20120625 165505 SwinSid replica Running with EPROM based PLA substitute

SwinSid replica Running with EPROM based PLA substitute. 2 PLA substititues used. An original ST M27C512 EPROM the other a Chinese knockoff ST M27C512 OTP PROM. Based on research from Eslapion. https://www.melon64.com/forum/viewtop...