| cc68a136 |
1 | // (c) Copyright 2006 notaz, All rights reserved.\r |
| 2 | // Free for non-commercial use.\r |
| 3 | \r |
| 4 | // For commercial use, separate licencing terms must be obtained.\r |
| 5 | \r |
| 6 | #include <stdio.h>\r |
| 7 | #include <stdlib.h>\r |
| 8 | #include <sys/time.h>\r |
| 9 | #include <linux/limits.h>\r |
| 10 | #include <ctype.h>\r |
| 11 | #include <unistd.h>\r |
| 12 | \r |
| 13 | #include <stdarg.h>\r |
| 14 | \r |
| 15 | #include "emu.h"\r |
| 16 | #include "gp2x.h"\r |
| 17 | #include "usbjoy.h"\r |
| 18 | #include "menu.h"\r |
| 19 | #include "asmutils.h"\r |
| 20 | #include "cpuctrl.h"\r |
| 21 | \r |
| 22 | #include "Pico/PicoInt.h"\r |
| 23 | #include "zlib/zlib.h"\r |
| 24 | \r |
| 25 | \r |
| 26 | #ifdef BENCHMARK\r |
| 27 | #define OSD_FPS_X 220\r |
| 28 | #else\r |
| 29 | #define OSD_FPS_X 260\r |
| 30 | #endif\r |
| 31 | \r |
| 32 | // PicoPad[] format: SACB RLDU\r |
| 33 | char *actionNames[] = {\r |
| 34 | "UP", "DOWN", "LEFT", "RIGHT", "B", "C", "A", "START",\r |
| 35 | 0, 0, 0, 0, 0, 0, 0, 0, // Z, Y, X, MODE (enabled only when needed), ?, ?, ?, ?\r |
| 36 | 0, 0, 0, 0, 0, 0, 0, "ENTER MENU", // player2_flag, ?, ?, ?, ?, ?, ?, menu\r |
| 37 | "NEXT SAVE SLOT", "PREV SAVE SLOT", "SWITCH RENDERER", "SAVE STATE",\r |
| 38 | "LOAD STATE", "VOLUME UP", "VOLUME DOWN", "DONE"\r |
| 39 | };\r |
| 40 | \r |
| 41 | int engineState;\r |
| 42 | int select_exits = 0;\r |
| 43 | char *PicoConfigFile = "picoconfig.bin";\r |
| 44 | currentConfig_t currentConfig;\r |
| 45 | \r |
| 46 | char romFileName[PATH_MAX];\r |
| 47 | unsigned char *rom_data = NULL;\r |
| 48 | \r |
| 49 | extern int crashed_940;\r |
| 50 | \r |
| 51 | static char noticeMsg[64]; // notice msg to draw\r |
| 52 | static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r |
| 53 | static int reset_timing, osd_fps_x;\r |
| 54 | static int combo_keys = 0, combo_acts = 0; // keys and actions which need button combos\r |
| 55 | static int gp2x_old_gamma = 100;\r |
| 56 | static unsigned char *movie_data = NULL;\r |
| 57 | static int movie_size = 0;\r |
| cc68a136 |
58 | unsigned char *framebuff = 0; // temporary buffer for alt renderer\r |
| 59 | int state_slot = 0;\r |
| 60 | \r |
| 61 | /*\r |
| 62 | // tmp\r |
| 63 | static FILE *logf = NULL;\r |
| 64 | \r |
| 65 | void pprintf(char *texto, ...)\r |
| 66 | {\r |
| 67 | va_list args;\r |
| 68 | \r |
| 69 | va_start(args,texto);\r |
| 70 | vfprintf(logf,texto,args);\r |
| 71 | va_end(args);\r |
| 72 | fflush(logf);\r |
| 73 | sync();\r |
| 74 | }\r |
| 75 | */\r |
| 76 | // utilities\r |
| 77 | static void strlwr(char* string)\r |
| 78 | {\r |
| 79 | while ( (*string++ = (char)tolower(*string)) );\r |
| 80 | }\r |
| 81 | \r |
| 672ad671 |
82 | static int try_rfn_cut(void)\r |
| cc68a136 |
83 | {\r |
| 84 | FILE *tmp;\r |
| 85 | char *p;\r |
| 86 | \r |
| 672ad671 |
87 | p = romFileName + strlen(romFileName) - 1;\r |
| 88 | for (; p > romFileName; p--)\r |
| 89 | if (*p == '.') break;\r |
| 90 | *p = 0;\r |
| cc68a136 |
91 | \r |
| 92 | if((tmp = fopen(romFileName, "rb"))) {\r |
| 93 | fclose(tmp);\r |
| 94 | return 1;\r |
| 95 | }\r |
| 96 | return 0;\r |
| 97 | }\r |
| 98 | \r |
| bf098bc5 |
99 | static void get_ext(char *file, char *ext)\r |
| 8c1952f0 |
100 | {\r |
| 101 | char *p;\r |
| 102 | \r |
| bf098bc5 |
103 | p = file + strlen(file) - 4;\r |
| 104 | if (p < file) p = file;\r |
| 8c1952f0 |
105 | strncpy(ext, p, 4);\r |
| 106 | ext[4] = 0;\r |
| 107 | strlwr(ext);\r |
| 108 | }\r |
| 109 | \r |
| bf098bc5 |
110 | char *biosfiles_us[] = { "us_scd2_9306", "SegaCDBIOS9303", "us_scd1_9210" };\r |
| 111 | char *biosfiles_eu[] = { "eu_mcd2_9306", "eu_mcd2_9303", "eu_mcd1_9210" };\r |
| 112 | char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r |
| 113 | \r |
| 114 | extern char **g_argv;\r |
| 115 | \r |
| 116 | int find_bios(int region, char **bios_file)\r |
| 117 | {\r |
| 118 | static char bios_path[1024];\r |
| 119 | int i, j, count;\r |
| 120 | char **files;\r |
| 121 | FILE *f = NULL;\r |
| 122 | \r |
| 123 | if (region == 4) { // US\r |
| 124 | files = biosfiles_us;\r |
| 125 | count = sizeof(biosfiles_us) / sizeof(char *);\r |
| 126 | } else if (region == 8) { // EU\r |
| 127 | files = biosfiles_eu;\r |
| 128 | count = sizeof(biosfiles_eu) / sizeof(char *);\r |
| 129 | } else if (region == 1 || region == 2) {\r |
| 130 | files = biosfiles_jp;\r |
| 131 | count = sizeof(biosfiles_jp) / sizeof(char *);\r |
| 132 | } else {\r |
| 133 | return 0;\r |
| 134 | }\r |
| 135 | \r |
| 136 | for (i = 0; i < count; i++)\r |
| 137 | {\r |
| 138 | strncpy(bios_path, g_argv[0], 1023);\r |
| 139 | bios_path[1024-32] = 0;\r |
| 140 | for (j = strlen(bios_path); j > 0; j--)\r |
| 141 | if (bios_path[j] == '/') { bios_path[j+1] = 0; break; }\r |
| 142 | strcat(bios_path, files[i]);\r |
| 143 | strcat(bios_path, ".bin");\r |
| 144 | f = fopen(bios_path, "rb");\r |
| 145 | if (f) break;\r |
| 146 | \r |
| 147 | bios_path[strlen(bios_path) - 4] = 0;\r |
| 148 | strcat(bios_path, ".zip");\r |
| 149 | f = fopen(bios_path, "rb");\r |
| 150 | if (f) break;\r |
| 151 | }\r |
| 152 | \r |
| 153 | if (f) {\r |
| 154 | printf("using bios: %s\n", bios_path);\r |
| 155 | fclose(f);\r |
| 156 | if (bios_file) *bios_file = bios_path;\r |
| 157 | return 1;\r |
| 158 | } else {\r |
| 159 | sprintf(menuErrorMsg, "no %s BIOS files found, read docs",\r |
| 160 | region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r |
| 161 | printf("%s\n", menuErrorMsg);\r |
| 162 | return 0;\r |
| 163 | }\r |
| 164 | }\r |
| 165 | \r |
| 166 | /* checks if romFileName points to valid MegaCD image\r |
| 167 | * if so, checks for suitable BIOS */\r |
| 168 | static int cd_check(char *ext, char **bios_file)\r |
| 169 | {\r |
| 170 | unsigned char buf[32];\r |
| 171 | FILE *cd_f;\r |
| 172 | int type = 0, region = 4; // 1: Japan, 4: US, 8: Europe\r |
| 173 | \r |
| 174 | cd_f = fopen(romFileName, "rb");\r |
| 175 | if (!cd_f) return 0; // let the upper level handle this\r |
| 176 | \r |
| 177 | if (fread(buf, 1, 32, cd_f) != 32) {\r |
| 178 | fclose(cd_f);\r |
| 179 | return 0;\r |
| 180 | }\r |
| 181 | \r |
| 182 | if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) type = 1; // Sega CD (ISO)\r |
| 183 | if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) type = 2; // Sega CD (BIN)\r |
| 184 | if (type == 0) {\r |
| 185 | fclose(cd_f);\r |
| 186 | return 0;\r |
| 187 | }\r |
| 188 | \r |
| 189 | /* it seems we have a CD image here. Try to detect region and load a suitable BIOS now.. */\r |
| 190 | fseek(cd_f, (type == 1) ? 0x100 : 0x110, SEEK_SET);\r |
| 191 | fread(buf, 1, 1, cd_f);\r |
| 192 | fclose(cd_f);\r |
| 193 | \r |
| 194 | if (buf[0] == 0x64) region = 4; // EU\r |
| 195 | if (buf[0] == 0xa1) region = 1; // JAP\r |
| 196 | \r |
| 197 | printf("detected %s Sega/Mega CD image with %s region\n",\r |
| 198 | type == 2 ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r |
| 199 | \r |
| 200 | if (PicoRegionOverride) {\r |
| 201 | region = PicoRegionOverride;\r |
| 202 | printf("overrided region to %s\n", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r |
| 203 | }\r |
| 204 | \r |
| 205 | if(find_bios(region, bios_file))\r |
| 206 | return type; // CD and BIOS detected\r |
| 207 | \r |
| 208 | return -1; // CD detected but load failed\r |
| 209 | }\r |
| 210 | \r |
| cc68a136 |
211 | int emu_ReloadRom(void)\r |
| 212 | {\r |
| 213 | unsigned int rom_size = 0;\r |
| bf098bc5 |
214 | char *used_rom_name = romFileName;\r |
| 8c1952f0 |
215 | char ext[5];\r |
| cc68a136 |
216 | FILE *rom;\r |
| bf098bc5 |
217 | int ret, cd_state;\r |
| cc68a136 |
218 | \r |
| 219 | printf("emu_ReloadRom(%s)\n", romFileName);\r |
| 220 | \r |
| bf098bc5 |
221 | get_ext(romFileName, ext);\r |
| cc68a136 |
222 | \r |
| bf098bc5 |
223 | // detect wrong extensions\r |
| cc68a136 |
224 | if(!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz\r |
| 225 | sprintf(menuErrorMsg, "Not a ROM selected.");\r |
| 226 | return 0;\r |
| 227 | }\r |
| 228 | \r |
| 229 | // check for movie file\r |
| 230 | if(movie_data) {\r |
| 231 | free(movie_data);\r |
| 232 | movie_data = 0;\r |
| 233 | }\r |
| 234 | if(!strcmp(ext, ".gmv")) {\r |
| 235 | // check for both gmv and rom\r |
| 236 | int dummy;\r |
| 237 | FILE *movie_file = fopen(romFileName, "rb");\r |
| 238 | if(!movie_file) {\r |
| 239 | sprintf(menuErrorMsg, "Failed to open movie.");\r |
| 240 | return 0;\r |
| 241 | }\r |
| 242 | fseek(movie_file, 0, SEEK_END);\r |
| 243 | movie_size = ftell(movie_file);\r |
| 244 | fseek(movie_file, 0, SEEK_SET);\r |
| 245 | if(movie_size < 64+3) {\r |
| 246 | sprintf(menuErrorMsg, "Invalid GMV file.");\r |
| 247 | fclose(movie_file);\r |
| 248 | return 0;\r |
| 249 | }\r |
| 250 | movie_data = malloc(movie_size);\r |
| 251 | if(movie_data == NULL) {\r |
| 252 | sprintf(menuErrorMsg, "low memory.");\r |
| 253 | fclose(movie_file);\r |
| 254 | return 0;\r |
| 255 | }\r |
| 256 | fread(movie_data, 1, movie_size, movie_file);\r |
| 257 | fclose(movie_file);\r |
| 258 | if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r |
| 259 | sprintf(menuErrorMsg, "Invalid GMV file.");\r |
| 260 | return 0;\r |
| 261 | }\r |
| 672ad671 |
262 | dummy = try_rfn_cut() || try_rfn_cut();\r |
| cc68a136 |
263 | if (!dummy) {\r |
| 264 | sprintf(menuErrorMsg, "Could't find a ROM for movie.");\r |
| 265 | return 0;\r |
| 266 | }\r |
| bf098bc5 |
267 | get_ext(romFileName, ext);\r |
| cc68a136 |
268 | }\r |
| 269 | \r |
| bf098bc5 |
270 | // check for MegaCD image\r |
| 271 | cd_state = cd_check(ext, &used_rom_name);\r |
| 272 | if (cd_state > 0) {\r |
| 273 | PicoMCD |= 1;\r |
| 274 | get_ext(used_rom_name, ext);\r |
| 275 | } else if (cd_state == -1) {\r |
| 276 | // bios_help() ?\r |
| 277 | return 0;\r |
| 278 | } else {\r |
| 279 | PicoMCD &= ~1;\r |
| 280 | }\r |
| 281 | \r |
| 282 | rom = fopen(used_rom_name, "rb");\r |
| cc68a136 |
283 | if(!rom) {\r |
| 284 | sprintf(menuErrorMsg, "Failed to open rom.");\r |
| 285 | return 0;\r |
| 286 | }\r |
| 287 | \r |
| 288 | if(rom_data) {\r |
| 289 | free(rom_data);\r |
| 290 | rom_data = 0;\r |
| 291 | rom_size = 0;\r |
| 292 | }\r |
| 293 | \r |
| 294 | // zipfile support\r |
| 295 | if(!strcasecmp(ext, ".zip")) {\r |
| 296 | fclose(rom);\r |
| bf098bc5 |
297 | ret = CartLoadZip(used_rom_name, &rom_data, &rom_size);\r |
| cc68a136 |
298 | if(ret) {\r |
| bf098bc5 |
299 | if (ret == 4) strcpy(menuErrorMsg, "No ROMs found in zip.");\r |
| cc68a136 |
300 | else sprintf(menuErrorMsg, "Unzip failed with code %i", ret);\r |
| 301 | printf("%s\n", menuErrorMsg);\r |
| 302 | return 0;\r |
| 303 | }\r |
| 304 | } else {\r |
| 305 | if( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {\r |
| 306 | sprintf(menuErrorMsg, "PicoCartLoad() failed.");\r |
| 307 | printf("%s\n", menuErrorMsg);\r |
| 308 | fclose(rom);\r |
| 309 | return 0;\r |
| 310 | }\r |
| 311 | fclose(rom);\r |
| 312 | }\r |
| 313 | \r |
| 314 | // detect wrong files (Pico crashes on very small files), also see if ROM EP is good\r |
| 315 | if(rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||\r |
| 316 | ((*(unsigned short *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {\r |
| 317 | if (rom_data) free(rom_data);\r |
| 318 | rom_data = 0;\r |
| 319 | sprintf(menuErrorMsg, "Not a ROM selected.");\r |
| 320 | return 0;\r |
| 321 | }\r |
| 322 | \r |
| bf098bc5 |
323 | // load config for this ROM (do this before insert to get correct region)\r |
| 324 | ret = emu_ReadConfig(1);\r |
| 325 | if (!ret)\r |
| 326 | emu_ReadConfig(0);\r |
| 327 | \r |
| cc68a136 |
328 | printf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);\r |
| 329 | if(PicoCartInsert(rom_data, rom_size)) {\r |
| 330 | sprintf(menuErrorMsg, "Failed to load ROM.");\r |
| 331 | return 0;\r |
| 332 | }\r |
| 333 | \r |
| bf098bc5 |
334 | Pico.m.frame_count = 0;\r |
| 335 | \r |
| 336 | // insert CD if it was detected\r |
| 337 | if (cd_state > 0) {\r |
| 338 | ret = Insert_CD(romFileName, cd_state == 2);\r |
| 339 | if (ret != 0) {\r |
| 340 | sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?");\r |
| 341 | printf("%s\n", menuErrorMsg);\r |
| 342 | return 0;\r |
| 343 | }\r |
| 344 | }\r |
| cc68a136 |
345 | \r |
| 346 | // emu_ReadConfig() might have messed currentConfig.lastRomFile\r |
| 347 | strncpy(currentConfig.lastRomFile, romFileName, sizeof(currentConfig.lastRomFile)-1);\r |
| 348 | currentConfig.lastRomFile[sizeof(currentConfig.lastRomFile)-1] = 0;\r |
| 349 | \r |
| 350 | // additional movie stuff\r |
| 351 | if(movie_data) {\r |
| 352 | if(movie_data[0x14] == '6')\r |
| 353 | PicoOpt |= 0x20; // 6 button pad\r |
| 354 | else PicoOpt &= ~0x20;\r |
| 4f672280 |
355 | PicoOpt |= 0x40; // accurate timing\r |
| cc68a136 |
356 | if(movie_data[0xF] >= 'A') {\r |
| 4f672280 |
357 | if(movie_data[0x16] & 0x80) {\r |
| 358 | PicoRegionOverride = 8;\r |
| 359 | } else {\r |
| 360 | PicoRegionOverride = 4;\r |
| 361 | }\r |
| 362 | PicoReset(0);\r |
| cc68a136 |
363 | // TODO: bits 6 & 5\r |
| 364 | }\r |
| 4f672280 |
365 | movie_data[0x18+30] = 0;\r |
| 366 | sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);\r |
| cc68a136 |
367 | }\r |
| 368 | else\r |
| 369 | {\r |
| 370 | if(Pico.m.pal) {\r |
| 371 | strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");\r |
| 372 | } else {\r |
| 373 | strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");\r |
| 374 | }\r |
| 375 | }\r |
| 376 | gettimeofday(¬iceMsgTime, 0);\r |
| 377 | \r |
| 378 | // load SRAM for this ROM\r |
| 379 | if(currentConfig.EmuOpt & 1)\r |
| 380 | emu_SaveLoadGame(1, 1);\r |
| 381 | \r |
| cc68a136 |
382 | return 1;\r |
| 383 | }\r |
| 384 | \r |
| 385 | \r |
| 386 | void emu_Init(void)\r |
| 387 | {\r |
| 388 | // make temp buffer for alt renderer\r |
| 389 | framebuff = malloc((8+320)*(8+240+8));\r |
| 390 | if (!framebuff)\r |
| 391 | {\r |
| 392 | printf("framebuff == 0\n");\r |
| 393 | }\r |
| 394 | \r |
| 395 | PicoInit();\r |
| 396 | \r |
| 397 | // logf = fopen("log.txt", "w");\r |
| 398 | }\r |
| 399 | \r |
| 400 | \r |
| 401 | static void romfname_ext(char *dst, char *ext)\r |
| 402 | {\r |
| 403 | char *p;\r |
| 404 | \r |
| 405 | // make save filename\r |
| 406 | for (p = romFileName+strlen(romFileName)-1; p >= romFileName && *p != '/'; p--); p++;\r |
| 407 | strncpy(dst, p, 511);\r |
| 408 | dst[511-8] = 0;\r |
| 409 | if(dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;\r |
| 410 | strcat(dst, ext);\r |
| 411 | }\r |
| 412 | \r |
| 413 | \r |
| 414 | static void find_combos(void)\r |
| 415 | {\r |
| 416 | int act, u;\r |
| 417 | \r |
| 418 | // find out which keys and actions are combos\r |
| 419 | combo_keys = combo_acts = 0;\r |
| 420 | for (act = 0; act < 32; act++)\r |
| 421 | {\r |
| 422 | int keyc = 0;\r |
| 423 | if (act == 16) continue; // player2 flag\r |
| 424 | for (u = 0; u < 32; u++)\r |
| 425 | {\r |
| 426 | if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;\r |
| 427 | }\r |
| 428 | if (keyc > 1)\r |
| 429 | {\r |
| 430 | // loop again and mark those keys and actions as combo\r |
| 431 | for (u = 0; u < 32; u++)\r |
| 432 | {\r |
| 433 | if (currentConfig.KeyBinds[u] & (1 << act)) {\r |
| 434 | combo_keys |= 1 << u;\r |
| 435 | combo_acts |= 1 << act;\r |
| 436 | }\r |
| 437 | }\r |
| 438 | }\r |
| 439 | }\r |
| 440 | // printf("combo keys/acts: %08x %08x\n", combo_keys, combo_acts);\r |
| 441 | }\r |
| 442 | \r |
| 443 | \r |
| 444 | int emu_ReadConfig(int game)\r |
| 445 | {\r |
| 446 | FILE *f;\r |
| 447 | char cfg[512];\r |
| 448 | int bread = 0;\r |
| 449 | \r |
| 450 | if (!game)\r |
| 451 | {\r |
| 452 | // set default config\r |
| 453 | memset(¤tConfig, 0, sizeof(currentConfig));\r |
| 454 | currentConfig.lastRomFile[0] = 0;\r |
| 455 | currentConfig.EmuOpt = 0x1f;\r |
| 456 | currentConfig.PicoOpt = 0x0f;\r |
| 457 | currentConfig.PsndRate = 22050;\r |
| 458 | currentConfig.PicoRegion = 0; // auto\r |
| 459 | currentConfig.Frameskip = -1; // auto\r |
| 460 | currentConfig.CPUclock = 200;\r |
| 461 | currentConfig.volume = 50;\r |
| 462 | currentConfig.KeyBinds[ 0] = 1<<0; // SACB RLDU\r |
| 463 | currentConfig.KeyBinds[ 4] = 1<<1;\r |
| 464 | currentConfig.KeyBinds[ 2] = 1<<2;\r |
| 465 | currentConfig.KeyBinds[ 6] = 1<<3;\r |
| 466 | currentConfig.KeyBinds[14] = 1<<4;\r |
| 467 | currentConfig.KeyBinds[13] = 1<<5;\r |
| 468 | currentConfig.KeyBinds[12] = 1<<6;\r |
| 469 | currentConfig.KeyBinds[ 8] = 1<<7;\r |
| 470 | currentConfig.KeyBinds[15] = 1<<26; // switch rend\r |
| 471 | currentConfig.KeyBinds[10] = 1<<27; // save state\r |
| 472 | currentConfig.KeyBinds[11] = 1<<28; // load state\r |
| 473 | currentConfig.KeyBinds[23] = 1<<29; // vol up\r |
| 474 | currentConfig.KeyBinds[22] = 1<<30; // vol down\r |
| 475 | currentConfig.gamma = 100;\r |
| 476 | strncpy(cfg, PicoConfigFile, 511);\r |
| 477 | cfg[511] = 0;\r |
| 478 | } else {\r |
| 479 | romfname_ext(cfg, ".pbcfg");\r |
| 480 | }\r |
| 481 | \r |
| 482 | printf("emu_ReadConfig: %s ", cfg);\r |
| 483 | f = fopen(cfg, "rb");\r |
| 484 | if (f) {\r |
| 485 | bread = fread(¤tConfig, 1, sizeof(currentConfig), f);\r |
| 486 | fclose(f);\r |
| 487 | }\r |
| 488 | printf((bread == sizeof(currentConfig)) ? "(ok)\n" : "(failed)\n");\r |
| 489 | \r |
| 490 | PicoOpt = currentConfig.PicoOpt;\r |
| 491 | PsndRate = currentConfig.PsndRate;\r |
| 492 | PicoRegionOverride = currentConfig.PicoRegion;\r |
| 493 | if (PicoOpt & 0x20) {\r |
| 494 | actionNames[ 8] = "Z"; actionNames[ 9] = "Y";\r |
| 495 | actionNames[10] = "X"; actionNames[11] = "MODE";\r |
| 496 | }\r |
| 497 | // some sanity checks\r |
| 498 | if (currentConfig.CPUclock < 1 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r |
| 499 | if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;\r |
| 500 | // if volume keys are unbound, bind them to volume control\r |
| 501 | if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {\r |
| 502 | currentConfig.KeyBinds[23] = 1<<29; // vol up\r |
| 503 | currentConfig.KeyBinds[22] = 1<<30; // vol down\r |
| 504 | }\r |
| 505 | \r |
| 506 | return (bread == sizeof(currentConfig));\r |
| 507 | }\r |
| 508 | \r |
| 509 | \r |
| 510 | int emu_WriteConfig(int game)\r |
| 511 | {\r |
| 512 | FILE *f;\r |
| 513 | char cfg[512];\r |
| 514 | int bwrite = 0;\r |
| 515 | \r |
| 516 | if (!game)\r |
| 517 | {\r |
| 518 | strncpy(cfg, PicoConfigFile, 511);\r |
| 519 | cfg[511] = 0;\r |
| 520 | } else {\r |
| 521 | romfname_ext(cfg, ".pbcfg");\r |
| 522 | }\r |
| 523 | \r |
| 524 | printf("emu_WriteConfig: %s ", cfg);\r |
| 525 | f = fopen(cfg, "wb");\r |
| 526 | if (f) {\r |
| 527 | currentConfig.PicoOpt = PicoOpt;\r |
| 528 | currentConfig.PsndRate = PsndRate;\r |
| 529 | currentConfig.PicoRegion = PicoRegionOverride;\r |
| 530 | bwrite = fwrite(¤tConfig, 1, sizeof(currentConfig), f);\r |
| 531 | fflush(f);\r |
| 532 | fclose(f);\r |
| 533 | sync();\r |
| 534 | }\r |
| 535 | printf((bwrite == sizeof(currentConfig)) ? "(ok)\n" : "(failed)\n");\r |
| 536 | \r |
| 537 | return (bwrite == sizeof(currentConfig));\r |
| 538 | }\r |
| 539 | \r |
| 540 | \r |
| 541 | void emu_Deinit(void)\r |
| 542 | {\r |
| 543 | // save SRAM\r |
| 544 | if((currentConfig.EmuOpt & 1) && SRam.changed) {\r |
| 545 | emu_SaveLoadGame(0, 1);\r |
| 546 | SRam.changed = 0;\r |
| 547 | }\r |
| 548 | \r |
| 549 | if (!(currentConfig.EmuOpt & 0x20))\r |
| 550 | emu_WriteConfig(0);\r |
| 551 | free(framebuff);\r |
| 552 | \r |
| 553 | PicoExit();\r |
| 554 | // fclose(logf);\r |
| 555 | \r |
| 556 | // restore gamma\r |
| 557 | if (gp2x_old_gamma != 100)\r |
| 558 | set_gamma(100);\r |
| 559 | }\r |
| 560 | \r |
| 561 | \r |
| 562 | void osd_text(int x, int y, char *text)\r |
| 563 | {\r |
| 564 | int len = strlen(text)*8;\r |
| 565 | \r |
| 566 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
| bf098bc5 |
567 | int *p, i, h;\r |
| cc68a136 |
568 | x &= ~3; // align x\r |
| 569 | len = (len+3) >> 2;\r |
| 570 | for (h = 0; h < 8; h++) {\r |
| 571 | p = (int *) ((unsigned char *) gp2x_screen+x+320*(y+h));\r |
| bf098bc5 |
572 | for (i = len; i; i--, p++) *p = 0xe0e0e0e0;\r |
| cc68a136 |
573 | }\r |
| bf098bc5 |
574 | gp2x_text_out8_2(x, y, text, 0xf0);\r |
| cc68a136 |
575 | } else {\r |
| 576 | int *p, i, h;\r |
| 577 | x &= ~1; // align x\r |
| 578 | len = (len+1) >> 1;\r |
| 579 | for (h = 0; h < 8; h++) {\r |
| 580 | p = (int *) ((unsigned short *) gp2x_screen+x+320*(y+h));\r |
| 581 | for (i = len; i; i--, p++) *p = (*p>>2)&0x39e7;\r |
| 582 | }\r |
| 583 | gp2x_text_out15(x, y, text);\r |
| 584 | }\r |
| 585 | }\r |
| 586 | \r |
| bf098bc5 |
587 | static void cd_leds(void)\r |
| 588 | {\r |
| 589 | static int old_reg = 0;\r |
| 590 | if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change\r |
| 591 | old_reg = Pico_mcd->s68k_regs[0];\r |
| 592 | \r |
| 593 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
| 594 | // 8-bit modes\r |
| 595 | unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r |
| 596 | unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r |
| 597 | *(unsigned int *)((char *)gp2x_screen + 320*2+306) =\r |
| 598 | *(unsigned int *)((char *)gp2x_screen + 320*3+306) =\r |
| 599 | *(unsigned int *)((char *)gp2x_screen + 320*4+306) = col_g;\r |
| 600 | *(unsigned int *)((char *)gp2x_screen + 320*2+312) =\r |
| 601 | *(unsigned int *)((char *)gp2x_screen + 320*3+312) =\r |
| 602 | *(unsigned int *)((char *)gp2x_screen + 320*4+312) = col_r;\r |
| 603 | } else {\r |
| 604 | // 16-bit modes\r |
| 605 | unsigned int *p = (unsigned int *)((short *)gp2x_screen + 320*2+306);\r |
| 606 | unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r |
| 607 | unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r |
| 608 | *p++ = col_g; *p++ = col_g; p++; *p++ = col_r; *p++ = col_r; p += 320/2 - 10/2;\r |
| 609 | *p++ = col_g; *p++ = col_g; p++; *p++ = col_r; *p++ = col_r; p += 320/2 - 10/2;\r |
| 610 | *p++ = col_g; *p++ = col_g; p++; *p++ = col_r; *p++ = col_r; p += 320/2 - 10/2;\r |
| 611 | }\r |
| 612 | }\r |
| 613 | \r |
| cc68a136 |
614 | static int EmuScan16(unsigned int num, void *sdata)\r |
| 615 | {\r |
| 616 | if (!(Pico.video.reg[1]&8)) num += 8;\r |
| 617 | DrawLineDest = (unsigned short *) gp2x_screen + 320*(num+1);\r |
| 618 | \r |
| 619 | return 0;\r |
| 620 | }\r |
| 621 | \r |
| 622 | static int EmuScan8(unsigned int num, void *sdata)\r |
| 623 | {\r |
| 624 | if (!(Pico.video.reg[1]&8)) num += 8;\r |
| 625 | DrawLineDest = (unsigned char *) gp2x_screen + 320*(num+1);\r |
| 626 | \r |
| 627 | return 0;\r |
| 628 | }\r |
| 629 | \r |
| 630 | static int localPal[0x100];\r |
| 631 | static void (*vidCpyM2)(void *dest, void *src) = NULL;\r |
| 632 | \r |
| 633 | static void blit(char *fps, char *notice)\r |
| 634 | {\r |
| bf098bc5 |
635 | int emu_opt = currentConfig.EmuOpt;\r |
| 636 | \r |
| cc68a136 |
637 | if (PicoOpt&0x10) {\r |
| 638 | // 8bit fast renderer\r |
| 639 | if (Pico.m.dirtyPal) {\r |
| 640 | Pico.m.dirtyPal = 0;\r |
| 641 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
| 642 | // feed new palette to our device\r |
| 643 | gp2x_video_setpalette(localPal, 0x40);\r |
| 644 | }\r |
| 645 | vidCpyM2((unsigned char *)gp2x_screen+320*8, framebuff+328*8);\r |
| bf098bc5 |
646 | } else if (!(emu_opt&0x80)) {\r |
| cc68a136 |
647 | // 8bit accurate renderer\r |
| 648 | if (Pico.m.dirtyPal) {\r |
| 649 | Pico.m.dirtyPal = 0;\r |
| 650 | if(Pico.video.reg[0xC]&8) { // shadow/hilight mode\r |
| 651 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
| 652 | vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r |
| 653 | vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r |
| 654 | blockcpy(localPal+0xc0, localPal+0x40, 0x40*4);\r |
| bf098bc5 |
655 | localPal[0xc0] = 0x0000c000;\r |
| 656 | localPal[0xd0] = 0x00c00000;\r |
| cc68a136 |
657 | localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r |
| 658 | localPal[0xf0] = 0x00ffffff;\r |
| 659 | gp2x_video_setpalette(localPal, 0x100);\r |
| 660 | } else if (rendstatus & 0x20) { // mid-frame palette changes\r |
| 661 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
| 662 | vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r |
| 663 | vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r |
| 664 | gp2x_video_setpalette(localPal, 0xc0);\r |
| 665 | } else {\r |
| 666 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
| 667 | gp2x_video_setpalette(localPal, 0x40);\r |
| 668 | }\r |
| 669 | }\r |
| 670 | }\r |
| 671 | \r |
| 672 | if (notice) osd_text(4, 232, notice);\r |
| bf098bc5 |
673 | if (emu_opt & 2)\r |
| cc68a136 |
674 | osd_text(osd_fps_x, 232, fps);\r |
| bf098bc5 |
675 | if ((emu_opt & 0x400) && (PicoMCD & 1))\r |
| 676 | cd_leds();\r |
| cc68a136 |
677 | \r |
| 678 | //gp2x_video_wait_vsync();\r |
| 679 | gp2x_video_flip();\r |
| 680 | \r |
| 681 | if (!(PicoOpt&0x10)) {\r |
| 682 | if (!(Pico.video.reg[1]&8)) {\r |
| 683 | if (currentConfig.EmuOpt&0x80) {\r |
| 684 | DrawLineDest = (unsigned short *) gp2x_screen + 320*8;\r |
| 685 | } else {\r |
| 686 | DrawLineDest = (unsigned char *) gp2x_screen + 320*8;\r |
| 687 | }\r |
| 688 | } else {\r |
| 689 | DrawLineDest = gp2x_screen;\r |
| 690 | }\r |
| 691 | }\r |
| 692 | }\r |
| 693 | \r |
| 694 | \r |
| 695 | // clears whole screen or just the notice area (in all buffers)\r |
| 696 | static void clearArea(int full)\r |
| 697 | {\r |
| bf098bc5 |
698 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
| 699 | // 8-bit renderers\r |
| 700 | if (full) gp2x_memset_all_buffers(0, 0xe0, 320*240);\r |
| 701 | else gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r |
| 702 | } else {\r |
| cc68a136 |
703 | // 16bit accurate renderer\r |
| 704 | if (full) gp2x_memset_all_buffers(0, 0, 320*240*2);\r |
| 705 | else gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r |
| cc68a136 |
706 | }\r |
| 707 | }\r |
| 708 | \r |
| 709 | \r |
| 710 | static void vidResetMode(void)\r |
| 711 | {\r |
| 712 | if (PicoOpt&0x10) {\r |
| cc68a136 |
713 | gp2x_video_changemode(8);\r |
| cc68a136 |
714 | } else if (currentConfig.EmuOpt&0x80) {\r |
| 715 | gp2x_video_changemode(15);\r |
| 716 | PicoDrawSetColorFormat(1);\r |
| 717 | PicoScan = EmuScan16;\r |
| 718 | PicoScan(0, 0);\r |
| 719 | } else {\r |
| bf098bc5 |
720 | gp2x_video_changemode(8);\r |
| 721 | PicoDrawSetColorFormat(2);\r |
| 722 | PicoScan = EmuScan8;\r |
| 723 | PicoScan(0, 0);\r |
| 724 | }\r |
| 725 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
| 726 | // setup pal for 8-bit modes\r |
| 727 | localPal[0xc0] = 0x0000c000; // MCD LEDs\r |
| 728 | localPal[0xd0] = 0x00c00000;\r |
| cc68a136 |
729 | localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r |
| 730 | localPal[0xf0] = 0x00ffffff;\r |
| cc68a136 |
731 | gp2x_video_setpalette(localPal, 0x100);\r |
| 732 | gp2x_memset_all_buffers(0, 0xe0, 320*240);\r |
| 733 | gp2x_video_flip();\r |
| cc68a136 |
734 | }\r |
| 735 | Pico.m.dirtyPal = 1;\r |
| 736 | // reset scaling\r |
| 737 | gp2x_video_RGB_setscaling((PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r |
| 738 | }\r |
| 739 | \r |
| 740 | \r |
| 741 | static int check_save_file(void)\r |
| 742 | {\r |
| 743 | char saveFname[512];\r |
| 744 | char ext[16];\r |
| 745 | FILE *f;\r |
| 746 | \r |
| 747 | ext[0] = 0;\r |
| 748 | if(state_slot > 0 && state_slot < 10) sprintf(ext, ".%i", state_slot);\r |
| 749 | strcat(ext, ".mds");\r |
| 750 | if(currentConfig.EmuOpt & 8) strcat(ext, ".gz");\r |
| 751 | \r |
| 752 | romfname_ext(saveFname, ext);\r |
| 753 | if ((f = fopen(saveFname, "rb"))) {\r |
| 754 | fclose(f);\r |
| 755 | return 1;\r |
| 756 | }\r |
| 757 | return 0;\r |
| 758 | }\r |
| 759 | \r |
| 760 | static void RunEvents(unsigned int which)\r |
| 761 | {\r |
| 762 | if(which & 0x1800) { // save or load (but not both)\r |
| 763 | int do_it = 1;\r |
| 764 | if (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200) && check_save_file()) {\r |
| 765 | unsigned long keys;\r |
| 766 | blit("", "OVERWRITE SAVE? (Y=yes, X=no)");\r |
| 767 | while( !((keys = gp2x_joystick_read(1)) & (GP2X_X|GP2X_Y)) )\r |
| 768 | usleep(50*1024);\r |
| 769 | if (keys & GP2X_X) do_it = 0;\r |
| 770 | clearArea(0);\r |
| 771 | }\r |
| 772 | if (do_it) {\r |
| 773 | blit("", (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");\r |
| 8c1952f0 |
774 | if(movie_data) {\r |
| 775 | }\r |
| cc68a136 |
776 | emu_SaveLoadGame(which & 0x1000, 0);\r |
| 777 | }\r |
| 778 | \r |
| 779 | reset_timing = 1;\r |
| 780 | }\r |
| 781 | if(which & 0x0400) { // switch renderer\r |
| 782 | if ( PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }\r |
| 783 | else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10;\r |
| 784 | else currentConfig.EmuOpt &= ~0x80;\r |
| 785 | \r |
| 786 | vidResetMode();\r |
| 787 | \r |
| 788 | if (PicoOpt&0x10) {\r |
| 789 | strcpy(noticeMsg, " 8bit fast renderer");\r |
| 790 | } else if (currentConfig.EmuOpt&0x80) {\r |
| 791 | strcpy(noticeMsg, "16bit accurate renderer");\r |
| 792 | } else {\r |
| 793 | strcpy(noticeMsg, " 8bit accurate renderer");\r |
| 794 | }\r |
| 795 | \r |
| 796 | gettimeofday(¬iceMsgTime, 0);\r |
| 797 | }\r |
| 798 | if(which & 0x0300) {\r |
| 799 | if(which&0x0200) {\r |
| 800 | state_slot -= 1;\r |
| 801 | if(state_slot < 0) state_slot = 9;\r |
| 802 | } else {\r |
| 803 | state_slot += 1;\r |
| 804 | if(state_slot > 9) state_slot = 0;\r |
| 805 | }\r |
| 806 | sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, check_save_file() ? "USED" : "FREE");\r |
| 807 | gettimeofday(¬iceMsgTime, 0);\r |
| 808 | }\r |
| 809 | if(which & 0x0080) {\r |
| 810 | engineState = PGS_Menu;\r |
| 811 | }\r |
| 812 | }\r |
| 813 | \r |
| 814 | \r |
| 8c1952f0 |
815 | static void updateMovie(void)\r |
| 816 | {\r |
| 817 | int offs = Pico.m.frame_count*3 + 0x40;\r |
| 818 | if (offs+3 > movie_size) {\r |
| 819 | free(movie_data);\r |
| 820 | movie_data = 0;\r |
| 821 | strcpy(noticeMsg, "END OF MOVIE.");\r |
| 822 | printf("END OF MOVIE.\n");\r |
| 823 | gettimeofday(¬iceMsgTime, 0);\r |
| 824 | } else {\r |
| 825 | // MXYZ SACB RLDU\r |
| 826 | PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r |
| 827 | if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // A\r |
| 828 | if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // B\r |
| 829 | if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // A\r |
| 830 | PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r |
| 831 | if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A\r |
| 832 | if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B\r |
| 833 | if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A\r |
| 834 | PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r |
| 835 | if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r |
| 836 | if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r |
| 837 | PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r |
| 838 | if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r |
| 839 | if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r |
| 840 | }\r |
| 841 | }\r |
| 842 | \r |
| 843 | \r |
| cc68a136 |
844 | static void updateKeys(void)\r |
| 845 | {\r |
| 846 | unsigned long keys, allActions[2] = { 0, 0 }, events;\r |
| 847 | static unsigned long prevEvents = 0;\r |
| 848 | int joy, i;\r |
| 849 | \r |
| 850 | keys = gp2x_joystick_read(0);\r |
| 851 | if (keys & GP2X_SELECT) {\r |
| 852 | engineState = select_exits ? PGS_Quit : PGS_Menu;\r |
| 853 | // wait until select is released, so menu would not resume game\r |
| 854 | while (gp2x_joystick_read(1) & GP2X_SELECT) usleep(50*1000);\r |
| 855 | }\r |
| 856 | \r |
| 857 | keys &= CONFIGURABLE_KEYS;\r |
| 858 | \r |
| 859 | for (i = 0; i < 32; i++)\r |
| 860 | {\r |
| 861 | if (keys & (1 << i)) {\r |
| 862 | int pl, acts = currentConfig.KeyBinds[i];\r |
| 863 | if (!acts) continue;\r |
| 864 | pl = (acts >> 16) & 1;\r |
| 865 | if (combo_keys & (1 << i)) {\r |
| 866 | int u = i+1, acts_c = acts & combo_acts;\r |
| 867 | // let's try to find the other one\r |
| 868 | if (acts_c)\r |
| 869 | for (; u < 32; u++)\r |
| 870 | if ( (currentConfig.KeyBinds[u] & acts_c) && (keys & (1 << u)) ) {\r |
| 871 | allActions[pl] |= acts_c;\r |
| 872 | keys &= ~((1 << i) | (1 << u));\r |
| 873 | break;\r |
| 874 | }\r |
| 875 | // add non-combo actions if combo ones were not found\r |
| 876 | if (!acts_c || u == 32)\r |
| 877 | allActions[pl] |= acts & ~combo_acts;\r |
| 878 | } else {\r |
| 879 | allActions[pl] |= acts;\r |
| 880 | }\r |
| 881 | }\r |
| 882 | }\r |
| 883 | \r |
| 884 | // add joy inputs\r |
| 885 | if (num_of_joys > 0)\r |
| 886 | {\r |
| 887 | gp2x_usbjoy_update();\r |
| 888 | for (joy = 0; joy < num_of_joys; joy++) {\r |
| 889 | int keys = gp2x_usbjoy_check2(joy);\r |
| 890 | for (i = 0; i < 32; i++) {\r |
| 891 | if (keys & (1 << i)) {\r |
| 892 | int acts = currentConfig.JoyBinds[joy][i];\r |
| 893 | int pl = (acts >> 16) & 1;\r |
| 894 | allActions[pl] |= acts;\r |
| 895 | }\r |
| 896 | }\r |
| 897 | }\r |
| 898 | }\r |
| 899 | \r |
| 8c1952f0 |
900 | PicoPad[0] = (unsigned short) allActions[0];\r |
| 901 | PicoPad[1] = (unsigned short) allActions[1];\r |
| cc68a136 |
902 | \r |
| 903 | events = (allActions[0] | allActions[1]) >> 16;\r |
| 904 | \r |
| 905 | // volume is treated in special way and triggered every frame\r |
| 906 | if(events & 0x6000) {\r |
| 907 | int vol = currentConfig.volume;\r |
| 908 | if (events & 0x2000) {\r |
| 909 | if (vol < 90) vol++;\r |
| 910 | } else {\r |
| 911 | if (vol > 0) vol--;\r |
| 912 | }\r |
| 913 | gp2x_sound_volume(vol, vol);\r |
| 914 | sprintf(noticeMsg, "VOL: %02i", vol);\r |
| 915 | gettimeofday(¬iceMsgTime, 0);\r |
| 916 | currentConfig.volume = vol;\r |
| 917 | }\r |
| 918 | \r |
| 919 | events &= ~prevEvents;\r |
| 920 | if (events) RunEvents(events);\r |
| 8c1952f0 |
921 | if (movie_data) updateMovie();\r |
| cc68a136 |
922 | \r |
| 923 | prevEvents = (allActions[0] | allActions[1]) >> 16;\r |
| 924 | }\r |
| 925 | \r |
| 926 | static int snd_excess_add = 0, snd_excess_cnt = 0; // hack\r |
| 927 | \r |
| 928 | static void updateSound(void)\r |
| 929 | {\r |
| 930 | int len = (PicoOpt&8)?PsndLen*2:PsndLen;\r |
| 931 | \r |
| 932 | snd_excess_cnt += snd_excess_add;\r |
| 933 | if (snd_excess_cnt >= 0x10000) {\r |
| 934 | snd_excess_cnt -= 0x10000;\r |
| 935 | if (PicoOpt&8) {\r |
| 936 | PsndOut[len] = PsndOut[len-2];\r |
| 937 | PsndOut[len+1] = PsndOut[len-1];\r |
| 938 | len+=2;\r |
| 939 | } else {\r |
| 940 | PsndOut[len] = PsndOut[len-1];\r |
| 941 | len++;\r |
| 942 | }\r |
| 943 | }\r |
| 944 | \r |
| 945 | gp2x_sound_write(PsndOut, len<<1);\r |
| 946 | }\r |
| 947 | \r |
| 948 | \r |
| 949 | static void SkipFrame(int do_sound)\r |
| 950 | {\r |
| 951 | void *sndbuff_tmp = 0;\r |
| 952 | if (PsndOut && !do_sound) {\r |
| 953 | sndbuff_tmp = PsndOut;\r |
| 954 | PsndOut = 0;\r |
| 955 | }\r |
| 956 | \r |
| 957 | PicoSkipFrame=1;\r |
| 958 | PicoFrame();\r |
| 959 | PicoSkipFrame=0;\r |
| 960 | \r |
| 961 | if (sndbuff_tmp && !do_sound) {\r |
| 962 | PsndOut = sndbuff_tmp;\r |
| 963 | }\r |
| 964 | }\r |
| 965 | \r |
| 966 | \r |
| 967 | static void simpleWait(int thissec, int lim_time)\r |
| 968 | {\r |
| 969 | struct timeval tval;\r |
| 970 | \r |
| 971 | spend_cycles(1024);\r |
| 972 | gettimeofday(&tval, 0);\r |
| 973 | if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
| 974 | \r |
| 975 | while(tval.tv_usec < lim_time)\r |
| 976 | {\r |
| 977 | spend_cycles(1024);\r |
| 978 | gettimeofday(&tval, 0);\r |
| 979 | if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
| 980 | }\r |
| 981 | }\r |
| 982 | \r |
| 983 | \r |
| 984 | void emu_Loop(void)\r |
| 985 | {\r |
| 986 | static int gp2x_old_clock = 200;\r |
| 987 | static int PsndRate_old = 0, PicoOpt_old = 0, PsndLen_real = 0, pal_old = 0;\r |
| 988 | char fpsbuff[24]; // fps count c string\r |
| 989 | struct timeval tval; // timing\r |
| 990 | int thissec = 0, frames_done = 0, frames_shown = 0, oldmodes = 0;\r |
| 991 | int target_fps, target_frametime, lim_time, i;\r |
| 992 | char *notice = 0;\r |
| 993 | \r |
| 994 | printf("entered emu_Loop()\n");\r |
| 995 | \r |
| 996 | if (gp2x_old_clock != currentConfig.CPUclock) {\r |
| 997 | printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);\r |
| 998 | set_FCLK(currentConfig.CPUclock);\r |
| 999 | gp2x_old_clock = currentConfig.CPUclock;\r |
| 1000 | printf(" done\n");\r |
| 1001 | }\r |
| 1002 | \r |
| 1003 | if (gp2x_old_gamma != currentConfig.gamma) {\r |
| 1004 | set_gamma(currentConfig.gamma);\r |
| 1005 | gp2x_old_gamma = currentConfig.gamma;\r |
| 1006 | printf("updated gamma to %i\n", currentConfig.gamma);\r |
| 1007 | }\r |
| 1008 | \r |
| 1009 | fpsbuff[0] = 0;\r |
| 1010 | \r |
| 1011 | // make sure we are in correct mode\r |
| 1012 | vidResetMode();\r |
| 1013 | oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r |
| 1014 | find_combos();\r |
| 1015 | \r |
| 1016 | // pal/ntsc might have changed, reset related stuff\r |
| 1017 | target_fps = Pico.m.pal ? 50 : 60;\r |
| 1018 | target_frametime = 1000000/target_fps;\r |
| 1019 | reset_timing = 1;\r |
| 1020 | \r |
| 1021 | // prepare sound stuff\r |
| 1022 | if(currentConfig.EmuOpt & 4) {\r |
| 1023 | if(PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old || crashed_940) {\r |
| 1024 | /* if 940 is turned off, we need it to be put back to sleep */\r |
| 1025 | if (!(PicoOpt&0x200) && ((PicoOpt^PicoOpt_old)&0x200)) {\r |
| 1026 | Reset940(1);\r |
| 1027 | Pause940(1);\r |
| 1028 | }\r |
| 1029 | sound_rerate();\r |
| 1030 | }\r |
| 1031 | //excess_samples = PsndRate - PsndLen*target_fps;\r |
| 1032 | snd_excess_cnt = 0;\r |
| 1033 | snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r |
| 1034 | printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n", PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal);\r |
| 1035 | gp2x_start_sound(PsndRate, 16, (PicoOpt&8)>>3);\r |
| 1036 | gp2x_sound_volume(currentConfig.volume, currentConfig.volume);\r |
| 1037 | PicoWriteSound = updateSound;\r |
| 1038 | PsndOut = calloc((PicoOpt&8) ? (PsndLen*4+4) : (PsndLen*2+2), 1);\r |
| 1039 | PsndRate_old = PsndRate;\r |
| 1040 | PsndLen_real = PsndLen;\r |
| 1041 | PicoOpt_old = PicoOpt;\r |
| 1042 | pal_old = Pico.m.pal;\r |
| 1043 | } else {\r |
| 1044 | PsndOut = 0;\r |
| 1045 | }\r |
| 1046 | \r |
| 1047 | // loop?\r |
| 1048 | while (engineState == PGS_Running)\r |
| 1049 | {\r |
| 1050 | int modes;\r |
| 1051 | \r |
| 1052 | gettimeofday(&tval, 0);\r |
| 1053 | if(reset_timing) {\r |
| 1054 | reset_timing = 0;\r |
| 1055 | thissec = tval.tv_sec;\r |
| 1056 | frames_shown = frames_done = tval.tv_usec/target_frametime;\r |
| 1057 | }\r |
| 1058 | \r |
| 1059 | // show notice message?\r |
| 1060 | if(noticeMsgTime.tv_sec) {\r |
| 1061 | static int noticeMsgSum;\r |
| 1062 | if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r |
| 1063 | noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r |
| 1064 | clearArea(0);\r |
| 1065 | notice = 0;\r |
| 1066 | } else {\r |
| 1067 | int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r |
| 1068 | if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r |
| 1069 | notice = noticeMsg;\r |
| 1070 | }\r |
| 1071 | }\r |
| 1072 | \r |
| 1073 | // check for mode changes\r |
| 1074 | modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r |
| 1075 | if (modes != oldmodes) {\r |
| 1076 | int scalex = 320;\r |
| 1077 | osd_fps_x = OSD_FPS_X;\r |
| 1078 | if (modes & 4) {\r |
| 1079 | vidCpyM2 = vidCpyM2_40col;\r |
| 1080 | } else {\r |
| 1081 | if (PicoOpt & 0x100) {\r |
| 1082 | vidCpyM2 = vidCpyM2_32col_nobord;\r |
| 1083 | scalex = 256;\r |
| 1084 | osd_fps_x = OSD_FPS_X - 64;\r |
| 1085 | } else {\r |
| 1086 | vidCpyM2 = vidCpyM2_32col;\r |
| 1087 | }\r |
| 1088 | }\r |
| 1089 | gp2x_video_RGB_setscaling(scalex, 240);\r |
| 1090 | oldmodes = modes;\r |
| 1091 | clearArea(1);\r |
| 1092 | }\r |
| 1093 | \r |
| 1094 | // second changed?\r |
| 1095 | if(thissec != tval.tv_sec) {\r |
| 1096 | #ifdef BENCHMARK\r |
| 1097 | static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r |
| 1098 | if(++bench == 10) {\r |
| 1099 | bench = 0;\r |
| 1100 | bench_fps_s = bench_fps;\r |
| 1101 | bf[bfp++ & 3] = bench_fps;\r |
| 1102 | bench_fps = 0;\r |
| 1103 | }\r |
| 1104 | bench_fps += frames_shown;\r |
| 1105 | sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r |
| 1106 | #else\r |
| 1107 | if(currentConfig.EmuOpt & 2)\r |
| 1108 | sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r |
| 1109 | #endif\r |
| 1110 | thissec = tval.tv_sec;\r |
| 1111 | \r |
| 1112 | if(PsndOut == 0 && currentConfig.Frameskip >= 0) {\r |
| 1113 | frames_done = frames_shown = 0;\r |
| 1114 | } else {\r |
| 1115 | // it is quite common for this implementation to leave 1 fame unfinished\r |
| 1116 | // when second changes, but we don't want buffer to starve.\r |
| 1117 | if(PsndOut && frames_done < target_fps && frames_done > target_fps-5) {\r |
| 1118 | updateKeys();\r |
| 1119 | SkipFrame(1); frames_done++;\r |
| 1120 | }\r |
| 1121 | \r |
| 1122 | frames_done -= target_fps; if (frames_done < 0) frames_done = 0;\r |
| 1123 | frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0;\r |
| 1124 | if (frames_shown > frames_done) frames_shown = frames_done;\r |
| 1125 | }\r |
| 1126 | }\r |
| 1127 | \r |
| 1128 | lim_time = (frames_done+1) * target_frametime;\r |
| 1129 | if(currentConfig.Frameskip >= 0) { // frameskip enabled\r |
| 1130 | for(i = 0; i < currentConfig.Frameskip; i++) {\r |
| 1131 | updateKeys();\r |
| 1132 | SkipFrame(1); frames_done++;\r |
| 1133 | if (PsndOut) { // do framelimitting if sound is enabled\r |
| 1134 | gettimeofday(&tval, 0);\r |
| 1135 | if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
| 1136 | if(tval.tv_usec < lim_time) { // we are too fast\r |
| 1137 | simpleWait(thissec, lim_time);\r |
| 1138 | }\r |
| 1139 | }\r |
| 1140 | lim_time += target_frametime;\r |
| 1141 | }\r |
| 1142 | } else if(tval.tv_usec > lim_time) { // auto frameskip\r |
| 1143 | // no time left for this frame - skip\r |
| 1144 | updateKeys();\r |
| 1145 | SkipFrame(tval.tv_usec < lim_time+target_frametime); frames_done++;\r |
| 1146 | continue;\r |
| 1147 | }\r |
| 1148 | \r |
| 1149 | updateKeys();\r |
| 1150 | PicoFrame();\r |
| 1151 | \r |
| 312e9ce1 |
1152 | #if 0\r |
| 1153 | if (Pico.m.frame_count == 31563) {\r |
| 1154 | FILE *f;\r |
| 1155 | f = fopen("ram_p.bin", "wb");\r |
| 1156 | if (!f) { printf("!f\n"); exit(1); }\r |
| 1157 | fwrite(Pico.ram, 1, 0x10000, f);\r |
| 1158 | fclose(f);\r |
| 1159 | exit(0);\r |
| 1160 | }\r |
| 1161 | #endif\r |
| 4f672280 |
1162 | #if 0\r |
| 1163 | // debug\r |
| 1164 | {\r |
| 312e9ce1 |
1165 | #define BYTE unsigned char\r |
| 1166 | #define WORD unsigned short\r |
| 1167 | struct\r |
| 1168 | {\r |
| 1169 | BYTE IDLength; /* 00h Size of Image ID field */\r |
| 1170 | BYTE ColorMapType; /* 01h Color map type */\r |
| 1171 | BYTE ImageType; /* 02h Image type code */\r |
| 1172 | WORD CMapStart; /* 03h Color map origin */\r |
| 1173 | WORD CMapLength; /* 05h Color map length */\r |
| 1174 | BYTE CMapDepth; /* 07h Depth of color map entries */\r |
| 1175 | WORD XOffset; /* 08h X origin of image */\r |
| 1176 | WORD YOffset; /* 0Ah Y origin of image */\r |
| 1177 | WORD Width; /* 0Ch Width of image */\r |
| 1178 | WORD Height; /* 0Eh Height of image */\r |
| 1179 | BYTE PixelDepth; /* 10h Image pixel size */\r |
| 1180 | BYTE ImageDescriptor; /* 11h Image descriptor byte */\r |
| 1181 | } __attribute__((packed)) TGAHEAD;\r |
| 1182 | static unsigned short oldscr[320*240];\r |
| 4f672280 |
1183 | FILE *f; char name[128]; int i;\r |
| 312e9ce1 |
1184 | \r |
| 1185 | memset(&TGAHEAD, 0, sizeof(TGAHEAD));\r |
| 1186 | TGAHEAD.ImageType = 2;\r |
| 1187 | TGAHEAD.Width = 320;\r |
| 1188 | TGAHEAD.Height = 240;\r |
| 1189 | TGAHEAD.PixelDepth = 16;\r |
| 1190 | TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left\r |
| 1191 | \r |
| 1192 | #define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?\r |
| 1193 | \r |
| 1194 | for (i = 0; i < 320*240; i++)\r |
| 1195 | if(oldscr[i] != CONV(((unsigned short *)gp2x_screen)[i])) break;\r |
| 1196 | if (i < 320*240)\r |
| 4f672280 |
1197 | {\r |
| 312e9ce1 |
1198 | for (i = 0; i < 320*240; i++)\r |
| 1199 | oldscr[i] = CONV(((unsigned short *)gp2x_screen)[i]);\r |
| 1200 | sprintf(name, "%05i.tga", Pico.m.frame_count);\r |
| 4f672280 |
1201 | f = fopen(name, "wb");\r |
| 1202 | if (!f) { printf("!f\n"); exit(1); }\r |
| 312e9ce1 |
1203 | fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);\r |
| 1204 | fwrite(oldscr, 1, 320*240*2, f);\r |
| 4f672280 |
1205 | fclose(f);\r |
| 1206 | }\r |
| 1207 | }\r |
| 1208 | #endif\r |
| 1209 | \r |
| cc68a136 |
1210 | // check time\r |
| 1211 | gettimeofday(&tval, 0);\r |
| 1212 | if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
| 1213 | \r |
| 1214 | // sleep if we are still too fast\r |
| 1215 | if(PsndOut != 0 || currentConfig.Frameskip < 0)\r |
| 1216 | {\r |
| 1217 | // usleep sleeps for ~20ms minimum, so it is not a solution here\r |
| 1218 | gettimeofday(&tval, 0);\r |
| 1219 | if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
| 1220 | if(tval.tv_usec < lim_time)\r |
| 1221 | {\r |
| 1222 | // we are too fast\r |
| 1223 | simpleWait(thissec, lim_time);\r |
| 1224 | }\r |
| 1225 | }\r |
| 1226 | \r |
| 1227 | blit(fpsbuff, notice);\r |
| 1228 | \r |
| 1229 | frames_done++; frames_shown++;\r |
| 1230 | }\r |
| 1231 | \r |
| 1232 | // save SRAM\r |
| 1233 | if((currentConfig.EmuOpt & 1) && SRam.changed) {\r |
| 1234 | emu_SaveLoadGame(0, 1);\r |
| 1235 | SRam.changed = 0;\r |
| 1236 | }\r |
| 1237 | \r |
| 1238 | if (PsndOut != 0) {\r |
| 1239 | free(PsndOut);\r |
| 1240 | PsndOut = 0;\r |
| 1241 | }\r |
| 1242 | }\r |
| 1243 | \r |
| 1244 | \r |
| 1245 | void emu_ResetGame(void)\r |
| 1246 | {\r |
| 1247 | PicoReset(0);\r |
| 1248 | reset_timing = 1;\r |
| 1249 | }\r |
| 1250 | \r |
| 1251 | \r |
| 1252 | size_t gzRead2(void *p, size_t _size, size_t _n, void *file)\r |
| 1253 | {\r |
| 1254 | return gzread(file, p, _n);\r |
| 1255 | }\r |
| 1256 | \r |
| 1257 | \r |
| 1258 | size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)\r |
| 1259 | {\r |
| 1260 | return gzwrite(file, p, _n);\r |
| 1261 | }\r |
| 1262 | \r |
| 1263 | typedef unsigned int (*STATE_SL_FUNC)(void *, unsigned int, unsigned int, void *);\r |
| 1264 | \r |
| 1265 | int emu_SaveLoadGame(int load, int sram)\r |
| 1266 | {\r |
| 1267 | int ret = 0;\r |
| 1268 | char saveFname[512];\r |
| 1269 | \r |
| 1270 | // make save filename\r |
| 1271 | romfname_ext(saveFname, "");\r |
| 1272 | if(sram) strcat(saveFname, ".srm");\r |
| 1273 | else {\r |
| 1274 | if(state_slot > 0 && state_slot < 10) sprintf(saveFname, "%s.%i", saveFname, state_slot);\r |
| 1275 | strcat(saveFname, ".mds");\r |
| 1276 | }\r |
| 1277 | \r |
| 1278 | printf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r |
| 1279 | \r |
| 1280 | if(sram) {\r |
| 1281 | FILE *sramFile;\r |
| 1282 | int sram_size = SRam.end-SRam.start+1;\r |
| 1283 | if(SRam.reg_back & 4) sram_size=0x2000;\r |
| 1284 | if(!SRam.data) return 0; // SRam forcefully disabled for this game\r |
| 1285 | if(load) {\r |
| 1286 | sramFile = fopen(saveFname, "rb");\r |
| 1287 | if(!sramFile) return -1;\r |
| 1288 | fread(SRam.data, 1, sram_size, sramFile);\r |
| 1289 | fclose(sramFile);\r |
| 1290 | } else {\r |
| 1291 | // sram save needs some special processing\r |
| 1292 | // see if we have anything to save\r |
| 1293 | for(; sram_size > 0; sram_size--)\r |
| 1294 | if(SRam.data[sram_size-1]) break;\r |
| 1295 | \r |
| 1296 | if(sram_size) {\r |
| 1297 | sramFile = fopen(saveFname, "wb");\r |
| 1298 | ret = fwrite(SRam.data, 1, sram_size, sramFile);\r |
| 1299 | ret = (ret != sram_size) ? -1 : 0;\r |
| 1300 | fclose(sramFile);\r |
| 1301 | sync();\r |
| 1302 | }\r |
| 1303 | }\r |
| 1304 | return ret;\r |
| 1305 | } else {\r |
| 1306 | void *PmovFile = NULL;\r |
| 1307 | // try gzip first\r |
| 1308 | if(currentConfig.EmuOpt & 8) {\r |
| 1309 | strcat(saveFname, ".gz");\r |
| 1310 | if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {\r |
| 1311 | areaRead = gzRead2;\r |
| 1312 | areaWrite = gzWrite2;\r |
| 1313 | if(!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);\r |
| 1314 | } else\r |
| 1315 | saveFname[strlen(saveFname)-3] = 0;\r |
| 1316 | }\r |
| 1317 | if(!PmovFile) { // gzip failed or was disabled\r |
| 1318 | if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {\r |
| 1319 | areaRead = (STATE_SL_FUNC) fread;\r |
| 1320 | areaWrite = (STATE_SL_FUNC) fwrite;\r |
| 1321 | }\r |
| 1322 | }\r |
| 1323 | if(PmovFile) {\r |
| 1324 | PmovState(load ? 6 : 5, PmovFile);\r |
| 1325 | strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED ");\r |
| 1326 | if(areaRead == gzRead2)\r |
| 1327 | gzclose(PmovFile);\r |
| 1328 | else fclose ((FILE *) PmovFile);\r |
| 1329 | PmovFile = 0;\r |
| 1330 | if (!load) sync();\r |
| 1331 | else Pico.m.dirtyPal=1;\r |
| 1332 | } else {\r |
| 1333 | strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED ");\r |
| 1334 | ret = -1;\r |
| 1335 | }\r |
| 1336 | \r |
| 1337 | gettimeofday(¬iceMsgTime, 0);\r |
| 1338 | return ret;\r |
| 1339 | }\r |
| 1340 | }\r |
notaz.gp2x.de / picodrive.git / blame