It seems its already done
Snes9x v3.0 released - GBAtemp.net
Snes9x v3.0
SNES9X v.3.0 emulator by LoPsT
It is based on the version SNES9X 1.43 v.0.1.2beta1
This version includes:
-- Support for 2 Wiimote (fast connection)
-- Support Command classic
-- Support Nunchuk
-- Support SD Front (to load roms and savegames)
-- Support savegame direct gcram
-- Support for long file name.
-- Support for compressed files in ZIP
-- Support exit to the menu of Homebrew Channel.
-- Support for consoles with RGB cable PAL60 (finally!)