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On Wed, May 13, 2015 at 10:37:51AM -0300, Roberto Ierusalimschy wrote:
> > I was pleased to get an email from a man who wanted to introduce
> > his son to programming using Lua. He ended his email with:
> > 
> > > Anyway, my conclusion is this would be a good way to introduce my son to
> > > programming, but the main obstacle is the debugging!  Throwback into the
> > > editor would be ideal, if that could be arranged.
> Come on, teach the kid the right way! Print debugging is the way to go :-)

Oscilloscope attached to a pin on the parallel port or nothing.

(Or LED blinking in morse.)