[Coco] Creating a real floppy from a dsk image over drivewire

[Robert Gault]

J.P. Samson wrote:
> On Jul 31, 2009, at 8:11 PM, Michael Furman wrote:
>> On Jul 31, 2009, at 6:28 PM, Michael Furman wrote:
>>> I have found myself without a linux pc with a real floppy drive and 
>>> need to create a real floppy disk from a dsk image that I have on my 
>>> Mac.  Is there any way to do this?  I have tried various things like 
>>> playing with the drive on/drive off command in hdb dos, and also 
>>> trying in nitros9 doing backups from /xN to /d0, and also backup f 
>>> blah.dsk /d0 with no luck.
>>
>> Let me clarify a slight ambiguity in my previous message - I have a 
>> Coco 3 with a pair of 3.5" drives attached and also have Drivewire 3 
>> running on my Mac laptop but lack my Linux PC that I would normally 
>> use to create live floppies from the various .dsk and .os9 images I 
>> have around.
> 
> I haven't used DriveWire for a few years, so I can't remember the 
> commands correctly or even test this out...
> 
> I think the basic idea of copying virtual disk images from a PC through 
> DriveWire onto a CoCo with floppy goes something like this:
> 
> DRIVE ON
> DSKINI 4
> BACKUP 0 TO 4
> DRIVE OFF
> BACKUP 4 TO 0
> 
> Mount the disk image you are interested in in DriveWire.  Create a 
> blank, high-numbered virtual floppy to temporarily hold the disk image 
> (e.g. virtual disk #4 in this case).  Copy the virtual disk image up to 
> this temporary space (e.g. from virtual disk #0 to #4).  Then disengage 
> DriveWire from commandeering the real floppy drive numbers, and backup 
> that temporary virtual floppy onto a real floppy in the CoCo.
> 
> -- JP
> 

Those are HDBDOS or RGBDOS commands. With Drivewire, a disk mounted on 
the PC will be one of 0-3 with floppies On, but the same disk will also 
be drives 4-255 as well. It is confusing. :)