// license:BSD-3-Clause
// copyright-holders:Ernesto Corvi
#ifndef MAME_SOUND_2610INTF_H
#define MAME_SOUND_2610INTF_H
#pragma once
#include "ay8910.h"
struct ssg_callbacks;
class ym2610_device : public ay8910_device,
public device_memory_interface
{
public:
ym2610_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// configuration helpers
auto irq_handler() { return m_irq_handler.bind(); }
virtual space_config_vector memory_space_config() const override;
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<ym2610_device *>(param)->update_request(); }
protected:
ym2610_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_clock_changed() override;
virtual void device_post_load() override;
virtual void device_stop() override;
virtual void device_reset() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
virtual void stream_generate(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples);
void * m_chip;
private:
void irq_handler(int irq);
void timer_handler(int c, int count, int clock);
void update_request() { m_stream->update(); }
static uint8_t static_adpcm_a_read_byte(device_t *param, offs_t offset) { return downcast<ym2610_device *>(param)->space(0).read_byte(offset); }
static uint8_t static_adpcm_b_read_byte(device_t *param, offs_t offset) { return downcast<ym2610_device *>(param)->space(1).read_byte(offset); }
static void static_irq_handler(device_t *param, int irq) { downcast<ym2610_device *>(param)->irq_handler(irq); }
static void static_timer_handler(device_t *param, int c, int count, int clock) { downcast<ym2610_device *>(param)->timer_handler(c, count, clock); }
// internal state
const address_space_config m_adpcm_a_config;
const address_space_config m_adpcm_b_config;
sound_stream * m_stream;
emu_timer * m_timer[2];
devcb_write_line m_irq_handler;
const std::string m_adpcm_b_region_name;
optional_memory_region m_adpcm_a_region;
optional_memory_region m_adpcm_b_region;
static const ssg_callbacks psgintf;
};
class ym2610b_device : public ym2610_device
{
public:
ym2610b_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
virtual void stream_generate(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override;
};
DECLARE_DEVICE_TYPE(YM2610, ym2610_device)
DECLARE_DEVICE_TYPE(YM2610B, ym2610b_device)
#endif // MAME_SOUND_2610INTF_H