// license:BSD-3-Clause // copyright-holders:Barry Rodewald /* * cpc_rom.h * Amstrad CPC mountable ROM image device * */ #ifndef MAME_BUS_CPC_CPC_ROM_H #define MAME_BUS_CPC_CPC_ROM_H #pragma once #include "cpcexp.h" /*** ROM image device ***/ // ======================> cpc_rom_image_device class cpc_rom_image_device : public device_t, public device_image_interface { public: // construction/destruction cpc_rom_image_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); virtual ~cpc_rom_image_device(); // image-level overrides virtual image_init_result call_load() override; virtual void call_unload() override; virtual iodevice_t image_type() const override { return IO_ROM; } virtual bool is_readable() const override { return 1; } virtual bool is_writeable() const override { return 0; } virtual bool is_creatable() const override { return 0; } virtual bool must_be_loaded() const override { return 0; } virtual bool is_reset_on_load() const override { return 1; } virtual const char *image_interface() const override { return "cpc_rom"; } virtual const char *file_extensions() const override { return "rom,bin"; } uint8_t* base() { return m_base.get(); } protected: // device-level overrides virtual void device_start() override; private: std::unique_ptr m_base; }; // device type definition DECLARE_DEVICE_TYPE(CPC_ROMSLOT, cpc_rom_image_device) #define MCFG_CPC_ROMSLOT_ADD(_tag) \ MCFG_DEVICE_ADD(_tag, CPC_ROMSLOT, 0) /*** ROM box device ***/ class cpc_rom_device : public device_t, public device_cpc_expansion_card_interface { public: // construction/destruction cpc_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // optional information overrides virtual machine_config_constructor device_mconfig_additions() const override; uint8_t* base(uint8_t slot) { if(slot >=1 && slot <= 8) return m_rom[slot]->base(); else return nullptr; } protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; private: required_device_array m_rom; }; // device type definition DECLARE_DEVICE_TYPE(CPC_ROM, cpc_rom_device) #endif // MAME_BUS_CPC_CPC_ROM_H