void Lcd_Port(char a){
    if (a & 1) D4=1;
    else D4=0;

     if (a & 2) D5=1;
    else D5=0;

     if (a & 4) D6=1;
    else D6=0;

     if (a & 8) D7=1;
    else D7=0;
}
void Lcd_Cmd(char a){
    RS=0;
    Lcd_Port(a);
    EN=1;
    __delay_ms(20);
    EN=0;
}
void Lcd_Clear(){
    Lcd_Cmd(0);
    Lcd_Cmd(1);
}
void Lcd_Set_Cursor(char a,char b){
    char temp,y,z;
    if(a==1){
        temp=0x80+b-1;
        z=temp>>4;
        y=temp&0x0F;
        Lcd_Cmd(z);
        Lcd_Cmd(y);
    }
    else if(a==2){
        temp=0xC0+b-1;
        z=temp>>4;
        y=temp&0x0F;
        Lcd_Cmd(z);
        Lcd_Cmd(y);
    }
}
void Lcd_Write_Char(char a){
    char temp,y;

    temp=a&0x0F;
    y=a&0xF0;

    RS=1;
    Lcd_Port(y>>4);
    EN=1;
    __delay_us(40);
    EN=0;
    Lcd_Port(temp);
    EN=1;
    __delay_us(40);
    EN=0;
}
void Lcd_Write_String(char** a){
    int i;
    for(i=0;a[i]!='\0';i++){
        Lcd_Write_Char(a[i]);
    }
}
void Lcd_Init(){
    Lcd_Cmd(0x00);
    __delay_ms(20);
     Lcd_Cmd(0x03);
    __delay_ms(5);
     Lcd_Cmd(0x03);
    __delay_ms(11);
     Lcd_Cmd(0x03);

      Lcd_Cmd(0x02);
      Lcd_Cmd(0x02);

      Lcd_Cmd(0x08);
      Lcd_Cmd(0x00);
      Lcd_Cmd(0x0C);
      Lcd_Cmd(0x00);
      Lcd_Cmd(0x06);
}
void Lcd_Shift_Right(){
Lcd_Cmd(0x01);
      Lcd_Cmd(0x0C);
}
void Lcd_Shift_Left(){
Lcd_Cmd(0x01);
      Lcd_Cmd(0x08);
}