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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) { }
/* memory pointers */
UINT8 * m_videoram;
UINT8 * m_colorram;
UINT8 * m_videoram2;
UINT8 * m_spriteram;
UINT8 * m_bg_scrollram;
UINT8 * m_fg_scrollram;
UINT8 * m_ay8910_enable;
size_t m_spriteram_size;
/* video-related */
tilemap_t *m_bg_tilemap;
tilemap_t *m_fg_tilemap;
bitmap_t* m_helper;
bitmap_t* 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 */
device_t *m_maincpu;
device_t *m_ay1;
device_t *m_ay2;
};
/*----------- defined in video/mermaid.c -----------*/
WRITE8_HANDLER( mermaid_videoram2_w );
WRITE8_HANDLER( mermaid_videoram_w );
WRITE8_HANDLER( mermaid_colorram_w );
WRITE8_HANDLER( mermaid_flip_screen_x_w );
WRITE8_HANDLER( mermaid_flip_screen_y_w );
WRITE8_HANDLER( mermaid_bg_scroll_w );
WRITE8_HANDLER( mermaid_fg_scroll_w );
WRITE8_HANDLER( rougien_gfxbankswitch1_w );
WRITE8_HANDLER( rougien_gfxbankswitch2_w );
READ8_HANDLER( mermaid_collision_r );
PALETTE_INIT( mermaid );
PALETTE_INIT( rougien );
VIDEO_START( mermaid );
SCREEN_UPDATE( mermaid );
SCREEN_EOF( mermaid );
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