Online HelpPC 2.10      Quick Reference Utility     Copyright 1991 David Jurgens

 
                    INVD - Invalidate Cache  (486+ only)                    
                                                                                
                                                                                
        Usage:  INVD                                                            
        Modifies flags: none                                                    
                                                                                
                                                                                
        Flushes CPU internal cache.  Issues special function bus cycle          
        which indicates to flush external caches.   Data in write-back          
        external caches is lost.                                                
                                                                                
                                                                                
                                  Clocks                Size                    
        Operands         808x   286   386   486         Bytes                   
                                                                                
        none              -      -     -     4            2                     
                                                                                
                                                                                
        - see Instruction Timing                                                
                                                                                
                                                                                
 

[helppc.bosbyte.nl]                  invd                     Home  Back  Topics