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Re: gEDA-user: discussion on what busses *mean*



DJ Delorie wrote:
You can refer to the nets within the bus when you pull them out for
a connection:

	A[0:15],D[0:7],RD,WR,EN  - all the nets
	A[0:1],RD,EN  - some of the nets
	A15,D[0:7],WR,EN  - some of the nets

but we could also give the *grouping* a name, like "CONTROL_BUS".

That's what Dietmar is warning against... one way refers to
A[0:15],D[0:7],RD,WR,EN as "CONTROL_BUS" and then it gets confused later
as just meaning A[0:1],RD,EN.

But if we kept it from being used for connections and just as a shorthand
for schematics readability, I'm all for that.  When you get big busses
and big FPGA chips and more than a few hundred pins or pads, I think
schematics break down in usability anyway and verilog netlists are the
thing to do.

--
John


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