gp2x/emu.c

   1 // (c) Copyright 2006-2007 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 <sys/stat.h>\r
  10 #include <sys/types.h>\r
  11 #include <linux/limits.h>\r
  12 #include <ctype.h>\r
  13 #include <unistd.h>\r
  14 \r
  15 #include <stdarg.h>\r
  16 \r
  17 #include "emu.h"\r
  18 #include "gp2x.h"\r
  19 #include "usbjoy.h"\r
  20 #include "menu.h"\r
  21 #include "asmutils.h"\r
  22 #include "cpuctrl.h"\r
  23 \r
  24 #include <Pico/PicoInt.h>\r
  25 #include <Pico/Patch.h>\r
  26 #include <zlib/zlib.h>\r
  27 \r
  28 \r
  29 #ifdef BENCHMARK\r
  30 #define OSD_FPS_X 220\r
  31 #else\r
  32 #define OSD_FPS_X 260\r
  33 #endif\r
  34 \r
  35 \r
  36 int engineState;\r
  37 int select_exits = 0;\r
  38 char *PicoConfigFile = "picoconfig.bin";\r
  39 currentConfig_t currentConfig;\r
  40 \r
  41 char romFileName[PATH_MAX];\r
  42 unsigned char *rom_data = NULL;\r
  43 \r
  44 extern int crashed_940;\r
  45 \r
  46 static short sndBuffer[2*44100/50];\r
  47 static char noticeMsg[64];                                      // notice msg to draw\r
  48 static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r
  49 static int osd_fps_x;\r
  50 static int combo_keys = 0, combo_acts = 0;      // keys and actions which need button combos\r
  51 static int gp2x_old_gamma = 100;\r
  52 static unsigned char *movie_data = NULL;\r
  53 static int movie_size = 0;\r
  54 unsigned char *framebuff = 0;  // temporary buffer for alt renderer\r
  55 int state_slot = 0;\r
  56 int reset_timing = 0;\r
  57 int config_slot = 0, config_slot_current = 0;\r
  58 \r
  59 \r
  60 // utilities\r
  61 static void strlwr(char* string)\r
  62 {\r
  63         while ( (*string++ = (char)tolower(*string)) );\r
  64 }\r
  65 \r
  66 static int try_rfn_cut(void)\r
  67 {\r
  68         FILE *tmp;\r
  69         char *p;\r
  70 \r
  71         p = romFileName + strlen(romFileName) - 1;\r
  72         for (; p > romFileName; p--)\r
  73                 if (*p == '.') break;\r
  74         *p = 0;\r
  75 \r
  76         if((tmp = fopen(romFileName, "rb"))) {\r
  77                 fclose(tmp);\r
  78                 return 1;\r
  79         }\r
  80         return 0;\r
  81 }\r
  82 \r
  83 static void get_ext(char *file, char *ext)\r
  84 {\r
  85         char *p;\r
  86 \r
  87         p = file + strlen(file) - 4;\r
  88         if (p < file) p = file;\r
  89         strncpy(ext, p, 4);\r
  90         ext[4] = 0;\r
  91         strlwr(ext);\r
  92 }\r
  93 \r
  94 char *biosfiles_us[] = { "us_scd2_9306", "SegaCDBIOS9303", "us_scd1_9210" };\r
  95 char *biosfiles_eu[] = { "eu_mcd2_9306", "eu_mcd2_9303",   "eu_mcd1_9210" };\r
  96 char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r
  97 \r
  98 extern char **g_argv;\r
  99 \r
 100 int find_bios(int region, char **bios_file)\r
 101 {\r
 102         static char bios_path[1024];\r
 103         int i, j, count;\r
 104         char **files;\r
 105         FILE *f = NULL;\r
 106 \r
 107         if (region == 4) { // US\r
 108                 files = biosfiles_us;\r
 109                 count = sizeof(biosfiles_us) / sizeof(char *);\r
 110         } else if (region == 8) { // EU\r
 111                 files = biosfiles_eu;\r
 112                 count = sizeof(biosfiles_eu) / sizeof(char *);\r
 113         } else if (region == 1 || region == 2) {\r
 114                 files = biosfiles_jp;\r
 115                 count = sizeof(biosfiles_jp) / sizeof(char *);\r
 116         } else {\r
 117                 return 0;\r
 118         }\r
 119 \r
 120         for (i = 0; i < count; i++)\r
 121         {\r
 122                 strncpy(bios_path, g_argv[0], 1023);\r
 123                 bios_path[1024-32] = 0;\r
 124                 for (j = strlen(bios_path); j > 0; j--)\r
 125                         if (bios_path[j] == '/') { bios_path[j+1] = 0; break; }\r
 126                 strcat(bios_path, files[i]);\r
 127                 strcat(bios_path, ".bin");\r
 128                 f = fopen(bios_path, "rb");\r
 129                 if (f) break;\r
 130 \r
 131                 bios_path[strlen(bios_path) - 4] = 0;\r
 132                 strcat(bios_path, ".zip");\r
 133                 f = fopen(bios_path, "rb");\r
 134                 if (f) break;\r
 135         }\r
 136 \r
 137         if (f) {\r
 138                 printf("using bios: %s\n", bios_path);\r
 139                 fclose(f);\r
 140                 if (bios_file) *bios_file = bios_path;\r
 141                 return 1;\r
 142         } else {\r
 143                 sprintf(menuErrorMsg, "no %s BIOS files found, read docs",\r
 144                         region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
 145                 printf("%s\n", menuErrorMsg);\r
 146                 return 0;\r
 147         }\r
 148 }\r
 149 \r
 150 /* checks if romFileName points to valid MegaCD image\r
 151  * if so, checks for suitable BIOS */\r
 152 int emu_cd_check(char **bios_file)\r
 153 {\r
 154         unsigned char buf[32];\r
 155         pm_file *cd_f;\r
 156         int type = 0, region = 4; // 1: Japan, 4: US, 8: Europe\r
 157 \r
 158         cd_f = pm_open(romFileName);\r
 159         if (!cd_f) return 0; // let the upper level handle this\r
 160 \r
 161         if (pm_read(buf, 32, cd_f) != 32) {\r
 162                 pm_close(cd_f);\r
 163                 return 0;\r
 164         }\r
 165 \r
 166         if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) type = 1;       // Sega CD (ISO)\r
 167         if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) type = 2;       // Sega CD (BIN)\r
 168         if (type == 0) {\r
 169                 pm_close(cd_f);\r
 170                 return 0;\r
 171         }\r
 172 \r
 173         /* it seems we have a CD image here. Try to detect region now.. */\r
 174         pm_seek(cd_f, (type == 1) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);\r
 175         pm_read(buf, 1, cd_f);\r
 176         pm_close(cd_f);\r
 177 \r
 178         if (buf[0] == 0x64) region = 8; // EU\r
 179         if (buf[0] == 0xa1) region = 1; // JAP\r
 180 \r
 181         printf("detected %s Sega/Mega CD image with %s region\n",\r
 182                 type == 2 ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
 183 \r
 184         if (PicoRegionOverride) {\r
 185                 region = PicoRegionOverride;\r
 186                 printf("overrided region to %s\n", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
 187         }\r
 188 \r
 189         if (bios_file == NULL) return type;\r
 190 \r
 191         if (find_bios(region, bios_file))\r
 192                  return type;   // CD and BIOS detected\r
 193 \r
 194         return -1;              // CD detected but load failed\r
 195 }\r
 196 \r
 197 int emu_ReloadRom(void)\r
 198 {\r
 199         unsigned int rom_size = 0;\r
 200         char *used_rom_name = romFileName;\r
 201         char ext[5];\r
 202         pm_file *rom;\r
 203         int ret, cd_state;\r
 204 \r
 205         printf("emu_ReloadRom(%s)\n", romFileName);\r
 206 \r
 207         get_ext(romFileName, ext);\r
 208 \r
 209         // detect wrong extensions\r
 210         if(!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz\r
 211                 sprintf(menuErrorMsg, "Not a ROM selected.");\r
 212                 return 0;\r
 213         }\r
 214 \r
 215         PicoPatchUnload();\r
 216 \r
 217         // check for movie file\r
 218         if(movie_data) {\r
 219                 free(movie_data);\r
 220                 movie_data = 0;\r
 221         }\r
 222         if(!strcmp(ext, ".gmv")) {\r
 223                 // check for both gmv and rom\r
 224                 int dummy;\r
 225                 FILE *movie_file = fopen(romFileName, "rb");\r
 226                 if(!movie_file) {\r
 227                         sprintf(menuErrorMsg, "Failed to open movie.");\r
 228                         return 0;\r
 229                 }\r
 230                 fseek(movie_file, 0, SEEK_END);\r
 231                 movie_size = ftell(movie_file);\r
 232                 fseek(movie_file, 0, SEEK_SET);\r
 233                 if(movie_size < 64+3) {\r
 234                         sprintf(menuErrorMsg, "Invalid GMV file.");\r
 235                         fclose(movie_file);\r
 236                         return 0;\r
 237                 }\r
 238                 movie_data = malloc(movie_size);\r
 239                 if(movie_data == NULL) {\r
 240                         sprintf(menuErrorMsg, "low memory.");\r
 241                         fclose(movie_file);\r
 242                         return 0;\r
 243                 }\r
 244                 fread(movie_data, 1, movie_size, movie_file);\r
 245                 fclose(movie_file);\r
 246                 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r
 247                         sprintf(menuErrorMsg, "Invalid GMV file.");\r
 248                         return 0;\r
 249                 }\r
 250                 dummy = try_rfn_cut() || try_rfn_cut();\r
 251                 if (!dummy) {\r
 252                         sprintf(menuErrorMsg, "Could't find a ROM for movie.");\r
 253                         return 0;\r
 254                 }\r
 255                 get_ext(romFileName, ext);\r
 256         }\r
 257         else if (!strcmp(ext, ".pat")) {\r
 258                 int dummy;\r
 259                 PicoPatchLoad(romFileName);\r
 260                 dummy = try_rfn_cut() || try_rfn_cut();\r
 261                 if (!dummy) {\r
 262                         sprintf(menuErrorMsg, "Could't find a ROM to patch.");\r
 263                         return 0;\r
 264                 }\r
 265                 get_ext(romFileName, ext);\r
 266         }\r
 267 \r
 268         if ((PicoMCD & 1) && Pico_mcd != NULL)\r
 269                 Stop_CD();\r
 270 \r
 271         // check for MegaCD image\r
 272         cd_state = emu_cd_check(&used_rom_name);\r
 273         if (cd_state > 0) {\r
 274                 PicoMCD |= 1;\r
 275                 get_ext(used_rom_name, ext);\r
 276         } else if (cd_state == -1) {\r
 277                 // bios_help() ?\r
 278                 return 0;\r
 279         } else {\r
 280                 if (PicoMCD & 1) PicoExitMCD();\r
 281                 PicoMCD &= ~1;\r
 282         }\r
 283 \r
 284         rom = pm_open(used_rom_name);\r
 285         if(!rom) {\r
 286                 sprintf(menuErrorMsg, "Failed to open rom.");\r
 287                 return 0;\r
 288         }\r
 289 \r
 290         if(rom_data) {\r
 291                 free(rom_data);\r
 292                 rom_data = 0;\r
 293                 rom_size = 0;\r
 294         }\r
 295 \r
 296         if( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {\r
 297                 sprintf(menuErrorMsg, "PicoCartLoad() failed.");\r
 298                 printf("%s\n", menuErrorMsg);\r
 299                 pm_close(rom);\r
 300                 return 0;\r
 301         }\r
 302         pm_close(rom);\r
 303 \r
 304         // detect wrong files (Pico crashes on very small files), also see if ROM EP is good\r
 305         if(rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||\r
 306           ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {\r
 307                 if (rom_data) free(rom_data);\r
 308                 rom_data = 0;\r
 309                 sprintf(menuErrorMsg, "Not a ROM selected.");\r
 310                 return 0;\r
 311         }\r
 312 \r
 313         // load config for this ROM (do this before insert to get correct region)\r
 314         ret = emu_ReadConfig(1, 1);\r
 315         if (!ret)\r
 316                 emu_ReadConfig(0, 1);\r
 317 \r
 318         printf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);\r
 319         if(PicoCartInsert(rom_data, rom_size)) {\r
 320                 sprintf(menuErrorMsg, "Failed to load ROM.");\r
 321                 return 0;\r
 322         }\r
 323 \r
 324         Pico.m.frame_count = 0;\r
 325 \r
 326         // insert CD if it was detected\r
 327         if (cd_state > 0) {\r
 328                 ret = Insert_CD(romFileName, cd_state == 2);\r
 329                 if (ret != 0) {\r
 330                         sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?");\r
 331                         printf("%s\n", menuErrorMsg);\r
 332                         return 0;\r
 333                 }\r
 334         }\r
 335 \r
 336         // emu_ReadConfig() might have messed currentConfig.lastRomFile\r
 337         strncpy(currentConfig.lastRomFile, romFileName, sizeof(currentConfig.lastRomFile)-1);\r
 338         currentConfig.lastRomFile[sizeof(currentConfig.lastRomFile)-1] = 0;\r
 339 \r
 340         if (PicoPatches) {\r
 341                 PicoPatchPrepare();\r
 342                 PicoPatchApply();\r
 343         }\r
 344 \r
 345         // additional movie stuff\r
 346         if(movie_data) {\r
 347                 if(movie_data[0x14] == '6')\r
 348                      PicoOpt |=  0x20; // 6 button pad\r
 349                 else PicoOpt &= ~0x20;\r
 350                 PicoOpt |= 0x40; // accurate timing\r
 351                 if(movie_data[0xF] >= 'A') {\r
 352                         if(movie_data[0x16] & 0x80) {\r
 353                                 PicoRegionOverride = 8;\r
 354                         } else {\r
 355                                 PicoRegionOverride = 4;\r
 356                         }\r
 357                         PicoReset(0);\r
 358                         // TODO: bits 6 & 5\r
 359                 }\r
 360                 movie_data[0x18+30] = 0;\r
 361                 sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);\r
 362         }\r
 363         else\r
 364         {\r
 365                 if(Pico.m.pal) {\r
 366                         strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");\r
 367                 } else {\r
 368                         strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");\r
 369                 }\r
 370         }\r
 371         gettimeofday(&noticeMsgTime, 0);\r
 372 \r
 373         // load SRAM for this ROM\r
 374         if(currentConfig.EmuOpt & 1)\r
 375                 emu_SaveLoadGame(1, 1);\r
 376 \r
 377         return 1;\r
 378 }\r
 379 \r
 380 \r
 381 static void emu_msg_cb(const char *msg);\r
 382 static void emu_msg_tray_open(void);\r
 383 \r
 384 void emu_Init(void)\r
 385 {\r
 386         // make temp buffer for alt renderer\r
 387         framebuff = malloc((8+320)*(8+240+8));\r
 388         if (!framebuff)\r
 389         {\r
 390                 printf("framebuff == 0\n");\r
 391         }\r
 392 \r
 393         // make dirs for saves, cfgs, etc.\r
 394         mkdir("mds", 0777);\r
 395         mkdir("srm", 0777);\r
 396         mkdir("brm", 0777);\r
 397         mkdir("cfg", 0777);\r
 398 \r
 399         PicoInit();\r
 400         PicoMessage = emu_msg_cb;\r
 401         PicoMCDopenTray = emu_msg_tray_open;\r
 402         PicoMCDcloseTray = menu_loop_tray;\r
 403 }\r
 404 \r
 405 \r
 406 static void romfname_ext(char *dst, const char *prefix, const char *ext)\r
 407 {\r
 408         char *p;\r
 409         int prefix_len = 0;\r
 410 \r
 411         // make save filename\r
 412         for (p = romFileName+strlen(romFileName)-1; p >= romFileName && *p != '/'; p--); p++;\r
 413         *dst = 0;\r
 414         if (prefix) {\r
 415                 strcpy(dst, prefix);\r
 416                 prefix_len = strlen(prefix);\r
 417         }\r
 418         strncpy(dst + prefix_len, p, 511-prefix_len);\r
 419         dst[511-8] = 0;\r
 420         if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;\r
 421         if (ext) strcat(dst, ext);\r
 422 }\r
 423 \r
 424 \r
 425 static void find_combos(void)\r
 426 {\r
 427         int act, u;\r
 428 \r
 429         // find out which keys and actions are combos\r
 430         combo_keys = combo_acts = 0;\r
 431         for (act = 0; act < 32; act++)\r
 432         {\r
 433                 int keyc = 0;\r
 434                 if (act == 16) continue; // player2 flag\r
 435                 for (u = 0; u < 32; u++)\r
 436                 {\r
 437                         if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;\r
 438                 }\r
 439                 if (keyc > 1)\r
 440                 {\r
 441                         // loop again and mark those keys and actions as combo\r
 442                         for (u = 0; u < 32; u++)\r
 443                         {\r
 444                                 if (currentConfig.KeyBinds[u] & (1 << act)) {\r
 445                                         combo_keys |= 1 << u;\r
 446                                         combo_acts |= 1 << act;\r
 447                                 }\r
 448                         }\r
 449                 }\r
 450         }\r
 451         // printf("combo keys/acts: %08x %08x\n", combo_keys, combo_acts);\r
 452 }\r
 453 \r
 454 \r
 455 void scaling_update(void)\r
 456 {\r
 457         PicoOpt &= ~0x4100;\r
 458         switch (currentConfig.scaling) {\r
 459                 default: break; // off\r
 460                 case 1:  // hw hor\r
 461                 case 2:  PicoOpt |=  0x0100; break; // hw hor+vert\r
 462                 case 3:  PicoOpt |=  0x4000; break; // sw hor\r
 463         }\r
 464 }\r
 465 \r
 466 \r
 467 int emu_ReadConfig(int game, int no_defaults)\r
 468 {\r
 469         FILE *f;\r
 470         char cfg[512], extbuf[16];\r
 471         int bread = 0;\r
 472 \r
 473         if (!game)\r
 474         {\r
 475                 if (!no_defaults)\r
 476                 {\r
 477                         // set default config\r
 478                         memset(&currentConfig, 0, sizeof(currentConfig));\r
 479                         currentConfig.lastRomFile[0] = 0;\r
 480                         currentConfig.EmuOpt  = 0x1f | 0x600; // | confirm_save, cd_leds\r
 481                         currentConfig.PicoOpt = 0x0f | 0xe00; // | use_940, cd_pcm, cd_cdda\r
 482                         currentConfig.PsndRate = 22050; // 44100;\r
 483                         currentConfig.PicoRegion = 0; // auto\r
 484                         currentConfig.PicoAutoRgnOrder = 0x184; // US, EU, JP\r
 485                         currentConfig.Frameskip = -1; // auto\r
 486                         currentConfig.CPUclock = 200;\r
 487                         currentConfig.volume = 50;\r
 488                         currentConfig.KeyBinds[ 0] = 1<<0; // SACB RLDU\r
 489                         currentConfig.KeyBinds[ 4] = 1<<1;\r
 490                         currentConfig.KeyBinds[ 2] = 1<<2;\r
 491                         currentConfig.KeyBinds[ 6] = 1<<3;\r
 492                         currentConfig.KeyBinds[14] = 1<<4;\r
 493                         currentConfig.KeyBinds[13] = 1<<5;\r
 494                         currentConfig.KeyBinds[12] = 1<<6;\r
 495                         currentConfig.KeyBinds[ 8] = 1<<7;\r
 496                         currentConfig.KeyBinds[15] = 1<<26; // switch rend\r
 497                         currentConfig.KeyBinds[10] = 1<<27; // save state\r
 498                         currentConfig.KeyBinds[11] = 1<<28; // load state\r
 499                         currentConfig.KeyBinds[23] = 1<<29; // vol up\r
 500                         currentConfig.KeyBinds[22] = 1<<30; // vol down\r
 501                         currentConfig.gamma = 100;\r
 502                         currentConfig.PicoCDBuffers = 64;\r
 503                         currentConfig.scaling = 0;\r
 504                 }\r
 505                 strncpy(cfg, PicoConfigFile, 511);\r
 506                 if (config_slot != 0)\r
 507                 {\r
 508                         char *p = strrchr(cfg, '.');\r
 509                         if (p == NULL) p = cfg + strlen(cfg);\r
 510                         sprintf(extbuf, ".%i.pbcfg", config_slot);\r
 511                         strncpy(p, extbuf, 511 - (p - cfg));\r
 512                 }\r
 513                 cfg[511] = 0;\r
 514         } else {\r
 515                 if (config_slot != 0)\r
 516                      sprintf(extbuf, ".%i.pbcfg", config_slot);\r
 517                 else strcpy(extbuf, ".pbcfg");\r
 518                 romfname_ext(cfg, "cfg/", extbuf);\r
 519                 f = fopen(cfg, "rb");\r
 520                 if (!f) romfname_ext(cfg, NULL, ".pbcfg");\r
 521                 else fclose(f);\r
 522         }\r
 523 \r
 524         printf("emu_ReadConfig: %s ", cfg);\r
 525         f = fopen(cfg, "rb");\r
 526         if (f) {\r
 527                 bread = fread(&currentConfig, 1, sizeof(currentConfig), f);\r
 528                 fclose(f);\r
 529         }\r
 530         printf(bread > 0 ? "(ok)\n" : "(failed)\n");\r
 531 \r
 532         PicoOpt = currentConfig.PicoOpt;\r
 533         PsndRate = currentConfig.PsndRate;\r
 534         PicoRegionOverride = currentConfig.PicoRegion;\r
 535         PicoAutoRgnOrder = currentConfig.PicoAutoRgnOrder;\r
 536         PicoCDBuffers = currentConfig.PicoCDBuffers;\r
 537         scaling_update();\r
 538         // some sanity checks\r
 539         if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r
 540         if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;\r
 541         if (currentConfig.volume < 0 || currentConfig.volume > 99) currentConfig.volume = 50;\r
 542         // if volume keys are unbound, bind them to volume control\r
 543         if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {\r
 544                 currentConfig.KeyBinds[23] = 1<<29; // vol up\r
 545                 currentConfig.KeyBinds[22] = 1<<30; // vol down\r
 546         }\r
 547 \r
 548         if (bread > 0) config_slot_current = config_slot;\r
 549         return (bread > 0); // == sizeof(currentConfig));\r
 550 }\r
 551 \r
 552 \r
 553 int emu_WriteConfig(int game)\r
 554 {\r
 555         FILE *f;\r
 556         char cfg[512], extbuf[16];\r
 557         int bwrite = 0;\r
 558 \r
 559         if (!game)\r
 560         {\r
 561                 strncpy(cfg, PicoConfigFile, 511);\r
 562                 if (config_slot != 0)\r
 563                 {\r
 564                         char *p = strrchr(cfg, '.');\r
 565                         if (p == NULL) p = cfg + strlen(cfg);\r
 566                         sprintf(extbuf, ".%i.pbcfg", config_slot);\r
 567                         strncpy(p, extbuf, 511 - (p - cfg));\r
 568                 }\r
 569                 cfg[511] = 0;\r
 570         } else {\r
 571                 if (config_slot != 0)\r
 572                      sprintf(extbuf, ".%i.pbcfg", config_slot);\r
 573                 else strcpy(extbuf, ".pbcfg");\r
 574                 romfname_ext(cfg, "cfg/", extbuf);\r
 575         }\r
 576 \r
 577         printf("emu_WriteConfig: %s ", cfg);\r
 578         f = fopen(cfg, "wb");\r
 579         if (f) {\r
 580                 currentConfig.PicoOpt = PicoOpt;\r
 581                 currentConfig.PsndRate = PsndRate;\r
 582                 currentConfig.PicoRegion = PicoRegionOverride;\r
 583                 currentConfig.PicoAutoRgnOrder = PicoAutoRgnOrder;\r
 584                 currentConfig.PicoCDBuffers = PicoCDBuffers;\r
 585                 bwrite = fwrite(&currentConfig, 1, sizeof(currentConfig), f);\r
 586                 fflush(f);\r
 587                 fclose(f);\r
 588 #ifndef NO_SYNC\r
 589                 sync();\r
 590 #endif\r
 591         }\r
 592         printf((bwrite == sizeof(currentConfig)) ? "(ok)\n" : "(failed)\n");\r
 593 \r
 594         if (bwrite == sizeof(currentConfig)) config_slot_current = config_slot;\r
 595         return (bwrite == sizeof(currentConfig));\r
 596 }\r
 597 \r
 598 \r
 599 void emu_Deinit(void)\r
 600 {\r
 601         // save SRAM\r
 602         if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
 603                 emu_SaveLoadGame(0, 1);\r
 604                 SRam.changed = 0;\r
 605         }\r
 606 \r
 607         if (!(currentConfig.EmuOpt & 0x20)) {\r
 608                 FILE *f = fopen(PicoConfigFile, "r+b");\r
 609                 if (!f) emu_WriteConfig(0);\r
 610                 else {\r
 611                         // if we already have config, reload it, except last ROM\r
 612                         fseek(f, sizeof(currentConfig.lastRomFile), SEEK_SET);\r
 613                         fread(&currentConfig.EmuOpt, 1, sizeof(currentConfig) - sizeof(currentConfig.lastRomFile), f);\r
 614                         fseek(f, 0, SEEK_SET);\r
 615                         fwrite(&currentConfig, 1, sizeof(currentConfig), f);\r
 616                         fflush(f);\r
 617                         fclose(f);\r
 618 #ifndef NO_SYNC\r
 619                         sync();\r
 620 #endif\r
 621                 }\r
 622         }\r
 623 \r
 624         free(framebuff);\r
 625 \r
 626         PicoExit();\r
 627 \r
 628         // restore gamma\r
 629         if (gp2x_old_gamma != 100)\r
 630                 set_gamma(100, 0);\r
 631 }\r
 632 \r
 633 \r
 634 void osd_text(int x, int y, const char *text)\r
 635 {\r
 636         int len = strlen(text)*8;\r
 637 \r
 638         if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
 639                 int *p, i, h;\r
 640                 x &= ~3; // align x\r
 641                 len = (len+3) >> 2;\r
 642                 for (h = 0; h < 8; h++) {\r
 643                         p = (int *) ((unsigned char *) gp2x_screen+x+320*(y+h));\r
 644                         for (i = len; i; i--, p++) *p = 0xe0e0e0e0;\r
 645                 }\r
 646                 gp2x_text_out8_2(x, y, text, 0xf0);\r
 647         } else {\r
 648                 int *p, i, h;\r
 649                 x &= ~1; // align x\r
 650                 len = (len+1) >> 1;\r
 651                 for (h = 0; h < 8; h++) {\r
 652                         p = (int *) ((unsigned short *) gp2x_screen+x+320*(y+h));\r
 653                         for (i = len; i; i--, p++) *p = (*p>>2)&0x39e7;\r
 654                 }\r
 655                 gp2x_text_out15(x, y, text);\r
 656         }\r
 657 }\r
 658 \r
 659 static void cd_leds(void)\r
 660 {\r
 661         // mmu problems?\r
 662 //      static\r
 663         int old_reg;\r
 664 //      if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change\r
 665         old_reg = Pico_mcd->s68k_regs[0];\r
 666 \r
 667         if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
 668                 // 8-bit modes\r
 669                 unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
 670                 unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
 671                 *(unsigned int *)((char *)gp2x_screen + 320*2+ 4) =\r
 672                 *(unsigned int *)((char *)gp2x_screen + 320*3+ 4) =\r
 673                 *(unsigned int *)((char *)gp2x_screen + 320*4+ 4) = col_g;\r
 674                 *(unsigned int *)((char *)gp2x_screen + 320*2+12) =\r
 675                 *(unsigned int *)((char *)gp2x_screen + 320*3+12) =\r
 676                 *(unsigned int *)((char *)gp2x_screen + 320*4+12) = col_r;\r
 677         } else {\r
 678                 // 16-bit modes\r
 679                 unsigned int *p = (unsigned int *)((short *)gp2x_screen + 320*2+4);\r
 680                 unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r
 681                 unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r
 682                 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
 683                 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
 684                 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
 685         }\r
 686 }\r
 687 \r
 688 static int EmuScan16(unsigned int num, void *sdata)\r
 689 {\r
 690         if (!(Pico.video.reg[1]&8)) num += 8;\r
 691         DrawLineDest = (unsigned short *) gp2x_screen + 320*(num+1);\r
 692 \r
 693         return 0;\r
 694 }\r
 695 \r
 696 static int EmuScan8(unsigned int num, void *sdata)\r
 697 {\r
 698         if (!(Pico.video.reg[1]&8)) num += 8;\r
 699         DrawLineDest = (unsigned char *)  gp2x_screen + 320*(num+1);\r
 700 \r
 701         return 0;\r
 702 }\r
 703 \r
 704 int localPal[0x100];\r
 705 static void (*vidCpyM2)(void *dest, void *src) = NULL;\r
 706 \r
 707 static void blit(const char *fps, const char *notice)\r
 708 {\r
 709         int emu_opt = currentConfig.EmuOpt;\r
 710 \r
 711         if (PicoOpt&0x10) {\r
 712                 // 8bit fast renderer\r
 713                 if (Pico.m.dirtyPal) {\r
 714                         Pico.m.dirtyPal = 0;\r
 715                         vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
 716                         // feed new palette to our device\r
 717                         gp2x_video_setpalette(localPal, 0x40);\r
 718                 }\r
 719                 vidCpyM2((unsigned char *)gp2x_screen+320*8, framebuff+328*8);\r
 720         } else if (!(emu_opt&0x80)) {\r
 721                 // 8bit accurate renderer\r
 722                 if (Pico.m.dirtyPal) {\r
 723                         Pico.m.dirtyPal = 0;\r
 724                         if(Pico.video.reg[0xC]&8) { // shadow/hilight mode\r
 725                                 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
 726                                 vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r
 727                                 vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r
 728                                 blockcpy(localPal+0xc0, localPal+0x40, 0x40*4);\r
 729                                 localPal[0xc0] = 0x0000c000;\r
 730                                 localPal[0xd0] = 0x00c00000;\r
 731                                 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
 732                                 localPal[0xf0] = 0x00ffffff;\r
 733                                 gp2x_video_setpalette(localPal, 0x100);\r
 734                         } else if (rendstatus & 0x20) { // mid-frame palette changes\r
 735                                 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
 736                                 vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r
 737                                 vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r
 738                                 gp2x_video_setpalette(localPal, 0xc0);\r
 739                         } else {\r
 740                                 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
 741                                 gp2x_video_setpalette(localPal, 0x40);\r
 742                         }\r
 743                 }\r
 744         }\r
 745 \r
 746         if (notice || (emu_opt & 2)) {\r
 747                 int h = 232;\r
 748                 if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8)) h -= 8;\r
 749                 if (notice) osd_text(4, h, notice);\r
 750                 if (emu_opt & 2)\r
 751                         osd_text(osd_fps_x, h, fps);\r
 752         }\r
 753         if ((emu_opt & 0x400) && (PicoMCD & 1))\r
 754                 cd_leds();\r
 755 \r
 756         //gp2x_video_wait_vsync();\r
 757         gp2x_video_flip();\r
 758 \r
 759         if (!(PicoOpt&0x10)) {\r
 760                 if (!(Pico.video.reg[1]&8)) {\r
 761                         if (currentConfig.EmuOpt&0x80) {\r
 762                                 DrawLineDest = (unsigned short *) gp2x_screen + 320*8;\r
 763                         } else {\r
 764                                 DrawLineDest = (unsigned char  *) gp2x_screen + 320*8;\r
 765                         }\r
 766                 } else {\r
 767                         DrawLineDest = gp2x_screen;\r
 768                 }\r
 769         }\r
 770 }\r
 771 \r
 772 \r
 773 // clears whole screen or just the notice area (in all buffers)\r
 774 static void clearArea(int full)\r
 775 {\r
 776         if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
 777                 // 8-bit renderers\r
 778                 if (full) gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
 779                 else      gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
 780         } else {\r
 781                 // 16bit accurate renderer\r
 782                 if (full) gp2x_memset_all_buffers(0, 0, 320*240*2);\r
 783                 else      gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
 784         }\r
 785 }\r
 786 \r
 787 \r
 788 static void vidResetMode(void)\r
 789 {\r
 790         if (PicoOpt&0x10) {\r
 791                 gp2x_video_changemode(8);\r
 792         } else if (currentConfig.EmuOpt&0x80) {\r
 793                 gp2x_video_changemode(15);\r
 794                 PicoDrawSetColorFormat(1);\r
 795                 PicoScan = EmuScan16;\r
 796                 PicoScan(0, 0);\r
 797         } else {\r
 798                 gp2x_video_changemode(8);\r
 799                 PicoDrawSetColorFormat(2);\r
 800                 PicoScan = EmuScan8;\r
 801                 PicoScan(0, 0);\r
 802         }\r
 803         if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
 804                 // setup pal for 8-bit modes\r
 805                 localPal[0xc0] = 0x0000c000; // MCD LEDs\r
 806                 localPal[0xd0] = 0x00c00000;\r
 807                 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
 808                 localPal[0xf0] = 0x00ffffff;\r
 809                 gp2x_video_setpalette(localPal, 0x100);\r
 810                 gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
 811                 gp2x_video_flip();\r
 812         }\r
 813         Pico.m.dirtyPal = 1;\r
 814         // reset scaling\r
 815         if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8))\r
 816              gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);\r
 817         else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r
 818 }\r
 819 \r
 820 \r
 821 static void emu_msg_cb(const char *msg)\r
 822 {\r
 823         if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
 824                 // 8-bit renderers\r
 825                 gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
 826                 osd_text(4, 232, msg);\r
 827                 gp2x_memcpy_all_buffers((char *)gp2x_screen+320*232, 320*232, 320*8);\r
 828         } else {\r
 829                 // 16bit accurate renderer\r
 830                 gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
 831                 osd_text(4, 232, msg);\r
 832                 gp2x_memcpy_all_buffers((char *)gp2x_screen+320*232*2, 320*232*2, 320*8*2);\r
 833         }\r
 834         gettimeofday(&noticeMsgTime, 0);\r
 835         noticeMsgTime.tv_sec -= 2;\r
 836 \r
 837         /* assumption: emu_msg_cb gets called only when something slow is about to happen */\r
 838         reset_timing = 1;\r
 839 }\r
 840 \r
 841 static void emu_state_cb(const char *str)\r
 842 {\r
 843         clearArea(0);\r
 844         blit("", str);\r
 845 }\r
 846 \r
 847 static void emu_msg_tray_open(void)\r
 848 {\r
 849         strcpy(noticeMsg, "CD tray opened");\r
 850         gettimeofday(&noticeMsgTime, 0);\r
 851 }\r
 852 \r
 853 static void RunEvents(unsigned int which)\r
 854 {\r
 855         if(which & 0x1800) { // save or load (but not both)\r
 856                 int do_it = 1;\r
 857                 if ( emu_check_save_file(state_slot) &&\r
 858                                 (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) ||   // load\r
 859                                  (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) { // save\r
 860                         unsigned long keys;\r
 861                         blit("", (which & 0x1000) ? "LOAD STATE? (Y=yes, X=no)" : "OVERWRITE SAVE? (Y=yes, X=no)");\r
 862                         while( !((keys = gp2x_joystick_read(1)) & (GP2X_X|GP2X_Y)) )\r
 863                                 usleep(50*1024);\r
 864                         if (keys & GP2X_X) do_it = 0;\r
 865                         clearArea(0);\r
 866                 }\r
 867                 if (do_it) {\r
 868                         osd_text(4, 232, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");\r
 869                         PicoStateProgressCB = emu_state_cb;\r
 870                         gp2x_memcpy_all_buffers(gp2x_screen, 0, 320*240*2);\r
 871                         emu_SaveLoadGame((which & 0x1000) >> 12, 0);\r
 872                         PicoStateProgressCB = NULL;\r
 873                 }\r
 874 \r
 875                 reset_timing = 1;\r
 876         }\r
 877         if(which & 0x0400) { // switch renderer\r
 878                 if      (  PicoOpt&0x10)             { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }\r
 879                 else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10;\r
 880                 else   currentConfig.EmuOpt &= ~0x80;\r
 881 \r
 882                 vidResetMode();\r
 883 \r
 884                 if (PicoOpt&0x10) {\r
 885                         strcpy(noticeMsg, " 8bit fast renderer");\r
 886                 } else if (currentConfig.EmuOpt&0x80) {\r
 887                         strcpy(noticeMsg, "16bit accurate renderer");\r
 888                 } else {\r
 889                         strcpy(noticeMsg, " 8bit accurate renderer");\r
 890                 }\r
 891 \r
 892                 gettimeofday(&noticeMsgTime, 0);\r
 893         }\r
 894         if(which & 0x0300) {\r
 895                 if(which&0x0200) {\r
 896                         state_slot -= 1;\r
 897                         if(state_slot < 0) state_slot = 9;\r
 898                 } else {\r
 899                         state_slot += 1;\r
 900                         if(state_slot > 9) state_slot = 0;\r
 901                 }\r
 902                 sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_check_save_file(state_slot) ? "USED" : "FREE");\r
 903                 gettimeofday(&noticeMsgTime, 0);\r
 904         }\r
 905         if(which & 0x0080) {\r
 906                 engineState = PGS_Menu;\r
 907         }\r
 908 }\r
 909 \r
 910 \r
 911 static void updateMovie(void)\r
 912 {\r
 913         int offs = Pico.m.frame_count*3 + 0x40;\r
 914         if (offs+3 > movie_size) {\r
 915                 free(movie_data);\r
 916                 movie_data = 0;\r
 917                 strcpy(noticeMsg, "END OF MOVIE.");\r
 918                 printf("END OF MOVIE.\n");\r
 919                 gettimeofday(&noticeMsgTime, 0);\r
 920         } else {\r
 921                 // MXYZ SACB RLDU\r
 922                 PicoPad[0] = ~movie_data[offs]   & 0x8f; // ! SCBA RLDU\r
 923                 if(!(movie_data[offs]   & 0x10)) PicoPad[0] |= 0x40; // A\r
 924                 if(!(movie_data[offs]   & 0x20)) PicoPad[0] |= 0x10; // B\r
 925                 if(!(movie_data[offs]   & 0x40)) PicoPad[0] |= 0x20; // A\r
 926                 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r
 927                 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A\r
 928                 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B\r
 929                 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A\r
 930                 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r
 931                 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r
 932                 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r
 933                 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r
 934                 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r
 935                 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r
 936         }\r
 937 }\r
 938 \r
 939 \r
 940 static void updateKeys(void)\r
 941 {\r
 942         unsigned long keys, allActions[2] = { 0, 0 }, events;\r
 943         static unsigned long prevEvents = 0;\r
 944         int joy, i;\r
 945 \r
 946         keys = gp2x_joystick_read(0);\r
 947         if (keys & GP2X_SELECT) {\r
 948                 engineState = select_exits ? PGS_Quit : PGS_Menu;\r
 949                 // wait until select is released, so menu would not resume game\r
 950                 while (gp2x_joystick_read(1) & GP2X_SELECT) usleep(50*1000);\r
 951         }\r
 952 \r
 953         keys &= CONFIGURABLE_KEYS;\r
 954 \r
 955         for (i = 0; i < 32; i++)\r
 956         {\r
 957                 if (keys & (1 << i)) {\r
 958                         int pl, acts = currentConfig.KeyBinds[i];\r
 959                         if (!acts) continue;\r
 960                         pl = (acts >> 16) & 1;\r
 961                         if (combo_keys & (1 << i)) {\r
 962                                 int u = i+1, acts_c = acts & combo_acts;\r
 963                                 // let's try to find the other one\r
 964                                 if (acts_c)\r
 965                                         for (; u < 32; u++)\r
 966                                                 if ( (currentConfig.KeyBinds[u] & acts_c) && (keys & (1 << u)) ) {\r
 967                                                         allActions[pl] |= acts_c;\r
 968                                                         keys &= ~((1 << i) | (1 << u));\r
 969                                                         break;\r
 970                                                 }\r
 971                                 // add non-combo actions if combo ones were not found\r
 972                                 if (!acts_c || u == 32)\r
 973                                         allActions[pl] |= acts & ~combo_acts;\r
 974                         } else {\r
 975                                 allActions[pl] |= acts;\r
 976                         }\r
 977                 }\r
 978         }\r
 979 \r
 980         // add joy inputs\r
 981         if (num_of_joys > 0)\r
 982         {\r
 983                 gp2x_usbjoy_update();\r
 984                 for (joy = 0; joy < num_of_joys; joy++) {\r
 985                         int keys = gp2x_usbjoy_check2(joy);\r
 986                         for (i = 0; i < 32; i++) {\r
 987                                 if (keys & (1 << i)) {\r
 988                                         int acts = currentConfig.JoyBinds[joy][i];\r
 989                                         int pl = (acts >> 16) & 1;\r
 990                                         allActions[pl] |= acts;\r
 991                                 }\r
 992                         }\r
 993                 }\r
 994         }\r
 995 \r
 996         PicoPad[0] = (unsigned short) allActions[0];\r
 997         PicoPad[1] = (unsigned short) allActions[1];\r
 998 \r
 999         events = (allActions[0] | allActions[1]) >> 16;\r
1000 \r
1001         // volume is treated in special way and triggered every frame\r
1002         if(events & 0x6000) {\r
1003                 int vol = currentConfig.volume;\r
1004                 if (events & 0x2000) {\r
1005                         if (vol < 99) vol++;\r
1006                 } else {\r
1007                         if (vol >  0) vol--;\r
1008                 }\r
1009                 gp2x_sound_volume(vol, vol);\r
1010                 sprintf(noticeMsg, "VOL: %02i", vol);\r
1011                 gettimeofday(&noticeMsgTime, 0);\r
1012                 currentConfig.volume = vol;\r
1013         }\r
1014 \r
1015         events &= ~prevEvents;\r
1016         if (events) RunEvents(events);\r
1017         if (movie_data) updateMovie();\r
1018 \r
1019         prevEvents = (allActions[0] | allActions[1]) >> 16;\r
1020 }\r
1021 \r
1022 \r
1023 static void updateSound(int len)\r
1024 {\r
1025         if (PicoOpt&8) len<<=1;\r
1026 \r
1027         /* avoid writing audio when lagging behind to prevent audio lag */\r
1028         if (PicoSkipFrame != 2)\r
1029                 gp2x_sound_write(PsndOut, len<<1);\r
1030 }\r
1031 \r
1032 \r
1033 static void SkipFrame(int do_audio)\r
1034 {\r
1035         PicoSkipFrame=do_audio ? 1 : 2;\r
1036         PicoFrame();\r
1037         PicoSkipFrame=0;\r
1038 }\r
1039 \r
1040 \r
1041 void emu_forced_frame(void)\r
1042 {\r
1043         int po_old = PicoOpt;\r
1044 \r
1045         PicoOpt |= 0x10;\r
1046         PicoFrameFull();\r
1047 \r
1048         if (!(Pico.video.reg[12]&1)) {\r
1049                 vidCpyM2 = vidCpyM2_32col;\r
1050                 clearArea(1);\r
1051         } else  vidCpyM2 = vidCpyM2_40col;\r
1052 \r
1053         vidCpyM2((unsigned char *)gp2x_screen+320*8, framebuff+328*8);\r
1054         vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
1055         gp2x_video_setpalette(localPal, 0x40);\r
1056 \r
1057         PicoOpt = po_old;\r
1058 }\r
1059 \r
1060 static void simpleWait(int thissec, int lim_time)\r
1061 {\r
1062         struct timeval tval;\r
1063 \r
1064         spend_cycles(1024);\r
1065         gettimeofday(&tval, 0);\r
1066         if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
1067 \r
1068         while(tval.tv_usec < lim_time)\r
1069         {\r
1070                 spend_cycles(1024);\r
1071                 gettimeofday(&tval, 0);\r
1072                 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
1073         }\r
1074 }\r
1075 \r
1076 \r
1077 void emu_Loop(void)\r
1078 {\r
1079         static int gp2x_old_clock = 200;\r
1080         static int PsndRate_old = 0, PicoOpt_old = 0, EmuOpt_old = 0, PsndLen_real = 0, pal_old = 0;\r
1081         char fpsbuff[24]; // fps count c string\r
1082         struct timeval tval; // timing\r
1083         int thissec = 0, frames_done = 0, frames_shown = 0, oldmodes = 0;\r
1084         int target_fps, target_frametime, lim_time, vsync_offset, i;\r
1085         char *notice = 0;\r
1086 \r
1087         printf("entered emu_Loop()\n");\r
1088 \r
1089         if (gp2x_old_clock != currentConfig.CPUclock) {\r
1090                 printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);\r
1091                 set_FCLK(currentConfig.CPUclock);\r
1092                 gp2x_old_clock = currentConfig.CPUclock;\r
1093                 printf(" done\n");\r
1094         }\r
1095 \r
1096         if (gp2x_old_gamma != currentConfig.gamma || (EmuOpt_old&0x1000) != (currentConfig.EmuOpt&0x1000)) {\r
1097                 set_gamma(currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
1098                 gp2x_old_gamma = currentConfig.gamma;\r
1099                 printf("updated gamma to %i, A_SN's curve: %i\n", currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
1100         }\r
1101 \r
1102         if ((EmuOpt_old&0x2000) != (currentConfig.EmuOpt&0x2000)) {\r
1103                 if (currentConfig.EmuOpt&0x2000)\r
1104                      set_LCD_custom_rate(Pico.m.pal ? LCDR_100 : LCDR_120);\r
1105                 else unset_LCD_custom_rate();\r
1106         }\r
1107 \r
1108         EmuOpt_old = currentConfig.EmuOpt;\r
1109         fpsbuff[0] = 0;\r
1110 \r
1111         // make sure we are in correct mode\r
1112         vidResetMode();\r
1113         Pico.m.dirtyPal = 1;\r
1114         oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r
1115         find_combos();\r
1116 \r
1117         // pal/ntsc might have changed, reset related stuff\r
1118         target_fps = Pico.m.pal ? 50 : 60;\r
1119         target_frametime = 1000000/target_fps;\r
1120         reset_timing = 1;\r
1121 \r
1122         // prepare sound stuff\r
1123         if(currentConfig.EmuOpt & 4) {\r
1124                 int snd_excess_add;\r
1125                 if(PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old || crashed_940) {\r
1126                         /* if 940 is turned off, we need it to be put back to sleep */\r
1127                         if (!(PicoOpt&0x200) && ((PicoOpt^PicoOpt_old)&0x200)) {\r
1128                                 Reset940(1, 2);\r
1129                                 Pause940(1);\r
1130                         }\r
1131                         sound_rerate(1);\r
1132                 }\r
1133                 //excess_samples = PsndRate - PsndLen*target_fps;\r
1134                 snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r
1135                 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
1136                 gp2x_start_sound(PsndRate, 16, (PicoOpt&8)>>3);\r
1137                 gp2x_sound_volume(currentConfig.volume, currentConfig.volume);\r
1138                 PicoWriteSound = updateSound;\r
1139                 memset(sndBuffer, 0, sizeof(sndBuffer));\r
1140                 PsndOut = sndBuffer;\r
1141                 PsndRate_old = PsndRate;\r
1142                 PsndLen_real = PsndLen;\r
1143                 PicoOpt_old  = PicoOpt;\r
1144                 pal_old = Pico.m.pal;\r
1145         } else {\r
1146                 PsndOut = 0;\r
1147         }\r
1148 \r
1149         // prepare CD buffer\r
1150         if (PicoMCD & 1) PicoCDBufferInit();\r
1151 \r
1152         // calc vsync offset to sync timing code with vsync\r
1153         if (currentConfig.EmuOpt&0x2000) {\r
1154                 gettimeofday(&tval, 0);\r
1155                 gp2x_video_wait_vsync();\r
1156                 gettimeofday(&tval, 0);\r
1157                 vsync_offset = tval.tv_usec;\r
1158                 while (vsync_offset >= target_frametime)\r
1159                         vsync_offset -= target_frametime;\r
1160                 if (!vsync_offset) vsync_offset++;\r
1161                 printf("vsync_offset: %i\n", vsync_offset);\r
1162         } else\r
1163                 vsync_offset = 0;\r
1164 \r
1165         // loop?\r
1166         while (engineState == PGS_Running)\r
1167         {\r
1168                 int modes;\r
1169 \r
1170                 gettimeofday(&tval, 0);\r
1171                 if(reset_timing) {\r
1172                         reset_timing = 0;\r
1173                         thissec = tval.tv_sec;\r
1174                         frames_shown = frames_done = tval.tv_usec/target_frametime;\r
1175                 }\r
1176 \r
1177                 // show notice message?\r
1178                 if(noticeMsgTime.tv_sec) {\r
1179                         static int noticeMsgSum;\r
1180                         if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r
1181                                 noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r
1182                                 clearArea(0);\r
1183                                 notice = 0;\r
1184                         } else {\r
1185                                 int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r
1186                                 if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r
1187                                 notice = noticeMsg;\r
1188                         }\r
1189                 }\r
1190 \r
1191                 // check for mode changes\r
1192                 modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r
1193                 if (modes != oldmodes) {\r
1194                         int scalex = 320;\r
1195                         osd_fps_x = OSD_FPS_X;\r
1196                         if (modes & 4) {\r
1197                                 vidCpyM2 = vidCpyM2_40col;\r
1198                         } else {\r
1199                                 if (PicoOpt & 0x100) {\r
1200                                         vidCpyM2 = vidCpyM2_32col_nobord;\r
1201                                         scalex = 256;\r
1202                                         osd_fps_x = OSD_FPS_X - 64;\r
1203                                 } else {\r
1204                                         vidCpyM2 = vidCpyM2_32col;\r
1205                                 }\r
1206                         }\r
1207                         if (currentConfig.scaling == 2 && !(modes&8)) // want vertical scaling and game is not in 240 line mode\r
1208                              gp2x_video_RGB_setscaling(8, scalex, 224);\r
1209                         else gp2x_video_RGB_setscaling(0, scalex, 240);\r
1210                         oldmodes = modes;\r
1211                         clearArea(1);\r
1212                 }\r
1213 \r
1214                 // second changed?\r
1215                 if(thissec != tval.tv_sec) {\r
1216 #ifdef BENCHMARK\r
1217                         static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r
1218                         if(++bench == 10) {\r
1219                                 bench = 0;\r
1220                                 bench_fps_s = bench_fps;\r
1221                                 bf[bfp++ & 3] = bench_fps;\r
1222                                 bench_fps = 0;\r
1223                         }\r
1224                         bench_fps += frames_shown;\r
1225                         sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r
1226 #else\r
1227                         if(currentConfig.EmuOpt & 2)\r
1228                                 sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r
1229 #endif\r
1230                         thissec = tval.tv_sec;\r
1231 \r
1232                         if(PsndOut == 0 && currentConfig.Frameskip >= 0) {\r
1233                                 frames_done = frames_shown = 0;\r
1234                         } else {\r
1235                                 // it is quite common for this implementation to leave 1 fame unfinished\r
1236                                 // when second changes, but we don't want buffer to starve.\r
1237                                 if(PsndOut && frames_done < target_fps && frames_done > target_fps-5) {\r
1238                                         updateKeys();\r
1239                                         SkipFrame(1); frames_done++;\r
1240                                 }\r
1241 \r
1242                                 frames_done  -= target_fps; if (frames_done  < 0) frames_done  = 0;\r
1243                                 frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0;\r
1244                                 if (frames_shown > frames_done) frames_shown = frames_done;\r
1245                         }\r
1246                 }\r
1247 \r
1248                 lim_time = (frames_done+1) * target_frametime + vsync_offset;\r
1249                 if(currentConfig.Frameskip >= 0) { // frameskip enabled\r
1250                         for(i = 0; i < currentConfig.Frameskip; i++) {\r
1251                                 updateKeys();\r
1252                                 SkipFrame(1); frames_done++;\r
1253                                 if (PsndOut) { // do framelimitting if sound is enabled\r
1254                                         gettimeofday(&tval, 0);\r
1255                                         if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
1256                                         if(tval.tv_usec < lim_time) { // we are too fast\r
1257                                                 simpleWait(thissec, lim_time);\r
1258                                         }\r
1259                                 }\r
1260                                 lim_time += target_frametime;\r
1261                         }\r
1262                 } else if(tval.tv_usec > lim_time) { // auto frameskip\r
1263                         // no time left for this frame - skip\r
1264                         if (tval.tv_usec - lim_time >= 0x300000) {\r
1265                                 /* something caused a slowdown for us (disk access? cache flush?)\r
1266                                  * try to recover by resetting timing... */\r
1267                                 reset_timing = 1;\r
1268                                 continue;\r
1269                         }\r
1270                         updateKeys();\r
1271                         SkipFrame(tval.tv_usec < lim_time+target_frametime*2); frames_done++;\r
1272                         continue;\r
1273                 }\r
1274 \r
1275                 updateKeys();\r
1276                 PicoFrame();\r
1277 \r
1278 #if 0\r
1279 if (Pico.m.frame_count == 31563) {\r
1280         FILE *f;\r
1281         f = fopen("ram_p.bin", "wb");\r
1282         if (!f) { printf("!f\n"); exit(1); }\r
1283         fwrite(Pico.ram, 1, 0x10000, f);\r
1284         fclose(f);\r
1285         exit(0);\r
1286 }\r
1287 #endif\r
1288 #if 0\r
1289                 // debug\r
1290                 {\r
1291                         #define BYTE unsigned char\r
1292                         #define WORD unsigned short\r
1293                         struct\r
1294                         {\r
1295                                 BYTE IDLength;        /* 00h  Size of Image ID field */\r
1296                                 BYTE ColorMapType;    /* 01h  Color map type */\r
1297                                 BYTE ImageType;       /* 02h  Image type code */\r
1298                                 WORD CMapStart;       /* 03h  Color map origin */\r
1299                                 WORD CMapLength;      /* 05h  Color map length */\r
1300                                 BYTE CMapDepth;       /* 07h  Depth of color map entries */\r
1301                                 WORD XOffset;         /* 08h  X origin of image */\r
1302                                 WORD YOffset;         /* 0Ah  Y origin of image */\r
1303                                 WORD Width;           /* 0Ch  Width of image */\r
1304                                 WORD Height;          /* 0Eh  Height of image */\r
1305                                 BYTE PixelDepth;      /* 10h  Image pixel size */\r
1306                                 BYTE ImageDescriptor; /* 11h  Image descriptor byte */\r
1307                         } __attribute__((packed)) TGAHEAD;\r
1308                         static unsigned short oldscr[320*240];\r
1309                         FILE *f; char name[128]; int i;\r
1310 \r
1311                         memset(&TGAHEAD, 0, sizeof(TGAHEAD));\r
1312                         TGAHEAD.ImageType = 2;\r
1313                         TGAHEAD.Width = 320;\r
1314                         TGAHEAD.Height = 240;\r
1315                         TGAHEAD.PixelDepth = 16;\r
1316                         TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left\r
1317 \r
1318                         #define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?\r
1319 \r
1320                         for (i = 0; i < 320*240; i++)\r
1321                                 if(oldscr[i] != CONV(((unsigned short *)gp2x_screen)[i])) break;\r
1322                         if (i < 320*240)\r
1323                         {\r
1324                                 for (i = 0; i < 320*240; i++)\r
1325                                         oldscr[i] = CONV(((unsigned short *)gp2x_screen)[i]);\r
1326                                 sprintf(name, "%05i.tga", Pico.m.frame_count);\r
1327                                 f = fopen(name, "wb");\r
1328                                 if (!f) { printf("!f\n"); exit(1); }\r
1329                                 fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);\r
1330                                 fwrite(oldscr, 1, 320*240*2, f);\r
1331                                 fclose(f);\r
1332                         }\r
1333                 }\r
1334 #endif\r
1335 \r
1336                 // check time\r
1337                 gettimeofday(&tval, 0);\r
1338                 if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
1339 \r
1340                 if (currentConfig.Frameskip < 0 && tval.tv_usec - lim_time >= 0x300000) // slowdown detection\r
1341                         reset_timing = 1;\r
1342                 else if (PsndOut != NULL || currentConfig.Frameskip < 0)\r
1343                 {\r
1344                         // sleep or vsync if we are still too fast\r
1345                         // usleep sleeps for ~20ms minimum, so it is not a solution here\r
1346                         if(tval.tv_usec < lim_time)\r
1347                         {\r
1348                                 // we are too fast\r
1349                                 if (vsync_offset) {\r
1350                                         if (lim_time - tval.tv_usec > target_frametime/2)\r
1351                                                 simpleWait(thissec, lim_time - target_frametime/4);\r
1352                                         gp2x_video_wait_vsync();\r
1353                                 } else {\r
1354                                         simpleWait(thissec, lim_time);\r
1355                                 }\r
1356                         }\r
1357                 }\r
1358 \r
1359                 blit(fpsbuff, notice);\r
1360 \r
1361                 frames_done++; frames_shown++;\r
1362         }\r
1363 \r
1364 \r
1365         if (PicoMCD & 1) PicoCDBufferFree();\r
1366 \r
1367         // save SRAM\r
1368         if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
1369                 emu_state_cb("Writing SRAM/BRAM..");\r
1370                 emu_SaveLoadGame(0, 1);\r
1371                 SRam.changed = 0;\r
1372         }\r
1373 \r
1374         // if in 16bit mode, generate 8it image for menu background\r
1375         if (!(PicoOpt&0x10) && (currentConfig.EmuOpt&0x80))\r
1376                 emu_forced_frame();\r
1377 \r
1378         // for menu bg\r
1379         gp2x_memcpy_buffers((1<<2), gp2x_screen, 0, 320*240*2);\r
1380 }\r
1381 \r
1382 \r
1383 void emu_ResetGame(void)\r
1384 {\r
1385         PicoReset(0);\r
1386         reset_timing = 1;\r
1387 }\r
1388 \r
1389 \r
1390 size_t gzRead2(void *p, size_t _size, size_t _n, void *file)\r
1391 {\r
1392         return gzread(file, p, _n);\r
1393 }\r
1394 \r
1395 \r
1396 size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)\r
1397 {\r
1398         return gzwrite(file, p, _n);\r
1399 }\r
1400 \r
1401 static int try_ropen_file(const char *fname)\r
1402 {\r
1403         FILE *f;\r
1404 \r
1405         f = fopen(fname, "rb");\r
1406         if (f) {\r
1407                 fclose(f);\r
1408                 return 1;\r
1409         }\r
1410         return 0;\r
1411 }\r
1412 \r
1413 char *emu_GetSaveFName(int load, int is_sram, int slot)\r
1414 {\r
1415         static char saveFname[512];\r
1416         char ext[16];\r
1417 \r
1418         if (is_sram)\r
1419         {\r
1420                 romfname_ext(saveFname, (PicoMCD&1) ? "brm/" : "srm/", (PicoMCD&1) ? ".brm" : ".srm");\r
1421                 if (load) {\r
1422                         if (try_ropen_file(saveFname)) return saveFname;\r
1423                         // try in current dir..\r
1424                         romfname_ext(saveFname, NULL, (PicoMCD&1) ? ".brm" : ".srm");\r
1425                         if (try_ropen_file(saveFname)) return saveFname;\r
1426                         return NULL; // give up\r
1427                 }\r
1428         }\r
1429         else\r
1430         {\r
1431                 ext[0] = 0;\r
1432                 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
1433                 strcat(ext, (currentConfig.EmuOpt & 8) ? ".mds.gz" : ".mds");\r
1434 \r
1435                 romfname_ext(saveFname, "mds/", ext);\r
1436                 if (load) {\r
1437                         if (try_ropen_file(saveFname)) return saveFname;\r
1438                         romfname_ext(saveFname, NULL, ext);\r
1439                         if (try_ropen_file(saveFname)) return saveFname;\r
1440                         if (currentConfig.EmuOpt & 8) {\r
1441                                 ext[0] = 0;\r
1442                                 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
1443                                 strcat(ext, ".mds");\r
1444 \r
1445                                 romfname_ext(saveFname, "mds/", ext);\r
1446                                 if (try_ropen_file(saveFname)) return saveFname;\r
1447                                 romfname_ext(saveFname, NULL, ext);\r
1448                                 if (try_ropen_file(saveFname)) return saveFname;\r
1449                         }\r
1450                         return NULL;\r
1451                 }\r
1452         }\r
1453 \r
1454         return saveFname;\r
1455 }\r
1456 \r
1457 int emu_check_save_file(int slot)\r
1458 {\r
1459         return emu_GetSaveFName(1, 0, slot) ? 1 : 0;\r
1460 }\r
1461 \r
1462 void emu_set_save_cbs(int gz)\r
1463 {\r
1464         if (gz) {\r
1465                 areaRead  = gzRead2;\r
1466                 areaWrite = gzWrite2;\r
1467                 areaEof   = (areaeof *) gzeof;\r
1468                 areaSeek  = (areaseek *) gzseek;\r
1469                 areaClose = (areaclose *) gzclose;\r
1470         } else {\r
1471                 areaRead  = (arearw *) fread;\r
1472                 areaWrite = (arearw *) fwrite;\r
1473                 areaEof   = (areaeof *) feof;\r
1474                 areaSeek  = (areaseek *) fseek;\r
1475                 areaClose = (areaclose *) fclose;\r
1476         }\r
1477 }\r
1478 \r
1479 int emu_SaveLoadGame(int load, int sram)\r
1480 {\r
1481         int ret = 0;\r
1482         char *saveFname;\r
1483 \r
1484         // make save filename\r
1485         saveFname = emu_GetSaveFName(load, sram, state_slot);\r
1486         if (saveFname == NULL) {\r
1487                 if (!sram) {\r
1488                         strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED  ");\r
1489                         gettimeofday(&noticeMsgTime, 0);\r
1490                 }\r
1491                 return -1;\r
1492         }\r
1493 \r
1494         printf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r
1495 \r
1496         if(sram) {\r
1497                 FILE *sramFile;\r
1498                 int sram_size;\r
1499                 unsigned char *sram_data;\r
1500                 int truncate = 1;\r
1501                 if (PicoMCD&1) {\r
1502                         if (PicoOpt&0x8000) { // MCD RAM cart?\r
1503                                 sram_size = 0x12000;\r
1504                                 sram_data = SRam.data;\r
1505                                 if (sram_data)\r
1506                                         memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);\r
1507                         } else {\r
1508                                 sram_size = 0x2000;\r
1509                                 sram_data = Pico_mcd->bram;\r
1510                                 truncate  = 0; // the .brm may contain RAM cart data after normal brm\r
1511                         }\r
1512                 } else {\r
1513                         sram_size = SRam.end-SRam.start+1;\r
1514                         if(SRam.reg_back & 4) sram_size=0x2000;\r
1515                         sram_data = SRam.data;\r
1516                 }\r
1517                 if (!sram_data) return 0; // SRam forcefully disabled for this game\r
1518 \r
1519                 if (load) {\r
1520                         sramFile = fopen(saveFname, "rb");\r
1521                         if(!sramFile) return -1;\r
1522                         fread(sram_data, 1, sram_size, sramFile);\r
1523                         fclose(sramFile);\r
1524                         if ((PicoMCD&1) && (PicoOpt&0x8000))\r
1525                                 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r
1526                 } else {\r
1527                         // sram save needs some special processing\r
1528                         // see if we have anything to save\r
1529                         for (; sram_size > 0; sram_size--)\r
1530                                 if (sram_data[sram_size-1]) break;\r
1531 \r
1532                         if (sram_size) {\r
1533                                 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r
1534                                 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r
1535                                 if (!sramFile) return -1;\r
1536                                 ret = fwrite(sram_data, 1, sram_size, sramFile);\r
1537                                 ret = (ret != sram_size) ? -1 : 0;\r
1538                                 fclose(sramFile);\r
1539 #ifndef NO_SYNC\r
1540                                 sync();\r
1541 #endif\r
1542                         }\r
1543                 }\r
1544                 return ret;\r
1545         }\r
1546         else\r
1547         {\r
1548                 void *PmovFile = NULL;\r
1549                 if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0) {\r
1550                         if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {\r
1551                                 emu_set_save_cbs(1);\r
1552                                 if(!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);\r
1553                         }\r
1554                 }\r
1555                 else\r
1556                 {\r
1557                         if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {\r
1558                                 emu_set_save_cbs(0);\r
1559                         }\r
1560                 }\r
1561                 if(PmovFile) {\r
1562                         ret = PmovState(load ? 6 : 5, PmovFile);\r
1563                         areaClose(PmovFile);\r
1564                         PmovFile = 0;\r
1565                         if (load) Pico.m.dirtyPal=1;\r
1566 #ifndef NO_SYNC\r
1567                         else sync();\r
1568 #endif\r
1569                 }\r
1570                 else    ret = -1;\r
1571                 if (!ret)\r
1572                         strcpy(noticeMsg, load ? "GAME LOADED  " : "GAME SAVED   ");\r
1573                 else\r
1574                 {\r
1575                         strcpy(noticeMsg, load ? "LOAD FAILED  " : "SAVE FAILED  ");\r
1576                         ret = -1;\r
1577                 }\r
1578 \r
1579                 gettimeofday(&noticeMsgTime, 0);\r
1580                 return ret;\r
1581         }\r
1582 }\r