Found a Rockwell B9001-13 in Mattel's Horoscope Computer. Where any of the earlier Mattel LED games (like Battlestar Galactica) dumpable, or was decapping used for that?
Rik- Can you read the label on the chip in Mattel Gravity? Patent 4,364,619 shows a QIP chip, which I assume is a B60xx like in Battlestar Galactica (and I think, Auto Race). An interview with Mark Lesser says he programmed Auto Race, BSG, Football, Baseball, Brain Baffler and Horoscope, but doesn't mention Gravity.