// license:BSD-3-Clause // copyright-holders:Sandro Ronco /***************************************************************************** * * includes/tvc.h * ****************************************************************************/ #pragma once #ifndef _TVC_SND_H_ #define _TVC_SND_H_ #define MCFG_TVC_SOUND_SNDINT_CALLBACK(_write) \ devcb = &tvc_sound_device::set_sndint_wr_callback(*device, DEVCB_##_write); //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> tvc_sound_device class tvc_sound_device : public device_t, public device_sound_interface { public: // construction/destruction tvc_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); template static devcb_base &set_sndint_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_sndint.set_callback(object); } DECLARE_WRITE8_MEMBER(write); void reset_divider(); protected: // device-level overrides virtual void device_start(); virtual void device_reset(); virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples); private: static const device_timer_id TIMER_SNDINT = 0; sound_stream * m_stream; int m_freq; int m_enabled; int m_volume; int m_incr; int m_signal; UINT8 m_ports[3]; emu_timer * m_sndint_timer; devcb_write_line m_write_sndint; }; // device type definition extern const device_type TVC_SOUND; #endif