作者：佚名    来源：不详

//74HC47+74HC138译码
//
#include<reg52.h>
#include<absacc.h>
#include<intrins.h>

#define uchar unsigned char
#define uint unsigned int
uchar code tablewe[]={0x0f,0x1f,0x2f,0x3f,0x4f,0x5f,0x6f,0x7f,};
uchar code table[]={0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09};
void display(uchar bai,uint shi,uint ge);

void Keyscan();  
void Dispaly(uchar);
void delay(uchar z);

void main()
{
while(1)
{
P0&=0xF0;//
P0|=table[3];//显示数字3
delay(1);

P0&=0x0F;//
P0|=tablewe[2];//第3位显示
delay(1);
}
}