Date   : Thu, 28 Oct 2010 19:54:13 +0100
From   : pete@... (Pete Turnbull)
Subject: Reversing the Tube ULA (destructively)

J.G.Harston wrote:
> Jules Richardson wrote:
>> The interesting ones might be the Springboards (can't tell from my photos,
>> sadly - I never took snaps of the underside of the boards) and the   
>> A500 "copro version" as they may have done things differently.
> 
> Those are the two CoPros I don't have circuit diagrams for. Anybody
> got a copy?

I've never traced the circuit, but I do have a Tube card to connect an 
A500 to a Beeb.  There's not a lot on the card.  Must get a round tuit...

-- 
Pete                                           Peter Turnbull
                                               Network Manager
                                               University of York