本程序由汇编语言设计：

功能分四大块：

1：Read Cmos message

读取一些Cmos 中的信息，并显示。

2: Show The Time

显示当前日期和时间。

3：Test the Key_Board

测试按键，每按一键，相应显示该键的Asci 码 和 Scan 码。

4：Math operation

由用户输入算术式，以 = 结束，相应在屏幕上显示结果。运算符号

包括 + , - , * , / 。

5：Escape

退出程序。

-This program designed by the assembly language: functional divided into four blocks: 1: Read Cmos message to read some of Cmos the information, and displayed. 2: Show The Time displays the current date and time. 3: Test the Key_Board test button, every click of a button, the corresponding display the key code and Scan code Asci. 4: Math operation by the user input arithmetic type, with ' ='　end, the corresponding result will be displayed on the screen. Operator symbols, including' +' ,' -' ,' *' ,' /' 。 5: Escape exit the program.