Input/output and diagnostic arrangements for programmable machin

Details Input/output and diagnostic arrangements for programmable machin Input/output and diagnostic arrangements for programmable machin

1976-10-04

1978-04-25

Zache, Raulfe B.

Boots, shoes, and leggings

G06F 1300

Patent

active

040866580

ABSTRACT:
A programmable controller includes a random access memory for storing signals relating to a plurality of programs executable in the controller. A portion of the memory addressing is zoned for enabling one or more programs to have exclusive access to that zone. The addressability of input/output registers, diagnostic registers and selected other units of common interest to all such programs are addressable in each of the plurality of zones as if such registers were uniquely assigned to such respective memory zones.

REFERENCES:
patent: 3238510 (1966-03-01), Ergott, Jr.
patent: 3601812 (1971-08-01), Weisbecker
patent: 3748650 (1973-07-01), Garcia et al.
patent: 3771131 (1973-11-01), Ling
patent: 4020470 (1977-04-01), Drimak et al.
Motorola M6800 Application Manual, 1975, p.3-1.

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