/********************************************************************* snapquik.h Snapshots and quickloads *********************************************************************/ #ifndef __SNAPQUIK_H__ #define __SNAPQUIK_H__ typedef int (*snapquick_load_func)(device_image_interface &image, const char *file_type, int file_size); // ======================> snapshot_image_device class snapshot_image_device : public device_t, public device_image_interface { public: // construction/destruction snapshot_image_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); snapshot_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 ~snapshot_image_device(); // image-level overrides virtual bool call_load(); virtual bool call_softlist_load(char *swlist, char *swname, rom_entry *start_entry) { return load_software(swlist, swname, start_entry); } virtual iodevice_t image_type() const { return IO_SNAPSHOT; } 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_file_extensions; } virtual const option_guide *create_option_guide() const { return NULL; } void timer_callback(); void set_handler(snapquick_load_func load, const char *ext, seconds_t sec) { m_load = load; m_file_extensions = ext; m_delay_seconds = sec; }; void set_interface(const char *_interface) { m_interface = _interface; } protected: // device-level overrides virtual void device_config_complete(); virtual void device_start(); snapquick_load_func m_load; /* loading function */ const char * m_file_extensions; /* file extensions */ const char * m_interface; seconds_t m_delay_seconds; /* loading delay (seconds) */ attoseconds_t m_delay_attoseconds; /* loading delay (attoseconds) */ emu_timer *m_timer; }; // device type definition extern const device_type SNAPSHOT; // ======================> quickload_image_device class quickload_image_device : public snapshot_image_device { public: // construction/destruction quickload_image_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); virtual iodevice_t image_type() const { return IO_QUICKLOAD; } }; // device type definition extern const device_type QUICKLOAD; /*************************************************************************** DEVICE CONFIGURATION MACROS ***************************************************************************/ #define SNAPSHOT_LOAD_NAME(name) snapshot_load_##name #define SNAPSHOT_LOAD(name) int SNAPSHOT_LOAD_NAME(name)(device_image_interface &image, const char *file_type, int snapshot_size) #define QUICKLOAD_LOAD_NAME(name) quickload_load_##name #define QUICKLOAD_LOAD(name) int QUICKLOAD_LOAD_NAME(name)(device_image_interface &image, const char *file_type, int quickload_size) #define MCFG_SNAPSHOT_ADD(_tag, _load, _file_extensions, _delay) \ MCFG_DEVICE_ADD(_tag, SNAPSHOT, 0) \ static_cast(device)->set_handler(SNAPSHOT_LOAD_NAME(_load), _file_extensions, _delay); #define MCFG_SNAPSHOT_INTERFACE(_interface) \ static_cast(device)->set_interface(_interface); #define MCFG_QUICKLOAD_ADD(_tag, _load, _file_extensions, _delay) \ MCFG_DEVICE_ADD(_tag, QUICKLOAD, 0) \ static_cast(device)->set_handler(QUICKLOAD_LOAD_NAME(_load), _file_extensions, _delay); #define MCFG_QUICKLOAD_INTERFACE(_interface) \ static_cast(device)->set_interface(_interface); #endif /* __SNAPQUIK_H__ */