1 // license:BSD-3-Clause
2 // copyright-holders:David Haywood, R. Belmont
3 #ifndef MAME_INCLUDES_SILKROAD_H
4 #define MAME_INCLUDES_SILKROAD_H
5 
6 #pragma once
7 
8 #include "sound/okim6295.h"
9 #include "emupal.h"
10 #include "tilemap.h"
11 
12 class silkroad_state : public driver_device
13 {
14 public:
silkroad_state(const machine_config & mconfig,device_type type,const char * tag)15 	silkroad_state(const machine_config &mconfig, device_type type, const char *tag) :
16 		driver_device(mconfig, type, tag),
17 		m_maincpu(*this, "maincpu"),
18 		m_gfxdecode(*this, "gfxdecode"),
19 		m_palette(*this, "palette"),
20 		m_vram(*this, "vram%u", 1U),
21 		m_sprram(*this, "sprram"),
22 		m_regs(*this, "regs"),
23 		m_okibank(*this, "okibank")
24 	{ }
25 
26 	void silkroad(machine_config &config);
27 
28 protected:
29 	virtual void machine_start() override;
30 	virtual void video_start() override;
31 
32 private:
33 	required_device<cpu_device> m_maincpu;
34 	required_device<gfxdecode_device> m_gfxdecode;
35 	required_device<palette_device> m_palette;
36 
37 	required_shared_ptr_array<uint32_t, 3> m_vram;
38 	required_shared_ptr<uint32_t> m_sprram;
39 	required_shared_ptr<uint32_t> m_regs;
40 
41 	required_memory_bank m_okibank;
42 
43 	tilemap_t *m_tilemap[3];
44 
45 	void coin_w(uint8_t data);
46 	template<int Layer> void vram_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
47 	void okibank_w(uint8_t data);
48 
49 	template<int Layer> TILE_GET_INFO_MEMBER(get_tile_info);
50 
51 	uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
52 	void draw_sprites(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
53 	void cpu_map(address_map &map);
54 	void oki_map(address_map &map);
55 };
56 
57 #endif // MAME_INCLUDES_SILKROAD_H
58