Using dir-as-disk with a single sided drive like the Sony HBD-50 doesn't seem to work properly. I guess the disk is always double sided.
The dir-as-disk code should check whether to create a single sided or double sided disk, depending on the disk drive the disk is inserted in.
Fixed:
commit be44955158ad39e74211a8ee647b8fe3a80b6148
Author: Manuel Bilderbeek Manuel.Bilderbeek@gmail.com
Date: Mon Feb 24 14:03:51 2014 +0100