Re: DSK image quirk

[Rubywand <rubywand@swbell.net>]

Bill Garber writes ...
> 
> Here's one for the FAQs.
> 
> I tried to open a DSK image with CiderPress, and
> it reported that it was not a valid DSK image, but
> gave no reason otherwise. Then I tried with FishWings,
> and that reported the same but told me that the size
> was 143,361 instead of the required 143,360, so using
> a hex editor I went in and removed one redundant byte
> from the very end of the file and VOILA!, everything
> can now see the image as a normal DSK image. Weird.
> How do you suppose it got an extra byte? It was zipped.
> Is it possible that the program used to compress it added
> the extra byte to alleviate a fractional number of bytes in
> compressed version? Hmmmm, weird.
> 
 ....

     Odd-sized .dsk disk images do crop up from time to time.
They always seem to be a little larger than the correct size.

     Doubt that the problem is compression. More likely 
seeming culprits would be the program which created the .dsk
file or an error during file transfer.


Rubywand