Re: 6502/6510 ROM selection daughterboard

From: Gerrit Heitsch <*gerrit_at_laosinh.s.bawue.de*> Date: Tue, 05 Jun 2012 17:52:55 +0200 Message-ID: <4FCE2B57.7070802@laosinh.s.bawue.de> · gerrit_at_laosinh.s.bawue.de

On 06/05/2012 05:28 PM, Michał Pleban wrote:
> Hello!
>
> Bil Herd wrote:
>
>> Does the community have the actual PLA terms as source for the various
>> devices or are they all/mostly reverse engineered?
>
> The only ones I found were for Commodore 500 - they are on the last page
> of schematics on Zimmers. I verified my equations and they appear to
> match. Apart from that, I never saw any equations directly from
> Commodore, only reverse engineered.

The system manual for the 264 series hat a PLA chart in it. I assume 
that it's for the 251641-02.

  Gerrit

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