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/*************************************************************************
Mermaid
*************************************************************************/
class mermaid_state : public driver_device
{
public:
mermaid_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_videoram2(*this, "videoram2"),
m_videoram(*this, "videoram"),
m_bg_scrollram(*this, "bg_scrollram"),
m_fg_scrollram(*this, "fg_scrollram"),
m_spriteram(*this, "spriteram"),
m_colorram(*this, "colorram"),
m_ay8910_enable(*this, "ay8910_enable"){ }
/* memory pointers */
required_shared_ptr<UINT8> m_videoram2;
required_shared_ptr<UINT8> m_videoram;
required_shared_ptr<UINT8> m_bg_scrollram;
required_shared_ptr<UINT8> m_fg_scrollram;
required_shared_ptr<UINT8> m_spriteram;
required_shared_ptr<UINT8> m_colorram;
required_shared_ptr<UINT8> m_ay8910_enable;
/* video-related */
tilemap_t *m_bg_tilemap;
tilemap_t *m_fg_tilemap;
bitmap_ind16 m_helper;
bitmap_ind16 m_helper2;
int m_coll_bit0;
int m_coll_bit1;
int m_coll_bit2;
int m_coll_bit3;
int m_coll_bit6;
int m_rougien_gfxbank1;
int m_rougien_gfxbank2;
/* sound-related */
UINT32 m_adpcm_pos;
UINT32 m_adpcm_end;
UINT8 m_adpcm_idle;
int m_adpcm_data;
UINT8 m_adpcm_trigger;
UINT8 m_adpcm_rom_sel;
UINT8 m_adpcm_play_reg;
/* devices */
cpu_device *m_maincpu;
device_t *m_ay1;
device_t *m_ay2;
UINT8 m_nmi_mask;
DECLARE_WRITE8_MEMBER(mermaid_ay8910_write_port_w);
DECLARE_WRITE8_MEMBER(mermaid_ay8910_control_port_w);
DECLARE_WRITE8_MEMBER(nmi_mask_w);
DECLARE_WRITE8_MEMBER(rougien_sample_rom_lo_w);
DECLARE_WRITE8_MEMBER(rougien_sample_rom_hi_w);
DECLARE_WRITE8_MEMBER(rougien_sample_playback_w);
DECLARE_WRITE8_MEMBER(mermaid_videoram2_w);
DECLARE_WRITE8_MEMBER(mermaid_videoram_w);
DECLARE_WRITE8_MEMBER(mermaid_colorram_w);
DECLARE_WRITE8_MEMBER(mermaid_flip_screen_x_w);
DECLARE_WRITE8_MEMBER(mermaid_flip_screen_y_w);
DECLARE_WRITE8_MEMBER(mermaid_bg_scroll_w);
DECLARE_WRITE8_MEMBER(mermaid_fg_scroll_w);
DECLARE_WRITE8_MEMBER(rougien_gfxbankswitch1_w);
DECLARE_WRITE8_MEMBER(rougien_gfxbankswitch2_w);
DECLARE_READ8_MEMBER(mermaid_collision_r);
TILE_GET_INFO_MEMBER(get_bg_tile_info);
TILE_GET_INFO_MEMBER(get_fg_tile_info);
virtual void machine_start();
virtual void machine_reset();
virtual void video_start();
virtual void palette_init();
DECLARE_PALETTE_INIT(rougien);
UINT32 screen_update_mermaid(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void screen_eof_mermaid(screen_device &screen, bool state);
};
/*----------- defined in video/mermaid.c -----------*/
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