On Tue, Feb 28, 2006 at 11:11:36AM +0000, Ralph Corderoy wrote:
> 
> Hi Peter,
> 
> > Does anyone have a blank (or even full) ST506 disk image to that they
> > could put up for download somewhere. (and also the lines from their
> > .arcemrc for configuring it).
> 
> No, but can't you just create a file of zeros the right size and run
> HForm on it under the emulator?  For a 20MiB one:
> 
>     dd if=/dev/zero of=blankst506.img bs=1024 count=20480
> 
> I think that's what I've done in the past IIRC.
> 

Thanks for this, I figured out another way which I'll post here. For some 
reason I had the following lines in my arcemrc for which I have no memory 
:)

MFM disc
1 612 4 32 256

I took a guess this was related to the initial Arcem package I'd installed 
years ago and downloaded the 20MB ext2 image from Dave Gilberts page
ftp://ftp.arm.uk.linux.org/pub/linux/arcem/

I then took a hform ADF from the Arculator site and renamed the ADF 
FloppyImage0 (incidentally does anyone know why the default names for 
floppies go 0-3 and ST506 drives go 1-4)
http://b-em.bbcmicro.com/arculator/download.html

Then ran HForm on disc 4 and picked the first option off the list
20Mb Miniscribe 8425

There were some warnings about out of range cylinders, this is probably 
becase the known shape of a Miniscribe disc is different to the shape 
described in the MFM Disc config line above. Seemed to work though.

Peter

-- 
Peter Howkins
[EMAIL PROTECTED]


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