| 1 | /*************************************************************************** |
| 2 | * Copyright (C) 2019 Ryan Schultz, PCSX-df Team, PCSX team, gameblabla, * |
| 3 | * dmitrysmagin, senquack * |
| 4 | * * |
| 5 | * This program is free software; you can redistribute it and/or modify * |
| 6 | * it under the terms of the GNU General Public License as published by * |
| 7 | * the Free Software Foundation; either version 2 of the License, or * |
| 8 | * (at your option) any later version. * |
| 9 | * * |
| 10 | * This program is distributed in the hope that it will be useful, * |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 13 | * GNU General Public License for more details. * |
| 14 | * * |
| 15 | * You should have received a copy of the GNU General Public License * |
| 16 | * along with this program; if not, write to the * |
| 17 | * Free Software Foundation, Inc., * |
| 18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. * |
| 19 | ***************************************************************************/ |
| 20 | |
| 21 | /* Gameblabla 2018-2019 : |
| 22 | * Numerous changes to bios calls as well as improvements in order to conform to nocash's findings |
| 23 | * for the PSX bios calls. Thanks senquack for helping out with some of the changes |
| 24 | * and helping to spot issues and refine my patches. |
| 25 | * */ |
| 26 | |
| 27 | /* |
| 28 | * Internal simulated HLE BIOS. |
| 29 | */ |
| 30 | |
| 31 | // TODO: implement all system calls, count the exact CPU cycles of system calls. |
| 32 | |
| 33 | #include "psxbios.h" |
| 34 | #include "psxhw.h" |
| 35 | #include "gpu.h" |
| 36 | #include "sio.h" |
| 37 | #include <zlib.h> |
| 38 | |
| 39 | #undef SysPrintf |
| 40 | #define SysPrintf if (Config.PsxOut) printf |
| 41 | |
| 42 | char *biosA0n[256] = { |
| 43 | // 0x00 |
| 44 | "open", "lseek", "read", "write", |
| 45 | "close", "ioctl", "exit", "sys_a0_07", |
| 46 | "getc", "putc", "todigit", "atof", |
| 47 | "strtoul", "strtol", "abs", "labs", |
| 48 | // 0x10 |
| 49 | "atoi", "atol", "atob", "setjmp", |
| 50 | "longjmp", "strcat", "strncat", "strcmp", |
| 51 | "strncmp", "strcpy", "strncpy", "strlen", |
| 52 | "index", "rindex", "strchr", "strrchr", |
| 53 | // 0x20 |
| 54 | "strpbrk", "strspn", "strcspn", "strtok", |
| 55 | "strstr", "toupper", "tolower", "bcopy", |
| 56 | "bzero", "bcmp", "memcpy", "memset", |
| 57 | "memmove", "memcmp", "memchr", "rand", |
| 58 | // 0x30 |
| 59 | "srand", "qsort", "strtod", "malloc", |
| 60 | "free", "lsearch", "bsearch", "calloc", |
| 61 | "realloc", "InitHeap", "_exit", "getchar", |
| 62 | "putchar", "gets", "puts", "printf", |
| 63 | // 0x40 |
| 64 | "sys_a0_40", "LoadTest", "Load", "Exec", |
| 65 | "FlushCache", "InstallInterruptHandler", "GPU_dw", "mem2vram", |
| 66 | "SendGPUStatus", "GPU_cw", "GPU_cwb", "SendPackets", |
| 67 | "sys_a0_4c", "GetGPUStatus", "GPU_sync", "sys_a0_4f", |
| 68 | // 0x50 |
| 69 | "sys_a0_50", "LoadExec", "GetSysSp", "sys_a0_53", |
| 70 | "_96_init()", "_bu_init()", "_96_remove()", "sys_a0_57", |
| 71 | "sys_a0_58", "sys_a0_59", "sys_a0_5a", "dev_tty_init", |
| 72 | "dev_tty_open", "sys_a0_5d", "dev_tty_ioctl","dev_cd_open", |
| 73 | // 0x60 |
| 74 | "dev_cd_read", "dev_cd_close", "dev_cd_firstfile", "dev_cd_nextfile", |
| 75 | "dev_cd_chdir", "dev_card_open", "dev_card_read", "dev_card_write", |
| 76 | "dev_card_close", "dev_card_firstfile", "dev_card_nextfile","dev_card_erase", |
| 77 | "dev_card_undelete","dev_card_format", "dev_card_rename", "dev_card_6f", |
| 78 | // 0x70 |
| 79 | "_bu_init", "_96_init", "_96_remove", "sys_a0_73", |
| 80 | "sys_a0_74", "sys_a0_75", "sys_a0_76", "sys_a0_77", |
| 81 | "_96_CdSeekL", "sys_a0_79", "sys_a0_7a", "sys_a0_7b", |
| 82 | "_96_CdGetStatus", "sys_a0_7d", "_96_CdRead", "sys_a0_7f", |
| 83 | // 0x80 |
| 84 | "sys_a0_80", "sys_a0_81", "sys_a0_82", "sys_a0_83", |
| 85 | "sys_a0_84", "_96_CdStop", "sys_a0_86", "sys_a0_87", |
| 86 | "sys_a0_88", "sys_a0_89", "sys_a0_8a", "sys_a0_8b", |
| 87 | "sys_a0_8c", "sys_a0_8d", "sys_a0_8e", "sys_a0_8f", |
| 88 | // 0x90 |
| 89 | "sys_a0_90", "sys_a0_91", "sys_a0_92", "sys_a0_93", |
| 90 | "sys_a0_94", "sys_a0_95", "AddCDROMDevice", "AddMemCardDevide", |
| 91 | "DisableKernelIORedirection", "EnableKernelIORedirection", "sys_a0_9a", "sys_a0_9b", |
| 92 | "SetConf", "GetConf", "sys_a0_9e", "SetMem", |
| 93 | // 0xa0 |
| 94 | "_boot", "SystemError", "EnqueueCdIntr", "DequeueCdIntr", |
| 95 | "sys_a0_a4", "ReadSector", "get_cd_status", "bufs_cb_0", |
| 96 | "bufs_cb_1", "bufs_cb_2", "bufs_cb_3", "_card_info", |
| 97 | "_card_load", "_card_auto", "bufs_cd_4", "sys_a0_af", |
| 98 | // 0xb0 |
| 99 | "sys_a0_b0", "sys_a0_b1", "do_a_long_jmp", "sys_a0_b3", |
| 100 | "?? sub_function", |
| 101 | }; |
| 102 | |
| 103 | char *biosB0n[256] = { |
| 104 | // 0x00 |
| 105 | "SysMalloc", "sys_b0_01", "sys_b0_02", "sys_b0_03", |
| 106 | "sys_b0_04", "sys_b0_05", "sys_b0_06", "DeliverEvent", |
| 107 | "OpenEvent", "CloseEvent", "WaitEvent", "TestEvent", |
| 108 | "EnableEvent", "DisableEvent", "OpenTh", "CloseTh", |
| 109 | // 0x10 |
| 110 | "ChangeTh", "sys_b0_11", "InitPAD", "StartPAD", |
| 111 | "StopPAD", "PAD_init", "PAD_dr", "ReturnFromExecption", |
| 112 | "ResetEntryInt", "HookEntryInt", "sys_b0_1a", "sys_b0_1b", |
| 113 | "sys_b0_1c", "sys_b0_1d", "sys_b0_1e", "sys_b0_1f", |
| 114 | // 0x20 |
| 115 | "UnDeliverEvent", "sys_b0_21", "sys_b0_22", "sys_b0_23", |
| 116 | "sys_b0_24", "sys_b0_25", "sys_b0_26", "sys_b0_27", |
| 117 | "sys_b0_28", "sys_b0_29", "sys_b0_2a", "sys_b0_2b", |
| 118 | "sys_b0_2c", "sys_b0_2d", "sys_b0_2e", "sys_b0_2f", |
| 119 | // 0x30 |
| 120 | "sys_b0_30", "sys_b0_31", "open", "lseek", |
| 121 | "read", "write", "close", "ioctl", |
| 122 | "exit", "sys_b0_39", "getc", "putc", |
| 123 | "getchar", "putchar", "gets", "puts", |
| 124 | // 0x40 |
| 125 | "cd", "format", "firstfile", "nextfile", |
| 126 | "rename", "delete", "undelete", "AddDevice", |
| 127 | "RemoteDevice", "PrintInstalledDevices", "InitCARD", "StartCARD", |
| 128 | "StopCARD", "sys_b0_4d", "_card_write", "_card_read", |
| 129 | // 0x50 |
| 130 | "_new_card", "Krom2RawAdd", "sys_b0_52", "sys_b0_53", |
| 131 | "_get_errno", "_get_error", "GetC0Table", "GetB0Table", |
| 132 | "_card_chan", "sys_b0_59", "sys_b0_5a", "ChangeClearPAD", |
| 133 | "_card_status", "_card_wait", |
| 134 | }; |
| 135 | |
| 136 | char *biosC0n[256] = { |
| 137 | // 0x00 |
| 138 | "InitRCnt", "InitException", "SysEnqIntRP", "SysDeqIntRP", |
| 139 | "get_free_EvCB_slot", "get_free_TCB_slot", "ExceptionHandler", "InstallExeptionHandler", |
| 140 | "SysInitMemory", "SysInitKMem", "ChangeClearRCnt", "SystemError", |
| 141 | "InitDefInt", "sys_c0_0d", "sys_c0_0e", "sys_c0_0f", |
| 142 | // 0x10 |
| 143 | "sys_c0_10", "sys_c0_11", "InstallDevices", "FlushStfInOutPut", |
| 144 | "sys_c0_14", "_cdevinput", "_cdevscan", "_circgetc", |
| 145 | "_circputc", "ioabort", "sys_c0_1a", "KernelRedirect", |
| 146 | "PatchAOTable", |
| 147 | }; |
| 148 | |
| 149 | //#define r0 (psxRegs.GPR.n.r0) |
| 150 | #define at (psxRegs.GPR.n.at) |
| 151 | #define v0 (psxRegs.GPR.n.v0) |
| 152 | #define v1 (psxRegs.GPR.n.v1) |
| 153 | #define a0 (psxRegs.GPR.n.a0) |
| 154 | #define a1 (psxRegs.GPR.n.a1) |
| 155 | #define a2 (psxRegs.GPR.n.a2) |
| 156 | #define a3 (psxRegs.GPR.n.a3) |
| 157 | #define t0 (psxRegs.GPR.n.t0) |
| 158 | #define t1 (psxRegs.GPR.n.t1) |
| 159 | #define t2 (psxRegs.GPR.n.t2) |
| 160 | #define t3 (psxRegs.GPR.n.t3) |
| 161 | #define t4 (psxRegs.GPR.n.t4) |
| 162 | #define t5 (psxRegs.GPR.n.t5) |
| 163 | #define t6 (psxRegs.GPR.n.t6) |
| 164 | #define t7 (psxRegs.GPR.n.t7) |
| 165 | #define t8 (psxRegs.GPR.n.t8) |
| 166 | #define t9 (psxRegs.GPR.n.t9) |
| 167 | #define s0 (psxRegs.GPR.n.s0) |
| 168 | #define s1 (psxRegs.GPR.n.s1) |
| 169 | #define s2 (psxRegs.GPR.n.s2) |
| 170 | #define s3 (psxRegs.GPR.n.s3) |
| 171 | #define s4 (psxRegs.GPR.n.s4) |
| 172 | #define s5 (psxRegs.GPR.n.s5) |
| 173 | #define s6 (psxRegs.GPR.n.s6) |
| 174 | #define s7 (psxRegs.GPR.n.s7) |
| 175 | #define k0 (psxRegs.GPR.n.k0) |
| 176 | #define k1 (psxRegs.GPR.n.k1) |
| 177 | #define gp (psxRegs.GPR.n.gp) |
| 178 | #define sp (psxRegs.GPR.n.sp) |
| 179 | #define fp (psxRegs.GPR.n.s8) |
| 180 | #define ra (psxRegs.GPR.n.ra) |
| 181 | #define pc0 (psxRegs.pc) |
| 182 | |
| 183 | #define Ra0 ((char *)PSXM(a0)) |
| 184 | #define Ra1 ((char *)PSXM(a1)) |
| 185 | #define Ra2 ((char *)PSXM(a2)) |
| 186 | #define Ra3 ((char *)PSXM(a3)) |
| 187 | #define Rv0 ((char *)PSXM(v0)) |
| 188 | #define Rsp ((char *)PSXM(sp)) |
| 189 | |
| 190 | typedef struct { |
| 191 | u32 desc; |
| 192 | s32 status; |
| 193 | s32 mode; |
| 194 | u32 fhandler; |
| 195 | } EvCB[32]; |
| 196 | |
| 197 | #define EvStUNUSED 0x0000 |
| 198 | #define EvStWAIT 0x1000 |
| 199 | #define EvStACTIVE 0x2000 |
| 200 | #define EvStALREADY 0x4000 |
| 201 | |
| 202 | #define EvMdINTR 0x1000 |
| 203 | #define EvMdNOINTR 0x2000 |
| 204 | |
| 205 | /* |
| 206 | typedef struct { |
| 207 | s32 next; |
| 208 | s32 func1; |
| 209 | s32 func2; |
| 210 | s32 pad; |
| 211 | } SysRPst; |
| 212 | */ |
| 213 | |
| 214 | typedef struct { |
| 215 | s32 status; |
| 216 | s32 mode; |
| 217 | u32 reg[32]; |
| 218 | u32 func; |
| 219 | } TCB; |
| 220 | |
| 221 | typedef struct { |
| 222 | u32 _pc0; |
| 223 | u32 gp0; |
| 224 | u32 t_addr; |
| 225 | u32 t_size; |
| 226 | u32 d_addr; |
| 227 | u32 d_size; |
| 228 | u32 b_addr; |
| 229 | u32 b_size; |
| 230 | u32 S_addr; |
| 231 | u32 s_size; |
| 232 | u32 _sp, _fp, _gp, ret, base; |
| 233 | } EXEC; |
| 234 | |
| 235 | struct DIRENTRY { |
| 236 | char name[20]; |
| 237 | s32 attr; |
| 238 | s32 size; |
| 239 | u32 next; |
| 240 | s32 head; |
| 241 | char system[4]; |
| 242 | }; |
| 243 | |
| 244 | typedef struct { |
| 245 | char name[32]; |
| 246 | u32 mode; |
| 247 | u32 offset; |
| 248 | u32 size; |
| 249 | u32 mcfile; |
| 250 | } FileDesc; |
| 251 | |
| 252 | static u32 *jmp_int = NULL; |
| 253 | static int *pad_buf = NULL; |
| 254 | static char *pad_buf1 = NULL, *pad_buf2 = NULL; |
| 255 | static int pad_buf1len, pad_buf2len; |
| 256 | static int pad_stopped = 0; |
| 257 | |
| 258 | static u32 regs[35]; |
| 259 | static EvCB *EventCB; |
| 260 | static EvCB *HwEV; // 0xf0 |
| 261 | static EvCB *EvEV; // 0xf1 |
| 262 | static EvCB *RcEV; // 0xf2 |
| 263 | static EvCB *UeEV; // 0xf3 |
| 264 | static EvCB *SwEV; // 0xf4 |
| 265 | static EvCB *ThEV; // 0xff |
| 266 | static u32 heap_size = 0; |
| 267 | static u32 *heap_addr = NULL; |
| 268 | static u32 *heap_end = NULL; |
| 269 | static u32 SysIntRP[8]; |
| 270 | static int CardState = -1; |
| 271 | static TCB ThreadCB[8]; |
| 272 | static int CurThread = 0; |
| 273 | static FileDesc FDesc[32]; |
| 274 | static u32 card_active_chan = 0; |
| 275 | |
| 276 | boolean hleSoftCall = FALSE; |
| 277 | |
| 278 | static inline void softCall(u32 pc) { |
| 279 | pc0 = pc; |
| 280 | ra = 0x80001000; |
| 281 | |
| 282 | hleSoftCall = TRUE; |
| 283 | |
| 284 | while (pc0 != 0x80001000) psxCpu->ExecuteBlock(); |
| 285 | |
| 286 | hleSoftCall = FALSE; |
| 287 | } |
| 288 | |
| 289 | static inline void softCall2(u32 pc) { |
| 290 | u32 sra = ra; |
| 291 | pc0 = pc; |
| 292 | ra = 0x80001000; |
| 293 | |
| 294 | hleSoftCall = TRUE; |
| 295 | |
| 296 | while (pc0 != 0x80001000) psxCpu->ExecuteBlock(); |
| 297 | ra = sra; |
| 298 | |
| 299 | hleSoftCall = FALSE; |
| 300 | } |
| 301 | |
| 302 | static inline void DeliverEvent(u32 ev, u32 spec) { |
| 303 | if (EventCB[ev][spec].status != EvStACTIVE) return; |
| 304 | |
| 305 | // EventCB[ev][spec].status = EvStALREADY; |
| 306 | if (EventCB[ev][spec].mode == EvMdINTR) { |
| 307 | softCall2(EventCB[ev][spec].fhandler); |
| 308 | } else EventCB[ev][spec].status = EvStALREADY; |
| 309 | } |
| 310 | |
| 311 | static unsigned interrupt_r26=0x8004E8B0; |
| 312 | |
| 313 | static inline void SaveRegs() { |
| 314 | memcpy(regs, psxRegs.GPR.r, 32*4); |
| 315 | regs[32] = psxRegs.GPR.n.lo; |
| 316 | regs[33] = psxRegs.GPR.n.hi; |
| 317 | regs[34] = psxRegs.pc; |
| 318 | } |
| 319 | |
| 320 | static inline void LoadRegs() { |
| 321 | memcpy(psxRegs.GPR.r, regs, 32*4); |
| 322 | psxRegs.GPR.n.lo = regs[32]; |
| 323 | psxRegs.GPR.n.hi = regs[33]; |
| 324 | } |
| 325 | |
| 326 | /* * |
| 327 | // * |
| 328 | // * |
| 329 | // System calls A0 */ |
| 330 | |
| 331 | |
| 332 | #define buread(Ra1, mcd, length) { \ |
| 333 | 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); \ |
| 334 | ptr = Mcd##mcd##Data + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \ |
| 335 | memcpy(Ra1, ptr, length); \ |
| 336 | if (FDesc[1 + mcd].mode & 0x8000) { \ |
| 337 | DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \ |
| 338 | DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \ |
| 339 | v0 = 0; } \ |
| 340 | else v0 = length; \ |
| 341 | FDesc[1 + mcd].offset += v0; \ |
| 342 | } |
| 343 | |
| 344 | #define buwrite(Ra1, mcd, length) { \ |
| 345 | u32 offset = + 8192 * FDesc[1 + mcd].mcfile + FDesc[1 + mcd].offset; \ |
| 346 | SysPrintf("write %d: %x,%x\n", FDesc[1 + mcd].mcfile, FDesc[1 + mcd].offset, a2); \ |
| 347 | ptr = Mcd##mcd##Data + offset; \ |
| 348 | memcpy(ptr, Ra1, length); \ |
| 349 | FDesc[1 + mcd].offset += length; \ |
| 350 | SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, offset, length); \ |
| 351 | if (FDesc[1 + mcd].mode & 0x8000) { \ |
| 352 | DeliverEvent(0x11, 0x2); /* 0xf0000011, 0x0004 */ \ |
| 353 | DeliverEvent(0x81, 0x2); /* 0xf4000001, 0x0004 */ \ |
| 354 | v0 = 0; } \ |
| 355 | else v0 = length; \ |
| 356 | } |
| 357 | |
| 358 | |
| 359 | /* Internally redirects to "FileRead(fd,tempbuf,1)".*/ |
| 360 | /* For some strange reason, the returned character is sign-expanded; */ |
| 361 | /* So if a return value of FFFFFFFFh could mean either character FFh, or error. */ |
| 362 | /* TODO FIX ME : Properly implement this behaviour */ |
| 363 | void psxBios_getc(void) // 0x03, 0x35 |
| 364 | { |
| 365 | char *ptr; |
| 366 | void *pa1 = Ra1; |
| 367 | #ifdef PSXBIOS_LOG |
| 368 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x03]); |
| 369 | #endif |
| 370 | v0 = -1; |
| 371 | |
| 372 | if (pa1) { |
| 373 | switch (a0) { |
| 374 | case 2: buread(pa1, 1, 1); break; |
| 375 | case 3: buread(pa1, 2, 1); break; |
| 376 | } |
| 377 | } |
| 378 | |
| 379 | pc0 = ra; |
| 380 | } |
| 381 | |
| 382 | /* Copy of psxBios_write, except size is 1. */ |
| 383 | void psxBios_putc(void) // 0x09, 0x3B |
| 384 | { |
| 385 | char *ptr; |
| 386 | void *pa1 = Ra1; |
| 387 | #ifdef PSXBIOS_LOG |
| 388 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x09]); |
| 389 | #endif |
| 390 | v0 = -1; |
| 391 | if (!pa1) { |
| 392 | pc0 = ra; |
| 393 | return; |
| 394 | } |
| 395 | |
| 396 | if (a0 == 1) { // stdout |
| 397 | char *ptr = (char *)pa1; |
| 398 | |
| 399 | v0 = a2; |
| 400 | while (a2 > 0) { |
| 401 | printf("%c", *ptr++); a2--; |
| 402 | } |
| 403 | pc0 = ra; return; |
| 404 | } |
| 405 | |
| 406 | switch (a0) { |
| 407 | case 2: buwrite(pa1, 1, 1); break; |
| 408 | case 3: buwrite(pa1, 2, 1); break; |
| 409 | } |
| 410 | |
| 411 | pc0 = ra; |
| 412 | } |
| 413 | |
| 414 | void psxBios_todigit(void) // 0x0a |
| 415 | { |
| 416 | int c = a0; |
| 417 | #ifdef PSXBIOS_LOG |
| 418 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x0a]); |
| 419 | #endif |
| 420 | c &= 0xFF; |
| 421 | if (c >= 0x30 && c < 0x3A) { |
| 422 | c -= 0x30; |
| 423 | } |
| 424 | else if (c > 0x60 && c < 0x7B) { |
| 425 | c -= 0x20; |
| 426 | } |
| 427 | else if (c > 0x40 && c < 0x5B) { |
| 428 | c = c - 0x41 + 10; |
| 429 | } |
| 430 | else if (c >= 0x80) { |
| 431 | c = -1; |
| 432 | } |
| 433 | else |
| 434 | { |
| 435 | c = 0x0098967F; |
| 436 | } |
| 437 | v0 = c; |
| 438 | pc0 = ra; |
| 439 | } |
| 440 | |
| 441 | void psxBios_abs() { // 0x0e |
| 442 | if ((s32)a0 < 0) v0 = -(s32)a0; |
| 443 | else v0 = a0; |
| 444 | pc0 = ra; |
| 445 | } |
| 446 | |
| 447 | void psxBios_labs() { // 0x0f |
| 448 | psxBios_abs(); |
| 449 | } |
| 450 | |
| 451 | void psxBios_atoi() { // 0x10 |
| 452 | s32 n = 0, f = 0; |
| 453 | char *p = (char *)Ra0; |
| 454 | |
| 455 | for (;;p++) { |
| 456 | switch (*p) { |
| 457 | case ' ': case '\t': continue; |
| 458 | case '-': f++; |
| 459 | case '+': p++; |
| 460 | } |
| 461 | break; |
| 462 | } |
| 463 | |
| 464 | while (*p >= '0' && *p <= '9') { |
| 465 | n = n * 10 + *p++ - '0'; |
| 466 | } |
| 467 | |
| 468 | v0 = (f ? -n : n); |
| 469 | pc0 = ra; |
| 470 | } |
| 471 | |
| 472 | void psxBios_atol() { // 0x11 |
| 473 | psxBios_atoi(); |
| 474 | } |
| 475 | |
| 476 | void psxBios_setjmp() { // 0x13 |
| 477 | u32 *jmp_buf = (u32 *)Ra0; |
| 478 | int i; |
| 479 | |
| 480 | #ifdef PSXBIOS_LOG |
| 481 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x13]); |
| 482 | #endif |
| 483 | |
| 484 | jmp_buf[0] = ra; |
| 485 | jmp_buf[1] = sp; |
| 486 | jmp_buf[2] = fp; |
| 487 | for (i = 0; i < 8; i++) // s0-s7 |
| 488 | jmp_buf[3 + i] = psxRegs.GPR.r[16 + i]; |
| 489 | jmp_buf[11] = gp; |
| 490 | |
| 491 | v0 = 0; pc0 = ra; |
| 492 | } |
| 493 | |
| 494 | void psxBios_longjmp() { // 0x14 |
| 495 | u32 *jmp_buf = (u32 *)Ra0; |
| 496 | int i; |
| 497 | |
| 498 | #ifdef PSXBIOS_LOG |
| 499 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x14]); |
| 500 | #endif |
| 501 | |
| 502 | ra = jmp_buf[0]; /* ra */ |
| 503 | sp = jmp_buf[1]; /* sp */ |
| 504 | fp = jmp_buf[2]; /* fp */ |
| 505 | for (i = 0; i < 8; i++) // s0-s7 |
| 506 | psxRegs.GPR.r[16 + i] = jmp_buf[3 + i]; |
| 507 | gp = jmp_buf[11]; /* gp */ |
| 508 | |
| 509 | v0 = a1; pc0 = ra; |
| 510 | } |
| 511 | |
| 512 | void psxBios_strcat() { // 0x15 |
| 513 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; |
| 514 | |
| 515 | #ifdef PSXBIOS_LOG |
| 516 | PSXBIOS_LOG("psxBios_%s: %s, %s\n", biosA0n[0x15], Ra0, Ra1); |
| 517 | #endif |
| 518 | if (a0 == 0 || a1 == 0) |
| 519 | { |
| 520 | v0 = 0; |
| 521 | pc0 = ra; |
| 522 | return; |
| 523 | } |
| 524 | while (*p1++); |
| 525 | --p1; |
| 526 | while ((*p1++ = *p2++) != '\0'); |
| 527 | |
| 528 | v0 = a0; pc0 = ra; |
| 529 | } |
| 530 | |
| 531 | void psxBios_strncat() { // 0x16 |
| 532 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; |
| 533 | s32 n = a2; |
| 534 | |
| 535 | #ifdef PSXBIOS_LOG |
| 536 | PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x16], Ra0, a0, Ra1, a1, a2); |
| 537 | #endif |
| 538 | if (a0 == 0 || a1 == 0) |
| 539 | { |
| 540 | v0 = 0; |
| 541 | pc0 = ra; |
| 542 | return; |
| 543 | } |
| 544 | while (*p1++); |
| 545 | --p1; |
| 546 | while ((*p1++ = *p2++) != '\0') { |
| 547 | if (--n < 0) { |
| 548 | *--p1 = '\0'; |
| 549 | break; |
| 550 | } |
| 551 | } |
| 552 | |
| 553 | v0 = a0; pc0 = ra; |
| 554 | } |
| 555 | |
| 556 | void psxBios_strcmp() { // 0x17 |
| 557 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; |
| 558 | s32 n=0; |
| 559 | if (a0 == 0 && a1 == 0) |
| 560 | { |
| 561 | v0 = 0; |
| 562 | pc0 = ra; |
| 563 | return; |
| 564 | } |
| 565 | else if (a0 == 0 && a1 != 0) |
| 566 | { |
| 567 | v0 = -1; |
| 568 | pc0 = ra; |
| 569 | return; |
| 570 | } |
| 571 | else if (a0 != 0 && a1 == 0) |
| 572 | { |
| 573 | v0 = 1; |
| 574 | pc0 = ra; |
| 575 | return; |
| 576 | } |
| 577 | #ifdef PSXBIOS_LOG |
| 578 | PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x)\n", biosA0n[0x17], Ra0, a0, Ra1, a1); |
| 579 | #endif |
| 580 | |
| 581 | while (*p1 == *p2++) { |
| 582 | n++; |
| 583 | if (*p1++ == '\0') { |
| 584 | v1=n-1; |
| 585 | a0+=n; |
| 586 | a1+=n; |
| 587 | v0 = 0; |
| 588 | pc0 = ra; |
| 589 | return; |
| 590 | } |
| 591 | } |
| 592 | |
| 593 | v0 = (*p1 - *--p2); |
| 594 | v1 = n; |
| 595 | a0+=n; |
| 596 | a1+=n; |
| 597 | pc0 = ra; |
| 598 | } |
| 599 | |
| 600 | void psxBios_strncmp() { // 0x18 |
| 601 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; |
| 602 | s32 n = a2; |
| 603 | if (a0 == 0 && a1 == 0) |
| 604 | { |
| 605 | v0 = 0; |
| 606 | pc0 = ra; |
| 607 | return; |
| 608 | } |
| 609 | else if (a0 == 0 && a1 != 0) |
| 610 | { |
| 611 | v0 = -1; |
| 612 | pc0 = ra; |
| 613 | return; |
| 614 | } |
| 615 | else if (a0 != 0 && a1 == 0) |
| 616 | { |
| 617 | v0 = 1; |
| 618 | pc0 = ra; |
| 619 | return; |
| 620 | } |
| 621 | #ifdef PSXBIOS_LOG |
| 622 | PSXBIOS_LOG("psxBios_%s: %s (%x), %s (%x), %d\n", biosA0n[0x18], Ra0, a0, Ra1, a1, a2); |
| 623 | #endif |
| 624 | |
| 625 | while (--n >= 0 && *p1 == *p2++) { |
| 626 | if (*p1++ == '\0') { |
| 627 | v0 = 0; |
| 628 | pc0 = ra; |
| 629 | v1 = a2 - ((a2-n) - 1); |
| 630 | a0 += (a2-n) - 1; |
| 631 | a1 += (a2-n) - 1; |
| 632 | a2 = n; |
| 633 | return; |
| 634 | } |
| 635 | } |
| 636 | |
| 637 | v0 = (n < 0 ? 0 : *p1 - *--p2); |
| 638 | pc0 = ra; |
| 639 | v1 = a2 - ((a2-n) - 1); |
| 640 | a0 += (a2-n) - 1; |
| 641 | a1 += (a2-n) - 1; |
| 642 | a2 = n; |
| 643 | } |
| 644 | |
| 645 | void psxBios_strcpy() { // 0x19 |
| 646 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; |
| 647 | if (a0 == 0 || a1 == 0) |
| 648 | { |
| 649 | v0 = 0; |
| 650 | pc0 = ra; |
| 651 | return; |
| 652 | } |
| 653 | while ((*p1++ = *p2++) != '\0'); |
| 654 | |
| 655 | v0 = a0; pc0 = ra; |
| 656 | } |
| 657 | |
| 658 | void psxBios_strncpy() { // 0x1a |
| 659 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; |
| 660 | s32 n = a2, i; |
| 661 | if (a0 == 0 || a1 == 0) |
| 662 | { |
| 663 | v0 = 0; |
| 664 | pc0 = ra; |
| 665 | return; |
| 666 | } |
| 667 | for (i = 0; i < n; i++) { |
| 668 | if ((*p1++ = *p2++) == '\0') { |
| 669 | while (++i < n) { |
| 670 | *p1++ = '\0'; |
| 671 | } |
| 672 | v0 = a0; pc0 = ra; |
| 673 | return; |
| 674 | } |
| 675 | } |
| 676 | |
| 677 | v0 = a0; pc0 = ra; |
| 678 | } |
| 679 | |
| 680 | void psxBios_strlen() { // 0x1b |
| 681 | char *p = (char *)Ra0; |
| 682 | v0 = 0; |
| 683 | if (a0 == 0) |
| 684 | { |
| 685 | pc0 = ra; |
| 686 | return; |
| 687 | } |
| 688 | while (*p++) v0++; |
| 689 | pc0 = ra; |
| 690 | } |
| 691 | |
| 692 | void psxBios_index() { // 0x1c |
| 693 | char *p = (char *)Ra0; |
| 694 | if (a0 == 0) |
| 695 | { |
| 696 | v0 = 0; |
| 697 | pc0 = ra; |
| 698 | return; |
| 699 | } |
| 700 | |
| 701 | do { |
| 702 | if (*p == a1) { |
| 703 | v0 = a0 + (p - (char *)Ra0); |
| 704 | pc0 = ra; |
| 705 | return; |
| 706 | } |
| 707 | } while (*p++ != '\0'); |
| 708 | |
| 709 | v0 = 0; pc0 = ra; |
| 710 | } |
| 711 | |
| 712 | void psxBios_rindex() { // 0x1d |
| 713 | char *p = (char *)Ra0; |
| 714 | |
| 715 | v0 = 0; |
| 716 | if (a0 == 0) |
| 717 | { |
| 718 | pc0 = ra; |
| 719 | return; |
| 720 | } |
| 721 | do { |
| 722 | if (*p == a1) |
| 723 | v0 = a0 + (p - (char *)Ra0); |
| 724 | } while (*p++ != '\0'); |
| 725 | |
| 726 | pc0 = ra; |
| 727 | } |
| 728 | |
| 729 | void psxBios_strchr() { // 0x1e |
| 730 | psxBios_index(); |
| 731 | } |
| 732 | |
| 733 | void psxBios_strrchr() { // 0x1f |
| 734 | psxBios_rindex(); |
| 735 | } |
| 736 | |
| 737 | void psxBios_strpbrk() { // 0x20 |
| 738 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1, *scanp, c, sc; |
| 739 | |
| 740 | while ((c = *p1++) != '\0') { |
| 741 | for (scanp = p2; (sc = *scanp++) != '\0';) { |
| 742 | if (sc == c) { |
| 743 | v0 = a0 + (p1 - 1 - (char *)Ra0); |
| 744 | pc0 = ra; |
| 745 | return; |
| 746 | } |
| 747 | } |
| 748 | } |
| 749 | |
| 750 | // BUG: return a0 instead of NULL if not found |
| 751 | v0 = a0; pc0 = ra; |
| 752 | } |
| 753 | |
| 754 | void psxBios_strspn() { // 0x21 |
| 755 | char *p1, *p2; |
| 756 | |
| 757 | for (p1 = (char *)Ra0; *p1 != '\0'; p1++) { |
| 758 | for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++); |
| 759 | if (*p2 == '\0') break; |
| 760 | } |
| 761 | |
| 762 | v0 = p1 - (char *)Ra0; pc0 = ra; |
| 763 | } |
| 764 | |
| 765 | void psxBios_strcspn() { // 0x22 |
| 766 | char *p1, *p2; |
| 767 | |
| 768 | for (p1 = (char *)Ra0; *p1 != '\0'; p1++) { |
| 769 | for (p2 = (char *)Ra1; *p2 != '\0' && *p2 != *p1; p2++); |
| 770 | if (*p2 != '\0') break; |
| 771 | } |
| 772 | |
| 773 | v0 = p1 - (char *)Ra0; pc0 = ra; |
| 774 | } |
| 775 | |
| 776 | void psxBios_strtok() { // 0x23 |
| 777 | char *pcA0 = (char *)Ra0; |
| 778 | char *pcRet = strtok(pcA0, (char *)Ra1); |
| 779 | if (pcRet) |
| 780 | v0 = a0 + pcRet - pcA0; |
| 781 | else |
| 782 | v0 = 0; |
| 783 | pc0 = ra; |
| 784 | } |
| 785 | |
| 786 | void psxBios_strstr() { // 0x24 |
| 787 | char *p = (char *)Ra0, *p1, *p2; |
| 788 | |
| 789 | while (*p != '\0') { |
| 790 | p1 = p; |
| 791 | p2 = (char *)Ra1; |
| 792 | |
| 793 | while (*p1 != '\0' && *p2 != '\0' && *p1 == *p2) { |
| 794 | p1++; p2++; |
| 795 | } |
| 796 | |
| 797 | if (*p2 == '\0') { |
| 798 | v0 = a0 + (p - (char *)Ra0); |
| 799 | pc0 = ra; |
| 800 | return; |
| 801 | } |
| 802 | |
| 803 | p++; |
| 804 | } |
| 805 | |
| 806 | v0 = 0; pc0 = ra; |
| 807 | } |
| 808 | |
| 809 | void psxBios_toupper() { // 0x25 |
| 810 | v0 = (s8)(a0 & 0xff); |
| 811 | if (v0 >= 'a' && v0 <= 'z') v0 -= 'a' - 'A'; |
| 812 | pc0 = ra; |
| 813 | } |
| 814 | |
| 815 | void psxBios_tolower() { // 0x26 |
| 816 | v0 = (s8)(a0 & 0xff); |
| 817 | if (v0 >= 'A' && v0 <= 'Z') v0 += 'a' - 'A'; |
| 818 | pc0 = ra; |
| 819 | } |
| 820 | |
| 821 | void psxBios_bcopy() { // 0x27 |
| 822 | char *p1 = (char *)Ra1, *p2 = (char *)Ra0; |
| 823 | v0 = a0; |
| 824 | if (a0 == 0 || a2 > 0x7FFFFFFF) |
| 825 | { |
| 826 | pc0 = ra; |
| 827 | return; |
| 828 | } |
| 829 | while ((s32)a2-- > 0) *p1++ = *p2++; |
| 830 | a2 = 0; |
| 831 | pc0 = ra; |
| 832 | } |
| 833 | |
| 834 | void psxBios_bzero() { // 0x28 |
| 835 | char *p = (char *)Ra0; |
| 836 | v0 = a0; |
| 837 | /* Same as memset here (See memset below) */ |
| 838 | if (a1 > 0x7FFFFFFF || a1 == 0) |
| 839 | { |
| 840 | v0 = 0; |
| 841 | pc0 = ra; |
| 842 | return; |
| 843 | } |
| 844 | else if (a0 == 0) |
| 845 | { |
| 846 | pc0 = ra; |
| 847 | return; |
| 848 | } |
| 849 | while ((s32)a1-- > 0) *p++ = '\0'; |
| 850 | a1 = 0; |
| 851 | pc0 = ra; |
| 852 | } |
| 853 | |
| 854 | void psxBios_bcmp() { // 0x29 |
| 855 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; |
| 856 | |
| 857 | if (a0 == 0 || a1 == 0) { v0 = 0; pc0 = ra; return; } |
| 858 | |
| 859 | while ((s32)a2-- > 0) { |
| 860 | if (*p1++ != *p2++) { |
| 861 | v0 = *p1 - *p2; // BUG: compare the NEXT byte |
| 862 | pc0 = ra; |
| 863 | return; |
| 864 | } |
| 865 | } |
| 866 | |
| 867 | v0 = 0; pc0 = ra; |
| 868 | } |
| 869 | |
| 870 | void psxBios_memcpy() { // 0x2a |
| 871 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; |
| 872 | v0 = a0; |
| 873 | if (a0 == 0 || a2 > 0x7FFFFFFF) |
| 874 | { |
| 875 | pc0 = ra; |
| 876 | return; |
| 877 | } |
| 878 | while ((s32)a2-- > 0) { |
| 879 | *p1++ = *p2++; |
| 880 | } |
| 881 | a2 = 0; |
| 882 | pc0 = ra; |
| 883 | } |
| 884 | |
| 885 | void psxBios_memset() { // 0x2b |
| 886 | char *p = (char *)Ra0; |
| 887 | v0 = a0; |
| 888 | if (a2 > 0x7FFFFFFF || a2 == 0) |
| 889 | { |
| 890 | v0 = 0; |
| 891 | pc0 = ra; |
| 892 | return; |
| 893 | } |
| 894 | if (a0 == 0) |
| 895 | { |
| 896 | pc0 = ra; |
| 897 | return; |
| 898 | } |
| 899 | while ((s32)a2-- > 0) *p++ = (char)a1; |
| 900 | a2 = 0; |
| 901 | v0 = a0; pc0 = ra; |
| 902 | } |
| 903 | |
| 904 | void psxBios_memmove() { // 0x2c |
| 905 | char *p1 = (char *)Ra0, *p2 = (char *)Ra1; |
| 906 | v0 = a0; |
| 907 | if (a0 == 0 || a2 > 0x7FFFFFFF) |
| 908 | { |
| 909 | pc0 = ra; |
| 910 | return; |
| 911 | } |
| 912 | if (p2 <= p1 && p2 + a2 > p1) { |
| 913 | a2++; // BUG: copy one more byte here |
| 914 | p1 += a2; |
| 915 | p2 += a2; |
| 916 | while ((s32)a2-- > 0) *--p1 = *--p2; |
| 917 | } else { |
| 918 | while ((s32)a2-- > 0) *p1++ = *p2++; |
| 919 | } |
| 920 | pc0 = ra; |
| 921 | } |
| 922 | |
| 923 | void psxBios_memcmp() { // 0x2d |
| 924 | psxBios_bcmp(); |
| 925 | } |
| 926 | |
| 927 | void psxBios_memchr() { // 0x2e |
| 928 | char *p = (char *)Ra0; |
| 929 | |
| 930 | if (a0 == 0 || a2 > 0x7FFFFFFF) |
| 931 | { |
| 932 | pc0 = ra; |
| 933 | return; |
| 934 | } |
| 935 | |
| 936 | while ((s32)a2-- > 0) { |
| 937 | if (*p++ != (s8)a1) continue; |
| 938 | v0 = a0 + (p - (char *)Ra0 - 1); |
| 939 | pc0 = ra; |
| 940 | return; |
| 941 | } |
| 942 | |
| 943 | v0 = 0; pc0 = ra; |
| 944 | } |
| 945 | |
| 946 | void psxBios_rand() { // 0x2f |
| 947 | u32 s = psxMu32(0x9010) * 1103515245 + 12345; |
| 948 | v0 = (s >> 16) & 0x7fff; |
| 949 | psxMu32ref(0x9010) = SWAPu32(s); |
| 950 | pc0 = ra; |
| 951 | } |
| 952 | |
| 953 | void psxBios_srand() { // 0x30 |
| 954 | psxMu32ref(0x9010) = SWAPu32(a0); |
| 955 | pc0 = ra; |
| 956 | } |
| 957 | |
| 958 | static u32 qscmpfunc, qswidth; |
| 959 | |
| 960 | static inline int qscmp(char *a, char *b) { |
| 961 | u32 sa0 = a0; |
| 962 | |
| 963 | a0 = sa0 + (a - (char *)PSXM(sa0)); |
| 964 | a1 = sa0 + (b - (char *)PSXM(sa0)); |
| 965 | |
| 966 | softCall2(qscmpfunc); |
| 967 | |
| 968 | a0 = sa0; |
| 969 | return (s32)v0; |
| 970 | } |
| 971 | |
| 972 | static inline void qexchange(char *i, char *j) { |
| 973 | char t; |
| 974 | int n = qswidth; |
| 975 | |
| 976 | do { |
| 977 | t = *i; |
| 978 | *i++ = *j; |
| 979 | *j++ = t; |
| 980 | } while (--n); |
| 981 | } |
| 982 | |
| 983 | static inline void q3exchange(char *i, char *j, char *k) { |
| 984 | char t; |
| 985 | int n = qswidth; |
| 986 | |
| 987 | do { |
| 988 | t = *i; |
| 989 | *i++ = *k; |
| 990 | *k++ = *j; |
| 991 | *j++ = t; |
| 992 | } while (--n); |
| 993 | } |
| 994 | |
| 995 | static void qsort_main(char *a, char *l) { |
| 996 | char *i, *j, *lp, *hp; |
| 997 | int c; |
| 998 | unsigned int n; |
| 999 | |
| 1000 | start: |
| 1001 | if ((n = l - a) <= qswidth) |
| 1002 | return; |
| 1003 | n = qswidth * (n / (2 * qswidth)); |
| 1004 | hp = lp = a + n; |
| 1005 | i = a; |
| 1006 | j = l - qswidth; |
| 1007 | while (TRUE) { |
| 1008 | if (i < lp) { |
| 1009 | if ((c = qscmp(i, lp)) == 0) { |
| 1010 | qexchange(i, lp -= qswidth); |
| 1011 | continue; |
| 1012 | } |
| 1013 | if (c < 0) { |
| 1014 | i += qswidth; |
| 1015 | continue; |
| 1016 | } |
| 1017 | } |
| 1018 | |
| 1019 | loop: |
| 1020 | if (j > hp) { |
| 1021 | if ((c = qscmp(hp, j)) == 0) { |
| 1022 | qexchange(hp += qswidth, j); |
| 1023 | goto loop; |
| 1024 | } |
| 1025 | if (c > 0) { |
| 1026 | if (i == lp) { |
| 1027 | q3exchange(i, hp += qswidth, j); |
| 1028 | i = lp += qswidth; |
| 1029 | goto loop; |
| 1030 | } |
| 1031 | qexchange(i, j); |
| 1032 | j -= qswidth; |
| 1033 | i += qswidth; |
| 1034 | continue; |
| 1035 | } |
| 1036 | j -= qswidth; |
| 1037 | goto loop; |
| 1038 | } |
| 1039 | |
| 1040 | if (i == lp) { |
| 1041 | if (lp - a >= l - hp) { |
| 1042 | qsort_main(hp + qswidth, l); |
| 1043 | l = lp; |
| 1044 | } else { |
| 1045 | qsort_main(a, lp); |
| 1046 | a = hp + qswidth; |
| 1047 | } |
| 1048 | goto start; |
| 1049 | } |
| 1050 | |
| 1051 | q3exchange(j, lp -= qswidth, i); |
| 1052 | j = hp -= qswidth; |
| 1053 | } |
| 1054 | } |
| 1055 | |
| 1056 | void psxBios_qsort() { // 0x31 |
| 1057 | qswidth = a2; |
| 1058 | qscmpfunc = a3; |
| 1059 | qsort_main((char *)Ra0, (char *)Ra0 + a1 * a2); |
| 1060 | |
| 1061 | pc0 = ra; |
| 1062 | } |
| 1063 | |
| 1064 | void psxBios_malloc() { // 0x33 |
| 1065 | unsigned int *chunk, *newchunk = NULL; |
| 1066 | unsigned int dsize = 0, csize, cstat; |
| 1067 | int colflag; |
| 1068 | #ifdef PSXBIOS_LOG |
| 1069 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x33]); |
| 1070 | #endif |
| 1071 | if (!a0 || (!heap_size || !heap_addr)) { |
| 1072 | v0 = 0; |
| 1073 | pc0 = ra; |
| 1074 | return; |
| 1075 | } |
| 1076 | |
| 1077 | // scan through heap and combine free chunks of space |
| 1078 | chunk = heap_addr; |
| 1079 | colflag = 0; |
| 1080 | while(chunk < heap_end) { |
| 1081 | // get size and status of actual chunk |
| 1082 | csize = ((u32)*chunk) & 0xfffffffc; |
| 1083 | cstat = ((u32)*chunk) & 1; |
| 1084 | |
| 1085 | // most probably broken heap descriptor |
| 1086 | // this fixes Burning Road |
| 1087 | if (*chunk == 0) { |
| 1088 | newchunk = chunk; |
| 1089 | dsize = ((uptr)heap_end - (uptr)chunk) - 4; |
| 1090 | colflag = 1; |
| 1091 | break; |
| 1092 | } |
| 1093 | |
| 1094 | // it's a free chunk |
| 1095 | if(cstat == 1) { |
| 1096 | if(colflag == 0) { |
| 1097 | newchunk = chunk; |
| 1098 | dsize = csize; |
| 1099 | colflag = 1; // let's begin a new collection of free memory |
| 1100 | } |
| 1101 | else dsize += (csize+4); // add the new size including header |
| 1102 | } |
| 1103 | // not a free chunk: did we start a collection ? |
| 1104 | else { |
| 1105 | if(colflag == 1) { // collection is over |
| 1106 | colflag = 0; |
| 1107 | *newchunk = SWAP32(dsize | 1); |
| 1108 | } |
| 1109 | } |
| 1110 | |
| 1111 | // next chunk |
| 1112 | chunk = (u32*)((uptr)chunk + csize + 4); |
| 1113 | } |
| 1114 | // if neccessary free memory on end of heap |
| 1115 | if (colflag == 1) |
| 1116 | *newchunk = SWAP32(dsize | 1); |
| 1117 | |
| 1118 | chunk = heap_addr; |
| 1119 | csize = ((u32)*chunk) & 0xfffffffc; |
| 1120 | cstat = ((u32)*chunk) & 1; |
| 1121 | dsize = (a0 + 3) & 0xfffffffc; |
| 1122 | |
| 1123 | // exit on uninitialized heap |
| 1124 | if (chunk == NULL) { |
| 1125 | printf("malloc %x,%x: Uninitialized Heap!\n", v0, a0); |
| 1126 | v0 = 0; |
| 1127 | pc0 = ra; |
| 1128 | return; |
| 1129 | } |
| 1130 | |
| 1131 | // search an unused chunk that is big enough until the end of the heap |
| 1132 | while ((dsize > csize || cstat==0) && chunk < heap_end ) { |
| 1133 | chunk = (u32*)((uptr)chunk + csize + 4); |
| 1134 | |
| 1135 | // catch out of memory |
| 1136 | if(chunk >= heap_end) { |
| 1137 | printf("malloc %x,%x: Out of memory error!\n", |
| 1138 | v0, a0); |
| 1139 | v0 = 0; pc0 = ra; |
| 1140 | return; |
| 1141 | } |
| 1142 | |
| 1143 | csize = ((u32)*chunk) & 0xfffffffc; |
| 1144 | cstat = ((u32)*chunk) & 1; |
| 1145 | } |
| 1146 | |
| 1147 | // allocate memory |
| 1148 | if(dsize == csize) { |
| 1149 | // chunk has same size |
| 1150 | *chunk &= 0xfffffffc; |
| 1151 | } else if (dsize > csize) { |
| 1152 | v0 = 0; pc0 = ra; |
| 1153 | return; |
| 1154 | } else { |
| 1155 | // split free chunk |
| 1156 | *chunk = SWAP32(dsize); |
| 1157 | newchunk = (u32*)((uptr)chunk + dsize + 4); |
| 1158 | *newchunk = SWAP32(((csize - dsize - 4) & 0xfffffffc) | 1); |
| 1159 | } |
| 1160 | |
| 1161 | // return pointer to allocated memory |
| 1162 | v0 = ((uptr)chunk - (uptr)psxM) + 4; |
| 1163 | v0|= 0x80000000; |
| 1164 | //printf ("malloc %x,%x\n", v0, a0); |
| 1165 | pc0 = ra; |
| 1166 | } |
| 1167 | |
| 1168 | void psxBios_free() { // 0x34 |
| 1169 | |
| 1170 | #ifdef PSXBIOS_LOG |
| 1171 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x34]); |
| 1172 | #endif |
| 1173 | |
| 1174 | SysPrintf("free %x: %x bytes\n", a0, *(u32*)(Ra0-4)); |
| 1175 | |
| 1176 | if (a0) |
| 1177 | *(u32*)(Ra0-4) |= 1; // set chunk to free |
| 1178 | pc0 = ra; |
| 1179 | } |
| 1180 | |
| 1181 | void psxBios_calloc() { // 0x37 |
| 1182 | void *pv0; |
| 1183 | #ifdef PSXBIOS_LOG |
| 1184 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x37]); |
| 1185 | #endif |
| 1186 | |
| 1187 | a0 = a0 * a1; |
| 1188 | psxBios_malloc(); |
| 1189 | pv0 = Rv0; |
| 1190 | if (pv0) |
| 1191 | memset(pv0, 0, a0); |
| 1192 | } |
| 1193 | |
| 1194 | void psxBios_realloc() { // 0x38 |
| 1195 | u32 block = a0; |
| 1196 | u32 size = a1; |
| 1197 | #ifdef PSXBIOS_LOG |
| 1198 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x38]); |
| 1199 | #endif |
| 1200 | |
| 1201 | a0 = block; |
| 1202 | /* If "old_buf" is zero, executes malloc(new_size), and returns r2=new_buf (or 0=failed). */ |
| 1203 | if (block == 0) |
| 1204 | { |
| 1205 | psxBios_malloc(); |
| 1206 | } |
| 1207 | /* Else, if "new_size" is zero, executes free(old_buf), and returns r2=garbage. */ |
| 1208 | else if (size == 0) |
| 1209 | { |
| 1210 | psxBios_free(); |
| 1211 | } |
| 1212 | /* Else, executes malloc(new_size), bcopy(old_buf,new_buf,new_size), and free(old_buf), and returns r2=new_buf (or 0=failed). */ |
| 1213 | /* Note that it is not quite implemented this way here. */ |
| 1214 | else |
| 1215 | { |
| 1216 | psxBios_free(); |
| 1217 | a0 = size; |
| 1218 | psxBios_malloc(); |
| 1219 | } |
| 1220 | } |
| 1221 | |
| 1222 | |
| 1223 | /* InitHeap(void *block , int n) */ |
| 1224 | void psxBios_InitHeap() { // 0x39 |
| 1225 | unsigned int size; |
| 1226 | |
| 1227 | #ifdef PSXBIOS_LOG |
| 1228 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x39]); |
| 1229 | #endif |
| 1230 | |
| 1231 | if (((a0 & 0x1fffff) + a1)>= 0x200000) size = 0x1ffffc - (a0 & 0x1fffff); |
| 1232 | else size = a1; |
| 1233 | |
| 1234 | size &= 0xfffffffc; |
| 1235 | |
| 1236 | heap_addr = (u32 *)Ra0; |
| 1237 | heap_size = size; |
| 1238 | heap_end = (u32 *)((u8 *)heap_addr + heap_size); |
| 1239 | /* HACKFIX: Commenting out this line fixes GTA2 crash */ |
| 1240 | //*heap_addr = SWAP32(size | 1); |
| 1241 | |
| 1242 | SysPrintf("InitHeap %x,%x : %x %x\n",a0,a1, (int)((uptr)heap_addr-(uptr)psxM), size); |
| 1243 | |
| 1244 | pc0 = ra; |
| 1245 | } |
| 1246 | |
| 1247 | void psxBios_getchar() { //0x3b |
| 1248 | v0 = getchar(); pc0 = ra; |
| 1249 | } |
| 1250 | |
| 1251 | void psxBios_printf() { // 0x3f |
| 1252 | char tmp[1024]; |
| 1253 | char tmp2[1024]; |
| 1254 | u32 save[4]; |
| 1255 | char *ptmp = tmp; |
| 1256 | int n=1, i=0, j; |
| 1257 | void *psp; |
| 1258 | |
| 1259 | psp = PSXM(sp); |
| 1260 | if (psp) { |
| 1261 | memcpy(save, psp, 4 * 4); |
| 1262 | psxMu32ref(sp) = SWAP32((u32)a0); |
| 1263 | psxMu32ref(sp + 4) = SWAP32((u32)a1); |
| 1264 | psxMu32ref(sp + 8) = SWAP32((u32)a2); |
| 1265 | psxMu32ref(sp + 12) = SWAP32((u32)a3); |
| 1266 | } |
| 1267 | |
| 1268 | while (Ra0[i]) { |
| 1269 | switch (Ra0[i]) { |
| 1270 | case '%': |
| 1271 | j = 0; |
| 1272 | tmp2[j++] = '%'; |
| 1273 | _start: |
| 1274 | switch (Ra0[++i]) { |
| 1275 | case '.': |
| 1276 | case 'l': |
| 1277 | tmp2[j++] = Ra0[i]; goto _start; |
| 1278 | default: |
| 1279 | if (Ra0[i] >= '0' && Ra0[i] <= '9') { |
| 1280 | tmp2[j++] = Ra0[i]; |
| 1281 | goto _start; |
| 1282 | } |
| 1283 | break; |
| 1284 | } |
| 1285 | tmp2[j++] = Ra0[i]; |
| 1286 | tmp2[j] = 0; |
| 1287 | |
| 1288 | switch (Ra0[i]) { |
| 1289 | case 'f': case 'F': |
| 1290 | ptmp += sprintf(ptmp, tmp2, (float)psxMu32(sp + n * 4)); n++; break; |
| 1291 | case 'a': case 'A': |
| 1292 | case 'e': case 'E': |
| 1293 | case 'g': case 'G': |
| 1294 | ptmp += sprintf(ptmp, tmp2, (double)psxMu32(sp + n * 4)); n++; break; |
| 1295 | case 'p': |
| 1296 | case 'i': case 'u': |
| 1297 | case 'd': case 'D': |
| 1298 | case 'o': case 'O': |
| 1299 | case 'x': case 'X': |
| 1300 | ptmp += sprintf(ptmp, tmp2, (unsigned int)psxMu32(sp + n * 4)); n++; break; |
| 1301 | case 'c': |
| 1302 | ptmp += sprintf(ptmp, tmp2, (unsigned char)psxMu32(sp + n * 4)); n++; break; |
| 1303 | case 's': |
| 1304 | ptmp += sprintf(ptmp, tmp2, (char*)PSXM(psxMu32(sp + n * 4))); n++; break; |
| 1305 | case '%': |
| 1306 | *ptmp++ = Ra0[i]; break; |
| 1307 | } |
| 1308 | i++; |
| 1309 | break; |
| 1310 | default: |
| 1311 | *ptmp++ = Ra0[i++]; |
| 1312 | } |
| 1313 | } |
| 1314 | *ptmp = 0; |
| 1315 | |
| 1316 | if (psp) |
| 1317 | memcpy(psp, save, 4 * 4); |
| 1318 | |
| 1319 | SysPrintf("%s", tmp); |
| 1320 | |
| 1321 | pc0 = ra; |
| 1322 | } |
| 1323 | |
| 1324 | void psxBios_format() { // 0x41 |
| 1325 | if (strcmp(Ra0, "bu00:") == 0 && Config.Mcd1[0] != '\0') |
| 1326 | { |
| 1327 | CreateMcd(Config.Mcd1); |
| 1328 | LoadMcd(1, Config.Mcd1); |
| 1329 | v0 = 1; |
| 1330 | } |
| 1331 | else if (strcmp(Ra0, "bu10:") == 0 && Config.Mcd2[0] != '\0') |
| 1332 | { |
| 1333 | CreateMcd(Config.Mcd2); |
| 1334 | LoadMcd(2, Config.Mcd2); |
| 1335 | v0 = 1; |
| 1336 | } |
| 1337 | else |
| 1338 | { |
| 1339 | v0 = 0; |
| 1340 | } |
| 1341 | pc0 = ra; |
| 1342 | } |
| 1343 | |
| 1344 | /* |
| 1345 | * long Load(char *name, struct EXEC *header); |
| 1346 | */ |
| 1347 | |
| 1348 | void psxBios_Load() { // 0x42 |
| 1349 | EXE_HEADER eheader; |
| 1350 | void *pa1; |
| 1351 | |
| 1352 | #ifdef PSXBIOS_LOG |
| 1353 | PSXBIOS_LOG("psxBios_%s: %s, %x\n", biosA0n[0x42], Ra0, a1); |
| 1354 | #endif |
| 1355 | |
| 1356 | pa1 = Ra1; |
| 1357 | if (pa1 && LoadCdromFile(Ra0, &eheader) == 0) { |
| 1358 | memcpy(pa1, ((char*)&eheader)+16, sizeof(EXEC)); |
| 1359 | v0 = 1; |
| 1360 | } else v0 = 0; |
| 1361 | |
| 1362 | pc0 = ra; |
| 1363 | } |
| 1364 | |
| 1365 | /* |
| 1366 | * int Exec(struct EXEC *header , int argc , char **argv); |
| 1367 | */ |
| 1368 | |
| 1369 | void psxBios_Exec() { // 43 |
| 1370 | EXEC *header = (EXEC*)Ra0; |
| 1371 | u32 tmp; |
| 1372 | |
| 1373 | #ifdef PSXBIOS_LOG |
| 1374 | PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosA0n[0x43], a0, a1, a2); |
| 1375 | #endif |
| 1376 | |
| 1377 | header->_sp = sp; |
| 1378 | header->_fp = fp; |
| 1379 | header->_sp = sp; |
| 1380 | header->_gp = gp; |
| 1381 | header->ret = ra; |
| 1382 | header->base = s0; |
| 1383 | |
| 1384 | if (header->S_addr != 0) { |
| 1385 | tmp = header->S_addr + header->s_size; |
| 1386 | sp = tmp; |
| 1387 | fp = sp; |
| 1388 | } |
| 1389 | |
| 1390 | gp = header->gp0; |
| 1391 | |
| 1392 | s0 = a0; |
| 1393 | |
| 1394 | a0 = a1; |
| 1395 | a1 = a2; |
| 1396 | |
| 1397 | ra = 0x8000; |
| 1398 | pc0 = header->_pc0; |
| 1399 | } |
| 1400 | |
| 1401 | void psxBios_FlushCache() { // 44 |
| 1402 | #ifdef PSXBIOS_LOG |
| 1403 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x44]); |
| 1404 | #endif |
| 1405 | |
| 1406 | pc0 = ra; |
| 1407 | } |
| 1408 | |
| 1409 | void psxBios_GPU_dw() { // 0x46 |
| 1410 | int size; |
| 1411 | s32 *ptr; |
| 1412 | |
| 1413 | #ifdef PSXBIOS_LOG |
| 1414 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x46]); |
| 1415 | #endif |
| 1416 | |
| 1417 | GPU_writeData(0xa0000000); |
| 1418 | GPU_writeData((a1<<16)|(a0&0xffff)); |
| 1419 | GPU_writeData((a3<<16)|(a2&0xffff)); |
| 1420 | size = (a2*a3+1)/2; |
| 1421 | ptr = (s32*)PSXM(Rsp[4]); //that is correct? |
| 1422 | do { |
| 1423 | GPU_writeData(SWAP32(*ptr)); |
| 1424 | ptr++; |
| 1425 | } while(--size); |
| 1426 | |
| 1427 | pc0 = ra; |
| 1428 | } |
| 1429 | |
| 1430 | void psxBios_mem2vram() { // 0x47 |
| 1431 | int size; |
| 1432 | |
| 1433 | GPU_writeData(0xa0000000); |
| 1434 | GPU_writeData((a1<<16)|(a0&0xffff)); |
| 1435 | GPU_writeData((a3<<16)|(a2&0xffff)); |
| 1436 | size = (a2*a3+1)/2; |
| 1437 | GPU_writeStatus(0x04000002); |
| 1438 | psxHwWrite32(0x1f8010f4,0); |
| 1439 | psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800); |
| 1440 | psxHwWrite32(0x1f8010a0,Rsp[4]);//might have a buggy... |
| 1441 | psxHwWrite32(0x1f8010a4,((size/16)<<16)|16); |
| 1442 | psxHwWrite32(0x1f8010a8,0x01000201); |
| 1443 | |
| 1444 | pc0 = ra; |
| 1445 | } |
| 1446 | |
| 1447 | void psxBios_SendGPU() { // 0x48 |
| 1448 | GPU_writeStatus(a0); |
| 1449 | gpuSyncPluginSR(); |
| 1450 | pc0 = ra; |
| 1451 | } |
| 1452 | |
| 1453 | void psxBios_GPU_cw() { // 0x49 |
| 1454 | GPU_writeData(a0); |
| 1455 | pc0 = ra; |
| 1456 | } |
| 1457 | |
| 1458 | void psxBios_GPU_cwb() { // 0x4a |
| 1459 | s32 *ptr = (s32*)Ra0; |
| 1460 | int size = a1; |
| 1461 | while(size--) { |
| 1462 | GPU_writeData(SWAP32(*ptr)); |
| 1463 | ptr++; |
| 1464 | } |
| 1465 | |
| 1466 | pc0 = ra; |
| 1467 | } |
| 1468 | |
| 1469 | void psxBios_GPU_SendPackets() { //4b: |
| 1470 | GPU_writeStatus(0x04000002); |
| 1471 | psxHwWrite32(0x1f8010f4,0); |
| 1472 | psxHwWrite32(0x1f8010f0,psxHwRead32(0x1f8010f0)|0x800); |
| 1473 | psxHwWrite32(0x1f8010a0,a0); |
| 1474 | psxHwWrite32(0x1f8010a4,0); |
| 1475 | psxHwWrite32(0x1f8010a8,0x010000401); |
| 1476 | pc0 = ra; |
| 1477 | } |
| 1478 | |
| 1479 | void psxBios_sys_a0_4c() { // 0x4c GPU relate |
| 1480 | psxHwWrite32(0x1f8010a8,0x00000401); |
| 1481 | GPU_writeData(0x0400000); |
| 1482 | GPU_writeData(0x0200000); |
| 1483 | GPU_writeData(0x0100000); |
| 1484 | v0 = 0x1f801814; |
| 1485 | pc0 = ra; |
| 1486 | } |
| 1487 | |
| 1488 | void psxBios_GPU_GetGPUStatus() { // 0x4d |
| 1489 | v0 = GPU_readStatus(); |
| 1490 | pc0 = ra; |
| 1491 | } |
| 1492 | |
| 1493 | #undef s_addr |
| 1494 | |
| 1495 | void psxBios_LoadExec() { // 51 |
| 1496 | EXEC *header = (EXEC*)PSXM(0xf000); |
| 1497 | u32 s_addr, s_size; |
| 1498 | |
| 1499 | #ifdef PSXBIOS_LOG |
| 1500 | PSXBIOS_LOG("psxBios_%s: %s: %x,%x\n", biosA0n[0x51], Ra0, a1, a2); |
| 1501 | #endif |
| 1502 | s_addr = a1; s_size = a2; |
| 1503 | |
| 1504 | a1 = 0xf000; |
| 1505 | psxBios_Load(); |
| 1506 | |
| 1507 | header->S_addr = s_addr; |
| 1508 | header->s_size = s_size; |
| 1509 | |
| 1510 | a0 = 0xf000; a1 = 0; a2 = 0; |
| 1511 | psxBios_Exec(); |
| 1512 | } |
| 1513 | |
| 1514 | void psxBios__bu_init() { // 70 |
| 1515 | #ifdef PSXBIOS_LOG |
| 1516 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x70]); |
| 1517 | #endif |
| 1518 | |
| 1519 | DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 |
| 1520 | DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 |
| 1521 | |
| 1522 | pc0 = ra; |
| 1523 | } |
| 1524 | |
| 1525 | void psxBios__96_init() { // 71 |
| 1526 | #ifdef PSXBIOS_LOG |
| 1527 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x71]); |
| 1528 | #endif |
| 1529 | |
| 1530 | pc0 = ra; |
| 1531 | } |
| 1532 | |
| 1533 | void psxBios__96_remove() { // 72 |
| 1534 | #ifdef PSXBIOS_LOG |
| 1535 | PSXBIOS_LOG("psxBios_%s\n", biosA0n[0x72]); |
| 1536 | #endif |
| 1537 | |
| 1538 | pc0 = ra; |
| 1539 | } |
| 1540 | |
| 1541 | void psxBios_SetMem() { // 9f |
| 1542 | u32 new = psxHu32(0x1060); |
| 1543 | |
| 1544 | #ifdef PSXBIOS_LOG |
| 1545 | PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosA0n[0x9f], a0, a1); |
| 1546 | #endif |
| 1547 | |
| 1548 | switch(a0) { |
| 1549 | case 2: |
| 1550 | psxHu32ref(0x1060) = SWAP32(new); |
| 1551 | psxMu32ref(0x060) = a0; |
| 1552 | SysPrintf("Change effective memory : %d MBytes\n",a0); |
| 1553 | break; |
| 1554 | |
| 1555 | case 8: |
| 1556 | psxHu32ref(0x1060) = SWAP32(new | 0x300); |
| 1557 | psxMu32ref(0x060) = a0; |
| 1558 | SysPrintf("Change effective memory : %d MBytes\n",a0); |
| 1559 | |
| 1560 | default: |
| 1561 | SysPrintf("Effective memory must be 2/8 MBytes\n"); |
| 1562 | break; |
| 1563 | } |
| 1564 | |
| 1565 | pc0 = ra; |
| 1566 | } |
| 1567 | |
| 1568 | /* TODO FIXME : Not compliant. -1 indicates failure but using 1 for now. */ |
| 1569 | void psxBios_get_cd_status(void) //a6 |
| 1570 | { |
| 1571 | v0 = 1; |
| 1572 | pc0 = ra; |
| 1573 | } |
| 1574 | |
| 1575 | void psxBios__card_info() { // ab |
| 1576 | #ifdef PSXBIOS_LOG |
| 1577 | PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0); |
| 1578 | #endif |
| 1579 | u32 ret, port; |
| 1580 | card_active_chan = a0; |
| 1581 | port = card_active_chan >> 4; |
| 1582 | |
| 1583 | switch (port) { |
| 1584 | case 0x0: |
| 1585 | case 0x1: |
| 1586 | ret = 0x2; |
| 1587 | if (McdDisable[port & 1]) |
| 1588 | ret = 0x8; |
| 1589 | break; |
| 1590 | default: |
| 1591 | #ifdef PSXBIOS_LOG |
| 1592 | PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan); |
| 1593 | #endif |
| 1594 | ret = 0x11; |
| 1595 | break; |
| 1596 | } |
| 1597 | |
| 1598 | if (McdDisable[0] && McdDisable[1]) |
| 1599 | ret = 0x8; |
| 1600 | |
| 1601 | DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 |
| 1602 | // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 |
| 1603 | DeliverEvent(0x81, ret); // 0xf4000001, 0x0004 |
| 1604 | v0 = 1; pc0 = ra; |
| 1605 | } |
| 1606 | |
| 1607 | void psxBios__card_load() { // ac |
| 1608 | #ifdef PSXBIOS_LOG |
| 1609 | PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xac], a0); |
| 1610 | #endif |
| 1611 | |
| 1612 | card_active_chan = a0; |
| 1613 | |
| 1614 | // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 |
| 1615 | DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 |
| 1616 | |
| 1617 | v0 = 1; pc0 = ra; |
| 1618 | } |
| 1619 | |
| 1620 | /* System calls B0 */ |
| 1621 | |
| 1622 | void psxBios_SetRCnt() { // 02 |
| 1623 | #ifdef PSXBIOS_LOG |
| 1624 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x02]); |
| 1625 | #endif |
| 1626 | |
| 1627 | a0&= 0x3; |
| 1628 | if (a0 != 3) { |
| 1629 | u32 mode=0; |
| 1630 | |
| 1631 | psxRcntWtarget(a0, a1); |
| 1632 | if (a2&0x1000) mode|= 0x050; // Interrupt Mode |
| 1633 | if (a2&0x0100) mode|= 0x008; // Count to 0xffff |
| 1634 | if (a2&0x0010) mode|= 0x001; // Timer stop mode |
| 1635 | if (a0 == 2) { if (a2&0x0001) mode|= 0x200; } // System Clock mode |
| 1636 | else { if (a2&0x0001) mode|= 0x100; } // System Clock mode |
| 1637 | |
| 1638 | psxRcntWmode(a0, mode); |
| 1639 | } |
| 1640 | pc0 = ra; |
| 1641 | } |
| 1642 | |
| 1643 | void psxBios_GetRCnt() { // 03 |
| 1644 | #ifdef PSXBIOS_LOG |
| 1645 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x03]); |
| 1646 | #endif |
| 1647 | |
| 1648 | a0&= 0x3; |
| 1649 | if (a0 != 3) v0 = psxRcntRcount(a0); |
| 1650 | else v0 = 0; |
| 1651 | pc0 = ra; |
| 1652 | } |
| 1653 | |
| 1654 | void psxBios_StartRCnt() { // 04 |
| 1655 | #ifdef PSXBIOS_LOG |
| 1656 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x04]); |
| 1657 | #endif |
| 1658 | |
| 1659 | a0&= 0x3; |
| 1660 | if (a0 != 3) psxHu32ref(0x1074)|= SWAP32((u32)((1<<(a0+4)))); |
| 1661 | else psxHu32ref(0x1074)|= SWAPu32(0x1); |
| 1662 | v0 = 1; pc0 = ra; |
| 1663 | } |
| 1664 | |
| 1665 | void psxBios_StopRCnt() { // 05 |
| 1666 | #ifdef PSXBIOS_LOG |
| 1667 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x05]); |
| 1668 | #endif |
| 1669 | |
| 1670 | a0&= 0x3; |
| 1671 | if (a0 != 3) psxHu32ref(0x1074)&= SWAP32((u32)(~(1<<(a0+4)))); |
| 1672 | else psxHu32ref(0x1074)&= SWAPu32(~0x1); |
| 1673 | pc0 = ra; |
| 1674 | } |
| 1675 | |
| 1676 | void psxBios_ResetRCnt() { // 06 |
| 1677 | #ifdef PSXBIOS_LOG |
| 1678 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x06]); |
| 1679 | #endif |
| 1680 | |
| 1681 | a0&= 0x3; |
| 1682 | if (a0 != 3) { |
| 1683 | psxRcntWmode(a0, 0); |
| 1684 | psxRcntWtarget(a0, 0); |
| 1685 | psxRcntWcount(a0, 0); |
| 1686 | } |
| 1687 | pc0 = ra; |
| 1688 | } |
| 1689 | |
| 1690 | |
| 1691 | /* gets ev for use with EventCB */ |
| 1692 | #define GetEv() \ |
| 1693 | ev = (a0 >> 24) & 0xf; \ |
| 1694 | if (ev == 0xf) ev = 0x5; \ |
| 1695 | ev*= 32; \ |
| 1696 | ev+= a0&0x1f; |
| 1697 | |
| 1698 | /* gets spec for use with EventCB */ |
| 1699 | #define GetSpec() \ |
| 1700 | spec = 0; \ |
| 1701 | switch (a1) { \ |
| 1702 | case 0x0301: spec = 16; break; \ |
| 1703 | case 0x0302: spec = 17; break; \ |
| 1704 | default: \ |
| 1705 | for (i=0; i<16; i++) if (a1 & (1 << i)) { spec = i; break; } \ |
| 1706 | break; \ |
| 1707 | } |
| 1708 | |
| 1709 | void psxBios_DeliverEvent() { // 07 |
| 1710 | int ev, spec; |
| 1711 | int i; |
| 1712 | |
| 1713 | GetEv(); |
| 1714 | GetSpec(); |
| 1715 | |
| 1716 | #ifdef PSXBIOS_LOG |
| 1717 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x07], ev, spec); |
| 1718 | #endif |
| 1719 | |
| 1720 | DeliverEvent(ev, spec); |
| 1721 | |
| 1722 | pc0 = ra; |
| 1723 | } |
| 1724 | |
| 1725 | void psxBios_OpenEvent() { // 08 |
| 1726 | int ev, spec; |
| 1727 | int i; |
| 1728 | |
| 1729 | GetEv(); |
| 1730 | GetSpec(); |
| 1731 | |
| 1732 | #ifdef PSXBIOS_LOG |
| 1733 | PSXBIOS_LOG("psxBios_%s %x,%x (class:%x, spec:%x, mode:%x, func:%x)\n", biosB0n[0x08], ev, spec, a0, a1, a2, a3); |
| 1734 | #endif |
| 1735 | |
| 1736 | EventCB[ev][spec].status = EvStWAIT; |
| 1737 | EventCB[ev][spec].mode = a2; |
| 1738 | EventCB[ev][spec].fhandler = a3; |
| 1739 | |
| 1740 | v0 = ev | (spec << 8); |
| 1741 | pc0 = ra; |
| 1742 | } |
| 1743 | |
| 1744 | void psxBios_CloseEvent() { // 09 |
| 1745 | int ev, spec; |
| 1746 | |
| 1747 | ev = a0 & 0xff; |
| 1748 | spec = (a0 >> 8) & 0xff; |
| 1749 | |
| 1750 | #ifdef PSXBIOS_LOG |
| 1751 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x09], ev, spec); |
| 1752 | #endif |
| 1753 | |
| 1754 | EventCB[ev][spec].status = EvStUNUSED; |
| 1755 | |
| 1756 | v0 = 1; pc0 = ra; |
| 1757 | } |
| 1758 | |
| 1759 | void psxBios_WaitEvent() { // 0a |
| 1760 | int ev, spec; |
| 1761 | |
| 1762 | ev = a0 & 0xff; |
| 1763 | spec = (a0 >> 8) & 0xff; |
| 1764 | #ifdef PSXBIOS_LOG |
| 1765 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0a], ev, spec); |
| 1766 | #endif |
| 1767 | if (EventCB[ev][spec].status == EvStUNUSED) |
| 1768 | { |
| 1769 | v0 = 0; |
| 1770 | pc0 = ra; |
| 1771 | return; |
| 1772 | } |
| 1773 | |
| 1774 | if (EventCB[ev][spec].status == EvStALREADY) |
| 1775 | { |
| 1776 | /* Callback events (mode=EvMdINTR) do never set the ready flag (and thus WaitEvent would hang forever). */ |
| 1777 | if (!(EventCB[ev][spec].mode == EvMdINTR)) EventCB[ev][spec].status = EvStACTIVE; |
| 1778 | v0 = 1; |
| 1779 | pc0 = ra; |
| 1780 | return; |
| 1781 | } |
| 1782 | |
| 1783 | v0 = 0; |
| 1784 | pc0 = ra; |
| 1785 | } |
| 1786 | |
| 1787 | void psxBios_TestEvent() { // 0b |
| 1788 | int ev, spec; |
| 1789 | |
| 1790 | ev = a0 & 0xff; |
| 1791 | spec = (a0 >> 8) & 0xff; |
| 1792 | |
| 1793 | if (EventCB[ev][spec].status == EvStALREADY) |
| 1794 | { |
| 1795 | if (!(EventCB[ev][spec].mode == EvMdINTR)) EventCB[ev][spec].status = EvStACTIVE; |
| 1796 | v0 = 1; |
| 1797 | } |
| 1798 | else |
| 1799 | { |
| 1800 | v0 = 0; |
| 1801 | } |
| 1802 | |
| 1803 | #ifdef PSXBIOS_LOG |
| 1804 | PSXBIOS_LOG("psxBios_%s %x,%x: %x\n", biosB0n[0x0b], ev, spec, v0); |
| 1805 | #endif |
| 1806 | |
| 1807 | pc0 = ra; |
| 1808 | } |
| 1809 | |
| 1810 | void psxBios_EnableEvent() { // 0c |
| 1811 | int ev, spec; |
| 1812 | |
| 1813 | ev = a0 & 0xff; |
| 1814 | spec = (a0 >> 8) & 0xff; |
| 1815 | |
| 1816 | #ifdef PSXBIOS_LOG |
| 1817 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0c], ev, spec); |
| 1818 | #endif |
| 1819 | |
| 1820 | EventCB[ev][spec].status = EvStACTIVE; |
| 1821 | |
| 1822 | v0 = 1; pc0 = ra; |
| 1823 | } |
| 1824 | |
| 1825 | void psxBios_DisableEvent() { // 0d |
| 1826 | int ev, spec; |
| 1827 | |
| 1828 | ev = a0 & 0xff; |
| 1829 | spec = (a0 >> 8) & 0xff; |
| 1830 | |
| 1831 | #ifdef PSXBIOS_LOG |
| 1832 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x0d], ev, spec); |
| 1833 | #endif |
| 1834 | |
| 1835 | EventCB[ev][spec].status = EvStWAIT; |
| 1836 | |
| 1837 | v0 = 1; pc0 = ra; |
| 1838 | } |
| 1839 | |
| 1840 | /* |
| 1841 | * long OpenTh(long (*func)(), unsigned long sp, unsigned long gp); |
| 1842 | */ |
| 1843 | |
| 1844 | void psxBios_OpenTh() { // 0e |
| 1845 | int th; |
| 1846 | |
| 1847 | for (th=1; th<8; th++) |
| 1848 | { |
| 1849 | if (ThreadCB[th].status == 0) break; |
| 1850 | |
| 1851 | } |
| 1852 | if (th == 8) { |
| 1853 | // Feb 2019 - Added out-of-bounds fix caught by cppcheck: |
| 1854 | // When no free TCB is found, return 0xffffffff according to Nocash doc. |
| 1855 | #ifdef PSXBIOS_LOG |
| 1856 | PSXBIOS_LOG("\t%s() WARNING! No Free TCBs found!\n", __func__); |
| 1857 | #endif |
| 1858 | v0 = 0xffffffff; |
| 1859 | pc0 = ra; |
| 1860 | return; |
| 1861 | } |
| 1862 | #ifdef PSXBIOS_LOG |
| 1863 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0e], th); |
| 1864 | #endif |
| 1865 | |
| 1866 | ThreadCB[th].status = 1; |
| 1867 | ThreadCB[th].func = a0; |
| 1868 | ThreadCB[th].reg[29] = a1; |
| 1869 | ThreadCB[th].reg[28] = a2; |
| 1870 | |
| 1871 | v0 = th; pc0 = ra; |
| 1872 | } |
| 1873 | |
| 1874 | /* |
| 1875 | * int CloseTh(long thread); |
| 1876 | */ |
| 1877 | |
| 1878 | void psxBios_CloseTh() { // 0f |
| 1879 | int th = a0 & 0xff; |
| 1880 | |
| 1881 | #ifdef PSXBIOS_LOG |
| 1882 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x0f], th); |
| 1883 | #endif |
| 1884 | /* The return value is always 1 (even if the handle was already closed). */ |
| 1885 | v0 = 1; |
| 1886 | if (ThreadCB[th].status != 0) { |
| 1887 | ThreadCB[th].status = 0; |
| 1888 | } |
| 1889 | |
| 1890 | pc0 = ra; |
| 1891 | } |
| 1892 | |
| 1893 | /* |
| 1894 | * int ChangeTh(long thread); |
| 1895 | */ |
| 1896 | |
| 1897 | void psxBios_ChangeTh() { // 10 |
| 1898 | int th = a0 & 0xff; |
| 1899 | |
| 1900 | #ifdef PSXBIOS_LOG |
| 1901 | // PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x10], th); |
| 1902 | #endif |
| 1903 | /* The return value is always 1. */ |
| 1904 | v0 = 1; |
| 1905 | if (ThreadCB[th].status == 0 || CurThread == th) { |
| 1906 | pc0 = ra; |
| 1907 | } else { |
| 1908 | if (ThreadCB[CurThread].status == 2) { |
| 1909 | ThreadCB[CurThread].status = 1; |
| 1910 | ThreadCB[CurThread].func = ra; |
| 1911 | memcpy(ThreadCB[CurThread].reg, psxRegs.GPR.r, 32*4); |
| 1912 | } |
| 1913 | |
| 1914 | memcpy(psxRegs.GPR.r, ThreadCB[th].reg, 32*4); |
| 1915 | pc0 = ThreadCB[th].func; |
| 1916 | ThreadCB[th].status = 2; |
| 1917 | CurThread = th; |
| 1918 | } |
| 1919 | } |
| 1920 | |
| 1921 | void psxBios_InitPAD() { // 0x12 |
| 1922 | #ifdef PSXBIOS_LOG |
| 1923 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x12]); |
| 1924 | #endif |
| 1925 | |
| 1926 | pad_buf1 = (char*)Ra0; |
| 1927 | pad_buf1len = a1; |
| 1928 | pad_buf2 = (char*)Ra2; |
| 1929 | pad_buf2len = a3; |
| 1930 | |
| 1931 | v0 = 1; pc0 = ra; |
| 1932 | } |
| 1933 | |
| 1934 | void psxBios_StartPAD() { // 13 |
| 1935 | #ifdef PSXBIOS_LOG |
| 1936 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x13]); |
| 1937 | #endif |
| 1938 | pad_stopped = 0; |
| 1939 | psxHwWrite16(0x1f801074, (unsigned short)(psxHwRead16(0x1f801074) | 0x1)); |
| 1940 | psxRegs.CP0.n.Status |= 0x401; |
| 1941 | pc0 = ra; |
| 1942 | } |
| 1943 | |
| 1944 | void psxBios_StopPAD() { // 14 |
| 1945 | #ifdef PSXBIOS_LOG |
| 1946 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x14]); |
| 1947 | #endif |
| 1948 | pad_stopped = 1; |
| 1949 | pad_buf1 = NULL; |
| 1950 | pad_buf2 = NULL; |
| 1951 | pc0 = ra; |
| 1952 | } |
| 1953 | |
| 1954 | void psxBios_PAD_init() { // 15 |
| 1955 | #ifdef PSXBIOS_LOG |
| 1956 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x15]); |
| 1957 | #endif |
| 1958 | if (!(a0 == 0x20000000 || a0 == 0x20000001)) |
| 1959 | { |
| 1960 | v0 = 0; |
| 1961 | pc0 = ra; |
| 1962 | return; |
| 1963 | } |
| 1964 | psxHwWrite16(0x1f801074, (u16)(psxHwRead16(0x1f801074) | 0x1)); |
| 1965 | pad_buf = (int *)Ra1; |
| 1966 | *pad_buf = -1; |
| 1967 | psxRegs.CP0.n.Status |= 0x401; |
| 1968 | v0 = 2; |
| 1969 | pc0 = ra; |
| 1970 | } |
| 1971 | |
| 1972 | void psxBios_PAD_dr() { // 16 |
| 1973 | #ifdef PSXBIOS_LOG |
| 1974 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x16]); |
| 1975 | #endif |
| 1976 | |
| 1977 | v0 = -1; pc0 = ra; |
| 1978 | } |
| 1979 | |
| 1980 | void psxBios_ReturnFromException() { // 17 |
| 1981 | LoadRegs(); |
| 1982 | |
| 1983 | pc0 = psxRegs.CP0.n.EPC; |
| 1984 | k0 = interrupt_r26; |
| 1985 | if (psxRegs.CP0.n.Cause & 0x80000000) pc0 += 4; |
| 1986 | |
| 1987 | psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) | |
| 1988 | ((psxRegs.CP0.n.Status & 0x3c) >> 2); |
| 1989 | } |
| 1990 | |
| 1991 | void psxBios_ResetEntryInt() { // 18 |
| 1992 | #ifdef PSXBIOS_LOG |
| 1993 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x18]); |
| 1994 | #endif |
| 1995 | |
| 1996 | jmp_int = NULL; |
| 1997 | pc0 = ra; |
| 1998 | } |
| 1999 | |
| 2000 | void psxBios_HookEntryInt() { // 19 |
| 2001 | #ifdef PSXBIOS_LOG |
| 2002 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x19]); |
| 2003 | #endif |
| 2004 | |
| 2005 | jmp_int = (u32*)Ra0; |
| 2006 | pc0 = ra; |
| 2007 | } |
| 2008 | |
| 2009 | void psxBios_UnDeliverEvent() { // 0x20 |
| 2010 | int ev, spec; |
| 2011 | int i; |
| 2012 | |
| 2013 | GetEv(); |
| 2014 | GetSpec(); |
| 2015 | |
| 2016 | #ifdef PSXBIOS_LOG |
| 2017 | PSXBIOS_LOG("psxBios_%s %x,%x\n", biosB0n[0x20], ev, spec); |
| 2018 | #endif |
| 2019 | |
| 2020 | if (EventCB[ev][spec].status == EvStALREADY && |
| 2021 | EventCB[ev][spec].mode == EvMdNOINTR) |
| 2022 | EventCB[ev][spec].status = EvStACTIVE; |
| 2023 | |
| 2024 | pc0 = ra; |
| 2025 | } |
| 2026 | |
| 2027 | char ffile[64], *pfile; |
| 2028 | int nfile; |
| 2029 | |
| 2030 | static void buopen(int mcd, char *ptr, char *cfg) |
| 2031 | { |
| 2032 | int i; |
| 2033 | char *mcd_data = ptr; |
| 2034 | |
| 2035 | strcpy(FDesc[1 + mcd].name, Ra0+5); |
| 2036 | FDesc[1 + mcd].offset = 0; |
| 2037 | FDesc[1 + mcd].mode = a1; |
| 2038 | |
| 2039 | for (i=1; i<16; i++) { |
| 2040 | const char *fptr = mcd_data + 128 * i; |
| 2041 | if ((*fptr & 0xF0) != 0x50) continue; |
| 2042 | if (strcmp(FDesc[1 + mcd].name, fptr+0xa)) continue; |
| 2043 | FDesc[1 + mcd].mcfile = i; |
| 2044 | SysPrintf("open %s\n", fptr+0xa); |
| 2045 | v0 = 1 + mcd; |
| 2046 | break; |
| 2047 | } |
| 2048 | if (a1 & 0x200 && v0 == -1) { /* FCREAT */ |
| 2049 | for (i=1; i<16; i++) { |
| 2050 | int j, xor, nblk = a1 >> 16; |
| 2051 | char *pptr, *fptr2; |
| 2052 | char *fptr = mcd_data + 128 * i; |
| 2053 | |
| 2054 | if ((*fptr & 0xF0) != 0xa0) continue; |
| 2055 | |
| 2056 | FDesc[1 + mcd].mcfile = i; |
| 2057 | fptr[0] = 0x51; |
| 2058 | fptr[4] = 0x00; |
| 2059 | fptr[5] = 0x20 * nblk; |
| 2060 | fptr[6] = 0x00; |
| 2061 | fptr[7] = 0x00; |
| 2062 | strcpy(fptr+0xa, FDesc[1 + mcd].name); |
| 2063 | pptr = fptr2 = fptr; |
| 2064 | for(j=2; j<=nblk; j++) { |
| 2065 | int k; |
| 2066 | for(i++; i<16; i++) { |
| 2067 | fptr2 += 128; |
| 2068 | |
| 2069 | memset(fptr2, 0, 128); |
| 2070 | fptr2[0] = j < nblk ? 0x52 : 0x53; |
| 2071 | pptr[8] = i - 1; |
| 2072 | pptr[9] = 0; |
| 2073 | for (k=0, xor=0; k<127; k++) xor^= pptr[k]; |
| 2074 | pptr[127] = xor; |
| 2075 | pptr = fptr2; |
| 2076 | break; |
| 2077 | } |
| 2078 | /* shouldn't this return ENOSPC if i == 16? */ |
| 2079 | } |
| 2080 | pptr[8] = pptr[9] = 0xff; |
| 2081 | for (j=0, xor=0; j<127; j++) xor^= pptr[j]; |
| 2082 | pptr[127] = xor; |
| 2083 | SysPrintf("openC %s %d\n", ptr, nblk); |
| 2084 | v0 = 1 + mcd; |
| 2085 | /* just go ahead and resave them all */ |
| 2086 | SaveMcd(cfg, ptr, 128, 128 * 15); |
| 2087 | break; |
| 2088 | } |
| 2089 | /* shouldn't this return ENOSPC if i == 16? */ |
| 2090 | } |
| 2091 | } |
| 2092 | |
| 2093 | /* |
| 2094 | * int open(char *name , int mode); |
| 2095 | */ |
| 2096 | |
| 2097 | void psxBios_open() { // 0x32 |
| 2098 | void *pa0 = Ra0; |
| 2099 | |
| 2100 | #ifdef PSXBIOS_LOG |
| 2101 | PSXBIOS_LOG("psxBios_%s: %s,%x\n", biosB0n[0x32], Ra0, a1); |
| 2102 | #endif |
| 2103 | |
| 2104 | v0 = -1; |
| 2105 | |
| 2106 | if (pa0) { |
| 2107 | if (!strncmp(pa0, "bu00", 4)) { |
| 2108 | buopen(1, Mcd1Data, Config.Mcd1); |
| 2109 | } |
| 2110 | |
| 2111 | if (!strncmp(pa0, "bu10", 4)) { |
| 2112 | buopen(2, Mcd2Data, Config.Mcd2); |
| 2113 | } |
| 2114 | } |
| 2115 | |
| 2116 | pc0 = ra; |
| 2117 | } |
| 2118 | |
| 2119 | /* |
| 2120 | * int lseek(int fd , int offset , int whence); |
| 2121 | */ |
| 2122 | |
| 2123 | void psxBios_lseek() { // 0x33 |
| 2124 | #ifdef PSXBIOS_LOG |
| 2125 | PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x33], a0, a1, a2); |
| 2126 | #endif |
| 2127 | |
| 2128 | switch (a2) { |
| 2129 | case 0: // SEEK_SET |
| 2130 | FDesc[a0].offset = a1; |
| 2131 | v0 = a1; |
| 2132 | // DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 |
| 2133 | // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 |
| 2134 | break; |
| 2135 | |
| 2136 | case 1: // SEEK_CUR |
| 2137 | FDesc[a0].offset+= a1; |
| 2138 | v0 = FDesc[a0].offset; |
| 2139 | break; |
| 2140 | } |
| 2141 | |
| 2142 | pc0 = ra; |
| 2143 | } |
| 2144 | |
| 2145 | |
| 2146 | /* |
| 2147 | * int read(int fd , void *buf , int nbytes); |
| 2148 | */ |
| 2149 | |
| 2150 | void psxBios_read() { // 0x34 |
| 2151 | char *ptr; |
| 2152 | void *pa1 = Ra1; |
| 2153 | |
| 2154 | #ifdef PSXBIOS_LOG |
| 2155 | PSXBIOS_LOG("psxBios_%s: %x, %x, %x\n", biosB0n[0x34], a0, a1, a2); |
| 2156 | #endif |
| 2157 | |
| 2158 | v0 = -1; |
| 2159 | |
| 2160 | if (pa1) { |
| 2161 | switch (a0) { |
| 2162 | case 2: buread(pa1, 1, a2); break; |
| 2163 | case 3: buread(pa1, 2, a2); break; |
| 2164 | } |
| 2165 | } |
| 2166 | |
| 2167 | pc0 = ra; |
| 2168 | } |
| 2169 | |
| 2170 | /* |
| 2171 | * int write(int fd , void *buf , int nbytes); |
| 2172 | */ |
| 2173 | |
| 2174 | void psxBios_write() { // 0x35/0x03 |
| 2175 | char *ptr; |
| 2176 | void *pa1 = Ra1; |
| 2177 | |
| 2178 | #ifdef PSXBIOS_LOG |
| 2179 | PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x35], a0, a1, a2); |
| 2180 | #endif |
| 2181 | |
| 2182 | v0 = -1; |
| 2183 | if (!pa1) { |
| 2184 | pc0 = ra; |
| 2185 | return; |
| 2186 | } |
| 2187 | |
| 2188 | if (a0 == 1) { // stdout |
| 2189 | char *ptr = pa1; |
| 2190 | |
| 2191 | v0 = a2; |
| 2192 | while (a2 > 0) { |
| 2193 | SysPrintf("%c", *ptr++); a2--; |
| 2194 | } |
| 2195 | pc0 = ra; return; |
| 2196 | } |
| 2197 | |
| 2198 | switch (a0) { |
| 2199 | case 2: buwrite(pa1, 1, a2); break; |
| 2200 | case 3: buwrite(pa1, 2, a2); break; |
| 2201 | } |
| 2202 | |
| 2203 | pc0 = ra; |
| 2204 | } |
| 2205 | |
| 2206 | /* |
| 2207 | * int close(int fd); |
| 2208 | */ |
| 2209 | |
| 2210 | void psxBios_close() { // 0x36 |
| 2211 | #ifdef PSXBIOS_LOG |
| 2212 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x36], a0); |
| 2213 | #endif |
| 2214 | |
| 2215 | v0 = a0; |
| 2216 | pc0 = ra; |
| 2217 | } |
| 2218 | |
| 2219 | void psxBios_putchar() { // 3d |
| 2220 | SysPrintf("%c", (char)a0); |
| 2221 | pc0 = ra; |
| 2222 | } |
| 2223 | |
| 2224 | void psxBios_puts() { // 3e/3f |
| 2225 | SysPrintf("%s", Ra0); |
| 2226 | pc0 = ra; |
| 2227 | } |
| 2228 | |
| 2229 | |
| 2230 | /* To avoid any issues with different behaviour when using the libc's own strlen instead. |
| 2231 | * We want to mimic the PSX's behaviour in this case for bufile. */ |
| 2232 | static size_t strlen_internal(char* p) |
| 2233 | { |
| 2234 | size_t size_of_array = 0; |
| 2235 | while (*p++) size_of_array++; |
| 2236 | return size_of_array; |
| 2237 | } |
| 2238 | |
| 2239 | #define bufile(mcd) { \ |
| 2240 | size_t size_of_name = strlen_internal(dir->name); \ |
| 2241 | while (nfile < 16) { \ |
| 2242 | int match=1; \ |
| 2243 | \ |
| 2244 | ptr = Mcd##mcd##Data + 128 * (nfile + 1); \ |
| 2245 | nfile++; \ |
| 2246 | if ((*ptr & 0xF0) != 0x50) continue; \ |
| 2247 | /* Bug link files show up as free block. */ \ |
| 2248 | if (!ptr[0xa]) continue; \ |
| 2249 | ptr+= 0xa; \ |
| 2250 | if (pfile[0] == 0) { \ |
| 2251 | strncpy(dir->name, ptr, sizeof(dir->name) - 1); \ |
| 2252 | if (size_of_name < sizeof(dir->name)) dir->name[size_of_name] = '\0'; \ |
| 2253 | } else for (i=0; i<20; i++) { \ |
| 2254 | if (pfile[i] == ptr[i]) { \ |
| 2255 | dir->name[i] = ptr[i]; continue; } \ |
| 2256 | if (pfile[i] == '?') { \ |
| 2257 | dir->name[i] = ptr[i]; continue; } \ |
| 2258 | if (pfile[i] == '*') { \ |
| 2259 | strcpy(dir->name+i, ptr+i); break; } \ |
| 2260 | match = 0; break; \ |
| 2261 | } \ |
| 2262 | SysPrintf("%d : %s = %s + %s (match=%d)\n", nfile, dir->name, pfile, ptr, match); \ |
| 2263 | if (match == 0) { continue; } \ |
| 2264 | dir->size = 8192; \ |
| 2265 | v0 = _dir; \ |
| 2266 | break; \ |
| 2267 | } \ |
| 2268 | } |
| 2269 | |
| 2270 | /* |
| 2271 | * struct DIRENTRY* firstfile(char *name,struct DIRENTRY *dir); |
| 2272 | */ |
| 2273 | |
| 2274 | void psxBios_firstfile() { // 42 |
| 2275 | struct DIRENTRY *dir = (struct DIRENTRY *)Ra1; |
| 2276 | void *pa0 = Ra0; |
| 2277 | u32 _dir = a1; |
| 2278 | char *ptr; |
| 2279 | int i; |
| 2280 | |
| 2281 | #ifdef PSXBIOS_LOG |
| 2282 | PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x42], Ra0); |
| 2283 | #endif |
| 2284 | |
| 2285 | v0 = 0; |
| 2286 | |
| 2287 | if (pa0) { |
| 2288 | strcpy(ffile, pa0); |
| 2289 | pfile = ffile+5; |
| 2290 | nfile = 0; |
| 2291 | if (!strncmp(pa0, "bu00", 4)) { |
| 2292 | // firstfile() calls _card_read() internally, so deliver it's event |
| 2293 | DeliverEvent(0x11, 0x2); |
| 2294 | bufile(1); |
| 2295 | } else if (!strncmp(pa0, "bu10", 4)) { |
| 2296 | // firstfile() calls _card_read() internally, so deliver it's event |
| 2297 | DeliverEvent(0x11, 0x2); |
| 2298 | bufile(2); |
| 2299 | } |
| 2300 | } |
| 2301 | |
| 2302 | pc0 = ra; |
| 2303 | } |
| 2304 | |
| 2305 | /* |
| 2306 | * struct DIRENTRY* nextfile(struct DIRENTRY *dir); |
| 2307 | */ |
| 2308 | |
| 2309 | void psxBios_nextfile() { // 43 |
| 2310 | struct DIRENTRY *dir = (struct DIRENTRY *)Ra0; |
| 2311 | u32 _dir = a0; |
| 2312 | char *ptr; |
| 2313 | int i; |
| 2314 | |
| 2315 | #ifdef PSXBIOS_LOG |
| 2316 | PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x43], dir->name); |
| 2317 | #endif |
| 2318 | |
| 2319 | v0 = 0; |
| 2320 | |
| 2321 | if (!strncmp(ffile, "bu00", 4)) { |
| 2322 | bufile(1); |
| 2323 | } |
| 2324 | |
| 2325 | if (!strncmp(ffile, "bu10", 4)) { |
| 2326 | bufile(2); |
| 2327 | } |
| 2328 | |
| 2329 | pc0 = ra; |
| 2330 | } |
| 2331 | |
| 2332 | #define burename(mcd) { \ |
| 2333 | for (i=1; i<16; i++) { \ |
| 2334 | int namelen, j, xor = 0; \ |
| 2335 | ptr = Mcd##mcd##Data + 128 * i; \ |
| 2336 | if ((*ptr & 0xF0) != 0x50) continue; \ |
| 2337 | if (strcmp(Ra0+5, ptr+0xa)) continue; \ |
| 2338 | namelen = strlen(Ra1+5); \ |
| 2339 | memcpy(ptr+0xa, Ra1+5, namelen); \ |
| 2340 | memset(ptr+0xa+namelen, 0, 0x75-namelen); \ |
| 2341 | for (j=0; j<127; j++) xor^= ptr[j]; \ |
| 2342 | ptr[127] = xor; \ |
| 2343 | SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i + 0xa, 0x76); \ |
| 2344 | v0 = 1; \ |
| 2345 | break; \ |
| 2346 | } \ |
| 2347 | } |
| 2348 | |
| 2349 | /* |
| 2350 | * int rename(char *old, char *new); |
| 2351 | */ |
| 2352 | |
| 2353 | void psxBios_rename() { // 44 |
| 2354 | void *pa0 = Ra0; |
| 2355 | void *pa1 = Ra1; |
| 2356 | char *ptr; |
| 2357 | int i; |
| 2358 | |
| 2359 | #ifdef PSXBIOS_LOG |
| 2360 | PSXBIOS_LOG("psxBios_%s: %s,%s\n", biosB0n[0x44], Ra0, Ra1); |
| 2361 | #endif |
| 2362 | |
| 2363 | v0 = 0; |
| 2364 | |
| 2365 | if (pa0 && pa1) { |
| 2366 | if (!strncmp(pa0, "bu00", 4) && !strncmp(pa1, "bu00", 4)) { |
| 2367 | burename(1); |
| 2368 | } |
| 2369 | |
| 2370 | if (!strncmp(pa0, "bu10", 4) && !strncmp(pa1, "bu10", 4)) { |
| 2371 | burename(2); |
| 2372 | } |
| 2373 | } |
| 2374 | |
| 2375 | pc0 = ra; |
| 2376 | } |
| 2377 | |
| 2378 | |
| 2379 | #define budelete(mcd) { \ |
| 2380 | for (i=1; i<16; i++) { \ |
| 2381 | ptr = Mcd##mcd##Data + 128 * i; \ |
| 2382 | if ((*ptr & 0xF0) != 0x50) continue; \ |
| 2383 | if (strcmp(Ra0+5, ptr+0xa)) continue; \ |
| 2384 | *ptr = (*ptr & 0xf) | 0xA0; \ |
| 2385 | SaveMcd(Config.Mcd##mcd, Mcd##mcd##Data, 128 * i, 1); \ |
| 2386 | SysPrintf("delete %s\n", ptr+0xa); \ |
| 2387 | v0 = 1; \ |
| 2388 | break; \ |
| 2389 | } \ |
| 2390 | } |
| 2391 | |
| 2392 | /* |
| 2393 | * int delete(char *name); |
| 2394 | */ |
| 2395 | |
| 2396 | void psxBios_delete() { // 45 |
| 2397 | void *pa0 = Ra0; |
| 2398 | char *ptr; |
| 2399 | int i; |
| 2400 | |
| 2401 | #ifdef PSXBIOS_LOG |
| 2402 | PSXBIOS_LOG("psxBios_%s: %s\n", biosB0n[0x45], Ra0); |
| 2403 | #endif |
| 2404 | |
| 2405 | v0 = 0; |
| 2406 | |
| 2407 | if (pa0) { |
| 2408 | if (!strncmp(pa0, "bu00", 4)) { |
| 2409 | budelete(1); |
| 2410 | } |
| 2411 | |
| 2412 | if (!strncmp(pa0, "bu10", 4)) { |
| 2413 | budelete(2); |
| 2414 | } |
| 2415 | } |
| 2416 | |
| 2417 | pc0 = ra; |
| 2418 | } |
| 2419 | |
| 2420 | void psxBios_InitCARD() { // 4a |
| 2421 | #ifdef PSXBIOS_LOG |
| 2422 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x4a], a0); |
| 2423 | #endif |
| 2424 | |
| 2425 | CardState = 0; |
| 2426 | |
| 2427 | pc0 = ra; |
| 2428 | } |
| 2429 | |
| 2430 | void psxBios_StartCARD() { // 4b |
| 2431 | #ifdef PSXBIOS_LOG |
| 2432 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4b]); |
| 2433 | #endif |
| 2434 | |
| 2435 | if (CardState == 0) CardState = 1; |
| 2436 | |
| 2437 | pc0 = ra; |
| 2438 | } |
| 2439 | |
| 2440 | void psxBios_StopCARD() { // 4c |
| 2441 | #ifdef PSXBIOS_LOG |
| 2442 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4c]); |
| 2443 | #endif |
| 2444 | |
| 2445 | if (CardState == 1) CardState = 0; |
| 2446 | |
| 2447 | pc0 = ra; |
| 2448 | } |
| 2449 | |
| 2450 | void psxBios__card_write() { // 0x4e |
| 2451 | void *pa2 = Ra2; |
| 2452 | int port; |
| 2453 | |
| 2454 | #ifdef PSXBIOS_LOG |
| 2455 | PSXBIOS_LOG("psxBios_%s: %x,%x,%x\n", biosB0n[0x4e], a0, a1, a2); |
| 2456 | #endif |
| 2457 | /* |
| 2458 | Function also accepts sector 400h (a bug). |
| 2459 | But notaz said we shouldn't allow sector 400h because it can corrupt the emulator. |
| 2460 | */ |
| 2461 | if (!(a1 <= 0x3FF)) |
| 2462 | { |
| 2463 | /* Invalid sectors */ |
| 2464 | v0 = 0; pc0 = ra; |
| 2465 | return; |
| 2466 | } |
| 2467 | card_active_chan = a0; |
| 2468 | port = a0 >> 4; |
| 2469 | |
| 2470 | if (pa2) { |
| 2471 | if (port == 0) { |
| 2472 | memcpy(Mcd1Data + a1 * 128, pa2, 128); |
| 2473 | SaveMcd(Config.Mcd1, Mcd1Data, a1 * 128, 128); |
| 2474 | } else { |
| 2475 | memcpy(Mcd2Data + a1 * 128, pa2, 128); |
| 2476 | SaveMcd(Config.Mcd2, Mcd2Data, a1 * 128, 128); |
| 2477 | } |
| 2478 | } |
| 2479 | |
| 2480 | DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 |
| 2481 | // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 |
| 2482 | |
| 2483 | v0 = 1; pc0 = ra; |
| 2484 | } |
| 2485 | |
| 2486 | void psxBios__card_read() { // 0x4f |
| 2487 | void *pa2 = Ra2; |
| 2488 | int port; |
| 2489 | |
| 2490 | #ifdef PSXBIOS_LOG |
| 2491 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x4f]); |
| 2492 | #endif |
| 2493 | /* |
| 2494 | Function also accepts sector 400h (a bug). |
| 2495 | But notaz said we shouldn't allow sector 400h because it can corrupt the emulator. |
| 2496 | */ |
| 2497 | if (!(a1 <= 0x3FF)) |
| 2498 | { |
| 2499 | /* Invalid sectors */ |
| 2500 | v0 = 0; pc0 = ra; |
| 2501 | return; |
| 2502 | } |
| 2503 | card_active_chan = a0; |
| 2504 | port = a0 >> 4; |
| 2505 | |
| 2506 | if (pa2) { |
| 2507 | if (port == 0) { |
| 2508 | memcpy(pa2, Mcd1Data + a1 * 128, 128); |
| 2509 | } else { |
| 2510 | memcpy(pa2, Mcd2Data + a1 * 128, 128); |
| 2511 | } |
| 2512 | } |
| 2513 | |
| 2514 | DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004 |
| 2515 | // DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004 |
| 2516 | |
| 2517 | v0 = 1; pc0 = ra; |
| 2518 | } |
| 2519 | |
| 2520 | void psxBios__new_card() { // 0x50 |
| 2521 | #ifdef PSXBIOS_LOG |
| 2522 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x50]); |
| 2523 | #endif |
| 2524 | |
| 2525 | pc0 = ra; |
| 2526 | } |
| 2527 | |
| 2528 | /* According to a user, this allows Final Fantasy Tactics to save/load properly */ |
| 2529 | void psxBios__get_error(void) // 55 |
| 2530 | { |
| 2531 | v0 = 0; |
| 2532 | pc0 = ra; |
| 2533 | } |
| 2534 | |
| 2535 | void psxBios_Krom2RawAdd() { // 0x51 |
| 2536 | int i = 0; |
| 2537 | |
| 2538 | const u32 table_8140[][2] = { |
| 2539 | {0x8140, 0x0000}, {0x8180, 0x0762}, {0x81ad, 0x0cc6}, {0x81b8, 0x0ca8}, |
| 2540 | {0x81c0, 0x0f00}, {0x81c8, 0x0d98}, {0x81cf, 0x10c2}, {0x81da, 0x0e6a}, |
| 2541 | {0x81e9, 0x13ce}, {0x81f0, 0x102c}, {0x81f8, 0x1590}, {0x81fc, 0x111c}, |
| 2542 | {0x81fd, 0x1626}, {0x824f, 0x113a}, {0x8259, 0x20ee}, {0x8260, 0x1266}, |
| 2543 | {0x827a, 0x24cc}, {0x8281, 0x1572}, {0x829b, 0x28aa}, {0x829f, 0x187e}, |
| 2544 | {0x82f2, 0x32dc}, {0x8340, 0x2238}, {0x837f, 0x4362}, {0x8380, 0x299a}, |
| 2545 | {0x8397, 0x4632}, {0x839f, 0x2c4c}, {0x83b7, 0x49f2}, {0x83bf, 0x2f1c}, |
| 2546 | {0x83d7, 0x4db2}, {0x8440, 0x31ec}, {0x8461, 0x5dde}, {0x8470, 0x35ca}, |
| 2547 | {0x847f, 0x6162}, {0x8480, 0x378c}, {0x8492, 0x639c}, {0x849f, 0x39a8}, |
| 2548 | {0xffff, 0} |
| 2549 | }; |
| 2550 | |
| 2551 | const u32 table_889f[][2] = { |
| 2552 | {0x889f, 0x3d68}, {0x8900, 0x40ec}, {0x897f, 0x4fb0}, {0x8a00, 0x56f4}, |
| 2553 | {0x8a7f, 0x65b8}, {0x8b00, 0x6cfc}, {0x8b7f, 0x7bc0}, {0x8c00, 0x8304}, |
| 2554 | {0x8c7f, 0x91c8}, {0x8d00, 0x990c}, {0x8d7f, 0xa7d0}, {0x8e00, 0xaf14}, |
| 2555 | {0x8e7f, 0xbdd8}, {0x8f00, 0xc51c}, {0x8f7f, 0xd3e0}, {0x9000, 0xdb24}, |
| 2556 | {0x907f, 0xe9e8}, {0x9100, 0xf12c}, {0x917f, 0xfff0}, {0x9200, 0x10734}, |
| 2557 | {0x927f, 0x115f8}, {0x9300, 0x11d3c}, {0x937f, 0x12c00}, {0x9400, 0x13344}, |
| 2558 | {0x947f, 0x14208}, {0x9500, 0x1494c}, {0x957f, 0x15810}, {0x9600, 0x15f54}, |
| 2559 | {0x967f, 0x16e18}, {0x9700, 0x1755c}, {0x977f, 0x18420}, {0x9800, 0x18b64}, |
| 2560 | {0xffff, 0} |
| 2561 | }; |
| 2562 | |
| 2563 | if (a0 >= 0x8140 && a0 <= 0x84be) { |
| 2564 | while (table_8140[i][0] <= a0) i++; |
| 2565 | a0 -= table_8140[i - 1][0]; |
| 2566 | v0 = 0xbfc66000 + (a0 * 0x1e + table_8140[i - 1][1]); |
| 2567 | } else if (a0 >= 0x889f && a0 <= 0x9872) { |
| 2568 | while (table_889f[i][0] <= a0) i++; |
| 2569 | a0 -= table_889f[i - 1][0]; |
| 2570 | v0 = 0xbfc66000 + (a0 * 0x1e + table_889f[i - 1][1]); |
| 2571 | } else { |
| 2572 | v0 = 0xffffffff; |
| 2573 | } |
| 2574 | |
| 2575 | pc0 = ra; |
| 2576 | } |
| 2577 | |
| 2578 | void psxBios_GetC0Table() { // 56 |
| 2579 | #ifdef PSXBIOS_LOG |
| 2580 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x56]); |
| 2581 | #endif |
| 2582 | |
| 2583 | v0 = 0x674; pc0 = ra; |
| 2584 | } |
| 2585 | |
| 2586 | void psxBios_GetB0Table() { // 57 |
| 2587 | #ifdef PSXBIOS_LOG |
| 2588 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x57]); |
| 2589 | #endif |
| 2590 | |
| 2591 | v0 = 0x874; pc0 = ra; |
| 2592 | } |
| 2593 | |
| 2594 | void psxBios__card_chan() { // 0x58 |
| 2595 | #ifdef PSXBIOS_LOG |
| 2596 | PSXBIOS_LOG("psxBios_%s\n", biosB0n[0x58]); |
| 2597 | #endif |
| 2598 | |
| 2599 | v0 = card_active_chan; |
| 2600 | pc0 = ra; |
| 2601 | } |
| 2602 | |
| 2603 | void psxBios_ChangeClearPad() { // 5b |
| 2604 | #ifdef PSXBIOS_LOG |
| 2605 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5b], a0); |
| 2606 | #endif |
| 2607 | |
| 2608 | pc0 = ra; |
| 2609 | } |
| 2610 | |
| 2611 | void psxBios__card_status() { // 5c |
| 2612 | #ifdef PSXBIOS_LOG |
| 2613 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5c], a0); |
| 2614 | #endif |
| 2615 | |
| 2616 | v0 = card_active_chan; |
| 2617 | pc0 = ra; |
| 2618 | } |
| 2619 | |
| 2620 | void psxBios__card_wait() { // 5d |
| 2621 | #ifdef PSXBIOS_LOG |
| 2622 | PSXBIOS_LOG("psxBios_%s: %x\n", biosB0n[0x5d], a0); |
| 2623 | #endif |
| 2624 | |
| 2625 | v0 = 1; |
| 2626 | pc0 = ra; |
| 2627 | } |
| 2628 | |
| 2629 | /* System calls C0 */ |
| 2630 | |
| 2631 | /* |
| 2632 | * int SysEnqIntRP(int index , long *queue); |
| 2633 | */ |
| 2634 | |
| 2635 | void psxBios_SysEnqIntRP() { // 02 |
| 2636 | #ifdef PSXBIOS_LOG |
| 2637 | PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x02] ,a0); |
| 2638 | #endif |
| 2639 | |
| 2640 | SysIntRP[a0] = a1; |
| 2641 | |
| 2642 | v0 = 0; pc0 = ra; |
| 2643 | } |
| 2644 | |
| 2645 | /* |
| 2646 | * int SysDeqIntRP(int index , long *queue); |
| 2647 | */ |
| 2648 | |
| 2649 | void psxBios_SysDeqIntRP() { // 03 |
| 2650 | #ifdef PSXBIOS_LOG |
| 2651 | PSXBIOS_LOG("psxBios_%s: %x\n", biosC0n[0x03], a0); |
| 2652 | #endif |
| 2653 | |
| 2654 | SysIntRP[a0] = 0; |
| 2655 | |
| 2656 | v0 = 0; pc0 = ra; |
| 2657 | } |
| 2658 | |
| 2659 | void psxBios_ChangeClearRCnt() { // 0a |
| 2660 | u32 *ptr; |
| 2661 | |
| 2662 | #ifdef PSXBIOS_LOG |
| 2663 | PSXBIOS_LOG("psxBios_%s: %x, %x\n", biosC0n[0x0a], a0, a1); |
| 2664 | #endif |
| 2665 | |
| 2666 | ptr = (u32*)PSXM((a0 << 2) + 0x8600); |
| 2667 | v0 = *ptr; |
| 2668 | *ptr = a1; |
| 2669 | |
| 2670 | // psxRegs.CP0.n.Status|= 0x404; |
| 2671 | pc0 = ra; |
| 2672 | } |
| 2673 | |
| 2674 | void psxBios_dummy() { |
| 2675 | #ifdef PSXBIOS_LOG |
| 2676 | PSXBIOS_LOG("unk %x call: %x\n", pc0 & 0x1fffff, t1); |
| 2677 | #endif |
| 2678 | pc0 = ra; |
| 2679 | } |
| 2680 | |
| 2681 | void (*biosA0[256])(); |
| 2682 | void (*biosB0[256])(); |
| 2683 | void (*biosC0[256])(); |
| 2684 | |
| 2685 | #include "sjisfont.h" |
| 2686 | |
| 2687 | void psxBiosInit() { |
| 2688 | u32 base, size; |
| 2689 | u32 *ptr; |
| 2690 | int i; |
| 2691 | uLongf len; |
| 2692 | |
| 2693 | for(i = 0; i < 256; i++) { |
| 2694 | biosA0[i] = NULL; |
| 2695 | biosB0[i] = NULL; |
| 2696 | biosC0[i] = NULL; |
| 2697 | } |
| 2698 | biosA0[0x3e] = psxBios_puts; |
| 2699 | biosA0[0x3f] = psxBios_printf; |
| 2700 | |
| 2701 | biosB0[0x3d] = psxBios_putchar; |
| 2702 | biosB0[0x3f] = psxBios_puts; |
| 2703 | |
| 2704 | if (!Config.HLE) return; |
| 2705 | |
| 2706 | for(i = 0; i < 256; i++) { |
| 2707 | if (biosA0[i] == NULL) biosA0[i] = psxBios_dummy; |
| 2708 | if (biosB0[i] == NULL) biosB0[i] = psxBios_dummy; |
| 2709 | if (biosC0[i] == NULL) biosC0[i] = psxBios_dummy; |
| 2710 | } |
| 2711 | |
| 2712 | biosA0[0x00] = psxBios_open; |
| 2713 | biosA0[0x01] = psxBios_lseek; |
| 2714 | biosA0[0x02] = psxBios_read; |
| 2715 | biosA0[0x03] = psxBios_write; |
| 2716 | biosA0[0x04] = psxBios_close; |
| 2717 | //biosA0[0x05] = psxBios_ioctl; |
| 2718 | //biosA0[0x06] = psxBios_exit; |
| 2719 | //biosA0[0x07] = psxBios_sys_a0_07; |
| 2720 | biosA0[0x08] = psxBios_getc; |
| 2721 | biosA0[0x09] = psxBios_putc; |
| 2722 | biosA0[0x0a] = psxBios_todigit; |
| 2723 | //biosA0[0x0b] = psxBios_atof; |
| 2724 | //biosA0[0x0c] = psxBios_strtoul; |
| 2725 | //biosA0[0x0d] = psxBios_strtol; |
| 2726 | biosA0[0x0e] = psxBios_abs; |
| 2727 | biosA0[0x0f] = psxBios_labs; |
| 2728 | biosA0[0x10] = psxBios_atoi; |
| 2729 | biosA0[0x11] = psxBios_atol; |
| 2730 | //biosA0[0x12] = psxBios_atob; |
| 2731 | biosA0[0x13] = psxBios_setjmp; |
| 2732 | biosA0[0x14] = psxBios_longjmp; |
| 2733 | biosA0[0x15] = psxBios_strcat; |
| 2734 | biosA0[0x16] = psxBios_strncat; |
| 2735 | biosA0[0x17] = psxBios_strcmp; |
| 2736 | biosA0[0x18] = psxBios_strncmp; |
| 2737 | biosA0[0x19] = psxBios_strcpy; |
| 2738 | biosA0[0x1a] = psxBios_strncpy; |
| 2739 | biosA0[0x1b] = psxBios_strlen; |
| 2740 | biosA0[0x1c] = psxBios_index; |
| 2741 | biosA0[0x1d] = psxBios_rindex; |
| 2742 | biosA0[0x1e] = psxBios_strchr; |
| 2743 | biosA0[0x1f] = psxBios_strrchr; |
| 2744 | biosA0[0x20] = psxBios_strpbrk; |
| 2745 | biosA0[0x21] = psxBios_strspn; |
| 2746 | biosA0[0x22] = psxBios_strcspn; |
| 2747 | biosA0[0x23] = psxBios_strtok; |
| 2748 | biosA0[0x24] = psxBios_strstr; |
| 2749 | biosA0[0x25] = psxBios_toupper; |
| 2750 | biosA0[0x26] = psxBios_tolower; |
| 2751 | biosA0[0x27] = psxBios_bcopy; |
| 2752 | biosA0[0x28] = psxBios_bzero; |
| 2753 | biosA0[0x29] = psxBios_bcmp; |
| 2754 | biosA0[0x2a] = psxBios_memcpy; |
| 2755 | biosA0[0x2b] = psxBios_memset; |
| 2756 | biosA0[0x2c] = psxBios_memmove; |
| 2757 | biosA0[0x2d] = psxBios_memcmp; |
| 2758 | biosA0[0x2e] = psxBios_memchr; |
| 2759 | biosA0[0x2f] = psxBios_rand; |
| 2760 | biosA0[0x30] = psxBios_srand; |
| 2761 | biosA0[0x31] = psxBios_qsort; |
| 2762 | //biosA0[0x32] = psxBios_strtod; |
| 2763 | biosA0[0x33] = psxBios_malloc; |
| 2764 | biosA0[0x34] = psxBios_free; |
| 2765 | //biosA0[0x35] = psxBios_lsearch; |
| 2766 | //biosA0[0x36] = psxBios_bsearch; |
| 2767 | biosA0[0x37] = psxBios_calloc; |
| 2768 | biosA0[0x38] = psxBios_realloc; |
| 2769 | biosA0[0x39] = psxBios_InitHeap; |
| 2770 | //biosA0[0x3a] = psxBios__exit; |
| 2771 | biosA0[0x3b] = psxBios_getchar; |
| 2772 | biosA0[0x3c] = psxBios_putchar; |
| 2773 | //biosA0[0x3d] = psxBios_gets; |
| 2774 | //biosA0[0x40] = psxBios_sys_a0_40; |
| 2775 | //biosA0[0x41] = psxBios_LoadTest; |
| 2776 | biosA0[0x42] = psxBios_Load; |
| 2777 | biosA0[0x43] = psxBios_Exec; |
| 2778 | biosA0[0x44] = psxBios_FlushCache; |
| 2779 | //biosA0[0x45] = psxBios_InstallInterruptHandler; |
| 2780 | biosA0[0x46] = psxBios_GPU_dw; |
| 2781 | biosA0[0x47] = psxBios_mem2vram; |
| 2782 | biosA0[0x48] = psxBios_SendGPU; |
| 2783 | biosA0[0x49] = psxBios_GPU_cw; |
| 2784 | biosA0[0x4a] = psxBios_GPU_cwb; |
| 2785 | biosA0[0x4b] = psxBios_GPU_SendPackets; |
| 2786 | biosA0[0x4c] = psxBios_sys_a0_4c; |
| 2787 | biosA0[0x4d] = psxBios_GPU_GetGPUStatus; |
| 2788 | //biosA0[0x4e] = psxBios_GPU_sync; |
| 2789 | //biosA0[0x4f] = psxBios_sys_a0_4f; |
| 2790 | //biosA0[0x50] = psxBios_sys_a0_50; |
| 2791 | biosA0[0x51] = psxBios_LoadExec; |
| 2792 | //biosA0[0x52] = psxBios_GetSysSp; |
| 2793 | //biosA0[0x53] = psxBios_sys_a0_53; |
| 2794 | //biosA0[0x54] = psxBios__96_init_a54; |
| 2795 | //biosA0[0x55] = psxBios__bu_init_a55; |
| 2796 | //biosA0[0x56] = psxBios__96_remove_a56; |
| 2797 | //biosA0[0x57] = psxBios_sys_a0_57; |
| 2798 | //biosA0[0x58] = psxBios_sys_a0_58; |
| 2799 | //biosA0[0x59] = psxBios_sys_a0_59; |
| 2800 | //biosA0[0x5a] = psxBios_sys_a0_5a; |
| 2801 | //biosA0[0x5b] = psxBios_dev_tty_init; |
| 2802 | //biosA0[0x5c] = psxBios_dev_tty_open; |
| 2803 | //biosA0[0x5d] = psxBios_sys_a0_5d; |
| 2804 | //biosA0[0x5e] = psxBios_dev_tty_ioctl; |
| 2805 | //biosA0[0x5f] = psxBios_dev_cd_open; |
| 2806 | //biosA0[0x60] = psxBios_dev_cd_read; |
| 2807 | //biosA0[0x61] = psxBios_dev_cd_close; |
| 2808 | //biosA0[0x62] = psxBios_dev_cd_firstfile; |
| 2809 | //biosA0[0x63] = psxBios_dev_cd_nextfile; |
| 2810 | //biosA0[0x64] = psxBios_dev_cd_chdir; |
| 2811 | //biosA0[0x65] = psxBios_dev_card_open; |
| 2812 | //biosA0[0x66] = psxBios_dev_card_read; |
| 2813 | //biosA0[0x67] = psxBios_dev_card_write; |
| 2814 | //biosA0[0x68] = psxBios_dev_card_close; |
| 2815 | //biosA0[0x69] = psxBios_dev_card_firstfile; |
| 2816 | //biosA0[0x6a] = psxBios_dev_card_nextfile; |
| 2817 | //biosA0[0x6b] = psxBios_dev_card_erase; |
| 2818 | //biosA0[0x6c] = psxBios_dev_card_undelete; |
| 2819 | //biosA0[0x6d] = psxBios_dev_card_format; |
| 2820 | //biosA0[0x6e] = psxBios_dev_card_rename; |
| 2821 | //biosA0[0x6f] = psxBios_dev_card_6f; |
| 2822 | biosA0[0x70] = psxBios__bu_init; |
| 2823 | biosA0[0x71] = psxBios__96_init; |
| 2824 | biosA0[0x72] = psxBios__96_remove; |
| 2825 | //biosA0[0x73] = psxBios_sys_a0_73; |
| 2826 | //biosA0[0x74] = psxBios_sys_a0_74; |
| 2827 | //biosA0[0x75] = psxBios_sys_a0_75; |
| 2828 | //biosA0[0x76] = psxBios_sys_a0_76; |
| 2829 | //biosA0[0x77] = psxBios_sys_a0_77; |
| 2830 | //biosA0[0x78] = psxBios__96_CdSeekL; |
| 2831 | //biosA0[0x79] = psxBios_sys_a0_79; |
| 2832 | //biosA0[0x7a] = psxBios_sys_a0_7a; |
| 2833 | //biosA0[0x7b] = psxBios_sys_a0_7b; |
| 2834 | //biosA0[0x7c] = psxBios__96_CdGetStatus; |
| 2835 | //biosA0[0x7d] = psxBios_sys_a0_7d; |
| 2836 | //biosA0[0x7e] = psxBios__96_CdRead; |
| 2837 | //biosA0[0x7f] = psxBios_sys_a0_7f; |
| 2838 | //biosA0[0x80] = psxBios_sys_a0_80; |
| 2839 | //biosA0[0x81] = psxBios_sys_a0_81; |
| 2840 | //biosA0[0x82] = psxBios_sys_a0_82; |
| 2841 | //biosA0[0x83] = psxBios_sys_a0_83; |
| 2842 | //biosA0[0x84] = psxBios_sys_a0_84; |
| 2843 | //biosA0[0x85] = psxBios__96_CdStop; |
| 2844 | //biosA0[0x86] = psxBios_sys_a0_86; |
| 2845 | //biosA0[0x87] = psxBios_sys_a0_87; |
| 2846 | //biosA0[0x88] = psxBios_sys_a0_88; |
| 2847 | //biosA0[0x89] = psxBios_sys_a0_89; |
| 2848 | //biosA0[0x8a] = psxBios_sys_a0_8a; |
| 2849 | //biosA0[0x8b] = psxBios_sys_a0_8b; |
| 2850 | //biosA0[0x8c] = psxBios_sys_a0_8c; |
| 2851 | //biosA0[0x8d] = psxBios_sys_a0_8d; |
| 2852 | //biosA0[0x8e] = psxBios_sys_a0_8e; |
| 2853 | //biosA0[0x8f] = psxBios_sys_a0_8f; |
| 2854 | //biosA0[0x90] = psxBios_sys_a0_90; |
| 2855 | //biosA0[0x91] = psxBios_sys_a0_91; |
| 2856 | //biosA0[0x92] = psxBios_sys_a0_92; |
| 2857 | //biosA0[0x93] = psxBios_sys_a0_93; |
| 2858 | //biosA0[0x94] = psxBios_sys_a0_94; |
| 2859 | //biosA0[0x95] = psxBios_sys_a0_95; |
| 2860 | //biosA0[0x96] = psxBios_AddCDROMDevice; |
| 2861 | //biosA0[0x97] = psxBios_AddMemCardDevide; |
| 2862 | //biosA0[0x98] = psxBios_DisableKernelIORedirection; |
| 2863 | //biosA0[0x99] = psxBios_EnableKernelIORedirection; |
| 2864 | //biosA0[0x9a] = psxBios_sys_a0_9a; |
| 2865 | //biosA0[0x9b] = psxBios_sys_a0_9b; |
| 2866 | //biosA0[0x9c] = psxBios_SetConf; |
| 2867 | //biosA0[0x9d] = psxBios_GetConf; |
| 2868 | //biosA0[0x9e] = psxBios_sys_a0_9e; |
| 2869 | biosA0[0x9f] = psxBios_SetMem; |
| 2870 | //biosA0[0xa0] = psxBios__boot; |
| 2871 | //biosA0[0xa1] = psxBios_SystemError; |
| 2872 | //biosA0[0xa2] = psxBios_EnqueueCdIntr; |
| 2873 | //biosA0[0xa3] = psxBios_DequeueCdIntr; |
| 2874 | //biosA0[0xa4] = psxBios_sys_a0_a4; |
| 2875 | //biosA0[0xa5] = psxBios_ReadSector; |
| 2876 | biosA0[0xa6] = psxBios_get_cd_status; |
| 2877 | //biosA0[0xa7] = psxBios_bufs_cb_0; |
| 2878 | //biosA0[0xa8] = psxBios_bufs_cb_1; |
| 2879 | //biosA0[0xa9] = psxBios_bufs_cb_2; |
| 2880 | //biosA0[0xaa] = psxBios_bufs_cb_3; |
| 2881 | biosA0[0xab] = psxBios__card_info; |
| 2882 | biosA0[0xac] = psxBios__card_load; |
| 2883 | //biosA0[0axd] = psxBios__card_auto; |
| 2884 | //biosA0[0xae] = psxBios_bufs_cd_4; |
| 2885 | //biosA0[0xaf] = psxBios_sys_a0_af; |
| 2886 | //biosA0[0xb0] = psxBios_sys_a0_b0; |
| 2887 | //biosA0[0xb1] = psxBios_sys_a0_b1; |
| 2888 | //biosA0[0xb2] = psxBios_do_a_long_jmp |
| 2889 | //biosA0[0xb3] = psxBios_sys_a0_b3; |
| 2890 | //biosA0[0xb4] = psxBios_sub_function; |
| 2891 | //*******************B0 CALLS**************************** |
| 2892 | //biosB0[0x00] = psxBios_SysMalloc; |
| 2893 | //biosB0[0x01] = psxBios_sys_b0_01; |
| 2894 | biosB0[0x02] = psxBios_SetRCnt; |
| 2895 | biosB0[0x03] = psxBios_GetRCnt; |
| 2896 | biosB0[0x04] = psxBios_StartRCnt; |
| 2897 | biosB0[0x05] = psxBios_StopRCnt; |
| 2898 | biosB0[0x06] = psxBios_ResetRCnt; |
| 2899 | biosB0[0x07] = psxBios_DeliverEvent; |
| 2900 | biosB0[0x08] = psxBios_OpenEvent; |
| 2901 | biosB0[0x09] = psxBios_CloseEvent; |
| 2902 | biosB0[0x0a] = psxBios_WaitEvent; |
| 2903 | biosB0[0x0b] = psxBios_TestEvent; |
| 2904 | biosB0[0x0c] = psxBios_EnableEvent; |
| 2905 | biosB0[0x0d] = psxBios_DisableEvent; |
| 2906 | biosB0[0x0e] = psxBios_OpenTh; |
| 2907 | biosB0[0x0f] = psxBios_CloseTh; |
| 2908 | biosB0[0x10] = psxBios_ChangeTh; |
| 2909 | //biosB0[0x11] = psxBios_psxBios_b0_11; |
| 2910 | biosB0[0x12] = psxBios_InitPAD; |
| 2911 | biosB0[0x13] = psxBios_StartPAD; |
| 2912 | biosB0[0x14] = psxBios_StopPAD; |
| 2913 | biosB0[0x15] = psxBios_PAD_init; |
| 2914 | biosB0[0x16] = psxBios_PAD_dr; |
| 2915 | biosB0[0x17] = psxBios_ReturnFromException; |
| 2916 | biosB0[0x18] = psxBios_ResetEntryInt; |
| 2917 | biosB0[0x19] = psxBios_HookEntryInt; |
| 2918 | //biosB0[0x1a] = psxBios_sys_b0_1a; |
| 2919 | //biosB0[0x1b] = psxBios_sys_b0_1b; |
| 2920 | //biosB0[0x1c] = psxBios_sys_b0_1c; |
| 2921 | //biosB0[0x1d] = psxBios_sys_b0_1d; |
| 2922 | //biosB0[0x1e] = psxBios_sys_b0_1e; |
| 2923 | //biosB0[0x1f] = psxBios_sys_b0_1f; |
| 2924 | biosB0[0x20] = psxBios_UnDeliverEvent; |
| 2925 | //biosB0[0x21] = psxBios_sys_b0_21; |
| 2926 | //biosB0[0x22] = psxBios_sys_b0_22; |
| 2927 | //biosB0[0x23] = psxBios_sys_b0_23; |
| 2928 | //biosB0[0x24] = psxBios_sys_b0_24; |
| 2929 | //biosB0[0x25] = psxBios_sys_b0_25; |
| 2930 | //biosB0[0x26] = psxBios_sys_b0_26; |
| 2931 | //biosB0[0x27] = psxBios_sys_b0_27; |
| 2932 | //biosB0[0x28] = psxBios_sys_b0_28; |
| 2933 | //biosB0[0x29] = psxBios_sys_b0_29; |
| 2934 | //biosB0[0x2a] = psxBios_sys_b0_2a; |
| 2935 | //biosB0[0x2b] = psxBios_sys_b0_2b; |
| 2936 | //biosB0[0x2c] = psxBios_sys_b0_2c; |
| 2937 | //biosB0[0x2d] = psxBios_sys_b0_2d; |
| 2938 | //biosB0[0x2e] = psxBios_sys_b0_2e; |
| 2939 | //biosB0[0x2f] = psxBios_sys_b0_2f; |
| 2940 | //biosB0[0x30] = psxBios_sys_b0_30; |
| 2941 | //biosB0[0x31] = psxBios_sys_b0_31; |
| 2942 | biosB0[0x32] = psxBios_open; |
| 2943 | biosB0[0x33] = psxBios_lseek; |
| 2944 | biosB0[0x34] = psxBios_read; |
| 2945 | biosB0[0x35] = psxBios_write; |
| 2946 | biosB0[0x36] = psxBios_close; |
| 2947 | //biosB0[0x37] = psxBios_ioctl; |
| 2948 | //biosB0[0x38] = psxBios_exit; |
| 2949 | //biosB0[0x39] = psxBios_sys_b0_39; |
| 2950 | //biosB0[0x3a] = psxBios_getc; |
| 2951 | //biosB0[0x3b] = psxBios_putc; |
| 2952 | biosB0[0x3c] = psxBios_getchar; |
| 2953 | //biosB0[0x3e] = psxBios_gets; |
| 2954 | //biosB0[0x40] = psxBios_cd; |
| 2955 | biosB0[0x41] = psxBios_format; |
| 2956 | biosB0[0x42] = psxBios_firstfile; |
| 2957 | biosB0[0x43] = psxBios_nextfile; |
| 2958 | biosB0[0x44] = psxBios_rename; |
| 2959 | biosB0[0x45] = psxBios_delete; |
| 2960 | //biosB0[0x46] = psxBios_undelete; |
| 2961 | //biosB0[0x47] = psxBios_AddDevice; |
| 2962 | //biosB0[0x48] = psxBios_RemoteDevice; |
| 2963 | //biosB0[0x49] = psxBios_PrintInstalledDevices; |
| 2964 | biosB0[0x4a] = psxBios_InitCARD; |
| 2965 | biosB0[0x4b] = psxBios_StartCARD; |
| 2966 | biosB0[0x4c] = psxBios_StopCARD; |
| 2967 | //biosB0[0x4d] = psxBios_sys_b0_4d; |
| 2968 | biosB0[0x4e] = psxBios__card_write; |
| 2969 | biosB0[0x4f] = psxBios__card_read; |
| 2970 | biosB0[0x50] = psxBios__new_card; |
| 2971 | biosB0[0x51] = psxBios_Krom2RawAdd; |
| 2972 | //biosB0[0x52] = psxBios_sys_b0_52; |
| 2973 | //biosB0[0x53] = psxBios_sys_b0_53; |
| 2974 | //biosB0[0x54] = psxBios__get_errno; |
| 2975 | biosB0[0x55] = psxBios__get_error; |
| 2976 | biosB0[0x56] = psxBios_GetC0Table; |
| 2977 | biosB0[0x57] = psxBios_GetB0Table; |
| 2978 | biosB0[0x58] = psxBios__card_chan; |
| 2979 | //biosB0[0x59] = psxBios_sys_b0_59; |
| 2980 | //biosB0[0x5a] = psxBios_sys_b0_5a; |
| 2981 | biosB0[0x5b] = psxBios_ChangeClearPad; |
| 2982 | biosB0[0x5c] = psxBios__card_status; |
| 2983 | biosB0[0x5d] = psxBios__card_wait; |
| 2984 | //*******************C0 CALLS**************************** |
| 2985 | //biosC0[0x00] = psxBios_InitRCnt; |
| 2986 | //biosC0[0x01] = psxBios_InitException; |
| 2987 | biosC0[0x02] = psxBios_SysEnqIntRP; |
| 2988 | biosC0[0x03] = psxBios_SysDeqIntRP; |
| 2989 | //biosC0[0x04] = psxBios_get_free_EvCB_slot; |
| 2990 | //biosC0[0x05] = psxBios_get_free_TCB_slot; |
| 2991 | //biosC0[0x06] = psxBios_ExceptionHandler; |
| 2992 | //biosC0[0x07] = psxBios_InstallExeptionHandler; |
| 2993 | //biosC0[0x08] = psxBios_SysInitMemory; |
| 2994 | //biosC0[0x09] = psxBios_SysInitKMem; |
| 2995 | biosC0[0x0a] = psxBios_ChangeClearRCnt; |
| 2996 | //biosC0[0x0b] = psxBios_SystemError; |
| 2997 | //biosC0[0x0c] = psxBios_InitDefInt; |
| 2998 | //biosC0[0x0d] = psxBios_sys_c0_0d; |
| 2999 | //biosC0[0x0e] = psxBios_sys_c0_0e; |
| 3000 | //biosC0[0x0f] = psxBios_sys_c0_0f; |
| 3001 | //biosC0[0x10] = psxBios_sys_c0_10; |
| 3002 | //biosC0[0x11] = psxBios_sys_c0_11; |
| 3003 | //biosC0[0x12] = psxBios_InstallDevices; |
| 3004 | //biosC0[0x13] = psxBios_FlushStfInOutPut; |
| 3005 | //biosC0[0x14] = psxBios_sys_c0_14; |
| 3006 | //biosC0[0x15] = psxBios__cdevinput; |
| 3007 | //biosC0[0x16] = psxBios__cdevscan; |
| 3008 | //biosC0[0x17] = psxBios__circgetc; |
| 3009 | //biosC0[0x18] = psxBios__circputc; |
| 3010 | //biosC0[0x19] = psxBios_ioabort; |
| 3011 | //biosC0[0x1a] = psxBios_sys_c0_1a |
| 3012 | //biosC0[0x1b] = psxBios_KernelRedirect; |
| 3013 | //biosC0[0x1c] = psxBios_PatchAOTable; |
| 3014 | //************** THE END *************************************** |
| 3015 | /**/ |
| 3016 | base = 0x1000; |
| 3017 | size = sizeof(EvCB) * 32; |
| 3018 | EventCB = (void *)&psxR[base]; base += size * 6; |
| 3019 | memset(EventCB, 0, size * 6); |
| 3020 | HwEV = EventCB; |
| 3021 | EvEV = EventCB + 32; |
| 3022 | RcEV = EventCB + 32 * 2; |
| 3023 | UeEV = EventCB + 32 * 3; |
| 3024 | SwEV = EventCB + 32 * 4; |
| 3025 | ThEV = EventCB + 32 * 5; |
| 3026 | |
| 3027 | ptr = (u32 *)&psxM[0x0874]; // b0 table |
| 3028 | ptr[0] = SWAPu32(0x4c54 - 0x884); |
| 3029 | |
| 3030 | ptr = (u32 *)&psxM[0x0674]; // c0 table |
| 3031 | ptr[6] = SWAPu32(0xc80); |
| 3032 | |
| 3033 | memset(SysIntRP, 0, sizeof(SysIntRP)); |
| 3034 | memset(ThreadCB, 0, sizeof(ThreadCB)); |
| 3035 | ThreadCB[0].status = 2; // main thread |
| 3036 | |
| 3037 | pad_stopped = 1; |
| 3038 | jmp_int = NULL; |
| 3039 | pad_buf = NULL; |
| 3040 | pad_buf1 = NULL; |
| 3041 | pad_buf2 = NULL; |
| 3042 | pad_buf1len = pad_buf2len = 0; |
| 3043 | heap_addr = NULL; |
| 3044 | heap_end = NULL; |
| 3045 | heap_size = 0; |
| 3046 | CardState = -1; |
| 3047 | CurThread = 0; |
| 3048 | memset(FDesc, 0, sizeof(FDesc)); |
| 3049 | card_active_chan = 0; |
| 3050 | |
| 3051 | psxMu32ref(0x0150) = SWAPu32(0x160); |
| 3052 | psxMu32ref(0x0154) = SWAPu32(0x320); |
| 3053 | psxMu32ref(0x0160) = SWAPu32(0x248); |
| 3054 | strcpy((char *)&psxM[0x248], "bu"); |
| 3055 | /* psxMu32ref(0x0ca8) = SWAPu32(0x1f410004); |
| 3056 | psxMu32ref(0x0cf0) = SWAPu32(0x3c020000); |
| 3057 | psxMu32ref(0x0cf4) = SWAPu32(0x2442641c); |
| 3058 | psxMu32ref(0x09e0) = SWAPu32(0x43d0); |
| 3059 | psxMu32ref(0x4d98) = SWAPu32(0x946f000a); |
| 3060 | */ |
| 3061 | // opcode HLE |
| 3062 | psxRu32ref(0x0000) = SWAPu32((0x3b << 26) | 4); |
| 3063 | /* Whatever this does, it actually breaks CTR, even without the uninitiliazed memory patch. |
| 3064 | Normally games shouldn't read from address 0 yet they do. See explanation below in details. */ |
| 3065 | //psxMu32ref(0x0000) = SWAPu32((0x3b << 26) | 0); |
| 3066 | psxMu32ref(0x00a0) = SWAPu32((0x3b << 26) | 1); |
| 3067 | psxMu32ref(0x00b0) = SWAPu32((0x3b << 26) | 2); |
| 3068 | psxMu32ref(0x00c0) = SWAPu32((0x3b << 26) | 3); |
| 3069 | psxMu32ref(0x4c54) = SWAPu32((0x3b << 26) | 0); |
| 3070 | psxMu32ref(0x8000) = SWAPu32((0x3b << 26) | 5); |
| 3071 | psxMu32ref(0x07a0) = SWAPu32((0x3b << 26) | 0); |
| 3072 | psxMu32ref(0x0884) = SWAPu32((0x3b << 26) | 0); |
| 3073 | psxMu32ref(0x0894) = SWAPu32((0x3b << 26) | 0); |
| 3074 | |
| 3075 | // initial stack pointer for BIOS interrupt |
| 3076 | psxMu32ref(0x6c80) = SWAPu32(0x000085c8); |
| 3077 | |
| 3078 | // initial RNG seed |
| 3079 | psxMu32ref(0x9010) = SWAPu32(0xac20cc00); |
| 3080 | |
| 3081 | // fonts |
| 3082 | len = 0x80000 - 0x66000; |
| 3083 | uncompress((Bytef *)(psxR + 0x66000), &len, font_8140, sizeof(font_8140)); |
| 3084 | len = 0x80000 - 0x69d68; |
| 3085 | uncompress((Bytef *)(psxR + 0x69d68), &len, font_889f, sizeof(font_889f)); |
| 3086 | |
| 3087 | // memory size 2 MB |
| 3088 | psxHu32ref(0x1060) = SWAPu32(0x00000b88); |
| 3089 | |
| 3090 | hleSoftCall = FALSE; |
| 3091 | |
| 3092 | /* Some games like R-Types, CTR, Fade to Black read from adress 0x00000000 due to uninitialized pointers. |
| 3093 | See Garbage Area at Address 00000000h in Nocash PSX Specfications for more information. |
| 3094 | Here are some examples of games not working with this fix in place : |
| 3095 | R-type won't get past the Irem logo if not implemented. |
| 3096 | Crash Team Racing will softlock after the Sony logo. |
| 3097 | */ |
| 3098 | |
| 3099 | psxMu32ref(0x0000) = SWAPu32(0x00000003); |
| 3100 | /* |
| 3101 | But overwritten by 00000003h after soon. |
| 3102 | psxMu32ref(0x0000) = SWAPu32(0x00001A3C); |
| 3103 | */ |
| 3104 | psxMu32ref(0x0004) = SWAPu32(0x800C5A27); |
| 3105 | psxMu32ref(0x0008) = SWAPu32(0x08000403); |
| 3106 | psxMu32ref(0x000C) = SWAPu32(0x00000000); |
| 3107 | } |
| 3108 | |
| 3109 | void psxBiosShutdown() { |
| 3110 | } |
| 3111 | |
| 3112 | #define psxBios_PADpoll(pad) { \ |
| 3113 | PAD##pad##_startPoll(pad); \ |
| 3114 | pad_buf##pad[0] = 0; \ |
| 3115 | pad_buf##pad[1] = PAD##pad##_poll(0x42); \ |
| 3116 | if (!(pad_buf##pad[1] & 0x0f)) { \ |
| 3117 | bufcount = 32; \ |
| 3118 | } else { \ |
| 3119 | bufcount = (pad_buf##pad[1] & 0x0f) * 2; \ |
| 3120 | } \ |
| 3121 | PAD##pad##_poll(0); \ |
| 3122 | i = 2; \ |
| 3123 | while (bufcount--) { \ |
| 3124 | pad_buf##pad[i++] = PAD##pad##_poll(0); \ |
| 3125 | } \ |
| 3126 | } |
| 3127 | |
| 3128 | void biosInterrupt() { |
| 3129 | int i, bufcount; |
| 3130 | |
| 3131 | // if (psxHu32(0x1070) & 0x1) { // Vsync |
| 3132 | if (pad_buf != NULL) { |
| 3133 | u32 *buf = (u32*)pad_buf; |
| 3134 | |
| 3135 | if (!Config.UseNet) { |
| 3136 | PAD1_startPoll(1); |
| 3137 | if (PAD1_poll(0x42) == 0x23) { |
| 3138 | PAD1_poll(0); |
| 3139 | *buf = PAD1_poll(0) << 8; |
| 3140 | *buf |= PAD1_poll(0); |
| 3141 | PAD1_poll(0); |
| 3142 | *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 6 : 0); |
| 3143 | *buf &= ~((PAD1_poll(0) > 0x20) ? 1 << 7 : 0); |
| 3144 | } else { |
| 3145 | PAD1_poll(0); |
| 3146 | *buf = PAD1_poll(0) << 8; |
| 3147 | *buf|= PAD1_poll(0); |
| 3148 | } |
| 3149 | |
| 3150 | PAD2_startPoll(2); |
| 3151 | if (PAD2_poll(0x42) == 0x23) { |
| 3152 | PAD2_poll(0); |
| 3153 | *buf |= PAD2_poll(0) << 24; |
| 3154 | *buf |= PAD2_poll(0) << 16; |
| 3155 | PAD2_poll(0); |
| 3156 | *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 22 : 0); |
| 3157 | *buf &= ~((PAD2_poll(0) > 0x20) ? 1 << 23 : 0); |
| 3158 | } else { |
| 3159 | PAD2_poll(0); |
| 3160 | *buf |= PAD2_poll(0) << 24; |
| 3161 | *buf |= PAD2_poll(0) << 16; |
| 3162 | } |
| 3163 | } else { |
| 3164 | u16 data; |
| 3165 | |
| 3166 | PAD1_startPoll(1); |
| 3167 | PAD1_poll(0x42); |
| 3168 | PAD1_poll(0); |
| 3169 | data = PAD1_poll(0) << 8; |
| 3170 | data |= PAD1_poll(0); |
| 3171 | |
| 3172 | if (NET_sendPadData(&data, 2) == -1) |
| 3173 | netError(); |
| 3174 | |
| 3175 | if (NET_recvPadData(&((u16*)buf)[0], 1) == -1) |
| 3176 | netError(); |
| 3177 | if (NET_recvPadData(&((u16*)buf)[1], 2) == -1) |
| 3178 | netError(); |
| 3179 | } |
| 3180 | } |
| 3181 | if (Config.UseNet && pad_buf1 != NULL && pad_buf2 != NULL) { |
| 3182 | psxBios_PADpoll(1); |
| 3183 | |
| 3184 | if (NET_sendPadData(pad_buf1, i) == -1) |
| 3185 | netError(); |
| 3186 | |
| 3187 | if (NET_recvPadData(pad_buf1, 1) == -1) |
| 3188 | netError(); |
| 3189 | if (NET_recvPadData(pad_buf2, 2) == -1) |
| 3190 | netError(); |
| 3191 | } else { |
| 3192 | if (!pad_stopped) { |
| 3193 | if (pad_buf1) { |
| 3194 | psxBios_PADpoll(1); |
| 3195 | } |
| 3196 | |
| 3197 | if (pad_buf2) { |
| 3198 | psxBios_PADpoll(2); |
| 3199 | } |
| 3200 | } |
| 3201 | } |
| 3202 | |
| 3203 | if (psxHu32(0x1070) & 0x1) { // Vsync |
| 3204 | if (RcEV[3][1].status == EvStACTIVE) { |
| 3205 | softCall(RcEV[3][1].fhandler); |
| 3206 | // hwWrite32(0x1f801070, ~(1)); |
| 3207 | } |
| 3208 | } |
| 3209 | |
| 3210 | if (psxHu32(0x1070) & 0x70) { // Rcnt 0,1,2 |
| 3211 | int i; |
| 3212 | |
| 3213 | for (i = 0; i < 3; i++) { |
| 3214 | if (psxHu32(0x1070) & (1 << (i + 4))) { |
| 3215 | if (RcEV[i][1].status == EvStACTIVE) { |
| 3216 | softCall(RcEV[i][1].fhandler); |
| 3217 | } |
| 3218 | psxHwWrite32(0x1f801070, ~(1 << (i + 4))); |
| 3219 | } |
| 3220 | } |
| 3221 | } |
| 3222 | } |
| 3223 | |
| 3224 | void psxBiosException() { |
| 3225 | int i; |
| 3226 | |
| 3227 | switch (psxRegs.CP0.n.Cause & 0x3c) { |
| 3228 | case 0x00: // Interrupt |
| 3229 | interrupt_r26=psxRegs.CP0.n.EPC; |
| 3230 | #ifdef PSXCPU_LOG |
| 3231 | // PSXCPU_LOG("interrupt\n"); |
| 3232 | #endif |
| 3233 | SaveRegs(); |
| 3234 | |
| 3235 | sp = psxMu32(0x6c80); // create new stack for interrupt handlers |
| 3236 | |
| 3237 | biosInterrupt(); |
| 3238 | |
| 3239 | for (i = 0; i < 8; i++) { |
| 3240 | if (SysIntRP[i]) { |
| 3241 | u32 *queue = (u32 *)PSXM(SysIntRP[i]); |
| 3242 | |
| 3243 | s0 = queue[2]; |
| 3244 | softCall(queue[1]); |
| 3245 | } |
| 3246 | } |
| 3247 | |
| 3248 | if (jmp_int != NULL) { |
| 3249 | int i; |
| 3250 | |
| 3251 | psxHwWrite32(0x1f801070, 0xffffffff); |
| 3252 | |
| 3253 | ra = jmp_int[0]; |
| 3254 | sp = jmp_int[1]; |
| 3255 | fp = jmp_int[2]; |
| 3256 | for (i = 0; i < 8; i++) // s0-s7 |
| 3257 | psxRegs.GPR.r[16 + i] = jmp_int[3 + i]; |
| 3258 | gp = jmp_int[11]; |
| 3259 | |
| 3260 | v0 = 1; |
| 3261 | pc0 = ra; |
| 3262 | return; |
| 3263 | } |
| 3264 | psxHwWrite16(0x1f801070, 0); |
| 3265 | break; |
| 3266 | |
| 3267 | case 0x20: // Syscall |
| 3268 | #ifdef PSXCPU_LOG |
| 3269 | PSXCPU_LOG("syscall exp %x\n", a0); |
| 3270 | #endif |
| 3271 | switch (a0) { |
| 3272 | case 1: // EnterCritical - disable irq's |
| 3273 | /* Fixes Medievil 2 not loading up new game, Digimon World not booting up and possibly others */ |
| 3274 | v0 = (psxRegs.CP0.n.Status & 0x404) == 0x404; |
| 3275 | psxRegs.CP0.n.Status &= ~0x404; |
| 3276 | break; |
| 3277 | |
| 3278 | case 2: // ExitCritical - enable irq's |
| 3279 | psxRegs.CP0.n.Status |= 0x404; |
| 3280 | break; |
| 3281 | /* Normally this should cover SYS(00h, SYS(04h but they don't do anything relevant so... */ |
| 3282 | default: |
| 3283 | break; |
| 3284 | } |
| 3285 | pc0 = psxRegs.CP0.n.EPC + 4; |
| 3286 | |
| 3287 | psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) | |
| 3288 | ((psxRegs.CP0.n.Status & 0x3c) >> 2); |
| 3289 | return; |
| 3290 | |
| 3291 | default: |
| 3292 | #ifdef PSXCPU_LOG |
| 3293 | PSXCPU_LOG("unknown bios exception!\n"); |
| 3294 | #endif |
| 3295 | break; |
| 3296 | } |
| 3297 | |
| 3298 | pc0 = psxRegs.CP0.n.EPC; |
| 3299 | if (psxRegs.CP0.n.Cause & 0x80000000) pc0+=4; |
| 3300 | |
| 3301 | psxRegs.CP0.n.Status = (psxRegs.CP0.n.Status & 0xfffffff0) | |
| 3302 | ((psxRegs.CP0.n.Status & 0x3c) >> 2); |
| 3303 | } |
| 3304 | |
| 3305 | #define bfreeze(ptr, size) { \ |
| 3306 | if (Mode == 1) memcpy(&psxR[base], ptr, size); \ |
| 3307 | if (Mode == 0) memcpy(ptr, &psxR[base], size); \ |
| 3308 | base += size; \ |
| 3309 | } |
| 3310 | |
| 3311 | #define bfreezes(ptr) bfreeze(ptr, sizeof(ptr)) |
| 3312 | #define bfreezel(ptr) bfreeze(ptr, sizeof(*ptr)) |
| 3313 | |
| 3314 | #define bfreezepsxMptr(ptr, type) { \ |
| 3315 | if (Mode == 1) { \ |
| 3316 | if (ptr) psxRu32ref(base) = SWAPu32((s8 *)(ptr) - psxM); \ |
| 3317 | else psxRu32ref(base) = 0; \ |
| 3318 | } else { \ |
| 3319 | if (psxRu32(base) != 0) ptr = (type *)(psxM + psxRu32(base)); \ |
| 3320 | else (ptr) = NULL; \ |
| 3321 | } \ |
| 3322 | base += sizeof(u32); \ |
| 3323 | } |
| 3324 | |
| 3325 | void psxBiosFreeze(int Mode) { |
| 3326 | u32 base = 0x40000; |
| 3327 | |
| 3328 | bfreezepsxMptr(jmp_int, u32); |
| 3329 | bfreezepsxMptr(pad_buf, int); |
| 3330 | bfreezepsxMptr(pad_buf1, char); |
| 3331 | bfreezepsxMptr(pad_buf2, char); |
| 3332 | bfreezepsxMptr(heap_addr, u32); |
| 3333 | bfreezel(&pad_buf1len); |
| 3334 | bfreezel(&pad_buf2len); |
| 3335 | bfreezes(regs); |
| 3336 | bfreezes(SysIntRP); |
| 3337 | bfreezel(&CardState); |
| 3338 | bfreezes(ThreadCB); |
| 3339 | bfreezel(&CurThread); |
| 3340 | bfreezes(FDesc); |
| 3341 | bfreezel(&card_active_chan); |
| 3342 | bfreezel(&pad_stopped); |
| 3343 | bfreezel(&heap_size); |
| 3344 | } |