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 <zlib.h>
  30
  31 #undef SysPrintf
  32 #define SysPrintf if (Config.PsxOut) printf
  33
  34 char *biosA0n[256] = {
  35 // 0x00
  36         "open",         "lseek",        "read",         "write",
  37         "close",        "ioctl",        "exit",         "sys_a0_07",
  38         "getc",         "putc",         "todigit",      "atof",
  39         "strtoul",      "strtol",       "abs",          "labs",
  40 // 0x10
  41         "atoi",         "atol",         "atob",         "setjmp",
  42         "longjmp",      "strcat",       "strncat",      "strcmp",
  43         "strncmp",      "strcpy",       "strncpy",      "strlen",
  44         "index",        "rindex",       "strchr",       "strrchr",
  45 // 0x20
  46         "strpbrk",      "strspn",       "strcspn",      "strtok",
  47         "strstr",       "toupper",      "tolower",      "bcopy",
  48         "bzero",        "bcmp",         "memcpy",       "memset",
  49         "memmove",      "memcmp",       "memchr",       "rand",
  50 // 0x30
  51         "srand",        "qsort",        "strtod",       "malloc",
  52         "free",         "lsearch",      "bsearch",      "calloc",
  53         "realloc",      "InitHeap",     "_exit",        "getchar",
  54         "putchar",      "gets",         "puts",         "printf",
  55 // 0x40
  56         "sys_a0_40",            "LoadTest",                                     "Load",         "Exec",
  57         "FlushCache",           "InstallInterruptHandler",      "GPU_dw",       "mem2vram",
  58         "SendGPUStatus",        "GPU_cw",                                       "GPU_cwb",      "SendPackets",
  59         "sys_a0_4c",            "GetGPUStatus",                         "GPU_sync",     "sys_a0_4f",
  60 // 0x50
  61         "sys_a0_50",            "LoadExec",                             "GetSysSp",             "sys_a0_53",
  62         "_96_init()",           "_bu_init()",                   "_96_remove()", "sys_a0_57",
  63         "sys_a0_58",            "sys_a0_59",                    "sys_a0_5a",    "dev_tty_init",
  64         "dev_tty_open",         "sys_a0_5d",                    "dev_tty_ioctl","dev_cd_open",
  65 // 0x60
  66         "dev_cd_read",          "dev_cd_close",                 "dev_cd_firstfile",     "dev_cd_nextfile",
  67         "dev_cd_chdir",         "dev_card_open",                "dev_card_read",        "dev_card_write",
  68         "dev_card_close",       "dev_card_firstfile",   "dev_card_nextfile","dev_card_erase",
  69         "dev_card_undelete","dev_card_format",          "dev_card_rename",      "dev_card_6f",
  70 // 0x70
  71         "_bu_init",                     "_96_init",             "_96_remove",           "sys_a0_73",
  72         "sys_a0_74",            "sys_a0_75",    "sys_a0_76",            "sys_a0_77",
  73         "_96_CdSeekL",          "sys_a0_79",    "sys_a0_7a",            "sys_a0_7b",
  74         "_96_CdGetStatus",      "sys_a0_7d",    "_96_CdRead",           "sys_a0_7f",
  75 // 0x80
  76         "sys_a0_80",            "sys_a0_81",    "sys_a0_82",            "sys_a0_83",
  77         "sys_a0_84",            "_96_CdStop",   "sys_a0_86",            "sys_a0_87",
  78         "sys_a0_88",            "sys_a0_89",    "sys_a0_8a",            "sys_a0_8b",
  79         "sys_a0_8c",            "sys_a0_8d",    "sys_a0_8e",            "sys_a0_8f",
  80 // 0x90
  81         "sys_a0_90",            "sys_a0_91",    "sys_a0_92",            "sys_a0_93",
  82         "sys_a0_94",            "sys_a0_95",    "AddCDROMDevice",       "AddMemCardDevide",
  83         "DisableKernelIORedirection",           "EnableKernelIORedirection", "sys_a0_9a", "sys_a0_9b",
  84         "SetConf",                      "GetConf",              "sys_a0_9e",            "SetMem",
  85 // 0xa0
  86         "_boot",                        "SystemError",  "EnqueueCdIntr",        "DequeueCdIntr",
  87         "sys_a0_a4",            "ReadSector",   "get_cd_status",        "bufs_cb_0",
  88         "bufs_cb_1",            "bufs_cb_2",    "bufs_cb_3",            "_card_info",
  89         "_card_load",           "_card_auto",   "bufs_cd_4",            "sys_a0_af",
  90 // 0xb0
  91         "sys_a0_b0",            "sys_a0_b1",    "do_a_long_jmp",        "sys_a0_b3",
  92         "?? sub_function",
  93 };
  94
  95 char *biosB0n[256] = {
  96 // 0x00
  97         "SysMalloc",            "sys_b0_01",    "sys_b0_02",    "sys_b0_03",
  98         "sys_b0_04",            "sys_b0_05",    "sys_b0_06",    "DeliverEvent",
  99         "OpenEvent",            "CloseEvent",   "WaitEvent",    "TestEvent",
 100         "EnableEvent",          "DisableEvent", "OpenTh",               "CloseTh",
 101 // 0x10
 102         "ChangeTh",                     "sys_b0_11",    "InitPAD",              "StartPAD",
 103         "StopPAD",                      "PAD_init",             "PAD_dr",               "ReturnFromExecption",
 104         "ResetEntryInt",        "HookEntryInt", "sys_b0_1a",    "sys_b0_1b",
 105         "sys_b0_1c",            "sys_b0_1d",    "sys_b0_1e",    "sys_b0_1f",
 106 // 0x20
 107         "UnDeliverEvent",       "sys_b0_21",    "sys_b0_22",    "sys_b0_23",
 108         "sys_b0_24",            "sys_b0_25",    "sys_b0_26",    "sys_b0_27",
 109         "sys_b0_28",            "sys_b0_29",    "sys_b0_2a",    "sys_b0_2b",
 110         "sys_b0_2c",            "sys_b0_2d",    "sys_b0_2e",    "sys_b0_2f",
 111 // 0x30
 112         "sys_b0_30",            "sys_b0_31",    "open",                 "lseek",
 113         "read",                         "write",                "close",                "ioctl",
 114         "exit",                         "sys_b0_39",    "getc",                 "putc",
 115         "getchar",                      "putchar",              "gets",                 "puts",
 116 // 0x40
 117         "cd",                           "format",               "firstfile",    "nextfile",
 118         "rename",                       "delete",               "undelete",             "AddDevice",
 119         "RemoteDevice",         "PrintInstalledDevices", "InitCARD", "StartCARD",
 120         "StopCARD",                     "sys_b0_4d",    "_card_write",  "_card_read",
 121 // 0x50
 122         "_new_card",            "Krom2RawAdd",  "sys_b0_52",    "sys_b0_53",
 123         "_get_errno",           "_get_error",   "GetC0Table",   "GetB0Table",
 124         "_card_chan",           "sys_b0_59",    "sys_b0_5a",    "ChangeClearPAD",
 125         "_card_status",         "_card_wait",
 126 };
 127
 128 char *biosC0n[256] = {
 129 // 0x00
 130         "InitRCnt",                       "InitException",              "SysEnqIntRP",          "SysDeqIntRP",
 131         "get_free_EvCB_slot", "get_free_TCB_slot",      "ExceptionHandler",     "InstallExeptionHandler",
 132         "SysInitMemory",          "SysInitKMem",                "ChangeClearRCnt",      "SystemError",
 133         "InitDefInt",             "sys_c0_0d",                  "sys_c0_0e",            "sys_c0_0f",
 134 // 0x10
 135         "sys_c0_10",              "sys_c0_11",                  "InstallDevices",       "FlushStfInOutPut",
 136         "sys_c0_14",              "_cdevinput",                 "_cdevscan",            "_circgetc",
 137         "_circputc",              "ioabort",                    "sys_c0_1a",            "KernelRedirect",
 138         "PatchAOTable",
 139 };
 140
 141 //#define r0 (psxRegs.GPR.n.r0)
 142 #define at (psxRegs.GPR.n.at)
 143 #define v0 (psxRegs.GPR.n.v0)
 144 #define v1 (psxRegs.GPR.n.v1)
 145 #define a0 (psxRegs.GPR.n.a0)
 146 #define a1 (psxRegs.GPR.n.a1)
 147 #define a2 (psxRegs.GPR.n.a2)
 148 #define a3 (psxRegs.GPR.n.a3)
 149 #define t0 (psxRegs.GPR.n.t0)
 150 #define t1 (psxRegs.GPR.n.t1)
 151 #define t2 (psxRegs.GPR.n.t2)
 152 #define t3 (psxRegs.GPR.n.t3)
 153 #define t4 (psxRegs.GPR.n.t4)
 154 #define t5 (psxRegs.GPR.n.t5)
 155 #define t6 (psxRegs.GPR.n.t6)
 156 #define t7 (psxRegs.GPR.n.t7)
 157 #define t8 (psxRegs.GPR.n.t8)
 158 #define t9 (psxRegs.GPR.n.t9)
 159 #define s0 (psxRegs.GPR.n.s0)
 160 #define s1 (psxRegs.GPR.n.s1)
 161 #define s2 (psxRegs.GPR.n.s2)
 162 #define s3 (psxRegs.GPR.n.s3)
 163 #define s4 (psxRegs.GPR.n.s4)
 164 #define s5 (psxRegs.GPR.n.s5)
 165 #define s6 (psxRegs.GPR.n.s6)
 166 #define s7 (psxRegs.GPR.n.s7)
 167 #define k0 (psxRegs.GPR.n.k0)
 168 #define k1 (psxRegs.GPR.n.k1)
 169 #define gp (psxRegs.GPR.n.gp)
 170 #define sp (psxRegs.GPR.n.sp)
 171 #define fp (psxRegs.GPR.n.s8)
 172 #define ra (psxRegs.GPR.n.ra)
 173 #define pc0 (psxRegs.pc)
 174
 175 #define Ra0 ((char *)PSXM(a0))
 176 #define Ra1 ((char *)PSXM(a1))
 177 #define Ra2 ((char *)PSXM(a2))
 178 #define Ra3 ((char *)PSXM(a3))
 179 #define Rv0 ((char *)PSXM(v0))
 180 #define Rsp ((char *)PSXM(sp))
 181
 182 typedef struct {
 183         u32 desc;
 184         s32 status;
 185         s32 mode;
 186         u32 fhandler;
 187 } EvCB[32];
 188
 189 #define EvStUNUSED      0x0000
 190 #define EvStWAIT        0x1000
 191 #define EvStACTIVE      0x2000
 192 #define EvStALREADY 0x4000
 193
 194 #define EvMdINTR        0x1000
 195 #define EvMdNOINTR      0x2000
 196
 197 /*
 198 typedef struct {
 199         s32 next;
 200         s32 func1;
 201         s32 func2;
 202         s32 pad;
 203 } SysRPst;
 204 */
 205
 206 typedef struct {
 207         s32 status;
 208         s32 mode;
 209         u32 reg[32];
 210         u32 func;
 211 } TCB;
 212
 213 typedef struct {
 214         u32 _pc0;
 215         u32 gp0;
 216         u32 t_addr;
 217         u32 t_size;
 218         u32 d_addr;
 219         u32 d_size;
 220         u32 b_addr;
 221         u32 b_size;
 222         u32 S_addr;
 223         u32 s_size;
 224         u32 _sp, _fp, _gp, ret, base;
 225 } EXEC;
 226
 227 struct DIRENTRY {
 228         char name[20];
 229         s32 attr;
 230         s32 size;
 231         u32 next;
 232         s32 head;
 233         char system[4];
 234 };
 235
 236 typedef struct {
 237         char name[32];
 238         u32  mode;
 239         u32  offset;
 240         u32  size;
 241         u32  mcfile;
 242 } FileDesc;
 243
 244 static u32 *jmp_int = NULL;
 245 static int *pad_buf = NULL;
 246 static char *pad_buf1 = NULL, *pad_buf2 = NULL;
 247 static int pad_buf1len, pad_buf2len;
 248
 249 static u32 regs[35];
 250 static EvCB *Event;
 251 static EvCB *HwEV; // 0xf0
 252 static EvCB *EvEV; // 0xf1
 253 static EvCB *RcEV; // 0xf2
 254 static EvCB *UeEV; // 0xf3
 255 static EvCB *SwEV; // 0xf4
 256 static EvCB *ThEV; // 0xff
 257 static u32 *heap_addr = NULL;
 258 static u32 *heap_end = NULL;
 259 static u32 SysIntRP[8];
 260 static int CardState = -1;
 261 static TCB Thread[8];
 262 static int CurThread = 0;
 263 static FileDesc FDesc[32];
 264 static u32 card_active_chan;
 265
 266 boolean hleSoftCall = FALSE;
 267
 268 static inline void softCall(u32 pc) {
 269         pc0 = pc;
 270         ra = 0x80001000;
 271
 272         hleSoftCall = TRUE;
 273
 274         while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
 275
 276         hleSoftCall = FALSE;
 277 }
 278
 279 static inline void softCall2(u32 pc) {
 280         u32 sra = ra;
 281         pc0 = pc;
 282         ra = 0x80001000;
 283
 284         hleSoftCall = TRUE;
 285
 286         while (pc0 != 0x80001000) psxCpu->ExecuteBlock();
 287         ra = sra;
 288
 289         hleSoftCall = FALSE;
 290 }
 291
 292 static inline void DeliverEvent(u32 ev, u32 spec) {
 293         if (Event[ev][spec].status != EvStACTIVE) return;
 294
 295 //      Event[ev][spec].status = EvStALREADY;
 296         if (Event[ev][spec].mode == EvMdINTR) {
 297                 softCall2(Event[ev][spec].fhandler);
 298         } else Event[ev][spec].status = EvStALREADY;
 299 }
 300
 301 static inline void SaveRegs() {
 302         memcpy(regs, psxRegs.GPR.r, 32*4);
 303         regs[32] = psxRegs.GPR.n.lo;
 304         regs[33] = psxRegs.GPR.n.hi;
 305         regs[34] = psxRegs.pc;
 306 }
 307
 308 static inline void LoadRegs() {
 309         memcpy(psxRegs.GPR.r, regs, 32*4);
 310         psxRegs.GPR.n.lo = regs[32];
 311         psxRegs.GPR.n.hi = regs[33];
 312 }
 313
 314 /*                                           *
 315 //                                           *
 316 //                                           *
 317 //               System calls A0             */
 318
 319 /* Internally redirects to "FileRead(fd,tempbuf,1)".*/
 320 /* For some strange reason, the returned character is sign-expanded; */
 321 /* So if a return value of FFFFFFFFh could mean either character FFh, or error. */
 322 /* TODO FIX ME : Properly implement this behaviour */
 323 void psxBios_getc(void) // 0x03, 0x35
 324 {
 325         void *pa1 = Ra1;
 326 #ifdef PSXBIOS_LOG
 327         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x03]);
 328 #endif
 329         v0 = -1;
 330
 331         if (pa1) {
 332                 switch (a0) {
 333                         case 2: buread(pa1, 1, 1); break;
 334                         case 3: buread(pa1, 2, 1); break;
 335                 }
 336         }
 337
 338         pc0 = ra;
 339 }
 340
 341 /* Copy of psxBios_write, except size is 1. */
 342 void psxBios_putc(void) // 0x09, 0x3B
 343 {
 344         void *pa1 = Ra1;
 345 #ifdef PSXBIOS_LOG
 346         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x09]);
 347 #endif
 348         v0 = -1;
 349         if (!pa1) {
 350                 pc0 = ra;
 351                 return;
 352         }
 353
 354         if (a0 == 1) { // stdout
 355                 char *ptr = (char *)pa1;
 356
 357                 v0 = a2;
 358                 while (a2 > 0) {
 359                         printf("%c", *ptr++); a2--;
 360                 }
 361                 pc0 = ra; return;
 362         }
 363
 364         switch (a0) {
 365                 case 2: buwrite(pa1, 1, 1); break;
 366                 case 3: buwrite(pa1, 2, 1); break;
 367         }
 368
 369         pc0 = ra;
 370 }
 371
 372 void psxBios_todigit(void) // 0x0a
 373 {
 374         int c = a0;
 375 #ifdef PSXBIOS_LOG
 376         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x0a]);
 377 #endif
 378         c &= 0xFF;
 379         if (c >= 0x30 && c < 0x3A) {
 380                 c -= 0x30;
 381         }
 382         else if (c > 0x60 && c < 0x7B) {
 383                 c -= 0x20;
 384         }
 385         else if (c > 0x40 && c < 0x5B) {
 386                 c = c - 0x41 + 10;
 387         }
 388         else if (c >= 0x80) {
 389                 c = -1;
 390         }
 391         else
 392         {
 393                 c = 0x0098967F;
 394         }
 395         v0 = c;
 396         pc0 = ra;
 397 }
 398
 399 void psxBios_abs() { // 0x0e
 400         if ((s32)a0 < 0) v0 = -(s32)a0;
 401         else v0 = a0;
 402         pc0 = ra;
 403 }
 404
 405 void psxBios_labs() { // 0x0f
 406         psxBios_abs();
 407 }
 408
 409 void psxBios_atoi() { // 0x10
 410         s32 n = 0, f = 0;
 411         char *p = (char *)Ra0;
 412
 413         for (;;p++) {
 414                 switch (*p) {
 415                         case ' ': case '\t': continue;
 416                         case '-': f++;
 417                         case '+': p++;
 418                 }
 419                 break;
 420         }
 421
 422         while (*p >= '0' && *p <= '9') {
 423                 n = n * 10 + *p++ - '0';
 424         }
 425
 426         v0 = (f ? -n : n);
 427         pc0 = ra;
 428 }
 429
 430 void psxBios_atol() { // 0x11
 431         psxBios_atoi();
 432 }
 433
 434 void psxBios_setjmp() { // 0x13
 435         u32 *jmp_buf = (u32 *)Ra0;
 436         int i;
 437
 438 #ifdef PSXBIOS_LOG
 439         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]);
 440 #endif
 441
 442         jmp_buf[0] = ra;
 443         jmp_buf[1] = sp;
 444         jmp_buf[2] = fp;
 445         for (i = 0; i < 8; i++) // s0-s7
 446                 jmp_buf[3 + i] = psxRegs.GPR.r[16 + i];
 447         jmp_buf[11] = gp;
 448
 449         v0 = 0; pc0 = ra;
 450 }
 451
 452 void psxBios_longjmp() { // 0x14
 453         u32 *jmp_buf = (u32 *)Ra0;
 454         int i;
 455
 456 #ifdef PSXBIOS_LOG
 457         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]);
 458 #endif
 459
 460         ra = jmp_buf[0]; /* ra */
 461         sp = jmp_buf[1]; /* sp */
 462         fp = jmp_buf[2]; /* fp */
 463         for (i = 0; i < 8; i++) // s0-s7
 464                 psxRegs.GPR.r[16 + i] = jmp_buf[3 + i];
 465         gp = jmp_buf[11]; /* gp */
 466
 467         v0 = a1; pc0 = ra;
 468 }
 469
 470 void psxBios_strcat() { // 0x15
 471         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 472
 473 #ifdef PSXBIOS_LOG
 474         PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1);
 475 #endif
 476         if (a0 == 0 || a1 == 0)
 477         {
 478                 v0 = 0;
 479                 pc0 = ra;
 480                 return;
 481         }
 482         while (*p1++);
 483         --p1;
 484         while ((*p1++ = *p2++) != '\0');
 485
 486         v0 = a0; pc0 = ra;
 487 }
 488
 489 void psxBios_strncat() { // 0x16
 490         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 491         s32 n = a2;
 492
 493 #ifdef PSXBIOS_LOG
 494         PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2);
 495 #endif
 496
 497         while (*p1++);
 498         --p1;
 499         while ((*p1++ = *p2++) != '\0') {
 500                 if (--n < 0) {
 501                         *--p1 = '\0';
 502                         break;
 503                 }
 504         }
 505
 506         v0 = a0; pc0 = ra;
 507 }
 508
 509 void psxBios_strcmp() { // 0x17
 510         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 511
 512 #ifdef PSXBIOS_LOG
 513         PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1);
 514 #endif
 515
 516         while (*p1 == *p2++) {
 517                 if (*p1++ == '\0') {
 518                         v0 = 0;
 519                         pc0 = ra;
 520                         return;
 521                 }
 522         }
 523
 524         v0 = (*p1 - *--p2);
 525         pc0 = ra;
 526 }
 527
 528 void psxBios_strncmp() { // 0x18
 529         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 530         s32 n = a2;
 531
 532 #ifdef PSXBIOS_LOG
 533         PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2);
 534 #endif
 535
 536         while (--n >= 0 && *p1 == *p2++) {
 537                 if (*p1++ == '\0') {
 538                         v0 = 0;
 539                         pc0 = ra;
 540                         return;
 541                 }
 542         }
 543
 544         v0 = (n < 0 ? 0 : *p1 - *--p2);
 545         pc0 = ra;
 546 }
 547
 548 void psxBios_strcpy() { // 0x19
 549         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 550         while ((*p1++ = *p2++) != '\0');
 551
 552         v0 = a0; pc0 = ra;
 553 }
 554
 555 void psxBios_strncpy() { // 0x1a
 556         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 557         s32 n = a2, i;
 558
 559         for (i = 0; i < n; i++) {
 560                 if ((*p1++ = *p2++) == '\0') {
 561                         while (++i < n) {
 562                                 *p1++ = '\0';
 563                         }
 564                         v0 = a0; pc0 = ra;
 565                         return;
 566                 }
 567         }
 568
 569         v0 = a0; pc0 = ra;
 570 }
 571
 572 void psxBios_strlen() { // 0x1b
 573         char *p = (char *)Ra0;
 574         v0 = 0;
 575         while (*p++) v0++;
 576         pc0 = ra;
 577 }
 578
 579 void psxBios_index() { // 0x1c
 580         char *p = (char *)Ra0;
 581
 582         do {
 583                 if (*p == a1) {
 584                         v0 = a0 + (p - (char *)Ra0);
 585                         pc0 = ra;
 586                         return;
 587                 }
 588         } while (*p++ != '\0');
 589
 590         v0 = 0; pc0 = ra;
 591 }
 592
 593 void psxBios_rindex() { // 0x1d
 594         char *p = (char *)Ra0;
 595
 596         v0 = 0;
 597
 598         do {
 599                 if (*p == a1)
 600                         v0 = a0 + (p - (char *)Ra0);
 601         } while (*p++ != '\0');
 602
 603         pc0 = ra;
 604 }
 605
 606 void psxBios_strchr() { // 0x1e
 607         psxBios_index();
 608 }
 609
 610 void psxBios_strrchr() { // 0x1f
 611         psxBios_rindex();
 612 }
 613
 614 void psxBios_strpbrk() { // 0x20
 615         char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc;
 616
 617         while ((c = *p1++) != '\0') {
 618                 for (scanp = p2; (sc = *scanp++) != '\0';) {
 619                         if (sc == c) {
 620                                 v0 = a0 + (p1 - 1 - (char *)Ra0);
 621                                 pc0 = ra;
 622                                 return;
 623                         }
 624                 }
 625         }
 626
 627         // BUG: return a0 instead of NULL if not found
 628         v0 = a0; pc0 = ra;
 629 }
 630
 631 void psxBios_strspn() { // 0x21
 632         char *p1, *p2;
 633
 634         for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
 635                 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
 636                 if (*p2 == '\0') break;
 637         }
 638
 639         v0 = p1 - (char *)Ra0; pc0 = ra;
 640 }
 641
 642 void psxBios_strcspn() { // 0x22
 643         char *p1, *p2;
 644
 645         for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
 646                 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
 647                 if (*p2 != '\0') break;
 648         }
 649
 650         v0 = p1 - (char *)Ra0; pc0 = ra;
 651 }
 652
 653 void psxBios_strtok() { // 0x23
 654         char *pcA0 = (char *)Ra0;
 655         char *pcRet = strtok(pcA0, (char *)Ra1);
 656         if (pcRet)
 657                 v0 = a0 + pcRet - pcA0;
 658         else
 659                 v0 = 0;
 660         pc0 = ra;
 661 }
 662
 663 void psxBios_strstr() { // 0x24
 664         char *p = (char *)Ra0, *p1, *p2;
 665
 666         while (*p != '\0') {
 667                 p1 = p;
 668                 p2 = (char *)Ra1;
 669
 670                 while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) {
 671                         p1++; p2++;
 672                 }
 673
 674                 if (*p2 == '\0') {
 675                         v0 = a0 + (p - (char *)Ra0);
 676                         pc0 = ra;
 677                         return;
 678                 }
 679
 680                 p++;
 681         }
 682
 683         v0 = 0; pc0 = ra;
 684 }
 685
 686 void psxBios_toupper() { // 0x25
 687         v0 = (s8)(a0 & 0xff);
 688         if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A';
 689         pc0 = ra;
 690 }
 691
 692 void psxBios_tolower() { // 0x26
 693         v0 = (s8)(a0 & 0xff);
 694         if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A';
 695         pc0 = ra;
 696 }
 697
 698 void psxBios_bcopy() { // 0x27
 699         char *p1 = (char *)Ra1, *p2 = (char *)Ra0;
 700         while ((s32)a2-- > 0) *p1++ = *p2++;
 701
 702         pc0 = ra;
 703 }
 704
 705 void psxBios_bzero() { // 0x28
 706         char *p = (char *)Ra0;
 707         while ((s32)a1-- > 0) *p++ = '\0';
 708
 709         pc0 = ra;
 710 }
 711
 712 void psxBios_bcmp() { // 0x29
 713         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 714
 715         if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; }
 716
 717         while ((s32)a2-- > 0) {
 718                 if (*p1++ != *p2++) {
 719                         v0 = *p1 - *p2; // BUG: compare the NEXT byte
 720                         pc0 = ra;
 721                         return;
 722                 }
 723         }
 724
 725         v0 = 0; pc0 = ra;
 726 }
 727
 728 void psxBios_memcpy() { // 0x2a
 729         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 730         while ((s32)a2-- > 0) *p1++ = *p2++;
 731
 732         v0 = a0; pc0 = ra;
 733 }
 734
 735 void psxBios_memset() { // 0x2b
 736         char *p = (char *)Ra0;
 737         while ((s32)a2-- > 0) *p++ = (char)a1;
 738
 739         a2 = 0;
 740         v0 = a0; pc0 = ra;
 741 }
 742
 743 void psxBios_memmove() { // 0x2c
 744         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 745
 746         if (p2 <= p1 && p2 + a2 > p1) {
 747                 a2++; // BUG: copy one more byte here
 748                 p1 += a2;
 749                 p2 += a2;
 750                 while ((s32)a2-- > 0) *--p1 = *--p2;
 751         } else {
 752                 while ((s32)a2-- > 0) *p1++ = *p2++;
 753         }
 754
 755         v0 = a0; pc0 = ra;
 756 }
 757
 758 void psxBios_memcmp() { // 0x2d
 759         psxBios_bcmp();
 760 }
 761
 762 void psxBios_memchr() { // 0x2e
 763         char *p = (char *)Ra0;
 764
 765         while ((s32)a2-- > 0) {
 766                 if (*p++ != (s8)a1) continue;
 767                 v0 = a0 + (p - (char *)Ra0 - 1);
 768                 pc0 = ra;
 769                 return;
 770         }
 771
 772         v0 = 0; pc0 = ra;
 773 }
 774
 775 void psxBios_rand() { // 0x2f
 776         u32 s = psxMu32(0x9010) * 1103515245 + 12345;
 777         v0 = (s >> 16) & 0x7fff;
 778         psxMu32ref(0x9010) = SWAPu32(s);
 779         pc0 = ra;
 780 }
 781
 782 void psxBios_srand() { // 0x30
 783         psxMu32ref(0x9010) = SWAPu32(a0);
 784         pc0 = ra;
 785 }
 786
 787 static u32 qscmpfunc, qswidth;
 788
 789 static inline int qscmp(char *a, char *b) {
 790         u32 sa0 = a0;
 791
 792         a0 = sa0 + (a - (char *)PSXM(sa0));
 793         a1 = sa0 + (b - (char *)PSXM(sa0));
 794
 795         softCall2(qscmpfunc);
 796
 797         a0 = sa0;
 798         return (s32)v0;
 799 }
 800
 801 static inline void qexchange(char *i, char *j) {
 802         char t;
 803         int n = qswidth;
 804
 805         do {
 806                 t = *i;
 807                 *i++ = *j;
 808                 *j++ = t;
 809         } while (--n);
 810 }
 811
 812 static inline void q3exchange(char *i, char *j, char *k) {
 813         char t;
 814         int n = qswidth;
 815
 816         do {
 817                 t = *i;
 818                 *i++ = *k;
 819                 *k++ = *j;
 820                 *j++ = t;
 821         } while (--n);
 822 }
 823
 824 static void qsort_main(char *a, char *l) {
 825         char *i, *j, *lp, *hp;
 826         int c;
 827         unsigned int n;
 828
 829 start:
 830         if ((n = l - a) <= qswidth)
 831                 return;
 832         n = qswidth * (n / (2 * qswidth));
 833         hp = lp = a + n;
 834         i = a;
 835         j = l - qswidth;
 836         while (TRUE) {
 837                 if (i < lp) {
 838                         if ((c = qscmp(i, lp)) == 0) {
 839                                 qexchange(i, lp -= qswidth);
 840                                 continue;
 841                         }
 842                         if (c < 0) {
 843                                 i += qswidth;
 844                                 continue;
 845                         }
 846                 }
 847
 848 loop:
 849                 if (j > hp) {
 850                         if ((c = qscmp(hp, j)) == 0) {
 851                                 qexchange(hp += qswidth, j);
 852                                 goto loop;
 853                         }
 854                         if (c > 0) {
 855                                 if (i == lp) {
 856                                         q3exchange(i, hp += qswidth, j);
 857                                         i = lp += qswidth;
 858                                         goto loop;
 859                                 }
 860                                 qexchange(i, j);
 861                                 j -= qswidth;
 862                                 i += qswidth;
 863                                 continue;
 864                         }
 865                         j -= qswidth;
 866                         goto loop;
 867                 }
 868
 869                 if (i == lp) {
 870                         if (lp - a >= l - hp) {
 871                                 qsort_main(hp + qswidth, l);
 872                                 l = lp;
 873                         } else {
 874                                 qsort_main(a, lp);
 875                                 a = hp + qswidth;
 876                         }
 877                         goto start;
 878                 }
 879
 880                 q3exchange(j, lp -= qswidth, i);
 881                 j = hp -= qswidth;
 882         }
 883 }
 884
 885 void psxBios_qsort() { // 0x31
 886         qswidth = a2;
 887         qscmpfunc = a3;
 888         qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
 889
 890         pc0 = ra;
 891 }
 892
 893 void psxBios_malloc() { // 0x33
 894         unsigned int *chunk, *newchunk = NULL;
 895         unsigned int dsize = 0, csize, cstat;
 896         int colflag;
 897 #ifdef PSXBIOS_LOG
 898         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
 899 #endif
 900
 901         // scan through heap and combine free chunks of space
 902         chunk = heap_addr;
 903         colflag = 0;
 904         while(chunk < heap_end) {
 905                 // get size and status of actual chunk
 906                 csize = ((u32)*chunk) & 0xfffffffc;
 907                 cstat = ((u32)*chunk) & 1;
 908
 909                 // it's a free chunk
 910                 if(cstat == 1) {
 911                         if(colflag == 0) {
 912                                 newchunk = chunk;
 913                                 dsize = csize;
 914                                 colflag = 1;                    // let's begin a new collection of free memory
 915                         }
 916                         else dsize += (csize+4);        // add the new size including header
 917                 }
 918                 // not a free chunk: did we start a collection ?
 919                 else {
 920                         if(colflag == 1) {                      // collection is over
 921                                 colflag = 0;
 922                                 *newchunk = SWAP32(dsize | 1);
 923                         }
 924                 }
 925
 926                 // next chunk
 927                 chunk = (u32*)((uptr)chunk + csize + 4);
 928         }
 929         // if neccessary free memory on end of heap
 930         if (colflag == 1)
 931                 *newchunk = SWAP32(dsize | 1);
 932
 933         chunk = heap_addr;
 934         csize = ((u32)*chunk) & 0xfffffffc;
 935         cstat = ((u32)*chunk) & 1;
 936         dsize = (a0 + 3) & 0xfffffffc;
 937
 938         // exit on uninitialized heap
 939         if (chunk == NULL) {
 940                 SysPrintf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
 941                 v0 = 0;
 942                 pc0 = ra;
 943                 return;
 944         }
 945
 946         // search an unused chunk that is big enough until the end of the heap
 947         while ((dsize > csize || cstat == 0) && chunk < heap_end ) {
 948                 chunk = (u32*)((uptr)chunk + csize + 4);
 949                 csize = ((u32)*chunk) & 0xfffffffc;
 950                 cstat = ((u32)*chunk) & 1;
 951         }
 952
 953         // catch out of memory
 954         if(chunk >= heap_end) { SysPrintf("malloc %x,%x: Out of memory error!\n", v0, a0); v0 = 0; pc0 = ra; return; }
 955
 956         // allocate memory
 957         if(dsize == csize) {
 958                 // chunk has same size
 959                 *chunk &= 0xfffffffc;
 960         }
 961         else {
 962                 // split free chunk
 963                 *chunk = SWAP32(dsize);
 964                 newchunk = (u32*)((uptr)chunk + dsize + 4);
 965                 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
 966         }
 967
 968         // return pointer to allocated memory
 969         v0 = ((unsigned long)chunk - (unsigned long)psxM) + 4;
 970         v0|= 0x80000000;
 971         SysPrintf ("malloc %x,%x\n", v0, a0);
 972         pc0 = ra;
 973 }
 974
 975 void psxBios_free() { // 0x34
 976
 977 #ifdef PSXBIOS_LOG
 978         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
 979 #endif
 980
 981         SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
 982
 983         *(u32*)(Ra0-4) |= 1;    // set chunk to free
 984         pc0 = ra;
 985 }
 986
 987 void psxBios_calloc() { // 0x37
 988         void *pv0;
 989 #ifdef PSXBIOS_LOG
 990         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
 991 #endif
 992
 993         a0 = a0 * a1;
 994         psxBios_malloc();
 995         pv0 = Rv0;
 996         if (pv0)
 997                 memset(pv0, 0, a0);
 998 }
 999
1000 void psxBios_realloc() { // 0x38
1001         u32 block = a0;
1002         u32 size = a1;
1003 #ifdef PSXBIOS_LOG
1004         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
1005 #endif
1006
1007         a0 = block;
1008         psxBios_free();
1009         a0 = size;
1010         psxBios_malloc();
1011 }
1012
1013
1014 /* InitHeap(void *block , int n) */
1015 void psxBios_InitHeap() { // 0x39
1016         unsigned int size;
1017
1018 #ifdef PSXBIOS_LOG
1019         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
1020 #endif
1021
1022         if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
1023         else size = a1;
1024
1025         size &= 0xfffffffc;
1026
1027         heap_addr = (u32 *)Ra0;
1028         heap_end = (u32 *)((u8 *)heap_addr + size);
1029         *heap_addr = SWAP32(size | 1);
1030
1031         SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
1032
1033         pc0 = ra;
1034 }
1035
1036 void psxBios_getchar() { //0x3b
1037         v0 = getchar(); pc0 = ra;
1038 }
1039
1040 void psxBios_printf() { // 0x3f
1041         char tmp[1024];
1042         char tmp2[1024];
1043         u32 save[4];
1044         char *ptmp = tmp;
1045         int n=1, i=0, j;
1046         void *psp;
1047
1048         psp = PSXM(sp);
1049         if (psp) {
1050                 memcpy(save, psp, 4 * 4);
1051                 psxMu32ref(sp) = SWAP32((u32)a0);
1052                 psxMu32ref(sp + 4) = SWAP32((u32)a1);
1053                 psxMu32ref(sp + 8) = SWAP32((u32)a2);
1054                 psxMu32ref(sp + 12) = SWAP32((u32)a3);
1055         }
1056
1057         while (Ra0[i]) {
1058                 switch (Ra0[i]) {
1059                         case '%':
1060                                 j = 0;
1061                                 tmp2[j++] = '%';
1062 _start:
1063                                 switch (Ra0[++i]) {
1064                                         case '.':
1065                                         case 'l':
1066                                                 tmp2[j++] = Ra0[i]; goto _start;
1067                                         default:
1068                                                 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
1069                                                         tmp2[j++] = Ra0[i];
1070                                                         goto _start;
1071                                                 }
1072                                                 break;
1073                                 }
1074                                 tmp2[j++] = Ra0[i];
1075                                 tmp2[j] = 0;
1076
1077                                 switch (Ra0[i]) {
1078                                         case 'f': case 'F':
1079                                                 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
1080                                         case 'a': case 'A':
1081                                         case 'e': case 'E':
1082                                         case 'g': case 'G':
1083                                                 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
1084                                         case 'p':
1085                                         case 'i': case 'u':
1086                                         case 'd': case 'D':
1087                                         case 'o': case 'O':
1088                                         case 'x': case 'X':
1089                                                 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
1090                                         case 'c':
1091                                                 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
1092                                         case 's':
1093                                                 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1094                                         case '%':
1095                                                 *ptmp++ = Ra0[i]; break;
1096                                 }
1097                                 i++;
1098                                 break;
1099                         default:
1100                                 *ptmp++ = Ra0[i++];
1101                 }
1102         }
1103         *ptmp = 0;
1104
1105         if (psp)
1106                 memcpy(psp, save, 4 * 4);
1107
1108         SysPrintf("%s", tmp);
1109
1110         pc0 = ra;
1111 }
1112
1113 void psxBios_format() { // 0x41
1114         if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0')
1115         {
1116                 CreateMcd(Config.Mcd1);
1117                 LoadMcd(1, Config.Mcd1);
1118                 v0 = 1;
1119         }
1120         else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0')
1121         {
1122                 CreateMcd(Config.Mcd2);
1123                 LoadMcd(2, Config.Mcd2);
1124                 v0 = 1;
1125         }
1126         else
1127         {
1128                 v0 = 0;
1129         }
1130         pc0 = ra;
1131 }
1132
1133 /*
1134  *      long Load(char *name, struct EXEC *header);
1135  */
1136
1137 void psxBios_Load() { // 0x42
1138         EXE_HEADER eheader;
1139         void *pa1;
1140
1141 #ifdef PSXBIOS_LOG
1142         PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1143 #endif
1144
1145         pa1 = Ra1;
1146         if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) {
1147                 memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC));
1148                 v0 = 1;
1149         } else v0 = 0;
1150
1151         pc0 = ra;
1152 }
1153
1154 /*
1155  *      int Exec(struct EXEC *header , int argc , char **argv);
1156  */
1157
1158 void psxBios_Exec() { // 43
1159         EXEC *header = (EXEC*)Ra0;
1160         u32 tmp;
1161
1162 #ifdef PSXBIOS_LOG
1163         PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1164 #endif
1165
1166         header->_sp = sp;
1167         header->_fp = fp;
1168         header->_sp = sp;
1169         header->_gp = gp;
1170         header->ret = ra;
1171         header->base = s0;
1172
1173         if (header->S_addr != 0) {
1174                 tmp = header->S_addr + header->s_size;
1175                 sp = tmp;
1176                 fp = sp;
1177         }
1178
1179         gp = header->gp0;
1180
1181         s0 = a0;
1182
1183         a0 = a1;
1184         a1 = a2;
1185
1186         ra = 0x8000;
1187         pc0 = header->_pc0;
1188 }
1189
1190 void psxBios_FlushCache() { // 44
1191 #ifdef PSXBIOS_LOG
1192         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1193 #endif
1194
1195         pc0 = ra;
1196 }
1197
1198 void psxBios_GPU_dw() { // 0x46
1199         int size;
1200         s32 *ptr;
1201
1202 #ifdef PSXBIOS_LOG
1203         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1204 #endif
1205
1206         GPU_writeData(0xa0000000);
1207         GPU_writeData((a1<<16)|(a0&0xffff));
1208         GPU_writeData((a3<<16)|(a2&0xffff));
1209         size = (a2*a3+1)/2;
1210         ptr = (s32*)PSXM(Rsp[4]);  //that is correct?
1211         do {
1212                 GPU_writeData(SWAP32(*ptr));
1213                 ptr++;
1214         } while(--size);
1215
1216         pc0 = ra;
1217 }
1218
1219 void psxBios_mem2vram() { // 0x47
1220         int size;
1221
1222         GPU_writeData(0xa0000000);
1223         GPU_writeData((a1<<16)|(a0&0xffff));
1224         GPU_writeData((a3<<16)|(a2&0xffff));
1225         size = (a2*a3+1)/2;
1226         GPU_writeStatus(0x04000002);
1227         psxHwWrite32(0x1f8010f4,0);
1228         psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1229         psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1230         psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1231         psxHwWrite32(0x1f8010a8,0x01000201);
1232
1233         pc0 = ra;
1234 }
1235
1236 void psxBios_SendGPU() { // 0x48
1237         GPU_writeStatus(a0);
1238         gpuSyncPluginSR();
1239         pc0 = ra;
1240 }
1241
1242 void psxBios_GPU_cw() { // 0x49
1243         GPU_writeData(a0);
1244         pc0 = ra;
1245 }
1246
1247 void psxBios_GPU_cwb() { // 0x4a
1248         s32 *ptr = (s32*)Ra0;
1249         int size = a1;
1250         while(size--) {
1251                 GPU_writeData(SWAP32(*ptr));
1252                 ptr++;
1253         }
1254
1255         pc0 = ra;
1256 }
1257
1258 void psxBios_GPU_SendPackets() { //4b:
1259         GPU_writeStatus(0x04000002);
1260         psxHwWrite32(0x1f8010f4,0);
1261         psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1262         psxHwWrite32(0x1f8010a0,a0);
1263         psxHwWrite32(0x1f8010a4,0);
1264         psxHwWrite32(0x1f8010a8,0x010000401);
1265         pc0 = ra;
1266 }
1267
1268 void psxBios_sys_a0_4c() { // 0x4c GPU relate
1269         psxHwWrite32(0x1f8010a8,0x00000401);
1270         GPU_writeData(0x0400000);
1271         GPU_writeData(0x0200000);
1272         GPU_writeData(0x0100000);
1273         v0 = 0x1f801814;
1274         pc0 = ra;
1275 }
1276
1277 void psxBios_GPU_GetGPUStatus() { // 0x4d
1278         v0 = GPU_readStatus();
1279         pc0 = ra;
1280 }
1281
1282 #undef s_addr
1283
1284 void psxBios_LoadExec() { // 51
1285         EXEC *header = (EXEC*)PSXM(0xf000);
1286         u32 s_addr, s_size;
1287
1288 #ifdef PSXBIOS_LOG
1289         PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1290 #endif
1291         s_addr = a1; s_size = a2;
1292
1293         a1 = 0xf000;
1294         psxBios_Load();
1295
1296         header->S_addr = s_addr;
1297         header->s_size = s_size;
1298
1299         a0 = 0xf000; a1 = 0; a2 = 0;
1300         psxBios_Exec();
1301 }
1302
1303 void psxBios__bu_init() { // 70
1304 #ifdef PSXBIOS_LOG
1305         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1306 #endif
1307
1308         DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1309         DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1310
1311         pc0 = ra;
1312 }
1313
1314 void psxBios__96_init() { // 71
1315 #ifdef PSXBIOS_LOG
1316         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1317 #endif
1318
1319         pc0 = ra;
1320 }
1321
1322 void psxBios__96_remove() { // 72
1323 #ifdef PSXBIOS_LOG
1324         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1325 #endif
1326
1327         pc0 = ra;
1328 }
1329
1330 void psxBios_SetMem() { // 9f
1331         u32 new = psxHu32(0x1060);
1332
1333 #ifdef PSXBIOS_LOG
1334         PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1335 #endif
1336
1337         switch(a0) {
1338                 case 2:
1339                         psxHu32ref(0x1060) = SWAP32(new);
1340                         psxMu32ref(0x060) = a0;
1341                         SysPrintf("Change effective memory : %d MBytes\n",a0);
1342                         break;
1343
1344                 case 8:
1345                         psxHu32ref(0x1060) = SWAP32(new | 0x300);
1346                         psxMu32ref(0x060) = a0;
1347                         SysPrintf("Change effective memory : %d MBytes\n",a0);
1348
1349                 default:
1350                         SysPrintf("Effective memory must be 2/8 MBytes\n");
1351                 break;
1352         }
1353
1354         pc0 = ra;
1355 }
1356
1357 void psxBios__card_info() { // ab
1358 #ifdef PSXBIOS_LOG
1359         PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1360 #endif
1361         u32 ret;
1362         card_active_chan = a0;
1363
1364         switch (card_active_chan)
1365         {
1366         case 0x00: case 0x01: case 0x02: case 0x03:
1367                 ret = Config.Mcd1[0] ? 0x2 : 0x8;
1368                 break;
1369         case 0x10: case 0x11: case 0x12: case 0x13:
1370                 ret = Config.Mcd2[0] ? 0x2 : 0x8;
1371                 break;
1372         default:
1373 #ifdef PSXBIOS_LOG
1374                 PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan);
1375 #endif
1376                 ret = 0x11;
1377                 break;
1378         }
1379
1380 //      DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1381 //      DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1382         DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1383         DeliverEvent(0x81, ret); // 0xf4000001, 0x0004
1384
1385         v0 = 1; pc0 = ra;
1386 }
1387
1388 void psxBios__card_load() { // ac
1389 #ifdef PSXBIOS_LOG
1390         PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1391 #endif
1392
1393         card_active_chan = a0;
1394
1395 //      DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1396         DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1397
1398         v0 = 1; pc0 = ra;
1399 }
1400
1401 /* System calls B0 */
1402
1403 void psxBios_SetRCnt() { // 02
1404 #ifdef PSXBIOS_LOG
1405         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1406 #endif
1407
1408         a0&= 0x3;
1409         if (a0 != 3) {
1410                 u32 mode=0;
1411
1412                 psxRcntWtarget(a0, a1);
1413                 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1414                 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1415                 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1416                 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1417                 else         { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1418
1419                 psxRcntWmode(a0, mode);
1420         }
1421         pc0 = ra;
1422 }
1423
1424 void psxBios_GetRCnt() { // 03
1425 #ifdef PSXBIOS_LOG
1426         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1427 #endif
1428
1429         a0&= 0x3;
1430         if (a0 != 3) v0 = psxRcntRcount(a0);
1431         else v0 = 0;
1432         pc0 = ra;
1433 }
1434
1435 void psxBios_StartRCnt() { // 04
1436 #ifdef PSXBIOS_LOG
1437         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1438 #endif
1439
1440         a0&= 0x3;
1441         if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1442         else psxHu32ref(0x1074)|= SWAPu32(0x1);
1443         v0 = 1; pc0 = ra;
1444 }
1445
1446 void psxBios_StopRCnt() { // 05
1447 #ifdef PSXBIOS_LOG
1448         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1449 #endif
1450
1451         a0&= 0x3;
1452         if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1453         else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1454         pc0 = ra;
1455 }
1456
1457 void psxBios_ResetRCnt() { // 06
1458 #ifdef PSXBIOS_LOG
1459         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1460 #endif
1461
1462         a0&= 0x3;
1463         if (a0 != 3) {
1464                 psxRcntWmode(a0, 0);
1465                 psxRcntWtarget(a0, 0);
1466                 psxRcntWcount(a0, 0);
1467         }
1468         pc0 = ra;
1469 }
1470
1471
1472 /* gets ev for use with Event */
1473 #define GetEv() \
1474         ev = (a0 >> 24) & 0xf; \
1475         if (ev == 0xf) ev = 0x5; \
1476         ev*= 32; \
1477         ev+= a0&0x1f;
1478
1479 /* gets spec for use with Event */
1480 #define GetSpec() \
1481         spec = 0; \
1482         switch (a1) { \
1483                 case 0x0301: spec = 16; break; \
1484                 case 0x0302: spec = 17; break; \
1485                 default: \
1486                         for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1487                         break; \
1488         }
1489
1490 void psxBios_DeliverEvent() { // 07
1491         int ev, spec;
1492         int i;
1493
1494         GetEv();
1495         GetSpec();
1496
1497 #ifdef PSXBIOS_LOG
1498         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1499 #endif
1500
1501         DeliverEvent(ev, spec);
1502
1503         pc0 = ra;
1504 }
1505
1506 void psxBios_OpenEvent() { // 08
1507         int ev, spec;
1508         int i;
1509
1510         GetEv();
1511         GetSpec();
1512
1513 #ifdef PSXBIOS_LOG
1514         PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1515 #endif
1516
1517         Event[ev][spec].status = EvStWAIT;
1518         Event[ev][spec].mode = a2;
1519         Event[ev][spec].fhandler = a3;
1520
1521         v0 = ev | (spec << 8);
1522         pc0 = ra;
1523 }
1524
1525 void psxBios_CloseEvent() { // 09
1526         int ev, spec;
1527
1528         ev   = a0 & 0xff;
1529         spec = (a0 >> 8) & 0xff;
1530
1531 #ifdef PSXBIOS_LOG
1532         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1533 #endif
1534
1535         Event[ev][spec].status = EvStUNUSED;
1536
1537         v0 = 1; pc0 = ra;
1538 }
1539
1540 void psxBios_WaitEvent() { // 0a
1541         int ev, spec;
1542
1543         ev   = a0 & 0xff;
1544         spec = (a0 >> 8) & 0xff;
1545
1546 #ifdef PSXBIOS_LOG
1547         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1548 #endif
1549
1550         Event[ev][spec].status = EvStACTIVE;
1551
1552         v0 = 1; pc0 = ra;
1553 }
1554
1555 void psxBios_TestEvent() { // 0b
1556         int ev, spec;
1557
1558         ev   = a0 & 0xff;
1559         spec = (a0 >> 8) & 0xff;
1560
1561         if (Event[ev][spec].status == EvStALREADY) {
1562                 Event[ev][spec].status = EvStACTIVE; v0 = 1;
1563         } else v0 = 0;
1564
1565 #ifdef PSXBIOS_LOG
1566         PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1567 #endif
1568
1569         pc0 = ra;
1570 }
1571
1572 void psxBios_EnableEvent() { // 0c
1573         int ev, spec;
1574
1575         ev   = a0 & 0xff;
1576         spec = (a0 >> 8) & 0xff;
1577
1578 #ifdef PSXBIOS_LOG
1579         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1580 #endif
1581
1582         Event[ev][spec].status = EvStACTIVE;
1583
1584         v0 = 1; pc0 = ra;
1585 }
1586
1587 void psxBios_DisableEvent() { // 0d
1588         int ev, spec;
1589
1590         ev   = a0 & 0xff;
1591         spec = (a0 >> 8) & 0xff;
1592
1593 #ifdef PSXBIOS_LOG
1594         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1595 #endif
1596
1597         Event[ev][spec].status = EvStWAIT;
1598
1599         v0 = 1; pc0 = ra;
1600 }
1601
1602 /*
1603  *      long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1604  */
1605
1606 void psxBios_OpenTh() { // 0e
1607         int th;
1608
1609         for (th=1; th<8; th++)
1610                 if (Thread[th].status == 0) break;
1611
1612 #ifdef PSXBIOS_LOG
1613         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1614 #endif
1615
1616         Thread[th].status = 1;
1617         Thread[th].func    = a0;
1618         Thread[th].reg[29] = a1;
1619         Thread[th].reg[28] = a2;
1620
1621         v0 = th; pc0 = ra;
1622 }
1623
1624 /*
1625  *      int CloseTh(long thread);
1626  */
1627
1628 void psxBios_CloseTh() { // 0f
1629         int th = a0 & 0xff;
1630
1631 #ifdef PSXBIOS_LOG
1632         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1633 #endif
1634
1635         if (Thread[th].status == 0) {
1636                 v0 = 0;
1637         } else {
1638                 Thread[th].status = 0;
1639                 v0 = 1;
1640         }
1641
1642         pc0 = ra;
1643 }
1644
1645 /*
1646  *      int ChangeTh(long thread);
1647  */
1648
1649 void psxBios_ChangeTh() { // 10
1650         int th = a0 & 0xff;
1651
1652 #ifdef PSXBIOS_LOG
1653 //      PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1654 #endif
1655
1656         if (Thread[th].status == 0 || CurThread == th) {
1657                 v0 = 0;
1658
1659                 pc0 = ra;
1660         } else {
1661                 v0 = 1;
1662
1663                 if (Thread[CurThread].status == 2) {
1664                         Thread[CurThread].status = 1;
1665                         Thread[CurThread].func = ra;
1666                         memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1667                 }
1668
1669                 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1670                 pc0 = Thread[th].func;
1671                 Thread[th].status = 2;
1672                 CurThread = th;
1673         }
1674 }
1675
1676 void psxBios_InitPAD() { // 0x12
1677 #ifdef PSXBIOS_LOG
1678         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1679 #endif
1680
1681         pad_buf1 = (char*)Ra0;
1682         pad_buf1len = a1;
1683         pad_buf2 = (char*)Ra2;
1684         pad_buf2len = a3;
1685
1686         v0 = 1; pc0 = ra;
1687 }
1688
1689 void psxBios_StartPAD() { // 13
1690 #ifdef PSXBIOS_LOG
1691         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1692 #endif
1693
1694         psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1695         psxRegs.CP0.n.Status |= 0x401;
1696         pc0 = ra;
1697 }
1698
1699 void psxBios_StopPAD() { // 14
1700 #ifdef PSXBIOS_LOG
1701         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1702 #endif
1703
1704         pad_buf1 = NULL;
1705         pad_buf2 = NULL;
1706         pc0 = ra;
1707 }
1708
1709 void psxBios_PAD_init() { // 15
1710 #ifdef PSXBIOS_LOG
1711         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1712 #endif
1713         if (!(a0 == 0x20000000 || a0 == 0x20000001))
1714         {
1715                 v0 = 0;
1716                 pc0 = ra;
1717                 return;
1718         }
1719         psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1720         pad_buf = (int *)Ra1;
1721         *pad_buf = -1;
1722         psxRegs.CP0.n.Status |= 0x401;
1723         v0 = 2;
1724         pc0 = ra;
1725 }
1726
1727 void psxBios_PAD_dr() { // 16
1728 #ifdef PSXBIOS_LOG
1729         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1730 #endif
1731
1732         v0 = -1; pc0 = ra;
1733 }
1734
1735 void psxBios_ReturnFromException() { // 17
1736         LoadRegs();
1737
1738         pc0 = psxRegs.CP0.n.EPC;
1739         if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1740
1741         psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1742                                                   ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1743 }
1744
1745 void psxBios_ResetEntryInt() { // 18
1746 #ifdef PSXBIOS_LOG
1747         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1748 #endif
1749
1750         jmp_int = NULL;
1751         pc0 = ra;
1752 }
1753
1754 void psxBios_HookEntryInt() { // 19
1755 #ifdef PSXBIOS_LOG
1756         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
1757 #endif
1758
1759         jmp_int = (u32*)Ra0;
1760         pc0 = ra;
1761 }
1762
1763 void psxBios_UnDeliverEvent() { // 0x20
1764         int ev, spec;
1765         int i;
1766
1767         GetEv();
1768         GetSpec();
1769
1770 #ifdef PSXBIOS_LOG
1771         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
1772 #endif
1773
1774         if (Event[ev][spec].status == EvStALREADY &&
1775                 Event[ev][spec].mode == EvMdNOINTR)
1776                 Event[ev][spec].status = EvStACTIVE;
1777
1778         pc0 = ra;
1779 }
1780
1781 char ffile[64], *pfile;
1782 int nfile;
1783 static void buopen(int mcd, u8 *ptr, u8 *cfg)
1784 {
1785         int i;
1786         u8 *fptr = ptr;
1787
1788         strcpy(FDesc[1 + mcd].name, Ra0+5);
1789         FDesc[1 + mcd].offset = 0;
1790         FDesc[1 + mcd].mode   = a1;
1791
1792         for (i=1; i<16; i++) {
1793                 fptr += 128;
1794                 if ((*fptr & 0xF0) != 0x50) continue;
1795                 if (strcmp(FDesc[1 + mcd].name, fptr+0xa)) continue;
1796                 FDesc[1 + mcd].mcfile = i;
1797                 SysPrintf("open %s\n", fptr+0xa);
1798                 v0 = 1 + mcd;
1799                 break;
1800         }
1801         if (a1 & 0x200 && v0 == -1) { /* FCREAT */
1802                 fptr = ptr;
1803                 for (i=1; i<16; i++) {
1804                         int j, xor, nblk = a1 >> 16;
1805                         u8 *pptr, *fptr2;
1806
1807                         fptr += 128;
1808                         if ((*fptr & 0xF0) != 0xa0) continue;
1809
1810                         FDesc[1 + mcd].mcfile = i;
1811                         fptr[0] = 0x51;
1812                         fptr[4] = 0x00;
1813                         fptr[5] = 0x20 * nblk;
1814                         fptr[6] = 0x00;
1815                         fptr[7] = 0x00;
1816                         strcpy(fptr+0xa, FDesc[1 + mcd].name);
1817                         pptr = fptr2 = fptr;
1818                         for(j=2; j<=nblk; j++) {
1819                                 int k;
1820                                 for(i++; i<16; i++) {
1821                                         fptr2 += 128;
1822
1823                                         memset(fptr2, 0, 128);
1824                                         fptr2[0] = j < nblk ? 0x52 : 0x53;
1825                                         pptr[8] = i - 1;
1826                                         pptr[9] = 0;
1827                                         for (k=0, xor=0; k<127; k++) xor^= pptr[k];
1828                                         pptr[127] = xor;
1829                                         pptr = fptr2;
1830                                         break;
1831                                 }
1832                                 /* shouldn't this return ENOSPC if i == 16? */
1833                         }
1834                         pptr[8] = pptr[9] = 0xff;
1835                         for (j=0, xor=0; j<127; j++) xor^= pptr[j];
1836                         pptr[127] = xor;
1837                         SysPrintf("openC %s %d\n", ptr, nblk);
1838                         v0 = 1 + mcd;
1839                         /* just go ahead and resave them all */
1840                         SaveMcd(cfg, ptr, 128, 128 * 15);
1841                         break;
1842                 }
1843                 /* shouldn't this return ENOSPC if i == 16? */
1844         }
1845 }
1846
1847 /*
1848  *      int open(char *name , int mode);
1849  */
1850
1851 void psxBios_open() { // 0x32
1852         int i;
1853         char *ptr;
1854         void *pa0 = Ra0;
1855
1856 #ifdef PSXBIOS_LOG
1857         PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
1858 #endif
1859
1860         v0 = -1;
1861
1862         if (pa0) {
1863                 if (!strncmp(pa0, "bu00", 4)) {
1864                         buopen(1, Mcd1Data, Config.Mcd1);
1865                 }
1866
1867                 if (!strncmp(pa0, "bu10", 4)) {
1868                         buopen(2, Mcd2Data, Config.Mcd2);
1869                 }
1870         }
1871
1872         pc0 = ra;
1873 }
1874
1875 /*
1876  *      int lseek(int fd , int offset , int whence);
1877  */
1878
1879 void psxBios_lseek() { // 0x33
1880 #ifdef PSXBIOS_LOG
1881         PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
1882 #endif
1883
1884         switch (a2) {
1885                 case 0: // SEEK_SET
1886                         FDesc[a0].offset = a1;
1887                         v0 = a1;
1888 //                      DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1889 //                      DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1890                         break;
1891
1892                 case 1: // SEEK_CUR
1893                         FDesc[a0].offset+= a1;
1894                         v0 = FDesc[a0].offset;
1895                         break;
1896         }
1897
1898         pc0 = ra;
1899 }
1900
1901 #define buread(Ra1, mcd, length) { \
1902         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); \
1903         ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1904         memcpy(Ra1, ptr, length); \
1905         DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1906         DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
1907         if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1908         else v0 = length; \
1909         FDesc[1 + mcd].offset += v0; \
1910 }
1911
1912
1913
1914 /*
1915  *      int read(int fd , void *buf , int nbytes);
1916  */
1917
1918 void psxBios_read() { // 0x34
1919         char *ptr;
1920         void *pa1 = Ra1;
1921
1922 #ifdef PSXBIOS_LOG
1923         PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
1924 #endif
1925
1926         v0 = -1;
1927
1928         if (pa1) {
1929                 switch (a0) {
1930                         case 2: buread(pa1, 1, a2); break;
1931                         case 3: buread(pa1, 2, a2); break;
1932                 }
1933         }
1934
1935         pc0 = ra;
1936 }
1937
1938 #define buwrite(Ra1, mcd, length) { \
1939         u32 offset =  + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1940         SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \
1941         ptr = Mcd##mcd##Data + offset; \
1942         memcpy(ptr, Ra1, length); \
1943         DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1944         DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
1945         FDesc[1 + mcd].offset += length; \
1946         if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1947         else v0 = length; \
1948 }
1949
1950 /*
1951  *      int write(int fd , void *buf , int nbytes);
1952  */
1953
1954 void psxBios_write() { // 0x35/0x03
1955         char *ptr;
1956         void *pa1 = Ra1;
1957
1958 #ifdef PSXBIOS_LOG
1959         PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
1960 #endif
1961
1962         v0 = -1;
1963         if (!pa1) {
1964                 pc0 = ra;
1965                 return;
1966         }
1967
1968         if (a0 == 1) { // stdout
1969                 char *ptr = pa1;
1970
1971                 v0 = a2;
1972                 while (a2 > 0) {
1973                         SysPrintf("%c", *ptr++); a2--;
1974                 }
1975                 pc0 = ra; return;
1976         }
1977
1978         switch (a0) {
1979                 case 2: buwrite(pa1, 1, a2); break;
1980                 case 3: buwrite(pa1, 2, a2); break;
1981         }
1982
1983         pc0 = ra;
1984 }
1985
1986 /*
1987  *      int close(int fd);
1988  */
1989
1990 void psxBios_close() { // 0x36
1991 #ifdef PSXBIOS_LOG
1992         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
1993 #endif
1994
1995         v0 = a0;
1996         pc0 = ra;
1997 }
1998
1999 void psxBios_putchar() { // 3d
2000         SysPrintf("%c", (char)a0);
2001         pc0 = ra;
2002 }
2003
2004 void psxBios_puts() { // 3e/3f
2005         SysPrintf("%s", Ra0);
2006         pc0 = ra;
2007 }
2008
2009 char ffile[64], *pfile;
2010 int nfile;
2011
2012 #define bufile(mcd) { \
2013         while (nfile < 16) { \
2014                 int match=1; \
2015  \
2016                 ptr = Mcd##mcd##Data + 128 * (nfile + 1); \
2017                 nfile++; \
2018                 if ((*ptr & 0xF0) != 0x50) continue; \
2019                 /* Bug link files show up as free block. */ \
2020                 if (!ptr[0xa]) continue; \
2021                 ptr+= 0xa; \
2022                 if (pfile[0] == 0) { \
2023                         strncpy(dir->name, ptr, sizeof(dir->name)); \
2024                         dir->name[sizeof(dir->name) - 1] = '\0'; \
2025                 } else for (i=0; i<20; i++) { \
2026                         if (pfile[i] == ptr[i]) { \
2027                                                                 dir->name[i] = ptr[i]; continue; } \
2028                         if (pfile[i] == '?') { \
2029                                 dir->name[i] = ptr[i]; continue; } \
2030                         if (pfile[i] == '*') { \
2031                                 strcpy(dir->name+i, ptr+i); break; } \
2032                         match = 0; break; \
2033                 } \
2034                 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
2035                 if (match == 0) { continue; } \
2036                 dir->size = 8192; \
2037                 v0 = _dir; \
2038                 break; \
2039         } \
2040 }
2041
2042 /*
2043  *      struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
2044  */
2045
2046 void psxBios_firstfile() { // 42
2047         struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
2048         void *pa0 = Ra0;
2049         u32 _dir = a1;
2050         char *ptr;
2051         int i;
2052
2053 #ifdef PSXBIOS_LOG
2054         PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
2055 #endif
2056
2057         v0 = 0;
2058
2059         if (pa0) {
2060                 strcpy(ffile, pa0);
2061                 pfile = ffile+5;
2062                 nfile = 1;
2063                 if (!strncmp(pa0, "bu00", 4)) {
2064                         bufile(1);
2065                 } else if (!strncmp(pa0, "bu10", 4)) {
2066                         bufile(2);
2067                 }
2068         }
2069
2070         // firstfile() calls _card_read() internally, so deliver it's event
2071         DeliverEvent(0x11, 0x2);
2072
2073         pc0 = ra;
2074 }
2075
2076 /*
2077  *      struct DIRENTRY* nextfile(struct DIRENTRY *dir);
2078  */
2079
2080 void psxBios_nextfile() { // 43
2081         struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
2082         u32 _dir = a0;
2083         char *ptr;
2084         int i;
2085
2086 #ifdef PSXBIOS_LOG
2087         PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
2088 #endif
2089
2090         v0 = 0;
2091
2092         if (!strncmp(ffile, "bu00", 4)) {
2093                 bufile(1);
2094         }
2095
2096         if (!strncmp(ffile, "bu10", 4)) {
2097                 bufile(2);
2098         }
2099
2100         pc0 = ra;
2101 }
2102
2103 #define burename(mcd) { \
2104         for (i=1; i<16; i++) { \
2105                 int namelen, j, xor = 0; \
2106                 ptr = Mcd##mcd##Data + 128 * i; \
2107                 if ((*ptr & 0xF0) != 0x50) continue; \
2108                 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2109                 namelen = strlen(Ra1+5); \
2110                 memcpy(ptr+0xa, Ra1+5, namelen); \
2111                 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
2112                 for (j=0; j<127; j++) xor^= ptr[j]; \
2113                 ptr[127] = xor; \
2114                 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
2115                 v0 = 1; \
2116                 break; \
2117         } \
2118 }
2119
2120 /*
2121  *      int rename(char *old, char *new);
2122  */
2123
2124 void psxBios_rename() { // 44
2125         void *pa0 = Ra0;
2126         void *pa1 = Ra1;
2127         char *ptr;
2128         int i;
2129
2130 #ifdef PSXBIOS_LOG
2131         PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
2132 #endif
2133
2134         v0 = 0;
2135
2136         if (pa0 && pa1) {
2137                 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
2138                         burename(1);
2139                 }
2140
2141                 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
2142                         burename(2);
2143                 }
2144         }
2145
2146         pc0 = ra;
2147 }
2148
2149
2150 #define budelete(mcd) { \
2151         for (i=1; i<16; i++) { \
2152                 ptr = Mcd##mcd##Data + 128 * i; \
2153                 if ((*ptr & 0xF0) != 0x50) continue; \
2154                 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2155                 *ptr = (*ptr & 0xf) | 0xA0; \
2156                 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
2157                 SysPrintf("delete %s\n", ptr+0xa); \
2158                 v0 = 1; \
2159                 break; \
2160         } \
2161 }
2162
2163 /*
2164  *      int delete(char *name);
2165  */
2166
2167 void psxBios_delete() { // 45
2168         void *pa0 = Ra0;
2169         char *ptr;
2170         int i;
2171
2172 #ifdef PSXBIOS_LOG
2173         PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2174 #endif
2175
2176         v0 = 0;
2177
2178         if (pa0) {
2179                 if (!strncmp(pa0, "bu00", 4)) {
2180                         budelete(1);
2181                 }
2182
2183                 if (!strncmp(pa0, "bu10", 4)) {
2184                         budelete(2);
2185                 }
2186         }
2187
2188         pc0 = ra;
2189 }
2190
2191 void psxBios_InitCARD() { // 4a
2192 #ifdef PSXBIOS_LOG
2193         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2194 #endif
2195
2196         CardState = 0;
2197
2198         pc0 = ra;
2199 }
2200
2201 void psxBios_StartCARD() { // 4b
2202 #ifdef PSXBIOS_LOG
2203         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2204 #endif
2205
2206         if (CardState == 0) CardState = 1;
2207
2208         pc0 = ra;
2209 }
2210
2211 void psxBios_StopCARD() { // 4c
2212 #ifdef PSXBIOS_LOG
2213         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2214 #endif
2215
2216         if (CardState == 1) CardState = 0;
2217
2218         pc0 = ra;
2219 }
2220
2221 void psxBios__card_write() { // 0x4e
2222         void *pa2 = Ra2;
2223         int port;
2224
2225 #ifdef PSXBIOS_LOG
2226         PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2227 #endif
2228         /* Function also accepts sector 400h (a bug) */
2229         if (!(a1 <= 0x400))
2230         {
2231                 /* Invalid sectors */
2232                 v0 = 0; pc0 = ra;
2233                 return;
2234         }
2235         card_active_chan = a0;
2236         port = a0 >> 4;
2237
2238         if (pa2) {
2239                 if (port == 0) {
2240                         memcpy(Mcd1Data + a1 * 128, pa2, 128);
2241                         SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2242                 } else {
2243                         memcpy(Mcd2Data + a1 * 128, pa2, 128);
2244                         SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2245                 }
2246         }
2247
2248         DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2249 //      DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2250
2251         v0 = 1; pc0 = ra;
2252 }
2253
2254 void psxBios__card_read() { // 0x4f
2255         void *pa2 = Ra2;
2256         int port;
2257
2258 #ifdef PSXBIOS_LOG
2259         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2260 #endif
2261         /* Function also accepts sector 400h (a bug) */
2262         if (!(a1 <= 0x400))
2263         {
2264                 /* Invalid sectors */
2265                 v0 = 0; pc0 = ra;
2266                 return;
2267         }
2268         card_active_chan = a0;
2269         port = a0 >> 4;
2270
2271         if (pa2) {
2272                 if (port == 0) {
2273                         memcpy(pa2, Mcd1Data + a1 * 128, 128);
2274                 } else {
2275                         memcpy(pa2, Mcd2Data + a1 * 128, 128);
2276                 }
2277         }
2278
2279         DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2280 //      DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2281
2282         v0 = 1; pc0 = ra;
2283 }
2284
2285 void psxBios__new_card() { // 0x50
2286 #ifdef PSXBIOS_LOG
2287         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2288 #endif
2289
2290         pc0 = ra;
2291 }
2292
2293 void psxBios_Krom2RawAdd() { // 0x51
2294         int i = 0;
2295
2296         const u32 table_8140[][2] = {
2297                 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2298                 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2299                 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2300                 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2301                 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2302                 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2303                 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2304                 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2305                 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2306                 {0xffff, 0}
2307         };
2308
2309         const u32 table_889f[][2] = {
2310                 {0x889f, 0x3d68},  {0x8900, 0x40ec},  {0x897f, 0x4fb0},  {0x8a00, 0x56f4},
2311                 {0x8a7f, 0x65b8},  {0x8b00, 0x6cfc},  {0x8b7f, 0x7bc0},  {0x8c00, 0x8304},
2312                 {0x8c7f, 0x91c8},  {0x8d00, 0x990c},  {0x8d7f, 0xa7d0},  {0x8e00, 0xaf14},
2313                 {0x8e7f, 0xbdd8},  {0x8f00, 0xc51c},  {0x8f7f, 0xd3e0},  {0x9000, 0xdb24},
2314                 {0x907f, 0xe9e8},  {0x9100, 0xf12c},  {0x917f, 0xfff0},  {0x9200, 0x10734},
2315                 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2316                 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2317                 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2318                 {0xffff, 0}
2319         };
2320
2321         if (a0 >= 0x8140 && a0 <= 0x84be) {
2322                 while (table_8140[i][0] <= a0) i++;
2323                 a0 -= table_8140[i - 1][0];
2324                 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2325         } else if (a0 >= 0x889f && a0 <= 0x9872) {
2326                 while (table_889f[i][0] <= a0) i++;
2327                 a0 -= table_889f[i - 1][0];
2328                 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2329         } else {
2330                 v0 = 0xffffffff;
2331         }
2332
2333         pc0 = ra;
2334 }
2335
2336 void psxBios_GetC0Table() { // 56
2337 #ifdef PSXBIOS_LOG
2338         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2339 #endif
2340
2341         v0 = 0x674; pc0 = ra;
2342 }
2343
2344 void psxBios_GetB0Table() { // 57
2345 #ifdef PSXBIOS_LOG
2346         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2347 #endif
2348
2349         v0 = 0x874; pc0 = ra;
2350 }
2351
2352 void psxBios__card_chan() { // 0x58
2353 #ifdef PSXBIOS_LOG
2354         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2355 #endif
2356
2357         v0 = card_active_chan;
2358         pc0 = ra;
2359 }
2360
2361 void psxBios_ChangeClearPad() { // 5b
2362 #ifdef PSXBIOS_LOG
2363         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2364 #endif
2365
2366         pc0 = ra;
2367 }
2368
2369 /* System calls C0 */
2370
2371 /*
2372  * int SysEnqIntRP(int index , long *queue);
2373  */
2374
2375 void psxBios_SysEnqIntRP() { // 02
2376 #ifdef PSXBIOS_LOG
2377         PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2378 #endif
2379
2380         SysIntRP[a0] = a1;
2381
2382         v0 = 0; pc0 = ra;
2383 }
2384
2385 /*
2386  * int SysDeqIntRP(int index , long *queue);
2387  */
2388
2389 void psxBios_SysDeqIntRP() { // 03
2390 #ifdef PSXBIOS_LOG
2391         PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2392 #endif
2393
2394         SysIntRP[a0] = 0;
2395
2396         v0 = 0; pc0 = ra;
2397 }
2398
2399 void psxBios_ChangeClearRCnt() { // 0a
2400         u32 *ptr;
2401
2402 #ifdef PSXBIOS_LOG
2403         PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2404 #endif
2405
2406         ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2407         v0 = *ptr;
2408         *ptr = a1;
2409
2410 //      psxRegs.CP0.n.Status|= 0x404;
2411         pc0 = ra;
2412 }
2413
2414 void psxBios_dummy() {
2415 #ifdef PSXBIOS_LOG
2416         PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2417 #endif
2418         pc0 = ra;
2419 }
2420
2421 void (*biosA0[256])();
2422 void (*biosB0[256])();
2423 void (*biosC0[256])();
2424
2425 #include "sjisfont.h"
2426
2427 void psxBiosInit() {
2428         u32 base, size;
2429         u32 *ptr;
2430         int i;
2431         uLongf len;
2432
2433         for(i = 0; i < 256; i++) {
2434                 biosA0[i] = NULL;
2435                 biosB0[i] = NULL;
2436                 biosC0[i] = NULL;
2437         }
2438         biosA0[0x3e] = psxBios_puts;
2439         biosA0[0x3f] = psxBios_printf;
2440
2441         biosB0[0x3d] = psxBios_putchar;
2442         biosB0[0x3f] = psxBios_puts;
2443
2444         if (!Config.HLE) return;
2445
2446         for(i = 0; i < 256; i++) {
2447                 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2448                 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2449                 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2450         }
2451
2452         biosA0[0x00] = psxBios_open;
2453         biosA0[0x01] = psxBios_lseek;
2454         biosA0[0x02] = psxBios_read;
2455         biosA0[0x03] = psxBios_write;
2456         biosA0[0x04] = psxBios_close;
2457         //biosA0[0x05] = psxBios_ioctl;
2458         //biosA0[0x06] = psxBios_exit;
2459         //biosA0[0x07] = psxBios_sys_a0_07;
2460         biosA0[0x08] = psxBios_getc;
2461         biosA0[0x09] = psxBios_putc;
2462         biosA0[0x0a] = psxBios_todigit;
2463         //biosA0[0x0b] = psxBios_atof;
2464         //biosA0[0x0c] = psxBios_strtoul;
2465         //biosA0[0x0d] = psxBios_strtol;
2466         biosA0[0x0e] = psxBios_abs;
2467         biosA0[0x0f] = psxBios_labs;
2468         biosA0[0x10] = psxBios_atoi;
2469         biosA0[0x11] = psxBios_atol;
2470         //biosA0[0x12] = psxBios_atob;
2471         biosA0[0x13] = psxBios_setjmp;
2472         biosA0[0x14] = psxBios_longjmp;
2473         biosA0[0x15] = psxBios_strcat;
2474         biosA0[0x16] = psxBios_strncat;
2475         biosA0[0x17] = psxBios_strcmp;
2476         biosA0[0x18] = psxBios_strncmp;
2477         biosA0[0x19] = psxBios_strcpy;
2478         biosA0[0x1a] = psxBios_strncpy;
2479         biosA0[0x1b] = psxBios_strlen;
2480         biosA0[0x1c] = psxBios_index;
2481         biosA0[0x1d] = psxBios_rindex;
2482         biosA0[0x1e] = psxBios_strchr;
2483         biosA0[0x1f] = psxBios_strrchr;
2484         biosA0[0x20] = psxBios_strpbrk;
2485         biosA0[0x21] = psxBios_strspn;
2486         biosA0[0x22] = psxBios_strcspn;
2487         biosA0[0x23] = psxBios_strtok;
2488         biosA0[0x24] = psxBios_strstr;
2489         biosA0[0x25] = psxBios_toupper;
2490         biosA0[0x26] = psxBios_tolower;
2491         biosA0[0x27] = psxBios_bcopy;
2492         biosA0[0x28] = psxBios_bzero;
2493         biosA0[0x29] = psxBios_bcmp;
2494         biosA0[0x2a] = psxBios_memcpy;
2495         biosA0[0x2b] = psxBios_memset;
2496         biosA0[0x2c] = psxBios_memmove;
2497         biosA0[0x2d] = psxBios_memcmp;
2498         biosA0[0x2e] = psxBios_memchr;
2499         biosA0[0x2f] = psxBios_rand;
2500         biosA0[0x30] = psxBios_srand;
2501         biosA0[0x31] = psxBios_qsort;
2502         //biosA0[0x32] = psxBios_strtod;
2503         biosA0[0x33] = psxBios_malloc;
2504         biosA0[0x34] = psxBios_free;
2505         //biosA0[0x35] = psxBios_lsearch;
2506         //biosA0[0x36] = psxBios_bsearch;
2507         biosA0[0x37] = psxBios_calloc;
2508         biosA0[0x38] = psxBios_realloc;
2509         biosA0[0x39] = psxBios_InitHeap;
2510         //biosA0[0x3a] = psxBios__exit;
2511         biosA0[0x3b] = psxBios_getchar;
2512         biosA0[0x3c] = psxBios_putchar;
2513         //biosA0[0x3d] = psxBios_gets;
2514         //biosA0[0x40] = psxBios_sys_a0_40;
2515         //biosA0[0x41] = psxBios_LoadTest;
2516         biosA0[0x42] = psxBios_Load;
2517         biosA0[0x43] = psxBios_Exec;
2518         biosA0[0x44] = psxBios_FlushCache;
2519         //biosA0[0x45] = psxBios_InstallInterruptHandler;
2520         biosA0[0x46] = psxBios_GPU_dw;
2521         biosA0[0x47] = psxBios_mem2vram;
2522         biosA0[0x48] = psxBios_SendGPU;
2523         biosA0[0x49] = psxBios_GPU_cw;
2524         biosA0[0x4a] = psxBios_GPU_cwb;
2525         biosA0[0x4b] = psxBios_GPU_SendPackets;
2526         biosA0[0x4c] = psxBios_sys_a0_4c;
2527         biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2528         //biosA0[0x4e] = psxBios_GPU_sync;
2529         //biosA0[0x4f] = psxBios_sys_a0_4f;
2530         //biosA0[0x50] = psxBios_sys_a0_50;
2531         biosA0[0x51] = psxBios_LoadExec;
2532         //biosA0[0x52] = psxBios_GetSysSp;
2533         //biosA0[0x53] = psxBios_sys_a0_53;
2534         //biosA0[0x54] = psxBios__96_init_a54;
2535         //biosA0[0x55] = psxBios__bu_init_a55;
2536         //biosA0[0x56] = psxBios__96_remove_a56;
2537         //biosA0[0x57] = psxBios_sys_a0_57;
2538         //biosA0[0x58] = psxBios_sys_a0_58;
2539         //biosA0[0x59] = psxBios_sys_a0_59;
2540         //biosA0[0x5a] = psxBios_sys_a0_5a;
2541         //biosA0[0x5b] = psxBios_dev_tty_init;
2542         //biosA0[0x5c] = psxBios_dev_tty_open;
2543         //biosA0[0x5d] = psxBios_sys_a0_5d;
2544         //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2545         //biosA0[0x5f] = psxBios_dev_cd_open;
2546         //biosA0[0x60] = psxBios_dev_cd_read;
2547         //biosA0[0x61] = psxBios_dev_cd_close;
2548         //biosA0[0x62] = psxBios_dev_cd_firstfile;
2549         //biosA0[0x63] = psxBios_dev_cd_nextfile;
2550         //biosA0[0x64] = psxBios_dev_cd_chdir;
2551         //biosA0[0x65] = psxBios_dev_card_open;
2552         //biosA0[0x66] = psxBios_dev_card_read;
2553         //biosA0[0x67] = psxBios_dev_card_write;
2554         //biosA0[0x68] = psxBios_dev_card_close;
2555         //biosA0[0x69] = psxBios_dev_card_firstfile;
2556         //biosA0[0x6a] = psxBios_dev_card_nextfile;
2557         //biosA0[0x6b] = psxBios_dev_card_erase;
2558         //biosA0[0x6c] = psxBios_dev_card_undelete;
2559         //biosA0[0x6d] = psxBios_dev_card_format;
2560         //biosA0[0x6e] = psxBios_dev_card_rename;
2561         //biosA0[0x6f] = psxBios_dev_card_6f;
2562         biosA0[0x70] = psxBios__bu_init;
2563         biosA0[0x71] = psxBios__96_init;
2564         biosA0[0x72] = psxBios__96_remove;
2565         //biosA0[0x73] = psxBios_sys_a0_73;
2566         //biosA0[0x74] = psxBios_sys_a0_74;
2567         //biosA0[0x75] = psxBios_sys_a0_75;
2568         //biosA0[0x76] = psxBios_sys_a0_76;
2569         //biosA0[0x77] = psxBios_sys_a0_77;
2570         //biosA0[0x78] = psxBios__96_CdSeekL;
2571         //biosA0[0x79] = psxBios_sys_a0_79;
2572         //biosA0[0x7a] = psxBios_sys_a0_7a;
2573         //biosA0[0x7b] = psxBios_sys_a0_7b;
2574         //biosA0[0x7c] = psxBios__96_CdGetStatus;
2575         //biosA0[0x7d] = psxBios_sys_a0_7d;
2576         //biosA0[0x7e] = psxBios__96_CdRead;
2577         //biosA0[0x7f] = psxBios_sys_a0_7f;
2578         //biosA0[0x80] = psxBios_sys_a0_80;
2579         //biosA0[0x81] = psxBios_sys_a0_81;
2580         //biosA0[0x82] = psxBios_sys_a0_82;
2581         //biosA0[0x83] = psxBios_sys_a0_83;
2582         //biosA0[0x84] = psxBios_sys_a0_84;
2583         //biosA0[0x85] = psxBios__96_CdStop;
2584         //biosA0[0x86] = psxBios_sys_a0_86;
2585         //biosA0[0x87] = psxBios_sys_a0_87;
2586         //biosA0[0x88] = psxBios_sys_a0_88;
2587         //biosA0[0x89] = psxBios_sys_a0_89;
2588         //biosA0[0x8a] = psxBios_sys_a0_8a;
2589         //biosA0[0x8b] = psxBios_sys_a0_8b;
2590         //biosA0[0x8c] = psxBios_sys_a0_8c;
2591         //biosA0[0x8d] = psxBios_sys_a0_8d;
2592         //biosA0[0x8e] = psxBios_sys_a0_8e;
2593         //biosA0[0x8f] = psxBios_sys_a0_8f;
2594         //biosA0[0x90] = psxBios_sys_a0_90;
2595         //biosA0[0x91] = psxBios_sys_a0_91;
2596         //biosA0[0x92] = psxBios_sys_a0_92;
2597         //biosA0[0x93] = psxBios_sys_a0_93;
2598         //biosA0[0x94] = psxBios_sys_a0_94;
2599         //biosA0[0x95] = psxBios_sys_a0_95;
2600         //biosA0[0x96] = psxBios_AddCDROMDevice;
2601         //biosA0[0x97] = psxBios_AddMemCardDevide;
2602         //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2603         //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2604         //biosA0[0x9a] = psxBios_sys_a0_9a;
2605         //biosA0[0x9b] = psxBios_sys_a0_9b;
2606         //biosA0[0x9c] = psxBios_SetConf;
2607         //biosA0[0x9d] = psxBios_GetConf;
2608         //biosA0[0x9e] = psxBios_sys_a0_9e;
2609         biosA0[0x9f] = psxBios_SetMem;
2610         //biosA0[0xa0] = psxBios__boot;
2611         //biosA0[0xa1] = psxBios_SystemError;
2612         //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2613         //biosA0[0xa3] = psxBios_DequeueCdIntr;
2614         //biosA0[0xa4] = psxBios_sys_a0_a4;
2615         //biosA0[0xa5] = psxBios_ReadSector;
2616         //biosA0[0xa6] = psxBios_get_cd_status;
2617         //biosA0[0xa7] = psxBios_bufs_cb_0;
2618         //biosA0[0xa8] = psxBios_bufs_cb_1;
2619         //biosA0[0xa9] = psxBios_bufs_cb_2;
2620         //biosA0[0xaa] = psxBios_bufs_cb_3;
2621         biosA0[0xab] = psxBios__card_info;
2622         biosA0[0xac] = psxBios__card_load;
2623         //biosA0[0axd] = psxBios__card_auto;
2624         //biosA0[0xae] = psxBios_bufs_cd_4;
2625         //biosA0[0xaf] = psxBios_sys_a0_af;
2626         //biosA0[0xb0] = psxBios_sys_a0_b0;
2627         //biosA0[0xb1] = psxBios_sys_a0_b1;
2628         //biosA0[0xb2] = psxBios_do_a_long_jmp
2629         //biosA0[0xb3] = psxBios_sys_a0_b3;
2630         //biosA0[0xb4] = psxBios_sub_function;
2631 //*******************B0 CALLS****************************
2632         //biosB0[0x00] = psxBios_SysMalloc;
2633         //biosB0[0x01] = psxBios_sys_b0_01;
2634         biosB0[0x02] = psxBios_SetRCnt;
2635         biosB0[0x03] = psxBios_GetRCnt;
2636         biosB0[0x04] = psxBios_StartRCnt;
2637         biosB0[0x05] = psxBios_StopRCnt;
2638         biosB0[0x06] = psxBios_ResetRCnt;
2639         biosB0[0x07] = psxBios_DeliverEvent;
2640         biosB0[0x08] = psxBios_OpenEvent;
2641         biosB0[0x09] = psxBios_CloseEvent;
2642         biosB0[0x0a] = psxBios_WaitEvent;
2643         biosB0[0x0b] = psxBios_TestEvent;
2644         biosB0[0x0c] = psxBios_EnableEvent;
2645         biosB0[0x0d] = psxBios_DisableEvent;
2646         biosB0[0x0e] = psxBios_OpenTh;
2647         biosB0[0x0f] = psxBios_CloseTh;
2648         biosB0[0x10] = psxBios_ChangeTh;
2649         //biosB0[0x11] = psxBios_psxBios_b0_11;
2650         biosB0[0x12] = psxBios_InitPAD;
2651         biosB0[0x13] = psxBios_StartPAD;
2652         biosB0[0x14] = psxBios_StopPAD;
2653         biosB0[0x15] = psxBios_PAD_init;
2654         biosB0[0x16] = psxBios_PAD_dr;
2655         biosB0[0x17] = psxBios_ReturnFromException;
2656         biosB0[0x18] = psxBios_ResetEntryInt;
2657         biosB0[0x19] = psxBios_HookEntryInt;
2658         //biosB0[0x1a] = psxBios_sys_b0_1a;
2659         //biosB0[0x1b] = psxBios_sys_b0_1b;
2660         //biosB0[0x1c] = psxBios_sys_b0_1c;
2661         //biosB0[0x1d] = psxBios_sys_b0_1d;
2662         //biosB0[0x1e] = psxBios_sys_b0_1e;
2663         //biosB0[0x1f] = psxBios_sys_b0_1f;
2664         biosB0[0x20] = psxBios_UnDeliverEvent;
2665         //biosB0[0x21] = psxBios_sys_b0_21;
2666         //biosB0[0x22] = psxBios_sys_b0_22;
2667         //biosB0[0x23] = psxBios_sys_b0_23;
2668         //biosB0[0x24] = psxBios_sys_b0_24;
2669         //biosB0[0x25] = psxBios_sys_b0_25;
2670         //biosB0[0x26] = psxBios_sys_b0_26;
2671         //biosB0[0x27] = psxBios_sys_b0_27;
2672         //biosB0[0x28] = psxBios_sys_b0_28;
2673         //biosB0[0x29] = psxBios_sys_b0_29;
2674         //biosB0[0x2a] = psxBios_sys_b0_2a;
2675         //biosB0[0x2b] = psxBios_sys_b0_2b;
2676         //biosB0[0x2c] = psxBios_sys_b0_2c;
2677         //biosB0[0x2d] = psxBios_sys_b0_2d;
2678         //biosB0[0x2e] = psxBios_sys_b0_2e;
2679         //biosB0[0x2f] = psxBios_sys_b0_2f;
2680         //biosB0[0x30] = psxBios_sys_b0_30;
2681         //biosB0[0x31] = psxBios_sys_b0_31;
2682         biosB0[0x32] = psxBios_open;
2683         biosB0[0x33] = psxBios_lseek;
2684         biosB0[0x34] = psxBios_read;
2685         biosB0[0x35] = psxBios_write;
2686         biosB0[0x36] = psxBios_close;
2687         //biosB0[0x37] = psxBios_ioctl;
2688         //biosB0[0x38] = psxBios_exit;
2689         //biosB0[0x39] = psxBios_sys_b0_39;
2690         //biosB0[0x3a] = psxBios_getc;
2691         //biosB0[0x3b] = psxBios_putc;
2692         biosB0[0x3c] = psxBios_getchar;
2693         //biosB0[0x3e] = psxBios_gets;
2694         //biosB0[0x40] = psxBios_cd;
2695         biosB0[0x41] = psxBios_format;
2696         biosB0[0x42] = psxBios_firstfile;
2697         biosB0[0x43] = psxBios_nextfile;
2698         biosB0[0x44] = psxBios_rename;
2699         biosB0[0x45] = psxBios_delete;
2700         //biosB0[0x46] = psxBios_undelete;
2701         //biosB0[0x47] = psxBios_AddDevice;
2702         //biosB0[0x48] = psxBios_RemoteDevice;
2703         //biosB0[0x49] = psxBios_PrintInstalledDevices;
2704         biosB0[0x4a] = psxBios_InitCARD;
2705         biosB0[0x4b] = psxBios_StartCARD;
2706         biosB0[0x4c] = psxBios_StopCARD;
2707         //biosB0[0x4d] = psxBios_sys_b0_4d;
2708         biosB0[0x4e] = psxBios__card_write;
2709         biosB0[0x4f] = psxBios__card_read;
2710         biosB0[0x50] = psxBios__new_card;
2711         biosB0[0x51] = psxBios_Krom2RawAdd;
2712         //biosB0[0x52] = psxBios_sys_b0_52;
2713         //biosB0[0x53] = psxBios_sys_b0_53;
2714         //biosB0[0x54] = psxBios__get_errno;
2715         //biosB0[0x55] = psxBios__get_error;
2716         biosB0[0x56] = psxBios_GetC0Table;
2717         biosB0[0x57] = psxBios_GetB0Table;
2718         biosB0[0x58] = psxBios__card_chan;
2719         //biosB0[0x59] = psxBios_sys_b0_59;
2720         //biosB0[0x5a] = psxBios_sys_b0_5a;
2721         biosB0[0x5b] = psxBios_ChangeClearPad;
2722         //biosB0[0x5c] = psxBios__card_status;
2723         //biosB0[0x5d] = psxBios__card_wait;
2724 //*******************C0 CALLS****************************
2725         //biosC0[0x00] = psxBios_InitRCnt;
2726         //biosC0[0x01] = psxBios_InitException;
2727         biosC0[0x02] = psxBios_SysEnqIntRP;
2728         biosC0[0x03] = psxBios_SysDeqIntRP;
2729         //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2730         //biosC0[0x05] = psxBios_get_free_TCB_slot;
2731         //biosC0[0x06] = psxBios_ExceptionHandler;
2732         //biosC0[0x07] = psxBios_InstallExeptionHandler;
2733         //biosC0[0x08] = psxBios_SysInitMemory;
2734         //biosC0[0x09] = psxBios_SysInitKMem;
2735         biosC0[0x0a] = psxBios_ChangeClearRCnt;
2736         //biosC0[0x0b] = psxBios_SystemError;
2737         //biosC0[0x0c] = psxBios_InitDefInt;
2738         //biosC0[0x0d] = psxBios_sys_c0_0d;
2739         //biosC0[0x0e] = psxBios_sys_c0_0e;
2740         //biosC0[0x0f] = psxBios_sys_c0_0f;
2741         //biosC0[0x10] = psxBios_sys_c0_10;
2742         //biosC0[0x11] = psxBios_sys_c0_11;
2743         //biosC0[0x12] = psxBios_InstallDevices;
2744         //biosC0[0x13] = psxBios_FlushStfInOutPut;
2745         //biosC0[0x14] = psxBios_sys_c0_14;
2746         //biosC0[0x15] = psxBios__cdevinput;
2747         //biosC0[0x16] = psxBios__cdevscan;
2748         //biosC0[0x17] = psxBios__circgetc;
2749         //biosC0[0x18] = psxBios__circputc;
2750         //biosC0[0x19] = psxBios_ioabort;
2751         //biosC0[0x1a] = psxBios_sys_c0_1a
2752         //biosC0[0x1b] = psxBios_KernelRedirect;
2753         //biosC0[0x1c] = psxBios_PatchAOTable;
2754 //************** THE END ***************************************
2755 /**/
2756         base = 0x1000;
2757         size = sizeof(EvCB) * 32;
2758         Event = (void *)&psxR[base]; base += size * 6;
2759         memset(Event, 0, size * 6);
2760         HwEV = Event;
2761         EvEV = Event + 32;
2762         RcEV = Event + 32 * 2;
2763         UeEV = Event + 32 * 3;
2764         SwEV = Event + 32 * 4;
2765         ThEV = Event + 32 * 5;
2766
2767         ptr = (u32 *)&psxM[0x0874]; // b0 table
2768         ptr[0] = SWAPu32(0x4c54 - 0x884);
2769
2770         ptr = (u32 *)&psxM[0x0674]; // c0 table
2771         ptr[6] = SWAPu32(0xc80);
2772
2773         memset(SysIntRP, 0, sizeof(SysIntRP));
2774         memset(Thread, 0, sizeof(Thread));
2775         Thread[0].status = 2; // main thread
2776
2777         jmp_int = NULL;
2778         pad_buf = NULL;
2779         pad_buf1 = NULL;
2780         pad_buf2 = NULL;
2781         pad_buf1len = pad_buf2len = 0;
2782         heap_addr = NULL;
2783         heap_end = NULL;
2784         CardState = -1;
2785         CurThread = 0;
2786         memset(FDesc, 0, sizeof(FDesc));
2787
2788         psxMu32ref(0x0150) = SWAPu32(0x160);
2789         psxMu32ref(0x0154) = SWAPu32(0x320);
2790         psxMu32ref(0x0160) = SWAPu32(0x248);
2791         strcpy((char *)&psxM[0x248], "bu");
2792 /*      psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
2793         psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
2794         psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
2795         psxMu32ref(0x09e0) = SWAPu32(0x43d0);
2796         psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
2797 */
2798         // opcode HLE
2799         psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
2800         psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
2801         psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
2802         psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
2803         psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
2804         psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
2805         psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
2806         psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
2807         psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
2808         psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
2809
2810         // initial stack pointer for BIOS interrupt
2811         psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
2812
2813         // initial RNG seed
2814         psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
2815
2816         // fonts
2817         len = 0x80000 - 0x66000;
2818         uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
2819         len = 0x80000 - 0x69d68;
2820         uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
2821
2822         // memory size 2 MB
2823         psxHu32ref(0x1060) = SWAPu32(0x00000b88);
2824
2825         hleSoftCall = FALSE;
2826 }
2827
2828 void psxBiosShutdown() {
2829 }
2830
2831 #define psxBios_PADpoll(pad) { \
2832         PAD##pad##_startPoll(pad); \
2833         pad_buf##pad[0] = 0; \
2834         pad_buf##pad[1] = PAD##pad##_poll(0x42); \
2835         if (!(pad_buf##pad[1] & 0x0f)) { \
2836                 bufcount = 32; \
2837         } else { \
2838                 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
2839         } \
2840         PAD##pad##_poll(0); \
2841         i = 2; \
2842         while (bufcount--) { \
2843                 pad_buf##pad[i++] = PAD##pad##_poll(0); \
2844         } \
2845 }
2846
2847 void biosInterrupt() {
2848         int i, bufcount;
2849
2850 //      if (psxHu32(0x1070) & 0x1) { // Vsync
2851                 if (pad_buf != NULL) {
2852                         u32 *buf = (u32*)pad_buf;
2853
2854                         if (!Config.UseNet) {
2855                                 PAD1_startPoll(1);
2856                                 if (PAD1_poll(0x42) == 0x23) {
2857                                         PAD1_poll(0);
2858                                         *buf = PAD1_poll(0) << 8;
2859                                         *buf |= PAD1_poll(0);
2860                                         PAD1_poll(0);
2861                                         *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
2862                                         *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
2863                                 } else {
2864                                         PAD1_poll(0);
2865                                         *buf = PAD1_poll(0) << 8;
2866                                         *buf|= PAD1_poll(0);
2867                                 }
2868
2869                                 PAD2_startPoll(2);
2870                                 if (PAD2_poll(0x42) == 0x23) {
2871                                         PAD2_poll(0);
2872                                         *buf |= PAD2_poll(0) << 24;
2873                                         *buf |= PAD2_poll(0) << 16;
2874                                         PAD2_poll(0);
2875                                         *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
2876                                         *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
2877                                 } else {
2878                                         PAD2_poll(0);
2879                                         *buf |= PAD2_poll(0) << 24;
2880                                         *buf |= PAD2_poll(0) << 16;
2881                                 }
2882                         } else {
2883                                 u16 data;
2884
2885                                 PAD1_startPoll(1);
2886                                 PAD1_poll(0x42);
2887                                 PAD1_poll(0);
2888                                 data = PAD1_poll(0) << 8;
2889                                 data |= PAD1_poll(0);
2890
2891                                 if (NET_sendPadData(&data, 2) == -1)
2892                                         netError();
2893
2894                                 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
2895                                         netError();
2896                                 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
2897                                         netError();
2898                         }
2899                 }
2900                 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
2901                         psxBios_PADpoll(1);
2902
2903                         if (NET_sendPadData(pad_buf1, i) == -1)
2904                                 netError();
2905
2906                         if (NET_recvPadData(pad_buf1, 1) == -1)
2907                                 netError();
2908                         if (NET_recvPadData(pad_buf2, 2) == -1)
2909                                 netError();
2910                 } else {
2911                         if (pad_buf1) {
2912                                 psxBios_PADpoll(1);
2913                         }
2914
2915                         if (pad_buf2) {
2916                                 psxBios_PADpoll(2);
2917                         }
2918                 }
2919
2920         if (psxHu32(0x1070) & 0x1) { // Vsync
2921                 if (RcEV[3][1].status == EvStACTIVE) {
2922                         softCall(RcEV[3][1].fhandler);
2923 //                      hwWrite32(0x1f801070, ~(1));
2924                 }
2925         }
2926
2927         if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
2928                 int i;
2929
2930                 for (i = 0; i < 3; i++) {
2931                         if (psxHu32(0x1070) & (1 << (i + 4))) {
2932                                 if (RcEV[i][1].status == EvStACTIVE) {
2933                                         softCall(RcEV[i][1].fhandler);
2934                                 }
2935                                 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
2936                         }
2937                 }
2938         }
2939 }
2940
2941 void psxBiosException() {
2942         int i;
2943
2944         switch (psxRegs.CP0.n.Cause & 0x3c) {
2945                 case 0x00: // Interrupt
2946 #ifdef PSXCPU_LOG
2947 //                      PSXCPU_LOG("interrupt\n");
2948 #endif
2949                         SaveRegs();
2950
2951                         sp = psxMu32(0x6c80); // create new stack for interrupt handlers
2952
2953                         biosInterrupt();
2954
2955                         for (i = 0; i < 8; i++) {
2956                                 if (SysIntRP[i]) {
2957                                         u32 *queue = (u32 *)PSXM(SysIntRP[i]);
2958
2959                                         s0 = queue[2];
2960                                         softCall(queue[1]);
2961                                 }
2962                         }
2963
2964                         if (jmp_int != NULL) {
2965                                 int i;
2966
2967                                 psxHwWrite32(0x1f801070, 0xffffffff);
2968
2969                                 ra = jmp_int[0];
2970                                 sp = jmp_int[1];
2971                                 fp = jmp_int[2];
2972                                 for (i = 0; i < 8; i++) // s0-s7
2973                                          psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
2974                                 gp = jmp_int[11];
2975
2976                                 v0 = 1;
2977                                 pc0 = ra;
2978                                 return;
2979                         }
2980                         psxHwWrite16(0x1f801070, 0);
2981                         break;
2982
2983                 case 0x20: // Syscall
2984 #ifdef PSXCPU_LOG
2985                         PSXCPU_LOG("syscall exp %x\n", a0);
2986 #endif
2987                         switch (a0) {
2988                                 case 1: // EnterCritical - disable irq's
2989                                         /* Fixes Medievil 2 not loading up new game, Digimon World not booting up and possibly others */
2990                                         v0 = (psxRegs.CP0.n.Status & 0x404) == 0x404;
2991                                         psxRegs.CP0.n.Status &= ~0x404;
2992                                         break;
2993
2994                                 case 2: // ExitCritical - enable irq's
2995                                         psxRegs.CP0.n.Status |= 0x404;
2996                                         break;
2997                         }
2998                         pc0 = psxRegs.CP0.n.EPC + 4;
2999
3000                         psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3001                                                                   ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3002                         return;
3003
3004                 default:
3005 #ifdef PSXCPU_LOG
3006                         PSXCPU_LOG("unknown bios exception!\n");
3007 #endif
3008                         break;
3009         }
3010
3011         pc0 = psxRegs.CP0.n.EPC;
3012         if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
3013
3014         psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
3015                                                   ((psxRegs.CP0.n.Status & 0x3c) >> 2);
3016 }
3017
3018 #define bfreeze(ptr, size) { \
3019         if (Mode == 1) memcpy(&psxR[base], ptr, size); \
3020         if (Mode == 0) memcpy(ptr, &psxR[base], size); \
3021         base += size; \
3022 }
3023
3024 #define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
3025 #define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
3026
3027 #define bfreezepsxMptr(ptr, type) { \
3028         if (Mode == 1) { \
3029                 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
3030                 else psxRu32ref(base) = 0; \
3031         } else { \
3032                 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
3033                 else (ptr) = NULL; \
3034         } \
3035         base += sizeof(u32); \
3036 }
3037
3038 void psxBiosFreeze(int Mode) {
3039         u32 base = 0x40000;
3040
3041         bfreezepsxMptr(jmp_int, u32);
3042         bfreezepsxMptr(pad_buf, int);
3043         bfreezepsxMptr(pad_buf1, char);
3044         bfreezepsxMptr(pad_buf2, char);
3045         bfreezepsxMptr(heap_addr, u32);
3046         bfreezel(&pad_buf1len);
3047         bfreezel(&pad_buf2len);
3048         bfreezes(regs);
3049         bfreezes(SysIntRP);
3050         bfreezel(&CardState);
3051         bfreezes(Thread);
3052         bfreezel(&CurThread);
3053         bfreezes(FDesc);
3054         bfreezel(&card_active_chan);
3055 }