> My first Ada project was using it as a PDL for micro code for a bit
> slice computer. For those of you who don't know about them, back in the
> old TTL logic days before CMOS was king. Many vendors made the basic
> math unit and register sets in 4 bit slices. If you wanted a 16 bit
> computer you used 4 of them. If you wanted a 32 bit computer you used
> 8. And so on. This use of Ada was very successful because it allowed
> very good definition of the data though the use of rep specs. So the
> hardware people loved it. The software people liked it because it allow
> us to abstract away those details.
Isn't this sort of thing part of what VHDL is about?