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Atari coding BBS
| Re: Polling V/H retrace status |
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Posted by: Patrice Mandin
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Jul,02.2014-21:33
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Then create a screen with a line length a power of 2, and base address of screen to have many zeroes, so reading the screen counter would give you directly the position of the beam as NNNNYYXX just using some maskings and shift to get Y and X values (with $NNNN0000 being base address for example).
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What's the anti-troll code?
That's your personal code to be able to add comments and messages on the dhs.nu site.
Don't have a code or forgot it? Fix it here.
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