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标题: 各位老师，我的累加（1-99）在显示时有阴影，怎么消除？ [打印本页]

作者: reporter 时间: 2013-10-14 10:29 标题: 各位老师，我的累加（1-99）在显示时有阴影，怎么消除？

我的累加（1-99）在显示时有阴影，怎么消除？
在显示5时，你会看到9.
#include &lt;reg52.h&gt;
#include &lt;intrins.h&gt;
#define uchar unsigned char
#define uint unsigned int
sbit dua=P2^2;
sbit wei=P2^3;
uchar bai,shi,ge,num,a;
uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
void init()
{
&nbsp; &nbsp; &nbsp; &nbsp; num=0;
&nbsp; &nbsp; &nbsp; &nbsp; TMOD|=0x01;
&nbsp; &nbsp; &nbsp; &nbsp; TH0=(65536-50000)/256;
&nbsp; &nbsp; &nbsp; &nbsp; TL0=(65536-50000)%256;
&nbsp; &nbsp; &nbsp; &nbsp; EA=1;
&nbsp; &nbsp; &nbsp; &nbsp; ET0=1;
&nbsp; &nbsp; &nbsp; &nbsp; TR0=1;
}
void timer0_plus() interrupt 1
{
&nbsp; &nbsp; &nbsp; &nbsp; TH0=(65536-50000)/256;
&nbsp; &nbsp; &nbsp; &nbsp; TL0=(65536-50000)%256;
&nbsp; &nbsp; &nbsp; &nbsp; a++;
&nbsp; &nbsp; &nbsp; &nbsp; if(a==20)
&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;{
&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;a=0;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; num++;
&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;if(num==100)
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; num=0;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; bai=num/100;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; shi=num%100/10;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ge=num%10;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }
}
void delay(uint t)
{
&nbsp; &nbsp; &nbsp; &nbsp; while(t--);
}
void display(uchar bai,uchar shi,uchar ge)
{
&nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; if(bai!=0)
&nbsp; &nbsp; &nbsp; &nbsp; {
&nbsp; &nbsp; &nbsp; &nbsp; P0=0xfe;
&nbsp; &nbsp; &nbsp; &nbsp; wei=1;
&nbsp; &nbsp; &nbsp; &nbsp; wei=0;
&nbsp; &nbsp; P0=table[bai];
&nbsp; &nbsp; dua=1;
&nbsp; &nbsp; &nbsp; &nbsp; dua=0;
&nbsp; &nbsp; &nbsp; &nbsp; delay(2);
&nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; }
&nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; if(shi!=0)
&nbsp; &nbsp; &nbsp; &nbsp; {
&nbsp; &nbsp; P0=0xfd;
&nbsp; &nbsp; &nbsp; &nbsp; wei=1;
&nbsp; &nbsp; &nbsp; &nbsp; wei=0;
&nbsp; &nbsp; &nbsp; &nbsp; P0=table[shi];
&nbsp; &nbsp; dua=1;
&nbsp; &nbsp; &nbsp; &nbsp; dua=0;
&nbsp; &nbsp; &nbsp; &nbsp; delay(2);
}

&nbsp; &nbsp; &nbsp; &nbsp; P0=0xfb;
&nbsp; &nbsp; &nbsp; &nbsp; wei=1;
&nbsp; &nbsp; &nbsp; &nbsp; wei=0;
&nbsp; &nbsp; P0=table[ge];
&nbsp; &nbsp; dua=1;
&nbsp; &nbsp; &nbsp; &nbsp; dua=0;
&nbsp; &nbsp; &nbsp; &nbsp; delay(2);
}

void main()
{
init();
while(1)
&nbsp; &nbsp; &nbsp; &nbsp; {
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; display(bai,shi,ge);&nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; }

}

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