On 30/04/2011 08:01, V G wrote:
> Hey all, I'm trying to make a simple Verilog program to display the hex
> value of 4 (binary) switches. The program is organized into two modules.
>
> I've done some reading, but still don't really understand the whole modul=
e
> business. Anyway, I'm getting an error with my code.
>
> Code: http://pastebin.com/c0jRk1jw
>
> UCF: http://pastebin.com/1DnRY3mB
>
> Error: http://pastebin.com/R6HQm0hr
>
> I'm not sure what's wrong and how to go about fixing this. I know what I
> want to do but not really sure how this whole module and parameter passin=
g
> thing works, and what a parameter really is in Verilog.
>
> Maybe I should do VHDL first...

Try changing your output sseg to a reg (so put output reg [7:0] sseg)


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