The application of modern functional languages and supporting verification technology to a scaled-down but realistic microprocessor is described. The model is of an infinite stream of machine instructions consuming an infinite stream of interrupt signals and is specified at two levels: instruction and hardware design. A correctness criterion is stated for an appropriate sense of equivalent behavior of these levels and proved using a mechanically supported induction argument. The functional-language-based verification system Clio and the Mini Cayuga microprocessor are described. The formal specification and verification process are examined in detail.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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Srivas et al. (1990) studied this question.
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