为什么数码管显示的数字和我所设置的不同，而且第2和3和最后个数码管会闪

ID:728467 · 发表于 2020-5-1 16:46

连线未有错，用其他数码管程序正常。想显示111432然后减下去，可显示的是452……
#include<reg52.h>
#include<intrins.h>
#define uint unsigned int
#define uchar unsigned char
sbit dula=P2^6;
sbit wela=P2^7;
uchar code table[]=
{0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71,
0x76,0x79,0x38,0x3f,0};
uchar temp,t0,t1,bai,shi,ge,flag,flag1,change,change1;
uint hou;
void delay(uint);
void display(uchar aa,uchar bb,uchar cc,uchar bai,uchar shi,uchar ge);
void init();
void main()
{
init();
while(1)
{
  if(flag1!=1)
display(1,1,1,bai,shi,ge);
  else
display(16,17,18,18,19,20);
}
}
void init()
{ change1=0;
change=0x7f;
hou=432;
temp=0xfe;
P1=temp;
TMOD=0X11;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
TH1=(65536-50000)/256;
TL1=(65536-50000)%256;
EA=1;
ET0=1;
ET1=1;
TR0=1;
TR1=1;
}
void display(uchar aa,uchar bb,uchar cc,uchar bai,uchar shi,uchar ge)
{  P0=0x00;
      dula=1;
      dula=0;
  change1=_crol_(change,1);
switch(change1)
{
case 0xfe:P0=table[aa];
   break;
case 0xfd:P0=table[bb];
   break;
case 0xfb:P0=table[cc];
   break;
case 0xf7:P0=table[bai];
   break;
case 0xef:P0=table[shi];
   break;
case 0xdf:P0=table[ge];
   break;
}
  change=change1;
      wela=1;
      wela=0;
      dula=1;
      dula=0;
  P0=0XFF;
      delay(5);
}
void delay(uint z)
{
uint x,y;
  for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void timer0() interrupt 1
{
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
t0++;
if(flag!=1)
{
  if(t0==10)
  {
  t0=1;
  temp=_crol_(temp,1);
  P1=temp;
  }
}
else
{
if(t0%4==0)
P1=~P1;
  if(t0==60)
  {
TR0=0;
P1=0XFF;
flag1=1;
  }
}
}
void timer1() interrupt 3
{
TH1=(65536-50000)/256;
TL1=(65536-50000)%256;
t1++;
  if(t1==2)
  {
  t1=0;
  hou--;
  bai=hou/100;
  shi=hou%100/10;
  ge=hou%10;
if(hou==398)
{
TR0=0;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
TR0=1;
flag=1;
t0=0;
P1=0XFF;
TR1=0;
}
  }
}

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