Re: RAM entity...

Ed Casas (edc@ece.ubc.ca) Tue, 7 Nov 2000 20:17:18 -0800 

Date: Tue, 7 Nov 2000 20:17:18 -0800
From: Ed Casas <edc@ece.ubc.ca>
Subject: Re: RAM entity...



> In this assignment, we need to load values synchronously on the clock edge.
> How does one define the "next" memory value to be the same as the "current"
> memory value except for the one element that is being changed?

One way is to use subscripts to select only the one element of an
array that you want to change. See the RAM example in the lecture
notes.

> Can we have two assignment statements in our process statement?

Yes, as long as they are both simple assignments of the form

 register_output <= register_input ;

-- 
Ed Casas   edc@ece.ubc.ca   http://casas.ece.ubc.ca   +1 604 822-2592