/RL3 *1000 CLA HLT DCA I (5000) LOOP, JMS I (204) 200 /READ 1 BLOCK BL, 0 /BLOCK 5000 /MA HLT /EROR TAD I (5000) CIA TAD BL SZA CLA HLT /BAD COMPARE TAD BL IAC DCA BL TAD BL TAD TEST SZA CLA JMP LOOP JMP I (7605) TEST, -6000