本文结合一个微型机位置控制系统设计方案的修改过程,说明如何处理微型机应用系统设计中的硬、软件折问题。笔者认为,充分挖掘CPU的潜力,将使最小限度的硬件和富有灵活性的软件结合起来,可降低系统成本,提高系统可靠性、灵活性、符合我国国情。对发挥微型机的优势,推广微型机的应用,提高微型机的应用水平具有特殊的意义。 In this paper, a micro-machine position control system design program modification process to illustrate how to deal with micro-computer application system design hardware and software folding problem. The author believes that fully tap the potential of the CPU, will make the minimum hardware and flexible software combine to reduce system costs and improve system reliability and flexibility, in line with China’s national conditions. Microcomputer advantage to play to promote the application of microcomputers to improve the level of application of microcomputers of special significance.