Ok... thanks a lot :)
On 4/24/07, x.schaeffer <[EMAIL PROTECTED]> wrote:
> Yes, you can use XOR operator on vectors.
>
> > I can't believe that's the only error :-p
> >
> > how newbie i'm with VHDL :-p
> >
> > ehehe..
> > thanks a LOT schaeffer! :-)
> >
> > now, another simple question:
> >
> > Does VHDL know how to treat XOR operation in vectors??
> >
> > I mean:
> > vect1 : std_logic_vector(7 downto 0);
> > vect2 : std_logic_vector(7 downto 0);
> > vect3 : std_logic_vector(7 downto 0)
> >
> > vect3 <= vect1 xor vect2;
> >
> > Can I use such instruction? Or should I treat each bit
> separately ??
> >
> >
> >
> >
> > On 4/24/07, x.schaeffer <[EMAIL PROTECTED]> wrote:
> > > Hi Felipe,
> > >
> > > You need to remove the semicolon between your assert condition
> > > and the report command, i.e.
> > >
> > > assert letter_out = patterns(i).letter_out
> > > report "bad sum value" severity error;
> > >
> > > instead of
> > >
> > > assert letter_out = patterns(i).letter_out;
> > > report "bad sum value" severity error;
> > >
> > > Regards,
> > > Xavier
> > >
> > > > hello all I've these two really simple files but I just
> > > can't see were
> > > > the error lives, could any one of you tell me??
> > > >
> > > > I alway get "bad sum value" report.
> > > >
> > > > FILE SIMPLE_XOR.VHDL
> > > > library ieee;
> > > >
> > > > use ieee.std_logic_1164.all;
> > > >
> > > > entity simple_xor is port (
> > > > letter_in: in std_logic;
> > > > letter_out: out std_logic
> > > > );
> > > > end simple_xor;
> > > >
> > > > architecture behaviour of simple_xor is
> > > > begin
> > > > simple_xor:
> > > > letter_out <= letter_in xor '0';
> > > > end architecture behaviour;
> > > >
> > > >
> > > > FILE SIMPLE_XOR_TB.VHDL
> > > > library ieee;
> > > >
> > > > use ieee.std_logic_1164.all;
> > > >
> > > > entity simple_xor_tb is
> > > > end simple_xor_tb;
> > > >
> > > > architecture behaviour of simple_xor_tb is
> > > >
> > > > component simple_xor
> > > > port (
> > > > letter_in: in std_logic;
> > > > letter_out: out std_logic
> > > > );
> > > > end component;
> > > >
> > > > for simple_xor_0 : simple_xor use entity
> work.simple_xor;
> > > > signal letter_in : std_logic;
> > > > signal letter_out: std_logic;
> > > >
> > > > begin
> > > > simple_xor_0: simple_xor port map (letter_in =>
> letter_in,
> > > > letter_out =>
> letter_out);
> > > >
> > > > process
> > > > type pattern_type is record
> > > > letter_in : std_logic;
> > > > letter_out : std_logic;
> > > > end record;
> > > >
> > > > type pattern_array is array (natural range <>) of
> > > pattern_type;
> > > > constant patterns : pattern_array :=
> > > > (('0', '0'),
> > > > ('1', '1'));
> > > > begin
> > > > for i in patterns'range loop
> > > > letter_in <= patterns(i).letter_in;
> > > > wait for 1 ns;
> > > >
> > > > assert letter_out = patterns(i).letter_out;
> > > > report "bad sum value" severity error;
> > > > end loop;
> > > > assert false report "end of test" severity
> note;
> > > > wait;
> > > >
> > > > end process;
> > > > end architecture behaviour;
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > --
> > > > Best Regards,
> > > >
> > > > Felipe Balbi
> > > > [EMAIL PROTECTED]
> > > >
> > > > _______________________________________________
> > > > Ghdl-discuss mailing list
> > > > [email protected]
> > > > https://mail.gna.org/listinfo/ghdl-discuss
> > > >
> > >
> > > Créez votre adresse électronique [EMAIL PROTECTED]
> > > 1 Go d'espace de stockage, anti-spam et anti-virus intégrés.
> > >
> > >
> > > _______________________________________________
> > > Ghdl-discuss mailing list
> > > [email protected]
> > > https://mail.gna.org/listinfo/ghdl-discuss
> > >
> >
> >
> > --
> > Best Regards,
> >
> > Felipe Balbi
> > [EMAIL PROTECTED]
> >
> > _______________________________________________
> > Ghdl-discuss mailing list
> > [email protected]
> > https://mail.gna.org/listinfo/ghdl-discuss
> >
>
> Créez votre adresse électronique [EMAIL PROTECTED]
> 1 Go d'espace de stockage, anti-spam et anti-virus intégrés.
>
>
> _______________________________________________
> Ghdl-discuss mailing list
> [email protected]
> https://mail.gna.org/listinfo/ghdl-discuss
>
--
Best Regards,
Felipe Balbi
[EMAIL PROTECTED]
_______________________________________________
Ghdl-discuss mailing list
[email protected]
https://mail.gna.org/listinfo/ghdl-discuss
