// license:BSD-3-Clause // copyright-holders:Nigel Barnes /********************************************************************** Computech Integra-B expansion board **********************************************************************/ #ifndef MAME_BUS_BBC_INTERNAL_INTEGRAB_H #define MAME_BUS_BBC_INTERNAL_INTEGRAB_H #include "internal.h" #include "machine/mc146818.h" #include "machine/nvram.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class bbc_integrab_device : public device_t, public device_bbc_internal_interface { public: // construction/destruction bbc_integrab_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; virtual void device_reset() 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 ioport_constructor device_input_ports() const override ATTR_COLD; virtual bool overrides_rom() override { return true; } virtual bool overrides_ram() override { return true; } virtual uint8_t ram_r(offs_t offset) override; virtual void ram_w(offs_t offset, uint8_t data) override; virtual uint8_t romsel_r(offs_t offset) override; virtual void romsel_w(offs_t offset, uint8_t data) override; virtual uint8_t paged_r(offs_t offset) override; virtual void paged_w(offs_t offset, uint8_t data) override; private: required_memory_region m_ibos; optional_device_array m_rom; required_device m_nvram; required_device m_rtc; required_ioport m_wp; std::unique_ptr m_ram; bool m_shadow; uint8_t m_romsel; uint8_t m_ramsel; }; // device type definition DECLARE_DEVICE_TYPE(BBC_INTEGRAB, bbc_integrab_device) #endif // MAME_BUS_BBC_INTERNAL_INTEGRAB_H