Microprogrammed controller

Details Microprogrammed controller Microprogrammed controller

1976-12-07

1978-09-19

Boudreau, Leo H.

Boots, shoes, and leggings

G06F 916

Patent

active

041158520

ABSTRACT:
A microprogrammed controller for interconnection between a central processor unit and at least one peripheral unit for controlling the transfer of data therebetween in response to instructions from the central processor unit provides for simplified bit manipulation through a feedback circuit which feeds the data to be supplied to the peripheral unit back to the input bus of the controller for further processing. In this way bit manipulation can be accomplished with a single microinstruction to provide for higher speed and efficiency of operation.

REFERENCES:
patent: 3673575 (1972-06-01), Burton et al.
patent: 3810118 (1974-05-01), Kiffmeyer
patent: 3931615 (1976-01-01), Oliver et al.
patent: 3950735 (1976-04-01), Patel
patent: 3972030 (1976-07-01), Bailey, Jr.
patent: 4025906 (1977-05-01), Riikonen

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