Re: Dating a C-64 board

From: Nicolas Welte (
Date: 1999-04-18 20:09:34

Marko Mäkelä wrote:
> Funny that you had the same thought as me.


> Also, I forgot to suggest in my previous message that maybe someone who
> has built an adapter for reading the contents of 82S100 PLAs could read
> out the truth table from the early PLA.  I don't think that there will be
> any differences; I'm only suggesting this just in case.

I'd also be interested if the monster-PLA from the version E C64s has
the same contents as the old one. I fear that it's not easy to get this
information, mostly because I think that some signals are only internal
of this chip. Second problem is to desolder that huge chip and build an


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