HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

                   CDQ - Convert Double to Quad        (386+ only)

       Usage:  CDQ
       Modifies flags: None

       Converts signed DWORD in EAX to a signed quad word in EDX:EAX by
       extending the high order bit of EAX throughout EDX

                                Clocks                 Size
       Operands         808x  286   386   486          Bytes

       none              -     -     2     3             1

       - see Instruction Timing

Esc or Alt-X to exit cdq Home/PgUp/PgDn/End ←↑↓→
Converted to HTML in 2006 by Timo Bingmann