On: Project Oberon: Design of an operating system, a c...

[082349872349872]

It's much less pedagogical than Nand to Tetris; if you need the background, read that first, then read this.

(he eventually ported the hardware description to his own HDL, Lola)

[kragen → 082349872349872]

oh i had no idea, i have to see this. does lola support any existing fpgas?

[082349872349872 → kragen]

see https://people.inf.ethz.ch/wirth/Lola/index.html

IIUC, in its 1990s incarnation Wirth had been able to get bitstream formats, but this century everything was closed off, so now it transpiles to Verilog.