Decimal arithmetic unit

Details Decimal arithmetic unit Decimal arithmetic unit

1982-07-30

1985-08-20

Zache, Raulfe B.

Boots, shoes, and leggings

G06F 738

Patent

active

045368546

ABSTRACT:
A decimal arithmetic unit for carrying out a decimal arithmetic operation for first and second operands each consisting of a sign digit and numeric data comprises arithmetic means for carrying out the decimal arithmetic operation and sign processing means for processing the sign digits. The numeric data excluding the sign digits of the first and second operands are supplied to the arithmetic means and the sign digits of the first and second operands are supplied to the sign processing means. An output of the arithmetic means and an output of the sign processing means are merged to produce an operation result.

REFERENCES:
patent: 3916388 (1975-10-01), Shimp et al.
patent: 4001570 (1977-01-01), Gooding et al.
patent: 4021655 (1977-05-01), Healy et al.
patent: 4023023 (1977-05-01), Bourrez et al.
patent: 4224682 (1980-09-01), Kindell et al.
patent: 4276596 (1981-06-01), Flynn et al.
patent: 4384340 (1983-05-01), Tague et al.

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