基本模型机系统分析与设计，利用所学的计算机组成原理课程中的知识和提供的实验平台完成设计任务，从而建立清晰完整的整机概念。着重加减法指令的实现和设计，编制实验所需的程序，上机测试并分析所设计的程序。-Basic model of machine analysis and design, using what we learned in Principles of Computer Organization courses offered by the knowledge and the completion of the experimental platform design task, so as to establish a clear concept of a complete whole. Focus on the realization of addition and subtraction instruction and design, preparation of the experimental procedures as required, on test and analysis of the design process.