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/***************************************************************************
NEC uPD4701
Incremental Encoder Control
***************************************************************************/
#ifndef __UPD4701_H__
#define __UPD4701_H__
#include "devlegcy.h"
/***************************************************************************
MACROS / CONSTANTS
***************************************************************************/
class upd4701_device : public device_t
{
public:
upd4701_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
~upd4701_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 UPD4701;
#define MCFG_UPD4701_ADD(_tag) \
MCFG_DEVICE_ADD(_tag, UPD4701, 0)
/***************************************************************************
PROTOTYPES
***************************************************************************/
extern WRITE8_DEVICE_HANDLER( upd4701_cs_w );
extern WRITE8_DEVICE_HANDLER( upd4701_xy_w );
extern WRITE8_DEVICE_HANDLER( upd4701_ul_w );
extern WRITE8_DEVICE_HANDLER( upd4701_resetx_w );
extern WRITE8_DEVICE_HANDLER( upd4701_resety_w );
extern WRITE16_DEVICE_HANDLER( upd4701_x_add );
extern WRITE16_DEVICE_HANDLER( upd4701_y_add );
extern WRITE8_DEVICE_HANDLER( upd4701_switches_set );
extern READ16_DEVICE_HANDLER( upd4701_d_r );
extern READ8_DEVICE_HANDLER( upd4701_cf_r );
extern READ8_DEVICE_HANDLER( upd4701_sf_r );
#endif /* __UPD4701_H__ */
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