1 // license:BSD-3-Clause
2 // copyright-holders:Paul Leaman
3 /*************************************************************************
4 
5     Gun.Smoke
6 
7 *************************************************************************/
8 #ifndef MAME_INCLUDES_GUNSMOKE_H
9 #define MAME_INCLUDES_GUNSMOKE_H
10 
11 #pragma once
12 
13 #include "emupal.h"
14 #include "tilemap.h"
15 
16 class gunsmoke_state : public driver_device
17 {
18 public:
gunsmoke_state(const machine_config & mconfig,device_type type,const char * tag)19 	gunsmoke_state(const machine_config &mconfig, device_type type, const char *tag) :
20 		driver_device(mconfig, type, tag),
21 		m_videoram(*this, "videoram"),
22 		m_colorram(*this, "colorram"),
23 		m_scrollx(*this, "scrollx"),
24 		m_scrolly(*this, "scrolly"),
25 		m_spriteram(*this, "spriteram"),
26 		m_maincpu(*this, "maincpu"),
27 		m_gfxdecode(*this, "gfxdecode"),
28 		m_palette(*this, "palette")
29 	{ }
30 
31 	void gunsmoke(machine_config &config);
32 
33 private:
34 	/* memory pointers */
35 	required_shared_ptr<uint8_t> m_videoram;
36 	required_shared_ptr<uint8_t> m_colorram;
37 	required_shared_ptr<uint8_t> m_scrollx;
38 	required_shared_ptr<uint8_t> m_scrolly;
39 	required_shared_ptr<uint8_t> m_spriteram;
40 
41 	/* video-related */
42 	tilemap_t    *m_bg_tilemap;
43 	tilemap_t    *m_fg_tilemap;
44 	uint8_t      m_chon;
45 	uint8_t      m_objon;
46 	uint8_t      m_bgon;
47 	uint8_t      m_sprite3bank;
48 	uint8_t gunsmoke_protection_r(offs_t offset);
49 	void gunsmoke_videoram_w(offs_t offset, uint8_t data);
50 	void gunsmoke_colorram_w(offs_t offset, uint8_t data);
51 	void gunsmoke_c804_w(uint8_t data);
52 	void gunsmoke_d806_w(uint8_t data);
53 	TILE_GET_INFO_MEMBER(get_bg_tile_info);
54 	TILE_GET_INFO_MEMBER(get_fg_tile_info);
55 	virtual void machine_start() override;
56 	virtual void machine_reset() override;
57 	virtual void video_start() override;
58 	void gunsmoke_palette(palette_device &palette) const;
59 	uint32_t screen_update_gunsmoke(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
60 	void draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect );
61 	required_device<cpu_device> m_maincpu;
62 	required_device<gfxdecode_device> m_gfxdecode;
63 	required_device<palette_device> m_palette;
64 	void gunsmoke_map(address_map &map);
65 	void sound_map(address_map &map);
66 };
67 
68 #endif // MAME_INCLUDES_GUNSMOKE_H
69