/** 
 * getKeyText3() Replacement (v3.00)
 * by  Quarks (2013/May)
 * mod GoToLoop (2013/Aug)
 * 
 * http://forum.processing.org/topic/
 * problems-with-multiple-key-presses-more-specific-getkeytext-int-does-not-work
 *
 * http://forum.processing.org/topic/the-function-getkeytext-int-does-not-exist
 *
 * http://studio.processingtogether.com/sp/pad/export/ro.9cfU11egvzT6G/latest
 */

final static color FG = #FF0000, BG = -1;
final static int KEYS = 0500;
final static boolean[] keysDown = new boolean[KEYS];

void setup() {
  size(01000, 0500);
  stroke(BG);
}

void draw() {
  final int p = frameCount % width;
  line(p, 0, p, height);
  for (int k=0; k!=KEYS;)  if (keysDown[k++])  set(p, k, FG);
}

void keyPressed() {
  processKey(keyCode, true);
  print(keyCode + "\t");
}

void keyReleased() {
  processKey(keyCode, false);
}

static void processKey(int k, boolean kk) {
  if (k < KEYS)  keysDown[k] = kk;
}

static boolean isKeyDown(int k) {
  return keysDown[k];
}