Port of 4DO/libfreedo to libretro.
Place "panafz10.bin" (required) in your RetroArch/libretro "System Directory" folder.
Compatibility list: http://wiki.fourdo.com/index.php?title=Compatibility_List
TODO: Rework sound, clean up warnings for 64-bit, try optimizations from https://code.google.com/p/3doh/source/list and possibly from https://code.google.com/p/3doplay/source/list