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;
259 static EvCB *EventCB;
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 ThreadCB[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 (EventCB[ev][spec].status != EvStACTIVE) return;
305 // EventCB[ev][spec].status = EvStALREADY;
306 if (EventCB[ev][spec].mode == EvMdINTR) {
307 softCall2(EventCB[ev][spec].fhandler);
308 } else EventCB[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 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, offset, length); \
351 if (FDesc[1 + mcd].mode & 0x8000) { \
352 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
353 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
359 /* Internally redirects to "FileRead(fd,tempbuf,1)".*/
360 /* For some strange reason, the returned character is sign-expanded; */
361 /* So if a return value of FFFFFFFFh could mean either character FFh, or error. */
362 /* TODO FIX ME : Properly implement this behaviour */
363 void psxBios_getc(void) // 0x03, 0x35
368 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x03]);
374 case 2: buread(pa1, 1, 1); break;
375 case 3: buread(pa1, 2, 1); break;
382 /* Copy of psxBios_write, except size is 1. */
383 void psxBios_putc(void) // 0x09, 0x3B
388 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x09]);
396 if (a0 == 1) { // stdout
397 char *ptr = (char *)pa1;
401 printf("%c", *ptr++); a2--;
407 case 2: buwrite(pa1, 1, 1); break;
408 case 3: buwrite(pa1, 2, 1); break;
414 void psxBios_todigit(void) // 0x0a
418 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x0a]);
421 if (c >= 0x30 && c < 0x3A) {
424 else if (c > 0x60 && c < 0x7B) {
427 else if (c > 0x40 && c < 0x5B) {
430 else if (c >= 0x80) {
441 void psxBios_abs() { // 0x0e
442 if ((s32)a0 < 0) v0 = -(s32)a0;
447 void psxBios_labs() { // 0x0f
451 void psxBios_atoi() { // 0x10
453 char *p = (char *)Ra0;
457 case ' ': case '\t': continue;
464 while (*p >= '0' && *p <= '9') {
465 n = n * 10 + *p++ - '0';
472 void psxBios_atol() { // 0x11
476 void psxBios_setjmp() { // 0x13
477 u32 *jmp_buf = (u32 *)Ra0;
481 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]);
487 for (i = 0; i < 8; i++) // s0-s7
488 jmp_buf[3 + i] = psxRegs.GPR.r[16 + i];
494 void psxBios_longjmp() { // 0x14
495 u32 *jmp_buf = (u32 *)Ra0;
499 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]);
502 ra = jmp_buf[0]; /* ra */
503 sp = jmp_buf[1]; /* sp */
504 fp = jmp_buf[2]; /* fp */
505 for (i = 0; i < 8; i++) // s0-s7
506 psxRegs.GPR.r[16 + i] = jmp_buf[3 + i];
507 gp = jmp_buf[11]; /* gp */
512 void psxBios_strcat() { // 0x15
513 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
516 PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1);
518 if (a0 == 0 || a1 == 0)
526 while ((*p1++ = *p2++) != '\0');
531 void psxBios_strncat() { // 0x16
532 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
536 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2);
538 if (a0 == 0 || a1 == 0)
546 while ((*p1++ = *p2++) != '\0') {
556 void psxBios_strcmp() { // 0x17
557 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
559 if (a0 == 0 && a1 == 0)
565 else if (a0 == 0 && a1 != 0)
571 else if (a0 != 0 && a1 == 0)
578 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1);
581 while (*p1 == *p2++) {
600 void psxBios_strncmp() { // 0x18
601 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
603 if (a0 == 0 && a1 == 0)
609 else if (a0 == 0 && a1 != 0)
615 else if (a0 != 0 && a1 == 0)
622 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2);
625 while (--n >= 0 && *p1 == *p2++) {
629 v1 = a2 - ((a2-n) - 1);
637 v0 = (n < 0 ? 0 : *p1 - *--p2);
639 v1 = a2 - ((a2-n) - 1);
645 void psxBios_strcpy() { // 0x19
646 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
647 if (a0 == 0 || a1 == 0)
653 while ((*p1++ = *p2++) != '\0');
658 void psxBios_strncpy() { // 0x1a
659 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
661 if (a0 == 0 || a1 == 0)
667 for (i = 0; i < n; i++) {
668 if ((*p1++ = *p2++) == '\0') {
680 void psxBios_strlen() { // 0x1b
681 char *p = (char *)Ra0;
692 void psxBios_index() { // 0x1c
693 char *p = (char *)Ra0;
703 v0 = a0 + (p - (char *)Ra0);
707 } while (*p++ != '\0');
712 void psxBios_rindex() { // 0x1d
713 char *p = (char *)Ra0;
723 v0 = a0 + (p - (char *)Ra0);
724 } while (*p++ != '\0');
729 void psxBios_strchr() { // 0x1e
733 void psxBios_strrchr() { // 0x1f
737 void psxBios_strpbrk() { // 0x20
738 char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc;
740 while ((c = *p1++) != '\0') {
741 for (scanp = p2; (sc = *scanp++) != '\0';) {
743 v0 = a0 + (p1 - 1 - (char *)Ra0);
750 // BUG: return a0 instead of NULL if not found
754 void psxBios_strspn() { // 0x21
757 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
758 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
759 if (*p2 == '\0') break;
762 v0 = p1 - (char *)Ra0; pc0 = ra;
765 void psxBios_strcspn() { // 0x22
768 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
769 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
770 if (*p2 != '\0') break;
773 v0 = p1 - (char *)Ra0; pc0 = ra;
776 void psxBios_strtok() { // 0x23
777 char *pcA0 = (char *)Ra0;
778 char *pcRet = strtok(pcA0, (char *)Ra1);
780 v0 = a0 + pcRet - pcA0;
786 void psxBios_strstr() { // 0x24
787 char *p = (char *)Ra0, *p1, *p2;
793 while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) {
798 v0 = a0 + (p - (char *)Ra0);
809 void psxBios_toupper() { // 0x25
810 v0 = (s8)(a0 & 0xff);
811 if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A';
815 void psxBios_tolower() { // 0x26
816 v0 = (s8)(a0 & 0xff);
817 if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A';
821 void psxBios_bcopy() { // 0x27
822 char *p1 = (char *)Ra1, *p2 = (char *)Ra0;
824 if (a0 == 0 || a2 > 0x7FFFFFFF)
829 while ((s32)a2-- > 0) *p1++ = *p2++;
834 void psxBios_bzero() { // 0x28
835 char *p = (char *)Ra0;
837 /* Same as memset here (See memset below) */
838 if (a1 > 0x7FFFFFFF || a1 == 0)
849 while ((s32)a1-- > 0) *p++ = '\0';
854 void psxBios_bcmp() { // 0x29
855 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
857 if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; }
859 while ((s32)a2-- > 0) {
860 if (*p1++ != *p2++) {
861 v0 = *p1 - *p2; // BUG: compare the NEXT byte
870 void psxBios_memcpy() { // 0x2a
871 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
873 if (a0 == 0 || a2 > 0x7FFFFFFF)
878 while ((s32)a2-- > 0) {
885 void psxBios_memset() { // 0x2b
886 char *p = (char *)Ra0;
888 if (a2 > 0x7FFFFFFF || a2 == 0)
899 while ((s32)a2-- > 0) *p++ = (char)a1;
904 void psxBios_memmove() { // 0x2c
905 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
907 if (a0 == 0 || a2 > 0x7FFFFFFF)
912 if (p2 <= p1 && p2 + a2 > p1) {
913 a2++; // BUG: copy one more byte here
916 while ((s32)a2-- > 0) *--p1 = *--p2;
918 while ((s32)a2-- > 0) *p1++ = *p2++;
923 void psxBios_memcmp() { // 0x2d
927 void psxBios_memchr() { // 0x2e
928 char *p = (char *)Ra0;
930 if (a0 == 0 || a2 > 0x7FFFFFFF)
936 while ((s32)a2-- > 0) {
937 if (*p++ != (s8)a1) continue;
938 v0 = a0 + (p - (char *)Ra0 - 1);
946 void psxBios_rand() { // 0x2f
947 u32 s = psxMu32(0x9010) * 1103515245 + 12345;
948 v0 = (s >> 16) & 0x7fff;
949 psxMu32ref(0x9010) = SWAPu32(s);
953 void psxBios_srand() { // 0x30
954 psxMu32ref(0x9010) = SWAPu32(a0);
958 static u32 qscmpfunc, qswidth;
960 static inline int qscmp(char *a, char *b) {
963 a0 = sa0 + (a - (char *)PSXM(sa0));
964 a1 = sa0 + (b - (char *)PSXM(sa0));
966 softCall2(qscmpfunc);
972 static inline void qexchange(char *i, char *j) {
983 static inline void q3exchange(char *i, char *j, char *k) {
995 static void qsort_main(char *a, char *l) {
996 char *i, *j, *lp, *hp;
1001 if ((n = l - a) <= qswidth)
1003 n = qswidth * (n / (2 * qswidth));
1009 if ((c = qscmp(i, lp)) == 0) {
1010 qexchange(i, lp -= qswidth);
1021 if ((c = qscmp(hp, j)) == 0) {
1022 qexchange(hp += qswidth, j);
1027 q3exchange(i, hp += qswidth, j);
1041 if (lp - a >= l - hp) {
1042 qsort_main(hp + qswidth, l);
1051 q3exchange(j, lp -= qswidth, i);
1056 void psxBios_qsort() { // 0x31
1059 qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
1064 void psxBios_malloc() { // 0x33
1065 unsigned int *chunk, *newchunk = NULL;
1066 unsigned int dsize = 0, csize, cstat;
1069 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
1071 if (!a0 || (!heap_size || !heap_addr)) {
1077 // scan through heap and combine free chunks of space
1080 while(chunk < heap_end) {
1081 // get size and status of actual chunk
1082 csize = ((u32)*chunk) & 0xfffffffc;
1083 cstat = ((u32)*chunk) & 1;
1085 // most probably broken heap descriptor
1086 // this fixes Burning Road
1089 dsize = ((uptr)heap_end - (uptr)chunk) - 4;
1094 // it's a free chunk
1099 colflag = 1; // let's begin a new collection of free memory
1101 else dsize += (csize+4); // add the new size including header
1103 // not a free chunk: did we start a collection ?
1105 if(colflag == 1) { // collection is over
1107 *newchunk = SWAP32(dsize | 1);
1112 chunk = (u32*)((uptr)chunk + csize + 4);
1114 // if neccessary free memory on end of heap
1116 *newchunk = SWAP32(dsize | 1);
1119 csize = ((u32)*chunk) & 0xfffffffc;
1120 cstat = ((u32)*chunk) & 1;
1121 dsize = (a0 + 3) & 0xfffffffc;
1123 // exit on uninitialized heap
1124 if (chunk == NULL) {
1125 printf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
1131 // search an unused chunk that is big enough until the end of the heap
1132 while ((dsize > csize || cstat==0) && chunk < heap_end ) {
1133 chunk = (u32*)((uptr)chunk + csize + 4);
1135 // catch out of memory
1136 if(chunk >= heap_end) {
1137 printf("malloc %x,%x: Out of memory error!\n",
1143 csize = ((u32)*chunk) & 0xfffffffc;
1144 cstat = ((u32)*chunk) & 1;
1148 if(dsize == csize) {
1149 // chunk has same size
1150 *chunk &= 0xfffffffc;
1151 } else if (dsize > csize) {
1156 *chunk = SWAP32(dsize);
1157 newchunk = (u32*)((uptr)chunk + dsize + 4);
1158 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
1161 // return pointer to allocated memory
1162 v0 = ((uptr)chunk - (uptr)psxM) + 4;
1164 //printf ("malloc %x,%x\n", v0, a0);
1168 void psxBios_free() { // 0x34
1171 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
1174 SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
1177 *(u32*)(Ra0-4) |= 1; // set chunk to free
1181 void psxBios_calloc() { // 0x37
1184 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
1194 void psxBios_realloc() { // 0x38
1198 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
1202 /* If "old_buf" is zero, executes malloc(new_size), and returns r2=new_buf (or 0=failed). */
1207 /* Else, if "new_size" is zero, executes free(old_buf), and returns r2=garbage. */
1212 /* Else, executes malloc(new_size), bcopy(old_buf,new_buf,new_size), and free(old_buf), and returns r2=new_buf (or 0=failed). */
1213 /* Note that it is not quite implemented this way here. */
1223 /* InitHeap(void *block , int n) */
1224 void psxBios_InitHeap() { // 0x39
1228 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
1231 if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
1236 heap_addr = (u32 *)Ra0;
1238 heap_end = (u32 *)((u8 *)heap_addr + heap_size);
1239 /* HACKFIX: Commenting out this line fixes GTA2 crash */
1240 //*heap_addr = SWAP32(size | 1);
1242 SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
1247 void psxBios_getchar() { //0x3b
1248 v0 = getchar(); pc0 = ra;
1251 void psxBios_printf() { // 0x3f
1261 memcpy(save, psp, 4 * 4);
1262 psxMu32ref(sp) = SWAP32((u32)a0);
1263 psxMu32ref(sp + 4) = SWAP32((u32)a1);
1264 psxMu32ref(sp + 8) = SWAP32((u32)a2);
1265 psxMu32ref(sp + 12) = SWAP32((u32)a3);
1277 tmp2[j++] = Ra0[i]; goto _start;
1279 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
1290 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
1294 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
1300 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
1302 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
1304 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1306 *ptmp++ = Ra0[i]; break;
1317 memcpy(psp, save, 4 * 4);
1319 SysPrintf("%s", tmp);
1324 void psxBios_format() { // 0x41
1325 if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0')
1327 CreateMcd(Config.Mcd1);
1328 LoadMcd(1, Config.Mcd1);
1331 else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0')
1333 CreateMcd(Config.Mcd2);
1334 LoadMcd(2, Config.Mcd2);
1345 * long Load(char *name, struct EXEC *header);
1348 void psxBios_Load() { // 0x42
1353 PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1357 if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) {
1358 memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC));
1366 * int Exec(struct EXEC *header , int argc , char **argv);
1369 void psxBios_Exec() { // 43
1370 EXEC *header = (EXEC*)Ra0;
1374 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1384 if (header->S_addr != 0) {
1385 tmp = header->S_addr + header->s_size;
1401 void psxBios_FlushCache() { // 44
1403 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1409 void psxBios_GPU_dw() { // 0x46
1414 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1417 GPU_writeData(0xa0000000);
1418 GPU_writeData((a1<<16)|(a0&0xffff));
1419 GPU_writeData((a3<<16)|(a2&0xffff));
1421 ptr = (s32*)PSXM(Rsp[4]); //that is correct?
1423 GPU_writeData(SWAP32(*ptr));
1430 void psxBios_mem2vram() { // 0x47
1433 GPU_writeData(0xa0000000);
1434 GPU_writeData((a1<<16)|(a0&0xffff));
1435 GPU_writeData((a3<<16)|(a2&0xffff));
1437 GPU_writeStatus(0x04000002);
1438 psxHwWrite32(0x1f8010f4,0);
1439 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1440 psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1441 psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1442 psxHwWrite32(0x1f8010a8,0x01000201);
1447 void psxBios_SendGPU() { // 0x48
1448 GPU_writeStatus(a0);
1453 void psxBios_GPU_cw() { // 0x49
1458 void psxBios_GPU_cwb() { // 0x4a
1459 s32 *ptr = (s32*)Ra0;
1462 GPU_writeData(SWAP32(*ptr));
1469 void psxBios_GPU_SendPackets() { //4b:
1470 GPU_writeStatus(0x04000002);
1471 psxHwWrite32(0x1f8010f4,0);
1472 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1473 psxHwWrite32(0x1f8010a0,a0);
1474 psxHwWrite32(0x1f8010a4,0);
1475 psxHwWrite32(0x1f8010a8,0x010000401);
1479 void psxBios_sys_a0_4c() { // 0x4c GPU relate
1480 psxHwWrite32(0x1f8010a8,0x00000401);
1481 GPU_writeData(0x0400000);
1482 GPU_writeData(0x0200000);
1483 GPU_writeData(0x0100000);
1488 void psxBios_GPU_GetGPUStatus() { // 0x4d
1489 v0 = GPU_readStatus();
1495 void psxBios_LoadExec() { // 51
1496 EXEC *header = (EXEC*)PSXM(0xf000);
1500 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1502 s_addr = a1; s_size = a2;
1507 header->S_addr = s_addr;
1508 header->s_size = s_size;
1510 a0 = 0xf000; a1 = 0; a2 = 0;
1514 void psxBios__bu_init() { // 70
1516 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1519 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1520 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1525 void psxBios__96_init() { // 71
1527 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1533 void psxBios__96_remove() { // 72
1535 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1541 void psxBios_SetMem() { // 9f
1542 u32 new = psxHu32(0x1060);
1545 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1550 psxHu32ref(0x1060) = SWAP32(new);
1551 psxMu32ref(0x060) = a0;
1552 SysPrintf("Change effective memory : %d MBytes\n",a0);
1556 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1557 psxMu32ref(0x060) = a0;
1558 SysPrintf("Change effective memory : %d MBytes\n",a0);
1561 SysPrintf("Effective memory must be 2/8 MBytes\n");
1568 /* TODO FIXME : Not compliant. -1 indicates failure but using 1 for now. */
1569 void psxBios_get_cd_status(void) //a6
1575 void psxBios__card_info() { // ab
1577 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1580 card_active_chan = a0;
1581 port = card_active_chan >> 4;
1587 if (McdDisable[port & 1])
1592 PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan);
1598 if (McdDisable[0] && McdDisable[1])
1601 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1602 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1603 DeliverEvent(0x81, ret); // 0xf4000001, 0x0004
1607 void psxBios__card_load() { // ac
1609 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1612 card_active_chan = a0;
1614 // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1615 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1620 /* System calls B0 */
1622 void psxBios_SetRCnt() { // 02
1624 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1631 psxRcntWtarget(a0, a1);
1632 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1633 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1634 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1635 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1636 else { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1638 psxRcntWmode(a0, mode);
1643 void psxBios_GetRCnt() { // 03
1645 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1649 if (a0 != 3) v0 = psxRcntRcount(a0);
1654 void psxBios_StartRCnt() { // 04
1656 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1660 if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1661 else psxHu32ref(0x1074)|= SWAPu32(0x1);
1665 void psxBios_StopRCnt() { // 05
1667 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1671 if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1672 else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1676 void psxBios_ResetRCnt() { // 06
1678 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1683 psxRcntWmode(a0, 0);
1684 psxRcntWtarget(a0, 0);
1685 psxRcntWcount(a0, 0);
1691 /* gets ev for use with EventCB */
1693 ev = (a0 >> 24) & 0xf; \
1694 if (ev == 0xf) ev = 0x5; \
1698 /* gets spec for use with EventCB */
1702 case 0x0301: spec = 16; break; \
1703 case 0x0302: spec = 17; break; \
1705 for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1709 void psxBios_DeliverEvent() { // 07
1717 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1720 DeliverEvent(ev, spec);
1725 void psxBios_OpenEvent() { // 08
1733 PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1736 EventCB[ev][spec].status = EvStWAIT;
1737 EventCB[ev][spec].mode = a2;
1738 EventCB[ev][spec].fhandler = a3;
1740 v0 = ev | (spec << 8);
1744 void psxBios_CloseEvent() { // 09
1748 spec = (a0 >> 8) & 0xff;
1751 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1754 EventCB[ev][spec].status = EvStUNUSED;
1759 void psxBios_WaitEvent() { // 0a
1763 spec = (a0 >> 8) & 0xff;
1765 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1767 if (EventCB[ev][spec].status == EvStUNUSED)
1774 if (EventCB[ev][spec].status == EvStALREADY)
1776 /* Callback events (mode=EvMdINTR) do never set the ready flag (and thus WaitEvent would hang forever). */
1777 if (!(EventCB[ev][spec].mode == EvMdINTR)) EventCB[ev][spec].status = EvStACTIVE;
1787 void psxBios_TestEvent() { // 0b
1791 spec = (a0 >> 8) & 0xff;
1793 if (EventCB[ev][spec].status == EvStALREADY)
1795 if (!(EventCB[ev][spec].mode == EvMdINTR)) EventCB[ev][spec].status = EvStACTIVE;
1804 PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1810 void psxBios_EnableEvent() { // 0c
1814 spec = (a0 >> 8) & 0xff;
1817 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1820 EventCB[ev][spec].status = EvStACTIVE;
1825 void psxBios_DisableEvent() { // 0d
1829 spec = (a0 >> 8) & 0xff;
1832 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1835 EventCB[ev][spec].status = EvStWAIT;
1841 * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1844 void psxBios_OpenTh() { // 0e
1847 for (th=1; th<8; th++)
1849 if (ThreadCB[th].status == 0) break;
1853 // Feb 2019 - Added out-of-bounds fix caught by cppcheck:
1854 // When no free TCB is found, return 0xffffffff according to Nocash doc.
1856 PSXBIOS_LOG("\t%s() WARNING! No Free TCBs found!\n", __func__);
1863 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1866 ThreadCB[th].status = 1;
1867 ThreadCB[th].func = a0;
1868 ThreadCB[th].reg[29] = a1;
1869 ThreadCB[th].reg[28] = a2;
1875 * int CloseTh(long thread);
1878 void psxBios_CloseTh() { // 0f
1882 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1884 /* The return value is always 1 (even if the handle was already closed). */
1886 if (ThreadCB[th].status != 0) {
1887 ThreadCB[th].status = 0;
1894 * int ChangeTh(long thread);
1897 void psxBios_ChangeTh() { // 10
1901 // PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1903 /* The return value is always 1. */
1905 if (ThreadCB[th].status == 0 || CurThread == th) {
1908 if (ThreadCB[CurThread].status == 2) {
1909 ThreadCB[CurThread].status = 1;
1910 ThreadCB[CurThread].func = ra;
1911 memcpy(ThreadCB[CurThread].reg, psxRegs.GPR.r, 32*4);
1914 memcpy(psxRegs.GPR.r, ThreadCB[th].reg, 32*4);
1915 pc0 = ThreadCB[th].func;
1916 ThreadCB[th].status = 2;
1921 void psxBios_InitPAD() { // 0x12
1923 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1926 pad_buf1 = (char*)Ra0;
1928 pad_buf2 = (char*)Ra2;
1934 void psxBios_StartPAD() { // 13
1936 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1939 psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1940 psxRegs.CP0.n.Status |= 0x401;
1944 void psxBios_StopPAD() { // 14
1946 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1954 void psxBios_PAD_init() { // 15
1956 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1958 if (!(a0 == 0x20000000 || a0 == 0x20000001))
1964 psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1965 pad_buf = (int *)Ra1;
1967 psxRegs.CP0.n.Status |= 0x401;
1972 void psxBios_PAD_dr() { // 16
1974 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1980 void psxBios_ReturnFromException() { // 17
1983 pc0 = psxRegs.CP0.n.EPC;
1985 if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1987 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1988 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1991 void psxBios_ResetEntryInt() { // 18
1993 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
2000 void psxBios_HookEntryInt() { // 19
2002 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
2005 jmp_int = (u32*)Ra0;
2009 void psxBios_UnDeliverEvent() { // 0x20
2017 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
2020 if (EventCB[ev][spec].status == EvStALREADY &&
2021 EventCB[ev][spec].mode == EvMdNOINTR)
2022 EventCB[ev][spec].status = EvStACTIVE;
2027 char ffile[64], *pfile;
2030 static void buopen(int mcd, char *ptr, char *cfg)
2033 char *mcd_data = ptr;
2035 strcpy(FDesc[1 + mcd].name, Ra0+5);
2036 FDesc[1 + mcd].offset = 0;
2037 FDesc[1 + mcd].mode = a1;
2039 for (i=1; i<16; i++) {
2040 const char *fptr = mcd_data + 128 * i;
2041 if ((*fptr & 0xF0) != 0x50) continue;
2042 if (strcmp(FDesc[1 + mcd].name, fptr+0xa)) continue;
2043 FDesc[1 + mcd].mcfile = i;
2044 SysPrintf("open %s\n", fptr+0xa);
2048 if (a1 & 0x200 && v0 == -1) { /* FCREAT */
2049 for (i=1; i<16; i++) {
2050 int j, xor, nblk = a1 >> 16;
2052 char *fptr = mcd_data + 128 * i;
2054 if ((*fptr & 0xF0) != 0xa0) continue;
2056 FDesc[1 + mcd].mcfile = i;
2059 fptr[5] = 0x20 * nblk;
2062 strcpy(fptr+0xa, FDesc[1 + mcd].name);
2063 pptr = fptr2 = fptr;
2064 for(j=2; j<=nblk; j++) {
2066 for(i++; i<16; i++) {
2069 memset(fptr2, 0, 128);
2070 fptr2[0] = j < nblk ? 0x52 : 0x53;
2073 for (k=0, xor=0; k<127; k++) xor^= pptr[k];
2078 /* shouldn't this return ENOSPC if i == 16? */
2080 pptr[8] = pptr[9] = 0xff;
2081 for (j=0, xor=0; j<127; j++) xor^= pptr[j];
2083 SysPrintf("openC %s %d\n", ptr, nblk);
2085 /* just go ahead and resave them all */
2086 SaveMcd(cfg, ptr, 128, 128 * 15);
2089 /* shouldn't this return ENOSPC if i == 16? */
2094 * int open(char *name , int mode);
2097 void psxBios_open() { // 0x32
2101 PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
2107 if (!strncmp(pa0, "bu00", 4)) {
2108 buopen(1, Mcd1Data, Config.Mcd1);
2111 if (!strncmp(pa0, "bu10", 4)) {
2112 buopen(2, Mcd2Data, Config.Mcd2);
2120 * int lseek(int fd , int offset , int whence);
2123 void psxBios_lseek() { // 0x33
2125 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
2130 FDesc[a0].offset = a1;
2132 // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2133 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2137 FDesc[a0].offset+= a1;
2138 v0 = FDesc[a0].offset;
2147 * int read(int fd , void *buf , int nbytes);
2150 void psxBios_read() { // 0x34
2155 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
2162 case 2: buread(pa1, 1, a2); break;
2163 case 3: buread(pa1, 2, a2); break;
2171 * int write(int fd , void *buf , int nbytes);
2174 void psxBios_write() { // 0x35/0x03
2179 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
2188 if (a0 == 1) { // stdout
2193 SysPrintf("%c", *ptr++); a2--;
2199 case 2: buwrite(pa1, 1, a2); break;
2200 case 3: buwrite(pa1, 2, a2); break;
2207 * int close(int fd);
2210 void psxBios_close() { // 0x36
2212 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
2219 void psxBios_putchar() { // 3d
2220 SysPrintf("%c", (char)a0);
2224 void psxBios_puts() { // 3e/3f
2225 SysPrintf("%s", Ra0);
2230 /* To avoid any issues with different behaviour when using the libc's own strlen instead.
2231 * We want to mimic the PSX's behaviour in this case for bufile. */
2232 static size_t strlen_internal(char* p)
2234 size_t size_of_array = 0;
2235 while (*p++) size_of_array++;
2236 return size_of_array;
2239 #define bufile(mcd) { \
2240 size_t size_of_name = strlen_internal(dir->name); \
2241 while (nfile < 16) { \
2244 ptr = Mcd##mcd##Data + 128 * (nfile + 1); \
2246 if ((*ptr & 0xF0) != 0x50) continue; \
2247 /* Bug link files show up as free block. */ \
2248 if (!ptr[0xa]) continue; \
2250 if (pfile[0] == 0) { \
2251 strncpy(dir->name, ptr, sizeof(dir->name) - 1); \
2252 if (size_of_name < sizeof(dir->name)) dir->name[size_of_name] = '\0'; \
2253 } else for (i=0; i<20; i++) { \
2254 if (pfile[i] == ptr[i]) { \
2255 dir->name[i] = ptr[i]; continue; } \
2256 if (pfile[i] == '?') { \
2257 dir->name[i] = ptr[i]; continue; } \
2258 if (pfile[i] == '*') { \
2259 strcpy(dir->name+i, ptr+i); break; } \
2262 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
2263 if (match == 0) { continue; } \
2271 * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
2274 void psxBios_firstfile() { // 42
2275 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
2282 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
2291 if (!strncmp(pa0, "bu00", 4)) {
2292 // firstfile() calls _card_read() internally, so deliver it's event
2293 DeliverEvent(0x11, 0x2);
2295 } else if (!strncmp(pa0, "bu10", 4)) {
2296 // firstfile() calls _card_read() internally, so deliver it's event
2297 DeliverEvent(0x11, 0x2);
2306 * struct DIRENTRY* nextfile(struct DIRENTRY *dir);
2309 void psxBios_nextfile() { // 43
2310 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
2316 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
2321 if (!strncmp(ffile, "bu00", 4)) {
2325 if (!strncmp(ffile, "bu10", 4)) {
2332 #define burename(mcd) { \
2333 for (i=1; i<16; i++) { \
2334 int namelen, j, xor = 0; \
2335 ptr = Mcd##mcd##Data + 128 * i; \
2336 if ((*ptr & 0xF0) != 0x50) continue; \
2337 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2338 namelen = strlen(Ra1+5); \
2339 memcpy(ptr+0xa, Ra1+5, namelen); \
2340 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
2341 for (j=0; j<127; j++) xor^= ptr[j]; \
2343 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
2350 * int rename(char *old, char *new);
2353 void psxBios_rename() { // 44
2360 PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
2366 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
2370 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
2379 #define budelete(mcd) { \
2380 for (i=1; i<16; i++) { \
2381 ptr = Mcd##mcd##Data + 128 * i; \
2382 if ((*ptr & 0xF0) != 0x50) continue; \
2383 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2384 *ptr = (*ptr & 0xf) | 0xA0; \
2385 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
2386 SysPrintf("delete %s\n", ptr+0xa); \
2393 * int delete(char *name);
2396 void psxBios_delete() { // 45
2402 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2408 if (!strncmp(pa0, "bu00", 4)) {
2412 if (!strncmp(pa0, "bu10", 4)) {
2420 void psxBios_InitCARD() { // 4a
2422 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2430 void psxBios_StartCARD() { // 4b
2432 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2435 if (CardState == 0) CardState = 1;
2440 void psxBios_StopCARD() { // 4c
2442 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2445 if (CardState == 1) CardState = 0;
2450 void psxBios__card_write() { // 0x4e
2455 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2458 Function also accepts sector 400h (a bug).
2459 But notaz said we shouldn't allow sector 400h because it can corrupt the emulator.
2463 /* Invalid sectors */
2467 card_active_chan = a0;
2472 memcpy(Mcd1Data + a1 * 128, pa2, 128);
2473 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2475 memcpy(Mcd2Data + a1 * 128, pa2, 128);
2476 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2480 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2481 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2486 void psxBios__card_read() { // 0x4f
2491 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2494 Function also accepts sector 400h (a bug).
2495 But notaz said we shouldn't allow sector 400h because it can corrupt the emulator.
2499 /* Invalid sectors */
2503 card_active_chan = a0;
2508 memcpy(pa2, Mcd1Data + a1 * 128, 128);
2510 memcpy(pa2, Mcd2Data + a1 * 128, 128);
2514 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2515 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2520 void psxBios__new_card() { // 0x50
2522 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2528 /* According to a user, this allows Final Fantasy Tactics to save/load properly */
2529 void psxBios__get_error(void) // 55
2535 void psxBios_Krom2RawAdd() { // 0x51
2538 const u32 table_8140[][2] = {
2539 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2540 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2541 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2542 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2543 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2544 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2545 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2546 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2547 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2551 const u32 table_889f[][2] = {
2552 {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4},
2553 {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304},
2554 {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14},
2555 {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24},
2556 {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734},
2557 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2558 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2559 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2563 if (a0 >= 0x8140 && a0 <= 0x84be) {
2564 while (table_8140[i][0] <= a0) i++;
2565 a0 -= table_8140[i - 1][0];
2566 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2567 } else if (a0 >= 0x889f && a0 <= 0x9872) {
2568 while (table_889f[i][0] <= a0) i++;
2569 a0 -= table_889f[i - 1][0];
2570 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2578 void psxBios_GetC0Table() { // 56
2580 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2583 v0 = 0x674; pc0 = ra;
2586 void psxBios_GetB0Table() { // 57
2588 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2591 v0 = 0x874; pc0 = ra;
2594 void psxBios__card_chan() { // 0x58
2596 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2599 v0 = card_active_chan;
2603 void psxBios_ChangeClearPad() { // 5b
2605 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2611 void psxBios__card_status() { // 5c
2613 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5c], a0);
2616 v0 = card_active_chan;
2620 void psxBios__card_wait() { // 5d
2622 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5d], a0);
2629 /* System calls C0 */
2632 * int SysEnqIntRP(int index , long *queue);
2635 void psxBios_SysEnqIntRP() { // 02
2637 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2646 * int SysDeqIntRP(int index , long *queue);
2649 void psxBios_SysDeqIntRP() { // 03
2651 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2659 void psxBios_ChangeClearRCnt() { // 0a
2663 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2666 ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2670 // psxRegs.CP0.n.Status|= 0x404;
2674 void psxBios_dummy() {
2676 PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2681 void (*biosA0[256])();
2682 void (*biosB0[256])();
2683 void (*biosC0[256])();
2685 #include "sjisfont.h"
2687 void psxBiosInit() {
2693 for(i = 0; i < 256; i++) {
2698 biosA0[0x3e] = psxBios_puts;
2699 biosA0[0x3f] = psxBios_printf;
2701 biosB0[0x3d] = psxBios_putchar;
2702 biosB0[0x3f] = psxBios_puts;
2704 if (!Config.HLE) return;
2706 for(i = 0; i < 256; i++) {
2707 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2708 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2709 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2712 biosA0[0x00] = psxBios_open;
2713 biosA0[0x01] = psxBios_lseek;
2714 biosA0[0x02] = psxBios_read;
2715 biosA0[0x03] = psxBios_write;
2716 biosA0[0x04] = psxBios_close;
2717 //biosA0[0x05] = psxBios_ioctl;
2718 //biosA0[0x06] = psxBios_exit;
2719 //biosA0[0x07] = psxBios_sys_a0_07;
2720 biosA0[0x08] = psxBios_getc;
2721 biosA0[0x09] = psxBios_putc;
2722 biosA0[0x0a] = psxBios_todigit;
2723 //biosA0[0x0b] = psxBios_atof;
2724 //biosA0[0x0c] = psxBios_strtoul;
2725 //biosA0[0x0d] = psxBios_strtol;
2726 biosA0[0x0e] = psxBios_abs;
2727 biosA0[0x0f] = psxBios_labs;
2728 biosA0[0x10] = psxBios_atoi;
2729 biosA0[0x11] = psxBios_atol;
2730 //biosA0[0x12] = psxBios_atob;
2731 biosA0[0x13] = psxBios_setjmp;
2732 biosA0[0x14] = psxBios_longjmp;
2733 biosA0[0x15] = psxBios_strcat;
2734 biosA0[0x16] = psxBios_strncat;
2735 biosA0[0x17] = psxBios_strcmp;
2736 biosA0[0x18] = psxBios_strncmp;
2737 biosA0[0x19] = psxBios_strcpy;
2738 biosA0[0x1a] = psxBios_strncpy;
2739 biosA0[0x1b] = psxBios_strlen;
2740 biosA0[0x1c] = psxBios_index;
2741 biosA0[0x1d] = psxBios_rindex;
2742 biosA0[0x1e] = psxBios_strchr;
2743 biosA0[0x1f] = psxBios_strrchr;
2744 biosA0[0x20] = psxBios_strpbrk;
2745 biosA0[0x21] = psxBios_strspn;
2746 biosA0[0x22] = psxBios_strcspn;
2747 biosA0[0x23] = psxBios_strtok;
2748 biosA0[0x24] = psxBios_strstr;
2749 biosA0[0x25] = psxBios_toupper;
2750 biosA0[0x26] = psxBios_tolower;
2751 biosA0[0x27] = psxBios_bcopy;
2752 biosA0[0x28] = psxBios_bzero;
2753 biosA0[0x29] = psxBios_bcmp;
2754 biosA0[0x2a] = psxBios_memcpy;
2755 biosA0[0x2b] = psxBios_memset;
2756 biosA0[0x2c] = psxBios_memmove;
2757 biosA0[0x2d] = psxBios_memcmp;
2758 biosA0[0x2e] = psxBios_memchr;
2759 biosA0[0x2f] = psxBios_rand;
2760 biosA0[0x30] = psxBios_srand;
2761 biosA0[0x31] = psxBios_qsort;
2762 //biosA0[0x32] = psxBios_strtod;
2763 biosA0[0x33] = psxBios_malloc;
2764 biosA0[0x34] = psxBios_free;
2765 //biosA0[0x35] = psxBios_lsearch;
2766 //biosA0[0x36] = psxBios_bsearch;
2767 biosA0[0x37] = psxBios_calloc;
2768 biosA0[0x38] = psxBios_realloc;
2769 biosA0[0x39] = psxBios_InitHeap;
2770 //biosA0[0x3a] = psxBios__exit;
2771 biosA0[0x3b] = psxBios_getchar;
2772 biosA0[0x3c] = psxBios_putchar;
2773 //biosA0[0x3d] = psxBios_gets;
2774 //biosA0[0x40] = psxBios_sys_a0_40;
2775 //biosA0[0x41] = psxBios_LoadTest;
2776 biosA0[0x42] = psxBios_Load;
2777 biosA0[0x43] = psxBios_Exec;
2778 biosA0[0x44] = psxBios_FlushCache;
2779 //biosA0[0x45] = psxBios_InstallInterruptHandler;
2780 biosA0[0x46] = psxBios_GPU_dw;
2781 biosA0[0x47] = psxBios_mem2vram;
2782 biosA0[0x48] = psxBios_SendGPU;
2783 biosA0[0x49] = psxBios_GPU_cw;
2784 biosA0[0x4a] = psxBios_GPU_cwb;
2785 biosA0[0x4b] = psxBios_GPU_SendPackets;
2786 biosA0[0x4c] = psxBios_sys_a0_4c;
2787 biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2788 //biosA0[0x4e] = psxBios_GPU_sync;
2789 //biosA0[0x4f] = psxBios_sys_a0_4f;
2790 //biosA0[0x50] = psxBios_sys_a0_50;
2791 biosA0[0x51] = psxBios_LoadExec;
2792 //biosA0[0x52] = psxBios_GetSysSp;
2793 //biosA0[0x53] = psxBios_sys_a0_53;
2794 //biosA0[0x54] = psxBios__96_init_a54;
2795 //biosA0[0x55] = psxBios__bu_init_a55;
2796 //biosA0[0x56] = psxBios__96_remove_a56;
2797 //biosA0[0x57] = psxBios_sys_a0_57;
2798 //biosA0[0x58] = psxBios_sys_a0_58;
2799 //biosA0[0x59] = psxBios_sys_a0_59;
2800 //biosA0[0x5a] = psxBios_sys_a0_5a;
2801 //biosA0[0x5b] = psxBios_dev_tty_init;
2802 //biosA0[0x5c] = psxBios_dev_tty_open;
2803 //biosA0[0x5d] = psxBios_sys_a0_5d;
2804 //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2805 //biosA0[0x5f] = psxBios_dev_cd_open;
2806 //biosA0[0x60] = psxBios_dev_cd_read;
2807 //biosA0[0x61] = psxBios_dev_cd_close;
2808 //biosA0[0x62] = psxBios_dev_cd_firstfile;
2809 //biosA0[0x63] = psxBios_dev_cd_nextfile;
2810 //biosA0[0x64] = psxBios_dev_cd_chdir;
2811 //biosA0[0x65] = psxBios_dev_card_open;
2812 //biosA0[0x66] = psxBios_dev_card_read;
2813 //biosA0[0x67] = psxBios_dev_card_write;
2814 //biosA0[0x68] = psxBios_dev_card_close;
2815 //biosA0[0x69] = psxBios_dev_card_firstfile;
2816 //biosA0[0x6a] = psxBios_dev_card_nextfile;
2817 //biosA0[0x6b] = psxBios_dev_card_erase;
2818 //biosA0[0x6c] = psxBios_dev_card_undelete;
2819 //biosA0[0x6d] = psxBios_dev_card_format;
2820 //biosA0[0x6e] = psxBios_dev_card_rename;
2821 //biosA0[0x6f] = psxBios_dev_card_6f;
2822 biosA0[0x70] = psxBios__bu_init;
2823 biosA0[0x71] = psxBios__96_init;
2824 biosA0[0x72] = psxBios__96_remove;
2825 //biosA0[0x73] = psxBios_sys_a0_73;
2826 //biosA0[0x74] = psxBios_sys_a0_74;
2827 //biosA0[0x75] = psxBios_sys_a0_75;
2828 //biosA0[0x76] = psxBios_sys_a0_76;
2829 //biosA0[0x77] = psxBios_sys_a0_77;
2830 //biosA0[0x78] = psxBios__96_CdSeekL;
2831 //biosA0[0x79] = psxBios_sys_a0_79;
2832 //biosA0[0x7a] = psxBios_sys_a0_7a;
2833 //biosA0[0x7b] = psxBios_sys_a0_7b;
2834 //biosA0[0x7c] = psxBios__96_CdGetStatus;
2835 //biosA0[0x7d] = psxBios_sys_a0_7d;
2836 //biosA0[0x7e] = psxBios__96_CdRead;
2837 //biosA0[0x7f] = psxBios_sys_a0_7f;
2838 //biosA0[0x80] = psxBios_sys_a0_80;
2839 //biosA0[0x81] = psxBios_sys_a0_81;
2840 //biosA0[0x82] = psxBios_sys_a0_82;
2841 //biosA0[0x83] = psxBios_sys_a0_83;
2842 //biosA0[0x84] = psxBios_sys_a0_84;
2843 //biosA0[0x85] = psxBios__96_CdStop;
2844 //biosA0[0x86] = psxBios_sys_a0_86;
2845 //biosA0[0x87] = psxBios_sys_a0_87;
2846 //biosA0[0x88] = psxBios_sys_a0_88;
2847 //biosA0[0x89] = psxBios_sys_a0_89;
2848 //biosA0[0x8a] = psxBios_sys_a0_8a;
2849 //biosA0[0x8b] = psxBios_sys_a0_8b;
2850 //biosA0[0x8c] = psxBios_sys_a0_8c;
2851 //biosA0[0x8d] = psxBios_sys_a0_8d;
2852 //biosA0[0x8e] = psxBios_sys_a0_8e;
2853 //biosA0[0x8f] = psxBios_sys_a0_8f;
2854 //biosA0[0x90] = psxBios_sys_a0_90;
2855 //biosA0[0x91] = psxBios_sys_a0_91;
2856 //biosA0[0x92] = psxBios_sys_a0_92;
2857 //biosA0[0x93] = psxBios_sys_a0_93;
2858 //biosA0[0x94] = psxBios_sys_a0_94;
2859 //biosA0[0x95] = psxBios_sys_a0_95;
2860 //biosA0[0x96] = psxBios_AddCDROMDevice;
2861 //biosA0[0x97] = psxBios_AddMemCardDevide;
2862 //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2863 //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2864 //biosA0[0x9a] = psxBios_sys_a0_9a;
2865 //biosA0[0x9b] = psxBios_sys_a0_9b;
2866 //biosA0[0x9c] = psxBios_SetConf;
2867 //biosA0[0x9d] = psxBios_GetConf;
2868 //biosA0[0x9e] = psxBios_sys_a0_9e;
2869 biosA0[0x9f] = psxBios_SetMem;
2870 //biosA0[0xa0] = psxBios__boot;
2871 //biosA0[0xa1] = psxBios_SystemError;
2872 //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2873 //biosA0[0xa3] = psxBios_DequeueCdIntr;
2874 //biosA0[0xa4] = psxBios_sys_a0_a4;
2875 //biosA0[0xa5] = psxBios_ReadSector;
2876 biosA0[0xa6] = psxBios_get_cd_status;
2877 //biosA0[0xa7] = psxBios_bufs_cb_0;
2878 //biosA0[0xa8] = psxBios_bufs_cb_1;
2879 //biosA0[0xa9] = psxBios_bufs_cb_2;
2880 //biosA0[0xaa] = psxBios_bufs_cb_3;
2881 biosA0[0xab] = psxBios__card_info;
2882 biosA0[0xac] = psxBios__card_load;
2883 //biosA0[0axd] = psxBios__card_auto;
2884 //biosA0[0xae] = psxBios_bufs_cd_4;
2885 //biosA0[0xaf] = psxBios_sys_a0_af;
2886 //biosA0[0xb0] = psxBios_sys_a0_b0;
2887 //biosA0[0xb1] = psxBios_sys_a0_b1;
2888 //biosA0[0xb2] = psxBios_do_a_long_jmp
2889 //biosA0[0xb3] = psxBios_sys_a0_b3;
2890 //biosA0[0xb4] = psxBios_sub_function;
2891 //*******************B0 CALLS****************************
2892 //biosB0[0x00] = psxBios_SysMalloc;
2893 //biosB0[0x01] = psxBios_sys_b0_01;
2894 biosB0[0x02] = psxBios_SetRCnt;
2895 biosB0[0x03] = psxBios_GetRCnt;
2896 biosB0[0x04] = psxBios_StartRCnt;
2897 biosB0[0x05] = psxBios_StopRCnt;
2898 biosB0[0x06] = psxBios_ResetRCnt;
2899 biosB0[0x07] = psxBios_DeliverEvent;
2900 biosB0[0x08] = psxBios_OpenEvent;
2901 biosB0[0x09] = psxBios_CloseEvent;
2902 biosB0[0x0a] = psxBios_WaitEvent;
2903 biosB0[0x0b] = psxBios_TestEvent;
2904 biosB0[0x0c] = psxBios_EnableEvent;
2905 biosB0[0x0d] = psxBios_DisableEvent;
2906 biosB0[0x0e] = psxBios_OpenTh;
2907 biosB0[0x0f] = psxBios_CloseTh;
2908 biosB0[0x10] = psxBios_ChangeTh;
2909 //biosB0[0x11] = psxBios_psxBios_b0_11;
2910 biosB0[0x12] = psxBios_InitPAD;
2911 biosB0[0x13] = psxBios_StartPAD;
2912 biosB0[0x14] = psxBios_StopPAD;
2913 biosB0[0x15] = psxBios_PAD_init;
2914 biosB0[0x16] = psxBios_PAD_dr;
2915 biosB0[0x17] = psxBios_ReturnFromException;
2916 biosB0[0x18] = psxBios_ResetEntryInt;
2917 biosB0[0x19] = psxBios_HookEntryInt;
2918 //biosB0[0x1a] = psxBios_sys_b0_1a;
2919 //biosB0[0x1b] = psxBios_sys_b0_1b;
2920 //biosB0[0x1c] = psxBios_sys_b0_1c;
2921 //biosB0[0x1d] = psxBios_sys_b0_1d;
2922 //biosB0[0x1e] = psxBios_sys_b0_1e;
2923 //biosB0[0x1f] = psxBios_sys_b0_1f;
2924 biosB0[0x20] = psxBios_UnDeliverEvent;
2925 //biosB0[0x21] = psxBios_sys_b0_21;
2926 //biosB0[0x22] = psxBios_sys_b0_22;
2927 //biosB0[0x23] = psxBios_sys_b0_23;
2928 //biosB0[0x24] = psxBios_sys_b0_24;
2929 //biosB0[0x25] = psxBios_sys_b0_25;
2930 //biosB0[0x26] = psxBios_sys_b0_26;
2931 //biosB0[0x27] = psxBios_sys_b0_27;
2932 //biosB0[0x28] = psxBios_sys_b0_28;
2933 //biosB0[0x29] = psxBios_sys_b0_29;
2934 //biosB0[0x2a] = psxBios_sys_b0_2a;
2935 //biosB0[0x2b] = psxBios_sys_b0_2b;
2936 //biosB0[0x2c] = psxBios_sys_b0_2c;
2937 //biosB0[0x2d] = psxBios_sys_b0_2d;
2938 //biosB0[0x2e] = psxBios_sys_b0_2e;
2939 //biosB0[0x2f] = psxBios_sys_b0_2f;
2940 //biosB0[0x30] = psxBios_sys_b0_30;
2941 //biosB0[0x31] = psxBios_sys_b0_31;
2942 biosB0[0x32] = psxBios_open;
2943 biosB0[0x33] = psxBios_lseek;
2944 biosB0[0x34] = psxBios_read;
2945 biosB0[0x35] = psxBios_write;
2946 biosB0[0x36] = psxBios_close;
2947 //biosB0[0x37] = psxBios_ioctl;
2948 //biosB0[0x38] = psxBios_exit;
2949 //biosB0[0x39] = psxBios_sys_b0_39;
2950 //biosB0[0x3a] = psxBios_getc;
2951 //biosB0[0x3b] = psxBios_putc;
2952 biosB0[0x3c] = psxBios_getchar;
2953 //biosB0[0x3e] = psxBios_gets;
2954 //biosB0[0x40] = psxBios_cd;
2955 biosB0[0x41] = psxBios_format;
2956 biosB0[0x42] = psxBios_firstfile;
2957 biosB0[0x43] = psxBios_nextfile;
2958 biosB0[0x44] = psxBios_rename;
2959 biosB0[0x45] = psxBios_delete;
2960 //biosB0[0x46] = psxBios_undelete;
2961 //biosB0[0x47] = psxBios_AddDevice;
2962 //biosB0[0x48] = psxBios_RemoteDevice;
2963 //biosB0[0x49] = psxBios_PrintInstalledDevices;
2964 biosB0[0x4a] = psxBios_InitCARD;
2965 biosB0[0x4b] = psxBios_StartCARD;
2966 biosB0[0x4c] = psxBios_StopCARD;
2967 //biosB0[0x4d] = psxBios_sys_b0_4d;
2968 biosB0[0x4e] = psxBios__card_write;
2969 biosB0[0x4f] = psxBios__card_read;
2970 biosB0[0x50] = psxBios__new_card;
2971 biosB0[0x51] = psxBios_Krom2RawAdd;
2972 //biosB0[0x52] = psxBios_sys_b0_52;
2973 //biosB0[0x53] = psxBios_sys_b0_53;
2974 //biosB0[0x54] = psxBios__get_errno;
2975 biosB0[0x55] = psxBios__get_error;
2976 biosB0[0x56] = psxBios_GetC0Table;
2977 biosB0[0x57] = psxBios_GetB0Table;
2978 biosB0[0x58] = psxBios__card_chan;
2979 //biosB0[0x59] = psxBios_sys_b0_59;
2980 //biosB0[0x5a] = psxBios_sys_b0_5a;
2981 biosB0[0x5b] = psxBios_ChangeClearPad;
2982 biosB0[0x5c] = psxBios__card_status;
2983 biosB0[0x5d] = psxBios__card_wait;
2984 //*******************C0 CALLS****************************
2985 //biosC0[0x00] = psxBios_InitRCnt;
2986 //biosC0[0x01] = psxBios_InitException;
2987 biosC0[0x02] = psxBios_SysEnqIntRP;
2988 biosC0[0x03] = psxBios_SysDeqIntRP;
2989 //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2990 //biosC0[0x05] = psxBios_get_free_TCB_slot;
2991 //biosC0[0x06] = psxBios_ExceptionHandler;
2992 //biosC0[0x07] = psxBios_InstallExeptionHandler;
2993 //biosC0[0x08] = psxBios_SysInitMemory;
2994 //biosC0[0x09] = psxBios_SysInitKMem;
2995 biosC0[0x0a] = psxBios_ChangeClearRCnt;
2996 //biosC0[0x0b] = psxBios_SystemError;
2997 //biosC0[0x0c] = psxBios_InitDefInt;
2998 //biosC0[0x0d] = psxBios_sys_c0_0d;
2999 //biosC0[0x0e] = psxBios_sys_c0_0e;
3000 //biosC0[0x0f] = psxBios_sys_c0_0f;
3001 //biosC0[0x10] = psxBios_sys_c0_10;
3002 //biosC0[0x11] = psxBios_sys_c0_11;
3003 //biosC0[0x12] = psxBios_InstallDevices;
3004 //biosC0[0x13] = psxBios_FlushStfInOutPut;
3005 //biosC0[0x14] = psxBios_sys_c0_14;
3006 //biosC0[0x15] = psxBios__cdevinput;
3007 //biosC0[0x16] = psxBios__cdevscan;
3008 //biosC0[0x17] = psxBios__circgetc;
3009 //biosC0[0x18] = psxBios__circputc;
3010 //biosC0[0x19] = psxBios_ioabort;
3011 //biosC0[0x1a] = psxBios_sys_c0_1a
3012 //biosC0[0x1b] = psxBios_KernelRedirect;
3013 //biosC0[0x1c] = psxBios_PatchAOTable;
3014 //************** THE END ***************************************
3017 size = sizeof(EvCB) * 32;
3018 EventCB = (void *)&psxR[base]; base += size * 6;
3019 memset(EventCB, 0, size * 6);
3021 EvEV = EventCB + 32;
3022 RcEV = EventCB + 32 * 2;
3023 UeEV = EventCB + 32 * 3;
3024 SwEV = EventCB + 32 * 4;
3025 ThEV = EventCB + 32 * 5;
3027 ptr = (u32 *)&psxM[0x0874]; // b0 table
3028 ptr[0] = SWAPu32(0x4c54 - 0x884);
3030 ptr = (u32 *)&psxM[0x0674]; // c0 table
3031 ptr[6] = SWAPu32(0xc80);
3033 memset(SysIntRP, 0, sizeof(SysIntRP));
3034 memset(ThreadCB, 0, sizeof(ThreadCB));
3035 ThreadCB[0].status = 2; // main thread
3042 pad_buf1len = pad_buf2len = 0;
3048 memset(FDesc, 0, sizeof(FDesc));
3049 card_active_chan = 0;
3051 psxMu32ref(0x0150) = SWAPu32(0x160);
3052 psxMu32ref(0x0154) = SWAPu32(0x320);
3053 psxMu32ref(0x0160) = SWAPu32(0x248);
3054 strcpy((char *)&psxM[0x248], "bu");
3055 /* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
3056 psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
3057 psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
3058 psxMu32ref(0x09e0) = SWAPu32(0x43d0);
3059 psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
3062 psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
3063 /* Whatever this does, it actually breaks CTR, even without the uninitiliazed memory patch.
3064 Normally games shouldn't read from address 0 yet they do. See explanation below in details. */
3065 //psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
3066 psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
3067 psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
3068 psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
3069 psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
3070 psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
3071 psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
3072 psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
3073 psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
3075 // initial stack pointer for BIOS interrupt
3076 psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
3079 psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
3082 len = 0x80000 - 0x66000;
3083 uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
3084 len = 0x80000 - 0x69d68;
3085 uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
3088 psxHu32ref(0x1060) = SWAPu32(0x00000b88);
3090 hleSoftCall = FALSE;
3092 /* Some games like R-Types, CTR, Fade to Black read from adress 0x00000000 due to uninitialized pointers.
3093 See Garbage Area at Address 00000000h in Nocash PSX Specfications for more information.
3094 Here are some examples of games not working with this fix in place :
3095 R-type won't get past the Irem logo if not implemented.
3096 Crash Team Racing will softlock after the Sony logo.
3099 psxMu32ref(0x0000) = SWAPu32(0x00000003);
3101 But overwritten by 00000003h after soon.
3102 psxMu32ref(0x0000) = SWAPu32(0x00001A3C);
3104 psxMu32ref(0x0004) = SWAPu32(0x800C5A27);
3105 psxMu32ref(0x0008) = SWAPu32(0x08000403);
3106 psxMu32ref(0x000C) = SWAPu32(0x00000000);
3109 void psxBiosShutdown() {
3112 #define psxBios_PADpoll(pad) { \
3113 PAD##pad##_startPoll(pad); \
3114 pad_buf##pad[0] = 0; \
3115 pad_buf##pad[1] = PAD##pad##_poll(0x42); \
3116 if (!(pad_buf##pad[1] & 0x0f)) { \
3119 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
3121 PAD##pad##_poll(0); \
3123 while (bufcount--) { \
3124 pad_buf##pad[i++] = PAD##pad##_poll(0); \
3128 void biosInterrupt() {
3131 // if (psxHu32(0x1070) & 0x1) { // Vsync
3132 if (pad_buf != NULL) {
3133 u32 *buf = (u32*)pad_buf;
3135 if (!Config.UseNet) {
3137 if (PAD1_poll(0x42) == 0x23) {
3139 *buf = PAD1_poll(0) << 8;
3140 *buf |= PAD1_poll(0);
3142 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
3143 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
3146 *buf = PAD1_poll(0) << 8;
3147 *buf|= PAD1_poll(0);
3151 if (PAD2_poll(0x42) == 0x23) {
3153 *buf |= PAD2_poll(0) << 24;
3154 *buf |= PAD2_poll(0) << 16;
3156 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
3157 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
3160 *buf |= PAD2_poll(0) << 24;
3161 *buf |= PAD2_poll(0) << 16;
3169 data = PAD1_poll(0) << 8;
3170 data |= PAD1_poll(0);
3172 if (NET_sendPadData(&data, 2) == -1)
3175 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
3177 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
3181 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
3184 if (NET_sendPadData(pad_buf1, i) == -1)
3187 if (NET_recvPadData(pad_buf1, 1) == -1)
3189 if (NET_recvPadData(pad_buf2, 2) == -1)
3203 if (psxHu32(0x1070) & 0x1) { // Vsync
3204 if (RcEV[3][1].status == EvStACTIVE) {
3205 softCall(RcEV[3][1].fhandler);
3206 // hwWrite32(0x1f801070, ~(1));
3210 if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
3213 for (i = 0; i < 3; i++) {
3214 if (psxHu32(0x1070) & (1 << (i + 4))) {
3215 if (RcEV[i][1].status == EvStACTIVE) {
3216 softCall(RcEV[i][1].fhandler);
3218 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
3224 void psxBiosException() {
3227 switch (psxRegs.CP0.n.Cause & 0x3c) {
3228 case 0x00: // Interrupt
3229 interrupt_r26=psxRegs.CP0.n.EPC;
3231 // PSXCPU_LOG("interrupt\n");
3235 sp = psxMu32(0x6c80); // create new stack for interrupt handlers
3239 for (i = 0; i < 8; i++) {
3241 u32 *queue = (u32 *)PSXM(SysIntRP[i]);
3248 if (jmp_int != NULL) {
3251 psxHwWrite32(0x1f801070, 0xffffffff);
3256 for (i = 0; i < 8; i++) // s0-s7
3257 psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
3264 psxHwWrite16(0x1f801070, 0);
3267 case 0x20: // Syscall
3269 PSXCPU_LOG("syscall exp %x\n", a0);
3272 case 1: // EnterCritical - disable irq's
3273 /* Fixes Medievil 2 not loading up new game, Digimon World not booting up and possibly others */
3274 v0 = (psxRegs.CP0.n.Status & 0x404) == 0x404;
3275 psxRegs.CP0.n.Status &= ~0x404;
3278 case 2: // ExitCritical - enable irq's
3279 psxRegs.CP0.n.Status |= 0x404;
3281 /* Normally this should cover SYS(00h, SYS(04h but they don't do anything relevant so... */
3285 pc0 = psxRegs.CP0.n.EPC + 4;
3287 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3288 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3293 PSXCPU_LOG("unknown bios exception!\n");
3298 pc0 = psxRegs.CP0.n.EPC;
3299 if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
3301 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3302 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3305 #define bfreeze(ptr, size) { \
3306 if (Mode == 1) memcpy(&psxR[base], ptr, size); \
3307 if (Mode == 0) memcpy(ptr, &psxR[base], size); \
3311 #define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
3312 #define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
3314 #define bfreezepsxMptr(ptr, type) { \
3316 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
3317 else psxRu32ref(base) = 0; \
3319 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
3320 else (ptr) = NULL; \
3322 base += sizeof(u32); \
3325 void psxBiosFreeze(int Mode) {
3328 bfreezepsxMptr(jmp_int, u32);
3329 bfreezepsxMptr(pad_buf, int);
3330 bfreezepsxMptr(pad_buf1, char);
3331 bfreezepsxMptr(pad_buf2, char);
3332 bfreezepsxMptr(heap_addr, u32);
3333 bfreezel(&pad_buf1len);
3334 bfreezel(&pad_buf2len);
3337 bfreezel(&CardState);
3339 bfreezel(&CurThread);
3341 bfreezel(&card_active_chan);
3342 bfreezel(&pad_stopped);
3343 bfreezel(&heap_size);