windows下串口同步通信的一个类，The files ASYNCH.H and ASYNCH.CPP are the actual source code to the asynchronous object class. The file SPDTERM.CPP is merely a sample test program to test the interrupt and some of the functions of the class. To compile, sim

用于控制LCD12832液晶图形显示的源程序，修改后可用作12664或其它LCD图形显示控制-LCD12832 used to control the source of LCD graphic display, the modified LCD can be used as a 12664 or other graphical display control

此程序是gram程序基础上设计的加法运算表达式的L属性递归下降翻译器-This program is designed on the basis of gram program addition expression is the property of recursive descent translators L