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]);
1408 psxCpu->Notify(R3000ACPU_NOTIFY_CACHE_ISOLATED, NULL);
1409 psxCpu->Notify(R3000ACPU_NOTIFY_CACHE_UNISOLATED, NULL);
1413 void psxBios_GPU_dw() { // 0x46
1418 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1421 GPU_writeData(0xa0000000);
1422 GPU_writeData((a1<<0x10)|(a0&0xffff));
1423 GPU_writeData((a3<<0x10)|(a2&0xffff));
1425 ptr = (u32*)PSXM(Rsp[4]); //that is correct?
1428 GPU_writeData(SWAPu32(*ptr++));
1434 void psxBios_mem2vram() { // 0x47
1437 GPU_writeData(0xa0000000);
1438 GPU_writeData((a1<<0x10)|(a0&0xffff));
1439 GPU_writeData((a3<<0x10)|(a2&0xffff));
1440 size = ((((a2 * a3) / 2) >> 4) << 16);
1441 GPU_writeStatus(0x04000002);
1442 psxHwWrite32(0x1f8010f4,0);
1443 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1444 psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1445 psxHwWrite32(0x1f8010a4, size | 0x10);
1446 psxHwWrite32(0x1f8010a8,0x01000201);
1451 void psxBios_SendGPU() { // 0x48
1452 GPU_writeStatus(a0);
1457 void psxBios_GPU_cw() { // 0x49
1464 void psxBios_GPU_cwb() { // 0x4a
1465 u32 *ptr = (u32*)Ra0;
1470 GPU_writeData(SWAPu32(*ptr++));
1476 void psxBios_GPU_SendPackets() { //4b:
1478 GPU_writeStatus(0x04000002);
1479 psxHwWrite32(0x1f8010f4,0);
1480 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1481 psxHwWrite32(0x1f8010a0,a0);
1482 psxHwWrite32(0x1f8010a4,0);
1483 psxHwWrite32(0x1f8010a8,0x010000401);
1487 void psxBios_sys_a0_4c() { // 0x4c GPU relate
1488 psxHwWrite32(0x1f8010a8,0x00000401);
1489 GPU_writeData(0x0400000);
1490 GPU_writeData(0x0200000);
1491 GPU_writeData(0x0100000);
1496 void psxBios_GPU_GetGPUStatus() { // 0x4d
1497 v0 = GPU_readStatus();
1503 void psxBios_LoadExec() { // 51
1504 EXEC *header = (EXEC*)PSXM(0xf000);
1508 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1510 s_addr = a1; s_size = a2;
1515 header->S_addr = s_addr;
1516 header->s_size = s_size;
1518 a0 = 0xf000; a1 = 0; a2 = 0;
1522 void psxBios__bu_init() { // 70
1524 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1527 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1528 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1533 void psxBios__96_init() { // 71
1535 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1541 void psxBios__96_remove() { // 72
1543 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1549 void psxBios_SetMem() { // 9f
1550 u32 new = psxHu32(0x1060);
1553 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1558 psxHu32ref(0x1060) = SWAP32(new);
1559 psxMu32ref(0x060) = a0;
1560 SysPrintf("Change effective memory : %d MBytes\n",a0);
1564 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1565 psxMu32ref(0x060) = a0;
1566 SysPrintf("Change effective memory : %d MBytes\n",a0);
1569 SysPrintf("Effective memory must be 2/8 MBytes\n");
1576 /* TODO FIXME : Not compliant. -1 indicates failure but using 1 for now. */
1577 void psxBios_get_cd_status(void) //a6
1583 void psxBios__card_info() { // ab
1585 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1588 card_active_chan = a0;
1590 switch (card_active_chan)
1592 case 0x00: case 0x01: case 0x02: case 0x03:
1593 ret = Config.Mcd1[0] ? 0x2 : 0x8;
1595 case 0x10: case 0x11: case 0x12: case 0x13:
1596 ret = Config.Mcd2[0] ? 0x2 : 0x8;
1600 PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan);
1606 DeliverEvent(0x11, 0x2); // 0xf4000001, 0x0004
1607 DeliverEvent(0x81, ret); // 0xf4000001, 0x0004
1611 void psxBios__card_load() { // ac
1613 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1616 card_active_chan = a0;
1618 // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1619 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1624 /* System calls B0 */
1626 void psxBios_SetRCnt() { // 02
1628 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1635 psxRcntWtarget(a0, a1);
1636 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1637 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1638 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1639 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1640 else { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1642 psxRcntWmode(a0, mode);
1647 void psxBios_GetRCnt() { // 03
1649 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1653 if (a0 != 3) v0 = psxRcntRcount(a0);
1658 void psxBios_StartRCnt() { // 04
1660 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1664 if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1665 else psxHu32ref(0x1074)|= SWAPu32(0x1);
1669 void psxBios_StopRCnt() { // 05
1671 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1675 if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1676 else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1680 void psxBios_ResetRCnt() { // 06
1682 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1687 psxRcntWmode(a0, 0);
1688 psxRcntWtarget(a0, 0);
1689 psxRcntWcount(a0, 0);
1695 /* gets ev for use with Event */
1697 ev = (a0 >> 24) & 0xf; \
1698 if (ev == 0xf) ev = 0x5; \
1702 /* gets spec for use with Event */
1706 case 0x0301: spec = 16; break; \
1707 case 0x0302: spec = 17; break; \
1709 for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1713 void psxBios_DeliverEvent() { // 07
1721 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1724 DeliverEvent(ev, spec);
1729 void psxBios_OpenEvent() { // 08
1737 PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1740 Event[ev][spec].status = EvStWAIT;
1741 Event[ev][spec].mode = a2;
1742 Event[ev][spec].fhandler = a3;
1744 v0 = ev | (spec << 8);
1748 void psxBios_CloseEvent() { // 09
1752 spec = (a0 >> 8) & 0xff;
1755 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1758 Event[ev][spec].status = EvStUNUSED;
1763 void psxBios_WaitEvent() { // 0a
1767 spec = (a0 >> 8) & 0xff;
1769 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1771 if (Event[ev][spec].status == EvStUNUSED)
1778 if (Event[ev][spec].status == EvStALREADY)
1780 /* Callback events (mode=EvMdINTR) do never set the ready flag (and thus WaitEvent would hang forever). */
1781 if (!(Event[ev][spec].mode == EvMdINTR)) Event[ev][spec].status = EvStACTIVE;
1791 void psxBios_TestEvent() { // 0b
1795 spec = (a0 >> 8) & 0xff;
1797 if (Event[ev][spec].status == EvStALREADY)
1799 if (!(Event[ev][spec].mode == EvMdINTR)) Event[ev][spec].status = EvStACTIVE;
1808 PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1814 void psxBios_EnableEvent() { // 0c
1818 spec = (a0 >> 8) & 0xff;
1821 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1824 Event[ev][spec].status = EvStACTIVE;
1829 void psxBios_DisableEvent() { // 0d
1833 spec = (a0 >> 8) & 0xff;
1836 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1839 Event[ev][spec].status = EvStWAIT;
1845 * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1848 void psxBios_OpenTh() { // 0e
1851 for (th=1; th<8; th++)
1853 if (Thread[th].status == 0) break;
1857 // Feb 2019 - Added out-of-bounds fix caught by cppcheck:
1858 // When no free TCB is found, return 0xffffffff according to Nocash doc.
1860 PSXBIOS_LOG("\t%s() WARNING! No Free TCBs found!\n", __func__);
1867 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1870 Thread[th].status = 1;
1871 Thread[th].func = a0;
1872 Thread[th].reg[29] = a1;
1873 Thread[th].reg[28] = a2;
1879 * int CloseTh(long thread);
1882 void psxBios_CloseTh() { // 0f
1886 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1888 /* The return value is always 1 (even if the handle was already closed). */
1890 if (Thread[th].status != 0) {
1891 Thread[th].status = 0;
1898 * int ChangeTh(long thread);
1901 void psxBios_ChangeTh() { // 10
1905 // PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1907 /* The return value is always 1. */
1909 if (Thread[th].status == 0 || CurThread == th) {
1912 if (Thread[CurThread].status == 2) {
1913 Thread[CurThread].status = 1;
1914 Thread[CurThread].func = ra;
1915 memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1918 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1919 pc0 = Thread[th].func;
1920 Thread[th].status = 2;
1925 void psxBios_InitPAD() { // 0x12
1927 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1930 pad_buf1 = (char*)Ra0;
1932 pad_buf2 = (char*)Ra2;
1938 void psxBios_StartPAD() { // 13
1940 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1943 psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1944 psxRegs.CP0.n.Status |= 0x401;
1948 void psxBios_StopPAD() { // 14
1950 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1958 void psxBios_PAD_init() { // 15
1960 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1962 if (!(a0 == 0x20000000 || a0 == 0x20000001))
1968 psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1969 pad_buf = (int *)Ra1;
1971 psxRegs.CP0.n.Status |= 0x401;
1976 void psxBios_PAD_dr() { // 16
1978 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1984 void psxBios_ReturnFromException() { // 17
1987 pc0 = psxRegs.CP0.n.EPC;
1989 if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1991 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1992 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1995 void psxBios_ResetEntryInt() { // 18
1997 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
2004 void psxBios_HookEntryInt() { // 19
2006 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
2009 jmp_int = (u32*)Ra0;
2013 void psxBios_UnDeliverEvent() { // 0x20
2021 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
2024 if (Event[ev][spec].status == EvStALREADY &&
2025 Event[ev][spec].mode == EvMdNOINTR)
2026 Event[ev][spec].status = EvStACTIVE;
2031 char ffile[64], *pfile;
2033 static void buopen(int mcd, char *ptr, char *cfg)
2038 strcpy(FDesc[1 + mcd].name, Ra0+5);
2039 FDesc[1 + mcd].offset = 0;
2040 FDesc[1 + mcd].mode = a1;
2042 for (i=1; i<16; i++) {
2044 if ((*fptr & 0xF0) != 0x50) continue;
2045 if (strcmp(FDesc[1 + mcd].name, fptr+0xa)) continue;
2046 FDesc[1 + mcd].mcfile = i;
2047 SysPrintf("open %s\n", fptr+0xa);
2051 if (a1 & 0x200 && v0 == -1) { /* FCREAT */
2053 for (i=1; i<16; i++) {
2054 int j, xor, nblk = a1 >> 16;
2058 if ((*fptr & 0xF0) != 0xa0) continue;
2060 FDesc[1 + mcd].mcfile = i;
2063 fptr[5] = 0x20 * nblk;
2066 strcpy(fptr+0xa, FDesc[1 + mcd].name);
2067 pptr = fptr2 = (u8 *)fptr;
2068 for(j=2; j<=nblk; j++) {
2070 for(i++; i<16; i++) {
2073 memset(fptr2, 0, 128);
2074 fptr2[0] = j < nblk ? 0x52 : 0x53;
2077 for (k=0, xor=0; k<127; k++) xor^= pptr[k];
2082 /* shouldn't this return ENOSPC if i == 16? */
2084 pptr[8] = pptr[9] = 0xff;
2085 for (j=0, xor=0; j<127; j++) xor^= pptr[j];
2087 SysPrintf("openC %s %d\n", ptr, nblk);
2089 /* just go ahead and resave them all */
2090 SaveMcd(cfg, ptr, 128, 128 * 15);
2093 /* shouldn't this return ENOSPC if i == 16? */
2098 * int open(char *name , int mode);
2101 void psxBios_open() { // 0x32
2105 PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
2111 if (!strncmp(pa0, "bu00", 4)) {
2112 buopen(1, Mcd1Data, Config.Mcd1);
2115 if (!strncmp(pa0, "bu10", 4)) {
2116 buopen(2, Mcd2Data, Config.Mcd2);
2124 * int lseek(int fd , int offset , int whence);
2127 void psxBios_lseek() { // 0x33
2129 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
2134 FDesc[a0].offset = a1;
2136 // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2137 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2141 FDesc[a0].offset+= a1;
2142 v0 = FDesc[a0].offset;
2151 * int read(int fd , void *buf , int nbytes);
2154 void psxBios_read() { // 0x34
2159 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
2166 case 2: buread(pa1, 1, a2); break;
2167 case 3: buread(pa1, 2, a2); break;
2175 * int write(int fd , void *buf , int nbytes);
2178 void psxBios_write() { // 0x35/0x03
2183 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
2192 if (a0 == 1) { // stdout
2197 SysPrintf("%c", *ptr++); a2--;
2203 case 2: buwrite(pa1, 1, a2); break;
2204 case 3: buwrite(pa1, 2, a2); break;
2211 * int close(int fd);
2214 void psxBios_close() { // 0x36
2216 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
2223 void psxBios_putchar() { // 3d
2224 SysPrintf("%c", (char)a0);
2228 void psxBios_puts() { // 3e/3f
2229 SysPrintf("%s", Ra0);
2234 /* To avoid any issues with different behaviour when using the libc's own strlen instead.
2235 * We want to mimic the PSX's behaviour in this case for bufile. */
2236 static size_t strlen_internal(char* p)
2238 size_t size_of_array = 0;
2239 while (*p++) size_of_array++;
2240 return size_of_array;
2243 #define bufile(mcd) { \
2244 size_t size_of_name = strlen_internal(dir->name); \
2245 while (nfile < 16) { \
2248 ptr = Mcd##mcd##Data + 128 * (nfile + 1); \
2250 if ((*ptr & 0xF0) != 0x50) continue; \
2251 /* Bug link files show up as free block. */ \
2252 if (!ptr[0xa]) continue; \
2254 if (pfile[0] == 0) { \
2255 strncpy(dir->name, ptr, sizeof(dir->name) - 1); \
2256 if (size_of_name < sizeof(dir->name)) dir->name[size_of_name] = '\0'; \
2257 } else for (i=0; i<20; i++) { \
2258 if (pfile[i] == ptr[i]) { \
2259 dir->name[i] = ptr[i]; continue; } \
2260 if (pfile[i] == '?') { \
2261 dir->name[i] = ptr[i]; continue; } \
2262 if (pfile[i] == '*') { \
2263 strcpy(dir->name+i, ptr+i); break; } \
2266 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
2267 if (match == 0) { continue; } \
2275 * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
2278 void psxBios_firstfile() { // 42
2279 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
2286 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
2295 if (!strncmp(pa0, "bu00", 4)) {
2296 // firstfile() calls _card_read() internally, so deliver it's event
2297 DeliverEvent(0x11, 0x2);
2299 } else if (!strncmp(pa0, "bu10", 4)) {
2300 // firstfile() calls _card_read() internally, so deliver it's event
2301 DeliverEvent(0x11, 0x2);
2310 * struct DIRENTRY* nextfile(struct DIRENTRY *dir);
2313 void psxBios_nextfile() { // 43
2314 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
2320 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
2325 if (!strncmp(ffile, "bu00", 4)) {
2329 if (!strncmp(ffile, "bu10", 4)) {
2336 #define burename(mcd) { \
2337 for (i=1; i<16; i++) { \
2338 int namelen, j, xor = 0; \
2339 ptr = Mcd##mcd##Data + 128 * i; \
2340 if ((*ptr & 0xF0) != 0x50) continue; \
2341 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2342 namelen = strlen(Ra1+5); \
2343 memcpy(ptr+0xa, Ra1+5, namelen); \
2344 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
2345 for (j=0; j<127; j++) xor^= ptr[j]; \
2347 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
2354 * int rename(char *old, char *new);
2357 void psxBios_rename() { // 44
2364 PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
2370 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
2374 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
2383 #define budelete(mcd) { \
2384 for (i=1; i<16; i++) { \
2385 ptr = Mcd##mcd##Data + 128 * i; \
2386 if ((*ptr & 0xF0) != 0x50) continue; \
2387 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2388 *ptr = (*ptr & 0xf) | 0xA0; \
2389 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
2390 SysPrintf("delete %s\n", ptr+0xa); \
2397 * int delete(char *name);
2400 void psxBios_delete() { // 45
2406 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2412 if (!strncmp(pa0, "bu00", 4)) {
2416 if (!strncmp(pa0, "bu10", 4)) {
2424 void psxBios_InitCARD() { // 4a
2426 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2434 void psxBios_StartCARD() { // 4b
2436 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2439 if (CardState == 0) CardState = 1;
2444 void psxBios_StopCARD() { // 4c
2446 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2449 if (CardState == 1) CardState = 0;
2454 void psxBios__card_write() { // 0x4e
2459 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2462 Function also accepts sector 400h (a bug).
2463 But notaz said we shouldn't allow sector 400h because it can corrupt the emulator.
2467 /* Invalid sectors */
2471 card_active_chan = a0;
2476 memcpy(Mcd1Data + a1 * 128, pa2, 128);
2477 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2479 memcpy(Mcd2Data + a1 * 128, pa2, 128);
2480 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2484 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2485 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2490 void psxBios__card_read() { // 0x4f
2495 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2498 Function also accepts sector 400h (a bug).
2499 But notaz said we shouldn't allow sector 400h because it can corrupt the emulator.
2503 /* Invalid sectors */
2507 card_active_chan = a0;
2512 memcpy(pa2, Mcd1Data + a1 * 128, 128);
2514 memcpy(pa2, Mcd2Data + a1 * 128, 128);
2518 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2519 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2524 void psxBios__new_card() { // 0x50
2526 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2532 /* According to a user, this allows Final Fantasy Tactics to save/load properly */
2533 void psxBios__get_error(void) // 55
2539 void psxBios_Krom2RawAdd() { // 0x51
2542 const u32 table_8140[][2] = {
2543 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2544 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2545 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2546 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2547 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2548 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2549 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2550 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2551 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2555 const u32 table_889f[][2] = {
2556 {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4},
2557 {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304},
2558 {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14},
2559 {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24},
2560 {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734},
2561 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2562 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2563 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2567 if (a0 >= 0x8140 && a0 <= 0x84be) {
2568 while (table_8140[i][0] <= a0) i++;
2569 a0 -= table_8140[i - 1][0];
2570 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2571 } else if (a0 >= 0x889f && a0 <= 0x9872) {
2572 while (table_889f[i][0] <= a0) i++;
2573 a0 -= table_889f[i - 1][0];
2574 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2582 void psxBios_GetC0Table() { // 56
2584 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2587 v0 = 0x674; pc0 = ra;
2590 void psxBios_GetB0Table() { // 57
2592 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2595 v0 = 0x874; pc0 = ra;
2598 void psxBios__card_chan() { // 0x58
2600 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2603 v0 = card_active_chan;
2607 void psxBios_ChangeClearPad() { // 5b
2609 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2615 void psxBios__card_status() { // 5c
2617 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5c], a0);
2620 v0 = card_active_chan;
2624 void psxBios__card_wait() { // 5d
2626 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5d], a0);
2633 /* System calls C0 */
2636 * int SysEnqIntRP(int index , long *queue);
2639 void psxBios_SysEnqIntRP() { // 02
2641 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2650 * int SysDeqIntRP(int index , long *queue);
2653 void psxBios_SysDeqIntRP() { // 03
2655 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2663 void psxBios_ChangeClearRCnt() { // 0a
2667 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2670 ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2674 // psxRegs.CP0.n.Status|= 0x404;
2678 void psxBios_dummy() {
2680 PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2685 void (*biosA0[256])();
2686 void (*biosB0[256])();
2687 void (*biosC0[256])();
2689 #include "sjisfont.h"
2691 void psxBiosInit() {
2697 for(i = 0; i < 256; i++) {
2702 biosA0[0x3e] = psxBios_puts;
2703 biosA0[0x3f] = psxBios_printf;
2705 biosB0[0x3d] = psxBios_putchar;
2706 biosB0[0x3f] = psxBios_puts;
2708 if (!Config.HLE) return;
2710 for(i = 0; i < 256; i++) {
2711 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2712 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2713 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2716 biosA0[0x00] = psxBios_open;
2717 biosA0[0x01] = psxBios_lseek;
2718 biosA0[0x02] = psxBios_read;
2719 biosA0[0x03] = psxBios_write;
2720 biosA0[0x04] = psxBios_close;
2721 //biosA0[0x05] = psxBios_ioctl;
2722 //biosA0[0x06] = psxBios_exit;
2723 //biosA0[0x07] = psxBios_sys_a0_07;
2724 biosA0[0x08] = psxBios_getc;
2725 biosA0[0x09] = psxBios_putc;
2726 biosA0[0x0a] = psxBios_todigit;
2727 //biosA0[0x0b] = psxBios_atof;
2728 //biosA0[0x0c] = psxBios_strtoul;
2729 //biosA0[0x0d] = psxBios_strtol;
2730 biosA0[0x0e] = psxBios_abs;
2731 biosA0[0x0f] = psxBios_labs;
2732 biosA0[0x10] = psxBios_atoi;
2733 biosA0[0x11] = psxBios_atol;
2734 //biosA0[0x12] = psxBios_atob;
2735 biosA0[0x13] = psxBios_setjmp;
2736 biosA0[0x14] = psxBios_longjmp;
2737 biosA0[0x15] = psxBios_strcat;
2738 biosA0[0x16] = psxBios_strncat;
2739 biosA0[0x17] = psxBios_strcmp;
2740 biosA0[0x18] = psxBios_strncmp;
2741 biosA0[0x19] = psxBios_strcpy;
2742 biosA0[0x1a] = psxBios_strncpy;
2743 biosA0[0x1b] = psxBios_strlen;
2744 biosA0[0x1c] = psxBios_index;
2745 biosA0[0x1d] = psxBios_rindex;
2746 biosA0[0x1e] = psxBios_strchr;
2747 biosA0[0x1f] = psxBios_strrchr;
2748 biosA0[0x20] = psxBios_strpbrk;
2749 biosA0[0x21] = psxBios_strspn;
2750 biosA0[0x22] = psxBios_strcspn;
2751 biosA0[0x23] = psxBios_strtok;
2752 biosA0[0x24] = psxBios_strstr;
2753 biosA0[0x25] = psxBios_toupper;
2754 biosA0[0x26] = psxBios_tolower;
2755 biosA0[0x27] = psxBios_bcopy;
2756 biosA0[0x28] = psxBios_bzero;
2757 biosA0[0x29] = psxBios_bcmp;
2758 biosA0[0x2a] = psxBios_memcpy;
2759 biosA0[0x2b] = psxBios_memset;
2760 biosA0[0x2c] = psxBios_memmove;
2761 biosA0[0x2d] = psxBios_memcmp;
2762 biosA0[0x2e] = psxBios_memchr;
2763 biosA0[0x2f] = psxBios_rand;
2764 biosA0[0x30] = psxBios_srand;
2765 biosA0[0x31] = psxBios_qsort;
2766 //biosA0[0x32] = psxBios_strtod;
2767 biosA0[0x33] = psxBios_malloc;
2768 biosA0[0x34] = psxBios_free;
2769 //biosA0[0x35] = psxBios_lsearch;
2770 //biosA0[0x36] = psxBios_bsearch;
2771 biosA0[0x37] = psxBios_calloc;
2772 biosA0[0x38] = psxBios_realloc;
2773 biosA0[0x39] = psxBios_InitHeap;
2774 //biosA0[0x3a] = psxBios__exit;
2775 biosA0[0x3b] = psxBios_getchar;
2776 biosA0[0x3c] = psxBios_putchar;
2777 //biosA0[0x3d] = psxBios_gets;
2778 //biosA0[0x40] = psxBios_sys_a0_40;
2779 //biosA0[0x41] = psxBios_LoadTest;
2780 biosA0[0x42] = psxBios_Load;
2781 biosA0[0x43] = psxBios_Exec;
2782 biosA0[0x44] = psxBios_FlushCache;
2783 //biosA0[0x45] = psxBios_InstallInterruptHandler;
2784 biosA0[0x46] = psxBios_GPU_dw;
2785 biosA0[0x47] = psxBios_mem2vram;
2786 biosA0[0x48] = psxBios_SendGPU;
2787 biosA0[0x49] = psxBios_GPU_cw;
2788 biosA0[0x4a] = psxBios_GPU_cwb;
2789 biosA0[0x4b] = psxBios_GPU_SendPackets;
2790 biosA0[0x4c] = psxBios_sys_a0_4c;
2791 biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2792 //biosA0[0x4e] = psxBios_GPU_sync;
2793 //biosA0[0x4f] = psxBios_sys_a0_4f;
2794 //biosA0[0x50] = psxBios_sys_a0_50;
2795 biosA0[0x51] = psxBios_LoadExec;
2796 //biosA0[0x52] = psxBios_GetSysSp;
2797 //biosA0[0x53] = psxBios_sys_a0_53;
2798 //biosA0[0x54] = psxBios__96_init_a54;
2799 //biosA0[0x55] = psxBios__bu_init_a55;
2800 //biosA0[0x56] = psxBios__96_remove_a56;
2801 //biosA0[0x57] = psxBios_sys_a0_57;
2802 //biosA0[0x58] = psxBios_sys_a0_58;
2803 //biosA0[0x59] = psxBios_sys_a0_59;
2804 //biosA0[0x5a] = psxBios_sys_a0_5a;
2805 //biosA0[0x5b] = psxBios_dev_tty_init;
2806 //biosA0[0x5c] = psxBios_dev_tty_open;
2807 //biosA0[0x5d] = psxBios_sys_a0_5d;
2808 //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2809 //biosA0[0x5f] = psxBios_dev_cd_open;
2810 //biosA0[0x60] = psxBios_dev_cd_read;
2811 //biosA0[0x61] = psxBios_dev_cd_close;
2812 //biosA0[0x62] = psxBios_dev_cd_firstfile;
2813 //biosA0[0x63] = psxBios_dev_cd_nextfile;
2814 //biosA0[0x64] = psxBios_dev_cd_chdir;
2815 //biosA0[0x65] = psxBios_dev_card_open;
2816 //biosA0[0x66] = psxBios_dev_card_read;
2817 //biosA0[0x67] = psxBios_dev_card_write;
2818 //biosA0[0x68] = psxBios_dev_card_close;
2819 //biosA0[0x69] = psxBios_dev_card_firstfile;
2820 //biosA0[0x6a] = psxBios_dev_card_nextfile;
2821 //biosA0[0x6b] = psxBios_dev_card_erase;
2822 //biosA0[0x6c] = psxBios_dev_card_undelete;
2823 //biosA0[0x6d] = psxBios_dev_card_format;
2824 //biosA0[0x6e] = psxBios_dev_card_rename;
2825 //biosA0[0x6f] = psxBios_dev_card_6f;
2826 biosA0[0x70] = psxBios__bu_init;
2827 biosA0[0x71] = psxBios__96_init;
2828 biosA0[0x72] = psxBios__96_remove;
2829 //biosA0[0x73] = psxBios_sys_a0_73;
2830 //biosA0[0x74] = psxBios_sys_a0_74;
2831 //biosA0[0x75] = psxBios_sys_a0_75;
2832 //biosA0[0x76] = psxBios_sys_a0_76;
2833 //biosA0[0x77] = psxBios_sys_a0_77;
2834 //biosA0[0x78] = psxBios__96_CdSeekL;
2835 //biosA0[0x79] = psxBios_sys_a0_79;
2836 //biosA0[0x7a] = psxBios_sys_a0_7a;
2837 //biosA0[0x7b] = psxBios_sys_a0_7b;
2838 //biosA0[0x7c] = psxBios__96_CdGetStatus;
2839 //biosA0[0x7d] = psxBios_sys_a0_7d;
2840 //biosA0[0x7e] = psxBios__96_CdRead;
2841 //biosA0[0x7f] = psxBios_sys_a0_7f;
2842 //biosA0[0x80] = psxBios_sys_a0_80;
2843 //biosA0[0x81] = psxBios_sys_a0_81;
2844 //biosA0[0x82] = psxBios_sys_a0_82;
2845 //biosA0[0x83] = psxBios_sys_a0_83;
2846 //biosA0[0x84] = psxBios_sys_a0_84;
2847 //biosA0[0x85] = psxBios__96_CdStop;
2848 //biosA0[0x86] = psxBios_sys_a0_86;
2849 //biosA0[0x87] = psxBios_sys_a0_87;
2850 //biosA0[0x88] = psxBios_sys_a0_88;
2851 //biosA0[0x89] = psxBios_sys_a0_89;
2852 //biosA0[0x8a] = psxBios_sys_a0_8a;
2853 //biosA0[0x8b] = psxBios_sys_a0_8b;
2854 //biosA0[0x8c] = psxBios_sys_a0_8c;
2855 //biosA0[0x8d] = psxBios_sys_a0_8d;
2856 //biosA0[0x8e] = psxBios_sys_a0_8e;
2857 //biosA0[0x8f] = psxBios_sys_a0_8f;
2858 //biosA0[0x90] = psxBios_sys_a0_90;
2859 //biosA0[0x91] = psxBios_sys_a0_91;
2860 //biosA0[0x92] = psxBios_sys_a0_92;
2861 //biosA0[0x93] = psxBios_sys_a0_93;
2862 //biosA0[0x94] = psxBios_sys_a0_94;
2863 //biosA0[0x95] = psxBios_sys_a0_95;
2864 //biosA0[0x96] = psxBios_AddCDROMDevice;
2865 //biosA0[0x97] = psxBios_AddMemCardDevide;
2866 //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2867 //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2868 //biosA0[0x9a] = psxBios_sys_a0_9a;
2869 //biosA0[0x9b] = psxBios_sys_a0_9b;
2870 //biosA0[0x9c] = psxBios_SetConf;
2871 //biosA0[0x9d] = psxBios_GetConf;
2872 //biosA0[0x9e] = psxBios_sys_a0_9e;
2873 biosA0[0x9f] = psxBios_SetMem;
2874 //biosA0[0xa0] = psxBios__boot;
2875 //biosA0[0xa1] = psxBios_SystemError;
2876 //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2877 //biosA0[0xa3] = psxBios_DequeueCdIntr;
2878 //biosA0[0xa4] = psxBios_sys_a0_a4;
2879 //biosA0[0xa5] = psxBios_ReadSector;
2880 biosA0[0xa6] = psxBios_get_cd_status;
2881 //biosA0[0xa7] = psxBios_bufs_cb_0;
2882 //biosA0[0xa8] = psxBios_bufs_cb_1;
2883 //biosA0[0xa9] = psxBios_bufs_cb_2;
2884 //biosA0[0xaa] = psxBios_bufs_cb_3;
2885 biosA0[0xab] = psxBios__card_info;
2886 biosA0[0xac] = psxBios__card_load;
2887 //biosA0[0axd] = psxBios__card_auto;
2888 //biosA0[0xae] = psxBios_bufs_cd_4;
2889 //biosA0[0xaf] = psxBios_sys_a0_af;
2890 //biosA0[0xb0] = psxBios_sys_a0_b0;
2891 //biosA0[0xb1] = psxBios_sys_a0_b1;
2892 //biosA0[0xb2] = psxBios_do_a_long_jmp
2893 //biosA0[0xb3] = psxBios_sys_a0_b3;
2894 //biosA0[0xb4] = psxBios_sub_function;
2895 //*******************B0 CALLS****************************
2896 //biosB0[0x00] = psxBios_SysMalloc;
2897 //biosB0[0x01] = psxBios_sys_b0_01;
2898 biosB0[0x02] = psxBios_SetRCnt;
2899 biosB0[0x03] = psxBios_GetRCnt;
2900 biosB0[0x04] = psxBios_StartRCnt;
2901 biosB0[0x05] = psxBios_StopRCnt;
2902 biosB0[0x06] = psxBios_ResetRCnt;
2903 biosB0[0x07] = psxBios_DeliverEvent;
2904 biosB0[0x08] = psxBios_OpenEvent;
2905 biosB0[0x09] = psxBios_CloseEvent;
2906 biosB0[0x0a] = psxBios_WaitEvent;
2907 biosB0[0x0b] = psxBios_TestEvent;
2908 biosB0[0x0c] = psxBios_EnableEvent;
2909 biosB0[0x0d] = psxBios_DisableEvent;
2910 biosB0[0x0e] = psxBios_OpenTh;
2911 biosB0[0x0f] = psxBios_CloseTh;
2912 biosB0[0x10] = psxBios_ChangeTh;
2913 //biosB0[0x11] = psxBios_psxBios_b0_11;
2914 biosB0[0x12] = psxBios_InitPAD;
2915 biosB0[0x13] = psxBios_StartPAD;
2916 biosB0[0x14] = psxBios_StopPAD;
2917 biosB0[0x15] = psxBios_PAD_init;
2918 biosB0[0x16] = psxBios_PAD_dr;
2919 biosB0[0x17] = psxBios_ReturnFromException;
2920 biosB0[0x18] = psxBios_ResetEntryInt;
2921 biosB0[0x19] = psxBios_HookEntryInt;
2922 //biosB0[0x1a] = psxBios_sys_b0_1a;
2923 //biosB0[0x1b] = psxBios_sys_b0_1b;
2924 //biosB0[0x1c] = psxBios_sys_b0_1c;
2925 //biosB0[0x1d] = psxBios_sys_b0_1d;
2926 //biosB0[0x1e] = psxBios_sys_b0_1e;
2927 //biosB0[0x1f] = psxBios_sys_b0_1f;
2928 biosB0[0x20] = psxBios_UnDeliverEvent;
2929 //biosB0[0x21] = psxBios_sys_b0_21;
2930 //biosB0[0x22] = psxBios_sys_b0_22;
2931 //biosB0[0x23] = psxBios_sys_b0_23;
2932 //biosB0[0x24] = psxBios_sys_b0_24;
2933 //biosB0[0x25] = psxBios_sys_b0_25;
2934 //biosB0[0x26] = psxBios_sys_b0_26;
2935 //biosB0[0x27] = psxBios_sys_b0_27;
2936 //biosB0[0x28] = psxBios_sys_b0_28;
2937 //biosB0[0x29] = psxBios_sys_b0_29;
2938 //biosB0[0x2a] = psxBios_sys_b0_2a;
2939 //biosB0[0x2b] = psxBios_sys_b0_2b;
2940 //biosB0[0x2c] = psxBios_sys_b0_2c;
2941 //biosB0[0x2d] = psxBios_sys_b0_2d;
2942 //biosB0[0x2e] = psxBios_sys_b0_2e;
2943 //biosB0[0x2f] = psxBios_sys_b0_2f;
2944 //biosB0[0x30] = psxBios_sys_b0_30;
2945 //biosB0[0x31] = psxBios_sys_b0_31;
2946 biosB0[0x32] = psxBios_open;
2947 biosB0[0x33] = psxBios_lseek;
2948 biosB0[0x34] = psxBios_read;
2949 biosB0[0x35] = psxBios_write;
2950 biosB0[0x36] = psxBios_close;
2951 //biosB0[0x37] = psxBios_ioctl;
2952 //biosB0[0x38] = psxBios_exit;
2953 //biosB0[0x39] = psxBios_sys_b0_39;
2954 //biosB0[0x3a] = psxBios_getc;
2955 //biosB0[0x3b] = psxBios_putc;
2956 biosB0[0x3c] = psxBios_getchar;
2957 //biosB0[0x3e] = psxBios_gets;
2958 //biosB0[0x40] = psxBios_cd;
2959 biosB0[0x41] = psxBios_format;
2960 biosB0[0x42] = psxBios_firstfile;
2961 biosB0[0x43] = psxBios_nextfile;
2962 biosB0[0x44] = psxBios_rename;
2963 biosB0[0x45] = psxBios_delete;
2964 //biosB0[0x46] = psxBios_undelete;
2965 //biosB0[0x47] = psxBios_AddDevice;
2966 //biosB0[0x48] = psxBios_RemoteDevice;
2967 //biosB0[0x49] = psxBios_PrintInstalledDevices;
2968 biosB0[0x4a] = psxBios_InitCARD;
2969 biosB0[0x4b] = psxBios_StartCARD;
2970 biosB0[0x4c] = psxBios_StopCARD;
2971 //biosB0[0x4d] = psxBios_sys_b0_4d;
2972 biosB0[0x4e] = psxBios__card_write;
2973 biosB0[0x4f] = psxBios__card_read;
2974 biosB0[0x50] = psxBios__new_card;
2975 biosB0[0x51] = psxBios_Krom2RawAdd;
2976 //biosB0[0x52] = psxBios_sys_b0_52;
2977 //biosB0[0x53] = psxBios_sys_b0_53;
2978 //biosB0[0x54] = psxBios__get_errno;
2979 biosB0[0x55] = psxBios__get_error;
2980 biosB0[0x56] = psxBios_GetC0Table;
2981 biosB0[0x57] = psxBios_GetB0Table;
2982 biosB0[0x58] = psxBios__card_chan;
2983 //biosB0[0x59] = psxBios_sys_b0_59;
2984 //biosB0[0x5a] = psxBios_sys_b0_5a;
2985 biosB0[0x5b] = psxBios_ChangeClearPad;
2986 biosB0[0x5c] = psxBios__card_status;
2987 biosB0[0x5d] = psxBios__card_wait;
2988 //*******************C0 CALLS****************************
2989 //biosC0[0x00] = psxBios_InitRCnt;
2990 //biosC0[0x01] = psxBios_InitException;
2991 biosC0[0x02] = psxBios_SysEnqIntRP;
2992 biosC0[0x03] = psxBios_SysDeqIntRP;
2993 //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2994 //biosC0[0x05] = psxBios_get_free_TCB_slot;
2995 //biosC0[0x06] = psxBios_ExceptionHandler;
2996 //biosC0[0x07] = psxBios_InstallExeptionHandler;
2997 //biosC0[0x08] = psxBios_SysInitMemory;
2998 //biosC0[0x09] = psxBios_SysInitKMem;
2999 biosC0[0x0a] = psxBios_ChangeClearRCnt;
3000 //biosC0[0x0b] = psxBios_SystemError;
3001 //biosC0[0x0c] = psxBios_InitDefInt;
3002 //biosC0[0x0d] = psxBios_sys_c0_0d;
3003 //biosC0[0x0e] = psxBios_sys_c0_0e;
3004 //biosC0[0x0f] = psxBios_sys_c0_0f;
3005 //biosC0[0x10] = psxBios_sys_c0_10;
3006 //biosC0[0x11] = psxBios_sys_c0_11;
3007 //biosC0[0x12] = psxBios_InstallDevices;
3008 //biosC0[0x13] = psxBios_FlushStfInOutPut;
3009 //biosC0[0x14] = psxBios_sys_c0_14;
3010 //biosC0[0x15] = psxBios__cdevinput;
3011 //biosC0[0x16] = psxBios__cdevscan;
3012 //biosC0[0x17] = psxBios__circgetc;
3013 //biosC0[0x18] = psxBios__circputc;
3014 //biosC0[0x19] = psxBios_ioabort;
3015 //biosC0[0x1a] = psxBios_sys_c0_1a
3016 //biosC0[0x1b] = psxBios_KernelRedirect;
3017 //biosC0[0x1c] = psxBios_PatchAOTable;
3018 //************** THE END ***************************************
3021 size = sizeof(EvCB) * 32;
3022 Event = (void *)&psxR[base]; base += size * 6;
3023 memset(Event, 0, size * 6);
3026 RcEV = Event + 32 * 2;
3027 UeEV = Event + 32 * 3;
3028 SwEV = Event + 32 * 4;
3029 ThEV = Event + 32 * 5;
3031 ptr = (u32 *)&psxM[0x0874]; // b0 table
3032 ptr[0] = SWAPu32(0x4c54 - 0x884);
3034 ptr = (u32 *)&psxM[0x0674]; // c0 table
3035 ptr[6] = SWAPu32(0xc80);
3037 memset(SysIntRP, 0, sizeof(SysIntRP));
3038 memset(Thread, 0, sizeof(Thread));
3039 Thread[0].status = 2; // main thread
3046 pad_buf1len = pad_buf2len = 0;
3052 memset(FDesc, 0, sizeof(FDesc));
3053 card_active_chan = 0;
3055 psxMu32ref(0x0150) = SWAPu32(0x160);
3056 psxMu32ref(0x0154) = SWAPu32(0x320);
3057 psxMu32ref(0x0160) = SWAPu32(0x248);
3058 strcpy((char *)&psxM[0x248], "bu");
3059 /* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
3060 psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
3061 psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
3062 psxMu32ref(0x09e0) = SWAPu32(0x43d0);
3063 psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
3066 psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
3067 /* Whatever this does, it actually breaks CTR, even without the uninitiliazed memory patch.
3068 Normally games shouldn't read from address 0 yet they do. See explanation below in details. */
3069 //psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
3070 psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
3071 psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
3072 psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
3073 psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
3074 psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
3075 psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
3076 psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
3077 psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
3079 // initial stack pointer for BIOS interrupt
3080 psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
3083 psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
3086 len = 0x80000 - 0x66000;
3087 uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
3088 len = 0x80000 - 0x69d68;
3089 uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
3092 psxHu32ref(0x1060) = SWAPu32(0x00000b88);
3094 hleSoftCall = FALSE;
3096 /* Some games like R-Types, CTR, Fade to Black read from adress 0x00000000 due to uninitialized pointers.
3097 See Garbage Area at Address 00000000h in Nocash PSX Specfications for more information.
3098 Here are some examples of games not working with this fix in place :
3099 R-type won't get past the Irem logo if not implemented.
3100 Crash Team Racing will softlock after the Sony logo.
3103 psxMu32ref(0x0000) = SWAPu32(0x00000003);
3105 But overwritten by 00000003h after soon.
3106 psxMu32ref(0x0000) = SWAPu32(0x00001A3C);
3108 psxMu32ref(0x0004) = SWAPu32(0x800C5A27);
3109 psxMu32ref(0x0008) = SWAPu32(0x08000403);
3110 psxMu32ref(0x000C) = SWAPu32(0x00000000);
3113 void psxBiosShutdown() {
3116 #define psxBios_PADpoll(pad) { \
3117 PAD##pad##_startPoll(pad); \
3118 pad_buf##pad[0] = 0; \
3119 pad_buf##pad[1] = PAD##pad##_poll(0x42); \
3120 if (!(pad_buf##pad[1] & 0x0f)) { \
3123 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
3125 PAD##pad##_poll(0); \
3127 while (bufcount--) { \
3128 pad_buf##pad[i++] = PAD##pad##_poll(0); \
3132 void biosInterrupt() {
3135 // if (psxHu32(0x1070) & 0x1) { // Vsync
3136 if (pad_buf != NULL) {
3137 u32 *buf = (u32*)pad_buf;
3139 if (!Config.UseNet) {
3141 if (PAD1_poll(0x42) == 0x23) {
3143 *buf = PAD1_poll(0) << 8;
3144 *buf |= PAD1_poll(0);
3146 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
3147 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
3150 *buf = PAD1_poll(0) << 8;
3151 *buf|= PAD1_poll(0);
3155 if (PAD2_poll(0x42) == 0x23) {
3157 *buf |= PAD2_poll(0) << 24;
3158 *buf |= PAD2_poll(0) << 16;
3160 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
3161 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
3164 *buf |= PAD2_poll(0) << 24;
3165 *buf |= PAD2_poll(0) << 16;
3173 data = PAD1_poll(0) << 8;
3174 data |= PAD1_poll(0);
3176 if (NET_sendPadData(&data, 2) == -1)
3179 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
3181 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
3185 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
3188 if (NET_sendPadData(pad_buf1, i) == -1)
3191 if (NET_recvPadData(pad_buf1, 1) == -1)
3193 if (NET_recvPadData(pad_buf2, 2) == -1)
3207 if (psxHu32(0x1070) & 0x1) { // Vsync
3208 if (RcEV[3][1].status == EvStACTIVE) {
3209 softCall(RcEV[3][1].fhandler);
3210 // hwWrite32(0x1f801070, ~(1));
3214 if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
3217 for (i = 0; i < 3; i++) {
3218 if (psxHu32(0x1070) & (1 << (i + 4))) {
3219 if (RcEV[i][1].status == EvStACTIVE) {
3220 softCall(RcEV[i][1].fhandler);
3222 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
3228 void psxBiosException() {
3231 switch (psxRegs.CP0.n.Cause & 0x3c) {
3232 case 0x00: // Interrupt
3233 interrupt_r26=psxRegs.CP0.n.EPC;
3235 // PSXCPU_LOG("interrupt\n");
3239 sp = psxMu32(0x6c80); // create new stack for interrupt handlers
3243 for (i = 0; i < 8; i++) {
3245 u32 *queue = (u32 *)PSXM(SysIntRP[i]);
3252 if (jmp_int != NULL) {
3255 psxHwWrite32(0x1f801070, 0xffffffff);
3260 for (i = 0; i < 8; i++) // s0-s7
3261 psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
3268 psxHwWrite16(0x1f801070, 0);
3271 case 0x20: // Syscall
3273 PSXCPU_LOG("syscall exp %x\n", a0);
3276 case 1: // EnterCritical - disable irq's
3277 /* Fixes Medievil 2 not loading up new game, Digimon World not booting up and possibly others */
3278 v0 = (psxRegs.CP0.n.Status & 0x404) == 0x404;
3279 psxRegs.CP0.n.Status &= ~0x404;
3282 case 2: // ExitCritical - enable irq's
3283 psxRegs.CP0.n.Status |= 0x404;
3285 /* Normally this should cover SYS(00h, SYS(04h but they don't do anything relevant so... */
3289 pc0 = psxRegs.CP0.n.EPC + 4;
3291 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3292 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3297 PSXCPU_LOG("unknown bios exception!\n");
3302 pc0 = psxRegs.CP0.n.EPC;
3303 if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
3305 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3306 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3309 #define bfreeze(ptr, size) { \
3310 if (Mode == 1) memcpy(&psxR[base], ptr, size); \
3311 if (Mode == 0) memcpy(ptr, &psxR[base], size); \
3315 #define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
3316 #define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
3318 #define bfreezepsxMptr(ptr, type) { \
3320 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
3321 else psxRu32ref(base) = 0; \
3323 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
3324 else (ptr) = NULL; \
3326 base += sizeof(u32); \
3329 void psxBiosFreeze(int Mode) {
3332 bfreezepsxMptr(jmp_int, u32);
3333 bfreezepsxMptr(pad_buf, int);
3334 bfreezepsxMptr(pad_buf1, char);
3335 bfreezepsxMptr(pad_buf2, char);
3336 bfreezepsxMptr(heap_addr, u32);
3337 bfreezel(&pad_buf1len);
3338 bfreezel(&pad_buf2len);
3341 bfreezel(&CardState);
3343 bfreezel(&CurThread);
3345 bfreezel(&card_active_chan);
3346 bfreezel(&pad_stopped);
3347 bfreezel(&heap_size);