In this second part we get in to the nitty gritty of changing over to using integers instead of characters.

Just a note: somebody pointed out that the speed numbers at the top-left hand side of the profiler were different to what I specified when I ran the code. The numbers in the UI, for some reason, do not update if you run it from a script calling methods like #samplingInterval: - this is probably a fault in the way I set up the profiler and use it.

You can view the screencast here: http://www.spiritshigh.com/codingschool/20060924_part2.htm. Part 3 will be up tomorrow.