libpcsxcore/psxbios.c

   1 /***************************************************************************
   2  *   Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team              *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA.           *
  18  ***************************************************************************/
  19
  20 /*
  21  * Internal simulated HLE BIOS.
  22  */
  23
  24 // TODO: implement all system calls, count the exact CPU cycles of system calls.
  25
  26 #include "psxbios.h"
  27 #include "psxhw.h"
  28 #include "gpu.h"
  29 #include "sio.h"
  30 #include <zlib.h>
  31
  32 #undef SysPrintf
  33 #define SysPrintf if (Config.PsxOut) printf
  34
  35 char *biosA0n[256] = {
  36 // 0x00
  37         "open",         "lseek",        "read",         "write",
  38         "close",        "ioctl",        "exit",         "sys_a0_07",
  39         "getc",         "putc",         "todigit",      "atof",
  40         "strtoul",      "strtol",       "abs",          "labs",
  41 // 0x10
  42         "atoi",         "atol",         "atob",         "setjmp",
  43         "longjmp",      "strcat",       "strncat",      "strcmp",
  44         "strncmp",      "strcpy",       "strncpy",      "strlen",
  45         "index",        "rindex",       "strchr",       "strrchr",
  46 // 0x20
  47         "strpbrk",      "strspn",       "strcspn",      "strtok",
  48         "strstr",       "toupper",      "tolower",      "bcopy",
  49         "bzero",        "bcmp",         "memcpy",       "memset",
  50         "memmove",      "memcmp",       "memchr",       "rand",
  51 // 0x30
  52         "srand",        "qsort",        "strtod",       "malloc",
  53         "free",         "lsearch",      "bsearch",      "calloc",
  54         "realloc",      "InitHeap",     "_exit",        "getchar",
  55         "putchar",      "gets",         "puts",         "printf",
  56 // 0x40
  57         "sys_a0_40",            "LoadTest",                                     "Load",         "Exec",
  58         "FlushCache",           "InstallInterruptHandler",      "GPU_dw",       "mem2vram",
  59         "SendGPUStatus",        "GPU_cw",                                       "GPU_cwb",      "SendPackets",
  60         "sys_a0_4c",            "GetGPUStatus",                         "GPU_sync",     "sys_a0_4f",
  61 // 0x50
  62         "sys_a0_50",            "LoadExec",                             "GetSysSp",             "sys_a0_53",
  63         "_96_init()",           "_bu_init()",                   "_96_remove()", "sys_a0_57",
  64         "sys_a0_58",            "sys_a0_59",                    "sys_a0_5a",    "dev_tty_init",
  65         "dev_tty_open",         "sys_a0_5d",                    "dev_tty_ioctl","dev_cd_open",
  66 // 0x60
  67         "dev_cd_read",          "dev_cd_close",                 "dev_cd_firstfile",     "dev_cd_nextfile",
  68         "dev_cd_chdir",         "dev_card_open",                "dev_card_read",        "dev_card_write",
  69         "dev_card_close",       "dev_card_firstfile",   "dev_card_nextfile","dev_card_erase",
  70         "dev_card_undelete","dev_card_format",          "dev_card_rename",      "dev_card_6f",
  71 // 0x70
  72         "_bu_init",                     "_96_init",             "_96_remove",           "sys_a0_73",
  73         "sys_a0_74",            "sys_a0_75",    "sys_a0_76",            "sys_a0_77",
  74         "_96_CdSeekL",          "sys_a0_79",    "sys_a0_7a",            "sys_a0_7b",
  75         "_96_CdGetStatus",      "sys_a0_7d",    "_96_CdRead",           "sys_a0_7f",
  76 // 0x80
  77         "sys_a0_80",            "sys_a0_81",    "sys_a0_82",            "sys_a0_83",
  78         "sys_a0_84",            "_96_CdStop",   "sys_a0_86",            "sys_a0_87",
  79         "sys_a0_88",            "sys_a0_89",    "sys_a0_8a",            "sys_a0_8b",
  80         "sys_a0_8c",            "sys_a0_8d",    "sys_a0_8e",            "sys_a0_8f",
  81 // 0x90
  82         "sys_a0_90",            "sys_a0_91",    "sys_a0_92",            "sys_a0_93",
  83         "sys_a0_94",            "sys_a0_95",    "AddCDROMDevice",       "AddMemCardDevide",
  84         "DisableKernelIORedirection",           "EnableKernelIORedirection", "sys_a0_9a", "sys_a0_9b",
  85         "SetConf",                      "GetConf",              "sys_a0_9e",            "SetMem",
  86 // 0xa0
  87         "_boot",                        "SystemError",  "EnqueueCdIntr",        "DequeueCdIntr",
  88         "sys_a0_a4",            "ReadSector",   "get_cd_status",        "bufs_cb_0",
  89         "bufs_cb_1",            "bufs_cb_2",    "bufs_cb_3",            "_card_info",
  90         "_card_load",           "_card_auto",   "bufs_cd_4",            "sys_a0_af",
  91 // 0xb0
  92         "sys_a0_b0",            "sys_a0_b1",    "do_a_long_jmp",        "sys_a0_b3",
  93         "?? sub_function",
  94 };
  95
  96 char *biosB0n[256] = {
  97 // 0x00
  98         "SysMalloc",            "sys_b0_01",    "sys_b0_02",    "sys_b0_03",
  99         "sys_b0_04",            "sys_b0_05",    "sys_b0_06",    "DeliverEvent",
 100         "OpenEvent",            "CloseEvent",   "WaitEvent",    "TestEvent",
 101         "EnableEvent",          "DisableEvent", "OpenTh",               "CloseTh",
 102 // 0x10
 103         "ChangeTh",                     "sys_b0_11",    "InitPAD",              "StartPAD",
 104         "StopPAD",                      "PAD_init",             "PAD_dr",               "ReturnFromExecption",
 105         "ResetEntryInt",        "HookEntryInt", "sys_b0_1a",    "sys_b0_1b",
 106         "sys_b0_1c",            "sys_b0_1d",    "sys_b0_1e",    "sys_b0_1f",
 107 // 0x20
 108         "UnDeliverEvent",       "sys_b0_21",    "sys_b0_22",    "sys_b0_23",
 109         "sys_b0_24",            "sys_b0_25",    "sys_b0_26",    "sys_b0_27",
 110         "sys_b0_28",            "sys_b0_29",    "sys_b0_2a",    "sys_b0_2b",
 111         "sys_b0_2c",            "sys_b0_2d",    "sys_b0_2e",    "sys_b0_2f",
 112 // 0x30
 113         "sys_b0_30",            "sys_b0_31",    "open",                 "lseek",
 114         "read",                         "write",                "close",                "ioctl",
 115         "exit",                         "sys_b0_39",    "getc",                 "putc",
 116         "getchar",                      "putchar",              "gets",                 "puts",
 117 // 0x40
 118         "cd",                           "format",               "firstfile",    "nextfile",
 119         "rename",                       "delete",               "undelete",             "AddDevice",
 120         "RemoteDevice",         "PrintInstalledDevices", "InitCARD", "StartCARD",
 121         "StopCARD",                     "sys_b0_4d",    "_card_write",  "_card_read",
 122 // 0x50
 123         "_new_card",            "Krom2RawAdd",  "sys_b0_52",    "sys_b0_53",
 124         "_get_errno",           "_get_error",   "GetC0Table",   "GetB0Table",
 125         "_card_chan",           "sys_b0_59",    "sys_b0_5a",    "ChangeClearPAD",
 126         "_card_status",         "_card_wait",
 127 };
 128
 129 char *biosC0n[256] = {
 130 // 0x00
 131         "InitRCnt",                       "InitException",              "SysEnqIntRP",          "SysDeqIntRP",
 132         "get_free_EvCB_slot", "get_free_TCB_slot",      "ExceptionHandler",     "InstallExeptionHandler",
 133         "SysInitMemory",          "SysInitKMem",                "ChangeClearRCnt",      "SystemError",
 134         "InitDefInt",             "sys_c0_0d",                  "sys_c0_0e",            "sys_c0_0f",
 135 // 0x10
 136         "sys_c0_10",              "sys_c0_11",                  "InstallDevices",       "FlushStfInOutPut",
 137         "sys_c0_14",              "_cdevinput",                 "_cdevscan",            "_circgetc",
 138         "_circputc",              "ioabort",                    "sys_c0_1a",            "KernelRedirect",
 139         "PatchAOTable",
 140 };
 141
 142 //#define r0 (psxRegs.GPR.n.r0)
 143 #define at (psxRegs.GPR.n.at)
 144 #define v0 (psxRegs.GPR.n.v0)
 145 #define v1 (psxRegs.GPR.n.v1)
 146 #define a0 (psxRegs.GPR.n.a0)
 147 #define a1 (psxRegs.GPR.n.a1)
 148 #define a2 (psxRegs.GPR.n.a2)
 149 #define a3 (psxRegs.GPR.n.a3)
 150 #define t0 (psxRegs.GPR.n.t0)
 151 #define t1 (psxRegs.GPR.n.t1)
 152 #define t2 (psxRegs.GPR.n.t2)
 153 #define t3 (psxRegs.GPR.n.t3)
 154 #define t4 (psxRegs.GPR.n.t4)
 155 #define t5 (psxRegs.GPR.n.t5)
 156 #define t6 (psxRegs.GPR.n.t6)
 157 #define t7 (psxRegs.GPR.n.t7)
 158 #define t8 (psxRegs.GPR.n.t8)
 159 #define t9 (psxRegs.GPR.n.t9)
 160 #define s0 (psxRegs.GPR.n.s0)
 161 #define s1 (psxRegs.GPR.n.s1)
 162 #define s2 (psxRegs.GPR.n.s2)
 163 #define s3 (psxRegs.GPR.n.s3)
 164 #define s4 (psxRegs.GPR.n.s4)
 165 #define s5 (psxRegs.GPR.n.s5)
 166 #define s6 (psxRegs.GPR.n.s6)
 167 #define s7 (psxRegs.GPR.n.s7)
 168 #define k0 (psxRegs.GPR.n.k0)
 169 #define k1 (psxRegs.GPR.n.k1)
 170 #define gp (psxRegs.GPR.n.gp)
 171 #define sp (psxRegs.GPR.n.sp)
 172 #define fp (psxRegs.GPR.n.s8)
 173 #define ra (psxRegs.GPR.n.ra)
 174 #define pc0 (psxRegs.pc)
 175
 176 #define Ra0 ((char *)PSXM(a0))
 177 #define Ra1 ((char *)PSXM(a1))
 178 #define Ra2 ((char *)PSXM(a2))
 179 #define Ra3 ((char *)PSXM(a3))
 180 #define Rv0 ((char *)PSXM(v0))
 181 #define Rsp ((char *)PSXM(sp))
 182
 183 typedef struct {
 184         u32 desc;
 185         s32 status;
 186         s32 mode;
 187         u32 fhandler;
 188 } EvCB[32];
 189
 190 #define EvStUNUSED      0x0000
 191 #define EvStWAIT        0x1000
 192 #define EvStACTIVE      0x2000
 193 #define EvStALREADY 0x4000
 194
 195 #define EvMdINTR        0x1000
 196 #define EvMdNOINTR      0x2000
 197
 198 /*
 199 typedef struct {
 200         s32 next;
 201         s32 func1;
 202         s32 func2;
 203         s32 pad;
 204 } SysRPst;
 205 */
 206
 207 typedef struct {
 208         s32 status;
 209         s32 mode;
 210         u32 reg[32];
 211         u32 func;
 212 } TCB;
 213
 214 typedef struct {
 215         u32 _pc0;
 216         u32 gp0;
 217         u32 t_addr;
 218         u32 t_size;
 219         u32 d_addr;
 220         u32 d_size;
 221         u32 b_addr;
 222         u32 b_size;
 223         u32 S_addr;
 224         u32 s_size;
 225         u32 _sp, _fp, _gp, ret, base;
 226 } EXEC;
 227
 228 struct DIRENTRY {
 229         char name[20];
 230         s32 attr;
 231         s32 size;
 232         u32 next;
 233         s32 head;
 234         char system[4];
 235 };
 236
 237 typedef struct {
 238         char name[32];
 239         u32  mode;
 240         u32  offset;
 241         u32  size;
 242         u32  mcfile;
 243 } FileDesc;
 244
 245 static u32 *jmp_int = NULL;
 246 static int *pad_buf = NULL;
 247 static char *pad_buf1 = NULL, *pad_buf2 = NULL;
 248 static int pad_buf1len, pad_buf2len;
 249
 250 static u32 regs[35];
 251 static EvCB *Event;
 252 static EvCB *HwEV; // 0xf0
 253 static EvCB *EvEV; // 0xf1
 254 static EvCB *RcEV; // 0xf2
 255 static EvCB *UeEV; // 0xf3
 256 static EvCB *SwEV; // 0xf4
 257 static EvCB *ThEV; // 0xff
 258 static u32 *heap_addr = NULL;
 259 static u32 *heap_end = NULL;
 260 static u32 SysIntRP[8];
 261 static int CardState = -1;
 262 static TCB Thread[8];
 263 static int CurThread = 0;
 264 static FileDesc FDesc[32];
 265 static u32 card_active_chan = 0;
 266
 267 boolean hleSoftCall = FALSE;
 268
 269 static inline void softCall(u32 pc) {
 270         pc0 = pc;
 271         ra = 0x80001000;
 272
 273         hleSoftCall = TRUE;
 274
 275         while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
 276
 277         hleSoftCall = FALSE;
 278 }
 279
 280 static inline void softCall2(u32 pc) {
 281         u32 sra = ra;
 282         pc0 = pc;
 283         ra = 0x80001000;
 284
 285         hleSoftCall = TRUE;
 286
 287         while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
 288         ra = sra;
 289
 290         hleSoftCall = FALSE;
 291 }
 292
 293 static inline void DeliverEvent(u32 ev, u32 spec) {
 294         if (Event[ev][spec].status != EvStACTIVE) return;
 295
 296 //      Event[ev][spec].status = EvStALREADY;
 297         if (Event[ev][spec].mode == EvMdINTR) {
 298                 softCall2(Event[ev][spec].fhandler);
 299         } else Event[ev][spec].status = EvStALREADY;
 300 }
 301
 302 static inline void SaveRegs() {
 303         memcpy(regs, psxRegs.GPR.r, 32*4);
 304         regs[32] = psxRegs.GPR.n.lo;
 305         regs[33] = psxRegs.GPR.n.hi;
 306         regs[34] = psxRegs.pc;
 307 }
 308
 309 static inline void LoadRegs() {
 310         memcpy(psxRegs.GPR.r, regs, 32*4);
 311         psxRegs.GPR.n.lo = regs[32];
 312         psxRegs.GPR.n.hi = regs[33];
 313 }
 314
 315 /*                                           *
 316 //                                           *
 317 //                                           *
 318 //               System calls A0             */
 319
 320
 321 void psxBios_abs() { // 0x0e
 322         if ((s32)a0 < 0) v0 = -(s32)a0;
 323         else v0 = a0;
 324         pc0 = ra;
 325 }
 326
 327 void psxBios_labs() { // 0x0f
 328         psxBios_abs();
 329 }
 330
 331 void psxBios_atoi() { // 0x10
 332         s32 n = 0, f = 0;
 333         char *p = (char *)Ra0;
 334
 335         for (;;p++) {
 336                 switch (*p) {
 337                         case ' ': case '\t': continue;
 338                         case '-': f++;
 339                         case '+': p++;
 340                 }
 341                 break;
 342         }
 343
 344         while (*p >= '0' && *p <= '9') {
 345                 n = n * 10 + *p++ - '0';
 346         }
 347
 348         v0 = (f ? -n : n);
 349         pc0 = ra;
 350 }
 351
 352 void psxBios_atol() { // 0x11
 353         psxBios_atoi();
 354 }
 355
 356 void psxBios_setjmp() { // 0x13
 357         u32 *jmp_buf = (u32 *)Ra0;
 358         int i;
 359
 360 #ifdef PSXBIOS_LOG
 361         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]);
 362 #endif
 363
 364         jmp_buf[0] = ra;
 365         jmp_buf[1] = sp;
 366         jmp_buf[2] = fp;
 367         for (i = 0; i < 8; i++) // s0-s7
 368                 jmp_buf[3 + i] = psxRegs.GPR.r[16 + i];
 369         jmp_buf[11] = gp;
 370
 371         v0 = 0; pc0 = ra;
 372 }
 373
 374 void psxBios_longjmp() { // 0x14
 375         u32 *jmp_buf = (u32 *)Ra0;
 376         int i;
 377
 378 #ifdef PSXBIOS_LOG
 379         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]);
 380 #endif
 381
 382         ra = jmp_buf[0]; /* ra */
 383         sp = jmp_buf[1]; /* sp */
 384         fp = jmp_buf[2]; /* fp */
 385         for (i = 0; i < 8; i++) // s0-s7
 386                 psxRegs.GPR.r[16 + i] = jmp_buf[3 + i];
 387         gp = jmp_buf[11]; /* gp */
 388
 389         v0 = a1; pc0 = ra;
 390 }
 391
 392 void psxBios_strcat() { // 0x15
 393         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 394
 395 #ifdef PSXBIOS_LOG
 396         PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1);
 397 #endif
 398
 399         while (*p1++);
 400         --p1;
 401         while ((*p1++ = *p2++) != '\0');
 402
 403         v0 = a0; pc0 = ra;
 404 }
 405
 406 void psxBios_strncat() { // 0x16
 407         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 408         s32 n = a2;
 409
 410 #ifdef PSXBIOS_LOG
 411         PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2);
 412 #endif
 413
 414         while (*p1++);
 415         --p1;
 416         while ((*p1++ = *p2++) != '\0') {
 417                 if (--n < 0) {
 418                         *--p1 = '\0';
 419                         break;
 420                 }
 421         }
 422
 423         v0 = a0; pc0 = ra;
 424 }
 425
 426 void psxBios_strcmp() { // 0x17
 427         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 428
 429 #ifdef PSXBIOS_LOG
 430         PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1);
 431 #endif
 432
 433         while (*p1 == *p2++) {
 434                 if (*p1++ == '\0') {
 435                         v0 = 0;
 436                         pc0 = ra;
 437                         return;
 438                 }
 439         }
 440
 441         v0 = (*p1 - *--p2);
 442         pc0 = ra;
 443 }
 444
 445 void psxBios_strncmp() { // 0x18
 446         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 447         s32 n = a2;
 448
 449 #ifdef PSXBIOS_LOG
 450         PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2);
 451 #endif
 452
 453         while (--n >= 0 && *p1 == *p2++) {
 454                 if (*p1++ == '\0') {
 455                         v0 = 0;
 456                         pc0 = ra;
 457                         return;
 458                 }
 459         }
 460
 461         v0 = (n < 0 ? 0 : *p1 - *--p2);
 462         pc0 = ra;
 463 }
 464
 465 void psxBios_strcpy() { // 0x19
 466         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 467         while ((*p1++ = *p2++) != '\0');
 468
 469         v0 = a0; pc0 = ra;
 470 }
 471
 472 void psxBios_strncpy() { // 0x1a
 473         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 474         s32 n = a2, i;
 475
 476         for (i = 0; i < n; i++) {
 477                 if ((*p1++ = *p2++) == '\0') {
 478                         while (++i < n) {
 479                                 *p1++ = '\0';
 480                         }
 481                         v0 = a0; pc0 = ra;
 482                         return;
 483                 }
 484         }
 485
 486         v0 = a0; pc0 = ra;
 487 }
 488
 489 void psxBios_strlen() { // 0x1b
 490         char *p = (char *)Ra0;
 491         v0 = 0;
 492         while (*p++) v0++;
 493         pc0 = ra;
 494 }
 495
 496 void psxBios_index() { // 0x1c
 497         char *p = (char *)Ra0;
 498
 499         do {
 500                 if (*p == a1) {
 501                         v0 = a0 + (p - (char *)Ra0);
 502                         pc0 = ra;
 503                         return;
 504                 }
 505         } while (*p++ != '\0');
 506
 507         v0 = 0; pc0 = ra;
 508 }
 509
 510 void psxBios_rindex() { // 0x1d
 511         char *p = (char *)Ra0;
 512
 513         v0 = 0;
 514
 515         do {
 516                 if (*p == a1)
 517                         v0 = a0 + (p - (char *)Ra0);
 518         } while (*p++ != '\0');
 519
 520         pc0 = ra;
 521 }
 522
 523 void psxBios_strchr() { // 0x1e
 524         psxBios_index();
 525 }
 526
 527 void psxBios_strrchr() { // 0x1f
 528         psxBios_rindex();
 529 }
 530
 531 void psxBios_strpbrk() { // 0x20
 532         char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc;
 533
 534         while ((c = *p1++) != '\0') {
 535                 for (scanp = p2; (sc = *scanp++) != '\0';) {
 536                         if (sc == c) {
 537                                 v0 = a0 + (p1 - 1 - (char *)Ra0);
 538                                 pc0 = ra;
 539                                 return;
 540                         }
 541                 }
 542         }
 543
 544         // BUG: return a0 instead of NULL if not found
 545         v0 = a0; pc0 = ra;
 546 }
 547
 548 void psxBios_strspn() { // 0x21
 549         char *p1, *p2;
 550
 551         for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
 552                 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
 553                 if (*p2 == '\0') break;
 554         }
 555
 556         v0 = p1 - (char *)Ra0; pc0 = ra;
 557 }
 558
 559 void psxBios_strcspn() { // 0x22
 560         char *p1, *p2;
 561
 562         for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
 563                 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
 564                 if (*p2 != '\0') break;
 565         }
 566
 567         v0 = p1 - (char *)Ra0; pc0 = ra;
 568 }
 569
 570 void psxBios_strtok() { // 0x23
 571         char *pcA0 = (char *)Ra0;
 572         char *pcRet = strtok(pcA0, (char *)Ra1);
 573         if (pcRet)
 574                 v0 = a0 + pcRet - pcA0;
 575         else
 576                 v0 = 0;
 577         pc0 = ra;
 578 }
 579
 580 void psxBios_strstr() { // 0x24
 581         char *p = (char *)Ra0, *p1, *p2;
 582
 583         while (*p != '\0') {
 584                 p1 = p;
 585                 p2 = (char *)Ra1;
 586
 587                 while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) {
 588                         p1++; p2++;
 589                 }
 590
 591                 if (*p2 == '\0') {
 592                         v0 = a0 + (p - (char *)Ra0);
 593                         pc0 = ra;
 594                         return;
 595                 }
 596
 597                 p++;
 598         }
 599
 600         v0 = 0; pc0 = ra;
 601 }
 602
 603 void psxBios_toupper() { // 0x25
 604         v0 = (s8)(a0 & 0xff);
 605         if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A';
 606         pc0 = ra;
 607 }
 608
 609 void psxBios_tolower() { // 0x26
 610         v0 = (s8)(a0 & 0xff);
 611         if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A';
 612         pc0 = ra;
 613 }
 614
 615 void psxBios_bcopy() { // 0x27
 616         char *p1 = (char *)Ra1, *p2 = (char *)Ra0;
 617         while ((s32)a2-- > 0) *p1++ = *p2++;
 618
 619         pc0 = ra;
 620 }
 621
 622 void psxBios_bzero() { // 0x28
 623         char *p = (char *)Ra0;
 624         while ((s32)a1-- > 0) *p++ = '\0';
 625
 626         pc0 = ra;
 627 }
 628
 629 void psxBios_bcmp() { // 0x29
 630         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 631
 632         if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; }
 633
 634         while ((s32)a2-- > 0) {
 635                 if (*p1++ != *p2++) {
 636                         v0 = *p1 - *p2; // BUG: compare the NEXT byte
 637                         pc0 = ra;
 638                         return;
 639                 }
 640         }
 641
 642         v0 = 0; pc0 = ra;
 643 }
 644
 645 void psxBios_memcpy() { // 0x2a
 646         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 647         while ((s32)a2-- > 0) *p1++ = *p2++;
 648
 649         v0 = a0; pc0 = ra;
 650 }
 651
 652 void psxBios_memset() { // 0x2b
 653         char *p = (char *)Ra0;
 654         while ((s32)a2-- > 0) *p++ = (char)a1;
 655
 656         a2 = 0;
 657         v0 = a0; pc0 = ra;
 658 }
 659
 660 void psxBios_memmove() { // 0x2c
 661         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 662
 663         if (p2 <= p1 && p2 + a2 > p1) {
 664                 a2++; // BUG: copy one more byte here
 665                 p1 += a2;
 666                 p2 += a2;
 667                 while ((s32)a2-- > 0) *--p1 = *--p2;
 668         } else {
 669                 while ((s32)a2-- > 0) *p1++ = *p2++;
 670         }
 671
 672         v0 = a0; pc0 = ra;
 673 }
 674
 675 void psxBios_memcmp() { // 0x2d
 676         psxBios_bcmp();
 677 }
 678
 679 void psxBios_memchr() { // 0x2e
 680         char *p = (char *)Ra0;
 681
 682         while ((s32)a2-- > 0) {
 683                 if (*p++ != (s8)a1) continue;
 684                 v0 = a0 + (p - (char *)Ra0 - 1);
 685                 pc0 = ra;
 686                 return;
 687         }
 688
 689         v0 = 0; pc0 = ra;
 690 }
 691
 692 void psxBios_rand() { // 0x2f
 693         u32 s = psxMu32(0x9010) * 1103515245 + 12345;
 694         v0 = (s >> 16) & 0x7fff;
 695         psxMu32ref(0x9010) = SWAPu32(s);
 696         pc0 = ra;
 697 }
 698
 699 void psxBios_srand() { // 0x30
 700         psxMu32ref(0x9010) = SWAPu32(a0);
 701         pc0 = ra;
 702 }
 703
 704 static u32 qscmpfunc, qswidth;
 705
 706 static inline int qscmp(char *a, char *b) {
 707         u32 sa0 = a0;
 708
 709         a0 = sa0 + (a - (char *)PSXM(sa0));
 710         a1 = sa0 + (b - (char *)PSXM(sa0));
 711
 712         softCall2(qscmpfunc);
 713
 714         a0 = sa0;
 715         return (s32)v0;
 716 }
 717
 718 static inline void qexchange(char *i, char *j) {
 719         char t;
 720         int n = qswidth;
 721
 722         do {
 723                 t = *i;
 724                 *i++ = *j;
 725                 *j++ = t;
 726         } while (--n);
 727 }
 728
 729 static inline void q3exchange(char *i, char *j, char *k) {
 730         char t;
 731         int n = qswidth;
 732
 733         do {
 734                 t = *i;
 735                 *i++ = *k;
 736                 *k++ = *j;
 737                 *j++ = t;
 738         } while (--n);
 739 }
 740
 741 static void qsort_main(char *a, char *l) {
 742         char *i, *j, *lp, *hp;
 743         int c;
 744         unsigned int n;
 745
 746 start:
 747         if ((n = l - a) <= qswidth)
 748                 return;
 749         n = qswidth * (n / (2 * qswidth));
 750         hp = lp = a + n;
 751         i = a;
 752         j = l - qswidth;
 753         while (TRUE) {
 754                 if (i < lp) {
 755                         if ((c = qscmp(i, lp)) == 0) {
 756                                 qexchange(i, lp -= qswidth);
 757                                 continue;
 758                         }
 759                         if (c < 0) {
 760                                 i += qswidth;
 761                                 continue;
 762                         }
 763                 }
 764
 765 loop:
 766                 if (j > hp) {
 767                         if ((c = qscmp(hp, j)) == 0) {
 768                                 qexchange(hp += qswidth, j);
 769                                 goto loop;
 770                         }
 771                         if (c > 0) {
 772                                 if (i == lp) {
 773                                         q3exchange(i, hp += qswidth, j);
 774                                         i = lp += qswidth;
 775                                         goto loop;
 776                                 }
 777                                 qexchange(i, j);
 778                                 j -= qswidth;
 779                                 i += qswidth;
 780                                 continue;
 781                         }
 782                         j -= qswidth;
 783                         goto loop;
 784                 }
 785
 786                 if (i == lp) {
 787                         if (lp - a >= l - hp) {
 788                                 qsort_main(hp + qswidth, l);
 789                                 l = lp;
 790                         } else {
 791                                 qsort_main(a, lp);
 792                                 a = hp + qswidth;
 793                         }
 794                         goto start;
 795                 }
 796
 797                 q3exchange(j, lp -= qswidth, i);
 798                 j = hp -= qswidth;
 799         }
 800 }
 801
 802 void psxBios_qsort() { // 0x31
 803         qswidth = a2;
 804         qscmpfunc = a3;
 805         qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
 806
 807         pc0 = ra;
 808 }
 809
 810 void psxBios_malloc() { // 0x33
 811         unsigned int *chunk, *newchunk = NULL;
 812         unsigned int dsize = 0, csize, cstat;
 813         int colflag;
 814 #ifdef PSXBIOS_LOG
 815         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
 816 #endif
 817
 818         // scan through heap and combine free chunks of space
 819         chunk = heap_addr;
 820         colflag = 0;
 821         while(chunk < heap_end) {
 822                 // get size and status of actual chunk
 823                 csize = ((u32)*chunk) & 0xfffffffc;
 824                 cstat = ((u32)*chunk) & 1;
 825
 826                 // it's a free chunk
 827                 if(cstat == 1) {
 828                         if(colflag == 0) {
 829                                 newchunk = chunk;
 830                                 dsize = csize;
 831                                 colflag = 1;                    // let's begin a new collection of free memory
 832                         }
 833                         else dsize += (csize+4);        // add the new size including header
 834                 }
 835                 // not a free chunk: did we start a collection ?
 836                 else {
 837                         if(colflag == 1) {                      // collection is over
 838                                 colflag = 0;
 839                                 *newchunk = SWAP32(dsize | 1);
 840                         }
 841                 }
 842
 843                 // next chunk
 844                 chunk = (u32*)((uptr)chunk + csize + 4);
 845         }
 846         // if neccessary free memory on end of heap
 847         if (colflag == 1)
 848                 *newchunk = SWAP32(dsize | 1);
 849
 850         chunk = heap_addr;
 851         csize = ((u32)*chunk) & 0xfffffffc;
 852         cstat = ((u32)*chunk) & 1;
 853         dsize = (a0 + 3) & 0xfffffffc;
 854
 855         // exit on uninitialized heap
 856         if (chunk == NULL) {
 857                 SysPrintf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
 858                 v0 = 0;
 859                 pc0 = ra;
 860                 return;
 861         }
 862
 863         // search an unused chunk that is big enough until the end of the heap
 864         while ((dsize > csize || cstat == 0) && chunk < heap_end ) {
 865                 chunk = (u32*)((uptr)chunk + csize + 4);
 866                 csize = ((u32)*chunk) & 0xfffffffc;
 867                 cstat = ((u32)*chunk) & 1;
 868         }
 869
 870         // catch out of memory
 871         if(chunk >= heap_end) { SysPrintf("malloc %x,%x: Out of memory error!\n", v0, a0); v0 = 0; pc0 = ra; return; }
 872
 873         // allocate memory
 874         if(dsize == csize) {
 875                 // chunk has same size
 876                 *chunk &= 0xfffffffc;
 877         }
 878         else {
 879                 // split free chunk
 880                 *chunk = SWAP32(dsize);
 881                 newchunk = (u32*)((uptr)chunk + dsize + 4);
 882                 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
 883         }
 884
 885         // return pointer to allocated memory
 886         v0 = ((unsigned long)chunk - (unsigned long)psxM) + 4;
 887         v0|= 0x80000000;
 888         SysPrintf ("malloc %x,%x\n", v0, a0);
 889         pc0 = ra;
 890 }
 891
 892 void psxBios_free() { // 0x34
 893
 894 #ifdef PSXBIOS_LOG
 895         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
 896 #endif
 897
 898         SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
 899
 900         *(u32*)(Ra0-4) |= 1;    // set chunk to free
 901         pc0 = ra;
 902 }
 903
 904 void psxBios_calloc() { // 0x37
 905         void *pv0;
 906 #ifdef PSXBIOS_LOG
 907         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
 908 #endif
 909
 910         a0 = a0 * a1;
 911         psxBios_malloc();
 912         pv0 = Rv0;
 913         if (pv0)
 914                 memset(pv0, 0, a0);
 915 }
 916
 917 void psxBios_realloc() { // 0x38
 918         u32 block = a0;
 919         u32 size = a1;
 920 #ifdef PSXBIOS_LOG
 921         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
 922 #endif
 923
 924         a0 = block;
 925         psxBios_free();
 926         a0 = size;
 927         psxBios_malloc();
 928 }
 929
 930
 931 /* InitHeap(void *block , int n) */
 932 void psxBios_InitHeap() { // 0x39
 933         unsigned int size;
 934
 935 #ifdef PSXBIOS_LOG
 936         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
 937 #endif
 938
 939         if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
 940         else size = a1;
 941
 942         size &= 0xfffffffc;
 943
 944         heap_addr = (u32 *)Ra0;
 945         heap_end = (u32 *)((u8 *)heap_addr + size);
 946         *heap_addr = SWAP32(size | 1);
 947
 948         SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
 949
 950         pc0 = ra;
 951 }
 952
 953 void psxBios_getchar() { //0x3b
 954         v0 = getchar(); pc0 = ra;
 955 }
 956
 957 void psxBios_printf() { // 0x3f
 958         char tmp[1024];
 959         char tmp2[1024];
 960         u32 save[4];
 961         char *ptmp = tmp;
 962         int n=1, i=0, j;
 963         void *psp;
 964
 965         psp = PSXM(sp);
 966         if (psp) {
 967                 memcpy(save, psp, 4 * 4);
 968                 psxMu32ref(sp) = SWAP32((u32)a0);
 969                 psxMu32ref(sp + 4) = SWAP32((u32)a1);
 970                 psxMu32ref(sp + 8) = SWAP32((u32)a2);
 971                 psxMu32ref(sp + 12) = SWAP32((u32)a3);
 972         }
 973
 974         while (Ra0[i]) {
 975                 switch (Ra0[i]) {
 976                         case '%':
 977                                 j = 0;
 978                                 tmp2[j++] = '%';
 979 _start:
 980                                 switch (Ra0[++i]) {
 981                                         case '.':
 982                                         case 'l':
 983                                                 tmp2[j++] = Ra0[i]; goto _start;
 984                                         default:
 985                                                 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
 986                                                         tmp2[j++] = Ra0[i];
 987                                                         goto _start;
 988                                                 }
 989                                                 break;
 990                                 }
 991                                 tmp2[j++] = Ra0[i];
 992                                 tmp2[j] = 0;
 993
 994                                 switch (Ra0[i]) {
 995                                         case 'f': case 'F':
 996                                                 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
 997                                         case 'a': case 'A':
 998                                         case 'e': case 'E':
 999                                         case 'g': case 'G':
1000                                                 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
1001                                         case 'p':
1002                                         case 'i': case 'u':
1003                                         case 'd': case 'D':
1004                                         case 'o': case 'O':
1005                                         case 'x': case 'X':
1006                                                 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
1007                                         case 'c':
1008                                                 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
1009                                         case 's':
1010                                                 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1011                                         case '%':
1012                                                 *ptmp++ = Ra0[i]; break;
1013                                 }
1014                                 i++;
1015                                 break;
1016                         default:
1017                                 *ptmp++ = Ra0[i++];
1018                 }
1019         }
1020         *ptmp = 0;
1021
1022         if (psp)
1023                 memcpy(psp, save, 4 * 4);
1024
1025         SysPrintf("%s", tmp);
1026
1027         pc0 = ra;
1028 }
1029
1030 void psxBios_format() { // 0x41
1031         if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0')
1032         {
1033                 CreateMcd(Config.Mcd1);
1034                 LoadMcd(1, Config.Mcd1);
1035                 v0 = 1;
1036         }
1037         else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0')
1038         {
1039                 CreateMcd(Config.Mcd2);
1040                 LoadMcd(2, Config.Mcd2);
1041                 v0 = 1;
1042         }
1043         else
1044         {
1045                 v0 = 0;
1046         }
1047         pc0 = ra;
1048 }
1049
1050 /*
1051  *      long Load(char *name, struct EXEC *header);
1052  */
1053
1054 void psxBios_Load() { // 0x42
1055         EXE_HEADER eheader;
1056         void *pa1;
1057
1058 #ifdef PSXBIOS_LOG
1059         PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1060 #endif
1061
1062         pa1 = Ra1;
1063         if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) {
1064                 memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC));
1065                 v0 = 1;
1066         } else v0 = 0;
1067
1068         pc0 = ra;
1069 }
1070
1071 /*
1072  *      int Exec(struct EXEC *header , int argc , char **argv);
1073  */
1074
1075 void psxBios_Exec() { // 43
1076         EXEC *header = (EXEC*)Ra0;
1077         u32 tmp;
1078
1079 #ifdef PSXBIOS_LOG
1080         PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1081 #endif
1082
1083         header->_sp = sp;
1084         header->_fp = fp;
1085         header->_sp = sp;
1086         header->_gp = gp;
1087         header->ret = ra;
1088         header->base = s0;
1089
1090         if (header->S_addr != 0) {
1091                 tmp = header->S_addr + header->s_size;
1092                 sp = tmp;
1093                 fp = sp;
1094         }
1095
1096         gp = header->gp0;
1097
1098         s0 = a0;
1099
1100         a0 = a1;
1101         a1 = a2;
1102
1103         ra = 0x8000;
1104         pc0 = header->_pc0;
1105 }
1106
1107 void psxBios_FlushCache() { // 44
1108 #ifdef PSXBIOS_LOG
1109         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1110 #endif
1111
1112         pc0 = ra;
1113 }
1114
1115 void psxBios_GPU_dw() { // 0x46
1116         int size;
1117         s32 *ptr;
1118
1119 #ifdef PSXBIOS_LOG
1120         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1121 #endif
1122
1123         GPU_writeData(0xa0000000);
1124         GPU_writeData((a1<<16)|(a0&0xffff));
1125         GPU_writeData((a3<<16)|(a2&0xffff));
1126         size = (a2*a3+1)/2;
1127         ptr = (s32*)PSXM(Rsp[4]);  //that is correct?
1128         do {
1129                 GPU_writeData(SWAP32(*ptr));
1130                 ptr++;
1131         } while(--size);
1132
1133         pc0 = ra;
1134 }
1135
1136 void psxBios_mem2vram() { // 0x47
1137         int size;
1138
1139         GPU_writeData(0xa0000000);
1140         GPU_writeData((a1<<16)|(a0&0xffff));
1141         GPU_writeData((a3<<16)|(a2&0xffff));
1142         size = (a2*a3+1)/2;
1143         GPU_writeStatus(0x04000002);
1144         psxHwWrite32(0x1f8010f4,0);
1145         psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1146         psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1147         psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1148         psxHwWrite32(0x1f8010a8,0x01000201);
1149
1150         pc0 = ra;
1151 }
1152
1153 void psxBios_SendGPU() { // 0x48
1154         GPU_writeStatus(a0);
1155         gpuSyncPluginSR();
1156         pc0 = ra;
1157 }
1158
1159 void psxBios_GPU_cw() { // 0x49
1160         GPU_writeData(a0);
1161         pc0 = ra;
1162 }
1163
1164 void psxBios_GPU_cwb() { // 0x4a
1165         s32 *ptr = (s32*)Ra0;
1166         int size = a1;
1167         while(size--) {
1168                 GPU_writeData(SWAP32(*ptr));
1169                 ptr++;
1170         }
1171
1172         pc0 = ra;
1173 }
1174
1175 void psxBios_GPU_SendPackets() { //4b:
1176         GPU_writeStatus(0x04000002);
1177         psxHwWrite32(0x1f8010f4,0);
1178         psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1179         psxHwWrite32(0x1f8010a0,a0);
1180         psxHwWrite32(0x1f8010a4,0);
1181         psxHwWrite32(0x1f8010a8,0x010000401);
1182         pc0 = ra;
1183 }
1184
1185 void psxBios_sys_a0_4c() { // 0x4c GPU relate
1186         psxHwWrite32(0x1f8010a8,0x00000401);
1187         GPU_writeData(0x0400000);
1188         GPU_writeData(0x0200000);
1189         GPU_writeData(0x0100000);
1190
1191         pc0 = ra;
1192 }
1193
1194 void psxBios_GPU_GetGPUStatus() { // 0x4d
1195         v0 = GPU_readStatus();
1196         pc0 = ra;
1197 }
1198
1199 #undef s_addr
1200
1201 void psxBios_LoadExec() { // 51
1202         EXEC *header = (EXEC*)PSXM(0xf000);
1203         u32 s_addr, s_size;
1204
1205 #ifdef PSXBIOS_LOG
1206         PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1207 #endif
1208         s_addr = a1; s_size = a2;
1209
1210         a1 = 0xf000;
1211         psxBios_Load();
1212
1213         header->S_addr = s_addr;
1214         header->s_size = s_size;
1215
1216         a0 = 0xf000; a1 = 0; a2 = 0;
1217         psxBios_Exec();
1218 }
1219
1220 void psxBios__bu_init() { // 70
1221 #ifdef PSXBIOS_LOG
1222         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1223 #endif
1224
1225         DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1226         DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1227
1228         pc0 = ra;
1229 }
1230
1231 void psxBios__96_init() { // 71
1232 #ifdef PSXBIOS_LOG
1233         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1234 #endif
1235
1236         pc0 = ra;
1237 }
1238
1239 void psxBios__96_remove() { // 72
1240 #ifdef PSXBIOS_LOG
1241         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1242 #endif
1243
1244         pc0 = ra;
1245 }
1246
1247 void psxBios_SetMem() { // 9f
1248         u32 new = psxHu32(0x1060);
1249
1250 #ifdef PSXBIOS_LOG
1251         PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1252 #endif
1253
1254         switch(a0) {
1255                 case 2:
1256                         psxHu32ref(0x1060) = SWAP32(new);
1257                         psxMu32ref(0x060) = a0;
1258                         SysPrintf("Change effective memory : %d MBytes\n",a0);
1259                         break;
1260
1261                 case 8:
1262                         psxHu32ref(0x1060) = SWAP32(new | 0x300);
1263                         psxMu32ref(0x060) = a0;
1264                         SysPrintf("Change effective memory : %d MBytes\n",a0);
1265
1266                 default:
1267                         SysPrintf("Effective memory must be 2/8 MBytes\n");
1268                 break;
1269         }
1270
1271         pc0 = ra;
1272 }
1273
1274 void psxBios__card_info() { // ab
1275         u8 ret, port;
1276 #ifdef PSXBIOS_LOG
1277         PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1278 #endif
1279
1280         card_active_chan = a0;
1281         port = card_active_chan >> 4;
1282
1283         switch (port) {
1284         case 0x0:
1285         case 0x1:
1286                 ret = 0x2;
1287                 if (McdDisable[port & 1])
1288                         ret = 0x8;
1289                 break;
1290         default:
1291 #ifdef PSXBIOS_LOG
1292                 PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan);
1293 #endif
1294                 ret = 0x11;
1295                 break;
1296         }
1297
1298         if (McdDisable[0] && McdDisable[1])
1299                 ret = 0x8;
1300
1301 //      DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1302 //      DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1303         DeliverEvent(0x81, ret); // 0xf4000001, 0x0004
1304
1305         v0 = 1; pc0 = ra;
1306 }
1307
1308 void psxBios__card_load() { // ac
1309 #ifdef PSXBIOS_LOG
1310         PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1311 #endif
1312
1313         card_active_chan = a0;
1314
1315 //      DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1316         DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1317
1318         v0 = 1; pc0 = ra;
1319 }
1320
1321 /* System calls B0 */
1322
1323 void psxBios_SetRCnt() { // 02
1324 #ifdef PSXBIOS_LOG
1325         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1326 #endif
1327
1328         a0&= 0x3;
1329         if (a0 != 3) {
1330                 u32 mode=0;
1331
1332                 psxRcntWtarget(a0, a1);
1333                 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1334                 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1335                 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1336                 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1337                 else         { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1338
1339                 psxRcntWmode(a0, mode);
1340         }
1341         pc0 = ra;
1342 }
1343
1344 void psxBios_GetRCnt() { // 03
1345 #ifdef PSXBIOS_LOG
1346         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1347 #endif
1348
1349         a0&= 0x3;
1350         if (a0 != 3) v0 = psxRcntRcount(a0);
1351         else v0 = 0;
1352         pc0 = ra;
1353 }
1354
1355 void psxBios_StartRCnt() { // 04
1356 #ifdef PSXBIOS_LOG
1357         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1358 #endif
1359
1360         a0&= 0x3;
1361         if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1362         else psxHu32ref(0x1074)|= SWAPu32(0x1);
1363         v0 = 1; pc0 = ra;
1364 }
1365
1366 void psxBios_StopRCnt() { // 05
1367 #ifdef PSXBIOS_LOG
1368         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1369 #endif
1370
1371         a0&= 0x3;
1372         if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1373         else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1374         pc0 = ra;
1375 }
1376
1377 void psxBios_ResetRCnt() { // 06
1378 #ifdef PSXBIOS_LOG
1379         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1380 #endif
1381
1382         a0&= 0x3;
1383         if (a0 != 3) {
1384                 psxRcntWmode(a0, 0);
1385                 psxRcntWtarget(a0, 0);
1386                 psxRcntWcount(a0, 0);
1387         }
1388         pc0 = ra;
1389 }
1390
1391
1392 /* gets ev for use with Event */
1393 #define GetEv() \
1394         ev = (a0 >> 24) & 0xf; \
1395         if (ev == 0xf) ev = 0x5; \
1396         ev*= 32; \
1397         ev+= a0&0x1f;
1398
1399 /* gets spec for use with Event */
1400 #define GetSpec() \
1401         spec = 0; \
1402         switch (a1) { \
1403                 case 0x0301: spec = 16; break; \
1404                 case 0x0302: spec = 17; break; \
1405                 default: \
1406                         for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1407                         break; \
1408         }
1409
1410 void psxBios_DeliverEvent() { // 07
1411         int ev, spec;
1412         int i;
1413
1414         GetEv();
1415         GetSpec();
1416
1417 #ifdef PSXBIOS_LOG
1418         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1419 #endif
1420
1421         DeliverEvent(ev, spec);
1422
1423         pc0 = ra;
1424 }
1425
1426 void psxBios_OpenEvent() { // 08
1427         int ev, spec;
1428         int i;
1429
1430         GetEv();
1431         GetSpec();
1432
1433 #ifdef PSXBIOS_LOG
1434         PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1435 #endif
1436
1437         Event[ev][spec].status = EvStWAIT;
1438         Event[ev][spec].mode = a2;
1439         Event[ev][spec].fhandler = a3;
1440
1441         v0 = ev | (spec << 8);
1442         pc0 = ra;
1443 }
1444
1445 void psxBios_CloseEvent() { // 09
1446         int ev, spec;
1447
1448         ev   = a0 & 0xff;
1449         spec = (a0 >> 8) & 0xff;
1450
1451 #ifdef PSXBIOS_LOG
1452         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1453 #endif
1454
1455         Event[ev][spec].status = EvStUNUSED;
1456
1457         v0 = 1; pc0 = ra;
1458 }
1459
1460 void psxBios_WaitEvent() { // 0a
1461         int ev, spec;
1462
1463         ev   = a0 & 0xff;
1464         spec = (a0 >> 8) & 0xff;
1465
1466 #ifdef PSXBIOS_LOG
1467         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1468 #endif
1469
1470         Event[ev][spec].status = EvStACTIVE;
1471
1472         v0 = 1; pc0 = ra;
1473 }
1474
1475 void psxBios_TestEvent() { // 0b
1476         int ev, spec;
1477
1478         ev   = a0 & 0xff;
1479         spec = (a0 >> 8) & 0xff;
1480
1481         if (Event[ev][spec].status == EvStALREADY) {
1482                 Event[ev][spec].status = EvStACTIVE; v0 = 1;
1483         } else v0 = 0;
1484
1485 #ifdef PSXBIOS_LOG
1486         PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1487 #endif
1488
1489         pc0 = ra;
1490 }
1491
1492 void psxBios_EnableEvent() { // 0c
1493         int ev, spec;
1494
1495         ev   = a0 & 0xff;
1496         spec = (a0 >> 8) & 0xff;
1497
1498 #ifdef PSXBIOS_LOG
1499         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1500 #endif
1501
1502         Event[ev][spec].status = EvStACTIVE;
1503
1504         v0 = 1; pc0 = ra;
1505 }
1506
1507 void psxBios_DisableEvent() { // 0d
1508         int ev, spec;
1509
1510         ev   = a0 & 0xff;
1511         spec = (a0 >> 8) & 0xff;
1512
1513 #ifdef PSXBIOS_LOG
1514         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1515 #endif
1516
1517         Event[ev][spec].status = EvStWAIT;
1518
1519         v0 = 1; pc0 = ra;
1520 }
1521
1522 /*
1523  *      long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1524  */
1525
1526 void psxBios_OpenTh() { // 0e
1527         int th;
1528
1529         for (th=1; th<8; th++)
1530                 if (Thread[th].status == 0) break;
1531
1532 #ifdef PSXBIOS_LOG
1533         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1534 #endif
1535
1536         Thread[th].status = 1;
1537         Thread[th].func    = a0;
1538         Thread[th].reg[29] = a1;
1539         Thread[th].reg[28] = a2;
1540
1541         v0 = th; pc0 = ra;
1542 }
1543
1544 /*
1545  *      int CloseTh(long thread);
1546  */
1547
1548 void psxBios_CloseTh() { // 0f
1549         int th = a0 & 0xff;
1550
1551 #ifdef PSXBIOS_LOG
1552         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1553 #endif
1554
1555         if (Thread[th].status == 0) {
1556                 v0 = 0;
1557         } else {
1558                 Thread[th].status = 0;
1559                 v0 = 1;
1560         }
1561
1562         pc0 = ra;
1563 }
1564
1565 /*
1566  *      int ChangeTh(long thread);
1567  */
1568
1569 void psxBios_ChangeTh() { // 10
1570         int th = a0 & 0xff;
1571
1572 #ifdef PSXBIOS_LOG
1573 //      PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1574 #endif
1575
1576         if (Thread[th].status == 0 || CurThread == th) {
1577                 v0 = 0;
1578
1579                 pc0 = ra;
1580         } else {
1581                 v0 = 1;
1582
1583                 if (Thread[CurThread].status == 2) {
1584                         Thread[CurThread].status = 1;
1585                         Thread[CurThread].func = ra;
1586                         memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1587                 }
1588
1589                 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1590                 pc0 = Thread[th].func;
1591                 Thread[th].status = 2;
1592                 CurThread = th;
1593         }
1594 }
1595
1596 void psxBios_InitPAD() { // 0x12
1597 #ifdef PSXBIOS_LOG
1598         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1599 #endif
1600
1601         pad_buf1 = (char*)Ra0;
1602         pad_buf1len = a1;
1603         pad_buf2 = (char*)Ra2;
1604         pad_buf2len = a3;
1605
1606         v0 = 1; pc0 = ra;
1607 }
1608
1609 void psxBios_StartPAD() { // 13
1610 #ifdef PSXBIOS_LOG
1611         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1612 #endif
1613
1614         psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1615         psxRegs.CP0.n.Status |= 0x401;
1616         pc0 = ra;
1617 }
1618
1619 void psxBios_StopPAD() { // 14
1620 #ifdef PSXBIOS_LOG
1621         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1622 #endif
1623
1624         pad_buf1 = NULL;
1625         pad_buf2 = NULL;
1626         pc0 = ra;
1627 }
1628
1629 void psxBios_PAD_init() { // 15
1630 #ifdef PSXBIOS_LOG
1631         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1632 #endif
1633         psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1634         pad_buf = (int *)Ra1;
1635         *pad_buf = -1;
1636         psxRegs.CP0.n.Status |= 0x401;
1637         pc0 = ra;
1638 }
1639
1640 void psxBios_PAD_dr() { // 16
1641 #ifdef PSXBIOS_LOG
1642         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1643 #endif
1644
1645         v0 = -1; pc0 = ra;
1646 }
1647
1648 void psxBios_ReturnFromException() { // 17
1649         LoadRegs();
1650
1651         pc0 = psxRegs.CP0.n.EPC;
1652         if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1653
1654         psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1655                                                   ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1656 }
1657
1658 void psxBios_ResetEntryInt() { // 18
1659 #ifdef PSXBIOS_LOG
1660         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1661 #endif
1662
1663         jmp_int = NULL;
1664         pc0 = ra;
1665 }
1666
1667 void psxBios_HookEntryInt() { // 19
1668 #ifdef PSXBIOS_LOG
1669         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
1670 #endif
1671
1672         jmp_int = (u32*)Ra0;
1673         pc0 = ra;
1674 }
1675
1676 void psxBios_UnDeliverEvent() { // 0x20
1677         int ev, spec;
1678         int i;
1679
1680         GetEv();
1681         GetSpec();
1682
1683 #ifdef PSXBIOS_LOG
1684         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
1685 #endif
1686
1687         if (Event[ev][spec].status == EvStALREADY &&
1688                 Event[ev][spec].mode == EvMdNOINTR)
1689                 Event[ev][spec].status = EvStACTIVE;
1690
1691         pc0 = ra;
1692 }
1693
1694 #define buopen(mcd) { \
1695         strcpy(FDesc[1 + mcd].name, Ra0+5); \
1696         FDesc[1 + mcd].offset = 0; \
1697         FDesc[1 + mcd].mode   = a1; \
1698  \
1699         for (i=1; i<16; i++) { \
1700                 ptr = Mcd##mcd##Data + 128 * i; \
1701                 if ((*ptr & 0xF0) != 0x50) continue; \
1702                 if (strcmp(FDesc[1 + mcd].name, ptr+0xa)) continue; \
1703                 FDesc[1 + mcd].mcfile = i; \
1704                 SysPrintf("open %s\n", ptr+0xa); \
1705                 v0 = 1 + mcd; \
1706                 break; \
1707         } \
1708         if (a1 & 0x200 && v0 == -1) { /* FCREAT */ \
1709                 for (i=1; i<16; i++) { \
1710                         int j, xor = 0; \
1711  \
1712                         ptr = Mcd##mcd##Data + 128 * i; \
1713                         if ((*ptr & 0xF0) == 0x50) continue; \
1714                         ptr[0] = 0x50 | (u8)(a1 >> 16); \
1715                         ptr[4] = 0x00; \
1716                         ptr[5] = 0x20; \
1717                         ptr[6] = 0x00; \
1718                         ptr[7] = 0x00; \
1719                         ptr[8] = 'B'; \
1720                         ptr[9] = 'I'; \
1721                         strcpy(ptr+0xa, FDesc[1 + mcd].name); \
1722                         for (j=0; j<127; j++) xor^= ptr[j]; \
1723                         ptr[127] = xor; \
1724                         FDesc[1 + mcd].mcfile = i; \
1725                         SysPrintf("openC %s\n", ptr); \
1726                         v0 = 1 + mcd; \
1727                         SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 128); \
1728                         break; \
1729                 } \
1730         } \
1731 }
1732
1733 /*
1734  *      int open(char *name , int mode);
1735  */
1736
1737 void psxBios_open() { // 0x32
1738         int i;
1739         char *ptr;
1740         void *pa0 = Ra0;
1741
1742 #ifdef PSXBIOS_LOG
1743         PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
1744 #endif
1745
1746         v0 = -1;
1747
1748         if (pa0) {
1749                 if (!strncmp(pa0, "bu00", 4)) {
1750                         buopen(1);
1751                 }
1752
1753                 if (!strncmp(pa0, "bu10", 4)) {
1754                         buopen(2);
1755                 }
1756         }
1757
1758         pc0 = ra;
1759 }
1760
1761 /*
1762  *      int lseek(int fd , int offset , int whence);
1763  */
1764
1765 void psxBios_lseek() { // 0x33
1766 #ifdef PSXBIOS_LOG
1767         PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
1768 #endif
1769
1770         switch (a2) {
1771                 case 0: // SEEK_SET
1772                         FDesc[a0].offset = a1;
1773                         v0 = a1;
1774 //                      DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1775 //                      DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1776                         break;
1777
1778                 case 1: // SEEK_CUR
1779                         FDesc[a0].offset+= a1;
1780                         v0 = FDesc[a0].offset;
1781                         break;
1782         }
1783
1784         pc0 = ra;
1785 }
1786
1787 #define buread(Ra1, mcd) { \
1788         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); \
1789         ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1790         memcpy(Ra1, ptr, a2); \
1791         if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1792         else v0 = a2; \
1793         FDesc[1 + mcd].offset += v0; \
1794         DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1795         DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
1796 }
1797
1798 /*
1799  *      int read(int fd , void *buf , int nbytes);
1800  */
1801
1802 void psxBios_read() { // 0x34
1803         char *ptr;
1804         void *pa1 = Ra1;
1805
1806 #ifdef PSXBIOS_LOG
1807         PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
1808 #endif
1809
1810         v0 = -1;
1811
1812         if (pa1) {
1813                 switch (a0) {
1814                         case 2: buread(pa1, 1); break;
1815                         case 3: buread(pa1, 2); break;
1816                 }
1817         }
1818
1819         pc0 = ra;
1820 }
1821
1822 #define buwrite(Ra1, mcd) { \
1823         u32 offset =  + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1824         SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \
1825         ptr = Mcd##mcd##Data + offset; \
1826         memcpy(ptr, Ra1, a2); \
1827         FDesc[1 + mcd].offset += a2; \
1828         SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, offset, a2); \
1829         if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1830         else v0 = a2; \
1831         DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1832         DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
1833 }
1834
1835 /*
1836  *      int write(int fd , void *buf , int nbytes);
1837  */
1838
1839 void psxBios_write() { // 0x35/0x03
1840         char *ptr;
1841         void *pa1 = Ra1;
1842
1843 #ifdef PSXBIOS_LOG
1844         PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
1845 #endif
1846
1847         v0 = -1;
1848         if (!pa1) {
1849                 pc0 = ra;
1850                 return;
1851         }
1852
1853         if (a0 == 1) { // stdout
1854                 char *ptr = pa1;
1855
1856                 v0 = a2;
1857                 while (a2 > 0) {
1858                         SysPrintf("%c", *ptr++); a2--;
1859                 }
1860                 pc0 = ra; return;
1861         }
1862
1863         switch (a0) {
1864                 case 2: buwrite(pa1, 1); break;
1865                 case 3: buwrite(pa1, 2); break;
1866         }
1867
1868         pc0 = ra;
1869 }
1870
1871 /*
1872  *      int close(int fd);
1873  */
1874
1875 void psxBios_close() { // 0x36
1876 #ifdef PSXBIOS_LOG
1877         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
1878 #endif
1879
1880         v0 = a0;
1881         pc0 = ra;
1882 }
1883
1884 void psxBios_putchar() { // 3d
1885         SysPrintf("%c", (char)a0);
1886         pc0 = ra;
1887 }
1888
1889 void psxBios_puts() { // 3e/3f
1890         SysPrintf("%s", Ra0);
1891         pc0 = ra;
1892 }
1893
1894 char ffile[64], *pfile;
1895 int nfile;
1896
1897 #define bufile(mcd) { \
1898         while (nfile < 16) { \
1899                 int match=1; \
1900  \
1901                 ptr = Mcd##mcd##Data + 128 * nfile; \
1902                 nfile++; \
1903                 if ((*ptr & 0xF0) != 0x50) continue; \
1904                 ptr+= 0xa; \
1905                 if (pfile[0] == 0) { \
1906                         strncpy(dir->name, ptr, sizeof(dir->name)); \
1907                         dir->name[sizeof(dir->name) - 1] = '\0'; \
1908                 } else for (i=0; i<20; i++) { \
1909                         if (pfile[i] == ptr[i]) { \
1910                                 dir->name[i] = ptr[i]; \
1911                                 if (ptr[i] == 0) break; else continue; } \
1912                         if (pfile[i] == '?') { \
1913                                 dir->name[i] = ptr[i]; continue; } \
1914                         if (pfile[i] == '*') { \
1915                                 strcpy(dir->name+i, ptr+i); break; } \
1916                         match = 0; break; \
1917                 } \
1918                 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
1919                 if (match == 0) continue; \
1920                 dir->size = 8192; \
1921                 v0 = _dir; \
1922                 break; \
1923         } \
1924 }
1925
1926 /*
1927  *      struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
1928  */
1929
1930 void psxBios_firstfile() { // 42
1931         struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
1932         void *pa0 = Ra0;
1933         u32 _dir = a1;
1934         char *ptr;
1935         int i;
1936
1937 #ifdef PSXBIOS_LOG
1938         PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
1939 #endif
1940
1941         v0 = 0;
1942
1943         if (pa0) {
1944                 strcpy(ffile, pa0);
1945                 pfile = ffile+5;
1946                 nfile = 1;
1947                 if (!strncmp(pa0, "bu00", 4)) {
1948                         bufile(1);
1949                 } else if (!strncmp(pa0, "bu10", 4)) {
1950                         bufile(2);
1951                 }
1952         }
1953
1954         // firstfile() calls _card_read() internally, so deliver it's event
1955         DeliverEvent(0x11, 0x2);
1956
1957         pc0 = ra;
1958 }
1959
1960 /*
1961  *      struct DIRENTRY* nextfile(struct DIRENTRY *dir);
1962  */
1963
1964 void psxBios_nextfile() { // 43
1965         struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
1966         u32 _dir = a0;
1967         char *ptr;
1968         int i;
1969
1970 #ifdef PSXBIOS_LOG
1971         PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
1972 #endif
1973
1974         v0 = 0;
1975
1976         if (!strncmp(ffile, "bu00", 4)) {
1977                 bufile(1);
1978         }
1979
1980         if (!strncmp(ffile, "bu10", 4)) {
1981                 bufile(2);
1982         }
1983
1984         pc0 = ra;
1985 }
1986
1987 #define burename(mcd) { \
1988         for (i=1; i<16; i++) { \
1989                 int namelen, j, xor = 0; \
1990                 ptr = Mcd##mcd##Data + 128 * i; \
1991                 if ((*ptr & 0xF0) != 0x50) continue; \
1992                 if (strcmp(Ra0+5, ptr+0xa)) continue; \
1993                 namelen = strlen(Ra1+5); \
1994                 memcpy(ptr+0xa, Ra1+5, namelen); \
1995                 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
1996                 for (j=0; j<127; j++) xor^= ptr[j]; \
1997                 ptr[127] = xor; \
1998                 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
1999                 v0 = 1; \
2000                 break; \
2001         } \
2002 }
2003
2004 /*
2005  *      int rename(char *old, char *new);
2006  */
2007
2008 void psxBios_rename() { // 44
2009         void *pa0 = Ra0;
2010         void *pa1 = Ra1;
2011         char *ptr;
2012         int i;
2013
2014 #ifdef PSXBIOS_LOG
2015         PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
2016 #endif
2017
2018         v0 = 0;
2019
2020         if (pa0 && pa1) {
2021                 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
2022                         burename(1);
2023                 }
2024
2025                 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
2026                         burename(2);
2027                 }
2028         }
2029
2030         pc0 = ra;
2031 }
2032
2033
2034 #define budelete(mcd) { \
2035         for (i=1; i<16; i++) { \
2036                 ptr = Mcd##mcd##Data + 128 * i; \
2037                 if ((*ptr & 0xF0) != 0x50) continue; \
2038                 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2039                 *ptr = (*ptr & 0xf) | 0xA0; \
2040                 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
2041                 SysPrintf("delete %s\n", ptr+0xa); \
2042                 v0 = 1; \
2043                 break; \
2044         } \
2045 }
2046
2047 /*
2048  *      int delete(char *name);
2049  */
2050
2051 void psxBios_delete() { // 45
2052         void *pa0 = Ra0;
2053         char *ptr;
2054         int i;
2055
2056 #ifdef PSXBIOS_LOG
2057         PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2058 #endif
2059
2060         v0 = 0;
2061
2062         if (pa0) {
2063                 if (!strncmp(pa0, "bu00", 4)) {
2064                         budelete(1);
2065                 }
2066
2067                 if (!strncmp(pa0, "bu10", 4)) {
2068                         budelete(2);
2069                 }
2070         }
2071
2072         pc0 = ra;
2073 }
2074
2075 void psxBios_InitCARD() { // 4a
2076 #ifdef PSXBIOS_LOG
2077         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2078 #endif
2079
2080         CardState = 0;
2081
2082         pc0 = ra;
2083 }
2084
2085 void psxBios_StartCARD() { // 4b
2086 #ifdef PSXBIOS_LOG
2087         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2088 #endif
2089
2090         if (CardState == 0) CardState = 1;
2091
2092         pc0 = ra;
2093 }
2094
2095 void psxBios_StopCARD() { // 4c
2096 #ifdef PSXBIOS_LOG
2097         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2098 #endif
2099
2100         if (CardState == 1) CardState = 0;
2101
2102         pc0 = ra;
2103 }
2104
2105 void psxBios__card_write() { // 0x4e
2106         void *pa2 = Ra2;
2107         int port;
2108
2109 #ifdef PSXBIOS_LOG
2110         PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2111 #endif
2112
2113         card_active_chan = a0;
2114         port = a0 >> 4;
2115
2116         if (pa2) {
2117                 if (port == 0) {
2118                         memcpy(Mcd1Data + a1 * 128, pa2, 128);
2119                         SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2120                 } else {
2121                         memcpy(Mcd2Data + a1 * 128, pa2, 128);
2122                         SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2123                 }
2124         }
2125
2126         DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2127 //      DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2128
2129         v0 = 1; pc0 = ra;
2130 }
2131
2132 void psxBios__card_read() { // 0x4f
2133         void *pa2 = Ra2;
2134         int port;
2135
2136 #ifdef PSXBIOS_LOG
2137         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2138 #endif
2139
2140         card_active_chan = a0;
2141         port = a0 >> 4;
2142
2143         if (pa2) {
2144                 if (port == 0) {
2145                         memcpy(pa2, Mcd1Data + a1 * 128, 128);
2146                 } else {
2147                         memcpy(pa2, Mcd2Data + a1 * 128, 128);
2148                 }
2149         }
2150
2151         DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2152 //      DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2153
2154         v0 = 1; pc0 = ra;
2155 }
2156
2157 void psxBios__new_card() { // 0x50
2158 #ifdef PSXBIOS_LOG
2159         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2160 #endif
2161
2162         pc0 = ra;
2163 }
2164
2165 void psxBios_Krom2RawAdd() { // 0x51
2166         int i = 0;
2167
2168         const u32 table_8140[][2] = {
2169                 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2170                 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2171                 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2172                 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2173                 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2174                 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2175                 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2176                 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2177                 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2178                 {0xffff, 0}
2179         };
2180
2181         const u32 table_889f[][2] = {
2182                 {0x889f, 0x3d68},  {0x8900, 0x40ec},  {0x897f, 0x4fb0},  {0x8a00, 0x56f4},
2183                 {0x8a7f, 0x65b8},  {0x8b00, 0x6cfc},  {0x8b7f, 0x7bc0},  {0x8c00, 0x8304},
2184                 {0x8c7f, 0x91c8},  {0x8d00, 0x990c},  {0x8d7f, 0xa7d0},  {0x8e00, 0xaf14},
2185                 {0x8e7f, 0xbdd8},  {0x8f00, 0xc51c},  {0x8f7f, 0xd3e0},  {0x9000, 0xdb24},
2186                 {0x907f, 0xe9e8},  {0x9100, 0xf12c},  {0x917f, 0xfff0},  {0x9200, 0x10734},
2187                 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2188                 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2189                 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2190                 {0xffff, 0}
2191         };
2192
2193         if (a0 >= 0x8140 && a0 <= 0x84be) {
2194                 while (table_8140[i][0] <= a0) i++;
2195                 a0 -= table_8140[i - 1][0];
2196                 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2197         } else if (a0 >= 0x889f && a0 <= 0x9872) {
2198                 while (table_889f[i][0] <= a0) i++;
2199                 a0 -= table_889f[i - 1][0];
2200                 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2201         } else {
2202                 v0 = 0xffffffff;
2203         }
2204
2205         pc0 = ra;
2206 }
2207
2208 void psxBios_GetC0Table() { // 56
2209 #ifdef PSXBIOS_LOG
2210         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2211 #endif
2212
2213         v0 = 0x674; pc0 = ra;
2214 }
2215
2216 void psxBios_GetB0Table() { // 57
2217 #ifdef PSXBIOS_LOG
2218         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2219 #endif
2220
2221         v0 = 0x874; pc0 = ra;
2222 }
2223
2224 void psxBios__card_chan() { // 0x58
2225 #ifdef PSXBIOS_LOG
2226         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2227 #endif
2228
2229         v0 = card_active_chan;
2230         pc0 = ra;
2231 }
2232
2233 void psxBios_ChangeClearPad() { // 5b
2234 #ifdef PSXBIOS_LOG
2235         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2236 #endif
2237
2238         pc0 = ra;
2239 }
2240
2241 void psxBios__card_status() { // 5c
2242 #ifdef PSXBIOS_LOG
2243    PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5c], a0);
2244 #endif
2245
2246    v0 = 1;
2247    pc0 = ra;
2248 }
2249
2250 /* System calls C0 */
2251
2252 /*
2253  * int SysEnqIntRP(int index , long *queue);
2254  */
2255
2256 void psxBios_SysEnqIntRP() { // 02
2257 #ifdef PSXBIOS_LOG
2258         PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2259 #endif
2260
2261         SysIntRP[a0] = a1;
2262
2263         v0 = 0; pc0 = ra;
2264 }
2265
2266 /*
2267  * int SysDeqIntRP(int index , long *queue);
2268  */
2269
2270 void psxBios_SysDeqIntRP() { // 03
2271 #ifdef PSXBIOS_LOG
2272         PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2273 #endif
2274
2275         SysIntRP[a0] = 0;
2276
2277         v0 = 0; pc0 = ra;
2278 }
2279
2280 void psxBios_ChangeClearRCnt() { // 0a
2281         u32 *ptr;
2282
2283 #ifdef PSXBIOS_LOG
2284         PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2285 #endif
2286
2287         ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2288         v0 = *ptr;
2289         *ptr = a1;
2290
2291 //      psxRegs.CP0.n.Status|= 0x404;
2292         pc0 = ra;
2293 }
2294
2295 void psxBios_dummy() {
2296 #ifdef PSXBIOS_LOG
2297         PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2298 #endif
2299         pc0 = ra;
2300 }
2301
2302 void (*biosA0[256])();
2303 void (*biosB0[256])();
2304 void (*biosC0[256])();
2305
2306 #include "sjisfont.h"
2307
2308 void psxBiosInit() {
2309         u32 base, size;
2310         u32 *ptr;
2311         int i;
2312         uLongf len;
2313
2314         for(i = 0; i < 256; i++) {
2315                 biosA0[i] = NULL;
2316                 biosB0[i] = NULL;
2317                 biosC0[i] = NULL;
2318         }
2319         biosA0[0x3e] = psxBios_puts;
2320         biosA0[0x3f] = psxBios_printf;
2321
2322         biosB0[0x3d] = psxBios_putchar;
2323         biosB0[0x3f] = psxBios_puts;
2324
2325         if (!Config.HLE) return;
2326
2327         for(i = 0; i < 256; i++) {
2328                 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2329                 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2330                 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2331         }
2332
2333         biosA0[0x00] = psxBios_open;
2334         biosA0[0x01] = psxBios_lseek;
2335         biosA0[0x02] = psxBios_read;
2336         biosA0[0x03] = psxBios_write;
2337         biosA0[0x04] = psxBios_close;
2338         //biosA0[0x05] = psxBios_ioctl;
2339         //biosA0[0x06] = psxBios_exit;
2340         //biosA0[0x07] = psxBios_sys_a0_07;
2341         //biosA0[0x08] = psxBios_getc;
2342         //biosA0[0x09] = psxBios_putc;
2343         //biosA0[0x0a] = psxBios_todigit;
2344         //biosA0[0x0b] = psxBios_atof;
2345         //biosA0[0x0c] = psxBios_strtoul;
2346         //biosA0[0x0d] = psxBios_strtol;
2347         biosA0[0x0e] = psxBios_abs;
2348         biosA0[0x0f] = psxBios_labs;
2349         biosA0[0x10] = psxBios_atoi;
2350         biosA0[0x11] = psxBios_atol;
2351         //biosA0[0x12] = psxBios_atob;
2352         biosA0[0x13] = psxBios_setjmp;
2353         biosA0[0x14] = psxBios_longjmp;
2354         biosA0[0x15] = psxBios_strcat;
2355         biosA0[0x16] = psxBios_strncat;
2356         biosA0[0x17] = psxBios_strcmp;
2357         biosA0[0x18] = psxBios_strncmp;
2358         biosA0[0x19] = psxBios_strcpy;
2359         biosA0[0x1a] = psxBios_strncpy;
2360         biosA0[0x1b] = psxBios_strlen;
2361         biosA0[0x1c] = psxBios_index;
2362         biosA0[0x1d] = psxBios_rindex;
2363         biosA0[0x1e] = psxBios_strchr;
2364         biosA0[0x1f] = psxBios_strrchr;
2365         biosA0[0x20] = psxBios_strpbrk;
2366         biosA0[0x21] = psxBios_strspn;
2367         biosA0[0x22] = psxBios_strcspn;
2368         biosA0[0x23] = psxBios_strtok;
2369         biosA0[0x24] = psxBios_strstr;
2370         biosA0[0x25] = psxBios_toupper;
2371         biosA0[0x26] = psxBios_tolower;
2372         biosA0[0x27] = psxBios_bcopy;
2373         biosA0[0x28] = psxBios_bzero;
2374         biosA0[0x29] = psxBios_bcmp;
2375         biosA0[0x2a] = psxBios_memcpy;
2376         biosA0[0x2b] = psxBios_memset;
2377         biosA0[0x2c] = psxBios_memmove;
2378         biosA0[0x2d] = psxBios_memcmp;
2379         biosA0[0x2e] = psxBios_memchr;
2380         biosA0[0x2f] = psxBios_rand;
2381         biosA0[0x30] = psxBios_srand;
2382         biosA0[0x31] = psxBios_qsort;
2383         //biosA0[0x32] = psxBios_strtod;
2384         biosA0[0x33] = psxBios_malloc;
2385         biosA0[0x34] = psxBios_free;
2386         //biosA0[0x35] = psxBios_lsearch;
2387         //biosA0[0x36] = psxBios_bsearch;
2388         biosA0[0x37] = psxBios_calloc;
2389         biosA0[0x38] = psxBios_realloc;
2390         biosA0[0x39] = psxBios_InitHeap;
2391         //biosA0[0x3a] = psxBios__exit;
2392         biosA0[0x3b] = psxBios_getchar;
2393         biosA0[0x3c] = psxBios_putchar;
2394         //biosA0[0x3d] = psxBios_gets;
2395         //biosA0[0x40] = psxBios_sys_a0_40;
2396         //biosA0[0x41] = psxBios_LoadTest;
2397         biosA0[0x42] = psxBios_Load;
2398         biosA0[0x43] = psxBios_Exec;
2399         biosA0[0x44] = psxBios_FlushCache;
2400         //biosA0[0x45] = psxBios_InstallInterruptHandler;
2401         biosA0[0x46] = psxBios_GPU_dw;
2402         biosA0[0x47] = psxBios_mem2vram;
2403         biosA0[0x48] = psxBios_SendGPU;
2404         biosA0[0x49] = psxBios_GPU_cw;
2405         biosA0[0x4a] = psxBios_GPU_cwb;
2406         biosA0[0x4b] = psxBios_GPU_SendPackets;
2407         biosA0[0x4c] = psxBios_sys_a0_4c;
2408         biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2409         //biosA0[0x4e] = psxBios_GPU_sync;
2410         //biosA0[0x4f] = psxBios_sys_a0_4f;
2411         //biosA0[0x50] = psxBios_sys_a0_50;
2412         biosA0[0x51] = psxBios_LoadExec;
2413         //biosA0[0x52] = psxBios_GetSysSp;
2414         //biosA0[0x53] = psxBios_sys_a0_53;
2415         //biosA0[0x54] = psxBios__96_init_a54;
2416         //biosA0[0x55] = psxBios__bu_init_a55;
2417         //biosA0[0x56] = psxBios__96_remove_a56;
2418         //biosA0[0x57] = psxBios_sys_a0_57;
2419         //biosA0[0x58] = psxBios_sys_a0_58;
2420         //biosA0[0x59] = psxBios_sys_a0_59;
2421         //biosA0[0x5a] = psxBios_sys_a0_5a;
2422         //biosA0[0x5b] = psxBios_dev_tty_init;
2423         //biosA0[0x5c] = psxBios_dev_tty_open;
2424         //biosA0[0x5d] = psxBios_sys_a0_5d;
2425         //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2426         //biosA0[0x5f] = psxBios_dev_cd_open;
2427         //biosA0[0x60] = psxBios_dev_cd_read;
2428         //biosA0[0x61] = psxBios_dev_cd_close;
2429         //biosA0[0x62] = psxBios_dev_cd_firstfile;
2430         //biosA0[0x63] = psxBios_dev_cd_nextfile;
2431         //biosA0[0x64] = psxBios_dev_cd_chdir;
2432         //biosA0[0x65] = psxBios_dev_card_open;
2433         //biosA0[0x66] = psxBios_dev_card_read;
2434         //biosA0[0x67] = psxBios_dev_card_write;
2435         //biosA0[0x68] = psxBios_dev_card_close;
2436         //biosA0[0x69] = psxBios_dev_card_firstfile;
2437         //biosA0[0x6a] = psxBios_dev_card_nextfile;
2438         //biosA0[0x6b] = psxBios_dev_card_erase;
2439         //biosA0[0x6c] = psxBios_dev_card_undelete;
2440         //biosA0[0x6d] = psxBios_dev_card_format;
2441         //biosA0[0x6e] = psxBios_dev_card_rename;
2442         //biosA0[0x6f] = psxBios_dev_card_6f;
2443         biosA0[0x70] = psxBios__bu_init;
2444         biosA0[0x71] = psxBios__96_init;
2445         biosA0[0x72] = psxBios__96_remove;
2446         //biosA0[0x73] = psxBios_sys_a0_73;
2447         //biosA0[0x74] = psxBios_sys_a0_74;
2448         //biosA0[0x75] = psxBios_sys_a0_75;
2449         //biosA0[0x76] = psxBios_sys_a0_76;
2450         //biosA0[0x77] = psxBios_sys_a0_77;
2451         //biosA0[0x78] = psxBios__96_CdSeekL;
2452         //biosA0[0x79] = psxBios_sys_a0_79;
2453         //biosA0[0x7a] = psxBios_sys_a0_7a;
2454         //biosA0[0x7b] = psxBios_sys_a0_7b;
2455         //biosA0[0x7c] = psxBios__96_CdGetStatus;
2456         //biosA0[0x7d] = psxBios_sys_a0_7d;
2457         //biosA0[0x7e] = psxBios__96_CdRead;
2458         //biosA0[0x7f] = psxBios_sys_a0_7f;
2459         //biosA0[0x80] = psxBios_sys_a0_80;
2460         //biosA0[0x81] = psxBios_sys_a0_81;
2461         //biosA0[0x82] = psxBios_sys_a0_82;
2462         //biosA0[0x83] = psxBios_sys_a0_83;
2463         //biosA0[0x84] = psxBios_sys_a0_84;
2464         //biosA0[0x85] = psxBios__96_CdStop;
2465         //biosA0[0x86] = psxBios_sys_a0_86;
2466         //biosA0[0x87] = psxBios_sys_a0_87;
2467         //biosA0[0x88] = psxBios_sys_a0_88;
2468         //biosA0[0x89] = psxBios_sys_a0_89;
2469         //biosA0[0x8a] = psxBios_sys_a0_8a;
2470         //biosA0[0x8b] = psxBios_sys_a0_8b;
2471         //biosA0[0x8c] = psxBios_sys_a0_8c;
2472         //biosA0[0x8d] = psxBios_sys_a0_8d;
2473         //biosA0[0x8e] = psxBios_sys_a0_8e;
2474         //biosA0[0x8f] = psxBios_sys_a0_8f;
2475         //biosA0[0x90] = psxBios_sys_a0_90;
2476         //biosA0[0x91] = psxBios_sys_a0_91;
2477         //biosA0[0x92] = psxBios_sys_a0_92;
2478         //biosA0[0x93] = psxBios_sys_a0_93;
2479         //biosA0[0x94] = psxBios_sys_a0_94;
2480         //biosA0[0x95] = psxBios_sys_a0_95;
2481         //biosA0[0x96] = psxBios_AddCDROMDevice;
2482         //biosA0[0x97] = psxBios_AddMemCardDevide;
2483         //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2484         //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2485         //biosA0[0x9a] = psxBios_sys_a0_9a;
2486         //biosA0[0x9b] = psxBios_sys_a0_9b;
2487         //biosA0[0x9c] = psxBios_SetConf;
2488         //biosA0[0x9d] = psxBios_GetConf;
2489         //biosA0[0x9e] = psxBios_sys_a0_9e;
2490         biosA0[0x9f] = psxBios_SetMem;
2491         //biosA0[0xa0] = psxBios__boot;
2492         //biosA0[0xa1] = psxBios_SystemError;
2493         //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2494         //biosA0[0xa3] = psxBios_DequeueCdIntr;
2495         //biosA0[0xa4] = psxBios_sys_a0_a4;
2496         //biosA0[0xa5] = psxBios_ReadSector;
2497         //biosA0[0xa6] = psxBios_get_cd_status;
2498         //biosA0[0xa7] = psxBios_bufs_cb_0;
2499         //biosA0[0xa8] = psxBios_bufs_cb_1;
2500         //biosA0[0xa9] = psxBios_bufs_cb_2;
2501         //biosA0[0xaa] = psxBios_bufs_cb_3;
2502         biosA0[0xab] = psxBios__card_info;
2503         biosA0[0xac] = psxBios__card_load;
2504         //biosA0[0axd] = psxBios__card_auto;
2505         //biosA0[0xae] = psxBios_bufs_cd_4;
2506         //biosA0[0xaf] = psxBios_sys_a0_af;
2507         //biosA0[0xb0] = psxBios_sys_a0_b0;
2508         //biosA0[0xb1] = psxBios_sys_a0_b1;
2509         //biosA0[0xb2] = psxBios_do_a_long_jmp
2510         //biosA0[0xb3] = psxBios_sys_a0_b3;
2511         //biosA0[0xb4] = psxBios_sub_function;
2512 //*******************B0 CALLS****************************
2513         //biosB0[0x00] = psxBios_SysMalloc;
2514         //biosB0[0x01] = psxBios_sys_b0_01;
2515         biosB0[0x02] = psxBios_SetRCnt;
2516         biosB0[0x03] = psxBios_GetRCnt;
2517         biosB0[0x04] = psxBios_StartRCnt;
2518         biosB0[0x05] = psxBios_StopRCnt;
2519         biosB0[0x06] = psxBios_ResetRCnt;
2520         biosB0[0x07] = psxBios_DeliverEvent;
2521         biosB0[0x08] = psxBios_OpenEvent;
2522         biosB0[0x09] = psxBios_CloseEvent;
2523         biosB0[0x0a] = psxBios_WaitEvent;
2524         biosB0[0x0b] = psxBios_TestEvent;
2525         biosB0[0x0c] = psxBios_EnableEvent;
2526         biosB0[0x0d] = psxBios_DisableEvent;
2527         biosB0[0x0e] = psxBios_OpenTh;
2528         biosB0[0x0f] = psxBios_CloseTh;
2529         biosB0[0x10] = psxBios_ChangeTh;
2530         //biosB0[0x11] = psxBios_psxBios_b0_11;
2531         biosB0[0x12] = psxBios_InitPAD;
2532         biosB0[0x13] = psxBios_StartPAD;
2533         biosB0[0x14] = psxBios_StopPAD;
2534         biosB0[0x15] = psxBios_PAD_init;
2535         biosB0[0x16] = psxBios_PAD_dr;
2536         biosB0[0x17] = psxBios_ReturnFromException;
2537         biosB0[0x18] = psxBios_ResetEntryInt;
2538         biosB0[0x19] = psxBios_HookEntryInt;
2539         //biosB0[0x1a] = psxBios_sys_b0_1a;
2540         //biosB0[0x1b] = psxBios_sys_b0_1b;
2541         //biosB0[0x1c] = psxBios_sys_b0_1c;
2542         //biosB0[0x1d] = psxBios_sys_b0_1d;
2543         //biosB0[0x1e] = psxBios_sys_b0_1e;
2544         //biosB0[0x1f] = psxBios_sys_b0_1f;
2545         biosB0[0x20] = psxBios_UnDeliverEvent;
2546         //biosB0[0x21] = psxBios_sys_b0_21;
2547         //biosB0[0x22] = psxBios_sys_b0_22;
2548         //biosB0[0x23] = psxBios_sys_b0_23;
2549         //biosB0[0x24] = psxBios_sys_b0_24;
2550         //biosB0[0x25] = psxBios_sys_b0_25;
2551         //biosB0[0x26] = psxBios_sys_b0_26;
2552         //biosB0[0x27] = psxBios_sys_b0_27;
2553         //biosB0[0x28] = psxBios_sys_b0_28;
2554         //biosB0[0x29] = psxBios_sys_b0_29;
2555         //biosB0[0x2a] = psxBios_sys_b0_2a;
2556         //biosB0[0x2b] = psxBios_sys_b0_2b;
2557         //biosB0[0x2c] = psxBios_sys_b0_2c;
2558         //biosB0[0x2d] = psxBios_sys_b0_2d;
2559         //biosB0[0x2e] = psxBios_sys_b0_2e;
2560         //biosB0[0x2f] = psxBios_sys_b0_2f;
2561         //biosB0[0x30] = psxBios_sys_b0_30;
2562         //biosB0[0x31] = psxBios_sys_b0_31;
2563         biosB0[0x32] = psxBios_open;
2564         biosB0[0x33] = psxBios_lseek;
2565         biosB0[0x34] = psxBios_read;
2566         biosB0[0x35] = psxBios_write;
2567         biosB0[0x36] = psxBios_close;
2568         //biosB0[0x37] = psxBios_ioctl;
2569         //biosB0[0x38] = psxBios_exit;
2570         //biosB0[0x39] = psxBios_sys_b0_39;
2571         //biosB0[0x3a] = psxBios_getc;
2572         //biosB0[0x3b] = psxBios_putc;
2573         biosB0[0x3c] = psxBios_getchar;
2574         //biosB0[0x3e] = psxBios_gets;
2575         //biosB0[0x40] = psxBios_cd;
2576         biosB0[0x41] = psxBios_format;
2577         biosB0[0x42] = psxBios_firstfile;
2578         biosB0[0x43] = psxBios_nextfile;
2579         biosB0[0x44] = psxBios_rename;
2580         biosB0[0x45] = psxBios_delete;
2581         //biosB0[0x46] = psxBios_undelete;
2582         //biosB0[0x47] = psxBios_AddDevice;
2583         //biosB0[0x48] = psxBios_RemoteDevice;
2584         //biosB0[0x49] = psxBios_PrintInstalledDevices;
2585         biosB0[0x4a] = psxBios_InitCARD;
2586         biosB0[0x4b] = psxBios_StartCARD;
2587         biosB0[0x4c] = psxBios_StopCARD;
2588         //biosB0[0x4d] = psxBios_sys_b0_4d;
2589         biosB0[0x4e] = psxBios__card_write;
2590         biosB0[0x4f] = psxBios__card_read;
2591         biosB0[0x50] = psxBios__new_card;
2592         biosB0[0x51] = psxBios_Krom2RawAdd;
2593         //biosB0[0x52] = psxBios_sys_b0_52;
2594         //biosB0[0x53] = psxBios_sys_b0_53;
2595         //biosB0[0x54] = psxBios__get_errno;
2596         //biosB0[0x55] = psxBios__get_error;
2597         biosB0[0x56] = psxBios_GetC0Table;
2598         biosB0[0x57] = psxBios_GetB0Table;
2599         biosB0[0x58] = psxBios__card_chan;
2600         //biosB0[0x59] = psxBios_sys_b0_59;
2601         //biosB0[0x5a] = psxBios_sys_b0_5a;
2602         biosB0[0x5b] = psxBios_ChangeClearPad;
2603         biosB0[0x5c] = psxBios__card_status;
2604         //biosB0[0x5d] = psxBios__card_wait;
2605 //*******************C0 CALLS****************************
2606         //biosC0[0x00] = psxBios_InitRCnt;
2607         //biosC0[0x01] = psxBios_InitException;
2608         biosC0[0x02] = psxBios_SysEnqIntRP;
2609         biosC0[0x03] = psxBios_SysDeqIntRP;
2610         //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2611         //biosC0[0x05] = psxBios_get_free_TCB_slot;
2612         //biosC0[0x06] = psxBios_ExceptionHandler;
2613         //biosC0[0x07] = psxBios_InstallExeptionHandler;
2614         //biosC0[0x08] = psxBios_SysInitMemory;
2615         //biosC0[0x09] = psxBios_SysInitKMem;
2616         biosC0[0x0a] = psxBios_ChangeClearRCnt;
2617         //biosC0[0x0b] = psxBios_SystemError;
2618         //biosC0[0x0c] = psxBios_InitDefInt;
2619         //biosC0[0x0d] = psxBios_sys_c0_0d;
2620         //biosC0[0x0e] = psxBios_sys_c0_0e;
2621         //biosC0[0x0f] = psxBios_sys_c0_0f;
2622         //biosC0[0x10] = psxBios_sys_c0_10;
2623         //biosC0[0x11] = psxBios_sys_c0_11;
2624         //biosC0[0x12] = psxBios_InstallDevices;
2625         //biosC0[0x13] = psxBios_FlushStfInOutPut;
2626         //biosC0[0x14] = psxBios_sys_c0_14;
2627         //biosC0[0x15] = psxBios__cdevinput;
2628         //biosC0[0x16] = psxBios__cdevscan;
2629         //biosC0[0x17] = psxBios__circgetc;
2630         //biosC0[0x18] = psxBios__circputc;
2631         //biosC0[0x19] = psxBios_ioabort;
2632         //biosC0[0x1a] = psxBios_sys_c0_1a
2633         //biosC0[0x1b] = psxBios_KernelRedirect;
2634         //biosC0[0x1c] = psxBios_PatchAOTable;
2635 //************** THE END ***************************************
2636 /**/
2637         base = 0x1000;
2638         size = sizeof(EvCB) * 32;
2639         Event = (void *)&psxR[base]; base += size * 6;
2640         memset(Event, 0, size * 6);
2641         HwEV = Event;
2642         EvEV = Event + 32;
2643         RcEV = Event + 32 * 2;
2644         UeEV = Event + 32 * 3;
2645         SwEV = Event + 32 * 4;
2646         ThEV = Event + 32 * 5;
2647
2648         ptr = (u32 *)&psxM[0x0874]; // b0 table
2649         ptr[0] = SWAPu32(0x4c54 - 0x884);
2650
2651         ptr = (u32 *)&psxM[0x0674]; // c0 table
2652         ptr[6] = SWAPu32(0xc80);
2653
2654         memset(SysIntRP, 0, sizeof(SysIntRP));
2655         memset(Thread, 0, sizeof(Thread));
2656         Thread[0].status = 2; // main thread
2657
2658         jmp_int = NULL;
2659         pad_buf = NULL;
2660         pad_buf1 = NULL;
2661         pad_buf2 = NULL;
2662         pad_buf1len = pad_buf2len = 0;
2663         heap_addr = NULL;
2664         heap_end = NULL;
2665         CardState = -1;
2666         CurThread = 0;
2667         memset(FDesc, 0, sizeof(FDesc));
2668         card_active_chan = 0;
2669
2670         psxMu32ref(0x0150) = SWAPu32(0x160);
2671         psxMu32ref(0x0154) = SWAPu32(0x320);
2672         psxMu32ref(0x0160) = SWAPu32(0x248);
2673         strcpy((char *)&psxM[0x248], "bu");
2674 /*      psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
2675         psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
2676         psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
2677         psxMu32ref(0x09e0) = SWAPu32(0x43d0);
2678         psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
2679 */
2680         // opcode HLE
2681         psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
2682         psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
2683         psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
2684         psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
2685         psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
2686         psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
2687         psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
2688         psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
2689         psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
2690         psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
2691
2692         // initial stack pointer for BIOS interrupt
2693         psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
2694
2695         // initial RNG seed
2696         psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
2697
2698         // fonts
2699         len = 0x80000 - 0x66000;
2700         uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
2701         len = 0x80000 - 0x69d68;
2702         uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
2703
2704         // memory size 2 MB
2705         psxHu32ref(0x1060) = SWAPu32(0x00000b88);
2706
2707         hleSoftCall = FALSE;
2708 }
2709
2710 void psxBiosShutdown() {
2711 }
2712
2713 #define psxBios_PADpoll(pad) { \
2714         PAD##pad##_startPoll(pad); \
2715         pad_buf##pad[0] = 0; \
2716         pad_buf##pad[1] = PAD##pad##_poll(0x42); \
2717         if (!(pad_buf##pad[1] & 0x0f)) { \
2718                 bufcount = 32; \
2719         } else { \
2720                 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
2721         } \
2722         PAD##pad##_poll(0); \
2723         i = 2; \
2724         while (bufcount--) { \
2725                 pad_buf##pad[i++] = PAD##pad##_poll(0); \
2726         } \
2727 }
2728
2729 void biosInterrupt() {
2730         int i, bufcount;
2731
2732 //      if (psxHu32(0x1070) & 0x1) { // Vsync
2733                 if (pad_buf != NULL) {
2734                         u32 *buf = (u32*)pad_buf;
2735
2736                         if (!Config.UseNet) {
2737                                 PAD1_startPoll(1);
2738                                 if (PAD1_poll(0x42) == 0x23) {
2739                                         PAD1_poll(0);
2740                                         *buf = PAD1_poll(0) << 8;
2741                                         *buf |= PAD1_poll(0);
2742                                         PAD1_poll(0);
2743                                         *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
2744                                         *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
2745                                 } else {
2746                                         PAD1_poll(0);
2747                                         *buf = PAD1_poll(0) << 8;
2748                                         *buf|= PAD1_poll(0);
2749                                 }
2750
2751                                 PAD2_startPoll(2);
2752                                 if (PAD2_poll(0x42) == 0x23) {
2753                                         PAD2_poll(0);
2754                                         *buf |= PAD2_poll(0) << 24;
2755                                         *buf |= PAD2_poll(0) << 16;
2756                                         PAD2_poll(0);
2757                                         *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
2758                                         *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
2759                                 } else {
2760                                         PAD2_poll(0);
2761                                         *buf |= PAD2_poll(0) << 24;
2762                                         *buf |= PAD2_poll(0) << 16;
2763                                 }
2764                         } else {
2765                                 u16 data;
2766
2767                                 PAD1_startPoll(1);
2768                                 PAD1_poll(0x42);
2769                                 PAD1_poll(0);
2770                                 data = PAD1_poll(0) << 8;
2771                                 data |= PAD1_poll(0);
2772
2773                                 if (NET_sendPadData(&data, 2) == -1)
2774                                         netError();
2775
2776                                 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
2777                                         netError();
2778                                 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
2779                                         netError();
2780                         }
2781                 }
2782                 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
2783                         psxBios_PADpoll(1);
2784
2785                         if (NET_sendPadData(pad_buf1, i) == -1)
2786                                 netError();
2787
2788                         if (NET_recvPadData(pad_buf1, 1) == -1)
2789                                 netError();
2790                         if (NET_recvPadData(pad_buf2, 2) == -1)
2791                                 netError();
2792                 } else {
2793                         if (pad_buf1) {
2794                                 psxBios_PADpoll(1);
2795                         }
2796
2797                         if (pad_buf2) {
2798                                 psxBios_PADpoll(2);
2799                         }
2800                 }
2801
2802         if (psxHu32(0x1070) & 0x1) { // Vsync
2803                 if (RcEV[3][1].status == EvStACTIVE) {
2804                         softCall(RcEV[3][1].fhandler);
2805 //                      hwWrite32(0x1f801070, ~(1));
2806                 }
2807         }
2808
2809         if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
2810                 int i;
2811
2812                 for (i = 0; i < 3; i++) {
2813                         if (psxHu32(0x1070) & (1 << (i + 4))) {
2814                                 if (RcEV[i][1].status == EvStACTIVE) {
2815                                         softCall(RcEV[i][1].fhandler);
2816                                 }
2817                                 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
2818                         }
2819                 }
2820         }
2821 }
2822
2823 void psxBiosException() {
2824         int i;
2825
2826         switch (psxRegs.CP0.n.Cause & 0x3c) {
2827                 case 0x00: // Interrupt
2828 #ifdef PSXCPU_LOG
2829 //                      PSXCPU_LOG("interrupt\n");
2830 #endif
2831                         SaveRegs();
2832
2833                         sp = psxMu32(0x6c80); // create new stack for interrupt handlers
2834
2835                         biosInterrupt();
2836
2837                         for (i = 0; i < 8; i++) {
2838                                 if (SysIntRP[i]) {
2839                                         u32 *queue = (u32 *)PSXM(SysIntRP[i]);
2840
2841                                         s0 = queue[2];
2842                                         softCall(queue[1]);
2843                                 }
2844                         }
2845
2846                         if (jmp_int != NULL) {
2847                                 int i;
2848
2849                                 psxHwWrite32(0x1f801070, 0xffffffff);
2850
2851                                 ra = jmp_int[0];
2852                                 sp = jmp_int[1];
2853                                 fp = jmp_int[2];
2854                                 for (i = 0; i < 8; i++) // s0-s7
2855                                          psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
2856                                 gp = jmp_int[11];
2857
2858                                 v0 = 1;
2859                                 pc0 = ra;
2860                                 return;
2861                         }
2862                         psxHwWrite16(0x1f801070, 0);
2863                         break;
2864
2865                 case 0x20: // Syscall
2866 #ifdef PSXCPU_LOG
2867                         PSXCPU_LOG("syscall exp %x\n", a0);
2868 #endif
2869                         switch (a0) {
2870                                 case 1: // EnterCritical - disable irq's
2871                                         psxRegs.CP0.n.Status &= ~0x404;
2872 v0=1;   // HDHOSHY experimental patch: Spongebob, Coldblood, fearEffect, Medievil2, Martian Gothic
2873                                         break;
2874
2875                                 case 2: // ExitCritical - enable irq's
2876                                         psxRegs.CP0.n.Status |= 0x404;
2877                                         break;
2878                         }
2879                         pc0 = psxRegs.CP0.n.EPC + 4;
2880
2881                         psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2882                                                                   ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2883                         return;
2884
2885                 default:
2886 #ifdef PSXCPU_LOG
2887                         PSXCPU_LOG("unknown bios exception!\n");
2888 #endif
2889                         break;
2890         }
2891
2892         pc0 = psxRegs.CP0.n.EPC;
2893         if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
2894
2895         psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2896                                                   ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2897 }
2898
2899 #define bfreeze(ptr, size) { \
2900         if (Mode == 1) memcpy(&psxR[base], ptr, size); \
2901         if (Mode == 0) memcpy(ptr, &psxR[base], size); \
2902         base += size; \
2903 }
2904
2905 #define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
2906 #define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
2907
2908 #define bfreezepsxMptr(ptr, type) { \
2909         if (Mode == 1) { \
2910                 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
2911                 else psxRu32ref(base) = 0; \
2912         } else { \
2913                 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
2914                 else (ptr) = NULL; \
2915         } \
2916         base += sizeof(u32); \
2917 }
2918
2919 void psxBiosFreeze(int Mode) {
2920         u32 base = 0x40000;
2921
2922         bfreezepsxMptr(jmp_int, u32);
2923         bfreezepsxMptr(pad_buf, int);
2924         bfreezepsxMptr(pad_buf1, char);
2925         bfreezepsxMptr(pad_buf2, char);
2926         bfreezepsxMptr(heap_addr, u32);
2927         bfreezel(&pad_buf1len);
2928         bfreezel(&pad_buf2len);
2929         bfreezes(regs);
2930         bfreezes(SysIntRP);
2931         bfreezel(&CardState);
2932         bfreezes(Thread);
2933         bfreezel(&CurThread);
2934         bfreezes(FDesc);
2935         bfreezel(&card_active_chan);
2936 }