1 // license:BSD-3-Clause
2 // copyright-holders:Stefan Jokisch
3 #ifndef MAME_INCLUDES_SKYRAID_H
4 #define MAME_INCLUDES_SKYRAID_H
5 
6 #pragma once
7 
8 #include "sound/discrete.h"
9 #include "emupal.h"
10 
11 class skyraid_state : public driver_device
12 {
13 public:
skyraid_state(const machine_config & mconfig,device_type type,const char * tag)14 	skyraid_state(const machine_config &mconfig, device_type type, const char *tag) :
15 		driver_device(mconfig, type, tag),
16 		m_pos_ram(*this, "pos_ram"),
17 		m_alpha_num_ram(*this, "alpha_num_ram"),
18 		m_obj_ram(*this, "obj_ram"),
19 		m_discrete(*this, "discrete"),
20 		m_maincpu(*this, "maincpu"),
21 		m_gfxdecode(*this, "gfxdecode"),
22 		m_palette(*this, "palette"),
23 		m_led(*this, "led")
24 	{ }
25 
26 	void skyraid(machine_config &config);
27 
28 private:
29 	uint8_t skyraid_port_0_r();
30 	void skyraid_range_w(uint8_t data);
31 	void skyraid_offset_w(uint8_t data);
32 	void skyraid_scroll_w(uint8_t data);
33 	virtual void machine_start() override;
34 	virtual void video_start() override;
35 	void skyraid_palette(palette_device &palette) const;
36 	uint32_t screen_update_skyraid(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
37 	void skyraid_sound_w(uint8_t data);
38 	void draw_text(bitmap_ind16 &bitmap, const rectangle &cliprect);
39 	void draw_terrain(bitmap_ind16 &bitmap, const rectangle &cliprect);
40 	void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect);
41 	void draw_missiles(bitmap_ind16 &bitmap, const rectangle &cliprect);
42 	void draw_trapezoid(bitmap_ind16& dst, bitmap_ind16& src);
43 
44 	void skyraid_map(address_map &map);
45 
46 	int m_analog_range;
47 	int m_analog_offset;
48 
49 	int m_scroll;
50 
51 	required_shared_ptr<uint8_t> m_pos_ram;
52 	required_shared_ptr<uint8_t> m_alpha_num_ram;
53 	required_shared_ptr<uint8_t> m_obj_ram;
54 	required_device<discrete_device> m_discrete;
55 	bitmap_ind16 m_helper;
56 
57 	required_device<cpu_device> m_maincpu;
58 	required_device<gfxdecode_device> m_gfxdecode;
59 	required_device<palette_device> m_palette;
60 
61 	output_finder<> m_led;
62 };
63 
64 /*----------- defined in audio/skyraid.c -----------*/
65 DISCRETE_SOUND_EXTERN( skyraid_discrete );
66 
67 #endif // MAME_INCLUDES_SKYRAID_H
68