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NRS4000是一种采用全正向设计思路的嵌入式32位RISC微处理器，它与Intel80960二进制兼容。本文在对NRS4000体系结构分析研究的基础上，对NRS4000的取指部件的设计作了较详细阐述。
The NRS4000 is an embedded 32-bit RISC microprocessor with a fully forward-looking design that is binary compatible with Intel80960. Based on the analysis of the architecture of NRS4000, this paper elaborates on the design of the fingering parts of NRS4000 in detail.