Date : Fri, 04 Jun 1999 13:51:16 +0100
From : "Christopher J Thornley" <C.J.Thornley@...>
Subject: Re: BBC software to grab DFS disc images
--0__=qwxFBRBvUV8fxrmWUARafKb62E559d8t5L6raxib9t4hxOPo35p8LDfA
I think you could use a program called !zap to right disk images and other
things to disks.
This is either free ware or share ware and is available from
http://micros.hensa.ac.uk
I'm not to sure if ZAP will right DFS disk images as you might need a filing
system for DFS. I have a version of ArcDFS which is a DFS filing system for the
archimedes but I think it only works on the old WD1773 controller machine i.e.
A300 A400 A3000 series. The company does not exist anymore sine it was taken
over by Dabs Direct.
Chris
Richard Harker <rich@...> on 03/06/99 17:55:15
To: bbc-micro@...
cc: (bcc: Christopher J Thornley/CMS/University of Salford/GB)
Subject: Re: [BBC-Micro] BBC software to grab DFS disc images
In message <199906031056.MAA20408@...>
"Robert Schmidt" <robert@...> wrote:
> Steven Flintham wrote:
> >
> > I'm thinking of (gradually!) copying all of my BBC discs onto my PC's
> > hard disc, so that I don't need to worry about them dying of old age
> > and so that I can use them conveniently in an emulator. Most of them
> > are DFS (only 40T SS as well), so I thought I might as well store them
> > as straight disc images - IIRC there's a `standard' format (.ssd/.dsd
> > extension) for this. Assuming I'm not imagining it:
> >
> > a) Is there any documentation on these formats around?
>
> David A. Gilbert introduced the format (i.e. the sector-by-sector
> layout) with his BeebEm, so the docs for his emulator gives the best
> description there is. Both formats are only straight dumps of the data,
> fairly intuitive - ordering only becomes an issue with .dsd files. I
> think it was my humble self who introduced the extensions - just to make
> it easier to distinguish single/double-sidedness. Size (40/80) can be
> easily determined by the image file size. The formats do not handle
> weird sector sizes.
>
> I have not come across such a program yet.
>
> I've come across some ADFS images - I think Chris Richardson offers some
> ADFS dumps in his excellent 8BS archive. I've never really used them,
> so I don't know their peculiarities. Chris has chosen the extension
> ".A" for such images.
[cut]
Does anyone know of a program for the Archimedes which will write one of
these ADFS images to a disc, or better still let them be used in Risc OS, via
an image filing system (like PC format hard drive partitions)?
ATM the only way I've got of using ADFS images is to write them to ADFS L
disks using FDC on a PC.
Cheers, Rich.
--
====== Risc PC ======= | ===== http://www.cybersheep.force9.co.uk/ ====
==== Intel Outside ==== | ====== Carter USM - The best band ever! ======
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