RE: (Fwd) RE: 1541IDE and 1541IDE-S

From: Pete Rittwage (
Date: 2007-12-03 17:49:19

> Hallo Pete,
>> Yes, we could detect track capacity and just dump a track cycle.
>> There is an issue where we would need more memory ....
> Why? You know you roughly need to dump 8000 bytes = 32 sectors. You can
> program an IDE harddisk to receive 32 sectors in a row and just by using
> the same command, "  sta IDEdata", over and over. Thus no RAM needed,
> problem solved :)

Yes, but to detect the track start/end (cycle) we need to be able to see
all the data in memory at once to detect the gap.  For reading, it is
correct that we can just dump 8192 bytes (that's what we do with MNIB now)
but to put it back you need to process it a little.


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