Web site:(taken from http://code.google.com/p/snes9x-gx/)
A Super Nintendo emulator based on Snes9x, ported to the Wii and GameCube. The GUI is powered by libwiigui.
Features (for Gamecube)
* Based on Snes9x 1.52
* SNES Superscope, Mouse, Justifier support
* Cheat support
* Auto Load/Save Game Snapshots and SRAM
* Custom controller configurations
* SD, DVD, Zip, and 7z support
* Autodetect PAL/NTSC, 16:9 widescreen support
* Original/filtered/unfiltered video modes
* Turbo Mode - up to 2x the normal speed
* Zoom option to zoom in/out
* Open Source!
Snes9x GX current version - Download