|Argh, what a mess! This whole section needs to be cleaned up.
|
|It seems to be trying to decide if the file you are scoping out, is on
|Drive 0, Drive 1, or whether the disk drive should check both drives
|exhaustively; there seem to be 3 possibilities. I notice that DRVCNT
|can have a value from 0 to 3. -Although I am only familiar with the
|MSD-2 dual disk drive, apparently somebody somewhere imagined that
|a 1541 might be built with 4 slots for 4 different diskettes?
Surely I'm not too far off the mark when I say that, encountering
a secondary address, the disk drive must examine the channels
already opened, to see if that secondary address is already
in use, and then if it is, check what drive is associated with
it?
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