[BBC-Micro] Reversing the Tube ULA (destructively)

Pete Turnbull pete at dunnington.plus.com
Thu Oct 28 19:54:13 BST 2010

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

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