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// license:BSD-3-Clause
// copyright-holders:Stefan Jokisch
#include "sound/discrete.h"
class skyraid_state : public driver_device
{
public:
skyraid_state(const machine_config &mconfig, device_type type, std::string 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"),
m_discrete(*this, "discrete"),
m_maincpu(*this, "maincpu"),
m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette") { }
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;
required_device<discrete_device> m_discrete;
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() override;
DECLARE_PALETTE_INIT(skyraid);
UINT32 screen_update_skyraid(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
DECLARE_WRITE8_MEMBER(skyraid_sound_w);
void draw_text(bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_terrain(bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_missiles(bitmap_ind16 &bitmap, const rectangle &cliprect);
void draw_trapezoid(bitmap_ind16& dst, bitmap_ind16& src);
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
};
/*----------- defined in audio/skyraid.c -----------*/
DISCRETE_SOUND_EXTERN( skyraid );
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