Online HelpPC 2.10      Quick Reference Utility     Copyright 1991 David Jurgens

 
                     BTS - Bit Test and Set  (386+ only)                     
                                                                                
                                                                                
        Usage:  BTS     dest,src                                                
        Modifies flags: CF                                                      
                                                                                
                                                                                
        The destination bit indexed by the source value is copied into the      
        Carry Flag and then set in the destination.                             
                                                                                
                                                                                
                                 Clocks                 Size                    
        Operands         808x  286   386   486          Bytes                   
                                                                                
        reg16,immed8      -     -     6     6            4-8                    
        mem16,immed8      -     -     8     8            4-8                    
        reg16,reg16       -     -     6     6            3-7                    
        mem16,reg16       -     -     13    13           3-7                    
                                                                                
                                                                                
        - see Instruction Timing                                                
                                                                                
                                                                                
 

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