Interrupt status indication logic for polled interrupt digital s

Details Interrupt status indication logic for polled interrupt digital s Interrupt status indication logic for polled interrupt digital s

1977-04-29

1978-08-08

Nusbaum, Mark E.

Boots, shoes, and leggings

G06F 300

Patent

active

041060911

ABSTRACT:
An interface adaptor couples peripheral equipment to a bidirectional data bus and an address bus of a digital system. A plurality of interrupt sources are provided on such an interface adaptor circuit. A status bit in a status register of the interface adaptor is provided which contains a logical state indicative of a logical ORing of the plurality of interrupt sources on the interface adaptor circuit.

REFERENCES:
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patent: 3863228 (1975-01-01), Taylor
patent: 3878513 (1975-04-01), Werner
patent: 3909790 (1975-09-01), Shapiro et al.
patent: 3949380 (1976-04-01), Barbour et al.
patent: 3955180 (1976-05-01), Hirtle
patent: 3969723 (1976-07-01), Kennicott

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