Re: Write .nib files back to disk

[mjmahon@aol.com (Michael J. Mahon)]

Andy McFadden wrote:

>Mark Percival <markREMOVE@syndicomm.com> wrote:
>> What you are trying to do, in theory, should work.  However in
>> practice, it doesn't.  May years ago I spoke to Bob Colbert (aka
>> Saltine) who wrote the program about this.  He believes the problem is
>> a bug in SST that prevents it from properly creating the two dsk files
>> from the original .nib when done from an emulator.  He had no
>> resolution for this problem.
>
>It looks like that much works though, since you can run it in and out of
>SST repeatedly in an emulator and have it work.
>
>Sounds like the problem is on the real Apple II side.  It'd be interesting
>to look at the written tracks in a nibble editor to see if sectors are
>being lost or self-sync bytes aren't getting written.  Or maybe the
>6656-byte track length is getting propagated, and SST on the physical
>hardware can't manage to stuff all 6656 bytes onto the disk.

I expect that SST doesn't verify that the rotational speed of the target
disk will allow it to actually hold 6656 nibbles, and therefore overwrites
part of the track on a fast drive.

If that's the case, then setting a drive a little slow ought to make it
work...

-michael

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