Windows2000下MS-DOS应用程序对硬件设备的访问

Access to Hardware Device by MS-DOS Application under Windows 2000

文中论述了在Windows2000操作系统下如何实现MS DOS应用程序对硬件设备的访问问题,详细分析了如何利用VDD作为转换层,完成对硬件设备端口的访问,并给出了一个解决中断问题的实现方法。

This paper describes how to make the MS-DOS application access the special-purpose hardware device. Particularly,it analyzes the mechanism of accessing the device ports by the translation layer called VDD. The method of solving interrupt problem is also given in this paper.