2021-02-09 20:22:52 -05:00
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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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2021-02-09 20:43:53 -05:00
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( get mouse button, or break )
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,02 ,02 IOR
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,01 NEQ
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BRK?
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( print A to console on click )
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,02 ,02 IOR
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,41 ADD
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,putbyte JSR
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( paint a white pixel )
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,01 ,01
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,getmouse JSR
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2021-02-09 20:22:52 -05:00
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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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2021-02-09 20:43:53 -05:00
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@getmouse ( push y,x to stack )
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,00 ,01 ,02 IOR ( grab y )
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,00 ,00 ,02 IOR ( grab x )
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RTS
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@putbyte ( print to console )
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,00 IOW RTS
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2021-02-09 20:22:52 -05:00
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|d000 @ERROR BRK
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|FFFA .RESET .FRAME .ERROR
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