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/***************************************************************************
National Semiconductor ADC1038
10-Bit Serial I/O A/D Converters with Analog Multiplexer and
Track/hold Function
***************************************************************************/
#ifndef __ADC1038_H__
#define __ADC1038_H__
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
typedef int (*adc1038_input_read_func)(device_t *device, int input);
struct adc1038_interface
{
int m_gticlub_hack;
adc1038_input_read_func input_callback_r;
};
/***************************************************************************
MACROS / CONSTANTS
***************************************************************************/
class adc1038_device : public device_t,
public adc1038_interface
{
public:
adc1038_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
~adc1038_device() {}
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_config_complete();
virtual void device_start();
virtual void device_reset();
adc1038_input_read_func m_input_callback_r_func;
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;
};
extern const device_type ADC1038;
#define MCFG_ADC1038_ADD(_tag, _config) \
MCFG_DEVICE_ADD(_tag, ADC1038, 0) \
MCFG_DEVICE_CONFIG(_config)
#endif /* __ADC1038_H__ */
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