1969 Moon Landing: The Code of the Apollo 11 Guidance Computer (AGC).


The Moon landings would have never happened without ground-breaking software development—programming the Apollo Guidance Computer, or AGC. The code of the AGC—the software that took us to the Moon—is now freely available to download, but this isn’t like reading a listing in Java or C#. Here, Simon Allardice takes you on an entertaining tour of the code of the AGC. We’ll go through the code, explore the unusual syntax of AGC Assembly, cover the ideas and unique terminology—like Colossus and Luminary, the DSKY, the infamous alarm codes 1201 and 1202, and what it means to Go To P00H.



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