Method and apparatus for controlling interruption in the course

Details Method and apparatus for controlling interruption in the course Method and apparatus for controlling interruption in the course

1986-08-27

1988-08-16

Zache, Raulfe B.

Boots, shoes, and leggings

G06F 946

Patent

active

047648694

ABSTRACT:
Method and apparatus for controlling interruption of a processor. When an external interrupt request having a higher priority level than a current program level is detected in the course of the execution of an instruction, the processing is interrupted and an interexecution interruption is issued. The program level is fixed in this interruption so that the interrupt request is processed as a normal interrupt request at an interruption destination, and the processing is resumed from the interrupted point at a second return instruction after the interrupt processing.

REFERENCES:
patent: 4429360 (1984-01-01), Hoffman et al.
VaxII-Architecture Handbook, pp. 52-55, 234, 235.

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