28 lines
433 B
Plaintext
28 lines
433 B
Plaintext
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( draw pixel )
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|0100 @RESET
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( draw 3 pixels )
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,00 ,01 ,0000 ,0000 ,putpixel JSR
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,00 ,02 ,0001 ,0001 ,putpixel JSR
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,01 ,03 ,0002 ,0002 ,putpixel JSR
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BRK
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|c000 @FRAME
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,01 ,01 ( redraw color )
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,00 ,01 ,02 IOR ( grab y )
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,00 ,00 ,02 IOR ( grab x )
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,putpixel JSR
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BRK
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@putpixel
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SWP ,01 IOW ,01 IOW ( y )
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SWP ,01 IOW ,01 IOW ( x )
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,01 IOW ( color )
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,01 IOW ( redraw )
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RTS
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|d000 @ERROR BRK
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|FFFA .RESET .FRAME .ERROR
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