// license:BSD-3-Clause // copyright-holders:Nathan Woods, R. Belmont, Miodrag Milanovic /********************************************************************* chd_cd.h Interface to the CHD CDROM code *********************************************************************/ #ifndef CHD_CD_H #define CHD_CD_H #include "cdrom.h" /*************************************************************************** TYPE DEFINITIONS ***************************************************************************/ // ======================> cdrom_image_device class cdrom_image_device : public device_t, public device_image_interface { public: // construction/destruction cdrom_image_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); cdrom_image_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); virtual ~cdrom_image_device(); static void static_set_interface(device_t &device, const char *_interface) { downcast(device).m_interface = _interface; } // image-level overrides virtual bool call_load() override; virtual void call_unload() override; virtual bool call_softlist_load(software_list_device &swlist, const char *swname, const rom_entry *start_entry) override { machine().rom_load().load_software_part_region(*this, swlist, swname, start_entry ); return TRUE; } virtual iodevice_t image_type() const override { return IO_CDROM; } 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 0; } virtual const char *image_interface() const override { return m_interface; } virtual const char *file_extensions() const override { return m_extension_list; } virtual const option_guide *create_option_guide() const override; // specific implementation cdrom_file *get_cdrom_file() { return m_cdrom_handle; } protected: // device-level overrides virtual void device_config_complete() override; virtual void device_start() override; virtual void device_stop() override; chd_file m_self_chd; cdrom_file *m_cdrom_handle; const char *m_extension_list; const char *m_interface; }; // device type definition extern const device_type CDROM; /*************************************************************************** DEVICE CONFIGURATION MACROS ***************************************************************************/ #define MCFG_CDROM_ADD(_tag) \ MCFG_DEVICE_ADD(_tag, CDROM, 0) #define MCFG_CDROM_INTERFACE(_interface) \ cdrom_image_device::static_set_interface(*device, _interface); #endif /* CHD_CD_H */