Difference between revisions of "OSWORD &09"

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[[Category:OSWORD]]
 
[[Category:OSWORD]]
OSWORD &09 ( 9 ) - Read screen pixel value Acorn MOS 1.20
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{{PageTitle|OSWORD &09 (9): Read screen pixel value}}
 
 
 
  On entry:
 
  On entry:
 
   XY+0..1=X coordinate
 
   XY+0..1=X coordinate

Latest revision as of 16:45, 21 November 2021

OSWORD &09 (9): Read screen pixel value
On entry:
 XY+0..1=X coordinate
 XY+2..3=Y coordinate
On exit:
 XY?4=pixel value, or &FF if the point was off screen or
  non-graphics screen mode.

See Also

Jgharston 13:22, 26 May 2009 (UTC)