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Old 28 March 2012, 03:19   #61
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Location: Sidcup, England
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Originally Posted by clenched View Post
It could also be that the line is partially written when screen is scanning near the bottom but not quite complete before the top line is drawn. The video memory would only have been partially refreshed then. The video buffer would have bits of the new and previous screen.
Hmm... Perhaps we're reading too much into these erroneous numbers. I must admit I was surprised whenever I saw the track numbers changing, because I never heard the drive heads stepping.

Originally Posted by clenched View Post
EDIT: It's too bad that Gary, the guy who needs this thing, is having the most trouble with it.
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