Online HelpPC 2.10      Quick Reference Utility     Copyright 1991 David Jurgens
 
                     AAS - Ascii Adjust for Subtraction                     
                                                                                                                                                                          Usage:  AAS                                                                      Modifies flags: AF CF (OF,PF,SF,ZF undefined)                                                                                                                                                                                                      Corrects result of a previous unpacked decimal subtraction in AL.                High order nibble is zeroed.                                                                                                                                                                                                              
                                 Clocks                 Size                    
        Operands         808x  286   386   486          Bytes                   
                                                                                         none              8     3     4     3             1                                                                                                                                                                                                - see Instruction Timing                                                                                                                                                                                                                    
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