Date   : Fri, 29 Oct 2010 17:38:30 +0100
From   : pete@... (Pete Turnbull)
Subject: Reversing the Tube ULA (destructively)

Jules Richardson wrote:
> Pete Turnbull wrote:

> 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...

> I was talking about the A500 coprocessor (of which I know of a couple of 
> survivors, although one is missing a few bits) which was used as a development 
> system within Acorn, not the later A500 system (curse you, Acorn, for having 
> two separate things with the same name!).

Ah yes, I'd forgotten there were two, even though you've told me that 
before.  Sorry!

-- 
Pete                                           Peter Turnbull
                                               Network Manager
                                               University of York