Paul Robson sent me Battlestar Galactica, a 1978 LED game from Mattel. It's based on the Rockwell B6001, a modified calculator chip.
close up of ROM
ROM array after top metal layer removed
Mattel Patent 4322074 for a similar LED electronic game references the Rockwell B6000.
Rockwell Patent 4339134 for a calculator/blackjack game that probably uses a similar microprocessor.
Interview with programmer.
Creative Computing article.
Mattel Patent 4162792 for Mattel Auto Race and Football that use similar chips.
Mattel Football prototype built using source code from patent 4162792
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