[Coco] DriveWire - test results using the now free code

Steven Hirsch snhirsch at gmail.com
Sat Mar 7 11:10:57 EST 2009

On Sat, 7 Mar 2009, Robert Gault wrote:

> There are four new descriptors in the OS-9 version of DriveWire, /DD and 
> /X1-/X3. Each of these descriptors is set for a 32,768 sector, $400 track, 1 
> side, $20 sector per track .os9 image as reported by dmode and free. That is 
> very different from the standard .vhd image of $5A000 sectors with $5A 
> tracks, $40 sides, and $40 sectors per track.
> I was able to mount my .vhd image in Winserver as drive #1 and read the OS-9 
> section correctly without changing the /X1 descriptor. However, if I were 
> going to use the .vhd image via DriveWire it would be much safer to change 
> the descriptor to match the .vhd image.

Any possibility of a quick tutorial on patching media descriptors?


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