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/*****************************************************************************
*
* machine/upd7002.h
*
* uPD7002 Analogue to Digital Converter
*
* Driver by Gordon Jefferyes <mess_bbc@gjeffery.dircon.co.uk>
*
****************************************************************************/
#ifndef UPD7002_H_
#define UPD7002_H_
/***************************************************************************
MACROS
***************************************************************************/
class uPD7002_device : public device_t
{
public:
uPD7002_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
~uPD7002_device() { global_free(m_token); }
// access to legacy token
void *token() const { assert(m_token != NULL); return m_token; }
protected:
// device-level overrides
virtual void device_config_complete();
virtual void device_start();
virtual void device_reset();
private:
// internal state
void *m_token;
};
extern const device_type UPD7002;
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
typedef int (*uPD7002_get_analogue_func)(device_t *device, int channel_number);
#define UPD7002_GET_ANALOGUE(name) int name(device_t *device, int channel_number )
typedef void (*uPD7002_eoc_func)(device_t *device, int data);
#define UPD7002_EOC(name) void name(device_t *device, int data )
struct uPD7002_interface
{
uPD7002_get_analogue_func get_analogue_func;
uPD7002_eoc_func EOC_func;
};
/***************************************************************************
FUNCTION PROTOTYPES
***************************************************************************/
/* Standard handlers */
READ8_DEVICE_HANDLER ( uPD7002_EOC_r );
READ8_DEVICE_HANDLER ( uPD7002_r );
WRITE8_DEVICE_HANDLER ( uPD7002_w );
/***************************************************************************
DEVICE CONFIGURATION MACROS
***************************************************************************/
#define MCFG_UPD7002_ADD(_tag, _intrf) \
MCFG_DEVICE_ADD(_tag, UPD7002, 0) \
MCFG_DEVICE_CONFIG(_intrf)
#endif /* UPD7002_H_ */
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