// license:GPL-2.0+ // copyright-holders:Juergen Buchmueller, Frank Palazzolo, Sean Riddle /***************************************************************************** * * audio/channelf.h * ****************************************************************************/ #ifndef CHANNELF_SOUND_H_ #define CHANNELF_SOUND_H_ class channelf_sound_device : public device_t, public device_sound_interface { public: channelf_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); void sound_w(int mode); protected: // device-level overrides virtual void device_config_complete(); virtual void device_start(); // sound stream update overrides virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples); private: // internal state sound_stream *m_channel; int m_sound_mode; int m_incr; float m_decay_mult; int m_envelope; UINT32 m_sample_counter; int m_forced_ontime; // added for improved sound int m_min_ontime; // added for improved sound }; extern const device_type CHANNELF_SOUND; #endif /* CHANNELF_SOUND_H_ */