2 port (ok : out boolean);
6 use ieee.std_logic_1164.all;
7 use ieee.numeric_std.all;
9 architecture behav of snum04 is
11 constant a1 : unsigned (7 downto 0) := x"1d";
12 constant b1 : unsigned (3 downto 0) := x"5";
13 constant r1 : unsigned (11 downto 0) := a1 * b1;
15 signal er1 : unsigned (11 downto 0) := x"091";