[Coco] Schematic for external PIA, cart protoboard.

[Bruce W. Calkins]

"CookingWith CoCo" in the "Hot CoCo" magazine had a EPROM burner that used a 
6821 or two for programing addressing and data.
Bruce W.
=================

----- Original Message ----- 
From: <camillus.b.58 at gmail.com>> As I remember, we used to have a pia 
controller board that just needed to be inserted. It had address selection 
and decoding, and some LED on one port while the other port was usable
>
> as input. Let me look to my stuff maybe I have some info still laying 
> around.
>
> cb 


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