逆アセンブラの試作

概要

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This paper is concerned with the design and implementation of the inverse assembler which is used for analyzing MELCOM-70system programs. The inverse assembler translates machine-code programs into symbolic assembly language. It works on a two-pass basis, that is, it makes two scans of the machine-code program. The first pass builds up a symbol table by collecting internal symbols and external symbols, and the second pass does the actual translation, using the internal and external symbols generated in the first pass. The inverse assembler designed here has the following four features. 1. The generated internal symbols represent a certain content of each address. 2. User is able to use fifty external symbols which fit a content of each address. 3. Series internal symbols are generated even to a program separated into two segments. 4. The data word is converted into a number of four hexadecimal digits.
長崎大学工学部,Faculty of Engineering, Nagasaki Universityの論文