Board Thread:Questions and Answers/@comment-5915870-20130118054242/@comment-109.129.172.29-20130118105533

http://www.computercraft.info/forums2/index.php?/topic/7177-question-adventure-on-monitor/

I think above link might give you an answer. Else, you might want to consider asking on the ComputerCraft forums, as they might have more specialised answers.