This paper gives a method of design and implementation for hard copy of graphics on screen , which is based on analysising the operating principle of EGA / VGA board in 286, 386, 486and PS/2 computers.

• 本文通过对286、386、486和 PS/2系列微机中、高分辨率显示接口板EGA/VGA工作原理的剖析,讨论了一种屏幕图形硬拷贝软件的设计和实现方法。