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///////////////////////////////////////////////////////////////////// //// //// //// JPEG Encoder Core - Verilog //// //// //// //// Author: David Lundgren //// //// davidklun@gmail.com //// //// //// ///////////////////////////////////////////////////////////////////// //// //// //// Copyright (C) 2009 David Lundgren //// //// davidklun@gmail.com //// //// //// //// This source file may be used and distributed without //// //// restriction provided that this copyright statement is not //// //// removed from the file and that any derivative work contains //// //// the original copyright notice and the associated disclaimer.//// //// //// //// THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY //// //// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED //// //// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS //// //// FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL THE AUTHOR //// //// OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, //// //// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES //// //// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE //// //// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR //// //// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF //// //// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT //// //// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT //// //// OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE //// //// POSSIBILITY OF SUCH DAMAGE. //// //// //// ///////////////////////////////////////////////////////////////////// /* This module is the Huffman encoder. It takes in the quantized outputs from the quantizer, and creates the Huffman codes from these value. The output from this module is the jpeg code of the actual pixel data. The jpeg file headers will need to be generated separately. The Huffman codes are constant, and they can be changed by changing the parameters in this module. */ `timescale 1ns / 100ps module y_huff(clk, rst, enable, Y11, Y12, Y13, Y14, Y15, Y16, Y17, Y18, Y21, Y22, Y23, Y24, Y25, Y26, Y27, Y28, Y31, Y32, Y33, Y34, Y35, Y36, Y37, Y38, Y41, Y42, Y43, Y44, Y45, Y46, Y47, Y48, Y51, Y52, Y53, Y54, Y55, Y56, Y57, Y58, Y61, Y62, Y63, Y64, Y65, Y66, Y67, Y68, Y71, Y72, Y73, Y74, Y75, Y76, Y77, Y78, Y81, Y82, Y83, Y84, Y85, Y86, Y87, Y88, JPEG_bitstream, data_ready, output_reg_count, end_of_block_output, end_of_block_empty); input clk; input rst; input enable; input [10:0] Y11, Y12, Y13, Y14, Y15, Y16, Y17, Y18, Y21, Y22, Y23, Y24; input [10:0] Y25, Y26, Y27, Y28, Y31, Y32, Y33, Y34, Y35, Y36, Y37, Y38; input [10:0] Y41, Y42, Y43, Y44, Y45, Y46, Y47, Y48, Y51, Y52, Y53, Y54; input [10:0] Y55, Y56, Y57, Y58, Y61, Y62, Y63, Y64, Y65, Y66, Y67, Y68; input [10:0] Y71, Y72, Y73, Y74, Y75, Y76, Y77, Y78, Y81, Y82, Y83, Y84; input [10:0] Y85, Y86, Y87, Y88; output [31:0] JPEG_bitstream; output data_ready; output output_reg_count; output end_of_block_output; output end_of_block_empty; reg [7:0] block_counter; reg [11:0] Y11_amp, Y11_1_pos, Y11_1_neg, Y11_diff; reg [11:0] Y11_previous, Y11_1; reg [10:0] Y12_amp, Y12_pos, Y12_neg; reg [10:0] Y21_pos, Y21_neg, Y31_pos, Y31_neg, Y22_pos, Y22_neg; reg [10:0] Y13_pos, Y13_neg, Y14_pos, Y14_neg, Y15_pos, Y15_neg; reg [10:0] Y16_pos, Y16_neg, Y17_pos, Y17_neg, Y18_pos, Y18_neg; reg [10:0] Y23_pos, Y23_neg, Y24_pos, Y24_neg, Y25_pos, Y25_neg; reg [10:0] Y26_pos, Y26_neg, Y27_pos, Y27_neg, Y28_pos, Y28_neg; reg [10:0] Y32_pos, Y32_neg; reg [10:0] Y33_pos, Y33_neg, Y34_pos, Y34_neg, Y35_pos, Y35_neg; reg [10:0] Y36_pos, Y36_neg, Y37_pos, Y37_neg, Y38_pos, Y38_neg; reg [10:0] Y41_pos, Y41_neg, Y42_pos, Y42_neg; reg [10:0] Y43_pos, Y43_neg, Y44_pos, Y44_neg, Y45_pos, Y45_neg; reg [10:0] Y46_pos, Y46_neg, Y47_pos, Y47_neg, Y48_pos, Y48_neg; reg [10:0] Y51_pos, Y51_neg, Y52_pos, Y52_neg; reg [10:0] Y53_pos, Y53_neg, Y54_pos, Y54_neg, Y55_pos, Y55_neg; reg [10:0] Y56_pos, Y56_neg, Y57_pos, Y57_neg, Y58_pos, Y58_neg; reg [10:0] Y61_pos, Y61_neg, Y62_pos, Y62_neg; reg [10:0] Y63_pos, Y63_neg, Y64_pos, Y64_neg, Y65_pos, Y65_neg; reg [10:0] Y66_pos, Y66_neg, Y67_pos, Y67_neg, Y68_pos, Y68_neg; reg [10:0] Y71_pos, Y71_neg, Y72_pos, Y72_neg; reg [10:0] Y73_pos, Y73_neg, Y74_pos, Y74_neg, Y75_pos, Y75_neg; reg [10:0] Y76_pos, Y76_neg, Y77_pos, Y77_neg, Y78_pos, Y78_neg; reg [10:0] Y81_pos, Y81_neg, Y82_pos, Y82_neg; reg [10:0] Y83_pos, Y83_neg, Y84_pos, Y84_neg, Y85_pos, Y85_neg; reg [10:0] Y86_pos, Y86_neg, Y87_pos, Y87_neg, Y88_pos, Y88_neg; reg [3:0] Y11_bits_pos, Y11_bits_neg, Y11_bits, Y11_bits_1; reg [3:0] Y12_bits_pos, Y12_bits_neg, Y12_bits, Y12_bits_1; reg [3:0] Y12_bits_2, Y12_bits_3; reg Y11_msb, Y12_msb, Y12_msb_1, data_ready; reg enable_1, enable_2, enable_3, enable_4, enable_5, enable_6; reg enable_7, enable_8, enable_9, enable_10, enable_11, enable_12; reg enable_13, enable_module, enable_latch_7, enable_latch_8; reg Y12_et_zero, rollover, rollover_1, rollover_2, rollover_3; reg rollover_4, rollover_5, rollover_6, rollover_7; reg Y21_et_zero, Y21_msb, Y31_et_zero, Y31_msb; reg Y22_et_zero, Y22_msb, Y13_et_zero, Y13_msb; reg Y14_et_zero, Y14_msb, Y15_et_zero, Y15_msb; reg Y16_et_zero, Y16_msb, Y17_et_zero, Y17_msb; reg Y18_et_zero, Y18_msb; reg Y23_et_zero, Y23_msb, Y24_et_zero, Y24_msb; reg Y25_et_zero, Y25_msb, Y26_et_zero, Y26_msb; reg Y27_et_zero, Y27_msb, Y28_et_zero, Y28_msb; reg Y32_et_zero, Y32_msb, Y33_et_zero, Y33_msb; reg Y34_et_zero, Y34_msb, Y35_et_zero, Y35_msb; reg Y36_et_zero, Y36_msb, Y37_et_zero, Y37_msb; reg Y38_et_zero, Y38_msb; reg Y41_et_zero, Y41_msb, Y42_et_zero, Y42_msb; reg Y43_et_zero, Y43_msb, Y44_et_zero, Y44_msb; reg Y45_et_zero, Y45_msb, Y46_et_zero, Y46_msb; reg Y47_et_zero, Y47_msb, Y48_et_zero, Y48_msb; reg Y51_et_zero, Y51_msb, Y52_et_zero, Y52_msb; reg Y53_et_zero, Y53_msb, Y54_et_zero, Y54_msb; reg Y55_et_zero, Y55_msb, Y56_et_zero, Y56_msb; reg Y57_et_zero, Y57_msb, Y58_et_zero, Y58_msb; reg Y61_et_zero, Y61_msb, Y62_et_zero, Y62_msb; reg Y63_et_zero, Y63_msb, Y64_et_zero, Y64_msb; reg Y65_et_zero, Y65_msb, Y66_et_zero, Y66_msb; reg Y67_et_zero, Y67_msb, Y68_et_zero, Y68_msb; reg Y71_et_zero, Y71_msb, Y72_et_zero, Y72_msb; reg Y73_et_zero, Y73_msb, Y74_et_zero, Y74_msb; reg Y75_et_zero, Y75_msb, Y76_et_zero, Y76_msb; reg Y77_et_zero, Y77_msb, Y78_et_zero, Y78_msb; reg Y81_et_zero, Y81_msb, Y82_et_zero, Y82_msb; reg Y83_et_zero, Y83_msb, Y84_et_zero, Y84_msb; reg Y85_et_zero, Y85_msb, Y86_et_zero, Y86_msb; reg Y87_et_zero, Y87_msb, Y88_et_zero, Y88_msb; reg Y12_et_zero_1, Y12_et_zero_2, Y12_et_zero_3, Y12_et_zero_4, Y12_et_zero_5; reg [10:0] Y_DC [11:0]; reg [3:0] Y_DC_code_length [11:0]; reg [15:0] Y_AC [161:0]; reg [4:0] Y_AC_code_length [161:0]; reg [7:0] Y_AC_run_code [250:0]; reg [10:0] Y11_Huff, Y11_Huff_1, Y11_Huff_2; reg [15:0] Y12_Huff, Y12_Huff_1, Y12_Huff_2; reg [3:0] Y11_Huff_count, Y11_Huff_shift, Y11_Huff_shift_1, Y11_amp_shift, Y12_amp_shift; reg [3:0] Y12_Huff_shift, Y12_Huff_shift_1, zero_run_length, zrl_1, zrl_2, zrl_3; reg [4:0] Y12_Huff_count, Y12_Huff_count_1; reg [4:0] output_reg_count, Y11_output_count, old_orc_1, old_orc_2; reg [4:0] old_orc_3, old_orc_4, old_orc_5, old_orc_6, Y12_oc_1; reg [4:0] orc_3, orc_4, orc_5, orc_6, orc_7, orc_8; reg [4:0] Y12_output_count; reg [4:0] Y12_edge, Y12_edge_1, Y12_edge_2, Y12_edge_3, Y12_edge_4; reg [31:0] JPEG_bitstream, JPEG_bs, JPEG_bs_1, JPEG_bs_2, JPEG_bs_3, JPEG_bs_4, JPEG_bs_5; reg [31:0] JPEG_Y12_bs, JPEG_Y12_bs_1, JPEG_Y12_bs_2, JPEG_Y12_bs_3, JPEG_Y12_bs_4; reg [31:0] JPEG_ro_bs, JPEG_ro_bs_1, JPEG_ro_bs_2, JPEG_ro_bs_3, JPEG_ro_bs_4; reg [21:0] Y11_JPEG_LSBs_3; reg [10:0] Y11_JPEG_LSBs, Y11_JPEG_LSBs_1, Y11_JPEG_LSBs_2; reg [9:0] Y12_JPEG_LSBs, Y12_JPEG_LSBs_1, Y12_JPEG_LSBs_2, Y12_JPEG_LSBs_3; reg [25:0] Y11_JPEG_bits, Y11_JPEG_bits_1, Y12_JPEG_bits, Y12_JPEG_LSBs_4; reg [7:0] Y12_code_entry; reg third_8_all_0s, fourth_8_all_0s, fifth_8_all_0s, sixth_8_all_0s, seventh_8_all_0s; reg eighth_8_all_0s, end_of_block, code_15_0, zrl_et_15, end_of_block_output; reg end_of_block_empty; wire [7:0] code_index = { zrl_2, Y12_bits }; always @(posedge clk) begin if (rst) begin third_8_all_0s <= 0; fourth_8_all_0s <= 0; fifth_8_all_0s <= 0; sixth_8_all_0s <= 0; seventh_8_all_0s <= 0; eighth_8_all_0s <= 0; end else if (enable_1) begin third_8_all_0s <= Y25_et_zero & Y34_et_zero & Y43_et_zero & Y52_et_zero & Y61_et_zero & Y71_et_zero & Y62_et_zero & Y53_et_zero; fourth_8_all_0s <= Y44_et_zero & Y35_et_zero & Y26_et_zero & Y17_et_zero & Y18_et_zero & Y27_et_zero & Y36_et_zero & Y45_et_zero; fifth_8_all_0s <= Y54_et_zero & Y63_et_zero & Y72_et_zero & Y81_et_zero & Y82_et_zero & Y73_et_zero & Y64_et_zero & Y55_et_zero; sixth_8_all_0s <= Y46_et_zero & Y37_et_zero & Y28_et_zero & Y38_et_zero & Y47_et_zero & Y56_et_zero & Y65_et_zero & Y74_et_zero; seventh_8_all_0s <= Y83_et_zero & Y84_et_zero & Y75_et_zero & Y66_et_zero & Y57_et_zero & Y48_et_zero & Y58_et_zero & Y67_et_zero; eighth_8_all_0s <= Y76_et_zero & Y85_et_zero & Y86_et_zero & Y77_et_zero & Y68_et_zero & Y78_et_zero & Y87_et_zero & Y88_et_zero; end end /* end_of_block checks to see if there are any nonzero elements left in the block If there aren't any nonzero elements left, then the last bits in the JPEG stream will be the end of block code. The purpose of this register is to determine if the zero run length code 15-0 should be used or not. It should be used if there are 15 or more zeros in a row, followed by a nonzero value. If there are only zeros left in the block, then end_of_block will be 1. If there are any nonzero values left in the block, end_of_block will be 0. */ always @(posedge clk) begin if (rst) end_of_block <= 0; else if (enable) end_of_block <= 0; else if (enable_module & block_counter < 32) end_of_block <= third_8_all_0s & fourth_8_all_0s & fifth_8_all_0s & sixth_8_all_0s & seventh_8_all_0s & eighth_8_all_0s; else if (enable_module & block_counter < 48) end_of_block <= fifth_8_all_0s & sixth_8_all_0s & seventh_8_all_0s & eighth_8_all_0s; else if (enable_module & block_counter <= 64) end_of_block <= seventh_8_all_0s & eighth_8_all_0s; else if (enable_module & block_counter > 64) end_of_block <= 1; end always @(posedge clk) begin if (rst) begin block_counter <= 0; end else if (enable) begin block_counter <= 0; end else if (enable_module) begin block_counter <= block_counter + 1; end end always @(posedge clk) begin if (rst) begin output_reg_count <= 0; end else if (end_of_block_output) begin output_reg_count <= 0; end else if (enable_6) begin output_reg_count <= output_reg_count + Y11_output_count; end else if (enable_latch_7) begin output_reg_count <= output_reg_count + Y12_oc_1; end end always @(posedge clk) begin if (rst) begin old_orc_1 <= 0; end else if (end_of_block_output) begin old_orc_1 <= 0; end else if (enable_module) begin old_orc_1 <= output_reg_count; end end always @(posedge clk) begin if (rst) begin rollover <= 0; rollover_1 <= 0; rollover_2 <= 0; rollover_3 <= 0; rollover_4 <= 0; rollover_5 <= 0; rollover_6 <= 0; rollover_7 <= 0; old_orc_2 <= 0; orc_3 <= 0; orc_4 <= 0; orc_5 <= 0; orc_6 <= 0; orc_7 <= 0; orc_8 <= 0; data_ready <= 0; end_of_block_output <= 0; end_of_block_empty <= 0; end else if (enable_module) begin rollover <= (old_orc_1 > output_reg_count); rollover_1 <= rollover; rollover_2 <= rollover_1; rollover_3 <= rollover_2; rollover_4 <= rollover_3; rollover_5 <= rollover_4; rollover_6 <= rollover_5; rollover_7 <= rollover_6; old_orc_2 <= old_orc_1; orc_3 <= old_orc_2; orc_4 <= orc_3; orc_5 <= orc_4; orc_6 <= orc_5; orc_7 <= orc_6; orc_8 <= orc_7; data_ready <= rollover_6 | block_counter == 77; end_of_block_output <= block_counter == 77; end_of_block_empty <= rollover_7 & block_counter == 77 & output_reg_count == 0; end end always @(posedge clk) begin if (rst) begin JPEG_bs_5 <= 0; end else if (enable_module) begin JPEG_bs_5[31] <= (rollover_6 & orc_7 > 0) ? JPEG_ro_bs_4[31] : JPEG_bs_4[31]; JPEG_bs_5[30] <= (rollover_6 & orc_7 > 1) ? JPEG_ro_bs_4[30] : JPEG_bs_4[30]; JPEG_bs_5[29] <= (rollover_6 & orc_7 > 2) ? JPEG_ro_bs_4[29] : JPEG_bs_4[29]; JPEG_bs_5[28] <= (rollover_6 & orc_7 > 3) ? JPEG_ro_bs_4[28] : JPEG_bs_4[28]; JPEG_bs_5[27] <= (rollover_6 & orc_7 > 4) ? JPEG_ro_bs_4[27] : JPEG_bs_4[27]; JPEG_bs_5[26] <= (rollover_6 & orc_7 > 5) ? JPEG_ro_bs_4[26] : JPEG_bs_4[26]; JPEG_bs_5[25] <= (rollover_6 & orc_7 > 6) ? JPEG_ro_bs_4[25] : JPEG_bs_4[25]; JPEG_bs_5[24] <= (rollover_6 & orc_7 > 7) ? JPEG_ro_bs_4[24] : JPEG_bs_4[24]; JPEG_bs_5[23] <= (rollover_6 & orc_7 > 8) ? JPEG_ro_bs_4[23] : JPEG_bs_4[23]; JPEG_bs_5[22] <= (rollover_6 & orc_7 > 9) ? JPEG_ro_bs_4[22] : JPEG_bs_4[22]; JPEG_bs_5[21] <= (rollover_6 & orc_7 > 10) ? JPEG_ro_bs_4[21] : JPEG_bs_4[21]; JPEG_bs_5[20] <= (rollover_6 & orc_7 > 11) ? JPEG_ro_bs_4[20] : JPEG_bs_4[20]; JPEG_bs_5[19] <= (rollover_6 & orc_7 > 12) ? JPEG_ro_bs_4[19] : JPEG_bs_4[19]; JPEG_bs_5[18] <= (rollover_6 & orc_7 > 13) ? JPEG_ro_bs_4[18] : JPEG_bs_4[18]; JPEG_bs_5[17] <= (rollover_6 & orc_7 > 14) ? JPEG_ro_bs_4[17] : JPEG_bs_4[17]; JPEG_bs_5[16] <= (rollover_6 & orc_7 > 15) ? JPEG_ro_bs_4[16] : JPEG_bs_4[16]; JPEG_bs_5[15] <= (rollover_6 & orc_7 > 16) ? JPEG_ro_bs_4[15] : JPEG_bs_4[15]; JPEG_bs_5[14] <= (rollover_6 & orc_7 > 17) ? JPEG_ro_bs_4[14] : JPEG_bs_4[14]; JPEG_bs_5[13] <= (rollover_6 & orc_7 > 18) ? JPEG_ro_bs_4[13] : JPEG_bs_4[13]; JPEG_bs_5[12] <= (rollover_6 & orc_7 > 19) ? JPEG_ro_bs_4[12] : JPEG_bs_4[12]; JPEG_bs_5[11] <= (rollover_6 & orc_7 > 20) ? JPEG_ro_bs_4[11] : JPEG_bs_4[11]; JPEG_bs_5[10] <= (rollover_6 & orc_7 > 21) ? JPEG_ro_bs_4[10] : JPEG_bs_4[10]; JPEG_bs_5[9] <= (rollover_6 & orc_7 > 22) ? JPEG_ro_bs_4[9] : JPEG_bs_4[9]; JPEG_bs_5[8] <= (rollover_6 & orc_7 > 23) ? JPEG_ro_bs_4[8] : JPEG_bs_4[8]; JPEG_bs_5[7] <= (rollover_6 & orc_7 > 24) ? JPEG_ro_bs_4[7] : JPEG_bs_4[7]; JPEG_bs_5[6] <= (rollover_6 & orc_7 > 25) ? JPEG_ro_bs_4[6] : JPEG_bs_4[6]; JPEG_bs_5[5] <= (rollover_6 & orc_7 > 26) ? JPEG_ro_bs_4[5] : JPEG_bs_4[5]; JPEG_bs_5[4] <= (rollover_6 & orc_7 > 27) ? JPEG_ro_bs_4[4] : JPEG_bs_4[4]; JPEG_bs_5[3] <= (rollover_6 & orc_7 > 28) ? JPEG_ro_bs_4[3] : JPEG_bs_4[3]; JPEG_bs_5[2] <= (rollover_6 & orc_7 > 29) ? JPEG_ro_bs_4[2] : JPEG_bs_4[2]; JPEG_bs_5[1] <= (rollover_6 & orc_7 > 30) ? JPEG_ro_bs_4[1] : JPEG_bs_4[1]; JPEG_bs_5[0] <= JPEG_bs_4[0]; end end always @(posedge clk) begin if (rst) begin JPEG_bs_4 <= 0; JPEG_ro_bs_4 <= 0; end else if (enable_module) begin JPEG_bs_4 <= (old_orc_6 == 1) ? JPEG_bs_3 >> 1 : JPEG_bs_3; JPEG_ro_bs_4 <= (Y12_edge_4 <= 1) ? JPEG_ro_bs_3 << 1 : JPEG_ro_bs_3; end end always @(posedge clk) begin if (rst) begin JPEG_bs_3 <= 0; old_orc_6 <= 0; JPEG_ro_bs_3 <= 0; Y12_edge_4 <= 0; end else if (enable_module) begin JPEG_bs_3 <= (old_orc_5 >= 2) ? JPEG_bs_2 >> 2 : JPEG_bs_2; old_orc_6 <= (old_orc_5 >= 2) ? old_orc_5 - 2 : old_orc_5; JPEG_ro_bs_3 <= (Y12_edge_3 <= 2) ? JPEG_ro_bs_2 << 2 : JPEG_ro_bs_2; Y12_edge_4 <= (Y12_edge_3 <= 2) ? Y12_edge_3 : Y12_edge_3 - 2; end end always @(posedge clk) begin if (rst) begin JPEG_bs_2 <= 0; old_orc_5 <= 0; JPEG_ro_bs_2 <= 0; Y12_edge_3 <= 0; end else if (enable_module) begin JPEG_bs_2 <= (old_orc_4 >= 4) ? JPEG_bs_1 >> 4 : JPEG_bs_1; old_orc_5 <= (old_orc_4 >= 4) ? old_orc_4 - 4 : old_orc_4; JPEG_ro_bs_2 <= (Y12_edge_2 <= 4) ? JPEG_ro_bs_1 << 4 : JPEG_ro_bs_1; Y12_edge_3 <= (Y12_edge_2 <= 4) ? Y12_edge_2 : Y12_edge_2 - 4; end end always @(posedge clk) begin if (rst) begin JPEG_bs_1 <= 0; old_orc_4 <= 0; JPEG_ro_bs_1 <= 0; Y12_edge_2 <= 0; end else if (enable_module) begin JPEG_bs_1 <= (old_orc_3 >= 8) ? JPEG_bs >> 8 : JPEG_bs; old_orc_4 <= (old_orc_3 >= 8) ? old_orc_3 - 8 : old_orc_3; JPEG_ro_bs_1 <= (Y12_edge_1 <= 8) ? JPEG_ro_bs << 8 : JPEG_ro_bs; Y12_edge_2 <= (Y12_edge_1 <= 8) ? Y12_edge_1 : Y12_edge_1 - 8; end end always @(posedge clk) begin if (rst) begin JPEG_bs <= 0; old_orc_3 <= 0; JPEG_ro_bs <= 0; Y12_edge_1 <= 0; Y11_JPEG_bits_1 <= 0; end else if (enable_module) begin JPEG_bs <= (old_orc_2 >= 16) ? Y11_JPEG_bits >> 10 : Y11_JPEG_bits << 6; old_orc_3 <= (old_orc_2 >= 16) ? old_orc_2 - 16 : old_orc_2; JPEG_ro_bs <= (Y12_edge <= 16) ? Y11_JPEG_bits_1 << 16 : Y11_JPEG_bits_1; Y12_edge_1 <= (Y12_edge <= 16) ? Y12_edge : Y12_edge - 16; Y11_JPEG_bits_1 <= Y11_JPEG_bits; end end always @(posedge clk) begin if (rst) begin Y12_JPEG_bits <= 0; Y12_edge <= 0; end else if (enable_module) begin Y12_JPEG_bits[25] <= (Y12_Huff_shift_1 >= 16) ? Y12_JPEG_LSBs_4[25] : Y12_Huff_2[15]; Y12_JPEG_bits[24] <= (Y12_Huff_shift_1 >= 15) ? Y12_JPEG_LSBs_4[24] : Y12_Huff_2[14]; Y12_JPEG_bits[23] <= (Y12_Huff_shift_1 >= 14) ? Y12_JPEG_LSBs_4[23] : Y12_Huff_2[13]; Y12_JPEG_bits[22] <= (Y12_Huff_shift_1 >= 13) ? Y12_JPEG_LSBs_4[22] : Y12_Huff_2[12]; Y12_JPEG_bits[21] <= (Y12_Huff_shift_1 >= 12) ? Y12_JPEG_LSBs_4[21] : Y12_Huff_2[11]; Y12_JPEG_bits[20] <= (Y12_Huff_shift_1 >= 11) ? Y12_JPEG_LSBs_4[20] : Y12_Huff_2[10]; Y12_JPEG_bits[19] <= (Y12_Huff_shift_1 >= 10) ? Y12_JPEG_LSBs_4[19] : Y12_Huff_2[9]; Y12_JPEG_bits[18] <= (Y12_Huff_shift_1 >= 9) ? Y12_JPEG_LSBs_4[18] : Y12_Huff_2[8]; Y12_JPEG_bits[17] <= (Y12_Huff_shift_1 >= 8) ? Y12_JPEG_LSBs_4[17] : Y12_Huff_2[7]; Y12_JPEG_bits[16] <= (Y12_Huff_shift_1 >= 7) ? Y12_JPEG_LSBs_4[16] : Y12_Huff_2[6]; Y12_JPEG_bits[15] <= (Y12_Huff_shift_1 >= 6) ? Y12_JPEG_LSBs_4[15] : Y12_Huff_2[5]; Y12_JPEG_bits[14] <= (Y12_Huff_shift_1 >= 5) ? Y12_JPEG_LSBs_4[14] : Y12_Huff_2[4]; Y12_JPEG_bits[13] <= (Y12_Huff_shift_1 >= 4) ? Y12_JPEG_LSBs_4[13] : Y12_Huff_2[3]; Y12_JPEG_bits[12] <= (Y12_Huff_shift_1 >= 3) ? Y12_JPEG_LSBs_4[12] : Y12_Huff_2[2]; Y12_JPEG_bits[11] <= (Y12_Huff_shift_1 >= 2) ? Y12_JPEG_LSBs_4[11] : Y12_Huff_2[1]; Y12_JPEG_bits[10] <= (Y12_Huff_shift_1 >= 1) ? Y12_JPEG_LSBs_4[10] : Y12_Huff_2[0]; Y12_JPEG_bits[9:0] <= Y12_JPEG_LSBs_4[9:0]; Y12_edge <= old_orc_2 + 26; // 26 is the size of Y11_JPEG_bits end end always @(posedge clk) begin if (rst) begin Y11_JPEG_bits <= 0; end else if (enable_7) begin Y11_JPEG_bits[25] <= (Y11_Huff_shift_1 >= 11) ? Y11_JPEG_LSBs_3[21] : Y11_Huff_2[10]; Y11_JPEG_bits[24] <= (Y11_Huff_shift_1 >= 10) ? Y11_JPEG_LSBs_3[20] : Y11_Huff_2[9]; Y11_JPEG_bits[23] <= (Y11_Huff_shift_1 >= 9) ? Y11_JPEG_LSBs_3[19] : Y11_Huff_2[8]; Y11_JPEG_bits[22] <= (Y11_Huff_shift_1 >= 8) ? Y11_JPEG_LSBs_3[18] : Y11_Huff_2[7]; Y11_JPEG_bits[21] <= (Y11_Huff_shift_1 >= 7) ? Y11_JPEG_LSBs_3[17] : Y11_Huff_2[6]; Y11_JPEG_bits[20] <= (Y11_Huff_shift_1 >= 6) ? Y11_JPEG_LSBs_3[16] : Y11_Huff_2[5]; Y11_JPEG_bits[19] <= (Y11_Huff_shift_1 >= 5) ? Y11_JPEG_LSBs_3[15] : Y11_Huff_2[4]; Y11_JPEG_bits[18] <= (Y11_Huff_shift_1 >= 4) ? Y11_JPEG_LSBs_3[14] : Y11_Huff_2[3]; Y11_JPEG_bits[17] <= (Y11_Huff_shift_1 >= 3) ? Y11_JPEG_LSBs_3[13] : Y11_Huff_2[2]; Y11_JPEG_bits[16] <= (Y11_Huff_shift_1 >= 2) ? Y11_JPEG_LSBs_3[12] : Y11_Huff_2[1]; Y11_JPEG_bits[15] <= (Y11_Huff_shift_1 >= 1) ? Y11_JPEG_LSBs_3[11] : Y11_Huff_2[0]; Y11_JPEG_bits[14:4] <= Y11_JPEG_LSBs_3[10:0]; end else if (enable_latch_8) begin Y11_JPEG_bits <= Y12_JPEG_bits; end end always @(posedge clk) begin if (rst) begin Y12_oc_1 <= 0; Y12_JPEG_LSBs_4 <= 0; Y12_Huff_2 <= 0; Y12_Huff_shift_1 <= 0; end else if (enable_module) begin Y12_oc_1 <= (Y12_et_zero_5 & !code_15_0 & block_counter != 67) ? 0 : Y12_bits_3 + Y12_Huff_count_1; Y12_JPEG_LSBs_4 <= Y12_JPEG_LSBs_3 << Y12_Huff_shift; Y12_Huff_2 <= Y12_Huff_1; Y12_Huff_shift_1 <= Y12_Huff_shift; end end always @(posedge clk) begin if (rst) begin Y11_JPEG_LSBs_3 <= 0; Y11_Huff_2 <= 0; Y11_Huff_shift_1 <= 0; end else if (enable_6) begin Y11_JPEG_LSBs_3 <= Y11_JPEG_LSBs_2 << Y11_Huff_shift; Y11_Huff_2 <= Y11_Huff_1; Y11_Huff_shift_1 <= Y11_Huff_shift; end end always @(posedge clk) begin if (rst) begin Y12_Huff_shift <= 0; Y12_Huff_1 <= 0; Y12_JPEG_LSBs_3 <= 0; Y12_bits_3 <= 0; Y12_Huff_count_1 <= 0; Y12_et_zero_5 <= 0; code_15_0 <= 0; end else if (enable_module) begin Y12_Huff_shift <= 16 - Y12_Huff_count; Y12_Huff_1 <= Y12_Huff; Y12_JPEG_LSBs_3 <= Y12_JPEG_LSBs_2; Y12_bits_3 <= Y12_bits_2; Y12_Huff_count_1 <= Y12_Huff_count; Y12_et_zero_5 <= Y12_et_zero_4; code_15_0 <= zrl_et_15 & !end_of_block; end end always @(posedge clk) begin if (rst) begin Y11_output_count <= 0; Y11_JPEG_LSBs_2 <= 0; Y11_Huff_shift <= 0; Y11_Huff_1 <= 0; end else if (enable_5) begin Y11_output_count <= Y11_bits_1 + Y11_Huff_count; Y11_JPEG_LSBs_2 <= Y11_JPEG_LSBs_1 << Y11_amp_shift; Y11_Huff_shift <= 11 - Y11_Huff_count; Y11_Huff_1 <= Y11_Huff; end end always @(posedge clk) begin if (rst) begin Y12_JPEG_LSBs_2 <= 0; Y12_Huff <= 0; Y12_Huff_count <= 0; Y12_bits_2 <= 0; Y12_et_zero_4 <= 0; zrl_et_15 <= 0; zrl_3 <= 0; end else if (enable_module) begin Y12_JPEG_LSBs_2 <= Y12_JPEG_LSBs_1 << Y12_amp_shift; Y12_Huff <= Y_AC[Y12_code_entry]; Y12_Huff_count <= Y_AC_code_length[Y12_code_entry]; Y12_bits_2 <= Y12_bits_1; Y12_et_zero_4 <= Y12_et_zero_3; zrl_et_15 <= zrl_3 == 15; zrl_3 <= zrl_2; end end always @(posedge clk) begin if (rst) begin Y11_Huff <= 0; Y11_Huff_count <= 0; Y11_amp_shift <= 0; Y11_JPEG_LSBs_1 <= 0; Y11_bits_1 <= 0; end else if (enable_4) begin Y11_Huff[10:0] <= Y_DC[Y11_bits]; Y11_Huff_count <= Y_DC_code_length[Y11_bits]; Y11_amp_shift <= 11 - Y11_bits; Y11_JPEG_LSBs_1 <= Y11_JPEG_LSBs; Y11_bits_1 <= Y11_bits; end end always @(posedge clk) begin if (rst) begin Y12_code_entry <= 0; Y12_JPEG_LSBs_1 <= 0; Y12_amp_shift <= 0; Y12_bits_1 <= 0; Y12_et_zero_3 <= 0; zrl_2 <= 0; end else if (enable_module) begin Y12_code_entry <= Y_AC_run_code[code_index]; Y12_JPEG_LSBs_1 <= Y12_JPEG_LSBs; Y12_amp_shift <= 10 - Y12_bits; Y12_bits_1 <= Y12_bits; Y12_et_zero_3 <= Y12_et_zero_2; zrl_2 <= zrl_1; end end always @(posedge clk) begin if (rst) begin Y11_bits <= 0; Y11_JPEG_LSBs <= 0; end else if (enable_3) begin Y11_bits <= Y11_msb ? Y11_bits_neg : Y11_bits_pos; Y11_JPEG_LSBs <= Y11_amp[10:0]; // The top bit of Y11_amp is the sign bit end end always @(posedge clk) begin if (rst) begin Y12_bits <= 0; Y12_JPEG_LSBs <= 0; zrl_1 <= 0; Y12_et_zero_2 <= 0; end else if (enable_module) begin Y12_bits <= Y12_msb_1 ? Y12_bits_neg : Y12_bits_pos; Y12_JPEG_LSBs <= Y12_amp[9:0]; // The top bit of Y12_amp is the sign bit zrl_1 <= block_counter == 62 & Y12_et_zero ? 0 : zero_run_length; Y12_et_zero_2 <= Y12_et_zero_1; end end // Y11_amp is the amplitude that will be represented in bits in the // JPEG code, following the run length code always @(posedge clk) begin if (rst) begin Y11_amp <= 0; end else if (enable_2) begin Y11_amp <= Y11_msb ? Y11_1_neg : Y11_1_pos; end end always @(posedge clk) begin if (rst) zero_run_length <= 0; else if (enable) zero_run_length <= 0; else if (enable_module) zero_run_length <= Y12_et_zero ? zero_run_length + 1: 0; end always @(posedge clk) begin if (rst) begin Y12_amp <= 0; Y12_et_zero_1 <= 0; Y12_msb_1 <= 0; end else if (enable_module) begin Y12_amp <= Y12_msb ? Y12_neg : Y12_pos; Y12_et_zero_1 <= Y12_et_zero; Y12_msb_1 <= Y12_msb; end end always @(posedge clk) begin if (rst) begin Y11_1_pos <= 0; Y11_1_neg <= 0; Y11_msb <= 0; Y11_previous <= 0; end else if (enable_1) begin Y11_1_pos <= Y11_diff; Y11_1_neg <= Y11_diff - 1; Y11_msb <= Y11_diff[11]; Y11_previous <= Y11_1; end end always @(posedge clk) begin if (rst) begin Y12_pos <= 0; Y12_neg <= 0; Y12_msb <= 0; Y12_et_zero <= 0; Y13_pos <= 0; Y13_neg <= 0; Y13_msb <= 0; Y13_et_zero <= 0; Y14_pos <= 0; Y14_neg <= 0; Y14_msb <= 0; Y14_et_zero <= 0; Y15_pos <= 0; Y15_neg <= 0; Y15_msb <= 0; Y15_et_zero <= 0; Y16_pos <= 0; Y16_neg <= 0; Y16_msb <= 0; Y16_et_zero <= 0; Y17_pos <= 0; Y17_neg <= 0; Y17_msb <= 0; Y17_et_zero <= 0; Y18_pos <= 0; Y18_neg <= 0; Y18_msb <= 0; Y18_et_zero <= 0; Y21_pos <= 0; Y21_neg <= 0; Y21_msb <= 0; Y21_et_zero <= 0; Y22_pos <= 0; Y22_neg <= 0; Y22_msb <= 0; Y22_et_zero <= 0; Y23_pos <= 0; Y23_neg <= 0; Y23_msb <= 0; Y23_et_zero <= 0; Y24_pos <= 0; Y24_neg <= 0; Y24_msb <= 0; Y24_et_zero <= 0; Y25_pos <= 0; Y25_neg <= 0; Y25_msb <= 0; Y25_et_zero <= 0; Y26_pos <= 0; Y26_neg <= 0; Y26_msb <= 0; Y26_et_zero <= 0; Y27_pos <= 0; Y27_neg <= 0; Y27_msb <= 0; Y27_et_zero <= 0; Y28_pos <= 0; Y28_neg <= 0; Y28_msb <= 0; Y28_et_zero <= 0; Y31_pos <= 0; Y31_neg <= 0; Y31_msb <= 0; Y31_et_zero <= 0; Y32_pos <= 0; Y32_neg <= 0; Y32_msb <= 0; Y32_et_zero <= 0; Y33_pos <= 0; Y33_neg <= 0; Y33_msb <= 0; Y33_et_zero <= 0; Y34_pos <= 0; Y34_neg <= 0; Y34_msb <= 0; Y34_et_zero <= 0; Y35_pos <= 0; Y35_neg <= 0; Y35_msb <= 0; Y35_et_zero <= 0; Y36_pos <= 0; Y36_neg <= 0; Y36_msb <= 0; Y36_et_zero <= 0; Y37_pos <= 0; Y37_neg <= 0; Y37_msb <= 0; Y37_et_zero <= 0; Y38_pos <= 0; Y38_neg <= 0; Y38_msb <= 0; Y38_et_zero <= 0; Y41_pos <= 0; Y41_neg <= 0; Y41_msb <= 0; Y41_et_zero <= 0; Y42_pos <= 0; Y42_neg <= 0; Y42_msb <= 0; Y42_et_zero <= 0; Y43_pos <= 0; Y43_neg <= 0; Y43_msb <= 0; Y43_et_zero <= 0; Y44_pos <= 0; Y44_neg <= 0; Y44_msb <= 0; Y44_et_zero <= 0; Y45_pos <= 0; Y45_neg <= 0; Y45_msb <= 0; Y45_et_zero <= 0; Y46_pos <= 0; Y46_neg <= 0; Y46_msb <= 0; Y46_et_zero <= 0; Y47_pos <= 0; Y47_neg <= 0; Y47_msb <= 0; Y47_et_zero <= 0; Y48_pos <= 0; Y48_neg <= 0; Y48_msb <= 0; Y48_et_zero <= 0; Y51_pos <= 0; Y51_neg <= 0; Y51_msb <= 0; Y51_et_zero <= 0; Y52_pos <= 0; Y52_neg <= 0; Y52_msb <= 0; Y52_et_zero <= 0; Y53_pos <= 0; Y53_neg <= 0; Y53_msb <= 0; Y53_et_zero <= 0; Y54_pos <= 0; Y54_neg <= 0; Y54_msb <= 0; Y54_et_zero <= 0; Y55_pos <= 0; Y55_neg <= 0; Y55_msb <= 0; Y55_et_zero <= 0; Y56_pos <= 0; Y56_neg <= 0; Y56_msb <= 0; Y56_et_zero <= 0; Y57_pos <= 0; Y57_neg <= 0; Y57_msb <= 0; Y57_et_zero <= 0; Y58_pos <= 0; Y58_neg <= 0; Y58_msb <= 0; Y58_et_zero <= 0; Y61_pos <= 0; Y61_neg <= 0; Y61_msb <= 0; Y61_et_zero <= 0; Y62_pos <= 0; Y62_neg <= 0; Y62_msb <= 0; Y62_et_zero <= 0; Y63_pos <= 0; Y63_neg <= 0; Y63_msb <= 0; Y63_et_zero <= 0; Y64_pos <= 0; Y64_neg <= 0; Y64_msb <= 0; Y64_et_zero <= 0; Y65_pos <= 0; Y65_neg <= 0; Y65_msb <= 0; Y65_et_zero <= 0; Y66_pos <= 0; Y66_neg <= 0; Y66_msb <= 0; Y66_et_zero <= 0; Y67_pos <= 0; Y67_neg <= 0; Y67_msb <= 0; Y67_et_zero <= 0; Y68_pos <= 0; Y68_neg <= 0; Y68_msb <= 0; Y68_et_zero <= 0; Y71_pos <= 0; Y71_neg <= 0; Y71_msb <= 0; Y71_et_zero <= 0; Y72_pos <= 0; Y72_neg <= 0; Y72_msb <= 0; Y72_et_zero <= 0; Y73_pos <= 0; Y73_neg <= 0; Y73_msb <= 0; Y73_et_zero <= 0; Y74_pos <= 0; Y74_neg <= 0; Y74_msb <= 0; Y74_et_zero <= 0; Y75_pos <= 0; Y75_neg <= 0; Y75_msb <= 0; Y75_et_zero <= 0; Y76_pos <= 0; Y76_neg <= 0; Y76_msb <= 0; Y76_et_zero <= 0; Y77_pos <= 0; Y77_neg <= 0; Y77_msb <= 0; Y77_et_zero <= 0; Y78_pos <= 0; Y78_neg <= 0; Y78_msb <= 0; Y78_et_zero <= 0; Y81_pos <= 0; Y81_neg <= 0; Y81_msb <= 0; Y81_et_zero <= 0; Y82_pos <= 0; Y82_neg <= 0; Y82_msb <= 0; Y82_et_zero <= 0; Y83_pos <= 0; Y83_neg <= 0; Y83_msb <= 0; Y83_et_zero <= 0; Y84_pos <= 0; Y84_neg <= 0; Y84_msb <= 0; Y84_et_zero <= 0; Y85_pos <= 0; Y85_neg <= 0; Y85_msb <= 0; Y85_et_zero <= 0; Y86_pos <= 0; Y86_neg <= 0; Y86_msb <= 0; Y86_et_zero <= 0; Y87_pos <= 0; Y87_neg <= 0; Y87_msb <= 0; Y87_et_zero <= 0; Y88_pos <= 0; Y88_neg <= 0; Y88_msb <= 0; Y88_et_zero <= 0; end else if (enable) begin Y12_pos <= Y12; Y12_neg <= Y12 - 1; Y12_msb <= Y12[10]; Y12_et_zero <= !(|Y12); Y13_pos <= Y13; Y13_neg <= Y13 - 1; Y13_msb <= Y13[10]; Y13_et_zero <= !(|Y13); Y14_pos <= Y14; Y14_neg <= Y14 - 1; Y14_msb <= Y14[10]; Y14_et_zero <= !(|Y14); Y15_pos <= Y15; Y15_neg <= Y15 - 1; Y15_msb <= Y15[10]; Y15_et_zero <= !(|Y15); Y16_pos <= Y16; Y16_neg <= Y16 - 1; Y16_msb <= Y16[10]; Y16_et_zero <= !(|Y16); Y17_pos <= Y17; Y17_neg <= Y17 - 1; Y17_msb <= Y17[10]; Y17_et_zero <= !(|Y17); Y18_pos <= Y18; Y18_neg <= Y18 - 1; Y18_msb <= Y18[10]; Y18_et_zero <= !(|Y18); Y21_pos <= Y21; Y21_neg <= Y21 - 1; Y21_msb <= Y21[10]; Y21_et_zero <= !(|Y21); Y22_pos <= Y22; Y22_neg <= Y22 - 1; Y22_msb <= Y22[10]; Y22_et_zero <= !(|Y22); Y23_pos <= Y23; Y23_neg <= Y23 - 1; Y23_msb <= Y23[10]; Y23_et_zero <= !(|Y23); Y24_pos <= Y24; Y24_neg <= Y24 - 1; Y24_msb <= Y24[10]; Y24_et_zero <= !(|Y24); Y25_pos <= Y25; Y25_neg <= Y25 - 1; Y25_msb <= Y25[10]; Y25_et_zero <= !(|Y25); Y26_pos <= Y26; Y26_neg <= Y26 - 1; Y26_msb <= Y26[10]; Y26_et_zero <= !(|Y26); Y27_pos <= Y27; Y27_neg <= Y27 - 1; Y27_msb <= Y27[10]; Y27_et_zero <= !(|Y27); Y28_pos <= Y28; Y28_neg <= Y28 - 1; Y28_msb <= Y28[10]; Y28_et_zero <= !(|Y28); Y31_pos <= Y31; Y31_neg <= Y31 - 1; Y31_msb <= Y31[10]; Y31_et_zero <= !(|Y31); Y32_pos <= Y32; Y32_neg <= Y32 - 1; Y32_msb <= Y32[10]; Y32_et_zero <= !(|Y32); Y33_pos <= Y33; Y33_neg <= Y33 - 1; Y33_msb <= Y33[10]; Y33_et_zero <= !(|Y33); Y34_pos <= Y34; Y34_neg <= Y34 - 1; Y34_msb <= Y34[10]; Y34_et_zero <= !(|Y34); Y35_pos <= Y35; Y35_neg <= Y35 - 1; Y35_msb <= Y35[10]; Y35_et_zero <= !(|Y35); Y36_pos <= Y36; Y36_neg <= Y36 - 1; Y36_msb <= Y36[10]; Y36_et_zero <= !(|Y36); Y37_pos <= Y37; Y37_neg <= Y37 - 1; Y37_msb <= Y37[10]; Y37_et_zero <= !(|Y37); Y38_pos <= Y38; Y38_neg <= Y38 - 1; Y38_msb <= Y38[10]; Y38_et_zero <= !(|Y38); Y41_pos <= Y41; Y41_neg <= Y41 - 1; Y41_msb <= Y41[10]; Y41_et_zero <= !(|Y41); Y42_pos <= Y42; Y42_neg <= Y42 - 1; Y42_msb <= Y42[10]; Y42_et_zero <= !(|Y42); Y43_pos <= Y43; Y43_neg <= Y43 - 1; Y43_msb <= Y43[10]; Y43_et_zero <= !(|Y43); Y44_pos <= Y44; Y44_neg <= Y44 - 1; Y44_msb <= Y44[10]; Y44_et_zero <= !(|Y44); Y45_pos <= Y45; Y45_neg <= Y45 - 1; Y45_msb <= Y45[10]; Y45_et_zero <= !(|Y45); Y46_pos <= Y46; Y46_neg <= Y46 - 1; Y46_msb <= Y46[10]; Y46_et_zero <= !(|Y46); Y47_pos <= Y47; Y47_neg <= Y47 - 1; Y47_msb <= Y47[10]; Y47_et_zero <= !(|Y47); Y48_pos <= Y48; Y48_neg <= Y48 - 1; Y48_msb <= Y48[10]; Y48_et_zero <= !(|Y48); Y51_pos <= Y51; Y51_neg <= Y51 - 1; Y51_msb <= Y51[10]; Y51_et_zero <= !(|Y51); Y52_pos <= Y52; Y52_neg <= Y52 - 1; Y52_msb <= Y52[10]; Y52_et_zero <= !(|Y52); Y53_pos <= Y53; Y53_neg <= Y53 - 1; Y53_msb <= Y53[10]; Y53_et_zero <= !(|Y53); Y54_pos <= Y54; Y54_neg <= Y54 - 1; Y54_msb <= Y54[10]; Y54_et_zero <= !(|Y54); Y55_pos <= Y55; Y55_neg <= Y55 - 1; Y55_msb <= Y55[10]; Y55_et_zero <= !(|Y55); Y56_pos <= Y56; Y56_neg <= Y56 - 1; Y56_msb <= Y56[10]; Y56_et_zero <= !(|Y56); Y57_pos <= Y57; Y57_neg <= Y57 - 1; Y57_msb <= Y57[10]; Y57_et_zero <= !(|Y57); Y58_pos <= Y58; Y58_neg <= Y58 - 1; Y58_msb <= Y58[10]; Y58_et_zero <= !(|Y58); Y61_pos <= Y61; Y61_neg <= Y61 - 1; Y61_msb <= Y61[10]; Y61_et_zero <= !(|Y61); Y62_pos <= Y62; Y62_neg <= Y62 - 1; Y62_msb <= Y62[10]; Y62_et_zero <= !(|Y62); Y63_pos <= Y63; Y63_neg <= Y63 - 1; Y63_msb <= Y63[10]; Y63_et_zero <= !(|Y63); Y64_pos <= Y64; Y64_neg <= Y64 - 1; Y64_msb <= Y64[10]; Y64_et_zero <= !(|Y64); Y65_pos <= Y65; Y65_neg <= Y65 - 1; Y65_msb <= Y65[10]; Y65_et_zero <= !(|Y65); Y66_pos <= Y66; Y66_neg <= Y66 - 1; Y66_msb <= Y66[10]; Y66_et_zero <= !(|Y66); Y67_pos <= Y67; Y67_neg <= Y67 - 1; Y67_msb <= Y67[10]; Y67_et_zero <= !(|Y67); Y68_pos <= Y68; Y68_neg <= Y68 - 1; Y68_msb <= Y68[10]; Y68_et_zero <= !(|Y68); Y71_pos <= Y71; Y71_neg <= Y71 - 1; Y71_msb <= Y71[10]; Y71_et_zero <= !(|Y71); Y72_pos <= Y72; Y72_neg <= Y72 - 1; Y72_msb <= Y72[10]; Y72_et_zero <= !(|Y72); Y73_pos <= Y73; Y73_neg <= Y73 - 1; Y73_msb <= Y73[10]; Y73_et_zero <= !(|Y73); Y74_pos <= Y74; Y74_neg <= Y74 - 1; Y74_msb <= Y74[10]; Y74_et_zero <= !(|Y74); Y75_pos <= Y75; Y75_neg <= Y75 - 1; Y75_msb <= Y75[10]; Y75_et_zero <= !(|Y75); Y76_pos <= Y76; Y76_neg <= Y76 - 1; Y76_msb <= Y76[10]; Y76_et_zero <= !(|Y76); Y77_pos <= Y77; Y77_neg <= Y77 - 1; Y77_msb <= Y77[10]; Y77_et_zero <= !(|Y77); Y78_pos <= Y78; Y78_neg <= Y78 - 1; Y78_msb <= Y78[10]; Y78_et_zero <= !(|Y78); Y81_pos <= Y81; Y81_neg <= Y81 - 1; Y81_msb <= Y81[10]; Y81_et_zero <= !(|Y81); Y82_pos <= Y82; Y82_neg <= Y82 - 1; Y82_msb <= Y82[10]; Y82_et_zero <= !(|Y82); Y83_pos <= Y83; Y83_neg <= Y83 - 1; Y83_msb <= Y83[10]; Y83_et_zero <= !(|Y83); Y84_pos <= Y84; Y84_neg <= Y84 - 1; Y84_msb <= Y84[10]; Y84_et_zero <= !(|Y84); Y85_pos <= Y85; Y85_neg <= Y85 - 1; Y85_msb <= Y85[10]; Y85_et_zero <= !(|Y85); Y86_pos <= Y86; Y86_neg <= Y86 - 1; Y86_msb <= Y86[10]; Y86_et_zero <= !(|Y86); Y87_pos <= Y87; Y87_neg <= Y87 - 1; Y87_msb <= Y87[10]; Y87_et_zero <= !(|Y87); Y88_pos <= Y88; Y88_neg <= Y88 - 1; Y88_msb <= Y88[10]; Y88_et_zero <= !(|Y88); end else if (enable_module) begin Y12_pos <= Y21_pos; Y12_neg <= Y21_neg; Y12_msb <= Y21_msb; Y12_et_zero <= Y21_et_zero; Y21_pos <= Y31_pos; Y21_neg <= Y31_neg; Y21_msb <= Y31_msb; Y21_et_zero <= Y31_et_zero; Y31_pos <= Y22_pos; Y31_neg <= Y22_neg; Y31_msb <= Y22_msb; Y31_et_zero <= Y22_et_zero; Y22_pos <= Y13_pos; Y22_neg <= Y13_neg; Y22_msb <= Y13_msb; Y22_et_zero <= Y13_et_zero; Y13_pos <= Y14_pos; Y13_neg <= Y14_neg; Y13_msb <= Y14_msb; Y13_et_zero <= Y14_et_zero; Y14_pos <= Y23_pos; Y14_neg <= Y23_neg; Y14_msb <= Y23_msb; Y14_et_zero <= Y23_et_zero; Y23_pos <= Y32_pos; Y23_neg <= Y32_neg; Y23_msb <= Y32_msb; Y23_et_zero <= Y32_et_zero; Y32_pos <= Y41_pos; Y32_neg <= Y41_neg; Y32_msb <= Y41_msb; Y32_et_zero <= Y41_et_zero; Y41_pos <= Y51_pos; Y41_neg <= Y51_neg; Y41_msb <= Y51_msb; Y41_et_zero <= Y51_et_zero; Y51_pos <= Y42_pos; Y51_neg <= Y42_neg; Y51_msb <= Y42_msb; Y51_et_zero <= Y42_et_zero; Y42_pos <= Y33_pos; Y42_neg <= Y33_neg; Y42_msb <= Y33_msb; Y42_et_zero <= Y33_et_zero; Y33_pos <= Y24_pos; Y33_neg <= Y24_neg; Y33_msb <= Y24_msb; Y33_et_zero <= Y24_et_zero; Y24_pos <= Y15_pos; Y24_neg <= Y15_neg; Y24_msb <= Y15_msb; Y24_et_zero <= Y15_et_zero; Y15_pos <= Y16_pos; Y15_neg <= Y16_neg; Y15_msb <= Y16_msb; Y15_et_zero <= Y16_et_zero; Y16_pos <= Y25_pos; Y16_neg <= Y25_neg; Y16_msb <= Y25_msb; Y16_et_zero <= Y25_et_zero; Y25_pos <= Y34_pos; Y25_neg <= Y34_neg; Y25_msb <= Y34_msb; Y25_et_zero <= Y34_et_zero; Y34_pos <= Y43_pos; Y34_neg <= Y43_neg; Y34_msb <= Y43_msb; Y34_et_zero <= Y43_et_zero; Y43_pos <= Y52_pos; Y43_neg <= Y52_neg; Y43_msb <= Y52_msb; Y43_et_zero <= Y52_et_zero; Y52_pos <= Y61_pos; Y52_neg <= Y61_neg; Y52_msb <= Y61_msb; Y52_et_zero <= Y61_et_zero; Y61_pos <= Y71_pos; Y61_neg <= Y71_neg; Y61_msb <= Y71_msb; Y61_et_zero <= Y71_et_zero; Y71_pos <= Y62_pos; Y71_neg <= Y62_neg; Y71_msb <= Y62_msb; Y71_et_zero <= Y62_et_zero; Y62_pos <= Y53_pos; Y62_neg <= Y53_neg; Y62_msb <= Y53_msb; Y62_et_zero <= Y53_et_zero; Y53_pos <= Y44_pos; Y53_neg <= Y44_neg; Y53_msb <= Y44_msb; Y53_et_zero <= Y44_et_zero; Y44_pos <= Y35_pos; Y44_neg <= Y35_neg; Y44_msb <= Y35_msb; Y44_et_zero <= Y35_et_zero; Y35_pos <= Y26_pos; Y35_neg <= Y26_neg; Y35_msb <= Y26_msb; Y35_et_zero <= Y26_et_zero; Y26_pos <= Y17_pos; Y26_neg <= Y17_neg; Y26_msb <= Y17_msb; Y26_et_zero <= Y17_et_zero; Y17_pos <= Y18_pos; Y17_neg <= Y18_neg; Y17_msb <= Y18_msb; Y17_et_zero <= Y18_et_zero; Y18_pos <= Y27_pos; Y18_neg <= Y27_neg; Y18_msb <= Y27_msb; Y18_et_zero <= Y27_et_zero; Y27_pos <= Y36_pos; Y27_neg <= Y36_neg; Y27_msb <= Y36_msb; Y27_et_zero <= Y36_et_zero; Y36_pos <= Y45_pos; Y36_neg <= Y45_neg; Y36_msb <= Y45_msb; Y36_et_zero <= Y45_et_zero; Y45_pos <= Y54_pos; Y45_neg <= Y54_neg; Y45_msb <= Y54_msb; Y45_et_zero <= Y54_et_zero; Y54_pos <= Y63_pos; Y54_neg <= Y63_neg; Y54_msb <= Y63_msb; Y54_et_zero <= Y63_et_zero; Y63_pos <= Y72_pos; Y63_neg <= Y72_neg; Y63_msb <= Y72_msb; Y63_et_zero <= Y72_et_zero; Y72_pos <= Y81_pos; Y72_neg <= Y81_neg; Y72_msb <= Y81_msb; Y72_et_zero <= Y81_et_zero; Y81_pos <= Y82_pos; Y81_neg <= Y82_neg; Y81_msb <= Y82_msb; Y81_et_zero <= Y82_et_zero; Y82_pos <= Y73_pos; Y82_neg <= Y73_neg; Y82_msb <= Y73_msb; Y82_et_zero <= Y73_et_zero; Y73_pos <= Y64_pos; Y73_neg <= Y64_neg; Y73_msb <= Y64_msb; Y73_et_zero <= Y64_et_zero; Y64_pos <= Y55_pos; Y64_neg <= Y55_neg; Y64_msb <= Y55_msb; Y64_et_zero <= Y55_et_zero; Y55_pos <= Y46_pos; Y55_neg <= Y46_neg; Y55_msb <= Y46_msb; Y55_et_zero <= Y46_et_zero; Y46_pos <= Y37_pos; Y46_neg <= Y37_neg; Y46_msb <= Y37_msb; Y46_et_zero <= Y37_et_zero; Y37_pos <= Y28_pos; Y37_neg <= Y28_neg; Y37_msb <= Y28_msb; Y37_et_zero <= Y28_et_zero; Y28_pos <= Y38_pos; Y28_neg <= Y38_neg; Y28_msb <= Y38_msb; Y28_et_zero <= Y38_et_zero; Y38_pos <= Y47_pos; Y38_neg <= Y47_neg; Y38_msb <= Y47_msb; Y38_et_zero <= Y47_et_zero; Y47_pos <= Y56_pos; Y47_neg <= Y56_neg; Y47_msb <= Y56_msb; Y47_et_zero <= Y56_et_zero; Y56_pos <= Y65_pos; Y56_neg <= Y65_neg; Y56_msb <= Y65_msb; Y56_et_zero <= Y65_et_zero; Y65_pos <= Y74_pos; Y65_neg <= Y74_neg; Y65_msb <= Y74_msb; Y65_et_zero <= Y74_et_zero; Y74_pos <= Y83_pos; Y74_neg <= Y83_neg; Y74_msb <= Y83_msb; Y74_et_zero <= Y83_et_zero; Y83_pos <= Y84_pos; Y83_neg <= Y84_neg; Y83_msb <= Y84_msb; Y83_et_zero <= Y84_et_zero; Y84_pos <= Y75_pos; Y84_neg <= Y75_neg; Y84_msb <= Y75_msb; Y84_et_zero <= Y75_et_zero; Y75_pos <= Y66_pos; Y75_neg <= Y66_neg; Y75_msb <= Y66_msb; Y75_et_zero <= Y66_et_zero; Y66_pos <= Y57_pos; Y66_neg <= Y57_neg; Y66_msb <= Y57_msb; Y66_et_zero <= Y57_et_zero; Y57_pos <= Y48_pos; Y57_neg <= Y48_neg; Y57_msb <= Y48_msb; Y57_et_zero <= Y48_et_zero; Y48_pos <= Y58_pos; Y48_neg <= Y58_neg; Y48_msb <= Y58_msb; Y48_et_zero <= Y58_et_zero; Y58_pos <= Y67_pos; Y58_neg <= Y67_neg; Y58_msb <= Y67_msb; Y58_et_zero <= Y67_et_zero; Y67_pos <= Y76_pos; Y67_neg <= Y76_neg; Y67_msb <= Y76_msb; Y67_et_zero <= Y76_et_zero; Y76_pos <= Y85_pos; Y76_neg <= Y85_neg; Y76_msb <= Y85_msb; Y76_et_zero <= Y85_et_zero; Y85_pos <= Y86_pos; Y85_neg <= Y86_neg; Y85_msb <= Y86_msb; Y85_et_zero <= Y86_et_zero; Y86_pos <= Y77_pos; Y86_neg <= Y77_neg; Y86_msb <= Y77_msb; Y86_et_zero <= Y77_et_zero; Y77_pos <= Y68_pos; Y77_neg <= Y68_neg; Y77_msb <= Y68_msb; Y77_et_zero <= Y68_et_zero; Y68_pos <= Y78_pos; Y68_neg <= Y78_neg; Y68_msb <= Y78_msb; Y68_et_zero <= Y78_et_zero; Y78_pos <= Y87_pos; Y78_neg <= Y87_neg; Y78_msb <= Y87_msb; Y78_et_zero <= Y87_et_zero; Y87_pos <= Y88_pos; Y87_neg <= Y88_neg; Y87_msb <= Y88_msb; Y87_et_zero <= Y88_et_zero; Y88_pos <= 0; Y88_neg <= 0; Y88_msb <= 0; Y88_et_zero <= 1; end end always @(posedge clk) begin if (rst) begin Y11_diff <= 0; Y11_1 <= 0; end else if (enable) begin // Need to sign extend Y11 to 12 bits Y11_diff <= {Y11[10], Y11} - Y11_previous; Y11_1 <= Y11[10] ? { 1'b1, Y11 } : { 1'b0, Y11 }; end end always @(posedge clk) begin if (rst) Y11_bits_pos <= 0; else if (Y11_1_pos[10] == 1) Y11_bits_pos <= 11; else if (Y11_1_pos[9] == 1) Y11_bits_pos <= 10; else if (Y11_1_pos[8] == 1) Y11_bits_pos <= 9; else if (Y11_1_pos[7] == 1) Y11_bits_pos <= 8; else if (Y11_1_pos[6] == 1) Y11_bits_pos <= 7; else if (Y11_1_pos[5] == 1) Y11_bits_pos <= 6; else if (Y11_1_pos[4] == 1) Y11_bits_pos <= 5; else if (Y11_1_pos[3] == 1) Y11_bits_pos <= 4; else if (Y11_1_pos[2] == 1) Y11_bits_pos <= 3; else if (Y11_1_pos[1] == 1) Y11_bits_pos <= 2; else if (Y11_1_pos[0] == 1) Y11_bits_pos <= 1; else Y11_bits_pos <= 0; end always @(posedge clk) begin if (rst) Y11_bits_neg <= 0; else if (Y11_1_neg[10] == 0) Y11_bits_neg <= 11; else if (Y11_1_neg[9] == 0) Y11_bits_neg <= 10; else if (Y11_1_neg[8] == 0) Y11_bits_neg <= 9; else if (Y11_1_neg[7] == 0) Y11_bits_neg <= 8; else if (Y11_1_neg[6] == 0) Y11_bits_neg <= 7; else if (Y11_1_neg[5] == 0) Y11_bits_neg <= 6; else if (Y11_1_neg[4] == 0) Y11_bits_neg <= 5; else if (Y11_1_neg[3] == 0) Y11_bits_neg <= 4; else if (Y11_1_neg[2] == 0) Y11_bits_neg <= 3; else if (Y11_1_neg[1] == 0) Y11_bits_neg <= 2; else if (Y11_1_neg[0] == 0) Y11_bits_neg <= 1; else Y11_bits_neg <= 0; end always @(posedge clk) begin if (rst) Y12_bits_pos <= 0; else if (Y12_pos[9] == 1) Y12_bits_pos <= 10; else if (Y12_pos[8] == 1) Y12_bits_pos <= 9; else if (Y12_pos[7] == 1) Y12_bits_pos <= 8; else if (Y12_pos[6] == 1) Y12_bits_pos <= 7; else if (Y12_pos[5] == 1) Y12_bits_pos <= 6; else if (Y12_pos[4] == 1) Y12_bits_pos <= 5; else if (Y12_pos[3] == 1) Y12_bits_pos <= 4; else if (Y12_pos[2] == 1) Y12_bits_pos <= 3; else if (Y12_pos[1] == 1) Y12_bits_pos <= 2; else if (Y12_pos[0] == 1) Y12_bits_pos <= 1; else Y12_bits_pos <= 0; end always @(posedge clk) begin if (rst) Y12_bits_neg <= 0; else if (Y12_neg[9] == 0) Y12_bits_neg <= 10; else if (Y12_neg[8] == 0) Y12_bits_neg <= 9; else if (Y12_neg[7] == 0) Y12_bits_neg <= 8; else if (Y12_neg[6] == 0) Y12_bits_neg <= 7; else if (Y12_neg[5] == 0) Y12_bits_neg <= 6; else if (Y12_neg[4] == 0) Y12_bits_neg <= 5; else if (Y12_neg[3] == 0) Y12_bits_neg <= 4; else if (Y12_neg[2] == 0) Y12_bits_neg <= 3; else if (Y12_neg[1] == 0) Y12_bits_neg <= 2; else if (Y12_neg[0] == 0) Y12_bits_neg <= 1; else Y12_bits_neg <= 0; end always @(posedge clk) begin if (rst) begin enable_module <= 0; end else if (enable) begin enable_module <= 1; end end always @(posedge clk) begin if (rst) begin enable_latch_7 <= 0; end else if (block_counter == 68) begin enable_latch_7 <= 0; end else if (enable_6) begin enable_latch_7 <= 1; end end always @(posedge clk) begin if (rst) begin enable_latch_8 <= 0; end else if (enable_7) begin enable_latch_8 <= 1; end end always @(posedge clk) begin if (rst) begin enable_1 <= 0; enable_2 <= 0; enable_3 <= 0; enable_4 <= 0; enable_5 <= 0; enable_6 <= 0; enable_7 <= 0; enable_8 <= 0; enable_9 <= 0; enable_10 <= 0; enable_11 <= 0; enable_12 <= 0; enable_13 <= 0; end else begin enable_1 <= enable; enable_2 <= enable_1; enable_3 <= enable_2; enable_4 <= enable_3; enable_5 <= enable_4; enable_6 <= enable_5; enable_7 <= enable_6; enable_8 <= enable_7; enable_9 <= enable_8; enable_10 <= enable_9; enable_11 <= enable_10; enable_12 <= enable_11; enable_13 <= enable_12; end end /* These Y DC and AC code lengths, run lengths, and bit codes were created from the Huffman table entries in the JPEG file header. For different Huffman tables for different images, these values below will need to be changed. I created a matlab file to automatically create these entries from the already encoded JPEG image. This matlab program won't be any help if you're starting from scratch with a .tif or other raw image file format. The values below come from a Huffman table, they do not actually create the Huffman table based on the probabilities of each code created from the image data. You will need another program to create the optimal Huffman table, or you can go with a generic Huffman table, which will have slightly less than the best compression.*/ always @(posedge clk) begin Y_DC_code_length[0] <= 2; Y_DC_code_length[1] <= 2; Y_DC_code_length[2] <= 2; Y_DC_code_length[3] <= 3; Y_DC_code_length[4] <= 4; Y_DC_code_length[5] <= 5; Y_DC_code_length[6] <= 6; Y_DC_code_length[7] <= 7; Y_DC_code_length[8] <= 8; Y_DC_code_length[9] <= 9; Y_DC_code_length[10] <= 10; Y_DC_code_length[11] <= 11; Y_DC[0] <= 11'b00000000000; Y_DC[1] <= 11'b01000000000; Y_DC[2] <= 11'b10000000000; Y_DC[3] <= 11'b11000000000; Y_DC[4] <= 11'b11100000000; Y_DC[5] <= 11'b11110000000; Y_DC[6] <= 11'b11111000000; Y_DC[7] <= 11'b11111100000; Y_DC[8] <= 11'b11111110000; Y_DC[9] <= 11'b11111111000; Y_DC[10] <= 11'b11111111100; Y_DC[11] <= 11'b11111111110; Y_AC_code_length[0] <= 2; Y_AC_code_length[1] <= 2; Y_AC_code_length[2] <= 3; Y_AC_code_length[3] <= 4; Y_AC_code_length[4] <= 4; Y_AC_code_length[5] <= 4; Y_AC_code_length[6] <= 5; Y_AC_code_length[7] <= 5; Y_AC_code_length[8] <= 5; Y_AC_code_length[9] <= 6; Y_AC_code_length[10] <= 6; Y_AC_code_length[11] <= 7; Y_AC_code_length[12] <= 7; Y_AC_code_length[13] <= 7; Y_AC_code_length[14] <= 7; Y_AC_code_length[15] <= 8; Y_AC_code_length[16] <= 8; Y_AC_code_length[17] <= 8; Y_AC_code_length[18] <= 9; Y_AC_code_length[19] <= 9; Y_AC_code_length[20] <= 9; Y_AC_code_length[21] <= 9; Y_AC_code_length[22] <= 9; Y_AC_code_length[23] <= 10; Y_AC_code_length[24] <= 10; Y_AC_code_length[25] <= 10; Y_AC_code_length[26] <= 10; Y_AC_code_length[27] <= 10; Y_AC_code_length[28] <= 11; Y_AC_code_length[29] <= 11; Y_AC_code_length[30] <= 11; Y_AC_code_length[31] <= 11; Y_AC_code_length[32] <= 12; Y_AC_code_length[33] <= 12; Y_AC_code_length[34] <= 12; Y_AC_code_length[35] <= 12; Y_AC_code_length[36] <= 15; Y_AC_code_length[37] <= 16; Y_AC_code_length[38] <= 16; Y_AC_code_length[39] <= 16; Y_AC_code_length[40] <= 16; Y_AC_code_length[41] <= 16; Y_AC_code_length[42] <= 16; Y_AC_code_length[43] <= 16; Y_AC_code_length[44] <= 16; Y_AC_code_length[45] <= 16; Y_AC_code_length[46] <= 16; Y_AC_code_length[47] <= 16; Y_AC_code_length[48] <= 16; Y_AC_code_length[49] <= 16; Y_AC_code_length[50] <= 16; Y_AC_code_length[51] <= 16; Y_AC_code_length[52] <= 16; Y_AC_code_length[53] <= 16; Y_AC_code_length[54] <= 16; Y_AC_code_length[55] <= 16; Y_AC_code_length[56] <= 16; Y_AC_code_length[57] <= 16; Y_AC_code_length[58] <= 16; Y_AC_code_length[59] <= 16; Y_AC_code_length[60] <= 16; Y_AC_code_length[61] <= 16; Y_AC_code_length[62] <= 16; Y_AC_code_length[63] <= 16; Y_AC_code_length[64] <= 16; Y_AC_code_length[65] <= 16; Y_AC_code_length[66] <= 16; Y_AC_code_length[67] <= 16; Y_AC_code_length[68] <= 16; Y_AC_code_length[69] <= 16; Y_AC_code_length[70] <= 16; Y_AC_code_length[71] <= 16; Y_AC_code_length[72] <= 16; Y_AC_code_length[73] <= 16; Y_AC_code_length[74] <= 16; Y_AC_code_length[75] <= 16; Y_AC_code_length[76] <= 16; Y_AC_code_length[77] <= 16; Y_AC_code_length[78] <= 16; Y_AC_code_length[79] <= 16; Y_AC_code_length[80] <= 16; Y_AC_code_length[81] <= 16; Y_AC_code_length[82] <= 16; Y_AC_code_length[83] <= 16; Y_AC_code_length[84] <= 16; Y_AC_code_length[85] <= 16; Y_AC_code_length[86] <= 16; Y_AC_code_length[87] <= 16; Y_AC_code_length[88] <= 16; Y_AC_code_length[89] <= 16; Y_AC_code_length[90] <= 16; Y_AC_code_length[91] <= 16; Y_AC_code_length[92] <= 16; Y_AC_code_length[93] <= 16; Y_AC_code_length[94] <= 16; Y_AC_code_length[95] <= 16; Y_AC_code_length[96] <= 16; Y_AC_code_length[97] <= 16; Y_AC_code_length[98] <= 16; Y_AC_code_length[99] <= 16; Y_AC_code_length[100] <= 16; Y_AC_code_length[101] <= 16; Y_AC_code_length[102] <= 16; Y_AC_code_length[103] <= 16; Y_AC_code_length[104] <= 16; Y_AC_code_length[105] <= 16; Y_AC_code_length[106] <= 16; Y_AC_code_length[107] <= 16; Y_AC_code_length[108] <= 16; Y_AC_code_length[109] <= 16; Y_AC_code_length[110] <= 16; Y_AC_code_length[111] <= 16; Y_AC_code_length[112] <= 16; Y_AC_code_length[113] <= 16; Y_AC_code_length[114] <= 16; Y_AC_code_length[115] <= 16; Y_AC_code_length[116] <= 16; Y_AC_code_length[117] <= 16; Y_AC_code_length[118] <= 16; Y_AC_code_length[119] <= 16; Y_AC_code_length[120] <= 16; Y_AC_code_length[121] <= 16; Y_AC_code_length[122] <= 16; Y_AC_code_length[123] <= 16; Y_AC_code_length[124] <= 16; Y_AC_code_length[125] <= 16; Y_AC_code_length[126] <= 16; Y_AC_code_length[127] <= 16; Y_AC_code_length[128] <= 16; Y_AC_code_length[129] <= 16; Y_AC_code_length[130] <= 16; Y_AC_code_length[131] <= 16; Y_AC_code_length[132] <= 16; Y_AC_code_length[133] <= 16; Y_AC_code_length[134] <= 16; Y_AC_code_length[135] <= 16; Y_AC_code_length[136] <= 16; Y_AC_code_length[137] <= 16; Y_AC_code_length[138] <= 16; Y_AC_code_length[139] <= 16; Y_AC_code_length[140] <= 16; Y_AC_code_length[141] <= 16; Y_AC_code_length[142] <= 16; Y_AC_code_length[143] <= 16; Y_AC_code_length[144] <= 16; Y_AC_code_length[145] <= 16; Y_AC_code_length[146] <= 16; Y_AC_code_length[147] <= 16; Y_AC_code_length[148] <= 16; Y_AC_code_length[149] <= 16; Y_AC_code_length[150] <= 16; Y_AC_code_length[151] <= 16; Y_AC_code_length[152] <= 16; Y_AC_code_length[153] <= 16; Y_AC_code_length[154] <= 16; Y_AC_code_length[155] <= 16; Y_AC_code_length[156] <= 16; Y_AC_code_length[157] <= 16; Y_AC_code_length[158] <= 16; Y_AC_code_length[159] <= 16; Y_AC_code_length[160] <= 16; Y_AC_code_length[161] <= 16; Y_AC[0] <= 16'b0000000000000000; Y_AC[1] <= 16'b0100000000000000; Y_AC[2] <= 16'b1000000000000000; Y_AC[3] <= 16'b1010000000000000; Y_AC[4] <= 16'b1011000000000000; Y_AC[5] <= 16'b1100000000000000; Y_AC[6] <= 16'b1101000000000000; Y_AC[7] <= 16'b1101100000000000; Y_AC[8] <= 16'b1110000000000000; Y_AC[9] <= 16'b1110100000000000; Y_AC[10] <= 16'b1110110000000000; Y_AC[11] <= 16'b1111000000000000; Y_AC[12] <= 16'b1111001000000000; Y_AC[13] <= 16'b1111010000000000; Y_AC[14] <= 16'b1111011000000000; Y_AC[15] <= 16'b1111100000000000; Y_AC[16] <= 16'b1111100100000000; Y_AC[17] <= 16'b1111101000000000; Y_AC[18] <= 16'b1111101100000000; Y_AC[19] <= 16'b1111101110000000; Y_AC[20] <= 16'b1111110000000000; Y_AC[21] <= 16'b1111110010000000; Y_AC[22] <= 16'b1111110100000000; Y_AC[23] <= 16'b1111110110000000; Y_AC[24] <= 16'b1111110111000000; Y_AC[25] <= 16'b1111111000000000; Y_AC[26] <= 16'b1111111001000000; Y_AC[27] <= 16'b1111111010000000; Y_AC[28] <= 16'b1111111011000000; Y_AC[29] <= 16'b1111111011100000; Y_AC[30] <= 16'b1111111100000000; Y_AC[31] <= 16'b1111111100100000; Y_AC[32] <= 16'b1111111101000000; Y_AC[33] <= 16'b1111111101010000; Y_AC[34] <= 16'b1111111101100000; Y_AC[35] <= 16'b1111111101110000; Y_AC[36] <= 16'b1111111110000000; Y_AC[37] <= 16'b1111111110000010; Y_AC[38] <= 16'b1111111110000011; Y_AC[39] <= 16'b1111111110000100; Y_AC[40] <= 16'b1111111110000101; Y_AC[41] <= 16'b1111111110000110; Y_AC[42] <= 16'b1111111110000111; Y_AC[43] <= 16'b1111111110001000; Y_AC[44] <= 16'b1111111110001001; Y_AC[45] <= 16'b1111111110001010; Y_AC[46] <= 16'b1111111110001011; Y_AC[47] <= 16'b1111111110001100; Y_AC[48] <= 16'b1111111110001101; Y_AC[49] <= 16'b1111111110001110; Y_AC[50] <= 16'b1111111110001111; Y_AC[51] <= 16'b1111111110010000; Y_AC[52] <= 16'b1111111110010001; Y_AC[53] <= 16'b1111111110010010; Y_AC[54] <= 16'b1111111110010011; Y_AC[55] <= 16'b1111111110010100; Y_AC[56] <= 16'b1111111110010101; Y_AC[57] <= 16'b1111111110010110; Y_AC[58] <= 16'b1111111110010111; Y_AC[59] <= 16'b1111111110011000; Y_AC[60] <= 16'b1111111110011001; Y_AC[61] <= 16'b1111111110011010; Y_AC[62] <= 16'b1111111110011011; Y_AC[63] <= 16'b1111111110011100; Y_AC[64] <= 16'b1111111110011101; Y_AC[65] <= 16'b1111111110011110; Y_AC[66] <= 16'b1111111110011111; Y_AC[67] <= 16'b1111111110100000; Y_AC[68] <= 16'b1111111110100001; Y_AC[69] <= 16'b1111111110100010; Y_AC[70] <= 16'b1111111110100011; Y_AC[71] <= 16'b1111111110100100; Y_AC[72] <= 16'b1111111110100101; Y_AC[73] <= 16'b1111111110100110; Y_AC[74] <= 16'b1111111110100111; Y_AC[75] <= 16'b1111111110101000; Y_AC[76] <= 16'b1111111110101001; Y_AC[77] <= 16'b1111111110101010; Y_AC[78] <= 16'b1111111110101011; Y_AC[79] <= 16'b1111111110101100; Y_AC[80] <= 16'b1111111110101101; Y_AC[81] <= 16'b1111111110101110; Y_AC[82] <= 16'b1111111110101111; Y_AC[83] <= 16'b1111111110110000; Y_AC[84] <= 16'b1111111110110001; Y_AC[85] <= 16'b1111111110110010; Y_AC[86] <= 16'b1111111110110011; Y_AC[87] <= 16'b1111111110110100; Y_AC[88] <= 16'b1111111110110101; Y_AC[89] <= 16'b1111111110110110; Y_AC[90] <= 16'b1111111110110111; Y_AC[91] <= 16'b1111111110111000; Y_AC[92] <= 16'b1111111110111001; Y_AC[93] <= 16'b1111111110111010; Y_AC[94] <= 16'b1111111110111011; Y_AC[95] <= 16'b1111111110111100; Y_AC[96] <= 16'b1111111110111101; Y_AC[97] <= 16'b1111111110111110; Y_AC[98] <= 16'b1111111110111111; Y_AC[99] <= 16'b1111111111000000; Y_AC[100] <= 16'b1111111111000001; Y_AC[101] <= 16'b1111111111000010; Y_AC[102] <= 16'b1111111111000011; Y_AC[103] <= 16'b1111111111000100; Y_AC[104] <= 16'b1111111111000101; Y_AC[105] <= 16'b1111111111000110; Y_AC[106] <= 16'b1111111111000111; Y_AC[107] <= 16'b1111111111001000; Y_AC[108] <= 16'b1111111111001001; Y_AC[109] <= 16'b1111111111001010; Y_AC[110] <= 16'b1111111111001011; Y_AC[111] <= 16'b1111111111001100; Y_AC[112] <= 16'b1111111111001101; Y_AC[113] <= 16'b1111111111001110; Y_AC[114] <= 16'b1111111111001111; Y_AC[115] <= 16'b1111111111010000; Y_AC[116] <= 16'b1111111111010001; Y_AC[117] <= 16'b1111111111010010; Y_AC[118] <= 16'b1111111111010011; Y_AC[119] <= 16'b1111111111010100; Y_AC[120] <= 16'b1111111111010101; Y_AC[121] <= 16'b1111111111010110; Y_AC[122] <= 16'b1111111111010111; Y_AC[123] <= 16'b1111111111011000; Y_AC[124] <= 16'b1111111111011001; Y_AC[125] <= 16'b1111111111011010; Y_AC[126] <= 16'b1111111111011011; Y_AC[127] <= 16'b1111111111011100; Y_AC[128] <= 16'b1111111111011101; Y_AC[129] <= 16'b1111111111011110; Y_AC[130] <= 16'b1111111111011111; Y_AC[131] <= 16'b1111111111100000; Y_AC[132] <= 16'b1111111111100001; Y_AC[133] <= 16'b1111111111100010; Y_AC[134] <= 16'b1111111111100011; Y_AC[135] <= 16'b1111111111100100; Y_AC[136] <= 16'b1111111111100101; Y_AC[137] <= 16'b1111111111100110; Y_AC[138] <= 16'b1111111111100111; Y_AC[139] <= 16'b1111111111101000; Y_AC[140] <= 16'b1111111111101001; Y_AC[141] <= 16'b1111111111101010; Y_AC[142] <= 16'b1111111111101011; Y_AC[143] <= 16'b1111111111101100; Y_AC[144] <= 16'b1111111111101101; Y_AC[145] <= 16'b1111111111101110; Y_AC[146] <= 16'b1111111111101111; Y_AC[147] <= 16'b1111111111110000; Y_AC[148] <= 16'b1111111111110001; Y_AC[149] <= 16'b1111111111110010; Y_AC[150] <= 16'b1111111111110011; Y_AC[151] <= 16'b1111111111110100; Y_AC[152] <= 16'b1111111111110101; Y_AC[153] <= 16'b1111111111110110; Y_AC[154] <= 16'b1111111111110111; Y_AC[155] <= 16'b1111111111111000; Y_AC[156] <= 16'b1111111111111001; Y_AC[157] <= 16'b1111111111111010; Y_AC[158] <= 16'b1111111111111011; Y_AC[159] <= 16'b1111111111111100; Y_AC[160] <= 16'b1111111111111101; Y_AC[161] <= 16'b1111111111111110; Y_AC_run_code[1] <= 0; Y_AC_run_code[2] <= 1; Y_AC_run_code[3] <= 2; Y_AC_run_code[0] <= 3; Y_AC_run_code[4] <= 4; Y_AC_run_code[17] <= 5; Y_AC_run_code[5] <= 6; Y_AC_run_code[18] <= 7; Y_AC_run_code[33] <= 8; Y_AC_run_code[49] <= 9; Y_AC_run_code[65] <= 10; Y_AC_run_code[6] <= 11; Y_AC_run_code[19] <= 12; Y_AC_run_code[81] <= 13; Y_AC_run_code[97] <= 14; Y_AC_run_code[7] <= 15; Y_AC_run_code[34] <= 16; Y_AC_run_code[113] <= 17; Y_AC_run_code[20] <= 18; Y_AC_run_code[50] <= 19; Y_AC_run_code[129] <= 20; Y_AC_run_code[145] <= 21; Y_AC_run_code[161] <= 22; Y_AC_run_code[8] <= 23; Y_AC_run_code[35] <= 24; Y_AC_run_code[66] <= 25; Y_AC_run_code[177] <= 26; Y_AC_run_code[193] <= 27; Y_AC_run_code[21] <= 28; Y_AC_run_code[82] <= 29; Y_AC_run_code[209] <= 30; Y_AC_run_code[240] <= 31; Y_AC_run_code[36] <= 32; Y_AC_run_code[51] <= 33; Y_AC_run_code[98] <= 34; Y_AC_run_code[114] <= 35; Y_AC_run_code[130] <= 36; Y_AC_run_code[9] <= 37; Y_AC_run_code[10] <= 38; Y_AC_run_code[22] <= 39; Y_AC_run_code[23] <= 40; Y_AC_run_code[24] <= 41; Y_AC_run_code[25] <= 42; Y_AC_run_code[26] <= 43; Y_AC_run_code[37] <= 44; Y_AC_run_code[38] <= 45; Y_AC_run_code[39] <= 46; Y_AC_run_code[40] <= 47; Y_AC_run_code[41] <= 48; Y_AC_run_code[42] <= 49; Y_AC_run_code[52] <= 50; Y_AC_run_code[53] <= 51; Y_AC_run_code[54] <= 52; Y_AC_run_code[55] <= 53; Y_AC_run_code[56] <= 54; Y_AC_run_code[57] <= 55; Y_AC_run_code[58] <= 56; Y_AC_run_code[67] <= 57; Y_AC_run_code[68] <= 58; Y_AC_run_code[69] <= 59; Y_AC_run_code[70] <= 60; Y_AC_run_code[71] <= 61; Y_AC_run_code[72] <= 62; Y_AC_run_code[73] <= 63; Y_AC_run_code[74] <= 64; Y_AC_run_code[83] <= 65; Y_AC_run_code[84] <= 66; Y_AC_run_code[85] <= 67; Y_AC_run_code[86] <= 68; Y_AC_run_code[87] <= 69; Y_AC_run_code[88] <= 70; Y_AC_run_code[89] <= 71; Y_AC_run_code[90] <= 72; Y_AC_run_code[99] <= 73; Y_AC_run_code[100] <= 74; Y_AC_run_code[101] <= 75; Y_AC_run_code[102] <= 76; Y_AC_run_code[103] <= 77; Y_AC_run_code[104] <= 78; Y_AC_run_code[105] <= 79; Y_AC_run_code[106] <= 80; Y_AC_run_code[115] <= 81; Y_AC_run_code[116] <= 82; Y_AC_run_code[117] <= 83; Y_AC_run_code[118] <= 84; Y_AC_run_code[119] <= 85; Y_AC_run_code[120] <= 86; Y_AC_run_code[121] <= 87; Y_AC_run_code[122] <= 88; Y_AC_run_code[131] <= 89; Y_AC_run_code[132] <= 90; Y_AC_run_code[133] <= 91; Y_AC_run_code[134] <= 92; Y_AC_run_code[135] <= 93; Y_AC_run_code[136] <= 94; Y_AC_run_code[137] <= 95; Y_AC_run_code[138] <= 96; Y_AC_run_code[146] <= 97; Y_AC_run_code[147] <= 98; Y_AC_run_code[148] <= 99; Y_AC_run_code[149] <= 100; Y_AC_run_code[150] <= 101; Y_AC_run_code[151] <= 102; Y_AC_run_code[152] <= 103; Y_AC_run_code[153] <= 104; Y_AC_run_code[154] <= 105; Y_AC_run_code[162] <= 106; Y_AC_run_code[163] <= 107; Y_AC_run_code[164] <= 108; Y_AC_run_code[165] <= 109; Y_AC_run_code[166] <= 110; Y_AC_run_code[167] <= 111; Y_AC_run_code[168] <= 112; Y_AC_run_code[169] <= 113; Y_AC_run_code[170] <= 114; Y_AC_run_code[178] <= 115; Y_AC_run_code[179] <= 116; Y_AC_run_code[180] <= 117; Y_AC_run_code[181] <= 118; Y_AC_run_code[182] <= 119; Y_AC_run_code[183] <= 120; Y_AC_run_code[184] <= 121; Y_AC_run_code[185] <= 122; Y_AC_run_code[186] <= 123; Y_AC_run_code[194] <= 124; Y_AC_run_code[195] <= 125; Y_AC_run_code[196] <= 126; Y_AC_run_code[197] <= 127; Y_AC_run_code[198] <= 128; Y_AC_run_code[199] <= 129; Y_AC_run_code[200] <= 130; Y_AC_run_code[201] <= 131; Y_AC_run_code[202] <= 132; Y_AC_run_code[210] <= 133; Y_AC_run_code[211] <= 134; Y_AC_run_code[212] <= 135; Y_AC_run_code[213] <= 136; Y_AC_run_code[214] <= 137; Y_AC_run_code[215] <= 138; Y_AC_run_code[216] <= 139; Y_AC_run_code[217] <= 140; Y_AC_run_code[218] <= 141; Y_AC_run_code[225] <= 142; Y_AC_run_code[226] <= 143; Y_AC_run_code[227] <= 144; Y_AC_run_code[228] <= 145; Y_AC_run_code[229] <= 146; Y_AC_run_code[230] <= 147; Y_AC_run_code[231] <= 148; Y_AC_run_code[232] <= 149; Y_AC_run_code[233] <= 150; Y_AC_run_code[234] <= 151; Y_AC_run_code[241] <= 152; Y_AC_run_code[242] <= 153; Y_AC_run_code[243] <= 154; Y_AC_run_code[244] <= 155; Y_AC_run_code[245] <= 156; Y_AC_run_code[246] <= 157; Y_AC_run_code[247] <= 158; Y_AC_run_code[248] <= 159; Y_AC_run_code[249] <= 160; Y_AC_run_code[250] <= 161; Y_AC_run_code[16] <= 0; Y_AC_run_code[32] <= 0; Y_AC_run_code[48] <= 0; Y_AC_run_code[64] <= 0; Y_AC_run_code[80] <= 0; Y_AC_run_code[96] <= 0; Y_AC_run_code[112] <= 0; Y_AC_run_code[128] <= 0; Y_AC_run_code[144] <= 0; Y_AC_run_code[160] <= 0; Y_AC_run_code[176] <= 0; Y_AC_run_code[192] <= 0; Y_AC_run_code[208] <= 0; Y_AC_run_code[224] <= 0; end always @(posedge clk) begin if (rst) JPEG_bitstream[31] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[31] <= JPEG_bs_5[31]; else if (enable_module && orc_8 == 0) JPEG_bitstream[31] <= JPEG_bs_5[31]; end always @(posedge clk) begin if (rst) JPEG_bitstream[30] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[30] <= JPEG_bs_5[30]; else if (enable_module && orc_8 <= 1) JPEG_bitstream[30] <= JPEG_bs_5[30]; end always @(posedge clk) begin if (rst) JPEG_bitstream[29] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[29] <= JPEG_bs_5[29]; else if (enable_module && orc_8 <= 2) JPEG_bitstream[29] <= JPEG_bs_5[29]; end always @(posedge clk) begin if (rst) JPEG_bitstream[28] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[28] <= JPEG_bs_5[28]; else if (enable_module && orc_8 <= 3) JPEG_bitstream[28] <= JPEG_bs_5[28]; end always @(posedge clk) begin if (rst) JPEG_bitstream[27] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[27] <= JPEG_bs_5[27]; else if (enable_module && orc_8 <= 4) JPEG_bitstream[27] <= JPEG_bs_5[27]; end always @(posedge clk) begin if (rst) JPEG_bitstream[26] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[26] <= JPEG_bs_5[26]; else if (enable_module && orc_8 <= 5) JPEG_bitstream[26] <= JPEG_bs_5[26]; end always @(posedge clk) begin if (rst) JPEG_bitstream[25] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[25] <= JPEG_bs_5[25]; else if (enable_module && orc_8 <= 6) JPEG_bitstream[25] <= JPEG_bs_5[25]; end always @(posedge clk) begin if (rst) JPEG_bitstream[24] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[24] <= JPEG_bs_5[24]; else if (enable_module && orc_8 <= 7) JPEG_bitstream[24] <= JPEG_bs_5[24]; end always @(posedge clk) begin if (rst) JPEG_bitstream[23] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[23] <= JPEG_bs_5[23]; else if (enable_module && orc_8 <= 8) JPEG_bitstream[23] <= JPEG_bs_5[23]; end always @(posedge clk) begin if (rst) JPEG_bitstream[22] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[22] <= JPEG_bs_5[22]; else if (enable_module && orc_8 <= 9) JPEG_bitstream[22] <= JPEG_bs_5[22]; end always @(posedge clk) begin if (rst) JPEG_bitstream[21] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[21] <= JPEG_bs_5[21]; else if (enable_module && orc_8 <= 10) JPEG_bitstream[21] <= JPEG_bs_5[21]; end always @(posedge clk) begin if (rst) JPEG_bitstream[20] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[20] <= JPEG_bs_5[20]; else if (enable_module && orc_8 <= 11) JPEG_bitstream[20] <= JPEG_bs_5[20]; end always @(posedge clk) begin if (rst) JPEG_bitstream[19] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[19] <= JPEG_bs_5[19]; else if (enable_module && orc_8 <= 12) JPEG_bitstream[19] <= JPEG_bs_5[19]; end always @(posedge clk) begin if (rst) JPEG_bitstream[18] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[18] <= JPEG_bs_5[18]; else if (enable_module && orc_8 <= 13) JPEG_bitstream[18] <= JPEG_bs_5[18]; end always @(posedge clk) begin if (rst) JPEG_bitstream[17] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[17] <= JPEG_bs_5[17]; else if (enable_module && orc_8 <= 14) JPEG_bitstream[17] <= JPEG_bs_5[17]; end always @(posedge clk) begin if (rst) JPEG_bitstream[16] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[16] <= JPEG_bs_5[16]; else if (enable_module && orc_8 <= 15) JPEG_bitstream[16] <= JPEG_bs_5[16]; end always @(posedge clk) begin if (rst) JPEG_bitstream[15] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[15] <= JPEG_bs_5[15]; else if (enable_module && orc_8 <= 16) JPEG_bitstream[15] <= JPEG_bs_5[15]; end always @(posedge clk) begin if (rst) JPEG_bitstream[14] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[14] <= JPEG_bs_5[14]; else if (enable_module && orc_8 <= 17) JPEG_bitstream[14] <= JPEG_bs_5[14]; end always @(posedge clk) begin if (rst) JPEG_bitstream[13] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[13] <= JPEG_bs_5[13]; else if (enable_module && orc_8 <= 18) JPEG_bitstream[13] <= JPEG_bs_5[13]; end always @(posedge clk) begin if (rst) JPEG_bitstream[12] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[12] <= JPEG_bs_5[12]; else if (enable_module && orc_8 <= 19) JPEG_bitstream[12] <= JPEG_bs_5[12]; end always @(posedge clk) begin if (rst) JPEG_bitstream[11] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[11] <= JPEG_bs_5[11]; else if (enable_module && orc_8 <= 20) JPEG_bitstream[11] <= JPEG_bs_5[11]; end always @(posedge clk) begin if (rst) JPEG_bitstream[10] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[10] <= JPEG_bs_5[10]; else if (enable_module && orc_8 <= 21) JPEG_bitstream[10] <= JPEG_bs_5[10]; end always @(posedge clk) begin if (rst) JPEG_bitstream[9] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[9] <= JPEG_bs_5[9]; else if (enable_module && orc_8 <= 22) JPEG_bitstream[9] <= JPEG_bs_5[9]; end always @(posedge clk) begin if (rst) JPEG_bitstream[8] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[8] <= JPEG_bs_5[8]; else if (enable_module && orc_8 <= 23) JPEG_bitstream[8] <= JPEG_bs_5[8]; end always @(posedge clk) begin if (rst) JPEG_bitstream[7] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[7] <= JPEG_bs_5[7]; else if (enable_module && orc_8 <= 24) JPEG_bitstream[7] <= JPEG_bs_5[7]; end always @(posedge clk) begin if (rst) JPEG_bitstream[6] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[6] <= JPEG_bs_5[6]; else if (enable_module && orc_8 <= 25) JPEG_bitstream[6] <= JPEG_bs_5[6]; end always @(posedge clk) begin if (rst) JPEG_bitstream[5] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[5] <= JPEG_bs_5[5]; else if (enable_module && orc_8 <= 26) JPEG_bitstream[5] <= JPEG_bs_5[5]; end always @(posedge clk) begin if (rst) JPEG_bitstream[4] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[4] <= JPEG_bs_5[4]; else if (enable_module && orc_8 <= 27) JPEG_bitstream[4] <= JPEG_bs_5[4]; end always @(posedge clk) begin if (rst) JPEG_bitstream[3] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[3] <= JPEG_bs_5[3]; else if (enable_module && orc_8 <= 28) JPEG_bitstream[3] <= JPEG_bs_5[3]; end always @(posedge clk) begin if (rst) JPEG_bitstream[2] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[2] <= JPEG_bs_5[2]; else if (enable_module && orc_8 <= 29) JPEG_bitstream[2] <= JPEG_bs_5[2]; end always @(posedge clk) begin if (rst) JPEG_bitstream[1] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[1] <= JPEG_bs_5[1]; else if (enable_module && orc_8 <= 30) JPEG_bitstream[1] <= JPEG_bs_5[1]; end always @(posedge clk) begin if (rst) JPEG_bitstream[0] <= 0; else if (enable_module && rollover_7) JPEG_bitstream[0] <= JPEG_bs_5[0]; else if (enable_module && orc_8 <= 31) JPEG_bitstream[0] <= JPEG_bs_5[0]; end endmodule
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