X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=common%2Femu.c;h=141356a30153247bb6049252d710e5781a694ecb;hb=ee0f881e9f135db6ed9337b99f611b3cae955f8c;hp=2535abe57ecad1029c21afe35eb26903bfbdac0d;hpb=0114ccc43b628801282c5a076e0f3a9f368ea329;p=libpicofe.git diff --git a/common/emu.c b/common/emu.c index 2535abe..141356a 100644 --- a/common/emu.c +++ b/common/emu.c @@ -86,15 +86,15 @@ static void get_ext(char *file, char *ext) 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" }; +static const char *biosfiles_us[] = { "us_scd1_9210", "us_scd2_9306", "SegaCDBIOS9303" }; +static const char *biosfiles_eu[] = { "eu_mcd1_9210", "eu_mcd2_9306", "eu_mcd2_9303" }; +static const char *biosfiles_jp[] = { "jp_mcd1_9112", "jp_mcd1_9111" }; -int emu_findBios(int region, char **bios_file) +static int find_bios(int region, char **bios_file) { static char bios_path[1024]; int i, count; - char **files; + const char **files; FILE *f = NULL; if (region == 4) { // US @@ -156,7 +156,7 @@ 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) +int emu_cd_check(int *pregion, char *fname_in) { unsigned char buf[32]; pm_file *cd_f; @@ -253,7 +253,7 @@ static int extract_text(char *dest, const unsigned char *src, int len, int swab) return p - dest; } -char *emu_makeRomId(void) +static char *emu_make_rom_id(void) { static char id_string[3+0xe*3+0x3*3+0x30*3+3]; int pos, swab = 1; @@ -276,7 +276,7 @@ char *emu_makeRomId(void) } // buffer must be at least 150 byte long -void emu_getGameName(char *str150) +void emu_get_game_name(char *str150) { int ret, swab = (PicoAHW & PAHW_MCD) ? 0 : 1; char *s, *d; @@ -292,8 +292,15 @@ void emu_getGameName(char *str150) *d = 0; } +static void shutdown_MCD(void) +{ + if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL) + Stop_CD(); + PicoAHW &= ~PAHW_MCD; +} + // note: this function might mangle rom_fname -int emu_ReloadRom(char *rom_fname) +int emu_reload_rom(char *rom_fname) { unsigned int rom_size = 0; char *used_rom_name = rom_fname; @@ -368,26 +375,25 @@ int emu_ReloadRom(char *rom_fname) get_ext(rom_fname, ext); } - emu_shutdownMCD(); + shutdown_MCD(); // check for MegaCD image - cd_state = emu_cdCheck(&cd_region, rom_fname); + cd_state = emu_cd_check(&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); + ret = emu_read_config(1, 1); + if (!ret) emu_read_config(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() ? + if (!find_bios(cd_region, &used_rom_name)) { PicoAHW &= ~PAHW_MCD; return 0; } @@ -437,8 +443,8 @@ int emu_ReloadRom(char *rom_fname) 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); + ret = emu_read_config(1, 1); + if (!ret) emu_read_config(0, 1); } lprintf("PicoCartInsert(%p, %d);\n", rom_data, rom_size); @@ -489,8 +495,8 @@ int emu_ReloadRom(char *rom_fname) } // load SRAM for this ROM - if (currentConfig.EmuOpt & EOPT_USE_SRAM) - emu_SaveLoadGame(1, 1); + if (currentConfig.EmuOpt & EOPT_EN_SRAM) + emu_save_load_game(1, 1); strncpy(rom_fname_loaded, rom_fname, sizeof(rom_fname_loaded)-1); rom_fname_loaded[sizeof(rom_fname_loaded)-1] = 0; @@ -504,14 +510,6 @@ fail: 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; @@ -535,7 +533,6 @@ static void romfname_ext(char *dst, const char *prefix, const char *ext) if (ext) strcat(dst, ext); } - static void make_config_cfg(char *cfg) { int len; @@ -550,17 +547,9 @@ static void make_config_cfg(char *cfg) 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) +static void emu_setDefaultConfig(void) { + memcpy(¤tConfig, &defaultConfig, sizeof(currentConfig)); PicoOpt = currentConfig.s_PicoOpt; PsndRate = currentConfig.s_PsndRate; PicoRegionOverride = currentConfig.s_PicoRegion; @@ -568,14 +557,7 @@ void emu_unpackConfig(void) PicoCDBuffers = currentConfig.s_PicoCDBuffers; } -static void emu_setDefaultConfig(void) -{ - memcpy(¤tConfig, &defaultConfig, sizeof(currentConfig)); - emu_unpackConfig(); -} - - -int emu_ReadConfig(int game, int no_defaults) +int emu_read_config(int game, int no_defaults) { char cfg[512]; int ret; @@ -589,7 +571,7 @@ int emu_ReadConfig(int game, int no_defaults) } else { - char *sect = emu_makeRomId(); + char *sect = emu_make_rom_id(); // try new .cfg way if (config_slot != 0) @@ -638,7 +620,7 @@ int emu_ReadConfig(int game, int no_defaults) } -int emu_WriteConfig(int is_game) +int emu_write_config(int is_game) { char cfg[512], *game_sect = NULL; int ret, write_lrom = 0; @@ -651,11 +633,11 @@ int emu_WriteConfig(int is_game) 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); + game_sect = emu_make_rom_id(); + lprintf("emu_write_config: sect \"%s\"\n", game_sect); } - lprintf("emu_WriteConfig: %s ", cfg); + lprintf("emu_write_config: %s ", cfg); ret = config_writesect(cfg, game_sect); if (write_lrom) config_writelrom(cfg); #ifndef NO_SYNC @@ -761,7 +743,7 @@ static int try_ropen_file(const char *fname) return 0; } -char *emu_GetSaveFName(int load, int is_sram, int slot) +char *emu_get_save_fname(int load, int is_sram, int slot) { static char saveFname[512]; char ext[16]; @@ -807,9 +789,9 @@ char *emu_GetSaveFName(int load, int is_sram, int slot) return saveFname; } -int emu_checkSaveFile(int slot) +int emu_check_save_file(int slot) { - return emu_GetSaveFName(1, 0, slot) ? 1 : 0; + return emu_get_save_fname(1, 0, slot) ? 1 : 0; } void emu_setSaveStateCbs(int gz) @@ -829,13 +811,13 @@ void emu_setSaveStateCbs(int gz) } } -int emu_SaveLoadGame(int load, int sram) +int emu_save_load_game(int load, int sram) { int ret = 0; char *saveFname; // make save filename - saveFname = emu_GetSaveFName(load, sram, state_slot); + saveFname = emu_get_save_fname(load, sram, state_slot); if (saveFname == NULL) { if (!sram) plat_status_msg(load ? "LOAD FAILED (missing file)" : "SAVE FAILED"); @@ -935,7 +917,7 @@ int emu_SaveLoadGame(int load, int sram) } } -void emu_changeFastForward(int set_on) +void emu_set_fastforward(int set_on) { static void *set_PsndOut = NULL; static int set_Frameskip, set_EmuOpt, is_on = 0; @@ -1056,7 +1038,7 @@ static void run_events_ui(unsigned int which) if (which & (PEV_STATE_LOAD|PEV_STATE_SAVE)) { int do_it = 1; - if ( emu_checkSaveFile(state_slot) && + if ( emu_check_save_file(state_slot) && (((which & PEV_STATE_LOAD) && (currentConfig.EmuOpt & EOPT_CONFIRM_LOAD)) || ((which & PEV_STATE_SAVE) && (currentConfig.EmuOpt & EOPT_CONFIRM_SAVE))) ) { @@ -1088,7 +1070,7 @@ static void run_events_ui(unsigned int which) if (do_it) { plat_status_msg_busy_first((which & PEV_STATE_LOAD) ? "LOADING GAME" : "SAVING GAME"); PicoStateProgressCB = plat_status_msg_busy_next; - emu_SaveLoadGame((which & PEV_STATE_LOAD) ? 1 : 0, 0); + emu_save_load_game((which & PEV_STATE_LOAD) ? 1 : 0, 0); PicoStateProgressCB = NULL; } } @@ -1109,7 +1091,7 @@ static void run_events_ui(unsigned int which) } plat_status_msg("SAVE SLOT %i [%s]", state_slot, - emu_checkSaveFile(state_slot) ? "USED" : "FREE"); + emu_check_save_file(state_slot) ? "USED" : "FREE"); } if (which & PEV_MENU) engineState = PGS_Menu; @@ -1136,7 +1118,7 @@ void emu_update_input(void) plat_update_volume(1, events & PEV_VOL_UP); if ((events ^ prevEvents) & PEV_FF) { - emu_changeFastForward(events & PEV_FF); + emu_set_fastforward(events & PEV_FF); plat_update_volume(0, 0); reset_timing = 1; } @@ -1182,8 +1164,8 @@ void emu_init(void) void emu_finish(void) { // save SRAM - if ((currentConfig.EmuOpt & EOPT_USE_SRAM) && SRam.changed) { - emu_SaveLoadGame(0, 1); + if ((currentConfig.EmuOpt & EOPT_EN_SRAM) && SRam.changed) { + emu_save_load_game(0, 1); SRam.changed = 0; }