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本文分析了最近设计成功的点阵图形和字符显示处理系统(TD4860智能终端——简称CRT)的设计原理,介绍了它的主要性能和应用,CRT以μpu6809为主机组成系统,12″显示屏,键盘操作,MX—80点阵打印机考贝,使用方便直观,具有结构简单,造型美,功能强,技术先进,稳定可靠,体积小,售价低等特点。一、主要性能 (一)图形性能 1.帧面属性图形系高密度显示,分辩率垂直1/256,水平1/512提供256×512点阵画面可以任意绘画,
This article analyzes the design principle of the recently designed dot matrix graphics and character display processing system (TD4860 intelligent terminal - referred to as CRT), introduces its main performance and application, CRT to μpu6809 host system, 12 "display, Keyboard operation, MX-80 dot matrix printer test shell, easy to use and intuitive, with simple structure, beautiful shape, strong function, advanced technology, stable and reliable, small size, low price characteristics. 1.Framework graphics high-density graphics, resolution 1/256 vertical, 1/512 level to provide 256 × 512 dot matrix screen can be any painting,