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CDQ               Convert Double to Quad (386)       Flags: O D I T S Z A P C

CDQ

           Logic:        EDX:EAX . sign extend(EAX)

     This instruction converts a signed double word in EAX to a quadword, also
     signed, in EDX:EAX. It extends the sign bit.

  --------------------------------------------------------------------------
   Operands                   Clocks   Transfers  Bytes  Example
   CDQ                                     -        1    CDQ
  --------------------------------------------------------------------------

See Also: CBW CWD
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