R-TYPE (meaning receipt typewriter) is a primitive terminal writing program that live prints to a mini receipt printer that uses 58mm thermal paper, connected via USB.

Screenshot of the program in action.
Screenshot of the program in action.

A printed receipt.
A printed receipt.

The writing experience is limiting. Only 32 characters can fit on a line, and once you run over or break a line, you cannot edit the previous line. You can format your text bold and double-wide, as is supported by the printer.