Meaning of HAL/S in English

< language > (Hal/Shuttle) A real-time high-level language for flight control applications. Hal was developed for NASA by Intermetrics, Inc. in the 1970s for on-board software . The initial version was a Fortran preprocessor , written in Fortran. In 1972, as the space shuttle project advanced, the language was renamed Hal/S and made more adaptable to architecture of different computers by using XPL . In all, 11 different implementations, mostly based on IBM 360 , were created. Applications also included projects by JPL (Galileo probe, Deep Space network).

["Two-Dimensional Characteristics of HAL, A Language for Spaceflight Applications", J.S. Miller, SIGPLAN Notices 7(10), Oct 1972].

["Space Station Flight Software: Hal/S or Ada?", Allan R. Klumpp, "Computer", March 1985].


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