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// license:BSD-3-Clause
// copyright-holders:Nicola Salmoria, Tormod Tjaberg, Mirko Buffoni,Lee Taylor, Valerio Verrando, Zsolt Vasvari,Aaron Giles,Jonathan Gevaryahu,hap,Robbbert
/***************************************************************************
8080-based black and white sound hardware
****************************************************************************/
#ifndef MAME_AUDIO_8080BW_H
#define MAME_AUDIO_8080BW_H
#pragma once
#include "machine/timer.h"
#include "sound/discrete.h"
#include "sound/samples.h"
#include "sound/sn76477.h"
class cane_audio_device : public device_t
{
public:
cane_audio_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock = 0);
void sh_port_1_w(u8 data);
void music_w(u8 data);
void sn76477_en_w(u8 data);
void sn76477_dis_w(u8 data);
protected:
virtual void device_add_mconfig(machine_config &config) override;
virtual ioport_constructor device_input_ports() const override;
virtual void device_start() override;
private:
TIMER_DEVICE_CALLBACK_MEMBER(vco_voltage_timer);
required_device<timer_device> m_vco_timer;
required_device<sn76477_device> m_sn;
required_device<discrete_sound_device> m_discrete;
attotime m_vco_rc_chargetime;
};
DECLARE_DEVICE_TYPE(CANE_AUDIO, cane_audio_device)
#endif // MAME_AUDIO_8080BW_H
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