This core is based on the Slapfight core. A big thank you to Kold666 who helped me figure out the differences between the Performan and Slap Fight PCBs.
Thank you to the following members of the MiSTer community: Boogermann, misterretrowolf, Sorgelig, Jotego, JimmyStones, Kitrinx & BirdyBro.
ROMs NOT INCLUDED: By using this core you agree to provide your own roms.