void init_lcd(void);
void init_port(void);
void portf(char);
void portk(char);
void setlcd(void);
void writedisplay(char);
void Display(char);
void setup() {
  // put your setup code here, to run once:
  init_port();
  init_lcd();
  write_lcd("lakshmanan");
}
void write_lcd(char *ptr){
  while(*ptr!=0){
    writedisplay(*ptr);
    ptr++;
  }
}
void Delay(char a){
  volatile long j;
  while(a){
    for(j=0;j<1000;j++);
    a--;
  }
}
void init_port(){
  volatile char *dirf=(volatile char*)0x30;
  *dirf=0xff;
  volatile char *dirk=(volatile char*)0x107;
  *dirk=0x03;
}
void portf(char a){
  volatile char *outf=(volatile char*)0x31;
  *outf=a;
  }
void portk(char t){
  volatile char *outk=(volatile char*)0x108;
  *outk=t;
}
void setlcd(){
  portk(0x01);
  Delay(1);
  portk(0x00);
  Delay(1);
}

void init_lcd(){
     portf(0x01);
     setlcd();
     portf(0x06);
     setlcd();
     portf(0x0f);
     setlcd();
     portf(0x38);
     setlcd();
}
void writedisplay(char r){
  portf(r);
  portk(0x02);
  Delay(1);
  portk(0x03);
  Delay(1);
  portk(0x02);
  Delay(1);

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

}