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Ahoy 1986 November
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Ahoy_Magazine_86-11_1986_Double_L.d64
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dir probe.txt
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DIRECTORY PROBE COMMENTS
by Phyrne Bacon
DIRECTORY'PROBE prints the disk
directory. It prints the track/sector
of each directory block followed by
the eight entries for that block, the
beginning track/sector for each
entry, the complete disk block chain
for each entry, and all of the disk
block chain fragments; that is, disk
block chains that are not connected
to the directory. Complete block
chains and the fragments are
optional.
If the disk block chain of a
directory entry does not have the
length indicated in the directory,
the message "WRONG LENGTH" is
printed, which indicates that the
file has been overwritten.
Scratched files are indicated by ---
or 0 in the PRG-column. Unused
entries are indicated as beginning at
track 0, sector 0.
DIRECTORY'PROBE can be used with
DISK'EDITOR to recover from a short
new:
pass"n:name" //without id.
The command pass"n:name,id" erases
everything, but the command
pass"n:name" (without ",id") just
erases block 18-1 and clears the BAM.
See Disk Directories II: Recovering
from pass"n:name".