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class speedatk_state : public driver_device
{
public:
speedatk_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_videoram(*this, "videoram"),
m_colorram(*this, "colorram"){ }
required_shared_ptr<UINT8> m_videoram;
required_shared_ptr<UINT8> m_colorram;
UINT8 m_crtc_vreg[0x100];
UINT8 m_crtc_index;
UINT8 m_flip_scr;
UINT8 m_mux_data;
UINT8 m_km_status;
UINT8 m_coin_settings;
UINT8 m_coin_impulse;
DECLARE_READ8_MEMBER(key_matrix_r);
DECLARE_WRITE8_MEMBER(key_matrix_w);
DECLARE_READ8_MEMBER(key_matrix_status_r);
DECLARE_WRITE8_MEMBER(key_matrix_status_w);
DECLARE_WRITE8_MEMBER(speedatk_videoram_w);
DECLARE_WRITE8_MEMBER(speedatk_colorram_w);
DECLARE_WRITE8_MEMBER(speedatk_6845_w);
DECLARE_WRITE8_MEMBER(speedatk_output_w);
virtual void video_start();
virtual void palette_init();
UINT32 screen_update_speedatk(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
};
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