diff --git a/libretro/libretro.c b/libretro/libretro.c index 70a2d650..4497c2e5 100644 --- a/libretro/libretro.c +++ b/libretro/libretro.c @@ -40,7 +40,7 @@ static const char slash = '/'; #define RETRO_GAME_TYPE_GAMEBOY_LINK_2P 0x101 -char battery_save_path[512]; +char battery_save_path[512]; char symbols_path[512]; enum model { @@ -107,7 +107,7 @@ static void GB_update_keys_status(GB_gameboy_t *gb, unsigned port) { input_poll_cb(); - + GB_set_key_state(gb, GB_KEY_RIGHT,input_state_cb(port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT)); GB_set_key_state(gb, GB_KEY_LEFT, input_state_cb(port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT)); GB_set_key_state(gb, GB_KEY_UP,input_state_cb(port, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP) ); @@ -222,10 +222,14 @@ static const struct retro_subsystem_rom_info gb_roms[] = { }; static const struct retro_subsystem_info subsystems[] = { - { "2 Player Gameboy Link", "gb_link_2p", gb_roms, 2, RETRO_GAME_TYPE_GAMEBOY_LINK_2P | 0x1000 }, + { "2 Player Gameboy Link", "gb_link_2p", gb_roms, 2, RETRO_GAME_TYPE_GAMEBOY_LINK_2P }, { NULL }, }; +static const struct retro_controller_description controllers[] = { + { "Nintendo Gameboy", RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 0) }, +}; + static void init_for_current_model(void) { unsigned i = 0; @@ -253,7 +257,7 @@ static void init_for_current_model(void) const char *model_name = (const char *[]){"dmg", "cgb", "agb"}[model[i]]; const unsigned char *boot_code = (const unsigned char *[]){dmg_boot, cgb_boot, agb_boot}[model[i]]; unsigned boot_length = (unsigned []){dmg_boot_length, cgb_boot_length, agb_boot_length}[model[i]]; - + char buf[256]; snprintf(buf, sizeof(buf), "%s%c%s_boot.bin", retro_system_directory, slash, model_name); log_cb(RETRO_LOG_INFO, "Loading boot image: %s\n", buf); @@ -339,7 +343,7 @@ static void check_variables(bool link) else if (strcmp(var.value, "preserve brightness") == 0) GB_set_color_correction_mode(&gameboy[0], GB_COLOR_CORRECTION_PRESERVE_BRIGHTNESS); } - + var.key = "sameboy_high_pass_filter_mode"; var.value = NULL; if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) @@ -351,7 +355,7 @@ static void check_variables(bool link) else if (strcmp(var.value, "remove dc offset") == 0) GB_set_highpass_filter_mode(&gameboy[0], GB_HIGHPASS_REMOVE_DC_OFFSET); } - + var.key = "sameboy_model"; var.value = NULL; if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) @@ -363,12 +367,14 @@ static void check_variables(bool link) new_model = MODEL_CGB; else if (strcmp(var.value, "Game Boy Advance") == 0) new_model = MODEL_AGB; - else if (strcmp(var.value, "Auto") == 0) + else new_model = MODEL_AUTO; + if (GB_is_inited(&gameboy[0]) && new_model != model[0]) { model[0] = new_model; init_for_current_model(); } + model[0] = new_model; } } else @@ -436,10 +442,13 @@ static void check_variables(bool link) new_model = MODEL_CGB; else if (strcmp(var.value, "Game Boy Advance") == 0) new_model = MODEL_AGB; + else + new_model = MODEL_AUTO; if (GB_is_inited(&gameboy[0]) && new_model != model[0]) { model[0] = new_model; init_for_current_model(); } + model[0] = new_model; } var.key = "sameboy_model_2"; @@ -453,10 +462,13 @@ static void check_variables(bool link) new_model = MODEL_CGB; else if (strcmp(var.value, "Game Boy Advance") == 0) new_model = MODEL_AGB; + else + new_model = MODEL_AUTO; if (GB_is_inited(&gameboy[1]) && new_model != model[1]) { model[1] = new_model; init_for_current_model(); } + model[1] = new_model; } } @@ -487,12 +499,12 @@ static void check_variables(bool link) void retro_init(void) { const char *dir = NULL; - + if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir) snprintf(retro_system_directory, sizeof(retro_system_directory), "%s", dir); else snprintf(retro_system_directory, sizeof(retro_system_directory), "%s", "."); - + if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir) snprintf(retro_save_directory, sizeof(retro_save_directory), "%s", dir); else @@ -556,22 +568,12 @@ void retro_get_system_av_info(struct retro_system_av_info *info) void retro_set_environment(retro_environment_t cb) { environ_cb = cb; - + if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging)) log_cb = logging.log; else log_cb = fallback_log; - - static const struct retro_controller_description controllers[] = { - { "Nintendo Gameboy", RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 0) }, - }; - - static const struct retro_controller_info ports[] = { - { controllers, 1 }, - { controllers, 1 }, - { NULL, 0 }, - }; - cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports); + cb(RETRO_ENVIRONMENT_SET_SUBSYSTEM_INFO, (void*)subsystems); } @@ -621,7 +623,7 @@ void retro_run(void) } pre_init = 0; - + if (!frame_buf) return; @@ -666,9 +668,8 @@ void retro_run(void) bool retro_load_game(const struct retro_game_info *info) { - environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, emulated_devices == 2 ? (void *)vars_link : (void *)vars); - check_variables(emulated_devices == 2 ? true : false); - environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, emulated_devices == 2 ? (void *)vars_link : (void *)vars); + environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void *)vars); + check_variables(false); frame_buf = (uint32_t*)malloc(emulated_devices * VIDEO_PIXELS * sizeof(uint32_t)); frame_buf_copy = (uint32_t*)malloc(emulated_devices * VIDEO_PIXELS * sizeof(uint32_t)); @@ -697,9 +698,9 @@ bool retro_load_game(const struct retro_game_info *info) return false; } + auto_model = (info->path[strlen(info->path) - 1] & ~0x20) == 'C' ? MODEL_CGB : MODEL_DMG; snprintf(retro_game_path, sizeof(retro_game_path), "%s", info->path); - auto_model = (info->path[strlen(info->path) - 1] & ~0x20) == 'C' ? MODEL_CGB : MODEL_DMG; init_for_current_model(); for (int i = 0; i < emulated_devices; i++) @@ -711,25 +712,20 @@ bool retro_load_game(const struct retro_game_info *info) } } - bool yes = true; - environ_cb(RETRO_ENVIRONMENT_SET_SUPPORT_ACHIEVEMENTS, &yes); + bool achievements = true; + environ_cb(RETRO_ENVIRONMENT_SET_SUPPORT_ACHIEVEMENTS, &achievements); if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble)) log_cb(RETRO_LOG_INFO, "Rumble environment supported.\n"); else log_cb(RETRO_LOG_INFO, "Rumble environment not supported.\n"); - static const struct retro_variable vars[] = { - { "sameboy_color_correction_mode", "Color Correction; off|correct curves|emulate hardware|preserve brightness" }, - { "sameboy_high_pass_filter_mode", "High Pass Filter; off|accurate|remove dc offset" }, - { "sameboy_model", "Emulated Model; Auto|Game Boy|Game Boy Color|Game Boy Advance" }, - { "sameboy_link", "Link Cable; disabled|enabled" }, - { "sameboy_link_layout", "Screen Layout; top-down|left-right" }, - { NULL } + static const struct retro_controller_info ports[] = { + { controllers, 1 }, + { NULL, 0 }, }; - environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, emulated_devices == 2 ? (void *)vars_link : (void *)vars); - check_variables(emulated_devices == 2 ? true : false); + environ_cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports); return true; } @@ -746,11 +742,14 @@ unsigned retro_get_region(void) bool retro_load_game_special(unsigned type, const struct retro_game_info *info, size_t num_info) { - emulated_devices = 2; - environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, emulated_devices == 2 ? (void *)vars_link : (void *)vars); - check_variables(emulated_devices == 2 ? true : false); - environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, emulated_devices == 2 ? (void *)vars_link : (void *)vars); + if (type == RETRO_GAME_TYPE_GAMEBOY_LINK_2P) + emulated_devices = 2; + else + return false; /* all other types are unhandled for now */ + + environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void *)vars_link); + check_variables(true); frame_buf = (uint32_t*)malloc(emulated_devices * VIDEO_PIXELS * sizeof(uint32_t)); frame_buf_copy = (uint32_t*)malloc(emulated_devices * VIDEO_PIXELS * sizeof(uint32_t)); @@ -777,39 +776,44 @@ bool retro_load_game_special(unsigned type, const struct retro_game_info *info, { 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" }, { 0 }, }; - + environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc); - + enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_XRGB8888; if (!environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) { log_cb(RETRO_LOG_INFO, "XRGB8888 is not supported.\n"); return false; } - + + auto_model = (info->path[strlen(info->path) - 1] & ~0x20) == 'C' ? MODEL_CGB : MODEL_DMG; snprintf(retro_game_path, sizeof(retro_game_path), "%s", info->path); + init_for_current_model(); for (int i = 0; i < emulated_devices; i++) { - auto_model = (info[i].path[strlen(info[i].path) - 1] & ~0x20) == 'C' ? MODEL_CGB : MODEL_DMG; if (GB_load_rom(&gameboy[i], info[i].path)) { log_cb(RETRO_LOG_INFO, "Failed to load ROM\n"); return false; } } - - bool yes = true; - environ_cb(RETRO_ENVIRONMENT_SET_SUPPORT_ACHIEVEMENTS, &yes); - + bool achievements = true; + environ_cb(RETRO_ENVIRONMENT_SET_SUPPORT_ACHIEVEMENTS, &achievements); + if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble)) log_cb(RETRO_LOG_INFO, "Rumble environment supported.\n"); else log_cb(RETRO_LOG_INFO, "Rumble environment not supported.\n"); - environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, emulated_devices == 2 ? (void *)vars_link : (void *)vars); - check_variables(emulated_devices == 2 ? true : false); + static const struct retro_controller_info ports[] = { + { controllers, 1 }, + { NULL, 0 }, + }; + + environ_cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports); + return true; } @@ -926,7 +930,7 @@ size_t retro_get_memory_size(unsigned type) size = 0; break; } - + return size; }