资 源 简 介
nsigned char lcddata,column,page,code_,k
xdata unsigned char OUTBIT _at_ 0x2001 // 位控制口
xdata unsigned char IN _at_ 0x2002 // 键盘读入口
xdata unsigned char CONTROL _at_ 0x2003 //8255控制口
-nsigned char lcddata, column, page, code_, k xdata unsigned char OUTBIT _at_ 0x2001// bit control port xdata unsigned char IN _at_ 0x2002// keyboard Reading entrance xdata unsigned char CONTROL _at_ 0x2003// 8255 to control population
