CASE STUDIES IN ASYNCHRONOUS DESIGN. PART I: AMM ARCHITECTURE PART II: A 4 STROKE AMM

Abstract
PART I: There seems to be a real need for fully-worked, moderately-sized case studies in asynchronous design which show, explain, compare and contrast the various common design styles. In a series of reports we will describe, specify and implement a variant of Sutherland's MOVE machine in CCS in a number of popular design styles: "4-stroke", "2-stroke", and combined (control in 2-stroke, datapath in 4-stroke), without and then with pipelining. In each case we will show that our designs possess certain desirable properties (neither deadlocks nor livelocks, ...) and that they conform to their specifications. In this first document, we describe our variant of the MOVE machine together with some typical programs. PART II: This is an early draft of a tutorial document which seeks to explain the bread-and-butter design of simple micro. We specify and implement a simple 4 stroke variant of Sutherland's MOVE machine in CCS. We explain the 4 stroke design style, specify a sufficient library of cells, give a "bread and butter" implementation of AMM, and show that it conforms to its specification and possesses several desirable safety and liveness properties.
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Keywords
Computer Science
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