OSBYTE &17

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OSBYTE &17 (23) - Decrement Polling Semaphore

   This call decrements a counter, which when zero will stop the 100Hz
   service call (type &15) from being sent to ROMs.
   
   Implmented on Electron and MOS 3 onwards.

Jgharston 21:31, 26 May 2009 (UTC)