Writeable control store for use in a data processing system

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Details

G06F 918, G06F 1300

Patent

active

042042526

ABSTRACT:
A writeable control store for storing a plurality of instructions used to control the operation of a processor in a data processing system. The control store may be utilized in a first mode wherein the instructions are accessed for controlling the operation of the processor and in a second mode wherein data is transferred to or retrieved from the control store. In the second mode of operation, a secondary control means is utilized to control the operation of the data transfers to and from the writeable control store.

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patent: 4001788 (1977-01-01), Patterson
patent: 4027291 (1977-05-01), Tokura et al.
patent: 4032895 (1977-06-01), Lanza et al.
patent: 4037202 (1977-07-01), Terzian
patent: 4048481 (1977-09-01), Bailey et al.
patent: 4075687 (1978-02-01), Nissen et al.
patent: 4080648 (1978-03-01), Asano et al.

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