Date   : Mon, 02 Mar 2009 14:07:59 +0000 (GMT)
From   : tommowalker@... (Tom Walker)
Subject: Fwd: New Screen Modes with ARM7 Co-Processor?

> I suppose you could put a local CRTC on the copro and do some fun 
> things that way - turn your beeb into some kind of CAD station...
> 
> I don't know if anyone ever did that back in the day - although some 
> copros had other local interfaces (e.g. SASI on the Cumana, serial
> on the Torch Tosca, disk on the Torch Graduate etc.).  Maybe there's
> local video on the A500 copro (Dave/Chris?)  although whether it was 
> usable in practice if so, I'm not sure.

Some of the later A500 copros had VIDC chips on, I suspect that would be 
usable (otherwise why would they have bothered?). Whether it would be of
any _practical_ use I don't know, essentially by that point you've got an
Archimedes with a BBC hanging off the end.

Tom