A formal description of SYSTEM/360

Falkoff, Adin D.; Iverson, Kenneth E.; Sussenguth, Edward H.

doi:10.1147/sj.32.0198

Cited by 105 publications

(34 citation statements)

References 2 publications

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“…APL was used as a tool for the formal description of systems for a number of years before the first implementation of APL became available on a computer. The most significant being the formal description of IBM's highly successful SYSTEM\360 [8]. Although computer implementations of APL were used internally at IBM earlier the first external product was released around 1968 [6].…”

Section: Inspiration From Early Apl and Lispmentioning

confidence: 99%

An Array and List Processing System

Penkler¹

2014

Proceedings of ILC 2014 on 8th International Lisp Conference

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We present ALPS, a personal interactive computational environment that combines the primitives and arrays of APL\360 with the syntax and semantics of early LISP. Selected features from APL\2, Scheme, Common Lisp and other extensions were incorporated over time. Both LISP and APL are among the oldest surviving programming languages. Although they were devised for different purposes they have a number of features in common. We show how using their common features as design principles, the mathematical power of APL and the flexibility of LISP are combined into a simple yet effective tool for diverse system engineering tasks. In this paper the creation, design and evolution of the system are described, illustrating some features with code samples. Following a brief discussion on some implementation details we provide performance data of a couple of sample applications on a variety of hardware.

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Section: Inspiration From Early Apl and Lispmentioning

confidence: 99%

An Array and List Processing System

Penkler¹

2014

Proceedings of ILC 2014 on 8th International Lisp Conference

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“…An early application of APL as an architectural description language is the APL description of the IBM System/ 360 [3]. The description was completed at the same time as the system development, but was not actually used as a means of description by the designers.…”

Section: Description Languagementioning

confidence: 99%

APL: an effective design language

Sinderen

Huijs

Blaauw

1986

IEE Proc. E Comput. Digit. Tech. UK

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The paper describes the use of APL (a programming language) for the specification of a hardware architecture, the description of an initial implementation algorithm, its verification and controlled transformation to a logic design. Because of its power of expression, APL can be used effectively in each of these design domains. The APL interpreter turns any description into an executable prototype. Such a prototype is a powerful tool in the management and execution of a design; it clarifies design choices and assures the logical correctness of the product. This computer-aided-design process, which is illustrated by the design of the front end of a logic analyser, is useful for a variety of design situations, such as LSI/VLSI and computer design.

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“…accessible to all programs, or local to one program. LAX is not as operator-rich as APL [4] although quite a few string operations are provided, in addition to a fairly normal repertoire of operations.…”

Section: The Language Laxmentioning

confidence: 99%