LCD can't display second line data

[VISHALMISHRA540]

Hi, i am using 2x16 LCD module and interface with AT89S52, when i try to display data on second line , the LCD doesn't work, can someone figure out what's with my code?


#include<reg52.h>
#define LCDDATA P2

sbit RS =P0^5;
sbit RW=P0^6;
sbit EN=P0^7;
sbit BUSY=P0^7;
sbit switch1=P1^0;

sbit THY1=P1^0;
sbit com_pin=P1^0;

bit update_flag=0x12;
bit timecount_flag=0x11;
bit zvs_flag=0x12;
bit zcs_flag=0x12;
bit lead_flag=0x13;
bit lag_flag=0x14;

unsigned char high_count,high_count1;
unsigned char low_count,low_count1,count,time_count;
unsigned int Time;
void Init_LCD();
void BusyCheck();
void LCDCMD(unsigned char CMD);
void LCDData(unsigned char Data);
void LCDString(unsigned char*str);
void delay1();
void Int0_ZVS_ISR(void)interrupt 0
{
if(zcs_flag==1)
{
zcs_flag=0;
TR1=0;
high_count=TH1;
low_count=TL1;
timecount_flag=1;
}
}
void Int1_ZCS_ISR(void)interrupt 1
{
if(lead_flag==1)
{
TMOD|=0X10;
TH1=0X00;
TL1=0X00;
TR1=1;
zcs_flag=1;
}
}
void INIT_INT01()
{
EX0=1;
EX1=1;
}
void Init_Timer0()
{
TMOD|=0X01;
TH0=0X00;
TL0=0X00;
}
void main()
{
Init_LCD();
LCDString("TSR FACTS PROJCT");
LCDCMD(0Xc0);
LCDString("VOLT COMNSTION");
INIT_INT01();
Init_Timer0();
delay1();
while(1)
{
if(com_pin==1)
{
THY1=1;
delay1();
lead_flag=1;

while(timecount_flag==1);

lead_flag=0;
zvs_flag=0;
zcs_flag=0;
timecount_flag=0;

high_count1=high_count;
low_count1=low_count;
Time=(((256*high_count1)+low_count1));
if(Time>3000)
{
LCDCMD(0X80);
LCDString("HIGH VOLTAGE");
LCDCMD(0Xc0);
LCDString("CAPACITIVE LOAD");
}
}
if(com_pin==0)
{
THY1=0;
lead_flag=0;
delay1();
lead_flag=1;
while(timecount_flag==1);
lead_flag=0;
zvs_flag=0;
zcs_flag=0;
timecount_flag=0;

high_count1=high_count;
low_count1=low_count;
Time=(((256*high_count1)+low_count));

if(Time<3000)
{
LCDCMD(0x80);
LCDString("NORMAL VOLTAGE");
LCDCMD(0xc0);
LCDString("COMPENSATE MODE");
}
}
}
}
void delay1()
{
int p,q;
for(p=0;p<500;p++)
for(q=0;q<3000;q++);
}
void LCDCMD(unsigned char CMD)
{
LCDDATA=CMD;
RS=0;
RW=0;
EN=1;
EN=0;
}
void LCDData(unsigned char Data)
{
LCDDATA=Data;
RS=1;
RW=0;
EN=1;
EN=0;
}
void LCDString(unsigned char*str)
{
while(*str)
{
LCDData(*str);
str++;
}
}
void Init_LCD()
{
LCDCMD(0x38);

LCDCMD(0x06);

LCDCMD(0x0C);

LCDCMD(0x02);

}