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CWDE          Convert Word to Extended Double (386)  Flags: O D I T S Z A P C

CWDE

           Logic:          EAX . sign extend(AX)

    This instruction converts the value in AX to an extended double word
    in EAX. The value's sign is extended. This instruction is
    particularly useful when adapting code to the 386.

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   Operands                   Clocks   Transfers  Bytes  Example
   CWDE                       3 (386)      -        1    CWDE
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