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// license:BSD-3-Clause
// copyright-holders:Angelo Salese
/**************************************************************************************************

Sharp MZ-1E35 (for MZ-2800) & MZ-2500 Dust Box equivalent

TODO:
- Just enough to make it being recognized by Dust Box;
- How to reproduce sound? Are .opn files requiring a TSR sound driver or it's just for
  specific Dust Box games?

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


#include "emu.h"
#include "mz1e35.h"

#include "sound/ymopl.h"
#include "speaker.h"

namespace {

class mz1e35_device : public mz80_exp_device
{
public:
	mz1e35_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

	static constexpr feature_type unemulated_features() { return feature::SOUND; }

	virtual void io_map(address_map &map) override ATTR_COLD;

private:
	virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;

	required_device<y8950_device> m_opl;
};

mz1e35_device::mz1e35_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
	: mz80_exp_device(mconfig, MZ1E35, tag, owner, clock)
	, m_opl(*this, "opl")
{
}

void mz1e35_device::io_map(address_map &map)
{
	map(0x98, 0x99).mirror(0xff00).rw("opl", FUNC(y8950_device::read), FUNC(y8950_device::write));
}

void mz1e35_device::device_add_mconfig(machine_config &config)
{
	// SP OUT
	SPEAKER(config, "mono").front_center();

	// TODO: check how it draws clock from expansion I/F
	Y8950(config, m_opl, XTAL(4'000'000));
	m_opl->add_route(ALL_OUTPUTS, "mono", 1.0, 0);

	// TODO: LINE IN / LINE OUT / MIC IN
}

} // anonymous namespace

DEFINE_DEVICE_TYPE_PRIVATE(MZ1E35, device_mz80_exp_interface, mz1e35_device, "mz1e35", "Sharp MZ-1E35 ADPCM")