max_uart_vhdl/hello.vhdl

--  Hello world program.
use std.textio.all; --  Imports the standard textio package.

--  Defines a design entity, without any ports.
entity hello_world is
end hello_world;

architecture behaviour of hello_world is
begin
  process
     variable l : line;
  begin
     write (l, String'("Hello world!"));
     writeline (output, l);
     wait;
  end process;
end behaviour;