Re: EXTERNAL: [vhdl-200x] A compromise about modular type, boolean operations, integers...

From: David Koontz <diogratia@gmail.com>
Date: Wed Oct 22 2014 - 21:03:28 PDT
On 23 Oct 2014, at 3:46 pm, Jones, Andy D <andy.d.jones@lmco.com> wrote:

> For signals, we can create modular integers today, using a resolution function.


It's not a resolution function:

4.6 Resolution functions

A resolution function is a function that defines how the values of multiple sources of a given signal are to be resolved into a single value for that signal. Resolution functions are associated with signals that require resolution by including the name of the resolution function in the declaration of the signal or in the declaration of the subtype of the signal. A signal with an associated resolution function is called a resolved signal (see 6.4.2.3). 

Further what happens when you have two or more drivers?  While it's illegal to have multiple drivers for unresolved signal it is not for signal associated with a resolution function.



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Received on Wed Oct 22 21:04:00 2014

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