this was a good reference for de2 board and quartus II

cookbook
........\arbitration
........\...........\arbiter.v
........\...........\arbiter_tb.v
........\...........\bitscan.v
........\...........\bitscan_tb.v
........\...........\log2.inc
........\...........\prio_encode.cpp
........\...........\prio_encode.v
........\...........\tx_4channel_arbiter.v
........\...........\tx_4channel_arbiter_tb.sv
........\arithmetic
........\..........\adder_tree.v
........\..........\adder_tree_layer.v
........\..........\adder_tree_node.v
........\..........\adder_tree_tb.v
........\..........\addsub.v
........\..........\basic_adder.v
........\..........\compress_32.v
........\..........\cordic.v
........\..........\cordic_angle_table.cpp
........\..........\cordic_tb.v
........\..........\divider.v
........\..........\divider_tb.v
........\..........\double_addsub.v
........\..........\double_addsub_tb.v
........\..........\iter_addsub.v
........\..........\karatsuba_mult.v
........\..........\karatsuba_mult_tb.v
........\..........\lc_mult_signed.v
........\..........\lc_mult_signed_tb.v
........\..........\log2.inc
........\..........\make_comp.cpp
........\..........\make_sum.cpp
........\..........\mult_3tick.v
........\..........\mult_shift.v
........\..........\mult_shift_tb.v
........\..........\pipeline_add.v
........\..........\pipeline_add_msb.v
........\..........\pipeline_add_tb.v
........\..........\select_add.v
........\..........\select_add_speed_test.v
........\..........\six_three_comp.v
........\..........\split_add.v
........\..........\sum_of_3bit_pair.v
........\..........\sum_of_64.v
........\..........\ternary_add.v
........\..........\ternary_sum_nine.v
........\..........\thirtysix_six_comp.v
........\..........\three_two_comp.v
........\..........\twelve_four_comp.v
........\..........\wide_compress.v
........\communication
........\.............\decoder_8b10b.v
........\.............\encoder_8b10b.v
........\.............\encoder_tb.v
........\.............\gearbox_20_67.v
........\.............\gearbox_20_67_tb.sv
........\.............\gearbox_32_33.v
........\.............\gearbox_32_66.v
........\.............\gearbox_32_66_tb.sv
........\.............\gearbox_33_32.v
........\.............\gearbox_33_32_tb.sv
........\.............\gearbox_40_67.v
........\.............\gearbox_40_67_tb.sv
........\.............\gearbox_66_32.v
........\.............\gearbox_66_32_tb.sv
........\.............\gearbox_67_20.v
........\.............\gearbox_67_20_tb.sv
........\.............\gearbox_67_40.v
........\.............\gear_expt.cpp
........\.............\gear_expt2.cpp
........\.............\parallax_gps.v
........\.............\two_to_one.v
........\.............\uart.v
........\.............\uart_hw_test.v
........\.............\uart_tb.v
........\.............\x4_decoder_8b10b.v
........\.............\x4_encoder_8b10b.v
........\.............\x4_encoder_tb.sv
........\compare
........\.......\carry_and.v
........\.......\carry_and_speed_test.v
........\.......\carry_and_tb.v
........\.......\compare_masks.inc
........\.......\compare_tb.v
........\.......\cook.sh
........\.......\equal_const.v
........\.......\equal_const_tb.v
........\.......\highest_10.inc
........\.......\in_range.v
........\.......\in_range_tb.v
........\.......\less_than_const.v
........\.......\log2.inc
........\.......\match_or_inv.v
........\.......\match_or_inv_tb.v
........\.......\min_max.v
........\.......\min_max_tb.v
........\.......\over_under.v
........\.......\pipe_equal.v

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