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class speedspn_state : public driver_device
{
public:
speedspn_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_attram(*this, "attram"){ }
required_shared_ptr<UINT8> m_attram;
tilemap_t *m_tilemap;
UINT8 m_display_disable;
int m_bank_vidram;
UINT8* m_vidram;
DECLARE_READ8_MEMBER(speedspn_irq_ack_r);
DECLARE_WRITE8_MEMBER(speedspn_banked_rom_change);
DECLARE_WRITE8_MEMBER(speedspn_sound_w);
DECLARE_WRITE8_MEMBER(speedspn_vidram_w);
DECLARE_WRITE8_MEMBER(speedspn_attram_w);
DECLARE_READ8_MEMBER(speedspn_vidram_r);
DECLARE_WRITE8_MEMBER(speedspn_banked_vidram_change);
DECLARE_WRITE8_MEMBER(speedspn_global_display_w);
DECLARE_WRITE8_MEMBER(oki_banking_w);
TILE_GET_INFO_MEMBER(get_speedspn_tile_info);
virtual void video_start();
UINT32 screen_update_speedspn(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
};
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