via http://www.emucr.com/

Genesis Plus GX SVN r711 is compiled. Genesis Plus GX is a port of Genesis Plus. Genesis Plus GX is an open-source & portable Sega Mega Drive / Genesis emulator, originally developed by Charles MacDonald, now running on the Gamecube and Wii through libogc & devkitpro.

Genesis Plus GX SVN Changelog:
r710
added libretro port (credits to Themaister/Squarepusher)
r711
[SCD] improved synchronization between PCM chip & SUB-CPU (Willy Beamish)
[SCD] fixed PCM waveform sign bit and output precision

http://www.mediafire.com/?bukf9re8vaj90gw