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// license:BSD-3-Clause
// copyright-holders:Barry Rodewald
/*
 * wpcsnd.h - Williams WPC pinball sound
 *
 *  Created on: 4/10/2013
 */

#ifndef MAME_AUDIO_WPCSND_H
#define MAME_AUDIO_WPCSND_H

#pragma once

#include "cpu/m6809/m6809.h"
#include "sound/ym2151.h"
#include "sound/hc55516.h"


class wpcsnd_device : public device_t, public device_mixer_interface
{
public:
	// construction/destruction
	wpcsnd_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);

	required_device<cpu_device> m_cpu;
	required_device<ym2151_device> m_ym2151;
	required_device<hc55516_device> m_hc55516;
	required_memory_bank m_cpubank;
	required_memory_bank m_fixedbank;
	required_memory_region m_rom;

	DECLARE_WRITE8_MEMBER(bg_speech_clock_w);
	DECLARE_WRITE8_MEMBER(bg_speech_digit_w);
	DECLARE_WRITE8_MEMBER(rombank_w);
	DECLARE_READ8_MEMBER(latch_r);
	DECLARE_WRITE8_MEMBER(latch_w);
	DECLARE_WRITE8_MEMBER(volume_w);

	void ctrl_w(uint8_t data);
	void data_w(uint8_t data);
	uint8_t ctrl_r();
	uint8_t data_r();

	template <typename T> void set_romregion(T &&tag) { m_rom.set_tag(std::forward<T>(tag)); }

	// callbacks
	auto reply_callback() { return m_reply_cb.bind(); }

	void wpcsnd_map(address_map &map);
protected:
	// overrides
	virtual void device_start() override;
	virtual void device_reset() override;
	virtual void device_add_mconfig(machine_config &config) override;

private:
	uint8_t m_latch;
	uint8_t m_reply;
	bool m_reply_available;

	// callback
	devcb_write_line m_reply_cb;

	DECLARE_WRITE_LINE_MEMBER(ym2151_irq_w);
};

DECLARE_DEVICE_TYPE(WPCSND, wpcsnd_device)

#endif // MAME_AUDIO_WPCSND_H