Two subroutines for symbol manipulation with an algebraic compiler

1 February 1961

journal article
Published by Association for Computing Machinery (ACM) in Communications of the ACM

Vol. 4 (2) , 102-103
https://doi.org/10.1145/366105.366136

Abstract

The current University of North Carolina version of the IT Compiler [1, 2], as well as the GAT Compiler of Arden and Graham of the University of Michigan [3], have special “alphabetic read” and “alphabetic type” statements. On the UNIVAC 1105 these features allow the direct input or output of six-symbol words, each symbol being either an alphanumeric or special character. Internally, each symbol is represented by a six-bit binary coded decimal code. On the IBM 650, five-symbol words are processed, with each symbol represented internally by a two-digit decimal code.

Keywords

SYMBOL MANIPULATION
DIRECT INPUT
TWO-DIGIT DECIMAL CODE
IT COMPILER
FIVE-SYMBOL WORD
NORTH CAROLINA VERSION
CURRENT UNIVERSITY
SPECIAL CHARACTER
DECIMAL CODE
GAT COMPILER
ALPHABETIC TYPE
ALGEBRAIC COMPILER
BINARY CODED DECIMAL

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