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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
/*********************************************************/
/* ricoh RF5C68(or clone) PCM controller */
/*********************************************************/
#pragma once
#ifndef __RF5C68_H__
#define __RF5C68_H__
#define RF5C68_NUM_CHANNELS (8)
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_RF5C68_ADD(_tag, _clock) \
MCFG_DEVICE_ADD(_tag, RF5C68, _clock)
#define MCFG_RF5C68_REPLACE(_tag, _clock) \
MCFG_DEVICE_REPLACE(_tag, RF5C68, _clock)
#define MCFG_RF5C68_SAMPLE_END_CB(_class, _method) \
rf5c68_device::set_end_callback(*device, rf5c68_sample_end_cb_delegate(&_class::_method, #_class "::" #_method, downcast<_class *>(owner)));
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
typedef device_delegate<void (int channel)> rf5c68_sample_end_cb_delegate;
#define RF5C68_SAMPLE_END_CB_MEMBER(_name) void _name(int channel)
struct rf5c68_pcm_channel
{
rf5c68_pcm_channel() :
enable(0),
env(0),
pan(0),
start(0),
addr(0),
step(0),
loopst(0) {}
UINT8 enable;
UINT8 env;
UINT8 pan;
UINT8 start;
UINT32 addr;
UINT16 step;
UINT16 loopst;
};
// ======================> rf5c68_device
class rf5c68_device : public device_t,
public device_sound_interface
{
public:
rf5c68_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
~rf5c68_device() { }
static void set_end_callback(device_t &device, rf5c68_sample_end_cb_delegate callback) { downcast<rf5c68_device &>(device).m_sample_end_cb = callback; }
protected:
// device-level overrides
virtual void device_start();
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples);
public:
DECLARE_READ8_MEMBER( rf5c68_r );
DECLARE_WRITE8_MEMBER( rf5c68_w );
DECLARE_READ8_MEMBER( rf5c68_mem_r );
DECLARE_WRITE8_MEMBER( rf5c68_mem_w );
private:
sound_stream* m_stream;
rf5c68_pcm_channel m_chan[RF5C68_NUM_CHANNELS];
UINT8 m_cbank;
UINT8 m_wbank;
UINT8 m_enable;
UINT8 m_data[0x10000];
rf5c68_sample_end_cb_delegate m_sample_end_cb;
};
extern const device_type RF5C68;
#endif /* __RF5C68_H__ */
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