fg_01_07.vhd entity reg4 -- analyzed, tested ok, formatted fg_01_08.vhd architecture behav of reg4 -- analyzed, tested ok, formatted tb_01_01.vhd entity test_bench_01_01 architecture test_reg4_behav of test_bench_01_01 -- analyzed, tested ok fg_01_10.vhd entity d_latch entity and2 architecture basic of d_latch architecture basic of and2 -- analyzed, tested ok, formatted fg_01_11.vhd architecture struct of reg4 -- analyzed, tested ok, formatted tb_01_02.vhd entity test_bench_01_02 architecture test_reg4_struct of test_bench_01_02 -- analyzed, tested ok tb_01_03.vhd entity shift_adder architecture behavior of shift_adder entity reg architecture behavior of reg entity shift_reg architecture behavior of shift_reg -- analyzed, tested ok fg_01_12.vhd entity multiplier architecture mixed of multiplier -- analyzed, tested ok, formatted fg_01_13.vhd entity test_bench architecture reg4_test of test_bench -- analyzed, tested ok, formatted