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On the Minimization of Wordwidth in the Control Memory of a Microprogrammed Digital Computer
September 1983 (vol. 32 no. 9)
pp. 863-868
C.D.V.P. Rao, Department of Electronics and Communication Engineering, N. S. Engineering College, Jawaharlal Nehru Technological University
This paper describes a new method for reducing the wordwidth in the control memory of a microprogrammed digital computer. The method requires the computation of maximal compatibility classes (MCC's) of only a subset of subcommands unlike the existing methods in which MCCs of the entire set of subcommands are used. An algorithm has been given to obtain a near minimal solution by appropriate grouping of the MCC's. The necessary modification of the algorithm has also been presented to deal with large size microprograms.
Index Terms:
reducing, Control memory wordwidth, microinstruction organization, microprogramming
Citation:
C.D.V.P. Rao, N.N. Biswas, "On the Minimization of Wordwidth in the Control Memory of a Microprogrammed Digital Computer," IEEE Transactions on Computers, vol. 32, no. 9, pp. 863-868, Sept. 1983, doi:10.1109/TC.1983.1676336
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