I'm going to be upgrading from Win XP to Win 8.1 by the end of the year. Are there any retro emulators that are not compatible with Windows 8.1? A2600/NES/SNES/GB/GBC/GBA/Genesis/TG-16. Are there any well known emulators from those systems that are not compatible with Win 8? I think ZSNES isn't compatible. What else?