Thanks for your help, fingolfin. Now I'm able to play Maniac Mansion very well!

I'm sorry. But what should I do with a DriverLINX Port IO driver anyhow?

Moderation: Removed full quotation of TeknoJuce's posting from above.

If I try to download uCON64, all I download is a port95 and a DriverLINX Port IO driver! What should I do with all these anyhow?

Uh... Nothing? extract_mm_nes is a program itself. You have to execute it from the command line, using a terminal / command line prompt. Nowhere in the instructions does it say that you should open it in a hex editor :-) Anyway, you only need to use this tool if you want to extract the LFL files, y...

Well, I opened "extract_mm_nes" using "Hex Edit", but I'm not sure what to do. I mean, I want to play the NES version of Maniac Mansion using ScummVM, but the instructions are confusing me! They say here: "Supported versions are English GB (E), French (F), German (G), Swedis...