I am playing with a RetroPie based gaming system on an rpi3 and all nes and snes games I tried worked without any problem. It even works for PS1,though I only tried one game so far.
Dos games are hit or miss, and it does horribly for N64.
Dos games are hit or miss, and it does horribly for N64.
Use an optimized video plugin, such as (shameless plug): https://github.com/tachiweasel/mupen64plus-video-videocore