Matches in DBpedia 2014 for { ?s ?p Frank James "Jim" Butterfield (February 14, 1936 – June 29, 2007) was a Toronto-based author and computer programmer famous for his work with Commodore microcomputers.A longtime contributor to periodicals such as The Transactor and TPUG, one of Butterfield's major works was Learning Machine Code Programming on the Commodore 64 (and other Commodore computers), one of the leading references on programming the 6502-derived 6510 microprocessor.Butterfield was also the author of Supermon and Supermon 64, two machine language monitors that many Commodore assembly language programmers used to debug and test code.Butterfield was born in Ponoka, Alberta, and attended the University of Alberta and the University of British Columbia, but never graduated. . }
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- Jim_Butterfield comment "Frank James "Jim" Butterfield (February 14, 1936 – June 29, 2007) was a Toronto-based author and computer programmer famous for his work with Commodore microcomputers.A longtime contributor to periodicals such as The Transactor and TPUG, one of Butterfield's major works was Learning Machine Code Programming on the Commodore 64 (and other Commodore computers), one of the leading references on programming the 6502-derived 6510 microprocessor.Butterfield was also the author of Supermon and Supermon 64, two machine language monitors that many Commodore assembly language programmers used to debug and test code.Butterfield was born in Ponoka, Alberta, and attended the University of Alberta and the University of British Columbia, but never graduated. ".