soft modem like winmodem and winprinter is a term that strikes terror into my heart. ibm thinkpads experimented with softmodems making the sound card pretend to be a modem. they were awful awful devices. was not surprised when they went back to real modems installed.

This is a super hack. I knew the hardware in my Atari 410 tape drive made it essentially a modem but I never really thought to move upstream and use the computer itself to generate the FSK tones for data communication.