Date   : Mon, 22 Jul 2002 13:45:20 +0100
From   : Philip Blundell <pb@...>
Subject: Re: Torch Z80

On Mon, 2002-07-22 at 13:36, Dawn and Austin wrote:
> Does anyone use an internal Torch Z80 second processor?  I think I just got
> one..... Picked up a Master the other day and found a ribbon cable extending
> from the Tube and going inside the case.  I followed the cable to a strange
> little board with a Z80 on it.  Has anyone got one working, and where might
> I get CP/M from to try it out?

I think I have a set of Torch disks that I could copy for you. 
Presumably I also have the board itself, though I haven't seen it for a
few years.

> I also have another master with an extra port added to the back.  It's
> round, has about 20 pin holes in it and a screw bezel.  The board inside the
> case it connects to has no identifying marks on the PCB save the word
> 'genlock' and individual wires soldered to various points on the main board.
> I don't have any more details to hand at the mo' (computer is at home, I'm
> at work) but I was wondering if anyone could straight away say 'I know what
> that is!'.  Maybe something to do with video digitising or a touchscreen?

It'll be a sync input to let you slave the Master's display output to an
external timing source, so you can overlay captions onto a video stream.

p.