Messages in this thread | | | Date | Wed, 28 May 2008 09:42:57 -0400 | Subject | Re: floppy question of the hour | From | (Lennart Sorensen) |
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On Tue, May 27, 2008 at 05:49:18PM -0400, Phillip Susi wrote: > Yes, the interleave slows you down, since after accessing sector 1, the > head must wait to pass over 3 other sectors before finally reaching > sector 2, therefore, you can only read 1/4 of the sectors on the track > each revolution of the disk. That leaves 4 revolutions at 300 rpm > giving 0.8s to read a track, or 64 seconds to read all 80 tracks, plus > seek time. That still does not explain 3 minutes though... not sure > what else could be slowing you down.
Just do what the Amiga did: Read the entire track into a buffer in memory, then deal with the sectors, and write the entire track back. :)
-- Len Sorensen
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