Apparatus for detecting a predetermined character of a data stri

Details Apparatus for detecting a predetermined character of a data stri Apparatus for detecting a predetermined character of a data stri

1983-04-01

1986-03-11

Heckler, Thomas M.

Boots, shoes, and leggings

G06F 748

Patent

active

045757950

ABSTRACT:
The present invention relates to digital logic circuitry for detecting a predetermined character of a data string for operand data stored in a temporary storage memory or while the data is being loaded into the temporary storage memory, wherein the data string length and the starting location of temporary storage memory in which the data string is to be stored is variable. A first comparator element compares a write address pointer to a start address pointer and an adder generates a sign pointer which indicates an address of temporary storage memory of the predetermined character. A second comparator element utilizes the pointers and the resultant outputs of the first comparator and the adder to indicate the end of the data string.

REFERENCES:
patent: 4094001 (1978-06-01), Miller
patent: 4247891 (1981-01-01), Flynn et al.
patent: 4288850 (1981-09-01), Kindell et al.
patent: 4450520 (1984-05-01), Hollaar et al.

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