If these sorts of things aren't interesting to you, then I'm not sure why you come here. This is half of this site.

Nothing interesting to you, mayhap.

I enjoyed reading through the simple code, these older languages can often seem somewhat esoteric to the uninitiated, seeing the COBOL language twisted to fitting in to an MVC-lite pattern helped me to understand what was going in - it read like the applications I'm used to seeing.