FIELD 1 *1000 START, RDRB DCA ADDR TAD ADDR TAD M240 SNA CLA JMP BELL TAD I ADDR JMS OSCIL JMP START BELL, TAD N207 TLS RDSF JMP .-1 JMP START ADDR, 0 M240, -240 N207, 207 OSCIL, 0 DCA PERIOD TAD N3777 MQL LOOP, TAD PERIOD DCA ZAHLER MQA DAC1 ISZ ZAHLER JMP .-1 CIA IAC DAC1 CMA MQL TAD PERIOD DCA ZAHLER ISZ ZAHLER JMP .-1 RDSF JMP LOOP JMP I OSCIL N3777, 3777 PERIOD, 0 ZAHLER, 0 LAS JMS OSCIL RDCC JMP .-3 $$$$$$$$$$$$$$$$$$$$