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// license:BSD-3-Clause
// copyright-holders:Sandro Ronco
/**********************************************************************

    Mephisto Modular Display Module (2nd version)

*********************************************************************/

#ifndef MAME_VIDEO_MMDISPLAY2_H
#define MAME_VIDEO_MMDISPLAY2_H

#pragma once

#include "sound/spkrdev.h"
#include "video/hd44780.h"

#include "emupal.h"


class mephisto_display2_device : public device_t
{
public:
	// construction/destruction
	mephisto_display2_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0);

	hd44780_device *get() { return m_lcd; }

	void latch_w(u8 data);
	void io_w(u8 data);
	u8 io_r() { return m_ctrl; }

protected:
	// device-level overrides
	virtual void device_start() override;
	virtual void device_reset() override;
	virtual void device_add_mconfig(machine_config &config) override;

private:
	required_device<hd44780_device> m_lcd;
	required_device<speaker_sound_device> m_dac;

	void lcd_palette(palette_device &palette) const;
	HD44780_PIXEL_UPDATE(lcd_pixel_update);

	u8 m_latch = 0;
	u8 m_ctrl = 0;
};


DECLARE_DEVICE_TYPE(MEPHISTO_DISPLAY_MODULE2, mephisto_display2_device)

#endif // MAME_VIDEO_MMDISPLAY2_H