it can help you use C++ program we

用89C51，外接晶振，复位电路，二个数码管，二个按键，做一个电子秒表，具体要求为用按键起停电子表，可用按键设计倒计时时间(如10S，20S，60S),并启动倒计时功能,能用按键选择以上两功能之一-With 89C51, an external crystal oscillator, reset circuit, two digital tube, two buttons, making an electronic stopwatch, and specific requirements for the use button start-stop electronic watches, key design can be used countdown time (such as 10S, 20S, 60S), and start the countdown function, can be used for more than two buttons select one of the functions

中断控制器8259应用实验－中断方式控制彩灯点亮 这个是8255和8259的综合使用-8259 interrupt controller test applications- interrupt control lantern lit the 8255 and 8259 is the integrated use of

输入字符串将是区分大小写的开关。。。。。。。。。。。。。。。。。。。。。。。。。

贪食蛇汇编源代码-Snake compiled source code

汇编语言实验作业,调试正确的词法分析.帮助有需要的朋友少走弯路-assembly language experiment operations, debugging correct lexical analysis. Help the needy friends detours!

多功能小车仿真。L298驱动直流电机，有液晶LCD显示方向，速度。-Multi-function car simulation. L298-driven DC motor,there is the direction of liquid crystal LCD display,speed.

A/D测试首先对A/D模块进行初始化操作，当A/D不忙时，进行A/D转化，A/D转化完毕产生中断，并将结果存入数组中。-A/D test first A/D module to initialize the operation, when the A/D not busy when conducting A/D conversion, A/D conversion completion interrupt generated, and the results into the array.

用汇编语言实现2进制向十进制的转换，过程用类似模块化的标签，通过跳转实现，代码块清晰易读-Using assembly language to achieve 2-band conversion to the metric system, the process of labeling similar to the modular, through Jump realized legible block of code

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汇编语言实现的控制小键盘的小程序，输入字母数字时能在小键盘上显示出来-Assembly language to achieve the control of a small keyboard applet, enter the alphanumeric keyboard can be displayed in a small out