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Patent Searching and Data


Title:
INTERRUPTION CONTROL SYSTEM OF PROCESSOR
Document Type and Number:
Japanese Patent JPS6022251
Kind Code:
A
Abstract:

PURPOSE: To attain versatile interruption processings by identifying a general interruption and a specific interruption and holding the state so far and a specific interruption generating address when the specific interruption is generated to allow the instruction to reference the hold information.

CONSTITUTION: A storage device 1 having a memory 2 and a memory control circuit 3 is provided at the inside or outside of a processor of an interruption control system and an interruption control circuit 4 is connected to the device 1. Further, a specific interruption designating latch 5 is connected to the circuit 4 and a common bus 18 at the inside of the processor is connected to the circuit 4 and the latch 5. Further, the device 1 is connected to the common bus 18 via a main address latch 20 and a data latch 9 or the like. Further, the general interruption and the specific interruption are identified by the circuit 4, and when the specific interruption is generated, the state before the generation and the specific interruption generation address are stored in the latch 5. The hold information is referenced by an instruction to attain versatile interruption to each device connected to the common bus.


Inventors:
ABE MASAYUKI
Application Number:
JP12939783A
Publication Date:
February 04, 1985
Filing Date:
July 18, 1983
Export Citation:
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Assignee:
OKI ELECTRIC IND CO LTD
International Classes:
G06F9/46; G06F9/48; (IPC1-7): G06F9/46
Attorney, Agent or Firm:
Toshiaki Suzuki