public int countTileNum (VM_Address start, VM_Address end, int tileSize) { if (end.LE(start)) return 0; int diff = end.diff(start).toInt(); int tiles = diff / tileSize; if ( (diff % tileSize) != 0 ) ++tiles; return tiles; }
public int countTileNum (VM_Address start, VM_Address end, int tileSize) { return 0; }
 public int countTileNum (VM_Address start, VM_Address end, int tileSize) {    if (end.LE(start)) return 0;    int diff = end.diff(start).toInt();    int tiles = diff / tileSize;    if ( (diff % tileSize) != 0 )      ++tiles;    return tiles;  }