Abstract
This paper presents a microcode generator, which accepts a source program (algorithm) and a target description (microarchitecture) as input and generates microcode to implement the algorithm on the defined microarchitecture. The target description is similar to the outputs produced by datapath synthesis phase in hardware design packages. Thus, it can be incorporated to synthesise a microprogrammed control. The microcode generator is based on an algorithm which preserves retargetability without sacrificing on design time. This is achieved by implementing the generator in two phases: in the first phase, a set of 'feasible' register transfer operations (called base-set) is generated from the microarchitecture description. In the second phase, translation is carried out by simply searching and matching the source program statements with the base-set.
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