Debug 101 is a debugger for AmigaOS 4.1 developed by Alfkil T. Wennermark. This debugger is a source debugger for amigaOS and has many features and comes with a nice reaction GUI. Changes in this version: New GUI. Interpretation of structs, unions and enums. Added detach, signals, breakpoints, step into and step out. You can now also view any part of the memory with the hex viewer.