I’m kind of surprised, since they talk about all the other roots of modern protocols, that they don’t mention that USB was heavily influenced by the Atari 8-bit

I’m kind of surprised, since they talk about all the other roots of modern protocols, that they don’t mention that USB was heavily influenced by the Atari 8-bit SIO subsystem [1] according to its designer. It seems to ne there was quite a bit of cool ahead-of-it’s-time technology in the Atari 8-bit range that went unnoticed because “it was just a games machine”. SIO, with its universal bus interface and universal driver format, tied in with CIO (centralized input.output) that used the same driver/handler system for the keyboard and screen devices… 1: https://en.wikipedia.org/wiki/Atari_SIO https://en.wikipedia.org/wiki/Atari_SIO