中断 流水灯、数码管

#include
#define uint unsigned int
#define uchar unsigned char
sbit dula=P2^6;
sbit wela=P2^7;
sbit d1=P1^0;
uchar num,num1;tt;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};
void delayms(uint xms); //声明延时函数
void main() //主函数
{
P1=0xfe; //进入中断前执行的语句
delayms(200);
P1=0xfd;
delayms(200);
P1=0xfb;
delayms(200);
P1=0xf7;
delayms(200);
P1=0xef;
delayms(200);
P1=0xdf;
delayms(200);
P1=0xbf;
delayms(200);
P1=0x7f;
delayms(200);
P1=0xff;

num=0; // 进入中断前全部清0
tt=0; // 进入中断前全部清0
TMOD=0x11;//设置定时器0和1为工作方式1
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
TH1=(65536-50000)/256;
TL1=(65536-50000)%256;
EA=1;//开总中断
ET0=1;//开定时器0中断
ET1=1;
TR0=1;//启动定时器0
TR1=1;

wela=1;//11101010 打开位选
P0=0xea;
wela=0;
dula=1;
P0=0x3f; //使段选现实0
dula=0;
while(1);//循环等待中断的发生

}

void delayms(uint xms) //延时子函数体
{
uint x,y;
for(x=xms;x>0;x--)
for(y=110;y>0;y--);
}

void time0() interrupt 1 //延时服务函数1
{
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
tt++;
if(tt==20)
{
tt=0;
num++;
if(num==16)
num=0;
dula=1;
P0=table[num];
dula=0;
}
}
void time1() interrupt 3 //延时服务函数
{
TH1=(65536-50000)/256;
TL1=(65536-50000)%256;
num1++;
if(num1==40)
{
num1=0;
P1=~P1;

}
}