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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert,Aaron Giles
/*********************************************************/
/* ricoh RF5C68(or clone) PCM controller */
/*********************************************************/
#ifndef MAME_SOUND_RF5C68_H
#define MAME_SOUND_RF5C68_H
#pragma once
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
#define RF5C68_SAMPLE_END_CB_MEMBER(_name) void _name(int channel)
// ======================> rf5c68_device
class rf5c68_device : public device_t,
public device_sound_interface,
public device_memory_interface
{
public:
typedef device_delegate<void (int channel)> sample_end_cb_delegate;
rf5c68_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
template <typename... T> void set_end_callback(T &&... args) { m_sample_end_cb.set(std::forward<T>(args)...); }
u8 rf5c68_r(offs_t offset);
void rf5c68_w(offs_t offset, u8 data);
u8 rf5c68_mem_r(offs_t offset);
void rf5c68_mem_w(offs_t offset, u8 data);
void map(address_map &map);
protected:
rf5c68_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock, int output_bits);
// device-level overrides
virtual void device_start() override;
virtual void device_clock_changed() 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;
// device_memory_interface configuration
virtual space_config_vector memory_space_config() const override;
address_space_config m_data_config;
private:
static constexpr unsigned NUM_CHANNELS = 8;
struct pcm_channel
{
pcm_channel() { }
u8 enable = 0;
u8 env = 0;
u8 pan = 0;
u8 start = 0;
u32 addr = 0;
u16 step = 0;
u16 loopst = 0;
};
memory_access<16, 0, 0, ENDIANNESS_LITTLE>::cache m_cache;
sound_stream* m_stream;
pcm_channel m_chan[NUM_CHANNELS];
u8 m_cbank;
u16 m_wbank;
u8 m_enable;
int m_output_bits;
std::vector<s32> m_mixleft;
std::vector<s32> m_mixright;
sample_end_cb_delegate m_sample_end_cb;
};
class rf5c164_device : public rf5c68_device
{
public:
rf5c164_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
void rf5c164_map(address_map &map);
};
DECLARE_DEVICE_TYPE(RF5C68, rf5c68_device)
DECLARE_DEVICE_TYPE(RF5C164, rf5c164_device)
#endif // MAME_SOUND_RF5C68_H
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