1 // license:BSD-3-Clause
2 // copyright-holders:Olivier Galibert, hap, superctr, cam900
3 /***************************************************************************
4 
5     Taito Zoom ZSG-2 sound board
6 
7 ***************************************************************************/
8 #ifndef MAME_AUDIO_TAITO_ZM_H
9 #define MAME_AUDIO_TAITO_ZM_H
10 
11 #pragma once
12 
13 #include "cpu/mn10200/mn10200.h"
14 #include "cpu/tms57002/tms57002.h"
15 #include "sound/zsg2.h"
16 
17 class taito_zoom_device : public device_t, public device_mixer_interface
18 {
19 public:
imperfect_features()20 	static constexpr feature_type imperfect_features() { return feature::SOUND; }
21 
22 	taito_zoom_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
23 
24 	void sound_irq_w(uint16_t data);
25 	uint16_t sound_irq_r();
26 	void reg_data_w(uint16_t data);
27 	void reg_address_w(uint16_t data);
28 
29 	uint8_t shared_ram_r(offs_t offset);
30 	void shared_ram_w(offs_t offset, uint8_t data);
31 
set_use_flash()32 	void set_use_flash() { m_use_flash = true; }
33 
34 	void taitozoom_mn_map(address_map &map);
35 	void tms57002_map(address_map &map);
36 
37 protected:
38 	// device-level overrides
39 	virtual void device_start() override;
40 	virtual void device_reset() override;
41 	virtual void device_add_mconfig(machine_config &config) override;
42 
43 private:
44 	// inherited devices/pointers
45 	required_device<mn10200_device> m_soundcpu;
46 	required_device<tms57002_device> m_tms57002;
47 	required_device<zsg2_device> m_zsg2;
48 
49 	// internal state
50 	uint16_t m_reg_address;
51 	uint8_t m_tms_ctrl;
52 	bool m_use_flash;
53 	std::unique_ptr<uint8_t[]> m_snd_shared_ram;
54 
55 	uint8_t tms_ctrl_r();
56 	void tms_ctrl_w(uint8_t data);
57 };
58 
59 DECLARE_DEVICE_TYPE(TAITO_ZOOM, taito_zoom_device)
60 
61 
62 #endif // MAME_AUDIO_TAITO_ZM_H
63