JCXZ
Usage: JCXZ label Modifies flags: None
Causes execution to branch to 'label' if register CX is zero. Uses unsigned comparision.
Jump if CX/ECX Zero
JCXZ imm ; a16 E3 rb [8086]
JECXZ imm ; a32 E3 rb [386]
JCXZ performs a short jump (with maximum range 128 bytes) if and only if the contents
of the CX register is 0. JECXZ does the same thing, but with ECX.
Example:
jcxz Label