Programmable controller using microprocessor

Details Programmable controller using microprocessor Programmable controller using microprocessor

1980-01-02

1981-12-01

Shaw, Gareth D.

Boots, shoes, and leggings

364200, G06F 900

Patent

active

043039901

ABSTRACT:
In a programmable controller of the type including a microprocessor having output address terminals, output address lines extending to external addressable devices, input/output bi-directional data terminals and means for applying a binary status code made up of binary signals on the data terminals at a preselected time during a cycle of the microprocessor and indicative of the type of machine cycle to be processed by the microprocessor there is provided a system for energizing a hardwired logic circuit in response to a status code and logic on said address lines.

REFERENCES:
patent: 3599161 (1971-08-01), Stroughton
patent: 4124890 (1978-11-01), Vasenkov et al.
patent: 4130240 (1978-12-01), Millham et al.

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