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/*
Atmel Serial DataFlash
(c) 2001-2007 Tim Schuerewegen
AT45DB041 - 528 KByte
AT45DB081 - 1056 KByte
AT45DB161 - 2112 KByte
*/
#ifndef _AT45DBXX_H_
#define _AT45DBXX_H_
#include "emu.h"
/***************************************************************************
MACROS
***************************************************************************/
class at45db041_device : public device_t
{
public:
at45db041_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
at45db041_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock);
~at45db041_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 AT45DB041;
#define MCFG_AT45DB041_ADD(_tag) \
MCFG_DEVICE_ADD(_tag, AT45DB041, 0)
class at45db081_device : public at45db041_device
{
public:
at45db081_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
protected:
// device-level overrides
virtual void device_start();
};
extern const device_type AT45DB081;
#define MCFG_AT45DB081_ADD(_tag) \
MCFG_DEVICE_ADD(_tag, AT45DB081, 0)
class at45db161_device : public at45db041_device
{
public:
at45db161_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
protected:
// device-level overrides
virtual void device_start();
};
extern const device_type AT45DB161;
#define MCFG_AT45DB161_ADD(_tag) \
MCFG_DEVICE_ADD(_tag, AT45DB161, 0)
/***************************************************************************
FUNCTION PROTOTYPES
***************************************************************************/
// pins
void at45dbxx_pin_cs(device_t *device, int data);
void at45dbxx_pin_sck(device_t *device, int data);
void at45dbxx_pin_si(device_t *device, int data);
int at45dbxx_pin_so(device_t *device);
// load/save
void at45dbxx_load(device_t *device, emu_file *file);
void at45dbxx_save(device_t *device, emu_file *file);
// non-volatile ram handler
//NVRAM_HANDLER( at45dbxx );
#endif
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