[wombat-man]

If you're on windows, use Mouse Keys

https://support.microsoft.com/en-us/windows/use-mouse-keys-t...

[gnicholas]

I remember using Mouse Keys on my Mac in 1989.

[morsch]

Here's how to do it on an Atari ST in 1985: https://www.manualslib.com/manual/1031947/Atari-St.html?page...