EEPW论坛

#include
#include
#define uint unsigned int
#define uchar unsigned char

sbit rs=P1^0;
sbit rw=P1^1;
sbit en=P1^2;

void delay(uint sum)
{
	int i,j;
	for(i=sum;i>0;i--)
		for(j=110;j>0;j--);	
}

void write_date(uchar date)
{
	rs=1;
	rw=0;
	P0=date;
	delay(5);
	en=1;
	delay(5);
	en=0;
}

void write_com(uint com)
{
	rs=0;
	rw=0;
	P0=com;
	delay(5);
	en=1;
	delay(5);
	en=0;
}

void init()
{
	en=0;
	write_com(0x38);
	write_com(0x0e);
	write_com(0x06);
	write_com(0x01);
	write_com(0x80+0x10);
} 

void main()
{
	init();
	write_date('a');
	delay(20);
	write_date('b');
	while(1);
}	

 下面是运行结果，总是这样显示，不知道问题出在哪？求大神指导···········