Subject: Re: $root, prototypes etc.
From: Simon Davidmann (simond@co-design.com)
Date: Mon Mar 18 2002 - 11:47:52 PST
>
>Apart from easing incremental compile, 'extern' definitions help define
>a block of code as self-complete. If you need to do something like
>communication synthesis you can treat blocks hanging off the busses as
>black boxes - just declare them 'extern', and you can hang attributes
>to drive synthesis on that declaration.
This is one of things that Interfaces buy you - the ability to define
functionality inside the block and communication methods outside.
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