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/*************************************************************************
Yun Sung 16 Bit Games
*************************************************************************/
class yunsun16_state : public driver_device
{
public:
yunsun16_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_vram_0(*this, "vram_0"),
m_vram_1(*this, "vram_1"),
m_scrollram_0(*this, "scrollram_0"),
m_scrollram_1(*this, "scrollram_1"),
m_priorityram(*this, "priorityram"),
m_spriteram(*this, "spriteram"),
m_audiocpu(*this, "audiocpu"),
m_maincpu(*this, "maincpu"),
m_gfxdecode(*this, "gfxdecode") { }
/* memory pointers */
required_shared_ptr<UINT16> m_vram_0;
required_shared_ptr<UINT16> m_vram_1;
required_shared_ptr<UINT16> m_scrollram_0;
required_shared_ptr<UINT16> m_scrollram_1;
required_shared_ptr<UINT16> m_priorityram;
// UINT16 * m_paletteram; // currently this uses generic palette handling
required_shared_ptr<UINT16> m_spriteram;
/* other video-related elements */
tilemap_t *m_tilemap_0;
tilemap_t *m_tilemap_1;
int m_sprites_scrolldx;
int m_sprites_scrolldy;
/* devices */
optional_device<cpu_device> m_audiocpu;
DECLARE_WRITE16_MEMBER(yunsun16_sound_bank_w);
DECLARE_WRITE16_MEMBER(magicbub_sound_command_w);
DECLARE_WRITE16_MEMBER(yunsun16_vram_0_w);
DECLARE_WRITE16_MEMBER(yunsun16_vram_1_w);
DECLARE_DRIVER_INIT(magicbub);
TILEMAP_MAPPER_MEMBER(yunsun16_tilemap_scan_pages);
TILE_GET_INFO_MEMBER(get_tile_info_0);
TILE_GET_INFO_MEMBER(get_tile_info_1);
virtual void machine_start();
virtual void machine_reset();
virtual void video_start();
UINT32 screen_update_yunsun16(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_sprites( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect );
DECLARE_WRITE_LINE_MEMBER(soundirq);
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
};
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