1 // license:BSD-3-Clause
2 // copyright-holders:Takahiro Nogi
3 #ifndef MAME_INCLUDES_MAGMAX_H
4 #define MAME_INCLUDES_MAGMAX_H
5 
6 #pragma once
7 
8 #include "screen.h"
9 #include "machine/gen_latch.h"
10 #include "sound/ay8910.h"
11 #include "emupal.h"
12 
13 class magmax_state : public driver_device
14 {
15 public:
magmax_state(const machine_config & mconfig,device_type type,const char * tag)16 	magmax_state(const machine_config &mconfig, device_type type, const char *tag) :
17 		driver_device(mconfig, type, tag),
18 		m_videoram(*this, "videoram"),
19 		m_spriteram(*this, "spriteram"),
20 		m_vreg(*this, "vreg"),
21 		m_scroll_x(*this, "scroll_x"),
22 		m_scroll_y(*this, "scroll_y"),
23 		m_rom18B(*this, "user1"),
24 		m_maincpu(*this, "maincpu"),
25 		m_audiocpu(*this, "audiocpu"),
26 		m_ay(*this, "ay%u", 0U),
27 		m_soundlatch(*this, "soundlatch"),
28 		m_gfxdecode(*this, "gfxdecode"),
29 		m_screen(*this, "screen"),
30 		m_palette(*this, "palette")
31 	{ }
32 
33 	void magmax(machine_config &config);
34 
35 protected:
36 	virtual void machine_start() override;
37 	virtual void machine_reset() override;
38 	virtual void video_start() override;
39 
40 private:
41 	required_shared_ptr<uint16_t> m_videoram;
42 	required_shared_ptr<uint16_t> m_spriteram;
43 	required_shared_ptr<uint16_t> m_vreg;
44 	required_shared_ptr<uint16_t> m_scroll_x;
45 	required_shared_ptr<uint16_t> m_scroll_y;
46 	required_region_ptr<uint8_t> m_rom18B;
47 	required_device<cpu_device> m_maincpu;
48 	required_device<cpu_device> m_audiocpu;
49 	required_device_array<ay8910_device, 3> m_ay;
50 	required_device<generic_latch_8_device> m_soundlatch;
51 	required_device<gfxdecode_device> m_gfxdecode;
52 	required_device<screen_device> m_screen;
53 	required_device<palette_device> m_palette;
54 
55 	uint8_t m_sound_latch;
56 	uint8_t m_LS74_clr;
57 	uint8_t m_LS74_q;
58 	uint8_t m_gain_control;
59 	emu_timer *m_interrupt_timer;
60 	int m_flipscreen;
61 	std::unique_ptr<uint32_t[]> m_prom_tab;
62 	bitmap_ind16 m_bitmap;
63 
64 	void cpu_irq_ack_w(uint16_t data);
65 	uint8_t sound_r();
66 	void vreg_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
67 	void ay8910_portB_0_w(uint8_t data);
68 	void ay8910_portA_0_w(uint8_t data);
69 
70 	void magmax_palette(palette_device &palette) const;
71 	uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
72 	TIMER_CALLBACK_MEMBER(scanline_callback);
73 
74 	void main_map(address_map &map);
75 	void sound_io_map(address_map &map);
76 	void sound_map(address_map &map);
77 };
78 
79 #endif // MAME_INCLUDES_MAGMAX_H
80