1 // license:BSD-3-Clause
2 // copyright-holders:Phil Stroffolino
3 #ifndef MAME_INCLUDES_LKAGE_H
4 #define MAME_INCLUDES_LKAGE_H
5 
6 #pragma once
7 
8 #include "machine/gen_latch.h"
9 #include "machine/input_merger.h"
10 #include "machine/taito68705interface.h"
11 #include "emupal.h"
12 #include "tilemap.h"
13 
14 class lkage_state : public driver_device
15 {
16 public:
lkage_state(const machine_config & mconfig,device_type type,const char * tag)17 	lkage_state(const machine_config &mconfig, device_type type, const char *tag) :
18 		driver_device(mconfig, type, tag),
19 		m_vreg(*this, "vreg"),
20 		m_scroll(*this, "scroll"),
21 		m_spriteram(*this, "spriteram"),
22 		m_videoram(*this, "videoram"),
23 		m_maincpu(*this, "maincpu"),
24 		m_audiocpu(*this, "audiocpu"),
25 		m_bmcu(*this, "bmcu"),
26 		m_gfxdecode(*this, "gfxdecode"),
27 		m_palette(*this, "palette"),
28 		m_soundlatch(*this, "soundlatch"),
29 		m_soundnmi(*this, "soundnmi")
30 	{ }
31 
32 	void lkageb(machine_config &config);
33 	void lkage(machine_config &config);
34 
35 	void init_bygone();
36 	void init_lkage();
37 
38 protected:
39 	virtual void machine_start() override;
40 	virtual void machine_reset() override;
41 	virtual void video_start() override;
42 
43 private:
44 	required_shared_ptr<uint8_t> m_vreg;
45 	required_shared_ptr<uint8_t> m_scroll;
46 	required_shared_ptr<uint8_t> m_spriteram;
47 	required_shared_ptr<uint8_t> m_videoram;
48 
49 	/* video-related */
50 	tilemap_t *m_bg_tilemap;
51 	tilemap_t *m_fg_tilemap;
52 	tilemap_t *m_tx_tilemap;
53 	uint8_t m_bg_tile_bank;
54 	uint8_t m_fg_tile_bank;
55 	uint8_t m_tx_tile_bank;
56 
57 	int m_sprite_dx;
58 
59 	/* lkageb fake mcu */
60 	uint8_t m_mcu_val;
61 	int m_mcu_ready;    /* cpu data/mcu ready status */
62 
63 	/* devices */
64 	required_device<cpu_device> m_maincpu;
65 	required_device<cpu_device> m_audiocpu;
66 	optional_device<taito68705_mcu_device> m_bmcu;
67 	required_device<gfxdecode_device> m_gfxdecode;
68 	required_device<palette_device> m_palette;
69 	required_device<generic_latch_8_device> m_soundlatch;
70 	required_device<input_merger_device> m_soundnmi;
71 
72 	void lkage_sh_nmi_disable_w(uint8_t data);
73 	void lkage_sh_nmi_enable_w(uint8_t data);
74 	uint8_t sound_status_r();
75 	uint8_t port_fetch_r(offs_t offset);
76 	uint8_t mcu_status_r();
77 	uint8_t fake_mcu_r();
78 	void fake_mcu_w(uint8_t data);
79 	uint8_t fake_status_r();
80 
81 	void lkage_videoram_w(offs_t offset, uint8_t data);
82 	TILE_GET_INFO_MEMBER(get_bg_tile_info);
83 	TILE_GET_INFO_MEMBER(get_fg_tile_info);
84 	TILE_GET_INFO_MEMBER(get_tx_tile_info);
85 	uint32_t screen_update_lkage(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
86 	void draw_sprites( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect );
87 	void lkage_io_map(address_map &map);
88 	void lkage_map(address_map &map);
89 	void lkage_map_boot(address_map &map);
90 	void lkage_map_mcu(address_map &map);
91 	void lkage_sound_map(address_map &map);
92 };
93 
94 #endif // MAME_INCLUDES_LKAGE_H
95