1 /***************************************************************************
2 * Copyright (C) 2019 Ryan Schultz, PCSX-df Team, PCSX team, gameblabla, *
3 * dmitrysmagin, senquack *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. *
19 ***************************************************************************/
21 /* Gameblabla 2018-2019 :
22 * Numerous changes to bios calls as well as improvements in order to conform to nocash's findings
23 * for the PSX bios calls. Thanks senquack for helping out with some of the changes
24 * and helping to spot issues and refine my patches.
28 * Internal simulated HLE BIOS.
31 // TODO: implement all system calls, count the exact CPU cycles of system calls.
40 #define SysPrintf if (Config.PsxOut) printf
42 char *biosA0n[256] = {
44 "open", "lseek", "read", "write",
45 "close", "ioctl", "exit", "sys_a0_07",
46 "getc", "putc", "todigit", "atof",
47 "strtoul", "strtol", "abs", "labs",
49 "atoi", "atol", "atob", "setjmp",
50 "longjmp", "strcat", "strncat", "strcmp",
51 "strncmp", "strcpy", "strncpy", "strlen",
52 "index", "rindex", "strchr", "strrchr",
54 "strpbrk", "strspn", "strcspn", "strtok",
55 "strstr", "toupper", "tolower", "bcopy",
56 "bzero", "bcmp", "memcpy", "memset",
57 "memmove", "memcmp", "memchr", "rand",
59 "srand", "qsort", "strtod", "malloc",
60 "free", "lsearch", "bsearch", "calloc",
61 "realloc", "InitHeap", "_exit", "getchar",
62 "putchar", "gets", "puts", "printf",
64 "sys_a0_40", "LoadTest", "Load", "Exec",
65 "FlushCache", "InstallInterruptHandler", "GPU_dw", "mem2vram",
66 "SendGPUStatus", "GPU_cw", "GPU_cwb", "SendPackets",
67 "sys_a0_4c", "GetGPUStatus", "GPU_sync", "sys_a0_4f",
69 "sys_a0_50", "LoadExec", "GetSysSp", "sys_a0_53",
70 "_96_init()", "_bu_init()", "_96_remove()", "sys_a0_57",
71 "sys_a0_58", "sys_a0_59", "sys_a0_5a", "dev_tty_init",
72 "dev_tty_open", "sys_a0_5d", "dev_tty_ioctl","dev_cd_open",
74 "dev_cd_read", "dev_cd_close", "dev_cd_firstfile", "dev_cd_nextfile",
75 "dev_cd_chdir", "dev_card_open", "dev_card_read", "dev_card_write",
76 "dev_card_close", "dev_card_firstfile", "dev_card_nextfile","dev_card_erase",
77 "dev_card_undelete","dev_card_format", "dev_card_rename", "dev_card_6f",
79 "_bu_init", "_96_init", "_96_remove", "sys_a0_73",
80 "sys_a0_74", "sys_a0_75", "sys_a0_76", "sys_a0_77",
81 "_96_CdSeekL", "sys_a0_79", "sys_a0_7a", "sys_a0_7b",
82 "_96_CdGetStatus", "sys_a0_7d", "_96_CdRead", "sys_a0_7f",
84 "sys_a0_80", "sys_a0_81", "sys_a0_82", "sys_a0_83",
85 "sys_a0_84", "_96_CdStop", "sys_a0_86", "sys_a0_87",
86 "sys_a0_88", "sys_a0_89", "sys_a0_8a", "sys_a0_8b",
87 "sys_a0_8c", "sys_a0_8d", "sys_a0_8e", "sys_a0_8f",
89 "sys_a0_90", "sys_a0_91", "sys_a0_92", "sys_a0_93",
90 "sys_a0_94", "sys_a0_95", "AddCDROMDevice", "AddMemCardDevide",
91 "DisableKernelIORedirection", "EnableKernelIORedirection", "sys_a0_9a", "sys_a0_9b",
92 "SetConf", "GetConf", "sys_a0_9e", "SetMem",
94 "_boot", "SystemError", "EnqueueCdIntr", "DequeueCdIntr",
95 "sys_a0_a4", "ReadSector", "get_cd_status", "bufs_cb_0",
96 "bufs_cb_1", "bufs_cb_2", "bufs_cb_3", "_card_info",
97 "_card_load", "_card_auto", "bufs_cd_4", "sys_a0_af",
99 "sys_a0_b0", "sys_a0_b1", "do_a_long_jmp", "sys_a0_b3",
103 char *biosB0n[256] = {
105 "SysMalloc", "sys_b0_01", "sys_b0_02", "sys_b0_03",
106 "sys_b0_04", "sys_b0_05", "sys_b0_06", "DeliverEvent",
107 "OpenEvent", "CloseEvent", "WaitEvent", "TestEvent",
108 "EnableEvent", "DisableEvent", "OpenTh", "CloseTh",
110 "ChangeTh", "sys_b0_11", "InitPAD", "StartPAD",
111 "StopPAD", "PAD_init", "PAD_dr", "ReturnFromExecption",
112 "ResetEntryInt", "HookEntryInt", "sys_b0_1a", "sys_b0_1b",
113 "sys_b0_1c", "sys_b0_1d", "sys_b0_1e", "sys_b0_1f",
115 "UnDeliverEvent", "sys_b0_21", "sys_b0_22", "sys_b0_23",
116 "sys_b0_24", "sys_b0_25", "sys_b0_26", "sys_b0_27",
117 "sys_b0_28", "sys_b0_29", "sys_b0_2a", "sys_b0_2b",
118 "sys_b0_2c", "sys_b0_2d", "sys_b0_2e", "sys_b0_2f",
120 "sys_b0_30", "sys_b0_31", "open", "lseek",
121 "read", "write", "close", "ioctl",
122 "exit", "sys_b0_39", "getc", "putc",
123 "getchar", "putchar", "gets", "puts",
125 "cd", "format", "firstfile", "nextfile",
126 "rename", "delete", "undelete", "AddDevice",
127 "RemoteDevice", "PrintInstalledDevices", "InitCARD", "StartCARD",
128 "StopCARD", "sys_b0_4d", "_card_write", "_card_read",
130 "_new_card", "Krom2RawAdd", "sys_b0_52", "sys_b0_53",
131 "_get_errno", "_get_error", "GetC0Table", "GetB0Table",
132 "_card_chan", "sys_b0_59", "sys_b0_5a", "ChangeClearPAD",
133 "_card_status", "_card_wait",
136 char *biosC0n[256] = {
138 "InitRCnt", "InitException", "SysEnqIntRP", "SysDeqIntRP",
139 "get_free_EvCB_slot", "get_free_TCB_slot", "ExceptionHandler", "InstallExeptionHandler",
140 "SysInitMemory", "SysInitKMem", "ChangeClearRCnt", "SystemError",
141 "InitDefInt", "sys_c0_0d", "sys_c0_0e", "sys_c0_0f",
143 "sys_c0_10", "sys_c0_11", "InstallDevices", "FlushStfInOutPut",
144 "sys_c0_14", "_cdevinput", "_cdevscan", "_circgetc",
145 "_circputc", "ioabort", "sys_c0_1a", "KernelRedirect",
149 //#define r0 (psxRegs.GPR.n.r0)
150 #define at (psxRegs.GPR.n.at)
151 #define v0 (psxRegs.GPR.n.v0)
152 #define v1 (psxRegs.GPR.n.v1)
153 #define a0 (psxRegs.GPR.n.a0)
154 #define a1 (psxRegs.GPR.n.a1)
155 #define a2 (psxRegs.GPR.n.a2)
156 #define a3 (psxRegs.GPR.n.a3)
157 #define t0 (psxRegs.GPR.n.t0)
158 #define t1 (psxRegs.GPR.n.t1)
159 #define t2 (psxRegs.GPR.n.t2)
160 #define t3 (psxRegs.GPR.n.t3)
161 #define t4 (psxRegs.GPR.n.t4)
162 #define t5 (psxRegs.GPR.n.t5)
163 #define t6 (psxRegs.GPR.n.t6)
164 #define t7 (psxRegs.GPR.n.t7)
165 #define t8 (psxRegs.GPR.n.t8)
166 #define t9 (psxRegs.GPR.n.t9)
167 #define s0 (psxRegs.GPR.n.s0)
168 #define s1 (psxRegs.GPR.n.s1)
169 #define s2 (psxRegs.GPR.n.s2)
170 #define s3 (psxRegs.GPR.n.s3)
171 #define s4 (psxRegs.GPR.n.s4)
172 #define s5 (psxRegs.GPR.n.s5)
173 #define s6 (psxRegs.GPR.n.s6)
174 #define s7 (psxRegs.GPR.n.s7)
175 #define k0 (psxRegs.GPR.n.k0)
176 #define k1 (psxRegs.GPR.n.k1)
177 #define gp (psxRegs.GPR.n.gp)
178 #define sp (psxRegs.GPR.n.sp)
179 #define fp (psxRegs.GPR.n.s8)
180 #define ra (psxRegs.GPR.n.ra)
181 #define pc0 (psxRegs.pc)
183 #define Ra0 ((char *)PSXM(a0))
184 #define Ra1 ((char *)PSXM(a1))
185 #define Ra2 ((char *)PSXM(a2))
186 #define Ra3 ((char *)PSXM(a3))
187 #define Rv0 ((char *)PSXM(v0))
188 #define Rsp ((char *)PSXM(sp))
197 #define EvStUNUSED 0x0000
198 #define EvStWAIT 0x1000
199 #define EvStACTIVE 0x2000
200 #define EvStALREADY 0x4000
202 #define EvMdINTR 0x1000
203 #define EvMdNOINTR 0x2000
232 u32 _sp, _fp, _gp, ret, base;
252 static u32 *jmp_int = NULL;
253 static int *pad_buf = NULL;
254 static char *pad_buf1 = NULL, *pad_buf2 = NULL;
255 static int pad_buf1len, pad_buf2len;
256 static int pad_stopped = 0;
260 static EvCB *HwEV; // 0xf0
261 static EvCB *EvEV; // 0xf1
262 static EvCB *RcEV; // 0xf2
263 static EvCB *UeEV; // 0xf3
264 static EvCB *SwEV; // 0xf4
265 static EvCB *ThEV; // 0xff
266 static u32 heap_size = 0;
267 static u32 *heap_addr = NULL;
268 static u32 *heap_end = NULL;
269 static u32 SysIntRP[8];
270 static int CardState = -1;
271 static TCB Thread[8];
272 static int CurThread = 0;
273 static FileDesc FDesc[32];
274 static u32 card_active_chan = 0;
276 boolean hleSoftCall = FALSE;
278 static inline void softCall(u32 pc) {
284 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
289 static inline void softCall2(u32 pc) {
296 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
302 static inline void DeliverEvent(u32 ev, u32 spec) {
303 if (Event[ev][spec].status != EvStACTIVE) return;
305 // Event[ev][spec].status = EvStALREADY;
306 if (Event[ev][spec].mode == EvMdINTR) {
307 softCall2(Event[ev][spec].fhandler);
308 } else Event[ev][spec].status = EvStALREADY;
311 static unsigned interrupt_r26=0x8004E8B0;
313 static inline void SaveRegs() {
314 memcpy(regs, psxRegs.GPR.r, 32*4);
315 regs[32] = psxRegs.GPR.n.lo;
316 regs[33] = psxRegs.GPR.n.hi;
317 regs[34] = psxRegs.pc;
320 static inline void LoadRegs() {
321 memcpy(psxRegs.GPR.r, regs, 32*4);
322 psxRegs.GPR.n.lo = regs[32];
323 psxRegs.GPR.n.hi = regs[33];
329 // System calls A0 */
332 #define buread(Ra1, mcd, length) { \
333 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); \
334 ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
335 memcpy(Ra1, ptr, length); \
336 if (FDesc[1 + mcd].mode & 0x8000) { \
337 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
338 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
341 FDesc[1 + mcd].offset += v0; \
344 #define buwrite(Ra1, mcd, length) { \
345 u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
346 SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \
347 ptr = Mcd##mcd##Data + offset; \
348 memcpy(ptr, Ra1, length); \
349 FDesc[1 + mcd].offset += length; \
350 if (FDesc[1 + mcd].mode & 0x8000) { \
351 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
352 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
358 /* Internally redirects to "FileRead(fd,tempbuf,1)".*/
359 /* For some strange reason, the returned character is sign-expanded; */
360 /* So if a return value of FFFFFFFFh could mean either character FFh, or error. */
361 /* TODO FIX ME : Properly implement this behaviour */
362 void psxBios_getc(void) // 0x03, 0x35
367 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x03]);
373 case 2: buread(pa1, 1, 1); break;
374 case 3: buread(pa1, 2, 1); break;
381 /* Copy of psxBios_write, except size is 1. */
382 void psxBios_putc(void) // 0x09, 0x3B
387 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x09]);
395 if (a0 == 1) { // stdout
396 char *ptr = (char *)pa1;
400 printf("%c", *ptr++); a2--;
406 case 2: buwrite(pa1, 1, 1); break;
407 case 3: buwrite(pa1, 2, 1); break;
413 void psxBios_todigit(void) // 0x0a
417 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x0a]);
420 if (c >= 0x30 && c < 0x3A) {
423 else if (c > 0x60 && c < 0x7B) {
426 else if (c > 0x40 && c < 0x5B) {
429 else if (c >= 0x80) {
440 void psxBios_abs() { // 0x0e
441 if ((s32)a0 < 0) v0 = -(s32)a0;
446 void psxBios_labs() { // 0x0f
450 void psxBios_atoi() { // 0x10
452 char *p = (char *)Ra0;
456 case ' ': case '\t': continue;
463 while (*p >= '0' && *p <= '9') {
464 n = n * 10 + *p++ - '0';
471 void psxBios_atol() { // 0x11
475 void psxBios_setjmp() { // 0x13
476 u32 *jmp_buf = (u32 *)Ra0;
480 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]);
486 for (i = 0; i < 8; i++) // s0-s7
487 jmp_buf[3 + i] = psxRegs.GPR.r[16 + i];
493 void psxBios_longjmp() { // 0x14
494 u32 *jmp_buf = (u32 *)Ra0;
498 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]);
501 ra = jmp_buf[0]; /* ra */
502 sp = jmp_buf[1]; /* sp */
503 fp = jmp_buf[2]; /* fp */
504 for (i = 0; i < 8; i++) // s0-s7
505 psxRegs.GPR.r[16 + i] = jmp_buf[3 + i];
506 gp = jmp_buf[11]; /* gp */
511 void psxBios_strcat() { // 0x15
512 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
515 PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1);
517 if (a0 == 0 || a1 == 0)
525 while ((*p1++ = *p2++) != '\0');
530 void psxBios_strncat() { // 0x16
531 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
535 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2);
537 if (a0 == 0 || a1 == 0)
545 while ((*p1++ = *p2++) != '\0') {
555 void psxBios_strcmp() { // 0x17
556 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
558 if (a0 == 0 && a1 == 0)
564 else if (a0 == 0 && a1 != 0)
570 else if (a0 != 0 && a1 == 0)
577 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1);
580 while (*p1 == *p2++) {
599 void psxBios_strncmp() { // 0x18
600 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
602 if (a0 == 0 && a1 == 0)
608 else if (a0 == 0 && a1 != 0)
614 else if (a0 != 0 && a1 == 0)
621 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2);
624 while (--n >= 0 && *p1 == *p2++) {
628 v1 = a2 - ((a2-n) - 1);
636 v0 = (n < 0 ? 0 : *p1 - *--p2);
638 v1 = a2 - ((a2-n) - 1);
644 void psxBios_strcpy() { // 0x19
645 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
646 if (a0 == 0 || a1 == 0)
652 while ((*p1++ = *p2++) != '\0');
657 void psxBios_strncpy() { // 0x1a
658 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
660 if (a0 == 0 || a1 == 0)
666 for (i = 0; i < n; i++) {
667 if ((*p1++ = *p2++) == '\0') {
679 void psxBios_strlen() { // 0x1b
680 char *p = (char *)Ra0;
691 void psxBios_index() { // 0x1c
692 char *p = (char *)Ra0;
702 v0 = a0 + (p - (char *)Ra0);
706 } while (*p++ != '\0');
711 void psxBios_rindex() { // 0x1d
712 char *p = (char *)Ra0;
722 v0 = a0 + (p - (char *)Ra0);
723 } while (*p++ != '\0');
728 void psxBios_strchr() { // 0x1e
732 void psxBios_strrchr() { // 0x1f
736 void psxBios_strpbrk() { // 0x20
737 char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc;
739 while ((c = *p1++) != '\0') {
740 for (scanp = p2; (sc = *scanp++) != '\0';) {
742 v0 = a0 + (p1 - 1 - (char *)Ra0);
749 // BUG: return a0 instead of NULL if not found
753 void psxBios_strspn() { // 0x21
756 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
757 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
758 if (*p2 == '\0') break;
761 v0 = p1 - (char *)Ra0; pc0 = ra;
764 void psxBios_strcspn() { // 0x22
767 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
768 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
769 if (*p2 != '\0') break;
772 v0 = p1 - (char *)Ra0; pc0 = ra;
775 void psxBios_strtok() { // 0x23
776 char *pcA0 = (char *)Ra0;
777 char *pcRet = strtok(pcA0, (char *)Ra1);
779 v0 = a0 + pcRet - pcA0;
785 void psxBios_strstr() { // 0x24
786 char *p = (char *)Ra0, *p1, *p2;
792 while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) {
797 v0 = a0 + (p - (char *)Ra0);
808 void psxBios_toupper() { // 0x25
809 v0 = (s8)(a0 & 0xff);
810 if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A';
814 void psxBios_tolower() { // 0x26
815 v0 = (s8)(a0 & 0xff);
816 if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A';
820 void psxBios_bcopy() { // 0x27
821 char *p1 = (char *)Ra1, *p2 = (char *)Ra0;
823 if (a0 == 0 || a2 > 0x7FFFFFFF)
828 while ((s32)a2-- > 0) *p1++ = *p2++;
833 void psxBios_bzero() { // 0x28
834 char *p = (char *)Ra0;
836 /* Same as memset here (See memset below) */
837 if (a1 > 0x7FFFFFFF || a1 == 0)
848 while ((s32)a1-- > 0) *p++ = '\0';
853 void psxBios_bcmp() { // 0x29
854 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
856 if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; }
858 while ((s32)a2-- > 0) {
859 if (*p1++ != *p2++) {
860 v0 = *p1 - *p2; // BUG: compare the NEXT byte
869 void psxBios_memcpy() { // 0x2a
870 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
872 if (a0 == 0 || a2 > 0x7FFFFFFF)
877 while ((s32)a2-- > 0) {
884 void psxBios_memset() { // 0x2b
885 char *p = (char *)Ra0;
887 if (a2 > 0x7FFFFFFF || a2 == 0)
898 while ((s32)a2-- > 0) *p++ = (char)a1;
903 void psxBios_memmove() { // 0x2c
904 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
906 if (a0 == 0 || a2 > 0x7FFFFFFF)
911 if (p2 <= p1 && p2 + a2 > p1) {
912 a2++; // BUG: copy one more byte here
915 while ((s32)a2-- > 0) *--p1 = *--p2;
917 while ((s32)a2-- > 0) *p1++ = *p2++;
922 void psxBios_memcmp() { // 0x2d
926 void psxBios_memchr() { // 0x2e
927 char *p = (char *)Ra0;
929 if (a0 == 0 || a2 > 0x7FFFFFFF)
935 while ((s32)a2-- > 0) {
936 if (*p++ != (s8)a1) continue;
937 v0 = a0 + (p - (char *)Ra0 - 1);
945 void psxBios_rand() { // 0x2f
946 u32 s = psxMu32(0x9010) * 1103515245 + 12345;
947 v0 = (s >> 16) & 0x7fff;
948 psxMu32ref(0x9010) = SWAPu32(s);
952 void psxBios_srand() { // 0x30
953 psxMu32ref(0x9010) = SWAPu32(a0);
957 static u32 qscmpfunc, qswidth;
959 static inline int qscmp(char *a, char *b) {
962 a0 = sa0 + (a - (char *)PSXM(sa0));
963 a1 = sa0 + (b - (char *)PSXM(sa0));
965 softCall2(qscmpfunc);
971 static inline void qexchange(char *i, char *j) {
982 static inline void q3exchange(char *i, char *j, char *k) {
994 static void qsort_main(char *a, char *l) {
995 char *i, *j, *lp, *hp;
1000 if ((n = l - a) <= qswidth)
1002 n = qswidth * (n / (2 * qswidth));
1008 if ((c = qscmp(i, lp)) == 0) {
1009 qexchange(i, lp -= qswidth);
1020 if ((c = qscmp(hp, j)) == 0) {
1021 qexchange(hp += qswidth, j);
1026 q3exchange(i, hp += qswidth, j);
1040 if (lp - a >= l - hp) {
1041 qsort_main(hp + qswidth, l);
1050 q3exchange(j, lp -= qswidth, i);
1055 void psxBios_qsort() { // 0x31
1058 qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
1063 void psxBios_malloc() { // 0x33
1064 unsigned int *chunk, *newchunk = NULL;
1065 unsigned int dsize = 0, csize, cstat;
1068 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
1070 if (!a0 || (!heap_size || !heap_addr)) {
1076 // scan through heap and combine free chunks of space
1079 while(chunk < heap_end) {
1080 // get size and status of actual chunk
1081 csize = ((u32)*chunk) & 0xfffffffc;
1082 cstat = ((u32)*chunk) & 1;
1084 // most probably broken heap descriptor
1085 // this fixes Burning Road
1088 dsize = ((uptr)heap_end - (uptr)chunk) - 4;
1093 // it's a free chunk
1098 colflag = 1; // let's begin a new collection of free memory
1100 else dsize += (csize+4); // add the new size including header
1102 // not a free chunk: did we start a collection ?
1104 if(colflag == 1) { // collection is over
1106 *newchunk = SWAP32(dsize | 1);
1111 chunk = (u32*)((uptr)chunk + csize + 4);
1113 // if neccessary free memory on end of heap
1115 *newchunk = SWAP32(dsize | 1);
1118 csize = ((u32)*chunk) & 0xfffffffc;
1119 cstat = ((u32)*chunk) & 1;
1120 dsize = (a0 + 3) & 0xfffffffc;
1122 // exit on uninitialized heap
1123 if (chunk == NULL) {
1124 printf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
1130 // search an unused chunk that is big enough until the end of the heap
1131 while ((dsize > csize || cstat==0) && chunk < heap_end ) {
1132 chunk = (u32*)((uptr)chunk + csize + 4);
1134 // catch out of memory
1135 if(chunk >= heap_end) {
1136 printf("malloc %x,%x: Out of memory error!\n",
1142 csize = ((u32)*chunk) & 0xfffffffc;
1143 cstat = ((u32)*chunk) & 1;
1147 if(dsize == csize) {
1148 // chunk has same size
1149 *chunk &= 0xfffffffc;
1150 } else if (dsize > csize) {
1155 *chunk = SWAP32(dsize);
1156 newchunk = (u32*)((uptr)chunk + dsize + 4);
1157 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
1160 // return pointer to allocated memory
1161 v0 = ((uptr)chunk - (uptr)psxM) + 4;
1163 //printf ("malloc %x,%x\n", v0, a0);
1167 void psxBios_free() { // 0x34
1170 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
1173 SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
1176 *(u32*)(Ra0-4) |= 1; // set chunk to free
1180 void psxBios_calloc() { // 0x37
1183 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
1193 void psxBios_realloc() { // 0x38
1197 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
1201 /* If "old_buf" is zero, executes malloc(new_size), and returns r2=new_buf (or 0=failed). */
1206 /* Else, if "new_size" is zero, executes free(old_buf), and returns r2=garbage. */
1211 /* Else, executes malloc(new_size), bcopy(old_buf,new_buf,new_size), and free(old_buf), and returns r2=new_buf (or 0=failed). */
1212 /* Note that it is not quite implemented this way here. */
1222 /* InitHeap(void *block , int n) */
1223 void psxBios_InitHeap() { // 0x39
1227 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
1230 if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
1235 heap_addr = (u32 *)Ra0;
1237 heap_end = (u32 *)((u8 *)heap_addr + heap_size);
1238 /* HACKFIX: Commenting out this line fixes GTA2 crash */
1239 //*heap_addr = SWAP32(size | 1);
1241 SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
1246 void psxBios_getchar() { //0x3b
1247 v0 = getchar(); pc0 = ra;
1250 void psxBios_printf() { // 0x3f
1260 memcpy(save, psp, 4 * 4);
1261 psxMu32ref(sp) = SWAP32((u32)a0);
1262 psxMu32ref(sp + 4) = SWAP32((u32)a1);
1263 psxMu32ref(sp + 8) = SWAP32((u32)a2);
1264 psxMu32ref(sp + 12) = SWAP32((u32)a3);
1276 tmp2[j++] = Ra0[i]; goto _start;
1278 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
1289 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
1293 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
1299 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
1301 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
1303 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1305 *ptmp++ = Ra0[i]; break;
1316 memcpy(psp, save, 4 * 4);
1318 SysPrintf("%s", tmp);
1323 void psxBios_format() { // 0x41
1324 if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0')
1326 CreateMcd(Config.Mcd1);
1327 LoadMcd(1, Config.Mcd1);
1330 else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0')
1332 CreateMcd(Config.Mcd2);
1333 LoadMcd(2, Config.Mcd2);
1344 * long Load(char *name, struct EXEC *header);
1347 void psxBios_Load() { // 0x42
1352 PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1356 if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) {
1357 memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC));
1365 * int Exec(struct EXEC *header , int argc , char **argv);
1368 void psxBios_Exec() { // 43
1369 EXEC *header = (EXEC*)Ra0;
1373 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1383 if (header->S_addr != 0) {
1384 tmp = header->S_addr + header->s_size;
1400 void psxBios_FlushCache() { // 44
1402 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1408 void psxBios_GPU_dw() { // 0x46
1413 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1416 GPU_writeData(0xa0000000);
1417 GPU_writeData((a1<<16)|(a0&0xffff));
1418 GPU_writeData((a3<<16)|(a2&0xffff));
1420 ptr = (s32*)PSXM(Rsp[4]); //that is correct?
1422 GPU_writeData(SWAP32(*ptr));
1429 void psxBios_mem2vram() { // 0x47
1432 GPU_writeData(0xa0000000);
1433 GPU_writeData((a1<<16)|(a0&0xffff));
1434 GPU_writeData((a3<<16)|(a2&0xffff));
1436 GPU_writeStatus(0x04000002);
1437 psxHwWrite32(0x1f8010f4,0);
1438 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1439 psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1440 psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1441 psxHwWrite32(0x1f8010a8,0x01000201);
1446 void psxBios_SendGPU() { // 0x48
1447 GPU_writeStatus(a0);
1452 void psxBios_GPU_cw() { // 0x49
1457 void psxBios_GPU_cwb() { // 0x4a
1458 s32 *ptr = (s32*)Ra0;
1461 GPU_writeData(SWAP32(*ptr));
1468 void psxBios_GPU_SendPackets() { //4b:
1469 GPU_writeStatus(0x04000002);
1470 psxHwWrite32(0x1f8010f4,0);
1471 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1472 psxHwWrite32(0x1f8010a0,a0);
1473 psxHwWrite32(0x1f8010a4,0);
1474 psxHwWrite32(0x1f8010a8,0x010000401);
1478 void psxBios_sys_a0_4c() { // 0x4c GPU relate
1479 psxHwWrite32(0x1f8010a8,0x00000401);
1480 GPU_writeData(0x0400000);
1481 GPU_writeData(0x0200000);
1482 GPU_writeData(0x0100000);
1487 void psxBios_GPU_GetGPUStatus() { // 0x4d
1488 v0 = GPU_readStatus();
1494 void psxBios_LoadExec() { // 51
1495 EXEC *header = (EXEC*)PSXM(0xf000);
1499 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1501 s_addr = a1; s_size = a2;
1506 header->S_addr = s_addr;
1507 header->s_size = s_size;
1509 a0 = 0xf000; a1 = 0; a2 = 0;
1513 void psxBios__bu_init() { // 70
1515 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1518 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1519 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1524 void psxBios__96_init() { // 71
1526 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1532 void psxBios__96_remove() { // 72
1534 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1540 void psxBios_SetMem() { // 9f
1541 u32 new = psxHu32(0x1060);
1544 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1549 psxHu32ref(0x1060) = SWAP32(new);
1550 psxMu32ref(0x060) = a0;
1551 SysPrintf("Change effective memory : %d MBytes\n",a0);
1555 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1556 psxMu32ref(0x060) = a0;
1557 SysPrintf("Change effective memory : %d MBytes\n",a0);
1560 SysPrintf("Effective memory must be 2/8 MBytes\n");
1567 /* TODO FIXME : Not compliant. -1 indicates failure but using 1 for now. */
1568 void psxBios_get_cd_status(void) //a6
1574 void psxBios__card_info() { // ab
1576 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1579 card_active_chan = a0;
1580 port = card_active_chan >> 4;
1586 if (McdDisable[port & 1])
1591 PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan);
1597 if (McdDisable[0] && McdDisable[1])
1600 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1601 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1602 DeliverEvent(0x81, ret); // 0xf4000001, 0x0004
1606 void psxBios__card_load() { // ac
1608 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1611 card_active_chan = a0;
1613 // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1614 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1619 /* System calls B0 */
1621 void psxBios_SetRCnt() { // 02
1623 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1630 psxRcntWtarget(a0, a1);
1631 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1632 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1633 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1634 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1635 else { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1637 psxRcntWmode(a0, mode);
1642 void psxBios_GetRCnt() { // 03
1644 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1648 if (a0 != 3) v0 = psxRcntRcount(a0);
1653 void psxBios_StartRCnt() { // 04
1655 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1659 if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1660 else psxHu32ref(0x1074)|= SWAPu32(0x1);
1664 void psxBios_StopRCnt() { // 05
1666 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1670 if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1671 else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1675 void psxBios_ResetRCnt() { // 06
1677 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1682 psxRcntWmode(a0, 0);
1683 psxRcntWtarget(a0, 0);
1684 psxRcntWcount(a0, 0);
1690 /* gets ev for use with Event */
1692 ev = (a0 >> 24) & 0xf; \
1693 if (ev == 0xf) ev = 0x5; \
1697 /* gets spec for use with Event */
1701 case 0x0301: spec = 16; break; \
1702 case 0x0302: spec = 17; break; \
1704 for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1708 void psxBios_DeliverEvent() { // 07
1716 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1719 DeliverEvent(ev, spec);
1724 void psxBios_OpenEvent() { // 08
1732 PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1735 Event[ev][spec].status = EvStWAIT;
1736 Event[ev][spec].mode = a2;
1737 Event[ev][spec].fhandler = a3;
1739 v0 = ev | (spec << 8);
1743 void psxBios_CloseEvent() { // 09
1747 spec = (a0 >> 8) & 0xff;
1750 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1753 Event[ev][spec].status = EvStUNUSED;
1758 void psxBios_WaitEvent() { // 0a
1762 spec = (a0 >> 8) & 0xff;
1764 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1766 if (Event[ev][spec].status == EvStUNUSED)
1773 if (Event[ev][spec].status == EvStALREADY)
1775 /* Callback events (mode=EvMdINTR) do never set the ready flag (and thus WaitEvent would hang forever). */
1776 if (!(Event[ev][spec].mode == EvMdINTR)) Event[ev][spec].status = EvStACTIVE;
1786 void psxBios_TestEvent() { // 0b
1790 spec = (a0 >> 8) & 0xff;
1792 if (Event[ev][spec].status == EvStALREADY)
1794 if (!(Event[ev][spec].mode == EvMdINTR)) Event[ev][spec].status = EvStACTIVE;
1803 PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1809 void psxBios_EnableEvent() { // 0c
1813 spec = (a0 >> 8) & 0xff;
1816 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1819 Event[ev][spec].status = EvStACTIVE;
1824 void psxBios_DisableEvent() { // 0d
1828 spec = (a0 >> 8) & 0xff;
1831 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1834 Event[ev][spec].status = EvStWAIT;
1840 * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1843 void psxBios_OpenTh() { // 0e
1846 for (th=1; th<8; th++)
1848 if (Thread[th].status == 0) break;
1852 // Feb 2019 - Added out-of-bounds fix caught by cppcheck:
1853 // When no free TCB is found, return 0xffffffff according to Nocash doc.
1855 PSXBIOS_LOG("\t%s() WARNING! No Free TCBs found!\n", __func__);
1862 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1865 Thread[th].status = 1;
1866 Thread[th].func = a0;
1867 Thread[th].reg[29] = a1;
1868 Thread[th].reg[28] = a2;
1874 * int CloseTh(long thread);
1877 void psxBios_CloseTh() { // 0f
1881 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1883 /* The return value is always 1 (even if the handle was already closed). */
1885 if (Thread[th].status != 0) {
1886 Thread[th].status = 0;
1893 * int ChangeTh(long thread);
1896 void psxBios_ChangeTh() { // 10
1900 // PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1902 /* The return value is always 1. */
1904 if (Thread[th].status == 0 || CurThread == th) {
1907 if (Thread[CurThread].status == 2) {
1908 Thread[CurThread].status = 1;
1909 Thread[CurThread].func = ra;
1910 memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1913 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1914 pc0 = Thread[th].func;
1915 Thread[th].status = 2;
1920 void psxBios_InitPAD() { // 0x12
1922 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1925 pad_buf1 = (char*)Ra0;
1927 pad_buf2 = (char*)Ra2;
1933 void psxBios_StartPAD() { // 13
1935 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1938 psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1939 psxRegs.CP0.n.Status |= 0x401;
1943 void psxBios_StopPAD() { // 14
1945 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1953 void psxBios_PAD_init() { // 15
1955 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1957 if (!(a0 == 0x20000000 || a0 == 0x20000001))
1963 psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1964 pad_buf = (int *)Ra1;
1966 psxRegs.CP0.n.Status |= 0x401;
1971 void psxBios_PAD_dr() { // 16
1973 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1979 void psxBios_ReturnFromException() { // 17
1982 pc0 = psxRegs.CP0.n.EPC;
1984 if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1986 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1987 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1990 void psxBios_ResetEntryInt() { // 18
1992 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1999 void psxBios_HookEntryInt() { // 19
2001 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
2004 jmp_int = (u32*)Ra0;
2008 void psxBios_UnDeliverEvent() { // 0x20
2016 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
2019 if (Event[ev][spec].status == EvStALREADY &&
2020 Event[ev][spec].mode == EvMdNOINTR)
2021 Event[ev][spec].status = EvStACTIVE;
2026 char ffile[64], *pfile;
2028 static void buopen(int mcd, u8 *ptr, u8 *cfg)
2033 strcpy(FDesc[1 + mcd].name, Ra0+5);
2034 FDesc[1 + mcd].offset = 0;
2035 FDesc[1 + mcd].mode = a1;
2037 for (i=1; i<16; i++) {
2039 if ((*fptr & 0xF0) != 0x50) continue;
2040 if (strcmp(FDesc[1 + mcd].name, fptr+0xa)) continue;
2041 FDesc[1 + mcd].mcfile = i;
2042 SysPrintf("open %s\n", fptr+0xa);
2046 if (a1 & 0x200 && v0 == -1) { /* FCREAT */
2048 for (i=1; i<16; i++) {
2049 int j, xor, nblk = a1 >> 16;
2053 if ((*fptr & 0xF0) != 0xa0) continue;
2055 FDesc[1 + mcd].mcfile = i;
2058 fptr[5] = 0x20 * nblk;
2061 strcpy(fptr+0xa, FDesc[1 + mcd].name);
2062 pptr = fptr2 = fptr;
2063 for(j=2; j<=nblk; j++) {
2065 for(i++; i<16; i++) {
2068 memset(fptr2, 0, 128);
2069 fptr2[0] = j < nblk ? 0x52 : 0x53;
2072 for (k=0, xor=0; k<127; k++) xor^= pptr[k];
2077 /* shouldn't this return ENOSPC if i == 16? */
2079 pptr[8] = pptr[9] = 0xff;
2080 for (j=0, xor=0; j<127; j++) xor^= pptr[j];
2082 SysPrintf("openC %s %d\n", ptr, nblk);
2084 /* just go ahead and resave them all */
2085 SaveMcd(cfg, ptr, 128, 128 * 15);
2088 /* shouldn't this return ENOSPC if i == 16? */
2093 * int open(char *name , int mode);
2096 void psxBios_open() { // 0x32
2102 PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
2108 if (!strncmp(pa0, "bu00", 4)) {
2109 buopen(1, Mcd1Data, Config.Mcd1);
2112 if (!strncmp(pa0, "bu10", 4)) {
2113 buopen(2, Mcd2Data, Config.Mcd2);
2121 * int lseek(int fd , int offset , int whence);
2124 void psxBios_lseek() { // 0x33
2126 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
2131 FDesc[a0].offset = a1;
2133 // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2134 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2138 FDesc[a0].offset+= a1;
2139 v0 = FDesc[a0].offset;
2148 * int read(int fd , void *buf , int nbytes);
2151 void psxBios_read() { // 0x34
2156 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
2163 case 2: buread(pa1, 1, a2); break;
2164 case 3: buread(pa1, 2, a2); break;
2172 * int write(int fd , void *buf , int nbytes);
2175 void psxBios_write() { // 0x35/0x03
2180 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
2189 if (a0 == 1) { // stdout
2194 SysPrintf("%c", *ptr++); a2--;
2200 case 2: buwrite(pa1, 1, a2); break;
2201 case 3: buwrite(pa1, 2, a2); break;
2208 * int close(int fd);
2211 void psxBios_close() { // 0x36
2213 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
2220 void psxBios_putchar() { // 3d
2221 SysPrintf("%c", (char)a0);
2225 void psxBios_puts() { // 3e/3f
2226 SysPrintf("%s", Ra0);
2231 /* To avoid any issues with different behaviour when using the libc's own strlen instead.
2232 * We want to mimic the PSX's behaviour in this case for bufile. */
2233 static size_t strlen_internal(char* p)
2235 size_t size_of_array = 0;
2236 while (*p++) size_of_array++;
2237 return size_of_array;
2240 #define bufile(mcd) { \
2241 size_t size_of_name = strlen_internal(dir->name); \
2242 while (nfile < 16) { \
2245 ptr = Mcd##mcd##Data + 128 * (nfile + 1); \
2247 if ((*ptr & 0xF0) != 0x50) continue; \
2248 /* Bug link files show up as free block. */ \
2249 if (!ptr[0xa]) continue; \
2251 if (pfile[0] == 0) { \
2252 strncpy(dir->name, ptr, sizeof(dir->name) - 1); \
2253 if (size_of_name < sizeof(dir->name)) dir->name[size_of_name] = '\0'; \
2254 } else for (i=0; i<20; i++) { \
2255 if (pfile[i] == ptr[i]) { \
2256 dir->name[i] = ptr[i]; continue; } \
2257 if (pfile[i] == '?') { \
2258 dir->name[i] = ptr[i]; continue; } \
2259 if (pfile[i] == '*') { \
2260 strcpy(dir->name+i, ptr+i); break; } \
2263 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
2264 if (match == 0) { continue; } \
2272 * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
2275 void psxBios_firstfile() { // 42
2276 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
2283 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
2292 if (!strncmp(pa0, "bu00", 4)) {
2293 // firstfile() calls _card_read() internally, so deliver it's event
2294 DeliverEvent(0x11, 0x2);
2296 } else if (!strncmp(pa0, "bu10", 4)) {
2297 // firstfile() calls _card_read() internally, so deliver it's event
2298 DeliverEvent(0x11, 0x2);
2307 * struct DIRENTRY* nextfile(struct DIRENTRY *dir);
2310 void psxBios_nextfile() { // 43
2311 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
2317 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
2322 if (!strncmp(ffile, "bu00", 4)) {
2326 if (!strncmp(ffile, "bu10", 4)) {
2333 #define burename(mcd) { \
2334 for (i=1; i<16; i++) { \
2335 int namelen, j, xor = 0; \
2336 ptr = Mcd##mcd##Data + 128 * i; \
2337 if ((*ptr & 0xF0) != 0x50) continue; \
2338 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2339 namelen = strlen(Ra1+5); \
2340 memcpy(ptr+0xa, Ra1+5, namelen); \
2341 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
2342 for (j=0; j<127; j++) xor^= ptr[j]; \
2344 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
2351 * int rename(char *old, char *new);
2354 void psxBios_rename() { // 44
2361 PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
2367 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
2371 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
2380 #define budelete(mcd) { \
2381 for (i=1; i<16; i++) { \
2382 ptr = Mcd##mcd##Data + 128 * i; \
2383 if ((*ptr & 0xF0) != 0x50) continue; \
2384 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2385 *ptr = (*ptr & 0xf) | 0xA0; \
2386 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
2387 SysPrintf("delete %s\n", ptr+0xa); \
2394 * int delete(char *name);
2397 void psxBios_delete() { // 45
2403 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2409 if (!strncmp(pa0, "bu00", 4)) {
2413 if (!strncmp(pa0, "bu10", 4)) {
2421 void psxBios_InitCARD() { // 4a
2423 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2431 void psxBios_StartCARD() { // 4b
2433 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2436 if (CardState == 0) CardState = 1;
2441 void psxBios_StopCARD() { // 4c
2443 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2446 if (CardState == 1) CardState = 0;
2451 void psxBios__card_write() { // 0x4e
2456 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2459 Function also accepts sector 400h (a bug).
2460 But notaz said we shouldn't allow sector 400h because it can corrupt the emulator.
2464 /* Invalid sectors */
2468 card_active_chan = a0;
2473 memcpy(Mcd1Data + a1 * 128, pa2, 128);
2474 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2476 memcpy(Mcd2Data + a1 * 128, pa2, 128);
2477 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2481 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2482 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2487 void psxBios__card_read() { // 0x4f
2492 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2495 Function also accepts sector 400h (a bug).
2496 But notaz said we shouldn't allow sector 400h because it can corrupt the emulator.
2500 /* Invalid sectors */
2504 card_active_chan = a0;
2509 memcpy(pa2, Mcd1Data + a1 * 128, 128);
2511 memcpy(pa2, Mcd2Data + a1 * 128, 128);
2515 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2516 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2521 void psxBios__new_card() { // 0x50
2523 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2529 /* According to a user, this allows Final Fantasy Tactics to save/load properly */
2530 void psxBios__get_error(void) // 55
2536 void psxBios_Krom2RawAdd() { // 0x51
2539 const u32 table_8140[][2] = {
2540 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2541 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2542 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2543 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2544 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2545 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2546 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2547 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2548 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2552 const u32 table_889f[][2] = {
2553 {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4},
2554 {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304},
2555 {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14},
2556 {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24},
2557 {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734},
2558 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2559 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2560 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2564 if (a0 >= 0x8140 && a0 <= 0x84be) {
2565 while (table_8140[i][0] <= a0) i++;
2566 a0 -= table_8140[i - 1][0];
2567 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2568 } else if (a0 >= 0x889f && a0 <= 0x9872) {
2569 while (table_889f[i][0] <= a0) i++;
2570 a0 -= table_889f[i - 1][0];
2571 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2579 void psxBios_GetC0Table() { // 56
2581 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2584 v0 = 0x674; pc0 = ra;
2587 void psxBios_GetB0Table() { // 57
2589 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2592 v0 = 0x874; pc0 = ra;
2595 void psxBios__card_chan() { // 0x58
2597 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2600 v0 = card_active_chan;
2604 void psxBios_ChangeClearPad() { // 5b
2606 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2612 void psxBios__card_status() { // 5c
2614 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5c], a0);
2617 v0 = card_active_chan;
2621 void psxBios__card_wait() { // 5d
2623 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5d], a0);
2630 /* System calls C0 */
2633 * int SysEnqIntRP(int index , long *queue);
2636 void psxBios_SysEnqIntRP() { // 02
2638 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2647 * int SysDeqIntRP(int index , long *queue);
2650 void psxBios_SysDeqIntRP() { // 03
2652 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2660 void psxBios_ChangeClearRCnt() { // 0a
2664 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2667 ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2671 // psxRegs.CP0.n.Status|= 0x404;
2675 void psxBios_dummy() {
2677 PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2682 void (*biosA0[256])();
2683 void (*biosB0[256])();
2684 void (*biosC0[256])();
2686 #include "sjisfont.h"
2688 void psxBiosInit() {
2694 for(i = 0; i < 256; i++) {
2699 biosA0[0x3e] = psxBios_puts;
2700 biosA0[0x3f] = psxBios_printf;
2702 biosB0[0x3d] = psxBios_putchar;
2703 biosB0[0x3f] = psxBios_puts;
2705 if (!Config.HLE) return;
2707 for(i = 0; i < 256; i++) {
2708 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2709 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2710 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2713 biosA0[0x00] = psxBios_open;
2714 biosA0[0x01] = psxBios_lseek;
2715 biosA0[0x02] = psxBios_read;
2716 biosA0[0x03] = psxBios_write;
2717 biosA0[0x04] = psxBios_close;
2718 //biosA0[0x05] = psxBios_ioctl;
2719 //biosA0[0x06] = psxBios_exit;
2720 //biosA0[0x07] = psxBios_sys_a0_07;
2721 biosA0[0x08] = psxBios_getc;
2722 biosA0[0x09] = psxBios_putc;
2723 biosA0[0x0a] = psxBios_todigit;
2724 //biosA0[0x0b] = psxBios_atof;
2725 //biosA0[0x0c] = psxBios_strtoul;
2726 //biosA0[0x0d] = psxBios_strtol;
2727 biosA0[0x0e] = psxBios_abs;
2728 biosA0[0x0f] = psxBios_labs;
2729 biosA0[0x10] = psxBios_atoi;
2730 biosA0[0x11] = psxBios_atol;
2731 //biosA0[0x12] = psxBios_atob;
2732 biosA0[0x13] = psxBios_setjmp;
2733 biosA0[0x14] = psxBios_longjmp;
2734 biosA0[0x15] = psxBios_strcat;
2735 biosA0[0x16] = psxBios_strncat;
2736 biosA0[0x17] = psxBios_strcmp;
2737 biosA0[0x18] = psxBios_strncmp;
2738 biosA0[0x19] = psxBios_strcpy;
2739 biosA0[0x1a] = psxBios_strncpy;
2740 biosA0[0x1b] = psxBios_strlen;
2741 biosA0[0x1c] = psxBios_index;
2742 biosA0[0x1d] = psxBios_rindex;
2743 biosA0[0x1e] = psxBios_strchr;
2744 biosA0[0x1f] = psxBios_strrchr;
2745 biosA0[0x20] = psxBios_strpbrk;
2746 biosA0[0x21] = psxBios_strspn;
2747 biosA0[0x22] = psxBios_strcspn;
2748 biosA0[0x23] = psxBios_strtok;
2749 biosA0[0x24] = psxBios_strstr;
2750 biosA0[0x25] = psxBios_toupper;
2751 biosA0[0x26] = psxBios_tolower;
2752 biosA0[0x27] = psxBios_bcopy;
2753 biosA0[0x28] = psxBios_bzero;
2754 biosA0[0x29] = psxBios_bcmp;
2755 biosA0[0x2a] = psxBios_memcpy;
2756 biosA0[0x2b] = psxBios_memset;
2757 biosA0[0x2c] = psxBios_memmove;
2758 biosA0[0x2d] = psxBios_memcmp;
2759 biosA0[0x2e] = psxBios_memchr;
2760 biosA0[0x2f] = psxBios_rand;
2761 biosA0[0x30] = psxBios_srand;
2762 biosA0[0x31] = psxBios_qsort;
2763 //biosA0[0x32] = psxBios_strtod;
2764 biosA0[0x33] = psxBios_malloc;
2765 biosA0[0x34] = psxBios_free;
2766 //biosA0[0x35] = psxBios_lsearch;
2767 //biosA0[0x36] = psxBios_bsearch;
2768 biosA0[0x37] = psxBios_calloc;
2769 biosA0[0x38] = psxBios_realloc;
2770 biosA0[0x39] = psxBios_InitHeap;
2771 //biosA0[0x3a] = psxBios__exit;
2772 biosA0[0x3b] = psxBios_getchar;
2773 biosA0[0x3c] = psxBios_putchar;
2774 //biosA0[0x3d] = psxBios_gets;
2775 //biosA0[0x40] = psxBios_sys_a0_40;
2776 //biosA0[0x41] = psxBios_LoadTest;
2777 biosA0[0x42] = psxBios_Load;
2778 biosA0[0x43] = psxBios_Exec;
2779 biosA0[0x44] = psxBios_FlushCache;
2780 //biosA0[0x45] = psxBios_InstallInterruptHandler;
2781 biosA0[0x46] = psxBios_GPU_dw;
2782 biosA0[0x47] = psxBios_mem2vram;
2783 biosA0[0x48] = psxBios_SendGPU;
2784 biosA0[0x49] = psxBios_GPU_cw;
2785 biosA0[0x4a] = psxBios_GPU_cwb;
2786 biosA0[0x4b] = psxBios_GPU_SendPackets;
2787 biosA0[0x4c] = psxBios_sys_a0_4c;
2788 biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2789 //biosA0[0x4e] = psxBios_GPU_sync;
2790 //biosA0[0x4f] = psxBios_sys_a0_4f;
2791 //biosA0[0x50] = psxBios_sys_a0_50;
2792 biosA0[0x51] = psxBios_LoadExec;
2793 //biosA0[0x52] = psxBios_GetSysSp;
2794 //biosA0[0x53] = psxBios_sys_a0_53;
2795 //biosA0[0x54] = psxBios__96_init_a54;
2796 //biosA0[0x55] = psxBios__bu_init_a55;
2797 //biosA0[0x56] = psxBios__96_remove_a56;
2798 //biosA0[0x57] = psxBios_sys_a0_57;
2799 //biosA0[0x58] = psxBios_sys_a0_58;
2800 //biosA0[0x59] = psxBios_sys_a0_59;
2801 //biosA0[0x5a] = psxBios_sys_a0_5a;
2802 //biosA0[0x5b] = psxBios_dev_tty_init;
2803 //biosA0[0x5c] = psxBios_dev_tty_open;
2804 //biosA0[0x5d] = psxBios_sys_a0_5d;
2805 //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2806 //biosA0[0x5f] = psxBios_dev_cd_open;
2807 //biosA0[0x60] = psxBios_dev_cd_read;
2808 //biosA0[0x61] = psxBios_dev_cd_close;
2809 //biosA0[0x62] = psxBios_dev_cd_firstfile;
2810 //biosA0[0x63] = psxBios_dev_cd_nextfile;
2811 //biosA0[0x64] = psxBios_dev_cd_chdir;
2812 //biosA0[0x65] = psxBios_dev_card_open;
2813 //biosA0[0x66] = psxBios_dev_card_read;
2814 //biosA0[0x67] = psxBios_dev_card_write;
2815 //biosA0[0x68] = psxBios_dev_card_close;
2816 //biosA0[0x69] = psxBios_dev_card_firstfile;
2817 //biosA0[0x6a] = psxBios_dev_card_nextfile;
2818 //biosA0[0x6b] = psxBios_dev_card_erase;
2819 //biosA0[0x6c] = psxBios_dev_card_undelete;
2820 //biosA0[0x6d] = psxBios_dev_card_format;
2821 //biosA0[0x6e] = psxBios_dev_card_rename;
2822 //biosA0[0x6f] = psxBios_dev_card_6f;
2823 biosA0[0x70] = psxBios__bu_init;
2824 biosA0[0x71] = psxBios__96_init;
2825 biosA0[0x72] = psxBios__96_remove;
2826 //biosA0[0x73] = psxBios_sys_a0_73;
2827 //biosA0[0x74] = psxBios_sys_a0_74;
2828 //biosA0[0x75] = psxBios_sys_a0_75;
2829 //biosA0[0x76] = psxBios_sys_a0_76;
2830 //biosA0[0x77] = psxBios_sys_a0_77;
2831 //biosA0[0x78] = psxBios__96_CdSeekL;
2832 //biosA0[0x79] = psxBios_sys_a0_79;
2833 //biosA0[0x7a] = psxBios_sys_a0_7a;
2834 //biosA0[0x7b] = psxBios_sys_a0_7b;
2835 //biosA0[0x7c] = psxBios__96_CdGetStatus;
2836 //biosA0[0x7d] = psxBios_sys_a0_7d;
2837 //biosA0[0x7e] = psxBios__96_CdRead;
2838 //biosA0[0x7f] = psxBios_sys_a0_7f;
2839 //biosA0[0x80] = psxBios_sys_a0_80;
2840 //biosA0[0x81] = psxBios_sys_a0_81;
2841 //biosA0[0x82] = psxBios_sys_a0_82;
2842 //biosA0[0x83] = psxBios_sys_a0_83;
2843 //biosA0[0x84] = psxBios_sys_a0_84;
2844 //biosA0[0x85] = psxBios__96_CdStop;
2845 //biosA0[0x86] = psxBios_sys_a0_86;
2846 //biosA0[0x87] = psxBios_sys_a0_87;
2847 //biosA0[0x88] = psxBios_sys_a0_88;
2848 //biosA0[0x89] = psxBios_sys_a0_89;
2849 //biosA0[0x8a] = psxBios_sys_a0_8a;
2850 //biosA0[0x8b] = psxBios_sys_a0_8b;
2851 //biosA0[0x8c] = psxBios_sys_a0_8c;
2852 //biosA0[0x8d] = psxBios_sys_a0_8d;
2853 //biosA0[0x8e] = psxBios_sys_a0_8e;
2854 //biosA0[0x8f] = psxBios_sys_a0_8f;
2855 //biosA0[0x90] = psxBios_sys_a0_90;
2856 //biosA0[0x91] = psxBios_sys_a0_91;
2857 //biosA0[0x92] = psxBios_sys_a0_92;
2858 //biosA0[0x93] = psxBios_sys_a0_93;
2859 //biosA0[0x94] = psxBios_sys_a0_94;
2860 //biosA0[0x95] = psxBios_sys_a0_95;
2861 //biosA0[0x96] = psxBios_AddCDROMDevice;
2862 //biosA0[0x97] = psxBios_AddMemCardDevide;
2863 //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2864 //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2865 //biosA0[0x9a] = psxBios_sys_a0_9a;
2866 //biosA0[0x9b] = psxBios_sys_a0_9b;
2867 //biosA0[0x9c] = psxBios_SetConf;
2868 //biosA0[0x9d] = psxBios_GetConf;
2869 //biosA0[0x9e] = psxBios_sys_a0_9e;
2870 biosA0[0x9f] = psxBios_SetMem;
2871 //biosA0[0xa0] = psxBios__boot;
2872 //biosA0[0xa1] = psxBios_SystemError;
2873 //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2874 //biosA0[0xa3] = psxBios_DequeueCdIntr;
2875 //biosA0[0xa4] = psxBios_sys_a0_a4;
2876 //biosA0[0xa5] = psxBios_ReadSector;
2877 biosA0[0xa6] = psxBios_get_cd_status;
2878 //biosA0[0xa7] = psxBios_bufs_cb_0;
2879 //biosA0[0xa8] = psxBios_bufs_cb_1;
2880 //biosA0[0xa9] = psxBios_bufs_cb_2;
2881 //biosA0[0xaa] = psxBios_bufs_cb_3;
2882 biosA0[0xab] = psxBios__card_info;
2883 biosA0[0xac] = psxBios__card_load;
2884 //biosA0[0axd] = psxBios__card_auto;
2885 //biosA0[0xae] = psxBios_bufs_cd_4;
2886 //biosA0[0xaf] = psxBios_sys_a0_af;
2887 //biosA0[0xb0] = psxBios_sys_a0_b0;
2888 //biosA0[0xb1] = psxBios_sys_a0_b1;
2889 //biosA0[0xb2] = psxBios_do_a_long_jmp
2890 //biosA0[0xb3] = psxBios_sys_a0_b3;
2891 //biosA0[0xb4] = psxBios_sub_function;
2892 //*******************B0 CALLS****************************
2893 //biosB0[0x00] = psxBios_SysMalloc;
2894 //biosB0[0x01] = psxBios_sys_b0_01;
2895 biosB0[0x02] = psxBios_SetRCnt;
2896 biosB0[0x03] = psxBios_GetRCnt;
2897 biosB0[0x04] = psxBios_StartRCnt;
2898 biosB0[0x05] = psxBios_StopRCnt;
2899 biosB0[0x06] = psxBios_ResetRCnt;
2900 biosB0[0x07] = psxBios_DeliverEvent;
2901 biosB0[0x08] = psxBios_OpenEvent;
2902 biosB0[0x09] = psxBios_CloseEvent;
2903 biosB0[0x0a] = psxBios_WaitEvent;
2904 biosB0[0x0b] = psxBios_TestEvent;
2905 biosB0[0x0c] = psxBios_EnableEvent;
2906 biosB0[0x0d] = psxBios_DisableEvent;
2907 biosB0[0x0e] = psxBios_OpenTh;
2908 biosB0[0x0f] = psxBios_CloseTh;
2909 biosB0[0x10] = psxBios_ChangeTh;
2910 //biosB0[0x11] = psxBios_psxBios_b0_11;
2911 biosB0[0x12] = psxBios_InitPAD;
2912 biosB0[0x13] = psxBios_StartPAD;
2913 biosB0[0x14] = psxBios_StopPAD;
2914 biosB0[0x15] = psxBios_PAD_init;
2915 biosB0[0x16] = psxBios_PAD_dr;
2916 biosB0[0x17] = psxBios_ReturnFromException;
2917 biosB0[0x18] = psxBios_ResetEntryInt;
2918 biosB0[0x19] = psxBios_HookEntryInt;
2919 //biosB0[0x1a] = psxBios_sys_b0_1a;
2920 //biosB0[0x1b] = psxBios_sys_b0_1b;
2921 //biosB0[0x1c] = psxBios_sys_b0_1c;
2922 //biosB0[0x1d] = psxBios_sys_b0_1d;
2923 //biosB0[0x1e] = psxBios_sys_b0_1e;
2924 //biosB0[0x1f] = psxBios_sys_b0_1f;
2925 biosB0[0x20] = psxBios_UnDeliverEvent;
2926 //biosB0[0x21] = psxBios_sys_b0_21;
2927 //biosB0[0x22] = psxBios_sys_b0_22;
2928 //biosB0[0x23] = psxBios_sys_b0_23;
2929 //biosB0[0x24] = psxBios_sys_b0_24;
2930 //biosB0[0x25] = psxBios_sys_b0_25;
2931 //biosB0[0x26] = psxBios_sys_b0_26;
2932 //biosB0[0x27] = psxBios_sys_b0_27;
2933 //biosB0[0x28] = psxBios_sys_b0_28;
2934 //biosB0[0x29] = psxBios_sys_b0_29;
2935 //biosB0[0x2a] = psxBios_sys_b0_2a;
2936 //biosB0[0x2b] = psxBios_sys_b0_2b;
2937 //biosB0[0x2c] = psxBios_sys_b0_2c;
2938 //biosB0[0x2d] = psxBios_sys_b0_2d;
2939 //biosB0[0x2e] = psxBios_sys_b0_2e;
2940 //biosB0[0x2f] = psxBios_sys_b0_2f;
2941 //biosB0[0x30] = psxBios_sys_b0_30;
2942 //biosB0[0x31] = psxBios_sys_b0_31;
2943 biosB0[0x32] = psxBios_open;
2944 biosB0[0x33] = psxBios_lseek;
2945 biosB0[0x34] = psxBios_read;
2946 biosB0[0x35] = psxBios_write;
2947 biosB0[0x36] = psxBios_close;
2948 //biosB0[0x37] = psxBios_ioctl;
2949 //biosB0[0x38] = psxBios_exit;
2950 //biosB0[0x39] = psxBios_sys_b0_39;
2951 //biosB0[0x3a] = psxBios_getc;
2952 //biosB0[0x3b] = psxBios_putc;
2953 biosB0[0x3c] = psxBios_getchar;
2954 //biosB0[0x3e] = psxBios_gets;
2955 //biosB0[0x40] = psxBios_cd;
2956 biosB0[0x41] = psxBios_format;
2957 biosB0[0x42] = psxBios_firstfile;
2958 biosB0[0x43] = psxBios_nextfile;
2959 biosB0[0x44] = psxBios_rename;
2960 biosB0[0x45] = psxBios_delete;
2961 //biosB0[0x46] = psxBios_undelete;
2962 //biosB0[0x47] = psxBios_AddDevice;
2963 //biosB0[0x48] = psxBios_RemoteDevice;
2964 //biosB0[0x49] = psxBios_PrintInstalledDevices;
2965 biosB0[0x4a] = psxBios_InitCARD;
2966 biosB0[0x4b] = psxBios_StartCARD;
2967 biosB0[0x4c] = psxBios_StopCARD;
2968 //biosB0[0x4d] = psxBios_sys_b0_4d;
2969 biosB0[0x4e] = psxBios__card_write;
2970 biosB0[0x4f] = psxBios__card_read;
2971 biosB0[0x50] = psxBios__new_card;
2972 biosB0[0x51] = psxBios_Krom2RawAdd;
2973 //biosB0[0x52] = psxBios_sys_b0_52;
2974 //biosB0[0x53] = psxBios_sys_b0_53;
2975 //biosB0[0x54] = psxBios__get_errno;
2976 biosB0[0x55] = psxBios__get_error;
2977 biosB0[0x56] = psxBios_GetC0Table;
2978 biosB0[0x57] = psxBios_GetB0Table;
2979 biosB0[0x58] = psxBios__card_chan;
2980 //biosB0[0x59] = psxBios_sys_b0_59;
2981 //biosB0[0x5a] = psxBios_sys_b0_5a;
2982 biosB0[0x5b] = psxBios_ChangeClearPad;
2983 biosB0[0x5c] = psxBios__card_status;
2984 biosB0[0x5d] = psxBios__card_wait;
2985 //*******************C0 CALLS****************************
2986 //biosC0[0x00] = psxBios_InitRCnt;
2987 //biosC0[0x01] = psxBios_InitException;
2988 biosC0[0x02] = psxBios_SysEnqIntRP;
2989 biosC0[0x03] = psxBios_SysDeqIntRP;
2990 //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2991 //biosC0[0x05] = psxBios_get_free_TCB_slot;
2992 //biosC0[0x06] = psxBios_ExceptionHandler;
2993 //biosC0[0x07] = psxBios_InstallExeptionHandler;
2994 //biosC0[0x08] = psxBios_SysInitMemory;
2995 //biosC0[0x09] = psxBios_SysInitKMem;
2996 biosC0[0x0a] = psxBios_ChangeClearRCnt;
2997 //biosC0[0x0b] = psxBios_SystemError;
2998 //biosC0[0x0c] = psxBios_InitDefInt;
2999 //biosC0[0x0d] = psxBios_sys_c0_0d;
3000 //biosC0[0x0e] = psxBios_sys_c0_0e;
3001 //biosC0[0x0f] = psxBios_sys_c0_0f;
3002 //biosC0[0x10] = psxBios_sys_c0_10;
3003 //biosC0[0x11] = psxBios_sys_c0_11;
3004 //biosC0[0x12] = psxBios_InstallDevices;
3005 //biosC0[0x13] = psxBios_FlushStfInOutPut;
3006 //biosC0[0x14] = psxBios_sys_c0_14;
3007 //biosC0[0x15] = psxBios__cdevinput;
3008 //biosC0[0x16] = psxBios__cdevscan;
3009 //biosC0[0x17] = psxBios__circgetc;
3010 //biosC0[0x18] = psxBios__circputc;
3011 //biosC0[0x19] = psxBios_ioabort;
3012 //biosC0[0x1a] = psxBios_sys_c0_1a
3013 //biosC0[0x1b] = psxBios_KernelRedirect;
3014 //biosC0[0x1c] = psxBios_PatchAOTable;
3015 //************** THE END ***************************************
3018 size = sizeof(EvCB) * 32;
3019 Event = (void *)&psxR[base]; base += size * 6;
3020 memset(Event, 0, size * 6);
3023 RcEV = Event + 32 * 2;
3024 UeEV = Event + 32 * 3;
3025 SwEV = Event + 32 * 4;
3026 ThEV = Event + 32 * 5;
3028 ptr = (u32 *)&psxM[0x0874]; // b0 table
3029 ptr[0] = SWAPu32(0x4c54 - 0x884);
3031 ptr = (u32 *)&psxM[0x0674]; // c0 table
3032 ptr[6] = SWAPu32(0xc80);
3034 memset(SysIntRP, 0, sizeof(SysIntRP));
3035 memset(Thread, 0, sizeof(Thread));
3036 Thread[0].status = 2; // main thread
3043 pad_buf1len = pad_buf2len = 0;
3049 memset(FDesc, 0, sizeof(FDesc));
3050 card_active_chan = 0;
3052 psxMu32ref(0x0150) = SWAPu32(0x160);
3053 psxMu32ref(0x0154) = SWAPu32(0x320);
3054 psxMu32ref(0x0160) = SWAPu32(0x248);
3055 strcpy((char *)&psxM[0x248], "bu");
3056 /* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
3057 psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
3058 psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
3059 psxMu32ref(0x09e0) = SWAPu32(0x43d0);
3060 psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
3063 psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
3064 /* Whatever this does, it actually breaks CTR, even without the uninitiliazed memory patch.
3065 Normally games shouldn't read from address 0 yet they do. See explanation below in details. */
3066 //psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
3067 psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
3068 psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
3069 psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
3070 psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
3071 psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
3072 psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
3073 psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
3074 psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
3076 // initial stack pointer for BIOS interrupt
3077 psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
3080 psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
3083 len = 0x80000 - 0x66000;
3084 uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
3085 len = 0x80000 - 0x69d68;
3086 uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
3089 psxHu32ref(0x1060) = SWAPu32(0x00000b88);
3091 hleSoftCall = FALSE;
3093 /* Some games like R-Types, CTR, Fade to Black read from adress 0x00000000 due to uninitialized pointers.
3094 See Garbage Area at Address 00000000h in Nocash PSX Specfications for more information.
3095 Here are some examples of games not working with this fix in place :
3096 R-type won't get past the Irem logo if not implemented.
3097 Crash Team Racing will softlock after the Sony logo.
3100 psxMu32ref(0x0000) = SWAPu32(0x00000003);
3102 But overwritten by 00000003h after soon.
3103 psxMu32ref(0x0000) = SWAPu32(0x00001A3C);
3105 psxMu32ref(0x0004) = SWAPu32(0x800C5A27);
3106 psxMu32ref(0x0008) = SWAPu32(0x08000403);
3107 psxMu32ref(0x000C) = SWAPu32(0x00000000);
3110 void psxBiosShutdown() {
3113 #define psxBios_PADpoll(pad) { \
3114 PAD##pad##_startPoll(pad); \
3115 pad_buf##pad[0] = 0; \
3116 pad_buf##pad[1] = PAD##pad##_poll(0x42); \
3117 if (!(pad_buf##pad[1] & 0x0f)) { \
3120 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
3122 PAD##pad##_poll(0); \
3124 while (bufcount--) { \
3125 pad_buf##pad[i++] = PAD##pad##_poll(0); \
3129 void biosInterrupt() {
3132 // if (psxHu32(0x1070) & 0x1) { // Vsync
3133 if (pad_buf != NULL) {
3134 u32 *buf = (u32*)pad_buf;
3136 if (!Config.UseNet) {
3138 if (PAD1_poll(0x42) == 0x23) {
3140 *buf = PAD1_poll(0) << 8;
3141 *buf |= PAD1_poll(0);
3143 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
3144 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
3147 *buf = PAD1_poll(0) << 8;
3148 *buf|= PAD1_poll(0);
3152 if (PAD2_poll(0x42) == 0x23) {
3154 *buf |= PAD2_poll(0) << 24;
3155 *buf |= PAD2_poll(0) << 16;
3157 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
3158 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
3161 *buf |= PAD2_poll(0) << 24;
3162 *buf |= PAD2_poll(0) << 16;
3170 data = PAD1_poll(0) << 8;
3171 data |= PAD1_poll(0);
3173 if (NET_sendPadData(&data, 2) == -1)
3176 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
3178 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
3182 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
3185 if (NET_sendPadData(pad_buf1, i) == -1)
3188 if (NET_recvPadData(pad_buf1, 1) == -1)
3190 if (NET_recvPadData(pad_buf2, 2) == -1)
3204 if (psxHu32(0x1070) & 0x1) { // Vsync
3205 if (RcEV[3][1].status == EvStACTIVE) {
3206 softCall(RcEV[3][1].fhandler);
3207 // hwWrite32(0x1f801070, ~(1));
3211 if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
3214 for (i = 0; i < 3; i++) {
3215 if (psxHu32(0x1070) & (1 << (i + 4))) {
3216 if (RcEV[i][1].status == EvStACTIVE) {
3217 softCall(RcEV[i][1].fhandler);
3219 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
3225 void psxBiosException() {
3228 switch (psxRegs.CP0.n.Cause & 0x3c) {
3229 case 0x00: // Interrupt
3230 interrupt_r26=psxRegs.CP0.n.EPC;
3232 // PSXCPU_LOG("interrupt\n");
3236 sp = psxMu32(0x6c80); // create new stack for interrupt handlers
3240 for (i = 0; i < 8; i++) {
3242 u32 *queue = (u32 *)PSXM(SysIntRP[i]);
3249 if (jmp_int != NULL) {
3252 psxHwWrite32(0x1f801070, 0xffffffff);
3257 for (i = 0; i < 8; i++) // s0-s7
3258 psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
3265 psxHwWrite16(0x1f801070, 0);
3268 case 0x20: // Syscall
3270 PSXCPU_LOG("syscall exp %x\n", a0);
3273 case 1: // EnterCritical - disable irq's
3274 /* Fixes Medievil 2 not loading up new game, Digimon World not booting up and possibly others */
3275 v0 = (psxRegs.CP0.n.Status & 0x404) == 0x404;
3276 psxRegs.CP0.n.Status &= ~0x404;
3279 case 2: // ExitCritical - enable irq's
3280 psxRegs.CP0.n.Status |= 0x404;
3282 /* Normally this should cover SYS(00h, SYS(04h but they don't do anything relevant so... */
3286 pc0 = psxRegs.CP0.n.EPC + 4;
3288 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3289 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3294 PSXCPU_LOG("unknown bios exception!\n");
3299 pc0 = psxRegs.CP0.n.EPC;
3300 if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
3302 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3303 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3306 #define bfreeze(ptr, size) { \
3307 if (Mode == 1) memcpy(&psxR[base], ptr, size); \
3308 if (Mode == 0) memcpy(ptr, &psxR[base], size); \
3312 #define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
3313 #define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
3315 #define bfreezepsxMptr(ptr, type) { \
3317 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
3318 else psxRu32ref(base) = 0; \
3320 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
3321 else (ptr) = NULL; \
3323 base += sizeof(u32); \
3326 void psxBiosFreeze(int Mode) {
3329 bfreezepsxMptr(jmp_int, u32);
3330 bfreezepsxMptr(pad_buf, int);
3331 bfreezepsxMptr(pad_buf1, char);
3332 bfreezepsxMptr(pad_buf2, char);
3333 bfreezepsxMptr(heap_addr, u32);
3334 bfreezel(&pad_buf1len);
3335 bfreezel(&pad_buf2len);
3338 bfreezel(&CardState);
3340 bfreezel(&CurThread);
3342 bfreezel(&card_active_chan);
3343 bfreezel(&pad_stopped);
3344 bfreezel(&heap_size);