RETN              Return Near                        Flags: O D I T S Z A P C

RETN

           Logic:        POP    IP

     This instruction is the same as RET, except that it explicitly indicates
     that a near return is intended. IP is popped off the stack.

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   Operands                   Clocks   Transfers  Bytes  Example
   RETN                       16          -         1    RETN
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