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#include "sound/discrete.h"
class skyraid_state : public driver_device
{
public:
skyraid_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_pos_ram(*this, "pos_ram"),
m_alpha_num_ram(*this, "alpha_num_ram"),
m_obj_ram(*this, "obj_ram"){ }
int m_analog_range;
int m_analog_offset;
int m_scroll;
required_shared_ptr<UINT8> m_pos_ram;
required_shared_ptr<UINT8> m_alpha_num_ram;
required_shared_ptr<UINT8> m_obj_ram;
bitmap_ind16 m_helper;
DECLARE_READ8_MEMBER(skyraid_port_0_r);
DECLARE_WRITE8_MEMBER(skyraid_range_w);
DECLARE_WRITE8_MEMBER(skyraid_offset_w);
DECLARE_WRITE8_MEMBER(skyraid_scroll_w);
virtual void video_start();
virtual void palette_init();
};
/*----------- defined in audio/skyraid.c -----------*/
DISCRETE_SOUND_EXTERN( skyraid );
WRITE8_DEVICE_HANDLER( skyraid_sound_w );
/*----------- defined in video/skyraid.c -----------*/
SCREEN_UPDATE_IND16(skyraid);
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