// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Brown Boxes Double Quick Brown Box emulation **********************************************************************/ #ifndef MAME_BUS_C64_DQBB_H #define MAME_BUS_C64_DQBB_H #pragma once #include "exp.h" #include "machine/nvram.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> c64_dqbb_cartridge_device class c64_dqbb_cartridge_device : public device_t, public device_c64_expansion_card_interface, public device_nvram_interface { public: // construction/destruction c64_dqbb_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; // device_nvram_interface overrides virtual void nvram_default() override { } virtual void nvram_read(emu_file &file) override { if (m_nvram != nullptr) { file.read(m_nvram.get(), 0x4000); } } virtual void nvram_write(emu_file &file) override { if (m_nvram != nullptr) { file.write(m_nvram.get(), 0x4000); } } // device_c64_expansion_card_interface overrides virtual uint8_t c64_cd_r(offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2) override; virtual void c64_cd_w(offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2) override; private: int m_cs; int m_we; }; // device type definition DECLARE_DEVICE_TYPE(C64_DQBB, c64_dqbb_cartridge_device) #endif // MAME_BUS_C64_DQBB_H