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class tankbust_state : public driver_device
{
public:
tankbust_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_txtram(*this, "txtram"),
m_videoram(*this, "videoram"),
m_colorram(*this, "colorram"),
m_spriteram(*this, "spriteram"){ }
int m_latch;
UINT32 m_timer1;
int m_e0xx_data[8];
UINT8 m_variable_data;
required_shared_ptr<UINT8> m_txtram;
required_shared_ptr<UINT8> m_videoram;
required_shared_ptr<UINT8> m_colorram;
tilemap_t *m_bg_tilemap;
tilemap_t *m_txt_tilemap;
UINT8 m_xscroll[2];
UINT8 m_yscroll[2];
required_shared_ptr<UINT8> m_spriteram;
UINT8 m_irq_mask;
DECLARE_WRITE8_MEMBER(tankbust_soundlatch_w);
DECLARE_WRITE8_MEMBER(tankbust_e0xx_w);
DECLARE_READ8_MEMBER(debug_output_area_r);
DECLARE_READ8_MEMBER(read_from_unmapped_memory);
DECLARE_READ8_MEMBER(some_changing_input);
DECLARE_WRITE8_MEMBER(tankbust_background_videoram_w);
DECLARE_READ8_MEMBER(tankbust_background_videoram_r);
DECLARE_WRITE8_MEMBER(tankbust_background_colorram_w);
DECLARE_READ8_MEMBER(tankbust_background_colorram_r);
DECLARE_WRITE8_MEMBER(tankbust_txtram_w);
DECLARE_READ8_MEMBER(tankbust_txtram_r);
DECLARE_WRITE8_MEMBER(tankbust_xscroll_w);
DECLARE_WRITE8_MEMBER(tankbust_yscroll_w);
DECLARE_READ8_MEMBER(tankbust_soundlatch_r);
DECLARE_READ8_MEMBER(tankbust_soundtimer_r);
TILE_GET_INFO_MEMBER(get_bg_tile_info);
TILE_GET_INFO_MEMBER(get_txt_tile_info);
};
/*----------- defined in video/tankbust.c -----------*/
VIDEO_START( tankbust );
SCREEN_UPDATE_IND16( tankbust );
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