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// 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<cdrom_image_device &>(device).m_interface = _interface; }
// image-level overrides
virtual bool call_load();
virtual void call_unload();
virtual bool call_softlist_load(software_list_device &swlist, const char *swname, const 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 m_extension_list; }
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();
virtual void device_stop();
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 */
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