*20 MAINDEC-08-DO4B-D RANDOM JMP TEST STARTING ADDRESS LOC. 0200 RESTART ADDRESS LOC. 0214 SWITCH SETTINGS SR0 = 1 HALT ON ERROR SR2 = 0 SELECT RANDOM JUMP FROM ADDRESS SR2 = 1 HOLD JUMP FROM ADDRESS CONSTANT. SR3 = 0 SELECT RANDOM JUMP TO ADDRESS. SR3 = 1 HOLD JUMP TO ADDRESS CONSTANT.