Data transfer apparatus

Details Data transfer apparatus Data transfer apparatus

1985-10-23

1987-03-24

Heckler, Thomas M.

Boots, shoes, and leggings

G06F 1338

Patent

active

046529918

ABSTRACT:
In an information processing apparatus of the type comprising a CPU, a memory device and input and output device, where a portion of the memory region storing a plurality of bytes as a unit of data to be stored overlaps a portion of the memory region to which the data are transferred, there are provided an address difference calculating circuit for calculating the difference of the addresses at the data transfer and data receiving sides, a comparator for comparing respective addresses, and a recurrent data pattern forming circuit for exchanging data between the memory region for storing the data and the memory region for receiving the data by a number corresponding to the difference of the addresses.

REFERENCES:
patent: 3029412 (1962-04-01), Southard
patent: 4047244 (1977-09-01), Finkemeyer et al.
patent: 4138732 (1979-02-01), Suzuki et al.

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