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Date   : Thu, 23 Jul 2009 01:00:55 +0100
From   : andrew.hancock@... (Andrew Hancock)
Subject: DDOS question - MSHIFT question

also ACP's Advanced Disc Toolkit, have *MLOAD, *MRUN, and *MOVE (similar to
*MSHIFT!)

Andrew

-----Original Message-----
From:
bbc-micro-bounces+andrew.hancock=cyrus-consultants.co.uk@...
[mailto:bbc-micro-bounces+andrew.hancock=cyrus-consultants.co.uk@...
9.co.uk] On Behalf Of John
Sent: 22 July 2009 21:24
To: bbc-micro@...
Subject: Re: [BBC-Micro] DDOS question - MSHIFT question

I've discovered an old Watford 1.54 DDFS which seems to read the disks ok -
but does anyone remember which ROM used the commands MLOAD and MSHIFT?
(MSHIFT to move memory contents)

 

I need something to either shift the memory around for my old tape to disk
games, or a way of using the BBC+ 64k please?

 

Thanks 

 

 

John

 

________________________________

From: bbc-micro-bounces+blip=blipit.com@...
[mailto:bbc-micro-bounces+blip=blipit.com@...] On Behalf Of
John
Sent: 22 July 2009 19:38
To: bbc-micro@...
Subject: [BBC-Micro] DDOS question - To decode or not decode

 

Hi All

 

Is there any way to 'decode' a disk format using a Beeb?

 

I have some disks which used a DDFS/DDOS filing system and I am not sure if
they were recorded using Watford or Opus DDOS/DDFS

 

All I have to test is a fairly standard BBC+

 

I don't want to send off for ROMs that either will not work in a BBC+ or
will not read the disks.

 

I'm guessing an Acorn standard disk filing system ROM will be unsuitable
because the filing system will just fail to read.

 

Failing all this, can I send a couple of disks off to a volunteer with a
range of filing systems to test?

 

Just to make life interesting, the disks have been boxed up in various
environments for about 20 years, so not sure how reliable they are!

 

Regards

 

 

 

John T.

 

 
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