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.
39 #define SysPrintf if (Config.PsxOut) printf
41 char *biosA0n[256] = {
43 "open", "lseek", "read", "write",
44 "close", "ioctl", "exit", "sys_a0_07",
45 "getc", "putc", "todigit", "atof",
46 "strtoul", "strtol", "abs", "labs",
48 "atoi", "atol", "atob", "setjmp",
49 "longjmp", "strcat", "strncat", "strcmp",
50 "strncmp", "strcpy", "strncpy", "strlen",
51 "index", "rindex", "strchr", "strrchr",
53 "strpbrk", "strspn", "strcspn", "strtok",
54 "strstr", "toupper", "tolower", "bcopy",
55 "bzero", "bcmp", "memcpy", "memset",
56 "memmove", "memcmp", "memchr", "rand",
58 "srand", "qsort", "strtod", "malloc",
59 "free", "lsearch", "bsearch", "calloc",
60 "realloc", "InitHeap", "_exit", "getchar",
61 "putchar", "gets", "puts", "printf",
63 "sys_a0_40", "LoadTest", "Load", "Exec",
64 "FlushCache", "InstallInterruptHandler", "GPU_dw", "mem2vram",
65 "SendGPUStatus", "GPU_cw", "GPU_cwb", "SendPackets",
66 "sys_a0_4c", "GetGPUStatus", "GPU_sync", "sys_a0_4f",
68 "sys_a0_50", "LoadExec", "GetSysSp", "sys_a0_53",
69 "_96_init()", "_bu_init()", "_96_remove()", "sys_a0_57",
70 "sys_a0_58", "sys_a0_59", "sys_a0_5a", "dev_tty_init",
71 "dev_tty_open", "sys_a0_5d", "dev_tty_ioctl","dev_cd_open",
73 "dev_cd_read", "dev_cd_close", "dev_cd_firstfile", "dev_cd_nextfile",
74 "dev_cd_chdir", "dev_card_open", "dev_card_read", "dev_card_write",
75 "dev_card_close", "dev_card_firstfile", "dev_card_nextfile","dev_card_erase",
76 "dev_card_undelete","dev_card_format", "dev_card_rename", "dev_card_6f",
78 "_bu_init", "_96_init", "_96_remove", "sys_a0_73",
79 "sys_a0_74", "sys_a0_75", "sys_a0_76", "sys_a0_77",
80 "_96_CdSeekL", "sys_a0_79", "sys_a0_7a", "sys_a0_7b",
81 "_96_CdGetStatus", "sys_a0_7d", "_96_CdRead", "sys_a0_7f",
83 "sys_a0_80", "sys_a0_81", "sys_a0_82", "sys_a0_83",
84 "sys_a0_84", "_96_CdStop", "sys_a0_86", "sys_a0_87",
85 "sys_a0_88", "sys_a0_89", "sys_a0_8a", "sys_a0_8b",
86 "sys_a0_8c", "sys_a0_8d", "sys_a0_8e", "sys_a0_8f",
88 "sys_a0_90", "sys_a0_91", "sys_a0_92", "sys_a0_93",
89 "sys_a0_94", "sys_a0_95", "AddCDROMDevice", "AddMemCardDevide",
90 "DisableKernelIORedirection", "EnableKernelIORedirection", "sys_a0_9a", "sys_a0_9b",
91 "SetConf", "GetConf", "sys_a0_9e", "SetMem",
93 "_boot", "SystemError", "EnqueueCdIntr", "DequeueCdIntr",
94 "sys_a0_a4", "ReadSector", "get_cd_status", "bufs_cb_0",
95 "bufs_cb_1", "bufs_cb_2", "bufs_cb_3", "_card_info",
96 "_card_load", "_card_auto", "bufs_cd_4", "sys_a0_af",
98 "sys_a0_b0", "sys_a0_b1", "do_a_long_jmp", "sys_a0_b3",
102 char *biosB0n[256] = {
104 "SysMalloc", "sys_b0_01", "sys_b0_02", "sys_b0_03",
105 "sys_b0_04", "sys_b0_05", "sys_b0_06", "DeliverEvent",
106 "OpenEvent", "CloseEvent", "WaitEvent", "TestEvent",
107 "EnableEvent", "DisableEvent", "OpenTh", "CloseTh",
109 "ChangeTh", "sys_b0_11", "InitPAD", "StartPAD",
110 "StopPAD", "PAD_init", "PAD_dr", "ReturnFromExecption",
111 "ResetEntryInt", "HookEntryInt", "sys_b0_1a", "sys_b0_1b",
112 "sys_b0_1c", "sys_b0_1d", "sys_b0_1e", "sys_b0_1f",
114 "UnDeliverEvent", "sys_b0_21", "sys_b0_22", "sys_b0_23",
115 "sys_b0_24", "sys_b0_25", "sys_b0_26", "sys_b0_27",
116 "sys_b0_28", "sys_b0_29", "sys_b0_2a", "sys_b0_2b",
117 "sys_b0_2c", "sys_b0_2d", "sys_b0_2e", "sys_b0_2f",
119 "sys_b0_30", "sys_b0_31", "open", "lseek",
120 "read", "write", "close", "ioctl",
121 "exit", "sys_b0_39", "getc", "putc",
122 "getchar", "putchar", "gets", "puts",
124 "cd", "format", "firstfile", "nextfile",
125 "rename", "delete", "undelete", "AddDevice",
126 "RemoteDevice", "PrintInstalledDevices", "InitCARD", "StartCARD",
127 "StopCARD", "sys_b0_4d", "_card_write", "_card_read",
129 "_new_card", "Krom2RawAdd", "sys_b0_52", "sys_b0_53",
130 "_get_errno", "_get_error", "GetC0Table", "GetB0Table",
131 "_card_chan", "sys_b0_59", "sys_b0_5a", "ChangeClearPAD",
132 "_card_status", "_card_wait",
135 char *biosC0n[256] = {
137 "InitRCnt", "InitException", "SysEnqIntRP", "SysDeqIntRP",
138 "get_free_EvCB_slot", "get_free_TCB_slot", "ExceptionHandler", "InstallExeptionHandler",
139 "SysInitMemory", "SysInitKMem", "ChangeClearRCnt", "SystemError",
140 "InitDefInt", "sys_c0_0d", "sys_c0_0e", "sys_c0_0f",
142 "sys_c0_10", "sys_c0_11", "InstallDevices", "FlushStfInOutPut",
143 "sys_c0_14", "_cdevinput", "_cdevscan", "_circgetc",
144 "_circputc", "ioabort", "sys_c0_1a", "KernelRedirect",
148 //#define r0 (psxRegs.GPR.n.r0)
149 #define at (psxRegs.GPR.n.at)
150 #define v0 (psxRegs.GPR.n.v0)
151 #define v1 (psxRegs.GPR.n.v1)
152 #define a0 (psxRegs.GPR.n.a0)
153 #define a1 (psxRegs.GPR.n.a1)
154 #define a2 (psxRegs.GPR.n.a2)
155 #define a3 (psxRegs.GPR.n.a3)
156 #define t0 (psxRegs.GPR.n.t0)
157 #define t1 (psxRegs.GPR.n.t1)
158 #define t2 (psxRegs.GPR.n.t2)
159 #define t3 (psxRegs.GPR.n.t3)
160 #define t4 (psxRegs.GPR.n.t4)
161 #define t5 (psxRegs.GPR.n.t5)
162 #define t6 (psxRegs.GPR.n.t6)
163 #define t7 (psxRegs.GPR.n.t7)
164 #define t8 (psxRegs.GPR.n.t8)
165 #define t9 (psxRegs.GPR.n.t9)
166 #define s0 (psxRegs.GPR.n.s0)
167 #define s1 (psxRegs.GPR.n.s1)
168 #define s2 (psxRegs.GPR.n.s2)
169 #define s3 (psxRegs.GPR.n.s3)
170 #define s4 (psxRegs.GPR.n.s4)
171 #define s5 (psxRegs.GPR.n.s5)
172 #define s6 (psxRegs.GPR.n.s6)
173 #define s7 (psxRegs.GPR.n.s7)
174 #define k0 (psxRegs.GPR.n.k0)
175 #define k1 (psxRegs.GPR.n.k1)
176 #define gp (psxRegs.GPR.n.gp)
177 #define sp (psxRegs.GPR.n.sp)
178 #define fp (psxRegs.GPR.n.s8)
179 #define ra (psxRegs.GPR.n.ra)
180 #define pc0 (psxRegs.pc)
182 #define Ra0 ((char *)PSXM(a0))
183 #define Ra1 ((char *)PSXM(a1))
184 #define Ra2 ((char *)PSXM(a2))
185 #define Ra3 ((char *)PSXM(a3))
186 #define Rv0 ((char *)PSXM(v0))
187 #define Rsp ((char *)PSXM(sp))
196 #define EvStUNUSED 0x0000
197 #define EvStWAIT 0x1000
198 #define EvStACTIVE 0x2000
199 #define EvStALREADY 0x4000
201 #define EvMdINTR 0x1000
202 #define EvMdNOINTR 0x2000
231 u32 _sp, _fp, _gp, ret, base;
251 static u32 *jmp_int = NULL;
252 static int *pad_buf = NULL;
253 static char *pad_buf1 = NULL, *pad_buf2 = NULL;
254 static int pad_buf1len, pad_buf2len;
255 static int pad_stopped = 0;
259 static EvCB *HwEV; // 0xf0
260 static EvCB *EvEV; // 0xf1
261 static EvCB *RcEV; // 0xf2
262 static EvCB *UeEV; // 0xf3
263 static EvCB *SwEV; // 0xf4
264 static EvCB *ThEV; // 0xff
265 static u32 heap_size = 0;
266 static u32 *heap_addr = NULL;
267 static u32 *heap_end = NULL;
268 static u32 SysIntRP[8];
269 static int CardState = -1;
270 static TCB Thread[8];
271 static int CurThread = 0;
272 static FileDesc FDesc[32];
273 static u32 card_active_chan;
275 boolean hleSoftCall = FALSE;
277 static inline void softCall(u32 pc) {
283 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
288 static inline void softCall2(u32 pc) {
295 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
301 static inline void DeliverEvent(u32 ev, u32 spec) {
302 if (Event[ev][spec].status != EvStACTIVE) return;
304 // Event[ev][spec].status = EvStALREADY;
305 if (Event[ev][spec].mode == EvMdINTR) {
306 softCall2(Event[ev][spec].fhandler);
307 } else Event[ev][spec].status = EvStALREADY;
310 static unsigned interrupt_r26=0x8004E8B0;
312 static inline void SaveRegs() {
313 memcpy(regs, psxRegs.GPR.r, 32*4);
314 regs[32] = psxRegs.GPR.n.lo;
315 regs[33] = psxRegs.GPR.n.hi;
316 regs[34] = psxRegs.pc;
319 static inline void LoadRegs() {
320 memcpy(psxRegs.GPR.r, regs, 32*4);
321 psxRegs.GPR.n.lo = regs[32];
322 psxRegs.GPR.n.hi = regs[33];
328 // System calls A0 */
331 #define buread(Ra1, mcd, length) { \
332 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); \
333 ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
334 memcpy(Ra1, ptr, length); \
335 if (FDesc[1 + mcd].mode & 0x8000) { \
336 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
337 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
340 FDesc[1 + mcd].offset += v0; \
343 #define buwrite(Ra1, mcd, length) { \
344 u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
345 SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \
346 ptr = Mcd##mcd##Data + offset; \
347 memcpy(ptr, Ra1, length); \
348 FDesc[1 + mcd].offset += length; \
349 if (FDesc[1 + mcd].mode & 0x8000) { \
350 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
351 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
357 /* Internally redirects to "FileRead(fd,tempbuf,1)".*/
358 /* For some strange reason, the returned character is sign-expanded; */
359 /* So if a return value of FFFFFFFFh could mean either character FFh, or error. */
360 /* TODO FIX ME : Properly implement this behaviour */
361 void psxBios_getc(void) // 0x03, 0x35
366 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x03]);
372 case 2: buread(pa1, 1, 1); break;
373 case 3: buread(pa1, 2, 1); break;
380 /* Copy of psxBios_write, except size is 1. */
381 void psxBios_putc(void) // 0x09, 0x3B
386 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x09]);
394 if (a0 == 1) { // stdout
395 char *ptr = (char *)pa1;
399 printf("%c", *ptr++); a2--;
405 case 2: buwrite(pa1, 1, 1); break;
406 case 3: buwrite(pa1, 2, 1); break;
412 void psxBios_todigit(void) // 0x0a
416 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x0a]);
419 if (c >= 0x30 && c < 0x3A) {
422 else if (c > 0x60 && c < 0x7B) {
425 else if (c > 0x40 && c < 0x5B) {
428 else if (c >= 0x80) {
439 void psxBios_abs() { // 0x0e
440 if ((s32)a0 < 0) v0 = -(s32)a0;
445 void psxBios_labs() { // 0x0f
449 void psxBios_atoi() { // 0x10
451 char *p = (char *)Ra0;
455 case ' ': case '\t': continue;
462 while (*p >= '0' && *p <= '9') {
463 n = n * 10 + *p++ - '0';
470 void psxBios_atol() { // 0x11
474 void psxBios_setjmp() { // 0x13
475 u32 *jmp_buf = (u32 *)Ra0;
479 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]);
485 for (i = 0; i < 8; i++) // s0-s7
486 jmp_buf[3 + i] = psxRegs.GPR.r[16 + i];
492 void psxBios_longjmp() { // 0x14
493 u32 *jmp_buf = (u32 *)Ra0;
497 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]);
500 ra = jmp_buf[0]; /* ra */
501 sp = jmp_buf[1]; /* sp */
502 fp = jmp_buf[2]; /* fp */
503 for (i = 0; i < 8; i++) // s0-s7
504 psxRegs.GPR.r[16 + i] = jmp_buf[3 + i];
505 gp = jmp_buf[11]; /* gp */
510 void psxBios_strcat() { // 0x15
511 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
514 PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1);
516 if (a0 == 0 || a1 == 0)
524 while ((*p1++ = *p2++) != '\0');
529 void psxBios_strncat() { // 0x16
530 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
534 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2);
536 if (a0 == 0 || a1 == 0)
544 while ((*p1++ = *p2++) != '\0') {
554 void psxBios_strcmp() { // 0x17
555 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
557 if (a0 == 0 && a1 == 0)
563 else if (a0 == 0 && a1 != 0)
569 else if (a0 != 0 && a1 == 0)
576 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1);
579 while (*p1 == *p2++) {
598 void psxBios_strncmp() { // 0x18
599 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
601 if (a0 == 0 && a1 == 0)
607 else if (a0 == 0 && a1 != 0)
613 else if (a0 != 0 && a1 == 0)
620 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2);
623 while (--n >= 0 && *p1 == *p2++) {
627 v1 = a2 - ((a2-n) - 1);
635 v0 = (n < 0 ? 0 : *p1 - *--p2);
637 v1 = a2 - ((a2-n) - 1);
643 void psxBios_strcpy() { // 0x19
644 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
645 if (a0 == 0 || a1 == 0)
651 while ((*p1++ = *p2++) != '\0');
656 void psxBios_strncpy() { // 0x1a
657 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
659 if (a0 == 0 || a1 == 0)
665 for (i = 0; i < n; i++) {
666 if ((*p1++ = *p2++) == '\0') {
678 void psxBios_strlen() { // 0x1b
679 char *p = (char *)Ra0;
690 void psxBios_index() { // 0x1c
691 char *p = (char *)Ra0;
701 v0 = a0 + (p - (char *)Ra0);
705 } while (*p++ != '\0');
710 void psxBios_rindex() { // 0x1d
711 char *p = (char *)Ra0;
721 v0 = a0 + (p - (char *)Ra0);
722 } while (*p++ != '\0');
727 void psxBios_strchr() { // 0x1e
731 void psxBios_strrchr() { // 0x1f
735 void psxBios_strpbrk() { // 0x20
736 char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc;
738 while ((c = *p1++) != '\0') {
739 for (scanp = p2; (sc = *scanp++) != '\0';) {
741 v0 = a0 + (p1 - 1 - (char *)Ra0);
748 // BUG: return a0 instead of NULL if not found
752 void psxBios_strspn() { // 0x21
755 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
756 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
757 if (*p2 == '\0') break;
760 v0 = p1 - (char *)Ra0; pc0 = ra;
763 void psxBios_strcspn() { // 0x22
766 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
767 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
768 if (*p2 != '\0') break;
771 v0 = p1 - (char *)Ra0; pc0 = ra;
774 void psxBios_strtok() { // 0x23
775 char *pcA0 = (char *)Ra0;
776 char *pcRet = strtok(pcA0, (char *)Ra1);
778 v0 = a0 + pcRet - pcA0;
784 void psxBios_strstr() { // 0x24
785 char *p = (char *)Ra0, *p1, *p2;
791 while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) {
796 v0 = a0 + (p - (char *)Ra0);
807 void psxBios_toupper() { // 0x25
808 v0 = (s8)(a0 & 0xff);
809 if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A';
813 void psxBios_tolower() { // 0x26
814 v0 = (s8)(a0 & 0xff);
815 if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A';
819 void psxBios_bcopy() { // 0x27
820 char *p1 = (char *)Ra1, *p2 = (char *)Ra0;
822 if (a0 == 0 || a2 > 0x7FFFFFFF)
827 while ((s32)a2-- > 0) *p1++ = *p2++;
832 void psxBios_bzero() { // 0x28
833 char *p = (char *)Ra0;
835 /* Same as memset here (See memset below) */
836 if (a1 > 0x7FFFFFFF || a1 == 0)
847 while ((s32)a1-- > 0) *p++ = '\0';
852 void psxBios_bcmp() { // 0x29
853 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
855 if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; }
857 while ((s32)a2-- > 0) {
858 if (*p1++ != *p2++) {
859 v0 = *p1 - *p2; // BUG: compare the NEXT byte
868 void psxBios_memcpy() { // 0x2a
869 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
871 if (a0 == 0 || a2 > 0x7FFFFFFF)
876 while ((s32)a2-- > 0) {
883 void psxBios_memset() { // 0x2b
884 char *p = (char *)Ra0;
886 if (a2 > 0x7FFFFFFF || a2 == 0)
897 while ((s32)a2-- > 0) *p++ = (char)a1;
902 void psxBios_memmove() { // 0x2c
903 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
905 if (a0 == 0 || a2 > 0x7FFFFFFF)
910 if (p2 <= p1 && p2 + a2 > p1) {
911 a2++; // BUG: copy one more byte here
914 while ((s32)a2-- > 0) *--p1 = *--p2;
916 while ((s32)a2-- > 0) *p1++ = *p2++;
921 void psxBios_memcmp() { // 0x2d
925 void psxBios_memchr() { // 0x2e
926 char *p = (char *)Ra0;
928 while ((s32)a2-- > 0) {
929 if (*p++ != (s8)a1) continue;
930 v0 = a0 + (p - (char *)Ra0 - 1);
938 void psxBios_rand() { // 0x2f
939 u32 s = psxMu32(0x9010) * 1103515245 + 12345;
940 v0 = (s >> 16) & 0x7fff;
941 psxMu32ref(0x9010) = SWAPu32(s);
945 void psxBios_srand() { // 0x30
946 psxMu32ref(0x9010) = SWAPu32(a0);
950 static u32 qscmpfunc, qswidth;
952 static inline int qscmp(char *a, char *b) {
955 a0 = sa0 + (a - (char *)PSXM(sa0));
956 a1 = sa0 + (b - (char *)PSXM(sa0));
958 softCall2(qscmpfunc);
964 static inline void qexchange(char *i, char *j) {
975 static inline void q3exchange(char *i, char *j, char *k) {
987 static void qsort_main(char *a, char *l) {
988 char *i, *j, *lp, *hp;
993 if ((n = l - a) <= qswidth)
995 n = qswidth * (n / (2 * qswidth));
1001 if ((c = qscmp(i, lp)) == 0) {
1002 qexchange(i, lp -= qswidth);
1013 if ((c = qscmp(hp, j)) == 0) {
1014 qexchange(hp += qswidth, j);
1019 q3exchange(i, hp += qswidth, j);
1033 if (lp - a >= l - hp) {
1034 qsort_main(hp + qswidth, l);
1043 q3exchange(j, lp -= qswidth, i);
1048 void psxBios_qsort() { // 0x31
1051 qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
1056 void psxBios_malloc() { // 0x33
1057 unsigned int *chunk, *newchunk = NULL;
1058 unsigned int dsize = 0, csize, cstat;
1061 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
1063 if (!a0 || (!heap_size || !heap_addr)) {
1069 // scan through heap and combine free chunks of space
1072 while(chunk < heap_end) {
1073 // get size and status of actual chunk
1074 csize = ((u32)*chunk) & 0xfffffffc;
1075 cstat = ((u32)*chunk) & 1;
1077 // most probably broken heap descriptor
1078 // this fixes Burning Road
1081 dsize = ((uptr)heap_end - (uptr)chunk) - 4;
1086 // it's a free chunk
1091 colflag = 1; // let's begin a new collection of free memory
1093 else dsize += (csize+4); // add the new size including header
1095 // not a free chunk: did we start a collection ?
1097 if(colflag == 1) { // collection is over
1099 *newchunk = SWAP32(dsize | 1);
1104 chunk = (u32*)((uptr)chunk + csize + 4);
1106 // if neccessary free memory on end of heap
1108 *newchunk = SWAP32(dsize | 1);
1111 csize = ((u32)*chunk) & 0xfffffffc;
1112 cstat = ((u32)*chunk) & 1;
1113 dsize = (a0 + 3) & 0xfffffffc;
1115 // exit on uninitialized heap
1116 if (chunk == NULL) {
1117 printf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
1123 // search an unused chunk that is big enough until the end of the heap
1124 while ((dsize > csize || cstat==0) && chunk < heap_end ) {
1125 chunk = (u32*)((uptr)chunk + csize + 4);
1127 // catch out of memory
1128 if(chunk >= heap_end) {
1129 printf("malloc %x,%x: Out of memory error!\n",
1135 csize = ((u32)*chunk) & 0xfffffffc;
1136 cstat = ((u32)*chunk) & 1;
1140 if(dsize == csize) {
1141 // chunk has same size
1142 *chunk &= 0xfffffffc;
1143 } else if (dsize > csize) {
1148 *chunk = SWAP32(dsize);
1149 newchunk = (u32*)((uptr)chunk + dsize + 4);
1150 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
1153 // return pointer to allocated memory
1154 v0 = ((uptr)chunk - (uptr)psxM) + 4;
1156 //printf ("malloc %x,%x\n", v0, a0);
1160 void psxBios_free() { // 0x34
1163 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
1166 SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
1169 *(u32*)(Ra0-4) |= 1; // set chunk to free
1173 void psxBios_calloc() { // 0x37
1176 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
1186 void psxBios_realloc() { // 0x38
1190 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
1194 /* If "old_buf" is zero, executes malloc(new_size), and returns r2=new_buf (or 0=failed). */
1199 /* Else, if "new_size" is zero, executes free(old_buf), and returns r2=garbage. */
1204 /* Else, executes malloc(new_size), bcopy(old_buf,new_buf,new_size), and free(old_buf), and returns r2=new_buf (or 0=failed). */
1205 /* Note that it is not quite implemented this way here. */
1215 /* InitHeap(void *block , int n) */
1216 void psxBios_InitHeap() { // 0x39
1220 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
1223 if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
1228 heap_addr = (u32 *)Ra0;
1230 heap_end = (u32 *)((u8 *)heap_addr + heap_size);
1231 /* HACKFIX: Commenting out this line fixes GTA2 crash */
1232 //*heap_addr = SWAP32(size | 1);
1234 SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
1239 void psxBios_getchar() { //0x3b
1240 v0 = getchar(); pc0 = ra;
1243 void psxBios_printf() { // 0x3f
1253 memcpy(save, psp, 4 * 4);
1254 psxMu32ref(sp) = SWAP32((u32)a0);
1255 psxMu32ref(sp + 4) = SWAP32((u32)a1);
1256 psxMu32ref(sp + 8) = SWAP32((u32)a2);
1257 psxMu32ref(sp + 12) = SWAP32((u32)a3);
1269 tmp2[j++] = Ra0[i]; goto _start;
1271 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
1282 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
1286 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
1292 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
1294 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
1296 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1298 *ptmp++ = Ra0[i]; break;
1309 memcpy(psp, save, 4 * 4);
1311 SysPrintf("%s", tmp);
1316 void psxBios_format() { // 0x41
1317 if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0')
1319 CreateMcd(Config.Mcd1);
1320 LoadMcd(1, Config.Mcd1);
1323 else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0')
1325 CreateMcd(Config.Mcd2);
1326 LoadMcd(2, Config.Mcd2);
1337 * long Load(char *name, struct EXEC *header);
1340 void psxBios_Load() { // 0x42
1345 PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1349 if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) {
1350 memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC));
1358 * int Exec(struct EXEC *header , int argc , char **argv);
1361 void psxBios_Exec() { // 43
1362 EXEC *header = (EXEC*)Ra0;
1366 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1376 if (header->S_addr != 0) {
1377 tmp = header->S_addr + header->s_size;
1393 void psxBios_FlushCache() { // 44
1395 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1401 void psxBios_GPU_dw() { // 0x46
1406 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1409 GPU_writeData(0xa0000000);
1410 GPU_writeData((a1<<16)|(a0&0xffff));
1411 GPU_writeData((a3<<16)|(a2&0xffff));
1413 ptr = (s32*)PSXM(Rsp[4]); //that is correct?
1415 GPU_writeData(SWAP32(*ptr));
1422 void psxBios_mem2vram() { // 0x47
1425 GPU_writeData(0xa0000000);
1426 GPU_writeData((a1<<16)|(a0&0xffff));
1427 GPU_writeData((a3<<16)|(a2&0xffff));
1429 GPU_writeStatus(0x04000002);
1430 psxHwWrite32(0x1f8010f4,0);
1431 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1432 psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1433 psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1434 psxHwWrite32(0x1f8010a8,0x01000201);
1439 void psxBios_SendGPU() { // 0x48
1440 GPU_writeStatus(a0);
1445 void psxBios_GPU_cw() { // 0x49
1450 void psxBios_GPU_cwb() { // 0x4a
1451 s32 *ptr = (s32*)Ra0;
1454 GPU_writeData(SWAP32(*ptr));
1461 void psxBios_GPU_SendPackets() { //4b:
1462 GPU_writeStatus(0x04000002);
1463 psxHwWrite32(0x1f8010f4,0);
1464 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1465 psxHwWrite32(0x1f8010a0,a0);
1466 psxHwWrite32(0x1f8010a4,0);
1467 psxHwWrite32(0x1f8010a8,0x010000401);
1471 void psxBios_sys_a0_4c() { // 0x4c GPU relate
1472 psxHwWrite32(0x1f8010a8,0x00000401);
1473 GPU_writeData(0x0400000);
1474 GPU_writeData(0x0200000);
1475 GPU_writeData(0x0100000);
1480 void psxBios_GPU_GetGPUStatus() { // 0x4d
1481 v0 = GPU_readStatus();
1487 void psxBios_LoadExec() { // 51
1488 EXEC *header = (EXEC*)PSXM(0xf000);
1492 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1494 s_addr = a1; s_size = a2;
1499 header->S_addr = s_addr;
1500 header->s_size = s_size;
1502 a0 = 0xf000; a1 = 0; a2 = 0;
1506 void psxBios__bu_init() { // 70
1508 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1511 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1512 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1517 void psxBios__96_init() { // 71
1519 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1525 void psxBios__96_remove() { // 72
1527 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1533 void psxBios_SetMem() { // 9f
1534 u32 new = psxHu32(0x1060);
1537 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1542 psxHu32ref(0x1060) = SWAP32(new);
1543 psxMu32ref(0x060) = a0;
1544 SysPrintf("Change effective memory : %d MBytes\n",a0);
1548 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1549 psxMu32ref(0x060) = a0;
1550 SysPrintf("Change effective memory : %d MBytes\n",a0);
1553 SysPrintf("Effective memory must be 2/8 MBytes\n");
1560 void psxBios__card_info() { // ab
1562 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1565 card_active_chan = a0;
1567 switch (card_active_chan)
1569 case 0x00: case 0x01: case 0x02: case 0x03:
1570 ret = Config.Mcd1[0] ? 0x2 : 0x8;
1572 case 0x10: case 0x11: case 0x12: case 0x13:
1573 ret = Config.Mcd2[0] ? 0x2 : 0x8;
1577 PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan);
1583 // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1584 // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1585 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1586 DeliverEvent(0x81, ret); // 0xf4000001, 0x0004
1591 void psxBios__card_load() { // ac
1593 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1596 card_active_chan = a0;
1598 // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1599 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1604 /* System calls B0 */
1606 void psxBios_SetRCnt() { // 02
1608 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1615 psxRcntWtarget(a0, a1);
1616 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1617 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1618 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1619 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1620 else { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1622 psxRcntWmode(a0, mode);
1627 void psxBios_GetRCnt() { // 03
1629 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1633 if (a0 != 3) v0 = psxRcntRcount(a0);
1638 void psxBios_StartRCnt() { // 04
1640 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1644 if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1645 else psxHu32ref(0x1074)|= SWAPu32(0x1);
1649 void psxBios_StopRCnt() { // 05
1651 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1655 if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1656 else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1660 void psxBios_ResetRCnt() { // 06
1662 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1667 psxRcntWmode(a0, 0);
1668 psxRcntWtarget(a0, 0);
1669 psxRcntWcount(a0, 0);
1675 /* gets ev for use with Event */
1677 ev = (a0 >> 24) & 0xf; \
1678 if (ev == 0xf) ev = 0x5; \
1682 /* gets spec for use with Event */
1686 case 0x0301: spec = 16; break; \
1687 case 0x0302: spec = 17; break; \
1689 for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1693 void psxBios_DeliverEvent() { // 07
1701 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1704 DeliverEvent(ev, spec);
1709 void psxBios_OpenEvent() { // 08
1717 PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1720 Event[ev][spec].status = EvStWAIT;
1721 Event[ev][spec].mode = a2;
1722 Event[ev][spec].fhandler = a3;
1724 v0 = ev | (spec << 8);
1728 void psxBios_CloseEvent() { // 09
1732 spec = (a0 >> 8) & 0xff;
1735 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1738 Event[ev][spec].status = EvStUNUSED;
1743 void psxBios_WaitEvent() { // 0a
1747 spec = (a0 >> 8) & 0xff;
1749 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1751 if (Event[ev][spec].status == EvStUNUSED)
1758 if (Event[ev][spec].status == EvStALREADY)
1760 /* Callback events (mode=EvMdINTR) do never set the ready flag (and thus WaitEvent would hang forever). */
1761 if (!(Event[ev][spec].mode == EvMdINTR)) Event[ev][spec].status = EvStACTIVE;
1771 void psxBios_TestEvent() { // 0b
1775 spec = (a0 >> 8) & 0xff;
1777 if (Event[ev][spec].status == EvStALREADY)
1779 if (!(Event[ev][spec].mode == EvMdINTR)) Event[ev][spec].status = EvStACTIVE;
1788 PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1794 void psxBios_EnableEvent() { // 0c
1798 spec = (a0 >> 8) & 0xff;
1801 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1804 Event[ev][spec].status = EvStACTIVE;
1809 void psxBios_DisableEvent() { // 0d
1813 spec = (a0 >> 8) & 0xff;
1816 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1819 Event[ev][spec].status = EvStWAIT;
1825 * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1828 void psxBios_OpenTh() { // 0e
1831 for (th=1; th<8; th++)
1833 if (Thread[th].status == 0) break;
1837 // Feb 2019 - Added out-of-bounds fix caught by cppcheck:
1838 // When no free TCB is found, return 0xffffffff according to Nocash doc.
1840 PSXBIOS_LOG("\t%s() WARNING! No Free TCBs found!\n", __func__);
1847 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1850 Thread[th].status = 1;
1851 Thread[th].func = a0;
1852 Thread[th].reg[29] = a1;
1853 Thread[th].reg[28] = a2;
1859 * int CloseTh(long thread);
1862 void psxBios_CloseTh() { // 0f
1866 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1869 if (Thread[th].status == 0) {
1872 Thread[th].status = 0;
1880 * int ChangeTh(long thread);
1883 void psxBios_ChangeTh() { // 10
1887 // PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1890 if (Thread[th].status == 0 || CurThread == th) {
1897 if (Thread[CurThread].status == 2) {
1898 Thread[CurThread].status = 1;
1899 Thread[CurThread].func = ra;
1900 memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1903 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1904 pc0 = Thread[th].func;
1905 Thread[th].status = 2;
1910 void psxBios_InitPAD() { // 0x12
1912 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1915 pad_buf1 = (char*)Ra0;
1917 pad_buf2 = (char*)Ra2;
1923 void psxBios_StartPAD() { // 13
1925 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1928 psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1929 psxRegs.CP0.n.Status |= 0x401;
1933 void psxBios_StopPAD() { // 14
1935 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1943 void psxBios_PAD_init() { // 15
1945 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1947 if (!(a0 == 0x20000000 || a0 == 0x20000001))
1953 psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1954 pad_buf = (int *)Ra1;
1956 psxRegs.CP0.n.Status |= 0x401;
1961 void psxBios_PAD_dr() { // 16
1963 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1969 void psxBios_ReturnFromException() { // 17
1972 pc0 = psxRegs.CP0.n.EPC;
1974 if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1976 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1977 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1980 void psxBios_ResetEntryInt() { // 18
1982 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1989 void psxBios_HookEntryInt() { // 19
1991 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
1994 jmp_int = (u32*)Ra0;
1998 void psxBios_UnDeliverEvent() { // 0x20
2006 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
2009 if (Event[ev][spec].status == EvStALREADY &&
2010 Event[ev][spec].mode == EvMdNOINTR)
2011 Event[ev][spec].status = EvStACTIVE;
2016 char ffile[64], *pfile;
2018 static void buopen(int mcd, u8 *ptr, u8 *cfg)
2023 strcpy(FDesc[1 + mcd].name, Ra0+5);
2024 FDesc[1 + mcd].offset = 0;
2025 FDesc[1 + mcd].mode = a1;
2027 for (i=1; i<16; i++) {
2029 if ((*fptr & 0xF0) != 0x50) continue;
2030 if (strcmp(FDesc[1 + mcd].name, fptr+0xa)) continue;
2031 FDesc[1 + mcd].mcfile = i;
2032 SysPrintf("open %s\n", fptr+0xa);
2036 if (a1 & 0x200 && v0 == -1) { /* FCREAT */
2038 for (i=1; i<16; i++) {
2039 int j, xor, nblk = a1 >> 16;
2043 if ((*fptr & 0xF0) != 0xa0) continue;
2045 FDesc[1 + mcd].mcfile = i;
2048 fptr[5] = 0x20 * nblk;
2051 strcpy(fptr+0xa, FDesc[1 + mcd].name);
2052 pptr = fptr2 = fptr;
2053 for(j=2; j<=nblk; j++) {
2055 for(i++; i<16; i++) {
2058 memset(fptr2, 0, 128);
2059 fptr2[0] = j < nblk ? 0x52 : 0x53;
2062 for (k=0, xor=0; k<127; k++) xor^= pptr[k];
2067 /* shouldn't this return ENOSPC if i == 16? */
2069 pptr[8] = pptr[9] = 0xff;
2070 for (j=0, xor=0; j<127; j++) xor^= pptr[j];
2072 SysPrintf("openC %s %d\n", ptr, nblk);
2074 /* just go ahead and resave them all */
2075 SaveMcd(cfg, ptr, 128, 128 * 15);
2078 /* shouldn't this return ENOSPC if i == 16? */
2083 * int open(char *name , int mode);
2086 void psxBios_open() { // 0x32
2092 PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
2098 if (!strncmp(pa0, "bu00", 4)) {
2099 buopen(1, Mcd1Data, Config.Mcd1);
2102 if (!strncmp(pa0, "bu10", 4)) {
2103 buopen(2, Mcd2Data, Config.Mcd2);
2111 * int lseek(int fd , int offset , int whence);
2114 void psxBios_lseek() { // 0x33
2116 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
2121 FDesc[a0].offset = a1;
2123 // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2124 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2128 FDesc[a0].offset+= a1;
2129 v0 = FDesc[a0].offset;
2138 * int read(int fd , void *buf , int nbytes);
2141 void psxBios_read() { // 0x34
2146 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
2153 case 2: buread(pa1, 1, a2); break;
2154 case 3: buread(pa1, 2, a2); break;
2162 * int write(int fd , void *buf , int nbytes);
2165 void psxBios_write() { // 0x35/0x03
2170 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
2179 if (a0 == 1) { // stdout
2184 SysPrintf("%c", *ptr++); a2--;
2190 case 2: buwrite(pa1, 1, a2); break;
2191 case 3: buwrite(pa1, 2, a2); break;
2198 * int close(int fd);
2201 void psxBios_close() { // 0x36
2203 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
2210 void psxBios_putchar() { // 3d
2211 SysPrintf("%c", (char)a0);
2215 void psxBios_puts() { // 3e/3f
2216 SysPrintf("%s", Ra0);
2221 /* To avoid any issues with different behaviour when using the libc's own strlen instead.
2222 * We want to mimic the PSX's behaviour in this case for bufile. */
2223 static size_t strlen_internal(char* p)
2225 size_t size_of_array = 0;
2226 while (*p++) size_of_array++;
2227 return size_of_array;
2230 #define bufile(mcd) { \
2231 size_t size_of_name = strlen_internal(dir->name); \
2232 while (nfile < 16) { \
2235 ptr = Mcd##mcd##Data + 128 * (nfile + 1); \
2237 if ((*ptr & 0xF0) != 0x50) continue; \
2238 /* Bug link files show up as free block. */ \
2239 if (!ptr[0xa]) continue; \
2241 if (pfile[0] == 0) { \
2242 strncpy(dir->name, ptr, sizeof(dir->name) - 1); \
2243 if (size_of_name < sizeof(dir->name)) dir->name[size_of_name] = '\0'; \
2244 } else for (i=0; i<20; i++) { \
2245 if (pfile[i] == ptr[i]) { \
2246 dir->name[i] = ptr[i]; continue; } \
2247 if (pfile[i] == '?') { \
2248 dir->name[i] = ptr[i]; continue; } \
2249 if (pfile[i] == '*') { \
2250 strcpy(dir->name+i, ptr+i); break; } \
2253 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
2254 if (match == 0) { continue; } \
2262 * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
2265 void psxBios_firstfile() { // 42
2266 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
2273 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
2282 if (!strncmp(pa0, "bu00", 4)) {
2283 // firstfile() calls _card_read() internally, so deliver it's event
2284 DeliverEvent(0x11, 0x2);
2286 } else if (!strncmp(pa0, "bu10", 4)) {
2287 // firstfile() calls _card_read() internally, so deliver it's event
2288 DeliverEvent(0x11, 0x2);
2297 * struct DIRENTRY* nextfile(struct DIRENTRY *dir);
2300 void psxBios_nextfile() { // 43
2301 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
2307 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
2312 if (!strncmp(ffile, "bu00", 4)) {
2316 if (!strncmp(ffile, "bu10", 4)) {
2323 #define burename(mcd) { \
2324 for (i=1; i<16; i++) { \
2325 int namelen, j, xor = 0; \
2326 ptr = Mcd##mcd##Data + 128 * i; \
2327 if ((*ptr & 0xF0) != 0x50) continue; \
2328 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2329 namelen = strlen(Ra1+5); \
2330 memcpy(ptr+0xa, Ra1+5, namelen); \
2331 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
2332 for (j=0; j<127; j++) xor^= ptr[j]; \
2334 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
2341 * int rename(char *old, char *new);
2344 void psxBios_rename() { // 44
2351 PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
2357 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
2361 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
2370 #define budelete(mcd) { \
2371 for (i=1; i<16; i++) { \
2372 ptr = Mcd##mcd##Data + 128 * i; \
2373 if ((*ptr & 0xF0) != 0x50) continue; \
2374 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2375 *ptr = (*ptr & 0xf) | 0xA0; \
2376 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
2377 SysPrintf("delete %s\n", ptr+0xa); \
2384 * int delete(char *name);
2387 void psxBios_delete() { // 45
2393 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2399 if (!strncmp(pa0, "bu00", 4)) {
2403 if (!strncmp(pa0, "bu10", 4)) {
2411 void psxBios_InitCARD() { // 4a
2413 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2421 void psxBios_StartCARD() { // 4b
2423 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2426 if (CardState == 0) CardState = 1;
2431 void psxBios_StopCARD() { // 4c
2433 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2436 if (CardState == 1) CardState = 0;
2441 void psxBios__card_write() { // 0x4e
2446 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2448 /* Function also accepts sector 400h (a bug) */
2451 /* Invalid sectors */
2455 card_active_chan = a0;
2460 memcpy(Mcd1Data + a1 * 128, pa2, 128);
2461 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2463 memcpy(Mcd2Data + a1 * 128, pa2, 128);
2464 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2468 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2469 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2474 void psxBios__card_read() { // 0x4f
2479 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2481 /* Function also accepts sector 400h (a bug) */
2484 /* Invalid sectors */
2488 card_active_chan = a0;
2493 memcpy(pa2, Mcd1Data + a1 * 128, 128);
2495 memcpy(pa2, Mcd2Data + a1 * 128, 128);
2499 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2500 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2505 void psxBios__new_card() { // 0x50
2507 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2513 /* According to a user, this allows Final Fantasy Tactics to save/load properly */
2514 void psxBios__get_error(void) // 55
2520 void psxBios_Krom2RawAdd() { // 0x51
2523 const u32 table_8140[][2] = {
2524 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2525 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2526 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2527 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2528 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2529 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2530 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2531 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2532 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2536 const u32 table_889f[][2] = {
2537 {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4},
2538 {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304},
2539 {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14},
2540 {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24},
2541 {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734},
2542 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2543 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2544 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2548 if (a0 >= 0x8140 && a0 <= 0x84be) {
2549 while (table_8140[i][0] <= a0) i++;
2550 a0 -= table_8140[i - 1][0];
2551 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2552 } else if (a0 >= 0x889f && a0 <= 0x9872) {
2553 while (table_889f[i][0] <= a0) i++;
2554 a0 -= table_889f[i - 1][0];
2555 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2563 void psxBios_GetC0Table() { // 56
2565 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2568 v0 = 0x674; pc0 = ra;
2571 void psxBios_GetB0Table() { // 57
2573 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2576 v0 = 0x874; pc0 = ra;
2579 void psxBios__card_chan() { // 0x58
2581 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2584 v0 = card_active_chan;
2588 void psxBios_ChangeClearPad() { // 5b
2590 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2596 void psxBios__card_status() { // 5c
2598 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5c], a0);
2601 v0 = card_active_chan;
2605 void psxBios__card_wait() { // 5d
2607 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5d], a0);
2614 /* System calls C0 */
2617 * int SysEnqIntRP(int index , long *queue);
2620 void psxBios_SysEnqIntRP() { // 02
2622 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2631 * int SysDeqIntRP(int index , long *queue);
2634 void psxBios_SysDeqIntRP() { // 03
2636 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2644 void psxBios_ChangeClearRCnt() { // 0a
2648 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2651 ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2655 // psxRegs.CP0.n.Status|= 0x404;
2659 void psxBios_dummy() {
2661 PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2666 void (*biosA0[256])();
2667 void (*biosB0[256])();
2668 void (*biosC0[256])();
2670 #include "sjisfont.h"
2672 void psxBiosInit() {
2678 for(i = 0; i < 256; i++) {
2683 biosA0[0x3e] = psxBios_puts;
2684 biosA0[0x3f] = psxBios_printf;
2686 biosB0[0x3d] = psxBios_putchar;
2687 biosB0[0x3f] = psxBios_puts;
2689 if (!Config.HLE) return;
2691 for(i = 0; i < 256; i++) {
2692 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2693 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2694 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2697 biosA0[0x00] = psxBios_open;
2698 biosA0[0x01] = psxBios_lseek;
2699 biosA0[0x02] = psxBios_read;
2700 biosA0[0x03] = psxBios_write;
2701 biosA0[0x04] = psxBios_close;
2702 //biosA0[0x05] = psxBios_ioctl;
2703 //biosA0[0x06] = psxBios_exit;
2704 //biosA0[0x07] = psxBios_sys_a0_07;
2705 biosA0[0x08] = psxBios_getc;
2706 biosA0[0x09] = psxBios_putc;
2707 biosA0[0x0a] = psxBios_todigit;
2708 //biosA0[0x0b] = psxBios_atof;
2709 //biosA0[0x0c] = psxBios_strtoul;
2710 //biosA0[0x0d] = psxBios_strtol;
2711 biosA0[0x0e] = psxBios_abs;
2712 biosA0[0x0f] = psxBios_labs;
2713 biosA0[0x10] = psxBios_atoi;
2714 biosA0[0x11] = psxBios_atol;
2715 //biosA0[0x12] = psxBios_atob;
2716 biosA0[0x13] = psxBios_setjmp;
2717 biosA0[0x14] = psxBios_longjmp;
2718 biosA0[0x15] = psxBios_strcat;
2719 biosA0[0x16] = psxBios_strncat;
2720 biosA0[0x17] = psxBios_strcmp;
2721 biosA0[0x18] = psxBios_strncmp;
2722 biosA0[0x19] = psxBios_strcpy;
2723 biosA0[0x1a] = psxBios_strncpy;
2724 biosA0[0x1b] = psxBios_strlen;
2725 biosA0[0x1c] = psxBios_index;
2726 biosA0[0x1d] = psxBios_rindex;
2727 biosA0[0x1e] = psxBios_strchr;
2728 biosA0[0x1f] = psxBios_strrchr;
2729 biosA0[0x20] = psxBios_strpbrk;
2730 biosA0[0x21] = psxBios_strspn;
2731 biosA0[0x22] = psxBios_strcspn;
2732 biosA0[0x23] = psxBios_strtok;
2733 biosA0[0x24] = psxBios_strstr;
2734 biosA0[0x25] = psxBios_toupper;
2735 biosA0[0x26] = psxBios_tolower;
2736 biosA0[0x27] = psxBios_bcopy;
2737 biosA0[0x28] = psxBios_bzero;
2738 biosA0[0x29] = psxBios_bcmp;
2739 biosA0[0x2a] = psxBios_memcpy;
2740 biosA0[0x2b] = psxBios_memset;
2741 biosA0[0x2c] = psxBios_memmove;
2742 biosA0[0x2d] = psxBios_memcmp;
2743 biosA0[0x2e] = psxBios_memchr;
2744 biosA0[0x2f] = psxBios_rand;
2745 biosA0[0x30] = psxBios_srand;
2746 biosA0[0x31] = psxBios_qsort;
2747 //biosA0[0x32] = psxBios_strtod;
2748 biosA0[0x33] = psxBios_malloc;
2749 biosA0[0x34] = psxBios_free;
2750 //biosA0[0x35] = psxBios_lsearch;
2751 //biosA0[0x36] = psxBios_bsearch;
2752 biosA0[0x37] = psxBios_calloc;
2753 biosA0[0x38] = psxBios_realloc;
2754 biosA0[0x39] = psxBios_InitHeap;
2755 //biosA0[0x3a] = psxBios__exit;
2756 biosA0[0x3b] = psxBios_getchar;
2757 biosA0[0x3c] = psxBios_putchar;
2758 //biosA0[0x3d] = psxBios_gets;
2759 //biosA0[0x40] = psxBios_sys_a0_40;
2760 //biosA0[0x41] = psxBios_LoadTest;
2761 biosA0[0x42] = psxBios_Load;
2762 biosA0[0x43] = psxBios_Exec;
2763 biosA0[0x44] = psxBios_FlushCache;
2764 //biosA0[0x45] = psxBios_InstallInterruptHandler;
2765 biosA0[0x46] = psxBios_GPU_dw;
2766 biosA0[0x47] = psxBios_mem2vram;
2767 biosA0[0x48] = psxBios_SendGPU;
2768 biosA0[0x49] = psxBios_GPU_cw;
2769 biosA0[0x4a] = psxBios_GPU_cwb;
2770 biosA0[0x4b] = psxBios_GPU_SendPackets;
2771 biosA0[0x4c] = psxBios_sys_a0_4c;
2772 biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2773 //biosA0[0x4e] = psxBios_GPU_sync;
2774 //biosA0[0x4f] = psxBios_sys_a0_4f;
2775 //biosA0[0x50] = psxBios_sys_a0_50;
2776 biosA0[0x51] = psxBios_LoadExec;
2777 //biosA0[0x52] = psxBios_GetSysSp;
2778 //biosA0[0x53] = psxBios_sys_a0_53;
2779 //biosA0[0x54] = psxBios__96_init_a54;
2780 //biosA0[0x55] = psxBios__bu_init_a55;
2781 //biosA0[0x56] = psxBios__96_remove_a56;
2782 //biosA0[0x57] = psxBios_sys_a0_57;
2783 //biosA0[0x58] = psxBios_sys_a0_58;
2784 //biosA0[0x59] = psxBios_sys_a0_59;
2785 //biosA0[0x5a] = psxBios_sys_a0_5a;
2786 //biosA0[0x5b] = psxBios_dev_tty_init;
2787 //biosA0[0x5c] = psxBios_dev_tty_open;
2788 //biosA0[0x5d] = psxBios_sys_a0_5d;
2789 //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2790 //biosA0[0x5f] = psxBios_dev_cd_open;
2791 //biosA0[0x60] = psxBios_dev_cd_read;
2792 //biosA0[0x61] = psxBios_dev_cd_close;
2793 //biosA0[0x62] = psxBios_dev_cd_firstfile;
2794 //biosA0[0x63] = psxBios_dev_cd_nextfile;
2795 //biosA0[0x64] = psxBios_dev_cd_chdir;
2796 //biosA0[0x65] = psxBios_dev_card_open;
2797 //biosA0[0x66] = psxBios_dev_card_read;
2798 //biosA0[0x67] = psxBios_dev_card_write;
2799 //biosA0[0x68] = psxBios_dev_card_close;
2800 //biosA0[0x69] = psxBios_dev_card_firstfile;
2801 //biosA0[0x6a] = psxBios_dev_card_nextfile;
2802 //biosA0[0x6b] = psxBios_dev_card_erase;
2803 //biosA0[0x6c] = psxBios_dev_card_undelete;
2804 //biosA0[0x6d] = psxBios_dev_card_format;
2805 //biosA0[0x6e] = psxBios_dev_card_rename;
2806 //biosA0[0x6f] = psxBios_dev_card_6f;
2807 biosA0[0x70] = psxBios__bu_init;
2808 biosA0[0x71] = psxBios__96_init;
2809 biosA0[0x72] = psxBios__96_remove;
2810 //biosA0[0x73] = psxBios_sys_a0_73;
2811 //biosA0[0x74] = psxBios_sys_a0_74;
2812 //biosA0[0x75] = psxBios_sys_a0_75;
2813 //biosA0[0x76] = psxBios_sys_a0_76;
2814 //biosA0[0x77] = psxBios_sys_a0_77;
2815 //biosA0[0x78] = psxBios__96_CdSeekL;
2816 //biosA0[0x79] = psxBios_sys_a0_79;
2817 //biosA0[0x7a] = psxBios_sys_a0_7a;
2818 //biosA0[0x7b] = psxBios_sys_a0_7b;
2819 //biosA0[0x7c] = psxBios__96_CdGetStatus;
2820 //biosA0[0x7d] = psxBios_sys_a0_7d;
2821 //biosA0[0x7e] = psxBios__96_CdRead;
2822 //biosA0[0x7f] = psxBios_sys_a0_7f;
2823 //biosA0[0x80] = psxBios_sys_a0_80;
2824 //biosA0[0x81] = psxBios_sys_a0_81;
2825 //biosA0[0x82] = psxBios_sys_a0_82;
2826 //biosA0[0x83] = psxBios_sys_a0_83;
2827 //biosA0[0x84] = psxBios_sys_a0_84;
2828 //biosA0[0x85] = psxBios__96_CdStop;
2829 //biosA0[0x86] = psxBios_sys_a0_86;
2830 //biosA0[0x87] = psxBios_sys_a0_87;
2831 //biosA0[0x88] = psxBios_sys_a0_88;
2832 //biosA0[0x89] = psxBios_sys_a0_89;
2833 //biosA0[0x8a] = psxBios_sys_a0_8a;
2834 //biosA0[0x8b] = psxBios_sys_a0_8b;
2835 //biosA0[0x8c] = psxBios_sys_a0_8c;
2836 //biosA0[0x8d] = psxBios_sys_a0_8d;
2837 //biosA0[0x8e] = psxBios_sys_a0_8e;
2838 //biosA0[0x8f] = psxBios_sys_a0_8f;
2839 //biosA0[0x90] = psxBios_sys_a0_90;
2840 //biosA0[0x91] = psxBios_sys_a0_91;
2841 //biosA0[0x92] = psxBios_sys_a0_92;
2842 //biosA0[0x93] = psxBios_sys_a0_93;
2843 //biosA0[0x94] = psxBios_sys_a0_94;
2844 //biosA0[0x95] = psxBios_sys_a0_95;
2845 //biosA0[0x96] = psxBios_AddCDROMDevice;
2846 //biosA0[0x97] = psxBios_AddMemCardDevide;
2847 //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2848 //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2849 //biosA0[0x9a] = psxBios_sys_a0_9a;
2850 //biosA0[0x9b] = psxBios_sys_a0_9b;
2851 //biosA0[0x9c] = psxBios_SetConf;
2852 //biosA0[0x9d] = psxBios_GetConf;
2853 //biosA0[0x9e] = psxBios_sys_a0_9e;
2854 biosA0[0x9f] = psxBios_SetMem;
2855 //biosA0[0xa0] = psxBios__boot;
2856 //biosA0[0xa1] = psxBios_SystemError;
2857 //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2858 //biosA0[0xa3] = psxBios_DequeueCdIntr;
2859 //biosA0[0xa4] = psxBios_sys_a0_a4;
2860 //biosA0[0xa5] = psxBios_ReadSector;
2861 //biosA0[0xa6] = psxBios_get_cd_status;
2862 //biosA0[0xa7] = psxBios_bufs_cb_0;
2863 //biosA0[0xa8] = psxBios_bufs_cb_1;
2864 //biosA0[0xa9] = psxBios_bufs_cb_2;
2865 //biosA0[0xaa] = psxBios_bufs_cb_3;
2866 biosA0[0xab] = psxBios__card_info;
2867 biosA0[0xac] = psxBios__card_load;
2868 //biosA0[0axd] = psxBios__card_auto;
2869 //biosA0[0xae] = psxBios_bufs_cd_4;
2870 //biosA0[0xaf] = psxBios_sys_a0_af;
2871 //biosA0[0xb0] = psxBios_sys_a0_b0;
2872 //biosA0[0xb1] = psxBios_sys_a0_b1;
2873 //biosA0[0xb2] = psxBios_do_a_long_jmp
2874 //biosA0[0xb3] = psxBios_sys_a0_b3;
2875 //biosA0[0xb4] = psxBios_sub_function;
2876 //*******************B0 CALLS****************************
2877 //biosB0[0x00] = psxBios_SysMalloc;
2878 //biosB0[0x01] = psxBios_sys_b0_01;
2879 biosB0[0x02] = psxBios_SetRCnt;
2880 biosB0[0x03] = psxBios_GetRCnt;
2881 biosB0[0x04] = psxBios_StartRCnt;
2882 biosB0[0x05] = psxBios_StopRCnt;
2883 biosB0[0x06] = psxBios_ResetRCnt;
2884 biosB0[0x07] = psxBios_DeliverEvent;
2885 biosB0[0x08] = psxBios_OpenEvent;
2886 biosB0[0x09] = psxBios_CloseEvent;
2887 biosB0[0x0a] = psxBios_WaitEvent;
2888 biosB0[0x0b] = psxBios_TestEvent;
2889 biosB0[0x0c] = psxBios_EnableEvent;
2890 biosB0[0x0d] = psxBios_DisableEvent;
2891 biosB0[0x0e] = psxBios_OpenTh;
2892 biosB0[0x0f] = psxBios_CloseTh;
2893 biosB0[0x10] = psxBios_ChangeTh;
2894 //biosB0[0x11] = psxBios_psxBios_b0_11;
2895 biosB0[0x12] = psxBios_InitPAD;
2896 biosB0[0x13] = psxBios_StartPAD;
2897 biosB0[0x14] = psxBios_StopPAD;
2898 biosB0[0x15] = psxBios_PAD_init;
2899 biosB0[0x16] = psxBios_PAD_dr;
2900 biosB0[0x17] = psxBios_ReturnFromException;
2901 biosB0[0x18] = psxBios_ResetEntryInt;
2902 biosB0[0x19] = psxBios_HookEntryInt;
2903 //biosB0[0x1a] = psxBios_sys_b0_1a;
2904 //biosB0[0x1b] = psxBios_sys_b0_1b;
2905 //biosB0[0x1c] = psxBios_sys_b0_1c;
2906 //biosB0[0x1d] = psxBios_sys_b0_1d;
2907 //biosB0[0x1e] = psxBios_sys_b0_1e;
2908 //biosB0[0x1f] = psxBios_sys_b0_1f;
2909 biosB0[0x20] = psxBios_UnDeliverEvent;
2910 //biosB0[0x21] = psxBios_sys_b0_21;
2911 //biosB0[0x22] = psxBios_sys_b0_22;
2912 //biosB0[0x23] = psxBios_sys_b0_23;
2913 //biosB0[0x24] = psxBios_sys_b0_24;
2914 //biosB0[0x25] = psxBios_sys_b0_25;
2915 //biosB0[0x26] = psxBios_sys_b0_26;
2916 //biosB0[0x27] = psxBios_sys_b0_27;
2917 //biosB0[0x28] = psxBios_sys_b0_28;
2918 //biosB0[0x29] = psxBios_sys_b0_29;
2919 //biosB0[0x2a] = psxBios_sys_b0_2a;
2920 //biosB0[0x2b] = psxBios_sys_b0_2b;
2921 //biosB0[0x2c] = psxBios_sys_b0_2c;
2922 //biosB0[0x2d] = psxBios_sys_b0_2d;
2923 //biosB0[0x2e] = psxBios_sys_b0_2e;
2924 //biosB0[0x2f] = psxBios_sys_b0_2f;
2925 //biosB0[0x30] = psxBios_sys_b0_30;
2926 //biosB0[0x31] = psxBios_sys_b0_31;
2927 biosB0[0x32] = psxBios_open;
2928 biosB0[0x33] = psxBios_lseek;
2929 biosB0[0x34] = psxBios_read;
2930 biosB0[0x35] = psxBios_write;
2931 biosB0[0x36] = psxBios_close;
2932 //biosB0[0x37] = psxBios_ioctl;
2933 //biosB0[0x38] = psxBios_exit;
2934 //biosB0[0x39] = psxBios_sys_b0_39;
2935 //biosB0[0x3a] = psxBios_getc;
2936 //biosB0[0x3b] = psxBios_putc;
2937 biosB0[0x3c] = psxBios_getchar;
2938 //biosB0[0x3e] = psxBios_gets;
2939 //biosB0[0x40] = psxBios_cd;
2940 biosB0[0x41] = psxBios_format;
2941 biosB0[0x42] = psxBios_firstfile;
2942 biosB0[0x43] = psxBios_nextfile;
2943 biosB0[0x44] = psxBios_rename;
2944 biosB0[0x45] = psxBios_delete;
2945 //biosB0[0x46] = psxBios_undelete;
2946 //biosB0[0x47] = psxBios_AddDevice;
2947 //biosB0[0x48] = psxBios_RemoteDevice;
2948 //biosB0[0x49] = psxBios_PrintInstalledDevices;
2949 biosB0[0x4a] = psxBios_InitCARD;
2950 biosB0[0x4b] = psxBios_StartCARD;
2951 biosB0[0x4c] = psxBios_StopCARD;
2952 //biosB0[0x4d] = psxBios_sys_b0_4d;
2953 biosB0[0x4e] = psxBios__card_write;
2954 biosB0[0x4f] = psxBios__card_read;
2955 biosB0[0x50] = psxBios__new_card;
2956 biosB0[0x51] = psxBios_Krom2RawAdd;
2957 //biosB0[0x52] = psxBios_sys_b0_52;
2958 //biosB0[0x53] = psxBios_sys_b0_53;
2959 //biosB0[0x54] = psxBios__get_errno;
2960 biosB0[0x55] = psxBios__get_error;
2961 biosB0[0x56] = psxBios_GetC0Table;
2962 biosB0[0x57] = psxBios_GetB0Table;
2963 biosB0[0x58] = psxBios__card_chan;
2964 //biosB0[0x59] = psxBios_sys_b0_59;
2965 //biosB0[0x5a] = psxBios_sys_b0_5a;
2966 biosB0[0x5b] = psxBios_ChangeClearPad;
2967 biosB0[0x5c] = psxBios__card_status;
2968 biosB0[0x5d] = psxBios__card_wait;
2969 //*******************C0 CALLS****************************
2970 //biosC0[0x00] = psxBios_InitRCnt;
2971 //biosC0[0x01] = psxBios_InitException;
2972 biosC0[0x02] = psxBios_SysEnqIntRP;
2973 biosC0[0x03] = psxBios_SysDeqIntRP;
2974 //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2975 //biosC0[0x05] = psxBios_get_free_TCB_slot;
2976 //biosC0[0x06] = psxBios_ExceptionHandler;
2977 //biosC0[0x07] = psxBios_InstallExeptionHandler;
2978 //biosC0[0x08] = psxBios_SysInitMemory;
2979 //biosC0[0x09] = psxBios_SysInitKMem;
2980 biosC0[0x0a] = psxBios_ChangeClearRCnt;
2981 //biosC0[0x0b] = psxBios_SystemError;
2982 //biosC0[0x0c] = psxBios_InitDefInt;
2983 //biosC0[0x0d] = psxBios_sys_c0_0d;
2984 //biosC0[0x0e] = psxBios_sys_c0_0e;
2985 //biosC0[0x0f] = psxBios_sys_c0_0f;
2986 //biosC0[0x10] = psxBios_sys_c0_10;
2987 //biosC0[0x11] = psxBios_sys_c0_11;
2988 //biosC0[0x12] = psxBios_InstallDevices;
2989 //biosC0[0x13] = psxBios_FlushStfInOutPut;
2990 //biosC0[0x14] = psxBios_sys_c0_14;
2991 //biosC0[0x15] = psxBios__cdevinput;
2992 //biosC0[0x16] = psxBios__cdevscan;
2993 //biosC0[0x17] = psxBios__circgetc;
2994 //biosC0[0x18] = psxBios__circputc;
2995 //biosC0[0x19] = psxBios_ioabort;
2996 //biosC0[0x1a] = psxBios_sys_c0_1a
2997 //biosC0[0x1b] = psxBios_KernelRedirect;
2998 //biosC0[0x1c] = psxBios_PatchAOTable;
2999 //************** THE END ***************************************
3002 size = sizeof(EvCB) * 32;
3003 Event = (void *)&psxR[base]; base += size * 6;
3004 memset(Event, 0, size * 6);
3007 RcEV = Event + 32 * 2;
3008 UeEV = Event + 32 * 3;
3009 SwEV = Event + 32 * 4;
3010 ThEV = Event + 32 * 5;
3012 ptr = (u32 *)&psxM[0x0874]; // b0 table
3013 ptr[0] = SWAPu32(0x4c54 - 0x884);
3015 ptr = (u32 *)&psxM[0x0674]; // c0 table
3016 ptr[6] = SWAPu32(0xc80);
3018 memset(SysIntRP, 0, sizeof(SysIntRP));
3019 memset(Thread, 0, sizeof(Thread));
3020 Thread[0].status = 2; // main thread
3027 pad_buf1len = pad_buf2len = 0;
3033 memset(FDesc, 0, sizeof(FDesc));
3034 card_active_chan = 0;
3036 psxMu32ref(0x0150) = SWAPu32(0x160);
3037 psxMu32ref(0x0154) = SWAPu32(0x320);
3038 psxMu32ref(0x0160) = SWAPu32(0x248);
3039 strcpy((char *)&psxM[0x248], "bu");
3040 /* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
3041 psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
3042 psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
3043 psxMu32ref(0x09e0) = SWAPu32(0x43d0);
3044 psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
3047 psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
3048 psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
3049 psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
3050 psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
3051 psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
3052 psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
3053 psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
3054 psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
3055 psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
3056 psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
3058 // initial stack pointer for BIOS interrupt
3059 psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
3062 psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
3065 len = 0x80000 - 0x66000;
3066 uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
3067 len = 0x80000 - 0x69d68;
3068 uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
3071 psxHu32ref(0x1060) = SWAPu32(0x00000b88);
3073 hleSoftCall = FALSE;
3076 void psxBiosShutdown() {
3079 #define psxBios_PADpoll(pad) { \
3080 PAD##pad##_startPoll(pad); \
3081 pad_buf##pad[0] = 0; \
3082 pad_buf##pad[1] = PAD##pad##_poll(0x42); \
3083 if (!(pad_buf##pad[1] & 0x0f)) { \
3086 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
3088 PAD##pad##_poll(0); \
3090 while (bufcount--) { \
3091 pad_buf##pad[i++] = PAD##pad##_poll(0); \
3095 void biosInterrupt() {
3098 // if (psxHu32(0x1070) & 0x1) { // Vsync
3099 if (pad_buf != NULL) {
3100 u32 *buf = (u32*)pad_buf;
3102 if (!Config.UseNet) {
3104 if (PAD1_poll(0x42) == 0x23) {
3106 *buf = PAD1_poll(0) << 8;
3107 *buf |= PAD1_poll(0);
3109 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
3110 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
3113 *buf = PAD1_poll(0) << 8;
3114 *buf|= PAD1_poll(0);
3118 if (PAD2_poll(0x42) == 0x23) {
3120 *buf |= PAD2_poll(0) << 24;
3121 *buf |= PAD2_poll(0) << 16;
3123 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
3124 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
3127 *buf |= PAD2_poll(0) << 24;
3128 *buf |= PAD2_poll(0) << 16;
3136 data = PAD1_poll(0) << 8;
3137 data |= PAD1_poll(0);
3139 if (NET_sendPadData(&data, 2) == -1)
3142 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
3144 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
3148 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
3151 if (NET_sendPadData(pad_buf1, i) == -1)
3154 if (NET_recvPadData(pad_buf1, 1) == -1)
3156 if (NET_recvPadData(pad_buf2, 2) == -1)
3170 if (psxHu32(0x1070) & 0x1) { // Vsync
3171 if (RcEV[3][1].status == EvStACTIVE) {
3172 softCall(RcEV[3][1].fhandler);
3173 // hwWrite32(0x1f801070, ~(1));
3177 if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
3180 for (i = 0; i < 3; i++) {
3181 if (psxHu32(0x1070) & (1 << (i + 4))) {
3182 if (RcEV[i][1].status == EvStACTIVE) {
3183 softCall(RcEV[i][1].fhandler);
3185 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
3191 void psxBiosException() {
3194 switch (psxRegs.CP0.n.Cause & 0x3c) {
3195 case 0x00: // Interrupt
3196 interrupt_r26=psxRegs.CP0.n.EPC;
3198 // PSXCPU_LOG("interrupt\n");
3202 sp = psxMu32(0x6c80); // create new stack for interrupt handlers
3206 for (i = 0; i < 8; i++) {
3208 u32 *queue = (u32 *)PSXM(SysIntRP[i]);
3215 if (jmp_int != NULL) {
3218 psxHwWrite32(0x1f801070, 0xffffffff);
3223 for (i = 0; i < 8; i++) // s0-s7
3224 psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
3231 psxHwWrite16(0x1f801070, 0);
3234 case 0x20: // Syscall
3236 PSXCPU_LOG("syscall exp %x\n", a0);
3239 case 1: // EnterCritical - disable irq's
3240 /* Fixes Medievil 2 not loading up new game, Digimon World not booting up and possibly others */
3241 v0 = (psxRegs.CP0.n.Status & 0x404) == 0x404;
3242 psxRegs.CP0.n.Status &= ~0x404;
3245 case 2: // ExitCritical - enable irq's
3246 psxRegs.CP0.n.Status |= 0x404;
3248 /* Normally this should cover SYS(00h, SYS(04h but they don't do anything relevant so... */
3252 pc0 = psxRegs.CP0.n.EPC + 4;
3254 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3255 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3260 PSXCPU_LOG("unknown bios exception!\n");
3265 pc0 = psxRegs.CP0.n.EPC;
3266 if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
3268 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3269 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3272 #define bfreeze(ptr, size) { \
3273 if (Mode == 1) memcpy(&psxR[base], ptr, size); \
3274 if (Mode == 0) memcpy(ptr, &psxR[base], size); \
3278 #define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
3279 #define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
3281 #define bfreezepsxMptr(ptr, type) { \
3283 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
3284 else psxRu32ref(base) = 0; \
3286 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
3287 else (ptr) = NULL; \
3289 base += sizeof(u32); \
3292 void psxBiosFreeze(int Mode) {
3295 bfreezepsxMptr(jmp_int, u32);
3296 bfreezepsxMptr(pad_buf, int);
3297 bfreezepsxMptr(pad_buf1, char);
3298 bfreezepsxMptr(pad_buf2, char);
3299 bfreezepsxMptr(heap_addr, u32);
3300 bfreezel(&pad_buf1len);
3301 bfreezel(&pad_buf2len);
3304 bfreezel(&CardState);
3306 bfreezel(&CurThread);
3308 bfreezel(&card_active_chan);
3309 bfreezel(&pad_stopped);
3310 bfreezel(&heap_size);