ON NEIGHBORHOODS OF STRONGLY STARLIKE FUNCTIONS OF ORDER α AND TYPE β WITH RESPECT TO SYMMETRIC POINTS

An address designation field is provided in a return instruction. An offset value from the return address in a main program is designated in the address designation field. An adder adds the return address in the main program, which is stored in the stack, and the offset value designated in the return instruction. The addition result is supplied to a control storage as the designation address of the next instruction to be executed.