Input/output information indication system

Details Input/output information indication system Input/output information indication system

1980-03-06

1983-02-01

Shaw, Gareth D.

Boots, shoes, and leggings

G06F 1132

Patent

active

043719260

ABSTRACT:
In data processing apparatus in which address and data are transferred by means of DMA through an address bus and a data bus, a coincidence circuit determines whether the address on the address bus coincides with an address designated by an address designation device, a latch circuit latches the data on the data bus when the coincidence is detected and stores the latched data, and an indicating device indicates the data stored in the latch circuit.

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patent: 4016543 (1977-04-01), Franks et al.
patent: 4067059 (1978-01-01), Denchak
patent: 4075691 (1978-02-01), Davis et al.
patent: 4166290 (1979-08-01), Furtman et al.

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