Did a similar thing with engraver software (which had a parallel port hardware serial key dongle that DOSBox allowed access to) and a dBASE IV program at a clie

Did a similar thing with engraver software (which had a parallel port hardware serial key dongle that DOSBox allowed access to) and a dBASE IV program at a client's factory. Amazing piece of emulation that enables "ancient" code to run forever in small businesses around the world.