Richard Watts, Macrotronics Richard Watts was a programmer at Macrotronics, a company that was primarily focused on the RM-1000 radio modem, hardware that connected amateur radio receivers to personal computers. The company also created Morse Code Tutor, programmed by Richard, which was published by Atari Program Exchange and first appeared in winter 1982-1983 APX catalog.  Morse Code Tutor cost $22.95 and was APX catalog number 20092. Macrotronics did contract work for APX as well, including fixes to Caverns of Mars prior to its release. The company also released a parallel print interface, which allowed a parallel printer to be connected to the Atari 400 and 800 through joystick ports 3 and 4, eliminating the need for an Atari 850 interface. This interview took place on July 28, 2016. "You couldn't afford any of the inefficiencies of a higher-level language. Basically what you're writing is a software UART, so that you're taking the signal, and you're detecting a dit from a dah, you're looking at the spacing of all of that and you're trying to ignore noise." Morse Code Tutor in the winter 1982-1983 APX catalog California Historial Radio Society: http://www.californiahistoricalradio.com