Microprocessor having instructions for exchanging values...

Details Microprocessor having instructions for exchanging values... Microprocessor having instructions for exchanging values...

2006-08-22

2006-08-22

Portka, Gary (Department: 2188)

Electrical computers and digital processing systems: processing

Processing control

Processing control for data transfer

C711S165000

Reexamination Certificate

active

07096346

ABSTRACT:
A microprocessor includes internal registers, an arithmetic and logic unit, and reads a program memory and executes an instruction set stored therein. The instruction set includes at least one instruction for exchanging the contents of both memory locations. The microprocessor includes an additional internal register connected to an output of the arithmetic and logic unit, and transfers the contents of a first one of the memory locations to be exchanged into the additional register when executing the instruction set. The microprocessor further transfers the contents of a second one of the memory locations to be exchanged into the first memory location, and transfers the contents of the additional register into the second memory location.

REFERENCES:
patent: 3398402 (1968-08-01), Delaigue et al.
patent: 4615004 (1986-09-01), Chevillat et al.
patent: 5812845 (1998-09-01), Machida
patent: 6145075 (2000-11-01), Henry et al.
May et al.; “The Transputer,” Neural Computers, Neuss, Sep. 28-Oct. 2, 1987; Proceedings of the Nato Advanced Workshop on Neural Computers, Berlin, pp. 477-486.

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