HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

                           STD - Set Direction Flag


       Usage:  STD
       Modifies flags: DF


       Sets the Direction Flag to 1 causing string instructions to
       auto-decrement SI and DI instead of auto-increment.


                                Clocks                 Size
       Operands         808x  286   386   486          Bytes

       none              2     2     2     2             1


       - see Instruction Timing
Esc or Alt-X to exit std Home/PgUp/PgDn/End ←↑↓→
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