6 lines
240 B
Text
6 lines
240 B
Text
JSR $FFED
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;returns screen width in X and screen height in Y
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dex ;subtract 1. This is more useful for comparisons.
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dey ;subtract 1. This is more useful for comparisons.
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stx $20 ;store in zero page ram
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sty $21 ;store in zero page ram
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