On proving correctness of microprograms

  • Authors:
  • A. Birman

  • Affiliations:
  • IBM Thomas J. Watson Research Center, Yorktown Heights, New York

  • Venue:
  • IBM Journal of Research and Development
  • Year:
  • 1974

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Abstract

This paper describes the results of an investigation in proving the correctness of microprograms. The vehicle used is the Smachine, which is a very simple "paper" computer. The approach to the proof of correctness is based on formally defining the machineinstruction level and the microprogramming level of the given machine, and then showing that these "interfaces" are equivalent through the use of a concept called algebraic simulation.