Abstract
Some aspects of directly executed languages (DEL's) are described. Principles for the design of a DEL are given and in particular a survey of principles used to design a DEL yielding very compact programs. The idea of a refined display to get small address fields in DEL's for blockstructured languages is introduced. A comparison between IBM S/360 machine language and a specific DEL for the machine-oriented higher level language MARY gives quantitative results for the applicability of the techniques described.
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This work has been supported by SAAB-SCANIA AB and The Swedish Board for Technical Development (72-1577/U 1220, 74-4723).
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Tafvelin, S., Wikström, Å. Aspects of compact programs and directly executed languages. BIT 15, 203–214 (1975). https://doi.org/10.1007/BF01932694
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DOI: https://doi.org/10.1007/BF01932694
Key words
- Compilation
- directly executed languages (DEL's)
- interpretation
- language-oriented machines
- microprogramming
- programming languages