High speed data processing unit using a shift operation

Details High speed data processing unit using a shift operation High speed data processing unit using a shift operation

1988-02-17

1989-10-03

Harkcom, Gary V.

Boots, shoes, and leggings

377 79, G06F 700, G06F 1500, G11C 1900

Patent

active

048721280

ABSTRACT:
A data processing unit includes a data register, a shift width register, an absolute value generator, a shift direction control circuit, and a shifter. The shifter is responsive to an absolute value of shift width data in the shift width register and a sign of the shift width data to decide the number of shift positions and the shift direction of data in the data register for performing a shift operation.

REFERENCES:
patent: 3781819 (1973-12-01), Geng et al.
patent: 4122534 (1978-10-01), Cesaratto
patent: 4338675 (1982-07-01), Palmer et al.
patent: 4484259 (1984-11-01), Palmer et al.
patent: 4509144 (1985-04-01), Palmer et al.
patent: 4665538 (1987-05-01), Machida

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