instructions a8 addr -- JCN -> Jumps to direct page address addr if a8 != 0. JCNw -> Jumps to absolute address addr if a8 != 0. JCNx -> Jumps to direct page address x if a8 != 0. JCNxw -> Jumps to absolute address xw if a8 != 0. JCNy -> Jumps to direct page address y if a8 != 0. JCNyw -> Jumps to absolute address yw if a8 != 0.