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Converting system for coprocessor id

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专利汇可以提供Converting system for coprocessor id专利检索,专利查询,专利分析的服务。并且PURPOSE: To improve the efficiency of a converting system for coprocessor ID when this system is shared by many tasks by detecting a coprocessor ID out of a coprocessor instruction to convert it into a physical coprocessor ID and processing exceptionally the instruction to be given to an unpackaged ID.
CONSTITUTION: When an instruction read out of an external memory is set to an input register 11, an entry ROM 12 outputs the head address of a microinstruction and a signal showing the presence or absence of a coprocessor instruction. Then a mapping register memory part 13 outputs a physical CP.ID selected out of an instruction by a coprocessor CP.ID and a signal showing a valid or invalid state. If the instruction is equal to a coprocessor instruction and a signal showing an invalid state is outputted, a NAND gate 14 outputs logic O. Then an address selecting circuit 15 is controlled regardless of the address received from the ROM 12 so that an exceptional processing macroaddress is selected.
COPYRIGHT: (C)1988,JPO&Japio,下面是Converting system for coprocessor id专利的具体信息内容。

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