程序
#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
sbit dula=P2^6;
sbit wela=P2^7;
uchar num;
uchar code table[]={0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};
void delay(uint z)
{
uint x,y;
for(x=100;x>0;x--)
for(y=z;y>0;y--);
}
void main()
{
wela=1;
P0=0XC0;
wela=0;
while(1)
{
for(num=0;num<16;num++);
{
dula=1;
P0=table[num];
dula=0;
delay(100);;
}
}
}
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