In this paper, the pattern of BMP bitmap file is and analysed, and a new melod is posed for displaying rapidly BMP by direct to write VRAM in DOS Application Program, an example of C program has given.

• 本文分析了BMP位图文件格式,提出了一种在DOS应用程序中实现BMF位图文件的直接写屏快速显示方法,最后给出了C程序示例。