Carl Mikkelsen had implemented a real - time edit mode loosely based on the TECO - 6 graphic console commands .
Carl Mikkelsen working with the newly installed Datapoint - 3300 CRT text displays .
Carl Mikkelsen had implemented a real - time edit mode loosely based on the TECO - 6 graphic console commands , but working with the newly installed Datapoint - 3300 CRT text displays .