Device for checking decimal data

Details Device for checking decimal data Device for checking decimal data

1993-06-18

1994-02-08

Mai, Tan V.

Boots, shoes, and leggings

G06F 1100

Patent

active

052854043

ABSTRACT:
A device for checking decimal data includes a command analyzing circuit which analyzes the content of a main storage command register and a data register for storing data read from a main storage unit via a system bus, a decimal data format checking circuit for checking the decimal format of the read-out data by the output of the command analyzing circuit, a check result register for storing the check result, an arithmetic operation unit into which data necessary for the arithmetic operation are entered from the data register and the decimal format check result from the check result register for arithmetic operation. Therefore, the speed of processing is increased, since data can be loaded while the decimal data format is also checked.

REFERENCES:
patent: 3963907 (1976-06-01), Durand-Vienne
patent: 4534059 (1985-08-01), Yamada

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