JZ (jump if zero)

Jumps under given address if given value is zero.

Syntax

JZ1 address [in,4i(addr)], value [in,1] ;code:83
JZ2 address [in,4i(addr)], value [in,2] ;code:84
JZ4 address [in,4i(addr)], value [in,4] ;code:85
JZ8 address [in,4i(addr)], value [in,8] ;code:86

Description

This instruction modifies control flow by setting IP to the given address, but only if given value is zero. In this case, execution will continue from this address.