Information processing system having microprogram-controlled typ

Details Information processing system having microprogram-controlled typ Information processing system having microprogram-controlled typ

1990-04-23

1991-08-13

Anderson, Lawrence E.

Boots, shoes, and leggings

364258, 3642712, G06F 1314, G06F 1516

Patent

active

050401084

ABSTRACT:
A method of exchanging information in a processing system including the steps of issuing a clock synchronizing instruction from an operating system, holding the clock synchronizing instruction in a communication information holding unit, suppressing the updating of internal state information in a first arithmetic unit in response to the holding signal, outputting a communication demand signal from the communication information holding unit to a system control unit, freezing the updating of the calendar clock values in respective first and second arithmetic processing units, receiving in the system control unit the first clock value from the first arithmetic processing unit, storing the first calendar clock value in the second arithmetic processing unit, issuing a restarting signal to the arithmetic processing units, and issuing a microprogram actuating instruction to the arithmetic processing units from the system control unit.

REFERENCES:
patent: 4443849 (1984-04-01), Ohwada
patent: 4524415 (1985-06-01), Mills, Jr. et al.

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