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