OSBYTE &EF

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OSBYTE &EF (239) - Read/Write shadow state

   This location is used by OsByte 111 and 114.
   The value   0 indicates no shadow screen or shadow screen not selected
               1 indicates Electron Master RAM Turbo mode
             128 indicates Electron Master RAM 64K mode

See Also

http://mdfs.net/Docs/Comp/BBC/OsbyteA6

Jgharston 23:12, 26 May 2009 (UTC)

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OSBYTE