It may be related to video not being blanked properly during the vertical retrace on the CRT... particularly if the dots on each row seem to be regularly aligned (either vertically or most likely skewed).
If the vertical retrace signal lasts for five horizontal scan line times, you would see five lines of pseudo video garbage during the vertical retrace. You might only see the video garbage if the average amplitude of the video signal exceeded some threshold (which apparently occurs when the graph exceeds a certain size). Try displaying one of those wordy help screens or a display with "bold" values enabled and see if the problem appears there. ---------------------------------------- _________________________________________________________________ Stay up to date on your PC, the Web, and your mobile phone with Windows Live. http://clk.atdmt.com/MRT/go/msnnkwxp1020093185mrt/direct/01/ _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
