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/*************************************************************************
Megazone
*************************************************************************/
class megazone_state : public driver_device
{
public:
megazone_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_scrolly(*this, "scrolly"),
m_scrollx(*this, "scrollx"),
m_videoram(*this, "videoram"),
m_videoram2(*this, "videoram2"),
m_colorram(*this, "colorram"),
m_colorram2(*this, "colorram2"),
m_spriteram(*this, "spriteram"){ }
/* memory pointers */
required_shared_ptr<UINT8> m_scrolly;
required_shared_ptr<UINT8> m_scrollx;
required_shared_ptr<UINT8> m_videoram;
required_shared_ptr<UINT8> m_videoram2;
required_shared_ptr<UINT8> m_colorram;
required_shared_ptr<UINT8> m_colorram2;
required_shared_ptr<UINT8> m_spriteram;
/* video-related */
bitmap_ind16 *m_tmpbitmap;
int m_flipscreen;
/* misc */
int m_i8039_status;
/* devices */
cpu_device *m_maincpu;
cpu_device *m_audiocpu;
cpu_device *m_daccpu;
UINT8 m_irq_mask;
DECLARE_WRITE8_MEMBER(megazone_i8039_irq_w);
DECLARE_WRITE8_MEMBER(i8039_irqen_and_status_w);
DECLARE_WRITE8_MEMBER(megazone_coin_counter_w);
DECLARE_WRITE8_MEMBER(irq_mask_w);
DECLARE_WRITE8_MEMBER(megazone_flipscreen_w);
DECLARE_READ8_MEMBER(megazone_port_a_r);
DECLARE_WRITE8_MEMBER(megazone_port_b_w);
DECLARE_DRIVER_INIT(megazone);
};
/*----------- defined in video/megazone.c -----------*/
PALETTE_INIT( megazone );
VIDEO_START( megazone );
SCREEN_UPDATE_IND16( megazone );
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