Executive Systems Problem Oriented Language

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Executive Systems Problem Oriented Language (ESPOL)
Paradigms Multi-paradigm: procedural, imperative, structured
Family ALGOL
Developer Burroughs Corporation
First appeared1966;59 years ago (1966)
Final release
Burroughs B6700 B7700 / June 27, 1972;52 years ago (1972-06-27)
Typing discipline Static, strong
Scope Lexical (static)
Platform Burroughs large systems
OS Burroughs MCP
Influenced by
ALGOL 60
Influenced
NEWP

The Executive Systems Problem Oriented Language (ESPOL) is a programming language, a superset of ALGOL 60, that provides abilities of what would later be termed a system programming language [1] or machine oriented high order language (mohol), such as interrupting a processor on a multiprocessing system (the Burroughs large systems were multiprocessor systems). ESPOL was used to write the Master Control Program (MCP) on Burroughs computer systems from the B5000 to the B6700. [2] [3] [4] The single-pass compiler for ESPOL could compile over 250 lines per second.

ESPOL was superseded by NEWP in the mid-to-late 1970s.

References

  1. ↑ Bergeron, R. D.; et al. (December 15, 1972). "Language for Systems Development". In Rubinoff, Morris (ed.). Advances in Computers. Vol. 12. New York; London: Academic Press. p. 282. ISBN   978-0080566443.
  2. ↑ Staff (1966). B5500 ESPOL Reference Manual (PDF). Detroit, Michigan: Burroughs Corporation – via Computer History Museum.
  3. ↑ Staff (January 1970). B6500 ESPOL Reference Manual (PDF). Detroit, Michigan: Burroughs Corporation – via Computer History Museum.
  4. ↑ Staff (27 June 1972). B6700/B7700 Executive System Programming Language (ESPOL) Information Manual (PDF). Detroit, Michigan: Burroughs Corporation – via Computer History Museum.


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