Online HelpPC 2.10      Quick Reference Utility     Copyright 1991 David Jurgens

 
                      CWD - Convert Word to Doubleword                      
                                                                                
                                                                                
        Usage:  CWD                                                             
        Modifies flags: None                                                    
                                                                                
                                                                                
        Extends sign of word in register AX throughout register DX forming      
        a doubleword quantity in DX:AX.                                         
                                                                                
                                                                                
                                 Clocks                 Size                    
        Operands         808x  286   386   486          Bytes                   
                                                                                
        none              5     2     2     3             1                     
                                                                                
                                                                                
        - see Instruction Timing                                                
                                                                                
                                                                                
 

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