1 /***************************************************************************
2 * Copyright (C) 2019 Ryan Schultz, PCSX-df Team, PCSX team, gameblabla, *
3 * dmitrysmagin, senquack *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. *
19 ***************************************************************************/
21 /* Gameblabla 2018-2019 :
22 * Numerous changes to bios calls as well as improvements in order to conform to nocash's findings
23 * for the PSX bios calls. Thanks senquack for helping out with some of the changes
24 * and helping to spot issues and refine my patches.
28 * Internal simulated HLE BIOS.
31 // TODO: implement all system calls, count the exact CPU cycles of system calls.
40 #define SysPrintf if (Config.PsxOut) printf
42 char *biosA0n[256] = {
44 "open", "lseek", "read", "write",
45 "close", "ioctl", "exit", "sys_a0_07",
46 "getc", "putc", "todigit", "atof",
47 "strtoul", "strtol", "abs", "labs",
49 "atoi", "atol", "atob", "setjmp",
50 "longjmp", "strcat", "strncat", "strcmp",
51 "strncmp", "strcpy", "strncpy", "strlen",
52 "index", "rindex", "strchr", "strrchr",
54 "strpbrk", "strspn", "strcspn", "strtok",
55 "strstr", "toupper", "tolower", "bcopy",
56 "bzero", "bcmp", "memcpy", "memset",
57 "memmove", "memcmp", "memchr", "rand",
59 "srand", "qsort", "strtod", "malloc",
60 "free", "lsearch", "bsearch", "calloc",
61 "realloc", "InitHeap", "_exit", "getchar",
62 "putchar", "gets", "puts", "printf",
64 "sys_a0_40", "LoadTest", "Load", "Exec",
65 "FlushCache", "InstallInterruptHandler", "GPU_dw", "mem2vram",
66 "SendGPUStatus", "GPU_cw", "GPU_cwb", "SendPackets",
67 "sys_a0_4c", "GetGPUStatus", "GPU_sync", "sys_a0_4f",
69 "sys_a0_50", "LoadExec", "GetSysSp", "sys_a0_53",
70 "_96_init()", "_bu_init()", "_96_remove()", "sys_a0_57",
71 "sys_a0_58", "sys_a0_59", "sys_a0_5a", "dev_tty_init",
72 "dev_tty_open", "sys_a0_5d", "dev_tty_ioctl","dev_cd_open",
74 "dev_cd_read", "dev_cd_close", "dev_cd_firstfile", "dev_cd_nextfile",
75 "dev_cd_chdir", "dev_card_open", "dev_card_read", "dev_card_write",
76 "dev_card_close", "dev_card_firstfile", "dev_card_nextfile","dev_card_erase",
77 "dev_card_undelete","dev_card_format", "dev_card_rename", "dev_card_6f",
79 "_bu_init", "_96_init", "_96_remove", "sys_a0_73",
80 "sys_a0_74", "sys_a0_75", "sys_a0_76", "sys_a0_77",
81 "_96_CdSeekL", "sys_a0_79", "sys_a0_7a", "sys_a0_7b",
82 "_96_CdGetStatus", "sys_a0_7d", "_96_CdRead", "sys_a0_7f",
84 "sys_a0_80", "sys_a0_81", "sys_a0_82", "sys_a0_83",
85 "sys_a0_84", "_96_CdStop", "sys_a0_86", "sys_a0_87",
86 "sys_a0_88", "sys_a0_89", "sys_a0_8a", "sys_a0_8b",
87 "sys_a0_8c", "sys_a0_8d", "sys_a0_8e", "sys_a0_8f",
89 "sys_a0_90", "sys_a0_91", "sys_a0_92", "sys_a0_93",
90 "sys_a0_94", "sys_a0_95", "AddCDROMDevice", "AddMemCardDevide",
91 "DisableKernelIORedirection", "EnableKernelIORedirection", "sys_a0_9a", "sys_a0_9b",
92 "SetConf", "GetConf", "sys_a0_9e", "SetMem",
94 "_boot", "SystemError", "EnqueueCdIntr", "DequeueCdIntr",
95 "sys_a0_a4", "ReadSector", "get_cd_status", "bufs_cb_0",
96 "bufs_cb_1", "bufs_cb_2", "bufs_cb_3", "_card_info",
97 "_card_load", "_card_auto", "bufs_cd_4", "sys_a0_af",
99 "sys_a0_b0", "sys_a0_b1", "do_a_long_jmp", "sys_a0_b3",
103 char *biosB0n[256] = {
105 "SysMalloc", "sys_b0_01", "sys_b0_02", "sys_b0_03",
106 "sys_b0_04", "sys_b0_05", "sys_b0_06", "DeliverEvent",
107 "OpenEvent", "CloseEvent", "WaitEvent", "TestEvent",
108 "EnableEvent", "DisableEvent", "OpenTh", "CloseTh",
110 "ChangeTh", "sys_b0_11", "InitPAD", "StartPAD",
111 "StopPAD", "PAD_init", "PAD_dr", "ReturnFromExecption",
112 "ResetEntryInt", "HookEntryInt", "sys_b0_1a", "sys_b0_1b",
113 "sys_b0_1c", "sys_b0_1d", "sys_b0_1e", "sys_b0_1f",
115 "UnDeliverEvent", "sys_b0_21", "sys_b0_22", "sys_b0_23",
116 "sys_b0_24", "sys_b0_25", "sys_b0_26", "sys_b0_27",
117 "sys_b0_28", "sys_b0_29", "sys_b0_2a", "sys_b0_2b",
118 "sys_b0_2c", "sys_b0_2d", "sys_b0_2e", "sys_b0_2f",
120 "sys_b0_30", "sys_b0_31", "open", "lseek",
121 "read", "write", "close", "ioctl",
122 "exit", "sys_b0_39", "getc", "putc",
123 "getchar", "putchar", "gets", "puts",
125 "cd", "format", "firstfile", "nextfile",
126 "rename", "delete", "undelete", "AddDevice",
127 "RemoteDevice", "PrintInstalledDevices", "InitCARD", "StartCARD",
128 "StopCARD", "sys_b0_4d", "_card_write", "_card_read",
130 "_new_card", "Krom2RawAdd", "sys_b0_52", "sys_b0_53",
131 "_get_errno", "_get_error", "GetC0Table", "GetB0Table",
132 "_card_chan", "sys_b0_59", "sys_b0_5a", "ChangeClearPAD",
133 "_card_status", "_card_wait",
136 char *biosC0n[256] = {
138 "InitRCnt", "InitException", "SysEnqIntRP", "SysDeqIntRP",
139 "get_free_EvCB_slot", "get_free_TCB_slot", "ExceptionHandler", "InstallExeptionHandler",
140 "SysInitMemory", "SysInitKMem", "ChangeClearRCnt", "SystemError",
141 "InitDefInt", "sys_c0_0d", "sys_c0_0e", "sys_c0_0f",
143 "sys_c0_10", "sys_c0_11", "InstallDevices", "FlushStfInOutPut",
144 "sys_c0_14", "_cdevinput", "_cdevscan", "_circgetc",
145 "_circputc", "ioabort", "sys_c0_1a", "KernelRedirect",
149 //#define r0 (psxRegs.GPR.n.r0)
150 #define at (psxRegs.GPR.n.at)
151 #define v0 (psxRegs.GPR.n.v0)
152 #define v1 (psxRegs.GPR.n.v1)
153 #define a0 (psxRegs.GPR.n.a0)
154 #define a1 (psxRegs.GPR.n.a1)
155 #define a2 (psxRegs.GPR.n.a2)
156 #define a3 (psxRegs.GPR.n.a3)
157 #define t0 (psxRegs.GPR.n.t0)
158 #define t1 (psxRegs.GPR.n.t1)
159 #define t2 (psxRegs.GPR.n.t2)
160 #define t3 (psxRegs.GPR.n.t3)
161 #define t4 (psxRegs.GPR.n.t4)
162 #define t5 (psxRegs.GPR.n.t5)
163 #define t6 (psxRegs.GPR.n.t6)
164 #define t7 (psxRegs.GPR.n.t7)
165 #define t8 (psxRegs.GPR.n.t8)
166 #define t9 (psxRegs.GPR.n.t9)
167 #define s0 (psxRegs.GPR.n.s0)
168 #define s1 (psxRegs.GPR.n.s1)
169 #define s2 (psxRegs.GPR.n.s2)
170 #define s3 (psxRegs.GPR.n.s3)
171 #define s4 (psxRegs.GPR.n.s4)
172 #define s5 (psxRegs.GPR.n.s5)
173 #define s6 (psxRegs.GPR.n.s6)
174 #define s7 (psxRegs.GPR.n.s7)
175 #define k0 (psxRegs.GPR.n.k0)
176 #define k1 (psxRegs.GPR.n.k1)
177 #define gp (psxRegs.GPR.n.gp)
178 #define sp (psxRegs.GPR.n.sp)
179 #define fp (psxRegs.GPR.n.s8)
180 #define ra (psxRegs.GPR.n.ra)
181 #define pc0 (psxRegs.pc)
183 #define Ra0 ((char *)PSXM(a0))
184 #define Ra1 ((char *)PSXM(a1))
185 #define Ra2 ((char *)PSXM(a2))
186 #define Ra3 ((char *)PSXM(a3))
187 #define Rv0 ((char *)PSXM(v0))
188 #define Rsp ((char *)PSXM(sp))
197 #define EvStUNUSED 0x0000
198 #define EvStWAIT 0x1000
199 #define EvStACTIVE 0x2000
200 #define EvStALREADY 0x4000
202 #define EvMdINTR 0x1000
203 #define EvMdNOINTR 0x2000
232 u32 _sp, _fp, _gp, ret, base;
252 static u32 *jmp_int = NULL;
253 static int *pad_buf = NULL;
254 static char *pad_buf1 = NULL, *pad_buf2 = NULL;
255 static int pad_buf1len, pad_buf2len;
256 static int pad_stopped = 0;
259 static EvCB *EventCB;
260 static EvCB *HwEV; // 0xf0
261 static EvCB *EvEV; // 0xf1
262 static EvCB *RcEV; // 0xf2
263 static EvCB *UeEV; // 0xf3
264 static EvCB *SwEV; // 0xf4
265 static EvCB *ThEV; // 0xff
266 static u32 heap_size = 0;
267 static u32 *heap_addr = NULL;
268 static u32 *heap_end = NULL;
269 static u32 SysIntRP[8];
270 static int CardState = -1;
271 static TCB ThreadCB[8];
272 static int CurThread = 0;
273 static FileDesc FDesc[32];
274 static u32 card_active_chan = 0;
276 boolean hleSoftCall = FALSE;
278 static inline void softCall(u32 pc) {
284 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
289 static inline void softCall2(u32 pc) {
296 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
302 static inline void DeliverEvent(u32 ev, u32 spec) {
303 if (EventCB[ev][spec].status != EvStACTIVE) return;
305 // EventCB[ev][spec].status = EvStALREADY;
306 if (EventCB[ev][spec].mode == EvMdINTR) {
307 softCall2(EventCB[ev][spec].fhandler);
308 } else EventCB[ev][spec].status = EvStALREADY;
311 static unsigned interrupt_r26=0x8004E8B0;
313 static inline void SaveRegs() {
314 memcpy(regs, psxRegs.GPR.r, 32*4);
315 regs[32] = psxRegs.GPR.n.lo;
316 regs[33] = psxRegs.GPR.n.hi;
317 regs[34] = psxRegs.pc;
320 static inline void LoadRegs() {
321 memcpy(psxRegs.GPR.r, regs, 32*4);
322 psxRegs.GPR.n.lo = regs[32];
323 psxRegs.GPR.n.hi = regs[33];
329 // System calls A0 */
332 #define buread(Ra1, mcd, length) { \
333 SysPrintf("read %d: %x,%x (%s)\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2, Mcd##mcd##Data + 128 * FDesc[1 + mcd].mcfile + 0xa); \
334 ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
335 memcpy(Ra1, ptr, length); \
336 if (FDesc[1 + mcd].mode & 0x8000) { \
337 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
338 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
341 FDesc[1 + mcd].offset += v0; \
344 #define buwrite(Ra1, mcd, length) { \
345 u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
346 SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \
347 ptr = Mcd##mcd##Data + offset; \
348 memcpy(ptr, Ra1, length); \
349 FDesc[1 + mcd].offset += length; \
350 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, offset, length); \
351 if (FDesc[1 + mcd].mode & 0x8000) { \
352 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
353 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
359 /* Internally redirects to "FileRead(fd,tempbuf,1)".*/
360 /* For some strange reason, the returned character is sign-expanded; */
361 /* So if a return value of FFFFFFFFh could mean either character FFh, or error. */
362 /* TODO FIX ME : Properly implement this behaviour */
363 void psxBios_getc(void) // 0x03, 0x35
368 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x03]);
374 case 2: buread(pa1, 1, 1); break;
375 case 3: buread(pa1, 2, 1); break;
382 /* Copy of psxBios_write, except size is 1. */
383 void psxBios_putc(void) // 0x09, 0x3B
388 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x09]);
396 if (a0 == 1) { // stdout
397 char *ptr = (char *)pa1;
401 printf("%c", *ptr++); a2--;
407 case 2: buwrite(pa1, 1, 1); break;
408 case 3: buwrite(pa1, 2, 1); break;
414 void psxBios_todigit(void) // 0x0a
418 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x0a]);
421 if (c >= 0x30 && c < 0x3A) {
424 else if (c > 0x60 && c < 0x7B) {
427 else if (c > 0x40 && c < 0x5B) {
430 else if (c >= 0x80) {
441 void psxBios_abs() { // 0x0e
442 if ((s32)a0 < 0) v0 = -(s32)a0;
447 void psxBios_labs() { // 0x0f
451 void psxBios_atoi() { // 0x10
453 char *p = (char *)Ra0;
457 case ' ': case '\t': continue;
464 while (*p >= '0' && *p <= '9') {
465 n = n * 10 + *p++ - '0';
472 void psxBios_atol() { // 0x11
476 void psxBios_setjmp() { // 0x13
477 u32 *jmp_buf = (u32 *)Ra0;
481 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]);
487 for (i = 0; i < 8; i++) // s0-s7
488 jmp_buf[3 + i] = psxRegs.GPR.r[16 + i];
494 void psxBios_longjmp() { // 0x14
495 u32 *jmp_buf = (u32 *)Ra0;
499 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]);
502 ra = jmp_buf[0]; /* ra */
503 sp = jmp_buf[1]; /* sp */
504 fp = jmp_buf[2]; /* fp */
505 for (i = 0; i < 8; i++) // s0-s7
506 psxRegs.GPR.r[16 + i] = jmp_buf[3 + i];
507 gp = jmp_buf[11]; /* gp */
512 void psxBios_strcat() { // 0x15
513 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
516 PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1);
518 if (a0 == 0 || a1 == 0)
526 while ((*p1++ = *p2++) != '\0');
531 void psxBios_strncat() { // 0x16
532 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
536 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2);
538 if (a0 == 0 || a1 == 0)
546 while ((*p1++ = *p2++) != '\0') {
556 void psxBios_strcmp() { // 0x17
557 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
559 if (a0 == 0 && a1 == 0)
565 else if (a0 == 0 && a1 != 0)
571 else if (a0 != 0 && a1 == 0)
578 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1);
581 while (*p1 == *p2++) {
600 void psxBios_strncmp() { // 0x18
601 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
603 if (a0 == 0 && a1 == 0)
609 else if (a0 == 0 && a1 != 0)
615 else if (a0 != 0 && a1 == 0)
622 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2);
625 while (--n >= 0 && *p1 == *p2++) {
629 v1 = a2 - ((a2-n) - 1);
637 v0 = (n < 0 ? 0 : *p1 - *--p2);
639 v1 = a2 - ((a2-n) - 1);
645 void psxBios_strcpy() { // 0x19
646 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
647 if (a0 == 0 || a1 == 0)
653 while ((*p1++ = *p2++) != '\0');
658 void psxBios_strncpy() { // 0x1a
659 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
661 if (a0 == 0 || a1 == 0)
667 for (i = 0; i < n; i++) {
668 if ((*p1++ = *p2++) == '\0') {
680 void psxBios_strlen() { // 0x1b
681 char *p = (char *)Ra0;
692 void psxBios_index() { // 0x1c
693 char *p = (char *)Ra0;
703 v0 = a0 + (p - (char *)Ra0);
707 } while (*p++ != '\0');
712 void psxBios_rindex() { // 0x1d
713 char *p = (char *)Ra0;
723 v0 = a0 + (p - (char *)Ra0);
724 } while (*p++ != '\0');
729 void psxBios_strchr() { // 0x1e
733 void psxBios_strrchr() { // 0x1f
737 void psxBios_strpbrk() { // 0x20
738 char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc;
740 while ((c = *p1++) != '\0') {
741 for (scanp = p2; (sc = *scanp++) != '\0';) {
743 v0 = a0 + (p1 - 1 - (char *)Ra0);
750 // BUG: return a0 instead of NULL if not found
754 void psxBios_strspn() { // 0x21
757 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
758 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
759 if (*p2 == '\0') break;
762 v0 = p1 - (char *)Ra0; pc0 = ra;
765 void psxBios_strcspn() { // 0x22
768 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
769 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
770 if (*p2 != '\0') break;
773 v0 = p1 - (char *)Ra0; pc0 = ra;
776 void psxBios_strtok() { // 0x23
777 char *pcA0 = (char *)Ra0;
778 char *pcRet = strtok(pcA0, (char *)Ra1);
780 v0 = a0 + pcRet - pcA0;
786 void psxBios_strstr() { // 0x24
787 char *p = (char *)Ra0, *p1, *p2;
793 while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) {
798 v0 = a0 + (p - (char *)Ra0);
809 void psxBios_toupper() { // 0x25
810 v0 = (s8)(a0 & 0xff);
811 if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A';
815 void psxBios_tolower() { // 0x26
816 v0 = (s8)(a0 & 0xff);
817 if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A';
821 void psxBios_bcopy() { // 0x27
822 char *p1 = (char *)Ra1, *p2 = (char *)Ra0;
824 if (a0 == 0 || a2 > 0x7FFFFFFF)
829 while ((s32)a2-- > 0) *p1++ = *p2++;
834 void psxBios_bzero() { // 0x28
835 char *p = (char *)Ra0;
837 /* Same as memset here (See memset below) */
838 if (a1 > 0x7FFFFFFF || a1 == 0)
849 while ((s32)a1-- > 0) *p++ = '\0';
854 void psxBios_bcmp() { // 0x29
855 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
857 if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; }
859 while ((s32)a2-- > 0) {
860 if (*p1++ != *p2++) {
861 v0 = *p1 - *p2; // BUG: compare the NEXT byte
870 void psxBios_memcpy() { // 0x2a
871 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
873 if (a0 == 0 || a2 > 0x7FFFFFFF)
878 while ((s32)a2-- > 0) {
885 void psxBios_memset() { // 0x2b
886 char *p = (char *)Ra0;
888 if (a2 > 0x7FFFFFFF || a2 == 0)
899 while ((s32)a2-- > 0) *p++ = (char)a1;
904 void psxBios_memmove() { // 0x2c
905 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
907 if (a0 == 0 || a2 > 0x7FFFFFFF)
912 if (p2 <= p1 && p2 + a2 > p1) {
913 a2++; // BUG: copy one more byte here
916 while ((s32)a2-- > 0) *--p1 = *--p2;
918 while ((s32)a2-- > 0) *p1++ = *p2++;
923 void psxBios_memcmp() { // 0x2d
927 void psxBios_memchr() { // 0x2e
928 char *p = (char *)Ra0;
930 if (a0 == 0 || a2 > 0x7FFFFFFF)
936 while ((s32)a2-- > 0) {
937 if (*p++ != (s8)a1) continue;
938 v0 = a0 + (p - (char *)Ra0 - 1);
946 void psxBios_rand() { // 0x2f
947 u32 s = psxMu32(0x9010) * 1103515245 + 12345;
948 v0 = (s >> 16) & 0x7fff;
949 psxMu32ref(0x9010) = SWAPu32(s);
953 void psxBios_srand() { // 0x30
954 psxMu32ref(0x9010) = SWAPu32(a0);
958 static u32 qscmpfunc, qswidth;
960 static inline int qscmp(char *a, char *b) {
963 a0 = sa0 + (a - (char *)PSXM(sa0));
964 a1 = sa0 + (b - (char *)PSXM(sa0));
966 softCall2(qscmpfunc);
972 static inline void qexchange(char *i, char *j) {
983 static inline void q3exchange(char *i, char *j, char *k) {
995 static void qsort_main(char *a, char *l) {
996 char *i, *j, *lp, *hp;
1001 if ((n = l - a) <= qswidth)
1003 n = qswidth * (n / (2 * qswidth));
1009 if ((c = qscmp(i, lp)) == 0) {
1010 qexchange(i, lp -= qswidth);
1021 if ((c = qscmp(hp, j)) == 0) {
1022 qexchange(hp += qswidth, j);
1027 q3exchange(i, hp += qswidth, j);
1041 if (lp - a >= l - hp) {
1042 qsort_main(hp + qswidth, l);
1051 q3exchange(j, lp -= qswidth, i);
1056 void psxBios_qsort() { // 0x31
1059 qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
1064 void psxBios_malloc() { // 0x33
1065 unsigned int *chunk, *newchunk = NULL;
1066 unsigned int dsize = 0, csize, cstat;
1069 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
1071 if (!a0 || (!heap_size || !heap_addr)) {
1077 // scan through heap and combine free chunks of space
1080 while(chunk < heap_end) {
1081 // get size and status of actual chunk
1082 csize = ((u32)*chunk) & 0xfffffffc;
1083 cstat = ((u32)*chunk) & 1;
1085 // most probably broken heap descriptor
1086 // this fixes Burning Road
1089 dsize = ((uptr)heap_end - (uptr)chunk) - 4;
1094 // it's a free chunk
1099 colflag = 1; // let's begin a new collection of free memory
1101 else dsize += (csize+4); // add the new size including header
1103 // not a free chunk: did we start a collection ?
1105 if(colflag == 1) { // collection is over
1107 *newchunk = SWAP32(dsize | 1);
1112 chunk = (u32*)((uptr)chunk + csize + 4);
1114 // if neccessary free memory on end of heap
1116 *newchunk = SWAP32(dsize | 1);
1119 csize = ((u32)*chunk) & 0xfffffffc;
1120 cstat = ((u32)*chunk) & 1;
1121 dsize = (a0 + 3) & 0xfffffffc;
1123 // exit on uninitialized heap
1124 if (chunk == NULL) {
1125 printf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
1131 // search an unused chunk that is big enough until the end of the heap
1132 while ((dsize > csize || cstat==0) && chunk < heap_end ) {
1133 chunk = (u32*)((uptr)chunk + csize + 4);
1135 // catch out of memory
1136 if(chunk >= heap_end) {
1137 printf("malloc %x,%x: Out of memory error!\n",
1143 csize = ((u32)*chunk) & 0xfffffffc;
1144 cstat = ((u32)*chunk) & 1;
1148 if(dsize == csize) {
1149 // chunk has same size
1150 *chunk &= 0xfffffffc;
1151 } else if (dsize > csize) {
1156 *chunk = SWAP32(dsize);
1157 newchunk = (u32*)((uptr)chunk + dsize + 4);
1158 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
1161 // return pointer to allocated memory
1162 v0 = ((uptr)chunk - (uptr)psxM) + 4;
1164 //printf ("malloc %x,%x\n", v0, a0);
1168 void psxBios_free() { // 0x34
1171 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
1174 SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
1177 *(u32*)(Ra0-4) |= 1; // set chunk to free
1181 void psxBios_calloc() { // 0x37
1184 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
1194 void psxBios_realloc() { // 0x38
1198 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
1202 /* If "old_buf" is zero, executes malloc(new_size), and returns r2=new_buf (or 0=failed). */
1207 /* Else, if "new_size" is zero, executes free(old_buf), and returns r2=garbage. */
1212 /* Else, executes malloc(new_size), bcopy(old_buf,new_buf,new_size), and free(old_buf), and returns r2=new_buf (or 0=failed). */
1213 /* Note that it is not quite implemented this way here. */
1223 /* InitHeap(void *block , int n) */
1224 void psxBios_InitHeap() { // 0x39
1228 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
1231 if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
1236 heap_addr = (u32 *)Ra0;
1238 heap_end = (u32 *)((u8 *)heap_addr + heap_size);
1239 /* HACKFIX: Commenting out this line fixes GTA2 crash */
1240 //*heap_addr = SWAP32(size | 1);
1242 SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
1247 void psxBios_getchar() { //0x3b
1248 v0 = getchar(); pc0 = ra;
1251 void psxBios_printf() { // 0x3f
1261 memcpy(save, psp, 4 * 4);
1262 psxMu32ref(sp) = SWAP32((u32)a0);
1263 psxMu32ref(sp + 4) = SWAP32((u32)a1);
1264 psxMu32ref(sp + 8) = SWAP32((u32)a2);
1265 psxMu32ref(sp + 12) = SWAP32((u32)a3);
1277 tmp2[j++] = Ra0[i]; goto _start;
1279 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
1290 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
1294 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
1300 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
1302 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
1304 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1306 *ptmp++ = Ra0[i]; break;
1317 memcpy(psp, save, 4 * 4);
1319 SysPrintf("%s", tmp);
1324 void psxBios_format() { // 0x41
1325 if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0')
1327 CreateMcd(Config.Mcd1);
1328 LoadMcd(1, Config.Mcd1);
1331 else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0')
1333 CreateMcd(Config.Mcd2);
1334 LoadMcd(2, Config.Mcd2);
1345 * long Load(char *name, struct EXEC *header);
1348 void psxBios_Load() { // 0x42
1353 PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1357 if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) {
1358 memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC));
1366 * int Exec(struct EXEC *header , int argc , char **argv);
1369 void psxBios_Exec() { // 43
1370 EXEC *header = (EXEC*)Ra0;
1374 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1384 if (header->S_addr != 0) {
1385 tmp = header->S_addr + header->s_size;
1401 void psxBios_FlushCache() { // 44
1403 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1409 void psxBios_GPU_dw() { // 0x46
1414 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1417 GPU_writeData(0xa0000000);
1418 GPU_writeData((a1<<0x10)|(a0&0xffff));
1419 GPU_writeData((a3<<0x10)|(a2&0xffff));
1421 ptr = (u32*)PSXM(Rsp[4]); //that is correct?
1424 GPU_writeData(SWAPu32(*ptr++));
1430 void psxBios_mem2vram() { // 0x47
1433 GPU_writeData(0xa0000000);
1434 GPU_writeData((a1<<0x10)|(a0&0xffff));
1435 GPU_writeData((a3<<0x10)|(a2&0xffff));
1436 size = ((((a2 * a3) / 2) >> 4) << 16);
1437 GPU_writeStatus(0x04000002);
1438 psxHwWrite32(0x1f8010f4,0);
1439 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1440 psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1441 psxHwWrite32(0x1f8010a4, size | 0x10);
1442 psxHwWrite32(0x1f8010a8,0x01000201);
1447 void psxBios_SendGPU() { // 0x48
1448 GPU_writeStatus(a0);
1453 void psxBios_GPU_cw() { // 0x49
1460 void psxBios_GPU_cwb() { // 0x4a
1461 u32 *ptr = (u32*)Ra0;
1466 GPU_writeData(SWAPu32(*ptr++));
1472 void psxBios_GPU_SendPackets() { //4b:
1474 GPU_writeStatus(0x04000002);
1475 psxHwWrite32(0x1f8010f4,0);
1476 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1477 psxHwWrite32(0x1f8010a0,a0);
1478 psxHwWrite32(0x1f8010a4,0);
1479 psxHwWrite32(0x1f8010a8,0x010000401);
1483 void psxBios_sys_a0_4c() { // 0x4c GPU relate
1484 psxHwWrite32(0x1f8010a8,0x00000401);
1485 GPU_writeData(0x0400000);
1486 GPU_writeData(0x0200000);
1487 GPU_writeData(0x0100000);
1492 void psxBios_GPU_GetGPUStatus() { // 0x4d
1493 v0 = GPU_readStatus();
1499 void psxBios_LoadExec() { // 51
1500 EXEC *header = (EXEC*)PSXM(0xf000);
1504 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1506 s_addr = a1; s_size = a2;
1511 header->S_addr = s_addr;
1512 header->s_size = s_size;
1514 a0 = 0xf000; a1 = 0; a2 = 0;
1518 void psxBios__bu_init() { // 70
1520 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1523 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1524 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1529 void psxBios__96_init() { // 71
1531 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1537 void psxBios__96_remove() { // 72
1539 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1545 void psxBios_SetMem() { // 9f
1546 u32 new = psxHu32(0x1060);
1549 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1554 psxHu32ref(0x1060) = SWAP32(new);
1555 psxMu32ref(0x060) = a0;
1556 SysPrintf("Change effective memory : %d MBytes\n",a0);
1560 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1561 psxMu32ref(0x060) = a0;
1562 SysPrintf("Change effective memory : %d MBytes\n",a0);
1565 SysPrintf("Effective memory must be 2/8 MBytes\n");
1572 /* TODO FIXME : Not compliant. -1 indicates failure but using 1 for now. */
1573 void psxBios_get_cd_status(void) //a6
1579 void psxBios__card_info() { // ab
1581 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1584 card_active_chan = a0;
1585 port = card_active_chan >> 4;
1591 if (McdDisable[port & 1])
1596 PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan);
1602 if (McdDisable[0] && McdDisable[1])
1605 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1606 // DeliverEvent(0x81, 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 EventCB */
1697 ev = (a0 >> 24) & 0xf; \
1698 if (ev == 0xf) ev = 0x5; \
1702 /* gets spec for use with EventCB */
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 EventCB[ev][spec].status = EvStWAIT;
1741 EventCB[ev][spec].mode = a2;
1742 EventCB[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 EventCB[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 (EventCB[ev][spec].status == EvStUNUSED)
1778 if (EventCB[ev][spec].status == EvStALREADY)
1780 /* Callback events (mode=EvMdINTR) do never set the ready flag (and thus WaitEvent would hang forever). */
1781 if (!(EventCB[ev][spec].mode == EvMdINTR)) EventCB[ev][spec].status = EvStACTIVE;
1791 void psxBios_TestEvent() { // 0b
1795 spec = (a0 >> 8) & 0xff;
1797 if (EventCB[ev][spec].status == EvStALREADY)
1799 if (!(EventCB[ev][spec].mode == EvMdINTR)) EventCB[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 EventCB[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 EventCB[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 (ThreadCB[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 ThreadCB[th].status = 1;
1871 ThreadCB[th].func = a0;
1872 ThreadCB[th].reg[29] = a1;
1873 ThreadCB[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 (ThreadCB[th].status != 0) {
1891 ThreadCB[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 (ThreadCB[th].status == 0 || CurThread == th) {
1912 if (ThreadCB[CurThread].status == 2) {
1913 ThreadCB[CurThread].status = 1;
1914 ThreadCB[CurThread].func = ra;
1915 memcpy(ThreadCB[CurThread].reg, psxRegs.GPR.r, 32*4);
1918 memcpy(psxRegs.GPR.r, ThreadCB[th].reg, 32*4);
1919 pc0 = ThreadCB[th].func;
1920 ThreadCB[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 (EventCB[ev][spec].status == EvStALREADY &&
2025 EventCB[ev][spec].mode == EvMdNOINTR)
2026 EventCB[ev][spec].status = EvStACTIVE;
2031 char ffile[64], *pfile;
2034 static void buopen(int mcd, char *ptr, char *cfg)
2037 char *mcd_data = ptr;
2039 strcpy(FDesc[1 + mcd].name, Ra0+5);
2040 FDesc[1 + mcd].offset = 0;
2041 FDesc[1 + mcd].mode = a1;
2043 for (i=1; i<16; i++) {
2044 const char *fptr = mcd_data + 128 * i;
2045 if ((*fptr & 0xF0) != 0x50) continue;
2046 if (strcmp(FDesc[1 + mcd].name, fptr+0xa)) continue;
2047 FDesc[1 + mcd].mcfile = i;
2048 SysPrintf("open %s\n", fptr+0xa);
2052 if (a1 & 0x200 && v0 == -1) { /* FCREAT */
2053 for (i=1; i<16; i++) {
2054 int j, xor, nblk = a1 >> 16;
2056 char *fptr = mcd_data + 128 * i;
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 = 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 EventCB = (void *)&psxR[base]; base += size * 6;
3023 memset(EventCB, 0, size * 6);
3025 EvEV = EventCB + 32;
3026 RcEV = EventCB + 32 * 2;
3027 UeEV = EventCB + 32 * 3;
3028 SwEV = EventCB + 32 * 4;
3029 ThEV = EventCB + 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(ThreadCB, 0, sizeof(ThreadCB));
3039 ThreadCB[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);