/********************************************************************* chd_cd.h Interface to the CHD CDROM code *********************************************************************/ #ifndef CHD_CD_H #define CHD_CD_H #include "cdrom.h" /*************************************************************************** TYPE DEFINITIONS ***************************************************************************/ // ======================> cdrom_interface struct cdrom_interface { const char * m_interface; device_image_display_info_func m_device_displayinfo; }; // ======================> cdrom_image_device class cdrom_image_device : public device_t, public cdrom_interface, public device_image_interface { public: // construction/destruction cdrom_image_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); virtual ~cdrom_image_device(); // image-level overrides virtual bool call_load(); virtual void call_unload(); virtual void call_display_info() { if (m_device_displayinfo) m_device_displayinfo(*this); } virtual bool call_softlist_load(char *swlist, char *swname, rom_entry *start_entry) { load_software_part_region(this, swlist, swname, start_entry ); return TRUE; } virtual iodevice_t image_type() const { return IO_CDROM; } virtual bool is_readable() const { return 1; } virtual bool is_writeable() const { return 0; } virtual bool is_creatable() const { return 0; } virtual bool must_be_loaded() const { return 0; } virtual bool is_reset_on_load() const { return 0; } virtual const char *image_interface() const { return m_interface; } virtual const char *file_extensions() const { return "chd"; } virtual const option_guide *create_option_guide() const; // specific implementation cdrom_file *get_cdrom_file() { return m_cdrom_handle; } protected: // device-level overrides virtual void device_config_complete(); virtual void device_start(); cdrom_file *m_cdrom_handle; image_device_format m_format; }; // device type definition extern const device_type CDROM; /*************************************************************************** DEVICE CONFIGURATION MACROS ***************************************************************************/ #define MCFG_CDROM_ADD(_tag, _config) \ MCFG_DEVICE_ADD(_tag, CDROM, 0) \ MCFG_DEVICE_CONFIG(_config) \ #endif /* CHD_CD_H */