这个单片机程序电机一转数码管灭了? -

#include<reg51.h>
#include<intrins.h>
void zhongduan();
unsigned char num[]={0x00,0x01,0X02,0x03,0x04,0x05,0x06,0x07,0x08,0x09};
void delay(unsigned char x);
sbit sw=P3^0; sbit gw=P3^1; sbit moshi=P3^2; sbit yewei=P3^3; sbit qidong=P3^4;
sbit L1=P1^5; sbit L2=P1^4; sbit L3=P1^3; sbit L4=P1^2; sbit L5=P1^6; sbit L6=P1^7;sbit L7=P1^1;sbit L8=P1^0;
unsigned char s=0,g=0,i=0,b=0;
unsigned char j,h;
unsigned char aum=0;
unsigned char code FFW[]={0x01,0x03,0x02,0x06,0x04,0x0c,0x08,0x09};
unsigned char code REV[]={0x09,0x08,0x0c,0x04,0x06,0x02,0x03,0x01};
void SETP_MOTOR_FFW(unsigned char n)
{
unsigned char q,w;
for(q=0;q<5*n;q++)
{
for(w=0;w<8;w++)
{
P0 = FFW[w];
delay(25);
}
}
}
void SETP_MOTOR_REV(unsigned char n)
{
unsigned char q,w;
for(q=0;q<5*n;q++)
{
for(w=0;w<8;w++)
{
P0 = REV[w];
delay(25);
}
}
}
void de(unsigned char z)
{
unsigned char e,r;
for(e=z;e>0;e--)
for(r=110;r>0;r--);
}
sbit SPK=P3^5;
void main()
{
unsigned char N = 3;
EA=1;
ET1=1;
TMOD=0x10;
TH1=(65535-10000)/256;
TL1=(65535-10000)%256;
TR1=1;
P2=0x08; P3=0xff; P1=0x00; delay(200); P1=0xff; P3=0x00; delay(200); P3=0xff; P1=0xff;
while(1)
{
sw=1; P2=num[s]; delay(1); sw=0;
gw=1; P2=num[g];delay(1); gw=0;
if(moshi==0)
{
delay(2);
if(moshi==0)
{
while(!moshi);
b++;
if(b>2)
b=1;
}
}
if(yewei==0&&b>0)
{
delay(2);
if(yewei==0&&b>0)
while(!yewei);
i++;
if(i>4)
i=1;
}
switch(i)
{
case 0:
for(j=0;j<50;j++)
L1=1;L2=1;L3=1;L4=1; break;
case 1:
for(j=0;j<50;j++)
L1=0;L2=1;L3=1;L4=1; break;
case 2:
for(j=0;j<50;j++)
L1=1;L2=0;L3=1;L4=1; break;
case 3:
for(j=0;j<50;j++)
L1=1;L2=1;L3=0;L4=1; break;
case 4:
for(j=0;j<50;j++)
L1=1;L2=1;L3=1;L4=0; break;
default:break;
}
switch(b)
{
case 0:
for(j=0;j<100;j++)
P1=0xff; break;
case 1:
for(j=0;j<100;j++)
L5=1;L6=0; break;
case 2:
for(j=0;j<100;j++)
L5=0;L6=1; break;
default:break;
}
if(qidong==0&&i>0)
{
delay(2);
if(qidong==0&&i>0)
{
while(!qidong);
g=0;s=6;
while(1)
{
if(aum==100)
{
aum=0;
g--;
}
if(g==-1)
{
g=9;
s--;
}
if(s==-1)
{s=0;g=0;}
if(s==6)
{L7=0;}
if(s<5&&s>1)
{
L7=1;
SETP_MOTOR_REV(N);delay(100);SETP_MOTOR_FFW(N);delay(100);
sw=1; P2=num[s]; delay(1); sw=0;
gw=1; P2=num[g];delay(1); gw=0;
}
if(s<=1)
{L8=0;}
if(s<1&&g<1)
{P1=0xff;
de(100);
SPK=0;
de(100);
SPK=1;
}
sw=1; P2=num[s]; delay(1); sw=0; gw=1; P2=num[g];delay(1); gw=0;
}
}
}
}
}
void delay(unsigned char x)
{
unsigned char k;
while(x--)
for(k=0;k<255;k++);
}
void zhongduan() interrupt 3 using 0
{
TH1=(65535-10000)/256;
TL1=(65535-10000)%256;
aum++;
}

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