GSnes9x is a GNOME front-end for the Snes9X SNES emulator.  It
allows you to set and preserve the options for a particular ROM
when running it, and to set global options for new ROMs being
included.  It also keeps a Cheat Codes database for each ROM, where
you can save as many codes as you want.

WWW: http://sourceforge.net/projects/gsnes9x