Boots – shoes – and leggings
Patent
1982-02-22
1986-06-10
Heckler, Thomas M.
Boots, shoes, and leggings
G06F 928
Patent
active
045946612
ABSTRACT:
A microword control system is provided for producing the sequences of microwords used to control the execution of processor instructions in a microprogrammed digital data processor. This microword control system includes a plurality of programmable logic array mechanisms responsive to the processor instruction to be executed for individually producing different ones of the microwords needed to execute such instruction. This microword control system also includes microword-responsive control circuitry for controlling the operation of the data processor. This microword control system further includes multiplexing circuitry for supplying microwords from different ones of the programmable logic array mechanisms to the control circuitry during different time intervals.
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Cavlan, "Structure and Application of Field Programmable Logic Arrays", Microelectronics and Reliability, vol. 15, No. 4, pp. 285-295, Pergamon Press, 1976.
Cook et al., "A Study in the Use of PLA-Based Macros", IEEE Journal of Solid-State Circuits, vol. SC-14, No. 5, Oct. 1979, pp. 833-840.
Kraft Wayne R.
Moore Victor S.
Parker Tony E.
Rhodes, Jr. Joseph C.
Stahl, Jr. William L.
Bee Richard E.
Heckler Thomas M.
International Business Machines Corp.
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