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class m52_state : public driver_device
{
public:
m52_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) { }
/* memory pointers */
UINT8 * m_videoram;
UINT8 * m_spriteram;
size_t m_spriteram_size;
UINT8 * m_colorram;
/* video-related */
tilemap_t* m_bg_tilemap;
UINT8 m_bg1xpos;
UINT8 m_bg1ypos;
UINT8 m_bg2xpos;
UINT8 m_bg2ypos;
UINT8 m_bgcontrol;
};
/*----------- defined in video/m52.c -----------*/
READ8_HANDLER( m52_protection_r );
WRITE8_HANDLER( m52_scroll_w );
WRITE8_HANDLER( m52_bg1xpos_w );
WRITE8_HANDLER( m52_bg1ypos_w );
WRITE8_HANDLER( m52_bg2xpos_w );
WRITE8_HANDLER( m52_bg2ypos_w );
WRITE8_HANDLER( m52_bgcontrol_w );
WRITE8_HANDLER( m52_flipscreen_w );
WRITE8_HANDLER( alpha1v_flipscreen_w );
WRITE8_HANDLER( m52_videoram_w );
WRITE8_HANDLER( m52_colorram_w );
PALETTE_INIT( m52 );
VIDEO_START( m52 );
SCREEN_UPDATE( m52 );
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