OSBYTE &9B

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OSBYTE &9B (155) - Write to Video ULA palette register and RAM copy

   This call places X into register 1 of the 6845, and updates the RAM copy
   (Electron OS only)
   Completely ignored, performing an RTS immediately

See Also

http://mdfs.net/Docs/Comp/BBC/Osbyte80

Jgharston 22:11, 26 May 2009 (UTC)

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OSBYTE