[Coco] OS-9/68K raw disk access syntax

[Joel Ewy]

On 01/01/2016 07:34 PM, David Ladd wrote:
> ​​
> I might be wrong, but if memory serves me I think the MM/1's OS-9/68K
> formatted floppies sectors per track starts at 0 rather than 1 like some of
> the older floppy formats use to be.  So may have to take that into
> account.  Sadly I can't verify this at this time as my MM/1 is currently
> packed away.​
>
> ...

You're right about that, as I've discovered.  I think that's causing me 
a problem when trying to image the disks with 'dd' under LInux on a PC.

JCE