Processing code

import processing.serial.*;
Serial port;
int[]bjval;

void setup()
{
  println(Serial.list());
  port = new Serial(this, Serial.list() [0], 9600);

}

void draw()
{
  if(keyPressed)
  {
     if (key == 'w' || key == 'W') {
      port.write('W');
    }
 if (key == 's' || key == 'S') {
      port.write('S');
    }
 if (key == 'a' || key == 'A') {
      port.write('A');
    }
 if (key == 'd' || key == 'D') {
      port.write('D');
    }
 if (key == 'k' || key == 'K') {
      port.write('K');
    }
 if (key == 'i' || key == 'I') {
      port.write('I');
    }
 if (key == 'j' || key == 'J') {
      port.write('J');
    }
 if (key == 'l' || key == 'L') {
      port.write('L');
    }
  }
}