单片机keilC怎么编写退格删除键功能的程序代码?答:你是写单片机程序还是什么程序呢???我这里有一抄个控制单片机键盘的程序。include<reg52.h> sbit key1=P3^4;sbit d1=P1^0;define uchar unsigned char uchar code tab[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e};uchar num;void ...