OSBYTE &6C

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OSBYTE &6C (108) - Main/Shadow RAM Usage 

   Y=0 X=0 Main memory appears from &3000 to &7FFF
       X=1 Shadow memory appears from &3000 to &7FFF
   This has immediate effect and allows the user to make use of the 20k of
   extra RAM for other purposes.

See Also

Jgharston 21:15, 26 May 2009 (UTC)

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