What is the difference between disk images and data files?
If the original game is non-DOS, then a complete dump of the disk will be used in the form of a disk image. If the game is DOS, then the files will be placed in a subdirectory, usually called ‘data’. However, for some non-DOS disks, the patcher of the game will extract the files to hard disk, knowing that they are stored in a custom format on the original disk.
