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class welltris_state : public driver_device
{
public:
welltris_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) { }
int m_pending_command;
UINT16 *m_spriteram;
UINT16 *m_pixelram;
UINT16 *m_charvideoram;
tilemap_t *m_char_tilemap;
UINT8 m_gfxbank[8];
UINT16 m_charpalettebank;
UINT16 m_spritepalettebank;
UINT16 m_pixelpalettebank;
int m_scrollx;
int m_scrolly;
DECLARE_WRITE8_MEMBER(welltris_sh_bankswitch_w);
DECLARE_WRITE16_MEMBER(sound_command_w);
DECLARE_WRITE8_MEMBER(pending_command_clear_w);
DECLARE_READ16_MEMBER(welltris_spriteram_r);
DECLARE_WRITE16_MEMBER(welltris_spriteram_w);
DECLARE_WRITE16_MEMBER(welltris_palette_bank_w);
DECLARE_WRITE16_MEMBER(welltris_gfxbank_w);
DECLARE_WRITE16_MEMBER(welltris_scrollreg_w);
DECLARE_WRITE16_MEMBER(welltris_charvideoram_w);
void setbank(int num, int bank);
DECLARE_CUSTOM_INPUT_MEMBER(pending_sound_r);
};
/*----------- defined in video/welltris.c -----------*/
VIDEO_START( welltris );
SCREEN_UPDATE_IND16( welltris );
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