OSWORD &09

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Revision as of 11:55, 27 May 2009 by Jgharston (talk) (moved OSWORD 09 to OSWORD &09)

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OSWORD &09 ( 9 ) - Read screen pixel value Acorn MOS 1.20

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

http://mdfs.net/Docs/Comp/BBC/Oswords

Jgharston 13:22, 26 May 2009 (UTC)

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OSWORD