Date   : Thu, 30 Nov 1995 17:09:23 +0000 (GMT)
From   : Mark Cooke <mpc@...>
Subject: Re: The Opus Challenger disk system

On Thu, 30 Nov 1995, James Fidell wrote:

> > > Does anybody have any programming information about the Opus 
> > > Challenger disk system?

<snip>

> http://www.OiT.co.uk/~james/BBCMicro/Documentation/wd1770.html
> Anyone know where the document actually came from ?

I seem to recall that I received it from Mike Borcherds, although there 
isn't any acreditation in the file itself. I don't think that he is the
original author - although I stand to be corrected.

> I will be actively maintaining the WWW site, too.

Great. I like the Owl too.

> > I should say that the X-windows bbc emulator has some read only support 
> > for disk drives - probably based on the 1770, and the source is available

> > for you to get some ideas from.
> 
> But which X-Windows one ?

BeebEm - I must have been out of the loop too long that the number of 
emulators has exceeded 2 (Mbe and BeebEm). I must have been working to 
hard not to remember XBeeb :-)

Best regards

Mark

Mark Cooke                             The views expressed above are mine
Systems Programmer                     and do not reflect in any way the
University Of Birmingham               current policy of my employers.