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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
#ifndef MAME_EMU_EMUMEM_HEUN_H
#define MAME_EMU_EMUMEM_HEUN_H

#pragma once

// handler_entry_read_unmapped/handler_entry_write_unmapped

// Logs an unmapped access

template<int Width, int AddrShift> class handler_entry_read_unmapped : public handler_entry_read<Width, AddrShift>
{
public:
	using uX = emu::detail::handler_entry_size_t<Width>;

	handler_entry_read_unmapped(address_space *space, u16 flags) : handler_entry_read<Width, AddrShift>(space, handler_entry::F_UNMAP | flags) {}
	~handler_entry_read_unmapped() = default;

	uX read(offs_t offset, uX mem_mask) const override;
	uX read_interruptible(offs_t offset, uX mem_mask) const override;
	std::pair<uX, u16> read_flags(offs_t offset, uX mem_mask) const override;
	u16 lookup_flags(offs_t offset, uX mem_mask) const override;

	std::string name() const override;
};

template<int Width, int AddrShift> class handler_entry_write_unmapped : public handler_entry_write<Width, AddrShift>
{
public:
	using uX = emu::detail::handler_entry_size_t<Width>;

	handler_entry_write_unmapped(address_space *space, u16 flags) : handler_entry_write<Width, AddrShift>(space, handler_entry::F_UNMAP | flags) {}
	~handler_entry_write_unmapped() = default;

	void write(offs_t offset, uX data, uX mem_mask) const override;
	void write_interruptible(offs_t offset, uX data, uX mem_mask) const override;
	u16 write_flags(offs_t offset, uX data, uX mem_mask) const override;
	u16 lookup_flags(offs_t offset, uX mem_mask) const override;

	std::string name() const override;
};



// handler_entry_read_nop/handler_entry_write_nop

// Drops an unmapped access silently

template<int Width, int AddrShift> class handler_entry_read_nop : public handler_entry_read<Width, AddrShift>
{
public:
	using uX = emu::detail::handler_entry_size_t<Width>;

	handler_entry_read_nop(address_space *space, u16 flags) : handler_entry_read<Width, AddrShift>(space, flags) {}
	~handler_entry_read_nop() = default;

	uX read(offs_t offset, uX mem_mask) const override;
	uX read_interruptible(offs_t offset, uX mem_mask) const override;
	std::pair<uX, u16> read_flags(offs_t offset, uX mem_mask) const override;
	u16 lookup_flags(offs_t offset, uX mem_mask) const override;

	std::string name() const override;
};

template<int Width, int AddrShift> class handler_entry_write_nop : public handler_entry_write<Width, AddrShift>
{
public:
	using uX = emu::detail::handler_entry_size_t<Width>;

	handler_entry_write_nop(address_space *space, u16 flags) : handler_entry_write<Width, AddrShift>(space, flags) {}
	~handler_entry_write_nop() = default;

	void write(offs_t offset, uX data, uX mem_mask) const override;
	void write_interruptible(offs_t offset, uX data, uX mem_mask) const override;
	u16 write_flags(offs_t offset, uX data, uX mem_mask) const override;
	u16 lookup_flags(offs_t offset, uX mem_mask) const override;

	std::string name() const override;
};

#endif // MAME_EMU_EMUMEM_HEUN_H