class nmk16_state : public driver_device
{
public:
	nmk16_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag) { }

	int mask[4*2];
	UINT16* m_mainram;
	UINT16 *m_nmk_bgvideoram0;
	UINT16 *m_nmk_bgvideoram1;
	UINT16 *m_nmk_bgvideoram2;
	UINT16 *m_nmk_bgvideoram3;
	UINT16 *m_nmk_fgvideoram;
	UINT16 *m_nmk_txvideoram;
	UINT16 *m_gunnail_scrollram;
	UINT16 *m_gunnail_scrollramy;
	UINT16 *m_afega_scroll_0;
	UINT16 *m_afega_scroll_1;
	int m_simple_scroll;
	int m_redraw_bitmap;
	UINT16 *m_spriteram_old;
	UINT16 *m_spriteram_old2;
	int m_bgbank;
	int m_videoshift;
	int m_bioship_background_bank;
	UINT8 m_bioship_scroll[4];
	tilemap_t *m_bg_tilemap0;
	tilemap_t *m_bg_tilemap1;
	tilemap_t *m_bg_tilemap2;
	tilemap_t *m_bg_tilemap3;
	tilemap_t *m_tx_tilemap;
	tilemap_t *m_fg_tilemap;
	bitmap_ind16 *m_background_bitmap;
	int m_mustang_bg_xscroll;
	UINT8 m_scroll[4];
	UINT8 m_scroll_2[4];
	UINT16 m_vscroll[4];
	UINT8 *m_spriteram;
	size_t m_spriteram_size;
	int m_prot_count;
	UINT8 m_input_pressed;
	UINT8 m_start_helper;
	UINT8 m_coin_count[2];
	UINT8 m_coin_count_frac[2];
};


/*----------- defined in video/nmk16.c -----------*/

WRITE16_HANDLER( nmk_bgvideoram0_w );
WRITE16_HANDLER( nmk_bgvideoram1_w );
WRITE16_HANDLER( nmk_bgvideoram2_w );
WRITE16_HANDLER( nmk_bgvideoram3_w );

WRITE16_HANDLER( nmk_fgvideoram_w );
WRITE16_HANDLER( nmk_txvideoram_w );
WRITE16_HANDLER( nmk_scroll_w );
WRITE16_HANDLER( nmk_scroll_2_w );
WRITE16_HANDLER( nmk_flipscreen_w );
WRITE16_HANDLER( nmk_tilebank_w );
WRITE16_HANDLER( bioship_scroll_w );
WRITE16_HANDLER( bioship_bank_w );
WRITE16_HANDLER( mustang_scroll_w );
WRITE16_HANDLER( bioshipbg_scroll_w );
WRITE16_HANDLER( vandyke_scroll_w );
WRITE16_HANDLER( vandykeb_scroll_w );
WRITE16_HANDLER( manybloc_scroll_w );

VIDEO_START( macross );
SCREEN_UPDATE_IND16( manybloc );
VIDEO_START( gunnail );
VIDEO_START( macross2 );
VIDEO_START( raphero );
VIDEO_START( bjtwin );
VIDEO_START( bioship );
VIDEO_START( strahl );
SCREEN_UPDATE_IND16( bioship );
SCREEN_UPDATE_IND16( strahl );
SCREEN_UPDATE_IND16( macross );
SCREEN_UPDATE_IND16( gunnail );
SCREEN_UPDATE_IND16( bjtwin );
SCREEN_UPDATE_IND16( tharrier );
SCREEN_UPDATE_IND16( hachamf );
SCREEN_UPDATE_IND16( tdragon );
SCREEN_VBLANK( nmk );
SCREEN_VBLANK( strahl );

VIDEO_START( afega );
VIDEO_START( grdnstrm );
VIDEO_START( firehawk );
SCREEN_UPDATE_IND16( afega );
SCREEN_UPDATE_IND16( redhawkb );
SCREEN_UPDATE_IND16(redhawki );
SCREEN_UPDATE_IND16( bubl2000 );
SCREEN_UPDATE_IND16( firehawk );
