Deckard wrote:
> On Feb 4, 3:28 am, "Michael J. Mahon"  wrote:
> 
>> Has anyone else noticed a problem like this?
> 
> Yes, I noticed it and another problem in the "Compare file" option: if
> files are big, the program detects differences even if the files are
> identical (I discovered it when I was testing .dsk created with
> FASTDSK)

Yes, I've always known about the compare bug, but this was my
first experience with a file copy bug!

Apparently the program uses its directory track buffer address
in place of the data buffer address occasionally.

It must be a peculiar circumstance that exercises the bug, since
I've used 9.1 to copy hundreds of files and never encountered it
until now.  ;-(

-michael

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