Difference between revisions of "OSBYTE &74"

From BeebWiki
Jump to: navigation, search
m (1 revision)
Line 1: Line 1:
 
[[Category:OSBYTE]]
 
[[Category:OSBYTE]]
−
OSBYTE &74 (116) - Reset internal sound system/Check for Solidisk RAM
+
OSBYTE &74 (116) - Reset internal sound system
  
−
     Electron:
+
     This call enters with 'some parameter' in X which resets the built in sound
−
      This call enters with 'some parameter' in X which resets the built in
+
     system
−
      sound system
+
     (Solidisk ROM/RAM Extension)
−
      
+
    Determine shadow RAM system installed
−
     Solidisk ROM/RAM Extension:
+
    On exit: X='S' - Solidisk ROM/RAM extension
−
      Determine shadow RAM system installed
+
            X unchanged - No shadow RAM or Acorn shadow RAM
−
      On exit: X='S' - Solidisk ROM/RAM extension
 
−
              X unchanged - No shadow RAM or Acorn shadow RAM
 
  
 
==See Also==
 
==See Also==
−
* [[OSBYTE &6C]] - Select Master shadow memory
 
−
* [[OSBYTE &6F]] - Select BBC B shadow memory
 
−
* [[OSBYTE &70]] - Select memory for Master VDU access
 
−
* [[OSBYTE &71]] - Select memory for Master video display
 
−
* [[OSBYTE &72]] - Select future use of shadow memory
 
−
* [[OSBYTE &73]] - Select shadow bank
 
−
* [[OSBYTE &74]] - Check for Solidisk shadow memory
 
−
* [[Paging in video memory]]
 
 
* 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]] 21:52, 26 May 2009 (UTC)

Revision as of 02:13, 8 March 2015

OSBYTE &74 (116) - Reset internal sound system 

   This call enters with 'some parameter' in X which resets the built in sound
   system
   (Solidisk ROM/RAM Extension)
   Determine shadow RAM system installed
   On exit: X='S' - Solidisk ROM/RAM extension
            X unchanged - No shadow RAM or Acorn shadow RAM

See Also

Jgharston 21:52, 26 May 2009 (UTC)

Retrieved from "http://beebwiki.mdfs.net/index.php?title=OSBYTE_%2674&oldid=524"