platform/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 // PicoPad[] format: SACB RLDU\r
  36 char *actionNames[] = {\r
  37         "UP", "DOWN", "LEFT", "RIGHT", "B", "C", "A", "START",\r
  38         0, 0, 0, 0, 0, 0, 0, 0, // Z, Y, X, MODE (enabled only when needed), ?, ?, ?, ?\r
  39         0, 0, 0, 0, 0, 0, 0, "ENTER MENU", // player2_flag, ?, ?, ?, ?, ?, ?, menu\r
  40         "NEXT SAVE SLOT", "PREV SAVE SLOT", "SWITCH RENDERER", "SAVE STATE",\r
  41         "LOAD STATE", "VOLUME UP", "VOLUME DOWN", "DONE"\r
  42 };\r
  43 \r
  44 int engineState;\r
  45 int select_exits = 0;\r
  46 char *PicoConfigFile = "picoconfig.bin";\r
  47 currentConfig_t currentConfig;\r
  48 \r
  49 char romFileName[PATH_MAX];\r
  50 unsigned char *rom_data = NULL;\r
  51 \r
  52 extern int crashed_940;\r
  53 \r
  54 static short sndBuffer[2*44100/50];\r
  55 static char noticeMsg[64];                                      // notice msg to draw\r
  56 static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r
  57 static int osd_fps_x;\r
  58 static int combo_keys = 0, combo_acts = 0;      // keys and actions which need button combos\r
  59 static int gp2x_old_gamma = 100;\r
  60 static unsigned char *movie_data = NULL;\r
  61 static int movie_size = 0;\r
  62 unsigned char *framebuff = 0;  // temporary buffer for alt renderer\r
  63 int state_slot = 0;\r
  64 int reset_timing = 0;\r
  65 int config_slot = 0, config_slot_current = 0;\r
  66 \r
  67 \r
  68 // utilities\r
  69 static void strlwr(char* string)\r
  70 {\r
  71         while ( (*string++ = (char)tolower(*string)) );\r
  72 }\r
  73 \r
  74 static int try_rfn_cut(void)\r
  75 {\r
  76         FILE *tmp;\r
  77         char *p;\r
  78 \r
  79         p = romFileName + strlen(romFileName) - 1;\r
  80         for (; p > romFileName; p--)\r
  81                 if (*p == '.') break;\r
  82         *p = 0;\r
  83 \r
  84         if((tmp = fopen(romFileName, "rb"))) {\r
  85                 fclose(tmp);\r
  86                 return 1;\r
  87         }\r
  88         return 0;\r
  89 }\r
  90 \r
  91 static void get_ext(char *file, char *ext)\r
  92 {\r
  93         char *p;\r
  94 \r
  95         p = file + strlen(file) - 4;\r
  96         if (p < file) p = file;\r
  97         strncpy(ext, p, 4);\r
  98         ext[4] = 0;\r
  99         strlwr(ext);\r
 100 }\r
 101 \r
 102 char *biosfiles_us[] = { "us_scd2_9306", "SegaCDBIOS9303", "us_scd1_9210" };\r
 103 char *biosfiles_eu[] = { "eu_mcd2_9306", "eu_mcd2_9303",   "eu_mcd1_9210" };\r
 104 char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" };\r
 105 \r
 106 extern char **g_argv;\r
 107 \r
 108 int find_bios(int region, char **bios_file)\r
 109 {\r
 110         static char bios_path[1024];\r
 111         int i, j, count;\r
 112         char **files;\r
 113         FILE *f = NULL;\r
 114 \r
 115         if (region == 4) { // US\r
 116                 files = biosfiles_us;\r
 117                 count = sizeof(biosfiles_us) / sizeof(char *);\r
 118         } else if (region == 8) { // EU\r
 119                 files = biosfiles_eu;\r
 120                 count = sizeof(biosfiles_eu) / sizeof(char *);\r
 121         } else if (region == 1 || region == 2) {\r
 122                 files = biosfiles_jp;\r
 123                 count = sizeof(biosfiles_jp) / sizeof(char *);\r
 124         } else {\r
 125                 return 0;\r
 126         }\r
 127 \r
 128         for (i = 0; i < count; i++)\r
 129         {\r
 130                 strncpy(bios_path, g_argv[0], 1023);\r
 131                 bios_path[1024-32] = 0;\r
 132                 for (j = strlen(bios_path); j > 0; j--)\r
 133                         if (bios_path[j] == '/') { bios_path[j+1] = 0; break; }\r
 134                 strcat(bios_path, files[i]);\r
 135                 strcat(bios_path, ".bin");\r
 136                 f = fopen(bios_path, "rb");\r
 137                 if (f) break;\r
 138 \r
 139                 bios_path[strlen(bios_path) - 4] = 0;\r
 140                 strcat(bios_path, ".zip");\r
 141                 f = fopen(bios_path, "rb");\r
 142                 if (f) break;\r
 143         }\r
 144 \r
 145         if (f) {\r
 146                 printf("using bios: %s\n", bios_path);\r
 147                 fclose(f);\r
 148                 if (bios_file) *bios_file = bios_path;\r
 149                 return 1;\r
 150         } else {\r
 151                 sprintf(menuErrorMsg, "no %s BIOS files found, read docs",\r
 152                         region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
 153                 printf("%s\n", menuErrorMsg);\r
 154                 return 0;\r
 155         }\r
 156 }\r
 157 \r
 158 /* checks if romFileName points to valid MegaCD image\r
 159  * if so, checks for suitable BIOS */\r
 160 int emu_cd_check(char **bios_file)\r
 161 {\r
 162         unsigned char buf[32];\r
 163         pm_file *cd_f;\r
 164         int type = 0, region = 4; // 1: Japan, 4: US, 8: Europe\r
 165 \r
 166         cd_f = pm_open(romFileName);\r
 167         if (!cd_f) return 0; // let the upper level handle this\r
 168 \r
 169         if (pm_read(buf, 32, cd_f) != 32) {\r
 170                 pm_close(cd_f);\r
 171                 return 0;\r
 172         }\r
 173 \r
 174         if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) type = 1;       // Sega CD (ISO)\r
 175         if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) type = 2;       // Sega CD (BIN)\r
 176         if (type == 0) {\r
 177                 pm_close(cd_f);\r
 178                 return 0;\r
 179         }\r
 180 \r
 181         /* it seems we have a CD image here. Try to detect region now.. */\r
 182         pm_seek(cd_f, (type == 1) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET);\r
 183         pm_read(buf, 1, cd_f);\r
 184         pm_close(cd_f);\r
 185 \r
 186         if (buf[0] == 0x64) region = 8; // EU\r
 187         if (buf[0] == 0xa1) region = 1; // JAP\r
 188 \r
 189         printf("detected %s Sega/Mega CD image with %s region\n",\r
 190                 type == 2 ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
 191 \r
 192         if (PicoRegionOverride) {\r
 193                 region = PicoRegionOverride;\r
 194                 printf("overrided region to %s\n", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA");\r
 195         }\r
 196 \r
 197         if (bios_file == NULL) return type;\r
 198 \r
 199         if (find_bios(region, bios_file))\r
 200                  return type;   // CD and BIOS detected\r
 201 \r
 202         return -1;              // CD detected but load failed\r
 203 }\r
 204 \r
 205 int emu_ReloadRom(void)\r
 206 {\r
 207         unsigned int rom_size = 0;\r
 208         char *used_rom_name = romFileName;\r
 209         char ext[5];\r
 210         pm_file *rom;\r
 211         int ret, cd_state;\r
 212 \r
 213         printf("emu_ReloadRom(%s)\n", romFileName);\r
 214 \r
 215         get_ext(romFileName, ext);\r
 216 \r
 217         // detect wrong extensions\r
 218         if(!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz\r
 219                 sprintf(menuErrorMsg, "Not a ROM selected.");\r
 220                 return 0;\r
 221         }\r
 222 \r
 223         PicoPatchUnload();\r
 224 \r
 225         // check for movie file\r
 226         if(movie_data) {\r
 227                 free(movie_data);\r
 228                 movie_data = 0;\r
 229         }\r
 230         if(!strcmp(ext, ".gmv")) {\r
 231                 // check for both gmv and rom\r
 232                 int dummy;\r
 233                 FILE *movie_file = fopen(romFileName, "rb");\r
 234                 if(!movie_file) {\r
 235                         sprintf(menuErrorMsg, "Failed to open movie.");\r
 236                         return 0;\r
 237                 }\r
 238                 fseek(movie_file, 0, SEEK_END);\r
 239                 movie_size = ftell(movie_file);\r
 240                 fseek(movie_file, 0, SEEK_SET);\r
 241                 if(movie_size < 64+3) {\r
 242                         sprintf(menuErrorMsg, "Invalid GMV file.");\r
 243                         fclose(movie_file);\r
 244                         return 0;\r
 245                 }\r
 246                 movie_data = malloc(movie_size);\r
 247                 if(movie_data == NULL) {\r
 248                         sprintf(menuErrorMsg, "low memory.");\r
 249                         fclose(movie_file);\r
 250                         return 0;\r
 251                 }\r
 252                 fread(movie_data, 1, movie_size, movie_file);\r
 253                 fclose(movie_file);\r
 254                 if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r
 255                         sprintf(menuErrorMsg, "Invalid GMV file.");\r
 256                         return 0;\r
 257                 }\r
 258                 dummy = try_rfn_cut() || try_rfn_cut();\r
 259                 if (!dummy) {\r
 260                         sprintf(menuErrorMsg, "Could't find a ROM for movie.");\r
 261                         return 0;\r
 262                 }\r
 263                 get_ext(romFileName, ext);\r
 264         }\r
 265         else if (!strcmp(ext, ".pat")) {\r
 266                 int dummy;\r
 267                 PicoPatchLoad(romFileName);\r
 268                 dummy = try_rfn_cut() || try_rfn_cut();\r
 269                 if (!dummy) {\r
 270                         sprintf(menuErrorMsg, "Could't find a ROM to patch.");\r
 271                         return 0;\r
 272                 }\r
 273                 get_ext(romFileName, ext);\r
 274         }\r
 275 \r
 276         if ((PicoMCD & 1) && Pico_mcd != NULL)\r
 277                 Stop_CD();\r
 278 \r
 279         // check for MegaCD image\r
 280         cd_state = emu_cd_check(&used_rom_name);\r
 281         if (cd_state > 0) {\r
 282                 PicoMCD |= 1;\r
 283                 get_ext(used_rom_name, ext);\r
 284         } else if (cd_state == -1) {\r
 285                 // bios_help() ?\r
 286                 return 0;\r
 287         } else {\r
 288                 if (PicoMCD & 1) PicoExitMCD();\r
 289                 PicoMCD &= ~1;\r
 290         }\r
 291 \r
 292         rom = pm_open(used_rom_name);\r
 293         if(!rom) {\r
 294                 sprintf(menuErrorMsg, "Failed to open rom.");\r
 295                 return 0;\r
 296         }\r
 297 \r
 298         if(rom_data) {\r
 299                 free(rom_data);\r
 300                 rom_data = 0;\r
 301                 rom_size = 0;\r
 302         }\r
 303 \r
 304         if( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {\r
 305                 sprintf(menuErrorMsg, "PicoCartLoad() failed.");\r
 306                 printf("%s\n", menuErrorMsg);\r
 307                 pm_close(rom);\r
 308                 return 0;\r
 309         }\r
 310         pm_close(rom);\r
 311 \r
 312         // detect wrong files (Pico crashes on very small files), also see if ROM EP is good\r
 313         if(rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||\r
 314           ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {\r
 315                 if (rom_data) free(rom_data);\r
 316                 rom_data = 0;\r
 317                 sprintf(menuErrorMsg, "Not a ROM selected.");\r
 318                 return 0;\r
 319         }\r
 320 \r
 321         // load config for this ROM (do this before insert to get correct region)\r
 322         ret = emu_ReadConfig(1);\r
 323         if (!ret)\r
 324                 emu_ReadConfig(0);\r
 325 \r
 326         printf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);\r
 327         if(PicoCartInsert(rom_data, rom_size)) {\r
 328                 sprintf(menuErrorMsg, "Failed to load ROM.");\r
 329                 return 0;\r
 330         }\r
 331 \r
 332         Pico.m.frame_count = 0;\r
 333 \r
 334         // insert CD if it was detected\r
 335         if (cd_state > 0) {\r
 336                 ret = Insert_CD(romFileName, cd_state == 2);\r
 337                 if (ret != 0) {\r
 338                         sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?");\r
 339                         printf("%s\n", menuErrorMsg);\r
 340                         return 0;\r
 341                 }\r
 342         }\r
 343 \r
 344         // emu_ReadConfig() might have messed currentConfig.lastRomFile\r
 345         strncpy(currentConfig.lastRomFile, romFileName, sizeof(currentConfig.lastRomFile)-1);\r
 346         currentConfig.lastRomFile[sizeof(currentConfig.lastRomFile)-1] = 0;\r
 347 \r
 348         if (PicoPatches) {\r
 349                 PicoPatchPrepare();\r
 350                 PicoPatchApply();\r
 351         }\r
 352 \r
 353         // additional movie stuff\r
 354         if(movie_data) {\r
 355                 if(movie_data[0x14] == '6')\r
 356                      PicoOpt |=  0x20; // 6 button pad\r
 357                 else PicoOpt &= ~0x20;\r
 358                 PicoOpt |= 0x40; // accurate timing\r
 359                 if(movie_data[0xF] >= 'A') {\r
 360                         if(movie_data[0x16] & 0x80) {\r
 361                                 PicoRegionOverride = 8;\r
 362                         } else {\r
 363                                 PicoRegionOverride = 4;\r
 364                         }\r
 365                         PicoReset(0);\r
 366                         // TODO: bits 6 & 5\r
 367                 }\r
 368                 movie_data[0x18+30] = 0;\r
 369                 sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);\r
 370         }\r
 371         else\r
 372         {\r
 373                 if(Pico.m.pal) {\r
 374                         strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");\r
 375                 } else {\r
 376                         strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");\r
 377                 }\r
 378         }\r
 379         gettimeofday(&noticeMsgTime, 0);\r
 380 \r
 381         // load SRAM for this ROM\r
 382         if(currentConfig.EmuOpt & 1)\r
 383                 emu_SaveLoadGame(1, 1);\r
 384 \r
 385         return 1;\r
 386 }\r
 387 \r
 388 \r
 389 static void emu_msg_cb(const char *msg);\r
 390 static void emu_msg_tray_open(void);\r
 391 \r
 392 void emu_Init(void)\r
 393 {\r
 394         // make temp buffer for alt renderer\r
 395         framebuff = malloc((8+320)*(8+240+8));\r
 396         if (!framebuff)\r
 397         {\r
 398                 printf("framebuff == 0\n");\r
 399         }\r
 400 \r
 401         // make dirs for saves, cfgs, etc.\r
 402         mkdir("mds", 0777);\r
 403         mkdir("srm", 0777);\r
 404         mkdir("brm", 0777);\r
 405         mkdir("cfg", 0777);\r
 406 \r
 407         PicoInit();\r
 408         PicoMessage = emu_msg_cb;\r
 409         PicoMCDopenTray = emu_msg_tray_open;\r
 410         PicoMCDcloseTray = menu_loop_tray;\r
 411 }\r
 412 \r
 413 \r
 414 static void romfname_ext(char *dst, const char *prefix, const char *ext)\r
 415 {\r
 416         char *p;\r
 417         int prefix_len = 0;\r
 418 \r
 419         // make save filename\r
 420         for (p = romFileName+strlen(romFileName)-1; p >= romFileName && *p != '/'; p--); p++;\r
 421         *dst = 0;\r
 422         if (prefix) {\r
 423                 strcpy(dst, prefix);\r
 424                 prefix_len = strlen(prefix);\r
 425         }\r
 426         strncpy(dst + prefix_len, p, 511-prefix_len);\r
 427         dst[511-8] = 0;\r
 428         if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;\r
 429         if (ext) strcat(dst, ext);\r
 430 }\r
 431 \r
 432 \r
 433 static void find_combos(void)\r
 434 {\r
 435         int act, u;\r
 436 \r
 437         // find out which keys and actions are combos\r
 438         combo_keys = combo_acts = 0;\r
 439         for (act = 0; act < 32; act++)\r
 440         {\r
 441                 int keyc = 0;\r
 442                 if (act == 16) continue; // player2 flag\r
 443                 for (u = 0; u < 32; u++)\r
 444                 {\r
 445                         if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;\r
 446                 }\r
 447                 if (keyc > 1)\r
 448                 {\r
 449                         // loop again and mark those keys and actions as combo\r
 450                         for (u = 0; u < 32; u++)\r
 451                         {\r
 452                                 if (currentConfig.KeyBinds[u] & (1 << act)) {\r
 453                                         combo_keys |= 1 << u;\r
 454                                         combo_acts |= 1 << act;\r
 455                                 }\r
 456                         }\r
 457                 }\r
 458         }\r
 459         // printf("combo keys/acts: %08x %08x\n", combo_keys, combo_acts);\r
 460 }\r
 461 \r
 462 \r
 463 void scaling_update(void)\r
 464 {\r
 465         PicoOpt &= ~0x4100;\r
 466         switch (currentConfig.scaling) {\r
 467                 default: break; // off\r
 468                 case 1:  // hw hor\r
 469                 case 2:  PicoOpt |=  0x0100; break; // hw hor+vert\r
 470                 case 3:  PicoOpt |=  0x4000; break; // sw hor\r
 471         }\r
 472 }\r
 473 \r
 474 \r
 475 int emu_ReadConfig(int game)\r
 476 {\r
 477         FILE *f;\r
 478         char cfg[512], extbuf[16];\r
 479         int bread = 0;\r
 480 \r
 481         if (!game)\r
 482         {\r
 483                 // set default config\r
 484                 memset(&currentConfig, 0, sizeof(currentConfig));\r
 485                 currentConfig.lastRomFile[0] = 0;\r
 486                 currentConfig.EmuOpt  = 0x1f | 0x600; // | confirm_save, cd_leds\r
 487                 currentConfig.PicoOpt = 0x0f | 0xe00; // | use_940, cd_pcm, cd_cdda\r
 488                 currentConfig.PsndRate = 22050; // 44100;\r
 489                 currentConfig.PicoRegion = 0; // auto\r
 490                 currentConfig.PicoAutoRgnOrder = 0x184; // US, EU, JP\r
 491                 currentConfig.Frameskip = -1; // auto\r
 492                 currentConfig.CPUclock = 200;\r
 493                 currentConfig.volume = 50;\r
 494                 currentConfig.KeyBinds[ 0] = 1<<0; // SACB RLDU\r
 495                 currentConfig.KeyBinds[ 4] = 1<<1;\r
 496                 currentConfig.KeyBinds[ 2] = 1<<2;\r
 497                 currentConfig.KeyBinds[ 6] = 1<<3;\r
 498                 currentConfig.KeyBinds[14] = 1<<4;\r
 499                 currentConfig.KeyBinds[13] = 1<<5;\r
 500                 currentConfig.KeyBinds[12] = 1<<6;\r
 501                 currentConfig.KeyBinds[ 8] = 1<<7;\r
 502                 currentConfig.KeyBinds[15] = 1<<26; // switch rend\r
 503                 currentConfig.KeyBinds[10] = 1<<27; // save state\r
 504                 currentConfig.KeyBinds[11] = 1<<28; // load state\r
 505                 currentConfig.KeyBinds[23] = 1<<29; // vol up\r
 506                 currentConfig.KeyBinds[22] = 1<<30; // vol down\r
 507                 currentConfig.gamma = 100;\r
 508                 currentConfig.PicoCDBuffers = 64;\r
 509                 currentConfig.scaling = 0;\r
 510                 strncpy(cfg, PicoConfigFile, 511);\r
 511                 if (config_slot != 0)\r
 512                 {\r
 513                         char *p = strrchr(cfg, '.');\r
 514                         if (p == NULL) p = cfg + strlen(cfg);\r
 515                         sprintf(extbuf, ".%i.pbcfg", config_slot);\r
 516                         strncpy(p, extbuf, 511 - (p - cfg));\r
 517                 }\r
 518                 cfg[511] = 0;\r
 519         } else {\r
 520                 if (config_slot != 0)\r
 521                      sprintf(extbuf, ".%i.pbcfg", config_slot);\r
 522                 else strcpy(extbuf, ".pbcfg");\r
 523                 romfname_ext(cfg, "cfg/", extbuf);\r
 524                 f = fopen(cfg, "rb");\r
 525                 if (!f) romfname_ext(cfg, NULL, ".pbcfg");\r
 526                 else fclose(f);\r
 527         }\r
 528 \r
 529         printf("emu_ReadConfig: %s ", cfg);\r
 530         f = fopen(cfg, "rb");\r
 531         if (f) {\r
 532                 bread = fread(&currentConfig, 1, sizeof(currentConfig), f);\r
 533                 fclose(f);\r
 534         }\r
 535         printf(bread > 0 ? "(ok)\n" : "(failed)\n");\r
 536 \r
 537         PicoOpt = currentConfig.PicoOpt;\r
 538         PsndRate = currentConfig.PsndRate;\r
 539         PicoRegionOverride = currentConfig.PicoRegion;\r
 540         PicoAutoRgnOrder = currentConfig.PicoAutoRgnOrder;\r
 541         PicoCDBuffers = currentConfig.PicoCDBuffers;\r
 542         if (PicoOpt & 0x20) {\r
 543                 actionNames[ 8] = "Z"; actionNames[ 9] = "Y";\r
 544                 actionNames[10] = "X"; actionNames[11] = "MODE";\r
 545         }\r
 546         scaling_update();\r
 547         // some sanity checks\r
 548         if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r
 549         if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;\r
 550         if (currentConfig.volume < 0 || currentConfig.volume > 99) currentConfig.volume = 50;\r
 551         // if volume keys are unbound, bind them to volume control\r
 552         if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {\r
 553                 currentConfig.KeyBinds[23] = 1<<29; // vol up\r
 554                 currentConfig.KeyBinds[22] = 1<<30; // vol down\r
 555         }\r
 556 \r
 557         if (bread > 0) config_slot_current = config_slot;\r
 558         return (bread > 0); // == sizeof(currentConfig));\r
 559 }\r
 560 \r
 561 \r
 562 int emu_WriteConfig(int game)\r
 563 {\r
 564         FILE *f;\r
 565         char cfg[512], extbuf[16];\r
 566         int bwrite = 0;\r
 567 \r
 568         if (!game)\r
 569         {\r
 570                 strncpy(cfg, PicoConfigFile, 511);\r
 571                 if (config_slot != 0)\r
 572                 {\r
 573                         char *p = strrchr(cfg, '.');\r
 574                         if (p == NULL) p = cfg + strlen(cfg);\r
 575                         sprintf(extbuf, ".%i.pbcfg", config_slot);\r
 576                         strncpy(p, extbuf, 511 - (p - cfg));\r
 577                 }\r
 578                 cfg[511] = 0;\r
 579         } else {\r
 580                 if (config_slot != 0)\r
 581                      sprintf(extbuf, ".%i.pbcfg", config_slot);\r
 582                 else strcpy(extbuf, ".pbcfg");\r
 583                 romfname_ext(cfg, "cfg/", extbuf);\r
 584         }\r
 585 \r
 586         printf("emu_WriteConfig: %s ", cfg);\r
 587         f = fopen(cfg, "wb");\r
 588         if (f) {\r
 589                 currentConfig.PicoOpt = PicoOpt;\r
 590                 currentConfig.PsndRate = PsndRate;\r
 591                 currentConfig.PicoRegion = PicoRegionOverride;\r
 592                 currentConfig.PicoAutoRgnOrder = PicoAutoRgnOrder;\r
 593                 currentConfig.PicoCDBuffers = PicoCDBuffers;\r
 594                 bwrite = fwrite(&currentConfig, 1, sizeof(currentConfig), f);\r
 595                 fflush(f);\r
 596                 fclose(f);\r
 597 #ifndef NO_SYNC\r
 598                 sync();\r
 599 #endif\r
 600         }\r
 601         printf((bwrite == sizeof(currentConfig)) ? "(ok)\n" : "(failed)\n");\r
 602 \r
 603         if (bwrite == sizeof(currentConfig)) config_slot_current = config_slot;\r
 604         return (bwrite == sizeof(currentConfig));\r
 605 }\r
 606 \r
 607 \r
 608 void emu_Deinit(void)\r
 609 {\r
 610         // save SRAM\r
 611         if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
 612                 emu_SaveLoadGame(0, 1);\r
 613                 SRam.changed = 0;\r
 614         }\r
 615 \r
 616         if (!(currentConfig.EmuOpt & 0x20)) {\r
 617                 FILE *f = fopen(PicoConfigFile, "r+b");\r
 618                 if (!f) emu_WriteConfig(0);\r
 619                 else {\r
 620                         // if we already have config, reload it, except last ROM\r
 621                         fseek(f, sizeof(currentConfig.lastRomFile), SEEK_SET);\r
 622                         fread(&currentConfig.EmuOpt, 1, sizeof(currentConfig) - sizeof(currentConfig.lastRomFile), f);\r
 623                         fseek(f, 0, SEEK_SET);\r
 624                         fwrite(&currentConfig, 1, sizeof(currentConfig), f);\r
 625                         fflush(f);\r
 626                         fclose(f);\r
 627 #ifndef NO_SYNC\r
 628                         sync();\r
 629 #endif\r
 630                 }\r
 631         }\r
 632 \r
 633         free(framebuff);\r
 634 \r
 635         PicoExit();\r
 636 \r
 637         // restore gamma\r
 638         if (gp2x_old_gamma != 100)\r
 639                 set_gamma(100, 0);\r
 640 }\r
 641 \r
 642 \r
 643 void osd_text(int x, int y, const char *text)\r
 644 {\r
 645         int len = strlen(text)*8;\r
 646 \r
 647         if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
 648                 int *p, i, h;\r
 649                 x &= ~3; // align x\r
 650                 len = (len+3) >> 2;\r
 651                 for (h = 0; h < 8; h++) {\r
 652                         p = (int *) ((unsigned char *) gp2x_screen+x+320*(y+h));\r
 653                         for (i = len; i; i--, p++) *p = 0xe0e0e0e0;\r
 654                 }\r
 655                 gp2x_text_out8_2(x, y, text, 0xf0);\r
 656         } else {\r
 657                 int *p, i, h;\r
 658                 x &= ~1; // align x\r
 659                 len = (len+1) >> 1;\r
 660                 for (h = 0; h < 8; h++) {\r
 661                         p = (int *) ((unsigned short *) gp2x_screen+x+320*(y+h));\r
 662                         for (i = len; i; i--, p++) *p = (*p>>2)&0x39e7;\r
 663                 }\r
 664                 gp2x_text_out15(x, y, text);\r
 665         }\r
 666 }\r
 667 \r
 668 static void cd_leds(void)\r
 669 {\r
 670         // mmu problems?\r
 671 //      static\r
 672         int old_reg;\r
 673 //      if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change\r
 674         old_reg = Pico_mcd->s68k_regs[0];\r
 675 \r
 676         if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
 677                 // 8-bit modes\r
 678                 unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
 679                 unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
 680                 *(unsigned int *)((char *)gp2x_screen + 320*2+ 4) =\r
 681                 *(unsigned int *)((char *)gp2x_screen + 320*3+ 4) =\r
 682                 *(unsigned int *)((char *)gp2x_screen + 320*4+ 4) = col_g;\r
 683                 *(unsigned int *)((char *)gp2x_screen + 320*2+12) =\r
 684                 *(unsigned int *)((char *)gp2x_screen + 320*3+12) =\r
 685                 *(unsigned int *)((char *)gp2x_screen + 320*4+12) = col_r;\r
 686         } else {\r
 687                 // 16-bit modes\r
 688                 unsigned int *p = (unsigned int *)((short *)gp2x_screen + 320*2+4);\r
 689                 unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r
 690                 unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r
 691                 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
 692                 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
 693                 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
 694         }\r
 695 }\r
 696 \r
 697 static int EmuScan16(unsigned int num, void *sdata)\r
 698 {\r
 699         if (!(Pico.video.reg[1]&8)) num += 8;\r
 700         DrawLineDest = (unsigned short *) gp2x_screen + 320*(num+1);\r
 701 \r
 702         return 0;\r
 703 }\r
 704 \r
 705 static int EmuScan8(unsigned int num, void *sdata)\r
 706 {\r
 707         if (!(Pico.video.reg[1]&8)) num += 8;\r
 708         DrawLineDest = (unsigned char *)  gp2x_screen + 320*(num+1);\r
 709 \r
 710         return 0;\r
 711 }\r
 712 \r
 713 int localPal[0x100];\r
 714 static void (*vidCpyM2)(void *dest, void *src) = NULL;\r
 715 \r
 716 static void blit(const char *fps, const char *notice)\r
 717 {\r
 718         int emu_opt = currentConfig.EmuOpt;\r
 719 \r
 720         if (PicoOpt&0x10) {\r
 721                 // 8bit fast renderer\r
 722                 if (Pico.m.dirtyPal) {\r
 723                         Pico.m.dirtyPal = 0;\r
 724                         vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
 725                         // feed new palette to our device\r
 726                         gp2x_video_setpalette(localPal, 0x40);\r
 727                 }\r
 728                 vidCpyM2((unsigned char *)gp2x_screen+320*8, framebuff+328*8);\r
 729         } else if (!(emu_opt&0x80)) {\r
 730                 // 8bit accurate renderer\r
 731                 if (Pico.m.dirtyPal) {\r
 732                         Pico.m.dirtyPal = 0;\r
 733                         if(Pico.video.reg[0xC]&8) { // shadow/hilight mode\r
 734                                 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
 735                                 vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r
 736                                 vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r
 737                                 blockcpy(localPal+0xc0, localPal+0x40, 0x40*4);\r
 738                                 localPal[0xc0] = 0x0000c000;\r
 739                                 localPal[0xd0] = 0x00c00000;\r
 740                                 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
 741                                 localPal[0xf0] = 0x00ffffff;\r
 742                                 gp2x_video_setpalette(localPal, 0x100);\r
 743                         } else if (rendstatus & 0x20) { // mid-frame palette changes\r
 744                                 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
 745                                 vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r
 746                                 vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r
 747                                 gp2x_video_setpalette(localPal, 0xc0);\r
 748                         } else {\r
 749                                 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
 750                                 gp2x_video_setpalette(localPal, 0x40);\r
 751                         }\r
 752                 }\r
 753         }\r
 754 \r
 755         if (notice || (emu_opt & 2)) {\r
 756                 int h = 232;\r
 757                 if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8)) h -= 8;\r
 758                 if (notice) osd_text(4, h, notice);\r
 759                 if (emu_opt & 2)\r
 760                         osd_text(osd_fps_x, h, fps);\r
 761         }\r
 762         if ((emu_opt & 0x400) && (PicoMCD & 1))\r
 763                 cd_leds();\r
 764 \r
 765         //gp2x_video_wait_vsync();\r
 766         gp2x_video_flip();\r
 767 \r
 768         if (!(PicoOpt&0x10)) {\r
 769                 if (!(Pico.video.reg[1]&8)) {\r
 770                         if (currentConfig.EmuOpt&0x80) {\r
 771                                 DrawLineDest = (unsigned short *) gp2x_screen + 320*8;\r
 772                         } else {\r
 773                                 DrawLineDest = (unsigned char  *) gp2x_screen + 320*8;\r
 774                         }\r
 775                 } else {\r
 776                         DrawLineDest = gp2x_screen;\r
 777                 }\r
 778         }\r
 779 }\r
 780 \r
 781 \r
 782 // clears whole screen or just the notice area (in all buffers)\r
 783 static void clearArea(int full)\r
 784 {\r
 785         if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
 786                 // 8-bit renderers\r
 787                 if (full) gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
 788                 else      gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
 789         } else {\r
 790                 // 16bit accurate renderer\r
 791                 if (full) gp2x_memset_all_buffers(0, 0, 320*240*2);\r
 792                 else      gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
 793         }\r
 794 }\r
 795 \r
 796 \r
 797 static void vidResetMode(void)\r
 798 {\r
 799         if (PicoOpt&0x10) {\r
 800                 gp2x_video_changemode(8);\r
 801         } else if (currentConfig.EmuOpt&0x80) {\r
 802                 gp2x_video_changemode(15);\r
 803                 PicoDrawSetColorFormat(1);\r
 804                 PicoScan = EmuScan16;\r
 805                 PicoScan(0, 0);\r
 806         } else {\r
 807                 gp2x_video_changemode(8);\r
 808                 PicoDrawSetColorFormat(2);\r
 809                 PicoScan = EmuScan8;\r
 810                 PicoScan(0, 0);\r
 811         }\r
 812         if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
 813                 // setup pal for 8-bit modes\r
 814                 localPal[0xc0] = 0x0000c000; // MCD LEDs\r
 815                 localPal[0xd0] = 0x00c00000;\r
 816                 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
 817                 localPal[0xf0] = 0x00ffffff;\r
 818                 gp2x_video_setpalette(localPal, 0x100);\r
 819                 gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
 820                 gp2x_video_flip();\r
 821         }\r
 822         Pico.m.dirtyPal = 1;\r
 823         // reset scaling\r
 824         if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8))\r
 825              gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);\r
 826         else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r
 827 }\r
 828 \r
 829 \r
 830 static void emu_msg_cb(const char *msg)\r
 831 {\r
 832         if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
 833                 // 8-bit renderers\r
 834                 gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
 835                 osd_text(4, 232, msg);\r
 836                 gp2x_memcpy_all_buffers((char *)gp2x_screen+320*232, 320*232, 320*8);\r
 837         } else {\r
 838                 // 16bit accurate renderer\r
 839                 gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
 840                 osd_text(4, 232, msg);\r
 841                 gp2x_memcpy_all_buffers((char *)gp2x_screen+320*232*2, 320*232*2, 320*8*2);\r
 842         }\r
 843         gettimeofday(&noticeMsgTime, 0);\r
 844         noticeMsgTime.tv_sec -= 2;\r
 845 \r
 846         /* assumption: emu_msg_cb gets called only when something slow is about to happen */\r
 847         reset_timing = 1;\r
 848 }\r
 849 \r
 850 static void emu_state_cb(const char *str)\r
 851 {\r
 852         clearArea(0);\r
 853         blit("", str);\r
 854 }\r
 855 \r
 856 static void emu_msg_tray_open(void)\r
 857 {\r
 858         strcpy(noticeMsg, "CD tray opened");\r
 859         gettimeofday(&noticeMsgTime, 0);\r
 860 }\r
 861 \r
 862 static void RunEvents(unsigned int which)\r
 863 {\r
 864         if(which & 0x1800) { // save or load (but not both)\r
 865                 int do_it = 1;\r
 866                 if ( emu_check_save_file(state_slot) &&\r
 867                                 (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) ||   // load\r
 868                                  (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) { // save\r
 869                         unsigned long keys;\r
 870                         blit("", (which & 0x1000) ? "LOAD STATE? (Y=yes, X=no)" : "OVERWRITE SAVE? (Y=yes, X=no)");\r
 871                         while( !((keys = gp2x_joystick_read(1)) & (GP2X_X|GP2X_Y)) )\r
 872                                 usleep(50*1024);\r
 873                         if (keys & GP2X_X) do_it = 0;\r
 874                         clearArea(0);\r
 875                 }\r
 876                 if (do_it) {\r
 877                         osd_text(4, 232, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");\r
 878                         PicoStateProgressCB = emu_state_cb;\r
 879                         gp2x_memcpy_all_buffers(gp2x_screen, 0, 320*240*2);\r
 880                         emu_SaveLoadGame((which & 0x1000) >> 12, 0);\r
 881                         PicoStateProgressCB = NULL;\r
 882                 }\r
 883 \r
 884                 reset_timing = 1;\r
 885         }\r
 886         if(which & 0x0400) { // switch renderer\r
 887                 if      (  PicoOpt&0x10)             { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }\r
 888                 else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10;\r
 889                 else   currentConfig.EmuOpt &= ~0x80;\r
 890 \r
 891                 vidResetMode();\r
 892 \r
 893                 if (PicoOpt&0x10) {\r
 894                         strcpy(noticeMsg, " 8bit fast renderer");\r
 895                 } else if (currentConfig.EmuOpt&0x80) {\r
 896                         strcpy(noticeMsg, "16bit accurate renderer");\r
 897                 } else {\r
 898                         strcpy(noticeMsg, " 8bit accurate renderer");\r
 899                 }\r
 900 \r
 901                 gettimeofday(&noticeMsgTime, 0);\r
 902         }\r
 903         if(which & 0x0300) {\r
 904                 if(which&0x0200) {\r
 905                         state_slot -= 1;\r
 906                         if(state_slot < 0) state_slot = 9;\r
 907                 } else {\r
 908                         state_slot += 1;\r
 909                         if(state_slot > 9) state_slot = 0;\r
 910                 }\r
 911                 sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_check_save_file(state_slot) ? "USED" : "FREE");\r
 912                 gettimeofday(&noticeMsgTime, 0);\r
 913         }\r
 914         if(which & 0x0080) {\r
 915                 engineState = PGS_Menu;\r
 916         }\r
 917 }\r
 918 \r
 919 \r
 920 static void updateMovie(void)\r
 921 {\r
 922         int offs = Pico.m.frame_count*3 + 0x40;\r
 923         if (offs+3 > movie_size) {\r
 924                 free(movie_data);\r
 925                 movie_data = 0;\r
 926                 strcpy(noticeMsg, "END OF MOVIE.");\r
 927                 printf("END OF MOVIE.\n");\r
 928                 gettimeofday(&noticeMsgTime, 0);\r
 929         } else {\r
 930                 // MXYZ SACB RLDU\r
 931                 PicoPad[0] = ~movie_data[offs]   & 0x8f; // ! SCBA RLDU\r
 932                 if(!(movie_data[offs]   & 0x10)) PicoPad[0] |= 0x40; // A\r
 933                 if(!(movie_data[offs]   & 0x20)) PicoPad[0] |= 0x10; // B\r
 934                 if(!(movie_data[offs]   & 0x40)) PicoPad[0] |= 0x20; // A\r
 935                 PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r
 936                 if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A\r
 937                 if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B\r
 938                 if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A\r
 939                 PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r
 940                 if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r
 941                 if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r
 942                 PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r
 943                 if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r
 944                 if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r
 945         }\r
 946 }\r
 947 \r
 948 \r
 949 static void updateKeys(void)\r
 950 {\r
 951         unsigned long keys, allActions[2] = { 0, 0 }, events;\r
 952         static unsigned long prevEvents = 0;\r
 953         int joy, i;\r
 954 \r
 955         keys = gp2x_joystick_read(0);\r
 956         if (keys & GP2X_SELECT) {\r
 957                 engineState = select_exits ? PGS_Quit : PGS_Menu;\r
 958                 // wait until select is released, so menu would not resume game\r
 959                 while (gp2x_joystick_read(1) & GP2X_SELECT) usleep(50*1000);\r
 960         }\r
 961 \r
 962         keys &= CONFIGURABLE_KEYS;\r
 963 \r
 964         for (i = 0; i < 32; i++)\r
 965         {\r
 966                 if (keys & (1 << i)) {\r
 967                         int pl, acts = currentConfig.KeyBinds[i];\r
 968                         if (!acts) continue;\r
 969                         pl = (acts >> 16) & 1;\r
 970                         if (combo_keys & (1 << i)) {\r
 971                                 int u = i+1, acts_c = acts & combo_acts;\r
 972                                 // let's try to find the other one\r
 973                                 if (acts_c)\r
 974                                         for (; u < 32; u++)\r
 975                                                 if ( (currentConfig.KeyBinds[u] & acts_c) && (keys & (1 << u)) ) {\r
 976                                                         allActions[pl] |= acts_c;\r
 977                                                         keys &= ~((1 << i) | (1 << u));\r
 978                                                         break;\r
 979                                                 }\r
 980                                 // add non-combo actions if combo ones were not found\r
 981                                 if (!acts_c || u == 32)\r
 982                                         allActions[pl] |= acts & ~combo_acts;\r
 983                         } else {\r
 984                                 allActions[pl] |= acts;\r
 985                         }\r
 986                 }\r
 987         }\r
 988 \r
 989         // add joy inputs\r
 990         if (num_of_joys > 0)\r
 991         {\r
 992                 gp2x_usbjoy_update();\r
 993                 for (joy = 0; joy < num_of_joys; joy++) {\r
 994                         int keys = gp2x_usbjoy_check2(joy);\r
 995                         for (i = 0; i < 32; i++) {\r
 996                                 if (keys & (1 << i)) {\r
 997                                         int acts = currentConfig.JoyBinds[joy][i];\r
 998                                         int pl = (acts >> 16) & 1;\r
 999                                         allActions[pl] |= acts;\r
1000                                 }\r
1001                         }\r
1002                 }\r
1003         }\r
1004 \r
1005         PicoPad[0] = (unsigned short) allActions[0];\r
1006         PicoPad[1] = (unsigned short) allActions[1];\r
1007 \r
1008         events = (allActions[0] | allActions[1]) >> 16;\r
1009 \r
1010         // volume is treated in special way and triggered every frame\r
1011         if(events & 0x6000) {\r
1012                 int vol = currentConfig.volume;\r
1013                 if (events & 0x2000) {\r
1014                         if (vol < 99) vol++;\r
1015                 } else {\r
1016                         if (vol >  0) vol--;\r
1017                 }\r
1018                 gp2x_sound_volume(vol, vol);\r
1019                 sprintf(noticeMsg, "VOL: %02i", vol);\r
1020                 gettimeofday(&noticeMsgTime, 0);\r
1021                 currentConfig.volume = vol;\r
1022         }\r
1023 \r
1024         events &= ~prevEvents;\r
1025         if (events) RunEvents(events);\r
1026         if (movie_data) updateMovie();\r
1027 \r
1028         prevEvents = (allActions[0] | allActions[1]) >> 16;\r
1029 }\r
1030 \r
1031 \r
1032 static void updateSound(int len)\r
1033 {\r
1034         if (PicoOpt&8) len<<=1;\r
1035 \r
1036         /* avoid writing audio when lagging behind to prevent audio lag */\r
1037         if (PicoSkipFrame != 2)\r
1038                 gp2x_sound_write(PsndOut, len<<1);\r
1039 }\r
1040 \r
1041 \r
1042 static void SkipFrame(int do_audio)\r
1043 {\r
1044         PicoSkipFrame=do_audio ? 1 : 2;\r
1045         PicoFrame();\r
1046         PicoSkipFrame=0;\r
1047 }\r
1048 \r
1049 \r
1050 void emu_forced_frame(void)\r
1051 {\r
1052         int po_old = PicoOpt;\r
1053 \r
1054         PicoOpt |= 0x10;\r
1055         PicoFrameFull();\r
1056 \r
1057         if (!(Pico.video.reg[12]&1)) {\r
1058                 vidCpyM2 = vidCpyM2_32col;\r
1059                 clearArea(1);\r
1060         } else  vidCpyM2 = vidCpyM2_40col;\r
1061 \r
1062         vidCpyM2((unsigned char *)gp2x_screen+320*8, framebuff+328*8);\r
1063         vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
1064         gp2x_video_setpalette(localPal, 0x40);\r
1065 \r
1066         PicoOpt = po_old;\r
1067 }\r
1068 \r
1069 static void simpleWait(int thissec, int lim_time)\r
1070 {\r
1071         struct timeval tval;\r
1072 \r
1073         spend_cycles(1024);\r
1074         gettimeofday(&tval, 0);\r
1075         if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
1076 \r
1077         while(tval.tv_usec < lim_time)\r
1078         {\r
1079                 spend_cycles(1024);\r
1080                 gettimeofday(&tval, 0);\r
1081                 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
1082         }\r
1083 }\r
1084 \r
1085 \r
1086 void emu_Loop(void)\r
1087 {\r
1088         static int gp2x_old_clock = 200;\r
1089         static int PsndRate_old = 0, PicoOpt_old = 0, EmuOpt_old = 0, PsndLen_real = 0, pal_old = 0;\r
1090         char fpsbuff[24]; // fps count c string\r
1091         struct timeval tval; // timing\r
1092         int thissec = 0, frames_done = 0, frames_shown = 0, oldmodes = 0;\r
1093         int target_fps, target_frametime, lim_time, vsync_offset, i;\r
1094         char *notice = 0;\r
1095 \r
1096         printf("entered emu_Loop()\n");\r
1097 \r
1098         if (gp2x_old_clock != currentConfig.CPUclock) {\r
1099                 printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);\r
1100                 set_FCLK(currentConfig.CPUclock);\r
1101                 gp2x_old_clock = currentConfig.CPUclock;\r
1102                 printf(" done\n");\r
1103         }\r
1104 \r
1105         if (gp2x_old_gamma != currentConfig.gamma || (EmuOpt_old&0x1000) != (currentConfig.EmuOpt&0x1000)) {\r
1106                 set_gamma(currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
1107                 gp2x_old_gamma = currentConfig.gamma;\r
1108                 printf("updated gamma to %i, A_SN's curve: %i\n", currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
1109         }\r
1110 \r
1111         if ((EmuOpt_old&0x2000) != (currentConfig.EmuOpt&0x2000)) {\r
1112                 if (currentConfig.EmuOpt&0x2000)\r
1113                      set_LCD_custom_rate(Pico.m.pal ? LCDR_100 : LCDR_120);\r
1114                 else unset_LCD_custom_rate();\r
1115         }\r
1116 \r
1117         EmuOpt_old = currentConfig.EmuOpt;\r
1118         fpsbuff[0] = 0;\r
1119 \r
1120         // make sure we are in correct mode\r
1121         vidResetMode();\r
1122         Pico.m.dirtyPal = 1;\r
1123         oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r
1124         find_combos();\r
1125 \r
1126         // pal/ntsc might have changed, reset related stuff\r
1127         target_fps = Pico.m.pal ? 50 : 60;\r
1128         target_frametime = 1000000/target_fps;\r
1129         reset_timing = 1;\r
1130 \r
1131         // prepare sound stuff\r
1132         if(currentConfig.EmuOpt & 4) {\r
1133                 int snd_excess_add;\r
1134                 if(PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old || crashed_940) {\r
1135                         /* if 940 is turned off, we need it to be put back to sleep */\r
1136                         if (!(PicoOpt&0x200) && ((PicoOpt^PicoOpt_old)&0x200)) {\r
1137                                 Reset940(1, 2);\r
1138                                 Pause940(1);\r
1139                         }\r
1140                         sound_rerate(1);\r
1141                 }\r
1142                 //excess_samples = PsndRate - PsndLen*target_fps;\r
1143                 snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r
1144                 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
1145                 gp2x_start_sound(PsndRate, 16, (PicoOpt&8)>>3);\r
1146                 gp2x_sound_volume(currentConfig.volume, currentConfig.volume);\r
1147                 PicoWriteSound = updateSound;\r
1148                 memset(sndBuffer, 0, sizeof(sndBuffer));\r
1149                 PsndOut = sndBuffer;\r
1150                 PsndRate_old = PsndRate;\r
1151                 PsndLen_real = PsndLen;\r
1152                 PicoOpt_old  = PicoOpt;\r
1153                 pal_old = Pico.m.pal;\r
1154         } else {\r
1155                 PsndOut = 0;\r
1156         }\r
1157 \r
1158         // prepare CD buffer\r
1159         if (PicoMCD & 1) PicoCDBufferInit();\r
1160 \r
1161         // calc vsync offset to sync timing code with vsync\r
1162         if (currentConfig.EmuOpt&0x2000) {\r
1163                 gettimeofday(&tval, 0);\r
1164                 gp2x_video_wait_vsync();\r
1165                 gettimeofday(&tval, 0);\r
1166                 vsync_offset = tval.tv_usec;\r
1167                 while (vsync_offset >= target_frametime)\r
1168                         vsync_offset -= target_frametime;\r
1169                 if (!vsync_offset) vsync_offset++;\r
1170                 printf("vsync_offset: %i\n", vsync_offset);\r
1171         } else\r
1172                 vsync_offset = 0;\r
1173 \r
1174         // loop?\r
1175         while (engineState == PGS_Running)\r
1176         {\r
1177                 int modes;\r
1178 \r
1179                 gettimeofday(&tval, 0);\r
1180                 if(reset_timing) {\r
1181                         reset_timing = 0;\r
1182                         thissec = tval.tv_sec;\r
1183                         frames_shown = frames_done = tval.tv_usec/target_frametime;\r
1184                 }\r
1185 \r
1186                 // show notice message?\r
1187                 if(noticeMsgTime.tv_sec) {\r
1188                         static int noticeMsgSum;\r
1189                         if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r
1190                                 noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r
1191                                 clearArea(0);\r
1192                                 notice = 0;\r
1193                         } else {\r
1194                                 int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r
1195                                 if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r
1196                                 notice = noticeMsg;\r
1197                         }\r
1198                 }\r
1199 \r
1200                 // check for mode changes\r
1201                 modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r
1202                 if (modes != oldmodes) {\r
1203                         int scalex = 320;\r
1204                         osd_fps_x = OSD_FPS_X;\r
1205                         if (modes & 4) {\r
1206                                 vidCpyM2 = vidCpyM2_40col;\r
1207                         } else {\r
1208                                 if (PicoOpt & 0x100) {\r
1209                                         vidCpyM2 = vidCpyM2_32col_nobord;\r
1210                                         scalex = 256;\r
1211                                         osd_fps_x = OSD_FPS_X - 64;\r
1212                                 } else {\r
1213                                         vidCpyM2 = vidCpyM2_32col;\r
1214                                 }\r
1215                         }\r
1216                         if (currentConfig.scaling == 2 && !(modes&8)) // want vertical scaling and game is not in 240 line mode\r
1217                              gp2x_video_RGB_setscaling(8, scalex, 224);\r
1218                         else gp2x_video_RGB_setscaling(0, scalex, 240);\r
1219                         oldmodes = modes;\r
1220                         clearArea(1);\r
1221                 }\r
1222 \r
1223                 // second changed?\r
1224                 if(thissec != tval.tv_sec) {\r
1225 #ifdef BENCHMARK\r
1226                         static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r
1227                         if(++bench == 10) {\r
1228                                 bench = 0;\r
1229                                 bench_fps_s = bench_fps;\r
1230                                 bf[bfp++ & 3] = bench_fps;\r
1231                                 bench_fps = 0;\r
1232                         }\r
1233                         bench_fps += frames_shown;\r
1234                         sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r
1235 #else\r
1236                         if(currentConfig.EmuOpt & 2)\r
1237                                 sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r
1238 #endif\r
1239                         thissec = tval.tv_sec;\r
1240 \r
1241                         if(PsndOut == 0 && currentConfig.Frameskip >= 0) {\r
1242                                 frames_done = frames_shown = 0;\r
1243                         } else {\r
1244                                 // it is quite common for this implementation to leave 1 fame unfinished\r
1245                                 // when second changes, but we don't want buffer to starve.\r
1246                                 if(PsndOut && frames_done < target_fps && frames_done > target_fps-5) {\r
1247                                         updateKeys();\r
1248                                         SkipFrame(1); frames_done++;\r
1249                                 }\r
1250 \r
1251                                 frames_done  -= target_fps; if (frames_done  < 0) frames_done  = 0;\r
1252                                 frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0;\r
1253                                 if (frames_shown > frames_done) frames_shown = frames_done;\r
1254                         }\r
1255                 }\r
1256 \r
1257                 lim_time = (frames_done+1) * target_frametime + vsync_offset;\r
1258                 if(currentConfig.Frameskip >= 0) { // frameskip enabled\r
1259                         for(i = 0; i < currentConfig.Frameskip; i++) {\r
1260                                 updateKeys();\r
1261                                 SkipFrame(1); frames_done++;\r
1262                                 if (PsndOut) { // do framelimitting if sound is enabled\r
1263                                         gettimeofday(&tval, 0);\r
1264                                         if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
1265                                         if(tval.tv_usec < lim_time) { // we are too fast\r
1266                                                 simpleWait(thissec, lim_time);\r
1267                                         }\r
1268                                 }\r
1269                                 lim_time += target_frametime;\r
1270                         }\r
1271                 } else if(tval.tv_usec > lim_time) { // auto frameskip\r
1272                         // no time left for this frame - skip\r
1273                         if (tval.tv_usec - lim_time >= 0x300000) {\r
1274                                 /* something caused a slowdown for us (disk access? cache flush?)\r
1275                                  * try to recover by resetting timing... */\r
1276                                 reset_timing = 1;\r
1277                                 continue;\r
1278                         }\r
1279                         updateKeys();\r
1280                         SkipFrame(tval.tv_usec < lim_time+target_frametime*2); frames_done++;\r
1281                         continue;\r
1282                 }\r
1283 \r
1284                 updateKeys();\r
1285                 PicoFrame();\r
1286 \r
1287 #if 0\r
1288 if (Pico.m.frame_count == 31563) {\r
1289         FILE *f;\r
1290         f = fopen("ram_p.bin", "wb");\r
1291         if (!f) { printf("!f\n"); exit(1); }\r
1292         fwrite(Pico.ram, 1, 0x10000, f);\r
1293         fclose(f);\r
1294         exit(0);\r
1295 }\r
1296 #endif\r
1297 #if 0\r
1298                 // debug\r
1299                 {\r
1300                         #define BYTE unsigned char\r
1301                         #define WORD unsigned short\r
1302                         struct\r
1303                         {\r
1304                                 BYTE IDLength;        /* 00h  Size of Image ID field */\r
1305                                 BYTE ColorMapType;    /* 01h  Color map type */\r
1306                                 BYTE ImageType;       /* 02h  Image type code */\r
1307                                 WORD CMapStart;       /* 03h  Color map origin */\r
1308                                 WORD CMapLength;      /* 05h  Color map length */\r
1309                                 BYTE CMapDepth;       /* 07h  Depth of color map entries */\r
1310                                 WORD XOffset;         /* 08h  X origin of image */\r
1311                                 WORD YOffset;         /* 0Ah  Y origin of image */\r
1312                                 WORD Width;           /* 0Ch  Width of image */\r
1313                                 WORD Height;          /* 0Eh  Height of image */\r
1314                                 BYTE PixelDepth;      /* 10h  Image pixel size */\r
1315                                 BYTE ImageDescriptor; /* 11h  Image descriptor byte */\r
1316                         } __attribute__((packed)) TGAHEAD;\r
1317                         static unsigned short oldscr[320*240];\r
1318                         FILE *f; char name[128]; int i;\r
1319 \r
1320                         memset(&TGAHEAD, 0, sizeof(TGAHEAD));\r
1321                         TGAHEAD.ImageType = 2;\r
1322                         TGAHEAD.Width = 320;\r
1323                         TGAHEAD.Height = 240;\r
1324                         TGAHEAD.PixelDepth = 16;\r
1325                         TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left\r
1326 \r
1327                         #define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?\r
1328 \r
1329                         for (i = 0; i < 320*240; i++)\r
1330                                 if(oldscr[i] != CONV(((unsigned short *)gp2x_screen)[i])) break;\r
1331                         if (i < 320*240)\r
1332                         {\r
1333                                 for (i = 0; i < 320*240; i++)\r
1334                                         oldscr[i] = CONV(((unsigned short *)gp2x_screen)[i]);\r
1335                                 sprintf(name, "%05i.tga", Pico.m.frame_count);\r
1336                                 f = fopen(name, "wb");\r
1337                                 if (!f) { printf("!f\n"); exit(1); }\r
1338                                 fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);\r
1339                                 fwrite(oldscr, 1, 320*240*2, f);\r
1340                                 fclose(f);\r
1341                         }\r
1342                 }\r
1343 #endif\r
1344 \r
1345                 // check time\r
1346                 gettimeofday(&tval, 0);\r
1347                 if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
1348 \r
1349                 if (currentConfig.Frameskip < 0 && tval.tv_usec - lim_time >= 0x300000) // slowdown detection\r
1350                         reset_timing = 1;\r
1351                 else if (PsndOut != NULL || currentConfig.Frameskip < 0)\r
1352                 {\r
1353                         // sleep or vsync if we are still too fast\r
1354                         // usleep sleeps for ~20ms minimum, so it is not a solution here\r
1355                         if(tval.tv_usec < lim_time)\r
1356                         {\r
1357                                 // we are too fast\r
1358                                 if (vsync_offset) {\r
1359                                         if (lim_time - tval.tv_usec > target_frametime/2)\r
1360                                                 simpleWait(thissec, lim_time - target_frametime/4);\r
1361                                         gp2x_video_wait_vsync();\r
1362                                 } else {\r
1363                                         simpleWait(thissec, lim_time);\r
1364                                 }\r
1365                         }\r
1366                 }\r
1367 \r
1368                 blit(fpsbuff, notice);\r
1369 \r
1370                 frames_done++; frames_shown++;\r
1371         }\r
1372 \r
1373 \r
1374         if (PicoMCD & 1) PicoCDBufferFree();\r
1375 \r
1376         // save SRAM\r
1377         if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
1378                 emu_state_cb("Writing SRAM/BRAM..");\r
1379                 emu_SaveLoadGame(0, 1);\r
1380                 SRam.changed = 0;\r
1381         }\r
1382 \r
1383         // if in 16bit mode, generate 8it image for menu background\r
1384         if (!(PicoOpt&0x10) && (currentConfig.EmuOpt&0x80))\r
1385                 emu_forced_frame();\r
1386 \r
1387         // for menu bg\r
1388         gp2x_memcpy_buffers((1<<2), gp2x_screen, 0, 320*240*2);\r
1389 }\r
1390 \r
1391 \r
1392 void emu_ResetGame(void)\r
1393 {\r
1394         PicoReset(0);\r
1395         reset_timing = 1;\r
1396 }\r
1397 \r
1398 \r
1399 size_t gzRead2(void *p, size_t _size, size_t _n, void *file)\r
1400 {\r
1401         return gzread(file, p, _n);\r
1402 }\r
1403 \r
1404 \r
1405 size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)\r
1406 {\r
1407         return gzwrite(file, p, _n);\r
1408 }\r
1409 \r
1410 static int try_ropen_file(const char *fname)\r
1411 {\r
1412         FILE *f;\r
1413 \r
1414         f = fopen(fname, "rb");\r
1415         if (f) {\r
1416                 fclose(f);\r
1417                 return 1;\r
1418         }\r
1419         return 0;\r
1420 }\r
1421 \r
1422 char *emu_GetSaveFName(int load, int is_sram, int slot)\r
1423 {\r
1424         static char saveFname[512];\r
1425         char ext[16];\r
1426 \r
1427         if (is_sram)\r
1428         {\r
1429                 romfname_ext(saveFname, (PicoMCD&1) ? "brm/" : "srm/", (PicoMCD&1) ? ".brm" : ".srm");\r
1430                 if (load) {\r
1431                         if (try_ropen_file(saveFname)) return saveFname;\r
1432                         // try in current dir..\r
1433                         romfname_ext(saveFname, NULL, (PicoMCD&1) ? ".brm" : ".srm");\r
1434                         if (try_ropen_file(saveFname)) return saveFname;\r
1435                         return NULL; // give up\r
1436                 }\r
1437         }\r
1438         else\r
1439         {\r
1440                 ext[0] = 0;\r
1441                 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
1442                 strcat(ext, (currentConfig.EmuOpt & 8) ? ".mds.gz" : ".mds");\r
1443 \r
1444                 romfname_ext(saveFname, "mds/", ext);\r
1445                 if (load) {\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                         if (currentConfig.EmuOpt & 8) {\r
1450                                 ext[0] = 0;\r
1451                                 if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot);\r
1452                                 strcat(ext, ".mds");\r
1453 \r
1454                                 romfname_ext(saveFname, "mds/", ext);\r
1455                                 if (try_ropen_file(saveFname)) return saveFname;\r
1456                                 romfname_ext(saveFname, NULL, ext);\r
1457                                 if (try_ropen_file(saveFname)) return saveFname;\r
1458                         }\r
1459                         return NULL;\r
1460                 }\r
1461         }\r
1462 \r
1463         return saveFname;\r
1464 }\r
1465 \r
1466 int emu_check_save_file(int slot)\r
1467 {\r
1468         return emu_GetSaveFName(1, 0, slot) ? 1 : 0;\r
1469 }\r
1470 \r
1471 void emu_set_save_cbs(int gz)\r
1472 {\r
1473         if (gz) {\r
1474                 areaRead  = gzRead2;\r
1475                 areaWrite = gzWrite2;\r
1476                 areaEof   = (areaeof *) gzeof;\r
1477                 areaSeek  = (areaseek *) gzseek;\r
1478                 areaClose = (areaclose *) gzclose;\r
1479         } else {\r
1480                 areaRead  = (arearw *) fread;\r
1481                 areaWrite = (arearw *) fwrite;\r
1482                 areaEof   = (areaeof *) feof;\r
1483                 areaSeek  = (areaseek *) fseek;\r
1484                 areaClose = (areaclose *) fclose;\r
1485         }\r
1486 }\r
1487 \r
1488 int emu_SaveLoadGame(int load, int sram)\r
1489 {\r
1490         int ret = 0;\r
1491         char *saveFname;\r
1492 \r
1493         // make save filename\r
1494         saveFname = emu_GetSaveFName(load, sram, state_slot);\r
1495         if (saveFname == NULL) {\r
1496                 if (!sram) {\r
1497                         strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED  ");\r
1498                         gettimeofday(&noticeMsgTime, 0);\r
1499                 }\r
1500                 return -1;\r
1501         }\r
1502 \r
1503         printf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r
1504 \r
1505         if(sram) {\r
1506                 FILE *sramFile;\r
1507                 int sram_size;\r
1508                 unsigned char *sram_data;\r
1509                 int truncate = 1;\r
1510                 if (PicoMCD&1) {\r
1511                         if (PicoOpt&0x8000) { // MCD RAM cart?\r
1512                                 sram_size = 0x12000;\r
1513                                 sram_data = SRam.data;\r
1514                                 if (sram_data)\r
1515                                         memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4);\r
1516                         } else {\r
1517                                 sram_size = 0x2000;\r
1518                                 sram_data = Pico_mcd->bram;\r
1519                                 truncate  = 0; // the .brm may contain RAM cart data after normal brm\r
1520                         }\r
1521                 } else {\r
1522                         sram_size = SRam.end-SRam.start+1;\r
1523                         if(SRam.reg_back & 4) sram_size=0x2000;\r
1524                         sram_data = SRam.data;\r
1525                 }\r
1526                 if (!sram_data) return 0; // SRam forcefully disabled for this game\r
1527 \r
1528                 if (load) {\r
1529                         sramFile = fopen(saveFname, "rb");\r
1530                         if(!sramFile) return -1;\r
1531                         fread(sram_data, 1, sram_size, sramFile);\r
1532                         fclose(sramFile);\r
1533                         if ((PicoMCD&1) && (PicoOpt&0x8000))\r
1534                                 memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4);\r
1535                 } else {\r
1536                         // sram save needs some special processing\r
1537                         // see if we have anything to save\r
1538                         for (; sram_size > 0; sram_size--)\r
1539                                 if (sram_data[sram_size-1]) break;\r
1540 \r
1541                         if (sram_size) {\r
1542                                 sramFile = fopen(saveFname, truncate ? "wb" : "r+b");\r
1543                                 if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry\r
1544                                 if (!sramFile) return -1;\r
1545                                 ret = fwrite(sram_data, 1, sram_size, sramFile);\r
1546                                 ret = (ret != sram_size) ? -1 : 0;\r
1547                                 fclose(sramFile);\r
1548 #ifndef NO_SYNC\r
1549                                 sync();\r
1550 #endif\r
1551                         }\r
1552                 }\r
1553                 return ret;\r
1554         }\r
1555         else\r
1556         {\r
1557                 void *PmovFile = NULL;\r
1558                 if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0) {\r
1559                         if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {\r
1560                                 emu_set_save_cbs(1);\r
1561                                 if(!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);\r
1562                         }\r
1563                 }\r
1564                 else\r
1565                 {\r
1566                         if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {\r
1567                                 emu_set_save_cbs(0);\r
1568                         }\r
1569                 }\r
1570                 if(PmovFile) {\r
1571                         ret = PmovState(load ? 6 : 5, PmovFile);\r
1572                         areaClose(PmovFile);\r
1573                         PmovFile = 0;\r
1574                         if (load) Pico.m.dirtyPal=1;\r
1575 #ifndef NO_SYNC\r
1576                         else sync();\r
1577 #endif\r
1578                 }\r
1579                 else    ret = -1;\r
1580                 if (!ret)\r
1581                         strcpy(noticeMsg, load ? "GAME LOADED  " : "GAME SAVED   ");\r
1582                 else\r
1583                 {\r
1584                         strcpy(noticeMsg, load ? "LOAD FAILED  " : "SAVE FAILED  ");\r
1585                         ret = -1;\r
1586                 }\r
1587 \r
1588                 gettimeofday(&noticeMsgTime, 0);\r
1589                 return ret;\r
1590         }\r
1591 }\r