Date : Tue, 26 Oct 2010 11:13:12 +0200
From : kortink@... (John Kortink)
Subject: Reversing the Tube ULA (destructively)
On Tue, 26 Oct 2010 12:20:53 +1030, Paul Asin <station240@...>
wrote:
>[...]
>
>One problem, there are actually 3 different versions of the TUBE
>chip. One is the original 6502 cheese wedge, one is for the 6502/
>80186 internal copros (pn: 2201,266),I forget what the 3rd one is.
As far as I know, there are only two. The Ferranti one, and the
AMI one. Perhaps you're thinking about the hacky alternatives
(one design uses a 6522).
John Kortink
--
Email : kortink@...
Homepage : http://www.inter.nl.net/users/J.Kortink
GoMMC, the ultimate BBC B/Master/Electron storage system :
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ReCo6502, the Acorn 6502 Second Processor on steroids :
http://web.inter.nl.net/users/J.Kortink/home/hardware/reco6502