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         if (a0 == 0 || a1 == 0)
 398         {
 399                 v0 = 0;
 400                 pc0 = ra;
 401                 return;
 402         }
 403         while (*p1++);
 404         --p1;
 405         while ((*p1++ = *p2++) != '\0');
 406
 407         v0 = a0; pc0 = ra;
 408 }
 409
 410 void psxBios_strncat() { // 0x16
 411         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 412         s32 n = a2;
 413
 414 #ifdef PSXBIOS_LOG
 415         PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2);
 416 #endif
 417
 418         while (*p1++);
 419         --p1;
 420         while ((*p1++ = *p2++) != '\0') {
 421                 if (--n < 0) {
 422                         *--p1 = '\0';
 423                         break;
 424                 }
 425         }
 426
 427         v0 = a0; pc0 = ra;
 428 }
 429
 430 void psxBios_strcmp() { // 0x17
 431         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 432
 433 #ifdef PSXBIOS_LOG
 434         PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1);
 435 #endif
 436
 437         while (*p1 == *p2++) {
 438                 if (*p1++ == '\0') {
 439                         v0 = 0;
 440                         pc0 = ra;
 441                         return;
 442                 }
 443         }
 444
 445         v0 = (*p1 - *--p2);
 446         pc0 = ra;
 447 }
 448
 449 void psxBios_strncmp() { // 0x18
 450         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 451         s32 n = a2;
 452
 453 #ifdef PSXBIOS_LOG
 454         PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2);
 455 #endif
 456
 457         while (--n >= 0 && *p1 == *p2++) {
 458                 if (*p1++ == '\0') {
 459                         v0 = 0;
 460                         pc0 = ra;
 461                         return;
 462                 }
 463         }
 464
 465         v0 = (n < 0 ? 0 : *p1 - *--p2);
 466         pc0 = ra;
 467 }
 468
 469 void psxBios_strcpy() { // 0x19
 470         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 471         while ((*p1++ = *p2++) != '\0');
 472
 473         v0 = a0; pc0 = ra;
 474 }
 475
 476 void psxBios_strncpy() { // 0x1a
 477         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 478         s32 n = a2, i;
 479
 480         for (i = 0; i < n; i++) {
 481                 if ((*p1++ = *p2++) == '\0') {
 482                         while (++i < n) {
 483                                 *p1++ = '\0';
 484                         }
 485                         v0 = a0; pc0 = ra;
 486                         return;
 487                 }
 488         }
 489
 490         v0 = a0; pc0 = ra;
 491 }
 492
 493 void psxBios_strlen() { // 0x1b
 494         char *p = (char *)Ra0;
 495         v0 = 0;
 496         while (*p++) v0++;
 497         pc0 = ra;
 498 }
 499
 500 void psxBios_index() { // 0x1c
 501         char *p = (char *)Ra0;
 502
 503         do {
 504                 if (*p == a1) {
 505                         v0 = a0 + (p - (char *)Ra0);
 506                         pc0 = ra;
 507                         return;
 508                 }
 509         } while (*p++ != '\0');
 510
 511         v0 = 0; pc0 = ra;
 512 }
 513
 514 void psxBios_rindex() { // 0x1d
 515         char *p = (char *)Ra0;
 516
 517         v0 = 0;
 518
 519         do {
 520                 if (*p == a1)
 521                         v0 = a0 + (p - (char *)Ra0);
 522         } while (*p++ != '\0');
 523
 524         pc0 = ra;
 525 }
 526
 527 void psxBios_strchr() { // 0x1e
 528         psxBios_index();
 529 }
 530
 531 void psxBios_strrchr() { // 0x1f
 532         psxBios_rindex();
 533 }
 534
 535 void psxBios_strpbrk() { // 0x20
 536         char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc;
 537
 538         while ((c = *p1++) != '\0') {
 539                 for (scanp = p2; (sc = *scanp++) != '\0';) {
 540                         if (sc == c) {
 541                                 v0 = a0 + (p1 - 1 - (char *)Ra0);
 542                                 pc0 = ra;
 543                                 return;
 544                         }
 545                 }
 546         }
 547
 548         // BUG: return a0 instead of NULL if not found
 549         v0 = a0; pc0 = ra;
 550 }
 551
 552 void psxBios_strspn() { // 0x21
 553         char *p1, *p2;
 554
 555         for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
 556                 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
 557                 if (*p2 == '\0') break;
 558         }
 559
 560         v0 = p1 - (char *)Ra0; pc0 = ra;
 561 }
 562
 563 void psxBios_strcspn() { // 0x22
 564         char *p1, *p2;
 565
 566         for (p1 = (char *)Ra0; *p1 != '\0'; p1++) {
 567                 for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++);
 568                 if (*p2 != '\0') break;
 569         }
 570
 571         v0 = p1 - (char *)Ra0; pc0 = ra;
 572 }
 573
 574 void psxBios_strtok() { // 0x23
 575         char *pcA0 = (char *)Ra0;
 576         char *pcRet = strtok(pcA0, (char *)Ra1);
 577         if (pcRet)
 578                 v0 = a0 + pcRet - pcA0;
 579         else
 580                 v0 = 0;
 581         pc0 = ra;
 582 }
 583
 584 void psxBios_strstr() { // 0x24
 585         char *p = (char *)Ra0, *p1, *p2;
 586
 587         while (*p != '\0') {
 588                 p1 = p;
 589                 p2 = (char *)Ra1;
 590
 591                 while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) {
 592                         p1++; p2++;
 593                 }
 594
 595                 if (*p2 == '\0') {
 596                         v0 = a0 + (p - (char *)Ra0);
 597                         pc0 = ra;
 598                         return;
 599                 }
 600
 601                 p++;
 602         }
 603
 604         v0 = 0; pc0 = ra;
 605 }
 606
 607 void psxBios_toupper() { // 0x25
 608         v0 = (s8)(a0 & 0xff);
 609         if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A';
 610         pc0 = ra;
 611 }
 612
 613 void psxBios_tolower() { // 0x26
 614         v0 = (s8)(a0 & 0xff);
 615         if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A';
 616         pc0 = ra;
 617 }
 618
 619 void psxBios_bcopy() { // 0x27
 620         char *p1 = (char *)Ra1, *p2 = (char *)Ra0;
 621         while ((s32)a2-- > 0) *p1++ = *p2++;
 622
 623         pc0 = ra;
 624 }
 625
 626 void psxBios_bzero() { // 0x28
 627         char *p = (char *)Ra0;
 628         while ((s32)a1-- > 0) *p++ = '\0';
 629
 630         pc0 = ra;
 631 }
 632
 633 void psxBios_bcmp() { // 0x29
 634         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 635
 636         if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; }
 637
 638         while ((s32)a2-- > 0) {
 639                 if (*p1++ != *p2++) {
 640                         v0 = *p1 - *p2; // BUG: compare the NEXT byte
 641                         pc0 = ra;
 642                         return;
 643                 }
 644         }
 645
 646         v0 = 0; pc0 = ra;
 647 }
 648
 649 void psxBios_memcpy() { // 0x2a
 650         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 651         while ((s32)a2-- > 0) *p1++ = *p2++;
 652
 653         v0 = a0; pc0 = ra;
 654 }
 655
 656 void psxBios_memset() { // 0x2b
 657         char *p = (char *)Ra0;
 658         while ((s32)a2-- > 0) *p++ = (char)a1;
 659
 660         a2 = 0;
 661         v0 = a0; pc0 = ra;
 662 }
 663
 664 void psxBios_memmove() { // 0x2c
 665         char *p1 = (char *)Ra0, *p2 = (char *)Ra1;
 666
 667         if (p2 <= p1 && p2 + a2 > p1) {
 668                 a2++; // BUG: copy one more byte here
 669                 p1 += a2;
 670                 p2 += a2;
 671                 while ((s32)a2-- > 0) *--p1 = *--p2;
 672         } else {
 673                 while ((s32)a2-- > 0) *p1++ = *p2++;
 674         }
 675
 676         v0 = a0; pc0 = ra;
 677 }
 678
 679 void psxBios_memcmp() { // 0x2d
 680         psxBios_bcmp();
 681 }
 682
 683 void psxBios_memchr() { // 0x2e
 684         char *p = (char *)Ra0;
 685
 686         while ((s32)a2-- > 0) {
 687                 if (*p++ != (s8)a1) continue;
 688                 v0 = a0 + (p - (char *)Ra0 - 1);
 689                 pc0 = ra;
 690                 return;
 691         }
 692
 693         v0 = 0; pc0 = ra;
 694 }
 695
 696 void psxBios_rand() { // 0x2f
 697         u32 s = psxMu32(0x9010) * 1103515245 + 12345;
 698         v0 = (s >> 16) & 0x7fff;
 699         psxMu32ref(0x9010) = SWAPu32(s);
 700         pc0 = ra;
 701 }
 702
 703 void psxBios_srand() { // 0x30
 704         psxMu32ref(0x9010) = SWAPu32(a0);
 705         pc0 = ra;
 706 }
 707
 708 static u32 qscmpfunc, qswidth;
 709
 710 static inline int qscmp(char *a, char *b) {
 711         u32 sa0 = a0;
 712
 713         a0 = sa0 + (a - (char *)PSXM(sa0));
 714         a1 = sa0 + (b - (char *)PSXM(sa0));
 715
 716         softCall2(qscmpfunc);
 717
 718         a0 = sa0;
 719         return (s32)v0;
 720 }
 721
 722 static inline void qexchange(char *i, char *j) {
 723         char t;
 724         int n = qswidth;
 725
 726         do {
 727                 t = *i;
 728                 *i++ = *j;
 729                 *j++ = t;
 730         } while (--n);
 731 }
 732
 733 static inline void q3exchange(char *i, char *j, char *k) {
 734         char t;
 735         int n = qswidth;
 736
 737         do {
 738                 t = *i;
 739                 *i++ = *k;
 740                 *k++ = *j;
 741                 *j++ = t;
 742         } while (--n);
 743 }
 744
 745 static void qsort_main(char *a, char *l) {
 746         char *i, *j, *lp, *hp;
 747         int c;
 748         unsigned int n;
 749
 750 start:
 751         if ((n = l - a) <= qswidth)
 752                 return;
 753         n = qswidth * (n / (2 * qswidth));
 754         hp = lp = a + n;
 755         i = a;
 756         j = l - qswidth;
 757         while (TRUE) {
 758                 if (i < lp) {
 759                         if ((c = qscmp(i, lp)) == 0) {
 760                                 qexchange(i, lp -= qswidth);
 761                                 continue;
 762                         }
 763                         if (c < 0) {
 764                                 i += qswidth;
 765                                 continue;
 766                         }
 767                 }
 768
 769 loop:
 770                 if (j > hp) {
 771                         if ((c = qscmp(hp, j)) == 0) {
 772                                 qexchange(hp += qswidth, j);
 773                                 goto loop;
 774                         }
 775                         if (c > 0) {
 776                                 if (i == lp) {
 777                                         q3exchange(i, hp += qswidth, j);
 778                                         i = lp += qswidth;
 779                                         goto loop;
 780                                 }
 781                                 qexchange(i, j);
 782                                 j -= qswidth;
 783                                 i += qswidth;
 784                                 continue;
 785                         }
 786                         j -= qswidth;
 787                         goto loop;
 788                 }
 789
 790                 if (i == lp) {
 791                         if (lp - a >= l - hp) {
 792                                 qsort_main(hp + qswidth, l);
 793                                 l = lp;
 794                         } else {
 795                                 qsort_main(a, lp);
 796                                 a = hp + qswidth;
 797                         }
 798                         goto start;
 799                 }
 800
 801                 q3exchange(j, lp -= qswidth, i);
 802                 j = hp -= qswidth;
 803         }
 804 }
 805
 806 void psxBios_qsort() { // 0x31
 807         qswidth = a2;
 808         qscmpfunc = a3;
 809         qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2);
 810
 811         pc0 = ra;
 812 }
 813
 814 void psxBios_malloc() { // 0x33
 815         unsigned int *chunk, *newchunk = NULL;
 816         unsigned int dsize = 0, csize, cstat;
 817         int colflag;
 818 #ifdef PSXBIOS_LOG
 819         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]);
 820 #endif
 821
 822         // scan through heap and combine free chunks of space
 823         chunk = heap_addr;
 824         colflag = 0;
 825         while(chunk < heap_end) {
 826                 // get size and status of actual chunk
 827                 csize = ((u32)*chunk) & 0xfffffffc;
 828                 cstat = ((u32)*chunk) & 1;
 829
 830                 // it's a free chunk
 831                 if(cstat == 1) {
 832                         if(colflag == 0) {
 833                                 newchunk = chunk;
 834                                 dsize = csize;
 835                                 colflag = 1;                    // let's begin a new collection of free memory
 836                         }
 837                         else dsize += (csize+4);        // add the new size including header
 838                 }
 839                 // not a free chunk: did we start a collection ?
 840                 else {
 841                         if(colflag == 1) {                      // collection is over
 842                                 colflag = 0;
 843                                 *newchunk = SWAP32(dsize | 1);
 844                         }
 845                 }
 846
 847                 // next chunk
 848                 chunk = (u32*)((uptr)chunk + csize + 4);
 849         }
 850         // if neccessary free memory on end of heap
 851         if (colflag == 1)
 852                 *newchunk = SWAP32(dsize | 1);
 853
 854         chunk = heap_addr;
 855         csize = ((u32)*chunk) & 0xfffffffc;
 856         cstat = ((u32)*chunk) & 1;
 857         dsize = (a0 + 3) & 0xfffffffc;
 858
 859         // exit on uninitialized heap
 860         if (chunk == NULL) {
 861                 SysPrintf("malloc %x,%x: Uninitialized Heap!\n", v0, a0);
 862                 v0 = 0;
 863                 pc0 = ra;
 864                 return;
 865         }
 866
 867         // search an unused chunk that is big enough until the end of the heap
 868         while ((dsize > csize || cstat == 0) && chunk < heap_end ) {
 869                 chunk = (u32*)((uptr)chunk + csize + 4);
 870                 csize = ((u32)*chunk) & 0xfffffffc;
 871                 cstat = ((u32)*chunk) & 1;
 872         }
 873
 874         // catch out of memory
 875         if(chunk >= heap_end) { SysPrintf("malloc %x,%x: Out of memory error!\n", v0, a0); v0 = 0; pc0 = ra; return; }
 876
 877         // allocate memory
 878         if(dsize == csize) {
 879                 // chunk has same size
 880                 *chunk &= 0xfffffffc;
 881         }
 882         else {
 883                 // split free chunk
 884                 *chunk = SWAP32(dsize);
 885                 newchunk = (u32*)((uptr)chunk + dsize + 4);
 886                 *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1);
 887         }
 888
 889         // return pointer to allocated memory
 890         v0 = ((unsigned long)chunk - (unsigned long)psxM) + 4;
 891         v0|= 0x80000000;
 892         SysPrintf ("malloc %x,%x\n", v0, a0);
 893         pc0 = ra;
 894 }
 895
 896 void psxBios_free() { // 0x34
 897
 898 #ifdef PSXBIOS_LOG
 899         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]);
 900 #endif
 901
 902         SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4));
 903
 904         *(u32*)(Ra0-4) |= 1;    // set chunk to free
 905         pc0 = ra;
 906 }
 907
 908 void psxBios_calloc() { // 0x37
 909         void *pv0;
 910 #ifdef PSXBIOS_LOG
 911         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]);
 912 #endif
 913
 914         a0 = a0 * a1;
 915         psxBios_malloc();
 916         pv0 = Rv0;
 917         if (pv0)
 918                 memset(pv0, 0, a0);
 919 }
 920
 921 void psxBios_realloc() { // 0x38
 922         u32 block = a0;
 923         u32 size = a1;
 924 #ifdef PSXBIOS_LOG
 925         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]);
 926 #endif
 927
 928         a0 = block;
 929         psxBios_free();
 930         a0 = size;
 931         psxBios_malloc();
 932 }
 933
 934
 935 /* InitHeap(void *block , int n) */
 936 void psxBios_InitHeap() { // 0x39
 937         unsigned int size;
 938
 939 #ifdef PSXBIOS_LOG
 940         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]);
 941 #endif
 942
 943         if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff);
 944         else size = a1;
 945
 946         size &= 0xfffffffc;
 947
 948         heap_addr = (u32 *)Ra0;
 949         heap_end = (u32 *)((u8 *)heap_addr + size);
 950         *heap_addr = SWAP32(size | 1);
 951
 952         SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size);
 953
 954         pc0 = ra;
 955 }
 956
 957 void psxBios_getchar() { //0x3b
 958         v0 = getchar(); pc0 = ra;
 959 }
 960
 961 void psxBios_printf() { // 0x3f
 962         char tmp[1024];
 963         char tmp2[1024];
 964         u32 save[4];
 965         char *ptmp = tmp;
 966         int n=1, i=0, j;
 967         void *psp;
 968
 969         psp = PSXM(sp);
 970         if (psp) {
 971                 memcpy(save, psp, 4 * 4);
 972                 psxMu32ref(sp) = SWAP32((u32)a0);
 973                 psxMu32ref(sp + 4) = SWAP32((u32)a1);
 974                 psxMu32ref(sp + 8) = SWAP32((u32)a2);
 975                 psxMu32ref(sp + 12) = SWAP32((u32)a3);
 976         }
 977
 978         while (Ra0[i]) {
 979                 switch (Ra0[i]) {
 980                         case '%':
 981                                 j = 0;
 982                                 tmp2[j++] = '%';
 983 _start:
 984                                 switch (Ra0[++i]) {
 985                                         case '.':
 986                                         case 'l':
 987                                                 tmp2[j++] = Ra0[i]; goto _start;
 988                                         default:
 989                                                 if (Ra0[i] >= '0' && Ra0[i] <= '9') {
 990                                                         tmp2[j++] = Ra0[i];
 991                                                         goto _start;
 992                                                 }
 993                                                 break;
 994                                 }
 995                                 tmp2[j++] = Ra0[i];
 996                                 tmp2[j] = 0;
 997
 998                                 switch (Ra0[i]) {
 999                                         case 'f': case 'F':
1000                                                 ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break;
1001                                         case 'a': case 'A':
1002                                         case 'e': case 'E':
1003                                         case 'g': case 'G':
1004                                                 ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break;
1005                                         case 'p':
1006                                         case 'i': case 'u':
1007                                         case 'd': case 'D':
1008                                         case 'o': case 'O':
1009                                         case 'x': case 'X':
1010                                                 ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break;
1011                                         case 'c':
1012                                                 ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break;
1013                                         case 's':
1014                                                 ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break;
1015                                         case '%':
1016                                                 *ptmp++ = Ra0[i]; break;
1017                                 }
1018                                 i++;
1019                                 break;
1020                         default:
1021                                 *ptmp++ = Ra0[i++];
1022                 }
1023         }
1024         *ptmp = 0;
1025
1026         if (psp)
1027                 memcpy(psp, save, 4 * 4);
1028
1029         SysPrintf("%s", tmp);
1030
1031         pc0 = ra;
1032 }
1033
1034 void psxBios_format() { // 0x41
1035         if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0')
1036         {
1037                 CreateMcd(Config.Mcd1);
1038                 LoadMcd(1, Config.Mcd1);
1039                 v0 = 1;
1040         }
1041         else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0')
1042         {
1043                 CreateMcd(Config.Mcd2);
1044                 LoadMcd(2, Config.Mcd2);
1045                 v0 = 1;
1046         }
1047         else
1048         {
1049                 v0 = 0;
1050         }
1051         pc0 = ra;
1052 }
1053
1054 /*
1055  *      long Load(char *name, struct EXEC *header);
1056  */
1057
1058 void psxBios_Load() { // 0x42
1059         EXE_HEADER eheader;
1060         void *pa1;
1061
1062 #ifdef PSXBIOS_LOG
1063         PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1);
1064 #endif
1065
1066         pa1 = Ra1;
1067         if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) {
1068                 memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC));
1069                 v0 = 1;
1070         } else v0 = 0;
1071
1072         pc0 = ra;
1073 }
1074
1075 /*
1076  *      int Exec(struct EXEC *header , int argc , char **argv);
1077  */
1078
1079 void psxBios_Exec() { // 43
1080         EXEC *header = (EXEC*)Ra0;
1081         u32 tmp;
1082
1083 #ifdef PSXBIOS_LOG
1084         PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2);
1085 #endif
1086
1087         header->_sp = sp;
1088         header->_fp = fp;
1089         header->_sp = sp;
1090         header->_gp = gp;
1091         header->ret = ra;
1092         header->base = s0;
1093
1094         if (header->S_addr != 0) {
1095                 tmp = header->S_addr + header->s_size;
1096                 sp = tmp;
1097                 fp = sp;
1098         }
1099
1100         gp = header->gp0;
1101
1102         s0 = a0;
1103
1104         a0 = a1;
1105         a1 = a2;
1106
1107         ra = 0x8000;
1108         pc0 = header->_pc0;
1109 }
1110
1111 void psxBios_FlushCache() { // 44
1112 #ifdef PSXBIOS_LOG
1113         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]);
1114 #endif
1115
1116         pc0 = ra;
1117 }
1118
1119 void psxBios_GPU_dw() { // 0x46
1120         int size;
1121         s32 *ptr;
1122
1123 #ifdef PSXBIOS_LOG
1124         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]);
1125 #endif
1126
1127         GPU_writeData(0xa0000000);
1128         GPU_writeData((a1<<16)|(a0&0xffff));
1129         GPU_writeData((a3<<16)|(a2&0xffff));
1130         size = (a2*a3+1)/2;
1131         ptr = (s32*)PSXM(Rsp[4]);  //that is correct?
1132         do {
1133                 GPU_writeData(SWAP32(*ptr));
1134                 ptr++;
1135         } while(--size);
1136
1137         pc0 = ra;
1138 }
1139
1140 void psxBios_mem2vram() { // 0x47
1141         int size;
1142
1143         GPU_writeData(0xa0000000);
1144         GPU_writeData((a1<<16)|(a0&0xffff));
1145         GPU_writeData((a3<<16)|(a2&0xffff));
1146         size = (a2*a3+1)/2;
1147         GPU_writeStatus(0x04000002);
1148         psxHwWrite32(0x1f8010f4,0);
1149         psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1150         psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy...
1151         psxHwWrite32(0x1f8010a4,((size/16)<<16)|16);
1152         psxHwWrite32(0x1f8010a8,0x01000201);
1153
1154         pc0 = ra;
1155 }
1156
1157 void psxBios_SendGPU() { // 0x48
1158         GPU_writeStatus(a0);
1159         gpuSyncPluginSR();
1160         pc0 = ra;
1161 }
1162
1163 void psxBios_GPU_cw() { // 0x49
1164         GPU_writeData(a0);
1165         pc0 = ra;
1166 }
1167
1168 void psxBios_GPU_cwb() { // 0x4a
1169         s32 *ptr = (s32*)Ra0;
1170         int size = a1;
1171         while(size--) {
1172                 GPU_writeData(SWAP32(*ptr));
1173                 ptr++;
1174         }
1175
1176         pc0 = ra;
1177 }
1178
1179 void psxBios_GPU_SendPackets() { //4b:
1180         GPU_writeStatus(0x04000002);
1181         psxHwWrite32(0x1f8010f4,0);
1182         psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800);
1183         psxHwWrite32(0x1f8010a0,a0);
1184         psxHwWrite32(0x1f8010a4,0);
1185         psxHwWrite32(0x1f8010a8,0x010000401);
1186         pc0 = ra;
1187 }
1188
1189 void psxBios_sys_a0_4c() { // 0x4c GPU relate
1190         psxHwWrite32(0x1f8010a8,0x00000401);
1191         GPU_writeData(0x0400000);
1192         GPU_writeData(0x0200000);
1193         GPU_writeData(0x0100000);
1194
1195         pc0 = ra;
1196 }
1197
1198 void psxBios_GPU_GetGPUStatus() { // 0x4d
1199         v0 = GPU_readStatus();
1200         pc0 = ra;
1201 }
1202
1203 #undef s_addr
1204
1205 void psxBios_LoadExec() { // 51
1206         EXEC *header = (EXEC*)PSXM(0xf000);
1207         u32 s_addr, s_size;
1208
1209 #ifdef PSXBIOS_LOG
1210         PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2);
1211 #endif
1212         s_addr = a1; s_size = a2;
1213
1214         a1 = 0xf000;
1215         psxBios_Load();
1216
1217         header->S_addr = s_addr;
1218         header->s_size = s_size;
1219
1220         a0 = 0xf000; a1 = 0; a2 = 0;
1221         psxBios_Exec();
1222 }
1223
1224 void psxBios__bu_init() { // 70
1225 #ifdef PSXBIOS_LOG
1226         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]);
1227 #endif
1228
1229         DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1230         DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1231
1232         pc0 = ra;
1233 }
1234
1235 void psxBios__96_init() { // 71
1236 #ifdef PSXBIOS_LOG
1237         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]);
1238 #endif
1239
1240         pc0 = ra;
1241 }
1242
1243 void psxBios__96_remove() { // 72
1244 #ifdef PSXBIOS_LOG
1245         PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]);
1246 #endif
1247
1248         pc0 = ra;
1249 }
1250
1251 void psxBios_SetMem() { // 9f
1252         u32 new = psxHu32(0x1060);
1253
1254 #ifdef PSXBIOS_LOG
1255         PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1);
1256 #endif
1257
1258         switch(a0) {
1259                 case 2:
1260                         psxHu32ref(0x1060) = SWAP32(new);
1261                         psxMu32ref(0x060) = a0;
1262                         SysPrintf("Change effective memory : %d MBytes\n",a0);
1263                         break;
1264
1265                 case 8:
1266                         psxHu32ref(0x1060) = SWAP32(new | 0x300);
1267                         psxMu32ref(0x060) = a0;
1268                         SysPrintf("Change effective memory : %d MBytes\n",a0);
1269
1270                 default:
1271                         SysPrintf("Effective memory must be 2/8 MBytes\n");
1272                 break;
1273         }
1274
1275         pc0 = ra;
1276 }
1277
1278 void psxBios__card_info() { // ab
1279 #ifdef PSXBIOS_LOG
1280         PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
1281 #endif
1282
1283         card_active_chan = a0;
1284
1285 //      DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1286         DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1287
1288         v0 = 1; pc0 = ra;
1289 }
1290
1291 void psxBios__card_load() { // ac
1292 #ifdef PSXBIOS_LOG
1293         PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0);
1294 #endif
1295
1296         card_active_chan = a0;
1297
1298 //      DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1299         DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1300
1301         v0 = 1; pc0 = ra;
1302 }
1303
1304 /* System calls B0 */
1305
1306 void psxBios_SetRCnt() { // 02
1307 #ifdef PSXBIOS_LOG
1308         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]);
1309 #endif
1310
1311         a0&= 0x3;
1312         if (a0 != 3) {
1313                 u32 mode=0;
1314
1315                 psxRcntWtarget(a0, a1);
1316                 if (a2&0x1000) mode|= 0x050; // Interrupt Mode
1317                 if (a2&0x0100) mode|= 0x008; // Count to 0xffff
1318                 if (a2&0x0010) mode|= 0x001; // Timer stop mode
1319                 if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode
1320                 else         { if (a2&0x0001) mode|= 0x100; } // System Clock mode
1321
1322                 psxRcntWmode(a0, mode);
1323         }
1324         pc0 = ra;
1325 }
1326
1327 void psxBios_GetRCnt() { // 03
1328 #ifdef PSXBIOS_LOG
1329         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]);
1330 #endif
1331
1332         a0&= 0x3;
1333         if (a0 != 3) v0 = psxRcntRcount(a0);
1334         else v0 = 0;
1335         pc0 = ra;
1336 }
1337
1338 void psxBios_StartRCnt() { // 04
1339 #ifdef PSXBIOS_LOG
1340         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]);
1341 #endif
1342
1343         a0&= 0x3;
1344         if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4))));
1345         else psxHu32ref(0x1074)|= SWAPu32(0x1);
1346         v0 = 1; pc0 = ra;
1347 }
1348
1349 void psxBios_StopRCnt() { // 05
1350 #ifdef PSXBIOS_LOG
1351         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]);
1352 #endif
1353
1354         a0&= 0x3;
1355         if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4))));
1356         else psxHu32ref(0x1074)&= SWAPu32(~0x1);
1357         pc0 = ra;
1358 }
1359
1360 void psxBios_ResetRCnt() { // 06
1361 #ifdef PSXBIOS_LOG
1362         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]);
1363 #endif
1364
1365         a0&= 0x3;
1366         if (a0 != 3) {
1367                 psxRcntWmode(a0, 0);
1368                 psxRcntWtarget(a0, 0);
1369                 psxRcntWcount(a0, 0);
1370         }
1371         pc0 = ra;
1372 }
1373
1374
1375 /* gets ev for use with Event */
1376 #define GetEv() \
1377         ev = (a0 >> 24) & 0xf; \
1378         if (ev == 0xf) ev = 0x5; \
1379         ev*= 32; \
1380         ev+= a0&0x1f;
1381
1382 /* gets spec for use with Event */
1383 #define GetSpec() \
1384         spec = 0; \
1385         switch (a1) { \
1386                 case 0x0301: spec = 16; break; \
1387                 case 0x0302: spec = 17; break; \
1388                 default: \
1389                         for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \
1390                         break; \
1391         }
1392
1393 void psxBios_DeliverEvent() { // 07
1394         int ev, spec;
1395         int i;
1396
1397         GetEv();
1398         GetSpec();
1399
1400 #ifdef PSXBIOS_LOG
1401         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec);
1402 #endif
1403
1404         DeliverEvent(ev, spec);
1405
1406         pc0 = ra;
1407 }
1408
1409 void psxBios_OpenEvent() { // 08
1410         int ev, spec;
1411         int i;
1412
1413         GetEv();
1414         GetSpec();
1415
1416 #ifdef PSXBIOS_LOG
1417         PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3);
1418 #endif
1419
1420         Event[ev][spec].status = EvStWAIT;
1421         Event[ev][spec].mode = a2;
1422         Event[ev][spec].fhandler = a3;
1423
1424         v0 = ev | (spec << 8);
1425         pc0 = ra;
1426 }
1427
1428 void psxBios_CloseEvent() { // 09
1429         int ev, spec;
1430
1431         ev   = a0 & 0xff;
1432         spec = (a0 >> 8) & 0xff;
1433
1434 #ifdef PSXBIOS_LOG
1435         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec);
1436 #endif
1437
1438         Event[ev][spec].status = EvStUNUSED;
1439
1440         v0 = 1; pc0 = ra;
1441 }
1442
1443 void psxBios_WaitEvent() { // 0a
1444         int ev, spec;
1445
1446         ev   = a0 & 0xff;
1447         spec = (a0 >> 8) & 0xff;
1448
1449 #ifdef PSXBIOS_LOG
1450         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec);
1451 #endif
1452
1453         Event[ev][spec].status = EvStACTIVE;
1454
1455         v0 = 1; pc0 = ra;
1456 }
1457
1458 void psxBios_TestEvent() { // 0b
1459         int ev, spec;
1460
1461         ev   = a0 & 0xff;
1462         spec = (a0 >> 8) & 0xff;
1463
1464         if (Event[ev][spec].status == EvStALREADY) {
1465                 Event[ev][spec].status = EvStACTIVE; v0 = 1;
1466         } else v0 = 0;
1467
1468 #ifdef PSXBIOS_LOG
1469         PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0);
1470 #endif
1471
1472         pc0 = ra;
1473 }
1474
1475 void psxBios_EnableEvent() { // 0c
1476         int ev, spec;
1477
1478         ev   = a0 & 0xff;
1479         spec = (a0 >> 8) & 0xff;
1480
1481 #ifdef PSXBIOS_LOG
1482         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec);
1483 #endif
1484
1485         Event[ev][spec].status = EvStACTIVE;
1486
1487         v0 = 1; pc0 = ra;
1488 }
1489
1490 void psxBios_DisableEvent() { // 0d
1491         int ev, spec;
1492
1493         ev   = a0 & 0xff;
1494         spec = (a0 >> 8) & 0xff;
1495
1496 #ifdef PSXBIOS_LOG
1497         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec);
1498 #endif
1499
1500         Event[ev][spec].status = EvStWAIT;
1501
1502         v0 = 1; pc0 = ra;
1503 }
1504
1505 /*
1506  *      long OpenTh(long (*func)(), unsigned long sp, unsigned long gp);
1507  */
1508
1509 void psxBios_OpenTh() { // 0e
1510         int th;
1511
1512         for (th=1; th<8; th++)
1513                 if (Thread[th].status == 0) break;
1514
1515 #ifdef PSXBIOS_LOG
1516         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th);
1517 #endif
1518
1519         Thread[th].status = 1;
1520         Thread[th].func    = a0;
1521         Thread[th].reg[29] = a1;
1522         Thread[th].reg[28] = a2;
1523
1524         v0 = th; pc0 = ra;
1525 }
1526
1527 /*
1528  *      int CloseTh(long thread);
1529  */
1530
1531 void psxBios_CloseTh() { // 0f
1532         int th = a0 & 0xff;
1533
1534 #ifdef PSXBIOS_LOG
1535         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th);
1536 #endif
1537
1538         if (Thread[th].status == 0) {
1539                 v0 = 0;
1540         } else {
1541                 Thread[th].status = 0;
1542                 v0 = 1;
1543         }
1544
1545         pc0 = ra;
1546 }
1547
1548 /*
1549  *      int ChangeTh(long thread);
1550  */
1551
1552 void psxBios_ChangeTh() { // 10
1553         int th = a0 & 0xff;
1554
1555 #ifdef PSXBIOS_LOG
1556 //      PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th);
1557 #endif
1558
1559         if (Thread[th].status == 0 || CurThread == th) {
1560                 v0 = 0;
1561
1562                 pc0 = ra;
1563         } else {
1564                 v0 = 1;
1565
1566                 if (Thread[CurThread].status == 2) {
1567                         Thread[CurThread].status = 1;
1568                         Thread[CurThread].func = ra;
1569                         memcpy(Thread[CurThread].reg, psxRegs.GPR.r, 32*4);
1570                 }
1571
1572                 memcpy(psxRegs.GPR.r, Thread[th].reg, 32*4);
1573                 pc0 = Thread[th].func;
1574                 Thread[th].status = 2;
1575                 CurThread = th;
1576         }
1577 }
1578
1579 void psxBios_InitPAD() { // 0x12
1580 #ifdef PSXBIOS_LOG
1581         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]);
1582 #endif
1583
1584         pad_buf1 = (char*)Ra0;
1585         pad_buf1len = a1;
1586         pad_buf2 = (char*)Ra2;
1587         pad_buf2len = a3;
1588
1589         v0 = 1; pc0 = ra;
1590 }
1591
1592 void psxBios_StartPAD() { // 13
1593 #ifdef PSXBIOS_LOG
1594         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]);
1595 #endif
1596
1597         psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1));
1598         psxRegs.CP0.n.Status |= 0x401;
1599         pc0 = ra;
1600 }
1601
1602 void psxBios_StopPAD() { // 14
1603 #ifdef PSXBIOS_LOG
1604         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]);
1605 #endif
1606
1607         pad_buf1 = NULL;
1608         pad_buf2 = NULL;
1609         pc0 = ra;
1610 }
1611
1612 void psxBios_PAD_init() { // 15
1613 #ifdef PSXBIOS_LOG
1614         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]);
1615 #endif
1616         if (!(a0 == 0x20000000 || a0 == 0x20000001))
1617         {
1618                 v0 = 0;
1619                 pc0 = ra;
1620                 return;
1621         }
1622         psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1));
1623         pad_buf = (int *)Ra1;
1624         *pad_buf = -1;
1625         psxRegs.CP0.n.Status |= 0x401;
1626         v0 = 2;
1627         pc0 = ra;
1628 }
1629
1630 void psxBios_PAD_dr() { // 16
1631 #ifdef PSXBIOS_LOG
1632         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]);
1633 #endif
1634
1635         v0 = -1; pc0 = ra;
1636 }
1637
1638 void psxBios_ReturnFromException() { // 17
1639         LoadRegs();
1640
1641         pc0 = psxRegs.CP0.n.EPC;
1642         if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4;
1643
1644         psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
1645                                                   ((psxRegs.CP0.n.Status & 0x3c) >> 2);
1646 }
1647
1648 void psxBios_ResetEntryInt() { // 18
1649 #ifdef PSXBIOS_LOG
1650         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]);
1651 #endif
1652
1653         jmp_int = NULL;
1654         pc0 = ra;
1655 }
1656
1657 void psxBios_HookEntryInt() { // 19
1658 #ifdef PSXBIOS_LOG
1659         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]);
1660 #endif
1661
1662         jmp_int = (u32*)Ra0;
1663         pc0 = ra;
1664 }
1665
1666 void psxBios_UnDeliverEvent() { // 0x20
1667         int ev, spec;
1668         int i;
1669
1670         GetEv();
1671         GetSpec();
1672
1673 #ifdef PSXBIOS_LOG
1674         PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec);
1675 #endif
1676
1677         if (Event[ev][spec].status == EvStALREADY &&
1678                 Event[ev][spec].mode == EvMdNOINTR)
1679                 Event[ev][spec].status = EvStACTIVE;
1680
1681         pc0 = ra;
1682 }
1683
1684 #define buopen(mcd) { \
1685         strcpy(FDesc[1 + mcd].name, Ra0+5); \
1686         FDesc[1 + mcd].offset = 0; \
1687         FDesc[1 + mcd].mode   = a1; \
1688  \
1689         for (i=1; i<16; i++) { \
1690                 ptr = Mcd##mcd##Data + 128 * i; \
1691                 if ((*ptr & 0xF0) != 0x50) continue; \
1692                 if (strcmp(FDesc[1 + mcd].name, ptr+0xa)) continue; \
1693                 FDesc[1 + mcd].mcfile = i; \
1694                 SysPrintf("open %s\n", ptr+0xa); \
1695                 v0 = 1 + mcd; \
1696                 break; \
1697         } \
1698         if (a1 & 0x200 && v0 == -1) { /* FCREAT */ \
1699                 for (i=1; i<16; i++) { \
1700                         int j, xor = 0; \
1701  \
1702                         ptr = Mcd##mcd##Data + 128 * i; \
1703                         if ((*ptr & 0xF0) == 0x50) continue; \
1704                         ptr[0] = 0x50 | (u8)(a1 >> 16); \
1705                         ptr[4] = 0x00; \
1706                         ptr[5] = 0x20; \
1707                         ptr[6] = 0x00; \
1708                         ptr[7] = 0x00; \
1709                         ptr[8] = 'B'; \
1710                         ptr[9] = 'I'; \
1711                         strcpy(ptr+0xa, FDesc[1 + mcd].name); \
1712                         for (j=0; j<127; j++) xor^= ptr[j]; \
1713                         ptr[127] = xor; \
1714                         FDesc[1 + mcd].mcfile = i; \
1715                         SysPrintf("openC %s\n", ptr); \
1716                         v0 = 1 + mcd; \
1717                         SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 128); \
1718                         break; \
1719                 } \
1720         } \
1721 }
1722
1723 /*
1724  *      int open(char *name , int mode);
1725  */
1726
1727 void psxBios_open() { // 0x32
1728         int i;
1729         char *ptr;
1730         void *pa0 = Ra0;
1731
1732 #ifdef PSXBIOS_LOG
1733         PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1);
1734 #endif
1735
1736         v0 = -1;
1737
1738         if (pa0) {
1739                 if (!strncmp(pa0, "bu00", 4)) {
1740                         buopen(1);
1741                 }
1742
1743                 if (!strncmp(pa0, "bu10", 4)) {
1744                         buopen(2);
1745                 }
1746         }
1747
1748         pc0 = ra;
1749 }
1750
1751 /*
1752  *      int lseek(int fd , int offset , int whence);
1753  */
1754
1755 void psxBios_lseek() { // 0x33
1756 #ifdef PSXBIOS_LOG
1757         PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2);
1758 #endif
1759
1760         switch (a2) {
1761                 case 0: // SEEK_SET
1762                         FDesc[a0].offset = a1;
1763                         v0 = a1;
1764 //                      DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
1765 //                      DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
1766                         break;
1767
1768                 case 1: // SEEK_CUR
1769                         FDesc[a0].offset+= a1;
1770                         v0 = FDesc[a0].offset;
1771                         break;
1772         }
1773
1774         pc0 = ra;
1775 }
1776
1777 #define buread(Ra1, mcd) { \
1778         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); \
1779         ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1780         memcpy(Ra1, ptr, a2); \
1781         if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1782         else v0 = a2; \
1783         FDesc[1 + mcd].offset += v0; \
1784         DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1785         DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
1786 }
1787
1788 /*
1789  *      int read(int fd , void *buf , int nbytes);
1790  */
1791
1792 void psxBios_read() { // 0x34
1793         char *ptr;
1794         void *pa1 = Ra1;
1795
1796 #ifdef PSXBIOS_LOG
1797         PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2);
1798 #endif
1799
1800         v0 = -1;
1801
1802         if (pa1) {
1803                 switch (a0) {
1804                         case 2: buread(pa1, 1); break;
1805                         case 3: buread(pa1, 2); break;
1806                 }
1807         }
1808
1809         pc0 = ra;
1810 }
1811
1812 #define buwrite(Ra1, mcd) { \
1813         u32 offset =  + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \
1814         SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \
1815         ptr = Mcd##mcd##Data + offset; \
1816         memcpy(ptr, Ra1, a2); \
1817         FDesc[1 + mcd].offset += a2; \
1818         SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, offset, a2); \
1819         if (FDesc[1 + mcd].mode & 0x8000) v0 = 0; \
1820         else v0 = a2; \
1821         DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \
1822         DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \
1823 }
1824
1825 /*
1826  *      int write(int fd , void *buf , int nbytes);
1827  */
1828
1829 void psxBios_write() { // 0x35/0x03
1830         char *ptr;
1831         void *pa1 = Ra1;
1832
1833 #ifdef PSXBIOS_LOG
1834         PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2);
1835 #endif
1836
1837         v0 = -1;
1838         if (!pa1) {
1839                 pc0 = ra;
1840                 return;
1841         }
1842
1843         if (a0 == 1) { // stdout
1844                 char *ptr = pa1;
1845
1846                 v0 = a2;
1847                 while (a2 > 0) {
1848                         SysPrintf("%c", *ptr++); a2--;
1849                 }
1850                 pc0 = ra; return;
1851         }
1852
1853         switch (a0) {
1854                 case 2: buwrite(pa1, 1); break;
1855                 case 3: buwrite(pa1, 2); break;
1856         }
1857
1858         pc0 = ra;
1859 }
1860
1861 /*
1862  *      int close(int fd);
1863  */
1864
1865 void psxBios_close() { // 0x36
1866 #ifdef PSXBIOS_LOG
1867         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0);
1868 #endif
1869
1870         v0 = a0;
1871         pc0 = ra;
1872 }
1873
1874 void psxBios_putchar() { // 3d
1875         SysPrintf("%c", (char)a0);
1876         pc0 = ra;
1877 }
1878
1879 void psxBios_puts() { // 3e/3f
1880         SysPrintf("%s", Ra0);
1881         pc0 = ra;
1882 }
1883
1884 char ffile[64], *pfile;
1885 int nfile;
1886
1887 #define bufile(mcd) { \
1888         while (nfile < 16) { \
1889                 int match=1; \
1890  \
1891                 ptr = Mcd##mcd##Data + 128 * nfile; \
1892                 nfile++; \
1893                 if ((*ptr & 0xF0) != 0x50) continue; \
1894                 ptr+= 0xa; \
1895                 if (pfile[0] == 0) { \
1896                         strncpy(dir->name, ptr, sizeof(dir->name)); \
1897                         dir->name[sizeof(dir->name) - 1] = '\0'; \
1898                 } else for (i=0; i<20; i++) { \
1899                         if (pfile[i] == ptr[i]) { \
1900                                 dir->name[i] = ptr[i]; \
1901                                 if (ptr[i] == 0) break; else continue; } \
1902                         if (pfile[i] == '?') { \
1903                                 dir->name[i] = ptr[i]; continue; } \
1904                         if (pfile[i] == '*') { \
1905                                 strcpy(dir->name+i, ptr+i); break; } \
1906                         match = 0; break; \
1907                 } \
1908                 SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \
1909                 if (match == 0) continue; \
1910                 dir->size = 8192; \
1911                 v0 = _dir; \
1912                 break; \
1913         } \
1914 }
1915
1916 /*
1917  *      struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir);
1918  */
1919
1920 void psxBios_firstfile() { // 42
1921         struct DIRENTRY *dir = (struct DIRENTRY *)Ra1;
1922         void *pa0 = Ra0;
1923         u32 _dir = a1;
1924         char *ptr;
1925         int i;
1926
1927 #ifdef PSXBIOS_LOG
1928         PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0);
1929 #endif
1930
1931         v0 = 0;
1932
1933         if (pa0) {
1934                 strcpy(ffile, pa0);
1935                 pfile = ffile+5;
1936                 nfile = 1;
1937                 if (!strncmp(pa0, "bu00", 4)) {
1938                         bufile(1);
1939                 } else if (!strncmp(pa0, "bu10", 4)) {
1940                         bufile(2);
1941                 }
1942         }
1943
1944         // firstfile() calls _card_read() internally, so deliver it's event
1945         DeliverEvent(0x11, 0x2);
1946
1947         pc0 = ra;
1948 }
1949
1950 /*
1951  *      struct DIRENTRY* nextfile(struct DIRENTRY *dir);
1952  */
1953
1954 void psxBios_nextfile() { // 43
1955         struct DIRENTRY *dir = (struct DIRENTRY *)Ra0;
1956         u32 _dir = a0;
1957         char *ptr;
1958         int i;
1959
1960 #ifdef PSXBIOS_LOG
1961         PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name);
1962 #endif
1963
1964         v0 = 0;
1965
1966         if (!strncmp(ffile, "bu00", 4)) {
1967                 bufile(1);
1968         }
1969
1970         if (!strncmp(ffile, "bu10", 4)) {
1971                 bufile(2);
1972         }
1973
1974         pc0 = ra;
1975 }
1976
1977 #define burename(mcd) { \
1978         for (i=1; i<16; i++) { \
1979                 int namelen, j, xor = 0; \
1980                 ptr = Mcd##mcd##Data + 128 * i; \
1981                 if ((*ptr & 0xF0) != 0x50) continue; \
1982                 if (strcmp(Ra0+5, ptr+0xa)) continue; \
1983                 namelen = strlen(Ra1+5); \
1984                 memcpy(ptr+0xa, Ra1+5, namelen); \
1985                 memset(ptr+0xa+namelen, 0, 0x75-namelen); \
1986                 for (j=0; j<127; j++) xor^= ptr[j]; \
1987                 ptr[127] = xor; \
1988                 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \
1989                 v0 = 1; \
1990                 break; \
1991         } \
1992 }
1993
1994 /*
1995  *      int rename(char *old, char *new);
1996  */
1997
1998 void psxBios_rename() { // 44
1999         void *pa0 = Ra0;
2000         void *pa1 = Ra1;
2001         char *ptr;
2002         int i;
2003
2004 #ifdef PSXBIOS_LOG
2005         PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1);
2006 #endif
2007
2008         v0 = 0;
2009
2010         if (pa0 && pa1) {
2011                 if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) {
2012                         burename(1);
2013                 }
2014
2015                 if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) {
2016                         burename(2);
2017                 }
2018         }
2019
2020         pc0 = ra;
2021 }
2022
2023
2024 #define budelete(mcd) { \
2025         for (i=1; i<16; i++) { \
2026                 ptr = Mcd##mcd##Data + 128 * i; \
2027                 if ((*ptr & 0xF0) != 0x50) continue; \
2028                 if (strcmp(Ra0+5, ptr+0xa)) continue; \
2029                 *ptr = (*ptr & 0xf) | 0xA0; \
2030                 SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \
2031                 SysPrintf("delete %s\n", ptr+0xa); \
2032                 v0 = 1; \
2033                 break; \
2034         } \
2035 }
2036
2037 /*
2038  *      int delete(char *name);
2039  */
2040
2041 void psxBios_delete() { // 45
2042         void *pa0 = Ra0;
2043         char *ptr;
2044         int i;
2045
2046 #ifdef PSXBIOS_LOG
2047         PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0);
2048 #endif
2049
2050         v0 = 0;
2051
2052         if (pa0) {
2053                 if (!strncmp(pa0, "bu00", 4)) {
2054                         budelete(1);
2055                 }
2056
2057                 if (!strncmp(pa0, "bu10", 4)) {
2058                         budelete(2);
2059                 }
2060         }
2061
2062         pc0 = ra;
2063 }
2064
2065 void psxBios_InitCARD() { // 4a
2066 #ifdef PSXBIOS_LOG
2067         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0);
2068 #endif
2069
2070         CardState = 0;
2071
2072         pc0 = ra;
2073 }
2074
2075 void psxBios_StartCARD() { // 4b
2076 #ifdef PSXBIOS_LOG
2077         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]);
2078 #endif
2079
2080         if (CardState == 0) CardState = 1;
2081
2082         pc0 = ra;
2083 }
2084
2085 void psxBios_StopCARD() { // 4c
2086 #ifdef PSXBIOS_LOG
2087         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]);
2088 #endif
2089
2090         if (CardState == 1) CardState = 0;
2091
2092         pc0 = ra;
2093 }
2094
2095 void psxBios__card_write() { // 0x4e
2096         void *pa2 = Ra2;
2097         int port;
2098
2099 #ifdef PSXBIOS_LOG
2100         PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2);
2101 #endif
2102
2103         card_active_chan = a0;
2104         port = a0 >> 4;
2105
2106         if (pa2) {
2107                 if (port == 0) {
2108                         memcpy(Mcd1Data + a1 * 128, pa2, 128);
2109                         SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128);
2110                 } else {
2111                         memcpy(Mcd2Data + a1 * 128, pa2, 128);
2112                         SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128);
2113                 }
2114         }
2115
2116         DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2117 //      DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2118
2119         v0 = 1; pc0 = ra;
2120 }
2121
2122 void psxBios__card_read() { // 0x4f
2123         void *pa2 = Ra2;
2124         int port;
2125
2126 #ifdef PSXBIOS_LOG
2127         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]);
2128 #endif
2129
2130         card_active_chan = a0;
2131         port = a0 >> 4;
2132
2133         if (pa2) {
2134                 if (port == 0) {
2135                         memcpy(pa2, Mcd1Data + a1 * 128, 128);
2136                 } else {
2137                         memcpy(pa2, Mcd2Data + a1 * 128, 128);
2138                 }
2139         }
2140
2141         DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
2142 //      DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
2143
2144         v0 = 1; pc0 = ra;
2145 }
2146
2147 void psxBios__new_card() { // 0x50
2148 #ifdef PSXBIOS_LOG
2149         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]);
2150 #endif
2151
2152         pc0 = ra;
2153 }
2154
2155 void psxBios_Krom2RawAdd() { // 0x51
2156         int i = 0;
2157
2158         const u32 table_8140[][2] = {
2159                 {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8},
2160                 {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a},
2161                 {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c},
2162                 {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266},
2163                 {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e},
2164                 {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a},
2165                 {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c},
2166                 {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca},
2167                 {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8},
2168                 {0xffff, 0}
2169         };
2170
2171         const u32 table_889f[][2] = {
2172                 {0x889f, 0x3d68},  {0x8900, 0x40ec},  {0x897f, 0x4fb0},  {0x8a00, 0x56f4},
2173                 {0x8a7f, 0x65b8},  {0x8b00, 0x6cfc},  {0x8b7f, 0x7bc0},  {0x8c00, 0x8304},
2174                 {0x8c7f, 0x91c8},  {0x8d00, 0x990c},  {0x8d7f, 0xa7d0},  {0x8e00, 0xaf14},
2175                 {0x8e7f, 0xbdd8},  {0x8f00, 0xc51c},  {0x8f7f, 0xd3e0},  {0x9000, 0xdb24},
2176                 {0x907f, 0xe9e8},  {0x9100, 0xf12c},  {0x917f, 0xfff0},  {0x9200, 0x10734},
2177                 {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344},
2178                 {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54},
2179                 {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64},
2180                 {0xffff, 0}
2181         };
2182
2183         if (a0 >= 0x8140 && a0 <= 0x84be) {
2184                 while (table_8140[i][0] <= a0) i++;
2185                 a0 -= table_8140[i - 1][0];
2186                 v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]);
2187         } else if (a0 >= 0x889f && a0 <= 0x9872) {
2188                 while (table_889f[i][0] <= a0) i++;
2189                 a0 -= table_889f[i - 1][0];
2190                 v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]);
2191         } else {
2192                 v0 = 0xffffffff;
2193         }
2194
2195         pc0 = ra;
2196 }
2197
2198 void psxBios_GetC0Table() { // 56
2199 #ifdef PSXBIOS_LOG
2200         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]);
2201 #endif
2202
2203         v0 = 0x674; pc0 = ra;
2204 }
2205
2206 void psxBios_GetB0Table() { // 57
2207 #ifdef PSXBIOS_LOG
2208         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]);
2209 #endif
2210
2211         v0 = 0x874; pc0 = ra;
2212 }
2213
2214 void psxBios__card_chan() { // 0x58
2215 #ifdef PSXBIOS_LOG
2216         PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]);
2217 #endif
2218
2219         v0 = card_active_chan;
2220         pc0 = ra;
2221 }
2222
2223 void psxBios_ChangeClearPad() { // 5b
2224 #ifdef PSXBIOS_LOG
2225         PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0);
2226 #endif
2227
2228         pc0 = ra;
2229 }
2230
2231 /* System calls C0 */
2232
2233 /*
2234  * int SysEnqIntRP(int index , long *queue);
2235  */
2236
2237 void psxBios_SysEnqIntRP() { // 02
2238 #ifdef PSXBIOS_LOG
2239         PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0);
2240 #endif
2241
2242         SysIntRP[a0] = a1;
2243
2244         v0 = 0; pc0 = ra;
2245 }
2246
2247 /*
2248  * int SysDeqIntRP(int index , long *queue);
2249  */
2250
2251 void psxBios_SysDeqIntRP() { // 03
2252 #ifdef PSXBIOS_LOG
2253         PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0);
2254 #endif
2255
2256         SysIntRP[a0] = 0;
2257
2258         v0 = 0; pc0 = ra;
2259 }
2260
2261 void psxBios_ChangeClearRCnt() { // 0a
2262         u32 *ptr;
2263
2264 #ifdef PSXBIOS_LOG
2265         PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1);
2266 #endif
2267
2268         ptr = (u32*)PSXM((a0 << 2) + 0x8600);
2269         v0 = *ptr;
2270         *ptr = a1;
2271
2272 //      psxRegs.CP0.n.Status|= 0x404;
2273         pc0 = ra;
2274 }
2275
2276 void psxBios_dummy() {
2277 #ifdef PSXBIOS_LOG
2278         PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1);
2279 #endif
2280         pc0 = ra;
2281 }
2282
2283 void (*biosA0[256])();
2284 void (*biosB0[256])();
2285 void (*biosC0[256])();
2286
2287 #include "sjisfont.h"
2288
2289 void psxBiosInit() {
2290         u32 base, size;
2291         u32 *ptr;
2292         int i;
2293         uLongf len;
2294
2295         for(i = 0; i < 256; i++) {
2296                 biosA0[i] = NULL;
2297                 biosB0[i] = NULL;
2298                 biosC0[i] = NULL;
2299         }
2300         biosA0[0x3e] = psxBios_puts;
2301         biosA0[0x3f] = psxBios_printf;
2302
2303         biosB0[0x3d] = psxBios_putchar;
2304         biosB0[0x3f] = psxBios_puts;
2305
2306         if (!Config.HLE) return;
2307
2308         for(i = 0; i < 256; i++) {
2309                 if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy;
2310                 if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy;
2311                 if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy;
2312         }
2313
2314         biosA0[0x00] = psxBios_open;
2315         biosA0[0x01] = psxBios_lseek;
2316         biosA0[0x02] = psxBios_read;
2317         biosA0[0x03] = psxBios_write;
2318         biosA0[0x04] = psxBios_close;
2319         //biosA0[0x05] = psxBios_ioctl;
2320         //biosA0[0x06] = psxBios_exit;
2321         //biosA0[0x07] = psxBios_sys_a0_07;
2322         //biosA0[0x08] = psxBios_getc;
2323         //biosA0[0x09] = psxBios_putc;
2324         //biosA0[0x0a] = psxBios_todigit;
2325         //biosA0[0x0b] = psxBios_atof;
2326         //biosA0[0x0c] = psxBios_strtoul;
2327         //biosA0[0x0d] = psxBios_strtol;
2328         biosA0[0x0e] = psxBios_abs;
2329         biosA0[0x0f] = psxBios_labs;
2330         biosA0[0x10] = psxBios_atoi;
2331         biosA0[0x11] = psxBios_atol;
2332         //biosA0[0x12] = psxBios_atob;
2333         biosA0[0x13] = psxBios_setjmp;
2334         biosA0[0x14] = psxBios_longjmp;
2335         biosA0[0x15] = psxBios_strcat;
2336         biosA0[0x16] = psxBios_strncat;
2337         biosA0[0x17] = psxBios_strcmp;
2338         biosA0[0x18] = psxBios_strncmp;
2339         biosA0[0x19] = psxBios_strcpy;
2340         biosA0[0x1a] = psxBios_strncpy;
2341         biosA0[0x1b] = psxBios_strlen;
2342         biosA0[0x1c] = psxBios_index;
2343         biosA0[0x1d] = psxBios_rindex;
2344         biosA0[0x1e] = psxBios_strchr;
2345         biosA0[0x1f] = psxBios_strrchr;
2346         biosA0[0x20] = psxBios_strpbrk;
2347         biosA0[0x21] = psxBios_strspn;
2348         biosA0[0x22] = psxBios_strcspn;
2349         biosA0[0x23] = psxBios_strtok;
2350         biosA0[0x24] = psxBios_strstr;
2351         biosA0[0x25] = psxBios_toupper;
2352         biosA0[0x26] = psxBios_tolower;
2353         biosA0[0x27] = psxBios_bcopy;
2354         biosA0[0x28] = psxBios_bzero;
2355         biosA0[0x29] = psxBios_bcmp;
2356         biosA0[0x2a] = psxBios_memcpy;
2357         biosA0[0x2b] = psxBios_memset;
2358         biosA0[0x2c] = psxBios_memmove;
2359         biosA0[0x2d] = psxBios_memcmp;
2360         biosA0[0x2e] = psxBios_memchr;
2361         biosA0[0x2f] = psxBios_rand;
2362         biosA0[0x30] = psxBios_srand;
2363         biosA0[0x31] = psxBios_qsort;
2364         //biosA0[0x32] = psxBios_strtod;
2365         biosA0[0x33] = psxBios_malloc;
2366         biosA0[0x34] = psxBios_free;
2367         //biosA0[0x35] = psxBios_lsearch;
2368         //biosA0[0x36] = psxBios_bsearch;
2369         biosA0[0x37] = psxBios_calloc;
2370         biosA0[0x38] = psxBios_realloc;
2371         biosA0[0x39] = psxBios_InitHeap;
2372         //biosA0[0x3a] = psxBios__exit;
2373         biosA0[0x3b] = psxBios_getchar;
2374         biosA0[0x3c] = psxBios_putchar;
2375         //biosA0[0x3d] = psxBios_gets;
2376         //biosA0[0x40] = psxBios_sys_a0_40;
2377         //biosA0[0x41] = psxBios_LoadTest;
2378         biosA0[0x42] = psxBios_Load;
2379         biosA0[0x43] = psxBios_Exec;
2380         biosA0[0x44] = psxBios_FlushCache;
2381         //biosA0[0x45] = psxBios_InstallInterruptHandler;
2382         biosA0[0x46] = psxBios_GPU_dw;
2383         biosA0[0x47] = psxBios_mem2vram;
2384         biosA0[0x48] = psxBios_SendGPU;
2385         biosA0[0x49] = psxBios_GPU_cw;
2386         biosA0[0x4a] = psxBios_GPU_cwb;
2387         biosA0[0x4b] = psxBios_GPU_SendPackets;
2388         biosA0[0x4c] = psxBios_sys_a0_4c;
2389         biosA0[0x4d] = psxBios_GPU_GetGPUStatus;
2390         //biosA0[0x4e] = psxBios_GPU_sync;
2391         //biosA0[0x4f] = psxBios_sys_a0_4f;
2392         //biosA0[0x50] = psxBios_sys_a0_50;
2393         biosA0[0x51] = psxBios_LoadExec;
2394         //biosA0[0x52] = psxBios_GetSysSp;
2395         //biosA0[0x53] = psxBios_sys_a0_53;
2396         //biosA0[0x54] = psxBios__96_init_a54;
2397         //biosA0[0x55] = psxBios__bu_init_a55;
2398         //biosA0[0x56] = psxBios__96_remove_a56;
2399         //biosA0[0x57] = psxBios_sys_a0_57;
2400         //biosA0[0x58] = psxBios_sys_a0_58;
2401         //biosA0[0x59] = psxBios_sys_a0_59;
2402         //biosA0[0x5a] = psxBios_sys_a0_5a;
2403         //biosA0[0x5b] = psxBios_dev_tty_init;
2404         //biosA0[0x5c] = psxBios_dev_tty_open;
2405         //biosA0[0x5d] = psxBios_sys_a0_5d;
2406         //biosA0[0x5e] = psxBios_dev_tty_ioctl;
2407         //biosA0[0x5f] = psxBios_dev_cd_open;
2408         //biosA0[0x60] = psxBios_dev_cd_read;
2409         //biosA0[0x61] = psxBios_dev_cd_close;
2410         //biosA0[0x62] = psxBios_dev_cd_firstfile;
2411         //biosA0[0x63] = psxBios_dev_cd_nextfile;
2412         //biosA0[0x64] = psxBios_dev_cd_chdir;
2413         //biosA0[0x65] = psxBios_dev_card_open;
2414         //biosA0[0x66] = psxBios_dev_card_read;
2415         //biosA0[0x67] = psxBios_dev_card_write;
2416         //biosA0[0x68] = psxBios_dev_card_close;
2417         //biosA0[0x69] = psxBios_dev_card_firstfile;
2418         //biosA0[0x6a] = psxBios_dev_card_nextfile;
2419         //biosA0[0x6b] = psxBios_dev_card_erase;
2420         //biosA0[0x6c] = psxBios_dev_card_undelete;
2421         //biosA0[0x6d] = psxBios_dev_card_format;
2422         //biosA0[0x6e] = psxBios_dev_card_rename;
2423         //biosA0[0x6f] = psxBios_dev_card_6f;
2424         biosA0[0x70] = psxBios__bu_init;
2425         biosA0[0x71] = psxBios__96_init;
2426         biosA0[0x72] = psxBios__96_remove;
2427         //biosA0[0x73] = psxBios_sys_a0_73;
2428         //biosA0[0x74] = psxBios_sys_a0_74;
2429         //biosA0[0x75] = psxBios_sys_a0_75;
2430         //biosA0[0x76] = psxBios_sys_a0_76;
2431         //biosA0[0x77] = psxBios_sys_a0_77;
2432         //biosA0[0x78] = psxBios__96_CdSeekL;
2433         //biosA0[0x79] = psxBios_sys_a0_79;
2434         //biosA0[0x7a] = psxBios_sys_a0_7a;
2435         //biosA0[0x7b] = psxBios_sys_a0_7b;
2436         //biosA0[0x7c] = psxBios__96_CdGetStatus;
2437         //biosA0[0x7d] = psxBios_sys_a0_7d;
2438         //biosA0[0x7e] = psxBios__96_CdRead;
2439         //biosA0[0x7f] = psxBios_sys_a0_7f;
2440         //biosA0[0x80] = psxBios_sys_a0_80;
2441         //biosA0[0x81] = psxBios_sys_a0_81;
2442         //biosA0[0x82] = psxBios_sys_a0_82;
2443         //biosA0[0x83] = psxBios_sys_a0_83;
2444         //biosA0[0x84] = psxBios_sys_a0_84;
2445         //biosA0[0x85] = psxBios__96_CdStop;
2446         //biosA0[0x86] = psxBios_sys_a0_86;
2447         //biosA0[0x87] = psxBios_sys_a0_87;
2448         //biosA0[0x88] = psxBios_sys_a0_88;
2449         //biosA0[0x89] = psxBios_sys_a0_89;
2450         //biosA0[0x8a] = psxBios_sys_a0_8a;
2451         //biosA0[0x8b] = psxBios_sys_a0_8b;
2452         //biosA0[0x8c] = psxBios_sys_a0_8c;
2453         //biosA0[0x8d] = psxBios_sys_a0_8d;
2454         //biosA0[0x8e] = psxBios_sys_a0_8e;
2455         //biosA0[0x8f] = psxBios_sys_a0_8f;
2456         //biosA0[0x90] = psxBios_sys_a0_90;
2457         //biosA0[0x91] = psxBios_sys_a0_91;
2458         //biosA0[0x92] = psxBios_sys_a0_92;
2459         //biosA0[0x93] = psxBios_sys_a0_93;
2460         //biosA0[0x94] = psxBios_sys_a0_94;
2461         //biosA0[0x95] = psxBios_sys_a0_95;
2462         //biosA0[0x96] = psxBios_AddCDROMDevice;
2463         //biosA0[0x97] = psxBios_AddMemCardDevide;
2464         //biosA0[0x98] = psxBios_DisableKernelIORedirection;
2465         //biosA0[0x99] = psxBios_EnableKernelIORedirection;
2466         //biosA0[0x9a] = psxBios_sys_a0_9a;
2467         //biosA0[0x9b] = psxBios_sys_a0_9b;
2468         //biosA0[0x9c] = psxBios_SetConf;
2469         //biosA0[0x9d] = psxBios_GetConf;
2470         //biosA0[0x9e] = psxBios_sys_a0_9e;
2471         biosA0[0x9f] = psxBios_SetMem;
2472         //biosA0[0xa0] = psxBios__boot;
2473         //biosA0[0xa1] = psxBios_SystemError;
2474         //biosA0[0xa2] = psxBios_EnqueueCdIntr;
2475         //biosA0[0xa3] = psxBios_DequeueCdIntr;
2476         //biosA0[0xa4] = psxBios_sys_a0_a4;
2477         //biosA0[0xa5] = psxBios_ReadSector;
2478         //biosA0[0xa6] = psxBios_get_cd_status;
2479         //biosA0[0xa7] = psxBios_bufs_cb_0;
2480         //biosA0[0xa8] = psxBios_bufs_cb_1;
2481         //biosA0[0xa9] = psxBios_bufs_cb_2;
2482         //biosA0[0xaa] = psxBios_bufs_cb_3;
2483         biosA0[0xab] = psxBios__card_info;
2484         biosA0[0xac] = psxBios__card_load;
2485         //biosA0[0axd] = psxBios__card_auto;
2486         //biosA0[0xae] = psxBios_bufs_cd_4;
2487         //biosA0[0xaf] = psxBios_sys_a0_af;
2488         //biosA0[0xb0] = psxBios_sys_a0_b0;
2489         //biosA0[0xb1] = psxBios_sys_a0_b1;
2490         //biosA0[0xb2] = psxBios_do_a_long_jmp
2491         //biosA0[0xb3] = psxBios_sys_a0_b3;
2492         //biosA0[0xb4] = psxBios_sub_function;
2493 //*******************B0 CALLS****************************
2494         //biosB0[0x00] = psxBios_SysMalloc;
2495         //biosB0[0x01] = psxBios_sys_b0_01;
2496         biosB0[0x02] = psxBios_SetRCnt;
2497         biosB0[0x03] = psxBios_GetRCnt;
2498         biosB0[0x04] = psxBios_StartRCnt;
2499         biosB0[0x05] = psxBios_StopRCnt;
2500         biosB0[0x06] = psxBios_ResetRCnt;
2501         biosB0[0x07] = psxBios_DeliverEvent;
2502         biosB0[0x08] = psxBios_OpenEvent;
2503         biosB0[0x09] = psxBios_CloseEvent;
2504         biosB0[0x0a] = psxBios_WaitEvent;
2505         biosB0[0x0b] = psxBios_TestEvent;
2506         biosB0[0x0c] = psxBios_EnableEvent;
2507         biosB0[0x0d] = psxBios_DisableEvent;
2508         biosB0[0x0e] = psxBios_OpenTh;
2509         biosB0[0x0f] = psxBios_CloseTh;
2510         biosB0[0x10] = psxBios_ChangeTh;
2511         //biosB0[0x11] = psxBios_psxBios_b0_11;
2512         biosB0[0x12] = psxBios_InitPAD;
2513         biosB0[0x13] = psxBios_StartPAD;
2514         biosB0[0x14] = psxBios_StopPAD;
2515         biosB0[0x15] = psxBios_PAD_init;
2516         biosB0[0x16] = psxBios_PAD_dr;
2517         biosB0[0x17] = psxBios_ReturnFromException;
2518         biosB0[0x18] = psxBios_ResetEntryInt;
2519         biosB0[0x19] = psxBios_HookEntryInt;
2520         //biosB0[0x1a] = psxBios_sys_b0_1a;
2521         //biosB0[0x1b] = psxBios_sys_b0_1b;
2522         //biosB0[0x1c] = psxBios_sys_b0_1c;
2523         //biosB0[0x1d] = psxBios_sys_b0_1d;
2524         //biosB0[0x1e] = psxBios_sys_b0_1e;
2525         //biosB0[0x1f] = psxBios_sys_b0_1f;
2526         biosB0[0x20] = psxBios_UnDeliverEvent;
2527         //biosB0[0x21] = psxBios_sys_b0_21;
2528         //biosB0[0x22] = psxBios_sys_b0_22;
2529         //biosB0[0x23] = psxBios_sys_b0_23;
2530         //biosB0[0x24] = psxBios_sys_b0_24;
2531         //biosB0[0x25] = psxBios_sys_b0_25;
2532         //biosB0[0x26] = psxBios_sys_b0_26;
2533         //biosB0[0x27] = psxBios_sys_b0_27;
2534         //biosB0[0x28] = psxBios_sys_b0_28;
2535         //biosB0[0x29] = psxBios_sys_b0_29;
2536         //biosB0[0x2a] = psxBios_sys_b0_2a;
2537         //biosB0[0x2b] = psxBios_sys_b0_2b;
2538         //biosB0[0x2c] = psxBios_sys_b0_2c;
2539         //biosB0[0x2d] = psxBios_sys_b0_2d;
2540         //biosB0[0x2e] = psxBios_sys_b0_2e;
2541         //biosB0[0x2f] = psxBios_sys_b0_2f;
2542         //biosB0[0x30] = psxBios_sys_b0_30;
2543         //biosB0[0x31] = psxBios_sys_b0_31;
2544         biosB0[0x32] = psxBios_open;
2545         biosB0[0x33] = psxBios_lseek;
2546         biosB0[0x34] = psxBios_read;
2547         biosB0[0x35] = psxBios_write;
2548         biosB0[0x36] = psxBios_close;
2549         //biosB0[0x37] = psxBios_ioctl;
2550         //biosB0[0x38] = psxBios_exit;
2551         //biosB0[0x39] = psxBios_sys_b0_39;
2552         //biosB0[0x3a] = psxBios_getc;
2553         //biosB0[0x3b] = psxBios_putc;
2554         biosB0[0x3c] = psxBios_getchar;
2555         //biosB0[0x3e] = psxBios_gets;
2556         //biosB0[0x40] = psxBios_cd;
2557         biosB0[0x41] = psxBios_format;
2558         biosB0[0x42] = psxBios_firstfile;
2559         biosB0[0x43] = psxBios_nextfile;
2560         biosB0[0x44] = psxBios_rename;
2561         biosB0[0x45] = psxBios_delete;
2562         //biosB0[0x46] = psxBios_undelete;
2563         //biosB0[0x47] = psxBios_AddDevice;
2564         //biosB0[0x48] = psxBios_RemoteDevice;
2565         //biosB0[0x49] = psxBios_PrintInstalledDevices;
2566         biosB0[0x4a] = psxBios_InitCARD;
2567         biosB0[0x4b] = psxBios_StartCARD;
2568         biosB0[0x4c] = psxBios_StopCARD;
2569         //biosB0[0x4d] = psxBios_sys_b0_4d;
2570         biosB0[0x4e] = psxBios__card_write;
2571         biosB0[0x4f] = psxBios__card_read;
2572         biosB0[0x50] = psxBios__new_card;
2573         biosB0[0x51] = psxBios_Krom2RawAdd;
2574         //biosB0[0x52] = psxBios_sys_b0_52;
2575         //biosB0[0x53] = psxBios_sys_b0_53;
2576         //biosB0[0x54] = psxBios__get_errno;
2577         //biosB0[0x55] = psxBios__get_error;
2578         biosB0[0x56] = psxBios_GetC0Table;
2579         biosB0[0x57] = psxBios_GetB0Table;
2580         biosB0[0x58] = psxBios__card_chan;
2581         //biosB0[0x59] = psxBios_sys_b0_59;
2582         //biosB0[0x5a] = psxBios_sys_b0_5a;
2583         biosB0[0x5b] = psxBios_ChangeClearPad;
2584         //biosB0[0x5c] = psxBios__card_status;
2585         //biosB0[0x5d] = psxBios__card_wait;
2586 //*******************C0 CALLS****************************
2587         //biosC0[0x00] = psxBios_InitRCnt;
2588         //biosC0[0x01] = psxBios_InitException;
2589         biosC0[0x02] = psxBios_SysEnqIntRP;
2590         biosC0[0x03] = psxBios_SysDeqIntRP;
2591         //biosC0[0x04] = psxBios_get_free_EvCB_slot;
2592         //biosC0[0x05] = psxBios_get_free_TCB_slot;
2593         //biosC0[0x06] = psxBios_ExceptionHandler;
2594         //biosC0[0x07] = psxBios_InstallExeptionHandler;
2595         //biosC0[0x08] = psxBios_SysInitMemory;
2596         //biosC0[0x09] = psxBios_SysInitKMem;
2597         biosC0[0x0a] = psxBios_ChangeClearRCnt;
2598         //biosC0[0x0b] = psxBios_SystemError;
2599         //biosC0[0x0c] = psxBios_InitDefInt;
2600         //biosC0[0x0d] = psxBios_sys_c0_0d;
2601         //biosC0[0x0e] = psxBios_sys_c0_0e;
2602         //biosC0[0x0f] = psxBios_sys_c0_0f;
2603         //biosC0[0x10] = psxBios_sys_c0_10;
2604         //biosC0[0x11] = psxBios_sys_c0_11;
2605         //biosC0[0x12] = psxBios_InstallDevices;
2606         //biosC0[0x13] = psxBios_FlushStfInOutPut;
2607         //biosC0[0x14] = psxBios_sys_c0_14;
2608         //biosC0[0x15] = psxBios__cdevinput;
2609         //biosC0[0x16] = psxBios__cdevscan;
2610         //biosC0[0x17] = psxBios__circgetc;
2611         //biosC0[0x18] = psxBios__circputc;
2612         //biosC0[0x19] = psxBios_ioabort;
2613         //biosC0[0x1a] = psxBios_sys_c0_1a
2614         //biosC0[0x1b] = psxBios_KernelRedirect;
2615         //biosC0[0x1c] = psxBios_PatchAOTable;
2616 //************** THE END ***************************************
2617 /**/
2618         base = 0x1000;
2619         size = sizeof(EvCB) * 32;
2620         Event = (void *)&psxR[base]; base += size * 6;
2621         memset(Event, 0, size * 6);
2622         HwEV = Event;
2623         EvEV = Event + 32;
2624         RcEV = Event + 32 * 2;
2625         UeEV = Event + 32 * 3;
2626         SwEV = Event + 32 * 4;
2627         ThEV = Event + 32 * 5;
2628
2629         ptr = (u32 *)&psxM[0x0874]; // b0 table
2630         ptr[0] = SWAPu32(0x4c54 - 0x884);
2631
2632         ptr = (u32 *)&psxM[0x0674]; // c0 table
2633         ptr[6] = SWAPu32(0xc80);
2634
2635         memset(SysIntRP, 0, sizeof(SysIntRP));
2636         memset(Thread, 0, sizeof(Thread));
2637         Thread[0].status = 2; // main thread
2638
2639         jmp_int = NULL;
2640         pad_buf = NULL;
2641         pad_buf1 = NULL;
2642         pad_buf2 = NULL;
2643         pad_buf1len = pad_buf2len = 0;
2644         heap_addr = NULL;
2645         heap_end = NULL;
2646         CardState = -1;
2647         CurThread = 0;
2648         memset(FDesc, 0, sizeof(FDesc));
2649
2650         psxMu32ref(0x0150) = SWAPu32(0x160);
2651         psxMu32ref(0x0154) = SWAPu32(0x320);
2652         psxMu32ref(0x0160) = SWAPu32(0x248);
2653         strcpy((char *)&psxM[0x248], "bu");
2654 /*      psxMu32ref(0x0ca8) = SWAPu32(0x1f410004);
2655         psxMu32ref(0x0cf0) = SWAPu32(0x3c020000);
2656         psxMu32ref(0x0cf4) = SWAPu32(0x2442641c);
2657         psxMu32ref(0x09e0) = SWAPu32(0x43d0);
2658         psxMu32ref(0x4d98) = SWAPu32(0x946f000a);
2659 */
2660         // opcode HLE
2661         psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4);
2662         psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0);
2663         psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1);
2664         psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2);
2665         psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3);
2666         psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0);
2667         psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5);
2668         psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0);
2669         psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0);
2670         psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0);
2671
2672         // initial stack pointer for BIOS interrupt
2673         psxMu32ref(0x6c80) = SWAPu32(0x000085c8);
2674
2675         // initial RNG seed
2676         psxMu32ref(0x9010) = SWAPu32(0xac20cc00);
2677
2678         // fonts
2679         len = 0x80000 - 0x66000;
2680         uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140));
2681         len = 0x80000 - 0x69d68;
2682         uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f));
2683
2684         // memory size 2 MB
2685         psxHu32ref(0x1060) = SWAPu32(0x00000b88);
2686
2687         hleSoftCall = FALSE;
2688 }
2689
2690 void psxBiosShutdown() {
2691 }
2692
2693 #define psxBios_PADpoll(pad) { \
2694         PAD##pad##_startPoll(pad); \
2695         pad_buf##pad[0] = 0; \
2696         pad_buf##pad[1] = PAD##pad##_poll(0x42); \
2697         if (!(pad_buf##pad[1] & 0x0f)) { \
2698                 bufcount = 32; \
2699         } else { \
2700                 bufcount = (pad_buf##pad[1] & 0x0f) * 2; \
2701         } \
2702         PAD##pad##_poll(0); \
2703         i = 2; \
2704         while (bufcount--) { \
2705                 pad_buf##pad[i++] = PAD##pad##_poll(0); \
2706         } \
2707 }
2708
2709 void biosInterrupt() {
2710         int i, bufcount;
2711
2712 //      if (psxHu32(0x1070) & 0x1) { // Vsync
2713                 if (pad_buf != NULL) {
2714                         u32 *buf = (u32*)pad_buf;
2715
2716                         if (!Config.UseNet) {
2717                                 PAD1_startPoll(1);
2718                                 if (PAD1_poll(0x42) == 0x23) {
2719                                         PAD1_poll(0);
2720                                         *buf = PAD1_poll(0) << 8;
2721                                         *buf |= PAD1_poll(0);
2722                                         PAD1_poll(0);
2723                                         *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0);
2724                                         *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0);
2725                                 } else {
2726                                         PAD1_poll(0);
2727                                         *buf = PAD1_poll(0) << 8;
2728                                         *buf|= PAD1_poll(0);
2729                                 }
2730
2731                                 PAD2_startPoll(2);
2732                                 if (PAD2_poll(0x42) == 0x23) {
2733                                         PAD2_poll(0);
2734                                         *buf |= PAD2_poll(0) << 24;
2735                                         *buf |= PAD2_poll(0) << 16;
2736                                         PAD2_poll(0);
2737                                         *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0);
2738                                         *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0);
2739                                 } else {
2740                                         PAD2_poll(0);
2741                                         *buf |= PAD2_poll(0) << 24;
2742                                         *buf |= PAD2_poll(0) << 16;
2743                                 }
2744                         } else {
2745                                 u16 data;
2746
2747                                 PAD1_startPoll(1);
2748                                 PAD1_poll(0x42);
2749                                 PAD1_poll(0);
2750                                 data = PAD1_poll(0) << 8;
2751                                 data |= PAD1_poll(0);
2752
2753                                 if (NET_sendPadData(&data, 2) == -1)
2754                                         netError();
2755
2756                                 if (NET_recvPadData(&((u16*)buf)[0], 1) == -1)
2757                                         netError();
2758                                 if (NET_recvPadData(&((u16*)buf)[1], 2) == -1)
2759                                         netError();
2760                         }
2761                 }
2762                 if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) {
2763                         psxBios_PADpoll(1);
2764
2765                         if (NET_sendPadData(pad_buf1, i) == -1)
2766                                 netError();
2767
2768                         if (NET_recvPadData(pad_buf1, 1) == -1)
2769                                 netError();
2770                         if (NET_recvPadData(pad_buf2, 2) == -1)
2771                                 netError();
2772                 } else {
2773                         if (pad_buf1) {
2774                                 psxBios_PADpoll(1);
2775                         }
2776
2777                         if (pad_buf2) {
2778                                 psxBios_PADpoll(2);
2779                         }
2780                 }
2781
2782         if (psxHu32(0x1070) & 0x1) { // Vsync
2783                 if (RcEV[3][1].status == EvStACTIVE) {
2784                         softCall(RcEV[3][1].fhandler);
2785 //                      hwWrite32(0x1f801070, ~(1));
2786                 }
2787         }
2788
2789         if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2
2790                 int i;
2791
2792                 for (i = 0; i < 3; i++) {
2793                         if (psxHu32(0x1070) & (1 << (i + 4))) {
2794                                 if (RcEV[i][1].status == EvStACTIVE) {
2795                                         softCall(RcEV[i][1].fhandler);
2796                                 }
2797                                 psxHwWrite32(0x1f801070, ~(1 << (i + 4)));
2798                         }
2799                 }
2800         }
2801 }
2802
2803 void psxBiosException() {
2804         int i;
2805
2806         switch (psxRegs.CP0.n.Cause & 0x3c) {
2807                 case 0x00: // Interrupt
2808 #ifdef PSXCPU_LOG
2809 //                      PSXCPU_LOG("interrupt\n");
2810 #endif
2811                         SaveRegs();
2812
2813                         sp = psxMu32(0x6c80); // create new stack for interrupt handlers
2814
2815                         biosInterrupt();
2816
2817                         for (i = 0; i < 8; i++) {
2818                                 if (SysIntRP[i]) {
2819                                         u32 *queue = (u32 *)PSXM(SysIntRP[i]);
2820
2821                                         s0 = queue[2];
2822                                         softCall(queue[1]);
2823                                 }
2824                         }
2825
2826                         if (jmp_int != NULL) {
2827                                 int i;
2828
2829                                 psxHwWrite32(0x1f801070, 0xffffffff);
2830
2831                                 ra = jmp_int[0];
2832                                 sp = jmp_int[1];
2833                                 fp = jmp_int[2];
2834                                 for (i = 0; i < 8; i++) // s0-s7
2835                                          psxRegs.GPR.r[16 + i] = jmp_int[3 + i];
2836                                 gp = jmp_int[11];
2837
2838                                 v0 = 1;
2839                                 pc0 = ra;
2840                                 return;
2841                         }
2842                         psxHwWrite16(0x1f801070, 0);
2843                         break;
2844
2845                 case 0x20: // Syscall
2846 #ifdef PSXCPU_LOG
2847                         PSXCPU_LOG("syscall exp %x\n", a0);
2848 #endif
2849                         switch (a0) {
2850                                 case 1: // EnterCritical - disable irq's
2851                                         psxRegs.CP0.n.Status &= ~0x404;
2852 v0=1;   // HDHOSHY experimental patch: Spongebob, Coldblood, fearEffect, Medievil2, Martian Gothic
2853                                         break;
2854
2855                                 case 2: // ExitCritical - enable irq's
2856                                         psxRegs.CP0.n.Status |= 0x404;
2857                                         break;
2858                         }
2859                         pc0 = psxRegs.CP0.n.EPC + 4;
2860
2861                         psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2862                                                                   ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2863                         return;
2864
2865                 default:
2866 #ifdef PSXCPU_LOG
2867                         PSXCPU_LOG("unknown bios exception!\n");
2868 #endif
2869                         break;
2870         }
2871
2872         pc0 = psxRegs.CP0.n.EPC;
2873         if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4;
2874
2875         psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) |
2876                                                   ((psxRegs.CP0.n.Status & 0x3c) >> 2);
2877 }
2878
2879 #define bfreeze(ptr, size) { \
2880         if (Mode == 1) memcpy(&psxR[base], ptr, size); \
2881         if (Mode == 0) memcpy(ptr, &psxR[base], size); \
2882         base += size; \
2883 }
2884
2885 #define bfreezes(ptr) bfreeze(ptr, sizeof(ptr))
2886 #define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr))
2887
2888 #define bfreezepsxMptr(ptr, type) { \
2889         if (Mode == 1) { \
2890                 if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \
2891                 else psxRu32ref(base) = 0; \
2892         } else { \
2893                 if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \
2894                 else (ptr) = NULL; \
2895         } \
2896         base += sizeof(u32); \
2897 }
2898
2899 void psxBiosFreeze(int Mode) {
2900         u32 base = 0x40000;
2901
2902         bfreezepsxMptr(jmp_int, u32);
2903         bfreezepsxMptr(pad_buf, int);
2904         bfreezepsxMptr(pad_buf1, char);
2905         bfreezepsxMptr(pad_buf2, char);
2906         bfreezepsxMptr(heap_addr, u32);
2907         bfreezel(&pad_buf1len);
2908         bfreezel(&pad_buf2len);
2909         bfreezes(regs);
2910         bfreezes(SysIntRP);
2911         bfreezel(&CardState);
2912         bfreezes(Thread);
2913         bfreezel(&CurThread);
2914         bfreezes(FDesc);
2915         bfreezel(&card_active_chan);
2916 }