Mednafen is a portable, utilizing OpenGL and SDL, argument(command-line)-driven multi-system emulator. Mednafen has the ability to remap hotkey functions and virtual system inputs to a keyboard, a joystick, or both simultaneously. Save states are supported, as is real-time game rewinding. Screen snapshots may be taken, in the PNG file format, at the press of a button. Mednafen can record audiovisual movies in the QuickTime file format, with several different lossless codecs supported.
The following systems are supported(refer to the emulation module documentation for more details):
Atari Lynx Neo Geo Pocket (Color) WonderSwan GameBoy (Color) GameBoy Advance Nintendo Entertainment System Super Nintendo Entertainment System/Super Famicom Virtual Boy PC Engine/TurboGrafx 16 (CD) SuperGrafx PC-FX Sega Game Gear Sega Genesis/Megadrive Sega Master System Sony PlayStation - (buggy, alpha state)