1 // license:BSD-3-Clause
2 // copyright-holders:Phil Stroffolino, Stefan Jokisch
3 /*************************************************************************
4 
5     Atari Ultra Tank hardware
6 
7 *************************************************************************/
8 #ifndef MAME_INCLUDES_ULTRATNK_H
9 #define MAME_INCLUDES_ULTRATNK_H
10 
11 #pragma once
12 
13 #include "machine/watchdog.h"
14 #include "sound/discrete.h"
15 #include "emupal.h"
16 #include "screen.h"
17 #include "tilemap.h"
18 
19 class ultratnk_state : public driver_device
20 {
21 public:
ultratnk_state(const machine_config & mconfig,device_type type,const char * tag)22 	ultratnk_state(const machine_config &mconfig, device_type type, const char *tag) :
23 		driver_device(mconfig, type, tag),
24 		m_maincpu(*this, "maincpu"),
25 		m_watchdog(*this, "watchdog"),
26 		m_discrete(*this, "discrete"),
27 		m_gfxdecode(*this, "gfxdecode"),
28 		m_screen(*this, "screen"),
29 		m_palette(*this, "palette"),
30 		m_videoram(*this, "videoram"),
31 		m_joy(*this, "JOY-%c", 'W')
32 	{ }
33 
34 	template <int N> DECLARE_READ_LINE_MEMBER(collision_flipflop_r);
35 	template <int N> DECLARE_READ_LINE_MEMBER(joystick_r);
36 	void ultratnk(machine_config &config);
37 
38 protected:
39 	enum
40 	{
41 		TIMER_NMI
42 	};
43 
44 	uint8_t wram_r(offs_t offset);
45 	uint8_t analog_r(offs_t offset);
46 	uint8_t coin_r(offs_t offset);
47 	uint8_t collision_r(offs_t offset);
48 	uint8_t options_r(offs_t offset);
49 	void wram_w(offs_t offset, uint8_t data);
50 	void collision_reset_w(offs_t offset, uint8_t data);
51 	void da_latch_w(uint8_t data);
52 	DECLARE_WRITE_LINE_MEMBER(lockout_w);
53 	void video_ram_w(offs_t offset, uint8_t data);
54 	void attract_w(uint8_t data);
55 	void explosion_w(uint8_t data);
56 
57 	virtual void machine_start() override;
58 	virtual void machine_reset() override;
59 	virtual void video_start() override;
60 	void ultratnk_palette(palette_device &palette) const;
61 
62 	TILE_GET_INFO_MEMBER(tile_info);
63 	uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
64 	DECLARE_WRITE_LINE_MEMBER(screen_vblank);
65 	TIMER_CALLBACK_MEMBER(nmi_callback);
66 
67 	virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
68 	void ultratnk_cpu_map(address_map &map);
69 
70 	required_device<cpu_device> m_maincpu;
71 	required_device<watchdog_timer_device> m_watchdog;
72 	required_device<discrete_device> m_discrete;
73 	required_device<gfxdecode_device> m_gfxdecode;
74 	required_device<screen_device> m_screen;
75 	required_device<palette_device> m_palette;
76 
77 	required_shared_ptr<uint8_t> m_videoram;
78 
79 	required_ioport_array<4> m_joy;
80 
81 	int m_da_latch;
82 	int m_collision[4];
83 	tilemap_t* m_playfield;
84 	bitmap_ind16 m_helper;
85 	emu_timer *m_nmi_timer;
86 };
87 
88 #endif // MAME_INCLUDES_ULTRATNK_H
89