Listing of the Apollo Guidance Computer(AGC) program that landed man on the moon [pdf]
And the listing for the Lunar Lander is here:
http://authors.library.caltech.edu/5456/1/hrst.mit.edu/hrs/a...
The AGC program, called Luminary, was coded in a language called Mac, (MIT Algebraic Compiler), which was then converted by hand into assembler language that the computer could understand. The assembler code was fed into the AGC using punch cards.