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