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.
38 #if (defined(__GNUC__) && __GNUC__ >= 5) || defined(__clang__)
39 #pragma GCC diagnostic ignored "-Wpointer-sign"
43 #define SysPrintf if (Config.PsxOut) printf
45 char *biosA0n[256] = {
47 "open", "lseek", "read", "write",
48 "close", "ioctl", "exit", "sys_a0_07",
49 "getc", "putc", "todigit", "atof",
50 "strtoul", "strtol", "abs", "labs",
52 "atoi", "atol", "atob", "setjmp",
53 "longjmp", "strcat", "strncat", "strcmp",
54 "strncmp", "strcpy", "strncpy", "strlen",
55 "index", "rindex", "strchr", "strrchr",
57 "strpbrk", "strspn", "strcspn", "strtok",
58 "strstr", "toupper", "tolower", "bcopy",
59 "bzero", "bcmp", "memcpy", "memset",
60 "memmove", "memcmp", "memchr", "rand",
62 "srand", "qsort", "strtod", "malloc",
63 "free", "lsearch", "bsearch", "calloc",
64 "realloc", "InitHeap", "_exit", "getchar",
65 "putchar", "gets", "puts", "printf",
67 "sys_a0_40", "LoadTest", "Load", "Exec",
68 "FlushCache", "InstallInterruptHandler", "GPU_dw", "mem2vram",
69 "SendGPUStatus", "GPU_cw", "GPU_cwb", "SendPackets",
70 "sys_a0_4c", "GetGPUStatus", "GPU_sync", "sys_a0_4f",
72 "sys_a0_50", "LoadExec", "GetSysSp", "sys_a0_53",
73 "_96_init()", "_bu_init()", "_96_remove()", "sys_a0_57",
74 "sys_a0_58", "sys_a0_59", "sys_a0_5a", "dev_tty_init",
75 "dev_tty_open", "sys_a0_5d", "dev_tty_ioctl","dev_cd_open",
77 "dev_cd_read", "dev_cd_close", "dev_cd_firstfile", "dev_cd_nextfile",
78 "dev_cd_chdir", "dev_card_open", "dev_card_read", "dev_card_write",
79 "dev_card_close", "dev_card_firstfile", "dev_card_nextfile","dev_card_erase",
80 "dev_card_undelete","dev_card_format", "dev_card_rename", "dev_card_6f",
82 "_bu_init", "_96_init", "_96_remove", "sys_a0_73",
83 "sys_a0_74", "sys_a0_75", "sys_a0_76", "sys_a0_77",
84 "_96_CdSeekL", "sys_a0_79", "sys_a0_7a", "sys_a0_7b",
85 "_96_CdGetStatus", "sys_a0_7d", "_96_CdRead", "sys_a0_7f",
87 "sys_a0_80", "sys_a0_81", "sys_a0_82", "sys_a0_83",
88 "sys_a0_84", "_96_CdStop", "sys_a0_86", "sys_a0_87",
89 "sys_a0_88", "sys_a0_89", "sys_a0_8a", "sys_a0_8b",
90 "sys_a0_8c", "sys_a0_8d", "sys_a0_8e", "sys_a0_8f",
92 "sys_a0_90", "sys_a0_91", "sys_a0_92", "sys_a0_93",
93 "sys_a0_94", "sys_a0_95", "AddCDROMDevice", "AddMemCardDevide",
94 "DisableKernelIORedirection", "EnableKernelIORedirection", "sys_a0_9a", "sys_a0_9b",
95 "SetConf", "GetConf", "sys_a0_9e", "SetMem",
97 "_boot", "SystemError", "EnqueueCdIntr", "DequeueCdIntr",
98 "sys_a0_a4", "ReadSector", "get_cd_status", "bufs_cb_0",
99 "bufs_cb_1", "bufs_cb_2", "bufs_cb_3", "_card_info",
100 "_card_load", "_card_auto", "bufs_cd_4", "sys_a0_af",
102 "sys_a0_b0", "sys_a0_b1", "do_a_long_jmp", "sys_a0_b3",
106 char *biosB0n[256] = {
108 "SysMalloc", "sys_b0_01", "sys_b0_02", "sys_b0_03",
109 "sys_b0_04", "sys_b0_05", "sys_b0_06", "DeliverEvent",
110 "OpenEvent", "CloseEvent", "WaitEvent", "TestEvent",
111 "EnableEvent", "DisableEvent", "OpenTh", "CloseTh",
113 "ChangeTh", "sys_b0_11", "InitPAD", "StartPAD",
114 "StopPAD", "PAD_init", "PAD_dr", "ReturnFromExecption",
115 "ResetEntryInt", "HookEntryInt", "sys_b0_1a", "sys_b0_1b",
116 "sys_b0_1c", "sys_b0_1d", "sys_b0_1e", "sys_b0_1f",
118 "UnDeliverEvent", "sys_b0_21", "sys_b0_22", "sys_b0_23",
119 "sys_b0_24", "sys_b0_25", "sys_b0_26", "sys_b0_27",
120 "sys_b0_28", "sys_b0_29", "sys_b0_2a", "sys_b0_2b",
121 "sys_b0_2c", "sys_b0_2d", "sys_b0_2e", "sys_b0_2f",
123 "sys_b0_30", "sys_b0_31", "open", "lseek",
124 "read", "write", "close", "ioctl",
125 "exit", "sys_b0_39", "getc", "putc",
126 "getchar", "putchar", "gets", "puts",
128 "cd", "format", "firstfile", "nextfile",
129 "rename", "delete", "undelete", "AddDevice",
130 "RemoteDevice", "PrintInstalledDevices", "InitCARD", "StartCARD",
131 "StopCARD", "sys_b0_4d", "_card_write", "_card_read",
133 "_new_card", "Krom2RawAdd", "sys_b0_52", "sys_b0_53",
134 "_get_errno", "_get_error", "GetC0Table", "GetB0Table",
135 "_card_chan", "sys_b0_59", "sys_b0_5a", "ChangeClearPAD",
136 "_card_status", "_card_wait",
139 char *biosC0n[256] = {
141 "InitRCnt", "InitException", "SysEnqIntRP", "SysDeqIntRP",
142 "get_free_EvCB_slot", "get_free_TCB_slot", "ExceptionHandler", "InstallExeptionHandler",
143 "SysInitMemory", "SysInitKMem", "ChangeClearRCnt", "SystemError",
144 "InitDefInt", "sys_c0_0d", "sys_c0_0e", "sys_c0_0f",
146 "sys_c0_10", "sys_c0_11", "InstallDevices", "FlushStfInOutPut",
147 "sys_c0_14", "_cdevinput", "_cdevscan", "_circgetc",
148 "_circputc", "ioabort", "sys_c0_1a", "KernelRedirect",
152 //#define r0 (psxRegs.GPR.n.r0)
153 #define at (psxRegs.GPR.n.at)
154 #define v0 (psxRegs.GPR.n.v0)
155 #define v1 (psxRegs.GPR.n.v1)
156 #define a0 (psxRegs.GPR.n.a0)
157 #define a1 (psxRegs.GPR.n.a1)
158 #define a2 (psxRegs.GPR.n.a2)
159 #define a3 (psxRegs.GPR.n.a3)
160 #define t0 (psxRegs.GPR.n.t0)
161 #define t1 (psxRegs.GPR.n.t1)
162 #define t2 (psxRegs.GPR.n.t2)
163 #define t3 (psxRegs.GPR.n.t3)
164 #define t4 (psxRegs.GPR.n.t4)
165 #define t5 (psxRegs.GPR.n.t5)
166 #define t6 (psxRegs.GPR.n.t6)
167 #define t7 (psxRegs.GPR.n.t7)
168 #define t8 (psxRegs.GPR.n.t8)
169 #define t9 (psxRegs.GPR.n.t9)
170 #define s0 (psxRegs.GPR.n.s0)
171 #define s1 (psxRegs.GPR.n.s1)
172 #define s2 (psxRegs.GPR.n.s2)
173 #define s3 (psxRegs.GPR.n.s3)
174 #define s4 (psxRegs.GPR.n.s4)
175 #define s5 (psxRegs.GPR.n.s5)
176 #define s6 (psxRegs.GPR.n.s6)
177 #define s7 (psxRegs.GPR.n.s7)
178 #define k0 (psxRegs.GPR.n.k0)
179 #define k1 (psxRegs.GPR.n.k1)
180 #define gp (psxRegs.GPR.n.gp)
181 #define sp (psxRegs.GPR.n.sp)
182 #define fp (psxRegs.GPR.n.s8)
183 #define ra (psxRegs.GPR.n.ra)
184 #define pc0 (psxRegs.pc)
186 #define Ra0 ((char *)PSXM(a0))
187 #define Ra1 ((char *)PSXM(a1))
188 #define Ra2 ((char *)PSXM(a2))
189 #define Ra3 ((char *)PSXM(a3))
190 #define Rv0 ((char *)PSXM(v0))
191 #define Rsp ((char *)PSXM(sp))
200 #define EvStUNUSED 0x0000
201 #define EvStWAIT 0x1000
202 #define EvStACTIVE 0x2000
203 #define EvStALREADY 0x4000
205 #define EvMdINTR 0x1000
206 #define EvMdNOINTR 0x2000
235 u32 _sp, _fp, _gp, ret, base;
255 static u32 *jmp_int = NULL;
256 static int *pad_buf = NULL;
257 static char *pad_buf1 = NULL, *pad_buf2 = NULL;
258 static int pad_buf1len, pad_buf2len;
259 static int pad_stopped = 0;
263 static EvCB *HwEV; // 0xf0
264 static EvCB *EvEV; // 0xf1
265 static EvCB *RcEV; // 0xf2
266 static EvCB *UeEV; // 0xf3
267 static EvCB *SwEV; // 0xf4
268 static EvCB *ThEV; // 0xff
269 static u32 heap_size = 0;
270 static u32 *heap_addr = NULL;
271 static u32 *heap_end = NULL;
272 static u32 SysIntRP[8];
273 static int CardState = -1;
274 static TCB Thread[8];
275 static int CurThread = 0;
276 static FileDesc FDesc[32];
277 static u32 card_active_chan;
279 boolean hleSoftCall = FALSE;
281 static inline void softCall(u32 pc) {
287 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
292 static inline void softCall2(u32 pc) {
299 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
305 static inline void DeliverEvent(u32 ev, u32 spec) {
306 if (Event[ev][spec].status != EvStACTIVE) return;
308 // Event[ev][spec].status = EvStALREADY;
309 if (Event[ev][spec].mode == EvMdINTR) {
310 softCall2(Event[ev][spec].fhandler);
311 } else Event[ev][spec].status = EvStALREADY;
314 static unsigned interrupt_r26=0x8004E8B0;
316 static inline void SaveRegs() {
317 memcpy(regs, psxRegs.GPR.r, 32*4);
318 regs[32] = psxRegs.GPR.n.lo;
319 regs[33] = psxRegs.GPR.n.hi;
320 regs[34] = psxRegs.pc;
323 static inline void LoadRegs() {
324 memcpy(psxRegs.GPR.r, regs, 32*4);
325 psxRegs.GPR.n.lo = regs[32];
326 psxRegs.GPR.n.hi = regs[33];
332 // System calls A0 */
335 #define buread(Ra1, mcd, length) { \
336 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); \
337 ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
338 memcpy(Ra1, ptr, length); \
339 if (FDesc[1 + mcd].mode & 0x8000) { \
340 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
341 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
344 FDesc[1 + mcd].offset += v0; \
347 #define buwrite(Ra1, mcd, length) { \
348 u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
349 SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \
350 ptr = Mcd##mcd##Data + offset; \
351 memcpy(ptr, Ra1, length); \
352 FDesc[1 + mcd].offset += length; \
353 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, offset, length); \
354 if (FDesc[1 + mcd].mode & 0x8000) { \
355 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
356 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
362 /* Internally redirects to "FileRead(fd,tempbuf,1)".*/
363 /* For some strange reason, the returned character is sign-expanded; */
364 /* So if a return value of FFFFFFFFh could mean either character FFh, or error. */
365 /* TODO FIX ME : Properly implement this behaviour */
366 void psxBios_getc(void) // 0x03, 0x35
371 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x03]);
377 case 2: buread(pa1, 1, 1); break;
378 case 3: buread(pa1, 2, 1); break;
385 /* Copy of psxBios_write, except size is 1. */
386 void psxBios_putc(void) // 0x09, 0x3B
391 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x09]);
399 if (a0 == 1) { // stdout
400 char *ptr = (char *)pa1;
404 printf("%c", *ptr++); a2--;
410 case 2: buwrite(pa1, 1, 1); break;
411 case 3: buwrite(pa1, 2, 1); break;
417 void psxBios_todigit(void) // 0x0a
421 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x0a]);
424 if (c >= 0x30 && c < 0x3A) {
427 else if (c > 0x60 && c < 0x7B) {
430 else if (c > 0x40 && c < 0x5B) {
433 else if (c >= 0x80) {
444 void psxBios_abs() { // 0x0e
445 if ((s32)a0 < 0) v0 = -(s32)a0;
450 void psxBios_labs() { // 0x0f
454 void psxBios_atoi() { // 0x10
456 char *p = (char *)Ra0;
460 case ' ': case '\t': continue;
467 while (*p >= '0' && *p <= '9') {
468 n = n * 10 + *p++ - '0';
475 void psxBios_atol() { // 0x11
479 void psxBios_setjmp() { // 0x13
480 u32 *jmp_buf = (u32 *)Ra0;
484 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]);
490 for (i = 0; i < 8; i++) // s0-s7
491 jmp_buf[3 + i] = psxRegs.GPR.r[16 + i];
497 void psxBios_longjmp() { // 0x14
498 u32 *jmp_buf = (u32 *)Ra0;
502 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]);
505 ra = jmp_buf[0]; /* ra */
506 sp = jmp_buf[1]; /* sp */
507 fp = jmp_buf[2]; /* fp */
508 for (i = 0; i < 8; i++) // s0-s7
509 psxRegs.GPR.r[16 + i] = jmp_buf[3 + i];
510 gp = jmp_buf[11]; /* gp */
515 void psxBios_strcat() { // 0x15
516 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
519 PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1);
521 if (a0 == 0 || a1 == 0)
529 while ((*p1++ = *p2++) != '\0');
534 void psxBios_strncat() { // 0x16
535 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
539 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2);
541 if (a0 == 0 || a1 == 0)
549 while ((*p1++ = *p2++) != '\0') {
559 void psxBios_strcmp() { // 0x17
560 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
562 if (a0 == 0 && a1 == 0)
568 else if (a0 == 0 && a1 != 0)
574 else if (a0 != 0 && a1 == 0)
581 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1);
584 while (*p1 == *p2++) {
603 void psxBios_strncmp() { // 0x18
604 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
606 if (a0 == 0 && a1 == 0)
612 else if (a0 == 0 && a1 != 0)
618 else if (a0 != 0 && a1 == 0)
625 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2);
628 while (--n >= 0 && *p1 == *p2++) {
632 v1 = a2 - ((a2-n) - 1);
640 v0 = (n < 0 ? 0 : *p1 - *--p2);
642 v1 = a2 - ((a2-n) - 1);
648 void psxBios_strcpy() { // 0x19
649 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
650 if (a0 == 0 || a1 == 0)
656 while ((*p1++ = *p2++) != '\0');
661 void psxBios_strncpy() { // 0x1a
662 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
664 if (a0 == 0 || a1 == 0)
670 for (i = 0; i < n; i++) {
671 if ((*p1++ = *p2++) == '\0') {
683 void psxBios_strlen() { // 0x1b
684 char *p = (char *)Ra0;
695 void psxBios_index() { // 0x1c
696 char *p = (char *)Ra0;
706 v0 = a0 + (p - (char *)Ra0);
710 } while (*p++ != '\0');
715 void psxBios_rindex() { // 0x1d
716 char *p = (char *)Ra0;
726 v0 = a0 + (p - (char *)Ra0);
727 } while (*p++ != '\0');
732 void psxBios_strchr() { // 0x1e
736 void psxBios_strrchr() { // 0x1f
740 void psxBios_strpbrk() { // 0x20
741 char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc;
743 while ((c = *p1++) != '\0') {
744 for (scanp = p2; (sc = *scanp++) != '\0';) {
746 v0 = a0 + (p1 - 1 - (char *)Ra0);
753 // BUG: return a0 instead of NULL if not found
757 void psxBios_strspn() { // 0x21
760 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
761 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
762 if (*p2 == '\0') break;
765 v0 = p1 - (char *)Ra0; pc0 = ra;
768 void psxBios_strcspn() { // 0x22
771 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
772 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
773 if (*p2 != '\0') break;
776 v0 = p1 - (char *)Ra0; pc0 = ra;
779 void psxBios_strtok() { // 0x23
780 char *pcA0 = (char *)Ra0;
781 char *pcRet = strtok(pcA0, (char *)Ra1);
783 v0 = a0 + pcRet - pcA0;
789 void psxBios_strstr() { // 0x24
790 char *p = (char *)Ra0, *p1, *p2;
796 while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) {
801 v0 = a0 + (p - (char *)Ra0);
812 void psxBios_toupper() { // 0x25
813 v0 = (s8)(a0 & 0xff);
814 if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A';
818 void psxBios_tolower() { // 0x26
819 v0 = (s8)(a0 & 0xff);
820 if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A';
824 void psxBios_bcopy() { // 0x27
825 char *p1 = (char *)Ra1, *p2 = (char *)Ra0;
827 if (a0 == 0 || a2 > 0x7FFFFFFF)
832 while ((s32)a2-- > 0) *p1++ = *p2++;
837 void psxBios_bzero() { // 0x28
838 char *p = (char *)Ra0;
840 /* Same as memset here (See memset below) */
841 if (a1 > 0x7FFFFFFF || a1 == 0)
852 while ((s32)a1-- > 0) *p++ = '\0';
857 void psxBios_bcmp() { // 0x29
858 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
860 if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; }
862 while ((s32)a2-- > 0) {
863 if (*p1++ != *p2++) {
864 v0 = *p1 - *p2; // BUG: compare the NEXT byte
873 void psxBios_memcpy() { // 0x2a
874 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
876 if (a0 == 0 || a2 > 0x7FFFFFFF)
881 while ((s32)a2-- > 0) {
888 void psxBios_memset() { // 0x2b
889 char *p = (char *)Ra0;
891 if (a2 > 0x7FFFFFFF || a2 == 0)
902 while ((s32)a2-- > 0) *p++ = (char)a1;
907 void psxBios_memmove() { // 0x2c
908 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
910 if (a0 == 0 || a2 > 0x7FFFFFFF)
915 if (p2 <= p1 && p2 + a2 > p1) {
916 a2++; // BUG: copy one more byte here
919 while ((s32)a2-- > 0) *--p1 = *--p2;
921 while ((s32)a2-- > 0) *p1++ = *p2++;
926 void psxBios_memcmp() { // 0x2d
930 void psxBios_memchr() { // 0x2e
931 char *p = (char *)Ra0;
933 if (a0 == 0 || a2 > 0x7FFFFFFF)
939 while ((s32)a2-- > 0) {
940 if (*p++ != (s8)a1) continue;
941 v0 = a0 + (p - (char *)Ra0 - 1);
949 void psxBios_rand() { // 0x2f
950 u32 s = psxMu32(0x9010) * 1103515245 + 12345;
951 v0 = (s >> 16) & 0x7fff;
952 psxMu32ref(0x9010) = SWAPu32(s);
956 void psxBios_srand() { // 0x30
957 psxMu32ref(0x9010) = SWAPu32(a0);
961 static u32 qscmpfunc, qswidth;
963 static inline int qscmp(char *a, char *b) {
966 a0 = sa0 + (a - (char *)PSXM(sa0));
967 a1 = sa0 + (b - (char *)PSXM(sa0));
969 softCall2(qscmpfunc);
975 static inline void qexchange(char *i, char *j) {
986 static inline void q3exchange(char *i, char *j, char *k) {
998 static void qsort_main(char *a, char *l) {
999 char *i, *j, *lp, *hp;
1004 if ((n = l - a) <= qswidth)
1006 n = qswidth * (n / (2 * qswidth));
1012 if ((c = qscmp(i, lp)) == 0) {
1013 qexchange(i, lp -= qswidth);
1024 if ((c = qscmp(hp, j)) == 0) {
1025 qexchange(hp += qswidth, j);
1030 q3exchange(i, hp += qswidth, j);
1044 if (lp - a >= l - hp) {
1045 qsort_main(hp + qswidth, l);
1054 q3exchange(j, lp -= qswidth, i);
1059 void psxBios_qsort() { // 0x31
1062 qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
1067 void psxBios_malloc() { // 0x33
1068 unsigned int *chunk, *newchunk = NULL;
1069 unsigned int dsize = 0, csize, cstat;
1072 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
1074 if (!a0 || (!heap_size || !heap_addr)) {
1080 // scan through heap and combine free chunks of space
1083 while(chunk < heap_end) {
1084 // get size and status of actual chunk
1085 csize = ((u32)*chunk) & 0xfffffffc;
1086 cstat = ((u32)*chunk) & 1;
1088 // most probably broken heap descriptor
1089 // this fixes Burning Road
1092 dsize = ((uptr)heap_end - (uptr)chunk) - 4;
1097 // it's a free chunk
1102 colflag = 1; // let's begin a new collection of free memory
1104 else dsize += (csize+4); // add the new size including header
1106 // not a free chunk: did we start a collection ?
1108 if(colflag == 1) { // collection is over
1110 *newchunk = SWAP32(dsize | 1);
1115 chunk = (u32*)((uptr)chunk + csize + 4);
1117 // if neccessary free memory on end of heap
1119 *newchunk = SWAP32(dsize | 1);
1122 csize = ((u32)*chunk) & 0xfffffffc;
1123 cstat = ((u32)*chunk) & 1;
1124 dsize = (a0 + 3) & 0xfffffffc;
1126 // exit on uninitialized heap
1127 if (chunk == NULL) {
1128 printf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
1134 // search an unused chunk that is big enough until the end of the heap
1135 while ((dsize > csize || cstat==0) && chunk < heap_end ) {
1136 chunk = (u32*)((uptr)chunk + csize + 4);
1138 // catch out of memory
1139 if(chunk >= heap_end) {
1140 printf("malloc %x,%x: Out of memory error!\n",
1146 csize = ((u32)*chunk) & 0xfffffffc;
1147 cstat = ((u32)*chunk) & 1;
1151 if(dsize == csize) {
1152 // chunk has same size
1153 *chunk &= 0xfffffffc;
1154 } else if (dsize > csize) {
1159 *chunk = SWAP32(dsize);
1160 newchunk = (u32*)((uptr)chunk + dsize + 4);
1161 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
1164 // return pointer to allocated memory
1165 v0 = ((uptr)chunk - (uptr)psxM) + 4;
1167 //printf ("malloc %x,%x\n", v0, a0);
1171 void psxBios_free() { // 0x34
1174 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
1177 SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
1180 *(u32*)(Ra0-4) |= 1; // set chunk to free
1184 void psxBios_calloc() { // 0x37
1187 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
1197 void psxBios_realloc() { // 0x38
1201 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
1205 /* If "old_buf" is zero, executes malloc(new_size), and returns r2=new_buf (or 0=failed). */
1210 /* Else, if "new_size" is zero, executes free(old_buf), and returns r2=garbage. */
1215 /* Else, executes malloc(new_size), bcopy(old_buf,new_buf,new_size), and free(old_buf), and returns r2=new_buf (or 0=failed). */
1216 /* Note that it is not quite implemented this way here. */
1226 /* InitHeap(void *block , int n) */
1227 void psxBios_InitHeap() { // 0x39
1231 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
1234 if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
1239 heap_addr = (u32 *)Ra0;
1241 heap_end = (u32 *)((u8 *)heap_addr + heap_size);
1242 /* HACKFIX: Commenting out this line fixes GTA2 crash */
1243 //*heap_addr = SWAP32(size | 1);
1245 SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
1250 void psxBios_getchar() { //0x3b
1251 v0 = getchar(); pc0 = ra;
1254 void psxBios_printf() { // 0x3f
1264 memcpy(save, psp, 4 * 4);
1265 psxMu32ref(sp) = SWAP32((u32)a0);
1266 psxMu32ref(sp + 4) = SWAP32((u32)a1);
1267 psxMu32ref(sp + 8) = SWAP32((u32)a2);
1268 psxMu32ref(sp + 12) = SWAP32((u32)a3);
1280 tmp2[j++] = Ra0[i]; goto _start;
1282 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
1293 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
1297 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
1303 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
1305 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
1307 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1309 *ptmp++ = Ra0[i]; break;
1320 memcpy(psp, save, 4 * 4);
1322 SysPrintf("%s", tmp);
1327 void psxBios_format() { // 0x41
1328 if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0')
1330 CreateMcd(Config.Mcd1);
1331 LoadMcd(1, Config.Mcd1);
1334 else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0')
1336 CreateMcd(Config.Mcd2);
1337 LoadMcd(2, Config.Mcd2);
1348 * long Load(char *name, struct EXEC *header);
1351 void psxBios_Load() { // 0x42
1356 PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1360 if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) {
1361 memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC));
1369 * int Exec(struct EXEC *header , int argc , char **argv);
1372 void psxBios_Exec() { // 43
1373 EXEC *header = (EXEC*)Ra0;
1377 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1387 if (header->S_addr != 0) {
1388 tmp = header->S_addr + header->s_size;
1404 void psxBios_FlushCache() { // 44
1406 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1412 void psxBios_GPU_dw() { // 0x46
1417 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1420 GPU_writeData(0xa0000000);
1421 GPU_writeData((a1<<16)|(a0&0xffff));
1422 GPU_writeData((a3<<16)|(a2&0xffff));
1424 ptr = (s32*)PSXM(Rsp[4]); //that is correct?
1426 GPU_writeData(SWAP32(*ptr));
1433 void psxBios_mem2vram() { // 0x47
1436 GPU_writeData(0xa0000000);
1437 GPU_writeData((a1<<16)|(a0&0xffff));
1438 GPU_writeData((a3<<16)|(a2&0xffff));
1440 GPU_writeStatus(0x04000002);
1441 psxHwWrite32(0x1f8010f4,0);
1442 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1443 psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1444 psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1445 psxHwWrite32(0x1f8010a8,0x01000201);
1450 void psxBios_SendGPU() { // 0x48
1451 GPU_writeStatus(a0);
1456 void psxBios_GPU_cw() { // 0x49
1461 void psxBios_GPU_cwb() { // 0x4a
1462 s32 *ptr = (s32*)Ra0;
1465 GPU_writeData(SWAP32(*ptr));
1472 void psxBios_GPU_SendPackets() { //4b:
1473 GPU_writeStatus(0x04000002);
1474 psxHwWrite32(0x1f8010f4,0);
1475 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1476 psxHwWrite32(0x1f8010a0,a0);
1477 psxHwWrite32(0x1f8010a4,0);
1478 psxHwWrite32(0x1f8010a8,0x010000401);
1482 void psxBios_sys_a0_4c() { // 0x4c GPU relate
1483 psxHwWrite32(0x1f8010a8,0x00000401);
1484 GPU_writeData(0x0400000);
1485 GPU_writeData(0x0200000);
1486 GPU_writeData(0x0100000);
1491 void psxBios_GPU_GetGPUStatus() { // 0x4d
1492 v0 = GPU_readStatus();
1498 void psxBios_LoadExec() { // 51
1499 EXEC *header = (EXEC*)PSXM(0xf000);
1503 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1505 s_addr = a1; s_size = a2;
1510 header->S_addr = s_addr;
1511 header->s_size = s_size;
1513 a0 = 0xf000; a1 = 0; a2 = 0;
1517 void psxBios__bu_init() { // 70
1519 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1522 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1523 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1528 void psxBios__96_init() { // 71
1530 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1536 void psxBios__96_remove() { // 72
1538 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1544 void psxBios_SetMem() { // 9f
1545 u32 new = psxHu32(0x1060);
1548 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1553 psxHu32ref(0x1060) = SWAP32(new);
1554 psxMu32ref(0x060) = a0;
1555 SysPrintf("Change effective memory : %d MBytes\n",a0);
1559 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1560 psxMu32ref(0x060) = a0;
1561 SysPrintf("Change effective memory : %d MBytes\n",a0);
1564 SysPrintf("Effective memory must be 2/8 MBytes\n");
1571 /* TODO FIXME : Not compliant. -1 indicates failure but using 1 for now. */
1572 void psxBios_get_cd_status(void) //a6
1578 void psxBios__card_info() { // ab
1580 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1583 card_active_chan = a0;
1585 switch (card_active_chan)
1587 case 0x00: case 0x01: case 0x02: case 0x03:
1588 ret = Config.Mcd1[0] ? 0x2 : 0x8;
1590 case 0x10: case 0x11: case 0x12: case 0x13:
1591 ret = Config.Mcd2[0] ? 0x2 : 0x8;
1595 PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan);
1601 DeliverEvent(0x11, 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
2100 PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
2106 if (!strncmp(pa0, "bu00", 4)) {
2107 buopen(1, Mcd1Data, Config.Mcd1);
2110 if (!strncmp(pa0, "bu10", 4)) {
2111 buopen(2, Mcd2Data, Config.Mcd2);
2119 * int lseek(int fd , int offset , int whence);
2122 void psxBios_lseek() { // 0x33
2124 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
2129 FDesc[a0].offset = a1;
2131 // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2132 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2136 FDesc[a0].offset+= a1;
2137 v0 = FDesc[a0].offset;
2146 * int read(int fd , void *buf , int nbytes);
2149 void psxBios_read() { // 0x34
2154 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
2161 case 2: buread(pa1, 1, a2); break;
2162 case 3: buread(pa1, 2, a2); break;
2170 * int write(int fd , void *buf , int nbytes);
2173 void psxBios_write() { // 0x35/0x03
2178 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
2187 if (a0 == 1) { // stdout
2192 SysPrintf("%c", *ptr++); a2--;
2198 case 2: buwrite(pa1, 1, a2); break;
2199 case 3: buwrite(pa1, 2, a2); break;
2206 * int close(int fd);
2209 void psxBios_close() { // 0x36
2211 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
2218 void psxBios_putchar() { // 3d
2219 SysPrintf("%c", (char)a0);
2223 void psxBios_puts() { // 3e/3f
2224 SysPrintf("%s", Ra0);
2229 /* To avoid any issues with different behaviour when using the libc's own strlen instead.
2230 * We want to mimic the PSX's behaviour in this case for bufile. */
2231 static size_t strlen_internal(char* p)
2233 size_t size_of_array = 0;
2234 while (*p++) size_of_array++;
2235 return size_of_array;
2238 #define bufile(mcd) { \
2239 size_t size_of_name = strlen_internal(dir->name); \
2240 while (nfile < 16) { \
2243 ptr = Mcd##mcd##Data + 128 * (nfile + 1); \
2245 if ((*ptr & 0xF0) != 0x50) continue; \
2246 /* Bug link files show up as free block. */ \
2247 if (!ptr[0xa]) continue; \
2249 if (pfile[0] == 0) { \
2250 strncpy(dir->name, ptr, sizeof(dir->name) - 1); \
2251 if (size_of_name < sizeof(dir->name)) dir->name[size_of_name] = '\0'; \
2252 } else for (i=0; i<20; i++) { \
2253 if (pfile[i] == ptr[i]) { \
2254 dir->name[i] = ptr[i]; continue; } \
2255 if (pfile[i] == '?') { \
2256 dir->name[i] = ptr[i]; continue; } \
2257 if (pfile[i] == '*') { \
2258 strcpy(dir->name+i, ptr+i); break; } \
2261 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
2262 if (match == 0) { continue; } \
2270 * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
2273 void psxBios_firstfile() { // 42
2274 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
2281 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
2290 if (!strncmp(pa0, "bu00", 4)) {
2291 // firstfile() calls _card_read() internally, so deliver it's event
2292 DeliverEvent(0x11, 0x2);
2294 } else if (!strncmp(pa0, "bu10", 4)) {
2295 // firstfile() calls _card_read() internally, so deliver it's event
2296 DeliverEvent(0x11, 0x2);
2305 * struct DIRENTRY* nextfile(struct DIRENTRY *dir);
2308 void psxBios_nextfile() { // 43
2309 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
2315 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
2320 if (!strncmp(ffile, "bu00", 4)) {
2324 if (!strncmp(ffile, "bu10", 4)) {
2331 #define burename(mcd) { \
2332 for (i=1; i<16; i++) { \
2333 int namelen, j, xor = 0; \
2334 ptr = Mcd##mcd##Data + 128 * i; \
2335 if ((*ptr & 0xF0) != 0x50) continue; \
2336 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2337 namelen = strlen(Ra1+5); \
2338 memcpy(ptr+0xa, Ra1+5, namelen); \
2339 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
2340 for (j=0; j<127; j++) xor^= ptr[j]; \
2342 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
2349 * int rename(char *old, char *new);
2352 void psxBios_rename() { // 44
2359 PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
2365 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
2369 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
2378 #define budelete(mcd) { \
2379 for (i=1; i<16; i++) { \
2380 ptr = Mcd##mcd##Data + 128 * i; \
2381 if ((*ptr & 0xF0) != 0x50) continue; \
2382 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2383 *ptr = (*ptr & 0xf) | 0xA0; \
2384 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
2385 SysPrintf("delete %s\n", ptr+0xa); \
2392 * int delete(char *name);
2395 void psxBios_delete() { // 45
2401 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2407 if (!strncmp(pa0, "bu00", 4)) {
2411 if (!strncmp(pa0, "bu10", 4)) {
2419 void psxBios_InitCARD() { // 4a
2421 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2429 void psxBios_StartCARD() { // 4b
2431 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2434 if (CardState == 0) CardState = 1;
2439 void psxBios_StopCARD() { // 4c
2441 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2444 if (CardState == 1) CardState = 0;
2449 void psxBios__card_write() { // 0x4e
2454 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2457 Function also accepts sector 400h (a bug).
2458 But notaz said we shouldn't allow sector 400h because it can corrupt the emulator.
2462 /* Invalid sectors */
2466 card_active_chan = a0;
2471 memcpy(Mcd1Data + a1 * 128, pa2, 128);
2472 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2474 memcpy(Mcd2Data + a1 * 128, pa2, 128);
2475 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2479 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2480 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2485 void psxBios__card_read() { // 0x4f
2490 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2493 Function also accepts sector 400h (a bug).
2494 But notaz said we shouldn't allow sector 400h because it can corrupt the emulator.
2498 /* Invalid sectors */
2502 card_active_chan = a0;
2507 memcpy(pa2, Mcd1Data + a1 * 128, 128);
2509 memcpy(pa2, Mcd2Data + a1 * 128, 128);
2513 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2514 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2519 void psxBios__new_card() { // 0x50
2521 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2527 /* According to a user, this allows Final Fantasy Tactics to save/load properly */
2528 void psxBios__get_error(void) // 55
2534 void psxBios_Krom2RawAdd() { // 0x51
2537 const u32 table_8140[][2] = {
2538 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2539 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2540 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2541 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2542 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2543 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2544 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2545 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2546 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2550 const u32 table_889f[][2] = {
2551 {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4},
2552 {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304},
2553 {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14},
2554 {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24},
2555 {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734},
2556 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2557 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2558 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2562 if (a0 >= 0x8140 && a0 <= 0x84be) {
2563 while (table_8140[i][0] <= a0) i++;
2564 a0 -= table_8140[i - 1][0];
2565 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2566 } else if (a0 >= 0x889f && a0 <= 0x9872) {
2567 while (table_889f[i][0] <= a0) i++;
2568 a0 -= table_889f[i - 1][0];
2569 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2577 void psxBios_GetC0Table() { // 56
2579 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2582 v0 = 0x674; pc0 = ra;
2585 void psxBios_GetB0Table() { // 57
2587 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2590 v0 = 0x874; pc0 = ra;
2593 void psxBios__card_chan() { // 0x58
2595 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2598 v0 = card_active_chan;
2602 void psxBios_ChangeClearPad() { // 5b
2604 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2610 void psxBios__card_status() { // 5c
2612 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5c], a0);
2615 v0 = card_active_chan;
2619 void psxBios__card_wait() { // 5d
2621 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5d], a0);
2628 /* System calls C0 */
2631 * int SysEnqIntRP(int index , long *queue);
2634 void psxBios_SysEnqIntRP() { // 02
2636 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2645 * int SysDeqIntRP(int index , long *queue);
2648 void psxBios_SysDeqIntRP() { // 03
2650 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2658 void psxBios_ChangeClearRCnt() { // 0a
2662 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2665 ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2669 // psxRegs.CP0.n.Status|= 0x404;
2673 void psxBios_dummy() {
2675 PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2680 void (*biosA0[256])();
2681 void (*biosB0[256])();
2682 void (*biosC0[256])();
2684 #include "sjisfont.h"
2686 void psxBiosInit() {
2692 for(i = 0; i < 256; i++) {
2697 biosA0[0x3e] = psxBios_puts;
2698 biosA0[0x3f] = psxBios_printf;
2700 biosB0[0x3d] = psxBios_putchar;
2701 biosB0[0x3f] = psxBios_puts;
2703 if (!Config.HLE) return;
2705 for(i = 0; i < 256; i++) {
2706 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2707 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2708 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2711 biosA0[0x00] = psxBios_open;
2712 biosA0[0x01] = psxBios_lseek;
2713 biosA0[0x02] = psxBios_read;
2714 biosA0[0x03] = psxBios_write;
2715 biosA0[0x04] = psxBios_close;
2716 //biosA0[0x05] = psxBios_ioctl;
2717 //biosA0[0x06] = psxBios_exit;
2718 //biosA0[0x07] = psxBios_sys_a0_07;
2719 biosA0[0x08] = psxBios_getc;
2720 biosA0[0x09] = psxBios_putc;
2721 biosA0[0x0a] = psxBios_todigit;
2722 //biosA0[0x0b] = psxBios_atof;
2723 //biosA0[0x0c] = psxBios_strtoul;
2724 //biosA0[0x0d] = psxBios_strtol;
2725 biosA0[0x0e] = psxBios_abs;
2726 biosA0[0x0f] = psxBios_labs;
2727 biosA0[0x10] = psxBios_atoi;
2728 biosA0[0x11] = psxBios_atol;
2729 //biosA0[0x12] = psxBios_atob;
2730 biosA0[0x13] = psxBios_setjmp;
2731 biosA0[0x14] = psxBios_longjmp;
2732 biosA0[0x15] = psxBios_strcat;
2733 biosA0[0x16] = psxBios_strncat;
2734 biosA0[0x17] = psxBios_strcmp;
2735 biosA0[0x18] = psxBios_strncmp;
2736 biosA0[0x19] = psxBios_strcpy;
2737 biosA0[0x1a] = psxBios_strncpy;
2738 biosA0[0x1b] = psxBios_strlen;
2739 biosA0[0x1c] = psxBios_index;
2740 biosA0[0x1d] = psxBios_rindex;
2741 biosA0[0x1e] = psxBios_strchr;
2742 biosA0[0x1f] = psxBios_strrchr;
2743 biosA0[0x20] = psxBios_strpbrk;
2744 biosA0[0x21] = psxBios_strspn;
2745 biosA0[0x22] = psxBios_strcspn;
2746 biosA0[0x23] = psxBios_strtok;
2747 biosA0[0x24] = psxBios_strstr;
2748 biosA0[0x25] = psxBios_toupper;
2749 biosA0[0x26] = psxBios_tolower;
2750 biosA0[0x27] = psxBios_bcopy;
2751 biosA0[0x28] = psxBios_bzero;
2752 biosA0[0x29] = psxBios_bcmp;
2753 biosA0[0x2a] = psxBios_memcpy;
2754 biosA0[0x2b] = psxBios_memset;
2755 biosA0[0x2c] = psxBios_memmove;
2756 biosA0[0x2d] = psxBios_memcmp;
2757 biosA0[0x2e] = psxBios_memchr;
2758 biosA0[0x2f] = psxBios_rand;
2759 biosA0[0x30] = psxBios_srand;
2760 biosA0[0x31] = psxBios_qsort;
2761 //biosA0[0x32] = psxBios_strtod;
2762 biosA0[0x33] = psxBios_malloc;
2763 biosA0[0x34] = psxBios_free;
2764 //biosA0[0x35] = psxBios_lsearch;
2765 //biosA0[0x36] = psxBios_bsearch;
2766 biosA0[0x37] = psxBios_calloc;
2767 biosA0[0x38] = psxBios_realloc;
2768 biosA0[0x39] = psxBios_InitHeap;
2769 //biosA0[0x3a] = psxBios__exit;
2770 biosA0[0x3b] = psxBios_getchar;
2771 biosA0[0x3c] = psxBios_putchar;
2772 //biosA0[0x3d] = psxBios_gets;
2773 //biosA0[0x40] = psxBios_sys_a0_40;
2774 //biosA0[0x41] = psxBios_LoadTest;
2775 biosA0[0x42] = psxBios_Load;
2776 biosA0[0x43] = psxBios_Exec;
2777 biosA0[0x44] = psxBios_FlushCache;
2778 //biosA0[0x45] = psxBios_InstallInterruptHandler;
2779 biosA0[0x46] = psxBios_GPU_dw;
2780 biosA0[0x47] = psxBios_mem2vram;
2781 biosA0[0x48] = psxBios_SendGPU;
2782 biosA0[0x49] = psxBios_GPU_cw;
2783 biosA0[0x4a] = psxBios_GPU_cwb;
2784 biosA0[0x4b] = psxBios_GPU_SendPackets;
2785 biosA0[0x4c] = psxBios_sys_a0_4c;
2786 biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2787 //biosA0[0x4e] = psxBios_GPU_sync;
2788 //biosA0[0x4f] = psxBios_sys_a0_4f;
2789 //biosA0[0x50] = psxBios_sys_a0_50;
2790 biosA0[0x51] = psxBios_LoadExec;
2791 //biosA0[0x52] = psxBios_GetSysSp;
2792 //biosA0[0x53] = psxBios_sys_a0_53;
2793 //biosA0[0x54] = psxBios__96_init_a54;
2794 //biosA0[0x55] = psxBios__bu_init_a55;
2795 //biosA0[0x56] = psxBios__96_remove_a56;
2796 //biosA0[0x57] = psxBios_sys_a0_57;
2797 //biosA0[0x58] = psxBios_sys_a0_58;
2798 //biosA0[0x59] = psxBios_sys_a0_59;
2799 //biosA0[0x5a] = psxBios_sys_a0_5a;
2800 //biosA0[0x5b] = psxBios_dev_tty_init;
2801 //biosA0[0x5c] = psxBios_dev_tty_open;
2802 //biosA0[0x5d] = psxBios_sys_a0_5d;
2803 //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2804 //biosA0[0x5f] = psxBios_dev_cd_open;
2805 //biosA0[0x60] = psxBios_dev_cd_read;
2806 //biosA0[0x61] = psxBios_dev_cd_close;
2807 //biosA0[0x62] = psxBios_dev_cd_firstfile;
2808 //biosA0[0x63] = psxBios_dev_cd_nextfile;
2809 //biosA0[0x64] = psxBios_dev_cd_chdir;
2810 //biosA0[0x65] = psxBios_dev_card_open;
2811 //biosA0[0x66] = psxBios_dev_card_read;
2812 //biosA0[0x67] = psxBios_dev_card_write;
2813 //biosA0[0x68] = psxBios_dev_card_close;
2814 //biosA0[0x69] = psxBios_dev_card_firstfile;
2815 //biosA0[0x6a] = psxBios_dev_card_nextfile;
2816 //biosA0[0x6b] = psxBios_dev_card_erase;
2817 //biosA0[0x6c] = psxBios_dev_card_undelete;
2818 //biosA0[0x6d] = psxBios_dev_card_format;
2819 //biosA0[0x6e] = psxBios_dev_card_rename;
2820 //biosA0[0x6f] = psxBios_dev_card_6f;
2821 biosA0[0x70] = psxBios__bu_init;
2822 biosA0[0x71] = psxBios__96_init;
2823 biosA0[0x72] = psxBios__96_remove;
2824 //biosA0[0x73] = psxBios_sys_a0_73;
2825 //biosA0[0x74] = psxBios_sys_a0_74;
2826 //biosA0[0x75] = psxBios_sys_a0_75;
2827 //biosA0[0x76] = psxBios_sys_a0_76;
2828 //biosA0[0x77] = psxBios_sys_a0_77;
2829 //biosA0[0x78] = psxBios__96_CdSeekL;
2830 //biosA0[0x79] = psxBios_sys_a0_79;
2831 //biosA0[0x7a] = psxBios_sys_a0_7a;
2832 //biosA0[0x7b] = psxBios_sys_a0_7b;
2833 //biosA0[0x7c] = psxBios__96_CdGetStatus;
2834 //biosA0[0x7d] = psxBios_sys_a0_7d;
2835 //biosA0[0x7e] = psxBios__96_CdRead;
2836 //biosA0[0x7f] = psxBios_sys_a0_7f;
2837 //biosA0[0x80] = psxBios_sys_a0_80;
2838 //biosA0[0x81] = psxBios_sys_a0_81;
2839 //biosA0[0x82] = psxBios_sys_a0_82;
2840 //biosA0[0x83] = psxBios_sys_a0_83;
2841 //biosA0[0x84] = psxBios_sys_a0_84;
2842 //biosA0[0x85] = psxBios__96_CdStop;
2843 //biosA0[0x86] = psxBios_sys_a0_86;
2844 //biosA0[0x87] = psxBios_sys_a0_87;
2845 //biosA0[0x88] = psxBios_sys_a0_88;
2846 //biosA0[0x89] = psxBios_sys_a0_89;
2847 //biosA0[0x8a] = psxBios_sys_a0_8a;
2848 //biosA0[0x8b] = psxBios_sys_a0_8b;
2849 //biosA0[0x8c] = psxBios_sys_a0_8c;
2850 //biosA0[0x8d] = psxBios_sys_a0_8d;
2851 //biosA0[0x8e] = psxBios_sys_a0_8e;
2852 //biosA0[0x8f] = psxBios_sys_a0_8f;
2853 //biosA0[0x90] = psxBios_sys_a0_90;
2854 //biosA0[0x91] = psxBios_sys_a0_91;
2855 //biosA0[0x92] = psxBios_sys_a0_92;
2856 //biosA0[0x93] = psxBios_sys_a0_93;
2857 //biosA0[0x94] = psxBios_sys_a0_94;
2858 //biosA0[0x95] = psxBios_sys_a0_95;
2859 //biosA0[0x96] = psxBios_AddCDROMDevice;
2860 //biosA0[0x97] = psxBios_AddMemCardDevide;
2861 //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2862 //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2863 //biosA0[0x9a] = psxBios_sys_a0_9a;
2864 //biosA0[0x9b] = psxBios_sys_a0_9b;
2865 //biosA0[0x9c] = psxBios_SetConf;
2866 //biosA0[0x9d] = psxBios_GetConf;
2867 //biosA0[0x9e] = psxBios_sys_a0_9e;
2868 biosA0[0x9f] = psxBios_SetMem;
2869 //biosA0[0xa0] = psxBios__boot;
2870 //biosA0[0xa1] = psxBios_SystemError;
2871 //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2872 //biosA0[0xa3] = psxBios_DequeueCdIntr;
2873 //biosA0[0xa4] = psxBios_sys_a0_a4;
2874 //biosA0[0xa5] = psxBios_ReadSector;
2875 biosA0[0xa6] = psxBios_get_cd_status;
2876 //biosA0[0xa7] = psxBios_bufs_cb_0;
2877 //biosA0[0xa8] = psxBios_bufs_cb_1;
2878 //biosA0[0xa9] = psxBios_bufs_cb_2;
2879 //biosA0[0xaa] = psxBios_bufs_cb_3;
2880 biosA0[0xab] = psxBios__card_info;
2881 biosA0[0xac] = psxBios__card_load;
2882 //biosA0[0axd] = psxBios__card_auto;
2883 //biosA0[0xae] = psxBios_bufs_cd_4;
2884 //biosA0[0xaf] = psxBios_sys_a0_af;
2885 //biosA0[0xb0] = psxBios_sys_a0_b0;
2886 //biosA0[0xb1] = psxBios_sys_a0_b1;
2887 //biosA0[0xb2] = psxBios_do_a_long_jmp
2888 //biosA0[0xb3] = psxBios_sys_a0_b3;
2889 //biosA0[0xb4] = psxBios_sub_function;
2890 //*******************B0 CALLS****************************
2891 //biosB0[0x00] = psxBios_SysMalloc;
2892 //biosB0[0x01] = psxBios_sys_b0_01;
2893 biosB0[0x02] = psxBios_SetRCnt;
2894 biosB0[0x03] = psxBios_GetRCnt;
2895 biosB0[0x04] = psxBios_StartRCnt;
2896 biosB0[0x05] = psxBios_StopRCnt;
2897 biosB0[0x06] = psxBios_ResetRCnt;
2898 biosB0[0x07] = psxBios_DeliverEvent;
2899 biosB0[0x08] = psxBios_OpenEvent;
2900 biosB0[0x09] = psxBios_CloseEvent;
2901 biosB0[0x0a] = psxBios_WaitEvent;
2902 biosB0[0x0b] = psxBios_TestEvent;
2903 biosB0[0x0c] = psxBios_EnableEvent;
2904 biosB0[0x0d] = psxBios_DisableEvent;
2905 biosB0[0x0e] = psxBios_OpenTh;
2906 biosB0[0x0f] = psxBios_CloseTh;
2907 biosB0[0x10] = psxBios_ChangeTh;
2908 //biosB0[0x11] = psxBios_psxBios_b0_11;
2909 biosB0[0x12] = psxBios_InitPAD;
2910 biosB0[0x13] = psxBios_StartPAD;
2911 biosB0[0x14] = psxBios_StopPAD;
2912 biosB0[0x15] = psxBios_PAD_init;
2913 biosB0[0x16] = psxBios_PAD_dr;
2914 biosB0[0x17] = psxBios_ReturnFromException;
2915 biosB0[0x18] = psxBios_ResetEntryInt;
2916 biosB0[0x19] = psxBios_HookEntryInt;
2917 //biosB0[0x1a] = psxBios_sys_b0_1a;
2918 //biosB0[0x1b] = psxBios_sys_b0_1b;
2919 //biosB0[0x1c] = psxBios_sys_b0_1c;
2920 //biosB0[0x1d] = psxBios_sys_b0_1d;
2921 //biosB0[0x1e] = psxBios_sys_b0_1e;
2922 //biosB0[0x1f] = psxBios_sys_b0_1f;
2923 biosB0[0x20] = psxBios_UnDeliverEvent;
2924 //biosB0[0x21] = psxBios_sys_b0_21;
2925 //biosB0[0x22] = psxBios_sys_b0_22;
2926 //biosB0[0x23] = psxBios_sys_b0_23;
2927 //biosB0[0x24] = psxBios_sys_b0_24;
2928 //biosB0[0x25] = psxBios_sys_b0_25;
2929 //biosB0[0x26] = psxBios_sys_b0_26;
2930 //biosB0[0x27] = psxBios_sys_b0_27;
2931 //biosB0[0x28] = psxBios_sys_b0_28;
2932 //biosB0[0x29] = psxBios_sys_b0_29;
2933 //biosB0[0x2a] = psxBios_sys_b0_2a;
2934 //biosB0[0x2b] = psxBios_sys_b0_2b;
2935 //biosB0[0x2c] = psxBios_sys_b0_2c;
2936 //biosB0[0x2d] = psxBios_sys_b0_2d;
2937 //biosB0[0x2e] = psxBios_sys_b0_2e;
2938 //biosB0[0x2f] = psxBios_sys_b0_2f;
2939 //biosB0[0x30] = psxBios_sys_b0_30;
2940 //biosB0[0x31] = psxBios_sys_b0_31;
2941 biosB0[0x32] = psxBios_open;
2942 biosB0[0x33] = psxBios_lseek;
2943 biosB0[0x34] = psxBios_read;
2944 biosB0[0x35] = psxBios_write;
2945 biosB0[0x36] = psxBios_close;
2946 //biosB0[0x37] = psxBios_ioctl;
2947 //biosB0[0x38] = psxBios_exit;
2948 //biosB0[0x39] = psxBios_sys_b0_39;
2949 //biosB0[0x3a] = psxBios_getc;
2950 //biosB0[0x3b] = psxBios_putc;
2951 biosB0[0x3c] = psxBios_getchar;
2952 //biosB0[0x3e] = psxBios_gets;
2953 //biosB0[0x40] = psxBios_cd;
2954 biosB0[0x41] = psxBios_format;
2955 biosB0[0x42] = psxBios_firstfile;
2956 biosB0[0x43] = psxBios_nextfile;
2957 biosB0[0x44] = psxBios_rename;
2958 biosB0[0x45] = psxBios_delete;
2959 //biosB0[0x46] = psxBios_undelete;
2960 //biosB0[0x47] = psxBios_AddDevice;
2961 //biosB0[0x48] = psxBios_RemoteDevice;
2962 //biosB0[0x49] = psxBios_PrintInstalledDevices;
2963 biosB0[0x4a] = psxBios_InitCARD;
2964 biosB0[0x4b] = psxBios_StartCARD;
2965 biosB0[0x4c] = psxBios_StopCARD;
2966 //biosB0[0x4d] = psxBios_sys_b0_4d;
2967 biosB0[0x4e] = psxBios__card_write;
2968 biosB0[0x4f] = psxBios__card_read;
2969 biosB0[0x50] = psxBios__new_card;
2970 biosB0[0x51] = psxBios_Krom2RawAdd;
2971 //biosB0[0x52] = psxBios_sys_b0_52;
2972 //biosB0[0x53] = psxBios_sys_b0_53;
2973 //biosB0[0x54] = psxBios__get_errno;
2974 biosB0[0x55] = psxBios__get_error;
2975 biosB0[0x56] = psxBios_GetC0Table;
2976 biosB0[0x57] = psxBios_GetB0Table;
2977 biosB0[0x58] = psxBios__card_chan;
2978 //biosB0[0x59] = psxBios_sys_b0_59;
2979 //biosB0[0x5a] = psxBios_sys_b0_5a;
2980 biosB0[0x5b] = psxBios_ChangeClearPad;
2981 biosB0[0x5c] = psxBios__card_status;
2982 biosB0[0x5d] = psxBios__card_wait;
2983 //*******************C0 CALLS****************************
2984 //biosC0[0x00] = psxBios_InitRCnt;
2985 //biosC0[0x01] = psxBios_InitException;
2986 biosC0[0x02] = psxBios_SysEnqIntRP;
2987 biosC0[0x03] = psxBios_SysDeqIntRP;
2988 //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2989 //biosC0[0x05] = psxBios_get_free_TCB_slot;
2990 //biosC0[0x06] = psxBios_ExceptionHandler;
2991 //biosC0[0x07] = psxBios_InstallExeptionHandler;
2992 //biosC0[0x08] = psxBios_SysInitMemory;
2993 //biosC0[0x09] = psxBios_SysInitKMem;
2994 biosC0[0x0a] = psxBios_ChangeClearRCnt;
2995 //biosC0[0x0b] = psxBios_SystemError;
2996 //biosC0[0x0c] = psxBios_InitDefInt;
2997 //biosC0[0x0d] = psxBios_sys_c0_0d;
2998 //biosC0[0x0e] = psxBios_sys_c0_0e;
2999 //biosC0[0x0f] = psxBios_sys_c0_0f;
3000 //biosC0[0x10] = psxBios_sys_c0_10;
3001 //biosC0[0x11] = psxBios_sys_c0_11;
3002 //biosC0[0x12] = psxBios_InstallDevices;
3003 //biosC0[0x13] = psxBios_FlushStfInOutPut;
3004 //biosC0[0x14] = psxBios_sys_c0_14;
3005 //biosC0[0x15] = psxBios__cdevinput;
3006 //biosC0[0x16] = psxBios__cdevscan;
3007 //biosC0[0x17] = psxBios__circgetc;
3008 //biosC0[0x18] = psxBios__circputc;
3009 //biosC0[0x19] = psxBios_ioabort;
3010 //biosC0[0x1a] = psxBios_sys_c0_1a
3011 //biosC0[0x1b] = psxBios_KernelRedirect;
3012 //biosC0[0x1c] = psxBios_PatchAOTable;
3013 //************** THE END ***************************************
3016 size = sizeof(EvCB) * 32;
3017 Event = (void *)&psxR[base]; base += size * 6;
3018 memset(Event, 0, size * 6);
3021 RcEV = Event + 32 * 2;
3022 UeEV = Event + 32 * 3;
3023 SwEV = Event + 32 * 4;
3024 ThEV = Event + 32 * 5;
3026 ptr = (u32 *)&psxM[0x0874]; // b0 table
3027 ptr[0] = SWAPu32(0x4c54 - 0x884);
3029 ptr = (u32 *)&psxM[0x0674]; // c0 table
3030 ptr[6] = SWAPu32(0xc80);
3032 memset(SysIntRP, 0, sizeof(SysIntRP));
3033 memset(Thread, 0, sizeof(Thread));
3034 Thread[0].status = 2; // main thread
3041 pad_buf1len = pad_buf2len = 0;
3047 memset(FDesc, 0, sizeof(FDesc));
3048 card_active_chan = 0;
3050 psxMu32ref(0x0150) = SWAPu32(0x160);
3051 psxMu32ref(0x0154) = SWAPu32(0x320);
3052 psxMu32ref(0x0160) = SWAPu32(0x248);
3053 strcpy((char *)&psxM[0x248], "bu");
3054 /* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
3055 psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
3056 psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
3057 psxMu32ref(0x09e0) = SWAPu32(0x43d0);
3058 psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
3061 psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
3062 /* Whatever this does, it actually breaks CTR, even without the uninitiliazed memory patch.
3063 Normally games shouldn't read from address 0 yet they do. See explanation below in details. */
3064 //psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
3065 psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
3066 psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
3067 psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
3068 psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
3069 psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
3070 psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
3071 psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
3072 psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
3074 // initial stack pointer for BIOS interrupt
3075 psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
3078 psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
3081 len = 0x80000 - 0x66000;
3082 uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
3083 len = 0x80000 - 0x69d68;
3084 uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
3087 psxHu32ref(0x1060) = SWAPu32(0x00000b88);
3089 hleSoftCall = FALSE;
3091 /* Some games like R-Types, CTR, Fade to Black read from adress 0x00000000 due to uninitialized pointers.
3092 See Garbage Area at Address 00000000h in Nocash PSX Specfications for more information.
3093 Here are some examples of games not working with this fix in place :
3094 R-type won't get past the Irem logo if not implemented.
3095 Crash Team Racing will softlock after the Sony logo.
3098 psxMu32ref(0x0000) = SWAPu32(0x00000003);
3100 But overwritten by 00000003h after soon.
3101 psxMu32ref(0x0000) = SWAPu32(0x00001A3C);
3103 psxMu32ref(0x0004) = SWAPu32(0x800C5A27);
3104 psxMu32ref(0x0008) = SWAPu32(0x08000403);
3105 psxMu32ref(0x000C) = SWAPu32(0x00000000);
3108 void psxBiosShutdown() {
3111 #define psxBios_PADpoll(pad) { \
3112 PAD##pad##_startPoll(pad); \
3113 pad_buf##pad[0] = 0; \
3114 pad_buf##pad[1] = PAD##pad##_poll(0x42); \
3115 if (!(pad_buf##pad[1] & 0x0f)) { \
3118 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
3120 PAD##pad##_poll(0); \
3122 while (bufcount--) { \
3123 pad_buf##pad[i++] = PAD##pad##_poll(0); \
3127 void biosInterrupt() {
3130 // if (psxHu32(0x1070) & 0x1) { // Vsync
3131 if (pad_buf != NULL) {
3132 u32 *buf = (u32*)pad_buf;
3134 if (!Config.UseNet) {
3136 if (PAD1_poll(0x42) == 0x23) {
3138 *buf = PAD1_poll(0) << 8;
3139 *buf |= PAD1_poll(0);
3141 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
3142 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
3145 *buf = PAD1_poll(0) << 8;
3146 *buf|= PAD1_poll(0);
3150 if (PAD2_poll(0x42) == 0x23) {
3152 *buf |= PAD2_poll(0) << 24;
3153 *buf |= PAD2_poll(0) << 16;
3155 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
3156 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
3159 *buf |= PAD2_poll(0) << 24;
3160 *buf |= PAD2_poll(0) << 16;
3168 data = PAD1_poll(0) << 8;
3169 data |= PAD1_poll(0);
3171 if (NET_sendPadData(&data, 2) == -1)
3174 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
3176 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
3180 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
3183 if (NET_sendPadData(pad_buf1, i) == -1)
3186 if (NET_recvPadData(pad_buf1, 1) == -1)
3188 if (NET_recvPadData(pad_buf2, 2) == -1)
3202 if (psxHu32(0x1070) & 0x1) { // Vsync
3203 if (RcEV[3][1].status == EvStACTIVE) {
3204 softCall(RcEV[3][1].fhandler);
3205 // hwWrite32(0x1f801070, ~(1));
3209 if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
3212 for (i = 0; i < 3; i++) {
3213 if (psxHu32(0x1070) & (1 << (i + 4))) {
3214 if (RcEV[i][1].status == EvStACTIVE) {
3215 softCall(RcEV[i][1].fhandler);
3217 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
3223 void psxBiosException() {
3226 switch (psxRegs.CP0.n.Cause & 0x3c) {
3227 case 0x00: // Interrupt
3228 interrupt_r26=psxRegs.CP0.n.EPC;
3230 // PSXCPU_LOG("interrupt\n");
3234 sp = psxMu32(0x6c80); // create new stack for interrupt handlers
3238 for (i = 0; i < 8; i++) {
3240 u32 *queue = (u32 *)PSXM(SysIntRP[i]);
3247 if (jmp_int != NULL) {
3250 psxHwWrite32(0x1f801070, 0xffffffff);
3255 for (i = 0; i < 8; i++) // s0-s7
3256 psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
3263 psxHwWrite16(0x1f801070, 0);
3266 case 0x20: // Syscall
3268 PSXCPU_LOG("syscall exp %x\n", a0);
3271 case 1: // EnterCritical - disable irq's
3272 /* Fixes Medievil 2 not loading up new game, Digimon World not booting up and possibly others */
3273 v0 = (psxRegs.CP0.n.Status & 0x404) == 0x404;
3274 psxRegs.CP0.n.Status &= ~0x404;
3277 case 2: // ExitCritical - enable irq's
3278 psxRegs.CP0.n.Status |= 0x404;
3280 /* Normally this should cover SYS(00h, SYS(04h but they don't do anything relevant so... */
3284 pc0 = psxRegs.CP0.n.EPC + 4;
3286 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3287 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3292 PSXCPU_LOG("unknown bios exception!\n");
3297 pc0 = psxRegs.CP0.n.EPC;
3298 if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
3300 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3301 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3304 #define bfreeze(ptr, size) { \
3305 if (Mode == 1) memcpy(&psxR[base], ptr, size); \
3306 if (Mode == 0) memcpy(ptr, &psxR[base], size); \
3310 #define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
3311 #define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
3313 #define bfreezepsxMptr(ptr, type) { \
3315 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
3316 else psxRu32ref(base) = 0; \
3318 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
3319 else (ptr) = NULL; \
3321 base += sizeof(u32); \
3324 void psxBiosFreeze(int Mode) {
3327 bfreezepsxMptr(jmp_int, u32);
3328 bfreezepsxMptr(pad_buf, int);
3329 bfreezepsxMptr(pad_buf1, char);
3330 bfreezepsxMptr(pad_buf2, char);
3331 bfreezepsxMptr(heap_addr, u32);
3332 bfreezel(&pad_buf1len);
3333 bfreezel(&pad_buf2len);
3336 bfreezel(&CardState);
3338 bfreezel(&CurThread);
3340 bfreezel(&card_active_chan);
3341 bfreezel(&pad_stopped);
3342 bfreezel(&heap_size);