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

From: Tony Duell <ard_at_p850ug1.demon.co.uk>
Date: Wed Feb 16 17:44:43 2005

> >> 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
Received on Wed Feb 16 2005 - 17:44:43 GMT

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