summaryrefslogblamecommitdiffstatshomepage
path: root/src/devices/sound/n63701x.h
blob: 062a5047d4fdd7d5d72603bc26a9a030533c100f (plain) (tree)
1
2
3
4
5
6
7
8

                                    

                            
 
            
 
                                                                            


                                                                            

                                              
 
                                            
                                                                                     

       
                                                                                                             

                                              
 

                                 
                                             

                                        
                                                                                                                                          
 
        











                                        
                                           

                                                                   

  
                                                      
 
                              
// license:BSD-3-Clause
// copyright-holders:Nicola Salmoria
#ifndef MAME_SOUND_N63701X_H
#define MAME_SOUND_N63701X_H

#pragma once

//**************************************************************************
//  TYPE DEFINITIONS
//**************************************************************************


// ======================> namco_63701x_device

class namco_63701x_device : public device_t,
							public device_sound_interface
{
public:
	namco_63701x_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

	DECLARE_WRITE8_MEMBER(namco_63701x_w);

protected:
	// device-level overrides
	virtual void device_start() override;

	// sound stream update overrides
	virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override;

private:
	struct voice_63701x
	{
		voice_63701x() { }

		int select          = 0;
		int playing         = 0;
		int base_addr       = 0;
		int position        = 0;
		int volume          = 0;
		int silence_counter = 0;
	};

	required_region_ptr<uint8_t> m_rom;
	voice_63701x m_voices[2];
	sound_stream *m_stream; /* channel assigned by the mixer */
};

DECLARE_DEVICE_TYPE(NAMCO_63701X, namco_63701x_device)

#endif // MAME_SOUND_N63701X_H