源的USB接口，以供参考，有什么问题请多指教

BCD码相乘，汇编环境里没有对压缩BCD码相乘的调整，相当于作业吧！-BCD multiply, the compilation environment where no compression BCD multiplication of adjustment, which is equivalent to operating!

可执行文件向二进制文件的转换。能够将所有可执行文件转换成相应的二进制文件。-executable binary files to the conversion. All can be converted into executable files corresponding to the binary files.

时间显示，定时-Time display, time

ASM 是asm的显示调用程序和子程序的程序流程图-ASM is the display asm procedure and subroutine calls the program flow chart

五个按键：关机off键，开机on键，五分钟定时键，十分钟定时键，二十分钟定时键，按相应的按键实现相应的功能，输出4HZ的方波-5 buttons: off off key, turn on key, five minutes from time to time key, 10 minutes from time to time key, 20 minutes from time to time, press the corresponding button to achieve the corresponding functions of the square wave output of 4HZ

两个经典程序：显示系统时间，转换（大小写字母转换、二进制/八进制/十进制/十六进制间转换）-two classics : Display System, the conversion (case-insensitive conversion, binary/octal/decimal/hexadecimal switch)

汇编写的贪吃蛇游戏，在轻松汇编里编译通过，游戏能实现贪吃蛇的基本游戏功能-Compilation of written Snake game, where the compiler to compile in a relaxed through the game to achieve the basic game features Snake

从首地址为1000H开始存放10个数，要求设计程序将这些数由小到大排序，排序后的数仍放在原地址处。-Starting from the first address 1000H store the number 10 to require the design process to sort these the number of small to large, sort after a few still on the original address.

USE DS18B20 IN P16F877A

用单片机播放梁祝这首歌，利用89C51单片机-The Butterfly Lovers with MCU Play the song, using 89C51