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