summaryrefslogblamecommitdiffstatshomepage
path: root/src/devices/machine/adc1038.h
blob: d4ee5362fd08cb61cb92b624646614a9b3df58f5 (plain) (tree)
1
2
3
4
5
6
7
8
9
10

                                 



                                                                            
                                                                


                                                                            




                              
 



                                                                            
                                                   

                                                                            


                                                                            
                                      

       

                                                                
                                                                                                        
 
                                                                                                                    

                                                                    
 



                                               
 

                                 

                                             
 
        
                         






                       
 
                            
                                  

  
                                            
 
                                
// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
/***************************************************************************

    National Semiconductor ADC1038

    10-Bit Serial I/O A/D Converters with Analog Multiplexer and
    Track/hold Function

***************************************************************************/
#ifndef MAME_MACHINE_ADC1038_H
#define MAME_MACHINE_ADC1038_H

#pragma once


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

#define ADC1038_INPUT_CB(name)  int name(int input)

/***************************************************************************
    MACROS / CONSTANTS
***************************************************************************/

class adc1038_device : public device_t
{
public:
	typedef device_delegate<int (int input)> input_delegate;

	adc1038_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

	template <typename... T> void set_input_callback(T &&... args) { m_input_cb.set(std::forward<T>(args)...); }

	void set_gti_club_hack(bool hack) { m_gticlub_hack = hack; }

	DECLARE_READ_LINE_MEMBER( do_read );
	DECLARE_READ_LINE_MEMBER( sars_read );
	DECLARE_WRITE_LINE_MEMBER( di_write );
	DECLARE_WRITE_LINE_MEMBER( clk_write );

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

private:
	// internal state
	int m_cycle;
	int m_clk;
	int m_adr;
	int m_data_in;
	int m_data_out;
	int m_adc_data;
	int m_sars;

	bool m_gticlub_hack;
	input_delegate m_input_cb;
};

DECLARE_DEVICE_TYPE(ADC1038, adc1038_device)

#endif // MAME_MACHINE_ADC1038_H