Apparatus for monitoring and checking processor operation sequen

Details Apparatus for monitoring and checking processor operation sequen Apparatus for monitoring and checking processor operation sequen

1978-04-03

1979-12-04

Malzahn, David H.

Registers

Systems controlled by data bearing records

Time analysis

G06F 1100

Patent

active

041767810

ABSTRACT:
Apparatus for monitoring and controlling the sequence analysis of processor operations in electronic digital computers. Each flip-flop in a flip-flop chain is associated with an operational step for setting up a monitoring and check sequence. The sequence is controlled by a flip-flop ring and consists of several steps each of which represents a monitoring or check function. An oscillator signal is fed to all flip-flop stages, together with a further control signal. Switching of flip-flops is effected in such a manner that at any one time only one flip-flop is on, its output signal and a coinciding oscillator signal generating a control signal which is converted in an address generator into an address for fetching a subroutine from a storage to control the monitoring and check function associated with the flip-flop.

REFERENCES:
patent: 3739345 (1973-06-01), Janssens et al.
patent: 4025768 (1977-05-01), Missios et al.
patent: 4084262 (1978-04-01), Lloyd et al.

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