Sometimes the control scheme suddenly makes a lot of sense when you see the original keyboard layout, and sometimes joysticks also emulated key pressed (like he

Sometimes the control scheme suddenly makes a lot of sense when you see the original keyboard layout, and sometimes joysticks also emulated key pressed (like here on the ZX Spectrum: https://en.wikipedia.org/wiki/ZX_Interface_2 https://en.wikipedia.org/wiki/ZX_Interface_2).