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// license:BSD-3-Clause
// copyright-holders:Miodrag Milanovic
/*********************************************************************
ng_memcard.h
NEOGEO Memory card functions.
*********************************************************************/
#ifndef MAME_MACHINE_NG_MEMCARD_H
#define MAME_MACHINE_NG_MEMCARD_H
#pragma once
//**************************************************************************
// 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_t clock);
virtual iodevice_t image_type() const override { return IO_MEMCARD; }
virtual bool is_readable() const override { return true; }
virtual bool is_writeable() const override { return true; }
virtual bool is_creatable() const override { return true; }
virtual bool must_be_loaded() const override { return false; }
virtual bool is_reset_on_load() const override { return false; }
virtual const char *file_extensions() const override { return "neo"; }
virtual image_init_result call_load() override;
virtual void call_unload() override;
virtual image_init_result call_create(int format_type, util::option_resolution *format_options) override;
// device-level overrides
virtual void device_start() override;
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_t m_memcard_data[0x800];
};
// device type definition
DECLARE_DEVICE_TYPE(NG_MEMCARD, ng_memcard_device)
#endif // MAME_MACHINE_NG_MEMCARD_H
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