// Create
_tileSize = 32;
_tilew = _tileSize; // Tile Size Width
_tileh = _tileSize; // Tile Size Height
_tile_x = x div _tilew; // The horizontal tile position of the object
_tile_y = y div _tileh; // The vertical tile position of the object

// replace switch cases with below
case 1: _moveX = -1 * _spd[1]; _tile_x -= 1; break;
case 2: _moveX = 1 * _spd[1]; _tile_x += 1; break;
case 3: _moveY = -1 * _spd[1]; _tile_y -= 1; break;
case 4: _moveY = 1 * _spd[1]; _tile_y += 1; break;

// _spd[1] = 1;

// Add above alarm call "in alarm[1]"
if (x = _tile_x * _tilew and y = _tile_y * _tileh) {
if (_tile_x * _tilew > x + _tileSize * 2) {
_moveX = 0; // set to 0 if reached 2 cells
} else if (_tile_x * _tilew < x - _tileSize * 2) {
_moveX = 0; // set to 0 if reached 2 cells
}
if (_tile_y * _tileh > y + _tileSize * 2) {
_moveY = 0; // set to 0 if reached 2 cells
} else if (_tile_y * _tileh < y - _tileSize * 2) {
_moveY = 0; // set to 0 if reached 2 cells
}
}