[rcarmo]

Hmmm. There was an 8-bit IPv4 stack around that might compile to Z80 assembly, and we could always chirp out data at 1500baud or whatever, so… might well happen in real life some day.

[lproven]

There are several ZX Spectrum IP stacks, e.g.

https://github.com/milankowww/ppp_tcpip_zxspectrum

The more elegant solution is probably a Spectranet interface, which does TCP offload:

https://www.bytedelight.com/?page_id=3515