Double-Screen Redirecting

os.loadAPI(shell.getRunningProgram().."/../config")
local monitor = peripheral.wrap(config.monitor)
local lastBgColor = colors.black
function getCursorPos()
  return term.native.getCursorPos()
end
function getSize()
  return term.native.getSize()
end
function scroll(qtn)
  monitor.scroll(qtn)
  term.native.scroll(qtn)
end
function clear()
  local x, y = getCursorPos()
  setCursorPos(1, 1)
  local _, h = getSize()
  for i = 1, h + 1 do
	clearLine()
	setCursorPos(1, i)
  end
  setCursorPos(x, y)
  term.native.clear()
end
function clearLine()
  local x, y = getCursorPos()
  setCursorPos(1, y)
  local w = getSize()
  for i = 1, w do
	monitor.write(" ")
  end
  setCursorPos(x, y)
  term.native.clearLine()
end
function write(text)
  local w = getSize()
  local x, y = getCursorPos()
  rtext = string.sub(text, 1, w - x + 1)
  if x < 1 then
	monitor.setCursorPos(1 + 2, y + 2)
	rtext = string.sub(rtext, 2 - x, #rtext)
  end
  monitor.write(rtext)
  term.native.write(text)
end
function setCursorPos(x, y)
  local w, h = getSize()
  local mx, my = x, y
  if y < 1 or y > h then
	my = h + 3
  end
  monitor.setCursorPos(mx + 2, my + 2)
  term.native.setCursorPos(x, y)
end
function setCursorBlink(blink)
  monitor.setCursorBlink(blink)
  term.native.setCursorBlink(blink)
end
function isColor()
  return monitor.isColor()
end
function setTextColor(color)
  monitor.setTextColor(color)
  term.native.setTextColor(color)
end
function setBackgroundColor(color)
  monitor.setBackgroundColor(color)
  term.native.setBackgroundColor(color)
  lastBgColor = color
end
local redirect = {
  getCursorPos = getCursorPos;
  getSize = getSize;
  scroll = scroll;
  clear = clear;
  clearLine = clearLine;
  write = write;
  setCursorPos = setCursorPos;
  setCursorBlink = setCursorBlink;
  isColor = isColor;
  isColour = isColor;
  setTextColor = setTextColor;
  setBackgroundColor = setBackgroundColor;
  setTextColour = setTextColor;
  setBackgroundColour = setBackgroundColor;
}
monitor.setTextScale(1.5)
local width, height = monitor.getSize()
monitor.setTextColor(colors.white)
monitor.setBackgroundColor(colors.black)
monitor.clear()
monitor.setCursorPos(width/2 - #config.title/2 + #config.title%2, 1)
monitor.setBackgroundColor(colors.green)
monitor.clearLine()
monitor.write(config.title)
monitor.setCursorPos(width/2 - #config.subtitle/2 + #config.subtitle%2, 2)
monitor.clearLine()
monitor.write(config.subtitle)
local y = 3
while y < height do
  monitor.setCursorPos(1, y)
  monitor.write("  ")
  monitor.setCursorPos(width - 1, y)
  monitor.write("  ")
  y = y + 1
end
monitor.setCursorPos(1, height)
monitor.clearLine()
redirect.setCursorPos(1, 1)
redirect.setBackgroundColor(colors.black)
shell.setDir("")
redirect.clear()
redirect.setCursorPos(1, 1)
redirect.setTextColor(colors.yellow)
redirect.write("CraftOS 1.5")
redirect.setCursorPos(1, 2)
redirect.setTextColor(colors.white)
term.redirect(redirect)
os.unloadAPI("config")