Information processing system
专利汇可以提供Information processing system专利检索，专利查询，专利分析的服务。并且PURPOSE: To prevent degradation of the processing efficiency of a central operation processing unit by dividing a long-processing time instruction handled by an option processing unit into plural processing units.
CONSTITUTION: An instruction to be executed by option processing unit 2 is inputted to decoder 11 through option control line OPCL and decoded by decoder 11 and is inputted to one end of OR circuit 3. A re-start signal is inputted to the other end of circuit 3. This OR output is inputted to input end S of R-S type FF circuit 14, and an execution end signal is inputted to the other end R. Circuit 14 stores whether unit 2 is executing the processing operation or not and outputs a control signal to unit 1. An instruction data signal is inputted to instruction code register 15 from data bus 12, and instruction code register 15 holds it and supplies it to control circuit 16 to perform the instruction execution control. Since the number of processing digits is divided for a long-processing time instruction and unit 1 transfers parameters to execute the instruction so that interrupt acceptance is performed by divided units, data communication between units 1 and 2 accompained with the interrupt processing is needless, and the high-speed processing becomes possible.
COPYRIGHT: (C)1980,JPO&Japio，下面是Information processing system专利的具体信息内容。
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