Re: 6502/6510 ROM selection daughterboard

From: Spiro Trikaliotis <ml-cbmhackers_at_trikaliotis.net>
Date: Mon, 4 Jun 2012 20:37:52 +0200
Message-ID: <20120604183752.GU13544@trikaliotis.net>
Hello,

* On Sun, Jun 03, 2012 at 11:35:22PM +0200 silverdr@wfmh.org.pl wrote:

> >I decoded the PLA equations from the truth table some time ago,
> >can supply.
> 
> Could you maybe publish it? On zimmers for example?

It's already there:

http://zimmers.net/anonftp/pub/cbm/firmware/computers/c64/c64pla.txt

As I wrote elsewhere (cf.
http://cbm-hackers.2304266.n4.nabble.com/6510-handling-of-00-and-01-registers-td4169782.html),
these equations also match the tabular output of the PLA found in the
German book "64 intern" by Data Becker (although the Data Becker book
has some columns intermixed, but these are obvious)

Regards,
Spiro.

-- 
Spiro R. Trikaliotis
http://www.trikaliotis.net/

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Received on 2012-06-04 19:00:06

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