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<<0x10)|(a0&0xffff));
1422 GPU_writeData((a3<<0x10)|(a2&0xffff));
1424 ptr = (u32*)PSXM(Rsp[4]); //that is correct?
1427 GPU_writeData(SWAPu32(*ptr++));
1433 void psxBios_mem2vram() { // 0x47
1436 GPU_writeData(0xa0000000);
1437 GPU_writeData((a1<<0x10)|(a0&0xffff));
1438 GPU_writeData((a3<<0x10)|(a2&0xffff));
1439 size = ((((a2 * a3) / 2) >> 4) << 16);
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 | 0x10);
1445 psxHwWrite32(0x1f8010a8,0x01000201);
1450 void psxBios_SendGPU() { // 0x48
1451 GPU_writeStatus(a0);
1456 void psxBios_GPU_cw() { // 0x49
1463 void psxBios_GPU_cwb() { // 0x4a
1464 u32 *ptr = (u32*)Ra0;
1469 GPU_writeData(SWAPu32(*ptr++));
1475 void psxBios_GPU_SendPackets() { //4b:
1477 GPU_writeStatus(0x04000002);
1478 psxHwWrite32(0x1f8010f4,0);
1479 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1480 psxHwWrite32(0x1f8010a0,a0);
1481 psxHwWrite32(0x1f8010a4,0);
1482 psxHwWrite32(0x1f8010a8,0x010000401);
1486 void psxBios_sys_a0_4c() { // 0x4c GPU relate
1487 psxHwWrite32(0x1f8010a8,0x00000401);
1488 GPU_writeData(0x0400000);
1489 GPU_writeData(0x0200000);
1490 GPU_writeData(0x0100000);
1495 void psxBios_GPU_GetGPUStatus() { // 0x4d
1496 v0 = GPU_readStatus();
1502 void psxBios_LoadExec() { // 51
1503 EXEC *header = (EXEC*)PSXM(0xf000);
1507 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1509 s_addr = a1; s_size = a2;
1514 header->S_addr = s_addr;
1515 header->s_size = s_size;
1517 a0 = 0xf000; a1 = 0; a2 = 0;
1521 void psxBios__bu_init() { // 70
1523 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1526 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1527 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1532 void psxBios__96_init() { // 71
1534 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1540 void psxBios__96_remove() { // 72
1542 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1548 void psxBios_SetMem() { // 9f
1549 u32 new = psxHu32(0x1060);
1552 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1557 psxHu32ref(0x1060) = SWAP32(new);
1558 psxMu32ref(0x060) = a0;
1559 SysPrintf("Change effective memory : %d MBytes\n",a0);
1563 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1564 psxMu32ref(0x060) = a0;
1565 SysPrintf("Change effective memory : %d MBytes\n",a0);
1568 SysPrintf("Effective memory must be 2/8 MBytes\n");
1575 /* TODO FIXME : Not compliant. -1 indicates failure but using 1 for now. */
1576 void psxBios_get_cd_status(void) //a6
1582 void psxBios__card_info() { // ab
1584 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1587 card_active_chan = a0;
1589 switch (card_active_chan)
1591 case 0x00: case 0x01: case 0x02: case 0x03:
1592 ret = Config.Mcd1[0] ? 0x2 : 0x8;
1594 case 0x10: case 0x11: case 0x12: case 0x13:
1595 ret = Config.Mcd2[0] ? 0x2 : 0x8;
1599 PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan);
1605 DeliverEvent(0x11, 0x2); // 0xf4000001, 0x0004
1606 DeliverEvent(0x81, ret); // 0xf4000001, 0x0004
1610 void psxBios__card_load() { // ac
1612 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1615 card_active_chan = a0;
1617 // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1618 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1623 /* System calls B0 */
1625 void psxBios_SetRCnt() { // 02
1627 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1634 psxRcntWtarget(a0, a1);
1635 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1636 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1637 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1638 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1639 else { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1641 psxRcntWmode(a0, mode);
1646 void psxBios_GetRCnt() { // 03
1648 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1652 if (a0 != 3) v0 = psxRcntRcount(a0);
1657 void psxBios_StartRCnt() { // 04
1659 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1663 if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1664 else psxHu32ref(0x1074)|= SWAPu32(0x1);
1668 void psxBios_StopRCnt() { // 05
1670 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1674 if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1675 else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1679 void psxBios_ResetRCnt() { // 06
1681 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1686 psxRcntWmode(a0, 0);
1687 psxRcntWtarget(a0, 0);
1688 psxRcntWcount(a0, 0);
1694 /* gets ev for use with Event */
1696 ev = (a0 >> 24) & 0xf; \
1697 if (ev == 0xf) ev = 0x5; \
1701 /* gets spec for use with Event */
1705 case 0x0301: spec = 16; break; \
1706 case 0x0302: spec = 17; break; \
1708 for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1712 void psxBios_DeliverEvent() { // 07
1720 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1723 DeliverEvent(ev, spec);
1728 void psxBios_OpenEvent() { // 08
1736 PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1739 Event[ev][spec].status = EvStWAIT;
1740 Event[ev][spec].mode = a2;
1741 Event[ev][spec].fhandler = a3;
1743 v0 = ev | (spec << 8);
1747 void psxBios_CloseEvent() { // 09
1751 spec = (a0 >> 8) & 0xff;
1754 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1757 Event[ev][spec].status = EvStUNUSED;
1762 void psxBios_WaitEvent() { // 0a
1766 spec = (a0 >> 8) & 0xff;
1768 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1770 if (Event[ev][spec].status == EvStUNUSED)
1777 if (Event[ev][spec].status == EvStALREADY)
1779 /* Callback events (mode=EvMdINTR) do never set the ready flag (and thus WaitEvent would hang forever). */
1780 if (!(Event[ev][spec].mode == EvMdINTR)) Event[ev][spec].status = EvStACTIVE;
1790 void psxBios_TestEvent() { // 0b
1794 spec = (a0 >> 8) & 0xff;
1796 if (Event[ev][spec].status == EvStALREADY)
1798 if (!(Event[ev][spec].mode == EvMdINTR)) Event[ev][spec].status = EvStACTIVE;
1807 PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1813 void psxBios_EnableEvent() { // 0c
1817 spec = (a0 >> 8) & 0xff;
1820 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1823 Event[ev][spec].status = EvStACTIVE;
1828 void psxBios_DisableEvent() { // 0d
1832 spec = (a0 >> 8) & 0xff;
1835 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1838 Event[ev][spec].status = EvStWAIT;
1844 * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1847 void psxBios_OpenTh() { // 0e
1850 for (th=1; th<8; th++)
1852 if (Thread[th].status == 0) break;
1856 // Feb 2019 - Added out-of-bounds fix caught by cppcheck:
1857 // When no free TCB is found, return 0xffffffff according to Nocash doc.
1859 PSXBIOS_LOG("\t%s() WARNING! No Free TCBs found!\n", __func__);
1866 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1869 Thread[th].status = 1;
1870 Thread[th].func = a0;
1871 Thread[th].reg[29] = a1;
1872 Thread[th].reg[28] = a2;
1878 * int CloseTh(long thread);
1881 void psxBios_CloseTh() { // 0f
1885 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1887 /* The return value is always 1 (even if the handle was already closed). */
1889 if (Thread[th].status != 0) {
1890 Thread[th].status = 0;
1897 * int ChangeTh(long thread);
1900 void psxBios_ChangeTh() { // 10
1904 // PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1906 /* The return value is always 1. */
1908 if (Thread[th].status == 0 || CurThread == th) {
1911 if (Thread[CurThread].status == 2) {
1912 Thread[CurThread].status = 1;
1913 Thread[CurThread].func = ra;
1914 memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1917 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1918 pc0 = Thread[th].func;
1919 Thread[th].status = 2;
1924 void psxBios_InitPAD() { // 0x12
1926 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1929 pad_buf1 = (char*)Ra0;
1931 pad_buf2 = (char*)Ra2;
1937 void psxBios_StartPAD() { // 13
1939 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1942 psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1943 psxRegs.CP0.n.Status |= 0x401;
1947 void psxBios_StopPAD() { // 14
1949 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1957 void psxBios_PAD_init() { // 15
1959 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1961 if (!(a0 == 0x20000000 || a0 == 0x20000001))
1967 psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1968 pad_buf = (int *)Ra1;
1970 psxRegs.CP0.n.Status |= 0x401;
1975 void psxBios_PAD_dr() { // 16
1977 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1983 void psxBios_ReturnFromException() { // 17
1986 pc0 = psxRegs.CP0.n.EPC;
1988 if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1990 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1991 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1994 void psxBios_ResetEntryInt() { // 18
1996 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
2003 void psxBios_HookEntryInt() { // 19
2005 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
2008 jmp_int = (u32*)Ra0;
2012 void psxBios_UnDeliverEvent() { // 0x20
2020 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
2023 if (Event[ev][spec].status == EvStALREADY &&
2024 Event[ev][spec].mode == EvMdNOINTR)
2025 Event[ev][spec].status = EvStACTIVE;
2030 char ffile[64], *pfile;
2032 static void buopen(int mcd, u8 *ptr, u8 *cfg)
2037 strcpy(FDesc[1 + mcd].name, Ra0+5);
2038 FDesc[1 + mcd].offset = 0;
2039 FDesc[1 + mcd].mode = a1;
2041 for (i=1; i<16; i++) {
2043 if ((*fptr & 0xF0) != 0x50) continue;
2044 if (strcmp(FDesc[1 + mcd].name, fptr+0xa)) continue;
2045 FDesc[1 + mcd].mcfile = i;
2046 SysPrintf("open %s\n", fptr+0xa);
2050 if (a1 & 0x200 && v0 == -1) { /* FCREAT */
2052 for (i=1; i<16; i++) {
2053 int j, xor, nblk = a1 >> 16;
2057 if ((*fptr & 0xF0) != 0xa0) continue;
2059 FDesc[1 + mcd].mcfile = i;
2062 fptr[5] = 0x20 * nblk;
2065 strcpy(fptr+0xa, FDesc[1 + mcd].name);
2066 pptr = fptr2 = fptr;
2067 for(j=2; j<=nblk; j++) {
2069 for(i++; i<16; i++) {
2072 memset(fptr2, 0, 128);
2073 fptr2[0] = j < nblk ? 0x52 : 0x53;
2076 for (k=0, xor=0; k<127; k++) xor^= pptr[k];
2081 /* shouldn't this return ENOSPC if i == 16? */
2083 pptr[8] = pptr[9] = 0xff;
2084 for (j=0, xor=0; j<127; j++) xor^= pptr[j];
2086 SysPrintf("openC %s %d\n", ptr, nblk);
2088 /* just go ahead and resave them all */
2089 SaveMcd(cfg, ptr, 128, 128 * 15);
2092 /* shouldn't this return ENOSPC if i == 16? */
2097 * int open(char *name , int mode);
2100 void psxBios_open() { // 0x32
2104 PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
2110 if (!strncmp(pa0, "bu00", 4)) {
2111 buopen(1, Mcd1Data, Config.Mcd1);
2114 if (!strncmp(pa0, "bu10", 4)) {
2115 buopen(2, Mcd2Data, Config.Mcd2);
2123 * int lseek(int fd , int offset , int whence);
2126 void psxBios_lseek() { // 0x33
2128 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
2133 FDesc[a0].offset = a1;
2135 // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2136 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2140 FDesc[a0].offset+= a1;
2141 v0 = FDesc[a0].offset;
2150 * int read(int fd , void *buf , int nbytes);
2153 void psxBios_read() { // 0x34
2158 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
2165 case 2: buread(pa1, 1, a2); break;
2166 case 3: buread(pa1, 2, a2); break;
2174 * int write(int fd , void *buf , int nbytes);
2177 void psxBios_write() { // 0x35/0x03
2182 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
2191 if (a0 == 1) { // stdout
2196 SysPrintf("%c", *ptr++); a2--;
2202 case 2: buwrite(pa1, 1, a2); break;
2203 case 3: buwrite(pa1, 2, a2); break;
2210 * int close(int fd);
2213 void psxBios_close() { // 0x36
2215 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
2222 void psxBios_putchar() { // 3d
2223 SysPrintf("%c", (char)a0);
2227 void psxBios_puts() { // 3e/3f
2228 SysPrintf("%s", Ra0);
2233 /* To avoid any issues with different behaviour when using the libc's own strlen instead.
2234 * We want to mimic the PSX's behaviour in this case for bufile. */
2235 static size_t strlen_internal(char* p)
2237 size_t size_of_array = 0;
2238 while (*p++) size_of_array++;
2239 return size_of_array;
2242 #define bufile(mcd) { \
2243 size_t size_of_name = strlen_internal(dir->name); \
2244 while (nfile < 16) { \
2247 ptr = Mcd##mcd##Data + 128 * (nfile + 1); \
2249 if ((*ptr & 0xF0) != 0x50) continue; \
2250 /* Bug link files show up as free block. */ \
2251 if (!ptr[0xa]) continue; \
2253 if (pfile[0] == 0) { \
2254 strncpy(dir->name, ptr, sizeof(dir->name) - 1); \
2255 if (size_of_name < sizeof(dir->name)) dir->name[size_of_name] = '\0'; \
2256 } else for (i=0; i<20; i++) { \
2257 if (pfile[i] == ptr[i]) { \
2258 dir->name[i] = ptr[i]; continue; } \
2259 if (pfile[i] == '?') { \
2260 dir->name[i] = ptr[i]; continue; } \
2261 if (pfile[i] == '*') { \
2262 strcpy(dir->name+i, ptr+i); break; } \
2265 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
2266 if (match == 0) { continue; } \
2274 * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
2277 void psxBios_firstfile() { // 42
2278 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
2285 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
2294 if (!strncmp(pa0, "bu00", 4)) {
2295 // firstfile() calls _card_read() internally, so deliver it's event
2296 DeliverEvent(0x11, 0x2);
2298 } else if (!strncmp(pa0, "bu10", 4)) {
2299 // firstfile() calls _card_read() internally, so deliver it's event
2300 DeliverEvent(0x11, 0x2);
2309 * struct DIRENTRY* nextfile(struct DIRENTRY *dir);
2312 void psxBios_nextfile() { // 43
2313 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
2319 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
2324 if (!strncmp(ffile, "bu00", 4)) {
2328 if (!strncmp(ffile, "bu10", 4)) {
2335 #define burename(mcd) { \
2336 for (i=1; i<16; i++) { \
2337 int namelen, j, xor = 0; \
2338 ptr = Mcd##mcd##Data + 128 * i; \
2339 if ((*ptr & 0xF0) != 0x50) continue; \
2340 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2341 namelen = strlen(Ra1+5); \
2342 memcpy(ptr+0xa, Ra1+5, namelen); \
2343 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
2344 for (j=0; j<127; j++) xor^= ptr[j]; \
2346 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
2353 * int rename(char *old, char *new);
2356 void psxBios_rename() { // 44
2363 PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
2369 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
2373 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
2382 #define budelete(mcd) { \
2383 for (i=1; i<16; i++) { \
2384 ptr = Mcd##mcd##Data + 128 * i; \
2385 if ((*ptr & 0xF0) != 0x50) continue; \
2386 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2387 *ptr = (*ptr & 0xf) | 0xA0; \
2388 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
2389 SysPrintf("delete %s\n", ptr+0xa); \
2396 * int delete(char *name);
2399 void psxBios_delete() { // 45
2405 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2411 if (!strncmp(pa0, "bu00", 4)) {
2415 if (!strncmp(pa0, "bu10", 4)) {
2423 void psxBios_InitCARD() { // 4a
2425 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2433 void psxBios_StartCARD() { // 4b
2435 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2438 if (CardState == 0) CardState = 1;
2443 void psxBios_StopCARD() { // 4c
2445 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2448 if (CardState == 1) CardState = 0;
2453 void psxBios__card_write() { // 0x4e
2458 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2461 Function also accepts sector 400h (a bug).
2462 But notaz said we shouldn't allow sector 400h because it can corrupt the emulator.
2466 /* Invalid sectors */
2470 card_active_chan = a0;
2475 memcpy(Mcd1Data + a1 * 128, pa2, 128);
2476 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2478 memcpy(Mcd2Data + a1 * 128, pa2, 128);
2479 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2483 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2484 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2489 void psxBios__card_read() { // 0x4f
2494 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2497 Function also accepts sector 400h (a bug).
2498 But notaz said we shouldn't allow sector 400h because it can corrupt the emulator.
2502 /* Invalid sectors */
2506 card_active_chan = a0;
2511 memcpy(pa2, Mcd1Data + a1 * 128, 128);
2513 memcpy(pa2, Mcd2Data + a1 * 128, 128);
2517 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2518 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2523 void psxBios__new_card() { // 0x50
2525 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2531 /* According to a user, this allows Final Fantasy Tactics to save/load properly */
2532 void psxBios__get_error(void) // 55
2538 void psxBios_Krom2RawAdd() { // 0x51
2541 const u32 table_8140[][2] = {
2542 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2543 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2544 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2545 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2546 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2547 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2548 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2549 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2550 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2554 const u32 table_889f[][2] = {
2555 {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4},
2556 {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304},
2557 {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14},
2558 {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24},
2559 {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734},
2560 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2561 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2562 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2566 if (a0 >= 0x8140 && a0 <= 0x84be) {
2567 while (table_8140[i][0] <= a0) i++;
2568 a0 -= table_8140[i - 1][0];
2569 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2570 } else if (a0 >= 0x889f && a0 <= 0x9872) {
2571 while (table_889f[i][0] <= a0) i++;
2572 a0 -= table_889f[i - 1][0];
2573 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2581 void psxBios_GetC0Table() { // 56
2583 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2586 v0 = 0x674; pc0 = ra;
2589 void psxBios_GetB0Table() { // 57
2591 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2594 v0 = 0x874; pc0 = ra;
2597 void psxBios__card_chan() { // 0x58
2599 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2602 v0 = card_active_chan;
2606 void psxBios_ChangeClearPad() { // 5b
2608 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2614 void psxBios__card_status() { // 5c
2616 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5c], a0);
2619 v0 = card_active_chan;
2623 void psxBios__card_wait() { // 5d
2625 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5d], a0);
2632 /* System calls C0 */
2635 * int SysEnqIntRP(int index , long *queue);
2638 void psxBios_SysEnqIntRP() { // 02
2640 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2649 * int SysDeqIntRP(int index , long *queue);
2652 void psxBios_SysDeqIntRP() { // 03
2654 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2662 void psxBios_ChangeClearRCnt() { // 0a
2666 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2669 ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2673 // psxRegs.CP0.n.Status|= 0x404;
2677 void psxBios_dummy() {
2679 PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2684 void (*biosA0[256])();
2685 void (*biosB0[256])();
2686 void (*biosC0[256])();
2688 #include "sjisfont.h"
2690 void psxBiosInit() {
2696 for(i = 0; i < 256; i++) {
2701 biosA0[0x3e] = psxBios_puts;
2702 biosA0[0x3f] = psxBios_printf;
2704 biosB0[0x3d] = psxBios_putchar;
2705 biosB0[0x3f] = psxBios_puts;
2707 if (!Config.HLE) return;
2709 for(i = 0; i < 256; i++) {
2710 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2711 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2712 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2715 biosA0[0x00] = psxBios_open;
2716 biosA0[0x01] = psxBios_lseek;
2717 biosA0[0x02] = psxBios_read;
2718 biosA0[0x03] = psxBios_write;
2719 biosA0[0x04] = psxBios_close;
2720 //biosA0[0x05] = psxBios_ioctl;
2721 //biosA0[0x06] = psxBios_exit;
2722 //biosA0[0x07] = psxBios_sys_a0_07;
2723 biosA0[0x08] = psxBios_getc;
2724 biosA0[0x09] = psxBios_putc;
2725 biosA0[0x0a] = psxBios_todigit;
2726 //biosA0[0x0b] = psxBios_atof;
2727 //biosA0[0x0c] = psxBios_strtoul;
2728 //biosA0[0x0d] = psxBios_strtol;
2729 biosA0[0x0e] = psxBios_abs;
2730 biosA0[0x0f] = psxBios_labs;
2731 biosA0[0x10] = psxBios_atoi;
2732 biosA0[0x11] = psxBios_atol;
2733 //biosA0[0x12] = psxBios_atob;
2734 biosA0[0x13] = psxBios_setjmp;
2735 biosA0[0x14] = psxBios_longjmp;
2736 biosA0[0x15] = psxBios_strcat;
2737 biosA0[0x16] = psxBios_strncat;
2738 biosA0[0x17] = psxBios_strcmp;
2739 biosA0[0x18] = psxBios_strncmp;
2740 biosA0[0x19] = psxBios_strcpy;
2741 biosA0[0x1a] = psxBios_strncpy;
2742 biosA0[0x1b] = psxBios_strlen;
2743 biosA0[0x1c] = psxBios_index;
2744 biosA0[0x1d] = psxBios_rindex;
2745 biosA0[0x1e] = psxBios_strchr;
2746 biosA0[0x1f] = psxBios_strrchr;
2747 biosA0[0x20] = psxBios_strpbrk;
2748 biosA0[0x21] = psxBios_strspn;
2749 biosA0[0x22] = psxBios_strcspn;
2750 biosA0[0x23] = psxBios_strtok;
2751 biosA0[0x24] = psxBios_strstr;
2752 biosA0[0x25] = psxBios_toupper;
2753 biosA0[0x26] = psxBios_tolower;
2754 biosA0[0x27] = psxBios_bcopy;
2755 biosA0[0x28] = psxBios_bzero;
2756 biosA0[0x29] = psxBios_bcmp;
2757 biosA0[0x2a] = psxBios_memcpy;
2758 biosA0[0x2b] = psxBios_memset;
2759 biosA0[0x2c] = psxBios_memmove;
2760 biosA0[0x2d] = psxBios_memcmp;
2761 biosA0[0x2e] = psxBios_memchr;
2762 biosA0[0x2f] = psxBios_rand;
2763 biosA0[0x30] = psxBios_srand;
2764 biosA0[0x31] = psxBios_qsort;
2765 //biosA0[0x32] = psxBios_strtod;
2766 biosA0[0x33] = psxBios_malloc;
2767 biosA0[0x34] = psxBios_free;
2768 //biosA0[0x35] = psxBios_lsearch;
2769 //biosA0[0x36] = psxBios_bsearch;
2770 biosA0[0x37] = psxBios_calloc;
2771 biosA0[0x38] = psxBios_realloc;
2772 biosA0[0x39] = psxBios_InitHeap;
2773 //biosA0[0x3a] = psxBios__exit;
2774 biosA0[0x3b] = psxBios_getchar;
2775 biosA0[0x3c] = psxBios_putchar;
2776 //biosA0[0x3d] = psxBios_gets;
2777 //biosA0[0x40] = psxBios_sys_a0_40;
2778 //biosA0[0x41] = psxBios_LoadTest;
2779 biosA0[0x42] = psxBios_Load;
2780 biosA0[0x43] = psxBios_Exec;
2781 biosA0[0x44] = psxBios_FlushCache;
2782 //biosA0[0x45] = psxBios_InstallInterruptHandler;
2783 biosA0[0x46] = psxBios_GPU_dw;
2784 biosA0[0x47] = psxBios_mem2vram;
2785 biosA0[0x48] = psxBios_SendGPU;
2786 biosA0[0x49] = psxBios_GPU_cw;
2787 biosA0[0x4a] = psxBios_GPU_cwb;
2788 biosA0[0x4b] = psxBios_GPU_SendPackets;
2789 biosA0[0x4c] = psxBios_sys_a0_4c;
2790 biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2791 //biosA0[0x4e] = psxBios_GPU_sync;
2792 //biosA0[0x4f] = psxBios_sys_a0_4f;
2793 //biosA0[0x50] = psxBios_sys_a0_50;
2794 biosA0[0x51] = psxBios_LoadExec;
2795 //biosA0[0x52] = psxBios_GetSysSp;
2796 //biosA0[0x53] = psxBios_sys_a0_53;
2797 //biosA0[0x54] = psxBios__96_init_a54;
2798 //biosA0[0x55] = psxBios__bu_init_a55;
2799 //biosA0[0x56] = psxBios__96_remove_a56;
2800 //biosA0[0x57] = psxBios_sys_a0_57;
2801 //biosA0[0x58] = psxBios_sys_a0_58;
2802 //biosA0[0x59] = psxBios_sys_a0_59;
2803 //biosA0[0x5a] = psxBios_sys_a0_5a;
2804 //biosA0[0x5b] = psxBios_dev_tty_init;
2805 //biosA0[0x5c] = psxBios_dev_tty_open;
2806 //biosA0[0x5d] = psxBios_sys_a0_5d;
2807 //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2808 //biosA0[0x5f] = psxBios_dev_cd_open;
2809 //biosA0[0x60] = psxBios_dev_cd_read;
2810 //biosA0[0x61] = psxBios_dev_cd_close;
2811 //biosA0[0x62] = psxBios_dev_cd_firstfile;
2812 //biosA0[0x63] = psxBios_dev_cd_nextfile;
2813 //biosA0[0x64] = psxBios_dev_cd_chdir;
2814 //biosA0[0x65] = psxBios_dev_card_open;
2815 //biosA0[0x66] = psxBios_dev_card_read;
2816 //biosA0[0x67] = psxBios_dev_card_write;
2817 //biosA0[0x68] = psxBios_dev_card_close;
2818 //biosA0[0x69] = psxBios_dev_card_firstfile;
2819 //biosA0[0x6a] = psxBios_dev_card_nextfile;
2820 //biosA0[0x6b] = psxBios_dev_card_erase;
2821 //biosA0[0x6c] = psxBios_dev_card_undelete;
2822 //biosA0[0x6d] = psxBios_dev_card_format;
2823 //biosA0[0x6e] = psxBios_dev_card_rename;
2824 //biosA0[0x6f] = psxBios_dev_card_6f;
2825 biosA0[0x70] = psxBios__bu_init;
2826 biosA0[0x71] = psxBios__96_init;
2827 biosA0[0x72] = psxBios__96_remove;
2828 //biosA0[0x73] = psxBios_sys_a0_73;
2829 //biosA0[0x74] = psxBios_sys_a0_74;
2830 //biosA0[0x75] = psxBios_sys_a0_75;
2831 //biosA0[0x76] = psxBios_sys_a0_76;
2832 //biosA0[0x77] = psxBios_sys_a0_77;
2833 //biosA0[0x78] = psxBios__96_CdSeekL;
2834 //biosA0[0x79] = psxBios_sys_a0_79;
2835 //biosA0[0x7a] = psxBios_sys_a0_7a;
2836 //biosA0[0x7b] = psxBios_sys_a0_7b;
2837 //biosA0[0x7c] = psxBios__96_CdGetStatus;
2838 //biosA0[0x7d] = psxBios_sys_a0_7d;
2839 //biosA0[0x7e] = psxBios__96_CdRead;
2840 //biosA0[0x7f] = psxBios_sys_a0_7f;
2841 //biosA0[0x80] = psxBios_sys_a0_80;
2842 //biosA0[0x81] = psxBios_sys_a0_81;
2843 //biosA0[0x82] = psxBios_sys_a0_82;
2844 //biosA0[0x83] = psxBios_sys_a0_83;
2845 //biosA0[0x84] = psxBios_sys_a0_84;
2846 //biosA0[0x85] = psxBios__96_CdStop;
2847 //biosA0[0x86] = psxBios_sys_a0_86;
2848 //biosA0[0x87] = psxBios_sys_a0_87;
2849 //biosA0[0x88] = psxBios_sys_a0_88;
2850 //biosA0[0x89] = psxBios_sys_a0_89;
2851 //biosA0[0x8a] = psxBios_sys_a0_8a;
2852 //biosA0[0x8b] = psxBios_sys_a0_8b;
2853 //biosA0[0x8c] = psxBios_sys_a0_8c;
2854 //biosA0[0x8d] = psxBios_sys_a0_8d;
2855 //biosA0[0x8e] = psxBios_sys_a0_8e;
2856 //biosA0[0x8f] = psxBios_sys_a0_8f;
2857 //biosA0[0x90] = psxBios_sys_a0_90;
2858 //biosA0[0x91] = psxBios_sys_a0_91;
2859 //biosA0[0x92] = psxBios_sys_a0_92;
2860 //biosA0[0x93] = psxBios_sys_a0_93;
2861 //biosA0[0x94] = psxBios_sys_a0_94;
2862 //biosA0[0x95] = psxBios_sys_a0_95;
2863 //biosA0[0x96] = psxBios_AddCDROMDevice;
2864 //biosA0[0x97] = psxBios_AddMemCardDevide;
2865 //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2866 //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2867 //biosA0[0x9a] = psxBios_sys_a0_9a;
2868 //biosA0[0x9b] = psxBios_sys_a0_9b;
2869 //biosA0[0x9c] = psxBios_SetConf;
2870 //biosA0[0x9d] = psxBios_GetConf;
2871 //biosA0[0x9e] = psxBios_sys_a0_9e;
2872 biosA0[0x9f] = psxBios_SetMem;
2873 //biosA0[0xa0] = psxBios__boot;
2874 //biosA0[0xa1] = psxBios_SystemError;
2875 //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2876 //biosA0[0xa3] = psxBios_DequeueCdIntr;
2877 //biosA0[0xa4] = psxBios_sys_a0_a4;
2878 //biosA0[0xa5] = psxBios_ReadSector;
2879 biosA0[0xa6] = psxBios_get_cd_status;
2880 //biosA0[0xa7] = psxBios_bufs_cb_0;
2881 //biosA0[0xa8] = psxBios_bufs_cb_1;
2882 //biosA0[0xa9] = psxBios_bufs_cb_2;
2883 //biosA0[0xaa] = psxBios_bufs_cb_3;
2884 biosA0[0xab] = psxBios__card_info;
2885 biosA0[0xac] = psxBios__card_load;
2886 //biosA0[0axd] = psxBios__card_auto;
2887 //biosA0[0xae] = psxBios_bufs_cd_4;
2888 //biosA0[0xaf] = psxBios_sys_a0_af;
2889 //biosA0[0xb0] = psxBios_sys_a0_b0;
2890 //biosA0[0xb1] = psxBios_sys_a0_b1;
2891 //biosA0[0xb2] = psxBios_do_a_long_jmp
2892 //biosA0[0xb3] = psxBios_sys_a0_b3;
2893 //biosA0[0xb4] = psxBios_sub_function;
2894 //*******************B0 CALLS****************************
2895 //biosB0[0x00] = psxBios_SysMalloc;
2896 //biosB0[0x01] = psxBios_sys_b0_01;
2897 biosB0[0x02] = psxBios_SetRCnt;
2898 biosB0[0x03] = psxBios_GetRCnt;
2899 biosB0[0x04] = psxBios_StartRCnt;
2900 biosB0[0x05] = psxBios_StopRCnt;
2901 biosB0[0x06] = psxBios_ResetRCnt;
2902 biosB0[0x07] = psxBios_DeliverEvent;
2903 biosB0[0x08] = psxBios_OpenEvent;
2904 biosB0[0x09] = psxBios_CloseEvent;
2905 biosB0[0x0a] = psxBios_WaitEvent;
2906 biosB0[0x0b] = psxBios_TestEvent;
2907 biosB0[0x0c] = psxBios_EnableEvent;
2908 biosB0[0x0d] = psxBios_DisableEvent;
2909 biosB0[0x0e] = psxBios_OpenTh;
2910 biosB0[0x0f] = psxBios_CloseTh;
2911 biosB0[0x10] = psxBios_ChangeTh;
2912 //biosB0[0x11] = psxBios_psxBios_b0_11;
2913 biosB0[0x12] = psxBios_InitPAD;
2914 biosB0[0x13] = psxBios_StartPAD;
2915 biosB0[0x14] = psxBios_StopPAD;
2916 biosB0[0x15] = psxBios_PAD_init;
2917 biosB0[0x16] = psxBios_PAD_dr;
2918 biosB0[0x17] = psxBios_ReturnFromException;
2919 biosB0[0x18] = psxBios_ResetEntryInt;
2920 biosB0[0x19] = psxBios_HookEntryInt;
2921 //biosB0[0x1a] = psxBios_sys_b0_1a;
2922 //biosB0[0x1b] = psxBios_sys_b0_1b;
2923 //biosB0[0x1c] = psxBios_sys_b0_1c;
2924 //biosB0[0x1d] = psxBios_sys_b0_1d;
2925 //biosB0[0x1e] = psxBios_sys_b0_1e;
2926 //biosB0[0x1f] = psxBios_sys_b0_1f;
2927 biosB0[0x20] = psxBios_UnDeliverEvent;
2928 //biosB0[0x21] = psxBios_sys_b0_21;
2929 //biosB0[0x22] = psxBios_sys_b0_22;
2930 //biosB0[0x23] = psxBios_sys_b0_23;
2931 //biosB0[0x24] = psxBios_sys_b0_24;
2932 //biosB0[0x25] = psxBios_sys_b0_25;
2933 //biosB0[0x26] = psxBios_sys_b0_26;
2934 //biosB0[0x27] = psxBios_sys_b0_27;
2935 //biosB0[0x28] = psxBios_sys_b0_28;
2936 //biosB0[0x29] = psxBios_sys_b0_29;
2937 //biosB0[0x2a] = psxBios_sys_b0_2a;
2938 //biosB0[0x2b] = psxBios_sys_b0_2b;
2939 //biosB0[0x2c] = psxBios_sys_b0_2c;
2940 //biosB0[0x2d] = psxBios_sys_b0_2d;
2941 //biosB0[0x2e] = psxBios_sys_b0_2e;
2942 //biosB0[0x2f] = psxBios_sys_b0_2f;
2943 //biosB0[0x30] = psxBios_sys_b0_30;
2944 //biosB0[0x31] = psxBios_sys_b0_31;
2945 biosB0[0x32] = psxBios_open;
2946 biosB0[0x33] = psxBios_lseek;
2947 biosB0[0x34] = psxBios_read;
2948 biosB0[0x35] = psxBios_write;
2949 biosB0[0x36] = psxBios_close;
2950 //biosB0[0x37] = psxBios_ioctl;
2951 //biosB0[0x38] = psxBios_exit;
2952 //biosB0[0x39] = psxBios_sys_b0_39;
2953 //biosB0[0x3a] = psxBios_getc;
2954 //biosB0[0x3b] = psxBios_putc;
2955 biosB0[0x3c] = psxBios_getchar;
2956 //biosB0[0x3e] = psxBios_gets;
2957 //biosB0[0x40] = psxBios_cd;
2958 biosB0[0x41] = psxBios_format;
2959 biosB0[0x42] = psxBios_firstfile;
2960 biosB0[0x43] = psxBios_nextfile;
2961 biosB0[0x44] = psxBios_rename;
2962 biosB0[0x45] = psxBios_delete;
2963 //biosB0[0x46] = psxBios_undelete;
2964 //biosB0[0x47] = psxBios_AddDevice;
2965 //biosB0[0x48] = psxBios_RemoteDevice;
2966 //biosB0[0x49] = psxBios_PrintInstalledDevices;
2967 biosB0[0x4a] = psxBios_InitCARD;
2968 biosB0[0x4b] = psxBios_StartCARD;
2969 biosB0[0x4c] = psxBios_StopCARD;
2970 //biosB0[0x4d] = psxBios_sys_b0_4d;
2971 biosB0[0x4e] = psxBios__card_write;
2972 biosB0[0x4f] = psxBios__card_read;
2973 biosB0[0x50] = psxBios__new_card;
2974 biosB0[0x51] = psxBios_Krom2RawAdd;
2975 //biosB0[0x52] = psxBios_sys_b0_52;
2976 //biosB0[0x53] = psxBios_sys_b0_53;
2977 //biosB0[0x54] = psxBios__get_errno;
2978 biosB0[0x55] = psxBios__get_error;
2979 biosB0[0x56] = psxBios_GetC0Table;
2980 biosB0[0x57] = psxBios_GetB0Table;
2981 biosB0[0x58] = psxBios__card_chan;
2982 //biosB0[0x59] = psxBios_sys_b0_59;
2983 //biosB0[0x5a] = psxBios_sys_b0_5a;
2984 biosB0[0x5b] = psxBios_ChangeClearPad;
2985 biosB0[0x5c] = psxBios__card_status;
2986 biosB0[0x5d] = psxBios__card_wait;
2987 //*******************C0 CALLS****************************
2988 //biosC0[0x00] = psxBios_InitRCnt;
2989 //biosC0[0x01] = psxBios_InitException;
2990 biosC0[0x02] = psxBios_SysEnqIntRP;
2991 biosC0[0x03] = psxBios_SysDeqIntRP;
2992 //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2993 //biosC0[0x05] = psxBios_get_free_TCB_slot;
2994 //biosC0[0x06] = psxBios_ExceptionHandler;
2995 //biosC0[0x07] = psxBios_InstallExeptionHandler;
2996 //biosC0[0x08] = psxBios_SysInitMemory;
2997 //biosC0[0x09] = psxBios_SysInitKMem;
2998 biosC0[0x0a] = psxBios_ChangeClearRCnt;
2999 //biosC0[0x0b] = psxBios_SystemError;
3000 //biosC0[0x0c] = psxBios_InitDefInt;
3001 //biosC0[0x0d] = psxBios_sys_c0_0d;
3002 //biosC0[0x0e] = psxBios_sys_c0_0e;
3003 //biosC0[0x0f] = psxBios_sys_c0_0f;
3004 //biosC0[0x10] = psxBios_sys_c0_10;
3005 //biosC0[0x11] = psxBios_sys_c0_11;
3006 //biosC0[0x12] = psxBios_InstallDevices;
3007 //biosC0[0x13] = psxBios_FlushStfInOutPut;
3008 //biosC0[0x14] = psxBios_sys_c0_14;
3009 //biosC0[0x15] = psxBios__cdevinput;
3010 //biosC0[0x16] = psxBios__cdevscan;
3011 //biosC0[0x17] = psxBios__circgetc;
3012 //biosC0[0x18] = psxBios__circputc;
3013 //biosC0[0x19] = psxBios_ioabort;
3014 //biosC0[0x1a] = psxBios_sys_c0_1a
3015 //biosC0[0x1b] = psxBios_KernelRedirect;
3016 //biosC0[0x1c] = psxBios_PatchAOTable;
3017 //************** THE END ***************************************
3020 size = sizeof(EvCB) * 32;
3021 Event = (void *)&psxR[base]; base += size * 6;
3022 memset(Event, 0, size * 6);
3025 RcEV = Event + 32 * 2;
3026 UeEV = Event + 32 * 3;
3027 SwEV = Event + 32 * 4;
3028 ThEV = Event + 32 * 5;
3030 ptr = (u32 *)&psxM[0x0874]; // b0 table
3031 ptr[0] = SWAPu32(0x4c54 - 0x884);
3033 ptr = (u32 *)&psxM[0x0674]; // c0 table
3034 ptr[6] = SWAPu32(0xc80);
3036 memset(SysIntRP, 0, sizeof(SysIntRP));
3037 memset(Thread, 0, sizeof(Thread));
3038 Thread[0].status = 2; // main thread
3045 pad_buf1len = pad_buf2len = 0;
3051 memset(FDesc, 0, sizeof(FDesc));
3052 card_active_chan = 0;
3054 psxMu32ref(0x0150) = SWAPu32(0x160);
3055 psxMu32ref(0x0154) = SWAPu32(0x320);
3056 psxMu32ref(0x0160) = SWAPu32(0x248);
3057 strcpy((char *)&psxM[0x248], "bu");
3058 /* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
3059 psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
3060 psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
3061 psxMu32ref(0x09e0) = SWAPu32(0x43d0);
3062 psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
3065 psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
3066 /* Whatever this does, it actually breaks CTR, even without the uninitiliazed memory patch.
3067 Normally games shouldn't read from address 0 yet they do. See explanation below in details. */
3068 //psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
3069 psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
3070 psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
3071 psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
3072 psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
3073 psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
3074 psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
3075 psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
3076 psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
3078 // initial stack pointer for BIOS interrupt
3079 psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
3082 psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
3085 len = 0x80000 - 0x66000;
3086 uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
3087 len = 0x80000 - 0x69d68;
3088 uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
3091 psxHu32ref(0x1060) = SWAPu32(0x00000b88);
3093 hleSoftCall = FALSE;
3095 /* Some games like R-Types, CTR, Fade to Black read from adress 0x00000000 due to uninitialized pointers.
3096 See Garbage Area at Address 00000000h in Nocash PSX Specfications for more information.
3097 Here are some examples of games not working with this fix in place :
3098 R-type won't get past the Irem logo if not implemented.
3099 Crash Team Racing will softlock after the Sony logo.
3102 psxMu32ref(0x0000) = SWAPu32(0x00000003);
3104 But overwritten by 00000003h after soon.
3105 psxMu32ref(0x0000) = SWAPu32(0x00001A3C);
3107 psxMu32ref(0x0004) = SWAPu32(0x800C5A27);
3108 psxMu32ref(0x0008) = SWAPu32(0x08000403);
3109 psxMu32ref(0x000C) = SWAPu32(0x00000000);
3112 void psxBiosShutdown() {
3115 #define psxBios_PADpoll(pad) { \
3116 PAD##pad##_startPoll(pad); \
3117 pad_buf##pad[0] = 0; \
3118 pad_buf##pad[1] = PAD##pad##_poll(0x42); \
3119 if (!(pad_buf##pad[1] & 0x0f)) { \
3122 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
3124 PAD##pad##_poll(0); \
3126 while (bufcount--) { \
3127 pad_buf##pad[i++] = PAD##pad##_poll(0); \
3131 void biosInterrupt() {
3134 // if (psxHu32(0x1070) & 0x1) { // Vsync
3135 if (pad_buf != NULL) {
3136 u32 *buf = (u32*)pad_buf;
3138 if (!Config.UseNet) {
3140 if (PAD1_poll(0x42) == 0x23) {
3142 *buf = PAD1_poll(0) << 8;
3143 *buf |= PAD1_poll(0);
3145 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
3146 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
3149 *buf = PAD1_poll(0) << 8;
3150 *buf|= PAD1_poll(0);
3154 if (PAD2_poll(0x42) == 0x23) {
3156 *buf |= PAD2_poll(0) << 24;
3157 *buf |= PAD2_poll(0) << 16;
3159 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
3160 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
3163 *buf |= PAD2_poll(0) << 24;
3164 *buf |= PAD2_poll(0) << 16;
3172 data = PAD1_poll(0) << 8;
3173 data |= PAD1_poll(0);
3175 if (NET_sendPadData(&data, 2) == -1)
3178 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
3180 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
3184 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
3187 if (NET_sendPadData(pad_buf1, i) == -1)
3190 if (NET_recvPadData(pad_buf1, 1) == -1)
3192 if (NET_recvPadData(pad_buf2, 2) == -1)
3206 if (psxHu32(0x1070) & 0x1) { // Vsync
3207 if (RcEV[3][1].status == EvStACTIVE) {
3208 softCall(RcEV[3][1].fhandler);
3209 // hwWrite32(0x1f801070, ~(1));
3213 if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
3216 for (i = 0; i < 3; i++) {
3217 if (psxHu32(0x1070) & (1 << (i + 4))) {
3218 if (RcEV[i][1].status == EvStACTIVE) {
3219 softCall(RcEV[i][1].fhandler);
3221 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
3227 void psxBiosException() {
3230 switch (psxRegs.CP0.n.Cause & 0x3c) {
3231 case 0x00: // Interrupt
3232 interrupt_r26=psxRegs.CP0.n.EPC;
3234 // PSXCPU_LOG("interrupt\n");
3238 sp = psxMu32(0x6c80); // create new stack for interrupt handlers
3242 for (i = 0; i < 8; i++) {
3244 u32 *queue = (u32 *)PSXM(SysIntRP[i]);
3251 if (jmp_int != NULL) {
3254 psxHwWrite32(0x1f801070, 0xffffffff);
3259 for (i = 0; i < 8; i++) // s0-s7
3260 psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
3267 psxHwWrite16(0x1f801070, 0);
3270 case 0x20: // Syscall
3272 PSXCPU_LOG("syscall exp %x\n", a0);
3275 case 1: // EnterCritical - disable irq's
3276 /* Fixes Medievil 2 not loading up new game, Digimon World not booting up and possibly others */
3277 v0 = (psxRegs.CP0.n.Status & 0x404) == 0x404;
3278 psxRegs.CP0.n.Status &= ~0x404;
3281 case 2: // ExitCritical - enable irq's
3282 psxRegs.CP0.n.Status |= 0x404;
3284 /* Normally this should cover SYS(00h, SYS(04h but they don't do anything relevant so... */
3288 pc0 = psxRegs.CP0.n.EPC + 4;
3290 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3291 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3296 PSXCPU_LOG("unknown bios exception!\n");
3301 pc0 = psxRegs.CP0.n.EPC;
3302 if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
3304 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3305 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3308 #define bfreeze(ptr, size) { \
3309 if (Mode == 1) memcpy(&psxR[base], ptr, size); \
3310 if (Mode == 0) memcpy(ptr, &psxR[base], size); \
3314 #define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
3315 #define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
3317 #define bfreezepsxMptr(ptr, type) { \
3319 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
3320 else psxRu32ref(base) = 0; \
3322 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
3323 else (ptr) = NULL; \
3325 base += sizeof(u32); \
3328 void psxBiosFreeze(int Mode) {
3331 bfreezepsxMptr(jmp_int, u32);
3332 bfreezepsxMptr(pad_buf, int);
3333 bfreezepsxMptr(pad_buf1, char);
3334 bfreezepsxMptr(pad_buf2, char);
3335 bfreezepsxMptr(heap_addr, u32);
3336 bfreezel(&pad_buf1len);
3337 bfreezel(&pad_buf2len);
3340 bfreezel(&CardState);
3342 bfreezel(&CurThread);
3344 bfreezel(&card_active_chan);
3345 bfreezel(&pad_stopped);
3346 bfreezel(&heap_size);