本文叙述了TMC-80A工业微机系统的硬件结构,给出了实现其屏幕修改功能的软件设计方法及特点。该软件采用模块化结构,功能强、占用内存少,使用方便,并能够在控制过程中实时地对屏幕进行修改。通过对这一功能的开发,使得该机在工业控制方面应用更加灵活,应用范围更加广泛。 This article describes the hardware structure of the TMC-80A industrial computer system, and presents the software design methods and features to realize its screen modification function. The software uses a modular structure, powerful, less memory, easy to use, and can control the process of real-time changes to the screen. Through the development of this function, making the machine more flexible in the industrial control applications, a wider range of applications.