Abstract
This paper describes a realized solution for some practical problems of microprogrammable microprocessor system applications, i.e. generation and verification of microprograms. The solution is especially suitable for emulation applications, e.g. simulation of the central processing unit of computers. Automatic microprogram generating, optimizing and verifying high level program were not used for microprogram writing. As a matter of fact the procedure itself and the hardware structure form a round whole, therefore neither the known microassemblers (CROMIS [8], Signetics Micro Assembler [9] nor incircuit emulators (as Intel MDS ICE-30 or the one described in [10]) were not applied. The program package described syntactically checks the symbolic source microprograms, makes it possible to edit the source programs, assembles them, and produces binary object programs. The hardware-software system presented here is Intel-3000 microprocessor family oriented but is applicable to any other type of microprogrammable microprocessor. The method for the symbolic writing of microprograms is presented; the assembler and auxiliary programs for generating and correcting microprograms are then described; and finally, descriptions of the development system and the program verification are given.
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