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// license:BSD-3-Clause
// copyright-holders:Brian Johnson
/*******************************************************************
*
* YM2149 based sound card with header for an external MPU401
*
*******************************************************************/
#ifndef MAME_BUS_EPSON_QX_SOUND_CARD_H
#define MAME_BUS_EPSON_QX_SOUND_CARD_H
#pragma once
#include "option.h"
#include "machine/mpu401.h"
#include "sound/ay8910.h"
namespace bus::epson_qx {
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
/* YM2149 Sound Card Device */
class ym2149_sound_card_device : public device_t, public device_option_expansion_interface
{
public:
// construction/destruction
ym2149_sound_card_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// device-level overrides
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
virtual ioport_constructor device_input_ports() const override ATTR_COLD;
void map(address_map &map) ATTR_COLD;
private:
uint8_t m_irqline;
void mpu_irq_out(int state);
required_device<mpu401_device> m_mpu401;
required_device<ym2149_device> m_ssg;
required_ioport m_iobase;
required_ioport m_irq;
bool m_installed;
};
} // namespace bus::epson_qx
// device type definition
DECLARE_DEVICE_TYPE_NS(EPSON_QX_OPTION_YM2149, bus::epson_qx, ym2149_sound_card_device)
#endif // MAME_BUS_EPSON_QX_SOUND_CARD_H
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