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// license:BSD-3-Clause
// copyright-holders:Ernesto Corvi
#ifndef MAME_SOUND_2612INTF_H
#define MAME_SOUND_2612INTF_H
#pragma once
class ym2612_device : public device_t, public device_sound_interface
{
public:
ym2612_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// configuration helpers
auto irq_handler() { return m_irq_handler.bind(); }
u8 read(offs_t offset);
void write(offs_t offset, u8 data);
// update request from fm.cpp
static void update_request(device_t *param) { downcast<ym2612_device *>(param)->update_request(); }
protected:
ym2612_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
virtual void device_start() override;
virtual void device_post_load() override;
virtual void device_stop() override;
virtual void device_reset() override;
virtual void device_clock_changed() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
u8 m_output_bits;
private:
void irq_handler(int irq);
void timer_handler(int c, int count, int clock);
void update_request() { m_stream->update(); }
static void static_irq_handler(device_t *param, int irq) { downcast<ym2612_device *>(param)->irq_handler(irq); }
static void static_timer_handler(device_t *param, int c, int count, int clock) { downcast<ym2612_device *>(param)->timer_handler(c, count, clock); }
void calculate_rates();
sound_stream * m_stream;
emu_timer * m_timer[2];
void * m_chip;
devcb_write_line m_irq_handler;
};
class ym3438_device : public ym2612_device
{
public:
ym3438_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
};
class ymf276_device : public ym2612_device
{
public:
ymf276_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
};
DECLARE_DEVICE_TYPE(YM2612, ym2612_device)
DECLARE_DEVICE_TYPE(YM3438, ym3438_device)
DECLARE_DEVICE_TYPE(YMF276, ymf276_device)
#endif // MAME_SOUND_2612INTF_H
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