libpcsxcore/psxbios.c

   1 /***************************************************************************
   2  *   Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team              *
   3  *                                                                         *
   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.                                   *
   8  *                                                                         *
   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.                          *
  13  *                                                                         *
  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  ***************************************************************************/
  19
  20 /*
  21  * Internal simulated HLE BIOS.
  22  */
  23
  24 // TODO: implement all system calls, count the exact CPU cycles of system calls.
  25
  26 #include "psxbios.h"
  27 #include "psxhw.h"
  28 #include "gpu.h"
  29
  30 #undef SysPrintf
  31 #define SysPrintf if (Config.PsxOut) printf
  32
  33 char *biosA0n[256] = {
  34 // 0x00
  35         "open",         "lseek",        "read",         "write",
  36         "close",        "ioctl",        "exit",         "sys_a0_07",
  37         "getc",         "putc",         "todigit",      "atof",
  38         "strtoul",      "strtol",       "abs",          "labs",
  39 // 0x10
  40         "atoi",         "atol",         "atob",         "setjmp",
  41         "longjmp",      "strcat",       "strncat",      "strcmp",
  42         "strncmp",      "strcpy",       "strncpy",      "strlen",
  43         "index",        "rindex",       "strchr",       "strrchr",
  44 // 0x20
  45         "strpbrk",      "strspn",       "strcspn",      "strtok",
  46         "strstr",       "toupper",      "tolower",      "bcopy",
  47         "bzero",        "bcmp",         "memcpy",       "memset",
  48         "memmove",      "memcmp",       "memchr",       "rand",
  49 // 0x30
  50         "srand",        "qsort",        "strtod",       "malloc",
  51         "free",         "lsearch",      "bsearch",      "calloc",
  52         "realloc",      "InitHeap",     "_exit",        "getchar",
  53         "putchar",      "gets",         "puts",         "printf",
  54 // 0x40
  55         "sys_a0_40",            "LoadTest",                                     "Load",         "Exec",
  56         "FlushCache",           "InstallInterruptHandler",      "GPU_dw",       "mem2vram",
  57         "SendGPUStatus",        "GPU_cw",                                       "GPU_cwb",      "SendPackets",
  58         "sys_a0_4c",            "GetGPUStatus",                         "GPU_sync",     "sys_a0_4f",
  59 // 0x50
  60         "sys_a0_50",            "LoadExec",                             "GetSysSp",             "sys_a0_53",
  61         "_96_init()",           "_bu_init()",                   "_96_remove()", "sys_a0_57",
  62         "sys_a0_58",            "sys_a0_59",                    "sys_a0_5a",    "dev_tty_init",
  63         "dev_tty_open",         "sys_a0_5d",                    "dev_tty_ioctl","dev_cd_open",
  64 // 0x60
  65         "dev_cd_read",          "dev_cd_close",                 "dev_cd_firstfile",     "dev_cd_nextfile",
  66         "dev_cd_chdir",         "dev_card_open",                "dev_card_read",        "dev_card_write",
  67         "dev_card_close",       "dev_card_firstfile",   "dev_card_nextfile","dev_card_erase",
  68         "dev_card_undelete","dev_card_format",          "dev_card_rename",      "dev_card_6f",
  69 // 0x70
  70         "_bu_init",                     "_96_init",             "_96_remove",           "sys_a0_73",
  71         "sys_a0_74",            "sys_a0_75",    "sys_a0_76",            "sys_a0_77",
  72         "_96_CdSeekL",          "sys_a0_79",    "sys_a0_7a",            "sys_a0_7b",
  73         "_96_CdGetStatus",      "sys_a0_7d",    "_96_CdRead",           "sys_a0_7f",
  74 // 0x80
  75         "sys_a0_80",            "sys_a0_81",    "sys_a0_82",            "sys_a0_83",
  76         "sys_a0_84",            "_96_CdStop",   "sys_a0_86",            "sys_a0_87",
  77         "sys_a0_88",            "sys_a0_89",    "sys_a0_8a",            "sys_a0_8b",
  78         "sys_a0_8c",            "sys_a0_8d",    "sys_a0_8e",            "sys_a0_8f",
  79 // 0x90
  80         "sys_a0_90",            "sys_a0_91",    "sys_a0_92",            "sys_a0_93",
  81         "sys_a0_94",            "sys_a0_95",    "AddCDROMDevice",       "AddMemCardDevide",
  82         "DisableKernelIORedirection",           "EnableKernelIORedirection", "sys_a0_9a", "sys_a0_9b",
  83         "SetConf",                      "GetConf",              "sys_a0_9e",            "SetMem",
  84 // 0xa0
  85         "_boot",                        "SystemError",  "EnqueueCdIntr",        "DequeueCdIntr",
  86         "sys_a0_a4",            "ReadSector",   "get_cd_status",        "bufs_cb_0",
  87         "bufs_cb_1",            "bufs_cb_2",    "bufs_cb_3",            "_card_info",
  88         "_card_load",           "_card_auto",   "bufs_cd_4",            "sys_a0_af",
  89 // 0xb0
  90         "sys_a0_b0",            "sys_a0_b1",    "do_a_long_jmp",        "sys_a0_b3",
  91         "?? sub_function",
  92 };
  93
  94 char *biosB0n[256] = {
  95 // 0x00
  96         "SysMalloc",            "sys_b0_01",    "sys_b0_02",    "sys_b0_03",
  97         "sys_b0_04",            "sys_b0_05",    "sys_b0_06",    "DeliverEvent",
  98         "OpenEvent",            "CloseEvent",   "WaitEvent",    "TestEvent",
  99         "EnableEvent",          "DisableEvent", "OpenTh",               "CloseTh",
 100 // 0x10
 101         "ChangeTh",                     "sys_b0_11",    "InitPAD",              "StartPAD",
 102         "StopPAD",                      "PAD_init",             "PAD_dr",               "ReturnFromExecption",
 103         "ResetEntryInt",        "HookEntryInt", "sys_b0_1a",    "sys_b0_1b",
 104         "sys_b0_1c",            "sys_b0_1d",    "sys_b0_1e",    "sys_b0_1f",
 105 // 0x20
 106         "UnDeliverEvent",       "sys_b0_21",    "sys_b0_22",    "sys_b0_23",
 107         "sys_b0_24",            "sys_b0_25",    "sys_b0_26",    "sys_b0_27",
 108         "sys_b0_28",            "sys_b0_29",    "sys_b0_2a",    "sys_b0_2b",
 109         "sys_b0_2c",            "sys_b0_2d",    "sys_b0_2e",    "sys_b0_2f",
 110 // 0x30
 111         "sys_b0_30",            "sys_b0_31",    "open",                 "lseek",
 112         "read",                         "write",                "close",                "ioctl",
 113         "exit",                         "sys_b0_39",    "getc",                 "putc",
 114         "getchar",                      "putchar",              "gets",                 "puts",
 115 // 0x40
 116         "cd",                           "format",               "firstfile",    "nextfile",
 117         "rename",                       "delete",               "undelete",             "AddDevice",
 118         "RemoteDevice",         "PrintInstalledDevices", "InitCARD", "StartCARD",
 119         "StopCARD",                     "sys_b0_4d",    "_card_write",  "_card_read",
 120 // 0x50
 121         "_new_card",            "Krom2RawAdd",  "sys_b0_52",    "sys_b0_53",
 122         "_get_errno",           "_get_error",   "GetC0Table",   "GetB0Table",
 123         "_card_chan",           "sys_b0_59",    "sys_b0_5a",    "ChangeClearPAD",
 124         "_card_status",         "_card_wait",
 125 };
 126
 127 char *biosC0n[256] = {
 128 // 0x00
 129         "InitRCnt",                       "InitException",              "SysEnqIntRP",          "SysDeqIntRP",
 130         "get_free_EvCB_slot", "get_free_TCB_slot",      "ExceptionHandler",     "InstallExeptionHandler",
 131         "SysInitMemory",          "SysInitKMem",                "ChangeClearRCnt",      "SystemError",
 132         "InitDefInt",             "sys_c0_0d",                  "sys_c0_0e",            "sys_c0_0f",
 133 // 0x10
 134         "sys_c0_10",              "sys_c0_11",                  "InstallDevices",       "FlushStfInOutPut",
 135         "sys_c0_14",              "_cdevinput",                 "_cdevscan",            "_circgetc",
 136         "_circputc",              "ioabort",                    "sys_c0_1a",            "KernelRedirect",
 137         "PatchAOTable",
 138 };
 139
 140 //#define r0 (psxRegs.GPR.n.r0)
 141 #define at (psxRegs.GPR.n.at)
 142 #define v0 (psxRegs.GPR.n.v0)
 143 #define v1 (psxRegs.GPR.n.v1)
 144 #define a0 (psxRegs.GPR.n.a0)
 145 #define a1 (psxRegs.GPR.n.a1)
 146 #define a2 (psxRegs.GPR.n.a2)
 147 #define a3 (psxRegs.GPR.n.a3)
 148 #define t0 (psxRegs.GPR.n.t0)
 149 #define t1 (psxRegs.GPR.n.t1)
 150 #define t2 (psxRegs.GPR.n.t2)
 151 #define t3 (psxRegs.GPR.n.t3)
 152 #define t4 (psxRegs.GPR.n.t4)
 153 #define t5 (psxRegs.GPR.n.t5)
 154 #define t6 (psxRegs.GPR.n.t6)
 155 #define t7 (psxRegs.GPR.n.t7)
 156 #define t8 (psxRegs.GPR.n.t8)
 157 #define t9 (psxRegs.GPR.n.t9)
 158 #define s0 (psxRegs.GPR.n.s0)
 159 #define s1 (psxRegs.GPR.n.s1)
 160 #define s2 (psxRegs.GPR.n.s2)
 161 #define s3 (psxRegs.GPR.n.s3)
 162 #define s4 (psxRegs.GPR.n.s4)
 163 #define s5 (psxRegs.GPR.n.s5)
 164 #define s6 (psxRegs.GPR.n.s6)
 165 #define s7 (psxRegs.GPR.n.s7)
 166 #define k0 (psxRegs.GPR.n.k0)
 167 #define k1 (psxRegs.GPR.n.k1)
 168 #define gp (psxRegs.GPR.n.gp)
 169 #define sp (psxRegs.GPR.n.sp)
 170 #define fp (psxRegs.GPR.n.s8)
 171 #define ra (psxRegs.GPR.n.ra)
 172 #define pc0 (psxRegs.pc)
 173
 174 #define Ra0 ((char *)PSXM(a0))
 175 #define Ra1 ((char *)PSXM(a1))
 176 #define Ra2 ((char *)PSXM(a2))
 177 #define Ra3 ((char *)PSXM(a3))
 178 #define Rv0 ((char *)PSXM(v0))
 179 #define Rsp ((char *)PSXM(sp))
 180
 181 typedef struct {
 182         u32 desc;
 183         s32 status;
 184         s32 mode;
 185         u32 fhandler;
 186 } EvCB[32];
 187
 188 #define EvStUNUSED      0x0000
 189 #define EvStWAIT        0x1000
 190 #define EvStACTIVE      0x2000
 191 #define EvStALREADY 0x4000
 192
 193 #define EvMdINTR        0x1000
 194 #define EvMdNOINTR      0x2000
 195
 196 /*
 197 typedef struct {
 198         s32 next;
 199         s32 func1;
 200         s32 func2;
 201         s32 pad;
 202 } SysRPst;
 203 */
 204
 205 typedef struct {
 206         s32 status;
 207         s32 mode;
 208         u32 reg[32];
 209         u32 func;
 210 } TCB;
 211
 212 typedef struct {
 213         u32 _pc0;
 214         u32 gp0;
 215         u32 t_addr;
 216         u32 t_size;
 217         u32 d_addr;
 218         u32 d_size;
 219         u32 b_addr;
 220         u32 b_size;
 221         u32 S_addr;
 222         u32 s_size;
 223         u32 _sp, _fp, _gp, ret, base;
 224 } EXEC;
 225
 226 struct DIRENTRY {
 227         char name[20];
 228         s32 attr;
 229         s32 size;
 230         u32 next;
 231         s32 head;
 232         char system[4];
 233 };
 234
 235 typedef struct {
 236         char name[32];
 237         u32  mode;
 238         u32  offset;
 239         u32  size;
 240         u32  mcfile;
 241 } FileDesc;
 242
 243 static u32 *jmp_int = NULL;
 244 static int *pad_buf = NULL;
 245 static char *pad_buf1 = NULL, *pad_buf2 = NULL;
 246 static int pad_buf1len, pad_buf2len;
 247
 248 static u32 regs[35];
 249 static EvCB *Event;
 250 static EvCB *HwEV; // 0xf0
 251 static EvCB *EvEV; // 0xf1
 252 static EvCB *RcEV; // 0xf2
 253 static EvCB *UeEV; // 0xf3
 254 static EvCB *SwEV; // 0xf4
 255 static EvCB *ThEV; // 0xff
 256 static u32 *heap_addr = NULL;
 257 static u32 *heap_end = NULL;
 258 static u32 SysIntRP[8];
 259 static int CardState = -1;
 260 static TCB Thread[8];
 261 static int CurThread = 0;
 262 static FileDesc FDesc[32];
 263 static u32 card_active_chan;
 264
 265 boolean hleSoftCall = FALSE;
 266
 267 static inline void softCall(u32 pc) {
 268         pc0 = pc;
 269         ra = 0x80001000;
 270
 271         hleSoftCall = TRUE;
 272
 273         while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
 274
 275         hleSoftCall = FALSE;
 276 }
 277
 278 static inline void softCall2(u32 pc) {
 279         u32 sra = ra;
 280         pc0 = pc;
 281         ra = 0x80001000;
 282
 283         hleSoftCall = TRUE;
 284
 285         while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
 286         ra = sra;
 287
 288         hleSoftCall = FALSE;
 289 }
 290
 291 static inline void DeliverEvent(u32 ev, u32 spec) {
 292         if (Event[ev][spec].status != EvStACTIVE) return;
 293
 294 //      Event[ev][spec].status = EvStALREADY;
 295         if (Event[ev][spec].mode == EvMdINTR) {
 296                 softCall2(Event[ev][spec].fhandler);
 297         } else Event[ev][spec].status = EvStALREADY;
 298 }
 299
 300 static inline void SaveRegs() {
 301         memcpy(regs, psxRegs.GPR.r, 32*4);
 302         regs[32] = psxRegs.GPR.n.lo;
 303         regs[33] = psxRegs.GPR.n.hi;
 304         regs[34] = psxRegs.pc;
 305 }
 306
 307 static inline void LoadRegs() {
 308         memcpy(psxRegs.GPR.r, regs, 32*4);
 309         psxRegs.GPR.n.lo = regs[32];
 310         psxRegs.GPR.n.hi = regs[33];
 311 }
 312
 313 /*                                           *
 314 //                                           *
 315 //                                           *
 316 //               System calls A0             */
 317
 318
 319 void psxBios_abs() { // 0x0e
 320         if ((s32)a0 < 0) v0 = -(s32)a0;
 321         else v0 = a0;
 322         pc0 = ra;
 323 }
 324
 325 void psxBios_labs() { // 0x0f
 326         psxBios_abs();
 327 }
 328
 329 void psxBios_atoi() { // 0x10
 330         s32 n = 0, f = 0;
 331         char *p = (char *)Ra0;
 332
 333         for (;;p++) {
 334                 switch (*p) {
 335                         case ' ': case '\t': continue;
 336                         case '-': f++;
 337                         case '+': p++;
 338                 }
 339                 break;
 340         }
 341
 342         while (*p >= '0' && *p <= '9') {
 343                 n = n * 10 + *p++ - '0';
 344         }
 345
 346         v0 = (f ? -n : n);
 347         pc0 = ra;
 348 }
 349
 350 void psxBios_atol() { // 0x11
 351         psxBios_atoi();
 352 }
 353
 354 void psxBios_setjmp() { // 0x13
 355         u32 *jmp_buf = (u32 *)Ra0;
 356         int i;
 357
 358 #ifdef PSXBIOS_LOG
 359         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]);
 360 #endif
 361
 362         jmp_buf[0] = ra;
 363         jmp_buf[1] = sp;
 364         jmp_buf[2] = fp;
 365         for (i = 0; i < 8; i++) // s0-s7
 366                 jmp_buf[3 + i] = psxRegs.GPR.r[16 + i];
 367         jmp_buf[11] = gp;
 368
 369         v0 = 0; pc0 = ra;
 370 }
 371
 372 void psxBios_longjmp() { // 0x14
 373         u32 *jmp_buf = (u32 *)Ra0;
 374         int i;
 375
 376 #ifdef PSXBIOS_LOG
 377         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]);
 378 #endif
 379
 380         ra = jmp_buf[0]; /* ra */
 381         sp = jmp_buf[1]; /* sp */
 382         fp = jmp_buf[2]; /* fp */
 383         for (i = 0; i < 8; i++) // s0-s7
 384                 psxRegs.GPR.r[16 + i] = jmp_buf[3 + i];
 385         gp = jmp_buf[11]; /* gp */
 386
 387         v0 = a1; pc0 = ra;
 388 }
 389
 390 void psxBios_strcat() { // 0x15
 391         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 392
 393 #ifdef PSXBIOS_LOG
 394         PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1);
 395 #endif
 396
 397         while (*p1++);
 398         --p1;
 399         while ((*p1++ = *p2++) != '\0');
 400
 401         v0 = a0; pc0 = ra;
 402 }
 403
 404 void psxBios_strncat() { // 0x16
 405         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 406         s32 n = a2;
 407
 408 #ifdef PSXBIOS_LOG
 409         PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2);
 410 #endif
 411
 412         while (*p1++);
 413         --p1;
 414         while ((*p1++ = *p2++) != '\0') {
 415                 if (--n < 0) {
 416                         *--p1 = '\0';
 417                         break;
 418                 }
 419         }
 420
 421         v0 = a0; pc0 = ra;
 422 }
 423
 424 void psxBios_strcmp() { // 0x17
 425         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 426
 427 #ifdef PSXBIOS_LOG
 428         PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1);
 429 #endif
 430
 431         while (*p1 == *p2++) {
 432                 if (*p1++ == '\0') {
 433                         v0 = 0;
 434                         pc0 = ra;
 435                         return;
 436                 }
 437         }
 438
 439         v0 = (*p1 - *--p2);
 440         pc0 = ra;
 441 }
 442
 443 void psxBios_strncmp() { // 0x18
 444         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 445         s32 n = a2;
 446
 447 #ifdef PSXBIOS_LOG
 448         PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2);
 449 #endif
 450
 451         while (--n >= 0 && *p1 == *p2++) {
 452                 if (*p1++ == '\0') {
 453                         v0 = 0;
 454                         pc0 = ra;
 455                         return;
 456                 }
 457         }
 458
 459         v0 = (n < 0 ? 0 : *p1 - *--p2);
 460         pc0 = ra;
 461 }
 462
 463 void psxBios_strcpy() { // 0x19
 464         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 465         while ((*p1++ = *p2++) != '\0');
 466
 467         v0 = a0; pc0 = ra;
 468 }
 469
 470 void psxBios_strncpy() { // 0x1a
 471         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 472         s32 n = a2, i;
 473
 474         for (i = 0; i < n; i++) {
 475                 if ((*p1++ = *p2++) == '\0') {
 476                         while (++i < n) {
 477                                 *p1++ = '\0';
 478                         }
 479                         v0 = a0; pc0 = ra;
 480                         return;
 481                 }
 482         }
 483
 484         v0 = a0; pc0 = ra;
 485 }
 486
 487 void psxBios_strlen() { // 0x1b
 488         char *p = (char *)Ra0;
 489         v0 = 0;
 490         while (*p++) v0++;
 491         pc0 = ra;
 492 }
 493
 494 void psxBios_index() { // 0x1c
 495         char *p = (char *)Ra0;
 496
 497         do {
 498                 if (*p == a1) {
 499                         v0 = a0 + (p - (char *)Ra0);
 500                         pc0 = ra;
 501                         return;
 502                 }
 503         } while (*p++ != '\0');
 504
 505         v0 = 0; pc0 = ra;
 506 }
 507
 508 void psxBios_rindex() { // 0x1d
 509         char *p = (char *)Ra0;
 510
 511         v0 = 0;
 512
 513         do {
 514                 if (*p == a1)
 515                         v0 = a0 + (p - (char *)Ra0);
 516         } while (*p++ != '\0');
 517
 518         pc0 = ra;
 519 }
 520
 521 void psxBios_strchr() { // 0x1e
 522         psxBios_index();
 523 }
 524
 525 void psxBios_strrchr() { // 0x1f
 526         psxBios_rindex();
 527 }
 528
 529 void psxBios_strpbrk() { // 0x20
 530         char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc;
 531
 532         while ((c = *p1++) != '\0') {
 533                 for (scanp = p2; (sc = *scanp++) != '\0';) {
 534                         if (sc == c) {
 535                                 v0 = a0 + (p1 - 1 - (char *)Ra0);
 536                                 pc0 = ra;
 537                                 return;
 538                         }
 539                 }
 540         }
 541
 542         // BUG: return a0 instead of NULL if not found
 543         v0 = a0; pc0 = ra;
 544 }
 545
 546 void psxBios_strspn() { // 0x21
 547         char *p1, *p2;
 548
 549         for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
 550                 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
 551                 if (*p2 == '\0') break;
 552         }
 553
 554         v0 = p1 - (char *)Ra0; pc0 = ra;
 555 }
 556
 557 void psxBios_strcspn() { // 0x22
 558         char *p1, *p2;
 559
 560         for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
 561                 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
 562                 if (*p2 != '\0') break;
 563         }
 564
 565         v0 = p1 - (char *)Ra0; pc0 = ra;
 566 }
 567
 568 void psxBios_strtok() { // 0x23
 569         char *pcA0 = (char *)Ra0;
 570         char *pcRet = strtok(pcA0, (char *)Ra1);
 571         if (pcRet)
 572                 v0 = a0 + pcRet - pcA0;
 573         else
 574                 v0 = 0;
 575         pc0 = ra;
 576 }
 577
 578 void psxBios_strstr() { // 0x24
 579         char *p = (char *)Ra0, *p1, *p2;
 580
 581         while (*p != '\0') {
 582                 p1 = p;
 583                 p2 = (char *)Ra1;
 584
 585                 while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) {
 586                         p1++; p2++;
 587                 }
 588
 589                 if (*p2 == '\0') {
 590                         v0 = a0 + (p - (char *)Ra0);
 591                         pc0 = ra;
 592                         return;
 593                 }
 594
 595                 p++;
 596         }
 597
 598         v0 = 0; pc0 = ra;
 599 }
 600
 601 void psxBios_toupper() { // 0x25
 602         v0 = (s8)(a0 & 0xff);
 603         if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A';
 604         pc0 = ra;
 605 }
 606
 607 void psxBios_tolower() { // 0x26
 608         v0 = (s8)(a0 & 0xff);
 609         if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A';
 610         pc0 = ra;
 611 }
 612
 613 void psxBios_bcopy() { // 0x27
 614         char *p1 = (char *)Ra1, *p2 = (char *)Ra0;
 615         while (a2-- > 0) *p1++ = *p2++;
 616
 617         pc0 = ra;
 618 }
 619
 620 void psxBios_bzero() { // 0x28
 621         char *p = (char *)Ra0;
 622         while (a1-- > 0) *p++ = '\0';
 623
 624         pc0 = ra;
 625 }
 626
 627 void psxBios_bcmp() { // 0x29
 628         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 629
 630         if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; }
 631
 632         while (a2-- > 0) {
 633                 if (*p1++ != *p2++) {
 634                         v0 = *p1 - *p2; // BUG: compare the NEXT byte
 635                         pc0 = ra;
 636                         return;
 637                 }
 638         }
 639
 640         v0 = 0; pc0 = ra;
 641 }
 642
 643 void psxBios_memcpy() { // 0x2a
 644         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 645         while (a2-- > 0) *p1++ = *p2++;
 646
 647         v0 = a0; pc0 = ra;
 648 }
 649
 650 void psxBios_memset() { // 0x2b
 651         char *p = (char *)Ra0;
 652         while (a2-- > 0) *p++ = (char)a1;
 653
 654         v0 = a0; pc0 = ra;
 655 }
 656
 657 void psxBios_memmove() { // 0x2c
 658         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 659
 660         if (p2 <= p1 && p2 + a2 > p1) {
 661                 a2++; // BUG: copy one more byte here
 662                 p1 += a2;
 663                 p2 += a2;
 664                 while (a2-- > 0) *--p1 = *--p2;
 665         } else {
 666                 while (a2-- > 0) *p1++ = *p2++;
 667         }
 668
 669         v0 = a0; pc0 = ra;
 670 }
 671
 672 void psxBios_memcmp() { // 0x2d
 673         psxBios_bcmp();
 674 }
 675
 676 void psxBios_memchr() { // 0x2e
 677         char *p = (char *)Ra0;
 678
 679         while (a2-- > 0) {
 680                 if (*p++ != (s8)a1) continue;
 681                 v0 = a0 + (p - (char *)Ra0 - 1);
 682                 pc0 = ra;
 683                 return;
 684         }
 685
 686         v0 = 0; pc0 = ra;
 687 }
 688
 689 void psxBios_rand() { // 0x2f
 690         u32 s = psxMu32(0x9010) * 1103515245 + 12345;
 691         v0 = (s >> 16) & 0x7fff;
 692         psxMu32ref(0x9010) = SWAPu32(s);
 693         pc0 = ra;
 694 }
 695
 696 void psxBios_srand() { // 0x30
 697         psxMu32ref(0x9010) = SWAPu32(a0);
 698         pc0 = ra;
 699 }
 700
 701 static u32 qscmpfunc, qswidth;
 702
 703 static inline int qscmp(char *a, char *b) {
 704         u32 sa0 = a0;
 705
 706         a0 = sa0 + (a - (char *)PSXM(sa0));
 707         a1 = sa0 + (b - (char *)PSXM(sa0));
 708
 709         softCall2(qscmpfunc);
 710
 711         a0 = sa0;
 712         return (s32)v0;
 713 }
 714
 715 static inline void qexchange(char *i, char *j) {
 716         char t;
 717         int n = qswidth;
 718
 719         do {
 720                 t = *i;
 721                 *i++ = *j;
 722                 *j++ = t;
 723         } while (--n);
 724 }
 725
 726 static inline void q3exchange(char *i, char *j, char *k) {
 727         char t;
 728         int n = qswidth;
 729
 730         do {
 731                 t = *i;
 732                 *i++ = *k;
 733                 *k++ = *j;
 734                 *j++ = t;
 735         } while (--n);
 736 }
 737
 738 static void qsort_main(char *a, char *l) {
 739         char *i, *j, *lp, *hp;
 740         int c;
 741         unsigned int n;
 742
 743 start:
 744         if ((n = l - a) <= qswidth)
 745                 return;
 746         n = qswidth * (n / (2 * qswidth));
 747         hp = lp = a + n;
 748         i = a;
 749         j = l - qswidth;
 750         while (TRUE) {
 751                 if (i < lp) {
 752                         if ((c = qscmp(i, lp)) == 0) {
 753                                 qexchange(i, lp -= qswidth);
 754                                 continue;
 755                         }
 756                         if (c < 0) {
 757                                 i += qswidth;
 758                                 continue;
 759                         }
 760                 }
 761
 762 loop:
 763                 if (j > hp) {
 764                         if ((c = qscmp(hp, j)) == 0) {
 765                                 qexchange(hp += qswidth, j);
 766                                 goto loop;
 767                         }
 768                         if (c > 0) {
 769                                 if (i == lp) {
 770                                         q3exchange(i, hp += qswidth, j);
 771                                         i = lp += qswidth;
 772                                         goto loop;
 773                                 }
 774                                 qexchange(i, j);
 775                                 j -= qswidth;
 776                                 i += qswidth;
 777                                 continue;
 778                         }
 779                         j -= qswidth;
 780                         goto loop;
 781                 }
 782
 783                 if (i == lp) {
 784                         if (lp - a >= l - hp) {
 785                                 qsort_main(hp + qswidth, l);
 786                                 l = lp;
 787                         } else {
 788                                 qsort_main(a, lp);
 789                                 a = hp + qswidth;
 790                         }
 791                         goto start;
 792                 }
 793
 794                 q3exchange(j, lp -= qswidth, i);
 795                 j = hp -= qswidth;
 796         }
 797 }
 798
 799 void psxBios_qsort() { // 0x31
 800         qswidth = a2;
 801         qscmpfunc = a3;
 802         qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
 803
 804         pc0 = ra;
 805 }
 806
 807 void psxBios_malloc() { // 0x33
 808         unsigned int *chunk, *newchunk = NULL;
 809         unsigned int dsize = 0, csize, cstat;
 810         int colflag;
 811 #ifdef PSXBIOS_LOG
 812         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
 813 #endif
 814
 815         // scan through heap and combine free chunks of space
 816         chunk = heap_addr;
 817         colflag = 0;
 818         while(chunk < heap_end) {
 819                 // get size and status of actual chunk
 820                 csize = ((u32)*chunk) & 0xfffffffc;
 821                 cstat = ((u32)*chunk) & 1;
 822
 823                 // it's a free chunk
 824                 if(cstat == 1) {
 825                         if(colflag == 0) {
 826                                 newchunk = chunk;
 827                                 dsize = csize;
 828                                 colflag = 1;                    // let's begin a new collection of free memory
 829                         }
 830                         else dsize += (csize+4);        // add the new size including header
 831                 }
 832                 // not a free chunk: did we start a collection ?
 833                 else {
 834                         if(colflag == 1) {                      // collection is over
 835                                 colflag = 0;
 836                                 *newchunk = SWAP32(dsize | 1);
 837                         }
 838                 }
 839
 840                 // next chunk
 841                 chunk = (u32*)((uptr)chunk + csize + 4);
 842         }
 843         // if neccessary free memory on end of heap
 844         if (colflag == 1)
 845                 *newchunk = SWAP32(dsize | 1);
 846
 847         chunk = heap_addr;
 848         csize = ((u32)*chunk) & 0xfffffffc;
 849         cstat = ((u32)*chunk) & 1;
 850         dsize = (a0 + 3) & 0xfffffffc;
 851
 852         // exit on uninitialized heap
 853         if (chunk == NULL) {
 854                 SysPrintf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
 855                 v0 = 0;
 856                 pc0 = ra;
 857                 return;
 858         }
 859
 860         // search an unused chunk that is big enough until the end of the heap
 861         while ((dsize > csize || cstat == 0) && chunk < heap_end ) {
 862                 chunk = (u32*)((uptr)chunk + csize + 4);
 863                 csize = ((u32)*chunk) & 0xfffffffc;
 864                 cstat = ((u32)*chunk) & 1;
 865         }
 866
 867         // catch out of memory
 868         if(chunk >= heap_end) { SysPrintf("malloc %x,%x: Out of memory error!\n", v0, a0); v0 = 0; pc0 = ra; return; }
 869
 870         // allocate memory
 871         if(dsize == csize) {
 872                 // chunk has same size
 873                 *chunk &= 0xfffffffc;
 874         }
 875         else {
 876                 // split free chunk
 877                 *chunk = SWAP32(dsize);
 878                 newchunk = (u32*)((uptr)chunk + dsize + 4);
 879                 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
 880         }
 881
 882         // return pointer to allocated memory
 883         v0 = ((unsigned long)chunk - (unsigned long)psxM) + 4;
 884         v0|= 0x80000000;
 885         SysPrintf ("malloc %x,%x\n", v0, a0);
 886         pc0 = ra;
 887 }
 888
 889 void psxBios_free() { // 0x34
 890
 891 #ifdef PSXBIOS_LOG
 892         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
 893 #endif
 894
 895         SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
 896
 897         *(u32*)(Ra0-4) |= 1;    // set chunk to free
 898         pc0 = ra;
 899 }
 900
 901 void psxBios_calloc() { // 0x37
 902 #ifdef PSXBIOS_LOG
 903         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
 904 #endif
 905
 906         a0 = a0 * a1;
 907         psxBios_malloc();
 908         memset(Rv0, 0, a0);
 909 }
 910
 911 void psxBios_realloc() { // 0x38
 912         u32 block = a0;
 913         u32 size = a1;
 914 #ifdef PSXBIOS_LOG
 915         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
 916 #endif
 917
 918         a0 = block;
 919         psxBios_free();
 920         a0 = size;
 921         psxBios_malloc();
 922 }
 923
 924
 925 /* InitHeap(void *block , int n) */
 926 void psxBios_InitHeap() { // 0x39
 927         unsigned int size;
 928
 929 #ifdef PSXBIOS_LOG
 930         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
 931 #endif
 932
 933         if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
 934         else size = a1;
 935
 936         size &= 0xfffffffc;
 937
 938         heap_addr = (u32 *)Ra0;
 939         heap_end = (u32 *)((u8 *)heap_addr + size);
 940         *heap_addr = SWAP32(size | 1);
 941
 942         SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
 943
 944         pc0 = ra;
 945 }
 946
 947 void psxBios_getchar() { //0x3b
 948         v0 = getchar(); pc0 = ra;
 949 }
 950
 951 void psxBios_printf() { // 0x3f
 952         char tmp[1024];
 953         char tmp2[1024];
 954         u32 save[4];
 955         char *ptmp = tmp;
 956         int n=1, i=0, j;
 957
 958         memcpy(save, (char*)PSXM(sp), 4 * 4);
 959         psxMu32ref(sp) = SWAP32((u32)a0);
 960         psxMu32ref(sp + 4) = SWAP32((u32)a1);
 961         psxMu32ref(sp + 8) = SWAP32((u32)a2);
 962         psxMu32ref(sp + 12) = SWAP32((u32)a3);
 963
 964         while (Ra0[i]) {
 965                 switch (Ra0[i]) {
 966                         case '%':
 967                                 j = 0;
 968                                 tmp2[j++] = '%';
 969 _start:
 970                                 switch (Ra0[++i]) {
 971                                         case '.':
 972                                         case 'l':
 973                                                 tmp2[j++] = Ra0[i]; goto _start;
 974                                         default:
 975                                                 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
 976                                                         tmp2[j++] = Ra0[i];
 977                                                         goto _start;
 978                                                 }
 979                                                 break;
 980                                 }
 981                                 tmp2[j++] = Ra0[i];
 982                                 tmp2[j] = 0;
 983
 984                                 switch (Ra0[i]) {
 985                                         case 'f': case 'F':
 986                                                 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
 987                                         case 'a': case 'A':
 988                                         case 'e': case 'E':
 989                                         case 'g': case 'G':
 990                                                 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
 991                                         case 'p':
 992                                         case 'i':
 993                                         case 'd': case 'D':
 994                                         case 'o': case 'O':
 995                                         case 'x': case 'X':
 996                                                 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
 997                                         case 'c':
 998                                                 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
 999                                         case 's':
1000                                                 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1001                                         case '%':
1002                                                 *ptmp++ = Ra0[i]; break;
1003                                 }
1004                                 i++;
1005                                 break;
1006                         default:
1007                                 *ptmp++ = Ra0[i++];
1008                 }
1009         }
1010         *ptmp = 0;
1011
1012         memcpy((char*)PSXM(sp), save, 4 * 4);
1013
1014         SysPrintf("%s", tmp);
1015
1016         pc0 = ra;
1017 }
1018
1019 /*
1020  *      long Load(char *name, struct EXEC *header);
1021  */
1022
1023 void psxBios_Load() { // 0x42
1024         EXE_HEADER eheader;
1025
1026 #ifdef PSXBIOS_LOG
1027         PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1028 #endif
1029
1030         if (LoadCdromFile(Ra0, &eheader) == 0) {
1031                 memcpy(Ra1, ((char*)&eheader)+16, sizeof(EXEC));
1032                 v0 = 1;
1033         } else v0 = 0;
1034
1035         pc0 = ra;
1036 }
1037
1038 /*
1039  *      int Exec(struct EXEC *header , int argc , char **argv);
1040  */
1041
1042 void psxBios_Exec() { // 43
1043         EXEC *header = (EXEC*)Ra0;
1044         u32 tmp;
1045
1046 #ifdef PSXBIOS_LOG
1047         PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1048 #endif
1049
1050         header->_sp = sp;
1051         header->_fp = fp;
1052         header->_sp = sp;
1053         header->_gp = gp;
1054         header->ret = ra;
1055         header->base = s0;
1056
1057         if (header->S_addr != 0) {
1058                 tmp = header->S_addr + header->s_size;
1059                 sp = tmp;
1060                 fp = sp;
1061         }
1062
1063         gp = header->gp0;
1064
1065         s0 = a0;
1066
1067         a0 = a1;
1068         a1 = a2;
1069
1070         ra = 0x8000;
1071         pc0 = header->_pc0;
1072 }
1073
1074 void psxBios_FlushCache() { // 44
1075 #ifdef PSXBIOS_LOG
1076         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1077 #endif
1078
1079         pc0 = ra;
1080 }
1081
1082 void psxBios_GPU_dw() { // 0x46
1083         int size;
1084         s32 *ptr;
1085
1086 #ifdef PSXBIOS_LOG
1087         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1088 #endif
1089
1090         GPU_writeData(0xa0000000);
1091         GPU_writeData((a1<<16)|(a0&0xffff));
1092         GPU_writeData((a3<<16)|(a2&0xffff));
1093         size = (a2*a3+1)/2;
1094         ptr = (s32*)PSXM(Rsp[4]);  //that is correct?
1095         do {
1096                 GPU_writeData(SWAP32(*ptr));
1097                 ptr++;
1098         } while(--size);
1099
1100         pc0 = ra;
1101 }
1102
1103 void psxBios_mem2vram() { // 0x47
1104         int size;
1105
1106         GPU_writeData(0xa0000000);
1107         GPU_writeData((a1<<16)|(a0&0xffff));
1108         GPU_writeData((a3<<16)|(a2&0xffff));
1109         size = (a2*a3+1)/2;
1110         GPU_writeStatus(0x04000002);
1111         psxHwWrite32(0x1f8010f4,0);
1112         psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1113         psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1114         psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1115         psxHwWrite32(0x1f8010a8,0x01000201);
1116
1117         pc0 = ra;
1118 }
1119
1120 void psxBios_SendGPU() { // 0x48
1121         GPU_writeStatus(a0);
1122         gpuSyncPluginSR();
1123         pc0 = ra;
1124 }
1125
1126 void psxBios_GPU_cw() { // 0x49
1127         GPU_writeData(a0);
1128         pc0 = ra;
1129 }
1130
1131 void psxBios_GPU_cwb() { // 0x4a
1132         s32 *ptr = (s32*)Ra0;
1133         int size = a1;
1134         while(size--) {
1135                 GPU_writeData(SWAP32(*ptr));
1136                 ptr++;
1137         }
1138
1139         pc0 = ra;
1140 }
1141
1142 void psxBios_GPU_SendPackets() { //4b:
1143         GPU_writeStatus(0x04000002);
1144         psxHwWrite32(0x1f8010f4,0);
1145         psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1146         psxHwWrite32(0x1f8010a0,a0);
1147         psxHwWrite32(0x1f8010a4,0);
1148         psxHwWrite32(0x1f8010a8,0x010000401);
1149         pc0 = ra;
1150 }
1151
1152 void psxBios_sys_a0_4c() { // 0x4c GPU relate
1153         psxHwWrite32(0x1f8010a8,0x00000401);
1154         GPU_writeData(0x0400000);
1155         GPU_writeData(0x0200000);
1156         GPU_writeData(0x0100000);
1157
1158         pc0 = ra;
1159 }
1160
1161 void psxBios_GPU_GetGPUStatus() { // 0x4d
1162         v0 = GPU_readStatus();
1163         pc0 = ra;
1164 }
1165
1166 #undef s_addr
1167
1168 void psxBios_LoadExec() { // 51
1169         EXEC *header = (EXEC*)PSXM(0xf000);
1170         u32 s_addr, s_size;
1171
1172 #ifdef PSXBIOS_LOG
1173         PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1174 #endif
1175         s_addr = a1; s_size = a2;
1176
1177         a1 = 0xf000;
1178         psxBios_Load();
1179
1180         header->S_addr = s_addr;
1181         header->s_size = s_size;
1182
1183         a0 = 0xf000; a1 = 0; a2 = 0;
1184         psxBios_Exec();
1185 }
1186
1187 void psxBios__bu_init() { // 70
1188 #ifdef PSXBIOS_LOG
1189         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1190 #endif
1191
1192         DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1193         DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1194
1195         pc0 = ra;
1196 }
1197
1198 void psxBios__96_init() { // 71
1199 #ifdef PSXBIOS_LOG
1200         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1201 #endif
1202
1203         pc0 = ra;
1204 }
1205
1206 void psxBios__96_remove() { // 72
1207 #ifdef PSXBIOS_LOG
1208         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1209 #endif
1210
1211         pc0 = ra;
1212 }
1213
1214 void psxBios_SetMem() { // 9f
1215         u32 new = psxHu32(0x1060);
1216
1217 #ifdef PSXBIOS_LOG
1218         PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1219 #endif
1220
1221         switch(a0) {
1222                 case 2:
1223                         psxHu32ref(0x1060) = SWAP32(new);
1224                         psxMu32ref(0x060) = a0;
1225                         SysPrintf("Change effective memory : %d MBytes\n",a0);
1226                         break;
1227
1228                 case 8:
1229                         psxHu32ref(0x1060) = SWAP32(new | 0x300);
1230                         psxMu32ref(0x060) = a0;
1231                         SysPrintf("Change effective memory : %d MBytes\n",a0);
1232
1233                 default:
1234                         SysPrintf("Effective memory must be 2/8 MBytes\n");
1235                 break;
1236         }
1237
1238         pc0 = ra;
1239 }
1240
1241 void psxBios__card_info() { // ab
1242 #ifdef PSXBIOS_LOG
1243         PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1244 #endif
1245
1246         card_active_chan = a0;
1247
1248 //      DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1249         DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1250
1251         v0 = 1; pc0 = ra;
1252 }
1253
1254 void psxBios__card_load() { // ac
1255 #ifdef PSXBIOS_LOG
1256         PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1257 #endif
1258
1259         card_active_chan = a0;
1260
1261 //      DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1262         DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1263
1264         v0 = 1; pc0 = ra;
1265 }
1266
1267 /* System calls B0 */
1268
1269 void psxBios_SetRCnt() { // 02
1270 #ifdef PSXBIOS_LOG
1271         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1272 #endif
1273
1274         a0&= 0x3;
1275         if (a0 != 3) {
1276                 u32 mode=0;
1277
1278                 psxRcntWtarget(a0, a1);
1279                 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1280                 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1281                 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1282                 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1283                 else         { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1284
1285                 psxRcntWmode(a0, mode);
1286         }
1287         pc0 = ra;
1288 }
1289
1290 void psxBios_GetRCnt() { // 03
1291 #ifdef PSXBIOS_LOG
1292         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1293 #endif
1294
1295         a0&= 0x3;
1296         if (a0 != 3) v0 = psxRcntRcount(a0);
1297         else v0 = 0;
1298         pc0 = ra;
1299 }
1300
1301 void psxBios_StartRCnt() { // 04
1302 #ifdef PSXBIOS_LOG
1303         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1304 #endif
1305
1306         a0&= 0x3;
1307         if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1308         else psxHu32ref(0x1074)|= SWAPu32(0x1);
1309         v0 = 1; pc0 = ra;
1310 }
1311
1312 void psxBios_StopRCnt() { // 05
1313 #ifdef PSXBIOS_LOG
1314         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1315 #endif
1316
1317         a0&= 0x3;
1318         if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1319         else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1320         pc0 = ra;
1321 }
1322
1323 void psxBios_ResetRCnt() { // 06
1324 #ifdef PSXBIOS_LOG
1325         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1326 #endif
1327
1328         a0&= 0x3;
1329         if (a0 != 3) {
1330                 psxRcntWmode(a0, 0);
1331                 psxRcntWtarget(a0, 0);
1332                 psxRcntWcount(a0, 0);
1333         }
1334         pc0 = ra;
1335 }
1336
1337
1338 /* gets ev for use with Event */
1339 #define GetEv() \
1340         ev = (a0 >> 24) & 0xf; \
1341         if (ev == 0xf) ev = 0x5; \
1342         ev*= 32; \
1343         ev+= a0&0x1f;
1344
1345 /* gets spec for use with Event */
1346 #define GetSpec() \
1347         spec = 0; \
1348         switch (a1) { \
1349                 case 0x0301: spec = 16; break; \
1350                 case 0x0302: spec = 17; break; \
1351                 default: \
1352                         for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1353                         break; \
1354         }
1355
1356 void psxBios_DeliverEvent() { // 07
1357         int ev, spec;
1358         int i;
1359
1360         GetEv();
1361         GetSpec();
1362
1363 #ifdef PSXBIOS_LOG
1364         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1365 #endif
1366
1367         DeliverEvent(ev, spec);
1368
1369         pc0 = ra;
1370 }
1371
1372 void psxBios_OpenEvent() { // 08
1373         int ev, spec;
1374         int i;
1375
1376         GetEv();
1377         GetSpec();
1378
1379 #ifdef PSXBIOS_LOG
1380         PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1381 #endif
1382
1383         Event[ev][spec].status = EvStWAIT;
1384         Event[ev][spec].mode = a2;
1385         Event[ev][spec].fhandler = a3;
1386
1387         v0 = ev | (spec << 8);
1388         pc0 = ra;
1389 }
1390
1391 void psxBios_CloseEvent() { // 09
1392         int ev, spec;
1393
1394         ev   = a0 & 0xff;
1395         spec = (a0 >> 8) & 0xff;
1396
1397 #ifdef PSXBIOS_LOG
1398         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1399 #endif
1400
1401         Event[ev][spec].status = EvStUNUSED;
1402
1403         v0 = 1; pc0 = ra;
1404 }
1405
1406 void psxBios_WaitEvent() { // 0a
1407         int ev, spec;
1408
1409         ev   = a0 & 0xff;
1410         spec = (a0 >> 8) & 0xff;
1411
1412 #ifdef PSXBIOS_LOG
1413         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1414 #endif
1415
1416         Event[ev][spec].status = EvStACTIVE;
1417
1418         v0 = 1; pc0 = ra;
1419 }
1420
1421 void psxBios_TestEvent() { // 0b
1422         int ev, spec;
1423
1424         ev   = a0 & 0xff;
1425         spec = (a0 >> 8) & 0xff;
1426
1427         if (Event[ev][spec].status == EvStALREADY) {
1428                 Event[ev][spec].status = EvStACTIVE; v0 = 1;
1429         } else v0 = 0;
1430
1431 #ifdef PSXBIOS_LOG
1432         PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1433 #endif
1434
1435         pc0 = ra;
1436 }
1437
1438 void psxBios_EnableEvent() { // 0c
1439         int ev, spec;
1440
1441         ev   = a0 & 0xff;
1442         spec = (a0 >> 8) & 0xff;
1443
1444 #ifdef PSXBIOS_LOG
1445         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1446 #endif
1447
1448         Event[ev][spec].status = EvStACTIVE;
1449
1450         v0 = 1; pc0 = ra;
1451 }
1452
1453 void psxBios_DisableEvent() { // 0d
1454         int ev, spec;
1455
1456         ev   = a0 & 0xff;
1457         spec = (a0 >> 8) & 0xff;
1458
1459 #ifdef PSXBIOS_LOG
1460         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1461 #endif
1462
1463         Event[ev][spec].status = EvStWAIT;
1464
1465         v0 = 1; pc0 = ra;
1466 }
1467
1468 /*
1469  *      long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1470  */
1471
1472 void psxBios_OpenTh() { // 0e
1473         int th;
1474
1475         for (th=1; th<8; th++)
1476                 if (Thread[th].status == 0) break;
1477
1478 #ifdef PSXBIOS_LOG
1479         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1480 #endif
1481
1482         Thread[th].status = 1;
1483         Thread[th].func    = a0;
1484         Thread[th].reg[29] = a1;
1485         Thread[th].reg[28] = a2;
1486
1487         v0 = th; pc0 = ra;
1488 }
1489
1490 /*
1491  *      int CloseTh(long thread);
1492  */
1493
1494 void psxBios_CloseTh() { // 0f
1495         int th = a0 & 0xff;
1496
1497 #ifdef PSXBIOS_LOG
1498         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1499 #endif
1500
1501         if (Thread[th].status == 0) {
1502                 v0 = 0;
1503         } else {
1504                 Thread[th].status = 0;
1505                 v0 = 1;
1506         }
1507
1508         pc0 = ra;
1509 }
1510
1511 /*
1512  *      int ChangeTh(long thread);
1513  */
1514
1515 void psxBios_ChangeTh() { // 10
1516         int th = a0 & 0xff;
1517
1518 #ifdef PSXBIOS_LOG
1519 //      PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1520 #endif
1521
1522         if (Thread[th].status == 0 || CurThread == th) {
1523                 v0 = 0;
1524
1525                 pc0 = ra;
1526         } else {
1527                 v0 = 1;
1528
1529                 if (Thread[CurThread].status == 2) {
1530                         Thread[CurThread].status = 1;
1531                         Thread[CurThread].func = ra;
1532                         memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1533                 }
1534
1535                 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1536                 pc0 = Thread[th].func;
1537                 Thread[th].status = 2;
1538                 CurThread = th;
1539         }
1540 }
1541
1542 void psxBios_InitPAD() { // 0x12
1543 #ifdef PSXBIOS_LOG
1544         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1545 #endif
1546
1547         pad_buf1 = (char*)Ra0;
1548         pad_buf1len = a1;
1549         pad_buf2 = (char*)Ra2;
1550         pad_buf2len = a3;
1551
1552         v0 = 1; pc0 = ra;
1553 }
1554
1555 void psxBios_StartPAD() { // 13
1556 #ifdef PSXBIOS_LOG
1557         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1558 #endif
1559
1560         psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1561         psxRegs.CP0.n.Status |= 0x401;
1562         pc0 = ra;
1563 }
1564
1565 void psxBios_StopPAD() { // 14
1566 #ifdef PSXBIOS_LOG
1567         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1568 #endif
1569
1570         pad_buf1 = NULL;
1571         pad_buf2 = NULL;
1572         pc0 = ra;
1573 }
1574
1575 void psxBios_PAD_init() { // 15
1576 #ifdef PSXBIOS_LOG
1577         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1578 #endif
1579         psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1580         pad_buf = (int *)Ra1;
1581         *pad_buf = -1;
1582         psxRegs.CP0.n.Status |= 0x401;
1583         pc0 = ra;
1584 }
1585
1586 void psxBios_PAD_dr() { // 16
1587 #ifdef PSXBIOS_LOG
1588         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1589 #endif
1590
1591         v0 = -1; pc0 = ra;
1592 }
1593
1594 void psxBios_ReturnFromException() { // 17
1595         LoadRegs();
1596
1597         pc0 = psxRegs.CP0.n.EPC;
1598         if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1599
1600         psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1601                                                   ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1602 }
1603
1604 void psxBios_ResetEntryInt() { // 18
1605 #ifdef PSXBIOS_LOG
1606         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1607 #endif
1608
1609         jmp_int = NULL;
1610         pc0 = ra;
1611 }
1612
1613 void psxBios_HookEntryInt() { // 19
1614 #ifdef PSXBIOS_LOG
1615         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
1616 #endif
1617
1618         jmp_int = (u32*)Ra0;
1619         pc0 = ra;
1620 }
1621
1622 void psxBios_UnDeliverEvent() { // 0x20
1623         int ev, spec;
1624         int i;
1625
1626         GetEv();
1627         GetSpec();
1628
1629 #ifdef PSXBIOS_LOG
1630         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
1631 #endif
1632
1633         if (Event[ev][spec].status == EvStALREADY &&
1634                 Event[ev][spec].mode == EvMdNOINTR)
1635                 Event[ev][spec].status = EvStACTIVE;
1636
1637         pc0 = ra;
1638 }
1639
1640 #define buopen(mcd) { \
1641         strcpy(FDesc[1 + mcd].name, Ra0+5); \
1642         FDesc[1 + mcd].offset = 0; \
1643         FDesc[1 + mcd].mode   = a1; \
1644  \
1645         for (i=1; i<16; i++) { \
1646                 ptr = Mcd##mcd##Data + 128 * i; \
1647                 if ((*ptr & 0xF0) != 0x50) continue; \
1648                 if (strcmp(FDesc[1 + mcd].name, ptr+0xa)) continue; \
1649                 FDesc[1 + mcd].mcfile = i; \
1650                 SysPrintf("open %s\n", ptr+0xa); \
1651                 v0 = 1 + mcd; \
1652                 break; \
1653         } \
1654         if (a1 & 0x200 && v0 == -1) { /* FCREAT */ \
1655                 for (i=1; i<16; i++) { \
1656                         int j, xor = 0; \
1657  \
1658                         ptr = Mcd##mcd##Data + 128 * i; \
1659                         if ((*ptr & 0xF0) == 0x50) continue; \
1660                         ptr[0] = 0x50 | (u8)(a1 >> 16); \
1661                         ptr[4] = 0x00; \
1662                         ptr[5] = 0x20; \
1663                         ptr[6] = 0x00; \
1664                         ptr[7] = 0x00; \
1665                         ptr[8] = 'B'; \
1666                         ptr[9] = 'I'; \
1667                         strcpy(ptr+0xa, FDesc[1 + mcd].name); \
1668                         for (j=0; j<127; j++) xor^= ptr[j]; \
1669                         ptr[127] = xor; \
1670                         FDesc[1 + mcd].mcfile = i; \
1671                         SysPrintf("openC %s\n", ptr); \
1672                         v0 = 1 + mcd; \
1673                         SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 128); \
1674                         break; \
1675                 } \
1676         } \
1677 }
1678
1679 /*
1680  *      int open(char *name , int mode);
1681  */
1682
1683 void psxBios_open() { // 0x32
1684         int i;
1685         char *ptr;
1686
1687 #ifdef PSXBIOS_LOG
1688         PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
1689 #endif
1690
1691         v0 = -1;
1692
1693         if (!strncmp(Ra0, "bu00", 4)) {
1694                 buopen(1);
1695         }
1696
1697         if (!strncmp(Ra0, "bu10", 4)) {
1698                 buopen(2);
1699         }
1700
1701         pc0 = ra;
1702 }
1703
1704 /*
1705  *      int lseek(int fd , int offset , int whence);
1706  */
1707
1708 void psxBios_lseek() { // 0x33
1709 #ifdef PSXBIOS_LOG
1710         PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
1711 #endif
1712
1713         switch (a2) {
1714                 case 0: // SEEK_SET
1715                         FDesc[a0].offset = a1;
1716                         v0 = a1;
1717 //                      DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1718 //                      DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1719                         break;
1720
1721                 case 1: // SEEK_CUR
1722                         FDesc[a0].offset+= a1;
1723                         v0 = FDesc[a0].offset;
1724                         break;
1725         }
1726
1727         pc0 = ra;
1728 }
1729
1730 #define buread(mcd) { \
1731         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); \
1732         ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1733         memcpy(Ra1, ptr, a2); \
1734         if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1735         else v0 = a2; \
1736         FDesc[1 + mcd].offset += v0; \
1737         DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1738         DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
1739 }
1740
1741 /*
1742  *      int read(int fd , void *buf , int nbytes);
1743  */
1744
1745 void psxBios_read() { // 0x34
1746         char *ptr;
1747
1748 #ifdef PSXBIOS_LOG
1749         PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
1750 #endif
1751
1752         v0 = -1;
1753
1754         switch (a0) {
1755                 case 2: buread(1); break;
1756                 case 3: buread(2); break;
1757         }
1758
1759         pc0 = ra;
1760 }
1761
1762 #define buwrite(mcd) { \
1763         u32 offset =  + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1764         SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \
1765         ptr = Mcd##mcd##Data + offset; \
1766         memcpy(ptr, Ra1, a2); \
1767         FDesc[1 + mcd].offset += a2; \
1768         SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, offset, a2); \
1769         if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1770         else v0 = a2; \
1771         DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1772         DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
1773 }
1774
1775 /*
1776  *      int write(int fd , void *buf , int nbytes);
1777  */
1778
1779 void psxBios_write() { // 0x35/0x03
1780         char *ptr;
1781
1782         if (a0 == 1) { // stdout
1783                 char *ptr = Ra1;
1784
1785                 while (a2 > 0) {
1786                         SysPrintf("%c", *ptr++); a2--;
1787                 }
1788                 pc0 = ra; return;
1789         }
1790 #ifdef PSXBIOS_LOG
1791         PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
1792 #endif
1793
1794         v0 = -1;
1795
1796         switch (a0) {
1797                 case 2: buwrite(1); break;
1798                 case 3: buwrite(2); break;
1799         }
1800
1801         pc0 = ra;
1802 }
1803
1804 /*
1805  *      int close(int fd);
1806  */
1807
1808 void psxBios_close() { // 0x36
1809 #ifdef PSXBIOS_LOG
1810         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
1811 #endif
1812
1813         v0 = a0;
1814         pc0 = ra;
1815 }
1816
1817 void psxBios_putchar() { // 3d
1818         SysPrintf("%c", (char)a0);
1819         pc0 = ra;
1820 }
1821
1822 void psxBios_puts() { // 3e/3f
1823         SysPrintf("%s", Ra0);
1824         pc0 = ra;
1825 }
1826
1827 char ffile[64], *pfile;
1828 int nfile;
1829
1830 #define bufile(mcd) { \
1831         while (nfile < 16) { \
1832                 int match=1; \
1833  \
1834                 ptr = Mcd##mcd##Data + 128 * nfile; \
1835                 nfile++; \
1836                 if ((*ptr & 0xF0) != 0x50) continue; \
1837                 ptr+= 0xa; \
1838                 if (pfile[0] == 0) { \
1839                         strcpy(dir->name, ptr); \
1840                 } else for (i=0; i<20; i++) { \
1841                         if (pfile[i] == ptr[i]) { \
1842                                 dir->name[i] = ptr[i]; \
1843                                 if (ptr[i] == 0) break; else continue; } \
1844                         if (pfile[i] == '?') { \
1845                                 dir->name[i] = ptr[i]; continue; } \
1846                         if (pfile[i] == '*') { \
1847                                 strcpy(dir->name+i, ptr+i); break; } \
1848                         match = 0; break; \
1849                 } \
1850                 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
1851                 if (match == 0) continue; \
1852                 dir->size = 8192; \
1853                 v0 = _dir; \
1854                 break; \
1855         } \
1856 }
1857
1858 /*
1859  *      struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
1860  */
1861
1862 void psxBios_firstfile() { // 42
1863         struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
1864         u32 _dir = a1;
1865         char *ptr;
1866         int i;
1867
1868 #ifdef PSXBIOS_LOG
1869         PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
1870 #endif
1871
1872         v0 = 0;
1873
1874         strcpy(ffile, Ra0);
1875         pfile = ffile+5;
1876         nfile = 1;
1877         if (!strncmp(Ra0, "bu00", 4)) {
1878                 bufile(1);
1879         } else if (!strncmp(Ra0, "bu10", 4)) {
1880                 bufile(2);
1881         }
1882
1883         // firstfile() calls _card_read() internally, so deliver it's event
1884         DeliverEvent(0x11, 0x2);
1885
1886         pc0 = ra;
1887 }
1888
1889 /*
1890  *      struct DIRENTRY* nextfile(struct DIRENTRY *dir);
1891  */
1892
1893 void psxBios_nextfile() { // 43
1894         struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
1895         u32 _dir = a0;
1896         char *ptr;
1897         int i;
1898
1899 #ifdef PSXBIOS_LOG
1900         PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
1901 #endif
1902
1903         v0 = 0;
1904
1905         if (!strncmp(ffile, "bu00", 4)) {
1906                 bufile(1);
1907         }
1908
1909         if (!strncmp(ffile, "bu10", 4)) {
1910                 bufile(2);
1911         }
1912
1913         pc0 = ra;
1914 }
1915
1916 #define burename(mcd) { \
1917         for (i=1; i<16; i++) { \
1918                 int namelen, j, xor = 0; \
1919                 ptr = Mcd##mcd##Data + 128 * i; \
1920                 if ((*ptr & 0xF0) != 0x50) continue; \
1921                 if (strcmp(Ra0+5, ptr+0xa)) continue; \
1922                 namelen = strlen(Ra1+5); \
1923                 memcpy(ptr+0xa, Ra1+5, namelen); \
1924                 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
1925                 for (j=0; j<127; j++) xor^= ptr[j]; \
1926                 ptr[127] = xor; \
1927                 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
1928                 v0 = 1; \
1929                 break; \
1930         } \
1931 }
1932
1933 /*
1934  *      int rename(char *old, char *new);
1935  */
1936
1937 void psxBios_rename() { // 44
1938         char *ptr;
1939         int i;
1940
1941 #ifdef PSXBIOS_LOG
1942         PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
1943 #endif
1944
1945         v0 = 0;
1946
1947         if (!strncmp(Ra0, "bu00", 4) && !strncmp(Ra1, "bu00", 4)) {
1948                 burename(1);
1949         }
1950
1951         if (!strncmp(Ra0, "bu10", 4) && !strncmp(Ra1, "bu10", 4)) {
1952                 burename(2);
1953         }
1954
1955         pc0 = ra;
1956 }
1957
1958
1959 #define budelete(mcd) { \
1960         for (i=1; i<16; i++) { \
1961                 ptr = Mcd##mcd##Data + 128 * i; \
1962                 if ((*ptr & 0xF0) != 0x50) continue; \
1963                 if (strcmp(Ra0+5, ptr+0xa)) continue; \
1964                 *ptr = (*ptr & 0xf) | 0xA0; \
1965                 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
1966                 SysPrintf("delete %s\n", ptr+0xa); \
1967                 v0 = 1; \
1968                 break; \
1969         } \
1970 }
1971
1972 /*
1973  *      int delete(char *name);
1974  */
1975
1976 void psxBios_delete() { // 45
1977         char *ptr;
1978         int i;
1979
1980 #ifdef PSXBIOS_LOG
1981         PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
1982 #endif
1983
1984         v0 = 0;
1985
1986         if (!strncmp(Ra0, "bu00", 4)) {
1987                 budelete(1);
1988         }
1989
1990         if (!strncmp(Ra0, "bu10", 4)) {
1991                 budelete(2);
1992         }
1993
1994         pc0 = ra;
1995 }
1996
1997 void psxBios_InitCARD() { // 4a
1998 #ifdef PSXBIOS_LOG
1999         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2000 #endif
2001
2002         CardState = 0;
2003
2004         pc0 = ra;
2005 }
2006
2007 void psxBios_StartCARD() { // 4b
2008 #ifdef PSXBIOS_LOG
2009         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2010 #endif
2011
2012         if (CardState == 0) CardState = 1;
2013
2014         pc0 = ra;
2015 }
2016
2017 void psxBios_StopCARD() { // 4c
2018 #ifdef PSXBIOS_LOG
2019         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2020 #endif
2021
2022         if (CardState == 1) CardState = 0;
2023
2024         pc0 = ra;
2025 }
2026
2027 void psxBios__card_write() { // 0x4e
2028         int port;
2029
2030 #ifdef PSXBIOS_LOG
2031         PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2032 #endif
2033
2034         card_active_chan = a0;
2035         port = a0 >> 4;
2036
2037         if (port == 0) {
2038                 memcpy(Mcd1Data + a1 * 128, Ra2, 128);
2039                 SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2040         } else {
2041                 memcpy(Mcd2Data + a1 * 128, Ra2, 128);
2042                 SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2043         }
2044
2045         DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2046 //      DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2047
2048         v0 = 1; pc0 = ra;
2049 }
2050
2051 void psxBios__card_read() { // 0x4f
2052         int port;
2053
2054 #ifdef PSXBIOS_LOG
2055         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2056 #endif
2057
2058         card_active_chan = a0;
2059         port = a0 >> 4;
2060
2061         if (port == 0) {
2062                 memcpy(Ra2, Mcd1Data + a1 * 128, 128);
2063         } else {
2064                 memcpy(Ra2, Mcd2Data + a1 * 128, 128);
2065         }
2066
2067         DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2068 //      DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2069
2070         v0 = 1; pc0 = ra;
2071 }
2072
2073 void psxBios__new_card() { // 0x50
2074 #ifdef PSXBIOS_LOG
2075         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2076 #endif
2077
2078         pc0 = ra;
2079 }
2080
2081 void psxBios_Krom2RawAdd() { // 0x51
2082         int i = 0;
2083
2084         const u32 table_8140[][2] = {
2085                 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2086                 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2087                 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2088                 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2089                 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2090                 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2091                 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2092                 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2093                 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2094                 {0xffff, 0}
2095         };
2096
2097         const u32 table_889f[][2] = {
2098                 {0x889f, 0x3d68},  {0x8900, 0x40ec},  {0x897f, 0x4fb0},  {0x8a00, 0x56f4},
2099                 {0x8a7f, 0x65b8},  {0x8b00, 0x6cfc},  {0x8b7f, 0x7bc0},  {0x8c00, 0x8304},
2100                 {0x8c7f, 0x91c8},  {0x8d00, 0x990c},  {0x8d7f, 0xa7d0},  {0x8e00, 0xaf14},
2101                 {0x8e7f, 0xbdd8},  {0x8f00, 0xc51c},  {0x8f7f, 0xd3e0},  {0x9000, 0xdb24},
2102                 {0x907f, 0xe9e8},  {0x9100, 0xf12c},  {0x917f, 0xfff0},  {0x9200, 0x10734},
2103                 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2104                 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2105                 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2106                 {0xffff, 0}
2107         };
2108
2109         if (a0 >= 0x8140 && a0 <= 0x84be) {
2110                 while (table_8140[i][0] <= a0) i++;
2111                 a0 -= table_8140[i - 1][0];
2112                 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2113         } else if (a0 >= 0x889f && a0 <= 0x9872) {
2114                 while (table_889f[i][0] <= a0) i++;
2115                 a0 -= table_889f[i - 1][0];
2116                 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2117         } else {
2118                 v0 = 0xffffffff;
2119         }
2120
2121         pc0 = ra;
2122 }
2123
2124 void psxBios_GetC0Table() { // 56
2125 #ifdef PSXBIOS_LOG
2126         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2127 #endif
2128
2129         v0 = 0x674; pc0 = ra;
2130 }
2131
2132 void psxBios_GetB0Table() { // 57
2133 #ifdef PSXBIOS_LOG
2134         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2135 #endif
2136
2137         v0 = 0x874; pc0 = ra;
2138 }
2139
2140 void psxBios__card_chan() { // 0x58
2141 #ifdef PSXBIOS_LOG
2142         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2143 #endif
2144
2145         v0 = card_active_chan;
2146         pc0 = ra;
2147 }
2148
2149 void psxBios_ChangeClearPad() { // 5b
2150 #ifdef PSXBIOS_LOG
2151         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2152 #endif
2153
2154         pc0 = ra;
2155 }
2156
2157 /* System calls C0 */
2158
2159 /*
2160  * int SysEnqIntRP(int index , long *queue);
2161  */
2162
2163 void psxBios_SysEnqIntRP() { // 02
2164 #ifdef PSXBIOS_LOG
2165         PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2166 #endif
2167
2168         SysIntRP[a0] = a1;
2169
2170         v0 = 0; pc0 = ra;
2171 }
2172
2173 /*
2174  * int SysDeqIntRP(int index , long *queue);
2175  */
2176
2177 void psxBios_SysDeqIntRP() { // 03
2178 #ifdef PSXBIOS_LOG
2179         PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2180 #endif
2181
2182         SysIntRP[a0] = 0;
2183
2184         v0 = 0; pc0 = ra;
2185 }
2186
2187 void psxBios_ChangeClearRCnt() { // 0a
2188         u32 *ptr;
2189
2190 #ifdef PSXBIOS_LOG
2191         PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2192 #endif
2193
2194         ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2195         v0 = *ptr;
2196         *ptr = a1;
2197
2198 //      psxRegs.CP0.n.Status|= 0x404;
2199         pc0 = ra;
2200 }
2201
2202 void psxBios_dummy() {
2203 #ifdef PSXBIOS_LOG
2204         PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2205 #endif
2206         pc0 = ra;
2207 }
2208
2209 void (*biosA0[256])();
2210 void (*biosB0[256])();
2211 void (*biosC0[256])();
2212
2213 #include "sjisfont.h"
2214
2215 void psxBiosInit() {
2216         u32 base, size;
2217         u32 *ptr;
2218         int i;
2219         uLongf len;
2220
2221         for(i = 0; i < 256; i++) {
2222                 biosA0[i] = NULL;
2223                 biosB0[i] = NULL;
2224                 biosC0[i] = NULL;
2225         }
2226         biosA0[0x3e] = psxBios_puts;
2227         biosA0[0x3f] = psxBios_printf;
2228
2229         biosB0[0x3d] = psxBios_putchar;
2230         biosB0[0x3f] = psxBios_puts;
2231
2232         if (!Config.HLE) return;
2233
2234         for(i = 0; i < 256; i++) {
2235                 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2236                 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2237                 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2238         }
2239
2240         biosA0[0x00] = psxBios_open;
2241         biosA0[0x01] = psxBios_lseek;
2242         biosA0[0x02] = psxBios_read;
2243         biosA0[0x03] = psxBios_write;
2244         biosA0[0x04] = psxBios_close;
2245         //biosA0[0x05] = psxBios_ioctl;
2246         //biosA0[0x06] = psxBios_exit;
2247         //biosA0[0x07] = psxBios_sys_a0_07;
2248         //biosA0[0x08] = psxBios_getc;
2249         //biosA0[0x09] = psxBios_putc;
2250         //biosA0[0x0a] = psxBios_todigit;
2251         //biosA0[0x0b] = psxBios_atof;
2252         //biosA0[0x0c] = psxBios_strtoul;
2253         //biosA0[0x0d] = psxBios_strtol;
2254         biosA0[0x0e] = psxBios_abs;
2255         biosA0[0x0f] = psxBios_labs;
2256         biosA0[0x10] = psxBios_atoi;
2257         biosA0[0x11] = psxBios_atol;
2258         //biosA0[0x12] = psxBios_atob;
2259         biosA0[0x13] = psxBios_setjmp;
2260         biosA0[0x14] = psxBios_longjmp;
2261         biosA0[0x15] = psxBios_strcat;
2262         biosA0[0x16] = psxBios_strncat;
2263         biosA0[0x17] = psxBios_strcmp;
2264         biosA0[0x18] = psxBios_strncmp;
2265         biosA0[0x19] = psxBios_strcpy;
2266         biosA0[0x1a] = psxBios_strncpy;
2267         biosA0[0x1b] = psxBios_strlen;
2268         biosA0[0x1c] = psxBios_index;
2269         biosA0[0x1d] = psxBios_rindex;
2270         biosA0[0x1e] = psxBios_strchr;
2271         biosA0[0x1f] = psxBios_strrchr;
2272         biosA0[0x20] = psxBios_strpbrk;
2273         biosA0[0x21] = psxBios_strspn;
2274         biosA0[0x22] = psxBios_strcspn;
2275         biosA0[0x23] = psxBios_strtok;
2276         biosA0[0x24] = psxBios_strstr;
2277         biosA0[0x25] = psxBios_toupper;
2278         biosA0[0x26] = psxBios_tolower;
2279         biosA0[0x27] = psxBios_bcopy;
2280         biosA0[0x28] = psxBios_bzero;
2281         biosA0[0x29] = psxBios_bcmp;
2282         biosA0[0x2a] = psxBios_memcpy;
2283         biosA0[0x2b] = psxBios_memset;
2284         biosA0[0x2c] = psxBios_memmove;
2285         biosA0[0x2d] = psxBios_memcmp;
2286         biosA0[0x2e] = psxBios_memchr;
2287         biosA0[0x2f] = psxBios_rand;
2288         biosA0[0x30] = psxBios_srand;
2289         biosA0[0x31] = psxBios_qsort;
2290         //biosA0[0x32] = psxBios_strtod;
2291         biosA0[0x33] = psxBios_malloc;
2292         biosA0[0x34] = psxBios_free;
2293         //biosA0[0x35] = psxBios_lsearch;
2294         //biosA0[0x36] = psxBios_bsearch;
2295         biosA0[0x37] = psxBios_calloc;
2296         biosA0[0x38] = psxBios_realloc;
2297         biosA0[0x39] = psxBios_InitHeap;
2298         //biosA0[0x3a] = psxBios__exit;
2299         biosA0[0x3b] = psxBios_getchar;
2300         biosA0[0x3c] = psxBios_putchar;
2301         //biosA0[0x3d] = psxBios_gets;
2302         //biosA0[0x40] = psxBios_sys_a0_40;
2303         //biosA0[0x41] = psxBios_LoadTest;
2304         biosA0[0x42] = psxBios_Load;
2305         biosA0[0x43] = psxBios_Exec;
2306         biosA0[0x44] = psxBios_FlushCache;
2307         //biosA0[0x45] = psxBios_InstallInterruptHandler;
2308         biosA0[0x46] = psxBios_GPU_dw;
2309         biosA0[0x47] = psxBios_mem2vram;
2310         biosA0[0x48] = psxBios_SendGPU;
2311         biosA0[0x49] = psxBios_GPU_cw;
2312         biosA0[0x4a] = psxBios_GPU_cwb;
2313         biosA0[0x4b] = psxBios_GPU_SendPackets;
2314         biosA0[0x4c] = psxBios_sys_a0_4c;
2315         biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2316         //biosA0[0x4e] = psxBios_GPU_sync;
2317         //biosA0[0x4f] = psxBios_sys_a0_4f;
2318         //biosA0[0x50] = psxBios_sys_a0_50;
2319         biosA0[0x51] = psxBios_LoadExec;
2320         //biosA0[0x52] = psxBios_GetSysSp;
2321         //biosA0[0x53] = psxBios_sys_a0_53;
2322         //biosA0[0x54] = psxBios__96_init_a54;
2323         //biosA0[0x55] = psxBios__bu_init_a55;
2324         //biosA0[0x56] = psxBios__96_remove_a56;
2325         //biosA0[0x57] = psxBios_sys_a0_57;
2326         //biosA0[0x58] = psxBios_sys_a0_58;
2327         //biosA0[0x59] = psxBios_sys_a0_59;
2328         //biosA0[0x5a] = psxBios_sys_a0_5a;
2329         //biosA0[0x5b] = psxBios_dev_tty_init;
2330         //biosA0[0x5c] = psxBios_dev_tty_open;
2331         //biosA0[0x5d] = psxBios_sys_a0_5d;
2332         //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2333         //biosA0[0x5f] = psxBios_dev_cd_open;
2334         //biosA0[0x60] = psxBios_dev_cd_read;
2335         //biosA0[0x61] = psxBios_dev_cd_close;
2336         //biosA0[0x62] = psxBios_dev_cd_firstfile;
2337         //biosA0[0x63] = psxBios_dev_cd_nextfile;
2338         //biosA0[0x64] = psxBios_dev_cd_chdir;
2339         //biosA0[0x65] = psxBios_dev_card_open;
2340         //biosA0[0x66] = psxBios_dev_card_read;
2341         //biosA0[0x67] = psxBios_dev_card_write;
2342         //biosA0[0x68] = psxBios_dev_card_close;
2343         //biosA0[0x69] = psxBios_dev_card_firstfile;
2344         //biosA0[0x6a] = psxBios_dev_card_nextfile;
2345         //biosA0[0x6b] = psxBios_dev_card_erase;
2346         //biosA0[0x6c] = psxBios_dev_card_undelete;
2347         //biosA0[0x6d] = psxBios_dev_card_format;
2348         //biosA0[0x6e] = psxBios_dev_card_rename;
2349         //biosA0[0x6f] = psxBios_dev_card_6f;
2350         biosA0[0x70] = psxBios__bu_init;
2351         biosA0[0x71] = psxBios__96_init;
2352         biosA0[0x72] = psxBios__96_remove;
2353         //biosA0[0x73] = psxBios_sys_a0_73;
2354         //biosA0[0x74] = psxBios_sys_a0_74;
2355         //biosA0[0x75] = psxBios_sys_a0_75;
2356         //biosA0[0x76] = psxBios_sys_a0_76;
2357         //biosA0[0x77] = psxBios_sys_a0_77;
2358         //biosA0[0x78] = psxBios__96_CdSeekL;
2359         //biosA0[0x79] = psxBios_sys_a0_79;
2360         //biosA0[0x7a] = psxBios_sys_a0_7a;
2361         //biosA0[0x7b] = psxBios_sys_a0_7b;
2362         //biosA0[0x7c] = psxBios__96_CdGetStatus;
2363         //biosA0[0x7d] = psxBios_sys_a0_7d;
2364         //biosA0[0x7e] = psxBios__96_CdRead;
2365         //biosA0[0x7f] = psxBios_sys_a0_7f;
2366         //biosA0[0x80] = psxBios_sys_a0_80;
2367         //biosA0[0x81] = psxBios_sys_a0_81;
2368         //biosA0[0x82] = psxBios_sys_a0_82;
2369         //biosA0[0x83] = psxBios_sys_a0_83;
2370         //biosA0[0x84] = psxBios_sys_a0_84;
2371         //biosA0[0x85] = psxBios__96_CdStop;
2372         //biosA0[0x86] = psxBios_sys_a0_86;
2373         //biosA0[0x87] = psxBios_sys_a0_87;
2374         //biosA0[0x88] = psxBios_sys_a0_88;
2375         //biosA0[0x89] = psxBios_sys_a0_89;
2376         //biosA0[0x8a] = psxBios_sys_a0_8a;
2377         //biosA0[0x8b] = psxBios_sys_a0_8b;
2378         //biosA0[0x8c] = psxBios_sys_a0_8c;
2379         //biosA0[0x8d] = psxBios_sys_a0_8d;
2380         //biosA0[0x8e] = psxBios_sys_a0_8e;
2381         //biosA0[0x8f] = psxBios_sys_a0_8f;
2382         //biosA0[0x90] = psxBios_sys_a0_90;
2383         //biosA0[0x91] = psxBios_sys_a0_91;
2384         //biosA0[0x92] = psxBios_sys_a0_92;
2385         //biosA0[0x93] = psxBios_sys_a0_93;
2386         //biosA0[0x94] = psxBios_sys_a0_94;
2387         //biosA0[0x95] = psxBios_sys_a0_95;
2388         //biosA0[0x96] = psxBios_AddCDROMDevice;
2389         //biosA0[0x97] = psxBios_AddMemCardDevide;
2390         //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2391         //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2392         //biosA0[0x9a] = psxBios_sys_a0_9a;
2393         //biosA0[0x9b] = psxBios_sys_a0_9b;
2394         //biosA0[0x9c] = psxBios_SetConf;
2395         //biosA0[0x9d] = psxBios_GetConf;
2396         //biosA0[0x9e] = psxBios_sys_a0_9e;
2397         biosA0[0x9f] = psxBios_SetMem;
2398         //biosA0[0xa0] = psxBios__boot;
2399         //biosA0[0xa1] = psxBios_SystemError;
2400         //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2401         //biosA0[0xa3] = psxBios_DequeueCdIntr;
2402         //biosA0[0xa4] = psxBios_sys_a0_a4;
2403         //biosA0[0xa5] = psxBios_ReadSector;
2404         //biosA0[0xa6] = psxBios_get_cd_status;
2405         //biosA0[0xa7] = psxBios_bufs_cb_0;
2406         //biosA0[0xa8] = psxBios_bufs_cb_1;
2407         //biosA0[0xa9] = psxBios_bufs_cb_2;
2408         //biosA0[0xaa] = psxBios_bufs_cb_3;
2409         biosA0[0xab] = psxBios__card_info;
2410         biosA0[0xac] = psxBios__card_load;
2411         //biosA0[0axd] = psxBios__card_auto;
2412         //biosA0[0xae] = psxBios_bufs_cd_4;
2413         //biosA0[0xaf] = psxBios_sys_a0_af;
2414         //biosA0[0xb0] = psxBios_sys_a0_b0;
2415         //biosA0[0xb1] = psxBios_sys_a0_b1;
2416         //biosA0[0xb2] = psxBios_do_a_long_jmp
2417         //biosA0[0xb3] = psxBios_sys_a0_b3;
2418         //biosA0[0xb4] = psxBios_sub_function;
2419 //*******************B0 CALLS****************************
2420         //biosB0[0x00] = psxBios_SysMalloc;
2421         //biosB0[0x01] = psxBios_sys_b0_01;
2422         biosB0[0x02] = psxBios_SetRCnt;
2423         biosB0[0x03] = psxBios_GetRCnt;
2424         biosB0[0x04] = psxBios_StartRCnt;
2425         biosB0[0x05] = psxBios_StopRCnt;
2426         biosB0[0x06] = psxBios_ResetRCnt;
2427         biosB0[0x07] = psxBios_DeliverEvent;
2428         biosB0[0x08] = psxBios_OpenEvent;
2429         biosB0[0x09] = psxBios_CloseEvent;
2430         biosB0[0x0a] = psxBios_WaitEvent;
2431         biosB0[0x0b] = psxBios_TestEvent;
2432         biosB0[0x0c] = psxBios_EnableEvent;
2433         biosB0[0x0d] = psxBios_DisableEvent;
2434         biosB0[0x0e] = psxBios_OpenTh;
2435         biosB0[0x0f] = psxBios_CloseTh;
2436         biosB0[0x10] = psxBios_ChangeTh;
2437         //biosB0[0x11] = psxBios_psxBios_b0_11;
2438         biosB0[0x12] = psxBios_InitPAD;
2439         biosB0[0x13] = psxBios_StartPAD;
2440         biosB0[0x14] = psxBios_StopPAD;
2441         biosB0[0x15] = psxBios_PAD_init;
2442         biosB0[0x16] = psxBios_PAD_dr;
2443         biosB0[0x17] = psxBios_ReturnFromException;
2444         biosB0[0x18] = psxBios_ResetEntryInt;
2445         biosB0[0x19] = psxBios_HookEntryInt;
2446         //biosB0[0x1a] = psxBios_sys_b0_1a;
2447         //biosB0[0x1b] = psxBios_sys_b0_1b;
2448         //biosB0[0x1c] = psxBios_sys_b0_1c;
2449         //biosB0[0x1d] = psxBios_sys_b0_1d;
2450         //biosB0[0x1e] = psxBios_sys_b0_1e;
2451         //biosB0[0x1f] = psxBios_sys_b0_1f;
2452         biosB0[0x20] = psxBios_UnDeliverEvent;
2453         //biosB0[0x21] = psxBios_sys_b0_21;
2454         //biosB0[0x22] = psxBios_sys_b0_22;
2455         //biosB0[0x23] = psxBios_sys_b0_23;
2456         //biosB0[0x24] = psxBios_sys_b0_24;
2457         //biosB0[0x25] = psxBios_sys_b0_25;
2458         //biosB0[0x26] = psxBios_sys_b0_26;
2459         //biosB0[0x27] = psxBios_sys_b0_27;
2460         //biosB0[0x28] = psxBios_sys_b0_28;
2461         //biosB0[0x29] = psxBios_sys_b0_29;
2462         //biosB0[0x2a] = psxBios_sys_b0_2a;
2463         //biosB0[0x2b] = psxBios_sys_b0_2b;
2464         //biosB0[0x2c] = psxBios_sys_b0_2c;
2465         //biosB0[0x2d] = psxBios_sys_b0_2d;
2466         //biosB0[0x2e] = psxBios_sys_b0_2e;
2467         //biosB0[0x2f] = psxBios_sys_b0_2f;
2468         //biosB0[0x30] = psxBios_sys_b0_30;
2469         //biosB0[0x31] = psxBios_sys_b0_31;
2470         biosB0[0x32] = psxBios_open;
2471         biosB0[0x33] = psxBios_lseek;
2472         biosB0[0x34] = psxBios_read;
2473         biosB0[0x35] = psxBios_write;
2474         biosB0[0x36] = psxBios_close;
2475         //biosB0[0x37] = psxBios_ioctl;
2476         //biosB0[0x38] = psxBios_exit;
2477         //biosB0[0x39] = psxBios_sys_b0_39;
2478         //biosB0[0x3a] = psxBios_getc;
2479         //biosB0[0x3b] = psxBios_putc;
2480         biosB0[0x3c] = psxBios_getchar;
2481         //biosB0[0x3e] = psxBios_gets;
2482         //biosB0[0x40] = psxBios_cd;
2483         //biosB0[0x41] = psxBios_format;
2484         biosB0[0x42] = psxBios_firstfile;
2485         biosB0[0x43] = psxBios_nextfile;
2486         biosB0[0x44] = psxBios_rename;
2487         biosB0[0x45] = psxBios_delete;
2488         //biosB0[0x46] = psxBios_undelete;
2489         //biosB0[0x47] = psxBios_AddDevice;
2490         //biosB0[0x48] = psxBios_RemoteDevice;
2491         //biosB0[0x49] = psxBios_PrintInstalledDevices;
2492         biosB0[0x4a] = psxBios_InitCARD;
2493         biosB0[0x4b] = psxBios_StartCARD;
2494         biosB0[0x4c] = psxBios_StopCARD;
2495         //biosB0[0x4d] = psxBios_sys_b0_4d;
2496         biosB0[0x4e] = psxBios__card_write;
2497         biosB0[0x4f] = psxBios__card_read;
2498         biosB0[0x50] = psxBios__new_card;
2499         biosB0[0x51] = psxBios_Krom2RawAdd;
2500         //biosB0[0x52] = psxBios_sys_b0_52;
2501         //biosB0[0x53] = psxBios_sys_b0_53;
2502         //biosB0[0x54] = psxBios__get_errno;
2503         //biosB0[0x55] = psxBios__get_error;
2504         biosB0[0x56] = psxBios_GetC0Table;
2505         biosB0[0x57] = psxBios_GetB0Table;
2506         biosB0[0x58] = psxBios__card_chan;
2507         //biosB0[0x59] = psxBios_sys_b0_59;
2508         //biosB0[0x5a] = psxBios_sys_b0_5a;
2509         biosB0[0x5b] = psxBios_ChangeClearPad;
2510         //biosB0[0x5c] = psxBios__card_status;
2511         //biosB0[0x5d] = psxBios__card_wait;
2512 //*******************C0 CALLS****************************
2513         //biosC0[0x00] = psxBios_InitRCnt;
2514         //biosC0[0x01] = psxBios_InitException;
2515         biosC0[0x02] = psxBios_SysEnqIntRP;
2516         biosC0[0x03] = psxBios_SysDeqIntRP;
2517         //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2518         //biosC0[0x05] = psxBios_get_free_TCB_slot;
2519         //biosC0[0x06] = psxBios_ExceptionHandler;
2520         //biosC0[0x07] = psxBios_InstallExeptionHandler;
2521         //biosC0[0x08] = psxBios_SysInitMemory;
2522         //biosC0[0x09] = psxBios_SysInitKMem;
2523         biosC0[0x0a] = psxBios_ChangeClearRCnt;
2524         //biosC0[0x0b] = psxBios_SystemError;
2525         //biosC0[0x0c] = psxBios_InitDefInt;
2526         //biosC0[0x0d] = psxBios_sys_c0_0d;
2527         //biosC0[0x0e] = psxBios_sys_c0_0e;
2528         //biosC0[0x0f] = psxBios_sys_c0_0f;
2529         //biosC0[0x10] = psxBios_sys_c0_10;
2530         //biosC0[0x11] = psxBios_sys_c0_11;
2531         //biosC0[0x12] = psxBios_InstallDevices;
2532         //biosC0[0x13] = psxBios_FlushStfInOutPut;
2533         //biosC0[0x14] = psxBios_sys_c0_14;
2534         //biosC0[0x15] = psxBios__cdevinput;
2535         //biosC0[0x16] = psxBios__cdevscan;
2536         //biosC0[0x17] = psxBios__circgetc;
2537         //biosC0[0x18] = psxBios__circputc;
2538         //biosC0[0x19] = psxBios_ioabort;
2539         //biosC0[0x1a] = psxBios_sys_c0_1a
2540         //biosC0[0x1b] = psxBios_KernelRedirect;
2541         //biosC0[0x1c] = psxBios_PatchAOTable;
2542 //************** THE END ***************************************
2543 /**/
2544         base = 0x1000;
2545         size = sizeof(EvCB) * 32;
2546         Event = (void *)&psxR[base]; base += size * 6;
2547         memset(Event, 0, size * 6);
2548         HwEV = Event;
2549         EvEV = Event + 32;
2550         RcEV = Event + 32 * 2;
2551         UeEV = Event + 32 * 3;
2552         SwEV = Event + 32 * 4;
2553         ThEV = Event + 32 * 5;
2554
2555         ptr = (u32 *)&psxM[0x0874]; // b0 table
2556         ptr[0] = SWAPu32(0x4c54 - 0x884);
2557
2558         ptr = (u32 *)&psxM[0x0674]; // c0 table
2559         ptr[6] = SWAPu32(0xc80);
2560
2561         memset(SysIntRP, 0, sizeof(SysIntRP));
2562         memset(Thread, 0, sizeof(Thread));
2563         Thread[0].status = 2; // main thread
2564
2565         jmp_int = NULL;
2566         pad_buf = NULL;
2567         pad_buf1 = NULL;
2568         pad_buf2 = NULL;
2569         pad_buf1len = pad_buf2len = 0;
2570         heap_addr = NULL;
2571         heap_end = NULL;
2572         CardState = -1;
2573         CurThread = 0;
2574         memset(FDesc, 0, sizeof(FDesc));
2575
2576         psxMu32ref(0x0150) = SWAPu32(0x160);
2577         psxMu32ref(0x0154) = SWAPu32(0x320);
2578         psxMu32ref(0x0160) = SWAPu32(0x248);
2579         strcpy((char *)&psxM[0x248], "bu");
2580 /*      psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
2581         psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
2582         psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
2583         psxMu32ref(0x09e0) = SWAPu32(0x43d0);
2584         psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
2585 */
2586         // opcode HLE
2587         psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
2588         psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
2589         psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
2590         psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
2591         psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
2592         psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
2593         psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
2594         psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
2595         psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
2596         psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
2597
2598         // initial stack pointer for BIOS interrupt
2599         psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
2600
2601         // initial RNG seed
2602         psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
2603
2604         // fonts
2605         len = 0x80000 - 0x66000;
2606         uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
2607         len = 0x80000 - 0x69d68;
2608         uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
2609
2610         // memory size 2 MB
2611         psxHu32ref(0x1060) = SWAPu32(0x00000b88);
2612
2613         hleSoftCall = FALSE;
2614 }
2615
2616 void psxBiosShutdown() {
2617 }
2618
2619 #define psxBios_PADpoll(pad) { \
2620         PAD##pad##_startPoll(pad); \
2621         pad_buf##pad[0] = 0; \
2622         pad_buf##pad[1] = PAD##pad##_poll(0x42); \
2623         if (!(pad_buf##pad[1] & 0x0f)) { \
2624                 bufcount = 32; \
2625         } else { \
2626                 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
2627         } \
2628         PAD##pad##_poll(0); \
2629         i = 2; \
2630         while (bufcount--) { \
2631                 pad_buf##pad[i++] = PAD##pad##_poll(0); \
2632         } \
2633 }
2634
2635 void biosInterrupt() {
2636         int i, bufcount;
2637
2638 //      if (psxHu32(0x1070) & 0x1) { // Vsync
2639                 if (pad_buf != NULL) {
2640                         u32 *buf = (u32*)pad_buf;
2641
2642                         if (!Config.UseNet) {
2643                                 PAD1_startPoll(1);
2644                                 if (PAD1_poll(0x42) == 0x23) {
2645                                         PAD1_poll(0);
2646                                         *buf = PAD1_poll(0) << 8;
2647                                         *buf |= PAD1_poll(0);
2648                                         PAD1_poll(0);
2649                                         *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
2650                                         *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
2651                                 } else {
2652                                         PAD1_poll(0);
2653                                         *buf = PAD1_poll(0) << 8;
2654                                         *buf|= PAD1_poll(0);
2655                                 }
2656
2657                                 PAD2_startPoll(2);
2658                                 if (PAD2_poll(0x42) == 0x23) {
2659                                         PAD2_poll(0);
2660                                         *buf |= PAD2_poll(0) << 24;
2661                                         *buf |= PAD2_poll(0) << 16;
2662                                         PAD2_poll(0);
2663                                         *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
2664                                         *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
2665                                 } else {
2666                                         PAD2_poll(0);
2667                                         *buf |= PAD2_poll(0) << 24;
2668                                         *buf |= PAD2_poll(0) << 16;
2669                                 }
2670                         } else {
2671                                 u16 data;
2672
2673                                 PAD1_startPoll(1);
2674                                 PAD1_poll(0x42);
2675                                 PAD1_poll(0);
2676                                 data = PAD1_poll(0) << 8;
2677                                 data |= PAD1_poll(0);
2678
2679                                 if (NET_sendPadData(&data, 2) == -1)
2680                                         netError();
2681
2682                                 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
2683                                         netError();
2684                                 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
2685                                         netError();
2686                         }
2687                 }
2688                 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
2689                         psxBios_PADpoll(1);
2690
2691                         if (NET_sendPadData(pad_buf1, i) == -1)
2692                                 netError();
2693
2694                         if (NET_recvPadData(pad_buf1, 1) == -1)
2695                                 netError();
2696                         if (NET_recvPadData(pad_buf2, 2) == -1)
2697                                 netError();
2698                 } else {
2699                         if (pad_buf1) {
2700                                 psxBios_PADpoll(1);
2701                         }
2702
2703                         if (pad_buf2) {
2704                                 psxBios_PADpoll(2);
2705                         }
2706                 }
2707
2708         if (psxHu32(0x1070) & 0x1) { // Vsync
2709                 if (RcEV[3][1].status == EvStACTIVE) {
2710                         softCall(RcEV[3][1].fhandler);
2711 //                      hwWrite32(0x1f801070, ~(1));
2712                 }
2713         }
2714
2715         if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
2716                 int i;
2717
2718                 for (i = 0; i < 3; i++) {
2719                         if (psxHu32(0x1070) & (1 << (i + 4))) {
2720                                 if (RcEV[i][1].status == EvStACTIVE) {
2721                                         softCall(RcEV[i][1].fhandler);
2722                                 }
2723                                 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
2724                         }
2725                 }
2726         }
2727 }
2728
2729 void psxBiosException() {
2730         int i;
2731
2732         switch (psxRegs.CP0.n.Cause & 0x3c) {
2733                 case 0x00: // Interrupt
2734 #ifdef PSXCPU_LOG
2735 //                      PSXCPU_LOG("interrupt\n");
2736 #endif
2737                         SaveRegs();
2738
2739                         sp = psxMu32(0x6c80); // create new stack for interrupt handlers
2740
2741                         biosInterrupt();
2742
2743                         for (i = 0; i < 8; i++) {
2744                                 if (SysIntRP[i]) {
2745                                         u32 *queue = (u32 *)PSXM(SysIntRP[i]);
2746
2747                                         s0 = queue[2];
2748                                         softCall(queue[1]);
2749                                 }
2750                         }
2751
2752                         if (jmp_int != NULL) {
2753                                 int i;
2754
2755                                 psxHwWrite32(0x1f801070, 0xffffffff);
2756
2757                                 ra = jmp_int[0];
2758                                 sp = jmp_int[1];
2759                                 fp = jmp_int[2];
2760                                 for (i = 0; i < 8; i++) // s0-s7
2761                                          psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
2762                                 gp = jmp_int[11];
2763
2764                                 v0 = 1;
2765                                 pc0 = ra;
2766                                 return;
2767                         }
2768                         psxHwWrite16(0x1f801070, 0);
2769                         break;
2770
2771                 case 0x20: // Syscall
2772 #ifdef PSXCPU_LOG
2773                         PSXCPU_LOG("syscall exp %x\n", a0);
2774 #endif
2775                         switch (a0) {
2776                                 case 1: // EnterCritical - disable irq's
2777                                         psxRegs.CP0.n.Status &= ~0x404;
2778 v0=1;   // HDHOSHY experimental patch: Spongebob, Coldblood, fearEffect, Medievil2, Martian Gothic
2779                                         break;
2780
2781                                 case 2: // ExitCritical - enable irq's
2782                                         psxRegs.CP0.n.Status |= 0x404;
2783                                         break;
2784                         }
2785                         pc0 = psxRegs.CP0.n.EPC + 4;
2786
2787                         psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2788                                                                   ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2789                         return;
2790
2791                 default:
2792 #ifdef PSXCPU_LOG
2793                         PSXCPU_LOG("unknown bios exception!\n");
2794 #endif
2795                         break;
2796         }
2797
2798         pc0 = psxRegs.CP0.n.EPC;
2799         if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
2800
2801         psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2802                                                   ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2803 }
2804
2805 #define bfreeze(ptr, size) { \
2806         if (Mode == 1) memcpy(&psxR[base], ptr, size); \
2807         if (Mode == 0) memcpy(ptr, &psxR[base], size); \
2808         base += size; \
2809 }
2810
2811 #define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
2812 #define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
2813
2814 #define bfreezepsxMptr(ptr, type) { \
2815         if (Mode == 1) { \
2816                 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
2817                 else psxRu32ref(base) = 0; \
2818         } else { \
2819                 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
2820                 else (ptr) = NULL; \
2821         } \
2822         base += sizeof(u32); \
2823 }
2824
2825 void psxBiosFreeze(int Mode) {
2826         u32 base = 0x40000;
2827
2828         bfreezepsxMptr(jmp_int, u32);
2829         bfreezepsxMptr(pad_buf, int);
2830         bfreezepsxMptr(pad_buf1, char);
2831         bfreezepsxMptr(pad_buf2, char);
2832         bfreezepsxMptr(heap_addr, u32);
2833         bfreezel(&pad_buf1len);
2834         bfreezel(&pad_buf2len);
2835         bfreezes(regs);
2836         bfreezes(SysIntRP);
2837         bfreezel(&CardState);
2838         bfreezes(Thread);
2839         bfreezel(&CurThread);
2840         bfreezes(FDesc);
2841         bfreezel(&card_active_chan);
2842 }