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_size = 0;
258 static u32 *heap_addr = NULL;
259 static u32 *heap_end = NULL;
260 static u32 SysIntRP[8];
261 static int CardState = -1;
262 static TCB Thread[8];
263 static int CurThread = 0;
264 static FileDesc FDesc[32];
265 static u32 card_active_chan;
267 boolean hleSoftCall = FALSE;
269 static inline void softCall(u32 pc) {
275 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
280 static inline void softCall2(u32 pc) {
287 while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
293 static inline void DeliverEvent(u32 ev, u32 spec) {
294 if (Event[ev][spec].status != EvStACTIVE) return;
296 // Event[ev][spec].status = EvStALREADY;
297 if (Event[ev][spec].mode == EvMdINTR) {
298 softCall2(Event[ev][spec].fhandler);
299 } else Event[ev][spec].status = EvStALREADY;
302 static inline void SaveRegs() {
303 memcpy(regs, psxRegs.GPR.r, 32*4);
304 regs[32] = psxRegs.GPR.n.lo;
305 regs[33] = psxRegs.GPR.n.hi;
306 regs[34] = psxRegs.pc;
309 static inline void LoadRegs() {
310 memcpy(psxRegs.GPR.r, regs, 32*4);
311 psxRegs.GPR.n.lo = regs[32];
312 psxRegs.GPR.n.hi = regs[33];
318 // System calls A0 */
321 #define buread(Ra1, mcd, length) { \
322 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); \
323 ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
324 memcpy(Ra1, ptr, length); \
325 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
326 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
327 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
329 FDesc[1 + mcd].offset += v0; \
332 #define buwrite(Ra1, mcd, length) { \
333 u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
334 SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \
335 ptr = Mcd##mcd##Data + offset; \
336 memcpy(ptr, Ra1, length); \
337 DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
338 DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
339 FDesc[1 + mcd].offset += length; \
340 if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
345 /* Internally redirects to "FileRead(fd,tempbuf,1)".*/
346 /* For some strange reason, the returned character is sign-expanded; */
347 /* So if a return value of FFFFFFFFh could mean either character FFh, or error. */
348 /* TODO FIX ME : Properly implement this behaviour */
349 void psxBios_getc(void) // 0x03, 0x35
354 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x03]);
360 case 2: buread(pa1, 1, 1); break;
361 case 3: buread(pa1, 2, 1); break;
368 /* Copy of psxBios_write, except size is 1. */
369 void psxBios_putc(void) // 0x09, 0x3B
374 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x09]);
382 if (a0 == 1) { // stdout
383 char *ptr = (char *)pa1;
387 printf("%c", *ptr++); a2--;
393 case 2: buwrite(pa1, 1, 1); break;
394 case 3: buwrite(pa1, 2, 1); break;
400 void psxBios_todigit(void) // 0x0a
404 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x0a]);
407 if (c >= 0x30 && c < 0x3A) {
410 else if (c > 0x60 && c < 0x7B) {
413 else if (c > 0x40 && c < 0x5B) {
416 else if (c >= 0x80) {
427 void psxBios_abs() { // 0x0e
428 if ((s32)a0 < 0) v0 = -(s32)a0;
433 void psxBios_labs() { // 0x0f
437 void psxBios_atoi() { // 0x10
439 char *p = (char *)Ra0;
443 case ' ': case '\t': continue;
450 while (*p >= '0' && *p <= '9') {
451 n = n * 10 + *p++ - '0';
458 void psxBios_atol() { // 0x11
462 void psxBios_setjmp() { // 0x13
463 u32 *jmp_buf = (u32 *)Ra0;
467 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]);
473 for (i = 0; i < 8; i++) // s0-s7
474 jmp_buf[3 + i] = psxRegs.GPR.r[16 + i];
480 void psxBios_longjmp() { // 0x14
481 u32 *jmp_buf = (u32 *)Ra0;
485 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]);
488 ra = jmp_buf[0]; /* ra */
489 sp = jmp_buf[1]; /* sp */
490 fp = jmp_buf[2]; /* fp */
491 for (i = 0; i < 8; i++) // s0-s7
492 psxRegs.GPR.r[16 + i] = jmp_buf[3 + i];
493 gp = jmp_buf[11]; /* gp */
498 void psxBios_strcat() { // 0x15
499 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
502 PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1);
504 if (a0 == 0 || a1 == 0)
512 while ((*p1++ = *p2++) != '\0');
517 void psxBios_strncat() { // 0x16
518 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
522 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2);
524 if (a0 == 0 || a1 == 0)
532 while ((*p1++ = *p2++) != '\0') {
542 void psxBios_strcmp() { // 0x17
543 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
545 if (a0 == 0 && a1 == 0)
551 else if (a0 == 0 && a1 != 0)
557 else if (a0 != 0 && a1 == 0)
564 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1);
567 while (*p1 == *p2++) {
586 void psxBios_strncmp() { // 0x18
587 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
589 if (a0 == 0 && a1 == 0)
595 else if (a0 == 0 && a1 != 0)
601 else if (a0 != 0 && a1 == 0)
608 PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2);
611 while (--n >= 0 && *p1 == *p2++) {
615 v1 = a2 - ((a2-n) - 1);
623 v0 = (n < 0 ? 0 : *p1 - *--p2);
625 v1 = a2 - ((a2-n) - 1);
631 void psxBios_strcpy() { // 0x19
632 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
633 if (a0 == 0 || a1 == 0)
639 while ((*p1++ = *p2++) != '\0');
644 void psxBios_strncpy() { // 0x1a
645 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
647 if (a0 == 0 || a1 == 0)
653 for (i = 0; i < n; i++) {
654 if ((*p1++ = *p2++) == '\0') {
666 void psxBios_strlen() { // 0x1b
667 char *p = (char *)Ra0;
673 void psxBios_index() { // 0x1c
674 char *p = (char *)Ra0;
684 v0 = a0 + (p - (char *)Ra0);
688 } while (*p++ != '\0');
693 void psxBios_rindex() { // 0x1d
694 char *p = (char *)Ra0;
704 v0 = a0 + (p - (char *)Ra0);
705 } while (*p++ != '\0');
710 void psxBios_strchr() { // 0x1e
714 void psxBios_strrchr() { // 0x1f
718 void psxBios_strpbrk() { // 0x20
719 char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc;
721 while ((c = *p1++) != '\0') {
722 for (scanp = p2; (sc = *scanp++) != '\0';) {
724 v0 = a0 + (p1 - 1 - (char *)Ra0);
731 // BUG: return a0 instead of NULL if not found
735 void psxBios_strspn() { // 0x21
738 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
739 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
740 if (*p2 == '\0') break;
743 v0 = p1 - (char *)Ra0; pc0 = ra;
746 void psxBios_strcspn() { // 0x22
749 for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
750 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
751 if (*p2 != '\0') break;
754 v0 = p1 - (char *)Ra0; pc0 = ra;
757 void psxBios_strtok() { // 0x23
758 char *pcA0 = (char *)Ra0;
759 char *pcRet = strtok(pcA0, (char *)Ra1);
761 v0 = a0 + pcRet - pcA0;
767 void psxBios_strstr() { // 0x24
768 char *p = (char *)Ra0, *p1, *p2;
774 while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) {
779 v0 = a0 + (p - (char *)Ra0);
790 void psxBios_toupper() { // 0x25
791 v0 = (s8)(a0 & 0xff);
792 if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A';
796 void psxBios_tolower() { // 0x26
797 v0 = (s8)(a0 & 0xff);
798 if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A';
802 void psxBios_bcopy() { // 0x27
803 char *p1 = (char *)Ra1, *p2 = (char *)Ra0;
805 if (a0 == 0 || a2 > 0x7FFFFFFF)
810 while ((s32)a2-- > 0) *p1++ = *p2++;
815 void psxBios_bzero() { // 0x28
816 char *p = (char *)Ra0;
818 /* Same as memset here (See memset below) */
819 if (a1 > 0x7FFFFFFF || a1 == 0)
830 while ((s32)a1-- > 0) *p++ = '\0';
835 void psxBios_bcmp() { // 0x29
836 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
838 if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; }
840 while ((s32)a2-- > 0) {
841 if (*p1++ != *p2++) {
842 v0 = *p1 - *p2; // BUG: compare the NEXT byte
851 void psxBios_memcpy() { // 0x2a
852 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
855 if (a0 == 0 || a2 > 0x7FFFFFFF)
860 while ((s32)a2-- > 0) {
868 void psxBios_memset() { // 0x2b
869 char *p = (char *)Ra0;
871 if (a2 > 0x7FFFFFFF || a2 == 0)
882 while ((s32)a2-- > 0) *p++ = (char)a1;
887 void psxBios_memmove() { // 0x2c
888 char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
890 if (a0 == 0 || a2 > 0x7FFFFFFF)
895 if (p2 <= p1 && p2 + a2 > p1) {
896 a2++; // BUG: copy one more byte here
899 while ((s32)a2-- > 0) *--p1 = *--p2;
901 while ((s32)a2-- > 0) *p1++ = *p2++;
906 void psxBios_memcmp() { // 0x2d
910 void psxBios_memchr() { // 0x2e
911 char *p = (char *)Ra0;
913 while ((s32)a2-- > 0) {
914 if (*p++ != (s8)a1) continue;
915 v0 = a0 + (p - (char *)Ra0 - 1);
923 void psxBios_rand() { // 0x2f
924 u32 s = psxMu32(0x9010) * 1103515245 + 12345;
925 v0 = (s >> 16) & 0x7fff;
926 psxMu32ref(0x9010) = SWAPu32(s);
930 void psxBios_srand() { // 0x30
931 psxMu32ref(0x9010) = SWAPu32(a0);
935 static u32 qscmpfunc, qswidth;
937 static inline int qscmp(char *a, char *b) {
940 a0 = sa0 + (a - (char *)PSXM(sa0));
941 a1 = sa0 + (b - (char *)PSXM(sa0));
943 softCall2(qscmpfunc);
949 static inline void qexchange(char *i, char *j) {
960 static inline void q3exchange(char *i, char *j, char *k) {
972 static void qsort_main(char *a, char *l) {
973 char *i, *j, *lp, *hp;
978 if ((n = l - a) <= qswidth)
980 n = qswidth * (n / (2 * qswidth));
986 if ((c = qscmp(i, lp)) == 0) {
987 qexchange(i, lp -= qswidth);
998 if ((c = qscmp(hp, j)) == 0) {
999 qexchange(hp += qswidth, j);
1004 q3exchange(i, hp += qswidth, j);
1018 if (lp - a >= l - hp) {
1019 qsort_main(hp + qswidth, l);
1028 q3exchange(j, lp -= qswidth, i);
1033 void psxBios_qsort() { // 0x31
1036 qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
1041 void psxBios_malloc() { // 0x33
1042 unsigned int *chunk, *newchunk = NULL;
1043 unsigned int dsize = 0, csize, cstat;
1046 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
1048 if (!a0 || (!heap_size || !heap_addr)) {
1054 // scan through heap and combine free chunks of space
1057 while(chunk < heap_end) {
1058 // get size and status of actual chunk
1059 csize = ((u32)*chunk) & 0xfffffffc;
1060 cstat = ((u32)*chunk) & 1;
1062 // most probably broken heap descriptor
1063 // this fixes Burning Road
1066 dsize = ((uptr)heap_end - (uptr)chunk) - 4;
1071 // it's a free chunk
1076 colflag = 1; // let's begin a new collection of free memory
1078 else dsize += (csize+4); // add the new size including header
1080 // not a free chunk: did we start a collection ?
1082 if(colflag == 1) { // collection is over
1084 *newchunk = SWAP32(dsize | 1);
1089 chunk = (u32*)((uptr)chunk + csize + 4);
1091 // if neccessary free memory on end of heap
1093 *newchunk = SWAP32(dsize | 1);
1096 csize = ((u32)*chunk) & 0xfffffffc;
1097 cstat = ((u32)*chunk) & 1;
1098 dsize = (a0 + 3) & 0xfffffffc;
1100 // exit on uninitialized heap
1101 if (chunk == NULL) {
1102 printf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
1108 // search an unused chunk that is big enough until the end of the heap
1109 while ((dsize > csize || cstat==0) && chunk < heap_end ) {
1110 chunk = (u32*)((uptr)chunk + csize + 4);
1112 // catch out of memory
1113 if(chunk >= heap_end) {
1114 printf("malloc %x,%x: Out of memory error!\n",
1120 csize = ((u32)*chunk) & 0xfffffffc;
1121 cstat = ((u32)*chunk) & 1;
1125 if(dsize == csize) {
1126 // chunk has same size
1127 *chunk &= 0xfffffffc;
1128 } else if (dsize > csize) {
1133 *chunk = SWAP32(dsize);
1134 newchunk = (u32*)((uptr)chunk + dsize + 4);
1135 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
1138 // return pointer to allocated memory
1139 v0 = ((uptr)chunk - (uptr)psxM) + 4;
1141 //printf ("malloc %x,%x\n", v0, a0);
1145 void psxBios_free() { // 0x34
1148 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
1151 SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
1154 *(u32*)(Ra0-4) |= 1; // set chunk to free
1158 void psxBios_calloc() { // 0x37
1161 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
1171 void psxBios_realloc() { // 0x38
1175 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
1179 /* If "old_buf" is zero, executes malloc(new_size), and returns r2=new_buf (or 0=failed). */
1184 /* Else, if "new_size" is zero, executes free(old_buf), and returns r2=garbage. */
1189 /* Else, executes malloc(new_size), bcopy(old_buf,new_buf,new_size), and free(old_buf), and returns r2=new_buf (or 0=failed). */
1190 /* Note that it is not quite implemented this way here. */
1200 /* InitHeap(void *block , int n) */
1201 void psxBios_InitHeap() { // 0x39
1205 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
1208 if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
1213 heap_addr = (u32 *)Ra0;
1214 heap_end = (u32 *)((u8 *)heap_addr + size);
1215 *heap_addr = SWAP32(size | 1);
1217 SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
1222 void psxBios_getchar() { //0x3b
1223 v0 = getchar(); pc0 = ra;
1226 void psxBios_printf() { // 0x3f
1236 memcpy(save, psp, 4 * 4);
1237 psxMu32ref(sp) = SWAP32((u32)a0);
1238 psxMu32ref(sp + 4) = SWAP32((u32)a1);
1239 psxMu32ref(sp + 8) = SWAP32((u32)a2);
1240 psxMu32ref(sp + 12) = SWAP32((u32)a3);
1252 tmp2[j++] = Ra0[i]; goto _start;
1254 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
1265 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
1269 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
1275 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
1277 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
1279 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1281 *ptmp++ = Ra0[i]; break;
1292 memcpy(psp, save, 4 * 4);
1294 SysPrintf("%s", tmp);
1299 void psxBios_format() { // 0x41
1300 if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0')
1302 CreateMcd(Config.Mcd1);
1303 LoadMcd(1, Config.Mcd1);
1306 else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0')
1308 CreateMcd(Config.Mcd2);
1309 LoadMcd(2, Config.Mcd2);
1320 * long Load(char *name, struct EXEC *header);
1323 void psxBios_Load() { // 0x42
1328 PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1332 if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) {
1333 memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC));
1341 * int Exec(struct EXEC *header , int argc , char **argv);
1344 void psxBios_Exec() { // 43
1345 EXEC *header = (EXEC*)Ra0;
1349 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1359 if (header->S_addr != 0) {
1360 tmp = header->S_addr + header->s_size;
1376 void psxBios_FlushCache() { // 44
1378 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1384 void psxBios_GPU_dw() { // 0x46
1389 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1392 GPU_writeData(0xa0000000);
1393 GPU_writeData((a1<<16)|(a0&0xffff));
1394 GPU_writeData((a3<<16)|(a2&0xffff));
1396 ptr = (s32*)PSXM(Rsp[4]); //that is correct?
1398 GPU_writeData(SWAP32(*ptr));
1405 void psxBios_mem2vram() { // 0x47
1408 GPU_writeData(0xa0000000);
1409 GPU_writeData((a1<<16)|(a0&0xffff));
1410 GPU_writeData((a3<<16)|(a2&0xffff));
1412 GPU_writeStatus(0x04000002);
1413 psxHwWrite32(0x1f8010f4,0);
1414 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1415 psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1416 psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1417 psxHwWrite32(0x1f8010a8,0x01000201);
1422 void psxBios_SendGPU() { // 0x48
1423 GPU_writeStatus(a0);
1428 void psxBios_GPU_cw() { // 0x49
1433 void psxBios_GPU_cwb() { // 0x4a
1434 s32 *ptr = (s32*)Ra0;
1437 GPU_writeData(SWAP32(*ptr));
1444 void psxBios_GPU_SendPackets() { //4b:
1445 GPU_writeStatus(0x04000002);
1446 psxHwWrite32(0x1f8010f4,0);
1447 psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1448 psxHwWrite32(0x1f8010a0,a0);
1449 psxHwWrite32(0x1f8010a4,0);
1450 psxHwWrite32(0x1f8010a8,0x010000401);
1454 void psxBios_sys_a0_4c() { // 0x4c GPU relate
1455 psxHwWrite32(0x1f8010a8,0x00000401);
1456 GPU_writeData(0x0400000);
1457 GPU_writeData(0x0200000);
1458 GPU_writeData(0x0100000);
1463 void psxBios_GPU_GetGPUStatus() { // 0x4d
1464 v0 = GPU_readStatus();
1470 void psxBios_LoadExec() { // 51
1471 EXEC *header = (EXEC*)PSXM(0xf000);
1475 PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1477 s_addr = a1; s_size = a2;
1482 header->S_addr = s_addr;
1483 header->s_size = s_size;
1485 a0 = 0xf000; a1 = 0; a2 = 0;
1489 void psxBios__bu_init() { // 70
1491 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1494 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1495 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1500 void psxBios__96_init() { // 71
1502 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1508 void psxBios__96_remove() { // 72
1510 PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1516 void psxBios_SetMem() { // 9f
1517 u32 new = psxHu32(0x1060);
1520 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1525 psxHu32ref(0x1060) = SWAP32(new);
1526 psxMu32ref(0x060) = a0;
1527 SysPrintf("Change effective memory : %d MBytes\n",a0);
1531 psxHu32ref(0x1060) = SWAP32(new | 0x300);
1532 psxMu32ref(0x060) = a0;
1533 SysPrintf("Change effective memory : %d MBytes\n",a0);
1536 SysPrintf("Effective memory must be 2/8 MBytes\n");
1543 void psxBios__card_info() { // ab
1545 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1548 card_active_chan = a0;
1550 switch (card_active_chan)
1552 case 0x00: case 0x01: case 0x02: case 0x03:
1553 ret = Config.Mcd1[0] ? 0x2 : 0x8;
1555 case 0x10: case 0x11: case 0x12: case 0x13:
1556 ret = Config.Mcd2[0] ? 0x2 : 0x8;
1560 PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan);
1566 // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1567 // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1568 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1569 DeliverEvent(0x81, ret); // 0xf4000001, 0x0004
1574 void psxBios__card_load() { // ac
1576 PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1579 card_active_chan = a0;
1581 // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1582 DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1587 /* System calls B0 */
1589 void psxBios_SetRCnt() { // 02
1591 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1598 psxRcntWtarget(a0, a1);
1599 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1600 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1601 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1602 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1603 else { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1605 psxRcntWmode(a0, mode);
1610 void psxBios_GetRCnt() { // 03
1612 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1616 if (a0 != 3) v0 = psxRcntRcount(a0);
1621 void psxBios_StartRCnt() { // 04
1623 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1627 if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1628 else psxHu32ref(0x1074)|= SWAPu32(0x1);
1632 void psxBios_StopRCnt() { // 05
1634 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1638 if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1639 else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1643 void psxBios_ResetRCnt() { // 06
1645 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1650 psxRcntWmode(a0, 0);
1651 psxRcntWtarget(a0, 0);
1652 psxRcntWcount(a0, 0);
1658 /* gets ev for use with Event */
1660 ev = (a0 >> 24) & 0xf; \
1661 if (ev == 0xf) ev = 0x5; \
1665 /* gets spec for use with Event */
1669 case 0x0301: spec = 16; break; \
1670 case 0x0302: spec = 17; break; \
1672 for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1676 void psxBios_DeliverEvent() { // 07
1684 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1687 DeliverEvent(ev, spec);
1692 void psxBios_OpenEvent() { // 08
1700 PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1703 Event[ev][spec].status = EvStWAIT;
1704 Event[ev][spec].mode = a2;
1705 Event[ev][spec].fhandler = a3;
1707 v0 = ev | (spec << 8);
1711 void psxBios_CloseEvent() { // 09
1715 spec = (a0 >> 8) & 0xff;
1718 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1721 Event[ev][spec].status = EvStUNUSED;
1726 void psxBios_WaitEvent() { // 0a
1730 spec = (a0 >> 8) & 0xff;
1732 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1734 if (Event[ev][spec].status == EvStUNUSED)
1741 if (Event[ev][spec].status == EvStALREADY)
1743 /* Callback events (mode=EvMdINTR) do never set the ready flag (and thus WaitEvent would hang forever). */
1744 if (!(Event[ev][spec].mode == EvMdINTR)) Event[ev][spec].status = EvStACTIVE;
1754 void psxBios_TestEvent() { // 0b
1758 spec = (a0 >> 8) & 0xff;
1760 if (Event[ev][spec].status == EvStALREADY) {
1761 Event[ev][spec].status = EvStACTIVE; v0 = 1;
1765 PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1771 void psxBios_EnableEvent() { // 0c
1775 spec = (a0 >> 8) & 0xff;
1778 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1781 Event[ev][spec].status = EvStACTIVE;
1786 void psxBios_DisableEvent() { // 0d
1790 spec = (a0 >> 8) & 0xff;
1793 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1796 Event[ev][spec].status = EvStWAIT;
1802 * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1805 void psxBios_OpenTh() { // 0e
1808 for (th=1; th<8; th++)
1810 if (Thread[th].status == 0) break;
1814 // Feb 2019 - Added out-of-bounds fix caught by cppcheck:
1815 // When no free TCB is found, return 0xffffffff according to Nocash doc.
1817 PSXBIOS_LOG("\t%s() WARNING! No Free TCBs found!\n", __func__);
1824 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1827 Thread[th].status = 1;
1828 Thread[th].func = a0;
1829 Thread[th].reg[29] = a1;
1830 Thread[th].reg[28] = a2;
1836 * int CloseTh(long thread);
1839 void psxBios_CloseTh() { // 0f
1843 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1846 if (Thread[th].status == 0) {
1849 Thread[th].status = 0;
1857 * int ChangeTh(long thread);
1860 void psxBios_ChangeTh() { // 10
1864 // PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1867 if (Thread[th].status == 0 || CurThread == th) {
1874 if (Thread[CurThread].status == 2) {
1875 Thread[CurThread].status = 1;
1876 Thread[CurThread].func = ra;
1877 memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1880 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1881 pc0 = Thread[th].func;
1882 Thread[th].status = 2;
1887 void psxBios_InitPAD() { // 0x12
1889 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1892 pad_buf1 = (char*)Ra0;
1894 pad_buf2 = (char*)Ra2;
1900 void psxBios_StartPAD() { // 13
1902 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1905 psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1906 psxRegs.CP0.n.Status |= 0x401;
1910 void psxBios_StopPAD() { // 14
1912 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1921 void psxBios_PAD_init() { // 15
1923 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1925 if (!(a0 == 0x20000000 || a0 == 0x20000001))
1931 psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1932 pad_buf = (int *)Ra1;
1934 psxRegs.CP0.n.Status |= 0x401;
1939 void psxBios_PAD_dr() { // 16
1941 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1947 void psxBios_ReturnFromException() { // 17
1950 pc0 = psxRegs.CP0.n.EPC;
1951 if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1953 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1954 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1957 void psxBios_ResetEntryInt() { // 18
1959 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1966 void psxBios_HookEntryInt() { // 19
1968 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
1971 jmp_int = (u32*)Ra0;
1975 void psxBios_UnDeliverEvent() { // 0x20
1983 PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
1986 if (Event[ev][spec].status == EvStALREADY &&
1987 Event[ev][spec].mode == EvMdNOINTR)
1988 Event[ev][spec].status = EvStACTIVE;
1993 char ffile[64], *pfile;
1995 static void buopen(int mcd, u8 *ptr, u8 *cfg)
2000 strcpy(FDesc[1 + mcd].name, Ra0+5);
2001 FDesc[1 + mcd].offset = 0;
2002 FDesc[1 + mcd].mode = a1;
2004 for (i=1; i<16; i++) {
2006 if ((*fptr & 0xF0) != 0x50) continue;
2007 if (strcmp(FDesc[1 + mcd].name, fptr+0xa)) continue;
2008 FDesc[1 + mcd].mcfile = i;
2009 SysPrintf("open %s\n", fptr+0xa);
2013 if (a1 & 0x200 && v0 == -1) { /* FCREAT */
2015 for (i=1; i<16; i++) {
2016 int j, xor, nblk = a1 >> 16;
2020 if ((*fptr & 0xF0) != 0xa0) continue;
2022 FDesc[1 + mcd].mcfile = i;
2025 fptr[5] = 0x20 * nblk;
2028 strcpy(fptr+0xa, FDesc[1 + mcd].name);
2029 pptr = fptr2 = fptr;
2030 for(j=2; j<=nblk; j++) {
2032 for(i++; i<16; i++) {
2035 memset(fptr2, 0, 128);
2036 fptr2[0] = j < nblk ? 0x52 : 0x53;
2039 for (k=0, xor=0; k<127; k++) xor^= pptr[k];
2044 /* shouldn't this return ENOSPC if i == 16? */
2046 pptr[8] = pptr[9] = 0xff;
2047 for (j=0, xor=0; j<127; j++) xor^= pptr[j];
2049 SysPrintf("openC %s %d\n", ptr, nblk);
2051 /* just go ahead and resave them all */
2052 SaveMcd(cfg, ptr, 128, 128 * 15);
2055 /* shouldn't this return ENOSPC if i == 16? */
2060 * int open(char *name , int mode);
2063 void psxBios_open() { // 0x32
2069 PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
2075 if (!strncmp(pa0, "bu00", 4)) {
2076 buopen(1, Mcd1Data, Config.Mcd1);
2079 if (!strncmp(pa0, "bu10", 4)) {
2080 buopen(2, Mcd2Data, Config.Mcd2);
2088 * int lseek(int fd , int offset , int whence);
2091 void psxBios_lseek() { // 0x33
2093 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
2098 FDesc[a0].offset = a1;
2100 // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2101 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2105 FDesc[a0].offset+= a1;
2106 v0 = FDesc[a0].offset;
2115 * int read(int fd , void *buf , int nbytes);
2118 void psxBios_read() { // 0x34
2123 PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
2130 case 2: buread(pa1, 1, a2); break;
2131 case 3: buread(pa1, 2, a2); break;
2139 * int write(int fd , void *buf , int nbytes);
2142 void psxBios_write() { // 0x35/0x03
2147 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
2156 if (a0 == 1) { // stdout
2161 SysPrintf("%c", *ptr++); a2--;
2167 case 2: buwrite(pa1, 1, a2); break;
2168 case 3: buwrite(pa1, 2, a2); break;
2175 * int close(int fd);
2178 void psxBios_close() { // 0x36
2180 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
2187 void psxBios_putchar() { // 3d
2188 SysPrintf("%c", (char)a0);
2192 void psxBios_puts() { // 3e/3f
2193 SysPrintf("%s", Ra0);
2197 char ffile[64], *pfile;
2200 #define bufile(mcd) { \
2201 while (nfile < 16) { \
2204 ptr = Mcd##mcd##Data + 128 * (nfile + 1); \
2206 if ((*ptr & 0xF0) != 0x50) continue; \
2207 /* Bug link files show up as free block. */ \
2208 if (!ptr[0xa]) continue; \
2210 if (pfile[0] == 0) { \
2211 strncpy(dir->name, ptr, sizeof(dir->name)); \
2212 dir->name[sizeof(dir->name) - 1] = '\0'; \
2213 } else for (i=0; i<20; i++) { \
2214 if (pfile[i] == ptr[i]) { \
2215 dir->name[i] = ptr[i]; continue; } \
2216 if (pfile[i] == '?') { \
2217 dir->name[i] = ptr[i]; continue; } \
2218 if (pfile[i] == '*') { \
2219 strcpy(dir->name+i, ptr+i); break; } \
2222 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
2223 if (match == 0) { continue; } \
2231 * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
2234 void psxBios_firstfile() { // 42
2235 struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
2242 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
2251 if (!strncmp(pa0, "bu00", 4)) {
2252 // firstfile() calls _card_read() internally, so deliver it's event
2253 DeliverEvent(0x11, 0x2);
2255 } else if (!strncmp(pa0, "bu10", 4)) {
2256 // firstfile() calls _card_read() internally, so deliver it's event
2257 DeliverEvent(0x11, 0x2);
2266 * struct DIRENTRY* nextfile(struct DIRENTRY *dir);
2269 void psxBios_nextfile() { // 43
2270 struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
2276 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
2281 if (!strncmp(ffile, "bu00", 4)) {
2285 if (!strncmp(ffile, "bu10", 4)) {
2292 #define burename(mcd) { \
2293 for (i=1; i<16; i++) { \
2294 int namelen, j, xor = 0; \
2295 ptr = Mcd##mcd##Data + 128 * i; \
2296 if ((*ptr & 0xF0) != 0x50) continue; \
2297 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2298 namelen = strlen(Ra1+5); \
2299 memcpy(ptr+0xa, Ra1+5, namelen); \
2300 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
2301 for (j=0; j<127; j++) xor^= ptr[j]; \
2303 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
2310 * int rename(char *old, char *new);
2313 void psxBios_rename() { // 44
2320 PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
2326 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
2330 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
2339 #define budelete(mcd) { \
2340 for (i=1; i<16; i++) { \
2341 ptr = Mcd##mcd##Data + 128 * i; \
2342 if ((*ptr & 0xF0) != 0x50) continue; \
2343 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2344 *ptr = (*ptr & 0xf) | 0xA0; \
2345 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
2346 SysPrintf("delete %s\n", ptr+0xa); \
2353 * int delete(char *name);
2356 void psxBios_delete() { // 45
2362 PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2368 if (!strncmp(pa0, "bu00", 4)) {
2372 if (!strncmp(pa0, "bu10", 4)) {
2380 void psxBios_InitCARD() { // 4a
2382 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2390 void psxBios_StartCARD() { // 4b
2392 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2395 if (CardState == 0) CardState = 1;
2400 void psxBios_StopCARD() { // 4c
2402 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2405 if (CardState == 1) CardState = 0;
2410 void psxBios__card_write() { // 0x4e
2415 PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2417 /* Function also accepts sector 400h (a bug) */
2420 /* Invalid sectors */
2424 card_active_chan = a0;
2429 memcpy(Mcd1Data + a1 * 128, pa2, 128);
2430 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2432 memcpy(Mcd2Data + a1 * 128, pa2, 128);
2433 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2437 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2438 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2443 void psxBios__card_read() { // 0x4f
2448 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2450 /* Function also accepts sector 400h (a bug) */
2453 /* Invalid sectors */
2457 card_active_chan = a0;
2462 memcpy(pa2, Mcd1Data + a1 * 128, 128);
2464 memcpy(pa2, Mcd2Data + a1 * 128, 128);
2468 DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2469 // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2474 void psxBios__new_card() { // 0x50
2476 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2482 /* According to a user, this allows Final Fantasy Tactics to save/load properly */
2483 void psxBios__get_error(void) // 55
2489 void psxBios_Krom2RawAdd() { // 0x51
2492 const u32 table_8140[][2] = {
2493 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2494 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2495 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2496 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2497 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2498 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2499 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2500 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2501 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2505 const u32 table_889f[][2] = {
2506 {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4},
2507 {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304},
2508 {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14},
2509 {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24},
2510 {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734},
2511 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2512 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2513 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2517 if (a0 >= 0x8140 && a0 <= 0x84be) {
2518 while (table_8140[i][0] <= a0) i++;
2519 a0 -= table_8140[i - 1][0];
2520 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2521 } else if (a0 >= 0x889f && a0 <= 0x9872) {
2522 while (table_889f[i][0] <= a0) i++;
2523 a0 -= table_889f[i - 1][0];
2524 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2532 void psxBios_GetC0Table() { // 56
2534 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2537 v0 = 0x674; pc0 = ra;
2540 void psxBios_GetB0Table() { // 57
2542 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2545 v0 = 0x874; pc0 = ra;
2548 void psxBios__card_chan() { // 0x58
2550 PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2553 v0 = card_active_chan;
2557 void psxBios_ChangeClearPad() { // 5b
2559 PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2565 /* System calls C0 */
2568 * int SysEnqIntRP(int index , long *queue);
2571 void psxBios_SysEnqIntRP() { // 02
2573 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2582 * int SysDeqIntRP(int index , long *queue);
2585 void psxBios_SysDeqIntRP() { // 03
2587 PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2595 void psxBios_ChangeClearRCnt() { // 0a
2599 PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2602 ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2606 // psxRegs.CP0.n.Status|= 0x404;
2610 void psxBios_dummy() {
2612 PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2617 void (*biosA0[256])();
2618 void (*biosB0[256])();
2619 void (*biosC0[256])();
2621 #include "sjisfont.h"
2623 void psxBiosInit() {
2629 for(i = 0; i < 256; i++) {
2634 biosA0[0x3e] = psxBios_puts;
2635 biosA0[0x3f] = psxBios_printf;
2637 biosB0[0x3d] = psxBios_putchar;
2638 biosB0[0x3f] = psxBios_puts;
2640 if (!Config.HLE) return;
2642 for(i = 0; i < 256; i++) {
2643 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2644 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2645 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2648 biosA0[0x00] = psxBios_open;
2649 biosA0[0x01] = psxBios_lseek;
2650 biosA0[0x02] = psxBios_read;
2651 biosA0[0x03] = psxBios_write;
2652 biosA0[0x04] = psxBios_close;
2653 //biosA0[0x05] = psxBios_ioctl;
2654 //biosA0[0x06] = psxBios_exit;
2655 //biosA0[0x07] = psxBios_sys_a0_07;
2656 biosA0[0x08] = psxBios_getc;
2657 biosA0[0x09] = psxBios_putc;
2658 biosA0[0x0a] = psxBios_todigit;
2659 //biosA0[0x0b] = psxBios_atof;
2660 //biosA0[0x0c] = psxBios_strtoul;
2661 //biosA0[0x0d] = psxBios_strtol;
2662 biosA0[0x0e] = psxBios_abs;
2663 biosA0[0x0f] = psxBios_labs;
2664 biosA0[0x10] = psxBios_atoi;
2665 biosA0[0x11] = psxBios_atol;
2666 //biosA0[0x12] = psxBios_atob;
2667 biosA0[0x13] = psxBios_setjmp;
2668 biosA0[0x14] = psxBios_longjmp;
2669 biosA0[0x15] = psxBios_strcat;
2670 biosA0[0x16] = psxBios_strncat;
2671 biosA0[0x17] = psxBios_strcmp;
2672 biosA0[0x18] = psxBios_strncmp;
2673 biosA0[0x19] = psxBios_strcpy;
2674 biosA0[0x1a] = psxBios_strncpy;
2675 biosA0[0x1b] = psxBios_strlen;
2676 biosA0[0x1c] = psxBios_index;
2677 biosA0[0x1d] = psxBios_rindex;
2678 biosA0[0x1e] = psxBios_strchr;
2679 biosA0[0x1f] = psxBios_strrchr;
2680 biosA0[0x20] = psxBios_strpbrk;
2681 biosA0[0x21] = psxBios_strspn;
2682 biosA0[0x22] = psxBios_strcspn;
2683 biosA0[0x23] = psxBios_strtok;
2684 biosA0[0x24] = psxBios_strstr;
2685 biosA0[0x25] = psxBios_toupper;
2686 biosA0[0x26] = psxBios_tolower;
2687 biosA0[0x27] = psxBios_bcopy;
2688 biosA0[0x28] = psxBios_bzero;
2689 biosA0[0x29] = psxBios_bcmp;
2690 biosA0[0x2a] = psxBios_memcpy;
2691 biosA0[0x2b] = psxBios_memset;
2692 biosA0[0x2c] = psxBios_memmove;
2693 biosA0[0x2d] = psxBios_memcmp;
2694 biosA0[0x2e] = psxBios_memchr;
2695 biosA0[0x2f] = psxBios_rand;
2696 biosA0[0x30] = psxBios_srand;
2697 biosA0[0x31] = psxBios_qsort;
2698 //biosA0[0x32] = psxBios_strtod;
2699 biosA0[0x33] = psxBios_malloc;
2700 biosA0[0x34] = psxBios_free;
2701 //biosA0[0x35] = psxBios_lsearch;
2702 //biosA0[0x36] = psxBios_bsearch;
2703 biosA0[0x37] = psxBios_calloc;
2704 biosA0[0x38] = psxBios_realloc;
2705 biosA0[0x39] = psxBios_InitHeap;
2706 //biosA0[0x3a] = psxBios__exit;
2707 biosA0[0x3b] = psxBios_getchar;
2708 biosA0[0x3c] = psxBios_putchar;
2709 //biosA0[0x3d] = psxBios_gets;
2710 //biosA0[0x40] = psxBios_sys_a0_40;
2711 //biosA0[0x41] = psxBios_LoadTest;
2712 biosA0[0x42] = psxBios_Load;
2713 biosA0[0x43] = psxBios_Exec;
2714 biosA0[0x44] = psxBios_FlushCache;
2715 //biosA0[0x45] = psxBios_InstallInterruptHandler;
2716 biosA0[0x46] = psxBios_GPU_dw;
2717 biosA0[0x47] = psxBios_mem2vram;
2718 biosA0[0x48] = psxBios_SendGPU;
2719 biosA0[0x49] = psxBios_GPU_cw;
2720 biosA0[0x4a] = psxBios_GPU_cwb;
2721 biosA0[0x4b] = psxBios_GPU_SendPackets;
2722 biosA0[0x4c] = psxBios_sys_a0_4c;
2723 biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2724 //biosA0[0x4e] = psxBios_GPU_sync;
2725 //biosA0[0x4f] = psxBios_sys_a0_4f;
2726 //biosA0[0x50] = psxBios_sys_a0_50;
2727 biosA0[0x51] = psxBios_LoadExec;
2728 //biosA0[0x52] = psxBios_GetSysSp;
2729 //biosA0[0x53] = psxBios_sys_a0_53;
2730 //biosA0[0x54] = psxBios__96_init_a54;
2731 //biosA0[0x55] = psxBios__bu_init_a55;
2732 //biosA0[0x56] = psxBios__96_remove_a56;
2733 //biosA0[0x57] = psxBios_sys_a0_57;
2734 //biosA0[0x58] = psxBios_sys_a0_58;
2735 //biosA0[0x59] = psxBios_sys_a0_59;
2736 //biosA0[0x5a] = psxBios_sys_a0_5a;
2737 //biosA0[0x5b] = psxBios_dev_tty_init;
2738 //biosA0[0x5c] = psxBios_dev_tty_open;
2739 //biosA0[0x5d] = psxBios_sys_a0_5d;
2740 //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2741 //biosA0[0x5f] = psxBios_dev_cd_open;
2742 //biosA0[0x60] = psxBios_dev_cd_read;
2743 //biosA0[0x61] = psxBios_dev_cd_close;
2744 //biosA0[0x62] = psxBios_dev_cd_firstfile;
2745 //biosA0[0x63] = psxBios_dev_cd_nextfile;
2746 //biosA0[0x64] = psxBios_dev_cd_chdir;
2747 //biosA0[0x65] = psxBios_dev_card_open;
2748 //biosA0[0x66] = psxBios_dev_card_read;
2749 //biosA0[0x67] = psxBios_dev_card_write;
2750 //biosA0[0x68] = psxBios_dev_card_close;
2751 //biosA0[0x69] = psxBios_dev_card_firstfile;
2752 //biosA0[0x6a] = psxBios_dev_card_nextfile;
2753 //biosA0[0x6b] = psxBios_dev_card_erase;
2754 //biosA0[0x6c] = psxBios_dev_card_undelete;
2755 //biosA0[0x6d] = psxBios_dev_card_format;
2756 //biosA0[0x6e] = psxBios_dev_card_rename;
2757 //biosA0[0x6f] = psxBios_dev_card_6f;
2758 biosA0[0x70] = psxBios__bu_init;
2759 biosA0[0x71] = psxBios__96_init;
2760 biosA0[0x72] = psxBios__96_remove;
2761 //biosA0[0x73] = psxBios_sys_a0_73;
2762 //biosA0[0x74] = psxBios_sys_a0_74;
2763 //biosA0[0x75] = psxBios_sys_a0_75;
2764 //biosA0[0x76] = psxBios_sys_a0_76;
2765 //biosA0[0x77] = psxBios_sys_a0_77;
2766 //biosA0[0x78] = psxBios__96_CdSeekL;
2767 //biosA0[0x79] = psxBios_sys_a0_79;
2768 //biosA0[0x7a] = psxBios_sys_a0_7a;
2769 //biosA0[0x7b] = psxBios_sys_a0_7b;
2770 //biosA0[0x7c] = psxBios__96_CdGetStatus;
2771 //biosA0[0x7d] = psxBios_sys_a0_7d;
2772 //biosA0[0x7e] = psxBios__96_CdRead;
2773 //biosA0[0x7f] = psxBios_sys_a0_7f;
2774 //biosA0[0x80] = psxBios_sys_a0_80;
2775 //biosA0[0x81] = psxBios_sys_a0_81;
2776 //biosA0[0x82] = psxBios_sys_a0_82;
2777 //biosA0[0x83] = psxBios_sys_a0_83;
2778 //biosA0[0x84] = psxBios_sys_a0_84;
2779 //biosA0[0x85] = psxBios__96_CdStop;
2780 //biosA0[0x86] = psxBios_sys_a0_86;
2781 //biosA0[0x87] = psxBios_sys_a0_87;
2782 //biosA0[0x88] = psxBios_sys_a0_88;
2783 //biosA0[0x89] = psxBios_sys_a0_89;
2784 //biosA0[0x8a] = psxBios_sys_a0_8a;
2785 //biosA0[0x8b] = psxBios_sys_a0_8b;
2786 //biosA0[0x8c] = psxBios_sys_a0_8c;
2787 //biosA0[0x8d] = psxBios_sys_a0_8d;
2788 //biosA0[0x8e] = psxBios_sys_a0_8e;
2789 //biosA0[0x8f] = psxBios_sys_a0_8f;
2790 //biosA0[0x90] = psxBios_sys_a0_90;
2791 //biosA0[0x91] = psxBios_sys_a0_91;
2792 //biosA0[0x92] = psxBios_sys_a0_92;
2793 //biosA0[0x93] = psxBios_sys_a0_93;
2794 //biosA0[0x94] = psxBios_sys_a0_94;
2795 //biosA0[0x95] = psxBios_sys_a0_95;
2796 //biosA0[0x96] = psxBios_AddCDROMDevice;
2797 //biosA0[0x97] = psxBios_AddMemCardDevide;
2798 //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2799 //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2800 //biosA0[0x9a] = psxBios_sys_a0_9a;
2801 //biosA0[0x9b] = psxBios_sys_a0_9b;
2802 //biosA0[0x9c] = psxBios_SetConf;
2803 //biosA0[0x9d] = psxBios_GetConf;
2804 //biosA0[0x9e] = psxBios_sys_a0_9e;
2805 biosA0[0x9f] = psxBios_SetMem;
2806 //biosA0[0xa0] = psxBios__boot;
2807 //biosA0[0xa1] = psxBios_SystemError;
2808 //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2809 //biosA0[0xa3] = psxBios_DequeueCdIntr;
2810 //biosA0[0xa4] = psxBios_sys_a0_a4;
2811 //biosA0[0xa5] = psxBios_ReadSector;
2812 //biosA0[0xa6] = psxBios_get_cd_status;
2813 //biosA0[0xa7] = psxBios_bufs_cb_0;
2814 //biosA0[0xa8] = psxBios_bufs_cb_1;
2815 //biosA0[0xa9] = psxBios_bufs_cb_2;
2816 //biosA0[0xaa] = psxBios_bufs_cb_3;
2817 biosA0[0xab] = psxBios__card_info;
2818 biosA0[0xac] = psxBios__card_load;
2819 //biosA0[0axd] = psxBios__card_auto;
2820 //biosA0[0xae] = psxBios_bufs_cd_4;
2821 //biosA0[0xaf] = psxBios_sys_a0_af;
2822 //biosA0[0xb0] = psxBios_sys_a0_b0;
2823 //biosA0[0xb1] = psxBios_sys_a0_b1;
2824 //biosA0[0xb2] = psxBios_do_a_long_jmp
2825 //biosA0[0xb3] = psxBios_sys_a0_b3;
2826 //biosA0[0xb4] = psxBios_sub_function;
2827 //*******************B0 CALLS****************************
2828 //biosB0[0x00] = psxBios_SysMalloc;
2829 //biosB0[0x01] = psxBios_sys_b0_01;
2830 biosB0[0x02] = psxBios_SetRCnt;
2831 biosB0[0x03] = psxBios_GetRCnt;
2832 biosB0[0x04] = psxBios_StartRCnt;
2833 biosB0[0x05] = psxBios_StopRCnt;
2834 biosB0[0x06] = psxBios_ResetRCnt;
2835 biosB0[0x07] = psxBios_DeliverEvent;
2836 biosB0[0x08] = psxBios_OpenEvent;
2837 biosB0[0x09] = psxBios_CloseEvent;
2838 biosB0[0x0a] = psxBios_WaitEvent;
2839 biosB0[0x0b] = psxBios_TestEvent;
2840 biosB0[0x0c] = psxBios_EnableEvent;
2841 biosB0[0x0d] = psxBios_DisableEvent;
2842 biosB0[0x0e] = psxBios_OpenTh;
2843 biosB0[0x0f] = psxBios_CloseTh;
2844 biosB0[0x10] = psxBios_ChangeTh;
2845 //biosB0[0x11] = psxBios_psxBios_b0_11;
2846 biosB0[0x12] = psxBios_InitPAD;
2847 biosB0[0x13] = psxBios_StartPAD;
2848 biosB0[0x14] = psxBios_StopPAD;
2849 biosB0[0x15] = psxBios_PAD_init;
2850 biosB0[0x16] = psxBios_PAD_dr;
2851 biosB0[0x17] = psxBios_ReturnFromException;
2852 biosB0[0x18] = psxBios_ResetEntryInt;
2853 biosB0[0x19] = psxBios_HookEntryInt;
2854 //biosB0[0x1a] = psxBios_sys_b0_1a;
2855 //biosB0[0x1b] = psxBios_sys_b0_1b;
2856 //biosB0[0x1c] = psxBios_sys_b0_1c;
2857 //biosB0[0x1d] = psxBios_sys_b0_1d;
2858 //biosB0[0x1e] = psxBios_sys_b0_1e;
2859 //biosB0[0x1f] = psxBios_sys_b0_1f;
2860 biosB0[0x20] = psxBios_UnDeliverEvent;
2861 //biosB0[0x21] = psxBios_sys_b0_21;
2862 //biosB0[0x22] = psxBios_sys_b0_22;
2863 //biosB0[0x23] = psxBios_sys_b0_23;
2864 //biosB0[0x24] = psxBios_sys_b0_24;
2865 //biosB0[0x25] = psxBios_sys_b0_25;
2866 //biosB0[0x26] = psxBios_sys_b0_26;
2867 //biosB0[0x27] = psxBios_sys_b0_27;
2868 //biosB0[0x28] = psxBios_sys_b0_28;
2869 //biosB0[0x29] = psxBios_sys_b0_29;
2870 //biosB0[0x2a] = psxBios_sys_b0_2a;
2871 //biosB0[0x2b] = psxBios_sys_b0_2b;
2872 //biosB0[0x2c] = psxBios_sys_b0_2c;
2873 //biosB0[0x2d] = psxBios_sys_b0_2d;
2874 //biosB0[0x2e] = psxBios_sys_b0_2e;
2875 //biosB0[0x2f] = psxBios_sys_b0_2f;
2876 //biosB0[0x30] = psxBios_sys_b0_30;
2877 //biosB0[0x31] = psxBios_sys_b0_31;
2878 biosB0[0x32] = psxBios_open;
2879 biosB0[0x33] = psxBios_lseek;
2880 biosB0[0x34] = psxBios_read;
2881 biosB0[0x35] = psxBios_write;
2882 biosB0[0x36] = psxBios_close;
2883 //biosB0[0x37] = psxBios_ioctl;
2884 //biosB0[0x38] = psxBios_exit;
2885 //biosB0[0x39] = psxBios_sys_b0_39;
2886 //biosB0[0x3a] = psxBios_getc;
2887 //biosB0[0x3b] = psxBios_putc;
2888 biosB0[0x3c] = psxBios_getchar;
2889 //biosB0[0x3e] = psxBios_gets;
2890 //biosB0[0x40] = psxBios_cd;
2891 biosB0[0x41] = psxBios_format;
2892 biosB0[0x42] = psxBios_firstfile;
2893 biosB0[0x43] = psxBios_nextfile;
2894 biosB0[0x44] = psxBios_rename;
2895 biosB0[0x45] = psxBios_delete;
2896 //biosB0[0x46] = psxBios_undelete;
2897 //biosB0[0x47] = psxBios_AddDevice;
2898 //biosB0[0x48] = psxBios_RemoteDevice;
2899 //biosB0[0x49] = psxBios_PrintInstalledDevices;
2900 biosB0[0x4a] = psxBios_InitCARD;
2901 biosB0[0x4b] = psxBios_StartCARD;
2902 biosB0[0x4c] = psxBios_StopCARD;
2903 //biosB0[0x4d] = psxBios_sys_b0_4d;
2904 biosB0[0x4e] = psxBios__card_write;
2905 biosB0[0x4f] = psxBios__card_read;
2906 biosB0[0x50] = psxBios__new_card;
2907 biosB0[0x51] = psxBios_Krom2RawAdd;
2908 //biosB0[0x52] = psxBios_sys_b0_52;
2909 //biosB0[0x53] = psxBios_sys_b0_53;
2910 //biosB0[0x54] = psxBios__get_errno;
2911 biosB0[0x55] = psxBios__get_error;
2912 biosB0[0x56] = psxBios_GetC0Table;
2913 biosB0[0x57] = psxBios_GetB0Table;
2914 biosB0[0x58] = psxBios__card_chan;
2915 //biosB0[0x59] = psxBios_sys_b0_59;
2916 //biosB0[0x5a] = psxBios_sys_b0_5a;
2917 biosB0[0x5b] = psxBios_ChangeClearPad;
2918 //biosB0[0x5c] = psxBios__card_status;
2919 //biosB0[0x5d] = psxBios__card_wait;
2920 //*******************C0 CALLS****************************
2921 //biosC0[0x00] = psxBios_InitRCnt;
2922 //biosC0[0x01] = psxBios_InitException;
2923 biosC0[0x02] = psxBios_SysEnqIntRP;
2924 biosC0[0x03] = psxBios_SysDeqIntRP;
2925 //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2926 //biosC0[0x05] = psxBios_get_free_TCB_slot;
2927 //biosC0[0x06] = psxBios_ExceptionHandler;
2928 //biosC0[0x07] = psxBios_InstallExeptionHandler;
2929 //biosC0[0x08] = psxBios_SysInitMemory;
2930 //biosC0[0x09] = psxBios_SysInitKMem;
2931 biosC0[0x0a] = psxBios_ChangeClearRCnt;
2932 //biosC0[0x0b] = psxBios_SystemError;
2933 //biosC0[0x0c] = psxBios_InitDefInt;
2934 //biosC0[0x0d] = psxBios_sys_c0_0d;
2935 //biosC0[0x0e] = psxBios_sys_c0_0e;
2936 //biosC0[0x0f] = psxBios_sys_c0_0f;
2937 //biosC0[0x10] = psxBios_sys_c0_10;
2938 //biosC0[0x11] = psxBios_sys_c0_11;
2939 //biosC0[0x12] = psxBios_InstallDevices;
2940 //biosC0[0x13] = psxBios_FlushStfInOutPut;
2941 //biosC0[0x14] = psxBios_sys_c0_14;
2942 //biosC0[0x15] = psxBios__cdevinput;
2943 //biosC0[0x16] = psxBios__cdevscan;
2944 //biosC0[0x17] = psxBios__circgetc;
2945 //biosC0[0x18] = psxBios__circputc;
2946 //biosC0[0x19] = psxBios_ioabort;
2947 //biosC0[0x1a] = psxBios_sys_c0_1a
2948 //biosC0[0x1b] = psxBios_KernelRedirect;
2949 //biosC0[0x1c] = psxBios_PatchAOTable;
2950 //************** THE END ***************************************
2953 size = sizeof(EvCB) * 32;
2954 Event = (void *)&psxR[base]; base += size * 6;
2955 memset(Event, 0, size * 6);
2958 RcEV = Event + 32 * 2;
2959 UeEV = Event + 32 * 3;
2960 SwEV = Event + 32 * 4;
2961 ThEV = Event + 32 * 5;
2963 ptr = (u32 *)&psxM[0x0874]; // b0 table
2964 ptr[0] = SWAPu32(0x4c54 - 0x884);
2966 ptr = (u32 *)&psxM[0x0674]; // c0 table
2967 ptr[6] = SWAPu32(0xc80);
2969 memset(SysIntRP, 0, sizeof(SysIntRP));
2970 memset(Thread, 0, sizeof(Thread));
2971 Thread[0].status = 2; // main thread
2977 pad_buf1len = pad_buf2len = 0;
2983 memset(FDesc, 0, sizeof(FDesc));
2985 psxMu32ref(0x0150) = SWAPu32(0x160);
2986 psxMu32ref(0x0154) = SWAPu32(0x320);
2987 psxMu32ref(0x0160) = SWAPu32(0x248);
2988 strcpy((char *)&psxM[0x248], "bu");
2989 /* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
2990 psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
2991 psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
2992 psxMu32ref(0x09e0) = SWAPu32(0x43d0);
2993 psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
2996 psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
2997 psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
2998 psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
2999 psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
3000 psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
3001 psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
3002 psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
3003 psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
3004 psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
3005 psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
3007 // initial stack pointer for BIOS interrupt
3008 psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
3011 psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
3014 len = 0x80000 - 0x66000;
3015 uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
3016 len = 0x80000 - 0x69d68;
3017 uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
3020 psxHu32ref(0x1060) = SWAPu32(0x00000b88);
3022 hleSoftCall = FALSE;
3025 void psxBiosShutdown() {
3028 #define psxBios_PADpoll(pad) { \
3029 PAD##pad##_startPoll(pad); \
3030 pad_buf##pad[0] = 0; \
3031 pad_buf##pad[1] = PAD##pad##_poll(0x42); \
3032 if (!(pad_buf##pad[1] & 0x0f)) { \
3035 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
3037 PAD##pad##_poll(0); \
3039 while (bufcount--) { \
3040 pad_buf##pad[i++] = PAD##pad##_poll(0); \
3044 void biosInterrupt() {
3047 // if (psxHu32(0x1070) & 0x1) { // Vsync
3048 if (pad_buf != NULL) {
3049 u32 *buf = (u32*)pad_buf;
3051 if (!Config.UseNet) {
3053 if (PAD1_poll(0x42) == 0x23) {
3055 *buf = PAD1_poll(0) << 8;
3056 *buf |= PAD1_poll(0);
3058 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
3059 *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
3062 *buf = PAD1_poll(0) << 8;
3063 *buf|= PAD1_poll(0);
3067 if (PAD2_poll(0x42) == 0x23) {
3069 *buf |= PAD2_poll(0) << 24;
3070 *buf |= PAD2_poll(0) << 16;
3072 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
3073 *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
3076 *buf |= PAD2_poll(0) << 24;
3077 *buf |= PAD2_poll(0) << 16;
3085 data = PAD1_poll(0) << 8;
3086 data |= PAD1_poll(0);
3088 if (NET_sendPadData(&data, 2) == -1)
3091 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
3093 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
3097 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
3100 if (NET_sendPadData(pad_buf1, i) == -1)
3103 if (NET_recvPadData(pad_buf1, 1) == -1)
3105 if (NET_recvPadData(pad_buf2, 2) == -1)
3117 if (psxHu32(0x1070) & 0x1) { // Vsync
3118 if (RcEV[3][1].status == EvStACTIVE) {
3119 softCall(RcEV[3][1].fhandler);
3120 // hwWrite32(0x1f801070, ~(1));
3124 if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
3127 for (i = 0; i < 3; i++) {
3128 if (psxHu32(0x1070) & (1 << (i + 4))) {
3129 if (RcEV[i][1].status == EvStACTIVE) {
3130 softCall(RcEV[i][1].fhandler);
3132 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
3138 void psxBiosException() {
3141 switch (psxRegs.CP0.n.Cause & 0x3c) {
3142 case 0x00: // Interrupt
3144 // PSXCPU_LOG("interrupt\n");
3148 sp = psxMu32(0x6c80); // create new stack for interrupt handlers
3152 for (i = 0; i < 8; i++) {
3154 u32 *queue = (u32 *)PSXM(SysIntRP[i]);
3161 if (jmp_int != NULL) {
3164 psxHwWrite32(0x1f801070, 0xffffffff);
3169 for (i = 0; i < 8; i++) // s0-s7
3170 psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
3177 psxHwWrite16(0x1f801070, 0);
3180 case 0x20: // Syscall
3182 PSXCPU_LOG("syscall exp %x\n", a0);
3185 case 1: // EnterCritical - disable irq's
3186 /* Fixes Medievil 2 not loading up new game, Digimon World not booting up and possibly others */
3187 v0 = (psxRegs.CP0.n.Status & 0x404) == 0x404;
3188 psxRegs.CP0.n.Status &= ~0x404;
3191 case 2: // ExitCritical - enable irq's
3192 psxRegs.CP0.n.Status |= 0x404;
3195 pc0 = psxRegs.CP0.n.EPC + 4;
3197 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3198 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3203 PSXCPU_LOG("unknown bios exception!\n");
3208 pc0 = psxRegs.CP0.n.EPC;
3209 if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
3211 psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3212 ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3215 #define bfreeze(ptr, size) { \
3216 if (Mode == 1) memcpy(&psxR[base], ptr, size); \
3217 if (Mode == 0) memcpy(ptr, &psxR[base], size); \
3221 #define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
3222 #define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
3224 #define bfreezepsxMptr(ptr, type) { \
3226 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
3227 else psxRu32ref(base) = 0; \
3229 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
3230 else (ptr) = NULL; \
3232 base += sizeof(u32); \
3235 void psxBiosFreeze(int Mode) {
3238 bfreezepsxMptr(jmp_int, u32);
3239 bfreezepsxMptr(pad_buf, int);
3240 bfreezepsxMptr(pad_buf1, char);
3241 bfreezepsxMptr(pad_buf2, char);
3242 bfreezepsxMptr(heap_addr, u32);
3243 bfreezel(&pad_buf1len);
3244 bfreezel(&pad_buf2len);
3247 bfreezel(&CardState);
3249 bfreezel(&CurThread);
3251 bfreezel(&card_active_chan);