快速存取汉字图形屏幕的软件设计方法

The Software Design MethOd for Fast Saving and Restoring Character Screen Image

利用ＶＧＡＩ２Ｈ图形方式，直接对视频缓冲区进行读写来存取屏幕的方法进行了叙述，指出了屏幕彩色失真的原因及其解决办法，并给出了用该方法保存与恢复屏幕的程序框图，最后对该方法的进一步改进做了一些探讨。

This paper expounds a method of direct reading/writing the video bufferstorage for saving and restoring character screen image。It poiints out the reason and solutionof distortion of screen color,and also gives the block diagram about saving and restorngscreen by using this method.Finally,some further studies on this method are made。