[george-in-sd]

In the documentary Triumph of the Nerds they show how to write a program with the Altair. No keyboard, no monitor - a truly humble machine!

https://www.youtube.com/watch?v=toSRmKKiosQ&t=1224

[timbit42]

The Tech Time Traveler channel has a lot of interesting 70's vintage computer stuff including this more detailed video from 2 days ago on programming the Altair 8800 including Kill the Bit and The Fool on the Hill: https://youtu.be/CZgD_bvPm0k&t=1594