The printout is over 150 pages of Intel 8080 assembly language, here. In this article, Gates says that Altair BASIC was inspired by the January 1975 copy of “Popular Electronics” magazine. Which has been the cover photo for my log/blog since I began it. In this article, they says it feels like yesterday when he and Allen “hunched over the PDP-10 in Harvard’s computer lab, writing the code that would become the first product of our new company.”
I’m a long time DEC fan, mostly due to the PDP-11 computers, and only recently became aware of the PDP-10 due to Oscar Vermeulen’s PiDP-10.