A package of software has been developed to execute a raw binary image of the space shuttle flight software for simulation of the computational effects of operation of space shuttle avionics. This software can be run on inexpensive computer workstations. Heretofore, it was necessary to use real flight computers to perform such tests and simulations.

A High-Level Schematic indicates the arrangement. (Note: CPU = central processing unit, IOP =input/output processor, ISP= information sharing protocol, PCMMU = pulse code modulation masterunit, MCDS = multifunction CRT display system, MDMs = multiplexer/demultiplexers, FC = flight critical,OC = operational instrumentation, and UI = user interface.)

This program was written by Scott Arnold, Bill Askew, Matthew R. Barry, Agnes Leigh, Scott Mermelstein, James Owens, Dan Payne, Jim Pemble, John Sollinger, Hiram Thompson, James C. Thompson, Patrick Walter, David Brummel and Steven P. Weismuller of United Space Alliance, LLC; and Ron Aadsen, Keith Hurley, and Chris Ruhle of Raytheon Co. for Johnson Space Center.

This Brief includes a Technical Support Package (TSP).

Space-Shuttle Emulator Software (reference MSC-23289-1) is currently available for download from the TSP library.

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