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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
// ======================> 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);
// device_image_interface implementation
virtual iodevice_t image_type() const noexcept override { return IO_MEMCARD; }
virtual bool is_readable() const noexcept override { return true; }
virtual bool is_writeable() const noexcept override { return true; }
virtual bool is_creatable() const noexcept override { return true; }
virtual bool must_be_loaded() const noexcept override { return false; }
virtual bool is_reset_on_load() const noexcept override { return false; }
virtual const char *file_extensions() const noexcept 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;
// bus interface
uint8_t read(offs_t offset);
void write(offs_t offset, uint8_t data);
bool present() { return is_loaded(); }
protected:
// device-level overrides
virtual void device_start() override;
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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