    m_column = x;
    m_page = y;
    commandStart();
    this->send(0xB0 | y); // set page
    this->send(((x+2)>>4) | 0x10); // high column
    this->send(((x+2) & 0x0f) | 0x00); // low column
    if (m_dc >= 0)
    {
        spiDataMode(1);
    }
    else
    {
        this->stop();
        this->start();
        this->send(0x40);
    }
