基于51单片机的数码管按键控制

#include"reg51.h"
#define uint unsigned int
#define uchar unsigned char
uchar code Seg[]={0x00,0x04,0x08,0x0c,0x10,0x14,0x18,0x1c};//位码码值
uchar code TAB[]={0x3f,0x06,0x5b,0x4f,0x66,
									0x6d,0x7d,0x07,0x7f,0x6f};//段码码值
int n=0;
sbit KEY1=P3^1;//按键数字增
sbit KEY2=P3^0;//按键数字减									

									
void Delay(uint ctn)
{
  uint i;
	for(i=0;i