ScreenTest

x = 1
y = 1
term.clear()
term.setCursorPos(x,y)
xmax, ymax = term.getSize()
numpad1 = "+"
numpad2 = "-"
numpad3 = "|"
numpad4 = "["
numpad5 = "]"
numpad6 = "#"
numpad7 = "{"
numpad8 = "}"
numpad9 = "="
key = { numpad3,numpad2,numpad1,"",numpad6,numpad5,numpad4,"",numpad9,numpad8,numpad7 }

while true do
  event = { os.pullEvent() }
  typed = false
  if event[1] == "key" then
    if event[2] == 200 and y > 1 then
      y = y - 1
    elseif event[2] == 208 and y < ymax then
      y = y + 1
    elseif event[2] == 203  and x > 1 then
      x = x - 1
    elseif event[2] == 205  and x < xmax then
      x = x + 1
    elseif event[2] > 70 and event[2] < 82 then
      term.write(key[82-event[2]])
    elseif event[2] == 14 then
      if x > 1 then
        x = x - 1
      end
      term.setCursorPos(x,y)
      term.write(" ")
    elseif (event[2] > 15 and event[2] < 26) or (event[2] > 29 and event[2] < 39) or (event[2] > 43 and event[2] < 51) then
      name = keys.getName(event[2])
      term.write(name)
      typed = true
    elseif event[2] == 57 then
      term.write(" ")
      typed = true
    elseif event[2] == 28 and y < ymax then
      x = 1
      y = y + 1
    end
    if typed and x < xmax then
      x = x + 1
    end
    term.setCursorPos(x,y)
  end
end