Executive Systems Problem Oriented Language

Executive Systems Problem Oriented Language (ESPOL)
Paradigms	Multi-paradigm: procedural, imperative, structured
Family	ALGOL
Developer	Burroughs Corporation
First appeared	1966; 58 years ago
Final release	Burroughs B6700 B7700 / June 27, 1972; 51 years ago
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 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. The single-pass compiler for ESPOL could compile over 250 lines per second.

ESPOL was superseded by NEWP.

References

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