Apparatus to execute DMA transfer between computing devices usin

Boots – shoes – and leggings

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G06F 1516, G06F 1300

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active

043441300

ABSTRACT:
There is shown and described a method and apparatus for using a "block move" instruction in a microprocessor to execute the direct memory access (DMA) data transfer function between a microprocessor and a minicomputer. The instruction permits an apparent data transfer in the memory of the microprocessor to be utilized to transfer data to the memory in the minicomputer. Little or no additional hardware over existing systems is required.

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patent: 4112490 (1978-09-01), Pohlman et al.
patent: 4124888 (1978-11-01), Washburn
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patent: 4130865 (1978-12-01), Heart
Motorola M6800 Microprocessor Application Manual, pp. 3-8-3-28, 3-38, 1975.

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