The Mavis Beacon Teaches Typing manual lists a product with an out-of-date phone number. The product is DV SWITCHER, a ROM kit, which is probably the way to go for the C64. My own home-burned PROM conversion worked fine for just about every program I used (if memory serves). The address listed for DV SWITCHER, if you want to try writing, is Prelco, 14292 Galy Street, Tustin, CA 92688.
Does anyone want me to try to get copies of my PROM made? No promises! :-)
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