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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, uint32_t clock);
void set_end_callback(sample_end_cb_delegate callback) { m_sample_end_cb = callback; }
template <class FunctionClass> void set_end_callback(const char *devname, void (FunctionClass::*callback)(int), const char *name)
{
set_end_callback(sample_end_cb_delegate(callback, name, devname, static_cast<FunctionClass *>(nullptr)));
}
template <class FunctionClass> void set_end_callback(void (FunctionClass::*callback)(int), const char *name)
{
set_end_callback(sample_end_cb_delegate(callback, name, nullptr, static_cast<FunctionClass *>(nullptr)));
}
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);
protected:
rf5c68_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock);
// 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, stream_sample_t **inputs, stream_sample_t **outputs, int samples) 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() { }
uint8_t enable = 0;
uint8_t env = 0;
uint8_t pan = 0;
uint8_t start = 0;
uint32_t addr = 0;
uint16_t step = 0;
uint16_t loopst = 0;
};
address_space *m_data;
memory_access_cache<0, 0, ENDIANNESS_LITTLE> *m_cache;
sound_stream* m_stream;
pcm_channel m_chan[NUM_CHANNELS];
uint8_t m_cbank;
uint16_t m_wbank;
uint8_t m_enable;
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, uint32_t clock);
};
DECLARE_DEVICE_TYPE(RF5C68, rf5c68_device)
DECLARE_DEVICE_TYPE(RF5C164, rf5c164_device)
#endif // MAME_SOUND_RF5C68_H
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