mon = peripheral.wrap("top")
mon.setTextScale(1)
mon.setBackgroundColor(256)
mon.setCursorPos(1,1)
mon.clear()

function calc_color(color)
    return math.pow(2, color - 1)
end
function msg(gap, line, color, groundb, text)
    mon.setBackgroundColor(calc_color(groundb))
    mon.setCursorPos(gap,line)
    mon.setTextColor(calc_color(color))
    text = mon.write(text)
end

msg(01,01,01,08," Springfield ")
msg(01,02,01,08,"Nuclear Power")
msg(01,03,01,08,"    Plant    ")