instructions p -> JSR -> Jumps to direct page address p and saves PC+1 and registers to the system stack JSRw -> Jumps to absolute address p and saves PC+1 and registers to the system stack JSRx -> Jumps to direct page address x and saves PC+1 and registers to the system stack JSRxw -> Jumps to absolute address xw and saves PC+1 and registers to the system stack JSRy -> Jumps to direct page address y and saves PC+1 and registers to the system stack JSRyw -> Jumps to absolute address yw and saves PC+1 and registers to the system stack