Build a 4-bit binary counter which counts from 0 to 9, and then rolls over back to 0. The counter should have a synchronous reset signal which resets the value to 0.
library IEEE; use IEEE.std_logic_1164.all; use IEEE.numeric_std.all; entity countto is port( clk : in std_logic; reset : in std_logic; count : out unsigned(3 downto 0) ); end countto; architecture synth of countto is begin count <= 4d"0"; end;
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