Quokk.auApollo Guidance Computer (one of the first computers based on silicon, source code available on github!)
submitted by
dantheclammanen.wikipedia.org/wiki/Apollo_Guidance_Computer
Also check Curious Mark’s reparation: https://www.curiousmarc.com/space/apollo-guidance-computer
Oh that makes my day
https://github.com/chrislgarry/Apollo-11
Downloaded it. Turned outs it just plays lunar lander.
jk!
This machine also played Earth Lander on the CM version.