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Libretro: Attempt to load Game Boy BIOS

This commit is contained in:
Douglas Christman 2018-03-24 19:10:07 +08:00 committed by endrift
parent eddd3851bc
commit ffbf509f5a
1 changed files with 40 additions and 9 deletions
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49
src/platform/libretro/libretro.c
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@ -455,22 +455,53 @@ bool retro_load_game(const struct retro_game_info* game) {
core->loadROM(core, rom); core->loadROM(core, rom);
core->loadSave(core, save); core->loadSave(core, save);
const char* sysDir = 0;
const char* biosName = 0;
char biosPath[PATH_MAX];
environCallback(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &sysDir);
#ifdef M_CORE_GBA #ifdef M_CORE_GBA
if (core->platform(core) == PLATFORM_GBA) { if (core->platform(core) == PLATFORM_GBA) {
core->setPeripheral(core, mPERIPH_GBA_LUMINANCE, &lux); core->setPeripheral(core, mPERIPH_GBA_LUMINANCE, &lux);
biosName = "gba_bios.bin";
const char* sysDir = 0;
if (core->opts.useBios && environCallback(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &sysDir)) {
char biosPath[PATH_MAX];
snprintf(biosPath, sizeof(biosPath), "%s%s%s", sysDir, PATH_SEP, "gba_bios.bin");
struct VFile* bios = VFileOpen(biosPath, O_RDONLY);
if (bios) {
core->loadBIOS(core, bios, 0);
}
}
} }
#endif #endif
#ifdef M_CORE_GB
if (core->platform(core) == PLATFORM_GB) {
const char* modelName = mCoreConfigGetValue(&core->config, "gb.model");
struct GB* gb = core->board;
if (modelName) {
gb->model = GBNameToModel(modelName);
} else {
GBDetectModel(gb);
}
switch (gb->model) {
case GB_MODEL_CGB:
biosName = "gbc_bios.bin";
break;
case GB_MODEL_SGB:
biosName = "sgb_bios.bin";
break;
case GB_MODEL_DMG:
default:
biosName = "gb_bios.bin";
break;
};
}
#endif
if (core->opts.useBios && sysDir && biosName) {
snprintf(biosPath, sizeof(biosPath), "%s%s%s", sysDir, PATH_SEP, biosName);
struct VFile* bios = VFileOpen(biosPath, O_RDONLY);
if (bios) {
core->loadBIOS(core, bios, 0);
}
}
core->reset(core); core->reset(core);
_setupMaps(core); _setupMaps(core);