1 /***************************************************************************
2 * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation; either version 2 of the License, or *
7 * (at your option) any later version. *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. *
18 ***************************************************************************/
21 * Internal simulated HLE BIOS.
24 // TODO: implement all system calls, count the exact CPU cycles of system calls.
32 #define SysPrintf if (Config.PsxOut) printf
34 char *biosA0n[256] = {
36 "open", "lseek", "read", "write",
37 "close", "ioctl", "exit", "sys_a0_07",
38 "getc", "putc", "todigit", "atof",
39 "strtoul", "strtol", "abs", "labs",
41 "atoi", "atol", "atob", "setjmp",
42 "longjmp", "strcat", "strncat", "strcmp",
43 "strncmp", "strcpy", "strncpy", "strlen",
44 "index", "rindex", "strchr", "strrchr",
46 "strpbrk", "strspn", "strcspn", "strtok",
47 "strstr", "toupper", "tolower", "bcopy",
48 "bzero", "bcmp", "memcpy", "memset",
49 "memmove", "memcmp", "memchr", "rand",
51 "srand", "qsort", "strtod", "malloc",
52 "free", "lsearch", "bsearch", "calloc",
53 "realloc", "InitHeap", "_exit", "getchar",
54 "putchar", "gets", "puts", "printf",
56 "sys_a0_40", "LoadTest", "Load", "Exec",
57 "FlushCache", "InstallInterruptHandler", "GPU_dw", "mem2vram",
58 "SendGPUStatus", "GPU_cw", "GPU_cwb", "SendPackets",
59 "sys_a0_4c", "GetGPUStatus", "GPU_sync", "sys_a0_4f",
61 "sys_a0_50", "LoadExec", "GetSysSp", "sys_a0_53",
62 "_96_init()", "_bu_init()", "_96_remove()", "sys_a0_57",
63 "sys_a0_58", "sys_a0_59", "sys_a0_5a", "dev_tty_init",
64 "dev_tty_open", "sys_a0_5d", "dev_tty_ioctl","dev_cd_open",
66 "dev_cd_read", "dev_cd_close", "dev_cd_firstfile", "dev_cd_nextfile",
67 "dev_cd_chdir", "dev_card_open", "dev_card_read", "dev_card_write",
68 "dev_card_close", "dev_card_firstfile", "dev_card_nextfile","dev_card_erase",
69 "dev_card_undelete","dev_card_format", "dev_card_rename", "dev_card_6f",
71 "_bu_init", "_96_init", "_96_remove", "sys_a0_73",
72 "sys_a0_74", "sys_a0_75", "sys_a0_76", "sys_a0_77",
73 "_96_CdSeekL", "sys_a0_79", "sys_a0_7a", "sys_a0_7b",
74 "_96_CdGetStatus", "sys_a0_7d", "_96_CdRead", "sys_a0_7f",
76 "sys_a0_80", "sys_a0_81", "sys_a0_82", "sys_a0_83",
77 "sys_a0_84", "_96_CdStop", "sys_a0_86", "sys_a0_87",
78 "sys_a0_88", "sys_a0_89", "sys_a0_8a", "sys_a0_8b",
79 "sys_a0_8c", "sys_a0_8d", "sys_a0_8e", "sys_a0_8f",
81 "sys_a0_90", "sys_a0_91", "sys_a0_92", "sys_a0_93",
82 "sys_a0_94", "sys_a0_95", "AddCDROMDevice", "AddMemCardDevide",
83 "DisableKernelIORedirection", "EnableKernelIORedirection", "sys_a0_9a", "sys_a0_9b",
84 "SetConf", "GetConf", "sys_a0_9e", "SetMem",
86 "_boot", "SystemError", "EnqueueCdIntr", "DequeueCdIntr",
87 "sys_a0_a4", "ReadSector", "get_cd_status", "bufs_cb_0",
88 "bufs_cb_1", "bufs_cb_2", "bufs_cb_3", "_card_info",
89 "_card_load", "_card_auto", "bufs_cd_4", "sys_a0_af",
91 "sys_a0_b0", "sys_a0_b1", "do_a_long_jmp", "sys_a0_b3",
95 char *biosB0n[256] = {
97 "SysMalloc", "sys_b0_01", "sys_b0_02", "sys_b0_03",
98 "sys_b0_04", "sys_b0_05", "sys_b0_06", "DeliverEvent",
99 "OpenEvent", "CloseEvent", "WaitEvent", "TestEvent",
100 "EnableEvent", "DisableEvent", "OpenTh", "CloseTh",
102 "ChangeTh", "sys_b0_11", "InitPAD", "StartPAD",
103 "StopPAD", "PAD_init", "PAD_dr", "ReturnFromExecption",
104 "ResetEntryInt", "HookEntryInt", "sys_b0_1a", "sys_b0_1b",
105 "sys_b0_1c", "sys_b0_1d", "sys_b0_1e", "sys_b0_1f",
107 "UnDeliverEvent", "sys_b0_21", "sys_b0_22", "sys_b0_23",
108 "sys_b0_24", "sys_b0_25", "sys_b0_26", "sys_b0_27",
109 "sys_b0_28", "sys_b0_29", "sys_b0_2a", "sys_b0_2b",
110 "sys_b0_2c", "sys_b0_2d", "sys_b0_2e", "sys_b0_2f",
112 "sys_b0_30", "sys_b0_31", "open", "lseek",
113 "read", "write", "close", "ioctl",
114 "exit", "sys_b0_39", "getc", "putc",
115 "getchar", "putchar", "gets", "puts",
117 "cd", "format", "firstfile", "nextfile",
118 "rename", "delete", "undelete", "AddDevice",
119 "RemoteDevice", "PrintInstalledDevices", "InitCARD", "StartCARD",
120 "StopCARD", "sys_b0_4d", "_card_write", "_card_read",
122 "_new_card", "Krom2RawAdd", "sys_b0_52", "sys_b0_53",
123 "_get_errno", "_get_error", "GetC0Table", "GetB0Table",
124 "_card_chan", "sys_b0_59", "sys_b0_5a", "ChangeClearPAD",
125 "_card_status", "_card_wait",
128 char *biosC0n[256] = {
130 "InitRCnt", "InitException", "SysEnqIntRP", "SysDeqIntRP",
131 "get_free_EvCB_slot", "get_free_TCB_slot", "ExceptionHandler", "InstallExeptionHandler",
132 "SysInitMemory", "SysInitKMem", "ChangeClearRCnt", "SystemError",
133 "InitDefInt", "sys_c0_0d", "sys_c0_0e", "sys_c0_0f",
135 "sys_c0_10", "sys_c0_11", "InstallDevices", "FlushStfInOutPut",
136 "sys_c0_14", "_cdevinput", "_cdevscan", "_circgetc",
137 "_circputc", "ioabort", "sys_c0_1a", "KernelRedirect",
141 //#define r0 (psxRegs.GPR.n.r0)
142 #define at (psxRegs.GPR.n.at)
143 #define v0 (psxRegs.GPR.n.v0)
144 #define v1 (psxRegs.GPR.n.v1)
145 #define a0 (psxRegs.GPR.n.a0)
146 #define a1 (psxRegs.GPR.n.a1)
147 #define a2 (psxRegs.GPR.n.a2)
148 #define a3 (psxRegs.GPR.n.a3)
149 #define t0 (psxRegs.GPR.n.t0)
150 #define t1 (psxRegs.GPR.n.t1)
151 #define t2 (psxRegs.GPR.n.t2)
152 #define t3 (psxRegs.GPR.n.t3)
153 #define t4 (psxRegs.GPR.n.t4)
154 #define t5 (psxRegs.GPR.n.t5)
155 #define t6 (psxRegs.GPR.n.t6)
156 #define t7 (psxRegs.GPR.n.t7)
157 #define t8 (psxRegs.GPR.n.t8)
158 #define t9 (psxRegs.GPR.n.t9)
159 #define s0 (psxRegs.GPR.n.s0)
160 #define s1 (psxRegs.GPR.n.s1)
161 #define s2 (psxRegs.GPR.n.s2)
162 #define s3 (psxRegs.GPR.n.s3)
163 #define s4 (psxRegs.GPR.n.s4)
164 #define s5 (psxRegs.GPR.n.s5)
165 #define s6 (psxRegs.GPR.n.s6)
166 #define s7 (psxRegs.GPR.n.s7)
167 #define k0 (psxRegs.GPR.n.k0)
168 #define k1 (psxRegs.GPR.n.k1)
169 #define gp (psxRegs.GPR.n.gp)
170 #define sp (psxRegs.GPR.n.sp)
171 #define fp (psxRegs.GPR.n.s8)
172 #define ra (psxRegs.GPR.n.ra)
173 #define pc0 (psxRegs.pc)
175 #define Ra0 ((char *)PSXM(a0))
176 #define Ra1 ((char *)PSXM(a1))
177 #define Ra2 ((char *)PSXM(a2))
178 #define Ra3 ((char *)PSXM(a3))
179 #define Rv0 ((char *)PSXM(v0))
180 #define Rsp ((char *)PSXM(sp))
189 #define EvStUNUSED 0x0000
190 #define EvStWAIT 0x1000
191 #define EvStACTIVE 0x2000
192 #define EvStALREADY 0x4000
194 #define EvMdINTR 0x1000
195 #define EvMdNOINTR 0x2000
224 u32 _sp, _fp, _gp, ret, base;
244 static u32 *jmp_int = NULL;
245 static int *pad_buf = NULL;
246 static char *pad_buf1 = NULL, *pad_buf2 = NULL;
247 static int pad_buf1len, pad_buf2len;
251 static EvCB *HwEV; // 0xf0
252 static EvCB *EvEV; // 0xf1
253 static EvCB *RcEV; // 0xf2
254 static EvCB *UeEV; // 0xf3
255 static EvCB *SwEV; // 0xf4
256 static EvCB *ThEV; // 0xff
257 static u32 *heap_addr = NULL;
258 static u32 *heap_end = NULL;
259 static u32 SysIntRP[8];
260 static int CardState = -1;
261 static TCB Thread[8];
262 static int CurThread = 0;
263 static FileDesc FDesc[32];
264 static u32 card_active_chan;
266 boolean hleSoftCall = FALSE;
268 static inline void softCall(u32 pc) {
274 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
279 static inline void softCall2(u32 pc) {
286 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
292 static inline void DeliverEvent(u32 ev, u32 spec) {
293 if (Event[ev][spec].status != EvStACTIVE) return;
295 // Event[ev][spec].status = EvStALREADY;
296 if (Event[ev][spec].mode == EvMdINTR) {
297 softCall2(Event[ev][spec].fhandler);
298 } else Event[ev][spec].status = EvStALREADY;
301 static inline void SaveRegs() {
302 memcpy(regs, psxRegs.GPR.r, 32*4);
303 regs[32] = psxRegs.GPR.n.lo;
304 regs[33] = psxRegs.GPR.n.hi;
305 regs[34] = psxRegs.pc;
308 static inline void LoadRegs() {
309 memcpy(psxRegs.GPR.r, regs, 32*4);
310 psxRegs.GPR.n.lo = regs[32];
311 psxRegs.GPR.n.hi = regs[33];
317 // System calls A0 */
320 #define buread(Ra1, mcd, length) { \
321 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); \
322 ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
323 memcpy(Ra1, ptr, length); \
324 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
325 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
326 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
328 FDesc[1 + mcd].offset += v0; \
331 #define buwrite(Ra1, mcd, length) { \
332 u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
333 SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \
334 ptr = Mcd##mcd##Data + offset; \
335 memcpy(ptr, Ra1, length); \
336 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
337 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
338 FDesc[1 + mcd].offset += length; \
339 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
344 /* Internally redirects to "FileRead(fd,tempbuf,1)".*/
345 /* For some strange reason, the returned character is sign-expanded; */
346 /* So if a return value of FFFFFFFFh could mean either character FFh, or error. */
347 /* TODO FIX ME : Properly implement this behaviour */
348 void psxBios_getc(void) // 0x03, 0x35
353 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x03]);
359 case 2: buread(pa1, 1, 1); break;
360 case 3: buread(pa1, 2, 1); break;
367 /* Copy of psxBios_write, except size is 1. */
368 void psxBios_putc(void) // 0x09, 0x3B
373 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x09]);
381 if (a0 == 1) { // stdout
382 char *ptr = (char *)pa1;
386 printf("%c", *ptr++); a2--;
392 case 2: buwrite(pa1, 1, 1); break;
393 case 3: buwrite(pa1, 2, 1); break;
399 void psxBios_todigit(void) // 0x0a
403 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x0a]);
406 if (c >= 0x30 && c < 0x3A) {
409 else if (c > 0x60 && c < 0x7B) {
412 else if (c > 0x40 && c < 0x5B) {
415 else if (c >= 0x80) {
426 void psxBios_abs() { // 0x0e
427 if ((s32)a0 < 0) v0 = -(s32)a0;
432 void psxBios_labs() { // 0x0f
436 void psxBios_atoi() { // 0x10
438 char *p = (char *)Ra0;
442 case ' ': case '\t': continue;
449 while (*p >= '0' && *p <= '9') {
450 n = n * 10 + *p++ - '0';
457 void psxBios_atol() { // 0x11
461 void psxBios_setjmp() { // 0x13
462 u32 *jmp_buf = (u32 *)Ra0;
466 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]);
472 for (i = 0; i < 8; i++) // s0-s7
473 jmp_buf[3 + i] = psxRegs.GPR.r[16 + i];
479 void psxBios_longjmp() { // 0x14
480 u32 *jmp_buf = (u32 *)Ra0;
484 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]);
487 ra = jmp_buf[0]; /* ra */
488 sp = jmp_buf[1]; /* sp */
489 fp = jmp_buf[2]; /* fp */
490 for (i = 0; i < 8; i++) // s0-s7
491 psxRegs.GPR.r[16 + i] = jmp_buf[3 + i];
492 gp = jmp_buf[11]; /* gp */
497 void psxBios_strcat() { // 0x15
498 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
501 PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1);
503 if (a0 == 0 || a1 == 0)
511 while ((*p1++ = *p2++) != '\0');
516 void psxBios_strncat() { // 0x16
517 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
521 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2);
523 if (a0 == 0 || a1 == 0)
531 while ((*p1++ = *p2++) != '\0') {
541 void psxBios_strcmp() { // 0x17
542 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
545 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1);
548 while (*p1 == *p2++) {
560 void psxBios_strncmp() { // 0x18
561 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
565 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2);
568 while (--n >= 0 && *p1 == *p2++) {
576 v0 = (n < 0 ? 0 : *p1 - *--p2);
580 void psxBios_strcpy() { // 0x19
581 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
582 while ((*p1++ = *p2++) != '\0');
587 void psxBios_strncpy() { // 0x1a
588 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
591 for (i = 0; i < n; i++) {
592 if ((*p1++ = *p2++) == '\0') {
604 void psxBios_strlen() { // 0x1b
605 char *p = (char *)Ra0;
611 void psxBios_index() { // 0x1c
612 char *p = (char *)Ra0;
622 v0 = a0 + (p - (char *)Ra0);
626 } while (*p++ != '\0');
631 void psxBios_rindex() { // 0x1d
632 char *p = (char *)Ra0;
642 v0 = a0 + (p - (char *)Ra0);
643 } while (*p++ != '\0');
648 void psxBios_strchr() { // 0x1e
652 void psxBios_strrchr() { // 0x1f
656 void psxBios_strpbrk() { // 0x20
657 char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc;
659 while ((c = *p1++) != '\0') {
660 for (scanp = p2; (sc = *scanp++) != '\0';) {
662 v0 = a0 + (p1 - 1 - (char *)Ra0);
669 // BUG: return a0 instead of NULL if not found
673 void psxBios_strspn() { // 0x21
676 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
677 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
678 if (*p2 == '\0') break;
681 v0 = p1 - (char *)Ra0; pc0 = ra;
684 void psxBios_strcspn() { // 0x22
687 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
688 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
689 if (*p2 != '\0') break;
692 v0 = p1 - (char *)Ra0; pc0 = ra;
695 void psxBios_strtok() { // 0x23
696 char *pcA0 = (char *)Ra0;
697 char *pcRet = strtok(pcA0, (char *)Ra1);
699 v0 = a0 + pcRet - pcA0;
705 void psxBios_strstr() { // 0x24
706 char *p = (char *)Ra0, *p1, *p2;
712 while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) {
717 v0 = a0 + (p - (char *)Ra0);
728 void psxBios_toupper() { // 0x25
729 v0 = (s8)(a0 & 0xff);
730 if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A';
734 void psxBios_tolower() { // 0x26
735 v0 = (s8)(a0 & 0xff);
736 if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A';
740 void psxBios_bcopy() { // 0x27
741 char *p1 = (char *)Ra1, *p2 = (char *)Ra0;
743 if (a0 == 0 || a2 > 0x7FFFFFFF)
748 while ((s32)a2-- > 0) *p1++ = *p2++;
753 void psxBios_bzero() { // 0x28
754 char *p = (char *)Ra0;
756 /* Same as memset here (See memset below) */
757 if (a1 > 0x7FFFFFFF || a1 == 0)
768 while ((s32)a1-- > 0) *p++ = '\0';
773 void psxBios_bcmp() { // 0x29
774 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
776 if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; }
778 while ((s32)a2-- > 0) {
779 if (*p1++ != *p2++) {
780 v0 = *p1 - *p2; // BUG: compare the NEXT byte
789 void psxBios_memcpy() { // 0x2a
790 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
791 while ((s32)a2-- > 0) *p1++ = *p2++;
796 void psxBios_memset() { // 0x2b
797 char *p = (char *)Ra0;
798 while ((s32)a2-- > 0) *p++ = (char)a1;
804 void psxBios_memmove() { // 0x2c
805 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
807 if (p2 <= p1 && p2 + a2 > p1) {
808 a2++; // BUG: copy one more byte here
811 while ((s32)a2-- > 0) *--p1 = *--p2;
813 while ((s32)a2-- > 0) *p1++ = *p2++;
819 void psxBios_memcmp() { // 0x2d
823 void psxBios_memchr() { // 0x2e
824 char *p = (char *)Ra0;
826 while ((s32)a2-- > 0) {
827 if (*p++ != (s8)a1) continue;
828 v0 = a0 + (p - (char *)Ra0 - 1);
836 void psxBios_rand() { // 0x2f
837 u32 s = psxMu32(0x9010) * 1103515245 + 12345;
838 v0 = (s >> 16) & 0x7fff;
839 psxMu32ref(0x9010) = SWAPu32(s);
843 void psxBios_srand() { // 0x30
844 psxMu32ref(0x9010) = SWAPu32(a0);
848 static u32 qscmpfunc, qswidth;
850 static inline int qscmp(char *a, char *b) {
853 a0 = sa0 + (a - (char *)PSXM(sa0));
854 a1 = sa0 + (b - (char *)PSXM(sa0));
856 softCall2(qscmpfunc);
862 static inline void qexchange(char *i, char *j) {
873 static inline void q3exchange(char *i, char *j, char *k) {
885 static void qsort_main(char *a, char *l) {
886 char *i, *j, *lp, *hp;
891 if ((n = l - a) <= qswidth)
893 n = qswidth * (n / (2 * qswidth));
899 if ((c = qscmp(i, lp)) == 0) {
900 qexchange(i, lp -= qswidth);
911 if ((c = qscmp(hp, j)) == 0) {
912 qexchange(hp += qswidth, j);
917 q3exchange(i, hp += qswidth, j);
931 if (lp - a >= l - hp) {
932 qsort_main(hp + qswidth, l);
941 q3exchange(j, lp -= qswidth, i);
946 void psxBios_qsort() { // 0x31
949 qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
954 void psxBios_malloc() { // 0x33
955 unsigned int *chunk, *newchunk = NULL;
956 unsigned int dsize = 0, csize, cstat;
959 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
962 // scan through heap and combine free chunks of space
965 while(chunk < heap_end) {
966 // get size and status of actual chunk
967 csize = ((u32)*chunk) & 0xfffffffc;
968 cstat = ((u32)*chunk) & 1;
975 colflag = 1; // let's begin a new collection of free memory
977 else dsize += (csize+4); // add the new size including header
979 // not a free chunk: did we start a collection ?
981 if(colflag == 1) { // collection is over
983 *newchunk = SWAP32(dsize | 1);
988 chunk = (u32*)((uptr)chunk + csize + 4);
990 // if neccessary free memory on end of heap
992 *newchunk = SWAP32(dsize | 1);
995 csize = ((u32)*chunk) & 0xfffffffc;
996 cstat = ((u32)*chunk) & 1;
997 dsize = (a0 + 3) & 0xfffffffc;
999 // exit on uninitialized heap
1000 if (chunk == NULL) {
1001 SysPrintf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
1007 // search an unused chunk that is big enough until the end of the heap
1008 while ((dsize > csize || cstat == 0) && chunk < heap_end ) {
1009 chunk = (u32*)((uptr)chunk + csize + 4);
1010 csize = ((u32)*chunk) & 0xfffffffc;
1011 cstat = ((u32)*chunk) & 1;
1014 // catch out of memory
1015 if(chunk >= heap_end) { SysPrintf("malloc %x,%x: Out of memory error!\n", v0, a0); v0 = 0; pc0 = ra; return; }
1018 if(dsize == csize) {
1019 // chunk has same size
1020 *chunk &= 0xfffffffc;
1024 *chunk = SWAP32(dsize);
1025 newchunk = (u32*)((uptr)chunk + dsize + 4);
1026 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
1029 // return pointer to allocated memory
1030 v0 = ((unsigned long)chunk - (unsigned long)psxM) + 4;
1032 SysPrintf ("malloc %x,%x\n", v0, a0);
1036 void psxBios_free() { // 0x34
1039 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
1042 SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
1044 *(u32*)(Ra0-4) |= 1; // set chunk to free
1048 void psxBios_calloc() { // 0x37
1051 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
1061 void psxBios_realloc() { // 0x38
1065 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
1069 /* If "old_buf" is zero, executes malloc(new_size), and returns r2=new_buf (or 0=failed). */
1074 /* Else, if "new_size" is zero, executes free(old_buf), and returns r2=garbage. */
1079 /* Else, executes malloc(new_size), bcopy(old_buf,new_buf,new_size), and free(old_buf), and returns r2=new_buf (or 0=failed). */
1080 /* Note that it is not quite implemented this way here. */
1090 /* InitHeap(void *block , int n) */
1091 void psxBios_InitHeap() { // 0x39
1095 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
1098 if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
1103 heap_addr = (u32 *)Ra0;
1104 heap_end = (u32 *)((u8 *)heap_addr + size);
1105 *heap_addr = SWAP32(size | 1);
1107 SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
1112 void psxBios_getchar() { //0x3b
1113 v0 = getchar(); pc0 = ra;
1116 void psxBios_printf() { // 0x3f
1126 memcpy(save, psp, 4 * 4);
1127 psxMu32ref(sp) = SWAP32((u32)a0);
1128 psxMu32ref(sp + 4) = SWAP32((u32)a1);
1129 psxMu32ref(sp + 8) = SWAP32((u32)a2);
1130 psxMu32ref(sp + 12) = SWAP32((u32)a3);
1142 tmp2[j++] = Ra0[i]; goto _start;
1144 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
1155 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
1159 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
1165 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
1167 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
1169 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1171 *ptmp++ = Ra0[i]; break;
1182 memcpy(psp, save, 4 * 4);
1184 SysPrintf("%s", tmp);
1189 void psxBios_format() { // 0x41
1190 if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0')
1192 CreateMcd(Config.Mcd1);
1193 LoadMcd(1, Config.Mcd1);
1196 else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0')
1198 CreateMcd(Config.Mcd2);
1199 LoadMcd(2, Config.Mcd2);
1210 * long Load(char *name, struct EXEC *header);
1213 void psxBios_Load() { // 0x42
1218 PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1222 if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) {
1223 memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC));
1231 * int Exec(struct EXEC *header , int argc , char **argv);
1234 void psxBios_Exec() { // 43
1235 EXEC *header = (EXEC*)Ra0;
1239 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1249 if (header->S_addr != 0) {
1250 tmp = header->S_addr + header->s_size;
1266 void psxBios_FlushCache() { // 44
1268 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1274 void psxBios_GPU_dw() { // 0x46
1279 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1282 GPU_writeData(0xa0000000);
1283 GPU_writeData((a1<<16)|(a0&0xffff));
1284 GPU_writeData((a3<<16)|(a2&0xffff));
1286 ptr = (s32*)PSXM(Rsp[4]); //that is correct?
1288 GPU_writeData(SWAP32(*ptr));
1295 void psxBios_mem2vram() { // 0x47
1298 GPU_writeData(0xa0000000);
1299 GPU_writeData((a1<<16)|(a0&0xffff));
1300 GPU_writeData((a3<<16)|(a2&0xffff));
1302 GPU_writeStatus(0x04000002);
1303 psxHwWrite32(0x1f8010f4,0);
1304 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1305 psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1306 psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1307 psxHwWrite32(0x1f8010a8,0x01000201);
1312 void psxBios_SendGPU() { // 0x48
1313 GPU_writeStatus(a0);
1318 void psxBios_GPU_cw() { // 0x49
1323 void psxBios_GPU_cwb() { // 0x4a
1324 s32 *ptr = (s32*)Ra0;
1327 GPU_writeData(SWAP32(*ptr));
1334 void psxBios_GPU_SendPackets() { //4b:
1335 GPU_writeStatus(0x04000002);
1336 psxHwWrite32(0x1f8010f4,0);
1337 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1338 psxHwWrite32(0x1f8010a0,a0);
1339 psxHwWrite32(0x1f8010a4,0);
1340 psxHwWrite32(0x1f8010a8,0x010000401);
1344 void psxBios_sys_a0_4c() { // 0x4c GPU relate
1345 psxHwWrite32(0x1f8010a8,0x00000401);
1346 GPU_writeData(0x0400000);
1347 GPU_writeData(0x0200000);
1348 GPU_writeData(0x0100000);
1353 void psxBios_GPU_GetGPUStatus() { // 0x4d
1354 v0 = GPU_readStatus();
1360 void psxBios_LoadExec() { // 51
1361 EXEC *header = (EXEC*)PSXM(0xf000);
1365 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1367 s_addr = a1; s_size = a2;
1372 header->S_addr = s_addr;
1373 header->s_size = s_size;
1375 a0 = 0xf000; a1 = 0; a2 = 0;
1379 void psxBios__bu_init() { // 70
1381 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1384 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1385 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1390 void psxBios__96_init() { // 71
1392 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1398 void psxBios__96_remove() { // 72
1400 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1406 void psxBios_SetMem() { // 9f
1407 u32 new = psxHu32(0x1060);
1410 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1415 psxHu32ref(0x1060) = SWAP32(new);
1416 psxMu32ref(0x060) = a0;
1417 SysPrintf("Change effective memory : %d MBytes\n",a0);
1421 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1422 psxMu32ref(0x060) = a0;
1423 SysPrintf("Change effective memory : %d MBytes\n",a0);
1426 SysPrintf("Effective memory must be 2/8 MBytes\n");
1433 void psxBios__card_info() { // ab
1435 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1438 card_active_chan = a0;
1440 switch (card_active_chan)
1442 case 0x00: case 0x01: case 0x02: case 0x03:
1443 ret = Config.Mcd1[0] ? 0x2 : 0x8;
1445 case 0x10: case 0x11: case 0x12: case 0x13:
1446 ret = Config.Mcd2[0] ? 0x2 : 0x8;
1450 PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan);
1456 // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1457 // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1458 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1459 DeliverEvent(0x81, ret); // 0xf4000001, 0x0004
1464 void psxBios__card_load() { // ac
1466 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1469 card_active_chan = a0;
1471 // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1472 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1477 /* System calls B0 */
1479 void psxBios_SetRCnt() { // 02
1481 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1488 psxRcntWtarget(a0, a1);
1489 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1490 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1491 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1492 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1493 else { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1495 psxRcntWmode(a0, mode);
1500 void psxBios_GetRCnt() { // 03
1502 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1506 if (a0 != 3) v0 = psxRcntRcount(a0);
1511 void psxBios_StartRCnt() { // 04
1513 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1517 if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1518 else psxHu32ref(0x1074)|= SWAPu32(0x1);
1522 void psxBios_StopRCnt() { // 05
1524 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1528 if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1529 else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1533 void psxBios_ResetRCnt() { // 06
1535 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1540 psxRcntWmode(a0, 0);
1541 psxRcntWtarget(a0, 0);
1542 psxRcntWcount(a0, 0);
1548 /* gets ev for use with Event */
1550 ev = (a0 >> 24) & 0xf; \
1551 if (ev == 0xf) ev = 0x5; \
1555 /* gets spec for use with Event */
1559 case 0x0301: spec = 16; break; \
1560 case 0x0302: spec = 17; break; \
1562 for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1566 void psxBios_DeliverEvent() { // 07
1574 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1577 DeliverEvent(ev, spec);
1582 void psxBios_OpenEvent() { // 08
1590 PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1593 Event[ev][spec].status = EvStWAIT;
1594 Event[ev][spec].mode = a2;
1595 Event[ev][spec].fhandler = a3;
1597 v0 = ev | (spec << 8);
1601 void psxBios_CloseEvent() { // 09
1605 spec = (a0 >> 8) & 0xff;
1608 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1611 Event[ev][spec].status = EvStUNUSED;
1616 void psxBios_WaitEvent() { // 0a
1620 spec = (a0 >> 8) & 0xff;
1622 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1624 if (Event[ev][spec].status == EvStUNUSED)
1631 if (Event[ev][spec].status == EvStALREADY)
1633 /* Callback events (mode=EvMdINTR) do never set the ready flag (and thus WaitEvent would hang forever). */
1634 if (!(Event[ev][spec].mode == EvMdINTR)) Event[ev][spec].status = EvStACTIVE;
1644 void psxBios_TestEvent() { // 0b
1648 spec = (a0 >> 8) & 0xff;
1650 if (Event[ev][spec].status == EvStALREADY) {
1651 Event[ev][spec].status = EvStACTIVE; v0 = 1;
1655 PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1661 void psxBios_EnableEvent() { // 0c
1665 spec = (a0 >> 8) & 0xff;
1668 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1671 Event[ev][spec].status = EvStACTIVE;
1676 void psxBios_DisableEvent() { // 0d
1680 spec = (a0 >> 8) & 0xff;
1683 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1686 Event[ev][spec].status = EvStWAIT;
1692 * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1695 void psxBios_OpenTh() { // 0e
1698 for (th=1; th<8; th++)
1700 if (Thread[th].status == 0) break;
1704 // Feb 2019 - Added out-of-bounds fix caught by cppcheck:
1705 // When no free TCB is found, return 0xffffffff according to Nocash doc.
1707 PSXBIOS_LOG("\t%s() WARNING! No Free TCBs found!\n", __func__);
1714 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1717 Thread[th].status = 1;
1718 Thread[th].func = a0;
1719 Thread[th].reg[29] = a1;
1720 Thread[th].reg[28] = a2;
1726 * int CloseTh(long thread);
1729 void psxBios_CloseTh() { // 0f
1733 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1736 if (Thread[th].status == 0) {
1739 Thread[th].status = 0;
1747 * int ChangeTh(long thread);
1750 void psxBios_ChangeTh() { // 10
1754 // PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1757 if (Thread[th].status == 0 || CurThread == th) {
1764 if (Thread[CurThread].status == 2) {
1765 Thread[CurThread].status = 1;
1766 Thread[CurThread].func = ra;
1767 memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1770 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1771 pc0 = Thread[th].func;
1772 Thread[th].status = 2;
1777 void psxBios_InitPAD() { // 0x12
1779 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1782 pad_buf1 = (char*)Ra0;
1784 pad_buf2 = (char*)Ra2;
1790 void psxBios_StartPAD() { // 13
1792 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1795 psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1796 psxRegs.CP0.n.Status |= 0x401;
1800 void psxBios_StopPAD() { // 14
1802 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1811 void psxBios_PAD_init() { // 15
1813 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1815 if (!(a0 == 0x20000000 || a0 == 0x20000001))
1821 psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1822 pad_buf = (int *)Ra1;
1824 psxRegs.CP0.n.Status |= 0x401;
1829 void psxBios_PAD_dr() { // 16
1831 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1837 void psxBios_ReturnFromException() { // 17
1840 pc0 = psxRegs.CP0.n.EPC;
1841 if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1843 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1844 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1847 void psxBios_ResetEntryInt() { // 18
1849 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1856 void psxBios_HookEntryInt() { // 19
1858 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
1861 jmp_int = (u32*)Ra0;
1865 void psxBios_UnDeliverEvent() { // 0x20
1873 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
1876 if (Event[ev][spec].status == EvStALREADY &&
1877 Event[ev][spec].mode == EvMdNOINTR)
1878 Event[ev][spec].status = EvStACTIVE;
1883 char ffile[64], *pfile;
1885 static void buopen(int mcd, u8 *ptr, u8 *cfg)
1890 strcpy(FDesc[1 + mcd].name, Ra0+5);
1891 FDesc[1 + mcd].offset = 0;
1892 FDesc[1 + mcd].mode = a1;
1894 for (i=1; i<16; i++) {
1896 if ((*fptr & 0xF0) != 0x50) continue;
1897 if (strcmp(FDesc[1 + mcd].name, fptr+0xa)) continue;
1898 FDesc[1 + mcd].mcfile = i;
1899 SysPrintf("open %s\n", fptr+0xa);
1903 if (a1 & 0x200 && v0 == -1) { /* FCREAT */
1905 for (i=1; i<16; i++) {
1906 int j, xor, nblk = a1 >> 16;
1910 if ((*fptr & 0xF0) != 0xa0) continue;
1912 FDesc[1 + mcd].mcfile = i;
1915 fptr[5] = 0x20 * nblk;
1918 strcpy(fptr+0xa, FDesc[1 + mcd].name);
1919 pptr = fptr2 = fptr;
1920 for(j=2; j<=nblk; j++) {
1922 for(i++; i<16; i++) {
1925 memset(fptr2, 0, 128);
1926 fptr2[0] = j < nblk ? 0x52 : 0x53;
1929 for (k=0, xor=0; k<127; k++) xor^= pptr[k];
1934 /* shouldn't this return ENOSPC if i == 16? */
1936 pptr[8] = pptr[9] = 0xff;
1937 for (j=0, xor=0; j<127; j++) xor^= pptr[j];
1939 SysPrintf("openC %s %d\n", ptr, nblk);
1941 /* just go ahead and resave them all */
1942 SaveMcd(cfg, ptr, 128, 128 * 15);
1945 /* shouldn't this return ENOSPC if i == 16? */
1950 * int open(char *name , int mode);
1953 void psxBios_open() { // 0x32
1959 PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
1965 if (!strncmp(pa0, "bu00", 4)) {
1966 buopen(1, Mcd1Data, Config.Mcd1);
1969 if (!strncmp(pa0, "bu10", 4)) {
1970 buopen(2, Mcd2Data, Config.Mcd2);
1978 * int lseek(int fd , int offset , int whence);
1981 void psxBios_lseek() { // 0x33
1983 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
1988 FDesc[a0].offset = a1;
1990 // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1991 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1995 FDesc[a0].offset+= a1;
1996 v0 = FDesc[a0].offset;
2005 * int read(int fd , void *buf , int nbytes);
2008 void psxBios_read() { // 0x34
2013 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
2020 case 2: buread(pa1, 1, a2); break;
2021 case 3: buread(pa1, 2, a2); break;
2029 * int write(int fd , void *buf , int nbytes);
2032 void psxBios_write() { // 0x35/0x03
2037 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
2046 if (a0 == 1) { // stdout
2051 SysPrintf("%c", *ptr++); a2--;
2057 case 2: buwrite(pa1, 1, a2); break;
2058 case 3: buwrite(pa1, 2, a2); break;
2065 * int close(int fd);
2068 void psxBios_close() { // 0x36
2070 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
2077 void psxBios_putchar() { // 3d
2078 SysPrintf("%c", (char)a0);
2082 void psxBios_puts() { // 3e/3f
2083 SysPrintf("%s", Ra0);
2087 char ffile[64], *pfile;
2090 #define bufile(mcd) { \
2091 while (nfile < 16) { \
2094 ptr = Mcd##mcd##Data + 128 * (nfile + 1); \
2096 if ((*ptr & 0xF0) != 0x50) continue; \
2097 /* Bug link files show up as free block. */ \
2098 if (!ptr[0xa]) continue; \
2100 if (pfile[0] == 0) { \
2101 strncpy(dir->name, ptr, sizeof(dir->name)); \
2102 dir->name[sizeof(dir->name) - 1] = '\0'; \
2103 } else for (i=0; i<20; i++) { \
2104 if (pfile[i] == ptr[i]) { \
2105 dir->name[i] = ptr[i]; continue; } \
2106 if (pfile[i] == '?') { \
2107 dir->name[i] = ptr[i]; continue; } \
2108 if (pfile[i] == '*') { \
2109 strcpy(dir->name+i, ptr+i); break; } \
2112 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
2113 if (match == 0) { continue; } \
2121 * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
2124 void psxBios_firstfile() { // 42
2125 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
2132 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
2141 if (!strncmp(pa0, "bu00", 4)) {
2142 // firstfile() calls _card_read() internally, so deliver it's event
2143 DeliverEvent(0x11, 0x2);
2145 } else if (!strncmp(pa0, "bu10", 4)) {
2146 // firstfile() calls _card_read() internally, so deliver it's event
2147 DeliverEvent(0x11, 0x2);
2156 * struct DIRENTRY* nextfile(struct DIRENTRY *dir);
2159 void psxBios_nextfile() { // 43
2160 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
2166 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
2171 if (!strncmp(ffile, "bu00", 4)) {
2175 if (!strncmp(ffile, "bu10", 4)) {
2182 #define burename(mcd) { \
2183 for (i=1; i<16; i++) { \
2184 int namelen, j, xor = 0; \
2185 ptr = Mcd##mcd##Data + 128 * i; \
2186 if ((*ptr & 0xF0) != 0x50) continue; \
2187 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2188 namelen = strlen(Ra1+5); \
2189 memcpy(ptr+0xa, Ra1+5, namelen); \
2190 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
2191 for (j=0; j<127; j++) xor^= ptr[j]; \
2193 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
2200 * int rename(char *old, char *new);
2203 void psxBios_rename() { // 44
2210 PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
2216 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
2220 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
2229 #define budelete(mcd) { \
2230 for (i=1; i<16; i++) { \
2231 ptr = Mcd##mcd##Data + 128 * i; \
2232 if ((*ptr & 0xF0) != 0x50) continue; \
2233 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2234 *ptr = (*ptr & 0xf) | 0xA0; \
2235 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
2236 SysPrintf("delete %s\n", ptr+0xa); \
2243 * int delete(char *name);
2246 void psxBios_delete() { // 45
2252 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2258 if (!strncmp(pa0, "bu00", 4)) {
2262 if (!strncmp(pa0, "bu10", 4)) {
2270 void psxBios_InitCARD() { // 4a
2272 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2280 void psxBios_StartCARD() { // 4b
2282 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2285 if (CardState == 0) CardState = 1;
2290 void psxBios_StopCARD() { // 4c
2292 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2295 if (CardState == 1) CardState = 0;
2300 void psxBios__card_write() { // 0x4e
2305 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2307 /* Function also accepts sector 400h (a bug) */
2310 /* Invalid sectors */
2314 card_active_chan = a0;
2319 memcpy(Mcd1Data + a1 * 128, pa2, 128);
2320 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2322 memcpy(Mcd2Data + a1 * 128, pa2, 128);
2323 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2327 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2328 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2333 void psxBios__card_read() { // 0x4f
2338 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2340 /* Function also accepts sector 400h (a bug) */
2343 /* Invalid sectors */
2347 card_active_chan = a0;
2352 memcpy(pa2, Mcd1Data + a1 * 128, 128);
2354 memcpy(pa2, Mcd2Data + a1 * 128, 128);
2358 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2359 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2364 void psxBios__new_card() { // 0x50
2366 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2372 void psxBios_Krom2RawAdd() { // 0x51
2375 const u32 table_8140[][2] = {
2376 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2377 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2378 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2379 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2380 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2381 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2382 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2383 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2384 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2388 const u32 table_889f[][2] = {
2389 {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4},
2390 {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304},
2391 {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14},
2392 {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24},
2393 {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734},
2394 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2395 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2396 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2400 if (a0 >= 0x8140 && a0 <= 0x84be) {
2401 while (table_8140[i][0] <= a0) i++;
2402 a0 -= table_8140[i - 1][0];
2403 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2404 } else if (a0 >= 0x889f && a0 <= 0x9872) {
2405 while (table_889f[i][0] <= a0) i++;
2406 a0 -= table_889f[i - 1][0];
2407 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2415 void psxBios_GetC0Table() { // 56
2417 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2420 v0 = 0x674; pc0 = ra;
2423 void psxBios_GetB0Table() { // 57
2425 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2428 v0 = 0x874; pc0 = ra;
2431 void psxBios__card_chan() { // 0x58
2433 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2436 v0 = card_active_chan;
2440 void psxBios_ChangeClearPad() { // 5b
2442 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2448 /* System calls C0 */
2451 * int SysEnqIntRP(int index , long *queue);
2454 void psxBios_SysEnqIntRP() { // 02
2456 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2465 * int SysDeqIntRP(int index , long *queue);
2468 void psxBios_SysDeqIntRP() { // 03
2470 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2478 void psxBios_ChangeClearRCnt() { // 0a
2482 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2485 ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2489 // psxRegs.CP0.n.Status|= 0x404;
2493 void psxBios_dummy() {
2495 PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2500 void (*biosA0[256])();
2501 void (*biosB0[256])();
2502 void (*biosC0[256])();
2504 #include "sjisfont.h"
2506 void psxBiosInit() {
2512 for(i = 0; i < 256; i++) {
2517 biosA0[0x3e] = psxBios_puts;
2518 biosA0[0x3f] = psxBios_printf;
2520 biosB0[0x3d] = psxBios_putchar;
2521 biosB0[0x3f] = psxBios_puts;
2523 if (!Config.HLE) return;
2525 for(i = 0; i < 256; i++) {
2526 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2527 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2528 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2531 biosA0[0x00] = psxBios_open;
2532 biosA0[0x01] = psxBios_lseek;
2533 biosA0[0x02] = psxBios_read;
2534 biosA0[0x03] = psxBios_write;
2535 biosA0[0x04] = psxBios_close;
2536 //biosA0[0x05] = psxBios_ioctl;
2537 //biosA0[0x06] = psxBios_exit;
2538 //biosA0[0x07] = psxBios_sys_a0_07;
2539 biosA0[0x08] = psxBios_getc;
2540 biosA0[0x09] = psxBios_putc;
2541 biosA0[0x0a] = psxBios_todigit;
2542 //biosA0[0x0b] = psxBios_atof;
2543 //biosA0[0x0c] = psxBios_strtoul;
2544 //biosA0[0x0d] = psxBios_strtol;
2545 biosA0[0x0e] = psxBios_abs;
2546 biosA0[0x0f] = psxBios_labs;
2547 biosA0[0x10] = psxBios_atoi;
2548 biosA0[0x11] = psxBios_atol;
2549 //biosA0[0x12] = psxBios_atob;
2550 biosA0[0x13] = psxBios_setjmp;
2551 biosA0[0x14] = psxBios_longjmp;
2552 biosA0[0x15] = psxBios_strcat;
2553 biosA0[0x16] = psxBios_strncat;
2554 biosA0[0x17] = psxBios_strcmp;
2555 biosA0[0x18] = psxBios_strncmp;
2556 biosA0[0x19] = psxBios_strcpy;
2557 biosA0[0x1a] = psxBios_strncpy;
2558 biosA0[0x1b] = psxBios_strlen;
2559 biosA0[0x1c] = psxBios_index;
2560 biosA0[0x1d] = psxBios_rindex;
2561 biosA0[0x1e] = psxBios_strchr;
2562 biosA0[0x1f] = psxBios_strrchr;
2563 biosA0[0x20] = psxBios_strpbrk;
2564 biosA0[0x21] = psxBios_strspn;
2565 biosA0[0x22] = psxBios_strcspn;
2566 biosA0[0x23] = psxBios_strtok;
2567 biosA0[0x24] = psxBios_strstr;
2568 biosA0[0x25] = psxBios_toupper;
2569 biosA0[0x26] = psxBios_tolower;
2570 biosA0[0x27] = psxBios_bcopy;
2571 biosA0[0x28] = psxBios_bzero;
2572 biosA0[0x29] = psxBios_bcmp;
2573 biosA0[0x2a] = psxBios_memcpy;
2574 biosA0[0x2b] = psxBios_memset;
2575 biosA0[0x2c] = psxBios_memmove;
2576 biosA0[0x2d] = psxBios_memcmp;
2577 biosA0[0x2e] = psxBios_memchr;
2578 biosA0[0x2f] = psxBios_rand;
2579 biosA0[0x30] = psxBios_srand;
2580 biosA0[0x31] = psxBios_qsort;
2581 //biosA0[0x32] = psxBios_strtod;
2582 biosA0[0x33] = psxBios_malloc;
2583 biosA0[0x34] = psxBios_free;
2584 //biosA0[0x35] = psxBios_lsearch;
2585 //biosA0[0x36] = psxBios_bsearch;
2586 biosA0[0x37] = psxBios_calloc;
2587 biosA0[0x38] = psxBios_realloc;
2588 biosA0[0x39] = psxBios_InitHeap;
2589 //biosA0[0x3a] = psxBios__exit;
2590 biosA0[0x3b] = psxBios_getchar;
2591 biosA0[0x3c] = psxBios_putchar;
2592 //biosA0[0x3d] = psxBios_gets;
2593 //biosA0[0x40] = psxBios_sys_a0_40;
2594 //biosA0[0x41] = psxBios_LoadTest;
2595 biosA0[0x42] = psxBios_Load;
2596 biosA0[0x43] = psxBios_Exec;
2597 biosA0[0x44] = psxBios_FlushCache;
2598 //biosA0[0x45] = psxBios_InstallInterruptHandler;
2599 biosA0[0x46] = psxBios_GPU_dw;
2600 biosA0[0x47] = psxBios_mem2vram;
2601 biosA0[0x48] = psxBios_SendGPU;
2602 biosA0[0x49] = psxBios_GPU_cw;
2603 biosA0[0x4a] = psxBios_GPU_cwb;
2604 biosA0[0x4b] = psxBios_GPU_SendPackets;
2605 biosA0[0x4c] = psxBios_sys_a0_4c;
2606 biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2607 //biosA0[0x4e] = psxBios_GPU_sync;
2608 //biosA0[0x4f] = psxBios_sys_a0_4f;
2609 //biosA0[0x50] = psxBios_sys_a0_50;
2610 biosA0[0x51] = psxBios_LoadExec;
2611 //biosA0[0x52] = psxBios_GetSysSp;
2612 //biosA0[0x53] = psxBios_sys_a0_53;
2613 //biosA0[0x54] = psxBios__96_init_a54;
2614 //biosA0[0x55] = psxBios__bu_init_a55;
2615 //biosA0[0x56] = psxBios__96_remove_a56;
2616 //biosA0[0x57] = psxBios_sys_a0_57;
2617 //biosA0[0x58] = psxBios_sys_a0_58;
2618 //biosA0[0x59] = psxBios_sys_a0_59;
2619 //biosA0[0x5a] = psxBios_sys_a0_5a;
2620 //biosA0[0x5b] = psxBios_dev_tty_init;
2621 //biosA0[0x5c] = psxBios_dev_tty_open;
2622 //biosA0[0x5d] = psxBios_sys_a0_5d;
2623 //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2624 //biosA0[0x5f] = psxBios_dev_cd_open;
2625 //biosA0[0x60] = psxBios_dev_cd_read;
2626 //biosA0[0x61] = psxBios_dev_cd_close;
2627 //biosA0[0x62] = psxBios_dev_cd_firstfile;
2628 //biosA0[0x63] = psxBios_dev_cd_nextfile;
2629 //biosA0[0x64] = psxBios_dev_cd_chdir;
2630 //biosA0[0x65] = psxBios_dev_card_open;
2631 //biosA0[0x66] = psxBios_dev_card_read;
2632 //biosA0[0x67] = psxBios_dev_card_write;
2633 //biosA0[0x68] = psxBios_dev_card_close;
2634 //biosA0[0x69] = psxBios_dev_card_firstfile;
2635 //biosA0[0x6a] = psxBios_dev_card_nextfile;
2636 //biosA0[0x6b] = psxBios_dev_card_erase;
2637 //biosA0[0x6c] = psxBios_dev_card_undelete;
2638 //biosA0[0x6d] = psxBios_dev_card_format;
2639 //biosA0[0x6e] = psxBios_dev_card_rename;
2640 //biosA0[0x6f] = psxBios_dev_card_6f;
2641 biosA0[0x70] = psxBios__bu_init;
2642 biosA0[0x71] = psxBios__96_init;
2643 biosA0[0x72] = psxBios__96_remove;
2644 //biosA0[0x73] = psxBios_sys_a0_73;
2645 //biosA0[0x74] = psxBios_sys_a0_74;
2646 //biosA0[0x75] = psxBios_sys_a0_75;
2647 //biosA0[0x76] = psxBios_sys_a0_76;
2648 //biosA0[0x77] = psxBios_sys_a0_77;
2649 //biosA0[0x78] = psxBios__96_CdSeekL;
2650 //biosA0[0x79] = psxBios_sys_a0_79;
2651 //biosA0[0x7a] = psxBios_sys_a0_7a;
2652 //biosA0[0x7b] = psxBios_sys_a0_7b;
2653 //biosA0[0x7c] = psxBios__96_CdGetStatus;
2654 //biosA0[0x7d] = psxBios_sys_a0_7d;
2655 //biosA0[0x7e] = psxBios__96_CdRead;
2656 //biosA0[0x7f] = psxBios_sys_a0_7f;
2657 //biosA0[0x80] = psxBios_sys_a0_80;
2658 //biosA0[0x81] = psxBios_sys_a0_81;
2659 //biosA0[0x82] = psxBios_sys_a0_82;
2660 //biosA0[0x83] = psxBios_sys_a0_83;
2661 //biosA0[0x84] = psxBios_sys_a0_84;
2662 //biosA0[0x85] = psxBios__96_CdStop;
2663 //biosA0[0x86] = psxBios_sys_a0_86;
2664 //biosA0[0x87] = psxBios_sys_a0_87;
2665 //biosA0[0x88] = psxBios_sys_a0_88;
2666 //biosA0[0x89] = psxBios_sys_a0_89;
2667 //biosA0[0x8a] = psxBios_sys_a0_8a;
2668 //biosA0[0x8b] = psxBios_sys_a0_8b;
2669 //biosA0[0x8c] = psxBios_sys_a0_8c;
2670 //biosA0[0x8d] = psxBios_sys_a0_8d;
2671 //biosA0[0x8e] = psxBios_sys_a0_8e;
2672 //biosA0[0x8f] = psxBios_sys_a0_8f;
2673 //biosA0[0x90] = psxBios_sys_a0_90;
2674 //biosA0[0x91] = psxBios_sys_a0_91;
2675 //biosA0[0x92] = psxBios_sys_a0_92;
2676 //biosA0[0x93] = psxBios_sys_a0_93;
2677 //biosA0[0x94] = psxBios_sys_a0_94;
2678 //biosA0[0x95] = psxBios_sys_a0_95;
2679 //biosA0[0x96] = psxBios_AddCDROMDevice;
2680 //biosA0[0x97] = psxBios_AddMemCardDevide;
2681 //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2682 //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2683 //biosA0[0x9a] = psxBios_sys_a0_9a;
2684 //biosA0[0x9b] = psxBios_sys_a0_9b;
2685 //biosA0[0x9c] = psxBios_SetConf;
2686 //biosA0[0x9d] = psxBios_GetConf;
2687 //biosA0[0x9e] = psxBios_sys_a0_9e;
2688 biosA0[0x9f] = psxBios_SetMem;
2689 //biosA0[0xa0] = psxBios__boot;
2690 //biosA0[0xa1] = psxBios_SystemError;
2691 //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2692 //biosA0[0xa3] = psxBios_DequeueCdIntr;
2693 //biosA0[0xa4] = psxBios_sys_a0_a4;
2694 //biosA0[0xa5] = psxBios_ReadSector;
2695 //biosA0[0xa6] = psxBios_get_cd_status;
2696 //biosA0[0xa7] = psxBios_bufs_cb_0;
2697 //biosA0[0xa8] = psxBios_bufs_cb_1;
2698 //biosA0[0xa9] = psxBios_bufs_cb_2;
2699 //biosA0[0xaa] = psxBios_bufs_cb_3;
2700 biosA0[0xab] = psxBios__card_info;
2701 biosA0[0xac] = psxBios__card_load;
2702 //biosA0[0axd] = psxBios__card_auto;
2703 //biosA0[0xae] = psxBios_bufs_cd_4;
2704 //biosA0[0xaf] = psxBios_sys_a0_af;
2705 //biosA0[0xb0] = psxBios_sys_a0_b0;
2706 //biosA0[0xb1] = psxBios_sys_a0_b1;
2707 //biosA0[0xb2] = psxBios_do_a_long_jmp
2708 //biosA0[0xb3] = psxBios_sys_a0_b3;
2709 //biosA0[0xb4] = psxBios_sub_function;
2710 //*******************B0 CALLS****************************
2711 //biosB0[0x00] = psxBios_SysMalloc;
2712 //biosB0[0x01] = psxBios_sys_b0_01;
2713 biosB0[0x02] = psxBios_SetRCnt;
2714 biosB0[0x03] = psxBios_GetRCnt;
2715 biosB0[0x04] = psxBios_StartRCnt;
2716 biosB0[0x05] = psxBios_StopRCnt;
2717 biosB0[0x06] = psxBios_ResetRCnt;
2718 biosB0[0x07] = psxBios_DeliverEvent;
2719 biosB0[0x08] = psxBios_OpenEvent;
2720 biosB0[0x09] = psxBios_CloseEvent;
2721 biosB0[0x0a] = psxBios_WaitEvent;
2722 biosB0[0x0b] = psxBios_TestEvent;
2723 biosB0[0x0c] = psxBios_EnableEvent;
2724 biosB0[0x0d] = psxBios_DisableEvent;
2725 biosB0[0x0e] = psxBios_OpenTh;
2726 biosB0[0x0f] = psxBios_CloseTh;
2727 biosB0[0x10] = psxBios_ChangeTh;
2728 //biosB0[0x11] = psxBios_psxBios_b0_11;
2729 biosB0[0x12] = psxBios_InitPAD;
2730 biosB0[0x13] = psxBios_StartPAD;
2731 biosB0[0x14] = psxBios_StopPAD;
2732 biosB0[0x15] = psxBios_PAD_init;
2733 biosB0[0x16] = psxBios_PAD_dr;
2734 biosB0[0x17] = psxBios_ReturnFromException;
2735 biosB0[0x18] = psxBios_ResetEntryInt;
2736 biosB0[0x19] = psxBios_HookEntryInt;
2737 //biosB0[0x1a] = psxBios_sys_b0_1a;
2738 //biosB0[0x1b] = psxBios_sys_b0_1b;
2739 //biosB0[0x1c] = psxBios_sys_b0_1c;
2740 //biosB0[0x1d] = psxBios_sys_b0_1d;
2741 //biosB0[0x1e] = psxBios_sys_b0_1e;
2742 //biosB0[0x1f] = psxBios_sys_b0_1f;
2743 biosB0[0x20] = psxBios_UnDeliverEvent;
2744 //biosB0[0x21] = psxBios_sys_b0_21;
2745 //biosB0[0x22] = psxBios_sys_b0_22;
2746 //biosB0[0x23] = psxBios_sys_b0_23;
2747 //biosB0[0x24] = psxBios_sys_b0_24;
2748 //biosB0[0x25] = psxBios_sys_b0_25;
2749 //biosB0[0x26] = psxBios_sys_b0_26;
2750 //biosB0[0x27] = psxBios_sys_b0_27;
2751 //biosB0[0x28] = psxBios_sys_b0_28;
2752 //biosB0[0x29] = psxBios_sys_b0_29;
2753 //biosB0[0x2a] = psxBios_sys_b0_2a;
2754 //biosB0[0x2b] = psxBios_sys_b0_2b;
2755 //biosB0[0x2c] = psxBios_sys_b0_2c;
2756 //biosB0[0x2d] = psxBios_sys_b0_2d;
2757 //biosB0[0x2e] = psxBios_sys_b0_2e;
2758 //biosB0[0x2f] = psxBios_sys_b0_2f;
2759 //biosB0[0x30] = psxBios_sys_b0_30;
2760 //biosB0[0x31] = psxBios_sys_b0_31;
2761 biosB0[0x32] = psxBios_open;
2762 biosB0[0x33] = psxBios_lseek;
2763 biosB0[0x34] = psxBios_read;
2764 biosB0[0x35] = psxBios_write;
2765 biosB0[0x36] = psxBios_close;
2766 //biosB0[0x37] = psxBios_ioctl;
2767 //biosB0[0x38] = psxBios_exit;
2768 //biosB0[0x39] = psxBios_sys_b0_39;
2769 //biosB0[0x3a] = psxBios_getc;
2770 //biosB0[0x3b] = psxBios_putc;
2771 biosB0[0x3c] = psxBios_getchar;
2772 //biosB0[0x3e] = psxBios_gets;
2773 //biosB0[0x40] = psxBios_cd;
2774 biosB0[0x41] = psxBios_format;
2775 biosB0[0x42] = psxBios_firstfile;
2776 biosB0[0x43] = psxBios_nextfile;
2777 biosB0[0x44] = psxBios_rename;
2778 biosB0[0x45] = psxBios_delete;
2779 //biosB0[0x46] = psxBios_undelete;
2780 //biosB0[0x47] = psxBios_AddDevice;
2781 //biosB0[0x48] = psxBios_RemoteDevice;
2782 //biosB0[0x49] = psxBios_PrintInstalledDevices;
2783 biosB0[0x4a] = psxBios_InitCARD;
2784 biosB0[0x4b] = psxBios_StartCARD;
2785 biosB0[0x4c] = psxBios_StopCARD;
2786 //biosB0[0x4d] = psxBios_sys_b0_4d;
2787 biosB0[0x4e] = psxBios__card_write;
2788 biosB0[0x4f] = psxBios__card_read;
2789 biosB0[0x50] = psxBios__new_card;
2790 biosB0[0x51] = psxBios_Krom2RawAdd;
2791 //biosB0[0x52] = psxBios_sys_b0_52;
2792 //biosB0[0x53] = psxBios_sys_b0_53;
2793 //biosB0[0x54] = psxBios__get_errno;
2794 //biosB0[0x55] = psxBios__get_error;
2795 biosB0[0x56] = psxBios_GetC0Table;
2796 biosB0[0x57] = psxBios_GetB0Table;
2797 biosB0[0x58] = psxBios__card_chan;
2798 //biosB0[0x59] = psxBios_sys_b0_59;
2799 //biosB0[0x5a] = psxBios_sys_b0_5a;
2800 biosB0[0x5b] = psxBios_ChangeClearPad;
2801 //biosB0[0x5c] = psxBios__card_status;
2802 //biosB0[0x5d] = psxBios__card_wait;
2803 //*******************C0 CALLS****************************
2804 //biosC0[0x00] = psxBios_InitRCnt;
2805 //biosC0[0x01] = psxBios_InitException;
2806 biosC0[0x02] = psxBios_SysEnqIntRP;
2807 biosC0[0x03] = psxBios_SysDeqIntRP;
2808 //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2809 //biosC0[0x05] = psxBios_get_free_TCB_slot;
2810 //biosC0[0x06] = psxBios_ExceptionHandler;
2811 //biosC0[0x07] = psxBios_InstallExeptionHandler;
2812 //biosC0[0x08] = psxBios_SysInitMemory;
2813 //biosC0[0x09] = psxBios_SysInitKMem;
2814 biosC0[0x0a] = psxBios_ChangeClearRCnt;
2815 //biosC0[0x0b] = psxBios_SystemError;
2816 //biosC0[0x0c] = psxBios_InitDefInt;
2817 //biosC0[0x0d] = psxBios_sys_c0_0d;
2818 //biosC0[0x0e] = psxBios_sys_c0_0e;
2819 //biosC0[0x0f] = psxBios_sys_c0_0f;
2820 //biosC0[0x10] = psxBios_sys_c0_10;
2821 //biosC0[0x11] = psxBios_sys_c0_11;
2822 //biosC0[0x12] = psxBios_InstallDevices;
2823 //biosC0[0x13] = psxBios_FlushStfInOutPut;
2824 //biosC0[0x14] = psxBios_sys_c0_14;
2825 //biosC0[0x15] = psxBios__cdevinput;
2826 //biosC0[0x16] = psxBios__cdevscan;
2827 //biosC0[0x17] = psxBios__circgetc;
2828 //biosC0[0x18] = psxBios__circputc;
2829 //biosC0[0x19] = psxBios_ioabort;
2830 //biosC0[0x1a] = psxBios_sys_c0_1a
2831 //biosC0[0x1b] = psxBios_KernelRedirect;
2832 //biosC0[0x1c] = psxBios_PatchAOTable;
2833 //************** THE END ***************************************
2836 size = sizeof(EvCB) * 32;
2837 Event = (void *)&psxR[base]; base += size * 6;
2838 memset(Event, 0, size * 6);
2841 RcEV = Event + 32 * 2;
2842 UeEV = Event + 32 * 3;
2843 SwEV = Event + 32 * 4;
2844 ThEV = Event + 32 * 5;
2846 ptr = (u32 *)&psxM[0x0874]; // b0 table
2847 ptr[0] = SWAPu32(0x4c54 - 0x884);
2849 ptr = (u32 *)&psxM[0x0674]; // c0 table
2850 ptr[6] = SWAPu32(0xc80);
2852 memset(SysIntRP, 0, sizeof(SysIntRP));
2853 memset(Thread, 0, sizeof(Thread));
2854 Thread[0].status = 2; // main thread
2860 pad_buf1len = pad_buf2len = 0;
2865 memset(FDesc, 0, sizeof(FDesc));
2867 psxMu32ref(0x0150) = SWAPu32(0x160);
2868 psxMu32ref(0x0154) = SWAPu32(0x320);
2869 psxMu32ref(0x0160) = SWAPu32(0x248);
2870 strcpy((char *)&psxM[0x248], "bu");
2871 /* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
2872 psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
2873 psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
2874 psxMu32ref(0x09e0) = SWAPu32(0x43d0);
2875 psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
2878 psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
2879 psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
2880 psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
2881 psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
2882 psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
2883 psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
2884 psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
2885 psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
2886 psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
2887 psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
2889 // initial stack pointer for BIOS interrupt
2890 psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
2893 psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
2896 len = 0x80000 - 0x66000;
2897 uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
2898 len = 0x80000 - 0x69d68;
2899 uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
2902 psxHu32ref(0x1060) = SWAPu32(0x00000b88);
2904 hleSoftCall = FALSE;
2907 void psxBiosShutdown() {
2910 #define psxBios_PADpoll(pad) { \
2911 PAD##pad##_startPoll(pad); \
2912 pad_buf##pad[0] = 0; \
2913 pad_buf##pad[1] = PAD##pad##_poll(0x42); \
2914 if (!(pad_buf##pad[1] & 0x0f)) { \
2917 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
2919 PAD##pad##_poll(0); \
2921 while (bufcount--) { \
2922 pad_buf##pad[i++] = PAD##pad##_poll(0); \
2926 void biosInterrupt() {
2929 // if (psxHu32(0x1070) & 0x1) { // Vsync
2930 if (pad_buf != NULL) {
2931 u32 *buf = (u32*)pad_buf;
2933 if (!Config.UseNet) {
2935 if (PAD1_poll(0x42) == 0x23) {
2937 *buf = PAD1_poll(0) << 8;
2938 *buf |= PAD1_poll(0);
2940 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
2941 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
2944 *buf = PAD1_poll(0) << 8;
2945 *buf|= PAD1_poll(0);
2949 if (PAD2_poll(0x42) == 0x23) {
2951 *buf |= PAD2_poll(0) << 24;
2952 *buf |= PAD2_poll(0) << 16;
2954 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
2955 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
2958 *buf |= PAD2_poll(0) << 24;
2959 *buf |= PAD2_poll(0) << 16;
2967 data = PAD1_poll(0) << 8;
2968 data |= PAD1_poll(0);
2970 if (NET_sendPadData(&data, 2) == -1)
2973 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
2975 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
2979 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
2982 if (NET_sendPadData(pad_buf1, i) == -1)
2985 if (NET_recvPadData(pad_buf1, 1) == -1)
2987 if (NET_recvPadData(pad_buf2, 2) == -1)
2999 if (psxHu32(0x1070) & 0x1) { // Vsync
3000 if (RcEV[3][1].status == EvStACTIVE) {
3001 softCall(RcEV[3][1].fhandler);
3002 // hwWrite32(0x1f801070, ~(1));
3006 if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
3009 for (i = 0; i < 3; i++) {
3010 if (psxHu32(0x1070) & (1 << (i + 4))) {
3011 if (RcEV[i][1].status == EvStACTIVE) {
3012 softCall(RcEV[i][1].fhandler);
3014 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
3020 void psxBiosException() {
3023 switch (psxRegs.CP0.n.Cause & 0x3c) {
3024 case 0x00: // Interrupt
3026 // PSXCPU_LOG("interrupt\n");
3030 sp = psxMu32(0x6c80); // create new stack for interrupt handlers
3034 for (i = 0; i < 8; i++) {
3036 u32 *queue = (u32 *)PSXM(SysIntRP[i]);
3043 if (jmp_int != NULL) {
3046 psxHwWrite32(0x1f801070, 0xffffffff);
3051 for (i = 0; i < 8; i++) // s0-s7
3052 psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
3059 psxHwWrite16(0x1f801070, 0);
3062 case 0x20: // Syscall
3064 PSXCPU_LOG("syscall exp %x\n", a0);
3067 case 1: // EnterCritical - disable irq's
3068 /* Fixes Medievil 2 not loading up new game, Digimon World not booting up and possibly others */
3069 v0 = (psxRegs.CP0.n.Status & 0x404) == 0x404;
3070 psxRegs.CP0.n.Status &= ~0x404;
3073 case 2: // ExitCritical - enable irq's
3074 psxRegs.CP0.n.Status |= 0x404;
3077 pc0 = psxRegs.CP0.n.EPC + 4;
3079 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3080 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3085 PSXCPU_LOG("unknown bios exception!\n");
3090 pc0 = psxRegs.CP0.n.EPC;
3091 if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
3093 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3094 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3097 #define bfreeze(ptr, size) { \
3098 if (Mode == 1) memcpy(&psxR[base], ptr, size); \
3099 if (Mode == 0) memcpy(ptr, &psxR[base], size); \
3103 #define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
3104 #define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
3106 #define bfreezepsxMptr(ptr, type) { \
3108 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
3109 else psxRu32ref(base) = 0; \
3111 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
3112 else (ptr) = NULL; \
3114 base += sizeof(u32); \
3117 void psxBiosFreeze(int Mode) {
3120 bfreezepsxMptr(jmp_int, u32);
3121 bfreezepsxMptr(pad_buf, int);
3122 bfreezepsxMptr(pad_buf1, char);
3123 bfreezepsxMptr(pad_buf2, char);
3124 bfreezepsxMptr(heap_addr, u32);
3125 bfreezel(&pad_buf1len);
3126 bfreezel(&pad_buf2len);
3129 bfreezel(&CardState);
3131 bfreezel(&CurThread);
3133 bfreezel(&card_active_chan);