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使用8255芯片，编写程序控制音乐发生器和LED工作使他们组成声光报警装置，自己设置按键来控制音乐发生器启-The use of 8255 chips, the preparation of program music generator and LED components work so that they sound and light alarm devices, set up their own buttons to control music generator Kai

用汇编语言编写的数制转换程序，可以将5位的二进制串转化为十进制数字输出-assembler language few of the system conversion process, which would be five binary strings into metric digital output

用VB实现USB功能，主要是通过调用EasyD12.dll动态连接库函数,控制USBU端对 DP-51学习板24WC02时行读写控制。-VB USB functions, mainly through call EasyD12.dll DLL function, USBU-right control of DP-51 learning at the plate WC02 24 firms control read and write.

ch451显示和四位共阴极数码管1234-ch451 four common cathode display and digital tube 1234

接口技术，汇编的2个简单的例子-interface technology, the compilation of two simple examples

汇编语言实现的通讯录程序，拥有增加、删除、修改等功能。通讯录保存在记事本中，单个单位有姓名和电话号码组成。-Assembly language implementation of the address book program, has to add, delete, modify other functions. Contacts saved in Notepad, a single unit composed of the name and phone number.

Tiger语言编译器-Tiger language compiler

8051对时钟芯片DS1302和液晶LCD1602的控制，在LCD上显示时间，当前的时间。-8051 pairs of clock chip DS1302 and LCD1602 LCD control, in the LCD display time, the current time.

zlg7289的源程序，可以做参考-zlg7289 source, reference can be done

时钟模拟汇编算法-compilation clock simulation algorithm