hold = 30
delay = 0

^=::
if(hold > 0)
{
   hold -= 5
}
return

^-::
hold += 5
return

!=::
if(delay > 0)
{
   delay -= 5
}
return

!-::
delay += 5
return

^0::
Send % hold "/" delay
return

z::
Loop
{
   if GetKeyState("z")
      {
         Send {shift down}
	 sleep hold
         Send {shift up}
	 sleep delay
      }
}