// license:BSD-3-Clause // copyright-holders:Nigel Barnes /********************************************************************** ALA13 - Acorn Plus 3 **********************************************************************/ #ifndef MAME_BUS_ELECTRON_PLUS3_H #define MAME_BUS_ELECTRON_PLUS3_H #include "exp.h" #include "imagedev/floppy.h" #include "machine/wd_fdc.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class electron_plus3_device: public device_t, public device_electron_expansion_interface { public: // construction/destruction electron_plus3_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: // device-level overrides virtual void device_start() override ATTR_COLD; // optional information overrides virtual void device_add_mconfig(machine_config &config) override ATTR_COLD; virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD; virtual uint8_t expbus_r(offs_t offset) override; virtual void expbus_w(offs_t offset, uint8_t data) override; private: void wd1770_status_w(uint8_t data); static void floppy_formats(format_registration &fr); required_device m_exp; required_memory_region m_exp_rom; required_device m_fdc; required_device m_floppy0; optional_device m_floppy1; uint8_t m_romsel; int m_drive_control; }; // device type definition DECLARE_DEVICE_TYPE(ELECTRON_PLUS3, electron_plus3_device) #endif // MAME_BUS_ELECTRON_PLUS3_H