namcos23.cpp

static INPUT_PORTS_START( downhill )
	PORT_START("P1")
	PORT_BIT( 0xfff, IP_ACTIVE_LOW, IPT_UNKNOWN )

	PORT_START("P2")
	PORT_BIT( 0xfff, IP_ACTIVE_LOW, IPT_UNKNOWN )   // 0x100 = freeze?

	PORT_START("IN01")
	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_BUTTON3)		// brake left
	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_START1)		// start
	PORT_BIT(0x100, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_TOGGLE
	PORT_BIT(0x200, IP_ACTIVE_LOW, IPT_JOYSTICK_UP)		// select up
	PORT_BIT(0x400, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN)	// select down
	PORT_BIT(0x800, IP_ACTIVE_LOW, IPT_BUTTON1)	// enter
	PORT_BIT(0xf00c, IP_ACTIVE_LOW, IPT_UNKNOWN)

	PORT_START("IN23")
	PORT_BIT(0x400, IP_ACTIVE_LOW, IPT_BUTTON4)		// brake right
	PORT_BIT(0xfbff, IP_ACTIVE_LOW, IPT_UNKNOWN)

	PORT_START("SERVICE")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_SERVICE )

	PORT_START("DSW")
	PORT_SERVICE( 0x01, IP_ACTIVE_LOW )
	PORT_DIPNAME( 0x02, 0x02, "Skip POST" )
	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x04, 0x04, "Freeze?" )
	PORT_DIPSETTING(    0x04, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x08, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x10, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x20, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x40, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
	PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
	PORT_DIPSETTING(    0x80, DEF_STR( Off ) )
	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
INPUT_PORTS_END