Design files for NeoGeo replacement "chips".

For sale here and here.

Or DIY:

1. Order standard FR4 or flex boards, with soldermask on both sides. Specs are 6/6mil, min hole 3.5mm. Make sure that the fab is able to do castellated holes.
2. Order components from reputable sources like Digikey, Mouser, Farnell, LCSC...
3. Assemble following schematics
4. Program CPLD with JED file if there's one
5. Use !

See paragraphs 11 and 12 of the LICENSE file.

Thanks to GadgetUK164, Rom1 and pnauts for help and testing.