Babbage (programming language)
This article has multiple issues. Please help or discuss these issues on the talk page. (Learn how and when to remove these template messages)
|
Paradigm | procedural, structured, High-level assembler |
---|---|
First appeared | around 1971 |
Stable release | 308
|
OS | COS, GEC DOS, OS4000 |
Influenced by | |
BCPL |
Babbage is the high level assembly language for the GEC 4000 series minicomputers.[1] It was named after Charles Babbage, an English computing pioneer.
Example[]
PROCESS CHAPTER FACTORIAL ENTRY LABEL ENTRYPOINT LITERAL TO = 4 // Assume using the default proforma EXTERNAL ROUTINE OPEN, PUT, CLOSE, TOCHAR VECTOR [0,19] OF BYTE ANSWER = "factorial x = xxxxxx" HALF COUNT HALF VALUE FULL RESULT //****************************************************************************** ROUTINE FACT(VALUE) // return factorial of RA. VALUE => RESULT WHILE DECREMENT VALUE GT //0// DO << RESULT * VALUE => RESULT >> RETURN(RESULT) END //****************************************************************************** ENTRYPOINT: OPEN(TO, 1) // Print factorials for numbers 1 through 9 1 => RA REPEAT << RA => COUNT FACT(RA) => RA TOCHAR(RA, 7, ANSWER + 13) TOCHAR(COUNT, 2, ANSWER + 9) PUT(TO, 20, ANSWER) COUNT + 1 => RA >> WHILE RA LT 10 CLOSE(TO) STOP(0) END //******************************************************************************
See also[]
References[]
- ^ Salomon, David (February 1993). "6.1.4 BABBAGE". In Chivers, Ian D. (ed.). Assemblers and Loaders (PDF). Ellis Horwood Series In Computers And Their Applications (1 ed.). Chicester, West Sussex, UK: Ellis Horwood Limited / Simon & Schuster International Group. pp. 184–185. ISBN 0-13-052564-2. Archived (PDF) from the original on 2020-03-23. Retrieved 2008-10-01. [1] (xiv+294+4 pages)
Categories:
- Systems programming languages
- Assemblers
- Charles Babbage
- GEC Computers
- Programming language topic stubs