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#include "machine/k053252.h"
class hexion_state : public driver_device
{
public:
hexion_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_maincpu(*this, "maincpu"),
m_k053252(*this, "k053252")
{ }
required_device<cpu_device> m_maincpu;
required_device<k053252_device> m_k053252;
UINT8 *m_vram[2];
UINT8 *m_unkram;
int m_bankctrl;
int m_rambank;
int m_pmcbank;
int m_gfxrom_select;
tilemap_t *m_bg_tilemap[2];
DECLARE_WRITE8_MEMBER(coincntr_w);
DECLARE_WRITE8_MEMBER(hexion_bankswitch_w);
DECLARE_READ8_MEMBER(hexion_bankedram_r);
DECLARE_WRITE8_MEMBER(hexion_bankedram_w);
DECLARE_WRITE8_MEMBER(hexion_bankctrl_w);
DECLARE_WRITE8_MEMBER(hexion_gfxrom_select_w);
DECLARE_WRITE_LINE_MEMBER(hexion_irq_ack_w);
DECLARE_WRITE_LINE_MEMBER(hexion_nmi_ack_w);
TILE_GET_INFO_MEMBER(get_tile_info0);
TILE_GET_INFO_MEMBER(get_tile_info1);
virtual void video_start();
UINT32 screen_update_hexion(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_DEVICE_CALLBACK_MEMBER(hexion_scanline);
inline void get_tile_info(tile_data &tileinfo,int tile_index,UINT8 *ram);
};
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