// license:BSD-3-Clause // copyright-holders:Nigel Barnes /********************************************************************** Ralph Allen 32K Dynamic RAM Board **********************************************************************/ #ifndef MAME_BUS_TANBUS_RA32K_H #define MAME_BUS_TANBUS_RA32K_H #pragma once #include "bus/tanbus/tanbus.h" #include "bus/tanbus/ra32k.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class tanbus_ra32k_device : public device_t, public device_tanbus_interface { protected: tanbus_ra32k_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); // optional information overrides virtual ioport_constructor device_input_ports() const override; required_ioport_array<3> m_dsw; required_ioport m_link; bool block_enabled(offs_t offset, int inhrom, int inhram, int be); }; // ======================> tanbus_ra32kram_device class tanbus_ra32kram_device : public tanbus_ra32k_device { public: // construction/destruction tanbus_ra32kram_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: // device-level overrides virtual void device_start() override; virtual uint8_t read(offs_t offset, int inhrom, int inhram, int be) override; virtual void write(offs_t offset, uint8_t data, int inhrom, int inhram, int be) override; private: std::unique_ptr m_ram; }; // ======================> tanbus_ra32krom_device class tanbus_ra32krom_device : public tanbus_ra32k_device { public: // construction/destruction tanbus_ra32krom_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: // device-level overrides virtual void device_start() override; // optional information overrides virtual const tiny_rom_entry *device_rom_region() const override; virtual uint8_t read(offs_t offset, int inhrom, int inhram, int be) override; private: required_region_ptr m_rom; }; // device type definition DECLARE_DEVICE_TYPE(TANBUS_RA32KRAM, tanbus_ra32kram_device) DECLARE_DEVICE_TYPE(TANBUS_RA32KROM, tanbus_ra32krom_device) #endif // MAME_BUS_TANBUS_RA32K_H