BCD arithmetic using binary arithmetic and logical operations

Details BCD arithmetic using binary arithmetic and logical operations BCD arithmetic using binary arithmetic and logical operations

1986-09-30

1989-01-17

Harkcom, Gary V.

Boots, shoes, and leggings

G06F 738

Patent

active

047991810

ABSTRACT:
A binary arithmetic unit performs arithmetic operations on binary coded decimal (BCD) operands by converting the BCD digits to hexadecimal excess 3 digits, generating hexadecimal excess 6 partial product digits and modifying selected excess 6 partial product digits to generate a BCD result.

REFERENCES:
patent: 3986015 (1976-10-01), Gooding et al.
patent: 4001570 (1977-01-01), Gooding et al.
patent: 4384340 (1983-05-01), Tague et al.
patent: 4384341 (1983-05-01), Tague et al.
patent: 4390961 (1983-06-01), Negi et al.
patent: 4635220 (1987-01-01), Yabe et al.

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