// license:BSD-3-Clause // copyright-holders:Nigel Barnes /********************************************************************** Electron 68000 Expansion **********************************************************************/ #ifndef MAME_BUS_ELECTRON_MC68K_M #define MAME_BUS_ELECTRON_MC68K_M #pragma once #include "exp.h" #include "cpu/m68000/m68000.h" #include "machine/6821pia.h" #include "machine/ram.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class electron_mc68k_device: public device_t, public device_electron_expansion_interface { public: // construction/destruction electron_mc68k_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; // optional information overrides virtual void device_add_mconfig(machine_config &config) override; virtual const tiny_rom_entry *device_rom_region() const override; virtual u8 expbus_r(offs_t offset) override; virtual void expbus_w(offs_t offset, u8 data) override; private: required_device m_maincpu; required_device m_ram; required_device_array m_pia; required_memory_region m_boot_rom; required_memory_region m_exp_rom; memory_passthrough_handler *m_rom_shadow_tap; void mem_map(address_map &map); u8 m_romsel; }; // device type definition DECLARE_DEVICE_TYPE(ELECTRON_MC68K, electron_mc68k_device) #endif // MAME_BUS_ELECTRON_MC68K_M