Date   : Wed, 21 Feb 1996 12:48:47 +0000 (GMT)
From   : Iain Benson <I.Benson@...>
Subject: Re: Filing systems & Repton problems

On Wed, 21 Feb 1996, David Alan Gilbert wrote:

> > ; 1. Write my own filing system
> > ; 2. Write an 8271 emulation
> > ; 3. Use DOS files as BBC files (With an additional header/catalogue
file)
> > 
> > I trap certain OS calls to give a high speed 'cassette' system. All files
> > have a 10 byte header.
> > 
> > Anyone any ideas how to implement the disk FS easily? :)
> 
> An 8271 emulator really isn't THAT hard; to be honest I did it because I
> considered it easier than intercepting all the calls.  Admittedly I've
> never got around to doing 'write' emulation on it.
> (I actually also wrote a 1772 emulator with write but never got around
> to merging it with my beeb emulator).
> 
> Dave
> 
> 

Would you be able to create a version of your emulator that uses the 1772 
emulation for the disk controller, as I believe that that is the one that 
is needed to use the BBC B ADFS ROM, and most of my disks are ADFS 
format, as the last BBC computer I used was a Master.

Iain Benson                                       "Just because you are
paranoid
I.Benson@...                                     doesn't mean
to say they
Software Engineering Student                             aren't out to
get you."
The University Of Hull, UK                                 - Fox Mulder,
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