HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

                SCAS - Scan String  (Byte, Word or Doubleword)

       Usage:  SCAS    string
               SCASD   (386+ only)
       Modifies flags: AF CF OF PF SF ZF

       Compares value at ES:DI (even if operand is specified) from the
       accumulator and sets the flags similar to a subtraction.  DI is
       incremented/decremented based on the instruction format (or
       operand size) and the state of the Direction Flag.  Use with REP

                                Clocks                 Size
       Operands         808x  286   386   486          Bytes

       string            15    7     7     6             1  (W88=19)

       - see Instruction Timing

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