adder\adder.cr.mti .....\vsim.wlf .....\adder.v .....\adder_testbench.do .....\adder_testbench.v .....\transcript .....\adder.mpf .....\chart\Thumbs.db .....\.....\图1-3.bmp .....\.....\图1-4.bmp .....\.....\图1-5.bmp .....\.....\图1-6.bmp .....\.....\图1-7.bmp .....\.....\图1-8.bmp .....\chart adder