Commodore 1520 Plotter SIN/COS Bug

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Uploaded by on Nov 6, 2009

The Commodore 1520 Printer/Plotter manual contains a demo program called "Geometric Design" The listing in the manual contains two bugs. This illustrates what the bug looks like. There should be two SIN functions and two COS functions.

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  • Why is it drawing like "THAT" instead of like that other video?

  • printer service manuals: refillbros com manuals

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