[Coco] SuperIDE, compact flash, and Linux
rlcarr at rlcarr.com
Thu May 15 13:14:00 EDT 2008
jorge_machin at hotmail.com (Jorge Renato Machin Ibarra) writes:
> > 2) Is the size of a HDB-DOS virtual floppy (as it is
> > laid out on the CF card) always the same size, no
> > matter how much or how little is on the floppy?
> > If so (assume for now that size is 158K), can
> > you backup/extract drive 10 (i.e. 11th floppy) with
> > dd bs=158K if=/dev/whatever of=floppy10.dsk skip=10
> > and can you restore/"mount" floppy #10 with
> > dd bs=158K if=floppy10.dsk of=/dev/whatever seek=10
> It works If you use the same disk format/geometry
How do you make sure you do that? Also, what about the
other question? Are the virtual floppies "full size"
no matter how little is on them?
> > 3) If you can do (2), can you do something like that to
> > transfer a .dsk you downloaded (or created via an
> > emulator or when using Rainbow IDE) onto the CF card?
> > Or do those DSK files have "extra" stuff in that that's
> > used by the emulators and cannot be used "as-is" by
> > a real CoCo? I've also notices that some DSK files I've
> > seen online aren't the full 158K.
Given that you said you have to match the format/geometry, how do you
do this with random DSKs you download off the internet?
(And a sidebar to the fantastic Cloud-9 people -- if it is technically
possible, It would be cool if there could be a combined IDE/DriveWire
HDB-DOS that could talk to both virtual floppies on the IDE controller
and virtual floppies over the serial port so you could easily do
backups/transfers as native CoCo data directly between the CF and the
Rich Carreiro rlcarr at rlcarr.com
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