HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

                 JCXZ/JECXZ - Jump if Register (E)CX is Zero


       Usage:  JCXZ    label
               JECXZ   label  (386+ only)
       Modifies flags: None


       Causes execution to branch to "label" if register CX is zero.  Uses
       unsigned comparision.

                                Clocks                 Size
       Operands         808x  286   386   486          Bytes

       label:  jump      18   8+m   9+m    8             2
               no jump    6    4     5     5


       - see Instruction Timing

Esc or Alt-X to exit jcxz Home/PgUp/PgDn/End ←↑↓→
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