Subject: Re: Disk images-- ShrinkIt .sdk on dsk's
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From: Rubywand <rubywand@swbell.net>
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Date: Wed, 07 Jul 1999 23:12:03 -0500
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Jeff Blakeney writes ...
> 
> On Wed, 07 Jul 1999 13:47:11 -0500, Rubywand <rubywand@swbell.net>
> wrote:
> 
> >     Except, NuLib will not (as far as I know) work with ShrinkIt .sdk files
> >which include compression-- which is pretty nearly all .sdk files.
> 
> I'm not sure what you mean but NuLib uncompresses .SDK files without
> any problems that I know of.
 ....

     Well, DUH! Like it does seem to. (At least Nulib v3.24 does.) Thanks for
the info!

     Tried an experiment with DOS 3.3 and ProDOS ShrinkIt whole-disk 5.25" .sdk
files (both include compression).


Example: Go to the MS-DOS prompt (from Win95) and, in the DOS window, get to
the Nulib folder (where the .sdk files have been copied to simplify things).

   enter this--> nulib X copy2p55.sdk

   and the result is a disk image file.


     Both the DOS 3.3 and ProDOS .sdk files came out as perfectly good
143,360-byte disk images. Changed the file names to end with ".dsk" and they
booted fine under AppleWin.


> I just tried it and it works fine with ProDOS 5.25" .SDK files but I
> had problems doing it with DOS 3.3 5.25" .SDK files and I'm not sure
> why.
 ....

     Me neither. Maybe there are some 5.25" whole-disk ShrinkIt files that
don't work-- seems like I may have run into one and decided Nulib couldn't
handle compressed .sdk's. Possibly, there is a problem with .sdk files created
by GS-ShrinkIt (usually, I use 8-bit ShrinkIt to create 5.25" .sdk files).

     In any case, a ProDOS .sdk file and two DOS 3.3 .sdk files tried all
turned out okay as disk images. Thanks, again, for clearing things up!

Rubywand