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/***************************************************************************
Kyugo hardware games
***************************************************************************/
class kyugo_state : public driver_device
{
public:
kyugo_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_fgvideoram(*this, "fgvideoram"),
m_bgvideoram(*this, "bgvideoram"),
m_bgattribram(*this, "bgattribram"),
m_spriteram_1(*this, "spriteram_1"),
m_spriteram_2(*this, "spriteram_2"),
m_shared_ram(*this, "shared_ram"){ }
/* memory pointers */
required_shared_ptr<UINT8> m_fgvideoram;
required_shared_ptr<UINT8> m_bgvideoram;
required_shared_ptr<UINT8> m_bgattribram;
required_shared_ptr<UINT8> m_spriteram_1;
required_shared_ptr<UINT8> m_spriteram_2;
required_shared_ptr<UINT8> m_shared_ram;
/* video-related */
tilemap_t *m_bg_tilemap;
tilemap_t *m_fg_tilemap;
UINT8 m_scroll_x_lo;
UINT8 m_scroll_x_hi;
UINT8 m_scroll_y;
int m_bgpalbank;
int m_fgcolor;
int m_flipscreen;
const UINT8 *m_color_codes;
/* devices */
cpu_device *m_maincpu;
cpu_device *m_subcpu;
UINT8 m_nmi_mask;
DECLARE_WRITE8_MEMBER(kyugo_nmi_mask_w);
DECLARE_WRITE8_MEMBER(kyugo_sub_cpu_control_w);
DECLARE_WRITE8_MEMBER(kyugo_coin_counter_w);
DECLARE_WRITE8_MEMBER(kyugo_fgvideoram_w);
DECLARE_WRITE8_MEMBER(kyugo_bgvideoram_w);
DECLARE_WRITE8_MEMBER(kyugo_bgattribram_w);
DECLARE_READ8_MEMBER(kyugo_spriteram_2_r);
DECLARE_WRITE8_MEMBER(kyugo_scroll_x_lo_w);
DECLARE_WRITE8_MEMBER(kyugo_gfxctrl_w);
DECLARE_WRITE8_MEMBER(kyugo_scroll_y_w);
DECLARE_WRITE8_MEMBER(kyugo_flipscreen_w);
DECLARE_DRIVER_INIT(srdmissn);
DECLARE_DRIVER_INIT(gyrodine);
TILE_GET_INFO_MEMBER(get_fg_tile_info);
TILE_GET_INFO_MEMBER(get_bg_tile_info);
virtual void machine_start();
virtual void machine_reset();
virtual void video_start();
UINT32 screen_update_kyugo(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(vblank_irq);
void draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect );
};
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