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