工作环境为： 按键采用中断方式 IIC总线接通 P0口上拉 LS244使能 接通数码管 K0：确定键，用来确定调节好的时钟或者闹钟...

本程序需在DOS下运行。每运行一次可执行程序random.exe，即可显示任意两个 16进制数的加法或减法表达式及其运算结果。在减法运算中，如果被减数小于减数，显示 “Divide Overflow”的提示信息。-the process required under the DOS operating. Every time running executable random.exe can display any number of two 16-band addition or subtraction of expression and the results of operations. The subtraction operation, if less than subtrahend minuend, shows that the "Divide Overflow" message.

一个用WIN32编的兔子繁殖问题，可以计算几个月后兔子的数目-A series of rabbit with WIN32 reproductive problems, can be calculated a few months later the number of rabbit

是关于汇编指令的一个小字典,用起来很舒服,对初学者应该有些帮助的-instructions on the compilation is a small dictionary, used to be very uncomfortable for some beginners should help

北航的汇编语言教材，基于arm体系的课后实验源码。-Beihang assembly language teaching materials, based on after-school experimental arm system source code.

MCS-96单片机串行口应用，利用串行口进行串行数据传送时，可采用查询法或中断法实现。-MCS-96 microcontroller serial port applications, the use of serial port for serial data transmission. available inquiries or interruption Method.

（1） 有一个主持人控制开关和8路抢答按扭，当主持人允许抢答时才能进行抢答操作，并用一个数码管显示抢答选手的号码，同时其他选手不能再抢答。 （2）电路上要加个蜂鸣器的电路，当有选手抢答时蜂鸣器响一下。 （3）要有倒计时功能，开始抢答时开始倒20秒计时，用两个数码管显示，当有人抢答时停止倒计时。 2.2拓展部分 用按键可设置倒计时的时间，范围在5秒到30秒之间。-(1) has a host switch and 8-way control button to answer in, when the moderator allowed to be carried out to answer in time to answer in operation, and use an LED display to answer in the number of players, while other players can no longer answer in his place. (2) the circuit, we should add a buzzer circuit, when there are players when the buzzer rang to answer in about. (3) to have the countdown feature to begin to answer in 20 seconds when you start down time, using two digital tube display, when someone stops to answer in the countdown. 2.2 The expansion of part of the buttons can be set with the countdown time, the range of 5 seconds to 30 seconds.

详细介绍了如何使用C语言编写数字信号处理中最常用的FFT程序-Described in detail how to use the C language, digital signal processing in the most commonly used FFT procedure

DP-1581的8563T及7289a键盘LED演示程序-DP-1581 and 7289a of the 8563T Keyboard LED demo

在网上找了好长时间DS12887的汇编程序，发现这方面的资料太少，所以现在将这个DS12887时钟芯片的汇编程序发出来，以供大家参考。-DS12887

用汇编语言编译的一个内容简单，可以执行加减乘除的计算器-assembly language compiler as a simple, the implementation of the arithmetic calculators