2 layers20.5 × 37.7 mm

82S1xx W27C512 Adapter
SukkoPera/OldPromAdapter
Replace 82s126/82s129/82s131 PROMs with (E)EPROMs
5 parts18
KiCad boards from 3 GitHub repositories tagged “retrogames”, the most starred first; open any of them in PCBKit.

SukkoPera/OldPromAdapter
Replace 82s126/82s129/82s131 PROMs with (E)EPROMs


SukkoPera/NessieSoup
Connect a Super Nintendo controller to your Commodore 64/128/+4/VIC-20/PET