Turtle.lua

local monitor = peripheral.wrap("right");
rednet.open("top");

maxX, maxY = monitor.getSize();
curX, curY = 1,1;

print("Max X: " .. maxX .. " Max Y: " .. maxY);

names = {};

function split(msg)
  t=""; 
  i=1
  cmd = string.gmatch(msg, "([^,]+)")
  for str in string.gmatch(msg, "([^,]+)") do
    t = t .. str
    i = i + 1
  end
  return cmd, t;
end

function parseMsg(msg)
  cmd, mess = split(msg);
  print(cmd)
  print(mess)
  if cmd == "log" then
    
    log(mess);
  end
  
end

function log(args)
  monitor.serCursorPos(curX,curY);
  monitor.write(args);
  curY = curY + 1
  if curY == maxY - 1 then
    monitor.scroll(1);
    curY = curY - 1
  end
end

parseMsg("log, Hallo Welt");

--while true do
  --local senderId, message, distance = rednet.receive();
  --parseMsg(message);
--end