Microprocessor with improved execution of instructions

Details Microprocessor with improved execution of instructions Microprocessor with improved execution of instructions

1986-11-04

1989-09-12

Chan, Eddie P.

Boots, shoes, and leggings

3642471, 3642612, 3642718, G06F 930

Patent

active

048666084

ABSTRACT:
In a computer, an address value is transferred to data pointer and a data is transfered from a memory location of a data memory being designated by the address value in the data pointer to a temporary register, the transfer of the address value and the transfer of the data being conducted within a first instruction cycle. In a second instruction cycle immediately following the first instruction cycle, an operation is performed by an ALU on data in an accumulater and the temporary register, and the result of operation is transferred to the accumulator and to the memory location of the data memory being designated by the data pointer.

REFERENCES:
patent: 4179746 (1979-12-01), Tubbs
patent: 4245327 (1981-01-01), Moriya et al.
patent: 4250545 (1981-02-01), Blahut et al.
patent: 4272828 (1981-06-01), Negi et al.
patent: 4449196 (1984-05-01), Pritchard
patent: 4608634 (1986-08-01), Caudel et al.

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