void initport()
{
  volatile char *dirf,*dirk;
  dirf=0x30;
  *dirf=0xFF;
  dirk=0x107;
  *dirk=0x03;

}



void outputf(char data)
{
  volatile char *outf;
  outf=0x31;
  *outf=data;
}

void outputk(char data2)
{
  volatile char *outk;
  outk=0x108;
  *outk=data2;
}

void enable_pulse()
{
  outputk(0x01);
  delayMicroseconds(1000);
  outputk(0x00);
  delayMicroseconds(1000);
}
void LCD_setup()
{
  outputf(0x38);//function mode set DL=8,n=2;font=5X8
  enable_pulse();
  outputf(0x0C);//no cursor,display on,no cursor blink
  enable_pulse();
}

void write_lcd(unsigned char data3)
{
  outputf(data3);
  outputk(0x02);//RS is high
  delayMicroseconds(100);
  outputk(0x01);//en is high
  delayMicroseconds(100);
  outputk(0x02);//en is low

}

void clear_disp()
{
  outputf(0x01);
  enable_pulse();
}
void DRAM_address(unsigned char data4)
{
  outputf(data4);
  enable_pulse();
}

/*void string1(unsigned char *ptr)
{
  while(*ptr !='\0')
  {
    write_lcd(*ptr);
    ptr++;
  }
}

void entrymode(unsigned char data5)
{
  outputk(0x00);
  outputf(data5);
  enable_pulse();
}*/


void setup() {
  // put your setup code here, to run once:
  initport();
  LCD_setup();
  DRAM_address(0x89);
  write_lcd('h');
  delay(1000);
  write_lcd('e');
  delay(1000);
  



}

void loop() {
  // put your main code here, to run repeatedly:

}