How do I customize the keyboard?

From OHRRPGCE-Wiki

There is no built-in feature to customize the keyboard in an OHRRPGCE game. The default controls are:

It is possible to set up your own keyboard controls using plotscripting. You must use the suspend player command to disable normal keyboard actions, and then create an On-Keypress script that uses the key is pressed command to check what key the player has pressed.

Here is an example script that re-implements the default controls. You can customize it to suit your own needs

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include, plotscr.hsd
include, scancode.hsi

plotscript, keypress handler, begin

  variable (x,y,d)

  if (hero is walking(me) == false) then, begin

    if (key is pressed(Key:Up)) then (walk hero(me, up, 1))
    if (key is pressed(Key:Left)) then (walk hero(me, left, 1))
    if (key is pressed(Key:Down)) then (walk hero(me, down, 1))
    if (key is pressed(Key:Right)) then (walk hero(me, right, 1))

    if (key is pressed(Key:Space),or,key is pressed(Key:Enter),or,key is pressed(Key:CTRL)) then,begin
      x := hero X(me)
      y := hero Y(me)
      d := hero direction(me)
      if (d == up) then(decrement(y))
      if (d == left) then(decrement(x))
      if (d == down) then(increment(y))
      if (d == right) then(increment(x))
      use NPC(NPC at spot(x,y))
    end

    if (key is pressed(Key:ESC),or,key is pressed(Key:ALT)) then, begin
      # erk! this can't be done yet! :(
    end

  end

end

In typing this, I suddenly realized that although there are commands to call up each sub-menu, there is no command to call up the main menu... and I have no idea why! An enhacement request for this feature has been filed.