> Phew! Then I didn't have to make my sort of "aaargh!" reply... =) > > Linus Lol...don't worry, I smacked myself a few times for saying that :)... Um, Ian, you seemed to have got your own answer wrong...either that, or my answer is wrong: $AA = 10101010 $55 = 01010101 So, your program creates a dotty pattern across the entire screen. James.