Off screen printing checking. Take 2

Totally messed up my local branch rebaseing and was too lazy to unbreak it. Printing off screen causes a out of array exception(flagrant error). Sorry about the indenting, Monodevelop seems hardset in its ways.
This is what i am using to test.
>clearscreen.
>set lineNum to 0.
>set orbit to 0.
>until orbit == 1 {
>  print "LineNum: " + lineNum at (2,2).
>  print "test" at (10,lineNum).
>  on ag5 break.
>  set lineNum to lineNum+1.
>}