[A83] Re: Color Calculators

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[A83] Re: Color Calculators

>Its a test state for the screen.  That command makes a random row go blue.  This >effect fades over time.  There is no known way to target a row or to .limit
>the effect.  There is also no known way to clear it, as the screen maintains
>the line even with batteries pulled.
>
>There is a way to clear it, outputting a certain value, IIRC 18h to port 10.


so wait...  1C to port 10 makes a random row glow blue, and 18 to port 10 stops the effect?
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