Apparatus and method for performing an arithmetic operation and

Details Apparatus and method for performing an arithmetic operation and Apparatus and method for performing an arithmetic operation and

1975-05-05

1976-12-14

Malzahn, David H.

Registers

Transfer mechanism

Traveling pawl

3401725, G06F 738

Patent

active

039977714

ABSTRACT:
The disclosure describes an improved apparatus and method for performing an arithmetic operation and multibit shift on two digital numbers during a single pass of the numbers through the arithmetic and shifting apparatus. In order to reduce the time required for the operation, the digital numbers are stored in registers which can be read simultaneously.

REFERENCES:
patent: 3293420 (1966-12-01), Pitkowsky et al.
patent: 3697734 (1972-10-01), Booth et al.
patent: 3800130 (1974-03-01), Martinson et al.
patent: 3861585 (1975-01-01), Courboulay et al.
patent: 3875391 (1975-04-01), Shapiro et al.
patent: 3887799 (1975-06-01), Lindgren
Sofer & Sproul, "Parallel Pipeline Organization of Execution Unit," IBM Tech. Disclosure Bulletin. vol. 14 No. 10 Mar. 1972, pp. 2930-2933.

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