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Jed Margolin, ex-Atari engineer, did a great pair of articles about the secrets of the Atari vector games. Highly worth your time if you're curious.

The Secret Life of Vector Generators: https://www.jmargolin.com/vgens/vgens.htm

The Secret Life of XY Monitors: https://www.jmargolin.com/xy/xymon.htm

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My favorite part of Jed's article:

"Part way through the run of Asteroids, we used up the world's supply of 7497s [binary rate multiplier chips] and Texas Instruments (the only manufacturer of 7497s) did not have them on their schedule to make more for several months"

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