Replace your PLA with PLAster™ for Commodore 64 U17:
· Acts as fully compatible replacement for the U17 PLA chip in most breadbin/longboard revisions including a few very early C64C models;
·
Fully compatible with Super Zaxxon and Epyx
Fastload cartridges
·
Works in revisions 326298 (original), 250407 (A), 250425 (B),
and 250466 (B3);
·
Not compatible with short
boards, i.e. 250469, since those have a 64-pin mega-PLA;
·
Configurable CASRAM delay of 25 or 30ns with DIP switch;
·
When C64 version is used in conjunction with BackBit
cartridge, allows for software controlled KERNAL replacement (with
DIP switch setting);
· "Eyes" switch quiets bus to assist with troubleshooting.