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Co-processor control method

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专利汇可以提供Co-processor control method专利检索,专利查询,专利分析的服务。并且PURPOSE:To increase the processing speed of a co-processor by providing a co-processor control signal line between a basic instruction processor and a co-processor to start and end the co-processor and transferring the signal showing the inside state of the co-processor to the basic instruction processor. CONSTITUTION:A basic instruction processor 100, a co-processor (FPU) 200 and a main memory 300 are connected with each other via a data bus 401. The control signal-only lines 402, 403 and 404 are provided between the processor 100 and the FPU 200. The machine instructions received from the memory 300 are set at registers 102 and 103 via an address operation decoder 112 and an instruction decoder 113. When the decoder 112 decides a special instruction, a selector 123 is switched and the head address of a microprogram stored in the register 103 is sent to the FPU 200 via the line 402. Then the end signal of the relevant instruction is sent to the processor 100 via the line 403 and an error produced in the FPU 200 is informed to the processor 100 via the line 404.,下面是Co-processor control method专利的具体信息内容。

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