Boots – shoes – and leggings
Patent
1986-10-15
1989-03-14
Shaw, Gareth D.
Boots, shoes, and leggings
G06F 700, G06F 928, G06F 920
Patent
active
048129895
ABSTRACT:
The present invention provides for use in a data processor a method for mapping a respective machine language instruction stored by cache storage unit to a respective microprogrammed algorithm stored in control storage unit means, wherein the respective machine language instruction includes an opcode field with a prescribed value and at least one nonopcode field with one of a plurality of values, the method, comprising the steps of in the course of one data processor clock cycle, providing the respective machine language instruction to a decoder for converting the prescribed opcode field and the at least one nonopcode field of the respective machine language instruction into a respective combination of decoded signals which corresponds to the prescribed opcode field value and that at least one nonopcode field value of the respective machine language instruction; and providing the respective combination of decoded signals to combinational logic for converting the respective combination of decode signals into a respective address signal which points to a microprogrammed algorithm stored by the control storage unit means.
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Maier Robert M.
Schober Carolee N.
Zmyslowski Allan J.
Amdahl Corporation
Nguyen Viet Q.
Shaw Gareth D.
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