【求助】如何让郭天祥51单片机1602液晶显示第一行向左第二行右

【求助】如何让郭天祥51单片机1602液晶显示第一行向左，第二行向右
#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
uchar code table[]="huan ying guanglin" ;
uchar code table1[]="wo shi shijie diyi" ;
sbit lcden=P3^4;
sbit lcdrs=P3^5;
sbit dula=P2^6;
sbit wela=P2^7;
uchar num;
void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void write_com(uchar com)
{
lcdrs=0;
P0=com;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void write_date(uchar date)
{
lcdrs=1;
P0=date;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void init()
{
dula=0;
wela=0;
lcden=0;
write_com(0x38);
write_com(0x0c);
write_com(0x07);
write_com(0x01);
}
void main()
{
init();
write_com(0x80+0x10);
for(num=0;num<15;num++)
{
write_date(table[num]);
delay(5);
}
for(num=0;num<16;num++)
{write_com(0x18);
delay(200);
write_com(0x80+0x4f);
for(num=0;num<16;num++)
{write_date(table1[num]);
delay(5);
}
for(num=0;num<16;num++)
{write_com(0x1c);
delay(200);
}
while(1);
} }