Lic. Edgar J. De Cleene wrote:

> I complete our delayed Logic Simulator using a bad mix of Smalltalk 
> and stepping methods.
> The exampe is for a decoder on page 105 of Micro-Processors And Logic 
> Design by Ronald L. Kurtz.
> Dedicated to all members of this list what kindly help me , Ned , 
> John, Goran , Diego and others .

Neat use of Connectors, thanks.

Is it supposed to be editable? I tried middle-clicking on the yellow pad 
of a new and gate (to connect it to the circuit), but I got 
MessageNotUnderstood: cambiar, and it seems nobody implements cambiar.

Cheers,

  Tommy