28 lines
393 B
Plaintext
28 lines
393 B
Plaintext
( draw a single pixel )
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:dev/w fff9 ( keep write port in a const )
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;x 2
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;y 2
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|0100 @RESET
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( set dev/write to screen )
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,01 ,dev/w STR
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,0020 ,x STR^ ( set x-pos )
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,0030 ,y STR^ ( set y-pos )
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( IOW will now send to screen )
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,y LDR^ IOW^ ( y-pos )
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,x LDR^ IOW^ ( x-pos )
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,02 IOW ( color )
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,01 IOW ( redraw )
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BRK
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|c000 @FRAME BRK
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|d000 @ERROR BRK
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|FFFA .RESET .FRAME .ERROR
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