// license:BSD-3-Clause // copyright-holders:Olivier Galibert #ifndef MAME_SOUND_SP0250_H #define MAME_SOUND_SP0250_H #pragma once class sp0250_device : public device_t, public device_sound_interface { public: sp0250_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); template devcb_base &set_drq_callback(Object &&cb) { return m_drq.set_callback(std::forward(cb)); } DECLARE_WRITE8_MEMBER( write ); uint8_t drq_r(); protected: // device-level overrides virtual void device_start() override; // sound stream update overrides virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override; private: // internal state int16_t m_amp; uint8_t m_pitch; uint8_t m_repeat; int m_pcount, m_rcount; int m_playing; uint32_t m_RNG; sound_stream * m_stream; int m_voiced; uint8_t m_fifo[15]; int m_fifo_pos; devcb_write_line m_drq; struct { int16_t F, B; int16_t z1, z2; } m_filter[6]; void load_values(); TIMER_CALLBACK_MEMBER( timer_tick ); emu_timer * m_tick_timer; }; DECLARE_DEVICE_TYPE(SP0250, sp0250_device) #define MCFG_SP0250_DRQ_CALLBACK(_write) \ devcb = &downcast(*device).set_drq_callback(DEVCB_##_write); #endif // MAME_SOUND_SP0250_H