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// license:BSD-3-Clause
// copyright-holders:Miodrag Milanovic
/*********************************************************************
ng_memcard.h
NEOGEO Memory card functions.
*********************************************************************/
#pragma once
#ifndef __NG_MEMCARD_H__
#define __NG_MEMCARD_H__
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_NEOGEO_MEMCARD_ADD(_tag) \
MCFG_DEVICE_ADD(_tag, NG_MEMCARD, 0)
/***************************************************************************
FUNCTION PROTOTYPES
***************************************************************************/
// ======================> ng_memcard_device
class ng_memcard_device : public device_t,
public device_image_interface
{
public:
// construction/destruction
ng_memcard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
virtual iodevice_t image_type() const { return IO_MEMCARD; }
virtual bool is_readable() const { return true; }
virtual bool is_writeable() const { return true; }
virtual bool is_creatable() const { return true; }
virtual bool must_be_loaded() const { return false; }
virtual bool is_reset_on_load() const { return false; }
virtual const char *file_extensions() const { return "neo"; }
virtual const option_guide *create_option_guide() const { return nullptr; }
virtual bool call_load();
virtual void call_unload();
virtual bool call_create(int format_type, option_resolution *format_options);
// device-level overrides
virtual void device_start();
virtual void device_config_complete();
DECLARE_READ8_MEMBER(read);
DECLARE_WRITE8_MEMBER(write);
/* returns the index of the current memory card, or -1 if none */
int present() { return is_loaded() ? 0 : -1; }
private:
UINT8 m_memcard_data[0x800];
};
// device type definition
extern const device_type NG_MEMCARD;
#endif /* __NG_MEMCARD_H__ */
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