// (c) Copyright 2006-2007 notaz, All rights reserved. // Free for non-commercial use. // For commercial use, separate licencing terms must be obtained. #include #include #include // tolower #ifndef NO_SYNC #include #endif #include "emu.h" #include "menu.h" #include "fonts.h" #include "lprintf.h" #include "config.h" #include "common.h" #include #include #include #include char *PicoConfigFile = "config.cfg"; currentConfig_t currentConfig, defaultConfig; int rom_loaded = 0; char noticeMsg[64] = { 0, }; int state_slot = 0; int config_slot = 0, config_slot_current = 0; char loadedRomFName[512] = { 0, }; int kb_combo_keys = 0, kb_combo_acts = 0; // keys and actions which need button combos int pico_inp_mode = 0; unsigned char *movie_data = NULL; static int movie_size = 0; // provided by platform code: extern void emu_noticeMsgUpdated(void); extern int emu_getMainDir(char *dst, int len); extern void menu_romload_prepare(const char *rom_name); extern void menu_romload_end(void); // utilities static void strlwr_(char* string) { while ( (*string++ = (char)tolower(*string)) ); } static int try_rfn_cut(char *fname) { FILE *tmp; char *p; p = fname + strlen(fname) - 1; for (; p > fname; p--) if (*p == '.') break; *p = 0; if((tmp = fopen(fname, "rb"))) { fclose(tmp); return 1; } return 0; } static void get_ext(char *file, char *ext) { char *p; p = file + strlen(file) - 4; if (p < file) p = file; strncpy(ext, p, 4); ext[4] = 0; strlwr_(ext); } char *biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" }; char *biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" }; char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" }; int emu_findBios(int region, char **bios_file) { static char bios_path[1024]; int i, count; char **files; FILE *f = NULL; if (region == 4) { // US files = biosfiles_us; count = sizeof(biosfiles_us) / sizeof(char *); } else if (region == 8) { // EU files = biosfiles_eu; count = sizeof(biosfiles_eu) / sizeof(char *); } else if (region == 1 || region == 2) { files = biosfiles_jp; count = sizeof(biosfiles_jp) / sizeof(char *); } else { return 0; } for (i = 0; i < count; i++) { emu_getMainDir(bios_path, sizeof(bios_path)); strcat(bios_path, files[i]); strcat(bios_path, ".bin"); f = fopen(bios_path, "rb"); if (f) break; bios_path[strlen(bios_path) - 4] = 0; strcat(bios_path, ".zip"); f = fopen(bios_path, "rb"); if (f) break; } if (f) { lprintf("using bios: %s\n", bios_path); fclose(f); if (bios_file) *bios_file = bios_path; return 1; } else { sprintf(menuErrorMsg, "no %s BIOS files found, read docs", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA"); lprintf("%s\n", menuErrorMsg); return 0; } } /* check if the name begins with BIOS name */ /* static int emu_isBios(const char *name) { int i; for (i = 0; i < sizeof(biosfiles_us)/sizeof(biosfiles_us[0]); i++) if (strstr(name, biosfiles_us[i]) != NULL) return 1; for (i = 0; i < sizeof(biosfiles_eu)/sizeof(biosfiles_eu[0]); i++) if (strstr(name, biosfiles_eu[i]) != NULL) return 1; for (i = 0; i < sizeof(biosfiles_jp)/sizeof(biosfiles_jp[0]); i++) if (strstr(name, biosfiles_jp[i]) != NULL) return 1; return 0; } */ static unsigned char id_header[0x100]; /* checks if fname points to valid MegaCD image * if so, checks for suitable BIOS */ int emu_cdCheck(int *pregion, char *fname_in) { unsigned char buf[32]; pm_file *cd_f; int region = 4; // 1: Japan, 4: US, 8: Europe char ext[5], *fname = fname_in; cue_track_type type = CT_UNKNOWN; cue_data_t *cue_data = NULL; get_ext(fname_in, ext); if (strcasecmp(ext, ".cue") == 0) { cue_data = cue_parse(fname_in); if (cue_data != NULL) { fname = cue_data->tracks[1].fname; type = cue_data->tracks[1].type; } else return -1; } cd_f = pm_open(fname); if (cue_data != NULL) cue_destroy(cue_data); if (cd_f == NULL) return 0; // let the upper level handle this if (pm_read(buf, 32, cd_f) != 32) { pm_close(cd_f); return -1; } if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) { if (type && type != CT_ISO) elprintf(EL_STATUS, ".cue has wrong type: %i", type); type = CT_ISO; // Sega CD (ISO) } if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) { if (type && type != CT_BIN) elprintf(EL_STATUS, ".cue has wrong type: %i", type); type = CT_BIN; // Sega CD (BIN) } if (type == CT_UNKNOWN) { pm_close(cd_f); return 0; } pm_seek(cd_f, (type == CT_ISO) ? 0x100 : 0x110, SEEK_SET); pm_read(id_header, sizeof(id_header), cd_f); /* it seems we have a CD image here. Try to detect region now.. */ pm_seek(cd_f, (type == CT_ISO) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET); pm_read(buf, 1, cd_f); pm_close(cd_f); if (buf[0] == 0x64) region = 8; // EU if (buf[0] == 0xa1) region = 1; // JAP lprintf("detected %s Sega/Mega CD image with %s region\n", type == CT_BIN ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA"); if (pregion != NULL) *pregion = region; return type; } static int extract_text(char *dest, const unsigned char *src, int len, int swab) { char *p = dest; int i; if (swab) swab = 1; for (i = len - 1; i >= 0; i--) { if (src[i^swab] != ' ') break; } len = i + 1; for (i = 0; i < len; i++) { unsigned char s = src[i^swab]; if (s >= 0x20 && s < 0x7f && s != '#' && s != '|' && s != '[' && s != ']' && s != '\\') { *p++ = s; } else { sprintf(p, "\\%02x", s); p += 3; } } return p - dest; } char *emu_makeRomId(void) { static char id_string[3+0xe*3+0x3*3+0x30*3+3]; int pos, swab = 1; if (PicoAHW & PAHW_MCD) { strcpy(id_string, "CD|"); swab = 0; } else strcpy(id_string, "MD|"); pos = 3; pos += extract_text(id_string + pos, id_header + 0x80, 0x0e, swab); // serial id_string[pos] = '|'; pos++; pos += extract_text(id_string + pos, id_header + 0xf0, 0x03, swab); // region id_string[pos] = '|'; pos++; pos += extract_text(id_string + pos, id_header + 0x50, 0x30, swab); // overseas name id_string[pos] = 0; return id_string; } // buffer must be at least 150 byte long void emu_getGameName(char *str150) { int ret, swab = (PicoAHW & PAHW_MCD) ? 0 : 1; char *s, *d; ret = extract_text(str150, id_header + 0x50, 0x30, swab); // overseas name for (s = d = str150 + 1; s < str150+ret; s++) { if (*s == 0) break; if (*s != ' ' || d[-1] != ' ') *d++ = *s; } *d = 0; } // note: this function might mangle rom_fname int emu_ReloadRom(char *rom_fname) { unsigned int rom_size = 0; char *used_rom_name = rom_fname; unsigned char *rom_data = NULL; char ext[5]; pm_file *rom = NULL; int ret, cd_state, cd_region, cfg_loaded = 0; lprintf("emu_ReloadRom(%s)\n", rom_fname); get_ext(rom_fname, ext); // detect wrong extensions if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz sprintf(menuErrorMsg, "Not a ROM/CD selected."); return 0; } PicoPatchUnload(); // check for movie file if (movie_data) { free(movie_data); movie_data = 0; } if (!strcmp(ext, ".gmv")) { // check for both gmv and rom int dummy; FILE *movie_file = fopen(rom_fname, "rb"); if(!movie_file) { sprintf(menuErrorMsg, "Failed to open movie."); return 0; } fseek(movie_file, 0, SEEK_END); movie_size = ftell(movie_file); fseek(movie_file, 0, SEEK_SET); if(movie_size < 64+3) { sprintf(menuErrorMsg, "Invalid GMV file."); fclose(movie_file); return 0; } movie_data = malloc(movie_size); if(movie_data == NULL) { sprintf(menuErrorMsg, "low memory."); fclose(movie_file); return 0; } fread(movie_data, 1, movie_size, movie_file); fclose(movie_file); if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) { sprintf(menuErrorMsg, "Invalid GMV file."); return 0; } dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname); if (!dummy) { sprintf(menuErrorMsg, "Could't find a ROM for movie."); return 0; } get_ext(rom_fname, ext); } else if (!strcmp(ext, ".pat")) { int dummy; PicoPatchLoad(rom_fname); dummy = try_rfn_cut(rom_fname) || try_rfn_cut(rom_fname); if (!dummy) { sprintf(menuErrorMsg, "Could't find a ROM to patch."); return 0; } get_ext(rom_fname, ext); } emu_shutdownMCD(); // check for MegaCD image cd_state = emu_cdCheck(&cd_region, rom_fname); if (cd_state >= 0 && cd_state != CIT_NOT_CD) { PicoAHW |= PAHW_MCD; // valid CD image, check for BIOS.. // we need to have config loaded at this point ret = emu_ReadConfig(1, 1); if (!ret) emu_ReadConfig(0, 1); cfg_loaded = 1; if (PicoRegionOverride) { cd_region = PicoRegionOverride; lprintf("overrided region to %s\n", cd_region != 4 ? (cd_region == 8 ? "EU" : "JAP") : "USA"); } if (!emu_findBios(cd_region, &used_rom_name)) { // bios_help() ? PicoAHW &= ~PAHW_MCD; return 0; } get_ext(used_rom_name, ext); } else { if (PicoAHW & PAHW_MCD) Stop_CD(); PicoAHW &= ~PAHW_MCD; } rom = pm_open(used_rom_name); if (!rom) { sprintf(menuErrorMsg, "Failed to open ROM/CD image"); goto fail; } if (cd_state < 0) { sprintf(menuErrorMsg, "Invalid CD image"); goto fail; } menu_romload_prepare(used_rom_name); // also CD load PicoCartUnload(); rom_loaded = 0; if ( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) { sprintf(menuErrorMsg, "PicoCartLoad() failed."); lprintf("%s\n", menuErrorMsg); goto fail2; } pm_close(rom); rom = NULL; // detect wrong files (Pico crashes on very small files), also see if ROM EP is good if (rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 || ((*(unsigned char *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) { if (rom_data) free(rom_data); sprintf(menuErrorMsg, "Not a ROM selected."); goto fail2; } // load config for this ROM (do this before insert to get correct region) if (!(PicoAHW & PAHW_MCD)) memcpy(id_header, rom_data + 0x100, sizeof(id_header)); if (!cfg_loaded) { ret = emu_ReadConfig(1, 1); if (!ret) emu_ReadConfig(0, 1); } lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size); if (PicoCartInsert(rom_data, rom_size)) { sprintf(menuErrorMsg, "Failed to load ROM."); goto fail2; } // insert CD if it was detected if (cd_state != CIT_NOT_CD) { ret = Insert_CD(rom_fname, cd_state); if (ret != 0) { sprintf(menuErrorMsg, "Insert_CD() failed, invalid CD image?"); lprintf("%s\n", menuErrorMsg); goto fail2; } } menu_romload_end(); if (PicoPatches) { PicoPatchPrepare(); PicoPatchApply(); } // additional movie stuff if (movie_data) { if (movie_data[0x14] == '6') PicoOpt |= POPT_6BTN_PAD; // 6 button pad else PicoOpt &= ~POPT_6BTN_PAD; PicoOpt |= POPT_DIS_VDP_FIFO; // no VDP fifo timing if (movie_data[0xF] >= 'A') { if (movie_data[0x16] & 0x80) { PicoRegionOverride = 8; } else { PicoRegionOverride = 4; } PicoReset(); // TODO: bits 6 & 5 } movie_data[0x18+30] = 0; sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]); } else { PicoOpt &= ~POPT_DIS_VDP_FIFO; if (Pico.m.pal) { strcpy(noticeMsg, "PAL SYSTEM / 50 FPS"); } else { strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS"); } } emu_noticeMsgUpdated(); // load SRAM for this ROM if (currentConfig.EmuOpt & EOPT_USE_SRAM) emu_SaveLoadGame(1, 1); strncpy(loadedRomFName, rom_fname, sizeof(loadedRomFName)-1); loadedRomFName[sizeof(loadedRomFName)-1] = 0; rom_loaded = 1; return 1; fail2: menu_romload_end(); fail: if (rom != NULL) pm_close(rom); return 0; } void emu_shutdownMCD(void) { if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL) Stop_CD(); PicoAHW &= ~PAHW_MCD; } static void romfname_ext(char *dst, const char *prefix, const char *ext) { char *p; int prefix_len = 0; // make save filename p = loadedRomFName+strlen(loadedRomFName)-1; for (; p >= loadedRomFName && *p != PATH_SEP_C; p--); p++; *dst = 0; if (prefix) { int len = emu_getMainDir(dst, 512); strcpy(dst + len, prefix); prefix_len = len + strlen(prefix); } #ifdef UIQ3 else p = loadedRomFName; // backward compatibility #endif strncpy(dst + prefix_len, p, 511-prefix_len); dst[511-8] = 0; if (dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0; if (ext) strcat(dst, ext); } static void make_config_cfg(char *cfg) { int len; len = emu_getMainDir(cfg, 512); strncpy(cfg + len, PicoConfigFile, 512-6-1-len); if (config_slot != 0) { char *p = strrchr(cfg, '.'); if (p == NULL) p = cfg + strlen(cfg); sprintf(p, ".%i.cfg", config_slot); } cfg[511] = 0; } void emu_packConfig(void) { currentConfig.s_PicoOpt = PicoOpt; currentConfig.s_PsndRate = PsndRate; currentConfig.s_PicoRegion = PicoRegionOverride; currentConfig.s_PicoAutoRgnOrder = PicoAutoRgnOrder; currentConfig.s_PicoCDBuffers = PicoCDBuffers; } void emu_unpackConfig(void) { PicoOpt = currentConfig.s_PicoOpt; PsndRate = currentConfig.s_PsndRate; PicoRegionOverride = currentConfig.s_PicoRegion; PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder; PicoCDBuffers = currentConfig.s_PicoCDBuffers; } static void emu_setDefaultConfig(void) { memcpy(¤tConfig, &defaultConfig, sizeof(currentConfig)); emu_unpackConfig(); } int emu_ReadConfig(int game, int no_defaults) { char cfg[512]; int ret; if (!game) { if (!no_defaults) emu_setDefaultConfig(); make_config_cfg(cfg); ret = config_readsect(cfg, NULL); } else { char *sect = emu_makeRomId(); // try new .cfg way if (config_slot != 0) sprintf(cfg, "game.%i.cfg", config_slot); else strcpy(cfg, "game.cfg"); ret = -1; if (config_havesect(cfg, sect)) { // read user's config int vol = currentConfig.volume; emu_setDefaultConfig(); ret = config_readsect(cfg, sect); currentConfig.volume = vol; // make vol global (bah) } else { // read global config, and apply game_def.cfg on top make_config_cfg(cfg); config_readsect(cfg, NULL); ret = config_readsect("game_def.cfg", sect); } if (ret == 0) { lprintf("loaded cfg from sect \"%s\"\n", sect); } } // some sanity checks if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200; #ifdef PSP if (currentConfig.gamma < -4 || currentConfig.gamma > 16) currentConfig.gamma = 0; if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2) currentConfig.gamma2 = 0; #else if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100; #endif if (currentConfig.volume < 0 || currentConfig.volume > 99) currentConfig.volume = 50; #ifdef __GP2X__ // if volume keys are unbound, bind them to volume control if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) { currentConfig.KeyBinds[23] = 1<<29; // vol up currentConfig.KeyBinds[22] = 1<<30; // vol down } #endif if (ret == 0) config_slot_current = config_slot; return (ret == 0); } int emu_WriteConfig(int is_game) { char cfg[512], *game_sect = NULL; int ret, write_lrom = 0; if (!is_game) { make_config_cfg(cfg); write_lrom = 1; } else { if (config_slot != 0) sprintf(cfg, "game.%i.cfg", config_slot); else strcpy(cfg, "game.cfg"); game_sect = emu_makeRomId(); lprintf("emu_WriteConfig: sect \"%s\"\n", game_sect); } lprintf("emu_WriteConfig: %s ", cfg); ret = config_writesect(cfg, game_sect); if (write_lrom) config_writelrom(cfg); #ifndef NO_SYNC sync(); #endif lprintf((ret == 0) ? "(ok)\n" : "(failed)\n"); if (ret == 0) config_slot_current = config_slot; return ret == 0; } #ifndef UIQ3 void emu_textOut8(int x, int y, const char *text) { int i,l,len=strlen(text); unsigned char *screen = (unsigned char *)SCREEN_BUFFER + x + y*SCREEN_WIDTH; /* always using built-in font */ for (i = 0; i < len; i++) { for (l=0;l<8;l++) { unsigned char fd = fontdata8x8[((text[i])*8)+l]; if (fd&0x80) screen[l*SCREEN_WIDTH+0]=0xf0; if (fd&0x40) screen[l*SCREEN_WIDTH+1]=0xf0; if (fd&0x20) screen[l*SCREEN_WIDTH+2]=0xf0; if (fd&0x10) screen[l*SCREEN_WIDTH+3]=0xf0; if (fd&0x08) screen[l*SCREEN_WIDTH+4]=0xf0; if (fd&0x04) screen[l*SCREEN_WIDTH+5]=0xf0; if (fd&0x02) screen[l*SCREEN_WIDTH+6]=0xf0; if (fd&0x01) screen[l*SCREEN_WIDTH+7]=0xf0; } screen += 8; } } void emu_textOut16(int x, int y, const char *text) { int i,l,len=strlen(text); unsigned short *screen = (unsigned short *)SCREEN_BUFFER + x + y*SCREEN_WIDTH; for (i = 0; i < len; i++) { for (l=0;l<8;l++) { unsigned char fd = fontdata8x8[((text[i])*8)+l]; if(fd&0x80) screen[l*SCREEN_WIDTH+0]=0xffff; if(fd&0x40) screen[l*SCREEN_WIDTH+1]=0xffff; if(fd&0x20) screen[l*SCREEN_WIDTH+2]=0xffff; if(fd&0x10) screen[l*SCREEN_WIDTH+3]=0xffff; if(fd&0x08) screen[l*SCREEN_WIDTH+4]=0xffff; if(fd&0x04) screen[l*SCREEN_WIDTH+5]=0xffff; if(fd&0x02) screen[l*SCREEN_WIDTH+6]=0xffff; if(fd&0x01) screen[l*SCREEN_WIDTH+7]=0xffff; } screen += 8; } } #endif #ifdef PSP #define MAX_COMBO_KEY 23 #else #define MAX_COMBO_KEY 31 #endif void emu_findKeyBindCombos(void) { int act, u; // find out which keys and actions are combos kb_combo_keys = kb_combo_acts = 0; for (act = 0; act < 32; act++) { int keyc = 0, keyc2 = 0; if (act == 16 || act == 17) continue; // player2 flag if (act > 17) { for (u = 0; u <= MAX_COMBO_KEY; u++) if (currentConfig.KeyBinds[u] & (1 << act)) keyc++; } else { for (u = 0; u <= MAX_COMBO_KEY; u++) if ((currentConfig.KeyBinds[u] & 0x30000) == 0 && // pl. 1 (currentConfig.KeyBinds[u] & (1 << act))) keyc++; for (u = 0; u <= MAX_COMBO_KEY; u++) if ((currentConfig.KeyBinds[u] & 0x30000) == 1 && // pl. 2 (currentConfig.KeyBinds[u] & (1 << act))) keyc2++; if (keyc2 > keyc) keyc = keyc2; } if (keyc > 1) { // loop again and mark those keys and actions as combo for (u = 0; u <= MAX_COMBO_KEY; u++) { if (currentConfig.KeyBinds[u] & (1 << act)) { kb_combo_keys |= 1 << u; kb_combo_acts |= 1 << act; } } } } // printf("combo keys/acts: %08x %08x\n", kb_combo_keys, kb_combo_acts); } void emu_updateMovie(void) { int offs = Pico.m.frame_count*3 + 0x40; if (offs+3 > movie_size) { free(movie_data); movie_data = 0; strcpy(noticeMsg, "END OF MOVIE."); lprintf("END OF MOVIE.\n"); emu_noticeMsgUpdated(); } else { // MXYZ SACB RLDU PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // A if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // B if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // A PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z } } static size_t gzRead2(void *p, size_t _size, size_t _n, void *file) { return gzread(file, p, _n); } static size_t gzWrite2(void *p, size_t _size, size_t _n, void *file) { return gzwrite(file, p, _n); } static int try_ropen_file(const char *fname) { FILE *f; f = fopen(fname, "rb"); if (f) { fclose(f); return 1; } return 0; } char *emu_GetSaveFName(int load, int is_sram, int slot) { static char saveFname[512]; char ext[16]; if (is_sram) { romfname_ext(saveFname, (PicoAHW&1) ? "brm"PATH_SEP : "srm"PATH_SEP, (PicoAHW&1) ? ".brm" : ".srm"); if (load) { if (try_ropen_file(saveFname)) return saveFname; // try in current dir.. romfname_ext(saveFname, NULL, (PicoAHW & PAHW_MCD) ? ".brm" : ".srm"); if (try_ropen_file(saveFname)) return saveFname; return NULL; // give up } } else { ext[0] = 0; if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot); strcat(ext, (currentConfig.EmuOpt & EOPT_GZIP_SAVES) ? ".mds.gz" : ".mds"); romfname_ext(saveFname, "mds" PATH_SEP, ext); if (load) { if (try_ropen_file(saveFname)) return saveFname; romfname_ext(saveFname, NULL, ext); if (try_ropen_file(saveFname)) return saveFname; // no gzipped states, search for non-gzipped if (currentConfig.EmuOpt & EOPT_GZIP_SAVES) { ext[0] = 0; if(slot > 0 && slot < 10) sprintf(ext, ".%i", slot); strcat(ext, ".mds"); romfname_ext(saveFname, "mds"PATH_SEP, ext); if (try_ropen_file(saveFname)) return saveFname; romfname_ext(saveFname, NULL, ext); if (try_ropen_file(saveFname)) return saveFname; } return NULL; } } return saveFname; } int emu_checkSaveFile(int slot) { return emu_GetSaveFName(1, 0, slot) ? 1 : 0; } void emu_setSaveStateCbs(int gz) { if (gz) { areaRead = gzRead2; areaWrite = gzWrite2; areaEof = (areaeof *) gzeof; areaSeek = (areaseek *) gzseek; areaClose = (areaclose *) gzclose; } else { areaRead = (arearw *) fread; areaWrite = (arearw *) fwrite; areaEof = (areaeof *) feof; areaSeek = (areaseek *) fseek; areaClose = (areaclose *) fclose; } } int emu_SaveLoadGame(int load, int sram) { int ret = 0; char *saveFname; // make save filename saveFname = emu_GetSaveFName(load, sram, state_slot); if (saveFname == NULL) { if (!sram) { strcpy(noticeMsg, load ? "LOAD FAILED (missing file)" : "SAVE FAILED "); emu_noticeMsgUpdated(); } return -1; } lprintf("saveLoad (%i, %i): %s\n", load, sram, saveFname); if (sram) { FILE *sramFile; int sram_size; unsigned char *sram_data; int truncate = 1; if (PicoAHW & PAHW_MCD) { if (PicoOpt&POPT_EN_MCD_RAMCART) { sram_size = 0x12000; sram_data = SRam.data; if (sram_data) memcpy32((int *)sram_data, (int *)Pico_mcd->bram, 0x2000/4); } else { sram_size = 0x2000; sram_data = Pico_mcd->bram; truncate = 0; // the .brm may contain RAM cart data after normal brm } } else { sram_size = SRam.end-SRam.start+1; if(Pico.m.sram_reg & 4) sram_size=0x2000; sram_data = SRam.data; } if (!sram_data) return 0; // SRam forcefully disabled for this game if (load) { sramFile = fopen(saveFname, "rb"); if(!sramFile) return -1; fread(sram_data, 1, sram_size, sramFile); fclose(sramFile); if ((PicoAHW & PAHW_MCD) && (PicoOpt&POPT_EN_MCD_RAMCART)) memcpy32((int *)Pico_mcd->bram, (int *)sram_data, 0x2000/4); } else { // sram save needs some special processing // see if we have anything to save for (; sram_size > 0; sram_size--) if (sram_data[sram_size-1]) break; if (sram_size) { sramFile = fopen(saveFname, truncate ? "wb" : "r+b"); if (!sramFile) sramFile = fopen(saveFname, "wb"); // retry if (!sramFile) return -1; ret = fwrite(sram_data, 1, sram_size, sramFile); ret = (ret != sram_size) ? -1 : 0; fclose(sramFile); #ifndef NO_SYNC sync(); #endif } } return ret; } else { void *PmovFile = NULL; if (strcmp(saveFname + strlen(saveFname) - 3, ".gz") == 0) { if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) { emu_setSaveStateCbs(1); if (!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY); } } else { if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) { emu_setSaveStateCbs(0); } } if(PmovFile) { ret = PmovState(load ? 6 : 5, PmovFile); areaClose(PmovFile); PmovFile = 0; if (load) Pico.m.dirtyPal=1; #ifndef NO_SYNC else sync(); #endif } else ret = -1; if (!ret) strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED "); else { strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED "); ret = -1; } emu_noticeMsgUpdated(); return ret; } } void emu_changeFastForward(int set_on) { static void *set_PsndOut = NULL; static int set_Frameskip, set_EmuOpt, is_on = 0; if (set_on && !is_on) { set_PsndOut = PsndOut; set_Frameskip = currentConfig.Frameskip; set_EmuOpt = currentConfig.EmuOpt; PsndOut = NULL; currentConfig.Frameskip = 8; currentConfig.EmuOpt &= ~4; currentConfig.EmuOpt |= 0x40000; is_on = 1; strcpy(noticeMsg, "FAST FORWARD "); emu_noticeMsgUpdated(); } else if (!set_on && is_on) { PsndOut = set_PsndOut; currentConfig.Frameskip = set_Frameskip; currentConfig.EmuOpt = set_EmuOpt; PsndRerate(1); is_on = 0; } } void emu_RunEventsPico(unsigned int events) { if (events & (1 << 3)) { pico_inp_mode++; if (pico_inp_mode > 2) pico_inp_mode = 0; switch (pico_inp_mode) { case 2: strcpy(noticeMsg, "Input: Pen on Pad "); break; case 1: strcpy(noticeMsg, "Input: Pen on Storyware"); break; case 0: strcpy(noticeMsg, "Input: Joytick "); PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000; break; } emu_noticeMsgUpdated(); } if (events & (1 << 4)) { PicoPicohw.page--; if (PicoPicohw.page < 0) PicoPicohw.page = 0; sprintf(noticeMsg, "Page %i ", PicoPicohw.page); emu_noticeMsgUpdated(); } if (events & (1 << 5)) { PicoPicohw.page++; if (PicoPicohw.page > 6) PicoPicohw.page = 6; sprintf(noticeMsg, "Page %i ", PicoPicohw.page); emu_noticeMsgUpdated(); } } void emu_DoTurbo(int *pad, int acts) { static int turbo_pad = 0; static unsigned char turbo_cnt[3] = { 0, 0, 0 }; int inc = currentConfig.turbo_rate * 2; if (acts & 0x1000) { turbo_cnt[0] += inc; if (turbo_cnt[0] >= 60) turbo_pad ^= 0x10, turbo_cnt[0] = 0; } if (acts & 0x2000) { turbo_cnt[1] += inc; if (turbo_cnt[1] >= 60) turbo_pad ^= 0x20, turbo_cnt[1] = 0; } if (acts & 0x4000) { turbo_cnt[2] += inc; if (turbo_cnt[2] >= 60) turbo_pad ^= 0x40, turbo_cnt[2] = 0; } *pad |= turbo_pad & (acts >> 8); }