Re: PLA replacement with 22V10

From: Michał Pleban <>
Date: Tue, 26 Mar 2013 17:25:09 +0100
Message-ID: <>

Anders Carlsson wrote:

> Nicolas Welte once uploaded a 20V8 design to be used for the UE5 on a 8296.

I can see it uses one GAL chip only. This has too little input pins for
a C64 PLA. One GAL can be used in 610 or 710 (only 8 inputs required).

> Not sure how it differs from an EPROM solution, and whether it could be
> adopted to other types of PLA. At least I've understood that the most
> recent SuperPLA Multi has options for C64, Plus/4, 1551, C610, C710 and
> 8296 UE5 so perhaps it is possible to reuse above GAL design?

As I understand, the SuperPLA uses some kind of a CPLD which can perform
functions similar to a GAL.

Generally I this that the SuperPLA project is very nice, but it requires
SMD soldering (which I can't do, and probably many people neither) and
is expensive to buy (18 EUR). I am looking for something that can be
easily made at home (GALs are through-hole so can be soldered easily)
and for much lower price.


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Received on 2013-03-26 17:00:41

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