说明：  开发平台为Keil Cx51，C51单片机串行口中断服务程序，仅需做简单调用即可完成串口输入输出的处理 //编程：聂小猛。该资料来自“51单片机世界”http://go.163.com/~dz2000。
(development platform for Keil Cx51, C51 microcontroller serial port interrupt service procedures, just doing simple call can be completed serial input and output processing// Programming : NIE Xiao-meng. The information from "51 microcontroller world" http://go.163.com/ ~ dz2000.)