Microprocessor assisted memory to memory move apparatus

Details Microprocessor assisted memory to memory move apparatus Microprocessor assisted memory to memory move apparatus

1985-07-01

1988-08-16

Shaw, Gareth D.

Boots, shoes, and leggings

G06F 900

Patent

active

047648961

ABSTRACT:
An apparatus for controlling data movement between a peripheral and a data processing system, comprises a memory for storing data, wherein the memory comprises a plurality of memory modules. Each memory module corresponds to an assigned area of a first memory map, the first memory map being duplicated into a plurality of mirrored memory maps. Each mirrored memory map corresponds to a predefined operation, a composite of the first memory map and the plurality of mirrored memory maps forming a total memory space. Each memory location within the total memory space is defined by a unique memory space address. A processor performs a pseudo operation in response to a first control signal from the peripheral indicating data is available for being moved. A logic circuit generates at least one control signal in response to the pseudo operation such that a predetermined data movement operation occurs.

REFERENCES:
patent: 4371932 (1983-02-01), Dinwiddie, Jr. et al.
patent: 4450521 (1984-05-01), McDonough et al.
patent: 4454575 (1984-06-01), Bushaw et al.
patent: 4476522 (1984-10-01), Bushaw et al.
patent: 4535404 (1985-08-01), Shenk

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