#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
#define time 1
sbit RS=P2^7;
sbit RW=P2^6;
sbit EN=P2^5;
uchar num;
//sbit PSB=P2^4;
uchar code dis1[]={"2009－04－13 TUE"};
uchar code dis2[]={"2009－04－13-TUE"};
uchar code dis3[]={"14:13:45"};
uchar code dis4[]={"alarm"};
void delay1ms(uint x)
{
	uint i,j;
    for(j=0;j<x;j++)
	for(i=0;i<110;i++);
}
void wcom(uchar com)
{
	RS=0;
	RW=0;
	EN=0;
	P0=com;
	delay1ms(time);
	EN=1;
	delay1ms(time);
	EN=0;
}
void wdata(uchar dat)
{
	RS=1;
	RW=0;
	EN=0;
	P0=dat;
	delay1ms(time);
	EN=1;
	delay1ms(time);
	EN=0;
}
void pos(uchar X,uchar Y)
{
	uchar pos;
	if(X==0)
	{X=0x80;}
	else if(X==1)
	{X=0x90;}
	else if(X==2)
	{X=0x88;}
	else if(X==3)
	{X=0x98;}
	pos=X+Y;
	wcom(pos);
	
}
void init()
{
	wcom(0x30);//基本指令操作
	delay1ms(time);
	wcom(0x0c);//顯示開關(guān)坐標(biāo)
	delay1ms(time);
	wcom(0x01);//清屏
	delay1ms(time);
}
void main()
{
		uchar k;
		init();
    	pos(0,0);
	for(num=0;num<16;num++)
	{
		wdata(dis1[num]);
	}
		pos(1,0);
	for(num=0;num<16;num++)
	{
		wdata(dis2[num]);
	}

		pos(2,2);
		num=0;
while(dis3[num]!='\0')
		{
			wdata(dis3[num]);
			num++;
		}

		pos(3,0);
	num=0;
while(dis4[num]!='\0')
		{
			wdata(dis4[num]);
			num++;
		}
	while(1);
		
}