// license:BSD-3-Clause // copyright-holders:Wilbert Pol #ifndef MAME_BUS_MSX_SLOT_FS4600_H #define MAME_BUS_MSX_SLOT_FS4600_H #pragma once #include "slot.h" #include "machine/nvram.h" DECLARE_DEVICE_TYPE(MSX_SLOT_FS4600, msx_slot_fs4600_device) #define MCFG_MSX_SLOT_FS4600_ADD(_tag, _startpage, _numpages, _region, _offset) \ MCFG_MSX_INTERNAL_SLOT_ADD(_tag, MSX_SLOT_FS4600, _startpage, _numpages) \ downcast(*device).set_rom_start(_region, _offset); class msx_slot_fs4600_device : public device_t, public msx_internal_slot_interface { public: msx_slot_fs4600_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // configuration helpers void set_rom_start(const char *region, uint32_t offset) { m_rom_region.set_tag(region); m_region_offset = offset; } virtual DECLARE_READ8_MEMBER(read) override; virtual DECLARE_WRITE8_MEMBER(write) override; protected: virtual void device_start() override; virtual void device_add_mconfig(machine_config &config) override; void restore_banks(); private: required_device m_nvram; required_memory_region m_rom_region; uint32_t m_region_offset; const uint8_t *m_rom; uint8_t m_selected_bank[4]; const uint8_t *m_bank_base[4]; uint32_t m_sram_address; uint8_t m_sram[0x1000]; uint8_t m_control; }; #endif // MAME_BUS_MSX_SLOT_FS4600_H