1 // license:BSD-3-Clause
2 // copyright-holders:Uki
3 
4 #include "emupal.h"
5 #include "tilemap.h"
6 
7 class quizdna_state : public driver_device
8 {
9 public:
quizdna_state(const machine_config & mconfig,device_type type,const char * tag)10 	quizdna_state(const machine_config &mconfig, device_type type, const char *tag)
11 		: driver_device(mconfig, type, tag),
12 		m_maincpu(*this, "maincpu"),
13 		m_gfxdecode(*this, "gfxdecode"),
14 		m_palette(*this, "palette"),
15 		m_spriteram(*this, "spriteram"),
16 		m_generic_paletteram_8(*this, "paletteram") { }
17 
18 	void gakupara(machine_config &config);
19 	void quizdna(machine_config &config);
20 	void gekiretu(machine_config &config);
21 
22 private:
23 	required_device<cpu_device> m_maincpu;
24 	required_device<gfxdecode_device> m_gfxdecode;
25 	required_device<palette_device> m_palette;
26 
27 	required_shared_ptr<uint8_t> m_spriteram;
28 	required_shared_ptr<uint8_t> m_generic_paletteram_8;
29 
30 	std::unique_ptr<uint8_t[]> m_bg_ram;
31 	std::unique_ptr<uint8_t[]> m_fg_ram;
32 	tilemap_t *m_bg_tilemap;
33 	tilemap_t *m_fg_tilemap;
34 	uint8_t m_bg_xscroll[2];
35 	int m_flipscreen;
36 	int m_video_enable;
37 
38 	// common
39 	void bg_ram_w(offs_t offset, uint8_t data);
40 	void fg_ram_w(offs_t offset, uint8_t data);
41 	void bg_yscroll_w(uint8_t data);
42 	void bg_xscroll_w(offs_t offset, uint8_t data);
43 	void screen_ctrl_w(uint8_t data);
44 	void paletteram_xBGR_RRRR_GGGG_BBBB_w(offs_t offset, uint8_t data);
45 	void rombank_w(uint8_t data);
46 
47 	// game specific
48 	void gekiretu_rombank_w(uint8_t data);
49 
50 	TILE_GET_INFO_MEMBER(get_bg_tile_info);
51 	TILE_GET_INFO_MEMBER(get_fg_tile_info);
52 
53 	virtual void machine_start() override;
54 	virtual void video_start() override;
55 
56 	uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
57 	void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect);
58 	void gakupara_io_map(address_map &map);
59 	void gekiretu_io_map(address_map &map);
60 	void gekiretu_map(address_map &map);
61 	void quizdna_io_map(address_map &map);
62 	void quizdna_map(address_map &map);
63 };
64