JZ

This instruction jumps only if ZF=1. The flags are not affected.

If a jump occurs, it will copy the jump address into IP.

Usage

JZ label

label must be a label that points to an instruction.

Example

        org 2000h
jump:   push ax
        ; --- etc ---

        jz jump  ; Valid
        jz 2000h ; Invalid, must be a label
        hlt
        end

Encoding

00100010, addr-low, addr-high