Comment by musicale

Fortunately you can connect a replica PDP-8 front panel to an emulator!

https://obsolescence.wixsite.com/obsolescence/pidp-8

Or an FPGA-based hardware version:

https://hackaday.io/project/180081-opencores-pdp-8-on-fpga

http://fpgaretrocomputing.org/pdp8x/

etc.