Computers in Spaceflight: The NASA Experience

 

[404] Appendix IV - Mariner Mars 1969 Flight Program

 
Figure IV-1
 
This segment of a Mariner programmable sequencer flight program is given as an example of the sort of flexibility gained by adding a memory to the system. The first segment, the Executive, is only seven lines, yet it essentially controlled the software. The remaining code demonstrates a typical subroutine. The entire length of this program was 128 lines.
 

Figure IV-1

 

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