好的，我把程序贴下来。
#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
sbit dula=P2^6;
sbit wela=P2^7;
sbit d1=P1^0;
uchar num;
uchar code table[]={
0xc0,0xf9,0xa4,0xb0,
0x99,0x92,0x82,0xf8,
0x80,0x98,0x88,0x83,
0xc6,0xa1,0x86,0x8e};
void delay(uint z);
void main()
{
EA=1; //开总中断
EX0=1; //开外部中断0
wela=1;
P0=0x55;
wela=0;
while(1)
{
for(num=0;num<16;num++)
{
dula=1;
P0=table[num];
dula=0;
delay(1000);
}
}
}
void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void exter0() interrupt 0
{
d1=0;
}
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楼主
