Two's complement pipeline multiplier

Details Two's complement pipeline multiplier Two's complement pipeline multiplier

1974-12-20

1976-05-11

Morrison, Malcolm A.

Registers

Transfer mechanism

Traveling pawl

G06F 754

Patent

active

039566226

ABSTRACT:
The present invention includes a substantially modular pipeline multiplier for directly forming the correct final product of a 2's complement data word and a sign and magnitude coefficient word. In particular, the present invention includes circuitry for inserting logic 1 signals into the computations as sign extensions during multiplication whenever the data word is a negative 2's complement number.

REFERENCES:
patent: 3582634 (1971-06-01), Bartlett
patent: 3627999 (1971-12-01), Iverson
patent: 3737638 (1973-06-01), Esteban
patent: 3761699 (1973-09-01), Sather
patent: 3805043 (1974-04-01), Clary
L. B. Jackson et al., "An Approach to the Implementation of Digital Filters" IEEE Trans. on Audio & Electroacoustics, Vol. AU-16, No. 3, 9-1968, pp. 413-421.
Digital Computer Design Fundamentals, Published 1962, pp. 444-447.

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