// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** RCA VIP Memory Expansion Board VP-570 emulation **********************************************************************/ #pragma once #ifndef __VP570__ #define __VP570__ #include "emu.h" #include "exp.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> vp570_device class vp570_device : public device_t, public device_vip_expansion_card_interface { public: // construction/destruction vp570_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // optional information overrides virtual ioport_constructor device_input_ports() const override; protected: // device-level overrides virtual void device_start() override; // device_vip_expansion_card_interface overrides virtual UINT8 vip_program_r(address_space &space, offs_t offset, int cs, int cdef, int *minh) override; virtual void vip_program_w(address_space &space, offs_t offset, UINT8 data, int cdef, int *minh) override; private: optional_shared_ptr m_ram; required_ioport m_base; required_ioport m_sw1; }; // device type definition extern const device_type VP570; #endif