校外装设计模型im PE学生版本10.4
原文：Error loading design modelsim PE student edition 10.4

I m creating a new project which i called alpha,then i create a new file test.vhd. library ieee; use ieee.std_logic_1164.all; entity d_latch is port( data_in:in std_logic; data_out:out std_logic; ...