root42 on Nostr: The Sharp LH5062B is the so called „Super PLA“ in the Commodore short boards. It ...

The Sharp LH5062B is the so called „Super PLA“ in the Commodore short boards. It combines the old PLA with some additional logic to replace most of the ICs that were on the original boards. I wonder: is this based on an existing Sharp design, or did they simply manufacture this for Commodore based on a custom design?
#retrocomputing #commodore #c64