    m_width = w;
    m_column = x;
    m_page = y;
    this->start();
    spiDataMode(0);
    if (w == 1) this->send( 0x22 ); else this->send( 0x20 );
    this->send(0x80 | x);
    this->send(0x40 | y);
    spiDataMode(1);
