The screenshots show the program was made for DOS. Very likely Windows was used just for network file sharing.
Ya, RPG assumed character based IO so probably a safe bet that they just ported stuff that ran on IBM character based terminals and just made it run in DOS. (I worked in RPG in the 80's)
Ya, RPG assumed character based IO so probably a safe bet that they just ported stuff that ran on IBM character based terminals and just made it run in DOS. (I worked in RPG in the 80's)