Wasn't it an Atari Portfolio? If memory serves, it had a mostly functional MS-DOS, so writing a program for it was likely not an arduous task. That being said,

Wasn't it an Atari Portfolio? If memory serves, it had a mostly functional MS-DOS, so writing a program for it was likely not an arduous task. That being said, rewatching those scenes, it was a striking little device for its day and ahead of its time.