232 crossover was still going in the PC era with laplink. Parallel was an option too if I remember. Used to play Duke Nukem 3D over a null modem serial cable.

232 crossover was still going in the PC era with laplink. Parallel was an option too if I remember. Used to play Duke Nukem 3D over a null modem serial cable. In the days of the spectrum where you loaded via an analog audio input from a tape, and saved via the output, you could move from one to another in the same way, skipping the tape. Apparently this was about 1kbit per second.