LEA - Load Effective Address

        Usage:  LEA     dest,src
        Modifies flags: None

        Transfers offset address of src to the destination register.

                                 Clocks                 Size
        Operands         808x  286   386   486          Bytes

        reg,mem          2+EA   3     2     1            2-4

        - the MOV instruction can often save clock cycles when used in
          place of LEA on 8088 processors


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