via http://www.emucr.com/

Genesis Plus GX SVN r873 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:
r864
[libretro] added support for Master System homemade multitap
r866
[libretro] added current Win32 build to repository
r871
[Core/IO] change Master System multitap "official" name
r872
[Core/MD] fixed ROM padding for Sonic & Knuckles
r873
Updated latest builds

https://www.sendspace.com/file/850u3l