// license:BSD-3-Clause // copyright-holders:Nigel Barnes /********************************************************************** BT Merlin M2105 **********************************************************************/ #ifndef MAME_BUS_ELECTRON_M2105_M #define MAME_BUS_ELECTRON_M2105_M #pragma once #include "exp.h" #include "machine/ram.h" #include "machine/6522via.h" #include "machine/mc68681.h" #include "machine/input_merger.h" #include "sound/tms5220.h" #include "bus/centronics/ctronics.h" #include "bus/rs232/rs232.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class electron_m2105_device: public device_t, public device_electron_expansion_interface { public: // construction/destruction electron_m2105_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: 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 uint8_t expbus_r(address_space &space, offs_t offset) override; virtual void expbus_w(address_space &space, offs_t offset, uint8_t data) override; private: required_memory_region m_exp_rom; required_device m_ram; required_device m_via6522_0; required_device m_via6522_1; required_device m_duart; required_device m_tms; required_device m_centronics; required_device m_irqs; uint8_t m_ram_page; uint8_t m_romsel; }; // device type definition DECLARE_DEVICE_TYPE(ELECTRON_M2105, electron_m2105_device) #endif // MAME_BUS_ELECTRON_M2105_M