//segmain.c
#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit DU=P2^6;
sbit WE=P2^7;
uchar code sz[17]={0x3f, 0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,
0x77,0x7c,0x39,0x5e,0x79,0x71,0x00,};
void delay(uint xms)
{
uint i,j;
for(i=xms;i>0;i--)
for(j=112;j>0;j--);
}
void main()
{
while(1)
{
P0=sz[2];
DU=1;
DU=0;
P0=0x7f;
WE=1;
WE=0;
delay(2);
P0=sz[0];
DU=1;
DU=0;
P0=0xbf;
WE=1;
WE=0;
delay(2);
P0=sz[0];
DU=1;
DU=0;
P0=0xdf;
WE=1;
WE=0;
delay(2);
P0=sz[3];
DU=1;
DU=0;
P0=0xef;
WE=1;
WE=0;
delay(2);
P0=sz[0];
DU=1;
DU=0;
P0=0xf7;
WE=1;
WE=0;
delay(2);
P0=sz[2];
DU=1;
DU=0;
P0=0xfb;
WE=1;
WE=0;
delay(2);
P0=sz[0];
DU=1;
DU=0;
P0=0xfd;
WE=1;
WE=0;
delay(2);
P0=sz[1];
DU=1;
DU=0;
P0=0xfe;
WE=1;
WE=0;
delay(2);
}
}
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