public void handler() {
            PORT_START();
            /* IN0 */
            PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_COIN1);
            PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_COIN2);
            PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT | IPF_2WAY);
            PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT | IPF_2WAY);
            PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_BUTTON1);
            PORT_DIPNAME(0x20, 0x00, DEF_STR("Cabinet"));
            PORT_DIPSETTING(0x00, DEF_STR("Upright"));
            PORT_DIPSETTING(0x20, DEF_STR("Cocktail"));
            PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN);/* "reset" on schematics */
            PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN);

            PORT_START();
            /* IN1 */
            PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_START1);
            PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_START2);
            PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT | IPF_2WAY | IPF_COCKTAIL);
            PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT | IPF_2WAY | IPF_COCKTAIL);
            PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 | IPF_COCKTAIL);
            PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_UNKNOWN);/* probably unused */
            PORT_DIPNAME(0x40, 0x00, DEF_STR("Bonus_Life"));
            PORT_DIPSETTING(0x00, "30000");
            PORT_DIPSETTING(0x40, "50000");
            PORT_DIPNAME(0x80, 0x80, "Language");
            PORT_DIPSETTING(0x80, "English");
            PORT_DIPSETTING(0x00, "Japanese");

            PORT_START();
            /* DSW */
            PORT_DIPNAME(0x01, 0x00, DEF_STR("Unknown"));
            PORT_DIPSETTING(0x00, DEF_STR("Off"));
            PORT_DIPSETTING(0x01, DEF_STR("On"));
            PORT_DIPNAME(0x02, 0x00, DEF_STR("Unknown"));
            PORT_DIPSETTING(0x00, DEF_STR("Off"));
            PORT_DIPSETTING(0x02, DEF_STR("On"));
            PORT_DIPNAME(0x0c, 0x00, DEF_STR("Coinage"));
            PORT_DIPSETTING(0x00, DEF_STR("1C_1C"));
            PORT_DIPSETTING(0x04, DEF_STR("1C_2C"));
            PORT_DIPSETTING(0x08, DEF_STR("1C_3C"));
            PORT_DIPSETTING(0x0c, DEF_STR("Free_Play"));
            PORT_BIT(0xf0, IP_ACTIVE_HIGH, IPT_UNUSED);
            INPUT_PORTS_END();
        }