#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
**it k1=P3^4;
**it smgd=P2^6;
**it smgk=P2^7;
uchar Pre_KeyNo=16,KeyNo=16;
uchar code LEDData[]={0X3F,0X06,0X5B,0X4F,0X66,0X6D,0X7D,0X07, 0X7F,0X6F,0X77,0X7C,0X39,0X5E,0X79, 0X71}
/*****延时子程序*****/
void Delay(uint x)
{ uchar i;
while(x--)
for(i=0;i<120;i++)