HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

                     DAS - Decimal Adjust for Subtraction


       Usage:  DAS
       Modifies flags: AF CF PF SF ZF (OF undefined)


       Corrects result (in AL) of a previous BCD subtraction operation.
       Contents of AL are changed to a pair of packed decimal digits.


                                Clocks                 Size
       Operands         808x  286   386   486          Bytes

       none              4     3     4     2             1


       - see Instruction Timing

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