> (2) was killed by marketing. At the time, our primary competition for
> educators was Ada-Ed. Ada-Ed was an interpreter, and marketing emphasized
> that Janus/Ada was a true native compiler. Having an introductory version
> that wasn't a true native compiler would have made it harder to sell (at
> least, that was the theory).
Ada-Ed versions 2 (SETL interpreter) and 3 (Ada-Ed/C) also used a virtual machine.
Description is available in the PhD thesis of P. Kruchten and JP Rosen...
           J-P. Rosen ([log in to unmask])
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