public void handler() {
            PORT_START();   /* IN1 */

            PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN);
            PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_BUTTON1);
            PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_BUTTON2);
            PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNKNOWN);
            PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY);
            PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY);
            PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY);
            PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY);

            PORT_START();   /* IN2 */

            PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN);
            PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_COCKTAIL);
            PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_COCKTAIL);
            PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNKNOWN);
            PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY | IPF_COCKTAIL);
            PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY | IPF_COCKTAIL);
            PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY | IPF_COCKTAIL);
            PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY | IPF_COCKTAIL);

            PORT_START();   /* IN0 */

            PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_COIN1);
            PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_COIN2);
            PORT_BITX(0x04, IP_ACTIVE_LOW, IPT_SERVICE, DEF_STR("Service_Mode"), KEYCODE_F2, IP_JOY_NONE);
            PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_COIN3);
            PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_START1);
            PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_START2);
            PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNKNOWN);
            PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNKNOWN);

            PORT_START(); 	  /* DSW1 */

            PORT_DIPNAME(0x0f, 0x0f, DEF_STR("Coin_A"));
            PORT_DIPSETTING(0x07, DEF_STR("4C_1C"));
            PORT_DIPSETTING(0x08, DEF_STR("3C_1C"));
            PORT_DIPSETTING(0x09, DEF_STR("2C_1C"));
            PORT_DIPSETTING(0x05, "2 Coins/1 Credit 5/3 6/4");
            PORT_DIPSETTING(0x04, "2 Coins/1 Credit 4/3");
            PORT_DIPSETTING(0x0f, DEF_STR("1C_1C"));
            PORT_DIPSETTING(0x03, "1 Coin/1 Credit 5/6");
            PORT_DIPSETTING(0x02, "1 Coin/1 Credit 4/5");
            PORT_DIPSETTING(0x01, "1 Coin/1 Credit 2/3");
            PORT_DIPSETTING(0x06, DEF_STR("2C_3C"));
            PORT_DIPSETTING(0x0e, DEF_STR("1C_2C"));
            PORT_DIPSETTING(0x0d, DEF_STR("1C_3C"));
            PORT_DIPSETTING(0x0c, DEF_STR("1C_4C"));
            PORT_DIPSETTING(0x0b, DEF_STR("1C_5C"));
            PORT_DIPSETTING(0x0a, DEF_STR("1C_6C"));
            PORT_DIPNAME(0xf0, 0xf0, DEF_STR("Coin_B"));
            PORT_DIPSETTING(0x70, DEF_STR("4C_1C"));
            PORT_DIPSETTING(0x80, DEF_STR("3C_1C"));
            PORT_DIPSETTING(0x90, DEF_STR("2C_1C"));
            PORT_DIPSETTING(0x50, "2 Coins/1 Credit 5/3 6/4");
            PORT_DIPSETTING(0x40, "2 Coins/1 Credit 4/3");
            PORT_DIPSETTING(0xf0, DEF_STR("1C_1C"));
            PORT_DIPSETTING(0x30, "1 Coin/1 Credit 5/6");
            PORT_DIPSETTING(0x20, "1 Coin/1 Credit 4/5");
            PORT_DIPSETTING(0x10, "1 Coin/1 Credit 2/3");
            PORT_DIPSETTING(0x60, DEF_STR("2C_3C"));
            PORT_DIPSETTING(0xe0, DEF_STR("1C_2C"));
            PORT_DIPSETTING(0xd0, DEF_STR("1C_3C"));
            PORT_DIPSETTING(0xc0, DEF_STR("1C_4C"));
            PORT_DIPSETTING(0xb0, DEF_STR("1C_5C"));
            PORT_DIPSETTING(0xa0, DEF_STR("1C_6C"));

            PORT_START();   /* DSW1 */

            PORT_DIPNAME(0x01, 0x00, DEF_STR("Cabinet"));
            PORT_DIPSETTING(0x00, DEF_STR("Upright"));
            PORT_DIPSETTING(0x01, DEF_STR("Cocktail"));
            PORT_DIPNAME(0x02, 0x00, DEF_STR("Demo_Sounds"));
            PORT_DIPSETTING(0x02, DEF_STR("Off"));
            PORT_DIPSETTING(0x00, DEF_STR("On"));
            PORT_DIPNAME(0x0c, 0x0c, DEF_STR("Lives"));
            PORT_DIPSETTING(0x0c, "3");
            PORT_DIPSETTING(0x08, "4");
            PORT_DIPSETTING(0x04, "5");
            PORT_BITX(0, 0x00, IPT_DIPSWITCH_SETTING | IPF_CHEAT, "Infinite", IP_KEY_NONE, IP_JOY_NONE);
            PORT_DIPNAME(0x30, 0x30, DEF_STR("Bonus_Life"));
            PORT_DIPSETTING(0x30, "50000 100000");
            PORT_DIPSETTING(0x20, "60000 120000");
            PORT_DIPSETTING(0x10, "70000 150000");
            PORT_DIPSETTING(0x00, "100000");
            PORT_DIPNAME(0x40, 0x40, DEF_STR("Difficulty"));
            PORT_DIPSETTING(0x40, "Easy");
            PORT_DIPSETTING(0x00, "Hard");
            PORT_DIPNAME(0x80, 0x00, "Allow Continue");
            PORT_DIPSETTING(0x80, DEF_STR("No"));
            PORT_DIPSETTING(0x00, DEF_STR("Yes"));
            INPUT_PORTS_END();
        }