/*************************************************************************** * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the * * Free Software Foundation, Inc., * * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. * ***************************************************************************/ /* * Internal simulated HLE BIOS. */ // TODO: implement all system calls, count the exact CPU cycles of system calls. #include "psxbios.h" #include "psxhw.h" char *biosA0n[256] = { // 0x00 "open", "lseek", "read", "write", "close", "ioctl", "exit", "sys_a0_07", "getc", "putc", "todigit", "atof", "strtoul", "strtol", "abs", "labs", // 0x10 "atoi", "atol", "atob", "setjmp", "longjmp", "strcat", "strncat", "strcmp", "strncmp", "strcpy", "strncpy", "strlen", "index", "rindex", "strchr", "strrchr", // 0x20 "strpbrk", "strspn", "strcspn", "strtok", "strstr", "toupper", "tolower", "bcopy", "bzero", "bcmp", "memcpy", "memset", "memmove", "memcmp", "memchr", "rand", // 0x30 "srand", "qsort", "strtod", "malloc", "free", "lsearch", "bsearch", "calloc", "realloc", "InitHeap", "_exit", "getchar", "putchar", "gets", "puts", "printf", // 0x40 "sys_a0_40", "LoadTest", "Load", "Exec", "FlushCache", "InstallInterruptHandler", "GPU_dw", "mem2vram", "SendGPUStatus", "GPU_cw", "GPU_cwb", "SendPackets", "sys_a0_4c", "GetGPUStatus", "GPU_sync", "sys_a0_4f", // 0x50 "sys_a0_50", "LoadExec", "GetSysSp", "sys_a0_53", "_96_init()", "_bu_init()", "_96_remove()", "sys_a0_57", "sys_a0_58", "sys_a0_59", "sys_a0_5a", "dev_tty_init", "dev_tty_open", "sys_a0_5d", "dev_tty_ioctl","dev_cd_open", // 0x60 "dev_cd_read", "dev_cd_close", "dev_cd_firstfile", "dev_cd_nextfile", "dev_cd_chdir", "dev_card_open", "dev_card_read", "dev_card_write", "dev_card_close", "dev_card_firstfile", "dev_card_nextfile","dev_card_erase", "dev_card_undelete","dev_card_format", "dev_card_rename", "dev_card_6f", // 0x70 "_bu_init", "_96_init", "_96_remove", "sys_a0_73", "sys_a0_74", "sys_a0_75", "sys_a0_76", "sys_a0_77", "_96_CdSeekL", "sys_a0_79", "sys_a0_7a", "sys_a0_7b", "_96_CdGetStatus", "sys_a0_7d", "_96_CdRead", "sys_a0_7f", // 0x80 "sys_a0_80", "sys_a0_81", "sys_a0_82", "sys_a0_83", "sys_a0_84", "_96_CdStop", "sys_a0_86", "sys_a0_87", "sys_a0_88", "sys_a0_89", "sys_a0_8a", "sys_a0_8b", "sys_a0_8c", "sys_a0_8d", "sys_a0_8e", "sys_a0_8f", // 0x90 "sys_a0_90", "sys_a0_91", "sys_a0_92", "sys_a0_93", "sys_a0_94", "sys_a0_95", "AddCDROMDevice", "AddMemCardDevide", "DisableKernelIORedirection", "EnableKernelIORedirection", "sys_a0_9a", "sys_a0_9b", "SetConf", "GetConf", "sys_a0_9e", "SetMem", // 0xa0 "_boot", "SystemError", "EnqueueCdIntr", "DequeueCdIntr", "sys_a0_a4", "ReadSector", "get_cd_status", "bufs_cb_0", "bufs_cb_1", "bufs_cb_2", "bufs_cb_3", "_card_info", "_card_load", "_card_auto", "bufs_cd_4", "sys_a0_af", // 0xb0 "sys_a0_b0", "sys_a0_b1", "do_a_long_jmp", "sys_a0_b3", "?? sub_function", }; char *biosB0n[256] = { // 0x00 "SysMalloc", "sys_b0_01", "sys_b0_02", "sys_b0_03", "sys_b0_04", "sys_b0_05", "sys_b0_06", "DeliverEvent", "OpenEvent", "CloseEvent", "WaitEvent", "TestEvent", "EnableEvent", "DisableEvent", "OpenTh", "CloseTh", // 0x10 "ChangeTh", "sys_b0_11", "InitPAD", "StartPAD", "StopPAD", "PAD_init", "PAD_dr", "ReturnFromExecption", "ResetEntryInt", "HookEntryInt", "sys_b0_1a", "sys_b0_1b", "sys_b0_1c", "sys_b0_1d", "sys_b0_1e", "sys_b0_1f", // 0x20 "UnDeliverEvent", "sys_b0_21", "sys_b0_22", "sys_b0_23", "sys_b0_24", "sys_b0_25", "sys_b0_26", "sys_b0_27", "sys_b0_28", "sys_b0_29", "sys_b0_2a", "sys_b0_2b", "sys_b0_2c", "sys_b0_2d", "sys_b0_2e", "sys_b0_2f", // 0x30 "sys_b0_30", "sys_b0_31", "open", "lseek", "read", "write", "close", "ioctl", "exit", "sys_b0_39", "getc", "putc", "getchar", "putchar", "gets", "puts", // 0x40 "cd", "format", "firstfile", "nextfile", "rename", "delete", "undelete", "AddDevice", "RemoteDevice", "PrintInstalledDevices", "InitCARD", "StartCARD", "StopCARD", "sys_b0_4d", "_card_write", "_card_read", // 0x50 "_new_card", "Krom2RawAdd", "sys_b0_52", "sys_b0_53", "_get_errno", "_get_error", "GetC0Table", "GetB0Table", "_card_chan", "sys_b0_59", "sys_b0_5a", "ChangeClearPAD", "_card_status", "_card_wait", }; char *biosC0n[256] = { // 0x00 "InitRCnt", "InitException", "SysEnqIntRP", "SysDeqIntRP", "get_free_EvCB_slot", "get_free_TCB_slot", "ExceptionHandler", "InstallExeptionHandler", "SysInitMemory", "SysInitKMem", "ChangeClearRCnt", "SystemError", "InitDefInt", "sys_c0_0d", "sys_c0_0e", "sys_c0_0f", // 0x10 "sys_c0_10", "sys_c0_11", "InstallDevices", "FlushStfInOutPut", "sys_c0_14", "_cdevinput", "_cdevscan", "_circgetc", "_circputc", "ioabort", "sys_c0_1a", "KernelRedirect", "PatchAOTable", }; //#define r0 (psxRegs.GPR.n.r0) #define at (psxRegs.GPR.n.at) #define v0 (psxRegs.GPR.n.v0) #define v1 (psxRegs.GPR.n.v1) #define a0 (psxRegs.GPR.n.a0) #define a1 (psxRegs.GPR.n.a1) #define a2 (psxRegs.GPR.n.a2) #define a3 (psxRegs.GPR.n.a3) #define t0 (psxRegs.GPR.n.t0) #define t1 (psxRegs.GPR.n.t1) #define t2 (psxRegs.GPR.n.t2) #define t3 (psxRegs.GPR.n.t3) #define t4 (psxRegs.GPR.n.t4) #define t5 (psxRegs.GPR.n.t5) #define t6 (psxRegs.GPR.n.t6) #define t7 (psxRegs.GPR.n.t7) #define t8 (psxRegs.GPR.n.t8) #define t9 (psxRegs.GPR.n.t9) #define s0 (psxRegs.GPR.n.s0) #define s1 (psxRegs.GPR.n.s1) #define s2 (psxRegs.GPR.n.s2) #define s3 (psxRegs.GPR.n.s3) #define s4 (psxRegs.GPR.n.s4) #define s5 (psxRegs.GPR.n.s5) #define s6 (psxRegs.GPR.n.s6) #define s7 (psxRegs.GPR.n.s7) #define k0 (psxRegs.GPR.n.k0) #define k1 (psxRegs.GPR.n.k1) #define gp (psxRegs.GPR.n.gp) #define sp (psxRegs.GPR.n.sp) #define fp (psxRegs.GPR.n.s8) #define ra (psxRegs.GPR.n.ra) #define pc0 (psxRegs.pc) #define Ra0 ((char *)PSXM(a0)) #define Ra1 ((char *)PSXM(a1)) #define Ra2 ((char *)PSXM(a2)) #define Ra3 ((char *)PSXM(a3)) #define Rv0 ((char *)PSXM(v0)) #define Rsp ((char *)PSXM(sp)) typedef struct { u32 desc; s32 status; s32 mode; u32 fhandler; } EvCB[32]; #define EvStUNUSED 0x0000 #define EvStWAIT 0x1000 #define EvStACTIVE 0x2000 #define EvStALREADY 0x4000 #define EvMdINTR 0x1000 #define EvMdNOINTR 0x2000 /* typedef struct { s32 next; s32 func1; s32 func2; s32 pad; } SysRPst; */ typedef struct { s32 status; s32 mode; u32 reg[32]; u32 func; } TCB; typedef struct { u32 _pc0; u32 gp0; u32 t_addr; u32 t_size; u32 d_addr; u32 d_size; u32 b_addr; u32 b_size; u32 S_addr; u32 s_size; u32 _sp, _fp, _gp, ret, base; } EXEC; struct DIRENTRY { char name[20]; s32 attr; s32 size; struct DIRENTRY *next; s32 head; char system[4]; }; typedef struct { char name[32]; u32 mode; u32 offset; u32 size; u32 mcfile; } FileDesc; static u32 *jmp_int = NULL; static int *pad_buf = NULL; static char *pad_buf1 = NULL, *pad_buf2 = NULL; static int pad_buf1len, pad_buf2len; static u32 regs[35]; static EvCB *Event; static EvCB *HwEV; // 0xf0 static EvCB *EvEV; // 0xf1 static EvCB *RcEV; // 0xf2 static EvCB *UeEV; // 0xf3 static EvCB *SwEV; // 0xf4 static EvCB *ThEV; // 0xff static u32 *heap_addr = NULL; static u32 *heap_end = NULL; static u32 SysIntRP[8]; static int CardState = -1; static TCB Thread[8]; static int CurThread = 0; static FileDesc FDesc[32]; boolean hleSoftCall = FALSE; static inline void softCall(u32 pc) { pc0 = pc; ra = 0x80001000; hleSoftCall = TRUE; while (pc0 != 0x80001000) psxCpu->ExecuteBlock(); hleSoftCall = FALSE; } static inline void softCall2(u32 pc) { u32 sra = ra; pc0 = pc; ra = 0x80001000; hleSoftCall = TRUE; while (pc0 != 0x80001000) psxCpu->ExecuteBlock(); ra = sra; hleSoftCall = FALSE; } static inline void DeliverEvent(u32 ev, u32 spec) { if (Event[ev][spec].status != EvStACTIVE) return; // Event[ev][spec].status = EvStALREADY; if (Event[ev][spec].mode == EvMdINTR) { softCall2(Event[ev][spec].fhandler); } else Event[ev][spec].status = EvStALREADY; } static inline void SaveRegs() { memcpy(regs, psxRegs.GPR.r, 32*4); regs[32] = psxRegs.GPR.n.lo; regs[33] = psxRegs.GPR.n.hi; regs[34] = psxRegs.pc; } static inline void LoadRegs() { memcpy(psxRegs.GPR.r, regs, 32*4); psxRegs.GPR.n.lo = regs[32]; psxRegs.GPR.n.hi = regs[33]; } /* * // * // * // System calls A0 */ void psxBios_abs() { // 0x0e if ((s32)a0 < 0) v0 = -(s32)a0; else v0 = a0; pc0 = ra; } void psxBios_labs() { // 0x0f psxBios_abs(); } void psxBios_atoi() { // 0x10 s32 n = 0, f = 0; char *p = (char *)Ra0; for (;;p++) { switch (*p) { case ' ': case '\t': continue; case '-': f++; case '+': p++; } break; } while (*p >= '0' && *p <= '9') { n = n * 10 + *p++ - '0'; } v0 = (f ? -n : n); pc0 = ra; } void psxBios_atol() { // 0x11 psxBios_atoi(); } void psxBios_setjmp() { // 0x13 u32 *jmp_buf = (u32 *)Ra0; int i; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]); #endif jmp_buf[0] = ra; jmp_buf[1] = sp; jmp_buf[2] = fp; for (i = 0; i < 8; i++) // s0-s7 jmp_buf[3 + i] = psxRegs.GPR.r[16 + i]; jmp_buf[11] = gp; v0 = 0; pc0 = ra; } void psxBios_longjmp() { // 0x14 u32 *jmp_buf = (u32 *)Ra0; int i; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]); #endif ra = jmp_buf[0]; /* ra */ sp = jmp_buf[1]; /* sp */ fp = jmp_buf[2]; /* fp */ for (i = 0; i < 8; i++) // s0-s7 psxRegs.GPR.r[16 + i] = jmp_buf[3 + i]; gp = jmp_buf[11]; /* gp */ v0 = a1; pc0 = ra; } void psxBios_strcat() { // 0x15 char *p1 = (char *)Ra0, *p2 = (char *)Ra1; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1); #endif while (*p1++); --p1; while ((*p1++ = *p2++) != '\0'); v0 = a0; pc0 = ra; } void psxBios_strncat() { // 0x16 char *p1 = (char *)Ra0, *p2 = (char *)Ra1; s32 n = a2; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2); #endif while (*p1++); --p1; while ((*p1++ = *p2++) != '\0') { if (--n < 0) { *--p1 = '\0'; break; } } v0 = a0; pc0 = ra; } void psxBios_strcmp() { // 0x17 char *p1 = (char *)Ra0, *p2 = (char *)Ra1; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1); #endif while (*p1 == *p2++) { if (*p1++ == '\0') { v0 = 0; pc0 = ra; return; } } v0 = (*p1 - *--p2); pc0 = ra; } void psxBios_strncmp() { // 0x18 char *p1 = (char *)Ra0, *p2 = (char *)Ra1; s32 n = a2; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2); #endif while (--n >= 0 && *p1 == *p2++) { if (*p1++ == '\0') { v0 = 0; pc0 = ra; return; } } v0 = (n < 0 ? 0 : *p1 - *--p2); pc0 = ra; } void psxBios_strcpy() { // 0x19 char *p1 = (char *)Ra0, *p2 = (char *)Ra1; while ((*p1++ = *p2++) != '\0'); v0 = a0; pc0 = ra; } void psxBios_strncpy() { // 0x1a char *p1 = (char *)Ra0, *p2 = (char *)Ra1; s32 n = a2, i; for (i = 0; i < n; i++) { if ((*p1++ = *p2++) == '\0') { while (++i < n) { *p1++ = '\0'; } v0 = a0; pc0 = ra; return; } } v0 = a0; pc0 = ra; } void psxBios_strlen() { // 0x1b char *p = (char *)Ra0; v0 = 0; while (*p++) v0++; pc0 = ra; } void psxBios_index() { // 0x1c char *p = (char *)Ra0; do { if (*p == a1) { v0 = a0 + (p - (char *)Ra0); pc0 = ra; return; } } while (*p++ != '\0'); v0 = 0; pc0 = ra; } void psxBios_rindex() { // 0x1d char *p = (char *)Ra0; v0 = 0; do { if (*p == a1) v0 = a0 + (p - (char *)Ra0); } while (*p++ != '\0'); pc0 = ra; } void psxBios_strchr() { // 0x1e psxBios_index(); } void psxBios_strrchr() { // 0x1f psxBios_rindex(); } void psxBios_strpbrk() { // 0x20 char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc; while ((c = *p1++) != '\0') { for (scanp = p2; (sc = *scanp++) != '\0';) { if (sc == c) { v0 = a0 + (p1 - 1 - (char *)Ra0); pc0 = ra; return; } } } // BUG: return a0 instead of NULL if not found v0 = a0; pc0 = ra; } void psxBios_strspn() { // 0x21 char *p1, *p2; for (p1 = (char *)Ra0; *p1 != '\0'; p1++) { for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++); if (*p2 == '\0') break; } v0 = p1 - (char *)Ra0; pc0 = ra; } void psxBios_strcspn() { // 0x22 char *p1, *p2; for (p1 = (char *)Ra0; *p1 != '\0'; p1++) { for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++); if (*p2 != '\0') break; } v0 = p1 - (char *)Ra0; pc0 = ra; } void psxBios_strtok() { // 0x23 char *pcA0 = (char *)Ra0; char *pcRet = strtok(pcA0, (char *)Ra1); if (pcRet) v0 = a0 + pcRet - pcA0; else v0 = 0; pc0 = ra; } void psxBios_strstr() { // 0x24 char *p = (char *)Ra0, *p1, *p2; while (*p != '\0') { p1 = p; p2 = (char *)Ra1; while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) { p1++; p2++; } if (*p2 == '\0') { v0 = a0 + (p - (char *)Ra0); pc0 = ra; return; } p++; } v0 = 0; pc0 = ra; } void psxBios_toupper() { // 0x25 v0 = (s8)(a0 & 0xff); if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A'; pc0 = ra; } void psxBios_tolower() { // 0x26 v0 = (s8)(a0 & 0xff); if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A'; pc0 = ra; } void psxBios_bcopy() { // 0x27 char *p1 = (char *)Ra1, *p2 = (char *)Ra0; while (a2-- > 0) *p1++ = *p2++; pc0 = ra; } void psxBios_bzero() { // 0x28 char *p = (char *)Ra0; while (a1-- > 0) *p++ = '\0'; pc0 = ra; } void psxBios_bcmp() { // 0x29 char *p1 = (char *)Ra0, *p2 = (char *)Ra1; if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; } while (a2-- > 0) { if (*p1++ != *p2++) { v0 = *p1 - *p2; // BUG: compare the NEXT byte pc0 = ra; return; } } v0 = 0; pc0 = ra; } void psxBios_memcpy() { // 0x2a char *p1 = (char *)Ra0, *p2 = (char *)Ra1; while (a2-- > 0) *p1++ = *p2++; v0 = a0; pc0 = ra; } void psxBios_memset() { // 0x2b char *p = (char *)Ra0; while (a2-- > 0) *p++ = (char)a1; v0 = a0; pc0 = ra; } void psxBios_memmove() { // 0x2c char *p1 = (char *)Ra0, *p2 = (char *)Ra1; if (p2 <= p1 && p2 + a2 > p1) { a2++; // BUG: copy one more byte here p1 += a2; p2 += a2; while (a2-- > 0) *--p1 = *--p2; } else { while (a2-- > 0) *p1++ = *p2++; } v0 = a0; pc0 = ra; } void psxBios_memcmp() { // 0x2d psxBios_bcmp(); } void psxBios_memchr() { // 0x2e char *p = (char *)Ra0; while (a2-- > 0) { if (*p++ != (s8)a1) continue; v0 = a0 + (p - (char *)Ra0 - 1); pc0 = ra; return; } v0 = 0; pc0 = ra; } void psxBios_rand() { // 0x2f u32 s = psxMu32(0x9010) * 1103515245 + 12345; v0 = (s >> 16) & 0x7fff; psxMu32ref(0x9010) = SWAPu32(s); pc0 = ra; } void psxBios_srand() { // 0x30 psxMu32ref(0x9010) = SWAPu32(a0); pc0 = ra; } static u32 qscmpfunc, qswidth; static inline int qscmp(char *a, char *b) { u32 sa0 = a0; a0 = sa0 + (a - (char *)PSXM(sa0)); a1 = sa0 + (b - (char *)PSXM(sa0)); softCall2(qscmpfunc); a0 = sa0; return (s32)v0; } static inline void qexchange(char *i, char *j) { char t; int n = qswidth; do { t = *i; *i++ = *j; *j++ = t; } while (--n); } static inline void q3exchange(char *i, char *j, char *k) { char t; int n = qswidth; do { t = *i; *i++ = *k; *k++ = *j; *j++ = t; } while (--n); } static void qsort_main(char *a, char *l) { char *i, *j, *lp, *hp; int c; unsigned int n; start: if ((n = l - a) <= qswidth) return; n = qswidth * (n / (2 * qswidth)); hp = lp = a + n; i = a; j = l - qswidth; while (TRUE) { if (i < lp) { if ((c = qscmp(i, lp)) == 0) { qexchange(i, lp -= qswidth); continue; } if (c < 0) { i += qswidth; continue; } } loop: if (j > hp) { if ((c = qscmp(hp, j)) == 0) { qexchange(hp += qswidth, j); goto loop; } if (c > 0) { if (i == lp) { q3exchange(i, hp += qswidth, j); i = lp += qswidth; goto loop; } qexchange(i, j); j -= qswidth; i += qswidth; continue; } j -= qswidth; goto loop; } if (i == lp) { if (lp - a >= l - hp) { qsort_main(hp + qswidth, l); l = lp; } else { qsort_main(a, lp); a = hp + qswidth; } goto start; } q3exchange(j, lp -= qswidth, i); j = hp -= qswidth; } } void psxBios_qsort() { // 0x31 qswidth = a2; qscmpfunc = a3; qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2); pc0 = ra; } void psxBios_malloc() { // 0x33 unsigned int *chunk, *newchunk; unsigned int dsize, csize, cstat; int colflag; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]); #endif // scan through heap and combine free chunks of space chunk = heap_addr; colflag = 0; while(chunk < heap_end) { // get size and status of actual chunk csize = ((u32)*chunk) & 0xfffffffc; cstat = ((u32)*chunk) & 1; // it's a free chunk if(cstat == 1) { if(colflag == 0) { newchunk = chunk; dsize = csize; colflag = 1; // let's begin a new collection of free memory } else dsize += (csize+4); // add the new size including header } // not a free chunk: did we start a collection ? else { if(colflag == 1) { // collection is over colflag = 0; *newchunk = SWAP32(dsize | 1); } } // next chunk chunk = (u32*)((uptr)chunk + csize + 4); } // if neccessary free memory on end of heap if (colflag == 1) *newchunk = SWAP32(dsize | 1); chunk = heap_addr; csize = ((u32)*chunk) & 0xfffffffc; cstat = ((u32)*chunk) & 1; dsize = (a0 + 3) & 0xfffffffc; // exit on uninitialized heap if (chunk == NULL) { SysPrintf("malloc %x,%x: Uninitialized Heap!\n", v0, a0); v0 = 0; pc0 = ra; return; } // search an unused chunk that is big enough until the end of the heap while ((dsize > csize || cstat == 0) && chunk < heap_end ) { chunk = (u32*)((uptr)chunk + csize + 4); csize = ((u32)*chunk) & 0xfffffffc; cstat = ((u32)*chunk) & 1; } // catch out of memory if(chunk >= heap_end) { SysPrintf("malloc %x,%x: Out of memory error!\n", v0, a0); v0 = 0; pc0 = ra; return; } // allocate memory if(dsize == csize) { // chunk has same size *chunk &= 0xfffffffc; } else { // split free chunk *chunk = SWAP32(dsize); newchunk = (u32*)((uptr)chunk + dsize + 4); *newchunk = SWAP32((csize - dsize - 4) & 0xfffffffc | 1); } // return pointer to allocated memory v0 = ((unsigned long)chunk - (unsigned long)psxM) + 4; v0|= 0x80000000; SysPrintf ("malloc %x,%x\n", v0, a0); pc0 = ra; } void psxBios_free() { // 0x34 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]); #endif SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4)); *(u32*)(Ra0-4) |= 1; // set chunk to free pc0 = ra; } void psxBios_calloc() { // 0x37 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]); #endif a0 = a0 * a1; psxBios_malloc(); memset(Rv0, 0, a0); } void psxBios_realloc() { // 0x38 u32 block = a0; u32 size = a1; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]); #endif a0 = block; psxBios_free(); a0 = size; psxBios_malloc(); } /* InitHeap(void *block , int n) */ void psxBios_InitHeap() { // 0x39 unsigned int size; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]); #endif if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff); else size = a1; size &= 0xfffffffc; heap_addr = (u32 *)Ra0; heap_end = (u32 *)((u8 *)heap_addr + size); *heap_addr = SWAP32(size | 1); //SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (uptr)heap_addr-(uptr)psxM, size); SysPrintf("InitHeap %x,%x : %x\n",a0,a1, size); pc0 = ra; } void psxBios_getchar() { //0x3b v0 = getchar(); pc0 = ra; } void psxBios_printf() { // 0x3f char tmp[1024]; char tmp2[1024]; u32 save[4]; char *ptmp = tmp; int n=1, i=0, j; memcpy(save, (char*)PSXM(sp), 4 * 4); psxMu32ref(sp) = SWAP32((u32)a0); psxMu32ref(sp + 4) = SWAP32((u32)a1); psxMu32ref(sp + 8) = SWAP32((u32)a2); psxMu32ref(sp + 12) = SWAP32((u32)a3); while (Ra0[i]) { switch (Ra0[i]) { case '%': j = 0; tmp2[j++] = '%'; _start: switch (Ra0[++i]) { case '.': case 'l': tmp2[j++] = Ra0[i]; goto _start; default: if (Ra0[i] >= '0' && Ra0[i] <= '9') { tmp2[j++] = Ra0[i]; goto _start; } break; } tmp2[j++] = Ra0[i]; tmp2[j] = 0; switch (Ra0[i]) { case 'f': case 'F': ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break; case 'a': case 'A': case 'e': case 'E': case 'g': case 'G': ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break; case 'p': case 'i': case 'd': case 'D': case 'o': case 'O': case 'x': case 'X': ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break; case 'c': ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break; case 's': ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break; case '%': *ptmp++ = Ra0[i]; break; } i++; break; default: *ptmp++ = Ra0[i++]; } } *ptmp = 0; memcpy((char*)PSXM(sp), save, 4 * 4); SysPrintf("%s", tmp); pc0 = ra; } /* * long Load(char *name, struct EXEC *header); */ void psxBios_Load() { // 0x42 EXE_HEADER eheader; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1); #endif if (LoadCdromFile(Ra0, &eheader) == 0) { memcpy(Ra1, ((char*)&eheader)+16, sizeof(EXEC)); v0 = 1; } else v0 = 0; pc0 = ra; } /* * int Exec(struct EXEC *header , int argc , char **argv); */ void psxBios_Exec() { // 43 EXEC *header = (EXEC*)Ra0; u32 tmp; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2); #endif header->_sp = sp; header->_fp = fp; header->_sp = sp; header->_gp = gp; header->ret = ra; header->base = s0; if (header->S_addr != 0) { tmp = header->S_addr + header->s_size; sp = tmp; fp = sp; } gp = header->gp0; s0 = a0; a0 = a1; a1 = a2; ra = 0x8000; pc0 = header->_pc0; } void psxBios_FlushCache() { // 44 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]); #endif pc0 = ra; } void psxBios_GPU_dw() { // 0x46 int size; s32 *ptr; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]); #endif GPU_writeData(0xa0000000); GPU_writeData((a1<<16)|(a0&0xffff)); GPU_writeData((a3<<16)|(a2&0xffff)); size = (a2*a3+1)/2; ptr = (s32*)PSXM(Rsp[4]); //that is correct? do { GPU_writeData(SWAP32(*ptr)); ptr++; } while(--size); pc0 = ra; } void psxBios_mem2vram() { // 0x47 int size; GPU_writeData(0xa0000000); GPU_writeData((a1<<16)|(a0&0xffff)); GPU_writeData((a3<<16)|(a2&0xffff)); size = (a2*a3+1)/2; GPU_writeStatus(0x04000002); psxHwWrite32(0x1f8010f4,0); psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800); psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy... psxHwWrite32(0x1f8010a4,((size/16)<<16)|16); psxHwWrite32(0x1f8010a8,0x01000201); pc0 = ra; } void psxBios_SendGPU() { // 0x48 GPU_writeStatus(a0); pc0 = ra; } void psxBios_GPU_cw() { // 0x49 GPU_writeData(a0); pc0 = ra; } void psxBios_GPU_cwb() { // 0x4a s32 *ptr = (s32*)Ra0; int size = a1; while(size--) { GPU_writeData(SWAP32(*ptr)); ptr++; } pc0 = ra; } void psxBios_GPU_SendPackets() { //4b: GPU_writeStatus(0x04000002); psxHwWrite32(0x1f8010f4,0); psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800); psxHwWrite32(0x1f8010a0,a0); psxHwWrite32(0x1f8010a4,0); psxHwWrite32(0x1f8010a8,0x010000401); pc0 = ra; } void psxBios_sys_a0_4c() { // 0x4c GPU relate psxHwWrite32(0x1f8010a8,0x00000401); GPU_writeData(0x0400000); GPU_writeData(0x0200000); GPU_writeData(0x0100000); pc0 = ra; } void psxBios_GPU_GetGPUStatus() { // 0x4d v0 = GPU_readStatus(); pc0 = ra; } #undef s_addr void psxBios_LoadExec() { // 51 EXEC *header = (EXEC*)PSXM(0xf000); u32 s_addr, s_size; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2); #endif s_addr = a1; s_size = a2; a1 = 0xf000; psxBios_Load(); header->S_addr = s_addr; header->s_size = s_size; a0 = 0xf000; a1 = 0; a2 = 0; psxBios_Exec(); } void psxBios__bu_init() { // 70 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]); #endif DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 pc0 = ra; } void psxBios__96_init() { // 71 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]); #endif pc0 = ra; } void psxBios__96_remove() { // 72 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]); #endif pc0 = ra; } void psxBios_SetMem() { // 9f u32 new = psxHu32(0x1060); #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1); #endif switch(a0) { case 2: psxHu32ref(0x1060) = SWAP32(new); psxMu32ref(0x060) = a0; SysPrintf("Change effective memory : %d MBytes\n",a0); break; case 8: psxHu32ref(0x1060) = SWAP32(new | 0x300); psxMu32ref(0x060) = a0; SysPrintf("Change effective memory : %d MBytes\n",a0); default: SysPrintf("Effective memory must be 2/8 MBytes\n"); break; } pc0 = ra; } void psxBios__card_info() { // ab #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0); #endif // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 v0 = 1; pc0 = ra; } void psxBios__card_load() { // ac #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0); #endif // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 v0 = 1; pc0 = ra; } /* System calls B0 */ void psxBios_SetRCnt() { // 02 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]); #endif a0&= 0x3; if (a0 != 3) { u32 mode=0; psxRcntWtarget(a0, a1); if (a2&0x1000) mode|= 0x050; // Interrupt Mode if (a2&0x0100) mode|= 0x008; // Count to 0xffff if (a2&0x0010) mode|= 0x001; // Timer stop mode if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode else { if (a2&0x0001) mode|= 0x100; } // System Clock mode psxRcntWmode(a0, mode); } pc0 = ra; } void psxBios_GetRCnt() { // 03 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]); #endif a0&= 0x3; if (a0 != 3) v0 = psxRcntRcount(a0); else v0 = 0; pc0 = ra; } void psxBios_StartRCnt() { // 04 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]); #endif a0&= 0x3; if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4)))); else psxHu32ref(0x1074)|= SWAPu32(0x1); v0 = 1; pc0 = ra; } void psxBios_StopRCnt() { // 05 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]); #endif a0&= 0x3; if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4)))); else psxHu32ref(0x1074)&= SWAPu32(~0x1); pc0 = ra; } void psxBios_ResetRCnt() { // 06 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]); #endif a0&= 0x3; if (a0 != 3) { psxRcntWmode(a0, 0); psxRcntWtarget(a0, 0); psxRcntWcount(a0, 0); } pc0 = ra; } /* gets ev for use with Event */ #define GetEv() \ ev = (a0 >> 24) & 0xf; \ if (ev == 0xf) ev = 0x5; \ ev*= 32; \ ev+= a0&0x1f; /* gets spec for use with Event */ #define GetSpec() \ spec = 0; \ switch (a1) { \ case 0x0301: spec = 16; break; \ case 0x0302: spec = 17; break; \ default: \ for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \ break; \ } void psxBios_DeliverEvent() { // 07 int ev, spec; int i; GetEv(); GetSpec(); #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec); #endif DeliverEvent(ev, spec); pc0 = ra; } void psxBios_OpenEvent() { // 08 int ev, spec; int i; GetEv(); GetSpec(); #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3); #endif Event[ev][spec].status = EvStWAIT; Event[ev][spec].mode = a2; Event[ev][spec].fhandler = a3; v0 = ev | (spec << 8); pc0 = ra; } void psxBios_CloseEvent() { // 09 int ev, spec; ev = a0 & 0xff; spec = (a0 >> 8) & 0xff; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec); #endif Event[ev][spec].status = EvStUNUSED; v0 = 1; pc0 = ra; } void psxBios_WaitEvent() { // 0a int ev, spec; ev = a0 & 0xff; spec = (a0 >> 8) & 0xff; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec); #endif Event[ev][spec].status = EvStACTIVE; v0 = 1; pc0 = ra; } void psxBios_TestEvent() { // 0b int ev, spec; ev = a0 & 0xff; spec = (a0 >> 8) & 0xff; if (Event[ev][spec].status == EvStALREADY) { Event[ev][spec].status = EvStACTIVE; v0 = 1; } else v0 = 0; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0); #endif pc0 = ra; } void psxBios_EnableEvent() { // 0c int ev, spec; ev = a0 & 0xff; spec = (a0 >> 8) & 0xff; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec); #endif Event[ev][spec].status = EvStACTIVE; v0 = 1; pc0 = ra; } void psxBios_DisableEvent() { // 0d int ev, spec; ev = a0 & 0xff; spec = (a0 >> 8) & 0xff; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec); #endif Event[ev][spec].status = EvStWAIT; v0 = 1; pc0 = ra; } /* * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp); */ void psxBios_OpenTh() { // 0e int th; for (th=1; th<8; th++) if (Thread[th].status == 0) break; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th); #endif Thread[th].status = 1; Thread[th].func = a0; Thread[th].reg[29] = a1; Thread[th].reg[28] = a2; v0 = th; pc0 = ra; } /* * int CloseTh(long thread); */ void psxBios_CloseTh() { // 0f int th = a0 & 0xff; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th); #endif if (Thread[th].status == 0) { v0 = 0; } else { Thread[th].status = 0; v0 = 1; } pc0 = ra; } /* * int ChangeTh(long thread); */ void psxBios_ChangeTh() { // 10 int th = a0 & 0xff; #ifdef PSXBIOS_LOG // PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th); #endif if (Thread[th].status == 0 || CurThread == th) { v0 = 0; pc0 = ra; } else { v0 = 1; if (Thread[CurThread].status == 2) { Thread[CurThread].status = 1; Thread[CurThread].func = ra; memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4); } memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4); pc0 = Thread[th].func; Thread[th].status = 2; CurThread = th; } } void psxBios_InitPAD() { // 0x12 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]); #endif pad_buf1 = (char*)Ra0; pad_buf1len = a1; pad_buf2 = (char*)Ra2; pad_buf2len = a3; v0 = 1; pc0 = ra; } void psxBios_StartPAD() { // 13 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]); #endif psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1)); psxRegs.CP0.n.Status |= 0x401; pc0 = ra; } void psxBios_StopPAD() { // 14 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]); #endif pad_buf1 = NULL; pad_buf2 = NULL; pc0 = ra; } void psxBios_PAD_init() { // 15 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]); #endif psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1)); pad_buf = (int *)Ra1; *pad_buf = -1; psxRegs.CP0.n.Status |= 0x401; pc0 = ra; } void psxBios_PAD_dr() { // 16 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]); #endif v0 = -1; pc0 = ra; } void psxBios_ReturnFromException() { // 17 LoadRegs(); pc0 = psxRegs.CP0.n.EPC; if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4; psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) | ((psxRegs.CP0.n.Status & 0x3c) >> 2); } void psxBios_ResetEntryInt() { // 18 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]); #endif jmp_int = NULL; pc0 = ra; } void psxBios_HookEntryInt() { // 19 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]); #endif jmp_int = (u32*)Ra0; pc0 = ra; } void psxBios_UnDeliverEvent() { // 0x20 int ev, spec; int i; GetEv(); GetSpec(); #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec); #endif if (Event[ev][spec].status == EvStALREADY && Event[ev][spec].mode == EvMdNOINTR) Event[ev][spec].status = EvStACTIVE; pc0 = ra; } #define buopen(mcd) { \ strcpy(FDesc[1 + mcd].name, Ra0+5); \ FDesc[1 + mcd].offset = 0; \ FDesc[1 + mcd].mode = a1; \ \ for (i=1; i<16; i++) { \ ptr = Mcd##mcd##Data + 128 * i; \ if ((*ptr & 0xF0) != 0x50) continue; \ if (strcmp(FDesc[1 + mcd].name, ptr+0xa)) continue; \ FDesc[1 + mcd].mcfile = i; \ SysPrintf("open %s\n", ptr+0xa); \ v0 = 1 + mcd; \ break; \ } \ if (a1 & 0x200 && v0 == -1) { /* FCREAT */ \ for (i=1; i<16; i++) { \ int j, xor = 0; \ \ ptr = Mcd##mcd##Data + 128 * i; \ if ((*ptr & 0xF0) == 0x50) continue; \ ptr[0] = 0x50 | (u8)(a1 >> 16); \ ptr[4] = 0x00; \ ptr[5] = 0x20; \ ptr[6] = 0x00; \ ptr[7] = 0x00; \ ptr[8] = 'B'; \ ptr[9] = 'I'; \ strcpy(ptr+0xa, FDesc[1 + mcd].name); \ for (j=0; j<127; j++) xor^= ptr[j]; \ ptr[127] = xor; \ FDesc[1 + mcd].mcfile = i; \ SysPrintf("openC %s\n", ptr); \ v0 = 1 + mcd; \ SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 128); \ break; \ } \ } \ } /* * int open(char *name , int mode); */ void psxBios_open() { // 0x32 int i; char *ptr; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1); #endif v0 = -1; if (!strncmp(Ra0, "bu00", 4)) { buopen(1); } if (!strncmp(Ra0, "bu10", 4)) { buopen(2); } pc0 = ra; } /* * int lseek(int fd , int offset , int whence); */ void psxBios_lseek() { // 0x33 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2); #endif switch (a2) { case 0: // SEEK_SET FDesc[a0].offset = a1; v0 = a1; // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 break; case 1: // SEEK_CUR FDesc[a0].offset+= a1; v0 = FDesc[a0].offset; break; } pc0 = ra; } #define buread(mcd) { \ 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); \ ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \ memcpy(Ra1, ptr, a2); \ if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \ else v0 = a2; \ FDesc[1 + mcd].offset += v0; \ DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \ DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \ } /* * int read(int fd , void *buf , int nbytes); */ void psxBios_read() { // 0x34 char *ptr; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2); #endif v0 = -1; switch (a0) { case 2: buread(1); break; case 3: buread(2); break; } pc0 = ra; } #define buwrite(mcd) { \ u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \ SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \ ptr = Mcd##mcd##Data + offset; \ memcpy(ptr, Ra1, a2); \ FDesc[1 + mcd].offset += a2; \ SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, offset, a2); \ if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \ else v0 = a2; \ DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \ DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \ } /* * int write(int fd , void *buf , int nbytes); */ void psxBios_write() { // 0x35/0x03 char *ptr; if (a0 == 1) { // stdout char *ptr = Ra1; while (a2 > 0) { SysPrintf("%c", *ptr++); a2--; } pc0 = ra; return; } #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2); #endif v0 = -1; switch (a0) { case 2: buwrite(1); break; case 3: buwrite(2); break; } pc0 = ra; } /* * int close(int fd); */ void psxBios_close() { // 0x36 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0); #endif v0 = a0; pc0 = ra; } void psxBios_putchar() { // 3d SysPrintf("%c", (char)a0); pc0 = ra; } void psxBios_puts() { // 3e/3f SysPrintf("%s", Ra0); pc0 = ra; } char ffile[64], *pfile; int nfile; #define bufile(mcd) { \ while (nfile < 16) { \ int match=1; \ \ ptr = Mcd##mcd##Data + 128 * nfile; \ nfile++; \ if ((*ptr & 0xF0) != 0x50) continue; \ ptr+= 0xa; \ if (pfile[0] == 0) { \ strcpy(dir->name, ptr); \ } else for (i=0; i<20; i++) { \ if (pfile[i] == ptr[i]) { \ dir->name[i] = ptr[i]; \ if (ptr[i] == 0) break; else continue; } \ if (pfile[i] == '?') { \ dir->name[i] = ptr[i]; continue; } \ if (pfile[i] == '*') { \ strcpy(dir->name+i, ptr+i); break; } \ match = 0; break; \ } \ SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \ if (match == 0) continue; \ dir->size = 8192; \ v0 = _dir; \ break; \ } \ } /* * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir); */ void psxBios_firstfile() { // 42 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1; u32 _dir = a1; char *ptr; int i; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0); #endif v0 = 0; strcpy(ffile, Ra0); pfile = ffile+5; nfile = 1; if (!strncmp(Ra0, "bu00", 4)) { bufile(1); } if (!strncmp(Ra0, "bu10", 4)) { bufile(2); } pc0 = ra; } /* * struct DIRENTRY* nextfile(struct DIRENTRY *dir); */ void psxBios_nextfile() { // 43 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0; u32 _dir = a0; char *ptr; int i, matched=0; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name); #endif v0 = 0; if (!strncmp(ffile, "bu00", 4)) { bufile(1); } if (!strncmp(ffile, "bu10", 4)) { bufile(2); } pc0 = ra; } #define burename(mcd) { \ for (i=1; i<16; i++) { \ int namelen, j, xor = 0; \ ptr = Mcd##mcd##Data + 128 * i; \ if ((*ptr & 0xF0) != 0x50) continue; \ if (strcmp(Ra0+5, ptr+0xa)) continue; \ namelen = strlen(Ra1+5); \ memcpy(ptr+0xa, Ra1+5, namelen); \ memset(ptr+0xa+namelen, 0, 0x75-namelen); \ for (j=0; j<127; j++) xor^= ptr[j]; \ ptr[127] = xor; \ SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \ v0 = 1; \ break; \ } \ } /* * int rename(char *old, char *new); */ void psxBios_rename() { // 44 char *ptr; int i; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1); #endif v0 = 0; if (!strncmp(Ra0, "bu00", 4) && !strncmp(Ra1, "bu00", 4)) { burename(1); } if (!strncmp(Ra0, "bu10", 4) && !strncmp(Ra1, "bu10", 4)) { burename(2); } pc0 = ra; } #define budelete(mcd) { \ for (i=1; i<16; i++) { \ ptr = Mcd##mcd##Data + 128 * i; \ if ((*ptr & 0xF0) != 0x50) continue; \ if (strcmp(Ra0+5, ptr+0xa)) continue; \ *ptr = (*ptr & 0xf) | 0xA0; \ SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \ SysPrintf("delete %s\n", ptr+0xa); \ v0 = 1; \ break; \ } \ } /* * int delete(char *name); */ void psxBios_delete() { // 45 char *ptr; int i; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0); #endif v0 = 0; if (!strncmp(Ra0, "bu00", 4)) { budelete(1); } if (!strncmp(Ra0, "bu10", 4)) { budelete(2); } pc0 = ra; } void psxBios_InitCARD() { // 4a #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0); #endif CardState = 0; pc0 = ra; } void psxBios_StartCARD() { // 4b #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]); #endif if (CardState == 0) CardState = 1; pc0 = ra; } void psxBios_StopCARD() { // 4c #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]); #endif if (CardState == 1) CardState = 0; pc0 = ra; } void psxBios__card_write() { // 0x4e int port; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2); #endif port = a0 >> 4; if (port == 0) { memcpy(Mcd1Data + a1 * 128, Ra2, 128); SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128); } else { memcpy(Mcd2Data + a1 * 128, Ra2, 128); SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128); } DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 v0 = 1; pc0 = ra; } void psxBios__card_read() { // 0x4f int port; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]); #endif port = a0 >> 4; if (port == 0) { memcpy(Ra2, Mcd1Data + a1 * 128, 128); } else { memcpy(Ra2, Mcd2Data + a1 * 128, 128); } DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 v0 = 1; pc0 = ra; } void psxBios__new_card() { // 0x50 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]); #endif pc0 = ra; } void psxBios_Krom2RawAdd() { // 0x51 int i = 0; const u32 table_8140[][2] = { {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8}, {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a}, {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c}, {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266}, {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e}, {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a}, {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c}, {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca}, {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8}, {0xffff, 0} }; const u32 table_889f[][2] = { {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4}, {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304}, {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14}, {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24}, {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734}, {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344}, {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54}, {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64}, {0xffff, 0} }; if (a0 >= 0x8140 && a0 <= 0x84be) { while (table_8140[i][0] <= a0) i++; a0 -= table_8140[i - 1][0]; v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]); } else if (a0 >= 0x889f && a0 <= 0x9872) { while (table_889f[i][0] <= a0) i++; a0 -= table_889f[i - 1][0]; v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]); } else { v0 = 0xffffffff; } pc0 = ra; } void psxBios_GetC0Table() { // 56 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]); #endif v0 = 0x674; pc0 = ra; } void psxBios_GetB0Table() { // 57 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]); #endif v0 = 0x874; pc0 = ra; } void psxBios_ChangeClearPad() { // 5b #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0); #endif pc0 = ra; } /* System calls C0 */ /* * int SysEnqIntRP(int index , long *queue); */ void psxBios_SysEnqIntRP() { // 02 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0); #endif SysIntRP[a0] = a1; v0 = 0; pc0 = ra; } /* * int SysDeqIntRP(int index , long *queue); */ void psxBios_SysDeqIntRP() { // 03 #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0); #endif SysIntRP[a0] = 0; v0 = 0; pc0 = ra; } void psxBios_ChangeClearRCnt() { // 0a u32 *ptr; #ifdef PSXBIOS_LOG PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1); #endif ptr = (u32*)PSXM((a0 << 2) + 0x8600); v0 = *ptr; *ptr = a1; // psxRegs.CP0.n.Status|= 0x404; pc0 = ra; } void psxBios_dummy() { #ifdef PSXBIOS_LOG PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1); #endif pc0 = ra; } void (*biosA0[256])(); void (*biosB0[256])(); void (*biosC0[256])(); #include "sjisfont.h" void psxBiosInit() { u32 base, size; u32 *ptr; int i; uLongf len; for(i = 0; i < 256; i++) { biosA0[i] = NULL; biosB0[i] = NULL; biosC0[i] = NULL; } biosA0[0x3e] = psxBios_puts; biosA0[0x3f] = psxBios_printf; biosB0[0x3d] = psxBios_putchar; biosB0[0x3f] = psxBios_puts; if (!Config.HLE) return; for(i = 0; i < 256; i++) { if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy; if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy; if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy; } biosA0[0x00] = psxBios_open; biosA0[0x01] = psxBios_lseek; biosA0[0x02] = psxBios_read; biosA0[0x03] = psxBios_write; biosA0[0x04] = psxBios_close; //biosA0[0x05] = psxBios_ioctl; //biosA0[0x06] = psxBios_exit; //biosA0[0x07] = psxBios_sys_a0_07; //biosA0[0x08] = psxBios_getc; //biosA0[0x09] = psxBios_putc; //biosA0[0x0a] = psxBios_todigit; //biosA0[0x0b] = psxBios_atof; //biosA0[0x0c] = psxBios_strtoul; //biosA0[0x0d] = psxBios_strtol; biosA0[0x0e] = psxBios_abs; biosA0[0x0f] = psxBios_labs; biosA0[0x10] = psxBios_atoi; biosA0[0x11] = psxBios_atol; //biosA0[0x12] = psxBios_atob; biosA0[0x13] = psxBios_setjmp; biosA0[0x14] = psxBios_longjmp; biosA0[0x15] = psxBios_strcat; biosA0[0x16] = psxBios_strncat; biosA0[0x17] = psxBios_strcmp; biosA0[0x18] = psxBios_strncmp; biosA0[0x19] = psxBios_strcpy; biosA0[0x1a] = psxBios_strncpy; biosA0[0x1b] = psxBios_strlen; biosA0[0x1c] = psxBios_index; biosA0[0x1d] = psxBios_rindex; biosA0[0x1e] = psxBios_strchr; biosA0[0x1f] = psxBios_strrchr; biosA0[0x20] = psxBios_strpbrk; biosA0[0x21] = psxBios_strspn; biosA0[0x22] = psxBios_strcspn; biosA0[0x23] = psxBios_strtok; biosA0[0x24] = psxBios_strstr; biosA0[0x25] = psxBios_toupper; biosA0[0x26] = psxBios_tolower; biosA0[0x27] = psxBios_bcopy; biosA0[0x28] = psxBios_bzero; biosA0[0x29] = psxBios_bcmp; biosA0[0x2a] = psxBios_memcpy; biosA0[0x2b] = psxBios_memset; biosA0[0x2c] = psxBios_memmove; biosA0[0x2d] = psxBios_memcmp; biosA0[0x2e] = psxBios_memchr; biosA0[0x2f] = psxBios_rand; biosA0[0x30] = psxBios_srand; biosA0[0x31] = psxBios_qsort; //biosA0[0x32] = psxBios_strtod; biosA0[0x33] = psxBios_malloc; biosA0[0x34] = psxBios_free; //biosA0[0x35] = psxBios_lsearch; //biosA0[0x36] = psxBios_bsearch; biosA0[0x37] = psxBios_calloc; biosA0[0x38] = psxBios_realloc; biosA0[0x39] = psxBios_InitHeap; //biosA0[0x3a] = psxBios__exit; biosA0[0x3b] = psxBios_getchar; biosA0[0x3c] = psxBios_putchar; //biosA0[0x3d] = psxBios_gets; //biosA0[0x40] = psxBios_sys_a0_40; //biosA0[0x41] = psxBios_LoadTest; biosA0[0x42] = psxBios_Load; biosA0[0x43] = psxBios_Exec; biosA0[0x44] = psxBios_FlushCache; //biosA0[0x45] = psxBios_InstallInterruptHandler; biosA0[0x46] = psxBios_GPU_dw; biosA0[0x47] = psxBios_mem2vram; biosA0[0x48] = psxBios_SendGPU; biosA0[0x49] = psxBios_GPU_cw; biosA0[0x4a] = psxBios_GPU_cwb; biosA0[0x4b] = psxBios_GPU_SendPackets; biosA0[0x4c] = psxBios_sys_a0_4c; biosA0[0x4d] = psxBios_GPU_GetGPUStatus; //biosA0[0x4e] = psxBios_GPU_sync; //biosA0[0x4f] = psxBios_sys_a0_4f; //biosA0[0x50] = psxBios_sys_a0_50; biosA0[0x51] = psxBios_LoadExec; //biosA0[0x52] = psxBios_GetSysSp; //biosA0[0x53] = psxBios_sys_a0_53; //biosA0[0x54] = psxBios__96_init_a54; //biosA0[0x55] = psxBios__bu_init_a55; //biosA0[0x56] = psxBios__96_remove_a56; //biosA0[0x57] = psxBios_sys_a0_57; //biosA0[0x58] = psxBios_sys_a0_58; //biosA0[0x59] = psxBios_sys_a0_59; //biosA0[0x5a] = psxBios_sys_a0_5a; //biosA0[0x5b] = psxBios_dev_tty_init; //biosA0[0x5c] = psxBios_dev_tty_open; //biosA0[0x5d] = psxBios_sys_a0_5d; //biosA0[0x5e] = psxBios_dev_tty_ioctl; //biosA0[0x5f] = psxBios_dev_cd_open; //biosA0[0x60] = psxBios_dev_cd_read; //biosA0[0x61] = psxBios_dev_cd_close; //biosA0[0x62] = psxBios_dev_cd_firstfile; //biosA0[0x63] = psxBios_dev_cd_nextfile; //biosA0[0x64] = psxBios_dev_cd_chdir; //biosA0[0x65] = psxBios_dev_card_open; //biosA0[0x66] = psxBios_dev_card_read; //biosA0[0x67] = psxBios_dev_card_write; //biosA0[0x68] = psxBios_dev_card_close; //biosA0[0x69] = psxBios_dev_card_firstfile; //biosA0[0x6a] = psxBios_dev_card_nextfile; //biosA0[0x6b] = psxBios_dev_card_erase; //biosA0[0x6c] = psxBios_dev_card_undelete; //biosA0[0x6d] = psxBios_dev_card_format; //biosA0[0x6e] = psxBios_dev_card_rename; //biosA0[0x6f] = psxBios_dev_card_6f; biosA0[0x70] = psxBios__bu_init; biosA0[0x71] = psxBios__96_init; biosA0[0x72] = psxBios__96_remove; //biosA0[0x73] = psxBios_sys_a0_73; //biosA0[0x74] = psxBios_sys_a0_74; //biosA0[0x75] = psxBios_sys_a0_75; //biosA0[0x76] = psxBios_sys_a0_76; //biosA0[0x77] = psxBios_sys_a0_77; //biosA0[0x78] = psxBios__96_CdSeekL; //biosA0[0x79] = psxBios_sys_a0_79; //biosA0[0x7a] = psxBios_sys_a0_7a; //biosA0[0x7b] = psxBios_sys_a0_7b; //biosA0[0x7c] = psxBios__96_CdGetStatus; //biosA0[0x7d] = psxBios_sys_a0_7d; //biosA0[0x7e] = psxBios__96_CdRead; //biosA0[0x7f] = psxBios_sys_a0_7f; //biosA0[0x80] = psxBios_sys_a0_80; //biosA0[0x81] = psxBios_sys_a0_81; //biosA0[0x82] = psxBios_sys_a0_82; //biosA0[0x83] = psxBios_sys_a0_83; //biosA0[0x84] = psxBios_sys_a0_84; //biosA0[0x85] = psxBios__96_CdStop; //biosA0[0x86] = psxBios_sys_a0_86; //biosA0[0x87] = psxBios_sys_a0_87; //biosA0[0x88] = psxBios_sys_a0_88; //biosA0[0x89] = psxBios_sys_a0_89; //biosA0[0x8a] = psxBios_sys_a0_8a; //biosA0[0x8b] = psxBios_sys_a0_8b; //biosA0[0x8c] = psxBios_sys_a0_8c; //biosA0[0x8d] = psxBios_sys_a0_8d; //biosA0[0x8e] = psxBios_sys_a0_8e; //biosA0[0x8f] = psxBios_sys_a0_8f; //biosA0[0x90] = psxBios_sys_a0_90; //biosA0[0x91] = psxBios_sys_a0_91; //biosA0[0x92] = psxBios_sys_a0_92; //biosA0[0x93] = psxBios_sys_a0_93; //biosA0[0x94] = psxBios_sys_a0_94; //biosA0[0x95] = psxBios_sys_a0_95; //biosA0[0x96] = psxBios_AddCDROMDevice; //biosA0[0x97] = psxBios_AddMemCardDevide; //biosA0[0x98] = psxBios_DisableKernelIORedirection; //biosA0[0x99] = psxBios_EnableKernelIORedirection; //biosA0[0x9a] = psxBios_sys_a0_9a; //biosA0[0x9b] = psxBios_sys_a0_9b; //biosA0[0x9c] = psxBios_SetConf; //biosA0[0x9d] = psxBios_GetConf; //biosA0[0x9e] = psxBios_sys_a0_9e; biosA0[0x9f] = psxBios_SetMem; //biosA0[0xa0] = psxBios__boot; //biosA0[0xa1] = psxBios_SystemError; //biosA0[0xa2] = psxBios_EnqueueCdIntr; //biosA0[0xa3] = psxBios_DequeueCdIntr; //biosA0[0xa4] = psxBios_sys_a0_a4; //biosA0[0xa5] = psxBios_ReadSector; //biosA0[0xa6] = psxBios_get_cd_status; //biosA0[0xa7] = psxBios_bufs_cb_0; //biosA0[0xa8] = psxBios_bufs_cb_1; //biosA0[0xa9] = psxBios_bufs_cb_2; //biosA0[0xaa] = psxBios_bufs_cb_3; biosA0[0xab] = psxBios__card_info; biosA0[0xac] = psxBios__card_load; //biosA0[0axd] = psxBios__card_auto; //biosA0[0xae] = psxBios_bufs_cd_4; //biosA0[0xaf] = psxBios_sys_a0_af; //biosA0[0xb0] = psxBios_sys_a0_b0; //biosA0[0xb1] = psxBios_sys_a0_b1; //biosA0[0xb2] = psxBios_do_a_long_jmp //biosA0[0xb3] = psxBios_sys_a0_b3; //biosA0[0xb4] = psxBios_sub_function; //*******************B0 CALLS**************************** //biosB0[0x00] = psxBios_SysMalloc; //biosB0[0x01] = psxBios_sys_b0_01; biosB0[0x02] = psxBios_SetRCnt; biosB0[0x03] = psxBios_GetRCnt; biosB0[0x04] = psxBios_StartRCnt; biosB0[0x05] = psxBios_StopRCnt; biosB0[0x06] = psxBios_ResetRCnt; biosB0[0x07] = psxBios_DeliverEvent; biosB0[0x08] = psxBios_OpenEvent; biosB0[0x09] = psxBios_CloseEvent; biosB0[0x0a] = psxBios_WaitEvent; biosB0[0x0b] = psxBios_TestEvent; biosB0[0x0c] = psxBios_EnableEvent; biosB0[0x0d] = psxBios_DisableEvent; biosB0[0x0e] = psxBios_OpenTh; biosB0[0x0f] = psxBios_CloseTh; biosB0[0x10] = psxBios_ChangeTh; //biosB0[0x11] = psxBios_psxBios_b0_11; biosB0[0x12] = psxBios_InitPAD; biosB0[0x13] = psxBios_StartPAD; biosB0[0x14] = psxBios_StopPAD; biosB0[0x15] = psxBios_PAD_init; biosB0[0x16] = psxBios_PAD_dr; biosB0[0x17] = psxBios_ReturnFromException; biosB0[0x18] = psxBios_ResetEntryInt; biosB0[0x19] = psxBios_HookEntryInt; //biosB0[0x1a] = psxBios_sys_b0_1a; //biosB0[0x1b] = psxBios_sys_b0_1b; //biosB0[0x1c] = psxBios_sys_b0_1c; //biosB0[0x1d] = psxBios_sys_b0_1d; //biosB0[0x1e] = psxBios_sys_b0_1e; //biosB0[0x1f] = psxBios_sys_b0_1f; biosB0[0x20] = psxBios_UnDeliverEvent; //biosB0[0x21] = psxBios_sys_b0_21; //biosB0[0x22] = psxBios_sys_b0_22; //biosB0[0x23] = psxBios_sys_b0_23; //biosB0[0x24] = psxBios_sys_b0_24; //biosB0[0x25] = psxBios_sys_b0_25; //biosB0[0x26] = psxBios_sys_b0_26; //biosB0[0x27] = psxBios_sys_b0_27; //biosB0[0x28] = psxBios_sys_b0_28; //biosB0[0x29] = psxBios_sys_b0_29; //biosB0[0x2a] = psxBios_sys_b0_2a; //biosB0[0x2b] = psxBios_sys_b0_2b; //biosB0[0x2c] = psxBios_sys_b0_2c; //biosB0[0x2d] = psxBios_sys_b0_2d; //biosB0[0x2e] = psxBios_sys_b0_2e; //biosB0[0x2f] = psxBios_sys_b0_2f; //biosB0[0x30] = psxBios_sys_b0_30; //biosB0[0x31] = psxBios_sys_b0_31; biosB0[0x32] = psxBios_open; biosB0[0x33] = psxBios_lseek; biosB0[0x34] = psxBios_read; biosB0[0x35] = psxBios_write; biosB0[0x36] = psxBios_close; //biosB0[0x37] = psxBios_ioctl; //biosB0[0x38] = psxBios_exit; //biosB0[0x39] = psxBios_sys_b0_39; //biosB0[0x3a] = psxBios_getc; //biosB0[0x3b] = psxBios_putc; biosB0[0x3c] = psxBios_getchar; //biosB0[0x3e] = psxBios_gets; //biosB0[0x40] = psxBios_cd; //biosB0[0x41] = psxBios_format; biosB0[0x42] = psxBios_firstfile; biosB0[0x43] = psxBios_nextfile; biosB0[0x44] = psxBios_rename; biosB0[0x45] = psxBios_delete; //biosB0[0x46] = psxBios_undelete; //biosB0[0x47] = psxBios_AddDevice; //biosB0[0x48] = psxBios_RemoteDevice; //biosB0[0x49] = psxBios_PrintInstalledDevices; biosB0[0x4a] = psxBios_InitCARD; biosB0[0x4b] = psxBios_StartCARD; biosB0[0x4c] = psxBios_StopCARD; //biosB0[0x4d] = psxBios_sys_b0_4d; biosB0[0x4e] = psxBios__card_write; biosB0[0x4f] = psxBios__card_read; biosB0[0x50] = psxBios__new_card; biosB0[0x51] = psxBios_Krom2RawAdd; //biosB0[0x52] = psxBios_sys_b0_52; //biosB0[0x53] = psxBios_sys_b0_53; //biosB0[0x54] = psxBios__get_errno; //biosB0[0x55] = psxBios__get_error; biosB0[0x56] = psxBios_GetC0Table; biosB0[0x57] = psxBios_GetB0Table; //biosB0[0x58] = psxBios__card_chan; //biosB0[0x59] = psxBios_sys_b0_59; //biosB0[0x5a] = psxBios_sys_b0_5a; biosB0[0x5b] = psxBios_ChangeClearPad; //biosB0[0x5c] = psxBios__card_status; //biosB0[0x5d] = psxBios__card_wait; //*******************C0 CALLS**************************** //biosC0[0x00] = psxBios_InitRCnt; //biosC0[0x01] = psxBios_InitException; biosC0[0x02] = psxBios_SysEnqIntRP; biosC0[0x03] = psxBios_SysDeqIntRP; //biosC0[0x04] = psxBios_get_free_EvCB_slot; //biosC0[0x05] = psxBios_get_free_TCB_slot; //biosC0[0x06] = psxBios_ExceptionHandler; //biosC0[0x07] = psxBios_InstallExeptionHandler; //biosC0[0x08] = psxBios_SysInitMemory; //biosC0[0x09] = psxBios_SysInitKMem; biosC0[0x0a] = psxBios_ChangeClearRCnt; //biosC0[0x0b] = psxBios_SystemError; //biosC0[0x0c] = psxBios_InitDefInt; //biosC0[0x0d] = psxBios_sys_c0_0d; //biosC0[0x0e] = psxBios_sys_c0_0e; //biosC0[0x0f] = psxBios_sys_c0_0f; //biosC0[0x10] = psxBios_sys_c0_10; //biosC0[0x11] = psxBios_sys_c0_11; //biosC0[0x12] = psxBios_InstallDevices; //biosC0[0x13] = psxBios_FlushStfInOutPut; //biosC0[0x14] = psxBios_sys_c0_14; //biosC0[0x15] = psxBios__cdevinput; //biosC0[0x16] = psxBios__cdevscan; //biosC0[0x17] = psxBios__circgetc; //biosC0[0x18] = psxBios__circputc; //biosC0[0x19] = psxBios_ioabort; //biosC0[0x1a] = psxBios_sys_c0_1a //biosC0[0x1b] = psxBios_KernelRedirect; //biosC0[0x1c] = psxBios_PatchAOTable; //************** THE END *************************************** /**/ base = 0x1000; size = sizeof(EvCB) * 32; Event = (void *)&psxR[base]; base += size * 6; memset(Event, 0, size * 6); HwEV = Event; EvEV = Event + 32; RcEV = Event + 32 * 2; UeEV = Event + 32 * 3; SwEV = Event + 32 * 4; ThEV = Event + 32 * 5; ptr = (u32 *)&psxM[0x0874]; // b0 table ptr[0] = SWAPu32(0x4c54 - 0x884); ptr = (u32 *)&psxM[0x0674]; // c0 table ptr[6] = SWAPu32(0xc80); memset(SysIntRP, 0, sizeof(SysIntRP)); memset(Thread, 0, sizeof(Thread)); Thread[0].status = 2; // main thread psxMu32ref(0x0150) = SWAPu32(0x160); psxMu32ref(0x0154) = SWAPu32(0x320); psxMu32ref(0x0160) = SWAPu32(0x248); strcpy((char *)&psxM[0x248], "bu"); /* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004); psxMu32ref(0x0cf0) = SWAPu32(0x3c020000); psxMu32ref(0x0cf4) = SWAPu32(0x2442641c); psxMu32ref(0x09e0) = SWAPu32(0x43d0); psxMu32ref(0x4d98) = SWAPu32(0x946f000a); */ // opcode HLE psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4); psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0); psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1); psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2); psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3); psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0); psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5); psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0); psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0); psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0); // initial stack pointer for BIOS interrupt psxMu32ref(0x6c80) = SWAPu32(0x000085c8); // initial RNG seed psxMu32ref(0x9010) = SWAPu32(0xac20cc00); // fonts #if 0 len = 0x80000 - 0x66000; uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140)); printf("len=%d\nconst unsigned char font_8140[]={",len); for(int i=0;i 0x20) ? 1 << 6 : 0); *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0); } else { PAD1_poll(0); *buf = PAD1_poll(0) << 8; *buf|= PAD1_poll(0); } PAD2_startPoll(2); if (PAD2_poll(0x42) == 0x23) { PAD2_poll(0); *buf |= PAD2_poll(0) << 24; *buf |= PAD2_poll(0) << 16; PAD2_poll(0); *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0); *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0); } else { PAD2_poll(0); *buf |= PAD2_poll(0) << 24; *buf |= PAD2_poll(0) << 16; } } } { if (pad_buf1) { psxBios_PADpoll(1); } if (pad_buf2) { psxBios_PADpoll(2); } } if (psxHu32(0x1070) & 0x1) { // Vsync if (RcEV[3][1].status == EvStACTIVE) { softCall(RcEV[3][1].fhandler); // hwWrite32(0x1f801070, ~(1)); } } if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2 int i; for (i = 0; i < 3; i++) { if (psxHu32(0x1070) & (1 << (i + 4))) { if (RcEV[i][1].status == EvStACTIVE) { softCall(RcEV[i][1].fhandler); } psxHwWrite32(0x1f801070, ~(1 << (i + 4))); } } } } void psxBiosException() { int i; switch (psxRegs.CP0.n.Cause & 0x3c) { case 0x00: // Interrupt #ifdef PSXCPU_LOG // PSXCPU_LOG("interrupt\n"); #endif SaveRegs(); sp = psxMu32(0x6c80); // create new stack for interrupt handlers biosInterrupt(); for (i = 0; i < 8; i++) { if (SysIntRP[i]) { u32 *queue = (u32 *)PSXM(SysIntRP[i]); s0 = queue[2]; softCall(queue[1]); } } if (jmp_int != NULL) { int i; psxHwWrite32(0x1f801070, 0xffffffff); ra = jmp_int[0]; sp = jmp_int[1]; fp = jmp_int[2]; for (i = 0; i < 8; i++) // s0-s7 psxRegs.GPR.r[16 + i] = jmp_int[3 + i]; gp = jmp_int[11]; v0 = 1; pc0 = ra; return; } psxHwWrite16(0x1f801070, 0); break; case 0x20: // Syscall #ifdef PSXCPU_LOG PSXCPU_LOG("syscall exp %x\n", a0); #endif switch (a0) { case 1: // EnterCritical - disable irq's psxRegs.CP0.n.Status &= ~0x404; v0=1; // HDHOSHY experimental patch: Spongebob, Coldblood, fearEffect, Medievil2, Martian Gothic break; case 2: // ExitCritical - enable irq's psxRegs.CP0.n.Status |= 0x404; break; } pc0 = psxRegs.CP0.n.EPC + 4; psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) | ((psxRegs.CP0.n.Status & 0x3c) >> 2); return; default: #ifdef PSXCPU_LOG PSXCPU_LOG("unknown bios exception!\n"); #endif break; } pc0 = psxRegs.CP0.n.EPC; if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4; psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) | ((psxRegs.CP0.n.Status & 0x3c) >> 2); } #define bfreeze(ptr, size) { \ if (Mode == 1) memcpy(&psxR[base], ptr, size); \ if (Mode == 0) memcpy(ptr, &psxR[base], size); \ base += size; \ } #define bfreezes(ptr) bfreeze(ptr, sizeof(ptr)) #define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr)) #define bfreezepsxMptr(ptr, type) { \ if (Mode == 1) { \ if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \ else psxRu32ref(base) = 0; \ } else { \ if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \ else (ptr) = NULL; \ } \ base += sizeof(u32); \ } void psxBiosFreeze(int Mode) { u32 base = 0x40000; bfreezepsxMptr(jmp_int, u32); bfreezepsxMptr(pad_buf, int); bfreezepsxMptr(pad_buf1, char); bfreezepsxMptr(pad_buf2, char); bfreezepsxMptr(heap_addr, u32); bfreezel(&pad_buf1len); bfreezel(&pad_buf2len); bfreezes(regs); bfreezes(SysIntRP); bfreezel(&CardState); bfreezes(Thread); bfreezel(&CurThread); bfreezes(FDesc); }