Re: gEDA-user: Register enables in Icarus

["Nikholas Hubbard" <nihub@xxxxxxxxxxx>]

> On Thu, 06 Jan 2005 14:45:07 -0500, David Howland
> <dhowland@xxxxxxxxxxxxx> wrote:
> > Say I want to make a clocked, enabled register.  This would simply be
> > the following in behavioral verilog:
> >
> >      always @(posedge clk) begin
>
> what if you try:
>
>        always @(posedge clk or en) begin
>
> with Icarus?
>
> --
> - Charles Lepple

You cant have the line
   always @(posedge clk or en) begin

becasue you cant have both syncronous and asyncronous call like that.  The 
correct format would be
   always @(posedge clk or negedge en) begin

NH
----- Original Message ----- 
From: "Charles Lepple" <clepple@xxxxxxxxx>
To: <geda-user@xxxxxxxx>
Sent: Thursday, January 06, 2005 12:54 PM
Subject: Re: gEDA-user: Register enables in Icarus


> On Thu, 06 Jan 2005 14:45:07 -0500, David Howland
> <dhowland@xxxxxxxxxxxxx> wrote:
> > Say I want to make a clocked, enabled register.  This would simply be
> > the following in behavioral verilog:
> >
> >      always @(posedge clk) begin
>
> what if you try:
>
>        always @(posedge clk or en) begin
>
> with Icarus?
>
> --
> - Charles Lepple