// license:BSD-3-Clause // copyright-holders:Nigel Barnes /********************************************************************** Acorn 32K Dynamic RAM Board http://chrisacorns.computinghistory.org.uk/8bit_Upgrades/Acorn_32KDRAM.html **********************************************************************/ #ifndef MAME_BUS_ACORN_SYSTEM_32K_H #define MAME_BUS_ACORN_SYSTEM_32K_H #pragma once #include "bus/acorn/bus.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class acorn_32k_device : public device_t, public device_acorn_bus_interface { public: // construction/destruction acorn_32k_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock); protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; // optional information overrides virtual ioport_constructor device_input_ports() const override; private: required_ioport m_links; u8 m_ram[32768]; }; // device type definition DECLARE_DEVICE_TYPE(ACORN_32K, acorn_32k_device) #endif // MAME_BUS_ACORN_SYSTEM_32K_H