"Joykey": did you mean any of these programs? https://www.zophar.net/joy.html Because they all seem to map a joystick to keys, while I need the opposite direction - keys to joystick.

In joystick mode, the game does not work. It behaves as if the joystick was stuck to the left hand side. Perhaps if a real joystick was connected, this bad behaviour would disappear, but a virtual joystick doesn't work.

"m1" is even better 😀. But still not ideal. Unfortunately it seems that there's no way to set the initial delay shorter than .25s (which corresponds to the "1"), is there?

use "turbokey m2" Much much better, thank you. But the chuckling after the first step is still there, can it be removed too? I'm not sure what do you mean with DOS port I meant by that that the game was originally released for 8-bit consoles, and only much later re-released also for PCs. Though I …

I'm trying to make work a DOS-port of an old 8-bit console arcade game (Montezuma's Revenge). I have tried several different executables, but they all have the same problem with keyboard, and are unplayable. At first, the game-character makes a step, chucks, and then it starts running. When you …