// 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 m_vco_timer; required_device m_sn; required_device m_discrete; attotime m_vco_rc_chargetime; }; DECLARE_DEVICE_TYPE(CANE_AUDIO, cane_audio_device) #endif // MAME_AUDIO_8080BW_H