OSBYTE &45

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OSBYTE &45 (69) - Test PSEUDO/Absolute usage

   Sideways RAM can either be allocated as holding ROM images or as extended
   memory using pseudo addressing.This call identifies RAM useage:
   On exit X=b0 set if slot 4 is being used as pseudo RAM
             b1 set if slot 5 is being used as pseudo RAM
             b2 set if slot 6 is being used as pseudo RAM
             b3 set if slot 7 is being used as pseudo RAM

See Also

http://mdfs.net/Docs/Comp/BBC/Osbyte00

Jgharston 21:42, 26 May 2009 (UTC)

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OSBYTE