screenIsAttr[pos] = isAttr;
screenIsAttr[pos] = (isAttr ? '1' : '0');
   protected void setScreenCharAndAttr(int pos, char c, int attr, boolean isAttr) {      screen[pos] = c;      screenAttr[pos] = attr;      disperseAttribute(pos,attr);      screenIsAttr[pos] = isAttr;      screenGUI[pos] = initChar;   }