Genesis Plus GX Wide, a Sega 8/16bit emulator to the libretro API (source files)
Genesis Plus GX is a Sega Genesis, Mega-CD, Game Gear, SG-1000 and Master System (Mark-III) emulator. Its main focuses are accuracy and performance. It is based off the original Genesis Plus by Charles McDonald. This is a fork which adds true widescreen support to the original core.