General > General Technical Chat
Apollo moon landing
andy3055:
For those who are interested in the Apollo moon landing, this is a fantastic talk/presentation about the guidance computer. Rightfully, it is described as "light years ahead!"
Microdoser:
I read Margaret talking about that image, and she said that when the press photographers were there they wanted to do that shot so they collected all the printout they could find and piled it up It is often misreported that it is just the Apollo source code.
I will play this video while I populate a test board today. Thanks for posting.
They still use some of the code she wrote in spacecraft today, it is so robust.
TerraHertz:
I'm relieved to hear that stack is mostly random printouts, not 'all Apollo code.'
I wonder if there is any photo of just the Apollo code prinout. I'd like to see how much it really is.
Or maybe the actual source code? Is it online anywhere?
Mortymore:
Just think about the amount of ROM memory that the AGC had: 36,864 words
"The AGC has a 16-bit word length, with 15 data bits and one parity bit"
https://en.wikipedia.org/wiki/Apollo_Guidance_Computer
Now think how many lines of code could be written to fill a 36,864 words size memory, and imagine that put on paper.
In the pile of paper shown in the picture, may be all the versions of code produced and all the documentation used in the project, but certainly not only the code fitted in the AGC memory.
EDIT: May be of interest
http://apollo.josefsipek.net/links.html
Sal Ammoniac:
--- Quote from: TerraHertz on April 15, 2021, 02:47:55 pm ---Or maybe the actual source code? Is it online anywhere?
--- End quote ---
Yep. It's up on GitHub: https://github.com/chrislgarry/Apollo-11
The "Luminary" code is what flew on Apollo 11.
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