HDL vs. schematics (was Re: ebay - cardamatic)

[Tony Duell]

> >> In VHDL, if you want an adder with inputs A and B, and output C,
> >> you would write:
> >>         A <= B + C;
> >
> > Well, fubar.  It's going to be hard for me to convince anyone of the
> > merits of VHDL if I can't write a simple thing like that correctly.
> > It obviously should have been:
> >           C <= A + B;
> >
> > Sorry about that.  What can I say.  It's late and I'm tired.  G'nite.
> >
> > Eric
> >
> 
> Ah, but you showed another advantage of HDLs -- maintenance. How long
> would it have taken to notice the problem using schematics? Usually

What, having inputs and outputs swapped round? At _most_ 5 seconds....

-tony