[Coco] Keil under VMWARE or better suggestion

Ciaran Anscomb cocomalt at 6809.org.uk
Tue Mar 11 09:45:27 EDT 2014


Phill Harvey-Smith wrote:
> On 11/03/2014 12:15, Ciaran Anscomb wrote:
> > Mark McDougall wrote:
> >> On 11/03/2014 12:12 PM, Bill Pierce wrote:
> > That's because that image is 40 track double-sided.  Without any header
> > information, XRoar can't tell the difference between that and an 80
> > track single-sided disk.
> 
> Since IIRC a NitrOS9 / OS9 disk has a standard LSN0 that defines the 
> geometry, would it not be possible to have XRoar try examining this if 
> it doesn't find a disk header ? I believe that Mess does if you rename 
> the disk from whatever.dsk to whatever.os9

I could certainly do that by extension, and perhaps optionally just
by analysing the first sector if the values make sense.  I take it the
information here is still ok?

http://www.grempc.demon.co.uk/dragon/info/os9formt.txt

..ciaran



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