Difference between revisions of "OSBYTE &17"

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OSBYTE &17 (23) - Decrement Polling Semaphore
 
OSBYTE &17 (23) - Decrement Polling Semaphore
  
     This call decrements a counter, which when zero will stop the 100Hz
+
     This call decrements a counter, which when zero will stop the (type &15)
    service call (type &15) from being sent to ROMs.
+
    polling calls from being sent to ROMs at 100Hz.
   
 
    Implmented on Electron and MOS 3 onwards.
 
  
* [[OSBYTE &16|OSBYTE &16]] - Increment ROM polling semaphore
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==See Also==
* [[OSBYTE &B3|OSBYTE &B3]] - Master ROM polling semaphore location
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* http://mdfs.net/Docs/Comp/BBC/Osbyte00
* [[OSBYTE &B3|OSBYTE &B9]] - Electron ROM polling semaphore location
 
* [[Paged ROM service calls]]
 
  
[[User:Jgharston|Jgharston]] 21:31, 26 May 2009 (UTC)
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[[User:Jgharston|Jgharston]] 21:32, 26 May 2009 (UTC)

Revision as of 02:13, 8 March 2015

OSBYTE &17 (23) - Decrement Polling Semaphore

   This call decrements a counter, which when zero will stop the (type &15)
   polling calls from being sent to ROMs at 100Hz.

See Also

Jgharston 21:32, 26 May 2009 (UTC)