www.pudn.com > ncdzsrc.rar > neogeocd.c

/*************************************************************************** 
 
	neogeocd.c 
 
	エミュレータのメインルーチン 
 
***************************************************************************/ 
 
#include "neogeocd.h" 
 
 
/*************************************************************************** 
	グローバル関数 
 ***************************************************************************/ 
 
/*-------------------------------------------------------- 
 
	エミュレーションの実行 
 
	引  数: なし 
	戻り値: 終了コード 1=終了,0=再起動 
 
 -------------------------------------------------------*/ 
 
int neogeo_main(void) 
{ 
	int quit = 0; 
 
	first_time_boot = 1; 
 
	cdrom_current_drive = -1; 
	game_index = -1; 
	cdrom_loading_state = CDROM_IDLE; 
 
	timer_init(); 
 
	logerror("Start memory emulation.\n"); 
	if (memory_init()) 
	{ 
		logerror("Start CD-ROM emulation.\n"); 
		if (cdrom_init()) 
		{ 
			logerror("Start input device emulation.\n"); 
			if (input_init()) 
			{ 
				logerror("Start video emulation.\n"); 
				if (video_init()) 
				{ 
					logerror("Start sound emulation.\n"); 
					if (sound_init()) 
					{ 
						logerror("Initialize user interface.\n"); 
						if (ui_init()) 
						{ 
							cpu_init(); 
 
							while (osd_get_app_state() <= OSD_RESTART) 
							{ 
								osd_set_app_state(OSD_EXEC); 
								neogeo_run(); 
							} 
 
							cpu_exit(); 
						} 
						else 
						{ 
							quit = 1; 
							logerror("Could not initialize user interface.\n"); 
						} 
						ui_exit(); 
					} 
					else 
					{ 
						quit = 1; 
						logerror("Could not start sound emulation.\n"); 
					} 
					sound_shutdown(); 
				} 
				else if (!quit) 
				{ 
					quit = 1; 
					logerror("Could not start video emulation.\n"); 
				} 
				video_shutdown(); 
			} 
			else 
			{ 
				quit = 1; 
				logerror("Could not start input devicee emulation.\n"); 
			} 
			input_shutdown(); 
		} 
		else if (!quit) 
		{ 
			quit = 1; 
			logerror("Could not start CD-ROM emulation.\n"); 
		} 
		cdrom_shutdown(); 
	} 
	else if (!quit) 
	{ 
		quit = 1; 
		logerror("Could not start memory emulation.\n"); 
	} 
	memory_shutdown(); 
 
	timer_free(); 
 
	if (quit) osd_set_app_state(OSD_QUIT); 
 
	return osd_get_app_state(); 
} 
 
 
 
/*-------------------------------------------------------- 
 
	画面とサウンドの更新 
 
	引  数: なし 
	戻り値: 終了コード 1=終了,0=再起動 
 
 -------------------------------------------------------*/ 
 
void updatescreen(void) 
{ 
	if (cdrom_loading_state != CDROM_IDLE) 
	{ 
		loading_updatescreen(); 
		return; 
	} 
 
	if (driver_flag & PATCH_AOF2) 
		m68000_write_memory_8(0x108000 + 0x280, 0); 
 
	neogeo_cdda_check(); 
	sound_update(); 
 
	if (osd_skip_this_frame() == 0) 
	{ 
		if (driver_type > 1) 
			neogeo_raster_screenrefresh(); 
		else 
			neogeo_screenrefresh(); 
	} 
 
	if (boot_bios) 
	{ 
		bios_run(); 
		if (osd_get_app_state()) 
			return; 
	} 
	else 
	{ 
		bios_check_exit(); 
	} 
 
	ui_menu(); 
	ui_show_popup(); 
 
	osd_update_video(1); 
}