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

Esc or Alt-X to exit aas Home/PgUp/PgDn/End ←↑↓→
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