This is what Ticketmaster did. Up until a few years ago, and it’s probably still the case, they heart of their reservation system was written for the VAX in the

This is what Ticketmaster did. Up until a few years ago, and it’s probably still the case, they heart of their reservation system was written for the VAX in the 70’s. When they had to make the hardware/OS switch, rather than port, the went to an emulator. Edit: spelling