// license:BSD-3-Clause // copyright-holders:Olivier Galibert #ifndef MAME_EMU_EMUMEM_HEM_H #define MAME_EMU_EMUMEM_HEM_H #pragma once // handler_entry_read_memory/handler_entry_write_memory // Accesses fixed memory (non-banked rom or ram) template class handler_entry_read_memory : public handler_entry_read_address { public: using uX = emu::detail::handler_entry_size_t; handler_entry_read_memory(address_space *space, u16 flags, void *base) : handler_entry_read_address(space, flags), m_base(reinterpret_cast(base)) {} ~handler_entry_read_memory() = default; uX read(offs_t offset, uX mem_mask) const override; uX read_interruptible(offs_t offset, uX mem_mask) const override; std::pair read_flags(offs_t offset, uX mem_mask) const override; u16 lookup_flags(offs_t offset, uX mem_mask) const override; void *get_ptr(offs_t offset) const override; std::string name() const override; private: uX *m_base; }; template class handler_entry_write_memory : public handler_entry_write_address { public: using uX = emu::detail::handler_entry_size_t; handler_entry_write_memory(address_space *space, u16 flags, void *base) : handler_entry_write_address(space, flags), m_base(reinterpret_cast(base)) {} ~handler_entry_write_memory() = 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; void *get_ptr(offs_t offset) const override; std::string name() const override; private: uX *m_base; }; // handler_entry_read_memory_bank/handler_entry_write_memory_bank // Accesses banked memory, associated to a memory_bank template class handler_entry_read_memory_bank : public handler_entry_read_address { public: using uX = emu::detail::handler_entry_size_t; handler_entry_read_memory_bank(address_space *space, u16 flags, memory_bank &bank) : handler_entry_read_address(space, flags), m_bank(bank) {} ~handler_entry_read_memory_bank() = default; uX read(offs_t offset, uX mem_mask) const override; uX read_interruptible(offs_t offset, uX mem_mask) const override; std::pair read_flags(offs_t offset, uX mem_mask) const override; u16 lookup_flags(offs_t offset, uX mem_mask) const override; void *get_ptr(offs_t offset) const override; std::string name() const override; private: memory_bank &m_bank; }; template class handler_entry_write_memory_bank : public handler_entry_write_address { public: using uX = emu::detail::handler_entry_size_t; handler_entry_write_memory_bank(address_space *space, u16 flags, memory_bank &bank) : handler_entry_write_address(space, flags), m_bank(bank) {} ~handler_entry_write_memory_bank() = 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; void *get_ptr(offs_t offset) const override; std::string name() const override; private: memory_bank &m_bank; }; #endif // MAME_EMU_EMUMEM_HEM_H