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