The original list has two frequency values which are out of tone scale:
150 DATA 596, 643, 685, 704, 839, 770, 798, 810 160 DATA 834, 854, 864, 881, 897, 991, 917
Those frequency don't match the table presented in the user manual, they appear to be simple typos. The archived program has been fixed as follows:
150 DATA 596, 643, 685, 704, 739, 770, 798, 810 160 DATA 834, 854, 864, 881, 897, 911, 917
Line 130 VOL=0 contains an obvious syntax error ("="), but the program works nevertheless (because that line is never reached).
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