Difference between revisions of "OSBYTE &74"

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     Electron:
 
     Electron:
       This call enters with 'some parameter' in X which resets the built in
+
       This call has no parameters, and resets the built-in sound system
      sound system
 
 
      
 
      
 
     Solidisk ROM/RAM Extension:
 
     Solidisk ROM/RAM Extension:
 
       Determine shadow RAM system installed
 
       Determine shadow RAM system installed
       On exit: X='S' - Solidisk ROM/RAM extension
+
       On exit:
              X unchanged - No shadow RAM or Acorn shadow RAM
+
          X='S' - Solidisk ROM/RAM extension
 +
          X=&FF - No shadow RAM or Acorn shadow RAM
  
==See Also==
+
==See also==
* [[OSBYTE &6C]] - Select Master shadow memory
+
* [[OSBYTE &49]] - Check for Integra-B shadow memory
 +
* [[OSBYTE &6C]] - Select Master/Integra-B shadow memory
 
* [[OSBYTE &6F]] - Select BBC B shadow memory
 
* [[OSBYTE &6F]] - Select BBC B shadow memory
 
* [[OSBYTE &70]] - Select memory for Master VDU access
 
* [[OSBYTE &70]] - Select memory for Master VDU access
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* http://mdfs.net/Docs/Comp/BBC/Osbyte00
 
* http://mdfs.net/Docs/Comp/BBC/Osbyte00
  
[[User:WikiSysop|WikiSysop]] 00:25, 29 August 2013 (BST)
+
----
 +
[[User:Jgharston|Jgharston]] ([[User talk:Jgharston|talk]]) 01:14, 4 April 2015 (UTC)

Latest revision as of 19:28, 22 January 2021

OSBYTE &74 (116) - Reset internal sound system/Check for Solidisk RAM

   Electron:
     This call has no parameters, and resets the built-in sound system
   
   Solidisk ROM/RAM Extension:
     Determine shadow RAM system installed
     On exit:
         X='S' - Solidisk ROM/RAM extension
         X=&FF - No shadow RAM or Acorn shadow RAM

See also


Jgharston (talk) 01:14, 4 April 2015 (UTC)