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echo: 80xxx
to: CAMERON CLARK
from: BRIAN MCCLOUD
date: 1997-06-19 05:38:00
subject: Re: Copy Protect (naive q

BM> The first one wouldn't, since diskcopy copies ALL sectors of the source 
dis
BM> regardless of whether or not they're marked as used.  I'm not entirely 
sure
CC> If it copies sectors, it will copy the FAT just as is. The bad sector 
dea
CC> should work fine. I doubt that diskcopy would try to copy info from a
CC> sector marked as bad. Storing ID information at this static location
CC> would circumvent copying.
I just checked, and it tries to copy them anyway... I had a disk with known
bad sectors, and it gave me "Unrecoverable Read Error" for each. It seems to
completely ignore the content of the sectors, or whether they're marked as
used, bad, or unused.  The trick that Ultima IV uses is to not only use a
sector marked as bad, but to use a very unconventional storage format, which
diskcopy can't transfer properly.
((Cloud))
MauveCloud@juno.com
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