* save and restore window position in windows
* down arrow can now cycle after the end of a menu
* add "new pictures" capability to capture mode
* don´t forget the header of the dialog when comuting
* recreate gamebitmap only when display_cfg.stretch changes
* fix a warning about a return value
* allows the ym2610b for neocd (optional)
* add the possibility to reset the fps to the driver
* compare with old_region only when regions are defined
* fix restoration of sound position in neocd
* changing the region from the menu doesn´t reset immediately
* fix fm sound on the left side for some games