发明名称 MULTITASK PROCESSING APPARATUS UTILIZING A CENTRAL PROCESSING UNIT EQUIPPED WITH A MICRO-PROGRAM MEMORY WHICH CONTAINS NO SOFTWARE INSTRUCTIONS
摘要 An apparatus for processing a plurality of tasks comprises a central processing unit (CPU) equipped with a microprogram memory, and a memory. A processing demand to the real time OS required for the execution of the multitask processing is treated as exclusive instruction. For this purpose, the system includes a decoder for decoding the exclusive instruction, and the CPU or the memory has a microprogram for the realization of the instruction.
申请公布号 US5148542(A) 申请公布日期 1992.09.15
申请号 US19900517402 申请日期 1990.05.01
申请人 NEC CORPORATION 发明人 SAKUMA, HAJIME;SHINOHARA, HIROKO
分类号 G06F9/48 主分类号 G06F9/48
代理机构 代理人
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