bizhawk 2.3
BizHawk is a an emulator for multiple game system home computers. It's written in C#, provides full-screen viewing, joypad and joystick support, as well as development and debugging features for all emulated CPUs and hardware platforms. It supports NES, SNES, N64, Gameboy/Color/Advance, Sega Master System, Genesis, Saturn, SG-1000, Game Gear, PC-Engine (TGfx-16), Atari 2600/7200, SuperGrafx, ColecoVision, TI-82, Wonderswan, PSP, PSX, and C64.