 base += size; \
2943}
2944
2945#define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
2946#define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
2947
2948#define bfreezepsxMptr(ptr, type) { \
2949 if (Mode == 1) { \
2950 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
2951 else psxRu32ref(base) = 0; \
2952 } else { \
2953 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
2954 else (ptr) = NULL; \
2955 } \
2956 base += sizeof(u32); \
2957}
2958
2959void psxBiosFreeze(int Mode) {
2960 u32 base = 0x40000;
2961
2962 bfreezepsxMptr(jmp_int, u32);
2963 bfreezepsxMptr(pad_buf, int);
2964 bfreezepsxMptr(pad_buf1, char);
2965 bfreezepsxMptr(pad_buf2, char);
2966 bfreezepsxMptr(heap_addr, u32);
2967 bfreezel(&pad_buf1len);
2968 bfreezel(&pad_buf2len);
2969 bfreezes(regs);
2970 bfreezes(SysIntRP);
2971 bfreezel(&CardState);
2972 bfreezes(Thread);
2973 bfreezel(&CurThread);
2974 bfreezes(FDesc);
e9fda093 2975 bfreezel(&card_active_chan);
ef79bbde 2976}
ARM optimized PCSX fork