Xerox 820 system disks in Teledisk format?

Dave Dunfield dave09 at
Mon May 11 22:50:34 CDT 2009

> On 9 May 2009 at 6:13, Dave Dunfield wrote:
> > ImageDisk is NOT a CP/M emulator like 22disk - it knows (or cares)
> > nothing about high level disk formats (file systems). Although it has
> > a F)ormat command, it's is a LOW-LEVEL format only and does not create
> > a recognisable file system. It is mainly for testing and the creation
> > of custom disks.
> Beg pardon, Dave.  22Disk doesn't emulate anything.  It converts (and 
> can format), but doesn't emulate.  That's 22Nice's job.

Bad choice of words (given 22nice) - I was referring to it's
ability to read/write CP/M diskettes...

> For that matter, if all one wanted to do was to create an arbitrary 
> blank disk with different formatting on each track, Anadiisk's often-
> overlooked format feature can do some pretty bizarre stuff.

dave09 (at)    Dave Dunfield
dunfield (dot) Firmware development services & tools:
com            Collector of vintage computing equipment:

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