[sebhc] h17 and h8d disk images

Dwight K. Elvey dwight.elvey at amd.com
Wed Sep 1 21:17:14 CDT 2004

>From: "Barry Watzman" <Watzman at neo.rr.com>
>Personally, if I was writing an image program, I'd record each track's
>sectors in the order in which they physically occurred on the track AND I'd
>also record, in each sector's data contents, the track and sector number
>recorded in that sector's header.


 Although, it is possible to acquire this information through
the current H17 disk controller, my primary purpose was
to move standard disk from machine to machine when I wrote
the image transfer program. I realize that there could be
all kinds of protection methods used. Trying to predict
them all was not my intent. There are some that without
knowing how it was done might not be reliably read with
a one size-fits-all type program.
 If I was doing it over, I suspect that I might today have
it a little more robust.

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