JOVIAL
| Paradigm | procedural, imperative, structured |
|---|---|
| Designed by | System Development Corporation |
| Developer | Software Engineering Associates, Inc. (SEA) |
| First appeared | 1960 |
| Major implementations | |
| mainframe, micro, PC, Mac OS X, Microsoft Windows, Linux, SPARC, PowerPC, 1750A, other legacy systems | |
| Influenced by | |
| ALGOL, SAGE | |
| Influenced | |
| CMS-2, Coral 66, and SYMPL | |
JOVIAL is a high-level computer programming language similar to ALGOL, but specialized for the development of embedded systems (specialized computer systems designed to perform one or a few dedicated functions, usually embedded as part of a complete device including mechanical parts).
JOVIAL was developed as a new "high-order" programming language beginning in 1959 by a team at System Development Corporation (SDC) headed by Jules Schwartz to compose software for the electronics of military aircraft. The name JOVIAL is an acronym for "Jules Own Version of the International Algebraic Language." The "International Algorithmic Language" (IAL) was a name originally proposed for ALGOL 58.
During the 1960s JOVIAL was a part of the US Military L-project series, in particular 465L (the SACCS project), due to a lack of real-time processing languages available. Some 95% of the SACCS project, managed by ITT with software primarily written by SDC, was written in JOVIAL. The software project took two years and fewer than 1400 programmer years, less than half of the equivalent time in the SAGE L-project.
During the late 1970s and early 1980s, the U.S. Air Force adopted a standardized CPU, the MIL-STD-1750A, and subsequent JOVIAL programs were built for that processor. Several commercial vendors provided compilers and related tools to build JOVIAL for processors such as the MIL-STD-1750A, including Advanced Computer Techniques (ACT), TLD Systems, Proprietary Software Systems (PSS), and others.
JOVIAL was standardized during 1973 with MIL-STD-1589 and was revised during 1984 with MIL-STD-1589C. It is still much used to update and maintain software on older military vehicles and aircraft. There are three dialects in common use: J3, J3B-2, and J73.
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